Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/net/mac80211/Kconfig b/net/mac80211/Kconfig
index 76e30f4..0c93b1b 100644
--- a/net/mac80211/Kconfig
+++ b/net/mac80211/Kconfig
@@ -1,8 +1,9 @@
+# SPDX-License-Identifier: GPL-2.0-only
config MAC80211
tristate "Generic IEEE 802.11 Networking Stack (mac80211)"
depends on CFG80211
select CRYPTO
- select CRYPTO_ARC4
+ select CRYPTO_LIB_ARC4
select CRYPTO_AES
select CRYPTO_CCM
select CRYPTO_GCM
@@ -27,20 +28,6 @@
---help---
This option enables the 'minstrel' TX rate control algorithm
-config MAC80211_RC_MINSTREL_HT
- bool "Minstrel 802.11n support" if EXPERT
- depends on MAC80211_RC_MINSTREL
- default y
- ---help---
- This option enables the 'minstrel_ht' TX rate control algorithm
-
-config MAC80211_RC_MINSTREL_VHT
- bool "Minstrel 802.11ac support" if EXPERT
- depends on MAC80211_RC_MINSTREL_HT
- default n
- ---help---
- This option enables VHT in the 'minstrel_ht' TX rate control algorithm
-
choice
prompt "Default rate control algorithm"
depends on MAC80211_HAS_RC
@@ -62,8 +49,7 @@
config MAC80211_RC_DEFAULT
string
- default "minstrel_ht" if MAC80211_RC_DEFAULT_MINSTREL && MAC80211_RC_MINSTREL_HT
- default "minstrel" if MAC80211_RC_DEFAULT_MINSTREL
+ default "minstrel_ht" if MAC80211_RC_DEFAULT_MINSTREL
default ""
endif
@@ -72,14 +58,13 @@
depends on MAC80211 && MAC80211_HAS_RC=n
config MAC80211_MESH
- bool "Enable mac80211 mesh networking (pre-802.11s) support"
+ bool "Enable mac80211 mesh networking support"
depends on MAC80211
---help---
- This options enables support of Draft 802.11s mesh networking.
- The implementation is based on Draft 2.08 of the Mesh Networking
- amendment. However, no compliance with that draft is claimed or even
- possible, as drafts leave a number of identifiers to be defined after
- ratification. For more information visit http://o11s.org/.
+ Select this option to enable 802.11 mesh operation in mac80211
+ drivers that support it. 802.11 mesh connects multiple stations
+ over (possibly multi-hop) wireless links to form a single logical
+ LAN.
config MAC80211_LEDS
bool "Enable LED triggers"
diff --git a/net/mac80211/Makefile b/net/mac80211/Makefile
index bb70778..4f03ebe 100644
--- a/net/mac80211/Makefile
+++ b/net/mac80211/Makefile
@@ -53,13 +53,14 @@
CFLAGS_trace.o := -I$(src)
-rc80211_minstrel-y := rc80211_minstrel.o
-rc80211_minstrel-$(CONFIG_MAC80211_DEBUGFS) += rc80211_minstrel_debugfs.o
+rc80211_minstrel-y := \
+ rc80211_minstrel.o \
+ rc80211_minstrel_ht.o
-rc80211_minstrel_ht-y := rc80211_minstrel_ht.o
-rc80211_minstrel_ht-$(CONFIG_MAC80211_DEBUGFS) += rc80211_minstrel_ht_debugfs.o
+rc80211_minstrel-$(CONFIG_MAC80211_DEBUGFS) += \
+ rc80211_minstrel_debugfs.o \
+ rc80211_minstrel_ht_debugfs.o
mac80211-$(CONFIG_MAC80211_RC_MINSTREL) += $(rc80211_minstrel-y)
-mac80211-$(CONFIG_MAC80211_RC_MINSTREL_HT) += $(rc80211_minstrel_ht-y)
ccflags-y += -DDEBUG
diff --git a/net/mac80211/aead_api.c b/net/mac80211/aead_api.c
index 160f9df..c5fe95e 100644
--- a/net/mac80211/aead_api.c
+++ b/net/mac80211/aead_api.c
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2003-2004, Instant802 Networks, Inc.
* Copyright 2005-2006, Devicescape Software, Inc.
* Copyright 2014-2015, Qualcomm Atheros, Inc.
*
* Rewrite: Copyright (C) 2013 Linaro Ltd <ard.biesheuvel@linaro.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/kernel.h>
diff --git a/net/mac80211/aead_api.h b/net/mac80211/aead_api.h
index 5e39ea8..7d463b8 100644
--- a/net/mac80211/aead_api.h
+++ b/net/mac80211/aead_api.h
@@ -1,8 +1,4 @@
-/*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef _AEAD_API_H
#define _AEAD_API_H
diff --git a/net/mac80211/aes_ccm.h b/net/mac80211/aes_ccm.h
index e9b7ca0..9625619 100644
--- a/net/mac80211/aes_ccm.h
+++ b/net/mac80211/aes_ccm.h
@@ -1,10 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright 2003-2004, Instant802 Networks, Inc.
* Copyright 2006, Devicescape Software, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef AES_CCM_H
diff --git a/net/mac80211/aes_cmac.c b/net/mac80211/aes_cmac.c
index 2fb6558..57748ca 100644
--- a/net/mac80211/aes_cmac.c
+++ b/net/mac80211/aes_cmac.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* AES-128-CMAC with TLen 16 for IEEE 802.11w BIP
* Copyright 2008, Jouni Malinen <j@w1.fi>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/kernel.h>
diff --git a/net/mac80211/aes_cmac.h b/net/mac80211/aes_cmac.h
index fef531f..7681744 100644
--- a/net/mac80211/aes_cmac.h
+++ b/net/mac80211/aes_cmac.h
@@ -1,9 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright 2008, Jouni Malinen <j@w1.fi>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef AES_CMAC_H
diff --git a/net/mac80211/aes_gcm.h b/net/mac80211/aes_gcm.h
index d2b0960..b14093b 100644
--- a/net/mac80211/aes_gcm.h
+++ b/net/mac80211/aes_gcm.h
@@ -1,9 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright 2014-2015, Qualcomm Atheros, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef AES_GCM_H
diff --git a/net/mac80211/aes_gmac.c b/net/mac80211/aes_gmac.c
index bd72a86..363ad1c 100644
--- a/net/mac80211/aes_gmac.c
+++ b/net/mac80211/aes_gmac.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* AES-GMAC for IEEE 802.11 BIP-GMAC-128 and BIP-GMAC-256
* Copyright 2015, Qualcomm Atheros, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/kernel.h>
diff --git a/net/mac80211/aes_gmac.h b/net/mac80211/aes_gmac.h
index 32e6442..c739356 100644
--- a/net/mac80211/aes_gmac.h
+++ b/net/mac80211/aes_gmac.h
@@ -1,9 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright 2015, Qualcomm Atheros, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef AES_GMAC_H
diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c
index 6a4f154..4d1c335 100644
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* HT handling
*
@@ -9,10 +10,6 @@
* Copyright 2007-2010, Intel Corporation
* Copyright(c) 2015-2017 Intel Deutschland GmbH
* Copyright (C) 2018 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
/**
@@ -181,17 +178,54 @@
rcu_read_unlock();
}
-static void ieee80211_send_addba_resp(struct ieee80211_sub_if_data *sdata, u8 *da, u16 tid,
- u8 dialog_token, u16 status, u16 policy,
- u16 buf_size, u16 timeout)
+static void ieee80211_add_addbaext(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb,
+ const struct ieee80211_addba_ext_ie *req)
{
+ struct ieee80211_supported_band *sband;
+ struct ieee80211_addba_ext_ie *resp;
+ const struct ieee80211_sta_he_cap *he_cap;
+ u8 frag_level, cap_frag_level;
+ u8 *pos;
+
+ sband = ieee80211_get_sband(sdata);
+ if (!sband)
+ return;
+ he_cap = ieee80211_get_he_iftype_cap(sband, sdata->vif.type);
+ if (!he_cap)
+ return;
+
+ pos = skb_put_zero(skb, 2 + sizeof(struct ieee80211_addba_ext_ie));
+ *pos++ = WLAN_EID_ADDBA_EXT;
+ *pos++ = sizeof(struct ieee80211_addba_ext_ie);
+ resp = (struct ieee80211_addba_ext_ie *)pos;
+ resp->data = req->data & IEEE80211_ADDBA_EXT_NO_FRAG;
+
+ frag_level = u32_get_bits(req->data,
+ IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK);
+ cap_frag_level = u32_get_bits(he_cap->he_cap_elem.mac_cap_info[0],
+ IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK);
+ if (frag_level > cap_frag_level)
+ frag_level = cap_frag_level;
+ resp->data |= u8_encode_bits(frag_level,
+ IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK);
+}
+
+static void ieee80211_send_addba_resp(struct sta_info *sta, u8 *da, u16 tid,
+ u8 dialog_token, u16 status, u16 policy,
+ u16 buf_size, u16 timeout,
+ const struct ieee80211_addba_ext_ie *addbaext)
+{
+ struct ieee80211_sub_if_data *sdata = sta->sdata;
struct ieee80211_local *local = sdata->local;
struct sk_buff *skb;
struct ieee80211_mgmt *mgmt;
bool amsdu = ieee80211_hw_check(&local->hw, SUPPORTS_AMSDU_IN_AMPDU);
u16 capab;
- skb = dev_alloc_skb(sizeof(*mgmt) + local->hw.extra_tx_headroom);
+ skb = dev_alloc_skb(sizeof(*mgmt) +
+ 2 + sizeof(struct ieee80211_addba_ext_ie) +
+ local->hw.extra_tx_headroom);
if (!skb)
return;
@@ -225,13 +259,17 @@
mgmt->u.action.u.addba_resp.timeout = cpu_to_le16(timeout);
mgmt->u.action.u.addba_resp.status = cpu_to_le16(status);
+ if (sta->sta.he_cap.has_he && addbaext)
+ ieee80211_add_addbaext(sdata, skb, addbaext);
+
ieee80211_tx_skb(sdata, skb);
}
void ___ieee80211_start_rx_ba_session(struct sta_info *sta,
u8 dialog_token, u16 timeout,
u16 start_seq_num, u16 ba_policy, u16 tid,
- u16 buf_size, bool tx, bool auto_seq)
+ u16 buf_size, bool tx, bool auto_seq,
+ const struct ieee80211_addba_ext_ie *addbaext)
{
struct ieee80211_local *local = sta->sdata->local;
struct tid_ampdu_rx *tid_agg_rx;
@@ -413,21 +451,22 @@
}
if (tx)
- ieee80211_send_addba_resp(sta->sdata, sta->sta.addr, tid,
+ ieee80211_send_addba_resp(sta, sta->sta.addr, tid,
dialog_token, status, 1, buf_size,
- timeout);
+ timeout, addbaext);
}
static void __ieee80211_start_rx_ba_session(struct sta_info *sta,
u8 dialog_token, u16 timeout,
u16 start_seq_num, u16 ba_policy,
u16 tid, u16 buf_size, bool tx,
- bool auto_seq)
+ bool auto_seq,
+ const struct ieee80211_addba_ext_ie *addbaext)
{
mutex_lock(&sta->ampdu_mlme.mtx);
___ieee80211_start_rx_ba_session(sta, dialog_token, timeout,
start_seq_num, ba_policy, tid,
- buf_size, tx, auto_seq);
+ buf_size, tx, auto_seq, addbaext);
mutex_unlock(&sta->ampdu_mlme.mtx);
}
@@ -437,7 +476,9 @@
size_t len)
{
u16 capab, tid, timeout, ba_policy, buf_size, start_seq_num;
+ struct ieee802_11_elems elems = { 0 };
u8 dialog_token;
+ int ies_len;
/* extract session parameters from addba request frame */
dialog_token = mgmt->u.action.u.addba_req.dialog_token;
@@ -450,9 +491,19 @@
tid = (capab & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2;
buf_size = (capab & IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK) >> 6;
+ ies_len = len - offsetof(struct ieee80211_mgmt,
+ u.action.u.addba_req.variable);
+ if (ies_len) {
+ ieee802_11_parse_elems(mgmt->u.action.u.addba_req.variable,
+ ies_len, true, &elems, mgmt->bssid, NULL);
+ if (elems.parse_error)
+ return;
+ }
+
__ieee80211_start_rx_ba_session(sta, dialog_token, timeout,
start_seq_num, ba_policy, tid,
- buf_size, true, false);
+ buf_size, true, false,
+ elems.addba_ext_ie);
}
void ieee80211_manage_rx_ba_offl(struct ieee80211_vif *vif,
diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index 69e831b..b11883d 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* HT handling
*
@@ -8,11 +9,7 @@
* Copyright 2007, Michael Wu <flamingice@sourmilk.net>
* Copyright 2007-2010, Intel Corporation
* Copyright(c) 2015-2017 Intel Deutschland GmbH
- * Copyright (C) 2018 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
+ * Copyright (C) 2018 - 2019 Intel Corporation
*/
#include <linux/ieee80211.h>
@@ -229,7 +226,7 @@
clear_bit(IEEE80211_TXQ_STOP, &txqi->flags);
local_bh_disable();
rcu_read_lock();
- drv_wake_tx_queue(sta->sdata->local, txqi);
+ schedule_and_wake_txq(sta->sdata->local, txqi);
rcu_read_unlock();
local_bh_enable();
}
@@ -366,6 +363,8 @@
set_bit(HT_AGG_STATE_STOPPING, &tid_tx->state);
+ ieee80211_agg_stop_txq(sta, tid);
+
spin_unlock_bh(&sta->lock);
ht_dbg(sta->sdata, "Tx BA session stop requested for %pM tid %u\n",
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 5d22eda..70739e7 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1,12 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* mac80211 configuration hooks for cfg80211
*
* Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2015 Intel Mobile Communications GmbH
* Copyright (C) 2015-2017 Intel Deutschland GmbH
+ * Copyright (C) 2018-2019 Intel Corporation
* Copyright (C) 2018 Intel Corporation
- *
- * This file is GPLv2 as found in COPYING.
*/
#include <linux/ieee80211.h>
@@ -15,6 +15,7 @@
#include <linux/slab.h>
#include <net/net_namespace.h>
#include <linux/rcupdate.h>
+#include <linux/fips.h>
#include <linux/if_ether.h>
#include <net/cfg80211.h>
#include "ieee80211_i.h"
@@ -158,12 +159,10 @@
if (ret)
return ret;
- if (type == NL80211_IFTYPE_AP_VLAN &&
- params && params->use_4addr == 0) {
+ if (type == NL80211_IFTYPE_AP_VLAN && params->use_4addr == 0) {
RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
ieee80211_check_fast_rx_iface(sdata);
- } else if (type == NL80211_IFTYPE_STATION &&
- params && params->use_4addr >= 0) {
+ } else if (type == NL80211_IFTYPE_STATION && params->use_4addr >= 0) {
sdata->u.mgd.use_4addr = params->use_4addr;
}
@@ -353,6 +352,36 @@
return 0;
}
+static int ieee80211_set_tx(struct ieee80211_sub_if_data *sdata,
+ const u8 *mac_addr, u8 key_idx)
+{
+ struct ieee80211_local *local = sdata->local;
+ struct ieee80211_key *key;
+ struct sta_info *sta;
+ int ret = -EINVAL;
+
+ if (!wiphy_ext_feature_isset(local->hw.wiphy,
+ NL80211_EXT_FEATURE_EXT_KEY_ID))
+ return -EINVAL;
+
+ sta = sta_info_get_bss(sdata, mac_addr);
+
+ if (!sta)
+ return -EINVAL;
+
+ if (sta->ptk_idx == key_idx)
+ return 0;
+
+ mutex_lock(&local->key_mtx);
+ key = key_mtx_dereference(local, sta->ptk[key_idx]);
+
+ if (key && key->conf.flags & IEEE80211_KEY_FLAG_NO_AUTO_TX)
+ ret = ieee80211_set_tx_key(key);
+
+ mutex_unlock(&local->key_mtx);
+ return ret;
+}
+
static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
u8 key_idx, bool pairwise, const u8 *mac_addr,
struct key_params *params)
@@ -367,14 +396,16 @@
if (!ieee80211_sdata_running(sdata))
return -ENETDOWN;
+ if (pairwise && params->mode == NL80211_KEY_SET_TX)
+ return ieee80211_set_tx(sdata, mac_addr, key_idx);
+
/* reject WEP and TKIP keys if WEP failed to initialize */
switch (params->cipher) {
case WLAN_CIPHER_SUITE_WEP40:
case WLAN_CIPHER_SUITE_TKIP:
case WLAN_CIPHER_SUITE_WEP104:
- if (IS_ERR(local->wep_tx_tfm))
+ if (WARN_ON_ONCE(fips_enabled))
return -EINVAL;
- break;
case WLAN_CIPHER_SUITE_CCMP:
case WLAN_CIPHER_SUITE_CCMP_256:
case WLAN_CIPHER_SUITE_AES_CMAC:
@@ -398,6 +429,9 @@
if (pairwise)
key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
+ if (params->mode == NL80211_KEY_NO_TX)
+ key->conf.flags |= IEEE80211_KEY_FLAG_NO_AUTO_TX;
+
mutex_lock(&local->sta_mtx);
if (mac_addr) {
@@ -792,6 +826,48 @@
return 0;
}
+static int ieee80211_set_ftm_responder_params(
+ struct ieee80211_sub_if_data *sdata,
+ const u8 *lci, size_t lci_len,
+ const u8 *civicloc, size_t civicloc_len)
+{
+ struct ieee80211_ftm_responder_params *new, *old;
+ struct ieee80211_bss_conf *bss_conf;
+ u8 *pos;
+ int len;
+
+ if (!lci_len && !civicloc_len)
+ return 0;
+
+ bss_conf = &sdata->vif.bss_conf;
+ old = bss_conf->ftmr_params;
+ len = lci_len + civicloc_len;
+
+ new = kzalloc(sizeof(*new) + len, GFP_KERNEL);
+ if (!new)
+ return -ENOMEM;
+
+ pos = (u8 *)(new + 1);
+ if (lci_len) {
+ new->lci_len = lci_len;
+ new->lci = pos;
+ memcpy(pos, lci, lci_len);
+ pos += lci_len;
+ }
+
+ if (civicloc_len) {
+ new->civicloc_len = civicloc_len;
+ new->civicloc = pos;
+ memcpy(pos, civicloc, civicloc_len);
+ pos += civicloc_len;
+ }
+
+ bss_conf->ftmr_params = new;
+ kfree(old);
+
+ return 0;
+}
+
static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
struct cfg80211_beacon_data *params,
const struct ieee80211_csa_settings *csa)
@@ -860,11 +936,29 @@
err = ieee80211_set_probe_resp(sdata, params->probe_resp,
params->probe_resp_len, csa);
- if (err < 0)
+ if (err < 0) {
+ kfree(new);
return err;
+ }
if (err == 0)
changed |= BSS_CHANGED_AP_PROBE_RESP;
+ if (params->ftm_responder != -1) {
+ sdata->vif.bss_conf.ftm_responder = params->ftm_responder;
+ err = ieee80211_set_ftm_responder_params(sdata,
+ params->lci,
+ params->lci_len,
+ params->civicloc,
+ params->civicloc_len);
+
+ if (err < 0) {
+ kfree(new);
+ return err;
+ }
+
+ changed |= BSS_CHANGED_FTM_RESPONDER;
+ }
+
rcu_assign_pointer(sdata->u.ap.beacon, new);
if (old)
@@ -885,8 +979,11 @@
BSS_CHANGED_BEACON |
BSS_CHANGED_SSID |
BSS_CHANGED_P2P_PS |
- BSS_CHANGED_TXPOWER;
+ BSS_CHANGED_TXPOWER |
+ BSS_CHANGED_TWT |
+ BSS_CHANGED_HE_OBSS_PD;
int err;
+ int prev_beacon_int;
old = sdata_dereference(sdata->u.ap.beacon, sdata);
if (old)
@@ -909,16 +1006,22 @@
sdata->needed_rx_chains = sdata->local->rx_chains;
+ prev_beacon_int = sdata->vif.bss_conf.beacon_int;
sdata->vif.bss_conf.beacon_int = params->beacon_interval;
+ if (params->he_cap)
+ sdata->vif.bss_conf.he_support = true;
+
mutex_lock(&local->mtx);
err = ieee80211_vif_use_channel(sdata, ¶ms->chandef,
IEEE80211_CHANCTX_SHARED);
if (!err)
ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
mutex_unlock(&local->mtx);
- if (err)
+ if (err) {
+ sdata->vif.bss_conf.beacon_int = prev_beacon_int;
return err;
+ }
/*
* Apply control port protocol, this allows us to
@@ -948,6 +1051,9 @@
sdata->vif.bss_conf.dtim_period = params->dtim_period;
sdata->vif.bss_conf.enable_beacon = true;
sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p;
+ sdata->vif.bss_conf.twt_responder = params->twt_responder;
+ memcpy(&sdata->vif.bss_conf.he_obss_pd, ¶ms->he_obss_pd,
+ sizeof(struct ieee80211_he_obss_pd));
sdata->vif.bss_conf.ssid_len = params->ssid_len;
if (params->ssid_len)
@@ -1062,6 +1168,9 @@
kfree_rcu(old_probe_resp, rcu_head);
sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF;
+ kfree(sdata->vif.bss_conf.ftmr_params);
+ sdata->vif.bss_conf.ftmr_params = NULL;
+
__sta_info_flush(sdata, true);
ieee80211_free_keys(sdata, true);
@@ -1092,50 +1201,6 @@
return 0;
}
-/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
-struct iapp_layer2_update {
- u8 da[ETH_ALEN]; /* broadcast */
- u8 sa[ETH_ALEN]; /* STA addr */
- __be16 len; /* 6 */
- u8 dsap; /* 0 */
- u8 ssap; /* 0 */
- u8 control;
- u8 xid_info[3];
-} __packed;
-
-static void ieee80211_send_layer2_update(struct sta_info *sta)
-{
- struct iapp_layer2_update *msg;
- struct sk_buff *skb;
-
- /* Send Level 2 Update Frame to update forwarding tables in layer 2
- * bridge devices */
-
- skb = dev_alloc_skb(sizeof(*msg));
- if (!skb)
- return;
- msg = skb_put(skb, sizeof(*msg));
-
- /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
- * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
-
- eth_broadcast_addr(msg->da);
- memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
- msg->len = htons(6);
- msg->dsap = 0;
- msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
- msg->control = 0xaf; /* XID response lsb.1111F101.
- * F=0 (no poll command; unsolicited frame) */
- msg->xid_info[0] = 0x81; /* XID format identifier */
- msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
- msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
-
- skb->dev = sta->sdata->dev;
- skb->protocol = eth_type_trans(skb, sta->sdata->dev);
- memset(skb->cb, 0, sizeof(skb->cb));
- netif_rx_ni(skb);
-}
-
static int sta_apply_auth_flags(struct ieee80211_local *local,
struct sta_info *sta,
u32 mask, u32 set)
@@ -1215,6 +1280,11 @@
ieee80211_mps_sta_status_update(sta);
changed |= ieee80211_mps_set_sta_local_pm(sta,
sdata->u.mesh.mshcfg.power_mode);
+
+ ewma_mesh_tx_rate_avg_init(&sta->mesh->tx_rate_avg);
+ /* init at low value */
+ ewma_mesh_tx_rate_avg_add(&sta->mesh->tx_rate_avg, 10);
+
break;
case NL80211_PLINK_LISTEN:
case NL80211_PLINK_BLOCKED:
@@ -1396,7 +1466,16 @@
if (params->listen_interval >= 0)
sta->listen_interval = params->listen_interval;
- if (params->supported_rates) {
+ if (params->sta_modify_mask & STATION_PARAM_APPLY_STA_TXPOWER) {
+ sta->sta.txpwr.type = params->txpwr.type;
+ if (params->txpwr.type == NL80211_TX_POWER_LIMITED)
+ sta->sta.txpwr.power = params->txpwr.power;
+ ret = drv_sta_set_txpwr(local, sdata, sta);
+ if (ret)
+ return ret;
+ }
+
+ if (params->supported_rates && params->supported_rates_len) {
ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
sband, params->supported_rates,
params->supported_rates_len,
@@ -1431,6 +1510,9 @@
if (ieee80211_vif_is_mesh(&sdata->vif))
sta_apply_mesh_params(local, sta, params);
+ if (params->airtime_weight)
+ sta->airtime_weight = params->airtime_weight;
+
/* set the STA state after all sta info from usermode has been set */
if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
@@ -1450,7 +1532,6 @@
struct sta_info *sta;
struct ieee80211_sub_if_data *sdata;
int err;
- int layer2_update;
if (params->vlan) {
sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
@@ -1464,7 +1545,12 @@
if (ether_addr_equal(mac, sdata->vif.addr))
return -EINVAL;
- if (is_multicast_ether_addr(mac))
+ if (!is_valid_ether_addr(mac))
+ return -EINVAL;
+
+ if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER) &&
+ sdata->vif.type == NL80211_IFTYPE_STATION &&
+ !sdata->u.mgd.associated)
return -EINVAL;
sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
@@ -1489,18 +1575,12 @@
test_sta_flag(sta, WLAN_STA_ASSOC))
rate_control_rate_init(sta);
- layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
- sdata->vif.type == NL80211_IFTYPE_AP;
-
err = sta_info_insert_rcu(sta);
if (err) {
rcu_read_unlock();
return err;
}
- if (layer2_update)
- ieee80211_send_layer2_update(sta);
-
rcu_read_unlock();
return 0;
@@ -1598,10 +1678,11 @@
sta->sdata = vlansdata;
ieee80211_check_fast_xmit(sta);
- if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
+ if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) {
ieee80211_vif_inc_num_mcast(sta->sdata);
-
- ieee80211_send_layer2_update(sta);
+ cfg80211_send_layer2_update(sta->sdata->dev,
+ sta->sta.addr);
+ }
}
err = sta_apply_parameters(local, sta, params);
@@ -1726,7 +1807,9 @@
MPATH_INFO_EXPTIME |
MPATH_INFO_DISCOVERY_TIMEOUT |
MPATH_INFO_DISCOVERY_RETRIES |
- MPATH_INFO_FLAGS;
+ MPATH_INFO_FLAGS |
+ MPATH_INFO_HOP_COUNT |
+ MPATH_INFO_PATH_CHANGE;
pinfo->frame_qlen = mpath->frame_queue.qlen;
pinfo->sn = mpath->sn;
@@ -1746,6 +1829,8 @@
pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
if (mpath->flags & MESH_PATH_RESOLVED)
pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
+ pinfo->hop_count = mpath->hop_count;
+ pinfo->path_change_count = mpath->path_change_count;
}
static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
@@ -2012,6 +2097,9 @@
nconf->dot11MeshAwakeWindowDuration;
if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
conf->plink_timeout = nconf->plink_timeout;
+ if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_GATE, mask))
+ conf->dot11MeshConnectedToMeshGate =
+ nconf->dot11MeshConnectedToMeshGate;
ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
return 0;
}
@@ -2875,7 +2963,7 @@
len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
beacon->proberesp_ies_len + beacon->assocresp_ies_len +
- beacon->probe_resp_len;
+ beacon->probe_resp_len + beacon->lci_len + beacon->civicloc_len;
new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
if (!new_beacon)
@@ -2919,6 +3007,21 @@
pos += beacon->probe_resp_len;
}
+ /* might copy -1, meaning no changes requested */
+ new_beacon->ftm_responder = beacon->ftm_responder;
+ if (beacon->lci) {
+ new_beacon->lci_len = beacon->lci_len;
+ new_beacon->lci = pos;
+ memcpy(pos, beacon->lci, beacon->lci_len);
+ pos += beacon->lci_len;
+ }
+ if (beacon->civicloc) {
+ new_beacon->civicloc_len = beacon->civicloc_len;
+ new_beacon->civicloc = pos;
+ memcpy(pos, beacon->civicloc, beacon->civicloc_len);
+ pos += beacon->civicloc_len;
+ }
+
return new_beacon;
}
@@ -3808,6 +3911,37 @@
return ret;
}
+static int
+ieee80211_get_ftm_responder_stats(struct wiphy *wiphy,
+ struct net_device *dev,
+ struct cfg80211_ftm_responder_stats *ftm_stats)
+{
+ struct ieee80211_local *local = wiphy_priv(wiphy);
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+ return drv_get_ftm_responder_stats(local, sdata, ftm_stats);
+}
+
+static int
+ieee80211_start_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
+ struct cfg80211_pmsr_request *request)
+{
+ struct ieee80211_local *local = wiphy_priv(wiphy);
+ struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
+
+ return drv_start_pmsr(local, sdata, request);
+}
+
+static void
+ieee80211_abort_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
+ struct cfg80211_pmsr_request *request)
+{
+ struct ieee80211_local *local = wiphy_priv(wiphy);
+ struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
+
+ return drv_abort_pmsr(local, sdata, request);
+}
+
const struct cfg80211_ops mac80211_config_ops = {
.add_virtual_intf = ieee80211_add_iface,
.del_virtual_intf = ieee80211_del_iface,
@@ -3902,4 +4036,8 @@
.set_multicast_to_unicast = ieee80211_set_multicast_to_unicast,
.tx_control_port = ieee80211_tx_control_port,
.get_txq_stats = ieee80211_get_txq_stats,
+ .get_ftm_responder_stats = ieee80211_get_ftm_responder_stats,
+ .start_pmsr = ieee80211_start_pmsr,
+ .abort_pmsr = ieee80211_abort_pmsr,
+ .probe_mesh_link = ieee80211_probe_mesh_link,
};
diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c
index d9558ff..9c94baa 100644
--- a/net/mac80211/chan.c
+++ b/net/mac80211/chan.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* mac80211 - channel management
*/
diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c
index b5adf36..568b3b2 100644
--- a/net/mac80211/debugfs.c
+++ b/net/mac80211/debugfs.c
@@ -1,11 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* mac80211 debugfs for wireless PHYs
*
* Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
- *
- * GPLv2
- *
+ * Copyright (C) 2018 - 2019 Intel Corporation
*/
#include <linux/debugfs.h>
@@ -149,6 +148,58 @@
.llseek = default_llseek,
};
+static ssize_t force_tx_status_read(struct file *file,
+ char __user *user_buf,
+ size_t count,
+ loff_t *ppos)
+{
+ struct ieee80211_local *local = file->private_data;
+ char buf[3];
+ int len = 0;
+
+ len = scnprintf(buf, sizeof(buf), "%d\n", (int)local->force_tx_status);
+
+ return simple_read_from_buffer(user_buf, count, ppos,
+ buf, len);
+}
+
+static ssize_t force_tx_status_write(struct file *file,
+ const char __user *user_buf,
+ size_t count,
+ loff_t *ppos)
+{
+ struct ieee80211_local *local = file->private_data;
+ char buf[3];
+ size_t len;
+
+ if (count > sizeof(buf))
+ return -EINVAL;
+
+ if (copy_from_user(buf, user_buf, count))
+ return -EFAULT;
+
+ buf[sizeof(buf) - 1] = '\0';
+ len = strlen(buf);
+ if (len > 0 && buf[len - 1] == '\n')
+ buf[len - 1] = 0;
+
+ if (buf[0] == '0' && buf[1] == '\0')
+ local->force_tx_status = 0;
+ else if (buf[0] == '1' && buf[1] == '\0')
+ local->force_tx_status = 1;
+ else
+ return -EINVAL;
+
+ return count;
+}
+
+static const struct file_operations force_tx_status_ops = {
+ .write = force_tx_status_write,
+ .read = force_tx_status_read,
+ .open = simple_open,
+ .llseek = default_llseek,
+};
+
#ifdef CONFIG_PM
static ssize_t reset_write(struct file *file, const char __user *user_buf,
size_t count, loff_t *ppos)
@@ -214,6 +265,13 @@
FLAG(SUPPORTS_TDLS_BUFFER_STA),
FLAG(DEAUTH_NEED_MGD_TX_PREP),
FLAG(DOESNT_SUPPORT_QOS_NDP),
+ FLAG(BUFF_MMPDU_TXQ),
+ FLAG(SUPPORTS_VHT_EXT_NSS_BW),
+ FLAG(STA_MMPDU_TXQ),
+ FLAG(TX_STATUS_NO_AMPDU_LEN),
+ FLAG(SUPPORTS_MULTI_BSSID),
+ FLAG(SUPPORTS_ONLY_HE_MULTI_BSSID),
+ FLAG(AMPDU_KEYBORDER_SUPPORT),
#undef FLAG
};
@@ -375,10 +433,14 @@
DEBUGFS_ADD(hwflags);
DEBUGFS_ADD(user_power);
DEBUGFS_ADD(power);
+ DEBUGFS_ADD_MODE(force_tx_status, 0600);
if (local->ops->wake_tx_queue)
DEBUGFS_ADD_MODE(aqm, 0600);
+ debugfs_create_u16("airtime_flags", 0600,
+ phyd, &local->airtime_flags);
+
statsd = debugfs_create_dir("statistics", phyd);
/* if the dir failed, don't put all the other things into the root! */
diff --git a/net/mac80211/debugfs_key.c b/net/mac80211/debugfs_key.c
index a2ef95f..7b8735c 100644
--- a/net/mac80211/debugfs_key.c
+++ b/net/mac80211/debugfs_key.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2003-2005 Devicescape Software, Inc.
* Copyright (c) 2006 Jiri Benc <jbenc@suse.cz>
* Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
* Copyright (C) 2015 Intel Deutschland GmbH
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/kobject.h>
@@ -342,9 +339,6 @@
key->debugfs.dir = debugfs_create_dir(buf,
key->local->debugfs.keys);
- if (!key->debugfs.dir)
- return;
-
sta = key->sta;
if (sta) {
sprintf(buf, "../../netdev:%s/stations/%pM",
diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index c813207..64b544a 100644
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2006 Jiri Benc <jbenc@suse.cz>
* Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/kernel.h>
@@ -490,9 +487,14 @@
const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
{
struct ieee80211_local *local = sdata->local;
- struct txq_info *txqi = to_txq_info(sdata->vif.txq);
+ struct txq_info *txqi;
int len;
+ if (!sdata->vif.txq)
+ return 0;
+
+ txqi = to_txq_info(sdata->vif.txq);
+
spin_lock_bh(&local->fq.lock);
rcu_read_lock();
@@ -641,6 +643,8 @@
IEEE80211_IF_FILE(power_mode, u.mesh.mshcfg.power_mode, DEC);
IEEE80211_IF_FILE(dot11MeshAwakeWindowDuration,
u.mesh.mshcfg.dot11MeshAwakeWindowDuration, DEC);
+IEEE80211_IF_FILE(dot11MeshConnectedToMeshGate,
+ u.mesh.mshcfg.dot11MeshConnectedToMeshGate, DEC);
#endif
#define DEBUGFS_ADD_MODE(name, mode) \
@@ -659,7 +663,9 @@
DEBUGFS_ADD(rc_rateidx_vht_mcs_mask_5ghz);
DEBUGFS_ADD(hw_queues);
- if (sdata->local->ops->wake_tx_queue)
+ if (sdata->local->ops->wake_tx_queue &&
+ sdata->vif.type != NL80211_IFTYPE_P2P_DEVICE &&
+ sdata->vif.type != NL80211_IFTYPE_NAN)
DEBUGFS_ADD(aqm);
}
@@ -762,6 +768,7 @@
MESHPARAMS_ADD(dot11MeshHWMPconfirmationInterval);
MESHPARAMS_ADD(power_mode);
MESHPARAMS_ADD(dot11MeshAwakeWindowDuration);
+ MESHPARAMS_ADD(dot11MeshConnectedToMeshGate);
#undef MESHPARAMS_ADD
}
#endif
@@ -815,9 +822,8 @@
sprintf(buf, "netdev:%s", sdata->name);
sdata->vif.debugfs_dir = debugfs_create_dir(buf,
sdata->local->hw.wiphy->debugfsdir);
- if (sdata->vif.debugfs_dir)
- sdata->debugfs.subdir_stations = debugfs_create_dir("stations",
- sdata->vif.debugfs_dir);
+ sdata->debugfs.subdir_stations = debugfs_create_dir("stations",
+ sdata->vif.debugfs_dir);
add_files(sdata);
}
@@ -838,12 +844,9 @@
dir = sdata->vif.debugfs_dir;
- if (!dir)
+ if (IS_ERR_OR_NULL(dir))
return;
sprintf(buf, "netdev:%s", sdata->name);
- if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf))
- sdata_err(sdata,
- "debugfs: failed to rename debugfs dir to %s\n",
- buf);
+ debugfs_rename(dir->d_parent, dir, dir->d_parent, buf);
}
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c
index 4105081..c8ad20c 100644
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -1,13 +1,11 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2003-2005 Devicescape Software, Inc.
* Copyright (c) 2006 Jiri Benc <jbenc@suse.cz>
* Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright(c) 2016 Intel Deutschland GmbH
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
+ * Copyright (C) 2018 - 2019 Intel Corporation
*/
#include <linux/debugfs.h>
@@ -140,7 +138,7 @@
{
struct sta_info *sta = file->private_data;
struct ieee80211_local *local = sta->local;
- size_t bufsz = AQM_TXQ_ENTRY_LEN*(IEEE80211_NUM_TIDS+1);
+ size_t bufsz = AQM_TXQ_ENTRY_LEN * (IEEE80211_NUM_TIDS + 2);
char *buf = kzalloc(bufsz, GFP_KERNEL), *p = buf;
struct txq_info *txqi;
ssize_t rv;
@@ -162,7 +160,9 @@
bufsz+buf-p,
"tid ac backlog-bytes backlog-packets new-flows drops marks overlimit collisions tx-bytes tx-packets flags\n");
- for (i = 0; i < IEEE80211_NUM_TIDS; i++) {
+ for (i = 0; i < ARRAY_SIZE(sta->sta.txq); i++) {
+ if (!sta->sta.txq[i])
+ continue;
txqi = to_txq_info(sta->sta.txq[i]);
p += scnprintf(p, bufsz+buf-p,
"%d %d %u %u %u %u %u %u %u %u %u 0x%lx(%s%s%s)\n",
@@ -178,9 +178,9 @@
txqi->tin.tx_bytes,
txqi->tin.tx_packets,
txqi->flags,
- txqi->flags & (1<<IEEE80211_TXQ_STOP) ? "STOP" : "RUN",
- txqi->flags & (1<<IEEE80211_TXQ_AMPDU) ? " AMPDU" : "",
- txqi->flags & (1<<IEEE80211_TXQ_NO_AMSDU) ? " NO-AMSDU" : "");
+ test_bit(IEEE80211_TXQ_STOP, &txqi->flags) ? "STOP" : "RUN",
+ test_bit(IEEE80211_TXQ_AMPDU, &txqi->flags) ? " AMPDU" : "",
+ test_bit(IEEE80211_TXQ_NO_AMSDU, &txqi->flags) ? " NO-AMSDU" : "");
}
rcu_read_unlock();
@@ -192,6 +192,64 @@
}
STA_OPS(aqm);
+static ssize_t sta_airtime_read(struct file *file, char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct sta_info *sta = file->private_data;
+ struct ieee80211_local *local = sta->sdata->local;
+ size_t bufsz = 200;
+ char *buf = kzalloc(bufsz, GFP_KERNEL), *p = buf;
+ u64 rx_airtime = 0, tx_airtime = 0;
+ s64 deficit[IEEE80211_NUM_ACS];
+ ssize_t rv;
+ int ac;
+
+ if (!buf)
+ return -ENOMEM;
+
+ for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
+ spin_lock_bh(&local->active_txq_lock[ac]);
+ rx_airtime += sta->airtime[ac].rx_airtime;
+ tx_airtime += sta->airtime[ac].tx_airtime;
+ deficit[ac] = sta->airtime[ac].deficit;
+ spin_unlock_bh(&local->active_txq_lock[ac]);
+ }
+
+ p += scnprintf(p, bufsz + buf - p,
+ "RX: %llu us\nTX: %llu us\nWeight: %u\n"
+ "Deficit: VO: %lld us VI: %lld us BE: %lld us BK: %lld us\n",
+ rx_airtime,
+ tx_airtime,
+ sta->airtime_weight,
+ deficit[0],
+ deficit[1],
+ deficit[2],
+ deficit[3]);
+
+ rv = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
+ kfree(buf);
+ return rv;
+}
+
+static ssize_t sta_airtime_write(struct file *file, const char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct sta_info *sta = file->private_data;
+ struct ieee80211_local *local = sta->sdata->local;
+ int ac;
+
+ for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
+ spin_lock_bh(&local->active_txq_lock[ac]);
+ sta->airtime[ac].rx_airtime = 0;
+ sta->airtime[ac].tx_airtime = 0;
+ sta->airtime[ac].deficit = sta->airtime_weight;
+ spin_unlock_bh(&local->active_txq_lock[ac]);
+ }
+
+ return count;
+}
+STA_OPS_RW(airtime);
+
static ssize_t sta_agg_status_read(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos)
{
@@ -487,12 +545,383 @@
p += scnprintf(p, sizeof(buf)+buf-p,
"MCS TX highest: %d Mbps\n",
le16_to_cpu(vhtc->vht_mcs.tx_highest));
+#undef PFLAG
}
return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
}
STA_OPS(vht_capa);
+static ssize_t sta_he_capa_read(struct file *file, char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ char *buf, *p;
+ size_t buf_sz = PAGE_SIZE;
+ struct sta_info *sta = file->private_data;
+ struct ieee80211_sta_he_cap *hec = &sta->sta.he_cap;
+ struct ieee80211_he_mcs_nss_supp *nss = &hec->he_mcs_nss_supp;
+ u8 ppe_size;
+ u8 *cap;
+ int i;
+ ssize_t ret;
+
+ buf = kmalloc(buf_sz, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+ p = buf;
+
+ p += scnprintf(p, buf_sz + buf - p, "HE %ssupported\n",
+ hec->has_he ? "" : "not ");
+ if (!hec->has_he)
+ goto out;
+
+ cap = hec->he_cap_elem.mac_cap_info;
+ p += scnprintf(p, buf_sz + buf - p,
+ "MAC-CAP: %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x\n",
+ cap[0], cap[1], cap[2], cap[3], cap[4], cap[5]);
+
+#define PRINT(fmt, ...) \
+ p += scnprintf(p, buf_sz + buf - p, "\t\t" fmt "\n", \
+ ##__VA_ARGS__)
+
+#define PFLAG(t, n, a, b) \
+ do { \
+ if (cap[n] & IEEE80211_HE_##t##_CAP##n##_##a) \
+ PRINT("%s", b); \
+ } while (0)
+
+#define PFLAG_RANGE(t, i, n, s, m, off, fmt) \
+ do { \
+ u8 msk = IEEE80211_HE_##t##_CAP##i##_##n##_MASK; \
+ u8 idx = ((cap[i] & msk) >> (ffs(msk) - 1)) + off; \
+ PRINT(fmt, (s << idx) + (m * idx)); \
+ } while (0)
+
+#define PFLAG_RANGE_DEFAULT(t, i, n, s, m, off, fmt, a, b) \
+ do { \
+ if (cap[i] == IEEE80211_HE_##t ##_CAP##i##_##n##_##a) { \
+ PRINT("%s", b); \
+ break; \
+ } \
+ PFLAG_RANGE(t, i, n, s, m, off, fmt); \
+ } while (0)
+
+ PFLAG(MAC, 0, HTC_HE, "HTC-HE");
+ PFLAG(MAC, 0, TWT_REQ, "TWT-REQ");
+ PFLAG(MAC, 0, TWT_RES, "TWT-RES");
+ PFLAG_RANGE_DEFAULT(MAC, 0, DYNAMIC_FRAG, 0, 1, 0,
+ "DYNAMIC-FRAG-LEVEL-%d", NOT_SUPP, "NOT-SUPP");
+ PFLAG_RANGE_DEFAULT(MAC, 0, MAX_NUM_FRAG_MSDU, 1, 0, 0,
+ "MAX-NUM-FRAG-MSDU-%d", UNLIMITED, "UNLIMITED");
+
+ PFLAG_RANGE_DEFAULT(MAC, 1, MIN_FRAG_SIZE, 128, 0, -1,
+ "MIN-FRAG-SIZE-%d", UNLIMITED, "UNLIMITED");
+ PFLAG_RANGE_DEFAULT(MAC, 1, TF_MAC_PAD_DUR, 0, 8, 0,
+ "TF-MAC-PAD-DUR-%dUS", MASK, "UNKNOWN");
+ PFLAG_RANGE(MAC, 1, MULTI_TID_AGG_RX_QOS, 0, 1, 1,
+ "MULTI-TID-AGG-RX-QOS-%d");
+
+ if (cap[0] & IEEE80211_HE_MAC_CAP0_HTC_HE) {
+ switch (((cap[2] << 1) | (cap[1] >> 7)) & 0x3) {
+ case 0:
+ PRINT("LINK-ADAPTATION-NO-FEEDBACK");
+ break;
+ case 1:
+ PRINT("LINK-ADAPTATION-RESERVED");
+ break;
+ case 2:
+ PRINT("LINK-ADAPTATION-UNSOLICITED-FEEDBACK");
+ break;
+ case 3:
+ PRINT("LINK-ADAPTATION-BOTH");
+ break;
+ }
+ }
+
+ PFLAG(MAC, 2, ALL_ACK, "ALL-ACK");
+ PFLAG(MAC, 2, TRS, "TRS");
+ PFLAG(MAC, 2, BSR, "BSR");
+ PFLAG(MAC, 2, BCAST_TWT, "BCAST-TWT");
+ PFLAG(MAC, 2, 32BIT_BA_BITMAP, "32BIT-BA-BITMAP");
+ PFLAG(MAC, 2, MU_CASCADING, "MU-CASCADING");
+ PFLAG(MAC, 2, ACK_EN, "ACK-EN");
+
+ PFLAG(MAC, 3, OMI_CONTROL, "OMI-CONTROL");
+ PFLAG(MAC, 3, OFDMA_RA, "OFDMA-RA");
+
+ switch (cap[3] & IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK) {
+ case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_USE_VHT:
+ PRINT("MAX-AMPDU-LEN-EXP-USE-VHT");
+ break;
+ case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_1:
+ PRINT("MAX-AMPDU-LEN-EXP-VHT-1");
+ break;
+ case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2:
+ PRINT("MAX-AMPDU-LEN-EXP-VHT-2");
+ break;
+ case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED:
+ PRINT("MAX-AMPDU-LEN-EXP-RESERVED");
+ break;
+ }
+
+ PFLAG(MAC, 3, AMSDU_FRAG, "AMSDU-FRAG");
+ PFLAG(MAC, 3, FLEX_TWT_SCHED, "FLEX-TWT-SCHED");
+ PFLAG(MAC, 3, RX_CTRL_FRAME_TO_MULTIBSS, "RX-CTRL-FRAME-TO-MULTIBSS");
+
+ PFLAG(MAC, 4, BSRP_BQRP_A_MPDU_AGG, "BSRP-BQRP-A-MPDU-AGG");
+ PFLAG(MAC, 4, QTP, "QTP");
+ PFLAG(MAC, 4, BQR, "BQR");
+ PFLAG(MAC, 4, SRP_RESP, "SRP-RESP");
+ PFLAG(MAC, 4, NDP_FB_REP, "NDP-FB-REP");
+ PFLAG(MAC, 4, OPS, "OPS");
+ PFLAG(MAC, 4, AMDSU_IN_AMPDU, "AMSDU-IN-AMPDU");
+
+ PRINT("MULTI-TID-AGG-TX-QOS-%d", ((cap[5] << 1) | (cap[4] >> 7)) & 0x7);
+
+ PFLAG(MAC, 5, SUBCHAN_SELECVITE_TRANSMISSION,
+ "SUBCHAN-SELECVITE-TRANSMISSION");
+ PFLAG(MAC, 5, UL_2x996_TONE_RU, "UL-2x996-TONE-RU");
+ PFLAG(MAC, 5, OM_CTRL_UL_MU_DATA_DIS_RX, "OM-CTRL-UL-MU-DATA-DIS-RX");
+ PFLAG(MAC, 5, HE_DYNAMIC_SM_PS, "HE-DYNAMIC-SM-PS");
+ PFLAG(MAC, 5, PUNCTURED_SOUNDING, "PUNCTURED-SOUNDING");
+ PFLAG(MAC, 5, HT_VHT_TRIG_FRAME_RX, "HT-VHT-TRIG-FRAME-RX");
+
+ cap = hec->he_cap_elem.phy_cap_info;
+ p += scnprintf(p, buf_sz + buf - p,
+ "PHY CAP: %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x\n",
+ cap[0], cap[1], cap[2], cap[3], cap[4], cap[5], cap[6],
+ cap[7], cap[8], cap[9], cap[10]);
+
+ PFLAG(PHY, 0, CHANNEL_WIDTH_SET_40MHZ_IN_2G,
+ "CHANNEL-WIDTH-SET-40MHZ-IN-2G");
+ PFLAG(PHY, 0, CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G,
+ "CHANNEL-WIDTH-SET-40MHZ-80MHZ-IN-5G");
+ PFLAG(PHY, 0, CHANNEL_WIDTH_SET_160MHZ_IN_5G,
+ "CHANNEL-WIDTH-SET-160MHZ-IN-5G");
+ PFLAG(PHY, 0, CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G,
+ "CHANNEL-WIDTH-SET-80PLUS80-MHZ-IN-5G");
+ PFLAG(PHY, 0, CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G,
+ "CHANNEL-WIDTH-SET-RU-MAPPING-IN-2G");
+ PFLAG(PHY, 0, CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G,
+ "CHANNEL-WIDTH-SET-RU-MAPPING-IN-5G");
+
+ switch (cap[1] & IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK) {
+ case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ:
+ PRINT("PREAMBLE-PUNC-RX-80MHZ-ONLY-SECOND-20MHZ");
+ break;
+ case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ:
+ PRINT("PREAMBLE-PUNC-RX-80MHZ-ONLY-SECOND-40MHZ");
+ break;
+ case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ:
+ PRINT("PREAMBLE-PUNC-RX-160MHZ-ONLY-SECOND-20MHZ");
+ break;
+ case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ:
+ PRINT("PREAMBLE-PUNC-RX-160MHZ-ONLY-SECOND-40MHZ");
+ break;
+ }
+
+ PFLAG(PHY, 1, DEVICE_CLASS_A,
+ "IEEE80211-HE-PHY-CAP1-DEVICE-CLASS-A");
+ PFLAG(PHY, 1, LDPC_CODING_IN_PAYLOAD,
+ "LDPC-CODING-IN-PAYLOAD");
+ PFLAG(PHY, 1, HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US,
+ "HY-CAP1-HE-LTF-AND-GI-FOR-HE-PPDUS-0-8US");
+ PRINT("MIDAMBLE-RX-MAX-NSTS-%d", ((cap[2] << 1) | (cap[1] >> 7)) & 0x3);
+
+ PFLAG(PHY, 2, NDP_4x_LTF_AND_3_2US, "NDP-4X-LTF-AND-3-2US");
+ PFLAG(PHY, 2, STBC_TX_UNDER_80MHZ, "STBC-TX-UNDER-80MHZ");
+ PFLAG(PHY, 2, STBC_RX_UNDER_80MHZ, "STBC-RX-UNDER-80MHZ");
+ PFLAG(PHY, 2, DOPPLER_TX, "DOPPLER-TX");
+ PFLAG(PHY, 2, DOPPLER_RX, "DOPPLER-RX");
+ PFLAG(PHY, 2, UL_MU_FULL_MU_MIMO, "UL-MU-FULL-MU-MIMO");
+ PFLAG(PHY, 2, UL_MU_PARTIAL_MU_MIMO, "UL-MU-PARTIAL-MU-MIMO");
+
+ switch (cap[3] & IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK) {
+ case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM:
+ PRINT("DCM-MAX-CONST-TX-NO-DCM");
+ break;
+ case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK:
+ PRINT("DCM-MAX-CONST-TX-BPSK");
+ break;
+ case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK:
+ PRINT("DCM-MAX-CONST-TX-QPSK");
+ break;
+ case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM:
+ PRINT("DCM-MAX-CONST-TX-16-QAM");
+ break;
+ }
+
+ PFLAG(PHY, 3, DCM_MAX_TX_NSS_1, "DCM-MAX-TX-NSS-1");
+ PFLAG(PHY, 3, DCM_MAX_TX_NSS_2, "DCM-MAX-TX-NSS-2");
+
+ switch (cap[3] & IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK) {
+ case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM:
+ PRINT("DCM-MAX-CONST-RX-NO-DCM");
+ break;
+ case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK:
+ PRINT("DCM-MAX-CONST-RX-BPSK");
+ break;
+ case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK:
+ PRINT("DCM-MAX-CONST-RX-QPSK");
+ break;
+ case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM:
+ PRINT("DCM-MAX-CONST-RX-16-QAM");
+ break;
+ }
+
+ PFLAG(PHY, 3, DCM_MAX_RX_NSS_1, "DCM-MAX-RX-NSS-1");
+ PFLAG(PHY, 3, DCM_MAX_RX_NSS_2, "DCM-MAX-RX-NSS-2");
+ PFLAG(PHY, 3, RX_HE_MU_PPDU_FROM_NON_AP_STA,
+ "RX-HE-MU-PPDU-FROM-NON-AP-STA");
+ PFLAG(PHY, 3, SU_BEAMFORMER, "SU-BEAMFORMER");
+
+ PFLAG(PHY, 4, SU_BEAMFORMEE, "SU-BEAMFORMEE");
+ PFLAG(PHY, 4, MU_BEAMFORMER, "MU-BEAMFORMER");
+
+ PFLAG_RANGE(PHY, 4, BEAMFORMEE_MAX_STS_UNDER_80MHZ, 0, 1, 4,
+ "BEAMFORMEE-MAX-STS-UNDER-%d");
+ PFLAG_RANGE(PHY, 4, BEAMFORMEE_MAX_STS_ABOVE_80MHZ, 0, 1, 4,
+ "BEAMFORMEE-MAX-STS-ABOVE-%d");
+
+ PFLAG_RANGE(PHY, 5, BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ, 0, 1, 1,
+ "NUM-SND-DIM-UNDER-80MHZ-%d");
+ PFLAG_RANGE(PHY, 5, BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ, 0, 1, 1,
+ "NUM-SND-DIM-ABOVE-80MHZ-%d");
+ PFLAG(PHY, 5, NG16_SU_FEEDBACK, "NG16-SU-FEEDBACK");
+ PFLAG(PHY, 5, NG16_MU_FEEDBACK, "NG16-MU-FEEDBACK");
+
+ PFLAG(PHY, 6, CODEBOOK_SIZE_42_SU, "CODEBOOK-SIZE-42-SU");
+ PFLAG(PHY, 6, CODEBOOK_SIZE_75_MU, "CODEBOOK-SIZE-75-MU");
+ PFLAG(PHY, 6, TRIG_SU_BEAMFORMER_FB, "TRIG-SU-BEAMFORMER-FB");
+ PFLAG(PHY, 6, TRIG_MU_BEAMFORMER_FB, "TRIG-MU-BEAMFORMER-FB");
+ PFLAG(PHY, 6, TRIG_CQI_FB, "TRIG-CQI-FB");
+ PFLAG(PHY, 6, PARTIAL_BW_EXT_RANGE, "PARTIAL-BW-EXT-RANGE");
+ PFLAG(PHY, 6, PARTIAL_BANDWIDTH_DL_MUMIMO,
+ "PARTIAL-BANDWIDTH-DL-MUMIMO");
+ PFLAG(PHY, 6, PPE_THRESHOLD_PRESENT, "PPE-THRESHOLD-PRESENT");
+
+ PFLAG(PHY, 7, SRP_BASED_SR, "SRP-BASED-SR");
+ PFLAG(PHY, 7, POWER_BOOST_FACTOR_AR, "POWER-BOOST-FACTOR-AR");
+ PFLAG(PHY, 7, HE_SU_MU_PPDU_4XLTF_AND_08_US_GI,
+ "HE-SU-MU-PPDU-4XLTF-AND-08-US-GI");
+ PFLAG_RANGE(PHY, 7, MAX_NC, 0, 1, 1, "MAX-NC-%d");
+ PFLAG(PHY, 7, STBC_TX_ABOVE_80MHZ, "STBC-TX-ABOVE-80MHZ");
+ PFLAG(PHY, 7, STBC_RX_ABOVE_80MHZ, "STBC-RX-ABOVE-80MHZ");
+
+ PFLAG(PHY, 8, HE_ER_SU_PPDU_4XLTF_AND_08_US_GI,
+ "HE-ER-SU-PPDU-4XLTF-AND-08-US-GI");
+ PFLAG(PHY, 8, 20MHZ_IN_40MHZ_HE_PPDU_IN_2G,
+ "20MHZ-IN-40MHZ-HE-PPDU-IN-2G");
+ PFLAG(PHY, 8, 20MHZ_IN_160MHZ_HE_PPDU, "20MHZ-IN-160MHZ-HE-PPDU");
+ PFLAG(PHY, 8, 80MHZ_IN_160MHZ_HE_PPDU, "80MHZ-IN-160MHZ-HE-PPDU");
+ PFLAG(PHY, 8, HE_ER_SU_1XLTF_AND_08_US_GI,
+ "HE-ER-SU-1XLTF-AND-08-US-GI");
+ PFLAG(PHY, 8, MIDAMBLE_RX_TX_2X_AND_1XLTF,
+ "MIDAMBLE-RX-TX-2X-AND-1XLTF");
+
+ switch (cap[8] & IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK) {
+ case IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242:
+ PRINT("DCM-MAX-RU-242");
+ break;
+ case IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484:
+ PRINT("DCM-MAX-RU-484");
+ break;
+ case IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996:
+ PRINT("DCM-MAX-RU-996");
+ break;
+ case IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996:
+ PRINT("DCM-MAX-RU-2x996");
+ break;
+ }
+
+ PFLAG(PHY, 9, LONGER_THAN_16_SIGB_OFDM_SYM,
+ "LONGER-THAN-16-SIGB-OFDM-SYM");
+ PFLAG(PHY, 9, NON_TRIGGERED_CQI_FEEDBACK,
+ "NON-TRIGGERED-CQI-FEEDBACK");
+ PFLAG(PHY, 9, TX_1024_QAM_LESS_THAN_242_TONE_RU,
+ "TX-1024-QAM-LESS-THAN-242-TONE-RU");
+ PFLAG(PHY, 9, RX_1024_QAM_LESS_THAN_242_TONE_RU,
+ "RX-1024-QAM-LESS-THAN-242-TONE-RU");
+ PFLAG(PHY, 9, RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB,
+ "RX-FULL-BW-SU-USING-MU-WITH-COMP-SIGB");
+ PFLAG(PHY, 9, RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB,
+ "RX-FULL-BW-SU-USING-MU-WITH-NON-COMP-SIGB");
+
+ switch (cap[9] & IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK) {
+ case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_0US:
+ PRINT("NOMINAL-PACKET-PADDING-0US");
+ break;
+ case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_8US:
+ PRINT("NOMINAL-PACKET-PADDING-8US");
+ break;
+ case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US:
+ PRINT("NOMINAL-PACKET-PADDING-16US");
+ break;
+ }
+
+#undef PFLAG_RANGE_DEFAULT
+#undef PFLAG_RANGE
+#undef PFLAG
+
+#define PRINT_NSS_SUPP(f, n) \
+ do { \
+ int _i; \
+ u16 v = le16_to_cpu(nss->f); \
+ p += scnprintf(p, buf_sz + buf - p, n ": %#.4x\n", v); \
+ for (_i = 0; _i < 8; _i += 2) { \
+ switch ((v >> _i) & 0x3) { \
+ case 0: \
+ PRINT(n "-%d-SUPPORT-0-7", _i / 2); \
+ break; \
+ case 1: \
+ PRINT(n "-%d-SUPPORT-0-9", _i / 2); \
+ break; \
+ case 2: \
+ PRINT(n "-%d-SUPPORT-0-11", _i / 2); \
+ break; \
+ case 3: \
+ PRINT(n "-%d-NOT-SUPPORTED", _i / 2); \
+ break; \
+ } \
+ } \
+ } while (0)
+
+ PRINT_NSS_SUPP(rx_mcs_80, "RX-MCS-80");
+ PRINT_NSS_SUPP(tx_mcs_80, "TX-MCS-80");
+
+ if (cap[0] & IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G) {
+ PRINT_NSS_SUPP(rx_mcs_160, "RX-MCS-160");
+ PRINT_NSS_SUPP(tx_mcs_160, "TX-MCS-160");
+ }
+
+ if (cap[0] &
+ IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G) {
+ PRINT_NSS_SUPP(rx_mcs_80p80, "RX-MCS-80P80");
+ PRINT_NSS_SUPP(tx_mcs_80p80, "TX-MCS-80P80");
+ }
+
+#undef PRINT_NSS_SUPP
+#undef PRINT
+
+ if (!(cap[6] & IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT))
+ goto out;
+
+ p += scnprintf(p, buf_sz + buf - p, "PPE-THRESHOLDS: %#.2x",
+ hec->ppe_thres[0]);
+
+ ppe_size = ieee80211_he_ppe_size(hec->ppe_thres[0], cap);
+ for (i = 1; i < ppe_size; i++) {
+ p += scnprintf(p, buf_sz + buf - p, " %#.2x",
+ hec->ppe_thres[i]);
+ }
+ p += scnprintf(p, buf_sz + buf - p, "\n");
+
+out:
+ ret = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
+ kfree(buf);
+ return ret;
+}
+STA_OPS(he_capa);
#define DEBUGFS_ADD(name) \
debugfs_create_file(#name, 0400, \
@@ -528,8 +957,6 @@
* dir might still be around.
*/
sta->debugfs_dir = debugfs_create_dir(mac, stations_dir);
- if (!sta->debugfs_dir)
- return;
DEBUGFS_ADD(flags);
DEBUGFS_ADD(aid);
@@ -538,6 +965,7 @@
DEBUGFS_ADD(agg_status);
DEBUGFS_ADD(ht_capa);
DEBUGFS_ADD(vht_capa);
+ DEBUGFS_ADD(he_capa);
DEBUGFS_ADD_COUNTER(rx_duplicates, rx_stats.num_duplicates);
DEBUGFS_ADD_COUNTER(rx_fragments, rx_stats.fragments);
@@ -546,6 +974,10 @@
if (local->ops->wake_tx_queue)
DEBUGFS_ADD(aqm);
+ if (wiphy_ext_feature_isset(local->hw.wiphy,
+ NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
+ DEBUGFS_ADD(airtime);
+
if (sizeof(sta->driver_buffered_tids) == sizeof(u32))
debugfs_create_x32("driver_buffered_tids", 0400,
sta->debugfs_dir,
diff --git a/net/mac80211/driver-ops.c b/net/mac80211/driver-ops.c
index bb886e7..c9a8a24 100644
--- a/net/mac80211/driver-ops.c
+++ b/net/mac80211/driver-ops.c
@@ -1,9 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2015 Intel Deutschland GmbH
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <net/mac80211.h>
#include "ieee80211_i.h"
@@ -138,6 +135,27 @@
return ret;
}
+__must_check
+int drv_sta_set_txpwr(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata,
+ struct sta_info *sta)
+{
+ int ret = -EOPNOTSUPP;
+
+ might_sleep();
+
+ sdata = get_bss_sdata(sdata);
+ if (!check_sdata_in_driver(sdata))
+ return -EIO;
+
+ trace_drv_sta_set_txpwr(local, sdata, &sta->sta);
+ if (local->ops->sta_set_txpwr)
+ ret = local->ops->sta_set_txpwr(&local->hw, &sdata->vif,
+ &sta->sta);
+ trace_drv_return_int(local, ret);
+ return ret;
+}
+
void drv_sta_rc_update(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
struct ieee80211_sta *sta, u32 changed)
@@ -169,11 +187,16 @@
if (!check_sdata_in_driver(sdata))
return -EIO;
- if (WARN_ONCE(params->cw_min == 0 ||
- params->cw_min > params->cw_max,
- "%s: invalid CW_min/CW_max: %d/%d\n",
- sdata->name, params->cw_min, params->cw_max))
+ if (params->cw_min == 0 || params->cw_min > params->cw_max) {
+ /*
+ * If we can't configure hardware anyway, don't warn. We may
+ * never have initialized the CW parameters.
+ */
+ WARN_ONCE(local->ops->conf_tx,
+ "%s: invalid CW_min/CW_max: %d/%d\n",
+ sdata->name, params->cw_min, params->cw_max);
return -EINVAL;
+ }
trace_drv_conf_tx(local, sdata, ac, params);
if (local->ops->conf_tx)
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index 8f69980..2c9b3eb 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -2,7 +2,7 @@
/*
* Portions of this file
* Copyright(c) 2016 Intel Deutschland GmbH
-* Copyright (C) 2018 Intel Corporation
+* Copyright (C) 2018 - 2019 Intel Corporation
*/
#ifndef __MAC80211_DRIVER_OPS
@@ -529,6 +529,11 @@
enum ieee80211_sta_state old_state,
enum ieee80211_sta_state new_state);
+__must_check
+int drv_sta_set_txpwr(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata,
+ struct sta_info *sta);
+
void drv_sta_rc_update(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
struct ieee80211_sta *sta, u32 changed);
@@ -687,14 +692,16 @@
return ret;
}
-static inline int drv_cancel_remain_on_channel(struct ieee80211_local *local)
+static inline int
+drv_cancel_remain_on_channel(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata)
{
int ret;
might_sleep();
- trace_drv_cancel_remain_on_channel(local);
- ret = local->ops->cancel_remain_on_channel(&local->hw);
+ trace_drv_cancel_remain_on_channel(local, sdata);
+ ret = local->ops->cancel_remain_on_channel(&local->hw, &sdata->vif);
trace_drv_return_int(local, ret);
return ret;
@@ -1052,6 +1059,35 @@
return ret;
}
+static inline void
+drv_abort_channel_switch(struct ieee80211_sub_if_data *sdata)
+{
+ struct ieee80211_local *local = sdata->local;
+
+ if (!check_sdata_in_driver(sdata))
+ return;
+
+ trace_drv_abort_channel_switch(local, sdata);
+
+ if (local->ops->abort_channel_switch)
+ local->ops->abort_channel_switch(&local->hw, &sdata->vif);
+}
+
+static inline void
+drv_channel_switch_rx_beacon(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_channel_switch *ch_switch)
+{
+ struct ieee80211_local *local = sdata->local;
+
+ if (!check_sdata_in_driver(sdata))
+ return;
+
+ trace_drv_channel_switch_rx_beacon(local, sdata, ch_switch);
+ if (local->ops->channel_switch_rx_beacon)
+ local->ops->channel_switch_rx_beacon(&local->hw, &sdata->vif,
+ ch_switch);
+}
+
static inline int drv_join_ibss(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata)
{
@@ -1166,6 +1202,9 @@
{
struct ieee80211_sub_if_data *sdata = vif_to_sdata(txq->txq.vif);
+ if (local->in_reconfig)
+ return;
+
if (!check_sdata_in_driver(sdata))
return;
@@ -1173,6 +1212,73 @@
local->ops->wake_tx_queue(&local->hw, &txq->txq);
}
+static inline void schedule_and_wake_txq(struct ieee80211_local *local,
+ struct txq_info *txqi)
+{
+ ieee80211_schedule_txq(&local->hw, &txqi->txq);
+ drv_wake_tx_queue(local, txqi);
+}
+
+static inline int drv_can_aggregate_in_amsdu(struct ieee80211_local *local,
+ struct sk_buff *head,
+ struct sk_buff *skb)
+{
+ if (!local->ops->can_aggregate_in_amsdu)
+ return true;
+
+ return local->ops->can_aggregate_in_amsdu(&local->hw, head, skb);
+}
+
+static inline int
+drv_get_ftm_responder_stats(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata,
+ struct cfg80211_ftm_responder_stats *ftm_stats)
+{
+ u32 ret = -EOPNOTSUPP;
+
+ if (local->ops->get_ftm_responder_stats)
+ ret = local->ops->get_ftm_responder_stats(&local->hw,
+ &sdata->vif,
+ ftm_stats);
+ trace_drv_get_ftm_responder_stats(local, sdata, ftm_stats);
+
+ return ret;
+}
+
+static inline int drv_start_pmsr(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata,
+ struct cfg80211_pmsr_request *request)
+{
+ int ret = -EOPNOTSUPP;
+
+ might_sleep();
+ if (!check_sdata_in_driver(sdata))
+ return -EIO;
+
+ trace_drv_start_pmsr(local, sdata);
+
+ if (local->ops->start_pmsr)
+ ret = local->ops->start_pmsr(&local->hw, &sdata->vif, request);
+ trace_drv_return_int(local, ret);
+
+ return ret;
+}
+
+static inline void drv_abort_pmsr(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata,
+ struct cfg80211_pmsr_request *request)
+{
+ trace_drv_abort_pmsr(local, sdata);
+
+ might_sleep();
+ if (!check_sdata_in_driver(sdata))
+ return;
+
+ if (local->ops->abort_pmsr)
+ local->ops->abort_pmsr(&local->hw, &sdata->vif, request);
+ trace_drv_return_void(local);
+}
+
static inline int drv_start_nan(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
struct cfg80211_nan_conf *conf)
diff --git a/net/mac80211/ethtool.c b/net/mac80211/ethtool.c
index 5ac7438..99a2e30 100644
--- a/net/mac80211/ethtool.c
+++ b/net/mac80211/ethtool.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* mac80211 ethtool hooks for cfg80211
*
@@ -5,8 +6,6 @@
* Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2014 Intel Corporation (Author: Johannes Berg)
* Copyright (C) 2018 Intel Corporation
- *
- * This file is GPLv2 as found in COPYING.
*/
#include <linux/types.h>
#include <net/cfg80211.h>
diff --git a/net/mac80211/fils_aead.c b/net/mac80211/fils_aead.c
index 3cfb1e2..a13ae14 100644
--- a/net/mac80211/fils_aead.c
+++ b/net/mac80211/fils_aead.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* FILS AEAD for (Re)Association Request/Response frames
* Copyright 2016, Qualcomm Atheros, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <crypto/aes.h>
diff --git a/net/mac80211/fils_aead.h b/net/mac80211/fils_aead.h
index fbc6523..c868153 100644
--- a/net/mac80211/fils_aead.h
+++ b/net/mac80211/fils_aead.h
@@ -1,10 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* FILS AEAD for (Re)Association Request/Response frames
* Copyright 2016, Qualcomm Atheros, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef FILS_AEAD_H
diff --git a/net/mac80211/he.c b/net/mac80211/he.c
index 769078e..736da00 100644
--- a/net/mac80211/he.c
+++ b/net/mac80211/he.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* HE handling
*
* Copyright(c) 2017 Intel Deutschland GmbH
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include "ieee80211_i.h"
@@ -53,3 +50,43 @@
he_cap->has_he = true;
}
+
+void
+ieee80211_he_op_ie_to_bss_conf(struct ieee80211_vif *vif,
+ const struct ieee80211_he_operation *he_op_ie_elem)
+{
+ struct ieee80211_he_operation *he_operation =
+ &vif->bss_conf.he_operation;
+
+ if (!he_op_ie_elem) {
+ memset(he_operation, 0, sizeof(*he_operation));
+ return;
+ }
+
+ vif->bss_conf.he_operation = *he_op_ie_elem;
+}
+
+void
+ieee80211_he_spr_ie_to_bss_conf(struct ieee80211_vif *vif,
+ const struct ieee80211_he_spr *he_spr_ie_elem)
+{
+ struct ieee80211_he_obss_pd *he_obss_pd =
+ &vif->bss_conf.he_obss_pd;
+ const u8 *data;
+
+ memset(he_obss_pd, 0, sizeof(*he_obss_pd));
+
+ if (!he_spr_ie_elem)
+ return;
+ data = he_spr_ie_elem->optional;
+
+ if (he_spr_ie_elem->he_sr_control &
+ IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
+ data++;
+ if (he_spr_ie_elem->he_sr_control &
+ IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT) {
+ he_obss_pd->max_offset = *data++;
+ he_obss_pd->min_offset = *data++;
+ he_obss_pd->enable = true;
+ }
+}
diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c
index f849ea8..a2e4d6b 100644
--- a/net/mac80211/ht.c
+++ b/net/mac80211/ht.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* HT handling
*
@@ -8,10 +9,6 @@
* Copyright 2007, Michael Wu <flamingice@sourmilk.net>
* Copyright 2007-2010, Intel Corporation
* Copyright 2017 Intel Deutschland GmbH
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/ieee80211.h>
@@ -107,6 +104,15 @@
__check_htcap_enable(ht_capa, ht_capa_mask, ht_cap,
IEEE80211_HT_CAP_40MHZ_INTOLERANT);
+ /* Allow user to enable TX STBC bit */
+ __check_htcap_enable(ht_capa, ht_capa_mask, ht_cap,
+ IEEE80211_HT_CAP_TX_STBC);
+
+ /* Allow user to configure RX STBC bits */
+ if (ht_capa_mask->cap_info & cpu_to_le16(IEEE80211_HT_CAP_RX_STBC))
+ ht_cap->cap |= le16_to_cpu(ht_capa->cap_info) &
+ IEEE80211_HT_CAP_RX_STBC;
+
/* Allow user to decrease AMPDU factor */
if (ht_capa_mask->ampdu_params_info &
IEEE80211_HT_AMPDU_PARM_FACTOR) {
@@ -353,7 +359,7 @@
sta->ampdu_mlme.tid_rx_manage_offl))
___ieee80211_start_rx_ba_session(sta, 0, 0, 0, 1, tid,
IEEE80211_MAX_AMPDU_BUF_HT,
- false, true);
+ false, true, NULL);
if (test_and_clear_bit(tid + IEEE80211_NUM_TIDS,
sta->ampdu_mlme.tid_rx_manage_offl))
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index f0f5fed..0a6ff01 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* IBSS mode implementation
* Copyright 2003-2008, Jouni Malinen <j@w1.fi>
@@ -8,10 +9,7 @@
* Copyright 2009, Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright(c) 2016 Intel Deutschland GmbH
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
+ * Copyright(c) 2018-2019 Intel Corporation
*/
#include <linux/delay.h>
@@ -1070,7 +1068,9 @@
struct ieee80211_vht_cap cap_ie;
struct ieee80211_sta_vht_cap cap = sta->sta.vht_cap;
- ieee80211_chandef_vht_oper(elems->vht_operation,
+ ieee80211_chandef_vht_oper(&local->hw,
+ elems->vht_operation,
+ elems->ht_operation,
&chandef);
memcpy(&cap_ie, elems->vht_cap_elem, sizeof(cap_ie));
ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
@@ -1122,8 +1122,7 @@
ieee80211_update_sta_info(sdata, mgmt, len, rx_status, elems, channel);
- bss = ieee80211_bss_info_update(local, rx_status, mgmt, len, elems,
- channel);
+ bss = ieee80211_bss_info_update(local, rx_status, mgmt, len, channel);
if (!bss)
return;
@@ -1253,6 +1252,7 @@
static void ieee80211_ibss_sta_expire(struct ieee80211_sub_if_data *sdata)
{
+ struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
struct ieee80211_local *local = sdata->local;
struct sta_info *sta, *tmp;
unsigned long exp_time = IEEE80211_IBSS_INACTIVITY_LIMIT;
@@ -1269,10 +1269,17 @@
if (time_is_before_jiffies(last_active + exp_time) ||
(time_is_before_jiffies(last_active + exp_rsn) &&
sta->sta_state != IEEE80211_STA_AUTHORIZED)) {
+ u8 frame_buf[IEEE80211_DEAUTH_FRAME_LEN];
+
sta_dbg(sta->sdata, "expiring inactive %sSTA %pM\n",
sta->sta_state != IEEE80211_STA_AUTHORIZED ?
"not authorized " : "", sta->sta.addr);
+ ieee80211_send_deauth_disassoc(sdata, sta->sta.addr,
+ ifibss->bssid,
+ IEEE80211_STYPE_DEAUTH,
+ WLAN_REASON_DEAUTH_LEAVING,
+ true, frame_buf);
WARN_ON(__sta_info_destroy(sta));
}
}
@@ -1602,7 +1609,7 @@
return;
ieee802_11_parse_elems(mgmt->u.probe_resp.variable, len - baselen,
- false, &elems);
+ false, &elems, mgmt->bssid, NULL);
ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems);
}
@@ -1652,7 +1659,7 @@
ieee802_11_parse_elems(
mgmt->u.action.u.chan_switch.variable,
- ies_len, true, &elems);
+ ies_len, true, &elems, mgmt->bssid, NULL);
if (elems.parse_error)
break;
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 172aeae..05406e9 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1,14 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright 2002-2005, Instant802 Networks, Inc.
* Copyright 2005, Devicescape Software, Inc.
* Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
* Copyright 2007-2010 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2015 Intel Mobile Communications GmbH
- * Copyright (C) 2018 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
+ * Copyright (C) 2018-2019 Intel Corporation
*/
#ifndef IEEE80211_I_H
@@ -377,6 +374,7 @@
u8 key[WLAN_KEY_LEN_WEP104];
u8 key_len, key_idx;
bool done;
+ bool peer_confirmed;
bool timeout_started;
u16 sae_trans, sae_status;
@@ -499,6 +497,7 @@
unsigned int uapsd_max_sp_len;
int wmm_last_param_set;
+ int mu_edca_last_param_set;
u8 use_4addr;
@@ -554,6 +553,12 @@
* get stuck in a downgraded situation and flush takes forever.
*/
struct delayed_work tx_tspec_wk;
+
+ /* Information elements from the last transmitted (Re)Association
+ * Request frame.
+ */
+ u8 *assoc_req_ies;
+ size_t assoc_req_ies_len;
};
struct ieee80211_if_ibss {
@@ -818,6 +823,7 @@
IEEE80211_TXQ_STOP,
IEEE80211_TXQ_AMPDU,
IEEE80211_TXQ_NO_AMSDU,
+ IEEE80211_TXQ_STOP_NETIF_TX,
};
/**
@@ -828,6 +834,8 @@
* a fq_flow which is already owned by a different tin
* @def_cvars: codel vars for @def_flow
* @frags: used to keep fragments created after dequeue
+ * @schedule_order: used with ieee80211_local->active_txqs
+ * @schedule_round: counter to prevent infinite loops on TXQ scheduling
*/
struct txq_info {
struct fq_tin tin;
@@ -835,6 +843,8 @@
struct codel_vars def_cvars;
struct codel_stats cstats;
struct sk_buff_head frags;
+ struct list_head schedule_order;
+ u16 schedule_round;
unsigned long flags;
/* keep last! */
@@ -1126,6 +1136,13 @@
struct codel_vars *cvars;
struct codel_params cparams;
+ /* protects active_txqs and txqi->schedule_order */
+ spinlock_t active_txq_lock[IEEE80211_NUM_ACS];
+ struct list_head active_txqs[IEEE80211_NUM_ACS];
+ u16 schedule_round[IEEE80211_NUM_ACS];
+
+ u16 airtime_flags;
+
const struct ieee80211_ops *ops;
/*
@@ -1198,6 +1215,9 @@
/* number of RX chains the hardware has */
u8 rx_chains;
+ /* bitmap of which sbands were copied */
+ u8 sband_allocated;
+
int tx_headroom; /* required headroom for hardware/radiotap */
/* Tasklet and skb queue to process calls from IRQ mode. All frames
@@ -1226,6 +1246,7 @@
struct sk_buff_head pending[IEEE80211_MAX_QUEUES];
struct tasklet_struct tx_pending_tasklet;
+ struct tasklet_struct wake_txqs_tasklet;
atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES];
@@ -1234,8 +1255,8 @@
struct rate_control_ref *rate_ctrl;
- struct crypto_cipher *wep_tx_tfm;
- struct crypto_cipher *wep_rx_tfm;
+ struct arc4_ctx wep_tx_ctx;
+ struct arc4_ctx wep_rx_ctx;
u32 wep_iv;
/* see iface.c */
@@ -1245,7 +1266,7 @@
/*
* Key mutex, protects sdata's key_list and sta_info's
- * key pointers (write access, they're RCU.)
+ * key pointers and ptk_idx (write access, they're RCU.)
*/
struct mutex key_mtx;
@@ -1360,6 +1381,7 @@
struct dentry *rcdir;
struct dentry *keys;
} debugfs;
+ bool force_tx_status;
#endif
/*
@@ -1410,7 +1432,7 @@
rcu_read_lock();
chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
- if (WARN_ON(!chanctx_conf)) {
+ if (WARN_ON_ONCE(!chanctx_conf)) {
rcu_read_unlock();
return NULL;
}
@@ -1429,6 +1451,7 @@
u8 ttl;
u16 pre_value;
u16 reason_code;
+ u32 max_switch_time;
};
/* Parsed Information Elements */
@@ -1457,6 +1480,7 @@
const struct ieee80211_meshconf_ie *mesh_config;
const u8 *he_cap;
const struct ieee80211_he_operation *he_operation;
+ const struct ieee80211_he_spr *he_spr;
const struct ieee80211_mu_edca_param_set *mu_edca_param_set;
const u8 *uora_element;
const u8 *mesh_id;
@@ -1469,6 +1493,7 @@
const struct ieee80211_channel_sw_ie *ch_switch_ie;
const struct ieee80211_ext_chansw_ie *ext_chansw_ie;
const struct ieee80211_wide_bw_chansw_ie *wide_bw_chansw_ie;
+ const u8 *max_channel_switch_time;
const u8 *country_elem;
const u8 *pwr_constr_elem;
const u8 *cisco_dtpc_elem;
@@ -1477,6 +1502,12 @@
const struct ieee80211_sec_chan_offs_ie *sec_chan_offs;
struct ieee80211_mesh_chansw_params_ie *mesh_chansw_params_ie;
const struct ieee80211_bss_max_idle_period_ie *max_idle_period_ie;
+ const struct ieee80211_multiple_bssid_configuration *mbssid_config_ie;
+ const struct ieee80211_bssid_index *bssid_index;
+ u8 max_bssid_indicator;
+ u8 dtim_count;
+ u8 dtim_period;
+ const struct ieee80211_addba_ext_ie *addba_ext_ie;
/* length of them, respectively */
u8 ext_capab_len;
@@ -1495,6 +1526,7 @@
u8 prep_len;
u8 perr_len;
u8 country_elem_len;
+ u8 bssid_index_len;
/* whether a parse error occurred while retrieving these elements */
bool parse_error;
@@ -1654,7 +1686,6 @@
struct ieee80211_rx_status *rx_status,
struct ieee80211_mgmt *mgmt,
size_t len,
- struct ieee802_11_elems *elems,
struct ieee80211_channel *channel);
void ieee80211_rx_bss_put(struct ieee80211_local *local,
struct ieee80211_bss *bss);
@@ -1729,7 +1760,8 @@
struct net_device *dev);
void __ieee80211_subif_start_xmit(struct sk_buff *skb,
struct net_device *dev,
- u32 info_flags);
+ u32 info_flags,
+ u32 ctrl_flags);
void ieee80211_purge_tx_queue(struct ieee80211_hw *hw,
struct sk_buff_head *skbs);
struct sk_buff *
@@ -1737,7 +1769,8 @@
struct sk_buff *skb, u32 info_flags);
void ieee80211_tx_monitor(struct ieee80211_local *local, struct sk_buff *skb,
struct ieee80211_supported_band *sband,
- int retry_count, int shift, bool send_to_cooked);
+ int retry_count, int shift, bool send_to_cooked,
+ struct ieee80211_tx_status *status);
void ieee80211_check_fast_xmit(struct sta_info *sta);
void ieee80211_check_fast_xmit_all(struct ieee80211_local *local);
@@ -1746,6 +1779,8 @@
int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev,
const u8 *buf, size_t len,
const u8 *dest, __be16 proto, bool unencrypted);
+int ieee80211_probe_mesh_link(struct wiphy *wiphy, struct net_device *dev,
+ const u8 *buf, size_t len);
/* HT */
void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata,
@@ -1772,7 +1807,8 @@
void ___ieee80211_start_rx_ba_session(struct sta_info *sta,
u8 dialog_token, u16 timeout,
u16 start_seq_num, u16 ba_policy, u16 tid,
- u16 buf_size, bool tx, bool auto_seq);
+ u16 buf_size, bool tx, bool auto_seq,
+ const struct ieee80211_addba_ext_ie *addbaext);
void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta,
enum ieee80211_agg_stop_reason reason);
void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata,
@@ -1837,6 +1873,13 @@
struct ieee80211_supported_band *sband,
const u8 *he_cap_ie, u8 he_cap_len,
struct sta_info *sta);
+void
+ieee80211_he_spr_ie_to_bss_conf(struct ieee80211_vif *vif,
+ const struct ieee80211_he_spr *he_spr_ie_elem);
+
+void
+ieee80211_he_op_ie_to_bss_conf(struct ieee80211_vif *vif,
+ const struct ieee80211_he_operation *he_op_ie_elem);
/* Spectrum management */
void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata,
@@ -1938,12 +1981,16 @@
u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
struct ieee802_11_elems *elems,
- u64 filter, u32 crc);
+ u64 filter, u32 crc, u8 *transmitter_bssid,
+ u8 *bss_bssid);
static inline void ieee802_11_parse_elems(const u8 *start, size_t len,
bool action,
- struct ieee802_11_elems *elems)
+ struct ieee802_11_elems *elems,
+ u8 *transmitter_bssid,
+ u8 *bss_bssid)
{
- ieee802_11_parse_elems_crc(start, len, action, elems, 0, 0);
+ ieee802_11_parse_elems_crc(start, len, action, elems, 0, 0,
+ transmitter_bssid, bss_bssid);
}
@@ -1999,6 +2046,13 @@
static inline bool ieee80211_can_run_worker(struct ieee80211_local *local)
{
/*
+ * It's unsafe to try to do any work during reconfigure flow.
+ * When the flow ends the work will be requeued.
+ */
+ if (local->in_reconfig)
+ return false;
+
+ /*
* If quiescing is set, we are racing with __ieee80211_suspend.
* __ieee80211_suspend flushes the workers after setting quiescing,
* and we check quiescing / suspended before enqueing new workers.
@@ -2038,13 +2092,15 @@
struct ieee80211_sub_if_data *sdata);
void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats,
struct txq_info *txqi);
+void ieee80211_wake_txqs(unsigned long data);
void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
u16 transaction, u16 auth_alg, u16 status,
const u8 *extra, size_t extra_len, const u8 *bssid,
const u8 *da, const u8 *key, u8 key_len, u8 key_idx,
u32 tx_flags);
void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata,
- const u8 *bssid, u16 stype, u16 reason,
+ const u8 *da, const u8 *bssid,
+ u16 stype, u16 reason,
bool send_frame, u8 *frame_buf);
enum {
@@ -2089,9 +2145,11 @@
u32 cap);
u8 *ieee80211_ie_build_vht_oper(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap,
const struct cfg80211_chan_def *chandef);
+u8 ieee80211_ie_len_he_cap(struct ieee80211_sub_if_data *sdata, u8 iftype);
u8 *ieee80211_ie_build_he_cap(u8 *pos,
const struct ieee80211_sta_he_cap *he_cap,
u8 *end);
+u8 *ieee80211_ie_build_he_oper(u8 *pos);
int ieee80211_parse_bitrates(struct cfg80211_chan_def *chandef,
const struct ieee80211_supported_band *sband,
const u8 *srates, int srates_len, u32 *rates);
@@ -2106,7 +2164,9 @@
/* channel management */
bool ieee80211_chandef_ht_oper(const struct ieee80211_ht_operation *ht_oper,
struct cfg80211_chan_def *chandef);
-bool ieee80211_chandef_vht_oper(const struct ieee80211_vht_operation *oper,
+bool ieee80211_chandef_vht_oper(struct ieee80211_hw *hw,
+ const struct ieee80211_vht_operation *oper,
+ const struct ieee80211_ht_operation *htop,
struct cfg80211_chan_def *chandef);
u32 ieee80211_chandef_downgrade(struct cfg80211_chan_def *c);
@@ -2183,6 +2243,9 @@
const u8 *addr);
void ieee80211_teardown_tdls_peers(struct ieee80211_sub_if_data *sdata);
void ieee80211_tdls_chsw_work(struct work_struct *wk);
+void ieee80211_tdls_handle_disconnect(struct ieee80211_sub_if_data *sdata,
+ const u8 *peer, u16 reason);
+const char *ieee80211_get_reason_code_string(u16 reason_code);
extern const struct ethtool_ops ieee80211_ethtool_ops;
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 5f3c81e..af8b092 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Interface handling
*
@@ -7,10 +8,7 @@
* Copyright 2008, Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright (c) 2016 Intel Deutschland GmbH
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
+ * Copyright (C) 2018 Intel Corporation
*/
#include <linux/slab.h>
#include <linux/kernel.h>
@@ -1132,8 +1130,7 @@
static u16 ieee80211_netdev_select_queue(struct net_device *dev,
struct sk_buff *skb,
- struct net_device *sb_dev,
- select_queue_fallback_t fallback)
+ struct net_device *sb_dev)
{
return ieee80211_select_queue(IEEE80211_DEV_TO_SUB_IF(dev), skb);
}
@@ -1178,8 +1175,7 @@
static u16 ieee80211_monitor_select_queue(struct net_device *dev,
struct sk_buff *skb,
- struct net_device *sb_dev,
- select_queue_fallback_t fallback)
+ struct net_device *sb_dev)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = sdata->local;
@@ -1763,13 +1759,13 @@
txq_size += sizeof(struct txq_info) +
local->hw.txq_data_size;
- if (local->ops->wake_tx_queue)
+ if (local->ops->wake_tx_queue) {
if_setup = ieee80211_if_setup_no_queue;
- else
+ } else {
if_setup = ieee80211_if_setup;
-
- if (local->hw.queues >= IEEE80211_NUM_ACS)
- txqs = IEEE80211_NUM_ACS;
+ if (local->hw.queues >= IEEE80211_NUM_ACS)
+ txqs = IEEE80211_NUM_ACS;
+ }
ndev = alloc_netdev_mqs(size + txq_size,
name, name_assign_type,
@@ -1801,7 +1797,7 @@
}
ieee80211_assign_perm_addr(local, ndev->perm_addr, type);
- if (params && is_valid_ether_addr(params->macaddr))
+ if (is_valid_ether_addr(params->macaddr))
memcpy(ndev->dev_addr, params->macaddr, ETH_ALEN);
else
memcpy(ndev->dev_addr, ndev->perm_addr, ETH_ALEN);
@@ -1870,11 +1866,9 @@
ieee80211_setup_sdata(sdata, type);
if (ndev) {
- if (params) {
- ndev->ieee80211_ptr->use_4addr = params->use_4addr;
- if (type == NL80211_IFTYPE_STATION)
- sdata->u.mgd.use_4addr = params->use_4addr;
- }
+ ndev->ieee80211_ptr->use_4addr = params->use_4addr;
+ if (type == NL80211_IFTYPE_STATION)
+ sdata->u.mgd.use_4addr = params->use_4addr;
ndev->features |= local->hw.netdev_features;
@@ -1882,7 +1876,7 @@
/* MTU range: 256 - 2304 */
ndev->min_mtu = 256;
- ndev->max_mtu = IEEE80211_MAX_DATA_LEN;
+ ndev->max_mtu = local->hw.max_mtu;
ret = register_netdevice(ndev);
if (ret) {
@@ -1909,6 +1903,9 @@
list_del_rcu(&sdata->list);
mutex_unlock(&sdata->local->iflist_mtx);
+ if (sdata->vif.txq)
+ ieee80211_txq_purge(sdata->local, to_txq_info(sdata->vif.txq));
+
synchronize_rcu();
if (sdata->dev) {
@@ -1951,6 +1948,8 @@
WARN(local->open_count, "%s: open count remains %d\n",
wiphy_name(local->hw.wiphy), local->open_count);
+ ieee80211_txq_teardown_flows(local);
+
mutex_lock(&local->iflist_mtx);
list_for_each_entry_safe(sdata, tmp, &local->interfaces, list) {
list_del(&sdata->list);
diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index c054ac8..0f889b9 100644
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2002-2005, Instant802 Networks, Inc.
* Copyright 2005-2006, Devicescape Software, Inc.
@@ -5,10 +6,7 @@
* Copyright 2007-2008 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright 2015-2017 Intel Deutschland GmbH
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
+ * Copyright 2018-2019 Intel Corporation
*/
#include <linux/if_ether.h>
@@ -140,6 +138,12 @@
* so clear that flag now to avoid trying to remove
* it again later.
*/
+ if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
+ !(key->conf.flags & (IEEE80211_KEY_FLAG_GENERATE_MMIC |
+ IEEE80211_KEY_FLAG_PUT_MIC_SPACE |
+ IEEE80211_KEY_FLAG_RESERVE_TAILROOM)))
+ increment_tailroom_need_count(sdata);
+
key->flags &= ~KEY_FLAG_UPLOADED_TO_HARDWARE;
return -EINVAL;
}
@@ -167,8 +171,10 @@
* The driver doesn't know anything about VLAN interfaces.
* Hence, don't send GTKs for VLAN interfaces to the driver.
*/
- if (!(key->conf.flags & IEEE80211_KEY_FLAG_PAIRWISE))
+ if (!(key->conf.flags & IEEE80211_KEY_FLAG_PAIRWISE)) {
+ ret = 1;
goto out_unsupported;
+ }
}
ret = drv_set_key(key->local, SET_KEY, sdata,
@@ -177,9 +183,9 @@
if (!ret) {
key->flags |= KEY_FLAG_UPLOADED_TO_HARDWARE;
- if (!((key->conf.flags & (IEEE80211_KEY_FLAG_GENERATE_MMIC |
- IEEE80211_KEY_FLAG_PUT_MIC_SPACE)) ||
- (key->conf.flags & IEEE80211_KEY_FLAG_RESERVE_TAILROOM)))
+ if (!(key->conf.flags & (IEEE80211_KEY_FLAG_GENERATE_MMIC |
+ IEEE80211_KEY_FLAG_PUT_MIC_SPACE |
+ IEEE80211_KEY_FLAG_RESERVE_TAILROOM)))
decrease_tailroom_need_count(sdata, 1);
WARN_ON((key->conf.flags & IEEE80211_KEY_FLAG_PUT_IV_SPACE) &&
@@ -213,11 +219,8 @@
/* all of these we can do in software - if driver can */
if (ret == 1)
return 0;
- if (ieee80211_hw_check(&key->local->hw, SW_CRYPTO_CONTROL)) {
- if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
- return 0;
+ if (ieee80211_hw_check(&key->local->hw, SW_CRYPTO_CONTROL))
return -EINVAL;
- }
return 0;
default:
return -EINVAL;
@@ -243,11 +246,12 @@
sta = key->sta;
sdata = key->sdata;
- if (!((key->conf.flags & (IEEE80211_KEY_FLAG_GENERATE_MMIC |
- IEEE80211_KEY_FLAG_PUT_MIC_SPACE)) ||
- (key->conf.flags & IEEE80211_KEY_FLAG_RESERVE_TAILROOM)))
+ if (!(key->conf.flags & (IEEE80211_KEY_FLAG_GENERATE_MMIC |
+ IEEE80211_KEY_FLAG_PUT_MIC_SPACE |
+ IEEE80211_KEY_FLAG_RESERVE_TAILROOM)))
increment_tailroom_need_count(sdata);
+ key->flags &= ~KEY_FLAG_UPLOADED_TO_HARDWARE;
ret = drv_set_key(key->local, DISABLE_KEY, sdata,
sta ? &sta->sta : NULL, &key->conf);
@@ -256,8 +260,81 @@
"failed to remove key (%d, %pM) from hardware (%d)\n",
key->conf.keyidx,
sta ? sta->sta.addr : bcast_addr, ret);
+}
- key->flags &= ~KEY_FLAG_UPLOADED_TO_HARDWARE;
+int ieee80211_set_tx_key(struct ieee80211_key *key)
+{
+ struct sta_info *sta = key->sta;
+ struct ieee80211_local *local = key->local;
+
+ assert_key_lock(local);
+
+ sta->ptk_idx = key->conf.keyidx;
+
+ if (!ieee80211_hw_check(&local->hw, AMPDU_KEYBORDER_SUPPORT))
+ clear_sta_flag(sta, WLAN_STA_BLOCK_BA);
+ ieee80211_check_fast_xmit(sta);
+
+ return 0;
+}
+
+static void ieee80211_pairwise_rekey(struct ieee80211_key *old,
+ struct ieee80211_key *new)
+{
+ struct ieee80211_local *local = new->local;
+ struct sta_info *sta = new->sta;
+ int i;
+
+ assert_key_lock(local);
+
+ if (new->conf.flags & IEEE80211_KEY_FLAG_NO_AUTO_TX) {
+ /* Extended Key ID key install, initial one or rekey */
+
+ if (sta->ptk_idx != INVALID_PTK_KEYIDX &&
+ !ieee80211_hw_check(&local->hw, AMPDU_KEYBORDER_SUPPORT)) {
+ /* Aggregation Sessions with Extended Key ID must not
+ * mix MPDUs with different keyIDs within one A-MPDU.
+ * Tear down running Tx aggregation sessions and block
+ * new Rx/Tx aggregation requests during rekey to
+ * ensure there are no A-MPDUs when the driver is not
+ * supporting A-MPDU key borders. (Blocking Tx only
+ * would be sufficient but WLAN_STA_BLOCK_BA gets the
+ * job done for the few ms we need it.)
+ */
+ set_sta_flag(sta, WLAN_STA_BLOCK_BA);
+ mutex_lock(&sta->ampdu_mlme.mtx);
+ for (i = 0; i < IEEE80211_NUM_TIDS; i++)
+ ___ieee80211_stop_tx_ba_session(sta, i,
+ AGG_STOP_LOCAL_REQUEST);
+ mutex_unlock(&sta->ampdu_mlme.mtx);
+ }
+ } else if (old) {
+ /* Rekey without Extended Key ID.
+ * Aggregation sessions are OK when running on SW crypto.
+ * A broken remote STA may cause issues not observed with HW
+ * crypto, though.
+ */
+ if (!(old->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
+ return;
+
+ /* Stop Tx till we are on the new key */
+ old->flags |= KEY_FLAG_TAINTED;
+ ieee80211_clear_fast_xmit(sta);
+ if (ieee80211_hw_check(&local->hw, AMPDU_AGGREGATION)) {
+ set_sta_flag(sta, WLAN_STA_BLOCK_BA);
+ ieee80211_sta_tear_down_BA_sessions(sta,
+ AGG_STOP_LOCAL_REQUEST);
+ }
+ if (!wiphy_ext_feature_isset(local->hw.wiphy,
+ NL80211_EXT_FEATURE_CAN_REPLACE_PTK0)) {
+ pr_warn_ratelimited("Rekeying PTK for STA %pM but driver can't safely do that.",
+ sta->sta.addr);
+ /* Flushing the driver queues *may* help prevent
+ * the clear text leaks and freezes.
+ */
+ ieee80211_flush_queues(local, old->sdata, false);
+ }
+ }
}
static void __ieee80211_set_default_key(struct ieee80211_sub_if_data *sdata,
@@ -315,39 +392,69 @@
mutex_unlock(&sdata->local->key_mtx);
}
-
-static void ieee80211_key_replace(struct ieee80211_sub_if_data *sdata,
+static int ieee80211_key_replace(struct ieee80211_sub_if_data *sdata,
struct sta_info *sta,
bool pairwise,
struct ieee80211_key *old,
struct ieee80211_key *new)
{
int idx;
+ int ret = 0;
bool defunikey, defmultikey, defmgmtkey;
/* caller must provide at least one old/new */
if (WARN_ON(!new && !old))
- return;
+ return 0;
if (new)
list_add_tail_rcu(&new->list, &sdata->key_list);
WARN_ON(new && old && new->conf.keyidx != old->conf.keyidx);
- if (old)
+ if (new && sta && pairwise) {
+ /* Unicast rekey needs special handling. With Extended Key ID
+ * old is still NULL for the first rekey.
+ */
+ ieee80211_pairwise_rekey(old, new);
+ }
+
+ if (old) {
idx = old->conf.keyidx;
- else
+
+ if (old->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) {
+ ieee80211_key_disable_hw_accel(old);
+
+ if (new)
+ ret = ieee80211_key_enable_hw_accel(new);
+ }
+ } else {
+ /* new must be provided in case old is not */
idx = new->conf.keyidx;
+ if (!new->local->wowlan)
+ ret = ieee80211_key_enable_hw_accel(new);
+ }
+
+ if (ret)
+ return ret;
if (sta) {
if (pairwise) {
rcu_assign_pointer(sta->ptk[idx], new);
- sta->ptk_idx = idx;
- ieee80211_check_fast_xmit(sta);
+ if (new &&
+ !(new->conf.flags & IEEE80211_KEY_FLAG_NO_AUTO_TX)) {
+ sta->ptk_idx = idx;
+ clear_sta_flag(sta, WLAN_STA_BLOCK_BA);
+ ieee80211_check_fast_xmit(sta);
+ }
} else {
rcu_assign_pointer(sta->gtk[idx], new);
}
- ieee80211_check_fast_rx(sta);
+ /* Only needed for transition from no key -> key.
+ * Still triggers unnecessary when using Extended Key ID
+ * and installing the second key ID the first time.
+ */
+ if (new && !old)
+ ieee80211_check_fast_rx(sta);
} else {
defunikey = old &&
old == key_mtx_dereference(sdata->local,
@@ -380,6 +487,8 @@
if (old)
list_del_rcu(&old->list);
+
+ return 0;
}
struct ieee80211_key *
@@ -575,9 +684,6 @@
static void __ieee80211_key_destroy(struct ieee80211_key *key,
bool delay_tailroom)
{
- if (key->local)
- ieee80211_key_disable_hw_accel(key);
-
if (key->local) {
struct ieee80211_sub_if_data *sdata = key->sdata;
@@ -654,7 +760,6 @@
struct ieee80211_sub_if_data *sdata,
struct sta_info *sta)
{
- struct ieee80211_local *local = sdata->local;
struct ieee80211_key *old_key;
int idx = key->conf.keyidx;
bool pairwise = key->conf.flags & IEEE80211_KEY_FLAG_PAIRWISE;
@@ -664,16 +769,33 @@
* can cause warnings to appear.
*/
bool delay_tailroom = sdata->vif.type == NL80211_IFTYPE_STATION;
- int ret;
+ int ret = -EOPNOTSUPP;
mutex_lock(&sdata->local->key_mtx);
- if (sta && pairwise)
+ if (sta && pairwise) {
+ struct ieee80211_key *alt_key;
+
old_key = key_mtx_dereference(sdata->local, sta->ptk[idx]);
- else if (sta)
+ alt_key = key_mtx_dereference(sdata->local, sta->ptk[idx ^ 1]);
+
+ /* The rekey code assumes that the old and new key are using
+ * the same cipher. Enforce the assumption for pairwise keys.
+ */
+ if ((alt_key && alt_key->conf.cipher != key->conf.cipher) ||
+ (old_key && old_key->conf.cipher != key->conf.cipher))
+ goto out;
+ } else if (sta) {
old_key = key_mtx_dereference(sdata->local, sta->gtk[idx]);
- else
+ } else {
old_key = key_mtx_dereference(sdata->local, sdata->keys[idx]);
+ }
+
+ /* Non-pairwise keys must also not switch the cipher on rekey */
+ if (!pairwise) {
+ if (old_key && old_key->conf.cipher != key->conf.cipher)
+ goto out;
+ }
/*
* Silently accept key re-installation without really installing the
@@ -691,17 +813,13 @@
increment_tailroom_need_count(sdata);
- ieee80211_key_replace(sdata, sta, pairwise, old_key, key);
- ieee80211_key_destroy(old_key, delay_tailroom);
+ ret = ieee80211_key_replace(sdata, sta, pairwise, old_key, key);
- ieee80211_debugfs_key_add(key);
-
- if (!local->wowlan) {
- ret = ieee80211_key_enable_hw_accel(key);
- if (ret)
- ieee80211_key_free(key, delay_tailroom);
+ if (!ret) {
+ ieee80211_debugfs_key_add(key);
+ ieee80211_key_destroy(old_key, delay_tailroom);
} else {
- ret = 0;
+ ieee80211_key_free(key, delay_tailroom);
}
out:
@@ -725,46 +843,30 @@
ieee80211_key_destroy(key, delay_tailroom);
}
-void ieee80211_enable_keys(struct ieee80211_sub_if_data *sdata)
+void ieee80211_reenable_keys(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_key *key;
struct ieee80211_sub_if_data *vlan;
ASSERT_RTNL();
- if (WARN_ON(!ieee80211_sdata_running(sdata)))
- return;
-
- mutex_lock(&sdata->local->key_mtx);
-
- WARN_ON_ONCE(sdata->crypto_tx_tailroom_needed_cnt ||
- sdata->crypto_tx_tailroom_pending_dec);
-
- if (sdata->vif.type == NL80211_IFTYPE_AP) {
- list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
- WARN_ON_ONCE(vlan->crypto_tx_tailroom_needed_cnt ||
- vlan->crypto_tx_tailroom_pending_dec);
- }
-
- list_for_each_entry(key, &sdata->key_list, list) {
- increment_tailroom_need_count(sdata);
- ieee80211_key_enable_hw_accel(key);
- }
-
- mutex_unlock(&sdata->local->key_mtx);
-}
-
-void ieee80211_reset_crypto_tx_tailroom(struct ieee80211_sub_if_data *sdata)
-{
- struct ieee80211_sub_if_data *vlan;
-
mutex_lock(&sdata->local->key_mtx);
sdata->crypto_tx_tailroom_needed_cnt = 0;
+ sdata->crypto_tx_tailroom_pending_dec = 0;
if (sdata->vif.type == NL80211_IFTYPE_AP) {
- list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
+ list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
vlan->crypto_tx_tailroom_needed_cnt = 0;
+ vlan->crypto_tx_tailroom_pending_dec = 0;
+ }
+ }
+
+ if (ieee80211_sdata_running(sdata)) {
+ list_for_each_entry(key, &sdata->key_list, list) {
+ increment_tailroom_need_count(sdata);
+ ieee80211_key_enable_hw_accel(key);
+ }
}
mutex_unlock(&sdata->local->key_mtx);
@@ -1117,9 +1219,9 @@
if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) {
key->flags &= ~KEY_FLAG_UPLOADED_TO_HARDWARE;
- if (!((key->conf.flags & (IEEE80211_KEY_FLAG_GENERATE_MMIC |
- IEEE80211_KEY_FLAG_PUT_MIC_SPACE)) ||
- (key->conf.flags & IEEE80211_KEY_FLAG_RESERVE_TAILROOM)))
+ if (!(key->conf.flags & (IEEE80211_KEY_FLAG_GENERATE_MMIC |
+ IEEE80211_KEY_FLAG_PUT_MIC_SPACE |
+ IEEE80211_KEY_FLAG_RESERVE_TAILROOM)))
increment_tailroom_need_count(key->sdata);
}
diff --git a/net/mac80211/key.h b/net/mac80211/key.h
index ebdb80b..d6d6e89 100644
--- a/net/mac80211/key.h
+++ b/net/mac80211/key.h
@@ -1,10 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright 2002-2004, Instant802 Networks, Inc.
* Copyright 2005, Devicescape Software, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
+ * Copyright (C) 2019 Intel Corporation
*/
#ifndef IEEE80211_KEY_H
@@ -14,10 +12,12 @@
#include <linux/list.h>
#include <linux/crypto.h>
#include <linux/rcupdate.h>
+#include <crypto/arc4.h>
#include <net/mac80211.h>
#define NUM_DEFAULT_KEYS 4
#define NUM_DEFAULT_MGMT_KEYS 2
+#define INVALID_PTK_KEYIDX 2 /* Keyidx always pointing to a NULL key for PTK */
struct ieee80211_local;
struct ieee80211_sub_if_data;
@@ -146,6 +146,7 @@
int ieee80211_key_link(struct ieee80211_key *key,
struct ieee80211_sub_if_data *sdata,
struct sta_info *sta);
+int ieee80211_set_tx_key(struct ieee80211_key *key);
void ieee80211_key_free(struct ieee80211_key *key, bool delay_tailroom);
void ieee80211_key_free_unused(struct ieee80211_key *key);
void ieee80211_set_default_key(struct ieee80211_sub_if_data *sdata, int idx,
@@ -156,8 +157,7 @@
bool force_synchronize);
void ieee80211_free_sta_keys(struct ieee80211_local *local,
struct sta_info *sta);
-void ieee80211_enable_keys(struct ieee80211_sub_if_data *sdata);
-void ieee80211_reset_crypto_tx_tailroom(struct ieee80211_sub_if_data *sdata);
+void ieee80211_reenable_keys(struct ieee80211_sub_if_data *sdata);
#define key_mtx_dereference(local, ref) \
rcu_dereference_protected(ref, lockdep_is_held(&((local)->key_mtx)))
diff --git a/net/mac80211/led.c b/net/mac80211/led.c
index d6c66fc..b275c88 100644
--- a/net/mac80211/led.c
+++ b/net/mac80211/led.c
@@ -1,9 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2006, Johannes Berg <johannes@sipsolutions.net>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
/* just for IFNAMSIZ */
diff --git a/net/mac80211/led.h b/net/mac80211/led.h
index a7893a1..fb3aaa3 100644
--- a/net/mac80211/led.h
+++ b/net/mac80211/led.h
@@ -1,9 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright 2006, Johannes Berg <johannes@sipsolutions.net>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/list.h>
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 5136278..2d05c4c 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -1,17 +1,16 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2002-2005, Instant802 Networks, Inc.
* Copyright 2005-2006, Devicescape Software, Inc.
* Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright (C) 2017 Intel Deutschland GmbH
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
+ * Copyright (C) 2018 - 2019 Intel Corporation
*/
#include <net/mac80211.h>
#include <linux/module.h>
+#include <linux/fips.h>
#include <linux/init.h>
#include <linux/netdevice.h>
#include <linux/types.h>
@@ -353,11 +352,11 @@
sdata_lock(sdata);
/* Copy the addresses to the bss_conf list */
- ifa = idev->ifa_list;
+ ifa = rtnl_dereference(idev->ifa_list);
while (ifa) {
if (c < IEEE80211_BSS_ARP_ADDR_LIST_LEN)
bss_conf->arp_addr_list[c] = ifa->ifa_address;
- ifa = ifa->ifa_next;
+ ifa = rtnl_dereference(ifa->ifa_next);
c++;
}
@@ -477,6 +476,8 @@
IEEE80211_HT_CAP_MAX_AMSDU |
IEEE80211_HT_CAP_SGI_20 |
IEEE80211_HT_CAP_SGI_40 |
+ IEEE80211_HT_CAP_TX_STBC |
+ IEEE80211_HT_CAP_RX_STBC |
IEEE80211_HT_CAP_LDPC_CODING |
IEEE80211_HT_CAP_40MHZ_INTOLERANT),
.mcs = {
@@ -610,6 +611,18 @@
local->ops = ops;
local->use_chanctx = use_chanctx;
+ /*
+ * We need a bit of data queued to build aggregates properly, so
+ * instruct the TCP stack to allow more than a single ms of data
+ * to be queued in the stack. The value is a bit-shift of 1
+ * second, so 7 is ~8ms of queued data. Only affects local TCP
+ * sockets.
+ * This is the default, anyhow - drivers may need to override it
+ * for local reasons (longer buffers, longer completion time, or
+ * similar).
+ */
+ local->hw.tx_sk_pacing_shift = 7;
+
/* set up some defaults */
local->hw.queues = 1;
local->hw.max_rates = 1;
@@ -626,6 +639,7 @@
IEEE80211_RADIOTAP_VHT_KNOWN_BANDWIDTH;
local->hw.uapsd_queues = IEEE80211_DEFAULT_UAPSD_QUEUES;
local->hw.uapsd_max_sp_len = IEEE80211_DEFAULT_MAX_SP_LEN;
+ local->hw.max_mtu = IEEE80211_MAX_DATA_LEN;
local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
wiphy->ht_capa_mod_mask = &mac80211_ht_capa_mod_mask;
wiphy->vht_capa_mod_mask = &mac80211_vht_capa_mod_mask;
@@ -650,6 +664,12 @@
spin_lock_init(&local->rx_path_lock);
spin_lock_init(&local->queue_stop_reason_lock);
+ for (i = 0; i < IEEE80211_NUM_ACS; i++) {
+ INIT_LIST_HEAD(&local->active_txqs[i]);
+ spin_lock_init(&local->active_txq_lock[i]);
+ }
+ local->airtime_flags = AIRTIME_USE_TX | AIRTIME_USE_RX;
+
INIT_LIST_HEAD(&local->chanctx_list);
mutex_init(&local->chanctx_mtx);
@@ -684,6 +704,10 @@
tasklet_init(&local->tx_pending_tasklet, ieee80211_tx_pending,
(unsigned long)local);
+ if (ops->wake_tx_queue)
+ tasklet_init(&local->wake_txqs_tasklet, ieee80211_wake_txqs,
+ (unsigned long)local);
+
tasklet_init(&local->tasklet,
ieee80211_tasklet_handler,
(unsigned long) local);
@@ -708,8 +732,7 @@
static int ieee80211_init_cipher_suites(struct ieee80211_local *local)
{
- bool have_wep = !(IS_ERR(local->wep_tx_tfm) ||
- IS_ERR(local->wep_rx_tfm));
+ bool have_wep = !fips_enabled; /* FIPS does not permit the use of RC4 */
bool have_mfp = ieee80211_hw_check(&local->hw, MFP_CAPABLE);
int n_suites = 0, r = 0, w = 0;
u32 *suites;
@@ -1026,6 +1049,16 @@
}
}
+ /* Mac80211 and therefore all drivers using SW crypto only
+ * are able to handle PTK rekeys and Extended Key ID.
+ */
+ if (!local->ops->set_key) {
+ wiphy_ext_feature_set(local->hw.wiphy,
+ NL80211_EXT_FEATURE_CAN_REPLACE_PTK0);
+ wiphy_ext_feature_set(local->hw.wiphy,
+ NL80211_EXT_FEATURE_EXT_KEY_ID);
+ }
+
/*
* Calculate scan IE length -- we need this to alloc
* memory and to subtract from the driver limit. It
@@ -1087,6 +1120,17 @@
if (ieee80211_hw_check(&local->hw, CHANCTX_STA_CSA))
local->ext_capa[0] |= WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING;
+ /* mac80211 supports multi BSSID, if the driver supports it */
+ if (ieee80211_hw_check(&local->hw, SUPPORTS_MULTI_BSSID)) {
+ local->hw.wiphy->support_mbssid = true;
+ if (ieee80211_hw_check(&local->hw,
+ SUPPORTS_ONLY_HE_MULTI_BSSID))
+ local->hw.wiphy->support_only_he_mbssid = true;
+ else
+ local->ext_capa[2] |=
+ WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT;
+ }
+
local->hw.wiphy->max_num_csa_counters = IEEE80211_MAX_CSA_COUNTERS_NUM;
result = wiphy_register(local->hw.wiphy);
@@ -1131,6 +1175,9 @@
if (!local->hw.max_nan_de_entries)
local->hw.max_nan_de_entries = IEEE80211_MAX_NAN_INSTANCE_ID;
+ if (!local->hw.weight_multiplier)
+ local->hw.weight_multiplier = 1;
+
result = ieee80211_wep_init(local);
if (result < 0)
wiphy_debug(local->hw.wiphy, "Failed to initialize wep: %d\n",
@@ -1154,11 +1201,60 @@
goto fail_rate;
}
+ if (local->rate_ctrl) {
+ clear_bit(IEEE80211_HW_SUPPORTS_VHT_EXT_NSS_BW, hw->flags);
+ if (local->rate_ctrl->ops->capa & RATE_CTRL_CAPA_VHT_EXT_NSS_BW)
+ ieee80211_hw_set(hw, SUPPORTS_VHT_EXT_NSS_BW);
+ }
+
+ /*
+ * If the VHT capabilities don't have IEEE80211_VHT_EXT_NSS_BW_CAPABLE,
+ * or have it when we don't, copy the sband structure and set/clear it.
+ * This is necessary because rate scaling algorithms could be switched
+ * and have different support values.
+ * Print a message so that in the common case the reallocation can be
+ * avoided.
+ */
+ BUILD_BUG_ON(NUM_NL80211_BANDS > 8 * sizeof(local->sband_allocated));
+ for (band = 0; band < NUM_NL80211_BANDS; band++) {
+ struct ieee80211_supported_band *sband;
+ bool local_cap, ie_cap;
+
+ local_cap = ieee80211_hw_check(hw, SUPPORTS_VHT_EXT_NSS_BW);
+
+ sband = local->hw.wiphy->bands[band];
+ if (!sband || !sband->vht_cap.vht_supported)
+ continue;
+
+ ie_cap = !!(sband->vht_cap.vht_mcs.tx_highest &
+ cpu_to_le16(IEEE80211_VHT_EXT_NSS_BW_CAPABLE));
+
+ if (local_cap == ie_cap)
+ continue;
+
+ sband = kmemdup(sband, sizeof(*sband), GFP_KERNEL);
+ if (!sband) {
+ result = -ENOMEM;
+ goto fail_rate;
+ }
+
+ wiphy_dbg(hw->wiphy, "copying sband (band %d) due to VHT EXT NSS BW flag\n",
+ band);
+
+ sband->vht_cap.vht_mcs.tx_highest ^=
+ cpu_to_le16(IEEE80211_VHT_EXT_NSS_BW_CAPABLE);
+
+ local->hw.wiphy->bands[band] = sband;
+ local->sband_allocated |= BIT(band);
+ }
+
/* add one default STA interface if supported */
if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_STATION) &&
!ieee80211_hw_check(hw, NO_AUTO_VIF)) {
+ struct vif_params params = {0};
+
result = ieee80211_if_add(local, "wlan%d", NET_NAME_ENUM, NULL,
- NL80211_IFTYPE_STATION, NULL);
+ NL80211_IFTYPE_STATION, ¶ms);
if (result)
wiphy_warn(local->hw.wiphy,
"Failed to add default virtual iface\n");
@@ -1196,10 +1292,8 @@
ieee80211_remove_interfaces(local);
fail_rate:
rtnl_unlock();
- ieee80211_led_exit(local);
- ieee80211_wep_free(local);
- ieee80211_txq_teardown_flows(local);
fail_flows:
+ ieee80211_led_exit(local);
destroy_workqueue(local->workqueue);
fail_workqueue:
wiphy_unregister(local->hw.wiphy);
@@ -1224,7 +1318,6 @@
#if IS_ENABLED(CONFIG_IPV6)
unregister_inet6addr_notifier(&local->ifa6_notifier);
#endif
- ieee80211_txq_teardown_flows(local);
rtnl_lock();
@@ -1256,7 +1349,6 @@
destroy_workqueue(local->workqueue);
wiphy_unregister(local->hw.wiphy);
- ieee80211_wep_free(local);
ieee80211_led_exit(local);
kfree(local->int_scan_req);
}
@@ -1272,6 +1364,7 @@
void ieee80211_free_hw(struct ieee80211_hw *hw)
{
struct ieee80211_local *local = hw_to_local(hw);
+ enum nl80211_band band;
mutex_destroy(&local->iflist_mtx);
mutex_destroy(&local->mtx);
@@ -1287,6 +1380,12 @@
ieee80211_free_led_names(local);
+ for (band = 0; band < NUM_NL80211_BANDS; band++) {
+ if (!(local->sband_allocated & BIT(band)))
+ continue;
+ kfree(local->hw.wiphy->bands[band]);
+ }
+
wiphy_free(local->hw.wiphy);
}
EXPORT_SYMBOL(ieee80211_free_hw);
@@ -1304,18 +1403,12 @@
if (ret)
return ret;
- ret = rc80211_minstrel_ht_init();
- if (ret)
- goto err_minstrel;
-
ret = ieee80211_iface_init();
if (ret)
goto err_netdev;
return 0;
err_netdev:
- rc80211_minstrel_ht_exit();
- err_minstrel:
rc80211_minstrel_exit();
return ret;
@@ -1323,7 +1416,6 @@
static void __exit ieee80211_exit(void)
{
- rc80211_minstrel_ht_exit();
rc80211_minstrel_exit();
ieee80211s_stop();
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index d51da26..d09b3c7 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -1,11 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2008, 2009 open80211s Ltd.
+ * Copyright (C) 2018 - 2019 Intel Corporation
* Authors: Luis Carlos Cobo <luisca@cozybit.com>
* Javier Cardona <javier@cozybit.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/slab.h>
@@ -98,7 +96,9 @@
cfg80211_chandef_create(&sta_chan_def, sdata->vif.bss_conf.chandef.chan,
NL80211_CHAN_NO_HT);
ieee80211_chandef_ht_oper(ie->ht_operation, &sta_chan_def);
- ieee80211_chandef_vht_oper(ie->vht_operation, &sta_chan_def);
+ ieee80211_chandef_vht_oper(&sdata->local->hw,
+ ie->vht_operation, ie->ht_operation,
+ &sta_chan_def);
if (!cfg80211_chandef_compatible(&sdata->vif.bss_conf.chandef,
&sta_chan_def))
@@ -251,6 +251,9 @@
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
u8 *pos, neighbors;
u8 meshconf_len = sizeof(struct ieee80211_meshconf_ie);
+ bool is_connected_to_gate = ifmsh->num_gates > 0 ||
+ ifmsh->mshcfg.dot11MeshGateAnnouncementProtocol ||
+ ifmsh->mshcfg.dot11MeshConnectedToMeshGate;
if (skb_tailroom(skb) < 2 + meshconf_len)
return -ENOMEM;
@@ -275,7 +278,7 @@
/* Mesh Formation Info - number of neighbors */
neighbors = atomic_read(&ifmsh->estab_plinks);
neighbors = min_t(int, neighbors, IEEE80211_MAX_MESH_PEERINGS);
- *pos++ = neighbors << 1;
+ *pos++ = (neighbors << 1) | is_connected_to_gate;
/* Mesh capability */
*pos = 0x00;
*pos |= ifmsh->mshcfg.dot11MeshForwarding ?
@@ -529,6 +532,61 @@
return 0;
}
+int mesh_add_he_cap_ie(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb, u8 ie_len)
+{
+ const struct ieee80211_sta_he_cap *he_cap;
+ struct ieee80211_supported_band *sband;
+ u8 *pos;
+
+ sband = ieee80211_get_sband(sdata);
+ if (!sband)
+ return -EINVAL;
+
+ he_cap = ieee80211_get_he_iftype_cap(sband, NL80211_IFTYPE_MESH_POINT);
+
+ if (!he_cap ||
+ sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT ||
+ sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_5 ||
+ sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_10)
+ return 0;
+
+ if (skb_tailroom(skb) < ie_len)
+ return -ENOMEM;
+
+ pos = skb_put(skb, ie_len);
+ ieee80211_ie_build_he_cap(pos, he_cap, pos + ie_len);
+
+ return 0;
+}
+
+int mesh_add_he_oper_ie(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb)
+{
+ const struct ieee80211_sta_he_cap *he_cap;
+ struct ieee80211_supported_band *sband;
+ u8 *pos;
+
+ sband = ieee80211_get_sband(sdata);
+ if (!sband)
+ return -EINVAL;
+
+ he_cap = ieee80211_get_he_iftype_cap(sband, NL80211_IFTYPE_MESH_POINT);
+ if (!he_cap ||
+ sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT ||
+ sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_5 ||
+ sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_10)
+ return 0;
+
+ if (skb_tailroom(skb) < 2 + 1 + sizeof(struct ieee80211_he_operation))
+ return -ENOMEM;
+
+ pos = skb_put(skb, 2 + 1 + sizeof(struct ieee80211_he_operation));
+ ieee80211_ie_build_he_oper(pos);
+
+ return 0;
+}
+
static void ieee80211_mesh_path_timer(struct timer_list *t)
{
struct ieee80211_sub_if_data *sdata =
@@ -674,6 +732,7 @@
struct ieee80211_chanctx_conf *chanctx_conf;
struct mesh_csa_settings *csa;
enum nl80211_band band;
+ u8 ie_len_he_cap;
u8 *pos;
struct ieee80211_sub_if_data *sdata;
int hdr_len = offsetofend(struct ieee80211_mgmt, u.beacon);
@@ -684,6 +743,8 @@
band = chanctx_conf->def.chan->band;
rcu_read_unlock();
+ ie_len_he_cap = ieee80211_ie_len_he_cap(sdata,
+ NL80211_IFTYPE_MESH_POINT);
head_len = hdr_len +
2 + /* NULL SSID */
/* Channel Switch Announcement */
@@ -703,6 +764,8 @@
2 + sizeof(__le16) + /* awake window */
2 + sizeof(struct ieee80211_vht_cap) +
2 + sizeof(struct ieee80211_vht_operation) +
+ ie_len_he_cap +
+ 2 + 1 + sizeof(struct ieee80211_he_operation) +
ifmsh->ie_len;
bcn = kzalloc(sizeof(*bcn) + head_len + tail_len, GFP_KERNEL);
@@ -820,6 +883,8 @@
mesh_add_awake_window_ie(sdata, skb) ||
mesh_add_vht_cap_ie(sdata, skb) ||
mesh_add_vht_oper_ie(sdata, skb) ||
+ mesh_add_he_cap_ie(sdata, skb, ie_len_he_cap) ||
+ mesh_add_he_oper_ie(sdata, skb) ||
mesh_add_vendor_ies(sdata, skb))
goto out_free;
@@ -923,6 +988,7 @@
/* flush STAs and mpaths on this iface */
sta_info_flush(sdata);
+ ieee80211_free_keys(sdata, true);
mesh_path_flush_by_iface(sdata);
/* stop the beacon */
@@ -1100,7 +1166,8 @@
if (baselen > len)
return;
- ieee802_11_parse_elems(pos, len - baselen, false, &elems);
+ ieee802_11_parse_elems(pos, len - baselen, false, &elems, mgmt->bssid,
+ NULL);
if (!elems.mesh_id)
return;
@@ -1164,7 +1231,7 @@
return;
ieee802_11_parse_elems(mgmt->u.probe_resp.variable, len - baselen,
- false, &elems);
+ false, &elems, mgmt->bssid, NULL);
/* ignore non-mesh or secure / unsecure mismatch */
if ((!elems.mesh_id || !elems.mesh_config) ||
@@ -1188,7 +1255,8 @@
if (!sdata->u.mesh.user_mpm ||
sdata->u.mesh.mshcfg.rssi_threshold == 0 ||
sdata->u.mesh.mshcfg.rssi_threshold < rx_status->signal)
- mesh_neighbour_update(sdata, mgmt->sa, &elems);
+ mesh_neighbour_update(sdata, mgmt->sa, &elems,
+ rx_status);
}
if (ifmsh->sync_ops)
@@ -1212,7 +1280,8 @@
ifmsh->chsw_ttl = 0;
/* Remove the CSA and MCSP elements from the beacon */
- tmp_csa_settings = rcu_dereference(ifmsh->csa);
+ tmp_csa_settings = rcu_dereference_protected(ifmsh->csa,
+ lockdep_is_held(&sdata->wdev.mtx));
RCU_INIT_POINTER(ifmsh->csa, NULL);
if (tmp_csa_settings)
kfree_rcu(tmp_csa_settings, rcu_head);
@@ -1234,6 +1303,8 @@
struct mesh_csa_settings *tmp_csa_settings;
int ret = 0;
+ lockdep_assert_held(&sdata->wdev.mtx);
+
tmp_csa_settings = kmalloc(sizeof(*tmp_csa_settings),
GFP_ATOMIC);
if (!tmp_csa_settings)
@@ -1299,7 +1370,8 @@
pos = mgmt->u.action.u.chan_switch.variable;
baselen = offsetof(struct ieee80211_mgmt,
u.action.u.chan_switch.variable);
- ieee802_11_parse_elems(pos, len - baselen, true, &elems);
+ ieee802_11_parse_elems(pos, len - baselen, true, &elems,
+ mgmt->bssid, NULL);
ifmsh->chsw_ttl = elems.mesh_chansw_params_ie->mesh_ttl;
if (!--ifmsh->chsw_ttl)
diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index 2152663..953f720 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2008, 2009 open80211s Ltd.
* Authors: Luis Carlos Cobo <luisca@cozybit.com>
* Javier Cardona <javier@cozybit.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef IEEE80211S_H
@@ -70,6 +67,7 @@
* @dst: mesh path destination mac address
* @mpp: mesh proxy mac address
* @rhash: rhashtable list pointer
+ * @walk_list: linked list containing all mesh_path objects.
* @gate_list: list pointer for known gates list
* @sdata: mesh subif
* @next_hop: mesh neighbor to which frames for this destination will be
@@ -94,6 +92,7 @@
* @last_preq_to_root: Timestamp of last PREQ sent to root
* @is_root: the destination station of this path is a root node
* @is_gate: the destination station of this path is a mesh gate
+ * @path_change_count: the number of path changes to destination
*
*
* The dst address is unique in the mesh path table. Since the mesh_path is
@@ -105,6 +104,7 @@
u8 dst[ETH_ALEN];
u8 mpp[ETH_ALEN]; /* used for MPP or MAP */
struct rhash_head rhash;
+ struct hlist_node walk_list;
struct hlist_node gate_list;
struct ieee80211_sub_if_data *sdata;
struct sta_info __rcu *next_hop;
@@ -124,6 +124,7 @@
unsigned long last_preq_to_root;
bool is_root;
bool is_gate;
+ u32 path_change_count;
};
/**
@@ -133,12 +134,16 @@
* gate's mpath may or may not be resolved and active.
* @gates_lock: protects updates to known_gates
* @rhead: the rhashtable containing struct mesh_paths, keyed by dest addr
+ * @walk_head: linked list containging all mesh_path objects
+ * @walk_lock: lock protecting walk_head
* @entries: number of entries in the table
*/
struct mesh_table {
struct hlist_head known_gates;
spinlock_t gates_lock;
struct rhashtable rhead;
+ struct hlist_head walk_head;
+ spinlock_t walk_lock;
atomic_t entries; /* Up to MAX_MESH_NEIGHBOURS */
};
@@ -213,6 +218,10 @@
struct sk_buff *skb);
int mesh_add_vht_oper_ie(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb);
+int mesh_add_he_cap_ie(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb, u8 ie_len);
+int mesh_add_he_oper_ie(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb);
void mesh_rmc_free(struct ieee80211_sub_if_data *sdata);
int mesh_rmc_init(struct ieee80211_sub_if_data *sdata);
void ieee80211s_init(void);
@@ -270,10 +279,13 @@
int mesh_path_add_gate(struct mesh_path *mpath);
int mesh_path_send_to_gates(struct mesh_path *mpath);
int mesh_gate_num(struct ieee80211_sub_if_data *sdata);
+u32 airtime_link_metric_get(struct ieee80211_local *local,
+ struct sta_info *sta);
/* Mesh plinks */
void mesh_neighbour_update(struct ieee80211_sub_if_data *sdata,
- u8 *hw_addr, struct ieee802_11_elems *ie);
+ u8 *hw_addr, struct ieee802_11_elems *ie,
+ struct ieee80211_rx_status *rx_status);
bool mesh_peer_accepts_plinks(struct ieee802_11_elems *ie);
u32 mesh_accept_plinks_update(struct ieee80211_sub_if_data *sdata);
void mesh_plink_timer(struct timer_list *t);
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index 6950cd0..68af623 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -1,10 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2008, 2009 open80211s Ltd.
+ * Copyright (C) 2019 Intel Corporation
* Author: Luis Carlos Cobo <luisca@cozybit.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/slab.h>
@@ -300,6 +298,7 @@
{
struct ieee80211_tx_info *txinfo = st->info;
int failed;
+ struct rate_info rinfo;
failed = !(txinfo->flags & IEEE80211_TX_STAT_ACK);
@@ -310,12 +309,15 @@
if (ewma_mesh_fail_avg_read(&sta->mesh->fail_avg) >
LINK_FAIL_THRESH)
mesh_plink_broken(sta);
+
+ sta_set_rate_info_tx(sta, &sta->tx_stats.last_rate, &rinfo);
+ ewma_mesh_tx_rate_avg_add(&sta->mesh->tx_rate_avg,
+ cfg80211_calculate_bitrate(&rinfo));
}
-static u32 airtime_link_metric_get(struct ieee80211_local *local,
- struct sta_info *sta)
+u32 airtime_link_metric_get(struct ieee80211_local *local,
+ struct sta_info *sta)
{
- struct rate_info rinfo;
/* This should be adjusted for each device */
int device_constant = 1 << ARITH_SHIFT;
int test_frame_len = TEST_FRAME_LEN << ARITH_SHIFT;
@@ -339,8 +341,7 @@
if (fail_avg > LINK_FAIL_THRESH)
return MAX_METRIC;
- sta_set_rate_info_tx(sta, &sta->tx_stats.last_rate, &rinfo);
- rate = cfg80211_calculate_bitrate(&rinfo);
+ rate = ewma_mesh_tx_rate_avg_read(&sta->mesh->tx_rate_avg);
if (WARN_ON(!rate))
return MAX_METRIC;
@@ -386,6 +387,7 @@
unsigned long orig_lifetime, exp_time;
u32 last_hop_metric, new_metric;
bool process = true;
+ u8 hopcount;
rcu_read_lock();
sta = sta_info_get(sdata, mgmt->sa);
@@ -404,6 +406,7 @@
orig_sn = PREQ_IE_ORIG_SN(hwmp_ie);
orig_lifetime = PREQ_IE_LIFETIME(hwmp_ie);
orig_metric = PREQ_IE_METRIC(hwmp_ie);
+ hopcount = PREQ_IE_HOPCOUNT(hwmp_ie) + 1;
break;
case MPATH_PREP:
/* Originator here refers to the MP that was the target in the
@@ -415,6 +418,7 @@
orig_sn = PREP_IE_TARGET_SN(hwmp_ie);
orig_lifetime = PREP_IE_LIFETIME(hwmp_ie);
orig_metric = PREP_IE_METRIC(hwmp_ie);
+ hopcount = PREP_IE_HOPCOUNT(hwmp_ie) + 1;
break;
default:
rcu_read_unlock();
@@ -441,7 +445,10 @@
(mpath->flags & MESH_PATH_SN_VALID)) {
if (SN_GT(mpath->sn, orig_sn) ||
(mpath->sn == orig_sn &&
- new_metric >= mpath->metric)) {
+ (rcu_access_pointer(mpath->next_hop) !=
+ sta ?
+ mult_frac(new_metric, 10, 9) :
+ new_metric) >= mpath->metric)) {
process = false;
fresh_info = false;
}
@@ -476,12 +483,15 @@
}
if (fresh_info) {
+ if (rcu_access_pointer(mpath->next_hop) != sta)
+ mpath->path_change_count++;
mesh_path_assign_nexthop(mpath, sta);
mpath->flags |= MESH_PATH_SN_VALID;
mpath->metric = new_metric;
mpath->sn = orig_sn;
mpath->exp_time = time_after(mpath->exp_time, exp_time)
? mpath->exp_time : exp_time;
+ mpath->hop_count = hopcount;
mesh_path_activate(mpath);
spin_unlock_bh(&mpath->state_lock);
ewma_mesh_fail_avg_init(&sta->mesh->fail_avg);
@@ -506,8 +516,10 @@
if (mpath) {
spin_lock_bh(&mpath->state_lock);
if ((mpath->flags & MESH_PATH_FIXED) ||
- ((mpath->flags & MESH_PATH_ACTIVE) &&
- (last_hop_metric > mpath->metric)))
+ ((mpath->flags & MESH_PATH_ACTIVE) &&
+ ((rcu_access_pointer(mpath->next_hop) != sta ?
+ mult_frac(last_hop_metric, 10, 9) :
+ last_hop_metric) > mpath->metric)))
fresh_info = false;
} else {
mpath = mesh_path_add(sdata, ta);
@@ -519,10 +531,13 @@
}
if (fresh_info) {
+ if (rcu_access_pointer(mpath->next_hop) != sta)
+ mpath->path_change_count++;
mesh_path_assign_nexthop(mpath, sta);
mpath->metric = last_hop_metric;
mpath->exp_time = time_after(mpath->exp_time, exp_time)
? mpath->exp_time : exp_time;
+ mpath->hop_count = 1;
mesh_path_activate(mpath);
spin_unlock_bh(&mpath->state_lock);
ewma_mesh_fail_avg_init(&sta->mesh->fail_avg);
@@ -909,7 +924,7 @@
baselen = (u8 *) mgmt->u.action.u.mesh_action.variable - (u8 *) mgmt;
ieee802_11_parse_elems(mgmt->u.action.u.mesh_action.variable,
- len - baselen, false, &elems);
+ len - baselen, false, &elems, mgmt->bssid, NULL);
if (elems.preq) {
if (elems.preq_len != 37)
@@ -1112,16 +1127,17 @@
struct mesh_path *mpath;
struct sk_buff *skb_to_free = NULL;
u8 *target_addr = hdr->addr3;
- int err = 0;
/* Nulls are only sent to peers for PS and should be pre-addressed */
if (ieee80211_is_qos_nullfunc(hdr->frame_control))
return 0;
- rcu_read_lock();
- err = mesh_nexthop_lookup(sdata, skb);
- if (!err)
- goto endlookup;
+ /* Allow injected packets to bypass mesh routing */
+ if (info->control.flags & IEEE80211_TX_CTRL_SKIP_MPATH_LOOKUP)
+ return 0;
+
+ if (!mesh_nexthop_lookup(sdata, skb))
+ return 0;
/* no nexthop found, start resolving */
mpath = mesh_path_lookup(sdata, target_addr);
@@ -1129,8 +1145,7 @@
mpath = mesh_path_add(sdata, target_addr);
if (IS_ERR(mpath)) {
mesh_path_discard_frame(sdata, skb);
- err = PTR_ERR(mpath);
- goto endlookup;
+ return PTR_ERR(mpath);
}
}
@@ -1143,13 +1158,10 @@
info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING;
ieee80211_set_qos_hdr(sdata, skb);
skb_queue_tail(&mpath->frame_queue, skb);
- err = -ENOENT;
if (skb_to_free)
mesh_path_discard_frame(sdata, skb_to_free);
-endlookup:
- rcu_read_unlock();
- return err;
+ return -ENOENT;
}
/**
@@ -1169,13 +1181,10 @@
struct sta_info *next_hop;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
u8 *target_addr = hdr->addr3;
- int err = -ENOENT;
- rcu_read_lock();
mpath = mesh_path_lookup(sdata, target_addr);
-
if (!mpath || !(mpath->flags & MESH_PATH_ACTIVE))
- goto endlookup;
+ return -ENOENT;
if (time_after(jiffies,
mpath->exp_time -
@@ -1190,12 +1199,10 @@
memcpy(hdr->addr1, next_hop->sta.addr, ETH_ALEN);
memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
ieee80211_mps_set_frame_flags(sdata, next_hop, hdr);
- err = 0;
+ return 0;
}
-endlookup:
- rcu_read_unlock();
- return err;
+ return -ENOENT;
}
void mesh_path_timer(struct timer_list *t)
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c
index a512562..117519b 100644
--- a/net/mac80211/mesh_pathtbl.c
+++ b/net/mac80211/mesh_pathtbl.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2008, 2009 open80211s Ltd.
* Author: Luis Carlos Cobo <luisca@cozybit.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/etherdevice.h>
@@ -23,7 +20,7 @@
static u32 mesh_table_hash(const void *addr, u32 len, u32 seed)
{
/* Use last four bytes of hw addr as hash index */
- return jhash_1word(*(u32 *)(addr+2), seed);
+ return jhash_1word(__get_unaligned_cpu32((u8 *)addr + 2), seed);
}
static const struct rhashtable_params mesh_rht_params = {
@@ -59,8 +56,10 @@
return NULL;
INIT_HLIST_HEAD(&newtbl->known_gates);
+ INIT_HLIST_HEAD(&newtbl->walk_head);
atomic_set(&newtbl->entries, 0);
spin_lock_init(&newtbl->gates_lock);
+ spin_lock_init(&newtbl->walk_lock);
return newtbl;
}
@@ -215,7 +214,7 @@
{
struct mesh_path *mpath;
- mpath = rhashtable_lookup_fast(&tbl->rhead, dst, mesh_rht_params);
+ mpath = rhashtable_lookup(&tbl->rhead, dst, mesh_rht_params);
if (mpath && mpath_expired(mpath)) {
spin_lock_bh(&mpath->state_lock);
@@ -249,28 +248,15 @@
static struct mesh_path *
__mesh_path_lookup_by_idx(struct mesh_table *tbl, int idx)
{
- int i = 0, ret;
- struct mesh_path *mpath = NULL;
- struct rhashtable_iter iter;
+ int i = 0;
+ struct mesh_path *mpath;
- ret = rhashtable_walk_init(&tbl->rhead, &iter, GFP_ATOMIC);
- if (ret)
- return NULL;
-
- rhashtable_walk_start(&iter);
-
- while ((mpath = rhashtable_walk_next(&iter))) {
- if (IS_ERR(mpath) && PTR_ERR(mpath) == -EAGAIN)
- continue;
- if (IS_ERR(mpath))
- break;
+ hlist_for_each_entry_rcu(mpath, &tbl->walk_head, walk_list) {
if (i++ == idx)
break;
}
- rhashtable_walk_stop(&iter);
- rhashtable_walk_exit(&iter);
- if (IS_ERR(mpath) || !mpath)
+ if (!mpath)
return NULL;
if (mpath_expired(mpath)) {
@@ -415,7 +401,6 @@
{
struct mesh_table *tbl;
struct mesh_path *mpath, *new_mpath;
- int ret;
if (ether_addr_equal(dst, sdata->vif.addr))
/* never add ourselves as neighbours */
@@ -432,29 +417,23 @@
return ERR_PTR(-ENOMEM);
tbl = sdata->u.mesh.mesh_paths;
- do {
- ret = rhashtable_lookup_insert_fast(&tbl->rhead,
- &new_mpath->rhash,
- mesh_rht_params);
+ spin_lock_bh(&tbl->walk_lock);
+ mpath = rhashtable_lookup_get_insert_fast(&tbl->rhead,
+ &new_mpath->rhash,
+ mesh_rht_params);
+ if (!mpath)
+ hlist_add_head(&new_mpath->walk_list, &tbl->walk_head);
+ spin_unlock_bh(&tbl->walk_lock);
- if (ret == -EEXIST)
- mpath = rhashtable_lookup_fast(&tbl->rhead,
- dst,
- mesh_rht_params);
-
- } while (unlikely(ret == -EEXIST && !mpath));
-
- if (ret && ret != -EEXIST)
- return ERR_PTR(ret);
-
- /* At this point either new_mpath was added, or we found a
- * matching entry already in the table; in the latter case
- * free the unnecessary new entry.
- */
- if (ret == -EEXIST) {
+ if (mpath) {
kfree(new_mpath);
+
+ if (IS_ERR(mpath))
+ return mpath;
+
new_mpath = mpath;
}
+
sdata->u.mesh.mesh_paths_generation++;
return new_mpath;
}
@@ -480,9 +459,17 @@
memcpy(new_mpath->mpp, mpp, ETH_ALEN);
tbl = sdata->u.mesh.mpp_paths;
+
+ spin_lock_bh(&tbl->walk_lock);
ret = rhashtable_lookup_insert_fast(&tbl->rhead,
&new_mpath->rhash,
mesh_rht_params);
+ if (!ret)
+ hlist_add_head_rcu(&new_mpath->walk_list, &tbl->walk_head);
+ spin_unlock_bh(&tbl->walk_lock);
+
+ if (ret)
+ kfree(new_mpath);
sdata->u.mesh.mpp_paths_generation++;
return ret;
@@ -503,20 +490,9 @@
struct mesh_table *tbl = sdata->u.mesh.mesh_paths;
static const u8 bcast[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
struct mesh_path *mpath;
- struct rhashtable_iter iter;
- int ret;
- ret = rhashtable_walk_init(&tbl->rhead, &iter, GFP_ATOMIC);
- if (ret)
- return;
-
- rhashtable_walk_start(&iter);
-
- while ((mpath = rhashtable_walk_next(&iter))) {
- if (IS_ERR(mpath) && PTR_ERR(mpath) == -EAGAIN)
- continue;
- if (IS_ERR(mpath))
- break;
+ rcu_read_lock();
+ hlist_for_each_entry_rcu(mpath, &tbl->walk_head, walk_list) {
if (rcu_access_pointer(mpath->next_hop) == sta &&
mpath->flags & MESH_PATH_ACTIVE &&
!(mpath->flags & MESH_PATH_FIXED)) {
@@ -530,8 +506,7 @@
WLAN_REASON_MESH_PATH_DEST_UNREACHABLE, bcast);
}
}
- rhashtable_walk_stop(&iter);
- rhashtable_walk_exit(&iter);
+ rcu_read_unlock();
}
static void mesh_path_free_rcu(struct mesh_table *tbl,
@@ -551,6 +526,7 @@
static void __mesh_path_del(struct mesh_table *tbl, struct mesh_path *mpath)
{
+ hlist_del_rcu(&mpath->walk_list);
rhashtable_remove_fast(&tbl->rhead, &mpath->rhash, mesh_rht_params);
mesh_path_free_rcu(tbl, mpath);
}
@@ -571,27 +547,14 @@
struct ieee80211_sub_if_data *sdata = sta->sdata;
struct mesh_table *tbl = sdata->u.mesh.mesh_paths;
struct mesh_path *mpath;
- struct rhashtable_iter iter;
- int ret;
+ struct hlist_node *n;
- ret = rhashtable_walk_init(&tbl->rhead, &iter, GFP_ATOMIC);
- if (ret)
- return;
-
- rhashtable_walk_start(&iter);
-
- while ((mpath = rhashtable_walk_next(&iter))) {
- if (IS_ERR(mpath) && PTR_ERR(mpath) == -EAGAIN)
- continue;
- if (IS_ERR(mpath))
- break;
-
+ spin_lock_bh(&tbl->walk_lock);
+ hlist_for_each_entry_safe(mpath, n, &tbl->walk_head, walk_list) {
if (rcu_access_pointer(mpath->next_hop) == sta)
__mesh_path_del(tbl, mpath);
}
-
- rhashtable_walk_stop(&iter);
- rhashtable_walk_exit(&iter);
+ spin_unlock_bh(&tbl->walk_lock);
}
static void mpp_flush_by_proxy(struct ieee80211_sub_if_data *sdata,
@@ -599,51 +562,26 @@
{
struct mesh_table *tbl = sdata->u.mesh.mpp_paths;
struct mesh_path *mpath;
- struct rhashtable_iter iter;
- int ret;
+ struct hlist_node *n;
- ret = rhashtable_walk_init(&tbl->rhead, &iter, GFP_ATOMIC);
- if (ret)
- return;
-
- rhashtable_walk_start(&iter);
-
- while ((mpath = rhashtable_walk_next(&iter))) {
- if (IS_ERR(mpath) && PTR_ERR(mpath) == -EAGAIN)
- continue;
- if (IS_ERR(mpath))
- break;
-
+ spin_lock_bh(&tbl->walk_lock);
+ hlist_for_each_entry_safe(mpath, n, &tbl->walk_head, walk_list) {
if (ether_addr_equal(mpath->mpp, proxy))
__mesh_path_del(tbl, mpath);
}
-
- rhashtable_walk_stop(&iter);
- rhashtable_walk_exit(&iter);
+ spin_unlock_bh(&tbl->walk_lock);
}
static void table_flush_by_iface(struct mesh_table *tbl)
{
struct mesh_path *mpath;
- struct rhashtable_iter iter;
- int ret;
+ struct hlist_node *n;
- ret = rhashtable_walk_init(&tbl->rhead, &iter, GFP_ATOMIC);
- if (ret)
- return;
-
- rhashtable_walk_start(&iter);
-
- while ((mpath = rhashtable_walk_next(&iter))) {
- if (IS_ERR(mpath) && PTR_ERR(mpath) == -EAGAIN)
- continue;
- if (IS_ERR(mpath))
- break;
+ spin_lock_bh(&tbl->walk_lock);
+ hlist_for_each_entry_safe(mpath, n, &tbl->walk_head, walk_list) {
__mesh_path_del(tbl, mpath);
}
-
- rhashtable_walk_stop(&iter);
- rhashtable_walk_exit(&iter);
+ spin_unlock_bh(&tbl->walk_lock);
}
/**
@@ -675,15 +613,15 @@
{
struct mesh_path *mpath;
- rcu_read_lock();
+ spin_lock_bh(&tbl->walk_lock);
mpath = rhashtable_lookup_fast(&tbl->rhead, addr, mesh_rht_params);
if (!mpath) {
- rcu_read_unlock();
+ spin_unlock_bh(&tbl->walk_lock);
return -ENXIO;
}
__mesh_path_del(tbl, mpath);
- rcu_read_unlock();
+ spin_unlock_bh(&tbl->walk_lock);
return 0;
}
@@ -854,28 +792,16 @@
struct mesh_table *tbl)
{
struct mesh_path *mpath;
- struct rhashtable_iter iter;
- int ret;
+ struct hlist_node *n;
- ret = rhashtable_walk_init(&tbl->rhead, &iter, GFP_KERNEL);
- if (ret)
- return;
-
- rhashtable_walk_start(&iter);
-
- while ((mpath = rhashtable_walk_next(&iter))) {
- if (IS_ERR(mpath) && PTR_ERR(mpath) == -EAGAIN)
- continue;
- if (IS_ERR(mpath))
- break;
+ spin_lock_bh(&tbl->walk_lock);
+ hlist_for_each_entry_safe(mpath, n, &tbl->walk_head, walk_list) {
if ((!(mpath->flags & MESH_PATH_RESOLVING)) &&
(!(mpath->flags & MESH_PATH_FIXED)) &&
time_after(jiffies, mpath->exp_time + MESH_PATH_EXPIRE))
__mesh_path_del(tbl, mpath);
}
-
- rhashtable_walk_stop(&iter);
- rhashtable_walk_exit(&iter);
+ spin_unlock_bh(&tbl->walk_lock);
}
void mesh_path_expire(struct ieee80211_sub_if_data *sdata)
diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c
index 5b5b0f9..737c5f4 100644
--- a/net/mac80211/mesh_plink.c
+++ b/net/mac80211/mesh_plink.c
@@ -1,10 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2008, 2009 open80211s Ltd.
+ * Copyright (C) 2019 Intel Corporation
* Author: Luis Carlos Cobo <luisca@cozybit.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/gfp.h>
#include <linux/kernel.h>
@@ -220,9 +218,12 @@
bool include_plid = false;
u16 peering_proto = 0;
u8 *pos, ie_len = 4;
+ u8 ie_len_he_cap;
int hdr_len = offsetofend(struct ieee80211_mgmt, u.action.u.self_prot);
int err = -ENOMEM;
+ ie_len_he_cap = ieee80211_ie_len_he_cap(sdata,
+ NL80211_IFTYPE_MESH_POINT);
skb = dev_alloc_skb(local->tx_headroom +
hdr_len +
2 + /* capability info */
@@ -235,6 +236,8 @@
2 + sizeof(struct ieee80211_ht_operation) +
2 + sizeof(struct ieee80211_vht_cap) +
2 + sizeof(struct ieee80211_vht_operation) +
+ ie_len_he_cap +
+ 2 + 1 + sizeof(struct ieee80211_he_operation) +
2 + 8 + /* peering IE */
sdata->u.mesh.ie_len);
if (!skb)
@@ -323,7 +326,9 @@
if (mesh_add_ht_cap_ie(sdata, skb) ||
mesh_add_ht_oper_ie(sdata, skb) ||
mesh_add_vht_cap_ie(sdata, skb) ||
- mesh_add_vht_oper_ie(sdata, skb))
+ mesh_add_vht_oper_ie(sdata, skb) ||
+ mesh_add_he_cap_ie(sdata, skb, ie_len_he_cap) ||
+ mesh_add_he_oper_ie(sdata, skb))
goto free;
}
@@ -435,6 +440,9 @@
ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
elems->vht_cap_elem, sta);
+ ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband, elems->he_cap,
+ elems->he_cap_len, sta);
+
if (bw != sta->sta.bandwidth)
changed |= IEEE80211_RC_BW_CHANGED;
@@ -513,7 +521,8 @@
static struct sta_info *
mesh_sta_info_alloc(struct ieee80211_sub_if_data *sdata, u8 *addr,
- struct ieee802_11_elems *elems)
+ struct ieee802_11_elems *elems,
+ struct ieee80211_rx_status *rx_status)
{
struct sta_info *sta = NULL;
@@ -521,11 +530,17 @@
if (sdata->u.mesh.user_mpm ||
sdata->u.mesh.security & IEEE80211_MESH_SEC_AUTHED) {
if (mesh_peer_accepts_plinks(elems) &&
- mesh_plink_availables(sdata))
+ mesh_plink_availables(sdata)) {
+ int sig = 0;
+
+ if (ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
+ sig = rx_status->signal;
+
cfg80211_notify_new_peer_candidate(sdata->dev, addr,
elems->ie_start,
elems->total_len,
- GFP_KERNEL);
+ sig, GFP_KERNEL);
+ }
} else
sta = __mesh_sta_info_alloc(sdata, addr);
@@ -538,13 +553,15 @@
* @sdata: local meshif
* @addr: peer's address
* @elems: IEs from beacon or mesh peering frame.
+ * @rx_status: rx status for the frame for signal reporting
*
* Return existing or newly allocated sta_info under RCU read lock.
* (re)initialize with given IEs.
*/
static struct sta_info *
mesh_sta_info_get(struct ieee80211_sub_if_data *sdata,
- u8 *addr, struct ieee802_11_elems *elems) __acquires(RCU)
+ u8 *addr, struct ieee802_11_elems *elems,
+ struct ieee80211_rx_status *rx_status) __acquires(RCU)
{
struct sta_info *sta = NULL;
@@ -555,7 +572,7 @@
} else {
rcu_read_unlock();
/* can't run atomic */
- sta = mesh_sta_info_alloc(sdata, addr, elems);
+ sta = mesh_sta_info_alloc(sdata, addr, elems, rx_status);
if (!sta) {
rcu_read_lock();
return NULL;
@@ -576,20 +593,25 @@
* @sdata: local meshif
* @addr: peer's address
* @elems: IEs from beacon or mesh peering frame
+ * @rx_status: rx status for the frame for signal reporting
*
* Initiates peering if appropriate.
*/
void mesh_neighbour_update(struct ieee80211_sub_if_data *sdata,
u8 *hw_addr,
- struct ieee802_11_elems *elems)
+ struct ieee802_11_elems *elems,
+ struct ieee80211_rx_status *rx_status)
{
struct sta_info *sta;
u32 changed = 0;
- sta = mesh_sta_info_get(sdata, hw_addr, elems);
+ sta = mesh_sta_info_get(sdata, hw_addr, elems, rx_status);
if (!sta)
goto out;
+ sta->mesh->connected_to_gate = elems->mesh_config->meshconf_form &
+ IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE;
+
if (mesh_peer_accepts_plinks(elems) &&
sta->mesh->plink_state == NL80211_PLINK_LISTEN &&
sdata->u.mesh.accepting_plinks &&
@@ -1069,7 +1091,8 @@
static void
mesh_process_plink_frame(struct ieee80211_sub_if_data *sdata,
struct ieee80211_mgmt *mgmt,
- struct ieee802_11_elems *elems)
+ struct ieee802_11_elems *elems,
+ struct ieee80211_rx_status *rx_status)
{
struct sta_info *sta;
@@ -1134,7 +1157,7 @@
if (event == OPN_ACPT) {
rcu_read_unlock();
/* allocate sta entry if necessary and update info */
- sta = mesh_sta_info_get(sdata, mgmt->sa, elems);
+ sta = mesh_sta_info_get(sdata, mgmt->sa, elems, rx_status);
if (!sta) {
mpl_dbg(sdata, "Mesh plink: failed to init peer!\n");
goto unlock_rcu;
@@ -1199,6 +1222,7 @@
if (baselen > len)
return;
}
- ieee802_11_parse_elems(baseaddr, len - baselen, true, &elems);
- mesh_process_plink_frame(sdata, mgmt, &elems);
+ ieee802_11_parse_elems(baseaddr, len - baselen, true, &elems,
+ mgmt->bssid, NULL);
+ mesh_process_plink_frame(sdata, mgmt, &elems, rx_status);
}
diff --git a/net/mac80211/mesh_ps.c b/net/mac80211/mesh_ps.c
index d8cd914..031e905 100644
--- a/net/mac80211/mesh_ps.c
+++ b/net/mac80211/mesh_ps.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2012-2013, Marco Porsch <marco.porsch@s2005.tu-chemnitz.de>
* Copyright 2012-2013, cozybit Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include "mesh.h"
diff --git a/net/mac80211/mesh_sync.c b/net/mac80211/mesh_sync.c
index a435f09..fde93de 100644
--- a/net/mac80211/mesh_sync.c
+++ b/net/mac80211/mesh_sync.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2011-2012, Pavel Zubarev <pavel.zubarev@gmail.com>
* Copyright 2011-2012, Marco Porsch <marco.porsch@s2005.tu-chemnitz.de>
* Copyright 2011-2012, cozybit Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include "ieee80211_i.h"
diff --git a/net/mac80211/michael.c b/net/mac80211/michael.c
index 37e1727..a57502d 100644
--- a/net/mac80211/michael.c
+++ b/net/mac80211/michael.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Michael MIC implementation - optimized for TKIP MIC operations
* Copyright 2002-2003, Instant802 Networks, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/types.h>
#include <linux/bitops.h>
diff --git a/net/mac80211/michael.h b/net/mac80211/michael.h
index 0e4886f..a7fdb8e 100644
--- a/net/mac80211/michael.h
+++ b/net/mac80211/michael.h
@@ -1,10 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Michael MIC implementation - optimized for TKIP MIC operations
* Copyright 2002-2003, Instant802 Networks, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef MICHAEL_H
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 3dbecae..54dd884 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* BSS client mode implementation
* Copyright 2003-2008, Jouni Malinen <j@w1.fi>
@@ -7,14 +8,11 @@
* Copyright 2007, Michael Wu <flamingice@sourmilk.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright (C) 2015 - 2017 Intel Deutschland GmbH
- * Copyright (C) 2018 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
+ * Copyright (C) 2018 - 2019 Intel Corporation
*/
#include <linux/delay.h>
+#include <linux/fips.h>
#include <linux/if_ether.h>
#include <linux/skbuff.h>
#include <linux/if_arp.h>
@@ -160,10 +158,10 @@
memcpy(&sta_ht_cap, &sband->ht_cap, sizeof(sta_ht_cap));
ieee80211_apply_htcap_overrides(sdata, &sta_ht_cap);
+ memset(chandef, 0, sizeof(struct cfg80211_chan_def));
chandef->chan = channel;
chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
chandef->center_freq1 = channel->center_freq;
- chandef->center_freq2 = 0;
if (!ht_oper || !sta_ht_cap.ht_supported) {
ret = IEEE80211_STA_DISABLE_HT | IEEE80211_STA_DISABLE_VHT;
@@ -220,7 +218,8 @@
memcpy(&he_oper_vht_cap, he_oper->optional, 3);
he_oper_vht_cap.basic_mcs_set = cpu_to_le16(0);
- if (!ieee80211_chandef_vht_oper(&he_oper_vht_cap,
+ if (!ieee80211_chandef_vht_oper(&sdata->local->hw,
+ &he_oper_vht_cap, ht_oper,
&vht_chandef)) {
if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HE))
sdata_info(sdata,
@@ -228,7 +227,8 @@
ret = IEEE80211_STA_DISABLE_HE;
goto out;
}
- } else if (!ieee80211_chandef_vht_oper(vht_oper, &vht_chandef)) {
+ } else if (!ieee80211_chandef_vht_oper(&sdata->local->hw, vht_oper,
+ ht_oper, &vht_chandef)) {
if (!(ifmgd->flags & IEEE80211_STA_DISABLE_VHT))
sdata_info(sdata,
"AP VHT information is invalid, disable VHT\n");
@@ -642,7 +642,7 @@
struct ieee80211_mgd_assoc_data *assoc_data = ifmgd->assoc_data;
struct sk_buff *skb;
struct ieee80211_mgmt *mgmt;
- u8 *pos, qos_info;
+ u8 *pos, qos_info, *ie_start;
size_t offset = 0, noffset;
int i, count, rates_len, supp_rates_len, shift;
u16 capab;
@@ -750,6 +750,7 @@
/* SSID */
pos = skb_put(skb, 2 + assoc_data->ssid_len);
+ ie_start = pos;
*pos++ = WLAN_EID_SSID;
*pos++ = assoc_data->ssid_len;
memcpy(pos, assoc_data->ssid, assoc_data->ssid_len);
@@ -811,6 +812,21 @@
}
}
+ /* Set MBSSID support for HE AP if needed */
+ if (ieee80211_hw_check(&local->hw, SUPPORTS_ONLY_HE_MULTI_BSSID) &&
+ !(ifmgd->flags & IEEE80211_STA_DISABLE_HE) && assoc_data->ie_len) {
+ struct element *elem;
+
+ /* we know it's writable, cast away the const */
+ elem = (void *)cfg80211_find_elem(WLAN_EID_EXT_CAPABILITY,
+ assoc_data->ie,
+ assoc_data->ie_len);
+
+ /* We can probably assume both always true */
+ if (elem && elem->datalen >= 3)
+ elem->data[2] |= WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT;
+ }
+
/* if present, add any custom IEs that go before HT */
if (assoc_data->ie_len) {
static const u8 before_ht[] = {
@@ -914,6 +930,15 @@
ieee80211_add_vht_ie(sdata, skb, sband,
&assoc_data->ap_vht_cap);
+ /*
+ * If AP doesn't support HT, mark HE as disabled.
+ * If on the 5GHz band, make sure it supports VHT.
+ */
+ if (ifmgd->flags & IEEE80211_STA_DISABLE_HT ||
+ (sband->band == NL80211_BAND_5GHZ &&
+ ifmgd->flags & IEEE80211_STA_DISABLE_VHT))
+ ifmgd->flags |= IEEE80211_STA_DISABLE_HE;
+
if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HE))
ieee80211_add_he_ie(sdata, skb, sband);
@@ -950,6 +975,11 @@
return;
}
+ pos = skb_tail_pointer(skb);
+ kfree(ifmgd->assoc_req_ies);
+ ifmgd->assoc_req_ies = kmemdup(ie_start, pos - ie_start, GFP_ATOMIC);
+ ifmgd->assoc_req_ies_len = pos - ie_start;
+
drv_mgd_prepare_tx(local, sdata, 0);
IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
@@ -1156,9 +1186,6 @@
goto out;
}
- /* XXX: shouldn't really modify cfg80211-owned data! */
- ifmgd->associated->channel = sdata->csa_chandef.chan;
-
ifmgd->csa_waiting_bcn = true;
ieee80211_sta_reset_beacon_monitor(sdata);
@@ -1227,6 +1254,32 @@
}
static void
+ieee80211_sta_abort_chanswitch(struct ieee80211_sub_if_data *sdata)
+{
+ struct ieee80211_local *local = sdata->local;
+
+ if (!local->ops->abort_channel_switch)
+ return;
+
+ mutex_lock(&local->mtx);
+
+ mutex_lock(&local->chanctx_mtx);
+ ieee80211_vif_unreserve_chanctx(sdata);
+ mutex_unlock(&local->chanctx_mtx);
+
+ if (sdata->csa_block_tx)
+ ieee80211_wake_vif_queues(local, sdata,
+ IEEE80211_QUEUE_STOP_REASON_CSA);
+
+ sdata->csa_block_tx = false;
+ sdata->vif.csa_active = false;
+
+ mutex_unlock(&local->mtx);
+
+ drv_abort_channel_switch(sdata);
+}
+
+static void
ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
u64 timestamp, u32 device_timestamp,
struct ieee802_11_elems *elems,
@@ -1250,19 +1303,36 @@
if (local->scanning)
return;
- /* disregard subsequent announcements if we are already processing */
- if (sdata->vif.csa_active)
- return;
-
current_band = cbss->channel->band;
res = ieee80211_parse_ch_switch_ie(sdata, elems, current_band,
ifmgd->flags,
ifmgd->associated->bssid, &csa_ie);
- if (res < 0)
+
+ if (!res) {
+ ch_switch.timestamp = timestamp;
+ ch_switch.device_timestamp = device_timestamp;
+ ch_switch.block_tx = beacon ? csa_ie.mode : 0;
+ ch_switch.chandef = csa_ie.chandef;
+ ch_switch.count = csa_ie.count;
+ ch_switch.delay = csa_ie.max_switch_time;
+ }
+
+ if (res < 0) {
ieee80211_queue_work(&local->hw,
&ifmgd->csa_connection_drop_work);
- if (res)
return;
+ }
+
+ if (beacon && sdata->vif.csa_active && !ifmgd->csa_waiting_bcn) {
+ if (res)
+ ieee80211_sta_abort_chanswitch(sdata);
+ else
+ drv_channel_switch_rx_beacon(sdata, &ch_switch);
+ return;
+ } else if (sdata->vif.csa_active || res) {
+ /* disregard subsequent announcements if already processing */
+ return;
+ }
if (!cfg80211_chandef_usable(local->hw.wiphy, &csa_ie.chandef,
IEEE80211_CHAN_DISABLED)) {
@@ -1278,7 +1348,8 @@
}
if (cfg80211_chandef_identical(&csa_ie.chandef,
- &sdata->vif.bss_conf.chandef)) {
+ &sdata->vif.bss_conf.chandef) &&
+ (!csa_ie.mode || !beacon)) {
if (ifmgd->csa_ignored_same_chan)
return;
sdata_info(sdata,
@@ -1315,12 +1386,6 @@
goto drop_connection;
}
- ch_switch.timestamp = timestamp;
- ch_switch.device_timestamp = device_timestamp;
- ch_switch.block_tx = csa_ie.mode;
- ch_switch.chandef = csa_ie.chandef;
- ch_switch.count = csa_ie.count;
-
if (drv_pre_channel_switch(sdata, &ch_switch)) {
sdata_info(sdata,
"preparing for channel switch failed, disconnecting\n");
@@ -1339,7 +1404,7 @@
sdata->vif.csa_active = true;
sdata->csa_chandef = csa_ie.chandef;
- sdata->csa_block_tx = csa_ie.mode;
+ sdata->csa_block_tx = ch_switch.block_tx;
ifmgd->csa_ignored_same_chan = false;
if (sdata->csa_block_tx)
@@ -1373,7 +1438,7 @@
* reset when the disconnection worker runs.
*/
sdata->vif.csa_active = true;
- sdata->csa_block_tx = csa_ie.mode;
+ sdata->csa_block_tx = ch_switch.block_tx;
ieee80211_queue_work(&local->hw, &ifmgd->csa_connection_drop_work);
mutex_unlock(&local->chanctx_mtx);
@@ -1867,7 +1932,7 @@
struct ieee80211_tx_queue_params params[IEEE80211_NUM_ACS];
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
size_t left;
- int count, ac;
+ int count, mu_edca_count, ac;
const u8 *pos;
u8 uapsd_queues = 0;
@@ -1887,9 +1952,16 @@
uapsd_queues = ifmgd->uapsd_queues;
count = wmm_param[6] & 0x0f;
- if (count == ifmgd->wmm_last_param_set)
+ /* -1 is the initial value of ifmgd->mu_edca_last_param_set.
+ * if mu_edca was preset before and now it disappeared tell
+ * the driver about it.
+ */
+ mu_edca_count = mu_edca ? mu_edca->mu_qos_info & 0x0f : -1;
+ if (count == ifmgd->wmm_last_param_set &&
+ mu_edca_count == ifmgd->mu_edca_last_param_set)
return false;
ifmgd->wmm_last_param_set = count;
+ ifmgd->mu_edca_last_param_set = mu_edca_count;
pos = wmm_param + 8;
left = wmm_param_len - 8;
@@ -1970,6 +2042,16 @@
ieee80211_regulatory_limit_wmm_params(sdata, ¶ms[ac], ac);
}
+ /* WMM specification requires all 4 ACIs. */
+ for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
+ if (params[ac].cw_min == 0) {
+ sdata_info(sdata,
+ "AP has invalid WMM params (missing AC %d), using defaults\n",
+ ac);
+ return false;
+ }
+ }
+
for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
mlme_dbg(sdata,
"WMM AC=%d acm=%d aifs=%d cWmin=%d cWmax=%d txop=%d uapsd=%d, downgraded=%d\n",
@@ -2196,8 +2278,9 @@
!ifmgd->have_beacon)
drv_mgd_prepare_tx(sdata->local, sdata, 0);
- ieee80211_send_deauth_disassoc(sdata, ifmgd->bssid, stype,
- reason, tx, frame_buf);
+ ieee80211_send_deauth_disassoc(sdata, ifmgd->bssid,
+ ifmgd->bssid, stype, reason,
+ tx, frame_buf);
}
/* flush out frame - make sure the deauth was actually sent */
@@ -2440,7 +2523,10 @@
if (ieee80211_hw_check(&sdata->local->hw, REPORTS_TX_ACK_STATUS)) {
ifmgd->nullfunc_failed = false;
- ieee80211_send_nullfunc(sdata->local, sdata, false);
+ if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HE))
+ ifmgd->probe_send_count--;
+ else
+ ieee80211_send_nullfunc(sdata->local, sdata, false);
} else {
int ssid_len;
@@ -2547,7 +2633,8 @@
rcu_read_lock();
ssid = ieee80211_bss_get_ie(cbss, WLAN_EID_SSID);
- if (WARN_ON_ONCE(ssid == NULL))
+ if (WARN_ONCE(!ssid || ssid[1] > IEEE80211_MAX_SSID_LEN,
+ "invalid SSID element (len=%d)", ssid ? ssid[1] : -1))
ssid_len = 0;
else
ssid_len = ssid[1];
@@ -2744,7 +2831,8 @@
u32 tx_flags = 0;
pos = mgmt->u.auth.variable;
- ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), false, &elems);
+ ieee802_11_parse_elems(pos, len - (pos - (u8 *)mgmt), false, &elems,
+ mgmt->bssid, auth_data->bss->bssid);
if (!elems.challenge)
return;
auth_data->expected_transaction = 4;
@@ -2759,13 +2847,44 @@
auth_data->key_idx, tx_flags);
}
+static bool ieee80211_mark_sta_auth(struct ieee80211_sub_if_data *sdata,
+ const u8 *bssid)
+{
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+ struct sta_info *sta;
+ bool result = true;
+
+ sdata_info(sdata, "authenticated\n");
+ ifmgd->auth_data->done = true;
+ ifmgd->auth_data->timeout = jiffies + IEEE80211_AUTH_WAIT_ASSOC;
+ ifmgd->auth_data->timeout_started = true;
+ run_again(sdata, ifmgd->auth_data->timeout);
+
+ /* move station state to auth */
+ mutex_lock(&sdata->local->sta_mtx);
+ sta = sta_info_get(sdata, bssid);
+ if (!sta) {
+ WARN_ONCE(1, "%s: STA %pM not found", sdata->name, bssid);
+ result = false;
+ goto out;
+ }
+ if (sta_info_move_state(sta, IEEE80211_STA_AUTH)) {
+ sdata_info(sdata, "failed moving %pM to auth\n", bssid);
+ result = false;
+ goto out;
+ }
+
+out:
+ mutex_unlock(&sdata->local->sta_mtx);
+ return result;
+}
+
static void ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata,
struct ieee80211_mgmt *mgmt, size_t len)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
u8 bssid[ETH_ALEN];
u16 auth_alg, auth_transaction, status_code;
- struct sta_info *sta;
struct ieee80211_event event = {
.type = MLME_EVENT,
.u.mlme.data = AUTH_EVENT,
@@ -2789,7 +2908,11 @@
status_code = le16_to_cpu(mgmt->u.auth.status_code);
if (auth_alg != ifmgd->auth_data->algorithm ||
- auth_transaction != ifmgd->auth_data->expected_transaction) {
+ (auth_alg != WLAN_AUTH_SAE &&
+ auth_transaction != ifmgd->auth_data->expected_transaction) ||
+ (auth_alg == WLAN_AUTH_SAE &&
+ (auth_transaction < ifmgd->auth_data->expected_transaction ||
+ auth_transaction > 2))) {
sdata_info(sdata, "%pM unexpected authentication state: alg %d (expected %d) transact %d (expected %d)\n",
mgmt->sa, auth_alg, ifmgd->auth_data->algorithm,
auth_transaction,
@@ -2832,35 +2955,17 @@
event.u.mlme.status = MLME_SUCCESS;
drv_event_callback(sdata->local, sdata, &event);
- sdata_info(sdata, "authenticated\n");
- ifmgd->auth_data->done = true;
- ifmgd->auth_data->timeout = jiffies + IEEE80211_AUTH_WAIT_ASSOC;
- ifmgd->auth_data->timeout_started = true;
- run_again(sdata, ifmgd->auth_data->timeout);
-
- if (ifmgd->auth_data->algorithm == WLAN_AUTH_SAE &&
- ifmgd->auth_data->expected_transaction != 2) {
- /*
- * Report auth frame to user space for processing since another
- * round of Authentication frames is still needed.
- */
- cfg80211_rx_mlme_mgmt(sdata->dev, (u8 *)mgmt, len);
- return;
+ if (ifmgd->auth_data->algorithm != WLAN_AUTH_SAE ||
+ (auth_transaction == 2 &&
+ ifmgd->auth_data->expected_transaction == 2)) {
+ if (!ieee80211_mark_sta_auth(sdata, bssid))
+ goto out_err;
+ } else if (ifmgd->auth_data->algorithm == WLAN_AUTH_SAE &&
+ auth_transaction == 2) {
+ sdata_info(sdata, "SAE peer confirmed\n");
+ ifmgd->auth_data->peer_confirmed = true;
}
- /* move station state to auth */
- mutex_lock(&sdata->local->sta_mtx);
- sta = sta_info_get(sdata, bssid);
- if (!sta) {
- WARN_ONCE(1, "%s: STA %pM not found", sdata->name, bssid);
- goto out_err;
- }
- if (sta_info_move_state(sta, IEEE80211_STA_AUTH)) {
- sdata_info(sdata, "failed moving %pM to auth\n", bssid);
- goto out_err;
- }
- mutex_unlock(&sdata->local->sta_mtx);
-
cfg80211_rx_mlme_mgmt(sdata->dev, (u8 *)mgmt, len);
return;
out_err:
@@ -2871,7 +2976,7 @@
#define case_WLAN(type) \
case WLAN_REASON_##type: return #type
-static const char *ieee80211_get_reason_code_string(u16 reason_code)
+const char *ieee80211_get_reason_code_string(u16 reason_code)
{
switch (reason_code) {
case_WLAN(UNSPECIFIED);
@@ -2936,6 +3041,11 @@
if (len < 24 + 2)
return;
+ if (!ether_addr_equal(mgmt->bssid, mgmt->sa)) {
+ ieee80211_tdls_handle_disconnect(sdata, mgmt->sa, reason_code);
+ return;
+ }
+
if (ifmgd->associated &&
ether_addr_equal(mgmt->bssid, ifmgd->associated->bssid)) {
const u8 *bssid = ifmgd->associated->bssid;
@@ -2985,6 +3095,11 @@
reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code);
+ if (!ether_addr_equal(mgmt->bssid, mgmt->sa)) {
+ ieee80211_tdls_handle_disconnect(sdata, mgmt->sa, reason_code);
+ return;
+ }
+
sdata_info(sdata, "disassociated from %pM (Reason: %u=%s)\n",
mgmt->sa, reason_code,
ieee80211_get_reason_code_string(reason_code));
@@ -3043,6 +3158,32 @@
}
}
+static bool ieee80211_twt_req_supported(const struct sta_info *sta,
+ const struct ieee802_11_elems *elems)
+{
+ if (elems->ext_capab_len < 10)
+ return false;
+
+ if (!(elems->ext_capab[9] & WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT))
+ return false;
+
+ return sta->sta.he_cap.he_cap_elem.mac_cap_info[0] &
+ IEEE80211_HE_MAC_CAP0_TWT_RES;
+}
+
+static int ieee80211_recalc_twt_req(struct ieee80211_sub_if_data *sdata,
+ struct sta_info *sta,
+ struct ieee802_11_elems *elems)
+{
+ bool twt = ieee80211_twt_req_supported(sta, elems);
+
+ if (sdata->vif.bss_conf.twt_requester != twt) {
+ sdata->vif.bss_conf.twt_requester = twt;
+ return BSS_CHANGED_TWT;
+ }
+ return 0;
+}
+
static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
struct cfg80211_bss *cbss,
struct ieee80211_mgmt *mgmt, size_t len)
@@ -3082,7 +3223,8 @@
}
pos = mgmt->u.assoc_resp.variable;
- ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), false, &elems);
+ ieee802_11_parse_elems(pos, len - (pos - (u8 *)mgmt), false, &elems,
+ mgmt->bssid, assoc_data->bss->bssid);
if (!elems.supp_rates) {
sdata_info(sdata, "no SuppRates element in AssocResp\n");
@@ -3119,7 +3261,9 @@
return false;
ieee802_11_parse_elems(bss_ies->data, bss_ies->len,
- false, &bss_elems);
+ false, &bss_elems,
+ mgmt->bssid,
+ assoc_data->bss->bssid);
if (assoc_data->wmm &&
!elems.wmm_param && bss_elems.wmm_param) {
elems.wmm_param = bss_elems.wmm_param;
@@ -3196,16 +3340,6 @@
goto out;
}
- /*
- * If AP doesn't support HT, or it doesn't have HE mandatory IEs, mark
- * HE as disabled. If on the 5GHz band, make sure it supports VHT.
- */
- if (ifmgd->flags & IEEE80211_STA_DISABLE_HT ||
- (sband->band == NL80211_BAND_5GHZ &&
- ifmgd->flags & IEEE80211_STA_DISABLE_VHT) ||
- (!elems.he_cap && !elems.he_operation))
- ifmgd->flags |= IEEE80211_STA_DISABLE_HE;
-
if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HE) &&
(!elems.he_cap || !elems.he_operation)) {
mutex_unlock(&sdata->local->sta_mtx);
@@ -3232,24 +3366,23 @@
sta);
bss_conf->he_support = sta->sta.he_cap.has_he;
+ changed |= ieee80211_recalc_twt_req(sdata, sta, &elems);
} else {
bss_conf->he_support = false;
+ bss_conf->twt_requester = false;
}
if (bss_conf->he_support) {
- u32 he_oper_params =
- le32_to_cpu(elems.he_operation->he_oper_params);
+ bss_conf->bss_color =
+ le32_get_bits(elems.he_operation->he_oper_params,
+ IEEE80211_HE_OPERATION_BSS_COLOR_MASK);
- bss_conf->bss_color = he_oper_params &
- IEEE80211_HE_OPERATION_BSS_COLOR_MASK;
bss_conf->htc_trig_based_pkt_ext =
- (he_oper_params &
- IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK) <<
- IEEE80211_HE_OPERATION_DFLT_PE_DURATION_OFFSET;
+ le32_get_bits(elems.he_operation->he_oper_params,
+ IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK);
bss_conf->frame_time_rts_th =
- (he_oper_params &
- IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK) <<
- IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET;
+ le32_get_bits(elems.he_operation->he_oper_params,
+ IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK);
bss_conf->multi_sta_back_32bit =
sta->sta.he_cap.he_cap_elem.mac_cap_info[2] &
@@ -3263,9 +3396,19 @@
if (elems.uora_element)
bss_conf->uora_ocw_range = elems.uora_element[0];
+ ieee80211_he_op_ie_to_bss_conf(&sdata->vif, elems.he_operation);
+ ieee80211_he_spr_ie_to_bss_conf(&sdata->vif, elems.he_spr);
/* TODO: OPEN: what happens if BSS color disable is set? */
}
+ if (cbss->transmitted_bss) {
+ bss_conf->nontransmitted = true;
+ ether_addr_copy(bss_conf->transmitter_bssid,
+ cbss->transmitted_bss->bssid);
+ bss_conf->bssid_indicator = cbss->max_bssid_indicator;
+ bss_conf->bssid_index = cbss->bssid_index;
+ }
+
/*
* Some APs, e.g. Netgear WNDR3700, report invalid HT operation data
* in their association response, so ignore that data for our own
@@ -3321,6 +3464,7 @@
* 4-bit value.
*/
ifmgd->wmm_last_param_set = -1;
+ ifmgd->mu_edca_last_param_set = -1;
if (ifmgd->flags & IEEE80211_STA_DISABLE_WMM) {
ieee80211_set_wmm_default(sdata, false, false);
@@ -3425,7 +3569,8 @@
return;
pos = mgmt->u.assoc_resp.variable;
- ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), false, &elems);
+ ieee802_11_parse_elems(pos, len - (pos - (u8 *)mgmt), false, &elems,
+ mgmt->bssid, assoc_data->bss->bssid);
if (status_code == WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY &&
elems.timeout_int &&
@@ -3477,13 +3622,13 @@
uapsd_queues |= ieee80211_ac_to_qos_mask[ac];
}
- cfg80211_rx_assoc_resp(sdata->dev, bss, (u8 *)mgmt, len, uapsd_queues);
+ cfg80211_rx_assoc_resp(sdata->dev, bss, (u8 *)mgmt, len, uapsd_queues,
+ ifmgd->assoc_req_ies, ifmgd->assoc_req_ies_len);
}
static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
struct ieee80211_mgmt *mgmt, size_t len,
- struct ieee80211_rx_status *rx_status,
- struct ieee802_11_elems *elems)
+ struct ieee80211_rx_status *rx_status)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_bss *bss;
@@ -3495,8 +3640,7 @@
if (!channel)
return;
- bss = ieee80211_bss_info_update(local, rx_status, mgmt, len, elems,
- channel);
+ bss = ieee80211_bss_info_update(local, rx_status, mgmt, len, channel);
if (bss) {
sdata->vif.bss_conf.beacon_rate = bss->beacon_rate;
ieee80211_rx_bss_put(local, bss);
@@ -3511,7 +3655,6 @@
struct ieee80211_if_managed *ifmgd;
struct ieee80211_rx_status *rx_status = (void *) skb->cb;
size_t baselen, len = skb->len;
- struct ieee802_11_elems elems;
ifmgd = &sdata->u.mgd;
@@ -3524,10 +3667,7 @@
if (baselen > len)
return;
- ieee802_11_parse_elems(mgmt->u.probe_resp.variable, len - baselen,
- false, &elems);
-
- ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems);
+ ieee80211_rx_bss_info(sdata, mgmt, len, rx_status);
if (ifmgd->associated &&
ether_addr_equal(mgmt->bssid, ifmgd->associated->bssid))
@@ -3654,6 +3794,16 @@
}
}
+static bool ieee80211_rx_our_beacon(const u8 *tx_bssid,
+ struct cfg80211_bss *bss)
+{
+ if (ether_addr_equal(tx_bssid, bss->bssid))
+ return true;
+ if (!bss->transmitted_bss)
+ return false;
+ return ether_addr_equal(tx_bssid, bss->transmitted_bss->bssid);
+}
+
static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
struct ieee80211_mgmt *mgmt, size_t len,
struct ieee80211_rx_status *rx_status)
@@ -3695,15 +3845,16 @@
rcu_read_unlock();
if (ifmgd->assoc_data && ifmgd->assoc_data->need_beacon &&
- ether_addr_equal(mgmt->bssid, ifmgd->assoc_data->bss->bssid)) {
+ ieee80211_rx_our_beacon(mgmt->bssid, ifmgd->assoc_data->bss)) {
ieee802_11_parse_elems(mgmt->u.beacon.variable,
- len - baselen, false, &elems);
+ len - baselen, false, &elems,
+ mgmt->bssid,
+ ifmgd->assoc_data->bss->bssid);
- ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems);
- if (elems.tim && !elems.parse_error) {
- const struct ieee80211_tim_ie *tim_ie = elems.tim;
- ifmgd->dtim_period = tim_ie->dtim_period;
- }
+ ieee80211_rx_bss_info(sdata, mgmt, len, rx_status);
+
+ if (elems.dtim_period)
+ ifmgd->dtim_period = elems.dtim_period;
ifmgd->have_beacon = true;
ifmgd->assoc_data->need_beacon = false;
if (ieee80211_hw_check(&local->hw, TIMING_BEACON_ONLY)) {
@@ -3711,12 +3862,17 @@
le64_to_cpu(mgmt->u.beacon.timestamp);
sdata->vif.bss_conf.sync_device_ts =
rx_status->device_timestamp;
- if (elems.tim)
- sdata->vif.bss_conf.sync_dtim_count =
- elems.tim->dtim_count;
- else
- sdata->vif.bss_conf.sync_dtim_count = 0;
+ sdata->vif.bss_conf.sync_dtim_count = elems.dtim_count;
}
+
+ if (elems.mbssid_config_ie)
+ bss_conf->profile_periodicity =
+ elems.mbssid_config_ie->profile_periodicity;
+
+ if (elems.ext_capab_len >= 11 &&
+ (elems.ext_capab[10] & WLAN_EXT_CAPA11_EMA_SUPPORT))
+ bss_conf->ema_ap = true;
+
/* continue assoc process */
ifmgd->assoc_data->timeout = jiffies;
ifmgd->assoc_data->timeout_started = true;
@@ -3725,7 +3881,7 @@
}
if (!ifmgd->associated ||
- !ether_addr_equal(mgmt->bssid, ifmgd->associated->bssid))
+ !ieee80211_rx_our_beacon(mgmt->bssid, ifmgd->associated))
return;
bssid = ifmgd->associated->bssid;
@@ -3748,7 +3904,8 @@
ncrc = crc32_be(0, (void *)&mgmt->u.beacon.beacon_int, 4);
ncrc = ieee802_11_parse_elems_crc(mgmt->u.beacon.variable,
len - baselen, false, &elems,
- care_about_ies, ncrc);
+ care_about_ies, ncrc,
+ mgmt->bssid, bssid);
if (ieee80211_hw_check(&local->hw, PS_NULLFUNC_STACK) &&
ieee80211_check_tim(elems.tim, elems.tim_len, ifmgd->aid)) {
@@ -3820,11 +3977,7 @@
le64_to_cpu(mgmt->u.beacon.timestamp);
sdata->vif.bss_conf.sync_device_ts =
rx_status->device_timestamp;
- if (elems.tim)
- sdata->vif.bss_conf.sync_dtim_count =
- elems.tim->dtim_count;
- else
- sdata->vif.bss_conf.sync_dtim_count = 0;
+ sdata->vif.bss_conf.sync_dtim_count = elems.dtim_count;
}
if (ncrc == ifmgd->beacon_crc && ifmgd->beacon_crc_valid)
@@ -3832,7 +3985,7 @@
ifmgd->beacon_crc = ncrc;
ifmgd->beacon_crc_valid = true;
- ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems);
+ ieee80211_rx_bss_info(sdata, mgmt, len, rx_status);
ieee80211_sta_process_chanswitch(sdata, rx_status->mactime,
rx_status->device_timestamp,
@@ -3850,10 +4003,7 @@
*/
if (!ifmgd->have_beacon) {
/* a few bogus AP send dtim_period = 0 or no TIM IE */
- if (elems.tim)
- bss_conf->dtim_period = elems.tim->dtim_period ?: 1;
- else
- bss_conf->dtim_period = 1;
+ bss_conf->dtim_period = elems.dtim_period ?: 1;
changed |= BSS_CHANGED_BEACON_INFO;
ifmgd->have_beacon = true;
@@ -3878,6 +4028,8 @@
mutex_lock(&local->sta_mtx);
sta = sta_info_get(sdata, bssid);
+ changed |= ieee80211_recalc_twt_req(sdata, sta, &elems);
+
if (ieee80211_config_bw(sdata, sta,
elems.ht_cap_elem, elems.ht_operation,
elems.vht_operation, elems.he_operation,
@@ -3953,9 +4105,10 @@
if (ies_len < 0)
break;
+ /* CSA IE cannot be overridden, no need for BSSID */
ieee802_11_parse_elems(
mgmt->u.action.u.chan_switch.variable,
- ies_len, true, &elems);
+ ies_len, true, &elems, mgmt->bssid, NULL);
if (elems.parse_error)
break;
@@ -3972,9 +4125,13 @@
if (ies_len < 0)
break;
+ /*
+ * extended CSA IE can't be overridden, no need for
+ * BSSID
+ */
ieee802_11_parse_elems(
mgmt->u.action.u.ext_chan_switch.variable,
- ies_len, true, &elems);
+ ies_len, true, &elems, mgmt->bssid, NULL);
if (elems.parse_error)
break;
@@ -4354,7 +4511,7 @@
* cfg80211 won't know and won't actually abort those attempts,
* thus we need to do that ourselves.
*/
- ieee80211_send_deauth_disassoc(sdata, bssid,
+ ieee80211_send_deauth_disassoc(sdata, bssid, bssid,
IEEE80211_STYPE_DEAUTH,
WLAN_REASON_DEAUTH_LEAVING,
false, frame_buf);
@@ -4644,8 +4801,10 @@
}
}
- if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HE) &&
- ieee80211_get_he_sta_cap(sband)) {
+ if (!ieee80211_get_he_sta_cap(sband))
+ ifmgd->flags |= IEEE80211_STA_DISABLE_HE;
+
+ if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HE)) {
const struct cfg80211_bss_ies *ies;
const u8 *he_oper_ie;
@@ -4713,6 +4872,40 @@
return ret;
}
+static bool ieee80211_get_dtim(const struct cfg80211_bss_ies *ies,
+ u8 *dtim_count, u8 *dtim_period)
+{
+ const u8 *tim_ie = cfg80211_find_ie(WLAN_EID_TIM, ies->data, ies->len);
+ const u8 *idx_ie = cfg80211_find_ie(WLAN_EID_MULTI_BSSID_IDX, ies->data,
+ ies->len);
+ const struct ieee80211_tim_ie *tim = NULL;
+ const struct ieee80211_bssid_index *idx;
+ bool valid = tim_ie && tim_ie[1] >= 2;
+
+ if (valid)
+ tim = (void *)(tim_ie + 2);
+
+ if (dtim_count)
+ *dtim_count = valid ? tim->dtim_count : 0;
+
+ if (dtim_period)
+ *dtim_period = valid ? tim->dtim_period : 0;
+
+ /* Check if value is overridden by non-transmitted profile */
+ if (!idx_ie || idx_ie[1] < 3)
+ return valid;
+
+ idx = (void *)(idx_ie + 2);
+
+ if (dtim_count)
+ *dtim_count = idx->dtim_count;
+
+ if (dtim_period)
+ *dtim_period = idx->dtim_period;
+
+ return true;
+}
+
static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata,
struct cfg80211_bss *cbss, bool assoc,
bool override)
@@ -4787,7 +4980,12 @@
basic_rates = BIT(min_rate_index);
}
- new_sta->sta.supp_rates[cbss->channel->band] = rates;
+ if (rates)
+ new_sta->sta.supp_rates[cbss->channel->band] = rates;
+ else
+ sdata_info(sdata,
+ "No rates found, keeping mandatory only\n");
+
sdata->vif.bss_conf.basic_rates = basic_rates;
/* cf. IEEE 802.11 9.2.12 */
@@ -4804,17 +5002,13 @@
rcu_read_lock();
ies = rcu_dereference(cbss->beacon_ies);
if (ies) {
- const u8 *tim_ie;
-
sdata->vif.bss_conf.sync_tsf = ies->tsf;
sdata->vif.bss_conf.sync_device_ts =
bss->device_ts_beacon;
- tim_ie = cfg80211_find_ie(WLAN_EID_TIM,
- ies->data, ies->len);
- if (tim_ie && tim_ie[1] >= 2)
- sdata->vif.bss_conf.sync_dtim_count = tim_ie[2];
- else
- sdata->vif.bss_conf.sync_dtim_count = 0;
+
+ ieee80211_get_dtim(ies,
+ &sdata->vif.bss_conf.sync_dtim_count,
+ NULL);
} else if (!ieee80211_hw_check(&sdata->local->hw,
TIMING_BEACON_ONLY)) {
ies = rcu_dereference(cbss->proberesp_ies);
@@ -4879,6 +5073,7 @@
struct ieee80211_mgd_auth_data *auth_data;
u16 auth_alg;
int err;
+ bool cont_auth;
/* prepare auth data structure */
@@ -4887,7 +5082,7 @@
auth_alg = WLAN_AUTH_OPEN;
break;
case NL80211_AUTHTYPE_SHARED_KEY:
- if (IS_ERR(local->wep_tx_tfm))
+ if (fips_enabled)
return -EOPNOTSUPP;
auth_alg = WLAN_AUTH_SHARED_KEY;
break;
@@ -4913,6 +5108,9 @@
return -EOPNOTSUPP;
}
+ if (ifmgd->assoc_data)
+ return -EBUSY;
+
auth_data = kzalloc(sizeof(*auth_data) + req->auth_data_len +
req->ie_len, GFP_KERNEL);
if (!auth_data)
@@ -4932,6 +5130,13 @@
auth_data->data_len += req->auth_data_len - 4;
}
+ /* Check if continuing authentication or trying to authenticate with the
+ * same BSS that we were in the process of authenticating with and avoid
+ * removal and re-addition of the STA entry in
+ * ieee80211_prep_connection().
+ */
+ cont_auth = ifmgd->auth_data && req->bss == ifmgd->auth_data->bss;
+
if (req->ie && req->ie_len) {
memcpy(&auth_data->data[auth_data->data_len],
req->ie, req->ie_len);
@@ -4948,18 +5153,26 @@
/* try to authenticate/probe */
- if ((ifmgd->auth_data && !ifmgd->auth_data->done) ||
- ifmgd->assoc_data) {
- err = -EBUSY;
- goto err_free;
+ if (ifmgd->auth_data) {
+ if (cont_auth && req->auth_type == NL80211_AUTHTYPE_SAE) {
+ auth_data->peer_confirmed =
+ ifmgd->auth_data->peer_confirmed;
+ }
+ ieee80211_destroy_auth_data(sdata, cont_auth);
}
- if (ifmgd->auth_data)
- ieee80211_destroy_auth_data(sdata, false);
-
/* prep auth_data so we don't go into idle on disassoc */
ifmgd->auth_data = auth_data;
+ /* If this is continuation of an ongoing SAE authentication exchange
+ * (i.e., request to send SAE Confirm) and the peer has already
+ * confirmed, mark authentication completed since we are about to send
+ * out SAE Confirm.
+ */
+ if (cont_auth && req->auth_type == NL80211_AUTHTYPE_SAE &&
+ auth_data->peer_confirmed && auth_data->sae_trans == 2)
+ ieee80211_mark_sta_auth(sdata, req->bss->bssid);
+
if (ifmgd->associated) {
u8 frame_buf[IEEE80211_DEAUTH_FRAME_LEN];
@@ -4977,7 +5190,7 @@
sdata_info(sdata, "authenticate with %pM\n", req->bss->bssid);
- err = ieee80211_prep_connection(sdata, req->bss, false, false);
+ err = ieee80211_prep_connection(sdata, req->bss, cont_auth, false);
if (err)
goto err_clear;
@@ -4998,7 +5211,6 @@
mutex_lock(&sdata->local->mtx);
ieee80211_vif_release_channel(sdata);
mutex_unlock(&sdata->local->mtx);
- err_free:
kfree(auth_data);
return err;
}
@@ -5022,7 +5234,7 @@
rcu_read_lock();
ssidie = ieee80211_bss_get_ie(req->bss, WLAN_EID_SSID);
- if (!ssidie) {
+ if (!ssidie || ssidie[1] > sizeof(assoc_data->ssid)) {
rcu_read_unlock();
kfree(assoc_data);
return -EINVAL;
@@ -5086,7 +5298,7 @@
ifmgd->flags |= IEEE80211_STA_DISABLE_VHT;
ifmgd->flags |= IEEE80211_STA_DISABLE_HE;
netdev_info(sdata->dev,
- "disabling HE/HT/VHT due to WEP/TKIP use\n");
+ "disabling HT/VHT/HE due to WEP/TKIP use\n");
}
}
@@ -5266,17 +5478,12 @@
assoc_data->timeout_started = true;
assoc_data->need_beacon = true;
} else if (beacon_ies) {
- const u8 *tim_ie = cfg80211_find_ie(WLAN_EID_TIM,
- beacon_ies->data,
- beacon_ies->len);
+ const u8 *ie;
u8 dtim_count = 0;
- if (tim_ie && tim_ie[1] >= sizeof(struct ieee80211_tim_ie)) {
- const struct ieee80211_tim_ie *tim;
- tim = (void *)(tim_ie + 2);
- ifmgd->dtim_period = tim->dtim_period;
- dtim_count = tim->dtim_count;
- }
+ ieee80211_get_dtim(beacon_ies, &dtim_count,
+ &ifmgd->dtim_period);
+
ifmgd->have_beacon = true;
assoc_data->timeout = jiffies;
assoc_data->timeout_started = true;
@@ -5287,6 +5494,17 @@
bss->device_ts_beacon;
sdata->vif.bss_conf.sync_dtim_count = dtim_count;
}
+
+ ie = cfg80211_find_ext_ie(WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION,
+ beacon_ies->data, beacon_ies->len);
+ if (ie && ie[1] >= 3)
+ sdata->vif.bss_conf.profile_periodicity = ie[4];
+
+ ie = cfg80211_find_ie(WLAN_EID_EXT_CAPABILITY,
+ beacon_ies->data, beacon_ies->len);
+ if (ie && ie[1] >= 11 &&
+ (ie[10] & WLAN_EXT_CAPA11_EMA_SUPPORT))
+ sdata->vif.bss_conf.ema_ap = true;
} else {
assoc_data->timeout = jiffies;
assoc_data->timeout_started = true;
@@ -5334,7 +5552,7 @@
ieee80211_get_reason_code_string(req->reason_code));
drv_mgd_prepare_tx(sdata->local, sdata, 0);
- ieee80211_send_deauth_disassoc(sdata, req->bssid,
+ ieee80211_send_deauth_disassoc(sdata, req->bssid, req->bssid,
IEEE80211_STYPE_DEAUTH,
req->reason_code, tx,
frame_buf);
@@ -5354,7 +5572,7 @@
ieee80211_get_reason_code_string(req->reason_code));
drv_mgd_prepare_tx(sdata->local, sdata, 0);
- ieee80211_send_deauth_disassoc(sdata, req->bssid,
+ ieee80211_send_deauth_disassoc(sdata, req->bssid, req->bssid,
IEEE80211_STYPE_DEAUTH,
req->reason_code, tx,
frame_buf);
@@ -5444,6 +5662,9 @@
ifmgd->teardown_skb = NULL;
ifmgd->orig_teardown_skb = NULL;
}
+ kfree(ifmgd->assoc_req_ies);
+ ifmgd->assoc_req_ies = NULL;
+ ifmgd->assoc_req_ies_len = 0;
spin_unlock_bh(&ifmgd->teardown_lock);
del_timer_sync(&ifmgd->timer);
sdata_unlock(sdata);
diff --git a/net/mac80211/ocb.c b/net/mac80211/ocb.c
index d351dc1..7c1a735 100644
--- a/net/mac80211/ocb.c
+++ b/net/mac80211/ocb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* OCB mode implementation
*
@@ -5,10 +6,6 @@
* (c) 2014 Volkswagen Group Research
* Author: Rostislav Lisovy <rostislav.lisovy@fel.cvut.cz>
* Funded by: Volkswagen Group Research
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/delay.h>
diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c
index 8ef4153..c710504 100644
--- a/net/mac80211/offchannel.c
+++ b/net/mac80211/offchannel.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Off-channel operation helpers
*
@@ -7,10 +8,7 @@
* Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
* Copyright 2007, Michael Wu <flamingice@sourmilk.net>
* Copyright 2009 Johannes Berg <johannes@sipsolutions.net>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
+ * Copyright (C) 2019 Intel Corporation
*/
#include <linux/export.h>
#include <net/mac80211.h>
@@ -202,6 +200,10 @@
cfg80211_remain_on_channel_expired(&roc->sdata->wdev,
roc->cookie, roc->chan,
GFP_KERNEL);
+ else
+ cfg80211_tx_mgmt_expired(&roc->sdata->wdev,
+ roc->mgmt_tx_cookie,
+ roc->chan, GFP_KERNEL);
list_del(&roc->list);
kfree(roc);
@@ -731,7 +733,7 @@
}
if (local->ops->remain_on_channel) {
- ret = drv_cancel_remain_on_channel(local);
+ ret = drv_cancel_remain_on_channel(local, roc->sdata);
if (WARN_ON_ONCE(ret)) {
mutex_unlock(&local->mtx);
return ret;
@@ -990,7 +992,7 @@
if (roc->started) {
if (local->ops->remain_on_channel) {
/* can race, so ignore return value */
- drv_cancel_remain_on_channel(local);
+ drv_cancel_remain_on_channel(local, sdata);
ieee80211_roc_notify_destroy(roc);
} else {
roc->abort = true;
diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c
index 76f303f..a1e9fc7 100644
--- a/net/mac80211/rate.c
+++ b/net/mac80211/rate.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2002-2005, Instant802 Networks, Inc.
* Copyright 2005-2006, Devicescape Software, Inc.
* Copyright (c) 2006 Jiri Benc <jbenc@suse.cz>
* Copyright 2017 Intel Deutschland GmbH
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/kernel.h>
@@ -357,8 +354,10 @@
break;
}
WARN_ONCE(i == sband->n_bitrates,
- "no supported rates (0x%x) in rate_mask 0x%x with flags 0x%x\n",
+ "no supported rates for sta %pM (0x%x, band %d) in rate_mask 0x%x with flags 0x%x\n",
+ sta ? sta->addr : NULL,
sta ? sta->supp_rates[sband->band] : -1,
+ sband->band,
rate_mask, rate_flags);
info->control.rates[0].count =
@@ -369,9 +368,8 @@
}
-bool rate_control_send_low(struct ieee80211_sta *pubsta,
- void *priv_sta,
- struct ieee80211_tx_rate_control *txrc)
+static bool rate_control_send_low(struct ieee80211_sta *pubsta,
+ struct ieee80211_tx_rate_control *txrc)
{
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(txrc->skb);
struct ieee80211_supported_band *sband = txrc->sband;
@@ -379,7 +377,7 @@
int mcast_rate;
bool use_basicrate = false;
- if (!pubsta || !priv_sta || rc_no_data_or_no_ack_use_min(txrc)) {
+ if (!pubsta || rc_no_data_or_no_ack_use_min(txrc)) {
__rate_control_send_low(txrc->hw, sband, pubsta, info,
txrc->rate_idx_mask);
@@ -405,7 +403,6 @@
}
return false;
}
-EXPORT_SYMBOL(rate_control_send_low);
static bool rate_idx_match_legacy_mask(s8 *rate_idx, int n_bitrates, u32 mask)
{
@@ -888,26 +885,29 @@
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(txrc->skb);
int i;
- if (sta && test_sta_flag(sta, WLAN_STA_RATE_CONTROL)) {
- ista = &sta->sta;
- priv_sta = sta->rate_ctrl_priv;
- }
-
for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
info->control.rates[i].idx = -1;
info->control.rates[i].flags = 0;
info->control.rates[i].count = 0;
}
+ if (rate_control_send_low(sta ? &sta->sta : NULL, txrc))
+ return;
+
if (ieee80211_hw_check(&sdata->local->hw, HAS_RATE_CONTROL))
return;
+ if (sta && test_sta_flag(sta, WLAN_STA_RATE_CONTROL)) {
+ ista = &sta->sta;
+ priv_sta = sta->rate_ctrl_priv;
+ }
+
if (ista) {
spin_lock_bh(&sta->rate_ctrl_lock);
ref->ops->get_rate(ref->priv, ista, priv_sta, txrc);
spin_unlock_bh(&sta->rate_ctrl_lock);
} else {
- ref->ops->get_rate(ref->priv, NULL, NULL, txrc);
+ rate_control_send_low(NULL, txrc);
}
if (ieee80211_hw_check(&sdata->local->hw, SUPPORTS_RC_TABLE))
diff --git a/net/mac80211/rate.h b/net/mac80211/rate.h
index 8212bfe..5397c6d 100644
--- a/net/mac80211/rate.h
+++ b/net/mac80211/rate.h
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright 2002-2005, Instant802 Networks, Inc.
* Copyright 2005, Devicescape Software, Inc.
* Copyright (c) 2006 Jiri Benc <jbenc@suse.cz>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef IEEE80211_RATE_H
@@ -63,15 +60,6 @@
#endif
}
-static inline void rate_control_remove_sta_debugfs(struct sta_info *sta)
-{
-#ifdef CONFIG_MAC80211_DEBUGFS
- struct rate_control_ref *ref = sta->rate_ctrl;
- if (ref && ref->ops->remove_sta_debugfs)
- ref->ops->remove_sta_debugfs(ref->priv, sta->rate_ctrl_priv);
-#endif
-}
-
void ieee80211_check_rate_mask(struct ieee80211_sub_if_data *sdata);
/* Get a reference to the rate control algorithm. If `name' is NULL, get the
@@ -95,18 +83,5 @@
}
#endif
-#ifdef CONFIG_MAC80211_RC_MINSTREL_HT
-int rc80211_minstrel_ht_init(void);
-void rc80211_minstrel_ht_exit(void);
-#else
-static inline int rc80211_minstrel_ht_init(void)
-{
- return 0;
-}
-static inline void rc80211_minstrel_ht_exit(void)
-{
-}
-#endif
-
#endif /* IEEE80211_RATE_H */
diff --git a/net/mac80211/rc80211_minstrel.c b/net/mac80211/rc80211_minstrel.c
index 07fb219..ee86c33 100644
--- a/net/mac80211/rc80211_minstrel.c
+++ b/net/mac80211/rc80211_minstrel.c
@@ -167,12 +167,6 @@
if (unlikely(!mrs->att_hist)) {
mrs->prob_ewma = cur_prob;
} else {
- /* update exponential weighted moving variance */
- mrs->prob_ewmv = minstrel_ewmv(mrs->prob_ewmv,
- cur_prob,
- mrs->prob_ewma,
- EWMA_LEVEL);
-
/*update exponential weighted moving avarage */
mrs->prob_ewma = minstrel_ewma(mrs->prob_ewma,
cur_prob,
@@ -346,10 +340,6 @@
int delta;
int sampling_ratio;
- /* management/no-ack frames do not use rate control */
- if (rate_control_send_low(sta, priv_sta, txrc))
- return;
-
/* check multi-rate-retry capabilities & adjust lookaround_rate */
mrr_capable = mp->has_mrr &&
!txrc->rts &&
@@ -572,141 +562,6 @@
minstrel_update_rates(mp, mi);
}
-static void *
-minstrel_alloc_sta(void *priv, struct ieee80211_sta *sta, gfp_t gfp)
-{
- struct ieee80211_supported_band *sband;
- struct minstrel_sta_info *mi;
- struct minstrel_priv *mp = priv;
- struct ieee80211_hw *hw = mp->hw;
- int max_rates = 0;
- int i;
-
- mi = kzalloc(sizeof(struct minstrel_sta_info), gfp);
- if (!mi)
- return NULL;
-
- for (i = 0; i < NUM_NL80211_BANDS; i++) {
- sband = hw->wiphy->bands[i];
- if (sband && sband->n_bitrates > max_rates)
- max_rates = sband->n_bitrates;
- }
-
- mi->r = kcalloc(max_rates, sizeof(struct minstrel_rate), gfp);
- if (!mi->r)
- goto error;
-
- mi->sample_table = kmalloc_array(max_rates, SAMPLE_COLUMNS, gfp);
- if (!mi->sample_table)
- goto error1;
-
- mi->last_stats_update = jiffies;
- return mi;
-
-error1:
- kfree(mi->r);
-error:
- kfree(mi);
- return NULL;
-}
-
-static void
-minstrel_free_sta(void *priv, struct ieee80211_sta *sta, void *priv_sta)
-{
- struct minstrel_sta_info *mi = priv_sta;
-
- kfree(mi->sample_table);
- kfree(mi->r);
- kfree(mi);
-}
-
-static void
-minstrel_init_cck_rates(struct minstrel_priv *mp)
-{
- static const int bitrates[4] = { 10, 20, 55, 110 };
- struct ieee80211_supported_band *sband;
- u32 rate_flags = ieee80211_chandef_rate_flags(&mp->hw->conf.chandef);
- int i, j;
-
- sband = mp->hw->wiphy->bands[NL80211_BAND_2GHZ];
- if (!sband)
- return;
-
- for (i = 0, j = 0; i < sband->n_bitrates; i++) {
- struct ieee80211_rate *rate = &sband->bitrates[i];
-
- if (rate->flags & IEEE80211_RATE_ERP_G)
- continue;
-
- if ((rate_flags & sband->bitrates[i].flags) != rate_flags)
- continue;
-
- for (j = 0; j < ARRAY_SIZE(bitrates); j++) {
- if (rate->bitrate != bitrates[j])
- continue;
-
- mp->cck_rates[j] = i;
- break;
- }
- }
-}
-
-static void *
-minstrel_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir)
-{
- struct minstrel_priv *mp;
-
- mp = kzalloc(sizeof(struct minstrel_priv), GFP_ATOMIC);
- if (!mp)
- return NULL;
-
- /* contention window settings
- * Just an approximation. Using the per-queue values would complicate
- * the calculations and is probably unnecessary */
- mp->cw_min = 15;
- mp->cw_max = 1023;
-
- /* number of packets (in %) to use for sampling other rates
- * sample less often for non-mrr packets, because the overhead
- * is much higher than with mrr */
- mp->lookaround_rate = 5;
- mp->lookaround_rate_mrr = 10;
-
- /* maximum time that the hw is allowed to stay in one MRR segment */
- mp->segment_size = 6000;
-
- if (hw->max_rate_tries > 0)
- mp->max_retry = hw->max_rate_tries;
- else
- /* safe default, does not necessarily have to match hw properties */
- mp->max_retry = 7;
-
- if (hw->max_rates >= 4)
- mp->has_mrr = true;
-
- mp->hw = hw;
- mp->update_interval = 100;
-
-#ifdef CONFIG_MAC80211_DEBUGFS
- mp->fixed_rate_idx = (u32) -1;
- mp->dbg_fixed_rate = debugfs_create_u32("fixed_rate_idx",
- 0666, debugfsdir, &mp->fixed_rate_idx);
-#endif
-
- minstrel_init_cck_rates(mp);
-
- return mp;
-}
-
-static void
-minstrel_free(void *priv)
-{
-#ifdef CONFIG_MAC80211_DEBUGFS
- debugfs_remove(((struct minstrel_priv *)priv)->dbg_fixed_rate);
-#endif
- kfree(priv);
-}
-
static u32 minstrel_get_expected_throughput(void *priv_sta)
{
struct minstrel_sta_info *mi = priv_sta;
@@ -725,29 +580,8 @@
}
const struct rate_control_ops mac80211_minstrel = {
- .name = "minstrel",
.tx_status_ext = minstrel_tx_status,
.get_rate = minstrel_get_rate,
.rate_init = minstrel_rate_init,
- .alloc = minstrel_alloc,
- .free = minstrel_free,
- .alloc_sta = minstrel_alloc_sta,
- .free_sta = minstrel_free_sta,
-#ifdef CONFIG_MAC80211_DEBUGFS
- .add_sta_debugfs = minstrel_add_sta_debugfs,
- .remove_sta_debugfs = minstrel_remove_sta_debugfs,
-#endif
.get_expected_throughput = minstrel_get_expected_throughput,
};
-
-int __init
-rc80211_minstrel_init(void)
-{
- return ieee80211_rate_control_register(&mac80211_minstrel);
-}
-
-void
-rc80211_minstrel_exit(void)
-{
- ieee80211_rate_control_unregister(&mac80211_minstrel);
-}
diff --git a/net/mac80211/rc80211_minstrel.h b/net/mac80211/rc80211_minstrel.h
index be6c3f3..51d8b2c 100644
--- a/net/mac80211/rc80211_minstrel.h
+++ b/net/mac80211/rc80211_minstrel.h
@@ -1,9 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2008 Felix Fietkau <nbd@openwrt.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef __RC_MINSTREL_H
@@ -35,19 +32,6 @@
return old + incr;
}
-/*
- * Perform EWMV (Exponentially Weighted Moving Variance) calculation
- */
-static inline int
-minstrel_ewmv(int old_ewmv, int cur_prob, int prob_ewma, int weight)
-{
- int diff, incr;
-
- diff = cur_prob - prob_ewma;
- incr = (EWMA_DIV - weight) * diff / EWMA_DIV;
- return weight * (old_ewmv + MINSTREL_TRUNC(diff * incr)) / EWMA_DIV;
-}
-
struct minstrel_rate_stats {
/* current / last sampling period attempts/success counters */
u16 attempts, last_attempts;
@@ -56,11 +40,8 @@
/* total attempts/success counters */
u32 att_hist, succ_hist;
- /* statistis of packet delivery probability
- * prob_ewma - exponential weighted moving average of prob
- * prob_ewmsd - exp. weighted moving standard deviation of prob */
+ /* prob_ewma - exponential weighted moving average of prob */
u16 prob_ewma;
- u16 prob_ewmv;
/* maximum retry counts */
u8 retry_count;
@@ -109,16 +90,12 @@
/* sampling table */
u8 *sample_table;
-
-#ifdef CONFIG_MAC80211_DEBUGFS
- struct dentry *dbg_stats;
- struct dentry *dbg_stats_csv;
-#endif
};
struct minstrel_priv {
struct ieee80211_hw *hw;
bool has_mrr;
+ u32 sample_switch;
unsigned int cw_min;
unsigned int cw_max;
unsigned int max_retry;
@@ -137,7 +114,6 @@
* - setting will be applied on next update
*/
u32 fixed_rate_idx;
- struct dentry *dbg_fixed_rate;
#endif
};
@@ -146,17 +122,8 @@
char buf[];
};
-/* Get EWMSD (Exponentially Weighted Moving Standard Deviation) * 10 */
-static inline int
-minstrel_get_ewmsd10(struct minstrel_rate_stats *mrs)
-{
- unsigned int ewmv = mrs->prob_ewmv;
- return int_sqrt(MINSTREL_TRUNC(ewmv * 1000 * 1000));
-}
-
extern const struct rate_control_ops mac80211_minstrel;
void minstrel_add_sta_debugfs(void *priv, void *priv_sta, struct dentry *dir);
-void minstrel_remove_sta_debugfs(void *priv, void *priv_sta);
/* Recalculate success probabilities and counters for a given rate using EWMA */
void minstrel_calc_rate_stats(struct minstrel_rate_stats *mrs);
@@ -165,7 +132,5 @@
/* debugfs */
int minstrel_stats_open(struct inode *inode, struct file *file);
int minstrel_stats_csv_open(struct inode *inode, struct file *file);
-ssize_t minstrel_stats_read(struct file *file, char __user *buf, size_t len, loff_t *ppos);
-int minstrel_stats_release(struct inode *inode, struct file *file);
#endif
diff --git a/net/mac80211/rc80211_minstrel_debugfs.c b/net/mac80211/rc80211_minstrel_debugfs.c
index 9ad7d63..c8afd85 100644
--- a/net/mac80211/rc80211_minstrel_debugfs.c
+++ b/net/mac80211/rc80211_minstrel_debugfs.c
@@ -54,22 +54,6 @@
#include <net/mac80211.h>
#include "rc80211_minstrel.h"
-ssize_t
-minstrel_stats_read(struct file *file, char __user *buf, size_t len, loff_t *ppos)
-{
- struct minstrel_debugfs_info *ms;
-
- ms = file->private_data;
- return simple_read_from_buffer(buf, len, ppos, ms->buf, ms->len);
-}
-
-int
-minstrel_stats_release(struct inode *inode, struct file *file)
-{
- kfree(file->private_data);
- return 0;
-}
-
int
minstrel_stats_open(struct inode *inode, struct file *file)
{
@@ -86,14 +70,13 @@
p = ms->buf;
p += sprintf(p, "\n");
p += sprintf(p,
- "best __________rate_________ ________statistics________ ____last_____ ______sum-of________\n");
+ "best __________rate_________ ____statistics___ ____last_____ ______sum-of________\n");
p += sprintf(p,
- "rate [name idx airtime max_tp] [avg(tp) avg(prob) sd(prob)] [retry|suc|att] [#success | #attempts]\n");
+ "rate [name idx airtime max_tp] [avg(tp) avg(prob)] [retry|suc|att] [#success | #attempts]\n");
for (i = 0; i < mi->n_rates; i++) {
struct minstrel_rate *mr = &mi->r[i];
struct minstrel_rate_stats *mrs = &mi->r[i].stats;
- unsigned int prob_ewmsd;
*(p++) = (i == mi->max_tp_rate[0]) ? 'A' : ' ';
*(p++) = (i == mi->max_tp_rate[1]) ? 'B' : ' ';
@@ -109,15 +92,13 @@
tp_max = minstrel_get_tp_avg(mr, MINSTREL_FRAC(100,100));
tp_avg = minstrel_get_tp_avg(mr, mrs->prob_ewma);
eprob = MINSTREL_TRUNC(mrs->prob_ewma * 1000);
- prob_ewmsd = minstrel_get_ewmsd10(mrs);
- p += sprintf(p, "%4u.%1u %4u.%1u %3u.%1u %3u.%1u"
+ p += sprintf(p, "%4u.%1u %4u.%1u %3u.%1u"
" %3u %3u %-3u "
"%9llu %-9llu\n",
tp_max / 10, tp_max % 10,
tp_avg / 10, tp_avg % 10,
eprob / 10, eprob % 10,
- prob_ewmsd / 10, prob_ewmsd % 10,
mrs->retry_count,
mrs->last_success,
mrs->last_attempts,
@@ -135,14 +116,6 @@
return 0;
}
-static const struct file_operations minstrel_stat_fops = {
- .owner = THIS_MODULE,
- .open = minstrel_stats_open,
- .read = minstrel_stats_read,
- .release = minstrel_stats_release,
- .llseek = default_llseek,
-};
-
int
minstrel_stats_csv_open(struct inode *inode, struct file *file)
{
@@ -161,7 +134,6 @@
for (i = 0; i < mi->n_rates; i++) {
struct minstrel_rate *mr = &mi->r[i];
struct minstrel_rate_stats *mrs = &mi->r[i].stats;
- unsigned int prob_ewmsd;
p += sprintf(p, "%s" ,((i == mi->max_tp_rate[0]) ? "A" : ""));
p += sprintf(p, "%s" ,((i == mi->max_tp_rate[1]) ? "B" : ""));
@@ -177,14 +149,12 @@
tp_max = minstrel_get_tp_avg(mr, MINSTREL_FRAC(100,100));
tp_avg = minstrel_get_tp_avg(mr, mrs->prob_ewma);
eprob = MINSTREL_TRUNC(mrs->prob_ewma * 1000);
- prob_ewmsd = minstrel_get_ewmsd10(mrs);
- p += sprintf(p, "%u.%u,%u.%u,%u.%u,%u.%u,%u,%u,%u,"
+ p += sprintf(p, "%u.%u,%u.%u,%u.%u,%u,%u,%u,"
"%llu,%llu,%d,%d\n",
tp_max / 10, tp_max % 10,
tp_avg / 10, tp_avg % 10,
eprob / 10, eprob % 10,
- prob_ewmsd / 10, prob_ewmsd % 10,
mrs->retry_count,
mrs->last_success,
mrs->last_attempts,
@@ -200,33 +170,3 @@
return 0;
}
-
-static const struct file_operations minstrel_stat_csv_fops = {
- .owner = THIS_MODULE,
- .open = minstrel_stats_csv_open,
- .read = minstrel_stats_read,
- .release = minstrel_stats_release,
- .llseek = default_llseek,
-};
-
-void
-minstrel_add_sta_debugfs(void *priv, void *priv_sta, struct dentry *dir)
-{
- struct minstrel_sta_info *mi = priv_sta;
-
- mi->dbg_stats = debugfs_create_file("rc_stats", 0444, dir, mi,
- &minstrel_stat_fops);
-
- mi->dbg_stats_csv = debugfs_create_file("rc_stats_csv", 0444, dir, mi,
- &minstrel_stat_csv_fops);
-}
-
-void
-minstrel_remove_sta_debugfs(void *priv, void *priv_sta)
-{
- struct minstrel_sta_info *mi = priv_sta;
-
- debugfs_remove(mi->dbg_stats);
-
- debugfs_remove(mi->dbg_stats_csv);
-}
diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c
index 67ebdea..0ef2633 100644
--- a/net/mac80211/rc80211_minstrel_ht.c
+++ b/net/mac80211/rc80211_minstrel_ht.c
@@ -1,9 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2010-2013 Felix Fietkau <nbd@openwrt.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/netdevice.h>
#include <linux/types.h>
@@ -21,6 +18,8 @@
#define AVG_AMPDU_SIZE 16
#define AVG_PKT_SIZE 1200
+#define SAMPLE_SWITCH_THR 100
+
/* Number of bits for an average sized packet */
#define MCS_NBITS ((AVG_PKT_SIZE * AVG_AMPDU_SIZE) << 3)
@@ -51,26 +50,40 @@
MINSTREL_MAX_STREAMS * _sgi + \
_streams - 1
+#define _MAX(a, b) (((a)>(b))?(a):(b))
+
+#define GROUP_SHIFT(duration) \
+ _MAX(0, 16 - __builtin_clz(duration))
+
/* MCS rate information for an MCS group */
-#define MCS_GROUP(_streams, _sgi, _ht40) \
+#define __MCS_GROUP(_streams, _sgi, _ht40, _s) \
[GROUP_IDX(_streams, _sgi, _ht40)] = { \
.streams = _streams, \
+ .shift = _s, \
+ .bw = _ht40, \
.flags = \
IEEE80211_TX_RC_MCS | \
(_sgi ? IEEE80211_TX_RC_SHORT_GI : 0) | \
(_ht40 ? IEEE80211_TX_RC_40_MHZ_WIDTH : 0), \
.duration = { \
- MCS_DURATION(_streams, _sgi, _ht40 ? 54 : 26), \
- MCS_DURATION(_streams, _sgi, _ht40 ? 108 : 52), \
- MCS_DURATION(_streams, _sgi, _ht40 ? 162 : 78), \
- MCS_DURATION(_streams, _sgi, _ht40 ? 216 : 104), \
- MCS_DURATION(_streams, _sgi, _ht40 ? 324 : 156), \
- MCS_DURATION(_streams, _sgi, _ht40 ? 432 : 208), \
- MCS_DURATION(_streams, _sgi, _ht40 ? 486 : 234), \
- MCS_DURATION(_streams, _sgi, _ht40 ? 540 : 260) \
+ MCS_DURATION(_streams, _sgi, _ht40 ? 54 : 26) >> _s, \
+ MCS_DURATION(_streams, _sgi, _ht40 ? 108 : 52) >> _s, \
+ MCS_DURATION(_streams, _sgi, _ht40 ? 162 : 78) >> _s, \
+ MCS_DURATION(_streams, _sgi, _ht40 ? 216 : 104) >> _s, \
+ MCS_DURATION(_streams, _sgi, _ht40 ? 324 : 156) >> _s, \
+ MCS_DURATION(_streams, _sgi, _ht40 ? 432 : 208) >> _s, \
+ MCS_DURATION(_streams, _sgi, _ht40 ? 486 : 234) >> _s, \
+ MCS_DURATION(_streams, _sgi, _ht40 ? 540 : 260) >> _s \
} \
}
+#define MCS_GROUP_SHIFT(_streams, _sgi, _ht40) \
+ GROUP_SHIFT(MCS_DURATION(_streams, _sgi, _ht40 ? 54 : 26))
+
+#define MCS_GROUP(_streams, _sgi, _ht40) \
+ __MCS_GROUP(_streams, _sgi, _ht40, \
+ MCS_GROUP_SHIFT(_streams, _sgi, _ht40))
+
#define VHT_GROUP_IDX(_streams, _sgi, _bw) \
(MINSTREL_VHT_GROUP_0 + \
MINSTREL_MAX_STREAMS * 2 * (_bw) + \
@@ -80,9 +93,11 @@
#define BW2VBPS(_bw, r3, r2, r1) \
(_bw == BW_80 ? r3 : _bw == BW_40 ? r2 : r1)
-#define VHT_GROUP(_streams, _sgi, _bw) \
+#define __VHT_GROUP(_streams, _sgi, _bw, _s) \
[VHT_GROUP_IDX(_streams, _sgi, _bw)] = { \
.streams = _streams, \
+ .shift = _s, \
+ .bw = _bw, \
.flags = \
IEEE80211_TX_RC_VHT_MCS | \
(_sgi ? IEEE80211_TX_RC_SHORT_GI : 0) | \
@@ -90,28 +105,36 @@
_bw == BW_40 ? IEEE80211_TX_RC_40_MHZ_WIDTH : 0), \
.duration = { \
MCS_DURATION(_streams, _sgi, \
- BW2VBPS(_bw, 117, 54, 26)), \
+ BW2VBPS(_bw, 117, 54, 26)) >> _s, \
MCS_DURATION(_streams, _sgi, \
- BW2VBPS(_bw, 234, 108, 52)), \
+ BW2VBPS(_bw, 234, 108, 52)) >> _s, \
MCS_DURATION(_streams, _sgi, \
- BW2VBPS(_bw, 351, 162, 78)), \
+ BW2VBPS(_bw, 351, 162, 78)) >> _s, \
MCS_DURATION(_streams, _sgi, \
- BW2VBPS(_bw, 468, 216, 104)), \
+ BW2VBPS(_bw, 468, 216, 104)) >> _s, \
MCS_DURATION(_streams, _sgi, \
- BW2VBPS(_bw, 702, 324, 156)), \
+ BW2VBPS(_bw, 702, 324, 156)) >> _s, \
MCS_DURATION(_streams, _sgi, \
- BW2VBPS(_bw, 936, 432, 208)), \
+ BW2VBPS(_bw, 936, 432, 208)) >> _s, \
MCS_DURATION(_streams, _sgi, \
- BW2VBPS(_bw, 1053, 486, 234)), \
+ BW2VBPS(_bw, 1053, 486, 234)) >> _s, \
MCS_DURATION(_streams, _sgi, \
- BW2VBPS(_bw, 1170, 540, 260)), \
+ BW2VBPS(_bw, 1170, 540, 260)) >> _s, \
MCS_DURATION(_streams, _sgi, \
- BW2VBPS(_bw, 1404, 648, 312)), \
+ BW2VBPS(_bw, 1404, 648, 312)) >> _s, \
MCS_DURATION(_streams, _sgi, \
- BW2VBPS(_bw, 1560, 720, 346)) \
+ BW2VBPS(_bw, 1560, 720, 346)) >> _s \
} \
}
+#define VHT_GROUP_SHIFT(_streams, _sgi, _bw) \
+ GROUP_SHIFT(MCS_DURATION(_streams, _sgi, \
+ BW2VBPS(_bw, 117, 54, 26)))
+
+#define VHT_GROUP(_streams, _sgi, _bw) \
+ __VHT_GROUP(_streams, _sgi, _bw, \
+ VHT_GROUP_SHIFT(_streams, _sgi, _bw))
+
#define CCK_DURATION(_bitrate, _short, _len) \
(1000 * (10 /* SIFS */ + \
(_short ? 72 + 24 : 144 + 48) + \
@@ -121,28 +144,33 @@
(CCK_DURATION((_bitrate > 10 ? 20 : 10), false, 60) + \
CCK_DURATION(_bitrate, _short, AVG_PKT_SIZE))
-#define CCK_DURATION_LIST(_short) \
- CCK_ACK_DURATION(10, _short), \
- CCK_ACK_DURATION(20, _short), \
- CCK_ACK_DURATION(55, _short), \
- CCK_ACK_DURATION(110, _short)
+#define CCK_DURATION_LIST(_short, _s) \
+ CCK_ACK_DURATION(10, _short) >> _s, \
+ CCK_ACK_DURATION(20, _short) >> _s, \
+ CCK_ACK_DURATION(55, _short) >> _s, \
+ CCK_ACK_DURATION(110, _short) >> _s
-#define CCK_GROUP \
+#define __CCK_GROUP(_s) \
[MINSTREL_CCK_GROUP] = { \
- .streams = 0, \
+ .streams = 1, \
.flags = 0, \
+ .shift = _s, \
.duration = { \
- CCK_DURATION_LIST(false), \
- CCK_DURATION_LIST(true) \
+ CCK_DURATION_LIST(false, _s), \
+ CCK_DURATION_LIST(true, _s) \
} \
}
-#ifdef CONFIG_MAC80211_RC_MINSTREL_VHT
+#define CCK_GROUP_SHIFT \
+ GROUP_SHIFT(CCK_ACK_DURATION(10, false))
+
+#define CCK_GROUP __CCK_GROUP(CCK_GROUP_SHIFT)
+
+
static bool minstrel_vht_only = true;
module_param(minstrel_vht_only, bool, 0644);
MODULE_PARM_DESC(minstrel_vht_only,
"Use only VHT rates when VHT is supported by sta.");
-#endif
/*
* To enable sufficiently targeted rate sampling, MCS rates are divided into
@@ -156,46 +184,54 @@
MCS_GROUP(1, 0, BW_20),
MCS_GROUP(2, 0, BW_20),
MCS_GROUP(3, 0, BW_20),
+ MCS_GROUP(4, 0, BW_20),
MCS_GROUP(1, 1, BW_20),
MCS_GROUP(2, 1, BW_20),
MCS_GROUP(3, 1, BW_20),
+ MCS_GROUP(4, 1, BW_20),
MCS_GROUP(1, 0, BW_40),
MCS_GROUP(2, 0, BW_40),
MCS_GROUP(3, 0, BW_40),
+ MCS_GROUP(4, 0, BW_40),
MCS_GROUP(1, 1, BW_40),
MCS_GROUP(2, 1, BW_40),
MCS_GROUP(3, 1, BW_40),
+ MCS_GROUP(4, 1, BW_40),
CCK_GROUP,
-#ifdef CONFIG_MAC80211_RC_MINSTREL_VHT
VHT_GROUP(1, 0, BW_20),
VHT_GROUP(2, 0, BW_20),
VHT_GROUP(3, 0, BW_20),
+ VHT_GROUP(4, 0, BW_20),
VHT_GROUP(1, 1, BW_20),
VHT_GROUP(2, 1, BW_20),
VHT_GROUP(3, 1, BW_20),
+ VHT_GROUP(4, 1, BW_20),
VHT_GROUP(1, 0, BW_40),
VHT_GROUP(2, 0, BW_40),
VHT_GROUP(3, 0, BW_40),
+ VHT_GROUP(4, 0, BW_40),
VHT_GROUP(1, 1, BW_40),
VHT_GROUP(2, 1, BW_40),
VHT_GROUP(3, 1, BW_40),
+ VHT_GROUP(4, 1, BW_40),
VHT_GROUP(1, 0, BW_80),
VHT_GROUP(2, 0, BW_80),
VHT_GROUP(3, 0, BW_80),
+ VHT_GROUP(4, 0, BW_80),
VHT_GROUP(1, 1, BW_80),
VHT_GROUP(2, 1, BW_80),
VHT_GROUP(3, 1, BW_80),
-#endif
+ VHT_GROUP(4, 1, BW_80),
};
static u8 sample_table[SAMPLE_COLUMNS][MCS_GROUP_RATES] __read_mostly;
@@ -282,7 +318,8 @@
break;
/* short preamble */
- if (!(mi->supported[group] & BIT(idx)))
+ if ((mi->supported[group] & BIT(idx + 4)) &&
+ (rate->flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE))
idx += 4;
}
return &mi->groups[group].rates[idx];
@@ -294,6 +331,15 @@
return &mi->groups[index / MCS_GROUP_RATES].rates[index % MCS_GROUP_RATES];
}
+static unsigned int
+minstrel_ht_avg_ampdu_len(struct minstrel_ht_sta *mi)
+{
+ if (!mi->avg_ampdu_len)
+ return AVG_AMPDU_SIZE;
+
+ return MINSTREL_TRUNC(mi->avg_ampdu_len);
+}
+
/*
* Return current throughput based on the average A-MPDU length, taking into
* account the expected number of retransmissions and their expected length
@@ -309,9 +355,10 @@
return 0;
if (group != MINSTREL_CCK_GROUP)
- nsecs = 1000 * mi->overhead / MINSTREL_TRUNC(mi->avg_ampdu_len);
+ nsecs = 1000 * mi->overhead / minstrel_ht_avg_ampdu_len(mi);
- nsecs += minstrel_mcs_groups[group].duration[rate];
+ nsecs += minstrel_mcs_groups[group].duration[rate] <<
+ minstrel_mcs_groups[group].shift;
/*
* For the throughput calculation, limit the probability value to 90% to
@@ -443,7 +490,7 @@
tmp_prob = mi->groups[tmp_group].rates[tmp_idx].prob_ewma;
tmp_mcs_tp = minstrel_ht_get_tp_avg(mi, tmp_group, tmp_idx, tmp_prob);
- if (tmp_cck_tp > tmp_mcs_tp) {
+ if (tmp_cck_tp_rate && tmp_cck_tp > tmp_mcs_tp) {
for(i = 0; i < MAX_THR_RATES; i++) {
minstrel_ht_sort_best_tp_rates(mi, tmp_cck_tp_rate[i],
tmp_mcs_tp_rate);
@@ -483,6 +530,133 @@
}
}
+static inline int
+minstrel_get_duration(int index)
+{
+ const struct mcs_group *group = &minstrel_mcs_groups[index / MCS_GROUP_RATES];
+ unsigned int duration = group->duration[index % MCS_GROUP_RATES];
+ return duration << group->shift;
+}
+
+static bool
+minstrel_ht_probe_group(struct minstrel_ht_sta *mi, const struct mcs_group *tp_group,
+ int tp_idx, const struct mcs_group *group)
+{
+ if (group->bw < tp_group->bw)
+ return false;
+
+ if (group->streams == tp_group->streams)
+ return true;
+
+ if (tp_idx < 4 && group->streams == tp_group->streams - 1)
+ return true;
+
+ return group->streams == tp_group->streams + 1;
+}
+
+static void
+minstrel_ht_find_probe_rates(struct minstrel_ht_sta *mi, u16 *rates, int *n_rates,
+ bool faster_rate)
+{
+ const struct mcs_group *group, *tp_group;
+ int i, g, max_dur;
+ int tp_idx;
+
+ tp_group = &minstrel_mcs_groups[mi->max_tp_rate[0] / MCS_GROUP_RATES];
+ tp_idx = mi->max_tp_rate[0] % MCS_GROUP_RATES;
+
+ max_dur = minstrel_get_duration(mi->max_tp_rate[0]);
+ if (faster_rate)
+ max_dur -= max_dur / 16;
+
+ for (g = 0; g < MINSTREL_GROUPS_NB; g++) {
+ u16 supported = mi->supported[g];
+
+ if (!supported)
+ continue;
+
+ group = &minstrel_mcs_groups[g];
+ if (!minstrel_ht_probe_group(mi, tp_group, tp_idx, group))
+ continue;
+
+ for (i = 0; supported; supported >>= 1, i++) {
+ int idx;
+
+ if (!(supported & 1))
+ continue;
+
+ if ((group->duration[i] << group->shift) > max_dur)
+ continue;
+
+ idx = g * MCS_GROUP_RATES + i;
+ if (idx == mi->max_tp_rate[0])
+ continue;
+
+ rates[(*n_rates)++] = idx;
+ break;
+ }
+ }
+}
+
+static void
+minstrel_ht_rate_sample_switch(struct minstrel_priv *mp,
+ struct minstrel_ht_sta *mi)
+{
+ struct minstrel_rate_stats *mrs;
+ u16 rates[MINSTREL_GROUPS_NB];
+ int n_rates = 0;
+ int probe_rate = 0;
+ bool faster_rate;
+ int i;
+ u8 random;
+
+ /*
+ * Use rate switching instead of probing packets for devices with
+ * little control over retry fallback behavior
+ */
+ if (mp->hw->max_rates > 1)
+ return;
+
+ /*
+ * If the current EWMA prob is >75%, look for a rate that's 6.25%
+ * faster than the max tp rate.
+ * If that fails, look again for a rate that is at least as fast
+ */
+ mrs = minstrel_get_ratestats(mi, mi->max_tp_rate[0]);
+ faster_rate = mrs->prob_ewma > MINSTREL_FRAC(75, 100);
+ minstrel_ht_find_probe_rates(mi, rates, &n_rates, faster_rate);
+ if (!n_rates && faster_rate)
+ minstrel_ht_find_probe_rates(mi, rates, &n_rates, false);
+
+ /* If no suitable rate was found, try to pick the next one in the group */
+ if (!n_rates) {
+ int g_idx = mi->max_tp_rate[0] / MCS_GROUP_RATES;
+ u16 supported = mi->supported[g_idx];
+
+ supported >>= mi->max_tp_rate[0] % MCS_GROUP_RATES;
+ for (i = 0; supported; supported >>= 1, i++) {
+ if (!(supported & 1))
+ continue;
+
+ probe_rate = mi->max_tp_rate[0] + i;
+ goto out;
+ }
+
+ return;
+ }
+
+ i = 0;
+ if (n_rates > 1) {
+ random = prandom_u32();
+ i = random % n_rates;
+ }
+ probe_rate = rates[i];
+
+out:
+ mi->sample_rate = probe_rate;
+ mi->sample_mode = MINSTREL_SAMPLE_ACTIVE;
+}
+
/*
* Update rate statistics and select new primary rates
*
@@ -493,7 +667,8 @@
* higher throughput rates, even if the probablity is a bit lower
*/
static void
-minstrel_ht_update_stats(struct minstrel_priv *mp, struct minstrel_ht_sta *mi)
+minstrel_ht_update_stats(struct minstrel_priv *mp, struct minstrel_ht_sta *mi,
+ bool sample)
{
struct minstrel_mcs_group_data *mg;
struct minstrel_rate_stats *mrs;
@@ -501,9 +676,25 @@
u16 tmp_mcs_tp_rate[MAX_THR_RATES], tmp_group_tp_rate[MAX_THR_RATES];
u16 tmp_cck_tp_rate[MAX_THR_RATES], index;
+ mi->sample_mode = MINSTREL_SAMPLE_IDLE;
+
+ if (sample) {
+ mi->total_packets_cur = mi->total_packets -
+ mi->total_packets_last;
+ mi->total_packets_last = mi->total_packets;
+ }
+ if (!mp->sample_switch)
+ sample = false;
+ if (mi->total_packets_cur < SAMPLE_SWITCH_THR && mp->sample_switch != 1)
+ sample = false;
+
if (mi->ampdu_packets > 0) {
- mi->avg_ampdu_len = minstrel_ewma(mi->avg_ampdu_len,
- MINSTREL_FRAC(mi->ampdu_len, mi->ampdu_packets), EWMA_LEVEL);
+ if (!ieee80211_hw_check(mp->hw, TX_STATUS_NO_AMPDU_LEN))
+ mi->avg_ampdu_len = minstrel_ewma(mi->avg_ampdu_len,
+ MINSTREL_FRAC(mi->ampdu_len, mi->ampdu_packets),
+ EWMA_LEVEL);
+ else
+ mi->avg_ampdu_len = 0;
mi->ampdu_len = 0;
mi->ampdu_packets = 0;
}
@@ -511,11 +702,19 @@
mi->sample_slow = 0;
mi->sample_count = 0;
- /* Initialize global rate indexes */
- for(j = 0; j < MAX_THR_RATES; j++){
- tmp_mcs_tp_rate[j] = 0;
- tmp_cck_tp_rate[j] = 0;
- }
+ memset(tmp_mcs_tp_rate, 0, sizeof(tmp_mcs_tp_rate));
+ memset(tmp_cck_tp_rate, 0, sizeof(tmp_cck_tp_rate));
+ if (mi->supported[MINSTREL_CCK_GROUP])
+ for (j = 0; j < ARRAY_SIZE(tmp_cck_tp_rate); j++)
+ tmp_cck_tp_rate[j] = MINSTREL_CCK_GROUP * MCS_GROUP_RATES;
+
+ if (mi->supported[MINSTREL_VHT_GROUP_0])
+ index = MINSTREL_VHT_GROUP_0 * MCS_GROUP_RATES;
+ else
+ index = MINSTREL_HT_GROUP_0 * MCS_GROUP_RATES;
+
+ for (j = 0; j < ARRAY_SIZE(tmp_mcs_tp_rate); j++)
+ tmp_mcs_tp_rate[j] = index;
/* Find best rate sets within all MCS groups*/
for (group = 0; group < ARRAY_SIZE(minstrel_mcs_groups); group++) {
@@ -528,7 +727,7 @@
/* (re)Initialize group rate indexes */
for(j = 0; j < MAX_THR_RATES; j++)
- tmp_group_tp_rate[j] = group;
+ tmp_group_tp_rate[j] = MCS_GROUP_RATES * group;
for (i = 0; i < MCS_GROUP_RATES; i++) {
if (!(mi->supported[group] & BIT(i)))
@@ -575,12 +774,16 @@
/* try to sample all available rates during each interval */
mi->sample_count *= 8;
+ if (sample)
+ minstrel_ht_rate_sample_switch(mp, mi);
+
#ifdef CONFIG_MAC80211_DEBUGFS
/* use fixed index if set */
if (mp->fixed_rate_idx != -1) {
for (i = 0; i < 4; i++)
mi->max_tp_rate[i] = mp->fixed_rate_idx;
mi->max_prob_rate = mp->fixed_rate_idx;
+ mi->sample_mode = MINSTREL_SAMPLE_IDLE;
}
#endif
@@ -684,15 +887,17 @@
struct minstrel_ht_sta_priv *msp = priv_sta;
struct minstrel_ht_sta *mi = &msp->ht;
struct ieee80211_tx_rate *ar = info->status.rates;
- struct minstrel_rate_stats *rate, *rate2;
+ struct minstrel_rate_stats *rate, *rate2, *rate_sample = NULL;
struct minstrel_priv *mp = priv;
bool last, update = false;
+ bool sample_status = false;
int i;
if (!msp->is_ht)
return mac80211_minstrel.tx_status_ext(priv, sband,
&msp->legacy, st);
+
/* This packet was aggregated but doesn't carry status info */
if ((info->flags & IEEE80211_TX_CTL_AMPDU) &&
!(info->flags & IEEE80211_TX_STAT_AMPDU))
@@ -708,7 +913,9 @@
mi->ampdu_len += info->status.ampdu_len;
if (!mi->sample_wait && !mi->sample_tries && mi->sample_count > 0) {
- mi->sample_wait = 16 + 2 * MINSTREL_TRUNC(mi->avg_ampdu_len);
+ int avg_ampdu_len = minstrel_ht_avg_ampdu_len(mi);
+
+ mi->sample_wait = 16 + 2 * avg_ampdu_len;
mi->sample_tries = 1;
mi->sample_count--;
}
@@ -716,12 +923,17 @@
if (info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE)
mi->sample_packets += info->status.ampdu_len;
+ if (mi->sample_mode != MINSTREL_SAMPLE_IDLE)
+ rate_sample = minstrel_get_ratestats(mi, mi->sample_rate);
+
last = !minstrel_ht_txstat_valid(mp, &ar[0]);
for (i = 0; !last; i++) {
last = (i == IEEE80211_TX_MAX_RATES - 1) ||
!minstrel_ht_txstat_valid(mp, &ar[i + 1]);
rate = minstrel_ht_get_stats(mp, mi, &ar[i]);
+ if (rate == rate_sample)
+ sample_status = true;
if (last)
rate->success += info->status.ampdu_ack_len;
@@ -729,30 +941,54 @@
rate->attempts += ar[i].count * info->status.ampdu_len;
}
- /*
- * check for sudden death of spatial multiplexing,
- * downgrade to a lower number of streams if necessary.
- */
- rate = minstrel_get_ratestats(mi, mi->max_tp_rate[0]);
- if (rate->attempts > 30 &&
- MINSTREL_FRAC(rate->success, rate->attempts) <
- MINSTREL_FRAC(20, 100)) {
- minstrel_downgrade_rate(mi, &mi->max_tp_rate[0], true);
+ switch (mi->sample_mode) {
+ case MINSTREL_SAMPLE_IDLE:
+ break;
+
+ case MINSTREL_SAMPLE_ACTIVE:
+ if (!sample_status)
+ break;
+
+ mi->sample_mode = MINSTREL_SAMPLE_PENDING;
update = true;
+ break;
+
+ case MINSTREL_SAMPLE_PENDING:
+ if (sample_status)
+ break;
+
+ update = true;
+ minstrel_ht_update_stats(mp, mi, false);
+ break;
}
- rate2 = minstrel_get_ratestats(mi, mi->max_tp_rate[1]);
- if (rate2->attempts > 30 &&
- MINSTREL_FRAC(rate2->success, rate2->attempts) <
- MINSTREL_FRAC(20, 100)) {
- minstrel_downgrade_rate(mi, &mi->max_tp_rate[1], false);
- update = true;
+
+ if (mp->hw->max_rates > 1) {
+ /*
+ * check for sudden death of spatial multiplexing,
+ * downgrade to a lower number of streams if necessary.
+ */
+ rate = minstrel_get_ratestats(mi, mi->max_tp_rate[0]);
+ if (rate->attempts > 30 &&
+ MINSTREL_FRAC(rate->success, rate->attempts) <
+ MINSTREL_FRAC(20, 100)) {
+ minstrel_downgrade_rate(mi, &mi->max_tp_rate[0], true);
+ update = true;
+ }
+
+ rate2 = minstrel_get_ratestats(mi, mi->max_tp_rate[1]);
+ if (rate2->attempts > 30 &&
+ MINSTREL_FRAC(rate2->success, rate2->attempts) <
+ MINSTREL_FRAC(20, 100)) {
+ minstrel_downgrade_rate(mi, &mi->max_tp_rate[1], false);
+ update = true;
+ }
}
if (time_after(jiffies, mi->last_stats_update +
(mp->update_interval / 2 * HZ) / 1000)) {
update = true;
- minstrel_ht_update_stats(mp, mi);
+ minstrel_ht_update_stats(mp, mi, true);
}
if (update)
@@ -764,12 +1000,11 @@
int index)
{
struct minstrel_rate_stats *mrs;
- const struct mcs_group *group;
unsigned int tx_time, tx_time_rtscts, tx_time_data;
unsigned int cw = mp->cw_min;
unsigned int ctime = 0;
unsigned int t_slot = 9; /* FIXME */
- unsigned int ampdu_len = MINSTREL_TRUNC(mi->avg_ampdu_len);
+ unsigned int ampdu_len = minstrel_ht_avg_ampdu_len(mi);
unsigned int overhead = 0, overhead_rtscts = 0;
mrs = minstrel_get_ratestats(mi, index);
@@ -783,8 +1018,7 @@
mrs->retry_count_rtscts = 2;
mrs->retry_updated = true;
- group = &minstrel_mcs_groups[index / MCS_GROUP_RATES];
- tx_time_data = group->duration[index % MCS_GROUP_RATES] * ampdu_len / 1000;
+ tx_time_data = minstrel_get_duration(index) * ampdu_len / 1000;
/* Contention time for first 2 tries */
ctime = (t_slot * cw) >> 1;
@@ -878,20 +1112,24 @@
int group = mi->max_prob_rate / MCS_GROUP_RATES;
const struct mcs_group *g = &minstrel_mcs_groups[group];
int rate = mi->max_prob_rate % MCS_GROUP_RATES;
+ unsigned int duration;
/* Disable A-MSDU if max_prob_rate is bad */
if (mi->groups[group].rates[rate].prob_ewma < MINSTREL_FRAC(50, 100))
return 1;
+ duration = g->duration[rate];
+ duration <<= g->shift;
+
/* If the rate is slower than single-stream MCS1, make A-MSDU limit small */
- if (g->duration[rate] > MCS_DURATION(1, 0, 52))
+ if (duration > MCS_DURATION(1, 0, 52))
return 500;
/*
* If the rate is slower than single-stream MCS4, limit A-MSDU to usual
* data packet size
*/
- if (g->duration[rate] > MCS_DURATION(1, 0, 104))
+ if (duration > MCS_DURATION(1, 0, 104))
return 1600;
/*
@@ -899,7 +1137,7 @@
* rate success probability is less than 75%, limit A-MSDU to twice the usual
* data packet size
*/
- if (g->duration[rate] > MCS_DURATION(1, 0, 260) ||
+ if (duration > MCS_DURATION(1, 0, 260) ||
(minstrel_ht_get_prob_ewma(mi, mi->max_tp_rate[0]) <
MINSTREL_FRAC(75, 100)))
return 3200;
@@ -921,14 +1159,18 @@
minstrel_ht_update_rates(struct minstrel_priv *mp, struct minstrel_ht_sta *mi)
{
struct ieee80211_sta_rates *rates;
+ u16 first_rate = mi->max_tp_rate[0];
int i = 0;
+ if (mi->sample_mode == MINSTREL_SAMPLE_ACTIVE)
+ first_rate = mi->sample_rate;
+
rates = kzalloc(sizeof(*rates), GFP_ATOMIC);
if (!rates)
return;
/* Start with max_tp_rate[0] */
- minstrel_ht_set_rate(mp, mi, rates, i++, mi->max_tp_rate[0]);
+ minstrel_ht_set_rate(mp, mi, rates, i++, first_rate);
if (mp->hw->max_rates >= 3) {
/* At least 3 tx rates supported, use max_tp_rate[1] next */
@@ -936,8 +1178,6 @@
}
if (mp->hw->max_rates >= 2) {
- /*
- * At least 2 tx rates supported, use max_prob_rate next */
minstrel_ht_set_rate(mp, mi, rates, i++, mi->max_prob_rate);
}
@@ -946,13 +1186,6 @@
rate_control_set_rates(mp->hw, mi->sta, rates);
}
-static inline int
-minstrel_get_duration(int index)
-{
- const struct mcs_group *group = &minstrel_mcs_groups[index / MCS_GROUP_RATES];
- return group->duration[index % MCS_GROUP_RATES];
-}
-
static int
minstrel_get_sample_rate(struct minstrel_priv *mp, struct minstrel_ht_sta *mi)
{
@@ -962,6 +1195,11 @@
int tp_rate1, tp_rate2;
int sample_idx = 0;
+ if (mp->hw->max_rates == 1 && mp->sample_switch &&
+ (mi->total_packets_cur >= SAMPLE_SWITCH_THR ||
+ mp->sample_switch == 1))
+ return -1;
+
if (mi->sample_wait > 0) {
mi->sample_wait--;
return -1;
@@ -1000,10 +1238,28 @@
return -1;
/*
- * Do not sample if the probability is already higher than 95%
- * to avoid wasting airtime.
+ * Do not sample if the probability is already higher than 95%,
+ * or if the rate is 3 times slower than the current max probability
+ * rate, to avoid wasting airtime.
*/
- if (mrs->prob_ewma > MINSTREL_FRAC(95, 100))
+ sample_dur = minstrel_get_duration(sample_idx);
+ if (mrs->prob_ewma > MINSTREL_FRAC(95, 100) ||
+ minstrel_get_duration(mi->max_prob_rate) * 3 < sample_dur)
+ return -1;
+
+
+ /*
+ * For devices with no configurable multi-rate retry, skip sampling
+ * below the per-group max throughput rate, and only use one sampling
+ * attempt per rate
+ */
+ if (mp->hw->max_rates == 1 &&
+ (minstrel_get_duration(mg->max_group_tp_rate[0]) < sample_dur ||
+ mrs->attempts))
+ return -1;
+
+ /* Skip already sampled slow rates */
+ if (sample_dur >= minstrel_get_duration(tp_rate1) && mrs->attempts)
return -1;
/*
@@ -1013,7 +1269,6 @@
cur_max_tp_streams = minstrel_mcs_groups[tp_rate1 /
MCS_GROUP_RATES].streams;
- sample_dur = minstrel_get_duration(sample_idx);
if (sample_dur >= minstrel_get_duration(tp_rate2) &&
(cur_max_tp_streams - 1 <
minstrel_mcs_groups[sample_group].streams ||
@@ -1041,9 +1296,6 @@
struct minstrel_priv *mp = priv;
int sample_idx;
- if (rate_control_send_low(sta, priv_sta, txrc))
- return;
-
if (!msp->is_ht)
return mac80211_minstrel.get_rate(priv, sta, &msp->legacy, txrc);
@@ -1077,18 +1329,23 @@
return;
sample_group = &minstrel_mcs_groups[sample_idx / MCS_GROUP_RATES];
+ sample_idx %= MCS_GROUP_RATES;
+
+ if (sample_group == &minstrel_mcs_groups[MINSTREL_CCK_GROUP] &&
+ (sample_idx >= 4) != txrc->short_preamble)
+ return;
+
info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE;
rate->count = 1;
- if (sample_idx / MCS_GROUP_RATES == MINSTREL_CCK_GROUP) {
+ if (sample_group == &minstrel_mcs_groups[MINSTREL_CCK_GROUP]) {
int idx = sample_idx % ARRAY_SIZE(mp->cck_rates);
rate->idx = mp->cck_rates[idx];
} else if (sample_group->flags & IEEE80211_TX_RC_VHT_MCS) {
ieee80211_rate_set_vht(rate, sample_idx % MCS_GROUP_RATES,
sample_group->streams);
} else {
- rate->idx = sample_idx % MCS_GROUP_RATES +
- (sample_group->streams - 1) * 8;
+ rate->idx = sample_idx + (sample_group->streams - 1) * 8;
}
rate->flags = sample_group->flags;
@@ -1130,14 +1387,14 @@
struct minstrel_ht_sta_priv *msp = priv_sta;
struct minstrel_ht_sta *mi = &msp->ht;
struct ieee80211_mcs_info *mcs = &sta->ht_cap.mcs;
- u16 sta_cap = sta->ht_cap.cap;
+ u16 ht_cap = sta->ht_cap.cap;
struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap;
- struct sta_info *sinfo = container_of(sta, struct sta_info, sta);
int use_vht;
int n_supported = 0;
int ack_dur;
int stbc;
int i;
+ bool ldpc;
/* fall back to the old minstrel for legacy stations */
if (!sta->ht_cap.ht_supported)
@@ -1145,12 +1402,10 @@
BUILD_BUG_ON(ARRAY_SIZE(minstrel_mcs_groups) != MINSTREL_GROUPS_NB);
-#ifdef CONFIG_MAC80211_RC_MINSTREL_VHT
if (vht_cap->vht_supported)
use_vht = vht_cap->vht_mcs.tx_mcs_map != cpu_to_le16(~0);
else
-#endif
- use_vht = 0;
+ use_vht = 0;
msp->is_ht = true;
memset(mi, 0, sizeof(*mi));
@@ -1175,16 +1430,22 @@
}
mi->sample_tries = 4;
- /* TODO tx_flags for vht - ATM the RC API is not fine-grained enough */
if (!use_vht) {
- stbc = (sta_cap & IEEE80211_HT_CAP_RX_STBC) >>
+ stbc = (ht_cap & IEEE80211_HT_CAP_RX_STBC) >>
IEEE80211_HT_CAP_RX_STBC_SHIFT;
- mi->tx_flags |= stbc << IEEE80211_TX_CTL_STBC_SHIFT;
- if (sta_cap & IEEE80211_HT_CAP_LDPC_CODING)
- mi->tx_flags |= IEEE80211_TX_CTL_LDPC;
+ ldpc = ht_cap & IEEE80211_HT_CAP_LDPC_CODING;
+ } else {
+ stbc = (vht_cap->cap & IEEE80211_VHT_CAP_RXSTBC_MASK) >>
+ IEEE80211_VHT_CAP_RXSTBC_SHIFT;
+
+ ldpc = vht_cap->cap & IEEE80211_VHT_CAP_RXLDPC;
}
+ mi->tx_flags |= stbc << IEEE80211_TX_CTL_STBC_SHIFT;
+ if (ldpc)
+ mi->tx_flags |= IEEE80211_TX_CTL_LDPC;
+
for (i = 0; i < ARRAY_SIZE(mi->groups); i++) {
u32 gflags = minstrel_mcs_groups[i].flags;
int bw, nss;
@@ -1197,10 +1458,10 @@
if (gflags & IEEE80211_TX_RC_SHORT_GI) {
if (gflags & IEEE80211_TX_RC_40_MHZ_WIDTH) {
- if (!(sta_cap & IEEE80211_HT_CAP_SGI_40))
+ if (!(ht_cap & IEEE80211_HT_CAP_SGI_40))
continue;
} else {
- if (!(sta_cap & IEEE80211_HT_CAP_SGI_20))
+ if (!(ht_cap & IEEE80211_HT_CAP_SGI_20))
continue;
}
}
@@ -1217,10 +1478,9 @@
/* HT rate */
if (gflags & IEEE80211_TX_RC_MCS) {
-#ifdef CONFIG_MAC80211_RC_MINSTREL_VHT
if (use_vht && minstrel_vht_only)
continue;
-#endif
+
mi->supported[i] = mcs->rx_mask[nss - 1];
if (mi->supported[i])
n_supported++;
@@ -1258,11 +1518,10 @@
if (!n_supported)
goto use_legacy;
- if (test_sta_flag(sinfo, WLAN_STA_SHORT_PREAMBLE))
- mi->cck_supported_short |= mi->cck_supported_short << 4;
+ mi->supported[MINSTREL_CCK_GROUP] |= mi->cck_supported_short << 4;
/* create an initial rate table with the lowest supported rates */
- minstrel_ht_update_stats(mp, mi);
+ minstrel_ht_update_stats(mp, mi, true);
minstrel_ht_update_rates(mp, mi);
return;
@@ -1340,16 +1599,92 @@
kfree(msp);
}
+static void
+minstrel_ht_init_cck_rates(struct minstrel_priv *mp)
+{
+ static const int bitrates[4] = { 10, 20, 55, 110 };
+ struct ieee80211_supported_band *sband;
+ u32 rate_flags = ieee80211_chandef_rate_flags(&mp->hw->conf.chandef);
+ int i, j;
+
+ sband = mp->hw->wiphy->bands[NL80211_BAND_2GHZ];
+ if (!sband)
+ return;
+
+ for (i = 0; i < sband->n_bitrates; i++) {
+ struct ieee80211_rate *rate = &sband->bitrates[i];
+
+ if (rate->flags & IEEE80211_RATE_ERP_G)
+ continue;
+
+ if ((rate_flags & sband->bitrates[i].flags) != rate_flags)
+ continue;
+
+ for (j = 0; j < ARRAY_SIZE(bitrates); j++) {
+ if (rate->bitrate != bitrates[j])
+ continue;
+
+ mp->cck_rates[j] = i;
+ break;
+ }
+ }
+}
+
static void *
minstrel_ht_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir)
{
- return mac80211_minstrel.alloc(hw, debugfsdir);
+ struct minstrel_priv *mp;
+
+ mp = kzalloc(sizeof(struct minstrel_priv), GFP_ATOMIC);
+ if (!mp)
+ return NULL;
+
+ mp->sample_switch = -1;
+
+ /* contention window settings
+ * Just an approximation. Using the per-queue values would complicate
+ * the calculations and is probably unnecessary */
+ mp->cw_min = 15;
+ mp->cw_max = 1023;
+
+ /* number of packets (in %) to use for sampling other rates
+ * sample less often for non-mrr packets, because the overhead
+ * is much higher than with mrr */
+ mp->lookaround_rate = 5;
+ mp->lookaround_rate_mrr = 10;
+
+ /* maximum time that the hw is allowed to stay in one MRR segment */
+ mp->segment_size = 6000;
+
+ if (hw->max_rate_tries > 0)
+ mp->max_retry = hw->max_rate_tries;
+ else
+ /* safe default, does not necessarily have to match hw properties */
+ mp->max_retry = 7;
+
+ if (hw->max_rates >= 4)
+ mp->has_mrr = true;
+
+ mp->hw = hw;
+ mp->update_interval = 100;
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+ mp->fixed_rate_idx = (u32) -1;
+ debugfs_create_u32("fixed_rate_idx", S_IRUGO | S_IWUGO, debugfsdir,
+ &mp->fixed_rate_idx);
+ debugfs_create_u32("sample_switch", S_IRUGO | S_IWUSR, debugfsdir,
+ &mp->sample_switch);
+#endif
+
+ minstrel_ht_init_cck_rates(mp);
+
+ return mp;
}
static void
minstrel_ht_free(void *priv)
{
- mac80211_minstrel.free(priv);
+ kfree(priv);
}
static u32 minstrel_ht_get_expected_throughput(void *priv_sta)
@@ -1384,7 +1719,6 @@
.free = minstrel_ht_free,
#ifdef CONFIG_MAC80211_DEBUGFS
.add_sta_debugfs = minstrel_ht_add_sta_debugfs,
- .remove_sta_debugfs = minstrel_ht_remove_sta_debugfs,
#endif
.get_expected_throughput = minstrel_ht_get_expected_throughput,
};
@@ -1409,14 +1743,14 @@
}
int __init
-rc80211_minstrel_ht_init(void)
+rc80211_minstrel_init(void)
{
init_sample_table();
return ieee80211_rate_control_register(&mac80211_minstrel_ht);
}
void
-rc80211_minstrel_ht_exit(void)
+rc80211_minstrel_exit(void)
{
ieee80211_rate_control_unregister(&mac80211_minstrel_ht);
}
diff --git a/net/mac80211/rc80211_minstrel_ht.h b/net/mac80211/rc80211_minstrel_ht.h
index de1646c..f938701 100644
--- a/net/mac80211/rc80211_minstrel_ht.h
+++ b/net/mac80211/rc80211_minstrel_ht.h
@@ -1,9 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2010 Felix Fietkau <nbd@openwrt.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef __RC_MINSTREL_HT_H
@@ -13,13 +10,9 @@
* The number of streams can be changed to 2 to reduce code
* size and memory footprint.
*/
-#define MINSTREL_MAX_STREAMS 3
+#define MINSTREL_MAX_STREAMS 4
#define MINSTREL_HT_STREAM_GROUPS 4 /* BW(=2) * SGI(=2) */
-#ifdef CONFIG_MAC80211_RC_MINSTREL_VHT
#define MINSTREL_VHT_STREAM_GROUPS 6 /* BW(=3) * SGI(=2) */
-#else
-#define MINSTREL_VHT_STREAM_GROUPS 0
-#endif
#define MINSTREL_HT_GROUPS_NB (MINSTREL_MAX_STREAMS * \
MINSTREL_HT_STREAM_GROUPS)
@@ -34,16 +27,14 @@
#define MINSTREL_CCK_GROUP (MINSTREL_HT_GROUP_0 + MINSTREL_HT_GROUPS_NB)
#define MINSTREL_VHT_GROUP_0 (MINSTREL_CCK_GROUP + 1)
-#ifdef CONFIG_MAC80211_RC_MINSTREL_VHT
#define MCS_GROUP_RATES 10
-#else
-#define MCS_GROUP_RATES 8
-#endif
struct mcs_group {
- u32 flags;
- unsigned int streams;
- unsigned int duration[MCS_GROUP_RATES];
+ u16 flags;
+ u8 streams;
+ u8 shift;
+ u8 bw;
+ u16 duration[MCS_GROUP_RATES];
};
extern const struct mcs_group minstrel_mcs_groups[];
@@ -60,6 +51,12 @@
struct minstrel_rate_stats rates[MCS_GROUP_RATES];
};
+enum minstrel_sample_mode {
+ MINSTREL_SAMPLE_IDLE,
+ MINSTREL_SAMPLE_ACTIVE,
+ MINSTREL_SAMPLE_PENDING,
+};
+
struct minstrel_ht_sta {
struct ieee80211_sta *sta;
@@ -81,6 +78,8 @@
unsigned int overhead;
unsigned int overhead_rtscts;
+ unsigned int total_packets_last;
+ unsigned int total_packets_cur;
unsigned int total_packets;
unsigned int sample_packets;
@@ -92,6 +91,9 @@
u8 sample_count;
u8 sample_slow;
+ enum minstrel_sample_mode sample_mode;
+ u16 sample_rate;
+
/* current MCS group to be sampled */
u8 sample_group;
@@ -110,17 +112,12 @@
struct minstrel_ht_sta ht;
struct minstrel_sta_info legacy;
};
-#ifdef CONFIG_MAC80211_DEBUGFS
- struct dentry *dbg_stats;
- struct dentry *dbg_stats_csv;
-#endif
void *ratelist;
void *sample_table;
bool is_ht;
};
void minstrel_ht_add_sta_debugfs(void *priv, void *priv_sta, struct dentry *dir);
-void minstrel_ht_remove_sta_debugfs(void *priv, void *priv_sta);
int minstrel_ht_get_tp_avg(struct minstrel_ht_sta *mi, int group, int rate,
int prob_ewma);
diff --git a/net/mac80211/rc80211_minstrel_ht_debugfs.c b/net/mac80211/rc80211_minstrel_ht_debugfs.c
index bfcc031..5a6e9f3 100644
--- a/net/mac80211/rc80211_minstrel_ht_debugfs.c
+++ b/net/mac80211/rc80211_minstrel_ht_debugfs.c
@@ -1,9 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2010 Felix Fietkau <nbd@openwrt.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/netdevice.h>
#include <linux/types.h>
@@ -15,6 +12,22 @@
#include "rc80211_minstrel.h"
#include "rc80211_minstrel_ht.h"
+static ssize_t
+minstrel_stats_read(struct file *file, char __user *buf, size_t len, loff_t *ppos)
+{
+ struct minstrel_debugfs_info *ms;
+
+ ms = file->private_data;
+ return simple_read_from_buffer(buf, len, ppos, ms->buf, ms->len);
+}
+
+static int
+minstrel_stats_release(struct inode *inode, struct file *file)
+{
+ kfree(file->private_data);
+ return 0;
+}
+
static char *
minstrel_ht_stats_dump(struct minstrel_ht_sta *mi, int i, char *p)
{
@@ -41,7 +54,7 @@
struct minstrel_rate_stats *mrs = &mi->groups[i].rates[j];
static const int bitrates[4] = { 10, 20, 55, 110 };
int idx = i * MCS_GROUP_RATES + j;
- unsigned int prob_ewmsd;
+ unsigned int duration;
if (!(mi->supported[i] & BIT(j)))
continue;
@@ -79,21 +92,21 @@
p += sprintf(p, " %3u ", idx);
/* tx_time[rate(i)] in usec */
- tx_time = DIV_ROUND_CLOSEST(mg->duration[j], 1000);
+ duration = mg->duration[j];
+ duration <<= mg->shift;
+ tx_time = DIV_ROUND_CLOSEST(duration, 1000);
p += sprintf(p, "%6u ", tx_time);
tp_max = minstrel_ht_get_tp_avg(mi, i, j, MINSTREL_FRAC(100, 100));
tp_avg = minstrel_ht_get_tp_avg(mi, i, j, mrs->prob_ewma);
eprob = MINSTREL_TRUNC(mrs->prob_ewma * 1000);
- prob_ewmsd = minstrel_get_ewmsd10(mrs);
- p += sprintf(p, "%4u.%1u %4u.%1u %3u.%1u %3u.%1u"
+ p += sprintf(p, "%4u.%1u %4u.%1u %3u.%1u"
" %3u %3u %-3u "
"%9llu %-9llu\n",
tp_max / 10, tp_max % 10,
tp_avg / 10, tp_avg % 10,
eprob / 10, eprob % 10,
- prob_ewmsd / 10, prob_ewmsd % 10,
mrs->retry_count,
mrs->last_success,
mrs->last_attempts,
@@ -130,9 +143,9 @@
p += sprintf(p, "\n");
p += sprintf(p,
- " best ____________rate__________ ________statistics________ _____last____ ______sum-of________\n");
+ " best ____________rate__________ ____statistics___ _____last____ ______sum-of________\n");
p += sprintf(p,
- "mode guard # rate [name idx airtime max_tp] [avg(tp) avg(prob) sd(prob)] [retry|suc|att] [#success | #attempts]\n");
+ "mode guard # rate [name idx airtime max_tp] [avg(tp) avg(prob)] [retry|suc|att] [#success | #attempts]\n");
p = minstrel_ht_stats_dump(mi, MINSTREL_CCK_GROUP, p);
for (i = 0; i < MINSTREL_CCK_GROUP; i++)
@@ -144,9 +157,10 @@
"lookaround %d\n",
max(0, (int) mi->total_packets - (int) mi->sample_packets),
mi->sample_packets);
- p += sprintf(p, "Average # of aggregated frames per A-MPDU: %d.%d\n",
- MINSTREL_TRUNC(mi->avg_ampdu_len),
- MINSTREL_TRUNC(mi->avg_ampdu_len * 10) % 10);
+ if (mi->avg_ampdu_len)
+ p += sprintf(p, "Average # of aggregated frames per A-MPDU: %d.%d\n",
+ MINSTREL_TRUNC(mi->avg_ampdu_len),
+ MINSTREL_TRUNC(mi->avg_ampdu_len * 10) % 10);
ms->len = p - ms->buf;
WARN_ON(ms->len + sizeof(*ms) > 32768);
@@ -187,7 +201,7 @@
struct minstrel_rate_stats *mrs = &mi->groups[i].rates[j];
static const int bitrates[4] = { 10, 20, 55, 110 };
int idx = i * MCS_GROUP_RATES + j;
- unsigned int prob_ewmsd;
+ unsigned int duration;
if (!(mi->supported[i] & BIT(j)))
continue;
@@ -222,20 +236,21 @@
}
p += sprintf(p, "%u,", idx);
- tx_time = DIV_ROUND_CLOSEST(mg->duration[j], 1000);
+
+ duration = mg->duration[j];
+ duration <<= mg->shift;
+ tx_time = DIV_ROUND_CLOSEST(duration, 1000);
p += sprintf(p, "%u,", tx_time);
tp_max = minstrel_ht_get_tp_avg(mi, i, j, MINSTREL_FRAC(100, 100));
tp_avg = minstrel_ht_get_tp_avg(mi, i, j, mrs->prob_ewma);
eprob = MINSTREL_TRUNC(mrs->prob_ewma * 1000);
- prob_ewmsd = minstrel_get_ewmsd10(mrs);
- p += sprintf(p, "%u.%u,%u.%u,%u.%u,%u.%u,%u,%u,"
+ p += sprintf(p, "%u.%u,%u.%u,%u.%u,%u,%u,"
"%u,%llu,%llu,",
tp_max / 10, tp_max % 10,
tp_avg / 10, tp_avg % 10,
eprob / 10, eprob % 10,
- prob_ewmsd / 10, prob_ewmsd % 10,
mrs->retry_count,
mrs->last_success,
mrs->last_attempts,
@@ -303,17 +318,8 @@
{
struct minstrel_ht_sta_priv *msp = priv_sta;
- msp->dbg_stats = debugfs_create_file("rc_stats", 0444, dir, msp,
- &minstrel_ht_stat_fops);
- msp->dbg_stats_csv = debugfs_create_file("rc_stats_csv", 0444, dir, msp,
- &minstrel_ht_stat_csv_fops);
-}
-
-void
-minstrel_ht_remove_sta_debugfs(void *priv, void *priv_sta)
-{
- struct minstrel_ht_sta_priv *msp = priv_sta;
-
- debugfs_remove(msp->dbg_stats);
- debugfs_remove(msp->dbg_stats_csv);
+ debugfs_create_file("rc_stats", 0444, dir, msp,
+ &minstrel_ht_stat_fops);
+ debugfs_create_file("rc_stats_csv", 0444, dir, msp,
+ &minstrel_ht_stat_csv_fops);
}
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 5e2b4a4..0e05ff0 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2002-2005, Instant802 Networks, Inc.
* Copyright 2005-2006, Devicescape Software, Inc.
@@ -5,11 +6,7 @@
* Copyright 2007-2010 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright(c) 2015 - 2017 Intel Deutschland GmbH
- * Copyright (C) 2018 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
+ * Copyright (C) 2018-2019 Intel Corporation
*/
#include <linux/jiffies.h>
@@ -115,7 +112,8 @@
if (status->flag & (RX_FLAG_FAILED_FCS_CRC |
RX_FLAG_FAILED_PLCP_CRC |
- RX_FLAG_ONLY_MONITOR))
+ RX_FLAG_ONLY_MONITOR |
+ RX_FLAG_NO_PSDU))
return true;
if (unlikely(skb->len < 16 + present_fcs_len + rtap_space))
@@ -142,6 +140,9 @@
/* allocate extra bitmaps */
if (status->chains)
len += 4 * hweight8(status->chains);
+ /* vendor presence bitmap */
+ if (status->flag & RX_FLAG_RADIOTAP_VENDOR_DATA)
+ len += 4;
if (ieee80211_have_rx_timestamp(status)) {
len = ALIGN(len, 8);
@@ -189,16 +190,40 @@
BUILD_BUG_ON(sizeof(struct ieee80211_radiotap_he_mu) != 12);
}
+ if (status->flag & RX_FLAG_NO_PSDU)
+ len += 1;
+
+ if (status->flag & RX_FLAG_RADIOTAP_LSIG) {
+ len = ALIGN(len, 2);
+ len += 4;
+ BUILD_BUG_ON(sizeof(struct ieee80211_radiotap_lsig) != 4);
+ }
+
if (status->chains) {
/* antenna and antenna signal fields */
len += 2 * hweight8(status->chains);
}
if (status->flag & RX_FLAG_RADIOTAP_VENDOR_DATA) {
- struct ieee80211_vendor_radiotap *rtap = (void *)skb->data;
+ struct ieee80211_vendor_radiotap *rtap;
+ int vendor_data_offset = 0;
- /* vendor presence bitmap */
- len += 4;
+ /*
+ * The position to look at depends on the existence (or non-
+ * existence) of other elements, so take that into account...
+ */
+ if (status->flag & RX_FLAG_RADIOTAP_HE)
+ vendor_data_offset +=
+ sizeof(struct ieee80211_radiotap_he);
+ if (status->flag & RX_FLAG_RADIOTAP_HE_MU)
+ vendor_data_offset +=
+ sizeof(struct ieee80211_radiotap_he_mu);
+ if (status->flag & RX_FLAG_RADIOTAP_LSIG)
+ vendor_data_offset +=
+ sizeof(struct ieee80211_radiotap_lsig);
+
+ rtap = (void *)&skb->data[vendor_data_offset];
+
/* alignment for fixed 6-byte vendor data header */
len = ALIGN(len, 2);
/* vendor data header */
@@ -220,7 +245,7 @@
struct ieee80211_hdr_3addr hdr;
u8 category;
u8 action_code;
- } __packed action;
+ } __packed __aligned(2) action;
if (!sdata)
return;
@@ -279,6 +304,7 @@
struct ieee80211_vendor_radiotap rtap = {};
struct ieee80211_radiotap_he he = {};
struct ieee80211_radiotap_he_mu he_mu = {};
+ struct ieee80211_radiotap_lsig lsig = {};
if (status->flag & RX_FLAG_RADIOTAP_HE) {
he = *(struct ieee80211_radiotap_he *)skb->data;
@@ -291,6 +317,11 @@
skb_pull(skb, sizeof(he_mu));
}
+ if (status->flag & RX_FLAG_RADIOTAP_LSIG) {
+ lsig = *(struct ieee80211_radiotap_lsig *)skb->data;
+ skb_pull(skb, sizeof(lsig));
+ }
+
if (status->flag & RX_FLAG_RADIOTAP_VENDOR_DATA) {
rtap = *(struct ieee80211_vendor_radiotap *)skb->data;
/* rtap.len and rtap.pad are undone immediately */
@@ -549,7 +580,7 @@
if (status->encoding == RX_ENC_HE &&
status->flag & RX_FLAG_RADIOTAP_HE) {
-#define HE_PREP(f, val) cpu_to_le16(FIELD_PREP(IEEE80211_RADIOTAP_HE_##f, val))
+#define HE_PREP(f, val) le16_encode_bits(val, IEEE80211_RADIOTAP_HE_##f)
if (status->enc_flags & RX_ENC_FLAG_STBC_MASK) {
he.data6 |= HE_PREP(DATA6_NSTS,
@@ -630,6 +661,21 @@
pos += sizeof(he_mu);
}
+ if (status->flag & RX_FLAG_NO_PSDU) {
+ rthdr->it_present |=
+ cpu_to_le32(1 << IEEE80211_RADIOTAP_ZERO_LEN_PSDU);
+ *pos++ = status->zero_length_psdu_type;
+ }
+
+ if (status->flag & RX_FLAG_RADIOTAP_LSIG) {
+ /* ensure 2 byte alignment */
+ while ((pos - (u8 *)rthdr) & 1)
+ pos++;
+ rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_LSIG);
+ memcpy(pos, &lsig, sizeof(lsig));
+ pos += sizeof(lsig);
+ }
+
for_each_set_bit(chain, &chains, IEEE80211_MAX_CHAINS) {
*pos++ = status->chain_signal[chain];
*pos++ = chain;
@@ -722,6 +768,7 @@
struct ieee80211_sub_if_data *monitor_sdata =
rcu_dereference(local->monitor_sdata);
bool only_monitor = false;
+ unsigned int min_head_len;
if (status->flag & RX_FLAG_RADIOTAP_HE)
rtap_space += sizeof(struct ieee80211_radiotap_he);
@@ -729,12 +776,18 @@
if (status->flag & RX_FLAG_RADIOTAP_HE_MU)
rtap_space += sizeof(struct ieee80211_radiotap_he_mu);
+ if (status->flag & RX_FLAG_RADIOTAP_LSIG)
+ rtap_space += sizeof(struct ieee80211_radiotap_lsig);
+
if (unlikely(status->flag & RX_FLAG_RADIOTAP_VENDOR_DATA)) {
- struct ieee80211_vendor_radiotap *rtap = (void *)origskb->data;
+ struct ieee80211_vendor_radiotap *rtap =
+ (void *)(origskb->data + rtap_space);
rtap_space += sizeof(*rtap) + rtap->len + rtap->pad;
}
+ min_head_len = rtap_space;
+
/*
* First, we may need to make a copy of the skb because
* (1) we need to modify it for radiotap (if not present), and
@@ -744,18 +797,23 @@
* the SKB because it has a bad FCS/PLCP checksum.
*/
- if (ieee80211_hw_check(&local->hw, RX_INCLUDES_FCS)) {
- if (unlikely(origskb->len <= FCS_LEN)) {
- /* driver bug */
- WARN_ON(1);
- dev_kfree_skb(origskb);
- return NULL;
+ if (!(status->flag & RX_FLAG_NO_PSDU)) {
+ if (ieee80211_hw_check(&local->hw, RX_INCLUDES_FCS)) {
+ if (unlikely(origskb->len <= FCS_LEN + rtap_space)) {
+ /* driver bug */
+ WARN_ON(1);
+ dev_kfree_skb(origskb);
+ return NULL;
+ }
+ present_fcs_len = FCS_LEN;
}
- present_fcs_len = FCS_LEN;
+
+ /* also consider the hdr->frame_control */
+ min_head_len += 2;
}
- /* ensure hdr->frame_control and vendor radiotap data are in skb head */
- if (!pskb_may_pull(origskb, 2 + rtap_space)) {
+ /* ensure that the expected data elements are in skb head */
+ if (!pskb_may_pull(origskb, min_head_len)) {
dev_kfree_skb(origskb);
return NULL;
}
@@ -944,23 +1002,43 @@
return -1;
}
-static int ieee80211_get_cs_keyid(const struct ieee80211_cipher_scheme *cs,
- struct sk_buff *skb)
+static int ieee80211_get_keyid(struct sk_buff *skb,
+ const struct ieee80211_cipher_scheme *cs)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
__le16 fc;
int hdrlen;
+ int minlen;
+ u8 key_idx_off;
+ u8 key_idx_shift;
u8 keyid;
fc = hdr->frame_control;
hdrlen = ieee80211_hdrlen(fc);
- if (skb->len < hdrlen + cs->hdr_len)
+ if (cs) {
+ minlen = hdrlen + cs->hdr_len;
+ key_idx_off = hdrlen + cs->key_idx_off;
+ key_idx_shift = cs->key_idx_shift;
+ } else {
+ /* WEP, TKIP, CCMP and GCMP */
+ minlen = hdrlen + IEEE80211_WEP_IV_LEN;
+ key_idx_off = hdrlen + 3;
+ key_idx_shift = 6;
+ }
+
+ if (unlikely(skb->len < minlen))
return -EINVAL;
- skb_copy_bits(skb, hdrlen + cs->key_idx_off, &keyid, 1);
- keyid &= cs->key_idx_mask;
- keyid >>= cs->key_idx_shift;
+ skb_copy_bits(skb, key_idx_off, &keyid, 1);
+
+ if (cs)
+ keyid &= cs->key_idx_mask;
+ keyid >>= key_idx_shift;
+
+ /* cs could use more than the usual two bits for the keyid */
+ if (unlikely(keyid >= NUM_DEFAULT_KEYS))
+ return -EINVAL;
return keyid;
}
@@ -1506,8 +1584,16 @@
if (!sta->sta.txq[0])
return;
- for (tid = 0; tid < ARRAY_SIZE(sta->sta.txq); tid++) {
- if (txq_has_queue(sta->sta.txq[tid]))
+ for (tid = 0; tid < IEEE80211_NUM_TIDS; tid++) {
+ struct ieee80211_txq *txq = sta->sta.txq[tid];
+ struct txq_info *txqi = to_txq_info(txq);
+
+ spin_lock(&local->active_txq_lock[txq->ac]);
+ if (!list_empty(&txqi->schedule_order))
+ list_del_init(&txqi->schedule_order);
+ spin_unlock(&local->active_txq_lock[txq->ac]);
+
+ if (txq_has_queue(txq))
set_bit(tid, &sta->txq_buffered_tids);
else
clear_bit(tid, &sta->txq_buffered_tids);
@@ -1791,9 +1877,9 @@
struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
int keyidx;
- int hdrlen;
ieee80211_rx_result result = RX_DROP_UNUSABLE;
struct ieee80211_key *sta_ptk = NULL;
+ struct ieee80211_key *ptk_idx = NULL;
int mmie_keyidx = -1;
__le16 fc;
const struct ieee80211_cipher_scheme *cs = NULL;
@@ -1831,21 +1917,24 @@
if (rx->sta) {
int keyid = rx->sta->ptk_idx;
+ sta_ptk = rcu_dereference(rx->sta->ptk[keyid]);
- if (ieee80211_has_protected(fc) && rx->sta->cipher_scheme) {
+ if (ieee80211_has_protected(fc)) {
cs = rx->sta->cipher_scheme;
- keyid = ieee80211_get_cs_keyid(cs, rx->skb);
+ keyid = ieee80211_get_keyid(rx->skb, cs);
+
if (unlikely(keyid < 0))
return RX_DROP_UNUSABLE;
+
+ ptk_idx = rcu_dereference(rx->sta->ptk[keyid]);
}
- sta_ptk = rcu_dereference(rx->sta->ptk[keyid]);
}
if (!ieee80211_has_protected(fc))
mmie_keyidx = ieee80211_get_mmie_keyidx(rx->skb);
if (!is_multicast_ether_addr(hdr->addr1) && sta_ptk) {
- rx->key = sta_ptk;
+ rx->key = ptk_idx ? ptk_idx : sta_ptk;
if ((status->flag & RX_FLAG_DECRYPTED) &&
(status->flag & RX_FLAG_IV_STRIPPED))
return RX_CONTINUE;
@@ -1905,8 +1994,6 @@
}
return RX_CONTINUE;
} else {
- u8 keyid;
-
/*
* The device doesn't give us the IV so we won't be
* able to look up the key. That's ok though, we
@@ -1920,23 +2007,10 @@
(status->flag & RX_FLAG_IV_STRIPPED))
return RX_CONTINUE;
- hdrlen = ieee80211_hdrlen(fc);
+ keyidx = ieee80211_get_keyid(rx->skb, cs);
- if (cs) {
- keyidx = ieee80211_get_cs_keyid(cs, rx->skb);
-
- if (unlikely(keyidx < 0))
- return RX_DROP_UNUSABLE;
- } else {
- if (rx->skb->len < 8 + hdrlen)
- return RX_DROP_UNUSABLE; /* TODO: count this? */
- /*
- * no need to call ieee80211_wep_get_keyidx,
- * it verifies a bunch of things we've done already
- */
- skb_copy_bits(rx->skb, hdrlen + 3, &keyid, 1);
- keyidx = keyid >> 6;
- }
+ if (unlikely(keyidx < 0))
+ return RX_DROP_UNUSABLE;
/* check per-station GTK first, if multicast packet */
if (is_multicast_ether_addr(hdr->addr1) && rx->sta)
@@ -2047,6 +2121,7 @@
idx = sdata->fragment_next;
for (i = 0; i < IEEE80211_FRAGMENT_MAX; i++) {
struct ieee80211_hdr *f_hdr;
+ struct sk_buff *f_skb;
idx--;
if (idx < 0)
@@ -2058,7 +2133,8 @@
entry->last_frag + 1 != frag)
continue;
- f_hdr = (struct ieee80211_hdr *)entry->skb_list.next->data;
+ f_skb = __skb_peek(&entry->skb_list);
+ f_hdr = (struct ieee80211_hdr *) f_skb->data;
/*
* Check ftype and addresses are equal, else check next fragment
@@ -2315,7 +2391,7 @@
if (!sdata->u.mgd.use_4addr)
return -1;
- else
+ else if (!ether_addr_equal(hdr->addr1, sdata->vif.addr))
check_port_control = true;
}
@@ -2371,11 +2447,13 @@
skb->protocol == cpu_to_be16(ETH_P_PREAUTH)) &&
sdata->control_port_over_nl80211)) {
struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
- bool noencrypt = status->flag & RX_FLAG_DECRYPTED;
+ bool noencrypt = !(status->flag & RX_FLAG_DECRYPTED);
cfg80211_rx_control_port(dev, skb, noencrypt);
dev_kfree_skb(skb);
} else {
+ memset(skb->cb, 0, sizeof(skb->cb));
+
/* deliver to local stack */
if (rx->napi)
napi_gro_receive(rx->napi, skb);
@@ -2426,8 +2504,9 @@
if (!xmit_skb)
net_info_ratelimited("%s: failed to clone multicast frame\n",
dev->name);
- } else if (!is_multicast_ether_addr(ehdr->h_dest)) {
- dsta = sta_info_get(sdata, skb->data);
+ } else if (!is_multicast_ether_addr(ehdr->h_dest) &&
+ !ether_addr_equal(ehdr->h_dest, ehdr->h_source)) {
+ dsta = sta_info_get(sdata, ehdr->h_dest);
if (dsta) {
/*
* The destination station is associated to
@@ -2469,8 +2548,6 @@
if (skb) {
skb->protocol = eth_type_trans(skb, dev);
- memset(skb->cb, 0, sizeof(skb->cb));
-
ieee80211_deliver_skb_to_local_stack(skb, rx);
}
@@ -2597,6 +2674,7 @@
struct ieee80211_sub_if_data *sdata = rx->sdata;
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
u16 ac, q, hdrlen;
+ int tailroom = 0;
hdr = (struct ieee80211_hdr *) skb->data;
hdrlen = ieee80211_hdrlen(hdr->frame_control);
@@ -2676,15 +2754,21 @@
skb_set_queue_mapping(skb, q);
if (!--mesh_hdr->ttl) {
- IEEE80211_IFSTA_MESH_CTR_INC(ifmsh, dropped_frames_ttl);
+ if (!is_multicast_ether_addr(hdr->addr1))
+ IEEE80211_IFSTA_MESH_CTR_INC(ifmsh,
+ dropped_frames_ttl);
goto out;
}
if (!ifmsh->mshcfg.dot11MeshForwarding)
goto out;
+ if (sdata->crypto_tx_tailroom_needed_cnt)
+ tailroom = IEEE80211_ENCRYPT_TAILROOM;
+
fwd_skb = skb_copy_expand(skb, local->tx_headroom +
- sdata->encrypt_headroom, 0, GFP_ATOMIC);
+ sdata->encrypt_headroom,
+ tailroom, GFP_ATOMIC);
if (!fwd_skb)
goto out;
@@ -3383,9 +3467,18 @@
case cpu_to_le16(IEEE80211_STYPE_PROBE_RESP):
/* process for all: mesh, mlme, ibss */
break;
+ case cpu_to_le16(IEEE80211_STYPE_DEAUTH):
+ if (is_multicast_ether_addr(mgmt->da) &&
+ !is_broadcast_ether_addr(mgmt->da))
+ return RX_DROP_MONITOR;
+
+ /* process only for station/IBSS */
+ if (sdata->vif.type != NL80211_IFTYPE_STATION &&
+ sdata->vif.type != NL80211_IFTYPE_ADHOC)
+ return RX_DROP_MONITOR;
+ break;
case cpu_to_le16(IEEE80211_STYPE_ASSOC_RESP):
case cpu_to_le16(IEEE80211_STYPE_REASSOC_RESP):
- case cpu_to_le16(IEEE80211_STYPE_DEAUTH):
case cpu_to_le16(IEEE80211_STYPE_DISASSOC):
if (is_multicast_ether_addr(mgmt->da) &&
!is_broadcast_ether_addr(mgmt->da))
@@ -3744,6 +3837,8 @@
case NL80211_IFTYPE_STATION:
if (!bssid && !sdata->u.mgd.use_4addr)
return false;
+ if (ieee80211_is_robust_mgmt_frame(skb) && !rx->sta)
+ return false;
if (multicast)
return true;
return ether_addr_equal(sdata->vif.addr, hdr->addr1);
@@ -3971,12 +4066,8 @@
case WLAN_CIPHER_SUITE_GCMP_256:
break;
default:
- /* we also don't want to deal with WEP or cipher scheme
- * since those require looking up the key idx in the
- * frame, rather than assuming the PTK is used
- * (we need to revisit this once we implement the real
- * PTK index, which is now valid in the spec, but we
- * haven't implemented that part yet)
+ /* We also don't want to deal with
+ * WEP or cipher scheme.
*/
goto clear_rcu;
}
@@ -4208,11 +4299,10 @@
if (fast_rx->internal_forward) {
struct sk_buff *xmit_skb = NULL;
- bool multicast = is_multicast_ether_addr(skb->data);
-
- if (multicast) {
+ if (is_multicast_ether_addr(addrs.da)) {
xmit_skb = skb_copy(skb, GFP_ATOMIC);
- } else if (sta_info_get(rx->sdata, skb->data)) {
+ } else if (!ether_addr_equal(addrs.da, addrs.sa) &&
+ sta_info_get(rx->sdata, addrs.da)) {
xmit_skb = skb;
skb = NULL;
}
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index 5d2a117..4d31d96 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Scanning implementation
*
@@ -8,10 +9,7 @@
* Copyright 2007, Michael Wu <flamingice@sourmilk.net>
* Copyright 2013-2015 Intel Mobile Communications GmbH
* Copyright 2016-2017 Intel Deutschland GmbH
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
+ * Copyright (C) 2018-2019 Intel Corporation
*/
#include <linux/if_arp.h>
@@ -57,62 +55,14 @@
return qos_info & IEEE80211_WMM_IE_AP_QOSINFO_UAPSD;
}
-struct ieee80211_bss *
-ieee80211_bss_info_update(struct ieee80211_local *local,
- struct ieee80211_rx_status *rx_status,
- struct ieee80211_mgmt *mgmt, size_t len,
- struct ieee802_11_elems *elems,
- struct ieee80211_channel *channel)
+static void
+ieee80211_update_bss_from_elems(struct ieee80211_local *local,
+ struct ieee80211_bss *bss,
+ struct ieee802_11_elems *elems,
+ struct ieee80211_rx_status *rx_status,
+ bool beacon)
{
- bool beacon = ieee80211_is_beacon(mgmt->frame_control);
- struct cfg80211_bss *cbss;
- struct ieee80211_bss *bss;
int clen, srlen;
- struct cfg80211_inform_bss bss_meta = {
- .boottime_ns = rx_status->boottime_ns,
- };
- bool signal_valid;
- struct ieee80211_sub_if_data *scan_sdata;
-
- if (rx_status->flag & RX_FLAG_NO_SIGNAL_VAL)
- bss_meta.signal = 0; /* invalid signal indication */
- else if (ieee80211_hw_check(&local->hw, SIGNAL_DBM))
- bss_meta.signal = rx_status->signal * 100;
- else if (ieee80211_hw_check(&local->hw, SIGNAL_UNSPEC))
- bss_meta.signal = (rx_status->signal * 100) / local->hw.max_signal;
-
- bss_meta.scan_width = NL80211_BSS_CHAN_WIDTH_20;
- if (rx_status->bw == RATE_INFO_BW_5)
- bss_meta.scan_width = NL80211_BSS_CHAN_WIDTH_5;
- else if (rx_status->bw == RATE_INFO_BW_10)
- bss_meta.scan_width = NL80211_BSS_CHAN_WIDTH_10;
-
- bss_meta.chan = channel;
-
- rcu_read_lock();
- scan_sdata = rcu_dereference(local->scan_sdata);
- if (scan_sdata && scan_sdata->vif.type == NL80211_IFTYPE_STATION &&
- scan_sdata->vif.bss_conf.assoc &&
- ieee80211_have_rx_timestamp(rx_status)) {
- bss_meta.parent_tsf =
- ieee80211_calculate_rx_timestamp(local, rx_status,
- len + FCS_LEN, 24);
- ether_addr_copy(bss_meta.parent_bssid,
- scan_sdata->vif.bss_conf.bssid);
- }
- rcu_read_unlock();
-
- cbss = cfg80211_inform_bss_frame_data(local->hw.wiphy, &bss_meta,
- mgmt, len, GFP_ATOMIC);
- if (!cbss)
- return NULL;
- /* In case the signal is invalid update the status */
- signal_valid = abs(channel->center_freq - cbss->channel->center_freq)
- <= local->hw.wiphy->max_adj_channel_rssi_comp;
- if (!signal_valid)
- rx_status->flag |= RX_FLAG_NO_SIGNAL_VAL;
-
- bss = (void *)cbss->priv;
if (beacon)
bss->device_ts_beacon = rx_status->device_timestamp;
@@ -182,6 +132,89 @@
bss->beacon_rate =
&sband->bitrates[rx_status->rate_idx];
}
+}
+
+struct ieee80211_bss *
+ieee80211_bss_info_update(struct ieee80211_local *local,
+ struct ieee80211_rx_status *rx_status,
+ struct ieee80211_mgmt *mgmt, size_t len,
+ struct ieee80211_channel *channel)
+{
+ bool beacon = ieee80211_is_beacon(mgmt->frame_control);
+ struct cfg80211_bss *cbss, *non_tx_cbss;
+ struct ieee80211_bss *bss, *non_tx_bss;
+ struct cfg80211_inform_bss bss_meta = {
+ .boottime_ns = rx_status->boottime_ns,
+ };
+ bool signal_valid;
+ struct ieee80211_sub_if_data *scan_sdata;
+ struct ieee802_11_elems elems;
+ size_t baselen;
+ u8 *elements;
+
+ if (rx_status->flag & RX_FLAG_NO_SIGNAL_VAL)
+ bss_meta.signal = 0; /* invalid signal indication */
+ else if (ieee80211_hw_check(&local->hw, SIGNAL_DBM))
+ bss_meta.signal = rx_status->signal * 100;
+ else if (ieee80211_hw_check(&local->hw, SIGNAL_UNSPEC))
+ bss_meta.signal = (rx_status->signal * 100) / local->hw.max_signal;
+
+ bss_meta.scan_width = NL80211_BSS_CHAN_WIDTH_20;
+ if (rx_status->bw == RATE_INFO_BW_5)
+ bss_meta.scan_width = NL80211_BSS_CHAN_WIDTH_5;
+ else if (rx_status->bw == RATE_INFO_BW_10)
+ bss_meta.scan_width = NL80211_BSS_CHAN_WIDTH_10;
+
+ bss_meta.chan = channel;
+
+ rcu_read_lock();
+ scan_sdata = rcu_dereference(local->scan_sdata);
+ if (scan_sdata && scan_sdata->vif.type == NL80211_IFTYPE_STATION &&
+ scan_sdata->vif.bss_conf.assoc &&
+ ieee80211_have_rx_timestamp(rx_status)) {
+ bss_meta.parent_tsf =
+ ieee80211_calculate_rx_timestamp(local, rx_status,
+ len + FCS_LEN, 24);
+ ether_addr_copy(bss_meta.parent_bssid,
+ scan_sdata->vif.bss_conf.bssid);
+ }
+ rcu_read_unlock();
+
+ cbss = cfg80211_inform_bss_frame_data(local->hw.wiphy, &bss_meta,
+ mgmt, len, GFP_ATOMIC);
+ if (!cbss)
+ return NULL;
+
+ if (ieee80211_is_probe_resp(mgmt->frame_control)) {
+ elements = mgmt->u.probe_resp.variable;
+ baselen = offsetof(struct ieee80211_mgmt,
+ u.probe_resp.variable);
+ } else {
+ baselen = offsetof(struct ieee80211_mgmt, u.beacon.variable);
+ elements = mgmt->u.beacon.variable;
+ }
+
+ if (baselen > len)
+ return NULL;
+
+ ieee802_11_parse_elems(elements, len - baselen, false, &elems,
+ mgmt->bssid, cbss->bssid);
+
+ /* In case the signal is invalid update the status */
+ signal_valid = abs(channel->center_freq - cbss->channel->center_freq)
+ <= local->hw.wiphy->max_adj_channel_rssi_comp;
+ if (!signal_valid)
+ rx_status->flag |= RX_FLAG_NO_SIGNAL_VAL;
+
+ bss = (void *)cbss->priv;
+ ieee80211_update_bss_from_elems(local, bss, &elems, rx_status, beacon);
+
+ list_for_each_entry(non_tx_cbss, &cbss->nontrans_list, nontrans_list) {
+ non_tx_bss = (void *)non_tx_cbss->priv;
+
+ ieee80211_update_bss_from_elems(local, non_tx_bss, &elems,
+ rx_status, beacon);
+ }
return bss;
}
@@ -206,10 +239,7 @@
struct ieee80211_sub_if_data *sdata1, *sdata2;
struct ieee80211_mgmt *mgmt = (void *)skb->data;
struct ieee80211_bss *bss;
- u8 *elements;
struct ieee80211_channel *channel;
- size_t baselen;
- struct ieee802_11_elems elems;
if (skb->len < 24 ||
(!ieee80211_is_probe_resp(mgmt->frame_control) &&
@@ -244,26 +274,15 @@
!ieee80211_scan_accept_presp(sdata2, sched_scan_req_flags,
mgmt->da))
return;
-
- elements = mgmt->u.probe_resp.variable;
- baselen = offsetof(struct ieee80211_mgmt, u.probe_resp.variable);
- } else {
- baselen = offsetof(struct ieee80211_mgmt, u.beacon.variable);
- elements = mgmt->u.beacon.variable;
}
- if (baselen > skb->len)
- return;
-
- ieee802_11_parse_elems(elements, skb->len - baselen, false, &elems);
-
channel = ieee80211_get_channel(local->hw.wiphy, rx_status->freq);
if (!channel || channel->flags & IEEE80211_CHAN_DISABLED)
return;
bss = ieee80211_bss_info_update(local, rx_status,
- mgmt, skb->len, &elems,
+ mgmt, skb->len,
channel);
if (bss)
ieee80211_rx_bss_put(local, bss);
@@ -356,7 +375,7 @@
static void __ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
{
struct ieee80211_local *local = hw_to_local(hw);
- bool hw_scan = local->ops->hw_scan;
+ bool hw_scan = test_bit(SCAN_HW_SCANNING, &local->scanning);
bool was_scanning = local->scanning;
struct cfg80211_scan_request *scan_req;
struct ieee80211_sub_if_data *scan_sdata;
@@ -501,10 +520,33 @@
return 0;
}
+static bool __ieee80211_can_leave_ch(struct ieee80211_sub_if_data *sdata)
+{
+ struct ieee80211_local *local = sdata->local;
+ struct ieee80211_sub_if_data *sdata_iter;
+
+ if (!ieee80211_is_radar_required(local))
+ return true;
+
+ if (!regulatory_pre_cac_allowed(local->hw.wiphy))
+ return false;
+
+ mutex_lock(&local->iflist_mtx);
+ list_for_each_entry(sdata_iter, &local->interfaces, list) {
+ if (sdata_iter->wdev.cac_started) {
+ mutex_unlock(&local->iflist_mtx);
+ return false;
+ }
+ }
+ mutex_unlock(&local->iflist_mtx);
+
+ return true;
+}
+
static bool ieee80211_can_scan(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata)
{
- if (ieee80211_is_radar_required(local))
+ if (!__ieee80211_can_leave_ch(sdata))
return false;
if (!list_empty(&local->roc_list))
@@ -606,11 +648,15 @@
struct cfg80211_scan_request *req)
{
struct ieee80211_local *local = sdata->local;
+ bool hw_scan = local->ops->hw_scan;
int rc;
lockdep_assert_held(&local->mtx);
- if (local->scan_req || ieee80211_is_radar_required(local))
+ if (local->scan_req)
+ return -EBUSY;
+
+ if (!__ieee80211_can_leave_ch(sdata))
return -EBUSY;
if (!ieee80211_can_scan(local, sdata)) {
@@ -620,7 +666,8 @@
return 0;
}
- if (local->ops->hw_scan) {
+ again:
+ if (hw_scan) {
u8 *ies;
local->hw_scan_ies_bufsize = local->scan_ies_len + req->ie_len;
@@ -679,7 +726,7 @@
else
memcpy(local->scan_addr, sdata->vif.addr, ETH_ALEN);
- if (local->ops->hw_scan) {
+ if (hw_scan) {
__set_bit(SCAN_HW_SCANNING, &local->scanning);
} else if ((req->n_channels == 1) &&
(req->channels[0] == local->_oper_chandef.chan)) {
@@ -722,7 +769,7 @@
ieee80211_recalc_idle(local);
- if (local->ops->hw_scan) {
+ if (hw_scan) {
WARN_ON(!ieee80211_prep_hw_scan(local));
rc = drv_hw_scan(local, sdata, local->hw_scan_req);
} else {
@@ -740,6 +787,18 @@
RCU_INIT_POINTER(local->scan_sdata, NULL);
}
+ if (hw_scan && rc == 1) {
+ /*
+ * we can't fall back to software for P2P-GO
+ * as it must update NoA etc.
+ */
+ if (ieee80211_vif_type_p2p(&sdata->vif) ==
+ NL80211_IFTYPE_P2P_GO)
+ return -EOPNOTSUPP;
+ hw_scan = false;
+ goto again;
+ }
+
return rc;
}
diff --git a/net/mac80211/spectmgmt.c b/net/mac80211/spectmgmt.c
index 0293348..5fe2b64 100644
--- a/net/mac80211/spectmgmt.c
+++ b/net/mac80211/spectmgmt.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* spectrum management
*
@@ -9,10 +10,6 @@
* Copyright 2007-2008, Intel Corporation
* Copyright 2008, Johannes Berg <johannes@sipsolutions.net>
* Copyright (C) 2018 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/ieee80211.h>
@@ -144,6 +141,7 @@
wide_bw_chansw_ie->new_center_freq_seg1,
/* .basic_mcs_set doesn't matter */
};
+ struct ieee80211_ht_operation ht_oper = {};
/* default, for the case of IEEE80211_VHT_CHANWIDTH_USE_HT,
* to the previously parsed chandef
@@ -151,7 +149,9 @@
new_vht_chandef = csa_ie->chandef;
/* ignore if parsing fails */
- if (!ieee80211_chandef_vht_oper(&vht_oper, &new_vht_chandef))
+ if (!ieee80211_chandef_vht_oper(&sdata->local->hw,
+ &vht_oper, &ht_oper,
+ &new_vht_chandef))
new_vht_chandef.chan = NULL;
if (sta_flags & IEEE80211_STA_DISABLE_80P80MHZ &&
@@ -174,6 +174,12 @@
csa_ie->chandef = new_vht_chandef;
}
+ if (elems->max_channel_switch_time)
+ csa_ie->max_switch_time =
+ (elems->max_channel_switch_time[0] << 0) |
+ (elems->max_channel_switch_time[1] << 8) |
+ (elems->max_channel_switch_time[2] << 16);
+
return 0;
}
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index f342022..8d3a238 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2002-2005, Instant802 Networks, Inc.
* Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright (C) 2015 - 2017 Intel Deutschland GmbH
- * Copyright (C) 2018 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
+ * Copyright (C) 2018-2019 Intel Corporation
*/
#include <linux/module.h>
@@ -90,7 +87,6 @@
struct tid_ampdu_tx *tid_tx;
struct ieee80211_sub_if_data *sdata = sta->sdata;
struct ieee80211_local *local = sdata->local;
- struct fq *fq = &local->fq;
struct ps_data *ps;
if (test_sta_flag(sta, WLAN_STA_PS_STA) ||
@@ -113,11 +109,14 @@
if (sta->sta.txq[0]) {
for (i = 0; i < ARRAY_SIZE(sta->sta.txq); i++) {
- struct txq_info *txqi = to_txq_info(sta->sta.txq[i]);
+ struct txq_info *txqi;
- spin_lock_bh(&fq->lock);
+ if (!sta->sta.txq[i])
+ continue;
+
+ txqi = to_txq_info(sta->sta.txq[i]);
+
ieee80211_txq_purge(local, txqi);
- spin_unlock_bh(&fq->lock);
}
}
@@ -345,6 +344,15 @@
sta->sta.max_rx_aggregation_subframes =
local->hw.max_rx_aggregation_subframes;
+ /* Extended Key ID needs to install keys for keyid 0 and 1 Rx-only.
+ * The Tx path starts to use a key as soon as the key slot ptk_idx
+ * references to is not NULL. To not use the initial Rx-only key
+ * prematurely for Tx initialize ptk_idx to an impossible PTK keyid
+ * which always will refer to a NULL key.
+ */
+ BUILD_BUG_ON(ARRAY_SIZE(sta->ptk) <= INVALID_PTK_KEYIDX);
+ sta->ptk_idx = INVALID_PTK_KEYIDX;
+
sta->local = local;
sta->sdata = sdata;
sta->rx_stats.last_rx = jiffies;
@@ -374,6 +382,7 @@
for (i = 0; i < ARRAY_SIZE(sta->sta.txq); i++) {
struct txq_info *txq = txq_data + i * size;
+ /* might not do anything for the bufferable MMPDU TXQ */
ieee80211_txq_init(sdata, sta, txq, i);
}
}
@@ -381,14 +390,58 @@
if (sta_prepare_rate_control(local, sta, gfp))
goto free_txq;
+ sta->airtime_weight = IEEE80211_DEFAULT_AIRTIME_WEIGHT;
+
for (i = 0; i < IEEE80211_NUM_ACS; i++) {
skb_queue_head_init(&sta->ps_tx_buf[i]);
skb_queue_head_init(&sta->tx_filtered[i]);
+ sta->airtime[i].deficit = sta->airtime_weight;
}
for (i = 0; i < IEEE80211_NUM_TIDS; i++)
sta->last_seq_ctrl[i] = cpu_to_le16(USHRT_MAX);
+ for (i = 0; i < NUM_NL80211_BANDS; i++) {
+ u32 mandatory = 0;
+ int r;
+
+ if (!hw->wiphy->bands[i])
+ continue;
+
+ switch (i) {
+ case NL80211_BAND_2GHZ:
+ /*
+ * We use both here, even if we cannot really know for
+ * sure the station will support both, but the only use
+ * for this is when we don't know anything yet and send
+ * management frames, and then we'll pick the lowest
+ * possible rate anyway.
+ * If we don't include _G here, we cannot find a rate
+ * in P2P, and thus trigger the WARN_ONCE() in rate.c
+ */
+ mandatory = IEEE80211_RATE_MANDATORY_B |
+ IEEE80211_RATE_MANDATORY_G;
+ break;
+ case NL80211_BAND_5GHZ:
+ mandatory = IEEE80211_RATE_MANDATORY_A;
+ break;
+ case NL80211_BAND_60GHZ:
+ WARN_ON(1);
+ mandatory = 0;
+ break;
+ }
+
+ for (r = 0; r < hw->wiphy->bands[i]->n_bitrates; r++) {
+ struct ieee80211_rate *rate;
+
+ rate = &hw->wiphy->bands[i]->bitrates[r];
+
+ if (!(rate->flags & mandatory))
+ continue;
+ sta->sta.supp_rates[i] |= BIT(r);
+ }
+ }
+
sta->sta.smps_mode = IEEE80211_SMPS_OFF;
if (sdata->vif.type == NL80211_IFTYPE_AP ||
sdata->vif.type == NL80211_IFTYPE_AP_VLAN) {
@@ -1012,7 +1065,6 @@
cfg80211_del_sta_sinfo(sdata->dev, sta->sta.addr, sinfo, GFP_KERNEL);
kfree(sinfo);
- rate_control_remove_sta_debugfs(sta);
ieee80211_sta_debugfs_remove(sta);
cleanup_single_sta(sta);
@@ -1239,13 +1291,11 @@
if (!ieee80211_hw_check(&local->hw, AP_LINK_PS))
drv_sta_notify(local, sdata, STA_NOTIFY_AWAKE, &sta->sta);
- if (sta->sta.txq[0]) {
- for (i = 0; i < ARRAY_SIZE(sta->sta.txq); i++) {
- if (!txq_has_queue(sta->sta.txq[i]))
- continue;
+ for (i = 0; i < ARRAY_SIZE(sta->sta.txq); i++) {
+ if (!sta->sta.txq[i] || !txq_has_queue(sta->sta.txq[i]))
+ continue;
- drv_wake_tx_queue(local, to_txq_info(sta->sta.txq[i]));
- }
+ schedule_and_wake_txq(local, to_txq_info(sta->sta.txq[i]));
}
skb_queue_head_init(&pending);
@@ -1683,7 +1733,8 @@
return;
for (tid = 0; tid < ARRAY_SIZE(sta->sta.txq); tid++) {
- if (!(driver_release_tids & BIT(tid)) ||
+ if (!sta->sta.txq[tid] ||
+ !(driver_release_tids & BIT(tid)) ||
txq_has_queue(sta->sta.txq[tid]))
continue;
@@ -1821,6 +1872,27 @@
}
EXPORT_SYMBOL(ieee80211_sta_set_buffered);
+void ieee80211_sta_register_airtime(struct ieee80211_sta *pubsta, u8 tid,
+ u32 tx_airtime, u32 rx_airtime)
+{
+ struct sta_info *sta = container_of(pubsta, struct sta_info, sta);
+ struct ieee80211_local *local = sta->sdata->local;
+ u8 ac = ieee80211_ac_from_tid(tid);
+ u32 airtime = 0;
+
+ if (sta->local->airtime_flags & AIRTIME_USE_TX)
+ airtime += tx_airtime;
+ if (sta->local->airtime_flags & AIRTIME_USE_RX)
+ airtime += rx_airtime;
+
+ spin_lock_bh(&local->active_txq_lock[ac]);
+ sta->airtime[ac].tx_airtime += tx_airtime;
+ sta->airtime[ac].rx_airtime += rx_airtime;
+ sta->airtime[ac].deficit -= airtime;
+ spin_unlock_bh(&local->active_txq_lock[ac]);
+}
+EXPORT_SYMBOL(ieee80211_sta_register_airtime);
+
int sta_info_move_state(struct sta_info *sta,
enum ieee80211_sta_state new_state)
{
@@ -1889,6 +1961,7 @@
case IEEE80211_STA_ASSOC:
if (sta->sta_state == IEEE80211_STA_AUTH) {
set_bit(WLAN_STA_ASSOC, &sta->_flags);
+ sta->assoc_at = ktime_get_boottime_ns();
ieee80211_recalc_min_chandef(sta->sdata);
if (!sta->sta.support_p2p_ps)
ieee80211_recalc_p2p_go_ps_allowed(sta->sdata);
@@ -1906,6 +1979,10 @@
ieee80211_check_fast_xmit(sta);
ieee80211_check_fast_rx(sta);
}
+ if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
+ sta->sdata->vif.type == NL80211_IFTYPE_AP)
+ cfg80211_send_layer2_update(sta->sdata->dev,
+ sta->sta.addr);
break;
default:
break;
@@ -2118,6 +2195,7 @@
BIT_ULL(NL80211_STA_INFO_STA_FLAGS) |
BIT_ULL(NL80211_STA_INFO_BSS_PARAM) |
BIT_ULL(NL80211_STA_INFO_CONNECTED_TIME) |
+ BIT_ULL(NL80211_STA_INFO_ASSOC_AT_BOOTTIME) |
BIT_ULL(NL80211_STA_INFO_RX_DROP_MISC);
if (sdata->vif.type == NL80211_IFTYPE_STATION) {
@@ -2126,6 +2204,7 @@
}
sinfo->connected_time = ktime_get_seconds() - sta->last_connected;
+ sinfo->assoc_at = sta->assoc_at;
sinfo->inactive_time =
jiffies_to_msecs(jiffies - ieee80211_sta_last_active(sta));
@@ -2183,6 +2262,23 @@
sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_FAILED);
}
+ if (!(sinfo->filled & BIT_ULL(NL80211_STA_INFO_RX_DURATION))) {
+ for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
+ sinfo->rx_duration += sta->airtime[ac].rx_airtime;
+ sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_DURATION);
+ }
+
+ if (!(sinfo->filled & BIT_ULL(NL80211_STA_INFO_TX_DURATION))) {
+ for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
+ sinfo->tx_duration += sta->airtime[ac].tx_airtime;
+ sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_DURATION);
+ }
+
+ if (!(sinfo->filled & BIT_ULL(NL80211_STA_INFO_AIRTIME_WEIGHT))) {
+ sinfo->airtime_weight = sta->airtime_weight;
+ sinfo->filled |= BIT_ULL(NL80211_STA_INFO_AIRTIME_WEIGHT);
+ }
+
sinfo->rx_dropped_misc = sta->rx_stats.dropped;
if (sta->pcpu_rx_stats) {
for_each_possible_cpu(cpu) {
@@ -2248,11 +2344,8 @@
}
if (tidstats && !cfg80211_sinfo_alloc_tid_stats(sinfo, GFP_KERNEL)) {
- for (i = 0; i < IEEE80211_NUM_TIDS + 1; i++) {
- struct cfg80211_tid_stats *tidstats = &sinfo->pertid[i];
-
- sta_set_tidstats(sta, tidstats, i);
- }
+ for (i = 0; i < IEEE80211_NUM_TIDS + 1; i++)
+ sta_set_tidstats(sta, &sinfo->pertid[i], i);
}
if (ieee80211_vif_is_mesh(&sdata->vif)) {
@@ -2262,7 +2355,8 @@
BIT_ULL(NL80211_STA_INFO_PLINK_STATE) |
BIT_ULL(NL80211_STA_INFO_LOCAL_PM) |
BIT_ULL(NL80211_STA_INFO_PEER_PM) |
- BIT_ULL(NL80211_STA_INFO_NONPEER_PM);
+ BIT_ULL(NL80211_STA_INFO_NONPEER_PM) |
+ BIT_ULL(NL80211_STA_INFO_CONNECTED_TO_GATE);
sinfo->llid = sta->mesh->llid;
sinfo->plid = sta->mesh->plid;
@@ -2274,6 +2368,7 @@
sinfo->local_pm = sta->mesh->local_pm;
sinfo->peer_pm = sta->mesh->peer_pm;
sinfo->nonpeer_pm = sta->mesh->nonpeer_pm;
+ sinfo->connected_to_gate = sta->mesh->connected_to_gate;
#endif
}
@@ -2323,13 +2418,19 @@
sinfo->filled |= BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL);
}
- if (ieee80211_hw_check(&sta->local->hw, REPORTS_TX_ACK_STATUS) &&
- !(sinfo->filled & BIT_ULL(NL80211_STA_INFO_DATA_ACK_SIGNAL_AVG))) {
+ if (!(sinfo->filled & BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL_AVG)) &&
+ sta->status_stats.ack_signal_filled) {
sinfo->avg_ack_signal =
-(s8)ewma_avg_signal_read(
&sta->status_stats.avg_ack_signal);
sinfo->filled |=
- BIT_ULL(NL80211_STA_INFO_DATA_ACK_SIGNAL_AVG);
+ BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL_AVG);
+ }
+
+ if (ieee80211_vif_is_mesh(&sdata->vif)) {
+ sinfo->filled |= BIT_ULL(NL80211_STA_INFO_AIRTIME_LINK_METRIC);
+ sinfo->airtime_link_metric =
+ airtime_link_metric_get(local, sta);
}
}
@@ -2356,7 +2457,8 @@
{
struct ieee80211_sta_rx_stats *stats = sta_get_last_rx_stats(sta);
- if (time_after(stats->last_rx, sta->status_stats.last_ack))
+ if (!sta->status_stats.last_ack ||
+ time_after(stats->last_rx, sta->status_stats.last_ack))
return stats->last_rx;
return sta->status_stats.last_ack;
}
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index 9a04327..369c2dd 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright 2002-2005, Devicescape Software, Inc.
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright(c) 2015-2017 Intel Deutschland GmbH
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef STA_INFO_H
@@ -127,6 +124,16 @@
AGG_STOP_DESTROY_STA,
};
+/* Debugfs flags to enable/disable use of RX/TX airtime in scheduler */
+#define AIRTIME_USE_TX BIT(0)
+#define AIRTIME_USE_RX BIT(1)
+
+struct airtime_info {
+ u64 rx_airtime;
+ u64 tx_airtime;
+ s64 deficit;
+};
+
struct sta_info;
/**
@@ -343,6 +350,7 @@
/* we use only values in the range 0-100, so pick a large precision */
DECLARE_EWMA(mesh_fail_avg, 20, 8)
+DECLARE_EWMA(mesh_tx_rate_avg, 8, 16)
/**
* struct mesh_sta - mesh STA information
@@ -364,7 +372,9 @@
* @nonpeer_pm: STA power save mode towards non-peer neighbors
* @processed_beacon: set to true after peer rates and capabilities are
* processed
+ * @connected_to_gate: true if mesh STA has a path to a mesh gate
* @fail_avg: moving percentage of failed MSDUs
+ * @tx_rate_avg: moving average of tx bitrate
*/
struct mesh_sta {
struct timer_list plink_timer;
@@ -381,6 +391,7 @@
u8 plink_retries;
bool processed_beacon;
+ bool connected_to_gate;
enum nl80211_plink_state plink_state;
u32 plink_timeout;
@@ -392,6 +403,8 @@
/* moving percentage of failed MSDUs */
struct ewma_mesh_fail_avg fail_avg;
+ /* moving average of tx bitrate */
+ struct ewma_mesh_tx_rate_avg tx_rate_avg;
};
DECLARE_EWMA(signal, 10, 8)
@@ -453,10 +466,14 @@
* the station when it leaves powersave or polls for frames
* @driver_buffered_tids: bitmap of TIDs the driver has data buffered on
* @txq_buffered_tids: bitmap of TIDs that mac80211 has txq data buffered on
+ * @assoc_at: clock boottime (in ns) of last association
* @last_connected: time (in seconds) when a station got connected
* @last_seq_ctrl: last received seq/frag number from this STA (per TID
* plus one for non-QoS frames)
* @tid_seq: per-TID sequence numbers for sending to this STA
+ * @airtime: per-AC struct airtime_info describing airtime statistics for this
+ * station
+ * @airtime_weight: station weight for airtime fairness calculation purposes
* @ampdu_mlme: A-MPDU state machine state
* @mesh: mesh STA information
* @debugfs_dir: debug filesystem directory dentry
@@ -478,10 +495,28 @@
* @tdls_chandef: a TDLS peer can have a wider chandef that is compatible to
* the BSS one.
* @tx_stats: TX statistics
+ * @tx_stats.packets: # of packets transmitted
+ * @tx_stats.bytes: # of bytes in all packets transmitted
+ * @tx_stats.last_rate: last TX rate
+ * @tx_stats.msdu: # of transmitted MSDUs per TID
* @rx_stats: RX statistics
+ * @rx_stats_avg: averaged RX statistics
+ * @rx_stats_avg.signal: averaged signal
+ * @rx_stats_avg.chain_signal: averaged per-chain signal
* @pcpu_rx_stats: per-CPU RX statistics, assigned only if the driver needs
* this (by advertising the USES_RSS hw flag)
* @status_stats: TX status statistics
+ * @status_stats.filtered: # of filtered frames
+ * @status_stats.retry_failed: # of frames that failed after retry
+ * @status_stats.retry_count: # of retries attempted
+ * @status_stats.lost_packets: # of lost packets
+ * @status_stats.last_tdls_pkt_time: timestamp of last TDLS packet
+ * @status_stats.msdu_retries: # of MSDU retries
+ * @status_stats.msdu_failed: # of failed MSDUs
+ * @status_stats.last_ack: last ack timestamp (jiffies)
+ * @status_stats.last_ack_signal: last ACK signal
+ * @status_stats.ack_signal_filled: last ACK signal validity
+ * @status_stats.avg_ack_signal: average ACK signal
*/
struct sta_info {
/* General information, mostly static */
@@ -528,6 +563,7 @@
unsigned long driver_buffered_tids;
unsigned long txq_buffered_tids;
+ u64 assoc_at;
long last_connected;
/* Updated from RX path only, no locking requirements */
@@ -563,6 +599,9 @@
} tx_stats;
u16 tid_seq[IEEE80211_QOS_CTL_TID_MASK + 1];
+ struct airtime_info airtime[IEEE80211_NUM_ACS];
+ u16 airtime_weight;
+
/*
* Aggregation information, locked with lock.
*/
diff --git a/net/mac80211/status.c b/net/mac80211/status.c
index 7fa10d0..ab8ba58 100644
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2002-2005, Instant802 Networks, Inc.
* Copyright 2005-2006, Devicescape Software, Inc.
* Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
* Copyright 2008-2010 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/export.h>
@@ -257,14 +254,22 @@
tid_tx->bar_pending = true;
}
-static int ieee80211_tx_radiotap_len(struct ieee80211_tx_info *info)
+static int ieee80211_tx_radiotap_len(struct ieee80211_tx_info *info,
+ struct ieee80211_tx_status *status)
{
int len = sizeof(struct ieee80211_radiotap_header);
/* IEEE80211_RADIOTAP_RATE rate */
- if (info->status.rates[0].idx >= 0 &&
- !(info->status.rates[0].flags & (IEEE80211_TX_RC_MCS |
- IEEE80211_TX_RC_VHT_MCS)))
+ if (status && status->rate && !(status->rate->flags &
+ (RATE_INFO_FLAGS_MCS |
+ RATE_INFO_FLAGS_DMG |
+ RATE_INFO_FLAGS_EDMG |
+ RATE_INFO_FLAGS_VHT_MCS |
+ RATE_INFO_FLAGS_HE_MCS)))
+ len += 2;
+ else if (info->status.rates[0].idx >= 0 &&
+ !(info->status.rates[0].flags &
+ (IEEE80211_TX_RC_MCS | IEEE80211_TX_RC_VHT_MCS)))
len += 2;
/* IEEE80211_RADIOTAP_TX_FLAGS */
@@ -275,7 +280,14 @@
/* IEEE80211_RADIOTAP_MCS
* IEEE80211_RADIOTAP_VHT */
- if (info->status.rates[0].idx >= 0) {
+ if (status && status->rate) {
+ if (status->rate->flags & RATE_INFO_FLAGS_MCS)
+ len += 3;
+ else if (status->rate->flags & RATE_INFO_FLAGS_VHT_MCS)
+ len = ALIGN(len, 2) + 12;
+ else if (status->rate->flags & RATE_INFO_FLAGS_HE_MCS)
+ len = ALIGN(len, 2) + 12;
+ } else if (info->status.rates[0].idx >= 0) {
if (info->status.rates[0].flags & IEEE80211_TX_RC_MCS)
len += 3;
else if (info->status.rates[0].flags & IEEE80211_TX_RC_VHT_MCS)
@@ -289,12 +301,14 @@
ieee80211_add_tx_radiotap_header(struct ieee80211_local *local,
struct ieee80211_supported_band *sband,
struct sk_buff *skb, int retry_count,
- int rtap_len, int shift)
+ int rtap_len, int shift,
+ struct ieee80211_tx_status *status)
{
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
struct ieee80211_radiotap_header *rthdr;
unsigned char *pos;
+ u16 legacy_rate = 0;
u16 txflags;
rthdr = skb_push(skb, rtap_len);
@@ -313,14 +327,23 @@
*/
/* IEEE80211_RADIOTAP_RATE */
- if (info->status.rates[0].idx >= 0 &&
- !(info->status.rates[0].flags & (IEEE80211_TX_RC_MCS |
- IEEE80211_TX_RC_VHT_MCS))) {
- u16 rate;
+ if (status && status->rate) {
+ if (!(status->rate->flags & (RATE_INFO_FLAGS_MCS |
+ RATE_INFO_FLAGS_DMG |
+ RATE_INFO_FLAGS_EDMG |
+ RATE_INFO_FLAGS_VHT_MCS |
+ RATE_INFO_FLAGS_HE_MCS)))
+ legacy_rate = status->rate->legacy;
+ } else if (info->status.rates[0].idx >= 0 &&
+ !(info->status.rates[0].flags & (IEEE80211_TX_RC_MCS |
+ IEEE80211_TX_RC_VHT_MCS)))
+ legacy_rate =
+ sband->bitrates[info->status.rates[0].idx].bitrate;
+
+ if (legacy_rate) {
rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_RATE);
- rate = sband->bitrates[info->status.rates[0].idx].bitrate;
- *pos = DIV_ROUND_UP(rate, 5 * (1 << shift));
+ *pos = DIV_ROUND_UP(legacy_rate, 5 * (1 << shift));
/* padding for tx flags */
pos += 2;
}
@@ -344,7 +367,140 @@
*pos = retry_count;
pos++;
- if (info->status.rates[0].idx < 0)
+ if (status && status->rate &&
+ (status->rate->flags & RATE_INFO_FLAGS_MCS)) {
+ rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_MCS);
+ pos[0] = IEEE80211_RADIOTAP_MCS_HAVE_MCS |
+ IEEE80211_RADIOTAP_MCS_HAVE_GI |
+ IEEE80211_RADIOTAP_MCS_HAVE_BW;
+ if (status->rate->flags & RATE_INFO_FLAGS_SHORT_GI)
+ pos[1] |= IEEE80211_RADIOTAP_MCS_SGI;
+ if (status->rate->bw == RATE_INFO_BW_40)
+ pos[1] |= IEEE80211_RADIOTAP_MCS_BW_40;
+ pos[2] = status->rate->mcs;
+ pos += 3;
+ } else if (status && status->rate &&
+ (status->rate->flags & RATE_INFO_FLAGS_VHT_MCS)) {
+ u16 known = local->hw.radiotap_vht_details &
+ (IEEE80211_RADIOTAP_VHT_KNOWN_GI |
+ IEEE80211_RADIOTAP_VHT_KNOWN_BANDWIDTH);
+
+ rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_VHT);
+
+ /* required alignment from rthdr */
+ pos = (u8 *)rthdr + ALIGN(pos - (u8 *)rthdr, 2);
+
+ /* u16 known - IEEE80211_RADIOTAP_VHT_KNOWN_* */
+ put_unaligned_le16(known, pos);
+ pos += 2;
+
+ /* u8 flags - IEEE80211_RADIOTAP_VHT_FLAG_* */
+ if (status->rate->flags & RATE_INFO_FLAGS_SHORT_GI)
+ *pos |= IEEE80211_RADIOTAP_VHT_FLAG_SGI;
+ pos++;
+
+ /* u8 bandwidth */
+ switch (status->rate->bw) {
+ case RATE_INFO_BW_160:
+ *pos = 11;
+ break;
+ case RATE_INFO_BW_80:
+ *pos = 4;
+ break;
+ case RATE_INFO_BW_40:
+ *pos = 1;
+ break;
+ default:
+ *pos = 0;
+ break;
+ }
+ pos++;
+
+ /* u8 mcs_nss[4] */
+ *pos = (status->rate->mcs << 4) | status->rate->nss;
+ pos += 4;
+
+ /* u8 coding */
+ pos++;
+ /* u8 group_id */
+ pos++;
+ /* u16 partial_aid */
+ pos += 2;
+ } else if (status && status->rate &&
+ (status->rate->flags & RATE_INFO_FLAGS_HE_MCS)) {
+ struct ieee80211_radiotap_he *he;
+
+ rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_HE);
+
+ /* required alignment from rthdr */
+ pos = (u8 *)rthdr + ALIGN(pos - (u8 *)rthdr, 2);
+ he = (struct ieee80211_radiotap_he *)pos;
+
+ he->data1 = cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_FORMAT_SU |
+ IEEE80211_RADIOTAP_HE_DATA1_DATA_MCS_KNOWN |
+ IEEE80211_RADIOTAP_HE_DATA1_DATA_DCM_KNOWN |
+ IEEE80211_RADIOTAP_HE_DATA1_BW_RU_ALLOC_KNOWN);
+
+ he->data2 = cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_GI_KNOWN);
+
+#define HE_PREP(f, val) le16_encode_bits(val, IEEE80211_RADIOTAP_HE_##f)
+
+ he->data6 |= HE_PREP(DATA6_NSTS, status->rate->nss);
+
+#define CHECK_GI(s) \
+ BUILD_BUG_ON(IEEE80211_RADIOTAP_HE_DATA5_GI_##s != \
+ (int)NL80211_RATE_INFO_HE_GI_##s)
+
+ CHECK_GI(0_8);
+ CHECK_GI(1_6);
+ CHECK_GI(3_2);
+
+ he->data3 |= HE_PREP(DATA3_DATA_MCS, status->rate->mcs);
+ he->data3 |= HE_PREP(DATA3_DATA_DCM, status->rate->he_dcm);
+
+ he->data5 |= HE_PREP(DATA5_GI, status->rate->he_gi);
+
+ switch (status->rate->bw) {
+ case RATE_INFO_BW_20:
+ he->data5 |= HE_PREP(DATA5_DATA_BW_RU_ALLOC,
+ IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_20MHZ);
+ break;
+ case RATE_INFO_BW_40:
+ he->data5 |= HE_PREP(DATA5_DATA_BW_RU_ALLOC,
+ IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_40MHZ);
+ break;
+ case RATE_INFO_BW_80:
+ he->data5 |= HE_PREP(DATA5_DATA_BW_RU_ALLOC,
+ IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_80MHZ);
+ break;
+ case RATE_INFO_BW_160:
+ he->data5 |= HE_PREP(DATA5_DATA_BW_RU_ALLOC,
+ IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_160MHZ);
+ break;
+ case RATE_INFO_BW_HE_RU:
+#define CHECK_RU_ALLOC(s) \
+ BUILD_BUG_ON(IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_##s##T != \
+ NL80211_RATE_INFO_HE_RU_ALLOC_##s + 4)
+
+ CHECK_RU_ALLOC(26);
+ CHECK_RU_ALLOC(52);
+ CHECK_RU_ALLOC(106);
+ CHECK_RU_ALLOC(242);
+ CHECK_RU_ALLOC(484);
+ CHECK_RU_ALLOC(996);
+ CHECK_RU_ALLOC(2x996);
+
+ he->data5 |= HE_PREP(DATA5_DATA_BW_RU_ALLOC,
+ status->rate->he_ru_alloc + 4);
+ break;
+ default:
+ WARN_ONCE(1, "Invalid SU BW %d\n", status->rate->bw);
+ }
+
+ pos += sizeof(struct ieee80211_radiotap_he);
+ }
+
+ if ((status && status->rate) || info->status.rates[0].idx < 0)
return;
/* IEEE80211_RADIOTAP_MCS
@@ -556,6 +712,11 @@
}
ieee80211_led_tx(local);
+
+ if (skb_has_frag_list(skb)) {
+ kfree_skb_list(skb_shinfo(skb)->frag_list);
+ skb_shinfo(skb)->frag_list = NULL;
+ }
}
/*
@@ -643,7 +804,8 @@
void ieee80211_tx_monitor(struct ieee80211_local *local, struct sk_buff *skb,
struct ieee80211_supported_band *sband,
- int retry_count, int shift, bool send_to_cooked)
+ int retry_count, int shift, bool send_to_cooked,
+ struct ieee80211_tx_status *status)
{
struct sk_buff *skb2;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
@@ -652,14 +814,14 @@
int rtap_len;
/* send frame to monitor interfaces now */
- rtap_len = ieee80211_tx_radiotap_len(info);
+ rtap_len = ieee80211_tx_radiotap_len(info, status);
if (WARN_ON_ONCE(skb_headroom(skb) < rtap_len)) {
pr_err("ieee80211_tx_status: headroom too small\n");
dev_kfree_skb(skb);
return;
}
ieee80211_add_tx_radiotap_header(local, sband, skb, retry_count,
- rtap_len, shift);
+ rtap_len, shift, status);
/* XXX: is this sufficient for BPF? */
skb_reset_mac_header(skb);
@@ -818,6 +980,12 @@
ieee80211_sta_tx_notify(sta->sdata, (void *) skb->data,
acked, info->status.tx_time);
+ if (info->status.tx_time &&
+ wiphy_ext_feature_isset(local->hw.wiphy,
+ NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
+ ieee80211_sta_register_airtime(&sta->sta, tid,
+ info->status.tx_time, 0);
+
if (ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS)) {
if (info->flags & IEEE80211_TX_STAT_ACK) {
if (sta->status_stats.lost_packets)
@@ -893,7 +1061,8 @@
}
/* send to monitor interfaces */
- ieee80211_tx_monitor(local, skb, sband, retry_count, shift, send_to_cooked);
+ ieee80211_tx_monitor(local, skb, sband, retry_count, shift,
+ send_to_cooked, status);
}
void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
@@ -989,6 +1158,25 @@
}
EXPORT_SYMBOL(ieee80211_tx_status_ext);
+void ieee80211_tx_rate_update(struct ieee80211_hw *hw,
+ struct ieee80211_sta *pubsta,
+ struct ieee80211_tx_info *info)
+{
+ struct ieee80211_local *local = hw_to_local(hw);
+ struct ieee80211_supported_band *sband = hw->wiphy->bands[info->band];
+ struct sta_info *sta = container_of(pubsta, struct sta_info, sta);
+ struct ieee80211_tx_status status = {
+ .info = info,
+ .sta = pubsta,
+ };
+
+ rate_control_tx_status(local, sband, &status);
+
+ if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL))
+ sta->tx_stats.last_rate = info->status.rates[0];
+}
+EXPORT_SYMBOL(ieee80211_tx_rate_update);
+
void ieee80211_report_low_ack(struct ieee80211_sta *pubsta, u32 num_packets)
{
struct sta_info *sta = container_of(pubsta, struct sta_info, sta);
diff --git a/net/mac80211/tdls.c b/net/mac80211/tdls.c
index 6c647f4..fca1f54 100644
--- a/net/mac80211/tdls.c
+++ b/net/mac80211/tdls.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* mac80211 TDLS handling code
*
@@ -5,8 +6,7 @@
* Copyright 2014, Intel Corporation
* Copyright 2014 Intel Mobile Communications GmbH
* Copyright 2015 - 2016 Intel Deutschland GmbH
- *
- * This file is GPLv2 as found in COPYING.
+ * Copyright (C) 2019 Intel Corporation
*/
#include <linux/ieee80211.h>
@@ -1055,7 +1055,7 @@
/* disable bottom halves when entering the Tx path */
local_bh_disable();
- __ieee80211_subif_start_xmit(skb, dev, flags);
+ __ieee80211_subif_start_xmit(skb, dev, flags, 0);
local_bh_enable();
return ret;
@@ -1716,7 +1716,8 @@
}
ieee802_11_parse_elems(tf->u.chan_switch_resp.variable,
- skb->len - baselen, false, &elems);
+ skb->len - baselen, false, &elems,
+ NULL, NULL);
if (elems.parse_error) {
tdls_dbg(sdata, "Invalid IEs in TDLS channel switch resp\n");
ret = -EINVAL;
@@ -1828,7 +1829,7 @@
}
ieee802_11_parse_elems(tf->u.chan_switch_req.variable,
- skb->len - baselen, false, &elems);
+ skb->len - baselen, false, &elems, NULL, NULL);
if (elems.parse_error) {
tdls_dbg(sdata, "Invalid IEs in TDLS channel switch req\n");
return -EINVAL;
@@ -1992,3 +1993,26 @@
}
rtnl_unlock();
}
+
+void ieee80211_tdls_handle_disconnect(struct ieee80211_sub_if_data *sdata,
+ const u8 *peer, u16 reason)
+{
+ struct ieee80211_sta *sta;
+
+ rcu_read_lock();
+ sta = ieee80211_find_sta(&sdata->vif, peer);
+ if (!sta || !sta->tdls) {
+ rcu_read_unlock();
+ return;
+ }
+ rcu_read_unlock();
+
+ tdls_dbg(sdata, "disconnected from TDLS peer %pM (Reason: %u=%s)\n",
+ peer, reason,
+ ieee80211_get_reason_code_string(reason));
+
+ ieee80211_tdls_oper_request(&sdata->vif, peer,
+ NL80211_TDLS_TEARDOWN,
+ WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE,
+ GFP_ATOMIC);
+}
diff --git a/net/mac80211/tkip.c b/net/mac80211/tkip.c
index b362282..727dc9f 100644
--- a/net/mac80211/tkip.c
+++ b/net/mac80211/tkip.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2002-2004, Instant802 Networks, Inc.
* Copyright 2005, Devicescape Software, Inc.
* Copyright (C) 2016 Intel Deutschland GmbH
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/kernel.h>
#include <linux/bitops.h>
@@ -222,7 +219,7 @@
* @payload_len is the length of payload (_not_ including IV/ICV length).
* @ta is the transmitter addresses.
*/
-int ieee80211_tkip_encrypt_data(struct crypto_cipher *tfm,
+int ieee80211_tkip_encrypt_data(struct arc4_ctx *ctx,
struct ieee80211_key *key,
struct sk_buff *skb,
u8 *payload, size_t payload_len)
@@ -231,7 +228,7 @@
ieee80211_get_tkip_p2k(&key->conf, skb, rc4key);
- return ieee80211_wep_encrypt_data(tfm, rc4key, 16,
+ return ieee80211_wep_encrypt_data(ctx, rc4key, 16,
payload, payload_len);
}
@@ -239,7 +236,7 @@
* beginning of the buffer containing IEEE 802.11 header payload, i.e.,
* including IV, Ext. IV, real data, Michael MIC, ICV. @payload_len is the
* length of payload, including IV, Ext. IV, MIC, ICV. */
-int ieee80211_tkip_decrypt_data(struct crypto_cipher *tfm,
+int ieee80211_tkip_decrypt_data(struct arc4_ctx *ctx,
struct ieee80211_key *key,
u8 *payload, size_t payload_len, u8 *ta,
u8 *ra, int only_iv, int queue,
@@ -297,7 +294,7 @@
tkip_mixing_phase2(tk, &rx_ctx->ctx, iv16, rc4key);
- res = ieee80211_wep_decrypt_data(tfm, rc4key, 16, pos, payload_len - 12);
+ res = ieee80211_wep_decrypt_data(ctx, rc4key, 16, pos, payload_len - 12);
done:
if (res == TKIP_DECRYPT_OK) {
/*
diff --git a/net/mac80211/tkip.h b/net/mac80211/tkip.h
index a1bcbfb..9d2f8bd 100644
--- a/net/mac80211/tkip.h
+++ b/net/mac80211/tkip.h
@@ -1,9 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright 2002-2004, Instant802 Networks, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef TKIP_H
@@ -13,7 +10,7 @@
#include <linux/crypto.h>
#include "key.h"
-int ieee80211_tkip_encrypt_data(struct crypto_cipher *tfm,
+int ieee80211_tkip_encrypt_data(struct arc4_ctx *ctx,
struct ieee80211_key *key,
struct sk_buff *skb,
u8 *payload, size_t payload_len);
@@ -24,7 +21,7 @@
TKIP_DECRYPT_INVALID_KEYIDX = -2,
TKIP_DECRYPT_REPLAY = -3,
};
-int ieee80211_tkip_decrypt_data(struct crypto_cipher *tfm,
+int ieee80211_tkip_decrypt_data(struct arc4_ctx *ctx,
struct ieee80211_key *key,
u8 *payload, size_t payload_len, u8 *ta,
u8 *ra, int only_iv, int queue,
diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h
index 0ab69a1..4768322 100644
--- a/net/mac80211/trace.h
+++ b/net/mac80211/trace.h
@@ -1,8 +1,8 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Portions of this file
-* Copyright(c) 2016 Intel Deutschland GmbH
-* Copyright (C) 2018 Intel Corporation
+* Copyright(c) 2016-2017 Intel Deutschland GmbH
+* Copyright (C) 2018 - 2019 Intel Corporation
*/
#if !defined(__MAC80211_DRIVER_TRACE) || defined(TRACE_HEADER_MULTI_READ)
@@ -828,6 +828,36 @@
)
);
+TRACE_EVENT(drv_sta_set_txpwr,
+ TP_PROTO(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_sta *sta),
+
+ TP_ARGS(local, sdata, sta),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ VIF_ENTRY
+ STA_ENTRY
+ __field(s16, txpwr)
+ __field(u8, type)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ VIF_ASSIGN;
+ STA_ASSIGN;
+ __entry->txpwr = sta->txpwr.power;
+ __entry->type = sta->txpwr.type;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT VIF_PR_FMT STA_PR_FMT " txpwr: %d type %d",
+ LOCAL_PR_ARG, VIF_PR_ARG, STA_PR_ARG,
+ __entry->txpwr, __entry->type
+ )
+);
+
TRACE_EVENT(drv_sta_rc_update,
TP_PROTO(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
@@ -1052,10 +1082,10 @@
);
TRACE_EVENT(drv_get_survey,
- TP_PROTO(struct ieee80211_local *local, int idx,
+ TP_PROTO(struct ieee80211_local *local, int _idx,
struct survey_info *survey),
- TP_ARGS(local, idx, survey),
+ TP_ARGS(local, _idx, survey),
TP_STRUCT__entry(
LOCAL_ENTRY
@@ -1064,7 +1094,7 @@
TP_fast_assign(
LOCAL_ASSIGN;
- __entry->idx = idx;
+ __entry->idx = _idx;
),
TP_printk(
@@ -1212,9 +1242,10 @@
)
);
-DEFINE_EVENT(local_only_evt, drv_cancel_remain_on_channel,
- TP_PROTO(struct ieee80211_local *local),
- TP_ARGS(local)
+DEFINE_EVENT(local_sdata_evt, drv_cancel_remain_on_channel,
+ TP_PROTO(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata),
+ TP_ARGS(local, sdata)
);
TRACE_EVENT(drv_set_ringparam,
@@ -1882,6 +1913,18 @@
)
);
+DEFINE_EVENT(local_sdata_evt, drv_start_pmsr,
+ TP_PROTO(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata),
+ TP_ARGS(local, sdata)
+);
+
+DEFINE_EVENT(local_sdata_evt, drv_abort_pmsr,
+ TP_PROTO(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata),
+ TP_ARGS(local, sdata)
+);
+
/*
* Tracing for API calls that drivers call.
*/
@@ -2440,6 +2483,48 @@
TP_ARGS(local, sdata)
);
+DEFINE_EVENT(local_sdata_evt, drv_abort_channel_switch,
+ TP_PROTO(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata),
+ TP_ARGS(local, sdata)
+);
+
+TRACE_EVENT(drv_channel_switch_rx_beacon,
+ TP_PROTO(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_channel_switch *ch_switch),
+
+ TP_ARGS(local, sdata, ch_switch),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ VIF_ENTRY
+ CHANDEF_ENTRY
+ __field(u64, timestamp)
+ __field(u32, device_timestamp)
+ __field(bool, block_tx)
+ __field(u8, count)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ VIF_ASSIGN;
+ CHANDEF_ASSIGN(&ch_switch->chandef)
+ __entry->timestamp = ch_switch->timestamp;
+ __entry->device_timestamp = ch_switch->device_timestamp;
+ __entry->block_tx = ch_switch->block_tx;
+ __entry->count = ch_switch->count;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT VIF_PR_FMT
+ " received a channel switch beacon to "
+ CHANDEF_PR_FMT " count:%d block_tx:%d timestamp:%llu",
+ LOCAL_PR_ARG, VIF_PR_ARG, CHANDEF_PR_ARG, __entry->count,
+ __entry->block_tx, __entry->timestamp
+ )
+);
+
TRACE_EVENT(drv_get_txpower,
TP_PROTO(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
@@ -2600,6 +2685,29 @@
)
);
+TRACE_EVENT(drv_get_ftm_responder_stats,
+ TP_PROTO(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata,
+ struct cfg80211_ftm_responder_stats *ftm_stats),
+
+ TP_ARGS(local, sdata, ftm_stats),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ VIF_ENTRY
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ VIF_ASSIGN;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT VIF_PR_FMT,
+ LOCAL_PR_ARG, VIF_PR_ARG
+ )
+);
+
#endif /* !__MAC80211_DRIVER_TRACE || TRACE_HEADER_MULTI_READ */
#undef TRACE_INCLUDE_PATH
diff --git a/net/mac80211/trace_msg.h b/net/mac80211/trace_msg.h
index 366b9e6..40141df 100644
--- a/net/mac80211/trace_msg.h
+++ b/net/mac80211/trace_msg.h
@@ -1,4 +1,9 @@
/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Portions of this file
+ * Copyright (C) 2019 Intel Corporation
+ */
+
#ifdef CONFIG_MAC80211_MESSAGE_TRACING
#if !defined(__MAC80211_MSG_DRIVER_TRACE) || defined(TRACE_HEADER_MULTI_READ)
@@ -11,7 +16,7 @@
#undef TRACE_SYSTEM
#define TRACE_SYSTEM mac80211_msg
-#define MAX_MSG_LEN 100
+#define MAX_MSG_LEN 120
DECLARE_EVENT_CLASS(mac80211_msg_event,
TP_PROTO(struct va_format *vaf),
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 995a491..1fa4227 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2002-2005, Instant802 Networks, Inc.
* Copyright 2005-2006, Devicescape Software, Inc.
@@ -6,11 +7,6 @@
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright (C) 2018 Intel Corporation
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- *
* Transmit and frame generation functions.
*/
@@ -166,6 +162,7 @@
break;
}
case NL80211_BAND_5GHZ:
+ case NL80211_BAND_6GHZ:
if (r->flags & IEEE80211_RATE_MANDATORY_A)
mrate = r->bitrate;
break;
@@ -1253,10 +1250,18 @@
(info->control.flags & IEEE80211_TX_CTRL_PS_RESPONSE))
return NULL;
- if (!ieee80211_is_data_present(hdr->frame_control))
- return NULL;
-
- if (sta) {
+ if (unlikely(!ieee80211_is_data_present(hdr->frame_control))) {
+ if ((!ieee80211_is_mgmt(hdr->frame_control) ||
+ ieee80211_is_bufferable_mmpdu(hdr->frame_control) ||
+ vif->type == NL80211_IFTYPE_STATION) &&
+ sta && sta->uploaded) {
+ /*
+ * This will be NULL if the driver didn't set the
+ * opt-in hardware flag.
+ */
+ txq = sta->sta.txq[IEEE80211_NUM_TIDS];
+ }
+ } else if (sta) {
u8 tid = skb->priority & IEEE80211_QOS_CTL_TID_MASK;
if (!sta->uploaded)
@@ -1391,11 +1396,15 @@
{
struct fq *fq = &local->fq;
struct fq_tin *tin = &txqi->tin;
+ u32 flow_idx = fq_flow_idx(fq, skb);
ieee80211_set_skb_enqueue_time(skb);
- fq_tin_enqueue(fq, tin, skb,
+
+ spin_lock_bh(&fq->lock);
+ fq_tin_enqueue(fq, tin, flow_idx, skb,
fq_skb_free_func,
fq_flow_get_default_func);
+ spin_unlock_bh(&fq->lock);
}
static bool fq_vlan_filter_func(struct fq *fq, struct fq_tin *tin,
@@ -1441,19 +1450,37 @@
codel_vars_init(&txqi->def_cvars);
codel_stats_init(&txqi->cstats);
__skb_queue_head_init(&txqi->frags);
+ INIT_LIST_HEAD(&txqi->schedule_order);
txqi->txq.vif = &sdata->vif;
- if (sta) {
- txqi->txq.sta = &sta->sta;
- sta->sta.txq[tid] = &txqi->txq;
- txqi->txq.tid = tid;
- txqi->txq.ac = ieee80211_ac_from_tid(tid);
- } else {
+ if (!sta) {
sdata->vif.txq = &txqi->txq;
txqi->txq.tid = 0;
txqi->txq.ac = IEEE80211_AC_BE;
+
+ return;
}
+
+ if (tid == IEEE80211_NUM_TIDS) {
+ if (sdata->vif.type == NL80211_IFTYPE_STATION) {
+ /* Drivers need to opt in to the management MPDU TXQ */
+ if (!ieee80211_hw_check(&sdata->local->hw,
+ STA_MMPDU_TXQ))
+ return;
+ } else if (!ieee80211_hw_check(&sdata->local->hw,
+ BUFF_MMPDU_TXQ)) {
+ /* Drivers need to opt in to the bufferable MMPDU TXQ */
+ return;
+ }
+ txqi->txq.ac = IEEE80211_AC_VO;
+ } else {
+ txqi->txq.ac = ieee80211_ac_from_tid(tid);
+ }
+
+ txqi->txq.sta = &sta->sta;
+ txqi->txq.tid = tid;
+ sta->sta.txq[tid] = &txqi->txq;
}
void ieee80211_txq_purge(struct ieee80211_local *local,
@@ -1462,8 +1489,14 @@
struct fq *fq = &local->fq;
struct fq_tin *tin = &txqi->tin;
+ spin_lock_bh(&fq->lock);
fq_tin_reset(fq, tin, fq_skb_free_func);
ieee80211_purge_tx_queue(&local->hw, &txqi->frags);
+ spin_unlock_bh(&fq->lock);
+
+ spin_lock_bh(&local->active_txq_lock[txqi->txq.ac]);
+ list_del_init(&txqi->schedule_order);
+ spin_unlock_bh(&local->active_txq_lock[txqi->txq.ac]);
}
void ieee80211_txq_set_params(struct ieee80211_local *local)
@@ -1558,7 +1591,6 @@
struct sta_info *sta,
struct sk_buff *skb)
{
- struct fq *fq = &local->fq;
struct ieee80211_vif *vif;
struct txq_info *txqi;
@@ -1576,11 +1608,9 @@
if (!txqi)
return false;
- spin_lock_bh(&fq->lock);
ieee80211_txq_enqueue(local, txqi, skb);
- spin_unlock_bh(&fq->lock);
- drv_wake_tx_queue(local, txqi);
+ schedule_and_wake_txq(local, txqi);
return true;
}
@@ -1913,9 +1943,16 @@
int head_need, bool may_encrypt)
{
struct ieee80211_local *local = sdata->local;
+ struct ieee80211_hdr *hdr;
+ bool enc_tailroom;
int tail_need = 0;
- if (may_encrypt && sdata->crypto_tx_tailroom_needed_cnt) {
+ hdr = (struct ieee80211_hdr *) skb->data;
+ enc_tailroom = may_encrypt &&
+ (sdata->crypto_tx_tailroom_needed_cnt ||
+ ieee80211_is_mgmt(hdr->frame_control));
+
+ if (enc_tailroom) {
tail_need = IEEE80211_ENCRYPT_TAILROOM;
tail_need -= skb_tailroom(skb);
tail_need = max_t(int, tail_need, 0);
@@ -1923,8 +1960,7 @@
if (skb_cloned(skb) &&
(!ieee80211_hw_check(&local->hw, SUPPORTS_CLONED_SKBS) ||
- !skb_clone_writable(skb, ETH_HLEN) ||
- (may_encrypt && sdata->crypto_tx_tailroom_needed_cnt)))
+ !skb_clone_writable(skb, ETH_HLEN) || enc_tailroom))
I802_DEBUG_INC(local->tx_expand_skb_head_cloned);
else if (head_need || tail_need)
I802_DEBUG_INC(local->tx_expand_skb_head);
@@ -2393,6 +2429,7 @@
* @sdata: virtual interface to build the header for
* @skb: the skb to build the header in
* @info_flags: skb flags to set
+ * @ctrl_flags: info control flags to set
*
* This function takes the skb with 802.3 header and reformats the header to
* the appropriate IEEE 802.11 header based on which interface the packet is
@@ -2408,7 +2445,7 @@
*/
static struct sk_buff *ieee80211_build_hdr(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb, u32 info_flags,
- struct sta_info *sta)
+ struct sta_info *sta, u32 ctrl_flags)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_tx_info *info;
@@ -2432,6 +2469,11 @@
if (IS_ERR(sta))
sta = NULL;
+#ifdef CONFIG_MAC80211_DEBUGFS
+ if (local->force_tx_status)
+ info_flags |= IEEE80211_TX_CTL_REQ_TX_STATUS;
+#endif
+
/* convert Ethernet header to proper 802.11 header (based on
* operation mode) */
ethertype = (skb->data[12] << 8) | skb->data[13];
@@ -2562,6 +2604,13 @@
goto free;
}
band = chanctx_conf->def.chan->band;
+
+ /* For injected frames, fill RA right away as nexthop lookup
+ * will be skipped.
+ */
+ if ((ctrl_flags & IEEE80211_TX_CTRL_SKIP_MPATH_LOOKUP) &&
+ is_zero_ether_addr(hdr.addr1))
+ memcpy(hdr.addr1, skb->data, ETH_ALEN);
break;
#endif
case NL80211_IFTYPE_STATION:
@@ -2780,6 +2829,7 @@
info->flags = info_flags;
info->ack_frame_id = info_id;
info->band = band;
+ info->control.flags = ctrl_flags;
return skb;
free:
@@ -2955,26 +3005,22 @@
if (!(build.key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
goto out;
+ /* Key is being removed */
+ if (build.key->flags & KEY_FLAG_TAINTED)
+ goto out;
+
switch (build.key->conf.cipher) {
case WLAN_CIPHER_SUITE_CCMP:
case WLAN_CIPHER_SUITE_CCMP_256:
- /* add fixed key ID */
- if (gen_iv) {
- (build.hdr + build.hdr_len)[3] =
- 0x20 | (build.key->conf.keyidx << 6);
+ if (gen_iv)
build.pn_offs = build.hdr_len;
- }
if (gen_iv || iv_spc)
build.hdr_len += IEEE80211_CCMP_HDR_LEN;
break;
case WLAN_CIPHER_SUITE_GCMP:
case WLAN_CIPHER_SUITE_GCMP_256:
- /* add fixed key ID */
- if (gen_iv) {
- (build.hdr + build.hdr_len)[3] =
- 0x20 | (build.key->conf.keyidx << 6);
+ if (gen_iv)
build.pn_offs = build.hdr_len;
- }
if (gen_iv || iv_spc)
build.hdr_len += IEEE80211_GCMP_HDR_LEN;
break;
@@ -3179,6 +3225,8 @@
u8 max_subframes = sta->sta.max_amsdu_subframes;
int max_frags = local->hw.max_tx_fragments;
int max_amsdu_len = sta->sta.max_amsdu_len;
+ int orig_truesize;
+ u32 flow_idx;
__be16 len;
void *data;
bool ret = false;
@@ -3189,6 +3237,9 @@
if (!ieee80211_hw_check(&local->hw, TX_AMSDU))
return false;
+ if (skb_is_gso(skb))
+ return false;
+
if (!txq)
return false;
@@ -3200,6 +3251,12 @@
max_amsdu_len = min_t(int, max_amsdu_len,
sta->sta.max_rc_amsdu_len);
+ if (sta->sta.max_tid_amsdu_len[tid])
+ max_amsdu_len = min_t(int, max_amsdu_len,
+ sta->sta.max_tid_amsdu_len[tid]);
+
+ flow_idx = fq_flow_idx(fq, skb);
+
spin_lock_bh(&fq->lock);
/* TODO: Ideally aggregation should be done on dequeue to remain
@@ -3207,11 +3264,13 @@
*/
tin = &txqi->tin;
- flow = fq_flow_classify(fq, tin, skb, fq_flow_get_default_func);
+ flow = fq_flow_classify(fq, tin, flow_idx, skb,
+ fq_flow_get_default_func);
head = skb_peek_tail(&flow->queue);
- if (!head)
+ if (!head || skb_is_gso(head))
goto out;
+ orig_truesize = head->truesize;
orig_len = head->len;
if (skb->len + head->len > max_amsdu_len)
@@ -3232,6 +3291,9 @@
if (max_frags && nfrags > max_frags)
goto out;
+ if (!drv_can_aggregate_in_amsdu(local, head, skb))
+ goto out;
+
if (!ieee80211_amsdu_prepare_head(sdata, fast_tx, head))
goto out;
@@ -3266,6 +3328,7 @@
*frag_tail = skb;
out_recalc:
+ fq->memory_usage += head->truesize - orig_truesize;
if (head->len != orig_len) {
flow->backlog += head->len - orig_len;
tin->backlog_bytes += head->len - orig_len;
@@ -3331,6 +3394,7 @@
pn = atomic64_inc_return(&key->conf.tx_pn);
crypto_hdr[0] = pn;
crypto_hdr[1] = pn >> 8;
+ crypto_hdr[3] = 0x20 | (key->conf.keyidx << 6);
crypto_hdr[4] = pn >> 16;
crypto_hdr[5] = pn >> 24;
crypto_hdr[6] = pn >> 32;
@@ -3423,6 +3487,11 @@
(tid_tx ? IEEE80211_TX_CTL_AMPDU : 0);
info->control.flags = IEEE80211_TX_CTRL_FAST_XMIT;
+#ifdef CONFIG_MAC80211_DEBUGFS
+ if (local->force_tx_status)
+ info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS;
+#endif
+
if (hdr->frame_control & cpu_to_le16(IEEE80211_STYPE_QOS_DATA)) {
tid = skb->priority & IEEE80211_QOS_CTL_TAG1D_MASK;
*ieee80211_get_qos_ctl(hdr) = tid;
@@ -3476,23 +3545,33 @@
struct ieee80211_tx_info *info;
struct ieee80211_tx_data tx;
ieee80211_tx_result r;
- struct ieee80211_vif *vif;
+ struct ieee80211_vif *vif = txq->vif;
+ WARN_ON_ONCE(softirq_count() == 0);
+
+begin:
spin_lock_bh(&fq->lock);
- if (test_bit(IEEE80211_TXQ_STOP, &txqi->flags))
+ if (test_bit(IEEE80211_TXQ_STOP, &txqi->flags) ||
+ test_bit(IEEE80211_TXQ_STOP_NETIF_TX, &txqi->flags))
goto out;
+ if (vif->txqs_stopped[ieee80211_ac_from_tid(txq->tid)]) {
+ set_bit(IEEE80211_TXQ_STOP_NETIF_TX, &txqi->flags);
+ goto out;
+ }
+
/* Make sure fragments stay together. */
skb = __skb_dequeue(&txqi->frags);
if (skb)
goto out;
-begin:
skb = fq_tin_dequeue(fq, tin, fq_tin_dequeue_func);
if (!skb)
goto out;
+ spin_unlock_bh(&fq->lock);
+
hdr = (struct ieee80211_hdr *)skb->data;
info = IEEE80211_SKB_CB(skb);
@@ -3537,11 +3616,14 @@
skb = __skb_dequeue(&tx.skbs);
- if (!skb_queue_empty(&tx.skbs))
+ if (!skb_queue_empty(&tx.skbs)) {
+ spin_lock_bh(&fq->lock);
skb_queue_splice_tail(&tx.skbs, &txqi->frags);
+ spin_unlock_bh(&fq->lock);
+ }
}
- if (skb && skb_has_frag_list(skb) &&
+ if (skb_has_frag_list(skb) &&
!ieee80211_hw_check(&local->hw, TX_FRAG_LIST)) {
if (skb_linearize(skb)) {
ieee80211_free_txskb(&local->hw, skb);
@@ -3577,6 +3659,8 @@
}
IEEE80211_SKB_CB(skb)->control.vif = vif;
+ return skb;
+
out:
spin_unlock_bh(&fq->lock);
@@ -3584,11 +3668,148 @@
}
EXPORT_SYMBOL(ieee80211_tx_dequeue);
+struct ieee80211_txq *ieee80211_next_txq(struct ieee80211_hw *hw, u8 ac)
+{
+ struct ieee80211_local *local = hw_to_local(hw);
+ struct ieee80211_txq *ret = NULL;
+ struct txq_info *txqi = NULL;
+
+ spin_lock_bh(&local->active_txq_lock[ac]);
+
+ begin:
+ txqi = list_first_entry_or_null(&local->active_txqs[ac],
+ struct txq_info,
+ schedule_order);
+ if (!txqi)
+ goto out;
+
+ if (txqi->txq.sta) {
+ struct sta_info *sta = container_of(txqi->txq.sta,
+ struct sta_info, sta);
+
+ if (sta->airtime[txqi->txq.ac].deficit < 0) {
+ sta->airtime[txqi->txq.ac].deficit +=
+ sta->airtime_weight;
+ list_move_tail(&txqi->schedule_order,
+ &local->active_txqs[txqi->txq.ac]);
+ goto begin;
+ }
+ }
+
+
+ if (txqi->schedule_round == local->schedule_round[ac])
+ goto out;
+
+ list_del_init(&txqi->schedule_order);
+ txqi->schedule_round = local->schedule_round[ac];
+ ret = &txqi->txq;
+
+out:
+ spin_unlock_bh(&local->active_txq_lock[ac]);
+ return ret;
+}
+EXPORT_SYMBOL(ieee80211_next_txq);
+
+void __ieee80211_schedule_txq(struct ieee80211_hw *hw,
+ struct ieee80211_txq *txq,
+ bool force)
+{
+ struct ieee80211_local *local = hw_to_local(hw);
+ struct txq_info *txqi = to_txq_info(txq);
+
+ spin_lock_bh(&local->active_txq_lock[txq->ac]);
+
+ if (list_empty(&txqi->schedule_order) &&
+ (force || !skb_queue_empty(&txqi->frags) ||
+ txqi->tin.backlog_packets)) {
+ /* If airtime accounting is active, always enqueue STAs at the
+ * head of the list to ensure that they only get moved to the
+ * back by the airtime DRR scheduler once they have a negative
+ * deficit. A station that already has a negative deficit will
+ * get immediately moved to the back of the list on the next
+ * call to ieee80211_next_txq().
+ */
+ if (txqi->txq.sta &&
+ wiphy_ext_feature_isset(local->hw.wiphy,
+ NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
+ list_add(&txqi->schedule_order,
+ &local->active_txqs[txq->ac]);
+ else
+ list_add_tail(&txqi->schedule_order,
+ &local->active_txqs[txq->ac]);
+ }
+
+ spin_unlock_bh(&local->active_txq_lock[txq->ac]);
+}
+EXPORT_SYMBOL(__ieee80211_schedule_txq);
+
+bool ieee80211_txq_may_transmit(struct ieee80211_hw *hw,
+ struct ieee80211_txq *txq)
+{
+ struct ieee80211_local *local = hw_to_local(hw);
+ struct txq_info *iter, *tmp, *txqi = to_txq_info(txq);
+ struct sta_info *sta;
+ u8 ac = txq->ac;
+
+ spin_lock_bh(&local->active_txq_lock[ac]);
+
+ if (!txqi->txq.sta)
+ goto out;
+
+ if (list_empty(&txqi->schedule_order))
+ goto out;
+
+ list_for_each_entry_safe(iter, tmp, &local->active_txqs[ac],
+ schedule_order) {
+ if (iter == txqi)
+ break;
+
+ if (!iter->txq.sta) {
+ list_move_tail(&iter->schedule_order,
+ &local->active_txqs[ac]);
+ continue;
+ }
+ sta = container_of(iter->txq.sta, struct sta_info, sta);
+ if (sta->airtime[ac].deficit < 0)
+ sta->airtime[ac].deficit += sta->airtime_weight;
+ list_move_tail(&iter->schedule_order, &local->active_txqs[ac]);
+ }
+
+ sta = container_of(txqi->txq.sta, struct sta_info, sta);
+ if (sta->airtime[ac].deficit >= 0)
+ goto out;
+
+ sta->airtime[ac].deficit += sta->airtime_weight;
+ list_move_tail(&txqi->schedule_order, &local->active_txqs[ac]);
+ spin_unlock_bh(&local->active_txq_lock[ac]);
+
+ return false;
+out:
+ if (!list_empty(&txqi->schedule_order))
+ list_del_init(&txqi->schedule_order);
+ spin_unlock_bh(&local->active_txq_lock[ac]);
+
+ return true;
+}
+EXPORT_SYMBOL(ieee80211_txq_may_transmit);
+
+void ieee80211_txq_schedule_start(struct ieee80211_hw *hw, u8 ac)
+{
+ struct ieee80211_local *local = hw_to_local(hw);
+
+ spin_lock_bh(&local->active_txq_lock[ac]);
+ local->schedule_round[ac]++;
+ spin_unlock_bh(&local->active_txq_lock[ac]);
+}
+EXPORT_SYMBOL(ieee80211_txq_schedule_start);
+
void __ieee80211_subif_start_xmit(struct sk_buff *skb,
struct net_device *dev,
- u32 info_flags)
+ u32 info_flags,
+ u32 ctrl_flags)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_local *local = sdata->local;
struct sta_info *sta;
struct sk_buff *next;
@@ -3602,16 +3823,18 @@
if (ieee80211_lookup_ra_sta(sdata, skb, &sta))
goto out_free;
- if (!IS_ERR_OR_NULL(sta)) {
+ if (IS_ERR(sta))
+ sta = NULL;
+
+ if (local->ops->wake_tx_queue) {
+ u16 queue = __ieee80211_select_queue(sdata, sta, skb);
+ skb_set_queue_mapping(skb, queue);
+ }
+
+ if (sta) {
struct ieee80211_fast_tx *fast_tx;
- /* We need a bit of data queued to build aggregates properly, so
- * instruct the TCP stack to allow more than a single ms of data
- * to be queued in the stack. The value is a bit-shift of 1
- * second, so 8 is ~4ms of queued data. Only affects local TCP
- * sockets.
- */
- sk_pacing_shift_update(skb->sk, 8);
+ sk_pacing_shift_update(skb->sk, sdata->local->hw.tx_sk_pacing_shift);
fast_tx = rcu_dereference(sta->fast_tx);
@@ -3657,7 +3880,8 @@
skb->prev = NULL;
skb->next = NULL;
- skb = ieee80211_build_hdr(sdata, skb, info_flags, sta);
+ skb = ieee80211_build_hdr(sdata, skb, info_flags,
+ sta, ctrl_flags);
if (IS_ERR(skb))
goto out;
@@ -3797,9 +4021,9 @@
__skb_queue_head_init(&queue);
ieee80211_convert_to_unicast(skb, dev, &queue);
while ((skb = __skb_dequeue(&queue)))
- __ieee80211_subif_start_xmit(skb, dev, 0);
+ __ieee80211_subif_start_xmit(skb, dev, 0, 0);
} else {
- __ieee80211_subif_start_xmit(skb, dev, 0);
+ __ieee80211_subif_start_xmit(skb, dev, 0, 0);
}
return NETDEV_TX_OK;
@@ -3824,7 +4048,7 @@
goto out;
}
- skb = ieee80211_build_hdr(sdata, skb, info_flags, sta);
+ skb = ieee80211_build_hdr(sdata, skb, info_flags, sta, 0);
if (IS_ERR(skb))
goto out;
@@ -4426,7 +4650,8 @@
if (!sband)
return bcn;
- ieee80211_tx_monitor(hw_to_local(hw), copy, sband, 1, shift, false);
+ ieee80211_tx_monitor(hw_to_local(hw), copy, sband, 1, shift, false,
+ NULL);
return bcn;
}
@@ -4542,7 +4767,7 @@
IEEE80211_STYPE_NULLFUNC |
IEEE80211_FCTL_TODS);
if (qos) {
- __le16 qos = cpu_to_le16(7);
+ __le16 qoshdr = cpu_to_le16(7);
BUILD_BUG_ON((IEEE80211_STYPE_QOS_NULLFUNC |
IEEE80211_STYPE_NULLFUNC) !=
@@ -4551,7 +4776,7 @@
cpu_to_le16(IEEE80211_STYPE_QOS_NULLFUNC);
skb->priority = 7;
skb_set_queue_mapping(skb, IEEE80211_AC_VO);
- skb_put_data(skb, &qos, sizeof(qos));
+ skb_put_data(skb, &qoshdr, sizeof(qoshdr));
}
memcpy(nullfunc->addr1, ifmgd->bssid, ETH_ALEN);
@@ -4861,7 +5086,36 @@
skb_reset_mac_header(skb);
local_bh_disable();
- __ieee80211_subif_start_xmit(skb, skb->dev, flags);
+ __ieee80211_subif_start_xmit(skb, skb->dev, flags, 0);
+ local_bh_enable();
+
+ return 0;
+}
+
+int ieee80211_probe_mesh_link(struct wiphy *wiphy, struct net_device *dev,
+ const u8 *buf, size_t len)
+{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_local *local = sdata->local;
+ struct sk_buff *skb;
+
+ skb = dev_alloc_skb(local->hw.extra_tx_headroom + len +
+ 30 + /* header size */
+ 18); /* 11s header size */
+ if (!skb)
+ return -ENOMEM;
+
+ skb_reserve(skb, local->hw.extra_tx_headroom);
+ skb_put_data(skb, buf, len);
+
+ skb->dev = dev;
+ skb->protocol = htons(ETH_P_802_3);
+ skb_reset_network_header(skb);
+ skb_reset_mac_header(skb);
+
+ local_bh_disable();
+ __ieee80211_subif_start_xmit(skb, skb->dev, 0,
+ IEEE80211_TX_CTRL_SKIP_MPATH_LOOKUP);
local_bh_enable();
return 0;
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 716cd64..32a7a53 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2002-2005, Instant802 Networks, Inc.
* Copyright 2005-2006, Devicescape Software, Inc.
@@ -5,11 +6,7 @@
* Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright (C) 2015-2017 Intel Deutschland GmbH
- * Copyright (C) 2018 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
+ * Copyright (C) 2018-2019 Intel Corporation
*
* utilities for mac80211
*/
@@ -240,6 +237,114 @@
}
EXPORT_SYMBOL(ieee80211_ctstoself_duration);
+static void __ieee80211_wake_txqs(struct ieee80211_sub_if_data *sdata, int ac)
+{
+ struct ieee80211_local *local = sdata->local;
+ struct ieee80211_vif *vif = &sdata->vif;
+ struct fq *fq = &local->fq;
+ struct ps_data *ps = NULL;
+ struct txq_info *txqi;
+ struct sta_info *sta;
+ int i;
+
+ local_bh_disable();
+ spin_lock(&fq->lock);
+
+ if (sdata->vif.type == NL80211_IFTYPE_AP)
+ ps = &sdata->bss->ps;
+
+ sdata->vif.txqs_stopped[ac] = false;
+
+ list_for_each_entry_rcu(sta, &local->sta_list, list) {
+ if (sdata != sta->sdata)
+ continue;
+
+ for (i = 0; i < ARRAY_SIZE(sta->sta.txq); i++) {
+ struct ieee80211_txq *txq = sta->sta.txq[i];
+
+ if (!txq)
+ continue;
+
+ txqi = to_txq_info(txq);
+
+ if (ac != txq->ac)
+ continue;
+
+ if (!test_and_clear_bit(IEEE80211_TXQ_STOP_NETIF_TX,
+ &txqi->flags))
+ continue;
+
+ spin_unlock(&fq->lock);
+ drv_wake_tx_queue(local, txqi);
+ spin_lock(&fq->lock);
+ }
+ }
+
+ if (!vif->txq)
+ goto out;
+
+ txqi = to_txq_info(vif->txq);
+
+ if (!test_and_clear_bit(IEEE80211_TXQ_STOP_NETIF_TX, &txqi->flags) ||
+ (ps && atomic_read(&ps->num_sta_ps)) || ac != vif->txq->ac)
+ goto out;
+
+ spin_unlock(&fq->lock);
+
+ drv_wake_tx_queue(local, txqi);
+ local_bh_enable();
+ return;
+out:
+ spin_unlock(&fq->lock);
+ local_bh_enable();
+}
+
+static void
+__releases(&local->queue_stop_reason_lock)
+__acquires(&local->queue_stop_reason_lock)
+_ieee80211_wake_txqs(struct ieee80211_local *local, unsigned long *flags)
+{
+ struct ieee80211_sub_if_data *sdata;
+ int n_acs = IEEE80211_NUM_ACS;
+ int i;
+
+ rcu_read_lock();
+
+ if (local->hw.queues < IEEE80211_NUM_ACS)
+ n_acs = 1;
+
+ for (i = 0; i < local->hw.queues; i++) {
+ if (local->queue_stop_reasons[i])
+ continue;
+
+ spin_unlock_irqrestore(&local->queue_stop_reason_lock, *flags);
+ list_for_each_entry_rcu(sdata, &local->interfaces, list) {
+ int ac;
+
+ for (ac = 0; ac < n_acs; ac++) {
+ int ac_queue = sdata->vif.hw_queue[ac];
+
+ if (ac_queue == i ||
+ sdata->vif.cab_queue == i)
+ __ieee80211_wake_txqs(sdata, ac);
+ }
+ }
+ spin_lock_irqsave(&local->queue_stop_reason_lock, *flags);
+ }
+
+ rcu_read_unlock();
+}
+
+void ieee80211_wake_txqs(unsigned long data)
+{
+ struct ieee80211_local *local = (struct ieee80211_local *)data;
+ unsigned long flags;
+
+ spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
+ _ieee80211_wake_txqs(local, &flags);
+ spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
+}
+
void ieee80211_propagate_queue_wake(struct ieee80211_local *local, int queue)
{
struct ieee80211_sub_if_data *sdata;
@@ -275,7 +380,8 @@
static void __ieee80211_wake_queue(struct ieee80211_hw *hw, int queue,
enum queue_stop_reason reason,
- bool refcounted)
+ bool refcounted,
+ unsigned long *flags)
{
struct ieee80211_local *local = hw_to_local(hw);
@@ -308,6 +414,20 @@
rcu_read_unlock();
} else
tasklet_schedule(&local->tx_pending_tasklet);
+
+ /*
+ * Calling _ieee80211_wake_txqs here can be a problem because it may
+ * release queue_stop_reason_lock which has been taken by
+ * __ieee80211_wake_queue's caller. It is certainly not very nice to
+ * release someone's lock, but it is fine because all the callers of
+ * __ieee80211_wake_queue call it right before releasing the lock.
+ */
+ if (local->ops->wake_tx_queue) {
+ if (reason == IEEE80211_QUEUE_STOP_REASON_DRIVER)
+ tasklet_schedule(&local->wake_txqs_tasklet);
+ else
+ _ieee80211_wake_txqs(local, flags);
+ }
}
void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue,
@@ -318,7 +438,7 @@
unsigned long flags;
spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
- __ieee80211_wake_queue(hw, queue, reason, refcounted);
+ __ieee80211_wake_queue(hw, queue, reason, refcounted, &flags);
spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
}
@@ -351,9 +471,6 @@
if (__test_and_set_bit(reason, &local->queue_stop_reasons[queue]))
return;
- if (local->ops->wake_tx_queue)
- return;
-
if (local->hw.queues < IEEE80211_NUM_ACS)
n_acs = 1;
@@ -366,8 +483,15 @@
for (ac = 0; ac < n_acs; ac++) {
if (sdata->vif.hw_queue[ac] == queue ||
- sdata->vif.cab_queue == queue)
- netif_stop_subqueue(sdata->dev, ac);
+ sdata->vif.cab_queue == queue) {
+ if (!local->ops->wake_tx_queue) {
+ netif_stop_subqueue(sdata->dev, ac);
+ continue;
+ }
+ spin_lock(&local->fq.lock);
+ sdata->vif.txqs_stopped[ac] = true;
+ spin_unlock(&local->fq.lock);
+ }
}
}
rcu_read_unlock();
@@ -411,7 +535,7 @@
false);
__skb_queue_tail(&local->pending[queue], skb);
__ieee80211_wake_queue(hw, queue, IEEE80211_QUEUE_STOP_REASON_SKB_ADD,
- false);
+ false, &flags);
spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
}
@@ -444,7 +568,7 @@
for (i = 0; i < hw->queues; i++)
__ieee80211_wake_queue(hw, i,
IEEE80211_QUEUE_STOP_REASON_SKB_ADD,
- false);
+ false, &flags);
spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
}
@@ -502,7 +626,7 @@
spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
for_each_set_bit(i, &queues, hw->queues)
- __ieee80211_wake_queue(hw, i, reason, refcounted);
+ __ieee80211_wake_queue(hw, i, reason, refcounted, &flags);
spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
}
@@ -767,33 +891,29 @@
}
EXPORT_SYMBOL(ieee80211_queue_delayed_work);
-u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
- struct ieee802_11_elems *elems,
- u64 filter, u32 crc)
+static u32
+_ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
+ struct ieee802_11_elems *elems,
+ u64 filter, u32 crc,
+ const struct element *check_inherit)
{
- size_t left = len;
- const u8 *pos = start;
+ const struct element *elem;
bool calc_crc = filter != 0;
DECLARE_BITMAP(seen_elems, 256);
const u8 *ie;
bitmap_zero(seen_elems, 256);
- memset(elems, 0, sizeof(*elems));
- elems->ie_start = start;
- elems->total_len = len;
- while (left >= 2) {
- u8 id, elen;
+ for_each_element(elem, start, len) {
bool elem_parse_failed;
+ u8 id = elem->id;
+ u8 elen = elem->datalen;
+ const u8 *pos = elem->data;
- id = *pos++;
- elen = *pos++;
- left -= 2;
-
- if (elen > left) {
- elems->parse_error = true;
- break;
- }
+ if (check_inherit &&
+ !cfg80211_is_element_inherited(elem,
+ check_inherit))
+ continue;
switch (id) {
case WLAN_EID_SSID:
@@ -836,8 +956,6 @@
*/
if (test_bit(id, seen_elems)) {
elems->parse_error = true;
- left -= elen;
- pos += elen;
continue;
}
break;
@@ -1085,6 +1203,13 @@
elems->cisco_dtpc_elem = pos;
break;
+ case WLAN_EID_ADDBA_EXT:
+ if (elen != sizeof(struct ieee80211_addba_ext_ie)) {
+ elem_parse_failed = true;
+ break;
+ }
+ elems->addba_ext_ie = (void *)pos;
+ break;
case WLAN_EID_TIMEOUT_INTERVAL:
if (elen >= sizeof(struct ieee80211_timeout_interval_ie))
elems->timeout_int = (void *)pos;
@@ -1099,6 +1224,8 @@
if (pos[0] == WLAN_EID_EXT_HE_MU_EDCA &&
elen >= (sizeof(*elems->mu_edca_param_set) + 1)) {
elems->mu_edca_param_set = (void *)&pos[1];
+ if (calc_crc)
+ crc = crc32_be(crc, pos - 2, elen + 2);
} else if (pos[0] == WLAN_EID_EXT_HE_CAPABILITY) {
elems->he_cap = (void *)&pos[1];
elems->he_cap_len = elen - 1;
@@ -1108,6 +1235,18 @@
elems->he_operation = (void *)&pos[1];
} else if (pos[0] == WLAN_EID_EXT_UORA && elen >= 1) {
elems->uora_element = (void *)&pos[1];
+ } else if (pos[0] ==
+ WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME &&
+ elen == 4) {
+ elems->max_channel_switch_time = pos + 1;
+ } else if (pos[0] ==
+ WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION &&
+ elen == 3) {
+ elems->mbssid_config_ie = (void *)&pos[1];
+ } else if (pos[0] == WLAN_EID_EXT_HE_SPR &&
+ elen >= sizeof(*elems->he_spr) &&
+ elen >= ieee80211_he_spr_size(&pos[1])) {
+ elems->he_spr = (void *)&pos[1];
}
break;
default:
@@ -1118,17 +1257,140 @@
elems->parse_error = true;
else
__set_bit(id, seen_elems);
-
- left -= elen;
- pos += elen;
}
- if (left != 0)
+ if (!for_each_element_completed(elem, start, len))
elems->parse_error = true;
return crc;
}
+static size_t ieee802_11_find_bssid_profile(const u8 *start, size_t len,
+ struct ieee802_11_elems *elems,
+ u8 *transmitter_bssid,
+ u8 *bss_bssid,
+ u8 *nontransmitted_profile)
+{
+ const struct element *elem, *sub;
+ size_t profile_len = 0;
+ bool found = false;
+
+ if (!bss_bssid || !transmitter_bssid)
+ return profile_len;
+
+ for_each_element_id(elem, WLAN_EID_MULTIPLE_BSSID, start, len) {
+ if (elem->datalen < 2)
+ continue;
+
+ for_each_element(sub, elem->data + 1, elem->datalen - 1) {
+ u8 new_bssid[ETH_ALEN];
+ const u8 *index;
+
+ if (sub->id != 0 || sub->datalen < 4) {
+ /* not a valid BSS profile */
+ continue;
+ }
+
+ if (sub->data[0] != WLAN_EID_NON_TX_BSSID_CAP ||
+ sub->data[1] != 2) {
+ /* The first element of the
+ * Nontransmitted BSSID Profile is not
+ * the Nontransmitted BSSID Capability
+ * element.
+ */
+ continue;
+ }
+
+ memset(nontransmitted_profile, 0, len);
+ profile_len = cfg80211_merge_profile(start, len,
+ elem,
+ sub,
+ nontransmitted_profile,
+ len);
+
+ /* found a Nontransmitted BSSID Profile */
+ index = cfg80211_find_ie(WLAN_EID_MULTI_BSSID_IDX,
+ nontransmitted_profile,
+ profile_len);
+ if (!index || index[1] < 1 || index[2] == 0) {
+ /* Invalid MBSSID Index element */
+ continue;
+ }
+
+ cfg80211_gen_new_bssid(transmitter_bssid,
+ elem->data[0],
+ index[2],
+ new_bssid);
+ if (ether_addr_equal(new_bssid, bss_bssid)) {
+ found = true;
+ elems->bssid_index_len = index[1];
+ elems->bssid_index = (void *)&index[2];
+ break;
+ }
+ }
+ }
+
+ return found ? profile_len : 0;
+}
+
+u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
+ struct ieee802_11_elems *elems,
+ u64 filter, u32 crc, u8 *transmitter_bssid,
+ u8 *bss_bssid)
+{
+ const struct element *non_inherit = NULL;
+ u8 *nontransmitted_profile;
+ int nontransmitted_profile_len = 0;
+
+ memset(elems, 0, sizeof(*elems));
+ elems->ie_start = start;
+ elems->total_len = len;
+
+ nontransmitted_profile = kmalloc(len, GFP_ATOMIC);
+ if (nontransmitted_profile) {
+ nontransmitted_profile_len =
+ ieee802_11_find_bssid_profile(start, len, elems,
+ transmitter_bssid,
+ bss_bssid,
+ nontransmitted_profile);
+ non_inherit =
+ cfg80211_find_ext_elem(WLAN_EID_EXT_NON_INHERITANCE,
+ nontransmitted_profile,
+ nontransmitted_profile_len);
+ }
+
+ crc = _ieee802_11_parse_elems_crc(start, len, action, elems, filter,
+ crc, non_inherit);
+
+ /* Override with nontransmitted profile, if found */
+ if (nontransmitted_profile_len)
+ _ieee802_11_parse_elems_crc(nontransmitted_profile,
+ nontransmitted_profile_len,
+ action, elems, 0, 0, NULL);
+
+ if (elems->tim && !elems->parse_error) {
+ const struct ieee80211_tim_ie *tim_ie = elems->tim;
+
+ elems->dtim_period = tim_ie->dtim_period;
+ elems->dtim_count = tim_ie->dtim_count;
+ }
+
+ /* Override DTIM period and count if needed */
+ if (elems->bssid_index &&
+ elems->bssid_index_len >=
+ offsetofend(struct ieee80211_bssid_index, dtim_period))
+ elems->dtim_period = elems->bssid_index->dtim_period;
+
+ if (elems->bssid_index &&
+ elems->bssid_index_len >=
+ offsetofend(struct ieee80211_bssid_index, dtim_count))
+ elems->dtim_count = elems->bssid_index->dtim_count;
+
+ kfree(nontransmitted_profile);
+
+ return crc;
+}
+
void ieee80211_regulatory_limit_wmm_params(struct ieee80211_sub_if_data *sdata,
struct ieee80211_tx_queue_params
*qparam, int ac)
@@ -1324,7 +1586,8 @@
}
void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata,
- const u8 *bssid, u16 stype, u16 reason,
+ const u8 *da, const u8 *bssid,
+ u16 stype, u16 reason,
bool send_frame, u8 *frame_buf)
{
struct ieee80211_local *local = sdata->local;
@@ -1335,7 +1598,7 @@
mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | stype);
mgmt->duration = 0; /* initialize only */
mgmt->seq_ctrl = 0; /* initialize only */
- memcpy(mgmt->da, bssid, ETH_ALEN);
+ memcpy(mgmt->da, da, ETH_ALEN);
memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
memcpy(mgmt->bssid, bssid, ETH_ALEN);
/* u.deauth.reason_code == u.disassoc.reason_code */
@@ -2020,6 +2283,10 @@
case NL80211_IFTYPE_AP_VLAN:
case NL80211_IFTYPE_MONITOR:
break;
+ case NL80211_IFTYPE_ADHOC:
+ if (sdata->vif.bss_conf.ibss_joined)
+ WARN_ON(drv_join_ibss(local, sdata));
+ /* fall through */
default:
ieee80211_reconfig_stations(sdata);
/* fall through */
@@ -2075,6 +2342,11 @@
case NL80211_IFTYPE_AP:
changed |= BSS_CHANGED_SSID | BSS_CHANGED_P2P_PS;
+ if (sdata->vif.bss_conf.ftm_responder == 1 &&
+ wiphy_ext_feature_isset(sdata->local->hw.wiphy,
+ NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER))
+ changed |= BSS_CHANGED_FTM_RESPONDER;
+
if (sdata->vif.type == NL80211_IFTYPE_AP) {
changed |= BSS_CHANGED_AP_PROBE_RESP;
@@ -2152,11 +2424,7 @@
/* add back keys */
list_for_each_entry(sdata, &local->interfaces, list)
- ieee80211_reset_crypto_tx_tailroom(sdata);
-
- list_for_each_entry(sdata, &local->interfaces, list)
- if (ieee80211_sdata_running(sdata))
- ieee80211_enable_keys(sdata);
+ ieee80211_reenable_keys(sdata);
/* Reconfigure sched scan if it was interrupted by FW restart */
mutex_lock(&local->mtx);
@@ -2220,6 +2488,10 @@
mutex_lock(&local->mtx);
ieee80211_start_next_roc(local);
mutex_unlock(&local->mtx);
+
+ /* Requeue all works */
+ list_for_each_entry(sdata, &local->interfaces, list)
+ ieee80211_queue_work(&local->hw, &sdata->work);
}
ieee80211_wake_queues_by_reason(hw, IEEE80211_MAX_QUEUE_MAP,
@@ -2441,6 +2713,27 @@
return pos;
}
+u8 ieee80211_ie_len_he_cap(struct ieee80211_sub_if_data *sdata, u8 iftype)
+{
+ const struct ieee80211_sta_he_cap *he_cap;
+ struct ieee80211_supported_band *sband;
+ u8 n;
+
+ sband = ieee80211_get_sband(sdata);
+ if (!sband)
+ return 0;
+
+ he_cap = ieee80211_get_he_iftype_cap(sband, iftype);
+ if (!he_cap)
+ return 0;
+
+ n = ieee80211_he_mcs_nss_size(&he_cap->he_cap_elem);
+ return 2 + 1 +
+ sizeof(he_cap->he_cap_elem) + n +
+ ieee80211_he_ppe_size(he_cap->ppe_thres[0],
+ he_cap->he_cap_elem.phy_cap_info);
+}
+
u8 *ieee80211_ie_build_he_cap(u8 *pos,
const struct ieee80211_sta_he_cap *he_cap,
u8 *end)
@@ -2630,6 +2923,34 @@
return pos + sizeof(struct ieee80211_vht_operation);
}
+u8 *ieee80211_ie_build_he_oper(u8 *pos)
+{
+ struct ieee80211_he_operation *he_oper;
+ u32 he_oper_params;
+
+ *pos++ = WLAN_EID_EXTENSION;
+ *pos++ = 1 + sizeof(struct ieee80211_he_operation);
+ *pos++ = WLAN_EID_EXT_HE_OPERATION;
+
+ he_oper_params = 0;
+ he_oper_params |= u32_encode_bits(1023, /* disabled */
+ IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK);
+ he_oper_params |= u32_encode_bits(1,
+ IEEE80211_HE_OPERATION_ER_SU_DISABLE);
+ he_oper_params |= u32_encode_bits(1,
+ IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED);
+
+ he_oper = (struct ieee80211_he_operation *)pos;
+ he_oper->he_oper_params = cpu_to_le32(he_oper_params);
+
+ /* don't require special HE peer rates */
+ he_oper->he_mcs_nss_set = cpu_to_le16(0xffff);
+
+ /* TODO add VHT operational and 6GHz operational subelement? */
+
+ return pos + sizeof(struct ieee80211_vht_operation);
+}
+
bool ieee80211_chandef_ht_oper(const struct ieee80211_ht_operation *ht_oper,
struct cfg80211_chan_def *chandef)
{
@@ -2657,49 +2978,65 @@
return true;
}
-bool ieee80211_chandef_vht_oper(const struct ieee80211_vht_operation *oper,
+bool ieee80211_chandef_vht_oper(struct ieee80211_hw *hw,
+ const struct ieee80211_vht_operation *oper,
+ const struct ieee80211_ht_operation *htop,
struct cfg80211_chan_def *chandef)
{
struct cfg80211_chan_def new = *chandef;
- int cf1, cf2;
+ int cf0, cf1;
+ int ccfs0, ccfs1, ccfs2;
+ int ccf0, ccf1;
- if (!oper)
+ if (!oper || !htop)
return false;
- cf1 = ieee80211_channel_to_frequency(oper->center_freq_seg0_idx,
- chandef->chan->band);
- cf2 = ieee80211_channel_to_frequency(oper->center_freq_seg1_idx,
- chandef->chan->band);
+ ccfs0 = oper->center_freq_seg0_idx;
+ ccfs1 = oper->center_freq_seg1_idx;
+ ccfs2 = (le16_to_cpu(htop->operation_mode) &
+ IEEE80211_HT_OP_MODE_CCFS2_MASK)
+ >> IEEE80211_HT_OP_MODE_CCFS2_SHIFT;
+
+ /* when parsing (and we know how to) CCFS1 and CCFS2 are equivalent */
+ ccf0 = ccfs0;
+ ccf1 = ccfs1;
+ if (!ccfs1 && ieee80211_hw_check(hw, SUPPORTS_VHT_EXT_NSS_BW))
+ ccf1 = ccfs2;
+
+ cf0 = ieee80211_channel_to_frequency(ccf0, chandef->chan->band);
+ cf1 = ieee80211_channel_to_frequency(ccf1, chandef->chan->band);
switch (oper->chan_width) {
case IEEE80211_VHT_CHANWIDTH_USE_HT:
+ /* just use HT information directly */
break;
case IEEE80211_VHT_CHANWIDTH_80MHZ:
new.width = NL80211_CHAN_WIDTH_80;
- new.center_freq1 = cf1;
+ new.center_freq1 = cf0;
/* If needed, adjust based on the newer interop workaround. */
- if (oper->center_freq_seg1_idx) {
+ if (ccf1) {
unsigned int diff;
- diff = abs(oper->center_freq_seg1_idx -
- oper->center_freq_seg0_idx);
+ diff = abs(ccf1 - ccf0);
if (diff == 8) {
new.width = NL80211_CHAN_WIDTH_160;
- new.center_freq1 = cf2;
+ new.center_freq1 = cf1;
} else if (diff > 8) {
new.width = NL80211_CHAN_WIDTH_80P80;
- new.center_freq2 = cf2;
+ new.center_freq2 = cf1;
}
}
break;
case IEEE80211_VHT_CHANWIDTH_160MHZ:
+ /* deprecated encoding */
new.width = NL80211_CHAN_WIDTH_160;
- new.center_freq1 = cf1;
+ new.center_freq1 = cf0;
break;
case IEEE80211_VHT_CHANWIDTH_80P80MHZ:
+ /* deprecated encoding */
new.width = NL80211_CHAN_WIDTH_80P80;
- new.center_freq1 = cf1;
- new.center_freq2 = cf2;
+ new.center_freq1 = cf0;
+ new.center_freq2 = cf1;
break;
default:
return false;
@@ -3519,7 +3856,7 @@
}
/* Always allow software iftypes */
- if (local->hw.wiphy->software_iftypes & BIT(iftype)) {
+ if (cfg80211_iftype_allowed(local->hw.wiphy, iftype, 0, 1)) {
if (radar_detect)
return -EINVAL;
return 0;
@@ -3554,7 +3891,8 @@
if (sdata_iter == sdata ||
!ieee80211_sdata_running(sdata_iter) ||
- local->hw.wiphy->software_iftypes & BIT(wdev_iter->iftype))
+ cfg80211_iftype_allowed(local->hw.wiphy,
+ wdev_iter->iftype, 0, 1))
continue;
params.iftype_num[wdev_iter->iftype]++;
diff --git a/net/mac80211/vht.c b/net/mac80211/vht.c
index 259325c..ccdcb9a 100644
--- a/net/mac80211/vht.c
+++ b/net/mac80211/vht.c
@@ -1,12 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* VHT handling
*
* Portions of this file
* Copyright(c) 2015 - 2016 Intel Deutschland GmbH
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
+ * Copyright (C) 2018 - 2019 Intel Corporation
*/
#include <linux/ieee80211.h>
@@ -231,6 +229,13 @@
memcpy(&vht_cap->vht_mcs, &vht_cap_ie->supp_mcs,
sizeof(struct ieee80211_vht_mcs_info));
+ /* copy EXT_NSS_BW Support value or remove the capability */
+ if (ieee80211_hw_check(&sdata->local->hw, SUPPORTS_VHT_EXT_NSS_BW))
+ vht_cap->cap |= (cap_info & IEEE80211_VHT_CAP_EXT_NSS_BW_MASK);
+ else
+ vht_cap->vht_mcs.tx_highest &=
+ ~cpu_to_le16(IEEE80211_VHT_EXT_NSS_BW_CAPABLE);
+
/* but also restrict MCSes */
for (i = 0; i < 8; i++) {
u16 own_rx, own_tx, peer_rx, peer_tx;
@@ -294,6 +299,18 @@
break;
default:
sta->cur_max_bandwidth = IEEE80211_STA_RX_BW_80;
+
+ if (!(vht_cap->vht_mcs.tx_highest &
+ cpu_to_le16(IEEE80211_VHT_EXT_NSS_BW_CAPABLE)))
+ break;
+
+ /*
+ * If this is non-zero, then it does support 160 MHz after all,
+ * in one form or the other. We don't distinguish here (or even
+ * above) between 160 and 80+80 yet.
+ */
+ if (cap_info & IEEE80211_VHT_CAP_EXT_NSS_BW_MASK)
+ sta->cur_max_bandwidth = IEEE80211_STA_RX_BW_160;
}
sta->sta.bandwidth = ieee80211_sta_cur_vht_bw(sta);
@@ -332,6 +349,14 @@
cap_width == IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ)
return IEEE80211_STA_RX_BW_160;
+ /*
+ * If this is non-zero, then it does support 160 MHz after all,
+ * in one form or the other. We don't distinguish here (or even
+ * above) between 160 and 80+80 yet.
+ */
+ if (vht_cap->cap & IEEE80211_VHT_CAP_EXT_NSS_BW_MASK)
+ return IEEE80211_STA_RX_BW_160;
+
return IEEE80211_STA_RX_BW_80;
}
diff --git a/net/mac80211/wep.c b/net/mac80211/wep.c
index 73e8f34..b75c2c5 100644
--- a/net/mac80211/wep.c
+++ b/net/mac80211/wep.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Software WEP encryption implementation
* Copyright 2002, Jouni Malinen <jkmaline@cc.hut.fi>
* Copyright 2003, Instant802 Networks, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/netdevice.h>
@@ -30,30 +27,9 @@
/* start WEP IV from a random value */
get_random_bytes(&local->wep_iv, IEEE80211_WEP_IV_LEN);
- local->wep_tx_tfm = crypto_alloc_cipher("arc4", 0, CRYPTO_ALG_ASYNC);
- if (IS_ERR(local->wep_tx_tfm)) {
- local->wep_rx_tfm = ERR_PTR(-EINVAL);
- return PTR_ERR(local->wep_tx_tfm);
- }
-
- local->wep_rx_tfm = crypto_alloc_cipher("arc4", 0, CRYPTO_ALG_ASYNC);
- if (IS_ERR(local->wep_rx_tfm)) {
- crypto_free_cipher(local->wep_tx_tfm);
- local->wep_tx_tfm = ERR_PTR(-EINVAL);
- return PTR_ERR(local->wep_rx_tfm);
- }
-
return 0;
}
-void ieee80211_wep_free(struct ieee80211_local *local)
-{
- if (!IS_ERR(local->wep_tx_tfm))
- crypto_free_cipher(local->wep_tx_tfm);
- if (!IS_ERR(local->wep_rx_tfm))
- crypto_free_cipher(local->wep_rx_tfm);
-}
-
static inline bool ieee80211_wep_weak_iv(u32 iv, int keylen)
{
/*
@@ -131,21 +107,17 @@
/* Perform WEP encryption using given key. data buffer must have tailroom
* for 4-byte ICV. data_len must not include this ICV. Note: this function
* does _not_ add IV. data = RC4(data | CRC32(data)) */
-int ieee80211_wep_encrypt_data(struct crypto_cipher *tfm, u8 *rc4key,
+int ieee80211_wep_encrypt_data(struct arc4_ctx *ctx, u8 *rc4key,
size_t klen, u8 *data, size_t data_len)
{
__le32 icv;
- int i;
-
- if (IS_ERR(tfm))
- return -1;
icv = cpu_to_le32(~crc32_le(~0, data, data_len));
put_unaligned(icv, (__le32 *)(data + data_len));
- crypto_cipher_setkey(tfm, rc4key, klen);
- for (i = 0; i < data_len + IEEE80211_WEP_ICV_LEN; i++)
- crypto_cipher_encrypt_one(tfm, data + i, data + i);
+ arc4_setkey(ctx, rc4key, klen);
+ arc4_crypt(ctx, data, data, data_len + IEEE80211_WEP_ICV_LEN);
+ memzero_explicit(ctx, sizeof(*ctx));
return 0;
}
@@ -184,7 +156,7 @@
/* Add room for ICV */
skb_put(skb, IEEE80211_WEP_ICV_LEN);
- return ieee80211_wep_encrypt_data(local->wep_tx_tfm, rc4key, keylen + 3,
+ return ieee80211_wep_encrypt_data(&local->wep_tx_ctx, rc4key, keylen + 3,
iv + IEEE80211_WEP_IV_LEN, len);
}
@@ -192,18 +164,14 @@
/* Perform WEP decryption using given key. data buffer includes encrypted
* payload, including 4-byte ICV, but _not_ IV. data_len must not include ICV.
* Return 0 on success and -1 on ICV mismatch. */
-int ieee80211_wep_decrypt_data(struct crypto_cipher *tfm, u8 *rc4key,
+int ieee80211_wep_decrypt_data(struct arc4_ctx *ctx, u8 *rc4key,
size_t klen, u8 *data, size_t data_len)
{
__le32 crc;
- int i;
- if (IS_ERR(tfm))
- return -1;
-
- crypto_cipher_setkey(tfm, rc4key, klen);
- for (i = 0; i < data_len + IEEE80211_WEP_ICV_LEN; i++)
- crypto_cipher_decrypt_one(tfm, data + i, data + i);
+ arc4_setkey(ctx, rc4key, klen);
+ arc4_crypt(ctx, data, data, data_len + IEEE80211_WEP_ICV_LEN);
+ memzero_explicit(ctx, sizeof(*ctx));
crc = cpu_to_le32(~crc32_le(~0, data, data_len));
if (memcmp(&crc, data + data_len, IEEE80211_WEP_ICV_LEN) != 0)
@@ -256,7 +224,7 @@
/* Copy rest of the WEP key (the secret part) */
memcpy(rc4key + 3, key->conf.key, key->conf.keylen);
- if (ieee80211_wep_decrypt_data(local->wep_rx_tfm, rc4key, klen,
+ if (ieee80211_wep_decrypt_data(&local->wep_rx_ctx, rc4key, klen,
skb->data + hdrlen +
IEEE80211_WEP_IV_LEN, len))
ret = -1;
diff --git a/net/mac80211/wep.h b/net/mac80211/wep.h
index 9615749..997a034 100644
--- a/net/mac80211/wep.h
+++ b/net/mac80211/wep.h
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Software WEP encryption implementation
* Copyright 2002, Jouni Malinen <jkmaline@cc.hut.fi>
* Copyright 2003, Instant802 Networks, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef WEP_H
@@ -17,13 +14,12 @@
#include "key.h"
int ieee80211_wep_init(struct ieee80211_local *local);
-void ieee80211_wep_free(struct ieee80211_local *local);
-int ieee80211_wep_encrypt_data(struct crypto_cipher *tfm, u8 *rc4key,
+int ieee80211_wep_encrypt_data(struct arc4_ctx *ctx, u8 *rc4key,
size_t klen, u8 *data, size_t data_len);
int ieee80211_wep_encrypt(struct ieee80211_local *local,
struct sk_buff *skb,
const u8 *key, int keylen, int keyidx);
-int ieee80211_wep_decrypt_data(struct crypto_cipher *tfm, u8 *rc4key,
+int ieee80211_wep_decrypt_data(struct arc4_ctx *ctx, u8 *rc4key,
size_t klen, u8 *data, size_t data_len);
ieee80211_rx_result
diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c
index 5f7c963..72920d8 100644
--- a/net/mac80211/wme.c
+++ b/net/mac80211/wme.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2004, Instant802 Networks, Inc.
* Copyright 2013-2014 Intel Mobile Communications GmbH
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/netdevice.h>
@@ -141,71 +138,24 @@
return ieee80211_downgrade_queue(sdata, NULL, skb);
}
-/* Indicate which queue to use. */
-u16 ieee80211_select_queue(struct ieee80211_sub_if_data *sdata,
- struct sk_buff *skb)
+u16 __ieee80211_select_queue(struct ieee80211_sub_if_data *sdata,
+ struct sta_info *sta, struct sk_buff *skb)
{
- struct ieee80211_local *local = sdata->local;
- struct sta_info *sta = NULL;
- const u8 *ra = NULL;
- bool qos = false;
struct mac80211_qos_map *qos_map;
- u16 ret;
+ bool qos;
- if (local->hw.queues < IEEE80211_NUM_ACS || skb->len < 6) {
- skb->priority = 0; /* required for correct WPA/11i MIC */
- return 0;
- }
-
- rcu_read_lock();
- switch (sdata->vif.type) {
- case NL80211_IFTYPE_AP_VLAN:
- sta = rcu_dereference(sdata->u.vlan.sta);
- if (sta) {
- qos = sta->sta.wme;
- break;
- }
- /* fall through */
- case NL80211_IFTYPE_AP:
- ra = skb->data;
- break;
- case NL80211_IFTYPE_WDS:
- ra = sdata->u.wds.remote_addr;
- break;
-#ifdef CONFIG_MAC80211_MESH
- case NL80211_IFTYPE_MESH_POINT:
+ /* all mesh/ocb stations are required to support WME */
+ if (sdata->vif.type == NL80211_IFTYPE_MESH_POINT ||
+ sdata->vif.type == NL80211_IFTYPE_OCB)
qos = true;
- break;
-#endif
- case NL80211_IFTYPE_STATION:
- /* might be a TDLS station */
- sta = sta_info_get(sdata, skb->data);
- if (sta)
- qos = sta->sta.wme;
-
- ra = sdata->u.mgd.bssid;
- break;
- case NL80211_IFTYPE_ADHOC:
- ra = skb->data;
- break;
- case NL80211_IFTYPE_OCB:
- /* all stations are required to support WME */
- qos = true;
- break;
- default:
- break;
- }
-
- if (!sta && ra && !is_multicast_ether_addr(ra)) {
- sta = sta_info_get(sdata, ra);
- if (sta)
- qos = sta->sta.wme;
- }
+ else if (sta)
+ qos = sta->sta.wme;
+ else
+ qos = false;
if (!qos) {
skb->priority = 0; /* required for correct WPA/11i MIC */
- ret = IEEE80211_AC_BE;
- goto out;
+ return IEEE80211_AC_BE;
}
if (skb->protocol == sdata->control_port_protocol) {
@@ -220,8 +170,61 @@
&qos_map->qos_map : NULL);
downgrade:
- ret = ieee80211_downgrade_queue(sdata, sta, skb);
- out:
+ return ieee80211_downgrade_queue(sdata, sta, skb);
+}
+
+
+/* Indicate which queue to use. */
+u16 ieee80211_select_queue(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb)
+{
+ struct ieee80211_local *local = sdata->local;
+ struct sta_info *sta = NULL;
+ const u8 *ra = NULL;
+ u16 ret;
+
+ /* when using iTXQ, we can do this later */
+ if (local->ops->wake_tx_queue)
+ return 0;
+
+ if (local->hw.queues < IEEE80211_NUM_ACS || skb->len < 6) {
+ skb->priority = 0; /* required for correct WPA/11i MIC */
+ return 0;
+ }
+
+ rcu_read_lock();
+ switch (sdata->vif.type) {
+ case NL80211_IFTYPE_AP_VLAN:
+ sta = rcu_dereference(sdata->u.vlan.sta);
+ if (sta)
+ break;
+ /* fall through */
+ case NL80211_IFTYPE_AP:
+ ra = skb->data;
+ break;
+ case NL80211_IFTYPE_WDS:
+ ra = sdata->u.wds.remote_addr;
+ break;
+ case NL80211_IFTYPE_STATION:
+ /* might be a TDLS station */
+ sta = sta_info_get(sdata, skb->data);
+ if (sta)
+ break;
+
+ ra = sdata->u.mgd.bssid;
+ break;
+ case NL80211_IFTYPE_ADHOC:
+ ra = skb->data;
+ break;
+ default:
+ break;
+ }
+
+ if (!sta && ra && !is_multicast_ether_addr(ra))
+ sta = sta_info_get(sdata, ra);
+
+ ret = __ieee80211_select_queue(sdata, sta, skb);
+
rcu_read_unlock();
return ret;
}
diff --git a/net/mac80211/wme.h b/net/mac80211/wme.h
index 80151ed..2e3dec0 100644
--- a/net/mac80211/wme.h
+++ b/net/mac80211/wme.h
@@ -1,10 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright 2004, Instant802 Networks, Inc.
* Copyright 2005, Devicescape Software, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef _WME_H
@@ -16,6 +13,8 @@
u16 ieee80211_select_queue_80211(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb,
struct ieee80211_hdr *hdr);
+u16 __ieee80211_select_queue(struct ieee80211_sub_if_data *sdata,
+ struct sta_info *sta, struct sk_buff *skb);
u16 ieee80211_select_queue(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb);
void ieee80211_set_qos_hdr(struct ieee80211_sub_if_data *sdata,
diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c
index 58d0b25..91bf32a 100644
--- a/net/mac80211/wpa.c
+++ b/net/mac80211/wpa.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2002-2004, Instant802 Networks, Inc.
* Copyright 2008, Jouni Malinen <j@w1.fi>
* Copyright (C) 2016-2017 Intel Deutschland GmbH
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/netdevice.h>
@@ -242,7 +239,7 @@
/* Add room for ICV */
skb_put(skb, IEEE80211_TKIP_ICV_LEN);
- return ieee80211_tkip_encrypt_data(tx->local->wep_tx_tfm,
+ return ieee80211_tkip_encrypt_data(&tx->local->wep_tx_ctx,
key, skb, pos, len);
}
@@ -293,7 +290,7 @@
if (status->flag & RX_FLAG_DECRYPTED)
hwaccel = 1;
- res = ieee80211_tkip_decrypt_data(rx->local->wep_rx_tfm,
+ res = ieee80211_tkip_decrypt_data(&rx->local->wep_rx_ctx,
key, skb->data + hdrlen,
skb->len - hdrlen, rx->sta->sta.addr,
hdr->addr1, hwaccel, rx->security_idx,
@@ -949,7 +946,8 @@
info = IEEE80211_SKB_CB(skb);
- if (info->control.hw_key)
+ if (info->control.hw_key &&
+ !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_MMIE))
return TX_CONTINUE;
if (WARN_ON(skb_tailroom(skb) < sizeof(*mmie)))
@@ -965,6 +963,9 @@
bip_ipn_set64(mmie->sequence_number, pn64);
+ if (info->control.hw_key)
+ return TX_CONTINUE;
+
bip_aad(skb, aad);
/*
@@ -1175,7 +1176,7 @@
struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
struct ieee80211_key *key = rx->key;
struct ieee80211_mmie_16 *mmie;
- u8 aad[GMAC_AAD_LEN], mic[GMAC_MIC_LEN], ipn[6], nonce[GMAC_NONCE_LEN];
+ u8 aad[GMAC_AAD_LEN], *mic, ipn[6], nonce[GMAC_NONCE_LEN];
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
if (!ieee80211_is_mgmt(hdr->frame_control))
@@ -1206,13 +1207,18 @@
memcpy(nonce, hdr->addr2, ETH_ALEN);
memcpy(nonce + ETH_ALEN, ipn, 6);
+ mic = kmalloc(GMAC_MIC_LEN, GFP_ATOMIC);
+ if (!mic)
+ return RX_DROP_UNUSABLE;
if (ieee80211_aes_gmac(key->u.aes_gmac.tfm, aad, nonce,
skb->data + 24, skb->len - 24,
mic) < 0 ||
crypto_memneq(mic, mmie->mic, sizeof(mmie->mic))) {
key->u.aes_gmac.icverrors++;
+ kfree(mic);
return RX_DROP_UNUSABLE;
}
+ kfree(mic);
}
memcpy(key->u.aes_gmac.rx_pn, ipn, 6);
diff --git a/net/mac80211/wpa.h b/net/mac80211/wpa.h
index d98011e..af32722 100644
--- a/net/mac80211/wpa.h
+++ b/net/mac80211/wpa.h
@@ -1,9 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright 2002-2004, Instant802 Networks, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef WPA_H