Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/net/batman-adv/bat_v.c b/net/batman-adv/bat_v.c
index 6baec4e..64054ed 100644
--- a/net/batman-adv/bat_v.c
+++ b/net/batman-adv/bat_v.c
@@ -1,19 +1,7 @@
// SPDX-License-Identifier: GPL-2.0
-/* Copyright (C) 2013-2018 B.A.T.M.A.N. contributors:
+/* Copyright (C) 2013-2019 B.A.T.M.A.N. contributors:
*
* Linus Lüssing, Marek Lindner
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "bat_v.h"
@@ -27,11 +15,14 @@
#include <linux/jiffies.h>
#include <linux/kernel.h>
#include <linux/kref.h>
+#include <linux/list.h>
#include <linux/netdevice.h>
#include <linux/netlink.h>
#include <linux/rculist.h>
#include <linux/rcupdate.h>
#include <linux/seq_file.h>
+#include <linux/skbuff.h>
+#include <linux/spinlock.h>
#include <linux/stddef.h>
#include <linux/types.h>
#include <linux/workqueue.h>
@@ -51,8 +42,6 @@
#include "netlink.h"
#include "originator.h"
-struct sk_buff;
-
static void batadv_v_iface_activate(struct batadv_hard_iface *hard_iface)
{
struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
@@ -90,6 +79,7 @@
static void batadv_v_iface_disable(struct batadv_hard_iface *hard_iface)
{
+ batadv_v_ogm_iface_disable(hard_iface);
batadv_v_elp_iface_disable(hard_iface);
}
@@ -915,13 +905,14 @@
* batadv_v_gw_dump_entry() - Dump a gateway into a message
* @msg: Netlink message to dump into
* @portid: Port making netlink request
- * @seq: Sequence number of netlink message
+ * @cb: Control block containing additional options
* @bat_priv: The bat priv with all the soft interface information
* @gw_node: Gateway to be dumped
*
* Return: Error code, or 0 on success
*/
-static int batadv_v_gw_dump_entry(struct sk_buff *msg, u32 portid, u32 seq,
+static int batadv_v_gw_dump_entry(struct sk_buff *msg, u32 portid,
+ struct netlink_callback *cb,
struct batadv_priv *bat_priv,
struct batadv_gw_node *gw_node)
{
@@ -941,13 +932,16 @@
curr_gw = batadv_gw_get_selected_gw_node(bat_priv);
- hdr = genlmsg_put(msg, portid, seq, &batadv_netlink_family,
- NLM_F_MULTI, BATADV_CMD_GET_GATEWAYS);
+ hdr = genlmsg_put(msg, portid, cb->nlh->nlmsg_seq,
+ &batadv_netlink_family, NLM_F_MULTI,
+ BATADV_CMD_GET_GATEWAYS);
if (!hdr) {
ret = -ENOBUFS;
goto out;
}
+ genl_dump_check_consistent(cb, hdr);
+
ret = -EMSGSIZE;
if (curr_gw == gw_node) {
@@ -1018,13 +1012,15 @@
int idx_skip = cb->args[0];
int idx = 0;
- rcu_read_lock();
- hlist_for_each_entry_rcu(gw_node, &bat_priv->gw.gateway_list, list) {
+ spin_lock_bh(&bat_priv->gw.list_lock);
+ cb->seq = bat_priv->gw.generation << 1 | 1;
+
+ hlist_for_each_entry(gw_node, &bat_priv->gw.gateway_list, list) {
if (idx++ < idx_skip)
continue;
- if (batadv_v_gw_dump_entry(msg, portid, cb->nlh->nlmsg_seq,
- bat_priv, gw_node)) {
+ if (batadv_v_gw_dump_entry(msg, portid, cb, bat_priv,
+ gw_node)) {
idx_skip = idx - 1;
goto unlock;
}
@@ -1032,7 +1028,7 @@
idx_skip = idx;
unlock:
- rcu_read_unlock();
+ spin_unlock_bh(&bat_priv->gw.list_lock);
cb->args[0] = idx_skip;
}
@@ -1086,6 +1082,12 @@
*/
atomic_set(&hard_iface->bat_v.throughput_override, 0);
atomic_set(&hard_iface->bat_v.elp_interval, 500);
+
+ hard_iface->bat_v.aggr_len = 0;
+ skb_queue_head_init(&hard_iface->bat_v.aggr_list);
+ spin_lock_init(&hard_iface->bat_v.aggr_list_lock);
+ INIT_DELAYED_WORK(&hard_iface->bat_v.aggr_wq,
+ batadv_v_ogm_aggr_work);
}
/**