Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/linux/dsa/8021q.h b/include/linux/dsa/8021q.h
new file mode 100644
index 0000000..0aa803c
--- /dev/null
+++ b/include/linux/dsa/8021q.h
@@ -0,0 +1,74 @@
+/* SPDX-License-Identifier: GPL-2.0
+ * Copyright (c) 2019, Vladimir Oltean <olteanv@gmail.com>
+ */
+
+#ifndef _NET_DSA_8021Q_H
+#define _NET_DSA_8021Q_H
+
+#include <linux/types.h>
+
+struct dsa_switch;
+struct sk_buff;
+struct net_device;
+struct packet_type;
+
+#if IS_ENABLED(CONFIG_NET_DSA_TAG_8021Q)
+
+int dsa_port_setup_8021q_tagging(struct dsa_switch *ds, int index,
+ bool enabled);
+
+struct sk_buff *dsa_8021q_xmit(struct sk_buff *skb, struct net_device *netdev,
+ u16 tpid, u16 tci);
+
+u16 dsa_8021q_tx_vid(struct dsa_switch *ds, int port);
+
+u16 dsa_8021q_rx_vid(struct dsa_switch *ds, int port);
+
+int dsa_8021q_rx_switch_id(u16 vid);
+
+int dsa_8021q_rx_source_port(u16 vid);
+
+struct sk_buff *dsa_8021q_remove_header(struct sk_buff *skb);
+
+#else
+
+int dsa_port_setup_8021q_tagging(struct dsa_switch *ds, int index,
+ bool enabled)
+{
+ return 0;
+}
+
+struct sk_buff *dsa_8021q_xmit(struct sk_buff *skb, struct net_device *netdev,
+ u16 tpid, u16 tci)
+{
+ return NULL;
+}
+
+u16 dsa_8021q_tx_vid(struct dsa_switch *ds, int port)
+{
+ return 0;
+}
+
+u16 dsa_8021q_rx_vid(struct dsa_switch *ds, int port)
+{
+ return 0;
+}
+
+int dsa_8021q_rx_switch_id(u16 vid)
+{
+ return 0;
+}
+
+int dsa_8021q_rx_source_port(u16 vid)
+{
+ return 0;
+}
+
+struct sk_buff *dsa_8021q_remove_header(struct sk_buff *skb)
+{
+ return NULL;
+}
+
+#endif /* IS_ENABLED(CONFIG_NET_DSA_TAG_8021Q) */
+
+#endif /* _NET_DSA_8021Q_H */
diff --git a/include/linux/dsa/sja1105.h b/include/linux/dsa/sja1105.h
new file mode 100644
index 0000000..897e799
--- /dev/null
+++ b/include/linux/dsa/sja1105.h
@@ -0,0 +1,64 @@
+/* SPDX-License-Identifier: GPL-2.0
+ * Copyright (c) 2019, Vladimir Oltean <olteanv@gmail.com>
+ */
+
+/* Included by drivers/net/dsa/sja1105/sja1105.h and net/dsa/tag_sja1105.c */
+
+#ifndef _NET_DSA_SJA1105_H
+#define _NET_DSA_SJA1105_H
+
+#include <linux/skbuff.h>
+#include <linux/etherdevice.h>
+#include <net/dsa.h>
+
+#define ETH_P_SJA1105 ETH_P_DSA_8021Q
+#define ETH_P_SJA1105_META 0x0008
+
+/* IEEE 802.3 Annex 57A: Slow Protocols PDUs (01:80:C2:xx:xx:xx) */
+#define SJA1105_LINKLOCAL_FILTER_A 0x0180C2000000ull
+#define SJA1105_LINKLOCAL_FILTER_A_MASK 0xFFFFFF000000ull
+/* IEEE 1588 Annex F: Transport of PTP over Ethernet (01:1B:19:xx:xx:xx) */
+#define SJA1105_LINKLOCAL_FILTER_B 0x011B19000000ull
+#define SJA1105_LINKLOCAL_FILTER_B_MASK 0xFFFFFF000000ull
+
+/* Source and Destination MAC of follow-up meta frames.
+ * Whereas the choice of SMAC only affects the unique identification of the
+ * switch as sender of meta frames, the DMAC must be an address that is present
+ * in the DSA master port's multicast MAC filter.
+ * 01-80-C2-00-00-0E is a good choice for this, as all profiles of IEEE 1588
+ * over L2 use this address for some purpose already.
+ */
+#define SJA1105_META_SMAC 0x222222222222ull
+#define SJA1105_META_DMAC 0x0180C200000Eull
+
+#define SJA1105_HWTS_RX_EN 0
+
+/* Global tagger data: each struct sja1105_port has a reference to
+ * the structure defined in struct sja1105_private.
+ */
+struct sja1105_tagger_data {
+ struct sk_buff_head skb_rxtstamp_queue;
+ struct work_struct rxtstamp_work;
+ struct sk_buff *stampable_skb;
+ /* Protects concurrent access to the meta state machine
+ * from taggers running on multiple ports on SMP systems
+ */
+ spinlock_t meta_lock;
+ unsigned long state;
+};
+
+struct sja1105_skb_cb {
+ u32 meta_tstamp;
+};
+
+#define SJA1105_SKB_CB(skb) \
+ ((struct sja1105_skb_cb *)DSA_SKB_CB_PRIV(skb))
+
+struct sja1105_port {
+ struct sja1105_tagger_data *data;
+ struct dsa_port *dp;
+ bool hwts_tx_en;
+ int mgmt_slot;
+};
+
+#endif /* _NET_DSA_SJA1105_H */