7 files changed, 51 insertions, 8 deletions
diff --git a/include/linux/filter.h b/include/linux/filter.h
index c050dcc..56a6b7f 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -58,10 +58,10 @@ extern void bpf_jit_free(struct sk_filter *fp);
 static inline void bpf_jit_dump(unsigned int flen, unsigned int proglen,
 				u32 pass, void *image)
 {
-	pr_err("flen=%u proglen=%u pass=%u image=%p\n",
+	pr_err("flen=%u proglen=%u pass=%u image=%pK\n",
 	       flen, proglen, pass, image);
 	if (image)
-		print_hex_dump(KERN_ERR, "JIT code: ", DUMP_PREFIX_ADDRESS,
+		print_hex_dump(KERN_ERR, "JIT code: ", DUMP_PREFIX_OFFSET,
 			       16, 1, image, proglen, false);
 }
 #define SK_RUN_FILTER(FILTER, SKB) (*FILTER->bpf_func)(SKB, FILTER->insns)
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 60584b1..0ebd63a 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1778,6 +1778,19 @@ static inline int unregister_gifconf(unsigned int family)
 	return register_gifconf(family, NULL);
 }
 
+#ifdef CONFIG_NET_FLOW_LIMIT
+#define FLOW_LIMIT_HISTORY	(1 << 8)	/* must be ^2 */
+struct sd_flow_limit {
+	u64			count;
+	unsigned int		num_buckets;
+	unsigned int		history_head;
+	u16			history[FLOW_LIMIT_HISTORY];
+	u8			buckets[];
+};
+
+extern int netdev_flow_limit_table_len;
+#endif /* CONFIG_NET_FLOW_LIMIT */
+
 /*
  * Incoming packets are placed on per-cpu queues
  */
@@ -1807,6 +1820,10 @@ struct softnet_data {
 	unsigned int		dropped;
 	struct sk_buff_head	input_pkt_queue;
 	struct napi_struct	backlog;
+
+#ifdef CONFIG_NET_FLOW_LIMIT
+	struct sd_flow_limit	*flow_limit;
+#endif
 };
 
 static inline void input_queue_head_incr(struct softnet_data *sd)
diff --git a/include/linux/phy.h b/include/linux/phy.h
index 9e11039..fdfa115 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -508,6 +508,18 @@ static inline int phy_write(struct phy_device *phydev, u32 regnum, u16 val)
 	return mdiobus_write(phydev->bus, phydev->addr, regnum, val);
 }
 
+/**
+ * phy_interrupt_is_valid - Convenience function for testing a given PHY irq
+ * @phydev: the phy_device struct
+ *
+ * NOTE: must be kept in sync with addition/removal of PHY_POLL and
+ * PHY_IGNORE_INTERRUPT
+ */
+static inline bool phy_interrupt_is_valid(struct phy_device *phydev)
+{
+	return phydev->irq != PHY_POLL && phydev->irq != PHY_IGNORE_INTERRUPT;
+}
+
 struct phy_device *phy_device_create(struct mii_bus *bus, int addr, int phy_id,
 		bool is_c45, struct phy_c45_device_ids *c45_ids);
 struct phy_device *get_phy_device(struct mii_bus *bus, int addr, bool is_c45);
@@ -545,6 +557,8 @@ void phy_drivers_unregister(struct phy_driver *drv, int n);
 int phy_driver_register(struct phy_driver *new_driver);
 int phy_drivers_register(struct phy_driver *new_driver, int n);
 void phy_state_machine(struct work_struct *work);
+void phy_change(struct work_struct *work);
+void phy_mac_interrupt(struct phy_device *phydev, int new_link);
 void phy_start_machine(struct phy_device *phydev,
 		void (*handler)(struct net_device *));
 void phy_stop_machine(struct phy_device *phydev);
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index 5adbc33..472120b 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -246,7 +246,6 @@ struct tcp_sock {
 
 	/* from STCP, retrans queue hinting */
 	struct sk_buff* lost_skb_hint;
-	struct sk_buff *scoreboard_skb_hint;
 	struct sk_buff *retransmit_skb_hint;
 
 	struct sk_buff_head	out_of_order_queue; /* Out of order segments go here */
diff --git a/include/net/if_inet6.h b/include/net/if_inet6.h
index 100fb8c..e07feb4 100644
--- a/include/net/if_inet6.h
+++ b/include/net/if_inet6.h
@@ -74,6 +74,7 @@ struct inet6_ifaddr {
 	bool			tokenized;
 
 	struct rcu_head		rcu;
+	struct in6_addr		peer_addr;
 };
 
 struct ip6_sf_socklist {
@@ -192,7 +193,6 @@ struct inet6_dev {
 	struct in6_addr		token;
 
 	struct neigh_parms	*nd_parms;
-	struct inet6_dev	*next;
 	struct ipv6_devconf	cnf;
 	struct ipv6_devstat	stats;
 	unsigned long		tstamp; /* ipv6InterfaceTable update timestamp */
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 5bba80f..bf1cc3d 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1193,7 +1193,6 @@ static inline void tcp_mib_init(struct net *net)
 static inline void tcp_clear_retrans_hints_partial(struct tcp_sock *tp)
 {
 	tp->lost_skb_hint = NULL;
-	tp->scoreboard_skb_hint = NULL;
 }
 
 static inline void tcp_clear_all_retrans_hints(struct tcp_sock *tp)
@@ -1284,11 +1283,13 @@ static inline struct tcp_md5sig_key *tcp_md5_do_lookup(struct sock *sk,
 #define tcp_twsk_md5_key(twsk)	NULL
 #endif
 
-extern struct tcp_md5sig_pool __percpu *tcp_alloc_md5sig_pool(struct sock *);
-extern void tcp_free_md5sig_pool(void);
+extern bool tcp_alloc_md5sig_pool(void);
 
 extern struct tcp_md5sig_pool	*tcp_get_md5sig_pool(void);
-extern void tcp_put_md5sig_pool(void);
+static inline void tcp_put_md5sig_pool(void)
+{
+	local_bh_enable();
+}
 
 extern int tcp_md5_hash_header(struct tcp_md5sig_pool *, const struct tcphdr *);
 extern int tcp_md5_hash_skb_data(struct tcp_md5sig_pool *, const struct sk_buff *,
diff --git a/include/xen/interface/io/netif.h b/include/xen/interface/io/netif.h
index 3ef3fe0..eb262e3 100644
--- a/include/xen/interface/io/netif.h
+++ b/include/xen/interface/io/netif.h
@@ -38,6 +38,18 @@
  * that it cannot safely queue packets (as it may not be kicked to send them).
  */
 
+ /*
+ * "feature-split-event-channels" is introduced to separate guest TX
+ * and RX notificaion. Backend either doesn't support this feature or
+ * advertise it via xenstore as 0 (disabled) or 1 (enabled).
+ *
+ * To make use of this feature, frontend should allocate two event
+ * channels for TX and RX, advertise them to backend as
+ * "event-channel-tx" and "event-channel-rx" respectively. If frontend
+ * doesn't want to use this feature, it just writes "event-channel"
+ * node as before.
+ */
+
 /*
  * This is the 'wire' format for packets:
  *  Request 1: xen_netif_tx_request  -- XEN_NETTXF_* (any flags)