7 files changed, 107 insertions, 24 deletions

diff --git a/include/linux/etherdevice.h b/include/linux/etherdevice.h
index a1f17ab..3d7a668 100644
--- a/include/linux/etherdevice.h
+++ b/include/linux/etherdevice.h
@@ -182,6 +182,33 @@ static inline unsigned compare_ether_addr_64bits(const u8 addr1[6+2],
 	return compare_ether_addr(addr1, addr2);
 #endif
 }
+
+/**
+ * is_etherdev_addr - Tell if given Ethernet address belongs to the device.
+ * @dev: Pointer to a device structure
+ * @addr: Pointer to a six-byte array containing the Ethernet address
+ *
+ * Compare passed address with all addresses of the device. Return true if the
+ * address if one of the device addresses.
+ *
+ * Note that this function calls compare_ether_addr_64bits() so take care of
+ * the right padding.
+ */
+static inline bool is_etherdev_addr(const struct net_device *dev,
+				    const u8 addr[6 + 2])
+{
+	struct netdev_hw_addr *ha;
+	int res = 1;
+
+	rcu_read_lock();
+	for_each_dev_addr(dev, ha) {
+		res = compare_ether_addr_64bits(addr, ha->addr);
+		if (!res)
+			break;
+	}
+	rcu_read_unlock();
+	return !res;
+}
 #endif	/* __KERNEL__ */
 
 /**
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index ff42aba..2af89b6 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -39,6 +39,7 @@
 
 #include <linux/device.h>
 #include <linux/percpu.h>
+#include <linux/rculist.h>
 #include <linux/dmaengine.h>
 #include <linux/workqueue.h>
 
@@ -210,6 +211,16 @@ struct dev_addr_list
 #define dmi_users	da_users
 #define dmi_gusers	da_gusers
 
+struct netdev_hw_addr {
+	struct list_head	list;
+	unsigned char		addr[MAX_ADDR_LEN];
+	unsigned char		type;
+#define NETDEV_HW_ADDR_T_LAN	1
+#define NETDEV_HW_ADDR_T_SAN	2
+#define NETDEV_HW_ADDR_T_SLAVE	3
+	struct rcu_head		rcu_head;
+};
+
 struct hh_cache
 {
 	struct hh_cache *hh_next;	/* Next entry			     */
@@ -784,8 +795,11 @@ struct net_device
  */
 	unsigned long		last_rx;	/* Time of last Rx	*/
 	/* Interface address info used in eth_type_trans() */
-	unsigned char		dev_addr[MAX_ADDR_LEN];	/* hw address, (before bcast
-							   because most packets are unicast) */
+	unsigned char		*dev_addr;	/* hw address, (before bcast
+						   because most packets are
+						   unicast) */
+
+	struct list_head	dev_addr_list; /* list of device hw addresses */
 
 	unsigned char		broadcast[MAX_ADDR_LEN];	/* hw bcast add	*/
 
@@ -1791,6 +1805,13 @@ static inline void netif_addr_unlock_bh(struct net_device *dev)
 	spin_unlock_bh(&dev->addr_list_lock);
 }
 
+/*
+ * dev_addr_list walker. Should be used only for read access. Call with
+ * rcu_read_lock held.
+ */
+#define for_each_dev_addr(dev, ha) \
+		list_for_each_entry_rcu(ha, &dev->dev_addr_list, list)
+
 /* These functions live elsewhere (drivers/net/net_init.c, but related) */
 
 extern void		ether_setup(struct net_device *dev);
@@ -1803,6 +1824,19 @@ extern struct net_device *alloc_netdev_mq(int sizeof_priv, const char *name,
 	alloc_netdev_mq(sizeof_priv, name, setup, 1)
 extern int		register_netdev(struct net_device *dev);
 extern void		unregister_netdev(struct net_device *dev);
+
+/* Functions used for device addresses handling */
+extern int dev_addr_add(struct net_device *dev, unsigned char *addr,
+			unsigned char addr_type);
+extern int dev_addr_del(struct net_device *dev, unsigned char *addr,
+			unsigned char addr_type);
+extern int dev_addr_add_multiple(struct net_device *to_dev,
+				 struct net_device *from_dev,
+				 unsigned char addr_type);
+extern int dev_addr_del_multiple(struct net_device *to_dev,
+				 struct net_device *from_dev,
+				 unsigned char addr_type);
+
 /* Functions used for secondary unicast and multicast support */
 extern void		dev_set_rx_mode(struct net_device *dev);
 extern void		__dev_set_rx_mode(struct net_device *dev);
diff --git a/include/linux/netfilter/xt_LED.h b/include/linux/netfilter/xt_LED.h
index 4c91a0d..f5509e7 100644
--- a/include/linux/netfilter/xt_LED.h
+++ b/include/linux/netfilter/xt_LED.h
@@ -1,6 +1,8 @@
 #ifndef _XT_LED_H
 #define _XT_LED_H
 
+#include <linux/types.h>
+
 struct xt_led_info {
 	char id[27];        /* Unique ID for this trigger in the LED class */
 	__u8 always_blink;  /* Blink even if the LED is already on */
diff --git a/include/linux/netfilter/xt_cluster.h b/include/linux/netfilter/xt_cluster.h
index 5e0a0d0..8866826 100644
--- a/include/linux/netfilter/xt_cluster.h
+++ b/include/linux/netfilter/xt_cluster.h
@@ -12,4 +12,6 @@ struct xt_cluster_match_info {
 	u_int32_t		flags;
 };
 
+#define XT_CLUSTER_NODES_MAX	32
+
 #endif /* _XT_CLUSTER_MATCH_H */
diff --git a/include/linux/usb/cdc.h b/include/linux/usb/cdc.h
index 3c86ed2..c24124a 100644
--- a/include/linux/usb/cdc.h
+++ b/include/linux/usb/cdc.h
@@ -17,6 +17,7 @@
 #define USB_CDC_SUBCLASS_DMM			0x09
 #define USB_CDC_SUBCLASS_MDLM			0x0a
 #define USB_CDC_SUBCLASS_OBEX			0x0b
+#define USB_CDC_SUBCLASS_EEM			0x0c
 
 #define USB_CDC_PROTO_NONE			0
 
@@ -28,6 +29,8 @@
 #define USB_CDC_ACM_PROTO_AT_CDMA		6
 #define USB_CDC_ACM_PROTO_VENDOR		0xff
 
+#define USB_CDC_PROTO_EEM			7
+
 /*-------------------------------------------------------------------------*/
 
 /*
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index be5bd71..73aead2 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -457,6 +457,7 @@ int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count);
 
 int hci_register_sysfs(struct hci_dev *hdev);
 void hci_unregister_sysfs(struct hci_dev *hdev);
+void hci_conn_init_sysfs(struct hci_conn *conn);
 void hci_conn_add_sysfs(struct hci_conn *conn);
 void hci_conn_del_sysfs(struct hci_conn *conn);
 
diff --git a/include/net/tcp.h b/include/net/tcp.h
index b55b489..19f4150 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -41,6 +41,7 @@
 #include <net/ip.h>
 #include <net/tcp_states.h>
 #include <net/inet_ecn.h>
+#include <net/dst.h>
 
 #include <linux/seq_file.h>
 
@@ -543,6 +544,17 @@ static inline void tcp_fast_path_check(struct sock *sk)
 		tcp_fast_path_on(tp);
 }
 
+/* Compute the actual rto_min value */
+static inline u32 tcp_rto_min(struct sock *sk)
+{
+	struct dst_entry *dst = __sk_dst_get(sk);
+	u32 rto_min = TCP_RTO_MIN;
+
+	if (dst && dst_metric_locked(dst, RTAX_RTO_MIN))
+		rto_min = dst_metric_rtt(dst, RTAX_RTO_MIN);
+	return rto_min;
+}
+
 /* Compute the actual receive window we are currently advertising.
  * Rcv_nxt can be after the window if our peer push more data
  * than the offered window.
@@ -890,30 +902,32 @@ static inline int tcp_prequeue(struct sock *sk, struct sk_buff *skb)
 {
 	struct tcp_sock *tp = tcp_sk(sk);
 
-	if (!sysctl_tcp_low_latency && tp->ucopy.task) {
-		__skb_queue_tail(&tp->ucopy.prequeue, skb);
-		tp->ucopy.memory += skb->truesize;
-		if (tp->ucopy.memory > sk->sk_rcvbuf) {
-			struct sk_buff *skb1;
-
-			BUG_ON(sock_owned_by_user(sk));
-
-			while ((skb1 = __skb_dequeue(&tp->ucopy.prequeue)) != NULL) {
-				sk_backlog_rcv(sk, skb1);
-				NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPPREQUEUEDROPPED);
-			}
-
-			tp->ucopy.memory = 0;
-		} else if (skb_queue_len(&tp->ucopy.prequeue) == 1) {
-			wake_up_interruptible(sk->sk_sleep);
-			if (!inet_csk_ack_scheduled(sk))
-				inet_csk_reset_xmit_timer(sk, ICSK_TIME_DACK,
-						          (3 * TCP_RTO_MIN) / 4,
-							  TCP_RTO_MAX);
+	if (sysctl_tcp_low_latency || !tp->ucopy.task)
+		return 0;
+
+	__skb_queue_tail(&tp->ucopy.prequeue, skb);
+	tp->ucopy.memory += skb->truesize;
+	if (tp->ucopy.memory > sk->sk_rcvbuf) {
+		struct sk_buff *skb1;
+
+		BUG_ON(sock_owned_by_user(sk));
+
+		while ((skb1 = __skb_dequeue(&tp->ucopy.prequeue)) != NULL) {
+			sk_backlog_rcv(sk, skb1);
+			NET_INC_STATS_BH(sock_net(sk),
+					 LINUX_MIB_TCPPREQUEUEDROPPED);
 		}
-		return 1;
+
+		tp->ucopy.memory = 0;
+	} else if (skb_queue_len(&tp->ucopy.prequeue) == 1) {
+		wake_up_interruptible_poll(sk->sk_sleep,
+					   POLLIN | POLLRDNORM | POLLRDBAND);
+		if (!inet_csk_ack_scheduled(sk))
+			inet_csk_reset_xmit_timer(sk, ICSK_TIME_DACK,
+						  (3 * tcp_rto_min(sk)) / 4,
+						  TCP_RTO_MAX);
 	}
-	return 0;
+	return 1;
 }