X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=include%2Flinux%2Fnetdevice.h;h=9d77b1d7dca806e540838d27bbc632961a340f0e;hb=5b37717a23b8e40f6cf7ad85a26ddcf41c171e2c;hp=6f85db3535e2f5d57628f03dc8f2ed98b6f09083;hpb=4fa4d23fa20de67df919030c1216295664866ad7;p=safe%2Fjmp%2Flinux-2.6

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 6f85db3..9d77b1d 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -11,7 +11,7 @@
  *		Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
  *		Corey Minyard <wf-rch!minyard@relay.EU.net>
  *		Donald J. Becker, <becker@cesdis.gsfc.nasa.gov>
- *		Alan Cox, <Alan.Cox@linux.org>
+ *		Alan Cox, <alan@lxorguk.ukuu.org.uk>
  *		Bjorn Ekwall. <bj0rn@blox.se>
  *              Pekka Riikonen <priikone@poseidon.pspt.fi>
  *
@@ -42,6 +42,7 @@
 #include <linux/workqueue.h>
 
 #include <net/net_namespace.h>
+#include <net/dsa.h>
 
 struct vlan_group;
 struct ethtool_ops;
@@ -61,9 +62,7 @@ struct wireless_dev;
 #define NET_XMIT_DROP		1	/* skb dropped			*/
 #define NET_XMIT_CN		2	/* congestion notification	*/
 #define NET_XMIT_POLICED	3	/* skb is shot by police	*/
-#define NET_XMIT_BYPASS		4	/* packet does not leave via dequeue;
-					   (TC use only - dev_queue_xmit
-					   returns this as NET_XMIT_SUCCESS) */
+#define NET_XMIT_MASK		0xFFFF	/* qdisc flags in net/sch_generic.h */
 
 /* Backlog congestion levels */
 #define NET_RX_SUCCESS		0   /* keep 'em coming, baby */
@@ -88,19 +87,23 @@ struct wireless_dev;
 #define NETDEV_TX_BUSY 1	/* driver tx path was busy*/
 #define NETDEV_TX_LOCKED -1	/* driver tx lock was already taken */
 
+#ifdef  __KERNEL__
+
 /*
  *	Compute the worst case header length according to the protocols
  *	used.
  */
  
-#if !defined(CONFIG_AX25) && !defined(CONFIG_AX25_MODULE) && !defined(CONFIG_TR)
-#define LL_MAX_HEADER	32
-#else
-#if defined(CONFIG_AX25) || defined(CONFIG_AX25_MODULE)
-#define LL_MAX_HEADER	96
+#if defined(CONFIG_WLAN_80211) || defined(CONFIG_AX25) || defined(CONFIG_AX25_MODULE)
+# if defined(CONFIG_MAC80211_MESH)
+#  define LL_MAX_HEADER 128
+# else
+#  define LL_MAX_HEADER 96
+# endif
+#elif defined(CONFIG_TR)
+# define LL_MAX_HEADER 48
 #else
-#define LL_MAX_HEADER	48
-#endif
+# define LL_MAX_HEADER 32
 #endif
 
 #if !defined(CONFIG_NET_IPIP) && !defined(CONFIG_NET_IPIP_MODULE) && \
@@ -112,13 +115,7 @@ struct wireless_dev;
 #define MAX_HEADER (LL_MAX_HEADER + 48)
 #endif
 
-struct net_device_subqueue
-{
-	/* Give a control state for each queue.  This struct may contain
-	 * per-queue locks in the future.
-	 */
-	unsigned long   state;
-};
+#endif  /*  __KERNEL__  */
 
 /*
  *	Network device statistics. Akin to the 2.0 ether stats but
@@ -244,11 +241,16 @@ struct hh_cache
  *
  * We could use other alignment values, but we must maintain the
  * relationship HH alignment <= LL alignment.
+ *
+ * LL_ALLOCATED_SPACE also takes into account the tailroom the device
+ * may need.
  */
 #define LL_RESERVED_SPACE(dev) \
-	(((dev)->hard_header_len&~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
+	((((dev)->hard_header_len+(dev)->needed_headroom)&~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
 #define LL_RESERVED_SPACE_EXTRA(dev,extra) \
-	((((dev)->hard_header_len+extra)&~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
+	((((dev)->hard_header_len+(dev)->needed_headroom+(extra))&~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
+#define LL_ALLOCATED_SPACE(dev) \
+	((((dev)->hard_header_len+(dev)->needed_headroom+(dev)->needed_tailroom)&~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
 
 struct header_ops {
 	int	(*create) (struct sk_buff *skb, struct net_device *dev,
@@ -270,14 +272,11 @@ struct header_ops {
 
 enum netdev_state_t
 {
-	__LINK_STATE_XOFF=0,
 	__LINK_STATE_START,
 	__LINK_STATE_PRESENT,
-	__LINK_STATE_SCHED,
 	__LINK_STATE_NOCARRIER,
 	__LINK_STATE_LINKWATCH_PENDING,
 	__LINK_STATE_DORMANT,
-	__LINK_STATE_QDISC_RUNNING,
 };
 
 
@@ -319,9 +318,15 @@ struct napi_struct {
 enum
 {
 	NAPI_STATE_SCHED,	/* Poll is scheduled */
+	NAPI_STATE_DISABLE,	/* Disable pending */
 };
 
-extern void FASTCALL(__napi_schedule(struct napi_struct *n));
+extern void __napi_schedule(struct napi_struct *n);
+
+static inline int napi_disable_pending(struct napi_struct *n)
+{
+	return test_bit(NAPI_STATE_DISABLE, &n->state);
+}
 
 /**
  *	napi_schedule_prep - check if napi can be scheduled
@@ -329,11 +334,13 @@ extern void FASTCALL(__napi_schedule(struct napi_struct *n));
  *
  * Test if NAPI routine is already running, and if not mark
  * it as running.  This is used as a condition variable
- * insure only one NAPI poll instance runs
+ * insure only one NAPI poll instance runs.  We also make
+ * sure there is no pending NAPI disable.
  */
 static inline int napi_schedule_prep(struct napi_struct *n)
 {
-	return !test_and_set_bit(NAPI_STATE_SCHED, &n->state);
+	return !napi_disable_pending(n) &&
+		!test_and_set_bit(NAPI_STATE_SCHED, &n->state);
 }
 
 /**
@@ -375,9 +382,11 @@ static inline void __napi_complete(struct napi_struct *n)
 
 static inline void napi_complete(struct napi_struct *n)
 {
-	local_irq_disable();
+	unsigned long flags;
+
+	local_irq_save(flags);
 	__napi_complete(n);
-	local_irq_enable();
+	local_irq_restore(flags);
 }
 
 /**
@@ -389,8 +398,10 @@ static inline void napi_complete(struct napi_struct *n)
  */
 static inline void napi_disable(struct napi_struct *n)
 {
+	set_bit(NAPI_STATE_DISABLE, &n->state);
 	while (test_and_set_bit(NAPI_STATE_SCHED, &n->state))
-		msleep_interruptible(1);
+		msleep(1);
+	clear_bit(NAPI_STATE_DISABLE, &n->state);
 }
 
 /**
@@ -425,6 +436,21 @@ static inline void napi_synchronize(const struct napi_struct *n)
 # define napi_synchronize(n)	barrier()
 #endif
 
+enum netdev_queue_state_t
+{
+	__QUEUE_STATE_XOFF,
+	__QUEUE_STATE_FROZEN,
+};
+
+struct netdev_queue {
+	struct net_device	*dev;
+	struct Qdisc		*qdisc;
+	unsigned long		state;
+	spinlock_t		_xmit_lock;
+	int			xmit_lock_owner;
+	struct Qdisc		*qdisc_sleeping;
+} ____cacheline_aligned_in_smp;
+
 /*
  *	The DEVICE structure.
  *	Actually, this whole structure is a big mistake.  It mixes I/O
@@ -446,6 +472,8 @@ struct net_device
 	char			name[IFNAMSIZ];
 	/* device name hash chain */
 	struct hlist_node	name_hlist;
+	/* snmp alias */
+	char 			*ifalias;
 
 	/*
 	 *	I/O specific fields
@@ -493,7 +521,6 @@ struct net_device
 #define NETIF_F_LLTX		4096	/* LockLess TX - deprecated. Please */
 					/* do not use LLTX in new drivers */
 #define NETIF_F_NETNS_LOCAL	8192	/* Does not change network namespaces */
-#define NETIF_F_MULTI_QUEUE	16384	/* Has multiple TX/RX queues */
 #define NETIF_F_LRO		32768	/* large receive offload */
 
 	/* Segmentation offload features */
@@ -514,7 +541,13 @@ struct net_device
 #define NETIF_F_V6_CSUM		(NETIF_F_GEN_CSUM | NETIF_F_IPV6_CSUM)
 #define NETIF_F_ALL_CSUM	(NETIF_F_V4_CSUM | NETIF_F_V6_CSUM)
 
-	struct net_device	*next_sched;
+	/*
+	 * If one device supports one of these features, then enable them
+	 * for all in netdev_increment_features.
+	 */
+#define NETIF_F_ONE_FOR_ALL	(NETIF_F_GSO_SOFTWARE | NETIF_F_GSO_ROBUST | \
+				 NETIF_F_SG | NETIF_F_HIGHDMA | \
+				 NETIF_F_FRAGLIST)
 
 	/* Interface index. Unique device identifier	*/
 	int			ifindex;
@@ -555,6 +588,13 @@ struct net_device
 	unsigned short		type;	/* interface hardware type	*/
 	unsigned short		hard_header_len;	/* hardware hdr length	*/
 
+	/* extra head- and tailroom the hardware may need, but not in all cases
+	 * can this be guaranteed, especially tailroom. Some cases also use
+	 * LL_MAX_HEADER instead to allocate the skb.
+	 */
+	unsigned short		needed_headroom;
+	unsigned short		needed_tailroom;
+
 	struct net_device	*master; /* Pointer to master device of a group,
 					  * which this device is member of.
 					  */
@@ -564,17 +604,21 @@ struct net_device
 	unsigned char		addr_len;	/* hardware address length	*/
 	unsigned short          dev_id;		/* for shared network cards */
 
+	spinlock_t		addr_list_lock;
 	struct dev_addr_list	*uc_list;	/* Secondary unicast mac addresses */
 	int			uc_count;	/* Number of installed ucasts	*/
 	int			uc_promisc;
 	struct dev_addr_list	*mc_list;	/* Multicast mac addresses	*/
 	int			mc_count;	/* Number of installed mcasts	*/
-	int			promiscuity;
-	int			allmulti;
+	unsigned int		promiscuity;
+	unsigned int		allmulti;
 
 
 	/* Protocol specific pointers */
 	
+#ifdef CONFIG_NET_DSA
+	void			*dsa_ptr;	/* dsa specific data */
+#endif
 	void 			*atalk_ptr;	/* AppleTalk link 	*/
 	void			*ip_ptr;	/* IPv4 specific data	*/  
 	void                    *dn_ptr;        /* DECnet specific data */
@@ -594,32 +638,21 @@ struct net_device
 
 	unsigned char		broadcast[MAX_ADDR_LEN];	/* hw bcast add	*/
 
-/*
- * Cache line mostly used on queue transmit path (qdisc)
- */
-	/* device queue lock */
-	spinlock_t		queue_lock ____cacheline_aligned_in_smp;
-	struct Qdisc		*qdisc;
-	struct Qdisc		*qdisc_sleeping;
-	struct list_head	qdisc_list;
-	unsigned long		tx_queue_len;	/* Max frames per queue allowed */
+	struct netdev_queue	rx_queue;
+
+	struct netdev_queue	*_tx ____cacheline_aligned_in_smp;
 
-	/* Partially transmitted GSO packet. */
-	struct sk_buff		*gso_skb;
+	/* Number of TX queues allocated at alloc_netdev_mq() time  */
+	unsigned int		num_tx_queues;
 
-	/* ingress path synchronizer */
-	spinlock_t		ingress_lock;
-	struct Qdisc		*qdisc_ingress;
+	/* Number of TX queues currently active in device  */
+	unsigned int		real_num_tx_queues;
 
+	unsigned long		tx_queue_len;	/* Max frames per queue allowed */
+	spinlock_t		tx_global_lock;
 /*
  * One part is mostly used on xmit path (device)
  */
-	/* hard_start_xmit synchronizer */
-	spinlock_t		_xmit_lock ____cacheline_aligned_in_smp;
-	/* cpu id of processor entered to hard_start_xmit or -1,
-	   if nobody entered there.
-	 */
-	int			xmit_lock_owner;
 	void			*priv;	/* pointer to private data	*/
 	int			(*hard_start_xmit) (struct sk_buff *skb,
 						    struct net_device *dev);
@@ -669,6 +702,8 @@ struct net_device
 #define HAVE_SET_MAC_ADDR  		 
 	int			(*set_mac_address)(struct net_device *dev,
 						   void *addr);
+#define HAVE_VALIDATE_ADDR
+	int			(*validate_addr)(struct net_device *dev);
 #define HAVE_PRIVATE_IOCTL
 	int			(*do_ioctl)(struct net_device *dev,
 					    struct ifreq *ifr, int cmd);
@@ -696,13 +731,23 @@ struct net_device
 	void                    (*poll_controller)(struct net_device *dev);
 #endif
 
+	u16			(*select_queue)(struct net_device *dev,
+						struct sk_buff *skb);
+
+#ifdef CONFIG_NET_NS
 	/* Network namespace this network device is inside */
 	struct net		*nd_net;
+#endif
+
+	/* mid-layer private */
+	void			*ml_priv;
 
 	/* bridge stuff */
 	struct net_bridge_port	*br_port;
 	/* macvlan */
 	struct macvlan_port	*macvlan_port;
+	/* GARP */
+	struct garp_port	*garp_port;
 
 	/* class/net/name entry */
 	struct device		dev;
@@ -712,15 +757,79 @@ struct net_device
 	/* rtnetlink link ops */
 	const struct rtnl_link_ops *rtnl_link_ops;
 
-	/* The TX queue control structures */
-	unsigned int			egress_subqueue_count;
-	struct net_device_subqueue	egress_subqueue[1];
+	/* VLAN feature mask */
+	unsigned long vlan_features;
+
+	/* for setting kernel sock attribute on TCP connection setup */
+#define GSO_MAX_SIZE		65536
+	unsigned int		gso_max_size;
 };
 #define to_net_dev(d) container_of(d, struct net_device, dev)
 
 #define	NETDEV_ALIGN		32
 #define	NETDEV_ALIGN_CONST	(NETDEV_ALIGN - 1)
 
+static inline
+struct netdev_queue *netdev_get_tx_queue(const struct net_device *dev,
+					 unsigned int index)
+{
+	return &dev->_tx[index];
+}
+
+static inline void netdev_for_each_tx_queue(struct net_device *dev,
+					    void (*f)(struct net_device *,
+						      struct netdev_queue *,
+						      void *),
+					    void *arg)
+{
+	unsigned int i;
+
+	for (i = 0; i < dev->num_tx_queues; i++)
+		f(dev, &dev->_tx[i], arg);
+}
+
+/*
+ * Net namespace inlines
+ */
+static inline
+struct net *dev_net(const struct net_device *dev)
+{
+#ifdef CONFIG_NET_NS
+	return dev->nd_net;
+#else
+	return &init_net;
+#endif
+}
+
+static inline
+void dev_net_set(struct net_device *dev, struct net *net)
+{
+#ifdef CONFIG_NET_NS
+	release_net(dev->nd_net);
+	dev->nd_net = hold_net(net);
+#endif
+}
+
+static inline bool netdev_uses_dsa_tags(struct net_device *dev)
+{
+#ifdef CONFIG_NET_DSA_TAG_DSA
+	if (dev->dsa_ptr != NULL)
+		return dsa_uses_dsa_tags(dev->dsa_ptr);
+#endif
+
+	return 0;
+}
+
+static inline bool netdev_uses_trailer_tags(struct net_device *dev)
+{
+#ifdef CONFIG_NET_DSA_TAG_TRAILER
+	if (dev->dsa_ptr != NULL)
+		return dsa_uses_trailer_tags(dev->dsa_ptr);
+#endif
+
+	return 0;
+}
+
 /**
  *	netdev_priv - access network device private data
  *	@dev: network device
@@ -729,7 +838,9 @@ struct net_device
  */
 static inline void *netdev_priv(const struct net_device *dev)
 {
-	return dev->priv;
+	return (char *)dev + ((sizeof(struct net_device)
+			       + NETDEV_ALIGN_CONST)
+			      & ~NETDEV_ALIGN_CONST);
 }
 
 /* Set the sysfs physical device reference for the network logical device
@@ -737,6 +848,16 @@ static inline void *netdev_priv(const struct net_device *dev)
  */
 #define SET_NETDEV_DEV(net, pdev)	((net)->dev.parent = (pdev))
 
+/**
+ *	netif_napi_add - initialize a napi context
+ *	@dev:  network device
+ *	@napi: napi context
+ *	@poll: polling function
+ *	@weight: default weight
+ *
+ * netif_napi_add() must be used to initialize a napi context prior to calling
+ * *any* of the other napi related functions.
+ */
 static inline void netif_napi_add(struct net_device *dev,
 				  struct napi_struct *napi,
 				  int (*poll)(struct napi_struct *, int),
@@ -754,6 +875,19 @@ static inline void netif_napi_add(struct net_device *dev,
 	set_bit(NAPI_STATE_SCHED, &napi->state);
 }
 
+/**
+ *  netif_napi_del - remove a napi context
+ *  @napi: napi context
+ *
+ *  netif_napi_del() removes a napi context from the network device napi list
+ */
+static inline void netif_napi_del(struct napi_struct *napi)
+{
+#ifdef CONFIG_NETPOLL
+	list_del(&napi->dev_list);
+#endif
+}
+
 struct packet_type {
 	__be16			type;	/* This is really htons(ether_type). */
 	struct net_device	*dev;	/* NULL is wildcarded here	     */
@@ -787,7 +921,7 @@ static inline struct net_device *next_net_device(struct net_device *dev)
 	struct list_head *lh;
 	struct net *net;
 
-	net = dev->nd_net;
+	net = dev_net(dev);
 	lh = dev->dev_list.next;
 	return lh == &net->dev_base_head ? NULL : net_device_entry(lh);
 }
@@ -814,6 +948,7 @@ extern struct net_device	*__dev_get_by_name(struct net *net, const char *name);
 extern int		dev_alloc_name(struct net_device *dev, const char *name);
 extern int		dev_open(struct net_device *dev);
 extern int		dev_close(struct net_device *dev);
+extern void		dev_disable_lro(struct net_device *dev);
 extern int		dev_queue_xmit(struct sk_buff *skb);
 extern int		register_netdevice(struct net_device *dev);
 extern void		unregister_netdevice(struct net_device *dev);
@@ -834,7 +969,7 @@ static inline int dev_hard_header(struct sk_buff *skb, struct net_device *dev,
 				  const void *daddr, const void *saddr,
 				  unsigned len)
 {
-	if (!dev->header_ops)
+	if (!dev->header_ops || !dev->header_ops->create)
 		return 0;
 
 	return dev->header_ops->create(skb, dev, type, daddr, saddr, len);
@@ -863,7 +998,7 @@ static inline int unregister_gifconf(unsigned int family)
  */
 struct softnet_data
 {
-	struct net_device	*output_queue;
+	struct Qdisc		*output_queue;
 	struct sk_buff_head	input_pkt_queue;
 	struct list_head	poll_list;
 	struct sk_buff		*completion_queue;
@@ -878,12 +1013,25 @@ DECLARE_PER_CPU(struct softnet_data,softnet_data);
 
 #define HAVE_NETIF_QUEUE
 
-extern void __netif_schedule(struct net_device *dev);
+extern void __netif_schedule(struct Qdisc *q);
+
+static inline void netif_schedule_queue(struct netdev_queue *txq)
+{
+	if (!test_bit(__QUEUE_STATE_XOFF, &txq->state))
+		__netif_schedule(txq->qdisc);
+}
 
-static inline void netif_schedule(struct net_device *dev)
+static inline void netif_tx_schedule_all(struct net_device *dev)
 {
-	if (!test_bit(__LINK_STATE_XOFF, &dev->state))
-		__netif_schedule(dev);
+	unsigned int i;
+
+	for (i = 0; i < dev->num_tx_queues; i++)
+		netif_schedule_queue(netdev_get_tx_queue(dev, i));
+}
+
+static inline void netif_tx_start_queue(struct netdev_queue *dev_queue)
+{
+	clear_bit(__QUEUE_STATE_XOFF, &dev_queue->state);
 }
 
 /**
@@ -894,7 +1042,29 @@ static inline void netif_schedule(struct net_device *dev)
  */
 static inline void netif_start_queue(struct net_device *dev)
 {
-	clear_bit(__LINK_STATE_XOFF, &dev->state);
+	netif_tx_start_queue(netdev_get_tx_queue(dev, 0));
+}
+
+static inline void netif_tx_start_all_queues(struct net_device *dev)
+{
+	unsigned int i;
+
+	for (i = 0; i < dev->num_tx_queues; i++) {
+		struct netdev_queue *txq = netdev_get_tx_queue(dev, i);
+		netif_tx_start_queue(txq);
+	}
+}
+
+static inline void netif_tx_wake_queue(struct netdev_queue *dev_queue)
+{
+#ifdef CONFIG_NETPOLL_TRAP
+	if (netpoll_trap()) {
+		clear_bit(__QUEUE_STATE_XOFF, &dev_queue->state);
+		return;
+	}
+#endif
+	if (test_and_clear_bit(__QUEUE_STATE_XOFF, &dev_queue->state))
+		__netif_schedule(dev_queue->qdisc);
 }
 
 /**
@@ -906,14 +1076,22 @@ static inline void netif_start_queue(struct net_device *dev)
  */
 static inline void netif_wake_queue(struct net_device *dev)
 {
-#ifdef CONFIG_NETPOLL_TRAP
-	if (netpoll_trap()) {
-		clear_bit(__LINK_STATE_XOFF, &dev->state);
-		return;
+	netif_tx_wake_queue(netdev_get_tx_queue(dev, 0));
+}
+
+static inline void netif_tx_wake_all_queues(struct net_device *dev)
+{
+	unsigned int i;
+
+	for (i = 0; i < dev->num_tx_queues; i++) {
+		struct netdev_queue *txq = netdev_get_tx_queue(dev, i);
+		netif_tx_wake_queue(txq);
 	}
-#endif
-	if (test_and_clear_bit(__LINK_STATE_XOFF, &dev->state))
-		__netif_schedule(dev);
+}
+
+static inline void netif_tx_stop_queue(struct netdev_queue *dev_queue)
+{
+	set_bit(__QUEUE_STATE_XOFF, &dev_queue->state);
 }
 
 /**
@@ -925,7 +1103,22 @@ static inline void netif_wake_queue(struct net_device *dev)
  */
 static inline void netif_stop_queue(struct net_device *dev)
 {
-	set_bit(__LINK_STATE_XOFF, &dev->state);
+	netif_tx_stop_queue(netdev_get_tx_queue(dev, 0));
+}
+
+static inline void netif_tx_stop_all_queues(struct net_device *dev)
+{
+	unsigned int i;
+
+	for (i = 0; i < dev->num_tx_queues; i++) {
+		struct netdev_queue *txq = netdev_get_tx_queue(dev, i);
+		netif_tx_stop_queue(txq);
+	}
+}
+
+static inline int netif_tx_queue_stopped(const struct netdev_queue *dev_queue)
+{
+	return test_bit(__QUEUE_STATE_XOFF, &dev_queue->state);
 }
 
 /**
@@ -936,7 +1129,12 @@ static inline void netif_stop_queue(struct net_device *dev)
  */
 static inline int netif_queue_stopped(const struct net_device *dev)
 {
-	return test_bit(__LINK_STATE_XOFF, &dev->state);
+	return netif_tx_queue_stopped(netdev_get_tx_queue(dev, 0));
+}
+
+static inline int netif_tx_queue_frozen(const struct netdev_queue *dev_queue)
+{
+	return test_bit(__QUEUE_STATE_FROZEN, &dev_queue->state);
 }
 
 /**
@@ -966,9 +1164,8 @@ static inline int netif_running(const struct net_device *dev)
  */
 static inline void netif_start_subqueue(struct net_device *dev, u16 queue_index)
 {
-#ifdef CONFIG_NETDEVICES_MULTIQUEUE
-	clear_bit(__LINK_STATE_XOFF, &dev->egress_subqueue[queue_index].state);
-#endif
+	struct netdev_queue *txq = netdev_get_tx_queue(dev, queue_index);
+	clear_bit(__QUEUE_STATE_XOFF, &txq->state);
 }
 
 /**
@@ -980,13 +1177,12 @@ static inline void netif_start_subqueue(struct net_device *dev, u16 queue_index)
  */
 static inline void netif_stop_subqueue(struct net_device *dev, u16 queue_index)
 {
-#ifdef CONFIG_NETDEVICES_MULTIQUEUE
+	struct netdev_queue *txq = netdev_get_tx_queue(dev, queue_index);
 #ifdef CONFIG_NETPOLL_TRAP
 	if (netpoll_trap())
 		return;
 #endif
-	set_bit(__LINK_STATE_XOFF, &dev->egress_subqueue[queue_index].state);
-#endif
+	set_bit(__QUEUE_STATE_XOFF, &txq->state);
 }
 
 /**
@@ -996,17 +1192,18 @@ static inline void netif_stop_subqueue(struct net_device *dev, u16 queue_index)
  *
  * Check individual transmit queue of a device with multiple transmit queues.
  */
-static inline int netif_subqueue_stopped(const struct net_device *dev,
+static inline int __netif_subqueue_stopped(const struct net_device *dev,
 					 u16 queue_index)
 {
-#ifdef CONFIG_NETDEVICES_MULTIQUEUE
-	return test_bit(__LINK_STATE_XOFF,
-			&dev->egress_subqueue[queue_index].state);
-#else
-	return 0;
-#endif
+	struct netdev_queue *txq = netdev_get_tx_queue(dev, queue_index);
+	return test_bit(__QUEUE_STATE_XOFF, &txq->state);
 }
 
+static inline int netif_subqueue_stopped(const struct net_device *dev,
+					 struct sk_buff *skb)
+{
+	return __netif_subqueue_stopped(dev, skb_get_queue_mapping(skb));
+}
 
 /**
  *	netif_wake_subqueue - allow sending packets on subqueue
@@ -1017,15 +1214,13 @@ static inline int netif_subqueue_stopped(const struct net_device *dev,
  */
 static inline void netif_wake_subqueue(struct net_device *dev, u16 queue_index)
 {
-#ifdef CONFIG_NETDEVICES_MULTIQUEUE
+	struct netdev_queue *txq = netdev_get_tx_queue(dev, queue_index);
 #ifdef CONFIG_NETPOLL_TRAP
 	if (netpoll_trap())
 		return;
 #endif
-	if (test_and_clear_bit(__LINK_STATE_XOFF,
-			       &dev->egress_subqueue[queue_index].state))
-		__netif_schedule(dev);
-#endif
+	if (test_and_clear_bit(__QUEUE_STATE_XOFF, &txq->state))
+		__netif_schedule(txq->qdisc);
 }
 
 /**
@@ -1033,24 +1228,21 @@ static inline void netif_wake_subqueue(struct net_device *dev, u16 queue_index)
  *	@dev: network device
  *
  * Check if device has multiple transmit queues
- * Always falls if NETDEVICE_MULTIQUEUE is not configured
  */
 static inline int netif_is_multiqueue(const struct net_device *dev)
 {
-#ifdef CONFIG_NETDEVICES_MULTIQUEUE
-	return (!!(NETIF_F_MULTI_QUEUE & dev->features));
-#else
-	return 0;
-#endif
+	return (dev->num_tx_queues > 1);
 }
 
 /* Use this variant when it is known for sure that it
- * is executing from interrupt context.
+ * is executing from hardware interrupt context or with hardware interrupts
+ * disabled.
  */
 extern void dev_kfree_skb_irq(struct sk_buff *skb);
 
 /* Use this variant in places where it could be invoked
- * either from interrupt or non-interrupt context.
+ * from either hardware interrupt or other context, with hardware interrupts
+ * either disabled or enabled.
  */
 extern void dev_kfree_skb_any(struct sk_buff *skb);
 
@@ -1059,19 +1251,22 @@ extern int		netif_rx(struct sk_buff *skb);
 extern int		netif_rx_ni(struct sk_buff *skb);
 #define HAVE_NETIF_RECEIVE_SKB 1
 extern int		netif_receive_skb(struct sk_buff *skb);
+extern void		netif_nit_deliver(struct sk_buff *skb);
 extern int		dev_valid_name(const char *name);
 extern int		dev_ioctl(struct net *net, unsigned int cmd, void __user *);
 extern int		dev_ethtool(struct net *net, struct ifreq *);
 extern unsigned		dev_get_flags(const struct net_device *);
 extern int		dev_change_flags(struct net_device *, unsigned);
-extern int		dev_change_name(struct net_device *, char *);
+extern int		dev_change_name(struct net_device *, const char *);
+extern int		dev_set_alias(struct net_device *, const char *, size_t);
 extern int		dev_change_net_namespace(struct net_device *,
 						 struct net *, const char *);
 extern int		dev_set_mtu(struct net_device *, int);
 extern int		dev_set_mac_address(struct net_device *,
 					    struct sockaddr *);
 extern int		dev_hard_start_xmit(struct sk_buff *skb,
-					    struct net_device *dev);
+					    struct net_device *dev,
+					    struct netdev_queue *txq);
 
 extern int		netdev_budget;
 
@@ -1251,7 +1446,7 @@ static inline u32 netif_msg_init(int debug_value, int default_msg_enable_bits)
 static inline int netif_rx_schedule_prep(struct net_device *dev,
 					 struct napi_struct *napi)
 {
-	return netif_running(dev) && napi_schedule_prep(napi);
+	return napi_schedule_prep(napi);
 }
 
 /* Add interface to tail of rx poll list. This assumes that _prep has
@@ -1260,7 +1455,6 @@ static inline int netif_rx_schedule_prep(struct net_device *dev,
 static inline void __netif_rx_schedule(struct net_device *dev,
 				       struct napi_struct *napi)
 {
-	dev_hold(dev);
 	__napi_schedule(napi);
 }
 
@@ -1291,7 +1485,6 @@ static inline void __netif_rx_complete(struct net_device *dev,
 				       struct napi_struct *napi)
 {
 	__napi_complete(napi);
-	dev_put(dev);
 }
 
 /* Remove interface from poll list: it must be in the poll list
@@ -1309,67 +1502,143 @@ static inline void netif_rx_complete(struct net_device *dev,
 	local_irq_restore(flags);
 }
 
+static inline void __netif_tx_lock(struct netdev_queue *txq, int cpu)
+{
+	spin_lock(&txq->_xmit_lock);
+	txq->xmit_lock_owner = cpu;
+}
+
+static inline void __netif_tx_lock_bh(struct netdev_queue *txq)
+{
+	spin_lock_bh(&txq->_xmit_lock);
+	txq->xmit_lock_owner = smp_processor_id();
+}
+
+static inline int __netif_tx_trylock(struct netdev_queue *txq)
+{
+	int ok = spin_trylock(&txq->_xmit_lock);
+	if (likely(ok))
+		txq->xmit_lock_owner = smp_processor_id();
+	return ok;
+}
+
+static inline void __netif_tx_unlock(struct netdev_queue *txq)
+{
+	txq->xmit_lock_owner = -1;
+	spin_unlock(&txq->_xmit_lock);
+}
+
+static inline void __netif_tx_unlock_bh(struct netdev_queue *txq)
+{
+	txq->xmit_lock_owner = -1;
+	spin_unlock_bh(&txq->_xmit_lock);
+}
+
 /**
  *	netif_tx_lock - grab network device transmit lock
  *	@dev: network device
- *	@cpu: cpu number of lock owner
  *
  * Get network device transmit lock
  */
-static inline void __netif_tx_lock(struct net_device *dev, int cpu)
-{
-	spin_lock(&dev->_xmit_lock);
-	dev->xmit_lock_owner = cpu;
-}
-
 static inline void netif_tx_lock(struct net_device *dev)
 {
-	__netif_tx_lock(dev, smp_processor_id());
+	unsigned int i;
+	int cpu;
+
+	spin_lock(&dev->tx_global_lock);
+	cpu = smp_processor_id();
+	for (i = 0; i < dev->num_tx_queues; i++) {
+		struct netdev_queue *txq = netdev_get_tx_queue(dev, i);
+
+		/* We are the only thread of execution doing a
+		 * freeze, but we have to grab the _xmit_lock in
+		 * order to synchronize with threads which are in
+		 * the ->hard_start_xmit() handler and already
+		 * checked the frozen bit.
+		 */
+		__netif_tx_lock(txq, cpu);
+		set_bit(__QUEUE_STATE_FROZEN, &txq->state);
+		__netif_tx_unlock(txq);
+	}
 }
 
 static inline void netif_tx_lock_bh(struct net_device *dev)
 {
-	spin_lock_bh(&dev->_xmit_lock);
-	dev->xmit_lock_owner = smp_processor_id();
-}
-
-static inline int netif_tx_trylock(struct net_device *dev)
-{
-	int ok = spin_trylock(&dev->_xmit_lock);
-	if (likely(ok))
-		dev->xmit_lock_owner = smp_processor_id();
-	return ok;
+	local_bh_disable();
+	netif_tx_lock(dev);
 }
 
 static inline void netif_tx_unlock(struct net_device *dev)
 {
-	dev->xmit_lock_owner = -1;
-	spin_unlock(&dev->_xmit_lock);
+	unsigned int i;
+
+	for (i = 0; i < dev->num_tx_queues; i++) {
+		struct netdev_queue *txq = netdev_get_tx_queue(dev, i);
+
+		/* No need to grab the _xmit_lock here.  If the
+		 * queue is not stopped for another reason, we
+		 * force a schedule.
+		 */
+		clear_bit(__QUEUE_STATE_FROZEN, &txq->state);
+		if (!test_bit(__QUEUE_STATE_XOFF, &txq->state))
+			__netif_schedule(txq->qdisc);
+	}
+	spin_unlock(&dev->tx_global_lock);
 }
 
 static inline void netif_tx_unlock_bh(struct net_device *dev)
 {
-	dev->xmit_lock_owner = -1;
-	spin_unlock_bh(&dev->_xmit_lock);
+	netif_tx_unlock(dev);
+	local_bh_enable();
 }
 
-#define HARD_TX_LOCK(dev, cpu) {			\
+#define HARD_TX_LOCK(dev, txq, cpu) {			\
 	if ((dev->features & NETIF_F_LLTX) == 0) {	\
-		__netif_tx_lock(dev, cpu);			\
+		__netif_tx_lock(txq, cpu);		\
 	}						\
 }
 
-#define HARD_TX_UNLOCK(dev) {				\
+#define HARD_TX_UNLOCK(dev, txq) {			\
 	if ((dev->features & NETIF_F_LLTX) == 0) {	\
-		netif_tx_unlock(dev);			\
+		__netif_tx_unlock(txq);			\
 	}						\
 }
 
 static inline void netif_tx_disable(struct net_device *dev)
 {
-	netif_tx_lock_bh(dev);
-	netif_stop_queue(dev);
-	netif_tx_unlock_bh(dev);
+	unsigned int i;
+	int cpu;
+
+	local_bh_disable();
+	cpu = smp_processor_id();
+	for (i = 0; i < dev->num_tx_queues; i++) {
+		struct netdev_queue *txq = netdev_get_tx_queue(dev, i);
+
+		__netif_tx_lock(txq, cpu);
+		netif_tx_stop_queue(txq);
+		__netif_tx_unlock(txq);
+	}
+	local_bh_enable();
+}
+
+static inline void netif_addr_lock(struct net_device *dev)
+{
+	spin_lock(&dev->addr_list_lock);
+}
+
+static inline void netif_addr_lock_bh(struct net_device *dev)
+{
+	spin_lock_bh(&dev->addr_list_lock);
+}
+
+static inline void netif_addr_unlock(struct net_device *dev)
+{
+	spin_unlock(&dev->addr_list_lock);
+}
+
+static inline void netif_addr_unlock_bh(struct net_device *dev)
+{
+	spin_unlock_bh(&dev->addr_list_lock);
 }
 
 /* These functions live elsewhere (drivers/net/net_init.c, but related) */
@@ -1389,15 +1658,20 @@ extern void		dev_set_rx_mode(struct net_device *dev);
 extern void		__dev_set_rx_mode(struct net_device *dev);
 extern int		dev_unicast_delete(struct net_device *dev, void *addr, int alen);
 extern int		dev_unicast_add(struct net_device *dev, void *addr, int alen);
+extern int		dev_unicast_sync(struct net_device *to, struct net_device *from);
+extern void		dev_unicast_unsync(struct net_device *to, struct net_device *from);
 extern int 		dev_mc_delete(struct net_device *dev, void *addr, int alen, int all);
 extern int		dev_mc_add(struct net_device *dev, void *addr, int alen, int newonly);
 extern int		dev_mc_sync(struct net_device *to, struct net_device *from);
 extern void		dev_mc_unsync(struct net_device *to, struct net_device *from);
 extern int 		__dev_addr_delete(struct dev_addr_list **list, int *count, void *addr, int alen, int all);
 extern int		__dev_addr_add(struct dev_addr_list **list, int *count, void *addr, int alen, int newonly);
-extern void		dev_set_promiscuity(struct net_device *dev, int inc);
-extern void		dev_set_allmulti(struct net_device *dev, int inc);
+extern int		__dev_addr_sync(struct dev_addr_list **to, int *to_count, struct dev_addr_list **from, int *from_count);
+extern void		__dev_addr_unsync(struct dev_addr_list **to, int *to_count, struct dev_addr_list **from, int *from_count);
+extern int		dev_set_promiscuity(struct net_device *dev, int inc);
+extern int		dev_set_allmulti(struct net_device *dev, int inc);
 extern void		netdev_state_change(struct net_device *dev);
+extern void		netdev_bonding_change(struct net_device *dev);
 extern void		netdev_features_change(struct net_device *dev);
 /* Load a device via the kmod */
 extern void		dev_load(struct net *net, const char *name);
@@ -1424,9 +1698,16 @@ extern void *dev_seq_next(struct seq_file *seq, void *v, loff_t *pos);
 extern void dev_seq_stop(struct seq_file *seq, void *v);
 #endif
 
+extern int netdev_class_create_file(struct class_attribute *class_attr);
+extern void netdev_class_remove_file(struct class_attribute *class_attr);
+
+extern char *netdev_drivername(const struct net_device *dev, char *buffer, int len);
+
 extern void linkwatch_run_queue(void);
 
-extern int netdev_compute_features(unsigned long all, unsigned long one);
+unsigned long netdev_increment_features(unsigned long all, unsigned long one,
+					unsigned long mask);
+unsigned long netdev_fix_features(unsigned long features, const char *name);
 
 static inline int net_gso_ok(int features, int gso_type)
 {
@@ -1446,6 +1727,12 @@ static inline int netif_needs_gso(struct net_device *dev, struct sk_buff *skb)
 		unlikely(skb->ip_summed != CHECKSUM_PARTIAL));
 }
 
+static inline void netif_set_gso_max_size(struct net_device *dev,
+					  unsigned int size)
+{
+	dev->gso_max_size = size;
+}
+
 /* On bonding slaves other than the currently active slave, suppress
  * duplicates except for 802.3ad ETH_P_SLOW, alb non-mcast/bcast, and
  * ARP on active-backup slaves with arp_validate enabled.