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-rw-r--r--include/linux/netdevice.h70
1 files changed, 40 insertions, 30 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 812a5f3c2abe..465add6c43e3 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -125,8 +125,7 @@ typedef enum netdev_tx netdev_tx_t;
* with byte counters.
*/
-struct net_device_stats
-{
+struct net_device_stats {
unsigned long rx_packets; /* total packets received */
unsigned long tx_packets; /* total packets transmitted */
unsigned long rx_bytes; /* total bytes received */
@@ -179,8 +178,7 @@ struct neighbour;
struct neigh_parms;
struct sk_buff;
-struct netif_rx_stats
-{
+struct netif_rx_stats {
unsigned total;
unsigned dropped;
unsigned time_squeeze;
@@ -189,8 +187,7 @@ struct netif_rx_stats
DECLARE_PER_CPU(struct netif_rx_stats, netdev_rx_stat);
-struct dev_addr_list
-{
+struct dev_addr_list {
struct dev_addr_list *next;
u8 da_addr[MAX_ADDR_LEN];
u8 da_addrlen;
@@ -227,8 +224,7 @@ struct netdev_hw_addr_list {
int count;
};
-struct hh_cache
-{
+struct hh_cache {
struct hh_cache *hh_next; /* Next entry */
atomic_t hh_refcnt; /* number of users */
/*
@@ -291,8 +287,7 @@ struct header_ops {
* code.
*/
-enum netdev_state_t
-{
+enum netdev_state_t {
__LINK_STATE_START,
__LINK_STATE_PRESENT,
__LINK_STATE_NOCARRIER,
@@ -341,20 +336,20 @@ struct napi_struct {
struct sk_buff *skb;
};
-enum
-{
+enum {
NAPI_STATE_SCHED, /* Poll is scheduled */
NAPI_STATE_DISABLE, /* Disable pending */
NAPI_STATE_NPSVC, /* Netpoll - don't dequeue from poll_list */
};
-enum {
+enum gro_result {
GRO_MERGED,
GRO_MERGED_FREE,
GRO_HELD,
GRO_NORMAL,
GRO_DROP,
};
+typedef enum gro_result gro_result_t;
extern void __napi_schedule(struct napi_struct *n);
@@ -457,8 +452,7 @@ static inline void napi_synchronize(const struct napi_struct *n)
# define napi_synchronize(n) barrier()
#endif
-enum netdev_queue_state_t
-{
+enum netdev_queue_state_t {
__QUEUE_STATE_XOFF,
__QUEUE_STATE_FROZEN,
};
@@ -635,6 +629,10 @@ struct net_device_ops {
unsigned int sgc);
int (*ndo_fcoe_ddp_done)(struct net_device *dev,
u16 xid);
+#define NETDEV_FCOE_WWNN 0
+#define NETDEV_FCOE_WWPN 1
+ int (*ndo_fcoe_get_wwn)(struct net_device *dev,
+ u64 *wwn, int type);
#endif
};
@@ -648,8 +646,7 @@ struct net_device_ops {
* moves out.
*/
-struct net_device
-{
+struct net_device {
/*
* This is the first field of the "visible" part of this structure
@@ -683,6 +680,7 @@ struct net_device
struct list_head dev_list;
struct list_head napi_list;
+ struct list_head unreg_list;
/* Net device features */
unsigned long features;
@@ -894,8 +892,8 @@ struct net_device
/* class/net/name entry */
struct device dev;
- /* space for optional statistics and wireless sysfs groups */
- const struct attribute_group *sysfs_groups[3];
+ /* space for optional device, statistics, and wireless sysfs groups */
+ const struct attribute_group *sysfs_groups[4];
/* rtnetlink link ops */
const struct rtnl_link_ops *rtnl_link_ops;
@@ -909,7 +907,7 @@ struct net_device
#ifdef CONFIG_DCB
/* Data Center Bridging netlink ops */
- struct dcbnl_rtnl_ops *dcbnl_ops;
+ const struct dcbnl_rtnl_ops *dcbnl_ops;
#endif
#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
@@ -1075,6 +1073,8 @@ extern rwlock_t dev_base_lock; /* Device list lock */
#define for_each_netdev(net, d) \
list_for_each_entry(d, &(net)->dev_base_head, dev_list)
+#define for_each_netdev_rcu(net, d) \
+ list_for_each_entry_rcu(d, &(net)->dev_base_head, dev_list)
#define for_each_netdev_safe(net, d, n) \
list_for_each_entry_safe(d, n, &(net)->dev_base_head, dev_list)
#define for_each_netdev_continue(net, d) \
@@ -1109,6 +1109,7 @@ extern void __dev_remove_pack(struct packet_type *pt);
extern struct net_device *dev_get_by_flags(struct net *net, unsigned short flags,
unsigned short mask);
extern struct net_device *dev_get_by_name(struct net *net, const char *name);
+extern struct net_device *dev_get_by_name_rcu(struct net *net, const char *name);
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);
@@ -1116,7 +1117,14 @@ 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);
+extern void unregister_netdevice_queue(struct net_device *dev,
+ struct list_head *head);
+extern void unregister_netdevice_many(struct list_head *head);
+static inline void unregister_netdevice(struct net_device *dev)
+{
+ unregister_netdevice_queue(dev, NULL);
+}
+
extern void free_netdev(struct net_device *dev);
extern void synchronize_net(void);
extern int register_netdevice_notifier(struct notifier_block *nb);
@@ -1127,6 +1135,7 @@ extern void netdev_resync_ops(struct net_device *dev);
extern int call_netdevice_notifiers(unsigned long val, struct net_device *dev);
extern struct net_device *dev_get_by_index(struct net *net, int ifindex);
extern struct net_device *__dev_get_by_index(struct net *net, int ifindex);
+extern struct net_device *dev_get_by_index_rcu(struct net *net, int ifindex);
extern int dev_restart(struct net_device *dev);
#ifdef CONFIG_NETPOLL_TRAP
extern int netpoll_trap(void);
@@ -1212,8 +1221,7 @@ static inline int unregister_gifconf(unsigned int family)
* Incoming packets are placed on per-cpu queues so that
* no locking is needed.
*/
-struct softnet_data
-{
+struct softnet_data {
struct Qdisc *output_queue;
struct sk_buff_head input_pkt_queue;
struct list_head poll_list;
@@ -1467,18 +1475,19 @@ 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 napi_gro_flush(struct napi_struct *napi);
-extern int dev_gro_receive(struct napi_struct *napi,
+extern gro_result_t dev_gro_receive(struct napi_struct *napi,
struct sk_buff *skb);
-extern int napi_skb_finish(int ret, struct sk_buff *skb);
-extern int napi_gro_receive(struct napi_struct *napi,
+extern gro_result_t napi_skb_finish(gro_result_t ret, struct sk_buff *skb);
+extern gro_result_t napi_gro_receive(struct napi_struct *napi,
struct sk_buff *skb);
extern void napi_reuse_skb(struct napi_struct *napi,
struct sk_buff *skb);
extern struct sk_buff * napi_get_frags(struct napi_struct *napi);
-extern int napi_frags_finish(struct napi_struct *napi,
- struct sk_buff *skb, int ret);
+extern gro_result_t napi_frags_finish(struct napi_struct *napi,
+ struct sk_buff *skb,
+ gro_result_t ret);
extern struct sk_buff * napi_frags_skb(struct napi_struct *napi);
-extern int napi_gro_frags(struct napi_struct *napi);
+extern gro_result_t napi_gro_frags(struct napi_struct *napi);
static inline void napi_free_frags(struct napi_struct *napi)
{
@@ -1609,7 +1618,8 @@ static inline int netif_dormant(const struct net_device *dev)
*
* Check if carrier is operational
*/
-static inline int netif_oper_up(const struct net_device *dev) {
+static inline int netif_oper_up(const struct net_device *dev)
+{
return (dev->operstate == IF_OPER_UP ||
dev->operstate == IF_OPER_UNKNOWN /* backward compat */);
}
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