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Diffstat (limited to 'include/linux/netdevice.h')
-rw-r--r--include/linux/netdevice.h165
1 files changed, 96 insertions, 69 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 2f22119b4b0..d52b570569b 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -54,6 +54,7 @@
struct vlan_group;
struct netpoll_info;
+struct phy_device;
/* 802.11 specific */
struct wireless_dev;
/* source back-compat hooks */
@@ -65,6 +66,11 @@ struct wireless_dev;
#define HAVE_FREE_NETDEV /* free_netdev() */
#define HAVE_NETDEV_PRIV /* netdev_priv() */
+/* hardware address assignment types */
+#define NET_ADDR_PERM 0 /* address is permanent (default) */
+#define NET_ADDR_RANDOM 1 /* address is generated randomly */
+#define NET_ADDR_STOLEN 2 /* address is stolen from other device */
+
/* Backlog congestion levels */
#define NET_RX_SUCCESS 0 /* keep 'em coming, baby */
#define NET_RX_DROP 1 /* packet dropped */
@@ -159,45 +165,39 @@ static inline bool dev_xmit_complete(int rc)
#define MAX_HEADER (LL_MAX_HEADER + 48)
#endif
-#endif /* __KERNEL__ */
-
/*
- * Network device statistics. Akin to the 2.0 ether stats but
- * with byte counters.
+ * Old network device statistics. Fields are native words
+ * (unsigned long) so they can be read and written atomically.
*/
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 */
- unsigned long tx_bytes; /* total bytes transmitted */
- unsigned long rx_errors; /* bad packets received */
- unsigned long tx_errors; /* packet transmit problems */
- unsigned long rx_dropped; /* no space in linux buffers */
- unsigned long tx_dropped; /* no space available in linux */
- unsigned long multicast; /* multicast packets received */
+ unsigned long rx_packets;
+ unsigned long tx_packets;
+ unsigned long rx_bytes;
+ unsigned long tx_bytes;
+ unsigned long rx_errors;
+ unsigned long tx_errors;
+ unsigned long rx_dropped;
+ unsigned long tx_dropped;
+ unsigned long multicast;
unsigned long collisions;
-
- /* detailed rx_errors: */
unsigned long rx_length_errors;
- unsigned long rx_over_errors; /* receiver ring buff overflow */
- unsigned long rx_crc_errors; /* recved pkt with crc error */
- unsigned long rx_frame_errors; /* recv'd frame alignment error */
- unsigned long rx_fifo_errors; /* recv'r fifo overrun */
- unsigned long rx_missed_errors; /* receiver missed packet */
-
- /* detailed tx_errors */
+ unsigned long rx_over_errors;
+ unsigned long rx_crc_errors;
+ unsigned long rx_frame_errors;
+ unsigned long rx_fifo_errors;
+ unsigned long rx_missed_errors;
unsigned long tx_aborted_errors;
unsigned long tx_carrier_errors;
unsigned long tx_fifo_errors;
unsigned long tx_heartbeat_errors;
unsigned long tx_window_errors;
-
- /* for cslip etc */
unsigned long rx_compressed;
unsigned long tx_compressed;
};
+#endif /* __KERNEL__ */
+
/* Media selection options. */
enum {
@@ -381,6 +381,8 @@ enum gro_result {
};
typedef enum gro_result gro_result_t;
+typedef struct sk_buff *rx_handler_func_t(struct sk_buff *skb);
+
extern void __napi_schedule(struct napi_struct *n);
static inline int napi_disable_pending(struct napi_struct *n)
@@ -504,9 +506,9 @@ struct netdev_queue {
* please use this field instead of dev->trans_start
*/
unsigned long trans_start;
- unsigned long tx_bytes;
- unsigned long tx_packets;
- unsigned long tx_dropped;
+ u64 tx_bytes;
+ u64 tx_packets;
+ u64 tx_dropped;
} ____cacheline_aligned_in_smp;
#ifdef CONFIG_RPS
@@ -660,10 +662,19 @@ struct netdev_rx_queue {
* Callback uses when the transmitter has not made any progress
* for dev->watchdog ticks.
*
+ * struct rtnl_link_stats64* (*ndo_get_stats64)(struct net_device *dev,
+ * struct rtnl_link_stats64 *storage);
* struct net_device_stats* (*ndo_get_stats)(struct net_device *dev);
* Called when a user wants to get the network device usage
- * statistics. If not defined, the counters in dev->stats will
- * be used.
+ * statistics. Drivers must do one of the following:
+ * 1. Define @ndo_get_stats64 to fill in a zero-initialised
+ * rtnl_link_stats64 structure passed by the caller.
+ * 2. Define @ndo_get_stats to update a net_device_stats structure
+ * (which should normally be dev->stats) and return a pointer to
+ * it. The structure may be changed asynchronously only if each
+ * field is written atomically.
+ * 3. Update dev->stats asynchronously and atomically, and define
+ * neither operation.
*
* void (*ndo_vlan_rx_register)(struct net_device *dev, struct vlan_group *grp);
* If device support VLAN receive accleration
@@ -718,6 +729,8 @@ struct net_device_ops {
struct neigh_parms *);
void (*ndo_tx_timeout) (struct net_device *dev);
+ struct rtnl_link_stats64* (*ndo_get_stats64)(struct net_device *dev,
+ struct rtnl_link_stats64 *storage);
struct net_device_stats* (*ndo_get_stats)(struct net_device *dev);
void (*ndo_vlan_rx_register)(struct net_device *dev,
@@ -728,6 +741,8 @@ struct net_device_ops {
unsigned short vid);
#ifdef CONFIG_NET_POLL_CONTROLLER
void (*ndo_poll_controller)(struct net_device *dev);
+ int (*ndo_netpoll_setup)(struct net_device *dev,
+ struct netpoll_info *info);
void (*ndo_netpoll_cleanup)(struct net_device *dev);
#endif
int (*ndo_set_vf_mac)(struct net_device *dev,
@@ -847,7 +862,8 @@ struct net_device {
#define NETIF_F_FSO (SKB_GSO_FCOE << NETIF_F_GSO_SHIFT)
/* List of features with software fallbacks. */
-#define NETIF_F_GSO_SOFTWARE (NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6)
+#define NETIF_F_GSO_SOFTWARE (NETIF_F_TSO | NETIF_F_TSO_ECN | \
+ NETIF_F_TSO6 | NETIF_F_UFO)
#define NETIF_F_GEN_CSUM (NETIF_F_NO_CSUM | NETIF_F_HW_CSUM)
@@ -908,6 +924,7 @@ struct net_device {
/* Interface address info. */
unsigned char perm_addr[MAX_ADDR_LEN]; /* permanent hw address */
+ unsigned char addr_assign_type; /* hw address assignment type */
unsigned char addr_len; /* hardware address length */
unsigned short dev_id; /* for shared network cards */
@@ -957,6 +974,8 @@ struct net_device {
#endif
struct netdev_queue rx_queue;
+ rx_handler_func_t *rx_handler;
+ void *rx_handler_data;
struct netdev_queue *_tx ____cacheline_aligned_in_smp;
@@ -1024,10 +1043,6 @@ struct net_device {
/* 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;
@@ -1057,6 +1072,9 @@ struct net_device {
#endif
/* n-tuple filter list attached to this device */
struct ethtool_rx_ntuple_list ethtool_ntuple_list;
+
+ /* phy device may attach itself for hardware timestamping */
+ struct phy_device *phydev;
};
#define to_net_dev(d) container_of(d, struct net_device, dev)
@@ -1087,11 +1105,7 @@ static inline void netdev_for_each_tx_queue(struct net_device *dev,
static inline
struct net *dev_net(const struct net_device *dev)
{
-#ifdef CONFIG_NET_NS
- return dev->nd_net;
-#else
- return &init_net;
-#endif
+ return read_pnet(&dev->nd_net);
}
static inline
@@ -1272,8 +1286,8 @@ extern void dev_add_pack(struct packet_type *pt);
extern void dev_remove_pack(struct packet_type *pt);
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_flags_rcu(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);
@@ -1696,6 +1710,11 @@ static inline void napi_free_frags(struct napi_struct *napi)
napi->skb = NULL;
}
+extern int netdev_rx_handler_register(struct net_device *dev,
+ rx_handler_func_t *rx_handler,
+ void *rx_handler_data);
+extern void netdev_rx_handler_unregister(struct net_device *dev);
+
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 *);
@@ -1775,6 +1794,8 @@ extern void netif_carrier_on(struct net_device *dev);
extern void netif_carrier_off(struct net_device *dev);
+extern void netif_notify_peers(struct net_device *dev);
+
/**
* netif_dormant_on - mark device as dormant.
* @dev: network device
@@ -2119,8 +2140,10 @@ 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);
extern void dev_mcast_init(void);
-extern const struct net_device_stats *dev_get_stats(struct net_device *dev);
-extern void dev_txq_stats_fold(const struct net_device *dev, struct net_device_stats *stats);
+extern struct rtnl_link_stats64 *dev_get_stats(struct net_device *dev,
+ struct rtnl_link_stats64 *storage);
+extern void dev_txq_stats_fold(const struct net_device *dev,
+ struct rtnl_link_stats64 *stats);
extern int netdev_max_backlog;
extern int netdev_tstamp_prequeue;
@@ -2230,25 +2253,23 @@ static inline const char *netdev_name(const struct net_device *dev)
return dev->name;
}
-#define netdev_printk(level, netdev, format, args...) \
- dev_printk(level, (netdev)->dev.parent, \
- "%s: " format, \
- netdev_name(netdev), ##args)
-
-#define netdev_emerg(dev, format, args...) \
- netdev_printk(KERN_EMERG, dev, format, ##args)
-#define netdev_alert(dev, format, args...) \
- netdev_printk(KERN_ALERT, dev, format, ##args)
-#define netdev_crit(dev, format, args...) \
- netdev_printk(KERN_CRIT, dev, format, ##args)
-#define netdev_err(dev, format, args...) \
- netdev_printk(KERN_ERR, dev, format, ##args)
-#define netdev_warn(dev, format, args...) \
- netdev_printk(KERN_WARNING, dev, format, ##args)
-#define netdev_notice(dev, format, args...) \
- netdev_printk(KERN_NOTICE, dev, format, ##args)
-#define netdev_info(dev, format, args...) \
- netdev_printk(KERN_INFO, dev, format, ##args)
+extern int netdev_printk(const char *level, const struct net_device *dev,
+ const char *format, ...)
+ __attribute__ ((format (printf, 3, 4)));
+extern int netdev_emerg(const struct net_device *dev, const char *format, ...)
+ __attribute__ ((format (printf, 2, 3)));
+extern int netdev_alert(const struct net_device *dev, const char *format, ...)
+ __attribute__ ((format (printf, 2, 3)));
+extern int netdev_crit(const struct net_device *dev, const char *format, ...)
+ __attribute__ ((format (printf, 2, 3)));
+extern int netdev_err(const struct net_device *dev, const char *format, ...)
+ __attribute__ ((format (printf, 2, 3)));
+extern int netdev_warn(const struct net_device *dev, const char *format, ...)
+ __attribute__ ((format (printf, 2, 3)));
+extern int netdev_notice(const struct net_device *dev, const char *format, ...)
+ __attribute__ ((format (printf, 2, 3)));
+extern int netdev_info(const struct net_device *dev, const char *format, ...)
+ __attribute__ ((format (printf, 2, 3)));
#if defined(DEBUG)
#define netdev_dbg(__dev, format, args...) \
@@ -2296,20 +2317,26 @@ do { \
netdev_printk(level, (dev), fmt, ##args); \
} while (0)
+#define netif_level(level, priv, type, dev, fmt, args...) \
+do { \
+ if (netif_msg_##type(priv)) \
+ netdev_##level(dev, fmt, ##args); \
+} while (0)
+
#define netif_emerg(priv, type, dev, fmt, args...) \
- netif_printk(priv, type, KERN_EMERG, dev, fmt, ##args)
+ netif_level(emerg, priv, type, dev, fmt, ##args)
#define netif_alert(priv, type, dev, fmt, args...) \
- netif_printk(priv, type, KERN_ALERT, dev, fmt, ##args)
+ netif_level(alert, priv, type, dev, fmt, ##args)
#define netif_crit(priv, type, dev, fmt, args...) \
- netif_printk(priv, type, KERN_CRIT, dev, fmt, ##args)
+ netif_level(crit, priv, type, dev, fmt, ##args)
#define netif_err(priv, type, dev, fmt, args...) \
- netif_printk(priv, type, KERN_ERR, dev, fmt, ##args)
+ netif_level(err, priv, type, dev, fmt, ##args)
#define netif_warn(priv, type, dev, fmt, args...) \
- netif_printk(priv, type, KERN_WARNING, dev, fmt, ##args)
+ netif_level(warn, priv, type, dev, fmt, ##args)
#define netif_notice(priv, type, dev, fmt, args...) \
- netif_printk(priv, type, KERN_NOTICE, dev, fmt, ##args)
+ netif_level(notice, priv, type, dev, fmt, ##args)
#define netif_info(priv, type, dev, fmt, args...) \
- netif_printk(priv, type, KERN_INFO, (dev), fmt, ##args)
+ netif_level(info, priv, type, dev, fmt, ##args)
#if defined(DEBUG)
#define netif_dbg(priv, type, dev, format, args...) \