diff options
Diffstat (limited to 'include/linux/netdevice.h')
| -rw-r--r-- | include/linux/netdevice.h | 154 |
1 files changed, 78 insertions, 76 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 59dc05f38247..02e0f6b156c3 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -25,12 +25,6 @@ #ifndef _LINUX_NETDEVICE_H #define _LINUX_NETDEVICE_H -#include <linux/if.h> -#include <linux/if_ether.h> -#include <linux/if_packet.h> -#include <linux/if_link.h> - -#ifdef __KERNEL__ #include <linux/pm_qos.h> #include <linux/timer.h> #include <linux/bug.h> @@ -55,6 +49,7 @@ #include <linux/netdev_features.h> #include <linux/neighbour.h> +#include <uapi/linux/netdevice.h> struct netpoll_info; struct device; @@ -133,14 +128,6 @@ static inline bool dev_xmit_complete(int rc) return false; } -#endif - -#define MAX_ADDR_LEN 32 /* Largest hardware address length */ - -/* Initial net device group. All devices belong to group 0 by default. */ -#define INIT_NETDEV_GROUP 0 - -#ifdef __KERNEL__ /* * Compute the worst case header length according to the protocols * used. @@ -196,21 +183,6 @@ struct net_device_stats { unsigned long tx_compressed; }; -#endif /* __KERNEL__ */ - - -/* Media selection options. */ -enum { - IF_PORT_UNKNOWN = 0, - IF_PORT_10BASE2, - IF_PORT_10BASET, - IF_PORT_AUI, - IF_PORT_100BASET, - IF_PORT_100BASETX, - IF_PORT_100BASEFX -}; - -#ifdef __KERNEL__ #include <linux/cache.h> #include <linux/skbuff.h> @@ -338,18 +310,16 @@ struct napi_struct { unsigned long state; int weight; + unsigned int gro_count; int (*poll)(struct napi_struct *, int); #ifdef CONFIG_NETPOLL spinlock_t poll_lock; int poll_owner; #endif - - unsigned int gro_count; - struct net_device *dev; - struct list_head dev_list; struct sk_buff *gro_list; struct sk_buff *skb; + struct list_head dev_list; }; enum { @@ -399,7 +369,7 @@ typedef enum gro_result gro_result_t; * * If the rx_handler consider the skb should be ignored, it should return * RX_HANDLER_EXACT. The skb will only be delivered to protocol handlers that - * are registred on exact device (ptype->dev == skb->dev). + * are registered on exact device (ptype->dev == skb->dev). * * If the rx_handler didn't changed skb->dev, but want the skb to be normally * delivered, it should return RX_HANDLER_PASS. @@ -906,16 +876,21 @@ struct netdev_fcoe_hbainfo { * feature set might be less than what was returned by ndo_fix_features()). * Must return >0 or -errno if it changed dev->features itself. * - * int (*ndo_fdb_add)(struct ndmsg *ndm, struct net_device *dev, - * unsigned char *addr, u16 flags) + * int (*ndo_fdb_add)(struct ndmsg *ndm, struct nlattr *tb[], + * struct net_device *dev, + * const unsigned char *addr, u16 flags) * Adds an FDB entry to dev for addr. * int (*ndo_fdb_del)(struct ndmsg *ndm, struct net_device *dev, - * unsigned char *addr) + * const unsigned char *addr) * Deletes the FDB entry from dev coresponding to addr. * int (*ndo_fdb_dump)(struct sk_buff *skb, struct netlink_callback *cb, * struct net_device *dev, int idx) * Used to add FDB entries to dump requests. Implementers should add * entries to skb and update idx with the number of entries. + * + * int (*ndo_bridge_setlink)(struct net_device *dev, struct nlmsghdr *nlh) + * int (*ndo_bridge_getlink)(struct sk_buff *skb, u32 pid, u32 seq, + * struct net_device *dev) */ struct net_device_ops { int (*ndo_init)(struct net_device *dev); @@ -1016,16 +991,23 @@ struct net_device_ops { void (*ndo_neigh_destroy)(struct neighbour *n); int (*ndo_fdb_add)(struct ndmsg *ndm, + struct nlattr *tb[], struct net_device *dev, - unsigned char *addr, + const unsigned char *addr, u16 flags); int (*ndo_fdb_del)(struct ndmsg *ndm, struct net_device *dev, - unsigned char *addr); + const unsigned char *addr); int (*ndo_fdb_dump)(struct sk_buff *skb, struct netlink_callback *cb, struct net_device *dev, int idx); + + int (*ndo_bridge_setlink)(struct net_device *dev, + struct nlmsghdr *nlh); + int (*ndo_bridge_getlink)(struct sk_buff *skb, + u32 pid, u32 seq, + struct net_device *dev); }; /* @@ -1081,6 +1063,12 @@ struct net_device { netdev_features_t wanted_features; /* mask of features inheritable by VLAN devices */ netdev_features_t vlan_features; + /* mask of features inherited by encapsulating devices + * This field indicates what encapsulation offloads + * the hardware is capable of doing, and drivers will + * need to set them appropriately. + */ + netdev_features_t hw_enc_features; /* Interface index. Unique device identifier */ int ifindex; @@ -1322,6 +1310,8 @@ struct net_device { /* phy device may attach itself for hardware timestamping */ struct phy_device *phydev; + struct lock_class_key *qdisc_tx_busylock; + /* group the device belongs to */ int group; @@ -1401,6 +1391,9 @@ static inline void netdev_for_each_tx_queue(struct net_device *dev, f(dev, &dev->_tx[i], arg); } +extern struct netdev_queue *netdev_pick_tx(struct net_device *dev, + struct sk_buff *skb); + /* * Net namespace inlines */ @@ -1492,19 +1485,28 @@ struct napi_gro_cb { /* This indicates where we are processing relative to skb->data. */ int data_offset; - /* This is non-zero if the packet may be of the same flow. */ - int same_flow; - /* This is non-zero if the packet cannot be merged with the new skb. */ int flush; /* Number of segments aggregated. */ - int count; + u16 count; + + /* This is non-zero if the packet may be of the same flow. */ + u8 same_flow; /* Free the skb? */ - int free; + u8 free; #define NAPI_GRO_FREE 1 #define NAPI_GRO_FREE_STOLEN_HEAD 2 + + /* jiffies when first packet was created/queued */ + unsigned long age; + + /* Used in ipv6_gro_receive() */ + int proto; + + /* used in skb_gro_receive() slow path */ + struct sk_buff *last; }; #define NAPI_GRO_CB(skb) ((struct napi_gro_cb *)(skb)->cb) @@ -1516,16 +1518,25 @@ struct packet_type { struct net_device *, struct packet_type *, struct net_device *); + bool (*id_match)(struct packet_type *ptype, + struct sock *sk); + void *af_packet_priv; + struct list_head list; +}; + +struct offload_callbacks { struct sk_buff *(*gso_segment)(struct sk_buff *skb, netdev_features_t features); int (*gso_send_check)(struct sk_buff *skb); struct sk_buff **(*gro_receive)(struct sk_buff **head, struct sk_buff *skb); int (*gro_complete)(struct sk_buff *skb); - bool (*id_match)(struct packet_type *ptype, - struct sock *sk); - void *af_packet_priv; - struct list_head list; +}; + +struct packet_offload { + __be16 type; /* This is really htons(ether_type). */ + struct offload_callbacks callbacks; + struct list_head list; }; #include <linux/notifier.h> @@ -1553,7 +1564,7 @@ struct packet_type { #define NETDEV_PRE_TYPE_CHANGE 0x000E #define NETDEV_POST_TYPE_CHANGE 0x000F #define NETDEV_POST_INIT 0x0010 -#define NETDEV_UNREGISTER_BATCH 0x0011 +#define NETDEV_UNREGISTER_FINAL 0x0011 #define NETDEV_RELEASE 0x0012 #define NETDEV_NOTIFY_PEERS 0x0013 #define NETDEV_JOIN 0x0014 @@ -1565,6 +1576,8 @@ extern int call_netdevice_notifiers(unsigned long val, struct net_device *dev); extern rwlock_t dev_base_lock; /* Device list lock */ +extern seqlock_t devnet_rename_seq; /* Device rename lock */ + #define for_each_netdev(net, d) \ list_for_each_entry(d, &(net)->dev_base_head, dev_list) @@ -1622,6 +1635,9 @@ extern struct net_device *__dev_getfirstbyhwtype(struct net *net, unsigned short 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 void dev_add_offload(struct packet_offload *po); +extern void dev_remove_offload(struct packet_offload *po); +extern void __dev_remove_offload(struct packet_offload *po); extern struct net_device *dev_get_by_flags_rcu(struct net *net, unsigned short flags, unsigned short mask); @@ -1658,7 +1674,6 @@ extern int netpoll_trap(void); #endif extern int skb_gro_receive(struct sk_buff **head, struct sk_buff *skb); -extern void skb_gro_reset_offset(struct sk_buff *skb); static inline unsigned int skb_gro_offset(const struct sk_buff *skb) { @@ -2147,16 +2162,10 @@ extern void dev_kfree_skb_any(struct sk_buff *skb); extern int netif_rx(struct sk_buff *skb); extern int netif_rx_ni(struct sk_buff *skb); extern int netif_receive_skb(struct sk_buff *skb); -extern gro_result_t dev_gro_receive(struct napi_struct *napi, - struct sk_buff *skb); -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_gro_flush(struct napi_struct *napi); +extern void napi_gro_flush(struct napi_struct *napi, bool flush_old); extern struct sk_buff * napi_get_frags(struct napi_struct *napi); -extern gro_result_t napi_frags_finish(struct napi_struct *napi, - struct sk_buff *skb, - gro_result_t ret); extern gro_result_t napi_gro_frags(struct napi_struct *napi); static inline void napi_free_frags(struct napi_struct *napi) @@ -2227,6 +2236,7 @@ static inline void dev_hold(struct net_device *dev) * kind of lower layer not just hardware media. */ +extern void linkwatch_init_dev(struct net_device *dev); extern void linkwatch_fire_event(struct net_device *dev); extern void linkwatch_forget_dev(struct net_device *dev); @@ -2249,8 +2259,6 @@ 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 @@ -2560,9 +2568,9 @@ extern void __hw_addr_flush(struct netdev_hw_addr_list *list); extern void __hw_addr_init(struct netdev_hw_addr_list *list); /* Functions used for device addresses handling */ -extern int dev_addr_add(struct net_device *dev, unsigned char *addr, +extern int dev_addr_add(struct net_device *dev, const unsigned char *addr, unsigned char addr_type); -extern int dev_addr_del(struct net_device *dev, unsigned char *addr, +extern int dev_addr_del(struct net_device *dev, const unsigned char *addr, unsigned char addr_type); extern int dev_addr_add_multiple(struct net_device *to_dev, struct net_device *from_dev, @@ -2574,20 +2582,20 @@ extern void dev_addr_flush(struct net_device *dev); extern int dev_addr_init(struct net_device *dev); /* Functions used for unicast addresses handling */ -extern int dev_uc_add(struct net_device *dev, unsigned char *addr); -extern int dev_uc_add_excl(struct net_device *dev, unsigned char *addr); -extern int dev_uc_del(struct net_device *dev, unsigned char *addr); +extern int dev_uc_add(struct net_device *dev, const unsigned char *addr); +extern int dev_uc_add_excl(struct net_device *dev, const unsigned char *addr); +extern int dev_uc_del(struct net_device *dev, const unsigned char *addr); extern int dev_uc_sync(struct net_device *to, struct net_device *from); extern void dev_uc_unsync(struct net_device *to, struct net_device *from); extern void dev_uc_flush(struct net_device *dev); extern void dev_uc_init(struct net_device *dev); /* Functions used for multicast addresses handling */ -extern int dev_mc_add(struct net_device *dev, unsigned char *addr); -extern int dev_mc_add_global(struct net_device *dev, unsigned char *addr); -extern int dev_mc_add_excl(struct net_device *dev, unsigned char *addr); -extern int dev_mc_del(struct net_device *dev, unsigned char *addr); -extern int dev_mc_del_global(struct net_device *dev, unsigned char *addr); +extern int dev_mc_add(struct net_device *dev, const unsigned char *addr); +extern int dev_mc_add_global(struct net_device *dev, const unsigned char *addr); +extern int dev_mc_add_excl(struct net_device *dev, const unsigned char *addr); +extern int dev_mc_del(struct net_device *dev, const unsigned char *addr); +extern int dev_mc_del_global(struct net_device *dev, const unsigned char *addr); 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 void dev_mc_flush(struct net_device *dev); @@ -2599,8 +2607,7 @@ extern void __dev_set_rx_mode(struct net_device *dev); 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 int netdev_bonding_change(struct net_device *dev, - unsigned long event); +extern void netdev_notify_peers(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); @@ -2720,9 +2727,6 @@ static inline const char *netdev_name(const struct net_device *dev) return dev->name; } -extern int __netdev_printk(const char *level, const struct net_device *dev, - struct va_format *vaf); - extern __printf(3, 4) int netdev_printk(const char *level, const struct net_device *dev, const char *format, ...); @@ -2839,6 +2843,4 @@ do { \ }) #endif -#endif /* __KERNEL__ */ - #endif /* _LINUX_NETDEVICE_H */ |