diff options
Diffstat (limited to 'include/linux/netdevice.h')
| -rw-r--r-- | include/linux/netdevice.h | 410 |
1 files changed, 265 insertions, 145 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index ec54785d34f..f46db6c7a73 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -32,15 +32,18 @@ #ifdef __KERNEL__ #include <linux/timer.h> #include <linux/delay.h> +#include <linux/mm.h> #include <asm/atomic.h> #include <asm/cache.h> #include <asm/byteorder.h> #include <linux/device.h> #include <linux/percpu.h> +#include <linux/rculist.h> #include <linux/dmaengine.h> #include <linux/workqueue.h> +#include <linux/ethtool.h> #include <net/net_namespace.h> #include <net/dsa.h> #ifdef CONFIG_DCB @@ -48,7 +51,6 @@ #endif struct vlan_group; -struct ethtool_ops; struct netpoll_info; /* 802.11 specific */ struct wireless_dev; @@ -70,10 +72,6 @@ struct wireless_dev; /* Backlog congestion levels */ #define NET_RX_SUCCESS 0 /* keep 'em coming, baby */ #define NET_RX_DROP 1 /* packet dropped */ -#define NET_RX_CN_LOW 2 /* storm alert, just in case */ -#define NET_RX_CN_MOD 3 /* Storm on its way! */ -#define NET_RX_CN_HIGH 4 /* The storm is here */ -#define NET_RX_BAD 5 /* packet dropped due to kernel error */ /* NET_XMIT_CN is special. It does not guarantee that this packet is lost. It * indicates that the device will soon be dropping packets, or already drops @@ -81,29 +79,31 @@ struct wireless_dev; #define net_xmit_eval(e) ((e) == NET_XMIT_CN? 0 : (e)) #define net_xmit_errno(e) ((e) != NET_XMIT_CN ? -ENOBUFS : 0) +/* Driver transmit return codes */ +enum netdev_tx { + NETDEV_TX_OK = 0, /* driver took care of packet */ + NETDEV_TX_BUSY, /* driver tx path was busy*/ + NETDEV_TX_LOCKED = -1, /* driver tx lock was already taken */ +}; +typedef enum netdev_tx netdev_tx_t; + #endif #define MAX_ADDR_LEN 32 /* Largest hardware address length */ -/* Driver transmit return codes */ -#define NETDEV_TX_OK 0 /* driver took care of packet */ -#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_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) +#elif defined(CONFIG_TR) || defined(CONFIG_TR_MODULE) # define LL_MAX_HEADER 48 #else # define LL_MAX_HEADER 32 @@ -124,7 +124,7 @@ struct wireless_dev; * Network device statistics. Akin to the 2.0 ether stats but * with byte counters. */ - + struct net_device_stats { unsigned long rx_packets; /* total packets received */ @@ -209,6 +209,24 @@ 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 +#define NETDEV_HW_ADDR_T_UNICAST 4 + int refcount; + bool synced; + struct rcu_head rcu_head; +}; + +struct netdev_hw_addr_list { + struct list_head list; + int count; +}; + struct hh_cache { struct hh_cache *hh_next; /* Next entry */ @@ -285,7 +303,7 @@ enum netdev_state_t /* * This structure holds at boot time configured netdevice settings. They - * are then used in the device probing. + * are then used in the device probing. */ struct netdev_boot_setup { char name[IFNAMSIZ]; @@ -314,6 +332,9 @@ struct napi_struct { 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; @@ -327,6 +348,14 @@ enum NAPI_STATE_NPSVC, /* Netpoll - don't dequeue from poll_list */ }; +enum { + GRO_MERGED, + GRO_MERGED_FREE, + GRO_HELD, + GRO_NORMAL, + GRO_DROP, +}; + extern void __napi_schedule(struct napi_struct *n); static inline int napi_disable_pending(struct napi_struct *n) @@ -435,12 +464,25 @@ enum netdev_queue_state_t }; struct netdev_queue { +/* + * read mostly part + */ struct net_device *dev; struct Qdisc *qdisc; unsigned long state; - spinlock_t _xmit_lock; - int xmit_lock_owner; struct Qdisc *qdisc_sleeping; +/* + * write mostly part + */ + spinlock_t _xmit_lock ____cacheline_aligned_in_smp; + int xmit_lock_owner; + /* + * 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; } ____cacheline_aligned_in_smp; @@ -467,9 +509,11 @@ struct netdev_queue { * This function is called when network device transistions to the down * state. * - * int (*ndo_start_xmit)(struct sk_buff *skb, struct net_device *dev); + * netdev_tx_t (*ndo_start_xmit)(struct sk_buff *skb, + * struct net_device *dev); * Called when a packet needs to be transmitted. - * Must return NETDEV_TX_OK , NETDEV_TX_BUSY, or NETDEV_TX_LOCKED, + * Must return NETDEV_TX_OK , NETDEV_TX_BUSY. + * (can also return NETDEV_TX_LOCKED iff NETIF_F_LLTX) * Required can not be NULL. * * u16 (*ndo_select_queue)(struct net_device *dev, struct sk_buff *skb); @@ -488,7 +532,7 @@ struct netdev_queue { * * int (*ndo_set_mac_address)(struct net_device *dev, void *addr); * This function is called when the Media Access Control address - * needs to be changed. If not this interface is not defined, the + * needs to be changed. If this interface is not defined, the * mac address can not be changed. * * int (*ndo_validate_addr)(struct net_device *dev); @@ -540,7 +584,7 @@ struct net_device_ops { void (*ndo_uninit)(struct net_device *dev); int (*ndo_open)(struct net_device *dev); int (*ndo_stop)(struct net_device *dev); - int (*ndo_start_xmit) (struct sk_buff *skb, + netdev_tx_t (*ndo_start_xmit) (struct sk_buff *skb, struct net_device *dev); u16 (*ndo_select_queue)(struct net_device *dev, struct sk_buff *skb); @@ -582,6 +626,16 @@ struct net_device_ops { #define HAVE_NETDEV_POLL void (*ndo_poll_controller)(struct net_device *dev); #endif +#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE) + int (*ndo_fcoe_enable)(struct net_device *dev); + int (*ndo_fcoe_disable)(struct net_device *dev); + int (*ndo_fcoe_ddp_setup)(struct net_device *dev, + u16 xid, + struct scatterlist *sgl, + unsigned int sgc); + int (*ndo_fcoe_ddp_done)(struct net_device *dev, + u16 xid); +#endif }; /* @@ -650,14 +704,20 @@ struct net_device #define NETIF_F_GRO 16384 /* Generic receive offload */ #define NETIF_F_LRO 32768 /* large receive offload */ +/* the GSO_MASK reserves bits 16 through 23 */ +#define NETIF_F_FCOE_CRC (1 << 24) /* FCoE CRC32 */ +#define NETIF_F_SCTP_CSUM (1 << 25) /* SCTP checksum offload */ +#define NETIF_F_FCOE_MTU (1 << 26) /* Supports max FCoE MTU, 2158 bytes*/ + /* Segmentation offload features */ #define NETIF_F_GSO_SHIFT 16 -#define NETIF_F_GSO_MASK 0xffff0000 +#define NETIF_F_GSO_MASK 0x00ff0000 #define NETIF_F_TSO (SKB_GSO_TCPV4 << NETIF_F_GSO_SHIFT) #define NETIF_F_UFO (SKB_GSO_UDP << NETIF_F_GSO_SHIFT) #define NETIF_F_GSO_ROBUST (SKB_GSO_DODGY << NETIF_F_GSO_SHIFT) #define NETIF_F_TSO_ECN (SKB_GSO_TCP_ECN << NETIF_F_GSO_SHIFT) #define NETIF_F_TSO6 (SKB_GSO_TCPV6 << NETIF_F_GSO_SHIFT) +#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) @@ -724,10 +784,10 @@ 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 */ + struct netdev_hw_addr_list uc; /* Secondary unicast + mac addresses */ int uc_promisc; + spinlock_t addr_list_lock; struct dev_addr_list *mc_list; /* Multicast mac addresses */ int mc_count; /* Number of installed mcasts */ unsigned int promiscuity; @@ -740,7 +800,7 @@ struct net_device void *dsa_ptr; /* dsa specific data */ #endif void *atalk_ptr; /* AppleTalk link */ - void *ip_ptr; /* IPv4 specific data */ + void *ip_ptr; /* IPv4 specific data */ void *dn_ptr; /* DECnet specific data */ void *ip6_ptr; /* IPv6 specific data */ void *ec_ptr; /* Econet specific data */ @@ -753,8 +813,12 @@ 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 netdev_hw_addr_list dev_addrs; /* list of device + hw addresses */ unsigned char broadcast[MAX_ADDR_LEN]; /* hw bcast add */ @@ -768,12 +832,20 @@ struct net_device /* Number of TX queues currently active in device */ unsigned int real_num_tx_queues; + /* root qdisc from userspace point of view */ + struct Qdisc *qdisc; + unsigned long tx_queue_len; /* Max frames per queue allowed */ spinlock_t tx_global_lock; /* * One part is mostly used on xmit path (device) */ /* These may be needed for future network-power-down code. */ + + /* + * trans_start here is expensive for high speed devices on SMP, + * please use netdev_queue->trans_start instead. + */ unsigned long trans_start; /* Time (in jiffies) of last Tx */ int watchdog_timeo; /* used by dev_watchdog() */ @@ -840,48 +912,14 @@ struct net_device struct dcbnl_rtnl_ops *dcbnl_ops; #endif -#ifdef CONFIG_COMPAT_NET_DEV_OPS - struct { - int (*init)(struct net_device *dev); - void (*uninit)(struct net_device *dev); - int (*open)(struct net_device *dev); - int (*stop)(struct net_device *dev); - int (*hard_start_xmit) (struct sk_buff *skb, - struct net_device *dev); - u16 (*select_queue)(struct net_device *dev, - struct sk_buff *skb); - void (*change_rx_flags)(struct net_device *dev, - int flags); - void (*set_rx_mode)(struct net_device *dev); - void (*set_multicast_list)(struct net_device *dev); - int (*set_mac_address)(struct net_device *dev, - void *addr); - int (*validate_addr)(struct net_device *dev); - int (*do_ioctl)(struct net_device *dev, - struct ifreq *ifr, int cmd); - int (*set_config)(struct net_device *dev, - struct ifmap *map); - int (*change_mtu)(struct net_device *dev, int new_mtu); - int (*neigh_setup)(struct net_device *dev, - struct neigh_parms *); - void (*tx_timeout) (struct net_device *dev); - struct net_device_stats* (*get_stats)(struct net_device *dev); - void (*vlan_rx_register)(struct net_device *dev, - struct vlan_group *grp); - void (*vlan_rx_add_vid)(struct net_device *dev, - unsigned short vid); - void (*vlan_rx_kill_vid)(struct net_device *dev, - unsigned short vid); -#ifdef CONFIG_NET_POLL_CONTROLLER - void (*poll_controller)(struct net_device *dev); -#endif - }; +#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE) + /* max exchange id for FCoE LRO by ddp */ + unsigned int fcoe_ddp_xid; #endif }; #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, @@ -952,9 +990,7 @@ static inline bool netdev_uses_trailer_tags(struct net_device *dev) */ static inline void *netdev_priv(const struct net_device *dev) { - return (char *)dev + ((sizeof(struct net_device) - + NETDEV_ALIGN_CONST) - & ~NETDEV_ALIGN_CONST); + return (char *)dev + ALIGN(sizeof(struct net_device), NETDEV_ALIGN); } /* Set the sysfs physical device reference for the network logical device @@ -962,6 +998,12 @@ static inline void *netdev_priv(const struct net_device *dev) */ #define SET_NETDEV_DEV(net, pdev) ((net)->dev.parent = (pdev)) +/* Set the sysfs device type for the network logical device to allow + * fin grained indentification of different network device types. For + * example Ethernet, Wirelss LAN, Bluetooth, WiMAX etc. + */ +#define SET_NETDEV_DEVTYPE(net, devtype) ((net)->dev.type = (devtype)) + /** * netif_napi_add - initialize a napi context * @dev: network device @@ -984,6 +1026,15 @@ void netif_napi_add(struct net_device *dev, struct napi_struct *napi, void netif_napi_del(struct napi_struct *napi); struct napi_gro_cb { + /* Virtual address of skb_shinfo(skb)->frags[0].page + offset. */ + void *frag0; + + /* Length of frag0. */ + unsigned int frag0_len; + + /* 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; @@ -1016,14 +1067,6 @@ struct packet_type { struct list_head list; }; -struct napi_gro_fraginfo { - skb_frag_t frags[MAX_SKB_FRAGS]; - unsigned int nr_frags; - unsigned int ip_summed; - unsigned int len; - __wsum csum; -}; - #include <linux/interrupt.h> #include <linux/notifier.h> @@ -1079,6 +1122,7 @@ extern void synchronize_net(void); extern int register_netdevice_notifier(struct notifier_block *nb); extern int unregister_netdevice_notifier(struct notifier_block *nb); extern int init_dummy_netdev(struct net_device *dev); +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); @@ -1087,6 +1131,54 @@ extern int dev_restart(struct net_device *dev); #ifdef CONFIG_NETPOLL_TRAP 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) +{ + return NAPI_GRO_CB(skb)->data_offset; +} + +static inline unsigned int skb_gro_len(const struct sk_buff *skb) +{ + return skb->len - NAPI_GRO_CB(skb)->data_offset; +} + +static inline void skb_gro_pull(struct sk_buff *skb, unsigned int len) +{ + NAPI_GRO_CB(skb)->data_offset += len; +} + +static inline void *skb_gro_header_fast(struct sk_buff *skb, + unsigned int offset) +{ + return NAPI_GRO_CB(skb)->frag0 + offset; +} + +static inline int skb_gro_header_hard(struct sk_buff *skb, unsigned int hlen) +{ + return NAPI_GRO_CB(skb)->frag0_len < hlen; +} + +static inline void *skb_gro_header_slow(struct sk_buff *skb, unsigned int hlen, + unsigned int offset) +{ + NAPI_GRO_CB(skb)->frag0 = NULL; + NAPI_GRO_CB(skb)->frag0_len = 0; + return pskb_may_pull(skb, hlen) ? skb->data + offset : NULL; +} + +static inline void *skb_gro_mac_header(struct sk_buff *skb) +{ + return NAPI_GRO_CB(skb)->frag0 ?: skb_mac_header(skb); +} + +static inline void *skb_gro_network_header(struct sk_buff *skb) +{ + return (NAPI_GRO_CB(skb)->frag0 ?: skb->data) + + skb_network_offset(skb); +} static inline int dev_hard_header(struct sk_buff *skb, struct net_device *dev, unsigned short type, @@ -1180,7 +1272,7 @@ 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); + netif_tx_start_queue(dev_queue); return; } #endif @@ -1286,7 +1378,8 @@ static inline int netif_running(const struct net_device *dev) static inline void netif_start_subqueue(struct net_device *dev, u16 queue_index) { struct netdev_queue *txq = netdev_get_tx_queue(dev, queue_index); - clear_bit(__QUEUE_STATE_XOFF, &txq->state); + + netif_tx_start_queue(txq); } /** @@ -1303,7 +1396,7 @@ static inline void netif_stop_subqueue(struct net_device *dev, u16 queue_index) if (netpoll_trap()) return; #endif - set_bit(__QUEUE_STATE_XOFF, &txq->state); + netif_tx_stop_queue(txq); } /** @@ -1317,7 +1410,8 @@ static inline int __netif_subqueue_stopped(const struct net_device *dev, u16 queue_index) { struct netdev_queue *txq = netdev_get_tx_queue(dev, queue_index); - return test_bit(__QUEUE_STATE_XOFF, &txq->state); + + return netif_tx_queue_stopped(txq); } static inline int netif_subqueue_stopped(const struct net_device *dev, @@ -1375,14 +1469,23 @@ 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, struct sk_buff *skb); +extern int napi_skb_finish(int ret, struct sk_buff *skb); extern int 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_fraginfo_skb(struct napi_struct *napi, - struct napi_gro_fraginfo *info); -extern int napi_gro_frags(struct napi_struct *napi, - struct napi_gro_fraginfo *info); +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 struct sk_buff * napi_frags_skb(struct napi_struct *napi); +extern int napi_gro_frags(struct napi_struct *napi); + +static inline void napi_free_frags(struct napi_struct *napi) +{ + kfree_skb(napi->skb); + napi->skb = NULL; +} + 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 *); @@ -1449,6 +1552,8 @@ static inline int netif_carrier_ok(const struct net_device *dev) return !test_bit(__LINK_STATE_NOCARRIER, &dev->state); } +extern unsigned long dev_trans_start(struct net_device *dev); + extern void __netdev_watchdog_up(struct net_device *dev); extern void netif_carrier_on(struct net_device *dev); @@ -1574,56 +1679,6 @@ static inline u32 netif_msg_init(int debug_value, int default_msg_enable_bits) return (1 << debug_value) - 1; } -/* Test if receive needs to be scheduled but only if up */ -static inline int netif_rx_schedule_prep(struct napi_struct *napi) -{ - return napi_schedule_prep(napi); -} - -/* Add interface to tail of rx poll list. This assumes that _prep has - * already been called and returned 1. - */ -static inline void __netif_rx_schedule(struct napi_struct *napi) -{ - __napi_schedule(napi); -} - -/* Try to reschedule poll. Called by irq handler. */ - -static inline void netif_rx_schedule(struct napi_struct *napi) -{ - if (netif_rx_schedule_prep(napi)) - __netif_rx_schedule(napi); -} - -/* Try to reschedule poll. Called by dev->poll() after netif_rx_complete(). */ -static inline int netif_rx_reschedule(struct napi_struct *napi) -{ - if (napi_schedule_prep(napi)) { - __netif_rx_schedule(napi); - return 1; - } - return 0; -} - -/* same as netif_rx_complete, except that local_irq_save(flags) - * has already been issued - */ -static inline void __netif_rx_complete(struct napi_struct *napi) -{ - __napi_complete(napi); -} - -/* Remove interface from poll list: it must be in the poll list - * on current cpu. This primitive is called by dev->poll(), when - * it completes the work. The device cannot be out of poll list at this - * moment, it is BUG(). - */ -static inline void netif_rx_complete(struct napi_struct *napi) -{ - napi_complete(napi); -} - static inline void __netif_tx_lock(struct netdev_queue *txq, int cpu) { spin_lock(&txq->_xmit_lock); @@ -1656,6 +1711,12 @@ static inline void __netif_tx_unlock_bh(struct netdev_queue *txq) spin_unlock_bh(&txq->_xmit_lock); } +static inline void txq_trans_update(struct netdev_queue *txq) +{ + if (txq->xmit_lock_owner != -1) + txq->trans_start = jiffies; +} + /** * netif_tx_lock - grab network device transmit lock * @dev: network device @@ -1702,8 +1763,7 @@ static inline void netif_tx_unlock(struct net_device *dev) * force a schedule. */ clear_bit(__QUEUE_STATE_FROZEN, &txq->state); - if (!test_bit(__QUEUE_STATE_XOFF, &txq->state)) - __netif_schedule(txq->qdisc); + netif_schedule_queue(txq); } spin_unlock(&dev->tx_global_lock); } @@ -1763,6 +1823,13 @@ static inline void netif_addr_unlock_bh(struct net_device *dev) spin_unlock_bh(&dev->addr_list_lock); } +/* + * dev_addrs 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_addrs.list, list) + /* These functions live elsewhere (drivers/net/net_init.c, but related) */ extern void ether_setup(struct net_device *dev); @@ -1775,11 +1842,24 @@ 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); -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_delete(struct net_device *dev, void *addr); +extern int dev_unicast_add(struct net_device *dev, void *addr); 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); @@ -1793,7 +1873,8 @@ extern void __dev_addr_unsync(struct dev_addr_list **to, int *to_count, struct 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_bonding_change(struct net_device *dev, + unsigned long event); 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); @@ -1841,15 +1922,14 @@ static inline int net_gso_ok(int features, int gso_type) static inline int skb_gso_ok(struct sk_buff *skb, int features) { - return net_gso_ok(features, skb_shinfo(skb)->gso_type); + return net_gso_ok(features, skb_shinfo(skb)->gso_type) && + (!skb_has_frags(skb) || (features & NETIF_F_FRAGLIST)); } static inline int netif_needs_gso(struct net_device *dev, struct sk_buff *skb) { return skb_is_gso(skb) && (!skb_gso_ok(skb, dev->features) || - (skb_shinfo(skb)->frag_list && - !(dev->features & NETIF_F_FRAGLIST)) || unlikely(skb->ip_summed != CHECKSUM_PARTIAL)); } @@ -1859,6 +1939,16 @@ static inline void netif_set_gso_max_size(struct net_device *dev, dev->gso_max_size = size; } +static inline void skb_bond_set_mac_by_master(struct sk_buff *skb, + struct net_device *master) +{ + if (skb->pkt_type == PACKET_HOST) { + u16 *dest = (u16 *) eth_hdr(skb)->h_dest; + + memcpy(dest, master->dev_addr, ETH_ALEN); + } +} + /* 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. @@ -1872,9 +1962,17 @@ static inline int skb_bond_should_drop(struct sk_buff *skb) if (master->priv_flags & IFF_MASTER_ARPMON) dev->last_rx = jiffies; + if ((master->priv_flags & IFF_MASTER_ALB) && master->br_port) { + /* Do address unmangle. The local destination address + * will be always the one master has. Provides the right + * functionality in a bridge. + */ + skb_bond_set_mac_by_master(skb, master); + } + if (dev->priv_flags & IFF_SLAVE_INACTIVE) { if ((dev->priv_flags & IFF_SLAVE_NEEDARP) && - skb->protocol == __constant_htons(ETH_P_ARP)) + skb->protocol == __cpu_to_be16(ETH_P_ARP)) return 0; if (master->priv_flags & IFF_MASTER_ALB) { @@ -1883,7 +1981,7 @@ static inline int skb_bond_should_drop(struct sk_buff *skb) return 0; } if (master->priv_flags & IFF_MASTER_8023AD && - skb->protocol == __constant_htons(ETH_P_SLOW)) + skb->protocol == __cpu_to_be16(ETH_P_SLOW)) return 0; return 1; @@ -1893,6 +1991,28 @@ static inline int skb_bond_should_drop(struct sk_buff *skb) } extern struct pernet_operations __net_initdata loopback_net_ops; + +static inline int dev_ethtool_get_settings(struct net_device *dev, + struct ethtool_cmd *cmd) +{ + if (!dev->ethtool_ops || !dev->ethtool_ops->get_settings) + return -EOPNOTSUPP; + return dev->ethtool_ops->get_settings(dev, cmd); +} + +static inline u32 dev_ethtool_get_rx_csum(struct net_device *dev) +{ + if (!dev->ethtool_ops || !dev->ethtool_ops->get_rx_csum) + return 0; + return dev->ethtool_ops->get_rx_csum(dev); +} + +static inline u32 dev_ethtool_get_flags(struct net_device *dev) +{ + if (!dev->ethtool_ops || !dev->ethtool_ops->get_flags) + return 0; + return dev->ethtool_ops->get_flags(dev); +} #endif /* __KERNEL__ */ -#endif /* _LINUX_DEV_H */ +#endif /* _LINUX_NETDEVICE_H */ |