diff options
Diffstat (limited to 'include/linux/netdevice.h')
| -rw-r--r-- | include/linux/netdevice.h | 63 |
1 files changed, 46 insertions, 17 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 9981d637f8b5..87cafc932e9e 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -300,9 +300,11 @@ struct hh_cache { * We could use other alignment values, but we must maintain the * relationship HH alignment <= LL alignment. */ -#define LL_RESERVED_SPACE(dev) \ - ((((dev)->hard_header_len + READ_ONCE((dev)->needed_headroom)) \ +#define LL_RESERVED_SPACE_EX(dev, hlen) \ + ((((hlen) + READ_ONCE((dev)->needed_headroom)) \ & ~(HH_DATA_MOD - 1)) + HH_DATA_MOD) +#define LL_RESERVED_SPACE(dev) \ + LL_RESERVED_SPACE_EX(dev, (dev)->hard_header_len) #define LL_RESERVED_SPACE_EXTRA(dev,extra) \ ((((dev)->hard_header_len + READ_ONCE((dev)->needed_headroom) + (extra)) \ & ~(HH_DATA_MOD - 1)) + HH_DATA_MOD) @@ -830,8 +832,13 @@ struct xps_dev_maps { #define TC_BITMASK 15 /* HW offloaded queuing disciplines txq count and offset maps */ struct netdev_tc_txq { - u16 count; - u16 offset; + union { + struct { + u16 count; + u16 offset; + }; + u32 combined; + }; }; #if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE) @@ -892,6 +899,7 @@ struct net_device_path { u8 h_dest[ETH_ALEN]; } encap; struct { + struct dst_entry *dst; union { struct in_addr src_v4; struct in6_addr src_v6; @@ -901,7 +909,7 @@ struct net_device_path { struct in6_addr dst_v6; }; - u8 l3_proto; + u8 inner_proto; } tun; struct { enum { @@ -938,6 +946,7 @@ struct net_device_path_stack { struct net_device_path_ctx { const struct net_device *dev; u8 daddr[ETH_ALEN]; + __be16 ether_type; int num_vlans; struct { @@ -1845,6 +1854,8 @@ enum netdev_reg_state { * @napi_list: List entry used for polling NAPI devices * @unreg_list: List entry when we are unregistering the * device; see the function unregister_netdev + * @unreg_list_net:List entry when we are unregistering the cross-netns + * device; see the function unregister_netdevice_queue_net() * @close_list: List entry used when we are closing the device * @ptype_all: Device-specific packet handlers for all protocols * @ptype_specific: Device-specific, protocol-specific packet handlers @@ -2241,6 +2252,9 @@ struct net_device { struct list_head dev_list; struct list_head napi_list; struct list_head unreg_list; +#ifdef CONFIG_DEBUG_NET_SMALL_RTNL + struct list_head unreg_list_net; +#endif struct list_head close_list; struct list_head ptype_all; @@ -2658,16 +2672,16 @@ static inline bool netif_elide_gro(const struct net_device *dev) static inline int netdev_get_prio_tc_map(const struct net_device *dev, u32 prio) { - return dev->prio_tc_map[prio & TC_BITMASK]; + return READ_ONCE(dev->prio_tc_map[prio & TC_BITMASK]); } static inline int netdev_set_prio_tc_map(struct net_device *dev, u8 prio, u8 tc) { - if (tc >= dev->num_tc) + if (tc >= READ_ONCE(dev->num_tc)) return -EINVAL; - dev->prio_tc_map[prio & TC_BITMASK] = tc & TC_BITMASK; + WRITE_ONCE(dev->prio_tc_map[prio & TC_BITMASK], tc & TC_BITMASK); return 0; } @@ -2677,9 +2691,9 @@ int netdev_set_tc_queue(struct net_device *dev, u8 tc, u16 count, u16 offset); int netdev_set_num_tc(struct net_device *dev, u8 num_tc); static inline -int netdev_get_num_tc(struct net_device *dev) +int netdev_get_num_tc(const struct net_device *dev) { - return dev->num_tc; + return READ_ONCE(dev->num_tc); } static inline void net_prefetch(void *p) @@ -2706,7 +2720,7 @@ int netdev_bind_sb_channel_queue(struct net_device *dev, int netdev_set_sb_channel(struct net_device *dev, u16 channel); static inline int netdev_get_sb_channel(struct net_device *dev) { - return max_t(int, -dev->num_tc, 0); + return max_t(int, -READ_ONCE(dev->num_tc), 0); } static inline @@ -3420,8 +3434,9 @@ void dev_remove_offload(struct packet_offload *po); int dev_get_iflink(const struct net_device *dev); int dev_fill_metadata_dst(struct net_device *dev, struct sk_buff *skb); -int dev_fill_forward_path(const struct net_device *dev, const u8 *daddr, +int dev_fill_forward_path(struct net_device_path_ctx *ctx, struct net_device_path_stack *stack); +void dev_fill_forward_path_release(struct net_device_path_stack *stack); struct net_device *dev_get_by_name(struct net *net, const char *name); struct net_device *dev_get_by_name_rcu(struct net *net, const char *name); struct net_device *__dev_get_by_name(struct net *net, const char *name); @@ -3472,6 +3487,25 @@ static inline void unregister_netdevice(struct net_device *dev) unregister_netdevice_queue(dev, NULL); } +#ifdef CONFIG_DEBUG_NET_SMALL_RTNL +void unregister_netdevice_queue_net(struct net *net, struct net_device *dev, + struct list_head *head); +void unregister_netdevice_many_net(struct net *net); +void unregister_netdevice_queue_many_net(struct net *net, struct list_head *head); +#else +static inline void unregister_netdevice_queue_net(struct net *net, + struct net_device *dev, + struct list_head *head) +{ + unregister_netdevice_queue(dev, head); +} + +static inline void unregister_netdevice_queue_many_net(struct net *net, + struct list_head *head) +{ +} +#endif + int netdev_refcnt_read(const struct net_device *dev); void free_netdev(struct net_device *dev); @@ -3531,11 +3565,6 @@ static inline bool dev_validate_header(const struct net_device *dev, if (len < dev->min_header_len) return false; - if (capable(CAP_SYS_RAWIO)) { - memset(ll_header + len, 0, dev->hard_header_len - len); - return true; - } - if (dev->header_ops && dev->header_ops->validate) return dev->header_ops->validate(ll_header, len); |