diff options
Diffstat (limited to 'include/net')
-rw-r--r-- | include/net/busy_poll.h | 1 | ||||
-rw-r--r-- | include/net/genetlink.h | 20 | ||||
-rw-r--r-- | include/net/route.h | 8 | ||||
-rw-r--r-- | include/net/xfrm.h | 6 |
4 files changed, 33 insertions, 2 deletions
diff --git a/include/net/busy_poll.h b/include/net/busy_poll.h index 8a358a2..829627d 100644 --- a/include/net/busy_poll.h +++ b/include/net/busy_poll.h @@ -123,6 +123,7 @@ static inline bool sk_busy_loop(struct sock *sk, int nonblock) /* local bh are disabled so it is ok to use _BH */ NET_ADD_STATS_BH(sock_net(sk), LINUX_MIB_BUSYPOLLRXPACKETS, rc); + cpu_relax(); } while (!nonblock && skb_queue_empty(&sk->sk_receive_queue) && !need_resched() && !busy_loop_timeout(end_time)); diff --git a/include/net/genetlink.h b/include/net/genetlink.h index 93024a4..8e0b6c8 100644 --- a/include/net/genetlink.h +++ b/include/net/genetlink.h @@ -61,6 +61,7 @@ struct genl_family { struct list_head ops_list; /* private */ struct list_head family_list; /* private */ struct list_head mcast_groups; /* private */ + struct module *module; }; /** @@ -121,9 +122,24 @@ struct genl_ops { struct list_head ops_list; }; -extern int genl_register_family(struct genl_family *family); -extern int genl_register_family_with_ops(struct genl_family *family, +extern int __genl_register_family(struct genl_family *family); + +static inline int genl_register_family(struct genl_family *family) +{ + family->module = THIS_MODULE; + return __genl_register_family(family); +} + +extern int __genl_register_family_with_ops(struct genl_family *family, struct genl_ops *ops, size_t n_ops); + +static inline int genl_register_family_with_ops(struct genl_family *family, + struct genl_ops *ops, size_t n_ops) +{ + family->module = THIS_MODULE; + return __genl_register_family_with_ops(family, ops, n_ops); +} + extern int genl_unregister_family(struct genl_family *family); extern int genl_register_ops(struct genl_family *, struct genl_ops *ops); extern int genl_unregister_ops(struct genl_family *, struct genl_ops *ops); diff --git a/include/net/route.h b/include/net/route.h index 2ea40c1..afdeeb5 100644 --- a/include/net/route.h +++ b/include/net/route.h @@ -317,4 +317,12 @@ static inline int ip4_dst_hoplimit(const struct dst_entry *dst) return hoplimit; } +static inline int ip_skb_dst_mtu(struct sk_buff *skb) +{ + struct inet_sock *inet = skb->sk ? inet_sk(skb->sk) : NULL; + + return (inet && inet->pmtudisc == IP_PMTUDISC_PROBE) ? + skb_dst(skb)->dev->mtu : dst_mtu(skb_dst(skb)); +} + #endif /* _ROUTE_H */ diff --git a/include/net/xfrm.h b/include/net/xfrm.h index 89d3d8a..e253bf0 100644 --- a/include/net/xfrm.h +++ b/include/net/xfrm.h @@ -341,10 +341,13 @@ struct xfrm_state_afinfo { struct sk_buff *skb); int (*transport_finish)(struct sk_buff *skb, int async); + void (*local_error)(struct sk_buff *skb, u32 mtu); }; extern int xfrm_state_register_afinfo(struct xfrm_state_afinfo *afinfo); extern int xfrm_state_unregister_afinfo(struct xfrm_state_afinfo *afinfo); +extern struct xfrm_state_afinfo *xfrm_state_get_afinfo(unsigned int family); +extern void xfrm_state_put_afinfo(struct xfrm_state_afinfo *afinfo); extern void xfrm_state_delete_tunnel(struct xfrm_state *x); @@ -1477,6 +1480,7 @@ extern int xfrm_input_resume(struct sk_buff *skb, int nexthdr); extern int xfrm_output_resume(struct sk_buff *skb, int err); extern int xfrm_output(struct sk_buff *skb); extern int xfrm_inner_extract_output(struct xfrm_state *x, struct sk_buff *skb); +extern void xfrm_local_error(struct sk_buff *skb, int mtu); extern int xfrm4_extract_header(struct sk_buff *skb); extern int xfrm4_extract_input(struct xfrm_state *x, struct sk_buff *skb); extern int xfrm4_rcv_encap(struct sk_buff *skb, int nexthdr, __be32 spi, @@ -1497,6 +1501,7 @@ extern int xfrm4_tunnel_register(struct xfrm_tunnel *handler, unsigned short fam extern int xfrm4_tunnel_deregister(struct xfrm_tunnel *handler, unsigned short family); extern int xfrm4_mode_tunnel_input_register(struct xfrm_tunnel *handler); extern int xfrm4_mode_tunnel_input_deregister(struct xfrm_tunnel *handler); +extern void xfrm4_local_error(struct sk_buff *skb, u32 mtu); extern int xfrm6_extract_header(struct sk_buff *skb); extern int xfrm6_extract_input(struct xfrm_state *x, struct sk_buff *skb); extern int xfrm6_rcv_spi(struct sk_buff *skb, int nexthdr, __be32 spi); @@ -1514,6 +1519,7 @@ extern int xfrm6_output(struct sk_buff *skb); extern int xfrm6_output_finish(struct sk_buff *skb); extern int xfrm6_find_1stfragopt(struct xfrm_state *x, struct sk_buff *skb, u8 **prevhdr); +extern void xfrm6_local_error(struct sk_buff *skb, u32 mtu); #ifdef CONFIG_XFRM extern int xfrm4_udp_encap_rcv(struct sock *sk, struct sk_buff *skb); |