diff options
Diffstat (limited to 'include/net/ip.h')
| -rw-r--r-- | include/net/ip.h | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/include/net/ip.h b/include/net/ip.h index f49b3a576bec..ecffd843e7b8 100644 --- a/include/net/ip.h +++ b/include/net/ip.h @@ -91,6 +91,17 @@ static inline int inet_sdif(struct sk_buff *skb) return 0; } +/* Special input handler for packets caught by router alert option. + They are selected only by protocol field, and then processed likely + local ones; but only if someone wants them! Otherwise, router + not running rsvpd will kill RSVP. + + It is user level problem, what it will make with them. + I have no idea, how it will masquearde or NAT them (it is joke, joke :-)), + but receiver should be enough clever f.e. to forward mtrace requests, + sent to multicast group to reach destination designated router. + */ + struct ip_ra_chain { struct ip_ra_chain __rcu *next; struct sock *sk; @@ -101,8 +112,6 @@ struct ip_ra_chain { struct rcu_head rcu; }; -extern struct ip_ra_chain __rcu *ip_ra_chain; - /* IP flags. */ #define IP_CE 0x8000 /* Flag: "Congestion" */ #define IP_DF 0x4000 /* Flag: "Don't Fragment" */ @@ -186,15 +195,15 @@ int ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len); void ip4_datagram_release_cb(struct sock *sk); struct ip_reply_arg { - struct kvec iov[1]; + struct kvec iov[1]; int flags; __wsum csum; int csumoffset; /* u16 offset of csum in iov[0].iov_base */ - /* -1 if not needed */ + /* -1 if not needed */ int bound_dev_if; u8 tos; kuid_t uid; -}; +}; #define IP_REPLY_ARG_NOSRCCHECK 1 @@ -579,18 +588,17 @@ static inline struct sk_buff *ip_check_defrag(struct net *net, struct sk_buff *s return skb; } #endif -int ip_frag_mem(struct net *net); /* * Functions provided by ip_forward.c */ - + int ip_forward(struct sk_buff *skb); - + /* * Functions provided by ip_options.c */ - + void ip_options_build(struct sk_buff *skb, struct ip_options *opt, __be32 daddr, struct rtable *rt, int is_frag); |