diff options
| author | Octavian Purdila <octavian.purdila@intel.com> | 2014-06-25 18:09:54 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-06-28 02:53:35 +0400 |
| commit | fb7b37a7f3d6f7b7ba05ee526fee96810d5b92a8 (patch) | |
| tree | 9749a1ad29bee83b3adaaa41759e9c6b72536691 /include/net/tcp.h | |
| parent | 16bea70aa7302b6f3bf3502d5a0efb4ea2ce4712 (diff) | |
| download | linux-fb7b37a7f3d6f7b7ba05ee526fee96810d5b92a8.tar.xz | |
tcp: add init_cookie_seq method to tcp_request_sock_ops
Move the specific IPv4/IPv6 cookie sequence initialization to a new
method in tcp_request_sock_ops in preparation for unifying
tcp_v4_conn_request and tcp_v6_conn_request.
Signed-off-by: Octavian Purdila <octavian.purdila@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/tcp.h')
| -rw-r--r-- | include/net/tcp.h | 34 |
1 files changed, 20 insertions, 14 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h index 7ad8ce296c3b..086d00ec6d8b 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -495,13 +495,6 @@ u32 __cookie_v4_init_sequence(const struct iphdr *iph, const struct tcphdr *th, u16 *mssp); __u32 cookie_v4_init_sequence(struct sock *sk, const struct sk_buff *skb, __u16 *mss); -#else -static inline __u32 cookie_v4_init_sequence(struct sock *sk, - const struct sk_buff *skb, - __u16 *mss) -{ - return 0; -} #endif __u32 cookie_init_timestamp(struct request_sock *req); @@ -517,13 +510,6 @@ u32 __cookie_v6_init_sequence(const struct ipv6hdr *iph, const struct tcphdr *th, u16 *mssp); __u32 cookie_v6_init_sequence(struct sock *sk, const struct sk_buff *skb, __u16 *mss); -#else -static inline __u32 cookie_v6_init_sequence(struct sock *sk, - struct sk_buff *skb, - __u16 *mss) -{ - return 0; -} #endif /* tcp_output.c */ @@ -1615,8 +1601,28 @@ struct tcp_request_sock_ops { #endif void (*init_req)(struct request_sock *req, struct sock *sk, struct sk_buff *skb); +#ifdef CONFIG_SYN_COOKIES + __u32 (*cookie_init_seq)(struct sock *sk, const struct sk_buff *skb, + __u16 *mss); +#endif }; +#ifdef CONFIG_SYN_COOKIES +static inline __u32 cookie_init_sequence(const struct tcp_request_sock_ops *ops, + struct sock *sk, struct sk_buff *skb, + __u16 *mss) +{ + return ops->cookie_init_seq(sk, skb, mss); +} +#else +static inline __u32 cookie_init_sequence(const struct tcp_request_sock_ops *ops, + struct sock *sk, struct sk_buff *skb, + __u16 *mss) +{ + return 0; +} +#endif + int tcpv4_offload_init(void); void tcp_v4_init(void); |