diff options
| author | Eric Dumazet <eric.dumazet@gmail.com> | 2011-09-18 21:02:55 -0400 |
|---|---|---|
| committer | Andreas Blaesius <skate4life@gmx.de> | 2017-06-07 16:50:10 +0200 |
| commit | fadef34bea1bb6191b60ddf013731fa72928545b (patch) | |
| tree | 67197a3429d58b49b92399514a0dcb043dbdcc7b | |
| parent | 8394256bda828376f50e2c333eb38c743e9a4f69 (diff) | |
| download | kernel_samsung_espresso10-fadef34bea1bb6191b60ddf013731fa72928545b.tar.gz kernel_samsung_espresso10-fadef34bea1bb6191b60ddf013731fa72928545b.tar.bz2 kernel_samsung_espresso10-fadef34bea1bb6191b60ddf013731fa72928545b.zip | |
tcp: fix build error if !CONFIG_SYN_COOKIES
commit 946cedccbd7387 (tcp: Change possible SYN flooding messages)
added a build error if CONFIG_SYN_COOKIES=n
Change-Id: Ib3e9e3adb7055ba70569948c2f7e9779a74008b6
Reported-by: Markus Trippelsdorf <markus@trippelsdorf.de>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | include/net/tcp.h | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h index 26d653da367..111f7f3e00b 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -427,17 +427,34 @@ extern int tcp_disconnect(struct sock *sk, int flags); extern __u32 syncookie_secret[2][16-4+SHA_DIGEST_WORDS]; extern struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb, struct ip_options *opt); +#ifdef CONFIG_SYN_COOKIES extern __u32 cookie_v4_init_sequence(struct sock *sk, struct sk_buff *skb, __u16 *mss); +#else +static inline __u32 cookie_v4_init_sequence(struct sock *sk, + struct sk_buff *skb, + __u16 *mss) +{ + return 0; +} +#endif extern __u32 cookie_init_timestamp(struct request_sock *req); extern bool cookie_check_timestamp(struct tcp_options_received *opt, bool *); /* From net/ipv6/syncookies.c */ extern struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb); +#ifdef CONFIG_SYN_COOKIES extern __u32 cookie_v6_init_sequence(struct sock *sk, 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 */ extern void __tcp_push_pending_frames(struct sock *sk, unsigned int cur_mss, |