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authorIngo Molnar <mingo@elte.hu>2011-09-26 12:53:42 +0200
committerIngo Molnar <mingo@elte.hu>2011-09-26 12:54:28 +0200
commited3982cf3748b657ffb79d9d1c2e4a562661db2d (patch)
tree6e3654f460e23aa1b1512896aa3f03886a69be1b /include/net/tcp.h
parentcba9bd22a5f8f857534b9a7f3fb3cafa0ac5fb75 (diff)
parentd93dc5c4478c1fd5de85a3e8aece9aad7bbae044 (diff)
Merge commit 'v3.1-rc7' into perf/core
Merge reason: Pick up the latest upstream fixes. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/net/tcp.h')
-rw-r--r--include/net/tcp.h22
1 files changed, 21 insertions, 1 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 149a415d1e0a..acc620a4a45f 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -431,17 +431,34 @@ 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,
@@ -460,6 +477,9 @@ extern int tcp_write_wakeup(struct sock *);
extern void tcp_send_fin(struct sock *sk);
extern void tcp_send_active_reset(struct sock *sk, gfp_t priority);
extern int tcp_send_synack(struct sock *);
+extern int tcp_syn_flood_action(struct sock *sk,
+ const struct sk_buff *skb,
+ const char *proto);
extern void tcp_push_one(struct sock *, unsigned int mss_now);
extern void tcp_send_ack(struct sock *sk);
extern void tcp_send_delayed_ack(struct sock *sk);