1 files changed, 9 insertions, 16 deletions

diff --git a/include/net/tcp.h b/include/net/tcp.h
index 70e55d200610..743accec6c76 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -282,6 +282,7 @@ extern int sysctl_tcp_limit_output_bytes;
 extern int sysctl_tcp_challenge_ack_limit;
 extern unsigned int sysctl_tcp_notsent_lowat;
 extern int sysctl_tcp_min_tso_segs;
+extern int sysctl_tcp_autocorking;
 
 extern atomic_long_t tcp_memory_allocated;
 extern struct percpu_counter tcp_sockets_allocated;
@@ -467,7 +468,6 @@ struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst,
                                 struct tcp_fastopen_cookie *foc);
 int tcp_disconnect(struct sock *sk, int flags);
 
-void tcp_connect_init(struct sock *sk);
 void tcp_finish_connect(struct sock *sk, struct sk_buff *skb);
 int tcp_send_rcvq(struct sock *sk, struct msghdr *msg, size_t size);
 void inet_sk_rx_dst_set(struct sock *sk, const struct sk_buff *skb);
@@ -480,20 +480,21 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb,
 #ifdef CONFIG_SYN_COOKIES
 #include <linux/ktime.h>
 
-/* Syncookies use a monotonic timer which increments every 64 seconds.
+/* Syncookies use a monotonic timer which increments every 60 seconds.
  * This counter is used both as a hash input and partially encoded into
  * the cookie value.  A cookie is only validated further if the delta
  * between the current counter value and the encoded one is less than this,
- * i.e. a sent cookie is valid only at most for 128 seconds (or less if
+ * i.e. a sent cookie is valid only at most for 2*60 seconds (or less if
  * the counter advances immediately after a cookie is generated).
  */
 #define MAX_SYNCOOKIE_AGE 2
 
 static inline u32 tcp_cookie_time(void)
 {
-        struct timespec now;
-        getnstimeofday(&now);
-        return now.tv_sec >> 6; /* 64 seconds granularity */
+        u64 val = get_jiffies_64();
+
+        do_div(val, 60 * HZ);
+        return val;
 }
 
 u32 __cookie_v4_init_sequence(const struct iphdr *iph, const struct tcphdr *th,
@@ -622,8 +623,6 @@ static inline u32 __tcp_set_rto(const struct tcp_sock *tp)
         return (tp->srtt >> 3) + tp->rttvar;
 }
 
-void tcp_set_rto(struct sock *sk);
-
 static inline void __tcp_fast_path_on(struct tcp_sock *tp, u32 snd_wnd)
 {
         tp->pred_flags = htonl((tp->tcp_header_len << 26) |
@@ -977,13 +976,6 @@ static inline u32 tcp_wnd_end(const struct tcp_sock *tp)
 }
 bool tcp_is_cwnd_limited(const struct sock *sk, u32 in_flight);
 
-static inline void tcp_minshall_update(struct tcp_sock *tp, unsigned int mss,
-                                       const struct sk_buff *skb)
-{
-        if (skb->len < mss)
-                tp->snd_sml = TCP_SKB_CB(skb)->end_seq;
-}
-
 static inline void tcp_check_probe_timer(struct sock *sk)
 {
         const struct tcp_sock *tp = tcp_sk(sk);
@@ -1312,7 +1304,8 @@ struct tcp_fastopen_request {
         /* Fast Open cookie. Size 0 means a cookie request */
         struct tcp_fastopen_cookie      cookie;
         struct msghdr                   *data;  /* data in MSG_FASTOPEN */
-        u16                             copied; /* queued in tcp_connect() */
+        size_t                          size;
+        int                             copied; /* queued in tcp_connect() */
 };
 void tcp_free_fastopen_req(struct tcp_sock *tp);