Merge git://git.linux-xtensa.org/kernel/xtensa-feed

[linux-2.6] / include / net / tcp.h

diff --git a/include/net/tcp.h b/include/net/tcp.h
index e22b4f0305a339ce402b1e959ee0a64665fe2b1e..185c7ecce4cc159e845c3e9afa62a7facc7b8bea 100644 (file)
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -254,6 +254,12 @@ static inline int between(__u32 seq1, __u32 seq2, __u32 seq3)
        return seq3 - seq2 >= seq1 - seq2;
 }
 
+static inline int tcp_too_many_orphans(struct sock *sk, int num)
+{
+       return (num > sysctl_tcp_max_orphans) ||
+               (sk->sk_wmem_queued > SOCK_MIN_SNDBUF &&
+                atomic_read(&tcp_memory_allocated) > sysctl_tcp_mem[2]);
+}
 
 extern struct proto tcp_prot;
 
@@ -275,7 +281,7 @@ extern int                  tcp_v4_remember_stamp(struct sock *sk);
 
 extern int                     tcp_v4_tw_remember_stamp(struct inet_timewait_sock *tw);
 
-extern int                     tcp_sendmsg(struct kiocb *iocb, struct sock *sk,
+extern int                     tcp_sendmsg(struct kiocb *iocb, struct socket *sock,
                                            struct msghdr *msg, size_t size);
 extern ssize_t                 tcp_sendpage(struct socket *sock, struct page *page, int offset, size_t size, int flags);
 
@@ -646,8 +652,7 @@ struct tcp_congestion_ops {
        /* lower bound for congestion window (optional) */
        u32 (*min_cwnd)(const struct sock *sk);
        /* do new cwnd calculation (required) */
-       void (*cong_avoid)(struct sock *sk, u32 ack,
-                          u32 rtt, u32 in_flight, int good_ack);
+       void (*cong_avoid)(struct sock *sk, u32 ack, u32 in_flight, int good_ack);
        /* call before changing ca_state (optional) */
        void (*set_state)(struct sock *sk, u8 new_state);
        /* call when cwnd event occurs (optional) */
@@ -655,7 +660,7 @@ struct tcp_congestion_ops {
        /* new value of cwnd after loss (optional) */
        u32  (*undo_cwnd)(struct sock *sk);
        /* hook for packet ack accounting (optional) */
-       void (*pkts_acked)(struct sock *sk, u32 num_acked, ktime_t last);
+       void (*pkts_acked)(struct sock *sk, u32 num_acked, s32 rtt_us);
        /* get info for inet_diag (optional) */
        void (*get_info)(struct sock *sk, u32 ext, struct sk_buff *skb);
 
@@ -678,8 +683,7 @@ extern void tcp_slow_start(struct tcp_sock *tp);
 
 extern struct tcp_congestion_ops tcp_init_congestion_ops;
 extern u32 tcp_reno_ssthresh(struct sock *sk);
-extern void tcp_reno_cong_avoid(struct sock *sk, u32 ack,
-                               u32 rtt, u32 in_flight, int flag);
+extern void tcp_reno_cong_avoid(struct sock *sk, u32 ack, u32 in_flight, int flag);
 extern u32 tcp_reno_min_cwnd(const struct sock *sk);
 extern struct tcp_congestion_ops tcp_reno;