diff options
Diffstat (limited to 'include/net/tcp.h')
| -rw-r--r-- | include/net/tcp.h | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h index e22b4f0305a..8b404b1ef7c 100644 --- 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; @@ -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) */ @@ -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; |