diff options
Diffstat (limited to 'net/ipv4/tcp_minisocks.c')
| -rw-r--r-- | net/ipv4/tcp_minisocks.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c index acb366dd61e6..4b95ec4ed2c8 100644 --- a/net/ipv4/tcp_minisocks.c +++ b/net/ipv4/tcp_minisocks.c @@ -235,7 +235,7 @@ kill: } if (paws_reject) - NET_INC_STATS_BH(twsk_net(tw), LINUX_MIB_PAWSESTABREJECTED); + __NET_INC_STATS(twsk_net(tw), LINUX_MIB_PAWSESTABREJECTED); if (!th->rst) { /* In this case we must reset the TIMEWAIT timer. @@ -337,7 +337,7 @@ void tcp_time_wait(struct sock *sk, int state, int timeo) * socket up. We've got bigger problems than * non-graceful socket closings. */ - NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPTIMEWAITOVERFLOW); + NET_INC_STATS(sock_net(sk), LINUX_MIB_TCPTIMEWAITOVERFLOW); } tcp_update_metrics(sk); @@ -545,7 +545,7 @@ struct sock *tcp_create_openreq_child(const struct sock *sk, newtp->rack.mstamp.v64 = 0; newtp->rack.advanced = 0; - TCP_INC_STATS_BH(sock_net(sk), TCP_MIB_PASSIVEOPENS); + __TCP_INC_STATS(sock_net(sk), TCP_MIB_PASSIVEOPENS); } return newsk; } @@ -704,10 +704,13 @@ struct sock *tcp_check_req(struct sock *sk, struct sk_buff *skb, if (paws_reject || !tcp_in_window(TCP_SKB_CB(skb)->seq, TCP_SKB_CB(skb)->end_seq, tcp_rsk(req)->rcv_nxt, tcp_rsk(req)->rcv_nxt + req->rsk_rcv_wnd)) { /* Out of window: send ACK and drop. */ - if (!(flg & TCP_FLAG_RST)) + if (!(flg & TCP_FLAG_RST) && + !tcp_oow_rate_limited(sock_net(sk), skb, + LINUX_MIB_TCPACKSKIPPEDSYNRECV, + &tcp_rsk(req)->last_oow_ack_time)) req->rsk_ops->send_ack(sk, skb, req); if (paws_reject) - NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_PAWSESTABREJECTED); + __NET_INC_STATS(sock_net(sk), LINUX_MIB_PAWSESTABREJECTED); return NULL; } @@ -726,7 +729,7 @@ struct sock *tcp_check_req(struct sock *sk, struct sk_buff *skb, * "fourth, check the SYN bit" */ if (flg & (TCP_FLAG_RST|TCP_FLAG_SYN)) { - TCP_INC_STATS_BH(sock_net(sk), TCP_MIB_ATTEMPTFAILS); + __TCP_INC_STATS(sock_net(sk), TCP_MIB_ATTEMPTFAILS); goto embryonic_reset; } @@ -749,7 +752,7 @@ struct sock *tcp_check_req(struct sock *sk, struct sk_buff *skb, if (req->num_timeout < inet_csk(sk)->icsk_accept_queue.rskq_defer_accept && TCP_SKB_CB(skb)->end_seq == tcp_rsk(req)->rcv_isn + 1) { inet_rsk(req)->acked = 1; - NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPDEFERACCEPTDROP); + __NET_INC_STATS(sock_net(sk), LINUX_MIB_TCPDEFERACCEPTDROP); return NULL; } @@ -788,7 +791,7 @@ embryonic_reset: } if (!fastopen) { inet_csk_reqsk_queue_drop(sk, req); - NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_EMBRYONICRSTS); + __NET_INC_STATS(sock_net(sk), LINUX_MIB_EMBRYONICRSTS); } return NULL; } |