| Message ID | 1359656646-29339-1-git-send-email-subramanian.vijay@gmail.com |
|---|---|
| State | Accepted, archived |
| Delegated to: | David Miller |
| Headers | show |
From: Vijay Subramanian <subramanian.vijay@gmail.com> Date: Thu, 31 Jan 2013 10:24:06 -0800 > This patch updates LINUX_MIB_LISTENDROPS in tcp_v4_conn_request() and > tcp_v4_err(). tcp_v4_conn_request() in particular can drop SYNs for various > reasons which are not currently tracked. > > Signed-off-by: Vijay Subramanian <subramanian.vijay@gmail.com> Applied. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 629937d..eadb693 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -496,6 +496,7 @@ void tcp_v4_err(struct sk_buff *icmp_skb, u32 info) * errors returned from accept(). */ inet_csk_reqsk_queue_drop(sk, req, prev); + NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_LISTENDROPS); goto out; case TCP_SYN_SENT: @@ -1502,7 +1503,6 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb) */ if (sk_acceptq_is_full(sk) && inet_csk_reqsk_queue_young(sk) > 1) { NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_LISTENOVERFLOWS); - NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_LISTENDROPS); goto drop; } @@ -1669,6 +1669,7 @@ drop_and_release: drop_and_free: reqsk_free(req); drop: + NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_LISTENDROPS); return 0; } EXPORT_SYMBOL(tcp_v4_conn_request);
This patch updates LINUX_MIB_LISTENDROPS in tcp_v4_conn_request() and tcp_v4_err(). tcp_v4_conn_request() in particular can drop SYNs for various reasons which are not currently tracked. Signed-off-by: Vijay Subramanian <subramanian.vijay@gmail.com> --- Changes from V1: Removed one needless update to ListenOverflows. net/ipv4/tcp_ipv4.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-)