From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: [PATCH] tcp: tcp_prequeue() cleanup Date: Thu, 07 May 2009 19:08:38 +0200 Message-ID: <4A031596.4020904@cosmosbay.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: Linux Netdev List To: "David S. Miller" Return-path: Received: from gw1.cosmosbay.com ([212.99.114.194]:43524 "EHLO gw1.cosmosbay.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751123AbZEGRIp (ORCPT ); Thu, 7 May 2009 13:08:45 -0400 Sender: netdev-owner@vger.kernel.org List-ID: Small cleanup patch to reduce line lengths, before a change in tcp_prequeue(). Signed-off-by: Eric Dumazet diff --git a/include/net/tcp.h b/include/net/tcp.h index b55b489..ac37228 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -890,30 +890,31 @@ static inline int tcp_prequeue(struct sock *sk, struct sk_buff *skb) { struct tcp_sock *tp = tcp_sk(sk); - if (!sysctl_tcp_low_latency && tp->ucopy.task) { - __skb_queue_tail(&tp->ucopy.prequeue, skb); - tp->ucopy.memory += skb->truesize; - if (tp->ucopy.memory > sk->sk_rcvbuf) { - struct sk_buff *skb1; - - BUG_ON(sock_owned_by_user(sk)); - - while ((skb1 = __skb_dequeue(&tp->ucopy.prequeue)) != NULL) { - sk_backlog_rcv(sk, skb1); - NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPPREQUEUEDROPPED); - } - - tp->ucopy.memory = 0; - } else if (skb_queue_len(&tp->ucopy.prequeue) == 1) { - wake_up_interruptible(sk->sk_sleep); - if (!inet_csk_ack_scheduled(sk)) - inet_csk_reset_xmit_timer(sk, ICSK_TIME_DACK, - (3 * TCP_RTO_MIN) / 4, - TCP_RTO_MAX); + if (sysctl_tcp_low_latency || !tp->ucopy.task) + return 0; + + __skb_queue_tail(&tp->ucopy.prequeue, skb); + tp->ucopy.memory += skb->truesize; + if (tp->ucopy.memory > sk->sk_rcvbuf) { + struct sk_buff *skb1; + + BUG_ON(sock_owned_by_user(sk)); + + while ((skb1 = __skb_dequeue(&tp->ucopy.prequeue)) != NULL) { + sk_backlog_rcv(sk, skb1); + NET_INC_STATS_BH(sock_net(sk), + LINUX_MIB_TCPPREQUEUEDROPPED); } - return 1; + + tp->ucopy.memory = 0; + } else if (skb_queue_len(&tp->ucopy.prequeue) == 1) { + wake_up_interruptible(sk->sk_sleep); + if (!inet_csk_ack_scheduled(sk)) + inet_csk_reset_xmit_timer(sk, ICSK_TIME_DACK, + (3 * TCP_RTO_MIN) / 4, + TCP_RTO_MAX); } - return 0; + return 1; }