From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Zijlstra Subject: [PATCH 13/33] net: wrap sk->sk_backlog_rcv() Date: Tue, 30 Oct 2007 17:04:14 +0100 Message-ID: <20071030160913.278367000@chello.nl> References: <20071030160401.296770000@chello.nl> Cc: Peter Zijlstra To: Linus Torvalds , Andrew Morton , linux-kernel@vger.kernel.org, linux-mm@kvack.org, netdev@vger.kernel.org, trond.myklebust@fys.uio.no Return-path: Received: from mx1.redhat.com ([66.187.233.31]:47072 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755981AbXJ3QOL (ORCPT ); Tue, 30 Oct 2007 12:14:11 -0400 Content-Disposition: inline; filename=net-backlog.patch Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Wrap calling sk->sk_backlog_rcv() in a function. This will allow extending the generic sk_backlog_rcv behaviour. Signed-off-by: Peter Zijlstra --- include/net/sock.h | 5 +++++ net/core/sock.c | 4 ++-- net/ipv4/tcp.c | 2 +- net/ipv4/tcp_timer.c | 2 +- 4 files changed, 9 insertions(+), 4 deletions(-) Index: linux-2.6/include/net/sock.h =================================================================== --- linux-2.6.orig/include/net/sock.h +++ linux-2.6/include/net/sock.h @@ -485,6 +485,11 @@ static inline void sk_add_backlog(struct skb->next = NULL; } +static inline int sk_backlog_rcv(struct sock *sk, struct sk_buff *skb) +{ + return sk->sk_backlog_rcv(sk, skb); +} + #define sk_wait_event(__sk, __timeo, __condition) \ ({ int __rc; \ release_sock(__sk); \ Index: linux-2.6/net/core/sock.c =================================================================== --- linux-2.6.orig/net/core/sock.c +++ linux-2.6/net/core/sock.c @@ -320,7 +320,7 @@ int sk_receive_skb(struct sock *sk, stru */ mutex_acquire(&sk->sk_lock.dep_map, 0, 1, _RET_IP_); - rc = sk->sk_backlog_rcv(sk, skb); + rc = sk_backlog_rcv(sk, skb); mutex_release(&sk->sk_lock.dep_map, 1, _RET_IP_); } else @@ -1312,7 +1312,7 @@ static void __release_sock(struct sock * struct sk_buff *next = skb->next; skb->next = NULL; - sk->sk_backlog_rcv(sk, skb); + sk_backlog_rcv(sk, skb); /* * We are in process context here with softirqs Index: linux-2.6/net/ipv4/tcp.c =================================================================== --- linux-2.6.orig/net/ipv4/tcp.c +++ linux-2.6/net/ipv4/tcp.c @@ -1134,7 +1134,7 @@ static void tcp_prequeue_process(struct * necessary */ local_bh_disable(); while ((skb = __skb_dequeue(&tp->ucopy.prequeue)) != NULL) - sk->sk_backlog_rcv(sk, skb); + sk_backlog_rcv(sk, skb); local_bh_enable(); /* Clear memory counter. */ Index: linux-2.6/net/ipv4/tcp_timer.c =================================================================== --- linux-2.6.orig/net/ipv4/tcp_timer.c +++ linux-2.6/net/ipv4/tcp_timer.c @@ -196,7 +196,7 @@ static void tcp_delack_timer(unsigned lo NET_INC_STATS_BH(LINUX_MIB_TCPSCHEDULERFAILED); while ((skb = __skb_dequeue(&tp->ucopy.prequeue)) != NULL) - sk->sk_backlog_rcv(sk, skb); + sk_backlog_rcv(sk, skb); tp->ucopy.memory = 0; } --