From 0b040829952d84bf2a62526f0e24b624e0699447 Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Tue, 10 Jun 2008 22:46:50 -0700 Subject: net: remove CVS keywords This patch removes CVS keywords that weren't updated for a long time from comments. Signed-off-by: Adrian Bunk Signed-off-by: David S. Miller --- net/ipv4/tcp_timer.c | 2 -- 1 file changed, 2 deletions(-) (limited to 'net/ipv4/tcp_timer.c') diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c index 4de68cf5f2aa..e77e7ae0bf2c 100644 --- a/net/ipv4/tcp_timer.c +++ b/net/ipv4/tcp_timer.c @@ -5,8 +5,6 @@ * * Implementation of the Transmission Control Protocol(TCP). * - * Version: $Id: tcp_timer.c,v 1.88 2002/02/01 22:01:04 davem Exp $ - * * Authors: Ross Biro * Fred N. van Kempen, * Mark Evans, -- cgit v1.2.3 From 40b215e594b65a3488576c9d24b367548e18902a Mon Sep 17 00:00:00 2001 From: Pavel Emelyanov Date: Thu, 3 Jul 2008 01:05:41 -0700 Subject: tcp: de-bloat a bit with factoring NET_INC_STATS_BH out There are some places in TCP that select one MIB index to bump snmp statistics like this: if () NET_INC_STATS_BH(); else if () NET_INC_STATS_BH(); ... else NET_INC_STATS_BH(); or in a more tricky but still similar way. On the other hand, this NET_INC_STATS_BH is a camouflaged increment of percpu variable, which is not that small. Factoring those cases out de-bloats 235 bytes on non-preemptible i386 config and drives parts of the code into 80 columns. add/remove: 0/0 grow/shrink: 0/7 up/down: 0/-235 (-235) function old new delta tcp_fastretrans_alert 1437 1424 -13 tcp_dsack_set 137 124 -13 tcp_xmit_retransmit_queue 690 676 -14 tcp_try_undo_recovery 283 265 -18 tcp_sacktag_write_queue 1550 1515 -35 tcp_update_reordering 162 106 -56 tcp_retransmit_timer 990 904 -86 Signed-off-by: Pavel Emelyanov Signed-off-by: David S. Miller --- net/ipv4/tcp_timer.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) (limited to 'net/ipv4/tcp_timer.c') diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c index 3e358cbb1247..6a480d1fd8f6 100644 --- a/net/ipv4/tcp_timer.c +++ b/net/ipv4/tcp_timer.c @@ -326,24 +326,27 @@ static void tcp_retransmit_timer(struct sock *sk) goto out; if (icsk->icsk_retransmits == 0) { + int mib_idx; + if (icsk->icsk_ca_state == TCP_CA_Disorder || icsk->icsk_ca_state == TCP_CA_Recovery) { if (tcp_is_sack(tp)) { if (icsk->icsk_ca_state == TCP_CA_Recovery) - NET_INC_STATS_BH(LINUX_MIB_TCPSACKRECOVERYFAIL); + mib_idx = LINUX_MIB_TCPSACKRECOVERYFAIL; else - NET_INC_STATS_BH(LINUX_MIB_TCPSACKFAILURES); + mib_idx = LINUX_MIB_TCPSACKFAILURES; } else { if (icsk->icsk_ca_state == TCP_CA_Recovery) - NET_INC_STATS_BH(LINUX_MIB_TCPRENORECOVERYFAIL); + mib_idx = LINUX_MIB_TCPRENORECOVERYFAIL; else - NET_INC_STATS_BH(LINUX_MIB_TCPRENOFAILURES); + mib_idx = LINUX_MIB_TCPRENOFAILURES; } } else if (icsk->icsk_ca_state == TCP_CA_Loss) { - NET_INC_STATS_BH(LINUX_MIB_TCPLOSSFAILURES); + mib_idx = LINUX_MIB_TCPLOSSFAILURES; } else { - NET_INC_STATS_BH(LINUX_MIB_TCPTIMEOUTS); + mib_idx = LINUX_MIB_TCPTIMEOUTS; } + NET_INC_STATS_BH(mib_idx); } if (tcp_use_frto(sk)) { -- cgit v1.2.3 From de0744af1fe2d0a3d428f6af0f2fe1f6179b1a9c Mon Sep 17 00:00:00 2001 From: Pavel Emelyanov Date: Wed, 16 Jul 2008 20:31:16 -0700 Subject: mib: add net to NET_INC_STATS_BH Signed-off-by: Pavel Emelyanov Signed-off-by: David S. Miller --- net/ipv4/tcp_timer.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) (limited to 'net/ipv4/tcp_timer.c') diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c index 6a480d1fd8f6..328e0cf42b3c 100644 --- a/net/ipv4/tcp_timer.c +++ b/net/ipv4/tcp_timer.c @@ -48,7 +48,7 @@ static void tcp_write_err(struct sock *sk) sk->sk_error_report(sk); tcp_done(sk); - NET_INC_STATS_BH(LINUX_MIB_TCPABORTONTIMEOUT); + NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPABORTONTIMEOUT); } /* Do not allow orphaned sockets to eat all our resources. @@ -89,7 +89,7 @@ static int tcp_out_of_resources(struct sock *sk, int do_reset) if (do_reset) tcp_send_active_reset(sk, GFP_ATOMIC); tcp_done(sk); - NET_INC_STATS_BH(LINUX_MIB_TCPABORTONMEMORY); + NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPABORTONMEMORY); return 1; } return 0; @@ -179,7 +179,7 @@ static void tcp_delack_timer(unsigned long data) if (sock_owned_by_user(sk)) { /* Try again later. */ icsk->icsk_ack.blocked = 1; - NET_INC_STATS_BH(LINUX_MIB_DELAYEDACKLOCKED); + NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_DELAYEDACKLOCKED); sk_reset_timer(sk, &icsk->icsk_delack_timer, jiffies + TCP_DELACK_MIN); goto out_unlock; } @@ -198,7 +198,7 @@ static void tcp_delack_timer(unsigned long data) if (!skb_queue_empty(&tp->ucopy.prequeue)) { struct sk_buff *skb; - NET_INC_STATS_BH(LINUX_MIB_TCPSCHEDULERFAILED); + NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPSCHEDULERFAILED); while ((skb = __skb_dequeue(&tp->ucopy.prequeue)) != NULL) sk->sk_backlog_rcv(sk, skb); @@ -218,7 +218,7 @@ static void tcp_delack_timer(unsigned long data) icsk->icsk_ack.ato = TCP_ATO_MIN; } tcp_send_ack(sk); - NET_INC_STATS_BH(LINUX_MIB_DELAYEDACKS); + NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_DELAYEDACKS); } TCP_CHECK_TIMER(sk); @@ -346,7 +346,7 @@ static void tcp_retransmit_timer(struct sock *sk) } else { mib_idx = LINUX_MIB_TCPTIMEOUTS; } - NET_INC_STATS_BH(mib_idx); + NET_INC_STATS_BH(sock_net(sk), mib_idx); } if (tcp_use_frto(sk)) { -- cgit v1.2.3