From 912d8f0b1f17b7e851ebbfeb17a16de9f9c7cb88 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Ilpo=20J=C3=A4rvinen?= Date: Tue, 25 Sep 2007 22:47:31 -0700 Subject: [PATCH] [TCP] MIB: Count FRTO's successfully detected spurious RTOs MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Ilpo Järvinen Signed-off-by: David S. Miller --- include/linux/snmp.h | 1 + net/ipv4/proc.c | 1 + net/ipv4/tcp_input.c | 1 + 3 files changed, 3 insertions(+) diff --git a/include/linux/snmp.h b/include/linux/snmp.h index d8fd3ec414..89f0c2b5f4 100644 --- a/include/linux/snmp.h +++ b/include/linux/snmp.h @@ -213,6 +213,7 @@ enum LINUX_MIB_TCPSACKDISCARD, /* TCPSACKDiscard */ LINUX_MIB_TCPDSACKIGNOREDOLD, /* TCPSACKIgnoredOld */ LINUX_MIB_TCPDSACKIGNOREDNOUNDO, /* TCPSACKIgnoredNoUndo */ + LINUX_MIB_TCPSPURIOUSRTOS, /* TCPSpuriousRTOs */ __LINUX_MIB_MAX }; diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c index 2015148b41..9dee70e1cf 100644 --- a/net/ipv4/proc.c +++ b/net/ipv4/proc.c @@ -245,6 +245,7 @@ static const struct snmp_mib snmp4_net_list[] = { SNMP_MIB_ITEM("TCPSACKDiscard", LINUX_MIB_TCPSACKDISCARD), SNMP_MIB_ITEM("TCPDSACKIgnoredOld", LINUX_MIB_TCPDSACKIGNOREDOLD), SNMP_MIB_ITEM("TCPDSACKIgnoredNoUndo", LINUX_MIB_TCPDSACKIGNOREDNOUNDO), + SNMP_MIB_ITEM("TCPSpuriousRTOs", LINUX_MIB_TCPSPURIOUSRTOS), SNMP_MIB_SENTINEL }; diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 4866e75e98..4b27739031 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -2935,6 +2935,7 @@ static int tcp_process_frto(struct sock *sk, int flag) } tp->frto_counter = 0; tp->undo_marker = 0; + NET_INC_STATS_BH(LINUX_MIB_TCPSPURIOUSRTOS); } return 0; } -- 2.39.5