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From: Geliang Tang <geliangtang@gmail.com>
To: mptcp@lists.linux.dev
Cc: Geliang Tang <geliangtang@gmail.com>
Subject: [MPTCP][PATCH v4 mptcp-next 4/5] mptcp: add the mibs for MP_FAIL
Date: Wed, 14 Jul 2021 18:41:56 +0800	[thread overview]
Message-ID: <5df5b6ba135e5951c40056689f885e5101dd1abd.1626258797.git.geliangtang@gmail.com> (raw)
In-Reply-To: <779edc1afc2f4622d9cffbdf3f8ccccfcdfd33cb.1626258797.git.geliangtang@gmail.com>

This patch added the mibs for MP_FAIL: MPTCP_MIB_MPFAILTX and
MPTCP_MIB_MPFAILRX.

Signed-off-by: Geliang Tang <geliangtang@gmail.com>
---
 net/mptcp/mib.c     | 2 ++
 net/mptcp/mib.h     | 2 ++
 net/mptcp/options.c | 1 +
 net/mptcp/pm.c      | 1 +
 net/mptcp/subflow.c | 1 +
 5 files changed, 7 insertions(+)

diff --git a/net/mptcp/mib.c b/net/mptcp/mib.c
index ff2cc0e3273d..44d342c90121 100644
--- a/net/mptcp/mib.c
+++ b/net/mptcp/mib.c
@@ -44,6 +44,8 @@ static const struct snmp_mib mptcp_snmp_list[] = {
 	SNMP_MIB_ITEM("RmSubflow", MPTCP_MIB_RMSUBFLOW),
 	SNMP_MIB_ITEM("MPPrioTx", MPTCP_MIB_MPPRIOTX),
 	SNMP_MIB_ITEM("MPPrioRx", MPTCP_MIB_MPPRIORX),
+	SNMP_MIB_ITEM("MPFailTx", MPTCP_MIB_MPFAILTX),
+	SNMP_MIB_ITEM("MPFailRx", MPTCP_MIB_MPFAILRX),
 	SNMP_MIB_ITEM("RcvPruned", MPTCP_MIB_RCVPRUNED),
 	SNMP_MIB_SENTINEL
 };
diff --git a/net/mptcp/mib.h b/net/mptcp/mib.h
index 0663cb12b448..0db62d5d4e38 100644
--- a/net/mptcp/mib.h
+++ b/net/mptcp/mib.h
@@ -37,6 +37,8 @@ enum linux_mptcp_mib_field {
 	MPTCP_MIB_RMSUBFLOW,		/* Remove a subflow */
 	MPTCP_MIB_MPPRIOTX,		/* Transmit a MP_PRIO */
 	MPTCP_MIB_MPPRIORX,		/* Received a MP_PRIO */
+	MPTCP_MIB_MPFAILTX,		/* Transmit a MP_FAIL */
+	MPTCP_MIB_MPFAILRX,		/* Received a MP_FAIL */
 	MPTCP_MIB_RCVPRUNED,		/* Incoming packet dropped due to memory limit */
 	__MPTCP_MIB_MAX
 };
diff --git a/net/mptcp/options.c b/net/mptcp/options.c
index ed9a4a645459..9a2fa52c0bf0 100644
--- a/net/mptcp/options.c
+++ b/net/mptcp/options.c
@@ -1150,6 +1150,7 @@ bool mptcp_incoming_options(struct sock *sk, struct sk_buff *skb)
 
 	if (mp_opt.mp_fail) {
 		mptcp_pm_mp_fail_received(sk, mp_opt.fail_seq);
+		MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_MPFAILRX);
 		mp_opt.mp_fail = 0;
 	}
 
diff --git a/net/mptcp/pm.c b/net/mptcp/pm.c
index d4c19420194a..ccabe3b9e5ee 100644
--- a/net/mptcp/pm.c
+++ b/net/mptcp/pm.c
@@ -9,6 +9,7 @@
 #include <net/tcp.h>
 #include <net/mptcp.h>
 #include "protocol.h"
+#include "mib.h"
 
 /* path manager command handlers */
 
diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c
index 11a719fad718..5046ae431206 100644
--- a/net/mptcp/subflow.c
+++ b/net/mptcp/subflow.c
@@ -909,6 +909,7 @@ static enum mapping_status validate_data_csum(struct sock *ssk, struct sk_buff *
 	if (unlikely(csum_fold(csum))) {
 		MPTCP_INC_STATS(sock_net(ssk), MPTCP_MIB_DATACSUMERR);
 		subflow->send_mp_fail = 1;
+		MPTCP_INC_STATS(sock_net(ssk), MPTCP_MIB_MPFAILTX);
 		return subflow->mp_join ? MAPPING_INVALID : MAPPING_DUMMY;
 	}
 
-- 
2.31.1


  reply	other threads:[~2021-07-14 10:42 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-14 10:41 [MPTCP][PATCH v4 mptcp-next 0/5] MP_FAIL support Geliang Tang
2021-07-14 10:41 ` [MPTCP][PATCH v4 mptcp-next 1/5] mptcp: MP_FAIL suboption sending Geliang Tang
2021-07-14 10:41   ` [MPTCP][PATCH v4 mptcp-next 2/5] mptcp: MP_FAIL suboption receiving Geliang Tang
2021-07-14 10:41     ` [MPTCP][PATCH v4 mptcp-next 3/5] mptcp: send out MP_FAIL when data checksum fail Geliang Tang
2021-07-14 10:41       ` Geliang Tang [this message]
2021-07-14 10:41         ` [MPTCP][PATCH v4 mptcp-next 5/5] selftests: mptcp: add MP_FAIL mibs check Geliang Tang
2021-07-15  1:46       ` [MPTCP][PATCH v4 mptcp-next 3/5] mptcp: send out MP_FAIL when data checksum fail Mat Martineau

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