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From: Geliang Tang <geliangtang@gmail.com>
To: mptcp@lists.linux.dev
Cc: Geliang Tang <geliangtang@gmail.com>
Subject: [PATCH mptcp-next v3 6/8] mptcp: add mib for infinite map sending
Date: Tue, 14 Sep 2021 17:19:05 +0800	[thread overview]
Message-ID: <e8066a60857ef0aba78e17c15cb90664317f0603.1631610729.git.geliangtang@gmail.com> (raw)
In-Reply-To: <cover.1631610729.git.geliangtang@gmail.com>

This patch added a new mib named MPTCP_MIB_INFINITEMAPTX, increase it
when a infinite mapping has been sent out.

Signed-off-by: Geliang Tang <geliangtang@gmail.com>
---
 net/mptcp/mib.c      | 1 +
 net/mptcp/mib.h      | 1 +
 net/mptcp/protocol.c | 1 +
 3 files changed, 3 insertions(+)

diff --git a/net/mptcp/mib.c b/net/mptcp/mib.c
index b21ff9be04c6..ab55afdcae22 100644
--- a/net/mptcp/mib.c
+++ b/net/mptcp/mib.c
@@ -24,6 +24,7 @@ static const struct snmp_mib mptcp_snmp_list[] = {
 	SNMP_MIB_ITEM("MPJoinAckRx", MPTCP_MIB_JOINACKRX),
 	SNMP_MIB_ITEM("MPJoinAckHMacFailure", MPTCP_MIB_JOINACKMAC),
 	SNMP_MIB_ITEM("DSSNotMatching", MPTCP_MIB_DSSNOMATCH),
+	SNMP_MIB_ITEM("InfiniteMapTx", MPTCP_MIB_INFINITEMAPTX),
 	SNMP_MIB_ITEM("InfiniteMapRx", MPTCP_MIB_INFINITEMAPRX),
 	SNMP_MIB_ITEM("DSSNoMatchTCP", MPTCP_MIB_DSSTCPMISMATCH),
 	SNMP_MIB_ITEM("DataCsumErr", MPTCP_MIB_DATACSUMERR),
diff --git a/net/mptcp/mib.h b/net/mptcp/mib.h
index ecd3d8b117e0..7901f1338d15 100644
--- a/net/mptcp/mib.h
+++ b/net/mptcp/mib.h
@@ -17,6 +17,7 @@ enum linux_mptcp_mib_field {
 	MPTCP_MIB_JOINACKRX,		/* Received an ACK + MP_JOIN */
 	MPTCP_MIB_JOINACKMAC,		/* HMAC was wrong on ACK + MP_JOIN */
 	MPTCP_MIB_DSSNOMATCH,		/* Received a new mapping that did not match the previous one */
+	MPTCP_MIB_INFINITEMAPTX,	/* Sent an infinite mapping */
 	MPTCP_MIB_INFINITEMAPRX,	/* Received an infinite mapping */
 	MPTCP_MIB_DSSTCPMISMATCH,	/* DSS-mapping did not map with TCP's sequence numbers */
 	MPTCP_MIB_DATACSUMERR,		/* The data checksum fail */
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index 77183e247e4d..48e0f55c9e45 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -1286,6 +1286,7 @@ static void mptcp_update_infinite_map(struct mptcp_sock *msk, struct sock *ssk,
 	mpext->data_len = 0;
 	mpext->csum = 0;
 
+	MPTCP_INC_STATS(sock_net(ssk), MPTCP_MIB_INFINITEMAPTX);
 	mptcp_subflow_ctx(ssk)->send_infinite_map = 0;
 	pr_fallback(msk);
 	__mptcp_do_fallback(msk);
-- 
2.31.1


  parent reply	other threads:[~2021-09-14  9:19 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-14  9:18 [PATCH mptcp-next v3 0/8] The infinite mapping support Geliang Tang
2021-09-14  9:19 ` [PATCH mptcp-next v3 1/8] mptcp: add mptcp_is_data_contiguous helper Geliang Tang
2021-09-14 15:32   ` Paolo Abeni
2021-09-15  0:37     ` Mat Martineau
2021-09-14  9:19 ` [PATCH mptcp-next v3 2/8] mptcp: add start_seq in the msk Geliang Tang
2021-09-14 15:40   ` Paolo Abeni
2021-09-14  9:19 ` [PATCH mptcp-next v3 3/8] mptcp: infinite mapping sending Geliang Tang
2021-09-14  9:19 ` [PATCH mptcp-next v3 4/8] mptcp: add the fallback check Geliang Tang
2021-09-14  9:19 ` [PATCH mptcp-next v3 5/8] mptcp: infinite mapping receiving Geliang Tang
2021-09-14  9:19 ` Geliang Tang [this message]
2021-09-14  9:19 ` [PATCH mptcp-next v3 7/8] selftests: mptcp: add infinite map mibs check Geliang Tang
2021-09-14  9:19 ` [PATCH mptcp-next v3 8/8] DO-NOT-MERGE: mptcp: mp_fail test Geliang Tang

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