Commit 104125b8 authored by Geliang Tang's avatar Geliang Tang Committed by David S. Miller
Browse files

mptcp: add mib for infinite map sending 



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

Signed-off-by: default avatarGeliang Tang <geliang.tang@suse.com>
Signed-off-by: default avatarMat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent f8d4bcac

net/mptcp/mib.c

+1 −0
Original line number Diff line number Diff line
@@ -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),

net/mptcp/mib.h

+1 −0
Original line number Diff line number Diff line
@@ -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 */

net/mptcp/protocol.c

+1 −0
Original line number Diff line number Diff line
@@ -1239,6 +1239,7 @@ static void mptcp_update_infinite_map(struct mptcp_sock *msk, 
	mpext->infinite_map = 1;

	mpext->data_len = 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);