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mptcp: add the mibs for MP_RST 

This patch added two more mibs for MP_RST, MPTCP_MIB_MPRSTTX for
the MP_RST sending and MPTCP_MIB_MPRSTRX for the MP_RST receiving.

Signed-off-by: Geliang Tang <geliang.tang@suse.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Geliang Tang 2022-03-04 11:36:29 -08:00 committed by Jakub Kicinski
parent e8e947ef50
commit e40dd439d6
3 changed files with 6 additions and 0 deletions
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2
net/mptcp/mib.c
View File

@ -50,6 +50,8 @@ static const struct snmp_mib mptcp_snmp_list[] = {
SNMP_MIB_ITEM("MPFailRx", MPTCP_MIB_MPFAILRX), SNMP_MIB_ITEM("MPFailRx", MPTCP_MIB_MPFAILRX),
SNMP_MIB_ITEM("MPFastcloseTx", MPTCP_MIB_MPFASTCLOSETX), SNMP_MIB_ITEM("MPFastcloseTx", MPTCP_MIB_MPFASTCLOSETX),
SNMP_MIB_ITEM("MPFastcloseRx", MPTCP_MIB_MPFASTCLOSERX), SNMP_MIB_ITEM("MPFastcloseRx", MPTCP_MIB_MPFASTCLOSERX),
SNMP_MIB_ITEM("MPRstTx", MPTCP_MIB_MPRSTTX),
SNMP_MIB_ITEM("MPRstRx", MPTCP_MIB_MPRSTRX),
SNMP_MIB_ITEM("RcvPruned", MPTCP_MIB_RCVPRUNED), SNMP_MIB_ITEM("RcvPruned", MPTCP_MIB_RCVPRUNED),
SNMP_MIB_ITEM("SubflowStale", MPTCP_MIB_SUBFLOWSTALE), SNMP_MIB_ITEM("SubflowStale", MPTCP_MIB_SUBFLOWSTALE),
SNMP_MIB_ITEM("SubflowRecover", MPTCP_MIB_SUBFLOWRECOVER), SNMP_MIB_ITEM("SubflowRecover", MPTCP_MIB_SUBFLOWRECOVER),

2
net/mptcp/mib.h
View File

@ -43,6 +43,8 @@ enum linux_mptcp_mib_field {
MPTCP_MIB_MPFAILRX, /* Received a MP_FAIL */ MPTCP_MIB_MPFAILRX, /* Received a MP_FAIL */
MPTCP_MIB_MPFASTCLOSETX, /* Transmit a MP_FASTCLOSE */ MPTCP_MIB_MPFASTCLOSETX, /* Transmit a MP_FASTCLOSE */
MPTCP_MIB_MPFASTCLOSERX, /* Received a MP_FASTCLOSE */ MPTCP_MIB_MPFASTCLOSERX, /* Received a MP_FASTCLOSE */
MPTCP_MIB_MPRSTTX, /* Transmit a MP_RST */
MPTCP_MIB_MPRSTRX, /* Received a MP_RST */
MPTCP_MIB_RCVPRUNED, /* Incoming packet dropped due to memory limit */ MPTCP_MIB_RCVPRUNED, /* Incoming packet dropped due to memory limit */
MPTCP_MIB_SUBFLOWSTALE, /* Subflows entered 'stale' status */ MPTCP_MIB_SUBFLOWSTALE, /* Subflows entered 'stale' status */
MPTCP_MIB_SUBFLOWRECOVER, /* Subflows returned to active status after being stale */ MPTCP_MIB_SUBFLOWRECOVER, /* Subflows returned to active status after being stale */

2
net/mptcp/options.c
View File

@ -839,6 +839,7 @@ bool mptcp_established_options(struct sock *sk, struct sk_buff *skb,
if (mptcp_established_options_rst(sk, skb, &opt_size, remaining, opts)) { if (mptcp_established_options_rst(sk, skb, &opt_size, remaining, opts)) {
*size += opt_size; *size += opt_size;
remaining -= opt_size; remaining -= opt_size;
MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_MPRSTTX);
} }
return true; return true;
} }
@ -1161,6 +1162,7 @@ bool mptcp_incoming_options(struct sock *sk, struct sk_buff *skb)
subflow->reset_seen = 1; subflow->reset_seen = 1;
subflow->reset_reason = mp_opt.reset_reason; subflow->reset_reason = mp_opt.reset_reason;
subflow->reset_transient = mp_opt.reset_transient; subflow->reset_transient = mp_opt.reset_transient;
MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_MPRSTRX);
} }
if (!(mp_opt.suboptions & OPTION_MPTCP_DSS)) if (!(mp_opt.suboptions & OPTION_MPTCP_DSS))