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mptcp: add the mibs for MP_PRIO 

This patch added the mibs for MP_PRIO, MPTCP_MIB_MPPRIOTX for transmitting
of the MP_PRIO suboption, and MPTCP_MIB_MPPRIORX for receiving of it.

Signed-off-by: Geliang Tang <geliangtang@gmail.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 2021-01-08 16:48:01 -08:00 committed by Jakub Kicinski
parent 6e8b244a3e
commit 0be2ac287b
4 changed files with 7 additions and 0 deletions
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2
net/mptcp/mib.c
View File

@ -31,6 +31,8 @@ static const struct snmp_mib mptcp_snmp_list[] = {
SNMP_MIB_ITEM("EchoAdd", MPTCP_MIB_ECHOADD),
SNMP_MIB_ITEM("RmAddr", MPTCP_MIB_RMADDR),
SNMP_MIB_ITEM("RmSubflow", MPTCP_MIB_RMSUBFLOW),
SNMP_MIB_ITEM("MPPrioTx", MPTCP_MIB_MPPRIOTX),
SNMP_MIB_ITEM("MPPrioRx", MPTCP_MIB_MPPRIORX),
SNMP_MIB_SENTINEL
};

2
net/mptcp/mib.h
View File

@ -24,6 +24,8 @@ enum linux_mptcp_mib_field {
MPTCP_MIB_ECHOADD, /* Received ADD_ADDR with echo-flag=1 */
MPTCP_MIB_RMADDR, /* Received RM_ADDR */
MPTCP_MIB_RMSUBFLOW, /* Remove a subflow */
MPTCP_MIB_MPPRIOTX, /* Transmit a MP_PRIO */
MPTCP_MIB_MPPRIORX, /* Received a MP_PRIO */
__MPTCP_MIB_MAX
};

1
net/mptcp/options.c
View File

@ -1034,6 +1034,7 @@ void mptcp_incoming_options(struct sock *sk, struct sk_buff *skb)
if (mp_opt.mp_prio) {
mptcp_pm_mp_prio_received(sk, mp_opt.backup);
MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_MPPRIORX);
mp_opt.mp_prio = 0;
}

2
net/mptcp/pm_netlink.c
View File

@ -452,6 +452,7 @@ int mptcp_pm_nl_mp_prio_send_ack(struct mptcp_sock *msk,
mptcp_for_each_subflow(msk, subflow) {
struct sock *ssk = mptcp_subflow_tcp_sock(subflow);
struct sock *sk = (struct sock *)msk;
struct mptcp_addr_info local;
local_address((struct sock_common *)ssk, &local);
@ -461,6 +462,7 @@ int mptcp_pm_nl_mp_prio_send_ack(struct mptcp_sock *msk,
subflow->backup = bkup;
subflow->send_mp_prio = 1;
subflow->request_bkup = bkup;
__MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_MPPRIOTX);
spin_unlock_bh(&msk->pm.lock);
pr_debug("send ack for mp_prio");