diff mbox series

[net-next,7/8] mptcp: add the mibs for MP_PRIO

Message ID 20210109004802.341602-8-mathew.j.martineau@linux.intel.com (mailing list archive)
State Accepted
Commit 0be2ac287bcc8a5b60d7c9ab11892a774052d269
Delegated to: Netdev Maintainers
Headers show
Series MPTCP: Add MP_PRIO support and rework local address IDs | expand

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Context Check Description
netdev/cover_letter success Link
netdev/fixes_present success Link
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netdev/tree_selection success Clearly marked for net-next
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netdev/cc_maintainers warning 1 maintainers not CCed: matthieu.baerts@tessares.net
netdev/source_inline success Was 0 now: 0
netdev/verify_signedoff success Link
netdev/module_param success Was 0 now: 0
netdev/build_32bit success Errors and warnings before: 3 this patch: 3
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/verify_fixes success Link
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 37 lines checked
netdev/build_allmodconfig_warn success Errors and warnings before: 3 this patch: 3
netdev/header_inline success Link
netdev/stable success Stable not CCed

Commit Message

Mat Martineau Jan. 9, 2021, 12:48 a.m. UTC 
From: Geliang Tang <geliangtang@gmail.com>

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>
---
 net/mptcp/mib.c        | 2 ++
 net/mptcp/mib.h        | 2 ++
 net/mptcp/options.c    | 1 +
 net/mptcp/pm_netlink.c | 2 ++
 4 files changed, 7 insertions(+)
diff mbox series

Patch

diff --git a/net/mptcp/mib.c b/net/mptcp/mib.c
index b921cbdd9aaa..8ca196489893 100644
--- a/net/mptcp/mib.c
+++ b/net/mptcp/mib.c
@@ -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
 };
 
diff --git a/net/mptcp/mib.h b/net/mptcp/mib.h
index 47bcecce1106..63914a5ef6a5 100644
--- a/net/mptcp/mib.h
+++ b/net/mptcp/mib.h
@@ -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
 };
 
diff --git a/net/mptcp/options.c b/net/mptcp/options.c
index adfa96dd991c..c9643344a8d7 100644
--- a/net/mptcp/options.c
+++ b/net/mptcp/options.c
@@ -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;
 	}
 
diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c
index 8f80099f1657..9b1f6298bbdb 100644
--- a/net/mptcp/pm_netlink.c
+++ b/net/mptcp/pm_netlink.c
@@ -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");