net: ipv4: Notify about changes to ip_forward_update_priority (d18c5d19) · Commits · 戴 / test

include/net/netevent.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -28,6 +28,7 @@ enum netevent_notif_type {
		NETEVENT_DELAY_PROBE_TIME_UPDATE, /* arg is struct neigh_parms ptr */
		NETEVENT_IPV4_MPATH_HASH_UPDATE, /* arg is struct net ptr */
		NETEVENT_IPV6_MPATH_HASH_UPDATE, /* arg is struct net ptr */
		NETEVENT_IPV4_FWD_UPDATE_PRIORITY_UPDATE, /* arg is struct net ptr */
		};

		int register_netevent_notifier(struct notifier_block *nb);

+18 −1

Original line number	Diff line number	Diff line
		@@ -201,6 +201,23 @@ static int ipv4_ping_group_range(struct ctl_table *table, int write,
		return ret;
		}

		static int ipv4_fwd_update_priority(struct ctl_table *table, int write,
		void __user *buffer,
		size_t lenp, loff_t ppos)
		{
		struct net *net;
		int ret;

		net = container_of(table->data, struct net,
		ipv4.sysctl_ip_fwd_update_priority);
		ret = proc_dointvec_minmax(table, write, buffer, lenp, ppos);
		if (write && ret == 0)
		call_netevent_notifiers(NETEVENT_IPV4_FWD_UPDATE_PRIORITY_UPDATE,
		net);

		return ret;
		}

		static int proc_tcp_congestion_control(struct ctl_table *ctl, int write,
		void __user buffer, size_t lenp, loff_t *ppos)
		{
		@@ -668,7 +685,7 @@ static struct ctl_table ipv4_net_table[] = {
		.data = &init_net.ipv4.sysctl_ip_fwd_update_priority,
		.maxlen = sizeof(int),
		.mode = 0644,
		.proc_handler = proc_dointvec_minmax,
		.proc_handler = ipv4_fwd_update_priority,
		.extra1 = &zero,
		.extra2 = &one,
		},