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Commit 96f94e7f authored by Nikolay Aleksandrov's avatar Nikolay Aleksandrov Committed by David S. Miller
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bridge: netlink: export port's designated cost and port 



Add IFLA_BRPORT_DESIGNATED_(COST|PORT) to allow getting the port's
designated cost and port respectively via netlink.

Signed-off-by: default avatarNikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 80df9a26

include/uapi/linux/if_link.h

+2 −0
Original line number Diff line number Diff line
@@ -294,6 +294,8 @@ enum { 
	IFLA_BRPORT_PROXYARP_WIFI, /* proxy ARP for Wi-Fi */

	IFLA_BRPORT_ROOT_ID,	/* designated root */

	IFLA_BRPORT_BRIDGE_ID,	/* designated bridge */

	IFLA_BRPORT_DESIGNATED_PORT,

	IFLA_BRPORT_DESIGNATED_COST,

	__IFLA_BRPORT_MAX

};

#define IFLA_BRPORT_MAX (__IFLA_BRPORT_MAX - 1)

net/bridge/br_netlink.c

+5 −1
Original line number Diff line number Diff line
@@ -129,6 +129,8 @@ static inline size_t br_port_info_size(void) 
		+ nla_total_size(1)	/* IFLA_BRPORT_PROXYARP_WIFI */

		+ nla_total_size(sizeof(struct ifla_bridge_id))	/* IFLA_BRPORT_ROOT_ID */

		+ nla_total_size(sizeof(struct ifla_bridge_id))	/* IFLA_BRPORT_BRIDGE_ID */

		+ nla_total_size(sizeof(u16))	/* IFLA_BRPORT_DESIGNATED_PORT */

		+ nla_total_size(sizeof(u16))	/* IFLA_BRPORT_DESIGNATED_COST */

		+ 0;

}
@@ -166,7 +168,9 @@ static int br_port_fill_attrs(struct sk_buff *skb, 
	    nla_put(skb, IFLA_BRPORT_ROOT_ID, sizeof(struct ifla_bridge_id),

		    &p->designated_root) ||

	    nla_put(skb, IFLA_BRPORT_BRIDGE_ID, sizeof(struct ifla_bridge_id),

		    &p->designated_bridge))

		    &p->designated_bridge) ||

	    nla_put_u16(skb, IFLA_BRPORT_DESIGNATED_PORT, p->designated_port) ||

	    nla_put_u16(skb, IFLA_BRPORT_DESIGNATED_COST, p->designated_cost))

		return -EMSGSIZE;



	return 0;