bridge: netlink: export port's id and number

Add IFLA_BRPORT_(ID|NO) to allow getting port's port_id and port_no
respectively via netlink.

Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 5 insertions, 1 deletions

diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index 678d22747044..e51332792c3c 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -131,6 +131,8 @@ static inline size_t br_port_info_size(void)
                 + 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 */
+                + nla_total_size(sizeof(u16))   /* IFLA_BRPORT_ID */
+                + nla_total_size(sizeof(u16))   /* IFLA_BRPORT_NO */
                 + 0;
 }
 
@@ -170,7 +172,9 @@ static int br_port_fill_attrs(struct sk_buff *skb,
             nla_put(skb, IFLA_BRPORT_BRIDGE_ID, sizeof(struct ifla_bridge_id),
                     &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))
+            nla_put_u16(skb, IFLA_BRPORT_DESIGNATED_COST, p->designated_cost) ||
+            nla_put_u16(skb, IFLA_BRPORT_ID, p->port_id) ||
+            nla_put_u16(skb, IFLA_BRPORT_NO, p->port_no))
                 return -EMSGSIZE;
 
         return 0;