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>
diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h
index 837caf9..6857563 100644
--- a/include/uapi/linux/if_link.h
+++ b/include/uapi/linux/if_link.h
@@ -296,6 +296,8 @@
IFLA_BRPORT_BRIDGE_ID, /* designated bridge */
IFLA_BRPORT_DESIGNATED_PORT,
IFLA_BRPORT_DESIGNATED_COST,
+ IFLA_BRPORT_ID,
+ IFLA_BRPORT_NO,
__IFLA_BRPORT_MAX
};
#define IFLA_BRPORT_MAX (__IFLA_BRPORT_MAX - 1)
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index 678d227..e513327 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -131,6 +131,8 @@
+ 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 @@
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;