bridge: netlink: export port's topology_change_ack and config_pending

Add IFLA_BRPORT_TOPOLOGY_CHANGE_ACK and IFLA_BRPORT_CONFIG_PENDING to
allow getting port's topology_change_ack and config_pending 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 6857563..1d6aeb1 100644 (file)
--- a/include/uapi/linux/if_link.h
+++ b/include/uapi/linux/if_link.h
@@ -298,6 +298,8 @@ enum {
        IFLA_BRPORT_DESIGNATED_COST,
        IFLA_BRPORT_ID,
        IFLA_BRPORT_NO,
+       IFLA_BRPORT_TOPOLOGY_CHANGE_ACK,
+       IFLA_BRPORT_CONFIG_PENDING,
        __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 e513327..433d632 100644 (file)
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -133,6 +133,8 @@ static inline size_t br_port_info_size(void)
                + 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 */
+               + nla_total_size(sizeof(u8))    /* IFLA_BRPORT_TOPOLOGY_CHANGE_ACK */
+               + nla_total_size(sizeof(u8))    /* IFLA_BRPORT_CONFIG_PENDING */
                + 0;
 }
 
@@ -174,7 +176,10 @@ static int br_port_fill_attrs(struct sk_buff *skb,
            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_ID, p->port_id) ||
-           nla_put_u16(skb, IFLA_BRPORT_NO, p->port_no))
+           nla_put_u16(skb, IFLA_BRPORT_NO, p->port_no) ||
+           nla_put_u8(skb, IFLA_BRPORT_TOPOLOGY_CHANGE_ACK,
+                      p->topology_change_ack) ||
+           nla_put_u8(skb, IFLA_BRPORT_CONFIG_PENDING, p->config_pending))
                return -EMSGSIZE;
 
        return 0;