From: Nikolay Aleksandrov <niko...@cumulusnetworks.com>
Add IFLA_BR_TOPOLOGY_CHANGE and IFLA_BR_TOPOLOGY_CHANGE_DETECTED and
export them via netlink.
Signed-off-by: Nikolay Aleksandrov <niko...@cumulusnetworks.com>
---
include/uapi/linux/if_link.h | 2 ++
net/bridge/br_netlink.c | 7 ++++++-
2 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h
index 7d7236d143fb..b00286ca1bfe 100644
--- a/include/uapi/linux/if_link.h
+++ b/include/uapi/linux/if_link.h
@@ -237,6 +237,8 @@ enum {
IFLA_BR_BRIDGE_ID,
IFLA_BR_ROOT_PORT,
IFLA_BR_ROOT_PATH_COST,
+ IFLA_BR_TOPOLOGY_CHANGE,
+ IFLA_BR_TOPOLOGY_CHANGE_DETECTED,
__IFLA_BR_MAX,
};
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index cd0488b689d4..8bcaa5171f35 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -858,6 +858,8 @@ static size_t br_get_size(const struct net_device *brdev)
nla_total_size(sizeof(struct ifla_bridge_id)) + /*
IFLA_BR_BRIDGE_ID */
nla_total_size(sizeof(u16)) + /* IFLA_BR_ROOT_PORT */
nla_total_size(sizeof(u32)) + /* IFLA_BR_ROOT_PATH_COST */
+ nla_total_size(sizeof(u8)) + /* IFLA_BR_TOPOLOGY_CHANGE */
+ nla_total_size(sizeof(u8)) + /*
IFLA_BR_TOPOLOGY_CHANGE_DETECTED */
0;
}
@@ -892,7 +894,10 @@ static int br_fill_info(struct sk_buff *skb, const struct
net_device *brdev)
nla_put(skb, IFLA_BR_ROOT_ID, sizeof(root_id), &root_id) ||
nla_put(skb, IFLA_BR_BRIDGE_ID, sizeof(bridge_id), &bridge_id) ||
nla_put_u16(skb, IFLA_BR_ROOT_PORT, br->root_port) ||
- nla_put_u32(skb, IFLA_BR_ROOT_PATH_COST, br->root_path_cost))
+ nla_put_u32(skb, IFLA_BR_ROOT_PATH_COST, br->root_path_cost) ||
+ nla_put_u8(skb, IFLA_BR_TOPOLOGY_CHANGE, br->topology_change) ||
+ nla_put_u8(skb, IFLA_BR_TOPOLOGY_CHANGE_DETECTED,
+ br->topology_change_detected))
return -EMSGSIZE;
#ifdef CONFIG_BRIDGE_VLAN_FILTERING
--
2.4.3
--
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