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bridge: netlink: export root path cost 

Add IFLA_BR_ROOT_PATH_COST and export it via netlink.

Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nikolay Aleksandrov 2015-10-04 14:23:32 +02:00 committed by David S. Miller
parent 8762ba680f
commit 684dd248be
2 changed files with 4 additions and 1 deletions
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1
include/uapi/linux/if_link.h
View File

@ -236,6 +236,7 @@ enum {
IFLA_BR_ROOT_ID,
IFLA_BR_BRIDGE_ID,
IFLA_BR_ROOT_PORT,
IFLA_BR_ROOT_PATH_COST,
__IFLA_BR_MAX,
};

4
net/bridge/br_netlink.c
View File

@ -857,6 +857,7 @@ static size_t br_get_size(const struct net_device *brdev)
nla_total_size(sizeof(struct ifla_bridge_id)) + /* IFLA_BR_ROOT_ID */
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 */
0;
}
@ -890,7 +891,8 @@ static int br_fill_info(struct sk_buff *skb, const struct net_device *brdev)
nla_put_u16(skb, IFLA_BR_GROUP_FWD_MASK, group_fwd_mask) ||
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_u16(skb, IFLA_BR_ROOT_PORT, br->root_port) ||
nla_put_u32(skb, IFLA_BR_ROOT_PATH_COST, br->root_path_cost))
return -EMSGSIZE;
#ifdef CONFIG_BRIDGE_VLAN_FILTERING