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bridge: Dump vlan information from a bridge port

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Using the RTM_GETLINK dump the vlan filter list of a given
bridge port.  The information depends on setting the filter
flag similar to how nic VF info is dumped.

Signed-off-by: Vlad Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vlad Yasevich
2013-02-13 12:00:13 +00:00
committed by David S. Miller
parent 407af3299e
commit 6cbdceeb1c
7 changed files with 104 additions and 18 deletions
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16
net/core/rtnetlink.c
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@ -2315,6 +2315,13 @@ static int rtnl_bridge_getlink(struct sk_buff *skb, struct netlink_callback *cb)
int idx = 0;
u32 portid = NETLINK_CB(cb->skb).portid;
u32 seq = cb->nlh->nlmsg_seq;
struct nlattr *extfilt;
u32 filter_mask = 0;
extfilt = nlmsg_find_attr(cb->nlh, sizeof(struct rtgenmsg),
IFLA_EXT_MASK);
if (extfilt)
filter_mask = nla_get_u32(extfilt);
rcu_read_lock();
for_each_netdev_rcu(net, dev) {
@ -2324,14 +2331,15 @@ static int rtnl_bridge_getlink(struct sk_buff *skb, struct netlink_callback *cb)
if (br_dev && br_dev->netdev_ops->ndo_bridge_getlink) {
if (idx >= cb->args[0] &&
br_dev->netdev_ops->ndo_bridge_getlink(
skb, portid, seq, dev) < 0)
skb, portid, seq, dev, filter_mask) < 0)
break;
idx++;
}
if (ops->ndo_bridge_getlink) {
if (idx >= cb->args[0] &&
ops->ndo_bridge_getlink(skb, portid, seq, dev) < 0)
ops->ndo_bridge_getlink(skb, portid, seq, dev,
filter_mask) < 0)
break;
idx++;
}
@ -2372,14 +2380,14 @@ static int rtnl_bridge_notify(struct net_device *dev, u16 flags)
if ((!flags || (flags & BRIDGE_FLAGS_MASTER)) &&
br_dev && br_dev->netdev_ops->ndo_bridge_getlink) {
err = br_dev->netdev_ops->ndo_bridge_getlink(skb, 0, 0, dev);
err = br_dev->netdev_ops->ndo_bridge_getlink(skb, 0, 0, dev, 0);
if (err < 0)
goto errout;
}
if ((flags & BRIDGE_FLAGS_SELF) &&
dev->netdev_ops->ndo_bridge_getlink) {
err = dev->netdev_ops->ndo_bridge_getlink(skb, 0, 0, dev);
err = dev->netdev_ops->ndo_bridge_getlink(skb, 0, 0, dev, 0);
if (err < 0)
goto errout;
}