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bridge: fdb dumping takes a filter device

Browse source 
Dumping a bridge fdb dumps every fdb entry
held. With this change we are going to filter
on selected bridge port.

Signed-off-by: Jamal Hadi Salim <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Jamal Hadi Salim 2014-07-10 07:01:58 -04:00 • committed by David S. Miller
commit 5d5eacb34c
8 changed files with 24 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

5
net/bridge/br_fdb.c
View file

@ -676,6 +676,7 @@ errout:
int br_fdb_dump(struct sk_buff *skb,
struct netlink_callback *cb,
struct net_device *dev,
struct net_device *filter_dev,
int idx)
{
struct net_bridge *br = netdev_priv(dev);
@ -691,6 +692,10 @@ int br_fdb_dump(struct sk_buff *skb,
if (idx < cb->args[0])
goto skip;
if (filter_dev && (!f->dst || !f->dst->dev ||
f->dst->dev != filter_dev))
goto skip;
if (fdb_fill_info(skb, br, f,
NETLINK_CB(cb->skb).portid,
cb->nlh->nlmsg_seq,

2
net/bridge/br_private.h
View file

@ -399,7 +399,7 @@ int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[],
int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[], struct net_device *dev,
const unsigned char *addr, u16 nlh_flags);
int br_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb,
struct net_device *dev, int idx);
struct net_device *dev, struct net_device *fdev, int idx);
int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p);
void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p);