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| author | Jamal Hadi Salim <jhs@mojatatu.com> | 2014-07-10 07:01:58 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-07-10 12:37:33 -0700 |
| commit | 5d5eacb34c9e1fdc0a47b885d832eaa4de860dc7 (patch) | |
| tree | 880d3849c474c2d307928b99d22f9a4354e1387a /net | |
| parent | 69b4b7a4148e94a3fe7f06f72ee70113a6c61837 (diff) | |
| download | op-kernel-dev-5d5eacb34c9e1fdc0a47b885d832eaa4de860dc7.zip op-kernel-dev-5d5eacb34c9e1fdc0a47b885d832eaa4de860dc7.tar.gz | |
bridge: fdb dumping takes a filter device
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 <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/bridge/br_fdb.c | 5 | ||||
| -rw-r--r-- | net/bridge/br_private.h | 2 | ||||
| -rw-r--r-- | net/core/rtnetlink.c | 9 |
3 files changed, 12 insertions, 4 deletions
diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c index 7be3366..6edecd1 100644 --- a/net/bridge/br_fdb.c +++ b/net/bridge/br_fdb.c @@ -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, diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index 23caf5b..62a7fa2 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -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); diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 27acaf7..90a906e 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -2517,6 +2517,7 @@ skip: int ndo_dflt_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, struct net_device *dev, + struct net_device *filter_dev, int idx) { int err; @@ -2547,13 +2548,15 @@ static int rtnl_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb) br_dev = netdev_master_upper_dev_get(dev); ops = br_dev->netdev_ops; if (ops->ndo_fdb_dump) - idx = ops->ndo_fdb_dump(skb, cb, dev, idx); + idx = ops->ndo_fdb_dump(skb, cb, dev, NULL, + idx); } if (dev->netdev_ops->ndo_fdb_dump) - idx = dev->netdev_ops->ndo_fdb_dump(skb, cb, dev, idx); + idx = dev->netdev_ops->ndo_fdb_dump(skb, cb, dev, NULL, + idx); else - idx = ndo_dflt_fdb_dump(skb, cb, dev, idx); + idx = ndo_dflt_fdb_dump(skb, cb, dev, NULL, idx); } rcu_read_unlock(); |
