diff options
| author |   David S. Miller <davem@davemloft.net> | 2014-06-03 23:32:12 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-06-03 23:32:12 -0700 |
| commit | c99f7abf0e69987e4add567e155e042cb1f2a20b (patch) | |
| tree | d23898dc30ed25c1dae9bb6325041027d412397a /net/bridge/br_vlan.c | |
| parent | net: remove some unless free on failure in alloc_netdev_mqs() (diff) | |
| parent | sh_eth: fix SH7619/771x support (diff) | |
| download | linux-dev-c99f7abf0e69987e4add567e155e042cb1f2a20b.tar.xz linux-dev-c99f7abf0e69987e4add567e155e042cb1f2a20b.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
include/net/inetpeer.h
net/ipv6/output_core.c
Changes in net were fixing bugs in code removed in net-next.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/bridge/br_vlan.c')
| -rw-r--r-- | net/bridge/br_vlan.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/net/bridge/br_vlan.c b/net/bridge/br_vlan.c index 24c5cc55589f..fcc95390f862 100644 --- a/net/bridge/br_vlan.c +++ b/net/bridge/br_vlan.c @@ -241,6 +241,34 @@ bool br_allowed_egress(struct net_bridge *br, return false; } +/* Called under RCU */ +bool br_should_learn(struct net_bridge_port *p, struct sk_buff *skb, u16 *vid) +{ + struct net_bridge *br = p->br; + struct net_port_vlans *v; + + if (!br->vlan_enabled) + return true; + + v = rcu_dereference(p->vlan_info); + if (!v) + return false; + + br_vlan_get_tag(skb, vid); + if (!*vid) { + *vid = br_get_pvid(v); + if (*vid == VLAN_N_VID) + return false; + + return true; + } + + if (test_bit(*vid, v->vlan_bitmap)) + return true; + + return false; +} + /* Must be protected by RTNL. * Must be called with vid in range from 1 to 4094 inclusive. */ |