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| author | Jesse Gross <jesse@nicira.com> | 2010-10-20 13:56:05 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-10-21 01:26:53 -0700 |
| commit | 65ac6a5fa658b90f1be700c55e7cd72e4611015d (patch) | |
| tree | 7330c3234101c6d4c952f4abec9c8064df0e685a /net/8021q/vlan.h | |
| parent | 7b9c60903714bf0a19d746b228864bad3497284e (diff) | |
| download | linux-riscv-65ac6a5fa658b90f1be700c55e7cd72e4611015d.tar.gz linux-riscv-65ac6a5fa658b90f1be700c55e7cd72e4611015d.tar.bz2 linux-riscv-65ac6a5fa658b90f1be700c55e7cd72e4611015d.zip | |
vlan: Avoid hash table lookup to find group.
A struct net_device always maps to zero or one vlan groups and we
always know the device when we are looking up a group. We currently
do a hash table lookup on the device to find the group but it is
much simpler to just store a pointer.
Signed-off-by: Jesse Gross <jesse@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/8021q/vlan.h')
| -rw-r--r-- | net/8021q/vlan.h | 17 |
1 files changed, 0 insertions, 17 deletions
diff --git a/net/8021q/vlan.h b/net/8021q/vlan.h index 8d9503ad01da..db01b3181fdc 100644 --- a/net/8021q/vlan.h +++ b/net/8021q/vlan.h @@ -72,23 +72,6 @@ static inline struct vlan_dev_info *vlan_dev_info(const struct net_device *dev) return netdev_priv(dev); } -#define VLAN_GRP_HASH_SHIFT 5 -#define VLAN_GRP_HASH_SIZE (1 << VLAN_GRP_HASH_SHIFT) -#define VLAN_GRP_HASH_MASK (VLAN_GRP_HASH_SIZE - 1) - -/* Find a VLAN device by the MAC address of its Ethernet device, and - * it's VLAN ID. The default configuration is to have VLAN's scope - * to be box-wide, so the MAC will be ignored. The mac will only be - * looked at if we are configured to have a separate set of VLANs per - * each MAC addressable interface. Note that this latter option does - * NOT follow the spec for VLANs, but may be useful for doing very - * large quantities of VLAN MUX/DEMUX onto FrameRelay or ATM PVCs. - * - * Must be invoked with rcu_read_lock (ie preempt disabled) - * or with RTNL. - */ -struct net_device *__find_vlan_dev(struct net_device *real_dev, u16 vlan_id); - /* found in vlan_dev.c */ int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev, struct packet_type *ptype, struct net_device *orig_dev); |