Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d2d1acdb6a632486be9a731f40c68980c09f0490
Commit: d2d1acdb6a632486be9a731f40c68980c09f0490
Parent: e68a8c10c4c5daf363e946d10c1a5cba77d7f92c
Author: Stephen Hemminger <[EMAIL PROTECTED]>
AuthorDate: Fri Jun 1 09:43:57 2007 -0700
Committer: Jeff Garzik <[EMAIL PROTECTED]>
CommitDate: Sun Jun 3 11:44:19 2007 -0400
VLAN: kill_vid is only useful for VLAN filtering devices
The interface for network device VLAN extension was confusing.
The kill_vid function is only really useful for devices that do
hardware filtering. Devices that only do VLAN receiption without
filtering were being forced to provide the hook, and there were
bugs in those devices.
Many drivers had kill_vid routine that called vlan_group_set_device, with
NULL, but that is done already.
Signed-off-by: Stephen Hemminger <[EMAIL PROTECTED]>
Signed-off-by: Jeff Garzik <[EMAIL PROTECTED]>
---
net/8021q/vlan.c | 10 +++-------
1 files changed, 3 insertions(+), 7 deletions(-)
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index bd93c45..ceef57c 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -240,10 +240,8 @@ static int unregister_vlan_dev(struct net_device *real_dev,
* interlock with HW accelerating devices or SW vlan
* input packet processing.
*/
- if (real_dev->features &
- (NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER)) {
+ if (real_dev->features & NETIF_F_HW_VLAN_FILTER)
real_dev->vlan_rx_kill_vid(real_dev, vlan_id);
- }
vlan_group_set_device(grp, vlan_id, NULL);
synchronize_net();
@@ -409,16 +407,14 @@ static struct net_device *register_vlan_device(const char
*eth_IF_name,
}
if ((real_dev->features & NETIF_F_HW_VLAN_RX) &&
- (real_dev->vlan_rx_register == NULL ||
- real_dev->vlan_rx_kill_vid == NULL)) {
+ !real_dev->vlan_rx_register) {
printk(VLAN_DBG "%s: Device %s has buggy VLAN hw accel.\n",
__FUNCTION__, real_dev->name);
goto out_put_dev;
}
if ((real_dev->features & NETIF_F_HW_VLAN_FILTER) &&
- (real_dev->vlan_rx_add_vid == NULL ||
- real_dev->vlan_rx_kill_vid == NULL)) {
+ (!real_dev->vlan_rx_add_vid || !real_dev->vlan_rx_kill_vid)) {
printk(VLAN_DBG "%s: Device %s has buggy VLAN hw accel.\n",
__FUNCTION__, real_dev->name);
goto out_put_dev;
-
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