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authorPatrick McHardy <kaber@trash.net>2008-05-23 00:22:04 -0700
committerDavid S. Miller <davem@davemloft.net>2008-05-23 00:27:50 -0700
commit289c79a4bd350e8a25065102563ad1a183d1b402 (patch)
tree2067cb054704c62c3debfe92a3f00dc551ff7162 /net/8021q
parent7bece8155be133cd67c41eed2b31c60a310609de (diff)
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vlan: Use bitmask of feature flags instead of seperate feature bits
Herbert Xu points out that the use of seperate feature bits for features to be propagated to VLAN devices is going to get messy real soon. Replace the VLAN feature bits by a bitmask of feature flags to be propagated and restore the old GSO_SHIFT/MASK values. Signed-off-by: Patrick McHardy <kaber@trash.net> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/8021q')
-rw-r--r--net/8021q/vlan.c10
-rw-r--r--net/8021q/vlan.h2
-rw-r--r--net/8021q/vlan_dev.c5
3 files changed, 3 insertions, 14 deletions
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index 5196130..ab2225d 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -387,14 +387,8 @@ static void vlan_transfer_features(struct net_device *dev,
{
unsigned long old_features = vlandev->features;
- if (dev->features & NETIF_F_VLAN_TSO) {
- vlandev->features &= ~VLAN_TSO_FEATURES;
- vlandev->features |= dev->features & VLAN_TSO_FEATURES;
- }
- if (dev->features & NETIF_F_VLAN_CSUM) {
- vlandev->features &= ~NETIF_F_ALL_CSUM;
- vlandev->features |= dev->features & NETIF_F_ALL_CSUM;
- }
+ vlandev->features &= ~dev->vlan_features;
+ vlandev->features |= dev->features & dev->vlan_features;
if (old_features != vlandev->features)
netdev_features_change(vlandev);
diff --git a/net/8021q/vlan.h b/net/8021q/vlan.h
index 7962569..5229a72 100644
--- a/net/8021q/vlan.h
+++ b/net/8021q/vlan.h
@@ -7,8 +7,6 @@
#define VLAN_GRP_HASH_SIZE (1 << VLAN_GRP_HASH_SHIFT)
#define VLAN_GRP_HASH_MASK (VLAN_GRP_HASH_SIZE - 1)
-#define VLAN_TSO_FEATURES (NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_SG)
-
/* 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
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index b1cfbaa..5d055c2 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -663,10 +663,7 @@ static int vlan_dev_init(struct net_device *dev)
(1<<__LINK_STATE_DORMANT))) |
(1<<__LINK_STATE_PRESENT);
- if (real_dev->features & NETIF_F_VLAN_TSO)
- dev->features |= real_dev->features & VLAN_TSO_FEATURES;
- if (real_dev->features & NETIF_F_VLAN_CSUM)
- dev->features |= real_dev->features & NETIF_F_ALL_CSUM;
+ dev->features |= real_dev->features & real_dev->vlan_features;
/* ipv6 shared card related stuff */
dev->dev_id = real_dev->dev_id;