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net: vlan: add protocol argument to packet tagging functions

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Add a protocol argument to the VLAN packet tagging functions. In case of HW
tagging, we need that protocol available in the ndo_start_xmit functions,
so it is stored in a new field in the skb. The new field fits into a hole
(on 64 bit) and doesn't increase the sks's size.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick McHardy
2013-04-19 02:04:30 +00:00
committed by David S. Miller
parent 1fd9b1fc31
commit 86a9bad3ab
56 changed files with 107 additions and 84 deletions
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5
net/core/dev.c
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@@ -2482,8 +2482,9 @@ int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev,
features = netif_skb_features(skb);
if (vlan_tx_tag_present(skb) &&
!(features & NETIF_F_HW_VLAN_CTAG_TX)) {
skb = __vlan_put_tag(skb, vlan_tx_tag_get(skb));
!vlan_hw_offload_capable(features, skb->vlan_proto)) {
skb = __vlan_put_tag(skb, skb->vlan_proto,
vlan_tx_tag_get(skb));
if (unlikely(!skb))
goto out;