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Diffstat (limited to 'net/8021q/vlan_core.c')
-rw-r--r--net/8021q/vlan_core.c53
1 files changed, 0 insertions, 53 deletions
diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c
index 75d427763992..90cc2bdd4064 100644
--- a/net/8021q/vlan_core.c
+++ b/net/8021q/vlan_core.c
@@ -112,59 +112,6 @@ __be16 vlan_dev_vlan_proto(const struct net_device *dev)
}
EXPORT_SYMBOL(vlan_dev_vlan_proto);
-static struct sk_buff *vlan_reorder_header(struct sk_buff *skb)
-{
- if (skb_cow(skb, skb_headroom(skb)) < 0) {
- kfree_skb(skb);
- return NULL;
- }
-
- memmove(skb->data - ETH_HLEN, skb->data - VLAN_ETH_HLEN, 2 * ETH_ALEN);
- skb->mac_header += VLAN_HLEN;
- return skb;
-}
-
-struct sk_buff *vlan_untag(struct sk_buff *skb)
-{
- struct vlan_hdr *vhdr;
- u16 vlan_tci;
-
- if (unlikely(vlan_tx_tag_present(skb))) {
- /* vlan_tci is already set-up so leave this for another time */
- return skb;
- }
-
- skb = skb_share_check(skb, GFP_ATOMIC);
- if (unlikely(!skb))
- goto err_free;
-
- if (unlikely(!pskb_may_pull(skb, VLAN_HLEN)))
- goto err_free;
-
- vhdr = (struct vlan_hdr *) skb->data;
- vlan_tci = ntohs(vhdr->h_vlan_TCI);
- __vlan_hwaccel_put_tag(skb, skb->protocol, vlan_tci);
-
- skb_pull_rcsum(skb, VLAN_HLEN);
- vlan_set_encap_proto(skb, vhdr);
-
- skb = vlan_reorder_header(skb);
- if (unlikely(!skb))
- goto err_free;
-
- skb_reset_network_header(skb);
- skb_reset_transport_header(skb);
- skb_reset_mac_len(skb);
-
- return skb;
-
-err_free:
- kfree_skb(skb);
- return NULL;
-}
-EXPORT_SYMBOL(vlan_untag);
-
-
/*
* vlan info and vid list
*/