struct packet_type* ptype, struct net_device *orig_dev)
{
unsigned char *rawp = NULL;
- struct vlan_hdr *vhdr = (struct vlan_hdr *)(skb->data);
+ struct vlan_hdr *vhdr;
unsigned short vid;
struct net_device_stats *stats;
unsigned short vlan_TCI;
__be16 proto;
+ if (dev->nd_net != &init_net) {
+ kfree_skb(skb);
+ return -1;
+ }
+
+ if ((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL)
+ return -1;
+
+ if (unlikely(!pskb_may_pull(skb, VLAN_HLEN))) {
+ kfree_skb(skb);
+ return -1;
+ }
+
+ vhdr = (struct vlan_hdr *)(skb->data);
+
/* vlan_TCI = ntohs(get_unaligned(&vhdr->h_vlan_TCI)); */
vlan_TCI = ntohs(vhdr->h_vlan_TCI);
* physical devices.
*/
int vlan_dev_hard_header(struct sk_buff *skb, struct net_device *dev,
- unsigned short type, void *daddr, void *saddr,
- unsigned len)
+ unsigned short type,
+ const void *daddr, const void *saddr, unsigned len)
{
struct vlan_hdr *vhdr;
unsigned short veth_TCI = 0;
if (build_vlan_header) {
/* Now make the underlying real hard header */
- rc = dev->hard_header(skb, dev, ETH_P_8021Q, daddr, saddr, len + VLAN_HLEN);
-
- if (rc > 0) {
+ rc = dev_hard_header(skb, dev, ETH_P_8021Q, daddr, saddr,
+ len + VLAN_HLEN);
+ if (rc > 0)
rc += VLAN_HLEN;
- } else if (rc < 0) {
+ else if (rc < 0)
rc -= VLAN_HLEN;
- }
- } else {
+ } else
/* If here, then we'll just make a normal looking ethernet frame,
* but, the hard_start_xmit method will insert the tag (it has to
* be able to do this for bridged and other skbs that don't come
* down the protocol stack in an orderly manner.
*/
- rc = dev->hard_header(skb, dev, type, daddr, saddr, len);
- }
+ rc = dev_hard_header(skb, dev, type, daddr, saddr, len);
return rc;
}
* OTHER THINGS LIKE FDDI/TokenRing/802.3 SNAPs...
*/
- if (veth->h_vlan_proto != htons(ETH_P_8021Q)) {
+ if (veth->h_vlan_proto != htons(ETH_P_8021Q) ||
+ VLAN_DEV_INFO(dev)->flags & VLAN_FLAG_REORDER_HDR) {
int orig_headroom = skb_headroom(skb);
unsigned short veth_TCI;
return 0;
}
+int vlan_set_mac_address(struct net_device *dev, void *p)
+{
+ struct net_device *real_dev = VLAN_DEV_INFO(dev)->real_dev;
+ struct sockaddr *addr = p;
+ int err;
+
+ if (!is_valid_ether_addr(addr->sa_data))
+ return -EADDRNOTAVAIL;
+
+ if (!(dev->flags & IFF_UP))
+ goto out;
+
+ if (compare_ether_addr(addr->sa_data, real_dev->dev_addr)) {
+ err = dev_unicast_add(real_dev, addr->sa_data, ETH_ALEN);
+ if (err < 0)
+ return err;
+ }
+
+ if (compare_ether_addr(dev->dev_addr, real_dev->dev_addr))
+ dev_unicast_delete(real_dev, dev->dev_addr, ETH_ALEN);
+
+out:
+ memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
+ return 0;
+}
+
int vlan_dev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
struct net_device *real_dev = VLAN_DEV_INFO(dev)->real_dev;