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Diffstat (limited to 'net/8021q/vlan_dev.c')
-rw-r--r--net/8021q/vlan_dev.c19
1 files changed, 18 insertions, 1 deletions
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 762896ebfcf5..47c908f1f626 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -530,6 +530,23 @@ static const struct header_ops vlan_header_ops = {
530 .parse = eth_header_parse, 530 .parse = eth_header_parse,
531}; 531};
532 532
533static int vlan_passthru_hard_header(struct sk_buff *skb, struct net_device *dev,
534 unsigned short type,
535 const void *daddr, const void *saddr,
536 unsigned int len)
537{
538 struct vlan_dev_priv *vlan = vlan_dev_priv(dev);
539 struct net_device *real_dev = vlan->real_dev;
540
541 return dev_hard_header(skb, real_dev, type, daddr, saddr, len);
542}
543
544static const struct header_ops vlan_passthru_header_ops = {
545 .create = vlan_passthru_hard_header,
546 .rebuild = dev_rebuild_header,
547 .parse = eth_header_parse,
548};
549
533static struct device_type vlan_type = { 550static struct device_type vlan_type = {
534 .name = "vlan", 551 .name = "vlan",
535}; 552};
@@ -573,7 +590,7 @@ static int vlan_dev_init(struct net_device *dev)
573 590
574 dev->needed_headroom = real_dev->needed_headroom; 591 dev->needed_headroom = real_dev->needed_headroom;
575 if (real_dev->features & NETIF_F_HW_VLAN_CTAG_TX) { 592 if (real_dev->features & NETIF_F_HW_VLAN_CTAG_TX) {
576 dev->header_ops = real_dev->header_ops; 593 dev->header_ops = &vlan_passthru_header_ops;
577 dev->hard_header_len = real_dev->hard_header_len; 594 dev->hard_header_len = real_dev->hard_header_len;
578 } else { 595 } else {
579 dev->header_ops = &vlan_header_ops; 596 dev->header_ops = &vlan_header_ops;