diff options
| -rw-r--r-- | include/linux/netdevice.h | 9 | ||||
| -rw-r--r-- | net/8021q/vlan_dev.c | 18 |
2 files changed, 26 insertions, 1 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 8c43fd17d140..4b04097c748c 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -1719,6 +1719,15 @@ static inline int dev_parse_header(const struct sk_buff *skb, return dev->header_ops->parse(skb, haddr); } +static inline int dev_rebuild_header(struct sk_buff *skb) +{ + const struct net_device *dev = skb->dev; + + if (!dev->header_ops || !dev->header_ops->rebuild) + return 0; + return dev->header_ops->rebuild(skb); +} + typedef int gifconf_func_t(struct net_device * dev, char __user * bufptr, int len); extern int register_gifconf(unsigned int family, gifconf_func_t * gifconf); static inline int unregister_gifconf(unsigned int family) diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c index b40d3da974b5..48a62d89f8ae 100644 --- a/net/8021q/vlan_dev.c +++ b/net/8021q/vlan_dev.c @@ -522,6 +522,22 @@ static const struct header_ops vlan_header_ops = { .parse = eth_header_parse, }; +static int vlan_passthru_hard_header(struct sk_buff *skb, struct net_device *dev, + unsigned short type, + const void *daddr, const void *saddr, + unsigned int len) +{ + struct net_device *real_dev = vlan_dev_info(dev)->real_dev; + + return dev_hard_header(skb, real_dev, type, daddr, saddr, len); +} + +static const struct header_ops vlan_passthru_header_ops = { + .create = vlan_passthru_hard_header, + .rebuild = dev_rebuild_header, + .parse = eth_header_parse, +}; + static const struct net_device_ops vlan_netdev_ops; static int vlan_dev_init(struct net_device *dev) @@ -561,7 +577,7 @@ static int vlan_dev_init(struct net_device *dev) dev->needed_headroom = real_dev->needed_headroom; if (real_dev->features & NETIF_F_HW_VLAN_TX) { - dev->header_ops = real_dev->header_ops; + dev->header_ops = &vlan_passthru_header_ops; dev->hard_header_len = real_dev->hard_header_len; } else { dev->header_ops = &vlan_header_ops; |