diff options
| -rw-r--r-- | include/linux/netdevice.h | 1 | ||||
| -rw-r--r-- | net/8021q/vlan_core.c | 4 | ||||
| -rw-r--r-- | net/core/dev.c | 27 |
3 files changed, 32 insertions, 0 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index b54ec16..ba5c463 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -1165,6 +1165,7 @@ extern int netif_rx(struct sk_buff *skb); extern int netif_rx_ni(struct sk_buff *skb); #define HAVE_NETIF_RECEIVE_SKB 1 extern int netif_receive_skb(struct sk_buff *skb); +extern void netif_nit_deliver(struct sk_buff *skb); extern int dev_valid_name(const char *name); extern int dev_ioctl(struct net *net, unsigned int cmd, void __user *); extern int dev_ethtool(struct net *net, struct ifreq *); diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c index 68df12d..916061f 100644 --- a/net/8021q/vlan_core.c +++ b/net/8021q/vlan_core.c @@ -14,6 +14,9 @@ int __vlan_hwaccel_rx(struct sk_buff *skb, struct vlan_group *grp, return NET_RX_DROP; } + skb->vlan_tci = vlan_tci; + netif_nit_deliver(skb); + skb->dev = vlan_group_get_device(grp, vlan_tci & VLAN_VID_MASK); if (skb->dev == NULL) { dev_kfree_skb_any(skb); @@ -22,6 +25,7 @@ int __vlan_hwaccel_rx(struct sk_buff *skb, struct vlan_group *grp, return NET_RX_SUCCESS; } skb->dev->last_rx = jiffies; + skb->vlan_tci = 0; stats = &skb->dev->stats; stats->rx_packets++; diff --git a/net/core/dev.c b/net/core/dev.c index a29a359..feaab489 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -2068,6 +2068,33 @@ out: } #endif +/* + * netif_nit_deliver - deliver received packets to network taps + * @skb: buffer + * + * This function is used to deliver incoming packets to network + * taps. It should be used when the normal netif_receive_skb path + * is bypassed, for example because of VLAN acceleration. + */ +void netif_nit_deliver(struct sk_buff *skb) +{ + struct packet_type *ptype; + + if (list_empty(&ptype_all)) + return; + + skb_reset_network_header(skb); + skb_reset_transport_header(skb); + skb->mac_len = skb->network_header - skb->mac_header; + + rcu_read_lock(); + list_for_each_entry_rcu(ptype, &ptype_all, list) { + if (!ptype->dev || ptype->dev == skb->dev) + deliver_skb(skb, ptype, skb->dev); + } + rcu_read_unlock(); +} + /** * netif_receive_skb - process receive buffer from network * @skb: buffer to process |
