diff options
| -rw-r--r-- | include/linux/if_vlan.h | 6 | ||||
| -rw-r--r-- | net/8021q/vlan_core.c | 7 | ||||
| -rw-r--r-- | net/core/dev.c | 4 |
3 files changed, 10 insertions, 7 deletions
diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h index 44da4822bca..12d5543b14f 100644 --- a/include/linux/if_vlan.h +++ b/include/linux/if_vlan.h @@ -106,7 +106,7 @@ extern struct net_device *__vlan_find_dev_deep(struct net_device *real_dev, extern struct net_device *vlan_dev_real_dev(const struct net_device *dev); extern u16 vlan_dev_vlan_id(const struct net_device *dev); -extern bool vlan_do_receive(struct sk_buff **skb); +extern bool vlan_do_receive(struct sk_buff **skb, bool last_handler); extern struct sk_buff *vlan_untag(struct sk_buff *skb); #else @@ -128,9 +128,9 @@ static inline u16 vlan_dev_vlan_id(const struct net_device *dev) return 0; } -static inline bool vlan_do_receive(struct sk_buff **skb) +static inline bool vlan_do_receive(struct sk_buff **skb, bool last_handler) { - if ((*skb)->vlan_tci & VLAN_VID_MASK) + if (((*skb)->vlan_tci & VLAN_VID_MASK) && last_handler) (*skb)->pkt_type = PACKET_OTHERHOST; return false; } diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c index f1f2f7bb666..163397f1fd5 100644 --- a/net/8021q/vlan_core.c +++ b/net/8021q/vlan_core.c @@ -4,7 +4,7 @@ #include <linux/netpoll.h> #include "vlan.h" -bool vlan_do_receive(struct sk_buff **skbp) +bool vlan_do_receive(struct sk_buff **skbp, bool last_handler) { struct sk_buff *skb = *skbp; u16 vlan_id = skb->vlan_tci & VLAN_VID_MASK; @@ -13,7 +13,10 @@ bool vlan_do_receive(struct sk_buff **skbp) vlan_dev = vlan_find_dev(skb->dev, vlan_id); if (!vlan_dev) { - if (vlan_id) + /* Only the last call to vlan_do_receive() should change + * pkt_type to PACKET_OTHERHOST + */ + if (vlan_id && last_handler) skb->pkt_type = PACKET_OTHERHOST; return false; } diff --git a/net/core/dev.c b/net/core/dev.c index edcf019c056..6ba50a1e404 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -3283,18 +3283,18 @@ another_round: ncls: #endif + rx_handler = rcu_dereference(skb->dev->rx_handler); if (vlan_tx_tag_present(skb)) { if (pt_prev) { ret = deliver_skb(skb, pt_prev, orig_dev); pt_prev = NULL; } - if (vlan_do_receive(&skb)) + if (vlan_do_receive(&skb, !rx_handler)) goto another_round; else if (unlikely(!skb)) goto out; } - rx_handler = rcu_dereference(skb->dev->rx_handler); if (rx_handler) { if (pt_prev) { ret = deliver_skb(skb, pt_prev, orig_dev); |