diff options
| -rw-r--r-- | include/linux/netdevice.h | 2 | ||||
| -rw-r--r-- | net/core/dev.c | 13 | ||||
| -rw-r--r-- | net/core/skbuff.c | 3 |
3 files changed, 12 insertions, 6 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index e8eeebd49a98..daafd9561cbc 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -3014,7 +3014,7 @@ struct sk_buff *skb_gso_segment(struct sk_buff *skb, netdev_features_t features) { return __skb_gso_segment(skb, features, true); } -__be16 skb_network_protocol(struct sk_buff *skb); +__be16 skb_network_protocol(struct sk_buff *skb, int *depth); static inline bool can_checksum_protocol(netdev_features_t features, __be16 protocol) diff --git a/net/core/dev.c b/net/core/dev.c index b1b0c8d4d7df..45fa2f11f84d 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -2286,7 +2286,7 @@ out: } EXPORT_SYMBOL(skb_checksum_help); -__be16 skb_network_protocol(struct sk_buff *skb) +__be16 skb_network_protocol(struct sk_buff *skb, int *depth) { __be16 type = skb->protocol; int vlan_depth = ETH_HLEN; @@ -2313,6 +2313,8 @@ __be16 skb_network_protocol(struct sk_buff *skb) vlan_depth += VLAN_HLEN; } + *depth = vlan_depth; + return type; } @@ -2326,12 +2328,13 @@ struct sk_buff *skb_mac_gso_segment(struct sk_buff *skb, { struct sk_buff *segs = ERR_PTR(-EPROTONOSUPPORT); struct packet_offload *ptype; - __be16 type = skb_network_protocol(skb); + int vlan_depth = skb->mac_len; + __be16 type = skb_network_protocol(skb, &vlan_depth); if (unlikely(!type)) return ERR_PTR(-EINVAL); - __skb_pull(skb, skb->mac_len); + __skb_pull(skb, vlan_depth); rcu_read_lock(); list_for_each_entry_rcu(ptype, &offload_base, list) { @@ -2498,8 +2501,10 @@ static netdev_features_t harmonize_features(struct sk_buff *skb, const struct net_device *dev, netdev_features_t features) { + int tmp; + if (skb->ip_summed != CHECKSUM_NONE && - !can_checksum_protocol(features, skb_network_protocol(skb))) { + !can_checksum_protocol(features, skb_network_protocol(skb, &tmp))) { features &= ~NETIF_F_ALL_CSUM; } else if (illegal_highdma(dev, skb)) { features &= ~NETIF_F_SG; diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 97e5a2c3d947..90b96a11b974 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -2879,8 +2879,9 @@ struct sk_buff *skb_segment(struct sk_buff *head_skb, int err = -ENOMEM; int i = 0; int pos; + int dummy; - proto = skb_network_protocol(head_skb); + proto = skb_network_protocol(head_skb, &dummy); if (unlikely(!proto)) return ERR_PTR(-EINVAL); |