diff options
| -rw-r--r-- | net/core/dev.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index ec5be1c7f2f1..220f52a1001e 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -217,7 +217,7 @@ static inline struct hlist_head *dev_index_hash(struct net *net, int ifindex) static inline void *skb_gro_mac_header(struct sk_buff *skb) { - return skb_headlen(skb) ? skb_mac_header(skb) : + return skb_mac_header(skb) < skb->data ? skb_mac_header(skb) : page_address(skb_shinfo(skb)->frags[0].page) + skb_shinfo(skb)->frags[0].page_offset; } @@ -2469,11 +2469,19 @@ int dev_gro_receive(struct napi_struct *napi, struct sk_buff *skb) napi->gro_list = skb; ret = GRO_HELD; +pull: + if (unlikely(!pskb_may_pull(skb, skb_gro_offset(skb)))) { + if (napi->gro_list == skb) + napi->gro_list = skb->next; + ret = GRO_DROP; + } + ok: return ret; normal: - return GRO_NORMAL; + ret = GRO_NORMAL; + goto pull; } EXPORT_SYMBOL(dev_gro_receive); @@ -2589,14 +2597,10 @@ EXPORT_SYMBOL(napi_fraginfo_skb); int napi_frags_finish(struct napi_struct *napi, struct sk_buff *skb, int ret) { int err = NET_RX_SUCCESS; - int may; switch (ret) { case GRO_NORMAL: case GRO_HELD: - may = pskb_may_pull(skb, skb_gro_offset(skb)); - BUG_ON(!may); - skb->protocol = eth_type_trans(skb, napi->dev); if (ret == GRO_NORMAL) |