[BUG] Dropping fragmented IP packets within VLAN frames on bridge

There is a problem with fragmented IP packet sent within 802.1Q tagged ethernet frame through bridge. Problem exists when conntrack is enabled (i.e. nf_conntrack_ipv4 module is loaded). Then, such packets are not fragmented again (after prior reassembling on bridge device) during passing it to brid

Re: [Bridge] [BUG] Dropping fragmented IP packets within VLAN frames on bridge

Stephen Hemminger wrote: > It would be better to account for the tag in the length check. > Something like > if (skb->protocol == htons(ETH_P_IP) && > skb->len > skb->dev->mtu - (IS_VLAN_IP(skb) ? VLAN_HLEN : 0) && > !skb_is_gso(skb)) > return ip_fragment ...