Re: [PATCH net] flow_dissector: do not dissect l4 ports for fragments

2018-11-09 Thread David Miller
From: Eric Dumazet Date: Fri, 9 Nov 2018 16:53:06 -0800 > From: 배석진 > > Only first fragment has the sport/dport information, > not the following ones. > > If we want consistent hash for all fragments, we need to > ignore ports even for first fragment. > > This bug is visible for IPv6

[PATCH net] flow_dissector: do not dissect l4 ports for fragments

2018-11-09 Thread Eric Dumazet
From: 배석진 Only first fragment has the sport/dport information, not the following ones. If we want consistent hash for all fragments, we need to ignore ports even for first fragment. This bug is visible for IPv6 traffic, if incoming fragments do not have a flow label, since skb_get_hash() will