Jiri Pirko <jiri@xxxxxxxxxxx> wrote: > >> >So if someone wants to change this, simply *only* pass the reassembled > >> >packet through the netfilter hooks and drop the fragments, as in IPv4. > >> > >> This is unfortunatelly not possible because in forwarding use case, the > >> fragments have to be send out as they come in. > > > >No, the IPv6 NAT patches fixed that, we still do proper refragmentation > >and we still respect the original fragment sizes, thus are not responsible > >for potentially exceeding the PMTU on the following path. > > Can you please point where this is done. Where the original fragment > sizes are stored and in which code are they restored? Thanks. Patrick is probably talking about commit 4cdd34084d539c758d00c5dc7bf95db2e4f2bc70 (netfilter: nf_conntrack_ipv6: improve fragmentation handling) which introduces 'frag_max_size' in inet6_skb_parm struct. -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
