On Fri, 21 Feb 2014, Hans Schillstrom wrote:
> We will save some cycles here, very few actually..
> I'm not sure about the mobility header if it can break this.
> Have not read the RFC :-)
> The -1 is OK for me right now
I don't see any difference what we use here because
we used -1 in ip_vs_fill_iph_skb. If not validated once, with
-1 we can get a NEXTHDR_NONE result when ipv6_find_hdr
returns without error.
I see that IPVS is hooked before ip6_input_finish()
where all protocol headers without INET6_PROTO_FINAL bit
are pulled from the head.
I guess such headers are pulled one by one and
at a final step after multiple ip6_input calls IPVS can
see the protocols it supports.
So, IPVS catches known protocols if they are
first. IMHO, we can continue to use IPPROTO_ICMPV6
because ipv6_find_hdr always stops at the first final
Julian Anastasov <ja@xxxxxx>
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