Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
> > switch (protonum) {
> > +#if IS_ENABLED(CONFIG_IPV6)
> > case IPPROTO_ICMPV6:
> > return icmpv6_pkt_to_tuple(skb, dataoff, net, tuple);
> > +#endif
>
> So the question in my mind is what happens when conntrack is built in
> to the kernel but IPv6 is built as a module?
Should work, there is no dependency on ipv6.ko.
The missing functions are implemented in proto_icmpv6.c and
net/netfilter/Makefile has:
nf_conntrack-$(subst m,y,$(CONFIG_IPV6)) += nf_conntrack_proto_icmpv6.o
