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SubjectRe: [PATCH] netfilter: conntrack: add weak IPV6 dependency
Arnd Bergmann <arnd@arndb.de> wrote:
> Now that the conntrack module contains code for ipv6, we can no longer
> have it built-in while IPv6 itself is a loadable module:
>
> net/netfilter/nf_conntrack_proto.o: In function `nf_ct_netns_do_get':
> nf_conntrack_proto.c:(.text+0x88c): undefined reference to `nf_defrag_ipv6_enable'

AFAICS this is caused by

CONFIG_NF_CONNTRACK=y
CONFIG_IPV6=m
CONFIG_NF_DEFRAG_IPV6=m

This is exported via nf_defrag_ipv6.ko.

nf_defrag_ipv6 has an ipv6 dependency, but i think it might be avoidable
so this would work:

CONFIG_NF_CONNTRACK=y
CONFIG_NF_DEFRAG_IPV6=y
CONFIG_IPV6=m

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