Hannes Frederic Sowa wrote:
> On 29.01.2016 12:30, Paolo Abeni wrote:
>> The current implementation of ip6_dst_lookup_tail basically
>> ignore the egress ifindex match: if the saddr is set,
>> ip6_route_output() purposefully ignores flowi6_oif, due
>> to the commit d46a9d678e4c ("net: ipv6: Dont add RT6_LOOKUP_F_IFACE
>> flag if saddr set"), if the saddr is 'any' the first route lookup
>> in ip6_dst_lookup_tail fails, but upon failure a second lookup will
>> be performed with saddr set, thus ignoring the ifindex constraint.
>>
>> This commit adds an output route lookup function variant, which
>> allows the caller to specify lookup flags, and modify
>> ip6_dst_lookup_tail() to enforce the ifindex match on the second
>> lookup via said helper.
>>
>> ip6_route_output() becames now a static inline function build on
>> top of ip6_route_output_flags(); as a side effect, out-of-tree
>> modules need now a GPL license to access the output route lookup
>> functionality.
>>
>> Signed-off-by: Paolo Abeni <pab...@redhat.com>
>> --
>> v1 -> v2 move the ip6_route_output() implementation into the header
>
> Acked-by: Hannes Frederic Sowa <han...@stressinduktion.org>
>
Acked-by: YOSHIFUJI Hideaki <yoshf...@linux-ipv6.org>
--
Hideaki Yoshifuji <hideaki.yoshif...@miraclelinux.com>
Technical Division, MIRACLE LINUX CORPORATION
