Benjamin Poirier e404b8c7cf ipv6: Fix route replacement with dev-only route ... After commit 2759647247 ("ipv6: fix ECMP route replacement") it is no longer possible to replace an ECMP-able route by a non ECMP-able route. For example, ip route add 2001:db8::1/128 via fe80::1 dev dummy0 ip route replace 2001:db8::1/128 dev dummy0 does not work as expected. Tweak the replacement logic so that point 3 in the log of the above commit becomes: 3. If the new route is not ECMP-able, and no matching non-ECMP-able route exists, replace matching ECMP-able route (if any) or add the new route. We can now summarize the entire replace semantics to: When doing a replace, prefer replacing a matching route of the same "ECMP-able-ness" as the replace argument. If there is no such candidate, fallback to the first route found. Fixes: 2759647247 ("ipv6: fix ECMP route replacement") Signed-off-by: Benjamin Poirier <bpoirier@cumulusnetworks.com> Reviewed-by: Michal Kubecek <mkubecek@suse.cz> Signed-off-by: David S. Miller <davem@davemloft.net>		2020-02-16 18:34:31 -08:00
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testing	ipv6: Fix route replacement with dev-only route	2020-02-16 18:34:31 -08:00
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