| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <da447d68-8461-4ca5-87ae-dcfdec1308db@6wind.com> Date: Fri, 28 Nov 2025 16:28:57 +0100 From: Nicolas Dichtel <nicolas.dichtel@...nd.com> To: azey <me@...y.net> Cc: Jakub Kicinski <kuba@...nel.org>, David Ahern <dsahern@...nel.org>, "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>, Simon Horman <horms@...nel.org>, netdev <netdev@...r.kernel.org>, linux-kernel <linux-kernel@...r.kernel.org> Subject: Re: [PATCH v2] net/ipv6: allow device-only routes via the multipath API Le 28/11/2025 à 13:38, azey a écrit : > On 2025-11-28 09:38:07 +0100 Nicolas Dichtel <nicolas.dichtel@...nd.com> wrote: >> With IPv6, unlike IPv4, the ECMP next hops can be added one by one. Your commit >> doesn't allow this: >> >> $ ip -6 route add 2002::/64 via fd00:125::2 dev ntfp2 >> $ ip -6 route append 2002::/64 dev ntfp3 >> $ ip -6 route >> 2002::/64 via fd00:125::2 dev ntfp2 metric 1024 pref medium >> 2002::/64 dev ntfp3 metric 1024 pref medium >> ... >> $ ip -6 route append 2002::/64 via fd00:175::2 dev ntfp3 >> $ ip -6 route >> 2002::/64 metric 1024 pref medium >> nexthop via fd00:125::2 dev ntfp2 weight 1 >> nexthop via fd00:175::2 dev ntfp3 weight 1 >> >> Note that the previous route via ntfp3 has been removed. > > I just tested your example in a VM with my patch, and everything works > as you described. This is due to fib6_explicit_ecmp not overriding I tested your patch ;-) 'ip -6 route append 2002::/64 dev ntfp3' failed to add the next hop, a second route was created.
Powered by blists - more mailing lists