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Date: Mon, 4 Mar 2024 20:45:11 -0800
From: Jakub Kicinski <kuba@kernel.org>
To: "Lena Wang (=?UTF-8?B?546L5aic?=)" <Lena.Wang@mediatek.com>
Cc: "davem@davemloft.net" <davem@davemloft.net>, "edumazet@google.com"
 <edumazet@google.com>, "pabeni@redhat.com" <pabeni@redhat.com>,
 "jiri@resnulli.us" <jiri@resnulli.us>, "dsahern@kernel.org"
 <dsahern@kernel.org>, "linux-kernel@vger.kernel.org"
 <linux-kernel@vger.kernel.org>, "netdev@vger.kernel.org"
 <netdev@vger.kernel.org>, "Shiming Cheng (=?UTF-8?B?5oiQ6K+X5piO?=)"
 <Shiming.Cheng@mediatek.com>
Subject: Re: [PATCH net v4] ipv6: fib6_rules: flush route cache when rule is
 changed
Message-ID: <20240304204511.2026a56b@kernel.org>
In-Reply-To: <09f2ab1b7946339da5092e10aa216e07c579c60b.camel@mediatek.com>
References: <09f2ab1b7946339da5092e10aa216e07c579c60b.camel@mediatek.com>
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On Fri, 1 Mar 2024 14:39:46 +0000 Lena Wang (=E7=8E=8B=E5=A8=9C) wrote:
> From: Shiming Cheng <shiming.cheng@mediatek.com>
>=20
> When rule policy is changed, ipv6 socket cache is not refreshed.
> The sock's skb still uses a outdated route cache and was sent to
> a wrong interface.
>=20
> To avoid this error we should update fib node's version when
> rule is changed. Then skb's route will be reroute checked as
> route cache version is already different with fib node version.
> The route cache is refreshed to match the latest rule.

Doesn't apply, please rebase on top of latest net/main.