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Message-ID: <20240304204511.2026a56b@kernel.org>
Date: Mon, 4 Mar 2024 20:45:11 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: "Lena Wang (王娜)" <Lena.Wang@...iatek.com>
Cc: "davem@...emloft.net" <davem@...emloft.net>, "edumazet@...gle.com"
 <edumazet@...gle.com>, "pabeni@...hat.com" <pabeni@...hat.com>,
 "jiri@...nulli.us" <jiri@...nulli.us>, "dsahern@...nel.org"
 <dsahern@...nel.org>, "linux-kernel@...r.kernel.org"
 <linux-kernel@...r.kernel.org>, "netdev@...r.kernel.org"
 <netdev@...r.kernel.org>, "Shiming Cheng (成诗明)"
 <Shiming.Cheng@...iatek.com>
Subject: Re: [PATCH net v4] ipv6: fib6_rules: flush route cache when rule is
 changed

On Fri, 1 Mar 2024 14:39:46 +0000 Lena Wang (王娜) wrote:
> From: Shiming Cheng <shiming.cheng@...iatek.com>
> 
> 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 The sock's skb still uses a outdated route cache and was sent to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.
> 
> 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.

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