Re: [PATCH net v3] ipv6:flush ipv6 route cache when rule is changed

[Lena Wang (王娜)]

On Thu, 2024-02-29 at 09:39 +0100, Jiri Pirko wrote:
>  	 
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>  Thu, Feb 29, 2024 at 09:24:54AM CET, Lena.Wang@xxxxxxxxxxxx wrote:
> >On Wed, 2024-02-28 at 16:50 +0100, Jiri Pirko wrote:
> >>   
> >> External email : Please do not click links or open attachments
> until
> >> you have verified the sender or the content.
> >>  Wed, Feb 28, 2024 at 04:38:56PM CET, Lena.Wang@xxxxxxxxxxxx
> wrote:
> >> >From: Shiming Cheng <shiming.cheng@xxxxxxxxxxxx>
> >> >
> >> >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The sock's skb still uses a outdated route cache and was sent to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.
> >> >
> >> >Signed-off-by: Shiming Cheng <shiming.cheng@xxxxxxxxxxxx>
> >> >Signed-off-by: Lena Wang <lena.wang@xxxxxxxxxxxx>
> >> 
> >> 1) You are still missing Fixes tags, I don't know what to say.
> >I am sorry for the confuse. My previous change log of fix tag is a
> >wrong description for "PATCH net v2".
> >
> >Current patch doesn't fix previous commit. It is more like missing
> >flush since the first commit 101367c2f8c4 of creating fib6_rules.c.
> Is
> >it OK to add this fix or omit fix tag?
> 
> No, the "Fixes" tag needs to be present. In this case, it looks like:
> Fixes: 101367c2f8c4 ("[IPV6]: Policy Routing Rules")
> Is the appropriate one. Isn't it?
> 
OK, I will update it later in v4.
Many thanks.

> >
> >> 2) Re patch subject:
> >>    "ipv6:flush ipv6 route cache when rule is changed"
> >>    Could it be:
> >>    "ipv6: fib6_rules: flush route cache when rule is changed"
> >>    ? please.
> >Yes, I will update later in v4.
> >
> >> 3) Could you please honor the 24h hours resubmission rule:
> >> 
> >
> https://www.kernel.org/doc/html/v6.6/process/maintainer-netdev.html#tl-dr
> >> 
> >OK. I will follow the rule later.
> >
> >> pw-bot: cr