netdev - Re: [PATCH net-next v5 00/10] add sriov support for wangxun NICs

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Message-ID: <20240806152042.GY2636630@kernel.org>
Date: Tue, 6 Aug 2024 16:20:42 +0100
From: Simon Horman <horms@...nel.org>
To: "mengyuanlou@...-swift.com" <mengyuanlou@...-swift.com>
Cc: netdev@...r.kernel.org
Subject: Re: [PATCH net-next v5 00/10] add sriov support for wangxun NICs

On Tue, Aug 06, 2024 at 05:37:36PM +0800, mengyuanlou@...-swift.com wrote:
> 
> 
> > 2024年8月6日 00:40，Simon Horman <horms@...nel.org> 写道：
> > 
> > On Sun, Aug 04, 2024 at 08:48:31PM +0800, Mengyuan Lou wrote:
> >> Add sriov_configure for ngbe and txgbe drivers.
> >> Reallocate queue and irq resources when sriov is enabled.
> >> Add wx_msg_task in interrupts handler, which is used to process the
> >> configuration sent by vfs.
> >> Add ping_vf for wx_pf to tell vfs about pf link change.
> >> Make devlink allocation function generic to use it for PF and for VF.
> >> Add PF/VF devlink port creation. It will be used to set/get VFs.
> > 
> > I think it would be good to summarise the overall status of SR-IOV support
> > with this patch, and what follow-up work is planned. As Jakub mentioned [1]
> > this does not seem complete as is.
> > 
> 
> Ok，got it.

Thanks.

Did you get my 2nd point below?
This seems relevant to you:
- https://lore.kernel.org/netdev/20240620002741.1029936-1-kuba@kernel.org/

> 
> > [1] https://lore.kernel.org/netdev/988BFB51-32C8-499C-837D-91CC1C0FFE42@net-swift.com/
> > 
> > I mean, I understand the NDOs were removed from the patchset (see more on
> > that below) but there needs to be a plan to support users of this device
> > in a meaningful way.
> > 
> >> 
> >> v5:
> >> - Add devlink allocation which will be used to add uAPI.
> >> - Remove unused EXPORT_SYMBOL.
> >> - Unify some functions return styles in patch 1 and patch 4.
> >> - Make the code line less than 80 columns.
> >> v4:
> >> https://lore.kernel.org/netdev/3601E5DE87D2BC4F+20240604155850.51983-1-mengyuanlou@net-swift.com/
> >> - Move wx_ping_vf to patch 6.
> >> - Modify return section format in Kernel docs.
> >> v3:
> >> https://lore.kernel.org/netdev/587FAB7876D85676+20240415110225.75132-1-mengyuanlou@net-swift.com/
> >> - Do not accept any new implementations of the old SR-IOV API.
> >> - So remove ndo_vf_xxx in these patches. Switch mode ops will be added
> >> - in vf driver which will be submitted later.
> > 
> > FYI, this policy was recently significantly relaxed [2]:
> > 
> > [2] https://lore.kernel.org/netdev/20240620002741.1029936-1-kuba@kernel.org/
> > 
> >> v2:
> >> https://lore.kernel.org/netdev/EF19E603F7CCA7B9+20240403092714.3027-1-mengyuanlou@net-swift.com/
> >> - Fix some used uninitialised.
> >> - Use poll + yield with delay instead of busy poll of 10 times in
> >> mbx_lock obtain.
> >> - Split msg_task and flow into separate patches.
> >> v1:
> >> https://lore.kernel.org/netdev/DA3033FE3CCBBB84+20240307095755.7130-1-mengyuanlou@net-swift.com/
> > 
> > ...
> > 
> > 
>