netdev - Re: [RFCv8 PATCH net-next 00/55] net: extend the type of netdev_features

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Date: Mon, 18 Sep 2023 16:25:14 +0200
From: Alexander Lobakin <aleksander.lobakin@...el.com>
To: "shenjian (K)" <shenjian15@...wei.com>
CC: <davem@...emloft.net>, <kuba@...nel.org>, <ecree.xilinx@...il.com>,
	<andrew@...n.ch>, <hkallweit1@...il.com>, <saeed@...nel.org>,
	<leon@...nel.org>, <netdev@...r.kernel.org>, <linuxarm@...wei.com>, "Sabrina
 Dubroca" <sd@...asysnail.net>
Subject: Re: [RFCv8 PATCH net-next 00/55] net: extend the type of
 netdev_features_t to bitmap

From: Shenjian (K) <shenjian15@...wei.com>
Date: Sat, 16 Sep 2023 15:20:27 +0800

> 
> 
> 在 2023/9/13 18:28, Alexander Lobakin 写道:
>> From: Alexander Lobakin <alexandr.lobakin@...el.com>
>> Date: Mon, 28 Nov 2022 16:51:27 +0100
>>
>>> From: "shenjian (K)" <shenjian15@...wei.com>
>>> Date: Mon, 28 Nov 2022 23:22:28 +0800
>>>
>>>> 2022/11/25 23:44, Alexander Lobakin:
>>>>> From: Jian Shen <shenjian15@...wei.com>
>>>>> Date: Sun, 18 Sep 2022 09:42:41 +0000
>>>>>
>>>>>> For the prototype of netdev_features_t is u64, and the number
>>>>>> of netdevice feature bits is 64 now. So there is no space to
>>>>>> introduce new feature bit.
>>>>>>
>>>>>> This patchset try to solve it by change the prototype of
>>>>>> netdev_features_t from u64 to structure below:
>>>>>>     typedef struct {
>>>>>>         DECLARE_BITMAP(bits, NETDEV_FEATURE_COUNT);
>>>>>>     } netdev_features_t;
>>>>>>
>>>>>> With this change, it's necessary to introduce a set of bitmap
>>>>>> operation helpers for netdev features. [patch 1]
>>>>> Hey,
>>>>>
>>>>> what's the current status, how's going?
>>>>>
>>>>> [...]
>>>> Hi, Alexander
>>>>
>>>> Sorry to reply late, I'm still working on this, dealing with split the
>>>> patchset.
>>> Hey, no worries. Just curious as I believe lots of new features are
>>> waiting for new bits to be available :D
>> Hey,
>>
>> Any news?
> Sorry， Olek .
> 
> Would you like to continue the work ? I thought I could finish this work
> as soon as possible, but in fact, there is a serious time conflict.

Oh well, I'm kinda overloaded as well (as always) and at the same time
won't work with the code during the next month due to conferences and
a vacation :z :D
Would I take this project over, I'd start working on it no sooner than
January 2024, so I don't think that would be a good idea.

Anyone else? +Cc Sabrina, there's "netdev_features_t extension"
mentioned next to her name in one interesting spreadsheet :D

> 
> Jian

[...]

Thanks,
Olek