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

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Message-ID: <724a884e-d5ca-8192-b3be-bf68711be515@huawei.com>
Date:   Mon, 28 Nov 2022 23:22:28 +0800
From:   "shenjian (K)" <shenjian15@...wei.com>
To:     Alexander Lobakin <alexandr.lobakin@...el.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>
Subject: Re: [RFCv8 PATCH net-next 00/55] net: extend the type of
 netdev_features_t to bitmap



在 2022/11/25 23:44, Alexander Lobakin 写道:
> 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.

Btw, could you kindly review this V8 set?  I have adjusted the protocol 
of many interfaces and helpers,
to avoiding return or pass data large than 64bits. Hope to get more 
opinions.

Thanks!

Jian
>> -- 
>> 2.33.0
> Thanks,
> Olek
> .
>