linux-kernel - Re: [PATCH net-next v2 1/2] net/smc: introduce statistics for allocated ringbufs of link group

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Message-ID: <586beba2-a632-4fe3-9fb5-e118af384204@linux.alibaba.com>
Date: Wed, 14 Aug 2024 11:12:41 +0800
From: Wen Gu <guwen@...ux.alibaba.com>
To: Ido Schimmel <idosch@...sch.org>, Jakub Kicinski <kuba@...nel.org>
Cc: wenjia@...ux.ibm.com, jaka@...ux.ibm.com, davem@...emloft.net,
 edumazet@...gle.com, pabeni@...hat.com, alibuda@...ux.alibaba.com,
 tonylu@...ux.alibaba.com, linux-kernel@...r.kernel.org,
 linux-s390@...r.kernel.org, netdev@...r.kernel.org, danieller@...dia.com
Subject: Re: [PATCH net-next v2 1/2] net/smc: introduce statistics for
 allocated ringbufs of link group



On 2024/8/13 23:13, Ido Schimmel wrote:
> On Tue, Aug 13, 2024 at 07:40:42AM -0700, Jakub Kicinski wrote:
>> On Tue, 13 Aug 2024 17:55:17 +0800 Wen Gu wrote:
>>> On 2024/8/13 08:41, Jakub Kicinski wrote:
>>>> On Wed,  7 Aug 2024 15:59:38 +0800 Wen Gu wrote:
>>>>> +	if (nla_put_u64_64bit(skb, SMC_NLA_LGR_R_SNDBUF_ALLOC,
>>>>> +			      lgr->alloc_sndbufs, SMC_NLA_LGR_R_PAD))
>>>>
>>>> nla_put_uint()
>>>
>>> Hi, Jakub. Thank you for reminder.
>>>
>>> I read the commit log and learned the advantages of this helper.
>>> But it seems that the support for corresponding user-space helpers
>>> hasn't kept up yet, e.g. can't find a helper like nla_get_uint in
>>> latest libnl.
>>
>> Add it, then.
> 
> Danielle added one to libmnl:
> 
> https://git.netfilter.org/libmnl/commit/?id=102942be401a99943b2c68981b238dadfa788f2d
> 
> Intention is to use it in ethtool once it appears in a released version
> of libmnl.

Thanks, that is a good example.