netdev - Re: [PATCH net v2 6/7] net: hibmcge: fix not restore rx pause mac addr after reset issue

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Message-ID: <7ff44c86-6366-4362-be9a-bde195aa671e@huawei.com>
Date: Thu, 10 Apr 2025 09:07:23 +0800
From: Jijie Shao <shaojijie@...wei.com>
To: Jakub Kicinski <kuba@...nel.org>
CC: <shaojijie@...wei.com>, <davem@...emloft.net>, <edumazet@...gle.com>,
	<pabeni@...hat.com>, <andrew+netdev@...n.ch>, <horms@...nel.org>,
	<shenjian15@...wei.com>, <wangpeiyang1@...wei.com>, <liuyonglong@...wei.com>,
	<chenhao418@...wei.com>, <jonathan.cameron@...wei.com>,
	<shameerali.kolothum.thodi@...wei.com>, <salil.mehta@...wei.com>,
	<netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH net v2 6/7] net: hibmcge: fix not restore rx pause mac
 addr after reset issue


on 2025/4/8 1:11, Jakub Kicinski wrote:
> On Mon, 7 Apr 2025 09:06:42 +0800 Jijie Shao wrote:
>> on 2025/4/4 22:58, Jakub Kicinski wrote:
>>> On Thu, 3 Apr 2025 21:53:10 +0800 Jijie Shao wrote:
>>>> In normal cases, the driver must ensure that the value
>>>> of rx pause mac addr is the same as the MAC address of
>>>> the network port. This ensures that the driver can
>>>> receive pause frames whose destination address is
>>>> the MAC address of the network port.
>>> I thought "in normal cases" pause frames use 01:80:C2:00:00:01
>>> as the destination address!?
>> No, the address set in .ndo_set_mac_address() is used.
>> 01:80:C2:00:00:01 is supported by default. No additional configuration is required.
> Are you talking about source or destination?
> How does the sender learn the receiver's address? Via LLDP?
> You need to explain all this much better in the commit message.
> It is not "normal" for a switched Ethernet network.


ok,

Thanks
Jijie Shao