[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <c76fdcf2-29e8-c8a1-2c31-b33bbb88d625@intel.com>
Date: Wed, 7 Dec 2022 17:15:41 -0800
From: Jacob Keller <jacob.e.keller@...el.com>
To: Saeed Mahameed <saeed@...nel.org>,
Tony Nguyen <anthony.l.nguyen@...el.com>
CC: <davem@...emloft.net>, <kuba@...nel.org>, <pabeni@...hat.com>,
<edumazet@...gle.com>, <netdev@...r.kernel.org>,
<richardcochran@...il.com>, <leon@...nel.org>,
Gurucharan G <gurucharanx.g@...el.com>
Subject: Re: [PATCH net-next v2 10/15] ice: disable Tx timestamps while link
is down
On 12/7/2022 3:46 PM, Saeed Mahameed wrote:
> On 07 Dec 13:09, Tony Nguyen wrote:
>> From: Jacob Keller <jacob.e.keller@...el.com>
>>
>> Introduce a new link_down field for the Tx tracker which indicates
>> whether
>> the link is down for a given port.
>>
>> Use this bit to prevent any Tx timestamp requests from starting while
>> link
> Can tx timestamp requests be generated in a context other than the xmit ndo
> ? how ?
>
As far as I know, there is no other way. Only the xmit ndo routine.
> why not just use the same sync mechanisms we have for tx queues,
> carrier_down etc ..?
> Anyway I'm just curious..
Hmm. That's a good point... I'm not sure what caused the case where we
began a transmit request while the link was down...
I'll have to check into that.
Powered by blists - more mailing lists