netdev - RE: [Intel-wired-lan] [PATCH iwl-next v6 10/15] idpf: add splitq start

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Message-ID: <MW4PR11MB5911E4114A4346991695A4CDBA4B9@MW4PR11MB5911.namprd11.prod.outlook.com>
Date: Tue, 30 May 2023 23:00:00 +0000
From: "Singh, Krishneil K" <krishneil.k.singh@...el.com>
To: "Linga, Pavan Kumar" <pavan.kumar.linga@...el.com>,
	"intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>
CC: "willemb@...gle.com" <willemb@...gle.com>, "pabeni@...hat.com"
	<pabeni@...hat.com>, "leon@...nel.org" <leon@...nel.org>, "mst@...hat.com"
	<mst@...hat.com>, "simon.horman@...igine.com" <simon.horman@...igine.com>,
	"Brandeburg, Jesse" <jesse.brandeburg@...el.com>,
	"stephen@...workplumber.org" <stephen@...workplumber.org>,
	"edumazet@...gle.com" <edumazet@...gle.com>, "Nguyen, Anthony L"
	<anthony.l.nguyen@...el.com>, "netdev@...r.kernel.org"
	<netdev@...r.kernel.org>, "kuba@...nel.org" <kuba@...nel.org>, "Burra, Phani
 R" <phani.r.burra@...el.com>, "decot@...gle.com" <decot@...gle.com>,
	"davem@...emloft.net" <davem@...emloft.net>, "shannon.nelson@....com"
	<shannon.nelson@....com>
Subject: RE: [Intel-wired-lan] [PATCH iwl-next v6 10/15] idpf: add splitq
 start_xmit

> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces@...osl.org> On Behalf Of
> Pavan Kumar Linga
> Sent: Monday, May 22, 2023 5:23 PM
> To: intel-wired-lan@...ts.osuosl.org
> Cc: willemb@...gle.com; pabeni@...hat.com; leon@...nel.org;
> mst@...hat.com; simon.horman@...igine.com; Brandeburg, Jesse
> <jesse.brandeburg@...el.com>; stephen@...workplumber.org;
> edumazet@...gle.com; Nguyen, Anthony L
> <anthony.l.nguyen@...el.com>; netdev@...r.kernel.org; kuba@...nel.org;
> Burra, Phani R <phani.r.burra@...el.com>; decot@...gle.com;
> davem@...emloft.net; shannon.nelson@....com
> Subject: [Intel-wired-lan] [PATCH iwl-next v6 10/15] idpf: add splitq
> start_xmit
> 
> From: Joshua Hay <joshua.a.hay@...el.com>
> 
> Add start_xmit support for split queue model. To start with, add the
> necessary checks to linearize the skb if it uses more number of
> buffers than the hardware supported limit. Stop the transmit queue
> if there are no enough descriptors available for the skb to use or
> if there we're going to potentially overrun the completion queue.
> Finally prepare the descriptor with all the required
> information and update the tail.
> 
> Signed-off-by: Joshua Hay <joshua.a.hay@...el.com>
> Co-developed-by: Alan Brady <alan.brady@...el.com>
> Signed-off-by: Alan Brady <alan.brady@...el.com>
> Co-developed-by: Madhu Chittim <madhu.chittim@...el.com>
> Signed-off-by: Madhu Chittim <madhu.chittim@...el.com>
> Co-developed-by: Phani Burra <phani.r.burra@...el.com>
> Signed-off-by: Phani Burra <phani.r.burra@...el.com>
> Co-developed-by: Pavan Kumar Linga <pavan.kumar.linga@...el.com>
> Signed-off-by: Pavan Kumar Linga <pavan.kumar.linga@...el.com>
> Reviewed-by: Sridhar Samudrala <sridhar.samudrala@...el.com>
> Reviewed-by: Willem de Bruijn <willemb@...gle.com>
> ---
>  drivers/net/ethernet/intel/idpf/idpf.h        |   3 +-
>  .../net/ethernet/intel/idpf/idpf_lan_txrx.h   | 143 ++++
>  drivers/net/ethernet/intel/idpf/idpf_lib.c    |   1 +
>  drivers/net/ethernet/intel/idpf/idpf_txrx.c   | 802 ++++++++++++++++++
>  drivers/net/ethernet/intel/idpf/idpf_txrx.h   | 167 +++-
>  5 files changed, 1108 insertions(+), 8 deletions(-)
> 

Tested-by: Krishneil Singh  <krishneil.k.singh@...el.com>