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From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: "Martinez, Ricardo" <ricardo.martinez@linux.intel.com>
Cc: "Jakub Kicinski" <kuba@kernel.org>,
	"Sergey Ryazanov" <ryazanov.s.a@gmail.com>,
	netdev@vger.kernel.org, linux-wireless@vger.kernel.org,
	"David Miller" <davem@davemloft.net>,
	"Johannes Berg" <johannes@sipsolutions.net>,
	"Loic Poulain" <loic.poulain@linaro.org>,
	"M Chetan Kumar" <m.chetan.kumar@intel.com>,
	"Devegowda, Chandrashekar" <chandrashekar.devegowda@intel.com>,
	"Intel Corporation" <linuxwwan@intel.com>,
	chiranjeevi.rapolu@linux.intel.com,
	"Haijun Liu ( 刘海军)" <haijun.liu@mediatek.com>,
	"Hanania, Amir" <amir.hanania@intel.com>,
	"Sharma, Dinesh" <dinesh.sharma@intel.com>,
	"Lee, Eliot" <eliot.lee@intel.com>,
	"Jarvinen, Ilpo Johannes" <ilpo.johannes.jarvinen@intel.com>,
	"Veleta, Moises" <moises.veleta@intel.com>,
	"Bossart, Pierre-louis" <pierre-louis.bossart@intel.com>,
	"Sethuraman, Muralidharan" <muralidharan.sethuraman@intel.com>,
	"Mishra, Soumya Prakash" <Soumya.Prakash.Mishra@intel.com>,
	"Kancharla, Sreehari" <sreehari.kancharla@intel.com>,
	"Sahu, Madhusmita" <madhusmita.sahu@intel.com>
Subject: Re: [PATCH net-next v8 02/14] net: skb: introduce skb_data_area_size()
Date: Tue, 10 May 2022 13:01:06 +0300	[thread overview]
Message-ID: <Yno34pDxbkW0Aqkv@smile.fi.intel.com> (raw)
In-Reply-To: <c4892d58-9d97-8fd7-800d-8433181cbda5@linux.intel.com>

On Mon, May 09, 2022 at 02:37:26PM -0700, Martinez, Ricardo wrote:
> On 5/9/2022 12:50 PM, Jakub Kicinski wrote:
> > On Mon, 9 May 2022 21:34:58 +0300 Sergey Ryazanov wrote:

...

> > We have two cases:
> >   - for Tx - drivers should use skb_headlen();
> >   - for Rx - I presume we are either dealing with fresh or correctly
> >     reset skbs, so we can use skb_tailroom().
> Thanks for the information, looks like indeed we can avoid the helper in
> t7xx driver by following those guidelines.

I think this can be done as a follow up patch.

-- 
With Best Regards,
Andy Shevchenko



  reply	other threads:[~2022-05-10 10:01 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-06 18:12 [PATCH net-next v8 00/14] net: wwan: t7xx: PCIe driver for MediaTek M.2 modem Ricardo Martinez
2022-05-06 18:12 ` [PATCH net-next v8 01/14] list: Add list_next_entry_circular() and list_prev_entry_circular() Ricardo Martinez
2022-05-06 18:12 ` [PATCH net-next v8 02/14] net: skb: introduce skb_data_area_size() Ricardo Martinez
2022-05-09 16:49   ` Jakub Kicinski
2022-05-09 18:34     ` Sergey Ryazanov
2022-05-09 19:50       ` Jakub Kicinski
2022-05-09 21:37         ` Martinez, Ricardo
2022-05-10 10:01           ` Andy Shevchenko [this message]
2022-05-10 13:37         ` Sergey Ryazanov
2022-05-06 18:12 ` [PATCH net-next v8 03/14] net: wwan: t7xx: Add control DMA interface Ricardo Martinez
2022-05-06 18:13 ` [PATCH net-next v8 04/14] net: wwan: t7xx: Add core components Ricardo Martinez
2022-05-06 18:13 ` [PATCH net-next v8 05/14] net: wwan: t7xx: Add port proxy infrastructure Ricardo Martinez
2022-05-06 18:13 ` [PATCH net-next v8 06/14] net: wwan: t7xx: Add control port Ricardo Martinez
2022-05-06 18:13 ` [PATCH net-next v8 07/14] net: wwan: t7xx: Add AT and MBIM WWAN ports Ricardo Martinez
2022-05-06 18:13 ` [PATCH net-next v8 08/14] net: wwan: t7xx: Data path HW layer Ricardo Martinez
2022-05-06 18:13 ` [PATCH net-next v8 09/14] net: wwan: t7xx: Add data path interface Ricardo Martinez
2022-05-06 18:13 ` [PATCH net-next v8 10/14] net: wwan: t7xx: Add WWAN network interface Ricardo Martinez
2022-05-06 18:13 ` [PATCH net-next v8 11/14] net: wwan: t7xx: Introduce power management Ricardo Martinez
2022-05-06 18:13 ` [PATCH net-next v8 12/14] net: wwan: t7xx: Runtime PM Ricardo Martinez
2022-05-06 18:13 ` [PATCH net-next v8 13/14] net: wwan: t7xx: Device deep sleep lock/unlock Ricardo Martinez
2022-05-06 18:13 ` [PATCH net-next v8 14/14] net: wwan: t7xx: Add maintainers and documentation Ricardo Martinez
2022-05-09 11:00 ` [PATCH net-next v8 00/14] net: wwan: t7xx: PCIe driver for MediaTek M.2 modem patchwork-bot+netdevbpf

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