netdev - Re: [PATCH] net: use hardware buffer pool to allocate skb

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Message-ID: <1413432912.28798.7.camel@edumazet-glaptop2.roam.corp.google.com>
Date:	Wed, 15 Oct 2014 21:15:12 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	"Jiafei.Pan@...escale.com" <Jiafei.Pan@...escale.com>
Cc:	David Miller <davem@...emloft.net>,
	"jkosina@...e.cz" <jkosina@...e.cz>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"LeoLi@...escale.com" <LeoLi@...escale.com>,
	"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>
Subject: Re: [PATCH] net: use hardware buffer pool to allocate skb

On Thu, 2014-10-16 at 02:17 +0000, Jiafei.Pan@...escale.com wrote:

> Thanks for your comments and suggestion. In my case, I want to build skb
> from hardware block specified memory, I only can see two ways, one is modified
> net card driver replace common skb allocation function with my specially
> functions, another way is to hack common skb allocation function in which
> redirect to my specially functions. My patch is just for the second way.
> Except these two ways, would you please give me some advice for some other
> ways for my case? Thanks

I suggest you read drivers/net/ethernet numerous examples.

No need to change anything  in net/* or include/*, really.

For a start, look at drivers/net/ethernet/intel/igb/igb_main.c

Mentioning 'hack' in your mails simply should hint you are doing
something very wrong.

What makes you think your hardware is so special ?


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