netdev - Re: Information about napi_struct and net

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Message-ID: <20121028231300.GA27196@electric-eye.fr.zoreil.com>
Date:	Mon, 29 Oct 2012 00:13:00 +0100
From:	Francois Romieu <romieu@...zoreil.com>
To:	Javier Domingo <javierdo1@...il.com>
Cc:	netdev@...r.kernel.org
Subject: Re: Information about napi_struct and net_device

Javier Domingo <javierdo1@...il.com> :
[...]
>               inside of the net_device structure, I know I can take
> the net_device pointer as documented in [3], but how may  I obtain the
> napi_struct from the netdevice? or I am doing it the wrong way?

You are doing it the wrong way. The napi_struct you need is not embedded
here. See

$ less +/napi drivers/net/ethernet/realtek/8139cp.c

(first match in struct cp_private).

You should really read one of the existing drivers.

-- 
Ueimor
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