netdev - Re: special handling before ndo_start

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Date:	Sat, 30 Jul 2011 16:24:59 +0800
From:	"jiangtao.jit" <jiangtao.jit@...il.com>
To:	"Jiri Pirko" <jpirko@...hat.com>
Cc:	"netdev" <netdev@...r.kernel.org>
Subject: Re: special handling before ndo_start_xmit() been invoked

Jiri:

1. do some filter rules implemented in an externl module
    without NF_HOOK on a bridge
2. output skb through NIC and virtual net_devices
3. mirror a port

and so on.



2011-07-30 
jiangtao.jit 



发件人： Jiri Pirko 
发送时间： 2011-07-29  03:38:03 
收件人： jiangtao.jit 
抄送： netdev 
主题： Re: special handling before ndo_start_xmit() been invoked 
 
What would you want to achieve with that?
Wed, Jul 27, 2011 at 12:48:37PM CEST, jiangtao.jit@...il.com wrote:
>Hi all:
>
>in struct net_device
>there is a function pointer    rx_handler_func_t __rcu *rx_handler
>it's very convenient to register a function in an externel module
>and do some special handlings
>
>so i think what about to add an tx_handler_func
>before        ndo_start_xmit() been invoked
>and do some special things before transmit
>
>is it necessary or there is already some other better methods to achieve this goal ?
>Thank you all
>
>-------
>2011-07-27 
>jiangtao.jit 
>
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