linux-kernel - Re: [PATCH net] r8152: drop the tx packet with invalid length

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Message-Id: <20141126.120658.498602780456343676.davem@davemloft.net>
Date:	Wed, 26 Nov 2014 12:06:58 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	hayeswang@...ltek.com, netdev@...r.kernel.org,
	nic_swsd@...ltek.com, linux-kernel@...r.kernel.org,
	linux-usb@...r.kernel.org
Subject: Re: [PATCH net] r8152: drop the tx packet with invalid length

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Wed, 26 Nov 2014 08:52:28 -0800

> On Wed, 2014-11-26 at 17:56 +0800, Hayes Wang wrote:
>> Drop the tx packet which is more than the size of agg_buf_sz. When
>> creating a bridge with the device, we may get the tx packet with
>> TSO and the length is more than the gso_max_size which is set by
>> the driver through netif_set_gso_max_size(). Such packets couldn't
>> be transmitted and should be dropped directly.
>> 
>> Signed-off-by: Hayes Wang <hayeswang@...ltek.com>
 ...
> Looks like a candidate for ndo_gso_check(), so that we do not drop, but
> instead segment from netif_needs_gso()/validate_xmit_skb()

You mean have the bridge implement the ndo_gso_check() method right?
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