Thread (9 messages) flat view 9 messages, 4 authors, 2012-12-07

Re: [RFC PATCH] af_packet: don't to defrag shared skb

From: Johannes Berg <johannes@sipsolutions.net>
Date: 2012-12-07 20:41:46
Also in: linux-wireless

On Fri, 2012-12-07 at 15:31 -0500, David Miller wrote:
From: Eric Leblond <redacted>
Date: Fri,  7 Dec 2012 19:56:01 +0100

Wireless folks, please take a look.  The issue is that,
under the circumstances listed below, we get SKBs in
the AF_PACKET input path that are shared.

Given the logic present in ieee80211_deliver_skb() I think
the mac80211 code doesn't expect this either.
Indeed, it would certainly not like this, I'll take a look.

Eric, what's the driver you're using? I'm wondering whether paged skbs
vs. all data in the header would make a difference, hence the question.

johannes
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