Return-path: Received: from mail-iw0-f180.google.com ([209.85.223.180]:56057 "EHLO mail-iw0-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755731AbZJ2Sws (ORCPT ); Thu, 29 Oct 2009 14:52:48 -0400 Received: by iwn10 with SMTP id 10so1589690iwn.4 for ; Thu, 29 Oct 2009 11:52:52 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <43e72e890910290918v1ca66bbdk4270eabcae6f5798@mail.gmail.com> References: <1256760832-29063-1-git-send-email-reinette.chatre@intel.com> <43e72e890910290918v1ca66bbdk4270eabcae6f5798@mail.gmail.com> From: "Luis R. Rodriguez" Date: Thu, 29 Oct 2009 11:52:32 -0700 Message-ID: <43e72e890910291152g5325718ah1c55912e928896e3@mail.gmail.com> Subject: Re: [PATCH] mac80211: make align adjustment code support paged SKB To: Reinette Chatre Cc: johannes@sipsolutions.net, linville@tuxdriver.com, linux-wireless@vger.kernel.org, Zhu Yi Content-Type: text/plain; charset=UTF-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Thu, Oct 29, 2009 at 9:18 AM, Luis R. Rodriguez wrote: > On Wed, Oct 28, 2009 at 1:13 PM, Reinette Chatre > wrote: >> From: Zhu Yi >> >> This fixed a BUG_ON in __skb_trim() when paged rx is used in >> iwlwifi driver. Yes, the whole mac80211 stack doesn't support >> paged SKB yet. But let's start the work slowly from small >> code snippets. > > So I just noticed ar9271 segments some frames upon RX. The current > implementation approach is to stitch them back together through a > newly allocated skb after all segments are received. How does iwlwifi > ues paged skbs? How do you keep track of which page is for what frame? > > Can you elaborate on the planned paged skb support on mac80211 you > have. Do you have any queued up patches I can look at this point? OK I see git show 924e10 Anyone taking the mac80211 paged skb support on? Any idea how long it may take to complete? Luis