From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-we0-f177.google.com ([74.125.82.177]:53325 "EHLO mail-we0-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751057AbaEWHvY convert rfc822-to-8bit (ORCPT ); Fri, 23 May 2014 03:51:24 -0400 Received: by mail-we0-f177.google.com with SMTP id x48so4508800wes.36 for ; Fri, 23 May 2014 00:51:22 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <1400813392.25946.35.camel@dubbel> References: <1400769938.4174.29.camel@jlt4.sipsolutions.net> <1400812703-15685-1-git-send-email-luca@coelho.fi> <1400813392.25946.35.camel@dubbel> Date: Fri, 23 May 2014 09:51:22 +0200 Message-ID: (sfid-20140523_095127_442748_C5AE9343) Subject: Re: [PATCH] mac80211: add a single-transaction driver op to switch contexts From: Michal Kazior To: Luca Coelho Cc: Johannes Berg , linux-wireless Content-Type: text/plain; charset=UTF-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: On 23 May 2014 04:49, Luca Coelho wrote: > On Fri, 2014-05-23 at 05:38 +0300, Luca Coelho wrote: >> From: Luciano Coelho >> >> In some cases, when the driver is already using all the channel >> contexts it can handle at once, we have to do an in-place switch >> (ie. we cannot afford using an extra context temporarily for the >> transaction). But some drivers may not support switching the channel >> context assigned to a vif on the fly (ie. without unassigning and >> assigning it) while others may only work if the context is changed on >> the fly, without unassigning it first. >> >> To allow these different scenarios, add a new driver operation that >> let's the driver decide how to handle an in-place switch. >> >> Additionally, remove the IEEE80211_HW_CHANGE_RUNNING_CHANCTX flag, >> since we never change a running context directly anymore. >> >> Signed-off-by: Luciano Coelho >> --- > > So, this is what I had cooked up. Sorry Michal, I should have synced > with you. Actually I tried to ping you on IRC, but you were not there, > and then I forgot to sync by email. Thanks for explaining. That's not much of a problem. Michał