Return-path: Received: from mail-ee0-f47.google.com ([74.125.83.47]:65516 "EHLO mail-ee0-f47.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754186AbaCRN7H (ORCPT ); Tue, 18 Mar 2014 09:59:07 -0400 Received: by mail-ee0-f47.google.com with SMTP id b15so5365796eek.20 for ; Tue, 18 Mar 2014 06:59:06 -0700 (PDT) From: Michal Kazior To: linux-wireless@vger.kernel.org Cc: johannes@sipsolutions.net, Michal Kazior Subject: [RFC 01/21] mac80211: add support for radar detection for reservations Date: Tue, 18 Mar 2014 14:53:04 +0100 Message-Id: <1395150804-24090-2-git-send-email-michal.kazior@tieto.com> (sfid-20140318_145926_405091_0F943B19) In-Reply-To: <1395150804-24090-1-git-send-email-michal.kazior@tieto.com> References: <1395150804-24090-1-git-send-email-michal.kazior@tieto.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: Initial chanctx reservation code wasn't aware of radar detection requirements. This is necessary for chanctx reservations to be used for channel switching in the future. Signed-off-by: Michal Kazior --- net/mac80211/chan.c | 5 ++++- net/mac80211/ieee80211_i.h | 4 +++- 2 files changed, 7 insertions(+), 2 deletions(-) diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c index 74b0df6..a3704d4 100644 --- a/net/mac80211/chan.c +++ b/net/mac80211/chan.c @@ -723,7 +723,8 @@ int ieee80211_vif_unreserve_chanctx(struct ieee80211_sub_if_data *sdata) int ieee80211_vif_reserve_chanctx(struct ieee80211_sub_if_data *sdata, const struct cfg80211_chan_def *chandef, - enum ieee80211_chanctx_mode mode) + enum ieee80211_chanctx_mode mode, + bool radar_required) { struct ieee80211_local *local = sdata->local; struct ieee80211_chanctx_conf *conf; @@ -764,6 +765,7 @@ int ieee80211_vif_reserve_chanctx(struct ieee80211_sub_if_data *sdata, new_ctx->refcount++; sdata->reserved_chanctx = new_ctx; sdata->reserved_chandef = *chandef; + sdata->reserved_radar_required = radar_required; out: mutex_unlock(&local->chanctx_mtx); return ret; @@ -808,6 +810,7 @@ int ieee80211_vif_use_reserved_context(struct ieee80211_sub_if_data *sdata, /* unref our reservation */ ctx->refcount--; sdata->reserved_chanctx = NULL; + sdata->radar_required = sdata->reserved_radar_required; if (old_ctx == ctx) { /* This is our own context, just change it */ diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index a32d62d..15556fe 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -759,6 +759,7 @@ struct ieee80211_sub_if_data { /* context reservation -- protected with chanctx_mtx */ struct ieee80211_chanctx *reserved_chanctx; struct cfg80211_chan_def reserved_chandef; + bool reserved_radar_required; /* used to reconfigure hardware SM PS */ struct work_struct recalc_smps; @@ -1776,7 +1777,8 @@ ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata, int __must_check ieee80211_vif_reserve_chanctx(struct ieee80211_sub_if_data *sdata, const struct cfg80211_chan_def *chandef, - enum ieee80211_chanctx_mode mode); + enum ieee80211_chanctx_mode mode, + bool radar_required); int __must_check ieee80211_vif_use_reserved_context(struct ieee80211_sub_if_data *sdata, u32 *changed); -- 1.8.5.3