Return-path: Received: from mail-ob0-f174.google.com ([209.85.214.174]:58787 "EHLO mail-ob0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759603Ab2D0Dsj (ORCPT ); Thu, 26 Apr 2012 23:48:39 -0400 Received: by obbta14 with SMTP id ta14so494409obb.19 for ; Thu, 26 Apr 2012 20:48:38 -0700 (PDT) From: Ashok Nagarajan To: linux-wireless@vger.kernel.org Cc: linville@tuxdriver.com, johannes@sipsolutions.net, javier@cozybit.com, devel@lists.open80211s.org, Ashok Nagarajan Subject: [PATCH 1/4] mac80211: Advertise HT protection mode in IEs Date: Thu, 26 Apr 2012 20:48:23 -0700 Message-Id: <1335498506-9600-1-git-send-email-ashok@cozybit.com> (sfid-20120427_054915_677315_2AE59E4F) Sender: linux-wireless-owner@vger.kernel.org List-ID: Signed-off-by: Ashok Nagarajan Reviewed-by: Thomas Pedersen --- net/mac80211/ibss.c | 2 +- net/mac80211/ieee80211_i.h | 3 ++- net/mac80211/mesh.c | 3 ++- net/mac80211/util.c | 9 +++------ 4 files changed, 8 insertions(+), 9 deletions(-) diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c index 61cd391..bb1a3e6 100644 --- a/net/mac80211/ibss.c +++ b/net/mac80211/ibss.c @@ -164,7 +164,7 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata, pos = ieee80211_ie_build_ht_cap(pos, &sband->ht_cap, sband->ht_cap.cap); pos = ieee80211_ie_build_ht_oper(pos, &sband->ht_cap, - chan, channel_type); + chan, channel_type, 0); } if (local->hw.queues >= IEEE80211_NUM_ACS) { diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 6cd89d4..ae046b5 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -1497,7 +1497,8 @@ u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, u16 cap); u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, struct ieee80211_channel *channel, - enum nl80211_channel_type channel_type); + enum nl80211_channel_type channel_type, + u16 prot_mode); /* internal work items */ void ieee80211_work_init(struct ieee80211_local *local); diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c index 598a96a..8a952e0 100644 --- a/net/mac80211/mesh.c +++ b/net/mac80211/mesh.c @@ -396,7 +396,8 @@ int mesh_add_ht_oper_ie(struct sk_buff *skb, return -ENOMEM; pos = skb_put(skb, 2 + sizeof(struct ieee80211_ht_operation)); - ieee80211_ie_build_ht_oper(pos, ht_cap, channel, channel_type); + ieee80211_ie_build_ht_oper(pos, ht_cap, channel, channel_type, + sdata->vif.bss_conf.ht_operation_mode); return 0; } diff --git a/net/mac80211/util.c b/net/mac80211/util.c index d9a747d..22f2216 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -1663,7 +1663,8 @@ u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, struct ieee80211_channel *channel, - enum nl80211_channel_type channel_type) + enum nl80211_channel_type channel_type, + u16 prot_mode) { struct ieee80211_ht_operation *ht_oper; /* Build HT Information */ @@ -1689,11 +1690,7 @@ u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, channel_type != NL80211_CHAN_HT20) ht_oper->ht_param |= IEEE80211_HT_PARAM_CHAN_WIDTH_ANY; - /* - * Note: According to 802.11n-2009 9.13.3.1, HT Protection field and - * RIFS Mode are reserved in IBSS mode, therefore keep them at 0 - */ - ht_oper->operation_mode = 0x0000; + ht_oper->operation_mode = cpu_to_le16(prot_mode); ht_oper->stbc_param = 0x0000; /* It seems that Basic MCS set and Supported MCS set -- 1.7.5.4