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Commit 431e3154 authored by Ashok Nagarajan's avatar Ashok Nagarajan Committed by John W. Linville
Browse files

mac80211: Advertise HT protection mode in IEs 



Signed-off-by: default avatarAshok Nagarajan <ashok@cozybit.com>
Reviewed-by: default avatarThomas Pedersen <thomas@cozybit.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent ef9456a8

net/mac80211/ibss.c

+1 −1
Original line number Diff line number Diff line
@@ -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) {

net/mac80211/ieee80211_i.h

+2 −1
Original line number Diff line number Diff line
@@ -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);

net/mac80211/mesh.c

+2 −1
Original line number Diff line number Diff line
@@ -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;

}

net/mac80211/util.c

+3 −6
Original line number Diff line number Diff line
@@ -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