[deliverable/linux.git] / net / mac80211 / vht.c

/*
 * VHT handling
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <linux/ieee80211.h>
#include <linux/export.h>
#include <net/mac80211.h>
#include "ieee80211_i.h"


void ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata,
					 struct ieee80211_supported_band *sband,
					 struct ieee80211_vht_cap *vht_cap_ie,
					 struct sta_info *sta)
{
	struct ieee80211_sta_vht_cap *vht_cap = &sta->sta.vht_cap;

	memset(vht_cap, 0, sizeof(*vht_cap));

	if (!sta->sta.ht_cap.ht_supported)
		return;

	if (!vht_cap_ie || !sband->vht_cap.vht_supported)
		return;

	vht_cap->vht_supported = true;

	vht_cap->cap = le32_to_cpu(vht_cap_ie->vht_cap_info);

	/* Copy peer MCS info, the driver might need them. */
	memcpy(&vht_cap->vht_mcs, &vht_cap_ie->supp_mcs,
	       sizeof(struct ieee80211_vht_mcs_info));
}
Commit	Line	Data
818255ea MP	1	/*
	2	* VHT handling
	3	*
	4	* This program is free software; you can redistribute it and/or modify
	5	* it under the terms of the GNU General Public License version 2 as
	6	* published by the Free Software Foundation.
	7	*/
	8
	9	#include <linux/ieee80211.h>
	10	#include <linux/export.h>
	11	#include <net/mac80211.h>
	12	#include "ieee80211_i.h"
	13
	14
	15	void ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata,
	16	struct ieee80211_supported_band *sband,
	17	struct ieee80211_vht_cap *vht_cap_ie,
4a34215e	18	struct sta_info *sta)
818255ea	19	{
4a34215e	20	struct ieee80211_sta_vht_cap *vht_cap = &sta->sta.vht_cap;
818255ea MP	21
	22	memset(vht_cap, 0, sizeof(*vht_cap));
	23
4a34215e JB	24	if (!sta->sta.ht_cap.ht_supported)
	25	return;
	26
818255ea MP	27	if (!vht_cap_ie \|\| !sband->vht_cap.vht_supported)
	28	return;
	29
	30	vht_cap->vht_supported = true;
	31
	32	vht_cap->cap = le32_to_cpu(vht_cap_ie->vht_cap_info);
	33
	34	/* Copy peer MCS info, the driver might need them. */
	35	memcpy(&vht_cap->vht_mcs, &vht_cap_ie->supp_mcs,
	36	sizeof(struct ieee80211_vht_mcs_info));
	37	}