hostap/src/ap/ieee802_11_he.c

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/*
* hostapd / IEEE 802.11ax HE
* Copyright (c) 2016-2017, Qualcomm Atheros, Inc.
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#include "utils/includes.h"
#include "utils/common.h"
#include "common/ieee802_11_defs.h"
#include "common/qca-vendor.h"
#include "hostapd.h"
#include "ap_config.h"
#include "beacon.h"
#include "ieee802_11.h"
#include "dfs.h"
u8 * hostapd_eid_vendor_he_capab(struct hostapd_data *hapd, u8 *eid)
{
struct ieee80211_he_capabilities *cap;
u8 *pos = eid;
if (!hapd->iface->current_mode)
return eid;
/* For now, use a vendor specific element since the P802.11ax draft is
* still subject to changes and the contents of this element may change.
* This can be replaced with the actual element once P802.11ax is
* finalized. */
/* Vendor HE Capabilities element */
*pos++ = WLAN_EID_VENDOR_SPECIFIC;
*pos++ = 4 /* The Vendor OUI, subtype */ +
sizeof(struct ieee80211_he_capabilities);
WPA_PUT_BE32(pos, (OUI_QCA << 8) | QCA_VENDOR_ELEM_HE_CAPAB);
pos += 4;
cap = (struct ieee80211_he_capabilities *) pos;
os_memset(cap, 0, sizeof(*cap));
if (hapd->iface->conf->he_phy_capab.he_su_beamformer)
cap->he_phy_capab_info[HE_PHYCAP_SU_BEAMFORMER_CAPAB_IDX] |=
HE_PHYCAP_SU_BEAMFORMER_CAPAB;
if (hapd->iface->conf->he_phy_capab.he_su_beamformee)
cap->he_phy_capab_info[HE_PHYCAP_SU_BEAMFORMEE_CAPAB_IDX] |=
HE_PHYCAP_SU_BEAMFORMEE_CAPAB;
if (hapd->iface->conf->he_phy_capab.he_mu_beamformer)
cap->he_phy_capab_info[HE_PHYCAP_MU_BEAMFORMER_CAPAB_IDX] |=
HE_PHYCAP_MU_BEAMFORMER_CAPAB;
pos += sizeof(*cap);
return pos;
}
u8 * hostapd_eid_vendor_he_operation(struct hostapd_data *hapd, u8 *eid)
{
struct ieee80211_he_operation *oper;
u8 *pos = eid;
if (!hapd->iface->current_mode)
return eid;
/* For now, use a vendor specific element since the P802.11ax draft is
* still subject to changes and the contents of this element may change.
* This can be replaced with the actual element once P802.11ax is
* finalized. */
/* Vendor HE Operation element */
*pos++ = WLAN_EID_VENDOR_SPECIFIC;
*pos++ = 4 /* The Vendor OUI, subtype */ +
sizeof(struct ieee80211_he_operation);
WPA_PUT_BE32(pos, (OUI_QCA << 8) | QCA_VENDOR_ELEM_HE_OPER);
pos += 4;
oper = (struct ieee80211_he_operation *) pos;
os_memset(oper, 0, sizeof(*oper));
if (hapd->iface->conf->he_op.he_bss_color)
oper->he_oper_params |= hapd->iface->conf->he_op.he_bss_color;
if (hapd->iface->conf->he_op.he_default_pe_duration)
oper->he_oper_params |=
(hapd->iface->conf->he_op.he_default_pe_duration <<
HE_OPERATION_DFLT_PE_DURATION_OFFSET);
if (hapd->iface->conf->he_op.he_twt_required)
oper->he_oper_params |= HE_OPERATION_TWT_REQUIRED;
if (hapd->iface->conf->he_op.he_rts_threshold)
oper->he_oper_params |=
(hapd->iface->conf->he_op.he_rts_threshold <<
HE_OPERATION_RTS_THRESHOLD_OFFSET);
pos += sizeof(*oper);
return pos;
}