/*
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* hostapd / IEEE 802.11ax HE
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* Copyright (c) 2016-2017, Qualcomm Atheros, Inc.
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*
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* This software may be distributed under the terms of the BSD license.
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* See README for more details.
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*/
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#include "utils/includes.h"
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#include "utils/common.h"
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#include "common/ieee802_11_defs.h"
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#include "hostapd.h"
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#include "ap_config.h"
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#include "beacon.h"
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#include "ieee802_11.h"
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#include "dfs.h"
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u8 * hostapd_eid_he_capab(struct hostapd_data *hapd, u8 *eid)
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{
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struct ieee80211_he_capabilities *cap;
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u8 *pos = eid;
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if (!hapd->iface->current_mode)
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return eid;
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*pos++ = WLAN_EID_EXTENSION;
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*pos++ = 1 + sizeof(struct ieee80211_he_capabilities);
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*pos++ = WLAN_EID_EXT_HE_CAPABILITIES;
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cap = (struct ieee80211_he_capabilities *) pos;
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os_memset(cap, 0, sizeof(*cap));
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if (hapd->iface->conf->he_phy_capab.he_su_beamformer)
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cap->he_phy_capab_info[HE_PHYCAP_SU_BEAMFORMER_CAPAB_IDX] |=
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HE_PHYCAP_SU_BEAMFORMER_CAPAB;
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if (hapd->iface->conf->he_phy_capab.he_su_beamformee)
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cap->he_phy_capab_info[HE_PHYCAP_SU_BEAMFORMEE_CAPAB_IDX] |=
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HE_PHYCAP_SU_BEAMFORMEE_CAPAB;
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if (hapd->iface->conf->he_phy_capab.he_mu_beamformer)
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cap->he_phy_capab_info[HE_PHYCAP_MU_BEAMFORMER_CAPAB_IDX] |=
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HE_PHYCAP_MU_BEAMFORMER_CAPAB;
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pos += sizeof(*cap);
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return pos;
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}
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u8 * hostapd_eid_he_operation(struct hostapd_data *hapd, u8 *eid)
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{
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struct ieee80211_he_operation *oper;
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u8 *pos = eid;
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if (!hapd->iface->current_mode)
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return eid;
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*pos++ = WLAN_EID_EXTENSION;
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*pos++ = 1 + sizeof(struct ieee80211_he_operation);
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*pos++ = WLAN_EID_EXT_HE_OPERATION;
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oper = (struct ieee80211_he_operation *) pos;
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os_memset(oper, 0, sizeof(*oper));
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if (hapd->iface->conf->he_op.he_bss_color)
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oper->he_oper_params |= hapd->iface->conf->he_op.he_bss_color;
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if (hapd->iface->conf->he_op.he_default_pe_duration)
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oper->he_oper_params |=
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(hapd->iface->conf->he_op.he_default_pe_duration <<
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HE_OPERATION_DFLT_PE_DURATION_OFFSET);
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if (hapd->iface->conf->he_op.he_twt_required)
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oper->he_oper_params |= HE_OPERATION_TWT_REQUIRED;
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if (hapd->iface->conf->he_op.he_rts_threshold)
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oper->he_oper_params |=
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(hapd->iface->conf->he_op.he_rts_threshold <<
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HE_OPERATION_RTS_THRESHOLD_OFFSET);
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/* TODO: conditional MaxBSSID Indicator subfield */
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pos += sizeof(*oper);
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return pos;
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}
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u8 * hostapd_eid_he_mu_edca_parameter_set(struct hostapd_data *hapd, u8 *eid)
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{
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struct ieee80211_he_mu_edca_parameter_set *edca;
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u8 *pos;
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size_t i;
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pos = (u8 *) &hapd->iface->conf->he_mu_edca;
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for (i = 0; i < sizeof(*edca); i++) {
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if (pos[i])
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break;
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}
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if (i == sizeof(*edca))
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return eid; /* no MU EDCA Parameters configured */
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pos = eid;
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*pos++ = WLAN_EID_EXTENSION;
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*pos++ = 1 + sizeof(*edca);
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*pos++ = WLAN_EID_EXT_HE_MU_EDCA_PARAMS;
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edca = (struct ieee80211_he_mu_edca_parameter_set *) pos;
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os_memcpy(edca, &hapd->iface->conf->he_mu_edca, sizeof(*edca));
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wpa_hexdump(MSG_DEBUG, "HE: MU EDCA Parameter Set element",
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pos, sizeof(*edca));
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pos += sizeof(*edca);
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return pos;
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}
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