fragattacks/src/ap/ieee802_11_he.c
Peng Xu 4a37463416 hostapd: Update HE capabilities and HE operation definition
Replace vendor-specific elements for HE capabilities and HE operation
elements with the P802.11ax defined element values. This version is
based on P802.11ax/D1.4.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
2017-10-05 15:09:43 +03:00

89 lines
2.2 KiB
C

/*
* 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 "hostapd.h"
#include "ap_config.h"
#include "beacon.h"
#include "ieee802_11.h"
#include "dfs.h"
u8 * hostapd_eid_he_capab(struct hostapd_data *hapd, u8 *eid)
{
struct ieee80211_he_capabilities *cap;
u8 *pos = eid;
if (!hapd->iface->current_mode)
return eid;
*pos++ = WLAN_EID_EXTENSION;
*pos++ = 1 + sizeof(struct ieee80211_he_capabilities);
*pos++ = WLAN_EID_EXT_HE_CAPABILITIES;
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_he_operation(struct hostapd_data *hapd, u8 *eid)
{
struct ieee80211_he_operation *oper;
u8 *pos = eid;
if (!hapd->iface->current_mode)
return eid;
*pos++ = WLAN_EID_EXTENSION;
*pos++ = 1 + sizeof(struct ieee80211_he_operation);
*pos++ = WLAN_EID_EXT_HE_OPERATION;
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);
/* TODO: conditional MaxBSSID Indicator subfield */
pos += sizeof(*oper);
return pos;
}