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AP: Update the HE regulatory information AP types for the 6 GHz band

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Update the HE regulatory information AP types based on IEEE
P802.11-REVme/D4.0. Set the default AP type to VLP. Check for valid
values when setting 'he_6ghz_reg_pwr_type' in the interface
configuration.

Signed-off-by: Ilan Peer <ilan.peer@intel.com>
This commit is contained in:
Ilan Peer 2023-12-22 11:04:17 +02:00 committed by Jouni Malinen
parent 2d4f905214
commit ada9083ac4
7 changed files with 33 additions and 18 deletions
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6
hostapd/config_file.c
View file

@ -3675,6 +3675,12 @@ static int hostapd_config_fill(struct hostapd_config *conf,
}
} else if (os_strcmp(buf, "he_6ghz_reg_pwr_type") == 0) {
conf->he_6ghz_reg_pwr_type = atoi(pos);
if (conf->he_6ghz_reg_pwr_type > HE_REG_INFO_6GHZ_AP_TYPE_MAX) {
wpa_printf(MSG_ERROR,
"Line %d: invalid he_6ghz_reg_pwr_type value",
line);
return 1;
}
} else if (os_strcmp(buf, "he_oper_chwidth") == 0) {
conf->he_oper_chwidth = atoi(pos);
} else if (os_strcmp(buf, "he_oper_centr_freq_seg0_idx") == 0) {

9
hostapd/hostapd.conf
View file

@ -980,9 +980,14 @@ wmm_ac_vo_acm=0
# 6 GHz Access Point type
# This config is to set the 6 GHz Access Point type. Possible options are:
# 0 = Indoor AP (default)
# 1 = Standard Power AP
# 0 = Indoor AP
# 1 = Standard power AP
# 2 = Very low power AP (default)
# 3 = Indoor enabled AP
# 4 = Indoor standard power AP
# This has no impact for operation on other bands.
# See IEEE P802.11-REVme/D4.0, Table E-12 (Regulatory Info subfield encoding)
# for more details.
#he_6ghz_reg_pwr_type=0
# Unsolicited broadcast Probe Response transmission settings

1
src/ap/ap_config.c
View file

@ -281,6 +281,7 @@ struct hostapd_config * hostapd_config_defaults(void)
conf->he_6ghz_max_ampdu_len_exp = 7;
conf->he_6ghz_rx_ant_pat = 1;
conf->he_6ghz_tx_ant_pat = 1;
conf->he_6ghz_reg_pwr_type = HE_REG_INFO_6GHZ_AP_TYPE_VLP;
#endif /* CONFIG_IEEE80211AX */
/* The third octet of the country string uses an ASCII space character

7
src/ap/beacon.c
View file

@ -620,7 +620,7 @@ static size_t hostapd_probe_resp_elems_len(struct hostapd_data *hapd,
/* An additional Transmit Power Envelope element for
* subordinate client */
if (hapd->iconf->he_6ghz_reg_pwr_type ==
HE_6GHZ_INDOOR_AP)
HE_REG_INFO_6GHZ_AP_TYPE_INDOOR)
buflen += 4;
}
}
@ -1930,7 +1930,8 @@ static u8 * hostapd_gen_fils_discovery(struct hostapd_data *hapd, size_t *len)
/* Transmit Power Envelope element(s) */
if (is_6ghz_op_class(hapd->iconf->op_class)) {
total_len += 4;
if (hapd->iconf->he_6ghz_reg_pwr_type == HE_6GHZ_INDOOR_AP)
if (hapd->iconf->he_6ghz_reg_pwr_type ==
HE_REG_INFO_6GHZ_AP_TYPE_INDOOR)
total_len += 4;
}
#endif /* CONFIG_IEEE80211AX */
@ -2095,7 +2096,7 @@ int ieee802_11_build_ap_params(struct hostapd_data *hapd,
/* An additional Transmit Power Envelope element for
* subordinate client */
if (hapd->iconf->he_6ghz_reg_pwr_type ==
HE_6GHZ_INDOOR_AP)
HE_REG_INFO_6GHZ_AP_TYPE_INDOOR)
tail_len += 4;
}
}

3
src/ap/ieee802_11.c
View file

@ -7073,7 +7073,8 @@ u8 * hostapd_eid_txpower_envelope(struct hostapd_data *hapd, u8 *eid)
/* Indoor Access Point must include an additional TPE for
* subordinate devices */
if (iconf->he_6ghz_reg_pwr_type == HE_6GHZ_INDOOR_AP) {
if (iconf->he_6ghz_reg_pwr_type ==
HE_REG_INFO_6GHZ_AP_TYPE_INDOOR) {
/* TODO: Extract PSD limits from channel data */
tx_pwr = REG_PSD_MAX_TXPOWER_FOR_SUBORDINATE_CLIENT * 2;
eid = hostapd_add_tpe_info(eid, tx_pwr_count,

10
src/ap/ieee802_11_he.c
View file

@ -254,12 +254,10 @@ u8 * hostapd_eid_he_operation(struct hostapd_data *hapd, u8 *eid)
control = 3;
else
control = center_idx_to_bw_6ghz(seg0);
if (hapd->iconf->he_6ghz_reg_pwr_type == 1)
control |= HE_6GHZ_STANDARD_POWER_AP <<
HE_6GHZ_OPER_INFO_CTRL_REG_INFO_SHIFT;
else
control |= HE_6GHZ_INDOOR_AP <<
HE_6GHZ_OPER_INFO_CTRL_REG_INFO_SHIFT;
control |= hapd->iconf->he_6ghz_reg_pwr_type <<
HE_6GHZ_OPER_INFO_CTRL_REG_INFO_SHIFT;
*pos++ = control;
/* Channel Center Freq Seg0/Seg1 */

15
src/common/ieee802_11_defs.h
View file

@ -2448,14 +2448,17 @@ struct ieee80211_spatial_reuse {
#define HE_OPERATION_BSS_COLOR_MAX 64
/**
* enum he_6ghz_ap_type - Allowed Access Point types for 6 GHz Band
* enum he_reg_info_6ghz_ap_type - Allowed Access Point types for 6 GHz Band
*
* IEEE Std 802.11ax-2021, Table E-12 (Regulatory Info subfield encoding in the
* United States)
* IEEE P802.11-REVme/D4.0, Table E-12 (Regulatory Info subfield encoding)
*/
enum he_6ghz_ap_type {
HE_6GHZ_INDOOR_AP = 0,
HE_6GHZ_STANDARD_POWER_AP = 1,
enum he_reg_info_6ghz_ap_type {
HE_REG_INFO_6GHZ_AP_TYPE_INDOOR = 0,
HE_REG_INFO_6GHZ_AP_TYPE_SP = 1,
HE_REG_INFO_6GHZ_AP_TYPE_VLP = 2,
HE_REG_INFO_6GHZ_AP_TYPE_INDOOR_ENABLED = 3,
HE_REG_INFO_6GHZ_AP_TYPE_INDOOR_SP = 4,
HE_REG_INFO_6GHZ_AP_TYPE_MAX = HE_REG_INFO_6GHZ_AP_TYPE_INDOOR_SP,
};
/* Spatial Reuse defines */