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hostapd: Supply default parameters for OBSS scan

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For some client OBSS implementations that are performed in
firmware, all OBSS parameters need to be set to valid values.
Do this, as well as supplying the "20/40 Coex Mgmt Support"
flag in the extended capabilities IE.

Signed-hostap: Paul Stewart <pstew@chromium.org>
This commit is contained in:
Paul Stewart 2014-03-12 15:28:39 -07:00 committed by Jouni Malinen
parent 6e9375e4e1
commit db63757dbc
2 changed files with 18 additions and 1 deletions
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15
src/ap/ieee802_11_ht.c
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@ -54,7 +54,20 @@ u8 * hostapd_eid_ht_capabilities(struct hostapd_data *hapd, u8 *eid)
scan_params->width_trigger_scan_interval =
host_to_le16(hapd->iconf->obss_interval);
/* TODO: Fill in more parameters (supplicant ignores them) */
/* Fill in default values for remaining parameters
* (IEEE Std 802.11-2012, 8.4.2.61 and MIB defval) */
scan_params->scan_passive_dwell =
host_to_le16(20);
scan_params->scan_active_dwell =
host_to_le16(10);
scan_params->scan_passive_total_per_channel =
host_to_le16(200);
scan_params->scan_active_total_per_channel =
host_to_le16(20);
scan_params->channel_transition_delay_factor =
host_to_le16(5);
scan_params->scan_activity_threshold =
host_to_le16(25);
pos += sizeof(*scan_params);
}

4
src/ap/ieee802_11_shared.c
View file

@ -170,6 +170,8 @@ static void hostapd_ext_capab_byte(struct hostapd_data *hapd, u8 *pos, int idx)
switch (idx) {
case 0: /* Bits 0-7 */
if (hapd->iconf->obss_interval)
*pos |= 0x01; /* Bit 0 - Coexistence management */
break;
case 1: /* Bits 8-15 */
break;
@ -223,6 +225,8 @@ u8 * hostapd_eid_ext_capab(struct hostapd_data *hapd, u8 *eid)
len = 4;
if (len < 3 && hapd->conf->wnm_sleep_mode)
len = 3;
if (len < 1 && hapd->iconf->obss_interval)
len = 1;
if (len < 7 && hapd->conf->ssid.utf8_ssid)
len = 7;
#ifdef CONFIG_WNM