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hostapd: Supply default parameters for OBSS scan 

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
View File

@ -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