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driver: wifi: siwx91x: Implement scan dwell time

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- Verified and configured scan
  dwell time for active, passive
  and advance scan

Signed-off-by: Nitin Pandey <nitin.pandey@silabs.com>
This commit is contained in:
Nitin Pandey 2025-04-12 11:11:50 +05:30 • committed by Benjamin Cabé
commit bf22b61540
1 changed files with 69 additions and 0 deletions
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69
drivers/wifi/siwx91x/siwx91x_wifi.c
View file

@ -475,6 +475,58 @@ static unsigned int siwx91x_on_scan(sl_wifi_event_t event, sl_wifi_scan_result_t
return 0;
}
static int
siwx91x_configure_scan_dwell_time(sl_wifi_scan_type_t scan_type, uint16_t dwell_time_active,
uint16_t dwell_time_passive,
sl_wifi_advanced_scan_configuration_t *advanced_scan_config)
{
int ret = 0;
if (dwell_time_active && (dwell_time_active < 5 || dwell_time_active > 1000)) {
LOG_ERR("Invalid active scan dwell time");
return -EINVAL;
}
if (dwell_time_passive && (dwell_time_passive < 10 || dwell_time_passive > 1000)) {
LOG_ERR("Invalid passive scan dwell time");
return -EINVAL;
}
switch (scan_type) {
case SL_WIFI_SCAN_TYPE_ACTIVE:
if (!dwell_time_active) {
dwell_time_active = SL_WIFI_DEFAULT_ACTIVE_CHANNEL_SCAN_TIME;
}
ret = sl_si91x_configure_timeout(SL_SI91X_CHANNEL_ACTIVE_SCAN_TIMEOUT,
dwell_time_active);
break;
case SL_WIFI_SCAN_TYPE_PASSIVE:
if (!dwell_time_passive) {
dwell_time_passive = SL_WIFI_DEFAULT_PASSIVE_CHANNEL_SCAN_TIME;
}
ret = sl_si91x_configure_timeout(SL_SI91X_CHANNEL_PASSIVE_SCAN_TIMEOUT,
dwell_time_passive);
break;
case SL_WIFI_SCAN_TYPE_ADV_SCAN:
__ASSERT(advanced_scan_config, "advanced_scan_config cannot be NULL");
if (!dwell_time_active) {
dwell_time_active = CONFIG_WIFI_SILABS_SIWX91X_ADV_ACTIVE_SCAN_DURATION;
}
advanced_scan_config->active_channel_time = dwell_time_active;
if (!dwell_time_passive) {
dwell_time_passive = CONFIG_WIFI_SILABS_SIWX91X_ADV_PASSIVE_SCAN_DURATION;
}
advanced_scan_config->passive_channel_time = dwell_time_passive;
break;
default:
break;
}
return ret;
}
static int siwx91x_scan(const struct device *dev, struct wifi_scan_params *z_scan_config,
scan_result_cb_t cb)
{
@ -510,6 +562,11 @@ static int siwx91x_scan(const struct device *dev, struct wifi_scan_params *z_sca
}
if (sidev->state == WIFI_STATE_COMPLETED) {
siwx91x_configure_scan_dwell_time(SL_WIFI_SCAN_TYPE_ADV_SCAN,
z_scan_config->dwell_time_active,
z_scan_config->dwell_time_passive,
&advanced_scan_config);
ret = sl_wifi_set_advanced_scan_configuration(&advanced_scan_config);
if (ret != SL_STATUS_OK) {
LOG_ERR("advanced scan configuration failed with status %x", ret);
@ -522,8 +579,20 @@ static int siwx91x_scan(const struct device *dev, struct wifi_scan_params *z_sca
} else {
if (z_scan_config->scan_type == WIFI_SCAN_TYPE_ACTIVE) {
sl_scan_config.type = SL_WIFI_SCAN_TYPE_ACTIVE;
ret = siwx91x_configure_scan_dwell_time(SL_WIFI_SCAN_TYPE_ACTIVE,
z_scan_config->dwell_time_active,
z_scan_config->dwell_time_passive,
NULL);
} else {
sl_scan_config.type = SL_WIFI_SCAN_TYPE_PASSIVE;
ret = siwx91x_configure_scan_dwell_time(SL_WIFI_SCAN_TYPE_PASSIVE,
z_scan_config->dwell_time_active,
z_scan_config->dwell_time_passive,
NULL);
}
if (ret != SL_STATUS_OK) {
LOG_ERR("Failed to configure timeout");
return -EINVAL;
}
}