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path: root/drivers/net/wireless/mwifiex/scan.c
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Diffstat (limited to 'drivers/net/wireless/mwifiex/scan.c')
-rw-r--r--drivers/net/wireless/mwifiex/scan.c55
1 files changed, 36 insertions, 19 deletions
diff --git a/drivers/net/wireless/mwifiex/scan.c b/drivers/net/wireless/mwifiex/scan.c
index 9171aaedbccd..9189a32b7844 100644
--- a/drivers/net/wireless/mwifiex/scan.c
+++ b/drivers/net/wireless/mwifiex/scan.c
@@ -153,7 +153,7 @@ mwifiex_is_wpa_oui_present(struct mwifiex_bssdescriptor *bss_desc, u32 cipher)
if (((bss_desc->bcn_wpa_ie) &&
((*(bss_desc->bcn_wpa_ie)).vend_hdr.element_id ==
- WLAN_EID_WPA))) {
+ WLAN_EID_VENDOR_SPECIFIC))) {
iebody = (struct ie_body *) bss_desc->bcn_wpa_ie->data;
oui = &mwifiex_wpa_oui[cipher][0];
ret = mwifiex_search_oui_in_ie(iebody, oui);
@@ -202,7 +202,7 @@ mwifiex_is_bss_no_sec(struct mwifiex_private *priv,
if (!priv->sec_info.wep_enabled && !priv->sec_info.wpa_enabled &&
!priv->sec_info.wpa2_enabled && ((!bss_desc->bcn_wpa_ie) ||
((*(bss_desc->bcn_wpa_ie)).vend_hdr.element_id !=
- WLAN_EID_WPA)) &&
+ WLAN_EID_VENDOR_SPECIFIC)) &&
((!bss_desc->bcn_rsn_ie) ||
((*(bss_desc->bcn_rsn_ie)).ieee_hdr.element_id !=
WLAN_EID_RSN)) &&
@@ -237,7 +237,8 @@ mwifiex_is_bss_wpa(struct mwifiex_private *priv,
{
if (!priv->sec_info.wep_enabled && priv->sec_info.wpa_enabled &&
!priv->sec_info.wpa2_enabled && ((bss_desc->bcn_wpa_ie) &&
- ((*(bss_desc->bcn_wpa_ie)).vend_hdr.element_id == WLAN_EID_WPA))
+ ((*(bss_desc->bcn_wpa_ie)).
+ vend_hdr.element_id == WLAN_EID_VENDOR_SPECIFIC))
/*
* Privacy bit may NOT be set in some APs like
* LinkSys WRT54G && bss_desc->privacy
@@ -309,7 +310,8 @@ mwifiex_is_bss_adhoc_aes(struct mwifiex_private *priv,
if (!priv->sec_info.wep_enabled && !priv->sec_info.wpa_enabled &&
!priv->sec_info.wpa2_enabled &&
((!bss_desc->bcn_wpa_ie) ||
- ((*(bss_desc->bcn_wpa_ie)).vend_hdr.element_id != WLAN_EID_WPA)) &&
+ ((*(bss_desc->bcn_wpa_ie)).
+ vend_hdr.element_id != WLAN_EID_VENDOR_SPECIFIC)) &&
((!bss_desc->bcn_rsn_ie) ||
((*(bss_desc->bcn_rsn_ie)).ieee_hdr.element_id != WLAN_EID_RSN)) &&
!priv->sec_info.encryption_mode && bss_desc->privacy) {
@@ -329,7 +331,8 @@ mwifiex_is_bss_dynamic_wep(struct mwifiex_private *priv,
if (!priv->sec_info.wep_enabled && !priv->sec_info.wpa_enabled &&
!priv->sec_info.wpa2_enabled &&
((!bss_desc->bcn_wpa_ie) ||
- ((*(bss_desc->bcn_wpa_ie)).vend_hdr.element_id != WLAN_EID_WPA)) &&
+ ((*(bss_desc->bcn_wpa_ie)).
+ vend_hdr.element_id != WLAN_EID_VENDOR_SPECIFIC)) &&
((!bss_desc->bcn_rsn_ie) ||
((*(bss_desc->bcn_rsn_ie)).ieee_hdr.element_id != WLAN_EID_RSN)) &&
priv->sec_info.encryption_mode && bss_desc->privacy) {
@@ -938,6 +941,11 @@ mwifiex_config_scan(struct mwifiex_private *priv,
chan_idx)->chan_scan_mode_bitmap
&= ~MWIFIEX_PASSIVE_SCAN;
+ if (*filtered_scan)
+ (scan_chan_list +
+ chan_idx)->chan_scan_mode_bitmap
+ |= MWIFIEX_DISABLE_CHAN_FILT;
+
if (user_scan_in->chan_list[chan_idx].scan_time) {
scan_dur = (u16) user_scan_in->
chan_list[chan_idx].scan_time;
@@ -1759,26 +1767,39 @@ int mwifiex_ret_802_11_scan(struct mwifiex_private *priv,
}
if (priv->report_scan_result)
priv->report_scan_result = false;
- if (priv->scan_pending_on_block) {
- priv->scan_pending_on_block = false;
- up(&priv->async_sem);
- }
if (priv->user_scan_cfg) {
- dev_dbg(priv->adapter->dev,
- "info: %s: sending scan results\n", __func__);
- cfg80211_scan_done(priv->scan_request, 0);
- priv->scan_request = NULL;
+ if (priv->scan_request) {
+ dev_dbg(priv->adapter->dev,
+ "info: notifying scan done\n");
+ cfg80211_scan_done(priv->scan_request, 0);
+ priv->scan_request = NULL;
+ } else {
+ dev_dbg(priv->adapter->dev,
+ "info: scan already aborted\n");
+ }
+
kfree(priv->user_scan_cfg);
priv->user_scan_cfg = NULL;
}
} else {
- if (!mwifiex_wmm_lists_empty(adapter)) {
+ if (priv->user_scan_cfg && !priv->scan_request) {
+ spin_unlock_irqrestore(&adapter->scan_pending_q_lock,
+ flags);
+ adapter->scan_delay_cnt = MWIFIEX_MAX_SCAN_DELAY_CNT;
+ mod_timer(&priv->scan_delay_timer, jiffies);
+ dev_dbg(priv->adapter->dev,
+ "info: %s: triggerring scan abort\n", __func__);
+ } else if (!mwifiex_wmm_lists_empty(adapter) &&
+ (priv->scan_request && (priv->scan_request->flags &
+ NL80211_SCAN_FLAG_LOW_PRIORITY))) {
spin_unlock_irqrestore(&adapter->scan_pending_q_lock,
flags);
adapter->scan_delay_cnt = 1;
mod_timer(&priv->scan_delay_timer, jiffies +
msecs_to_jiffies(MWIFIEX_SCAN_DELAY_MSEC));
+ dev_dbg(priv->adapter->dev,
+ "info: %s: deferring scan\n", __func__);
} else {
/* Get scan command from scan_pending_q and put to
cmd_pending_q */
@@ -1891,7 +1912,6 @@ int mwifiex_request_scan(struct mwifiex_private *priv,
__func__);
return -1;
}
- priv->scan_pending_on_block = true;
priv->adapter->scan_wait_q_woken = false;
@@ -1905,10 +1925,7 @@ int mwifiex_request_scan(struct mwifiex_private *priv,
if (!ret)
ret = mwifiex_wait_queue_complete(priv->adapter);
- if (ret == -1) {
- priv->scan_pending_on_block = false;
- up(&priv->async_sem);
- }
+ up(&priv->async_sem);
return ret;
}