Search Linux Wireless

[PATCH 1/6] iwlwifi: fix bug to show hidden APs during scan

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Indirect scanning ('iwlist scan') should report information about
hidden APs. When an AP is hidden it does not respond to active scanning,
we thus have to use passive scanning to locate these APs.

This fixes http://bughost.org/bugzilla/show_bug.cgi?id=1499

Signed-off-by: Reinette Chatre <reinette.chatre@xxxxxxxxx>
Tested-by: Bill Moss <bmoss@xxxxxxxxxxx>
---
 drivers/net/wireless/iwlwifi/iwl3945-base.c |   21 +++++++++++++--------
 drivers/net/wireless/iwlwifi/iwl4965-base.c |   21 +++++++++++++--------
 2 files changed, 26 insertions(+), 16 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index ecf749c..ed48134 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -6309,18 +6309,23 @@ static void iwl3945_bg_request_scan(struct work_struct *data)
 	if (priv->iw_mode == IEEE80211_IF_TYPE_MNTR)
 		scan->filter_flags = RXON_FILTER_PROMISC_MSK;
 
-	if (direct_mask)
+	if (direct_mask) {
 		IWL_DEBUG_SCAN
 		    ("Initiating direct scan for %s.\n",
 		     iwl3945_escape_essid(priv->essid, priv->essid_len));
-	else
+		scan->channel_count =
+			iwl3945_get_channels_for_scan(
+				priv, band, 1, /* active */
+				direct_mask,
+				(void *)&scan->data[le16_to_cpu(scan->tx_cmd.len)]);
+	} else {
 		IWL_DEBUG_SCAN("Initiating indirect scan.\n");
-
-	scan->channel_count =
-		iwl3945_get_channels_for_scan(
-			priv, band, 1, /* active */
-			direct_mask,
-			(void *)&scan->data[le16_to_cpu(scan->tx_cmd.len)]);
+		scan->channel_count =
+			iwl3945_get_channels_for_scan(
+				priv, band, 0, /* passive */
+				direct_mask,
+				(void *)&scan->data[le16_to_cpu(scan->tx_cmd.len)]);
+	}
 
 	cmd.len += le16_to_cpu(scan->tx_cmd.len) +
 	    scan->channel_count * sizeof(struct iwl3945_scan_channel);
diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c
index 28c64c3..74b06b1 100644
--- a/drivers/net/wireless/iwlwifi/iwl4965-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c
@@ -6821,18 +6821,23 @@ static void iwl4965_bg_request_scan(struct work_struct *data)
 	if (priv->iw_mode == IEEE80211_IF_TYPE_MNTR)
 		scan->filter_flags = RXON_FILTER_PROMISC_MSK;
 
-	if (direct_mask)
+	if (direct_mask) {
 		IWL_DEBUG_SCAN
 		    ("Initiating direct scan for %s.\n",
 		     iwl4965_escape_essid(priv->essid, priv->essid_len));
-	else
+		scan->channel_count =
+			iwl4965_get_channels_for_scan(
+				priv, band, 1, /* active */
+				direct_mask,
+				(void *)&scan->data[le16_to_cpu(scan->tx_cmd.len)]);
+	} else {
 		IWL_DEBUG_SCAN("Initiating indirect scan.\n");
-
-	scan->channel_count =
-		iwl4965_get_channels_for_scan(
-			priv, band, 1, /* active */
-			direct_mask,
-			(void *)&scan->data[le16_to_cpu(scan->tx_cmd.len)]);
+		scan->channel_count =
+			iwl4965_get_channels_for_scan(
+				priv, band, 0, /* passive */
+				direct_mask,
+				(void *)&scan->data[le16_to_cpu(scan->tx_cmd.len)]);
+	}
 
 	cmd.len += le16_to_cpu(scan->tx_cmd.len) +
 	    scan->channel_count * sizeof(struct iwl4965_scan_channel);
-- 
1.5.3.4

--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Linux Host AP]     [ATH6KL]     [Linux Bluetooth]     [Linux Netdev]     [Kernel Newbies]     [Linux Kernel]     [IDE]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux ATA RAID]     [Samba]     [Device Mapper]
  Powered by Linux