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iwlwifi: fix bug to show hidden APs during scan
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@intel.com> Tested-by: Bill Moss <bmoss@clemson.edu> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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@ -6309,18 +6309,23 @@ static void iwl3945_bg_request_scan(struct work_struct *data)
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if (priv->iw_mode == IEEE80211_IF_TYPE_MNTR)
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scan->filter_flags = RXON_FILTER_PROMISC_MSK;
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if (direct_mask)
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if (direct_mask) {
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IWL_DEBUG_SCAN
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("Initiating direct scan for %s.\n",
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iwl3945_escape_essid(priv->essid, priv->essid_len));
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else
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scan->channel_count =
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iwl3945_get_channels_for_scan(
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priv, band, 1, /* active */
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direct_mask,
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(void *)&scan->data[le16_to_cpu(scan->tx_cmd.len)]);
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} else {
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IWL_DEBUG_SCAN("Initiating indirect scan.\n");
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scan->channel_count =
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iwl3945_get_channels_for_scan(
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priv, band, 1, /* active */
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direct_mask,
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(void *)&scan->data[le16_to_cpu(scan->tx_cmd.len)]);
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scan->channel_count =
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iwl3945_get_channels_for_scan(
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priv, band, 0, /* passive */
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direct_mask,
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(void *)&scan->data[le16_to_cpu(scan->tx_cmd.len)]);
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}
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cmd.len += le16_to_cpu(scan->tx_cmd.len) +
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scan->channel_count * sizeof(struct iwl3945_scan_channel);
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@ -6744,18 +6744,23 @@ static void iwl4965_bg_request_scan(struct work_struct *data)
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if (priv->iw_mode == IEEE80211_IF_TYPE_MNTR)
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scan->filter_flags = RXON_FILTER_PROMISC_MSK;
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if (direct_mask)
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if (direct_mask) {
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IWL_DEBUG_SCAN
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("Initiating direct scan for %s.\n",
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iwl4965_escape_essid(priv->essid, priv->essid_len));
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else
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scan->channel_count =
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iwl4965_get_channels_for_scan(
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priv, band, 1, /* active */
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direct_mask,
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(void *)&scan->data[le16_to_cpu(scan->tx_cmd.len)]);
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} else {
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IWL_DEBUG_SCAN("Initiating indirect scan.\n");
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scan->channel_count =
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iwl4965_get_channels_for_scan(
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priv, band, 1, /* active */
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direct_mask,
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(void *)&scan->data[le16_to_cpu(scan->tx_cmd.len)]);
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scan->channel_count =
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iwl4965_get_channels_for_scan(
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priv, band, 0, /* passive */
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direct_mask,
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(void *)&scan->data[le16_to_cpu(scan->tx_cmd.len)]);
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}
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cmd.len += le16_to_cpu(scan->tx_cmd.len) +
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scan->channel_count * sizeof(struct iwl4965_scan_channel);
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