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iwlwifi: fix bug to show hidden APs during scan

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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>
This commit is contained in:
Reinette Chatre 2008-03-11 16:17:15 -07:00 committed by John W. Linville
parent 35cdeaf410
commit 26c0f03f6b
2 changed files with 26 additions and 16 deletions
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13
drivers/net/wireless/iwlwifi/iwl3945-base.c
View File

@ -6309,18 +6309,23 @@ static void iwl3945_bg_request_scan(struct work_struct *data)
if (priv->iw_mode == IEEE80211_IF_TYPE_MNTR) if (priv->iw_mode == IEEE80211_IF_TYPE_MNTR)
scan->filter_flags = RXON_FILTER_PROMISC_MSK; scan->filter_flags = RXON_FILTER_PROMISC_MSK;
if (direct_mask) if (direct_mask) {
IWL_DEBUG_SCAN IWL_DEBUG_SCAN
("Initiating direct scan for %s.\n", ("Initiating direct scan for %s.\n",
iwl3945_escape_essid(priv->essid, priv->essid_len)); iwl3945_escape_essid(priv->essid, priv->essid_len));
else
IWL_DEBUG_SCAN("Initiating indirect scan.\n");
scan->channel_count = scan->channel_count =
iwl3945_get_channels_for_scan( iwl3945_get_channels_for_scan(
priv, band, 1, /* active */ priv, band, 1, /* active */
direct_mask, direct_mask,
(void *)&scan->data[le16_to_cpu(scan->tx_cmd.len)]); (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, 0, /* passive */
direct_mask,
(void *)&scan->data[le16_to_cpu(scan->tx_cmd.len)]);
}
cmd.len += le16_to_cpu(scan->tx_cmd.len) + cmd.len += le16_to_cpu(scan->tx_cmd.len) +
scan->channel_count * sizeof(struct iwl3945_scan_channel); scan->channel_count * sizeof(struct iwl3945_scan_channel);

13
drivers/net/wireless/iwlwifi/iwl4965-base.c
View File

@ -6744,18 +6744,23 @@ static void iwl4965_bg_request_scan(struct work_struct *data)
if (priv->iw_mode == IEEE80211_IF_TYPE_MNTR) if (priv->iw_mode == IEEE80211_IF_TYPE_MNTR)
scan->filter_flags = RXON_FILTER_PROMISC_MSK; scan->filter_flags = RXON_FILTER_PROMISC_MSK;
if (direct_mask) if (direct_mask) {
IWL_DEBUG_SCAN IWL_DEBUG_SCAN
("Initiating direct scan for %s.\n", ("Initiating direct scan for %s.\n",
iwl4965_escape_essid(priv->essid, priv->essid_len)); iwl4965_escape_essid(priv->essid, priv->essid_len));
else
IWL_DEBUG_SCAN("Initiating indirect scan.\n");
scan->channel_count = scan->channel_count =
iwl4965_get_channels_for_scan( iwl4965_get_channels_for_scan(
priv, band, 1, /* active */ priv, band, 1, /* active */
direct_mask, direct_mask,
(void *)&scan->data[le16_to_cpu(scan->tx_cmd.len)]); (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, 0, /* passive */
direct_mask,
(void *)&scan->data[le16_to_cpu(scan->tx_cmd.len)]);
}
cmd.len += le16_to_cpu(scan->tx_cmd.len) + cmd.len += le16_to_cpu(scan->tx_cmd.len) +
scan->channel_count * sizeof(struct iwl4965_scan_channel); scan->channel_count * sizeof(struct iwl4965_scan_channel);