Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
[safe/jmp/linux-2.6] / drivers / net / wireless / iwlwifi / iwl3945-base.c
index 3e5bffb..6c353ca 100644 (file)
@@ -1844,6 +1844,49 @@ static void iwl3945_irq_tasklet(struct iwl_priv *priv)
 #endif
 }
 
+static int iwl3945_get_single_channel_for_scan(struct iwl_priv *priv,
+                                              struct ieee80211_vif *vif,
+                                              enum ieee80211_band band,
+                                              struct iwl3945_scan_channel *scan_ch)
+{
+       const struct ieee80211_supported_band *sband;
+       u16 passive_dwell = 0;
+       u16 active_dwell = 0;
+       int added = 0;
+       u8 channel = 0;
+
+       sband = iwl_get_hw_mode(priv, band);
+       if (!sband) {
+               IWL_ERR(priv, "invalid band\n");
+               return added;
+       }
+
+       active_dwell = iwl_get_active_dwell_time(priv, band, 0);
+       passive_dwell = iwl_get_passive_dwell_time(priv, band, vif);
+
+       if (passive_dwell <= active_dwell)
+               passive_dwell = active_dwell + 1;
+
+
+       channel = iwl_get_single_channel_number(priv, band);
+
+       if (channel) {
+               scan_ch->channel = channel;
+               scan_ch->type = 0;      /* passive */
+               scan_ch->active_dwell = cpu_to_le16(active_dwell);
+               scan_ch->passive_dwell = cpu_to_le16(passive_dwell);
+               /* Set txpower levels to defaults */
+               scan_ch->tpc.dsp_atten = 110;
+               if (band == IEEE80211_BAND_5GHZ)
+                       scan_ch->tpc.tx_gain = ((1 << 5) | (3 << 3)) | 3;
+               else
+                       scan_ch->tpc.tx_gain = ((1 << 5) | (5 << 3));
+               added++;
+       } else
+               IWL_ERR(priv, "no valid channel found\n");
+       return added;
+}
+
 static int iwl3945_get_channels_for_scan(struct iwl_priv *priv,
                                         enum ieee80211_band band,
                                     u8 is_active, u8 n_probes,
@@ -2992,9 +3035,16 @@ void iwl3945_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
        /* select Rx antennas */
        scan->flags |= iwl3945_get_antenna_flags(priv);
 
-       scan->channel_count =
-               iwl3945_get_channels_for_scan(priv, band, is_active, n_probes,
-                       (void *)&scan->data[le16_to_cpu(scan->tx_cmd.len)], vif);
+       if (priv->is_internal_short_scan) {
+               scan->channel_count =
+                       iwl3945_get_single_channel_for_scan(priv, vif, band,
+                               (void *)&scan->data[le16_to_cpu(
+                               scan->tx_cmd.len)]);
+       } else {
+               scan->channel_count =
+                       iwl3945_get_channels_for_scan(priv, band, is_active, n_probes,
+                               (void *)&scan->data[le16_to_cpu(scan->tx_cmd.len)], vif);
+       }
 
        if (scan->channel_count == 0) {
                IWL_DEBUG_SCAN(priv, "channel count %d\n", scan->channel_count);