iwlwifi: cleans up scanning code

This patch
1. cleans up scanning code.
2. It adds round robin of TX antannas/chains.

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 3 insertions, 11 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h
index 058e76415042..6613d323262a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-commands.h
@@ -281,16 +281,7 @@ struct iwl_cmd_header {
 #define RATE_MCS_ANT_C_MSK    0x10000
 #define RATE_MCS_ANT_ABC_MSK  0x1C000
 
-
-/**
- * struct iwl4965_tx_power - txpower format used in REPLY_SCAN_CMD
- *
- * Scan uses only one transmitter, so only one analog/dsp gain pair is needed.
- */
-struct iwl4965_tx_power {
-        u8 tx_gain;             /* gain for analog radio */
-        u8 dsp_atten;           /* gain for DSP */
-} __attribute__ ((packed));
+#define RATE_MCS_ANT_INIT_IND   1
 
 #define POWER_TABLE_NUM_ENTRIES                 33
 #define POWER_TABLE_NUM_HT_OFDM_ENTRIES         32
@@ -2128,7 +2119,8 @@ struct iwl_scan_channel {
          */
         u8 type;
         u8 channel;     /* band is selected by iwl4965_scan_cmd "flags" field */
-        struct iwl4965_tx_power tpc;
+        u8 tx_gain;             /* gain for analog radio */
+        u8 dsp_atten;           /* gain for DSP */
         __le16 active_dwell;    /* in 1024-uSec TU (time units), typ 5-50 */
         __le16 passive_dwell;   /* in 1024-uSec TU (time units), typ 20-500 */
 } __attribute__ ((packed));