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iwlwifi: cleans up scanning code

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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>
This commit is contained in:
Tomas Winkler
2008-06-12 09:47:12 +08:00
committed by John W. Linville
parent e7d326ac43
commit f53696de67
5 changed files with 111 additions and 124 deletions
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14
drivers/net/wireless/iwlwifi/iwl-commands.h
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@@ -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));