iwlwifi: send cmd to uCode to configure valid tx antenna

In order for uCode to select the valid antennas for transmit, driver
need to configure the allowed tx antennas through host command.

The TX_ANT_CONFIGURATION_CMD should be used for 5000 series and up

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 11 insertions, 1 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h
index 2c5c88fc38f5..e5f40f35dc3f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-commands.h
@@ -148,7 +148,7 @@ enum {
         QUIET_NOTIFICATION = 0x96,              /* not used */
         REPLY_TX_PWR_TABLE_CMD = 0x97,
         REPLY_TX_POWER_DBM_CMD_V1 = 0x98,       /* old version of API */
-        TX_ANT_CONFIGURATION_CMD = 0x98,        /* not used */
+        TX_ANT_CONFIGURATION_CMD = 0x98,
         MEASURE_ABORT_NOTIFICATION = 0x99,      /* not used */
 
         /* Bluetooth device coexistence config command */
@@ -411,6 +411,16 @@ struct iwl5000_tx_power_dbm_cmd {
         u8 reserved;
 } __attribute__ ((packed));
 
+/**
+ * Command TX_ANT_CONFIGURATION_CMD = 0x98
+ * This command is used to configure valid Tx antenna.
+ * By default uCode concludes the valid antenna according to the radio flavor.
+ * This command enables the driver to override/modify this conclusion.
+ */
+struct iwl_tx_ant_config_cmd {
+        __le32 valid;
+} __attribute__ ((packed));
+
 /******************************************************************************
  * (0a)
  * Alive and Error Commands & Responses: