iwlwifi: 802.11n new framework structures preperation

This patch removes unnecessary or duplicate 802.11n data from structures
in the code, and prepares them for new mac80211's 802.11n framework

Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/iwlwifi/iwl-4965-rs.c

@@ -2123,7 +2123,7 @@ static void rs_rate_init(void *priv_rate, void *priv_sta,
 	if (local->hw.conf.phymode == MODE_IEEE80211A)
 		sta->last_txrate += IWL_FIRST_OFDM_RATE;
 
-	crl->is_dup = priv->is_dup;
+	crl->is_dup = 0;
 	crl->valid_antenna = priv->valid_antenna;
 	crl->antenna = priv->antenna;
 	crl->is_green = rs_use_green(priv);

drivers/net/wireless/iwlwifi/iwl-4965.h

@@ -510,22 +510,23 @@ union iwl4965_ht_rate_supp {
 #define CFG_HT_MPDU_DENSITY_2USEC   (0x5)
 #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC
 
-struct sta_ht_info {
+struct iwl_ht_info {
+	/* self configuration data */
 	u8 is_ht;
-	u16 rx_mimo_ps_mode;
+	u8 supported_chan_width;
 	u16 tx_mimo_ps_mode;
-	u16 control_channel;
+	u8 is_green_field;
+	u8 sgf;
 	u8 max_amsdu_size;
 	u8 ampdu_factor;
 	u8 mpdu_density;
-	u8 operating_mode;
-	u8 supported_chan_width;
+	u8 supp_mcs_set[16];
+	/* BSS related data */
+	u8 control_channel;
 	u8 extension_chan_offset;
-	u8 is_green_field;
-	u8 sgf;			/* HT_SHORT_GI_* short guard interval */
-	u8 supp_rates[16];
 	u8 tx_chan_width;
-	u8 chan_width_cap;
+	u8 ht_protection;
+	u8 non_GF_STA_present;
 };
 #endif				/*CONFIG_IWL4965_HT */
 
@@ -1142,12 +1143,6 @@ struct iwl4965_priv {
 	u8 call_post_assoc_from_beacon;
 	u8 assoc_station_added;
 	u8 use_ant_b_for_management_frame;	/* Tx antenna selection */
-
-	/* High Throughput (HT) variables */
-	u8 is_dup;
-	u8 is_ht_enabled;
-	u8 channel_width;	/* 0=20MHZ, 1=40MHZ supported */
-	u8 current_channel_width;
 	u8 valid_antenna;	/* Bit mask of antennas actually connected */
 #ifdef CONFIG_IWL4965_SENSITIVITY
 	struct iwl4965_sensitivity_data sensitivity_data;
@@ -1157,9 +1152,8 @@ struct iwl4965_priv {
 #endif /*CONFIG_IWL4965_SENSITIVITY*/
 
 #ifdef CONFIG_IWL4965_HT
-	struct sta_ht_info current_assoc_ht;
+	struct iwl_ht_info current_ht_config;
 #endif
-	u8 active_rate_ht[2];
 	u8 last_phy_res[100];
 
 	/* Rate scaling data */

drivers/net/wireless/iwlwifi/iwl4965-base.c

@@ -9296,8 +9296,6 @@ static int iwl4965_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e
 
 	priv->ps_mode = 0;
 	priv->use_ant_b_for_management_frame = 1; /* start with ant B */
-	priv->is_ht_enabled = 1;
-	priv->channel_width = IWL_CHANNEL_WIDTH_40MHZ;
 	priv->valid_antenna = 0x7;	/* assume all 3 connected */
 	priv->ps_mode = IWL_MIMO_PS_NONE;