iwlwifi: 802.11n configuring hw_mode parameters to support HT in A/G

This patch fills the mac80211's ieee80211_hw_mode structures with the
needed 802.11n data needed for the new 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.c

@@ -3768,6 +3768,30 @@ static int parse_elems(u8 *start, size_t len, struct ieee802_11_elems *elems)
 
 	return 0;
 }
+
+void iwl4965_init_ht_hw_capab(struct ieee80211_ht_info *ht_info, int mode)
+{
+	ht_info->cap = 0;
+	memset(ht_info->supp_mcs_set, 0, 16);
+
+	ht_info->ht_supported = 1;
+
+	if (mode == MODE_IEEE80211A) {
+		ht_info->cap |= (u16)IEEE80211_HT_CAP_SUP_WIDTH;
+		ht_info->cap |= (u16)IEEE80211_HT_CAP_SGI_40;
+		ht_info->supp_mcs_set[4] = 0x01;
+	}
+	ht_info->cap |= (u16)IEEE80211_HT_CAP_GRN_FLD;
+	ht_info->cap |= (u16)IEEE80211_HT_CAP_SGI_20;
+	ht_info->cap |= (u16)(IEEE80211_HT_CAP_MIMO_PS &
+			     (IWL_MIMO_PS_NONE << 2));
+
+	ht_info->ampdu_factor = CFG_HT_RX_AMPDU_FACTOR_DEF;
+	ht_info->ampdu_density = CFG_HT_MPDU_DENSITY_DEF;
+
+	ht_info->supp_mcs_set[0] = 0xFF;
+	ht_info->supp_mcs_set[1] = 0xFF;
+}
 #endif /* CONFIG_IWL4965_HT */
 
 static void iwl4965_sta_modify_ps_wake(struct iwl4965_priv *priv, int sta_id)

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

@@ -801,6 +801,8 @@ extern int iwl4965_set_fat_chan_info(struct iwl4965_priv *priv, int phymode,
 extern void iwl4965_rf_kill_ct_config(struct iwl4965_priv *priv);
 
 #ifdef CONFIG_IWL4965_HT
+extern void iwl4965_init_ht_hw_capab(struct ieee80211_ht_info *ht_info,
+					int mode);
 #ifdef CONFIG_IWL4965_HT_AGG
 extern int iwl4965_mac_ht_tx_agg_start(struct ieee80211_hw *hw, u8 *da,
 				   u16 tid, u16 *start_seq_num);

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

@@ -5822,10 +5822,8 @@ static int iwl4965_init_geos(struct iwl4965_priv *priv)
 		A = 0,
 		B = 1,
 		G = 2,
-		A_11N = 3,
-		G_11N = 4,
 	};
-	int mode_count = 5;
+	int mode_count = 3;
 
 	if (priv->modes) {
 		IWL_DEBUG_INFO("Geography modes already initialized.\n");
@@ -5865,6 +5863,9 @@ static int iwl4965_init_geos(struct iwl4965_priv *priv)
 	modes[A].num_rates = 8;	/* just OFDM */
 	modes[A].rates = &rates[4];
 	modes[A].num_channels = 0;
+#ifdef CONFIG_IWL4965_HT
+	iwl4965_init_ht_hw_capab(&modes[A].ht_info, MODE_IEEE80211A);
+#endif
 
 	modes[B].mode = MODE_IEEE80211B;
 	modes[B].channels = channels;
@@ -5877,18 +5878,9 @@ static int iwl4965_init_geos(struct iwl4965_priv *priv)
 	modes[G].rates = rates;
 	modes[G].num_rates = 12;	/* OFDM & CCK */
 	modes[G].num_channels = 0;
-
-	modes[G_11N].mode = MODE_IEEE80211G;
-	modes[G_11N].channels = channels;
-	modes[G_11N].num_rates = 13;        /* OFDM & CCK */
-	modes[G_11N].rates = rates;
-	modes[G_11N].num_channels = 0;
-
-	modes[A_11N].mode = MODE_IEEE80211A;
-	modes[A_11N].channels = &channels[ARRAY_SIZE(iwl4965_eeprom_band_1)];
-	modes[A_11N].rates = &rates[4];
-	modes[A_11N].num_rates = 9; /* just OFDM */
-	modes[A_11N].num_channels = 0;
+#ifdef CONFIG_IWL4965_HT
+	iwl4965_init_ht_hw_capab(&modes[G].ht_info, MODE_IEEE80211G);
+#endif
 
 	priv->ieee_channels = channels;
 	priv->ieee_rates = rates;
@@ -5908,11 +5900,9 @@ static int iwl4965_init_geos(struct iwl4965_priv *priv)
 
 		if (is_channel_a_band(ch)) {
 			geo_ch = &modes[A].channels[modes[A].num_channels++];
-			modes[A_11N].num_channels++;
 		} else {
 			geo_ch = &modes[B].channels[modes[B].num_channels++];
 			modes[G].num_channels++;
-			modes[G_11N].num_channels++;
 		}
 
 		geo_ch->freq = ieee80211chan2mhz(ch->channel);