iwlwifi: 802.11n handling probe request HT IE

This patch conforms the probe request's HT IE with the
new structures used in iwlwifi HT.

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

1 files changed, 28 insertions, 34 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c
index d88363e766c4..c2366c2d23b7 100644
--- a/drivers/net/wireless/iwlwifi/iwl4965-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c
@@ -1875,8 +1875,8 @@ static u16 iwl4965_supported_rate_to_ie(u8 *ie, u16 supported_rate,
 
 #ifdef CONFIG_IWL4965_HT
 void static iwl4965_set_ht_capab(struct ieee80211_hw *hw,
-                             struct ieee80211_ht_capability *ht_cap,
-                             u8 use_wide_chan);
+                             struct ieee80211_ht_cap *ht_cap,
+                             u8 use_current_config);
 #endif
 
 /**
@@ -1889,6 +1889,9 @@ static u16 iwl4965_fill_probe_req(struct iwl4965_priv *priv,
         int len = 0;
         u8 *pos = NULL;
         u16 active_rates, ret_rates, cck_rates, active_rate_basic;
+#ifdef CONFIG_IWL4965_HT
+        struct ieee80211_hw_mode *mode;
+#endif /* CONFIG_IWL4965_HT */
 
         /* Make sure there is enough space for the probe request,
          * two mandatory IEs and the data */
@@ -1972,17 +1975,14 @@ static u16 iwl4965_fill_probe_req(struct iwl4965_priv *priv,
                 len += 2 + *pos;
 
 #ifdef CONFIG_IWL4965_HT
-        if (is_direct && priv->is_ht_enabled) {
-                u8 use_wide_chan = 1;
-
-                if (priv->channel_width != IWL_CHANNEL_WIDTH_40MHZ)
-                        use_wide_chan = 0;
+        mode = priv->hw->conf.mode;
+        if (mode->ht_info.ht_supported) {
                 pos += (*pos) + 1;
                 *pos++ = WLAN_EID_HT_CAPABILITY;
-                *pos++ = sizeof(struct ieee80211_ht_capability);
-                iwl4965_set_ht_capab(NULL, (struct ieee80211_ht_capability *)pos,
-                                 use_wide_chan);
-                len += 2 + sizeof(struct ieee80211_ht_capability);
+                *pos++ = sizeof(struct ieee80211_ht_cap);
+                iwl4965_set_ht_capab(priv->hw,
+                                (struct ieee80211_ht_cap *)pos, 0);
+                len += 2 + sizeof(struct ieee80211_ht_cap);
         }
 #endif  /*CONFIG_IWL4965_HT */
 
@@ -8379,31 +8379,25 @@ static int iwl4965_mac_conf_ht(struct ieee80211_hw *hw,
 }
 
 static void iwl4965_set_ht_capab(struct ieee80211_hw *hw,
-                             struct ieee80211_ht_capability *ht_cap,
-                             u8 use_wide_chan)
+                        struct ieee80211_ht_cap *ht_cap,
+                        u8 use_current_config)
 {
-        union ht_cap_info cap;
-        union ht_param_info param_info;
+        struct ieee80211_conf *conf = &hw->conf;
+        struct ieee80211_hw_mode *mode = conf->mode;
 
-        memset(&cap, 0, sizeof(union ht_cap_info));
-        memset(&param_info, 0, sizeof(union ht_param_info));
-
-        cap.maximal_amsdu_size = HT_IE_MAX_AMSDU_SIZE_4K;
-        cap.green_field = 1;
-        cap.short_GI20 = 1;
-        cap.short_GI40 = 1;
-        cap.supported_chan_width_set = use_wide_chan;
-        cap.mimo_power_save_mode = 0x3;
-
-        param_info.max_rx_ampdu_factor = CFG_HT_RX_AMPDU_FACTOR_DEF;
-        param_info.mpdu_density = CFG_HT_MPDU_DENSITY_DEF;
-        ht_cap->capabilities_info = (__le16) cpu_to_le16(cap.val);
-        ht_cap->mac_ht_params_info = (u8) param_info.val;
-
-        ht_cap->supported_mcs_set[0] = 0xff;
-        ht_cap->supported_mcs_set[1] = 0xff;
-        ht_cap->supported_mcs_set[4] =
-            (cap.supported_chan_width_set) ? 0x1: 0x0;
+        if (use_current_config) {
+                ht_cap->cap_info = cpu_to_le16(conf->ht_conf.cap);
+                memcpy(ht_cap->supp_mcs_set,
+                                conf->ht_conf.supp_mcs_set, 16);
+        } else {
+                ht_cap->cap_info = cpu_to_le16(mode->ht_info.cap);
+                memcpy(ht_cap->supp_mcs_set,
+                                mode->ht_info.supp_mcs_set, 16);
+        }
+        ht_cap->ampdu_params_info =
+                (mode->ht_info.ampdu_factor & IEEE80211_HT_CAP_AMPDU_FACTOR) |
+                ((mode->ht_info.ampdu_density << 2) &
+                                        IEEE80211_HT_CAP_AMPDU_DENSITY);
 }
 
 static void iwl4965_mac_get_ht_capab(struct ieee80211_hw *hw,