iwlwifi: Fix HT compilation breakage caused by cfg80211 API for channels/bitrates patch

This patch fixes compilation breakage caused by 'cfg80211 API for
channels/bitrates' patch.
however it doesn't fix the driver's functional problems caused by that
patch.

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

4 files changed, 50 insertions, 64 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
index f018ce464d97..a8223c4cc97c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
@@ -464,7 +464,7 @@ static void rs_tx_status(void *priv_rate,
         IWL_DEBUG_RATE("enter\n");
 
         retries = tx_resp->retry_count;
-
+        /* FIXME : this is wrong */
         first_index = &sband->bitrates[0] - tx_resp->control.tx_rate;
         if ((first_index < 0) || (first_index >= IWL_RATE_COUNT)) {
                 IWL_DEBUG_RATE("leave: Rate out of bounds: %d\n", first_index);
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index 886a4b86605c..cc141f8ba616 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -3459,14 +3459,15 @@ 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)
+void iwl4965_init_ht_hw_capab(struct ieee80211_ht_info *ht_info,
+                              enum ieee80211_band band)
 {
         ht_info->cap = 0;
         memset(ht_info->supp_mcs_set, 0, 16);
 
         ht_info->ht_supported = 1;
 
-        if (mode == MODE_IEEE80211A) {
+        if (band == IEEE80211_BAND_5GHZ) {
                 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;
@@ -3896,7 +3897,9 @@ static int iwl4965_tx_status_reply_compressed_ba(struct iwl4965_priv *priv,
         tx_status->flags |= IEEE80211_TX_STATUS_AMPDU;
         tx_status->ampdu_ack_map = successes;
         tx_status->ampdu_ack_len = agg->frame_count;
+        /* FIXME Wrong rate
         tx_status->control.tx_rate = agg->rate_n_flags;
+        */
 
         IWL_DEBUG_TX_REPLY("Bitmap %llx\n", bitmap);
 
@@ -4218,7 +4221,7 @@ void iwl4965_add_station(struct iwl4965_priv *priv, const u8 *addr, int is_ap)
 
 static u8 iwl4965_is_channel_extension(struct iwl4965_priv *priv,
                                        enum ieee80211_band band,
-                                   u16 channel, u8 extension_chan_offset)
+                                       u16 channel, u8 extension_chan_offset)
 {
         const struct iwl4965_channel_info *ch_info;
 
@@ -4252,7 +4255,7 @@ static u8 iwl4965_is_fat_tx_allowed(struct iwl4965_priv *priv,
                         return 0;
         }
 
-        return (iwl4965_is_channel_extension(priv, priv->phymode,
+        return (iwl4965_is_channel_extension(priv, priv->band,
                                          iwl_ht_conf->control_channel,
                                          iwl_ht_conf->extension_chan_offset));
 }
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.h b/drivers/net/wireless/iwlwifi/iwl-4965.h
index cb8f7f2a8d48..45cf4830568e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.h
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.h
@@ -772,17 +772,21 @@ extern int iwl4965_set_fat_chan_info(struct iwl4965_priv *priv,
 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);
-extern void iwl4965_set_rxon_ht(struct iwl4965_priv *priv,
-                                struct iwl_ht_info *ht_info);
-extern void iwl4965_set_ht_add_station(struct iwl4965_priv *priv, u8 index,
+void iwl4965_init_ht_hw_capab(struct ieee80211_ht_info *ht_info,
+                              enum ieee80211_band band);
+void iwl4965_set_rxon_ht(struct iwl4965_priv *priv,
+                         struct iwl_ht_info *ht_info);
+void iwl4965_set_ht_add_station(struct iwl4965_priv *priv, u8 index,
                                 struct ieee80211_ht_info *sta_ht_inf);
-extern int iwl4965_mac_ampdu_action(struct ieee80211_hw *hw,
+int iwl4965_mac_ampdu_action(struct ieee80211_hw *hw,
                                     enum ieee80211_ampdu_mlme_action action,
                                     const u8 *addr, u16 tid, u16 *ssn);
-extern int iwl4965_check_empty_hw_queue(struct iwl4965_priv *priv, int sta_id,
+int iwl4965_check_empty_hw_queue(struct iwl4965_priv *priv, int sta_id,
                                         u8 tid, int txq_id);
+#else
+static inline void iwl4965_init_ht_hw_capab(struct ieee80211_ht_info *ht_info,
+                                            enum ieee80211_band band) {}
+
 #endif /*CONFIG_IWL4965_HT */
 /* Structures, enum, and defines specific to the 4965 */
 
diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c
index 933e0d44f69f..d0e385aa59e8 100644
--- a/drivers/net/wireless/iwlwifi/iwl4965-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c
@@ -1893,24 +1893,20 @@ static u16 iwl4965_supported_rate_to_ie(u8 *ie, u16 supported_rate,
         return ret_rates;
 }
 
-#ifdef CONFIG_IWL4965_HT
-void static iwl4965_set_ht_capab(struct ieee80211_hw *hw,
-                             struct ieee80211_ht_cap *ht_cap,
-                             u8 use_current_config);
-#endif
-
 /**
  * iwl4965_fill_probe_req - fill in all required fields and IE for probe request
  */
 static u16 iwl4965_fill_probe_req(struct iwl4965_priv *priv,
-                              struct ieee80211_mgmt *frame,
-                              int left, int is_direct)
+                                  enum ieee80211_band band,
+                                  struct ieee80211_mgmt *frame,
+                                  int left, int is_direct)
 {
         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;
+        const struct ieee80211_supported_band *sband =
+                                                iwl4965_get_hw_mode(priv, band);
 #endif /* CONFIG_IWL4965_HT */
 
         /* Make sure there is enough space for the probe request,
@@ -1995,13 +1991,18 @@ static u16 iwl4965_fill_probe_req(struct iwl4965_priv *priv,
                 len += 2 + *pos;
 
 #ifdef CONFIG_IWL4965_HT
-        mode = priv->hw->conf.mode;
-        if (mode->ht_info.ht_supported) {
+        if (sband && sband->ht_info.ht_supported) {
+                struct ieee80211_ht_cap *ht_cap;
                 pos += (*pos) + 1;
                 *pos++ = WLAN_EID_HT_CAPABILITY;
                 *pos++ = sizeof(struct ieee80211_ht_cap);
-                iwl4965_set_ht_capab(priv->hw,
-                                (struct ieee80211_ht_cap *)pos, 0);
+                ht_cap = (struct ieee80211_ht_cap *)pos;
+                ht_cap->cap_info = cpu_to_le16(sband->ht_info.cap);
+                memcpy(ht_cap->supp_mcs_set, sband->ht_info.supp_mcs_set, 16);
+                ht_cap->ampdu_params_info =(sband->ht_info.ampdu_factor &
+                                            IEEE80211_HT_CAP_AMPDU_FACTOR) |
+                                            ((sband->ht_info.ampdu_density << 2) &
+                                            IEEE80211_HT_CAP_AMPDU_DENSITY);
                 len += 2 + sizeof(struct ieee80211_ht_cap);
         }
 #endif  /*CONFIG_IWL4965_HT */
@@ -3592,8 +3593,9 @@ static int iwl4965_tx_status_reply_tx(struct iwl4965_priv *priv,
                 tx_status->control.flags &= ~IEEE80211_TXCTL_AMPDU;
                 tx_status->flags = iwl4965_is_tx_success(status)?
                         IEEE80211_TX_STATUS_ACK : 0;
+                /* FIXME Wrong Rate
                 tx_status->control.tx_rate =
-                                iwl4965_hw_get_rate_n_flags(tx_resp->rate_n_flags);
+                                iwl4965_hw_get_rate_n_flags(tx_resp->rate_n_flags); */
                 /* FIXME: code repetition end */
 
                 IWL_DEBUG_TX_REPLY("1 Frame 0x%x failure :%d\n",
@@ -5775,22 +5777,20 @@ static int iwl4965_init_geos(struct iwl4965_priv *priv)
         }
 
         /* 5.2GHz channels start after the 2.4GHz channels */
-#ifdef CONFIG_IWL4965_HT
-        iwl4965_init_ht_hw_capab(&modes[A].ht_info, MODE_IEEE80211A);
-#endif
-#ifdef CONFIG_IWL4965_HT
-        iwl4965_init_ht_hw_capab(&modes[G].ht_info, MODE_IEEE80211G);
-#endif
         band = &priv->bands[IEEE80211_BAND_5GHZ];
         band->channels = &channels[ARRAY_SIZE(iwl4965_eeprom_band_1)];
         band->bitrates = &rates[4];
         band->n_bitrates = 8;   /* just OFDM */
 
+        iwl4965_init_ht_hw_capab(&band->ht_info, IEEE80211_BAND_5GHZ);
+
         band = &priv->bands[IEEE80211_BAND_2GHZ];
         band->channels = channels;
         band->bitrates = rates;
         band->n_bitrates = 12;  /* OFDM & CCK */
 
+        iwl4965_init_ht_hw_capab(&band->ht_info, IEEE80211_BAND_2GHZ);
+
         priv->ieee_channels = channels;
         priv->ieee_rates = rates;
 
@@ -6860,8 +6860,9 @@ static void iwl4965_bg_request_scan(struct work_struct *data)
         int rc = 0;
         struct iwl4965_scan_cmd *scan;
         struct ieee80211_conf *conf = NULL;
-        u8 direct_mask;
+        u16 cmd_len;
         enum ieee80211_band band;
+        u8 direct_mask;
 
         conf = ieee80211_get_hw_conf(priv->hw);
 
@@ -6970,18 +6971,10 @@ static void iwl4965_bg_request_scan(struct work_struct *data)
         } else
                 direct_mask = 0;
 
-        /* We don't build a direct scan probe request; the uCode will do
-         * that based on the direct_mask added to each channel entry */
-        scan->tx_cmd.len = cpu_to_le16(
-                iwl4965_fill_probe_req(priv, (struct ieee80211_mgmt *)scan->data,
-                        IWL_MAX_SCAN_SIZE - sizeof(*scan), 0));
         scan->tx_cmd.tx_flags = TX_CMD_FLG_SEQ_CTL_MSK;
         scan->tx_cmd.sta_id = priv->hw_setting.bcast_sta_id;
         scan->tx_cmd.stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE;
 
-        /* flags + rate selection */
-
-        scan->tx_cmd.tx_flags |= cpu_to_le32(0x200);
 
         switch (priv->scan_bands) {
         case 2:
@@ -7007,6 +7000,13 @@ static void iwl4965_bg_request_scan(struct work_struct *data)
                 goto done;
         }
 
+        /* We don't build a direct scan probe request; the uCode will do
+         * that based on the direct_mask added to each channel entry */
+        cmd_len = iwl4965_fill_probe_req(priv, band,
+                                        (struct ieee80211_mgmt *)scan->data,
+                                        IWL_MAX_SCAN_SIZE - sizeof(*scan), 0);
+
+        scan->tx_cmd.len = cpu_to_le16(cmd_len);
         /* select Rx chains */
 
         /* Force use of chains B and C (0x6) for scan Rx.
@@ -7468,10 +7468,10 @@ static int iwl4965_mac_config(struct ieee80211_hw *hw, struct ieee80211_conf *co
         }
 
 #ifdef CONFIG_IWL4965_HT
-        /* if we are switching fron ht to 2.4 clear flags
+        /* if we are switching from ht to 2.4 clear flags
          * from any ht related info since 2.4 does not
          * support ht */
-        if ((le16_to_cpu(priv->staging_rxon.channel) != conf->channel)
+        if ((le16_to_cpu(priv->staging_rxon.channel) != conf->channel->hw_value)
 #ifdef IEEE80211_CONF_CHANNEL_SWITCH
             && !(conf->flags & IEEE80211_CONF_CHANNEL_SWITCH)
 #endif
@@ -8188,27 +8188,6 @@ static int iwl4965_mac_conf_ht(struct ieee80211_hw *hw,
         return 0;
 }
 
-static void iwl4965_set_ht_capab(struct ieee80211_hw *hw,
-                        struct ieee80211_ht_cap *ht_cap,
-                        u8 use_current_config)
-{
-        struct ieee80211_conf *conf = &hw->conf;
-
-        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);
-}
-
 #endif /*CONFIG_IWL4965_HT*/
 
 /*****************************************************************************