iwlwifi: move iwl_is_ht40_tx_allowed out of iwl-core.c

This is really something determined by
station parameters, so move it to
iwl-agn-sta.c.

Signed-off-by: Meenakshi Venkataraman <meenakshi.venkataraman@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>

4 files changed, 47 insertions, 47 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
index 79cbaab79ddd..42af9f94d7d9 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
@@ -170,6 +170,50 @@ int iwl_send_add_sta(struct iwl_priv *priv,
         return cmd.handler_status;
 }
 
+static bool iwl_is_channel_extension(struct iwl_priv *priv,
+                                     enum ieee80211_band band,
+                                     u16 channel, u8 extension_chan_offset)
+{
+        const struct iwl_channel_info *ch_info;
+
+        ch_info = iwl_get_channel_info(priv, band, channel);
+        if (!is_channel_valid(ch_info))
+                return false;
+
+        if (extension_chan_offset == IEEE80211_HT_PARAM_CHA_SEC_ABOVE)
+                return !(ch_info->ht40_extension_channel &
+                                        IEEE80211_CHAN_NO_HT40PLUS);
+        else if (extension_chan_offset == IEEE80211_HT_PARAM_CHA_SEC_BELOW)
+                return !(ch_info->ht40_extension_channel &
+                                        IEEE80211_CHAN_NO_HT40MINUS);
+
+        return false;
+}
+
+bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
+                            struct iwl_rxon_context *ctx,
+                            struct ieee80211_sta_ht_cap *ht_cap)
+{
+        if (!ctx->ht.enabled || !ctx->ht.is_40mhz)
+                return false;
+
+        /*
+         * We do not check for IEEE80211_HT_CAP_SUP_WIDTH_20_40
+         * the bit will not set if it is pure 40MHz case
+         */
+        if (ht_cap && !ht_cap->ht_supported)
+                return false;
+
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+        if (priv->disable_ht40)
+                return false;
+#endif
+
+        return iwl_is_channel_extension(priv, priv->band,
+                        le16_to_cpu(ctx->staging.channel),
+                        ctx->ht.extension_chan_offset);
+}
+
 static void iwl_sta_calc_ht_flags(struct iwl_priv *priv,
                                   struct ieee80211_sta *sta,
                                   struct iwl_rxon_context *ctx,
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.h b/drivers/net/wireless/iwlwifi/iwl-agn.h
index 3b66e30f3ee9..90b1f3a7ac37 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.h
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.h
@@ -261,6 +261,9 @@ int iwl_add_sta_callback(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb,
 int iwl_sta_update_ht(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
                       struct ieee80211_sta *sta);
 
+bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
+                            struct iwl_rxon_context *ctx,
+                            struct ieee80211_sta_ht_cap *ht_cap);
 
 static inline int iwl_sta_id(struct ieee80211_sta *sta)
 {
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index e1129dccb33a..42b5f90acd0a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -43,50 +43,6 @@
 
 const u8 iwl_bcast_addr[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
 
-static bool iwl_is_channel_extension(struct iwl_priv *priv,
-                                     enum ieee80211_band band,
-                                     u16 channel, u8 extension_chan_offset)
-{
-        const struct iwl_channel_info *ch_info;
-
-        ch_info = iwl_get_channel_info(priv, band, channel);
-        if (!is_channel_valid(ch_info))
-                return false;
-
-        if (extension_chan_offset == IEEE80211_HT_PARAM_CHA_SEC_ABOVE)
-                return !(ch_info->ht40_extension_channel &
-                                        IEEE80211_CHAN_NO_HT40PLUS);
-        else if (extension_chan_offset == IEEE80211_HT_PARAM_CHA_SEC_BELOW)
-                return !(ch_info->ht40_extension_channel &
-                                        IEEE80211_CHAN_NO_HT40MINUS);
-
-        return false;
-}
-
-bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
-                            struct iwl_rxon_context *ctx,
-                            struct ieee80211_sta_ht_cap *ht_cap)
-{
-        if (!ctx->ht.enabled || !ctx->ht.is_40mhz)
-                return false;
-
-        /*
-         * We do not check for IEEE80211_HT_CAP_SUP_WIDTH_20_40
-         * the bit will not set if it is pure 40MHz case
-         */
-        if (ht_cap && !ht_cap->ht_supported)
-                return false;
-
-#ifdef CONFIG_IWLWIFI_DEBUGFS
-        if (priv->disable_ht40)
-                return false;
-#endif
-
-        return iwl_is_channel_extension(priv, priv->band,
-                        le16_to_cpu(ctx->staging.channel),
-                        ctx->ht.extension_chan_offset);
-}
-
 static void _iwl_set_rxon_ht(struct iwl_priv *priv,
                              struct iwl_ht_config *ht_conf,
                              struct iwl_rxon_context *ctx)
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index 5cbe609de84c..eb0e78587a51 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -85,9 +85,6 @@ void iwl_set_flags_for_band(struct iwl_priv *priv,
                             enum ieee80211_band band,
                             struct ieee80211_vif *vif);
 void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_config *ht_conf);
-bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
-                            struct iwl_rxon_context *ctx,
-                            struct ieee80211_sta_ht_cap *ht_cap);
 void iwl_connection_init_rx_config(struct iwl_priv *priv,
                                    struct iwl_rxon_context *ctx);
 void iwl_set_rate(struct iwl_priv *priv);