iwlwifi: unify iwl_setup_rxon_timing

This patch unifies setup_rxon_timing funcions
of AGN and 3945. HWs differ only in supported maximal
beacon interval. This is reflected in hw_paras.max_beacon_itrvl

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

1 files changed, 2 insertions, 72 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 016567f3e88..303c4b483f5 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -361,76 +361,6 @@ static void iwl3945_unset_hw_params(struct iwl_priv *priv)
 				    priv->shared_phys);
 }
 
-#define MAX_UCODE_BEACON_INTERVAL	1024
-#define INTEL_CONN_LISTEN_INTERVAL	cpu_to_le16(0xA)
-
-static __le16 iwl3945_adjust_beacon_interval(u16 beacon_val)
-{
-	u16 new_val = 0;
-	u16 beacon_factor = 0;
-
-	beacon_factor =
-	    (beacon_val + MAX_UCODE_BEACON_INTERVAL)
-		/ MAX_UCODE_BEACON_INTERVAL;
-	new_val = beacon_val / beacon_factor;
-
-	return cpu_to_le16(new_val);
-}
-
-static void iwl3945_setup_rxon_timing(struct iwl_priv *priv)
-{
-	u64 interval_tm_unit;
-	u64 tsf, result;
-	unsigned long flags;
-	struct ieee80211_conf *conf = NULL;
-	u16 beacon_int = 0;
-
-	conf = ieee80211_get_hw_conf(priv->hw);
-
-	spin_lock_irqsave(&priv->lock, flags);
-	priv->rxon_timing.timestamp = cpu_to_le64(priv->timestamp);
-	priv->rxon_timing.listen_interval = INTEL_CONN_LISTEN_INTERVAL;
-
-	tsf = priv->timestamp;
-
-	beacon_int = priv->beacon_int;
-	spin_unlock_irqrestore(&priv->lock, flags);
-
-	if (priv->iw_mode == NL80211_IFTYPE_STATION) {
-		if (beacon_int == 0) {
-			priv->rxon_timing.beacon_interval = cpu_to_le16(100);
-			priv->rxon_timing.beacon_init_val = cpu_to_le32(102400);
-		} else {
-			priv->rxon_timing.beacon_interval =
-				cpu_to_le16(beacon_int);
-			priv->rxon_timing.beacon_interval =
-			    iwl3945_adjust_beacon_interval(
-				le16_to_cpu(priv->rxon_timing.beacon_interval));
-		}
-
-		priv->rxon_timing.atim_window = 0;
-	} else {
-		priv->rxon_timing.beacon_interval =
-			iwl3945_adjust_beacon_interval(
-				priv->vif->bss_conf.beacon_int);
-		/* TODO: we need to get atim_window from upper stack
-		 * for now we set to 0 */
-		priv->rxon_timing.atim_window = 0;
-	}
-
-	interval_tm_unit =
-		(le16_to_cpu(priv->rxon_timing.beacon_interval) * 1024);
-	result = do_div(tsf, interval_tm_unit);
-	priv->rxon_timing.beacon_init_val =
-	    cpu_to_le32((u32) ((u64) interval_tm_unit - result));
-
-	IWL_DEBUG_ASSOC(priv,
-		"beacon interval %d beacon timer %d beacon tim %d\n",
-		le16_to_cpu(priv->rxon_timing.beacon_interval),
-		le32_to_cpu(priv->rxon_timing.beacon_init_val),
-		le16_to_cpu(priv->rxon_timing.atim_window));
-}
-
 static void iwl3945_build_tx_cmd_hwcrypto(struct iwl_priv *priv,
 				      struct ieee80211_tx_info *info,
 				      struct iwl_cmd *cmd,
@@ -3066,7 +2996,7 @@ void iwl3945_post_associate(struct iwl_priv *priv)
 	iwlcore_commit_rxon(priv);
 
 	memset(&priv->rxon_timing, 0, sizeof(struct iwl_rxon_time_cmd));
-	iwl3945_setup_rxon_timing(priv);
+	iwl_setup_rxon_timing(priv);
 	rc = iwl_send_cmd_pdu(priv, REPLY_RXON_TIMING,
 			      sizeof(priv->rxon_timing), &priv->rxon_timing);
 	if (rc)
@@ -3261,7 +3191,7 @@ void iwl3945_config_ap(struct iwl_priv *priv)
 
 		/* RXON Timing */
 		memset(&priv->rxon_timing, 0, sizeof(struct iwl_rxon_time_cmd));
-		iwl3945_setup_rxon_timing(priv);
+		iwl_setup_rxon_timing(priv);
 		rc = iwl_send_cmd_pdu(priv, REPLY_RXON_TIMING,
 				      sizeof(priv->rxon_timing),
 				      &priv->rxon_timing);