initial srpm import

1 files changed, 230 insertions, 0 deletions

diff --git a/iwlwifi_-code-cleanup-for-connectivity-recovery.patch b/iwlwifi_-code-cleanup-for-connectivity-recovery.patch
new file mode 100644
index 0000000..587c5ff
--- /dev/null
+++ b/iwlwifi_-code-cleanup-for-connectivity-recovery.patch
@@ -0,0 +1,230 @@
+diff -up linux-2.6.32.noarch/drivers/net/wireless/iwlwifi/iwl-1000.c.orig linux-2.6.32.noarch/drivers/net/wireless/iwlwifi/iwl-1000.c
+--- linux-2.6.32.noarch/drivers/net/wireless/iwlwifi/iwl-1000.c.orig	2010-03-22 16:42:34.000000000 -0400
++++ linux-2.6.32.noarch/drivers/net/wireless/iwlwifi/iwl-1000.c	2010-03-22 16:42:57.000000000 -0400
+@@ -136,7 +136,8 @@ static struct iwl_lib_ops iwl1000_lib = 
+ 		.set_ct_kill = iwl1000_set_ct_threshold,
+ 	 },
+ 	.recover_from_tx_stall = iwl_bg_monitor_recover,
+-	.recover_from_statistics = iwl_recover_from_statistics,
++	.check_plcp_health = iwl_good_plcp_health,
++	.check_ack_health = iwl_good_ack_health,
+ };
+ 
+ static struct iwl_ops iwl1000_ops = {
+diff -up linux-2.6.32.noarch/drivers/net/wireless/iwlwifi/iwl-4965.c.orig linux-2.6.32.noarch/drivers/net/wireless/iwlwifi/iwl-4965.c
+--- linux-2.6.32.noarch/drivers/net/wireless/iwlwifi/iwl-4965.c.orig	2010-03-22 16:42:34.000000000 -0400
++++ linux-2.6.32.noarch/drivers/net/wireless/iwlwifi/iwl-4965.c	2010-03-22 16:42:57.000000000 -0400
+@@ -2340,7 +2340,7 @@ static struct iwl_lib_ops iwl4965_lib = 
+ 		.temperature = iwl4965_temperature_calib,
+ 		.set_ct_kill = iwl4965_set_ct_threshold,
+ 	},
+-	.recover_from_statistics = iwl_recover_from_statistics,
++	.check_plcp_health = iwl_good_plcp_health,
+ };
+ 
+ static struct iwl_ops iwl4965_ops = {
+diff -up linux-2.6.32.noarch/drivers/net/wireless/iwlwifi/iwl-5000.c.orig linux-2.6.32.noarch/drivers/net/wireless/iwlwifi/iwl-5000.c
+--- linux-2.6.32.noarch/drivers/net/wireless/iwlwifi/iwl-5000.c.orig	2010-03-22 16:42:34.000000000 -0400
++++ linux-2.6.32.noarch/drivers/net/wireless/iwlwifi/iwl-5000.c	2010-03-22 16:42:57.000000000 -0400
+@@ -1580,7 +1580,8 @@ struct iwl_lib_ops iwl5000_lib = {
+ 		.set_ct_kill = iwl5000_set_ct_threshold,
+ 	 },
+ 	.recover_from_tx_stall = iwl_bg_monitor_recover,
+-	.recover_from_statistics = iwl_recover_from_statistics,
++	.check_plcp_health = iwl_good_plcp_health,
++	.check_ack_health = iwl_good_ack_health,
+ };
+ 
+ static struct iwl_lib_ops iwl5150_lib = {
+@@ -1634,7 +1635,8 @@ static struct iwl_lib_ops iwl5150_lib = 
+ 		.set_ct_kill = iwl5150_set_ct_threshold,
+ 	 },
+ 	.recover_from_tx_stall = iwl_bg_monitor_recover,
+-	.recover_from_statistics = iwl_recover_from_statistics,
++	.check_plcp_health = iwl_good_plcp_health,
++	.check_ack_health = iwl_good_ack_health,
+ };
+ 
+ struct iwl_ops iwl5000_ops = {
+diff -up linux-2.6.32.noarch/drivers/net/wireless/iwlwifi/iwl-6000.c.orig linux-2.6.32.noarch/drivers/net/wireless/iwlwifi/iwl-6000.c
+--- linux-2.6.32.noarch/drivers/net/wireless/iwlwifi/iwl-6000.c.orig	2010-03-22 16:42:34.000000000 -0400
++++ linux-2.6.32.noarch/drivers/net/wireless/iwlwifi/iwl-6000.c	2010-03-22 16:42:57.000000000 -0400
+@@ -138,7 +138,8 @@ static struct iwl_lib_ops iwl6000_lib = 
+ 		.set_ct_kill = iwl6000_set_ct_threshold,
+ 	 },
+ 	.recover_from_tx_stall = iwl_bg_monitor_recover,
+-	.recover_from_statistics = iwl_recover_from_statistics,
++	.check_plcp_health = iwl_good_plcp_health,
++	.check_ack_health = iwl_good_ack_health,
+ };
+ 
+ static struct iwl_hcmd_utils_ops iwl6000_hcmd_utils = {
+diff -up linux-2.6.32.noarch/drivers/net/wireless/iwlwifi/iwl-core.h.orig linux-2.6.32.noarch/drivers/net/wireless/iwlwifi/iwl-core.h
+--- linux-2.6.32.noarch/drivers/net/wireless/iwlwifi/iwl-core.h.orig	2010-03-22 16:42:34.000000000 -0400
++++ linux-2.6.32.noarch/drivers/net/wireless/iwlwifi/iwl-core.h	2010-03-22 16:42:57.000000000 -0400
+@@ -185,8 +185,11 @@ struct iwl_lib_ops {
+ 	struct iwl_temp_ops temp_ops;
+ 	/* recover from tx queue stall */
+ 	void (*recover_from_tx_stall)(unsigned long data);
+-	/* recover from errors showed in statistics */
+-	void (*recover_from_statistics)(struct iwl_priv *priv,
++	/* check for plcp health */
++	bool (*check_plcp_health)(struct iwl_priv *priv,
++					struct iwl_rx_packet *pkt);
++	/* check for ack health */
++	bool (*check_ack_health)(struct iwl_priv *priv,
+ 					struct iwl_rx_packet *pkt);
+ };
+ 
+@@ -401,7 +404,9 @@ int iwl_tx_queue_reclaim(struct iwl_priv
+ /* Handlers */
+ void iwl_rx_missed_beacon_notif(struct iwl_priv *priv,
+ 			       struct iwl_rx_mem_buffer *rxb);
+-void iwl_recover_from_statistics(struct iwl_priv *priv,
++bool iwl_good_plcp_health(struct iwl_priv *priv,
++				 struct iwl_rx_packet *pkt);
++bool iwl_good_ack_health(struct iwl_priv *priv,
+ 				 struct iwl_rx_packet *pkt);
+ void iwl_rx_statistics(struct iwl_priv *priv,
+ 			      struct iwl_rx_mem_buffer *rxb);
+diff -up linux-2.6.32.noarch/drivers/net/wireless/iwlwifi/iwl-rx.c.orig linux-2.6.32.noarch/drivers/net/wireless/iwlwifi/iwl-rx.c
+--- linux-2.6.32.noarch/drivers/net/wireless/iwlwifi/iwl-rx.c.orig	2010-03-22 16:42:34.000000000 -0400
++++ linux-2.6.32.noarch/drivers/net/wireless/iwlwifi/iwl-rx.c	2010-03-22 16:45:03.000000000 -0400
+@@ -555,24 +555,18 @@ static void iwl_rx_calc_noise(struct iwl
+ #define BA_TIMEOUT_CNT (5)
+ #define BA_TIMEOUT_MAX (16)
+ 
+-#define PLCP_MSG "plcp_err exceeded %u, %u, %u, %u, %u, %d, %u mSecs\n"
+-/*
+- * This function checks for plcp error, ACK count ratios, aggregated BA
+- * timeout retries.
+- * - When the ACK count ratio is 0 and aggregated BA timeout retries is
+- * exceeding the BA_TIMEOUT_MAX, it will recover the failure by resetting
+- * the firmware.
+- * - When the plcp error is exceeding the thresholds, it will reset the radio
+- * to improve the throughput.
++/**
++ * iwl_good_ack_health - checks for ACK count ratios, BA timeout retries.
++ *
++ * When the ACK count ratio is 0 and aggregated BA timeout retries exceeding
++ * the BA_TIMEOUT_MAX, reload firmware and bring system back to normal
++ * operation state.
+  */
+-void iwl_recover_from_statistics(struct iwl_priv *priv,
+-					struct iwl_rx_packet *pkt)
++bool iwl_good_ack_health(struct iwl_priv *priv,
++				struct iwl_rx_packet *pkt)
+ {
+-	int combined_plcp_delta;
+-	unsigned int plcp_msec;
+-	unsigned long plcp_received_jiffies;
+-	int actual_ack_cnt_delta;
+-	int expected_ack_cnt_delta;
++	bool rc = true;
++	int actual_ack_cnt_delta, expected_ack_cnt_delta;
+ 	int ba_timeout_delta;
+ 
+ 	actual_ack_cnt_delta =
+@@ -594,13 +588,27 @@ void iwl_recover_from_statistics(struct 
+ 				actual_ack_cnt_delta, expected_ack_cnt_delta);
+ 		IWL_DEBUG_RADIO(priv, "agg ba_timeout delta = %d\n",
+ 				ba_timeout_delta);
+-		if ((actual_ack_cnt_delta == 0) &&
+-		    (ba_timeout_delta >= BA_TIMEOUT_MAX)) {
+-			IWL_DEBUG_RADIO(priv,
+-					"call iwl_force_reset(IWL_FW_RESET)\n");
+-			iwl_force_reset(priv, IWL_FW_RESET);
+-		}
++		if (!actual_ack_cnt_delta &&
++		    (ba_timeout_delta >= BA_TIMEOUT_MAX))
++			rc = false;
+ 	}
++	return rc;
++}
++EXPORT_SYMBOL(iwl_good_ack_health);
++
++/**
++ * iwl_good_plcp_health - checks for plcp error.
++ *
++ * When the plcp error is exceeding the thresholds, reset the radio
++ * to improve the throughput.
++ */
++bool iwl_good_plcp_health(struct iwl_priv *priv,
++				struct iwl_rx_packet *pkt)
++{
++	bool rc = true;
++	int combined_plcp_delta;
++	unsigned int plcp_msec;
++	unsigned long plcp_received_jiffies;
+ 
+ 	/*
+ 	 * check for plcp_err and trigger radio reset if it exceeds
+@@ -635,7 +643,8 @@ void iwl_recover_from_statistics(struct 
+ 			 *    combined_plcp_delta,
+ 			 *    plcp_msec
+ 			 */
+-			IWL_DEBUG_RADIO(priv, PLCP_MSG,
++			IWL_DEBUG_RADIO(priv, "plcp_err exceeded %u, "
++				"%u, %u, %u, %u, %d, %u mSecs\n",
+ 				priv->cfg->plcp_delta_threshold,
+ 				le32_to_cpu(pkt->u.stats.rx.ofdm.plcp_err),
+ 				le32_to_cpu(priv->statistics.rx.ofdm.plcp_err),
+@@ -643,15 +652,42 @@ void iwl_recover_from_statistics(struct 
+ 				le32_to_cpu(
+ 				  priv->statistics.rx.ofdm_ht.plcp_err),
+ 				combined_plcp_delta, plcp_msec);
+-			/*
+-			 * Reset the RF radio due to the high plcp
+-			 * error rate
+-			 */
+-			iwl_force_reset(priv, IWL_RF_RESET);
++			rc = false;
++		}
++	}
++	return rc;
++}
++EXPORT_SYMBOL(iwl_good_plcp_health);
++
++static void iwl_recover_from_statistics(struct iwl_priv *priv,
++				struct iwl_rx_packet *pkt)
++{
++	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
++		return;
++	if (iwl_is_associated(priv)) {
++		if (priv->cfg->ops->lib->check_ack_health) {
++			if (!priv->cfg->ops->lib->check_ack_health(
++			    priv, pkt)) {
++				/*
++				 * low ack count detected
++				 * restart Firmware
++				 */
++				IWL_ERR(priv, "low ack count detected, "
++					"restart firmware\n");
++				iwl_force_reset(priv, IWL_FW_RESET);
++			}
++		} else if (priv->cfg->ops->lib->check_plcp_health) {
++			if (!priv->cfg->ops->lib->check_plcp_health(
++			    priv, pkt)) {
++				/*
++				 * high plcp error detected
++				 * reset Radio
++				 */
++				iwl_force_reset(priv, IWL_RF_RESET);
++			}
+ 		}
+ 	}
+ }
+-EXPORT_SYMBOL(iwl_recover_from_statistics);
+ 
+ void iwl_rx_statistics(struct iwl_priv *priv,
+ 			      struct iwl_rx_mem_buffer *rxb)
+@@ -670,8 +706,7 @@ void iwl_rx_statistics(struct iwl_priv *
+ 		    STATISTICS_REPLY_FLG_HT40_MODE_MSK) !=
+ 		   (pkt->u.stats.flag & STATISTICS_REPLY_FLG_HT40_MODE_MSK)));
+ 
+-	if (priv->cfg->ops->lib->recover_from_statistics)
+-		priv->cfg->ops->lib->recover_from_statistics(priv, pkt);
++	iwl_recover_from_statistics(priv, pkt);
+ 
+ 	memcpy(&priv->statistics, &pkt->u.stats, sizeof(priv->statistics));
+