---

yaml
---
r: 279363
b: refs/heads/master
c: 0387733
h: refs/heads/master
i:
  279361: 07cdbdf
  279359: 725da82
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ee91d1855137ba9c16d1e7815d562056c3f55e7f
+refs/heads/master: 03877332aef0659f43d169a71cbd5256b0b0d1be

trunk/drivers/net/wireless/iwlwifi/iwl-agn.c

@@ -1253,9 +1253,10 @@ int iwl_alive_start(struct iwl_priv *priv)
 		iwl_send_bt_config(priv);
 	}
 
-	if (hw_params(priv).calib_rt_cfg)
-		iwlagn_send_calib_cfg_rt(priv,
-					 hw_params(priv).calib_rt_cfg);
+	/*
+	 * Perform runtime calibrations, including DC calibration.
+	 */
+	iwlagn_send_calib_cfg_rt(priv, IWL_CALIB_CFG_DC_IDX);
 
 	ieee80211_wake_queues(priv->hw);
 
@@ -1668,7 +1669,7 @@ static int iwl_set_hw_params(struct iwl_priv *priv)
 		hw_params(priv).rx_page_order =
 			get_order(IWL_RX_BUF_SIZE_4K);
 
-	if (iwlagn_mod_params.disable_11n)
+	if (iwlagn_mod_params.disable_11n & IWL_DISABLE_HT_ALL)
 		cfg(priv)->sku &= ~EEPROM_SKU_CAP_11N_ENABLE;
 
 	hw_params(priv).num_ampdu_queues =
@@ -1995,8 +1996,9 @@ module_param_named(swcrypto, iwlagn_mod_params.sw_crypto, int, S_IRUGO);
 MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])");
 module_param_named(queues_num, iwlagn_mod_params.num_of_queues, int, S_IRUGO);
 MODULE_PARM_DESC(queues_num, "number of hw queues.");
-module_param_named(11n_disable, iwlagn_mod_params.disable_11n, int, S_IRUGO);
-MODULE_PARM_DESC(11n_disable, "disable 11n functionality");
+module_param_named(11n_disable, iwlagn_mod_params.disable_11n, uint, S_IRUGO);
+MODULE_PARM_DESC(11n_disable,
+	"disable 11n functionality, bitmap: 1: full, 2: agg TX, 4: agg RX");
 module_param_named(amsdu_size_8K, iwlagn_mod_params.amsdu_size_8K,
 		   int, S_IRUGO);
 MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size");

trunk/drivers/net/wireless/iwlwifi/iwl-bus.h

@@ -122,15 +122,17 @@ struct iwl_bus;
  * struct iwl_bus_ops - bus specific operations
  * @get_pm_support: must returns true if the bus can go to sleep
  * @apm_config: will be called during the config of the APM
- * @get_hw_id: prints the hw_id in the provided buffer
+ * @get_hw_id_string: prints the hw_id in the provided buffer
+ * @get_hw_id: get hw_id in u32
  * @write8: write a byte to register at offset ofs
  * @write32: write a dword to register at offset ofs
  * @wread32: read a dword at register at offset ofs
  */
 struct iwl_bus_ops {
 	bool (*get_pm_support)(struct iwl_bus *bus);
 	void (*apm_config)(struct iwl_bus *bus);
-	void (*get_hw_id)(struct iwl_bus *bus, char buf[], int buf_len);
+	void (*get_hw_id_string)(struct iwl_bus *bus, char buf[], int buf_len);
+	u32 (*get_hw_id)(struct iwl_bus *bus);
 	void (*write8)(struct iwl_bus *bus, u32 ofs, u8 val);
 	void (*write32)(struct iwl_bus *bus, u32 ofs, u32 val);
 	u32 (*read32)(struct iwl_bus *bus, u32 ofs);
@@ -172,9 +174,15 @@ static inline void bus_apm_config(struct iwl_bus *bus)
 	bus->ops->apm_config(bus);
 }
 
-static inline void bus_get_hw_id(struct iwl_bus *bus, char buf[], int buf_len)
+static inline void bus_get_hw_id_string(struct iwl_bus *bus, char buf[],
+		int buf_len)
 {
-	bus->ops->get_hw_id(bus, buf, buf_len);
+	bus->ops->get_hw_id_string(bus, buf, buf_len);
+}
+
+static inline u32 bus_get_hw_id(struct iwl_bus *bus)
+{
+	return bus->ops->get_hw_id(bus);
 }
 
 static inline void bus_write8(struct iwl_bus *bus, u32 ofs, u8 val)

trunk/drivers/net/wireless/iwlwifi/iwl-core.c

@@ -204,7 +204,7 @@ int iwl_init_geos(struct iwl_priv *priv)
 	if ((priv->bands[IEEE80211_BAND_5GHZ].n_channels == 0) &&
 	     cfg(priv)->sku & EEPROM_SKU_CAP_BAND_52GHZ) {
 		char buf[32];
-		bus_get_hw_id(bus(priv), buf, sizeof(buf));
+		bus_get_hw_id_string(bus(priv), buf, sizeof(buf));
 		IWL_INFO(priv, "Incorrectly detected BG card as ABG. "
 			"Please send your %s to maintainer.\n", buf);
 		cfg(priv)->sku &= ~EEPROM_SKU_CAP_BAND_52GHZ;

trunk/drivers/net/wireless/iwlwifi/iwl-devtrace.h

@@ -90,6 +90,35 @@ TRACE_EVENT(iwlwifi_dev_iowrite32,
 	TP_printk("[%p] write io[%#x] = %#x)", __entry->priv, __entry->offs, __entry->val)
 );
 
+TRACE_EVENT(iwlwifi_dev_irq,
+	TP_PROTO(void *priv),
+	TP_ARGS(priv),
+	TP_STRUCT__entry(
+		PRIV_ENTRY
+	),
+	TP_fast_assign(
+		PRIV_ASSIGN;
+	),
+	/* TP_printk("") doesn't compile */
+	TP_printk("%d", 0)
+);
+
+TRACE_EVENT(iwlwifi_dev_ict_read,
+	TP_PROTO(void *priv, u32 index, u32 value),
+	TP_ARGS(priv, index, value),
+	TP_STRUCT__entry(
+		PRIV_ENTRY
+		__field(u32, index)
+		__field(u32, value)
+	),
+	TP_fast_assign(
+		PRIV_ASSIGN;
+		__entry->index = index;
+		__entry->value = value;
+	),
+	TP_printk("read ict[%d] = %#.8x", __entry->index, __entry->value)
+);
+
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM iwlwifi_ucode
 

trunk/drivers/net/wireless/iwlwifi/iwl-mac80211.c

@@ -234,6 +234,8 @@ int iwlagn_mac_setup_register(struct iwl_priv *priv,
 		priv->hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
 			&priv->bands[IEEE80211_BAND_5GHZ];
 
+	hw->wiphy->hw_version = bus_get_hw_id(bus(priv));
+
 	iwl_leds_init(priv);
 
 	ret = ieee80211_register_hw(priv->hw);
@@ -633,6 +635,8 @@ static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw,
 
 	switch (action) {
 	case IEEE80211_AMPDU_RX_START:
+		if (iwlagn_mod_params.disable_11n & IWL_DISABLE_HT_RXAGG)
+			break;
 		IWL_DEBUG_HT(priv, "start Rx\n");
 		ret = iwl_sta_rx_agg_start(priv, sta, tid, *ssn);
 		break;
@@ -643,6 +647,8 @@ static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw,
 			ret = 0;
 		break;
 	case IEEE80211_AMPDU_TX_START:
+		if (iwlagn_mod_params.disable_11n & IWL_DISABLE_HT_TXAGG)
+			break;
 		IWL_DEBUG_HT(priv, "start Tx\n");
 		ret = iwlagn_tx_agg_start(priv, vif, sta, tid, ssn);
 		break;

trunk/drivers/net/wireless/iwlwifi/iwl-pci.c

@@ -135,7 +135,7 @@ static void iwl_pci_apm_config(struct iwl_bus *bus)
 	}
 }
 
-static void iwl_pci_get_hw_id(struct iwl_bus *bus, char buf[],
+static void iwl_pci_get_hw_id_string(struct iwl_bus *bus, char buf[],
 			      int buf_len)
 {
 	struct pci_dev *pci_dev = IWL_BUS_GET_PCI_DEV(bus);
@@ -144,6 +144,13 @@ static void iwl_pci_get_hw_id(struct iwl_bus *bus, char buf[],
 		 pci_dev->subsystem_device);
 }
 
+static u32 iwl_pci_get_hw_id(struct iwl_bus *bus)
+{
+	struct pci_dev *pci_dev = IWL_BUS_GET_PCI_DEV(bus);
+
+	return (pci_dev->device << 16) + pci_dev->subsystem_device;
+}
+
 static void iwl_pci_write8(struct iwl_bus *bus, u32 ofs, u8 val)
 {
 	iowrite8(val, IWL_BUS_GET_PCI_BUS(bus)->hw_base + ofs);
@@ -163,6 +170,7 @@ static u32 iwl_pci_read32(struct iwl_bus *bus, u32 ofs)
 static const struct iwl_bus_ops bus_ops_pci = {
 	.get_pm_support = iwl_pci_is_pm_supported,
 	.apm_config = iwl_pci_apm_config,
+	.get_hw_id_string = iwl_pci_get_hw_id_string,
 	.get_hw_id = iwl_pci_get_hw_id,
 	.write8 = iwl_pci_write8,
 	.write32 = iwl_pci_write32,

trunk/drivers/net/wireless/iwlwifi/iwl-shared.h

@@ -107,14 +107,19 @@ struct iwl_trans_ops;
 
 extern struct iwl_mod_params iwlagn_mod_params;
 
+#define IWL_DISABLE_HT_ALL	BIT(0)
+#define IWL_DISABLE_HT_TXAGG	BIT(1)
+#define IWL_DISABLE_HT_RXAGG	BIT(2)
+
 /**
  * struct iwl_mod_params
  *
  * Holds the module parameters
  *
  * @sw_crypto: using hardware encryption, default = 0
  * @num_of_queues: number of tx queue, HW dependent
- * @disable_11n: 11n capabilities enabled, default = 0
+ * @disable_11n: disable 11n capabilities, default = 0,
+ *	use IWL_DISABLE_HT_* constants
  * @amsdu_size_8K: enable 8K amsdu size, default = 1
  * @antenna: both antennas (use diversity), default = 0
  * @restart_fw: restart firmware, default = 1
@@ -135,7 +140,7 @@ extern struct iwl_mod_params iwlagn_mod_params;
 struct iwl_mod_params {
 	int sw_crypto;
 	int num_of_queues;
-	int disable_11n;
+	unsigned int disable_11n;
 	int amsdu_size_8K;
 	int antenna;
 	int restart_fw;
@@ -174,7 +179,6 @@ struct iwl_mod_params {
  * @ct_kill_exit_threshold: when to reeable the device - in hw dependent unit
  *	relevant for 1000, 6000 and up
  * @wd_timeout: TX queues watchdog timeout
- * @calib_rt_cfg: setup runtime calibrations for the hw
  * @struct iwl_sensitivity_ranges: range of sensitivity values
  */
 struct iwl_hw_params {
@@ -194,7 +198,6 @@ struct iwl_hw_params {
 	u32 ct_kill_exit_threshold;
 	unsigned int wd_timeout;
 
-	u32 calib_rt_cfg;
 	const struct iwl_sensitivity_ranges *sens;
 };
 

trunk/drivers/net/wireless/iwlwifi/iwl-testmode.c

@@ -422,8 +422,7 @@ static int iwl_testmode_driver(struct ieee80211_hw *hw, struct nlattr **tb)
 	struct sk_buff *skb;
 	unsigned char *rsp_data_ptr = NULL;
 	int status = 0, rsp_data_len = 0;
-	char buf[32], *ptr = NULL;
-	unsigned int num, devid;
+	u32 devid;
 
 	switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) {
 	case IWL_TM_CMD_APP2DEV_GET_DEVICENAME:
@@ -534,14 +533,8 @@ static int iwl_testmode_driver(struct ieee80211_hw *hw, struct nlattr **tb)
 		break;
 
 	case IWL_TM_CMD_APP2DEV_GET_DEVICE_ID:
-		bus_get_hw_id(bus(priv), buf, sizeof(buf));
-		ptr = buf;
-		strsep(&ptr, ":");
-		sscanf(strsep(&ptr, ":"), "%x", &num);
-		sscanf(strsep(&ptr, ":"), "%x", &devid);
-		IWL_INFO(priv, "Device ID = 0x%04x, SubDevice ID= 0x%04x\n",
-				num, devid);
-		devid |= (num << 16);
+		devid = bus_get_hw_id(bus(priv));
+		IWL_INFO(priv, "hw version: 0x%x\n", devid);
 
 		skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20);
 		if (!skb) {

trunk/drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c

@@ -1281,6 +1281,8 @@ static irqreturn_t iwl_isr(int irq, void *data)
 	if (!trans)
 		return IRQ_NONE;
 
+	trace_iwlwifi_dev_irq(priv(trans));
+
 	trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
 
 	spin_lock_irqsave(&trans->shrd->lock, flags);
@@ -1355,6 +1357,7 @@ irqreturn_t iwl_isr_ict(int irq, void *data)
 	struct iwl_trans_pcie *trans_pcie;
 	u32 inta, inta_mask;
 	u32 val = 0;
+	u32 read;
 	unsigned long flags;
 
 	if (!trans)
@@ -1368,6 +1371,8 @@ irqreturn_t iwl_isr_ict(int irq, void *data)
 	if (!trans_pcie->use_ict)
 		return iwl_isr(irq, data);
 
+	trace_iwlwifi_dev_irq(priv(trans));
+
 	spin_lock_irqsave(&trans->shrd->lock, flags);
 
 	/* Disable (but don't clear!) interrupts here to avoid
@@ -1382,24 +1387,29 @@ irqreturn_t iwl_isr_ict(int irq, void *data)
 	/* Ignore interrupt if there's nothing in NIC to service.
 	 * This may be due to IRQ shared with another device,
 	 * or due to sporadic interrupts thrown from our NIC. */
-	if (!trans_pcie->ict_tbl[trans_pcie->ict_index]) {
+	read = le32_to_cpu(trans_pcie->ict_tbl[trans_pcie->ict_index]);
+	trace_iwlwifi_dev_ict_read(priv(trans), trans_pcie->ict_index, read);
+	if (!read) {
 		IWL_DEBUG_ISR(trans, "Ignore interrupt, inta == 0\n");
 		goto none;
 	}
 
-	/* read all entries that not 0 start with ict_index */
-	while (trans_pcie->ict_tbl[trans_pcie->ict_index]) {
-
-		val |= le32_to_cpu(trans_pcie->ict_tbl[trans_pcie->ict_index]);
+	/*
+	 * Collect all entries up to the first 0, starting from ict_index;
+	 * note we already read at ict_index.
+	 */
+	do {
+		val |= read;
 		IWL_DEBUG_ISR(trans, "ICT index %d value 0x%08X\n",
-				trans_pcie->ict_index,
-				le32_to_cpu(
-				  trans_pcie->ict_tbl[trans_pcie->ict_index]));
+				trans_pcie->ict_index, read);
 		trans_pcie->ict_tbl[trans_pcie->ict_index] = 0;
 		trans_pcie->ict_index =
 			iwl_queue_inc_wrap(trans_pcie->ict_index, ICT_COUNT);
 
-	}
+		read = le32_to_cpu(trans_pcie->ict_tbl[trans_pcie->ict_index]);
+		trace_iwlwifi_dev_ict_read(priv(trans), trans_pcie->ict_index,
+					   read);
+	} while (read);
 
 	/* We should not get this value, just ignore it. */
 	if (val == 0xffffffff)
@@ -1426,7 +1436,7 @@ irqreturn_t iwl_isr_ict(int irq, void *data)
 	if (likely(inta))
 		tasklet_schedule(&trans_pcie->irq_tasklet);
 	else if (test_bit(STATUS_INT_ENABLED, &trans->shrd->status) &&
-			!trans_pcie->inta) {
+		 !trans_pcie->inta) {
 		/* Allow interrupt if was disabled by this handler and
 		 * no tasklet was schedules, We should not enable interrupt,
 		 * tasklet will enable it.
@@ -1442,7 +1452,7 @@ irqreturn_t iwl_isr_ict(int irq, void *data)
 	 * only Re-enable if disabled by irq.
 	 */
 	if (test_bit(STATUS_INT_ENABLED, &trans->shrd->status) &&
-		!trans_pcie->inta)
+	    !trans_pcie->inta)
 		iwl_enable_interrupts(trans);
 
 	spin_unlock_irqrestore(&trans->shrd->lock, flags);