Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem

Conflicts:
drivers/net/wireless/b43legacy/dma.c

drivers/net/wireless/ath/ath5k/trace.h

···
 
 #include <linux/tracepoint.h>
 
-#ifndef CONFIG_ATH5K_TRACER
+
+#if !defined(CONFIG_ATH5K_TRACER) || defined(__CHECKER__)
 #undef TRACE_EVENT
 #define TRACE_EVENT(name, proto, ...) \
 static inline void trace_ ## name(proto) {}
···
 
 #endif /* __TRACE_ATH5K_H */
 
-#ifdef CONFIG_ATH5K_TRACER
+#if defined(CONFIG_ATH5K_TRACER) && !defined(__CHECKER__)
 
 #undef TRACE_INCLUDE_PATH
 #define TRACE_INCLUDE_PATH ../../drivers/net/wireless/ath/ath5k

drivers/net/wireless/ath/ath6kl/Kconfig

···
 config ATH6KL
-	tristate "Atheros mobile chipsets support"
-
-config ATH6KL_SDIO
-	tristate "Atheros ath6kl SDIO support"
-	depends on ATH6KL
+	tristate "Atheros ath6kl support"
 	depends on MMC
 	depends on CFG80211
 	---help---
 	  This module adds support for wireless adapters based on
-	  Atheros AR6003 and AR6004 chipsets running over SDIO. If you
-	  choose to build it as a module, it will be called ath6kl_sdio.
-	  Please note that AR6002 and AR6001 are not supported by this
-	  driver.
-
-config ATH6KL_USB
-	tristate "Atheros ath6kl USB support"
-	depends on ATH6KL
-	depends on USB
-	depends on CFG80211
-	depends on EXPERIMENTAL
-	---help---
-	  This module adds support for wireless adapters based on
-	  Atheros AR6004 chipset running over USB. This is still under
-	  implementation and it isn't functional. If you choose to
-	  build it as a module, it will be called ath6kl_usb.
+	  Atheros AR6003 chipset running over SDIO. If you choose to
+	  build it as a module, it will be called ath6kl. Pls note
+	  that AR6002 and AR6001 are not supported by this driver.
 
 config ATH6KL_DEBUG
 	bool "Atheros ath6kl debugging"

drivers/net/wireless/ath/ath6kl/Makefile

···
 # Author(s): ="Atheros"
 #------------------------------------------------------------------------------
 
-obj-$(CONFIG_ATH6KL_SDIO) := ath6kl_sdio.o
-ath6kl_sdio-y += debug.o
-ath6kl_sdio-y += hif.o
-ath6kl_sdio-y += htc.o
-ath6kl_sdio-y += bmi.o
-ath6kl_sdio-y += cfg80211.o
-ath6kl_sdio-y += init.o
-ath6kl_sdio-y += main.o
-ath6kl_sdio-y += txrx.o
-ath6kl_sdio-y += wmi.o
-ath6kl_sdio-y += sdio.o
-ath6kl_sdio-$(CONFIG_NL80211_TESTMODE) += testmode.o
-
-obj-$(CONFIG_ATH6KL_USB) += ath6kl_usb.o
-ath6kl_usb-y += debug.o
-ath6kl_usb-y += hif.o
-ath6kl_usb-y += htc.o
-ath6kl_usb-y += bmi.o
-ath6kl_usb-y += cfg80211.o
-ath6kl_usb-y += init.o
-ath6kl_usb-y += main.o
-ath6kl_usb-y += txrx.o
-ath6kl_usb-y += wmi.o
-ath6kl_usb-y += usb.o
-ath6kl_usb-$(CONFIG_NL80211_TESTMODE) += testmode.o
+obj-$(CONFIG_ATH6KL) := ath6kl.o
+ath6kl-y += debug.o
+ath6kl-y += hif.o
+ath6kl-y += htc.o
+ath6kl-y += bmi.o
+ath6kl-y += cfg80211.o
+ath6kl-y += init.o
+ath6kl-y += main.o
+ath6kl-y += txrx.o
+ath6kl-y += wmi.o
+ath6kl-y += sdio.o
+ath6kl-$(CONFIG_NL80211_TESTMODE) += testmode.o
 
 ccflags-y += -D__CHECK_ENDIAN__

drivers/net/wireless/ath/ath6kl/bmi.c

···
 		return ret;
 	}
 
-	if (ar->hif_type == ATH6KL_HIF_TYPE_USB) {
-		ret = ath6kl_hif_bmi_read(ar, (u8 *)targ_info,
-					  sizeof(*targ_info));
-	} else {
-		ret = ath6kl_hif_bmi_read(ar, (u8 *)&targ_info->version,
-				sizeof(targ_info->version));
-	}
-
+	ret = ath6kl_hif_bmi_read(ar, (u8 *)&targ_info->version,
+				  sizeof(targ_info->version));
 	if (ret) {
 		ath6kl_err("Unable to recv target info: %d\n", ret);
 		return ret;

drivers/net/wireless/ath/ath6kl/debug.h

···
 	ATH6KL_DBG_BOOT		= BIT(18),    /* driver init and fw boot */
 	ATH6KL_DBG_WMI_DUMP	= BIT(19),
 	ATH6KL_DBG_SUSPEND	= BIT(20),
-	ATH6KL_DBG_USB		= BIT(21),
 	ATH6KL_DBG_ANY	        = 0xffffffff  /* enable all logs */
 };
 

drivers/net/wireless/ath/ath6kl/hif.c

···
 	ath6kl_dbg(ATH6KL_DBG_HIF, "hif block size %d mbox addr 0x%x\n",
 		   dev->htc_cnxt->block_sz, dev->ar->mbox_info.htc_addr);
 
-	/* usb doesn't support enabling interrupts */
-	/* FIXME: remove check once USB support is implemented */
-	if (dev->ar->hif_type == ATH6KL_HIF_TYPE_USB)
-		return 0;
-
 	status = ath6kl_hif_disable_intrs(dev);
 
 fail_setup:

drivers/net/wireless/ath/ath6kl/htc.c

···
 	struct htc_service_connect_resp resp;
 	int status;
 
-	/* FIXME: remove once USB support is implemented */
-	if (target->dev->ar->hif_type == ATH6KL_HIF_TYPE_USB) {
-		ath6kl_err("HTC doesn't support USB yet. Patience!\n");
-		return -EOPNOTSUPP;
-	}
-
 	/* we should be getting 1 control message that the target is ready */
 	packet = htc_wait_for_ctrl_msg(target);
 
···
 {
 	struct htc_packet *packet, *tmp_packet;
 
-	/* FIXME: remove check once USB support is implemented */
-	if (target->dev->ar->hif_type != ATH6KL_HIF_TYPE_USB)
-		ath6kl_hif_cleanup_scatter(target->dev->ar);
+	ath6kl_hif_cleanup_scatter(target->dev->ar);
 
 	list_for_each_entry_safe(packet, tmp_packet,
 			&target->free_ctrl_txbuf, list) {

drivers/net/wireless/ath/ath6kl/sdio.c

···
 MODULE_DEVICE_TABLE(sdio, ath6kl_sdio_devices);
 
 static struct sdio_driver ath6kl_sdio_driver = {
-	.name = "ath6kl_sdio",
+	.name = "ath6kl",
 	.id_table = ath6kl_sdio_devices,
 	.probe = ath6kl_sdio_probe,
 	.remove = ath6kl_sdio_remove,

drivers/net/wireless/ath/ath6kl/usb.c

···
-/*
- * Copyright (c) 2007-2011 Atheros Communications Inc.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include <linux/module.h>
-#include <linux/usb.h>
-
-#include "debug.h"
-#include "core.h"
-
-/* usb device object */
-struct ath6kl_usb {
-	struct usb_device *udev;
-	struct usb_interface *interface;
-	u8 *diag_cmd_buffer;
-	u8 *diag_resp_buffer;
-	struct ath6kl *ar;
-};
-
-/* diagnostic command defnitions */
-#define ATH6KL_USB_CONTROL_REQ_SEND_BMI_CMD        1
-#define ATH6KL_USB_CONTROL_REQ_RECV_BMI_RESP       2
-#define ATH6KL_USB_CONTROL_REQ_DIAG_CMD            3
-#define ATH6KL_USB_CONTROL_REQ_DIAG_RESP           4
-
-#define ATH6KL_USB_CTRL_DIAG_CC_READ               0
-#define ATH6KL_USB_CTRL_DIAG_CC_WRITE              1
-
-struct ath6kl_usb_ctrl_diag_cmd_write {
-	__le32 cmd;
-	__le32 address;
-	__le32 value;
-	__le32 _pad[1];
-} __packed;
-
-struct ath6kl_usb_ctrl_diag_cmd_read {
-	__le32 cmd;
-	__le32 address;
-} __packed;
-
-struct ath6kl_usb_ctrl_diag_resp_read {
-	__le32 value;
-} __packed;
-
-#define ATH6KL_USB_MAX_DIAG_CMD (sizeof(struct ath6kl_usb_ctrl_diag_cmd_write))
-#define ATH6KL_USB_MAX_DIAG_RESP (sizeof(struct ath6kl_usb_ctrl_diag_resp_read))
-
-static void ath6kl_usb_destroy(struct ath6kl_usb *ar_usb)
-{
-	usb_set_intfdata(ar_usb->interface, NULL);
-
-	kfree(ar_usb->diag_cmd_buffer);
-	kfree(ar_usb->diag_resp_buffer);
-
-	kfree(ar_usb);
-}
-
-static struct ath6kl_usb *ath6kl_usb_create(struct usb_interface *interface)
-{
-	struct ath6kl_usb *ar_usb = NULL;
-	struct usb_device *dev = interface_to_usbdev(interface);
-	int status = 0;
-
-	ar_usb = kzalloc(sizeof(struct ath6kl_usb), GFP_KERNEL);
-	if (ar_usb == NULL)
-		goto fail_ath6kl_usb_create;
-
-	memset(ar_usb, 0, sizeof(struct ath6kl_usb));
-	usb_set_intfdata(interface, ar_usb);
-	ar_usb->udev = dev;
-	ar_usb->interface = interface;
-
-	ar_usb->diag_cmd_buffer = kzalloc(ATH6KL_USB_MAX_DIAG_CMD, GFP_KERNEL);
-	if (ar_usb->diag_cmd_buffer == NULL) {
-		status = -ENOMEM;
-		goto fail_ath6kl_usb_create;
-	}
-
-	ar_usb->diag_resp_buffer = kzalloc(ATH6KL_USB_MAX_DIAG_RESP,
-					   GFP_KERNEL);
-	if (ar_usb->diag_resp_buffer == NULL) {
-		status = -ENOMEM;
-		goto fail_ath6kl_usb_create;
-	}
-
-fail_ath6kl_usb_create:
-	if (status != 0) {
-		ath6kl_usb_destroy(ar_usb);
-		ar_usb = NULL;
-	}
-	return ar_usb;
-}
-
-static void ath6kl_usb_device_detached(struct usb_interface *interface)
-{
-	struct ath6kl_usb *ar_usb;
-
-	ar_usb = usb_get_intfdata(interface);
-	if (ar_usb == NULL)
-		return;
-
-	ath6kl_stop_txrx(ar_usb->ar);
-
-	ath6kl_core_cleanup(ar_usb->ar);
-
-	ath6kl_usb_destroy(ar_usb);
-}
-
-static int ath6kl_usb_submit_ctrl_out(struct ath6kl_usb *ar_usb,
-				   u8 req, u16 value, u16 index, void *data,
-				   u32 size)
-{
-	u8 *buf = NULL;
-	int ret;
-
-	if (size > 0) {
-		buf = kmalloc(size, GFP_KERNEL);
-		if (buf == NULL)
-			return -ENOMEM;
-
-		memcpy(buf, data, size);
-	}
-
-	/* note: if successful returns number of bytes transfered */
-	ret = usb_control_msg(ar_usb->udev,
-			      usb_sndctrlpipe(ar_usb->udev, 0),
-			      req,
-			      USB_DIR_OUT | USB_TYPE_VENDOR |
-			      USB_RECIP_DEVICE, value, index, buf,
-			      size, 1000);
-
-	if (ret < 0) {
-		ath6kl_dbg(ATH6KL_DBG_USB, "%s failed,result = %d\n",
-			   __func__, ret);
-	}
-
-	kfree(buf);
-
-	return 0;
-}
-
-static int ath6kl_usb_submit_ctrl_in(struct ath6kl_usb *ar_usb,
-				  u8 req, u16 value, u16 index, void *data,
-				  u32 size)
-{
-	u8 *buf = NULL;
-	int ret;
-
-	if (size > 0) {
-		buf = kmalloc(size, GFP_KERNEL);
-		if (buf == NULL)
-			return -ENOMEM;
-	}
-
-	/* note: if successful returns number of bytes transfered */
-	ret = usb_control_msg(ar_usb->udev,
-				 usb_rcvctrlpipe(ar_usb->udev, 0),
-				 req,
-				 USB_DIR_IN | USB_TYPE_VENDOR |
-				 USB_RECIP_DEVICE, value, index, buf,
-				 size, 2 * HZ);
-
-	if (ret < 0) {
-		ath6kl_dbg(ATH6KL_DBG_USB, "%s failed,result = %d\n",
-			   __func__, ret);
-	}
-
-	memcpy((u8 *) data, buf, size);
-
-	kfree(buf);
-
-	return 0;
-}
-
-static int ath6kl_usb_ctrl_msg_exchange(struct ath6kl_usb *ar_usb,
-				     u8 req_val, u8 *req_buf, u32 req_len,
-				     u8 resp_val, u8 *resp_buf, u32 *resp_len)
-{
-	int ret;
-
-	/* send command */
-	ret = ath6kl_usb_submit_ctrl_out(ar_usb, req_val, 0, 0,
-					 req_buf, req_len);
-
-	if (ret != 0)
-		return ret;
-
-	if (resp_buf == NULL) {
-		/* no expected response */
-		return ret;
-	}
-
-	/* get response */
-	ret = ath6kl_usb_submit_ctrl_in(ar_usb, resp_val, 0, 0,
-					resp_buf, *resp_len);
-
-	return ret;
-}
-
-static int ath6kl_usb_diag_read32(struct ath6kl *ar, u32 address, u32 *data)
-{
-	struct ath6kl_usb *ar_usb = ar->hif_priv;
-	struct ath6kl_usb_ctrl_diag_resp_read *resp;
-	struct ath6kl_usb_ctrl_diag_cmd_read *cmd;
-	u32 resp_len;
-	int ret;
-
-	cmd = (struct ath6kl_usb_ctrl_diag_cmd_read *) ar_usb->diag_cmd_buffer;
-
-	memset(cmd, 0, sizeof(*cmd));
-	cmd->cmd = ATH6KL_USB_CTRL_DIAG_CC_READ;
-	cmd->address = cpu_to_le32(address);
-	resp_len = sizeof(*resp);
-
-	ret = ath6kl_usb_ctrl_msg_exchange(ar_usb,
-				ATH6KL_USB_CONTROL_REQ_DIAG_CMD,
-				(u8 *) cmd,
-				sizeof(struct ath6kl_usb_ctrl_diag_cmd_write),
-				ATH6KL_USB_CONTROL_REQ_DIAG_RESP,
-				ar_usb->diag_resp_buffer, &resp_len);
-
-	if (ret)
-		return ret;
-
-	resp = (struct ath6kl_usb_ctrl_diag_resp_read *)
-		ar_usb->diag_resp_buffer;
-
-	*data = le32_to_cpu(resp->value);
-
-	return ret;
-}
-
-static int ath6kl_usb_diag_write32(struct ath6kl *ar, u32 address, __le32 data)
-{
-	struct ath6kl_usb *ar_usb = ar->hif_priv;
-	struct ath6kl_usb_ctrl_diag_cmd_write *cmd;
-
-	cmd = (struct ath6kl_usb_ctrl_diag_cmd_write *) ar_usb->diag_cmd_buffer;
-
-	memset(cmd, 0, sizeof(struct ath6kl_usb_ctrl_diag_cmd_write));
-	cmd->cmd = cpu_to_le32(ATH6KL_USB_CTRL_DIAG_CC_WRITE);
-	cmd->address = cpu_to_le32(address);
-	cmd->value = data;
-
-	return ath6kl_usb_ctrl_msg_exchange(ar_usb,
-					    ATH6KL_USB_CONTROL_REQ_DIAG_CMD,
-					    (u8 *) cmd,
-					    sizeof(*cmd),
-					    0, NULL, NULL);
-
-}
-
-static int ath6kl_usb_bmi_read(struct ath6kl *ar, u8 *buf, u32 len)
-{
-	struct ath6kl_usb *ar_usb = ar->hif_priv;
-	int ret;
-
-	/* get response */
-	ret = ath6kl_usb_submit_ctrl_in(ar_usb,
-					ATH6KL_USB_CONTROL_REQ_RECV_BMI_RESP,
-					0, 0, buf, len);
-	if (ret != 0) {
-		ath6kl_err("Unable to read the bmi data from the device: %d\n",
-			   ret);
-		return ret;
-	}
-
-	return 0;
-}
-
-static int ath6kl_usb_bmi_write(struct ath6kl *ar, u8 *buf, u32 len)
-{
-	struct ath6kl_usb *ar_usb = ar->hif_priv;
-	int ret;
-
-	/* send command */
-	ret = ath6kl_usb_submit_ctrl_out(ar_usb,
-					 ATH6KL_USB_CONTROL_REQ_SEND_BMI_CMD,
-					 0, 0, buf, len);
-	if (ret != 0) {
-		ath6kl_err("unable to send the bmi data to the device: %d\n",
-			   ret);
-		return ret;
-	}
-
-	return 0;
-}
-
-static int ath6kl_usb_power_on(struct ath6kl *ar)
-{
-	return 0;
-}
-
-static int ath6kl_usb_power_off(struct ath6kl *ar)
-{
-	return 0;
-}
-
-static const struct ath6kl_hif_ops ath6kl_usb_ops = {
-	.diag_read32 = ath6kl_usb_diag_read32,
-	.diag_write32 = ath6kl_usb_diag_write32,
-	.bmi_read = ath6kl_usb_bmi_read,
-	.bmi_write = ath6kl_usb_bmi_write,
-	.power_on = ath6kl_usb_power_on,
-	.power_off = ath6kl_usb_power_off,
-};
-
-/* ath6kl usb driver registered functions */
-static int ath6kl_usb_probe(struct usb_interface *interface,
-			    const struct usb_device_id *id)
-{
-	struct usb_device *dev = interface_to_usbdev(interface);
-	struct ath6kl *ar;
-	struct ath6kl_usb *ar_usb = NULL;
-	int vendor_id, product_id;
-	int ret = 0;
-
-	usb_get_dev(dev);
-
-	vendor_id = le16_to_cpu(dev->descriptor.idVendor);
-	product_id = le16_to_cpu(dev->descriptor.idProduct);
-
-	ath6kl_dbg(ATH6KL_DBG_USB, "vendor_id = %04x\n", vendor_id);
-	ath6kl_dbg(ATH6KL_DBG_USB, "product_id = %04x\n", product_id);
-
-	if (interface->cur_altsetting)
-		ath6kl_dbg(ATH6KL_DBG_USB, "USB Interface %d\n",
-			   interface->cur_altsetting->desc.bInterfaceNumber);
-
-
-	if (dev->speed == USB_SPEED_HIGH)
-		ath6kl_dbg(ATH6KL_DBG_USB, "USB 2.0 Host\n");
-	else
-		ath6kl_dbg(ATH6KL_DBG_USB, "USB 1.1 Host\n");
-
-	ar_usb = ath6kl_usb_create(interface);
-
-	if (ar_usb == NULL) {
-		ret = -ENOMEM;
-		goto err_usb_put;
-	}
-
-	ar = ath6kl_core_alloc(&ar_usb->udev->dev);
-	if (ar == NULL) {
-		ath6kl_err("Failed to alloc ath6kl core\n");
-		ret = -ENOMEM;
-		goto err_usb_destroy;
-	}
-
-	ar->hif_priv = ar_usb;
-	ar->hif_type = ATH6KL_HIF_TYPE_USB;
-	ar->hif_ops = &ath6kl_usb_ops;
-	ar->mbox_info.block_size = 16;
-	ar->bmi.max_data_size = 252;
-
-	ar_usb->ar = ar;
-
-	ret = ath6kl_core_init(ar);
-	if (ret) {
-		ath6kl_err("Failed to init ath6kl core: %d\n", ret);
-		goto err_core_free;
-	}
-
-	return ret;
-
-err_core_free:
-	ath6kl_core_free(ar);
-err_usb_destroy:
-	ath6kl_usb_destroy(ar_usb);
-err_usb_put:
-	usb_put_dev(dev);
-
-	return ret;
-}
-
-static void ath6kl_usb_remove(struct usb_interface *interface)
-{
-	usb_put_dev(interface_to_usbdev(interface));
-	ath6kl_usb_device_detached(interface);
-}
-
-/* table of devices that work with this driver */
-static struct usb_device_id ath6kl_usb_ids[] = {
-	{USB_DEVICE(0x0cf3, 0x9374)},
-	{ /* Terminating entry */ },
-};
-
-MODULE_DEVICE_TABLE(usb, ath6kl_usb_ids);
-
-static struct usb_driver ath6kl_usb_driver = {
-	.name = "ath6kl_usb",
-	.probe = ath6kl_usb_probe,
-	.disconnect = ath6kl_usb_remove,
-	.id_table = ath6kl_usb_ids,
-};
-
-static int ath6kl_usb_init(void)
-{
-	usb_register(&ath6kl_usb_driver);
-	return 0;
-}
-
-static void ath6kl_usb_exit(void)
-{
-	usb_deregister(&ath6kl_usb_driver);
-}
-
-module_init(ath6kl_usb_init);
-module_exit(ath6kl_usb_exit);
-
-MODULE_AUTHOR("Atheros Communications, Inc.");
-MODULE_DESCRIPTION("Driver support for Atheros AR600x USB devices");
-MODULE_LICENSE("Dual BSD/GPL");
-MODULE_FIRMWARE(AR6004_HW_1_0_FIRMWARE_FILE);
-MODULE_FIRMWARE(AR6004_HW_1_0_BOARD_DATA_FILE);
-MODULE_FIRMWARE(AR6004_HW_1_0_DEFAULT_BOARD_DATA_FILE);
-MODULE_FIRMWARE(AR6004_HW_1_1_FIRMWARE_FILE);
-MODULE_FIRMWARE(AR6004_HW_1_1_BOARD_DATA_FILE);
-MODULE_FIRMWARE(AR6004_HW_1_1_DEFAULT_BOARD_DATA_FILE);

drivers/net/wireless/ath/ath9k/ar9003_eeprom.c

···
 static u16 ar9003_switch_com_spdt_get(struct ath_hw *ah, bool is_2ghz)
 {
 	struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep;
-	__le32 val;
+	__le16 val;
 
 	if (is_2ghz)
 		val = eep->modalHeader2G.switchcomspdt;
 	else
 		val = eep->modalHeader5G.switchcomspdt;
-	return le32_to_cpu(val);
+	return le16_to_cpu(val);
 }
 
 

drivers/net/wireless/ath/ath9k/ar9003_mac.c

···
 
 void ath9k_hw_setup_statusring(struct ath_hw *ah, void *ts_start,
 			       u32 ts_paddr_start,
-			       u8 size)
+			       u16 size)
 {
 
 	ah->ts_paddr_start = ts_paddr_start;

drivers/net/wireless/ath/ath9k/ar9003_mac.h

···
 void ath9k_hw_reset_txstatus_ring(struct ath_hw *ah);
 void ath9k_hw_setup_statusring(struct ath_hw *ah, void *ts_start,
 			       u32 ts_paddr_start,
-			       u8 size);
+			       u16 size);
 #endif

drivers/net/wireless/ath/ath9k/ar9003_rtt.c

···
 
 #include "hw.h"
 #include "ar9003_phy.h"
+#include "ar9003_rtt.h"
 
 #define RTT_RESTORE_TIMEOUT          1000
 #define RTT_ACCESS_TIMEOUT           100

drivers/net/wireless/ath/ath9k/ath9k.h

···
 #define bf_isampdu(bf)		(bf->bf_state.bf_type & BUF_AMPDU)
 #define bf_isaggr(bf)		(bf->bf_state.bf_type & BUF_AGGR)
 
-#define ATH_TXSTATUS_RING_SIZE 64
+#define ATH_TXSTATUS_RING_SIZE 512
 
 #define	DS2PHYS(_dd, _ds)						\
 	((_dd)->dd_desc_paddr + ((caddr_t)(_ds) - (caddr_t)(_dd)->dd_desc))

drivers/net/wireless/ath/ath9k/beacon.c

···
 	struct ath_buf *bf = NULL;
 	struct ieee80211_vif *vif;
 	struct ath_tx_status ts;
+	bool edma = !!(ah->caps.hw_caps & ATH9K_HW_CAP_EDMA);
 	int slot;
 	u32 bfaddr, bc = 0;
 
···
 	if (bfaddr != 0) {
 		/* NB: cabq traffic should already be queued and primed */
 		ath9k_hw_puttxbuf(ah, sc->beacon.beaconq, bfaddr);
-		ath9k_hw_txstart(ah, sc->beacon.beaconq);
+
+		if (!edma)
+			ath9k_hw_txstart(ah, sc->beacon.beaconq);
 
 		sc->beacon.ast_be_xmit += bc;     /* XXX per-vif? */
-		if (ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
+		if (edma) {
 			spin_lock_bh(&sc->sc_pcu_lock);
 			ath9k_hw_txprocdesc(ah, bf->bf_desc, (void *)&ts);
 			spin_unlock_bh(&sc->sc_pcu_lock);

drivers/net/wireless/ath/ath9k/hw.h

···
 	u32 ts_paddr_start;
 	u32 ts_paddr_end;
 	u16 ts_tail;
-	u8 ts_size;
+	u16 ts_size;
 
 	u32 bb_watchdog_last_status;
 	u32 bb_watchdog_timeout_ms; /* in ms, 0 to disable */

drivers/net/wireless/ath/ath9k/mci.c

···
 #include "ath9k.h"
 #include "mci.h"
 
-u8 ath_mci_duty_cycle[] = { 0, 50, 60, 70, 80, 85, 90, 95, 98 };
+static const u8 ath_mci_duty_cycle[] = { 0, 50, 60, 70, 80, 85, 90, 95, 98 };
 
 static struct ath_mci_profile_info*
 ath_mci_find_profile(struct ath_mci_profile *mci,

drivers/net/wireless/ath/ath9k/xmit.c

···
 /*********************/
 
 static void ath_txq_lock(struct ath_softc *sc, struct ath_txq *txq)
+	__acquires(&txq->axq_lock)
 {
 	spin_lock_bh(&txq->axq_lock);
 }
 
 static void ath_txq_unlock(struct ath_softc *sc, struct ath_txq *txq)
+	__releases(&txq->axq_lock)
 {
 	spin_unlock_bh(&txq->axq_lock);
 }
 
 static void ath_txq_unlock_complete(struct ath_softc *sc, struct ath_txq *txq)
+	__releases(&txq->axq_lock)
 {
 	struct sk_buff_head q;
 	struct sk_buff *skb;

drivers/net/wireless/ath/carl9170/fw.c

···
 	return false;
 }
 
-static int carl9170_fw(struct ar9170 *ar, const __u8 *data, size_t len)
+static int carl9170_fw_checksum(struct ar9170 *ar, const __u8 *data,
+				size_t len)
 {
 	const struct carl9170fw_otus_desc *otus_desc;
-	const struct carl9170fw_chk_desc *chk_desc;
 	const struct carl9170fw_last_desc *last_desc;
-	const struct carl9170fw_txsq_desc *txsq_desc;
-	u16 if_comb_types;
+	const struct carl9170fw_chk_desc *chk_desc;
+	unsigned long fin, diff;
+	unsigned int dsc_len;
+	u32 crc32;
 
 	last_desc = carl9170_fw_find_desc(ar, LAST_MAGIC,
 		sizeof(*last_desc), CARL9170FW_LAST_DESC_CUR_VER);
···
 	chk_desc = carl9170_fw_find_desc(ar, CHK_MAGIC,
 		sizeof(*chk_desc), CARL9170FW_CHK_DESC_CUR_VER);
 
-	if (chk_desc) {
-		unsigned long fin, diff;
-		unsigned int dsc_len;
-		u32 crc32;
+	if (!chk_desc) {
+		dev_warn(&ar->udev->dev, "Unprotected firmware image.\n");
+		return 0;
+	}
 
-		dsc_len = min_t(unsigned int, len,
+	dsc_len = min_t(unsigned int, len,
 			(unsigned long)chk_desc - (unsigned long)otus_desc);
 
-		fin = (unsigned long) last_desc + sizeof(*last_desc);
-		diff = fin - (unsigned long) otus_desc;
+	fin = (unsigned long) last_desc + sizeof(*last_desc);
+	diff = fin - (unsigned long) otus_desc;
 
-		if (diff < len)
-			len -= diff;
+	if (diff < len)
+		len -= diff;
 
-		if (len < 256)
-			return -EIO;
+	if (len < 256)
+		return -EIO;
 
-		crc32 = crc32_le(~0, data, len);
-		if (cpu_to_le32(crc32) != chk_desc->fw_crc32) {
-			dev_err(&ar->udev->dev, "fw checksum test failed.\n");
-			return -ENOEXEC;
-		}
+	crc32 = crc32_le(~0, data, len);
+	if (cpu_to_le32(crc32) != chk_desc->fw_crc32) {
+		dev_err(&ar->udev->dev, "fw checksum test failed.\n");
+		return -ENOEXEC;
+	}
 
-		crc32 = crc32_le(crc32, (void *)otus_desc, dsc_len);
-		if (cpu_to_le32(crc32) != chk_desc->hdr_crc32) {
-			dev_err(&ar->udev->dev, "descriptor check failed.\n");
+	crc32 = crc32_le(crc32, (void *)otus_desc, dsc_len);
+	if (cpu_to_le32(crc32) != chk_desc->hdr_crc32) {
+		dev_err(&ar->udev->dev, "descriptor check failed.\n");
+		return -EINVAL;
+	}
+	return 0;
+}
+
+static int carl9170_fw_tx_sequence(struct ar9170 *ar)
+{
+	const struct carl9170fw_txsq_desc *txsq_desc;
+
+	txsq_desc = carl9170_fw_find_desc(ar, TXSQ_MAGIC, sizeof(*txsq_desc),
+					  CARL9170FW_TXSQ_DESC_CUR_VER);
+	if (txsq_desc) {
+		ar->fw.tx_seq_table = le32_to_cpu(txsq_desc->seq_table_addr);
+		if (!valid_cpu_addr(ar->fw.tx_seq_table))
 			return -EINVAL;
-		}
 	} else {
-		dev_warn(&ar->udev->dev, "Unprotected firmware image.\n");
+		ar->fw.tx_seq_table = 0;
+	}
+
+	return 0;
+}
+
+static int carl9170_fw(struct ar9170 *ar, const __u8 *data, size_t len)
+{
+	const struct carl9170fw_otus_desc *otus_desc;
+	int err;
+	u16 if_comb_types;
+
+	err = carl9170_fw_checksum(ar, data, len);
+	if (err)
+		return err;
+
+	otus_desc = carl9170_fw_find_desc(ar, OTUS_MAGIC,
+		sizeof(*otus_desc), CARL9170FW_OTUS_DESC_CUR_VER);
+	if (!otus_desc) {
+		return -ENODATA;
 	}
 
 #define SUPP(feat)						\
···
 
 	ar->hw->wiphy->interface_modes |= if_comb_types;
 
-	txsq_desc = carl9170_fw_find_desc(ar, TXSQ_MAGIC,
-		sizeof(*txsq_desc), CARL9170FW_TXSQ_DESC_CUR_VER);
-
-	if (txsq_desc) {
-		ar->fw.tx_seq_table = le32_to_cpu(txsq_desc->seq_table_addr);
-		if (!valid_cpu_addr(ar->fw.tx_seq_table))
-			return -EINVAL;
-	} else {
-		ar->fw.tx_seq_table = 0;
-	}
-
 #undef SUPPORTED
-	return 0;
+	return carl9170_fw_tx_sequence(ar);
 }
 
 static struct carl9170fw_desc_head *

drivers/net/wireless/b43/b43.h

···
 #define B43_BFH_BUCKBOOST		0x0020	/* has buck/booster */
 #define B43_BFH_FEM_BT			0x0040	/* has FEM and switch to share antenna
 						 * with bluetooth */
+#define B43_BFH_NOCBUCK			0x0080
+#define B43_BFH_PALDO			0x0200
+#define B43_BFH_EXTLNA_5GHZ		0x1000	/* has an external LNA (5GHz mode) */
 
 /* SPROM boardflags2_lo values */
 #define B43_BFL2_RXBB_INT_REG_DIS	0x0001	/* external RX BB regulator present */
···
 #define B43_BFL2_SKWRKFEM_BRD		0x0100	/* 4321mcm93 uses Skyworks FEM */
 #define B43_BFL2_SPUR_WAR		0x0200	/* has a workaround for clock-harmonic spurs */
 #define B43_BFL2_GPLL_WAR		0x0400	/* altenative G-band PLL settings implemented */
+#define B43_BFL2_SINGLEANT_CCK		0x1000
+#define B43_BFL2_2G_SPUR_WAR		0x2000
+
+/* SPROM boardflags2_hi values */
+#define B43_BFH2_GPLL_WAR2		0x0001
+#define B43_BFH2_IPALVLSHIFT_3P3	0x0002
+#define B43_BFH2_INTERNDET_TXIQCAL	0x0004
+#define B43_BFH2_XTALBUFOUTEN		0x0008
 
 /* GPIO register offset, in both ChipCommon and PCI core. */
 #define B43_GPIO_CONTROL		0x6c

drivers/net/wireless/b43/phy_n.c

···
 				b43_phy_mask(dev, val_addr,
 						~(rf_ctrl->val_mask));
 			} else {
-				if (core == 0 || ((1 << core) & i) != 0) {
+				if (core == 0 || ((1 << i) & core)) {
 					b43_phy_set(dev, en_addr, field);
 					b43_phy_maskset(dev, val_addr,
 						~(rf_ctrl->val_mask),
···
 			addr = B43_PHY_N((i == 0) ?
 				rf_ctrl->addr0 : rf_ctrl->addr1);
 
-			if ((core & (1 << i)) != 0)
+			if ((1 << i) & core)
 				b43_phy_maskset(dev, addr, ~(rf_ctrl->bmask),
 						(value << rf_ctrl->shift));
 
···
 			b43_phy_write(dev, B43_NPHY_SAMP_CMD, 1);
 	}
 	for (i = 0; i < 100; i++) {
-		if (b43_phy_read(dev, B43_NPHY_RFSEQST) & 1) {
+		if (!(b43_phy_read(dev, B43_NPHY_RFSEQST) & 1)) {
 			i = 0;
 			break;
 		}
···
 	/* Prepare values */
 	ghz5 = b43_phy_read(dev, B43_NPHY_BANDCTL)
 		& B43_NPHY_BANDCTL_5GHZ;
-	ext_lna = sprom->boardflags_lo & B43_BFL_EXTLNA;
+	ext_lna = ghz5 ? sprom->boardflags_hi & B43_BFH_EXTLNA_5GHZ :
+		sprom->boardflags_lo & B43_BFL_EXTLNA;
 	e = b43_nphy_get_gain_ctl_workaround_ent(dev, ghz5, ext_lna);
 	if (ghz5 && dev->phy.rev >= 5)
 		rssi_gain = 0x90;
···
 	b43_phy_write(dev, 0x2A7, e->init_gain);
 	b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x106), 2,
 				e->rfseq_init);
-	b43_phy_write(dev, B43_NPHY_C1_INITGAIN, e->init_gain);
 
 	/* TODO: check defines. Do not match variables names */
 	b43_phy_write(dev, B43_NPHY_C1_CLIP1_MEDGAIN, e->cliphi_gain);
···
 }
 
 /**************************************************
+ * Tx/Rx common
+ **************************************************/
+
+/*
+ * Transmits a known value for LO calibration
+ * http://bcm-v4.sipsolutions.net/802.11/PHY/N/TXTone
+ */
+static int b43_nphy_tx_tone(struct b43_wldev *dev, u32 freq, u16 max_val,
+				bool iqmode, bool dac_test)
+{
+	u16 samp = b43_nphy_gen_load_samples(dev, freq, max_val, dac_test);
+	if (samp == 0)
+		return -1;
+	b43_nphy_run_samples(dev, samp, 0xFFFF, 0, iqmode, dac_test);
+	return 0;
+}
+
+/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Chains */
+static void b43_nphy_update_txrx_chain(struct b43_wldev *dev)
+{
+	struct b43_phy_n *nphy = dev->phy.n;
+
+	bool override = false;
+	u16 chain = 0x33;
+
+	if (nphy->txrx_chain == 0) {
+		chain = 0x11;
+		override = true;
+	} else if (nphy->txrx_chain == 1) {
+		chain = 0x22;
+		override = true;
+	}
+
+	b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
+			~(B43_NPHY_RFSEQCA_TXEN | B43_NPHY_RFSEQCA_RXEN),
+			chain);
+
+	if (override)
+		b43_phy_set(dev, B43_NPHY_RFSEQMODE,
+				B43_NPHY_RFSEQMODE_CAOVER);
+	else
+		b43_phy_mask(dev, B43_NPHY_RFSEQMODE,
+				~B43_NPHY_RFSEQMODE_CAOVER);
+}
+
+/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/stop-playback */
+static void b43_nphy_stop_playback(struct b43_wldev *dev)
+{
+	struct b43_phy_n *nphy = dev->phy.n;
+	u16 tmp;
+
+	if (nphy->hang_avoid)
+		b43_nphy_stay_in_carrier_search(dev, 1);
+
+	tmp = b43_phy_read(dev, B43_NPHY_SAMP_STAT);
+	if (tmp & 0x1)
+		b43_phy_set(dev, B43_NPHY_SAMP_CMD, B43_NPHY_SAMP_CMD_STOP);
+	else if (tmp & 0x2)
+		b43_phy_mask(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x7FFF);
+
+	b43_phy_mask(dev, B43_NPHY_SAMP_CMD, ~0x0004);
+
+	if (nphy->bb_mult_save & 0x80000000) {
+		tmp = nphy->bb_mult_save & 0xFFFF;
+		b43_ntab_write(dev, B43_NTAB16(15, 87), tmp);
+		nphy->bb_mult_save = 0;
+	}
+
+	if (nphy->hang_avoid)
+		b43_nphy_stay_in_carrier_search(dev, 0);
+}
+
+/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/IqCalGainParams */
+static void b43_nphy_iq_cal_gain_params(struct b43_wldev *dev, u16 core,
+					struct nphy_txgains target,
+					struct nphy_iqcal_params *params)
+{
+	int i, j, indx;
+	u16 gain;
+
+	if (dev->phy.rev >= 3) {
+		params->txgm = target.txgm[core];
+		params->pga = target.pga[core];
+		params->pad = target.pad[core];
+		params->ipa = target.ipa[core];
+		params->cal_gain = (params->txgm << 12) | (params->pga << 8) |
+					(params->pad << 4) | (params->ipa);
+		for (j = 0; j < 5; j++)
+			params->ncorr[j] = 0x79;
+	} else {
+		gain = (target.pad[core]) | (target.pga[core] << 4) |
+			(target.txgm[core] << 8);
+
+		indx = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ?
+			1 : 0;
+		for (i = 0; i < 9; i++)
+			if (tbl_iqcal_gainparams[indx][i][0] == gain)
+				break;
+		i = min(i, 8);
+
+		params->txgm = tbl_iqcal_gainparams[indx][i][1];
+		params->pga = tbl_iqcal_gainparams[indx][i][2];
+		params->pad = tbl_iqcal_gainparams[indx][i][3];
+		params->cal_gain = (params->txgm << 7) | (params->pga << 4) |
+					(params->pad << 2);
+		for (j = 0; j < 4; j++)
+			params->ncorr[j] = tbl_iqcal_gainparams[indx][i][4 + j];
+	}
+}
+
+/**************************************************
  * Tx and Rx
  **************************************************/
 
···
 		}
 	}
 	if (dev->phy.rev < 7 &&
-	    (txpi[0] < 40 || txpi[0] > 100 || txpi[1] < 40 || txpi[1] > 10))
+	    (txpi[0] < 40 || txpi[0] > 100 || txpi[1] < 40 || txpi[1] > 100))
 		txpi[0] = txpi[1] = 91;
 
 	/*
···
 
 	if (nphy->hang_avoid)
 		b43_nphy_stay_in_carrier_search(dev, 0);
+}
+
+static void b43_nphy_ipa_internal_tssi_setup(struct b43_wldev *dev)
+{
+	struct b43_phy *phy = &dev->phy;
+
+	u8 core;
+	u16 r; /* routing */
+
+	if (phy->rev >= 7) {
+		for (core = 0; core < 2; core++) {
+			r = core ? 0x190 : 0x170;
+			if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
+				b43_radio_write(dev, r + 0x5, 0x5);
+				b43_radio_write(dev, r + 0x9, 0xE);
+				if (phy->rev != 5)
+					b43_radio_write(dev, r + 0xA, 0);
+				if (phy->rev != 7)
+					b43_radio_write(dev, r + 0xB, 1);
+				else
+					b43_radio_write(dev, r + 0xB, 0x31);
+			} else {
+				b43_radio_write(dev, r + 0x5, 0x9);
+				b43_radio_write(dev, r + 0x9, 0xC);
+				b43_radio_write(dev, r + 0xB, 0x0);
+				if (phy->rev != 5)
+					b43_radio_write(dev, r + 0xA, 1);
+				else
+					b43_radio_write(dev, r + 0xA, 0x31);
+			}
+			b43_radio_write(dev, r + 0x6, 0);
+			b43_radio_write(dev, r + 0x7, 0);
+			b43_radio_write(dev, r + 0x8, 3);
+			b43_radio_write(dev, r + 0xC, 0);
+		}
+	} else {
+		if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
+			b43_radio_write(dev, B2056_SYN_RESERVED_ADDR31, 0x128);
+		else
+			b43_radio_write(dev, B2056_SYN_RESERVED_ADDR31, 0x80);
+		b43_radio_write(dev, B2056_SYN_RESERVED_ADDR30, 0);
+		b43_radio_write(dev, B2056_SYN_GPIO_MASTER1, 0x29);
+
+		for (core = 0; core < 2; core++) {
+			r = core ? B2056_TX1 : B2056_TX0;
+
+			b43_radio_write(dev, r | B2056_TX_IQCAL_VCM_HG, 0);
+			b43_radio_write(dev, r | B2056_TX_IQCAL_IDAC, 0);
+			b43_radio_write(dev, r | B2056_TX_TSSI_VCM, 3);
+			b43_radio_write(dev, r | B2056_TX_TX_AMP_DET, 0);
+			b43_radio_write(dev, r | B2056_TX_TSSI_MISC1, 8);
+			b43_radio_write(dev, r | B2056_TX_TSSI_MISC2, 0);
+			b43_radio_write(dev, r | B2056_TX_TSSI_MISC3, 0);
+			if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
+				b43_radio_write(dev, r | B2056_TX_TX_SSI_MASTER,
+						0x5);
+				if (phy->rev != 5)
+					b43_radio_write(dev, r | B2056_TX_TSSIA,
+							0x00);
+				if (phy->rev >= 5)
+					b43_radio_write(dev, r | B2056_TX_TSSIG,
+							0x31);
+				else
+					b43_radio_write(dev, r | B2056_TX_TSSIG,
+							0x11);
+				b43_radio_write(dev, r | B2056_TX_TX_SSI_MUX,
+						0xE);
+			} else {
+				b43_radio_write(dev, r | B2056_TX_TX_SSI_MASTER,
+						0x9);
+				b43_radio_write(dev, r | B2056_TX_TSSIA, 0x31);
+				b43_radio_write(dev, r | B2056_TX_TSSIG, 0x0);
+				b43_radio_write(dev, r | B2056_TX_TX_SSI_MUX,
+						0xC);
+			}
+		}
+	}
+}
+
+/*
+ * Stop radio and transmit known signal. Then check received signal strength to
+ * get TSSI (Transmit Signal Strength Indicator).
+ * http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlIdleTssi
+ */
+static void b43_nphy_tx_power_ctl_idle_tssi(struct b43_wldev *dev)
+{
+	struct b43_phy *phy = &dev->phy;
+	struct b43_phy_n *nphy = dev->phy.n;
+
+	u32 tmp;
+	s32 rssi[4] = { };
+
+	/* TODO: check if we can transmit */
+
+	if (b43_nphy_ipa(dev))
+		b43_nphy_ipa_internal_tssi_setup(dev);
+
+	if (phy->rev >= 7)
+		; /* TODO: Override Rev7 with 0x2000, 0, 3, 0, 0 as arguments */
+	else if (phy->rev >= 3)
+		b43_nphy_rf_control_override(dev, 0x2000, 0, 3, false);
+
+	b43_nphy_stop_playback(dev);
+	b43_nphy_tx_tone(dev, 0xFA0, 0, false, false);
+	udelay(20);
+	tmp = b43_nphy_poll_rssi(dev, 4, rssi, 1);
+	b43_nphy_stop_playback(dev);
+	b43_nphy_rssi_select(dev, 0, 0);
+
+	if (phy->rev >= 7)
+		; /* TODO: Override Rev7 with 0x2000, 0, 3, 1, 0 as arguments */
+	else if (phy->rev >= 3)
+		b43_nphy_rf_control_override(dev, 0x2000, 0, 3, true);
+
+	if (phy->rev >= 3) {
+		nphy->pwr_ctl_info[0].idle_tssi_5g = (tmp >> 24) & 0xFF;
+		nphy->pwr_ctl_info[1].idle_tssi_5g = (tmp >> 8) & 0xFF;
+	} else {
+		nphy->pwr_ctl_info[0].idle_tssi_5g = (tmp >> 16) & 0xFF;
+		nphy->pwr_ctl_info[1].idle_tssi_5g = tmp & 0xFF;
+	}
+	nphy->pwr_ctl_info[0].idle_tssi_2g = (tmp >> 24) & 0xFF;
+	nphy->pwr_ctl_info[1].idle_tssi_2g = (tmp >> 8) & 0xFF;
 }
 
 static void b43_nphy_tx_gain_table_upload(struct b43_wldev *dev)
···
 		b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S2,
 			      (((((tmp << 3) | tmp) << 3) | tmp) << 3) | tmp);
 	}
-}
-
-/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Chains */
-static void b43_nphy_update_txrx_chain(struct b43_wldev *dev)
-{
-	struct b43_phy_n *nphy = dev->phy.n;
-
-	bool override = false;
-	u16 chain = 0x33;
-
-	if (nphy->txrx_chain == 0) {
-		chain = 0x11;
-		override = true;
-	} else if (nphy->txrx_chain == 1) {
-		chain = 0x22;
-		override = true;
-	}
-
-	b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
-			~(B43_NPHY_RFSEQCA_TXEN | B43_NPHY_RFSEQCA_RXEN),
-			chain);
-
-	if (override)
-		b43_phy_set(dev, B43_NPHY_RFSEQMODE,
-				B43_NPHY_RFSEQMODE_CAOVER);
-	else
-		b43_phy_mask(dev, B43_NPHY_RFSEQMODE,
-				~B43_NPHY_RFSEQMODE_CAOVER);
 }
 
 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxIqEst */
···
 	b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW3, array[3]);
 }
 
-/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/stop-playback */
-static void b43_nphy_stop_playback(struct b43_wldev *dev)
-{
-	struct b43_phy_n *nphy = dev->phy.n;
-	u16 tmp;
-
-	if (nphy->hang_avoid)
-		b43_nphy_stay_in_carrier_search(dev, 1);
-
-	tmp = b43_phy_read(dev, B43_NPHY_SAMP_STAT);
-	if (tmp & 0x1)
-		b43_phy_set(dev, B43_NPHY_SAMP_CMD, B43_NPHY_SAMP_CMD_STOP);
-	else if (tmp & 0x2)
-		b43_phy_mask(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x7FFF);
-
-	b43_phy_mask(dev, B43_NPHY_SAMP_CMD, ~0x0004);
-
-	if (nphy->bb_mult_save & 0x80000000) {
-		tmp = nphy->bb_mult_save & 0xFFFF;
-		b43_ntab_write(dev, B43_NTAB16(15, 87), tmp);
-		nphy->bb_mult_save = 0;
-	}
-
-	if (nphy->hang_avoid)
-		b43_nphy_stay_in_carrier_search(dev, 0);
-}
-
 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SpurWar */
 static void b43_nphy_spur_workaround(struct b43_wldev *dev)
 {
···
 
 	if (nphy->hang_avoid)
 		b43_nphy_stay_in_carrier_search(dev, 0);
-}
-
-/*
- * Transmits a known value for LO calibration
- * http://bcm-v4.sipsolutions.net/802.11/PHY/N/TXTone
- */
-static int b43_nphy_tx_tone(struct b43_wldev *dev, u32 freq, u16 max_val,
-				bool iqmode, bool dac_test)
-{
-	u16 samp = b43_nphy_gen_load_samples(dev, freq, max_val, dac_test);
-	if (samp == 0)
-		return -1;
-	b43_nphy_run_samples(dev, samp, 0xFFFF, 0, iqmode, dac_test);
-	return 0;
 }
 
 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlCoefSetup */
···
 			b43_radio_mask(dev, B2055_C1_TX_BB_MXGM, ~0x20);
 			b43_radio_mask(dev, B2055_C2_TX_BB_MXGM, ~0x20);
 		}
-	}
-}
-
-/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/IqCalGainParams */
-static void b43_nphy_iq_cal_gain_params(struct b43_wldev *dev, u16 core,
-					struct nphy_txgains target,
-					struct nphy_iqcal_params *params)
-{
-	int i, j, indx;
-	u16 gain;
-
-	if (dev->phy.rev >= 3) {
-		params->txgm = target.txgm[core];
-		params->pga = target.pga[core];
-		params->pad = target.pad[core];
-		params->ipa = target.ipa[core];
-		params->cal_gain = (params->txgm << 12) | (params->pga << 8) |
-					(params->pad << 4) | (params->ipa);
-		for (j = 0; j < 5; j++)
-			params->ncorr[j] = 0x79;
-	} else {
-		gain = (target.pad[core]) | (target.pga[core] << 4) |
-			(target.txgm[core] << 8);
-
-		indx = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ?
-			1 : 0;
-		for (i = 0; i < 9; i++)
-			if (tbl_iqcal_gainparams[indx][i][0] == gain)
-				break;
-		i = min(i, 8);
-
-		params->txgm = tbl_iqcal_gainparams[indx][i][1];
-		params->pga = tbl_iqcal_gainparams[indx][i][2];
-		params->pad = tbl_iqcal_gainparams[indx][i][3];
-		params->cal_gain = (params->txgm << 7) | (params->pga << 4) |
-					(params->pad << 2);
-		for (j = 0; j < 4; j++)
-			params->ncorr[j] = tbl_iqcal_gainparams[indx][i][4 + j];
 	}
 }
 
···
 	tx_pwr_state = nphy->txpwrctrl;
 	b43_nphy_tx_power_ctrl(dev, false);
 	b43_nphy_tx_power_fix(dev);
-	/* TODO N PHY TX Power Control Idle TSSI */
+	b43_nphy_tx_power_ctl_idle_tssi(dev);
 	/* TODO N PHY TX Power Control Setup */
 	b43_nphy_tx_gain_table_upload(dev);
 

drivers/net/wireless/b43/phy_n.h

···
 	u16 locomp;
 };
 
+struct b43_phy_n_pwr_ctl_info {
+	u8 idle_tssi_2g;
+	u8 idle_tssi_5g;
+};
+
 struct b43_phy_n {
 	u8 antsel_type;
 	u8 cal_orig_pwr_idx[2];
···
 	u16 txiqlocal_bestc[11];
 	bool txiqlocal_coeffsvalid;
 	struct b43_phy_n_txpwrindex txpwrindex[2];
+	struct b43_phy_n_pwr_ctl_info pwr_ctl_info[2];
 	struct b43_chanspec txiqlocal_chanspec;
 
 	u8 txrx_chain;

drivers/net/wireless/b43/tables_nphy.c

···
 	{ 0x00C0,  6, 0xE7, 0xF9, 0xEC, 0xFB }  /* field == 0x4000 (fls 15) */
 };
 
-struct nphy_gain_ctl_workaround_entry nphy_gain_ctl_workaround[2][3] = {
+struct nphy_gain_ctl_workaround_entry nphy_gain_ctl_wa_phy6_radio11_ghz2 = {
+	{ 10, 14, 19, 27 },
+	{ -5, 6, 10, 15 },
+	{ 0xA, 0xA, 0xA, 0xA, 0xA, 0xA, 0xA, 0xA, 0xA, 0xA },
+	{ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3 },
+	0x427E,
+	{ 0x413F, 0x413F, 0x413F, 0x413F },
+	0x007E, 0x0066, 0x1074,
+	0x18, 0x18, 0x18,
+	0x01D0, 0x5,
+};
+struct nphy_gain_ctl_workaround_entry nphy_gain_ctl_workaround[2][4] = {
 	{ /* 2GHz */
 		{ /* PHY rev 3 */
 			{ 7, 11, 16, 23 },
···
 			0x18, 0x18, 0x18,
 			0x01A1, 0x5,
 		},
-		{ /* PHY rev 5+ */
+		{ /* PHY rev 5 */
 			{ 9, 13, 18, 26 },
 			{ -3, 7, 11, 16 },
 			{ 0xA, 0xA, 0xA, 0xA, 0xA, 0xA, 0xA, 0xA, 0xA, 0xA },
 			{ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3 },
 			0x427E, /* invalid for external LNA! */
 			{ 0x413F, 0x413F, 0x413F, 0x413F }, /* invalid for external LNA! */
-			0x1076, 0x0066, 0x106A,
-			0xC, 0xC, 0xC,
+			0x1076, 0x0066, 0x0000, /* low is invalid (the last one) */
+			0x18, 0x18, 0x18,
+			0x01D0, 0x9,
+		},
+		{ /* PHY rev 6+ */
+			{ 8, 13, 18, 25 },
+			{ -5, 6, 10, 14 },
+			{ 0xA, 0xA, 0xA, 0xA, 0xA, 0xA, 0xA, 0xA, 0xA, 0xA },
+			{ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3 },
+			0x527E, /* invalid for external LNA! */
+			{ 0x513F, 0x513F, 0x513F, 0x513F }, /* invalid for external LNA! */
+			0x1076, 0x0066, 0x0000, /* low is invalid (the last one) */
+			0x18, 0x18, 0x18,
 			0x01D0, 0x5,
 		},
 	},
···
 			0x24, 0x24, 0x24,
 			0x0107, 25,
 		},
-		{ /* PHY rev 5+ */
+		{ /* PHY rev 5 */
 			{ 6, 10, 16, 21 },
 			{ -7, 0, 4, 8 },
 			{ 0xD, 0xD, 0xD, 0xD, 0xD, 0xD, 0xD, 0xD, 0xD, 0xD },
···
 			0x029E, 0x2084, 0x2086,
 			0x24, 0x24, 0x24,
 			0x00A9, 25,
+		},
+		{ /* PHY rev 6+ */
+			{ 6, 10, 16, 21 },
+			{ -7, 0, 4, 8 },
+			{ 0xD, 0xD, 0xD, 0xD, 0xD, 0xD, 0xD, 0xD, 0xD, 0xD },
+			{ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4 },
+			0x729E,
+			{ 0x714F, 0x714F, 0x714F, 0x714F },
+			0x029E, 0x2084, 0x2086,
+			0x24, 0x24, 0x24, /* low is invalid for radio rev 11! */
+			0x00F0, 25,
 		},
 	},
 };
···
 {
 	struct nphy_gain_ctl_workaround_entry *e;
 	u8 phy_idx;
+	u8 tr_iso = ghz5 ? dev->dev->bus_sprom->fem.ghz5.tr_iso :
+			   dev->dev->bus_sprom->fem.ghz2.tr_iso;
+
+	if (!ghz5 && dev->phy.rev >= 6 && dev->phy.radio_rev == 11)
+		return &nphy_gain_ctl_wa_phy6_radio11_ghz2;
 
 	B43_WARN_ON(dev->phy.rev < 3);
-	if (dev->phy.rev >= 5)
+	if (dev->phy.rev >= 6)
+		phy_idx = 3;
+	else if (dev->phy.rev == 5)
 		phy_idx = 2;
 	else if (dev->phy.rev == 4)
 		phy_idx = 1;
 	else
 		phy_idx = 0;
-
 	e = &nphy_gain_ctl_workaround[ghz5][phy_idx];
 
-	/* Only one entry differs for external LNA, so instead making whole
-	 * table 2 times bigger, hack is here
-	 */
-	if (!ghz5 && dev->phy.rev >= 5 && ext_lna) {
-		e->rfseq_init[0] &= 0x0FFF;
-		e->rfseq_init[1] &= 0x0FFF;
-		e->rfseq_init[2] &= 0x0FFF;
-		e->rfseq_init[3] &= 0x0FFF;
-		e->init_gain &= 0x0FFF;
+	/* Some workarounds to the workarounds... */
+	if (ghz5 && dev->phy.rev >= 6) {
+		if (dev->phy.radio_rev == 11 &&
+		    !b43_channel_type_is_40mhz(dev->phy.channel_type))
+			e->cliplo_gain = 0x2d;
+	} else if (!ghz5 && dev->phy.rev >= 5) {
+		if (ext_lna) {
+			e->rfseq_init[0] &= ~0x4000;
+			e->rfseq_init[1] &= ~0x4000;
+			e->rfseq_init[2] &= ~0x4000;
+			e->rfseq_init[3] &= ~0x4000;
+			e->init_gain &= ~0x4000;
+		}
+		switch (tr_iso) {
+		case 0:
+			e->cliplo_gain = 0x0062;
+		case 1:
+			e->cliplo_gain = 0x0064;
+		case 2:
+			e->cliplo_gain = 0x006a;
+		case 3:
+			e->cliplo_gain = 0x106a;
+		case 4:
+			e->cliplo_gain = 0x106c;
+		case 5:
+			e->cliplo_gain = 0x1074;
+		case 6:
+			e->cliplo_gain = 0x107c;
+		case 7:
+			e->cliplo_gain = 0x207c;
+		default:
+			e->cliplo_gain = 0x106a;
+		}
+	} else if (ghz5 && dev->phy.rev == 4 && ext_lna) {
+		e->rfseq_init[0] &= ~0x4000;
+		e->rfseq_init[1] &= ~0x4000;
+		e->rfseq_init[2] &= ~0x4000;
+		e->rfseq_init[3] &= ~0x4000;
+		e->init_gain &= ~0x4000;
+		e->rfseq_init[0] |= 0x1000;
+		e->rfseq_init[1] |= 0x1000;
+		e->rfseq_init[2] |= 0x1000;
+		e->rfseq_init[3] |= 0x1000;
+		e->init_gain |= 0x1000;
 	}
 
 	return e;

drivers/net/wireless/b43legacy/b43legacy.h

···
 	u8 algorithm;
 };
 
+#define B43legacy_QOS_QUEUE_NUM	4
+
 struct b43legacy_wldev;
+
+/* QOS parameters for a queue. */
+struct b43legacy_qos_params {
+	/* The QOS parameters */
+	struct ieee80211_tx_queue_params p;
+};
 
 /* Data structure for the WLAN parts (802.11 cores) of the b43legacy chip. */
 struct b43legacy_wl {
···
 	bool beacon1_uploaded;
 	bool beacon_templates_virgin; /* Never wrote the templates? */
 	struct work_struct beacon_update_trigger;
+	/* The current QOS parameters for the 4 queues. */
+	struct b43legacy_qos_params qos_params[B43legacy_QOS_QUEUE_NUM];
+
+	/* Packet transmit work */
+	struct work_struct tx_work;
+
+	/* Queue of packets to be transmitted. */
+	struct sk_buff_head tx_queue[B43legacy_QOS_QUEUE_NUM];
+
+	/* Flag that implement the queues stopping. */
+	bool tx_queue_stopped[B43legacy_QOS_QUEUE_NUM];
+
 };
 
 /* Pointers to the firmware data and meta information about it. */

drivers/net/wireless/b43legacy/dma.c

···
 		} else
 			B43legacy_WARN_ON(1);
 	}
-	spin_lock_init(&ring->lock);
 #ifdef CONFIG_B43LEGACY_DEBUG
 	ring->last_injected_overflow = jiffies;
 #endif
···
 {
 	struct b43legacy_dmaring *ring;
 	int err = 0;
-	unsigned long flags;
 
 	ring = priority_to_txring(dev, skb_get_queue_mapping(skb));
-	spin_lock_irqsave(&ring->lock, flags);
 	B43legacy_WARN_ON(!ring->tx);
 
 	if (unlikely(ring->stopped)) {
···
 		 * For now, just refuse the transmit. */
 		if (b43legacy_debug(dev, B43legacy_DBG_DMAVERBOSE))
 			b43legacyerr(dev->wl, "Packet after queue stopped\n");
-		err = -ENOSPC;
-		goto out_unlock;
+		return -ENOSPC;
 	}
 
 	if (unlikely(WARN_ON(free_slots(ring) < SLOTS_PER_PACKET))) {
 		/* If we get here, we have a real error with the queue
 		 * full, but queues not stopped. */
 		b43legacyerr(dev->wl, "DMA queue overflow\n");
-		err = -ENOSPC;
-		goto out_unlock;
+		return -ENOSPC;
 	}
 
 	/* dma_tx_fragment might reallocate the skb, so invalidate pointers pointing
···
 		/* Drop this packet, as we don't have the encryption key
 		 * anymore and must not transmit it unencrypted. */
 		dev_kfree_skb_any(skb);
-		err = 0;
-		goto out_unlock;
+		return 0;
 	}
 	if (unlikely(err)) {
 		b43legacyerr(dev->wl, "DMA tx mapping failure\n");
-		goto out_unlock;
+		return err;
 	}
 	if ((free_slots(ring) < SLOTS_PER_PACKET) ||
 	    should_inject_overflow(ring)) {
 		/* This TX ring is full. */
-		ieee80211_stop_queue(dev->wl->hw, txring_to_priority(ring));
+		unsigned int skb_mapping = skb_get_queue_mapping(skb);
+		ieee80211_stop_queue(dev->wl->hw, skb_mapping);
+		dev->wl->tx_queue_stopped[skb_mapping] = 1;
 		ring->stopped = true;
 		if (b43legacy_debug(dev, B43legacy_DBG_DMAVERBOSE))
 			b43legacydbg(dev->wl, "Stopped TX ring %d\n",
 			       ring->index);
 	}
-out_unlock:
-	spin_unlock_irqrestore(&ring->lock, flags);
-
 	return err;
 }
 
···
 	struct b43legacy_dmadesc_meta *meta;
 	int retry_limit;
 	int slot;
+	int firstused;
 
 	ring = parse_cookie(dev, status->cookie, &slot);
 	if (unlikely(!ring))
 		return;
-	B43legacy_WARN_ON(!irqs_disabled());
-	spin_lock(&ring->lock);
-
 	B43legacy_WARN_ON(!ring->tx);
+
+	/* Sanity check: TX packets are processed in-order on one ring.
+	 * Check if the slot deduced from the cookie really is the first
+	 * used slot. */
+	firstused = ring->current_slot - ring->used_slots + 1;
+	if (firstused < 0)
+		firstused = ring->nr_slots + firstused;
+	if (unlikely(slot != firstused)) {
+		/* This possibly is a firmware bug and will result in
+		 * malfunction, memory leaks and/or stall of DMA functionality.
+		 */
+		b43legacydbg(dev->wl, "Out of order TX status report on DMA "
+			     "ring %d. Expected %d, but got %d\n",
+			     ring->index, firstused, slot);
+		return;
+	}
+
 	while (1) {
 		B43legacy_WARN_ON(!(slot >= 0 && slot < ring->nr_slots));
 		op32_idx2desc(ring, slot, &meta);
···
 	dev->stats.last_tx = jiffies;
 	if (ring->stopped) {
 		B43legacy_WARN_ON(free_slots(ring) < SLOTS_PER_PACKET);
-		ieee80211_wake_queue(dev->wl->hw, txring_to_priority(ring));
 		ring->stopped = false;
-		if (b43legacy_debug(dev, B43legacy_DBG_DMAVERBOSE))
-			b43legacydbg(dev->wl, "Woke up TX ring %d\n",
-			       ring->index);
 	}
 
-	spin_unlock(&ring->lock);
+	if (dev->wl->tx_queue_stopped[ring->queue_prio]) {
+		dev->wl->tx_queue_stopped[ring->queue_prio] = 0;
+	} else {
+		/* If the driver queue is running wake the corresponding
+		 * mac80211 queue. */
+		ieee80211_wake_queue(dev->wl->hw, ring->queue_prio);
+		if (b43legacy_debug(dev, B43legacy_DBG_DMAVERBOSE))
+			b43legacydbg(dev->wl, "Woke up TX ring %d\n",
+				     ring->index);
+	}
+	/* Add work to the queue. */
+	ieee80211_queue_work(dev->wl->hw, &dev->wl->tx_work);
 }
 
 static void dma_rx(struct b43legacy_dmaring *ring,
···
 
 static void b43legacy_dma_tx_suspend_ring(struct b43legacy_dmaring *ring)
 {
-	unsigned long flags;
-
-	spin_lock_irqsave(&ring->lock, flags);
 	B43legacy_WARN_ON(!ring->tx);
 	op32_tx_suspend(ring);
-	spin_unlock_irqrestore(&ring->lock, flags);
 }
 
 static void b43legacy_dma_tx_resume_ring(struct b43legacy_dmaring *ring)
 {
-	unsigned long flags;
-
-	spin_lock_irqsave(&ring->lock, flags);
 	B43legacy_WARN_ON(!ring->tx);
 	op32_tx_resume(ring);
-	spin_unlock_irqrestore(&ring->lock, flags);
 }
 
 void b43legacy_dma_tx_suspend(struct b43legacy_wldev *dev)

drivers/net/wireless/b43legacy/dma.h

···
 	enum b43legacy_dmatype type;
 	/* Boolean. Is this ring stopped at ieee80211 level? */
 	bool stopped;
-	/* Lock, only used for TX. */
-	spinlock_t lock;
+	/* The QOS priority assigned to this ring. Only used for TX rings.
+	 * This is the mac80211 "queue" value. */
+	u8 queue_prio;
 	struct b43legacy_wldev *dev;
 #ifdef CONFIG_B43LEGACY_DEBUG
 	/* Maximum number of used slots. */

drivers/net/wireless/b43legacy/main.c

···
 	return err;
 }
 
+static void b43legacy_tx_work(struct work_struct *work)
+{
+	struct b43legacy_wl *wl = container_of(work, struct b43legacy_wl,
+				  tx_work);
+	struct b43legacy_wldev *dev;
+	struct sk_buff *skb;
+	int queue_num;
+	int err = 0;
+
+	mutex_lock(&wl->mutex);
+	dev = wl->current_dev;
+	if (unlikely(!dev || b43legacy_status(dev) < B43legacy_STAT_STARTED)) {
+		mutex_unlock(&wl->mutex);
+		return;
+	}
+
+	for (queue_num = 0; queue_num < B43legacy_QOS_QUEUE_NUM; queue_num++) {
+		while (skb_queue_len(&wl->tx_queue[queue_num])) {
+			skb = skb_dequeue(&wl->tx_queue[queue_num]);
+			if (b43legacy_using_pio(dev))
+				err = b43legacy_pio_tx(dev, skb);
+			else
+				err = b43legacy_dma_tx(dev, skb);
+			if (err == -ENOSPC) {
+				wl->tx_queue_stopped[queue_num] = 1;
+				ieee80211_stop_queue(wl->hw, queue_num);
+				skb_queue_head(&wl->tx_queue[queue_num], skb);
+				break;
+			}
+			if (unlikely(err))
+				dev_kfree_skb(skb); /* Drop it */
+			err = 0;
+		}
+
+		if (!err)
+			wl->tx_queue_stopped[queue_num] = 0;
+	}
+
+	mutex_unlock(&wl->mutex);
+}
+
 static void b43legacy_op_tx(struct ieee80211_hw *hw,
 			    struct sk_buff *skb)
 {
 	struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw);
-	struct b43legacy_wldev *dev = wl->current_dev;
-	int err = -ENODEV;
-	unsigned long flags;
 
-	if (unlikely(!dev))
-		goto out;
-	if (unlikely(b43legacy_status(dev) < B43legacy_STAT_STARTED))
-		goto out;
-	/* DMA-TX is done without a global lock. */
-	if (b43legacy_using_pio(dev)) {
-		spin_lock_irqsave(&wl->irq_lock, flags);
-		err = b43legacy_pio_tx(dev, skb);
-		spin_unlock_irqrestore(&wl->irq_lock, flags);
-	} else
-		err = b43legacy_dma_tx(dev, skb);
-out:
-	if (unlikely(err)) {
-		/* Drop the packet. */
+	if (unlikely(skb->len < 2 + 2 + 6)) {
+		/* Too short, this can't be a valid frame. */
 		dev_kfree_skb_any(skb);
+		return;
 	}
+	B43legacy_WARN_ON(skb_shinfo(skb)->nr_frags);
+
+	skb_queue_tail(&wl->tx_queue[skb->queue_mapping], skb);
+	if (!wl->tx_queue_stopped[skb->queue_mapping])
+		ieee80211_queue_work(wl->hw, &wl->tx_work);
+	else
+		ieee80211_stop_queue(wl->hw, skb->queue_mapping);
 }
 
 static int b43legacy_op_conf_tx(struct ieee80211_hw *hw,
···
 {
 	struct b43legacy_wl *wl = dev->wl;
 	unsigned long flags;
+	int queue_num;
 
 	if (b43legacy_status(dev) < B43legacy_STAT_STARTED)
 		return;
···
 	/* Must unlock as it would otherwise deadlock. No races here.
 	 * Cancel the possibly running self-rearming periodic work. */
 	cancel_delayed_work_sync(&dev->periodic_work);
+	cancel_work_sync(&wl->tx_work);
 	mutex_lock(&wl->mutex);
 
-	ieee80211_stop_queues(wl->hw); /* FIXME this could cause a deadlock */
+	/* Drain all TX queues. */
+	for (queue_num = 0; queue_num < B43legacy_QOS_QUEUE_NUM; queue_num++) {
+		while (skb_queue_len(&wl->tx_queue[queue_num]))
+			dev_kfree_skb(skb_dequeue(&wl->tx_queue[queue_num]));
+	}
 
-	b43legacy_mac_suspend(dev);
+b43legacy_mac_suspend(dev);
 	free_irq(dev->dev->irq, dev);
 	b43legacydbg(wl, "Wireless interface stopped\n");
 }
···
 	struct ieee80211_hw *hw;
 	struct b43legacy_wl *wl;
 	int err = -ENOMEM;
+	int queue_num;
 
 	b43legacy_sprom_fixup(dev->bus);
 
···
 	mutex_init(&wl->mutex);
 	INIT_LIST_HEAD(&wl->devlist);
 	INIT_WORK(&wl->beacon_update_trigger, b43legacy_beacon_update_trigger_work);
+	INIT_WORK(&wl->tx_work, b43legacy_tx_work);
+
+	/* Initialize queues and flags. */
+	for (queue_num = 0; queue_num < B43legacy_QOS_QUEUE_NUM; queue_num++) {
+		skb_queue_head_init(&wl->tx_queue[queue_num]);
+		wl->tx_queue_stopped[queue_num] = 0;
+	}
 
 	ssb_set_devtypedata(dev, wl);
 	b43legacyinfo(wl, "Broadcom %04X WLAN found (core revision %u)\n",

drivers/net/wireless/ipw2x00/libipw.h

···
 	/* WEP and other encryption related settings at the device level */
 	int open_wep;		/* Set to 1 to allow unencrypted frames */
 
-	int reset_on_keychange;	/* Set to 1 if the HW needs to be reset on
-				 * WEP key changes */
-
 	/* If the host performs {en,de}cryption, then set to 1 */
 	int host_encrypt;
 	int host_encrypt_msdu;
···
 			      struct libipw_security * sec);
 	netdev_tx_t (*hard_start_xmit) (struct libipw_txb * txb,
 					struct net_device * dev, int pri);
-	int (*reset_port) (struct net_device * dev);
 	int (*is_queue_full) (struct net_device * dev, int pri);
 
 	int (*handle_management) (struct net_device * dev,

drivers/net/wireless/ipw2x00/libipw_wx.c

···
 	if (ieee->set_security)
 		ieee->set_security(dev, &sec);
 
-	/* Do not reset port if card is in Managed mode since resetting will
-	 * generate new IEEE 802.11 authentication which may end up in looping
-	 * with IEEE 802.1X.  If your hardware requires a reset after WEP
-	 * configuration (for example... Prism2), implement the reset_port in
-	 * the callbacks structures used to initialize the 802.11 stack. */
-	if (ieee->reset_on_keychange &&
-	    ieee->iw_mode != IW_MODE_INFRA &&
-	    ieee->reset_port && ieee->reset_port(dev)) {
-		printk(KERN_DEBUG "%s: reset_port failed\n", dev->name);
-		return -EINVAL;
-	}
 	return 0;
 }
 
···
       done:
 	if (ieee->set_security)
 		ieee->set_security(ieee->dev, &sec);
-
-	/*
-	 * Do not reset port if card is in Managed mode since resetting will
-	 * generate new IEEE 802.11 authentication which may end up in looping
-	 * with IEEE 802.1X. If your hardware requires a reset after WEP
-	 * configuration (for example... Prism2), implement the reset_port in
-	 * the callbacks structures used to initialize the 802.11 stack.
-	 */
-	if (ieee->reset_on_keychange &&
-	    ieee->iw_mode != IW_MODE_INFRA &&
-	    ieee->reset_port && ieee->reset_port(dev)) {
-		LIBIPW_DEBUG_WX("%s: reset_port failed\n", dev->name);
-		return -EINVAL;
-	}
 
 	return ret;
 }

drivers/net/wireless/iwlegacy/3945-mac.c

···
 	/* TODO need this for burst mode later on */
 	il3945_build_tx_cmd_basic(il, out_cmd, info, hdr, sta_id);
 
-	/* set is_hcca to 0; it probably will never be implemented */
-	il3945_hw_build_tx_cmd_rate(il, out_cmd, info, hdr, sta_id, 0);
+	il3945_hw_build_tx_cmd_rate(il, out_cmd, info, hdr, sta_id);
 
 	/* Total # bytes to be transmitted */
 	len = (u16) skb->len;
···
 	}
 
 	/*
-	 * If active scaning is requested but a certain channel
-	 * is marked passive, we can do active scanning if we
-	 * detect transmissions.
+	 * If active scaning is requested but a certain channel is marked
+	 * passive, we can do active scanning if we detect transmissions. For
+	 * passive only scanning disable switching to active on any channel.
 	 */
 	scan->good_CRC_th =
-	    is_active ? IL_GOOD_CRC_TH_DEFAULT : IL_GOOD_CRC_TH_DISABLED;
+	    is_active ? IL_GOOD_CRC_TH_DEFAULT : IL_GOOD_CRC_TH_NEVER;
 
 	len =
 	    il_fill_probe_req(il, (struct ieee80211_mgmt *)scan->data,

drivers/net/wireless/iwlegacy/3945-rs.c

···
 	{-92, RATE_1M_IDX}
 };
 
-#define RATE_MAX_WINDOW          62
+#define RATE_MAX_WINDOW		62
 #define RATE_FLUSH		(3*HZ)
-#define RATE_WIN_FLUSH       (HZ/2)
-#define IL39_RATE_HIGH_TH          11520
-#define IL_SUCCESS_UP_TH	   8960
-#define IL_SUCCESS_DOWN_TH	  10880
-#define RATE_MIN_FAILURE_TH       6
-#define RATE_MIN_SUCCESS_TH       8
-#define RATE_DECREASE_TH       1920
-#define RATE_RETRY_TH	     15
+#define RATE_WIN_FLUSH		(HZ/2)
+#define IL39_RATE_HIGH_TH	11520
+#define IL_SUCCESS_UP_TH	8960
+#define IL_SUCCESS_DOWN_TH	10880
+#define RATE_MIN_FAILURE_TH	6
+#define RATE_MIN_SUCCESS_TH	8
+#define RATE_DECREASE_TH	1920
+#define RATE_RETRY_TH		15
 
 static u8
 il3945_get_rate_idx_by_rssi(s32 rssi, enum ieee80211_band band)
···
 		tpt_table = il3945_tpt_table_g;
 		table_size = ARRAY_SIZE(il3945_tpt_table_g);
 		break;
-
 	case IEEE80211_BAND_5GHZ:
 		tpt_table = il3945_tpt_table_a;
 		table_size = ARRAY_SIZE(il3945_tpt_table_a);
 		break;
-
 	default:
 		BUG();
 		break;
···
 	while (idx < table_size && rssi < tpt_table[idx].min_rssi)
 		idx++;
 
-	idx = min(idx, (table_size - 1));
+	idx = min(idx, table_size - 1);
 
 	return tpt_table[idx].idx;
 }
···
 	win->stamp = jiffies;
 
 	spin_unlock_irqrestore(&rs_sta->lock, flags);
-
 }
 
 /*
···
 	/* For 5 GHz band it start at IL_FIRST_OFDM_RATE */
 	if (sband->band == IEEE80211_BAND_5GHZ) {
 		rs_sta->last_txrate_idx += IL_FIRST_OFDM_RATE;
-		il->_3945.sta_supp_rates =
-		    il->_3945.sta_supp_rates << IL_FIRST_OFDM_RATE;
+		il->_3945.sta_supp_rates <<= IL_FIRST_OFDM_RATE;
 	}
 
 out:
···
 static void
 il3945_rs_free(void *il)
 {
-	return;
 }
 
 static void *
···
 
 	switch (scale_action) {
 	case -1:
-
 		/* Decrese rate */
 		if (low != RATE_INVALID)
 			idx = low;
 		break;
-
 	case 1:
 		/* Increase rate */
 		if (high != RATE_INVALID)
 			idx = high;
 
 		break;
-
 	case 0:
 	default:
 		/* No change */
···
 		} else
 			rs_sta->expected_tpt = il3945_expected_tpt_g;
 		break;
-
 	case IEEE80211_BAND_5GHZ:
 		rs_sta->expected_tpt = il3945_expected_tpt_a;
 		break;

drivers/net/wireless/iwlegacy/3945.c

···
 void
 il3945_hw_build_tx_cmd_rate(struct il_priv *il, struct il_device_cmd *cmd,
 			    struct ieee80211_tx_info *info,
-			    struct ieee80211_hdr *hdr, int sta_id, int tx_id)
+			    struct ieee80211_hdr *hdr, int sta_id)
 {
 	u16 hw_value = ieee80211_get_tx_rate(il->hw, info)->hw_value;
-	u16 rate_idx = min(hw_value & 0xffff, RATE_COUNT_3945);
+	u16 rate_idx = min(hw_value & 0xffff, RATE_COUNT_3945 - 1);
 	u16 rate_mask;
 	int rate;
-	u8 rts_retry_limit;
+	const u8 rts_retry_limit = 7;
 	u8 data_retry_limit;
 	__le32 tx_flags;
 	__le16 fc = hdr->frame_control;
···
 	else
 		data_retry_limit = IL_DEFAULT_TX_RETRY;
 	tx_cmd->data_retry_limit = data_retry_limit;
-
-	if (tx_id >= IL39_CMD_QUEUE_NUM)
-		rts_retry_limit = 3;
-	else
-		rts_retry_limit = 7;
-
-	if (data_retry_limit < rts_retry_limit)
-		rts_retry_limit = data_retry_limit;
-	tx_cmd->rts_retry_limit = rts_retry_limit;
+	/* Set retry limit on RTS packets */
+	tx_cmd->rts_retry_limit = min(data_retry_limit, rts_retry_limit);
 
 	tx_cmd->rate = rate;
 	tx_cmd->tx_flags = tx_flags;
···
 	for (i = 0; i < ARRAY_SIZE(il3945_rates); i++) {
 		idx = il3945_rates[i].table_rs_idx;
 
-		table[idx].rate_n_flags =
-		    il3945_hw_set_rate_n_flags(il3945_rates[i].plcp, 0);
+		table[idx].rate_n_flags = cpu_to_le16(il3945_rates[i].plcp);
 		table[idx].try_cnt = il->retry_rate;
 		prev_idx = il3945_get_prev_ieee_rate(i);
 		table[idx].next_rate_idx = il3945_rates[prev_idx].table_rs_idx;

drivers/net/wireless/iwlegacy/3945.h

···
 					     u8 rate);
 void il3945_hw_build_tx_cmd_rate(struct il_priv *il, struct il_device_cmd *cmd,
 				 struct ieee80211_tx_info *info,
-				 struct ieee80211_hdr *hdr, int sta_id,
-				 int tx_id);
+				 struct ieee80211_hdr *hdr, int sta_id);
 extern int il3945_hw_reg_send_txpower(struct il_priv *il);
 extern int il3945_hw_reg_set_txpower(struct il_priv *il, s8 power);
 extern void il3945_hdl_stats(struct il_priv *il, struct il_rx_buf *rxb);
···
 struct il3945_shared {
 	__le32 tx_base_ptr[8];
 } __packed;
-
-static inline u8
-il3945_hw_get_rate(__le16 rate_n_flags)
-{
-	return le16_to_cpu(rate_n_flags) & 0xFF;
-}
-
-static inline u16
-il3945_hw_get_rate_n_flags(__le16 rate_n_flags)
-{
-	return le16_to_cpu(rate_n_flags);
-}
-
-static inline __le16
-il3945_hw_set_rate_n_flags(u8 rate, u16 flags)
-{
-	return cpu_to_le16((u16) rate | flags);
-}
 
 /************************************/
 /* iwl3945 Flow Handler Definitions */

drivers/net/wireless/iwlegacy/4965-mac.c

···
 	return added;
 }
 
-static inline u32
-il4965_ant_idx_to_flags(u8 ant_idx)
+static void
+il4965_toggle_tx_ant(struct il_priv *il, u8 *ant, u8 valid)
 {
-	return BIT(ant_idx) << RATE_MCS_ANT_POS;
+	int i;
+	u8 ind = *ant;
+
+	for (i = 0; i < RATE_ANT_NUM - 1; i++) {
+		ind = (ind + 1) < RATE_ANT_NUM ? ind + 1 : 0;
+		if (valid & BIT(ind)) {
+			*ant = ind;
+			return;
+		}
+	}
 }
 
 int
···
 	if (il->cfg->scan_rx_antennas[band])
 		rx_ant = il->cfg->scan_rx_antennas[band];
 
-	il->scan_tx_ant[band] =
-	    il4965_toggle_tx_ant(il, il->scan_tx_ant[band], scan_tx_antennas);
-	rate_flags |= il4965_ant_idx_to_flags(il->scan_tx_ant[band]);
-	scan->tx_cmd.rate_n_flags =
-	    il4965_hw_set_rate_n_flags(rate, rate_flags);
+	il4965_toggle_tx_ant(il, &il->scan_tx_ant[band], scan_tx_antennas);
+	rate_flags |= BIT(il->scan_tx_ant[band]) << RATE_MCS_ANT_POS;
+	scan->tx_cmd.rate_n_flags = cpu_to_le32(rate | rate_flags);
 
 	/* In power save mode use one chain, otherwise use all chains */
 	if (test_bit(S_POWER_PMI, &il->status)) {
···
 
 	WARN_ON(active_rx_cnt == 0 || idle_rx_cnt == 0 ||
 		active_rx_cnt < idle_rx_cnt);
-}
-
-u8
-il4965_toggle_tx_ant(struct il_priv *il, u8 ant, u8 valid)
-{
-	int i;
-	u8 ind = ant;
-
-	for (i = 0; i < RATE_ANT_NUM - 1; i++) {
-		ind = (ind + 1) < RATE_ANT_NUM ? ind + 1 : 0;
-		if (valid & BIT(ind))
-			return ind;
-	}
-	return ant;
 }
 
 static const char *
···
 	tx_cmd->next_frame_len = 0;
 }
 
-#define RTS_DFAULT_RETRY_LIMIT		60
-
 static void
 il4965_tx_cmd_build_rate(struct il_priv *il, struct il_tx_cmd *tx_cmd,
 			 struct ieee80211_tx_info *info, __le16 fc)
 {
+	const u8 rts_retry_limit = 60;
 	u32 rate_flags;
 	int rate_idx;
-	u8 rts_retry_limit;
 	u8 data_retry_limit;
 	u8 rate_plcp;
 
···
 	else
 		data_retry_limit = IL4965_DEFAULT_TX_RETRY;
 	tx_cmd->data_retry_limit = data_retry_limit;
-
 	/* Set retry limit on RTS packets */
-	rts_retry_limit = RTS_DFAULT_RETRY_LIMIT;
-	if (data_retry_limit < rts_retry_limit)
-		rts_retry_limit = data_retry_limit;
-	tx_cmd->rts_retry_limit = rts_retry_limit;
+	tx_cmd->rts_retry_limit = min(data_retry_limit, rts_retry_limit);
 
 	/* DATA packets will use the uCode station table for rate/antenna
 	 * selection */
···
 		rate_flags |= RATE_MCS_CCK_MSK;
 
 	/* Set up antennas */
-	il->mgmt_tx_ant =
-	    il4965_toggle_tx_ant(il, il->mgmt_tx_ant,
-				 il->hw_params.valid_tx_ant);
-
-	rate_flags |= il4965_ant_idx_to_flags(il->mgmt_tx_ant);
+	il4965_toggle_tx_ant(il, &il->mgmt_tx_ant, il->hw_params.valid_tx_ant);
+	rate_flags |= BIT(il->mgmt_tx_ant) << RATE_MCS_ANT_POS;
 
 	/* Set the rate in the TX cmd */
-	tx_cmd->rate_n_flags =
-	    il4965_hw_set_rate_n_flags(rate_plcp, rate_flags);
+	tx_cmd->rate_n_flags = cpu_to_le32(rate_plcp | rate_flags);
 }
 
 static void
···
 	rate_flags |=
 	    il4965_first_antenna(il->hw_params.
 				 valid_tx_ant) << RATE_MCS_ANT_POS;
-	rate_n_flags = il4965_hw_set_rate_n_flags(il_rates[r].plcp, rate_flags);
+	rate_n_flags = cpu_to_le32(il_rates[r].plcp | rate_flags);
 	for (i = 0; i < LINK_QUAL_MAX_RETRY_NUM; i++)
 		link_cmd->rs_table[i].rate_n_flags = rate_n_flags;
 
···
 
 	/* Set up packet rate and flags */
 	rate = il_get_lowest_plcp(il, il->beacon_ctx);
-	il->mgmt_tx_ant =
-	    il4965_toggle_tx_ant(il, il->mgmt_tx_ant,
-				 il->hw_params.valid_tx_ant);
-	rate_flags = il4965_ant_idx_to_flags(il->mgmt_tx_ant);
+	il4965_toggle_tx_ant(il, &il->mgmt_tx_ant, il->hw_params.valid_tx_ant);
+	rate_flags = BIT(il->mgmt_tx_ant) << RATE_MCS_ANT_POS;
 	if ((rate >= IL_FIRST_CCK_RATE) && (rate <= IL_LAST_CCK_RATE))
 		rate_flags |= RATE_MCS_CCK_MSK;
-	tx_beacon_cmd->tx.rate_n_flags =
-	    il4965_hw_set_rate_n_flags(rate, rate_flags);
+	tx_beacon_cmd->tx.rate_n_flags = cpu_to_le32(rate | rate_flags);
 
 	return sizeof(*tx_beacon_cmd) + frame_size;
 }
···
 #ifdef CONFIG_IWLEGACY_DEBUG
 	u8 rate = il4965_hw_get_rate(beacon->beacon_notify_hdr.rate_n_flags);
 
-	D_RX("beacon status %x retries %d iss %d " "tsf %d %d rate %d\n",
+	D_RX("beacon status %x retries %d iss %d tsf:0x%.8x%.8x rate %d\n",
 	     le32_to_cpu(beacon->beacon_notify_hdr.u.status) & TX_STATUS_MSK,
 	     beacon->beacon_notify_hdr.failure_frame,
 	     le32_to_cpu(beacon->ibss_mgr_status),
 	     le32_to_cpu(beacon->high_tsf), le32_to_cpu(beacon->low_tsf), rate);
 #endif
-
 	il->ibss_manager = le32_to_cpu(beacon->ibss_mgr_status);
 }
 

drivers/net/wireless/iwlegacy/4965.c

···
 	spin_unlock_irqrestore(&il->sta_lock, flags);
 }
 
-static void
-il4965_hdl_beacon(struct il_priv *il, struct il_rx_buf *rxb)
-{
-	struct il_rx_pkt *pkt = rxb_addr(rxb);
-	struct il4965_beacon_notif *beacon = (void *)pkt->u.raw;
-	u8 rate __maybe_unused =
-	    il4965_hw_get_rate(beacon->beacon_notify_hdr.rate_n_flags);
-
-	D_RX("beacon status %#x, retries:%d ibssmgr:%d "
-	     "tsf:0x%.8x%.8x rate:%d\n",
-	     le32_to_cpu(beacon->beacon_notify_hdr.u.status) & TX_STATUS_MSK,
-	     beacon->beacon_notify_hdr.failure_frame,
-	     le32_to_cpu(beacon->ibss_mgr_status),
-	     le32_to_cpu(beacon->high_tsf), le32_to_cpu(beacon->low_tsf), rate);
-
-	il->ibss_manager = le32_to_cpu(beacon->ibss_mgr_status);
-}
-
 /* Set up 4965-specific Rx frame reply handlers */
 static void
 il4965_handler_setup(struct il_priv *il)
···
 	il->handlers[N_RX] = il4965_hdl_rx;
 	/* Tx response */
 	il->handlers[C_TX] = il4965_hdl_tx;
-	il->handlers[N_BEACON] = il4965_hdl_beacon;
 }
 
 static struct il_hcmd_ops il4965_hcmd = {

drivers/net/wireless/iwlegacy/4965.h

···
 void il4965_tx_queue_set_status(struct il_priv *il, struct il_tx_queue *txq,
 				int tx_fifo_id, int scd_retry);
 
-u8 il4965_toggle_tx_ant(struct il_priv *il, u8 ant_idx, u8 valid);
-
 /* rx */
 void il4965_hdl_missed_beacon(struct il_priv *il, struct il_rx_buf *rxb);
 bool il4965_good_plcp_health(struct il_priv *il, struct il_rx_pkt *pkt);
···
 il4965_hw_get_rate(__le32 rate_n_flags)
 {
 	return le32_to_cpu(rate_n_flags) & 0xFF;
-}
-
-static inline __le32
-il4965_hw_set_rate_n_flags(u8 rate, u32 flags)
-{
-	return cpu_to_le32(flags | (u32) rate);
 }
 
 /* eeprom */

drivers/net/wireless/iwlegacy/common.c

···
 
 #include "common.h"
 
+int
+_il_poll_bit(struct il_priv *il, u32 addr, u32 bits, u32 mask, int timeout)
+{
+	const int interval = 10; /* microseconds */
+	int t = 0;
+
+	do {
+		if ((_il_rd(il, addr) & mask) == (bits & mask))
+			return t;
+		udelay(interval);
+		t += interval;
+	} while (t < timeout);
+
+	return -ETIMEDOUT;
+}
+EXPORT_SYMBOL(_il_poll_bit);
+
+void
+il_set_bit(struct il_priv *p, u32 r, u32 m)
+{
+	unsigned long reg_flags;
+
+	spin_lock_irqsave(&p->reg_lock, reg_flags);
+	_il_set_bit(p, r, m);
+	spin_unlock_irqrestore(&p->reg_lock, reg_flags);
+}
+EXPORT_SYMBOL(il_set_bit);
+
+void
+il_clear_bit(struct il_priv *p, u32 r, u32 m)
+{
+	unsigned long reg_flags;
+
+	spin_lock_irqsave(&p->reg_lock, reg_flags);
+	_il_clear_bit(p, r, m);
+	spin_unlock_irqrestore(&p->reg_lock, reg_flags);
+}
+EXPORT_SYMBOL(il_clear_bit);
+
+int
+_il_grab_nic_access(struct il_priv *il)
+{
+	int ret;
+	u32 val;
+
+	/* this bit wakes up the NIC */
+	_il_set_bit(il, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
+
+	/*
+	 * These bits say the device is running, and should keep running for
+	 * at least a short while (at least as long as MAC_ACCESS_REQ stays 1),
+	 * but they do not indicate that embedded SRAM is restored yet;
+	 * 3945 and 4965 have volatile SRAM, and must save/restore contents
+	 * to/from host DRAM when sleeping/waking for power-saving.
+	 * Each direction takes approximately 1/4 millisecond; with this
+	 * overhead, it's a good idea to grab and hold MAC_ACCESS_REQUEST if a
+	 * series of register accesses are expected (e.g. reading Event Log),
+	 * to keep device from sleeping.
+	 *
+	 * CSR_UCODE_DRV_GP1 register bit MAC_SLEEP == 0 indicates that
+	 * SRAM is okay/restored.  We don't check that here because this call
+	 * is just for hardware register access; but GP1 MAC_SLEEP check is a
+	 * good idea before accessing 3945/4965 SRAM (e.g. reading Event Log).
+	 *
+	 */
+	ret =
+	    _il_poll_bit(il, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_VAL_MAC_ACCESS_EN,
+			 (CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY |
+			  CSR_GP_CNTRL_REG_FLAG_GOING_TO_SLEEP), 15000);
+	if (ret < 0) {
+		val = _il_rd(il, CSR_GP_CNTRL);
+		IL_ERR("MAC is in deep sleep!.  CSR_GP_CNTRL = 0x%08X\n", val);
+		_il_wr(il, CSR_RESET, CSR_RESET_REG_FLAG_FORCE_NMI);
+		return -EIO;
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(_il_grab_nic_access);
+
+int
+il_poll_bit(struct il_priv *il, u32 addr, u32 mask, int timeout)
+{
+	const int interval = 10; /* microseconds */
+	int t = 0;
+
+	do {
+		if ((il_rd(il, addr) & mask) == mask)
+			return t;
+		udelay(interval);
+		t += interval;
+	} while (t < timeout);
+
+	return -ETIMEDOUT;
+}
+EXPORT_SYMBOL(il_poll_bit);
+
+u32
+il_rd_prph(struct il_priv *il, u32 reg)
+{
+	unsigned long reg_flags;
+	u32 val;
+
+	spin_lock_irqsave(&il->reg_lock, reg_flags);
+	_il_grab_nic_access(il);
+	val = _il_rd_prph(il, reg);
+	_il_release_nic_access(il);
+	spin_unlock_irqrestore(&il->reg_lock, reg_flags);
+	return val;
+}
+EXPORT_SYMBOL(il_rd_prph);
+
+void
+il_wr_prph(struct il_priv *il, u32 addr, u32 val)
+{
+	unsigned long reg_flags;
+
+	spin_lock_irqsave(&il->reg_lock, reg_flags);
+	if (!_il_grab_nic_access(il)) {
+		_il_wr_prph(il, addr, val);
+		_il_release_nic_access(il);
+	}
+	spin_unlock_irqrestore(&il->reg_lock, reg_flags);
+}
+EXPORT_SYMBOL(il_wr_prph);
+
+u32
+il_read_targ_mem(struct il_priv *il, u32 addr)
+{
+	unsigned long reg_flags;
+	u32 value;
+
+	spin_lock_irqsave(&il->reg_lock, reg_flags);
+	_il_grab_nic_access(il);
+
+	_il_wr(il, HBUS_TARG_MEM_RADDR, addr);
+	rmb();
+	value = _il_rd(il, HBUS_TARG_MEM_RDAT);
+
+	_il_release_nic_access(il);
+	spin_unlock_irqrestore(&il->reg_lock, reg_flags);
+	return value;
+}
+EXPORT_SYMBOL(il_read_targ_mem);
+
+void
+il_write_targ_mem(struct il_priv *il, u32 addr, u32 val)
+{
+	unsigned long reg_flags;
+
+	spin_lock_irqsave(&il->reg_lock, reg_flags);
+	if (!_il_grab_nic_access(il)) {
+		_il_wr(il, HBUS_TARG_MEM_WADDR, addr);
+		wmb();
+		_il_wr(il, HBUS_TARG_MEM_WDAT, val);
+		_il_release_nic_access(il);
+	}
+	spin_unlock_irqrestore(&il->reg_lock, reg_flags);
+}
+EXPORT_SYMBOL(il_write_targ_mem);
+
 const char *
 il_get_cmd_string(u8 cmd)
 {

drivers/net/wireless/iwlegacy/common.h

···
 #include <linux/kernel.h>
 #include <linux/leds.h>
 #include <linux/wait.h>
+#include <linux/io.h>
 #include <net/mac80211.h>
 #include <net/ieee80211_radiotap.h>
 
···
 
 irqreturn_t il_isr(int irq, void *data);
 
-#include <linux/io.h>
+extern void il_set_bit(struct il_priv *p, u32 r, u32 m);
+extern void il_clear_bit(struct il_priv *p, u32 r, u32 m);
+extern int _il_grab_nic_access(struct il_priv *il);
+extern int _il_poll_bit(struct il_priv *il, u32 addr, u32 bits, u32 mask, int timeout);
+extern int il_poll_bit(struct il_priv *il, u32 addr, u32 mask, int timeout);
+extern u32 il_rd_prph(struct il_priv *il, u32 reg);
+extern void il_wr_prph(struct il_priv *il, u32 addr, u32 val);
+extern u32 il_read_targ_mem(struct il_priv *il, u32 addr);
+extern void il_write_targ_mem(struct il_priv *il, u32 addr, u32 val);
 
 static inline void
 _il_write8(struct il_priv *il, u32 ofs, u8 val)
···
 	return ioread32(il->hw_base + ofs);
 }
 
-#define IL_POLL_INTERVAL 10	/* microseconds */
-static inline int
-_il_poll_bit(struct il_priv *il, u32 addr, u32 bits, u32 mask, int timeout)
-{
-	int t = 0;
-
-	do {
-		if ((_il_rd(il, addr) & mask) == (bits & mask))
-			return t;
-		udelay(IL_POLL_INTERVAL);
-		t += IL_POLL_INTERVAL;
-	} while (t < timeout);
-
-	return -ETIMEDOUT;
-}
-
-static inline void
-_il_set_bit(struct il_priv *il, u32 reg, u32 mask)
-{
-	_il_wr(il, reg, _il_rd(il, reg) | mask);
-}
-
-static inline void
-il_set_bit(struct il_priv *p, u32 r, u32 m)
-{
-	unsigned long reg_flags;
-
-	spin_lock_irqsave(&p->reg_lock, reg_flags);
-	_il_set_bit(p, r, m);
-	spin_unlock_irqrestore(&p->reg_lock, reg_flags);
-}
-
 static inline void
 _il_clear_bit(struct il_priv *il, u32 reg, u32 mask)
 {
···
 }
 
 static inline void
-il_clear_bit(struct il_priv *p, u32 r, u32 m)
+_il_set_bit(struct il_priv *il, u32 reg, u32 mask)
 {
-	unsigned long reg_flags;
-
-	spin_lock_irqsave(&p->reg_lock, reg_flags);
-	_il_clear_bit(p, r, m);
-	spin_unlock_irqrestore(&p->reg_lock, reg_flags);
-}
-
-static inline int
-_il_grab_nic_access(struct il_priv *il)
-{
-	int ret;
-	u32 val;
-
-	/* this bit wakes up the NIC */
-	_il_set_bit(il, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
-
-	/*
-	 * These bits say the device is running, and should keep running for
-	 * at least a short while (at least as long as MAC_ACCESS_REQ stays 1),
-	 * but they do not indicate that embedded SRAM is restored yet;
-	 * 3945 and 4965 have volatile SRAM, and must save/restore contents
-	 * to/from host DRAM when sleeping/waking for power-saving.
-	 * Each direction takes approximately 1/4 millisecond; with this
-	 * overhead, it's a good idea to grab and hold MAC_ACCESS_REQUEST if a
-	 * series of register accesses are expected (e.g. reading Event Log),
-	 * to keep device from sleeping.
-	 *
-	 * CSR_UCODE_DRV_GP1 register bit MAC_SLEEP == 0 indicates that
-	 * SRAM is okay/restored.  We don't check that here because this call
-	 * is just for hardware register access; but GP1 MAC_SLEEP check is a
-	 * good idea before accessing 3945/4965 SRAM (e.g. reading Event Log).
-	 *
-	 */
-	ret =
-	    _il_poll_bit(il, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_VAL_MAC_ACCESS_EN,
-			 (CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY |
-			  CSR_GP_CNTRL_REG_FLAG_GOING_TO_SLEEP), 15000);
-	if (ret < 0) {
-		val = _il_rd(il, CSR_GP_CNTRL);
-		IL_ERR("MAC is in deep sleep!.  CSR_GP_CNTRL = 0x%08X\n", val);
-		_il_wr(il, CSR_RESET, CSR_RESET_REG_FLAG_FORCE_NMI);
-		return -EIO;
-	}
-
-	return 0;
+	_il_wr(il, reg, _il_rd(il, reg) | mask);
 }
 
 static inline void
···
 	_il_release_nic_access(il);
 	spin_unlock_irqrestore(&il->reg_lock, reg_flags);
 	return value;
-
 }
 
 static inline void
···
 	spin_unlock_irqrestore(&il->reg_lock, reg_flags);
 }
 
-static inline void
-il_write_reg_buf(struct il_priv *il, u32 reg, u32 len, u32 * values)
-{
-	u32 count = sizeof(u32);
-
-	if (il != NULL && values != NULL) {
-		for (; 0 < len; len -= count, reg += count, values++)
-			il_wr(il, reg, *values);
-	}
-}
-
-static inline int
-il_poll_bit(struct il_priv *il, u32 addr, u32 mask, int timeout)
-{
-	int t = 0;
-
-	do {
-		if ((il_rd(il, addr) & mask) == mask)
-			return t;
-		udelay(IL_POLL_INTERVAL);
-		t += IL_POLL_INTERVAL;
-	} while (t < timeout);
-
-	return -ETIMEDOUT;
-}
-
 static inline u32
 _il_rd_prph(struct il_priv *il, u32 reg)
 {
 	_il_wr(il, HBUS_TARG_PRPH_RADDR, reg | (3 << 24));
 	rmb();
 	return _il_rd(il, HBUS_TARG_PRPH_RDAT);
-}
-
-static inline u32
-il_rd_prph(struct il_priv *il, u32 reg)
-{
-	unsigned long reg_flags;
-	u32 val;
-
-	spin_lock_irqsave(&il->reg_lock, reg_flags);
-	_il_grab_nic_access(il);
-	val = _il_rd_prph(il, reg);
-	_il_release_nic_access(il);
-	spin_unlock_irqrestore(&il->reg_lock, reg_flags);
-	return val;
 }
 
 static inline void
···
 }
 
 static inline void
-il_wr_prph(struct il_priv *il, u32 addr, u32 val)
-{
-	unsigned long reg_flags;
-
-	spin_lock_irqsave(&il->reg_lock, reg_flags);
-	if (!_il_grab_nic_access(il)) {
-		_il_wr_prph(il, addr, val);
-		_il_release_nic_access(il);
-	}
-	spin_unlock_irqrestore(&il->reg_lock, reg_flags);
-}
-
-#define _il_set_bits_prph(il, reg, mask) \
-_il_wr_prph(il, reg, (_il_rd_prph(il, reg) | mask))
-
-static inline void
 il_set_bits_prph(struct il_priv *il, u32 reg, u32 mask)
 {
 	unsigned long reg_flags;
 
 	spin_lock_irqsave(&il->reg_lock, reg_flags);
 	_il_grab_nic_access(il);
-	_il_set_bits_prph(il, reg, mask);
+	_il_wr_prph(il, reg, (_il_rd_prph(il, reg) | mask));
 	_il_release_nic_access(il);
 	spin_unlock_irqrestore(&il->reg_lock, reg_flags);
 }
-
-#define _il_set_bits_mask_prph(il, reg, bits, mask) \
-_il_wr_prph(il, reg,				\
-		 ((_il_rd_prph(il, reg) & mask) | bits))
 
 static inline void
 il_set_bits_mask_prph(struct il_priv *il, u32 reg, u32 bits, u32 mask)
···
 
 	spin_lock_irqsave(&il->reg_lock, reg_flags);
 	_il_grab_nic_access(il);
-	_il_set_bits_mask_prph(il, reg, bits, mask);
+	_il_wr_prph(il, reg, ((_il_rd_prph(il, reg) & mask) | bits));
 	_il_release_nic_access(il);
 	spin_unlock_irqrestore(&il->reg_lock, reg_flags);
 }
···
 	val = _il_rd_prph(il, reg);
 	_il_wr_prph(il, reg, (val & ~mask));
 	_il_release_nic_access(il);
-	spin_unlock_irqrestore(&il->reg_lock, reg_flags);
-}
-
-static inline u32
-il_read_targ_mem(struct il_priv *il, u32 addr)
-{
-	unsigned long reg_flags;
-	u32 value;
-
-	spin_lock_irqsave(&il->reg_lock, reg_flags);
-	_il_grab_nic_access(il);
-
-	_il_wr(il, HBUS_TARG_MEM_RADDR, addr);
-	rmb();
-	value = _il_rd(il, HBUS_TARG_MEM_RDAT);
-
-	_il_release_nic_access(il);
-	spin_unlock_irqrestore(&il->reg_lock, reg_flags);
-	return value;
-}
-
-static inline void
-il_write_targ_mem(struct il_priv *il, u32 addr, u32 val)
-{
-	unsigned long reg_flags;
-
-	spin_lock_irqsave(&il->reg_lock, reg_flags);
-	if (!_il_grab_nic_access(il)) {
-		_il_wr(il, HBUS_TARG_MEM_WADDR, addr);
-		wmb();
-		_il_wr(il, HBUS_TARG_MEM_WDAT, val);
-		_il_release_nic_access(il);
-	}
-	spin_unlock_irqrestore(&il->reg_lock, reg_flags);
-}
-
-static inline void
-il_write_targ_mem_buf(struct il_priv *il, u32 addr, u32 len, u32 * values)
-{
-	unsigned long reg_flags;
-
-	spin_lock_irqsave(&il->reg_lock, reg_flags);
-	if (!_il_grab_nic_access(il)) {
-		_il_wr(il, HBUS_TARG_MEM_WADDR, addr);
-		wmb();
-		for (; 0 < len; len -= sizeof(u32), values++)
-			_il_wr(il, HBUS_TARG_MEM_WDAT, *values);
-
-		_il_release_nic_access(il);
-	}
 	spin_unlock_irqrestore(&il->reg_lock, reg_flags);
 }
 

drivers/net/wireless/iwlegacy/iwl-sta.c

···
-/******************************************************************************
- *
- * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved.
- *
- * Portions of this file are derived from the ipw3945 project, as well
- * as portions of the ieee80211 subsystem header files.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
- *
- * The full GNU General Public License is included in this distribution in the
- * file called LICENSE.
- *
- * Contact Information:
- *  Intel Linux Wireless <[e-mail]>
- * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
- *
- *****************************************************************************/
-
-#include <net/mac80211.h>
-#include <linux/etherdevice.h>
-#include <linux/sched.h>
-#include <linux/lockdep.h>
-#include <linux/export.h>
-
-#include "iwl-dev.h"
-#include "iwl-core.h"
-#include "iwl-sta.h"
-
-/* il->sta_lock must be held */
-static void il_sta_ucode_activate(struct il_priv *il, u8 sta_id)
-{
-
-	if (!(il->stations[sta_id].used & IL_STA_DRIVER_ACTIVE))
-		IL_ERR(
-			"ACTIVATE a non DRIVER active station id %u addr %pM\n",
-			sta_id, il->stations[sta_id].sta.sta.addr);
-
-	if (il->stations[sta_id].used & IL_STA_UCODE_ACTIVE) {
-		D_ASSOC(
-			"STA id %u addr %pM already present"
-			" in uCode (according to driver)\n",
-			sta_id, il->stations[sta_id].sta.sta.addr);
-	} else {
-		il->stations[sta_id].used |= IL_STA_UCODE_ACTIVE;
-		D_ASSOC("Added STA id %u addr %pM to uCode\n",
-				sta_id, il->stations[sta_id].sta.sta.addr);
-	}
-}
-
-static int il_process_add_sta_resp(struct il_priv *il,
-				    struct il_addsta_cmd *addsta,
-				    struct il_rx_pkt *pkt,
-				    bool sync)
-{
-	u8 sta_id = addsta->sta.sta_id;
-	unsigned long flags;
-	int ret = -EIO;
-
-	if (pkt->hdr.flags & IL_CMD_FAILED_MSK) {
-		IL_ERR("Bad return from C_ADD_STA (0x%08X)\n",
-			pkt->hdr.flags);
-		return ret;
-	}
-
-	D_INFO("Processing response for adding station %u\n",
-		       sta_id);
-
-	spin_lock_irqsave(&il->sta_lock, flags);
-
-	switch (pkt->u.add_sta.status) {
-	case ADD_STA_SUCCESS_MSK:
-		D_INFO("C_ADD_STA PASSED\n");
-		il_sta_ucode_activate(il, sta_id);
-		ret = 0;
-		break;
-	case ADD_STA_NO_ROOM_IN_TBL:
-		IL_ERR("Adding station %d failed, no room in table.\n",
-			sta_id);
-		break;
-	case ADD_STA_NO_BLOCK_ACK_RESOURCE:
-		IL_ERR(
-			"Adding station %d failed, no block ack resource.\n",
-			sta_id);
-		break;
-	case ADD_STA_MODIFY_NON_EXIST_STA:
-		IL_ERR("Attempting to modify non-existing station %d\n",
-			sta_id);
-		break;
-	default:
-		D_ASSOC("Received C_ADD_STA:(0x%08X)\n",
-				pkt->u.add_sta.status);
-		break;
-	}
-
-	D_INFO("%s station id %u addr %pM\n",
-		       il->stations[sta_id].sta.mode ==
-		       STA_CONTROL_MODIFY_MSK ?  "Modified" : "Added",
-		       sta_id, il->stations[sta_id].sta.sta.addr);
-
-	/*
-	 * XXX: The MAC address in the command buffer is often changed from
-	 * the original sent to the device. That is, the MAC address
-	 * written to the command buffer often is not the same MAC address
-	 * read from the command buffer when the command returns. This
-	 * issue has not yet been resolved and this debugging is left to
-	 * observe the problem.
-	 */
-	D_INFO("%s station according to cmd buffer %pM\n",
-		       il->stations[sta_id].sta.mode ==
-		       STA_CONTROL_MODIFY_MSK ? "Modified" : "Added",
-		       addsta->sta.addr);
-	spin_unlock_irqrestore(&il->sta_lock, flags);
-
-	return ret;
-}
-
-static void il_add_sta_callback(struct il_priv *il,
-				 struct il_device_cmd *cmd,
-				 struct il_rx_pkt *pkt)
-{
-	struct il_addsta_cmd *addsta =
-		(struct il_addsta_cmd *)cmd->cmd.payload;
-
-	il_process_add_sta_resp(il, addsta, pkt, false);
-
-}
-
-int il_send_add_sta(struct il_priv *il,
-		     struct il_addsta_cmd *sta, u8 flags)
-{
-	struct il_rx_pkt *pkt = NULL;
-	int ret = 0;
-	u8 data[sizeof(*sta)];
-	struct il_host_cmd cmd = {
-		.id = C_ADD_STA,
-		.flags = flags,
-		.data = data,
-	};
-	u8 sta_id __maybe_unused = sta->sta.sta_id;
-
-	D_INFO("Adding sta %u (%pM) %ssynchronously\n",
-		       sta_id, sta->sta.addr, flags & CMD_ASYNC ?  "a" : "");
-
-	if (flags & CMD_ASYNC)
-		cmd.callback = il_add_sta_callback;
-	else {
-		cmd.flags |= CMD_WANT_SKB;
-		might_sleep();
-	}
-
-	cmd.len = il->cfg->ops->utils->build_addsta_hcmd(sta, data);
-	ret = il_send_cmd(il, &cmd);
-
-	if (ret || (flags & CMD_ASYNC))
-		return ret;
-
-	if (ret == 0) {
-		pkt = (struct il_rx_pkt *)cmd.reply_page;
-		ret = il_process_add_sta_resp(il, sta, pkt, true);
-	}
-	il_free_pages(il, cmd.reply_page);
-
-	return ret;
-}
-EXPORT_SYMBOL(il_send_add_sta);
-
-static void il_set_ht_add_station(struct il_priv *il, u8 idx,
-				   struct ieee80211_sta *sta,
-				   struct il_rxon_context *ctx)
-{
-	struct ieee80211_sta_ht_cap *sta_ht_inf = &sta->ht_cap;
-	__le32 sta_flags;
-	u8 mimo_ps_mode;
-
-	if (!sta || !sta_ht_inf->ht_supported)
-		goto done;
-
-	mimo_ps_mode = (sta_ht_inf->cap & IEEE80211_HT_CAP_SM_PS) >> 2;
-	D_ASSOC("spatial multiplexing power save mode: %s\n",
-			(mimo_ps_mode == WLAN_HT_CAP_SM_PS_STATIC) ?
-			"static" :
-			(mimo_ps_mode == WLAN_HT_CAP_SM_PS_DYNAMIC) ?
-			"dynamic" : "disabled");
-
-	sta_flags = il->stations[idx].sta.station_flags;
-
-	sta_flags &= ~(STA_FLG_RTS_MIMO_PROT_MSK | STA_FLG_MIMO_DIS_MSK);
-
-	switch (mimo_ps_mode) {
-	case WLAN_HT_CAP_SM_PS_STATIC:
-		sta_flags |= STA_FLG_MIMO_DIS_MSK;
-		break;
-	case WLAN_HT_CAP_SM_PS_DYNAMIC:
-		sta_flags |= STA_FLG_RTS_MIMO_PROT_MSK;
-		break;
-	case WLAN_HT_CAP_SM_PS_DISABLED:
-		break;
-	default:
-		IL_WARN("Invalid MIMO PS mode %d\n", mimo_ps_mode);
-		break;
-	}
-
-	sta_flags |= cpu_to_le32(
-	      (u32)sta_ht_inf->ampdu_factor << STA_FLG_MAX_AGG_SIZE_POS);
-
-	sta_flags |= cpu_to_le32(
-	      (u32)sta_ht_inf->ampdu_density << STA_FLG_AGG_MPDU_DENSITY_POS);
-
-	if (il_is_ht40_tx_allowed(il, ctx, &sta->ht_cap))
-		sta_flags |= STA_FLG_HT40_EN_MSK;
-	else
-		sta_flags &= ~STA_FLG_HT40_EN_MSK;
-
-	il->stations[idx].sta.station_flags = sta_flags;
- done:
-	return;
-}
-
-/**
- * il_prep_station - Prepare station information for addition
- *
- * should be called with sta_lock held
- */
-u8 il_prep_station(struct il_priv *il, struct il_rxon_context *ctx,
-		    const u8 *addr, bool is_ap, struct ieee80211_sta *sta)
-{
-	struct il_station_entry *station;
-	int i;
-	u8 sta_id = IL_INVALID_STATION;
-	u16 rate;
-
-	if (is_ap)
-		sta_id = ctx->ap_sta_id;
-	else if (is_broadcast_ether_addr(addr))
-		sta_id = ctx->bcast_sta_id;
-	else
-		for (i = IL_STA_ID; i < il->hw_params.max_stations; i++) {
-			if (!compare_ether_addr(il->stations[i].sta.sta.addr,
-						addr)) {
-				sta_id = i;
-				break;
-			}
-
-			if (!il->stations[i].used &&
-			    sta_id == IL_INVALID_STATION)
-				sta_id = i;
-		}
-
-	/*
-	 * These two conditions have the same outcome, but keep them
-	 * separate
-	 */
-	if (unlikely(sta_id == IL_INVALID_STATION))
-		return sta_id;
-
-	/*
-	 * uCode is not able to deal with multiple requests to add a
-	 * station. Keep track if one is in progress so that we do not send
-	 * another.
-	 */
-	if (il->stations[sta_id].used & IL_STA_UCODE_INPROGRESS) {
-		D_INFO(
-				"STA %d already in process of being added.\n",
-				sta_id);
-		return sta_id;
-	}
-
-	if ((il->stations[sta_id].used & IL_STA_DRIVER_ACTIVE) &&
-	    (il->stations[sta_id].used & IL_STA_UCODE_ACTIVE) &&
-	    !compare_ether_addr(il->stations[sta_id].sta.sta.addr, addr)) {
-		D_ASSOC(
-				"STA %d (%pM) already added, not adding again.\n",
-				sta_id, addr);
-		return sta_id;
-	}
-
-	station = &il->stations[sta_id];
-	station->used = IL_STA_DRIVER_ACTIVE;
-	D_ASSOC("Add STA to driver ID %d: %pM\n",
-			sta_id, addr);
-	il->num_stations++;
-
-	/* Set up the C_ADD_STA command to send to device */
-	memset(&station->sta, 0, sizeof(struct il_addsta_cmd));
-	memcpy(station->sta.sta.addr, addr, ETH_ALEN);
-	station->sta.mode = 0;
-	station->sta.sta.sta_id = sta_id;
-	station->sta.station_flags = ctx->station_flags;
-	station->ctxid = ctx->ctxid;
-
-	if (sta) {
-		struct il_station_priv_common *sta_priv;
-
-		sta_priv = (void *)sta->drv_priv;
-		sta_priv->ctx = ctx;
-	}
-
-	/*
-	 * OK to call unconditionally, since local stations (IBSS BSSID
-	 * STA and broadcast STA) pass in a NULL sta, and mac80211
-	 * doesn't allow HT IBSS.
-	 */
-	il_set_ht_add_station(il, sta_id, sta, ctx);
-
-	/* 3945 only */
-	rate = (il->band == IEEE80211_BAND_5GHZ) ?
-		RATE_6M_PLCP : RATE_1M_PLCP;
-	/* Turn on both antennas for the station... */
-	station->sta.rate_n_flags = cpu_to_le16(rate | RATE_MCS_ANT_AB_MSK);
-
-	return sta_id;
-
-}
-EXPORT_SYMBOL_GPL(il_prep_station);
-
-#define STA_WAIT_TIMEOUT (HZ/2)
-
-/**
- * il_add_station_common -
- */
-int
-il_add_station_common(struct il_priv *il,
-			struct il_rxon_context *ctx,
-			   const u8 *addr, bool is_ap,
-			   struct ieee80211_sta *sta, u8 *sta_id_r)
-{
-	unsigned long flags_spin;
-	int ret = 0;
-	u8 sta_id;
-	struct il_addsta_cmd sta_cmd;
-
-	*sta_id_r = 0;
-	spin_lock_irqsave(&il->sta_lock, flags_spin);
-	sta_id = il_prep_station(il, ctx, addr, is_ap, sta);
-	if (sta_id == IL_INVALID_STATION) {
-		IL_ERR("Unable to prepare station %pM for addition\n",
-			addr);
-		spin_unlock_irqrestore(&il->sta_lock, flags_spin);
-		return -EINVAL;
-	}
-
-	/*
-	 * uCode is not able to deal with multiple requests to add a
-	 * station. Keep track if one is in progress so that we do not send
-	 * another.
-	 */
-	if (il->stations[sta_id].used & IL_STA_UCODE_INPROGRESS) {
-		D_INFO(
-			"STA %d already in process of being added.\n",
-		       sta_id);
-		spin_unlock_irqrestore(&il->sta_lock, flags_spin);
-		return -EEXIST;
-	}
-
-	if ((il->stations[sta_id].used & IL_STA_DRIVER_ACTIVE) &&
-	    (il->stations[sta_id].used & IL_STA_UCODE_ACTIVE)) {
-		D_ASSOC(
-			"STA %d (%pM) already added, not adding again.\n",
-			sta_id, addr);
-		spin_unlock_irqrestore(&il->sta_lock, flags_spin);
-		return -EEXIST;
-	}
-
-	il->stations[sta_id].used |= IL_STA_UCODE_INPROGRESS;
-	memcpy(&sta_cmd, &il->stations[sta_id].sta,
-				sizeof(struct il_addsta_cmd));
-	spin_unlock_irqrestore(&il->sta_lock, flags_spin);
-
-	/* Add station to device's station table */
-	ret = il_send_add_sta(il, &sta_cmd, CMD_SYNC);
-	if (ret) {
-		spin_lock_irqsave(&il->sta_lock, flags_spin);
-		IL_ERR("Adding station %pM failed.\n",
-			il->stations[sta_id].sta.sta.addr);
-		il->stations[sta_id].used &= ~IL_STA_DRIVER_ACTIVE;
-		il->stations[sta_id].used &= ~IL_STA_UCODE_INPROGRESS;
-		spin_unlock_irqrestore(&il->sta_lock, flags_spin);
-	}
-	*sta_id_r = sta_id;
-	return ret;
-}
-EXPORT_SYMBOL(il_add_station_common);
-
-/**
- * il_sta_ucode_deactivate - deactivate ucode status for a station
- *
- * il->sta_lock must be held
- */
-static void il_sta_ucode_deactivate(struct il_priv *il, u8 sta_id)
-{
-	/* Ucode must be active and driver must be non active */
-	if ((il->stations[sta_id].used &
-	     (IL_STA_UCODE_ACTIVE | IL_STA_DRIVER_ACTIVE)) !=
-						IL_STA_UCODE_ACTIVE)
-		IL_ERR("removed non active STA %u\n", sta_id);
-
-	il->stations[sta_id].used &= ~IL_STA_UCODE_ACTIVE;
-
-	memset(&il->stations[sta_id], 0, sizeof(struct il_station_entry));
-	D_ASSOC("Removed STA %u\n", sta_id);
-}
-
-static int il_send_remove_station(struct il_priv *il,
-				   const u8 *addr, int sta_id,
-				   bool temporary)
-{
-	struct il_rx_pkt *pkt;
-	int ret;
-
-	unsigned long flags_spin;
-	struct il_rem_sta_cmd rm_sta_cmd;
-
-	struct il_host_cmd cmd = {
-		.id = C_REM_STA,
-		.len = sizeof(struct il_rem_sta_cmd),
-		.flags = CMD_SYNC,
-		.data = &rm_sta_cmd,
-	};
-
-	memset(&rm_sta_cmd, 0, sizeof(rm_sta_cmd));
-	rm_sta_cmd.num_sta = 1;
-	memcpy(&rm_sta_cmd.addr, addr, ETH_ALEN);
-
-	cmd.flags |= CMD_WANT_SKB;
-
-	ret = il_send_cmd(il, &cmd);
-
-	if (ret)
-		return ret;
-
-	pkt = (struct il_rx_pkt *)cmd.reply_page;
-	if (pkt->hdr.flags & IL_CMD_FAILED_MSK) {
-		IL_ERR("Bad return from C_REM_STA (0x%08X)\n",
-			  pkt->hdr.flags);
-		ret = -EIO;
-	}
-
-	if (!ret) {
-		switch (pkt->u.rem_sta.status) {
-		case REM_STA_SUCCESS_MSK:
-			if (!temporary) {
-				spin_lock_irqsave(&il->sta_lock, flags_spin);
-				il_sta_ucode_deactivate(il, sta_id);
-				spin_unlock_irqrestore(&il->sta_lock,
-								flags_spin);
-			}
-			D_ASSOC("C_REM_STA PASSED\n");
-			break;
-		default:
-			ret = -EIO;
-			IL_ERR("C_REM_STA failed\n");
-			break;
-		}
-	}
-	il_free_pages(il, cmd.reply_page);
-
-	return ret;
-}
-
-/**
- * il_remove_station - Remove driver's knowledge of station.
- */
-int il_remove_station(struct il_priv *il, const u8 sta_id,
-		       const u8 *addr)
-{
-	unsigned long flags;
-
-	if (!il_is_ready(il)) {
-		D_INFO(
-			"Unable to remove station %pM, device not ready.\n",
-			addr);
-		/*
-		 * It is typical for stations to be removed when we are
-		 * going down. Return success since device will be down
-		 * soon anyway
-		 */
-		return 0;
-	}
-
-	D_ASSOC("Removing STA from driver:%d  %pM\n",
-			sta_id, addr);
-
-	if (WARN_ON(sta_id == IL_INVALID_STATION))
-		return -EINVAL;
-
-	spin_lock_irqsave(&il->sta_lock, flags);
-
-	if (!(il->stations[sta_id].used & IL_STA_DRIVER_ACTIVE)) {
-		D_INFO("Removing %pM but non DRIVER active\n",
-				addr);
-		goto out_err;
-	}
-
-	if (!(il->stations[sta_id].used & IL_STA_UCODE_ACTIVE)) {
-		D_INFO("Removing %pM but non UCODE active\n",
-				addr);
-		goto out_err;
-	}
-
-	if (il->stations[sta_id].used & IL_STA_LOCAL) {
-		kfree(il->stations[sta_id].lq);
-		il->stations[sta_id].lq = NULL;
-	}
-
-	il->stations[sta_id].used &= ~IL_STA_DRIVER_ACTIVE;
-
-	il->num_stations--;
-
-	BUG_ON(il->num_stations < 0);
-
-	spin_unlock_irqrestore(&il->sta_lock, flags);
-
-	return il_send_remove_station(il, addr, sta_id, false);
-out_err:
-	spin_unlock_irqrestore(&il->sta_lock, flags);
-	return -EINVAL;
-}
-EXPORT_SYMBOL_GPL(il_remove_station);
-
-/**
- * il_clear_ucode_stations - clear ucode station table bits
- *
- * This function clears all the bits in the driver indicating
- * which stations are active in the ucode. Call when something
- * other than explicit station management would cause this in
- * the ucode, e.g. unassociated RXON.
- */
-void il_clear_ucode_stations(struct il_priv *il,
-			      struct il_rxon_context *ctx)
-{
-	int i;
-	unsigned long flags_spin;
-	bool cleared = false;
-
-	D_INFO("Clearing ucode stations in driver\n");
-
-	spin_lock_irqsave(&il->sta_lock, flags_spin);
-	for (i = 0; i < il->hw_params.max_stations; i++) {
-		if (ctx && ctx->ctxid != il->stations[i].ctxid)
-			continue;
-
-		if (il->stations[i].used & IL_STA_UCODE_ACTIVE) {
-			D_INFO(
-				"Clearing ucode active for station %d\n", i);
-			il->stations[i].used &= ~IL_STA_UCODE_ACTIVE;
-			cleared = true;
-		}
-	}
-	spin_unlock_irqrestore(&il->sta_lock, flags_spin);
-
-	if (!cleared)
-		D_INFO(
-			"No active stations found to be cleared\n");
-}
-EXPORT_SYMBOL(il_clear_ucode_stations);
-
-/**
- * il_restore_stations() - Restore driver known stations to device
- *
- * All stations considered active by driver, but not present in ucode, is
- * restored.
- *
- * Function sleeps.
- */
-void
-il_restore_stations(struct il_priv *il, struct il_rxon_context *ctx)
-{
-	struct il_addsta_cmd sta_cmd;
-	struct il_link_quality_cmd lq;
-	unsigned long flags_spin;
-	int i;
-	bool found = false;
-	int ret;
-	bool send_lq;
-
-	if (!il_is_ready(il)) {
-		D_INFO(
-			"Not ready yet, not restoring any stations.\n");
-		return;
-	}
-
-	D_ASSOC("Restoring all known stations ... start.\n");
-	spin_lock_irqsave(&il->sta_lock, flags_spin);
-	for (i = 0; i < il->hw_params.max_stations; i++) {
-		if (ctx->ctxid != il->stations[i].ctxid)
-			continue;
-		if ((il->stations[i].used & IL_STA_DRIVER_ACTIVE) &&
-		    !(il->stations[i].used & IL_STA_UCODE_ACTIVE)) {
-			D_ASSOC("Restoring sta %pM\n",
-					il->stations[i].sta.sta.addr);
-			il->stations[i].sta.mode = 0;
-			il->stations[i].used |= IL_STA_UCODE_INPROGRESS;
-			found = true;
-		}
-	}
-
-	for (i = 0; i < il->hw_params.max_stations; i++) {
-		if ((il->stations[i].used & IL_STA_UCODE_INPROGRESS)) {
-			memcpy(&sta_cmd, &il->stations[i].sta,
-			       sizeof(struct il_addsta_cmd));
-			send_lq = false;
-			if (il->stations[i].lq) {
-				memcpy(&lq, il->stations[i].lq,
-				       sizeof(struct il_link_quality_cmd));
-				send_lq = true;
-			}
-			spin_unlock_irqrestore(&il->sta_lock, flags_spin);
-			ret = il_send_add_sta(il, &sta_cmd, CMD_SYNC);
-			if (ret) {
-				spin_lock_irqsave(&il->sta_lock, flags_spin);
-				IL_ERR("Adding station %pM failed.\n",
-					il->stations[i].sta.sta.addr);
-				il->stations[i].used &=
-						~IL_STA_DRIVER_ACTIVE;
-				il->stations[i].used &=
-						~IL_STA_UCODE_INPROGRESS;
-				spin_unlock_irqrestore(&il->sta_lock,
-								flags_spin);
-			}
-			/*
-			 * Rate scaling has already been initialized, send
-			 * current LQ command
-			 */
-			if (send_lq)
-				il_send_lq_cmd(il, ctx, &lq,
-								CMD_SYNC, true);
-			spin_lock_irqsave(&il->sta_lock, flags_spin);
-			il->stations[i].used &= ~IL_STA_UCODE_INPROGRESS;
-		}
-	}
-
-	spin_unlock_irqrestore(&il->sta_lock, flags_spin);
-	if (!found)
-		D_INFO("Restoring all known stations"
-				" .... no stations to be restored.\n");
-	else
-		D_INFO("Restoring all known stations"
-				" .... complete.\n");
-}
-EXPORT_SYMBOL(il_restore_stations);
-
-int il_get_free_ucode_key_idx(struct il_priv *il)
-{
-	int i;
-
-	for (i = 0; i < il->sta_key_max_num; i++)
-		if (!test_and_set_bit(i, &il->ucode_key_table))
-			return i;
-
-	return WEP_INVALID_OFFSET;
-}
-EXPORT_SYMBOL(il_get_free_ucode_key_idx);
-
-void il_dealloc_bcast_stations(struct il_priv *il)
-{
-	unsigned long flags;
-	int i;
-
-	spin_lock_irqsave(&il->sta_lock, flags);
-	for (i = 0; i < il->hw_params.max_stations; i++) {
-		if (!(il->stations[i].used & IL_STA_BCAST))
-			continue;
-
-		il->stations[i].used &= ~IL_STA_UCODE_ACTIVE;
-		il->num_stations--;
-		BUG_ON(il->num_stations < 0);
-		kfree(il->stations[i].lq);
-		il->stations[i].lq = NULL;
-	}
-	spin_unlock_irqrestore(&il->sta_lock, flags);
-}
-EXPORT_SYMBOL_GPL(il_dealloc_bcast_stations);
-
-#ifdef CONFIG_IWLEGACY_DEBUG
-static void il_dump_lq_cmd(struct il_priv *il,
-			   struct il_link_quality_cmd *lq)
-{
-	int i;
-	D_RATE("lq station id 0x%x\n", lq->sta_id);
-	D_RATE("lq ant 0x%X 0x%X\n",
-		       lq->general_params.single_stream_ant_msk,
-		       lq->general_params.dual_stream_ant_msk);
-
-	for (i = 0; i < LINK_QUAL_MAX_RETRY_NUM; i++)
-		D_RATE("lq idx %d 0x%X\n",
-			       i, lq->rs_table[i].rate_n_flags);
-}
-#else
-static inline void il_dump_lq_cmd(struct il_priv *il,
-				   struct il_link_quality_cmd *lq)
-{
-}
-#endif
-
-/**
- * il_is_lq_table_valid() - Test one aspect of LQ cmd for validity
- *
- * It sometimes happens when a HT rate has been in use and we
- * loose connectivity with AP then mac80211 will first tell us that the
- * current channel is not HT anymore before removing the station. In such a
- * scenario the RXON flags will be updated to indicate we are not
- * communicating HT anymore, but the LQ command may still contain HT rates.
- * Test for this to prevent driver from sending LQ command between the time
- * RXON flags are updated and when LQ command is updated.
- */
-static bool il_is_lq_table_valid(struct il_priv *il,
-			      struct il_rxon_context *ctx,
-			      struct il_link_quality_cmd *lq)
-{
-	int i;
-
-	if (ctx->ht.enabled)
-		return true;
-
-	D_INFO("Channel %u is not an HT channel\n",
-		       ctx->active.channel);
-	for (i = 0; i < LINK_QUAL_MAX_RETRY_NUM; i++) {
-		if (le32_to_cpu(lq->rs_table[i].rate_n_flags) &
-						RATE_MCS_HT_MSK) {
-			D_INFO(
-				       "idx %d of LQ expects HT channel\n",
-				       i);
-			return false;
-		}
-	}
-	return true;
-}
-
-/**
- * il_send_lq_cmd() - Send link quality command
- * @init: This command is sent as part of station initialization right
- *        after station has been added.
- *
- * The link quality command is sent as the last step of station creation.
- * This is the special case in which init is set and we call a callback in
- * this case to clear the state indicating that station creation is in
- * progress.
- */
-int il_send_lq_cmd(struct il_priv *il, struct il_rxon_context *ctx,
-		    struct il_link_quality_cmd *lq, u8 flags, bool init)
-{
-	int ret = 0;
-	unsigned long flags_spin;
-
-	struct il_host_cmd cmd = {
-		.id = C_TX_LINK_QUALITY_CMD,
-		.len = sizeof(struct il_link_quality_cmd),
-		.flags = flags,
-		.data = lq,
-	};
-
-	if (WARN_ON(lq->sta_id == IL_INVALID_STATION))
-		return -EINVAL;
-
-
-	spin_lock_irqsave(&il->sta_lock, flags_spin);
-	if (!(il->stations[lq->sta_id].used & IL_STA_DRIVER_ACTIVE)) {
-		spin_unlock_irqrestore(&il->sta_lock, flags_spin);
-		return -EINVAL;
-	}
-	spin_unlock_irqrestore(&il->sta_lock, flags_spin);
-
-	il_dump_lq_cmd(il, lq);
-	BUG_ON(init && (cmd.flags & CMD_ASYNC));
-
-	if (il_is_lq_table_valid(il, ctx, lq))
-		ret = il_send_cmd(il, &cmd);
-	else
-		ret = -EINVAL;
-
-	if (cmd.flags & CMD_ASYNC)
-		return ret;
-
-	if (init) {
-		D_INFO("init LQ command complete,"
-				" clearing sta addition status for sta %d\n",
-			       lq->sta_id);
-		spin_lock_irqsave(&il->sta_lock, flags_spin);
-		il->stations[lq->sta_id].used &= ~IL_STA_UCODE_INPROGRESS;
-		spin_unlock_irqrestore(&il->sta_lock, flags_spin);
-	}
-	return ret;
-}
-EXPORT_SYMBOL(il_send_lq_cmd);
-
-int il_mac_sta_remove(struct ieee80211_hw *hw,
-		       struct ieee80211_vif *vif,
-		       struct ieee80211_sta *sta)
-{
-	struct il_priv *il = hw->priv;
-	struct il_station_priv_common *sta_common = (void *)sta->drv_priv;
-	int ret;
-
-	D_INFO("received request to remove station %pM\n",
-			sta->addr);
-	mutex_lock(&il->mutex);
-	D_INFO("proceeding to remove station %pM\n",
-			sta->addr);
-	ret = il_remove_station(il, sta_common->sta_id, sta->addr);
-	if (ret)
-		IL_ERR("Error removing station %pM\n",
-			sta->addr);
-	mutex_unlock(&il->mutex);
-	return ret;
-}
-EXPORT_SYMBOL(il_mac_sta_remove);

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

···
 		return -EINVAL;
 
 	/* Allocate the circular buffer of Read Buffer Descriptors (RBDs) */
-	rxq->bd = dma_alloc_coherent(dev, sizeof(__le32) * RX_QUEUE_SIZE,
-				     &rxq->bd_dma, GFP_KERNEL);
+	rxq->bd = dma_zalloc_coherent(dev, sizeof(__le32) * RX_QUEUE_SIZE,
+				      &rxq->bd_dma, GFP_KERNEL);
 	if (!rxq->bd)
 		goto err_bd;
-	memset(rxq->bd, 0, sizeof(__le32) * RX_QUEUE_SIZE);
 
 	/*Allocate the driver's pointer to receive buffer status */
-	rxq->rb_stts = dma_alloc_coherent(dev, sizeof(*rxq->rb_stts),
-					  &rxq->rb_stts_dma, GFP_KERNEL);
+	rxq->rb_stts = dma_zalloc_coherent(dev, sizeof(*rxq->rb_stts),
+					   &rxq->rb_stts_dma, GFP_KERNEL);
 	if (!rxq->rb_stts)
 		goto err_rb_stts;
-	memset(rxq->rb_stts, 0, sizeof(*rxq->rb_stts));
 
 	return 0;
 

drivers/net/wireless/mwl8k.c

···
 
 #define MWL8K_DESC	"Marvell TOPDOG(R) 802.11 Wireless Network Driver"
 #define MWL8K_NAME	KBUILD_MODNAME
-#define MWL8K_VERSION	"0.12"
+#define MWL8K_VERSION	"0.13"
 
 /* Module parameters */
 static bool ap_mode_default;
···
 	/* firmware access */
 	struct mutex fw_mutex;
 	struct task_struct *fw_mutex_owner;
+	struct task_struct *hw_restart_owner;
 	int fw_mutex_depth;
 	struct completion *hostcmd_wait;
 
···
 	 * the firmware image is swapped.
 	 */
 	struct ieee80211_tx_queue_params wmm_params[MWL8K_TX_WMM_QUEUES];
+
+	/* To perform the task of reloading the firmware */
+	struct work_struct fw_reload;
+	bool hw_restart_in_progress;
 
 	/* async firmware loading state */
 	unsigned fw_state;
···
 
 	might_sleep();
 
+	/* Since fw restart is in progress, allow only the firmware
+	 * commands from the restart code and block the other
+	 * commands since they are going to fail in any case since
+	 * the firmware has crashed
+	 */
+	if (priv->hw_restart_in_progress) {
+		if (priv->hw_restart_owner == current)
+			return 0;
+		else
+			return -EBUSY;
+	}
+
 	/*
 	 * The TX queues are stopped at this point, so this test
 	 * doesn't need to take ->tx_lock.
···
 		wiphy_err(hw->wiphy, "tx rings stuck for %d ms\n",
 			  MWL8K_TX_WAIT_TIMEOUT_MS);
 		mwl8k_dump_tx_rings(hw);
+		priv->hw_restart_in_progress = true;
+		ieee80211_queue_work(hw, &priv->fw_reload);
 
 		rc = -ETIMEDOUT;
 	}
···
 
 		rc = mwl8k_tx_wait_empty(hw);
 		if (rc) {
-			ieee80211_wake_queues(hw);
+			if (!priv->hw_restart_in_progress)
+				ieee80211_wake_queues(hw);
+
 			mutex_unlock(&priv->fw_mutex);
 
 			return rc;
···
 	struct mwl8k_priv *priv = hw->priv;
 
 	if (!--priv->fw_mutex_depth) {
-		ieee80211_wake_queues(hw);
+		if (!priv->hw_restart_in_progress)
+			ieee80211_wake_queues(hw);
+
 		priv->fw_mutex_owner = NULL;
 		mutex_unlock(&priv->fw_mutex);
 	}
···
 	struct mwl8k_priv *priv = hw->priv;
 	int i;
 
-	mwl8k_cmd_radio_disable(hw);
+	if (!priv->hw_restart_in_progress)
+		mwl8k_cmd_radio_disable(hw);
 
 	ieee80211_stop_queues(hw);
 
···
 	return 0;
 }
 
+static void mwl8k_remove_vif(struct mwl8k_priv *priv, struct mwl8k_vif *vif)
+{
+	/* Has ieee80211_restart_hw re-added the removed interfaces? */
+	if (!priv->macids_used)
+		return;
+
+	priv->macids_used &= ~(1 << vif->macid);
+	list_del(&vif->list);
+}
+
 static void mwl8k_remove_interface(struct ieee80211_hw *hw,
 				   struct ieee80211_vif *vif)
 {
···
 
 	mwl8k_cmd_set_mac_addr(hw, vif, "\x00\x00\x00\x00\x00\x00");
 
-	priv->macids_used &= ~(1 << mwl8k_vif->macid);
-	list_del(&mwl8k_vif->list);
+	mwl8k_remove_vif(priv, mwl8k_vif);
+}
+
+static void mwl8k_hw_restart_work(struct work_struct *work)
+{
+	struct mwl8k_priv *priv =
+		container_of(work, struct mwl8k_priv, fw_reload);
+	struct ieee80211_hw *hw = priv->hw;
+	struct mwl8k_device_info *di;
+	int rc;
+
+	/* If some command is waiting for a response, clear it */
+	if (priv->hostcmd_wait != NULL) {
+		complete(priv->hostcmd_wait);
+		priv->hostcmd_wait = NULL;
+	}
+
+	priv->hw_restart_owner = current;
+	di = priv->device_info;
+	mwl8k_fw_lock(hw);
+
+	if (priv->ap_fw)
+		rc = mwl8k_reload_firmware(hw, di->fw_image_ap);
+	else
+		rc = mwl8k_reload_firmware(hw, di->fw_image_sta);
+
+	if (rc)
+		goto fail;
+
+	priv->hw_restart_owner = NULL;
+	priv->hw_restart_in_progress = false;
+
+	/*
+	 * This unlock will wake up the queues and
+	 * also opens the command path for other
+	 * commands
+	 */
+	mwl8k_fw_unlock(hw);
+
+	ieee80211_restart_hw(hw);
+
+	wiphy_err(hw->wiphy, "Firmware restarted successfully\n");
+
+	return;
+fail:
+	mwl8k_fw_unlock(hw);
+
+	wiphy_err(hw->wiphy, "Firmware restart failed\n");
 }
 
 static int mwl8k_config(struct ieee80211_hw *hw, u32 changed)
···
 		for (i = 0; i < MAX_AMPDU_ATTEMPTS; i++) {
 			rc = mwl8k_check_ba(hw, stream);
 
-			if (!rc)
+			/* If HW restart is in progress mwl8k_post_cmd will
+			 * return -EBUSY. Avoid retrying mwl8k_check_ba in
+			 * such cases
+			 */
+			if (!rc || rc == -EBUSY)
 				break;
 			/*
 			 * HW queues take time to be flushed, give them
···
 	mwl8k_release_firmware(priv);
 }
 
+#define MAX_RESTART_ATTEMPTS 1
 static int mwl8k_init_firmware(struct ieee80211_hw *hw, char *fw_image,
 			       bool nowait)
 {
 	struct mwl8k_priv *priv = hw->priv;
 	int rc;
+	int count = MAX_RESTART_ATTEMPTS;
 
+retry:
 	/* Reset firmware and hardware */
 	mwl8k_hw_reset(priv);
 
···
 
 	/* Reclaim memory once firmware is successfully loaded */
 	mwl8k_release_firmware(priv);
+
+	if (rc && count) {
+		/* FW did not start successfully;
+		 * lets try one more time
+		 */
+		count--;
+		wiphy_err(hw->wiphy, "Trying to reload the firmware again\n");
+		msleep(20);
+		goto retry;
+	}
 
 	return rc;
 }
···
 		goto err_free_queues;
 	}
 
-	memset(priv->ampdu, 0, sizeof(priv->ampdu));
+	/*
+	 * When hw restart is requested,
+	 * mac80211 will take care of clearing
+	 * the ampdu streams, so do not clear
+	 * the ampdu state here
+	 */
+	if (!priv->hw_restart_in_progress)
+		memset(priv->ampdu, 0, sizeof(priv->ampdu));
 
 	/*
 	 * Temporarily enable interrupts.  Initial firmware host
···
 {
 	int i, rc = 0;
 	struct mwl8k_priv *priv = hw->priv;
+	struct mwl8k_vif *vif, *tmp_vif;
 
 	mwl8k_stop(hw);
 	mwl8k_rxq_deinit(hw, 0);
+
+	/*
+	 * All the existing interfaces are re-added by the ieee80211_reconfig;
+	 * which means driver should remove existing interfaces before calling
+	 * ieee80211_restart_hw
+	 */
+	if (priv->hw_restart_in_progress)
+		list_for_each_entry_safe(vif, tmp_vif, &priv->vif_list, list)
+			mwl8k_remove_vif(priv, vif);
 
 	for (i = 0; i < mwl8k_tx_queues(priv); i++)
 		mwl8k_txq_deinit(hw, i);
···
 	rc = mwl8k_probe_hw(hw);
 	if (rc)
 		goto fail;
+
+	if (priv->hw_restart_in_progress)
+		return rc;
 
 	rc = mwl8k_start(hw);
 	if (rc)
···
 	INIT_WORK(&priv->finalize_join_worker, mwl8k_finalize_join_worker);
 	/* Handle watchdog ba events */
 	INIT_WORK(&priv->watchdog_ba_handle, mwl8k_watchdog_ba_events);
+	/* To reload the firmware if it crashes */
+	INIT_WORK(&priv->fw_reload, mwl8k_hw_restart_work);
 
 	/* TX reclaim and RX tasklets.  */
 	tasklet_init(&priv->poll_tx_task, mwl8k_tx_poll, (unsigned long)hw);
···
 	rc = mwl8k_init_firmware(hw, priv->fw_pref, true);
 	if (rc)
 		goto err_stop_firmware;
+
+	priv->hw_restart_in_progress = false;
+
 	return rc;
 
 err_stop_firmware:

drivers/net/wireless/rt2x00/rt2800.h

···
  * RF2853 2.4G/5G 3T3R
  * RF3320 2.4G 1T1R(RT3350/RT3370/RT3390)
  * RF3322 2.4G 2T2R(RT3352/RT3371/RT3372/RT3391/RT3392)
- * RF3853 2.4G/5G 3T3R(RT3883/RT3563/RT3573/RT3593/RT3662)
+ * RF3053 2.4G/5G 3T3R(RT3883/RT3563/RT3573/RT3593/RT3662)
  * RF5370 2.4G 1T1R
  * RF5390 2.4G 1T1R
  */
···
 #define RF2853				0x000a
 #define RF3320				0x000b
 #define RF3322				0x000c
-#define RF3853				0x000d
+#define RF3053				0x000d
 #define RF5370				0x5370
 #define RF5390				0x5390
 

drivers/net/wireless/rt2x00/rt2800lib.c

···
 		info->default_power2 = TXPOWER_A_TO_DEV(info->default_power2);
 	}
 
-	if (rt2x00_rf(rt2x00dev, RF2020) ||
-	    rt2x00_rf(rt2x00dev, RF3020) ||
-	    rt2x00_rf(rt2x00dev, RF3021) ||
-	    rt2x00_rf(rt2x00dev, RF3022) ||
-	    rt2x00_rf(rt2x00dev, RF3320))
+	switch (rt2x00dev->chip.rf) {
+	case RF2020:
+	case RF3020:
+	case RF3021:
+	case RF3022:
+	case RF3320:
 		rt2800_config_channel_rf3xxx(rt2x00dev, conf, rf, info);
-	else if (rt2x00_rf(rt2x00dev, RF3052))
+		break;
+	case RF3052:
 		rt2800_config_channel_rf3052(rt2x00dev, conf, rf, info);
-	else if (rt2x00_rf(rt2x00dev, RF5370) ||
-		 rt2x00_rf(rt2x00dev, RF5390))
+		break;
+	case RF5370:
+	case RF5390:
 		rt2800_config_channel_rf53xx(rt2x00dev, conf, rf, info);
-	else
+		break;
+	default:
 		rt2800_config_channel_rf2xxx(rt2x00dev, conf, rf, info);
+	}
 
 	/*
 	 * Change BBP settings
···
 	rt2x00_set_chip(rt2x00dev, rt2x00_get_field32(reg, MAC_CSR0_CHIPSET),
 			value, rt2x00_get_field32(reg, MAC_CSR0_REVISION));
 
-	if (!rt2x00_rt(rt2x00dev, RT2860) &&
-	    !rt2x00_rt(rt2x00dev, RT2872) &&
-	    !rt2x00_rt(rt2x00dev, RT2883) &&
-	    !rt2x00_rt(rt2x00dev, RT3070) &&
-	    !rt2x00_rt(rt2x00dev, RT3071) &&
-	    !rt2x00_rt(rt2x00dev, RT3090) &&
-	    !rt2x00_rt(rt2x00dev, RT3390) &&
-	    !rt2x00_rt(rt2x00dev, RT3572) &&
-	    !rt2x00_rt(rt2x00dev, RT5390)) {
+	switch (rt2x00dev->chip.rt) {
+	case RT2860:
+	case RT2872:
+	case RT2883:
+	case RT3070:
+	case RT3071:
+	case RT3090:
+	case RT3390:
+	case RT3572:
+	case RT5390:
+		break;
+	default:
 		ERROR(rt2x00dev, "Invalid RT chipset detected.\n");
 		return -ENODEV;
 	}
···
 		survey->channel_time_busy = busy / 1000;
 		survey->channel_time_ext_busy = busy_ext / 1000;
 	}
+
+	if (!(hw->conf.flags & IEEE80211_CONF_OFFCHANNEL))
+		survey->filled |= SURVEY_INFO_IN_USE;
 
 	return 0;
 

drivers/net/wireless/rt2x00/rt2800usb.c

···
 	/*
 	 * The size of TXINFO_W0_USB_DMA_TX_PKT_LEN is
 	 * TXWI + 802.11 header + L2 pad + payload + pad,
-	 * so need to decrease size of TXINFO and USB end pad.
+	 * so need to decrease size of TXINFO.
 	 */
 	rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_PKT_LEN,
-			   entry->skb->len - TXINFO_DESC_SIZE - 4);
+			   roundup(entry->skb->len, 4) - TXINFO_DESC_SIZE);
 	rt2x00_set_field32(&word, TXINFO_W0_WIV,
 			   !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags));
 	rt2x00_set_field32(&word, TXINFO_W0_QSEL, 2);
···
 	skbdesc->desc_len = TXINFO_DESC_SIZE + TXWI_DESC_SIZE;
 }
 
-static void rt2800usb_write_tx_data(struct queue_entry *entry,
-					struct txentry_desc *txdesc)
-{
-	unsigned int len;
-	int err;
-
-	rt2800_write_tx_data(entry, txdesc);
-
-	/*
-	 * pad(1~3 bytes) is added after each 802.11 payload.
-	 * USB end pad(4 bytes) is added at each USB bulk out packet end.
-	 * TX frame format is :
-	 * | TXINFO | TXWI | 802.11 header | L2 pad | payload | pad | USB end pad |
-	 *                 |<------------- tx_pkt_len ------------->|
-	 */
-	len = roundup(entry->skb->len, 4) + 4;
-	err = skb_padto(entry->skb, len);
-	if (unlikely(err)) {
-		WARNING(entry->queue->rt2x00dev, "TX SKB padding error, out of memory\n");
-		return;
-	}
-
-	entry->skb->len = len;
-}
-
 /*
  * TX data initialization
  */
 static int rt2800usb_get_tx_data_len(struct queue_entry *entry)
 {
-	return entry->skb->len;
+	/*
+	 * pad(1~3 bytes) is needed after each 802.11 payload.
+	 * USB end pad(4 bytes) is needed at each USB bulk out packet end.
+	 * TX frame format is :
+	 * | TXINFO | TXWI | 802.11 header | L2 pad | payload | pad | USB end pad |
+	 *                 |<------------- tx_pkt_len ------------->|
+	 */
+
+	return roundup(entry->skb->len, 4) + 4;
 }
 
 /*
···
 	.flush_queue		= rt2x00usb_flush_queue,
 	.tx_dma_done		= rt2800usb_tx_dma_done,
 	.write_tx_desc		= rt2800usb_write_tx_desc,
-	.write_tx_data		= rt2800usb_write_tx_data,
+	.write_tx_data		= rt2800_write_tx_data,
 	.write_beacon		= rt2800_write_beacon,
 	.clear_beacon		= rt2800_clear_beacon,
 	.get_tx_data_len	= rt2800usb_get_tx_data_len,
···
 	{ USB_DEVICE(0x050d, 0x8053) },
 	{ USB_DEVICE(0x050d, 0x805c) },
 	{ USB_DEVICE(0x050d, 0x815c) },
+	{ USB_DEVICE(0x050d, 0x825a) },
 	{ USB_DEVICE(0x050d, 0x825b) },
 	{ USB_DEVICE(0x050d, 0x935a) },
 	{ USB_DEVICE(0x050d, 0x935b) },
 	/* Buffalo */
 	{ USB_DEVICE(0x0411, 0x00e8) },
 	{ USB_DEVICE(0x0411, 0x0158) },
+	{ USB_DEVICE(0x0411, 0x015d) },
 	{ USB_DEVICE(0x0411, 0x016f) },
 	{ USB_DEVICE(0x0411, 0x01a2) },
 	/* Corega */
···
 	{ USB_DEVICE(0x07d1, 0x3c0e) },
 	{ USB_DEVICE(0x07d1, 0x3c0f) },
 	{ USB_DEVICE(0x07d1, 0x3c11) },
+	{ USB_DEVICE(0x07d1, 0x3c13) },
+	{ USB_DEVICE(0x07d1, 0x3c15) },
 	{ USB_DEVICE(0x07d1, 0x3c16) },
 	/* Draytek */
 	{ USB_DEVICE(0x07fa, 0x7712) },
···
 	{ USB_DEVICE(0x7392, 0x7711) },
 	{ USB_DEVICE(0x7392, 0x7717) },
 	{ USB_DEVICE(0x7392, 0x7718) },
+	{ USB_DEVICE(0x7392, 0x7722) },
 	/* Encore */
 	{ USB_DEVICE(0x203d, 0x1480) },
 	{ USB_DEVICE(0x203d, 0x14a9) },
···
 	{ USB_DEVICE(0x13b1, 0x0031) },
 	{ USB_DEVICE(0x1737, 0x0070) },
 	{ USB_DEVICE(0x1737, 0x0071) },
+	{ USB_DEVICE(0x1737, 0x0077) },
+	{ USB_DEVICE(0x1737, 0x0078) },
 	/* Logitec */
 	{ USB_DEVICE(0x0789, 0x0162) },
 	{ USB_DEVICE(0x0789, 0x0163) },
···
 	{ USB_DEVICE(0x0db0, 0x871b) },
 	{ USB_DEVICE(0x0db0, 0x871c) },
 	{ USB_DEVICE(0x0db0, 0x899a) },
+	/* Ovislink */
+	{ USB_DEVICE(0x1b75, 0x3071) },
+	{ USB_DEVICE(0x1b75, 0x3072) },
 	/* Para */
 	{ USB_DEVICE(0x20b8, 0x8888) },
 	/* Pegatron */
+	{ USB_DEVICE(0x1d4d, 0x0002) },
 	{ USB_DEVICE(0x1d4d, 0x000c) },
 	{ USB_DEVICE(0x1d4d, 0x000e) },
 	{ USB_DEVICE(0x1d4d, 0x0011) },
···
 	/* Sparklan */
 	{ USB_DEVICE(0x15a9, 0x0006) },
 	/* Sweex */
+	{ USB_DEVICE(0x177f, 0x0153) },
 	{ USB_DEVICE(0x177f, 0x0302) },
+	{ USB_DEVICE(0x177f, 0x0313) },
 	/* U-Media */
 	{ USB_DEVICE(0x157e, 0x300e) },
 	{ USB_DEVICE(0x157e, 0x3013) },
···
 	{ USB_DEVICE(0x13d3, 0x3322) },
 	/* Belkin */
 	{ USB_DEVICE(0x050d, 0x1003) },
-	{ USB_DEVICE(0x050d, 0x825a) },
 	/* Buffalo */
 	{ USB_DEVICE(0x0411, 0x012e) },
 	{ USB_DEVICE(0x0411, 0x0148) },
 	{ USB_DEVICE(0x0411, 0x0150) },
-	{ USB_DEVICE(0x0411, 0x015d) },
 	/* Corega */
 	{ USB_DEVICE(0x07aa, 0x0041) },
 	{ USB_DEVICE(0x07aa, 0x0042) },
 	{ USB_DEVICE(0x18c5, 0x0008) },
 	/* D-Link */
 	{ USB_DEVICE(0x07d1, 0x3c0b) },
-	{ USB_DEVICE(0x07d1, 0x3c13) },
-	{ USB_DEVICE(0x07d1, 0x3c15) },
 	{ USB_DEVICE(0x07d1, 0x3c17) },
 	{ USB_DEVICE(0x2001, 0x3c17) },
 	/* Edimax */
 	{ USB_DEVICE(0x7392, 0x4085) },
-	{ USB_DEVICE(0x7392, 0x7722) },
 	/* Encore */
 	{ USB_DEVICE(0x203d, 0x14a1) },
 	/* Fujitsu Stylistic 550 */
···
 	/* LevelOne */
 	{ USB_DEVICE(0x1740, 0x0605) },
 	{ USB_DEVICE(0x1740, 0x0615) },
-	/* Linksys */
-	{ USB_DEVICE(0x1737, 0x0077) },
-	{ USB_DEVICE(0x1737, 0x0078) },
 	/* Logitec */
 	{ USB_DEVICE(0x0789, 0x0168) },
 	{ USB_DEVICE(0x0789, 0x0169) },
 	/* Motorola */
 	{ USB_DEVICE(0x100d, 0x9032) },
-	/* Ovislink */
-	{ USB_DEVICE(0x1b75, 0x3071) },
-	{ USB_DEVICE(0x1b75, 0x3072) },
 	/* Pegatron */
 	{ USB_DEVICE(0x05a6, 0x0101) },
-	{ USB_DEVICE(0x1d4d, 0x0002) },
 	{ USB_DEVICE(0x1d4d, 0x0010) },
 	/* Planex */
 	{ USB_DEVICE(0x2019, 0x5201) },
···
 	{ USB_DEVICE(0x083a, 0xc522) },
 	{ USB_DEVICE(0x083a, 0xd522) },
 	{ USB_DEVICE(0x083a, 0xf511) },
-	/* Sweex */
-	{ USB_DEVICE(0x177f, 0x0153) },
-	{ USB_DEVICE(0x177f, 0x0313) },
 	/* Zyxel */
 	{ USB_DEVICE(0x0586, 0x341a) },
 #endif

drivers/net/wireless/rt2x00/rt2x00.h

···
 #define RT3090		0x3090	/* 2.4GHz PCIe */
 #define RT3390		0x3390
 #define RT3572		0x3572
-#define RT3593		0x3593	/* PCIe */
+#define RT3593		0x3593
 #define RT3883		0x3883	/* WSOC */
-#define RT5390         0x5390  /* 2.4GHz */
+#define RT5390		0x5390  /* 2.4GHz */
 
 	u16 rf;
 	u16 rev;

drivers/net/wireless/rt2x00/rt2x00usb.c

···
 		return false;
 
 	/*
-	 * USB devices cannot blindly pass the skb->len as the
-	 * length of the data to usb_fill_bulk_urb. Pass the skb
-	 * to the driver to determine what the length should be.
+	 * USB devices require certain padding at the end of each frame
+	 * and urb. Those paddings are not included in skbs. Pass entry
+	 * to the driver to determine what the overall length should be.
 	 */
 	length = rt2x00dev->ops->lib->get_tx_data_len(entry);
+
+	status = skb_padto(entry->skb, length);
+	if (unlikely(status)) {
+		/* TODO: report something more appropriate than IO_FAILED. */
+		WARNING(rt2x00dev, "TX SKB padding error, out of memory\n");
+		set_bit(ENTRY_DATA_IO_FAILED, &entry->flags);
+		rt2x00lib_dmadone(entry);
+
+		return false;
+	}
 
 	usb_fill_bulk_urb(entry_priv->urb, usb_dev,
 			  usb_sndbulkpipe(usb_dev, entry->queue->usb_endpoint),

include/linux/nfc.h

···
  * @NFC_ATTR_TARGET_SENS_RES: NFC-A targets extra information such as NFCID
  * @NFC_ATTR_TARGET_SEL_RES: NFC-A targets extra information (useful if the
  *	target is not NFC-Forum compliant)
+ * @NFC_ATTR_TARGET_NFCID1: NFC-A targets identifier, max 10 bytes
  * @NFC_ATTR_COMM_MODE: Passive or active mode
  * @NFC_ATTR_RF_MODE: Initiator or target
  */
···
 	NFC_ATTR_TARGET_INDEX,
 	NFC_ATTR_TARGET_SENS_RES,
 	NFC_ATTR_TARGET_SEL_RES,
+	NFC_ATTR_TARGET_NFCID1,
 	NFC_ATTR_COMM_MODE,
 	NFC_ATTR_RF_MODE,
 /* private: internal use only */

include/net/nfc/nci.h

···
 #define NCI_STATUS_RF_PROTOCOL_ERROR				0xb1
 #define NCI_STATUS_RF_TIMEOUT_ERROR				0xb2
 /* NFCEE Interface Specific Status Codes */
-#define NCI_STATUS_MAX_ACTIVE_NFCEE_INTERFACES_REACHED		0xc0
-#define NCI_STATUS_NFCEE_INTERFACE_ACTIVATION_FAILED		0xc1
-#define NCI_STATUS_NFCEE_TRANSMISSION_ERROR			0xc2
-#define NCI_STATUS_NFCEE_PROTOCOL_ERROR				0xc3
-#define NCI_STATUS_NFCEE_TIMEOUT_ERROR				0xc4
+#define NCI_STATUS_NFCEE_INTERFACE_ACTIVATION_FAILED		0xc0
+#define NCI_STATUS_NFCEE_TRANSMISSION_ERROR			0xc1
+#define NCI_STATUS_NFCEE_PROTOCOL_ERROR				0xc2
+#define NCI_STATUS_NFCEE_TIMEOUT_ERROR				0xc3
 
 /* NCI RF Technology and Mode */
 #define NCI_NFC_A_PASSIVE_POLL_MODE				0x00
···
 #define NCI_NFC_F_PASSIVE_POLL_MODE				0x02
 #define NCI_NFC_A_ACTIVE_POLL_MODE				0x03
 #define NCI_NFC_F_ACTIVE_POLL_MODE				0x05
+#define NCI_NFC_15693_PASSIVE_POLL_MODE				0x06
 #define NCI_NFC_A_PASSIVE_LISTEN_MODE				0x80
 #define NCI_NFC_B_PASSIVE_LISTEN_MODE				0x81
 #define NCI_NFC_F_PASSIVE_LISTEN_MODE				0x82
 #define NCI_NFC_A_ACTIVE_LISTEN_MODE				0x83
 #define NCI_NFC_F_ACTIVE_LISTEN_MODE				0x85
+#define NCI_NFC_15693_PASSIVE_LISTEN_MODE			0x86
 
 /* NCI RF Technologies */
 #define NCI_NFC_RF_TECHNOLOGY_A					0x00
···
 #define NCI_NFC_BIT_RATE_212					0x01
 #define NCI_NFC_BIT_RATE_424					0x02
 #define NCI_NFC_BIT_RATE_848					0x03
-#define NCI_NFC_BIT_RATE_1696					0x04
-#define NCI_NFC_BIT_RATE_3392					0x05
-#define NCI_NFC_BIT_RATE_6784					0x06
+#define NCI_NFC_BIT_RATE_1695					0x04
+#define NCI_NFC_BIT_RATE_3390					0x05
+#define NCI_NFC_BIT_RATE_6780					0x06
 
 /* NCI RF Protocols */
 #define NCI_RF_PROTOCOL_UNKNOWN					0x00
···
 /* NCI RF_DISCOVER_MAP_CMD modes */
 #define NCI_DISC_MAP_MODE_POLL					0x01
 #define NCI_DISC_MAP_MODE_LISTEN				0x02
-#define NCI_DISC_MAP_MODE_BOTH					0x03
-
-/* NCI Discovery Types */
-#define NCI_DISCOVERY_TYPE_POLL_A_PASSIVE			0x00
-#define NCI_DISCOVERY_TYPE_POLL_B_PASSIVE			0x01
-#define NCI_DISCOVERY_TYPE_POLL_F_PASSIVE			0x02
-#define NCI_DISCOVERY_TYPE_POLL_A_ACTIVE			0x03
-#define NCI_DISCOVERY_TYPE_POLL_F_ACTIVE			0x05
-#define NCI_DISCOVERY_TYPE_WAKEUP_A_ACTIVE			0x09
-#define NCI_DISCOVERY_TYPE_LISTEN_A_PASSIVE			0x80
-#define NCI_DISCOVERY_TYPE_LISTEN_B_PASSIVE			0x81
-#define NCI_DISCOVERY_TYPE_LISTEN_F_PASSIVE			0x82
-#define NCI_DISCOVERY_TYPE_LISTEN_A_ACTIVE			0x83
-#define NCI_DISCOVERY_TYPE_LISTEN_F_ACTIVE			0x85
 
 /* NCI Deactivation Type */
 #define NCI_DEACTIVATE_TYPE_IDLE_MODE				0x00
···
 struct disc_map_config {
 	__u8	rf_protocol;
 	__u8	mode;
-	__u8	rf_interface_type;
+	__u8	rf_interface;
 } __packed;
 
 struct nci_rf_disc_map_cmd {
···
 
 #define NCI_OP_RF_DISCOVER_CMD		nci_opcode_pack(NCI_GID_RF_MGMT, 0x03)
 struct disc_config {
-	__u8	type;
+	__u8	rf_tech_and_mode;
 	__u8	frequency;
 } __packed;
 
···
 	__le16	max_routing_table_size;
 	__u8	max_ctrl_pkt_payload_len;
 	__le16	max_size_for_large_params;
-	__u8	max_data_pkt_payload_size;
-	__u8	initial_num_credits;
 	__u8	manufact_id;
 	__le32	manufact_specific_info;
 } __packed;
···
 /* --------------------------- */
 /* ---- NCI Notifications ---- */
 /* --------------------------- */
-#define NCI_OP_CORE_CONN_CREDITS_NTF	nci_opcode_pack(NCI_GID_CORE, 0x07)
+#define NCI_OP_CORE_CONN_CREDITS_NTF	nci_opcode_pack(NCI_GID_CORE, 0x06)
 struct conn_credit_entry {
 	__u8	conn_id;
 	__u8	credits;
···
 struct nci_core_conn_credit_ntf {
 	__u8				num_entries;
 	struct conn_credit_entry	conn_entries[NCI_MAX_NUM_CONN];
+} __packed;
+
+#define NCI_OP_CORE_INTF_ERROR_NTF	nci_opcode_pack(NCI_GID_CORE, 0x08)
+struct nci_core_intf_error_ntf {
+	__u8	status;
+	__u8	conn_id;
 } __packed;
 
 #define NCI_OP_RF_INTF_ACTIVATED_NTF	nci_opcode_pack(NCI_GID_RF_MGMT, 0x05)
···
 
 struct nci_rf_intf_activated_ntf {
 	__u8	rf_discovery_id;
-	__u8	rf_interface_type;
+	__u8	rf_interface;
 	__u8	rf_protocol;
 	__u8	activation_rf_tech_and_mode;
+	__u8	max_data_pkt_payload_size;
+	__u8	initial_num_credits;
 	__u8	rf_tech_specific_params_len;
 
 	union {

include/net/nfc/nci_core.h

···
 	__u16			max_routing_table_size;
 	__u8			max_ctrl_pkt_payload_len;
 	__u16			max_size_for_large_params;
-	__u8			max_data_pkt_payload_size;
-	__u8			initial_num_credits;
 	__u8			manufact_id;
 	__u32			manufact_specific_info;
+
+	/* received during NCI_OP_RF_INTF_ACTIVATED_NTF */
+	__u8			max_data_pkt_payload_size;
+	__u8			initial_num_credits;
 
 	/* stored during nci_data_exchange */
 	data_exchange_cb_t	data_exchange_cb;

include/net/nfc/nfc.h

···
 
 #define NFC_TARGET_IDX_ANY -1
 #define NFC_MAX_GT_LEN 48
+#define NFC_MAX_NFCID1_LEN 10
 
 struct nfc_target {
 	u32 idx;
 	u32 supported_protocols;
 	u16 sens_res;
 	u8 sel_res;
+	u8 nfcid1_len;
+	u8 nfcid1[NFC_MAX_NFCID1_LEN];
 };
 
 struct nfc_genl_data {

net/mac80211/ieee80211_i.h

···
 void ieee80211_sched_scan_stopped_work(struct work_struct *work);
 
 /* off-channel helpers */
-void ieee80211_offchannel_enable_all_ps(struct ieee80211_local *local,
-					bool tell_ap);
 void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local,
 				    bool offchannel_ps_enable);
 void ieee80211_offchannel_return(struct ieee80211_local *local,

net/mac80211/mlme.c

···
 	struct sta_info *sta;
 
 	if (ifmgd->associated) {
+		rcu_read_lock();
 		sta = sta_info_get(sdata, ifmgd->bssid);
 		if (sta)
 			sta->beacon_loss_count++;
+		rcu_read_unlock();
 	}
 
 	if (sdata->local->hw.flags & IEEE80211_HW_CONNECTION_MONITOR)

net/mac80211/offchannel.c

···
 	mutex_unlock(&local->iflist_mtx);
 }
 
-void ieee80211_offchannel_enable_all_ps(struct ieee80211_local *local,
-					bool tell_ap)
-{
-	struct ieee80211_sub_if_data *sdata;
-
-	mutex_lock(&local->iflist_mtx);
-	list_for_each_entry(sdata, &local->interfaces, list) {
-		if (!ieee80211_sdata_running(sdata))
-			continue;
-
-		if (sdata->vif.type == NL80211_IFTYPE_STATION &&
-		    sdata->u.mgd.associated)
-			ieee80211_offchannel_ps_enable(sdata, tell_ap);
-	}
-	mutex_unlock(&local->iflist_mtx);
-}
-
 void ieee80211_offchannel_return(struct ieee80211_local *local,
 				 bool offchannel_ps_disable)
 {
···
 
 	mutex_lock(&local->iflist_mtx);
 	list_for_each_entry(sdata, &local->interfaces, list) {
+		if (sdata->vif.type != NL80211_IFTYPE_MONITOR)
+			clear_bit(SDATA_STATE_OFFCHANNEL, &sdata->state);
+
 		if (!ieee80211_sdata_running(sdata))
 			continue;
 
···
 		}
 
 		if (sdata->vif.type != NL80211_IFTYPE_MONITOR) {
-			clear_bit(SDATA_STATE_OFFCHANNEL, &sdata->state);
 			/*
 			 * This may wake up queues even though the driver
 			 * currently has them stopped. This is not very

net/mac80211/rx.c

···
 	return RX_CONTINUE;
 }
 
-static ieee80211_rx_result debug_noinline
-ieee80211_rx_h_remove_qos_control(struct ieee80211_rx_data *rx)
-{
-	u8 *data = rx->skb->data;
-	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)data;
-
-	if (!ieee80211_is_data_qos(hdr->frame_control))
-		return RX_CONTINUE;
-
-	/* remove the qos control field, update frame type and meta-data */
-	memmove(data + IEEE80211_QOS_CTL_LEN, data,
-		ieee80211_hdrlen(hdr->frame_control) - IEEE80211_QOS_CTL_LEN);
-	hdr = (struct ieee80211_hdr *)skb_pull(rx->skb, IEEE80211_QOS_CTL_LEN);
-	/* change frame type to non QOS */
-	hdr->frame_control &= ~cpu_to_le16(IEEE80211_STYPE_QOS_DATA);
-
-	return RX_CONTINUE;
-}
-
 static int
 ieee80211_802_1x_port_control(struct ieee80211_rx_data *rx)
 {
···
 		if (ieee80211_vif_is_mesh(&rx->sdata->vif))
 			CALL_RXH(ieee80211_rx_h_mesh_fwding);
 #endif
-		CALL_RXH(ieee80211_rx_h_remove_qos_control)
 		CALL_RXH(ieee80211_rx_h_amsdu)
 		CALL_RXH(ieee80211_rx_h_data)
 		CALL_RXH(ieee80211_rx_h_ctrl);

net/mac80211/scan.c

···
 	local->leave_oper_channel_time = jiffies;
 
 	/* advance to the next channel to be scanned */
-	local->next_scan_state = SCAN_DECISION;
+	local->next_scan_state = SCAN_SET_CHANNEL;
 }
 
 void ieee80211_scan_work(struct work_struct *work)

net/mac80211/sta_info.c

···
 	struct sta_info *sta, *tmp;
 
 	mutex_lock(&local->sta_mtx);
-	list_for_each_entry_safe(sta, tmp, &local->sta_list, list)
+
+	list_for_each_entry_safe(sta, tmp, &local->sta_list, list) {
 		if (sdata != sta->sdata)
 			continue;
 
···
 #endif
 			WARN_ON(__sta_info_destroy(sta));
 		}
+	}
+
 	mutex_unlock(&local->sta_mtx);
 }
 

net/mac80211/util.c

···
 		 */
 	}
 #endif
-
-	/* setup fragmentation threshold */
-	drv_set_frag_threshold(local, hw->wiphy->frag_threshold);
-
-	/* setup RTS threshold */
-	drv_set_rts_threshold(local, hw->wiphy->rts_threshold);
-
-	/* reset coverage class */
-	drv_set_coverage_class(local, hw->wiphy->coverage_class);
-
 	/* everything else happens only if HW was up & running */
 	if (!local->open_count)
 		goto wake_up;
···
 		     "prior to suspend or a hardware issue.\n");
 		return res;
 	}
+
+	/* setup fragmentation threshold */
+	drv_set_frag_threshold(local, hw->wiphy->frag_threshold);
+
+	/* setup RTS threshold */
+	drv_set_rts_threshold(local, hw->wiphy->rts_threshold);
+
+	/* reset coverage class */
+	drv_set_coverage_class(local, hw->wiphy->coverage_class);
 
 	ieee80211_led_radio(local, true);
 	ieee80211_mod_tpt_led_trig(local,

net/nfc/nci/core.c

···
 		if (ndev->supported_rf_interfaces[i] ==
 			NCI_RF_INTERFACE_ISO_DEP) {
 			cfg[*num].rf_protocol = NCI_RF_PROTOCOL_ISO_DEP;
-			cfg[*num].mode = NCI_DISC_MAP_MODE_BOTH;
-			cfg[*num].rf_interface_type = NCI_RF_INTERFACE_ISO_DEP;
+			cfg[*num].mode = NCI_DISC_MAP_MODE_POLL |
+				NCI_DISC_MAP_MODE_LISTEN;
+			cfg[*num].rf_interface = NCI_RF_INTERFACE_ISO_DEP;
 			(*num)++;
 		} else if (ndev->supported_rf_interfaces[i] ==
 			NCI_RF_INTERFACE_NFC_DEP) {
 			cfg[*num].rf_protocol = NCI_RF_PROTOCOL_NFC_DEP;
-			cfg[*num].mode = NCI_DISC_MAP_MODE_BOTH;
-			cfg[*num].rf_interface_type = NCI_RF_INTERFACE_NFC_DEP;
+			cfg[*num].mode = NCI_DISC_MAP_MODE_POLL |
+				NCI_DISC_MAP_MODE_LISTEN;
+			cfg[*num].rf_interface = NCI_RF_INTERFACE_NFC_DEP;
 			(*num)++;
 		}
 
···
 		|| protocols & NFC_PROTO_MIFARE_MASK
 		|| protocols & NFC_PROTO_ISO14443_MASK
 		|| protocols & NFC_PROTO_NFC_DEP_MASK)) {
-		cmd.disc_configs[cmd.num_disc_configs].type =
-		NCI_DISCOVERY_TYPE_POLL_A_PASSIVE;
+		cmd.disc_configs[cmd.num_disc_configs].rf_tech_and_mode =
+		NCI_NFC_A_PASSIVE_POLL_MODE;
 		cmd.disc_configs[cmd.num_disc_configs].frequency = 1;
 		cmd.num_disc_configs++;
 	}
 
 	if ((cmd.num_disc_configs < NCI_MAX_NUM_RF_CONFIGS) &&
 		(protocols & NFC_PROTO_ISO14443_MASK)) {
-		cmd.disc_configs[cmd.num_disc_configs].type =
-		NCI_DISCOVERY_TYPE_POLL_B_PASSIVE;
+		cmd.disc_configs[cmd.num_disc_configs].rf_tech_and_mode =
+		NCI_NFC_B_PASSIVE_POLL_MODE;
 		cmd.disc_configs[cmd.num_disc_configs].frequency = 1;
 		cmd.num_disc_configs++;
 	}
···
 	if ((cmd.num_disc_configs < NCI_MAX_NUM_RF_CONFIGS) &&
 		(protocols & NFC_PROTO_FELICA_MASK
 		|| protocols & NFC_PROTO_NFC_DEP_MASK)) {
-		cmd.disc_configs[cmd.num_disc_configs].type =
-		NCI_DISCOVERY_TYPE_POLL_F_PASSIVE;
+		cmd.disc_configs[cmd.num_disc_configs].rf_tech_and_mode =
+		NCI_NFC_F_PASSIVE_POLL_MODE;
 		cmd.disc_configs[cmd.num_disc_configs].frequency = 1;
 		cmd.num_disc_configs++;
 	}

net/nfc/nci/lib.c

···
 	case NCI_STATUS_NFCEE_TIMEOUT_ERROR:
 		return -ETIMEDOUT;
 
-	case NCI_STATUS_MAX_ACTIVE_NFCEE_INTERFACES_REACHED:
-		return -EDQUOT;
-
 	case NCI_STATUS_FAILED:
 	default:
 		return -ENOSYS;

net/nfc/nci/ntf.c

···
 
 	/* update the credits */
 	for (i = 0; i < ntf->num_entries; i++) {
+		ntf->conn_entries[i].conn_id =
+			nci_conn_id(&ntf->conn_entries[i].conn_id);
+
 		pr_debug("entry[%d]: conn_id %d, credits %d\n",
 			 i, ntf->conn_entries[i].conn_id,
 			 ntf->conn_entries[i].credits);
···
 	/* trigger the next tx */
 	if (!skb_queue_empty(&ndev->tx_q))
 		queue_work(ndev->tx_wq, &ndev->tx_work);
+}
+
+static void nci_core_conn_intf_error_ntf_packet(struct nci_dev *ndev,
+						struct sk_buff *skb)
+{
+	struct nci_core_intf_error_ntf *ntf = (void *) skb->data;
+
+	ntf->conn_id = nci_conn_id(&ntf->conn_id);
+
+	pr_debug("status 0x%x, conn_id %d\n", ntf->status, ntf->conn_id);
+
+	/* complete the data exchange transaction, if exists */
+	if (test_bit(NCI_DATA_EXCHANGE, &ndev->flags))
+		nci_data_exchange_complete(ndev, NULL, -EIO);
 }
 
 static __u8 *nci_extract_rf_params_nfca_passive_poll(struct nci_dev *ndev,
···
 
 	nfc_tgt.sens_res = ntf->rf_tech_specific_params.nfca_poll.sens_res;
 	nfc_tgt.sel_res = ntf->rf_tech_specific_params.nfca_poll.sel_res;
+	nfc_tgt.nfcid1_len = ntf->rf_tech_specific_params.nfca_poll.nfcid1_len;
+	if (nfc_tgt.nfcid1_len > 0) {
+		memcpy(nfc_tgt.nfcid1,
+			ntf->rf_tech_specific_params.nfca_poll.nfcid1,
+			nfc_tgt.nfcid1_len);
+	}
 
 	if (!(nfc_tgt.supported_protocols & ndev->poll_prots)) {
 		pr_debug("the target found does not have the desired protocol\n");
···
 		 nfc_tgt.supported_protocols);
 
 	ndev->target_available_prots = nfc_tgt.supported_protocols;
+	ndev->max_data_pkt_payload_size = ntf->max_data_pkt_payload_size;
+	ndev->initial_num_credits = ntf->initial_num_credits;
+
+	/* set the available credits to initial value */
+	atomic_set(&ndev->credits_cnt, ndev->initial_num_credits);
 
 	nfc_targets_found(ndev->nfc_dev, &nfc_tgt, 1);
 }
···
 	set_bit(NCI_POLL_ACTIVE, &ndev->flags);
 
 	ntf.rf_discovery_id = *data++;
-	ntf.rf_interface_type = *data++;
+	ntf.rf_interface = *data++;
 	ntf.rf_protocol = *data++;
 	ntf.activation_rf_tech_and_mode = *data++;
+	ntf.max_data_pkt_payload_size = *data++;
+	ntf.initial_num_credits = *data++;
 	ntf.rf_tech_specific_params_len = *data++;
 
 	pr_debug("rf_discovery_id %d\n", ntf.rf_discovery_id);
-	pr_debug("rf_interface_type 0x%x\n", ntf.rf_interface_type);
+	pr_debug("rf_interface 0x%x\n", ntf.rf_interface);
 	pr_debug("rf_protocol 0x%x\n", ntf.rf_protocol);
 	pr_debug("activation_rf_tech_and_mode 0x%x\n",
 		 ntf.activation_rf_tech_and_mode);
+	pr_debug("max_data_pkt_payload_size 0x%x\n",
+		 ntf.max_data_pkt_payload_size);
+	pr_debug("initial_num_credits 0x%x\n", ntf.initial_num_credits);
 	pr_debug("rf_tech_specific_params_len %d\n",
 		 ntf.rf_tech_specific_params_len);
 
···
 		 ntf.activation_params_len);
 
 	if (ntf.activation_params_len > 0) {
-		switch (ntf.rf_interface_type) {
+		switch (ntf.rf_interface) {
 		case NCI_RF_INTERFACE_ISO_DEP:
 			err = nci_extract_activation_params_iso_dep(ndev,
 				&ntf, data);
···
 			break;
 
 		default:
-			pr_err("unsupported rf_interface_type 0x%x\n",
-			       ntf.rf_interface_type);
+			pr_err("unsupported rf_interface 0x%x\n",
+			       ntf.rf_interface);
 			return;
 		}
 	}
···
 		ndev->rx_data_reassembly = 0;
 	}
 
-	/* set the available credits to initial value */
-	atomic_set(&ndev->credits_cnt, ndev->initial_num_credits);
-
 	/* complete the data exchange transaction, if exists */
 	if (test_bit(NCI_DATA_EXCHANGE, &ndev->flags))
 		nci_data_exchange_complete(ndev, NULL, -EIO);
···
 	switch (ntf_opcode) {
 	case NCI_OP_CORE_CONN_CREDITS_NTF:
 		nci_core_conn_credits_ntf_packet(ndev, skb);
+		break;
+
+	case NCI_OP_CORE_INTF_ERROR_NTF:
+		nci_core_conn_intf_error_ntf_packet(ndev, skb);
 		break;
 
 	case NCI_OP_RF_INTF_ACTIVATED_NTF:

net/nfc/nci/rsp.c

···
 		rsp_2->max_ctrl_pkt_payload_len;
 	ndev->max_size_for_large_params =
 		__le16_to_cpu(rsp_2->max_size_for_large_params);
-	ndev->max_data_pkt_payload_size =
-		rsp_2->max_data_pkt_payload_size;
-	ndev->initial_num_credits =
-		rsp_2->initial_num_credits;
 	ndev->manufact_id =
 		rsp_2->manufact_id;
 	ndev->manufact_specific_info =
 		__le32_to_cpu(rsp_2->manufact_specific_info);
-
-	atomic_set(&ndev->credits_cnt, ndev->initial_num_credits);
 
 	pr_debug("nfcc_features 0x%x\n",
 		 ndev->nfcc_features);
···
 		 ndev->max_ctrl_pkt_payload_len);
 	pr_debug("max_size_for_large_params %d\n",
 		 ndev->max_size_for_large_params);
-	pr_debug("max_data_pkt_payload_size %d\n",
-		 ndev->max_data_pkt_payload_size);
-	pr_debug("initial_num_credits %d\n",
-		 ndev->initial_num_credits);
 	pr_debug("manufact_id 0x%x\n",
 		 ndev->manufact_id);
 	pr_debug("manufact_specific_info 0x%x\n",

net/nfc/netlink.c

···
 				target->supported_protocols);
 	NLA_PUT_U16(msg, NFC_ATTR_TARGET_SENS_RES, target->sens_res);
 	NLA_PUT_U8(msg, NFC_ATTR_TARGET_SEL_RES, target->sel_res);
+	if (target->nfcid1_len > 0)
+		NLA_PUT(msg, NFC_ATTR_TARGET_NFCID1, target->nfcid1_len,
+				target->nfcid1);
 
 	return genlmsg_end(msg, hdr);
 

net/rfkill/rfkill-gpio.c

···
 		ret = pdata->gpio_runtime_setup(pdev);
 		if (ret) {
 			pr_warn("%s: can't set up gpio\n", __func__);
-			return ret;
+			goto fail_alloc;
 		}
 	}
 

net/wireless/genregdb.awk

···
 #
 # Copyright 2009 John W. Linville <[e-mail]>
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
 #
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
 BEGIN {
 	active = 0

net/wireless/reg.c

···
  * Copyright 2002-2005, Instant802 Networks, Inc.
  * Copyright 2005-2006, Devicescape Software, Inc.
  * Copyright 2007	Johannes Berg <[e-mail]>
- * Copyright 2008	Luis R. Rodriguez <[e-mail]>
+ * Copyright 2008-2011	Luis R. Rodriguez <[e-mail]>
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
+
 
 /**
  * DOC: Wireless regulatory infrastructure
···
 }
 
 /* This processes *all* regulatory hints */
-static void reg_process_hint(struct regulatory_request *reg_request)
+static void reg_process_hint(struct regulatory_request *reg_request,
+			     enum nl80211_reg_initiator reg_initiator)
 {
 	int r = 0;
 	struct wiphy *wiphy = NULL;
-	enum nl80211_reg_initiator initiator = reg_request->initiator;
 
 	BUG_ON(!reg_request->alpha2);
 
 	if (wiphy_idx_valid(reg_request->wiphy_idx))
 		wiphy = wiphy_idx_to_wiphy(reg_request->wiphy_idx);
 
-	if (reg_request->initiator == NL80211_REGDOM_SET_BY_DRIVER &&
+	if (reg_initiator == NL80211_REGDOM_SET_BY_DRIVER &&
 	    !wiphy) {
 		kfree(reg_request);
 		return;
···
 	/* This is required so that the orig_* parameters are saved */
 	if (r == -EALREADY && wiphy &&
 	    wiphy->flags & WIPHY_FLAG_STRICT_REGULATORY) {
-		wiphy_update_regulatory(wiphy, initiator);
+		wiphy_update_regulatory(wiphy, reg_initiator);
 		return;
 	}
 
···
 	 * source of bogus requests.
 	 */
 	if (r != -EALREADY &&
-	    reg_request->initiator == NL80211_REGDOM_SET_BY_USER)
+	    reg_initiator == NL80211_REGDOM_SET_BY_USER)
 		schedule_delayed_work(&reg_timeout, msecs_to_jiffies(3142));
 }
 
···
 
 	spin_unlock(&reg_requests_lock);
 
-	reg_process_hint(reg_request);
+	reg_process_hint(reg_request, reg_request->initiator);
 
 out:
 	mutex_unlock(&reg_mutex);
···
 static void restore_regulatory_settings(bool reset_user)
 {
 	char alpha2[2];
+	char world_alpha2[2];
 	struct reg_beacon *reg_beacon, *btmp;
 	struct regulatory_request *reg_request, *tmp;
 	LIST_HEAD(tmp_reg_req_list);
···
 
 	/* First restore to the basic regulatory settings */
 	cfg80211_regdomain = cfg80211_world_regdom;
+	world_alpha2[0] = cfg80211_regdomain->alpha2[0];
+	world_alpha2[1] = cfg80211_regdomain->alpha2[1];
 
 	list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
 		if (rdev->wiphy.flags & WIPHY_FLAG_CUSTOM_REGULATORY)
···
 	mutex_unlock(&reg_mutex);
 	mutex_unlock(&cfg80211_mutex);
 
-	regulatory_hint_core(cfg80211_regdomain->alpha2);
+	regulatory_hint_core(world_alpha2);
 
 	/*
 	 * This restores the ieee80211_regdom module parameter
···
 	const struct ieee80211_freq_range *freq_range = NULL;
 	const struct ieee80211_power_rule *power_rule = NULL;
 
-	pr_info("    (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)\n");
+	pr_info("  (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)\n");
 
 	for (i = 0; i < rd->n_reg_rules; i++) {
 		reg_rule = &rd->reg_rules[i];
···
 		 * in certain regions
 		 */
 		if (power_rule->max_antenna_gain)
-			pr_info("    (%d KHz - %d KHz @ %d KHz), (%d mBi, %d mBm)\n",
+			pr_info("  (%d KHz - %d KHz @ %d KHz), (%d mBi, %d mBm)\n",
 				freq_range->start_freq_khz,
 				freq_range->end_freq_khz,
 				freq_range->max_bandwidth_khz,
 				power_rule->max_antenna_gain,
 				power_rule->max_eirp);
 		else
-			pr_info("    (%d KHz - %d KHz @ %d KHz), (N/A, %d mBm)\n",
+			pr_info("  (%d KHz - %d KHz @ %d KHz), (N/A, %d mBm)\n",
 				freq_range->start_freq_khz,
 				freq_range->end_freq_khz,
 				freq_range->max_bandwidth_khz,

net/wireless/reg.h

···
 #ifndef __NET_WIRELESS_REG_H
 #define __NET_WIRELESS_REG_H
+/*
+ * Copyright 2008-2011	Luis R. Rodriguez <[e-mail]>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
 
 extern const struct ieee80211_regdomain *cfg80211_regdomain;
 

net/wireless/regdb.h

···
 #ifndef __REGDB_H__
 #define __REGDB_H__
 
+/*
+ * Copyright 2009 John W. Linville <[e-mail]>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
 extern const struct ieee80211_regdomain *reg_regdb[];
 extern int reg_regdb_size;
 

net/wireless/util.c

···
 #include <linux/slab.h>
 #include <net/cfg80211.h>
 #include <net/ip.h>
+#include <net/dsfield.h>
 #include "core.h"
 
 struct ieee80211_rate *
···
 
 	switch (skb->protocol) {
 	case htons(ETH_P_IP):
-		dscp = ip_hdr(skb)->tos & 0xfc;
+		dscp = ipv4_get_dsfield(ip_hdr(skb)) & 0xfc;
+		break;
+	case htons(ETH_P_IPV6):
+		dscp = ipv6_get_dsfield(ipv6_hdr(skb)) & 0xfc;
 		break;
 	default:
 		return 0;