Merge branch 'master' into for-davem

Conflicts:
	drivers/net/wireless/iwlwifi/iwl-testmode.c
	net/wireless/nl80211.c

Documentation/DocBook/80211.tmpl

@@ -516,7 +516,7 @@
 !Finclude/net/mac80211.h ieee80211_start_tx_ba_cb_irqsafe
 !Finclude/net/mac80211.h ieee80211_stop_tx_ba_session
 !Finclude/net/mac80211.h ieee80211_stop_tx_ba_cb_irqsafe
-!Finclude/net/mac80211.h rate_control_changed
+!Finclude/net/mac80211.h ieee80211_rate_control_changed
 !Finclude/net/mac80211.h ieee80211_tx_rate_control
 !Finclude/net/mac80211.h rate_control_send_low
       </chapter>

Documentation/networking/mac80211-auth-assoc-deauth.txt

@@ -23,7 +23,7 @@ BA session stop & deauth/disassoc frames
 end note
 end
 
-mac80211->driver: config(channel, non-HT)
+mac80211->driver: config(channel, channel type)
 mac80211->driver: bss_info_changed(set BSSID, basic rate bitmap)
 mac80211->driver: sta_state(AP, exists)
 
@@ -51,7 +51,7 @@ note over mac80211,driver: cleanup like for authenticate
 end
 
 alt not previously authenticated (FT)
-mac80211->driver: config(channel, non-HT)
+mac80211->driver: config(channel, channel type)
 mac80211->driver: bss_info_changed(set BSSID, basic rate bitmap)
 mac80211->driver: sta_state(AP, exists)
 mac80211->driver: sta_state(AP, authenticated)
@@ -67,10 +67,6 @@ end
 
 mac80211->driver: set up QoS parameters
 
-alt is HT channel
-mac80211->driver: config(channel, HT params)
-end
-
 mac80211->driver: bss_info_changed(QoS, HT, associated with AID)
 mac80211->userspace: associated
 
@@ -95,5 +91,5 @@ mac80211->driver: sta_state(AP,exists)
 mac80211->driver: sta_state(AP,not-exists)
 mac80211->driver: turn off powersave
 mac80211->driver: bss_info_changed(clear BSSID, not associated, no QoS, ...)
-mac80211->driver: config(non-HT channel type)
+mac80211->driver: config(channel type to non-HT)
 mac80211->userspace: disconnected

MAINTAINERS

@@ -1522,8 +1522,8 @@ M:	Gustavo Padovan <gustavo@padovan.org>
 M:	Johan Hedberg <johan.hedberg@gmail.com>
 L:	linux-bluetooth@vger.kernel.org
 W:	http://www.bluez.org/
-T:	git git://git.kernel.org/pub/scm/linux/kernel/git/padovan/bluetooth.git
-T:	git git://git.kernel.org/pub/scm/linux/kernel/git/jh/bluetooth.git
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth.git
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git
 S:	Maintained
 F:	drivers/bluetooth/
 
@@ -1533,8 +1533,8 @@ M:	Gustavo Padovan <gustavo@padovan.org>
 M:	Johan Hedberg <johan.hedberg@gmail.com>
 L:	linux-bluetooth@vger.kernel.org
 W:	http://www.bluez.org/
-T:	git git://git.kernel.org/pub/scm/linux/kernel/git/padovan/bluetooth.git
-T:	git git://git.kernel.org/pub/scm/linux/kernel/git/jh/bluetooth.git
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth.git
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git
 S:	Maintained
 F:	net/bluetooth/
 F:	include/net/bluetooth/

drivers/bcma/Kconfig

@@ -29,7 +29,7 @@ config BCMA_HOST_PCI
 
 config BCMA_DRIVER_PCI_HOSTMODE
 	bool "Driver for PCI core working in hostmode"
-	depends on BCMA && MIPS
+	depends on BCMA && MIPS && BCMA_HOST_PCI
 	help
 	  PCI core hostmode operation (external PCI bus).
 

drivers/bcma/driver_pci_host.c

@@ -10,6 +10,7 @@
  */
 
 #include "bcma_private.h"
+#include <linux/pci.h>
 #include <linux/export.h>
 #include <linux/bcma/bcma.h>
 #include <asm/paccess.h>

drivers/bluetooth/ath3k.c

@@ -72,7 +72,9 @@ static struct usb_device_id ath3k_table[] = {
 
 	/* Atheros AR3012 with sflash firmware*/
 	{ USB_DEVICE(0x0CF3, 0x3004) },
+	{ USB_DEVICE(0x0CF3, 0x311D) },
 	{ USB_DEVICE(0x13d3, 0x3375) },
+	{ USB_DEVICE(0x04CA, 0x3005) },
 
 	/* Atheros AR5BBU12 with sflash firmware */
 	{ USB_DEVICE(0x0489, 0xE02C) },
@@ -89,7 +91,9 @@ static struct usb_device_id ath3k_blist_tbl[] = {
 
 	/* Atheros AR3012 with sflash firmware*/
 	{ USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x0cf3, 0x311D), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
 
 	{ }	/* Terminating entry */
 };

drivers/bluetooth/btusb.c

@@ -61,7 +61,7 @@ static struct usb_device_id btusb_table[] = {
 	{ USB_DEVICE_INFO(0xe0, 0x01, 0x01) },
 
 	/* Broadcom SoftSailing reporting vendor specific */
-	{ USB_DEVICE(0x05ac, 0x21e1) },
+	{ USB_DEVICE(0x0a5c, 0x21e1) },
 
 	/* Apple MacBookPro 7,1 */
 	{ USB_DEVICE(0x05ac, 0x8213) },
@@ -103,6 +103,7 @@ static struct usb_device_id btusb_table[] = {
 	/* Broadcom BCM20702A0 */
 	{ USB_DEVICE(0x0a5c, 0x21e3) },
 	{ USB_DEVICE(0x0a5c, 0x21e6) },
+	{ USB_DEVICE(0x0a5c, 0x21e8) },
 	{ USB_DEVICE(0x0a5c, 0x21f3) },
 	{ USB_DEVICE(0x413c, 0x8197) },
 
@@ -129,7 +130,9 @@ static struct usb_device_id blacklist_table[] = {
 
 	/* Atheros 3012 with sflash firmware */
 	{ USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
 
 	/* Atheros AR5BBU12 with sflash firmware */
 	{ USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },

drivers/bluetooth/hci_ldisc.c

@@ -299,11 +299,11 @@ static void hci_uart_tty_close(struct tty_struct *tty)
 			hci_uart_close(hdev);
 
 		if (test_and_clear_bit(HCI_UART_PROTO_SET, &hu->flags)) {
-			hu->proto->close(hu);
 			if (hdev) {
 				hci_unregister_dev(hdev);
 				hci_free_dev(hdev);
 			}
+			hu->proto->close(hu);
 		}
 
 		kfree(hu);

drivers/net/wireless/ath/ath5k/ani.c

@@ -14,6 +14,8 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include "ath5k.h"
 #include "reg.h"
 #include "debug.h"
@@ -728,33 +730,25 @@ void
 ath5k_ani_print_counters(struct ath5k_hw *ah)
 {
 	/* clears too */
-	printk(KERN_NOTICE "ACK fail\t%d\n",
-		ath5k_hw_reg_read(ah, AR5K_ACK_FAIL));
-	printk(KERN_NOTICE "RTS fail\t%d\n",
-		ath5k_hw_reg_read(ah, AR5K_RTS_FAIL));
-	printk(KERN_NOTICE "RTS success\t%d\n",
-		ath5k_hw_reg_read(ah, AR5K_RTS_OK));
-	printk(KERN_NOTICE "FCS error\t%d\n",
-		ath5k_hw_reg_read(ah, AR5K_FCS_FAIL));
+	pr_notice("ACK fail\t%d\n", ath5k_hw_reg_read(ah, AR5K_ACK_FAIL));
+	pr_notice("RTS fail\t%d\n", ath5k_hw_reg_read(ah, AR5K_RTS_FAIL));
+	pr_notice("RTS success\t%d\n", ath5k_hw_reg_read(ah, AR5K_RTS_OK));
+	pr_notice("FCS error\t%d\n", ath5k_hw_reg_read(ah, AR5K_FCS_FAIL));
 
 	/* no clear */
-	printk(KERN_NOTICE "tx\t%d\n",
-		ath5k_hw_reg_read(ah, AR5K_PROFCNT_TX));
-	printk(KERN_NOTICE "rx\t%d\n",
-		ath5k_hw_reg_read(ah, AR5K_PROFCNT_RX));
-	printk(KERN_NOTICE "busy\t%d\n",
-		ath5k_hw_reg_read(ah, AR5K_PROFCNT_RXCLR));
-	printk(KERN_NOTICE "cycles\t%d\n",
-		ath5k_hw_reg_read(ah, AR5K_PROFCNT_CYCLE));
-
-	printk(KERN_NOTICE "AR5K_PHYERR_CNT1\t%d\n",
-		ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT1));
-	printk(KERN_NOTICE "AR5K_PHYERR_CNT2\t%d\n",
-		ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT2));
-	printk(KERN_NOTICE "AR5K_OFDM_FIL_CNT\t%d\n",
-		ath5k_hw_reg_read(ah, AR5K_OFDM_FIL_CNT));
-	printk(KERN_NOTICE "AR5K_CCK_FIL_CNT\t%d\n",
-		ath5k_hw_reg_read(ah, AR5K_CCK_FIL_CNT));
+	pr_notice("tx\t%d\n", ath5k_hw_reg_read(ah, AR5K_PROFCNT_TX));
+	pr_notice("rx\t%d\n", ath5k_hw_reg_read(ah, AR5K_PROFCNT_RX));
+	pr_notice("busy\t%d\n", ath5k_hw_reg_read(ah, AR5K_PROFCNT_RXCLR));
+	pr_notice("cycles\t%d\n", ath5k_hw_reg_read(ah, AR5K_PROFCNT_CYCLE));
+
+	pr_notice("AR5K_PHYERR_CNT1\t%d\n",
+		  ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT1));
+	pr_notice("AR5K_PHYERR_CNT2\t%d\n",
+		  ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT2));
+	pr_notice("AR5K_OFDM_FIL_CNT\t%d\n",
+		  ath5k_hw_reg_read(ah, AR5K_OFDM_FIL_CNT));
+	pr_notice("AR5K_CCK_FIL_CNT\t%d\n",
+		  ath5k_hw_reg_read(ah, AR5K_CCK_FIL_CNT));
 }
 
 #endif

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

@@ -76,26 +76,29 @@
   GENERIC DRIVER DEFINITIONS
 \****************************/
 
-#define ATH5K_PRINTF(fmt, ...) \
-	printk(KERN_WARNING "%s: " fmt, __func__, ##__VA_ARGS__)
+#define ATH5K_PRINTF(fmt, ...)						\
+	pr_warn("%s: " fmt, __func__, ##__VA_ARGS__)
 
-#define ATH5K_PRINTK(_sc, _level, _fmt, ...) \
-	printk(_level "ath5k %s: " _fmt, \
-		((_sc) && (_sc)->hw) ? wiphy_name((_sc)->hw->wiphy) : "", \
-		##__VA_ARGS__)
+void __printf(3, 4)
+_ath5k_printk(const struct ath5k_hw *ah, const char *level,
+	      const char *fmt, ...);
 
-#define ATH5K_PRINTK_LIMIT(_sc, _level, _fmt, ...) do { \
-	if (net_ratelimit()) \
-		ATH5K_PRINTK(_sc, _level, _fmt, ##__VA_ARGS__); \
-	} while (0)
+#define ATH5K_PRINTK(_sc, _level, _fmt, ...)				\
+	_ath5k_printk(_sc, _level, _fmt, ##__VA_ARGS__)
 
-#define ATH5K_INFO(_sc, _fmt, ...) \
+#define ATH5K_PRINTK_LIMIT(_sc, _level, _fmt, ...)			\
+do {									\
+	if (net_ratelimit())						\
+		ATH5K_PRINTK(_sc, _level, _fmt, ##__VA_ARGS__); 	\
+} while (0)
+
+#define ATH5K_INFO(_sc, _fmt, ...)					\
 	ATH5K_PRINTK(_sc, KERN_INFO, _fmt, ##__VA_ARGS__)
 
-#define ATH5K_WARN(_sc, _fmt, ...) \
+#define ATH5K_WARN(_sc, _fmt, ...)					\
 	ATH5K_PRINTK_LIMIT(_sc, KERN_WARNING, _fmt, ##__VA_ARGS__)
 
-#define ATH5K_ERR(_sc, _fmt, ...) \
+#define ATH5K_ERR(_sc, _fmt, ...)					\
 	ATH5K_PRINTK_LIMIT(_sc, KERN_ERR, _fmt, ##__VA_ARGS__)
 
 /*

drivers/net/wireless/ath/ath5k/attach.c

@@ -20,6 +20,8 @@
 * Attach/Detach Functions and helpers *
 \*************************************/
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/pci.h>
 #include <linux/slab.h>
 #include "ath5k.h"

drivers/net/wireless/ath/ath5k/base.c

@@ -40,6 +40,8 @@
  *
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/module.h>
 #include <linux/delay.h>
 #include <linux/dma-mapping.h>
@@ -3038,3 +3040,23 @@ ath5k_set_beacon_filter(struct ieee80211_hw *hw, bool enable)
 	ath5k_hw_set_rx_filter(ah, rfilt);
 	ah->filter_flags = rfilt;
 }
+
+void _ath5k_printk(const struct ath5k_hw *ah, const char *level,
+		   const char *fmt, ...)
+{
+	struct va_format vaf;
+	va_list args;
+
+	va_start(args, fmt);
+
+	vaf.fmt = fmt;
+	vaf.va = &args;
+
+	if (ah && ah->hw)
+		printk("%s" pr_fmt("%s: %pV"),
+		       level, wiphy_name(ah->hw->wiphy), &vaf);
+	else
+		printk("%s" pr_fmt("%pV"), level, &vaf);
+
+	va_end(args);
+}

drivers/net/wireless/ath/ath5k/debug.c

@@ -57,6 +57,9 @@
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  * THE POSSIBILITY OF SUCH DAMAGES.
  */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/export.h>
 #include <linux/moduleparam.h>
 
@@ -247,10 +250,10 @@ static ssize_t write_file_beacon(struct file *file,
 
 	if (strncmp(buf, "disable", 7) == 0) {
 		AR5K_REG_DISABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE);
-		printk(KERN_INFO "debugfs disable beacons\n");
+		pr_info("debugfs disable beacons\n");
 	} else if (strncmp(buf, "enable", 6) == 0) {
 		AR5K_REG_ENABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE);
-		printk(KERN_INFO "debugfs enable beacons\n");
+		pr_info("debugfs enable beacons\n");
 	}
 	return count;
 }
@@ -450,19 +453,19 @@ static ssize_t write_file_antenna(struct file *file,
 
 	if (strncmp(buf, "diversity", 9) == 0) {
 		ath5k_hw_set_antenna_mode(ah, AR5K_ANTMODE_DEFAULT);
-		printk(KERN_INFO "ath5k debug: enable diversity\n");
+		pr_info("debug: enable diversity\n");
 	} else if (strncmp(buf, "fixed-a", 7) == 0) {
 		ath5k_hw_set_antenna_mode(ah, AR5K_ANTMODE_FIXED_A);
-		printk(KERN_INFO "ath5k debugfs: fixed antenna A\n");
+		pr_info("debug: fixed antenna A\n");
 	} else if (strncmp(buf, "fixed-b", 7) == 0) {
 		ath5k_hw_set_antenna_mode(ah, AR5K_ANTMODE_FIXED_B);
-		printk(KERN_INFO "ath5k debug: fixed antenna B\n");
+		pr_info("debug: fixed antenna B\n");
 	} else if (strncmp(buf, "clear", 5) == 0) {
 		for (i = 0; i < ARRAY_SIZE(ah->stats.antenna_rx); i++) {
 			ah->stats.antenna_rx[i] = 0;
 			ah->stats.antenna_tx[i] = 0;
 		}
-		printk(KERN_INFO "ath5k debug: cleared antenna stats\n");
+		pr_info("debug: cleared antenna stats\n");
 	}
 	return count;
 }
@@ -632,7 +635,7 @@ static ssize_t write_file_frameerrors(struct file *file,
 		st->txerr_fifo = 0;
 		st->txerr_filt = 0;
 		st->tx_all_count = 0;
-		printk(KERN_INFO "ath5k debug: cleared frameerrors stats\n");
+		pr_info("debug: cleared frameerrors stats\n");
 	}
 	return count;
 }

drivers/net/wireless/ath/ath5k/desc.c

@@ -21,6 +21,8 @@
  Hardware Descriptor Functions
 \******************************/
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include "ath5k.h"
 #include "reg.h"
 #include "debug.h"
@@ -441,10 +443,8 @@ ath5k_hw_proc_2word_tx_status(struct ath5k_hw *ah,
 				struct ath5k_desc *desc,
 				struct ath5k_tx_status *ts)
 {
-	struct ath5k_hw_2w_tx_ctl *tx_ctl;
 	struct ath5k_hw_tx_status *tx_status;
 
-	tx_ctl = &desc->ud.ds_tx5210.tx_ctl;
 	tx_status = &desc->ud.ds_tx5210.tx_stat;
 
 	/* No frame has been send or error */
@@ -495,11 +495,9 @@ ath5k_hw_proc_4word_tx_status(struct ath5k_hw *ah,
 				struct ath5k_desc *desc,
 				struct ath5k_tx_status *ts)
 {
-	struct ath5k_hw_4w_tx_ctl *tx_ctl;
 	struct ath5k_hw_tx_status *tx_status;
 	u32 txstat0, txstat1;
 
-	tx_ctl = &desc->ud.ds_tx5212.tx_ctl;
 	tx_status = &desc->ud.ds_tx5212.tx_stat;
 
 	txstat1 = ACCESS_ONCE(tx_status->tx_status_1);

drivers/net/wireless/ath/ath5k/dma.c

@@ -29,6 +29,8 @@
  * status registers (ISR).
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include "ath5k.h"
 #include "reg.h"
 #include "debug.h"

drivers/net/wireless/ath/ath5k/eeprom.c

@@ -21,6 +21,8 @@
 * EEPROM access functions and helpers *
 \*************************************/
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/slab.h>
 
 #include "ath5k.h"

drivers/net/wireless/ath/ath5k/initvals.c

@@ -19,6 +19,8 @@
  *
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include "ath5k.h"
 #include "reg.h"
 #include "debug.h"
@@ -1574,8 +1576,7 @@ ath5k_hw_write_initvals(struct ath5k_hw *ah, u8 mode, bool skip_pcu)
 
 		/* AR5K_MODE_11B */
 		if (mode > 2) {
-			ATH5K_ERR(ah,
-				"unsupported channel mode: %d\n", mode);
+			ATH5K_ERR(ah, "unsupported channel mode: %d\n", mode);
 			return -EINVAL;
 		}
 

drivers/net/wireless/ath/ath5k/led.c

@@ -39,6 +39,8 @@
  *
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/pci.h>
 #include "ath5k.h"
 

drivers/net/wireless/ath/ath5k/mac80211-ops.c

@@ -41,6 +41,8 @@
  *
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <net/mac80211.h>
 #include <asm/unaligned.h>
 

drivers/net/wireless/ath/ath5k/pci.c

@@ -14,6 +14,8 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/nl80211.h>
 #include <linux/pci.h>
 #include <linux/pci-aspm.h>
@@ -347,7 +349,7 @@ init_ath5k_pci(void)
 
 	ret = pci_register_driver(&ath5k_pci_driver);
 	if (ret) {
-		printk(KERN_ERR "ath5k_pci: can't register pci driver\n");
+		pr_err("pci: can't register pci driver\n");
 		return ret;
 	}
 

drivers/net/wireless/ath/ath5k/phy.c

@@ -22,6 +22,8 @@
 * PHY related functions *
 \***********************/
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/delay.h>
 #include <linux/slab.h>
 #include <asm/unaligned.h>

drivers/net/wireless/ath/ath5k/qcu.c

@@ -20,6 +20,8 @@
 Queue Control Unit, DCF Control Unit Functions
 \********************************************/
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include "ath5k.h"
 #include "reg.h"
 #include "debug.h"

drivers/net/wireless/ath/ath5k/reset.c

@@ -23,6 +23,8 @@
   Reset function and helpers
 \****************************/
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <asm/unaligned.h>
 
 #include <linux/pci.h>		/* To determine if a card is pci-e */

drivers/net/wireless/ath/ath5k/sysfs.c

@@ -1,3 +1,5 @@
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/device.h>
 #include <linux/pci.h>
 

drivers/net/wireless/ath/ath6kl/cfg80211.c

@@ -15,6 +15,8 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/moduleparam.h>
 #include <linux/inetdevice.h>
 #include <linux/export.h>

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

@@ -16,6 +16,8 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/moduleparam.h>
 #include <linux/errno.h>
 #include <linux/export.h>

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

@@ -15,6 +15,8 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include "core.h"
 #include "hif-ops.h"
 #include "cfg80211.h"

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

@@ -15,6 +15,8 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include "core.h"
 #include "debug.h"
 

drivers/net/wireless/ath/ath9k/Makefile

@@ -11,7 +11,10 @@ ath9k-$(CONFIG_ATH9K_PCI) += pci.o
 ath9k-$(CONFIG_ATH9K_AHB) += ahb.o
 ath9k-$(CONFIG_ATH9K_DEBUGFS) += debug.o
 ath9k-$(CONFIG_ATH9K_DFS_DEBUGFS) += dfs_debug.o
-ath9k-$(CONFIG_ATH9K_DFS_CERTIFIED) += dfs.o
+ath9k-$(CONFIG_ATH9K_DFS_CERTIFIED) += \
+		dfs.o \
+		dfs_pattern_detector.o \
+		dfs_pri_detector.o
 
 obj-$(CONFIG_ATH9K) += ath9k.o
 

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

@@ -46,8 +46,8 @@ static const struct ani_ofdm_level_entry ofdm_level_table[] = {
 	{  5,  4,  1  }, /* lvl 5 */
 	{  6,  5,  1  }, /* lvl 6 */
 	{  7,  6,  1  }, /* lvl 7 */
-	{  7,  7,  1  }, /* lvl 8 */
-	{  7,  8,  0  }  /* lvl 9 */
+	{  7,  6,  0  }, /* lvl 8 */
+	{  7,  7,  0  }  /* lvl 9 */
 };
 #define ATH9K_ANI_OFDM_NUM_LEVEL \
 	ARRAY_SIZE(ofdm_level_table)
@@ -91,8 +91,8 @@ static const struct ani_cck_level_entry cck_level_table[] = {
 	{  4,  0  }, /* lvl 4 */
 	{  5,  0  }, /* lvl 5 */
 	{  6,  0  }, /* lvl 6 */
-	{  7,  0  }, /* lvl 7 (only for high rssi) */
-	{  8,  0  }  /* lvl 8 (only for high rssi) */
+	{  6,  0  }, /* lvl 7 (only for high rssi) */
+	{  7,  0  }  /* lvl 8 (only for high rssi) */
 };
 
 #define ATH9K_ANI_CCK_NUM_LEVEL \
@@ -290,16 +290,9 @@ static void ath9k_hw_set_ofdm_nil(struct ath_hw *ah, u8 immunityLevel)
 				     ATH9K_ANI_FIRSTEP_LEVEL,
 				     entry_ofdm->fir_step_level);
 
-	if ((ah->opmode != NL80211_IFTYPE_STATION &&
-	     ah->opmode != NL80211_IFTYPE_ADHOC) ||
-	    aniState->noiseFloor <= aniState->rssiThrHigh) {
-		if (aniState->ofdmWeakSigDetectOff)
-			/* force on ofdm weak sig detect */
-			ath9k_hw_ani_control(ah,
-				ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
-					     true);
-		else if (aniState->ofdmWeakSigDetectOff ==
-			 entry_ofdm->ofdm_weak_signal_on)
+	if ((aniState->noiseFloor >= aniState->rssiThrHigh) &&
+	    (!aniState->ofdmWeakSigDetectOff !=
+	     entry_ofdm->ofdm_weak_signal_on)) {
 			ath9k_hw_ani_control(ah,
 				ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
 				entry_ofdm->ofdm_weak_signal_on);
@@ -717,26 +710,30 @@ void ath9k_hw_ani_monitor(struct ath_hw *ah, struct ath9k_channel *chan)
 		ofdmPhyErrRate, aniState->cckNoiseImmunityLevel,
 		cckPhyErrRate, aniState->ofdmsTurn);
 
-	if (aniState->listenTime > 5 * ah->aniperiod) {
-		if (ofdmPhyErrRate <= ah->config.ofdm_trig_low &&
-		    cckPhyErrRate <= ah->config.cck_trig_low) {
+	if (aniState->listenTime > ah->aniperiod) {
+		if (cckPhyErrRate < ah->config.cck_trig_low &&
+		    ((ofdmPhyErrRate < ah->config.ofdm_trig_low &&
+		      aniState->ofdmNoiseImmunityLevel <
+		      ATH9K_ANI_OFDM_DEF_LEVEL) ||
+		     (ofdmPhyErrRate < ATH9K_ANI_OFDM_TRIG_LOW_ABOVE_INI &&
+		      aniState->ofdmNoiseImmunityLevel >=
+		      ATH9K_ANI_OFDM_DEF_LEVEL))) {
 			ath9k_hw_ani_lower_immunity(ah);
 			aniState->ofdmsTurn = !aniState->ofdmsTurn;
-		}
-		ath9k_ani_restart(ah);
-	} else if (aniState->listenTime > ah->aniperiod) {
-		/* check to see if need to raise immunity */
-		if (ofdmPhyErrRate > ah->config.ofdm_trig_high &&
-		    (cckPhyErrRate <= ah->config.cck_trig_high ||
-		     aniState->ofdmsTurn)) {
+		} else if ((ofdmPhyErrRate > ah->config.ofdm_trig_high &&
+			    aniState->ofdmNoiseImmunityLevel >=
+			    ATH9K_ANI_OFDM_DEF_LEVEL) ||
+			   (ofdmPhyErrRate >
+			    ATH9K_ANI_OFDM_TRIG_HIGH_BELOW_INI &&
+			    aniState->ofdmNoiseImmunityLevel <
+			    ATH9K_ANI_OFDM_DEF_LEVEL)) {
 			ath9k_hw_ani_ofdm_err_trigger(ah);
-			ath9k_ani_restart(ah);
 			aniState->ofdmsTurn = false;
 		} else if (cckPhyErrRate > ah->config.cck_trig_high) {
 			ath9k_hw_ani_cck_err_trigger(ah);
-			ath9k_ani_restart(ah);
 			aniState->ofdmsTurn = true;
 		}
+		ath9k_ani_restart(ah);
 	}
 }
 EXPORT_SYMBOL(ath9k_hw_ani_monitor);

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

@@ -25,11 +25,13 @@
 
 /* units are errors per second */
 #define ATH9K_ANI_OFDM_TRIG_HIGH_OLD      500
-#define ATH9K_ANI_OFDM_TRIG_HIGH_NEW      1000
+#define ATH9K_ANI_OFDM_TRIG_HIGH_NEW      3500
+#define ATH9K_ANI_OFDM_TRIG_HIGH_BELOW_INI 1000
 
 /* units are errors per second */
 #define ATH9K_ANI_OFDM_TRIG_LOW_OLD       200
 #define ATH9K_ANI_OFDM_TRIG_LOW_NEW       400
+#define ATH9K_ANI_OFDM_TRIG_LOW_ABOVE_INI 900
 
 /* units are errors per second */
 #define ATH9K_ANI_CCK_TRIG_HIGH_OLD       200
@@ -53,7 +55,7 @@
 #define ATH9K_ANI_RSSI_THR_LOW            7
 
 #define ATH9K_ANI_PERIOD_OLD              100
-#define ATH9K_ANI_PERIOD_NEW              1000
+#define ATH9K_ANI_PERIOD_NEW              300
 
 /* in ms */
 #define ATH9K_ANI_POLLINTERVAL_OLD        100

drivers/net/wireless/ath/ath9k/ar5008_phy.c

@@ -1047,46 +1047,8 @@ static bool ar5008_hw_ani_control_old(struct ath_hw *ah,
 		break;
 	}
 	case ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION:{
-		static const int m1ThreshLow[] = { 127, 50 };
-		static const int m2ThreshLow[] = { 127, 40 };
-		static const int m1Thresh[] = { 127, 0x4d };
-		static const int m2Thresh[] = { 127, 0x40 };
-		static const int m2CountThr[] = { 31, 16 };
-		static const int m2CountThrLow[] = { 63, 48 };
 		u32 on = param ? 1 : 0;
 
-		REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
-			      AR_PHY_SFCORR_LOW_M1_THRESH_LOW,
-			      m1ThreshLow[on]);
-		REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
-			      AR_PHY_SFCORR_LOW_M2_THRESH_LOW,
-			      m2ThreshLow[on]);
-		REG_RMW_FIELD(ah, AR_PHY_SFCORR,
-			      AR_PHY_SFCORR_M1_THRESH,
-			      m1Thresh[on]);
-		REG_RMW_FIELD(ah, AR_PHY_SFCORR,
-			      AR_PHY_SFCORR_M2_THRESH,
-			      m2Thresh[on]);
-		REG_RMW_FIELD(ah, AR_PHY_SFCORR,
-			      AR_PHY_SFCORR_M2COUNT_THR,
-			      m2CountThr[on]);
-		REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
-			      AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW,
-			      m2CountThrLow[on]);
-
-		REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
-			      AR_PHY_SFCORR_EXT_M1_THRESH_LOW,
-			      m1ThreshLow[on]);
-		REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
-			      AR_PHY_SFCORR_EXT_M2_THRESH_LOW,
-			      m2ThreshLow[on]);
-		REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
-			      AR_PHY_SFCORR_EXT_M1_THRESH,
-			      m1Thresh[on]);
-		REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
-			      AR_PHY_SFCORR_EXT_M2_THRESH,
-			      m2Thresh[on]);
-
 		if (on)
 			REG_SET_BIT(ah, AR_PHY_SFCORR_LOW,
 				    AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW);

drivers/net/wireless/ath/ath9k/ar9003_2p2_initvals.h

@@ -777,11 +777,11 @@ static const u32 ar9300Common_rx_gain_table_2p2[][2] = {
 	{0x0000a074, 0x00000000},
 	{0x0000a078, 0x00000000},
 	{0x0000a07c, 0x00000000},
-	{0x0000a080, 0x22222229},
-	{0x0000a084, 0x1d1d1d1d},
-	{0x0000a088, 0x1d1d1d1d},
-	{0x0000a08c, 0x1d1d1d1d},
-	{0x0000a090, 0x171d1d1d},
+	{0x0000a080, 0x1a1a1a1a},
+	{0x0000a084, 0x1a1a1a1a},
+	{0x0000a088, 0x1a1a1a1a},
+	{0x0000a08c, 0x1a1a1a1a},
+	{0x0000a090, 0x171a1a1a},
 	{0x0000a094, 0x11111717},
 	{0x0000a098, 0x00030311},
 	{0x0000a09c, 0x00000000},

drivers/net/wireless/ath/ath9k/ar9003_phy.c

@@ -823,55 +823,6 @@ static bool ar9003_hw_ani_control(struct ath_hw *ah,
 		 * on == 0 means more noise imm
 		 */
 		u32 on = param ? 1 : 0;
-		/*
-		 * make register setting for default
-		 * (weak sig detect ON) come from INI file
-		 */
-		int m1ThreshLow = on ?
-			aniState->iniDef.m1ThreshLow : m1ThreshLow_off;
-		int m2ThreshLow = on ?
-			aniState->iniDef.m2ThreshLow : m2ThreshLow_off;
-		int m1Thresh = on ?
-			aniState->iniDef.m1Thresh : m1Thresh_off;
-		int m2Thresh = on ?
-			aniState->iniDef.m2Thresh : m2Thresh_off;
-		int m2CountThr = on ?
-			aniState->iniDef.m2CountThr : m2CountThr_off;
-		int m2CountThrLow = on ?
-			aniState->iniDef.m2CountThrLow : m2CountThrLow_off;
-		int m1ThreshLowExt = on ?
-			aniState->iniDef.m1ThreshLowExt : m1ThreshLowExt_off;
-		int m2ThreshLowExt = on ?
-			aniState->iniDef.m2ThreshLowExt : m2ThreshLowExt_off;
-		int m1ThreshExt = on ?
-			aniState->iniDef.m1ThreshExt : m1ThreshExt_off;
-		int m2ThreshExt = on ?
-			aniState->iniDef.m2ThreshExt : m2ThreshExt_off;
-
-		REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
-			      AR_PHY_SFCORR_LOW_M1_THRESH_LOW,
-			      m1ThreshLow);
-		REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
-			      AR_PHY_SFCORR_LOW_M2_THRESH_LOW,
-			      m2ThreshLow);
-		REG_RMW_FIELD(ah, AR_PHY_SFCORR,
-			      AR_PHY_SFCORR_M1_THRESH, m1Thresh);
-		REG_RMW_FIELD(ah, AR_PHY_SFCORR,
-			      AR_PHY_SFCORR_M2_THRESH, m2Thresh);
-		REG_RMW_FIELD(ah, AR_PHY_SFCORR,
-			      AR_PHY_SFCORR_M2COUNT_THR, m2CountThr);
-		REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
-			      AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW,
-			      m2CountThrLow);
-
-		REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
-			      AR_PHY_SFCORR_EXT_M1_THRESH_LOW, m1ThreshLowExt);
-		REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
-			      AR_PHY_SFCORR_EXT_M2_THRESH_LOW, m2ThreshLowExt);
-		REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
-			      AR_PHY_SFCORR_EXT_M1_THRESH, m1ThreshExt);
-		REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
-			      AR_PHY_SFCORR_EXT_M2_THRESH, m2ThreshExt);
 
 		if (on)
 			REG_SET_BIT(ah, AR_PHY_SFCORR_LOW,

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

@@ -26,6 +26,7 @@
 #include "debug.h"
 #include "common.h"
 #include "mci.h"
+#include "dfs.h"
 
 /*
  * Header for the ath9k.ko driver core *only* -- hw code nor any other driver
@@ -430,6 +431,8 @@ void ath9k_set_beaconing_status(struct ath_softc *sc, bool status);
 void ath_reset_work(struct work_struct *work);
 void ath_hw_check(struct work_struct *work);
 void ath_hw_pll_work(struct work_struct *work);
+void ath_rx_poll(unsigned long data);
+void ath_start_rx_poll(struct ath_softc *sc, u8 nbeacon);
 void ath_paprd_calibrate(struct work_struct *work);
 void ath_ani_calibrate(unsigned long data);
 void ath_start_ani(struct ath_common *common);
@@ -670,6 +673,7 @@ struct ath_softc {
 	struct ath_beacon_config cur_beacon_conf;
 	struct delayed_work tx_complete_work;
 	struct delayed_work hw_pll_work;
+	struct timer_list rx_poll_timer;
 
 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
 	struct ath_btcoex btcoex;
@@ -680,6 +684,7 @@ struct ath_softc {
 
 	struct ath_ant_comb ant_comb;
 	u8 ant_tx, ant_rx;
+	struct dfs_pattern_detector *dfs_detector;
 };
 
 void ath9k_tasklet(unsigned long data);

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

@@ -524,6 +524,7 @@ static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
 	PR("hw-put-tx-buf:   ", puttxbuf);
 	PR("hw-tx-start:     ", txstart);
 	PR("hw-tx-proc-desc: ", txprocdesc);
+	PR("TX-Failed:       ", txfailed);
 	len += snprintf(buf + len, size - len,
 			"%s%11p%11p%10p%10p\n", "txq-memory-address:",
 			sc->tx.txq_map[WME_AC_BE],
@@ -910,6 +911,21 @@ static ssize_t read_file_recv(struct file *file, char __user *user_buf,
 	len += snprintf(buf + len, size - len,
 			"%22s : %10u\n", "DECRYPT BUSY ERR",
 			sc->debug.stats.rxstats.decrypt_busy_err);
+	len += snprintf(buf + len, size - len,
+			"%22s : %10u\n", "RX-LENGTH-ERR",
+			sc->debug.stats.rxstats.rx_len_err);
+	len += snprintf(buf + len, size - len,
+			"%22s : %10u\n", "RX-OOM-ERR",
+			sc->debug.stats.rxstats.rx_oom_err);
+	len += snprintf(buf + len, size - len,
+			"%22s : %10u\n", "RX-RATE-ERR",
+			sc->debug.stats.rxstats.rx_rate_err);
+	len += snprintf(buf + len, size - len,
+			"%22s : %10u\n", "RX-DROP-RXFLUSH",
+			sc->debug.stats.rxstats.rx_drop_rxflush);
+	len += snprintf(buf + len, size - len,
+			"%22s : %10u\n", "RX-TOO-MANY-FRAGS",
+			sc->debug.stats.rxstats.rx_too_many_frags_err);
 
 	PHY_ERR("UNDERRUN ERR", ATH9K_PHYERR_UNDERRUN);
 	PHY_ERR("TIMING ERR", ATH9K_PHYERR_TIMING);
@@ -944,6 +960,12 @@ static ssize_t read_file_recv(struct file *file, char __user *user_buf,
 	len += snprintf(buf + len, size - len,
 			"%22s : %10u\n", "RX-Bytes-All",
 			sc->debug.stats.rxstats.rx_bytes_all);
+	len += snprintf(buf + len, size - len,
+			"%22s : %10u\n", "RX-Beacons",
+			sc->debug.stats.rxstats.rx_beacons);
+	len += snprintf(buf + len, size - len,
+			"%22s : %10u\n", "RX-Frags",
+			sc->debug.stats.rxstats.rx_frags);
 
 	if (len > size)
 		len = size;
@@ -958,7 +980,6 @@ static ssize_t read_file_recv(struct file *file, char __user *user_buf,
 
 void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
 {
-#define RX_STAT_INC(c) sc->debug.stats.rxstats.c++
 #define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++
 #define RX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].rs\
 			[sc->debug.rsidx].c)
@@ -1004,7 +1025,6 @@ void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
 
 #endif
 
-#undef RX_STAT_INC
 #undef RX_PHY_ERR_INC
 #undef RX_SAMP_DBG
 }

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

@@ -113,6 +113,7 @@ struct ath_interrupt_stats {
  * @puttxbuf: Number of times hardware was given txbuf to write.
  * @txstart:  Number of times hardware was told to start tx.
  * @txprocdesc:  Number of times tx descriptor was processed
+ * @txfailed:  Out-of-memory or other errors in xmit path.
  */
 struct ath_tx_stats {
 	u32 tx_pkts_all;
@@ -135,8 +136,11 @@ struct ath_tx_stats {
 	u32 puttxbuf;
 	u32 txstart;
 	u32 txprocdesc;
+	u32 txfailed;
 };
 
+#define RX_STAT_INC(c) (sc->debug.stats.rxstats.c++)
+
 /**
  * struct ath_rx_stats - RX Statistics
  * @rx_pkts_all:  No. of total frames received, including ones that
@@ -153,6 +157,13 @@ struct ath_tx_stats {
  * @post_delim_crc_err: Post-Frame delimiter CRC error detections
  * @decrypt_busy_err: Decryption interruptions counter
  * @phy_err_stats: Individual PHY error statistics
+ * @rx_len_err:  No. of frames discarded due to bad length.
+ * @rx_oom_err:  No. of frames dropped due to OOM issues.
+ * @rx_rate_err:  No. of frames dropped due to rate errors.
+ * @rx_too_many_frags_err:  Frames dropped due to too-many-frags received.
+ * @rx_drop_rxflush: No. of frames dropped due to RX-FLUSH.
+ * @rx_beacons:  No. of beacons received.
+ * @rx_frags:  No. of rx-fragements received.
  */
 struct ath_rx_stats {
 	u32 rx_pkts_all;
@@ -165,6 +176,13 @@ struct ath_rx_stats {
 	u32 post_delim_crc_err;
 	u32 decrypt_busy_err;
 	u32 phy_err_stats[ATH9K_PHYERR_MAX];
+	u32 rx_len_err;
+	u32 rx_oom_err;
+	u32 rx_rate_err;
+	u32 rx_too_many_frags_err;
+	u32 rx_drop_rxflush;
+	u32 rx_beacons;
+	u32 rx_frags;
 };
 
 enum ath_reset_type {
@@ -174,6 +192,7 @@ enum ath_reset_type {
 	RESET_TYPE_TX_ERROR,
 	RESET_TYPE_TX_HANG,
 	RESET_TYPE_PLL_HANG,
+	RESET_TYPE_MAC_HANG,
 	__RESET_TYPE_MAX
 };
 
@@ -247,6 +266,8 @@ void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs);
 
 #else
 
+#define RX_STAT_INC(c) /* NOP */
+
 static inline int ath9k_init_debug(struct ath_hw *ah)
 {
 	return 0;

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

@@ -21,17 +21,6 @@
 #include "dfs.h"
 #include "dfs_debug.h"
 
-/*
- * TODO: move into or synchronize this with generic header
- *	 as soon as IF is defined
- */
-struct dfs_radar_pulse {
-	u16 freq;
-	u64 ts;
-	u32 width;
-	u8 rssi;
-};
-
 /* internal struct to pass radar data */
 struct ath_radar_data {
 	u8 pulse_bw_info;
@@ -60,44 +49,44 @@ static u32 dur_to_usecs(struct ath_hw *ah, u32 dur)
 #define EXT_CH_RADAR_FOUND 0x02
 static bool
 ath9k_postprocess_radar_event(struct ath_softc *sc,
-			      struct ath_radar_data *are,
-			      struct dfs_radar_pulse *drp)
+			      struct ath_radar_data *ard,
+			      struct pulse_event *pe)
 {
 	u8 rssi;
 	u16 dur;
 
 	ath_dbg(ath9k_hw_common(sc->sc_ah), DFS,
 		"pulse_bw_info=0x%x, pri,ext len/rssi=(%u/%u, %u/%u)\n",
-		are->pulse_bw_info,
-		are->pulse_length_pri, are->rssi,
-		are->pulse_length_ext, are->ext_rssi);
+		ard->pulse_bw_info,
+		ard->pulse_length_pri, ard->rssi,
+		ard->pulse_length_ext, ard->ext_rssi);
 
 	/*
 	 * Only the last 2 bits of the BW info are relevant, they indicate
 	 * which channel the radar was detected in.
 	 */
-	are->pulse_bw_info &= 0x03;
+	ard->pulse_bw_info &= 0x03;
 
-	switch (are->pulse_bw_info) {
+	switch (ard->pulse_bw_info) {
 	case PRI_CH_RADAR_FOUND:
 		/* radar in ctrl channel */
-		dur = are->pulse_length_pri;
+		dur = ard->pulse_length_pri;
 		DFS_STAT_INC(sc, pri_phy_errors);
 		/*
 		 * cannot use ctrl channel RSSI
 		 * if extension channel is stronger
 		 */
-		rssi = (are->ext_rssi >= (are->rssi + 3)) ? 0 : are->rssi;
+		rssi = (ard->ext_rssi >= (ard->rssi + 3)) ? 0 : ard->rssi;
 		break;
 	case EXT_CH_RADAR_FOUND:
 		/* radar in extension channel */
-		dur = are->pulse_length_ext;
+		dur = ard->pulse_length_ext;
 		DFS_STAT_INC(sc, ext_phy_errors);
 		/*
 		 * cannot use extension channel RSSI
 		 * if control channel is stronger
 		 */
-		rssi = (are->rssi >= (are->ext_rssi + 12)) ? 0 : are->ext_rssi;
+		rssi = (ard->rssi >= (ard->ext_rssi + 12)) ? 0 : ard->ext_rssi;
 		break;
 	case (PRI_CH_RADAR_FOUND | EXT_CH_RADAR_FOUND):
 		/*
@@ -107,14 +96,14 @@ ath9k_postprocess_radar_event(struct ath_softc *sc,
 		 * Radiated testing, when pulse is on DC, different pri and
 		 * ext durations are reported, so take the larger of the two
 		 */
-		if (are->pulse_length_ext >= are->pulse_length_pri)
-			dur = are->pulse_length_ext;
+		if (ard->pulse_length_ext >= ard->pulse_length_pri)
+			dur = ard->pulse_length_ext;
 		else
-			dur = are->pulse_length_pri;
+			dur = ard->pulse_length_pri;
 		DFS_STAT_INC(sc, dc_phy_errors);
 
 		/* when both are present use stronger one */
-		rssi = (are->rssi < are->ext_rssi) ? are->ext_rssi : are->rssi;
+		rssi = (ard->rssi < ard->ext_rssi) ? ard->ext_rssi : ard->rssi;
 		break;
 	default:
 		/*
@@ -137,8 +126,8 @@ ath9k_postprocess_radar_event(struct ath_softc *sc,
 	 */
 
 	/* convert duration to usecs */
-	drp->width = dur_to_usecs(sc->sc_ah, dur);
-	drp->rssi = rssi;
+	pe->width = dur_to_usecs(sc->sc_ah, dur);
+	pe->rssi = rssi;
 
 	DFS_STAT_INC(sc, pulses_detected);
 	return true;
@@ -155,12 +144,12 @@ void ath9k_dfs_process_phyerr(struct ath_softc *sc, void *data,
 	struct ath_radar_data ard;
 	u16 datalen;
 	char *vdata_end;
-	struct dfs_radar_pulse drp;
+	struct pulse_event pe;
 	struct ath_hw *ah = sc->sc_ah;
 	struct ath_common *common = ath9k_hw_common(ah);
 
-	if ((!(rs->rs_phyerr != ATH9K_PHYERR_RADAR)) &&
-	    (!(rs->rs_phyerr != ATH9K_PHYERR_FALSE_RADAR_EXT))) {
+	if ((rs->rs_phyerr != ATH9K_PHYERR_RADAR) &&
+	    (rs->rs_phyerr != ATH9K_PHYERR_FALSE_RADAR_EXT)) {
 		ath_dbg(common, DFS,
 			"Error: rs_phyer=0x%x not a radar error\n",
 			rs->rs_phyerr);
@@ -189,27 +178,20 @@ void ath9k_dfs_process_phyerr(struct ath_softc *sc, void *data,
 	ard.pulse_bw_info = vdata_end[-1];
 	ard.pulse_length_ext = vdata_end[-2];
 	ard.pulse_length_pri = vdata_end[-3];
-
-	ath_dbg(common, DFS,
-		"bw_info=%d, length_pri=%d, length_ext=%d, "
-		"rssi_pri=%d, rssi_ext=%d\n",
-		ard.pulse_bw_info, ard.pulse_length_pri, ard.pulse_length_ext,
-		ard.rssi, ard.ext_rssi);
-
-	drp.freq = ah->curchan->channel;
-	drp.ts = mactime;
-	if (ath9k_postprocess_radar_event(sc, &ard, &drp)) {
+	pe.freq = ah->curchan->channel;
+	pe.ts = mactime;
+	if (ath9k_postprocess_radar_event(sc, &ard, &pe)) {
+		struct dfs_pattern_detector *pd = sc->dfs_detector;
 		static u64 last_ts;
 		ath_dbg(common, DFS,
 			"ath9k_dfs_process_phyerr: channel=%d, ts=%llu, "
 			"width=%d, rssi=%d, delta_ts=%llu\n",
-			drp.freq, drp.ts, drp.width, drp.rssi, drp.ts-last_ts);
-		last_ts = drp.ts;
-		/*
-		 * TODO: forward pulse to pattern detector
-		 *
-		 * ieee80211_add_radar_pulse(drp.freq, drp.ts,
-		 *                           drp.width, drp.rssi);
-		 */
+			pe.freq, pe.ts, pe.width, pe.rssi, pe.ts-last_ts);
+		last_ts = pe.ts;
+		if (pd != NULL && pd->add_pulse(pd, &pe)) {
+			/*
+			 * TODO: forward radar event to DFS management layer
+			 */
+		}
 	}
 }

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

@@ -17,6 +17,7 @@
 
 #ifndef ATH9K_DFS_H
 #define ATH9K_DFS_H
+#include "dfs_pattern_detector.h"
 
 #if defined(CONFIG_ATH9K_DFS_CERTIFIED)
 /**
@@ -31,13 +32,14 @@
  *
  * The radar information provided as raw payload data is validated and
  * filtered for false pulses. Events passing all tests are forwarded to
- * the upper layer for pattern detection.
+ * the DFS detector for pattern detection.
  */
 void ath9k_dfs_process_phyerr(struct ath_softc *sc, void *data,
 			      struct ath_rx_status *rs, u64 mactime);
 #else
-static inline void ath9k_dfs_process_phyerr(struct ath_softc *sc, void *data,
-					    struct ath_rx_status *rs, u64 mactime) { }
+static inline void
+ath9k_dfs_process_phyerr(struct ath_softc *sc, void *data,
+			 struct ath_rx_status *rs, u64 mactime) { }
 #endif
 
 #endif /* ATH9K_DFS_H */

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

@@ -0,0 +1,300 @@
+/*
+ * Copyright (c) 2012 Neratec Solutions AG
+ *
+ * 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/slab.h>
+#include <linux/export.h>
+
+#include "dfs_pattern_detector.h"
+#include "dfs_pri_detector.h"
+
+/*
+ * tolerated deviation of radar time stamp in usecs on both sides
+ * TODO: this might need to be HW-dependent
+ */
+#define PRI_TOLERANCE	16
+
+/**
+ * struct radar_types - contains array of patterns defined for one DFS domain
+ * @domain: DFS regulatory domain
+ * @num_radar_types: number of radar types to follow
+ * @radar_types: radar types array
+ */
+struct radar_types {
+	enum nl80211_dfs_regions region;
+	u32 num_radar_types;
+	const struct radar_detector_specs *radar_types;
+};
+
+/* percentage on ppb threshold to trigger detection */
+#define MIN_PPB_THRESH	50
+#define PPB_THRESH(PPB) ((PPB * MIN_PPB_THRESH + 50) / 100)
+#define PRF2PRI(PRF) ((1000000 + PRF / 2) / PRF)
+
+#define ETSI_PATTERN(ID, WMIN, WMAX, PMIN, PMAX, PRF, PPB)	\
+{								\
+	ID, WMIN, WMAX, (PRF2PRI(PMAX) - PRI_TOLERANCE),	\
+	(PRF2PRI(PMIN) * PRF + PRI_TOLERANCE), PRF, PPB * PRF,	\
+	PPB_THRESH(PPB), PRI_TOLERANCE,				\
+}
+
+/* radar types as defined by ETSI EN-301-893 v1.5.1 */
+static const struct radar_detector_specs etsi_radar_ref_types_v15[] = {
+	ETSI_PATTERN(0,  0,  1,  700,  700, 1, 18),
+	ETSI_PATTERN(1,  0,  5,  200, 1000, 1, 10),
+	ETSI_PATTERN(2,  0, 15,  200, 1600, 1, 15),
+	ETSI_PATTERN(3,  0, 15, 2300, 4000, 1, 25),
+	ETSI_PATTERN(4, 20, 30, 2000, 4000, 1, 20),
+	ETSI_PATTERN(5,  0,  2,  300,  400, 3, 10),
+	ETSI_PATTERN(6,  0,  2,  400, 1200, 3, 15),
+};
+
+static const struct radar_types etsi_radar_types_v15 = {
+	.region			= NL80211_DFS_ETSI,
+	.num_radar_types	= ARRAY_SIZE(etsi_radar_ref_types_v15),
+	.radar_types		= etsi_radar_ref_types_v15,
+};
+
+/* for now, we support ETSI radar types, FCC and JP are TODO */
+static const struct radar_types *dfs_domains[] = {
+	&etsi_radar_types_v15,
+};
+
+/**
+ * get_dfs_domain_radar_types() - get radar types for a given DFS domain
+ * @param domain DFS domain
+ * @return radar_types ptr on success, NULL if DFS domain is not supported
+ */
+static const struct radar_types *
+get_dfs_domain_radar_types(enum nl80211_dfs_regions region)
+{
+	u32 i;
+	for (i = 0; i < ARRAY_SIZE(dfs_domains); i++) {
+		if (dfs_domains[i]->region == region)
+			return dfs_domains[i];
+	}
+	return NULL;
+}
+
+/**
+ * struct channel_detector - detector elements for a DFS channel
+ * @head: list_head
+ * @freq: frequency for this channel detector in MHz
+ * @detectors: array of dynamically created detector elements for this freq
+ *
+ * Channel detectors are required to provide multi-channel DFS detection, e.g.
+ * to support off-channel scanning. A pattern detector has a list of channels
+ * radar pulses have been reported for in the past.
+ */
+struct channel_detector {
+	struct list_head head;
+	u16 freq;
+	struct pri_detector **detectors;
+};
+
+/* channel_detector_reset() - reset detector lines for a given channel */
+static void channel_detector_reset(struct dfs_pattern_detector *dpd,
+				   struct channel_detector *cd)
+{
+	u32 i;
+	if (cd == NULL)
+		return;
+	for (i = 0; i < dpd->num_radar_types; i++)
+		cd->detectors[i]->reset(cd->detectors[i], dpd->last_pulse_ts);
+}
+
+/* channel_detector_exit() - destructor */
+static void channel_detector_exit(struct dfs_pattern_detector *dpd,
+				  struct channel_detector *cd)
+{
+	u32 i;
+	if (cd == NULL)
+		return;
+	list_del(&cd->head);
+	for (i = 0; i < dpd->num_radar_types; i++) {
+		struct pri_detector *de = cd->detectors[i];
+		if (de != NULL)
+			de->exit(de);
+	}
+	kfree(cd->detectors);
+	kfree(cd);
+}
+
+static struct channel_detector *
+channel_detector_create(struct dfs_pattern_detector *dpd, u16 freq)
+{
+	u32 sz, i;
+	struct channel_detector *cd;
+
+	cd = kmalloc(sizeof(*cd), GFP_KERNEL);
+	if (cd == NULL)
+		goto fail;
+
+	INIT_LIST_HEAD(&cd->head);
+	cd->freq = freq;
+	sz = sizeof(cd->detectors) * dpd->num_radar_types;
+	cd->detectors = kzalloc(sz, GFP_KERNEL);
+	if (cd->detectors == NULL)
+		goto fail;
+
+	for (i = 0; i < dpd->num_radar_types; i++) {
+		const struct radar_detector_specs *rs = &dpd->radar_spec[i];
+		struct pri_detector *de = pri_detector_init(rs);
+		if (de == NULL)
+			goto fail;
+		cd->detectors[i] = de;
+	}
+	list_add(&cd->head, &dpd->channel_detectors);
+	return cd;
+
+fail:
+	pr_err("failed to allocate channel_detector for freq=%d\n", freq);
+	channel_detector_exit(dpd, cd);
+	return NULL;
+}
+
+/**
+ * channel_detector_get() - get channel detector for given frequency
+ * @param dpd instance pointer
+ * @param freq frequency in MHz
+ * @return pointer to channel detector on success, NULL otherwise
+ *
+ * Return existing channel detector for the given frequency or return a
+ * newly create one.
+ */
+static struct channel_detector *
+channel_detector_get(struct dfs_pattern_detector *dpd, u16 freq)
+{
+	struct channel_detector *cd;
+	list_for_each_entry(cd, &dpd->channel_detectors, head) {
+		if (cd->freq == freq)
+			return cd;
+	}
+	return channel_detector_create(dpd, freq);
+}
+
+/*
+ * DFS Pattern Detector
+ */
+
+/* dpd_reset(): reset all channel detectors */
+static void dpd_reset(struct dfs_pattern_detector *dpd)
+{
+	struct channel_detector *cd;
+	if (!list_empty(&dpd->channel_detectors))
+		list_for_each_entry(cd, &dpd->channel_detectors, head)
+			channel_detector_reset(dpd, cd);
+
+}
+static void dpd_exit(struct dfs_pattern_detector *dpd)
+{
+	struct channel_detector *cd, *cd0;
+	if (!list_empty(&dpd->channel_detectors))
+		list_for_each_entry_safe(cd, cd0, &dpd->channel_detectors, head)
+			channel_detector_exit(dpd, cd);
+	kfree(dpd);
+}
+
+static bool
+dpd_add_pulse(struct dfs_pattern_detector *dpd, struct pulse_event *event)
+{
+	u32 i;
+	bool ts_wraparound;
+	struct channel_detector *cd;
+
+	if (dpd->region == NL80211_DFS_UNSET) {
+		/*
+		 * pulses received for a non-supported or un-initialized
+		 * domain are treated as detected radars
+		 */
+		return true;
+	}
+
+	cd = channel_detector_get(dpd, event->freq);
+	if (cd == NULL)
+		return false;
+
+	ts_wraparound = (event->ts < dpd->last_pulse_ts);
+	dpd->last_pulse_ts = event->ts;
+	if (ts_wraparound) {
+		/*
+		 * reset detector on time stamp wraparound
+		 * with monotonic time stamps, this should never happen
+		 */
+		pr_warn("DFS: time stamp wraparound detected, resetting\n");
+		dpd_reset(dpd);
+	}
+	/* do type individual pattern matching */
+	for (i = 0; i < dpd->num_radar_types; i++) {
+		if (cd->detectors[i]->add_pulse(cd->detectors[i], event) != 0) {
+			channel_detector_reset(dpd, cd);
+			return true;
+		}
+	}
+	return false;
+}
+
+static bool dpd_set_domain(struct dfs_pattern_detector *dpd,
+			   enum nl80211_dfs_regions region)
+{
+	const struct radar_types *rt;
+	struct channel_detector *cd, *cd0;
+
+	if (dpd->region == region)
+		return true;
+
+	dpd->region = NL80211_DFS_UNSET;
+
+	rt = get_dfs_domain_radar_types(region);
+	if (rt == NULL)
+		return false;
+
+	/* delete all channel detectors for previous DFS domain */
+	if (!list_empty(&dpd->channel_detectors))
+		list_for_each_entry_safe(cd, cd0, &dpd->channel_detectors, head)
+			channel_detector_exit(dpd, cd);
+	dpd->radar_spec = rt->radar_types;
+	dpd->num_radar_types = rt->num_radar_types;
+
+	dpd->region = region;
+	return true;
+}
+
+static struct dfs_pattern_detector default_dpd = {
+	.exit		= dpd_exit,
+	.set_domain	= dpd_set_domain,
+	.add_pulse	= dpd_add_pulse,
+	.region		= NL80211_DFS_UNSET,
+};
+
+struct dfs_pattern_detector *
+dfs_pattern_detector_init(enum nl80211_dfs_regions region)
+{
+	struct dfs_pattern_detector *dpd;
+	dpd = kmalloc(sizeof(*dpd), GFP_KERNEL);
+	if (dpd == NULL) {
+		pr_err("allocation of dfs_pattern_detector failed\n");
+		return NULL;
+	}
+	*dpd = default_dpd;
+	INIT_LIST_HEAD(&dpd->channel_detectors);
+
+	if (dpd->set_domain(dpd, region))
+		return dpd;
+
+	pr_err("Could not set DFS domain to %d. ", region);
+	return NULL;
+}
+EXPORT_SYMBOL(dfs_pattern_detector_init);

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

@@ -0,0 +1,104 @@
+/*
+ * Copyright (c) 2012 Neratec Solutions AG
+ *
+ * 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.
+ */
+
+#ifndef DFS_PATTERN_DETECTOR_H
+#define DFS_PATTERN_DETECTOR_H
+
+#include <linux/types.h>
+#include <linux/list.h>
+#include <linux/nl80211.h>
+
+/**
+ * struct pulse_event - describing pulses reported by PHY
+ * @ts: pulse time stamp in us
+ * @freq: channel frequency in MHz
+ * @width: pulse duration in us
+ * @rssi: rssi of radar event
+ */
+struct pulse_event {
+	u64 ts;
+	u16 freq;
+	u8 width;
+	u8 rssi;
+};
+
+/**
+ * struct radar_detector_specs - detector specs for a radar pattern type
+ * @type_id: pattern type, as defined by regulatory
+ * @width_min: minimum radar pulse width in [us]
+ * @width_max: maximum radar pulse width in [us]
+ * @pri_min: minimum pulse repetition interval in [us] (including tolerance)
+ * @pri_max: minimum pri in [us] (including tolerance)
+ * @num_pri: maximum number of different pri for this type
+ * @ppb: pulses per bursts for this type
+ * @ppb_thresh: number of pulses required to trigger detection
+ * @max_pri_tolerance: pulse time stamp tolerance on both sides [us]
+ */
+struct radar_detector_specs {
+	u8 type_id;
+	u8 width_min;
+	u8 width_max;
+	u16 pri_min;
+	u16 pri_max;
+	u8 num_pri;
+	u8 ppb;
+	u8 ppb_thresh;
+	u8 max_pri_tolerance;
+};
+
+/**
+ * struct dfs_pattern_detector - DFS pattern detector
+ * @exit(): destructor
+ * @set_domain(): set DFS domain, resets detector lines upon domain changes
+ * @add_pulse(): add radar pulse to detector, returns true on detection
+ * @region: active DFS region, NL80211_DFS_UNSET until set
+ * @num_radar_types: number of different radar types
+ * @last_pulse_ts: time stamp of last valid pulse in usecs
+ * @radar_detector_specs: array of radar detection specs
+ * @channel_detectors: list connecting channel_detector elements
+ */
+struct dfs_pattern_detector {
+	void (*exit)(struct dfs_pattern_detector *dpd);
+	bool (*set_domain)(struct dfs_pattern_detector *dpd,
+			   enum nl80211_dfs_regions region);
+	bool (*add_pulse)(struct dfs_pattern_detector *dpd,
+			  struct pulse_event *pe);
+
+	enum nl80211_dfs_regions region;
+	u8 num_radar_types;
+	u64 last_pulse_ts;
+
+	const struct radar_detector_specs *radar_spec;
+	struct list_head channel_detectors;
+};
+
+/**
+ * dfs_pattern_detector_init() - constructor for pattern detector class
+ * @param region: DFS domain to be used, can be NL80211_DFS_UNSET at creation
+ * @return instance pointer on success, NULL otherwise
+ */
+#if defined(CONFIG_ATH9K_DFS_CERTIFIED)
+extern struct dfs_pattern_detector *
+dfs_pattern_detector_init(enum nl80211_dfs_regions region);
+#else
+static inline struct dfs_pattern_detector *
+dfs_pattern_detector_init(enum nl80211_dfs_regions region)
+{
+	return NULL;
+}
+#endif /* CONFIG_ATH9K_DFS_CERTIFIED */
+
+#endif /* DFS_PATTERN_DETECTOR_H */

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

@@ -0,0 +1,390 @@
+/*
+ * Copyright (c) 2012 Neratec Solutions AG
+ *
+ * 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/slab.h>
+
+#include "dfs_pattern_detector.h"
+#include "dfs_pri_detector.h"
+
+/**
+ * struct pri_sequence - sequence of pulses matching one PRI
+ * @head: list_head
+ * @pri: pulse repetition interval (PRI) in usecs
+ * @dur: duration of sequence in usecs
+ * @count: number of pulses in this sequence
+ * @count_falses: number of not matching pulses in this sequence
+ * @first_ts: time stamp of first pulse in usecs
+ * @last_ts: time stamp of last pulse in usecs
+ * @deadline_ts: deadline when this sequence becomes invalid (first_ts + dur)
+ */
+struct pri_sequence {
+	struct list_head head;
+	u32 pri;
+	u32 dur;
+	u32 count;
+	u32 count_falses;
+	u64 first_ts;
+	u64 last_ts;
+	u64 deadline_ts;
+};
+
+/**
+ * struct pulse_elem - elements in pulse queue
+ * @ts: time stamp in usecs
+ */
+struct pulse_elem {
+	struct list_head head;
+	u64 ts;
+};
+
+/**
+ * pde_get_multiple() - get number of multiples considering a given tolerance
+ * @return factor if abs(val - factor*fraction) <= tolerance, 0 otherwise
+ */
+static u32 pde_get_multiple(u32 val, u32 fraction, u32 tolerance)
+{
+	u32 remainder;
+	u32 factor;
+	u32 delta;
+
+	if (fraction == 0)
+		return 0;
+
+	delta = (val < fraction) ? (fraction - val) : (val - fraction);
+
+	if (delta <= tolerance)
+		/* val and fraction are within tolerance */
+		return 1;
+
+	factor = val / fraction;
+	remainder = val % fraction;
+	if (remainder > tolerance) {
+		/* no exact match */
+		if ((fraction - remainder) <= tolerance)
+			/* remainder is within tolerance */
+			factor++;
+		else
+			factor = 0;
+	}
+	return factor;
+}
+
+/**
+ * DOC: Singleton Pulse and Sequence Pools
+ *
+ * Instances of pri_sequence and pulse_elem are kept in singleton pools to
+ * reduce the number of dynamic allocations. They are shared between all
+ * instances and grow up to the peak number of simultaneously used objects.
+ *
+ * Memory is freed after all references to the pools are released.
+ */
+static u32 singleton_pool_references;
+static LIST_HEAD(pulse_pool);
+static LIST_HEAD(pseq_pool);
+
+static struct pulse_elem *pulse_queue_get_tail(struct pri_detector *pde)
+{
+	struct list_head *l = &pde->pulses;
+	if (list_empty(l))
+		return NULL;
+	return list_entry(l->prev, struct pulse_elem, head);
+}
+
+static bool pulse_queue_dequeue(struct pri_detector *pde)
+{
+	struct pulse_elem *p = pulse_queue_get_tail(pde);
+	if (p != NULL) {
+		list_del_init(&p->head);
+		pde->count--;
+		/* give it back to pool */
+		list_add(&p->head, &pulse_pool);
+	}
+	return (pde->count > 0);
+}
+
+/* remove pulses older than window */
+static void pulse_queue_check_window(struct pri_detector *pde)
+{
+	u64 min_valid_ts;
+	struct pulse_elem *p;
+
+	/* there is no delta time with less than 2 pulses */
+	if (pde->count < 2)
+		return;
+
+	if (pde->last_ts <= pde->window_size)
+		return;
+
+	min_valid_ts = pde->last_ts - pde->window_size;
+	while ((p = pulse_queue_get_tail(pde)) != NULL) {
+		if (p->ts >= min_valid_ts)
+			return;
+		pulse_queue_dequeue(pde);
+	}
+}
+
+static bool pulse_queue_enqueue(struct pri_detector *pde, u64 ts)
+{
+	struct pulse_elem *p;
+	if (!list_empty(&pulse_pool)) {
+		p = list_first_entry(&pulse_pool, struct pulse_elem, head);
+		list_del(&p->head);
+	} else {
+		p = kmalloc(sizeof(*p), GFP_KERNEL);
+		if (p == NULL) {
+			pr_err("failed to allocate pulse_elem\n");
+			return false;
+		}
+	}
+	INIT_LIST_HEAD(&p->head);
+	p->ts = ts;
+	list_add(&p->head, &pde->pulses);
+	pde->count++;
+	pde->last_ts = ts;
+	pulse_queue_check_window(pde);
+	if (pde->count >= pde->max_count)
+		pulse_queue_dequeue(pde);
+	return true;
+}
+
+static bool pseq_handler_create_sequences(struct pri_detector *pde,
+					  u64 ts, u32 min_count)
+{
+	struct pulse_elem *p;
+	list_for_each_entry(p, &pde->pulses, head) {
+		struct pri_sequence ps, *new_ps;
+		struct pulse_elem *p2;
+		u32 tmp_false_count;
+		u64 min_valid_ts;
+		u32 delta_ts = ts - p->ts;
+
+		if (delta_ts < pde->rs->pri_min)
+			/* ignore too small pri */
+			continue;
+
+		if (delta_ts > pde->rs->pri_max)
+			/* stop on too large pri (sorted list) */
+			break;
+
+		/* build a new sequence with new potential pri */
+		ps.count = 2;
+		ps.count_falses = 0;
+		ps.first_ts = p->ts;
+		ps.last_ts = ts;
+		ps.pri = ts - p->ts;
+		ps.dur = ps.pri * (pde->rs->ppb - 1)
+				+ 2 * pde->rs->max_pri_tolerance;
+
+		p2 = p;
+		tmp_false_count = 0;
+		min_valid_ts = ts - ps.dur;
+		/* check which past pulses are candidates for new sequence */
+		list_for_each_entry_continue(p2, &pde->pulses, head) {
+			u32 factor;
+			if (p2->ts < min_valid_ts)
+				/* stop on crossing window border */
+				break;
+			/* check if pulse match (multi)PRI */
+			factor = pde_get_multiple(ps.last_ts - p2->ts, ps.pri,
+						  pde->rs->max_pri_tolerance);
+			if (factor > 0) {
+				ps.count++;
+				ps.first_ts = p2->ts;
+				/*
+				 * on match, add the intermediate falses
+				 * and reset counter
+				 */
+				ps.count_falses += tmp_false_count;
+				tmp_false_count = 0;
+			} else {
+				/* this is a potential false one */
+				tmp_false_count++;
+			}
+		}
+		if (ps.count < min_count)
+			/* did not reach minimum count, drop sequence */
+			continue;
+
+		/* this is a valid one, add it */
+		ps.deadline_ts = ps.first_ts + ps.dur;
+
+		if (!list_empty(&pseq_pool)) {
+			new_ps = list_first_entry(&pseq_pool,
+						  struct pri_sequence, head);
+			list_del(&new_ps->head);
+		} else {
+			new_ps = kmalloc(sizeof(*new_ps), GFP_KERNEL);
+			if (new_ps == NULL)
+				return false;
+		}
+		memcpy(new_ps, &ps, sizeof(ps));
+		INIT_LIST_HEAD(&new_ps->head);
+		list_add(&new_ps->head, &pde->sequences);
+	}
+	return true;
+}
+
+/* check new ts and add to all matching existing sequences */
+static u32
+pseq_handler_add_to_existing_seqs(struct pri_detector *pde, u64 ts)
+{
+	u32 max_count = 0;
+	struct pri_sequence *ps, *ps2;
+	list_for_each_entry_safe(ps, ps2, &pde->sequences, head) {
+		u32 delta_ts;
+		u32 factor;
+
+		/* first ensure that sequence is within window */
+		if (ts > ps->deadline_ts) {
+			list_del_init(&ps->head);
+			list_add(&ps->head, &pseq_pool);
+			continue;
+		}
+
+		delta_ts = ts - ps->last_ts;
+		factor = pde_get_multiple(delta_ts, ps->pri,
+					  pde->rs->max_pri_tolerance);
+		if (factor > 0) {
+			ps->last_ts = ts;
+			ps->count++;
+
+			if (max_count < ps->count)
+				max_count = ps->count;
+		} else {
+			ps->count_falses++;
+		}
+	}
+	return max_count;
+}
+
+static struct pri_sequence *
+pseq_handler_check_detection(struct pri_detector *pde)
+{
+	struct pri_sequence *ps;
+
+	if (list_empty(&pde->sequences))
+		return NULL;
+
+	list_for_each_entry(ps, &pde->sequences, head) {
+		/*
+		 * we assume to have enough matching confidence if we
+		 * 1) have enough pulses
+		 * 2) have more matching than false pulses
+		 */
+		if ((ps->count >= pde->rs->ppb_thresh) &&
+		    (ps->count * pde->rs->num_pri >= ps->count_falses))
+			return ps;
+	}
+	return NULL;
+}
+
+
+/* free pulse queue and sequences list and give objects back to pools */
+static void pri_detector_reset(struct pri_detector *pde, u64 ts)
+{
+	struct pri_sequence *ps, *ps0;
+	struct pulse_elem *p, *p0;
+	list_for_each_entry_safe(ps, ps0, &pde->sequences, head) {
+		list_del_init(&ps->head);
+		list_add(&ps->head, &pseq_pool);
+	}
+	list_for_each_entry_safe(p, p0, &pde->pulses, head) {
+		list_del_init(&p->head);
+		list_add(&p->head, &pulse_pool);
+	}
+	pde->count = 0;
+	pde->last_ts = ts;
+}
+
+static void pri_detector_exit(struct pri_detector *de)
+{
+	pri_detector_reset(de, 0);
+
+	singleton_pool_references--;
+	if (singleton_pool_references == 0) {
+		/* free singleton pools with no references left */
+		struct pri_sequence *ps, *ps0;
+		struct pulse_elem *p, *p0;
+
+		list_for_each_entry_safe(p, p0, &pulse_pool, head) {
+			list_del(&p->head);
+			kfree(p);
+		}
+		list_for_each_entry_safe(ps, ps0, &pseq_pool, head) {
+			list_del(&ps->head);
+			kfree(ps);
+		}
+	}
+	kfree(de);
+}
+
+static bool pri_detector_add_pulse(struct pri_detector *de,
+				   struct pulse_event *event)
+{
+	u32 max_updated_seq;
+	struct pri_sequence *ps;
+	u64 ts = event->ts;
+	const struct radar_detector_specs *rs = de->rs;
+
+	/* ignore pulses not within width range */
+	if ((rs->width_min > event->width) || (rs->width_max < event->width))
+		return false;
+
+	if ((ts - de->last_ts) < rs->max_pri_tolerance)
+		/* if delta to last pulse is too short, don't use this pulse */
+		return false;
+	de->last_ts = ts;
+
+	max_updated_seq = pseq_handler_add_to_existing_seqs(de, ts);
+
+	if (!pseq_handler_create_sequences(de, ts, max_updated_seq)) {
+		pr_err("failed to create pulse sequences\n");
+		pri_detector_reset(de, ts);
+		return false;
+	}
+
+	ps = pseq_handler_check_detection(de);
+
+	if (ps != NULL) {
+		pr_info("DFS: radar found: pri=%d, count=%d, count_false=%d\n",
+			 ps->pri, ps->count, ps->count_falses);
+		pri_detector_reset(de, ts);
+		return true;
+	}
+	pulse_queue_enqueue(de, ts);
+	return false;
+}
+
+struct pri_detector *
+pri_detector_init(const struct radar_detector_specs *rs)
+{
+	struct pri_detector *de;
+	de = kzalloc(sizeof(*de), GFP_KERNEL);
+	if (de == NULL)
+		return NULL;
+	de->exit = pri_detector_exit;
+	de->add_pulse = pri_detector_add_pulse;
+	de->reset = pri_detector_reset;
+
+	INIT_LIST_HEAD(&de->sequences);
+	INIT_LIST_HEAD(&de->pulses);
+	de->window_size = rs->pri_max * rs->ppb * rs->num_pri;
+	de->max_count = rs->ppb * 2;
+	de->rs = rs;
+
+	singleton_pool_references++;
+	return de;
+}

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

@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2012 Neratec Solutions AG
+ *
+ * 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.
+ */
+
+#ifndef DFS_PRI_DETECTOR_H
+#define DFS_PRI_DETECTOR_H
+
+#include <linux/list.h>
+
+/**
+ * struct pri_detector - PRI detector element for a dedicated radar type
+ * @exit(): destructor
+ * @add_pulse(): add pulse event, returns true if pattern was detected
+ * @reset(): clear states and reset to given time stamp
+ * @rs: detector specs for this detector element
+ * @last_ts: last pulse time stamp considered for this element in usecs
+ * @sequences: list_head holding potential pulse sequences
+ * @pulses: list connecting pulse_elem objects
+ * @count: number of pulses in queue
+ * @max_count: maximum number of pulses to be queued
+ * @window_size: window size back from newest pulse time stamp in usecs
+ */
+struct pri_detector {
+	void (*exit)     (struct pri_detector *de);
+	bool (*add_pulse)(struct pri_detector *de, struct pulse_event *e);
+	void (*reset)    (struct pri_detector *de, u64 ts);
+
+/* private: internal use only */
+	const struct radar_detector_specs *rs;
+	u64 last_ts;
+	struct list_head sequences;
+	struct list_head pulses;
+	u32 count;
+	u32 max_count;
+	u32 window_size;
+};
+
+struct pri_detector *pri_detector_init(const struct radar_detector_specs *rs);
+
+#endif /* DFS_PRI_DETECTOR_H */

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

@@ -14,6 +14,8 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include "htc.h"
 
 MODULE_AUTHOR("Atheros Communications");
@@ -711,7 +713,8 @@ static void ath9k_set_hw_capab(struct ath9k_htc_priv *priv,
 
 	hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
 
-	hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
+	hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN |
+			    WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
 
 	hw->queues = 4;
 	hw->channel_change_time = 5000;
@@ -966,9 +969,7 @@ int ath9k_htc_resume(struct htc_target *htc_handle)
 static int __init ath9k_htc_init(void)
 {
 	if (ath9k_hif_usb_init() < 0) {
-		printk(KERN_ERR
-			"ath9k_htc: No USB devices found,"
-			" driver not installed.\n");
+		pr_err("No USB devices found, driver not installed\n");
 		return -ENODEV;
 	}
 
@@ -979,6 +980,6 @@ module_init(ath9k_htc_init);
 static void __exit ath9k_htc_exit(void)
 {
 	ath9k_hif_usb_exit();
-	printk(KERN_INFO "ath9k_htc: Driver unloaded\n");
+	pr_info("Driver unloaded\n");
 }
 module_exit(ath9k_htc_exit);

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

@@ -14,6 +14,8 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include "htc.h"
 
 static int htc_issue_send(struct htc_target *target, struct sk_buff* skb,
@@ -461,7 +463,7 @@ int ath9k_htc_hw_init(struct htc_target *target,
 		      char *product, u32 drv_info)
 {
 	if (ath9k_htc_probe_device(target, dev, devid, product, drv_info)) {
-		printk(KERN_ERR "Failed to initialize the device\n");
+		pr_err("Failed to initialize the device\n");
 		return -ENODEV;
 	}
 

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

@@ -1491,11 +1491,84 @@ static void ath9k_hw_apply_gpio_override(struct ath_hw *ah)
 	}
 }
 
+static bool ath9k_hw_check_dcs(u32 dma_dbg, u32 num_dcu_states,
+			       int *hang_state, int *hang_pos)
+{
+	static u32 dcu_chain_state[] = {5, 6, 9}; /* DCU chain stuck states */
+	u32 chain_state, dcs_pos, i;
+
+	for (dcs_pos = 0; dcs_pos < num_dcu_states; dcs_pos++) {
+		chain_state = (dma_dbg >> (5 * dcs_pos)) & 0x1f;
+		for (i = 0; i < 3; i++) {
+			if (chain_state == dcu_chain_state[i]) {
+				*hang_state = chain_state;
+				*hang_pos = dcs_pos;
+				return true;
+			}
+		}
+	}
+	return false;
+}
+
+#define DCU_COMPLETE_STATE        1
+#define DCU_COMPLETE_STATE_MASK 0x3
+#define NUM_STATUS_READS         50
+static bool ath9k_hw_detect_mac_hang(struct ath_hw *ah)
+{
+	u32 chain_state, comp_state, dcs_reg = AR_DMADBG_4;
+	u32 i, hang_pos, hang_state, num_state = 6;
+
+	comp_state = REG_READ(ah, AR_DMADBG_6);
+
+	if ((comp_state & DCU_COMPLETE_STATE_MASK) != DCU_COMPLETE_STATE) {
+		ath_dbg(ath9k_hw_common(ah), RESET,
+			"MAC Hang signature not found at DCU complete\n");
+		return false;
+	}
+
+	chain_state = REG_READ(ah, dcs_reg);
+	if (ath9k_hw_check_dcs(chain_state, num_state, &hang_state, &hang_pos))
+		goto hang_check_iter;
+
+	dcs_reg = AR_DMADBG_5;
+	num_state = 4;
+	chain_state = REG_READ(ah, dcs_reg);
+	if (ath9k_hw_check_dcs(chain_state, num_state, &hang_state, &hang_pos))
+		goto hang_check_iter;
+
+	ath_dbg(ath9k_hw_common(ah), RESET,
+		"MAC Hang signature 1 not found\n");
+	return false;
+
+hang_check_iter:
+	ath_dbg(ath9k_hw_common(ah), RESET,
+		"DCU registers: chain %08x complete %08x Hang: state %d pos %d\n",
+		chain_state, comp_state, hang_state, hang_pos);
+
+	for (i = 0; i < NUM_STATUS_READS; i++) {
+		chain_state = REG_READ(ah, dcs_reg);
+		chain_state = (chain_state >> (5 * hang_pos)) & 0x1f;
+		comp_state = REG_READ(ah, AR_DMADBG_6);
+
+		if (((comp_state & DCU_COMPLETE_STATE_MASK) !=
+					DCU_COMPLETE_STATE) ||
+		    (chain_state != hang_state))
+			return false;
+	}
+
+	ath_dbg(ath9k_hw_common(ah), RESET, "MAC Hang signature 1 found\n");
+
+	return true;
+}
+
 bool ath9k_hw_check_alive(struct ath_hw *ah)
 {
 	int count = 50;
 	u32 reg;
 
+	if (AR_SREV_9300(ah))
+		return !ath9k_hw_detect_mac_hang(ah);
+
 	if (AR_SREV_9285_12_OR_LATER(ah))
 		return true;
 

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

@@ -14,6 +14,8 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/dma-mapping.h>
 #include <linux/slab.h>
 #include <linux/ath9k_platform.h>
@@ -519,6 +521,8 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc,
 	atomic_set(&ah->intr_ref_cnt, -1);
 	sc->sc_ah = ah;
 
+	sc->dfs_detector = dfs_pattern_detector_init(NL80211_DFS_UNSET);
+
 	if (!pdata) {
 		ah->ah_flags |= AH_USE_EEPROM;
 		sc->sc_ah->led_pin = -1;
@@ -676,6 +680,7 @@ void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
 
 	hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
 	hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS;
+	hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
 
 	hw->queues = 4;
 	hw->max_rates = 4;
@@ -779,6 +784,7 @@ int ath9k_init_device(u16 devid, struct ath_softc *sc,
 			goto error_world;
 	}
 
+	setup_timer(&sc->rx_poll_timer, ath_rx_poll, (unsigned long)sc);
 	sc->last_rssi = ATH_RSSI_DUMMY_MARKER;
 
 	ath_init_leds(sc);
@@ -821,6 +827,8 @@ static void ath9k_deinit_softc(struct ath_softc *sc)
 			ath_tx_cleanupq(sc, &sc->tx.txq[i]);
 
 	ath9k_hw_deinit(sc->sc_ah);
+	if (sc->dfs_detector != NULL)
+		sc->dfs_detector->exit(sc->dfs_detector);
 
 	kfree(sc->sc_ah);
 	sc->sc_ah = NULL;
@@ -866,17 +874,14 @@ static int __init ath9k_init(void)
 	/* Register rate control algorithm */
 	error = ath_rate_control_register();
 	if (error != 0) {
-		printk(KERN_ERR
-			"ath9k: Unable to register rate control "
-			"algorithm: %d\n",
-			error);
+		pr_err("Unable to register rate control algorithm: %d\n",
+		       error);
 		goto err_out;
 	}
 
 	error = ath_pci_init();
 	if (error < 0) {
-		printk(KERN_ERR
-			"ath9k: No PCI devices found, driver not installed.\n");
+		pr_err("No PCI devices found, driver not installed\n");
 		error = -ENODEV;
 		goto err_rate_unregister;
 	}
@@ -905,6 +910,6 @@ static void __exit ath9k_exit(void)
 	ath_ahb_exit();
 	ath_pci_exit();
 	ath_rate_control_unregister();
-	printk(KERN_INFO "%s: Driver unloaded\n", dev_info);
+	pr_info("%s: Driver unloaded\n", dev_info);
 }
 module_exit(ath9k_exit);

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

@@ -118,15 +118,13 @@ void ath9k_ps_restore(struct ath_softc *sc)
 	if (--sc->ps_usecount != 0)
 		goto unlock;
 
-	if (sc->ps_flags & PS_WAIT_FOR_TX_ACK)
-		goto unlock;
-
-	if (sc->ps_idle)
+	if (sc->ps_idle && (sc->ps_flags & PS_WAIT_FOR_TX_ACK))
 		mode = ATH9K_PM_FULL_SLEEP;
 	else if (sc->ps_enabled &&
 		 !(sc->ps_flags & (PS_WAIT_FOR_BEACON |
 			      PS_WAIT_FOR_CAB |
-			      PS_WAIT_FOR_PSPOLL_DATA)))
+			      PS_WAIT_FOR_PSPOLL_DATA |
+			      PS_WAIT_FOR_TX_ACK)))
 		mode = ATH9K_PM_NETWORK_SLEEP;
 	else
 		goto unlock;
@@ -243,6 +241,7 @@ static bool ath_prepare_reset(struct ath_softc *sc, bool retry_tx, bool flush)
 
 	sc->hw_busy_count = 0;
 	del_timer_sync(&common->ani.timer);
+	del_timer_sync(&sc->rx_poll_timer);
 
 	ath9k_debug_samp_bb_mac(sc);
 	ath9k_hw_disable_interrupts(ah);
@@ -284,6 +283,7 @@ static bool ath_complete_reset(struct ath_softc *sc, bool start)
 
 		ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, 0);
 		ieee80211_queue_delayed_work(sc->hw, &sc->hw_pll_work, HZ/2);
+		ath_start_rx_poll(sc, 3);
 		if (!common->disable_ani)
 			ath_start_ani(common);
 	}
@@ -914,10 +914,19 @@ void ath_hw_check(struct work_struct *work)
 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	unsigned long flags;
 	int busy;
+	u8 is_alive, nbeacon = 1;
 
 	ath9k_ps_wakeup(sc);
-	if (ath9k_hw_check_alive(sc->sc_ah))
+	is_alive = ath9k_hw_check_alive(sc->sc_ah);
+
+	if (is_alive && !AR_SREV_9300(sc->sc_ah))
 		goto out;
+	else if (!is_alive && AR_SREV_9300(sc->sc_ah)) {
+		ath_dbg(common, RESET,
+			"DCU stuck is detected. Schedule chip reset\n");
+		RESET_STAT_INC(sc, RESET_TYPE_MAC_HANG);
+		goto sched_reset;
+	}
 
 	spin_lock_irqsave(&common->cc_lock, flags);
 	busy = ath_update_survey_stats(sc);
@@ -928,12 +937,18 @@ void ath_hw_check(struct work_struct *work)
 	if (busy >= 99) {
 		if (++sc->hw_busy_count >= 3) {
 			RESET_STAT_INC(sc, RESET_TYPE_BB_HANG);
-			ieee80211_queue_work(sc->hw, &sc->hw_reset_work);
+			goto sched_reset;
 		}
-
-	} else if (busy >= 0)
+	} else if (busy >= 0) {
 		sc->hw_busy_count = 0;
+		nbeacon = 3;
+	}
+
+	ath_start_rx_poll(sc, nbeacon);
+	goto out;
 
+sched_reset:
+	ieee80211_queue_work(sc->hw, &sc->hw_reset_work);
 out:
 	ath9k_ps_restore(sc);
 }
@@ -1135,6 +1150,7 @@ static void ath9k_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
 
 	if (ath_tx_start(hw, skb, &txctl) != 0) {
 		ath_dbg(common, XMIT, "TX failed\n");
+		TX_STAT_INC(txctl.txq->axq_qnum, txfailed);
 		goto exit;
 	}
 
@@ -1153,6 +1169,7 @@ static void ath9k_stop(struct ieee80211_hw *hw)
 	mutex_lock(&sc->mutex);
 
 	ath_cancel_work(sc);
+	del_timer_sync(&sc->rx_poll_timer);
 
 	if (sc->sc_flags & SC_OP_INVALID) {
 		ath_dbg(common, ANY, "Device not present\n");
@@ -1385,6 +1402,24 @@ static void ath9k_do_vif_add_setup(struct ieee80211_hw *hw,
 	}
 }
 
+void ath_start_rx_poll(struct ath_softc *sc, u8 nbeacon)
+{
+	if (!AR_SREV_9300(sc->sc_ah))
+		return;
+
+	if (!(sc->sc_flags & SC_OP_PRIM_STA_VIF))
+		return;
+
+	mod_timer(&sc->rx_poll_timer, jiffies + msecs_to_jiffies
+			(nbeacon * sc->cur_beacon_conf.beacon_interval));
+}
+
+void ath_rx_poll(unsigned long data)
+{
+	struct ath_softc *sc = (struct ath_softc *)data;
+
+	ieee80211_queue_work(sc->hw, &sc->hw_check_work);
+}
 
 static int ath9k_add_interface(struct ieee80211_hw *hw,
 			       struct ieee80211_vif *vif)
@@ -1906,6 +1941,8 @@ static void ath9k_bss_iter(void *data, u8 *mac, struct ieee80211_vif *vif)
 		sc->last_rssi = ATH_RSSI_DUMMY_MARKER;
 		sc->sc_ah->stats.avgbrssi = ATH_RSSI_DUMMY_MARKER;
 
+		ath_start_rx_poll(sc, 3);
+
 		if (!common->disable_ani) {
 			sc->sc_flags |= SC_OP_ANI_RUN;
 			ath_start_ani(common);
@@ -1945,6 +1982,7 @@ static void ath9k_config_bss(struct ath_softc *sc, struct ieee80211_vif *vif)
 		/* Stop ANI */
 		sc->sc_flags &= ~SC_OP_ANI_RUN;
 		del_timer_sync(&common->ani.timer);
+		del_timer_sync(&sc->rx_poll_timer);
 		memset(&sc->caldata, 0, sizeof(sc->caldata));
 	}
 }
@@ -1988,6 +2026,7 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
 		} else {
 			sc->sc_flags &= ~SC_OP_ANI_RUN;
 			del_timer_sync(&common->ani.timer);
+			del_timer_sync(&sc->rx_poll_timer);
 		}
 	}
 

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

@@ -14,6 +14,8 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/nl80211.h>
 #include <linux/pci.h>
 #include <linux/pci-aspm.h>
@@ -171,14 +173,13 @@ static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 
 	ret =  pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
 	if (ret) {
-		printk(KERN_ERR "ath9k: 32-bit DMA not available\n");
+		pr_err("32-bit DMA not available\n");
 		goto err_dma;
 	}
 
 	ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
 	if (ret) {
-		printk(KERN_ERR "ath9k: 32-bit DMA consistent "
-			"DMA enable failed\n");
+		pr_err("32-bit DMA consistent DMA enable failed\n");
 		goto err_dma;
 	}
 
@@ -224,7 +225,7 @@ static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 
 	mem = pci_iomap(pdev, 0, 0);
 	if (!mem) {
-		printk(KERN_ERR "PCI memory map error\n") ;
+		pr_err("PCI memory map error\n") ;
 		ret = -EIO;
 		goto err_iomap;
 	}

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

@@ -1436,7 +1436,7 @@ static void ath_rate_init(void *priv, struct ieee80211_supported_band *sband,
 
 static void ath_rate_update(void *priv, struct ieee80211_supported_band *sband,
 			    struct ieee80211_sta *sta, void *priv_sta,
-			    u32 changed, enum nl80211_channel_type oper_chan_type)
+			    u32 changed)
 {
 	struct ath_softc *sc = priv;
 	struct ath_rate_priv *ath_rc_priv = priv_sta;
@@ -1447,12 +1447,11 @@ static void ath_rate_update(void *priv, struct ieee80211_supported_band *sband,
 
 	/* FIXME: Handle AP mode later when we support CWM */
 
-	if (changed & IEEE80211_RC_HT_CHANGED) {
+	if (changed & IEEE80211_RC_BW_CHANGED) {
 		if (sc->sc_ah->opmode != NL80211_IFTYPE_STATION)
 			return;
 
-		if (oper_chan_type == NL80211_CHAN_HT40MINUS ||
-		    oper_chan_type == NL80211_CHAN_HT40PLUS)
+		if (sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)
 			oper_cw40 = true;
 
 		if (oper_cw40)

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

@@ -824,15 +824,20 @@ static bool ath9k_rx_accept(struct ath_common *common,
 	if (rx_stats->rs_keyix == ATH9K_RXKEYIX_INVALID)
 		rx_stats->rs_status &= ~ATH9K_RXERR_KEYMISS;
 
-	if (!rx_stats->rs_datalen)
+	if (!rx_stats->rs_datalen) {
+		RX_STAT_INC(rx_len_err);
 		return false;
+	}
+
         /*
          * rs_status follows rs_datalen so if rs_datalen is too large
          * we can take a hint that hardware corrupted it, so ignore
          * those frames.
          */
-	if (rx_stats->rs_datalen > (common->rx_bufsize - rx_status_len))
+	if (rx_stats->rs_datalen > (common->rx_bufsize - rx_status_len)) {
+		RX_STAT_INC(rx_len_err);
 		return false;
+	}
 
 	/* Only use error bits from the last fragment */
 	if (rx_stats->rs_more)
@@ -902,6 +907,7 @@ static int ath9k_process_rate(struct ath_common *common,
 	struct ieee80211_supported_band *sband;
 	enum ieee80211_band band;
 	unsigned int i = 0;
+	struct ath_softc *sc = (struct ath_softc *) common->priv;
 
 	band = hw->conf.channel->band;
 	sband = hw->wiphy->bands[band];
@@ -936,7 +942,7 @@ static int ath9k_process_rate(struct ath_common *common,
 	ath_dbg(common, ANY,
 		"unsupported hw bitrate detected 0x%02x using 1 Mbit\n",
 		rx_stats->rs_rate);
-
+	RX_STAT_INC(rx_rate_err);
 	return -EINVAL;
 }
 
@@ -1823,10 +1829,14 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp)
 
 		hdr = (struct ieee80211_hdr *) (hdr_skb->data + rx_status_len);
 		rxs = IEEE80211_SKB_RXCB(hdr_skb);
-		if (ieee80211_is_beacon(hdr->frame_control) &&
-		    !is_zero_ether_addr(common->curbssid) &&
-		    !compare_ether_addr(hdr->addr3, common->curbssid))
-			rs.is_mybeacon = true;
+		if (ieee80211_is_beacon(hdr->frame_control)) {
+			RX_STAT_INC(rx_beacons);
+			if (!is_zero_ether_addr(common->curbssid) &&
+			    !compare_ether_addr(hdr->addr3, common->curbssid))
+				rs.is_mybeacon = true;
+			else
+				rs.is_mybeacon = false;
+		}
 		else
 			rs.is_mybeacon = false;
 
@@ -1836,8 +1846,10 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp)
 		 * If we're asked to flush receive queue, directly
 		 * chain it back at the queue without processing it.
 		 */
-		if (sc->sc_flags & SC_OP_RXFLUSH)
+		if (sc->sc_flags & SC_OP_RXFLUSH) {
+			RX_STAT_INC(rx_drop_rxflush);
 			goto requeue_drop_frag;
+		}
 
 		memset(rxs, 0, sizeof(struct ieee80211_rx_status));
 
@@ -1855,6 +1867,10 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp)
 		if (retval)
 			goto requeue_drop_frag;
 
+		if (rs.is_mybeacon) {
+			sc->hw_busy_count = 0;
+			ath_start_rx_poll(sc, 3);
+		}
 		/* Ensure we always have an skb to requeue once we are done
 		 * processing the current buffer's skb */
 		requeue_skb = ath_rxbuf_alloc(common, common->rx_bufsize, GFP_ATOMIC);
@@ -1863,8 +1879,10 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp)
 		 * tell hardware it can give us a new frame using the old
 		 * skb and put it at the tail of the sc->rx.rxbuf list for
 		 * processing. */
-		if (!requeue_skb)
+		if (!requeue_skb) {
+			RX_STAT_INC(rx_oom_err);
 			goto requeue_drop_frag;
+		}
 
 		/* Unmap the frame */
 		dma_unmap_single(sc->dev, bf->bf_buf_addr,
@@ -1895,6 +1913,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp)
 		}
 
 		if (rs.rs_more) {
+			RX_STAT_INC(rx_frags);
 			/*
 			 * rs_more indicates chained descriptors which can be
 			 * used to link buffers together for a sort of
@@ -1904,6 +1923,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp)
 				/* too many fragments - cannot handle frame */
 				dev_kfree_skb_any(sc->rx.frag);
 				dev_kfree_skb_any(skb);
+				RX_STAT_INC(rx_too_many_frags_err);
 				skb = NULL;
 			}
 			sc->rx.frag = skb;
@@ -1915,6 +1935,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp)
 
 			if (pskb_expand_head(hdr_skb, 0, space, GFP_ATOMIC) < 0) {
 				dev_kfree_skb(skb);
+				RX_STAT_INC(rx_oom_err);
 				goto requeue_drop_frag;
 			}
 

drivers/net/wireless/ath/carl9170/cmd.h

@@ -114,7 +114,7 @@ __regwrite_out :							\
 
 #define carl9170_regwrite_result()					\
 	__err;								\
-} while (0);
+} while (0)
 
 
 #define carl9170_async_regwrite_get_buf()				\
@@ -126,7 +126,7 @@ do {									\
 		__err = -ENOMEM;					\
 		goto __async_regwrite_out;				\
 	}								\
-} while (0);
+} while (0)
 
 #define carl9170_async_regwrite_begin(carl)				\
 do {									\
@@ -169,6 +169,6 @@ __async_regwrite_out:							\
 
 #define carl9170_async_regwrite_result()				\
 	__err;								\
-} while (0);
+} while (0)
 
 #endif /* __CMD_H */

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

@@ -355,6 +355,8 @@ static int carl9170_fw(struct ar9170 *ar, const __u8 *data, size_t len)
 
 	ar->hw->wiphy->interface_modes |= if_comb_types;
 
+	ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
+
 #undef SUPPORTED
 	return carl9170_fw_tx_sequence(ar);
 }

drivers/net/wireless/ath/main.c

@@ -14,6 +14,8 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/kernel.h>
 #include <linux/module.h>
 
@@ -49,7 +51,7 @@ struct sk_buff *ath_rxbuf_alloc(struct ath_common *common,
 		if (off != 0)
 			skb_reserve(skb, common->cachelsz - off);
 	} else {
-		printk(KERN_ERR "skbuff alloc of size %u failed\n", len);
+		pr_err("skbuff alloc of size %u failed\n", len);
 		return NULL;
 	}
 

drivers/net/wireless/ath/regd.c

@@ -14,6 +14,8 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/kernel.h>
 #include <linux/export.h>
 #include <net/cfg80211.h>
@@ -562,7 +564,7 @@ static int __ath_regd_init(struct ath_regulatory *reg)
 	printk(KERN_DEBUG "ath: EEPROM regdomain: 0x%0x\n", reg->current_rd);
 
 	if (!ath_regd_is_eeprom_valid(reg)) {
-		printk(KERN_ERR "ath: Invalid EEPROM contents\n");
+		pr_err("Invalid EEPROM contents\n");
 		return -EINVAL;
 	}
 

drivers/net/wireless/b43/main.c

@@ -4010,6 +4010,20 @@ static int b43_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 	if (modparam_nohwcrypt)
 		return -ENOSPC; /* User disabled HW-crypto */
 
+	if ((vif->type == NL80211_IFTYPE_ADHOC ||
+	     vif->type == NL80211_IFTYPE_MESH_POINT) &&
+	    (key->cipher == WLAN_CIPHER_SUITE_TKIP ||
+	     key->cipher == WLAN_CIPHER_SUITE_CCMP) &&
+	    !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) {
+		/*
+		 * For now, disable hw crypto for the RSN IBSS group keys. This
+		 * could be optimized in the future, but until that gets
+		 * implemented, use of software crypto for group addressed
+		 * frames is a acceptable to allow RSN IBSS to be used.
+		 */
+		return -EOPNOTSUPP;
+	}
+
 	mutex_lock(&wl->mutex);
 
 	dev = wl->current_dev;
@@ -5275,6 +5289,8 @@ static struct b43_wl *b43_wireless_init(struct b43_bus_dev *dev)
 		BIT(NL80211_IFTYPE_WDS) |
 		BIT(NL80211_IFTYPE_ADHOC);
 
+	hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
+
 	hw->queues = modparam_qos ? B43_QOS_QUEUE_NUM : 1;
 	wl->mac80211_initially_registered_queues = hw->queues;
 	hw->max_rates = 2;

drivers/net/wireless/b43/xmit.c

@@ -378,7 +378,7 @@ int b43_generate_txhdr(struct b43_wldev *dev,
 	if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
 		phy_ctl |= B43_TXH_PHY_SHORTPRMBL;
 
-	switch (b43_ieee80211_antenna_sanitize(dev, info->antenna_sel_tx)) {
+	switch (b43_ieee80211_antenna_sanitize(dev, 0)) {
 	case 0: /* Default */
 		phy_ctl |= B43_TXH_PHY_ANT01AUTO;
 		break;

drivers/net/wireless/b43legacy/xmit.c

@@ -277,19 +277,7 @@ static int generate_txhdr_fw3(struct b43legacy_wldev *dev,
 		phy_ctl |= B43legacy_TX4_PHY_ENC_OFDM;
 	if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
 		phy_ctl |= B43legacy_TX4_PHY_SHORTPRMBL;
-	switch (info->antenna_sel_tx) {
-	case 0:
-		phy_ctl |= B43legacy_TX4_PHY_ANTLAST;
-		break;
-	case 1:
-		phy_ctl |= B43legacy_TX4_PHY_ANT0;
-		break;
-	case 2:
-		phy_ctl |= B43legacy_TX4_PHY_ANT1;
-		break;
-	default:
-		B43legacy_BUG_ON(1);
-	}
+	phy_ctl |= B43legacy_TX4_PHY_ANTLAST;
 
 	/* MAC control */
 	rates = info->control.rates;

drivers/net/wireless/brcm80211/brcmsmac/d11.h

@@ -733,7 +733,7 @@ struct cck_phy_hdr {
 	do { \
 		plcp[1] = len & 0xff; \
 		plcp[2] = ((len >> 8) & 0xff); \
-	} while (0);
+	} while (0)
 
 #define BRCMS_SET_MIMO_PLCP_AMPDU(plcp) (plcp[3] |= MIMO_PLCP_AMPDU)
 #define BRCMS_CLR_MIMO_PLCP_AMPDU(plcp) (plcp[3] &= ~MIMO_PLCP_AMPDU)

drivers/net/wireless/ipw2x00/ipw2100.h

@@ -135,15 +135,6 @@ enum {
 	IPW_HW_STATE_ENABLED = 0
 };
 
-struct ssid_context {
-	char ssid[IW_ESSID_MAX_SIZE + 1];
-	int ssid_len;
-	unsigned char bssid[ETH_ALEN];
-	int port_type;
-	int channel;
-
-};
-
 extern const char *port_type_str[];
 extern const char *band_str[];
 

drivers/net/wireless/ipw2x00/libipw.h

@@ -584,61 +584,6 @@ struct libipw_tim_parameters {
 
 /*******************************************************/
 
-enum {				/* libipw_basic_report.map */
-	LIBIPW_BASIC_MAP_BSS = (1 << 0),
-	LIBIPW_BASIC_MAP_OFDM = (1 << 1),
-	LIBIPW_BASIC_MAP_UNIDENTIFIED = (1 << 2),
-	LIBIPW_BASIC_MAP_RADAR = (1 << 3),
-	LIBIPW_BASIC_MAP_UNMEASURED = (1 << 4),
-	/* Bits 5-7 are reserved */
-
-};
-struct libipw_basic_report {
-	u8 channel;
-	__le64 start_time;
-	__le16 duration;
-	u8 map;
-} __packed;
-
-enum {				/* libipw_measurement_request.mode */
-	/* Bit 0 is reserved */
-	LIBIPW_MEASUREMENT_ENABLE = (1 << 1),
-	LIBIPW_MEASUREMENT_REQUEST = (1 << 2),
-	LIBIPW_MEASUREMENT_REPORT = (1 << 3),
-	/* Bits 4-7 are reserved */
-};
-
-enum {
-	LIBIPW_REPORT_BASIC = 0,	/* required */
-	LIBIPW_REPORT_CCA = 1,	/* optional */
-	LIBIPW_REPORT_RPI = 2,	/* optional */
-	/* 3-255 reserved */
-};
-
-struct libipw_measurement_params {
-	u8 channel;
-	__le64 start_time;
-	__le16 duration;
-} __packed;
-
-struct libipw_measurement_request {
-	struct libipw_info_element ie;
-	u8 token;
-	u8 mode;
-	u8 type;
-	struct libipw_measurement_params params[0];
-} __packed;
-
-struct libipw_measurement_report {
-	struct libipw_info_element ie;
-	u8 token;
-	u8 mode;
-	u8 type;
-	union {
-		struct libipw_basic_report basic[0];
-	} u;
-} __packed;
-
 struct libipw_tpc_report {
 	u8 transmit_power;
 	u8 link_margin;

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

@@ -2850,9 +2850,9 @@ void
 il4965_hwrate_to_tx_control(struct il_priv *il, u32 rate_n_flags,
 			    struct ieee80211_tx_info *info)
 {
-	struct ieee80211_tx_rate *r = &info->control.rates[0];
+	struct ieee80211_tx_rate *r = &info->status.rates[0];
 
-	info->antenna_sel_tx =
+	info->status.antenna =
 	    ((rate_n_flags & RATE_MCS_ANT_ABC_MSK) >> RATE_MCS_ANT_POS);
 	if (rate_n_flags & RATE_MCS_HT_MSK)
 		r->flags |= IEEE80211_TX_RC_MCS;

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

@@ -873,7 +873,7 @@ il4965_rs_tx_status(void *il_r, struct ieee80211_supported_band *sband,
 	    tbl_type.is_SGI != !!(mac_flags & IEEE80211_TX_RC_SHORT_GI) ||
 	    tbl_type.is_ht40 != !!(mac_flags & IEEE80211_TX_RC_40_MHZ_WIDTH) ||
 	    tbl_type.is_dup != !!(mac_flags & IEEE80211_TX_RC_DUP_DATA) ||
-	    tbl_type.ant_type != info->antenna_sel_tx ||
+	    tbl_type.ant_type != info->status.antenna ||
 	    !!(tx_rate & RATE_MCS_HT_MSK) != !!(mac_flags & IEEE80211_TX_RC_MCS)
 	    || !!(tx_rate & RATE_MCS_GF_MSK) !=
 	    !!(mac_flags & IEEE80211_TX_RC_GREEN_FIELD) || rs_idx != mac_idx) {

drivers/net/wireless/iwlwifi/Kconfig

@@ -136,3 +136,11 @@ config IWLWIFI_EXPERIMENTAL_MFP
 	  even if the microcode doesn't advertise it.
 
 	  Say Y only if you want to experiment with MFP.
+
+config IWLWIFI_UCODE16
+	bool "support uCode 16.0"
+	depends on IWLWIFI
+	help
+	  This option enables support for uCode version 16.0.
+
+	  Say Y if you want to use 16.0 microcode.

drivers/net/wireless/iwlwifi/Makefile

@@ -17,6 +17,8 @@ iwlwifi-objs		+= iwl-drv.o
 iwlwifi-objs		+= iwl-notif-wait.o
 iwlwifi-objs		+= iwl-trans-pcie.o iwl-trans-pcie-rx.o iwl-trans-pcie-tx.o
 
+
+iwlwifi-$(CONFIG_IWLWIFI_UCODE16) += iwl-phy-db.o
 iwlwifi-$(CONFIG_IWLWIFI_DEBUGFS) += iwl-debugfs.o
 iwlwifi-$(CONFIG_IWLWIFI_DEVICE_TRACING) += iwl-devtrace.o
 iwlwifi-$(CONFIG_IWLWIFI_DEVICE_TESTMODE) += iwl-testmode.o

drivers/net/wireless/iwlwifi/iwl-1000.c

@@ -157,7 +157,6 @@ static struct iwl_lib_ops iwl1000_lib = {
 
 static const struct iwl_base_params iwl1000_base_params = {
 	.num_of_queues = IWLAGN_NUM_QUEUES,
-	.num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
 	.eeprom_size = OTP_LOW_IMAGE_SIZE,
 	.pll_cfg_val = CSR50_ANA_PLL_CFG_VAL,
 	.max_ll_items = OTP_MAX_LL_ITEMS_1000,

drivers/net/wireless/iwlwifi/iwl-2000.c

@@ -86,9 +86,8 @@ static void iwl2000_nic_config(struct iwl_priv *priv)
 {
 	iwl_rf_config(priv);
 
-	if (cfg(priv)->iq_invert)
-		iwl_set_bit(trans(priv), CSR_GP_DRIVER_REG,
-			    CSR_GP_DRIVER_REG_BIT_RADIO_IQ_INVER);
+	iwl_set_bit(trans(priv), CSR_GP_DRIVER_REG,
+		    CSR_GP_DRIVER_REG_BIT_RADIO_IQ_INVER);
 }
 
 static const struct iwl_sensitivity_ranges iwl2000_sensitivity = {
@@ -172,7 +171,6 @@ static struct iwl_lib_ops iwl2030_lib = {
 static const struct iwl_base_params iwl2000_base_params = {
 	.eeprom_size = OTP_LOW_IMAGE_SIZE,
 	.num_of_queues = IWLAGN_NUM_QUEUES,
-	.num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
 	.pll_cfg_val = 0,
 	.max_ll_items = OTP_MAX_LL_ITEMS_2x00,
 	.shadow_ram_support = true,
@@ -191,7 +189,6 @@ static const struct iwl_base_params iwl2000_base_params = {
 static const struct iwl_base_params iwl2030_base_params = {
 	.eeprom_size = OTP_LOW_IMAGE_SIZE,
 	.num_of_queues = IWLAGN_NUM_QUEUES,
-	.num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
 	.pll_cfg_val = 0,
 	.max_ll_items = OTP_MAX_LL_ITEMS_2x00,
 	.shadow_ram_support = true,
@@ -234,8 +231,7 @@ static const struct iwl_bt_params iwl2030_bt_params = {
 	.base_params = &iwl2000_base_params,			\
 	.need_temp_offset_calib = true,				\
 	.temp_offset_v2 = true,					\
-	.led_mode = IWL_LED_RF_STATE,				\
-	.iq_invert = true					\
+	.led_mode = IWL_LED_RF_STATE
 
 const struct iwl_cfg iwl2000_2bgn_cfg = {
 	.name = "Intel(R) Centrino(R) Wireless-N 2200 BGN",
@@ -264,8 +260,7 @@ const struct iwl_cfg iwl2000_2bgn_d_cfg = {
 	.need_temp_offset_calib = true,				\
 	.temp_offset_v2 = true,					\
 	.led_mode = IWL_LED_RF_STATE,				\
-	.adv_pm = true,						\
-	.iq_invert = true					\
+	.adv_pm = true
 
 const struct iwl_cfg iwl2030_2bgn_cfg = {
 	.name = "Intel(R) Centrino(R) Wireless-N 2230 BGN",
@@ -288,8 +283,7 @@ const struct iwl_cfg iwl2030_2bgn_cfg = {
 	.temp_offset_v2 = true,					\
 	.led_mode = IWL_LED_RF_STATE,				\
 	.adv_pm = true,						\
-	.rx_with_siso_diversity = true,				\
-	.iq_invert = true					\
+	.rx_with_siso_diversity = true
 
 const struct iwl_cfg iwl105_bgn_cfg = {
 	.name = "Intel(R) Centrino(R) Wireless-N 105 BGN",
@@ -319,8 +313,7 @@ const struct iwl_cfg iwl105_bgn_d_cfg = {
 	.temp_offset_v2 = true,					\
 	.led_mode = IWL_LED_RF_STATE,				\
 	.adv_pm = true,						\
-	.rx_with_siso_diversity = true,				\
-	.iq_invert = true					\
+	.rx_with_siso_diversity = true
 
 const struct iwl_cfg iwl135_bgn_cfg = {
 	.name = "Intel(R) Centrino(R) Wireless-N 135 BGN",

drivers/net/wireless/iwlwifi/iwl-5000.c

@@ -308,7 +308,6 @@ static struct iwl_lib_ops iwl5150_lib = {
 static const struct iwl_base_params iwl5000_base_params = {
 	.eeprom_size = IWLAGN_EEPROM_IMG_SIZE,
 	.num_of_queues = IWLAGN_NUM_QUEUES,
-	.num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
 	.pll_cfg_val = CSR50_ANA_PLL_CFG_VAL,
 	.led_compensation = 51,
 	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF,

drivers/net/wireless/iwlwifi/iwl-6000.c

@@ -269,7 +269,6 @@ static struct iwl_lib_ops iwl6030_lib = {
 static const struct iwl_base_params iwl6000_base_params = {
 	.eeprom_size = OTP_LOW_IMAGE_SIZE,
 	.num_of_queues = IWLAGN_NUM_QUEUES,
-	.num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
 	.pll_cfg_val = 0,
 	.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
 	.shadow_ram_support = true,
@@ -286,7 +285,6 @@ static const struct iwl_base_params iwl6000_base_params = {
 static const struct iwl_base_params iwl6050_base_params = {
 	.eeprom_size = OTP_LOW_IMAGE_SIZE,
 	.num_of_queues = IWLAGN_NUM_QUEUES,
-	.num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
 	.pll_cfg_val = 0,
 	.max_ll_items = OTP_MAX_LL_ITEMS_6x50,
 	.shadow_ram_support = true,
@@ -303,7 +301,6 @@ static const struct iwl_base_params iwl6050_base_params = {
 static const struct iwl_base_params iwl6000_g2_base_params = {
 	.eeprom_size = OTP_LOW_IMAGE_SIZE,
 	.num_of_queues = IWLAGN_NUM_QUEUES,
-	.num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
 	.pll_cfg_val = 0,
 	.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
 	.shadow_ram_support = true,

drivers/net/wireless/iwlwifi/iwl-agn-hw.h

@@ -103,9 +103,6 @@
 /* EEPROM */
 #define IWLAGN_EEPROM_IMG_SIZE		2048
 
-#define IWLAGN_CMD_FIFO_NUM		7
 #define IWLAGN_NUM_QUEUES		20
-#define IWLAGN_NUM_AMPDU_QUEUES		9
-#define IWLAGN_FIRST_AMPDU_QUEUE	11
 
 #endif /* __iwl_agn_hw_h__ */

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

@@ -228,7 +228,7 @@ int iwlagn_txfifo_flush(struct iwl_priv *priv, u16 flush_control)
 				 IWL_SCD_BE_MSK | IWL_SCD_BK_MSK |
 				 IWL_SCD_MGMT_MSK;
 	if ((flush_control & BIT(IWL_RXON_CTX_PAN)) &&
-	    (priv->shrd->valid_contexts != BIT(IWL_RXON_CTX_BSS)))
+	    (priv->valid_contexts != BIT(IWL_RXON_CTX_BSS)))
 		flush_cmd.fifo_control |= IWL_PAN_SCD_VO_MSK |
 				IWL_PAN_SCD_VI_MSK | IWL_PAN_SCD_BE_MSK |
 				IWL_PAN_SCD_BK_MSK | IWL_PAN_SCD_MGMT_MSK |
@@ -615,7 +615,7 @@ static void iwlagn_print_uartmsg(struct iwl_priv *priv,
 				struct iwl_bt_uart_msg *uart_msg)
 {
 	IWL_DEBUG_COEX(priv, "Message Type = 0x%X, SSN = 0x%X, "
-			"Update Req = 0x%X",
+			"Update Req = 0x%X\n",
 		(BT_UART_MSG_FRAME1MSGTYPE_MSK & uart_msg->frame1) >>
 			BT_UART_MSG_FRAME1MSGTYPE_POS,
 		(BT_UART_MSG_FRAME1SSN_MSK & uart_msg->frame1) >>
@@ -624,7 +624,7 @@ static void iwlagn_print_uartmsg(struct iwl_priv *priv,
 			BT_UART_MSG_FRAME1UPDATEREQ_POS);
 
 	IWL_DEBUG_COEX(priv, "Open connections = 0x%X, Traffic load = 0x%X, "
-			"Chl_SeqN = 0x%X, In band = 0x%X",
+			"Chl_SeqN = 0x%X, In band = 0x%X\n",
 		(BT_UART_MSG_FRAME2OPENCONNECTIONS_MSK & uart_msg->frame2) >>
 			BT_UART_MSG_FRAME2OPENCONNECTIONS_POS,
 		(BT_UART_MSG_FRAME2TRAFFICLOAD_MSK & uart_msg->frame2) >>
@@ -635,7 +635,7 @@ static void iwlagn_print_uartmsg(struct iwl_priv *priv,
 			BT_UART_MSG_FRAME2INBAND_POS);
 
 	IWL_DEBUG_COEX(priv, "SCO/eSCO = 0x%X, Sniff = 0x%X, A2DP = 0x%X, "
-			"ACL = 0x%X, Master = 0x%X, OBEX = 0x%X",
+			"ACL = 0x%X, Master = 0x%X, OBEX = 0x%X\n",
 		(BT_UART_MSG_FRAME3SCOESCO_MSK & uart_msg->frame3) >>
 			BT_UART_MSG_FRAME3SCOESCO_POS,
 		(BT_UART_MSG_FRAME3SNIFF_MSK & uart_msg->frame3) >>
@@ -649,12 +649,12 @@ static void iwlagn_print_uartmsg(struct iwl_priv *priv,
 		(BT_UART_MSG_FRAME3OBEX_MSK & uart_msg->frame3) >>
 			BT_UART_MSG_FRAME3OBEX_POS);
 
-	IWL_DEBUG_COEX(priv, "Idle duration = 0x%X",
+	IWL_DEBUG_COEX(priv, "Idle duration = 0x%X\n",
 		(BT_UART_MSG_FRAME4IDLEDURATION_MSK & uart_msg->frame4) >>
 			BT_UART_MSG_FRAME4IDLEDURATION_POS);
 
 	IWL_DEBUG_COEX(priv, "Tx Activity = 0x%X, Rx Activity = 0x%X, "
-			"eSCO Retransmissions = 0x%X",
+			"eSCO Retransmissions = 0x%X\n",
 		(BT_UART_MSG_FRAME5TXACTIVITY_MSK & uart_msg->frame5) >>
 			BT_UART_MSG_FRAME5TXACTIVITY_POS,
 		(BT_UART_MSG_FRAME5RXACTIVITY_MSK & uart_msg->frame5) >>
@@ -662,14 +662,14 @@ static void iwlagn_print_uartmsg(struct iwl_priv *priv,
 		(BT_UART_MSG_FRAME5ESCORETRANSMIT_MSK & uart_msg->frame5) >>
 			BT_UART_MSG_FRAME5ESCORETRANSMIT_POS);
 
-	IWL_DEBUG_COEX(priv, "Sniff Interval = 0x%X, Discoverable = 0x%X",
+	IWL_DEBUG_COEX(priv, "Sniff Interval = 0x%X, Discoverable = 0x%X\n",
 		(BT_UART_MSG_FRAME6SNIFFINTERVAL_MSK & uart_msg->frame6) >>
 			BT_UART_MSG_FRAME6SNIFFINTERVAL_POS,
 		(BT_UART_MSG_FRAME6DISCOVERABLE_MSK & uart_msg->frame6) >>
 			BT_UART_MSG_FRAME6DISCOVERABLE_POS);
 
 	IWL_DEBUG_COEX(priv, "Sniff Activity = 0x%X, Page = "
-			"0x%X, Inquiry = 0x%X, Connectable = 0x%X",
+			"0x%X, Inquiry = 0x%X, Connectable = 0x%X\n",
 		(BT_UART_MSG_FRAME7SNIFFACTIVITY_MSK & uart_msg->frame7) >>
 			BT_UART_MSG_FRAME7SNIFFACTIVITY_POS,
 		(BT_UART_MSG_FRAME7PAGE_MSK & uart_msg->frame7) >>
@@ -856,7 +856,7 @@ static u8 iwl_count_chain_bitmap(u32 chain_bitmap)
 void iwlagn_set_rxon_chain(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
 {
 	bool is_single = is_single_rx_stream(priv);
-	bool is_cam = !test_bit(STATUS_POWER_PMI, &priv->shrd->status);
+	bool is_cam = !test_bit(STATUS_POWER_PMI, &priv->status);
 	u8 idle_rx_cnt, active_rx_cnt, valid_rx_cnt;
 	u32 active_chains;
 	u16 rx_chain;
@@ -1298,6 +1298,12 @@ int iwl_dvm_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
 		return -EIO;
 	}
 
+	if (test_bit(STATUS_FW_ERROR, &priv->status)) {
+		IWL_ERR(priv, "Command %s failed: FW Error\n",
+			get_cmd_string(cmd->id));
+		return -EIO;
+	}
+
 	/*
 	 * Synchronous commands from this op-mode must hold
 	 * the mutex, this ensures we don't try to send two

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

@@ -969,7 +969,7 @@ static void rs_tx_status(void *priv_r, struct ieee80211_supported_band *sband,
 	    (tbl_type.is_SGI != !!(mac_flags & IEEE80211_TX_RC_SHORT_GI)) ||
 	    (tbl_type.is_ht40 != !!(mac_flags & IEEE80211_TX_RC_40_MHZ_WIDTH)) ||
 	    (tbl_type.is_dup != !!(mac_flags & IEEE80211_TX_RC_DUP_DATA)) ||
-	    (tbl_type.ant_type != info->antenna_sel_tx) ||
+	    (tbl_type.ant_type != info->status.antenna) ||
 	    (!!(tx_rate & RATE_MCS_HT_MSK) != !!(mac_flags & IEEE80211_TX_RC_MCS)) ||
 	    (!!(tx_rate & RATE_MCS_GF_MSK) != !!(mac_flags & IEEE80211_TX_RC_GREEN_FIELD)) ||
 	    (rs_index != mac_index)) {
@@ -2166,7 +2166,7 @@ static void rs_stay_in_table(struct iwl_lq_sta *lq_sta, bool force_search)
 		    (lq_sta->total_success > lq_sta->max_success_limit) ||
 		    ((!lq_sta->search_better_tbl) && (lq_sta->flush_timer)
 		     && (flush_interval_passed))) {
-			IWL_DEBUG_RATE(priv, "LQ: stay is expired %d %d %d\n:",
+			IWL_DEBUG_RATE(priv, "LQ: stay is expired %d %d %d\n",
 				     lq_sta->total_failed,
 				     lq_sta->total_success,
 				     flush_interval_passed);

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

@@ -794,7 +794,7 @@ static void iwlagn_pass_packet_to_mac80211(struct iwl_priv *priv,
 		return;
 	}
 
-	offset = (void *)hdr - rxb_addr(rxb);
+	offset = (void *)hdr - rxb_addr(rxb) + rxb_offset(rxb);
 	p = rxb_steal_page(rxb);
 	skb_add_rx_frag(skb, 0, p, offset, len, len);
 
@@ -970,7 +970,7 @@ static int iwlagn_rx_reply_rx(struct iwl_priv *priv,
 	}
 
 	if ((unlikely(phy_res->cfg_phy_cnt > 20))) {
-		IWL_DEBUG_DROP(priv, "dsp size out of range [0,20]: %d/n",
+		IWL_DEBUG_DROP(priv, "dsp size out of range [0,20]: %d\n",
 				phy_res->cfg_phy_cnt);
 		return 0;
 	}
@@ -1134,9 +1134,6 @@ void iwl_setup_rx_handlers(struct iwl_priv *priv)
 	handlers[REPLY_COMPRESSED_BA]		=
 		iwlagn_rx_reply_compressed_ba;
 
-	/* init calibration handlers */
-	priv->rx_handlers[CALIBRATION_RES_NOTIFICATION] =
-					iwlagn_rx_calib_result;
 	priv->rx_handlers[REPLY_TX] = iwlagn_rx_reply_tx;
 
 	/* set up notification wait support */

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

@@ -24,6 +24,7 @@
  *
  *****************************************************************************/
 
+#include <linux/etherdevice.h>
 #include "iwl-dev.h"
 #include "iwl-agn.h"
 #include "iwl-core.h"
@@ -59,9 +60,12 @@ static int iwlagn_disable_pan(struct iwl_priv *priv,
 	__le32 old_filter = send->filter_flags;
 	u8 old_dev_type = send->dev_type;
 	int ret;
+	static const u8 deactivate_cmd[] = {
+		REPLY_WIPAN_DEACTIVATION_COMPLETE
+	};
 
 	iwl_init_notification_wait(&priv->notif_wait, &disable_wait,
-				   REPLY_WIPAN_DEACTIVATION_COMPLETE,
+				   deactivate_cmd, ARRAY_SIZE(deactivate_cmd),
 				   NULL, NULL);
 
 	send->filter_flags &= ~RXON_FILTER_ASSOC_MSK;
@@ -186,6 +190,109 @@ static int iwlagn_send_rxon_assoc(struct iwl_priv *priv,
 	return ret;
 }
 
+static u16 iwl_adjust_beacon_interval(u16 beacon_val, u16 max_beacon_val)
+{
+	u16 new_val;
+	u16 beacon_factor;
+
+	/*
+	 * If mac80211 hasn't given us a beacon interval, program
+	 * the default into the device (not checking this here
+	 * would cause the adjustment below to return the maximum
+	 * value, which may break PAN.)
+	 */
+	if (!beacon_val)
+		return DEFAULT_BEACON_INTERVAL;
+
+	/*
+	 * If the beacon interval we obtained from the peer
+	 * is too large, we'll have to wake up more often
+	 * (and in IBSS case, we'll beacon too much)
+	 *
+	 * For example, if max_beacon_val is 4096, and the
+	 * requested beacon interval is 7000, we'll have to
+	 * use 3500 to be able to wake up on the beacons.
+	 *
+	 * This could badly influence beacon detection stats.
+	 */
+
+	beacon_factor = (beacon_val + max_beacon_val) / max_beacon_val;
+	new_val = beacon_val / beacon_factor;
+
+	if (!new_val)
+		new_val = max_beacon_val;
+
+	return new_val;
+}
+
+static int iwl_send_rxon_timing(struct iwl_priv *priv,
+				struct iwl_rxon_context *ctx)
+{
+	u64 tsf;
+	s32 interval_tm, rem;
+	struct ieee80211_conf *conf = NULL;
+	u16 beacon_int;
+	struct ieee80211_vif *vif = ctx->vif;
+
+	conf = &priv->hw->conf;
+
+	lockdep_assert_held(&priv->mutex);
+
+	memset(&ctx->timing, 0, sizeof(struct iwl_rxon_time_cmd));
+
+	ctx->timing.timestamp = cpu_to_le64(priv->timestamp);
+	ctx->timing.listen_interval = cpu_to_le16(conf->listen_interval);
+
+	beacon_int = vif ? vif->bss_conf.beacon_int : 0;
+
+	/*
+	 * TODO: For IBSS we need to get atim_window from mac80211,
+	 *	 for now just always use 0
+	 */
+	ctx->timing.atim_window = 0;
+
+	if (ctx->ctxid == IWL_RXON_CTX_PAN &&
+	    (!ctx->vif || ctx->vif->type != NL80211_IFTYPE_STATION) &&
+	    iwl_is_associated(priv, IWL_RXON_CTX_BSS) &&
+	    priv->contexts[IWL_RXON_CTX_BSS].vif &&
+	    priv->contexts[IWL_RXON_CTX_BSS].vif->bss_conf.beacon_int) {
+		ctx->timing.beacon_interval =
+			priv->contexts[IWL_RXON_CTX_BSS].timing.beacon_interval;
+		beacon_int = le16_to_cpu(ctx->timing.beacon_interval);
+	} else if (ctx->ctxid == IWL_RXON_CTX_BSS &&
+		   iwl_is_associated(priv, IWL_RXON_CTX_PAN) &&
+		   priv->contexts[IWL_RXON_CTX_PAN].vif &&
+		   priv->contexts[IWL_RXON_CTX_PAN].vif->bss_conf.beacon_int &&
+		   (!iwl_is_associated_ctx(ctx) || !ctx->vif ||
+		    !ctx->vif->bss_conf.beacon_int)) {
+		ctx->timing.beacon_interval =
+			priv->contexts[IWL_RXON_CTX_PAN].timing.beacon_interval;
+		beacon_int = le16_to_cpu(ctx->timing.beacon_interval);
+	} else {
+		beacon_int = iwl_adjust_beacon_interval(beacon_int,
+			IWL_MAX_UCODE_BEACON_INTERVAL * TIME_UNIT);
+		ctx->timing.beacon_interval = cpu_to_le16(beacon_int);
+	}
+
+	ctx->beacon_int = beacon_int;
+
+	tsf = priv->timestamp; /* tsf is modifed by do_div: copy it */
+	interval_tm = beacon_int * TIME_UNIT;
+	rem = do_div(tsf, interval_tm);
+	ctx->timing.beacon_init_val = cpu_to_le32(interval_tm - rem);
+
+	ctx->timing.dtim_period = vif ? (vif->bss_conf.dtim_period ?: 1) : 1;
+
+	IWL_DEBUG_ASSOC(priv,
+			"beacon interval %d beacon timer %d beacon tim %d\n",
+			le16_to_cpu(ctx->timing.beacon_interval),
+			le32_to_cpu(ctx->timing.beacon_init_val),
+			le16_to_cpu(ctx->timing.atim_window));
+
+	return iwl_dvm_send_cmd_pdu(priv, ctx->rxon_timing_cmd,
+				CMD_SYNC, sizeof(ctx->timing), &ctx->timing);
+}
+
 static int iwlagn_rxon_disconn(struct iwl_priv *priv,
 			       struct iwl_rxon_context *ctx)
 {
@@ -309,7 +416,7 @@ int iwlagn_set_pan_params(struct iwl_priv *priv)
 	int slot0 = 300, slot1 = 0;
 	int ret;
 
-	if (priv->shrd->valid_contexts == BIT(IWL_RXON_CTX_BSS))
+	if (priv->valid_contexts == BIT(IWL_RXON_CTX_BSS))
 		return 0;
 
 	BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2);
@@ -394,6 +501,154 @@ int iwlagn_set_pan_params(struct iwl_priv *priv)
 	return ret;
 }
 
+static void iwl_set_rxon_hwcrypto(struct iwl_priv *priv,
+				  struct iwl_rxon_context *ctx, int hw_decrypt)
+{
+	struct iwl_rxon_cmd *rxon = &ctx->staging;
+
+	if (hw_decrypt)
+		rxon->filter_flags &= ~RXON_FILTER_DIS_DECRYPT_MSK;
+	else
+		rxon->filter_flags |= RXON_FILTER_DIS_DECRYPT_MSK;
+
+}
+
+/* validate RXON structure is valid */
+static int iwl_check_rxon_cmd(struct iwl_priv *priv,
+			      struct iwl_rxon_context *ctx)
+{
+	struct iwl_rxon_cmd *rxon = &ctx->staging;
+	u32 errors = 0;
+
+	if (rxon->flags & RXON_FLG_BAND_24G_MSK) {
+		if (rxon->flags & RXON_FLG_TGJ_NARROW_BAND_MSK) {
+			IWL_WARN(priv, "check 2.4G: wrong narrow\n");
+			errors |= BIT(0);
+		}
+		if (rxon->flags & RXON_FLG_RADAR_DETECT_MSK) {
+			IWL_WARN(priv, "check 2.4G: wrong radar\n");
+			errors |= BIT(1);
+		}
+	} else {
+		if (!(rxon->flags & RXON_FLG_SHORT_SLOT_MSK)) {
+			IWL_WARN(priv, "check 5.2G: not short slot!\n");
+			errors |= BIT(2);
+		}
+		if (rxon->flags & RXON_FLG_CCK_MSK) {
+			IWL_WARN(priv, "check 5.2G: CCK!\n");
+			errors |= BIT(3);
+		}
+	}
+	if ((rxon->node_addr[0] | rxon->bssid_addr[0]) & 0x1) {
+		IWL_WARN(priv, "mac/bssid mcast!\n");
+		errors |= BIT(4);
+	}
+
+	/* make sure basic rates 6Mbps and 1Mbps are supported */
+	if ((rxon->ofdm_basic_rates & IWL_RATE_6M_MASK) == 0 &&
+	    (rxon->cck_basic_rates & IWL_RATE_1M_MASK) == 0) {
+		IWL_WARN(priv, "neither 1 nor 6 are basic\n");
+		errors |= BIT(5);
+	}
+
+	if (le16_to_cpu(rxon->assoc_id) > 2007) {
+		IWL_WARN(priv, "aid > 2007\n");
+		errors |= BIT(6);
+	}
+
+	if ((rxon->flags & (RXON_FLG_CCK_MSK | RXON_FLG_SHORT_SLOT_MSK))
+			== (RXON_FLG_CCK_MSK | RXON_FLG_SHORT_SLOT_MSK)) {
+		IWL_WARN(priv, "CCK and short slot\n");
+		errors |= BIT(7);
+	}
+
+	if ((rxon->flags & (RXON_FLG_CCK_MSK | RXON_FLG_AUTO_DETECT_MSK))
+			== (RXON_FLG_CCK_MSK | RXON_FLG_AUTO_DETECT_MSK)) {
+		IWL_WARN(priv, "CCK and auto detect");
+		errors |= BIT(8);
+	}
+
+	if ((rxon->flags & (RXON_FLG_AUTO_DETECT_MSK |
+			    RXON_FLG_TGG_PROTECT_MSK)) ==
+			    RXON_FLG_TGG_PROTECT_MSK) {
+		IWL_WARN(priv, "TGg but no auto-detect\n");
+		errors |= BIT(9);
+	}
+
+	if (rxon->channel == 0) {
+		IWL_WARN(priv, "zero channel is invalid\n");
+		errors |= BIT(10);
+	}
+
+	WARN(errors, "Invalid RXON (%#x), channel %d",
+	     errors, le16_to_cpu(rxon->channel));
+
+	return errors ? -EINVAL : 0;
+}
+
+/**
+ * iwl_full_rxon_required - check if full RXON (vs RXON_ASSOC) cmd is needed
+ * @priv: staging_rxon is compared to active_rxon
+ *
+ * If the RXON structure is changing enough to require a new tune,
+ * or is clearing the RXON_FILTER_ASSOC_MSK, then return 1 to indicate that
+ * a new tune (full RXON command, rather than RXON_ASSOC cmd) is required.
+ */
+static int iwl_full_rxon_required(struct iwl_priv *priv,
+				  struct iwl_rxon_context *ctx)
+{
+	const struct iwl_rxon_cmd *staging = &ctx->staging;
+	const struct iwl_rxon_cmd *active = &ctx->active;
+
+#define CHK(cond)							\
+	if ((cond)) {							\
+		IWL_DEBUG_INFO(priv, "need full RXON - " #cond "\n");	\
+		return 1;						\
+	}
+
+#define CHK_NEQ(c1, c2)						\
+	if ((c1) != (c2)) {					\
+		IWL_DEBUG_INFO(priv, "need full RXON - "	\
+			       #c1 " != " #c2 " - %d != %d\n",	\
+			       (c1), (c2));			\
+		return 1;					\
+	}
+
+	/* These items are only settable from the full RXON command */
+	CHK(!iwl_is_associated_ctx(ctx));
+	CHK(compare_ether_addr(staging->bssid_addr, active->bssid_addr));
+	CHK(compare_ether_addr(staging->node_addr, active->node_addr));
+	CHK(compare_ether_addr(staging->wlap_bssid_addr,
+				active->wlap_bssid_addr));
+	CHK_NEQ(staging->dev_type, active->dev_type);
+	CHK_NEQ(staging->channel, active->channel);
+	CHK_NEQ(staging->air_propagation, active->air_propagation);
+	CHK_NEQ(staging->ofdm_ht_single_stream_basic_rates,
+		active->ofdm_ht_single_stream_basic_rates);
+	CHK_NEQ(staging->ofdm_ht_dual_stream_basic_rates,
+		active->ofdm_ht_dual_stream_basic_rates);
+	CHK_NEQ(staging->ofdm_ht_triple_stream_basic_rates,
+		active->ofdm_ht_triple_stream_basic_rates);
+	CHK_NEQ(staging->assoc_id, active->assoc_id);
+
+	/* flags, filter_flags, ofdm_basic_rates, and cck_basic_rates can
+	 * be updated with the RXON_ASSOC command -- however only some
+	 * flag transitions are allowed using RXON_ASSOC */
+
+	/* Check if we are not switching bands */
+	CHK_NEQ(staging->flags & RXON_FLG_BAND_24G_MSK,
+		active->flags & RXON_FLG_BAND_24G_MSK);
+
+	/* Check if we are switching association toggle */
+	CHK_NEQ(staging->filter_flags & RXON_FILTER_ASSOC_MSK,
+		active->filter_flags & RXON_FILTER_ASSOC_MSK);
+
+#undef CHK
+#undef CHK_NEQ
+
+	return 0;
+}
+
 /**
  * iwlagn_commit_rxon - commit staging_rxon to hardware
  *
@@ -547,7 +802,7 @@ int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed)
 	const struct iwl_channel_info *ch_info;
 	int ret = 0;
 
-	IWL_DEBUG_MAC80211(priv, "enter: changed %#x", changed);
+	IWL_DEBUG_MAC80211(priv, "enter: changed %#x\n", changed);
 
 	mutex_lock(&priv->mutex);
 

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

@@ -40,6 +40,17 @@
 #include "iwl-agn.h"
 #include "iwl-trans.h"
 
+static const u8 tid_to_ac[] = {
+	IEEE80211_AC_BE,
+	IEEE80211_AC_BK,
+	IEEE80211_AC_BK,
+	IEEE80211_AC_BE,
+	IEEE80211_AC_VI,
+	IEEE80211_AC_VI,
+	IEEE80211_AC_VO,
+	IEEE80211_AC_VO,
+};
+
 static void iwlagn_tx_cmd_protection(struct iwl_priv *priv,
 				     struct ieee80211_tx_info *info,
 				     __le16 fc, __le32 *tx_flags)
@@ -293,6 +304,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 	u16 len, seq_number = 0;
 	u8 sta_id, tid = IWL_MAX_TID_COUNT;
 	bool is_agg = false;
+	int txq_id;
 
 	if (info->control.vif)
 		ctx = iwl_rxon_ctx_from_vif(info->control.vif);
@@ -435,7 +447,27 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 	/* Copy MAC header from skb into command buffer */
 	memcpy(tx_cmd->hdr, hdr, hdr_len);
 
-	if (iwl_trans_tx(trans(priv), skb, dev_cmd, ctx->ctxid, sta_id, tid))
+	if (is_agg)
+		txq_id = priv->tid_data[sta_id][tid].agg.txq_id;
+	else if (info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM) {
+		/*
+		 * Send this frame after DTIM -- there's a special queue
+		 * reserved for this for contexts that support AP mode.
+		 */
+		txq_id = ctx->mcast_queue;
+
+		/*
+		 * The microcode will clear the more data
+		 * bit in the last frame it transmits.
+		 */
+		hdr->frame_control |=
+			cpu_to_le16(IEEE80211_FCTL_MOREDATA);
+	} else if (info->flags & IEEE80211_TX_CTL_TX_OFFCHAN)
+		txq_id = IWL_AUX_QUEUE;
+	else
+		txq_id = ctx->ac_to_queue[skb_get_queue_mapping(skb)];
+
+	if (iwl_trans_tx(trans(priv), skb, dev_cmd, txq_id))
 		goto drop_unlock_sta;
 
 	if (ieee80211_is_data_qos(fc) && !ieee80211_is_qos_nullfunc(fc) &&
@@ -464,11 +496,32 @@ drop_unlock_priv:
 	return -1;
 }
 
+static int iwlagn_alloc_agg_txq(struct iwl_priv *priv, int ac)
+{
+	int q;
+
+	for (q = IWLAGN_FIRST_AMPDU_QUEUE;
+	     q < cfg(priv)->base_params->num_of_queues; q++) {
+		if (!test_and_set_bit(q, priv->agg_q_alloc)) {
+			priv->queue_to_ac[q] = ac;
+			return q;
+		}
+	}
+
+	return -ENOSPC;
+}
+
+static void iwlagn_dealloc_agg_txq(struct iwl_priv *priv, int q)
+{
+	clear_bit(q, priv->agg_q_alloc);
+	priv->queue_to_ac[q] = IWL_INVALID_AC;
+}
+
 int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
 			struct ieee80211_sta *sta, u16 tid)
 {
 	struct iwl_tid_data *tid_data;
-	int sta_id;
+	int sta_id, txq_id;
 
 	sta_id = iwl_sta_id(sta);
 
@@ -480,6 +533,7 @@ int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
 	spin_lock_bh(&priv->sta_lock);
 
 	tid_data = &priv->tid_data[sta_id][tid];
+	txq_id = priv->tid_data[sta_id][tid].agg.txq_id;
 
 	switch (priv->tid_data[sta_id][tid].agg.state) {
 	case IWL_EMPTYING_HW_QUEUE_ADDBA:
@@ -504,9 +558,13 @@ int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
 	tid_data->agg.ssn = SEQ_TO_SN(tid_data->seq_number);
 
 	/* There are still packets for this RA / TID in the HW */
-	if (tid_data->agg.ssn != tid_data->next_reclaimed) {
+	if (!test_bit(txq_id, priv->agg_q_alloc)) {
+		IWL_DEBUG_TX_QUEUES(priv,
+			"stopping AGG on STA/TID %d/%d but hwq %d not used\n",
+			sta_id, tid, txq_id);
+	} else if (tid_data->agg.ssn != tid_data->next_reclaimed) {
 		IWL_DEBUG_TX_QUEUES(priv, "Can't proceed: ssn %d, "
-				    "next_recl = %d",
+				    "next_recl = %d\n",
 				    tid_data->agg.ssn,
 				    tid_data->next_reclaimed);
 		priv->tid_data[sta_id][tid].agg.state =
@@ -515,14 +573,17 @@ int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
 		return 0;
 	}
 
-	IWL_DEBUG_TX_QUEUES(priv, "Can proceed: ssn = next_recl = %d",
+	IWL_DEBUG_TX_QUEUES(priv, "Can proceed: ssn = next_recl = %d\n",
 			    tid_data->agg.ssn);
 turn_off:
 	priv->tid_data[sta_id][tid].agg.state = IWL_AGG_OFF;
 
 	spin_unlock_bh(&priv->sta_lock);
 
-	iwl_trans_tx_agg_disable(trans(priv), sta_id, tid);
+	if (test_bit(txq_id, priv->agg_q_alloc)) {
+		iwl_trans_tx_agg_disable(trans(priv), txq_id);
+		iwlagn_dealloc_agg_txq(priv, txq_id);
+	}
 
 	ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
 
@@ -533,8 +594,7 @@ int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
 			struct ieee80211_sta *sta, u16 tid, u16 *ssn)
 {
 	struct iwl_tid_data *tid_data;
-	int sta_id;
-	int ret;
+	int sta_id, txq_id, ret;
 
 	IWL_DEBUG_HT(priv, "TX AGG request on ra = %pM tid = %d\n",
 		     sta->addr, tid);
@@ -552,36 +612,37 @@ int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
 		return -ENXIO;
 	}
 
+	txq_id = iwlagn_alloc_agg_txq(priv, tid_to_ac[tid]);
+	if (txq_id < 0) {
+		IWL_DEBUG_TX_QUEUES(priv,
+			"No free aggregation queue for %pM/%d\n",
+			sta->addr, tid);
+		return txq_id;
+	}
+
 	ret = iwl_sta_tx_modify_enable_tid(priv, sta_id, tid);
 	if (ret)
 		return ret;
 
 	spin_lock_bh(&priv->sta_lock);
-
 	tid_data = &priv->tid_data[sta_id][tid];
 	tid_data->agg.ssn = SEQ_TO_SN(tid_data->seq_number);
+	tid_data->agg.txq_id = txq_id;
 
 	*ssn = tid_data->agg.ssn;
 
-	ret = iwl_trans_tx_agg_alloc(trans(priv), sta_id, tid);
-	if (ret) {
-		spin_unlock_bh(&priv->sta_lock);
-		return ret;
-	}
-
 	if (*ssn == tid_data->next_reclaimed) {
-		IWL_DEBUG_TX_QUEUES(priv, "Can proceed: ssn = next_recl = %d",
+		IWL_DEBUG_TX_QUEUES(priv, "Can proceed: ssn = next_recl = %d\n",
 				    tid_data->agg.ssn);
 		tid_data->agg.state = IWL_AGG_ON;
 		ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
 	} else {
 		IWL_DEBUG_TX_QUEUES(priv, "Can't proceed: ssn %d, "
-				    "next_reclaimed = %d",
+				    "next_reclaimed = %d\n",
 				    tid_data->agg.ssn,
 				    tid_data->next_reclaimed);
 		tid_data->agg.state = IWL_EMPTYING_HW_QUEUE_ADDBA;
 	}
-
 	spin_unlock_bh(&priv->sta_lock);
 
 	return ret;
@@ -592,15 +653,20 @@ int iwlagn_tx_agg_oper(struct iwl_priv *priv, struct ieee80211_vif *vif,
 {
 	struct iwl_station_priv *sta_priv = (void *) sta->drv_priv;
 	struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif);
+	int q, fifo;
 	u16 ssn;
 
 	buf_size = min_t(int, buf_size, LINK_QUAL_AGG_FRAME_LIMIT_DEF);
 
 	spin_lock_bh(&priv->sta_lock);
 	ssn = priv->tid_data[sta_priv->sta_id][tid].agg.ssn;
+	q = priv->tid_data[sta_priv->sta_id][tid].agg.txq_id;
 	spin_unlock_bh(&priv->sta_lock);
 
-	iwl_trans_tx_agg_setup(trans(priv), ctx->ctxid, sta_priv->sta_id, tid,
+	fifo = ctx->ac_to_fifo[tid_to_ac[tid]];
+
+	iwl_trans_tx_agg_setup(trans(priv), q, fifo,
+			       sta_priv->sta_id, tid,
 			       buf_size, ssn);
 
 	/*
@@ -666,7 +732,9 @@ static void iwlagn_check_ratid_empty(struct iwl_priv *priv, int sta_id, u8 tid)
 			IWL_DEBUG_TX_QUEUES(priv,
 				"Can continue DELBA flow ssn = next_recl ="
 				" %d", tid_data->next_reclaimed);
-			iwl_trans_tx_agg_disable(trans(priv), sta_id, tid);
+			iwl_trans_tx_agg_disable(trans(priv),
+						 tid_data->agg.txq_id);
+			iwlagn_dealloc_agg_txq(priv, tid_data->agg.txq_id);
 			tid_data->agg.state = IWL_AGG_OFF;
 			ieee80211_stop_tx_ba_cb_irqsafe(vif, addr, tid);
 		}
@@ -711,9 +779,9 @@ static void iwlagn_non_agg_tx_status(struct iwl_priv *priv,
 static void iwlagn_hwrate_to_tx_control(struct iwl_priv *priv, u32 rate_n_flags,
 				  struct ieee80211_tx_info *info)
 {
-	struct ieee80211_tx_rate *r = &info->control.rates[0];
+	struct ieee80211_tx_rate *r = &info->status.rates[0];
 
-	info->antenna_sel_tx =
+	info->status.antenna =
 		((rate_n_flags & RATE_MCS_ANT_ABC_MSK) >> RATE_MCS_ANT_POS);
 	if (rate_n_flags & RATE_MCS_HT_MSK)
 		r->flags |= IEEE80211_TX_RC_MCS;
@@ -1005,6 +1073,29 @@ static void iwl_check_abort_status(struct iwl_priv *priv,
 	}
 }
 
+static int iwl_reclaim(struct iwl_priv *priv, int sta_id, int tid,
+		       int txq_id, int ssn, struct sk_buff_head *skbs)
+{
+	if (unlikely(txq_id >= IWLAGN_FIRST_AMPDU_QUEUE &&
+		     tid != IWL_TID_NON_QOS &&
+		     txq_id != priv->tid_data[sta_id][tid].agg.txq_id)) {
+		/*
+		 * FIXME: this is a uCode bug which need to be addressed,
+		 * log the information and return for now.
+		 * Since it is can possibly happen very often and in order
+		 * not to fill the syslog, don't use IWL_ERR or IWL_WARN
+		 */
+		IWL_DEBUG_TX_QUEUES(priv,
+			"Bad queue mapping txq_id=%d, agg_txq[sta:%d,tid:%d]=%d\n",
+			txq_id, sta_id, tid,
+			priv->tid_data[sta_id][tid].agg.txq_id);
+		return 1;
+	}
+
+	iwl_trans_reclaim(trans(priv), txq_id, ssn, skbs);
+	return 0;
+}
+
 int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb,
 			       struct iwl_device_cmd *cmd)
 {
@@ -1059,13 +1150,12 @@ int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb,
 		if (tid != IWL_TID_NON_QOS) {
 			priv->tid_data[sta_id][tid].next_reclaimed =
 				next_reclaimed;
-			IWL_DEBUG_TX_REPLY(priv, "Next reclaimed packet:%d",
+			IWL_DEBUG_TX_REPLY(priv, "Next reclaimed packet:%d\n",
 						  next_reclaimed);
 		}
 
 		/*we can free until ssn % q.n_bd not inclusive */
-		WARN_ON(iwl_trans_reclaim(trans(priv), sta_id, tid,
-					  txq_id, ssn, &skbs));
+		WARN_ON(iwl_reclaim(priv, sta_id, tid, txq_id, ssn, &skbs));
 		iwlagn_check_ratid_empty(priv, sta_id, tid);
 		freed = 0;
 
@@ -1183,8 +1273,8 @@ int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
 	/* Release all TFDs before the SSN, i.e. all TFDs in front of
 	 * block-ack window (we assume that they've been successfully
 	 * transmitted ... if not, it's too late anyway). */
-	if (iwl_trans_reclaim(trans(priv), sta_id, tid, scd_flow,
-			      ba_resp_scd_ssn, &reclaimed_skbs)) {
+	if (iwl_reclaim(priv, sta_id, tid, scd_flow,
+			ba_resp_scd_ssn, &reclaimed_skbs)) {
 		spin_unlock(&priv->sta_lock);
 		return 0;
 	}

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

@@ -26,6 +26,9 @@
  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  *
  *****************************************************************************/
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/init.h>
@@ -379,7 +382,7 @@ static void iwl_continuous_event_trace(struct iwl_priv *priv)
 	u32 num_wraps;  /* # times uCode wrapped to top of log */
 	u32 next_entry; /* index of next entry to be written by uCode */
 
-	base = priv->shrd->device_pointers.log_event_table;
+	base = priv->device_pointers.log_event_table;
 	if (iwlagn_hw_valid_rtc_data_addr(base)) {
 		iwl_read_targ_mem_words(trans(priv), base, &read, sizeof(read));
 
@@ -488,6 +491,93 @@ static void iwl_bg_tx_flush(struct work_struct *work)
 	iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL);
 }
 
+/*
+ * queue/FIFO/AC mapping definitions
+ */
+
+#define IWL_TX_FIFO_BK		0	/* shared */
+#define IWL_TX_FIFO_BE		1
+#define IWL_TX_FIFO_VI		2	/* shared */
+#define IWL_TX_FIFO_VO		3
+#define IWL_TX_FIFO_BK_IPAN	IWL_TX_FIFO_BK
+#define IWL_TX_FIFO_BE_IPAN	4
+#define IWL_TX_FIFO_VI_IPAN	IWL_TX_FIFO_VI
+#define IWL_TX_FIFO_VO_IPAN	5
+/* re-uses the VO FIFO, uCode will properly flush/schedule */
+#define IWL_TX_FIFO_AUX		5
+#define IWL_TX_FIFO_UNUSED	-1
+
+#define IWLAGN_CMD_FIFO_NUM	7
+
+/*
+ * This queue number is required for proper operation
+ * because the ucode will stop/start the scheduler as
+ * required.
+ */
+#define IWL_IPAN_MCAST_QUEUE	8
+
+static const u8 iwlagn_default_queue_to_tx_fifo[] = {
+	IWL_TX_FIFO_VO,
+	IWL_TX_FIFO_VI,
+	IWL_TX_FIFO_BE,
+	IWL_TX_FIFO_BK,
+	IWLAGN_CMD_FIFO_NUM,
+};
+
+static const u8 iwlagn_ipan_queue_to_tx_fifo[] = {
+	IWL_TX_FIFO_VO,
+	IWL_TX_FIFO_VI,
+	IWL_TX_FIFO_BE,
+	IWL_TX_FIFO_BK,
+	IWL_TX_FIFO_BK_IPAN,
+	IWL_TX_FIFO_BE_IPAN,
+	IWL_TX_FIFO_VI_IPAN,
+	IWL_TX_FIFO_VO_IPAN,
+	IWL_TX_FIFO_BE_IPAN,
+	IWLAGN_CMD_FIFO_NUM,
+	IWL_TX_FIFO_AUX,
+};
+
+static const u8 iwlagn_bss_ac_to_fifo[] = {
+	IWL_TX_FIFO_VO,
+	IWL_TX_FIFO_VI,
+	IWL_TX_FIFO_BE,
+	IWL_TX_FIFO_BK,
+};
+
+static const u8 iwlagn_bss_ac_to_queue[] = {
+	0, 1, 2, 3,
+};
+
+static const u8 iwlagn_pan_ac_to_fifo[] = {
+	IWL_TX_FIFO_VO_IPAN,
+	IWL_TX_FIFO_VI_IPAN,
+	IWL_TX_FIFO_BE_IPAN,
+	IWL_TX_FIFO_BK_IPAN,
+};
+
+static const u8 iwlagn_pan_ac_to_queue[] = {
+	7, 6, 5, 4,
+};
+
+static const u8 iwlagn_bss_queue_to_ac[] = {
+	IEEE80211_AC_VO,
+	IEEE80211_AC_VI,
+	IEEE80211_AC_BE,
+	IEEE80211_AC_BK,
+};
+
+static const u8 iwlagn_pan_queue_to_ac[] = {
+	IEEE80211_AC_VO,
+	IEEE80211_AC_VI,
+	IEEE80211_AC_BE,
+	IEEE80211_AC_BK,
+	IEEE80211_AC_BK,
+	IEEE80211_AC_BE,
+	IEEE80211_AC_VI,
+	IEEE80211_AC_VO,
+};
+
 static void iwl_init_context(struct iwl_priv *priv, u32 ucode_flags)
 {
 	int i;
@@ -496,9 +586,9 @@ static void iwl_init_context(struct iwl_priv *priv, u32 ucode_flags)
 	 * The default context is always valid,
 	 * the PAN context depends on uCode.
 	 */
-	priv->shrd->valid_contexts = BIT(IWL_RXON_CTX_BSS);
+	priv->valid_contexts = BIT(IWL_RXON_CTX_BSS);
 	if (ucode_flags & IWL_UCODE_TLV_FLAGS_PAN)
-		priv->shrd->valid_contexts |= BIT(IWL_RXON_CTX_PAN);
+		priv->valid_contexts |= BIT(IWL_RXON_CTX_PAN);
 
 	for (i = 0; i < NUM_IWL_RXON_CTX; i++)
 		priv->contexts[i].ctxid = i;
@@ -520,6 +610,10 @@ static void iwl_init_context(struct iwl_priv *priv, u32 ucode_flags)
 	priv->contexts[IWL_RXON_CTX_BSS].ibss_devtype = RXON_DEV_TYPE_IBSS;
 	priv->contexts[IWL_RXON_CTX_BSS].station_devtype = RXON_DEV_TYPE_ESS;
 	priv->contexts[IWL_RXON_CTX_BSS].unused_devtype = RXON_DEV_TYPE_ESS;
+	memcpy(priv->contexts[IWL_RXON_CTX_BSS].ac_to_queue,
+	       iwlagn_bss_ac_to_queue, sizeof(iwlagn_bss_ac_to_queue));
+	memcpy(priv->contexts[IWL_RXON_CTX_BSS].ac_to_fifo,
+	       iwlagn_bss_ac_to_fifo, sizeof(iwlagn_bss_ac_to_fifo));
 
 	priv->contexts[IWL_RXON_CTX_PAN].rxon_cmd = REPLY_WIPAN_RXON;
 	priv->contexts[IWL_RXON_CTX_PAN].rxon_timing_cmd =
@@ -542,6 +636,11 @@ static void iwl_init_context(struct iwl_priv *priv, u32 ucode_flags)
 	priv->contexts[IWL_RXON_CTX_PAN].ap_devtype = RXON_DEV_TYPE_CP;
 	priv->contexts[IWL_RXON_CTX_PAN].station_devtype = RXON_DEV_TYPE_2STA;
 	priv->contexts[IWL_RXON_CTX_PAN].unused_devtype = RXON_DEV_TYPE_P2P;
+	memcpy(priv->contexts[IWL_RXON_CTX_PAN].ac_to_queue,
+	       iwlagn_pan_ac_to_queue, sizeof(iwlagn_pan_ac_to_queue));
+	memcpy(priv->contexts[IWL_RXON_CTX_PAN].ac_to_fifo,
+	       iwlagn_pan_ac_to_fifo, sizeof(iwlagn_pan_ac_to_fifo));
+	priv->contexts[IWL_RXON_CTX_PAN].mcast_queue = IWL_IPAN_MCAST_QUEUE;
 
 	BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2);
 }
@@ -824,11 +923,10 @@ void iwl_down(struct iwl_priv *priv)
 				STATUS_RF_KILL_HW |
 			test_bit(STATUS_GEO_CONFIGURED, &priv->status) <<
 				STATUS_GEO_CONFIGURED |
+			test_bit(STATUS_FW_ERROR, &priv->status) <<
+				STATUS_FW_ERROR |
 			test_bit(STATUS_EXIT_PENDING, &priv->status) <<
 				STATUS_EXIT_PENDING;
-	priv->shrd->status &=
-			test_bit(STATUS_FW_ERROR, &priv->shrd->status) <<
-				STATUS_FW_ERROR;
 
 	dev_kfree_skb(priv->beacon_skb);
 	priv->beacon_skb = NULL;
@@ -869,6 +967,7 @@ void iwlagn_prepare_restart(struct iwl_priv *priv)
 	u8 bt_load;
 	u8 bt_status;
 	bool bt_is_sco;
+	int i;
 
 	lockdep_assert_held(&priv->mutex);
 
@@ -898,6 +997,15 @@ void iwlagn_prepare_restart(struct iwl_priv *priv)
 	priv->bt_traffic_load = bt_load;
 	priv->bt_status = bt_status;
 	priv->bt_is_sco = bt_is_sco;
+
+	/* reset all queues */
+	for (i = 0; i < IEEE80211_NUM_ACS; i++)
+		atomic_set(&priv->ac_stop_count[i], 0);
+
+	for (i = IWLAGN_FIRST_AMPDU_QUEUE; i < IWL_MAX_HW_QUEUES; i++)
+		priv->queue_to_ac[i] = IWL_INVALID_AC;
+
+	memset(priv->agg_q_alloc, 0, sizeof(priv->agg_q_alloc));
 }
 
 static void iwl_bg_restart(struct work_struct *data)
@@ -907,7 +1015,7 @@ static void iwl_bg_restart(struct work_struct *data)
 	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
 		return;
 
-	if (test_and_clear_bit(STATUS_FW_ERROR, &priv->shrd->status)) {
+	if (test_and_clear_bit(STATUS_FW_ERROR, &priv->status)) {
 		mutex_lock(&priv->mutex);
 		iwlagn_prepare_restart(priv);
 		mutex_unlock(&priv->mutex);
@@ -1028,6 +1136,189 @@ static void iwl_init_hw_rates(struct ieee80211_rate *rates)
 	}
 }
 
+#define MAX_BIT_RATE_40_MHZ 150 /* Mbps */
+#define MAX_BIT_RATE_20_MHZ 72 /* Mbps */
+static void iwl_init_ht_hw_capab(const struct iwl_priv *priv,
+			      struct ieee80211_sta_ht_cap *ht_info,
+			      enum ieee80211_band band)
+{
+	u16 max_bit_rate = 0;
+	u8 rx_chains_num = hw_params(priv).rx_chains_num;
+	u8 tx_chains_num = hw_params(priv).tx_chains_num;
+
+	ht_info->cap = 0;
+	memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
+
+	ht_info->ht_supported = true;
+
+	if (cfg(priv)->ht_params &&
+	    cfg(priv)->ht_params->ht_greenfield_support)
+		ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD;
+	ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
+	max_bit_rate = MAX_BIT_RATE_20_MHZ;
+	if (hw_params(priv).ht40_channel & BIT(band)) {
+		ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
+		ht_info->cap |= IEEE80211_HT_CAP_SGI_40;
+		ht_info->mcs.rx_mask[4] = 0x01;
+		max_bit_rate = MAX_BIT_RATE_40_MHZ;
+	}
+
+	if (iwlagn_mod_params.amsdu_size_8K)
+		ht_info->cap |= IEEE80211_HT_CAP_MAX_AMSDU;
+
+	ht_info->ampdu_factor = CFG_HT_RX_AMPDU_FACTOR_DEF;
+	ht_info->ampdu_density = CFG_HT_MPDU_DENSITY_DEF;
+
+	ht_info->mcs.rx_mask[0] = 0xFF;
+	if (rx_chains_num >= 2)
+		ht_info->mcs.rx_mask[1] = 0xFF;
+	if (rx_chains_num >= 3)
+		ht_info->mcs.rx_mask[2] = 0xFF;
+
+	/* Highest supported Rx data rate */
+	max_bit_rate *= rx_chains_num;
+	WARN_ON(max_bit_rate & ~IEEE80211_HT_MCS_RX_HIGHEST_MASK);
+	ht_info->mcs.rx_highest = cpu_to_le16(max_bit_rate);
+
+	/* Tx MCS capabilities */
+	ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
+	if (tx_chains_num != rx_chains_num) {
+		ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF;
+		ht_info->mcs.tx_params |= ((tx_chains_num - 1) <<
+				IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT);
+	}
+}
+
+/**
+ * iwl_init_geos - Initialize mac80211's geo/channel info based from eeprom
+ */
+static int iwl_init_geos(struct iwl_priv *priv)
+{
+	struct iwl_channel_info *ch;
+	struct ieee80211_supported_band *sband;
+	struct ieee80211_channel *channels;
+	struct ieee80211_channel *geo_ch;
+	struct ieee80211_rate *rates;
+	int i = 0;
+	s8 max_tx_power = IWLAGN_TX_POWER_TARGET_POWER_MIN;
+
+	if (priv->bands[IEEE80211_BAND_2GHZ].n_bitrates ||
+	    priv->bands[IEEE80211_BAND_5GHZ].n_bitrates) {
+		IWL_DEBUG_INFO(priv, "Geography modes already initialized.\n");
+		set_bit(STATUS_GEO_CONFIGURED, &priv->status);
+		return 0;
+	}
+
+	channels = kcalloc(priv->channel_count,
+			   sizeof(struct ieee80211_channel), GFP_KERNEL);
+	if (!channels)
+		return -ENOMEM;
+
+	rates = kcalloc(IWL_RATE_COUNT_LEGACY, sizeof(struct ieee80211_rate),
+			GFP_KERNEL);
+	if (!rates) {
+		kfree(channels);
+		return -ENOMEM;
+	}
+
+	/* 5.2GHz channels start after the 2.4GHz channels */
+	sband = &priv->bands[IEEE80211_BAND_5GHZ];
+	sband->channels = &channels[ARRAY_SIZE(iwl_eeprom_band_1)];
+	/* just OFDM */
+	sband->bitrates = &rates[IWL_FIRST_OFDM_RATE];
+	sband->n_bitrates = IWL_RATE_COUNT_LEGACY - IWL_FIRST_OFDM_RATE;
+
+	if (hw_params(priv).sku & EEPROM_SKU_CAP_11N_ENABLE)
+		iwl_init_ht_hw_capab(priv, &sband->ht_cap,
+					 IEEE80211_BAND_5GHZ);
+
+	sband = &priv->bands[IEEE80211_BAND_2GHZ];
+	sband->channels = channels;
+	/* OFDM & CCK */
+	sband->bitrates = rates;
+	sband->n_bitrates = IWL_RATE_COUNT_LEGACY;
+
+	if (hw_params(priv).sku & EEPROM_SKU_CAP_11N_ENABLE)
+		iwl_init_ht_hw_capab(priv, &sband->ht_cap,
+					 IEEE80211_BAND_2GHZ);
+
+	priv->ieee_channels = channels;
+	priv->ieee_rates = rates;
+
+	for (i = 0;  i < priv->channel_count; i++) {
+		ch = &priv->channel_info[i];
+
+		/* FIXME: might be removed if scan is OK */
+		if (!is_channel_valid(ch))
+			continue;
+
+		sband =  &priv->bands[ch->band];
+
+		geo_ch = &sband->channels[sband->n_channels++];
+
+		geo_ch->center_freq =
+			ieee80211_channel_to_frequency(ch->channel, ch->band);
+		geo_ch->max_power = ch->max_power_avg;
+		geo_ch->max_antenna_gain = 0xff;
+		geo_ch->hw_value = ch->channel;
+
+		if (is_channel_valid(ch)) {
+			if (!(ch->flags & EEPROM_CHANNEL_IBSS))
+				geo_ch->flags |= IEEE80211_CHAN_NO_IBSS;
+
+			if (!(ch->flags & EEPROM_CHANNEL_ACTIVE))
+				geo_ch->flags |= IEEE80211_CHAN_PASSIVE_SCAN;
+
+			if (ch->flags & EEPROM_CHANNEL_RADAR)
+				geo_ch->flags |= IEEE80211_CHAN_RADAR;
+
+			geo_ch->flags |= ch->ht40_extension_channel;
+
+			if (ch->max_power_avg > max_tx_power)
+				max_tx_power = ch->max_power_avg;
+		} else {
+			geo_ch->flags |= IEEE80211_CHAN_DISABLED;
+		}
+
+		IWL_DEBUG_INFO(priv, "Channel %d Freq=%d[%sGHz] %s flag=0x%X\n",
+				ch->channel, geo_ch->center_freq,
+				is_channel_a_band(ch) ?  "5.2" : "2.4",
+				geo_ch->flags & IEEE80211_CHAN_DISABLED ?
+				"restricted" : "valid",
+				 geo_ch->flags);
+	}
+
+	priv->tx_power_device_lmt = max_tx_power;
+	priv->tx_power_user_lmt = max_tx_power;
+	priv->tx_power_next = max_tx_power;
+
+	if ((priv->bands[IEEE80211_BAND_5GHZ].n_channels == 0) &&
+	     hw_params(priv).sku & EEPROM_SKU_CAP_BAND_52GHZ) {
+		IWL_INFO(priv, "Incorrectly detected BG card as ABG. "
+			"Please send your %s to maintainer.\n",
+			trans(priv)->hw_id_str);
+		hw_params(priv).sku &= ~EEPROM_SKU_CAP_BAND_52GHZ;
+	}
+
+	IWL_INFO(priv, "Tunable channels: %d 802.11bg, %d 802.11a channels\n",
+		   priv->bands[IEEE80211_BAND_2GHZ].n_channels,
+		   priv->bands[IEEE80211_BAND_5GHZ].n_channels);
+
+	set_bit(STATUS_GEO_CONFIGURED, &priv->status);
+
+	return 0;
+}
+
+/*
+ * iwl_free_geos - undo allocations in iwl_init_geos
+ */
+static void iwl_free_geos(struct iwl_priv *priv)
+{
+	kfree(priv->ieee_channels);
+	kfree(priv->ieee_rates);
+	clear_bit(STATUS_GEO_CONFIGURED, &priv->status);
+}
+
 static int iwl_init_drv(struct iwl_priv *priv)
 {
 	int ret;
@@ -1130,8 +1421,6 @@ static void iwl_set_hw_params(struct iwl_priv *priv)
 	if (iwlagn_mod_params.disable_11n & IWL_DISABLE_HT_ALL)
 		hw_params(priv).sku &= ~EEPROM_SKU_CAP_11N_ENABLE;
 
-	hw_params(priv).num_ampdu_queues =
-		cfg(priv)->base_params->num_of_ampdu_queues;
 	hw_params(priv).wd_timeout = cfg(priv)->base_params->wd_timeout;
 
 	/* Device-specific setup */
@@ -1178,7 +1467,6 @@ static void iwl_debug_config(struct iwl_priv *priv)
 static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans,
 						 const struct iwl_fw *fw)
 {
-	int err = 0;
 	struct iwl_priv *priv;
 	struct ieee80211_hw *hw;
 	struct iwl_op_mode *op_mode;
@@ -1193,6 +1481,9 @@ static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans,
 		STATISTICS_NOTIFICATION,
 		REPLY_TX,
 	};
+	const u8 *q_to_ac;
+	int n_q_to_ac;
+	int i;
 
 	/************************
 	 * 1. Allocating HW data
@@ -1201,7 +1492,6 @@ static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans,
 	if (!hw) {
 		pr_err("%s: Cannot allocate network device\n",
 				cfg(trans)->name);
-		err = -ENOMEM;
 		goto out;
 	}
 
@@ -1210,8 +1500,6 @@ static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans,
 	priv = IWL_OP_MODE_GET_DVM(op_mode);
 	priv->shrd = trans->shrd;
 	priv->fw = fw;
-	/* TODO: remove fw from shared data later */
-	priv->shrd->fw = fw;
 
 	/*
 	 * Populate the state variables that the transport layer needs
@@ -1230,9 +1518,19 @@ static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans,
 	if (ucode_flags & IWL_UCODE_TLV_FLAGS_PAN) {
 		priv->sta_key_max_num = STA_KEY_MAX_NUM_PAN;
 		trans_cfg.cmd_queue = IWL_IPAN_CMD_QUEUE_NUM;
+		trans_cfg.queue_to_fifo = iwlagn_ipan_queue_to_tx_fifo;
+		trans_cfg.n_queue_to_fifo =
+			ARRAY_SIZE(iwlagn_ipan_queue_to_tx_fifo);
+		q_to_ac = iwlagn_pan_queue_to_ac;
+		n_q_to_ac = ARRAY_SIZE(iwlagn_pan_queue_to_ac);
 	} else {
 		priv->sta_key_max_num = STA_KEY_MAX_NUM;
 		trans_cfg.cmd_queue = IWL_DEFAULT_CMD_QUEUE_NUM;
+		trans_cfg.queue_to_fifo = iwlagn_default_queue_to_tx_fifo;
+		trans_cfg.n_queue_to_fifo =
+			ARRAY_SIZE(iwlagn_default_queue_to_tx_fifo);
+		q_to_ac = iwlagn_bss_queue_to_ac;
+		n_q_to_ac = ARRAY_SIZE(iwlagn_bss_queue_to_ac);
 	}
 
 	/* Configure transport layer */
@@ -1273,26 +1571,24 @@ static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans,
 	IWL_INFO(priv, "Detected %s, REV=0x%X\n",
 		cfg(priv)->name, trans(priv)->hw_rev);
 
-	err = iwl_trans_start_hw(trans(priv));
-	if (err)
+	if (iwl_trans_start_hw(trans(priv)))
 		goto out_free_traffic_mem;
 
 	/*****************
 	 * 3. Read EEPROM
 	 *****************/
-	err = iwl_eeprom_init(trans(priv), trans(priv)->hw_rev);
-	/* Reset chip to save power until we load uCode during "up". */
-	iwl_trans_stop_hw(trans(priv));
-	if (err) {
+	/* Read the EEPROM */
+	if (iwl_eeprom_init(trans(priv), trans(priv)->hw_rev)) {
 		IWL_ERR(priv, "Unable to init EEPROM\n");
 		goto out_free_traffic_mem;
 	}
-	err = iwl_eeprom_check_version(priv);
-	if (err)
+	/* Reset chip to save power until we load uCode during "up". */
+	iwl_trans_stop_hw(trans(priv));
+
+	if (iwl_eeprom_check_version(priv))
 		goto out_free_eeprom;
 
-	err = iwl_eeprom_init_hw_params(priv);
-	if (err)
+	if (iwl_eeprom_init_hw_params(priv))
 		goto out_free_eeprom;
 
 	/* extract MAC Address */
@@ -1323,6 +1619,11 @@ static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans,
 		ucode_flags &= ~IWL_UCODE_TLV_FLAGS_P2P;
 		priv->sta_key_max_num = STA_KEY_MAX_NUM;
 		trans_cfg.cmd_queue = IWL_DEFAULT_CMD_QUEUE_NUM;
+		trans_cfg.queue_to_fifo = iwlagn_default_queue_to_tx_fifo;
+		trans_cfg.n_queue_to_fifo =
+			ARRAY_SIZE(iwlagn_default_queue_to_tx_fifo);
+		q_to_ac = iwlagn_bss_queue_to_ac;
+		n_q_to_ac = ARRAY_SIZE(iwlagn_bss_queue_to_ac);
 
 		/* Configure transport layer again*/
 		iwl_trans_configure(trans(priv), &trans_cfg);
@@ -1331,10 +1632,22 @@ static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans,
 	/*******************
 	 * 5. Setup priv
 	 *******************/
+	for (i = 0; i < IEEE80211_NUM_ACS; i++)
+		atomic_set(&priv->ac_stop_count[i], 0);
 
-	err = iwl_init_drv(priv);
-	if (err)
+	for (i = 0; i < IWL_MAX_HW_QUEUES; i++) {
+		if (i < n_q_to_ac)
+			priv->queue_to_ac[i] = q_to_ac[i];
+		else
+			priv->queue_to_ac[i] = IWL_INVALID_AC;
+	}
+
+	WARN_ON(trans_cfg.queue_to_fifo[trans_cfg.cmd_queue] !=
+						IWLAGN_CMD_FIFO_NUM);
+
+	if (iwl_init_drv(priv))
 		goto out_free_eeprom;
+
 	/* At this point both hw and priv are initialized. */
 
 	/********************
@@ -1367,15 +1680,12 @@ static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans,
 	 *
 	 * 7. Setup and register with mac80211 and debugfs
 	 **************************************************/
-	err = iwlagn_mac_setup_register(priv, &fw->ucode_capa);
-	if (err)
+	if (iwlagn_mac_setup_register(priv, &fw->ucode_capa))
 		goto out_destroy_workqueue;
 
-	err = iwl_dbgfs_register(priv, DRV_NAME);
-	if (err)
+	if (iwl_dbgfs_register(priv, DRV_NAME))
 		IWL_ERR(priv,
-			"failed to create debugfs files. Ignoring error: %d\n",
-			err);
+			"failed to create debugfs files. Ignoring error\n");
 
 	return op_mode;
 
@@ -1429,13 +1739,399 @@ static void iwl_op_mode_dvm_stop(struct iwl_op_mode *op_mode)
 	ieee80211_free_hw(priv->hw);
 }
 
+static const char * const desc_lookup_text[] = {
+	"OK",
+	"FAIL",
+	"BAD_PARAM",
+	"BAD_CHECKSUM",
+	"NMI_INTERRUPT_WDG",
+	"SYSASSERT",
+	"FATAL_ERROR",
+	"BAD_COMMAND",
+	"HW_ERROR_TUNE_LOCK",
+	"HW_ERROR_TEMPERATURE",
+	"ILLEGAL_CHAN_FREQ",
+	"VCC_NOT_STABLE",
+	"FH_ERROR",
+	"NMI_INTERRUPT_HOST",
+	"NMI_INTERRUPT_ACTION_PT",
+	"NMI_INTERRUPT_UNKNOWN",
+	"UCODE_VERSION_MISMATCH",
+	"HW_ERROR_ABS_LOCK",
+	"HW_ERROR_CAL_LOCK_FAIL",
+	"NMI_INTERRUPT_INST_ACTION_PT",
+	"NMI_INTERRUPT_DATA_ACTION_PT",
+	"NMI_TRM_HW_ER",
+	"NMI_INTERRUPT_TRM",
+	"NMI_INTERRUPT_BREAK_POINT",
+	"DEBUG_0",
+	"DEBUG_1",
+	"DEBUG_2",
+	"DEBUG_3",
+};
+
+static struct { char *name; u8 num; } advanced_lookup[] = {
+	{ "NMI_INTERRUPT_WDG", 0x34 },
+	{ "SYSASSERT", 0x35 },
+	{ "UCODE_VERSION_MISMATCH", 0x37 },
+	{ "BAD_COMMAND", 0x38 },
+	{ "NMI_INTERRUPT_DATA_ACTION_PT", 0x3C },
+	{ "FATAL_ERROR", 0x3D },
+	{ "NMI_TRM_HW_ERR", 0x46 },
+	{ "NMI_INTERRUPT_TRM", 0x4C },
+	{ "NMI_INTERRUPT_BREAK_POINT", 0x54 },
+	{ "NMI_INTERRUPT_WDG_RXF_FULL", 0x5C },
+	{ "NMI_INTERRUPT_WDG_NO_RBD_RXF_FULL", 0x64 },
+	{ "NMI_INTERRUPT_HOST", 0x66 },
+	{ "NMI_INTERRUPT_ACTION_PT", 0x7C },
+	{ "NMI_INTERRUPT_UNKNOWN", 0x84 },
+	{ "NMI_INTERRUPT_INST_ACTION_PT", 0x86 },
+	{ "ADVANCED_SYSASSERT", 0 },
+};
+
+static const char *desc_lookup(u32 num)
+{
+	int i;
+	int max = ARRAY_SIZE(desc_lookup_text);
+
+	if (num < max)
+		return desc_lookup_text[num];
+
+	max = ARRAY_SIZE(advanced_lookup) - 1;
+	for (i = 0; i < max; i++) {
+		if (advanced_lookup[i].num == num)
+			break;
+	}
+	return advanced_lookup[i].name;
+}
+
+#define ERROR_START_OFFSET  (1 * sizeof(u32))
+#define ERROR_ELEM_SIZE     (7 * sizeof(u32))
+
+static void iwl_dump_nic_error_log(struct iwl_priv *priv)
+{
+	struct iwl_trans *trans = trans(priv);
+	u32 base;
+	struct iwl_error_event_table table;
+
+	base = priv->device_pointers.error_event_table;
+	if (priv->cur_ucode == IWL_UCODE_INIT) {
+		if (!base)
+			base = priv->fw->init_errlog_ptr;
+	} else {
+		if (!base)
+			base = priv->fw->inst_errlog_ptr;
+	}
+
+	if (!iwlagn_hw_valid_rtc_data_addr(base)) {
+		IWL_ERR(priv,
+			"Not valid error log pointer 0x%08X for %s uCode\n",
+			base,
+			(priv->cur_ucode == IWL_UCODE_INIT)
+					? "Init" : "RT");
+		return;
+	}
+
+	/*TODO: Update dbgfs with ISR error stats obtained below */
+	iwl_read_targ_mem_words(trans, base, &table, sizeof(table));
+
+	if (ERROR_START_OFFSET <= table.valid * ERROR_ELEM_SIZE) {
+		IWL_ERR(trans, "Start IWL Error Log Dump:\n");
+		IWL_ERR(trans, "Status: 0x%08lX, count: %d\n",
+			priv->shrd->status, table.valid);
+	}
+
+	trace_iwlwifi_dev_ucode_error(trans->dev, table.error_id, table.tsf_low,
+				      table.data1, table.data2, table.line,
+				      table.blink1, table.blink2, table.ilink1,
+				      table.ilink2, table.bcon_time, table.gp1,
+				      table.gp2, table.gp3, table.ucode_ver,
+				      table.hw_ver, table.brd_ver);
+	IWL_ERR(priv, "0x%08X | %-28s\n", table.error_id,
+		desc_lookup(table.error_id));
+	IWL_ERR(priv, "0x%08X | uPc\n", table.pc);
+	IWL_ERR(priv, "0x%08X | branchlink1\n", table.blink1);
+	IWL_ERR(priv, "0x%08X | branchlink2\n", table.blink2);
+	IWL_ERR(priv, "0x%08X | interruptlink1\n", table.ilink1);
+	IWL_ERR(priv, "0x%08X | interruptlink2\n", table.ilink2);
+	IWL_ERR(priv, "0x%08X | data1\n", table.data1);
+	IWL_ERR(priv, "0x%08X | data2\n", table.data2);
+	IWL_ERR(priv, "0x%08X | line\n", table.line);
+	IWL_ERR(priv, "0x%08X | beacon time\n", table.bcon_time);
+	IWL_ERR(priv, "0x%08X | tsf low\n", table.tsf_low);
+	IWL_ERR(priv, "0x%08X | tsf hi\n", table.tsf_hi);
+	IWL_ERR(priv, "0x%08X | time gp1\n", table.gp1);
+	IWL_ERR(priv, "0x%08X | time gp2\n", table.gp2);
+	IWL_ERR(priv, "0x%08X | time gp3\n", table.gp3);
+	IWL_ERR(priv, "0x%08X | uCode version\n", table.ucode_ver);
+	IWL_ERR(priv, "0x%08X | hw version\n", table.hw_ver);
+	IWL_ERR(priv, "0x%08X | board version\n", table.brd_ver);
+	IWL_ERR(priv, "0x%08X | hcmd\n", table.hcmd);
+	IWL_ERR(priv, "0x%08X | isr0\n", table.isr0);
+	IWL_ERR(priv, "0x%08X | isr1\n", table.isr1);
+	IWL_ERR(priv, "0x%08X | isr2\n", table.isr2);
+	IWL_ERR(priv, "0x%08X | isr3\n", table.isr3);
+	IWL_ERR(priv, "0x%08X | isr4\n", table.isr4);
+	IWL_ERR(priv, "0x%08X | isr_pref\n", table.isr_pref);
+	IWL_ERR(priv, "0x%08X | wait_event\n", table.wait_event);
+	IWL_ERR(priv, "0x%08X | l2p_control\n", table.l2p_control);
+	IWL_ERR(priv, "0x%08X | l2p_duration\n", table.l2p_duration);
+	IWL_ERR(priv, "0x%08X | l2p_mhvalid\n", table.l2p_mhvalid);
+	IWL_ERR(priv, "0x%08X | l2p_addr_match\n", table.l2p_addr_match);
+	IWL_ERR(priv, "0x%08X | lmpm_pmg_sel\n", table.lmpm_pmg_sel);
+	IWL_ERR(priv, "0x%08X | timestamp\n", table.u_timestamp);
+	IWL_ERR(priv, "0x%08X | flow_handler\n", table.flow_handler);
+}
+
+#define EVENT_START_OFFSET  (4 * sizeof(u32))
+
+/**
+ * iwl_print_event_log - Dump error event log to syslog
+ *
+ */
+static int iwl_print_event_log(struct iwl_priv *priv, u32 start_idx,
+			       u32 num_events, u32 mode,
+			       int pos, char **buf, size_t bufsz)
+{
+	u32 i;
+	u32 base;       /* SRAM byte address of event log header */
+	u32 event_size; /* 2 u32s, or 3 u32s if timestamp recorded */
+	u32 ptr;        /* SRAM byte address of log data */
+	u32 ev, time, data; /* event log data */
+	unsigned long reg_flags;
+
+	struct iwl_trans *trans = trans(priv);
+
+	if (num_events == 0)
+		return pos;
+
+	base = priv->device_pointers.log_event_table;
+	if (priv->cur_ucode == IWL_UCODE_INIT) {
+		if (!base)
+			base = priv->fw->init_evtlog_ptr;
+	} else {
+		if (!base)
+			base = priv->fw->inst_evtlog_ptr;
+	}
+
+	if (mode == 0)
+		event_size = 2 * sizeof(u32);
+	else
+		event_size = 3 * sizeof(u32);
+
+	ptr = base + EVENT_START_OFFSET + (start_idx * event_size);
+
+	/* Make sure device is powered up for SRAM reads */
+	spin_lock_irqsave(&trans->reg_lock, reg_flags);
+	if (unlikely(!iwl_grab_nic_access(trans)))
+		goto out_unlock;
+
+	/* Set starting address; reads will auto-increment */
+	iwl_write32(trans, HBUS_TARG_MEM_RADDR, ptr);
+
+	/* "time" is actually "data" for mode 0 (no timestamp).
+	* place event id # at far right for easier visual parsing. */
+	for (i = 0; i < num_events; i++) {
+		ev = iwl_read32(trans, HBUS_TARG_MEM_RDAT);
+		time = iwl_read32(trans, HBUS_TARG_MEM_RDAT);
+		if (mode == 0) {
+			/* data, ev */
+			if (bufsz) {
+				pos += scnprintf(*buf + pos, bufsz - pos,
+						"EVT_LOG:0x%08x:%04u\n",
+						time, ev);
+			} else {
+				trace_iwlwifi_dev_ucode_event(trans->dev, 0,
+					time, ev);
+				IWL_ERR(priv, "EVT_LOG:0x%08x:%04u\n",
+					time, ev);
+			}
+		} else {
+			data = iwl_read32(trans, HBUS_TARG_MEM_RDAT);
+			if (bufsz) {
+				pos += scnprintf(*buf + pos, bufsz - pos,
+						"EVT_LOGT:%010u:0x%08x:%04u\n",
+						 time, data, ev);
+			} else {
+				IWL_ERR(priv, "EVT_LOGT:%010u:0x%08x:%04u\n",
+					time, data, ev);
+				trace_iwlwifi_dev_ucode_event(trans->dev, time,
+					data, ev);
+			}
+		}
+	}
+
+	/* Allow device to power down */
+	iwl_release_nic_access(trans);
+out_unlock:
+	spin_unlock_irqrestore(&trans->reg_lock, reg_flags);
+	return pos;
+}
+
+/**
+ * iwl_print_last_event_logs - Dump the newest # of event log to syslog
+ */
+static int iwl_print_last_event_logs(struct iwl_priv *priv, u32 capacity,
+				    u32 num_wraps, u32 next_entry,
+				    u32 size, u32 mode,
+				    int pos, char **buf, size_t bufsz)
+{
+	/*
+	 * display the newest DEFAULT_LOG_ENTRIES entries
+	 * i.e the entries just before the next ont that uCode would fill.
+	 */
+	if (num_wraps) {
+		if (next_entry < size) {
+			pos = iwl_print_event_log(priv,
+						capacity - (size - next_entry),
+						size - next_entry, mode,
+						pos, buf, bufsz);
+			pos = iwl_print_event_log(priv, 0,
+						  next_entry, mode,
+						  pos, buf, bufsz);
+		} else
+			pos = iwl_print_event_log(priv, next_entry - size,
+						  size, mode, pos, buf, bufsz);
+	} else {
+		if (next_entry < size) {
+			pos = iwl_print_event_log(priv, 0, next_entry,
+						  mode, pos, buf, bufsz);
+		} else {
+			pos = iwl_print_event_log(priv, next_entry - size,
+						  size, mode, pos, buf, bufsz);
+		}
+	}
+	return pos;
+}
+
+#define DEFAULT_DUMP_EVENT_LOG_ENTRIES (20)
+
+int iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log,
+			    char **buf, bool display)
+{
+	u32 base;       /* SRAM byte address of event log header */
+	u32 capacity;   /* event log capacity in # entries */
+	u32 mode;       /* 0 - no timestamp, 1 - timestamp recorded */
+	u32 num_wraps;  /* # times uCode wrapped to top of log */
+	u32 next_entry; /* index of next entry to be written by uCode */
+	u32 size;       /* # entries that we'll print */
+	u32 logsize;
+	int pos = 0;
+	size_t bufsz = 0;
+	struct iwl_trans *trans = trans(priv);
+
+	base = priv->device_pointers.log_event_table;
+	if (priv->cur_ucode == IWL_UCODE_INIT) {
+		logsize = priv->fw->init_evtlog_size;
+		if (!base)
+			base = priv->fw->init_evtlog_ptr;
+	} else {
+		logsize = priv->fw->inst_evtlog_size;
+		if (!base)
+			base = priv->fw->inst_evtlog_ptr;
+	}
+
+	if (!iwlagn_hw_valid_rtc_data_addr(base)) {
+		IWL_ERR(priv,
+			"Invalid event log pointer 0x%08X for %s uCode\n",
+			base,
+			(priv->cur_ucode == IWL_UCODE_INIT)
+					? "Init" : "RT");
+		return -EINVAL;
+	}
+
+	/* event log header */
+	capacity = iwl_read_targ_mem(trans, base);
+	mode = iwl_read_targ_mem(trans, base + (1 * sizeof(u32)));
+	num_wraps = iwl_read_targ_mem(trans, base + (2 * sizeof(u32)));
+	next_entry = iwl_read_targ_mem(trans, base + (3 * sizeof(u32)));
+
+	if (capacity > logsize) {
+		IWL_ERR(priv, "Log capacity %d is bogus, limit to %d "
+			"entries\n", capacity, logsize);
+		capacity = logsize;
+	}
+
+	if (next_entry > logsize) {
+		IWL_ERR(priv, "Log write index %d is bogus, limit to %d\n",
+			next_entry, logsize);
+		next_entry = logsize;
+	}
+
+	size = num_wraps ? capacity : next_entry;
+
+	/* bail out if nothing in log */
+	if (size == 0) {
+		IWL_ERR(trans, "Start IWL Event Log Dump: nothing in log\n");
+		return pos;
+	}
+
+#ifdef CONFIG_IWLWIFI_DEBUG
+	if (!(iwl_have_debug_level(IWL_DL_FW_ERRORS)) && !full_log)
+		size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES)
+			? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size;
+#else
+	size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES)
+		? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size;
+#endif
+	IWL_ERR(priv, "Start IWL Event Log Dump: display last %u entries\n",
+		size);
+
+#ifdef CONFIG_IWLWIFI_DEBUG
+	if (display) {
+		if (full_log)
+			bufsz = capacity * 48;
+		else
+			bufsz = size * 48;
+		*buf = kmalloc(bufsz, GFP_KERNEL);
+		if (!*buf)
+			return -ENOMEM;
+	}
+	if (iwl_have_debug_level(IWL_DL_FW_ERRORS) || full_log) {
+		/*
+		 * if uCode has wrapped back to top of log,
+		 * start at the oldest entry,
+		 * i.e the next one that uCode would fill.
+		 */
+		if (num_wraps)
+			pos = iwl_print_event_log(priv, next_entry,
+						capacity - next_entry, mode,
+						pos, buf, bufsz);
+		/* (then/else) start at top of log */
+		pos = iwl_print_event_log(priv, 0,
+					  next_entry, mode, pos, buf, bufsz);
+	} else
+		pos = iwl_print_last_event_logs(priv, capacity, num_wraps,
+						next_entry, size, mode,
+						pos, buf, bufsz);
+#else
+	pos = iwl_print_last_event_logs(priv, capacity, num_wraps,
+					next_entry, size, mode,
+					pos, buf, bufsz);
+#endif
+	return pos;
+}
+
+static void iwl_nic_error(struct iwl_op_mode *op_mode)
+{
+	struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode);
+
+	IWL_ERR(priv, "Loaded firmware version: %s\n",
+		priv->fw->fw_version);
+
+	iwl_dump_nic_error_log(priv);
+	iwl_dump_nic_event_log(priv, false, NULL, false);
+
+	iwlagn_fw_error(priv, false);
+}
+
 static void iwl_cmd_queue_full(struct iwl_op_mode *op_mode)
 {
 	struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode);
 
 	if (!iwl_check_for_ct_kill(priv)) {
 		IWL_ERR(priv, "Restarting adapter queue is full\n");
-		iwl_nic_error(op_mode);
+		iwlagn_fw_error(priv, false);
 	}
 }
 
@@ -1446,17 +2142,39 @@ static void iwl_nic_config(struct iwl_op_mode *op_mode)
 	cfg(priv)->lib->nic_config(priv);
 }
 
-static void iwl_stop_sw_queue(struct iwl_op_mode *op_mode, u8 ac)
+static void iwl_stop_sw_queue(struct iwl_op_mode *op_mode, int queue)
 {
 	struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode);
+	int ac = priv->queue_to_ac[queue];
+
+	if (WARN_ON_ONCE(ac == IWL_INVALID_AC))
+		return;
+
+	if (atomic_inc_return(&priv->ac_stop_count[ac]) > 1) {
+		IWL_DEBUG_TX_QUEUES(priv,
+			"queue %d (AC %d) already stopped\n",
+			queue, ac);
+		return;
+	}
 
 	set_bit(ac, &priv->transport_queue_stop);
 	ieee80211_stop_queue(priv->hw, ac);
 }
 
-static void iwl_wake_sw_queue(struct iwl_op_mode *op_mode, u8 ac)
+static void iwl_wake_sw_queue(struct iwl_op_mode *op_mode, int queue)
 {
 	struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode);
+	int ac = priv->queue_to_ac[queue];
+
+	if (WARN_ON_ONCE(ac == IWL_INVALID_AC))
+		return;
+
+	if (atomic_dec_return(&priv->ac_stop_count[ac]) > 0) {
+		IWL_DEBUG_TX_QUEUES(priv,
+			"queue %d (AC %d) already awake\n",
+			queue, ac);
+		return;
+	}
 
 	clear_bit(ac, &priv->transport_queue_stop);
 

drivers/net/wireless/iwlwifi/iwl-agn.h

@@ -65,6 +65,13 @@
 
 #include "iwl-dev.h"
 
+/* The first 11 queues (0-10) are used otherwise */
+#define IWLAGN_FIRST_AMPDU_QUEUE	11
+
+/* AUX (TX during scan dwell) queue */
+#define IWL_AUX_QUEUE		10
+
+
 struct iwl_ucode_capabilities;
 
 extern struct ieee80211_ops iwlagn_hw_ops;
@@ -85,7 +92,6 @@ int __must_check iwl_rx_dispatch(struct iwl_op_mode *op_mode,
 				 struct iwl_rx_cmd_buffer *rxb,
 				 struct iwl_device_cmd *cmd);
 void iwl_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state);
-void iwl_nic_error(struct iwl_op_mode *op_mode);
 
 bool iwl_check_for_ct_kill(struct iwl_priv *priv);
 
@@ -115,9 +121,6 @@ void iwlagn_config_ht40(struct ieee80211_conf *conf,
 			struct iwl_rxon_context *ctx);
 
 /* uCode */
-int iwlagn_rx_calib_result(struct iwl_priv *priv,
-			    struct iwl_rx_cmd_buffer *rxb,
-			    struct iwl_device_cmd *cmd);
 int iwl_send_bt_env(struct iwl_priv *priv, u8 action, u8 type);
 void iwl_send_prio_tbl(struct iwl_priv *priv);
 int iwl_init_alive_start(struct iwl_priv *priv);
@@ -128,6 +131,9 @@ int iwl_send_calib_results(struct iwl_priv *priv);
 int iwl_calib_set(struct iwl_priv *priv,
 		  const struct iwl_calib_hdr *cmd, int len);
 void iwl_calib_free_results(struct iwl_priv *priv);
+void iwlagn_fw_error(struct iwl_priv *priv, bool ondemand);
+int iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log,
+			    char **buf, bool display);
 
 /* lib */
 int iwlagn_send_tx_power(struct iwl_priv *priv);
@@ -386,6 +392,15 @@ static inline int iwl_is_ready_rf(struct iwl_priv *priv)
 	return iwl_is_ready(priv);
 }
 
+static inline void iwl_dvm_set_pmi(struct iwl_priv *priv, bool state)
+{
+	if (state)
+		set_bit(STATUS_POWER_PMI, &priv->status);
+	else
+		clear_bit(STATUS_POWER_PMI, &priv->status);
+	iwl_trans_set_pmi(trans(priv), state);
+}
+
 #ifdef CONFIG_IWLWIFI_DEBUG
 #define IWL_DEBUG_QUIET_RFKILL(m, fmt, args...)	\
 do {									\

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

@@ -28,7 +28,6 @@
 
 #include <linux/kernel.h>
 #include <linux/module.h>
-#include <linux/etherdevice.h>
 #include <linux/sched.h>
 #include <linux/slab.h>
 #include <net/mac80211.h>
@@ -44,189 +43,6 @@
 
 const u8 iwl_bcast_addr[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
 
-#define MAX_BIT_RATE_40_MHZ 150 /* Mbps */
-#define MAX_BIT_RATE_20_MHZ 72 /* Mbps */
-static void iwl_init_ht_hw_capab(const struct iwl_priv *priv,
-			      struct ieee80211_sta_ht_cap *ht_info,
-			      enum ieee80211_band band)
-{
-	u16 max_bit_rate = 0;
-	u8 rx_chains_num = hw_params(priv).rx_chains_num;
-	u8 tx_chains_num = hw_params(priv).tx_chains_num;
-
-	ht_info->cap = 0;
-	memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
-
-	ht_info->ht_supported = true;
-
-	if (cfg(priv)->ht_params &&
-	    cfg(priv)->ht_params->ht_greenfield_support)
-		ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD;
-	ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
-	max_bit_rate = MAX_BIT_RATE_20_MHZ;
-	if (hw_params(priv).ht40_channel & BIT(band)) {
-		ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
-		ht_info->cap |= IEEE80211_HT_CAP_SGI_40;
-		ht_info->mcs.rx_mask[4] = 0x01;
-		max_bit_rate = MAX_BIT_RATE_40_MHZ;
-	}
-
-	if (iwlagn_mod_params.amsdu_size_8K)
-		ht_info->cap |= IEEE80211_HT_CAP_MAX_AMSDU;
-
-	ht_info->ampdu_factor = CFG_HT_RX_AMPDU_FACTOR_DEF;
-	ht_info->ampdu_density = CFG_HT_MPDU_DENSITY_DEF;
-
-	ht_info->mcs.rx_mask[0] = 0xFF;
-	if (rx_chains_num >= 2)
-		ht_info->mcs.rx_mask[1] = 0xFF;
-	if (rx_chains_num >= 3)
-		ht_info->mcs.rx_mask[2] = 0xFF;
-
-	/* Highest supported Rx data rate */
-	max_bit_rate *= rx_chains_num;
-	WARN_ON(max_bit_rate & ~IEEE80211_HT_MCS_RX_HIGHEST_MASK);
-	ht_info->mcs.rx_highest = cpu_to_le16(max_bit_rate);
-
-	/* Tx MCS capabilities */
-	ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
-	if (tx_chains_num != rx_chains_num) {
-		ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF;
-		ht_info->mcs.tx_params |= ((tx_chains_num - 1) <<
-				IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT);
-	}
-}
-
-/**
- * iwl_init_geos - Initialize mac80211's geo/channel info based from eeprom
- */
-int iwl_init_geos(struct iwl_priv *priv)
-{
-	struct iwl_channel_info *ch;
-	struct ieee80211_supported_band *sband;
-	struct ieee80211_channel *channels;
-	struct ieee80211_channel *geo_ch;
-	struct ieee80211_rate *rates;
-	int i = 0;
-	s8 max_tx_power = IWLAGN_TX_POWER_TARGET_POWER_MIN;
-
-	if (priv->bands[IEEE80211_BAND_2GHZ].n_bitrates ||
-	    priv->bands[IEEE80211_BAND_5GHZ].n_bitrates) {
-		IWL_DEBUG_INFO(priv, "Geography modes already initialized.\n");
-		set_bit(STATUS_GEO_CONFIGURED, &priv->status);
-		return 0;
-	}
-
-	channels = kcalloc(priv->channel_count,
-			   sizeof(struct ieee80211_channel), GFP_KERNEL);
-	if (!channels)
-		return -ENOMEM;
-
-	rates = kcalloc(IWL_RATE_COUNT_LEGACY, sizeof(struct ieee80211_rate),
-			GFP_KERNEL);
-	if (!rates) {
-		kfree(channels);
-		return -ENOMEM;
-	}
-
-	/* 5.2GHz channels start after the 2.4GHz channels */
-	sband = &priv->bands[IEEE80211_BAND_5GHZ];
-	sband->channels = &channels[ARRAY_SIZE(iwl_eeprom_band_1)];
-	/* just OFDM */
-	sband->bitrates = &rates[IWL_FIRST_OFDM_RATE];
-	sband->n_bitrates = IWL_RATE_COUNT_LEGACY - IWL_FIRST_OFDM_RATE;
-
-	if (hw_params(priv).sku & EEPROM_SKU_CAP_11N_ENABLE)
-		iwl_init_ht_hw_capab(priv, &sband->ht_cap,
-					 IEEE80211_BAND_5GHZ);
-
-	sband = &priv->bands[IEEE80211_BAND_2GHZ];
-	sband->channels = channels;
-	/* OFDM & CCK */
-	sband->bitrates = rates;
-	sband->n_bitrates = IWL_RATE_COUNT_LEGACY;
-
-	if (hw_params(priv).sku & EEPROM_SKU_CAP_11N_ENABLE)
-		iwl_init_ht_hw_capab(priv, &sband->ht_cap,
-					 IEEE80211_BAND_2GHZ);
-
-	priv->ieee_channels = channels;
-	priv->ieee_rates = rates;
-
-	for (i = 0;  i < priv->channel_count; i++) {
-		ch = &priv->channel_info[i];
-
-		/* FIXME: might be removed if scan is OK */
-		if (!is_channel_valid(ch))
-			continue;
-
-		sband =  &priv->bands[ch->band];
-
-		geo_ch = &sband->channels[sband->n_channels++];
-
-		geo_ch->center_freq =
-			ieee80211_channel_to_frequency(ch->channel, ch->band);
-		geo_ch->max_power = ch->max_power_avg;
-		geo_ch->max_antenna_gain = 0xff;
-		geo_ch->hw_value = ch->channel;
-
-		if (is_channel_valid(ch)) {
-			if (!(ch->flags & EEPROM_CHANNEL_IBSS))
-				geo_ch->flags |= IEEE80211_CHAN_NO_IBSS;
-
-			if (!(ch->flags & EEPROM_CHANNEL_ACTIVE))
-				geo_ch->flags |= IEEE80211_CHAN_PASSIVE_SCAN;
-
-			if (ch->flags & EEPROM_CHANNEL_RADAR)
-				geo_ch->flags |= IEEE80211_CHAN_RADAR;
-
-			geo_ch->flags |= ch->ht40_extension_channel;
-
-			if (ch->max_power_avg > max_tx_power)
-				max_tx_power = ch->max_power_avg;
-		} else {
-			geo_ch->flags |= IEEE80211_CHAN_DISABLED;
-		}
-
-		IWL_DEBUG_INFO(priv, "Channel %d Freq=%d[%sGHz] %s flag=0x%X\n",
-				ch->channel, geo_ch->center_freq,
-				is_channel_a_band(ch) ?  "5.2" : "2.4",
-				geo_ch->flags & IEEE80211_CHAN_DISABLED ?
-				"restricted" : "valid",
-				 geo_ch->flags);
-	}
-
-	priv->tx_power_device_lmt = max_tx_power;
-	priv->tx_power_user_lmt = max_tx_power;
-	priv->tx_power_next = max_tx_power;
-
-	if ((priv->bands[IEEE80211_BAND_5GHZ].n_channels == 0) &&
-	     hw_params(priv).sku & EEPROM_SKU_CAP_BAND_52GHZ) {
-		IWL_INFO(priv, "Incorrectly detected BG card as ABG. "
-			"Please send your %s to maintainer.\n",
-			trans(priv)->hw_id_str);
-		hw_params(priv).sku &= ~EEPROM_SKU_CAP_BAND_52GHZ;
-	}
-
-	IWL_INFO(priv, "Tunable channels: %d 802.11bg, %d 802.11a channels\n",
-		   priv->bands[IEEE80211_BAND_2GHZ].n_channels,
-		   priv->bands[IEEE80211_BAND_5GHZ].n_channels);
-
-	set_bit(STATUS_GEO_CONFIGURED, &priv->status);
-
-	return 0;
-}
-
-/*
- * iwl_free_geos - undo allocations in iwl_init_geos
- */
-void iwl_free_geos(struct iwl_priv *priv)
-{
-	kfree(priv->ieee_channels);
-	kfree(priv->ieee_rates);
-	clear_bit(STATUS_GEO_CONFIGURED, &priv->status);
-}
-
 static bool iwl_is_channel_extension(struct iwl_priv *priv,
 				     enum ieee80211_band band,
 				     u16 channel, u8 extension_chan_offset)
@@ -271,255 +87,6 @@ bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
 			ctx->ht.extension_chan_offset);
 }
 
-static u16 iwl_adjust_beacon_interval(u16 beacon_val, u16 max_beacon_val)
-{
-	u16 new_val;
-	u16 beacon_factor;
-
-	/*
-	 * If mac80211 hasn't given us a beacon interval, program
-	 * the default into the device (not checking this here
-	 * would cause the adjustment below to return the maximum
-	 * value, which may break PAN.)
-	 */
-	if (!beacon_val)
-		return DEFAULT_BEACON_INTERVAL;
-
-	/*
-	 * If the beacon interval we obtained from the peer
-	 * is too large, we'll have to wake up more often
-	 * (and in IBSS case, we'll beacon too much)
-	 *
-	 * For example, if max_beacon_val is 4096, and the
-	 * requested beacon interval is 7000, we'll have to
-	 * use 3500 to be able to wake up on the beacons.
-	 *
-	 * This could badly influence beacon detection stats.
-	 */
-
-	beacon_factor = (beacon_val + max_beacon_val) / max_beacon_val;
-	new_val = beacon_val / beacon_factor;
-
-	if (!new_val)
-		new_val = max_beacon_val;
-
-	return new_val;
-}
-
-int iwl_send_rxon_timing(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
-{
-	u64 tsf;
-	s32 interval_tm, rem;
-	struct ieee80211_conf *conf = NULL;
-	u16 beacon_int;
-	struct ieee80211_vif *vif = ctx->vif;
-
-	conf = &priv->hw->conf;
-
-	lockdep_assert_held(&priv->mutex);
-
-	memset(&ctx->timing, 0, sizeof(struct iwl_rxon_time_cmd));
-
-	ctx->timing.timestamp = cpu_to_le64(priv->timestamp);
-	ctx->timing.listen_interval = cpu_to_le16(conf->listen_interval);
-
-	beacon_int = vif ? vif->bss_conf.beacon_int : 0;
-
-	/*
-	 * TODO: For IBSS we need to get atim_window from mac80211,
-	 *	 for now just always use 0
-	 */
-	ctx->timing.atim_window = 0;
-
-	if (ctx->ctxid == IWL_RXON_CTX_PAN &&
-	    (!ctx->vif || ctx->vif->type != NL80211_IFTYPE_STATION) &&
-	    iwl_is_associated(priv, IWL_RXON_CTX_BSS) &&
-	    priv->contexts[IWL_RXON_CTX_BSS].vif &&
-	    priv->contexts[IWL_RXON_CTX_BSS].vif->bss_conf.beacon_int) {
-		ctx->timing.beacon_interval =
-			priv->contexts[IWL_RXON_CTX_BSS].timing.beacon_interval;
-		beacon_int = le16_to_cpu(ctx->timing.beacon_interval);
-	} else if (ctx->ctxid == IWL_RXON_CTX_BSS &&
-		   iwl_is_associated(priv, IWL_RXON_CTX_PAN) &&
-		   priv->contexts[IWL_RXON_CTX_PAN].vif &&
-		   priv->contexts[IWL_RXON_CTX_PAN].vif->bss_conf.beacon_int &&
-		   (!iwl_is_associated_ctx(ctx) || !ctx->vif ||
-		    !ctx->vif->bss_conf.beacon_int)) {
-		ctx->timing.beacon_interval =
-			priv->contexts[IWL_RXON_CTX_PAN].timing.beacon_interval;
-		beacon_int = le16_to_cpu(ctx->timing.beacon_interval);
-	} else {
-		beacon_int = iwl_adjust_beacon_interval(beacon_int,
-			IWL_MAX_UCODE_BEACON_INTERVAL * TIME_UNIT);
-		ctx->timing.beacon_interval = cpu_to_le16(beacon_int);
-	}
-
-	ctx->beacon_int = beacon_int;
-
-	tsf = priv->timestamp; /* tsf is modifed by do_div: copy it */
-	interval_tm = beacon_int * TIME_UNIT;
-	rem = do_div(tsf, interval_tm);
-	ctx->timing.beacon_init_val = cpu_to_le32(interval_tm - rem);
-
-	ctx->timing.dtim_period = vif ? (vif->bss_conf.dtim_period ?: 1) : 1;
-
-	IWL_DEBUG_ASSOC(priv,
-			"beacon interval %d beacon timer %d beacon tim %d\n",
-			le16_to_cpu(ctx->timing.beacon_interval),
-			le32_to_cpu(ctx->timing.beacon_init_val),
-			le16_to_cpu(ctx->timing.atim_window));
-
-	return iwl_dvm_send_cmd_pdu(priv, ctx->rxon_timing_cmd,
-				CMD_SYNC, sizeof(ctx->timing), &ctx->timing);
-}
-
-void iwl_set_rxon_hwcrypto(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
-			   int hw_decrypt)
-{
-	struct iwl_rxon_cmd *rxon = &ctx->staging;
-
-	if (hw_decrypt)
-		rxon->filter_flags &= ~RXON_FILTER_DIS_DECRYPT_MSK;
-	else
-		rxon->filter_flags |= RXON_FILTER_DIS_DECRYPT_MSK;
-
-}
-
-/* validate RXON structure is valid */
-int iwl_check_rxon_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
-{
-	struct iwl_rxon_cmd *rxon = &ctx->staging;
-	u32 errors = 0;
-
-	if (rxon->flags & RXON_FLG_BAND_24G_MSK) {
-		if (rxon->flags & RXON_FLG_TGJ_NARROW_BAND_MSK) {
-			IWL_WARN(priv, "check 2.4G: wrong narrow\n");
-			errors |= BIT(0);
-		}
-		if (rxon->flags & RXON_FLG_RADAR_DETECT_MSK) {
-			IWL_WARN(priv, "check 2.4G: wrong radar\n");
-			errors |= BIT(1);
-		}
-	} else {
-		if (!(rxon->flags & RXON_FLG_SHORT_SLOT_MSK)) {
-			IWL_WARN(priv, "check 5.2G: not short slot!\n");
-			errors |= BIT(2);
-		}
-		if (rxon->flags & RXON_FLG_CCK_MSK) {
-			IWL_WARN(priv, "check 5.2G: CCK!\n");
-			errors |= BIT(3);
-		}
-	}
-	if ((rxon->node_addr[0] | rxon->bssid_addr[0]) & 0x1) {
-		IWL_WARN(priv, "mac/bssid mcast!\n");
-		errors |= BIT(4);
-	}
-
-	/* make sure basic rates 6Mbps and 1Mbps are supported */
-	if ((rxon->ofdm_basic_rates & IWL_RATE_6M_MASK) == 0 &&
-	    (rxon->cck_basic_rates & IWL_RATE_1M_MASK) == 0) {
-		IWL_WARN(priv, "neither 1 nor 6 are basic\n");
-		errors |= BIT(5);
-	}
-
-	if (le16_to_cpu(rxon->assoc_id) > 2007) {
-		IWL_WARN(priv, "aid > 2007\n");
-		errors |= BIT(6);
-	}
-
-	if ((rxon->flags & (RXON_FLG_CCK_MSK | RXON_FLG_SHORT_SLOT_MSK))
-			== (RXON_FLG_CCK_MSK | RXON_FLG_SHORT_SLOT_MSK)) {
-		IWL_WARN(priv, "CCK and short slot\n");
-		errors |= BIT(7);
-	}
-
-	if ((rxon->flags & (RXON_FLG_CCK_MSK | RXON_FLG_AUTO_DETECT_MSK))
-			== (RXON_FLG_CCK_MSK | RXON_FLG_AUTO_DETECT_MSK)) {
-		IWL_WARN(priv, "CCK and auto detect");
-		errors |= BIT(8);
-	}
-
-	if ((rxon->flags & (RXON_FLG_AUTO_DETECT_MSK |
-			    RXON_FLG_TGG_PROTECT_MSK)) ==
-			    RXON_FLG_TGG_PROTECT_MSK) {
-		IWL_WARN(priv, "TGg but no auto-detect\n");
-		errors |= BIT(9);
-	}
-
-	if (rxon->channel == 0) {
-		IWL_WARN(priv, "zero channel is invalid\n");
-		errors |= BIT(10);
-	}
-
-	WARN(errors, "Invalid RXON (%#x), channel %d",
-	     errors, le16_to_cpu(rxon->channel));
-
-	return errors ? -EINVAL : 0;
-}
-
-/**
- * iwl_full_rxon_required - check if full RXON (vs RXON_ASSOC) cmd is needed
- * @priv: staging_rxon is compared to active_rxon
- *
- * If the RXON structure is changing enough to require a new tune,
- * or is clearing the RXON_FILTER_ASSOC_MSK, then return 1 to indicate that
- * a new tune (full RXON command, rather than RXON_ASSOC cmd) is required.
- */
-int iwl_full_rxon_required(struct iwl_priv *priv,
-			   struct iwl_rxon_context *ctx)
-{
-	const struct iwl_rxon_cmd *staging = &ctx->staging;
-	const struct iwl_rxon_cmd *active = &ctx->active;
-
-#define CHK(cond)							\
-	if ((cond)) {							\
-		IWL_DEBUG_INFO(priv, "need full RXON - " #cond "\n");	\
-		return 1;						\
-	}
-
-#define CHK_NEQ(c1, c2)						\
-	if ((c1) != (c2)) {					\
-		IWL_DEBUG_INFO(priv, "need full RXON - "	\
-			       #c1 " != " #c2 " - %d != %d\n",	\
-			       (c1), (c2));			\
-		return 1;					\
-	}
-
-	/* These items are only settable from the full RXON command */
-	CHK(!iwl_is_associated_ctx(ctx));
-	CHK(compare_ether_addr(staging->bssid_addr, active->bssid_addr));
-	CHK(compare_ether_addr(staging->node_addr, active->node_addr));
-	CHK(compare_ether_addr(staging->wlap_bssid_addr,
-				active->wlap_bssid_addr));
-	CHK_NEQ(staging->dev_type, active->dev_type);
-	CHK_NEQ(staging->channel, active->channel);
-	CHK_NEQ(staging->air_propagation, active->air_propagation);
-	CHK_NEQ(staging->ofdm_ht_single_stream_basic_rates,
-		active->ofdm_ht_single_stream_basic_rates);
-	CHK_NEQ(staging->ofdm_ht_dual_stream_basic_rates,
-		active->ofdm_ht_dual_stream_basic_rates);
-	CHK_NEQ(staging->ofdm_ht_triple_stream_basic_rates,
-		active->ofdm_ht_triple_stream_basic_rates);
-	CHK_NEQ(staging->assoc_id, active->assoc_id);
-
-	/* flags, filter_flags, ofdm_basic_rates, and cck_basic_rates can
-	 * be updated with the RXON_ASSOC command -- however only some
-	 * flag transitions are allowed using RXON_ASSOC */
-
-	/* Check if we are not switching bands */
-	CHK_NEQ(staging->flags & RXON_FLG_BAND_24G_MSK,
-		active->flags & RXON_FLG_BAND_24G_MSK);
-
-	/* Check if we are switching association toggle */
-	CHK_NEQ(staging->filter_flags & RXON_FILTER_ASSOC_MSK,
-		active->filter_flags & RXON_FILTER_ASSOC_MSK);
-
-#undef CHK
-#undef CHK_NEQ
-
-	return 0;
-}
-
 static void _iwl_set_rxon_ht(struct iwl_priv *priv,
 			     struct iwl_ht_config *ht_conf,
 			     struct iwl_rxon_context *ctx)
@@ -595,46 +162,6 @@ void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_config *ht_conf)
 		_iwl_set_rxon_ht(priv, ht_conf, ctx);
 }
 
-/* Return valid, unused, channel for a passive scan to reset the RF */
-u8 iwl_get_single_channel_number(struct iwl_priv *priv,
-				 enum ieee80211_band band)
-{
-	const struct iwl_channel_info *ch_info;
-	int i;
-	u8 channel = 0;
-	u8 min, max;
-	struct iwl_rxon_context *ctx;
-
-	if (band == IEEE80211_BAND_5GHZ) {
-		min = 14;
-		max = priv->channel_count;
-	} else {
-		min = 0;
-		max = 14;
-	}
-
-	for (i = min; i < max; i++) {
-		bool busy = false;
-
-		for_each_context(priv, ctx) {
-			busy = priv->channel_info[i].channel ==
-				le16_to_cpu(ctx->staging.channel);
-			if (busy)
-				break;
-		}
-
-		if (busy)
-			continue;
-
-		channel = priv->channel_info[i].channel;
-		ch_info = iwl_get_channel_info(priv, band, channel);
-		if (is_channel_valid(ch_info))
-			break;
-	}
-
-	return channel;
-}
-
 /**
  * iwl_set_rxon_channel - Set the band and channel values in staging RXON
  * @ch: requested channel as a pointer to struct ieee80211_channel
@@ -828,7 +355,7 @@ void iwl_print_rx_config_cmd(struct iwl_priv *priv,
 }
 #endif
 
-static void iwlagn_fw_error(struct iwl_priv *priv, bool ondemand)
+void iwlagn_fw_error(struct iwl_priv *priv, bool ondemand)
 {
 	unsigned int reload_msec;
 	unsigned long reload_jiffies;
@@ -842,7 +369,7 @@ static void iwlagn_fw_error(struct iwl_priv *priv, bool ondemand)
 	priv->ucode_loaded = false;
 
 	/* Set the FW error flag -- cleared on iwl_down */
-	set_bit(STATUS_FW_ERROR, &priv->shrd->status);
+	set_bit(STATUS_FW_ERROR, &priv->status);
 
 	/* Cancel currently queued command. */
 	clear_bit(STATUS_HCMD_ACTIVE, &priv->shrd->status);
@@ -1451,13 +978,6 @@ __le32 iwl_add_beacon_time(struct iwl_priv *priv, u32 base,
 	return cpu_to_le32(res);
 }
 
-void iwl_nic_error(struct iwl_op_mode *op_mode)
-{
-	struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode);
-
-	iwlagn_fw_error(priv, false);
-}
-
 void iwl_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state)
 {
 	struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode);

drivers/net/wireless/iwlwifi/iwl-core.h

@@ -93,18 +93,12 @@ struct iwl_lib_ops {
  *   L i b                 *
  ***************************/
 
-void iwl_set_rxon_hwcrypto(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
-			   int hw_decrypt);
-int iwl_check_rxon_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
-int iwl_full_rxon_required(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
 void iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch,
 			 struct iwl_rxon_context *ctx);
 void iwl_set_flags_for_band(struct iwl_priv *priv,
 			    struct iwl_rxon_context *ctx,
 			    enum ieee80211_band band,
 			    struct ieee80211_vif *vif);
-u8 iwl_get_single_channel_number(struct iwl_priv *priv,
-				  enum ieee80211_band band);
 void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_config *ht_conf);
 bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
 			    struct iwl_rxon_context *ctx,
@@ -204,19 +198,10 @@ u32 iwl_usecs_to_beacons(struct iwl_priv *priv, u32 usec, u32 beacon_interval);
 __le32 iwl_add_beacon_time(struct iwl_priv *priv, u32 base,
 			   u32 addon, u32 beacon_interval);
 
-
-/*****************************************************
-*  GEOS
-******************************************************/
-int iwl_init_geos(struct iwl_priv *priv);
-void iwl_free_geos(struct iwl_priv *priv);
-
 extern void iwl_send_bt_config(struct iwl_priv *priv);
 extern int iwl_send_statistics_request(struct iwl_priv *priv,
 				       u8 flags, bool clear);
 
-int iwl_send_rxon_timing(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
-
 static inline const struct ieee80211_supported_band *iwl_get_hw_mode(
 			struct iwl_priv *priv, enum ieee80211_band band)
 {

drivers/net/wireless/iwlwifi/iwl-debugfs.c

@@ -234,7 +234,7 @@ static ssize_t iwl_dbgfs_sram_read(struct file *file,
 			IWL_ERR(priv, "No uCode has been loadded.\n");
 			return -EINVAL;
 		}
-		img = &priv->fw->img[priv->shrd->ucode_type];
+		img = &priv->fw->img[priv->cur_ucode];
 		priv->dbgfs_sram_len = img->sec[IWL_UCODE_SECTION_DATA].len;
 	}
 	len = priv->dbgfs_sram_len;
@@ -369,14 +369,19 @@ static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
 				 i, station->sta.sta.addr,
 				 station->sta.station_flags_msk);
 		pos += scnprintf(buf + pos, bufsz - pos,
-				"TID\tseq_num\trate_n_flags\n");
+				"TID seqno  next_rclmd "
+				"rate_n_flags state txq\n");
 
 		for (j = 0; j < IWL_MAX_TID_COUNT; j++) {
 			tid_data = &priv->tid_data[i][j];
 			pos += scnprintf(buf + pos, bufsz - pos,
-				"%d:\t%#x\t%#x",
+				"%d:  0x%.4x 0x%.4x     0x%.8x   "
+				"%d     %.2d",
 				j, tid_data->seq_number,
-				tid_data->agg.rate_n_flags);
+				tid_data->next_reclaimed,
+				tid_data->agg.rate_n_flags,
+				tid_data->agg.state,
+				tid_data->agg.txq_id);
 
 			if (tid_data->agg.wait_for_ba)
 				pos += scnprintf(buf + pos, bufsz - pos,
@@ -544,9 +549,9 @@ static ssize_t iwl_dbgfs_status_read(struct file *file,
 	pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n",
 		test_bit(STATUS_SCAN_HW, &priv->status));
 	pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
-		test_bit(STATUS_POWER_PMI, &priv->shrd->status));
+		test_bit(STATUS_POWER_PMI, &priv->status));
 	pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
-		test_bit(STATUS_FW_ERROR, &priv->shrd->status));
+		test_bit(STATUS_FW_ERROR, &priv->status));
 	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 }
 
@@ -2473,6 +2478,44 @@ static ssize_t iwl_dbgfs_echo_test_write(struct file *file,
 	return count;
 }
 
+static ssize_t iwl_dbgfs_log_event_read(struct file *file,
+					 char __user *user_buf,
+					 size_t count, loff_t *ppos)
+{
+	struct iwl_priv *priv = file->private_data;
+	char *buf;
+	int pos = 0;
+	ssize_t ret = -ENOMEM;
+
+	ret = pos = iwl_dump_nic_event_log(priv, true, &buf, true);
+	if (buf) {
+		ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+		kfree(buf);
+	}
+	return ret;
+}
+
+static ssize_t iwl_dbgfs_log_event_write(struct file *file,
+					const char __user *user_buf,
+					size_t count, loff_t *ppos)
+{
+	struct iwl_priv *priv = file->private_data;
+	u32 event_log_flag;
+	char buf[8];
+	int buf_size;
+
+	memset(buf, 0, sizeof(buf));
+	buf_size = min(count, sizeof(buf) -  1);
+	if (copy_from_user(buf, user_buf, buf_size))
+		return -EFAULT;
+	if (sscanf(buf, "%d", &event_log_flag) != 1)
+		return -EFAULT;
+	if (event_log_flag == 1)
+		iwl_dump_nic_event_log(priv, true, NULL, false);
+
+	return count;
+}
+
 DEBUGFS_READ_FILE_OPS(rx_statistics);
 DEBUGFS_READ_FILE_OPS(tx_statistics);
 DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
@@ -2497,6 +2540,7 @@ DEBUGFS_READ_FILE_OPS(bt_traffic);
 DEBUGFS_READ_WRITE_FILE_OPS(protection_mode);
 DEBUGFS_READ_FILE_OPS(reply_tx_error);
 DEBUGFS_WRITE_FILE_OPS(echo_test);
+DEBUGFS_READ_WRITE_FILE_OPS(log_event);
 
 /*
  * Create the debugfs files and directories
@@ -2560,6 +2604,8 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
 	DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR);
 	DEBUGFS_ADD_FILE(wd_timeout, dir_debug, S_IWUSR);
 	DEBUGFS_ADD_FILE(echo_test, dir_debug, S_IWUSR);
+	DEBUGFS_ADD_FILE(log_event, dir_debug, S_IWUSR | S_IRUSR);
+
 	if (iwl_advanced_bt_coexist(priv))
 		DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR);
 

drivers/net/wireless/iwlwifi/iwl-dev.h

@@ -220,8 +220,7 @@ enum iwl_agg_state {
  *	Tx response (REPLY_TX), and the block ack notification
  *	(REPLY_COMPRESSED_BA).
  * @state: state of the BA agreement establishment / tear down.
- * @txq_id: Tx queue used by the BA session - used by the transport layer.
- *	Needed by the upper layer for debugfs only.
+ * @txq_id: Tx queue used by the BA session
  * @ssn: the first packet to be sent in AGG HW queue in Tx AGG start flow, or
  *	the first packet to be sent in legacy HW queue in Tx AGG stop flow.
  *	Basically when next_reclaimed reaches ssn, we can tell mac80211 that
@@ -623,6 +622,10 @@ struct iwl_force_reset {
 struct iwl_rxon_context {
 	struct ieee80211_vif *vif;
 
+	u8 mcast_queue;
+	u8 ac_to_queue[IEEE80211_NUM_ACS];
+	u8 ac_to_fifo[IEEE80211_NUM_ACS];
+
 	/*
 	 * We could use the vif to indicate active, but we
 	 * also need it to be active during disabling when
@@ -720,6 +723,11 @@ struct iwl_priv {
 
 	unsigned long transport_queue_stop;
 	bool passive_no_rx;
+#define IWL_INVALID_AC	0xff
+	u8 queue_to_ac[IWL_MAX_HW_QUEUES];
+	atomic_t ac_stop_count[IEEE80211_NUM_ACS];
+
+	unsigned long agg_q_alloc[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)];
 
 	/* ieee device used by generic ieee processing code */
 	struct ieee80211_hw *hw;
@@ -731,6 +739,7 @@ struct iwl_priv {
 	struct workqueue_struct *workqueue;
 
 	enum ieee80211_band band;
+	u8 valid_contexts;
 
 	void (*pre_rx_handler)(struct iwl_priv *priv,
 			       struct iwl_rx_cmd_buffer *rxb);
@@ -982,6 +991,15 @@ struct iwl_priv {
 	__le64 replay_ctr;
 	__le16 last_seq_ctl;
 	bool have_rekey_data;
+
+	/* device_pointers: pointers to ucode event tables */
+	struct {
+		u32 error_event_table;
+		u32 log_event_table;
+	} device_pointers;
+
+	/* indicator of loaded ucode image */
+	enum iwl_ucode_type cur_ucode;
 }; /*iwl_priv */
 
 extern struct kmem_cache *iwl_tx_cmd_pool;
@@ -998,7 +1016,7 @@ iwl_rxon_ctx_from_vif(struct ieee80211_vif *vif)
 #define for_each_context(priv, ctx)				\
 	for (ctx = &priv->contexts[IWL_RXON_CTX_BSS];		\
 	     ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++)	\
-		if (priv->shrd->valid_contexts & BIT(ctx->ctxid))
+		if (priv->valid_contexts & BIT(ctx->ctxid))
 
 static inline int iwl_is_associated_ctx(struct iwl_rxon_context *ctx)
 {

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

@@ -157,7 +157,8 @@ int iwlagn_mac_setup_register(struct iwl_priv *priv,
 	 */
 
 	hw->flags |= IEEE80211_HW_SUPPORTS_PS |
-		     IEEE80211_HW_SUPPORTS_DYNAMIC_PS;
+		     IEEE80211_HW_SUPPORTS_DYNAMIC_PS |
+		     IEEE80211_HW_SCAN_WHILE_IDLE;
 
 	if (hw_params(priv).sku & EEPROM_SKU_CAP_11N_ENABLE)
 		hw->flags |= IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS |
@@ -437,7 +438,6 @@ static int iwlagn_mac_resume(struct ieee80211_hw *hw)
 	unsigned long flags;
 	u32 base, status = 0xffffffff;
 	int ret = -EIO;
-	const struct fw_img *img;
 
 	IWL_DEBUG_MAC80211(priv, "enter\n");
 	mutex_lock(&priv->mutex);
@@ -445,7 +445,7 @@ static int iwlagn_mac_resume(struct ieee80211_hw *hw)
 	iwl_write32(trans(priv), CSR_UCODE_DRV_GP1_CLR,
 			  CSR_UCODE_DRV_GP1_BIT_D3_CFG_COMPLETE);
 
-	base = priv->shrd->device_pointers.error_event_table;
+	base = priv->device_pointers.error_event_table;
 	if (iwlagn_hw_valid_rtc_data_addr(base)) {
 		spin_lock_irqsave(&trans(priv)->reg_lock, flags);
 		ret = iwl_grab_nic_access_silent(trans(priv));
@@ -458,6 +458,8 @@ static int iwlagn_mac_resume(struct ieee80211_hw *hw)
 
 #ifdef CONFIG_IWLWIFI_DEBUGFS
 		if (ret == 0) {
+			const struct fw_img *img;
+
 			img = &(priv->fw->img[IWL_UCODE_WOWLAN]);
 			if (!priv->wowlan_sram) {
 				priv->wowlan_sram =
@@ -653,6 +655,8 @@ static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw,
 		ret = iwl_sta_rx_agg_stop(priv, sta, tid);
 		break;
 	case IEEE80211_AMPDU_TX_START:
+		if (!trans(priv)->ops->tx_agg_setup)
+			break;
 		if (iwlagn_mod_params.disable_11n & IWL_DISABLE_HT_TXAGG)
 			break;
 		IWL_DEBUG_HT(priv, "start Tx\n");
@@ -1003,7 +1007,7 @@ static int iwlagn_mac_remain_on_channel(struct ieee80211_hw *hw,
 	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_PAN];
 	int err = 0;
 
-	if (!(priv->shrd->valid_contexts & BIT(IWL_RXON_CTX_PAN)))
+	if (!(priv->valid_contexts & BIT(IWL_RXON_CTX_PAN)))
 		return -EOPNOTSUPP;
 
 	if (!(ctx->interface_modes & BIT(NL80211_IFTYPE_P2P_CLIENT)))
@@ -1091,7 +1095,7 @@ static int iwlagn_mac_cancel_remain_on_channel(struct ieee80211_hw *hw)
 {
 	struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
 
-	if (!(priv->shrd->valid_contexts & BIT(IWL_RXON_CTX_PAN)))
+	if (!(priv->valid_contexts & BIT(IWL_RXON_CTX_PAN)))
 		return -EOPNOTSUPP;
 
 	IWL_DEBUG_MAC80211(priv, "enter\n");

drivers/net/wireless/iwlwifi/iwl-notif-wait.c

@@ -75,21 +75,45 @@ void iwl_notification_wait_init(struct iwl_notif_wait_data *notif_wait)
 void iwl_notification_wait_notify(struct iwl_notif_wait_data *notif_wait,
 				  struct iwl_rx_packet *pkt)
 {
+	bool triggered = false;
+
 	if (!list_empty(&notif_wait->notif_waits)) {
 		struct iwl_notification_wait *w;
 
 		spin_lock(&notif_wait->notif_wait_lock);
 		list_for_each_entry(w, &notif_wait->notif_waits, list) {
-			if (w->cmd != pkt->hdr.cmd)
+			int i;
+			bool found = false;
+
+			/*
+			 * If it already finished (triggered) or has been
+			 * aborted then don't evaluate it again to avoid races,
+			 * Otherwise the function could be called again even
+			 * though it returned true before
+			 */
+			if (w->triggered || w->aborted)
+				continue;
+
+			for (i = 0; i < w->n_cmds; i++) {
+				if (w->cmds[i] == pkt->hdr.cmd) {
+					found = true;
+					break;
+				}
+			}
+			if (!found)
 				continue;
-			w->triggered = true;
-			if (w->fn)
-				w->fn(notif_wait, pkt, w->fn_data);
+
+			if (!w->fn || w->fn(notif_wait, pkt, w->fn_data)) {
+				w->triggered = true;
+				triggered = true;
+			}
 		}
 		spin_unlock(&notif_wait->notif_wait_lock);
 
-		wake_up_all(&notif_wait->notif_waitq);
 	}
+
+	if (triggered)
+		wake_up_all(&notif_wait->notif_waitq);
 }
 
 void iwl_abort_notification_waits(struct iwl_notif_wait_data *notif_wait)
@@ -109,14 +133,18 @@ void iwl_abort_notification_waits(struct iwl_notif_wait_data *notif_wait)
 void
 iwl_init_notification_wait(struct iwl_notif_wait_data *notif_wait,
 			   struct iwl_notification_wait *wait_entry,
-			   u8 cmd,
-			   void (*fn)(struct iwl_notif_wait_data *notif_wait,
+			   const u8 *cmds, int n_cmds,
+			   bool (*fn)(struct iwl_notif_wait_data *notif_wait,
 				      struct iwl_rx_packet *pkt, void *data),
 			   void *fn_data)
 {
+	if (WARN_ON(n_cmds > MAX_NOTIF_CMDS))
+		n_cmds = MAX_NOTIF_CMDS;
+
 	wait_entry->fn = fn;
 	wait_entry->fn_data = fn_data;
-	wait_entry->cmd = cmd;
+	wait_entry->n_cmds = n_cmds;
+	memcpy(wait_entry->cmds, cmds, n_cmds);
 	wait_entry->triggered = false;
 	wait_entry->aborted = false;
 

drivers/net/wireless/iwlwifi/iwl-notif-wait.h

@@ -72,11 +72,19 @@ struct iwl_notif_wait_data {
 	wait_queue_head_t notif_waitq;
 };
 
+#define MAX_NOTIF_CMDS	5
+
 /**
  * struct iwl_notification_wait - notification wait entry
  * @list: list head for global list
- * @fn: function called with the notification
- * @cmd: command ID
+ * @fn: Function called with the notification. If the function
+ *	returns true, the wait is over, if it returns false then
+ *	the waiter stays blocked. If no function is given, any
+ *	of the listed commands will unblock the waiter.
+ * @cmds: command IDs
+ * @n_cmds: number of command IDs
+ * @triggered: waiter should be woken up
+ * @aborted: wait was aborted
  *
  * This structure is not used directly, to wait for a
  * notification declare it on the stack, and call
@@ -93,11 +101,12 @@ struct iwl_notif_wait_data {
 struct iwl_notification_wait {
 	struct list_head list;
 
-	void (*fn)(struct iwl_notif_wait_data *notif_data,
+	bool (*fn)(struct iwl_notif_wait_data *notif_data,
 		   struct iwl_rx_packet *pkt, void *data);
 	void *fn_data;
 
-	u8 cmd;
+	u8 cmds[MAX_NOTIF_CMDS];
+	u8 n_cmds;
 	bool triggered, aborted;
 };
 
@@ -112,8 +121,8 @@ void iwl_abort_notification_waits(struct iwl_notif_wait_data *notif_data);
 void __acquires(wait_entry)
 iwl_init_notification_wait(struct iwl_notif_wait_data *notif_data,
 			   struct iwl_notification_wait *wait_entry,
-			   u8 cmd,
-			   void (*fn)(struct iwl_notif_wait_data *notif_data,
+			   const u8 *cmds, int n_cmds,
+			   bool (*fn)(struct iwl_notif_wait_data *notif_data,
 				      struct iwl_rx_packet *pkt, void *data),
 			   void *fn_data);
 

drivers/net/wireless/iwlwifi/iwl-op-mode.h

@@ -111,10 +111,10 @@ struct iwl_fw;
  * @rx: Rx notification to the op_mode. rxb is the Rx buffer itself. Cmd is the
  *	HCMD the this Rx responds to.
  *	Must be atomic.
- * @queue_full: notifies that a HW queue is full. Ac is the ac of the queue
+ * @queue_full: notifies that a HW queue is full.
  *	Must be atomic
  * @queue_not_full: notifies that a HW queue is not full any more.
- *	Ac is the ac of the queue. Must be atomic
+ *	Must be atomic
  * @hw_rf_kill:notifies of a change in the HW rf kill switch. True means that
  *	the radio is killed. Must be atomic.
  * @free_skb: allows the transport layer to free skbs that haven't been
@@ -132,8 +132,8 @@ struct iwl_op_mode_ops {
 	void (*stop)(struct iwl_op_mode *op_mode);
 	int (*rx)(struct iwl_op_mode *op_mode, struct iwl_rx_cmd_buffer *rxb,
 		  struct iwl_device_cmd *cmd);
-	void (*queue_full)(struct iwl_op_mode *op_mode, u8 ac);
-	void (*queue_not_full)(struct iwl_op_mode *op_mode, u8 ac);
+	void (*queue_full)(struct iwl_op_mode *op_mode, int queue);
+	void (*queue_not_full)(struct iwl_op_mode *op_mode, int queue);
 	void (*hw_rf_kill)(struct iwl_op_mode *op_mode, bool state);
 	void (*free_skb)(struct iwl_op_mode *op_mode, struct sk_buff *skb);
 	void (*nic_error)(struct iwl_op_mode *op_mode);
@@ -169,15 +169,16 @@ static inline int iwl_op_mode_rx(struct iwl_op_mode *op_mode,
 	return op_mode->ops->rx(op_mode, rxb, cmd);
 }
 
-static inline void iwl_op_mode_queue_full(struct iwl_op_mode *op_mode, u8 ac)
+static inline void iwl_op_mode_queue_full(struct iwl_op_mode *op_mode,
+					  int queue)
 {
-	op_mode->ops->queue_full(op_mode, ac);
+	op_mode->ops->queue_full(op_mode, queue);
 }
 
 static inline void iwl_op_mode_queue_not_full(struct iwl_op_mode *op_mode,
-					      u8 ac)
+					      int queue)
 {
-	op_mode->ops->queue_not_full(op_mode, ac);
+	op_mode->ops->queue_not_full(op_mode, queue);
 }
 
 static inline void iwl_op_mode_hw_rf_kill(struct iwl_op_mode *op_mode,

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

@@ -60,6 +60,9 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  *****************************************************************************/
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/module.h>
 #include <linux/pci.h>
 #include <linux/pci-aspm.h>

drivers/net/wireless/iwlwifi/iwl-phy-db.c

@@ -0,0 +1,273 @@
+/******************************************************************************
+ *
+ * This file is provided under a dual BSD/GPLv2 license.  When using or
+ * redistributing this file, you may do so under either license.
+ *
+ * GPL LICENSE SUMMARY
+ *
+ * Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved.
+ *
+ * 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.GPL.
+ *
+ * Contact Information:
+ *  Intel Linux Wireless <ilw@linux.intel.com>
+ * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+ *
+ * BSD LICENSE
+ *
+ * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *  * Neither the name Intel Corporation nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *****************************************************************************/
+
+#include <linux/slab.h>
+#include <linux/string.h>
+
+#include "iwl-debug.h"
+#include "iwl-shared.h"
+#include "iwl-dev.h"
+
+#include "iwl-phy-db.h"
+
+#define CHANNEL_NUM_SIZE	4	/* num of channels in calib_ch size */
+
+struct iwl_phy_db *iwl_phy_db_init(struct iwl_shared *shrd)
+{
+	struct iwl_phy_db *phy_db = kzalloc(sizeof(struct iwl_phy_db),
+					    GFP_KERNEL);
+
+	if (!phy_db)
+		return phy_db;
+
+	phy_db->shrd = shrd;
+
+	/* TODO: add default values of the phy db. */
+	return phy_db;
+}
+
+/*
+ * get phy db section: returns a pointer to a phy db section specified by
+ * type and channel group id.
+ */
+static struct iwl_phy_db_entry *
+iwl_phy_db_get_section(struct iwl_phy_db *phy_db,
+		       enum iwl_phy_db_section_type type,
+		       u16 chg_id)
+{
+	if (!phy_db || type < 0 || type >= IWL_PHY_DB_MAX)
+		return NULL;
+
+	switch (type) {
+	case IWL_PHY_DB_CFG:
+		return &phy_db->cfg;
+	case IWL_PHY_DB_CALIB_NCH:
+		return &phy_db->calib_nch;
+	case IWL_PHY_DB_CALIB_CH:
+		return &phy_db->calib_ch;
+	case IWL_PHY_DB_CALIB_CHG_PAPD:
+		if (chg_id < 0 || chg_id >= IWL_NUM_PAPD_CH_GROUPS)
+			return NULL;
+		return &phy_db->calib_ch_group_papd[chg_id];
+	case IWL_PHY_DB_CALIB_CHG_TXP:
+		if (chg_id < 0 || chg_id >= IWL_NUM_TXP_CH_GROUPS)
+			return NULL;
+		return &phy_db->calib_ch_group_txp[chg_id];
+	default:
+		return NULL;
+	}
+	return NULL;
+}
+
+static void iwl_phy_db_free_section(struct iwl_phy_db *phy_db,
+				    enum iwl_phy_db_section_type type,
+				    u16 chg_id)
+{
+	struct iwl_phy_db_entry *entry =
+				iwl_phy_db_get_section(phy_db, type, chg_id);
+	if (!entry)
+		return;
+
+	kfree(entry->data);
+	entry->data = NULL;
+	entry->size = 0;
+}
+
+void iwl_phy_db_free(struct iwl_phy_db *phy_db)
+{
+	int i;
+
+	if (!phy_db)
+		return;
+
+	iwl_phy_db_free_section(phy_db, IWL_PHY_DB_CFG, 0);
+	iwl_phy_db_free_section(phy_db, IWL_PHY_DB_CALIB_NCH, 0);
+	iwl_phy_db_free_section(phy_db, IWL_PHY_DB_CALIB_CH, 0);
+	for (i = 0; i < IWL_NUM_PAPD_CH_GROUPS; i++)
+		iwl_phy_db_free_section(phy_db, IWL_PHY_DB_CALIB_CHG_PAPD, i);
+	for (i = 0; i < IWL_NUM_TXP_CH_GROUPS; i++)
+		iwl_phy_db_free_section(phy_db, IWL_PHY_DB_CALIB_CHG_TXP, i);
+
+	kfree(phy_db);
+}
+
+int iwl_phy_db_set_section(struct iwl_phy_db *phy_db,
+			   enum iwl_phy_db_section_type type, u8 *data,
+			   u16 size, gfp_t alloc_ctx)
+{
+	struct iwl_phy_db_entry *entry;
+	u16 chg_id = 0;
+
+	if (!phy_db)
+		return -EINVAL;
+
+	if (type == IWL_PHY_DB_CALIB_CHG_PAPD ||
+	    type == IWL_PHY_DB_CALIB_CHG_TXP)
+		chg_id = le16_to_cpup((__le16 *)data);
+
+	entry = iwl_phy_db_get_section(phy_db, type, chg_id);
+	if (!entry)
+		return -EINVAL;
+
+	kfree(entry->data);
+	entry->data = kmemdup(data, size, alloc_ctx);
+	if (!entry->data) {
+		entry->size = 0;
+		return -ENOMEM;
+	}
+
+	entry->size = size;
+
+	if (type == IWL_PHY_DB_CALIB_CH) {
+		phy_db->channel_num = le32_to_cpup((__le32 *)data);
+		phy_db->channel_size =
+		      (size - CHANNEL_NUM_SIZE) / phy_db->channel_num;
+	}
+
+	return 0;
+}
+
+static int is_valid_channel(u16 ch_id)
+{
+	if (ch_id <= 14 ||
+	    (36 <= ch_id && ch_id <= 64 && ch_id % 4 == 0) ||
+	    (100 <= ch_id && ch_id <= 140 && ch_id % 4 == 0) ||
+	    (145 <= ch_id && ch_id <= 165 && ch_id % 4 == 1))
+		return 1;
+	return 0;
+}
+
+static u8 ch_id_to_ch_index(u16 ch_id)
+{
+	if (WARN_ON(!is_valid_channel(ch_id)))
+		return 0xff;
+
+	if (ch_id <= 14)
+		return ch_id - 1;
+	if (ch_id <= 64)
+		return (ch_id + 20) / 4;
+	if (ch_id <= 140)
+		return (ch_id - 12) / 4;
+	return (ch_id - 13) / 4;
+}
+
+
+static u16 channel_id_to_papd(u16 ch_id)
+{
+	if (WARN_ON(!is_valid_channel(ch_id)))
+		return 0xff;
+
+	if (1 <= ch_id && ch_id <= 14)
+		return 0;
+	if (36 <= ch_id && ch_id <= 64)
+		return 1;
+	if (100 <= ch_id && ch_id <= 140)
+		return 2;
+	return 3;
+}
+
+static u16 channel_id_to_txp(struct iwl_phy_db *phy_db, u16 ch_id)
+{
+	/* TODO David*/
+	return 0;
+}
+
+int iwl_phy_db_get_section_data(struct iwl_phy_db *phy_db,
+				enum iwl_phy_db_section_type type, u8 **data,
+				u16 *size, u16 ch_id)
+{
+	struct iwl_phy_db_entry *entry;
+	u32 channel_num;
+	u32 channel_size;
+	u16 ch_group_id = 0;
+	u16 index;
+
+	if (!phy_db)
+		return -EINVAL;
+
+	/* find wanted channel group */
+	if (type == IWL_PHY_DB_CALIB_CHG_PAPD)
+		ch_group_id = channel_id_to_papd(ch_id);
+	else if (type == IWL_PHY_DB_CALIB_CHG_TXP)
+		ch_group_id = channel_id_to_txp(phy_db, ch_id);
+
+	entry = iwl_phy_db_get_section(phy_db, type, ch_group_id);
+	if (!entry)
+		return -EINVAL;
+
+	if (type == IWL_PHY_DB_CALIB_CH) {
+		index = ch_id_to_ch_index(ch_id);
+		channel_num = phy_db->channel_num;
+		channel_size = phy_db->channel_size;
+		if (index >= channel_num) {
+			IWL_ERR(phy_db, "Wrong channel number %d", ch_id);
+			return -EINVAL;
+		}
+		*data = entry->data + CHANNEL_NUM_SIZE + index * channel_size;
+		*size = channel_size;
+	} else {
+		*data = entry->data;
+		*size = entry->size;
+	}
+	return 0;
+}

drivers/net/wireless/iwlwifi/iwl-phy-db.h

@@ -0,0 +1,123 @@
+/******************************************************************************
+ *
+ * This file is provided under a dual BSD/GPLv2 license.  When using or
+ * redistributing this file, you may do so under either license.
+ *
+ * GPL LICENSE SUMMARY
+ *
+ * Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved.
+ *
+ * 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.GPL.
+ *
+ * Contact Information:
+ *  Intel Linux Wireless <ilw@linux.intel.com>
+ * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+ *
+ * BSD LICENSE
+ *
+ * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *  * Neither the name Intel Corporation nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *****************************************************************************/
+
+#ifndef __IWL_PHYDB_H__
+#define __IWL_PHYDB_H__
+
+#include <linux/types.h>
+
+#define IWL_NUM_PAPD_CH_GROUPS	4
+#define IWL_NUM_TXP_CH_GROUPS	8
+
+struct iwl_phy_db_entry {
+	u16	size;
+	u8	*data;
+};
+
+struct iwl_shared;
+
+/**
+ * struct iwl_phy_db - stores phy configuration and calibration data.
+ *
+ * @cfg: phy configuration.
+ * @calib_nch: non channel specific calibration data.
+ * @calib_ch: channel specific calibration data.
+ * @calib_ch_group_papd: calibration data related to papd channel group.
+ * @calib_ch_group_txp: calibration data related to tx power chanel group.
+ */
+struct iwl_phy_db {
+	struct iwl_phy_db_entry	cfg;
+	struct iwl_phy_db_entry	calib_nch;
+	struct iwl_phy_db_entry	calib_ch;
+	struct iwl_phy_db_entry	calib_ch_group_papd[IWL_NUM_PAPD_CH_GROUPS];
+	struct iwl_phy_db_entry	calib_ch_group_txp[IWL_NUM_TXP_CH_GROUPS];
+
+	u32 channel_num;
+	u32 channel_size;
+
+	/* for an access to the logger */
+	const struct iwl_shared *shrd;
+};
+
+enum iwl_phy_db_section_type {
+	IWL_PHY_DB_CFG = 1,
+	IWL_PHY_DB_CALIB_NCH,
+	IWL_PHY_DB_CALIB_CH,
+	IWL_PHY_DB_CALIB_CHG_PAPD,
+	IWL_PHY_DB_CALIB_CHG_TXP,
+	IWL_PHY_DB_MAX
+};
+
+struct iwl_phy_db *iwl_phy_db_init(struct iwl_shared *shrd);
+
+void iwl_phy_db_free(struct iwl_phy_db *phy_db);
+
+int iwl_phy_db_set_section(struct iwl_phy_db *phy_db,
+			   enum iwl_phy_db_section_type type, u8 *data,
+			   u16 size, gfp_t alloc_ctx);
+
+int iwl_phy_db_get_section_data(struct iwl_phy_db *phy_db,
+				enum iwl_phy_db_section_type type, u8 **data,
+				u16 *size, u16 ch_id);
+
+#endif /* __IWL_PHYDB_H__ */

drivers/net/wireless/iwlwifi/iwl-power.c

@@ -403,12 +403,12 @@ int iwl_power_set_mode(struct iwl_priv *priv, struct iwl_powertable_cmd *cmd,
 	}
 
 	if (cmd->flags & IWL_POWER_DRIVER_ALLOW_SLEEP_MSK)
-		set_bit(STATUS_POWER_PMI, &priv->shrd->status);
+		iwl_dvm_set_pmi(priv, true);
 
 	ret = iwl_set_power(priv, cmd);
 	if (!ret) {
 		if (!(cmd->flags & IWL_POWER_DRIVER_ALLOW_SLEEP_MSK))
-			clear_bit(STATUS_POWER_PMI, &priv->shrd->status);
+			iwl_dvm_set_pmi(priv, false);
 
 		if (update_chains)
 			iwl_update_chain_flags(priv);

drivers/net/wireless/iwlwifi/iwl-scan.c

@@ -69,7 +69,7 @@ static int iwl_send_scan_abort(struct iwl_priv *priv)
 	if (!test_bit(STATUS_READY, &priv->status) ||
 	    !test_bit(STATUS_GEO_CONFIGURED, &priv->status) ||
 	    !test_bit(STATUS_SCAN_HW, &priv->status) ||
-	    test_bit(STATUS_FW_ERROR, &priv->shrd->status))
+	    test_bit(STATUS_FW_ERROR, &priv->status))
 		return -EIO;
 
 	ret = iwl_dvm_send_cmd(priv, &cmd);
@@ -451,6 +451,46 @@ static u16 iwl_get_passive_dwell_time(struct iwl_priv *priv,
 	return iwl_limit_dwell(priv, passive);
 }
 
+/* Return valid, unused, channel for a passive scan to reset the RF */
+static u8 iwl_get_single_channel_number(struct iwl_priv *priv,
+				 enum ieee80211_band band)
+{
+	const struct iwl_channel_info *ch_info;
+	int i;
+	u8 channel = 0;
+	u8 min, max;
+	struct iwl_rxon_context *ctx;
+
+	if (band == IEEE80211_BAND_5GHZ) {
+		min = 14;
+		max = priv->channel_count;
+	} else {
+		min = 0;
+		max = 14;
+	}
+
+	for (i = min; i < max; i++) {
+		bool busy = false;
+
+		for_each_context(priv, ctx) {
+			busy = priv->channel_info[i].channel ==
+				le16_to_cpu(ctx->staging.channel);
+			if (busy)
+				break;
+		}
+
+		if (busy)
+			continue;
+
+		channel = priv->channel_info[i].channel;
+		ch_info = iwl_get_channel_info(priv, band, channel);
+		if (is_channel_valid(ch_info))
+			break;
+	}
+
+	return channel;
+}
+
 static int iwl_get_single_channel_for_scan(struct iwl_priv *priv,
 					   struct ieee80211_vif *vif,
 					   enum ieee80211_band band,
@@ -793,9 +833,6 @@ static int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
 
 	band = priv->scan_band;
 
-	if (cfg(priv)->scan_rx_antennas[band])
-		rx_ant = cfg(priv)->scan_rx_antennas[band];
-
 	if (band == IEEE80211_BAND_2GHZ &&
 	    cfg(priv)->bt_params &&
 	    cfg(priv)->bt_params->advanced_bt_coexist) {
@@ -809,8 +846,12 @@ static int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
 	rate_flags |= iwl_ant_idx_to_flags(priv->scan_tx_ant[band]);
 	scan->tx_cmd.rate_n_flags = iwl_hw_set_rate_n_flags(rate, rate_flags);
 
-	/* In power save mode use one chain, otherwise use all chains */
-	if (test_bit(STATUS_POWER_PMI, &priv->shrd->status)) {
+	/*
+	 * In power save mode while associated use one chain,
+	 * otherwise use all chains
+	 */
+	if (test_bit(STATUS_POWER_PMI, &priv->status) &&
+	    !(priv->hw->conf.flags & IEEE80211_CONF_IDLE)) {
 		/* rx_ant has been set to all valid chains previously */
 		active_chains = rx_ant &
 				((u8)(priv->chain_noise_data.active_chains));

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

@@ -160,7 +160,6 @@ struct iwl_mod_params {
  *
  * Holds the module parameters
  *
- * @num_ampdu_queues: num of ampdu queues
  * @tx_chains_num: Number of TX chains
  * @rx_chains_num: Number of RX chains
  * @valid_tx_ant: usable antennas for TX
@@ -176,7 +175,6 @@ struct iwl_mod_params {
  * @use_rts_for_aggregation: use rts/cts protection for HT traffic
  */
 struct iwl_hw_params {
-	u8  num_ampdu_queues;
 	u8  tx_chains_num;
 	u8  rx_chains_num;
 	u8  valid_tx_ant;
@@ -217,7 +215,6 @@ enum iwl_led_mode {
  * @chain_noise_num_beacons: number of beacons used to compute chain noise
  * @adv_thermal_throttle: support advance thermal throttle
  * @support_ct_kill_exit: support ct kill exit condition
- * @support_wimax_coexist: support wimax/wifi co-exist
  * @plcp_delta_threshold: plcp error rate threshold used to trigger
  *	radio tuning when there is a high receiving plcp error rate
  * @chain_noise_scale: default chain noise scale used for gain computation
@@ -231,7 +228,6 @@ enum iwl_led_mode {
 struct iwl_base_params {
 	int eeprom_size;
 	int num_of_queues;	/* def: HW dependent */
-	int num_of_ampdu_queues;/* def: HW dependent */
 	/* for iwl_apm_init() */
 	u32 pll_cfg_val;
 
@@ -240,7 +236,6 @@ struct iwl_base_params {
 	u16 led_compensation;
 	bool adv_thermal_throttle;
 	bool support_ct_kill_exit;
-	const bool support_wimax_coexist;
 	u8 plcp_delta_threshold;
 	s32 chain_noise_scale;
 	unsigned int wd_timeout;
@@ -299,21 +294,15 @@ struct iwl_ht_params {
  * @need_temp_offset_calib: need to perform temperature offset calibration
  * @no_xtal_calib: some devices do not need crystal calibration data,
  *	don't send it to those
- * @scan_rx_antennas: available antenna for scan operation
  * @led_mode: 0=blinking, 1=On(RF On)/Off(RF Off)
  * @adv_pm: advance power management
  * @rx_with_siso_diversity: 1x1 device with rx antenna diversity
  * @internal_wimax_coex: internal wifi/wimax combo device
- * @iq_invert: I/Q inversion
  * @temp_offset_v2: support v2 of temperature offset calibration
  *
- * We enable the driver to be backward compatible wrt API version. The
- * driver specifies which APIs it supports (with @ucode_api_max being the
- * highest and @ucode_api_min the lowest). Firmware will only be loaded if
- * it has a supported API version.
- *
- * The ideal usage of this infrastructure is to treat a new ucode API
- * release as a new hardware revision.
+ * We enable the driver to be backward compatible wrt. hardware features.
+ * API differences in uCode shouldn't be handled here but through TLVs
+ * and/or the uCode API version instead.
  */
 struct iwl_cfg {
 	/* params specific to an individual device within a device family */
@@ -337,12 +326,10 @@ struct iwl_cfg {
 	const struct iwl_bt_params *bt_params;
 	const bool need_temp_offset_calib; /* if used set to true */
 	const bool no_xtal_calib;
-	u8 scan_rx_antennas[IEEE80211_NUM_BANDS];
 	enum iwl_led_mode led_mode;
 	const bool adv_pm;
 	const bool rx_with_siso_diversity;
 	const bool internal_wimax_coex;
-	const bool iq_invert;
 	const bool temp_offset_v2;
 };
 
@@ -351,7 +338,6 @@ struct iwl_cfg {
  *
  * @status: STATUS_*
  * @wowlan: are we running wowlan uCode
- * @valid_contexts: microcode/device supports multiple contexts
  * @bus: pointer to the bus layer data
  * @cfg: see struct iwl_cfg
  * @priv: pointer to the upper layer data
@@ -360,30 +346,18 @@ struct iwl_cfg {
  * @hw_params: see struct iwl_hw_params
  * @lock: protect general shared data
  * @eeprom: pointer to the eeprom/OTP image
- * @ucode_type: indicator of loaded ucode image
- * @device_pointers: pointers to ucode event tables
  */
 struct iwl_shared {
 	unsigned long status;
-	u8 valid_contexts;
 
 	const struct iwl_cfg *cfg;
 	struct iwl_trans *trans;
 	void *drv;
 	struct iwl_hw_params hw_params;
-	const struct iwl_fw *fw;
 
 	/* eeprom -- this is in the card's little endian byte order */
 	u8 *eeprom;
 
-	/* ucode related variables */
-	enum iwl_ucode_type ucode_type;
-
-	struct {
-		u32 error_event_table;
-		u32 log_event_table;
-	} device_pointers;
-
 };
 
 /*Whatever _m is (iwl_trans, iwl_priv, these macros will work */

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

@@ -423,10 +423,13 @@ nla_put_failure:
 static int iwl_testmode_cfg_init_calib(struct iwl_priv *priv)
 {
 	struct iwl_notification_wait calib_wait;
+	static const u8 calib_complete[] = {
+		CALIBRATION_COMPLETE_NOTIFICATION
+	};
 	int ret;
 
 	iwl_init_notification_wait(&priv->notif_wait, &calib_wait,
-				   CALIBRATION_COMPLETE_NOTIFICATION,
+				   calib_complete, ARRAY_SIZE(calib_complete),
 				   NULL, NULL);
 	ret = iwl_init_alive_start(priv);
 	if (ret) {
@@ -605,11 +608,11 @@ static int iwl_testmode_driver(struct ieee80211_hw *hw, struct nlattr **tb)
 			IWL_ERR(priv, "No uCode has not been loaded\n");
 			return -EINVAL;
 		} else {
-			img = &priv->fw->img[priv->shrd->ucode_type];
+			img = &priv->fw->img[priv->cur_ucode];
 			inst_size = img->sec[IWL_UCODE_SECTION_INST].len;
 			data_size = img->sec[IWL_UCODE_SECTION_DATA].len;
 		}
-		if (nla_put_u32(skb, IWL_TM_ATTR_FW_TYPE, priv->shrd->ucode_type) ||
+		if (nla_put_u32(skb, IWL_TM_ATTR_FW_TYPE, priv->cur_ucode) ||
 		    nla_put_u32(skb, IWL_TM_ATTR_FW_INST_SIZE, inst_size) ||
 		    nla_put_u32(skb, IWL_TM_ATTR_FW_DATA_SIZE, data_size))
 			goto nla_put_failure;

drivers/net/wireless/iwlwifi/iwl-trans-pcie-int.h

@@ -136,13 +136,6 @@ static inline int iwl_queue_dec_wrap(int index, int n_bd)
 	return --index & (n_bd - 1);
 }
 
-/*
- * This queue number is required for proper operation
- * because the ucode will stop/start the scheduler as
- * required.
- */
-#define IWL_IPAN_MCAST_QUEUE		8
-
 struct iwl_cmd_meta {
 	/* only for SYNC commands, iff the reply skb is wanted */
 	struct iwl_host_cmd *source;
@@ -199,9 +192,6 @@ struct iwl_queue {
  * lock: queue lock
  * @time_stamp: time (in jiffies) of last read_ptr change
  * @need_update: indicates need to update read/write index
- * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled
- * @sta_id: valid if sched_retry is set
- * @tid: valid if sched_retry is set
  *
  * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
  * descriptors) and required locking structures.
@@ -218,12 +208,7 @@ struct iwl_tx_queue {
 	spinlock_t lock;
 	unsigned long time_stamp;
 	u8 need_update;
-	u8 sched_retry;
 	u8 active;
-	u8 swq_id;
-
-	u16 sta_id;
-	u16 tid;
 };
 
 /**
@@ -236,13 +221,6 @@ struct iwl_tx_queue {
  * @scd_base_addr: scheduler sram base address in SRAM
  * @scd_bc_tbls: pointer to the byte count table of the scheduler
  * @kw: keep warm address
- * @ac_to_fifo: to what fifo is a specifc AC mapped ?
- * @ac_to_queue: to what tx queue  is a specifc AC mapped ?
- * @mcast_queue:
- * @txq: Tx DMA processing queues
- * @txq_ctx_active_msk: what queue is active
- * queue_stopped: tracks what queue is stopped
- * queue_stop_count: tracks what SW queue is stopped
  * @pci_dev: basic pci-network driver stuff
  * @hw_base: pci hardware address support
  * @ucode_write_complete: indicates that the ucode has been copied.
@@ -272,16 +250,9 @@ struct iwl_trans_pcie {
 	struct iwl_dma_ptr scd_bc_tbls;
 	struct iwl_dma_ptr kw;
 
-	const u8 *ac_to_fifo[NUM_IWL_RXON_CTX];
-	const u8 *ac_to_queue[NUM_IWL_RXON_CTX];
-	u8 mcast_queue[NUM_IWL_RXON_CTX];
-	u8 agg_txq[IWLAGN_STATION_COUNT][IWL_MAX_TID_COUNT];
-
 	struct iwl_tx_queue *txq;
-	unsigned long txq_ctx_active_msk;
-#define IWL_MAX_HW_QUEUES	32
+	unsigned long queue_used[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)];
 	unsigned long queue_stopped[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)];
-	atomic_t queue_stop_count[4];
 
 	/* PCI bus related data */
 	struct pci_dev *pci_dev;
@@ -293,6 +264,8 @@ struct iwl_trans_pcie {
 	u8 cmd_queue;
 	u8 n_no_reclaim_cmds;
 	u8 no_reclaim_cmds[MAX_NO_RECLAIM_CMDS];
+	u8 setup_q_to_fifo[IWL_MAX_HW_QUEUES];
+	u8 n_q_to_fifo;
 };
 
 #define IWL_TRANS_GET_PCIE_TRANS(_iwl_trans) \
@@ -331,15 +304,12 @@ void iwl_tx_cmd_complete(struct iwl_trans *trans,
 void iwl_trans_txq_update_byte_cnt_tbl(struct iwl_trans *trans,
 					   struct iwl_tx_queue *txq,
 					   u16 byte_cnt);
-int iwl_trans_pcie_tx_agg_disable(struct iwl_trans *trans,
-				  int sta_id, int tid);
+void iwl_trans_pcie_tx_agg_disable(struct iwl_trans *trans, int queue);
 void iwl_trans_set_wr_ptrs(struct iwl_trans *trans, int txq_id, u32 index);
 void iwl_trans_tx_queue_set_status(struct iwl_trans *trans,
-			     struct iwl_tx_queue *txq,
-			     int tx_fifo_id, int scd_retry);
-int iwl_trans_pcie_tx_agg_alloc(struct iwl_trans *trans, int sta_id, int tid);
-void iwl_trans_pcie_tx_agg_setup(struct iwl_trans *trans,
-				 enum iwl_rxon_context_id ctx,
+				   struct iwl_tx_queue *txq,
+				   int tx_fifo_id, bool active);
+void iwl_trans_pcie_tx_agg_setup(struct iwl_trans *trans, int queue, int fifo,
 				 int sta_id, int tid, int frame_limit, u16 ssn);
 void iwlagn_txq_free_tfd(struct iwl_trans *trans, struct iwl_tx_queue *txq,
 	int index, enum dma_data_direction dma_dir);
@@ -350,8 +320,6 @@ int iwl_queue_space(const struct iwl_queue *q);
 /*****************************************************
 * Error handling
 ******************************************************/
-int iwl_dump_nic_event_log(struct iwl_trans *trans, bool full_log,
-			    char **buf, bool display);
 int iwl_dump_fh(struct iwl_trans *trans, char **buf, bool display);
 void iwl_dump_csr(struct iwl_trans *trans);
 
@@ -388,91 +356,28 @@ static inline void iwl_enable_rfkill_int(struct iwl_trans *trans)
 	iwl_write32(trans, CSR_INT_MASK, CSR_INT_BIT_RF_KILL);
 }
 
-/*
- * we have 8 bits used like this:
- *
- * 7 6 5 4 3 2 1 0
- * | | | | | | | |
- * | | | | | | +-+-------- AC queue (0-3)
- * | | | | | |
- * | +-+-+-+-+------------ HW queue ID
- * |
- * +---------------------- unused
- */
-static inline void iwl_set_swq_id(struct iwl_tx_queue *txq, u8 ac, u8 hwq)
-{
-	BUG_ON(ac > 3);   /* only have 2 bits */
-	BUG_ON(hwq > 31); /* only use 5 bits */
-
-	txq->swq_id = (hwq << 2) | ac;
-}
-
-static inline u8 iwl_get_queue_ac(struct iwl_tx_queue *txq)
-{
-	return txq->swq_id & 0x3;
-}
-
 static inline void iwl_wake_queue(struct iwl_trans *trans,
 				  struct iwl_tx_queue *txq)
 {
-	u8 queue = txq->swq_id;
-	u8 ac = queue & 3;
-	u8 hwq = (queue >> 2) & 0x1f;
-	struct iwl_trans_pcie *trans_pcie =
-		IWL_TRANS_GET_PCIE_TRANS(trans);
-
-	if (test_and_clear_bit(hwq, trans_pcie->queue_stopped)) {
-		if (atomic_dec_return(&trans_pcie->queue_stop_count[ac]) <= 0) {
-			iwl_op_mode_queue_not_full(trans->op_mode, ac);
-			IWL_DEBUG_TX_QUEUES(trans, "Wake hwq %d ac %d",
-					    hwq, ac);
-		} else {
-			IWL_DEBUG_TX_QUEUES(trans,
-				"Don't wake hwq %d ac %d stop count %d",
-				hwq, ac,
-				atomic_read(&trans_pcie->queue_stop_count[ac]));
-		}
+	struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
+
+	if (test_and_clear_bit(txq->q.id, trans_pcie->queue_stopped)) {
+		IWL_DEBUG_TX_QUEUES(trans, "Wake hwq %d\n", txq->q.id);
+		iwl_op_mode_queue_not_full(trans->op_mode, txq->q.id);
 	}
 }
 
 static inline void iwl_stop_queue(struct iwl_trans *trans,
 				  struct iwl_tx_queue *txq)
 {
-	u8 queue = txq->swq_id;
-	u8 ac = queue & 3;
-	u8 hwq = (queue >> 2) & 0x1f;
-	struct iwl_trans_pcie *trans_pcie =
-		IWL_TRANS_GET_PCIE_TRANS(trans);
-
-	if (!test_and_set_bit(hwq, trans_pcie->queue_stopped)) {
-		if (atomic_inc_return(&trans_pcie->queue_stop_count[ac]) > 0) {
-			iwl_op_mode_queue_full(trans->op_mode, ac);
-			IWL_DEBUG_TX_QUEUES(trans,
-				"Stop hwq %d ac %d stop count %d",
-				hwq, ac,
-				atomic_read(&trans_pcie->queue_stop_count[ac]));
-		} else {
-			IWL_DEBUG_TX_QUEUES(trans,
-				"Don't stop hwq %d ac %d stop count %d",
-				hwq, ac,
-				atomic_read(&trans_pcie->queue_stop_count[ac]));
-		}
-	} else {
-		IWL_DEBUG_TX_QUEUES(trans, "stop hwq %d, but it is stopped",
-				    hwq);
-	}
-}
-
-static inline void iwl_txq_ctx_activate(struct iwl_trans_pcie *trans_pcie,
-					int txq_id)
-{
-	set_bit(txq_id, &trans_pcie->txq_ctx_active_msk);
-}
+	struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
 
-static inline void iwl_txq_ctx_deactivate(struct iwl_trans_pcie *trans_pcie,
-					  int txq_id)
-{
-	clear_bit(txq_id, &trans_pcie->txq_ctx_active_msk);
+	if (!test_and_set_bit(txq->q.id, trans_pcie->queue_stopped)) {
+		iwl_op_mode_queue_full(trans->op_mode, txq->q.id);
+		IWL_DEBUG_TX_QUEUES(trans, "Stop hwq %d\n", txq->q.id);
+	} else
+		IWL_DEBUG_TX_QUEUES(trans, "hwq %d already stopped\n",
+				    txq->q.id);
 }
 
 static inline int iwl_queue_used(const struct iwl_queue *q, int i)
@@ -487,19 +392,4 @@ static inline u8 get_cmd_index(struct iwl_queue *q, u32 index)
 	return index & (q->n_window - 1);
 }
 
-#define IWL_TX_FIFO_BK		0	/* shared */
-#define IWL_TX_FIFO_BE		1
-#define IWL_TX_FIFO_VI		2	/* shared */
-#define IWL_TX_FIFO_VO		3
-#define IWL_TX_FIFO_BK_IPAN	IWL_TX_FIFO_BK
-#define IWL_TX_FIFO_BE_IPAN	4
-#define IWL_TX_FIFO_VI_IPAN	IWL_TX_FIFO_VI
-#define IWL_TX_FIFO_VO_IPAN	5
-/* re-uses the VO FIFO, uCode will properly flush/schedule */
-#define IWL_TX_FIFO_AUX		5
-#define IWL_TX_FIFO_UNUSED	-1
-
-/* AUX (TX during scan dwell) queue */
-#define IWL_AUX_QUEUE		10
-
 #endif /* __iwl_trans_int_pcie_h__ */

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

@@ -146,8 +146,11 @@ void iwl_rx_queue_update_write_ptr(struct iwl_trans *trans,
 		q->write_actual = (q->write & ~0x7);
 		iwl_write32(trans, FH_RSCSR_CHNL0_WPTR, q->write_actual);
 	} else {
+		struct iwl_trans_pcie *trans_pcie =
+			IWL_TRANS_GET_PCIE_TRANS(trans);
+
 		/* If power-saving is in use, make sure device is awake */
-		if (test_bit(STATUS_POWER_PMI, &trans->shrd->status)) {
+		if (test_bit(STATUS_POWER_PMI, &trans_pcie->status)) {
 			reg = iwl_read32(trans, CSR_UCODE_DRV_GP1);
 
 			if (reg & CSR_UCODE_DRV_GP1_BIT_MAC_SLEEP) {
@@ -362,83 +365,96 @@ static void iwl_rx_handle_rxbuf(struct iwl_trans *trans,
 	struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
 	struct iwl_rx_queue *rxq = &trans_pcie->rxq;
 	struct iwl_tx_queue *txq = &trans_pcie->txq[trans_pcie->cmd_queue];
-	struct iwl_device_cmd *cmd;
 	unsigned long flags;
-	int len, err;
-	u16 sequence;
-	struct iwl_rx_cmd_buffer rxcb;
-	struct iwl_rx_packet *pkt;
-	bool reclaim;
-	int index, cmd_index;
+	bool page_stolen = false;
+	int max_len = PAGE_SIZE << hw_params(trans).rx_page_order;
+	u32 offset = 0;
 
 	if (WARN_ON(!rxb))
 		return;
 
-	dma_unmap_page(trans->dev, rxb->page_dma,
-		       PAGE_SIZE << hw_params(trans).rx_page_order,
-		       DMA_FROM_DEVICE);
-
-	rxcb._page = rxb->page;
-	pkt = rxb_addr(&rxcb);
+	dma_unmap_page(trans->dev, rxb->page_dma, max_len, DMA_FROM_DEVICE);
 
-	IWL_DEBUG_RX(trans, "%s, 0x%02x\n",
-		     get_cmd_string(pkt->hdr.cmd), pkt->hdr.cmd);
+	while (offset + sizeof(u32) + sizeof(struct iwl_cmd_header) < max_len) {
+		struct iwl_rx_packet *pkt;
+		struct iwl_device_cmd *cmd;
+		u16 sequence;
+		bool reclaim;
+		int index, cmd_index, err, len;
+		struct iwl_rx_cmd_buffer rxcb = {
+			._offset = offset,
+			._page = rxb->page,
+			._page_stolen = false,
+		};
 
+		pkt = rxb_addr(&rxcb);
 
-	len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK;
-	len += sizeof(u32); /* account for status word */
-	trace_iwlwifi_dev_rx(trans->dev, pkt, len);
-
-	/* Reclaim a command buffer only if this packet is a response
-	 *   to a (driver-originated) command.
-	 * If the packet (e.g. Rx frame) originated from uCode,
-	 *   there is no command buffer to reclaim.
-	 * Ucode should set SEQ_RX_FRAME bit if ucode-originated,
-	 *   but apparently a few don't get set; catch them here. */
-	reclaim = !(pkt->hdr.sequence & SEQ_RX_FRAME);
-	if (reclaim) {
-		int i;
+		if (pkt->len_n_flags == cpu_to_le32(FH_RSCSR_FRAME_INVALID))
+			break;
 
-		for (i = 0; i < trans_pcie->n_no_reclaim_cmds; i++) {
-			if (trans_pcie->no_reclaim_cmds[i] == pkt->hdr.cmd) {
-				reclaim = false;
-				break;
+		IWL_DEBUG_RX(trans, "cmd at offset %d: %s (0x%.2x)\n",
+			     rxcb._offset, get_cmd_string(pkt->hdr.cmd),
+			     pkt->hdr.cmd);
+
+		len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK;
+		len += sizeof(u32); /* account for status word */
+		trace_iwlwifi_dev_rx(trans->dev, pkt, len);
+
+		/* Reclaim a command buffer only if this packet is a response
+		 *   to a (driver-originated) command.
+		 * If the packet (e.g. Rx frame) originated from uCode,
+		 *   there is no command buffer to reclaim.
+		 * Ucode should set SEQ_RX_FRAME bit if ucode-originated,
+		 *   but apparently a few don't get set; catch them here. */
+		reclaim = !(pkt->hdr.sequence & SEQ_RX_FRAME);
+		if (reclaim) {
+			int i;
+
+			for (i = 0; i < trans_pcie->n_no_reclaim_cmds; i++) {
+				if (trans_pcie->no_reclaim_cmds[i] ==
+							pkt->hdr.cmd) {
+					reclaim = false;
+					break;
+				}
 			}
 		}
-	}
 
-	sequence = le16_to_cpu(pkt->hdr.sequence);
-	index = SEQ_TO_INDEX(sequence);
-	cmd_index = get_cmd_index(&txq->q, index);
+		sequence = le16_to_cpu(pkt->hdr.sequence);
+		index = SEQ_TO_INDEX(sequence);
+		cmd_index = get_cmd_index(&txq->q, index);
 
-	if (reclaim)
-		cmd = txq->cmd[cmd_index];
-	else
-		cmd = NULL;
+		if (reclaim)
+			cmd = txq->cmd[cmd_index];
+		else
+			cmd = NULL;
 
-	err = iwl_op_mode_rx(trans->op_mode, &rxcb, cmd);
+		err = iwl_op_mode_rx(trans->op_mode, &rxcb, cmd);
 
-	/*
-	 * XXX: After here, we should always check rxcb._page
-	 * against NULL before touching it or its virtual
-	 * memory (pkt). Because some rx_handler might have
-	 * already taken or freed the pages.
-	 */
+		/*
+		 * After here, we should always check rxcb._page_stolen,
+		 * if it is true then one of the handlers took the page.
+		 */
 
-	if (reclaim) {
-		/* Invoke any callbacks, transfer the buffer to caller,
-		 * and fire off the (possibly) blocking
-		 * iwl_trans_send_cmd()
-		 * as we reclaim the driver command queue */
-		if (rxcb._page)
-			iwl_tx_cmd_complete(trans, &rxcb, err);
-		else
-			IWL_WARN(trans, "Claim null rxb?\n");
+		if (reclaim) {
+			/* Invoke any callbacks, transfer the buffer to caller,
+			 * and fire off the (possibly) blocking
+			 * iwl_trans_send_cmd()
+			 * as we reclaim the driver command queue */
+			if (!rxcb._page_stolen)
+				iwl_tx_cmd_complete(trans, &rxcb, err);
+			else
+				IWL_WARN(trans, "Claim null rxb?\n");
+		}
+
+		page_stolen |= rxcb._page_stolen;
+		offset += ALIGN(len, FH_RSCSR_FRAME_ALIGN);
 	}
 
-	/* page was stolen from us */
-	if (rxcb._page == NULL)
+	/* page was stolen from us -- free our reference */
+	if (page_stolen) {
+		__free_pages(rxb->page, hw_params(trans).rx_page_order);
 		rxb->page = NULL;
+	}
 
 	/* Reuse the page if possible. For notification packets and
 	 * SKBs that fail to Rx correctly, add them back into the
@@ -520,153 +536,6 @@ static void iwl_rx_handle(struct iwl_trans *trans)
 		iwlagn_rx_queue_restock(trans);
 }
 
-static const char * const desc_lookup_text[] = {
-	"OK",
-	"FAIL",
-	"BAD_PARAM",
-	"BAD_CHECKSUM",
-	"NMI_INTERRUPT_WDG",
-	"SYSASSERT",
-	"FATAL_ERROR",
-	"BAD_COMMAND",
-	"HW_ERROR_TUNE_LOCK",
-	"HW_ERROR_TEMPERATURE",
-	"ILLEGAL_CHAN_FREQ",
-	"VCC_NOT_STABLE",
-	"FH_ERROR",
-	"NMI_INTERRUPT_HOST",
-	"NMI_INTERRUPT_ACTION_PT",
-	"NMI_INTERRUPT_UNKNOWN",
-	"UCODE_VERSION_MISMATCH",
-	"HW_ERROR_ABS_LOCK",
-	"HW_ERROR_CAL_LOCK_FAIL",
-	"NMI_INTERRUPT_INST_ACTION_PT",
-	"NMI_INTERRUPT_DATA_ACTION_PT",
-	"NMI_TRM_HW_ER",
-	"NMI_INTERRUPT_TRM",
-	"NMI_INTERRUPT_BREAK_POINT",
-	"DEBUG_0",
-	"DEBUG_1",
-	"DEBUG_2",
-	"DEBUG_3",
-};
-
-static struct { char *name; u8 num; } advanced_lookup[] = {
-	{ "NMI_INTERRUPT_WDG", 0x34 },
-	{ "SYSASSERT", 0x35 },
-	{ "UCODE_VERSION_MISMATCH", 0x37 },
-	{ "BAD_COMMAND", 0x38 },
-	{ "NMI_INTERRUPT_DATA_ACTION_PT", 0x3C },
-	{ "FATAL_ERROR", 0x3D },
-	{ "NMI_TRM_HW_ERR", 0x46 },
-	{ "NMI_INTERRUPT_TRM", 0x4C },
-	{ "NMI_INTERRUPT_BREAK_POINT", 0x54 },
-	{ "NMI_INTERRUPT_WDG_RXF_FULL", 0x5C },
-	{ "NMI_INTERRUPT_WDG_NO_RBD_RXF_FULL", 0x64 },
-	{ "NMI_INTERRUPT_HOST", 0x66 },
-	{ "NMI_INTERRUPT_ACTION_PT", 0x7C },
-	{ "NMI_INTERRUPT_UNKNOWN", 0x84 },
-	{ "NMI_INTERRUPT_INST_ACTION_PT", 0x86 },
-	{ "ADVANCED_SYSASSERT", 0 },
-};
-
-static const char *desc_lookup(u32 num)
-{
-	int i;
-	int max = ARRAY_SIZE(desc_lookup_text);
-
-	if (num < max)
-		return desc_lookup_text[num];
-
-	max = ARRAY_SIZE(advanced_lookup) - 1;
-	for (i = 0; i < max; i++) {
-		if (advanced_lookup[i].num == num)
-			break;
-	}
-	return advanced_lookup[i].name;
-}
-
-#define ERROR_START_OFFSET  (1 * sizeof(u32))
-#define ERROR_ELEM_SIZE     (7 * sizeof(u32))
-
-static void iwl_dump_nic_error_log(struct iwl_trans *trans)
-{
-	u32 base;
-	struct iwl_error_event_table table;
-	struct iwl_trans_pcie *trans_pcie =
-		IWL_TRANS_GET_PCIE_TRANS(trans);
-
-	base = trans->shrd->device_pointers.error_event_table;
-	if (trans->shrd->ucode_type == IWL_UCODE_INIT) {
-		if (!base)
-			base = trans->shrd->fw->init_errlog_ptr;
-	} else {
-		if (!base)
-			base = trans->shrd->fw->inst_errlog_ptr;
-	}
-
-	if (!iwlagn_hw_valid_rtc_data_addr(base)) {
-		IWL_ERR(trans,
-			"Not valid error log pointer 0x%08X for %s uCode\n",
-			base,
-			(trans->shrd->ucode_type == IWL_UCODE_INIT)
-					? "Init" : "RT");
-		return;
-	}
-
-	iwl_read_targ_mem_words(trans, base, &table, sizeof(table));
-
-	if (ERROR_START_OFFSET <= table.valid * ERROR_ELEM_SIZE) {
-		IWL_ERR(trans, "Start IWL Error Log Dump:\n");
-		IWL_ERR(trans, "Status: 0x%08lX, count: %d\n",
-			trans->shrd->status, table.valid);
-	}
-
-	trans_pcie->isr_stats.err_code = table.error_id;
-
-	trace_iwlwifi_dev_ucode_error(trans->dev, table.error_id, table.tsf_low,
-				      table.data1, table.data2, table.line,
-				      table.blink1, table.blink2, table.ilink1,
-				      table.ilink2, table.bcon_time, table.gp1,
-				      table.gp2, table.gp3, table.ucode_ver,
-				      table.hw_ver, table.brd_ver);
-	IWL_ERR(trans, "0x%08X | %-28s\n", table.error_id,
-		desc_lookup(table.error_id));
-	IWL_ERR(trans, "0x%08X | uPc\n", table.pc);
-	IWL_ERR(trans, "0x%08X | branchlink1\n", table.blink1);
-	IWL_ERR(trans, "0x%08X | branchlink2\n", table.blink2);
-	IWL_ERR(trans, "0x%08X | interruptlink1\n", table.ilink1);
-	IWL_ERR(trans, "0x%08X | interruptlink2\n", table.ilink2);
-	IWL_ERR(trans, "0x%08X | data1\n", table.data1);
-	IWL_ERR(trans, "0x%08X | data2\n", table.data2);
-	IWL_ERR(trans, "0x%08X | line\n", table.line);
-	IWL_ERR(trans, "0x%08X | beacon time\n", table.bcon_time);
-	IWL_ERR(trans, "0x%08X | tsf low\n", table.tsf_low);
-	IWL_ERR(trans, "0x%08X | tsf hi\n", table.tsf_hi);
-	IWL_ERR(trans, "0x%08X | time gp1\n", table.gp1);
-	IWL_ERR(trans, "0x%08X | time gp2\n", table.gp2);
-	IWL_ERR(trans, "0x%08X | time gp3\n", table.gp3);
-	IWL_ERR(trans, "0x%08X | uCode version\n", table.ucode_ver);
-	IWL_ERR(trans, "0x%08X | hw version\n", table.hw_ver);
-	IWL_ERR(trans, "0x%08X | board version\n", table.brd_ver);
-	IWL_ERR(trans, "0x%08X | hcmd\n", table.hcmd);
-
-	IWL_ERR(trans, "0x%08X | isr0\n", table.isr0);
-	IWL_ERR(trans, "0x%08X | isr1\n", table.isr1);
-	IWL_ERR(trans, "0x%08X | isr2\n", table.isr2);
-	IWL_ERR(trans, "0x%08X | isr3\n", table.isr3);
-	IWL_ERR(trans, "0x%08X | isr4\n", table.isr4);
-	IWL_ERR(trans, "0x%08X | isr_pref\n", table.isr_pref);
-	IWL_ERR(trans, "0x%08X | wait_event\n", table.wait_event);
-	IWL_ERR(trans, "0x%08X | l2p_control\n", table.l2p_control);
-	IWL_ERR(trans, "0x%08X | l2p_duration\n", table.l2p_duration);
-	IWL_ERR(trans, "0x%08X | l2p_mhvalid\n", table.l2p_mhvalid);
-	IWL_ERR(trans, "0x%08X | l2p_addr_match\n", table.l2p_addr_match);
-	IWL_ERR(trans, "0x%08X | lmpm_pmg_sel\n", table.lmpm_pmg_sel);
-	IWL_ERR(trans, "0x%08X | timestamp\n", table.u_timestamp);
-	IWL_ERR(trans, "0x%08X | flow_handler\n", table.flow_handler);
-}
-
 /**
  * iwl_irq_handle_error - called for HW or SW error interrupt from card
  */
@@ -689,243 +558,12 @@ static void iwl_irq_handle_error(struct iwl_trans *trans)
 		return;
 	}
 
-	IWL_ERR(trans, "Loaded firmware version: %s\n",
-		trans->shrd->fw->fw_version);
-
-	iwl_dump_nic_error_log(trans);
 	iwl_dump_csr(trans);
 	iwl_dump_fh(trans, NULL, false);
-	iwl_dump_nic_event_log(trans, false, NULL, false);
 
 	iwl_op_mode_nic_error(trans->op_mode);
 }
 
-#define EVENT_START_OFFSET  (4 * sizeof(u32))
-
-/**
- * iwl_print_event_log - Dump error event log to syslog
- *
- */
-static int iwl_print_event_log(struct iwl_trans *trans, u32 start_idx,
-			       u32 num_events, u32 mode,
-			       int pos, char **buf, size_t bufsz)
-{
-	u32 i;
-	u32 base;       /* SRAM byte address of event log header */
-	u32 event_size; /* 2 u32s, or 3 u32s if timestamp recorded */
-	u32 ptr;        /* SRAM byte address of log data */
-	u32 ev, time, data; /* event log data */
-	unsigned long reg_flags;
-
-	if (num_events == 0)
-		return pos;
-
-	base = trans->shrd->device_pointers.log_event_table;
-	if (trans->shrd->ucode_type == IWL_UCODE_INIT) {
-		if (!base)
-			base = trans->shrd->fw->init_evtlog_ptr;
-	} else {
-		if (!base)
-			base = trans->shrd->fw->inst_evtlog_ptr;
-	}
-
-	if (mode == 0)
-		event_size = 2 * sizeof(u32);
-	else
-		event_size = 3 * sizeof(u32);
-
-	ptr = base + EVENT_START_OFFSET + (start_idx * event_size);
-
-	/* Make sure device is powered up for SRAM reads */
-	spin_lock_irqsave(&trans->reg_lock, reg_flags);
-	if (unlikely(!iwl_grab_nic_access(trans)))
-		goto out_unlock;
-
-	/* Set starting address; reads will auto-increment */
-	iwl_write32(trans, HBUS_TARG_MEM_RADDR, ptr);
-
-	/* "time" is actually "data" for mode 0 (no timestamp).
-	* place event id # at far right for easier visual parsing. */
-	for (i = 0; i < num_events; i++) {
-		ev = iwl_read32(trans, HBUS_TARG_MEM_RDAT);
-		time = iwl_read32(trans, HBUS_TARG_MEM_RDAT);
-		if (mode == 0) {
-			/* data, ev */
-			if (bufsz) {
-				pos += scnprintf(*buf + pos, bufsz - pos,
-						"EVT_LOG:0x%08x:%04u\n",
-						time, ev);
-			} else {
-				trace_iwlwifi_dev_ucode_event(trans->dev, 0,
-					time, ev);
-				IWL_ERR(trans, "EVT_LOG:0x%08x:%04u\n",
-					time, ev);
-			}
-		} else {
-			data = iwl_read32(trans, HBUS_TARG_MEM_RDAT);
-			if (bufsz) {
-				pos += scnprintf(*buf + pos, bufsz - pos,
-						"EVT_LOGT:%010u:0x%08x:%04u\n",
-						 time, data, ev);
-			} else {
-				IWL_ERR(trans, "EVT_LOGT:%010u:0x%08x:%04u\n",
-					time, data, ev);
-				trace_iwlwifi_dev_ucode_event(trans->dev, time,
-					data, ev);
-			}
-		}
-	}
-
-	/* Allow device to power down */
-	iwl_release_nic_access(trans);
-out_unlock:
-	spin_unlock_irqrestore(&trans->reg_lock, reg_flags);
-	return pos;
-}
-
-/**
- * iwl_print_last_event_logs - Dump the newest # of event log to syslog
- */
-static int iwl_print_last_event_logs(struct iwl_trans *trans, u32 capacity,
-				    u32 num_wraps, u32 next_entry,
-				    u32 size, u32 mode,
-				    int pos, char **buf, size_t bufsz)
-{
-	/*
-	 * display the newest DEFAULT_LOG_ENTRIES entries
-	 * i.e the entries just before the next ont that uCode would fill.
-	 */
-	if (num_wraps) {
-		if (next_entry < size) {
-			pos = iwl_print_event_log(trans,
-						capacity - (size - next_entry),
-						size - next_entry, mode,
-						pos, buf, bufsz);
-			pos = iwl_print_event_log(trans, 0,
-						  next_entry, mode,
-						  pos, buf, bufsz);
-		} else
-			pos = iwl_print_event_log(trans, next_entry - size,
-						  size, mode, pos, buf, bufsz);
-	} else {
-		if (next_entry < size) {
-			pos = iwl_print_event_log(trans, 0, next_entry,
-						  mode, pos, buf, bufsz);
-		} else {
-			pos = iwl_print_event_log(trans, next_entry - size,
-						  size, mode, pos, buf, bufsz);
-		}
-	}
-	return pos;
-}
-
-#define DEFAULT_DUMP_EVENT_LOG_ENTRIES (20)
-
-int iwl_dump_nic_event_log(struct iwl_trans *trans, bool full_log,
-			    char **buf, bool display)
-{
-	u32 base;       /* SRAM byte address of event log header */
-	u32 capacity;   /* event log capacity in # entries */
-	u32 mode;       /* 0 - no timestamp, 1 - timestamp recorded */
-	u32 num_wraps;  /* # times uCode wrapped to top of log */
-	u32 next_entry; /* index of next entry to be written by uCode */
-	u32 size;       /* # entries that we'll print */
-	u32 logsize;
-	int pos = 0;
-	size_t bufsz = 0;
-
-	base = trans->shrd->device_pointers.log_event_table;
-	if (trans->shrd->ucode_type == IWL_UCODE_INIT) {
-		logsize = trans->shrd->fw->init_evtlog_size;
-		if (!base)
-			base = trans->shrd->fw->init_evtlog_ptr;
-	} else {
-		logsize = trans->shrd->fw->inst_evtlog_size;
-		if (!base)
-			base = trans->shrd->fw->inst_evtlog_ptr;
-	}
-
-	if (!iwlagn_hw_valid_rtc_data_addr(base)) {
-		IWL_ERR(trans,
-			"Invalid event log pointer 0x%08X for %s uCode\n",
-			base,
-			(trans->shrd->ucode_type == IWL_UCODE_INIT)
-					? "Init" : "RT");
-		return -EINVAL;
-	}
-
-	/* event log header */
-	capacity = iwl_read_targ_mem(trans, base);
-	mode = iwl_read_targ_mem(trans, base + (1 * sizeof(u32)));
-	num_wraps = iwl_read_targ_mem(trans, base + (2 * sizeof(u32)));
-	next_entry = iwl_read_targ_mem(trans, base + (3 * sizeof(u32)));
-
-	if (capacity > logsize) {
-		IWL_ERR(trans, "Log capacity %d is bogus, limit to %d "
-			"entries\n", capacity, logsize);
-		capacity = logsize;
-	}
-
-	if (next_entry > logsize) {
-		IWL_ERR(trans, "Log write index %d is bogus, limit to %d\n",
-			next_entry, logsize);
-		next_entry = logsize;
-	}
-
-	size = num_wraps ? capacity : next_entry;
-
-	/* bail out if nothing in log */
-	if (size == 0) {
-		IWL_ERR(trans, "Start IWL Event Log Dump: nothing in log\n");
-		return pos;
-	}
-
-#ifdef CONFIG_IWLWIFI_DEBUG
-	if (!(iwl_have_debug_level(IWL_DL_FW_ERRORS)) && !full_log)
-		size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES)
-			? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size;
-#else
-	size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES)
-		? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size;
-#endif
-	IWL_ERR(trans, "Start IWL Event Log Dump: display last %u entries\n",
-		size);
-
-#ifdef CONFIG_IWLWIFI_DEBUG
-	if (display) {
-		if (full_log)
-			bufsz = capacity * 48;
-		else
-			bufsz = size * 48;
-		*buf = kmalloc(bufsz, GFP_KERNEL);
-		if (!*buf)
-			return -ENOMEM;
-	}
-	if (iwl_have_debug_level(IWL_DL_FW_ERRORS) || full_log) {
-		/*
-		 * if uCode has wrapped back to top of log,
-		 * start at the oldest entry,
-		 * i.e the next one that uCode would fill.
-		 */
-		if (num_wraps)
-			pos = iwl_print_event_log(trans, next_entry,
-						capacity - next_entry, mode,
-						pos, buf, bufsz);
-		/* (then/else) start at top of log */
-		pos = iwl_print_event_log(trans, 0,
-					  next_entry, mode, pos, buf, bufsz);
-	} else
-		pos = iwl_print_last_event_logs(trans, capacity, num_wraps,
-						next_entry, size, mode,
-						pos, buf, bufsz);
-#else
-	pos = iwl_print_last_event_logs(trans, capacity, num_wraps,
-					next_entry, size, mode,
-					pos, buf, bufsz);
-#endif
-	return pos;
-}
-
 /* tasklet for iwlagn interrupt */
 void iwl_irq_tasklet(struct iwl_trans *trans)
 {
@@ -963,7 +601,7 @@ void iwl_irq_tasklet(struct iwl_trans *trans)
 	if (iwl_have_debug_level(IWL_DL_ISR)) {
 		/* just for debug */
 		inta_mask = iwl_read32(trans, CSR_INT_MASK);
-		IWL_DEBUG_ISR(trans, "inta 0x%08x, enabled 0x%08x\n ",
+		IWL_DEBUG_ISR(trans, "inta 0x%08x, enabled 0x%08x\n",
 				inta, inta_mask);
 	}
 #endif

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

@@ -41,43 +41,6 @@
 #define IWL_TX_CRC_SIZE 4
 #define IWL_TX_DELIMITER_SIZE 4
 
-/*
- * mac80211 queues, ACs, hardware queues, FIFOs.
- *
- * Cf. http://wireless.kernel.org/en/developers/Documentation/mac80211/queues
- *
- * Mac80211 uses the following numbers, which we get as from it
- * by way of skb_get_queue_mapping(skb):
- *
- *	VO	0
- *	VI	1
- *	BE	2
- *	BK	3
- *
- *
- * Regular (not A-MPDU) frames are put into hardware queues corresponding
- * to the FIFOs, see comments in iwl-prph.h. Aggregated frames get their
- * own queue per aggregation session (RA/TID combination), such queues are
- * set up to map into FIFOs too, for which we need an AC->FIFO mapping. In
- * order to map frames to the right queue, we also need an AC->hw queue
- * mapping. This is implemented here.
- *
- * Due to the way hw queues are set up (by the hw specific code), the AC->hw
- * queue mapping is the identity mapping.
- */
-
-static const u8 tid_to_ac[] = {
-	IEEE80211_AC_BE,
-	IEEE80211_AC_BK,
-	IEEE80211_AC_BK,
-	IEEE80211_AC_BE,
-	IEEE80211_AC_VI,
-	IEEE80211_AC_VI,
-	IEEE80211_AC_VO,
-	IEEE80211_AC_VO
-};
-
-
 /**
  * iwl_trans_txq_update_byte_cnt_tbl - Set up entry in Tx byte-count array
  */
@@ -141,8 +104,10 @@ void iwl_txq_update_write_ptr(struct iwl_trans *trans, struct iwl_tx_queue *txq)
 		iwl_write32(trans, HBUS_TARG_WRPTR,
 			    txq->q.write_ptr | (txq_id << 8));
 	} else {
+		struct iwl_trans_pcie *trans_pcie =
+			IWL_TRANS_GET_PCIE_TRANS(trans);
 		/* if we're trying to save power */
-		if (test_bit(STATUS_POWER_PMI, &trans->shrd->status)) {
+		if (test_bit(STATUS_POWER_PMI, &trans_pcie->status)) {
 			/* wake up nic if it's powered down ...
 			 * uCode will wake up, and interrupt us again, so next
 			 * time we'll skip this part. */
@@ -448,20 +413,17 @@ static void iwlagn_tx_queue_stop_scheduler(struct iwl_trans *trans, u16 txq_id)
 void iwl_trans_set_wr_ptrs(struct iwl_trans *trans,
 				int txq_id, u32 index)
 {
-	IWL_DEBUG_TX_QUEUES(trans, "Q %d  WrPtr: %d", txq_id, index & 0xff);
+	IWL_DEBUG_TX_QUEUES(trans, "Q %d  WrPtr: %d\n", txq_id, index & 0xff);
 	iwl_write_direct32(trans, HBUS_TARG_WRPTR,
 			(index & 0xff) | (txq_id << 8));
 	iwl_write_prph(trans, SCD_QUEUE_RDPTR(txq_id), index);
 }
 
 void iwl_trans_tx_queue_set_status(struct iwl_trans *trans,
-					struct iwl_tx_queue *txq,
-					int tx_fifo_id, int scd_retry)
+				   struct iwl_tx_queue *txq,
+				   int tx_fifo_id, bool active)
 {
-	struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
 	int txq_id = txq->q.id;
-	int active =
-		test_bit(txq_id, &trans_pcie->txq_ctx_active_msk) ? 1 : 0;
 
 	iwl_write_prph(trans, SCD_QUEUE_STATUS_BITS(txq_id),
 			(active << SCD_QUEUE_STTS_REG_POS_ACTIVE) |
@@ -469,77 +431,22 @@ void iwl_trans_tx_queue_set_status(struct iwl_trans *trans,
 			(1 << SCD_QUEUE_STTS_REG_POS_WSL) |
 			SCD_QUEUE_STTS_REG_MSK);
 
-	txq->sched_retry = scd_retry;
-
 	if (active)
-		IWL_DEBUG_TX_QUEUES(trans, "Activate %s Queue %d on FIFO %d\n",
-			scd_retry ? "BA" : "AC/CMD", txq_id, tx_fifo_id);
+		IWL_DEBUG_TX_QUEUES(trans, "Activate queue %d on FIFO %d\n",
+				    txq_id, tx_fifo_id);
 	else
-		IWL_DEBUG_TX_QUEUES(trans, "Deactivate %s Queue %d\n",
-			scd_retry ? "BA" : "AC/CMD", txq_id);
-}
-
-static inline int get_ac_from_tid(u16 tid)
-{
-	if (likely(tid < ARRAY_SIZE(tid_to_ac)))
-		return tid_to_ac[tid];
-
-	/* no support for TIDs 8-15 yet */
-	return -EINVAL;
+		IWL_DEBUG_TX_QUEUES(trans, "Deactivate queue %d\n", txq_id);
 }
 
-static inline int get_fifo_from_tid(struct iwl_trans_pcie *trans_pcie,
-				    u8 ctx, u16 tid)
+void iwl_trans_pcie_tx_agg_setup(struct iwl_trans *trans, int txq_id, int fifo,
+				 int sta_id, int tid, int frame_limit, u16 ssn)
 {
-	const u8 *ac_to_fifo = trans_pcie->ac_to_fifo[ctx];
-	if (likely(tid < ARRAY_SIZE(tid_to_ac)))
-		return ac_to_fifo[tid_to_ac[tid]];
-
-	/* no support for TIDs 8-15 yet */
-	return -EINVAL;
-}
-
-static inline bool is_agg_txqid_valid(struct iwl_trans *trans, int txq_id)
-{
-	if (txq_id < IWLAGN_FIRST_AMPDU_QUEUE)
-		return false;
-	return txq_id < (IWLAGN_FIRST_AMPDU_QUEUE +
-		hw_params(trans).num_ampdu_queues);
-}
-
-void iwl_trans_pcie_tx_agg_setup(struct iwl_trans *trans,
-				 enum iwl_rxon_context_id ctx, int sta_id,
-				 int tid, int frame_limit, u16 ssn)
-{
-	int tx_fifo, txq_id;
-	u16 ra_tid;
+	struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
 	unsigned long flags;
+	u16 ra_tid = BUILD_RAxTID(sta_id, tid);
 
-	struct iwl_trans_pcie *trans_pcie =
-		IWL_TRANS_GET_PCIE_TRANS(trans);
-
-	if (WARN_ON(sta_id == IWL_INVALID_STATION))
-		return;
-	if (WARN_ON(tid >= IWL_MAX_TID_COUNT))
-		return;
-
-	tx_fifo = get_fifo_from_tid(trans_pcie, ctx, tid);
-	if (WARN_ON(tx_fifo < 0)) {
-		IWL_ERR(trans, "txq_agg_setup, bad fifo: %d\n", tx_fifo);
-		return;
-	}
-
-	txq_id = trans_pcie->agg_txq[sta_id][tid];
-	if (WARN_ON_ONCE(!is_agg_txqid_valid(trans, txq_id))) {
-		IWL_ERR(trans,
-			"queue number out of range: %d, must be %d to %d\n",
-			txq_id, IWLAGN_FIRST_AMPDU_QUEUE,
-			IWLAGN_FIRST_AMPDU_QUEUE +
-			hw_params(trans).num_ampdu_queues - 1);
-		return;
-	}
-
-	ra_tid = BUILD_RAxTID(sta_id, tid);
+	if (test_and_set_bit(txq_id, trans_pcie->queue_used))
+		WARN_ONCE(1, "queue %d already used - expect issues", txq_id);
 
 	spin_lock_irqsave(&trans_pcie->irq_lock, flags);
 
@@ -550,10 +457,10 @@ void iwl_trans_pcie_tx_agg_setup(struct iwl_trans *trans,
 	iwlagn_tx_queue_set_q2ratid(trans, ra_tid, txq_id);
 
 	/* Set this queue as a chain-building queue */
-	iwl_set_bits_prph(trans, SCD_QUEUECHAIN_SEL, (1<<txq_id));
+	iwl_set_bits_prph(trans, SCD_QUEUECHAIN_SEL, BIT(txq_id));
 
 	/* enable aggregations for the queue */
-	iwl_set_bits_prph(trans, SCD_AGGR_SEL, (1<<txq_id));
+	iwl_set_bits_prph(trans, SCD_AGGR_SEL, BIT(txq_id));
 
 	/* Place first TFD at index corresponding to start sequence number.
 	 * Assumes that ssn_idx is valid (!= 0xFFF) */
@@ -563,92 +470,42 @@ void iwl_trans_pcie_tx_agg_setup(struct iwl_trans *trans,
 
 	/* Set up Tx window size and frame limit for this queue */
 	iwl_write_targ_mem(trans, trans_pcie->scd_base_addr +
-			SCD_CONTEXT_QUEUE_OFFSET(txq_id) +
-			sizeof(u32),
-			((frame_limit <<
-			SCD_QUEUE_CTX_REG2_WIN_SIZE_POS) &
-			SCD_QUEUE_CTX_REG2_WIN_SIZE_MSK) |
-			((frame_limit <<
-			SCD_QUEUE_CTX_REG2_FRAME_LIMIT_POS) &
-			SCD_QUEUE_CTX_REG2_FRAME_LIMIT_MSK));
+			SCD_CONTEXT_QUEUE_OFFSET(txq_id) + sizeof(u32),
+			((frame_limit << SCD_QUEUE_CTX_REG2_WIN_SIZE_POS) &
+				SCD_QUEUE_CTX_REG2_WIN_SIZE_MSK) |
+			((frame_limit << SCD_QUEUE_CTX_REG2_FRAME_LIMIT_POS) &
+				SCD_QUEUE_CTX_REG2_FRAME_LIMIT_MSK));
 
 	iwl_set_bits_prph(trans, SCD_INTERRUPT_MASK, (1 << txq_id));
 
 	/* Set up Status area in SRAM, map to Tx DMA/FIFO, activate the queue */
 	iwl_trans_tx_queue_set_status(trans, &trans_pcie->txq[txq_id],
-					tx_fifo, 1);
-
-	trans_pcie->txq[txq_id].sta_id = sta_id;
-	trans_pcie->txq[txq_id].tid = tid;
+				      fifo, true);
 
 	spin_unlock_irqrestore(&trans_pcie->irq_lock, flags);
 }
 
-/*
- * Find first available (lowest unused) Tx Queue, mark it "active".
- * Called only when finding queue for aggregation.
- * Should never return anything < 7, because they should already
- * be in use as EDCA AC (0-3), Command (4), reserved (5, 6)
- */
-static int iwlagn_txq_ctx_activate_free(struct iwl_trans *trans)
-{
-	struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
-	int txq_id;
-
-	for (txq_id = 0; txq_id < cfg(trans)->base_params->num_of_queues;
-	     txq_id++)
-		if (!test_and_set_bit(txq_id,
-					&trans_pcie->txq_ctx_active_msk))
-			return txq_id;
-	return -1;
-}
-
-int iwl_trans_pcie_tx_agg_alloc(struct iwl_trans *trans,
-				int sta_id, int tid)
-{
-	struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
-	int txq_id;
-
-	txq_id = iwlagn_txq_ctx_activate_free(trans);
-	if (txq_id == -1) {
-		IWL_ERR(trans, "No free aggregation queue available\n");
-		return -ENXIO;
-	}
-
-	trans_pcie->agg_txq[sta_id][tid] = txq_id;
-	iwl_set_swq_id(&trans_pcie->txq[txq_id], get_ac_from_tid(tid), txq_id);
-
-	return 0;
-}
-
-int iwl_trans_pcie_tx_agg_disable(struct iwl_trans *trans, int sta_id, int tid)
+void iwl_trans_pcie_tx_agg_disable(struct iwl_trans *trans, int txq_id)
 {
 	struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
-	u8 txq_id = trans_pcie->agg_txq[sta_id][tid];
 
-	if (WARN_ON_ONCE(!is_agg_txqid_valid(trans, txq_id))) {
-		IWL_ERR(trans,
-			"queue number out of range: %d, must be %d to %d\n",
-			txq_id, IWLAGN_FIRST_AMPDU_QUEUE,
-			IWLAGN_FIRST_AMPDU_QUEUE +
-			hw_params(trans).num_ampdu_queues - 1);
-		return -EINVAL;
+	if (!test_and_clear_bit(txq_id, trans_pcie->queue_used)) {
+		WARN_ONCE(1, "queue %d not used", txq_id);
+		return;
 	}
 
 	iwlagn_tx_queue_stop_scheduler(trans, txq_id);
 
-	iwl_clear_bits_prph(trans, SCD_AGGR_SEL, (1 << txq_id));
+	iwl_clear_bits_prph(trans, SCD_AGGR_SEL, BIT(txq_id));
 
-	trans_pcie->agg_txq[sta_id][tid] = 0;
 	trans_pcie->txq[txq_id].q.read_ptr = 0;
 	trans_pcie->txq[txq_id].q.write_ptr = 0;
-	/* supposes that ssn_idx is valid (!= 0xFFF) */
 	iwl_trans_set_wr_ptrs(trans, txq_id, 0);
 
-	iwl_clear_bits_prph(trans, SCD_INTERRUPT_MASK, (1 << txq_id));
-	iwl_txq_ctx_deactivate(trans_pcie, txq_id);
-	iwl_trans_tx_queue_set_status(trans, &trans_pcie->txq[txq_id], 0, 0);
-	return 0;
+	iwl_clear_bits_prph(trans, SCD_INTERRUPT_MASK, BIT(txq_id));
+
+	iwl_trans_tx_queue_set_status(trans, &trans_pcie->txq[txq_id],
+				      0, false);
 }
 
 /*************** HOST COMMAND QUEUE FUNCTIONS   *****/
@@ -681,11 +538,6 @@ static int iwl_enqueue_hcmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd)
 	int trace_idx;
 #endif
 
-	if (test_bit(STATUS_FW_ERROR, &trans->shrd->status)) {
-		IWL_WARN(trans, "fw recovery, no hcmd send\n");
-		return -EIO;
-	}
-
 	copy_size = sizeof(out_cmd->hdr);
 	cmd_size = sizeof(out_cmd->hdr);
 
@@ -966,12 +818,6 @@ static int iwl_send_cmd_sync(struct iwl_trans *trans, struct iwl_host_cmd *cmd)
 	IWL_DEBUG_INFO(trans, "Attempting to send sync command %s\n",
 			get_cmd_string(cmd->id));
 
-	if (test_bit(STATUS_FW_ERROR, &trans->shrd->status)) {
-		IWL_ERR(trans, "Command %s failed: FW Error\n",
-			       get_cmd_string(cmd->id));
-		return -EIO;
-	}
-
 	if (WARN_ON(test_and_set_bit(STATUS_HCMD_ACTIVE,
 				     &trans->shrd->status))) {
 		IWL_ERR(trans, "Command %s: a command is already active!\n",

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

@@ -180,7 +180,6 @@ static void iwl_trans_rx_hw_init(struct iwl_trans *trans,
 			   FH_RCSR_RX_CONFIG_CHNL_EN_ENABLE_VAL |
 			   FH_RCSR_CHNL0_RX_IGNORE_RXF_EMPTY |
 			   FH_RCSR_CHNL0_RX_CONFIG_IRQ_DEST_INT_HOST_VAL |
-			   FH_RCSR_CHNL0_RX_CONFIG_SINGLE_FRAME_MSK |
 			   rb_size|
 			   (rb_timeout << FH_RCSR_RX_CONFIG_REG_IRQ_RBTH_POS)|
 			   (rfdnlog << FH_RCSR_RX_CONFIG_RBDCB_SIZE_POS));
@@ -370,21 +369,13 @@ error:
 }
 
 static int iwl_trans_txq_init(struct iwl_trans *trans, struct iwl_tx_queue *txq,
-		      int slots_num, u32 txq_id)
+			      int slots_num, u32 txq_id)
 {
 	int ret;
 
 	txq->need_update = 0;
 	memset(txq->meta, 0, sizeof(txq->meta[0]) * slots_num);
 
-	/*
-	 * For the default queues 0-3, set up the swq_id
-	 * already -- all others need to get one later
-	 * (if they need one at all).
-	 */
-	if (txq_id < 4)
-		iwl_set_swq_id(txq, txq_id, txq_id);
-
 	/* TFD_QUEUE_SIZE_MAX must be power-of-two size, otherwise
 	 * iwl_queue_inc_wrap and iwl_queue_dec_wrap are broken. */
 	BUILD_BUG_ON(TFD_QUEUE_SIZE_MAX & (TFD_QUEUE_SIZE_MAX - 1));
@@ -895,59 +886,6 @@ static int iwl_prepare_card_hw(struct iwl_trans *trans)
 	return ret;
 }
 
-#define IWL_AC_UNSET -1
-
-struct queue_to_fifo_ac {
-	s8 fifo, ac;
-};
-
-static const struct queue_to_fifo_ac iwlagn_default_queue_to_tx_fifo[] = {
-	{ IWL_TX_FIFO_VO, IEEE80211_AC_VO, },
-	{ IWL_TX_FIFO_VI, IEEE80211_AC_VI, },
-	{ IWL_TX_FIFO_BE, IEEE80211_AC_BE, },
-	{ IWL_TX_FIFO_BK, IEEE80211_AC_BK, },
-	{ IWLAGN_CMD_FIFO_NUM, IWL_AC_UNSET, },
-	{ IWL_TX_FIFO_UNUSED, IWL_AC_UNSET, },
-	{ IWL_TX_FIFO_UNUSED, IWL_AC_UNSET, },
-	{ IWL_TX_FIFO_UNUSED, IWL_AC_UNSET, },
-	{ IWL_TX_FIFO_UNUSED, IWL_AC_UNSET, },
-	{ IWL_TX_FIFO_UNUSED, IWL_AC_UNSET, },
-	{ IWL_TX_FIFO_UNUSED, IWL_AC_UNSET, },
-};
-
-static const struct queue_to_fifo_ac iwlagn_ipan_queue_to_tx_fifo[] = {
-	{ IWL_TX_FIFO_VO, IEEE80211_AC_VO, },
-	{ IWL_TX_FIFO_VI, IEEE80211_AC_VI, },
-	{ IWL_TX_FIFO_BE, IEEE80211_AC_BE, },
-	{ IWL_TX_FIFO_BK, IEEE80211_AC_BK, },
-	{ IWL_TX_FIFO_BK_IPAN, IEEE80211_AC_BK, },
-	{ IWL_TX_FIFO_BE_IPAN, IEEE80211_AC_BE, },
-	{ IWL_TX_FIFO_VI_IPAN, IEEE80211_AC_VI, },
-	{ IWL_TX_FIFO_VO_IPAN, IEEE80211_AC_VO, },
-	{ IWL_TX_FIFO_BE_IPAN, 2, },
-	{ IWLAGN_CMD_FIFO_NUM, IWL_AC_UNSET, },
-	{ IWL_TX_FIFO_AUX, IWL_AC_UNSET, },
-};
-
-static const u8 iwlagn_bss_ac_to_fifo[] = {
-	IWL_TX_FIFO_VO,
-	IWL_TX_FIFO_VI,
-	IWL_TX_FIFO_BE,
-	IWL_TX_FIFO_BK,
-};
-static const u8 iwlagn_bss_ac_to_queue[] = {
-	0, 1, 2, 3,
-};
-static const u8 iwlagn_pan_ac_to_fifo[] = {
-	IWL_TX_FIFO_VO_IPAN,
-	IWL_TX_FIFO_VI_IPAN,
-	IWL_TX_FIFO_BE_IPAN,
-	IWL_TX_FIFO_BK_IPAN,
-};
-static const u8 iwlagn_pan_ac_to_queue[] = {
-	7, 6, 5, 4,
-};
-
 /*
  * ucode
  */
@@ -1028,19 +966,8 @@ static int iwl_trans_pcie_start_fw(struct iwl_trans *trans,
 				   const struct fw_img *fw)
 {
 	int ret;
-	struct iwl_trans_pcie *trans_pcie =
-		IWL_TRANS_GET_PCIE_TRANS(trans);
 	bool hw_rfkill;
 
-	trans_pcie->ac_to_queue[IWL_RXON_CTX_BSS] = iwlagn_bss_ac_to_queue;
-	trans_pcie->ac_to_queue[IWL_RXON_CTX_PAN] = iwlagn_pan_ac_to_queue;
-
-	trans_pcie->ac_to_fifo[IWL_RXON_CTX_BSS] = iwlagn_bss_ac_to_fifo;
-	trans_pcie->ac_to_fifo[IWL_RXON_CTX_PAN] = iwlagn_pan_ac_to_fifo;
-
-	trans_pcie->mcast_queue[IWL_RXON_CTX_BSS] = 0;
-	trans_pcie->mcast_queue[IWL_RXON_CTX_PAN] = IWL_IPAN_MCAST_QUEUE;
-
 	/* This may fail if AMT took ownership of the device */
 	if (iwl_prepare_card_hw(trans)) {
 		IWL_WARN(trans, "Exit HW not ready\n");
@@ -1098,9 +1025,7 @@ static void iwl_trans_txq_set_sched(struct iwl_trans *trans, u32 mask)
 
 static void iwl_tx_start(struct iwl_trans *trans)
 {
-	const struct queue_to_fifo_ac *queue_to_fifo;
-	struct iwl_trans_pcie *trans_pcie =
-		IWL_TRANS_GET_PCIE_TRANS(trans);
+	struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
 	u32 a;
 	unsigned long flags;
 	int i, chan;
@@ -1166,41 +1091,19 @@ static void iwl_tx_start(struct iwl_trans *trans)
 	/* Activate all Tx DMA/FIFO channels */
 	iwl_trans_txq_set_sched(trans, IWL_MASK(0, 7));
 
-	/* map queues to FIFOs */
-	if (trans->shrd->valid_contexts != BIT(IWL_RXON_CTX_BSS))
-		queue_to_fifo = iwlagn_ipan_queue_to_tx_fifo;
-	else
-		queue_to_fifo = iwlagn_default_queue_to_tx_fifo;
-
 	iwl_trans_set_wr_ptrs(trans, trans_pcie->cmd_queue, 0);
 
-	/* make sure all queue are not stopped */
-	memset(&trans_pcie->queue_stopped[0], 0,
-		sizeof(trans_pcie->queue_stopped));
-	for (i = 0; i < 4; i++)
-		atomic_set(&trans_pcie->queue_stop_count[i], 0);
+	/* make sure all queue are not stopped/used */
+	memset(trans_pcie->queue_stopped, 0, sizeof(trans_pcie->queue_stopped));
+	memset(trans_pcie->queue_used, 0, sizeof(trans_pcie->queue_used));
 
-	/* reset to 0 to enable all the queue first */
-	trans_pcie->txq_ctx_active_msk = 0;
+	for (i = 0; i < trans_pcie->n_q_to_fifo; i++) {
+		int fifo = trans_pcie->setup_q_to_fifo[i];
 
-	BUILD_BUG_ON(ARRAY_SIZE(iwlagn_default_queue_to_tx_fifo) <
-						IWLAGN_FIRST_AMPDU_QUEUE);
-	BUILD_BUG_ON(ARRAY_SIZE(iwlagn_ipan_queue_to_tx_fifo) <
-						IWLAGN_FIRST_AMPDU_QUEUE);
+		set_bit(i, trans_pcie->queue_used);
 
-	for (i = 0; i < IWLAGN_FIRST_AMPDU_QUEUE; i++) {
-		int fifo = queue_to_fifo[i].fifo;
-		int ac = queue_to_fifo[i].ac;
-
-		iwl_txq_ctx_activate(trans_pcie, i);
-
-		if (fifo == IWL_TX_FIFO_UNUSED)
-			continue;
-
-		if (ac != IWL_AC_UNSET)
-			iwl_set_swq_id(&trans_pcie->txq[i], ac, i);
 		iwl_trans_tx_queue_set_status(trans, &trans_pcie->txq[i],
-					      fifo, 0);
+					      fifo, true);
 	}
 
 	spin_unlock_irqrestore(&trans_pcie->irq_lock, flags);
@@ -1325,70 +1228,32 @@ static void iwl_trans_pcie_wowlan_suspend(struct iwl_trans *trans)
 }
 
 static int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb,
-		struct iwl_device_cmd *dev_cmd, enum iwl_rxon_context_id ctx,
-		u8 sta_id, u8 tid)
+			     struct iwl_device_cmd *dev_cmd, int txq_id)
 {
 	struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
-	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 	struct iwl_tx_cmd *tx_cmd = (struct iwl_tx_cmd *) dev_cmd->payload;
 	struct iwl_cmd_meta *out_meta;
 	struct iwl_tx_queue *txq;
 	struct iwl_queue *q;
-
 	dma_addr_t phys_addr = 0;
 	dma_addr_t txcmd_phys;
 	dma_addr_t scratch_phys;
 	u16 len, firstlen, secondlen;
 	u8 wait_write_ptr = 0;
-	u8 txq_id;
-	bool is_agg = false;
 	__le16 fc = hdr->frame_control;
 	u8 hdr_len = ieee80211_hdrlen(fc);
 	u16 __maybe_unused wifi_seq;
 
-	/*
-	 * Send this frame after DTIM -- there's a special queue
-	 * reserved for this for contexts that support AP mode.
-	 */
-	if (info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM) {
-		txq_id = trans_pcie->mcast_queue[ctx];
-
-		/*
-		 * The microcode will clear the more data
-		 * bit in the last frame it transmits.
-		 */
-		hdr->frame_control |=
-			cpu_to_le16(IEEE80211_FCTL_MOREDATA);
-	} else if (info->flags & IEEE80211_TX_CTL_TX_OFFCHAN)
-		txq_id = IWL_AUX_QUEUE;
-	else
-		txq_id =
-		    trans_pcie->ac_to_queue[ctx][skb_get_queue_mapping(skb)];
-
-	/* aggregation is on for this <sta,tid> */
-	if (info->flags & IEEE80211_TX_CTL_AMPDU) {
-		WARN_ON(tid >= IWL_MAX_TID_COUNT);
-		txq_id = trans_pcie->agg_txq[sta_id][tid];
-		is_agg = true;
-	}
-
 	txq = &trans_pcie->txq[txq_id];
 	q = &txq->q;
 
-	spin_lock(&txq->lock);
+	if (unlikely(!test_bit(txq_id, trans_pcie->queue_used))) {
+		WARN_ON_ONCE(1);
+		return -EINVAL;
+	}
 
-	/* In AGG mode, the index in the ring must correspond to the WiFi
-	 * sequence number. This is a HW requirements to help the SCD to parse
-	 * the BA.
-	 * Check here that the packets are in the right place on the ring.
-	 */
-#ifdef CONFIG_IWLWIFI_DEBUG
-	wifi_seq = SEQ_TO_SN(le16_to_cpu(hdr->seq_ctrl));
-	WARN_ONCE(is_agg && ((wifi_seq & 0xff) != q->write_ptr),
-		  "Q: %d WiFi Seq %d tfdNum %d",
-		  txq_id, wifi_seq, q->write_ptr);
-#endif
+	spin_lock(&txq->lock);
 
 	/* Set up driver data for this TFD */
 	txq->skbs[q->write_ptr] = skb;
@@ -1565,8 +1430,8 @@ static void iwl_trans_pcie_stop_hw(struct iwl_trans *trans)
 	iwl_enable_rfkill_int(trans);
 }
 
-static int iwl_trans_pcie_reclaim(struct iwl_trans *trans, int sta_id, int tid,
-		      int txq_id, int ssn, struct sk_buff_head *skbs)
+static void iwl_trans_pcie_reclaim(struct iwl_trans *trans, int txq_id, int ssn,
+				   struct sk_buff_head *skbs)
 {
 	struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
 	struct iwl_tx_queue *txq = &trans_pcie->txq[txq_id];
@@ -1578,33 +1443,15 @@ static int iwl_trans_pcie_reclaim(struct iwl_trans *trans, int sta_id, int tid,
 
 	txq->time_stamp = jiffies;
 
-	if (unlikely(txq_id >= IWLAGN_FIRST_AMPDU_QUEUE &&
-		     tid != IWL_TID_NON_QOS &&
-		     txq_id != trans_pcie->agg_txq[sta_id][tid])) {
-		/*
-		 * FIXME: this is a uCode bug which need to be addressed,
-		 * log the information and return for now.
-		 * Since it is can possibly happen very often and in order
-		 * not to fill the syslog, don't use IWL_ERR or IWL_WARN
-		 */
-		IWL_DEBUG_TX_QUEUES(trans, "Bad queue mapping txq_id %d, "
-			"agg_txq[sta_id[tid] %d", txq_id,
-			trans_pcie->agg_txq[sta_id][tid]);
-		spin_unlock(&txq->lock);
-		return 1;
-	}
-
 	if (txq->q.read_ptr != tfd_num) {
-		IWL_DEBUG_TX_REPLY(trans, "[Q %d | AC %d] %d -> %d (%d)\n",
-				txq_id, iwl_get_queue_ac(txq), txq->q.read_ptr,
-				tfd_num, ssn);
+		IWL_DEBUG_TX_REPLY(trans, "[Q %d] %d -> %d (%d)\n",
+				   txq_id, txq->q.read_ptr, tfd_num, ssn);
 		freed = iwl_tx_queue_reclaim(trans, txq_id, tfd_num, skbs);
 		if (iwl_queue_space(&txq->q) > txq->q.low_mark)
 			iwl_wake_queue(trans, txq);
 	}
 
 	spin_unlock(&txq->lock);
-	return 0;
 }
 
 static void iwl_trans_pcie_write8(struct iwl_trans *trans, u32 ofs, u8 val)
@@ -1623,7 +1470,7 @@ static u32 iwl_trans_pcie_read32(struct iwl_trans *trans, u32 ofs)
 }
 
 static void iwl_trans_pcie_configure(struct iwl_trans *trans,
-			      const struct iwl_trans_config *trans_cfg)
+				     const struct iwl_trans_config *trans_cfg)
 {
 	struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
 
@@ -1635,6 +1482,17 @@ static void iwl_trans_pcie_configure(struct iwl_trans *trans,
 	if (trans_pcie->n_no_reclaim_cmds)
 		memcpy(trans_pcie->no_reclaim_cmds, trans_cfg->no_reclaim_cmds,
 		       trans_pcie->n_no_reclaim_cmds * sizeof(u8));
+
+	trans_pcie->n_q_to_fifo = trans_cfg->n_queue_to_fifo;
+
+	if (WARN_ON(trans_pcie->n_q_to_fifo > IWL_MAX_HW_QUEUES))
+		trans_pcie->n_q_to_fifo = IWL_MAX_HW_QUEUES;
+
+	/* at least the command queue must be mapped */
+	WARN_ON(!trans_pcie->n_q_to_fifo);
+
+	memcpy(trans_pcie->setup_q_to_fifo, trans_cfg->queue_to_fifo,
+	       trans_pcie->n_q_to_fifo * sizeof(u8));
 }
 
 static void iwl_trans_pcie_free(struct iwl_trans *trans)
@@ -1660,6 +1518,16 @@ static void iwl_trans_pcie_free(struct iwl_trans *trans)
 	kfree(trans);
 }
 
+static void iwl_trans_pcie_set_pmi(struct iwl_trans *trans, bool state)
+{
+	struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
+
+	if (state)
+		set_bit(STATUS_POWER_PMI, &trans_pcie->status);
+	else
+		clear_bit(STATUS_POWER_PMI, &trans_pcie->status);
+}
+
 #ifdef CONFIG_PM_SLEEP
 static int iwl_trans_pcie_suspend(struct iwl_trans *trans)
 {
@@ -1952,18 +1820,10 @@ static ssize_t iwl_dbgfs_tx_queue_read(struct file *file,
 		txq = &trans_pcie->txq[cnt];
 		q = &txq->q;
 		pos += scnprintf(buf + pos, bufsz - pos,
-				"hwq %.2d: read=%u write=%u stop=%d"
-				" swq_id=%#.2x (ac %d/hwq %d)\n",
+				"hwq %.2d: read=%u write=%u use=%d stop=%d\n",
 				cnt, q->read_ptr, q->write_ptr,
-				!!test_bit(cnt, trans_pcie->queue_stopped),
-				txq->swq_id, txq->swq_id & 3,
-				(txq->swq_id >> 2) & 0x1f);
-		if (cnt >= 4)
-			continue;
-		/* for the ACs, display the stop count too */
-		pos += scnprintf(buf + pos, bufsz - pos,
-			"        stop-count: %d\n",
-			atomic_read(&trans_pcie->queue_stop_count[cnt]));
+				!!test_bit(cnt, trans_pcie->queue_used),
+				!!test_bit(cnt, trans_pcie->queue_stopped));
 	}
 	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 	kfree(buf);
@@ -1997,44 +1857,6 @@ static ssize_t iwl_dbgfs_rx_queue_read(struct file *file,
 	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 }
 
-static ssize_t iwl_dbgfs_log_event_read(struct file *file,
-					 char __user *user_buf,
-					 size_t count, loff_t *ppos)
-{
-	struct iwl_trans *trans = file->private_data;
-	char *buf;
-	int pos = 0;
-	ssize_t ret = -ENOMEM;
-
-	ret = pos = iwl_dump_nic_event_log(trans, true, &buf, true);
-	if (buf) {
-		ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
-		kfree(buf);
-	}
-	return ret;
-}
-
-static ssize_t iwl_dbgfs_log_event_write(struct file *file,
-					const char __user *user_buf,
-					size_t count, loff_t *ppos)
-{
-	struct iwl_trans *trans = file->private_data;
-	u32 event_log_flag;
-	char buf[8];
-	int buf_size;
-
-	memset(buf, 0, sizeof(buf));
-	buf_size = min(count, sizeof(buf) -  1);
-	if (copy_from_user(buf, user_buf, buf_size))
-		return -EFAULT;
-	if (sscanf(buf, "%d", &event_log_flag) != 1)
-		return -EFAULT;
-	if (event_log_flag == 1)
-		iwl_dump_nic_event_log(trans, true, NULL, false);
-
-	return count;
-}
-
 static ssize_t iwl_dbgfs_interrupt_read(struct file *file,
 					char __user *user_buf,
 					size_t count, loff_t *ppos) {
@@ -2161,7 +1983,6 @@ static ssize_t iwl_dbgfs_fh_reg_read(struct file *file,
 	return ret;
 }
 
-DEBUGFS_READ_WRITE_FILE_OPS(log_event);
 DEBUGFS_READ_WRITE_FILE_OPS(interrupt);
 DEBUGFS_READ_FILE_OPS(fh_reg);
 DEBUGFS_READ_FILE_OPS(rx_queue);
@@ -2177,7 +1998,6 @@ static int iwl_trans_pcie_dbgfs_register(struct iwl_trans *trans,
 {
 	DEBUGFS_ADD_FILE(rx_queue, dir, S_IRUSR);
 	DEBUGFS_ADD_FILE(tx_queue, dir, S_IRUSR);
-	DEBUGFS_ADD_FILE(log_event, dir, S_IWUSR | S_IRUSR);
 	DEBUGFS_ADD_FILE(interrupt, dir, S_IWUSR | S_IRUSR);
 	DEBUGFS_ADD_FILE(csr, dir, S_IWUSR);
 	DEBUGFS_ADD_FILE(fh_reg, dir, S_IRUSR);
@@ -2205,7 +2025,6 @@ const struct iwl_trans_ops trans_ops_pcie = {
 	.reclaim = iwl_trans_pcie_reclaim,
 
 	.tx_agg_disable = iwl_trans_pcie_tx_agg_disable,
-	.tx_agg_alloc = iwl_trans_pcie_tx_agg_alloc,
 	.tx_agg_setup = iwl_trans_pcie_tx_agg_setup,
 
 	.free = iwl_trans_pcie_free,
@@ -2223,6 +2042,7 @@ const struct iwl_trans_ops trans_ops_pcie = {
 	.write32 = iwl_trans_pcie_write32,
 	.read32 = iwl_trans_pcie_read32,
 	.configure = iwl_trans_pcie_configure,
+	.set_pmi = iwl_trans_pcie_set_pmi,
 };
 
 struct iwl_trans *iwl_trans_pcie_alloc(struct iwl_shared *shrd,

drivers/net/wireless/iwlwifi/iwl-trans.h

@@ -162,6 +162,8 @@ struct iwl_cmd_header {
 
 
 #define FH_RSCSR_FRAME_SIZE_MSK		0x00003FFF	/* bits 0-13 */
+#define FH_RSCSR_FRAME_INVALID		0x55550000
+#define FH_RSCSR_FRAME_ALIGN		0x40
 
 struct iwl_rx_packet {
 	/*
@@ -260,27 +262,42 @@ static inline void iwl_free_resp(struct iwl_host_cmd *cmd)
 
 struct iwl_rx_cmd_buffer {
 	struct page *_page;
+	int _offset;
+	bool _page_stolen;
 };
 
 static inline void *rxb_addr(struct iwl_rx_cmd_buffer *r)
 {
-	return page_address(r->_page);
+	return (void *)((unsigned long)page_address(r->_page) + r->_offset);
+}
+
+static inline int rxb_offset(struct iwl_rx_cmd_buffer *r)
+{
+	return r->_offset;
 }
 
 static inline struct page *rxb_steal_page(struct iwl_rx_cmd_buffer *r)
 {
-	struct page *p = r->_page;
-	r->_page = NULL;
-	return p;
+	r->_page_stolen = true;
+	get_page(r->_page);
+	return r->_page;
 }
 
 #define MAX_NO_RECLAIM_CMDS	6
 
+/*
+ * Maximum number of HW queues the transport layer
+ * currently supports
+ */
+#define IWL_MAX_HW_QUEUES		32
+
 /**
  * struct iwl_trans_config - transport configuration
  *
  * @op_mode: pointer to the upper layer.
- *	Must be set before any other call.
+ * @queue_to_fifo: queue to FIFO mapping to set up by
+ *	default
+ * @n_queue_to_fifo: number of queues to set up
  * @cmd_queue: the index of the command queue.
  *	Must be set before start_fw.
  * @no_reclaim_cmds: Some devices erroneously don't set the
@@ -291,6 +308,9 @@ static inline struct page *rxb_steal_page(struct iwl_rx_cmd_buffer *r)
  */
 struct iwl_trans_config {
 	struct iwl_op_mode *op_mode;
+	const u8 *queue_to_fifo;
+	u8 n_queue_to_fifo;
+
 	u8 cmd_queue;
 	const u8 *no_reclaim_cmds;
 	int n_no_reclaim_cmds;
@@ -322,8 +342,6 @@ struct iwl_trans_config {
  *	Must be atomic
  * @reclaim: free packet until ssn. Returns a list of freed packets.
  *	Must be atomic
- * @tx_agg_alloc: allocate resources for a TX BA session
- *	Must be atomic
  * @tx_agg_setup: setup a tx queue for AMPDU - will be called once the HW is
  *	ready and a successful ADDBA response has been received.
  *	May sleep
@@ -346,6 +364,7 @@ struct iwl_trans_config {
  * @configure: configure parameters required by the transport layer from
  *	the op_mode. May be called several times before start_fw, can't be
  *	called after that.
+ * @set_pmi: set the power pmi state
  */
 struct iwl_trans_ops {
 
@@ -360,18 +379,13 @@ struct iwl_trans_ops {
 	int (*send_cmd)(struct iwl_trans *trans, struct iwl_host_cmd *cmd);
 
 	int (*tx)(struct iwl_trans *trans, struct sk_buff *skb,
-		struct iwl_device_cmd *dev_cmd, enum iwl_rxon_context_id ctx,
-		u8 sta_id, u8 tid);
-	int (*reclaim)(struct iwl_trans *trans, int sta_id, int tid,
-			int txq_id, int ssn, struct sk_buff_head *skbs);
-
-	int (*tx_agg_disable)(struct iwl_trans *trans,
-			      int sta_id, int tid);
-	int (*tx_agg_alloc)(struct iwl_trans *trans,
-			    int sta_id, int tid);
-	void (*tx_agg_setup)(struct iwl_trans *trans,
-			     enum iwl_rxon_context_id ctx, int sta_id, int tid,
-			     int frame_limit, u16 ssn);
+		  struct iwl_device_cmd *dev_cmd, int queue);
+	void (*reclaim)(struct iwl_trans *trans, int queue, int ssn,
+			struct sk_buff_head *skbs);
+
+	void (*tx_agg_setup)(struct iwl_trans *trans, int queue, int fifo,
+			     int sta_id, int tid, int frame_limit, u16 ssn);
+	void (*tx_agg_disable)(struct iwl_trans *trans, int queue);
 
 	void (*free)(struct iwl_trans *trans);
 
@@ -387,6 +401,7 @@ struct iwl_trans_ops {
 	u32 (*read32)(struct iwl_trans *trans, u32 ofs);
 	void (*configure)(struct iwl_trans *trans,
 			  const struct iwl_trans_config *trans_cfg);
+	void (*set_pmi)(struct iwl_trans *trans, bool state);
 };
 
 /**
@@ -507,55 +522,42 @@ static inline int iwl_trans_send_cmd(struct iwl_trans *trans,
 }
 
 static inline int iwl_trans_tx(struct iwl_trans *trans, struct sk_buff *skb,
-		struct iwl_device_cmd *dev_cmd, enum iwl_rxon_context_id ctx,
-		u8 sta_id, u8 tid)
-{
-	if (trans->state != IWL_TRANS_FW_ALIVE)
-		IWL_ERR(trans, "%s bad state = %d", __func__, trans->state);
-
-	return trans->ops->tx(trans, skb, dev_cmd, ctx, sta_id, tid);
-}
-
-static inline int iwl_trans_reclaim(struct iwl_trans *trans, int sta_id,
-				 int tid, int txq_id, int ssn,
-				 struct sk_buff_head *skbs)
+			       struct iwl_device_cmd *dev_cmd, int queue)
 {
 	WARN_ONCE(trans->state != IWL_TRANS_FW_ALIVE,
 		  "%s bad state = %d", __func__, trans->state);
 
-	return trans->ops->reclaim(trans, sta_id, tid, txq_id, ssn, skbs);
+	return trans->ops->tx(trans, skb, dev_cmd, queue);
 }
 
-static inline int iwl_trans_tx_agg_disable(struct iwl_trans *trans,
-					    int sta_id, int tid)
+static inline void iwl_trans_reclaim(struct iwl_trans *trans, int queue,
+				     int ssn, struct sk_buff_head *skbs)
 {
 	WARN_ONCE(trans->state != IWL_TRANS_FW_ALIVE,
 		  "%s bad state = %d", __func__, trans->state);
 
-	return trans->ops->tx_agg_disable(trans, sta_id, tid);
+	trans->ops->reclaim(trans, queue, ssn, skbs);
 }
 
-static inline int iwl_trans_tx_agg_alloc(struct iwl_trans *trans,
-					 int sta_id, int tid)
+static inline void iwl_trans_tx_agg_disable(struct iwl_trans *trans, int queue)
 {
 	WARN_ONCE(trans->state != IWL_TRANS_FW_ALIVE,
 		  "%s bad state = %d", __func__, trans->state);
 
-	return trans->ops->tx_agg_alloc(trans, sta_id, tid);
+	trans->ops->tx_agg_disable(trans, queue);
 }
 
-
-static inline void iwl_trans_tx_agg_setup(struct iwl_trans *trans,
-					   enum iwl_rxon_context_id ctx,
-					   int sta_id, int tid,
-					   int frame_limit, u16 ssn)
+static inline void iwl_trans_tx_agg_setup(struct iwl_trans *trans, int queue,
+					  int fifo, int sta_id, int tid,
+					  int frame_limit, u16 ssn)
 {
 	might_sleep();
 
 	WARN_ONCE(trans->state != IWL_TRANS_FW_ALIVE,
 		  "%s bad state = %d", __func__, trans->state);
 
-	trans->ops->tx_agg_setup(trans, ctx, sta_id, tid, frame_limit, ssn);
+	trans->ops->tx_agg_setup(trans, queue, fifo, sta_id, tid,
+				 frame_limit, ssn);
 }
 
 static inline void iwl_trans_free(struct iwl_trans *trans)
@@ -611,6 +613,11 @@ static inline u32 iwl_trans_read32(struct iwl_trans *trans, u32 ofs)
 	return trans->ops->read32(trans, ofs);
 }
 
+static inline void iwl_trans_set_pmi(struct iwl_trans *trans, bool state)
+{
+	trans->ops->set_pmi(trans, state);
+}
+
 /*****************************************************
 * Transport layers implementations + their allocation function
 ******************************************************/

drivers/net/wireless/iwlwifi/iwl-ucode.c

@@ -40,37 +40,6 @@
 #include "iwl-fh.h"
 #include "iwl-op-mode.h"
 
-static struct iwl_wimax_coex_event_entry cu_priorities[COEX_NUM_OF_EVENTS] = {
-	{COEX_CU_UNASSOC_IDLE_RP, COEX_CU_UNASSOC_IDLE_WP,
-	 0, COEX_UNASSOC_IDLE_FLAGS},
-	{COEX_CU_UNASSOC_MANUAL_SCAN_RP, COEX_CU_UNASSOC_MANUAL_SCAN_WP,
-	 0, COEX_UNASSOC_MANUAL_SCAN_FLAGS},
-	{COEX_CU_UNASSOC_AUTO_SCAN_RP, COEX_CU_UNASSOC_AUTO_SCAN_WP,
-	 0, COEX_UNASSOC_AUTO_SCAN_FLAGS},
-	{COEX_CU_CALIBRATION_RP, COEX_CU_CALIBRATION_WP,
-	 0, COEX_CALIBRATION_FLAGS},
-	{COEX_CU_PERIODIC_CALIBRATION_RP, COEX_CU_PERIODIC_CALIBRATION_WP,
-	 0, COEX_PERIODIC_CALIBRATION_FLAGS},
-	{COEX_CU_CONNECTION_ESTAB_RP, COEX_CU_CONNECTION_ESTAB_WP,
-	 0, COEX_CONNECTION_ESTAB_FLAGS},
-	{COEX_CU_ASSOCIATED_IDLE_RP, COEX_CU_ASSOCIATED_IDLE_WP,
-	 0, COEX_ASSOCIATED_IDLE_FLAGS},
-	{COEX_CU_ASSOC_MANUAL_SCAN_RP, COEX_CU_ASSOC_MANUAL_SCAN_WP,
-	 0, COEX_ASSOC_MANUAL_SCAN_FLAGS},
-	{COEX_CU_ASSOC_AUTO_SCAN_RP, COEX_CU_ASSOC_AUTO_SCAN_WP,
-	 0, COEX_ASSOC_AUTO_SCAN_FLAGS},
-	{COEX_CU_ASSOC_ACTIVE_LEVEL_RP, COEX_CU_ASSOC_ACTIVE_LEVEL_WP,
-	 0, COEX_ASSOC_ACTIVE_LEVEL_FLAGS},
-	{COEX_CU_RF_ON_RP, COEX_CU_RF_ON_WP, 0, COEX_CU_RF_ON_FLAGS},
-	{COEX_CU_RF_OFF_RP, COEX_CU_RF_OFF_WP, 0, COEX_RF_OFF_FLAGS},
-	{COEX_CU_STAND_ALONE_DEBUG_RP, COEX_CU_STAND_ALONE_DEBUG_WP,
-	 0, COEX_STAND_ALONE_DEBUG_FLAGS},
-	{COEX_CU_IPAN_ASSOC_LEVEL_RP, COEX_CU_IPAN_ASSOC_LEVEL_WP,
-	 0, COEX_IPAN_ASSOC_LEVEL_FLAGS},
-	{COEX_CU_RSRVD1_RP, COEX_CU_RSRVD1_WP, 0, COEX_RSRVD1_FLAGS},
-	{COEX_CU_RSRVD2_RP, COEX_CU_RSRVD2_WP, 0, COEX_RSRVD2_FLAGS}
-};
-
 /******************************************************************************
  *
  * uCode download functions
@@ -174,24 +143,6 @@ static int iwl_send_calib_cfg(struct iwl_priv *priv)
 	return iwl_dvm_send_cmd(priv, &cmd);
 }
 
-int iwlagn_rx_calib_result(struct iwl_priv *priv,
-			    struct iwl_rx_cmd_buffer *rxb,
-			    struct iwl_device_cmd *cmd)
-{
-	struct iwl_rx_packet *pkt = rxb_addr(rxb);
-	struct iwl_calib_hdr *hdr = (struct iwl_calib_hdr *)pkt->data;
-	int len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK;
-
-	/* reduce the size of the length field itself */
-	len -= 4;
-
-	if (iwl_calib_set(priv, hdr, len))
-		IWL_ERR(priv, "Failed to record calibration data %d\n",
-			hdr->op_code);
-
-	return 0;
-}
-
 int iwl_init_alive_start(struct iwl_priv *priv)
 {
 	int ret;
@@ -233,25 +184,9 @@ static int iwl_send_wimax_coex(struct iwl_priv *priv)
 {
 	struct iwl_wimax_coex_cmd coex_cmd;
 
-	if (cfg(priv)->base_params->support_wimax_coexist) {
-		/* UnMask wake up src at associated sleep */
-		coex_cmd.flags = COEX_FLAGS_ASSOC_WA_UNMASK_MSK;
+	/* coexistence is disabled */
+	memset(&coex_cmd, 0, sizeof(coex_cmd));
 
-		/* UnMask wake up src at unassociated sleep */
-		coex_cmd.flags |= COEX_FLAGS_UNASSOC_WA_UNMASK_MSK;
-		memcpy(coex_cmd.sta_prio, cu_priorities,
-			sizeof(struct iwl_wimax_coex_event_entry) *
-			 COEX_NUM_OF_EVENTS);
-
-		/* enabling the coexistence feature */
-		coex_cmd.flags |= COEX_FLAGS_COEX_ENABLE_MSK;
-
-		/* enabling the priorities tables */
-		coex_cmd.flags |= COEX_FLAGS_STA_TABLE_VALID_MSK;
-	} else {
-		/* coexistence is disabled */
-		memset(&coex_cmd, 0, sizeof(coex_cmd));
-	}
 	return iwl_dvm_send_cmd_pdu(priv,
 				COEX_PRIORITY_TABLE_CMD, CMD_SYNC,
 				sizeof(coex_cmd), &coex_cmd);
@@ -417,9 +352,8 @@ struct iwl_alive_data {
 	u8 subtype;
 };
 
-static void iwl_alive_fn(struct iwl_notif_wait_data *notif_wait,
-			    struct iwl_rx_packet *pkt,
-			    void *data)
+static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait,
+			 struct iwl_rx_packet *pkt, void *data)
 {
 	struct iwl_priv *priv =
 		container_of(notif_wait, struct iwl_priv, notif_wait);
@@ -433,13 +367,15 @@ static void iwl_alive_fn(struct iwl_notif_wait_data *notif_wait,
 		       palive->is_valid, palive->ver_type,
 		       palive->ver_subtype);
 
-	priv->shrd->device_pointers.error_event_table =
+	priv->device_pointers.error_event_table =
 		le32_to_cpu(palive->error_event_table_ptr);
-	priv->shrd->device_pointers.log_event_table =
+	priv->device_pointers.log_event_table =
 		le32_to_cpu(palive->log_event_table_ptr);
 
 	alive_data->subtype = palive->ver_subtype;
 	alive_data->valid = palive->is_valid == UCODE_VALID_OK;
+
+	return true;
 }
 
 #define UCODE_ALIVE_TIMEOUT	HZ
@@ -453,9 +389,10 @@ int iwl_load_ucode_wait_alive(struct iwl_priv *priv,
 	const struct fw_img *fw;
 	int ret;
 	enum iwl_ucode_type old_type;
+	static const u8 alive_cmd[] = { REPLY_ALIVE };
 
-	old_type = priv->shrd->ucode_type;
-	priv->shrd->ucode_type = ucode_type;
+	old_type = priv->cur_ucode;
+	priv->cur_ucode = ucode_type;
 	fw = iwl_get_ucode_image(priv, ucode_type);
 
 	priv->ucode_loaded = false;
@@ -463,12 +400,13 @@ int iwl_load_ucode_wait_alive(struct iwl_priv *priv,
 	if (!fw)
 		return -EINVAL;
 
-	iwl_init_notification_wait(&priv->notif_wait, &alive_wait, REPLY_ALIVE,
-				      iwl_alive_fn, &alive_data);
+	iwl_init_notification_wait(&priv->notif_wait, &alive_wait,
+				   alive_cmd, ARRAY_SIZE(alive_cmd),
+				   iwl_alive_fn, &alive_data);
 
 	ret = iwl_trans_start_fw(trans(priv), fw);
 	if (ret) {
-		priv->shrd->ucode_type = old_type;
+		priv->cur_ucode = old_type;
 		iwl_remove_notification(&priv->notif_wait, &alive_wait);
 		return ret;
 	}
@@ -480,13 +418,13 @@ int iwl_load_ucode_wait_alive(struct iwl_priv *priv,
 	ret = iwl_wait_notification(&priv->notif_wait, &alive_wait,
 					UCODE_ALIVE_TIMEOUT);
 	if (ret) {
-		priv->shrd->ucode_type = old_type;
+		priv->cur_ucode = old_type;
 		return ret;
 	}
 
 	if (!alive_data.valid) {
 		IWL_ERR(priv, "Loaded ucode is not valid!\n");
-		priv->shrd->ucode_type = old_type;
+		priv->cur_ucode = old_type;
 		return -EIO;
 	}
 
@@ -498,7 +436,7 @@ int iwl_load_ucode_wait_alive(struct iwl_priv *priv,
 	if (ucode_type != IWL_UCODE_WOWLAN) {
 		ret = iwl_verify_ucode(priv, ucode_type);
 		if (ret) {
-			priv->shrd->ucode_type = old_type;
+			priv->cur_ucode = old_type;
 			return ret;
 		}
 
@@ -510,7 +448,7 @@ int iwl_load_ucode_wait_alive(struct iwl_priv *priv,
 	if (ret) {
 		IWL_WARN(priv,
 			"Could not complete ALIVE transition: %d\n", ret);
-		priv->shrd->ucode_type = old_type;
+		priv->cur_ucode = old_type;
 		return ret;
 	}
 
@@ -519,9 +457,38 @@ int iwl_load_ucode_wait_alive(struct iwl_priv *priv,
 	return 0;
 }
 
+static bool iwlagn_wait_calib(struct iwl_notif_wait_data *notif_wait,
+			      struct iwl_rx_packet *pkt, void *data)
+{
+	struct iwl_priv *priv = data;
+	struct iwl_calib_hdr *hdr;
+	int len;
+
+	if (pkt->hdr.cmd != CALIBRATION_RES_NOTIFICATION) {
+		WARN_ON(pkt->hdr.cmd != CALIBRATION_COMPLETE_NOTIFICATION);
+		return true;
+	}
+
+	hdr = (struct iwl_calib_hdr *)pkt->data;
+	len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK;
+
+	/* reduce the size by the length field itself */
+	len -= sizeof(__le32);
+
+	if (iwl_calib_set(priv, hdr, len))
+		IWL_ERR(priv, "Failed to record calibration data %d\n",
+			hdr->op_code);
+
+	return false;
+}
+
 int iwl_run_init_ucode(struct iwl_priv *priv)
 {
 	struct iwl_notification_wait calib_wait;
+	static const u8 calib_complete[] = {
+		CALIBRATION_RES_NOTIFICATION,
+		CALIBRATION_COMPLETE_NOTIFICATION
+	};
 	int ret;
 
 	lockdep_assert_held(&priv->mutex);
@@ -534,8 +501,8 @@ int iwl_run_init_ucode(struct iwl_priv *priv)
 		return 0;
 
 	iwl_init_notification_wait(&priv->notif_wait, &calib_wait,
-				      CALIBRATION_COMPLETE_NOTIFICATION,
-				      NULL, NULL);
+				   calib_complete, ARRAY_SIZE(calib_complete),
+				   iwlagn_wait_calib, priv);
 
 	/* Will also start the device */
 	ret = iwl_load_ucode_wait_alive(priv, IWL_UCODE_INIT);

drivers/net/wireless/mac80211_hwsim.c

@@ -637,6 +637,7 @@ static bool mac80211_hwsim_tx_frame_no_nl(struct ieee80211_hw *hw,
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 	struct ieee80211_rx_status rx_status;
+	struct ieee80211_rate *txrate = ieee80211_get_tx_rate(hw, info);
 
 	if (data->idle) {
 		wiphy_debug(hw->wiphy, "Trying to TX when idle - reject\n");
@@ -671,6 +672,7 @@ static bool mac80211_hwsim_tx_frame_no_nl(struct ieee80211_hw *hw,
 	spin_lock(&hwsim_radio_lock);
 	list_for_each_entry(data2, &hwsim_radios, list) {
 		struct sk_buff *nskb;
+		struct ieee80211_mgmt *mgmt;
 
 		if (data == data2)
 			continue;
@@ -688,8 +690,17 @@ static bool mac80211_hwsim_tx_frame_no_nl(struct ieee80211_hw *hw,
 
 		if (mac80211_hwsim_addr_match(data2, hdr->addr1))
 			ack = true;
+
+		/* set bcn timestamp relative to receiver mactime */
 		rx_status.mactime =
-			le64_to_cpu(__mac80211_hwsim_get_tsf(data2));
+				le64_to_cpu(__mac80211_hwsim_get_tsf(data2));
+		mgmt = (struct ieee80211_mgmt *) nskb->data;
+		if (ieee80211_is_beacon(mgmt->frame_control) ||
+		    ieee80211_is_probe_resp(mgmt->frame_control))
+			mgmt->u.beacon.timestamp = cpu_to_le64(
+				rx_status.mactime +
+				24 * 8 * 10 / txrate->bitrate);
+
 		memcpy(IEEE80211_SKB_RXCB(nskb), &rx_status, sizeof(rx_status));
 		ieee80211_rx_irqsafe(data2->hw, nskb);
 	}
@@ -703,12 +714,6 @@ static void mac80211_hwsim_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
 	bool ack;
 	struct ieee80211_tx_info *txi;
 	u32 _pid;
-	struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) skb->data;
-	struct mac80211_hwsim_data *data = hw->priv;
-
-	if (ieee80211_is_beacon(mgmt->frame_control) ||
-	    ieee80211_is_probe_resp(mgmt->frame_control))
-		mgmt->u.beacon.timestamp = __mac80211_hwsim_get_tsf(data);
 
 	mac80211_hwsim_monitor_rx(hw, skb);
 
@@ -805,11 +810,9 @@ static void mac80211_hwsim_beacon_tx(void *arg, u8 *mac,
 				     struct ieee80211_vif *vif)
 {
 	struct ieee80211_hw *hw = arg;
-	struct mac80211_hwsim_data *data = hw->priv;
 	struct sk_buff *skb;
 	struct ieee80211_tx_info *info;
 	u32 _pid;
-	struct ieee80211_mgmt *mgmt;
 
 	hwsim_check_magic(vif);
 
@@ -823,9 +826,6 @@ static void mac80211_hwsim_beacon_tx(void *arg, u8 *mac,
 		return;
 	info = IEEE80211_SKB_CB(skb);
 
-	mgmt = (struct ieee80211_mgmt *) skb->data;
-	mgmt->u.beacon.timestamp = __mac80211_hwsim_get_tsf(data);
-
 	mac80211_hwsim_monitor_rx(hw, skb);
 
 	/* wmediumd mode check */
@@ -1450,7 +1450,7 @@ DEFINE_SIMPLE_ATTRIBUTE(hwsim_fops_group,
 			hwsim_fops_group_read, hwsim_fops_group_write,
 			"%llx\n");
 
-struct mac80211_hwsim_data *get_hwsim_data_ref_from_addr(
+static struct mac80211_hwsim_data *get_hwsim_data_ref_from_addr(
 			     struct mac_address *addr)
 {
 	struct mac80211_hwsim_data *data;
@@ -1795,9 +1795,11 @@ static int __init init_mac80211_hwsim(void)
 			    IEEE80211_HW_SIGNAL_DBM |
 			    IEEE80211_HW_SUPPORTS_STATIC_SMPS |
 			    IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS |
-			    IEEE80211_HW_AMPDU_AGGREGATION;
+			    IEEE80211_HW_AMPDU_AGGREGATION |
+			    IEEE80211_HW_WANT_MONITOR_VIF;
 
-		hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS;
+		hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS |
+				    WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
 
 		/* ask mac80211 to reserve space for magic */
 		hw->vif_data_size = sizeof(struct hwsim_vif_priv);

drivers/net/wireless/mwifiex/11n.c

@@ -350,25 +350,26 @@ mwifiex_cmd_append_11n_tlv(struct mwifiex_private *priv,
 		ret_len += sizeof(struct mwifiex_ie_types_htcap);
 	}
 
-	if (bss_desc->bcn_ht_info) {
+	if (bss_desc->bcn_ht_oper) {
 		if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
 			ht_info = (struct mwifiex_ie_types_htinfo *) *buffer;
 			memset(ht_info, 0,
 			       sizeof(struct mwifiex_ie_types_htinfo));
 			ht_info->header.type =
-					cpu_to_le16(WLAN_EID_HT_INFORMATION);
+					cpu_to_le16(WLAN_EID_HT_OPERATION);
 			ht_info->header.len =
-				cpu_to_le16(sizeof(struct ieee80211_ht_info));
+				cpu_to_le16(
+					sizeof(struct ieee80211_ht_operation));
 
 			memcpy((u8 *) ht_info +
 			       sizeof(struct mwifiex_ie_types_header),
-			       (u8 *) bss_desc->bcn_ht_info +
+			       (u8 *) bss_desc->bcn_ht_oper +
 			       sizeof(struct ieee_types_header),
 			       le16_to_cpu(ht_info->header.len));
 
 			if (!(sband->ht_cap.cap &
 					IEEE80211_HT_CAP_SUP_WIDTH_20_40))
-				ht_info->ht_info.ht_param &=
+				ht_info->ht_oper.ht_param &=
 					~(IEEE80211_HT_PARAM_CHAN_WIDTH_ANY |
 					IEEE80211_HT_PARAM_CHA_SEC_OFFSET);
 
@@ -385,16 +386,16 @@ mwifiex_cmd_append_11n_tlv(struct mwifiex_private *priv,
 			sizeof(struct mwifiex_ie_types_chan_list_param_set) -
 			sizeof(struct mwifiex_ie_types_header));
 		chan_list->chan_scan_param[0].chan_number =
-			bss_desc->bcn_ht_info->control_chan;
+			bss_desc->bcn_ht_oper->primary_chan;
 		chan_list->chan_scan_param[0].radio_type =
 			mwifiex_band_to_radio_type((u8) bss_desc->bss_band);
 
 		if (sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40 &&
-		    bss_desc->bcn_ht_info->ht_param &
+		    bss_desc->bcn_ht_oper->ht_param &
 		    IEEE80211_HT_PARAM_CHAN_WIDTH_ANY)
 			SET_SECONDARYCHAN(chan_list->chan_scan_param[0].
 					  radio_type,
-					  (bss_desc->bcn_ht_info->ht_param &
+					  (bss_desc->bcn_ht_oper->ht_param &
 					  IEEE80211_HT_PARAM_CHA_SEC_OFFSET));
 
 		*buffer += sizeof(struct mwifiex_ie_types_chan_list_param_set);