iwmc3200wifi: Add new Intel Wireless Multicomm 802.11 driver

This driver supports Intel's full MAC wireless multicomm 802.11 hardware.
Although the hardware is a 802.11agn device, we currently only support
802.11ag, in managed and ad-hoc mode (no AP mode for now).
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: Samuel Ortiz <samuel.ortiz@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/Kconfig

@@ -501,5 +501,6 @@ source "drivers/net/wireless/zd1211rw/Kconfig"
 source "drivers/net/wireless/rt2x00/Kconfig"
 source "drivers/net/wireless/orinoco/Kconfig"
 source "drivers/net/wireless/wl12xx/Kconfig"
+source "drivers/net/wireless/iwmc3200wifi/Kconfig"
 
 endmenu

drivers/net/wireless/Makefile

@@ -60,3 +60,5 @@ obj-$(CONFIG_ATH_COMMON)	+= ath/
 obj-$(CONFIG_MAC80211_HWSIM)	+= mac80211_hwsim.o
 
 obj-$(CONFIG_WL12XX)	+= wl12xx/
+
+obj-$(CONFIG_IWM)	+= iwmc3200wifi/

drivers/net/wireless/iwmc3200wifi/Kconfig

+config IWM
+	tristate "Intel Wireless Multicomm 3200 WiFi driver"
+	depends on MMC && WLAN_80211 && EXPERIMENTAL
+	select LIB80211
+	select FW_LOADER
+	select RFKILL
+
+config IWM_DEBUG
+	bool "Enable full debugging output in iwmc3200wifi"
+	depends on IWM && DEBUG_FS
+	---help---
+	  This option will enable debug tracing and setting for iwm
+
+	  You can set the debug level and module through debugfs. By
+	  default all modules are set to the IWL_DL_ERR level.
+	  To see the list of debug modules and levels, see iwm/debug.h
+
+	  For example, if you want the full MLME debug output:
+	  echo 0xff > /debug/iwm/phyN/debug/mlme
+
+	  Or, if you want the full debug, for all modules:
+	  echo 0xff > /debug/iwm/phyN/debug/level
+	  echo 0xff > /debug/iwm/phyN/debug/modules

drivers/net/wireless/iwmc3200wifi/Makefile

+obj-$(CONFIG_IWM) := iwmc3200wifi.o
+iwmc3200wifi-objs += main.o netdev.o rx.o tx.o sdio.o hal.o fw.o
+iwmc3200wifi-objs += commands.o wext.o cfg80211.o eeprom.o rfkill.o
+
+iwmc3200wifi-$(CONFIG_IWM_DEBUG) += debugfs.o

drivers/net/wireless/iwmc3200wifi/bus.h

+/*
+ * Intel Wireless Multicomm 3200 WiFi driver
+ *
+ * Copyright (C) 2009 Intel Corporation <ilw@linux.intel.com>
+ * Samuel Ortiz <samuel.ortiz@intel.com>
+ * Zhu Yi <yi.zhu@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * 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
+ * 02110-1301, USA.
+ *
+ */
+
+#ifndef __IWM_BUS_H__
+#define __IWM_BUS_H__
+
+#include "iwm.h"
+
+struct iwm_if_ops {
+	int (*enable)(struct iwm_priv *iwm);
+	int (*disable)(struct iwm_priv *iwm);
+	int (*send_chunk)(struct iwm_priv *iwm, u8* buf, int count);
+
+	int (*debugfs_init)(struct iwm_priv *iwm, struct dentry *parent_dir);
+	void (*debugfs_exit)(struct iwm_priv *iwm);
+
+	const char *umac_name;
+	const char *calib_lmac_name;
+	const char *lmac_name;
+};
+
+static inline int iwm_bus_send_chunk(struct iwm_priv *iwm, u8 *buf, int count)
+{
+	return iwm->bus_ops->send_chunk(iwm, buf, count);
+}
+
+static inline int iwm_bus_enable(struct iwm_priv *iwm)
+{
+	return iwm->bus_ops->enable(iwm);
+}
+
+static inline int iwm_bus_disable(struct iwm_priv *iwm)
+{
+	return iwm->bus_ops->disable(iwm);
+}
+
+#endif

drivers/net/wireless/iwmc3200wifi/cfg80211.h

+/*
+ * Intel Wireless Multicomm 3200 WiFi driver
+ *
+ * Copyright (C) 2009 Intel Corporation <ilw@linux.intel.com>
+ * Samuel Ortiz <samuel.ortiz@intel.com>
+ * Zhu Yi <yi.zhu@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * 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
+ * 02110-1301, USA.
+ *
+ */
+
+#ifndef __IWM_CFG80211_H__
+#define __IWM_CFG80211_H__
+
+int iwm_cfg80211_inform_bss(struct iwm_priv *iwm);
+struct wireless_dev *iwm_wdev_alloc(int sizeof_bus, struct device *dev);
+void iwm_wdev_free(struct iwm_priv *iwm);
+
+#endif

drivers/net/wireless/iwmc3200wifi/debug.h

+/*
+ * Intel Wireless Multicomm 3200 WiFi driver
+ *
+ * Copyright (C) 2009 Intel Corporation <ilw@linux.intel.com>
+ * Samuel Ortiz <samuel.ortiz@intel.com>
+ * Zhu Yi <yi.zhu@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * 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
+ * 02110-1301, USA.
+ *
+ */
+
+#ifndef __IWM_DEBUG_H__
+#define __IWM_DEBUG_H__
+
+#define IWM_ERR(p, f, a...) dev_err(iwm_to_dev(p), f, ## a)
+#define IWM_WARN(p, f, a...) dev_warn(iwm_to_dev(p), f, ## a)
+#define IWM_INFO(p, f, a...) dev_info(iwm_to_dev(p), f, ## a)
+#define IWM_CRIT(p, f, a...) dev_crit(iwm_to_dev(p), f, ## a)
+
+#ifdef CONFIG_IWM_DEBUG
+
+#define IWM_DEBUG_MODULE(i, level, module, f, a...)			     \
+do {									     \
+	if (unlikely(i->dbg.dbg_module[IWM_DM_##module] >= (IWM_DL_##level)))\
+		dev_printk(KERN_INFO, (iwm_to_dev(i)),	             \
+			   "%s " f, __func__ , ## a);			     \
+} while (0)
+
+#define IWM_HEXDUMP(i, level, module, pref, buf, len)		             \
+do {									     \
+	if (unlikely(i->dbg.dbg_module[IWM_DM_##module] >= (IWM_DL_##level)))\
+		print_hex_dump(KERN_INFO, pref, DUMP_PREFIX_OFFSET,	     \
+			       16, 1, buf, len, 1);			     \
+} while (0)
+
+#else
+
+#define IWM_DEBUG_MODULE(i, level, module, f, a...)
+#define IWM_HEXDUMP(i, level, module, pref, buf, len)
+
+#endif /* CONFIG_IWM_DEBUG */
+
+/* Debug modules */
+enum iwm_debug_module_id {
+	IWM_DM_BOOT = 0,
+	IWM_DM_FW,
+	IWM_DM_SDIO,
+	IWM_DM_NTF,
+	IWM_DM_RX,
+	IWM_DM_TX,
+	IWM_DM_MLME,
+	IWM_DM_CMD,
+	IWM_DM_WEXT,
+	__IWM_DM_NR,
+};
+#define IWM_DM_DEFAULT 0
+
+#define IWM_DBG_BOOT(i, l, f, a...) IWM_DEBUG_MODULE(i, l, BOOT, f, ## a)
+#define IWM_DBG_FW(i, l, f, a...)   IWM_DEBUG_MODULE(i, l, FW, f, ## a)
+#define IWM_DBG_SDIO(i, l, f, a...) IWM_DEBUG_MODULE(i, l, SDIO, f, ## a)
+#define IWM_DBG_NTF(i, l, f, a...)  IWM_DEBUG_MODULE(i, l, NTF, f, ## a)
+#define IWM_DBG_RX(i, l, f, a...)   IWM_DEBUG_MODULE(i, l, RX, f, ## a)
+#define IWM_DBG_TX(i, l, f, a...)   IWM_DEBUG_MODULE(i, l, TX, f, ## a)
+#define IWM_DBG_MLME(i, l, f, a...) IWM_DEBUG_MODULE(i, l, MLME, f, ## a)
+#define IWM_DBG_CMD(i, l, f, a...)  IWM_DEBUG_MODULE(i, l, CMD, f, ## a)
+#define IWM_DBG_WEXT(i, l, f, a...) IWM_DEBUG_MODULE(i, l, WEXT, f, ## a)
+
+/* Debug levels */
+enum iwm_debug_level {
+	IWM_DL_NONE = 0,
+	IWM_DL_ERR,
+	IWM_DL_WARN,
+	IWM_DL_INFO,
+	IWM_DL_DBG,
+};
+#define IWM_DL_DEFAULT IWM_DL_ERR
+
+struct iwm_debugfs {
+	struct iwm_priv *iwm;
+	struct dentry *rootdir;
+	struct dentry *devdir;
+	struct dentry *dbgdir;
+	struct dentry *txdir;
+	struct dentry *rxdir;
+	struct dentry *busdir;
+
+	u32 dbg_level;
+	struct dentry *dbg_level_dentry;
+
+	unsigned long dbg_modules;
+	struct dentry *dbg_modules_dentry;
+
+	u8 dbg_module[__IWM_DM_NR];
+	struct dentry *dbg_module_dentries[__IWM_DM_NR];
+
+	struct dentry *txq_dentry;
+	struct dentry *tx_credit_dentry;
+	struct dentry *rx_ticket_dentry;
+};
+
+#ifdef CONFIG_IWM_DEBUG
+int iwm_debugfs_init(struct iwm_priv *iwm);
+void iwm_debugfs_exit(struct iwm_priv *iwm);
+#else
+static inline int iwm_debugfs_init(struct iwm_priv *iwm)
+{
+	return 0;
+}
+static inline void iwm_debugfs_exit(struct iwm_priv *iwm) {}
+#endif
+
+#endif

drivers/net/wireless/iwmc3200wifi/eeprom.c

+/*
+ * Intel Wireless Multicomm 3200 WiFi driver
+ *
+ * Copyright (C) 2009 Intel Corporation. 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 of 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.
+ *
+ *
+ * Intel Corporation <ilw@linux.intel.com>
+ * Samuel Ortiz <samuel.ortiz@intel.com>
+ * Zhu Yi <yi.zhu@intel.com>
+ *
+ */
+
+#include <linux/kernel.h>
+
+#include "iwm.h"
+#include "umac.h"
+#include "commands.h"
+#include "eeprom.h"
+
+static struct iwm_eeprom_entry eeprom_map[] = {
+	[IWM_EEPROM_SIG] =
+	{"Signature", IWM_EEPROM_SIG_OFF, IWM_EEPROM_SIG_LEN},
+
+	[IWM_EEPROM_VERSION] =
+	{"Version", IWM_EEPROM_VERSION_OFF, IWM_EEPROM_VERSION_LEN},
+
+	[IWM_EEPROM_OEM_HW_VERSION] =
+	{"OEM HW version", IWM_EEPROM_OEM_HW_VERSION_OFF,
+	 IWM_EEPROM_OEM_HW_VERSION_LEN},
+
+	[IWM_EEPROM_MAC_VERSION] =
+	{"MAC version", IWM_EEPROM_MAC_VERSION_OFF, IWM_EEPROM_MAC_VERSION_LEN},
+
+	[IWM_EEPROM_CARD_ID] =
+	{"Card ID", IWM_EEPROM_CARD_ID_OFF, IWM_EEPROM_CARD_ID_LEN},
+
+	[IWM_EEPROM_RADIO_CONF] =
+	{"Radio config", IWM_EEPROM_RADIO_CONF_OFF, IWM_EEPROM_RADIO_CONF_LEN},
+
+	[IWM_EEPROM_SKU_CAP] =
+	{"SKU capabilities", IWM_EEPROM_SKU_CAP_OFF, IWM_EEPROM_SKU_CAP_LEN},
+
+	[IWM_EEPROM_CALIB_RXIQ_OFFSET] =
+	{"RX IQ offset", IWM_EEPROM_CALIB_RXIQ_OFF, IWM_EEPROM_INDIRECT_LEN},
+
+	[IWM_EEPROM_CALIB_RXIQ] =
+	{"Calib RX IQ", 0, IWM_EEPROM_CALIB_RXIQ_LEN},
+};
+
+
+static int iwm_eeprom_read(struct iwm_priv *iwm, u8 eeprom_id)
+{
+	int ret;
+	u32 entry_size, chunk_size, data_offset = 0, addr_offset = 0;
+	u32 addr;
+	struct iwm_udma_wifi_cmd udma_cmd;
+	struct iwm_umac_cmd umac_cmd;
+	struct iwm_umac_cmd_eeprom_proxy eeprom_cmd;
+
+	if (eeprom_id > (IWM_EEPROM_LAST - 1))
+		return -EINVAL;
+
+	entry_size = eeprom_map[eeprom_id].length;
+
+	if (eeprom_id >= IWM_EEPROM_INDIRECT_DATA) {
+		/* indirect data */
+		u32 off_id = eeprom_id - IWM_EEPROM_INDIRECT_DATA +
+			     IWM_EEPROM_INDIRECT_OFFSET;
+
+		eeprom_map[eeprom_id].offset =
+			*(u16 *)(iwm->eeprom + eeprom_map[off_id].offset) << 1;
+	}
+
+	addr = eeprom_map[eeprom_id].offset;
+
+	udma_cmd.eop = 1;
+	udma_cmd.credit_group = 0x4;
+	udma_cmd.ra_tid = UMAC_HDI_ACT_TBL_IDX_HOST_CMD;
+	udma_cmd.lmac_offset = 0;
+
+	umac_cmd.id = UMAC_CMD_OPCODE_EEPROM_PROXY;
+	umac_cmd.resp = 1;
+
+	while (entry_size > 0) {
+		chunk_size = min_t(u32, entry_size, IWM_MAX_EEPROM_DATA_LEN);
+
+		eeprom_cmd.hdr.type =
+			cpu_to_le32(IWM_UMAC_CMD_EEPROM_TYPE_READ);
+		eeprom_cmd.hdr.offset = cpu_to_le32(addr + addr_offset);
+		eeprom_cmd.hdr.len = cpu_to_le32(chunk_size);
+
+		ret = iwm_hal_send_umac_cmd(iwm, &udma_cmd,
+					    &umac_cmd, &eeprom_cmd,
+				     sizeof(struct iwm_umac_cmd_eeprom_proxy));
+		if (ret < 0) {
+			IWM_ERR(iwm, "Couldn't read eeprom\n");
+			return ret;
+		}
+
+		ret = iwm_notif_handle(iwm, UMAC_CMD_OPCODE_EEPROM_PROXY,
+				       IWM_SRC_UMAC, 2*HZ);
+		if (ret < 0) {
+			IWM_ERR(iwm, "Did not get any eeprom answer\n");
+			return ret;
+		}
+
+		data_offset += chunk_size;
+		addr_offset += chunk_size;
+		entry_size -= chunk_size;
+	}
+
+	return 0;
+}
+
+u8 *iwm_eeprom_access(struct iwm_priv *iwm, u8 eeprom_id)
+{
+	if (!iwm->eeprom)
+		return ERR_PTR(-ENODEV);
+
+	return iwm->eeprom + eeprom_map[eeprom_id].offset;
+}
+
+int iwm_eeprom_init(struct iwm_priv *iwm)
+{
+	int i, ret = 0;
+	char name[32];
+
+	iwm->eeprom = kzalloc(IWM_EEPROM_LEN, GFP_KERNEL);
+	if (!iwm->eeprom)
+		return -ENOMEM;
+
+	for (i = IWM_EEPROM_FIRST; i < IWM_EEPROM_LAST; i++) {
+#ifdef CONFIG_IWM_B0_HW_SUPPORT
+		if (iwm->conf.hw_b0 && (i >= IWM_EEPROM_INDIRECT_OFFSET))
+			break;
+#endif
+		ret = iwm_eeprom_read(iwm, i);
+		if (ret < 0) {
+			IWM_ERR(iwm, "Couldn't read eeprom entry #%d: %s\n",
+				i, eeprom_map[i].name);
+			break;
+		}
+	}
+
+	IWM_DBG_BOOT(iwm, DBG, "EEPROM dump:\n");
+	for (i = IWM_EEPROM_FIRST; i < IWM_EEPROM_LAST; i++) {
+		memset(name, 0, 32);
+		sprintf(name, "%s: ", eeprom_map[i].name);
+
+		IWM_HEXDUMP(iwm, DBG, BOOT, name,
+			    iwm->eeprom + eeprom_map[i].offset,
+			    eeprom_map[i].length);
+	}
+
+	return ret;
+}
+
+void iwm_eeprom_exit(struct iwm_priv *iwm)
+{
+	kfree(iwm->eeprom);
+}

drivers/net/wireless/iwmc3200wifi/eeprom.h

+/*
+ * Intel Wireless Multicomm 3200 WiFi driver
+ *
+ * Copyright (C) 2009 Intel Corporation. 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 of 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.
+ *
+ *
+ * Intel Corporation <ilw@linux.intel.com>
+ * Samuel Ortiz <samuel.ortiz@intel.com>
+ * Zhu Yi <yi.zhu@intel.com>
+ *
+ */
+
+#ifndef __IWM_EEPROM_H__
+#define __IWM_EEPROM_H__
+
+enum {
+	IWM_EEPROM_SIG = 0,
+	IWM_EEPROM_FIRST = IWM_EEPROM_SIG,
+	IWM_EEPROM_VERSION,
+	IWM_EEPROM_OEM_HW_VERSION,
+	IWM_EEPROM_MAC_VERSION,
+	IWM_EEPROM_CARD_ID,
+	IWM_EEPROM_RADIO_CONF,
+	IWM_EEPROM_SKU_CAP,
+
+	IWM_EEPROM_INDIRECT_OFFSET,
+	IWM_EEPROM_CALIB_RXIQ_OFFSET = IWM_EEPROM_INDIRECT_OFFSET,
+
+	IWM_EEPROM_INDIRECT_DATA,
+	IWM_EEPROM_CALIB_RXIQ = IWM_EEPROM_INDIRECT_DATA,
+
+	IWM_EEPROM_LAST,
+};
+
+#define IWM_EEPROM_SIG_OFF             0x00
+#define IWM_EEPROM_VERSION_OFF        (0x54 << 1)
+#define IWM_EEPROM_OEM_HW_VERSION_OFF (0x56 << 1)
+#define IWM_EEPROM_MAC_VERSION_OFF    (0x30 << 1)
+#define IWM_EEPROM_CARD_ID_OFF        (0x5d << 1)
+#define IWM_EEPROM_RADIO_CONF_OFF     (0x58 << 1)
+#define IWM_EEPROM_SKU_CAP_OFF        (0x55 << 1)
+#define IWM_EEPROM_CALIB_CONFIG_OFF   (0x7c << 1)
+
+#define IWM_EEPROM_SIG_LEN              4
+#define IWM_EEPROM_VERSION_LEN          2
+#define IWM_EEPROM_OEM_HW_VERSION_LEN   2
+#define IWM_EEPROM_MAC_VERSION_LEN      1
+#define IWM_EEPROM_CARD_ID_LEN          2
+#define IWM_EEPROM_RADIO_CONF_LEN       2
+#define IWM_EEPROM_SKU_CAP_LEN          2
+#define IWM_EEPROM_INDIRECT_LEN		2
+
+#define IWM_MAX_EEPROM_DATA_LEN         240
+#define IWM_EEPROM_LEN                  0x800
+
+#define IWM_EEPROM_MIN_ALLOWED_VERSION          0x0610
+#define IWM_EEPROM_MAX_ALLOWED_VERSION          0x0700
+#define IWM_EEPROM_CURRENT_VERSION              0x0612
+
+#define IWM_EEPROM_SKU_CAP_BAND_24GHZ           (1 << 4)
+#define IWM_EEPROM_SKU_CAP_BAND_52GHZ           (1 << 5)
+#define IWM_EEPROM_SKU_CAP_11N_ENABLE           (1 << 6)
+
+enum {
+	IWM_EEPROM_CALIB_CAL_HDR,
+	IWM_EEPROM_CALIB_TX_POWER,
+	IWM_EEPROM_CALIB_XTAL,
+	IWM_EEPROM_CALIB_TEMPERATURE,
+	IWM_EEPROM_CALIB_RX_BB_FILTER,
+	IWM_EEPROM_CALIB_RX_IQ,
+	IWM_EEPROM_CALIB_MAX,
+};
+
+#define IWM_EEPROM_CALIB_RXIQ_OFF	(IWM_EEPROM_CALIB_CONFIG_OFF + \
+					 (IWM_EEPROM_CALIB_RX_IQ << 1))
+#define IWM_EEPROM_CALIB_RXIQ_LEN	sizeof(struct iwm_lmac_calib_rxiq)
+
+struct iwm_eeprom_entry {
+	char *name;
+	u32 offset;
+	u32 length;
+};
+
+int iwm_eeprom_init(struct iwm_priv *iwm);
+void iwm_eeprom_exit(struct iwm_priv *iwm);
+u8 *iwm_eeprom_access(struct iwm_priv *iwm, u8 eeprom_id);
+
+#endif

drivers/net/wireless/iwmc3200wifi/fw.h

+/*
+ * Intel Wireless Multicomm 3200 WiFi driver
+ *
+ * Copyright (C) 2009 Intel Corporation. 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 of 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.
+ *
+ *
+ * Intel Corporation <ilw@linux.intel.com>
+ * Samuel Ortiz <samuel.ortiz@intel.com>
+ * Zhu Yi <yi.zhu@intel.com>
+ *
+ */
+
+#ifndef __IWM_FW_H__
+#define __IWM_FW_H__
+
+/**
+ * struct iwm_fw_hdr_rec - An iwm firmware image is a
+ * concatenation of various records. Each of them is
+ * defined by an ID (aka op code), a length, and the
+ * actual data.
+ * @op_code: The record ID, see IWM_HDR_REC_OP_*
+ *
+ * @len: The record payload length
+ *
+ * @buf: The record payload
+ */
+struct iwm_fw_hdr_rec {
+	u16 op_code;
+	u16 len;
+	u8 buf[0];
+};
+
+/* Header's definitions */
+#define IWM_HDR_LEN                          (512)
+#define IWM_HDR_BARKER_LEN                   (16)
+
+/* Header's opcodes */
+#define IWM_HDR_REC_OP_INVALID             (0x00)
+#define IWM_HDR_REC_OP_BUILD_DATE          (0x01)
+#define IWM_HDR_REC_OP_BUILD_TAG           (0x02)
+#define IWM_HDR_REC_OP_SW_VER              (0x03)
+#define IWM_HDR_REC_OP_HW_SKU              (0x04)
+#define IWM_HDR_REC_OP_BUILD_OPT           (0x05)
+#define IWM_HDR_REC_OP_MEM_DESC            (0x06)
+#define IWM_HDR_REC_USERDEFS               (0x07)
+
+/* Header's records length (in bytes) */
+#define IWM_HDR_REC_LEN_BUILD_DATE           (4)
+#define IWM_HDR_REC_LEN_BUILD_TAG            (64)
+#define IWM_HDR_REC_LEN_SW_VER               (4)
+#define IWM_HDR_REC_LEN_HW_SKU               (4)
+#define IWM_HDR_REC_LEN_BUILD_OPT            (4)
+#define IWM_HDR_REC_LEN_MEM_DESC             (12)
+#define IWM_HDR_REC_LEN_USERDEF              (64)
+
+#define IWM_BUILD_YEAR(date) ((date >> 16) & 0xffff)
+#define IWM_BUILD_MONTH(date) ((date >> 8) & 0xff)
+#define IWM_BUILD_DAY(date) (date & 0xff)
+
+struct iwm_fw_img_desc {
+	u32 offset;
+	u32 address;
+	u32 length;
+};
+
+struct iwm_fw_img_ver {
+	u8 minor;
+	u8 major;
+	u16 reserved;
+};
+
+int iwm_load_fw(struct iwm_priv *iwm);
+
+#endif

drivers/net/wireless/iwmc3200wifi/hal.h

+/*
+ * Intel Wireless Multicomm 3200 WiFi driver
+ *
+ * Copyright (C) 2009 Intel Corporation. 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 of 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.
+ *
+ *
+ * Intel Corporation <ilw@linux.intel.com>
+ * Samuel Ortiz <samuel.ortiz@intel.com>
+ * Zhu Yi <yi.zhu@intel.com>
+ *
+ */
+
+#ifndef _IWM_HAL_H_
+#define _IWM_HAL_H_
+
+#include "umac.h"
+
+#define GET_VAL8(s, name)	((s >> name##_POS) & name##_SEED)
+#define GET_VAL16(s, name)	((le16_to_cpu(s) >> name##_POS) & name##_SEED)
+#define GET_VAL32(s, name)	((le32_to_cpu(s) >> name##_POS) & name##_SEED)
+
+#define SET_VAL8(s, name, val)						  \
+do {									  \
+	s = (s & ~(name##_SEED << name##_POS)) |			  \
+	    ((val & name##_SEED) << name##_POS);			  \
+} while (0)
+
+#define SET_VAL16(s, name, val)						  \
+do {									  \
+	s = cpu_to_le16((le16_to_cpu(s) & ~(name##_SEED << name##_POS)) | \
+			((val & name##_SEED) << name##_POS));		  \
+} while (0)
+
+#define SET_VAL32(s, name, val)						  \
+do {									  \
+	s = cpu_to_le32((le32_to_cpu(s) & ~(name##_SEED << name##_POS)) | \
+			((val & name##_SEED) << name##_POS));		  \
+} while (0)
+
+
+#define UDMA_UMAC_INIT	{	.eop = 1,				  \
+				.credit_group = 0x4,			  \
+				.ra_tid = UMAC_HDI_ACT_TBL_IDX_HOST_CMD,  \
+				.lmac_offset = 0 }
+#define UDMA_LMAC_INIT	{	.eop = 1,				  \
+				.credit_group = 0x4,			  \
+				.ra_tid = UMAC_HDI_ACT_TBL_IDX_HOST_CMD,  \
+				.lmac_offset = 4 }
+
+
+/* UDMA IN OP CODE -- cmd bits [3:0] */
+#define UDMA_IN_OPCODE_MASK			0xF
+
+#define UDMA_IN_OPCODE_GENERAL_RESP		0x0
+#define UDMA_IN_OPCODE_READ_RESP		0x1
+#define UDMA_IN_OPCODE_WRITE_RESP		0x2
+#define UDMA_IN_OPCODE_PERS_WRITE_RESP		0x5
+#define UDMA_IN_OPCODE_PERS_READ_RESP		0x6
+#define UDMA_IN_OPCODE_RD_MDFY_WR_RESP		0x7
+#define UDMA_IN_OPCODE_EP_MNGMT_MSG		0x8
+#define UDMA_IN_OPCODE_CRDT_CHNG_MSG		0x9
+#define UDMA_IN_OPCODE_CNTRL_DATABASE_MSG	0xA
+#define UDMA_IN_OPCODE_SW_MSG			0xB
+#define UDMA_IN_OPCODE_WIFI			0xF
+#define UDMA_IN_OPCODE_WIFI_LMAC		0x1F
+#define UDMA_IN_OPCODE_WIFI_UMAC		0x2F
+
+/* HW API: udma_hdi_nonwifi API (OUT and IN) */
+
+/* iwm_udma_nonwifi_cmd request response -- bits [9:9] */
+#define UDMA_HDI_OUT_NW_CMD_RESP_POS		9
+#define UDMA_HDI_OUT_NW_CMD_RESP_SEED		0x1
+
+/* iwm_udma_nonwifi_cmd handle by HW -- bits [11:11] */
+#define UDMA_HDI_OUT_NW_CMD_HANDLE_BY_HW_POS	11
+#define UDMA_HDI_OUT_NW_CMD_HANDLE_BY_HW_SEED	0x1
+
+/* iwm_udma_nonwifi_cmd sequence-number -- bits [12:15] */
+#define UDMA_HDI_OUT_NW_CMD_SEQ_NUM_POS		12
+#define UDMA_HDI_OUT_NW_CMD_SEQ_NUM_SEED	0xF
+
+/* UDMA IN Non-WIFI HW sequence number -- bits [12:15] */
+#define UDMA_IN_NW_HW_SEQ_NUM_POS		12
+#define UDMA_IN_NW_HW_SEQ_NUM_SEED		0xF
+
+/* UDMA IN Non-WIFI HW signature -- bits [16:31] */
+#define UDMA_IN_NW_HW_SIG_POS			16
+#define UDMA_IN_NW_HW_SIG_SEED			0xFFFF
+
+/* fixed signature */
+#define UDMA_IN_NW_HW_SIG			0xCBBC
+
+/* UDMA IN Non-WIFI HW block length -- bits [32:35] */
+#define UDMA_IN_NW_HW_LENGTH_SEED		0xF
+#define UDMA_IN_NW_HW_LENGTH_POS		32
+
+/* End of HW API: udma_hdi_nonwifi API (OUT and IN) */
+
+#define IWM_SDIO_FW_MAX_CHUNK_SIZE	2032
+#define IWM_MAX_WIFI_HEADERS_SIZE	32
+#define IWM_MAX_NONWIFI_HEADERS_SIZE	16
+#define IWM_MAX_NONWIFI_CMD_BUFF_SIZE	(IWM_SDIO_FW_MAX_CHUNK_SIZE - \
+					 IWM_MAX_NONWIFI_HEADERS_SIZE)
+#define IWM_MAX_WIFI_CMD_BUFF_SIZE	(IWM_SDIO_FW_MAX_CHUNK_SIZE - \
+					 IWM_MAX_WIFI_HEADERS_SIZE)
+
+#define IWM_HAL_CONCATENATE_BUF_SIZE	8192
+
+struct iwm_wifi_cmd_buff {
+	u16 len;
+	u8 *start;
+	u8 hdr[IWM_MAX_WIFI_HEADERS_SIZE];
+	u8 payload[IWM_MAX_WIFI_CMD_BUFF_SIZE];
+};
+
+struct iwm_nonwifi_cmd_buff {
+	u16 len;
+	u8 *start;
+	u8 hdr[IWM_MAX_NONWIFI_HEADERS_SIZE];
+	u8 payload[IWM_MAX_NONWIFI_CMD_BUFF_SIZE];
+};
+
+struct iwm_udma_nonwifi_cmd {
+	u8 opcode;
+	u8 eop;
+	u8 resp;
+	u8 handle_by_hw;
+	__le32 addr;
+	__le32 op1_sz;
+	__le32 op2;
+	__le16 seq_num;
+};
+
+struct iwm_udma_wifi_cmd {
+	__le16 count;
+	u8 eop;
+	u8 credit_group;
+	u8 ra_tid;
+	u8 lmac_offset;
+};
+
+struct iwm_umac_cmd {
+	u8 id;
+	__le16 count;
+	u8 resp;
+	__le16 seq_num;
+	u8 color;
+};
+
+struct iwm_lmac_cmd {
+	u8 id;
+	__le16 count;
+	u8 resp;
+	__le16 seq_num;
+};
+
+struct iwm_nonwifi_cmd {
+	u16 seq_num;
+	bool resp_received;
+	struct list_head pending;
+	struct iwm_udma_nonwifi_cmd udma_cmd;
+	struct iwm_umac_cmd umac_cmd;
+	struct iwm_lmac_cmd lmac_cmd;
+	struct iwm_nonwifi_cmd_buff buf;
+	u32 flags;
+};
+
+struct iwm_wifi_cmd {
+	u16 seq_num;
+	struct list_head pending;
+	struct iwm_udma_wifi_cmd udma_cmd;
+	struct iwm_umac_cmd umac_cmd;
+	struct iwm_lmac_cmd lmac_cmd;
+	struct iwm_wifi_cmd_buff buf;
+	u32 flags;
+};
+
+void iwm_cmd_flush(struct iwm_priv *iwm);
+
+struct iwm_wifi_cmd *iwm_get_pending_wifi_cmd(struct iwm_priv *iwm,
+					      u16 seq_num);
+struct iwm_nonwifi_cmd *iwm_get_pending_nonwifi_cmd(struct iwm_priv *iwm,
+						    u8 seq_num, u8 cmd_opcode);
+
+
+int iwm_hal_send_target_cmd(struct iwm_priv *iwm,
+			    struct iwm_udma_nonwifi_cmd *ucmd,
+			    const void *payload);
+
+int iwm_hal_send_host_cmd(struct iwm_priv *iwm,
+			  struct iwm_udma_wifi_cmd *udma_cmd,
+			  struct iwm_umac_cmd *umac_cmd,
+			  struct iwm_lmac_cmd *lmac_cmd,
+			  const void *payload, u16 payload_size);
+
+int iwm_hal_send_umac_cmd(struct iwm_priv *iwm,
+			  struct iwm_udma_wifi_cmd *udma_cmd,
+			  struct iwm_umac_cmd *umac_cmd,
+			  const void *payload, u16 payload_size);
+
+u16 iwm_alloc_wifi_cmd_seq(struct iwm_priv *iwm);
+
+void iwm_udma_wifi_hdr_set_eop(struct iwm_priv *iwm, u8 *buf, u8 eop);
+void iwm_build_udma_wifi_hdr(struct iwm_priv *iwm,
+			     struct iwm_udma_out_wifi_hdr *hdr,
+			     struct iwm_udma_wifi_cmd *cmd);
+void iwm_build_umac_hdr(struct iwm_priv *iwm,
+			struct iwm_umac_fw_cmd_hdr *hdr,
+			struct iwm_umac_cmd *cmd);
+#endif /* _IWM_HAL_H_ */

drivers/net/wireless/iwmc3200wifi/iwm.h

+/*
+ * Intel Wireless Multicomm 3200 WiFi driver
+ *
+ * Copyright (C) 2009 Intel Corporation. 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 of 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.
+ *
+ *
+ * Intel Corporation <ilw@linux.intel.com>
+ * Samuel Ortiz <samuel.ortiz@intel.com>
+ * Zhu Yi <yi.zhu@intel.com>
+ *
+ */
+
+#ifndef __IWM_H__
+#define __IWM_H__
+
+#include <linux/netdevice.h>
+#include <linux/wireless.h>
+#include <net/cfg80211.h>
+
+#include "debug.h"
+#include "hal.h"
+#include "umac.h"
+#include "lmac.h"
+#include "eeprom.h"
+
+#define IWM_COPYRIGHT "Copyright(c) 2009 Intel Corporation"
+#define IWM_AUTHOR "<ilw@linux.intel.com>"
+
+#define CONFIG_IWM_B0_HW_SUPPORT	1
+
+#define IWM_SRC_LMAC	UMAC_HDI_IN_SOURCE_FHRX
+#define IWM_SRC_UDMA	UMAC_HDI_IN_SOURCE_UDMA
+#define IWM_SRC_UMAC	UMAC_HDI_IN_SOURCE_FW
+#define IWM_SRC_NUM	3
+
+#define IWM_POWER_INDEX_MIN	0
+#define IWM_POWER_INDEX_MAX	5
+#define IWM_POWER_INDEX_DEFAULT	3
+
+struct iwm_conf {
+	u32 sdio_ior_timeout;
+	unsigned long init_calib_map;
+	unsigned long periodic_calib_map;
+	bool reset_on_fatal_err;
+	bool auto_connect;
+	bool wimax_not_present;
+	bool enable_qos;
+	u32 mode;
+
+	u32 power_index;
+	u32 frag_threshold;
+	u32 rts_threshold;
+	bool cts_to_self;
+
+	u32 assoc_timeout;
+	u32 roam_timeout;
+	u32 wireless_mode;
+	u32 coexist_mode;
+
+	u8 ibss_band;
+	u8 ibss_channel;
+
+	u8 mac_addr[ETH_ALEN];
+#ifdef CONFIG_IWM_B0_HW_SUPPORT
+	bool hw_b0;
+#endif
+};
+
+enum {
+	COEX_MODE_SA = 1,
+	COEX_MODE_XOR,
+	COEX_MODE_CM,
+	COEX_MODE_MAX,
+};
+
+struct iwm_if_ops;
+struct iwm_wifi_cmd;
+
+struct pool_entry {
+	int id;		/* group id */
+	int sid;	/* super group id */
+	int min_pages;	/* min capacity in pages */
+	int max_pages;	/* max capacity in pages */
+	int alloc_pages;	/* allocated # of pages. incresed by driver */
+	int total_freed_pages;	/* total freed # of pages. incresed by UMAC */
+};
+
+struct spool_entry {
+	int id;
+	int max_pages;
+	int alloc_pages;
+};
+
+struct iwm_tx_credit {
+	spinlock_t lock;
+	int pool_nr;
+	unsigned long full_pools_map; /* bitmap for # of filled tx pools */
+	struct pool_entry pools[IWM_MACS_OUT_GROUPS];
+	struct spool_entry spools[IWM_MACS_OUT_SGROUPS];
+};
+
+struct iwm_notif {
+	struct list_head pending;
+	u32 cmd_id;
+	void *cmd;
+	u8 src;
+	void *buf;
+	unsigned long buf_size;
+};
+
+struct iwm_sta_info {
+	u8 addr[ETH_ALEN];
+	bool valid;
+	bool qos;
+	u8 color;
+};
+
+struct iwm_tx_info {
+	u8 sta;
+	u8 color;
+	u8 tid;
+};
+
+struct iwm_rx_info {
+	unsigned long rx_size;
+	unsigned long rx_buf_size;
+};
+
+#define IWM_NUM_KEYS 4
+
+struct iwm_umac_key_hdr {
+	u8 mac[ETH_ALEN];
+	u8 key_idx;
+	u8 multicast; /* BCast encrypt & BCast decrypt of frames FROM mac */
+} __attribute__ ((packed));
+
+struct iwm_key {
+	struct iwm_umac_key_hdr hdr;
+	u8 in_use;
+	u8 alg;
+	u32 flags;
+	u8 tx_seq[IW_ENCODE_SEQ_MAX_SIZE];
+	u8 rx_seq[IW_ENCODE_SEQ_MAX_SIZE];
+	u8 key_len;
+	u8 key[32];
+};
+
+#define IWM_RX_ID_HASH  0xff
+#define IWM_RX_ID_GET_HASH(id) ((id) % IWM_RX_ID_HASH)
+
+#define IWM_STA_TABLE_NUM	16
+#define IWM_TX_LIST_SIZE	64
+#define IWM_RX_LIST_SIZE        256
+
+#define IWM_SCAN_ID_MAX 0xff
+
+#define IWM_STATUS_READY		0
+#define IWM_STATUS_SCANNING		1
+#define IWM_STATUS_SCAN_ABORTING	2
+#define IWM_STATUS_ASSOCIATING		3
+#define IWM_STATUS_ASSOCIATED		4
+
+#define IWM_RADIO_RFKILL_OFF		0
+#define IWM_RADIO_RFKILL_HW		1
+#define IWM_RADIO_RFKILL_SW		2
+
+struct iwm_tx_queue {
+	int id;
+	struct sk_buff_head queue;
+	struct workqueue_struct *wq;
+	struct work_struct worker;
+	u8 concat_buf[IWM_HAL_CONCATENATE_BUF_SIZE];
+	int concat_count;
+	u8 *concat_ptr;
+};
+
+/* Queues 0 ~ 3 for AC data, 5 for iPAN */
+#define IWM_TX_QUEUES		5
+#define IWM_TX_DATA_QUEUES	4
+#define IWM_TX_CMD_QUEUE	4
+
+struct iwm_bss_info {
+	struct list_head node;
+	struct cfg80211_bss *cfg_bss;
+	struct iwm_umac_notif_bss_info *bss;
+};
+
+typedef int (*iwm_handler)(struct iwm_priv *priv, u8 *buf,
+			   unsigned long buf_size, struct iwm_wifi_cmd *cmd);
+
+#define IWM_WATCHDOG_PERIOD	(6 * HZ)
+
+struct iwm_priv {
+	struct wireless_dev *wdev;
+	struct iwm_if_ops *bus_ops;
+
+	struct iwm_conf conf;
+
+	unsigned long status;
+	unsigned long radio;
+
+	struct list_head pending_notif;
+	wait_queue_head_t notif_queue;
+
+	wait_queue_head_t nonwifi_queue;
+
+	unsigned long calib_done_map;
+	struct {
+		u8 *buf;
+		u32 size;
+	} calib_res[CALIBRATION_CMD_NUM];
+
+	struct iwm_umac_profile *umac_profile;
+	bool umac_profile_active;
+
+	u8 bssid[ETH_ALEN];
+	u8 channel;
+	u16 rate;
+
+	struct iwm_sta_info sta_table[IWM_STA_TABLE_NUM];
+	struct list_head bss_list;
+
+	void (*nonwifi_rx_handlers[UMAC_HDI_IN_OPCODE_NONWIFI_MAX])
+	(struct iwm_priv *priv, u8 *buf, unsigned long buf_size);
+
+	const iwm_handler *umac_handlers;
+	const iwm_handler *lmac_handlers;
+	DECLARE_BITMAP(lmac_handler_map, LMAC_COMMAND_ID_NUM);
+	DECLARE_BITMAP(umac_handler_map, LMAC_COMMAND_ID_NUM);
+	DECLARE_BITMAP(udma_handler_map, LMAC_COMMAND_ID_NUM);
+
+	struct list_head wifi_pending_cmd;
+	struct list_head nonwifi_pending_cmd;
+	u16 wifi_seq_num;
+	u8 nonwifi_seq_num;
+	spinlock_t cmd_lock;
+
+	u32 core_enabled;
+
+	u8 scan_id;
+	struct cfg80211_scan_request *scan_request;
+
+	struct sk_buff_head rx_list;
+	struct list_head rx_tickets;
+	struct list_head rx_packets[IWM_RX_ID_HASH];
+	struct workqueue_struct *rx_wq;
+	struct work_struct rx_worker;
+
+	struct iwm_tx_credit tx_credit;
+	struct iwm_tx_queue txq[IWM_TX_QUEUES];
+
+	struct iwm_key keys[IWM_NUM_KEYS];
+	struct iwm_key *default_key;
+
+	wait_queue_head_t mlme_queue;
+
+	struct iw_statistics wstats;
+	struct delayed_work stats_request;
+
+	struct iwm_debugfs dbg;
+
+	u8 *eeprom;
+	struct timer_list watchdog;
+	struct work_struct reset_worker;
+	struct rfkill *rfkill;
+
+	char private[0] __attribute__((__aligned__(NETDEV_ALIGN)));
+};
+
+static inline void *iwm_private(struct iwm_priv *iwm)
+{
+	BUG_ON(!iwm);
+	return &iwm->private;
+}
+
+#define hw_to_iwm(h) (h->iwm)
+#define iwm_to_dev(i) (wiphy_dev(i->wdev->wiphy))
+#define iwm_to_wiphy(i) (i->wdev->wiphy)
+#define wiphy_to_iwm(w) (struct iwm_priv *)(wiphy_priv(w))
+#define iwm_to_wdev(i) (i->wdev)
+#define wdev_to_iwm(w) (struct iwm_priv *)(wdev_priv(w))
+#define iwm_to_ndev(i) (i->wdev->netdev)
+#define ndev_to_iwm(n) (wdev_to_iwm(n->ieee80211_ptr))
+#define skb_to_rx_info(s) ((struct iwm_rx_info *)(s->cb))
+#define skb_to_tx_info(s) ((struct iwm_tx_info *)s->cb)
+
+extern const struct iw_handler_def iwm_iw_handler_def;
+
+void *iwm_if_alloc(int sizeof_bus, struct device *dev,
+		   struct iwm_if_ops *if_ops);
+void iwm_if_free(struct iwm_priv *iwm);
+int iwm_mode_to_nl80211_iftype(int mode);
+int iwm_priv_init(struct iwm_priv *iwm);
+void iwm_reset(struct iwm_priv *iwm);
+void iwm_tx_credit_init_pools(struct iwm_priv *iwm,
+			      struct iwm_umac_notif_alive *alive);
+int iwm_tx_credit_alloc(struct iwm_priv *iwm, int id, int nb);
+int iwm_notif_send(struct iwm_priv *iwm, struct iwm_wifi_cmd *cmd,
+		   u8 cmd_id, u8 source, u8 *buf, unsigned long buf_size);
+int iwm_notif_handle(struct iwm_priv *iwm, u32 cmd, u8 source, long timeout);
+void iwm_init_default_profile(struct iwm_priv *iwm,
+			      struct iwm_umac_profile *profile);
+void iwm_link_on(struct iwm_priv *iwm);
+void iwm_link_off(struct iwm_priv *iwm);
+int iwm_up(struct iwm_priv *iwm);
+int iwm_down(struct iwm_priv *iwm);
+
+/* TX API */
+void iwm_tx_credit_inc(struct iwm_priv *iwm, int id, int total_freed_pages);
+void iwm_tx_worker(struct work_struct *work);
+int iwm_xmit_frame(struct sk_buff *skb, struct net_device *netdev);
+
+/* RX API */
+void iwm_rx_setup_handlers(struct iwm_priv *iwm);
+int iwm_rx_handle(struct iwm_priv *iwm, u8 *buf, unsigned long buf_size);
+int iwm_rx_handle_resp(struct iwm_priv *iwm, u8 *buf, unsigned long buf_size,
+		       struct iwm_wifi_cmd *cmd);
+void iwm_rx_free(struct iwm_priv *iwm);
+
+/* RF Kill API */
+int iwm_rfkill_init(struct iwm_priv *iwm);
+void iwm_rfkill_exit(struct iwm_priv *iwm);
+
+#endif

drivers/net/wireless/iwmc3200wifi/netdev.c

+/*
+ * Intel Wireless Multicomm 3200 WiFi driver
+ *
+ * Copyright (C) 2009 Intel Corporation <ilw@linux.intel.com>
+ * Samuel Ortiz <samuel.ortiz@intel.com>
+ * Zhu Yi <yi.zhu@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * 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
+ * 02110-1301, USA.
+ *
+ */
+
+/*
+ * This is the netdev related hooks for iwm.
+ *
+ * Some interesting code paths:
+ *
+ * iwm_open() (Called at netdev interface bringup time)
+ *  -> iwm_up() (main.c)
+ *      -> iwm_bus_enable()
+ *          -> if_sdio_enable() (In case of an SDIO bus)
+ *              -> sdio_enable_func()
+ *      -> iwm_notif_wait(BARKER_REBOOT) (wait for reboot barker)
+ *      -> iwm_notif_wait(ACK_BARKER) (wait for ACK barker)
+ *      -> iwm_load_fw() (fw.c)
+ *          -> iwm_load_umac()
+ *          -> iwm_load_lmac() (Calibration LMAC)
+ *          -> iwm_load_lmac() (Operational LMAC)
+ *      -> iwm_send_umac_config()
+ *
+ * iwm_stop() (Called at netdev interface bringdown time)
+ *  -> iwm_down()
+ *      -> iwm_bus_disable()
+ *          -> if_sdio_disable() (In case of an SDIO bus)
+ *              -> sdio_disable_func()
+ */
+#include <linux/netdevice.h>
+
+#include "iwm.h"
+#include "cfg80211.h"
+#include "debug.h"
+
+static int iwm_open(struct net_device *ndev)
+{
+	struct iwm_priv *iwm = ndev_to_iwm(ndev);
+	int ret = 0;
+
+	if (!test_bit(IWM_RADIO_RFKILL_SW, &iwm->radio))
+		ret = iwm_up(iwm);
+
+	return ret;
+}
+
+static int iwm_stop(struct net_device *ndev)
+{
+	struct iwm_priv *iwm = ndev_to_iwm(ndev);
+	int ret = 0;
+
+	if (!test_bit(IWM_RADIO_RFKILL_SW, &iwm->radio))
+		ret = iwm_down(iwm);
+
+	return ret;
+}
+
+/*
+ * iwm AC to queue mapping
+ *
+ * AC_VO -> queue 3
+ * AC_VI -> queue 2
+ * AC_BE -> queue 1
+ * AC_BK -> queue 0
+ */
+static const u16 iwm_1d_to_queue[8] = { 1, 0, 0, 1, 2, 2, 3, 3 };
+
+static u16 iwm_select_queue(struct net_device *dev, struct sk_buff *skb)
+{
+	skb->priority = cfg80211_classify8021d(skb);
+
+	return iwm_1d_to_queue[skb->priority];
+}
+
+static const struct net_device_ops iwm_netdev_ops = {
+	.ndo_open		= iwm_open,
+	.ndo_stop		= iwm_stop,
+	.ndo_start_xmit		= iwm_xmit_frame,
+	.ndo_select_queue	= iwm_select_queue,
+};
+
+void *iwm_if_alloc(int sizeof_bus, struct device *dev,
+		   struct iwm_if_ops *if_ops)
+{
+	struct net_device *ndev;
+	struct wireless_dev *wdev;
+	struct iwm_priv *iwm;
+	int ret = 0;
+
+	wdev = iwm_wdev_alloc(sizeof_bus, dev);
+	if (!wdev) {
+		dev_err(dev, "no memory for wireless device instance\n");
+		return ERR_PTR(-ENOMEM);
+	}
+
+	iwm = wdev_to_iwm(wdev);
+	iwm->bus_ops = if_ops;
+	iwm->wdev = wdev;
+	iwm_priv_init(iwm);
+	wdev->iftype = iwm_mode_to_nl80211_iftype(iwm->conf.mode);
+
+	ndev = alloc_netdev_mq(0, "wlan%d", ether_setup,
+			       IWM_TX_QUEUES);
+	if (!ndev) {
+		dev_err(dev, "no memory for network device instance\n");
+		goto out_wdev;
+	}
+
+	ndev->netdev_ops = &iwm_netdev_ops;
+	ndev->wireless_handlers = &iwm_iw_handler_def;
+	ndev->ieee80211_ptr = wdev;
+	SET_NETDEV_DEV(ndev, wiphy_dev(wdev->wiphy));
+	ret = register_netdev(ndev);
+	if (ret < 0) {
+		dev_err(dev, "Failed to register netdev: %d\n", ret);
+		goto out_ndev;
+	}
+
+	wdev->netdev = ndev;
+
+	ret = iwm_rfkill_init(iwm);
+	if (ret) {
+		dev_err(dev, "Failed to init rfkill\n");
+		goto out_rfkill;
+	}
+
+	return iwm;
+
+ out_rfkill:
+	unregister_netdev(ndev);
+
+ out_ndev:
+	free_netdev(ndev);
+
+ out_wdev:
+	iwm_wdev_free(iwm);
+	return ERR_PTR(ret);
+}
+
+void iwm_if_free(struct iwm_priv *iwm)
+{
+	int i;
+
+	if (!iwm_to_ndev(iwm))
+		return;
+
+	iwm_rfkill_exit(iwm);
+	unregister_netdev(iwm_to_ndev(iwm));
+	free_netdev(iwm_to_ndev(iwm));
+	iwm_wdev_free(iwm);
+	destroy_workqueue(iwm->rx_wq);
+	for (i = 0; i < IWM_TX_QUEUES; i++)
+		destroy_workqueue(iwm->txq[i].wq);
+}

drivers/net/wireless/iwmc3200wifi/rx.h

+/*
+ * Intel Wireless Multicomm 3200 WiFi driver
+ *
+ * Copyright (C) 2009 Intel Corporation. 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 of 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.
+ *
+ *
+ * Intel Corporation <ilw@linux.intel.com>
+ * Samuel Ortiz <samuel.ortiz@intel.com>
+ * Zhu Yi <yi.zhu@intel.com>
+ *
+ */
+
+#ifndef __IWM_RX_H__
+#define __IWM_RX_H__
+
+#include <linux/skbuff.h>
+
+#include "umac.h"
+
+struct iwm_rx_ticket_node {
+	struct list_head node;
+	struct iwm_rx_ticket *ticket;
+};
+
+struct iwm_rx_packet {
+	struct list_head node;
+	u16 id;
+	struct sk_buff *skb;
+	unsigned long pkt_size;
+};
+
+void iwm_rx_worker(struct work_struct *work);
+
+#endif