tty: move ipwireless driver from drivers/char/pcmcia/ to drivers/tty/

As planned by Arnd Bergmann, this moves the ipwireless driver to the
drivers/tty/ directory as that's where it really belongs.

Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Jiri Slaby <jslaby@suse.cz>
Cc: David Sterba <dsterba@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 0 insertions, 1764 deletions

diff --git a/drivers/char/pcmcia/ipwireless/hardware.c b/drivers/char/pcmcia/ipwireless/hardware.c
deleted file mode 100644
index 0aeb5a38d29..00000000000
--- a/drivers/char/pcmcia/ipwireless/hardware.c
+++ /dev/null
@@ -1,1764 +0,0 @@
-/*
- * IPWireless 3G PCMCIA Network Driver
- *
- * Original code
- *   by Stephen Blackheath <stephen@blacksapphire.com>,
- *      Ben Martel <benm@symmetric.co.nz>
- *
- * Copyrighted as follows:
- *   Copyright (C) 2004 by Symmetric Systems Ltd (NZ)
- *
- * Various driver changes and rewrites, port to new kernels
- *   Copyright (C) 2006-2007 Jiri Kosina
- *
- * Misc code cleanups and updates
- *   Copyright (C) 2007 David Sterba
- */
-
-#include <linux/interrupt.h>
-#include <linux/io.h>
-#include <linux/irq.h>
-#include <linux/kernel.h>
-#include <linux/list.h>
-#include <linux/slab.h>
-
-#include "hardware.h"
-#include "setup_protocol.h"
-#include "network.h"
-#include "main.h"
-
-static void ipw_send_setup_packet(struct ipw_hardware *hw);
-static void handle_received_SETUP_packet(struct ipw_hardware *ipw,
-					 unsigned int address,
-					 const unsigned char *data, int len,
-					 int is_last);
-static void ipwireless_setup_timer(unsigned long data);
-static void handle_received_CTRL_packet(struct ipw_hardware *hw,
-		unsigned int channel_idx, const unsigned char *data, int len);
-
-/*#define TIMING_DIAGNOSTICS*/
-
-#ifdef TIMING_DIAGNOSTICS
-
-static struct timing_stats {
-	unsigned long last_report_time;
-	unsigned long read_time;
-	unsigned long write_time;
-	unsigned long read_bytes;
-	unsigned long write_bytes;
-	unsigned long start_time;
-};
-
-static void start_timing(void)
-{
-	timing_stats.start_time = jiffies;
-}
-
-static void end_read_timing(unsigned length)
-{
-	timing_stats.read_time += (jiffies - start_time);
-	timing_stats.read_bytes += length + 2;
-	report_timing();
-}
-
-static void end_write_timing(unsigned length)
-{
-	timing_stats.write_time += (jiffies - start_time);
-	timing_stats.write_bytes += length + 2;
-	report_timing();
-}
-
-static void report_timing(void)
-{
-	unsigned long since = jiffies - timing_stats.last_report_time;
-
-	/* If it's been more than one second... */
-	if (since >= HZ) {
-		int first = (timing_stats.last_report_time == 0);
-
-		timing_stats.last_report_time = jiffies;
-		if (!first)
-			printk(KERN_INFO IPWIRELESS_PCCARD_NAME
-			       ": %u us elapsed - read %lu bytes in %u us, wrote %lu bytes in %u us\n",
-			       jiffies_to_usecs(since),
-			       timing_stats.read_bytes,
-			       jiffies_to_usecs(timing_stats.read_time),
-			       timing_stats.write_bytes,
-			       jiffies_to_usecs(timing_stats.write_time));
-
-		timing_stats.read_time = 0;
-		timing_stats.write_time = 0;
-		timing_stats.read_bytes = 0;
-		timing_stats.write_bytes = 0;
-	}
-}
-#else
-static void start_timing(void) { }
-static void end_read_timing(unsigned length) { }
-static void end_write_timing(unsigned length) { }
-#endif
-
-/* Imported IPW definitions */
-
-#define LL_MTU_V1 318
-#define LL_MTU_V2 250
-#define LL_MTU_MAX (LL_MTU_V1 > LL_MTU_V2 ? LL_MTU_V1 : LL_MTU_V2)
-
-#define PRIO_DATA  2
-#define PRIO_CTRL  1
-#define PRIO_SETUP 0
-
-/* Addresses */
-#define ADDR_SETUP_PROT 0
-
-/* Protocol ids */
-enum {
-	/* Identifier for the Com Data protocol */
-	TL_PROTOCOLID_COM_DATA = 0,
-
-	/* Identifier for the Com Control protocol */
-	TL_PROTOCOLID_COM_CTRL = 1,
-
-	/* Identifier for the Setup protocol */
-	TL_PROTOCOLID_SETUP = 2
-};
-
-/* Number of bytes in NL packet header (cannot do
- * sizeof(nl_packet_header) since it's a bitfield) */
-#define NL_FIRST_PACKET_HEADER_SIZE        3
-
-/* Number of bytes in NL packet header (cannot do
- * sizeof(nl_packet_header) since it's a bitfield) */
-#define NL_FOLLOWING_PACKET_HEADER_SIZE    1
-
-struct nl_first_packet_header {
-	unsigned char protocol:3;
-	unsigned char address:3;
-	unsigned char packet_rank:2;
-	unsigned char length_lsb;
-	unsigned char length_msb;
-};
-
-struct nl_packet_header {
-	unsigned char protocol:3;
-	unsigned char address:3;
-	unsigned char packet_rank:2;
-};
-
-/* Value of 'packet_rank' above */
-#define NL_INTERMEDIATE_PACKET    0x0
-#define NL_LAST_PACKET            0x1
-#define NL_FIRST_PACKET           0x2
-
-union nl_packet {
-	/* Network packet header of the first packet (a special case) */
-	struct nl_first_packet_header hdr_first;
-	/* Network packet header of the following packets (if any) */
-	struct nl_packet_header hdr;
-	/* Complete network packet (header + data) */
-	unsigned char rawpkt[LL_MTU_MAX];
-} __attribute__ ((__packed__));
-
-#define HW_VERSION_UNKNOWN -1
-#define HW_VERSION_1 1
-#define HW_VERSION_2 2
-
-/* IPW I/O ports */
-#define IOIER 0x00		/* Interrupt Enable Register */
-#define IOIR  0x02		/* Interrupt Source/ACK register */
-#define IODCR 0x04		/* Data Control Register */
-#define IODRR 0x06		/* Data Read Register */
-#define IODWR 0x08		/* Data Write Register */
-#define IOESR 0x0A		/* Embedded Driver Status Register */
-#define IORXR 0x0C		/* Rx Fifo Register (Host to Embedded) */
-#define IOTXR 0x0E		/* Tx Fifo Register (Embedded to Host) */
-
-/* I/O ports and bit definitions for version 1 of the hardware */
-
-/* IER bits*/
-#define IER_RXENABLED   0x1
-#define IER_TXENABLED   0x2
-
-/* ISR bits */
-#define IR_RXINTR       0x1
-#define IR_TXINTR       0x2
-
-/* DCR bits */
-#define DCR_RXDONE      0x1
-#define DCR_TXDONE      0x2
-#define DCR_RXRESET     0x4
-#define DCR_TXRESET     0x8
-
-/* I/O ports and bit definitions for version 2 of the hardware */
-
-struct MEMCCR {
-	unsigned short reg_config_option;	/* PCCOR: Configuration Option Register */
-	unsigned short reg_config_and_status;	/* PCCSR: Configuration and Status Register */
-	unsigned short reg_pin_replacement;	/* PCPRR: Pin Replacemant Register */
-	unsigned short reg_socket_and_copy;	/* PCSCR: Socket and Copy Register */
-	unsigned short reg_ext_status;		/* PCESR: Extendend Status Register */
-	unsigned short reg_io_base;		/* PCIOB: I/O Base Register */
-};
-
-struct MEMINFREG {
-	unsigned short memreg_tx_old;	/* TX Register (R/W) */
-	unsigned short pad1;
-	unsigned short memreg_rx_done;	/* RXDone Register (R/W) */
-	unsigned short pad2;
-	unsigned short memreg_rx;	/* RX Register (R/W) */
-	unsigned short pad3;
-	unsigned short memreg_pc_interrupt_ack;	/* PC intr Ack Register (W) */
-	unsigned short pad4;
-	unsigned long memreg_card_present;/* Mask for Host to check (R) for
-					   * CARD_PRESENT_VALUE */
-	unsigned short memreg_tx_new;	/* TX2 (new) Register (R/W) */
-};
-
-#define CARD_PRESENT_VALUE (0xBEEFCAFEUL)
-
-#define MEMTX_TX                       0x0001
-#define MEMRX_RX                       0x0001
-#define MEMRX_RX_DONE                  0x0001
-#define MEMRX_PCINTACKK                0x0001
-
-#define NL_NUM_OF_PRIORITIES       3
-#define NL_NUM_OF_PROTOCOLS        3
-#define NL_NUM_OF_ADDRESSES        NO_OF_IPW_CHANNELS
-
-struct ipw_hardware {
-	unsigned int base_port;
-	short hw_version;
-	unsigned short ll_mtu;
-	spinlock_t lock;
-
-	int initializing;
-	int init_loops;
-	struct timer_list setup_timer;
-
-	/* Flag if hw is ready to send next packet */
-	int tx_ready;
-	/* Count of pending packets to be sent */
-	int tx_queued;
-	struct list_head tx_queue[NL_NUM_OF_PRIORITIES];
-
-	int rx_bytes_queued;
-	struct list_head rx_queue;
-	/* Pool of rx_packet structures that are not currently used. */
-	struct list_head rx_pool;
-	int rx_pool_size;
-	/* True if reception of data is blocked while userspace processes it. */
-	int blocking_rx;
-	/* True if there is RX data ready on the hardware. */
-	int rx_ready;
-	unsigned short last_memtx_serial;
-	/*
-	 * Newer versions of the V2 card firmware send serial numbers in the
-	 * MemTX register. 'serial_number_detected' is set true when we detect
-	 * a non-zero serial number (indicating the new firmware).  Thereafter,
-	 * the driver can safely ignore the Timer Recovery re-sends to avoid
-	 * out-of-sync problems.
-	 */
-	int serial_number_detected;
-	struct work_struct work_rx;
-
-	/* True if we are to send the set-up data to the hardware. */
-	int to_setup;
-
-	/* Card has been removed */
-	int removed;
-	/* Saved irq value when we disable the interrupt. */
-	int irq;
-	/* True if this driver is shutting down. */
-	int shutting_down;
-	/* Modem control lines */
-	unsigned int control_lines[NL_NUM_OF_ADDRESSES];
-	struct ipw_rx_packet *packet_assembler[NL_NUM_OF_ADDRESSES];
-
-	struct tasklet_struct tasklet;
-
-	/* The handle for the network layer, for the sending of events to it. */
-	struct ipw_network *network;
-	struct MEMINFREG __iomem *memory_info_regs;
-	struct MEMCCR __iomem *memregs_CCR;
-	void (*reboot_callback) (void *data);
-	void *reboot_callback_data;
-
-	unsigned short __iomem *memreg_tx;
-};
-
-/*
- * Packet info structure for tx packets.
- * Note: not all the fields defined here are required for all protocols
- */
-struct ipw_tx_packet {
-	struct list_head queue;
-	/* channel idx + 1 */
-	unsigned char dest_addr;
-	/* SETUP, CTRL or DATA */
-	unsigned char protocol;
-	/* Length of data block, which starts at the end of this structure */
-	unsigned short length;
-	/* Sending state */
-	/* Offset of where we've sent up to so far */
-	unsigned long offset;
-	/* Count of packet fragments, starting at 0 */
-	int fragment_count;
-
-	/* Called after packet is sent and before is freed */
-	void (*packet_callback) (void *cb_data, unsigned int packet_length);
-	void *callback_data;
-};
-
-/* Signals from DTE */
-#define COMCTRL_RTS	0
-#define COMCTRL_DTR	1
-
-/* Signals from DCE */
-#define COMCTRL_CTS	2
-#define COMCTRL_DCD	3
-#define COMCTRL_DSR	4
-#define COMCTRL_RI	5
-
-struct ipw_control_packet_body {
-	/* DTE signal or DCE signal */
-	unsigned char sig_no;
-	/* 0: set signal, 1: clear signal */
-	unsigned char value;
-} __attribute__ ((__packed__));
-
-struct ipw_control_packet {
-	struct ipw_tx_packet header;
-	struct ipw_control_packet_body body;
-};
-
-struct ipw_rx_packet {
-	struct list_head queue;
-	unsigned int capacity;
-	unsigned int length;
-	unsigned int protocol;
-	unsigned int channel_idx;
-};
-
-static char *data_type(const unsigned char *buf, unsigned length)
-{
-	struct nl_packet_header *hdr = (struct nl_packet_header *) buf;
-
-	if (length == 0)
-		return "     ";
-
-	if (hdr->packet_rank & NL_FIRST_PACKET) {
-		switch (hdr->protocol) {
-		case TL_PROTOCOLID_COM_DATA:	return "DATA ";
-		case TL_PROTOCOLID_COM_CTRL:	return "CTRL ";
-		case TL_PROTOCOLID_SETUP:	return "SETUP";
-		default: return "???? ";
-		}
-	} else
-		return "     ";
-}
-
-#define DUMP_MAX_BYTES 64
-
-static void dump_data_bytes(const char *type, const unsigned char *data,
-			    unsigned length)
-{
-	char prefix[56];
-
-	sprintf(prefix, IPWIRELESS_PCCARD_NAME ": %s %s ",
-			type, data_type(data, length));
-	print_hex_dump_bytes(prefix, 0, (void *)data,
-			length < DUMP_MAX_BYTES ? length : DUMP_MAX_BYTES);
-}
-
-static void swap_packet_bitfield_to_le(unsigned char *data)
-{
-#ifdef __BIG_ENDIAN_BITFIELD
-	unsigned char tmp = *data, ret = 0;
-
-	/*
-	 * transform bits from aa.bbb.ccc to ccc.bbb.aa
-	 */
-	ret |= tmp & 0xc0 >> 6;
-	ret |= tmp & 0x38 >> 1;
-	ret |= tmp & 0x07 << 5;
-	*data = ret & 0xff;
-#endif
-}
-
-static void swap_packet_bitfield_from_le(unsigned char *data)
-{
-#ifdef __BIG_ENDIAN_BITFIELD
-	unsigned char tmp = *data, ret = 0;
-
-	/*
-	 * transform bits from ccc.bbb.aa to aa.bbb.ccc
-	 */
-	ret |= tmp & 0xe0 >> 5;
-	ret |= tmp & 0x1c << 1;
-	ret |= tmp & 0x03 << 6;
-	*data = ret & 0xff;
-#endif
-}
-
-static void do_send_fragment(struct ipw_hardware *hw, unsigned char *data,
-			    unsigned length)
-{
-	unsigned i;
-	unsigned long flags;
-
-	start_timing();
-	BUG_ON(length > hw->ll_mtu);
-
-	if (ipwireless_debug)
-		dump_data_bytes("send", data, length);
-
-	spin_lock_irqsave(&hw->lock, flags);
-
-	hw->tx_ready = 0;
-	swap_packet_bitfield_to_le(data);
-
-	if (hw->hw_version == HW_VERSION_1) {
-		outw((unsigned short) length, hw->base_port + IODWR);
-
-		for (i = 0; i < length; i += 2) {
-			unsigned short d = data[i];
-			__le16 raw_data;
-
-			if (i + 1 < length)
-				d |= data[i + 1] << 8;
-			raw_data = cpu_to_le16(d);
-			outw(raw_data, hw->base_port + IODWR);
-		}
-
-		outw(DCR_TXDONE, hw->base_port + IODCR);
-	} else if (hw->hw_version == HW_VERSION_2) {
-		outw((unsigned short) length, hw->base_port);
-
-		for (i = 0; i < length; i += 2) {
-			unsigned short d = data[i];
-			__le16 raw_data;
-
-			if (i + 1 < length)
-				d |= data[i + 1] << 8;
-			raw_data = cpu_to_le16(d);
-			outw(raw_data, hw->base_port);
-		}
-		while ((i & 3) != 2) {
-			outw((unsigned short) 0xDEAD, hw->base_port);
-			i += 2;
-		}
-		writew(MEMRX_RX, &hw->memory_info_regs->memreg_rx);
-	}
-
-	spin_unlock_irqrestore(&hw->lock, flags);
-
-	end_write_timing(length);
-}
-
-static void do_send_packet(struct ipw_hardware *hw, struct ipw_tx_packet *packet)
-{
-	unsigned short fragment_data_len;
-	unsigned short data_left = packet->length - packet->offset;
-	unsigned short header_size;
-	union nl_packet pkt;
-
-	header_size =
-	    (packet->fragment_count == 0)
-	    ? NL_FIRST_PACKET_HEADER_SIZE
-	    : NL_FOLLOWING_PACKET_HEADER_SIZE;
-	fragment_data_len = hw->ll_mtu - header_size;
-	if (data_left < fragment_data_len)
-		fragment_data_len = data_left;
-
-	/*
-	 * hdr_first is now in machine bitfield order, which will be swapped
-	 * to le just before it goes to hw
-	 */
-	pkt.hdr_first.protocol = packet->protocol;
-	pkt.hdr_first.address = packet->dest_addr;
-	pkt.hdr_first.packet_rank = 0;
-
-	/* First packet? */
-	if (packet->fragment_count == 0) {
-		pkt.hdr_first.packet_rank |= NL_FIRST_PACKET;
-		pkt.hdr_first.length_lsb = (unsigned char) packet->length;
-		pkt.hdr_first.length_msb =
-			(unsigned char) (packet->length >> 8);
-	}
-
-	memcpy(pkt.rawpkt + header_size,
-	       ((unsigned char *) packet) + sizeof(struct ipw_tx_packet) +
-	       packet->offset, fragment_data_len);
-	packet->offset += fragment_data_len;
-	packet->fragment_count++;
-
-	/* Last packet? (May also be first packet.) */
-	if (packet->offset == packet->length)
-		pkt.hdr_first.packet_rank |= NL_LAST_PACKET;
-	do_send_fragment(hw, pkt.rawpkt, header_size + fragment_data_len);
-
-	/* If this packet has unsent data, then re-queue it. */
-	if (packet->offset < packet->length) {
-		/*
-		 * Re-queue it at the head of the highest priority queue so
-		 * it goes before all other packets
-		 */
-		unsigned long flags;
-
-		spin_lock_irqsave(&hw->lock, flags);
-		list_add(&packet->queue, &hw->tx_queue[0]);
-		hw->tx_queued++;
-		spin_unlock_irqrestore(&hw->lock, flags);
-	} else {
-		if (packet->packet_callback)
-			packet->packet_callback(packet->callback_data,
-					packet->length);
-		kfree(packet);
-	}
-}
-
-static void ipw_setup_hardware(struct ipw_hardware *hw)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&hw->lock, flags);
-	if (hw->hw_version == HW_VERSION_1) {
-		/* Reset RX FIFO */
-		outw(DCR_RXRESET, hw->base_port + IODCR);
-		/* SB: Reset TX FIFO */
-		outw(DCR_TXRESET, hw->base_port + IODCR);
-
-		/* Enable TX and RX interrupts. */
-		outw(IER_TXENABLED | IER_RXENABLED, hw->base_port + IOIER);
-	} else {
-		/*
-		 * Set INTRACK bit (bit 0), which means we must explicitly
-		 * acknowledge interrupts by clearing bit 2 of reg_config_and_status.
-		 */
-		unsigned short csr = readw(&hw->memregs_CCR->reg_config_and_status);
-
-		csr |= 1;
-		writew(csr, &hw->memregs_CCR->reg_config_and_status);
-	}
-	spin_unlock_irqrestore(&hw->lock, flags);
-}
-
-/*
- * If 'packet' is NULL, then this function allocates a new packet, setting its
- * length to 0 and ensuring it has the specified minimum amount of free space.
- *
- * If 'packet' is not NULL, then this function enlarges it if it doesn't
- * have the specified minimum amount of free space.
- *
- */
-static struct ipw_rx_packet *pool_allocate(struct ipw_hardware *hw,
-					   struct ipw_rx_packet *packet,
-					   int minimum_free_space)
-{
-
-	if (!packet) {
-		unsigned long flags;
-
-		spin_lock_irqsave(&hw->lock, flags);
-		if (!list_empty(&hw->rx_pool)) {
-			packet = list_first_entry(&hw->rx_pool,
-					struct ipw_rx_packet, queue);
-			hw->rx_pool_size--;
-			spin_unlock_irqrestore(&hw->lock, flags);
-			list_del(&packet->queue);
-		} else {
-			const int min_capacity =
-				ipwireless_ppp_mru(hw->network) + 2;
-			int new_capacity;
-
-			spin_unlock_irqrestore(&hw->lock, flags);
-			new_capacity =
-				(minimum_free_space > min_capacity
-				 ? minimum_free_space
-				 : min_capacity);
-			packet = kmalloc(sizeof(struct ipw_rx_packet)
-					+ new_capacity, GFP_ATOMIC);
-			if (!packet)
-				return NULL;
-			packet->capacity = new_capacity;
-		}
-		packet->length = 0;
-	}
-
-	if (packet->length + minimum_free_space > packet->capacity) {
-		struct ipw_rx_packet *old_packet = packet;
-
-		packet = kmalloc(sizeof(struct ipw_rx_packet) +
-				old_packet->length + minimum_free_space,
-				GFP_ATOMIC);
-		if (!packet) {
-			kfree(old_packet);
-			return NULL;
-		}
-		memcpy(packet, old_packet,
-				sizeof(struct ipw_rx_packet)
-					+ old_packet->length);
-		packet->capacity = old_packet->length + minimum_free_space;
-		kfree(old_packet);
-	}
-
-	return packet;
-}
-
-static void pool_free(struct ipw_hardware *hw, struct ipw_rx_packet *packet)
-{
-	if (hw->rx_pool_size > 6)
-		kfree(packet);
-	else {
-		hw->rx_pool_size++;
-		list_add(&packet->queue, &hw->rx_pool);
-	}
-}
-
-static void queue_received_packet(struct ipw_hardware *hw,
-				  unsigned int protocol,
-				  unsigned int address,
-				  const unsigned char *data, int length,
-				  int is_last)
-{
-	unsigned int channel_idx = address - 1;
-	struct ipw_rx_packet *packet = NULL;
-	unsigned long flags;
-
-	/* Discard packet if channel index is out of range. */
-	if (channel_idx >= NL_NUM_OF_ADDRESSES) {
-		printk(KERN_INFO IPWIRELESS_PCCARD_NAME
-		       ": data packet has bad address %u\n", address);
-		return;
-	}
-
-	/*
-	 * ->packet_assembler is safe to touch unlocked, this is the only place
-	 */
-	if (protocol == TL_PROTOCOLID_COM_DATA) {
-		struct ipw_rx_packet **assem =
-			&hw->packet_assembler[channel_idx];
-
-		/*
-		 * Create a new packet, or assembler already contains one
-		 * enlarge it by 'length' bytes.
-		 */
-		(*assem) = pool_allocate(hw, *assem, length);
-		if (!(*assem)) {
-			printk(KERN_ERR IPWIRELESS_PCCARD_NAME
-				": no memory for incomming data packet, dropped!\n");
-			return;
-		}
-		(*assem)->protocol = protocol;
-		(*assem)->channel_idx = channel_idx;
-
-		/* Append this packet data onto existing data. */
-		memcpy((unsigned char *)(*assem) +
-			       sizeof(struct ipw_rx_packet)
-				+ (*assem)->length, data, length);
-		(*assem)->length += length;
-		if (is_last) {
-			packet = *assem;
-			*assem = NULL;
-			/* Count queued DATA bytes only */
-			spin_lock_irqsave(&hw->lock, flags);
-			hw->rx_bytes_queued += packet->length;
-			spin_unlock_irqrestore(&hw->lock, flags);
-		}
-	} else {
-		/* If it's a CTRL packet, don't assemble, just queue it. */
-		packet = pool_allocate(hw, NULL, length);
-		if (!packet) {
-			printk(KERN_ERR IPWIRELESS_PCCARD_NAME
-				": no memory for incomming ctrl packet, dropped!\n");
-			return;
-		}
-		packet->protocol = protocol;
-		packet->channel_idx = channel_idx;
-		memcpy((unsigned char *)packet + sizeof(struct ipw_rx_packet),
-				data, length);
-		packet->length = length;
-	}
-
-	/*
-	 * If this is the last packet, then send the assembled packet on to the
-	 * network layer.
-	 */
-	if (packet) {
-		spin_lock_irqsave(&hw->lock, flags);
-		list_add_tail(&packet->queue, &hw->rx_queue);
-		/* Block reception of incoming packets if queue is full. */
-		hw->blocking_rx =
-			(hw->rx_bytes_queued >= IPWIRELESS_RX_QUEUE_SIZE);
-
-		spin_unlock_irqrestore(&hw->lock, flags);
-		schedule_work(&hw->work_rx);
-	}
-}
-
-/*
- * Workqueue callback
- */
-static void ipw_receive_data_work(struct work_struct *work_rx)
-{
-	struct ipw_hardware *hw =
-	    container_of(work_rx, struct ipw_hardware, work_rx);
-	unsigned long flags;
-
-	spin_lock_irqsave(&hw->lock, flags);
-	while (!list_empty(&hw->rx_queue)) {
-		struct ipw_rx_packet *packet =
-			list_first_entry(&hw->rx_queue,
-					struct ipw_rx_packet, queue);
-
-		if (hw->shutting_down)
-			break;
-		list_del(&packet->queue);
-
-		/*
-		 * Note: ipwireless_network_packet_received must be called in a
-		 * process context (i.e. via schedule_work) because the tty
-		 * output code can sleep in the tty_flip_buffer_push call.
-		 */
-		if (packet->protocol == TL_PROTOCOLID_COM_DATA) {
-			if (hw->network != NULL) {
-				/* If the network hasn't been disconnected. */
-				spin_unlock_irqrestore(&hw->lock, flags);
-				/*
-				 * This must run unlocked due to tty processing
-				 * and mutex locking
-				 */
-				ipwireless_network_packet_received(
-						hw->network,
-						packet->channel_idx,
-						(unsigned char *)packet
-						+ sizeof(struct ipw_rx_packet),
-						packet->length);
-				spin_lock_irqsave(&hw->lock, flags);
-			}
-			/* Count queued DATA bytes only */
-			hw->rx_bytes_queued -= packet->length;
-		} else {
-			/*
-			 * This is safe to be called locked, callchain does
-			 * not block
-			 */
-			handle_received_CTRL_packet(hw, packet->channel_idx,
-					(unsigned char *)packet
-					+ sizeof(struct ipw_rx_packet),
-					packet->length);
-		}
-		pool_free(hw, packet);
-		/*
-		 * Unblock reception of incoming packets if queue is no longer
-		 * full.
-		 */
-		hw->blocking_rx =
-			hw->rx_bytes_queued >= IPWIRELESS_RX_QUEUE_SIZE;
-		if (hw->shutting_down)
-			break;
-	}
-	spin_unlock_irqrestore(&hw->lock, flags);
-}
-
-static void handle_received_CTRL_packet(struct ipw_hardware *hw,
-					unsigned int channel_idx,
-					const unsigned char *data, int len)
-{
-	const struct ipw_control_packet_body *body =
-		(const struct ipw_control_packet_body *) data;
-	unsigned int changed_mask;
-
-	if (len != sizeof(struct ipw_control_packet_body)) {
-		printk(KERN_INFO IPWIRELESS_PCCARD_NAME
-		       ": control packet was %d bytes - wrong size!\n",
-		       len);
-		return;
-	}
-
-	switch (body->sig_no) {
-	case COMCTRL_CTS:
-		changed_mask = IPW_CONTROL_LINE_CTS;
-		break;
-	case COMCTRL_DCD:
-		changed_mask = IPW_CONTROL_LINE_DCD;
-		break;
-	case COMCTRL_DSR:
-		changed_mask = IPW_CONTROL_LINE_DSR;
-		break;
-	case COMCTRL_RI:
-		changed_mask = IPW_CONTROL_LINE_RI;
-		break;
-	default:
-		changed_mask = 0;
-	}
-
-	if (changed_mask != 0) {
-		if (body->value)
-			hw->control_lines[channel_idx] |= changed_mask;
-		else
-			hw->control_lines[channel_idx] &= ~changed_mask;
-		if (hw->network)
-			ipwireless_network_notify_control_line_change(
-					hw->network,
-					channel_idx,
-					hw->control_lines[channel_idx],
-					changed_mask);
-	}
-}
-
-static void handle_received_packet(struct ipw_hardware *hw,
-				   const union nl_packet *packet,
-				   unsigned short len)
-{
-	unsigned int protocol = packet->hdr.protocol;
-	unsigned int address = packet->hdr.address;
-	unsigned int header_length;
-	const unsigned char *data;
-	unsigned int data_len;
-	int is_last = packet->hdr.packet_rank & NL_LAST_PACKET;
-
-	if (packet->hdr.packet_rank & NL_FIRST_PACKET)
-		header_length = NL_FIRST_PACKET_HEADER_SIZE;
-	else
-		header_length = NL_FOLLOWING_PACKET_HEADER_SIZE;
-
-	data = packet->rawpkt + header_length;
-	data_len = len - header_length;
-	switch (protocol) {
-	case TL_PROTOCOLID_COM_DATA:
-	case TL_PROTOCOLID_COM_CTRL:
-		queue_received_packet(hw, protocol, address, data, data_len,
-				is_last);
-		break;
-	case TL_PROTOCOLID_SETUP:
-		handle_received_SETUP_packet(hw, address, data, data_len,
-				is_last);
-		break;
-	}
-}
-
-static void acknowledge_data_read(struct ipw_hardware *hw)
-{
-	if (hw->hw_version == HW_VERSION_1)
-		outw(DCR_RXDONE, hw->base_port + IODCR);
-	else
-		writew(MEMRX_PCINTACKK,
-				&hw->memory_info_regs->memreg_pc_interrupt_ack);
-}
-
-/*
- * Retrieve a packet from the IPW hardware.
- */
-static void do_receive_packet(struct ipw_hardware *hw)
-{
-	unsigned len;
-	unsigned i;
-	unsigned char pkt[LL_MTU_MAX];
-
-	start_timing();
-
-	if (hw->hw_version == HW_VERSION_1) {
-		len = inw(hw->base_port + IODRR);
-		if (len > hw->ll_mtu) {
-			printk(KERN_INFO IPWIRELESS_PCCARD_NAME
-			       ": received a packet of %u bytes - longer than the MTU!\n", len);
-			outw(DCR_RXDONE | DCR_RXRESET, hw->base_port + IODCR);
-			return;
-		}
-
-		for (i = 0; i < len; i += 2) {
-			__le16 raw_data = inw(hw->base_port + IODRR);
-			unsigned short data = le16_to_cpu(raw_data);
-
-			pkt[i] = (unsigned char) data;
-			pkt[i + 1] = (unsigned char) (data >> 8);
-		}
-	} else {
-		len = inw(hw->base_port);
-		if (len > hw->ll_mtu) {
-			printk(KERN_INFO IPWIRELESS_PCCARD_NAME
-			       ": received a packet of %u bytes - longer than the MTU!\n", len);
-			writew(MEMRX_PCINTACKK,
-				&hw->memory_info_regs->memreg_pc_interrupt_ack);
-			return;
-		}
-
-		for (i = 0; i < len; i += 2) {
-			__le16 raw_data = inw(hw->base_port);
-			unsigned short data = le16_to_cpu(raw_data);
-
-			pkt[i] = (unsigned char) data;
-			pkt[i + 1] = (unsigned char) (data >> 8);
-		}
-
-		while ((i & 3) != 2) {
-			inw(hw->base_port);
-			i += 2;
-		}
-	}
-
-	acknowledge_data_read(hw);
-
-	swap_packet_bitfield_from_le(pkt);
-
-	if (ipwireless_debug)
-		dump_data_bytes("recv", pkt, len);
-
-	handle_received_packet(hw, (union nl_packet *) pkt, len);
-
-	end_read_timing(len);
-}
-
-static int get_current_packet_priority(struct ipw_hardware *hw)
-{
-	/*
-	 * If we're initializing, don't send anything of higher priority than
-	 * PRIO_SETUP.  The network layer therefore need not care about
-	 * hardware initialization - any of its stuff will simply be queued
-	 * until setup is complete.
-	 */
-	return (hw->to_setup || hw->initializing
-			? PRIO_SETUP + 1 : NL_NUM_OF_PRIORITIES);
-}
-
-/*
- * return 1 if something has been received from hw
- */
-static int get_packets_from_hw(struct ipw_hardware *hw)
-{
-	int received = 0;
-	unsigned long flags;
-
-	spin_lock_irqsave(&hw->lock, flags);
-	while (hw->rx_ready && !hw->blocking_rx) {
-		received = 1;
-		hw->rx_ready--;
-		spin_unlock_irqrestore(&hw->lock, flags);
-
-		do_receive_packet(hw);
-
-		spin_lock_irqsave(&hw->lock, flags);
-	}
-	spin_unlock_irqrestore(&hw->lock, flags);
-
-	return received;
-}
-
-/*
- * Send pending packet up to given priority, prioritize SETUP data until
- * hardware is fully setup.
- *
- * return 1 if more packets can be sent
- */
-static int send_pending_packet(struct ipw_hardware *hw, int priority_limit)
-{
-	int more_to_send = 0;
-	unsigned long flags;
-
-	spin_lock_irqsave(&hw->lock, flags);
-	if (hw->tx_queued && hw->tx_ready) {
-		int priority;
-		struct ipw_tx_packet *packet = NULL;
-
-		/* Pick a packet */
-		for (priority = 0; priority < priority_limit; priority++) {
-			if (!list_empty(&hw->tx_queue[priority])) {
-				packet = list_first_entry(
-						&hw->tx_queue[priority],
-						struct ipw_tx_packet,
-						queue);
-
-				hw->tx_queued--;
-				list_del(&packet->queue);
-
-				break;
-			}
-		}
-		if (!packet) {
-			hw->tx_queued = 0;
-			spin_unlock_irqrestore(&hw->lock, flags);
-			return 0;
-		}
-
-		spin_unlock_irqrestore(&hw->lock, flags);
-
-		/* Send */
-		do_send_packet(hw, packet);
-
-		/* Check if more to send */
-		spin_lock_irqsave(&hw->lock, flags);
-		for (priority = 0; priority < priority_limit; priority++)
-			if (!list_empty(&hw->tx_queue[priority])) {
-				more_to_send = 1;
-				break;
-			}
-
-		if (!more_to_send)
-			hw->tx_queued = 0;
-	}
-	spin_unlock_irqrestore(&hw->lock, flags);
-
-	return more_to_send;
-}
-
-/*
- * Send and receive all queued packets.
- */
-static void ipwireless_do_tasklet(unsigned long hw_)
-{
-	struct ipw_hardware *hw = (struct ipw_hardware *) hw_;
-	unsigned long flags;
-
-	spin_lock_irqsave(&hw->lock, flags);
-	if (hw->shutting_down) {
-		spin_unlock_irqrestore(&hw->lock, flags);
-		return;
-	}
-
-	if (hw->to_setup == 1) {
-		/*
-		 * Initial setup data sent to hardware
-		 */
-		hw->to_setup = 2;
-		spin_unlock_irqrestore(&hw->lock, flags);
-
-		ipw_setup_hardware(hw);
-		ipw_send_setup_packet(hw);
-
-		send_pending_packet(hw, PRIO_SETUP + 1);
-		get_packets_from_hw(hw);
-	} else {
-		int priority_limit = get_current_packet_priority(hw);
-		int again;
-
-		spin_unlock_irqrestore(&hw->lock, flags);
-
-		do {
-			again = send_pending_packet(hw, priority_limit);
-			again |= get_packets_from_hw(hw);
-		} while (again);
-	}
-}
-
-/*
- * return true if the card is physically present.
- */
-static int is_card_present(struct ipw_hardware *hw)
-{
-	if (hw->hw_version == HW_VERSION_1)
-		return inw(hw->base_port + IOIR) != 0xFFFF;
-	else
-		return readl(&hw->memory_info_regs->memreg_card_present) ==
-		    CARD_PRESENT_VALUE;
-}
-
-static irqreturn_t ipwireless_handle_v1_interrupt(int irq,
-						  struct ipw_hardware *hw)
-{
-	unsigned short irqn;
-
-	irqn = inw(hw->base_port + IOIR);
-
-	/* Check if card is present */
-	if (irqn == 0xFFFF)
-		return IRQ_NONE;
-	else if (irqn != 0) {
-		unsigned short ack = 0;
-		unsigned long flags;
-
-		/* Transmit complete. */
-		if (irqn & IR_TXINTR) {
-			ack |= IR_TXINTR;
-			spin_lock_irqsave(&hw->lock, flags);
-			hw->tx_ready = 1;
-			spin_unlock_irqrestore(&hw->lock, flags);
-		}
-		/* Received data */
-		if (irqn & IR_RXINTR) {
-			ack |= IR_RXINTR;
-			spin_lock_irqsave(&hw->lock, flags);
-			hw->rx_ready++;
-			spin_unlock_irqrestore(&hw->lock, flags);
-		}
-		if (ack != 0) {
-			outw(ack, hw->base_port + IOIR);
-			tasklet_schedule(&hw->tasklet);
-		}
-		return IRQ_HANDLED;
-	}
-	return IRQ_NONE;
-}
-
-static void acknowledge_pcmcia_interrupt(struct ipw_hardware *hw)
-{
-	unsigned short csr = readw(&hw->memregs_CCR->reg_config_and_status);
-
-	csr &= 0xfffd;
-	writew(csr, &hw->memregs_CCR->reg_config_and_status);
-}
-
-static irqreturn_t ipwireless_handle_v2_v3_interrupt(int irq,
-						     struct ipw_hardware *hw)
-{
-	int tx = 0;
-	int rx = 0;
-	int rx_repeat = 0;
-	int try_mem_tx_old;
-	unsigned long flags;
-
-	do {
-
-	unsigned short memtx = readw(hw->memreg_tx);
-	unsigned short memtx_serial;
-	unsigned short memrxdone =
-		readw(&hw->memory_info_regs->memreg_rx_done);
-
-	try_mem_tx_old = 0;
-
-	/* check whether the interrupt was generated by ipwireless card */
-	if (!(memtx & MEMTX_TX) && !(memrxdone & MEMRX_RX_DONE)) {
-
-		/* check if the card uses memreg_tx_old register */
-		if (hw->memreg_tx == &hw->memory_info_regs->memreg_tx_new) {
-			memtx = readw(&hw->memory_info_regs->memreg_tx_old);
-			if (memtx & MEMTX_TX) {
-				printk(KERN_INFO IPWIRELESS_PCCARD_NAME
-					": Using memreg_tx_old\n");
-				hw->memreg_tx =
-					&hw->memory_info_regs->memreg_tx_old;
-			} else {
-				return IRQ_NONE;
-			}
-		} else
-			return IRQ_NONE;
-	}
-
-	/*
-	 * See if the card is physically present. Note that while it is
-	 * powering up, it appears not to be present.
-	 */
-	if (!is_card_present(hw)) {
-		acknowledge_pcmcia_interrupt(hw);
-		return IRQ_HANDLED;
-	}
-
-	memtx_serial = memtx & (unsigned short) 0xff00;
-	if (memtx & MEMTX_TX) {
-		writew(memtx_serial, hw->memreg_tx);
-
-		if (hw->serial_number_detected) {
-			if (memtx_serial != hw->last_memtx_serial) {
-				hw->last_memtx_serial = memtx_serial;
-				spin_lock_irqsave(&hw->lock, flags);
-				hw->rx_ready++;
-				spin_unlock_irqrestore(&hw->lock, flags);
-				rx = 1;
-			} else
-				/* Ignore 'Timer Recovery' duplicates. */
-				rx_repeat = 1;
-		} else {
-			/*
-			 * If a non-zero serial number is seen, then enable
-			 * serial number checking.
-			 */
-			if (memtx_serial != 0) {
-				hw->serial_number_detected = 1;
-				printk(KERN_DEBUG IPWIRELESS_PCCARD_NAME
-					": memreg_tx serial num detected\n");
-
-				spin_lock_irqsave(&hw->lock, flags);
-				hw->rx_ready++;
-				spin_unlock_irqrestore(&hw->lock, flags);
-			}
-			rx = 1;
-		}
-	}
-	if (memrxdone & MEMRX_RX_DONE) {
-		writew(0, &hw->memory_info_regs->memreg_rx_done);
-		spin_lock_irqsave(&hw->lock, flags);
-		hw->tx_ready = 1;
-		spin_unlock_irqrestore(&hw->lock, flags);
-		tx = 1;
-	}
-	if (tx)
-		writew(MEMRX_PCINTACKK,
-				&hw->memory_info_regs->memreg_pc_interrupt_ack);
-
-	acknowledge_pcmcia_interrupt(hw);
-
-	if (tx || rx)
-		tasklet_schedule(&hw->tasklet);
-	else if (!rx_repeat) {
-		if (hw->memreg_tx == &hw->memory_info_regs->memreg_tx_new) {
-			if (hw->serial_number_detected)
-				printk(KERN_WARNING IPWIRELESS_PCCARD_NAME
-					": spurious interrupt - new_tx mode\n");
-			else {
-				printk(KERN_WARNING IPWIRELESS_PCCARD_NAME
-					": no valid memreg_tx value - switching to the old memreg_tx\n");
-				hw->memreg_tx =
-					&hw->memory_info_regs->memreg_tx_old;
-				try_mem_tx_old = 1;
-			}
-		} else
-			printk(KERN_WARNING IPWIRELESS_PCCARD_NAME
-					": spurious interrupt - old_tx mode\n");
-	}
-
-	} while (try_mem_tx_old == 1);
-
-	return IRQ_HANDLED;
-}
-
-irqreturn_t ipwireless_interrupt(int irq, void *dev_id)
-{
-	struct ipw_dev *ipw = dev_id;
-
-	if (ipw->hardware->hw_version == HW_VERSION_1)
-		return ipwireless_handle_v1_interrupt(irq, ipw->hardware);
-	else
-		return ipwireless_handle_v2_v3_interrupt(irq, ipw->hardware);
-}
-
-static void flush_packets_to_hw(struct ipw_hardware *hw)
-{
-	int priority_limit;
-	unsigned long flags;
-
-	spin_lock_irqsave(&hw->lock, flags);
-	priority_limit = get_current_packet_priority(hw);
-	spin_unlock_irqrestore(&hw->lock, flags);
-
-	while (send_pending_packet(hw, priority_limit));
-}
-
-static void send_packet(struct ipw_hardware *hw, int priority,
-			struct ipw_tx_packet *packet)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&hw->lock, flags);
-	list_add_tail(&packet->queue, &hw->tx_queue[priority]);
-	hw->tx_queued++;
-	spin_unlock_irqrestore(&hw->lock, flags);
-
-	flush_packets_to_hw(hw);
-}
-
-/* Create data packet, non-atomic allocation */
-static void *alloc_data_packet(int data_size,
-				unsigned char dest_addr,
-				unsigned char protocol)
-{
-	struct ipw_tx_packet *packet = kzalloc(
-			sizeof(struct ipw_tx_packet) + data_size,
-			GFP_ATOMIC);
-
-	if (!packet)
-		return NULL;
-
-	INIT_LIST_HEAD(&packet->queue);
-	packet->dest_addr = dest_addr;
-	packet->protocol = protocol;
-	packet->length = data_size;
-
-	return packet;
-}
-
-static void *alloc_ctrl_packet(int header_size,
-			       unsigned char dest_addr,
-			       unsigned char protocol,
-			       unsigned char sig_no)
-{
-	/*
-	 * sig_no is located right after ipw_tx_packet struct in every
-	 * CTRL or SETUP packets, we can use ipw_control_packet as a
-	 * common struct
-	 */
-	struct ipw_control_packet *packet = kzalloc(header_size, GFP_ATOMIC);
-
-	if (!packet)
-		return NULL;
-
-	INIT_LIST_HEAD(&packet->header.queue);
-	packet->header.dest_addr = dest_addr;
-	packet->header.protocol = protocol;
-	packet->header.length = header_size - sizeof(struct ipw_tx_packet);
-	packet->body.sig_no = sig_no;
-
-	return packet;
-}
-
-int ipwireless_send_packet(struct ipw_hardware *hw, unsigned int channel_idx,
-			    const unsigned char *data, unsigned int length,
-			    void (*callback) (void *cb, unsigned int length),
-			    void *callback_data)
-{
-	struct ipw_tx_packet *packet;
-
-	packet = alloc_data_packet(length, (channel_idx + 1),
-			TL_PROTOCOLID_COM_DATA);
-	if (!packet)
-		return -ENOMEM;
-	packet->packet_callback = callback;
-	packet->callback_data = callback_data;
-	memcpy((unsigned char *) packet + sizeof(struct ipw_tx_packet), data,
-			length);
-
-	send_packet(hw, PRIO_DATA, packet);
-	return 0;
-}
-
-static int set_control_line(struct ipw_hardware *hw, int prio,
-			   unsigned int channel_idx, int line, int state)
-{
-	struct ipw_control_packet *packet;
-	int protocolid = TL_PROTOCOLID_COM_CTRL;
-
-	if (prio == PRIO_SETUP)
-		protocolid = TL_PROTOCOLID_SETUP;
-
-	packet = alloc_ctrl_packet(sizeof(struct ipw_control_packet),
-			(channel_idx + 1), protocolid, line);
-	if (!packet)
-		return -ENOMEM;
-	packet->header.length = sizeof(struct ipw_control_packet_body);
-	packet->body.value = (state == 0 ? 0 : 1);
-	send_packet(hw, prio, &packet->header);
-	return 0;
-}
-
-
-static int set_DTR(struct ipw_hardware *hw, int priority,
-		   unsigned int channel_idx, int state)
-{
-	if (state != 0)
-		hw->control_lines[channel_idx] |= IPW_CONTROL_LINE_DTR;
-	else
-		hw->control_lines[channel_idx] &= ~IPW_CONTROL_LINE_DTR;
-
-	return set_control_line(hw, priority, channel_idx, COMCTRL_DTR, state);
-}
-
-static int set_RTS(struct ipw_hardware *hw, int priority,
-		   unsigned int channel_idx, int state)
-{
-	if (state != 0)
-		hw->control_lines[channel_idx] |= IPW_CONTROL_LINE_RTS;
-	else
-		hw->control_lines[channel_idx] &= ~IPW_CONTROL_LINE_RTS;
-
-	return set_control_line(hw, priority, channel_idx, COMCTRL_RTS, state);
-}
-
-int ipwireless_set_DTR(struct ipw_hardware *hw, unsigned int channel_idx,
-		       int state)
-{
-	return set_DTR(hw, PRIO_CTRL, channel_idx, state);
-}
-
-int ipwireless_set_RTS(struct ipw_hardware *hw, unsigned int channel_idx,
-		       int state)
-{
-	return set_RTS(hw, PRIO_CTRL, channel_idx, state);
-}
-
-struct ipw_setup_get_version_query_packet {
-	struct ipw_tx_packet header;
-	struct tl_setup_get_version_qry body;
-};
-
-struct ipw_setup_config_packet {
-	struct ipw_tx_packet header;
-	struct tl_setup_config_msg body;
-};
-
-struct ipw_setup_config_done_packet {
-	struct ipw_tx_packet header;
-	struct tl_setup_config_done_msg body;
-};
-
-struct ipw_setup_open_packet {
-	struct ipw_tx_packet header;
-	struct tl_setup_open_msg body;
-};
-
-struct ipw_setup_info_packet {
-	struct ipw_tx_packet header;
-	struct tl_setup_info_msg body;
-};
-
-struct ipw_setup_reboot_msg_ack {
-	struct ipw_tx_packet header;
-	struct TlSetupRebootMsgAck body;
-};
-
-/* This handles the actual initialization of the card */
-static void __handle_setup_get_version_rsp(struct ipw_hardware *hw)
-{
-	struct ipw_setup_config_packet *config_packet;
-	struct ipw_setup_config_done_packet *config_done_packet;
-	struct ipw_setup_open_packet *open_packet;
-	struct ipw_setup_info_packet *info_packet;
-	int port;
-	unsigned int channel_idx;
-
-	/* generate config packet */
-	for (port = 1; port <= NL_NUM_OF_ADDRESSES; port++) {
-		config_packet = alloc_ctrl_packet(
-				sizeof(struct ipw_setup_config_packet),
-				ADDR_SETUP_PROT,
-				TL_PROTOCOLID_SETUP,
-				TL_SETUP_SIGNO_CONFIG_MSG);
-		if (!config_packet)
-			goto exit_nomem;
-		config_packet->header.length = sizeof(struct tl_setup_config_msg);
-		config_packet->body.port_no = port;
-		config_packet->body.prio_data = PRIO_DATA;
-		config_packet->body.prio_ctrl = PRIO_CTRL;
-		send_packet(hw, PRIO_SETUP, &config_packet->header);
-	}
-	config_done_packet = alloc_ctrl_packet(
-			sizeof(struct ipw_setup_config_done_packet),
-			ADDR_SETUP_PROT,
-			TL_PROTOCOLID_SETUP,
-			TL_SETUP_SIGNO_CONFIG_DONE_MSG);
-	if (!config_done_packet)
-		goto exit_nomem;
-	config_done_packet->header.length = sizeof(struct tl_setup_config_done_msg);
-	send_packet(hw, PRIO_SETUP, &config_done_packet->header);
-
-	/* generate open packet */
-	for (port = 1; port <= NL_NUM_OF_ADDRESSES; port++) {
-		open_packet = alloc_ctrl_packet(
-				sizeof(struct ipw_setup_open_packet),
-				ADDR_SETUP_PROT,
-				TL_PROTOCOLID_SETUP,
-				TL_SETUP_SIGNO_OPEN_MSG);
-		if (!open_packet)
-			goto exit_nomem;
-		open_packet->header.length = sizeof(struct tl_setup_open_msg);
-		open_packet->body.port_no = port;
-		send_packet(hw, PRIO_SETUP, &open_packet->header);
-	}
-	for (channel_idx = 0;
-			channel_idx < NL_NUM_OF_ADDRESSES; channel_idx++) {
-		int ret;
-
-		ret = set_DTR(hw, PRIO_SETUP, channel_idx,
-			(hw->control_lines[channel_idx] &
-			 IPW_CONTROL_LINE_DTR) != 0);
-		if (ret) {
-			printk(KERN_ERR IPWIRELESS_PCCARD_NAME
-					": error setting DTR (%d)\n", ret);
-			return;
-		}
-
-		set_RTS(hw, PRIO_SETUP, channel_idx,
-			(hw->control_lines [channel_idx] &
-			 IPW_CONTROL_LINE_RTS) != 0);
-		if (ret) {
-			printk(KERN_ERR IPWIRELESS_PCCARD_NAME
-					": error setting RTS (%d)\n", ret);
-			return;
-		}
-	}
-	/*
-	 * For NDIS we assume that we are using sync PPP frames, for COM async.
-	 * This driver uses NDIS mode too. We don't bother with translation
-	 * from async -> sync PPP.
-	 */
-	info_packet = alloc_ctrl_packet(sizeof(struct ipw_setup_info_packet),
-			ADDR_SETUP_PROT,
-			TL_PROTOCOLID_SETUP,
-			TL_SETUP_SIGNO_INFO_MSG);
-	if (!info_packet)
-		goto exit_nomem;
-	info_packet->header.length = sizeof(struct tl_setup_info_msg);
-	info_packet->body.driver_type = NDISWAN_DRIVER;
-	info_packet->body.major_version = NDISWAN_DRIVER_MAJOR_VERSION;
-	info_packet->body.minor_version = NDISWAN_DRIVER_MINOR_VERSION;
-	send_packet(hw, PRIO_SETUP, &info_packet->header);
-
-	/* Initialization is now complete, so we clear the 'to_setup' flag */
-	hw->to_setup = 0;
-
-	return;
-
-exit_nomem:
-	printk(KERN_ERR IPWIRELESS_PCCARD_NAME
-			": not enough memory to alloc control packet\n");
-	hw->to_setup = -1;
-}
-
-static void handle_setup_get_version_rsp(struct ipw_hardware *hw,
-		unsigned char vers_no)
-{
-	del_timer(&hw->setup_timer);
-	hw->initializing = 0;
-	printk(KERN_INFO IPWIRELESS_PCCARD_NAME ": card is ready.\n");
-
-	if (vers_no == TL_SETUP_VERSION)
-		__handle_setup_get_version_rsp(hw);
-	else
-		printk(KERN_ERR IPWIRELESS_PCCARD_NAME
-				": invalid hardware version no %u\n",
-				(unsigned int) vers_no);
-}
-
-static void ipw_send_setup_packet(struct ipw_hardware *hw)
-{
-	struct ipw_setup_get_version_query_packet *ver_packet;
-
-	ver_packet = alloc_ctrl_packet(
-			sizeof(struct ipw_setup_get_version_query_packet),
-			ADDR_SETUP_PROT, TL_PROTOCOLID_SETUP,
-			TL_SETUP_SIGNO_GET_VERSION_QRY);
-	ver_packet->header.length = sizeof(struct tl_setup_get_version_qry);
-
-	/*
-	 * Response is handled in handle_received_SETUP_packet
-	 */
-	send_packet(hw, PRIO_SETUP, &ver_packet->header);
-}
-
-static void handle_received_SETUP_packet(struct ipw_hardware *hw,
-					 unsigned int address,
-					 const unsigned char *data, int len,
-					 int is_last)
-{
-	const union ipw_setup_rx_msg *rx_msg = (const union ipw_setup_rx_msg *) data;
-
-	if (address != ADDR_SETUP_PROT) {
-		printk(KERN_INFO IPWIRELESS_PCCARD_NAME
-		       ": setup packet has bad address %d\n", address);
-		return;
-	}
-
-	switch (rx_msg->sig_no) {
-	case TL_SETUP_SIGNO_GET_VERSION_RSP:
-		if (hw->to_setup)
-			handle_setup_get_version_rsp(hw,
-					rx_msg->version_rsp_msg.version);
-		break;
-
-	case TL_SETUP_SIGNO_OPEN_MSG:
-		if (ipwireless_debug) {
-			unsigned int channel_idx = rx_msg->open_msg.port_no - 1;
-
-			printk(KERN_INFO IPWIRELESS_PCCARD_NAME
-			       ": OPEN_MSG [channel %u] reply received\n",
-			       channel_idx);
-		}
-		break;
-
-	case TL_SETUP_SIGNO_INFO_MSG_ACK:
-		if (ipwireless_debug)
-			printk(KERN_DEBUG IPWIRELESS_PCCARD_NAME
-			       ": card successfully configured as NDISWAN\n");
-		break;
-
-	case TL_SETUP_SIGNO_REBOOT_MSG:
-		if (hw->to_setup)
-			printk(KERN_DEBUG IPWIRELESS_PCCARD_NAME
-			       ": Setup not completed - ignoring reboot msg\n");
-		else {
-			struct ipw_setup_reboot_msg_ack *packet;
-
-			printk(KERN_DEBUG IPWIRELESS_PCCARD_NAME
-			       ": Acknowledging REBOOT message\n");
-			packet = alloc_ctrl_packet(
-					sizeof(struct ipw_setup_reboot_msg_ack),
-					ADDR_SETUP_PROT, TL_PROTOCOLID_SETUP,
-					TL_SETUP_SIGNO_REBOOT_MSG_ACK);
-			packet->header.length =
-				sizeof(struct TlSetupRebootMsgAck);
-			send_packet(hw, PRIO_SETUP, &packet->header);
-			if (hw->reboot_callback)
-				hw->reboot_callback(hw->reboot_callback_data);
-		}
-		break;
-
-	default:
-		printk(KERN_INFO IPWIRELESS_PCCARD_NAME
-		       ": unknown setup message %u received\n",
-		       (unsigned int) rx_msg->sig_no);
-	}
-}
-
-static void do_close_hardware(struct ipw_hardware *hw)
-{
-	unsigned int irqn;
-
-	if (hw->hw_version == HW_VERSION_1) {
-		/* Disable TX and RX interrupts. */
-		outw(0, hw->base_port + IOIER);
-
-		/* Acknowledge any outstanding interrupt requests */
-		irqn = inw(hw->base_port + IOIR);
-		if (irqn & IR_TXINTR)
-			outw(IR_TXINTR, hw->base_port + IOIR);
-		if (irqn & IR_RXINTR)
-			outw(IR_RXINTR, hw->base_port + IOIR);
-
-		synchronize_irq(hw->irq);
-	}
-}
-
-struct ipw_hardware *ipwireless_hardware_create(void)
-{
-	int i;
-	struct ipw_hardware *hw =
-		kzalloc(sizeof(struct ipw_hardware), GFP_KERNEL);
-
-	if (!hw)
-		return NULL;
-
-	hw->irq = -1;
-	hw->initializing = 1;
-	hw->tx_ready = 1;
-	hw->rx_bytes_queued = 0;
-	hw->rx_pool_size = 0;
-	hw->last_memtx_serial = (unsigned short) 0xffff;
-	for (i = 0; i < NL_NUM_OF_PRIORITIES; i++)
-		INIT_LIST_HEAD(&hw->tx_queue[i]);
-
-	INIT_LIST_HEAD(&hw->rx_queue);
-	INIT_LIST_HEAD(&hw->rx_pool);
-	spin_lock_init(&hw->lock);
-	tasklet_init(&hw->tasklet, ipwireless_do_tasklet, (unsigned long) hw);
-	INIT_WORK(&hw->work_rx, ipw_receive_data_work);
-	setup_timer(&hw->setup_timer, ipwireless_setup_timer,
-			(unsigned long) hw);
-
-	return hw;
-}
-
-void ipwireless_init_hardware_v1(struct ipw_hardware *hw,
-		unsigned int base_port,
-		void __iomem *attr_memory,
-		void __iomem *common_memory,
-		int is_v2_card,
-		void (*reboot_callback) (void *data),
-		void *reboot_callback_data)
-{
-	if (hw->removed) {
-		hw->removed = 0;
-		enable_irq(hw->irq);
-	}
-	hw->base_port = base_port;
-	hw->hw_version = (is_v2_card ? HW_VERSION_2 : HW_VERSION_1);
-	hw->ll_mtu = (hw->hw_version == HW_VERSION_1 ? LL_MTU_V1 : LL_MTU_V2);
-	hw->memregs_CCR = (struct MEMCCR __iomem *)
-			((unsigned short __iomem *) attr_memory + 0x200);
-	hw->memory_info_regs = (struct MEMINFREG __iomem *) common_memory;
-	hw->memreg_tx = &hw->memory_info_regs->memreg_tx_new;
-	hw->reboot_callback = reboot_callback;
-	hw->reboot_callback_data = reboot_callback_data;
-}
-
-void ipwireless_init_hardware_v2_v3(struct ipw_hardware *hw)
-{
-	hw->initializing = 1;
-	hw->init_loops = 0;
-	printk(KERN_INFO IPWIRELESS_PCCARD_NAME
-	       ": waiting for card to start up...\n");
-	ipwireless_setup_timer((unsigned long) hw);
-}
-
-static void ipwireless_setup_timer(unsigned long data)
-{
-	struct ipw_hardware *hw = (struct ipw_hardware *) data;
-
-	hw->init_loops++;
-
-	if (hw->init_loops == TL_SETUP_MAX_VERSION_QRY &&
-			hw->hw_version == HW_VERSION_2 &&
-			hw->memreg_tx == &hw->memory_info_regs->memreg_tx_new) {
-		printk(KERN_INFO IPWIRELESS_PCCARD_NAME
-				": failed to startup using TX2, trying TX\n");
-
-		hw->memreg_tx = &hw->memory_info_regs->memreg_tx_old;
-		hw->init_loops = 0;
-	}
-	/* Give up after a certain number of retries */
-	if (hw->init_loops == TL_SETUP_MAX_VERSION_QRY) {
-		printk(KERN_INFO IPWIRELESS_PCCARD_NAME
-		       ": card failed to start up!\n");
-		hw->initializing = 0;
-	} else {
-		/* Do not attempt to write to the board if it is not present. */
-		if (is_card_present(hw)) {
-			unsigned long flags;
-
-			spin_lock_irqsave(&hw->lock, flags);
-			hw->to_setup = 1;
-			hw->tx_ready = 1;
-			spin_unlock_irqrestore(&hw->lock, flags);
-			tasklet_schedule(&hw->tasklet);
-		}
-
-		mod_timer(&hw->setup_timer,
-			jiffies + msecs_to_jiffies(TL_SETUP_VERSION_QRY_TMO));
-	}
-}
-
-/*
- * Stop any interrupts from executing so that, once this function returns,
- * other layers of the driver can be sure they won't get any more callbacks.
- * Thus must be called on a proper process context.
- */
-void ipwireless_stop_interrupts(struct ipw_hardware *hw)
-{
-	if (!hw->shutting_down) {
-		/* Tell everyone we are going down. */
-		hw->shutting_down = 1;
-		del_timer(&hw->setup_timer);
-
-		/* Prevent the hardware from sending any more interrupts */
-		do_close_hardware(hw);
-	}
-}
-
-void ipwireless_hardware_free(struct ipw_hardware *hw)
-{
-	int i;
-	struct ipw_rx_packet *rp, *rq;
-	struct ipw_tx_packet *tp, *tq;
-
-	ipwireless_stop_interrupts(hw);
-
-	flush_work_sync(&hw->work_rx);
-
-	for (i = 0; i < NL_NUM_OF_ADDRESSES; i++)
-		if (hw->packet_assembler[i] != NULL)
-			kfree(hw->packet_assembler[i]);
-
-	for (i = 0; i < NL_NUM_OF_PRIORITIES; i++)
-		list_for_each_entry_safe(tp, tq, &hw->tx_queue[i], queue) {
-			list_del(&tp->queue);
-			kfree(tp);
-		}
-
-	list_for_each_entry_safe(rp, rq, &hw->rx_queue, queue) {
-		list_del(&rp->queue);
-		kfree(rp);
-	}
-
-	list_for_each_entry_safe(rp, rq, &hw->rx_pool, queue) {
-		list_del(&rp->queue);
-		kfree(rp);
-	}
-	kfree(hw);
-}
-
-/*
- * Associate the specified network with this hardware, so it will receive events
- * from it.
- */
-void ipwireless_associate_network(struct ipw_hardware *hw,
-				  struct ipw_network *network)
-{
-	hw->network = network;
-}