broadcom: Move the Broadcom drivers

Moves the drivers for Broadcom devices into
drivers/net/ethernet/broadcom/ and the necessary Kconfig and Makefile
changes.

CC: Eilon Greenstein <eilong@broadcom.com>
CC: Michael Chan <mchan@broadcom.com>
CC: Matt Carlson <mcarlson@broadcom.com>
CC: Gary Zambrano <zambrano@broadcom.com>
CC: "Maciej W. Rozycki" <macro@linux-mips.org>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

1 files changed, 0 insertions, 2374 deletions

diff --git a/drivers/net/b44.c b/drivers/net/b44.c
deleted file mode 100644
index 41ea84e3f69c..000000000000
--- a/drivers/net/b44.c
+++ /dev/null
@@ -1,2374 +0,0 @@
-/* b44.c: Broadcom 44xx/47xx Fast Ethernet device driver.
- *
- * Copyright (C) 2002 David S. Miller (davem@redhat.com)
- * Copyright (C) 2004 Pekka Pietikainen (pp@ee.oulu.fi)
- * Copyright (C) 2004 Florian Schirmer (jolt@tuxbox.org)
- * Copyright (C) 2006 Felix Fietkau (nbd@openwrt.org)
- * Copyright (C) 2006 Broadcom Corporation.
- * Copyright (C) 2007 Michael Buesch <m@bues.ch>
- *
- * Distribute under GPL.
- */
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/types.h>
-#include <linux/netdevice.h>
-#include <linux/ethtool.h>
-#include <linux/mii.h>
-#include <linux/if_ether.h>
-#include <linux/if_vlan.h>
-#include <linux/etherdevice.h>
-#include <linux/pci.h>
-#include <linux/delay.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/dma-mapping.h>
-#include <linux/ssb/ssb.h>
-#include <linux/slab.h>
-
-#include <asm/uaccess.h>
-#include <asm/io.h>
-#include <asm/irq.h>
-
-
-#include "b44.h"
-
-#define DRV_MODULE_NAME		"b44"
-#define DRV_MODULE_VERSION	"2.0"
-#define DRV_DESCRIPTION		"Broadcom 44xx/47xx 10/100 PCI ethernet driver"
-
-#define B44_DEF_MSG_ENABLE	  \
-	(NETIF_MSG_DRV		| \
-	 NETIF_MSG_PROBE	| \
-	 NETIF_MSG_LINK		| \
-	 NETIF_MSG_TIMER	| \
-	 NETIF_MSG_IFDOWN	| \
-	 NETIF_MSG_IFUP		| \
-	 NETIF_MSG_RX_ERR	| \
-	 NETIF_MSG_TX_ERR)
-
-/* length of time before we decide the hardware is borked,
- * and dev->tx_timeout() should be called to fix the problem
- */
-#define B44_TX_TIMEOUT			(5 * HZ)
-
-/* hardware minimum and maximum for a single frame's data payload */
-#define B44_MIN_MTU			60
-#define B44_MAX_MTU			1500
-
-#define B44_RX_RING_SIZE		512
-#define B44_DEF_RX_RING_PENDING		200
-#define B44_RX_RING_BYTES	(sizeof(struct dma_desc) * \
-				 B44_RX_RING_SIZE)
-#define B44_TX_RING_SIZE		512
-#define B44_DEF_TX_RING_PENDING		(B44_TX_RING_SIZE - 1)
-#define B44_TX_RING_BYTES	(sizeof(struct dma_desc) * \
-				 B44_TX_RING_SIZE)
-
-#define TX_RING_GAP(BP)	\
-	(B44_TX_RING_SIZE - (BP)->tx_pending)
-#define TX_BUFFS_AVAIL(BP)						\
-	(((BP)->tx_cons <= (BP)->tx_prod) ?				\
-	  (BP)->tx_cons + (BP)->tx_pending - (BP)->tx_prod :		\
-	  (BP)->tx_cons - (BP)->tx_prod - TX_RING_GAP(BP))
-#define NEXT_TX(N)		(((N) + 1) & (B44_TX_RING_SIZE - 1))
-
-#define RX_PKT_OFFSET		(RX_HEADER_LEN + 2)
-#define RX_PKT_BUF_SZ		(1536 + RX_PKT_OFFSET)
-
-/* minimum number of free TX descriptors required to wake up TX process */
-#define B44_TX_WAKEUP_THRESH		(B44_TX_RING_SIZE / 4)
-
-/* b44 internal pattern match filter info */
-#define B44_PATTERN_BASE	0x400
-#define B44_PATTERN_SIZE	0x80
-#define B44_PMASK_BASE		0x600
-#define B44_PMASK_SIZE		0x10
-#define B44_MAX_PATTERNS	16
-#define B44_ETHIPV6UDP_HLEN	62
-#define B44_ETHIPV4UDP_HLEN	42
-
-MODULE_AUTHOR("Felix Fietkau, Florian Schirmer, Pekka Pietikainen, David S. Miller");
-MODULE_DESCRIPTION(DRV_DESCRIPTION);
-MODULE_LICENSE("GPL");
-MODULE_VERSION(DRV_MODULE_VERSION);
-
-static int b44_debug = -1;	/* -1 == use B44_DEF_MSG_ENABLE as value */
-module_param(b44_debug, int, 0);
-MODULE_PARM_DESC(b44_debug, "B44 bitmapped debugging message enable value");
-
-
-#ifdef CONFIG_B44_PCI
-static DEFINE_PCI_DEVICE_TABLE(b44_pci_tbl) = {
-	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_BCM4401) },
-	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_BCM4401B0) },
-	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_BCM4401B1) },
-	{ 0 } /* terminate list with empty entry */
-};
-MODULE_DEVICE_TABLE(pci, b44_pci_tbl);
-
-static struct pci_driver b44_pci_driver = {
-	.name		= DRV_MODULE_NAME,
-	.id_table	= b44_pci_tbl,
-};
-#endif /* CONFIG_B44_PCI */
-
-static const struct ssb_device_id b44_ssb_tbl[] = {
-	SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_ETHERNET, SSB_ANY_REV),
-	SSB_DEVTABLE_END
-};
-MODULE_DEVICE_TABLE(ssb, b44_ssb_tbl);
-
-static void b44_halt(struct b44 *);
-static void b44_init_rings(struct b44 *);
-
-#define B44_FULL_RESET		1
-#define B44_FULL_RESET_SKIP_PHY	2
-#define B44_PARTIAL_RESET	3
-#define B44_CHIP_RESET_FULL	4
-#define B44_CHIP_RESET_PARTIAL	5
-
-static void b44_init_hw(struct b44 *, int);
-
-static int dma_desc_sync_size;
-static int instance;
-
-static const char b44_gstrings[][ETH_GSTRING_LEN] = {
-#define _B44(x...)	# x,
-B44_STAT_REG_DECLARE
-#undef _B44
-};
-
-static inline void b44_sync_dma_desc_for_device(struct ssb_device *sdev,
-						dma_addr_t dma_base,
-						unsigned long offset,
-						enum dma_data_direction dir)
-{
-	dma_sync_single_for_device(sdev->dma_dev, dma_base + offset,
-				   dma_desc_sync_size, dir);
-}
-
-static inline void b44_sync_dma_desc_for_cpu(struct ssb_device *sdev,
-					     dma_addr_t dma_base,
-					     unsigned long offset,
-					     enum dma_data_direction dir)
-{
-	dma_sync_single_for_cpu(sdev->dma_dev, dma_base + offset,
-				dma_desc_sync_size, dir);
-}
-
-static inline unsigned long br32(const struct b44 *bp, unsigned long reg)
-{
-	return ssb_read32(bp->sdev, reg);
-}
-
-static inline void bw32(const struct b44 *bp,
-			unsigned long reg, unsigned long val)
-{
-	ssb_write32(bp->sdev, reg, val);
-}
-
-static int b44_wait_bit(struct b44 *bp, unsigned long reg,
-			u32 bit, unsigned long timeout, const int clear)
-{
-	unsigned long i;
-
-	for (i = 0; i < timeout; i++) {
-		u32 val = br32(bp, reg);
-
-		if (clear && !(val & bit))
-			break;
-		if (!clear && (val & bit))
-			break;
-		udelay(10);
-	}
-	if (i == timeout) {
-		if (net_ratelimit())
-			netdev_err(bp->dev, "BUG!  Timeout waiting for bit %08x of register %lx to %s\n",
-				   bit, reg, clear ? "clear" : "set");
-
-		return -ENODEV;
-	}
-	return 0;
-}
-
-static inline void __b44_cam_read(struct b44 *bp, unsigned char *data, int index)
-{
-	u32 val;
-
-	bw32(bp, B44_CAM_CTRL, (CAM_CTRL_READ |
-			    (index << CAM_CTRL_INDEX_SHIFT)));
-
-	b44_wait_bit(bp, B44_CAM_CTRL, CAM_CTRL_BUSY, 100, 1);
-
-	val = br32(bp, B44_CAM_DATA_LO);
-
-	data[2] = (val >> 24) & 0xFF;
-	data[3] = (val >> 16) & 0xFF;
-	data[4] = (val >> 8) & 0xFF;
-	data[5] = (val >> 0) & 0xFF;
-
-	val = br32(bp, B44_CAM_DATA_HI);
-
-	data[0] = (val >> 8) & 0xFF;
-	data[1] = (val >> 0) & 0xFF;
-}
-
-static inline void __b44_cam_write(struct b44 *bp, unsigned char *data, int index)
-{
-	u32 val;
-
-	val  = ((u32) data[2]) << 24;
-	val |= ((u32) data[3]) << 16;
-	val |= ((u32) data[4]) <<  8;
-	val |= ((u32) data[5]) <<  0;
-	bw32(bp, B44_CAM_DATA_LO, val);
-	val = (CAM_DATA_HI_VALID |
-	       (((u32) data[0]) << 8) |
-	       (((u32) data[1]) << 0));
-	bw32(bp, B44_CAM_DATA_HI, val);
-	bw32(bp, B44_CAM_CTRL, (CAM_CTRL_WRITE |
-			    (index << CAM_CTRL_INDEX_SHIFT)));
-	b44_wait_bit(bp, B44_CAM_CTRL, CAM_CTRL_BUSY, 100, 1);
-}
-
-static inline void __b44_disable_ints(struct b44 *bp)
-{
-	bw32(bp, B44_IMASK, 0);
-}
-
-static void b44_disable_ints(struct b44 *bp)
-{
-	__b44_disable_ints(bp);
-
-	/* Flush posted writes. */
-	br32(bp, B44_IMASK);
-}
-
-static void b44_enable_ints(struct b44 *bp)
-{
-	bw32(bp, B44_IMASK, bp->imask);
-}
-
-static int __b44_readphy(struct b44 *bp, int phy_addr, int reg, u32 *val)
-{
-	int err;
-
-	bw32(bp, B44_EMAC_ISTAT, EMAC_INT_MII);
-	bw32(bp, B44_MDIO_DATA, (MDIO_DATA_SB_START |
-			     (MDIO_OP_READ << MDIO_DATA_OP_SHIFT) |
-			     (phy_addr << MDIO_DATA_PMD_SHIFT) |
-			     (reg << MDIO_DATA_RA_SHIFT) |
-			     (MDIO_TA_VALID << MDIO_DATA_TA_SHIFT)));
-	err = b44_wait_bit(bp, B44_EMAC_ISTAT, EMAC_INT_MII, 100, 0);
-	*val = br32(bp, B44_MDIO_DATA) & MDIO_DATA_DATA;
-
-	return err;
-}
-
-static int __b44_writephy(struct b44 *bp, int phy_addr, int reg, u32 val)
-{
-	bw32(bp, B44_EMAC_ISTAT, EMAC_INT_MII);
-	bw32(bp, B44_MDIO_DATA, (MDIO_DATA_SB_START |
-			     (MDIO_OP_WRITE << MDIO_DATA_OP_SHIFT) |
-			     (phy_addr << MDIO_DATA_PMD_SHIFT) |
-			     (reg << MDIO_DATA_RA_SHIFT) |
-			     (MDIO_TA_VALID << MDIO_DATA_TA_SHIFT) |
-			     (val & MDIO_DATA_DATA)));
-	return b44_wait_bit(bp, B44_EMAC_ISTAT, EMAC_INT_MII, 100, 0);
-}
-
-static inline int b44_readphy(struct b44 *bp, int reg, u32 *val)
-{
-	if (bp->phy_addr == B44_PHY_ADDR_NO_PHY)
-		return 0;
-
-	return __b44_readphy(bp, bp->phy_addr, reg, val);
-}
-
-static inline int b44_writephy(struct b44 *bp, int reg, u32 val)
-{
-	if (bp->phy_addr == B44_PHY_ADDR_NO_PHY)
-		return 0;
-
-	return __b44_writephy(bp, bp->phy_addr, reg, val);
-}
-
-/* miilib interface */
-static int b44_mii_read(struct net_device *dev, int phy_id, int location)
-{
-	u32 val;
-	struct b44 *bp = netdev_priv(dev);
-	int rc = __b44_readphy(bp, phy_id, location, &val);
-	if (rc)
-		return 0xffffffff;
-	return val;
-}
-
-static void b44_mii_write(struct net_device *dev, int phy_id, int location,
-			 int val)
-{
-	struct b44 *bp = netdev_priv(dev);
-	__b44_writephy(bp, phy_id, location, val);
-}
-
-static int b44_phy_reset(struct b44 *bp)
-{
-	u32 val;
-	int err;
-
-	if (bp->phy_addr == B44_PHY_ADDR_NO_PHY)
-		return 0;
-	err = b44_writephy(bp, MII_BMCR, BMCR_RESET);
-	if (err)
-		return err;
-	udelay(100);
-	err = b44_readphy(bp, MII_BMCR, &val);
-	if (!err) {
-		if (val & BMCR_RESET) {
-			netdev_err(bp->dev, "PHY Reset would not complete\n");
-			err = -ENODEV;
-		}
-	}
-
-	return err;
-}
-
-static void __b44_set_flow_ctrl(struct b44 *bp, u32 pause_flags)
-{
-	u32 val;
-
-	bp->flags &= ~(B44_FLAG_TX_PAUSE | B44_FLAG_RX_PAUSE);
-	bp->flags |= pause_flags;
-
-	val = br32(bp, B44_RXCONFIG);
-	if (pause_flags & B44_FLAG_RX_PAUSE)
-		val |= RXCONFIG_FLOW;
-	else
-		val &= ~RXCONFIG_FLOW;
-	bw32(bp, B44_RXCONFIG, val);
-
-	val = br32(bp, B44_MAC_FLOW);
-	if (pause_flags & B44_FLAG_TX_PAUSE)
-		val |= (MAC_FLOW_PAUSE_ENAB |
-			(0xc0 & MAC_FLOW_RX_HI_WATER));
-	else
-		val &= ~MAC_FLOW_PAUSE_ENAB;
-	bw32(bp, B44_MAC_FLOW, val);
-}
-
-static void b44_set_flow_ctrl(struct b44 *bp, u32 local, u32 remote)
-{
-	u32 pause_enab = 0;
-
-	/* The driver supports only rx pause by default because
-	   the b44 mac tx pause mechanism generates excessive
-	   pause frames.
-	   Use ethtool to turn on b44 tx pause if necessary.
-	 */
-	if ((local & ADVERTISE_PAUSE_CAP) &&
-	    (local & ADVERTISE_PAUSE_ASYM)){
-		if ((remote & LPA_PAUSE_ASYM) &&
-		    !(remote & LPA_PAUSE_CAP))
-			pause_enab |= B44_FLAG_RX_PAUSE;
-	}
-
-	__b44_set_flow_ctrl(bp, pause_enab);
-}
-
-#ifdef CONFIG_BCM47XX
-#include <asm/mach-bcm47xx/nvram.h>
-static void b44_wap54g10_workaround(struct b44 *bp)
-{
-	char buf[20];
-	u32 val;
-	int err;
-
-	/*
-	 * workaround for bad hardware design in Linksys WAP54G v1.0
-	 * see https://dev.openwrt.org/ticket/146
-	 * check and reset bit "isolate"
-	 */
-	if (nvram_getenv("boardnum", buf, sizeof(buf)) < 0)
-		return;
-	if (simple_strtoul(buf, NULL, 0) == 2) {
-		err = __b44_readphy(bp, 0, MII_BMCR, &val);
-		if (err)
-			goto error;
-		if (!(val & BMCR_ISOLATE))
-			return;
-		val &= ~BMCR_ISOLATE;
-		err = __b44_writephy(bp, 0, MII_BMCR, val);
-		if (err)
-			goto error;
-	}
-	return;
-error:
-	pr_warning("PHY: cannot reset MII transceiver isolate bit\n");
-}
-#else
-static inline void b44_wap54g10_workaround(struct b44 *bp)
-{
-}
-#endif
-
-static int b44_setup_phy(struct b44 *bp)
-{
-	u32 val;
-	int err;
-
-	b44_wap54g10_workaround(bp);
-
-	if (bp->phy_addr == B44_PHY_ADDR_NO_PHY)
-		return 0;
-	if ((err = b44_readphy(bp, B44_MII_ALEDCTRL, &val)) != 0)
-		goto out;
-	if ((err = b44_writephy(bp, B44_MII_ALEDCTRL,
-				val & MII_ALEDCTRL_ALLMSK)) != 0)
-		goto out;
-	if ((err = b44_readphy(bp, B44_MII_TLEDCTRL, &val)) != 0)
-		goto out;
-	if ((err = b44_writephy(bp, B44_MII_TLEDCTRL,
-				val | MII_TLEDCTRL_ENABLE)) != 0)
-		goto out;
-
-	if (!(bp->flags & B44_FLAG_FORCE_LINK)) {
-		u32 adv = ADVERTISE_CSMA;
-
-		if (bp->flags & B44_FLAG_ADV_10HALF)
-			adv |= ADVERTISE_10HALF;
-		if (bp->flags & B44_FLAG_ADV_10FULL)
-			adv |= ADVERTISE_10FULL;
-		if (bp->flags & B44_FLAG_ADV_100HALF)
-			adv |= ADVERTISE_100HALF;
-		if (bp->flags & B44_FLAG_ADV_100FULL)
-			adv |= ADVERTISE_100FULL;
-
-		if (bp->flags & B44_FLAG_PAUSE_AUTO)
-			adv |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
-
-		if ((err = b44_writephy(bp, MII_ADVERTISE, adv)) != 0)
-			goto out;
-		if ((err = b44_writephy(bp, MII_BMCR, (BMCR_ANENABLE |
-						       BMCR_ANRESTART))) != 0)
-			goto out;
-	} else {
-		u32 bmcr;
-
-		if ((err = b44_readphy(bp, MII_BMCR, &bmcr)) != 0)
-			goto out;
-		bmcr &= ~(BMCR_FULLDPLX | BMCR_ANENABLE | BMCR_SPEED100);
-		if (bp->flags & B44_FLAG_100_BASE_T)
-			bmcr |= BMCR_SPEED100;
-		if (bp->flags & B44_FLAG_FULL_DUPLEX)
-			bmcr |= BMCR_FULLDPLX;
-		if ((err = b44_writephy(bp, MII_BMCR, bmcr)) != 0)
-			goto out;
-
-		/* Since we will not be negotiating there is no safe way
-		 * to determine if the link partner supports flow control
-		 * or not.  So just disable it completely in this case.
-		 */
-		b44_set_flow_ctrl(bp, 0, 0);
-	}
-
-out:
-	return err;
-}
-
-static void b44_stats_update(struct b44 *bp)
-{
-	unsigned long reg;
-	u32 *val;
-
-	val = &bp->hw_stats.tx_good_octets;
-	for (reg = B44_TX_GOOD_O; reg <= B44_TX_PAUSE; reg += 4UL) {
-		*val++ += br32(bp, reg);
-	}
-
-	/* Pad */
-	reg += 8*4UL;
-
-	for (reg = B44_RX_GOOD_O; reg <= B44_RX_NPAUSE; reg += 4UL) {
-		*val++ += br32(bp, reg);
-	}
-}
-
-static void b44_link_report(struct b44 *bp)
-{
-	if (!netif_carrier_ok(bp->dev)) {
-		netdev_info(bp->dev, "Link is down\n");
-	} else {
-		netdev_info(bp->dev, "Link is up at %d Mbps, %s duplex\n",
-			    (bp->flags & B44_FLAG_100_BASE_T) ? 100 : 10,
-			    (bp->flags & B44_FLAG_FULL_DUPLEX) ? "full" : "half");
-
-		netdev_info(bp->dev, "Flow control is %s for TX and %s for RX\n",
-			    (bp->flags & B44_FLAG_TX_PAUSE) ? "on" : "off",
-			    (bp->flags & B44_FLAG_RX_PAUSE) ? "on" : "off");
-	}
-}
-
-static void b44_check_phy(struct b44 *bp)
-{
-	u32 bmsr, aux;
-
-	if (bp->phy_addr == B44_PHY_ADDR_NO_PHY) {
-		bp->flags |= B44_FLAG_100_BASE_T;
-		bp->flags |= B44_FLAG_FULL_DUPLEX;
-		if (!netif_carrier_ok(bp->dev)) {
-			u32 val = br32(bp, B44_TX_CTRL);
-			val |= TX_CTRL_DUPLEX;
-			bw32(bp, B44_TX_CTRL, val);
-			netif_carrier_on(bp->dev);
-			b44_link_report(bp);
-		}
-		return;
-	}
-
-	if (!b44_readphy(bp, MII_BMSR, &bmsr) &&
-	    !b44_readphy(bp, B44_MII_AUXCTRL, &aux) &&
-	    (bmsr != 0xffff)) {
-		if (aux & MII_AUXCTRL_SPEED)
-			bp->flags |= B44_FLAG_100_BASE_T;
-		else
-			bp->flags &= ~B44_FLAG_100_BASE_T;
-		if (aux & MII_AUXCTRL_DUPLEX)
-			bp->flags |= B44_FLAG_FULL_DUPLEX;
-		else
-			bp->flags &= ~B44_FLAG_FULL_DUPLEX;
-
-		if (!netif_carrier_ok(bp->dev) &&
-		    (bmsr & BMSR_LSTATUS)) {
-			u32 val = br32(bp, B44_TX_CTRL);
-			u32 local_adv, remote_adv;
-
-			if (bp->flags & B44_FLAG_FULL_DUPLEX)
-				val |= TX_CTRL_DUPLEX;
-			else
-				val &= ~TX_CTRL_DUPLEX;
-			bw32(bp, B44_TX_CTRL, val);
-
-			if (!(bp->flags & B44_FLAG_FORCE_LINK) &&
-			    !b44_readphy(bp, MII_ADVERTISE, &local_adv) &&
-			    !b44_readphy(bp, MII_LPA, &remote_adv))
-				b44_set_flow_ctrl(bp, local_adv, remote_adv);
-
-			/* Link now up */
-			netif_carrier_on(bp->dev);
-			b44_link_report(bp);
-		} else if (netif_carrier_ok(bp->dev) && !(bmsr & BMSR_LSTATUS)) {
-			/* Link now down */
-			netif_carrier_off(bp->dev);
-			b44_link_report(bp);
-		}
-
-		if (bmsr & BMSR_RFAULT)
-			netdev_warn(bp->dev, "Remote fault detected in PHY\n");
-		if (bmsr & BMSR_JCD)
-			netdev_warn(bp->dev, "Jabber detected in PHY\n");
-	}
-}
-
-static void b44_timer(unsigned long __opaque)
-{
-	struct b44 *bp = (struct b44 *) __opaque;
-
-	spin_lock_irq(&bp->lock);
-
-	b44_check_phy(bp);
-
-	b44_stats_update(bp);
-
-	spin_unlock_irq(&bp->lock);
-
-	mod_timer(&bp->timer, round_jiffies(jiffies + HZ));
-}
-
-static void b44_tx(struct b44 *bp)
-{
-	u32 cur, cons;
-
-	cur  = br32(bp, B44_DMATX_STAT) & DMATX_STAT_CDMASK;
-	cur /= sizeof(struct dma_desc);
-
-	/* XXX needs updating when NETIF_F_SG is supported */
-	for (cons = bp->tx_cons; cons != cur; cons = NEXT_TX(cons)) {
-		struct ring_info *rp = &bp->tx_buffers[cons];
-		struct sk_buff *skb = rp->skb;
-
-		BUG_ON(skb == NULL);
-
-		dma_unmap_single(bp->sdev->dma_dev,
-				 rp->mapping,
-				 skb->len,
-				 DMA_TO_DEVICE);
-		rp->skb = NULL;
-		dev_kfree_skb(skb);
-	}
-
-	bp->tx_cons = cons;
-	if (netif_queue_stopped(bp->dev) &&
-	    TX_BUFFS_AVAIL(bp) > B44_TX_WAKEUP_THRESH)
-		netif_wake_queue(bp->dev);
-
-	bw32(bp, B44_GPTIMER, 0);
-}
-
-/* Works like this.  This chip writes a 'struct rx_header" 30 bytes
- * before the DMA address you give it.  So we allocate 30 more bytes
- * for the RX buffer, DMA map all of it, skb_reserve the 30 bytes, then
- * point the chip at 30 bytes past where the rx_header will go.
- */
-static int b44_alloc_rx_skb(struct b44 *bp, int src_idx, u32 dest_idx_unmasked)
-{
-	struct dma_desc *dp;
-	struct ring_info *src_map, *map;
-	struct rx_header *rh;
-	struct sk_buff *skb;
-	dma_addr_t mapping;
-	int dest_idx;
-	u32 ctrl;
-
-	src_map = NULL;
-	if (src_idx >= 0)
-		src_map = &bp->rx_buffers[src_idx];
-	dest_idx = dest_idx_unmasked & (B44_RX_RING_SIZE - 1);
-	map = &bp->rx_buffers[dest_idx];
-	skb = netdev_alloc_skb(bp->dev, RX_PKT_BUF_SZ);
-	if (skb == NULL)
-		return -ENOMEM;
-
-	mapping = dma_map_single(bp->sdev->dma_dev, skb->data,
-				 RX_PKT_BUF_SZ,
-				 DMA_FROM_DEVICE);
-
-	/* Hardware bug work-around, the chip is unable to do PCI DMA
-	   to/from anything above 1GB :-( */
-	if (dma_mapping_error(bp->sdev->dma_dev, mapping) ||
-		mapping + RX_PKT_BUF_SZ > DMA_BIT_MASK(30)) {
-		/* Sigh... */
-		if (!dma_mapping_error(bp->sdev->dma_dev, mapping))
-			dma_unmap_single(bp->sdev->dma_dev, mapping,
-					     RX_PKT_BUF_SZ, DMA_FROM_DEVICE);
-		dev_kfree_skb_any(skb);
-		skb = __netdev_alloc_skb(bp->dev, RX_PKT_BUF_SZ, GFP_ATOMIC|GFP_DMA);
-		if (skb == NULL)
-			return -ENOMEM;
-		mapping = dma_map_single(bp->sdev->dma_dev, skb->data,
-					 RX_PKT_BUF_SZ,
-					 DMA_FROM_DEVICE);
-		if (dma_mapping_error(bp->sdev->dma_dev, mapping) ||
-		    mapping + RX_PKT_BUF_SZ > DMA_BIT_MASK(30)) {
-			if (!dma_mapping_error(bp->sdev->dma_dev, mapping))
-				dma_unmap_single(bp->sdev->dma_dev, mapping, RX_PKT_BUF_SZ,DMA_FROM_DEVICE);
-			dev_kfree_skb_any(skb);
-			return -ENOMEM;
-		}
-		bp->force_copybreak = 1;
-	}
-
-	rh = (struct rx_header *) skb->data;
-
-	rh->len = 0;
-	rh->flags = 0;
-
-	map->skb = skb;
-	map->mapping = mapping;
-
-	if (src_map != NULL)
-		src_map->skb = NULL;
-
-	ctrl = (DESC_CTRL_LEN & RX_PKT_BUF_SZ);
-	if (dest_idx == (B44_RX_RING_SIZE - 1))
-		ctrl |= DESC_CTRL_EOT;
-
-	dp = &bp->rx_ring[dest_idx];
-	dp->ctrl = cpu_to_le32(ctrl);
-	dp->addr = cpu_to_le32((u32) mapping + bp->dma_offset);
-
-	if (bp->flags & B44_FLAG_RX_RING_HACK)
-		b44_sync_dma_desc_for_device(bp->sdev, bp->rx_ring_dma,
-			                    dest_idx * sizeof(*dp),
-			                    DMA_BIDIRECTIONAL);
-
-	return RX_PKT_BUF_SZ;
-}
-
-static void b44_recycle_rx(struct b44 *bp, int src_idx, u32 dest_idx_unmasked)
-{
-	struct dma_desc *src_desc, *dest_desc;
-	struct ring_info *src_map, *dest_map;
-	struct rx_header *rh;
-	int dest_idx;
-	__le32 ctrl;
-
-	dest_idx = dest_idx_unmasked & (B44_RX_RING_SIZE - 1);
-	dest_desc = &bp->rx_ring[dest_idx];
-	dest_map = &bp->rx_buffers[dest_idx];
-	src_desc = &bp->rx_ring[src_idx];
-	src_map = &bp->rx_buffers[src_idx];
-
-	dest_map->skb = src_map->skb;
-	rh = (struct rx_header *) src_map->skb->data;
-	rh->len = 0;
-	rh->flags = 0;
-	dest_map->mapping = src_map->mapping;
-
-	if (bp->flags & B44_FLAG_RX_RING_HACK)
-		b44_sync_dma_desc_for_cpu(bp->sdev, bp->rx_ring_dma,
-			                 src_idx * sizeof(*src_desc),
-			                 DMA_BIDIRECTIONAL);
-
-	ctrl = src_desc->ctrl;
-	if (dest_idx == (B44_RX_RING_SIZE - 1))
-		ctrl |= cpu_to_le32(DESC_CTRL_EOT);
-	else
-		ctrl &= cpu_to_le32(~DESC_CTRL_EOT);
-
-	dest_desc->ctrl = ctrl;
-	dest_desc->addr = src_desc->addr;
-
-	src_map->skb = NULL;
-
-	if (bp->flags & B44_FLAG_RX_RING_HACK)
-		b44_sync_dma_desc_for_device(bp->sdev, bp->rx_ring_dma,
-					     dest_idx * sizeof(*dest_desc),
-					     DMA_BIDIRECTIONAL);
-
-	dma_sync_single_for_device(bp->sdev->dma_dev, dest_map->mapping,
-				   RX_PKT_BUF_SZ,
-				   DMA_FROM_DEVICE);
-}
-
-static int b44_rx(struct b44 *bp, int budget)
-{
-	int received;
-	u32 cons, prod;
-
-	received = 0;
-	prod  = br32(bp, B44_DMARX_STAT) & DMARX_STAT_CDMASK;
-	prod /= sizeof(struct dma_desc);
-	cons = bp->rx_cons;
-
-	while (cons != prod && budget > 0) {
-		struct ring_info *rp = &bp->rx_buffers[cons];
-		struct sk_buff *skb = rp->skb;
-		dma_addr_t map = rp->mapping;
-		struct rx_header *rh;
-		u16 len;
-
-		dma_sync_single_for_cpu(bp->sdev->dma_dev, map,
-					RX_PKT_BUF_SZ,
-					DMA_FROM_DEVICE);
-		rh = (struct rx_header *) skb->data;
-		len = le16_to_cpu(rh->len);
-		if ((len > (RX_PKT_BUF_SZ - RX_PKT_OFFSET)) ||
-		    (rh->flags & cpu_to_le16(RX_FLAG_ERRORS))) {
-		drop_it:
-			b44_recycle_rx(bp, cons, bp->rx_prod);
-		drop_it_no_recycle:
-			bp->dev->stats.rx_dropped++;
-			goto next_pkt;
-		}
-
-		if (len == 0) {
-			int i = 0;
-
-			do {
-				udelay(2);
-				barrier();
-				len = le16_to_cpu(rh->len);
-			} while (len == 0 && i++ < 5);
-			if (len == 0)
-				goto drop_it;
-		}
-
-		/* Omit CRC. */
-		len -= 4;
-
-		if (!bp->force_copybreak && len > RX_COPY_THRESHOLD) {
-			int skb_size;
-			skb_size = b44_alloc_rx_skb(bp, cons, bp->rx_prod);
-			if (skb_size < 0)
-				goto drop_it;
-			dma_unmap_single(bp->sdev->dma_dev, map,
-					 skb_size, DMA_FROM_DEVICE);
-			/* Leave out rx_header */
-			skb_put(skb, len + RX_PKT_OFFSET);
-			skb_pull(skb, RX_PKT_OFFSET);
-		} else {
-			struct sk_buff *copy_skb;
-
-			b44_recycle_rx(bp, cons, bp->rx_prod);
-			copy_skb = netdev_alloc_skb(bp->dev, len + 2);
-			if (copy_skb == NULL)
-				goto drop_it_no_recycle;
-
-			skb_reserve(copy_skb, 2);
-			skb_put(copy_skb, len);
-			/* DMA sync done above, copy just the actual packet */
-			skb_copy_from_linear_data_offset(skb, RX_PKT_OFFSET,
-							 copy_skb->data, len);
-			skb = copy_skb;
-		}
-		skb_checksum_none_assert(skb);
-		skb->protocol = eth_type_trans(skb, bp->dev);
-		netif_receive_skb(skb);
-		received++;
-		budget--;
-	next_pkt:
-		bp->rx_prod = (bp->rx_prod + 1) &
-			(B44_RX_RING_SIZE - 1);
-		cons = (cons + 1) & (B44_RX_RING_SIZE - 1);
-	}
-
-	bp->rx_cons = cons;
-	bw32(bp, B44_DMARX_PTR, cons * sizeof(struct dma_desc));
-
-	return received;
-}
-
-static int b44_poll(struct napi_struct *napi, int budget)
-{
-	struct b44 *bp = container_of(napi, struct b44, napi);
-	int work_done;
-	unsigned long flags;
-
-	spin_lock_irqsave(&bp->lock, flags);
-
-	if (bp->istat & (ISTAT_TX | ISTAT_TO)) {
-		/* spin_lock(&bp->tx_lock); */
-		b44_tx(bp);
-		/* spin_unlock(&bp->tx_lock); */
-	}
-	if (bp->istat & ISTAT_RFO) {	/* fast recovery, in ~20msec */
-		bp->istat &= ~ISTAT_RFO;
-		b44_disable_ints(bp);
-		ssb_device_enable(bp->sdev, 0); /* resets ISTAT_RFO */
-		b44_init_rings(bp);
-		b44_init_hw(bp, B44_FULL_RESET_SKIP_PHY);
-		netif_wake_queue(bp->dev);
-	}
-
-	spin_unlock_irqrestore(&bp->lock, flags);
-
-	work_done = 0;
-	if (bp->istat & ISTAT_RX)
-		work_done += b44_rx(bp, budget);
-
-	if (bp->istat & ISTAT_ERRORS) {
-		spin_lock_irqsave(&bp->lock, flags);
-		b44_halt(bp);
-		b44_init_rings(bp);
-		b44_init_hw(bp, B44_FULL_RESET_SKIP_PHY);
-		netif_wake_queue(bp->dev);
-		spin_unlock_irqrestore(&bp->lock, flags);
-		work_done = 0;
-	}
-
-	if (work_done < budget) {
-		napi_complete(napi);
-		b44_enable_ints(bp);
-	}
-
-	return work_done;
-}
-
-static irqreturn_t b44_interrupt(int irq, void *dev_id)
-{
-	struct net_device *dev = dev_id;
-	struct b44 *bp = netdev_priv(dev);
-	u32 istat, imask;
-	int handled = 0;
-
-	spin_lock(&bp->lock);
-
-	istat = br32(bp, B44_ISTAT);
-	imask = br32(bp, B44_IMASK);
-
-	/* The interrupt mask register controls which interrupt bits
-	 * will actually raise an interrupt to the CPU when set by hw/firmware,
-	 * but doesn't mask off the bits.
-	 */
-	istat &= imask;
-	if (istat) {
-		handled = 1;
-
-		if (unlikely(!netif_running(dev))) {
-			netdev_info(dev, "late interrupt\n");
-			goto irq_ack;
-		}
-
-		if (napi_schedule_prep(&bp->napi)) {
-			/* NOTE: These writes are posted by the readback of
-			 *       the ISTAT register below.
-			 */
-			bp->istat = istat;
-			__b44_disable_ints(bp);
-			__napi_schedule(&bp->napi);
-		}
-
-irq_ack:
-		bw32(bp, B44_ISTAT, istat);
-		br32(bp, B44_ISTAT);
-	}
-	spin_unlock(&bp->lock);
-	return IRQ_RETVAL(handled);
-}
-
-static void b44_tx_timeout(struct net_device *dev)
-{
-	struct b44 *bp = netdev_priv(dev);
-
-	netdev_err(dev, "transmit timed out, resetting\n");
-
-	spin_lock_irq(&bp->lock);
-
-	b44_halt(bp);
-	b44_init_rings(bp);
-	b44_init_hw(bp, B44_FULL_RESET);
-
-	spin_unlock_irq(&bp->lock);
-
-	b44_enable_ints(bp);
-
-	netif_wake_queue(dev);
-}
-
-static netdev_tx_t b44_start_xmit(struct sk_buff *skb, struct net_device *dev)
-{
-	struct b44 *bp = netdev_priv(dev);
-	int rc = NETDEV_TX_OK;
-	dma_addr_t mapping;
-	u32 len, entry, ctrl;
-	unsigned long flags;
-
-	len = skb->len;
-	spin_lock_irqsave(&bp->lock, flags);
-
-	/* This is a hard error, log it. */
-	if (unlikely(TX_BUFFS_AVAIL(bp) < 1)) {
-		netif_stop_queue(dev);
-		netdev_err(dev, "BUG! Tx Ring full when queue awake!\n");
-		goto err_out;
-	}
-
-	mapping = dma_map_single(bp->sdev->dma_dev, skb->data, len, DMA_TO_DEVICE);
-	if (dma_mapping_error(bp->sdev->dma_dev, mapping) || mapping + len > DMA_BIT_MASK(30)) {
-		struct sk_buff *bounce_skb;
-
-		/* Chip can't handle DMA to/from >1GB, use bounce buffer */
-		if (!dma_mapping_error(bp->sdev->dma_dev, mapping))
-			dma_unmap_single(bp->sdev->dma_dev, mapping, len,
-					     DMA_TO_DEVICE);
-
-		bounce_skb = __netdev_alloc_skb(dev, len, GFP_ATOMIC | GFP_DMA);
-		if (!bounce_skb)
-			goto err_out;
-
-		mapping = dma_map_single(bp->sdev->dma_dev, bounce_skb->data,
-					 len, DMA_TO_DEVICE);
-		if (dma_mapping_error(bp->sdev->dma_dev, mapping) || mapping + len > DMA_BIT_MASK(30)) {
-			if (!dma_mapping_error(bp->sdev->dma_dev, mapping))
-				dma_unmap_single(bp->sdev->dma_dev, mapping,
-						     len, DMA_TO_DEVICE);
-			dev_kfree_skb_any(bounce_skb);
-			goto err_out;
-		}
-
-		skb_copy_from_linear_data(skb, skb_put(bounce_skb, len), len);
-		dev_kfree_skb_any(skb);
-		skb = bounce_skb;
-	}
-
-	entry = bp->tx_prod;
-	bp->tx_buffers[entry].skb = skb;
-	bp->tx_buffers[entry].mapping = mapping;
-
-	ctrl  = (len & DESC_CTRL_LEN);
-	ctrl |= DESC_CTRL_IOC | DESC_CTRL_SOF | DESC_CTRL_EOF;
-	if (entry == (B44_TX_RING_SIZE - 1))
-		ctrl |= DESC_CTRL_EOT;
-
-	bp->tx_ring[entry].ctrl = cpu_to_le32(ctrl);
-	bp->tx_ring[entry].addr = cpu_to_le32((u32) mapping+bp->dma_offset);
-
-	if (bp->flags & B44_FLAG_TX_RING_HACK)
-		b44_sync_dma_desc_for_device(bp->sdev, bp->tx_ring_dma,
-			                    entry * sizeof(bp->tx_ring[0]),
-			                    DMA_TO_DEVICE);
-
-	entry = NEXT_TX(entry);
-
-	bp->tx_prod = entry;
-
-	wmb();
-
-	bw32(bp, B44_DMATX_PTR, entry * sizeof(struct dma_desc));
-	if (bp->flags & B44_FLAG_BUGGY_TXPTR)
-		bw32(bp, B44_DMATX_PTR, entry * sizeof(struct dma_desc));
-	if (bp->flags & B44_FLAG_REORDER_BUG)
-		br32(bp, B44_DMATX_PTR);
-
-	if (TX_BUFFS_AVAIL(bp) < 1)
-		netif_stop_queue(dev);
-
-out_unlock:
-	spin_unlock_irqrestore(&bp->lock, flags);
-
-	return rc;
-
-err_out:
-	rc = NETDEV_TX_BUSY;
-	goto out_unlock;
-}
-
-static int b44_change_mtu(struct net_device *dev, int new_mtu)
-{
-	struct b44 *bp = netdev_priv(dev);
-
-	if (new_mtu < B44_MIN_MTU || new_mtu > B44_MAX_MTU)
-		return -EINVAL;
-
-	if (!netif_running(dev)) {
-		/* We'll just catch it later when the
-		 * device is up'd.
-		 */
-		dev->mtu = new_mtu;
-		return 0;
-	}
-
-	spin_lock_irq(&bp->lock);
-	b44_halt(bp);
-	dev->mtu = new_mtu;
-	b44_init_rings(bp);
-	b44_init_hw(bp, B44_FULL_RESET);
-	spin_unlock_irq(&bp->lock);
-
-	b44_enable_ints(bp);
-
-	return 0;
-}
-
-/* Free up pending packets in all rx/tx rings.
- *
- * The chip has been shut down and the driver detached from
- * the networking, so no interrupts or new tx packets will
- * end up in the driver.  bp->lock is not held and we are not
- * in an interrupt context and thus may sleep.
- */
-static void b44_free_rings(struct b44 *bp)
-{
-	struct ring_info *rp;
-	int i;
-
-	for (i = 0; i < B44_RX_RING_SIZE; i++) {
-		rp = &bp->rx_buffers[i];
-
-		if (rp->skb == NULL)
-			continue;
-		dma_unmap_single(bp->sdev->dma_dev, rp->mapping, RX_PKT_BUF_SZ,
-				 DMA_FROM_DEVICE);
-		dev_kfree_skb_any(rp->skb);
-		rp->skb = NULL;
-	}
-
-	/* XXX needs changes once NETIF_F_SG is set... */
-	for (i = 0; i < B44_TX_RING_SIZE; i++) {
-		rp = &bp->tx_buffers[i];
-
-		if (rp->skb == NULL)
-			continue;
-		dma_unmap_single(bp->sdev->dma_dev, rp->mapping, rp->skb->len,
-				 DMA_TO_DEVICE);
-		dev_kfree_skb_any(rp->skb);
-		rp->skb = NULL;
-	}
-}
-
-/* Initialize tx/rx rings for packet processing.
- *
- * The chip has been shut down and the driver detached from
- * the networking, so no interrupts or new tx packets will
- * end up in the driver.
- */
-static void b44_init_rings(struct b44 *bp)
-{
-	int i;
-
-	b44_free_rings(bp);
-
-	memset(bp->rx_ring, 0, B44_RX_RING_BYTES);
-	memset(bp->tx_ring, 0, B44_TX_RING_BYTES);
-
-	if (bp->flags & B44_FLAG_RX_RING_HACK)
-		dma_sync_single_for_device(bp->sdev->dma_dev, bp->rx_ring_dma,
-					   DMA_TABLE_BYTES, DMA_BIDIRECTIONAL);
-
-	if (bp->flags & B44_FLAG_TX_RING_HACK)
-		dma_sync_single_for_device(bp->sdev->dma_dev, bp->tx_ring_dma,
-					   DMA_TABLE_BYTES, DMA_TO_DEVICE);
-
-	for (i = 0; i < bp->rx_pending; i++) {
-		if (b44_alloc_rx_skb(bp, -1, i) < 0)
-			break;
-	}
-}
-
-/*
- * Must not be invoked with interrupt sources disabled and
- * the hardware shutdown down.
- */
-static void b44_free_consistent(struct b44 *bp)
-{
-	kfree(bp->rx_buffers);
-	bp->rx_buffers = NULL;
-	kfree(bp->tx_buffers);
-	bp->tx_buffers = NULL;
-	if (bp->rx_ring) {
-		if (bp->flags & B44_FLAG_RX_RING_HACK) {
-			dma_unmap_single(bp->sdev->dma_dev, bp->rx_ring_dma,
-					 DMA_TABLE_BYTES, DMA_BIDIRECTIONAL);
-			kfree(bp->rx_ring);
-		} else
-			dma_free_coherent(bp->sdev->dma_dev, DMA_TABLE_BYTES,
-					  bp->rx_ring, bp->rx_ring_dma);
-		bp->rx_ring = NULL;
-		bp->flags &= ~B44_FLAG_RX_RING_HACK;
-	}
-	if (bp->tx_ring) {
-		if (bp->flags & B44_FLAG_TX_RING_HACK) {
-			dma_unmap_single(bp->sdev->dma_dev, bp->tx_ring_dma,
-					 DMA_TABLE_BYTES, DMA_TO_DEVICE);
-			kfree(bp->tx_ring);
-		} else
-			dma_free_coherent(bp->sdev->dma_dev, DMA_TABLE_BYTES,
-					  bp->tx_ring, bp->tx_ring_dma);
-		bp->tx_ring = NULL;
-		bp->flags &= ~B44_FLAG_TX_RING_HACK;
-	}
-}
-
-/*
- * Must not be invoked with interrupt sources disabled and
- * the hardware shutdown down.  Can sleep.
- */
-static int b44_alloc_consistent(struct b44 *bp, gfp_t gfp)
-{
-	int size;
-
-	size  = B44_RX_RING_SIZE * sizeof(struct ring_info);
-	bp->rx_buffers = kzalloc(size, gfp);
-	if (!bp->rx_buffers)
-		goto out_err;
-
-	size = B44_TX_RING_SIZE * sizeof(struct ring_info);
-	bp->tx_buffers = kzalloc(size, gfp);
-	if (!bp->tx_buffers)
-		goto out_err;
-
-	size = DMA_TABLE_BYTES;
-	bp->rx_ring = dma_alloc_coherent(bp->sdev->dma_dev, size,
-					 &bp->rx_ring_dma, gfp);
-	if (!bp->rx_ring) {
-		/* Allocation may have failed due to pci_alloc_consistent
-		   insisting on use of GFP_DMA, which is more restrictive
-		   than necessary...  */
-		struct dma_desc *rx_ring;
-		dma_addr_t rx_ring_dma;
-
-		rx_ring = kzalloc(size, gfp);
-		if (!rx_ring)
-			goto out_err;
-
-		rx_ring_dma = dma_map_single(bp->sdev->dma_dev, rx_ring,
-					     DMA_TABLE_BYTES,
-					     DMA_BIDIRECTIONAL);
-
-		if (dma_mapping_error(bp->sdev->dma_dev, rx_ring_dma) ||
-			rx_ring_dma + size > DMA_BIT_MASK(30)) {
-			kfree(rx_ring);
-			goto out_err;
-		}
-
-		bp->rx_ring = rx_ring;
-		bp->rx_ring_dma = rx_ring_dma;
-		bp->flags |= B44_FLAG_RX_RING_HACK;
-	}
-
-	bp->tx_ring = dma_alloc_coherent(bp->sdev->dma_dev, size,
-					 &bp->tx_ring_dma, gfp);
-	if (!bp->tx_ring) {
-		/* Allocation may have failed due to ssb_dma_alloc_consistent
-		   insisting on use of GFP_DMA, which is more restrictive
-		   than necessary...  */
-		struct dma_desc *tx_ring;
-		dma_addr_t tx_ring_dma;
-
-		tx_ring = kzalloc(size, gfp);
-		if (!tx_ring)
-			goto out_err;
-
-		tx_ring_dma = dma_map_single(bp->sdev->dma_dev, tx_ring,
-					     DMA_TABLE_BYTES,
-					     DMA_TO_DEVICE);
-
-		if (dma_mapping_error(bp->sdev->dma_dev, tx_ring_dma) ||
-			tx_ring_dma + size > DMA_BIT_MASK(30)) {
-			kfree(tx_ring);
-			goto out_err;
-		}
-
-		bp->tx_ring = tx_ring;
-		bp->tx_ring_dma = tx_ring_dma;
-		bp->flags |= B44_FLAG_TX_RING_HACK;
-	}
-
-	return 0;
-
-out_err:
-	b44_free_consistent(bp);
-	return -ENOMEM;
-}
-
-/* bp->lock is held. */
-static void b44_clear_stats(struct b44 *bp)
-{
-	unsigned long reg;
-
-	bw32(bp, B44_MIB_CTRL, MIB_CTRL_CLR_ON_READ);
-	for (reg = B44_TX_GOOD_O; reg <= B44_TX_PAUSE; reg += 4UL)
-		br32(bp, reg);
-	for (reg = B44_RX_GOOD_O; reg <= B44_RX_NPAUSE; reg += 4UL)
-		br32(bp, reg);
-}
-
-/* bp->lock is held. */
-static void b44_chip_reset(struct b44 *bp, int reset_kind)
-{
-	struct ssb_device *sdev = bp->sdev;
-	bool was_enabled;
-
-	was_enabled = ssb_device_is_enabled(bp->sdev);
-
-	ssb_device_enable(bp->sdev, 0);
-	ssb_pcicore_dev_irqvecs_enable(&sdev->bus->pcicore, sdev);
-
-	if (was_enabled) {
-		bw32(bp, B44_RCV_LAZY, 0);
-		bw32(bp, B44_ENET_CTRL, ENET_CTRL_DISABLE);
-		b44_wait_bit(bp, B44_ENET_CTRL, ENET_CTRL_DISABLE, 200, 1);
-		bw32(bp, B44_DMATX_CTRL, 0);
-		bp->tx_prod = bp->tx_cons = 0;
-		if (br32(bp, B44_DMARX_STAT) & DMARX_STAT_EMASK) {
-			b44_wait_bit(bp, B44_DMARX_STAT, DMARX_STAT_SIDLE,
-				     100, 0);
-		}
-		bw32(bp, B44_DMARX_CTRL, 0);
-		bp->rx_prod = bp->rx_cons = 0;
-	}
-
-	b44_clear_stats(bp);
-
-	/*
-	 * Don't enable PHY if we are doing a partial reset
-	 * we are probably going to power down
-	 */
-	if (reset_kind == B44_CHIP_RESET_PARTIAL)
-		return;
-
-	switch (sdev->bus->bustype) {
-	case SSB_BUSTYPE_SSB:
-		bw32(bp, B44_MDIO_CTRL, (MDIO_CTRL_PREAMBLE |
-		     (DIV_ROUND_CLOSEST(ssb_clockspeed(sdev->bus),
-					B44_MDC_RATIO)
-		     & MDIO_CTRL_MAXF_MASK)));
-		break;
-	case SSB_BUSTYPE_PCI:
-		bw32(bp, B44_MDIO_CTRL, (MDIO_CTRL_PREAMBLE |
-		     (0x0d & MDIO_CTRL_MAXF_MASK)));
-		break;
-	case SSB_BUSTYPE_PCMCIA:
-	case SSB_BUSTYPE_SDIO:
-		WARN_ON(1); /* A device with this bus does not exist. */
-		break;
-	}
-
-	br32(bp, B44_MDIO_CTRL);
-
-	if (!(br32(bp, B44_DEVCTRL) & DEVCTRL_IPP)) {
-		bw32(bp, B44_ENET_CTRL, ENET_CTRL_EPSEL);
-		br32(bp, B44_ENET_CTRL);
-		bp->flags &= ~B44_FLAG_INTERNAL_PHY;
-	} else {
-		u32 val = br32(bp, B44_DEVCTRL);
-
-		if (val & DEVCTRL_EPR) {
-			bw32(bp, B44_DEVCTRL, (val & ~DEVCTRL_EPR));
-			br32(bp, B44_DEVCTRL);
-			udelay(100);
-		}
-		bp->flags |= B44_FLAG_INTERNAL_PHY;
-	}
-}
-
-/* bp->lock is held. */
-static void b44_halt(struct b44 *bp)
-{
-	b44_disable_ints(bp);
-	/* reset PHY */
-	b44_phy_reset(bp);
-	/* power down PHY */
-	netdev_info(bp->dev, "powering down PHY\n");
-	bw32(bp, B44_MAC_CTRL, MAC_CTRL_PHY_PDOWN);
-	/* now reset the chip, but without enabling the MAC&PHY
-	 * part of it. This has to be done _after_ we shut down the PHY */
-	b44_chip_reset(bp, B44_CHIP_RESET_PARTIAL);
-}
-
-/* bp->lock is held. */
-static void __b44_set_mac_addr(struct b44 *bp)
-{
-	bw32(bp, B44_CAM_CTRL, 0);
-	if (!(bp->dev->flags & IFF_PROMISC)) {
-		u32 val;
-
-		__b44_cam_write(bp, bp->dev->dev_addr, 0);
-		val = br32(bp, B44_CAM_CTRL);
-		bw32(bp, B44_CAM_CTRL, val | CAM_CTRL_ENABLE);
-	}
-}
-
-static int b44_set_mac_addr(struct net_device *dev, void *p)
-{
-	struct b44 *bp = netdev_priv(dev);
-	struct sockaddr *addr = p;
-	u32 val;
-
-	if (netif_running(dev))
-		return -EBUSY;
-
-	if (!is_valid_ether_addr(addr->sa_data))
-		return -EINVAL;
-
-	memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
-
-	spin_lock_irq(&bp->lock);
-
-	val = br32(bp, B44_RXCONFIG);
-	if (!(val & RXCONFIG_CAM_ABSENT))
-		__b44_set_mac_addr(bp);
-
-	spin_unlock_irq(&bp->lock);
-
-	return 0;
-}
-
-/* Called at device open time to get the chip ready for
- * packet processing.  Invoked with bp->lock held.
- */
-static void __b44_set_rx_mode(struct net_device *);
-static void b44_init_hw(struct b44 *bp, int reset_kind)
-{
-	u32 val;
-
-	b44_chip_reset(bp, B44_CHIP_RESET_FULL);
-	if (reset_kind == B44_FULL_RESET) {
-		b44_phy_reset(bp);
-		b44_setup_phy(bp);
-	}
-
-	/* Enable CRC32, set proper LED modes and power on PHY */
-	bw32(bp, B44_MAC_CTRL, MAC_CTRL_CRC32_ENAB | MAC_CTRL_PHY_LEDCTRL);
-	bw32(bp, B44_RCV_LAZY, (1 << RCV_LAZY_FC_SHIFT));
-
-	/* This sets the MAC address too.  */
-	__b44_set_rx_mode(bp->dev);
-
-	/* MTU + eth header + possible VLAN tag + struct rx_header */
-	bw32(bp, B44_RXMAXLEN, bp->dev->mtu + ETH_HLEN + 8 + RX_HEADER_LEN);
-	bw32(bp, B44_TXMAXLEN, bp->dev->mtu + ETH_HLEN + 8 + RX_HEADER_LEN);
-
-	bw32(bp, B44_TX_WMARK, 56); /* XXX magic */
-	if (reset_kind == B44_PARTIAL_RESET) {
-		bw32(bp, B44_DMARX_CTRL, (DMARX_CTRL_ENABLE |
-				      (RX_PKT_OFFSET << DMARX_CTRL_ROSHIFT)));
-	} else {
-		bw32(bp, B44_DMATX_CTRL, DMATX_CTRL_ENABLE);
-		bw32(bp, B44_DMATX_ADDR, bp->tx_ring_dma + bp->dma_offset);
-		bw32(bp, B44_DMARX_CTRL, (DMARX_CTRL_ENABLE |
-				      (RX_PKT_OFFSET << DMARX_CTRL_ROSHIFT)));
-		bw32(bp, B44_DMARX_ADDR, bp->rx_ring_dma + bp->dma_offset);
-
-		bw32(bp, B44_DMARX_PTR, bp->rx_pending);
-		bp->rx_prod = bp->rx_pending;
-
-		bw32(bp, B44_MIB_CTRL, MIB_CTRL_CLR_ON_READ);
-	}
-
-	val = br32(bp, B44_ENET_CTRL);
-	bw32(bp, B44_ENET_CTRL, (val | ENET_CTRL_ENABLE));
-}
-
-static int b44_open(struct net_device *dev)
-{
-	struct b44 *bp = netdev_priv(dev);
-	int err;
-
-	err = b44_alloc_consistent(bp, GFP_KERNEL);
-	if (err)
-		goto out;
-
-	napi_enable(&bp->napi);
-
-	b44_init_rings(bp);
-	b44_init_hw(bp, B44_FULL_RESET);
-
-	b44_check_phy(bp);
-
-	err = request_irq(dev->irq, b44_interrupt, IRQF_SHARED, dev->name, dev);
-	if (unlikely(err < 0)) {
-		napi_disable(&bp->napi);
-		b44_chip_reset(bp, B44_CHIP_RESET_PARTIAL);
-		b44_free_rings(bp);
-		b44_free_consistent(bp);
-		goto out;
-	}
-
-	init_timer(&bp->timer);
-	bp->timer.expires = jiffies + HZ;
-	bp->timer.data = (unsigned long) bp;
-	bp->timer.function = b44_timer;
-	add_timer(&bp->timer);
-
-	b44_enable_ints(bp);
-	netif_start_queue(dev);
-out:
-	return err;
-}
-
-#ifdef CONFIG_NET_POLL_CONTROLLER
-/*
- * Polling receive - used by netconsole and other diagnostic tools
- * to allow network i/o with interrupts disabled.
- */
-static void b44_poll_controller(struct net_device *dev)
-{
-	disable_irq(dev->irq);
-	b44_interrupt(dev->irq, dev);
-	enable_irq(dev->irq);
-}
-#endif
-
-static void bwfilter_table(struct b44 *bp, u8 *pp, u32 bytes, u32 table_offset)
-{
-	u32 i;
-	u32 *pattern = (u32 *) pp;
-
-	for (i = 0; i < bytes; i += sizeof(u32)) {
-		bw32(bp, B44_FILT_ADDR, table_offset + i);
-		bw32(bp, B44_FILT_DATA, pattern[i / sizeof(u32)]);
-	}
-}
-
-static int b44_magic_pattern(u8 *macaddr, u8 *ppattern, u8 *pmask, int offset)
-{
-	int magicsync = 6;
-	int k, j, len = offset;
-	int ethaddr_bytes = ETH_ALEN;
-
-	memset(ppattern + offset, 0xff, magicsync);
-	for (j = 0; j < magicsync; j++)
-		set_bit(len++, (unsigned long *) pmask);
-
-	for (j = 0; j < B44_MAX_PATTERNS; j++) {
-		if ((B44_PATTERN_SIZE - len) >= ETH_ALEN)
-			ethaddr_bytes = ETH_ALEN;
-		else
-			ethaddr_bytes = B44_PATTERN_SIZE - len;
-		if (ethaddr_bytes <=0)
-			break;
-		for (k = 0; k< ethaddr_bytes; k++) {
-			ppattern[offset + magicsync +
-				(j * ETH_ALEN) + k] = macaddr[k];
-			set_bit(len++, (unsigned long *) pmask);
-		}
-	}
-	return len - 1;
-}
-
-/* Setup magic packet patterns in the b44 WOL
- * pattern matching filter.
- */
-static void b44_setup_pseudo_magicp(struct b44 *bp)
-{
-
-	u32 val;
-	int plen0, plen1, plen2;
-	u8 *pwol_pattern;
-	u8 pwol_mask[B44_PMASK_SIZE];
-
-	pwol_pattern = kzalloc(B44_PATTERN_SIZE, GFP_KERNEL);
-	if (!pwol_pattern) {
-		pr_err("Memory not available for WOL\n");
-		return;
-	}
-
-	/* Ipv4 magic packet pattern - pattern 0.*/
-	memset(pwol_mask, 0, B44_PMASK_SIZE);
-	plen0 = b44_magic_pattern(bp->dev->dev_addr, pwol_pattern, pwol_mask,
-				  B44_ETHIPV4UDP_HLEN);
-
-   	bwfilter_table(bp, pwol_pattern, B44_PATTERN_SIZE, B44_PATTERN_BASE);
-   	bwfilter_table(bp, pwol_mask, B44_PMASK_SIZE, B44_PMASK_BASE);
-
-	/* Raw ethernet II magic packet pattern - pattern 1 */
-	memset(pwol_pattern, 0, B44_PATTERN_SIZE);
-	memset(pwol_mask, 0, B44_PMASK_SIZE);
-	plen1 = b44_magic_pattern(bp->dev->dev_addr, pwol_pattern, pwol_mask,
-				  ETH_HLEN);
-
-   	bwfilter_table(bp, pwol_pattern, B44_PATTERN_SIZE,
-		       B44_PATTERN_BASE + B44_PATTERN_SIZE);
-  	bwfilter_table(bp, pwol_mask, B44_PMASK_SIZE,
-		       B44_PMASK_BASE + B44_PMASK_SIZE);
-
-	/* Ipv6 magic packet pattern - pattern 2 */
-	memset(pwol_pattern, 0, B44_PATTERN_SIZE);
-	memset(pwol_mask, 0, B44_PMASK_SIZE);
-	plen2 = b44_magic_pattern(bp->dev->dev_addr, pwol_pattern, pwol_mask,
-				  B44_ETHIPV6UDP_HLEN);
-
-   	bwfilter_table(bp, pwol_pattern, B44_PATTERN_SIZE,
-		       B44_PATTERN_BASE + B44_PATTERN_SIZE + B44_PATTERN_SIZE);
-  	bwfilter_table(bp, pwol_mask, B44_PMASK_SIZE,
-		       B44_PMASK_BASE + B44_PMASK_SIZE + B44_PMASK_SIZE);
-
-	kfree(pwol_pattern);
-
-	/* set these pattern's lengths: one less than each real length */
-	val = plen0 | (plen1 << 8) | (plen2 << 16) | WKUP_LEN_ENABLE_THREE;
-	bw32(bp, B44_WKUP_LEN, val);
-
-	/* enable wakeup pattern matching */
-	val = br32(bp, B44_DEVCTRL);
-	bw32(bp, B44_DEVCTRL, val | DEVCTRL_PFE);
-
-}
-
-#ifdef CONFIG_B44_PCI
-static void b44_setup_wol_pci(struct b44 *bp)
-{
-	u16 val;
-
-	if (bp->sdev->bus->bustype != SSB_BUSTYPE_SSB) {
-		bw32(bp, SSB_TMSLOW, br32(bp, SSB_TMSLOW) | SSB_TMSLOW_PE);
-		pci_read_config_word(bp->sdev->bus->host_pci, SSB_PMCSR, &val);
-		pci_write_config_word(bp->sdev->bus->host_pci, SSB_PMCSR, val | SSB_PE);
-	}
-}
-#else
-static inline void b44_setup_wol_pci(struct b44 *bp) { }
-#endif /* CONFIG_B44_PCI */
-
-static void b44_setup_wol(struct b44 *bp)
-{
-	u32 val;
-
-	bw32(bp, B44_RXCONFIG, RXCONFIG_ALLMULTI);
-
-	if (bp->flags & B44_FLAG_B0_ANDLATER) {
-
-		bw32(bp, B44_WKUP_LEN, WKUP_LEN_DISABLE);
-
-		val = bp->dev->dev_addr[2] << 24 |
-			bp->dev->dev_addr[3] << 16 |
-			bp->dev->dev_addr[4] << 8 |
-			bp->dev->dev_addr[5];
-		bw32(bp, B44_ADDR_LO, val);
-
-		val = bp->dev->dev_addr[0] << 8 |
-			bp->dev->dev_addr[1];
-		bw32(bp, B44_ADDR_HI, val);
-
-		val = br32(bp, B44_DEVCTRL);
-		bw32(bp, B44_DEVCTRL, val | DEVCTRL_MPM | DEVCTRL_PFE);
-
- 	} else {
- 		b44_setup_pseudo_magicp(bp);
- 	}
-	b44_setup_wol_pci(bp);
-}
-
-static int b44_close(struct net_device *dev)
-{
-	struct b44 *bp = netdev_priv(dev);
-
-	netif_stop_queue(dev);
-
-	napi_disable(&bp->napi);
-
-	del_timer_sync(&bp->timer);
-
-	spin_lock_irq(&bp->lock);
-
-	b44_halt(bp);
-	b44_free_rings(bp);
-	netif_carrier_off(dev);
-
-	spin_unlock_irq(&bp->lock);
-
-	free_irq(dev->irq, dev);
-
-	if (bp->flags & B44_FLAG_WOL_ENABLE) {
-		b44_init_hw(bp, B44_PARTIAL_RESET);
-		b44_setup_wol(bp);
-	}
-
-	b44_free_consistent(bp);
-
-	return 0;
-}
-
-static struct net_device_stats *b44_get_stats(struct net_device *dev)
-{
-	struct b44 *bp = netdev_priv(dev);
-	struct net_device_stats *nstat = &dev->stats;
-	struct b44_hw_stats *hwstat = &bp->hw_stats;
-
-	/* Convert HW stats into netdevice stats. */
-	nstat->rx_packets = hwstat->rx_pkts;
-	nstat->tx_packets = hwstat->tx_pkts;
-	nstat->rx_bytes   = hwstat->rx_octets;
-	nstat->tx_bytes   = hwstat->tx_octets;
-	nstat->tx_errors  = (hwstat->tx_jabber_pkts +
-			     hwstat->tx_oversize_pkts +
-			     hwstat->tx_underruns +
-			     hwstat->tx_excessive_cols +
-			     hwstat->tx_late_cols);
-	nstat->multicast  = hwstat->tx_multicast_pkts;
-	nstat->collisions = hwstat->tx_total_cols;
-
-	nstat->rx_length_errors = (hwstat->rx_oversize_pkts +
-				   hwstat->rx_undersize);
-	nstat->rx_over_errors   = hwstat->rx_missed_pkts;
-	nstat->rx_frame_errors  = hwstat->rx_align_errs;
-	nstat->rx_crc_errors    = hwstat->rx_crc_errs;
-	nstat->rx_errors        = (hwstat->rx_jabber_pkts +
-				   hwstat->rx_oversize_pkts +
-				   hwstat->rx_missed_pkts +
-				   hwstat->rx_crc_align_errs +
-				   hwstat->rx_undersize +
-				   hwstat->rx_crc_errs +
-				   hwstat->rx_align_errs +
-				   hwstat->rx_symbol_errs);
-
-	nstat->tx_aborted_errors = hwstat->tx_underruns;
-#if 0
-	/* Carrier lost counter seems to be broken for some devices */
-	nstat->tx_carrier_errors = hwstat->tx_carrier_lost;
-#endif
-
-	return nstat;
-}
-
-static int __b44_load_mcast(struct b44 *bp, struct net_device *dev)
-{
-	struct netdev_hw_addr *ha;
-	int i, num_ents;
-
-	num_ents = min_t(int, netdev_mc_count(dev), B44_MCAST_TABLE_SIZE);
-	i = 0;
-	netdev_for_each_mc_addr(ha, dev) {
-		if (i == num_ents)
-			break;
-		__b44_cam_write(bp, ha->addr, i++ + 1);
-	}
-	return i+1;
-}
-
-static void __b44_set_rx_mode(struct net_device *dev)
-{
-	struct b44 *bp = netdev_priv(dev);
-	u32 val;
-
-	val = br32(bp, B44_RXCONFIG);
-	val &= ~(RXCONFIG_PROMISC | RXCONFIG_ALLMULTI);
-	if ((dev->flags & IFF_PROMISC) || (val & RXCONFIG_CAM_ABSENT)) {
-		val |= RXCONFIG_PROMISC;
-		bw32(bp, B44_RXCONFIG, val);
-	} else {
-		unsigned char zero[6] = {0, 0, 0, 0, 0, 0};
-		int i = 1;
-
-		__b44_set_mac_addr(bp);
-
-		if ((dev->flags & IFF_ALLMULTI) ||
-		    (netdev_mc_count(dev) > B44_MCAST_TABLE_SIZE))
-			val |= RXCONFIG_ALLMULTI;
-		else
-			i = __b44_load_mcast(bp, dev);
-
-		for (; i < 64; i++)
-			__b44_cam_write(bp, zero, i);
-
-		bw32(bp, B44_RXCONFIG, val);
-        	val = br32(bp, B44_CAM_CTRL);
-	        bw32(bp, B44_CAM_CTRL, val | CAM_CTRL_ENABLE);
-	}
-}
-
-static void b44_set_rx_mode(struct net_device *dev)
-{
-	struct b44 *bp = netdev_priv(dev);
-
-	spin_lock_irq(&bp->lock);
-	__b44_set_rx_mode(dev);
-	spin_unlock_irq(&bp->lock);
-}
-
-static u32 b44_get_msglevel(struct net_device *dev)
-{
-	struct b44 *bp = netdev_priv(dev);
-	return bp->msg_enable;
-}
-
-static void b44_set_msglevel(struct net_device *dev, u32 value)
-{
-	struct b44 *bp = netdev_priv(dev);
-	bp->msg_enable = value;
-}
-
-static void b44_get_drvinfo (struct net_device *dev, struct ethtool_drvinfo *info)
-{
-	struct b44 *bp = netdev_priv(dev);
-	struct ssb_bus *bus = bp->sdev->bus;
-
-	strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
-	strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
-	switch (bus->bustype) {
-	case SSB_BUSTYPE_PCI:
-		strlcpy(info->bus_info, pci_name(bus->host_pci), sizeof(info->bus_info));
-		break;
-	case SSB_BUSTYPE_SSB:
-		strlcpy(info->bus_info, "SSB", sizeof(info->bus_info));
-		break;
-	case SSB_BUSTYPE_PCMCIA:
-	case SSB_BUSTYPE_SDIO:
-		WARN_ON(1); /* A device with this bus does not exist. */
-		break;
-	}
-}
-
-static int b44_nway_reset(struct net_device *dev)
-{
-	struct b44 *bp = netdev_priv(dev);
-	u32 bmcr;
-	int r;
-
-	spin_lock_irq(&bp->lock);
-	b44_readphy(bp, MII_BMCR, &bmcr);
-	b44_readphy(bp, MII_BMCR, &bmcr);
-	r = -EINVAL;
-	if (bmcr & BMCR_ANENABLE) {
-		b44_writephy(bp, MII_BMCR,
-			     bmcr | BMCR_ANRESTART);
-		r = 0;
-	}
-	spin_unlock_irq(&bp->lock);
-
-	return r;
-}
-
-static int b44_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
-{
-	struct b44 *bp = netdev_priv(dev);
-
-	cmd->supported = (SUPPORTED_Autoneg);
-	cmd->supported |= (SUPPORTED_100baseT_Half |
-			  SUPPORTED_100baseT_Full |
-			  SUPPORTED_10baseT_Half |
-			  SUPPORTED_10baseT_Full |
-			  SUPPORTED_MII);
-
-	cmd->advertising = 0;
-	if (bp->flags & B44_FLAG_ADV_10HALF)
-		cmd->advertising |= ADVERTISED_10baseT_Half;
-	if (bp->flags & B44_FLAG_ADV_10FULL)
-		cmd->advertising |= ADVERTISED_10baseT_Full;
-	if (bp->flags & B44_FLAG_ADV_100HALF)
-		cmd->advertising |= ADVERTISED_100baseT_Half;
-	if (bp->flags & B44_FLAG_ADV_100FULL)
-		cmd->advertising |= ADVERTISED_100baseT_Full;
-	cmd->advertising |= ADVERTISED_Pause | ADVERTISED_Asym_Pause;
-	ethtool_cmd_speed_set(cmd, ((bp->flags & B44_FLAG_100_BASE_T) ?
-				    SPEED_100 : SPEED_10));
-	cmd->duplex = (bp->flags & B44_FLAG_FULL_DUPLEX) ?
-		DUPLEX_FULL : DUPLEX_HALF;
-	cmd->port = 0;
-	cmd->phy_address = bp->phy_addr;
-	cmd->transceiver = (bp->flags & B44_FLAG_INTERNAL_PHY) ?
-		XCVR_INTERNAL : XCVR_EXTERNAL;
-	cmd->autoneg = (bp->flags & B44_FLAG_FORCE_LINK) ?
-		AUTONEG_DISABLE : AUTONEG_ENABLE;
-	if (cmd->autoneg == AUTONEG_ENABLE)
-		cmd->advertising |= ADVERTISED_Autoneg;
-	if (!netif_running(dev)){
-		ethtool_cmd_speed_set(cmd, 0);
-		cmd->duplex = 0xff;
-	}
-	cmd->maxtxpkt = 0;
-	cmd->maxrxpkt = 0;
-	return 0;
-}
-
-static int b44_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
-{
-	struct b44 *bp = netdev_priv(dev);
-	u32 speed = ethtool_cmd_speed(cmd);
-
-	/* We do not support gigabit. */
-	if (cmd->autoneg == AUTONEG_ENABLE) {
-		if (cmd->advertising &
-		    (ADVERTISED_1000baseT_Half |
-		     ADVERTISED_1000baseT_Full))
-			return -EINVAL;
-	} else if ((speed != SPEED_100 &&
-		    speed != SPEED_10) ||
-		   (cmd->duplex != DUPLEX_HALF &&
-		    cmd->duplex != DUPLEX_FULL)) {
-			return -EINVAL;
-	}
-
-	spin_lock_irq(&bp->lock);
-
-	if (cmd->autoneg == AUTONEG_ENABLE) {
-		bp->flags &= ~(B44_FLAG_FORCE_LINK |
-			       B44_FLAG_100_BASE_T |
-			       B44_FLAG_FULL_DUPLEX |
-			       B44_FLAG_ADV_10HALF |
-			       B44_FLAG_ADV_10FULL |
-			       B44_FLAG_ADV_100HALF |
-			       B44_FLAG_ADV_100FULL);
-		if (cmd->advertising == 0) {
-			bp->flags |= (B44_FLAG_ADV_10HALF |
-				      B44_FLAG_ADV_10FULL |
-				      B44_FLAG_ADV_100HALF |
-				      B44_FLAG_ADV_100FULL);
-		} else {
-			if (cmd->advertising & ADVERTISED_10baseT_Half)
-				bp->flags |= B44_FLAG_ADV_10HALF;
-			if (cmd->advertising & ADVERTISED_10baseT_Full)
-				bp->flags |= B44_FLAG_ADV_10FULL;
-			if (cmd->advertising & ADVERTISED_100baseT_Half)
-				bp->flags |= B44_FLAG_ADV_100HALF;
-			if (cmd->advertising & ADVERTISED_100baseT_Full)
-				bp->flags |= B44_FLAG_ADV_100FULL;
-		}
-	} else {
-		bp->flags |= B44_FLAG_FORCE_LINK;
-		bp->flags &= ~(B44_FLAG_100_BASE_T | B44_FLAG_FULL_DUPLEX);
-		if (speed == SPEED_100)
-			bp->flags |= B44_FLAG_100_BASE_T;
-		if (cmd->duplex == DUPLEX_FULL)
-			bp->flags |= B44_FLAG_FULL_DUPLEX;
-	}
-
-	if (netif_running(dev))
-		b44_setup_phy(bp);
-
-	spin_unlock_irq(&bp->lock);
-
-	return 0;
-}
-
-static void b44_get_ringparam(struct net_device *dev,
-			      struct ethtool_ringparam *ering)
-{
-	struct b44 *bp = netdev_priv(dev);
-
-	ering->rx_max_pending = B44_RX_RING_SIZE - 1;
-	ering->rx_pending = bp->rx_pending;
-
-	/* XXX ethtool lacks a tx_max_pending, oops... */
-}
-
-static int b44_set_ringparam(struct net_device *dev,
-			     struct ethtool_ringparam *ering)
-{
-	struct b44 *bp = netdev_priv(dev);
-
-	if ((ering->rx_pending > B44_RX_RING_SIZE - 1) ||
-	    (ering->rx_mini_pending != 0) ||
-	    (ering->rx_jumbo_pending != 0) ||
-	    (ering->tx_pending > B44_TX_RING_SIZE - 1))
-		return -EINVAL;
-
-	spin_lock_irq(&bp->lock);
-
-	bp->rx_pending = ering->rx_pending;
-	bp->tx_pending = ering->tx_pending;
-
-	b44_halt(bp);
-	b44_init_rings(bp);
-	b44_init_hw(bp, B44_FULL_RESET);
-	netif_wake_queue(bp->dev);
-	spin_unlock_irq(&bp->lock);
-
-	b44_enable_ints(bp);
-
-	return 0;
-}
-
-static void b44_get_pauseparam(struct net_device *dev,
-				struct ethtool_pauseparam *epause)
-{
-	struct b44 *bp = netdev_priv(dev);
-
-	epause->autoneg =
-		(bp->flags & B44_FLAG_PAUSE_AUTO) != 0;
-	epause->rx_pause =
-		(bp->flags & B44_FLAG_RX_PAUSE) != 0;
-	epause->tx_pause =
-		(bp->flags & B44_FLAG_TX_PAUSE) != 0;
-}
-
-static int b44_set_pauseparam(struct net_device *dev,
-				struct ethtool_pauseparam *epause)
-{
-	struct b44 *bp = netdev_priv(dev);
-
-	spin_lock_irq(&bp->lock);
-	if (epause->autoneg)
-		bp->flags |= B44_FLAG_PAUSE_AUTO;
-	else
-		bp->flags &= ~B44_FLAG_PAUSE_AUTO;
-	if (epause->rx_pause)
-		bp->flags |= B44_FLAG_RX_PAUSE;
-	else
-		bp->flags &= ~B44_FLAG_RX_PAUSE;
-	if (epause->tx_pause)
-		bp->flags |= B44_FLAG_TX_PAUSE;
-	else
-		bp->flags &= ~B44_FLAG_TX_PAUSE;
-	if (bp->flags & B44_FLAG_PAUSE_AUTO) {
-		b44_halt(bp);
-		b44_init_rings(bp);
-		b44_init_hw(bp, B44_FULL_RESET);
-	} else {
-		__b44_set_flow_ctrl(bp, bp->flags);
-	}
-	spin_unlock_irq(&bp->lock);
-
-	b44_enable_ints(bp);
-
-	return 0;
-}
-
-static void b44_get_strings(struct net_device *dev, u32 stringset, u8 *data)
-{
-	switch(stringset) {
-	case ETH_SS_STATS:
-		memcpy(data, *b44_gstrings, sizeof(b44_gstrings));
-		break;
-	}
-}
-
-static int b44_get_sset_count(struct net_device *dev, int sset)
-{
-	switch (sset) {
-	case ETH_SS_STATS:
-		return ARRAY_SIZE(b44_gstrings);
-	default:
-		return -EOPNOTSUPP;
-	}
-}
-
-static void b44_get_ethtool_stats(struct net_device *dev,
-				  struct ethtool_stats *stats, u64 *data)
-{
-	struct b44 *bp = netdev_priv(dev);
-	u32 *val = &bp->hw_stats.tx_good_octets;
-	u32 i;
-
-	spin_lock_irq(&bp->lock);
-
-	b44_stats_update(bp);
-
-	for (i = 0; i < ARRAY_SIZE(b44_gstrings); i++)
-		*data++ = *val++;
-
-	spin_unlock_irq(&bp->lock);
-}
-
-static void b44_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
-{
-	struct b44 *bp = netdev_priv(dev);
-
-	wol->supported = WAKE_MAGIC;
-	if (bp->flags & B44_FLAG_WOL_ENABLE)
-		wol->wolopts = WAKE_MAGIC;
-	else
-		wol->wolopts = 0;
-	memset(&wol->sopass, 0, sizeof(wol->sopass));
-}
-
-static int b44_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
-{
-	struct b44 *bp = netdev_priv(dev);
-
-	spin_lock_irq(&bp->lock);
-	if (wol->wolopts & WAKE_MAGIC)
-		bp->flags |= B44_FLAG_WOL_ENABLE;
-	else
-		bp->flags &= ~B44_FLAG_WOL_ENABLE;
-	spin_unlock_irq(&bp->lock);
-
-	return 0;
-}
-
-static const struct ethtool_ops b44_ethtool_ops = {
-	.get_drvinfo		= b44_get_drvinfo,
-	.get_settings		= b44_get_settings,
-	.set_settings		= b44_set_settings,
-	.nway_reset		= b44_nway_reset,
-	.get_link		= ethtool_op_get_link,
-	.get_wol		= b44_get_wol,
-	.set_wol		= b44_set_wol,
-	.get_ringparam		= b44_get_ringparam,
-	.set_ringparam		= b44_set_ringparam,
-	.get_pauseparam		= b44_get_pauseparam,
-	.set_pauseparam		= b44_set_pauseparam,
-	.get_msglevel		= b44_get_msglevel,
-	.set_msglevel		= b44_set_msglevel,
-	.get_strings		= b44_get_strings,
-	.get_sset_count		= b44_get_sset_count,
-	.get_ethtool_stats	= b44_get_ethtool_stats,
-};
-
-static int b44_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
-{
-	struct mii_ioctl_data *data = if_mii(ifr);
-	struct b44 *bp = netdev_priv(dev);
-	int err = -EINVAL;
-
-	if (!netif_running(dev))
-		goto out;
-
-	spin_lock_irq(&bp->lock);
-	err = generic_mii_ioctl(&bp->mii_if, data, cmd, NULL);
-	spin_unlock_irq(&bp->lock);
-out:
-	return err;
-}
-
-static int __devinit b44_get_invariants(struct b44 *bp)
-{
-	struct ssb_device *sdev = bp->sdev;
-	int err = 0;
-	u8 *addr;
-
-	bp->dma_offset = ssb_dma_translation(sdev);
-
-	if (sdev->bus->bustype == SSB_BUSTYPE_SSB &&
-	    instance > 1) {
-		addr = sdev->bus->sprom.et1mac;
-		bp->phy_addr = sdev->bus->sprom.et1phyaddr;
-	} else {
-		addr = sdev->bus->sprom.et0mac;
-		bp->phy_addr = sdev->bus->sprom.et0phyaddr;
-	}
-	/* Some ROMs have buggy PHY addresses with the high
-	 * bits set (sign extension?). Truncate them to a
-	 * valid PHY address. */
-	bp->phy_addr &= 0x1F;
-
-	memcpy(bp->dev->dev_addr, addr, 6);
-
-	if (!is_valid_ether_addr(&bp->dev->dev_addr[0])){
-		pr_err("Invalid MAC address found in EEPROM\n");
-		return -EINVAL;
-	}
-
-	memcpy(bp->dev->perm_addr, bp->dev->dev_addr, bp->dev->addr_len);
-
-	bp->imask = IMASK_DEF;
-
-	/* XXX - really required?
-	   bp->flags |= B44_FLAG_BUGGY_TXPTR;
-	*/
-
-	if (bp->sdev->id.revision >= 7)
-		bp->flags |= B44_FLAG_B0_ANDLATER;
-
-	return err;
-}
-
-static const struct net_device_ops b44_netdev_ops = {
-	.ndo_open		= b44_open,
-	.ndo_stop		= b44_close,
-	.ndo_start_xmit		= b44_start_xmit,
-	.ndo_get_stats		= b44_get_stats,
-	.ndo_set_multicast_list = b44_set_rx_mode,
-	.ndo_set_mac_address	= b44_set_mac_addr,
-	.ndo_validate_addr	= eth_validate_addr,
-	.ndo_do_ioctl		= b44_ioctl,
-	.ndo_tx_timeout		= b44_tx_timeout,
-	.ndo_change_mtu		= b44_change_mtu,
-#ifdef CONFIG_NET_POLL_CONTROLLER
-	.ndo_poll_controller	= b44_poll_controller,
-#endif
-};
-
-static int __devinit b44_init_one(struct ssb_device *sdev,
-				  const struct ssb_device_id *ent)
-{
-	struct net_device *dev;
-	struct b44 *bp;
-	int err;
-
-	instance++;
-
-	pr_info_once("%s version %s\n", DRV_DESCRIPTION, DRV_MODULE_VERSION);
-
-	dev = alloc_etherdev(sizeof(*bp));
-	if (!dev) {
-		dev_err(sdev->dev, "Etherdev alloc failed, aborting\n");
-		err = -ENOMEM;
-		goto out;
-	}
-
-	SET_NETDEV_DEV(dev, sdev->dev);
-
-	/* No interesting netdevice features in this card... */
-	dev->features |= 0;
-
-	bp = netdev_priv(dev);
-	bp->sdev = sdev;
-	bp->dev = dev;
-	bp->force_copybreak = 0;
-
-	bp->msg_enable = netif_msg_init(b44_debug, B44_DEF_MSG_ENABLE);
-
-	spin_lock_init(&bp->lock);
-
-	bp->rx_pending = B44_DEF_RX_RING_PENDING;
-	bp->tx_pending = B44_DEF_TX_RING_PENDING;
-
-	dev->netdev_ops = &b44_netdev_ops;
-	netif_napi_add(dev, &bp->napi, b44_poll, 64);
-	dev->watchdog_timeo = B44_TX_TIMEOUT;
-	dev->irq = sdev->irq;
-	SET_ETHTOOL_OPS(dev, &b44_ethtool_ops);
-
-	err = ssb_bus_powerup(sdev->bus, 0);
-	if (err) {
-		dev_err(sdev->dev,
-			"Failed to powerup the bus\n");
-		goto err_out_free_dev;
-	}
-
-	if (dma_set_mask(sdev->dma_dev, DMA_BIT_MASK(30)) ||
-	    dma_set_coherent_mask(sdev->dma_dev, DMA_BIT_MASK(30))) {
-		dev_err(sdev->dev,
-			"Required 30BIT DMA mask unsupported by the system\n");
-		goto err_out_powerdown;
-	}
-
-	err = b44_get_invariants(bp);
-	if (err) {
-		dev_err(sdev->dev,
-			"Problem fetching invariants of chip, aborting\n");
-		goto err_out_powerdown;
-	}
-
-	bp->mii_if.dev = dev;
-	bp->mii_if.mdio_read = b44_mii_read;
-	bp->mii_if.mdio_write = b44_mii_write;
-	bp->mii_if.phy_id = bp->phy_addr;
-	bp->mii_if.phy_id_mask = 0x1f;
-	bp->mii_if.reg_num_mask = 0x1f;
-
-	/* By default, advertise all speed/duplex settings. */
-	bp->flags |= (B44_FLAG_ADV_10HALF | B44_FLAG_ADV_10FULL |
-		      B44_FLAG_ADV_100HALF | B44_FLAG_ADV_100FULL);
-
-	/* By default, auto-negotiate PAUSE. */
-	bp->flags |= B44_FLAG_PAUSE_AUTO;
-
-	err = register_netdev(dev);
-	if (err) {
-		dev_err(sdev->dev, "Cannot register net device, aborting\n");
-		goto err_out_powerdown;
-	}
-
-	netif_carrier_off(dev);
-
-	ssb_set_drvdata(sdev, dev);
-
-	/* Chip reset provides power to the b44 MAC & PCI cores, which
-	 * is necessary for MAC register access.
-	 */
-	b44_chip_reset(bp, B44_CHIP_RESET_FULL);
-
-	/* do a phy reset to test if there is an active phy */
-	if (b44_phy_reset(bp) < 0)
-		bp->phy_addr = B44_PHY_ADDR_NO_PHY;
-
-	netdev_info(dev, "%s %pM\n", DRV_DESCRIPTION, dev->dev_addr);
-
-	return 0;
-
-err_out_powerdown:
-	ssb_bus_may_powerdown(sdev->bus);
-
-err_out_free_dev:
-	free_netdev(dev);
-
-out:
-	return err;
-}
-
-static void __devexit b44_remove_one(struct ssb_device *sdev)
-{
-	struct net_device *dev = ssb_get_drvdata(sdev);
-
-	unregister_netdev(dev);
-	ssb_device_disable(sdev, 0);
-	ssb_bus_may_powerdown(sdev->bus);
-	free_netdev(dev);
-	ssb_pcihost_set_power_state(sdev, PCI_D3hot);
-	ssb_set_drvdata(sdev, NULL);
-}
-
-static int b44_suspend(struct ssb_device *sdev, pm_message_t state)
-{
-	struct net_device *dev = ssb_get_drvdata(sdev);
-	struct b44 *bp = netdev_priv(dev);
-
-	if (!netif_running(dev))
-		return 0;
-
-	del_timer_sync(&bp->timer);
-
-	spin_lock_irq(&bp->lock);
-
-	b44_halt(bp);
-	netif_carrier_off(bp->dev);
-	netif_device_detach(bp->dev);
-	b44_free_rings(bp);
-
-	spin_unlock_irq(&bp->lock);
-
-	free_irq(dev->irq, dev);
-	if (bp->flags & B44_FLAG_WOL_ENABLE) {
-		b44_init_hw(bp, B44_PARTIAL_RESET);
-		b44_setup_wol(bp);
-	}
-
-	ssb_pcihost_set_power_state(sdev, PCI_D3hot);
-	return 0;
-}
-
-static int b44_resume(struct ssb_device *sdev)
-{
-	struct net_device *dev = ssb_get_drvdata(sdev);
-	struct b44 *bp = netdev_priv(dev);
-	int rc = 0;
-
-	rc = ssb_bus_powerup(sdev->bus, 0);
-	if (rc) {
-		dev_err(sdev->dev,
-			"Failed to powerup the bus\n");
-		return rc;
-	}
-
-	if (!netif_running(dev))
-		return 0;
-
-	spin_lock_irq(&bp->lock);
-	b44_init_rings(bp);
-	b44_init_hw(bp, B44_FULL_RESET);
-	spin_unlock_irq(&bp->lock);
-
-	/*
-	 * As a shared interrupt, the handler can be called immediately. To be
-	 * able to check the interrupt status the hardware must already be
-	 * powered back on (b44_init_hw).
-	 */
-	rc = request_irq(dev->irq, b44_interrupt, IRQF_SHARED, dev->name, dev);
-	if (rc) {
-		netdev_err(dev, "request_irq failed\n");
-		spin_lock_irq(&bp->lock);
-		b44_halt(bp);
-		b44_free_rings(bp);
-		spin_unlock_irq(&bp->lock);
-		return rc;
-	}
-
-	netif_device_attach(bp->dev);
-
-	b44_enable_ints(bp);
-	netif_wake_queue(dev);
-
-	mod_timer(&bp->timer, jiffies + 1);
-
-	return 0;
-}
-
-static struct ssb_driver b44_ssb_driver = {
-	.name		= DRV_MODULE_NAME,
-	.id_table	= b44_ssb_tbl,
-	.probe		= b44_init_one,
-	.remove		= __devexit_p(b44_remove_one),
-	.suspend	= b44_suspend,
-	.resume		= b44_resume,
-};
-
-static inline int __init b44_pci_init(void)
-{
-	int err = 0;
-#ifdef CONFIG_B44_PCI
-	err = ssb_pcihost_register(&b44_pci_driver);
-#endif
-	return err;
-}
-
-static inline void __exit b44_pci_exit(void)
-{
-#ifdef CONFIG_B44_PCI
-	ssb_pcihost_unregister(&b44_pci_driver);
-#endif
-}
-
-static int __init b44_init(void)
-{
-	unsigned int dma_desc_align_size = dma_get_cache_alignment();
-	int err;
-
-	/* Setup paramaters for syncing RX/TX DMA descriptors */
-	dma_desc_sync_size = max_t(unsigned int, dma_desc_align_size, sizeof(struct dma_desc));
-
-	err = b44_pci_init();
-	if (err)
-		return err;
-	err = ssb_driver_register(&b44_ssb_driver);
-	if (err)
-		b44_pci_exit();
-	return err;
-}
-
-static void __exit b44_cleanup(void)
-{
-	ssb_driver_unregister(&b44_ssb_driver);
-	b44_pci_exit();
-}
-
-module_init(b44_init);
-module_exit(b44_cleanup);
-