qlogic: Move the QLogic drivers

Moves the QLogic drivers into drivers/net/ethernet/qlogic/ and
the necessary Kconfig and Makefile changes.

CC: Ron Mercer <ron.mercer@qlogic.com>
CC: Amit Kumar Salecha <amit.salecha@qlogic.com>
CC: Anirban Chakraborty <anirban.chakraborty@qlogic.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Acked-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com>

1 files changed, 0 insertions, 1949 deletions

diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c
deleted file mode 100644
index d6c6357de6aa..000000000000
--- a/drivers/net/netxen/netxen_nic_init.c
+++ /dev/null
@@ -1,1949 +0,0 @@
-/*
- * Copyright (C) 2003 - 2009 NetXen, Inc.
- * Copyright (C) 2009 - QLogic Corporation.
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- * MA  02111-1307, USA.
- *
- * The full GNU General Public License is included in this distribution
- * in the file called "COPYING".
- *
- */
-
-#include <linux/netdevice.h>
-#include <linux/delay.h>
-#include <linux/slab.h>
-#include <linux/if_vlan.h>
-#include "netxen_nic.h"
-#include "netxen_nic_hw.h"
-
-struct crb_addr_pair {
-	u32 addr;
-	u32 data;
-};
-
-#define NETXEN_MAX_CRB_XFORM 60
-static unsigned int crb_addr_xform[NETXEN_MAX_CRB_XFORM];
-#define NETXEN_ADDR_ERROR (0xffffffff)
-
-#define crb_addr_transform(name) \
-	crb_addr_xform[NETXEN_HW_PX_MAP_CRB_##name] = \
-	NETXEN_HW_CRB_HUB_AGT_ADR_##name << 20
-
-#define NETXEN_NIC_XDMA_RESET 0x8000ff
-
-static void
-netxen_post_rx_buffers_nodb(struct netxen_adapter *adapter,
-		struct nx_host_rds_ring *rds_ring);
-static int netxen_p3_has_mn(struct netxen_adapter *adapter);
-
-static void crb_addr_transform_setup(void)
-{
-	crb_addr_transform(XDMA);
-	crb_addr_transform(TIMR);
-	crb_addr_transform(SRE);
-	crb_addr_transform(SQN3);
-	crb_addr_transform(SQN2);
-	crb_addr_transform(SQN1);
-	crb_addr_transform(SQN0);
-	crb_addr_transform(SQS3);
-	crb_addr_transform(SQS2);
-	crb_addr_transform(SQS1);
-	crb_addr_transform(SQS0);
-	crb_addr_transform(RPMX7);
-	crb_addr_transform(RPMX6);
-	crb_addr_transform(RPMX5);
-	crb_addr_transform(RPMX4);
-	crb_addr_transform(RPMX3);
-	crb_addr_transform(RPMX2);
-	crb_addr_transform(RPMX1);
-	crb_addr_transform(RPMX0);
-	crb_addr_transform(ROMUSB);
-	crb_addr_transform(SN);
-	crb_addr_transform(QMN);
-	crb_addr_transform(QMS);
-	crb_addr_transform(PGNI);
-	crb_addr_transform(PGND);
-	crb_addr_transform(PGN3);
-	crb_addr_transform(PGN2);
-	crb_addr_transform(PGN1);
-	crb_addr_transform(PGN0);
-	crb_addr_transform(PGSI);
-	crb_addr_transform(PGSD);
-	crb_addr_transform(PGS3);
-	crb_addr_transform(PGS2);
-	crb_addr_transform(PGS1);
-	crb_addr_transform(PGS0);
-	crb_addr_transform(PS);
-	crb_addr_transform(PH);
-	crb_addr_transform(NIU);
-	crb_addr_transform(I2Q);
-	crb_addr_transform(EG);
-	crb_addr_transform(MN);
-	crb_addr_transform(MS);
-	crb_addr_transform(CAS2);
-	crb_addr_transform(CAS1);
-	crb_addr_transform(CAS0);
-	crb_addr_transform(CAM);
-	crb_addr_transform(C2C1);
-	crb_addr_transform(C2C0);
-	crb_addr_transform(SMB);
-	crb_addr_transform(OCM0);
-	crb_addr_transform(I2C0);
-}
-
-void netxen_release_rx_buffers(struct netxen_adapter *adapter)
-{
-	struct netxen_recv_context *recv_ctx;
-	struct nx_host_rds_ring *rds_ring;
-	struct netxen_rx_buffer *rx_buf;
-	int i, ring;
-
-	recv_ctx = &adapter->recv_ctx;
-	for (ring = 0; ring < adapter->max_rds_rings; ring++) {
-		rds_ring = &recv_ctx->rds_rings[ring];
-		for (i = 0; i < rds_ring->num_desc; ++i) {
-			rx_buf = &(rds_ring->rx_buf_arr[i]);
-			if (rx_buf->state == NETXEN_BUFFER_FREE)
-				continue;
-			pci_unmap_single(adapter->pdev,
-					rx_buf->dma,
-					rds_ring->dma_size,
-					PCI_DMA_FROMDEVICE);
-			if (rx_buf->skb != NULL)
-				dev_kfree_skb_any(rx_buf->skb);
-		}
-	}
-}
-
-void netxen_release_tx_buffers(struct netxen_adapter *adapter)
-{
-	struct netxen_cmd_buffer *cmd_buf;
-	struct netxen_skb_frag *buffrag;
-	int i, j;
-	struct nx_host_tx_ring *tx_ring = adapter->tx_ring;
-
-	cmd_buf = tx_ring->cmd_buf_arr;
-	for (i = 0; i < tx_ring->num_desc; i++) {
-		buffrag = cmd_buf->frag_array;
-		if (buffrag->dma) {
-			pci_unmap_single(adapter->pdev, buffrag->dma,
-					 buffrag->length, PCI_DMA_TODEVICE);
-			buffrag->dma = 0ULL;
-		}
-		for (j = 0; j < cmd_buf->frag_count; j++) {
-			buffrag++;
-			if (buffrag->dma) {
-				pci_unmap_page(adapter->pdev, buffrag->dma,
-					       buffrag->length,
-					       PCI_DMA_TODEVICE);
-				buffrag->dma = 0ULL;
-			}
-		}
-		if (cmd_buf->skb) {
-			dev_kfree_skb_any(cmd_buf->skb);
-			cmd_buf->skb = NULL;
-		}
-		cmd_buf++;
-	}
-}
-
-void netxen_free_sw_resources(struct netxen_adapter *adapter)
-{
-	struct netxen_recv_context *recv_ctx;
-	struct nx_host_rds_ring *rds_ring;
-	struct nx_host_tx_ring *tx_ring;
-	int ring;
-
-	recv_ctx = &adapter->recv_ctx;
-
-	if (recv_ctx->rds_rings == NULL)
-		goto skip_rds;
-
-	for (ring = 0; ring < adapter->max_rds_rings; ring++) {
-		rds_ring = &recv_ctx->rds_rings[ring];
-		vfree(rds_ring->rx_buf_arr);
-		rds_ring->rx_buf_arr = NULL;
-	}
-	kfree(recv_ctx->rds_rings);
-
-skip_rds:
-	if (adapter->tx_ring == NULL)
-		return;
-
-	tx_ring = adapter->tx_ring;
-	vfree(tx_ring->cmd_buf_arr);
-	kfree(tx_ring);
-	adapter->tx_ring = NULL;
-}
-
-int netxen_alloc_sw_resources(struct netxen_adapter *adapter)
-{
-	struct netxen_recv_context *recv_ctx;
-	struct nx_host_rds_ring *rds_ring;
-	struct nx_host_sds_ring *sds_ring;
-	struct nx_host_tx_ring *tx_ring;
-	struct netxen_rx_buffer *rx_buf;
-	int ring, i, size;
-
-	struct netxen_cmd_buffer *cmd_buf_arr;
-	struct net_device *netdev = adapter->netdev;
-	struct pci_dev *pdev = adapter->pdev;
-
-	size = sizeof(struct nx_host_tx_ring);
-	tx_ring = kzalloc(size, GFP_KERNEL);
-	if (tx_ring == NULL) {
-		dev_err(&pdev->dev, "%s: failed to allocate tx ring struct\n",
-		       netdev->name);
-		return -ENOMEM;
-	}
-	adapter->tx_ring = tx_ring;
-
-	tx_ring->num_desc = adapter->num_txd;
-	tx_ring->txq = netdev_get_tx_queue(netdev, 0);
-
-	cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
-	if (cmd_buf_arr == NULL) {
-		dev_err(&pdev->dev, "%s: failed to allocate cmd buffer ring\n",
-		       netdev->name);
-		goto err_out;
-	}
-	tx_ring->cmd_buf_arr = cmd_buf_arr;
-
-	recv_ctx = &adapter->recv_ctx;
-
-	size = adapter->max_rds_rings * sizeof (struct nx_host_rds_ring);
-	rds_ring = kzalloc(size, GFP_KERNEL);
-	if (rds_ring == NULL) {
-		dev_err(&pdev->dev, "%s: failed to allocate rds ring struct\n",
-		       netdev->name);
-		goto err_out;
-	}
-	recv_ctx->rds_rings = rds_ring;
-
-	for (ring = 0; ring < adapter->max_rds_rings; ring++) {
-		rds_ring = &recv_ctx->rds_rings[ring];
-		switch (ring) {
-		case RCV_RING_NORMAL:
-			rds_ring->num_desc = adapter->num_rxd;
-			if (adapter->ahw.cut_through) {
-				rds_ring->dma_size =
-					NX_CT_DEFAULT_RX_BUF_LEN;
-				rds_ring->skb_size =
-					NX_CT_DEFAULT_RX_BUF_LEN;
-			} else {
-				if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
-					rds_ring->dma_size =
-						NX_P3_RX_BUF_MAX_LEN;
-				else
-					rds_ring->dma_size =
-						NX_P2_RX_BUF_MAX_LEN;
-				rds_ring->skb_size =
-					rds_ring->dma_size + NET_IP_ALIGN;
-			}
-			break;
-
-		case RCV_RING_JUMBO:
-			rds_ring->num_desc = adapter->num_jumbo_rxd;
-			if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
-				rds_ring->dma_size =
-					NX_P3_RX_JUMBO_BUF_MAX_LEN;
-			else
-				rds_ring->dma_size =
-					NX_P2_RX_JUMBO_BUF_MAX_LEN;
-
-			if (adapter->capabilities & NX_CAP0_HW_LRO)
-				rds_ring->dma_size += NX_LRO_BUFFER_EXTRA;
-
-			rds_ring->skb_size =
-				rds_ring->dma_size + NET_IP_ALIGN;
-			break;
-
-		case RCV_RING_LRO:
-			rds_ring->num_desc = adapter->num_lro_rxd;
-			rds_ring->dma_size = NX_RX_LRO_BUFFER_LENGTH;
-			rds_ring->skb_size = rds_ring->dma_size + NET_IP_ALIGN;
-			break;
-
-		}
-		rds_ring->rx_buf_arr = vzalloc(RCV_BUFF_RINGSIZE(rds_ring));
-		if (rds_ring->rx_buf_arr == NULL) {
-			printk(KERN_ERR "%s: Failed to allocate "
-				"rx buffer ring %d\n",
-				netdev->name, ring);
-			/* free whatever was already allocated */
-			goto err_out;
-		}
-		INIT_LIST_HEAD(&rds_ring->free_list);
-		/*
-		 * Now go through all of them, set reference handles
-		 * and put them in the queues.
-		 */
-		rx_buf = rds_ring->rx_buf_arr;
-		for (i = 0; i < rds_ring->num_desc; i++) {
-			list_add_tail(&rx_buf->list,
-					&rds_ring->free_list);
-			rx_buf->ref_handle = i;
-			rx_buf->state = NETXEN_BUFFER_FREE;
-			rx_buf++;
-		}
-		spin_lock_init(&rds_ring->lock);
-	}
-
-	for (ring = 0; ring < adapter->max_sds_rings; ring++) {
-		sds_ring = &recv_ctx->sds_rings[ring];
-		sds_ring->irq = adapter->msix_entries[ring].vector;
-		sds_ring->adapter = adapter;
-		sds_ring->num_desc = adapter->num_rxd;
-
-		for (i = 0; i < NUM_RCV_DESC_RINGS; i++)
-			INIT_LIST_HEAD(&sds_ring->free_list[i]);
-	}
-
-	return 0;
-
-err_out:
-	netxen_free_sw_resources(adapter);
-	return -ENOMEM;
-}
-
-/*
- * netxen_decode_crb_addr(0 - utility to translate from internal Phantom CRB
- * address to external PCI CRB address.
- */
-static u32 netxen_decode_crb_addr(u32 addr)
-{
-	int i;
-	u32 base_addr, offset, pci_base;
-
-	crb_addr_transform_setup();
-
-	pci_base = NETXEN_ADDR_ERROR;
-	base_addr = addr & 0xfff00000;
-	offset = addr & 0x000fffff;
-
-	for (i = 0; i < NETXEN_MAX_CRB_XFORM; i++) {
-		if (crb_addr_xform[i] == base_addr) {
-			pci_base = i << 20;
-			break;
-		}
-	}
-	if (pci_base == NETXEN_ADDR_ERROR)
-		return pci_base;
-	else
-		return pci_base + offset;
-}
-
-#define NETXEN_MAX_ROM_WAIT_USEC	100
-
-static int netxen_wait_rom_done(struct netxen_adapter *adapter)
-{
-	long timeout = 0;
-	long done = 0;
-
-	cond_resched();
-
-	while (done == 0) {
-		done = NXRD32(adapter, NETXEN_ROMUSB_GLB_STATUS);
-		done &= 2;
-		if (++timeout >= NETXEN_MAX_ROM_WAIT_USEC) {
-			dev_err(&adapter->pdev->dev,
-				"Timeout reached  waiting for rom done");
-			return -EIO;
-		}
-		udelay(1);
-	}
-	return 0;
-}
-
-static int do_rom_fast_read(struct netxen_adapter *adapter,
-			    int addr, int *valp)
-{
-	NXWR32(adapter, NETXEN_ROMUSB_ROM_ADDRESS, addr);
-	NXWR32(adapter, NETXEN_ROMUSB_ROM_DUMMY_BYTE_CNT, 0);
-	NXWR32(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 3);
-	NXWR32(adapter, NETXEN_ROMUSB_ROM_INSTR_OPCODE, 0xb);
-	if (netxen_wait_rom_done(adapter)) {
-		printk("Error waiting for rom done\n");
-		return -EIO;
-	}
-	/* reset abyte_cnt and dummy_byte_cnt */
-	NXWR32(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 0);
-	udelay(10);
-	NXWR32(adapter, NETXEN_ROMUSB_ROM_DUMMY_BYTE_CNT, 0);
-
-	*valp = NXRD32(adapter, NETXEN_ROMUSB_ROM_RDATA);
-	return 0;
-}
-
-static int do_rom_fast_read_words(struct netxen_adapter *adapter, int addr,
-				  u8 *bytes, size_t size)
-{
-	int addridx;
-	int ret = 0;
-
-	for (addridx = addr; addridx < (addr + size); addridx += 4) {
-		int v;
-		ret = do_rom_fast_read(adapter, addridx, &v);
-		if (ret != 0)
-			break;
-		*(__le32 *)bytes = cpu_to_le32(v);
-		bytes += 4;
-	}
-
-	return ret;
-}
-
-int
-netxen_rom_fast_read_words(struct netxen_adapter *adapter, int addr,
-				u8 *bytes, size_t size)
-{
-	int ret;
-
-	ret = netxen_rom_lock(adapter);
-	if (ret < 0)
-		return ret;
-
-	ret = do_rom_fast_read_words(adapter, addr, bytes, size);
-
-	netxen_rom_unlock(adapter);
-	return ret;
-}
-
-int netxen_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp)
-{
-	int ret;
-
-	if (netxen_rom_lock(adapter) != 0)
-		return -EIO;
-
-	ret = do_rom_fast_read(adapter, addr, valp);
-	netxen_rom_unlock(adapter);
-	return ret;
-}
-
-#define NETXEN_BOARDTYPE		0x4008
-#define NETXEN_BOARDNUM 		0x400c
-#define NETXEN_CHIPNUM			0x4010
-
-int netxen_pinit_from_rom(struct netxen_adapter *adapter)
-{
-	int addr, val;
-	int i, n, init_delay = 0;
-	struct crb_addr_pair *buf;
-	unsigned offset;
-	u32 off;
-
-	/* resetall */
-	netxen_rom_lock(adapter);
-	NXWR32(adapter, NETXEN_ROMUSB_GLB_SW_RESET, 0xffffffff);
-	netxen_rom_unlock(adapter);
-
-	if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
-		if (netxen_rom_fast_read(adapter, 0, &n) != 0 ||
-			(n != 0xcafecafe) ||
-			netxen_rom_fast_read(adapter, 4, &n) != 0) {
-			printk(KERN_ERR "%s: ERROR Reading crb_init area: "
-					"n: %08x\n", netxen_nic_driver_name, n);
-			return -EIO;
-		}
-		offset = n & 0xffffU;
-		n = (n >> 16) & 0xffffU;
-	} else {
-		if (netxen_rom_fast_read(adapter, 0, &n) != 0 ||
-			!(n & 0x80000000)) {
-			printk(KERN_ERR "%s: ERROR Reading crb_init area: "
-					"n: %08x\n", netxen_nic_driver_name, n);
-			return -EIO;
-		}
-		offset = 1;
-		n &= ~0x80000000;
-	}
-
-	if (n >= 1024) {
-		printk(KERN_ERR "%s:n=0x%x Error! NetXen card flash not"
-		       " initialized.\n", __func__, n);
-		return -EIO;
-	}
-
-	buf = kcalloc(n, sizeof(struct crb_addr_pair), GFP_KERNEL);
-	if (buf == NULL) {
-		printk("%s: netxen_pinit_from_rom: Unable to calloc memory.\n",
-				netxen_nic_driver_name);
-		return -ENOMEM;
-	}
-
-	for (i = 0; i < n; i++) {
-		if (netxen_rom_fast_read(adapter, 8*i + 4*offset, &val) != 0 ||
-		netxen_rom_fast_read(adapter, 8*i + 4*offset + 4, &addr) != 0) {
-			kfree(buf);
-			return -EIO;
-		}
-
-		buf[i].addr = addr;
-		buf[i].data = val;
-
-	}
-
-	for (i = 0; i < n; i++) {
-
-		off = netxen_decode_crb_addr(buf[i].addr);
-		if (off == NETXEN_ADDR_ERROR) {
-			printk(KERN_ERR"CRB init value out of range %x\n",
-					buf[i].addr);
-			continue;
-		}
-		off += NETXEN_PCI_CRBSPACE;
-
-		if (off & 1)
-			continue;
-
-		/* skipping cold reboot MAGIC */
-		if (off == NETXEN_CAM_RAM(0x1fc))
-			continue;
-
-		if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
-			if (off == (NETXEN_CRB_I2C0 + 0x1c))
-				continue;
-			/* do not reset PCI */
-			if (off == (ROMUSB_GLB + 0xbc))
-				continue;
-			if (off == (ROMUSB_GLB + 0xa8))
-				continue;
-			if (off == (ROMUSB_GLB + 0xc8)) /* core clock */
-				continue;
-			if (off == (ROMUSB_GLB + 0x24)) /* MN clock */
-				continue;
-			if (off == (ROMUSB_GLB + 0x1c)) /* MS clock */
-				continue;
-			if ((off & 0x0ff00000) == NETXEN_CRB_DDR_NET)
-				continue;
-			if (off == (NETXEN_CRB_PEG_NET_1 + 0x18) &&
-				!NX_IS_REVISION_P3P(adapter->ahw.revision_id))
-				buf[i].data = 0x1020;
-			/* skip the function enable register */
-			if (off == NETXEN_PCIE_REG(PCIE_SETUP_FUNCTION))
-				continue;
-			if (off == NETXEN_PCIE_REG(PCIE_SETUP_FUNCTION2))
-				continue;
-			if ((off & 0x0ff00000) == NETXEN_CRB_SMB)
-				continue;
-		}
-
-		init_delay = 1;
-		/* After writing this register, HW needs time for CRB */
-		/* to quiet down (else crb_window returns 0xffffffff) */
-		if (off == NETXEN_ROMUSB_GLB_SW_RESET) {
-			init_delay = 1000;
-			if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
-				/* hold xdma in reset also */
-				buf[i].data = NETXEN_NIC_XDMA_RESET;
-				buf[i].data = 0x8000ff;
-			}
-		}
-
-		NXWR32(adapter, off, buf[i].data);
-
-		msleep(init_delay);
-	}
-	kfree(buf);
-
-	/* disable_peg_cache_all */
-
-	/* unreset_net_cache */
-	if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
-		val = NXRD32(adapter, NETXEN_ROMUSB_GLB_SW_RESET);
-		NXWR32(adapter, NETXEN_ROMUSB_GLB_SW_RESET, (val & 0xffffff0f));
-	}
-
-	/* p2dn replyCount */
-	NXWR32(adapter, NETXEN_CRB_PEG_NET_D + 0xec, 0x1e);
-	/* disable_peg_cache 0 */
-	NXWR32(adapter, NETXEN_CRB_PEG_NET_D + 0x4c, 8);
-	/* disable_peg_cache 1 */
-	NXWR32(adapter, NETXEN_CRB_PEG_NET_I + 0x4c, 8);
-
-	/* peg_clr_all */
-
-	/* peg_clr 0 */
-	NXWR32(adapter, NETXEN_CRB_PEG_NET_0 + 0x8, 0);
-	NXWR32(adapter, NETXEN_CRB_PEG_NET_0 + 0xc, 0);
-	/* peg_clr 1 */
-	NXWR32(adapter, NETXEN_CRB_PEG_NET_1 + 0x8, 0);
-	NXWR32(adapter, NETXEN_CRB_PEG_NET_1 + 0xc, 0);
-	/* peg_clr 2 */
-	NXWR32(adapter, NETXEN_CRB_PEG_NET_2 + 0x8, 0);
-	NXWR32(adapter, NETXEN_CRB_PEG_NET_2 + 0xc, 0);
-	/* peg_clr 3 */
-	NXWR32(adapter, NETXEN_CRB_PEG_NET_3 + 0x8, 0);
-	NXWR32(adapter, NETXEN_CRB_PEG_NET_3 + 0xc, 0);
-	return 0;
-}
-
-static struct uni_table_desc *nx_get_table_desc(const u8 *unirom, int section)
-{
-	uint32_t i;
-	struct uni_table_desc *directory = (struct uni_table_desc *) &unirom[0];
-	__le32 entries = cpu_to_le32(directory->num_entries);
-
-	for (i = 0; i < entries; i++) {
-
-		__le32 offs = cpu_to_le32(directory->findex) +
-				(i * cpu_to_le32(directory->entry_size));
-		__le32 tab_type = cpu_to_le32(*((u32 *)&unirom[offs] + 8));
-
-		if (tab_type == section)
-			return (struct uni_table_desc *) &unirom[offs];
-	}
-
-	return NULL;
-}
-
-#define	QLCNIC_FILEHEADER_SIZE	(14 * 4)
-
-static int
-netxen_nic_validate_header(struct netxen_adapter *adapter)
- {
-	const u8 *unirom = adapter->fw->data;
-	struct uni_table_desc *directory = (struct uni_table_desc *) &unirom[0];
-	u32 fw_file_size = adapter->fw->size;
-	u32 tab_size;
-	__le32 entries;
-	__le32 entry_size;
-
-	if (fw_file_size < QLCNIC_FILEHEADER_SIZE)
-		return -EINVAL;
-
-	entries = cpu_to_le32(directory->num_entries);
-	entry_size = cpu_to_le32(directory->entry_size);
-	tab_size = cpu_to_le32(directory->findex) + (entries * entry_size);
-
-	if (fw_file_size < tab_size)
-		return -EINVAL;
-
-	return 0;
-}
-
-static int
-netxen_nic_validate_bootld(struct netxen_adapter *adapter)
-{
-	struct uni_table_desc *tab_desc;
-	struct uni_data_desc *descr;
-	const u8 *unirom = adapter->fw->data;
-	__le32 idx = cpu_to_le32(*((int *)&unirom[adapter->file_prd_off] +
-				NX_UNI_BOOTLD_IDX_OFF));
-	u32 offs;
-	u32 tab_size;
-	u32 data_size;
-
-	tab_desc = nx_get_table_desc(unirom, NX_UNI_DIR_SECT_BOOTLD);
-
-	if (!tab_desc)
-		return -EINVAL;
-
-	tab_size = cpu_to_le32(tab_desc->findex) +
-			(cpu_to_le32(tab_desc->entry_size) * (idx + 1));
-
-	if (adapter->fw->size < tab_size)
-		return -EINVAL;
-
-	offs = cpu_to_le32(tab_desc->findex) +
-		(cpu_to_le32(tab_desc->entry_size) * (idx));
-	descr = (struct uni_data_desc *)&unirom[offs];
-
-	data_size = cpu_to_le32(descr->findex) + cpu_to_le32(descr->size);
-
-	if (adapter->fw->size < data_size)
-		return -EINVAL;
-
-	return 0;
-}
-
-static int
-netxen_nic_validate_fw(struct netxen_adapter *adapter)
-{
-	struct uni_table_desc *tab_desc;
-	struct uni_data_desc *descr;
-	const u8 *unirom = adapter->fw->data;
-	__le32 idx = cpu_to_le32(*((int *)&unirom[adapter->file_prd_off] +
-				NX_UNI_FIRMWARE_IDX_OFF));
-	u32 offs;
-	u32 tab_size;
-	u32 data_size;
-
-	tab_desc = nx_get_table_desc(unirom, NX_UNI_DIR_SECT_FW);
-
-	if (!tab_desc)
-		return -EINVAL;
-
-	tab_size = cpu_to_le32(tab_desc->findex) +
-			(cpu_to_le32(tab_desc->entry_size) * (idx + 1));
-
-	if (adapter->fw->size < tab_size)
-		return -EINVAL;
-
-	offs = cpu_to_le32(tab_desc->findex) +
-		(cpu_to_le32(tab_desc->entry_size) * (idx));
-	descr = (struct uni_data_desc *)&unirom[offs];
-	data_size = cpu_to_le32(descr->findex) + cpu_to_le32(descr->size);
-
-	if (adapter->fw->size < data_size)
-		return -EINVAL;
-
-	return 0;
-}
-
-
-static int
-netxen_nic_validate_product_offs(struct netxen_adapter *adapter)
-{
-	struct uni_table_desc *ptab_descr;
-	const u8 *unirom = adapter->fw->data;
-	int mn_present = (NX_IS_REVISION_P2(adapter->ahw.revision_id)) ?
-			1 : netxen_p3_has_mn(adapter);
-	__le32 entries;
-	__le32 entry_size;
-	u32 tab_size;
-	u32 i;
-
-	ptab_descr = nx_get_table_desc(unirom, NX_UNI_DIR_SECT_PRODUCT_TBL);
-	if (ptab_descr == NULL)
-		return -EINVAL;
-
-	entries = cpu_to_le32(ptab_descr->num_entries);
-	entry_size = cpu_to_le32(ptab_descr->entry_size);
-	tab_size = cpu_to_le32(ptab_descr->findex) + (entries * entry_size);
-
-	if (adapter->fw->size < tab_size)
-		return -EINVAL;
-
-nomn:
-	for (i = 0; i < entries; i++) {
-
-		__le32 flags, file_chiprev, offs;
-		u8 chiprev = adapter->ahw.revision_id;
-		uint32_t flagbit;
-
-		offs = cpu_to_le32(ptab_descr->findex) +
-				(i * cpu_to_le32(ptab_descr->entry_size));
-		flags = cpu_to_le32(*((int *)&unirom[offs] + NX_UNI_FLAGS_OFF));
-		file_chiprev = cpu_to_le32(*((int *)&unirom[offs] +
-							NX_UNI_CHIP_REV_OFF));
-
-		flagbit = mn_present ? 1 : 2;
-
-		if ((chiprev == file_chiprev) &&
-					((1ULL << flagbit) & flags)) {
-			adapter->file_prd_off = offs;
-			return 0;
-		}
-	}
-
-	if (mn_present && NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
-		mn_present = 0;
-		goto nomn;
-	}
-
-	return -EINVAL;
-}
-
-static int
-netxen_nic_validate_unified_romimage(struct netxen_adapter *adapter)
-{
-	if (netxen_nic_validate_header(adapter)) {
-		dev_err(&adapter->pdev->dev,
-				"unified image: header validation failed\n");
-		return -EINVAL;
-	}
-
-	if (netxen_nic_validate_product_offs(adapter)) {
-		dev_err(&adapter->pdev->dev,
-				"unified image: product validation failed\n");
-		return -EINVAL;
-	}
-
-	if (netxen_nic_validate_bootld(adapter)) {
-		dev_err(&adapter->pdev->dev,
-				"unified image: bootld validation failed\n");
-		return -EINVAL;
-	}
-
-	if (netxen_nic_validate_fw(adapter)) {
-		dev_err(&adapter->pdev->dev,
-				"unified image: firmware validation failed\n");
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-static struct uni_data_desc *nx_get_data_desc(struct netxen_adapter *adapter,
-			u32 section, u32 idx_offset)
-{
-	const u8 *unirom = adapter->fw->data;
-	int idx = cpu_to_le32(*((int *)&unirom[adapter->file_prd_off] +
-								idx_offset));
-	struct uni_table_desc *tab_desc;
-	__le32 offs;
-
-	tab_desc = nx_get_table_desc(unirom, section);
-
-	if (tab_desc == NULL)
-		return NULL;
-
-	offs = cpu_to_le32(tab_desc->findex) +
-			(cpu_to_le32(tab_desc->entry_size) * idx);
-
-	return (struct uni_data_desc *)&unirom[offs];
-}
-
-static u8 *
-nx_get_bootld_offs(struct netxen_adapter *adapter)
-{
-	u32 offs = NETXEN_BOOTLD_START;
-
-	if (adapter->fw_type == NX_UNIFIED_ROMIMAGE)
-		offs = cpu_to_le32((nx_get_data_desc(adapter,
-					NX_UNI_DIR_SECT_BOOTLD,
-					NX_UNI_BOOTLD_IDX_OFF))->findex);
-
-	return (u8 *)&adapter->fw->data[offs];
-}
-
-static u8 *
-nx_get_fw_offs(struct netxen_adapter *adapter)
-{
-	u32 offs = NETXEN_IMAGE_START;
-
-	if (adapter->fw_type == NX_UNIFIED_ROMIMAGE)
-		offs = cpu_to_le32((nx_get_data_desc(adapter,
-					NX_UNI_DIR_SECT_FW,
-					NX_UNI_FIRMWARE_IDX_OFF))->findex);
-
-	return (u8 *)&adapter->fw->data[offs];
-}
-
-static __le32
-nx_get_fw_size(struct netxen_adapter *adapter)
-{
-	if (adapter->fw_type == NX_UNIFIED_ROMIMAGE)
-		return cpu_to_le32((nx_get_data_desc(adapter,
-					NX_UNI_DIR_SECT_FW,
-					NX_UNI_FIRMWARE_IDX_OFF))->size);
-	else
-		return cpu_to_le32(
-				*(u32 *)&adapter->fw->data[NX_FW_SIZE_OFFSET]);
-}
-
-static __le32
-nx_get_fw_version(struct netxen_adapter *adapter)
-{
-	struct uni_data_desc *fw_data_desc;
-	const struct firmware *fw = adapter->fw;
-	__le32 major, minor, sub;
-	const u8 *ver_str;
-	int i, ret = 0;
-
-	if (adapter->fw_type == NX_UNIFIED_ROMIMAGE) {
-
-		fw_data_desc = nx_get_data_desc(adapter,
-				NX_UNI_DIR_SECT_FW, NX_UNI_FIRMWARE_IDX_OFF);
-		ver_str = fw->data + cpu_to_le32(fw_data_desc->findex) +
-				cpu_to_le32(fw_data_desc->size) - 17;
-
-		for (i = 0; i < 12; i++) {
-			if (!strncmp(&ver_str[i], "REV=", 4)) {
-				ret = sscanf(&ver_str[i+4], "%u.%u.%u ",
-							&major, &minor, &sub);
-				break;
-			}
-		}
-
-		if (ret != 3)
-			return 0;
-
-		return major + (minor << 8) + (sub << 16);
-
-	} else
-		return cpu_to_le32(*(u32 *)&fw->data[NX_FW_VERSION_OFFSET]);
-}
-
-static __le32
-nx_get_bios_version(struct netxen_adapter *adapter)
-{
-	const struct firmware *fw = adapter->fw;
-	__le32 bios_ver, prd_off = adapter->file_prd_off;
-
-	if (adapter->fw_type == NX_UNIFIED_ROMIMAGE) {
-		bios_ver = cpu_to_le32(*((u32 *) (&fw->data[prd_off])
-						+ NX_UNI_BIOS_VERSION_OFF));
-		return (bios_ver << 16) + ((bios_ver >> 8) & 0xff00) +
-							(bios_ver >> 24);
-	} else
-		return cpu_to_le32(*(u32 *)&fw->data[NX_BIOS_VERSION_OFFSET]);
-
-}
-
-int
-netxen_need_fw_reset(struct netxen_adapter *adapter)
-{
-	u32 count, old_count;
-	u32 val, version, major, minor, build;
-	int i, timeout;
-	u8 fw_type;
-
-	/* NX2031 firmware doesn't support heartbit */
-	if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
-		return 1;
-
-	if (adapter->need_fw_reset)
-		return 1;
-
-	/* last attempt had failed */
-	if (NXRD32(adapter, CRB_CMDPEG_STATE) == PHAN_INITIALIZE_FAILED)
-		return 1;
-
-	old_count = NXRD32(adapter, NETXEN_PEG_ALIVE_COUNTER);
-
-	for (i = 0; i < 10; i++) {
-
-		timeout = msleep_interruptible(200);
-		if (timeout) {
-			NXWR32(adapter, CRB_CMDPEG_STATE,
-					PHAN_INITIALIZE_FAILED);
-			return -EINTR;
-		}
-
-		count = NXRD32(adapter, NETXEN_PEG_ALIVE_COUNTER);
-		if (count != old_count)
-			break;
-	}
-
-	/* firmware is dead */
-	if (count == old_count)
-		return 1;
-
-	/* check if we have got newer or different file firmware */
-	if (adapter->fw) {
-
-		val = nx_get_fw_version(adapter);
-
-		version = NETXEN_DECODE_VERSION(val);
-
-		major = NXRD32(adapter, NETXEN_FW_VERSION_MAJOR);
-		minor = NXRD32(adapter, NETXEN_FW_VERSION_MINOR);
-		build = NXRD32(adapter, NETXEN_FW_VERSION_SUB);
-
-		if (version > NETXEN_VERSION_CODE(major, minor, build))
-			return 1;
-
-		if (version == NETXEN_VERSION_CODE(major, minor, build) &&
-			adapter->fw_type != NX_UNIFIED_ROMIMAGE) {
-
-			val = NXRD32(adapter, NETXEN_MIU_MN_CONTROL);
-			fw_type = (val & 0x4) ?
-				NX_P3_CT_ROMIMAGE : NX_P3_MN_ROMIMAGE;
-
-			if (adapter->fw_type != fw_type)
-				return 1;
-		}
-	}
-
-	return 0;
-}
-
-#define NETXEN_MIN_P3_FW_SUPP	NETXEN_VERSION_CODE(4, 0, 505)
-
-int
-netxen_check_flash_fw_compatibility(struct netxen_adapter *adapter)
-{
-	u32 flash_fw_ver, min_fw_ver;
-
-	if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
-		return 0;
-
-	if (netxen_rom_fast_read(adapter,
-			NX_FW_VERSION_OFFSET, (int *)&flash_fw_ver)) {
-		dev_err(&adapter->pdev->dev, "Unable to read flash fw"
-			"version\n");
-		return -EIO;
-	}
-
-	flash_fw_ver = NETXEN_DECODE_VERSION(flash_fw_ver);
-	min_fw_ver = NETXEN_MIN_P3_FW_SUPP;
-	if (flash_fw_ver >= min_fw_ver)
-		return 0;
-
-	dev_info(&adapter->pdev->dev, "Flash fw[%d.%d.%d] is < min fw supported"
-		"[4.0.505]. Please update firmware on flash\n",
-		_major(flash_fw_ver), _minor(flash_fw_ver),
-		_build(flash_fw_ver));
-	return -EINVAL;
-}
-
-static char *fw_name[] = {
-	NX_P2_MN_ROMIMAGE_NAME,
-	NX_P3_CT_ROMIMAGE_NAME,
-	NX_P3_MN_ROMIMAGE_NAME,
-	NX_UNIFIED_ROMIMAGE_NAME,
-	NX_FLASH_ROMIMAGE_NAME,
-};
-
-int
-netxen_load_firmware(struct netxen_adapter *adapter)
-{
-	u64 *ptr64;
-	u32 i, flashaddr, size;
-	const struct firmware *fw = adapter->fw;
-	struct pci_dev *pdev = adapter->pdev;
-
-	dev_info(&pdev->dev, "loading firmware from %s\n",
-			fw_name[adapter->fw_type]);
-
-	if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
-		NXWR32(adapter, NETXEN_ROMUSB_GLB_CAS_RST, 1);
-
-	if (fw) {
-		__le64 data;
-
-		size = (NETXEN_IMAGE_START - NETXEN_BOOTLD_START) / 8;
-
-		ptr64 = (u64 *)nx_get_bootld_offs(adapter);
-		flashaddr = NETXEN_BOOTLD_START;
-
-		for (i = 0; i < size; i++) {
-			data = cpu_to_le64(ptr64[i]);
-
-			if (adapter->pci_mem_write(adapter, flashaddr, data))
-				return -EIO;
-
-			flashaddr += 8;
-		}
-
-		size = (__force u32)nx_get_fw_size(adapter) / 8;
-
-		ptr64 = (u64 *)nx_get_fw_offs(adapter);
-		flashaddr = NETXEN_IMAGE_START;
-
-		for (i = 0; i < size; i++) {
-			data = cpu_to_le64(ptr64[i]);
-
-			if (adapter->pci_mem_write(adapter,
-						flashaddr, data))
-				return -EIO;
-
-			flashaddr += 8;
-		}
-
-		size = (__force u32)nx_get_fw_size(adapter) % 8;
-		if (size) {
-			data = cpu_to_le64(ptr64[i]);
-
-			if (adapter->pci_mem_write(adapter,
-						flashaddr, data))
-				return -EIO;
-		}
-
-	} else {
-		u64 data;
-		u32 hi, lo;
-
-		size = (NETXEN_IMAGE_START - NETXEN_BOOTLD_START) / 8;
-		flashaddr = NETXEN_BOOTLD_START;
-
-		for (i = 0; i < size; i++) {
-			if (netxen_rom_fast_read(adapter,
-					flashaddr, (int *)&lo) != 0)
-				return -EIO;
-			if (netxen_rom_fast_read(adapter,
-					flashaddr + 4, (int *)&hi) != 0)
-				return -EIO;
-
-			/* hi, lo are already in host endian byteorder */
-			data = (((u64)hi << 32) | lo);
-
-			if (adapter->pci_mem_write(adapter,
-						flashaddr, data))
-				return -EIO;
-
-			flashaddr += 8;
-		}
-	}
-	msleep(1);
-
-	if (NX_IS_REVISION_P3P(adapter->ahw.revision_id)) {
-		NXWR32(adapter, NETXEN_CRB_PEG_NET_0 + 0x18, 0x1020);
-		NXWR32(adapter, NETXEN_ROMUSB_GLB_SW_RESET, 0x80001e);
-	} else if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
-		NXWR32(adapter, NETXEN_ROMUSB_GLB_SW_RESET, 0x80001d);
-	else {
-		NXWR32(adapter, NETXEN_ROMUSB_GLB_CHIP_CLK_CTRL, 0x3fff);
-		NXWR32(adapter, NETXEN_ROMUSB_GLB_CAS_RST, 0);
-	}
-
-	return 0;
-}
-
-static int
-netxen_validate_firmware(struct netxen_adapter *adapter)
-{
-	__le32 val;
-	__le32 flash_fw_ver;
-	u32 file_fw_ver, min_ver, bios;
-	struct pci_dev *pdev = adapter->pdev;
-	const struct firmware *fw = adapter->fw;
-	u8 fw_type = adapter->fw_type;
-	u32 crbinit_fix_fw;
-
-	if (fw_type == NX_UNIFIED_ROMIMAGE) {
-		if (netxen_nic_validate_unified_romimage(adapter))
-			return -EINVAL;
-	} else {
-		val = cpu_to_le32(*(u32 *)&fw->data[NX_FW_MAGIC_OFFSET]);
-		if ((__force u32)val != NETXEN_BDINFO_MAGIC)
-			return -EINVAL;
-
-		if (fw->size < NX_FW_MIN_SIZE)
-			return -EINVAL;
-	}
-
-	val = nx_get_fw_version(adapter);
-
-	if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
-		min_ver = NETXEN_MIN_P3_FW_SUPP;
-	else
-		min_ver = NETXEN_VERSION_CODE(3, 4, 216);
-
-	file_fw_ver = NETXEN_DECODE_VERSION(val);
-
-	if ((_major(file_fw_ver) > _NETXEN_NIC_LINUX_MAJOR) ||
-	    (file_fw_ver < min_ver)) {
-		dev_err(&pdev->dev,
-				"%s: firmware version %d.%d.%d unsupported\n",
-		fw_name[fw_type], _major(file_fw_ver), _minor(file_fw_ver),
-		 _build(file_fw_ver));
-		return -EINVAL;
-	}
-
-	val = nx_get_bios_version(adapter);
-	netxen_rom_fast_read(adapter, NX_BIOS_VERSION_OFFSET, (int *)&bios);
-	if ((__force u32)val != bios) {
-		dev_err(&pdev->dev, "%s: firmware bios is incompatible\n",
-				fw_name[fw_type]);
-		return -EINVAL;
-	}
-
-	if (netxen_rom_fast_read(adapter,
-			NX_FW_VERSION_OFFSET, (int *)&flash_fw_ver)) {
-		dev_err(&pdev->dev, "Unable to read flash fw version\n");
-		return -EIO;
-	}
-	flash_fw_ver = NETXEN_DECODE_VERSION(flash_fw_ver);
-
-	/* New fw from file is not allowed, if fw on flash is < 4.0.554 */
-	crbinit_fix_fw = NETXEN_VERSION_CODE(4, 0, 554);
-	if (file_fw_ver >= crbinit_fix_fw && flash_fw_ver < crbinit_fix_fw &&
-	    NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
-		dev_err(&pdev->dev, "Incompatibility detected between driver "
-			"and firmware version on flash. This configuration "
-			"is not recommended. Please update the firmware on "
-			"flash immediately\n");
-		return -EINVAL;
-	}
-
-	/* check if flashed firmware is newer only for no-mn and P2 case*/
-	if (!netxen_p3_has_mn(adapter) ||
-	    NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
-		if (flash_fw_ver > file_fw_ver) {
-			dev_info(&pdev->dev, "%s: firmware is older than flash\n",
-				fw_name[fw_type]);
-			return -EINVAL;
-		}
-	}
-
-	NXWR32(adapter, NETXEN_CAM_RAM(0x1fc), NETXEN_BDINFO_MAGIC);
-	return 0;
-}
-
-static void
-nx_get_next_fwtype(struct netxen_adapter *adapter)
-{
-	u8 fw_type;
-
-	switch (adapter->fw_type) {
-	case NX_UNKNOWN_ROMIMAGE:
-		fw_type = NX_UNIFIED_ROMIMAGE;
-		break;
-
-	case NX_UNIFIED_ROMIMAGE:
-		if (NX_IS_REVISION_P3P(adapter->ahw.revision_id))
-			fw_type = NX_FLASH_ROMIMAGE;
-		else if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
-			fw_type = NX_P2_MN_ROMIMAGE;
-		else if (netxen_p3_has_mn(adapter))
-			fw_type = NX_P3_MN_ROMIMAGE;
-		else
-			fw_type = NX_P3_CT_ROMIMAGE;
-		break;
-
-	case NX_P3_MN_ROMIMAGE:
-		fw_type = NX_P3_CT_ROMIMAGE;
-		break;
-
-	case NX_P2_MN_ROMIMAGE:
-	case NX_P3_CT_ROMIMAGE:
-	default:
-		fw_type = NX_FLASH_ROMIMAGE;
-		break;
-	}
-
-	adapter->fw_type = fw_type;
-}
-
-static int
-netxen_p3_has_mn(struct netxen_adapter *adapter)
-{
-	u32 capability, flashed_ver;
-	capability = 0;
-
-	/* NX2031 always had MN */
-	if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
-		return 1;
-
-	netxen_rom_fast_read(adapter,
-			NX_FW_VERSION_OFFSET, (int *)&flashed_ver);
-	flashed_ver = NETXEN_DECODE_VERSION(flashed_ver);
-
-	if (flashed_ver >= NETXEN_VERSION_CODE(4, 0, 220)) {
-
-		capability = NXRD32(adapter, NX_PEG_TUNE_CAPABILITY);
-		if (capability & NX_PEG_TUNE_MN_PRESENT)
-			return 1;
-	}
-	return 0;
-}
-
-void netxen_request_firmware(struct netxen_adapter *adapter)
-{
-	struct pci_dev *pdev = adapter->pdev;
-	int rc = 0;
-
-	adapter->fw_type = NX_UNKNOWN_ROMIMAGE;
-
-next:
-	nx_get_next_fwtype(adapter);
-
-	if (adapter->fw_type == NX_FLASH_ROMIMAGE) {
-		adapter->fw = NULL;
-	} else {
-		rc = request_firmware(&adapter->fw,
-				fw_name[adapter->fw_type], &pdev->dev);
-		if (rc != 0)
-			goto next;
-
-		rc = netxen_validate_firmware(adapter);
-		if (rc != 0) {
-			release_firmware(adapter->fw);
-			msleep(1);
-			goto next;
-		}
-	}
-}
-
-
-void
-netxen_release_firmware(struct netxen_adapter *adapter)
-{
-	if (adapter->fw)
-		release_firmware(adapter->fw);
-	adapter->fw = NULL;
-}
-
-int netxen_init_dummy_dma(struct netxen_adapter *adapter)
-{
-	u64 addr;
-	u32 hi, lo;
-
-	if (!NX_IS_REVISION_P2(adapter->ahw.revision_id))
-		return 0;
-
-	adapter->dummy_dma.addr = pci_alloc_consistent(adapter->pdev,
-				 NETXEN_HOST_DUMMY_DMA_SIZE,
-				 &adapter->dummy_dma.phys_addr);
-	if (adapter->dummy_dma.addr == NULL) {
-		dev_err(&adapter->pdev->dev,
-			"ERROR: Could not allocate dummy DMA memory\n");
-		return -ENOMEM;
-	}
-
-	addr = (uint64_t) adapter->dummy_dma.phys_addr;
-	hi = (addr >> 32) & 0xffffffff;
-	lo = addr & 0xffffffff;
-
-	NXWR32(adapter, CRB_HOST_DUMMY_BUF_ADDR_HI, hi);
-	NXWR32(adapter, CRB_HOST_DUMMY_BUF_ADDR_LO, lo);
-
-	return 0;
-}
-
-/*
- * NetXen DMA watchdog control:
- *
- *	Bit 0		: enabled => R/O: 1 watchdog active, 0 inactive
- *	Bit 1		: disable_request => 1 req disable dma watchdog
- *	Bit 2		: enable_request =>  1 req enable dma watchdog
- *	Bit 3-31	: unused
- */
-void netxen_free_dummy_dma(struct netxen_adapter *adapter)
-{
-	int i = 100;
-	u32 ctrl;
-
-	if (!NX_IS_REVISION_P2(adapter->ahw.revision_id))
-		return;
-
-	if (!adapter->dummy_dma.addr)
-		return;
-
-	ctrl = NXRD32(adapter, NETXEN_DMA_WATCHDOG_CTRL);
-	if ((ctrl & 0x1) != 0) {
-		NXWR32(adapter, NETXEN_DMA_WATCHDOG_CTRL, (ctrl | 0x2));
-
-		while ((ctrl & 0x1) != 0) {
-
-			msleep(50);
-
-			ctrl = NXRD32(adapter, NETXEN_DMA_WATCHDOG_CTRL);
-
-			if (--i == 0)
-				break;
-		}
-	}
-
-	if (i) {
-		pci_free_consistent(adapter->pdev,
-			    NETXEN_HOST_DUMMY_DMA_SIZE,
-			    adapter->dummy_dma.addr,
-			    adapter->dummy_dma.phys_addr);
-		adapter->dummy_dma.addr = NULL;
-	} else
-		dev_err(&adapter->pdev->dev, "dma_watchdog_shutdown failed\n");
-}
-
-int netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val)
-{
-	u32 val = 0;
-	int retries = 60;
-
-	if (pegtune_val)
-		return 0;
-
-	do {
-		val = NXRD32(adapter, CRB_CMDPEG_STATE);
-
-		switch (val) {
-		case PHAN_INITIALIZE_COMPLETE:
-		case PHAN_INITIALIZE_ACK:
-			return 0;
-		case PHAN_INITIALIZE_FAILED:
-			goto out_err;
-		default:
-			break;
-		}
-
-		msleep(500);
-
-	} while (--retries);
-
-	NXWR32(adapter, CRB_CMDPEG_STATE, PHAN_INITIALIZE_FAILED);
-
-out_err:
-	dev_warn(&adapter->pdev->dev, "firmware init failed\n");
-	return -EIO;
-}
-
-static int
-netxen_receive_peg_ready(struct netxen_adapter *adapter)
-{
-	u32 val = 0;
-	int retries = 2000;
-
-	do {
-		val = NXRD32(adapter, CRB_RCVPEG_STATE);
-
-		if (val == PHAN_PEG_RCV_INITIALIZED)
-			return 0;
-
-		msleep(10);
-
-	} while (--retries);
-
-	if (!retries) {
-		printk(KERN_ERR "Receive Peg initialization not "
-			      "complete, state: 0x%x.\n", val);
-		return -EIO;
-	}
-
-	return 0;
-}
-
-int netxen_init_firmware(struct netxen_adapter *adapter)
-{
-	int err;
-
-	err = netxen_receive_peg_ready(adapter);
-	if (err)
-		return err;
-
-	NXWR32(adapter, CRB_NIC_CAPABILITIES_HOST, INTR_SCHEME_PERPORT);
-	NXWR32(adapter, CRB_MPORT_MODE, MPORT_MULTI_FUNCTION_MODE);
-	NXWR32(adapter, CRB_CMDPEG_STATE, PHAN_INITIALIZE_ACK);
-
-	if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
-		NXWR32(adapter, CRB_NIC_MSI_MODE_HOST, MSI_MODE_MULTIFUNC);
-
-	return err;
-}
-
-static void
-netxen_handle_linkevent(struct netxen_adapter *adapter, nx_fw_msg_t *msg)
-{
-	u32 cable_OUI;
-	u16 cable_len;
-	u16 link_speed;
-	u8  link_status, module, duplex, autoneg;
-	struct net_device *netdev = adapter->netdev;
-
-	adapter->has_link_events = 1;
-
-	cable_OUI = msg->body[1] & 0xffffffff;
-	cable_len = (msg->body[1] >> 32) & 0xffff;
-	link_speed = (msg->body[1] >> 48) & 0xffff;
-
-	link_status = msg->body[2] & 0xff;
-	duplex = (msg->body[2] >> 16) & 0xff;
-	autoneg = (msg->body[2] >> 24) & 0xff;
-
-	module = (msg->body[2] >> 8) & 0xff;
-	if (module == LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLE) {
-		printk(KERN_INFO "%s: unsupported cable: OUI 0x%x, length %d\n",
-				netdev->name, cable_OUI, cable_len);
-	} else if (module == LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLELEN) {
-		printk(KERN_INFO "%s: unsupported cable length %d\n",
-				netdev->name, cable_len);
-	}
-
-	netxen_advert_link_change(adapter, link_status);
-
-	/* update link parameters */
-	if (duplex == LINKEVENT_FULL_DUPLEX)
-		adapter->link_duplex = DUPLEX_FULL;
-	else
-		adapter->link_duplex = DUPLEX_HALF;
-	adapter->module_type = module;
-	adapter->link_autoneg = autoneg;
-	adapter->link_speed = link_speed;
-}
-
-static void
-netxen_handle_fw_message(int desc_cnt, int index,
-		struct nx_host_sds_ring *sds_ring)
-{
-	nx_fw_msg_t msg;
-	struct status_desc *desc;
-	int i = 0, opcode;
-
-	while (desc_cnt > 0 && i < 8) {
-		desc = &sds_ring->desc_head[index];
-		msg.words[i++] = le64_to_cpu(desc->status_desc_data[0]);
-		msg.words[i++] = le64_to_cpu(desc->status_desc_data[1]);
-
-		index = get_next_index(index, sds_ring->num_desc);
-		desc_cnt--;
-	}
-
-	opcode = netxen_get_nic_msg_opcode(msg.body[0]);
-	switch (opcode) {
-	case NX_NIC_C2H_OPCODE_GET_LINKEVENT_RESPONSE:
-		netxen_handle_linkevent(sds_ring->adapter, &msg);
-		break;
-	default:
-		break;
-	}
-}
-
-static int
-netxen_alloc_rx_skb(struct netxen_adapter *adapter,
-		struct nx_host_rds_ring *rds_ring,
-		struct netxen_rx_buffer *buffer)
-{
-	struct sk_buff *skb;
-	dma_addr_t dma;
-	struct pci_dev *pdev = adapter->pdev;
-
-	buffer->skb = dev_alloc_skb(rds_ring->skb_size);
-	if (!buffer->skb)
-		return 1;
-
-	skb = buffer->skb;
-
-	if (!adapter->ahw.cut_through)
-		skb_reserve(skb, 2);
-
-	dma = pci_map_single(pdev, skb->data,
-			rds_ring->dma_size, PCI_DMA_FROMDEVICE);
-
-	if (pci_dma_mapping_error(pdev, dma)) {
-		dev_kfree_skb_any(skb);
-		buffer->skb = NULL;
-		return 1;
-	}
-
-	buffer->skb = skb;
-	buffer->dma = dma;
-	buffer->state = NETXEN_BUFFER_BUSY;
-
-	return 0;
-}
-
-static struct sk_buff *netxen_process_rxbuf(struct netxen_adapter *adapter,
-		struct nx_host_rds_ring *rds_ring, u16 index, u16 cksum)
-{
-	struct netxen_rx_buffer *buffer;
-	struct sk_buff *skb;
-
-	buffer = &rds_ring->rx_buf_arr[index];
-
-	pci_unmap_single(adapter->pdev, buffer->dma, rds_ring->dma_size,
-			PCI_DMA_FROMDEVICE);
-
-	skb = buffer->skb;
-	if (!skb)
-		goto no_skb;
-
-	if (likely((adapter->netdev->features & NETIF_F_RXCSUM)
-	    && cksum == STATUS_CKSUM_OK)) {
-		adapter->stats.csummed++;
-		skb->ip_summed = CHECKSUM_UNNECESSARY;
-	} else
-		skb->ip_summed = CHECKSUM_NONE;
-
-	skb->dev = adapter->netdev;
-
-	buffer->skb = NULL;
-no_skb:
-	buffer->state = NETXEN_BUFFER_FREE;
-	return skb;
-}
-
-static struct netxen_rx_buffer *
-netxen_process_rcv(struct netxen_adapter *adapter,
-		struct nx_host_sds_ring *sds_ring,
-		int ring, u64 sts_data0)
-{
-	struct net_device *netdev = adapter->netdev;
-	struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
-	struct netxen_rx_buffer *buffer;
-	struct sk_buff *skb;
-	struct nx_host_rds_ring *rds_ring;
-	int index, length, cksum, pkt_offset;
-
-	if (unlikely(ring >= adapter->max_rds_rings))
-		return NULL;
-
-	rds_ring = &recv_ctx->rds_rings[ring];
-
-	index = netxen_get_sts_refhandle(sts_data0);
-	if (unlikely(index >= rds_ring->num_desc))
-		return NULL;
-
-	buffer = &rds_ring->rx_buf_arr[index];
-
-	length = netxen_get_sts_totallength(sts_data0);
-	cksum  = netxen_get_sts_status(sts_data0);
-	pkt_offset = netxen_get_sts_pkt_offset(sts_data0);
-
-	skb = netxen_process_rxbuf(adapter, rds_ring, index, cksum);
-	if (!skb)
-		return buffer;
-
-	if (length > rds_ring->skb_size)
-		skb_put(skb, rds_ring->skb_size);
-	else
-		skb_put(skb, length);
-
-
-	if (pkt_offset)
-		skb_pull(skb, pkt_offset);
-
-	skb->protocol = eth_type_trans(skb, netdev);
-
-	napi_gro_receive(&sds_ring->napi, skb);
-
-	adapter->stats.rx_pkts++;
-	adapter->stats.rxbytes += length;
-
-	return buffer;
-}
-
-#define TCP_HDR_SIZE            20
-#define TCP_TS_OPTION_SIZE      12
-#define TCP_TS_HDR_SIZE         (TCP_HDR_SIZE + TCP_TS_OPTION_SIZE)
-
-static struct netxen_rx_buffer *
-netxen_process_lro(struct netxen_adapter *adapter,
-		struct nx_host_sds_ring *sds_ring,
-		int ring, u64 sts_data0, u64 sts_data1)
-{
-	struct net_device *netdev = adapter->netdev;
-	struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
-	struct netxen_rx_buffer *buffer;
-	struct sk_buff *skb;
-	struct nx_host_rds_ring *rds_ring;
-	struct iphdr *iph;
-	struct tcphdr *th;
-	bool push, timestamp;
-	int l2_hdr_offset, l4_hdr_offset;
-	int index;
-	u16 lro_length, length, data_offset;
-	u32 seq_number;
-	u8 vhdr_len;
-
-	if (unlikely(ring > adapter->max_rds_rings))
-		return NULL;
-
-	rds_ring = &recv_ctx->rds_rings[ring];
-
-	index = netxen_get_lro_sts_refhandle(sts_data0);
-	if (unlikely(index > rds_ring->num_desc))
-		return NULL;
-
-	buffer = &rds_ring->rx_buf_arr[index];
-
-	timestamp = netxen_get_lro_sts_timestamp(sts_data0);
-	lro_length = netxen_get_lro_sts_length(sts_data0);
-	l2_hdr_offset = netxen_get_lro_sts_l2_hdr_offset(sts_data0);
-	l4_hdr_offset = netxen_get_lro_sts_l4_hdr_offset(sts_data0);
-	push = netxen_get_lro_sts_push_flag(sts_data0);
-	seq_number = netxen_get_lro_sts_seq_number(sts_data1);
-
-	skb = netxen_process_rxbuf(adapter, rds_ring, index, STATUS_CKSUM_OK);
-	if (!skb)
-		return buffer;
-
-	if (timestamp)
-		data_offset = l4_hdr_offset + TCP_TS_HDR_SIZE;
-	else
-		data_offset = l4_hdr_offset + TCP_HDR_SIZE;
-
-	skb_put(skb, lro_length + data_offset);
-
-	skb_pull(skb, l2_hdr_offset);
-	skb->protocol = eth_type_trans(skb, netdev);
-
-	if (skb->protocol == htons(ETH_P_8021Q))
-		vhdr_len = VLAN_HLEN;
-	iph = (struct iphdr *)(skb->data + vhdr_len);
-	th = (struct tcphdr *)((skb->data + vhdr_len) + (iph->ihl << 2));
-
-	length = (iph->ihl << 2) + (th->doff << 2) + lro_length;
-	iph->tot_len = htons(length);
-	iph->check = 0;
-	iph->check = ip_fast_csum((unsigned char *)iph, iph->ihl);
-	th->psh = push;
-	th->seq = htonl(seq_number);
-
-	length = skb->len;
-
-	netif_receive_skb(skb);
-
-	adapter->stats.lro_pkts++;
-	adapter->stats.rxbytes += length;
-
-	return buffer;
-}
-
-#define netxen_merge_rx_buffers(list, head) \
-	do { list_splice_tail_init(list, head); } while (0);
-
-int
-netxen_process_rcv_ring(struct nx_host_sds_ring *sds_ring, int max)
-{
-	struct netxen_adapter *adapter = sds_ring->adapter;
-
-	struct list_head *cur;
-
-	struct status_desc *desc;
-	struct netxen_rx_buffer *rxbuf;
-
-	u32 consumer = sds_ring->consumer;
-
-	int count = 0;
-	u64 sts_data0, sts_data1;
-	int opcode, ring = 0, desc_cnt;
-
-	while (count < max) {
-		desc = &sds_ring->desc_head[consumer];
-		sts_data0 = le64_to_cpu(desc->status_desc_data[0]);
-
-		if (!(sts_data0 & STATUS_OWNER_HOST))
-			break;
-
-		desc_cnt = netxen_get_sts_desc_cnt(sts_data0);
-
-		opcode = netxen_get_sts_opcode(sts_data0);
-
-		switch (opcode) {
-		case NETXEN_NIC_RXPKT_DESC:
-		case NETXEN_OLD_RXPKT_DESC:
-		case NETXEN_NIC_SYN_OFFLOAD:
-			ring = netxen_get_sts_type(sts_data0);
-			rxbuf = netxen_process_rcv(adapter, sds_ring,
-					ring, sts_data0);
-			break;
-		case NETXEN_NIC_LRO_DESC:
-			ring = netxen_get_lro_sts_type(sts_data0);
-			sts_data1 = le64_to_cpu(desc->status_desc_data[1]);
-			rxbuf = netxen_process_lro(adapter, sds_ring,
-					ring, sts_data0, sts_data1);
-			break;
-		case NETXEN_NIC_RESPONSE_DESC:
-			netxen_handle_fw_message(desc_cnt, consumer, sds_ring);
-		default:
-			goto skip;
-		}
-
-		WARN_ON(desc_cnt > 1);
-
-		if (rxbuf)
-			list_add_tail(&rxbuf->list, &sds_ring->free_list[ring]);
-
-skip:
-		for (; desc_cnt > 0; desc_cnt--) {
-			desc = &sds_ring->desc_head[consumer];
-			desc->status_desc_data[0] =
-				cpu_to_le64(STATUS_OWNER_PHANTOM);
-			consumer = get_next_index(consumer, sds_ring->num_desc);
-		}
-		count++;
-	}
-
-	for (ring = 0; ring < adapter->max_rds_rings; ring++) {
-		struct nx_host_rds_ring *rds_ring =
-			&adapter->recv_ctx.rds_rings[ring];
-
-		if (!list_empty(&sds_ring->free_list[ring])) {
-			list_for_each(cur, &sds_ring->free_list[ring]) {
-				rxbuf = list_entry(cur,
-						struct netxen_rx_buffer, list);
-				netxen_alloc_rx_skb(adapter, rds_ring, rxbuf);
-			}
-			spin_lock(&rds_ring->lock);
-			netxen_merge_rx_buffers(&sds_ring->free_list[ring],
-						&rds_ring->free_list);
-			spin_unlock(&rds_ring->lock);
-		}
-
-		netxen_post_rx_buffers_nodb(adapter, rds_ring);
-	}
-
-	if (count) {
-		sds_ring->consumer = consumer;
-		NXWRIO(adapter, sds_ring->crb_sts_consumer, consumer);
-	}
-
-	return count;
-}
-
-/* Process Command status ring */
-int netxen_process_cmd_ring(struct netxen_adapter *adapter)
-{
-	u32 sw_consumer, hw_consumer;
-	int count = 0, i;
-	struct netxen_cmd_buffer *buffer;
-	struct pci_dev *pdev = adapter->pdev;
-	struct net_device *netdev = adapter->netdev;
-	struct netxen_skb_frag *frag;
-	int done = 0;
-	struct nx_host_tx_ring *tx_ring = adapter->tx_ring;
-
-	if (!spin_trylock(&adapter->tx_clean_lock))
-		return 1;
-
-	sw_consumer = tx_ring->sw_consumer;
-	hw_consumer = le32_to_cpu(*(tx_ring->hw_consumer));
-
-	while (sw_consumer != hw_consumer) {
-		buffer = &tx_ring->cmd_buf_arr[sw_consumer];
-		if (buffer->skb) {
-			frag = &buffer->frag_array[0];
-			pci_unmap_single(pdev, frag->dma, frag->length,
-					 PCI_DMA_TODEVICE);
-			frag->dma = 0ULL;
-			for (i = 1; i < buffer->frag_count; i++) {
-				frag++;	/* Get the next frag */
-				pci_unmap_page(pdev, frag->dma, frag->length,
-					       PCI_DMA_TODEVICE);
-				frag->dma = 0ULL;
-			}
-
-			adapter->stats.xmitfinished++;
-			dev_kfree_skb_any(buffer->skb);
-			buffer->skb = NULL;
-		}
-
-		sw_consumer = get_next_index(sw_consumer, tx_ring->num_desc);
-		if (++count >= MAX_STATUS_HANDLE)
-			break;
-	}
-
-	if (count && netif_running(netdev)) {
-		tx_ring->sw_consumer = sw_consumer;
-
-		smp_mb();
-
-		if (netif_queue_stopped(netdev) && netif_carrier_ok(netdev))
-			if (netxen_tx_avail(tx_ring) > TX_STOP_THRESH)
-				netif_wake_queue(netdev);
-		adapter->tx_timeo_cnt = 0;
-	}
-	/*
-	 * If everything is freed up to consumer then check if the ring is full
-	 * If the ring is full then check if more needs to be freed and
-	 * schedule the call back again.
-	 *
-	 * This happens when there are 2 CPUs. One could be freeing and the
-	 * other filling it. If the ring is full when we get out of here and
-	 * the card has already interrupted the host then the host can miss the
-	 * interrupt.
-	 *
-	 * There is still a possible race condition and the host could miss an
-	 * interrupt. The card has to take care of this.
-	 */
-	hw_consumer = le32_to_cpu(*(tx_ring->hw_consumer));
-	done = (sw_consumer == hw_consumer);
-	spin_unlock(&adapter->tx_clean_lock);
-
-	return done;
-}
-
-void
-netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ringid,
-	struct nx_host_rds_ring *rds_ring)
-{
-	struct rcv_desc *pdesc;
-	struct netxen_rx_buffer *buffer;
-	int producer, count = 0;
-	netxen_ctx_msg msg = 0;
-	struct list_head *head;
-
-	producer = rds_ring->producer;
-
-	head = &rds_ring->free_list;
-	while (!list_empty(head)) {
-
-		buffer = list_entry(head->next, struct netxen_rx_buffer, list);
-
-		if (!buffer->skb) {
-			if (netxen_alloc_rx_skb(adapter, rds_ring, buffer))
-				break;
-		}
-
-		count++;
-		list_del(&buffer->list);
-
-		/* make a rcv descriptor  */
-		pdesc = &rds_ring->desc_head[producer];
-		pdesc->addr_buffer = cpu_to_le64(buffer->dma);
-		pdesc->reference_handle = cpu_to_le16(buffer->ref_handle);
-		pdesc->buffer_length = cpu_to_le32(rds_ring->dma_size);
-
-		producer = get_next_index(producer, rds_ring->num_desc);
-	}
-
-	if (count) {
-		rds_ring->producer = producer;
-		NXWRIO(adapter, rds_ring->crb_rcv_producer,
-				(producer-1) & (rds_ring->num_desc-1));
-
-		if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
-			/*
-			 * Write a doorbell msg to tell phanmon of change in
-			 * receive ring producer
-			 * Only for firmware version < 4.0.0
-			 */
-			netxen_set_msg_peg_id(msg, NETXEN_RCV_PEG_DB_ID);
-			netxen_set_msg_privid(msg);
-			netxen_set_msg_count(msg,
-					     ((producer - 1) &
-					      (rds_ring->num_desc - 1)));
-			netxen_set_msg_ctxid(msg, adapter->portnum);
-			netxen_set_msg_opcode(msg, NETXEN_RCV_PRODUCER(ringid));
-			NXWRIO(adapter, DB_NORMALIZE(adapter,
-					NETXEN_RCV_PRODUCER_OFFSET), msg);
-		}
-	}
-}
-
-static void
-netxen_post_rx_buffers_nodb(struct netxen_adapter *adapter,
-		struct nx_host_rds_ring *rds_ring)
-{
-	struct rcv_desc *pdesc;
-	struct netxen_rx_buffer *buffer;
-	int producer, count = 0;
-	struct list_head *head;
-
-	if (!spin_trylock(&rds_ring->lock))
-		return;
-
-	producer = rds_ring->producer;
-
-	head = &rds_ring->free_list;
-	while (!list_empty(head)) {
-
-		buffer = list_entry(head->next, struct netxen_rx_buffer, list);
-
-		if (!buffer->skb) {
-			if (netxen_alloc_rx_skb(adapter, rds_ring, buffer))
-				break;
-		}
-
-		count++;
-		list_del(&buffer->list);
-
-		/* make a rcv descriptor  */
-		pdesc = &rds_ring->desc_head[producer];
-		pdesc->reference_handle = cpu_to_le16(buffer->ref_handle);
-		pdesc->buffer_length = cpu_to_le32(rds_ring->dma_size);
-		pdesc->addr_buffer = cpu_to_le64(buffer->dma);
-
-		producer = get_next_index(producer, rds_ring->num_desc);
-	}
-
-	if (count) {
-		rds_ring->producer = producer;
-		NXWRIO(adapter, rds_ring->crb_rcv_producer,
-				(producer - 1) & (rds_ring->num_desc - 1));
-	}
-	spin_unlock(&rds_ring->lock);
-}
-
-void netxen_nic_clear_stats(struct netxen_adapter *adapter)
-{
-	memset(&adapter->stats, 0, sizeof(adapter->stats));
-}
-