Add NetXen 1G/10G ethernet driver.

Signed-off-by: Amit S. Kale <amitkale@netxen.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

MAINTAINERS

@@ -2132,6 +2132,13 @@ L:	netdev@vger.kernel.org
 T:	git kernel.org:/pub/scm/linux/kernel/git/linville/wireless-2.6.git
 S:	Maintained
 
+NETXEN (1/10) GbE SUPPORT
+P:	Amit S. Kale
+M:	amitkale@netxen.com
+L:	netdev@vger.kernel.org
+W:	http://www.netxen.com
+S:	Supported
+
 IPVS
 P:	Wensong Zhang
 M:	wensong@linux-vs.org

drivers/net/Kconfig

@@ -2447,6 +2447,11 @@ config MYRI10GE
 	  <file:Documentation/networking/net-modules.txt>.  The module
 	  will be called myri10ge.
 
+config NETXEN_NIC
+	tristate "NetXen Multi port (1/10) Gigabit Ethernet NIC"
+	help
+	  This enables the support for NetXen's Gigabit Ethernet card.
+
 endmenu
 
 source "drivers/net/tokenring/Kconfig"

drivers/net/Makefile

@@ -213,3 +213,4 @@ obj-$(CONFIG_NETCONSOLE) += netconsole.o
 
 obj-$(CONFIG_FS_ENET) += fs_enet/
 
+obj-$(CONFIG_NETXEN_NIC) += netxen/

drivers/net/netxen/Makefile

+# Copyright (C) 2003 - 2006 NetXen, Inc.
+# 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 LICENSE.
+# 
+# Contact Information:
+#    info@netxen.com
+# NetXen,
+# 3965 Freedom Circle, Fourth floor,
+# Santa Clara, CA 95054
+#
+# Makefile for the NetXen NIC Driver
+#
+
+
+obj-$(CONFIG_NETXEN_NIC) := netxen_nic.o
+
+netxen_nic-y := netxen_nic_hw.o netxen_nic_main.o netxen_nic_init.o \
+	netxen_nic_isr.o netxen_nic_ethtool.o netxen_nic_niu.o

drivers/net/netxen/netxen_nic.h

+/*
+ * Copyright (C) 2003 - 2006 NetXen, Inc.
+ * 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 LICENSE.
+ * 
+ * Contact Information:
+ *    info@netxen.com
+ * NetXen,
+ * 3965 Freedom Circle, Fourth floor,
+ * Santa Clara, CA 95054
+ */
+
+#ifndef _NETXEN_NIC_H_
+#define _NETXEN_NIC_H_
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/compiler.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/init.h>
+#include <linux/ioport.h>
+#include <linux/pci.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/ip.h>
+#include <linux/in.h>
+#include <linux/tcp.h>
+#include <linux/skbuff.h>
+#include <linux/version.h>
+
+#include <linux/ethtool.h>
+#include <linux/mii.h>
+#include <linux/interrupt.h>
+#include <linux/timer.h>
+
+#include <linux/mm.h>
+#include <linux/mman.h>
+
+#include <asm/system.h>
+#include <asm/io.h>
+#include <asm/byteorder.h>
+#include <asm/uaccess.h>
+#include <asm/pgtable.h>
+
+#include "netxen_nic_hw.h"
+
+#define NETXEN_NIC_BUILD_NO     "232"
+#define _NETXEN_NIC_LINUX_MAJOR 2
+#define _NETXEN_NIC_LINUX_MINOR 3
+#define _NETXEN_NIC_LINUX_SUBVERSION 57
+#define NETXEN_NIC_LINUX_VERSIONID  "2.3.57"
+#define NETXEN_NIC_FW_VERSIONID "2.3.57"
+
+#define RCV_DESC_RINGSIZE	\
+	(sizeof(struct rcv_desc) * adapter->max_rx_desc_count)
+#define STATUS_DESC_RINGSIZE	\
+	(sizeof(struct status_desc)* adapter->max_rx_desc_count)
+#define TX_RINGSIZE	\
+	(sizeof(struct netxen_cmd_buffer) * adapter->max_tx_desc_count)
+#define RCV_BUFFSIZE	\
+	(sizeof(struct netxen_rx_buffer) * rcv_desc->max_rx_desc_count)
+#define find_diff_among(a,b,range) ((a)<(b)?((b)-(a)):((b)+(range)-(a)))
+
+#define NETXEN_NETDEV_STATUS 0x1
+
+#define ADDR_IN_WINDOW1(off)	\
+	((off > NETXEN_CRB_PCIX_HOST2) && (off < NETXEN_CRB_MAX)) ? 1 : 0
+
+/* 
+ * normalize a 64MB crb address to 32MB PCI window 
+ * To use NETXEN_CRB_NORMALIZE, window _must_ be set to 1
+ */
+#define NETXEN_CRB_NORMALIZE(adapter, reg) \
+	((adapter)->ahw.pci_base + (reg)	\
+	- NETXEN_CRB_PCIX_HOST2 + NETXEN_CRB_PCIX_HOST)
+
+#define MAX_RX_BUFFER_LENGTH		2000
+#define MAX_RX_JUMBO_BUFFER_LENGTH 	9046
+#define RX_DMA_MAP_LEN			(MAX_RX_BUFFER_LENGTH - NET_IP_ALIGN)
+#define RX_JUMBO_DMA_MAP_LEN	\
+	(MAX_RX_JUMBO_BUFFER_LENGTH - NET_IP_ALIGN)
+#define NETXEN_ROM_ROUNDUP		0x80000000ULL
+
+/*
+ * Maximum number of ring contexts
+ */
+#define MAX_RING_CTX 1
+
+/* Opcodes to be used with the commands */
+enum {
+	TX_ETHER_PKT = 0x01,
+/* The following opcodes are for IP checksum	*/
+	TX_TCP_PKT,
+	TX_UDP_PKT,
+	TX_IP_PKT,
+	TX_TCP_LSO,
+	TX_IPSEC,
+	TX_IPSEC_CMD
+};
+
+/* The following opcodes are for internal consumption. */
+#define NETXEN_CONTROL_OP	0x10
+#define PEGNET_REQUEST		0x11
+
+#define	MAX_NUM_CARDS		4
+
+#define MAX_BUFFERS_PER_CMD	32
+
+/*
+ * Following are the states of the Phantom. Phantom will set them and
+ * Host will read to check if the fields are correct.
+ */
+#define PHAN_INITIALIZE_START		0xff00
+#define PHAN_INITIALIZE_FAILED		0xffff
+#define PHAN_INITIALIZE_COMPLETE	0xff01
+
+/* Host writes the following to notify that it has done the init-handshake */
+#define PHAN_INITIALIZE_ACK	0xf00f
+
+#define NUM_RCV_DESC_RINGS	2	/* No of Rcv Descriptor contexts */
+
+/* descriptor types */
+#define RCV_DESC_NORMAL		0x01
+#define RCV_DESC_JUMBO		0x02
+#define RCV_DESC_NORMAL_CTXID	0
+#define RCV_DESC_JUMBO_CTXID	1
+
+#define RCV_DESC_TYPE(ID) \
+	((ID == RCV_DESC_JUMBO_CTXID) ? RCV_DESC_JUMBO : RCV_DESC_NORMAL)
+
+#define MAX_CMD_DESCRIPTORS		1024
+#define MAX_RCV_DESCRIPTORS		32768
+#define MAX_JUMBO_RCV_DESCRIPTORS	1024
+#define MAX_RCVSTATUS_DESCRIPTORS	MAX_RCV_DESCRIPTORS
+#define MAX_JUMBO_RCV_DESC	MAX_JUMBO_RCV_DESCRIPTORS
+#define MAX_RCV_DESC		MAX_RCV_DESCRIPTORS
+#define MAX_RCVSTATUS_DESC	MAX_RCV_DESCRIPTORS
+#define NUM_RCV_DESC		(MAX_RCV_DESC + MAX_JUMBO_RCV_DESCRIPTORS)
+#define MAX_EPG_DESCRIPTORS	(MAX_CMD_DESCRIPTORS * 8)
+
+#define MIN_TX_COUNT	4096
+#define MIN_RX_COUNT	4096
+
+#define MAX_FRAME_SIZE	0x10000	/* 64K MAX size for LSO */
+
+#define PHAN_PEG_RCV_INITIALIZED	0xff01
+#define PHAN_PEG_RCV_START_INITIALIZE	0xff00
+
+#define get_next_index(index, length)	\
+	(((index) + 1) & ((length) - 1))
+
+#define get_index_range(index,length,count)	\
+	(((index) + (count)) & ((length) - 1))
+
+/*
+ * Following data structures describe the descriptors that will be used.
+ * Added fileds of tcpHdrSize and ipHdrSize, The driver needs to do it only when
+ * we are doing LSO (above the 1500 size packet) only.
+ */
+
+/*
+ * The size of reference handle been changed to 16 bits to pass the MSS fields
+ * for the LSO packet
+ */
+
+#define FLAGS_CHECKSUM_ENABLED	0x01
+#define FLAGS_LSO_ENABLED	0x02
+#define FLAGS_IPSEC_SA_ADD	0x04
+#define FLAGS_IPSEC_SA_DELETE	0x08
+#define FLAGS_VLAN_TAGGED	0x10
+
+#define CMD_DESC_TOTAL_LENGTH(cmd_desc)	\
+		((cmd_desc)->length_tcp_hdr & 0x00FFFFFF)
+#define CMD_DESC_TCP_HDR_OFFSET(cmd_desc)	\
+		(((cmd_desc)->length_tcp_hdr >> 24) & 0x0FF)
+#define CMD_DESC_PORT(cmd_desc)		((cmd_desc)->port_ctxid & 0x0F)
+#define CMD_DESC_CTX_ID(cmd_desc)	(((cmd_desc)->port_ctxid >> 4) & 0x0F)
+
+#define CMD_DESC_TOTAL_LENGTH_WRT(cmd_desc, var)	\
+		((cmd_desc)->length_tcp_hdr |= ((var) & 0x00FFFFFF))
+#define CMD_DESC_TCP_HDR_OFFSET_WRT(cmd_desc, var)	\
+		((cmd_desc)->length_tcp_hdr |= (((var) << 24) & 0xFF000000))
+#define CMD_DESC_PORT_WRT(cmd_desc, var)	\
+		((cmd_desc)->port_ctxid |= ((var) & 0x0F))
+
+struct cmd_desc_type0 {
+	u64 netxen_next;	/* for fragments handled by Phantom */
+	union {
+		struct {
+			u32 addr_low_part2;
+			u32 addr_high_part2;
+		};
+		u64 addr_buffer2;
+	};
+
+	/* Bit pattern: 0-23 total length, 24-32 tcp header offset */
+	u32 length_tcp_hdr;
+	u8 ip_hdr_offset;	/* For LSO only */
+	u8 num_of_buffers;	/* total number of segments */
+	u8 flags;		/* as defined above */
+	u8 opcode;
+
+	u16 reference_handle;	/* changed to u16 to add mss */
+	u16 mss;		/* passed by NDIS_PACKET for LSO */
+	/* Bit pattern 0-3 port, 0-3 ctx id */
+	u8 port_ctxid;
+	u8 total_hdr_length;	/* LSO only : MAC+IP+TCP Hdr size */
+	u16 conn_id;		/* IPSec offoad only */
+
+	union {
+		struct {
+			u32 addr_low_part3;
+			u32 addr_high_part3;
+		};
+		u64 addr_buffer3;
+	};
+
+	union {
+		struct {
+			u32 addr_low_part1;
+			u32 addr_high_part1;
+		};
+		u64 addr_buffer1;
+	};
+
+	u16 buffer1_length;
+	u16 buffer2_length;
+	u16 buffer3_length;
+	u16 buffer4_length;
+
+	union {
+		struct {
+			u32 addr_low_part4;
+			u32 addr_high_part4;
+		};
+		u64 addr_buffer4;
+	};
+
+} __attribute__ ((aligned(64)));
+
+/* Note: sizeof(rcv_desc) should always be a mutliple of 2 */
+struct rcv_desc {
+	u16 reference_handle;
+	u16 reserved;
+	u32 buffer_length;	/* allocated buffer length (usually 2K) */
+	u64 addr_buffer;
+};
+
+/* opcode field in status_desc */
+#define RCV_NIC_PKT	(0xA)
+#define STATUS_NIC_PKT	((RCV_NIC_PKT) << 12)
+
+/* for status field in status_desc */
+#define STATUS_NEED_CKSUM	(1)
+#define STATUS_CKSUM_OK		(2)
+
+/* owner bits of status_desc */
+#define STATUS_OWNER_HOST	(0x1)
+#define STATUS_OWNER_PHANTOM	(0x2)
+
+#define NETXEN_PROT_IP		(1)
+#define NETXEN_PROT_UNKNOWN	(0)
+
+/* Note: sizeof(status_desc) should always be a mutliple of 2 */
+#define STATUS_DESC_PORT(status_desc)	\
+		((status_desc)->port_status_type_op & 0x0F)
+#define STATUS_DESC_STATUS(status_desc)	\
+		(((status_desc)->port_status_type_op >> 4) & 0x0F)
+#define STATUS_DESC_TYPE(status_desc)	\
+		(((status_desc)->port_status_type_op >> 8) & 0x0F)
+#define STATUS_DESC_OPCODE(status_desc)	\
+		(((status_desc)->port_status_type_op >> 12) & 0x0F)
+
+struct status_desc {
+	/* Bit pattern: 0-3 port, 4-7 status, 8-11 type, 12-15 opcode */
+	u16 port_status_type_op;
+	u16 total_length;	/* NIC mode */
+	u16 reference_handle;	/* handle for the associated packet */
+	/* Bit pattern: 0-1 owner, 2-5 protocol */
+	u16 owner;		/* Owner of the descriptor */
+} __attribute__ ((aligned(8)));
+
+enum {
+	NETXEN_RCV_PEG_0 = 0,
+	NETXEN_RCV_PEG_1
+};
+/* The version of the main data structure */
+#define	NETXEN_BDINFO_VERSION 1
+
+/* Magic number to let user know flash is programmed */
+#define	NETXEN_BDINFO_MAGIC 0x12345678
+
+/* Max number of Gig ports on a Phantom board */
+#define NETXEN_MAX_PORTS 4
+
+typedef enum {
+	NETXEN_BRDTYPE_P1_BD = 0x0000,
+	NETXEN_BRDTYPE_P1_SB = 0x0001,
+	NETXEN_BRDTYPE_P1_SMAX = 0x0002,
+	NETXEN_BRDTYPE_P1_SOCK = 0x0003,
+
+	NETXEN_BRDTYPE_P2_SOCK_31 = 0x0008,
+	NETXEN_BRDTYPE_P2_SOCK_35 = 0x0009,
+	NETXEN_BRDTYPE_P2_SB35_4G = 0x000a,
+	NETXEN_BRDTYPE_P2_SB31_10G = 0x000b,
+	NETXEN_BRDTYPE_P2_SB31_2G = 0x000c,
+
+	NETXEN_BRDTYPE_P2_SB31_10G_IMEZ = 0x000d,
+	NETXEN_BRDTYPE_P2_SB31_10G_HMEZ = 0x000e,
+	NETXEN_BRDTYPE_P2_SB31_10G_CX4 = 0x000f
+} netxen_brdtype_t;
+
+typedef enum {
+	NETXEN_BRDMFG_INVENTEC = 1
+} netxen_brdmfg;
+
+typedef enum {
+	MEM_ORG_128Mbx4 = 0x0,	/* DDR1 only */
+	MEM_ORG_128Mbx8 = 0x1,	/* DDR1 only */
+	MEM_ORG_128Mbx16 = 0x2,	/* DDR1 only */
+	MEM_ORG_256Mbx4 = 0x3,
+	MEM_ORG_256Mbx8 = 0x4,
+	MEM_ORG_256Mbx16 = 0x5,
+	MEM_ORG_512Mbx4 = 0x6,
+	MEM_ORG_512Mbx8 = 0x7,
+	MEM_ORG_512Mbx16 = 0x8,
+	MEM_ORG_1Gbx4 = 0x9,
+	MEM_ORG_1Gbx8 = 0xa,
+	MEM_ORG_1Gbx16 = 0xb,
+	MEM_ORG_2Gbx4 = 0xc,
+	MEM_ORG_2Gbx8 = 0xd,
+	MEM_ORG_2Gbx16 = 0xe,
+	MEM_ORG_128Mbx32 = 0x10002,	/* GDDR only */
+	MEM_ORG_256Mbx32 = 0x10005	/* GDDR only */
+} netxen_mn_mem_org_t;
+
+typedef enum {
+	MEM_ORG_512Kx36 = 0x0,
+	MEM_ORG_1Mx36 = 0x1,
+	MEM_ORG_2Mx36 = 0x2
+} netxen_sn_mem_org_t;
+
+typedef enum {
+	MEM_DEPTH_4MB = 0x1,
+	MEM_DEPTH_8MB = 0x2,
+	MEM_DEPTH_16MB = 0x3,
+	MEM_DEPTH_32MB = 0x4,
+	MEM_DEPTH_64MB = 0x5,
+	MEM_DEPTH_128MB = 0x6,
+	MEM_DEPTH_256MB = 0x7,
+	MEM_DEPTH_512MB = 0x8,
+	MEM_DEPTH_1GB = 0x9,
+	MEM_DEPTH_2GB = 0xa,
+	MEM_DEPTH_4GB = 0xb,
+	MEM_DEPTH_8GB = 0xc,
+	MEM_DEPTH_16GB = 0xd,
+	MEM_DEPTH_32GB = 0xe
+} netxen_mem_depth_t;
+
+struct netxen_board_info {
+	u32 header_version;
+
+	u32 board_mfg;
+	u32 board_type;
+	u32 board_num;
+	u32 chip_id;
+	u32 chip_minor;
+	u32 chip_major;
+	u32 chip_pkg;
+	u32 chip_lot;
+
+	u32 port_mask;		/* available niu ports */
+	u32 peg_mask;		/* available pegs */
+	u32 icache_ok;		/* can we run with icache? */
+	u32 dcache_ok;		/* can we run with dcache? */
+	u32 casper_ok;
+
+	u32 mac_addr_lo_0;
+	u32 mac_addr_lo_1;
+	u32 mac_addr_lo_2;
+	u32 mac_addr_lo_3;
+
+	/* MN-related config */
+	u32 mn_sync_mode;	/* enable/ sync shift cclk/ sync shift mclk */
+	u32 mn_sync_shift_cclk;
+	u32 mn_sync_shift_mclk;
+	u32 mn_wb_en;
+	u32 mn_crystal_freq;	/* in MHz */
+	u32 mn_speed;		/* in MHz */
+	u32 mn_org;
+	u32 mn_depth;
+	u32 mn_ranks_0;		/* ranks per slot */
+	u32 mn_ranks_1;		/* ranks per slot */
+	u32 mn_rd_latency_0;
+	u32 mn_rd_latency_1;
+	u32 mn_rd_latency_2;
+	u32 mn_rd_latency_3;
+	u32 mn_rd_latency_4;
+	u32 mn_rd_latency_5;
+	u32 mn_rd_latency_6;
+	u32 mn_rd_latency_7;
+	u32 mn_rd_latency_8;
+	u32 mn_dll_val[18];
+	u32 mn_mode_reg;	/* MIU DDR Mode Register */
+	u32 mn_ext_mode_reg;	/* MIU DDR Extended Mode Register */
+	u32 mn_timing_0;	/* MIU Memory Control Timing Rgister */
+	u32 mn_timing_1;	/* MIU Extended Memory Ctrl Timing Register */
+	u32 mn_timing_2;	/* MIU Extended Memory Ctrl Timing2 Register */
+
+	/* SN-related config */
+	u32 sn_sync_mode;	/* enable/ sync shift cclk / sync shift mclk */
+	u32 sn_pt_mode;		/* pass through mode */
+	u32 sn_ecc_en;
+	u32 sn_wb_en;
+	u32 sn_crystal_freq;
+	u32 sn_speed;
+	u32 sn_org;
+	u32 sn_depth;
+	u32 sn_dll_tap;
+	u32 sn_rd_latency;
+
+	u32 mac_addr_hi_0;
+	u32 mac_addr_hi_1;
+	u32 mac_addr_hi_2;
+	u32 mac_addr_hi_3;
+
+	u32 magic;		/* indicates flash has been initialized */
+
+	u32 mn_rdimm;
+	u32 mn_dll_override;
+
+};
+
+#define FLASH_NUM_PORTS		(4)
+
+struct netxen_flash_mac_addr {
+	u32 flash_addr[32];
+};
+
+struct netxen_user_old_info {
+	u8 flash_md5[16];
+	u8 crbinit_md5[16];
+	u8 brdcfg_md5[16];
+	/* bootloader */
+	u32 bootld_version;
+	u32 bootld_size;
+	u8 bootld_md5[16];
+	/* image */
+	u32 image_version;
+	u32 image_size;
+	u8 image_md5[16];
+	/* primary image status */
+	u32 primary_status;
+	u32 secondary_present;
+
+	/* MAC address , 4 ports */
+	struct netxen_flash_mac_addr mac_addr[FLASH_NUM_PORTS];
+};
+#define FLASH_NUM_MAC_PER_PORT	32
+struct netxen_user_info {
+	u8 flash_md5[16 * 64];
+	/* bootloader */
+	u32 bootld_version;
+	u32 bootld_size;
+	/* image */
+	u32 image_version;
+	u32 image_size;
+	/* primary image status */
+	u32 primary_status;
+	u32 secondary_present;
+
+	/* MAC address , 4 ports, 32 address per port */
+	u64 mac_addr[FLASH_NUM_PORTS * FLASH_NUM_MAC_PER_PORT];
+	u32 sub_sys_id;
+	u8 serial_num[32];
+
+	/* Any user defined data */
+};
+
+/*
+ * Flash Layout - new format.
+ */
+struct netxen_new_user_info {
+	u8 flash_md5[16 * 64];
+	/* bootloader */
+	u32 bootld_version;
+	u32 bootld_size;
+	/* image */
+	u32 image_version;
+	u32 image_size;
+	/* primary image status */
+	u32 primary_status;
+	u32 secondary_present;
+
+	/* MAC address , 4 ports, 32 address per port */
+	u64 mac_addr[FLASH_NUM_PORTS * FLASH_NUM_MAC_PER_PORT];
+	u32 sub_sys_id;
+	u8 serial_num[32];
+
+	/* Any user defined data */
+};
+
+#define SECONDARY_IMAGE_PRESENT 0xb3b4b5b6
+#define SECONDARY_IMAGE_ABSENT	0xffffffff
+#define PRIMARY_IMAGE_GOOD	0x5a5a5a5a
+#define PRIMARY_IMAGE_BAD	0xffffffff
+
+/* Flash memory map */
+typedef enum {
+	CRBINIT_START = 0,	/* Crbinit section */
+	BRDCFG_START = 0x4000,	/* board config */
+	INITCODE_START = 0x6000,	/* pegtune code */
+	BOOTLD_START = 0x10000,	/* bootld */
+	IMAGE_START = 0x43000,	/* compressed image */
+	SECONDARY_START = 0x200000,	/* backup images */
+	PXE_START = 0x3E0000,	/* user defined region */
+	USER_START = 0x3E8000,	/* User defined region for new boards */
+	FIXED_START = 0x3F0000	/* backup of crbinit */
+} netxen_flash_map_t;
+
+#define USER_START_OLD PXE_START	/* for backward compatibility */
+
+#define FLASH_START		(CRBINIT_START)
+#define INIT_SECTOR		(0)
+#define PRIMARY_START 		(BOOTLD_START)
+#define FLASH_CRBINIT_SIZE 	(0x4000)
+#define FLASH_BRDCFG_SIZE 	(sizeof(struct netxen_board_info))
+#define FLASH_USER_SIZE		(sizeof(netxen_user_info)/sizeof(u32))
+#define FLASH_SECONDARY_SIZE 	(USER_START-SECONDARY_START)
+#define NUM_PRIMARY_SECTORS	(0x20)
+#define NUM_CONFIG_SECTORS 	(1)
+#define PFX "netxen: "
+
+/* Note: Make sure to not call this before adapter->port is valid */
+#if !defined(NETXEN_DEBUG)
+#define DPRINTK(klevel, fmt, args...)	do { \
+	} while (0)
+#else
+#define DPRINTK(klevel, fmt, args...)	do { \
+	printk(KERN_##klevel PFX "%s: %s: " fmt, __FUNCTION__,\
+		(adapter != NULL && adapter->port != NULL && \
+		adapter->port[0] != NULL && \
+		adapter->port[0]->netdev != NULL) ? \
+		adapter->port[0]->netdev->name : NULL, \
+		## args); } while(0)
+#endif
+
+/* Number of status descriptors to handle per interrupt */
+#define MAX_STATUS_HANDLE	(128)
+
+/*
+ * netxen_skb_frag{} is to contain mapping info for each SG list. This
+ * has to be freed when DMA is complete. This is part of netxen_tx_buffer{}.
+ */
+struct netxen_skb_frag {
+	u64 dma;
+	u32 length;
+};
+
+/*    Following defines are for the state of the buffers    */
+#define	NETXEN_BUFFER_FREE	0
+#define	NETXEN_BUFFER_BUSY	1
+
+/*
+ * There will be one netxen_buffer per skb packet.    These will be
+ * used to save the dma info for pci_unmap_page()
+ */
+struct netxen_cmd_buffer {
+	struct sk_buff *skb;
+	struct netxen_skb_frag frag_array[MAX_BUFFERS_PER_CMD + 1];
+	u32 total_length;
+	u32 mss;
+	u16 port;
+	u8 cmd;
+	u8 frag_count;
+	unsigned long time_stamp;
+	u32 state;
+	u32 no_of_descriptors;
+};
+
+/* In rx_buffer, we do not need multiple fragments as is a single buffer */
+struct netxen_rx_buffer {
+	struct sk_buff *skb;
+	u64 dma;
+	u16 ref_handle;
+	u16 state;
+};
+
+/* Board types */
+#define	NETXEN_NIC_GBE	0x01
+#define	NETXEN_NIC_XGBE	0x02
+
+/*
+ * One hardware_context{} per adapter
+ * contains interrupt info as well shared hardware info.
+ */
+struct netxen_hardware_context {
+	struct pci_dev *pdev;
+	void __iomem *pci_base;	/* base of mapped phantom memory */
+	u8 revision_id;
+	u16 board_type;
+	u16 max_ports;
+	struct netxen_board_info boardcfg;
+	u32 xg_linkup;
+	/* Address of cmd ring in Phantom */
+	struct cmd_desc_type0 *cmd_desc_head;
+	dma_addr_t cmd_desc_phys_addr;
+	struct netxen_adapter *adapter;
+};
+
+#define MINIMUM_ETHERNET_FRAME_SIZE	64	/* With FCS */
+#define ETHERNET_FCS_SIZE		4
+
+struct netxen_adapter_stats {
+	u64 ints;
+	u64 hostints;
+	u64 otherints;
+	u64 process_rcv;
+	u64 process_xmit;
+	u64 noxmitdone;
+	u64 xmitcsummed;
+	u64 post_called;
+	u64 posted;
+	u64 lastposted;
+	u64 goodskbposts;
+};
+
+/*
+ * Rcv Descriptor Context. One such per Rcv Descriptor. There may
+ * be one Rcv Descriptor for normal packets, one for jumbo and may be others.
+ */
+struct netxen_rcv_desc_ctx {
+	u32 flags;
+	u32 producer;
+	u32 rcv_pending;	/* Num of bufs posted in phantom */
+	u32 rcv_free;		/* Num of bufs in free list */
+	dma_addr_t phys_addr;
+	struct rcv_desc *desc_head;	/* address of rx ring in Phantom */
+	u32 max_rx_desc_count;
+	u32 dma_size;
+	u32 skb_size;
+	struct netxen_rx_buffer *rx_buf_arr;	/* rx buffers for receive   */
+	int begin_alloc;
+};
+
+/*
+ * Receive context. There is one such structure per instance of the
+ * receive processing. Any state information that is relevant to
+ * the receive, and is must be in this structure. The global data may be
+ * present elsewhere.
+ */
+struct netxen_recv_context {
+	struct netxen_rcv_desc_ctx rcv_desc[NUM_RCV_DESC_RINGS];
+	u32 status_rx_producer;
+	u32 status_rx_consumer;
+	dma_addr_t rcv_status_desc_phys_addr;
+	struct status_desc *rcv_status_desc_head;
+};
+
+#define NETXEN_NIC_MSI_ENABLED 0x02
+
+struct netxen_drvops;
+
+struct netxen_adapter {
+	struct netxen_hardware_context ahw;
+	int port_count;		/* Number of configured ports  */
+	int active_ports;	/* Number of open ports */
+	struct netxen_port *port[NETXEN_MAX_PORTS];	/* ptr to each port  */
+	spinlock_t tx_lock;
+	spinlock_t lock;
+	struct work_struct watchdog_task;
+	struct work_struct tx_timeout_task;
+	struct timer_list watchdog_timer;
+
+	u32 curr_window;
+
+	u32 cmd_producer;
+	u32 cmd_consumer;
+
+	u32 last_cmd_consumer;
+	u32 max_tx_desc_count;
+	u32 max_rx_desc_count;
+	u32 max_jumbo_rx_desc_count;
+	/* Num of instances active on cmd buffer ring */
+	u32 proc_cmd_buf_counter;
+
+	u32 num_threads, total_threads;	/*Use to keep track of xmit threads */
+
+	u32 flags;
+	u32 irq;
+	int driver_mismatch;
+
+	struct netxen_adapter_stats stats;
+
+	struct netxen_cmd_buffer *cmd_buf_arr;	/* Command buffers for xmit */
+
+	/*
+	 * Receive instances. These can be either one per port,
+	 * or one per peg, etc.
+	 */
+	struct netxen_recv_context recv_ctx[MAX_RCV_CTX];
+
+	int is_up;
+	int work_done;
+	struct netxen_drvops *ops;
+};				/* netxen_adapter structure */
+
+/* Max number of xmit producer threads that can run simultaneously */
+#define	MAX_XMIT_PRODUCERS		16
+
+struct netxen_port_stats {
+	u64 rcvdbadskb;
+	u64 xmitcalled;
+	u64 xmitedframes;
+	u64 xmitfinished;
+	u64 badskblen;
+	u64 nocmddescriptor;
+	u64 polled;
+	u64 uphappy;
+	u64 updropped;
+	u64 uplcong;
+	u64 uphcong;
+	u64 upmcong;
+	u64 updunno;
+	u64 skbfreed;
+	u64 txdropped;
+	u64 txnullskb;
+	u64 csummed;
+	u64 no_rcv;
+	u64 rxbytes;
+	u64 txbytes;
+};
+
+struct netxen_port {
+	struct netxen_adapter *adapter;
+
+	u16 portnum;		/* GBE port number */
+	u16 link_speed;
+	u16 link_duplex;
+	u16 link_autoneg;
+
+	int flags;
+
+	struct net_device *netdev;
+	struct pci_dev *pdev;
+	struct net_device_stats net_stats;
+	struct netxen_port_stats stats;
+};
+
+struct netxen_drvops {
+	int (*enable_phy_interrupts) (struct netxen_adapter *, int);
+	int (*disable_phy_interrupts) (struct netxen_adapter *, int);
+	void (*handle_phy_intr) (struct netxen_adapter *);
+	int (*macaddr_set) (struct netxen_port *, netxen_ethernet_macaddr_t);
+	int (*set_mtu) (struct netxen_port *, int);
+	int (*set_promisc) (struct netxen_adapter *, int,
+			    netxen_niu_prom_mode_t);
+	int (*unset_promisc) (struct netxen_adapter *, int,
+			      netxen_niu_prom_mode_t);
+	int (*phy_read) (struct netxen_adapter *, long phy, long reg, u32 *);
+	int (*phy_write) (struct netxen_adapter *, long phy, long reg, u32 val);
+	int (*init_port) (struct netxen_adapter *, int);
+	void (*init_niu) (struct netxen_adapter *);
+	int (*stop_port) (struct netxen_adapter *, int);
+};
+
+extern char netxen_nic_driver_name[];
+
+int netxen_niu_xgbe_enable_phy_interrupts(struct netxen_adapter *adapter,
+					  int port);
+int netxen_niu_gbe_enable_phy_interrupts(struct netxen_adapter *adapter,
+					 int port);
+int netxen_niu_xgbe_disable_phy_interrupts(struct netxen_adapter *adapter,
+					   int port);
+int netxen_niu_gbe_disable_phy_interrupts(struct netxen_adapter *adapter,
+					  int port);
+int netxen_niu_xgbe_clear_phy_interrupts(struct netxen_adapter *adapter,
+					 int port);
+int netxen_niu_gbe_clear_phy_interrupts(struct netxen_adapter *adapter,
+					int port);
+void netxen_nic_xgbe_handle_phy_intr(struct netxen_adapter *adapter);
+void netxen_nic_gbe_handle_phy_intr(struct netxen_adapter *adapter);
+void netxen_niu_gbe_set_mii_mode(struct netxen_adapter *adapter, int port,
+				 long enable);
+void netxen_niu_gbe_set_gmii_mode(struct netxen_adapter *adapter, int port,
+				  long enable);
+int netxen_niu_gbe_phy_read(struct netxen_adapter *adapter, long phy, long reg,
+			    __le32 * readval);
+int netxen_niu_gbe_phy_write(struct netxen_adapter *adapter, long phy,
+			     long reg, __le32 val);
+
+/* Functions available from netxen_nic_hw.c */
+int netxen_niu_xginit(struct netxen_adapter *);
+int netxen_nic_set_mtu_xgb(struct netxen_port *port, int new_mtu);
+int netxen_nic_set_mtu_gb(struct netxen_port *port, int new_mtu);
+void netxen_nic_init_niu_gb(struct netxen_adapter *adapter);
+void netxen_nic_pci_change_crbwindow(struct netxen_adapter *adapter, u32 wndw);
+void netxen_nic_reg_write(struct netxen_adapter *adapter, u64 off, u32 val);
+int netxen_nic_reg_read(struct netxen_adapter *adapter, u64 off);
+void netxen_nic_write_w0(struct netxen_adapter *adapter, u32 index, u32 value);
+void netxen_nic_read_w0(struct netxen_adapter *adapter, u32 index, u32 * value);
+
+int netxen_nic_get_board_info(struct netxen_adapter *adapter);
+int netxen_nic_hw_read_wx(struct netxen_adapter *adapter, u64 off, void *data,
+			  int len);
+int netxen_nic_hw_write_wx(struct netxen_adapter *adapter, u64 off, void *data,
+			   int len);
+void netxen_crb_writelit_adapter(struct netxen_adapter *adapter,
+				 unsigned long off, int data);
+
+/* Functions from netxen_nic_init.c */
+void netxen_phantom_init(struct netxen_adapter *adapter);
+void netxen_load_firmware(struct netxen_adapter *adapter);
+int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose);
+int netxen_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp);
+
+/* Functions from netxen_nic_isr.c */
+void netxen_nic_isr_other(struct netxen_adapter *adapter);
+void netxen_indicate_link_status(struct netxen_adapter *adapter, u32 port,
+				 u32 link);
+void netxen_handle_port_int(struct netxen_adapter *adapter, u32 port,
+			    u32 enable);
+void netxen_nic_stop_all_ports(struct netxen_adapter *adapter);
+void netxen_initialize_adapter_sw(struct netxen_adapter *adapter);
+void netxen_initialize_adapter_hw(struct netxen_adapter *adapter);
+void netxen_initialize_adapter_ops(struct netxen_adapter *adapter);
+int netxen_init_firmware(struct netxen_adapter *adapter);
+void netxen_free_hw_resources(struct netxen_adapter *adapter);
+void netxen_tso_check(struct netxen_adapter *adapter,
+		      struct cmd_desc_type0 *desc, struct sk_buff *skb);
+int netxen_nic_hw_resources(struct netxen_adapter *adapter);
+void netxen_nic_clear_stats(struct netxen_adapter *adapter);
+int
+netxen_nic_do_ioctl(struct netxen_adapter *adapter, void *u_data,
+		    struct netxen_port *port);
+int netxen_nic_rx_has_work(struct netxen_adapter *adapter);
+int netxen_nic_tx_has_work(struct netxen_adapter *adapter);
+void netxen_watchdog_task(unsigned long v);
+void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx,
+			    u32 ringid);
+void netxen_process_cmd_ring(unsigned long data);
+u32 netxen_process_rcv_ring(struct netxen_adapter *adapter, int ctx, int max);
+void netxen_nic_set_multi(struct net_device *netdev);
+int netxen_nic_change_mtu(struct net_device *netdev, int new_mtu);
+int netxen_nic_set_mac(struct net_device *netdev, void *p);
+struct net_device_stats *netxen_nic_get_stats(struct net_device *netdev);
+
+static inline void netxen_nic_disable_int(struct netxen_adapter *adapter)
+{
+	/*
+	 * ISR_INT_MASK: Can be read from window 0 or 1.
+	 */
+	writel(0x7ff, (void __iomem *)(adapter->ahw.pci_base + ISR_INT_MASK));
+}
+
+static inline void netxen_nic_enable_int(struct netxen_adapter *adapter)
+{
+	u32 mask;
+
+	switch (adapter->ahw.board_type) {
+	case NETXEN_NIC_GBE:
+		mask = 0x77b;
+		break;
+	case NETXEN_NIC_XGBE:
+		mask = 0x77f;
+		break;
+	default:
+		mask = 0x7ff;
+		break;
+	}
+
+	writel(mask, (void __iomem *)(adapter->ahw.pci_base + ISR_INT_MASK));
+
+	if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) {
+		mask = 0xbff;
+		writel(mask, (void __iomem *)
+		       (adapter->ahw.pci_base + ISR_INT_TARGET_MASK));
+	}
+}
+
+int netxen_is_flash_supported(struct netxen_adapter *adapter);
+int netxen_get_flash_mac_addr(struct netxen_adapter *adapter, u64 mac[]);
+
+extern void netxen_change_ringparam(struct netxen_adapter *adapter);
+extern int netxen_rom_fast_read(struct netxen_adapter *adapter, int addr,
+				int *valp);
+
+extern struct ethtool_ops netxen_nic_ethtool_ops;
+
+#endif				/* __NETXEN_NIC_H_ */

drivers/net/netxen/netxen_nic_ethtool.c

+/*
+ * Copyright (C) 2003 - 2006 NetXen, Inc.
+ * 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 LICENSE.
+ * 
+ * Contact Information:
+ *    info@netxen.com
+ * NetXen,
+ * 3965 Freedom Circle, Fourth floor,
+ * Santa Clara, CA 95054
+ *
+ *
+ * ethtool support for netxen nic
+ *
+ */
+
+#include <linux/types.h>
+#include <asm/uaccess.h>
+#include <linux/pci.h>
+#include <asm/io.h>
+#include <linux/netdevice.h>
+#include <linux/ethtool.h>
+#include <linux/version.h>
+
+#include "netxen_nic_hw.h"
+#include "netxen_nic.h"
+#include "netxen_nic_phan_reg.h"
+#include "netxen_nic_ioctl.h"
+
+struct netxen_nic_stats {
+	char stat_string[ETH_GSTRING_LEN];
+	int sizeof_stat;
+	int stat_offset;
+};
+
+#define NETXEN_NIC_STAT(m) sizeof(((struct netxen_port *)0)->m), \
+			offsetof(struct netxen_port, m)
+
+static const struct netxen_nic_stats netxen_nic_gstrings_stats[] = {
+	{"rcvd_bad_skb", NETXEN_NIC_STAT(stats.rcvdbadskb)},
+	{"xmit_called", NETXEN_NIC_STAT(stats.xmitcalled)},
+	{"xmited_frames", NETXEN_NIC_STAT(stats.xmitedframes)},
+	{"xmit_finished", NETXEN_NIC_STAT(stats.xmitfinished)},
+	{"bad_skb_len", NETXEN_NIC_STAT(stats.badskblen)},
+	{"no_cmd_desc", NETXEN_NIC_STAT(stats.nocmddescriptor)},
+	{"polled", NETXEN_NIC_STAT(stats.polled)},
+	{"uphappy", NETXEN_NIC_STAT(stats.uphappy)},
+	{"updropped", NETXEN_NIC_STAT(stats.updropped)},
+	{"uplcong", NETXEN_NIC_STAT(stats.uplcong)},
+	{"uphcong", NETXEN_NIC_STAT(stats.uphcong)},
+	{"upmcong", NETXEN_NIC_STAT(stats.upmcong)},
+	{"updunno", NETXEN_NIC_STAT(stats.updunno)},
+	{"skb_freed", NETXEN_NIC_STAT(stats.skbfreed)},
+	{"tx_dropped", NETXEN_NIC_STAT(stats.txdropped)},
+	{"tx_null_skb", NETXEN_NIC_STAT(stats.txnullskb)},
+	{"csummed", NETXEN_NIC_STAT(stats.csummed)},
+	{"no_rcv", NETXEN_NIC_STAT(stats.no_rcv)},
+	{"rx_bytes", NETXEN_NIC_STAT(stats.rxbytes)},
+	{"tx_bytes", NETXEN_NIC_STAT(stats.txbytes)},
+};
+
+#define NETXEN_NIC_STATS_LEN	\
+	sizeof(netxen_nic_gstrings_stats) / sizeof(struct netxen_nic_stats)
+
+static const char netxen_nic_gstrings_test[][ETH_GSTRING_LEN] = {
+	"Register_Test_offline", "EEPROM_Test_offline",
+	"Interrupt_Test_offline", "Loopback_Test_offline",
+	"Link_Test_on_offline"
+};
+
+#define NETXEN_NIC_TEST_LEN sizeof(netxen_nic_gstrings_test) / ETH_GSTRING_LEN
+
+#define NETXEN_NIC_REGS_COUNT 42
+#define NETXEN_NIC_REGS_LEN (NETXEN_NIC_REGS_COUNT * sizeof(__le32))
+#define NETXEN_MAX_EEPROM_LEN   1024
+
+static int netxen_nic_get_eeprom_len(struct net_device *dev)
+{
+	struct netxen_port *port = netdev_priv(dev);
+	struct netxen_adapter *adapter = port->adapter;
+	int n;
+
+	if ((netxen_rom_fast_read(adapter, 0, &n) == 0)
+	    && (n & NETXEN_ROM_ROUNDUP)) {
+		n &= ~NETXEN_ROM_ROUNDUP;
+		if (n < NETXEN_MAX_EEPROM_LEN)
+			return n;
+	}
+	return 0;
+}
+
+static void
+netxen_nic_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo)
+{
+	struct netxen_port *port = netdev_priv(dev);
+	struct netxen_adapter *adapter = port->adapter;
+	uint32_t fw_major = 0;
+	uint32_t fw_minor = 0;
+	uint32_t fw_build = 0;
+
+	strncpy(drvinfo->driver, "netxen_nic", 32);
+	strncpy(drvinfo->version, NETXEN_NIC_LINUX_VERSIONID, 32);
+	fw_major = readl(NETXEN_CRB_NORMALIZE(adapter,
+					      NETXEN_FW_VERSION_MAJOR));
+	fw_minor = readl(NETXEN_CRB_NORMALIZE(adapter,
+					      NETXEN_FW_VERSION_MINOR));
+	fw_build = readl(NETXEN_CRB_NORMALIZE(adapter, NETXEN_FW_VERSION_SUB));
+	sprintf(drvinfo->fw_version, "%d.%d.%d", fw_major, fw_minor, fw_build);
+
+	strncpy(drvinfo->bus_info, pci_name(port->pdev), 32);
+	drvinfo->n_stats = NETXEN_NIC_STATS_LEN;
+	drvinfo->testinfo_len = NETXEN_NIC_TEST_LEN;
+	drvinfo->regdump_len = NETXEN_NIC_REGS_LEN;
+	drvinfo->eedump_len = netxen_nic_get_eeprom_len(dev);
+}
+
+static int
+netxen_nic_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
+{
+	struct netxen_port *port = netdev_priv(dev);
+	struct netxen_adapter *adapter = port->adapter;
+
+	/* read which mode */
+	if (adapter->ahw.board_type == NETXEN_NIC_GBE) {
+		ecmd->supported = (SUPPORTED_10baseT_Half |
+				   SUPPORTED_10baseT_Full |
+				   SUPPORTED_100baseT_Half |
+				   SUPPORTED_100baseT_Full |
+				   SUPPORTED_1000baseT_Half |
+				   SUPPORTED_1000baseT_Full |
+				   SUPPORTED_TP |
+				   SUPPORTED_MII | SUPPORTED_Autoneg);
+
+		ecmd->advertising = (ADVERTISED_100baseT_Half |
+				     ADVERTISED_100baseT_Full |
+				     ADVERTISED_1000baseT_Half |
+				     ADVERTISED_1000baseT_Full |
+				     ADVERTISED_TP |
+				     ADVERTISED_MII | ADVERTISED_Autoneg);
+
+		ecmd->port = PORT_TP;
+
+		if (netif_running(dev)) {
+			ecmd->speed = port->link_speed;
+			ecmd->duplex = port->link_duplex;
+		} else
+			return -EIO;	/* link absent */
+
+		ecmd->phy_address = port->portnum;
+		ecmd->transceiver = XCVR_EXTERNAL;
+
+		/* get autoneg settings */
+		ecmd->autoneg = port->link_autoneg;
+		return 0;
+	}
+
+	if (adapter->ahw.board_type == NETXEN_NIC_XGBE) {
+		ecmd->supported = (SUPPORTED_TP |
+				   SUPPORTED_1000baseT_Full |
+				   SUPPORTED_10000baseT_Full);
+		ecmd->advertising = (ADVERTISED_TP |
+				     ADVERTISED_1000baseT_Full |
+				     ADVERTISED_10000baseT_Full);
+		ecmd->port = PORT_TP;
+
+		ecmd->speed = SPEED_10000;
+		ecmd->duplex = DUPLEX_FULL;
+		ecmd->phy_address = port->portnum;
+		ecmd->transceiver = XCVR_EXTERNAL;
+		ecmd->autoneg = AUTONEG_DISABLE;
+		return 0;
+	}
+
+	return -EIO;
+}
+
+static int
+netxen_nic_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
+{
+	struct netxen_port *port = netdev_priv(dev);
+	struct netxen_adapter *adapter = port->adapter;
+	__le32 status;
+
+	/* read which mode */
+	if (adapter->ahw.board_type == NETXEN_NIC_GBE) {
+		/* autonegotiation */
+		if (adapter->ops->phy_write
+		    && adapter->ops->phy_write(adapter, port->portnum,
+					       NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG,
+					       (__le32) ecmd->autoneg) != 0)
+			return -EIO;
+		else
+			port->link_autoneg = ecmd->autoneg;
+
+		if (adapter->ops->phy_read
+		    && adapter->ops->phy_read(adapter, port->portnum,
+					      NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
+					      &status) != 0)
+			return -EIO;
+
+		/* speed */
+		switch (ecmd->speed) {
+		case SPEED_10:
+			netxen_set_phy_speed(status, 0);
+			break;
+		case SPEED_100:
+			netxen_set_phy_speed(status, 1);
+			break;
+		case SPEED_1000:
+			netxen_set_phy_speed(status, 2);
+			break;
+		}
+		/* set duplex mode */
+		if (ecmd->duplex == DUPLEX_HALF)
+			netxen_clear_phy_duplex(status);
+		if (ecmd->duplex == DUPLEX_FULL)
+			netxen_set_phy_duplex(status);
+		if (adapter->ops->phy_write
+		    && adapter->ops->phy_write(adapter, port->portnum,
+					       NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
+					       *((int *)&status)) != 0)
+			return -EIO;
+		else {
+			port->link_speed = ecmd->speed;
+			port->link_duplex = ecmd->duplex;
+		}
+	} else
+		return -EOPNOTSUPP;
+
+	if (netif_running(dev)) {
+		dev->stop(dev);
+		dev->open(dev);
+	}
+	return 0;
+}
+
+static int netxen_nic_get_regs_len(struct net_device *dev)
+{
+	return NETXEN_NIC_REGS_LEN;
+}
+
+struct netxen_niu_regs {
+	__le32 reg[NETXEN_NIC_REGS_COUNT];
+};
+
+static struct netxen_niu_regs niu_registers[] = {
+	{
+	 /* GB Mode */
+	 {
+	  NETXEN_NIU_GB_SERDES_RESET,
+	  NETXEN_NIU_GB0_MII_MODE,
+	  NETXEN_NIU_GB1_MII_MODE,
+	  NETXEN_NIU_GB2_MII_MODE,
+	  NETXEN_NIU_GB3_MII_MODE,
+	  NETXEN_NIU_GB0_GMII_MODE,
+	  NETXEN_NIU_GB1_GMII_MODE,
+	  NETXEN_NIU_GB2_GMII_MODE,
+	  NETXEN_NIU_GB3_GMII_MODE,
+	  NETXEN_NIU_REMOTE_LOOPBACK,
+	  NETXEN_NIU_GB0_HALF_DUPLEX,
+	  NETXEN_NIU_GB1_HALF_DUPLEX,
+	  NETXEN_NIU_RESET_SYS_FIFOS,
+	  NETXEN_NIU_GB_CRC_DROP,
+	  NETXEN_NIU_GB_DROP_WRONGADDR,
+	  NETXEN_NIU_TEST_MUX_CTL,
+
+	  NETXEN_NIU_GB_MAC_CONFIG_0(0),
+	  NETXEN_NIU_GB_MAC_CONFIG_1(0),
+	  NETXEN_NIU_GB_HALF_DUPLEX_CTRL(0),
+	  NETXEN_NIU_GB_MAX_FRAME_SIZE(0),
+	  NETXEN_NIU_GB_TEST_REG(0),
+	  NETXEN_NIU_GB_MII_MGMT_CONFIG(0),
+	  NETXEN_NIU_GB_MII_MGMT_COMMAND(0),
+	  NETXEN_NIU_GB_MII_MGMT_ADDR(0),
+	  NETXEN_NIU_GB_MII_MGMT_CTRL(0),
+	  NETXEN_NIU_GB_MII_MGMT_STATUS(0),
+	  NETXEN_NIU_GB_MII_MGMT_INDICATE(0),
+	  NETXEN_NIU_GB_INTERFACE_CTRL(0),
+	  NETXEN_NIU_GB_INTERFACE_STATUS(0),
+	  NETXEN_NIU_GB_STATION_ADDR_0(0),
+	  NETXEN_NIU_GB_STATION_ADDR_1(0),
+	  -1,
+	  }
+	 },
+	{
+	 /* XG Mode */
+	 {
+	  NETXEN_NIU_XG_SINGLE_TERM,
+	  NETXEN_NIU_XG_DRIVE_HI,
+	  NETXEN_NIU_XG_DRIVE_LO,
+	  NETXEN_NIU_XG_DTX,
+	  NETXEN_NIU_XG_DEQ,
+	  NETXEN_NIU_XG_WORD_ALIGN,
+	  NETXEN_NIU_XG_RESET,
+	  NETXEN_NIU_XG_POWER_DOWN,
+	  NETXEN_NIU_XG_RESET_PLL,
+	  NETXEN_NIU_XG_SERDES_LOOPBACK,
+	  NETXEN_NIU_XG_DO_BYTE_ALIGN,
+	  NETXEN_NIU_XG_TX_ENABLE,
+	  NETXEN_NIU_XG_RX_ENABLE,
+	  NETXEN_NIU_XG_STATUS,
+	  NETXEN_NIU_XG_PAUSE_THRESHOLD,
+	  NETXEN_NIU_XGE_CONFIG_0,
+	  NETXEN_NIU_XGE_CONFIG_1,
+	  NETXEN_NIU_XGE_IPG,
+	  NETXEN_NIU_XGE_STATION_ADDR_0_HI,
+	  NETXEN_NIU_XGE_STATION_ADDR_0_1,
+	  NETXEN_NIU_XGE_STATION_ADDR_1_LO,
+	  NETXEN_NIU_XGE_STATUS,
+	  NETXEN_NIU_XGE_MAX_FRAME_SIZE,
+	  NETXEN_NIU_XGE_PAUSE_FRAME_VALUE,
+	  NETXEN_NIU_XGE_TX_BYTE_CNT,
+	  NETXEN_NIU_XGE_TX_FRAME_CNT,
+	  NETXEN_NIU_XGE_RX_BYTE_CNT,
+	  NETXEN_NIU_XGE_RX_FRAME_CNT,
+	  NETXEN_NIU_XGE_AGGR_ERROR_CNT,
+	  NETXEN_NIU_XGE_MULTICAST_FRAME_CNT,
+	  NETXEN_NIU_XGE_UNICAST_FRAME_CNT,
+	  NETXEN_NIU_XGE_CRC_ERROR_CNT,
+	  NETXEN_NIU_XGE_OVERSIZE_FRAME_ERR,
+	  NETXEN_NIU_XGE_UNDERSIZE_FRAME_ERR,
+	  NETXEN_NIU_XGE_LOCAL_ERROR_CNT,
+	  NETXEN_NIU_XGE_REMOTE_ERROR_CNT,
+	  NETXEN_NIU_XGE_CONTROL_CHAR_CNT,
+	  NETXEN_NIU_XGE_PAUSE_FRAME_CNT,
+	  -1,
+	  }
+	 }
+};
+
+static void
+netxen_nic_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *p)
+{
+	struct netxen_port *port = netdev_priv(dev);
+	struct netxen_adapter *adapter = port->adapter;
+	__le32 mode, *regs_buff = p;
+	void __iomem *addr;
+	int i, window;
+
+	memset(p, 0, NETXEN_NIC_REGS_LEN);
+	regs->version = (1 << 24) | (adapter->ahw.revision_id << 16) |
+	    (port->pdev)->device;
+	/* which mode */
+	NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_MODE, &regs_buff[0]);
+	mode = regs_buff[0];
+
+	/* Common registers to all the modes */
+	NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_STRAP_VALUE_SAVE_HIGHER,
+				   &regs_buff[2]);
+	/* GB/XGB Mode */
+	mode = (mode / 2) - 1;
+	window = 0;
+	if (mode <= 1) {
+		for (i = 3; niu_registers[mode].reg[i - 3] != -1; i++) {
+			/* GB: port specific registers */
+			if (mode == 0 && i >= 19)
+				window = port->portnum * 0x10000;
+
+			NETXEN_NIC_LOCKED_READ_REG(niu_registers[mode].
+						   reg[i - 3] + window,
+						   &regs_buff[i]);
+		}
+
+	}
+}
+
+static void
+netxen_nic_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
+{
+	wol->supported = WAKE_UCAST | WAKE_MCAST | WAKE_BCAST | WAKE_MAGIC;
+	wol->wolopts = 0;	/* options can be added depending upon the mode */
+}
+
+static u32 netxen_nic_get_link(struct net_device *dev)
+{
+	struct netxen_port *port = netdev_priv(dev);
+	struct netxen_adapter *adapter = port->adapter;
+	__le32 status;
+
+	/* read which mode */
+	if (adapter->ahw.board_type == NETXEN_NIC_GBE) {
+		if (adapter->ops->phy_read
+		    && adapter->ops->phy_read(adapter, port->portnum,
+					      NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
+					      &status) != 0)
+			return -EIO;
+		else
+			return (netxen_get_phy_link(status));
+	} else if (adapter->ahw.board_type == NETXEN_NIC_XGBE) {
+		int val = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_XG_STATE));
+		return val == XG_LINK_UP;
+	}
+	return -EIO;
+}
+
+static int
+netxen_nic_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
+		      u8 * bytes)
+{
+	struct netxen_port *port = netdev_priv(dev);
+	struct netxen_adapter *adapter = port->adapter;
+	int offset;
+
+	if (eeprom->len == 0)
+		return -EINVAL;
+
+	eeprom->magic = (port->pdev)->vendor | ((port->pdev)->device << 16);
+	for (offset = 0; offset < eeprom->len; offset++)
+		if (netxen_rom_fast_read
+		    (adapter, (8 * offset) + 8, (int *)eeprom->data) == -1)
+			return -EIO;
+	return 0;
+}
+
+static void
+netxen_nic_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ring)
+{
+	struct netxen_port *port = netdev_priv(dev);
+	struct netxen_adapter *adapter = port->adapter;
+	int i, j;
+
+	ring->rx_pending = 0;
+	for (i = 0; i < MAX_RCV_CTX; ++i) {
+		for (j = 0; j < NUM_RCV_DESC_RINGS; j++)
+			ring->rx_pending +=
+			    adapter->recv_ctx[i].rcv_desc[j].rcv_pending;
+	}
+
+	ring->rx_max_pending = adapter->max_rx_desc_count;
+	ring->tx_max_pending = adapter->max_tx_desc_count;
+	ring->rx_mini_max_pending = 0;
+	ring->rx_mini_pending = 0;
+	ring->rx_jumbo_max_pending = 0;
+	ring->rx_jumbo_pending = 0;
+}
+
+static void
+netxen_nic_get_pauseparam(struct net_device *dev,
+			  struct ethtool_pauseparam *pause)
+{
+	struct netxen_port *port = netdev_priv(dev);
+	struct netxen_adapter *adapter = port->adapter;
+	__le32 val;
+
+	if (adapter->ahw.board_type == NETXEN_NIC_GBE) {
+		/* get flow control settings */
+		netxen_nic_read_w0(adapter,
+				   NETXEN_NIU_GB_MAC_CONFIG_0(port->portnum),
+				   (u32 *) & val);
+		pause->rx_pause = netxen_gb_get_rx_flowctl(val);
+		pause->tx_pause = netxen_gb_get_tx_flowctl(val);
+		/* get autoneg settings */
+		pause->autoneg = port->link_autoneg;
+	}
+}
+
+static int
+netxen_nic_set_pauseparam(struct net_device *dev,
+			  struct ethtool_pauseparam *pause)
+{
+	struct netxen_port *port = netdev_priv(dev);
+	struct netxen_adapter *adapter = port->adapter;
+	__le32 val;
+	unsigned int autoneg;
+
+	/* read mode */
+	if (adapter->ahw.board_type == NETXEN_NIC_GBE) {
+		/* set flow control */
+		netxen_nic_read_w0(adapter,
+				   NETXEN_NIU_GB_MAC_CONFIG_0(port->portnum),
+				   (u32 *) & val);
+		if (pause->tx_pause)
+			netxen_gb_tx_flowctl(val);
+		else
+			netxen_gb_unset_tx_flowctl(val);
+		if (pause->rx_pause)
+			netxen_gb_rx_flowctl(val);
+		else
+			netxen_gb_unset_rx_flowctl(val);
+
+		netxen_nic_write_w0(adapter,
+				    NETXEN_NIU_GB_MAC_CONFIG_0(port->portnum),
+				    *(u32 *) (&val));
+		/* set autoneg */
+		autoneg = pause->autoneg;
+		if (adapter->ops->phy_write
+		    && adapter->ops->phy_write(adapter, port->portnum,
+					       NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG,
+					       (__le32) autoneg) != 0)
+			return -EIO;
+		else {
+			port->link_autoneg = pause->autoneg;
+			return 0;
+		}
+	} else
+		return -EOPNOTSUPP;
+}
+
+static int netxen_nic_reg_test(struct net_device *dev)
+{
+	struct netxen_port *port = netdev_priv(dev);
+	struct netxen_adapter *adapter = port->adapter;
+	u32 data_read, data_written, save;
+	__le32 mode;
+
+	/* 
+	 * first test the "Read Only" registers by writing which mode
+	 */
+	netxen_nic_read_w0(adapter, NETXEN_NIU_MODE, &mode);
+	if (netxen_get_niu_enable_ge(mode)) {	/* GB Mode */
+		netxen_nic_read_w0(adapter,
+				   NETXEN_NIU_GB_MII_MGMT_STATUS(port->portnum),
+				   &data_read);
+
+		save = data_read;
+		if (data_read)
+			data_written = data_read & 0xDEADBEEF;
+		else
+			data_written = 0xDEADBEEF;
+		netxen_nic_write_w0(adapter,
+				    NETXEN_NIU_GB_MII_MGMT_STATUS(port->
+								  portnum),
+				    data_written);
+		netxen_nic_read_w0(adapter,
+				   NETXEN_NIU_GB_MII_MGMT_STATUS(port->portnum),
+				   &data_read);
+
+		if (data_written == data_read) {
+			netxen_nic_write_w0(adapter,
+					    NETXEN_NIU_GB_MII_MGMT_STATUS(port->
+									  portnum),
+					    save);
+
+			return 0;
+		}
+
+		/* netxen_niu_gb_mii_mgmt_indicators is read only */
+		netxen_nic_read_w0(adapter,
+				   NETXEN_NIU_GB_MII_MGMT_INDICATE(port->
+								   portnum),
+				   &data_read);
+
+		save = data_read;
+		if (data_read)
+			data_written = data_read & 0xDEADBEEF;
+		else
+			data_written = 0xDEADBEEF;
+		netxen_nic_write_w0(adapter,
+				    NETXEN_NIU_GB_MII_MGMT_INDICATE(port->
+								    portnum),
+				    data_written);
+
+		netxen_nic_read_w0(adapter,
+				   NETXEN_NIU_GB_MII_MGMT_INDICATE(port->
+								   portnum),
+				   &data_read);
+
+		if (data_written == data_read) {
+			netxen_nic_write_w0(adapter,
+					    NETXEN_NIU_GB_MII_MGMT_INDICATE
+					    (port->portnum), save);
+			return 0;
+		}
+
+		/* netxen_niu_gb_interface_status is read only */
+		netxen_nic_read_w0(adapter,
+				   NETXEN_NIU_GB_INTERFACE_STATUS(port->
+								  portnum),
+				   &data_read);
+
+		save = data_read;
+		if (data_read)
+			data_written = data_read & 0xDEADBEEF;
+		else
+			data_written = 0xDEADBEEF;
+		netxen_nic_write_w0(adapter,
+				    NETXEN_NIU_GB_INTERFACE_STATUS(port->
+								   portnum),
+				    data_written);
+
+		netxen_nic_read_w0(adapter,
+				   NETXEN_NIU_GB_INTERFACE_STATUS(port->
+								  portnum),
+				   &data_read);
+
+		if (data_written == data_read) {
+			netxen_nic_write_w0(adapter,
+					    NETXEN_NIU_GB_INTERFACE_STATUS
+					    (port->portnum), save);
+
+			return 0;
+		}
+	}			/* GB Mode */
+	return 1;
+}
+
+static int netxen_nic_diag_test_count(struct net_device *dev)
+{
+	return NETXEN_NIC_TEST_LEN;
+}
+
+static void
+netxen_nic_diag_test(struct net_device *dev, struct ethtool_test *eth_test,
+		     u64 * data)
+{
+	if (eth_test->flags == ETH_TEST_FL_OFFLINE) {	/* offline tests */
+		/* link test */
+		if (!(data[4] = (u64) netxen_nic_get_link(dev)))
+			eth_test->flags |= ETH_TEST_FL_FAILED;
+
+		if (netif_running(dev))
+			dev->stop(dev);
+
+		/* register tests */
+		if (!(data[0] = netxen_nic_reg_test(dev)))
+			eth_test->flags |= ETH_TEST_FL_FAILED;
+		/* other tests pass as of now */
+		data[1] = data[2] = data[3] = 1;
+		if (netif_running(dev))
+			dev->open(dev);
+	} else {		/* online tests */
+		/* link test */
+		if (!(data[4] = (u64) netxen_nic_get_link(dev)))
+			eth_test->flags |= ETH_TEST_FL_FAILED;
+
+		/* other tests pass by default */
+		data[0] = data[1] = data[2] = data[3] = 1;
+	}
+}
+
+static void
+netxen_nic_get_strings(struct net_device *dev, u32 stringset, u8 * data)
+{
+	int index;
+
+	switch (stringset) {
+	case ETH_SS_TEST:
+		memcpy(data, *netxen_nic_gstrings_test,
+		       NETXEN_NIC_TEST_LEN * ETH_GSTRING_LEN);
+		break;
+	case ETH_SS_STATS:
+		for (index = 0; index < NETXEN_NIC_STATS_LEN; index++) {
+			memcpy(data + index * ETH_GSTRING_LEN,
+			       netxen_nic_gstrings_stats[index].stat_string,
+			       ETH_GSTRING_LEN);
+		}
+		break;
+	}
+}
+
+static int netxen_nic_get_stats_count(struct net_device *dev)
+{
+	return NETXEN_NIC_STATS_LEN;
+}
+
+static void
+netxen_nic_get_ethtool_stats(struct net_device *dev,
+			     struct ethtool_stats *stats, u64 * data)
+{
+	struct netxen_port *port = netdev_priv(dev);
+	int index;
+
+	for (index = 0; index < NETXEN_NIC_STATS_LEN; index++) {
+		char *p =
+		    (char *)port + netxen_nic_gstrings_stats[index].stat_offset;
+		data[index] =
+		    (netxen_nic_gstrings_stats[index].sizeof_stat ==
+		     sizeof(u64)) ? *(u64 *) p : *(u32 *) p;
+	}
+
+}
+
+struct ethtool_ops netxen_nic_ethtool_ops = {
+	.get_settings = netxen_nic_get_settings,
+	.set_settings = netxen_nic_set_settings,
+	.get_drvinfo = netxen_nic_get_drvinfo,
+	.get_regs_len = netxen_nic_get_regs_len,
+	.get_regs = netxen_nic_get_regs,
+	.get_wol = netxen_nic_get_wol,
+	.get_link = netxen_nic_get_link,
+	.get_eeprom_len = netxen_nic_get_eeprom_len,
+	.get_eeprom = netxen_nic_get_eeprom,
+	.get_ringparam = netxen_nic_get_ringparam,
+	.get_pauseparam = netxen_nic_get_pauseparam,
+	.set_pauseparam = netxen_nic_set_pauseparam,
+	.get_tx_csum = ethtool_op_get_tx_csum,
+	.set_tx_csum = ethtool_op_set_tx_csum,
+	.get_sg = ethtool_op_get_sg,
+	.set_sg = ethtool_op_set_sg,
+	.get_tso = ethtool_op_get_tso,
+	.set_tso = ethtool_op_set_tso,
+	.self_test_count = netxen_nic_diag_test_count,
+	.self_test = netxen_nic_diag_test,
+	.get_strings = netxen_nic_get_strings,
+	.get_stats_count = netxen_nic_get_stats_count,
+	.get_ethtool_stats = netxen_nic_get_ethtool_stats,
+	.get_perm_addr = ethtool_op_get_perm_addr,
+};

drivers/net/netxen/netxen_nic_hdr.h

+/*
+ * Copyright (C) 2003 - 2006 NetXen, Inc.
+ * 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 LICENSE.
+ * 
+ * Contact Information:
+ *    info@netxen.com
+ * NetXen,
+ * 3965 Freedom Circle, Fourth floor,
+ * Santa Clara, CA 95054
+ */
+
+#ifndef __NETXEN_NIC_HDR_H_
+#define __NETXEN_NIC_HDR_H_
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/config.h>
+#include <linux/version.h>
+
+#include <asm/semaphore.h>
+#include <linux/spinlock.h>
+#include <asm/irq.h>
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/pci.h>
+#include <linux/types.h>
+#include <asm/uaccess.h>
+#include <asm/string.h>		/* for memset */
+
+/*
+ * The basic unit of access when reading/writing control registers.
+ */
+
+typedef __le32 netxen_crbword_t;	/* single word in CRB space */
+
+enum {
+	NETXEN_HW_H0_CH_HUB_ADR = 0x05,
+	NETXEN_HW_H1_CH_HUB_ADR = 0x0E,
+	NETXEN_HW_H2_CH_HUB_ADR = 0x03,
+	NETXEN_HW_H3_CH_HUB_ADR = 0x01,
+	NETXEN_HW_H4_CH_HUB_ADR = 0x06,
+	NETXEN_HW_H5_CH_HUB_ADR = 0x07,
+	NETXEN_HW_H6_CH_HUB_ADR = 0x08
+};
+
+/*  Hub 0 */
+enum {
+	NETXEN_HW_MN_CRB_AGT_ADR = 0x15,
+	NETXEN_HW_MS_CRB_AGT_ADR = 0x25
+};
+
+/*  Hub 1 */
+enum {
+	NETXEN_HW_PS_CRB_AGT_ADR = 0x73,
+	NETXEN_HW_SS_CRB_AGT_ADR = 0x20,
+	NETXEN_HW_RPMX3_CRB_AGT_ADR = 0x0b,
+	NETXEN_HW_QMS_CRB_AGT_ADR = 0x00,
+	NETXEN_HW_SQGS0_CRB_AGT_ADR = 0x01,
+	NETXEN_HW_SQGS1_CRB_AGT_ADR = 0x02,
+	NETXEN_HW_SQGS2_CRB_AGT_ADR = 0x03,
+	NETXEN_HW_SQGS3_CRB_AGT_ADR = 0x04,
+	NETXEN_HW_C2C0_CRB_AGT_ADR = 0x58,
+	NETXEN_HW_C2C1_CRB_AGT_ADR = 0x59,
+	NETXEN_HW_C2C2_CRB_AGT_ADR = 0x5a,
+	NETXEN_HW_RPMX2_CRB_AGT_ADR = 0x0a,
+	NETXEN_HW_RPMX4_CRB_AGT_ADR = 0x0c,
+	NETXEN_HW_RPMX7_CRB_AGT_ADR = 0x0f,
+	NETXEN_HW_RPMX9_CRB_AGT_ADR = 0x12,
+	NETXEN_HW_SMB_CRB_AGT_ADR = 0x18
+};
+
+/*  Hub 2 */
+enum {
+	NETXEN_HW_NIU_CRB_AGT_ADR = 0x31,
+	NETXEN_HW_I2C0_CRB_AGT_ADR = 0x19,
+	NETXEN_HW_I2C1_CRB_AGT_ADR = 0x29,
+
+	NETXEN_HW_SN_CRB_AGT_ADR = 0x10,
+	NETXEN_HW_I2Q_CRB_AGT_ADR = 0x20,
+	NETXEN_HW_LPC_CRB_AGT_ADR = 0x22,
+	NETXEN_HW_ROMUSB_CRB_AGT_ADR = 0x21,
+	NETXEN_HW_QM_CRB_AGT_ADR = 0x66,
+	NETXEN_HW_SQG0_CRB_AGT_ADR = 0x60,
+	NETXEN_HW_SQG1_CRB_AGT_ADR = 0x61,
+	NETXEN_HW_SQG2_CRB_AGT_ADR = 0x62,
+	NETXEN_HW_SQG3_CRB_AGT_ADR = 0x63,
+	NETXEN_HW_RPMX1_CRB_AGT_ADR = 0x09,
+	NETXEN_HW_RPMX5_CRB_AGT_ADR = 0x0d,
+	NETXEN_HW_RPMX6_CRB_AGT_ADR = 0x0e,
+	NETXEN_HW_RPMX8_CRB_AGT_ADR = 0x11
+};
+
+/*  Hub 3 */
+enum {
+	NETXEN_HW_PH_CRB_AGT_ADR = 0x1A,
+	NETXEN_HW_SRE_CRB_AGT_ADR = 0x50,
+	NETXEN_HW_EG_CRB_AGT_ADR = 0x51,
+	NETXEN_HW_RPMX0_CRB_AGT_ADR = 0x08
+};
+
+/*  Hub 4 */
+enum {
+	NETXEN_HW_PEGN0_CRB_AGT_ADR = 0x40,
+	NETXEN_HW_PEGN1_CRB_AGT_ADR,
+	NETXEN_HW_PEGN2_CRB_AGT_ADR,
+	NETXEN_HW_PEGN3_CRB_AGT_ADR,
+	NETXEN_HW_PEGNI_CRB_AGT_ADR,
+	NETXEN_HW_PEGND_CRB_AGT_ADR,
+	NETXEN_HW_PEGNC_CRB_AGT_ADR,
+	NETXEN_HW_PEGR0_CRB_AGT_ADR,
+	NETXEN_HW_PEGR1_CRB_AGT_ADR,
+	NETXEN_HW_PEGR2_CRB_AGT_ADR,
+	NETXEN_HW_PEGR3_CRB_AGT_ADR
+};
+
+/*  Hub 5 */
+enum {
+	NETXEN_HW_PEGS0_CRB_AGT_ADR = 0x40,
+	NETXEN_HW_PEGS1_CRB_AGT_ADR,
+	NETXEN_HW_PEGS2_CRB_AGT_ADR,
+	NETXEN_HW_PEGS3_CRB_AGT_ADR,
+	NETXEN_HW_PEGSI_CRB_AGT_ADR,
+	NETXEN_HW_PEGSD_CRB_AGT_ADR,
+	NETXEN_HW_PEGSC_CRB_AGT_ADR
+};
+
+/*  Hub 6 */
+enum {
+	NETXEN_HW_CAS0_CRB_AGT_ADR = 0x46,
+	NETXEN_HW_CAS1_CRB_AGT_ADR = 0x47,
+	NETXEN_HW_CAS2_CRB_AGT_ADR = 0x48,
+	NETXEN_HW_CAS3_CRB_AGT_ADR = 0x49,
+	NETXEN_HW_NCM_CRB_AGT_ADR = 0x16,
+	NETXEN_HW_TMR_CRB_AGT_ADR = 0x17,
+	NETXEN_HW_XDMA_CRB_AGT_ADR = 0x05,
+	NETXEN_HW_OCM0_CRB_AGT_ADR = 0x06,
+	NETXEN_HW_OCM1_CRB_AGT_ADR = 0x07
+};
+
+/*  Floaters - non existent modules */
+#define NETXEN_HW_EFC_RPMX0_CRB_AGT_ADR	0x67
+
+/*  This field defines PCI/X adr [25:20] of agents on the CRB */
+enum {
+	NETXEN_HW_PX_MAP_CRB_PH = 0,
+	NETXEN_HW_PX_MAP_CRB_PS,
+	NETXEN_HW_PX_MAP_CRB_MN,
+	NETXEN_HW_PX_MAP_CRB_MS,
+	NETXEN_HW_PX_MAP_CRB_PGR1,
+	NETXEN_HW_PX_MAP_CRB_SRE,
+	NETXEN_HW_PX_MAP_CRB_NIU,
+	NETXEN_HW_PX_MAP_CRB_QMN,
+	NETXEN_HW_PX_MAP_CRB_SQN0,
+	NETXEN_HW_PX_MAP_CRB_SQN1,
+	NETXEN_HW_PX_MAP_CRB_SQN2,
+	NETXEN_HW_PX_MAP_CRB_SQN3,
+	NETXEN_HW_PX_MAP_CRB_QMS,
+	NETXEN_HW_PX_MAP_CRB_SQS0,
+	NETXEN_HW_PX_MAP_CRB_SQS1,
+	NETXEN_HW_PX_MAP_CRB_SQS2,
+	NETXEN_HW_PX_MAP_CRB_SQS3,
+	NETXEN_HW_PX_MAP_CRB_PGN0,
+	NETXEN_HW_PX_MAP_CRB_PGN1,
+	NETXEN_HW_PX_MAP_CRB_PGN2,
+	NETXEN_HW_PX_MAP_CRB_PGN3,
+	NETXEN_HW_PX_MAP_CRB_PGND,
+	NETXEN_HW_PX_MAP_CRB_PGNI,
+	NETXEN_HW_PX_MAP_CRB_PGS0,
+	NETXEN_HW_PX_MAP_CRB_PGS1,
+	NETXEN_HW_PX_MAP_CRB_PGS2,
+	NETXEN_HW_PX_MAP_CRB_PGS3,
+	NETXEN_HW_PX_MAP_CRB_PGSD,
+	NETXEN_HW_PX_MAP_CRB_PGSI,
+	NETXEN_HW_PX_MAP_CRB_SN,
+	NETXEN_HW_PX_MAP_CRB_PGR2,
+	NETXEN_HW_PX_MAP_CRB_EG,
+	NETXEN_HW_PX_MAP_CRB_PH2,
+	NETXEN_HW_PX_MAP_CRB_PS2,
+	NETXEN_HW_PX_MAP_CRB_CAM,
+	NETXEN_HW_PX_MAP_CRB_CAS0,
+	NETXEN_HW_PX_MAP_CRB_CAS1,
+	NETXEN_HW_PX_MAP_CRB_CAS2,
+	NETXEN_HW_PX_MAP_CRB_C2C0,
+	NETXEN_HW_PX_MAP_CRB_C2C1,
+	NETXEN_HW_PX_MAP_CRB_TIMR,
+	NETXEN_HW_PX_MAP_CRB_PGR3,
+	NETXEN_HW_PX_MAP_CRB_RPMX1,
+	NETXEN_HW_PX_MAP_CRB_RPMX2,
+	NETXEN_HW_PX_MAP_CRB_RPMX3,
+	NETXEN_HW_PX_MAP_CRB_RPMX4,
+	NETXEN_HW_PX_MAP_CRB_RPMX5,
+	NETXEN_HW_PX_MAP_CRB_RPMX6,
+	NETXEN_HW_PX_MAP_CRB_RPMX7,
+	NETXEN_HW_PX_MAP_CRB_XDMA,
+	NETXEN_HW_PX_MAP_CRB_I2Q,
+	NETXEN_HW_PX_MAP_CRB_ROMUSB,
+	NETXEN_HW_PX_MAP_CRB_CAS3,
+	NETXEN_HW_PX_MAP_CRB_RPMX0,
+	NETXEN_HW_PX_MAP_CRB_RPMX8,
+	NETXEN_HW_PX_MAP_CRB_RPMX9,
+	NETXEN_HW_PX_MAP_CRB_OCM0,
+	NETXEN_HW_PX_MAP_CRB_OCM1,
+	NETXEN_HW_PX_MAP_CRB_SMB,
+	NETXEN_HW_PX_MAP_CRB_I2C0,
+	NETXEN_HW_PX_MAP_CRB_I2C1,
+	NETXEN_HW_PX_MAP_CRB_LPC,
+	NETXEN_HW_PX_MAP_CRB_PGNC,
+	NETXEN_HW_PX_MAP_CRB_PGR0
+};
+
+/*  This field defines CRB adr [31:20] of the agents */
+
+#define NETXEN_HW_CRB_HUB_AGT_ADR_MN	\
+	((NETXEN_HW_H0_CH_HUB_ADR << 7) | NETXEN_HW_MN_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_PH	\
+	((NETXEN_HW_H0_CH_HUB_ADR << 7) | NETXEN_HW_PH_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_MS	\
+	((NETXEN_HW_H0_CH_HUB_ADR << 7) | NETXEN_HW_MS_CRB_AGT_ADR)
+
+#define NETXEN_HW_CRB_HUB_AGT_ADR_PS	\
+	((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_PS_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_SS	\
+	((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_SS_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_RPMX3	\
+	((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_RPMX3_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_QMS	\
+	((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_QMS_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_SQS0	\
+	((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_SQGS0_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_SQS1	\
+	((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_SQGS1_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_SQS2	\
+	((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_SQGS2_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_SQS3	\
+	((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_SQGS3_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_C2C0	\
+	((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_C2C0_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_C2C1	\
+	((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_C2C1_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_RPMX2	\
+	((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_RPMX2_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_RPMX4	\
+	((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_RPMX4_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_RPMX7	\
+	((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_RPMX7_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_RPMX9	\
+	((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_RPMX9_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_SMB	\
+	((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_SMB_CRB_AGT_ADR)
+
+#define NETXEN_HW_CRB_HUB_AGT_ADR_NIU	\
+	((NETXEN_HW_H2_CH_HUB_ADR << 7) | NETXEN_HW_NIU_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_I2C0	\
+	((NETXEN_HW_H2_CH_HUB_ADR << 7) | NETXEN_HW_I2C0_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_I2C1	\
+	((NETXEN_HW_H2_CH_HUB_ADR << 7) | NETXEN_HW_I2C1_CRB_AGT_ADR)
+
+#define NETXEN_HW_CRB_HUB_AGT_ADR_SRE	\
+	((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_SRE_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_EG	\
+	((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_EG_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_RPMX0	\
+	((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_RPMX0_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_QMN	\
+	((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_QM_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_SQN0	\
+	((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_SQG0_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_SQN1	\
+	((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_SQG1_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_SQN2	\
+	((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_SQG2_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_SQN3	\
+	((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_SQG3_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_RPMX1	\
+	((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_RPMX1_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_RPMX5	\
+	((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_RPMX5_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_RPMX6	\
+	((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_RPMX6_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_RPMX8	\
+	((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_RPMX8_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_CAS0	\
+	((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_CAS0_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_CAS1	\
+	((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_CAS1_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_CAS2	\
+	((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_CAS2_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_CAS3	\
+	((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_CAS3_CRB_AGT_ADR)
+
+#define NETXEN_HW_CRB_HUB_AGT_ADR_PGNI	\
+	((NETXEN_HW_H4_CH_HUB_ADR << 7) | NETXEN_HW_PEGNI_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_PGND	\
+	((NETXEN_HW_H4_CH_HUB_ADR << 7) | NETXEN_HW_PEGND_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_PGN0	\
+	((NETXEN_HW_H4_CH_HUB_ADR << 7) | NETXEN_HW_PEGN0_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_PGN1	\
+	((NETXEN_HW_H4_CH_HUB_ADR << 7) | NETXEN_HW_PEGN1_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_PGN2	\
+	((NETXEN_HW_H4_CH_HUB_ADR << 7) | NETXEN_HW_PEGN2_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_PGN3	\
+	((NETXEN_HW_H4_CH_HUB_ADR << 7) | NETXEN_HW_PEGN3_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_PGNC	\
+	((NETXEN_HW_H4_CH_HUB_ADR << 7) | NETXEN_HW_PEGNC_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_PGR0	\
+	((NETXEN_HW_H4_CH_HUB_ADR << 7) | NETXEN_HW_PEGR0_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_PGR1	\
+	((NETXEN_HW_H4_CH_HUB_ADR << 7) | NETXEN_HW_PEGR1_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_PGR2	\
+	((NETXEN_HW_H4_CH_HUB_ADR << 7) | NETXEN_HW_PEGR2_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_PGR3	\
+	((NETXEN_HW_H4_CH_HUB_ADR << 7) | NETXEN_HW_PEGR3_CRB_AGT_ADR)
+
+#define NETXEN_HW_CRB_HUB_AGT_ADR_PGSI	\
+	((NETXEN_HW_H5_CH_HUB_ADR << 7) | NETXEN_HW_PEGSI_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_PGSD	\
+	((NETXEN_HW_H5_CH_HUB_ADR << 7) | NETXEN_HW_PEGSD_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_PGS0	\
+	((NETXEN_HW_H5_CH_HUB_ADR << 7) | NETXEN_HW_PEGS0_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_PGS1	\
+	((NETXEN_HW_H5_CH_HUB_ADR << 7) | NETXEN_HW_PEGS1_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_PGS2	\
+	((NETXEN_HW_H5_CH_HUB_ADR << 7) | NETXEN_HW_PEGS2_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_PGS3	\
+	((NETXEN_HW_H5_CH_HUB_ADR << 7) | NETXEN_HW_PEGS3_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_PGSC	\
+	((NETXEN_HW_H5_CH_HUB_ADR << 7) | NETXEN_HW_PEGSC_CRB_AGT_ADR)
+
+#define NETXEN_HW_CRB_HUB_AGT_ADR_CAM	\
+	((NETXEN_HW_H6_CH_HUB_ADR << 7) | NETXEN_HW_NCM_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_TIMR	\
+	((NETXEN_HW_H6_CH_HUB_ADR << 7) | NETXEN_HW_TMR_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_XDMA	\
+	((NETXEN_HW_H6_CH_HUB_ADR << 7) | NETXEN_HW_XDMA_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_SN	\
+	((NETXEN_HW_H6_CH_HUB_ADR << 7) | NETXEN_HW_SN_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_I2Q	\
+	((NETXEN_HW_H6_CH_HUB_ADR << 7) | NETXEN_HW_I2Q_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_ROMUSB	\
+	((NETXEN_HW_H6_CH_HUB_ADR << 7) | NETXEN_HW_ROMUSB_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_OCM0	\
+	((NETXEN_HW_H6_CH_HUB_ADR << 7) | NETXEN_HW_OCM0_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_OCM1	\
+	((NETXEN_HW_H6_CH_HUB_ADR << 7) | NETXEN_HW_OCM1_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_LPC	\
+	((NETXEN_HW_H6_CH_HUB_ADR << 7) | NETXEN_HW_LPC_CRB_AGT_ADR)
+
+/*
+ * MAX_RCV_CTX : The number of receive contexts that are available on
+ * the phantom.
+ */
+#define MAX_RCV_CTX			1
+
+#define NETXEN_SRE_INT_STATUS		(NETXEN_CRB_SRE + 0x00034)
+#define NETXEN_SRE_PBI_ACTIVE_STATUS	(NETXEN_CRB_SRE + 0x01014)
+#define NETXEN_SRE_L1RE_CTL		(NETXEN_CRB_SRE + 0x03000)
+#define NETXEN_SRE_L2RE_CTL		(NETXEN_CRB_SRE + 0x05000)
+#define NETXEN_SRE_BUF_CTL		(NETXEN_CRB_SRE + 0x01000)
+
+#define	NETXEN_DMA_BASE(U)	(NETXEN_CRB_PCIX_MD + 0x20000 + ((U)<<16))
+#define	NETXEN_DMA_COMMAND(U)	(NETXEN_DMA_BASE(U) + 0x00008)
+
+#define NETXEN_I2Q_CLR_PCI_HI	(NETXEN_CRB_I2Q + 0x00034)
+
+#define PEG_NETWORK_BASE(N)	(NETXEN_CRB_PEG_NET_0 + (((N)&3) << 20))
+#define CRB_REG_EX_PC		0x3c
+
+#define ROMUSB_GLB	(NETXEN_CRB_ROMUSB + 0x00000)
+#define ROMUSB_ROM	(NETXEN_CRB_ROMUSB + 0x10000)
+
+#define NETXEN_ROMUSB_GLB_STATUS	(ROMUSB_GLB + 0x0004)
+#define NETXEN_ROMUSB_GLB_SW_RESET	(ROMUSB_GLB + 0x0008)
+#define NETXEN_ROMUSB_GLB_PAD_GPIO_I	(ROMUSB_GLB + 0x000c)
+#define NETXEN_ROMUSB_GLB_CAS_RST	(ROMUSB_GLB + 0x0038)
+#define NETXEN_ROMUSB_GLB_TEST_MUX_SEL	(ROMUSB_GLB + 0x0044)
+#define NETXEN_ROMUSB_GLB_PEGTUNE_DONE	(ROMUSB_GLB + 0x005c)
+#define NETXEN_ROMUSB_GLB_CHIP_CLK_CTRL	(ROMUSB_GLB + 0x00A8)
+
+#define NETXEN_ROMUSB_GPIO(n)		(ROMUSB_GLB + 0x60 + (4 * (n)))
+
+#define NETXEN_ROMUSB_ROM_INSTR_OPCODE	(ROMUSB_ROM + 0x0004)
+#define NETXEN_ROMUSB_ROM_ADDRESS	(ROMUSB_ROM + 0x0008)
+#define NETXEN_ROMUSB_ROM_ABYTE_CNT	(ROMUSB_ROM + 0x0010)
+#define NETXEN_ROMUSB_ROM_DUMMY_BYTE_CNT (ROMUSB_ROM + 0x0014)
+#define NETXEN_ROMUSB_ROM_RDATA		(ROMUSB_ROM + 0x0018)
+
+/* Lock IDs for ROM lock */
+#define ROM_LOCK_DRIVER	0x0d417340
+
+#define NETXEN_PCI_CRB_WINDOWSIZE	0x00100000	/* all are 1MB windows */
+#define NETXEN_PCI_CRB_WINDOW(A)	\
+	(NETXEN_PCI_CRBSPACE + (A)*NETXEN_PCI_CRB_WINDOWSIZE)
+
+#define NETXEN_CRB_NIU		NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_NIU)
+#define NETXEN_CRB_SRE		NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_SRE)
+#define NETXEN_CRB_ROMUSB	\
+	NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_ROMUSB)
+#define NETXEN_CRB_I2Q		NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_I2Q)
+#define NETXEN_CRB_MAX		NETXEN_PCI_CRB_WINDOW(64)
+
+#define NETXEN_CRB_PCIX_HOST	NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_PH)
+#define NETXEN_CRB_PCIX_HOST2	NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_PH2)
+#define NETXEN_CRB_PEG_NET_0	NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_PGN0)
+#define NETXEN_CRB_PEG_NET_1	NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_PGN1)
+#define NETXEN_CRB_PEG_NET_2	NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_PGN2)
+#define NETXEN_CRB_PEG_NET_3	NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_PGN3)
+#define NETXEN_CRB_PEG_NET_D	NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_PGND)
+#define NETXEN_CRB_PEG_NET_I	NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_PGNI)
+#define NETXEN_CRB_DDR_NET	NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_MN)
+
+#define NETXEN_CRB_PCIX_MD	NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_PS)
+#define NETXEN_CRB_PCIE		NETXEN_CRB_PCIX_MD
+
+#define ISR_INT_VECTOR		(NETXEN_PCIX_PS_REG(PCIX_INT_VECTOR))
+#define ISR_INT_MASK		(NETXEN_PCIX_PS_REG(PCIX_INT_MASK))
+#define ISR_INT_MASK_SLOW	(NETXEN_PCIX_PS_REG(PCIX_INT_MASK))
+#define ISR_INT_TARGET_STATUS	(NETXEN_PCIX_PS_REG(PCIX_TARGET_STATUS))
+#define ISR_INT_TARGET_MASK	(NETXEN_PCIX_PS_REG(PCIX_TARGET_MASK))
+
+#define NETXEN_PCI_MAPSIZE	128
+#define NETXEN_PCI_DDR_NET	(0x00000000UL)
+#define NETXEN_PCI_QDR_NET	(0x04000000UL)
+#define NETXEN_PCI_DIRECT_CRB	(0x04400000UL)
+#define NETXEN_PCI_CAMQM_MAX	(0x04ffffffUL)
+#define NETXEN_PCI_OCM0		(0x05000000UL)
+#define NETXEN_PCI_OCM0_MAX	(0x050fffffUL)
+#define NETXEN_PCI_OCM1		(0x05100000UL)
+#define NETXEN_PCI_OCM1_MAX	(0x051fffffUL)
+#define NETXEN_PCI_CRBSPACE	(0x06000000UL)
+
+#define NETXEN_CRB_CAM	NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_CAM)
+
+#define NETXEN_ADDR_DDR_NET	(0x0000000000000000ULL)
+#define NETXEN_ADDR_DDR_NET_MAX (0x000000000fffffffULL)
+#define NETXEN_ADDR_OCM0	(0x0000000200000000ULL)
+#define NETXEN_ADDR_OCM0_MAX	(0x00000002000fffffULL)
+#define NETXEN_ADDR_OCM1	(0x0000000200400000ULL)
+#define NETXEN_ADDR_OCM1_MAX	(0x00000002004fffffULL)
+#define NETXEN_ADDR_QDR_NET	(0x0000000300000000ULL)
+#define NETXEN_ADDR_QDR_NET_MAX (0x00000003003fffffULL)
+
+	/* 200ms delay in each loop */
+#define	NETXEN_NIU_PHY_WAITLEN		200000
+	/* 10 seconds before we give up */
+#define	NETXEN_NIU_PHY_WAITMAX		50
+#define	NETXEN_NIU_MAX_GBE_PORTS	4
+
+#define	NETXEN_NIU_MODE			(NETXEN_CRB_NIU + 0x00000)
+
+#define	NETXEN_NIU_XG_SINGLE_TERM	(NETXEN_CRB_NIU + 0x00004)
+#define	NETXEN_NIU_XG_DRIVE_HI		(NETXEN_CRB_NIU + 0x00008)
+#define	NETXEN_NIU_XG_DRIVE_LO		(NETXEN_CRB_NIU + 0x0000c)
+#define	NETXEN_NIU_XG_DTX		(NETXEN_CRB_NIU + 0x00010)
+#define	NETXEN_NIU_XG_DEQ		(NETXEN_CRB_NIU + 0x00014)
+#define	NETXEN_NIU_XG_WORD_ALIGN	(NETXEN_CRB_NIU + 0x00018)
+#define	NETXEN_NIU_XG_RESET		(NETXEN_CRB_NIU + 0x0001c)
+#define	NETXEN_NIU_XG_POWER_DOWN	(NETXEN_CRB_NIU + 0x00020)
+#define	NETXEN_NIU_XG_RESET_PLL		(NETXEN_CRB_NIU + 0x00024)
+#define	NETXEN_NIU_XG_SERDES_LOOPBACK	(NETXEN_CRB_NIU + 0x00028)
+#define	NETXEN_NIU_XG_DO_BYTE_ALIGN	(NETXEN_CRB_NIU + 0x0002c)
+#define	NETXEN_NIU_XG_TX_ENABLE		(NETXEN_CRB_NIU + 0x00030)
+#define	NETXEN_NIU_XG_RX_ENABLE		(NETXEN_CRB_NIU + 0x00034)
+#define	NETXEN_NIU_XG_STATUS		(NETXEN_CRB_NIU + 0x00038)
+#define	NETXEN_NIU_XG_PAUSE_THRESHOLD	(NETXEN_CRB_NIU + 0x0003c)
+#define	NETXEN_NIU_INT_MASK		(NETXEN_CRB_NIU + 0x00040)
+#define	NETXEN_NIU_ACTIVE_INT		(NETXEN_CRB_NIU + 0x00044)
+#define	NETXEN_NIU_MASKABLE_INT		(NETXEN_CRB_NIU + 0x00048)
+
+#define NETXEN_NIU_STRAP_VALUE_SAVE_HIGHER	(NETXEN_CRB_NIU + 0x0004c)
+
+#define	NETXEN_NIU_GB_SERDES_RESET	(NETXEN_CRB_NIU + 0x00050)
+#define	NETXEN_NIU_GB0_GMII_MODE	(NETXEN_CRB_NIU + 0x00054)
+#define	NETXEN_NIU_GB0_MII_MODE		(NETXEN_CRB_NIU + 0x00058)
+#define	NETXEN_NIU_GB1_GMII_MODE	(NETXEN_CRB_NIU + 0x0005c)
+#define	NETXEN_NIU_GB1_MII_MODE		(NETXEN_CRB_NIU + 0x00060)
+#define	NETXEN_NIU_GB2_GMII_MODE	(NETXEN_CRB_NIU + 0x00064)
+#define	NETXEN_NIU_GB2_MII_MODE		(NETXEN_CRB_NIU + 0x00068)
+#define	NETXEN_NIU_GB3_GMII_MODE	(NETXEN_CRB_NIU + 0x0006c)
+#define	NETXEN_NIU_GB3_MII_MODE		(NETXEN_CRB_NIU + 0x00070)
+#define	NETXEN_NIU_REMOTE_LOOPBACK	(NETXEN_CRB_NIU + 0x00074)
+#define	NETXEN_NIU_GB0_HALF_DUPLEX	(NETXEN_CRB_NIU + 0x00078)
+#define	NETXEN_NIU_GB1_HALF_DUPLEX	(NETXEN_CRB_NIU + 0x0007c)
+#define	NETXEN_NIU_RESET_SYS_FIFOS	(NETXEN_CRB_NIU + 0x00088)
+#define	NETXEN_NIU_GB_CRC_DROP		(NETXEN_CRB_NIU + 0x0008c)
+#define	NETXEN_NIU_GB_DROP_WRONGADDR	(NETXEN_CRB_NIU + 0x00090)
+#define	NETXEN_NIU_TEST_MUX_CTL		(NETXEN_CRB_NIU + 0x00094)
+#define	NETXEN_NIU_XG_PAUSE_CTL		(NETXEN_CRB_NIU + 0x00098)
+#define	NETXEN_NIU_XG_PAUSE_LEVEL	(NETXEN_CRB_NIU + 0x000dc)
+#define	NETXEN_NIU_XG_SEL		(NETXEN_CRB_NIU + 0x00128)
+
+#define NETXEN_MAC_ADDR_CNTL_REG	(NETXEN_CRB_NIU + 0x1000)
+
+#define	NETXEN_MULTICAST_ADDR_HI_0	(NETXEN_CRB_NIU + 0x1010)
+#define NETXEN_MULTICAST_ADDR_HI_1	(NETXEN_CRB_NIU + 0x1014)
+#define NETXEN_MULTICAST_ADDR_HI_2	(NETXEN_CRB_NIU + 0x1018)
+#define NETXEN_MULTICAST_ADDR_HI_3	(NETXEN_CRB_NIU + 0x101c)
+
+#define	NETXEN_NIU_GB_MAC_CONFIG_0(I)		\
+	(NETXEN_CRB_NIU + 0x30000 + (I)*0x10000)
+#define	NETXEN_NIU_GB_MAC_CONFIG_1(I)		\
+	(NETXEN_CRB_NIU + 0x30004 + (I)*0x10000)
+#define	NETXEN_NIU_GB_MAC_IPG_IFG(I)		\
+	(NETXEN_CRB_NIU + 0x30008 + (I)*0x10000)
+#define	NETXEN_NIU_GB_HALF_DUPLEX_CTRL(I)	\
+	(NETXEN_CRB_NIU + 0x3000c + (I)*0x10000)
+#define	NETXEN_NIU_GB_MAX_FRAME_SIZE(I)		\
+	(NETXEN_CRB_NIU + 0x30010 + (I)*0x10000)
+#define	NETXEN_NIU_GB_TEST_REG(I)		\
+	(NETXEN_CRB_NIU + 0x3001c + (I)*0x10000)
+#define	NETXEN_NIU_GB_MII_MGMT_CONFIG(I)	\
+	(NETXEN_CRB_NIU + 0x30020 + (I)*0x10000)
+#define	NETXEN_NIU_GB_MII_MGMT_COMMAND(I)	\
+	(NETXEN_CRB_NIU + 0x30024 + (I)*0x10000)
+#define	NETXEN_NIU_GB_MII_MGMT_ADDR(I)		\
+	(NETXEN_CRB_NIU + 0x30028 + (I)*0x10000)
+#define	NETXEN_NIU_GB_MII_MGMT_CTRL(I)		\
+	(NETXEN_CRB_NIU + 0x3002c + (I)*0x10000)
+#define	NETXEN_NIU_GB_MII_MGMT_STATUS(I)	\
+	(NETXEN_CRB_NIU + 0x30030 + (I)*0x10000)
+#define	NETXEN_NIU_GB_MII_MGMT_INDICATE(I)	\
+	(NETXEN_CRB_NIU + 0x30034 + (I)*0x10000)
+#define	NETXEN_NIU_GB_INTERFACE_CTRL(I)		\
+	(NETXEN_CRB_NIU + 0x30038 + (I)*0x10000)
+#define	NETXEN_NIU_GB_INTERFACE_STATUS(I)	\
+	(NETXEN_CRB_NIU + 0x3003c + (I)*0x10000)
+#define	NETXEN_NIU_GB_STATION_ADDR_0(I)		\
+	(NETXEN_CRB_NIU + 0x30040 + (I)*0x10000)
+#define	NETXEN_NIU_GB_STATION_ADDR_1(I)		\
+	(NETXEN_CRB_NIU + 0x30044 + (I)*0x10000)
+
+#define	NETXEN_NIU_XGE_CONFIG_0			(NETXEN_CRB_NIU + 0x70000)
+#define	NETXEN_NIU_XGE_CONFIG_1			(NETXEN_CRB_NIU + 0x70004)
+#define	NETXEN_NIU_XGE_IPG			(NETXEN_CRB_NIU + 0x70008)
+#define	NETXEN_NIU_XGE_STATION_ADDR_0_HI	(NETXEN_CRB_NIU + 0x7000c)
+#define	NETXEN_NIU_XGE_STATION_ADDR_0_1		(NETXEN_CRB_NIU + 0x70010)
+#define	NETXEN_NIU_XGE_STATION_ADDR_1_LO	(NETXEN_CRB_NIU + 0x70014)
+#define	NETXEN_NIU_XGE_STATUS			(NETXEN_CRB_NIU + 0x70018)
+#define	NETXEN_NIU_XGE_MAX_FRAME_SIZE		(NETXEN_CRB_NIU + 0x7001c)
+#define	NETXEN_NIU_XGE_PAUSE_FRAME_VALUE	(NETXEN_CRB_NIU + 0x70020)
+#define	NETXEN_NIU_XGE_TX_BYTE_CNT		(NETXEN_CRB_NIU + 0x70024)
+#define	NETXEN_NIU_XGE_TX_FRAME_CNT		(NETXEN_CRB_NIU + 0x70028)
+#define	NETXEN_NIU_XGE_RX_BYTE_CNT		(NETXEN_CRB_NIU + 0x7002c)
+#define	NETXEN_NIU_XGE_RX_FRAME_CNT		(NETXEN_CRB_NIU + 0x70030)
+#define	NETXEN_NIU_XGE_AGGR_ERROR_CNT		(NETXEN_CRB_NIU + 0x70034)
+#define	NETXEN_NIU_XGE_MULTICAST_FRAME_CNT 	(NETXEN_CRB_NIU + 0x70038)
+#define	NETXEN_NIU_XGE_UNICAST_FRAME_CNT	(NETXEN_CRB_NIU + 0x7003c)
+#define	NETXEN_NIU_XGE_CRC_ERROR_CNT		(NETXEN_CRB_NIU + 0x70040)
+#define	NETXEN_NIU_XGE_OVERSIZE_FRAME_ERR	(NETXEN_CRB_NIU + 0x70044)
+#define	NETXEN_NIU_XGE_UNDERSIZE_FRAME_ERR	(NETXEN_CRB_NIU + 0x70048)
+#define	NETXEN_NIU_XGE_LOCAL_ERROR_CNT		(NETXEN_CRB_NIU + 0x7004c)
+#define	NETXEN_NIU_XGE_REMOTE_ERROR_CNT		(NETXEN_CRB_NIU + 0x70050)
+#define	NETXEN_NIU_XGE_CONTROL_CHAR_CNT		(NETXEN_CRB_NIU + 0x70054)
+#define	NETXEN_NIU_XGE_PAUSE_FRAME_CNT		(NETXEN_CRB_NIU + 0x70058)
+
+/* XG Link status */
+#define XG_LINK_UP	0x10
+#define XG_LINK_DOWN	0x20
+
+#define NETXEN_CAM_RAM_BASE	(NETXEN_CRB_CAM + 0x02000)
+#define NETXEN_CAM_RAM(reg)	(NETXEN_CAM_RAM_BASE + (reg))
+#define NETXEN_FW_VERSION_MAJOR (NETXEN_CAM_RAM(0x150))
+#define NETXEN_FW_VERSION_MINOR (NETXEN_CAM_RAM(0x154))
+#define NETXEN_FW_VERSION_SUB	(NETXEN_CAM_RAM(0x158))
+#define NETXEN_ROM_LOCK_ID	(NETXEN_CAM_RAM(0x100))
+
+#define PCIX_PS_OP_ADDR_LO	(0x10000)	/* Used for PS PCI Memory access */
+#define PCIX_PS_OP_ADDR_HI	(0x10004)	/*   via CRB  (PS side only)     */
+
+#define PCIX_INT_VECTOR		(0x10100)
+#define PCIX_INT_MASK		(0x10104)
+
+#define PCIX_MN_WINDOW		(0x10200)
+#define PCIX_MS_WINDOW		(0x10204)
+#define PCIX_SN_WINDOW		(0x10208)
+#define PCIX_CRB_WINDOW		(0x10210)
+
+#define PCIX_TARGET_STATUS	(0x10118)
+#define PCIX_TARGET_MASK	(0x10128)
+
+#define PCIX_MSI_F0		(0x13000)
+
+#define PCIX_PS_MEM_SPACE	(0x90000)
+
+#define NETXEN_PCIX_PH_REG(reg)	(NETXEN_CRB_PCIE + (reg))
+#define NETXEN_PCIX_PS_REG(reg)	(NETXEN_CRB_PCIX_MD + (reg))
+
+#define NETXEN_PCIE_REG(reg)	(NETXEN_CRB_PCIE + (reg))
+
+#define PCIE_MAX_DMA_XFER_SIZE	(0x1404c)
+
+#define PCIE_DCR		0x00d8
+
+#define PCIE_SEM2_LOCK		(0x1c010)	/* Flash lock   */
+#define PCIE_SEM2_UNLOCK	(0x1c014)	/* Flash unlock */
+
+#define PCIE_TGT_SPLIT_CHICKEN	(0x12080)
+
+#define PCIE_MAX_MASTER_SPLIT	(0x14048)
+
+#endif				/* __NETXEN_NIC_HDR_H_ */

drivers/net/netxen/netxen_nic_hw.c

+/*
+ * Copyright (C) 2003 - 2006 NetXen, Inc.
+ * 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 LICENSE.
+ * 
+ * Contact Information:
+ *    info@netxen.com
+ * NetXen,
+ * 3965 Freedom Circle, Fourth floor,
+ * Santa Clara, CA 95054
+ *
+ *
+ * Source file for NIC routines to access the Phantom hardware
+ *
+ */
+
+#include "netxen_nic.h"
+#include "netxen_nic_hw.h"
+#include "netxen_nic_phan_reg.h"
+
+/*  PCI Windowing for DDR regions.  */
+
+#define ADDR_IN_RANGE(addr, low, high)	\
+	(((addr) <= (high)) && ((addr) >= (low)))
+
+#define NETXEN_FLASH_BASE	(BOOTLD_START)
+#define NETXEN_PHANTOM_MEM_BASE	(NETXEN_FLASH_BASE)
+#define NETXEN_MAX_MTU		8000
+#define NETXEN_MIN_MTU          64
+#define NETXEN_ETH_FCS_SIZE     4
+#define NETXEN_ENET_HEADER_SIZE 14
+#define NETXEN_WINDOW_ONE 0x2000000	/* CRB Window: bit 25 of CRB address */
+#define NETXEN_FIRMWARE_LEN 	((16 * 1024) / 4)
+#define NETXEN_NIU_HDRSIZE	(0x1 << 6)
+#define NETXEN_NIU_TLRSIZE	(0x1 << 5)
+
+unsigned long netxen_nic_pci_set_window(void __iomem * pci_base,
+					unsigned long long addr);
+void netxen_free_hw_resources(struct netxen_adapter *adapter);
+
+int netxen_nic_set_mac(struct net_device *netdev, void *p)
+{
+	struct netxen_port *port = netdev_priv(netdev);
+	struct netxen_adapter *adapter = port->adapter;
+	struct sockaddr *addr = p;
+
+	if (netif_running(netdev))
+		return -EBUSY;
+
+	if (!is_valid_ether_addr(addr->sa_data))
+		return -EADDRNOTAVAIL;
+
+	DPRINTK(INFO, "valid ether addr\n");
+	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
+
+	if (adapter->ops->macaddr_set)
+		adapter->ops->macaddr_set(port, addr->sa_data);
+
+	return 0;
+}
+
+/*
+ * netxen_nic_set_multi - Multicast
+ */
+void netxen_nic_set_multi(struct net_device *netdev)
+{
+	struct netxen_port *port = netdev_priv(netdev);
+	struct netxen_adapter *adapter = port->adapter;
+	struct dev_mc_list *mc_ptr;
+	__le32 netxen_mac_addr_cntl_data = 0;
+
+	mc_ptr = netdev->mc_list;
+	if (netdev->flags & IFF_PROMISC) {
+		if (adapter->ops->set_promisc)
+			adapter->ops->set_promisc(adapter,
+						  port->portnum,
+						  NETXEN_NIU_PROMISC_MODE);
+	} else {
+		if (adapter->ops->unset_promisc)
+			adapter->ops->unset_promisc(adapter,
+						    port->portnum,
+						    NETXEN_NIU_NON_PROMISC_MODE);
+	}
+	if (adapter->ahw.board_type == NETXEN_NIC_XGBE) {
+		netxen_nic_mcr_set_mode_select(netxen_mac_addr_cntl_data, 0x03);
+		netxen_nic_mcr_set_id_pool0(netxen_mac_addr_cntl_data, 0x00);
+		netxen_nic_mcr_set_id_pool1(netxen_mac_addr_cntl_data, 0x00);
+		netxen_nic_mcr_set_id_pool2(netxen_mac_addr_cntl_data, 0x00);
+		netxen_nic_mcr_set_id_pool3(netxen_mac_addr_cntl_data, 0x00);
+		netxen_nic_mcr_set_enable_xtnd0(netxen_mac_addr_cntl_data);
+		netxen_nic_mcr_set_enable_xtnd1(netxen_mac_addr_cntl_data);
+		netxen_nic_mcr_set_enable_xtnd2(netxen_mac_addr_cntl_data);
+		netxen_nic_mcr_set_enable_xtnd3(netxen_mac_addr_cntl_data);
+	} else {
+		netxen_nic_mcr_set_mode_select(netxen_mac_addr_cntl_data, 0x00);
+		netxen_nic_mcr_set_id_pool0(netxen_mac_addr_cntl_data, 0x00);
+		netxen_nic_mcr_set_id_pool1(netxen_mac_addr_cntl_data, 0x01);
+		netxen_nic_mcr_set_id_pool2(netxen_mac_addr_cntl_data, 0x02);
+		netxen_nic_mcr_set_id_pool3(netxen_mac_addr_cntl_data, 0x03);
+	}
+	writel(netxen_mac_addr_cntl_data,
+	       NETXEN_CRB_NORMALIZE(adapter, NETXEN_MAC_ADDR_CNTL_REG));
+	if (adapter->ahw.board_type == NETXEN_NIC_XGBE) {
+		writel(netxen_mac_addr_cntl_data,
+		       NETXEN_CRB_NORMALIZE(adapter,
+					    NETXEN_MULTICAST_ADDR_HI_0));
+	} else {
+		writel(netxen_mac_addr_cntl_data,
+		       NETXEN_CRB_NORMALIZE(adapter,
+					    NETXEN_MULTICAST_ADDR_HI_1));
+	}
+	netxen_mac_addr_cntl_data = 0;
+	writel(netxen_mac_addr_cntl_data,
+	       NETXEN_CRB_NORMALIZE(adapter, NETXEN_NIU_GB_DROP_WRONGADDR));
+}
+
+/*
+ * netxen_nic_change_mtu - Change the Maximum Transfer Unit
+ * @returns 0 on success, negative on failure
+ */
+int netxen_nic_change_mtu(struct net_device *netdev, int mtu)
+{
+	struct netxen_port *port = netdev_priv(netdev);
+	struct netxen_adapter *adapter = port->adapter;
+	int eff_mtu = mtu + NETXEN_ENET_HEADER_SIZE + NETXEN_ETH_FCS_SIZE;
+
+	if ((eff_mtu > NETXEN_MAX_MTU) || (eff_mtu < NETXEN_MIN_MTU)) {
+		printk(KERN_ERR "%s: %s %d is not supported.\n",
+		       netxen_nic_driver_name, netdev->name, mtu);
+		return -EINVAL;
+	}
+
+	if (adapter->ops->set_mtu)
+		adapter->ops->set_mtu(port, mtu);
+	netdev->mtu = mtu;
+
+	return 0;
+}
+
+/*
+ * check if the firmware has been downloaded and ready to run  and
+ * setup the address for the descriptors in the adapter
+ */
+int netxen_nic_hw_resources(struct netxen_adapter *adapter)
+{
+	struct netxen_hardware_context *hw = &adapter->ahw;
+	int i;
+	u32 state = 0;
+	void *addr;
+	int loops = 0, err = 0;
+	int ctx, ring;
+	u32 card_cmdring = 0;
+	struct netxen_rcv_desc_crb *rcv_desc_crb = NULL;
+	struct netxen_recv_context *recv_ctx;
+	struct netxen_rcv_desc_ctx *rcv_desc;
+	struct cmd_desc_type0 *pcmd;
+
+	DPRINTK(INFO, "pci_base: %lx\n", adapter->ahw.pci_base);
+	DPRINTK(INFO, "crb_base: %lx %lx", NETXEN_PCI_CRBSPACE,
+		adapter->ahw.pci_base + NETXEN_PCI_CRBSPACE);
+	DPRINTK(INFO, "cam base: %lx %lx", NETXEN_CRB_CAM,
+		adapter->ahw.pci_base + NETXEN_CRB_CAM);
+	DPRINTK(INFO, "cam RAM: %lx %lx", NETXEN_CAM_RAM_BASE,
+		adapter->ahw.pci_base + NETXEN_CAM_RAM_BASE);
+	DPRINTK(INFO, "NIC base:%lx %lx\n", NIC_CRB_BASE_PORT1,
+		adapter->ahw.pci_base + NIC_CRB_BASE_PORT1);
+
+	/* Window 1 call */
+	card_cmdring = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_CMDRING));
+
+	DPRINTK(INFO, "Command Peg sends 0x%x for cmdring base\n",
+		card_cmdring);
+
+	for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
+		DPRINTK(INFO, "Command Peg ready..waiting for rcv peg\n");
+		loops = 0;
+		state = 0;
+		/* Window 1 call */
+		state = readl(NETXEN_CRB_NORMALIZE(adapter,
+						   recv_crb_registers[ctx].
+						   crb_rcvpeg_state));
+		while (state != PHAN_PEG_RCV_INITIALIZED && loops < 20) {
+			udelay(100);
+			/* Window 1 call */
+			state = readl(NETXEN_CRB_NORMALIZE(adapter,
+							   recv_crb_registers
+							   [ctx].
+							   crb_rcvpeg_state));
+			loops++;
+		}
+		if (loops >= 20) {
+			printk(KERN_ERR "Rcv Peg initialization not complete:"
+			       "%x.\n", state);
+			err = -EIO;
+			return err;
+		}
+	}
+	DPRINTK(INFO, "Recieve Peg ready too. starting stuff\n");
+
+	addr = pci_alloc_consistent(adapter->ahw.pdev,
+				    sizeof(struct cmd_desc_type0) *
+				    adapter->max_tx_desc_count,
+				    &hw->cmd_desc_phys_addr);
+	if (addr == NULL) {
+		DPRINTK(ERR, "bad return from pci_alloc_consistent\n");
+		err = -ENOMEM;
+		return err;
+	}
+
+	/* we need to prelink all of the cmd descriptors */
+	pcmd = (struct cmd_desc_type0 *)addr;
+	for (i = 1; i < adapter->max_tx_desc_count; i++) {
+		pcmd->netxen_next =
+		    (card_cmdring + i * sizeof(struct cmd_desc_type0));
+		pcmd++;
+	}
+	/* fill in last link (point to first) */
+	pcmd->netxen_next = card_cmdring;
+
+	hw->cmd_desc_head = (struct cmd_desc_type0 *)addr;
+
+	for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
+		recv_ctx = &adapter->recv_ctx[ctx];
+
+		for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
+			rcv_desc = &recv_ctx->rcv_desc[ring];
+			addr = pci_alloc_consistent(adapter->ahw.pdev,
+						    RCV_DESC_RINGSIZE,
+						    &rcv_desc->phys_addr);
+			if (addr == NULL) {
+				DPRINTK(ERR, "bad return from "
+					"pci_alloc_consistent\n");
+				netxen_free_hw_resources(adapter);
+				err = -ENOMEM;
+				return err;
+			}
+			rcv_desc->desc_head = (struct rcv_desc *)addr;
+		}
+
+		addr = pci_alloc_consistent(adapter->ahw.pdev,
+					    STATUS_DESC_RINGSIZE,
+					    &recv_ctx->
+					    rcv_status_desc_phys_addr);
+		if (addr == NULL) {
+			DPRINTK(ERR, "bad return from"
+				" pci_alloc_consistent\n");
+			netxen_free_hw_resources(adapter);
+			err = -ENOMEM;
+			return err;
+		}
+		recv_ctx->rcv_status_desc_head = (struct status_desc *)addr;
+		for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
+			rcv_desc = &recv_ctx->rcv_desc[ring];
+			rcv_desc_crb =
+			    &recv_crb_registers[ctx].rcv_desc_crb[ring];
+			DPRINTK(INFO, "ring #%d crb global ring reg 0x%x\n",
+				ring, rcv_desc_crb->crb_globalrcv_ring);
+			/* Window = 1 */
+			writel(rcv_desc->phys_addr,
+			       NETXEN_CRB_NORMALIZE(adapter,
+						    rcv_desc_crb->
+						    crb_globalrcv_ring));
+			DPRINTK(INFO, "GLOBAL_RCV_RING ctx %d, addr 0x%x"
+				" val 0x%x,"
+				" virt %p\n", ctx,
+				rcv_desc_crb->crb_globalrcv_ring,
+				rcv_desc->phys_addr, rcv_desc->desc_head);
+		}
+
+		/* Window = 1 */
+		writel(recv_ctx->rcv_status_desc_phys_addr,
+		       NETXEN_CRB_NORMALIZE(adapter,
+					    recv_crb_registers[ctx].
+					    crb_rcvstatus_ring));
+		DPRINTK(INFO, "RCVSTATUS_RING, ctx %d, addr 0x%x,"
+			" val 0x%x,virt%p\n",
+			ctx,
+			recv_crb_registers[ctx].crb_rcvstatus_ring,
+			recv_ctx->rcv_status_desc_phys_addr,
+			recv_ctx->rcv_status_desc_head);
+	}
+	/* Window = 1 */
+	writel(hw->cmd_desc_phys_addr,
+	       NETXEN_CRB_NORMALIZE(adapter, CRB_HOST_CMD_ADDR_LO));
+
+	return err;
+}
+
+void netxen_free_hw_resources(struct netxen_adapter *adapter)
+{
+	struct netxen_recv_context *recv_ctx;
+	struct netxen_rcv_desc_ctx *rcv_desc;
+	int ctx, ring;
+
+	if (adapter->ahw.cmd_desc_head != NULL) {
+		pci_free_consistent(adapter->ahw.pdev,
+				    sizeof(struct cmd_desc_type0) *
+				    adapter->max_tx_desc_count,
+				    adapter->ahw.cmd_desc_head,
+				    adapter->ahw.cmd_desc_phys_addr);
+		adapter->ahw.cmd_desc_head = NULL;
+	}
+
+	for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
+		recv_ctx = &adapter->recv_ctx[ctx];
+		for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
+			rcv_desc = &recv_ctx->rcv_desc[ring];
+
+			if (rcv_desc->desc_head != NULL) {
+				pci_free_consistent(adapter->ahw.pdev,
+						    RCV_DESC_RINGSIZE,
+						    rcv_desc->desc_head,
+						    rcv_desc->phys_addr);
+				rcv_desc->desc_head = NULL;
+			}
+		}
+
+		if (recv_ctx->rcv_status_desc_head != NULL) {
+			pci_free_consistent(adapter->ahw.pdev,
+					    STATUS_DESC_RINGSIZE,
+					    recv_ctx->rcv_status_desc_head,
+					    recv_ctx->
+					    rcv_status_desc_phys_addr);
+			recv_ctx->rcv_status_desc_head = NULL;
+		}
+	}
+}
+
+void netxen_tso_check(struct netxen_adapter *adapter,
+		      struct cmd_desc_type0 *desc, struct sk_buff *skb)
+{
+	if (desc->mss) {
+		desc->total_hdr_length = sizeof(struct ethhdr) +
+		    ((skb->nh.iph)->ihl * sizeof(u32)) +
+		    ((skb->h.th)->doff * sizeof(u32));
+		desc->opcode = TX_TCP_LSO;
+	} else if (skb->ip_summed == CHECKSUM_HW) {
+		if (skb->nh.iph->protocol == IPPROTO_TCP) {
+			desc->opcode = TX_TCP_PKT;
+		} else if (skb->nh.iph->protocol == IPPROTO_UDP) {
+			desc->opcode = TX_UDP_PKT;
+		} else {
+			return;
+		}
+	}
+	CMD_DESC_TCP_HDR_OFFSET_WRT(desc, skb->h.raw - skb->data);
+	desc->length_tcp_hdr = cpu_to_le32(desc->length_tcp_hdr);
+	desc->ip_hdr_offset = skb->nh.raw - skb->data;
+	adapter->stats.xmitcsummed++;
+}
+
+int netxen_is_flash_supported(struct netxen_adapter *adapter)
+{
+	const int locs[] = { 0, 0x4, 0x100, 0x4000, 0x4128 };
+	int addr, val01, val02, i, j;
+
+	/* if the flash size less than 4Mb, make huge war cry and die */
+	for (j = 1; j < 4; j++) {
+		addr = j * 0x100000;
+		for (i = 0; i < (sizeof(locs) / sizeof(locs[0])); i++) {
+			if (netxen_rom_fast_read(adapter, locs[i], &val01) == 0
+			    && netxen_rom_fast_read(adapter, (addr + locs[i]),
+						    &val02) == 0) {
+				if (val01 == val02)
+					return -1;
+			} else
+				return -1;
+		}
+	}
+
+	return 0;
+}
+
+static int netxen_get_flash_block(struct netxen_adapter *adapter, int base,
+				  int size, u32 * buf)
+{
+	int i, addr;
+	u32 *ptr32;
+
+	addr = base;
+	ptr32 = buf;
+	for (i = 0; i < size / sizeof(u32); i++) {
+		if (netxen_rom_fast_read(adapter, addr, ptr32) == -1)
+			return -1;
+		ptr32++;
+		addr += sizeof(u32);
+	}
+	if ((char *)buf + size > (char *)ptr32) {
+		u32 local;
+
+		if (netxen_rom_fast_read(adapter, addr, &local) == -1)
+			return -1;
+		memcpy(ptr32, &local, (char *)buf + size - (char *)ptr32);
+	}
+
+	return 0;
+}
+
+int netxen_get_flash_mac_addr(struct netxen_adapter *adapter, u64 mac[])
+{
+	u32 *pmac = (u32 *) & mac[0];
+
+	if (netxen_get_flash_block(adapter,
+				   USER_START +
+				   offsetof(struct netxen_new_user_info,
+					    mac_addr),
+				   FLASH_NUM_PORTS * sizeof(u64), pmac) == -1) {
+		return -1;
+	}
+	if (*mac == ~0ULL) {
+		if (netxen_get_flash_block(adapter,
+					   USER_START_OLD +
+					   offsetof(struct netxen_user_old_info,
+						    mac_addr),
+					   FLASH_NUM_PORTS * sizeof(u64),
+					   pmac) == -1)
+			return -1;
+		if (*mac == ~0ULL)
+			return -1;
+	}
+	return 0;
+}
+
+/*
+ * Changes the CRB window to the specified window.
+ */
+void netxen_nic_pci_change_crbwindow(struct netxen_adapter *adapter, u32 wndw)
+{
+	void __iomem *offset;
+	u32 tmp;
+	int count = 0;
+
+	if (adapter->curr_window == wndw)
+		return;
+
+	/*
+	 * Move the CRB window.
+	 * We need to write to the "direct access" region of PCI
+	 * to avoid a race condition where the window register has
+	 * not been successfully written across CRB before the target
+	 * register address is received by PCI. The direct region bypasses
+	 * the CRB bus.
+	 */
+	offset = adapter->ahw.pci_base + NETXEN_PCIX_PH_REG(PCIX_CRB_WINDOW);
+
+	if (wndw & 0x1)
+		wndw = NETXEN_WINDOW_ONE;
+
+	writel(wndw, offset);
+
+	/* MUST make sure window is set before we forge on... */
+	while ((tmp = readl(offset)) != wndw) {
+		printk(KERN_WARNING "%s: %s WARNING: CRB window value not "
+		       "registered properly: 0x%08x.\n",
+		       netxen_nic_driver_name, __FUNCTION__, tmp);
+		mdelay(1);
+		if (count >= 10)
+			break;
+		count++;
+	}
+
+	adapter->curr_window = wndw;
+}
+
+void netxen_load_firmware(struct netxen_adapter *adapter)
+{
+	int i;
+	long data, size = 0;
+	long flashaddr = NETXEN_FLASH_BASE, memaddr = NETXEN_PHANTOM_MEM_BASE;
+	u64 off;
+	void __iomem *addr;
+
+	size = NETXEN_FIRMWARE_LEN;
+	writel(1, NETXEN_CRB_NORMALIZE(adapter, NETXEN_ROMUSB_GLB_CAS_RST));
+
+	for (i = 0; i < size; i++) {
+		if (netxen_rom_fast_read(adapter, flashaddr, (int *)&data) != 0) {
+			DPRINTK(ERR,
+				"Error in netxen_rom_fast_read(). Will skip"
+				"loading flash image\n");
+			return;
+		}
+		off = netxen_nic_pci_set_window(adapter->ahw.pci_base, memaddr);
+		addr = (adapter->ahw.pci_base + off);
+		writel(data, addr);
+		flashaddr += 4;
+		memaddr += 4;
+	}
+	udelay(100);
+	/* make sure Casper is powered on */
+	writel(0x3fff,
+	       NETXEN_CRB_NORMALIZE(adapter, NETXEN_ROMUSB_GLB_CHIP_CLK_CTRL));
+	writel(0, NETXEN_CRB_NORMALIZE(adapter, NETXEN_ROMUSB_GLB_CAS_RST));
+
+	udelay(100);
+}
+
+int
+netxen_nic_hw_write_wx(struct netxen_adapter *adapter, u64 off, void *data,
+		       int len)
+{
+	void __iomem *addr;
+
+	if (ADDR_IN_WINDOW1(off)) {
+		addr = NETXEN_CRB_NORMALIZE(adapter, off);
+	} else {		/* Window 0 */
+		addr = adapter->ahw.pci_base + off;
+		netxen_nic_pci_change_crbwindow(adapter, 0);
+	}
+
+	DPRINTK(INFO, "writing to base %lx offset %llx addr %p"
+		" data %llx len %d\n",
+		adapter->ahw.pci_base, off, addr,
+		*(unsigned long long *)data, len);
+	switch (len) {
+	case 1:
+		writeb(*(u8 *) data, addr);
+		break;
+	case 2:
+		writew(*(u16 *) data, addr);
+		break;
+	case 4:
+		writel(*(u32 *) data, addr);
+		break;
+	case 8:
+		writeq(*(u64 *) data, addr);
+		break;
+	default:
+		DPRINTK(INFO,
+			"writing data %lx to offset %llx, num words=%d\n",
+			*(unsigned long *)data, off, (len >> 3));
+
+		netxen_nic_hw_block_write64((u64 __iomem *) data, addr,
+					    (len >> 3));
+		break;
+	}
+	if (!ADDR_IN_WINDOW1(off))
+		netxen_nic_pci_change_crbwindow(adapter, 1);
+
+	return 0;
+}
+
+int
+netxen_nic_hw_read_wx(struct netxen_adapter *adapter, u64 off, void *data,
+		      int len)
+{
+	void __iomem *addr;
+
+	if (ADDR_IN_WINDOW1(off)) {	/* Window 1 */
+		addr = NETXEN_CRB_NORMALIZE(adapter, off);
+	} else {		/* Window 0 */
+		addr = adapter->ahw.pci_base + off;
+		netxen_nic_pci_change_crbwindow(adapter, 0);
+	}
+
+	DPRINTK(INFO, "reading from base %lx offset %llx addr %p\n",
+		adapter->ahw.pci_base, off, addr);
+	switch (len) {
+	case 1:
+		*(u8 *) data = readb(addr);
+		break;
+	case 2:
+		*(u16 *) data = readw(addr);
+		break;
+	case 4:
+		*(u32 *) data = readl(addr);
+		break;
+	case 8:
+		*(u64 *) data = readq(addr);
+		break;
+	default:
+		netxen_nic_hw_block_read64((u64 __iomem *) data, addr,
+					   (len >> 3));
+		break;
+	}
+	DPRINTK(INFO, "read %lx\n", *(unsigned long *)data);
+
+	if (!ADDR_IN_WINDOW1(off))
+		netxen_nic_pci_change_crbwindow(adapter, 1);
+
+	return 0;
+}
+
+void netxen_nic_reg_write(struct netxen_adapter *adapter, u64 off, u32 val)
+{				/* Only for window 1 */
+	void __iomem *addr;
+
+	addr = NETXEN_CRB_NORMALIZE(adapter, off);
+	DPRINTK(INFO, "writing to base %lx offset %llx addr %p data %x\n",
+		adapter->ahw.pci_base, off, addr, val);
+	writel(val, addr);
+
+}
+
+int netxen_nic_reg_read(struct netxen_adapter *adapter, u64 off)
+{				/* Only for window 1 */
+	void __iomem *addr;
+	int val;
+
+	addr = NETXEN_CRB_NORMALIZE(adapter, off);
+	DPRINTK(INFO, "reading from base %lx offset %llx addr %p\n",
+		adapter->ahw.pci_base, off, addr);
+	val = readl(addr);
+	writel(val, addr);
+
+	return val;
+}
+
+/* Change the window to 0, write and change back to window 1. */
+void netxen_nic_write_w0(struct netxen_adapter *adapter, u32 index, u32 value)
+{
+	void __iomem *addr;
+
+	netxen_nic_pci_change_crbwindow(adapter, 0);
+	addr = (void __iomem *)(adapter->ahw.pci_base + index);
+	writel(value, addr);
+	netxen_nic_pci_change_crbwindow(adapter, 1);
+}
+
+/* Change the window to 0, read and change back to window 1. */
+void netxen_nic_read_w0(struct netxen_adapter *adapter, u32 index, u32 * value)
+{
+	void __iomem *addr;
+
+	addr = (void __iomem *)(adapter->ahw.pci_base + index);
+
+	netxen_nic_pci_change_crbwindow(adapter, 0);
+	*value = readl(addr);
+	netxen_nic_pci_change_crbwindow(adapter, 1);
+}
+
+int netxen_pci_set_window_warning_count = 0;
+
+unsigned long
+netxen_nic_pci_set_window(void __iomem * pci_base, unsigned long long addr)
+{
+	static int ddr_mn_window = -1;
+	static int qdr_sn_window = -1;
+	int window;
+
+	if (ADDR_IN_RANGE(addr, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) {
+		/* DDR network side */
+		addr -= NETXEN_ADDR_DDR_NET;
+		window = (addr >> 25) & 0x3ff;
+		if (ddr_mn_window != window) {
+			ddr_mn_window = window;
+			writel(window, pci_base +
+			       NETXEN_PCIX_PH_REG(PCIX_MN_WINDOW));
+			/* MUST make sure window is set before we forge on... */
+			readl(pci_base + NETXEN_PCIX_PH_REG(PCIX_MN_WINDOW));
+		}
+		addr -= (window * 0x2000000);
+		addr += NETXEN_PCI_DDR_NET;
+	} else if (ADDR_IN_RANGE(addr, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX)) {
+		addr -= NETXEN_ADDR_OCM0;
+		addr += NETXEN_PCI_OCM0;
+	} else if (ADDR_IN_RANGE(addr, NETXEN_ADDR_OCM1, NETXEN_ADDR_OCM1_MAX)) {
+		addr -= NETXEN_ADDR_OCM1;
+		addr += NETXEN_PCI_OCM1;
+	} else
+	    if (ADDR_IN_RANGE
+		(addr, NETXEN_ADDR_QDR_NET, NETXEN_ADDR_QDR_NET_MAX)) {
+		/* QDR network side */
+		addr -= NETXEN_ADDR_QDR_NET;
+		window = (addr >> 22) & 0x3f;
+		if (qdr_sn_window != window) {
+			qdr_sn_window = window;
+			writel((window << 22), pci_base +
+			       NETXEN_PCIX_PH_REG(PCIX_SN_WINDOW));
+			/* MUST make sure window is set before we forge on... */
+			readl(pci_base + NETXEN_PCIX_PH_REG(PCIX_SN_WINDOW));
+		}
+		addr -= (window * 0x400000);
+		addr += NETXEN_PCI_QDR_NET;
+	} else {
+		/*
+		 * peg gdb frequently accesses memory that doesn't exist,
+		 * this limits the chit chat so debugging isn't slowed down.
+		 */
+		if ((netxen_pci_set_window_warning_count++ < 8)
+		    || (netxen_pci_set_window_warning_count % 64 == 0))
+			printk("%s: Warning:netxen_nic_pci_set_window()"
+			       " Unknown address range!\n",
+			       netxen_nic_driver_name);
+
+	}
+	return addr;
+}
+
+int netxen_nic_get_board_info(struct netxen_adapter *adapter)
+{
+	int rv = 0;
+	int addr = BRDCFG_START;
+	struct netxen_board_info *boardinfo;
+	int index;
+	u32 *ptr32;
+
+	boardinfo = &adapter->ahw.boardcfg;
+	ptr32 = (u32 *) boardinfo;
+
+	for (index = 0; index < sizeof(struct netxen_board_info) / sizeof(u32);
+	     index++) {
+		if (netxen_rom_fast_read(adapter, addr, ptr32) == -1) {
+			return -EIO;
+		}
+		ptr32++;
+		addr += sizeof(u32);
+	}
+	if (boardinfo->magic != NETXEN_BDINFO_MAGIC) {
+		printk("%s: ERROR reading %s board config."
+		       " Read %x, expected %x\n", netxen_nic_driver_name,
+		       netxen_nic_driver_name,
+		       boardinfo->magic, NETXEN_BDINFO_MAGIC);
+		rv = -1;
+	}
+	if (boardinfo->header_version != NETXEN_BDINFO_VERSION) {
+		printk("%s: Unknown board config version."
+		       " Read %x, expected %x\n", netxen_nic_driver_name,
+		       boardinfo->header_version, NETXEN_BDINFO_VERSION);
+		rv = -1;
+	}
+
+	DPRINTK(INFO, "Discovered board type:0x%x  ", boardinfo->board_type);
+	switch ((netxen_brdtype_t) boardinfo->board_type) {
+	case NETXEN_BRDTYPE_P2_SB35_4G:
+		adapter->ahw.board_type = NETXEN_NIC_GBE;
+		break;
+	case NETXEN_BRDTYPE_P2_SB31_10G:
+	case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
+	case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ:
+	case NETXEN_BRDTYPE_P2_SB31_10G_CX4:
+		adapter->ahw.board_type = NETXEN_NIC_XGBE;
+		break;
+	case NETXEN_BRDTYPE_P1_BD:
+	case NETXEN_BRDTYPE_P1_SB:
+	case NETXEN_BRDTYPE_P1_SMAX:
+	case NETXEN_BRDTYPE_P1_SOCK:
+		adapter->ahw.board_type = NETXEN_NIC_GBE;
+		break;
+	default:
+		printk("%s: Unknown(%x)\n", netxen_nic_driver_name,
+		       boardinfo->board_type);
+		break;
+	}
+
+	return rv;
+}
+
+/* NIU access sections */
+
+int netxen_nic_set_mtu_gb(struct netxen_port *port, int new_mtu)
+{
+	struct netxen_adapter *adapter = port->adapter;
+	netxen_nic_write_w0(adapter,
+			    NETXEN_NIU_GB_MAX_FRAME_SIZE(port->portnum),
+			    new_mtu);
+	return 0;
+}
+
+int netxen_nic_set_mtu_xgb(struct netxen_port *port, int new_mtu)
+{
+	struct netxen_adapter *adapter = port->adapter;
+	new_mtu += NETXEN_NIU_HDRSIZE + NETXEN_NIU_TLRSIZE;
+	netxen_nic_write_w0(adapter, NETXEN_NIU_XGE_MAX_FRAME_SIZE, new_mtu);
+	return 0;
+}
+
+void netxen_nic_init_niu_gb(struct netxen_adapter *adapter)
+{
+	int portno;
+	for (portno = 0; portno < NETXEN_NIU_MAX_GBE_PORTS; portno++)
+		netxen_niu_gbe_init_port(adapter, portno);
+}
+
+void netxen_nic_stop_all_ports(struct netxen_adapter *adapter)
+{
+	int port_nr;
+	struct netxen_port *port;
+
+	for (port_nr = 0; port_nr < adapter->ahw.max_ports; port_nr++) {
+		port = adapter->port[port_nr];
+		if (adapter->ops->stop_port)
+			adapter->ops->stop_port(adapter, port->portnum);
+	}
+}
+
+void
+netxen_crb_writelit_adapter(struct netxen_adapter *adapter, unsigned long off,
+			    int data)
+{
+	void __iomem *addr;
+
+	if (ADDR_IN_WINDOW1(off)) {
+		writel(data, NETXEN_CRB_NORMALIZE(adapter, off));
+	} else {
+		netxen_nic_pci_change_crbwindow(adapter, 0);
+		addr = (void __iomem *)(adapter->ahw.pci_base + off);
+		writel(data, addr);
+		netxen_nic_pci_change_crbwindow(adapter, 1);
+	}
+}
+
+void netxen_nic_set_link_parameters(struct netxen_port *port)
+{
+	struct netxen_adapter *adapter = port->adapter;
+	__le32 status;
+	u16 autoneg;
+	__le32 mode;
+
+	netxen_nic_read_w0(adapter, NETXEN_NIU_MODE, &mode);
+	if (netxen_get_niu_enable_ge(mode)) {	/* Gb 10/100/1000 Mbps mode */
+		if (adapter->ops->phy_read
+		    && adapter->ops->
+		    phy_read(adapter, port->portnum,
+			     NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
+			     &status) == 0) {
+			if (netxen_get_phy_link(status)) {
+				switch (netxen_get_phy_speed(status)) {
+				case 0:
+					port->link_speed = SPEED_10;
+					break;
+				case 1:
+					port->link_speed = SPEED_100;
+					break;
+				case 2:
+					port->link_speed = SPEED_1000;
+					break;
+				default:
+					port->link_speed = -1;
+					break;
+				}
+				switch (netxen_get_phy_duplex(status)) {
+				case 0:
+					port->link_duplex = DUPLEX_HALF;
+					break;
+				case 1:
+					port->link_duplex = DUPLEX_FULL;
+					break;
+				default:
+					port->link_duplex = -1;
+					break;
+				}
+				if (adapter->ops->phy_read
+				    && adapter->ops->
+				    phy_read(adapter, port->portnum,
+					     NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG,
+					     (__le32 *) & autoneg) != 0)
+					port->link_autoneg = autoneg;
+			} else
+				goto link_down;
+		} else {
+		      link_down:
+			port->link_speed = -1;
+			port->link_duplex = -1;
+		}
+	}
+}
+
+void netxen_nic_flash_print(struct netxen_adapter *adapter)
+{
+	int valid = 1;
+	u32 fw_major = 0;
+	u32 fw_minor = 0;
+	u32 fw_build = 0;
+
+	struct netxen_board_info *board_info = &(adapter->ahw.boardcfg);
+	if (board_info->magic != NETXEN_BDINFO_MAGIC) {
+		printk
+		    ("NetXen Unknown board config, Read 0x%x expected as 0x%x\n",
+		     board_info->magic, NETXEN_BDINFO_MAGIC);
+		valid = 0;
+	}
+	if (board_info->header_version != NETXEN_BDINFO_VERSION) {
+		printk("NetXen Unknown board config version."
+		       " Read %x, expected %x\n",
+		       board_info->header_version, NETXEN_BDINFO_VERSION);
+		valid = 0;
+	}
+	if (valid) {
+		printk("NetXen %s Board #%d, Chip id 0x%x\n",
+		       board_info->board_type == 0x0b ? "XGB" : "GBE",
+		       board_info->board_num, board_info->chip_id);
+		fw_major = readl(NETXEN_CRB_NORMALIZE(adapter,
+						      NETXEN_FW_VERSION_MAJOR));
+		fw_minor = readl(NETXEN_CRB_NORMALIZE(adapter,
+						      NETXEN_FW_VERSION_MINOR));
+		fw_build =
+		    readl(NETXEN_CRB_NORMALIZE(adapter, NETXEN_FW_VERSION_SUB));
+
+		printk("NetXen Firmware version %d.%d.%d\n", fw_major, fw_minor,
+		       fw_build);
+	}
+	if (fw_major != _NETXEN_NIC_LINUX_MAJOR) {
+		printk(KERN_ERR "The mismatch in driver version and firmware "
+		       "version major number\n"
+		       "Driver version major number = %d \t"
+		       "Firmware version major number = %d \n",
+		       _NETXEN_NIC_LINUX_MAJOR, fw_major);
+		adapter->driver_mismatch = 1;
+	}
+	if (fw_minor != _NETXEN_NIC_LINUX_MINOR) {
+		printk(KERN_ERR "The mismatch in driver version and firmware "
+		       "version minor number\n"
+		       "Driver version minor number = %d \t"
+		       "Firmware version minor number = %d \n",
+		       _NETXEN_NIC_LINUX_MINOR, fw_minor);
+		adapter->driver_mismatch = 1;
+	}
+	if (adapter->driver_mismatch)
+		printk(KERN_INFO "Use the driver with version no %d.%d.xxx\n",
+		       fw_major, fw_minor);
+}
+
+int netxen_crb_read_val(struct netxen_adapter *adapter, unsigned long off)
+{
+	int data;
+	netxen_nic_hw_read_wx(adapter, off, &data, 4);
+	return data;
+}

drivers/net/netxen/netxen_nic_hw.h

+/*
+ * Copyright (C) 2003 - 2006 NetXen, Inc.
+ * 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 LICENSE.
+ * 
+ * Contact Information:
+ *    info@netxen.com
+ * NetXen,
+ * 3965 Freedom Circle, Fourth floor,
+ * Santa Clara, CA 95054
+ *
+ *
+ * Structures, enums, and macros for the MAC
+ *
+ */
+
+#ifndef __NETXEN_NIC_HW_H_
+#define __NETXEN_NIC_HW_H_
+
+#include "netxen_nic_hdr.h"
+
+/* Hardware memory size of 128 meg */
+#define NETXEN_MEMADDR_MAX (128 * 1024 * 1024)
+
+#ifndef readq
+static inline u64 readq(void __iomem * addr)
+{
+	return readl(addr) | (((u64) readl(addr + 4)) << 32LL);
+}
+#endif
+
+#ifndef writeq
+static inline void writeq(u64 val, void __iomem * addr)
+{
+	writel(((u32) (val)), (addr));
+	writel(((u32) (val >> 32)), (addr + 4));
+}
+#endif
+
+static inline void netxen_nic_hw_block_write64(u64 __iomem * data_ptr,
+					       u64 __iomem * addr,
+					       int num_words)
+{
+	int num;
+	for (num = 0; num < num_words; num++) {
+		writeq(readq((void __iomem *)data_ptr), addr);
+		addr++;
+		data_ptr++;
+	}
+}
+
+static inline void netxen_nic_hw_block_read64(u64 __iomem * data_ptr,
+					      u64 __iomem * addr, int num_words)
+{
+	int num;
+	for (num = 0; num < num_words; num++) {
+		writeq(readq((void __iomem *)addr), data_ptr);
+		addr++;
+		data_ptr++;
+	}
+
+}
+
+struct netxen_adapter;
+
+#define NETXEN_PCI_MAPSIZE_BYTES  (NETXEN_PCI_MAPSIZE << 20)
+
+#define NETXEN_NIC_LOCKED_READ_REG(X, Y)   			\
+	addr = (adapter->ahw.pci_base + X);     \
+	*(u32 *)Y = readl((void __iomem*) addr);
+
+struct netxen_port;
+void netxen_nic_set_link_parameters(struct netxen_port *port);
+void netxen_nic_flash_print(struct netxen_adapter *adapter);
+int netxen_nic_hw_write_wx(struct netxen_adapter *adapter, u64 off,
+			   void *data, int len);
+void netxen_crb_writelit_adapter(struct netxen_adapter *adapter,
+				 unsigned long off, int data);
+int netxen_nic_hw_read_wx(struct netxen_adapter *adapter, u64 off,
+			  void *data, int len);
+
+typedef u8 netxen_ethernet_macaddr_t[6];
+
+/* Nibble or Byte mode for phy interface (GbE mode only) */
+typedef enum {
+	NETXEN_NIU_10_100_MB = 0,
+	NETXEN_NIU_1000_MB
+} netxen_niu_gbe_ifmode_t;
+
+#define _netxen_crb_get_bit(var, bit)  ((var >> bit) & 0x1)
+
+/*
+ * NIU GB MAC Config Register 0 (applies to GB0, GB1, GB2, GB3)
+ *
+ *	Bit 0 : enable_tx => 1:enable frame xmit, 0:disable
+ *	Bit 1 : tx_synced => R/O: xmit enable synched to xmit stream
+ *	Bit 2 : enable_rx => 1:enable frame recv, 0:disable
+ *	Bit 3 : rx_synced => R/O: recv enable synched to recv stream
+ *	Bit 4 : tx_flowctl => 1:enable pause frame generation, 0:disable
+ *	Bit 5 : rx_flowctl => 1:act on recv'd pause frames, 0:ignore
+ *	Bit 8 : loopback => 1:loop MAC xmits to MAC recvs, 0:normal
+ *	Bit 16: tx_reset_pb => 1:reset frame xmit protocol blk, 0:no-op
+ *	Bit 17: rx_reset_pb => 1:reset frame recv protocol blk, 0:no-op
+ *	Bit 18: tx_reset_mac => 1:reset data/ctl multiplexer blk, 0:no-op
+ *	Bit 19: rx_reset_mac => 1:reset ctl frames & timers blk, 0:no-op
+ *	Bit 31: soft_reset => 1:reset the MAC and the SERDES, 0:no-op
+ */
+
+#define netxen_gb_enable_tx(config_word)	\
+	set_bit(0, (unsigned long*)(&config_word))
+#define netxen_gb_enable_rx(config_word)	\
+	set_bit(2, (unsigned long*)(&config_word))
+#define netxen_gb_tx_flowctl(config_word)	\
+	set_bit(4, (unsigned long*)(&config_word))
+#define netxen_gb_rx_flowctl(config_word)	\
+	set_bit(5, (unsigned long*)(&config_word))
+#define netxen_gb_tx_reset_pb(config_word)	\
+		set_bit(16, (unsigned long*)(&config_word))
+#define netxen_gb_rx_reset_pb(config_word)	\
+		set_bit(17, (unsigned long*)(&config_word))
+#define netxen_gb_tx_reset_mac(config_word)	\
+		set_bit(18, (unsigned long*)(&config_word))
+#define netxen_gb_rx_reset_mac(config_word)	\
+		set_bit(19, (unsigned long*)(&config_word))
+#define netxen_gb_soft_reset(config_word)	\
+		set_bit(31, (unsigned long*)(&config_word))
+
+#define netxen_gb_unset_tx_flowctl(config_word)	\
+		clear_bit(4, (unsigned long *)(&config_word))
+#define netxen_gb_unset_rx_flowctl(config_word)	\
+		clear_bit(5, (unsigned long*)(&config_word))
+
+#define netxen_gb_get_tx_synced(config_word)	\
+		_netxen_crb_get_bit((config_word), 1)
+#define netxen_gb_get_rx_synced(config_word)	\
+		_netxen_crb_get_bit((config_word), 3)
+#define netxen_gb_get_tx_flowctl(config_word)	\
+		_netxen_crb_get_bit((config_word), 4)
+#define netxen_gb_get_rx_flowctl(config_word)	\
+		_netxen_crb_get_bit((config_word), 5)
+#define netxen_gb_get_soft_reset(config_word)	\
+		_netxen_crb_get_bit((config_word), 31)
+
+/*
+ * NIU GB MAC Config Register 1 (applies to GB0, GB1, GB2, GB3)
+ *
+ *	Bit 0	    : duplex => 1:full duplex mode, 0:half duplex
+ *	Bit 1	    : crc_enable => 1:append CRC to xmit frames, 0:dont append
+ *	Bit 2	    : padshort => 1:pad short frames and add CRC, 0:dont pad
+ *	Bit 4	    : checklength => 1:check framelen with actual,0:dont check
+ *	Bit 5	    : hugeframes => 1:allow oversize xmit frames, 0:dont allow
+ *	Bits 8-9    : intfmode => 01:nibble (10/100), 10:byte (1000)
+ *	Bits 12-15  : preamblelen => preamble field length in bytes, default 7
+ */
+
+#define netxen_gb_set_duplex(config_word)	\
+		set_bit(0, (unsigned long*)&config_word)
+#define netxen_gb_set_crc_enable(config_word)	\
+		set_bit(1, (unsigned long*)&config_word)
+#define netxen_gb_set_padshort(config_word)	\
+		set_bit(2, (unsigned long*)&config_word)
+#define netxen_gb_set_checklength(config_word)	\
+		set_bit(4, (unsigned long*)&config_word)
+#define netxen_gb_set_hugeframes(config_word)	\
+		set_bit(5, (unsigned long*)&config_word)
+#define netxen_gb_set_preamblelen(config_word, val)	\
+		((config_word) |= ((val) << 12) & 0xF000)
+#define netxen_gb_set_intfmode(config_word, val)		\
+		((config_word) |= ((val) << 8) & 0x300)
+
+#define netxen_gb_get_stationaddress_low(config_word) ((config_word) >> 16)
+
+#define netxen_gb_set_mii_mgmt_clockselect(config_word, val)	\
+		((config_word) |= ((val) & 0x07))
+#define netxen_gb_mii_mgmt_reset(config_word)	\
+		set_bit(31, (unsigned long*)&config_word)
+#define netxen_gb_mii_mgmt_unset(config_word)	\
+		clear_bit(31, (unsigned long*)&config_word)
+
+/*
+ * NIU GB MII Mgmt Command Register (applies to GB0, GB1, GB2, GB3)
+ * Bit 0 : read_cycle => 1:perform single read cycle, 0:no-op
+ * Bit 1 : scan_cycle => 1:perform continuous read cycles, 0:no-op
+ */
+
+#define netxen_gb_mii_mgmt_set_read_cycle(config_word)	\
+		set_bit(0, (unsigned long*)&config_word)
+#define netxen_gb_mii_mgmt_reg_addr(config_word, val)	\
+		((config_word) |= ((val) & 0x1F))
+#define netxen_gb_mii_mgmt_phy_addr(config_word, val)	\
+		((config_word) |= (((val) & 0x1F) << 8))
+
+/*
+ * NIU GB MII Mgmt Indicators Register (applies to GB0, GB1, GB2, GB3)
+ * Read-only register.
+ * Bit 0 : busy => 1:performing an MII mgmt cycle, 0:idle
+ * Bit 1 : scanning => 1:scan operation in progress, 0:idle
+ * Bit 2 : notvalid => :mgmt result data not yet valid, 0:idle
+ */
+#define netxen_get_gb_mii_mgmt_busy(config_word)	\
+		_netxen_crb_get_bit(config_word, 0)
+#define netxen_get_gb_mii_mgmt_scanning(config_word)	\
+		_netxen_crb_get_bit(config_word, 1)
+#define netxen_get_gb_mii_mgmt_notvalid(config_word)	\
+		_netxen_crb_get_bit(config_word, 2)
+
+/*
+ * PHY-Specific MII control/status registers.
+ */
+typedef enum {
+	NETXEN_NIU_GB_MII_MGMT_ADDR_CONTROL = 0,
+	NETXEN_NIU_GB_MII_MGMT_ADDR_STATUS = 1,
+	NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_ID_0 = 2,
+	NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_ID_1 = 3,
+	NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG = 4,
+	NETXEN_NIU_GB_MII_MGMT_ADDR_LNKPART = 5,
+	NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG_MORE = 6,
+	NETXEN_NIU_GB_MII_MGMT_ADDR_NEXTPAGE_XMIT = 7,
+	NETXEN_NIU_GB_MII_MGMT_ADDR_LNKPART_NEXTPAGE = 8,
+	NETXEN_NIU_GB_MII_MGMT_ADDR_1000BT_CONTROL = 9,
+	NETXEN_NIU_GB_MII_MGMT_ADDR_1000BT_STATUS = 10,
+	NETXEN_NIU_GB_MII_MGMT_ADDR_EXTENDED_STATUS = 15,
+	NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_CONTROL = 16,
+	NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS = 17,
+	NETXEN_NIU_GB_MII_MGMT_ADDR_INT_ENABLE = 18,
+	NETXEN_NIU_GB_MII_MGMT_ADDR_INT_STATUS = 19,
+	NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_CONTROL_MORE = 20,
+	NETXEN_NIU_GB_MII_MGMT_ADDR_RECV_ERROR_COUNT = 21,
+	NETXEN_NIU_GB_MII_MGMT_ADDR_LED_CONTROL = 24,
+	NETXEN_NIU_GB_MII_MGMT_ADDR_LED_OVERRIDE = 25,
+	NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_CONTROL_MORE_YET = 26,
+	NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS_MORE = 27
+} netxen_niu_phy_register_t;
+
+/*
+ * PHY-Specific Status Register (reg 17).
+ *
+ * Bit 0      : jabber => 1:jabber detected, 0:not
+ * Bit 1      : polarity => 1:polarity reversed, 0:normal
+ * Bit 2      : recvpause => 1:receive pause enabled, 0:disabled
+ * Bit 3      : xmitpause => 1:transmit pause enabled, 0:disabled
+ * Bit 4      : energydetect => 1:sleep, 0:active
+ * Bit 5      : downshift => 1:downshift, 0:no downshift
+ * Bit 6      : crossover => 1:MDIX (crossover), 0:MDI (no crossover)
+ * Bits 7-9   : cablelen => not valid in 10Mb/s mode
+ *			0:<50m, 1:50-80m, 2:80-110m, 3:110-140m, 4:>140m
+ * Bit 10     : link => 1:link up, 0:link down
+ * Bit 11     : resolved => 1:speed and duplex resolved, 0:not yet
+ * Bit 12     : pagercvd => 1:page received, 0:page not received
+ * Bit 13     : duplex => 1:full duplex, 0:half duplex
+ * Bits 14-15 : speed => 0:10Mb/s, 1:100Mb/s, 2:1000Mb/s, 3:rsvd
+ */
+
+#define netxen_get_phy_cablelen(config_word) (((config_word) >> 7) & 0x07)
+#define netxen_get_phy_speed(config_word) (((config_word) >> 14) & 0x03)
+
+#define netxen_set_phy_speed(config_word, val)	\
+		((config_word) |= ((val & 0x03) << 14))
+#define netxen_set_phy_duplex(config_word)	\
+		set_bit(13, (unsigned long*)&config_word)
+#define netxen_clear_phy_duplex(config_word)	\
+		clear_bit(13, (unsigned long*)&config_word)
+
+#define netxen_get_phy_jabber(config_word)	\
+		_netxen_crb_get_bit(config_word, 0)
+#define netxen_get_phy_polarity(config_word)	\
+		_netxen_crb_get_bit(config_word, 1)
+#define netxen_get_phy_recvpause(config_word)	\
+		_netxen_crb_get_bit(config_word, 2)
+#define netxen_get_phy_xmitpause(config_word)	\
+		_netxen_crb_get_bit(config_word, 3)
+#define netxen_get_phy_energydetect(config_word) \
+		_netxen_crb_get_bit(config_word, 4)
+#define netxen_get_phy_downshift(config_word)	\
+		_netxen_crb_get_bit(config_word, 5)
+#define netxen_get_phy_crossover(config_word)	\
+		_netxen_crb_get_bit(config_word, 6)
+#define netxen_get_phy_link(config_word)	\
+		_netxen_crb_get_bit(config_word, 10)
+#define netxen_get_phy_resolved(config_word)	\
+		_netxen_crb_get_bit(config_word, 11)
+#define netxen_get_phy_pagercvd(config_word)	\
+		_netxen_crb_get_bit(config_word, 12)
+#define netxen_get_phy_duplex(config_word)	\
+		_netxen_crb_get_bit(config_word, 13)
+
+/*
+ * Interrupt Register definition
+ * This definition applies to registers 18 and 19 (int enable and int status).
+ * Bit 0 : jabber
+ * Bit 1 : polarity_changed
+ * Bit 4 : energy_detect
+ * Bit 5 : downshift
+ * Bit 6 : mdi_xover_changed
+ * Bit 7 : fifo_over_underflow
+ * Bit 8 : false_carrier
+ * Bit 9 : symbol_error
+ * Bit 10: link_status_changed
+ * Bit 11: autoneg_completed
+ * Bit 12: page_received
+ * Bit 13: duplex_changed
+ * Bit 14: speed_changed
+ * Bit 15: autoneg_error
+ */
+
+#define netxen_get_phy_int_jabber(config_word)	\
+		_netxen_crb_get_bit(config_word, 0)
+#define netxen_get_phy_int_polarity_changed(config_word)	\
+		_netxen_crb_get_bit(config_word, 1)
+#define netxen_get_phy_int_energy_detect(config_word)	\
+		_netxen_crb_get_bit(config_word, 4)
+#define netxen_get_phy_int_downshift(config_word)	\
+		_netxen_crb_get_bit(config_word, 5)
+#define netxen_get_phy_int_mdi_xover_changed(config_word)	\
+		_netxen_crb_get_bit(config_word, 6)
+#define netxen_get_phy_int_fifo_over_underflow(config_word)	\
+		_netxen_crb_get_bit(config_word, 7)
+#define netxen_get_phy_int_false_carrier(config_word)	\
+		_netxen_crb_get_bit(config_word, 8)
+#define netxen_get_phy_int_symbol_error(config_word)	\
+		_netxen_crb_get_bit(config_word, 9)
+#define netxen_get_phy_int_link_status_changed(config_word)	\
+		_netxen_crb_get_bit(config_word, 10)
+#define netxen_get_phy_int_autoneg_completed(config_word)	\
+		_netxen_crb_get_bit(config_word, 11)
+#define netxen_get_phy_int_page_received(config_word)	\
+		_netxen_crb_get_bit(config_word, 12)
+#define netxen_get_phy_int_duplex_changed(config_word)	\
+		_netxen_crb_get_bit(config_word, 13)
+#define netxen_get_phy_int_speed_changed(config_word)	\
+		_netxen_crb_get_bit(config_word, 14)
+#define netxen_get_phy_int_autoneg_error(config_word)	\
+		_netxen_crb_get_bit(config_word, 15)
+
+#define netxen_set_phy_int_link_status_changed(config_word)	\
+		set_bit(10, (unsigned long*)&config_word)
+#define netxen_set_phy_int_autoneg_completed(config_word)	\
+		set_bit(11, (unsigned long*)&config_word)
+#define netxen_set_phy_int_speed_changed(config_word)	\
+		set_bit(14, (unsigned long*)&config_word)
+
+/*
+ * NIU Mode Register.
+ * Bit 0 : enable FibreChannel
+ * Bit 1 : enable 10/100/1000 Ethernet
+ * Bit 2 : enable 10Gb Ethernet
+ */
+
+#define netxen_get_niu_enable_ge(config_word)	\
+		_netxen_crb_get_bit(config_word, 1)
+
+/* Promiscous mode options (GbE mode only) */
+typedef enum {
+	NETXEN_NIU_PROMISC_MODE = 0,
+	NETXEN_NIU_NON_PROMISC_MODE
+} netxen_niu_prom_mode_t;
+
+/*
+ * NIU GB Drop CRC Register
+ * 
+ * Bit 0 : drop_gb0 => 1:drop pkts with bad CRCs, 0:pass them on
+ * Bit 1 : drop_gb1 => 1:drop pkts with bad CRCs, 0:pass them on
+ * Bit 2 : drop_gb2 => 1:drop pkts with bad CRCs, 0:pass them on
+ * Bit 3 : drop_gb3 => 1:drop pkts with bad CRCs, 0:pass them on
+ */
+
+#define netxen_set_gb_drop_gb0(config_word)	\
+		set_bit(0, (unsigned long*)&config_word)
+#define netxen_set_gb_drop_gb1(config_word)	\
+		set_bit(1, (unsigned long*)&config_word)
+#define netxen_set_gb_drop_gb2(config_word)	\
+		set_bit(2, (unsigned long*)&config_word)
+#define netxen_set_gb_drop_gb3(config_word)	\
+		set_bit(3, (unsigned long*)&config_word)
+
+#define netxen_clear_gb_drop_gb0(config_word)	\
+		clear_bit(0, (unsigned long*)&config_word)
+#define netxen_clear_gb_drop_gb1(config_word)	\
+		clear_bit(1, (unsigned long*)&config_word)
+#define netxen_clear_gb_drop_gb2(config_word)	\
+		clear_bit(2, (unsigned long*)&config_word)
+#define netxen_clear_gb_drop_gb3(config_word)	\
+		clear_bit(3, (unsigned long*)&config_word)
+
+/*
+ * NIU XG MAC Config Register
+ *
+ * Bit 0 : tx_enable => 1:enable frame xmit, 0:disable
+ * Bit 2 : rx_enable => 1:enable frame recv, 0:disable
+ * Bit 4 : soft_reset => 1:reset the MAC , 0:no-op
+ * Bit 27: xaui_framer_reset
+ * Bit 28: xaui_rx_reset
+ * Bit 29: xaui_tx_reset
+ * Bit 30: xg_ingress_afifo_reset
+ * Bit 31: xg_egress_afifo_reset
+ */
+
+#define netxen_xg_soft_reset(config_word)	\
+		set_bit(4, (unsigned long*)&config_word)
+
+/*
+ * MAC Control Register
+ * 
+ * Bit 0-1   : id_pool0
+ * Bit 2     : enable_xtnd0
+ * Bit 4-5   : id_pool1
+ * Bit 6     : enable_xtnd1
+ * Bit 8-9   : id_pool2
+ * Bit 10    : enable_xtnd2
+ * Bit 12-13 : id_pool3
+ * Bit 14    : enable_xtnd3
+ * Bit 24-25 : mode_select
+ * Bit 28-31 : enable_pool
+ */
+
+#define netxen_nic_mcr_set_id_pool0(config, val)	\
+		((config) |= ((val) &0x03))
+#define netxen_nic_mcr_set_enable_xtnd0(config)	\
+		(set_bit(3, (unsigned long *)&(config)))
+#define netxen_nic_mcr_set_id_pool1(config, val)	\
+		((config) |= (((val) & 0x03) << 4))
+#define netxen_nic_mcr_set_enable_xtnd1(config)	\
+		(set_bit(6, (unsigned long *)&(config)))
+#define netxen_nic_mcr_set_id_pool2(config, val)	\
+		((config) |= (((val) & 0x03) << 8))
+#define netxen_nic_mcr_set_enable_xtnd2(config)	\
+		(set_bit(10, (unsigned long *)&(config)))
+#define netxen_nic_mcr_set_id_pool3(config, val)	\
+		((config) |= (((val) & 0x03) << 12))
+#define netxen_nic_mcr_set_enable_xtnd3(config)	\
+		(set_bit(14, (unsigned long *)&(config)))
+#define netxen_nic_mcr_set_mode_select(config, val)	\
+		((config) |= (((val) & 0x03) << 24))
+#define netxen_nic_mcr_set_enable_pool(config, val)	\
+		((config) |= (((val) & 0x0f) << 28))
+
+/* Set promiscuous mode for a GbE interface */
+int netxen_niu_set_promiscuous_mode(struct netxen_adapter *adapter, int port,
+				    netxen_niu_prom_mode_t mode);
+int netxen_niu_xg_set_promiscuous_mode(struct netxen_adapter *adapter,
+				       int port, netxen_niu_prom_mode_t mode);
+
+/* get/set the MAC address for a given MAC */
+int netxen_niu_macaddr_get(struct netxen_adapter *adapter, int port,
+			   netxen_ethernet_macaddr_t * addr);
+int netxen_niu_macaddr_set(struct netxen_port *port,
+			   netxen_ethernet_macaddr_t addr);
+
+/* XG versons */
+int netxen_niu_xg_macaddr_get(struct netxen_adapter *adapter, int port,
+			      netxen_ethernet_macaddr_t * addr);
+int netxen_niu_xg_macaddr_set(struct netxen_port *port,
+			      netxen_ethernet_macaddr_t addr);
+
+/* Generic enable for GbE ports. Will detect the speed of the link. */
+int netxen_niu_gbe_init_port(struct netxen_adapter *adapter, int port);
+
+/* Disable a GbE interface */
+int netxen_niu_disable_gbe_port(struct netxen_adapter *adapter, int port);
+
+int netxen_niu_disable_xg_port(struct netxen_adapter *adapter, int port);
+
+#endif				/* __NETXEN_NIC_HW_H_ */

drivers/net/netxen/netxen_nic_init.c

+/*
+ * Copyright (C) 2003 - 2006 NetXen, Inc.
+ * 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 LICENSE.
+ * 
+ * Contact Information:
+ *    info@netxen.com
+ * NetXen,
+ * 3965 Freedom Circle, Fourth floor,
+ * Santa Clara, CA 95054
+ *
+ *
+ * Source file for NIC routines to initialize the Phantom Hardware
+ *
+ */
+
+#include <linux/netdevice.h>
+#include <linux/delay.h>
+#include "netxen_nic.h"
+#include "netxen_nic_hw.h"
+#include "netxen_nic_ioctl.h"
+#include "netxen_nic_phan_reg.h"
+
+struct crb_addr_pair {
+	long addr;
+	long data;
+};
+
+#define NETXEN_MAX_CRB_XFORM 60
+static unsigned int crb_addr_xform[NETXEN_MAX_CRB_XFORM];
+#define NETXEN_ADDR_ERROR ((unsigned long ) 0xffffffff )
+
+#define crb_addr_transform(name) \
+	crb_addr_xform[NETXEN_HW_PX_MAP_CRB_##name] = \
+	NETXEN_HW_CRB_HUB_AGT_ADR_##name << 20
+
+static inline void
+netxen_nic_locked_write_reg(struct netxen_adapter *adapter,
+			    unsigned long off, int *data)
+{
+	void __iomem *addr = (adapter->ahw.pci_base + off);
+	writel(*data, addr);
+}
+
+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);
+}
+
+int netxen_init_firmware(struct netxen_adapter *adapter)
+{
+	u32 state = 0, loops = 0, err = 0;
+
+	/* Window 1 call */
+	state = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE));
+
+	if (state == PHAN_INITIALIZE_ACK)
+		return 0;
+
+	while (state != PHAN_INITIALIZE_COMPLETE && loops < 2000) {
+		udelay(100);
+		/* Window 1 call */
+		state = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE));
+
+		loops++;
+	}
+	if (loops >= 2000) {
+		printk(KERN_ERR "Cmd Peg initialization not complete:%x.\n",
+		       state);
+		err = -EIO;
+		return err;
+	}
+	/* Window 1 call */
+	writel(PHAN_INITIALIZE_ACK,
+	       NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE));
+
+	return err;
+}
+
+void netxen_initialize_adapter_sw(struct netxen_adapter *adapter)
+{
+	int ctxid, ring;
+	u32 i;
+	u32 num_rx_bufs = 0;
+	struct netxen_rcv_desc_ctx *rcv_desc;
+
+	DPRINTK(INFO, "initializing some queues: %p\n", adapter);
+	for (ctxid = 0; ctxid < MAX_RCV_CTX; ++ctxid) {
+		for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
+			struct netxen_rx_buffer *rx_buf;
+			rcv_desc = &adapter->recv_ctx[ctxid].rcv_desc[ring];
+			rcv_desc->rcv_free = rcv_desc->max_rx_desc_count;
+			rcv_desc->begin_alloc = 0;
+			rx_buf = rcv_desc->rx_buf_arr;
+			num_rx_bufs = rcv_desc->max_rx_desc_count;
+			/*
+			 * Now go through all of them, set reference handles
+			 * and put them in the queues.
+			 */
+			for (i = 0; i < num_rx_bufs; i++) {
+				rx_buf->ref_handle = i;
+				rx_buf->state = NETXEN_BUFFER_FREE;
+
+				DPRINTK(INFO, "Rx buf:ctx%d i(%d) rx_buf:"
+					"%p\n", ctxid, i, rx_buf);
+				rx_buf++;
+			}
+		}
+	}
+	DPRINTK(INFO, "initialized buffers for %s and %s\n",
+		"adapter->free_cmd_buf_list", "adapter->free_rxbuf");
+}
+
+void netxen_initialize_adapter_hw(struct netxen_adapter *adapter)
+{
+	if (netxen_nic_get_board_info(adapter) != 0)
+		printk("%s: Error getting board config info.\n",
+		       netxen_nic_driver_name);
+
+	switch (adapter->ahw.board_type) {
+	case NETXEN_NIC_GBE:
+		adapter->ahw.max_ports = 4;
+		break;
+
+	case NETXEN_NIC_XGBE:
+		adapter->ahw.max_ports = 1;
+		break;
+
+	default:
+		printk(KERN_ERR "%s: Unknown board type\n",
+		       netxen_nic_driver_name);
+	}
+}
+
+void netxen_initialize_adapter_ops(struct netxen_adapter *adapter)
+{
+	struct netxen_drvops *ops = adapter->ops;
+	switch (adapter->ahw.board_type) {
+	case NETXEN_NIC_GBE:
+		ops->enable_phy_interrupts =
+		    netxen_niu_gbe_enable_phy_interrupts;
+		ops->disable_phy_interrupts =
+		    netxen_niu_gbe_disable_phy_interrupts;
+		ops->handle_phy_intr = netxen_nic_gbe_handle_phy_intr;
+		ops->macaddr_set = netxen_niu_macaddr_set;
+		ops->set_mtu = netxen_nic_set_mtu_gb;
+		ops->set_promisc = netxen_niu_set_promiscuous_mode;
+		ops->unset_promisc = netxen_niu_set_promiscuous_mode;
+		ops->phy_read = netxen_niu_gbe_phy_read;
+		ops->phy_write = netxen_niu_gbe_phy_write;
+		ops->init_port = netxen_niu_gbe_init_port;
+		ops->init_niu = netxen_nic_init_niu_gb;
+		ops->stop_port = netxen_niu_disable_gbe_port;
+		break;
+
+	case NETXEN_NIC_XGBE:
+		ops->enable_phy_interrupts =
+		    netxen_niu_xgbe_enable_phy_interrupts;
+		ops->disable_phy_interrupts =
+		    netxen_niu_xgbe_disable_phy_interrupts;
+		ops->handle_phy_intr = netxen_nic_xgbe_handle_phy_intr;
+		ops->macaddr_set = netxen_niu_xg_macaddr_set;
+		ops->set_mtu = netxen_nic_set_mtu_xgb;
+		ops->set_promisc = netxen_niu_xg_set_promiscuous_mode;
+		ops->unset_promisc = netxen_niu_xg_set_promiscuous_mode;
+		ops->stop_port = netxen_niu_disable_xg_port;
+		break;
+
+	default:
+		break;
+	}
+}
+
+/*
+ * netxen_decode_crb_addr(0 - utility to translate from internal Phantom CRB
+ * address to external PCI CRB address.
+ */
+unsigned long netxen_decode_crb_addr(unsigned long addr)
+{
+	int i;
+	unsigned long 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);
+}
+
+static long rom_max_timeout = 10000;
+static long rom_lock_timeout = 1000000;
+
+static inline int rom_lock(struct netxen_adapter *adapter)
+{
+	int iter;
+	u32 done = 0;
+	int timeout = 0;
+
+	while (!done) {
+		/* acquire semaphore2 from PCI HW block */
+		netxen_nic_read_w0(adapter, NETXEN_PCIE_REG(PCIE_SEM2_LOCK),
+				   &done);
+		if (done == 1)
+			break;
+		if (timeout >= rom_lock_timeout)
+			return -EIO;
+
+		timeout++;
+		/*
+		 * Yield CPU
+		 */
+		if (!in_atomic())
+			schedule();
+		else {
+			for (iter = 0; iter < 20; iter++)
+				cpu_relax();	/*This a nop instr on i386 */
+		}
+	}
+	netxen_nic_reg_write(adapter, NETXEN_ROM_LOCK_ID, ROM_LOCK_DRIVER);
+	return 0;
+}
+
+static inline void rom_unlock(struct netxen_adapter *adapter)
+{
+	u32 val;
+
+	/* release semaphore2 */
+	netxen_nic_read_w0(adapter, NETXEN_PCIE_REG(PCIE_SEM2_UNLOCK), &val);
+
+}
+
+int netxen_wait_rom_done(struct netxen_adapter *adapter)
+{
+	long timeout = 0;
+	long done = 0;
+
+	while (done == 0) {
+		done = netxen_nic_reg_read(adapter, NETXEN_ROMUSB_GLB_STATUS);
+		done &= 2;
+		timeout++;
+		if (timeout >= rom_max_timeout) {
+			printk("Timeout reached  waiting for rom done");
+			return -EIO;
+		}
+	}
+	return 0;
+}
+
+static inline int
+do_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp)
+{
+	netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ADDRESS, addr);
+	netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 3);
+	udelay(100);		/* prevent bursting on CRB */
+	netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_DUMMY_BYTE_CNT, 0);
+	netxen_nic_reg_write(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 */
+	netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 0);
+	udelay(100);		/* prevent bursting on CRB */
+	netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_DUMMY_BYTE_CNT, 0);
+
+	*valp = netxen_nic_reg_read(adapter, NETXEN_ROMUSB_ROM_RDATA);
+	return 0;
+}
+
+int netxen_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp)
+{
+	int ret;
+
+	if (rom_lock(adapter) != 0)
+		return -EIO;
+
+	ret = do_rom_fast_read(adapter, addr, valp);
+	rom_unlock(adapter);
+	return ret;
+}
+
+#define NETXEN_BOARDTYPE		0x4008
+#define NETXEN_BOARDNUM 		0x400c
+#define NETXEN_CHIPNUM			0x4010
+#define NETXEN_ROMBUS_RESET		0xFFFFFFFF
+#define NETXEN_ROM_FIRST_BARRIER	0x800000000ULL
+#define NETXEN_ROM_FOUND_INIT		0x400
+
+int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose)
+{
+	int addr, val, status;
+	int n, i;
+	int init_delay = 0;
+	struct crb_addr_pair *buf;
+	unsigned long off;
+
+	/* resetall */
+	status = netxen_nic_get_board_info(adapter);
+	if (status)
+		printk("%s: pinit_from_rom: Error getting board info\n",
+		       netxen_nic_driver_name);
+
+	netxen_crb_writelit_adapter(adapter, NETXEN_ROMUSB_GLB_SW_RESET,
+				    NETXEN_ROMBUS_RESET);
+
+	if (verbose) {
+		int val;
+		if (netxen_rom_fast_read(adapter, NETXEN_BOARDTYPE, &val) == 0)
+			printk("P2 ROM board type: 0x%08x\n", val);
+		else
+			printk("Could not read board type\n");
+		if (netxen_rom_fast_read(adapter, NETXEN_BOARDNUM, &val) == 0)
+			printk("P2 ROM board  num: 0x%08x\n", val);
+		else
+			printk("Could not read board number\n");
+		if (netxen_rom_fast_read(adapter, NETXEN_CHIPNUM, &val) == 0)
+			printk("P2 ROM chip   num: 0x%08x\n", val);
+		else
+			printk("Could not read chip number\n");
+	}
+
+	if (netxen_rom_fast_read(adapter, 0, &n) == 0
+	    && (n & NETXEN_ROM_FIRST_BARRIER)) {
+		n &= ~NETXEN_ROM_ROUNDUP;
+		if (n < NETXEN_ROM_FOUND_INIT) {
+			if (verbose)
+				printk("%s: %d CRB init values found"
+				       " in ROM.\n", netxen_nic_driver_name, n);
+		} else {
+			printk("%s:n=0x%x Error! NetXen card flash not"
+			       " initialized.\n", __FUNCTION__, n);
+			return -EIO;
+		}
+		buf = kcalloc(n, sizeof(struct crb_addr_pair), GFP_KERNEL);
+		if (buf == NULL) {
+			printk("%s: 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, &val) != 0
+			    || netxen_rom_fast_read(adapter, 8 * i + 8,
+						    &addr) != 0)
+				return -EIO;
+
+			buf[i].addr = addr;
+			buf[i].data = val;
+
+			if (verbose)
+				printk("%s: PCI:     0x%08x == 0x%08x\n",
+				       netxen_nic_driver_name, (unsigned int)
+				       netxen_decode_crb_addr((unsigned long)
+							      addr), val);
+		}
+		for (i = 0; i < n; i++) {
+
+			off =
+			    netxen_decode_crb_addr((unsigned long)buf[i].addr) +
+			    NETXEN_PCI_CRBSPACE;
+			/* skipping cold reboot MAGIC */
+			if (off == NETXEN_CAM_RAM(0x1fc))
+				continue;
+
+			/* 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 = 1;
+				/* hold xdma in reset also */
+				buf[i].data = 0x8000ff;
+			}
+
+			if (ADDR_IN_WINDOW1(off)) {
+				writel(buf[i].data,
+				       NETXEN_CRB_NORMALIZE(adapter, off));
+			} else {
+				netxen_nic_pci_change_crbwindow(adapter, 0);
+				writel(buf[i].data,
+				       adapter->ahw.pci_base + off);
+
+				netxen_nic_pci_change_crbwindow(adapter, 1);
+			}
+			if (init_delay == 1) {
+				ssleep(1);
+				init_delay = 0;
+			}
+			msleep(1);
+		}
+		kfree(buf);
+
+		/* disable_peg_cache_all */
+
+		/* unreset_net_cache */
+		netxen_nic_hw_read_wx(adapter, NETXEN_ROMUSB_GLB_SW_RESET, &val,
+				      4);
+		netxen_crb_writelit_adapter(adapter, NETXEN_ROMUSB_GLB_SW_RESET,
+					    (val & 0xffffff0f));
+		/* p2dn replyCount */
+		netxen_crb_writelit_adapter(adapter,
+					    NETXEN_CRB_PEG_NET_D + 0xec, 0x1e);
+		/* disable_peg_cache 0 */
+		netxen_crb_writelit_adapter(adapter,
+					    NETXEN_CRB_PEG_NET_D + 0x4c, 8);
+		/* disable_peg_cache 1 */
+		netxen_crb_writelit_adapter(adapter,
+					    NETXEN_CRB_PEG_NET_I + 0x4c, 8);
+
+		/* peg_clr_all */
+
+		/* peg_clr 0 */
+		netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_0 + 0x8,
+					    0);
+		netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_0 + 0xc,
+					    0);
+		/* peg_clr 1 */
+		netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_1 + 0x8,
+					    0);
+		netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_1 + 0xc,
+					    0);
+		/* peg_clr 2 */
+		netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_2 + 0x8,
+					    0);
+		netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_2 + 0xc,
+					    0);
+		/* peg_clr 3 */
+		netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_3 + 0x8,
+					    0);
+		netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_3 + 0xc,
+					    0);
+	}
+	return 0;
+}
+
+void netxen_phantom_init(struct netxen_adapter *adapter)
+{
+	u32 val = 0;
+	int loops = 0;
+
+	netxen_nic_hw_read_wx(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE, &val, 4);
+	writel(1,
+	       NETXEN_CRB_NORMALIZE(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE));
+
+	if (0 == val) {
+		while (val != PHAN_INITIALIZE_COMPLETE && loops < 200000) {
+			udelay(100);
+			val =
+			    readl(NETXEN_CRB_NORMALIZE
+				  (adapter, CRB_CMDPEG_STATE));
+			loops++;
+		}
+		if (val != PHAN_INITIALIZE_COMPLETE)
+			printk("WARNING: Initial boot wait loop failed...\n");
+	}
+}
+
+int netxen_nic_rx_has_work(struct netxen_adapter *adapter)
+{
+	int ctx;
+
+	for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
+		struct netxen_recv_context *recv_ctx =
+		    &(adapter->recv_ctx[ctx]);
+		u32 consumer;
+		struct status_desc *desc_head;
+		struct status_desc *desc;	/* used to read status desc here */
+
+		consumer = recv_ctx->status_rx_consumer;
+		desc_head = recv_ctx->rcv_status_desc_head;
+		desc = &desc_head[consumer];
+
+		if (((le16_to_cpu(desc->owner)) & STATUS_OWNER_HOST))
+			return 1;
+	}
+
+	return 0;
+}
+
+void netxen_watchdog_task(unsigned long v)
+{
+	int port_num;
+	struct netxen_port *port;
+	struct net_device *netdev;
+	struct netxen_adapter *adapter = (struct netxen_adapter *)v;
+
+	for (port_num = 0; port_num < adapter->ahw.max_ports; port_num++) {
+		port = adapter->port[port_num];
+		netdev = port->netdev;
+
+		if ((netif_running(netdev)) && !netif_carrier_ok(netdev)) {
+			printk(KERN_INFO "%s port %d, %s carrier is now ok\n",
+			       netxen_nic_driver_name, port_num, netdev->name);
+			netif_carrier_on(netdev);
+		}
+
+		if (netif_queue_stopped(netdev))
+			netif_wake_queue(netdev);
+	}
+
+	netxen_nic_pci_change_crbwindow(adapter, 1);
+
+	if (adapter->ops->handle_phy_intr)
+		adapter->ops->handle_phy_intr(adapter);
+	mod_timer(&adapter->watchdog_timer, jiffies + 2 * HZ);
+}
+
+/*
+ * netxen_process_rcv() send the received packet to the protocol stack.
+ * and if the number of receives exceeds RX_BUFFERS_REFILL, then we
+ * invoke the routine to send more rx buffers to the Phantom...
+ */
+void
+netxen_process_rcv(struct netxen_adapter *adapter, int ctxid,
+		   struct status_desc *desc)
+{
+	struct netxen_port *port = adapter->port[STATUS_DESC_PORT(desc)];
+	struct pci_dev *pdev = port->pdev;
+	struct net_device *netdev = port->netdev;
+	int index = le16_to_cpu(desc->reference_handle);
+	struct netxen_recv_context *recv_ctx = &(adapter->recv_ctx[ctxid]);
+	struct netxen_rx_buffer *buffer;
+	struct sk_buff *skb;
+	u32 length = le16_to_cpu(desc->total_length);
+	u32 desc_ctx;
+	struct netxen_rcv_desc_ctx *rcv_desc;
+	int ret;
+
+	desc_ctx = STATUS_DESC_TYPE(desc);
+	if (unlikely(desc_ctx >= NUM_RCV_DESC_RINGS)) {
+		printk("%s: %s Bad Rcv descriptor ring\n",
+		       netxen_nic_driver_name, netdev->name);
+		return;
+	}
+
+	rcv_desc = &recv_ctx->rcv_desc[desc_ctx];
+	buffer = &rcv_desc->rx_buf_arr[index];
+
+	pci_unmap_single(pdev, buffer->dma, rcv_desc->dma_size,
+			 PCI_DMA_FROMDEVICE);
+
+	skb = (struct sk_buff *)buffer->skb;
+
+	if (likely(STATUS_DESC_STATUS(desc) == STATUS_CKSUM_OK)) {
+		port->stats.csummed++;
+		skb->ip_summed = CHECKSUM_UNNECESSARY;
+	} else
+		skb->ip_summed = CHECKSUM_NONE;
+	skb->dev = netdev;
+	skb_put(skb, length);
+	skb->protocol = eth_type_trans(skb, netdev);
+
+	ret = netif_receive_skb(skb);
+
+	/*
+	 * RH: Do we need these stats on a regular basis. Can we get it from
+	 * Linux stats.
+	 */
+	switch (ret) {
+	case NET_RX_SUCCESS:
+		port->stats.uphappy++;
+		break;
+
+	case NET_RX_CN_LOW:
+		port->stats.uplcong++;
+		break;
+
+	case NET_RX_CN_MOD:
+		port->stats.upmcong++;
+		break;
+
+	case NET_RX_CN_HIGH:
+		port->stats.uphcong++;
+		break;
+
+	case NET_RX_DROP:
+		port->stats.updropped++;
+		break;
+
+	default:
+		port->stats.updunno++;
+		break;
+	}
+
+	netdev->last_rx = jiffies;
+
+	rcv_desc->rcv_free++;
+	rcv_desc->rcv_pending--;
+
+	/*
+	 * We just consumed one buffer so post a buffer.
+	 */
+	adapter->stats.post_called++;
+	buffer->skb = NULL;
+	buffer->state = NETXEN_BUFFER_FREE;
+
+	port->stats.no_rcv++;
+	port->stats.rxbytes += length;
+}
+
+/* Process Receive status ring */
+u32 netxen_process_rcv_ring(struct netxen_adapter *adapter, int ctxid, int max)
+{
+	struct netxen_recv_context *recv_ctx = &(adapter->recv_ctx[ctxid]);
+	struct status_desc *desc_head = recv_ctx->rcv_status_desc_head;
+	struct status_desc *desc;	/* used to read status desc here */
+	u32 consumer = recv_ctx->status_rx_consumer;
+	int count = 0, ring;
+
+	DPRINTK(INFO, "procesing receive\n");
+	/*
+	 * we assume in this case that there is only one port and that is
+	 * port #1...changes need to be done in firmware to indicate port
+	 * number as part of the descriptor. This way we will be able to get
+	 * the netdev which is associated with that device.
+	 */
+	while (count < max) {
+		desc = &desc_head[consumer];
+		if (!((le16_to_cpu(desc->owner)) & STATUS_OWNER_HOST)) {
+			DPRINTK(ERR, "desc %p ownedby %x\n", desc, desc->owner);
+			break;
+		}
+		netxen_process_rcv(adapter, ctxid, desc);
+		desc->owner = STATUS_OWNER_PHANTOM;
+		consumer = (consumer + 1) & (adapter->max_rx_desc_count - 1);
+		count++;
+	}
+	if (count) {
+		for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
+			netxen_post_rx_buffers(adapter, ctxid, ring);
+		}
+	}
+
+	/* update the consumer index in phantom */
+	if (count) {
+		adapter->stats.process_rcv++;
+		recv_ctx->status_rx_consumer = consumer;
+
+		/* Window = 1 */
+		writel(consumer,
+		       NETXEN_CRB_NORMALIZE(adapter,
+					    recv_crb_registers[ctxid].
+					    crb_rcv_status_consumer));
+	}
+
+	return count;
+}
+
+/* Process Command status ring */
+void netxen_process_cmd_ring(unsigned long data)
+{
+	u32 last_consumer;
+	u32 consumer;
+	struct netxen_adapter *adapter = (struct netxen_adapter *)data;
+	int count = 0;
+	struct netxen_cmd_buffer *buffer;
+	struct netxen_port *port;	/* port #1 */
+	struct netxen_port *nport;
+	struct pci_dev *pdev;
+	struct netxen_skb_frag *frag;
+	u32 i;
+	struct sk_buff *skb = NULL;
+	int p;
+
+	spin_lock(&adapter->tx_lock);
+	last_consumer = adapter->last_cmd_consumer;
+	DPRINTK(INFO, "procesing xmit complete\n");
+	/* we assume in this case that there is only one port and that is
+	 * port #1...changes need to be done in firmware to indicate port
+	 * number as part of the descriptor. This way we will be able to get
+	 * the netdev which is associated with that device.
+	 */
+	/* Window = 1 */
+	consumer =
+	    readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMD_CONSUMER_OFFSET));
+
+	if (last_consumer == consumer) {	/* Ring is empty    */
+		DPRINTK(INFO, "last_consumer %d == consumer %d\n",
+			last_consumer, consumer);
+		spin_unlock(&adapter->tx_lock);
+		return;
+	}
+
+	adapter->proc_cmd_buf_counter++;
+	adapter->stats.process_xmit++;
+	/*
+	 * Not needed - does not seem to be used anywhere.
+	 * adapter->cmd_consumer = consumer;
+	 */
+	spin_unlock(&adapter->tx_lock);
+
+	while ((last_consumer != consumer) && (count < MAX_STATUS_HANDLE)) {
+		buffer = &adapter->cmd_buf_arr[last_consumer];
+		port = adapter->port[buffer->port];
+		pdev = port->pdev;
+		frag = &buffer->frag_array[0];
+		skb = buffer->skb;
+		if (skb && (cmpxchg(&buffer->skb, skb, 0) == skb)) {
+			pci_unmap_single(pdev, frag->dma, frag->length,
+					 PCI_DMA_TODEVICE);
+			for (i = 1; i < buffer->frag_count; i++) {
+				DPRINTK(INFO, "getting fragment no %d\n", i);
+				frag++;	/* Get the next frag */
+				pci_unmap_page(pdev, frag->dma, frag->length,
+					       PCI_DMA_TODEVICE);
+			}
+
+			port->stats.skbfreed++;
+			dev_kfree_skb_any(skb);
+			skb = NULL;
+		} else if (adapter->proc_cmd_buf_counter == 1) {
+			port->stats.txnullskb++;
+		}
+		if (unlikely(netif_queue_stopped(port->netdev)
+			     && netif_carrier_ok(port->netdev))
+		    && ((jiffies - port->netdev->trans_start) >
+			port->netdev->watchdog_timeo)) {
+			schedule_work(&port->adapter->tx_timeout_task);
+		}
+
+		last_consumer = get_next_index(last_consumer,
+					       adapter->max_tx_desc_count);
+		count++;
+	}
+	adapter->stats.noxmitdone += count;
+
+	count = 0;
+	spin_lock(&adapter->tx_lock);
+	if ((--adapter->proc_cmd_buf_counter) == 0) {
+		adapter->last_cmd_consumer = last_consumer;
+		while ((adapter->last_cmd_consumer != consumer)
+		       && (count < MAX_STATUS_HANDLE)) {
+			buffer =
+			    &adapter->cmd_buf_arr[adapter->last_cmd_consumer];
+			count++;
+			if (buffer->skb)
+				break;
+			else
+				adapter->last_cmd_consumer =
+				    get_next_index(adapter->last_cmd_consumer,
+						   adapter->max_tx_desc_count);
+		}
+	}
+	if (count) {
+		for (p = 0; p < adapter->ahw.max_ports; p++) {
+			nport = adapter->port[p];
+			if (netif_queue_stopped(nport->netdev)
+			    && (nport->flags & NETXEN_NETDEV_STATUS)) {
+				netif_wake_queue(nport->netdev);
+				nport->flags &= ~NETXEN_NETDEV_STATUS;
+			}
+		}
+	}
+
+	spin_unlock(&adapter->tx_lock);
+	DPRINTK(INFO, "last consumer is %d in %s\n", last_consumer,
+		__FUNCTION__);
+}
+
+/*
+ * netxen_post_rx_buffers puts buffer in the Phantom memory
+ */
+void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx, u32 ringid)
+{
+	struct pci_dev *pdev = adapter->ahw.pdev;
+	struct sk_buff *skb;
+	struct netxen_recv_context *recv_ctx = &(adapter->recv_ctx[ctx]);
+	struct netxen_rcv_desc_ctx *rcv_desc = NULL;
+	struct netxen_recv_crb *crbarea = &recv_crb_registers[ctx];
+	struct netxen_rcv_desc_crb *rcv_desc_crb = NULL;
+	u32 producer;
+	struct rcv_desc *pdesc;
+	struct netxen_rx_buffer *buffer;
+	int count = 0;
+	int index = 0;
+
+	adapter->stats.post_called++;
+	rcv_desc = &recv_ctx->rcv_desc[ringid];
+	rcv_desc_crb = &crbarea->rcv_desc_crb[ringid];
+
+	producer = rcv_desc->producer;
+	index = rcv_desc->begin_alloc;
+	buffer = &rcv_desc->rx_buf_arr[index];
+	/* We can start writing rx descriptors into the phantom memory. */
+	while (buffer->state == NETXEN_BUFFER_FREE) {
+		skb = dev_alloc_skb(rcv_desc->skb_size);
+		if (unlikely(!skb)) {
+			/*
+			 * We need to schedule the posting of buffers to the pegs.
+			 */
+			rcv_desc->begin_alloc = index;
+			DPRINTK(ERR, "unm_post_rx_buffers: "
+				" allocated only %d buffers\n", count);
+			break;
+		}
+		count++;	/* now there should be no failure */
+		pdesc = &rcv_desc->desc_head[producer];
+		skb_reserve(skb, NET_IP_ALIGN);
+		/* 
+		 * This will be setup when we receive the
+		 * buffer after it has been filled
+		 * skb->dev = netdev;
+		 */
+		buffer->skb = skb;
+		buffer->state = NETXEN_BUFFER_BUSY;
+		buffer->dma = pci_map_single(pdev, skb->data,
+					     rcv_desc->dma_size,
+					     PCI_DMA_FROMDEVICE);
+		/* make a rcv descriptor  */
+		pdesc->reference_handle = le16_to_cpu(buffer->ref_handle);
+		pdesc->buffer_length = le16_to_cpu(rcv_desc->dma_size);
+		pdesc->addr_buffer = cpu_to_le64(buffer->dma);
+		DPRINTK(INFO, "done writing descripter\n");
+		producer =
+		    get_next_index(producer, rcv_desc->max_rx_desc_count);
+		index = get_next_index(index, rcv_desc->max_rx_desc_count);
+		buffer = &rcv_desc->rx_buf_arr[index];
+	}
+
+	/* if we did allocate buffers, then write the count to Phantom */
+	if (count) {
+		rcv_desc->begin_alloc = index;
+		rcv_desc->rcv_pending += count;
+		adapter->stats.lastposted = count;
+		adapter->stats.posted += count;
+		rcv_desc->producer = producer;
+		if (rcv_desc->rcv_free >= 32) {
+			rcv_desc->rcv_free = 0;
+			/* Window = 1 */
+			writel((producer - 1) &
+			       (rcv_desc->max_rx_desc_count - 1),
+			       NETXEN_CRB_NORMALIZE(adapter,
+						    rcv_desc_crb->
+						    crb_rcv_producer_offset));
+			wmb();
+		}
+	}
+}
+
+int netxen_nic_tx_has_work(struct netxen_adapter *adapter)
+{
+	if (find_diff_among(adapter->last_cmd_consumer,
+			    adapter->cmd_producer,
+			    adapter->max_tx_desc_count) > 0)
+		return 1;
+
+	return 0;
+}
+
+int
+netxen_nic_fill_statistics(struct netxen_adapter *adapter,
+			   struct netxen_port *port,
+			   struct netxen_statistics *netxen_stats)
+{
+	void __iomem *addr;
+
+	if (adapter->ahw.board_type == NETXEN_NIC_XGBE) {
+		netxen_nic_pci_change_crbwindow(adapter, 0);
+		NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_TX_BYTE_CNT,
+					   &(netxen_stats->tx_bytes));
+		NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_TX_FRAME_CNT,
+					   &(netxen_stats->tx_packets));
+		NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_RX_BYTE_CNT,
+					   &(netxen_stats->rx_bytes));
+		NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_RX_FRAME_CNT,
+					   &(netxen_stats->rx_packets));
+		NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_AGGR_ERROR_CNT,
+					   &(netxen_stats->rx_errors));
+		NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_CRC_ERROR_CNT,
+					   &(netxen_stats->rx_crc_errors));
+		NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_OVERSIZE_FRAME_ERR,
+					   &(netxen_stats->
+					     rx_long_length_error));
+		NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_UNDERSIZE_FRAME_ERR,
+					   &(netxen_stats->
+					     rx_short_length_error));
+
+		netxen_nic_pci_change_crbwindow(adapter, 1);
+	} else {
+		spin_lock_bh(&adapter->tx_lock);
+		netxen_stats->tx_bytes = port->stats.txbytes;
+		netxen_stats->tx_packets = port->stats.xmitedframes +
+		    port->stats.xmitfinished;
+		netxen_stats->rx_bytes = port->stats.rxbytes;
+		netxen_stats->rx_packets = port->stats.no_rcv;
+		netxen_stats->rx_errors = port->stats.rcvdbadskb;
+		netxen_stats->tx_errors = port->stats.nocmddescriptor;
+		netxen_stats->rx_short_length_error = port->stats.uplcong;
+		netxen_stats->rx_long_length_error = port->stats.uphcong;
+		netxen_stats->rx_crc_errors = 0;
+		netxen_stats->rx_mac_errors = 0;
+		spin_unlock_bh(&adapter->tx_lock);
+	}
+	return 0;
+}
+
+void netxen_nic_clear_stats(struct netxen_adapter *adapter)
+{
+	struct netxen_port *port;
+	int port_num;
+
+	memset(&adapter->stats, 0, sizeof(adapter->stats));
+	for (port_num = 0; port_num < adapter->ahw.max_ports; port_num++) {
+		port = adapter->port[port_num];
+		memset(&port->stats, 0, sizeof(port->stats));
+	}
+}
+
+int
+netxen_nic_clear_statistics(struct netxen_adapter *adapter,
+			    struct netxen_port *port)
+{
+	int data = 0;
+
+	netxen_nic_pci_change_crbwindow(adapter, 0);
+
+	netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_TX_BYTE_CNT, &data);
+	netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_TX_FRAME_CNT,
+				    &data);
+	netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_RX_BYTE_CNT, &data);
+	netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_RX_FRAME_CNT,
+				    &data);
+	netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_AGGR_ERROR_CNT,
+				    &data);
+	netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_CRC_ERROR_CNT,
+				    &data);
+	netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_OVERSIZE_FRAME_ERR,
+				    &data);
+	netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_UNDERSIZE_FRAME_ERR,
+				    &data);
+
+	netxen_nic_pci_change_crbwindow(adapter, 1);
+	netxen_nic_clear_stats(adapter);
+	return 0;
+}
+
+int
+netxen_nic_do_ioctl(struct netxen_adapter *adapter, void *u_data,
+		    struct netxen_port *port)
+{
+	struct netxen_nic_ioctl_data data;
+	struct netxen_nic_ioctl_data *up_data;
+	int retval = 0;
+	struct netxen_statistics netxen_stats;
+
+	up_data = (void *)u_data;
+
+	DPRINTK(INFO, "doing ioctl for %p\n", adapter);
+	if (copy_from_user(&data, (void __user *)up_data, sizeof(data))) {
+		/* evil user tried to crash the kernel */
+		DPRINTK(ERR, "bad copy from userland: %d\n", (int)sizeof(data));
+		retval = -EFAULT;
+		goto error_out;
+	}
+
+	/* Shouldn't access beyond legal limits of  "char u[64];" member */
+	if (!data.ptr && (data.size > sizeof(data.u))) {
+		/* evil user tried to crash the kernel */
+		DPRINTK(ERR, "bad size: %d\n", data.size);
+		retval = -EFAULT;
+		goto error_out;
+	}
+
+	switch (data.cmd) {
+	case netxen_nic_cmd_pci_read:
+		if ((retval = netxen_nic_hw_read_wx(adapter, data.off,
+						    &(data.u), data.size)))
+			goto error_out;
+		if (copy_to_user
+		    ((void __user *)&(up_data->u), &(data.u), data.size)) {
+			DPRINTK(ERR, "bad copy to userland: %d\n",
+				(int)sizeof(data));
+			retval = -EFAULT;
+			goto error_out;
+		}
+		data.rv = 0;
+		break;
+
+	case netxen_nic_cmd_pci_write:
+		data.rv = netxen_nic_hw_write_wx(adapter, data.off, &(data.u),
+						 data.size);
+		break;
+
+	case netxen_nic_cmd_pci_config_read:
+		switch (data.size) {
+		case 1:
+			data.rv = pci_read_config_byte(adapter->ahw.pdev,
+						       data.off,
+						       (char *)&(data.u));
+			break;
+		case 2:
+			data.rv = pci_read_config_word(adapter->ahw.pdev,
+						       data.off,
+						       (short *)&(data.u));
+			break;
+		case 4:
+			data.rv = pci_read_config_dword(adapter->ahw.pdev,
+							data.off,
+							(u32 *) & (data.u));
+			break;
+		}
+		if (copy_to_user
+		    ((void __user *)&(up_data->u), &(data.u), data.size)) {
+			DPRINTK(ERR, "bad copy to userland: %d\n",
+				(int)sizeof(data));
+			retval = -EFAULT;
+			goto error_out;
+		}
+		break;
+
+	case netxen_nic_cmd_pci_config_write:
+		switch (data.size) {
+		case 1:
+			data.rv = pci_write_config_byte(adapter->ahw.pdev,
+							data.off,
+							*(char *)&(data.u));
+			break;
+		case 2:
+			data.rv = pci_write_config_word(adapter->ahw.pdev,
+							data.off,
+							*(short *)&(data.u));
+			break;
+		case 4:
+			data.rv = pci_write_config_dword(adapter->ahw.pdev,
+							 data.off,
+							 *(u32 *) & (data.u));
+			break;
+		}
+		break;
+
+	case netxen_nic_cmd_get_stats:
+		data.rv =
+		    netxen_nic_fill_statistics(adapter, port, &netxen_stats);
+		if (copy_to_user
+		    ((void __user *)(up_data->ptr), (void *)&netxen_stats,
+		     sizeof(struct netxen_statistics))) {
+			DPRINTK(ERR, "bad copy to userland: %d\n",
+				(int)sizeof(netxen_stats));
+			retval = -EFAULT;
+			goto error_out;
+		}
+		up_data->rv = data.rv;
+		break;
+
+	case netxen_nic_cmd_clear_stats:
+		data.rv = netxen_nic_clear_statistics(adapter, port);
+		up_data->rv = data.rv;
+		break;
+
+	case netxen_nic_cmd_get_version:
+		if (copy_to_user
+		    ((void __user *)&(up_data->u), NETXEN_NIC_LINUX_VERSIONID,
+		     sizeof(NETXEN_NIC_LINUX_VERSIONID))) {
+			DPRINTK(ERR, "bad copy to userland: %d\n",
+				(int)sizeof(data));
+			retval = -EFAULT;
+			goto error_out;
+		}
+		break;
+
+	default:
+		DPRINTK(INFO, "bad command %d for %p\n", data.cmd, adapter);
+		retval = -EOPNOTSUPP;
+		goto error_out;
+	}
+	put_user(data.rv, (u16 __user *) (&(up_data->rv)));
+	DPRINTK(INFO, "done ioctl for %p well.\n", adapter);
+
+      error_out:
+	return retval;
+}

drivers/net/netxen/netxen_nic_ioctl.h

+/*
+ * Copyright (C) 2003 - 2006 NetXen, Inc.
+ * 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 LICENSE.
+ * 
+ * Contact Information:
+ *    info@netxen.com
+ * NetXen,
+ * 3965 Freedom Circle, Fourth floor,
+ * Santa Clara, CA 95054
+ */
+
+#ifndef __NETXEN_NIC_IOCTL_H__
+#define __NETXEN_NIC_IOCTL_H__
+
+#include <linux/sockios.h>
+
+#define NETXEN_CMD_START        SIOCDEVPRIVATE
+#define NETXEN_NIC_CMD          (NETXEN_CMD_START + 1)
+#define NETXEN_NIC_NAME         (NETXEN_CMD_START + 2)
+
+typedef enum {
+	netxen_nic_cmd_none = 0,
+	netxen_nic_cmd_pci_read,
+	netxen_nic_cmd_pci_write,
+	netxen_nic_cmd_pci_mem_read,
+	netxen_nic_cmd_pci_mem_write,
+	netxen_nic_cmd_pci_config_read,
+	netxen_nic_cmd_pci_config_write,
+	netxen_nic_cmd_get_stats,
+	netxen_nic_cmd_clear_stats,
+	netxen_nic_cmd_get_version
+} netxen_nic_ioctl_cmd_t;
+
+struct netxen_nic_ioctl_data {
+	u32 cmd;
+	u32 unused1;
+	u64 off;
+	u32 size;
+	u32 rv;
+	char u[64];
+	void *ptr;
+};
+
+struct netxen_statistics {
+	u64 rx_packets;
+	u64 tx_packets;
+	u64 rx_bytes;
+	u64 rx_errors;
+	u64 tx_bytes;
+	u64 tx_errors;
+	u64 rx_crc_errors;
+	u64 rx_short_length_error;
+	u64 rx_long_length_error;
+	u64 rx_mac_errors;
+};
+
+#endif				/* __NETXEN_NIC_IOCTL_H_ */

drivers/net/netxen/netxen_nic_isr.c

+/*
+ * Copyright (C) 2003 - 2006 NetXen, Inc.
+ * 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 LICENSE.
+ * 
+ * Contact Information:
+ *    info@netxen.com
+ * NetXen,
+ * 3965 Freedom Circle, Fourth floor,
+ * Santa Clara, CA 95054
+ */
+
+#include <linux/netdevice.h>
+#include <linux/delay.h>
+
+#include "netxen_nic.h"
+#include "netxen_nic_hw.h"
+#include "netxen_nic_phan_reg.h"
+
+/*
+ * netxen_nic_get_stats - Get System Network Statistics
+ * @netdev: network interface device structure
+ */
+struct net_device_stats *netxen_nic_get_stats(struct net_device *netdev)
+{
+	struct netxen_port *port = netdev_priv(netdev);
+	struct net_device_stats *stats = &port->net_stats;
+
+	memset(stats, 0, sizeof(*stats));
+
+	/* total packets received   */
+	stats->rx_packets = port->stats.no_rcv;
+	/* total packets transmitted    */
+	stats->tx_packets = port->stats.xmitedframes + port->stats.xmitfinished;
+	/* total bytes received     */
+	stats->rx_bytes = port->stats.rxbytes;
+	/* total bytes transmitted  */
+	stats->tx_bytes = port->stats.txbytes;
+	/* bad packets received     */
+	stats->rx_errors = port->stats.rcvdbadskb;
+	/* packet transmit problems */
+	stats->tx_errors = port->stats.nocmddescriptor;
+	/* no space in linux buffers    */
+	stats->rx_dropped = port->stats.updropped;
+	/* no space available in linux  */
+	stats->tx_dropped = port->stats.txdropped;
+
+	return stats;
+}
+
+void netxen_indicate_link_status(struct netxen_adapter *adapter, u32 portno,
+				 u32 link)
+{
+	struct netxen_port *pport = adapter->port[portno];
+	struct net_device *netdev = pport->netdev;
+
+	if (link)
+		netif_carrier_on(netdev);
+	else
+		netif_carrier_off(netdev);
+}
+
+void netxen_handle_port_int(struct netxen_adapter *adapter, u32 portno,
+			    u32 enable)
+{
+	__le32 int_src;
+	struct netxen_port *port;
+
+	/*  This should clear the interrupt source */
+	if (adapter->ops->phy_read)
+		adapter->ops->phy_read(adapter, portno,
+				       NETXEN_NIU_GB_MII_MGMT_ADDR_INT_STATUS,
+				       &int_src);
+	if (int_src == 0) {
+		DPRINTK(INFO, "No phy interrupts for port #%d\n", portno);
+		return;
+	}
+	if (adapter->ops->disable_phy_interrupts)
+		adapter->ops->disable_phy_interrupts(adapter, portno);
+
+	port = adapter->port[portno];
+
+	if (netxen_get_phy_int_jabber(int_src))
+		DPRINTK(INFO, "NetXen: %s Jabber interrupt \n",
+			port->netdev->name);
+
+	if (netxen_get_phy_int_polarity_changed(int_src))
+		DPRINTK(INFO, "NetXen: %s POLARITY CHANGED int \n",
+			port->netdev->name);
+
+	if (netxen_get_phy_int_energy_detect(int_src))
+		DPRINTK(INFO, "NetXen: %s ENERGY DETECT INT \n",
+			port->netdev->name);
+
+	if (netxen_get_phy_int_downshift(int_src))
+		DPRINTK(INFO, "NetXen: %s DOWNSHIFT INT \n",
+			port->netdev->name);
+	/* write it down later.. */
+	if ((netxen_get_phy_int_speed_changed(int_src))
+	    || (netxen_get_phy_int_link_status_changed(int_src))) {
+		__le32 status;
+
+		DPRINTK(INFO, "NetXen: %s SPEED CHANGED OR"
+			" LINK STATUS CHANGED \n", port->netdev->name);
+
+		if (adapter->ops->phy_read
+		    && adapter->ops->phy_read(adapter, portno,
+					      NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
+					      &status) == 0) {
+			if (netxen_get_phy_int_link_status_changed(int_src)) {
+				if (netxen_get_phy_link(status)) {
+					netxen_niu_gbe_init_port(adapter,
+								 portno);
+					printk("%s: %s Link UP\n",
+					       netxen_nic_driver_name,
+					       port->netdev->name);
+
+				} else {
+					printk("%s: %s Link DOWN\n",
+					       netxen_nic_driver_name,
+					       port->netdev->name);
+				}
+				netxen_indicate_link_status(adapter, portno,
+							    netxen_get_phy_link
+							    (status));
+			}
+		}
+	}
+	if (adapter->ops->enable_phy_interrupts)
+		adapter->ops->enable_phy_interrupts(adapter, portno);
+}
+
+void netxen_nic_isr_other(struct netxen_adapter *adapter)
+{
+	u32 enable, portno;
+	u32 i2qhi;
+
+	/*
+	 * bit 3 is for i2qInt, if high its enabled
+	 * check for phy interrupts
+	 * read vector and check for bit 45 for phy
+	 * clear int by writing the same value into ISR_INT_VECTOR REG
+	 */
+
+	DPRINTK(INFO, "I2Q is the source of INT \n");
+
+	/* verify the offset */
+	i2qhi = readl(NETXEN_CRB_NORMALIZE(adapter, NETXEN_I2Q_CLR_PCI_HI));
+
+	DPRINTK(INFO, "isr NETXEN_I2Q_CLR_PCI_HI = 0x%x \n", i2qhi);
+
+	if (i2qhi & 0x4000) {
+		for (portno = 0; portno < NETXEN_NIU_MAX_GBE_PORTS; portno++) {
+			DPRINTK(INFO, "External PHY interrupt ON PORT %d\n",
+				portno);
+
+			enable = 1;
+			netxen_handle_port_int(adapter, portno, enable);
+		}
+
+		/* Clear the interrupt on I2Q */
+		writel((u32) i2qhi,
+		       NETXEN_CRB_NORMALIZE(adapter, NETXEN_I2Q_CLR_PCI_HI));
+
+	}
+}
+
+void netxen_nic_gbe_handle_phy_intr(struct netxen_adapter *adapter)
+{
+	u32 val;
+	val = readl(NETXEN_CRB_NORMALIZE(adapter, ISR_INT_VECTOR));
+	if (val & 0x4) {
+		adapter->stats.otherints++;
+		netxen_nic_isr_other(adapter);
+	}
+}
+
+void netxen_nic_xgbe_handle_phy_intr(struct netxen_adapter *adapter)
+{
+	struct net_device *netdev = adapter->port[0]->netdev;
+	u32 val;
+
+	/* WINDOW = 1 */
+	val = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_XG_STATE));
+
+	if (adapter->ahw.xg_linkup == 1 && val != XG_LINK_UP) {
+		printk(KERN_INFO "%s: %s NIC Link is down\n",
+		       netxen_nic_driver_name, netdev->name);
+		adapter->ahw.xg_linkup = 0;
+		/* read twice to clear sticky bits */
+		/* WINDOW = 0 */
+		netxen_nic_read_w0(adapter, NETXEN_NIU_XG_STATUS, &val);
+		netxen_nic_read_w0(adapter, NETXEN_NIU_XG_STATUS, &val);
+
+		if ((val & 0xffb) != 0xffb) {
+			printk(KERN_INFO "%s ISR: Sync/Align BAD: 0x%08x\n",
+			       netxen_nic_driver_name, val);
+		}
+	} else if (adapter->ahw.xg_linkup == 0 && val == XG_LINK_UP) {
+		printk(KERN_INFO "%s: %s NIC Link is up\n",
+		       netxen_nic_driver_name, netdev->name);
+		adapter->ahw.xg_linkup = 1;
+	}
+}

drivers/net/netxen/netxen_nic_main.c

+/*
+ * Copyright (C) 2003 - 2006 NetXen, Inc.
+ * 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 LICENSE.
+ * 
+ * Contact Information:
+ *    info@netxen.com
+ * NetXen,
+ * 3965 Freedom Circle, Fourth floor,
+ * Santa Clara, CA 95054
+ *
+ *
+ *  Main source file for NetXen NIC Driver on Linux
+ *
+ */
+
+#include "netxen_nic_hw.h"
+
+#include "netxen_nic.h"
+#define DEFINE_GLOBAL_RECV_CRB
+#include "netxen_nic_phan_reg.h"
+#include "netxen_nic_ioctl.h"
+
+MODULE_DESCRIPTION("NetXen Multi port (1/10) Gigabit Network Driver");
+MODULE_LICENSE("GPL");
+MODULE_VERSION(NETXEN_NIC_LINUX_VERSIONID);
+
+char netxen_nic_driver_name[] = "netxen";
+static char netxen_nic_driver_string[] = "NetXen Network Driver version "
+    NETXEN_NIC_LINUX_VERSIONID "-" NETXEN_NIC_BUILD_NO;
+
+#define NETXEN_NETDEV_WEIGHT 120
+#define NETXEN_ADAPTER_UP_MAGIC 777
+
+/* Local functions to NetXen NIC driver */
+static int __devinit netxen_nic_probe(struct pci_dev *pdev,
+				      const struct pci_device_id *ent);
+static void __devexit netxen_nic_remove(struct pci_dev *pdev);
+static int netxen_nic_open(struct net_device *netdev);
+static int netxen_nic_close(struct net_device *netdev);
+static int netxen_nic_xmit_frame(struct sk_buff *, struct net_device *);
+static void netxen_tx_timeout(struct net_device *netdev);
+static void netxen_tx_timeout_task(struct net_device *netdev);
+static void netxen_watchdog(unsigned long);
+static int netxen_handle_int(struct netxen_adapter *, struct net_device *);
+static int netxen_nic_ioctl(struct net_device *netdev,
+			    struct ifreq *ifr, int cmd);
+static int netxen_nic_poll(struct net_device *dev, int *budget);
+#ifdef CONFIG_NET_POLL_CONTROLLER
+static void netxen_nic_poll_controller(struct net_device *netdev);
+#endif
+static irqreturn_t netxen_intr(int irq, void *data, struct pt_regs *regs);
+
+/*  PCI Device ID Table  */
+static struct pci_device_id netxen_pci_tbl[] __devinitdata = {
+	{PCI_DEVICE(0x4040, 0x0001)},
+	{PCI_DEVICE(0x4040, 0x0002)},
+	{PCI_DEVICE(0x4040, 0x0003)},
+	{PCI_DEVICE(0x4040, 0x0004)},
+	{PCI_DEVICE(0x4040, 0x0005)},
+	{0,}
+};
+
+MODULE_DEVICE_TABLE(pci, netxen_pci_tbl);
+
+/*
+ * netxen_nic_probe()
+ *
+ * The Linux system will invoke this after identifying the vendor ID and
+ * device Id in the pci_tbl supported by this module.
+ *
+ * A quad port card has one operational PCI config space, (function 0),
+ * which is used to access all four ports.
+ *
+ * This routine will initialize the adapter, and setup the global parameters
+ * along with the port's specific structure.
+ */
+static int __devinit
+netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+	struct net_device *netdev = NULL;
+	struct netxen_adapter *adapter = NULL;
+	struct netxen_port *port = NULL;
+	u8 __iomem *mem_ptr = NULL;
+	unsigned long mem_base, mem_len;
+	int pci_using_dac, i, err;
+	int ring;
+	struct netxen_recv_context *recv_ctx = NULL;
+	struct netxen_rcv_desc_ctx *rcv_desc = NULL;
+	struct netxen_cmd_buffer *cmd_buf_arr = NULL;
+	u64 mac_addr[FLASH_NUM_PORTS + 1];
+	int valid_mac;
+
+	if ((err = pci_enable_device(pdev)))
+		return err;
+	if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
+		err = -ENODEV;
+		goto err_out_disable_pdev;
+	}
+
+	if ((err = pci_request_regions(pdev, netxen_nic_driver_name)))
+		goto err_out_disable_pdev;
+
+	pci_set_master(pdev);
+	if ((pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) &&
+	    (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) == 0))
+		pci_using_dac = 1;
+	else {
+		if ((err = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) ||
+		    (err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK)))
+			goto err_out_free_res;
+
+		pci_using_dac = 0;
+	}
+
+	/* remap phys address */
+	mem_base = pci_resource_start(pdev, 0);	/* 0 is for BAR 0 */
+	mem_len = pci_resource_len(pdev, 0);
+
+	/* 128 Meg of memory */
+	mem_ptr = ioremap(mem_base, NETXEN_PCI_MAPSIZE_BYTES);
+	if (mem_ptr == 0UL) {
+		printk(KERN_ERR "%s: Cannot ioremap adapter memory aborting."
+		       ":%p\n", netxen_nic_driver_name, mem_ptr);
+		err = -EIO;
+		goto err_out_free_res;
+	}
+
+/*
+ *      Allocate a adapter structure which will manage all the initialization
+ *      as well as the common resources for all ports...
+ *      all the ports will have pointer to this adapter as well as Adapter
+ *      will have pointers of all the ports structures.
+ */
+
+	/* One adapter structure for all 4 ports....   */
+	adapter = kzalloc(sizeof(struct netxen_adapter), GFP_KERNEL);
+	if (adapter == NULL) {
+		printk(KERN_ERR "%s: Could not allocate adapter memory:%d\n",
+		       netxen_nic_driver_name,
+		       (int)sizeof(struct netxen_adapter));
+		err = -ENOMEM;
+		goto err_out_iounmap;
+	}
+
+	adapter->max_tx_desc_count = MAX_CMD_DESCRIPTORS;
+	adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS;
+	adapter->max_jumbo_rx_desc_count = MAX_JUMBO_RCV_DESCRIPTORS;
+
+	pci_set_drvdata(pdev, adapter);
+
+	cmd_buf_arr = (struct netxen_cmd_buffer *)vmalloc(TX_RINGSIZE);
+	if (cmd_buf_arr == NULL) {
+		err = -ENOMEM;
+		goto err_out_free_adapter;
+	}
+	memset(cmd_buf_arr, 0, TX_RINGSIZE);
+
+	for (i = 0; i < MAX_RCV_CTX; ++i) {
+		recv_ctx = &adapter->recv_ctx[i];
+		for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
+			rcv_desc = &recv_ctx->rcv_desc[ring];
+			switch (RCV_DESC_TYPE(ring)) {
+			case RCV_DESC_NORMAL:
+				rcv_desc->max_rx_desc_count =
+				    adapter->max_rx_desc_count;
+				rcv_desc->flags = RCV_DESC_NORMAL;
+				rcv_desc->dma_size = RX_DMA_MAP_LEN;
+				rcv_desc->skb_size = MAX_RX_BUFFER_LENGTH;
+				break;
+
+			case RCV_DESC_JUMBO:
+				rcv_desc->max_rx_desc_count =
+				    adapter->max_jumbo_rx_desc_count;
+				rcv_desc->flags = RCV_DESC_JUMBO;
+				rcv_desc->dma_size = RX_JUMBO_DMA_MAP_LEN;
+				rcv_desc->skb_size = MAX_RX_JUMBO_BUFFER_LENGTH;
+				break;
+
+			}
+			rcv_desc->rx_buf_arr = (struct netxen_rx_buffer *)
+			    vmalloc(RCV_BUFFSIZE);
+
+			if (rcv_desc->rx_buf_arr == NULL) {
+				err = -ENOMEM;
+				goto err_out_free_rx_buffer;
+			}
+			memset(rcv_desc->rx_buf_arr, 0, RCV_BUFFSIZE);
+		}
+
+	}
+
+	adapter->ops = kzalloc(sizeof(struct netxen_drvops), GFP_KERNEL);
+	if (adapter->ops == NULL) {
+		printk(KERN_ERR
+		       "%s: Could not allocate memory for adapter->ops:%d\n",
+		       netxen_nic_driver_name,
+		       (int)sizeof(struct netxen_adapter));
+		err = -ENOMEM;
+		goto err_out_free_rx_buffer;
+	}
+
+	adapter->cmd_buf_arr = cmd_buf_arr;
+	adapter->ahw.pci_base = mem_ptr;
+	spin_lock_init(&adapter->tx_lock);
+	spin_lock_init(&adapter->lock);
+	/* initialize the buffers in adapter */
+	netxen_initialize_adapter_sw(adapter);
+	/*
+	 * Set the CRB window to invalid. If any register in window 0 is
+	 * accessed it should set the window to 0 and then reset it to 1.
+	 */
+	adapter->curr_window = 255;
+	/*
+	 *  Adapter in our case is quad port so initialize it before
+	 *  initializing the ports
+	 */
+	netxen_initialize_adapter_hw(adapter);	/* initialize the adapter */
+
+	netxen_initialize_adapter_ops(adapter);
+
+	init_timer(&adapter->watchdog_timer);
+	adapter->ahw.xg_linkup = 0;
+	adapter->watchdog_timer.function = &netxen_watchdog;
+	adapter->watchdog_timer.data = (unsigned long)adapter;
+	INIT_WORK(&adapter->watchdog_task,
+		  (void (*)(void *))netxen_watchdog_task, adapter);
+	adapter->ahw.pdev = pdev;
+	adapter->proc_cmd_buf_counter = 0;
+	pci_read_config_byte(pdev, PCI_REVISION_ID, &adapter->ahw.revision_id);
+
+	if (pci_enable_msi(pdev)) {
+		adapter->flags &= ~NETXEN_NIC_MSI_ENABLED;
+		printk(KERN_WARNING "%s: unable to allocate MSI interrupt"
+		       " error\n", netxen_nic_driver_name);
+	} else
+		adapter->flags |= NETXEN_NIC_MSI_ENABLED;
+
+	if (netxen_is_flash_supported(adapter) == 0 &&
+	    netxen_get_flash_mac_addr(adapter, mac_addr) == 0)
+		valid_mac = 1;
+	else
+		valid_mac = 0;
+
+	/* initialize the all the ports */
+
+	for (i = 0; i < adapter->ahw.max_ports; i++) {
+		netdev = alloc_etherdev(sizeof(struct netxen_port));
+		if (!netdev) {
+			printk(KERN_ERR "%s: could not allocate netdev for port"
+			       " %d\n", netxen_nic_driver_name, i + 1);
+			goto err_out_free_dev;
+		}
+
+		SET_MODULE_OWNER(netdev);
+
+		port = netdev_priv(netdev);
+		port->netdev = netdev;
+		port->pdev = pdev;
+		port->adapter = adapter;
+		port->portnum = i;	/* Gigabit port number from 0-3 */
+
+		netdev->open = netxen_nic_open;
+		netdev->stop = netxen_nic_close;
+		netdev->hard_start_xmit = netxen_nic_xmit_frame;
+		netdev->get_stats = netxen_nic_get_stats;
+		netdev->set_multicast_list = netxen_nic_set_multi;
+		netdev->set_mac_address = netxen_nic_set_mac;
+		netdev->change_mtu = netxen_nic_change_mtu;
+		netdev->do_ioctl = netxen_nic_ioctl;
+		netdev->tx_timeout = netxen_tx_timeout;
+		netdev->watchdog_timeo = HZ;
+
+		SET_ETHTOOL_OPS(netdev, &netxen_nic_ethtool_ops);
+		netdev->poll = netxen_nic_poll;
+		netdev->weight = NETXEN_NETDEV_WEIGHT;
+#ifdef CONFIG_NET_POLL_CONTROLLER
+		netdev->poll_controller = netxen_nic_poll_controller;
+#endif
+		/* ScatterGather support */
+		netdev->features = NETIF_F_SG;
+		netdev->features |= NETIF_F_IP_CSUM;
+		netdev->features |= NETIF_F_TSO;
+
+		if (pci_using_dac)
+			netdev->features |= NETIF_F_HIGHDMA;
+
+		if (valid_mac) {
+			unsigned char *p = (unsigned char *)&mac_addr[i];
+			netdev->dev_addr[0] = *(p + 5);
+			netdev->dev_addr[1] = *(p + 4);
+			netdev->dev_addr[2] = *(p + 3);
+			netdev->dev_addr[3] = *(p + 2);
+			netdev->dev_addr[4] = *(p + 1);
+			netdev->dev_addr[5] = *(p + 0);
+
+			memcpy(netdev->perm_addr, netdev->dev_addr,
+			       netdev->addr_len);
+			if (!is_valid_ether_addr(netdev->perm_addr)) {
+				printk(KERN_ERR "%s: Bad MAC address "
+				       "%02x:%02x:%02x:%02x:%02x:%02x.\n",
+				       netxen_nic_driver_name,
+				       netdev->dev_addr[0],
+				       netdev->dev_addr[1],
+				       netdev->dev_addr[2],
+				       netdev->dev_addr[3],
+				       netdev->dev_addr[4],
+				       netdev->dev_addr[5]);
+			} else {
+				if (adapter->ops->macaddr_set)
+					adapter->ops->macaddr_set(port,
+								  netdev->
+								  dev_addr);
+			}
+		}
+		INIT_WORK(&adapter->tx_timeout_task,
+			  (void (*)(void *))netxen_tx_timeout_task, netdev);
+		netif_carrier_off(netdev);
+		netif_stop_queue(netdev);
+
+		if ((err = register_netdev(netdev))) {
+			printk(KERN_ERR "%s: register_netdev failed port #%d"
+			       " aborting\n", netxen_nic_driver_name, i + 1);
+			err = -EIO;
+			free_netdev(netdev);
+			goto err_out_free_dev;
+		}
+		adapter->port_count++;
+		adapter->active_ports = 0;
+		adapter->port[i] = port;
+	}
+
+	/*
+	 * Initialize all the CRB registers here.
+	 */
+	/* Window = 1 */
+	writel(0, NETXEN_CRB_NORMALIZE(adapter, CRB_CMD_PRODUCER_OFFSET));
+	writel(0, NETXEN_CRB_NORMALIZE(adapter, CRB_CMD_CONSUMER_OFFSET));
+	writel(0, NETXEN_CRB_NORMALIZE(adapter, CRB_HOST_CMD_ADDR_LO));
+
+	netxen_phantom_init(adapter);
+	/*
+	 * delay a while to ensure that the Pegs are up & running.
+	 * Otherwise, we might see some flaky behaviour.
+	 */
+	udelay(100);
+
+	switch (adapter->ahw.board_type) {
+	case NETXEN_NIC_GBE:
+		printk("%s: QUAD GbE board initialized\n",
+		       netxen_nic_driver_name);
+		break;
+
+	case NETXEN_NIC_XGBE:
+		printk("%s: XGbE board initialized\n", netxen_nic_driver_name);
+		break;
+	}
+
+	adapter->driver_mismatch = 0;
+
+	return 0;
+
+      err_out_free_dev:
+	if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
+		pci_disable_msi(pdev);
+	for (i = 0; i < adapter->port_count; i++) {
+		port = adapter->port[i];
+		if ((port) && (port->netdev)) {
+			unregister_netdev(port->netdev);
+			free_netdev(port->netdev);
+		}
+	}
+	kfree(adapter->ops);
+
+      err_out_free_rx_buffer:
+	for (i = 0; i < MAX_RCV_CTX; ++i) {
+		recv_ctx = &adapter->recv_ctx[i];
+		for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
+			rcv_desc = &recv_ctx->rcv_desc[ring];
+			if (rcv_desc->rx_buf_arr != NULL) {
+				vfree(rcv_desc->rx_buf_arr);
+				rcv_desc->rx_buf_arr = NULL;
+			}
+		}
+	}
+
+	vfree(cmd_buf_arr);
+
+	kfree(adapter->port);
+
+      err_out_free_adapter:
+	pci_set_drvdata(pdev, NULL);
+	kfree(adapter);
+
+      err_out_iounmap:
+	iounmap(mem_ptr);
+      err_out_free_res:
+	pci_release_regions(pdev);
+      err_out_disable_pdev:
+	pci_disable_device(pdev);
+	return err;
+}
+
+static void __devexit netxen_nic_remove(struct pci_dev *pdev)
+{
+	struct netxen_adapter *adapter;
+	struct netxen_port *port;
+	struct netxen_rx_buffer *buffer;
+	struct netxen_recv_context *recv_ctx;
+	struct netxen_rcv_desc_ctx *rcv_desc;
+	int i;
+	int ctxid, ring;
+
+	adapter = pci_get_drvdata(pdev);
+	if (adapter == NULL)
+		return;
+
+	netxen_nic_stop_all_ports(adapter);
+	/* leave the hw in the same state as reboot */
+	netxen_pinit_from_rom(adapter, 0);
+	udelay(500);
+	netxen_load_firmware(adapter);
+
+	if ((adapter->flags & NETXEN_NIC_MSI_ENABLED))
+		netxen_nic_disable_int(adapter);
+
+	udelay(500);		/* Delay for a while to drain the DMA engines */
+	for (i = 0; i < adapter->port_count; i++) {
+		port = adapter->port[i];
+		if ((port) && (port->netdev)) {
+			unregister_netdev(port->netdev);
+			free_netdev(port->netdev);
+		}
+	}
+
+	if ((adapter->flags & NETXEN_NIC_MSI_ENABLED))
+		pci_disable_msi(pdev);
+	pci_set_drvdata(pdev, NULL);
+	if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC)
+		netxen_free_hw_resources(adapter);
+
+	iounmap(adapter->ahw.pci_base);
+
+	pci_release_regions(pdev);
+	pci_disable_device(pdev);
+
+	for (ctxid = 0; ctxid < MAX_RCV_CTX; ++ctxid) {
+		recv_ctx = &adapter->recv_ctx[ctxid];
+		for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
+			rcv_desc = &recv_ctx->rcv_desc[ring];
+			for (i = 0; i < rcv_desc->max_rx_desc_count; ++i) {
+				buffer = &(rcv_desc->rx_buf_arr[i]);
+				if (buffer->state == NETXEN_BUFFER_FREE)
+					continue;
+				pci_unmap_single(pdev, buffer->dma,
+						 rcv_desc->dma_size,
+						 PCI_DMA_FROMDEVICE);
+				if (buffer->skb != NULL)
+					dev_kfree_skb_any(buffer->skb);
+			}
+			vfree(rcv_desc->rx_buf_arr);
+		}
+	}
+
+	vfree(adapter->cmd_buf_arr);
+	kfree(adapter->ops);
+	kfree(adapter);
+}
+
+/*
+ * Called when a network interface is made active
+ * @returns 0 on success, negative value on failure
+ */
+static int netxen_nic_open(struct net_device *netdev)
+{
+	struct netxen_port *port = netdev_priv(netdev);
+	struct netxen_adapter *adapter = port->adapter;
+	struct netxen_rcv_desc_ctx *rcv_desc;
+	int err = 0;
+	int ctx, ring;
+
+	if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) {
+		err = netxen_init_firmware(adapter);
+		if (err != 0) {
+			printk(KERN_ERR "Failed to init firmware\n");
+			return -EIO;
+		}
+		netxen_nic_flash_print(adapter);
+
+		/* setup all the resources for the Phantom... */
+		/* this include the descriptors for rcv, tx, and status */
+		netxen_nic_clear_stats(adapter);
+		err = netxen_nic_hw_resources(adapter);
+		if (err) {
+			printk(KERN_ERR "Error in setting hw resources:%d\n",
+			       err);
+			return err;
+		}
+		if (adapter->ops->init_port
+		    && adapter->ops->init_port(adapter, port->portnum) != 0) {
+			printk(KERN_ERR "%s: Failed to initialize port %d\n",
+			       netxen_nic_driver_name, port->portnum);
+			netxen_free_hw_resources(adapter);
+			return -EIO;
+		}
+		if (adapter->ops->init_niu)
+			adapter->ops->init_niu(adapter);
+		for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
+			for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
+				rcv_desc =
+				    &adapter->recv_ctx[ctx].rcv_desc[ring];
+				netxen_post_rx_buffers(adapter, ctx, ring);
+			}
+		}
+		adapter->is_up = NETXEN_ADAPTER_UP_MAGIC;
+	}
+	adapter->active_ports++;
+	if (adapter->active_ports == 1) {
+		err = request_irq(adapter->ahw.pdev->irq, &netxen_intr,
+				  SA_SHIRQ | SA_SAMPLE_RANDOM, netdev->name,
+				  adapter);
+		if (err) {
+			printk(KERN_ERR "request_irq failed with: %d\n", err);
+			adapter->active_ports--;
+			return err;
+		}
+		adapter->irq = adapter->ahw.pdev->irq;
+		if (!adapter->driver_mismatch)
+			mod_timer(&adapter->watchdog_timer, jiffies);
+
+		netxen_nic_enable_int(adapter);
+	}
+
+	/* Done here again so that even if phantom sw overwrote it,
+	 * we set it */
+	if (adapter->ops->macaddr_set)
+		adapter->ops->macaddr_set(port, netdev->dev_addr);
+	netxen_nic_set_link_parameters(port);
+
+	netxen_nic_set_multi(netdev);
+	if (!adapter->driver_mismatch)
+		netif_start_queue(netdev);
+
+	return 0;
+}
+
+/*
+ * netxen_nic_close - Disables a network interface entry point
+ */
+static int netxen_nic_close(struct net_device *netdev)
+{
+	struct netxen_port *port = netdev_priv(netdev);
+	struct netxen_adapter *adapter = port->adapter;
+	int i, j;
+	struct netxen_cmd_buffer *cmd_buff;
+	struct netxen_skb_frag *buffrag;
+
+	netif_carrier_off(netdev);
+	netif_stop_queue(netdev);
+
+	/* disable phy_ints */
+	if (adapter->ops->disable_phy_interrupts)
+		adapter->ops->disable_phy_interrupts(adapter, port->portnum);
+
+	adapter->active_ports--;
+
+	if (!adapter->active_ports) {
+		netxen_nic_disable_int(adapter);
+		if (adapter->irq)
+			free_irq(adapter->irq, adapter);
+		cmd_buff = adapter->cmd_buf_arr;
+		for (i = 0; i < adapter->max_tx_desc_count; i++) {
+			buffrag = cmd_buff->frag_array;
+			if (buffrag->dma) {
+				pci_unmap_single(port->pdev, buffrag->dma,
+						 buffrag->length,
+						 PCI_DMA_TODEVICE);
+				buffrag->dma = (u64) NULL;
+			}
+			for (j = 0; j < cmd_buff->frag_count; j++) {
+				buffrag++;
+				if (buffrag->dma) {
+					pci_unmap_page(port->pdev,
+						       buffrag->dma,
+						       buffrag->length,
+						       PCI_DMA_TODEVICE);
+					buffrag->dma = (u64) NULL;
+				}
+			}
+			/* Free the skb we received in netxen_nic_xmit_frame */
+			if (cmd_buff->skb) {
+				dev_kfree_skb_any(cmd_buff->skb);
+				cmd_buff->skb = NULL;
+			}
+			cmd_buff++;
+		}
+		del_timer_sync(&adapter->watchdog_timer);
+	}
+
+	return 0;
+}
+
+static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
+{
+	struct netxen_port *port = netdev_priv(netdev);
+	struct netxen_adapter *adapter = port->adapter;
+	struct netxen_hardware_context *hw = &adapter->ahw;
+	unsigned int first_seg_len = skb->len - skb->data_len;
+	struct netxen_skb_frag *buffrag;
+	unsigned int i;
+
+	u32 producer = 0;
+	u32 saved_producer = 0;
+	struct cmd_desc_type0 *hwdesc;
+	int k;
+	struct netxen_cmd_buffer *pbuf = NULL;
+	unsigned int tries = 0;
+	static int dropped_packet = 0;
+	int frag_count;
+	u32 local_producer = 0;
+	u32 max_tx_desc_count = 0;
+	u32 last_cmd_consumer = 0;
+	int no_of_desc;
+
+	port->stats.xmitcalled++;
+	frag_count = skb_shinfo(skb)->nr_frags + 1;
+
+	if (unlikely(skb->len <= 0)) {
+		dev_kfree_skb_any(skb);
+		port->stats.badskblen++;
+		return NETDEV_TX_OK;
+	}
+
+	if (frag_count > MAX_BUFFERS_PER_CMD) {
+		printk("%s: %s netxen_nic_xmit_frame: frag_count (%d)"
+		       "too large, can handle only %d frags\n",
+		       netxen_nic_driver_name, netdev->name,
+		       frag_count, MAX_BUFFERS_PER_CMD);
+		port->stats.txdropped++;
+		if ((++dropped_packet & 0xff) == 0xff)
+			printk("%s: %s droppped packets = %d\n",
+			       netxen_nic_driver_name, netdev->name,
+			       dropped_packet);
+
+		return NETDEV_TX_OK;
+	}
+
+	/*
+	 * Everything is set up. Now, we just need to transmit it out.
+	 * Note that we have to copy the contents of buffer over to
+	 * right place. Later on, this can be optimized out by de-coupling the
+	 * producer index from the buffer index.
+	 */
+      retry_getting_window:
+	spin_lock_bh(&adapter->tx_lock);
+	if (adapter->total_threads == MAX_XMIT_PRODUCERS) {
+		spin_unlock_bh(&adapter->tx_lock);
+		/*
+		 * Yield CPU
+		 */
+		if (!in_atomic())
+			schedule();
+		else {
+			for (i = 0; i < 20; i++)
+				cpu_relax();	/*This a nop instr on i386 */
+		}
+		goto retry_getting_window;
+	}
+	local_producer = adapter->cmd_producer;
+	/* There 4 fragments per descriptor */
+	no_of_desc = (frag_count + 3) >> 2;
+	if (skb_shinfo(skb)->gso_size > 0) {
+		no_of_desc++;
+		if (((skb->nh.iph)->ihl * sizeof(u32)) +
+		    ((skb->h.th)->doff * sizeof(u32)) +
+		    sizeof(struct ethhdr) >
+		    (sizeof(struct cmd_desc_type0) - NET_IP_ALIGN)) {
+			no_of_desc++;
+		}
+	}
+	k = adapter->cmd_producer;
+	max_tx_desc_count = adapter->max_tx_desc_count;
+	last_cmd_consumer = adapter->last_cmd_consumer;
+	if ((k + no_of_desc) >=
+	    ((last_cmd_consumer <= k) ? last_cmd_consumer + max_tx_desc_count :
+	     last_cmd_consumer)) {
+		spin_unlock_bh(&adapter->tx_lock);
+		if (tries == 0) {
+			local_bh_disable();
+			netxen_process_cmd_ring((unsigned long)adapter);
+			local_bh_enable();
+			++tries;
+			goto retry_getting_window;
+		} else {
+			port->stats.nocmddescriptor++;
+			DPRINTK(ERR, "No command descriptors available,"
+				" producer = %d, consumer = %d count=%llu,"
+				" dropping packet\n", producer,
+				adapter->last_cmd_consumer,
+				port->stats.nocmddescriptor);
+
+			spin_lock_bh(&adapter->tx_lock);
+			netif_stop_queue(netdev);
+			port->flags |= NETXEN_NETDEV_STATUS;
+			spin_unlock_bh(&adapter->tx_lock);
+			return NETDEV_TX_BUSY;
+		}
+	}
+	k = get_index_range(k, max_tx_desc_count, no_of_desc);
+	adapter->cmd_producer = k;
+	adapter->total_threads++;
+	adapter->num_threads++;
+
+	spin_unlock_bh(&adapter->tx_lock);
+	/* Copy the descriptors into the hardware    */
+	producer = local_producer;
+	saved_producer = producer;
+	hwdesc = &hw->cmd_desc_head[producer];
+	memset(hwdesc, 0, sizeof(struct cmd_desc_type0));
+	/* Take skb->data itself */
+	pbuf = &adapter->cmd_buf_arr[producer];
+	if (skb_shinfo(skb)->gso_size > 0) {
+		pbuf->mss = skb_shinfo(skb)->gso_size;
+		hwdesc->mss = skb_shinfo(skb)->gso_size;
+	} else {
+		pbuf->mss = 0;
+		hwdesc->mss = 0;
+	}
+	pbuf->no_of_descriptors = no_of_desc;
+	pbuf->total_length = skb->len;
+	pbuf->skb = skb;
+	pbuf->cmd = TX_ETHER_PKT;
+	pbuf->frag_count = frag_count;
+	pbuf->port = port->portnum;
+	buffrag = &pbuf->frag_array[0];
+	buffrag->dma = pci_map_single(port->pdev, skb->data, first_seg_len,
+				      PCI_DMA_TODEVICE);
+	buffrag->length = first_seg_len;
+	CMD_DESC_TOTAL_LENGTH_WRT(hwdesc, skb->len);
+	hwdesc->num_of_buffers = frag_count;
+	hwdesc->opcode = TX_ETHER_PKT;
+
+	CMD_DESC_PORT_WRT(hwdesc, port->portnum);
+	hwdesc->buffer1_length = cpu_to_le16(first_seg_len);
+	hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma);
+
+	for (i = 1, k = 1; i < frag_count; i++, k++) {
+		struct skb_frag_struct *frag;
+		int len, temp_len;
+		unsigned long offset;
+		dma_addr_t temp_dma;
+
+		/* move to next desc. if there is a need */
+		if ((i & 0x3) == 0) {
+			k = 0;
+			producer = get_next_index(producer,
+						  adapter->max_tx_desc_count);
+			hwdesc = &hw->cmd_desc_head[producer];
+			memset(hwdesc, 0, sizeof(struct cmd_desc_type0));
+		}
+		frag = &skb_shinfo(skb)->frags[i - 1];
+		len = frag->size;
+		offset = frag->page_offset;
+
+		temp_len = len;
+		temp_dma = pci_map_page(port->pdev, frag->page, offset,
+					len, PCI_DMA_TODEVICE);
+
+		buffrag++;
+		buffrag->dma = temp_dma;
+		buffrag->length = temp_len;
+
+		DPRINTK(INFO, "for loop. i=%d k=%d\n", i, k);
+		switch (k) {
+		case 0:
+			hwdesc->buffer1_length = cpu_to_le16(temp_len);
+			hwdesc->addr_buffer1 = cpu_to_le64(temp_dma);
+			break;
+		case 1:
+			hwdesc->buffer2_length = cpu_to_le16(temp_len);
+			hwdesc->addr_buffer2 = cpu_to_le64(temp_dma);
+			break;
+		case 2:
+			hwdesc->buffer3_length = cpu_to_le16(temp_len);
+			hwdesc->addr_buffer3 = cpu_to_le64(temp_dma);
+			break;
+		case 3:
+			hwdesc->buffer4_length = temp_len;
+			hwdesc->addr_buffer4 = cpu_to_le64(temp_dma);
+			break;
+		}
+		frag++;
+	}
+	producer = get_next_index(producer, adapter->max_tx_desc_count);
+
+	/* might change opcode to TX_TCP_LSO */
+	netxen_tso_check(adapter, &hw->cmd_desc_head[saved_producer], skb);
+
+	/* For LSO, we need to copy the MAC/IP/TCP headers into
+	 * the descriptor ring
+	 */
+	if (hw->cmd_desc_head[saved_producer].opcode == TX_TCP_LSO) {
+		int hdr_len, first_hdr_len, more_hdr;
+		hdr_len = hw->cmd_desc_head[saved_producer].total_hdr_length;
+		if (hdr_len > (sizeof(struct cmd_desc_type0) - NET_IP_ALIGN)) {
+			first_hdr_len =
+			    sizeof(struct cmd_desc_type0) - NET_IP_ALIGN;
+			more_hdr = 1;
+		} else {
+			first_hdr_len = hdr_len;
+			more_hdr = 0;
+		}
+		/* copy the MAC/IP/TCP headers to the cmd descriptor list */
+		hwdesc = &hw->cmd_desc_head[producer];
+
+		/* copy the first 64 bytes */
+		memcpy(((void *)hwdesc) + NET_IP_ALIGN,
+		       (void *)(skb->data), first_hdr_len);
+		producer = get_next_index(producer, max_tx_desc_count);
+
+		if (more_hdr) {
+			hwdesc = &hw->cmd_desc_head[producer];
+			/* copy the next 64 bytes - should be enough except
+			 * for pathological case
+			 */
+			memcpy((void *)hwdesc, (void *)(skb->data) +
+			       first_hdr_len, hdr_len - first_hdr_len);
+			producer = get_next_index(producer, max_tx_desc_count);
+		}
+	}
+	spin_lock_bh(&adapter->tx_lock);
+	port->stats.txbytes +=
+	    CMD_DESC_TOTAL_LENGTH(&hw->cmd_desc_head[saved_producer]);
+	/* Code to update the adapter considering how many producer threads
+	   are currently working */
+	if ((--adapter->num_threads) == 0) {
+		/* This is the last thread */
+		u32 crb_producer = adapter->cmd_producer;
+		writel(crb_producer,
+		       NETXEN_CRB_NORMALIZE(adapter, CRB_CMD_PRODUCER_OFFSET));
+		wmb();
+		adapter->total_threads = 0;
+	} else {
+		u32 crb_producer = 0;
+		crb_producer =
+		    readl(NETXEN_CRB_NORMALIZE
+			  (adapter, CRB_CMD_PRODUCER_OFFSET));
+		if (crb_producer == local_producer) {
+			crb_producer = get_index_range(crb_producer,
+						       max_tx_desc_count,
+						       no_of_desc);
+			writel(crb_producer,
+			       NETXEN_CRB_NORMALIZE(adapter,
+						    CRB_CMD_PRODUCER_OFFSET));
+			wmb();
+		}
+	}
+
+	port->stats.xmitfinished++;
+	spin_unlock_bh(&adapter->tx_lock);
+
+	netdev->trans_start = jiffies;
+
+	DPRINTK(INFO, "wrote CMD producer %x to phantom\n", producer);
+
+	DPRINTK(INFO, "Done. Send\n");
+	return NETDEV_TX_OK;
+}
+
+static void netxen_watchdog(unsigned long v)
+{
+	struct netxen_adapter *adapter = (struct netxen_adapter *)v;
+	schedule_work(&adapter->watchdog_task);
+}
+
+static void netxen_tx_timeout(struct net_device *netdev)
+{
+	struct netxen_port *port = (struct netxen_port *)netdev_priv(netdev);
+	struct netxen_adapter *adapter = port->adapter;
+
+	schedule_work(&adapter->tx_timeout_task);
+}
+
+static void netxen_tx_timeout_task(struct net_device *netdev)
+{
+	struct netxen_port *port = (struct netxen_port *)netdev_priv(netdev);
+	unsigned long flags;
+
+	printk(KERN_ERR "%s %s: transmit timeout, resetting.\n",
+	       netxen_nic_driver_name, netdev->name);
+
+	spin_lock_irqsave(&port->adapter->lock, flags);
+	netxen_nic_close(netdev);
+	netxen_nic_open(netdev);
+	spin_unlock_irqrestore(&port->adapter->lock, flags);
+	netdev->trans_start = jiffies;
+	netif_wake_queue(netdev);
+}
+
+static int
+netxen_handle_int(struct netxen_adapter *adapter, struct net_device *netdev)
+{
+	u32 ret = 0;
+
+	DPRINTK(INFO, "Entered handle ISR\n");
+
+	adapter->stats.ints++;
+
+	if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) {
+		int count = 0;
+		u32 mask;
+		netxen_nic_disable_int(adapter);
+		/* Window = 0 or 1 */
+		do {
+			writel(0xffffffff, (void __iomem *)
+			       (adapter->ahw.pci_base + ISR_INT_TARGET_STATUS));
+			mask = readl((void __iomem *)
+				     (adapter->ahw.pci_base + ISR_INT_VECTOR));
+		} while (((mask & 0x80) != 0) && (++count < 32));
+		if ((mask & 0x80) != 0)
+			printk("Could not disable interrupt completely\n");
+
+	}
+	adapter->stats.hostints++;
+
+	if (netxen_nic_rx_has_work(adapter) || netxen_nic_tx_has_work(adapter)) {
+		if (netif_rx_schedule_prep(netdev)) {
+			/*
+			 * Interrupts are already disabled.
+			 */
+			__netif_rx_schedule(netdev);
+		} else {
+			static unsigned int intcount = 0;
+			if ((++intcount & 0xfff) == 0xfff)
+				printk(KERN_ERR
+				       "%s: %s interrupt %d while in poll\n",
+				       netxen_nic_driver_name, netdev->name,
+				       intcount);
+		}
+		ret = 1;
+	}
+
+	if (ret == 0) {
+		netxen_nic_enable_int(adapter);
+	}
+
+	return ret;
+}
+
+/*
+ * netxen_intr - Interrupt Handler
+ * @irq: interrupt number
+ * data points to adapter stucture (which may be handling more than 1 port
+ */
+irqreturn_t netxen_intr(int irq, void *data, struct pt_regs * regs)
+{
+	struct netxen_adapter *adapter;
+	struct netxen_port *port;
+	struct net_device *netdev;
+	int i;
+
+	if (unlikely(!irq)) {
+		return IRQ_NONE;	/* Not our interrupt */
+	}
+
+	adapter = (struct netxen_adapter *)data;
+	for (i = 0; i < adapter->ahw.max_ports; i++) {
+		port = adapter->port[i];
+		netdev = port->netdev;
+
+		/* process our status queue (for all 4 ports) */
+		netxen_handle_int(adapter, netdev);
+	}
+
+	return IRQ_HANDLED;
+}
+
+static int netxen_nic_poll(struct net_device *netdev, int *budget)
+{
+	struct netxen_port *port = (struct netxen_port *)netdev_priv(netdev);
+	struct netxen_adapter *adapter = port->adapter;
+	int work_to_do = min(*budget, netdev->quota);
+	int done = 1;
+	int ctx;
+	int this_work_done;
+
+	DPRINTK(INFO, "polling for %d descriptors\n", *budget);
+	port->stats.polled++;
+
+	adapter->work_done = 0;
+	for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
+		/*
+		 * Fairness issue. This will give undue weight to the
+		 * receive context 0.
+		 */
+
+		/*
+		 * To avoid starvation, we give each of our receivers,
+		 * a fraction of the quota. Sometimes, it might happen that we
+		 * have enough quota to process every packet, but since all the
+		 * packets are on one context, it gets only half of the quota,
+		 * and ends up not processing it.
+		 */
+		this_work_done = netxen_process_rcv_ring(adapter, ctx,
+							 work_to_do /
+							 MAX_RCV_CTX);
+		adapter->work_done += this_work_done;
+	}
+
+	netdev->quota -= adapter->work_done;
+	*budget -= adapter->work_done;
+
+	if (adapter->work_done >= work_to_do
+	    && netxen_nic_rx_has_work(adapter) != 0)
+		done = 0;
+
+	netxen_process_cmd_ring((unsigned long)adapter);
+
+	DPRINTK(INFO, "new work_done: %d work_to_do: %d\n",
+		adapter->work_done, work_to_do);
+	if (done) {
+		netif_rx_complete(netdev);
+		netxen_nic_enable_int(adapter);
+	}
+
+	return (done ? 0 : 1);
+}
+
+#ifdef CONFIG_NET_POLL_CONTROLLER
+static void netxen_nic_poll_controller(struct net_device *netdev)
+{
+	struct netxen_port *port = netdev_priv(netdev);
+	struct netxen_adapter *adapter = port->adapter;
+	disable_irq(adapter->irq);
+	netxen_intr(adapter->irq, adapter, NULL);
+	enable_irq(adapter->irq);
+}
+#endif
+/*
+ * netxen_nic_ioctl ()    We provide the tcl/phanmon support through these
+ * ioctls.
+ */
+static int
+netxen_nic_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
+{
+	int err = 0;
+	struct netxen_port *port = netdev_priv(netdev);
+	struct netxen_adapter *adapter = port->adapter;
+
+	DPRINTK(INFO, "doing ioctl for %s\n", netdev->name);
+	switch (cmd) {
+	case NETXEN_NIC_CMD:
+		err = netxen_nic_do_ioctl(adapter, (void *)ifr->ifr_data, port);
+		break;
+
+	case NETXEN_NIC_NAME:
+		DPRINTK(INFO, "ioctl cmd for NetXen\n");
+		if (ifr->ifr_data) {
+			put_user(port->portnum, (u16 __user *) ifr->ifr_data);
+		}
+		break;
+
+	default:
+		DPRINTK(INFO, "ioctl cmd %x not supported\n", cmd);
+		err = -EOPNOTSUPP;
+		break;
+	}
+
+	return err;
+}
+
+static struct pci_driver netxen_driver = {
+	.name = netxen_nic_driver_name,
+	.id_table = netxen_pci_tbl,
+	.probe = netxen_nic_probe,
+	.remove = __devexit_p(netxen_nic_remove)
+};
+
+/* Driver Registration on NetXen card    */
+
+static int __init netxen_init_module(void)
+{
+	printk(KERN_INFO "%s \n", netxen_nic_driver_string);
+
+	return pci_module_init(&netxen_driver);
+}
+
+module_init(netxen_init_module);
+
+static void __exit netxen_exit_module(void)
+{
+	/*
+	 * Wait for some time to allow the dma to drain, if any.
+	 */
+	mdelay(5);
+	pci_unregister_driver(&netxen_driver);
+}
+
+module_exit(netxen_exit_module);

drivers/net/netxen/netxen_nic_niu.c

+/*
+ * Copyright (C) 2003 - 2006 NetXen, Inc.
+ * 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 LICENSE.
+ * 
+ * Contact Information:
+ *    info@netxen.com
+ * NetXen,
+ * 3965 Freedom Circle, Fourth floor,
+ * Santa Clara, CA 95054
+ *
+ *
+ * Provides access to the Network Interface Unit h/w block.
+ *
+ */
+
+#include "netxen_nic.h"
+#include <linux/delay.h>
+
+/* 
+ * netxen_niu_gbe_phy_read - read a register from the GbE PHY via
+ * mii management interface.
+ *
+ * Note: The MII management interface goes through port 0.
+ *       Individual phys are addressed as follows:
+ * @param phy  [15:8]  phy id
+ * @param reg  [7:0]   register number
+ *
+ * @returns  0 on success
+ *          -1 on error
+ *
+ */
+int netxen_niu_gbe_phy_read(struct netxen_adapter *adapter, long phy,
+			    long reg, __le32 * readval)
+{
+	long timeout = 0;
+	long result = 0;
+	long restore = 0;
+	__le32 address;
+	__le32 command;
+	__le32 status;
+	__le32 mii_cfg;
+	__le32 mac_cfg0;
+
+	/* MII mgmt all goes through port 0 MAC interface, so it cannot be in reset */
+	if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(0),
+				  &mac_cfg0, 4))
+		return -EIO;
+	if (netxen_gb_get_soft_reset(mac_cfg0)) {
+		__le32 temp;
+		temp = 0;
+		netxen_gb_tx_reset_pb(temp);
+		netxen_gb_rx_reset_pb(temp);
+		netxen_gb_tx_reset_mac(temp);
+		netxen_gb_rx_reset_mac(temp);
+		if (netxen_nic_hw_write_wx(adapter,
+					   NETXEN_NIU_GB_MAC_CONFIG_0(0),
+					   &temp, 4))
+			return -EIO;
+		restore = 1;
+	}
+
+	/* reset MII management interface */
+	mii_cfg = 0;
+	netxen_gb_set_mii_mgmt_clockselect(mii_cfg, 7);
+	netxen_gb_mii_mgmt_reset(mii_cfg);
+	if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_CONFIG(0),
+				   &mii_cfg, 4))
+		return -EIO;
+	netxen_gb_mii_mgmt_unset(mii_cfg);
+	if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_CONFIG(0),
+				   &mii_cfg, 4))
+		return -EIO;
+
+	address = 0;
+	netxen_gb_mii_mgmt_reg_addr(address, reg);
+	netxen_gb_mii_mgmt_phy_addr(address, phy);
+	if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_ADDR(0),
+				   &address, 4))
+		return -EIO;
+	command = 0;		/* turn off any prior activity */
+	if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_COMMAND(0),
+				   &command, 4))
+		return -EIO;
+	/* send read command */
+	netxen_gb_mii_mgmt_set_read_cycle(command);
+	if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_COMMAND(0),
+				   &command, 4))
+		return -EIO;
+
+	status = 0;
+	do {
+		if (netxen_nic_hw_read_wx(adapter,
+					  NETXEN_NIU_GB_MII_MGMT_INDICATE(0),
+					  &status, 4))
+			return -EIO;
+		timeout++;
+	} while ((netxen_get_gb_mii_mgmt_busy(status)
+		  || netxen_get_gb_mii_mgmt_notvalid(status))
+		 && (timeout++ < NETXEN_NIU_PHY_WAITMAX));
+
+	if (timeout < NETXEN_NIU_PHY_WAITMAX) {
+		if (netxen_nic_hw_read_wx(adapter,
+					  NETXEN_NIU_GB_MII_MGMT_STATUS(0),
+					  readval, 4))
+			return -EIO;
+		result = 0;
+	} else
+		result = -1;
+
+	if (restore)
+		if (netxen_nic_hw_write_wx(adapter,
+					   NETXEN_NIU_GB_MAC_CONFIG_0(0),
+					   &mac_cfg0, 4))
+			return -EIO;
+
+	return result;
+}
+
+/* 
+ * netxen_niu_gbe_phy_write - write a register to the GbE PHY via
+ * mii management interface.
+ *
+ * Note: The MII management interface goes through port 0.
+ *       Individual phys are addressed as follows:
+ * @param phy      [15:8]  phy id
+ * @param reg      [7:0]   register number
+ *
+ * @returns  0 on success
+ *          -1 on error
+ *
+ */
+int netxen_niu_gbe_phy_write(struct netxen_adapter *adapter,
+			     long phy, long reg, __le32 val)
+{
+	long timeout = 0;
+	long result = 0;
+	long restore = 0;
+	__le32 address;
+	__le32 command;
+	__le32 status;
+	__le32 mac_cfg0;
+
+	/* MII mgmt all goes through port 0 MAC interface, so it cannot be in reset */
+	if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(0),
+				  &mac_cfg0, 4))
+		return -EIO;
+	if (netxen_gb_get_soft_reset(mac_cfg0)) {
+		__le32 temp;
+		temp = 0;
+		netxen_gb_tx_reset_pb(temp);
+		netxen_gb_rx_reset_pb(temp);
+		netxen_gb_tx_reset_mac(temp);
+		netxen_gb_rx_reset_mac(temp);
+
+		if (netxen_nic_hw_write_wx(adapter,
+					   NETXEN_NIU_GB_MAC_CONFIG_0(0),
+					   &temp, 4))
+			return -EIO;
+		restore = 1;
+	}
+
+	command = 0;		/* turn off any prior activity */
+	if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_COMMAND(0),
+				   &command, 4))
+		return -EIO;
+
+	address = 0;
+	netxen_gb_mii_mgmt_reg_addr(address, reg);
+	netxen_gb_mii_mgmt_phy_addr(address, phy);
+	if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_ADDR(0),
+				   &address, 4))
+		return -EIO;
+
+	if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_CTRL(0),
+				   &val, 4))
+		return -EIO;
+
+	status = 0;
+	do {
+		if (netxen_nic_hw_read_wx(adapter,
+					  NETXEN_NIU_GB_MII_MGMT_INDICATE(0),
+					  &status, 4))
+			return -EIO;
+		timeout++;
+	} while ((netxen_get_gb_mii_mgmt_busy(status))
+		 && (timeout++ < NETXEN_NIU_PHY_WAITMAX));
+
+	if (timeout < NETXEN_NIU_PHY_WAITMAX)
+		result = 0;
+	else
+		result = -EIO;
+
+	/* restore the state of port 0 MAC in case we tampered with it */
+	if (restore)
+		if (netxen_nic_hw_write_wx(adapter,
+					   NETXEN_NIU_GB_MAC_CONFIG_0(0),
+					   &mac_cfg0, 4))
+			return -EIO;
+
+	return result;
+}
+
+int netxen_niu_xgbe_enable_phy_interrupts(struct netxen_adapter *adapter,
+					  int port)
+{
+	netxen_crb_writelit_adapter(adapter, NETXEN_NIU_INT_MASK, 0x3f);
+	return 0;
+}
+
+int netxen_niu_gbe_enable_phy_interrupts(struct netxen_adapter *adapter,
+					 int port)
+{
+	int result = 0;
+	__le32 enable = 0;
+	netxen_set_phy_int_link_status_changed(enable);
+	netxen_set_phy_int_autoneg_completed(enable);
+	netxen_set_phy_int_speed_changed(enable);
+
+	if (0 !=
+	    netxen_niu_gbe_phy_write(adapter, port,
+				     NETXEN_NIU_GB_MII_MGMT_ADDR_INT_ENABLE,
+				     enable))
+		result = -EIO;
+
+	return result;
+}
+
+int netxen_niu_xgbe_disable_phy_interrupts(struct netxen_adapter *adapter,
+					   int port)
+{
+	netxen_crb_writelit_adapter(adapter, NETXEN_NIU_INT_MASK, 0x7f);
+	return 0;
+}
+
+int netxen_niu_gbe_disable_phy_interrupts(struct netxen_adapter *adapter,
+					  int port)
+{
+	int result = 0;
+	if (0 !=
+	    netxen_niu_gbe_phy_write(adapter, port,
+				     NETXEN_NIU_GB_MII_MGMT_ADDR_INT_ENABLE, 0))
+		result = -EIO;
+
+	return result;
+}
+
+int netxen_niu_xgbe_clear_phy_interrupts(struct netxen_adapter *adapter,
+					 int port)
+{
+	netxen_crb_writelit_adapter(adapter, NETXEN_NIU_ACTIVE_INT, -1);
+	return 0;
+}
+
+int netxen_niu_gbe_clear_phy_interrupts(struct netxen_adapter *adapter,
+					int port)
+{
+	int result = 0;
+	if (0 !=
+	    netxen_niu_gbe_phy_write(adapter, port,
+				     NETXEN_NIU_GB_MII_MGMT_ADDR_INT_STATUS,
+				     -EIO))
+		result = -EIO;
+
+	return result;
+}
+
+/* 
+ * netxen_niu_gbe_set_mii_mode- Set 10/100 Mbit Mode for GbE MAC
+ *
+ */
+void netxen_niu_gbe_set_mii_mode(struct netxen_adapter *adapter,
+				 int port, long enable)
+{
+	netxen_crb_writelit_adapter(adapter, NETXEN_NIU_MODE, 0x2);
+	netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port),
+				    0x80000000);
+	netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port),
+				    0x0000f0025);
+	netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB_MAC_CONFIG_1(port),
+				    0xf1ff);
+	netxen_crb_writelit_adapter(adapter,
+				    NETXEN_NIU_GB0_GMII_MODE + (port << 3), 0);
+	netxen_crb_writelit_adapter(adapter,
+				    NETXEN_NIU_GB0_MII_MODE + (port << 3), 1);
+	netxen_crb_writelit_adapter(adapter,
+				    (NETXEN_NIU_GB0_HALF_DUPLEX + port * 4), 0);
+	netxen_crb_writelit_adapter(adapter,
+				    NETXEN_NIU_GB_MII_MGMT_CONFIG(port), 0x7);
+
+	if (enable) {
+		/* 
+		 * Do NOT enable flow control until a suitable solution for 
+		 *  shutting down pause frames is found. 
+		 */
+		netxen_crb_writelit_adapter(adapter,
+					    NETXEN_NIU_GB_MAC_CONFIG_0(port),
+					    0x5);
+	}
+
+	if (netxen_niu_gbe_enable_phy_interrupts(adapter, port))
+		printk(KERN_ERR PFX "ERROR enabling PHY interrupts\n");
+	if (netxen_niu_gbe_clear_phy_interrupts(adapter, port))
+		printk(KERN_ERR PFX "ERROR clearing PHY interrupts\n");
+}
+
+/* 
+ * netxen_niu_gbe_set_gmii_mode- Set GbE Mode for GbE MAC
+ */
+void netxen_niu_gbe_set_gmii_mode(struct netxen_adapter *adapter,
+				  int port, long enable)
+{
+	netxen_crb_writelit_adapter(adapter, NETXEN_NIU_MODE, 0x2);
+	netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port),
+				    0x80000000);
+	netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port),
+				    0x0000f0025);
+	netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB_MAC_CONFIG_1(port),
+				    0xf2ff);
+	netxen_crb_writelit_adapter(adapter,
+				    NETXEN_NIU_GB0_MII_MODE + (port << 3), 0);
+	netxen_crb_writelit_adapter(adapter,
+				    NETXEN_NIU_GB0_GMII_MODE + (port << 3), 1);
+	netxen_crb_writelit_adapter(adapter,
+				    (NETXEN_NIU_GB0_HALF_DUPLEX + port * 4), 0);
+	netxen_crb_writelit_adapter(adapter,
+				    NETXEN_NIU_GB_MII_MGMT_CONFIG(port), 0x7);
+
+	if (enable) {
+		/* 
+		 * Do NOT enable flow control until a suitable solution for 
+		 *  shutting down pause frames is found. 
+		 */
+		netxen_crb_writelit_adapter(adapter,
+					    NETXEN_NIU_GB_MAC_CONFIG_0(port),
+					    0x5);
+	}
+
+	if (netxen_niu_gbe_enable_phy_interrupts(adapter, port))
+		printk(KERN_ERR PFX "ERROR enabling PHY interrupts\n");
+	if (netxen_niu_gbe_clear_phy_interrupts(adapter, port))
+		printk(KERN_ERR PFX "ERROR clearing PHY interrupts\n");
+}
+
+int netxen_niu_gbe_init_port(struct netxen_adapter *adapter, int port)
+{
+	int result = 0;
+	__le32 status;
+	if (adapter->ops->disable_phy_interrupts)
+		adapter->ops->disable_phy_interrupts(adapter, port);
+	mdelay(2);
+
+	if (0 ==
+	    netxen_niu_gbe_phy_read(adapter, port,
+				    NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
+				    (__le32 *) & status)) {
+		if (netxen_get_phy_link(status)) {
+			if (netxen_get_phy_speed(status) == 2) {
+				netxen_niu_gbe_set_gmii_mode(adapter, port, 1);
+			} else if ((netxen_get_phy_speed(status) == 1)
+				   || (netxen_get_phy_speed(status) == 0)) {
+				netxen_niu_gbe_set_mii_mode(adapter, port, 1);
+			} else {
+				result = -1;
+			}
+
+		} else {
+			/* We don't have link. Cable  must be unconnected. */
+			/* Enable phy interrupts so we take action when plugged in */
+			netxen_crb_writelit_adapter(adapter,
+						    NETXEN_NIU_GB_MAC_CONFIG_0
+						    (port), 0x80000000);
+			netxen_crb_writelit_adapter(adapter,
+						    NETXEN_NIU_GB_MAC_CONFIG_0
+						    (port), 0x0000f0025);
+			if (netxen_niu_gbe_clear_phy_interrupts(adapter, port))
+				printk(KERN_ERR PFX
+				       "ERROR clearing PHY interrupts\n");
+			if (netxen_niu_gbe_enable_phy_interrupts(adapter, port))
+				printk(KERN_ERR PFX
+				       "ERROR enabling PHY interrupts\n");
+			if (netxen_niu_gbe_clear_phy_interrupts(adapter, port))
+				printk(KERN_ERR PFX
+				       "ERROR clearing PHY interrupts\n");
+			result = -1;
+		}
+	} else {
+		result = -EIO;
+	}
+	return result;
+}
+
+/* 
+ * netxen_niu_gbe_handle_phy_interrupt - Handles GbE PHY interrupts
+ * @param enable 0 means don't enable the port
+ *               1 means enable (or re-enable) the port
+ */
+int netxen_niu_gbe_handle_phy_interrupt(struct netxen_adapter *adapter,
+					int port, long enable)
+{
+	int result = 0;
+	__le32 int_src;
+
+	printk(KERN_INFO PFX "NETXEN: Handling PHY interrupt on port %d"
+	       " (device enable = %d)\n", (int)port, (int)enable);
+
+	/* The read of the PHY INT status will clear the pending interrupt status */
+	if (netxen_niu_gbe_phy_read(adapter, port,
+				    NETXEN_NIU_GB_MII_MGMT_ADDR_INT_STATUS,
+				    &int_src) != 0)
+		result = -EINVAL;
+	else {
+		printk(KERN_INFO PFX "PHY Interrupt source = 0x%x \n", int_src);
+		if (netxen_get_phy_int_jabber(int_src))
+			printk(KERN_INFO PFX "jabber Interrupt ");
+		if (netxen_get_phy_int_polarity_changed(int_src))
+			printk(KERN_INFO PFX "polarity changed ");
+		if (netxen_get_phy_int_energy_detect(int_src))
+			printk(KERN_INFO PFX "energy detect \n");
+		if (netxen_get_phy_int_downshift(int_src))
+			printk(KERN_INFO PFX "downshift \n");
+		if (netxen_get_phy_int_mdi_xover_changed(int_src))
+			printk(KERN_INFO PFX "mdi_xover_changed ");
+		if (netxen_get_phy_int_fifo_over_underflow(int_src))
+			printk(KERN_INFO PFX "fifo_over_underflow ");
+		if (netxen_get_phy_int_false_carrier(int_src))
+			printk(KERN_INFO PFX "false_carrier ");
+		if (netxen_get_phy_int_symbol_error(int_src))
+			printk(KERN_INFO PFX "symbol_error ");
+		if (netxen_get_phy_int_autoneg_completed(int_src))
+			printk(KERN_INFO PFX "autoneg_completed ");
+		if (netxen_get_phy_int_page_received(int_src))
+			printk(KERN_INFO PFX "page_received ");
+		if (netxen_get_phy_int_duplex_changed(int_src))
+			printk(KERN_INFO PFX "duplex_changed ");
+		if (netxen_get_phy_int_autoneg_error(int_src))
+			printk(KERN_INFO PFX "autoneg_error ");
+		if ((netxen_get_phy_int_speed_changed(int_src))
+		    || (netxen_get_phy_int_link_status_changed(int_src))) {
+			__le32 status;
+
+			printk(KERN_INFO PFX
+			       "speed_changed or link status changed");
+			if (netxen_niu_gbe_phy_read
+			    (adapter, port,
+			     NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
+			     &status) == 0) {
+				if (netxen_get_phy_speed(status) == 2) {
+					printk
+					    (KERN_INFO PFX "Link speed changed"
+					     " to 1000 Mbps\n");
+					netxen_niu_gbe_set_gmii_mode(adapter,
+								     port,
+								     enable);
+				} else if (netxen_get_phy_speed(status) == 1) {
+					printk
+					    (KERN_INFO PFX "Link speed changed"
+					     " to 100 Mbps\n");
+					netxen_niu_gbe_set_mii_mode(adapter,
+								    port,
+								    enable);
+				} else if (netxen_get_phy_speed(status) == 0) {
+					printk
+					    (KERN_INFO PFX "Link speed changed"
+					     " to 10 Mbps\n");
+					netxen_niu_gbe_set_mii_mode(adapter,
+								    port,
+								    enable);
+				} else {
+					printk(KERN_ERR PFX "ERROR reading"
+					       "PHY status. Illegal speed.\n");
+					result = -1;
+				}
+			} else {
+				printk(KERN_ERR PFX
+				       "ERROR reading PHY status.\n");
+				result = -1;
+			}
+
+		}
+		printk(KERN_INFO "\n");
+	}
+	return result;
+}
+
+/*
+ * Return the current station MAC address.
+ * Note that the passed-in value must already be in network byte order.
+ */
+int netxen_niu_macaddr_get(struct netxen_adapter *adapter,
+			   int phy, netxen_ethernet_macaddr_t * addr)
+{
+	u64 result = 0;
+	__le32 stationhigh;
+	__le32 stationlow;
+
+	if (addr == NULL)
+		return -EINVAL;
+	if ((phy < 0) || (phy > 3))
+		return -EINVAL;
+
+	if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_GB_STATION_ADDR_0(phy),
+				  &stationhigh, 4))
+		return -EIO;
+	if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_GB_STATION_ADDR_1(phy),
+				  &stationlow, 4))
+		return -EIO;
+
+	result = (u64) netxen_gb_get_stationaddress_low(stationlow);
+	result |= (u64) stationhigh << 16;
+	memcpy(*addr, &result, sizeof(netxen_ethernet_macaddr_t));
+
+	return 0;
+}
+
+/*
+ * Set the station MAC address.
+ * Note that the passed-in value must already be in network byte order.
+ */
+int netxen_niu_macaddr_set(struct netxen_port *port,
+			   netxen_ethernet_macaddr_t addr)
+{
+	__le32 temp = 0;
+	struct netxen_adapter *adapter = port->adapter;
+	int phy = port->portnum;
+
+	memcpy(&temp, addr, 2);
+	temp <<= 16;
+	if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_STATION_ADDR_1(phy),
+				   &temp, 4))
+		return -EIO;
+
+	temp = 0;
+
+	memcpy(&temp, ((u8 *) addr) + 2, sizeof(__le32));
+	if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_STATION_ADDR_0(phy),
+				   &temp, 4))
+		return -2;
+
+	return 0;
+}
+
+/* Enable a GbE interface */
+int netxen_niu_enable_gbe_port(struct netxen_adapter *adapter,
+			       int port, netxen_niu_gbe_ifmode_t mode)
+{
+	__le32 mac_cfg0;
+	__le32 mac_cfg1;
+	__le32 mii_cfg;
+
+	if ((port < 0) || (port > NETXEN_NIU_MAX_GBE_PORTS))
+		return -EINVAL;
+
+	mac_cfg0 = 0;
+	netxen_gb_soft_reset(mac_cfg0);
+	if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port),
+				   &mac_cfg0, 4))
+		return -EIO;
+	mac_cfg0 = 0;
+	netxen_gb_enable_tx(mac_cfg0);
+	netxen_gb_enable_rx(mac_cfg0);
+	netxen_gb_unset_rx_flowctl(mac_cfg0);
+	netxen_gb_tx_reset_pb(mac_cfg0);
+	netxen_gb_rx_reset_pb(mac_cfg0);
+	netxen_gb_tx_reset_mac(mac_cfg0);
+	netxen_gb_rx_reset_mac(mac_cfg0);
+
+	if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port),
+				   &mac_cfg0, 4))
+		return -EIO;
+	mac_cfg1 = 0;
+	netxen_gb_set_preamblelen(mac_cfg1, 0xf);
+	netxen_gb_set_duplex(mac_cfg1);
+	netxen_gb_set_crc_enable(mac_cfg1);
+	netxen_gb_set_padshort(mac_cfg1);
+	netxen_gb_set_checklength(mac_cfg1);
+	netxen_gb_set_hugeframes(mac_cfg1);
+
+	if (mode == NETXEN_NIU_10_100_MB) {
+		netxen_gb_set_intfmode(mac_cfg1, 1);
+		if (netxen_nic_hw_write_wx(adapter,
+					   NETXEN_NIU_GB_MAC_CONFIG_1(port),
+					   &mac_cfg1, 4))
+			return -EIO;
+
+		/* set mii mode */
+		netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB0_GMII_MODE +
+					    (port << 3), 0);
+		netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB0_MII_MODE +
+					    (port << 3), 1);
+
+	} else if (mode == NETXEN_NIU_1000_MB) {
+		netxen_gb_set_intfmode(mac_cfg1, 2);
+		if (netxen_nic_hw_write_wx(adapter,
+					   NETXEN_NIU_GB_MAC_CONFIG_1(port),
+					   &mac_cfg1, 4))
+			return -EIO;
+		/* set gmii mode */
+		netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB0_MII_MODE +
+					    (port << 3), 0);
+		netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB0_GMII_MODE +
+					    (port << 3), 1);
+	}
+	mii_cfg = 0;
+	netxen_gb_set_mii_mgmt_clockselect(mii_cfg, 7);
+	if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_CONFIG(port),
+				   &mii_cfg, 4))
+		return -EIO;
+	mac_cfg0 = 0;
+	netxen_gb_enable_tx(mac_cfg0);
+	netxen_gb_enable_rx(mac_cfg0);
+	netxen_gb_unset_rx_flowctl(mac_cfg0);
+	netxen_gb_unset_tx_flowctl(mac_cfg0);
+
+	if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port),
+				   &mac_cfg0, 4))
+		return -EIO;
+	return 0;
+}
+
+/* Disable a GbE interface */
+int netxen_niu_disable_gbe_port(struct netxen_adapter *adapter, int port)
+{
+	__le32 mac_cfg0;
+
+	if ((port < 0) || (port > NETXEN_NIU_MAX_GBE_PORTS))
+		return -EINVAL;
+
+	mac_cfg0 = 0;
+	netxen_gb_soft_reset(mac_cfg0);
+	if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port),
+				   &mac_cfg0, 4))
+		return -EIO;
+	return 0;
+}
+
+/* Disable an XG interface */
+int netxen_niu_disable_xg_port(struct netxen_adapter *adapter, int port)
+{
+	__le32 mac_cfg;
+
+	if (port != 0)
+		return -EINVAL;
+
+	mac_cfg = 0;
+	netxen_xg_soft_reset(mac_cfg);
+	if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_XGE_CONFIG_0,
+				   &mac_cfg, 4))
+		return -EIO;
+	return 0;
+}
+
+/* Set promiscuous mode for a GbE interface */
+int netxen_niu_set_promiscuous_mode(struct netxen_adapter *adapter, int port,
+				    netxen_niu_prom_mode_t mode)
+{
+	__le32 reg;
+
+	if ((port < 0) || (port > NETXEN_NIU_MAX_GBE_PORTS))
+		return -EINVAL;
+
+	/* save previous contents */
+	if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_GB_DROP_WRONGADDR,
+				  &reg, 4))
+		return -EIO;
+	if (mode == NETXEN_NIU_PROMISC_MODE) {
+		switch (port) {
+		case 0:
+			netxen_clear_gb_drop_gb0(reg);
+			break;
+		case 1:
+			netxen_clear_gb_drop_gb1(reg);
+			break;
+		case 2:
+			netxen_clear_gb_drop_gb2(reg);
+			break;
+		case 3:
+			netxen_clear_gb_drop_gb3(reg);
+			break;
+		default:
+			return -EIO;
+		}
+	} else {
+		switch (port) {
+		case 0:
+			netxen_set_gb_drop_gb0(reg);
+			break;
+		case 1:
+			netxen_set_gb_drop_gb1(reg);
+			break;
+		case 2:
+			netxen_set_gb_drop_gb2(reg);
+			break;
+		case 3:
+			netxen_set_gb_drop_gb3(reg);
+			break;
+		default:
+			return -EIO;
+		}
+	}
+	if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_DROP_WRONGADDR,
+				   &reg, 4))
+		return -EIO;
+	return 0;
+}
+
+/*
+ * Set the MAC address for an XG port
+ * Note that the passed-in value must already be in network byte order.
+ */
+int netxen_niu_xg_macaddr_set(struct netxen_port *port,
+			      netxen_ethernet_macaddr_t addr)
+{
+	__le32 temp = 0;
+	struct netxen_adapter *adapter = port->adapter;
+
+	memcpy(&temp, addr, 2);
+	temp = cpu_to_le32(temp);
+	temp <<= 16;
+	if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_XGE_STATION_ADDR_0_1,
+				   &temp, 4))
+		return -EIO;
+
+	temp = 0;
+
+	memcpy(&temp, ((u8 *) addr) + 2, sizeof(__le32));
+	temp = cpu_to_le32(temp);
+	if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_XGE_STATION_ADDR_0_HI,
+				   &temp, 4))
+		return -EIO;
+
+	return 0;
+}
+
+/*
+ * Return the current station MAC address.
+ * Note that the passed-in value must already be in network byte order.
+ */
+int netxen_niu_xg_macaddr_get(struct netxen_adapter *adapter, int phy,
+			      netxen_ethernet_macaddr_t * addr)
+{
+	__le32 stationhigh;
+	__le32 stationlow;
+	u64 result;
+
+	if (addr == NULL)
+		return -EINVAL;
+	if (phy != 0)
+		return -EINVAL;
+
+	if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_XGE_STATION_ADDR_0_HI,
+				  &stationhigh, 4))
+		return -EIO;
+	if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_XGE_STATION_ADDR_0_1,
+				  &stationlow, 4))
+		return -EIO;
+
+	result = ((u64) stationlow) >> 16;
+	result |= (u64) stationhigh << 16;
+	memcpy(*addr, &result, sizeof(netxen_ethernet_macaddr_t));
+
+	return 0;
+}
+
+int netxen_niu_xg_set_promiscuous_mode(struct netxen_adapter *adapter,
+				       int port, netxen_niu_prom_mode_t mode)
+{
+	__le32 reg;
+
+	if ((port < 0) || (port > NETXEN_NIU_MAX_GBE_PORTS))
+		return -EINVAL;
+
+	if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_XGE_CONFIG_1, &reg, 4))
+		return -EIO;
+	if (mode == NETXEN_NIU_PROMISC_MODE)
+		reg = (reg | 0x2000UL);
+	else
+		reg = (reg & ~0x2000UL);
+
+	netxen_crb_writelit_adapter(adapter, NETXEN_NIU_XGE_CONFIG_1, reg);
+
+	return 0;
+}

drivers/net/netxen/netxen_nic_phan_reg.h

+/*
+ * Copyright (C) 2003 - 2006 NetXen, Inc.
+ * 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 LICENSE.
+ * 
+ * Contact Information:
+ *    info@netxen.com
+ * NetXen,
+ * 3965 Freedom Circle, Fourth floor,
+ * Santa Clara, CA 95054
+ */
+
+#ifndef __NIC_PHAN_REG_H_
+#define __NIC_PHAN_REG_H_
+
+/* 
+ * CRB Registers or queue message done only at initialization time.
+ */
+
+/*
+ * The following 2 are the base adresses for the CRB registers and their
+ * offsets will be added to get addresses for the index addresses.
+ */
+#define NIC_CRB_BASE_PORT1	NETXEN_CAM_RAM(0x200)
+#define NIC_CRB_BASE_PORT2	NETXEN_CAM_RAM(0x250)
+
+#define NETXEN_NIC_REG(X)	(NIC_CRB_BASE_PORT1+(X))
+
+/*
+ * CrbPortPhanCntrHi/Lo is used to pass the address of HostPhantomIndex address
+ * which can be read by the Phantom host to get producer/consumer indexes from
+ * Phantom/Casper. If it is not HOST_SHARED_MEMORY, then the following
+ * registers will be used for the addresses of the ring's shared memory
+ * on the Phantom.
+ */
+
+#define CRB_PHAN_CNTRL_LO_OFFSET	NETXEN_NIC_REG(0x00)
+#define CRB_PHAN_CNTRL_HI_OFFSET	NETXEN_NIC_REG(0x04)
+
+/* point to the indexes */
+#define CRB_CMD_PRODUCER_OFFSET		NETXEN_NIC_REG(0x08)
+#define CRB_CMD_CONSUMER_OFFSET		NETXEN_NIC_REG(0x0c)
+
+/* address of command descriptors in the host memory */
+#define CRB_HOST_CMD_ADDR_HI		NETXEN_NIC_REG(0x30)
+#define CRB_HOST_CMD_ADDR_LO		NETXEN_NIC_REG(0x34)
+
+/* The following 4 CRB registers are for doing performance coal */
+#define CRB_CMD_INTR_LOOP		NETXEN_NIC_REG(0x38)
+#define CRB_CMD_DMA_LOOP		NETXEN_NIC_REG(0x3c)
+#define CRB_RCV_INTR_LOOP		NETXEN_NIC_REG(0x40)
+#define CRB_RCV_DMA_LOOP		NETXEN_NIC_REG(0x44)
+
+/* Needed by the host to find out the state of Phantom's initialization */
+#define CRB_ENABLE_TX_INTR		NETXEN_NIC_REG(0x4c)
+#define CRB_CMDPEG_STATE		NETXEN_NIC_REG(0x50)
+#define CRB_CMDPEG_CMDRING		NETXEN_NIC_REG(0x54)
+
+/* Interrupt coalescing parameters */
+#define CRB_GLOBAL_INT_COAL		NETXEN_NIC_REG(0x80)
+#define CRB_INT_COAL_MODE		NETXEN_NIC_REG(0x84)
+#define CRB_MAX_RCV_BUFS		NETXEN_NIC_REG(0x88)
+#define CRB_TX_INT_THRESHOLD		NETXEN_NIC_REG(0x8c)
+#define CRB_RX_PKT_TIMER		NETXEN_NIC_REG(0x90)
+#define CRB_TX_PKT_TIMER		NETXEN_NIC_REG(0x94)
+#define CRB_RX_PKT_CNT			NETXEN_NIC_REG(0x98)
+#define CRB_RX_TMR_CNT			NETXEN_NIC_REG(0x9c)
+
+/* Register for communicating XG link status */
+#define CRB_XG_STATE			NETXEN_NIC_REG(0xa0)
+
+/* Debug registers for controlling NIC pkt gen agent */
+#define CRB_AGENT_GO			NETXEN_NIC_REG(0xb0)
+#define CRB_AGENT_TX_SIZE		NETXEN_NIC_REG(0xb4)
+#define CRB_AGENT_TX_TYPE		NETXEN_NIC_REG(0xb8)
+#define CRB_AGENT_TX_ADDR		NETXEN_NIC_REG(0xbc)
+#define CRB_AGENT_TX_MSS		NETXEN_NIC_REG(0xc0)
+
+/* Debug registers for observing NIC performance */
+#define CRB_TX_STATE			NETXEN_NIC_REG(0xd0)
+#define CRB_TX_COUNT			NETXEN_NIC_REG(0xd4)
+#define CRB_RX_STATE			NETXEN_NIC_REG(0xd8)
+
+/* CRB registers per Rcv Descriptor ring */
+struct netxen_rcv_desc_crb {
+	u32 crb_rcv_producer_offset __attribute__ ((aligned(512)));
+	u32 crb_rcv_consumer_offset;
+	u32 crb_globalrcv_ring;
+};
+
+/*
+ * CRB registers used by the receive peg logic. One instance of these
+ * needs to be instantiated per instance of the receive peg.
+ */
+
+struct netxen_recv_crb {
+	struct netxen_rcv_desc_crb rcv_desc_crb[NUM_RCV_DESC_RINGS];
+	u32 crb_rcvstatus_ring;
+	u32 crb_rcv_status_producer;
+	u32 crb_rcv_status_consumer;
+	u32 crb_rcvpeg_state;
+};
+
+#if defined(DEFINE_GLOBAL_RECV_CRB)
+struct netxen_recv_crb recv_crb_registers[] = {
+	/*
+	 * Instance 0.
+	 */
+	{
+	 /* rcv_desc_crb: */
+	 {
+	  {
+	   /* crb_rcv_producer_offset: */
+	   NETXEN_NIC_REG(0x18),
+	   /* crb_rcv_consumer_offset: */
+	   NETXEN_NIC_REG(0x1c),
+	   /* crb_gloablrcv_ring: */
+	   NETXEN_NIC_REG(0x20),
+	   },
+	  /* Jumbo frames */
+	  {
+	   /* crb_rcv_producer_offset: */
+	   NETXEN_NIC_REG(0x100),
+	   /* crb_rcv_consumer_offset: */
+	   NETXEN_NIC_REG(0x104),
+	   /* crb_gloablrcv_ring: */
+	   NETXEN_NIC_REG(0x108),
+	   }
+	  },
+	 /* crb_rcvstatus_ring: */
+	 NETXEN_NIC_REG(0x24),
+	 /* crb_rcv_status_producer: */
+	 NETXEN_NIC_REG(0x28),
+	 /* crb_rcv_status_consumer: */
+	 NETXEN_NIC_REG(0x2c),
+	 /* crb_rcvpeg_state: */
+	 NETXEN_NIC_REG(0x48),
+
+	 },
+	/*
+	 * Instance 1,
+	 */
+	{
+	 /* rcv_desc_crb: */
+	 {
+	  {
+	   /* crb_rcv_producer_offset: */
+	   NETXEN_NIC_REG(0x80),
+	   /* crb_rcv_consumer_offset: */
+	   NETXEN_NIC_REG(0x84),
+	   /* crb_globalrcv_ring: */
+	   NETXEN_NIC_REG(0x88),
+	   },
+	  /* Jumbo frames */
+	  {
+	   /* crb_rcv_producer_offset: */
+	   NETXEN_NIC_REG(0x10C),
+	   /* crb_rcv_consumer_offset: */
+	   NETXEN_NIC_REG(0x110),
+	   /* crb_globalrcv_ring: */
+	   NETXEN_NIC_REG(0x114),
+	   }
+	  },
+	 /* crb_rcvstatus_ring: */
+	 NETXEN_NIC_REG(0x8c),
+	 /* crb_rcv_status_producer: */
+	 NETXEN_NIC_REG(0x90),
+	 /* crb_rcv_status_consumer: */
+	 NETXEN_NIC_REG(0x94),
+	 /* crb_rcvpeg_state: */
+	 NETXEN_NIC_REG(0x98),
+	 },
+};
+#else
+extern struct netxen_recv_crb recv_crb_registers[];
+#endif				/* DEFINE_GLOBAL_RECEIVE_CRB */
+
+#endif				/* __NIC_PHAN_REG_H_ */