Merge branch 'linux-next' of git://git.infradead.org/~dedekind/ubi-2.6

12 files changed, 4551 insertions, 1751 deletions

diff --git a/drivers/net/netxen/Makefile b/drivers/net/netxen/Makefile
index a07cdc6f738..8e7c4c910d2 100644
--- a/drivers/net/netxen/Makefile
+++ b/drivers/net/netxen/Makefile
@@ -32,4 +32,4 @@
 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
+	netxen_nic_ethtool.o netxen_nic_niu.o netxen_nic_ctx.o
diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index da4c4fb9706..8e736614407 100644
--- a/drivers/net/netxen/netxen_nic.h
+++ b/drivers/net/netxen/netxen_nic.h
@@ -54,6 +54,7 @@
 
 #include <linux/mm.h>
 #include <linux/mman.h>
+#include <linux/vmalloc.h>
 
 #include <asm/system.h>
 #include <asm/io.h>
@@ -63,10 +64,12 @@
 
 #include "netxen_nic_hw.h"
 
-#define _NETXEN_NIC_LINUX_MAJOR 3
-#define _NETXEN_NIC_LINUX_MINOR 4
-#define _NETXEN_NIC_LINUX_SUBVERSION 18
-#define NETXEN_NIC_LINUX_VERSIONID  "3.4.18"
+#define _NETXEN_NIC_LINUX_MAJOR 4
+#define _NETXEN_NIC_LINUX_MINOR 0
+#define _NETXEN_NIC_LINUX_SUBVERSION 0
+#define NETXEN_NIC_LINUX_VERSIONID  "4.0.0"
+
+#define NETXEN_VERSION_CODE(a, b, c)	(((a) << 16) + ((b) << 8) + (c))
 
 #define NETXEN_NUM_FLASH_SECTORS (64)
 #define NETXEN_FLASH_SECTOR_SIZE (64 * 1024)
@@ -84,7 +87,7 @@
 #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)
+	(sizeof(struct netxen_rx_buffer) * rds_ring->max_rx_desc_count)
 #define find_diff_among(a,b,range) ((a)<(b)?((b)-(a)):((b)+(range)-(a)))
 
 #define NETXEN_NETDEV_STATUS		0x1
@@ -111,6 +114,13 @@
 
 #define NX_P2_C0		0x24
 #define NX_P2_C1		0x25
+#define NX_P3_A0		0x30
+#define NX_P3_A2		0x30
+#define NX_P3_B0		0x40
+#define NX_P3_B1		0x41
+
+#define NX_IS_REVISION_P2(REVISION)     (REVISION <= NX_P2_C1)
+#define NX_IS_REVISION_P3(REVISION)     (REVISION >= NX_P3_A0)
 
 #define FIRST_PAGE_GROUP_START	0
 #define FIRST_PAGE_GROUP_END	0x100000
@@ -125,6 +135,16 @@
 #define SECOND_PAGE_GROUP_SIZE SECOND_PAGE_GROUP_END - SECOND_PAGE_GROUP_START
 #define THIRD_PAGE_GROUP_SIZE  THIRD_PAGE_GROUP_END - THIRD_PAGE_GROUP_START
 
+#define P2_MAX_MTU                     (8000)
+#define P3_MAX_MTU                     (9600)
+#define NX_ETHERMTU                    1500
+#define NX_MAX_ETHERHDR                32 /* This contains some padding */
+
+#define NX_RX_NORMAL_BUF_MAX_LEN       (NX_MAX_ETHERHDR + NX_ETHERMTU)
+#define NX_P2_RX_JUMBO_BUF_MAX_LEN     (NX_MAX_ETHERHDR + P2_MAX_MTU)
+#define NX_P3_RX_JUMBO_BUF_MAX_LEN     (NX_MAX_ETHERHDR + P3_MAX_MTU)
+#define NX_CT_DEFAULT_RX_BUF_LEN	2048
+
 #define MAX_RX_BUFFER_LENGTH		1760
 #define MAX_RX_JUMBO_BUFFER_LENGTH 	8062
 #define MAX_RX_LRO_BUFFER_LENGTH	((48*1024)-512)
@@ -132,7 +152,6 @@
 #define RX_JUMBO_DMA_MAP_LEN	\
 	(MAX_RX_JUMBO_BUFFER_LENGTH - 2)
 #define RX_LRO_DMA_MAP_LEN		(MAX_RX_LRO_BUFFER_LENGTH - 2)
-#define NETXEN_ROM_ROUNDUP		0x80000000ULL
 
 /*
  * Maximum number of ring contexts
@@ -140,16 +159,16 @@
 #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
-};
+#define TX_ETHER_PKT	0x01
+#define TX_TCP_PKT	0x02
+#define TX_UDP_PKT	0x03
+#define TX_IP_PKT	0x04
+#define TX_TCP_LSO	0x05
+#define TX_TCP_LSO6	0x06
+#define TX_IPSEC	0x07
+#define TX_IPSEC_CMD	0x0a
+#define TX_TCPV6_PKT	0x0b
+#define TX_UDPV6_PKT	0x0c
 
 /* The following opcodes are for internal consumption. */
 #define NETXEN_CONTROL_OP	0x10
@@ -191,6 +210,7 @@ enum {
 #define MAX_RCV_DESCRIPTORS		16384
 #define MAX_CMD_DESCRIPTORS_HOST	(MAX_CMD_DESCRIPTORS / 4)
 #define MAX_RCV_DESCRIPTORS_1G		(MAX_RCV_DESCRIPTORS / 4)
+#define MAX_RCV_DESCRIPTORS_10G		8192
 #define MAX_JUMBO_RCV_DESCRIPTORS	1024
 #define MAX_LRO_RCV_DESCRIPTORS		64
 #define MAX_RCVSTATUS_DESCRIPTORS	MAX_RCV_DESCRIPTORS
@@ -219,8 +239,6 @@ enum {
 #define MPORT_MULTI_FUNCTION_MODE 0x2222
 
 #include "netxen_nic_phan_reg.h"
-extern unsigned long long netxen_dma_mask;
-extern unsigned long last_schedule_time;
 
 /*
  * NetXen host-peg signal message structure
@@ -289,7 +307,7 @@ struct netxen_ring_ctx {
 #define netxen_set_cmd_desc_port(cmd_desc, var)	\
 	((cmd_desc)->port_ctxid |= ((var) & 0x0F))
 #define netxen_set_cmd_desc_ctxid(cmd_desc, var)	\
-	((cmd_desc)->port_ctxid |= ((var) & 0xF0))
+	((cmd_desc)->port_ctxid |= ((var) << 4 & 0xF0))
 
 #define netxen_set_cmd_desc_flags(cmd_desc, val)	\
 	(cmd_desc)->flags_opcode = ((cmd_desc)->flags_opcode & \
@@ -377,8 +395,8 @@ struct rcv_desc {
 };
 
 /* opcode field in status_desc */
-#define RCV_NIC_PKT	(0xA)
-#define STATUS_NIC_PKT	((RCV_NIC_PKT) << 12)
+#define NETXEN_NIC_RXPKT_DESC  0x04
+#define NETXEN_OLD_RXPKT_DESC  0x3f
 
 /* for status field in status_desc */
 #define STATUS_NEED_CKSUM	(1)
@@ -410,6 +428,8 @@ struct rcv_desc {
 	(((sts_data) >> 28) & 0xFFFF)
 #define netxen_get_sts_prot(sts_data)	\
 	(((sts_data) >> 44) & 0x0F)
+#define netxen_get_sts_pkt_offset(sts_data)	\
+	(((sts_data) >> 48) & 0x1F)
 #define netxen_get_sts_opcode(sts_data)	\
 	(((sts_data) >> 58) & 0x03F)
 
@@ -424,17 +444,30 @@ struct rcv_desc {
 
 struct status_desc {
 	/* Bit pattern: 0-3 port, 4-7 status, 8-11 type, 12-27 total_length
-	   28-43 reference_handle, 44-47 protocol, 48-52 unused
+	   28-43 reference_handle, 44-47 protocol, 48-52 pkt_offset
 	   53-55 desc_cnt, 56-57 owner, 58-63 opcode
 	 */
 	__le64 status_desc_data;
-	__le32 hash_value;
-	u8 hash_type;
-	u8 msg_type;
-	u8 unused;
-	/* Bit pattern: 0-6 lro_count indicates frag sequence,
-	   7 last_frag indicates last frag */
-	u8 lro;
+	union {
+		struct {
+			__le32 hash_value;
+			u8 hash_type;
+			u8 msg_type;
+			u8 unused;
+			union {
+				/* Bit pattern: 0-6 lro_count indicates frag
+				 * sequence, 7 last_frag indicates last frag
+				 */
+				u8 lro;
+
+				/* chained buffers */
+				u8 nr_frags;
+			};
+		};
+		struct {
+			__le16 frag_handles[4];
+		};
+	};
 } __attribute__ ((aligned(16)));
 
 enum {
@@ -464,7 +497,20 @@ typedef enum {
 
 	NETXEN_BRDTYPE_P2_SB31_10G_IMEZ = 0x000d,
 	NETXEN_BRDTYPE_P2_SB31_10G_HMEZ = 0x000e,
-	NETXEN_BRDTYPE_P2_SB31_10G_CX4 = 0x000f
+	NETXEN_BRDTYPE_P2_SB31_10G_CX4 = 0x000f,
+
+	NETXEN_BRDTYPE_P3_REF_QG = 0x0021,
+	NETXEN_BRDTYPE_P3_HMEZ = 0x0022,
+	NETXEN_BRDTYPE_P3_10G_CX4_LP = 0x0023,
+	NETXEN_BRDTYPE_P3_4_GB = 0x0024,
+	NETXEN_BRDTYPE_P3_IMEZ = 0x0025,
+	NETXEN_BRDTYPE_P3_10G_SFP_PLUS = 0x0026,
+	NETXEN_BRDTYPE_P3_10000_BASE_T = 0x0027,
+	NETXEN_BRDTYPE_P3_XG_LOM = 0x0028,
+	NETXEN_BRDTYPE_P3_4_GB_MM = 0x0029,
+	NETXEN_BRDTYPE_P3_10G_CX4 = 0x0031,
+	NETXEN_BRDTYPE_P3_10G_XFP = 0x0032
+
 } netxen_brdtype_t;
 
 typedef enum {
@@ -747,6 +793,7 @@ struct netxen_cmd_buffer {
 
 /* In rx_buffer, we do not need multiple fragments as is a single buffer */
 struct netxen_rx_buffer {
+	struct list_head list;
 	struct sk_buff *skb;
 	u64 dma;
 	u16 ref_handle;
@@ -765,7 +812,6 @@ struct netxen_rx_buffer {
  * contains interrupt info as well shared hardware info.
  */
 struct netxen_hardware_context {
-	struct pci_dev *pdev;
 	void __iomem *pci_base0;
 	void __iomem *pci_base1;
 	void __iomem *pci_base2;
@@ -773,15 +819,20 @@ struct netxen_hardware_context {
 	unsigned long first_page_group_start;
 	void __iomem *db_base;
 	unsigned long db_len;
+	unsigned long pci_len0;
+
+	u8 cut_through;
+	int qdr_sn_window;
+	int ddr_mn_window;
+	unsigned long mn_win_crb;
+	unsigned long ms_win_crb;
 
 	u8 revision_id;
 	u16 board_type;
 	struct netxen_board_info boardcfg;
-	u32 xg_linkup;
-	u32 qg_linksup;
+	u32 linkup;
 	/* Address of cmd ring in Phantom */
 	struct cmd_desc_type0 *cmd_desc_head;
-	struct pci_dev *cmd_desc_pdev;
 	dma_addr_t cmd_desc_phys_addr;
 	struct netxen_adapter *adapter;
 	int pci_func;
@@ -813,17 +864,17 @@ struct netxen_adapter_stats {
  * 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 {
+struct nx_host_rds_ring {
 	u32 flags;
 	u32 producer;
-	u32 rcv_pending;	/* Num of bufs posted in phantom */
 	dma_addr_t phys_addr;
-	struct pci_dev *phys_pdev;
+	u32 crb_rcv_producer;	/* reg offset */
 	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   */
+	struct list_head free_list;
 	int begin_alloc;
 };
 
@@ -834,17 +885,319 @@ struct netxen_rcv_desc_ctx {
  * present elsewhere.
  */
 struct netxen_recv_context {
-	struct netxen_rcv_desc_ctx rcv_desc[NUM_RCV_DESC_RINGS];
-	u32 status_rx_producer;
+	u32 state;
+	u16 context_id;
+	u16 virt_port;
+
+	struct nx_host_rds_ring rds_rings[NUM_RCV_DESC_RINGS];
 	u32 status_rx_consumer;
+	u32 crb_sts_consumer;	/* reg offset */
 	dma_addr_t rcv_status_desc_phys_addr;
-	struct pci_dev *rcv_status_desc_pdev;
 	struct status_desc *rcv_status_desc_head;
 };
 
-#define NETXEN_NIC_MSI_ENABLED 0x02
-#define NETXEN_DMA_MASK	0xfffffffe
-#define NETXEN_DB_MAPSIZE_BYTES    0x1000
+/* New HW context creation */
+
+#define NX_OS_CRB_RETRY_COUNT	4000
+#define NX_CDRP_SIGNATURE_MAKE(pcifn, version) \
+	(((pcifn) & 0xff) | (((version) & 0xff) << 8) | (0xcafe << 16))
+
+#define NX_CDRP_CLEAR		0x00000000
+#define NX_CDRP_CMD_BIT		0x80000000
+
+/*
+ * All responses must have the NX_CDRP_CMD_BIT cleared
+ * in the crb NX_CDRP_CRB_OFFSET.
+ */
+#define NX_CDRP_FORM_RSP(rsp)	(rsp)
+#define NX_CDRP_IS_RSP(rsp)	(((rsp) & NX_CDRP_CMD_BIT) == 0)
+
+#define NX_CDRP_RSP_OK		0x00000001
+#define NX_CDRP_RSP_FAIL	0x00000002
+#define NX_CDRP_RSP_TIMEOUT	0x00000003
+
+/*
+ * All commands must have the NX_CDRP_CMD_BIT set in
+ * the crb NX_CDRP_CRB_OFFSET.
+ */
+#define NX_CDRP_FORM_CMD(cmd)	(NX_CDRP_CMD_BIT | (cmd))
+#define NX_CDRP_IS_CMD(cmd)	(((cmd) & NX_CDRP_CMD_BIT) != 0)
+
+#define NX_CDRP_CMD_SUBMIT_CAPABILITIES     0x00000001
+#define NX_CDRP_CMD_READ_MAX_RDS_PER_CTX    0x00000002
+#define NX_CDRP_CMD_READ_MAX_SDS_PER_CTX    0x00000003
+#define NX_CDRP_CMD_READ_MAX_RULES_PER_CTX  0x00000004
+#define NX_CDRP_CMD_READ_MAX_RX_CTX         0x00000005
+#define NX_CDRP_CMD_READ_MAX_TX_CTX         0x00000006
+#define NX_CDRP_CMD_CREATE_RX_CTX           0x00000007
+#define NX_CDRP_CMD_DESTROY_RX_CTX          0x00000008
+#define NX_CDRP_CMD_CREATE_TX_CTX           0x00000009
+#define NX_CDRP_CMD_DESTROY_TX_CTX          0x0000000a
+#define NX_CDRP_CMD_SETUP_STATISTICS        0x0000000e
+#define NX_CDRP_CMD_GET_STATISTICS          0x0000000f
+#define NX_CDRP_CMD_DELETE_STATISTICS       0x00000010
+#define NX_CDRP_CMD_SET_MTU                 0x00000012
+#define NX_CDRP_CMD_MAX                     0x00000013
+
+#define NX_RCODE_SUCCESS		0
+#define NX_RCODE_NO_HOST_MEM		1
+#define NX_RCODE_NO_HOST_RESOURCE	2
+#define NX_RCODE_NO_CARD_CRB		3
+#define NX_RCODE_NO_CARD_MEM		4
+#define NX_RCODE_NO_CARD_RESOURCE	5
+#define NX_RCODE_INVALID_ARGS		6
+#define NX_RCODE_INVALID_ACTION		7
+#define NX_RCODE_INVALID_STATE		8
+#define NX_RCODE_NOT_SUPPORTED		9
+#define NX_RCODE_NOT_PERMITTED		10
+#define NX_RCODE_NOT_READY		11
+#define NX_RCODE_DOES_NOT_EXIST		12
+#define NX_RCODE_ALREADY_EXISTS		13
+#define NX_RCODE_BAD_SIGNATURE		14
+#define NX_RCODE_CMD_NOT_IMPL		15
+#define NX_RCODE_CMD_INVALID		16
+#define NX_RCODE_TIMEOUT		17
+#define NX_RCODE_CMD_FAILED		18
+#define NX_RCODE_MAX_EXCEEDED		19
+#define NX_RCODE_MAX			20
+
+#define NX_DESTROY_CTX_RESET		0
+#define NX_DESTROY_CTX_D3_RESET		1
+#define NX_DESTROY_CTX_MAX		2
+
+/*
+ * Capabilities
+ */
+#define NX_CAP_BIT(class, bit)		(1 << bit)
+#define NX_CAP0_LEGACY_CONTEXT		NX_CAP_BIT(0, 0)
+#define NX_CAP0_MULTI_CONTEXT		NX_CAP_BIT(0, 1)
+#define NX_CAP0_LEGACY_MN		NX_CAP_BIT(0, 2)
+#define NX_CAP0_LEGACY_MS		NX_CAP_BIT(0, 3)
+#define NX_CAP0_CUT_THROUGH		NX_CAP_BIT(0, 4)
+#define NX_CAP0_LRO			NX_CAP_BIT(0, 5)
+#define NX_CAP0_LSO			NX_CAP_BIT(0, 6)
+#define NX_CAP0_JUMBO_CONTIGUOUS	NX_CAP_BIT(0, 7)
+#define NX_CAP0_LRO_CONTIGUOUS		NX_CAP_BIT(0, 8)
+
+/*
+ * Context state
+ */
+#define NX_HOST_CTX_STATE_FREED		0
+#define NX_HOST_CTX_STATE_ALLOCATED	1
+#define NX_HOST_CTX_STATE_ACTIVE	2
+#define NX_HOST_CTX_STATE_DISABLED	3
+#define NX_HOST_CTX_STATE_QUIESCED	4
+#define NX_HOST_CTX_STATE_MAX		5
+
+/*
+ * Rx context
+ */
+
+typedef struct {
+	u64 host_phys_addr;	/* Ring base addr */
+	u32 ring_size;		/* Ring entries */
+	u16 msi_index;
+	u16 rsvd;		/* Padding */
+} nx_hostrq_sds_ring_t;
+
+typedef struct {
+	u64 host_phys_addr;	/* Ring base addr */
+	u64 buff_size;		/* Packet buffer size */
+	u32 ring_size;		/* Ring entries */
+	u32 ring_kind;		/* Class of ring */
+} nx_hostrq_rds_ring_t;
+
+typedef struct {
+	u64 host_rsp_dma_addr;	/* Response dma'd here */
+	u32 capabilities[4];	/* Flag bit vector */
+	u32 host_int_crb_mode;	/* Interrupt crb usage */
+	u32 host_rds_crb_mode;	/* RDS crb usage */
+	/* These ring offsets are relative to data[0] below */
+	u32 rds_ring_offset;	/* Offset to RDS config */
+	u32 sds_ring_offset;	/* Offset to SDS config */
+	u16 num_rds_rings;	/* Count of RDS rings */
+	u16 num_sds_rings;	/* Count of SDS rings */
+	u16 rsvd1;		/* Padding */
+	u16 rsvd2;		/* Padding */
+	u8  reserved[128]; 	/* reserve space for future expansion*/
+	/* MUST BE 64-bit aligned.
+	   The following is packed:
+	   - N hostrq_rds_rings
+	   - N hostrq_sds_rings */
+	char data[0];
+} nx_hostrq_rx_ctx_t;
+
+typedef struct {
+	u32 host_producer_crb;	/* Crb to use */
+	u32 rsvd1;		/* Padding */
+} nx_cardrsp_rds_ring_t;
+
+typedef struct {
+	u32 host_consumer_crb;	/* Crb to use */
+	u32 interrupt_crb;	/* Crb to use */
+} nx_cardrsp_sds_ring_t;
+
+typedef struct {
+	/* These ring offsets are relative to data[0] below */
+	u32 rds_ring_offset;	/* Offset to RDS config */
+	u32 sds_ring_offset;	/* Offset to SDS config */
+	u32 host_ctx_state;	/* Starting State */
+	u32 num_fn_per_port;	/* How many PCI fn share the port */
+	u16 num_rds_rings;	/* Count of RDS rings */
+	u16 num_sds_rings;	/* Count of SDS rings */
+	u16 context_id;		/* Handle for context */
+	u8  phys_port;		/* Physical id of port */
+	u8  virt_port;		/* Virtual/Logical id of port */
+	u8  reserved[128];	/* save space for future expansion */
+	/*  MUST BE 64-bit aligned.
+	   The following is packed:
+	   - N cardrsp_rds_rings
+	   - N cardrs_sds_rings */
+	char data[0];
+} nx_cardrsp_rx_ctx_t;
+
+#define SIZEOF_HOSTRQ_RX(HOSTRQ_RX, rds_rings, sds_rings)	\
+	(sizeof(HOSTRQ_RX) + 					\
+	(rds_rings)*(sizeof(nx_hostrq_rds_ring_t)) +		\
+	(sds_rings)*(sizeof(nx_hostrq_sds_ring_t)))
+
+#define SIZEOF_CARDRSP_RX(CARDRSP_RX, rds_rings, sds_rings) 	\
+	(sizeof(CARDRSP_RX) + 					\
+	(rds_rings)*(sizeof(nx_cardrsp_rds_ring_t)) + 		\
+	(sds_rings)*(sizeof(nx_cardrsp_sds_ring_t)))
+
+/*
+ * Tx context
+ */
+
+typedef struct {
+	u64 host_phys_addr;	/* Ring base addr */
+	u32 ring_size;		/* Ring entries */
+	u32 rsvd;		/* Padding */
+} nx_hostrq_cds_ring_t;
+
+typedef struct {
+	u64 host_rsp_dma_addr;	/* Response dma'd here */
+	u64 cmd_cons_dma_addr;	/*  */
+	u64 dummy_dma_addr;	/*  */
+	u32 capabilities[4];	/* Flag bit vector */
+	u32 host_int_crb_mode;	/* Interrupt crb usage */
+	u32 rsvd1;		/* Padding */
+	u16 rsvd2;		/* Padding */
+	u16 interrupt_ctl;
+	u16 msi_index;
+	u16 rsvd3;		/* Padding */
+	nx_hostrq_cds_ring_t cds_ring;	/* Desc of cds ring */
+	u8  reserved[128];	/* future expansion */
+} nx_hostrq_tx_ctx_t;
+
+typedef struct {
+	u32 host_producer_crb;	/* Crb to use */
+	u32 interrupt_crb;	/* Crb to use */
+} nx_cardrsp_cds_ring_t;
+
+typedef struct {
+	u32 host_ctx_state;	/* Starting state */
+	u16 context_id;		/* Handle for context */
+	u8  phys_port;		/* Physical id of port */
+	u8  virt_port;		/* Virtual/Logical id of port */
+	nx_cardrsp_cds_ring_t cds_ring;	/* Card cds settings */
+	u8  reserved[128];	/* future expansion */
+} nx_cardrsp_tx_ctx_t;
+
+#define SIZEOF_HOSTRQ_TX(HOSTRQ_TX)	(sizeof(HOSTRQ_TX))
+#define SIZEOF_CARDRSP_TX(CARDRSP_TX)	(sizeof(CARDRSP_TX))
+
+/* CRB */
+
+#define NX_HOST_RDS_CRB_MODE_UNIQUE	0
+#define NX_HOST_RDS_CRB_MODE_SHARED	1
+#define NX_HOST_RDS_CRB_MODE_CUSTOM	2
+#define NX_HOST_RDS_CRB_MODE_MAX	3
+
+#define NX_HOST_INT_CRB_MODE_UNIQUE	0
+#define NX_HOST_INT_CRB_MODE_SHARED	1
+#define NX_HOST_INT_CRB_MODE_NORX	2
+#define NX_HOST_INT_CRB_MODE_NOTX	3
+#define NX_HOST_INT_CRB_MODE_NORXTX	4
+
+
+/* MAC */
+
+#define MC_COUNT_P2	16
+#define MC_COUNT_P3	38
+
+#define NETXEN_MAC_NOOP	0
+#define NETXEN_MAC_ADD	1
+#define NETXEN_MAC_DEL	2
+
+typedef struct nx_mac_list_s {
+	struct nx_mac_list_s *next;
+	uint8_t mac_addr[MAX_ADDR_LEN];
+} nx_mac_list_t;
+
+/*
+ * Interrupt coalescing defaults. The defaults are for 1500 MTU. It is
+ * adjusted based on configured MTU.
+ */
+#define NETXEN_DEFAULT_INTR_COALESCE_RX_TIME_US	3
+#define NETXEN_DEFAULT_INTR_COALESCE_RX_PACKETS	256
+#define NETXEN_DEFAULT_INTR_COALESCE_TX_PACKETS	64
+#define NETXEN_DEFAULT_INTR_COALESCE_TX_TIME_US	4
+
+#define NETXEN_NIC_INTR_DEFAULT			0x04
+
+typedef union {
+	struct {
+		uint16_t	rx_packets;
+		uint16_t	rx_time_us;
+		uint16_t	tx_packets;
+		uint16_t	tx_time_us;
+	} data;
+	uint64_t		word;
+} nx_nic_intr_coalesce_data_t;
+
+typedef struct {
+	uint16_t			stats_time_us;
+	uint16_t			rate_sample_time;
+	uint16_t			flags;
+	uint16_t			rsvd_1;
+	uint32_t			low_threshold;
+	uint32_t			high_threshold;
+	nx_nic_intr_coalesce_data_t	normal;
+	nx_nic_intr_coalesce_data_t	low;
+	nx_nic_intr_coalesce_data_t	high;
+	nx_nic_intr_coalesce_data_t	irq;
+} nx_nic_intr_coalesce_t;
+
+typedef struct {
+	u64 qhdr;
+	u64 req_hdr;
+	u64 words[6];
+} nx_nic_req_t;
+
+typedef struct {
+	u8 op;
+	u8 tag;
+	u8 mac_addr[6];
+} nx_mac_req_t;
+
+#define MAX_PENDING_DESC_BLOCK_SIZE	64
+
+#define NETXEN_NIC_MSI_ENABLED		0x02
+#define NETXEN_NIC_MSIX_ENABLED		0x04
+#define NETXEN_IS_MSI_FAMILY(adapter) \
+	((adapter)->flags & (NETXEN_NIC_MSI_ENABLED | NETXEN_NIC_MSIX_ENABLED))
+
+#define MSIX_ENTRIES_PER_ADAPTER	8
+#define NETXEN_MSIX_TBL_SPACE		8192
+#define NETXEN_PCI_REG_MSIX_TBL		0x44
+
+#define NETXEN_DB_MAPSIZE_BYTES    	0x1000
+
+#define NETXEN_NETDEV_WEIGHT 120
+#define NETXEN_ADAPTER_UP_MAGIC 777
+#define NETXEN_NIC_PEG_TUNE 0
 
 struct netxen_dummy_dma {
 	void *addr;
@@ -854,46 +1207,65 @@ struct netxen_dummy_dma {
 struct netxen_adapter {
 	struct netxen_hardware_context ahw;
 
-	struct netxen_adapter *master;
 	struct net_device *netdev;
 	struct pci_dev *pdev;
+	int pci_using_dac;
 	struct napi_struct napi;
 	struct net_device_stats net_stats;
-	unsigned char mac_addr[ETH_ALEN];
 	int mtu;
 	int portnum;
 	u8 physical_port;
+	u16 tx_context_id;
+
+	uint8_t		mc_enabled;
+	uint8_t		max_mc_count;
+	nx_mac_list_t	*mac_list;
+
+	struct netxen_legacy_intr_set legacy_intr;
+	u32	crb_intr_mask;
 
 	struct work_struct watchdog_task;
 	struct timer_list watchdog_timer;
 	struct work_struct  tx_timeout_task;
 
 	u32 curr_window;
+	u32 crb_win;
+	rwlock_t adapter_lock;
+
+	uint64_t dma_mask;
 
 	u32 cmd_producer;
 	__le32 *cmd_consumer;
 	u32 last_cmd_consumer;
+	u32 crb_addr_cmd_producer;
+	u32 crb_addr_cmd_consumer;
 
 	u32 max_tx_desc_count;
 	u32 max_rx_desc_count;
 	u32 max_jumbo_rx_desc_count;
 	u32 max_lro_rx_desc_count;
 
+	int max_rds_rings;
+
 	u32 flags;
 	u32 irq;
 	int driver_mismatch;
 	u32 temp;
 
+	u32 fw_major;
+
+	u8 msix_supported;
+	u8 max_possible_rss_rings;
+	struct msix_entry msix_entries[MSIX_ENTRIES_PER_ADAPTER];
+
 	struct netxen_adapter_stats stats;
 
-	u16 portno;
 	u16 link_speed;
 	u16 link_duplex;
 	u16 state;
 	u16 link_autoneg;
 	int rx_csum;
 	int status;
-	spinlock_t stats_lock;
 
 	struct netxen_cmd_buffer *cmd_buf_arr;	/* Command buffers for xmit */
 
@@ -905,25 +1277,33 @@ struct netxen_adapter {
 
 	int is_up;
 	struct netxen_dummy_dma dummy_dma;
+	nx_nic_intr_coalesce_t coal;
 
 	/* Context interface shared between card and host */
 	struct netxen_ring_ctx *ctx_desc;
-	struct pci_dev *ctx_desc_pdev;
 	dma_addr_t ctx_desc_phys_addr;
 	int intr_scheme;
 	int msi_mode;
 	int (*enable_phy_interrupts) (struct netxen_adapter *);
 	int (*disable_phy_interrupts) (struct netxen_adapter *);
-	void (*handle_phy_intr) (struct netxen_adapter *);
 	int (*macaddr_set) (struct netxen_adapter *, netxen_ethernet_macaddr_t);
 	int (*set_mtu) (struct netxen_adapter *, int);
 	int (*set_promisc) (struct netxen_adapter *, netxen_niu_prom_mode_t);
-	int (*unset_promisc) (struct netxen_adapter *, netxen_niu_prom_mode_t);
 	int (*phy_read) (struct netxen_adapter *, long reg, u32 *);
 	int (*phy_write) (struct netxen_adapter *, long reg, u32 val);
 	int (*init_port) (struct netxen_adapter *, int);
-	void (*init_niu) (struct netxen_adapter *);
 	int (*stop_port) (struct netxen_adapter *);
+
+	int (*hw_read_wx)(struct netxen_adapter *, ulong, void *, int);
+	int (*hw_write_wx)(struct netxen_adapter *, ulong, void *, int);
+	int (*pci_mem_read)(struct netxen_adapter *, u64, void *, int);
+	int (*pci_mem_write)(struct netxen_adapter *, u64, void *, int);
+	int (*pci_write_immediate)(struct netxen_adapter *, u64, u32);
+	u32 (*pci_read_immediate)(struct netxen_adapter *, u64);
+	void (*pci_write_normalize)(struct netxen_adapter *, u64, u32);
+	u32 (*pci_read_normalize)(struct netxen_adapter *, u64);
+	unsigned long (*pci_set_window)(struct netxen_adapter *,
+			unsigned long long);
 };				/* netxen_adapter structure */
 
 /*
@@ -988,8 +1368,6 @@ int netxen_niu_xgbe_enable_phy_interrupts(struct netxen_adapter *adapter);
 int netxen_niu_gbe_enable_phy_interrupts(struct netxen_adapter *adapter);
 int netxen_niu_xgbe_disable_phy_interrupts(struct netxen_adapter *adapter);
 int netxen_niu_gbe_disable_phy_interrupts(struct netxen_adapter *adapter);
-void netxen_nic_xgbe_handle_phy_intr(struct netxen_adapter *adapter);
-void netxen_nic_gbe_handle_phy_intr(struct netxen_adapter *adapter);
 int netxen_niu_gbe_phy_read(struct netxen_adapter *adapter, long reg,
 			    __u32 * readval);
 int netxen_niu_gbe_phy_write(struct netxen_adapter *adapter,
@@ -998,27 +1376,61 @@ int netxen_niu_gbe_phy_write(struct netxen_adapter *adapter,
 /* Functions available from netxen_nic_hw.c */
 int netxen_nic_set_mtu_xgb(struct netxen_adapter *adapter, int new_mtu);
 int netxen_nic_set_mtu_gb(struct netxen_adapter *adapter, 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);
+void netxen_nic_read_w0(struct netxen_adapter *adapter, u32 index, u32 *value);
+void netxen_nic_write_w1(struct netxen_adapter *adapter, u32 index, u32 value);
+void netxen_nic_read_w1(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);
+
+int netxen_nic_hw_read_wx_128M(struct netxen_adapter *adapter,
+		ulong off, void *data, int len);
+int netxen_nic_hw_write_wx_128M(struct netxen_adapter *adapter,
+		ulong off, void *data, int len);
+int netxen_nic_pci_mem_read_128M(struct netxen_adapter *adapter,
+		u64 off, void *data, int size);
+int netxen_nic_pci_mem_write_128M(struct netxen_adapter *adapter,
+		u64 off, void *data, int size);
+int netxen_nic_pci_write_immediate_128M(struct netxen_adapter *adapter,
+		u64 off, u32 data);
+u32 netxen_nic_pci_read_immediate_128M(struct netxen_adapter *adapter, u64 off);
+void netxen_nic_pci_write_normalize_128M(struct netxen_adapter *adapter,
+		u64 off, u32 data);
+u32 netxen_nic_pci_read_normalize_128M(struct netxen_adapter *adapter, u64 off);
+unsigned long netxen_nic_pci_set_window_128M(struct netxen_adapter *adapter,
+		unsigned long long addr);
+void netxen_nic_pci_change_crbwindow_128M(struct netxen_adapter *adapter,
+		u32 wndw);
+
+int netxen_nic_hw_read_wx_2M(struct netxen_adapter *adapter,
+		ulong off, void *data, int len);
+int netxen_nic_hw_write_wx_2M(struct netxen_adapter *adapter,
+		ulong off, void *data, int len);
+int netxen_nic_pci_mem_read_2M(struct netxen_adapter *adapter,
+		u64 off, void *data, int size);
+int netxen_nic_pci_mem_write_2M(struct netxen_adapter *adapter,
+		u64 off, void *data, int size);
 void netxen_crb_writelit_adapter(struct netxen_adapter *adapter,
 				 unsigned long off, int data);
+int netxen_nic_pci_write_immediate_2M(struct netxen_adapter *adapter,
+		u64 off, u32 data);
+u32 netxen_nic_pci_read_immediate_2M(struct netxen_adapter *adapter, u64 off);
+void netxen_nic_pci_write_normalize_2M(struct netxen_adapter *adapter,
+		u64 off, u32 data);
+u32 netxen_nic_pci_read_normalize_2M(struct netxen_adapter *adapter, u64 off);
+unsigned long netxen_nic_pci_set_window_2M(struct netxen_adapter *adapter,
+		unsigned long long addr);
 
 /* Functions from netxen_nic_init.c */
 void netxen_free_adapter_offload(struct netxen_adapter *adapter);
 int netxen_initialize_adapter_offload(struct netxen_adapter *adapter);
 int netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val);
+int netxen_receive_peg_ready(struct netxen_adapter *adapter);
 int 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);
 int netxen_rom_fast_read_words(struct netxen_adapter *adapter, int addr,
 				u8 *bytes, size_t size);
@@ -1032,33 +1444,43 @@ void netxen_halt_pegs(struct netxen_adapter *adapter);
 
 int netxen_rom_se(struct netxen_adapter *adapter, int addr);
 
-/* Functions from netxen_nic_isr.c */
-void netxen_initialize_adapter_sw(struct netxen_adapter *adapter);
-void *netxen_alloc(struct pci_dev *pdev, size_t sz, dma_addr_t * ptr,
-		   struct pci_dev **used_dev);
+int netxen_alloc_sw_resources(struct netxen_adapter *adapter);
+void netxen_free_sw_resources(struct netxen_adapter *adapter);
+
+int netxen_alloc_hw_resources(struct netxen_adapter *adapter);
+void netxen_free_hw_resources(struct netxen_adapter *adapter);
+
+void netxen_release_rx_buffers(struct netxen_adapter *adapter);
+void netxen_release_tx_buffers(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);
 void netxen_watchdog_task(struct work_struct *work);
 void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx,
 			    u32 ringid);
 int netxen_process_cmd_ring(struct netxen_adapter *adapter);
 u32 netxen_process_rcv_ring(struct netxen_adapter *adapter, int ctx, int max);
-void netxen_nic_set_multi(struct net_device *netdev);
+void netxen_p2_nic_set_multi(struct net_device *netdev);
+void netxen_p3_nic_set_multi(struct net_device *netdev);
+int netxen_config_intr_coalesce(struct netxen_adapter *adapter);
+
+u32 nx_fw_cmd_set_mtu(struct netxen_adapter *adapter, u32 mtu);
 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);
 
+void netxen_nic_update_cmd_producer(struct netxen_adapter *adapter,
+		uint32_t crb_producer);
 
 /*
  * NetXen Board information
  */
 
-#define NETXEN_MAX_SHORT_NAME 16
+#define NETXEN_MAX_SHORT_NAME 32
 struct netxen_brdinfo {
 	netxen_brdtype_t brdtype;	/* type of board */
 	long ports;		/* max no of physical ports */
@@ -1072,6 +1494,17 @@ static const struct netxen_brdinfo netxen_boards[] = {
 	{NETXEN_BRDTYPE_P2_SB31_10G, 1, "XGb XFP"},
 	{NETXEN_BRDTYPE_P2_SB35_4G, 4, "Quad Gb"},
 	{NETXEN_BRDTYPE_P2_SB31_2G, 2, "Dual Gb"},
+	{NETXEN_BRDTYPE_P3_REF_QG,  4, "Reference Quad Gig "},
+	{NETXEN_BRDTYPE_P3_HMEZ,    2, "Dual XGb HMEZ"},
+	{NETXEN_BRDTYPE_P3_10G_CX4_LP,   2, "Dual XGb CX4 LP"},
+	{NETXEN_BRDTYPE_P3_4_GB,    4, "Quad Gig LP"},
+	{NETXEN_BRDTYPE_P3_IMEZ,    2, "Dual XGb IMEZ"},
+	{NETXEN_BRDTYPE_P3_10G_SFP_PLUS, 2, "Dual XGb SFP+ LP"},
+	{NETXEN_BRDTYPE_P3_10000_BASE_T, 1, "XGB 10G BaseT LP"},
+	{NETXEN_BRDTYPE_P3_XG_LOM,  2, "Dual XGb LOM"},
+	{NETXEN_BRDTYPE_P3_4_GB_MM, 4, "Quad GB - March Madness"},
+	{NETXEN_BRDTYPE_P3_10G_CX4, 2, "Reference Dual CX4 Option"},
+	{NETXEN_BRDTYPE_P3_10G_XFP, 1, "Reference Single XFP Option"}
 };
 
 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(netxen_boards)
@@ -1097,7 +1530,7 @@ dma_watchdog_shutdown_request(struct netxen_adapter *adapter)
 	u32 ctrl;
 
 	/* check if already inactive */
-	if (netxen_nic_hw_read_wx(adapter,
+	if (adapter->hw_read_wx(adapter,
 	    NETXEN_CAM_RAM(NETXEN_CAM_RAM_DMA_WATCHDOG_CTRL), &ctrl, 4))
 		printk(KERN_ERR "failed to read dma watchdog status\n");
 
@@ -1117,7 +1550,7 @@ dma_watchdog_shutdown_poll_result(struct netxen_adapter *adapter)
 {
 	u32 ctrl;
 
-	if (netxen_nic_hw_read_wx(adapter,
+	if (adapter->hw_read_wx(adapter,
 	    NETXEN_CAM_RAM(NETXEN_CAM_RAM_DMA_WATCHDOG_CTRL), &ctrl, 4))
 		printk(KERN_ERR "failed to read dma watchdog status\n");
 
@@ -1129,7 +1562,7 @@ dma_watchdog_wakeup(struct netxen_adapter *adapter)
 {
 	u32 ctrl;
 
-	if (netxen_nic_hw_read_wx(adapter,
+	if (adapter->hw_read_wx(adapter,
 		NETXEN_CAM_RAM(NETXEN_CAM_RAM_DMA_WATCHDOG_CTRL), &ctrl, 4))
 		printk(KERN_ERR "failed to read dma watchdog status\n");
 
diff --git a/drivers/net/netxen/netxen_nic_ctx.c b/drivers/net/netxen/netxen_nic_ctx.c
new file mode 100644
index 00000000000..64babc59e69
--- /dev/null
+++ b/drivers/net/netxen/netxen_nic_ctx.c
@@ -0,0 +1,710 @@
+/*
+ * Copyright (C) 2003 - 2008 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 "netxen_nic_hw.h"
+#include "netxen_nic.h"
+#include "netxen_nic_phan_reg.h"
+
+#define NXHAL_VERSION	1
+
+static int
+netxen_api_lock(struct netxen_adapter *adapter)
+{
+	u32 done = 0, timeout = 0;
+
+	for (;;) {
+		/* Acquire PCIE HW semaphore5 */
+		netxen_nic_read_w0(adapter,
+			NETXEN_PCIE_REG(PCIE_SEM5_LOCK), &done);
+
+		if (done == 1)
+			break;
+
+		if (++timeout >= NX_OS_CRB_RETRY_COUNT) {
+			printk(KERN_ERR "%s: lock timeout.\n", __func__);
+			return -1;
+		}
+
+		msleep(1);
+	}
+
+#if 0
+	netxen_nic_write_w1(adapter,
+		NETXEN_API_LOCK_ID, NX_OS_API_LOCK_DRIVER);
+#endif
+	return 0;
+}
+
+static int
+netxen_api_unlock(struct netxen_adapter *adapter)
+{
+	u32 val;
+
+	/* Release PCIE HW semaphore5 */
+	netxen_nic_read_w0(adapter,
+		NETXEN_PCIE_REG(PCIE_SEM5_UNLOCK), &val);
+	return 0;
+}
+
+static u32
+netxen_poll_rsp(struct netxen_adapter *adapter)
+{
+	u32 raw_rsp, rsp = NX_CDRP_RSP_OK;
+	int	timeout = 0;
+
+	do {
+		/* give atleast 1ms for firmware to respond */
+		msleep(1);
+
+		if (++timeout > NX_OS_CRB_RETRY_COUNT)
+			return NX_CDRP_RSP_TIMEOUT;
+
+		netxen_nic_read_w1(adapter, NX_CDRP_CRB_OFFSET,
+				&raw_rsp);
+
+		rsp = le32_to_cpu(raw_rsp);
+	} while (!NX_CDRP_IS_RSP(rsp));
+
+	return rsp;
+}
+
+static u32
+netxen_issue_cmd(struct netxen_adapter *adapter,
+	u32 pci_fn, u32 version, u32 arg1, u32 arg2, u32 arg3, u32 cmd)
+{
+	u32 rsp;
+	u32 signature = 0;
+	u32 rcode = NX_RCODE_SUCCESS;
+
+	signature = NX_CDRP_SIGNATURE_MAKE(pci_fn, version);
+
+	/* Acquire semaphore before accessing CRB */
+	if (netxen_api_lock(adapter))
+		return NX_RCODE_TIMEOUT;
+
+	netxen_nic_write_w1(adapter, NX_SIGN_CRB_OFFSET,
+			cpu_to_le32(signature));
+
+	netxen_nic_write_w1(adapter, NX_ARG1_CRB_OFFSET,
+			cpu_to_le32(arg1));
+
+	netxen_nic_write_w1(adapter, NX_ARG2_CRB_OFFSET,
+			cpu_to_le32(arg2));
+
+	netxen_nic_write_w1(adapter, NX_ARG3_CRB_OFFSET,
+			cpu_to_le32(arg3));
+
+	netxen_nic_write_w1(adapter, NX_CDRP_CRB_OFFSET,
+			cpu_to_le32(NX_CDRP_FORM_CMD(cmd)));
+
+	rsp = netxen_poll_rsp(adapter);
+
+	if (rsp == NX_CDRP_RSP_TIMEOUT) {
+		printk(KERN_ERR "%s: card response timeout.\n",
+				netxen_nic_driver_name);
+
+		rcode = NX_RCODE_TIMEOUT;
+	} else if (rsp == NX_CDRP_RSP_FAIL) {
+		netxen_nic_read_w1(adapter, NX_ARG1_CRB_OFFSET, &rcode);
+		rcode = le32_to_cpu(rcode);
+
+		printk(KERN_ERR "%s: failed card response code:0x%x\n",
+				netxen_nic_driver_name, rcode);
+	}
+
+	/* Release semaphore */
+	netxen_api_unlock(adapter);
+
+	return rcode;
+}
+
+u32
+nx_fw_cmd_set_mtu(struct netxen_adapter *adapter, u32 mtu)
+{
+	u32 rcode = NX_RCODE_SUCCESS;
+	struct netxen_recv_context *recv_ctx = &adapter->recv_ctx[0];
+
+	if (recv_ctx->state == NX_HOST_CTX_STATE_ACTIVE)
+		rcode = netxen_issue_cmd(adapter,
+				adapter->ahw.pci_func,
+				NXHAL_VERSION,
+				recv_ctx->context_id,
+				mtu,
+				0,
+				NX_CDRP_CMD_SET_MTU);
+
+	return rcode;
+}
+
+static int
+nx_fw_cmd_create_rx_ctx(struct netxen_adapter *adapter)
+{
+	void *addr;
+	nx_hostrq_rx_ctx_t *prq;
+	nx_cardrsp_rx_ctx_t *prsp;
+	nx_hostrq_rds_ring_t *prq_rds;
+	nx_hostrq_sds_ring_t *prq_sds;
+	nx_cardrsp_rds_ring_t *prsp_rds;
+	nx_cardrsp_sds_ring_t *prsp_sds;
+	struct nx_host_rds_ring *rds_ring;
+
+	dma_addr_t hostrq_phys_addr, cardrsp_phys_addr;
+	u64 phys_addr;
+
+	int i, nrds_rings, nsds_rings;
+	size_t rq_size, rsp_size;
+	u32 cap, reg;
+
+	int err;
+
+	struct netxen_recv_context *recv_ctx = &adapter->recv_ctx[0];
+
+	/* only one sds ring for now */
+	nrds_rings = adapter->max_rds_rings;
+	nsds_rings = 1;
+
+	rq_size =
+		SIZEOF_HOSTRQ_RX(nx_hostrq_rx_ctx_t, nrds_rings, nsds_rings);
+	rsp_size =
+		SIZEOF_CARDRSP_RX(nx_cardrsp_rx_ctx_t, nrds_rings, nsds_rings);
+
+	addr = pci_alloc_consistent(adapter->pdev,
+				rq_size, &hostrq_phys_addr);
+	if (addr == NULL)
+		return -ENOMEM;
+	prq = (nx_hostrq_rx_ctx_t *)addr;
+
+	addr = pci_alloc_consistent(adapter->pdev,
+			rsp_size, &cardrsp_phys_addr);
+	if (addr == NULL) {
+		err = -ENOMEM;
+		goto out_free_rq;
+	}
+	prsp = (nx_cardrsp_rx_ctx_t *)addr;
+
+	prq->host_rsp_dma_addr = cpu_to_le64(cardrsp_phys_addr);
+
+	cap = (NX_CAP0_LEGACY_CONTEXT | NX_CAP0_LEGACY_MN);
+	cap |= (NX_CAP0_JUMBO_CONTIGUOUS | NX_CAP0_LRO_CONTIGUOUS);
+
+	prq->capabilities[0] = cpu_to_le32(cap);
+	prq->host_int_crb_mode =
+		cpu_to_le32(NX_HOST_INT_CRB_MODE_SHARED);
+	prq->host_rds_crb_mode =
+		cpu_to_le32(NX_HOST_RDS_CRB_MODE_UNIQUE);
+
+	prq->num_rds_rings = cpu_to_le16(nrds_rings);
+	prq->num_sds_rings = cpu_to_le16(nsds_rings);
+	prq->rds_ring_offset = 0;
+	prq->sds_ring_offset = prq->rds_ring_offset +
+		(sizeof(nx_hostrq_rds_ring_t) * nrds_rings);
+
+	prq_rds = (nx_hostrq_rds_ring_t *)(prq->data + prq->rds_ring_offset);
+
+	for (i = 0; i < nrds_rings; i++) {
+
+		rds_ring = &recv_ctx->rds_rings[i];
+
+		prq_rds[i].host_phys_addr = cpu_to_le64(rds_ring->phys_addr);
+		prq_rds[i].ring_size = cpu_to_le32(rds_ring->max_rx_desc_count);
+		prq_rds[i].ring_kind = cpu_to_le32(i);
+		prq_rds[i].buff_size = cpu_to_le64(rds_ring->dma_size);
+	}
+
+	prq_sds = (nx_hostrq_sds_ring_t *)(prq->data + prq->sds_ring_offset);
+
+	prq_sds[0].host_phys_addr =
+		cpu_to_le64(recv_ctx->rcv_status_desc_phys_addr);
+	prq_sds[0].ring_size = cpu_to_le32(adapter->max_rx_desc_count);
+	/* only one msix vector for now */
+	prq_sds[0].msi_index = cpu_to_le32(0);
+
+	/* now byteswap offsets */
+	prq->rds_ring_offset = cpu_to_le32(prq->rds_ring_offset);
+	prq->sds_ring_offset = cpu_to_le32(prq->sds_ring_offset);
+
+	phys_addr = hostrq_phys_addr;
+	err = netxen_issue_cmd(adapter,
+			adapter->ahw.pci_func,
+			NXHAL_VERSION,
+			(u32)(phys_addr >> 32),
+			(u32)(phys_addr & 0xffffffff),
+			rq_size,
+			NX_CDRP_CMD_CREATE_RX_CTX);
+	if (err) {
+		printk(KERN_WARNING
+			"Failed to create rx ctx in firmware%d\n", err);
+		goto out_free_rsp;
+	}
+
+
+	prsp_rds = ((nx_cardrsp_rds_ring_t *)
+			 &prsp->data[prsp->rds_ring_offset]);
+
+	for (i = 0; i < le32_to_cpu(prsp->num_rds_rings); i++) {
+		rds_ring = &recv_ctx->rds_rings[i];
+
+		reg = le32_to_cpu(prsp_rds[i].host_producer_crb);
+		rds_ring->crb_rcv_producer = NETXEN_NIC_REG(reg - 0x200);
+	}
+
+	prsp_sds = ((nx_cardrsp_sds_ring_t *)
+			&prsp->data[prsp->sds_ring_offset]);
+	reg = le32_to_cpu(prsp_sds[0].host_consumer_crb);
+	recv_ctx->crb_sts_consumer = NETXEN_NIC_REG(reg - 0x200);
+
+	reg = le32_to_cpu(prsp_sds[0].interrupt_crb);
+	adapter->crb_intr_mask = NETXEN_NIC_REG(reg - 0x200);
+
+	recv_ctx->state = le32_to_cpu(prsp->host_ctx_state);
+	recv_ctx->context_id = le16_to_cpu(prsp->context_id);
+	recv_ctx->virt_port = le16_to_cpu(prsp->virt_port);
+
+out_free_rsp:
+	pci_free_consistent(adapter->pdev, rsp_size, prsp, cardrsp_phys_addr);
+out_free_rq:
+	pci_free_consistent(adapter->pdev, rq_size, prq, hostrq_phys_addr);
+	return err;
+}
+
+static void
+nx_fw_cmd_destroy_rx_ctx(struct netxen_adapter *adapter)
+{
+	struct netxen_recv_context *recv_ctx = &adapter->recv_ctx[0];
+
+	if (netxen_issue_cmd(adapter,
+			adapter->ahw.pci_func,
+			NXHAL_VERSION,
+			recv_ctx->context_id,
+			NX_DESTROY_CTX_RESET,
+			0,
+			NX_CDRP_CMD_DESTROY_RX_CTX)) {
+
+		printk(KERN_WARNING
+			"%s: Failed to destroy rx ctx in firmware\n",
+			netxen_nic_driver_name);
+	}
+}
+
+static int
+nx_fw_cmd_create_tx_ctx(struct netxen_adapter *adapter)
+{
+	nx_hostrq_tx_ctx_t	*prq;
+	nx_hostrq_cds_ring_t	*prq_cds;
+	nx_cardrsp_tx_ctx_t	*prsp;
+	void	*rq_addr, *rsp_addr;
+	size_t	rq_size, rsp_size;
+	u32	temp;
+	int	err = 0;
+	u64	offset, phys_addr;
+	dma_addr_t	rq_phys_addr, rsp_phys_addr;
+
+	rq_size = SIZEOF_HOSTRQ_TX(nx_hostrq_tx_ctx_t);
+	rq_addr = pci_alloc_consistent(adapter->pdev,
+		rq_size, &rq_phys_addr);
+	if (!rq_addr)
+		return -ENOMEM;
+
+	rsp_size = SIZEOF_CARDRSP_TX(nx_cardrsp_tx_ctx_t);
+	rsp_addr = pci_alloc_consistent(adapter->pdev,
+		rsp_size, &rsp_phys_addr);
+	if (!rsp_addr) {
+		err = -ENOMEM;
+		goto out_free_rq;
+	}
+
+	memset(rq_addr, 0, rq_size);
+	prq = (nx_hostrq_tx_ctx_t *)rq_addr;
+
+	memset(rsp_addr, 0, rsp_size);
+	prsp = (nx_cardrsp_tx_ctx_t *)rsp_addr;
+
+	prq->host_rsp_dma_addr = cpu_to_le64(rsp_phys_addr);
+
+	temp = (NX_CAP0_LEGACY_CONTEXT | NX_CAP0_LEGACY_MN | NX_CAP0_LSO);
+	prq->capabilities[0] = cpu_to_le32(temp);
+
+	prq->host_int_crb_mode =
+		cpu_to_le32(NX_HOST_INT_CRB_MODE_SHARED);
+
+	prq->interrupt_ctl = 0;
+	prq->msi_index = 0;
+
+	prq->dummy_dma_addr = cpu_to_le64(adapter->dummy_dma.phys_addr);
+
+	offset = adapter->ctx_desc_phys_addr+sizeof(struct netxen_ring_ctx);
+	prq->cmd_cons_dma_addr = cpu_to_le64(offset);
+
+	prq_cds = &prq->cds_ring;
+
+	prq_cds->host_phys_addr =
+		cpu_to_le64(adapter->ahw.cmd_desc_phys_addr);
+
+	prq_cds->ring_size = cpu_to_le32(adapter->max_tx_desc_count);
+
+	phys_addr = rq_phys_addr;
+	err = netxen_issue_cmd(adapter,
+			adapter->ahw.pci_func,
+			NXHAL_VERSION,
+			(u32)(phys_addr >> 32),
+			((u32)phys_addr & 0xffffffff),
+			rq_size,
+			NX_CDRP_CMD_CREATE_TX_CTX);
+
+	if (err == NX_RCODE_SUCCESS) {
+		temp = le32_to_cpu(prsp->cds_ring.host_producer_crb);
+		adapter->crb_addr_cmd_producer =
+			NETXEN_NIC_REG(temp - 0x200);
+#if 0
+		adapter->tx_state =
+			le32_to_cpu(prsp->host_ctx_state);
+#endif
+		adapter->tx_context_id =
+			le16_to_cpu(prsp->context_id);
+	} else {
+		printk(KERN_WARNING
+			"Failed to create tx ctx in firmware%d\n", err);
+		err = -EIO;
+	}
+
+	pci_free_consistent(adapter->pdev, rsp_size, rsp_addr, rsp_phys_addr);
+
+out_free_rq:
+	pci_free_consistent(adapter->pdev, rq_size, rq_addr, rq_phys_addr);
+
+	return err;
+}
+
+static void
+nx_fw_cmd_destroy_tx_ctx(struct netxen_adapter *adapter)
+{
+	if (netxen_issue_cmd(adapter,
+			adapter->ahw.pci_func,
+			NXHAL_VERSION,
+			adapter->tx_context_id,
+			NX_DESTROY_CTX_RESET,
+			0,
+			NX_CDRP_CMD_DESTROY_TX_CTX)) {
+
+		printk(KERN_WARNING
+			"%s: Failed to destroy tx ctx in firmware\n",
+			netxen_nic_driver_name);
+	}
+}
+
+static u64 ctx_addr_sig_regs[][3] = {
+	{NETXEN_NIC_REG(0x188), NETXEN_NIC_REG(0x18c), NETXEN_NIC_REG(0x1c0)},
+	{NETXEN_NIC_REG(0x190), NETXEN_NIC_REG(0x194), NETXEN_NIC_REG(0x1c4)},
+	{NETXEN_NIC_REG(0x198), NETXEN_NIC_REG(0x19c), NETXEN_NIC_REG(0x1c8)},
+	{NETXEN_NIC_REG(0x1a0), NETXEN_NIC_REG(0x1a4), NETXEN_NIC_REG(0x1cc)}
+};
+
+#define CRB_CTX_ADDR_REG_LO(FUNC_ID)	(ctx_addr_sig_regs[FUNC_ID][0])
+#define CRB_CTX_ADDR_REG_HI(FUNC_ID)	(ctx_addr_sig_regs[FUNC_ID][2])
+#define CRB_CTX_SIGNATURE_REG(FUNC_ID)	(ctx_addr_sig_regs[FUNC_ID][1])
+
+#define lower32(x)	((u32)((x) & 0xffffffff))
+#define upper32(x)	((u32)(((u64)(x) >> 32) & 0xffffffff))
+
+static struct netxen_recv_crb recv_crb_registers[] = {
+	/* Instance 0 */
+	{
+		/* crb_rcv_producer: */
+		{
+			NETXEN_NIC_REG(0x100),
+			/* Jumbo frames */
+			NETXEN_NIC_REG(0x110),
+			/* LRO */
+			NETXEN_NIC_REG(0x120)
+		},
+		/* crb_sts_consumer: */
+		NETXEN_NIC_REG(0x138),
+	},
+	/* Instance 1 */
+	{
+		/* crb_rcv_producer: */
+		{
+			NETXEN_NIC_REG(0x144),
+			/* Jumbo frames */
+			NETXEN_NIC_REG(0x154),
+			/* LRO */
+			NETXEN_NIC_REG(0x164)
+		},
+		/* crb_sts_consumer: */
+		NETXEN_NIC_REG(0x17c),
+	},
+	/* Instance 2 */
+	{
+		/* crb_rcv_producer: */
+		{
+			NETXEN_NIC_REG(0x1d8),
+			/* Jumbo frames */
+			NETXEN_NIC_REG(0x1f8),
+			/* LRO */
+			NETXEN_NIC_REG(0x208)
+		},
+		/* crb_sts_consumer: */
+		NETXEN_NIC_REG(0x220),
+	},
+	/* Instance 3 */
+	{
+		/* crb_rcv_producer: */
+		{
+			NETXEN_NIC_REG(0x22c),
+			/* Jumbo frames */
+			NETXEN_NIC_REG(0x23c),
+			/* LRO */
+			NETXEN_NIC_REG(0x24c)
+		},
+		/* crb_sts_consumer: */
+		NETXEN_NIC_REG(0x264),
+	},
+};
+
+static int
+netxen_init_old_ctx(struct netxen_adapter *adapter)
+{
+	struct netxen_recv_context *recv_ctx;
+	struct nx_host_rds_ring *rds_ring;
+	int ctx, ring;
+	int func_id = adapter->portnum;
+
+	adapter->ctx_desc->cmd_ring_addr =
+		cpu_to_le64(adapter->ahw.cmd_desc_phys_addr);
+	adapter->ctx_desc->cmd_ring_size =
+		cpu_to_le32(adapter->max_tx_desc_count);
+
+	for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
+		recv_ctx = &adapter->recv_ctx[ctx];
+
+		for (ring = 0; ring < adapter->max_rds_rings; ring++) {
+			rds_ring = &recv_ctx->rds_rings[ring];
+
+			adapter->ctx_desc->rcv_ctx[ring].rcv_ring_addr =
+				cpu_to_le64(rds_ring->phys_addr);
+			adapter->ctx_desc->rcv_ctx[ring].rcv_ring_size =
+				cpu_to_le32(rds_ring->max_rx_desc_count);
+		}
+		adapter->ctx_desc->sts_ring_addr =
+			cpu_to_le64(recv_ctx->rcv_status_desc_phys_addr);
+		adapter->ctx_desc->sts_ring_size =
+			cpu_to_le32(adapter->max_rx_desc_count);
+	}
+
+	adapter->pci_write_normalize(adapter, CRB_CTX_ADDR_REG_LO(func_id),
+			lower32(adapter->ctx_desc_phys_addr));
+	adapter->pci_write_normalize(adapter, CRB_CTX_ADDR_REG_HI(func_id),
+			upper32(adapter->ctx_desc_phys_addr));
+	adapter->pci_write_normalize(adapter, CRB_CTX_SIGNATURE_REG(func_id),
+			NETXEN_CTX_SIGNATURE | func_id);
+	return 0;
+}
+
+static uint32_t sw_int_mask[4] = {
+	CRB_SW_INT_MASK_0, CRB_SW_INT_MASK_1,
+	CRB_SW_INT_MASK_2, CRB_SW_INT_MASK_3
+};
+
+int netxen_alloc_hw_resources(struct netxen_adapter *adapter)
+{
+	struct netxen_hardware_context *hw = &adapter->ahw;
+	u32 state = 0;
+	void *addr;
+	int err = 0;
+	int ctx, ring;
+	struct netxen_recv_context *recv_ctx;
+	struct nx_host_rds_ring *rds_ring;
+
+	err = netxen_receive_peg_ready(adapter);
+	if (err) {
+		printk(KERN_ERR "Rcv Peg initialization not complete:%x.\n",
+				state);
+		return err;
+	}
+
+	addr = pci_alloc_consistent(adapter->pdev,
+			sizeof(struct netxen_ring_ctx) + sizeof(uint32_t),
+			&adapter->ctx_desc_phys_addr);
+
+	if (addr == NULL) {
+		DPRINTK(ERR, "failed to allocate hw context\n");
+		return -ENOMEM;
+	}
+	memset(addr, 0, sizeof(struct netxen_ring_ctx));
+	adapter->ctx_desc = (struct netxen_ring_ctx *)addr;
+	adapter->ctx_desc->ctx_id = cpu_to_le32(adapter->portnum);
+	adapter->ctx_desc->cmd_consumer_offset =
+		cpu_to_le64(adapter->ctx_desc_phys_addr +
+			sizeof(struct netxen_ring_ctx));
+	adapter->cmd_consumer =
+		(__le32 *)(((char *)addr) + sizeof(struct netxen_ring_ctx));
+
+	/* cmd desc ring */
+	addr = pci_alloc_consistent(adapter->pdev,
+			sizeof(struct cmd_desc_type0) *
+			adapter->max_tx_desc_count,
+			&hw->cmd_desc_phys_addr);
+
+	if (addr == NULL) {
+		printk(KERN_ERR "%s failed to allocate tx desc ring\n",
+				netxen_nic_driver_name);
+		return -ENOMEM;
+	}
+
+	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 < adapter->max_rds_rings; ring++) {
+			/* rx desc ring */
+			rds_ring = &recv_ctx->rds_rings[ring];
+			addr = pci_alloc_consistent(adapter->pdev,
+					RCV_DESC_RINGSIZE,
+					&rds_ring->phys_addr);
+			if (addr == NULL) {
+				printk(KERN_ERR "%s failed to allocate rx "
+					"desc ring[%d]\n",
+					netxen_nic_driver_name, ring);
+				err = -ENOMEM;
+				goto err_out_free;
+			}
+			rds_ring->desc_head = (struct rcv_desc *)addr;
+
+			if (adapter->fw_major < 4)
+				rds_ring->crb_rcv_producer =
+					recv_crb_registers[adapter->portnum].
+					crb_rcv_producer[ring];
+		}
+
+		/* status desc ring */
+		addr = pci_alloc_consistent(adapter->pdev,
+				STATUS_DESC_RINGSIZE,
+				&recv_ctx->rcv_status_desc_phys_addr);
+		if (addr == NULL) {
+			printk(KERN_ERR "%s failed to allocate sts desc ring\n",
+					netxen_nic_driver_name);
+			err = -ENOMEM;
+			goto err_out_free;
+		}
+		recv_ctx->rcv_status_desc_head = (struct status_desc *)addr;
+
+		if (adapter->fw_major < 4)
+			recv_ctx->crb_sts_consumer =
+				recv_crb_registers[adapter->portnum].
+				crb_sts_consumer;
+	}
+
+	if (adapter->fw_major >= 4) {
+		adapter->intr_scheme = INTR_SCHEME_PERPORT;
+		adapter->msi_mode = MSI_MODE_MULTIFUNC;
+
+		err = nx_fw_cmd_create_rx_ctx(adapter);
+		if (err)
+			goto err_out_free;
+		err = nx_fw_cmd_create_tx_ctx(adapter);
+		if (err)
+			goto err_out_free;
+	} else {
+
+		adapter->intr_scheme = adapter->pci_read_normalize(adapter,
+				CRB_NIC_CAPABILITIES_FW);
+		adapter->msi_mode = adapter->pci_read_normalize(adapter,
+				CRB_NIC_MSI_MODE_FW);
+		adapter->crb_intr_mask = sw_int_mask[adapter->portnum];
+
+		err = netxen_init_old_ctx(adapter);
+		if (err) {
+			netxen_free_hw_resources(adapter);
+			return err;
+		}
+
+	}
+
+	return 0;
+
+err_out_free:
+	netxen_free_hw_resources(adapter);
+	return err;
+}
+
+void netxen_free_hw_resources(struct netxen_adapter *adapter)
+{
+	struct netxen_recv_context *recv_ctx;
+	struct nx_host_rds_ring *rds_ring;
+	int ctx, ring;
+
+	if (adapter->fw_major >= 4) {
+		nx_fw_cmd_destroy_tx_ctx(adapter);
+		nx_fw_cmd_destroy_rx_ctx(adapter);
+	}
+
+	if (adapter->ctx_desc != NULL) {
+		pci_free_consistent(adapter->pdev,
+				sizeof(struct netxen_ring_ctx) +
+				sizeof(uint32_t),
+				adapter->ctx_desc,
+				adapter->ctx_desc_phys_addr);
+		adapter->ctx_desc = NULL;
+	}
+
+	if (adapter->ahw.cmd_desc_head != NULL) {
+		pci_free_consistent(adapter->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 < adapter->max_rds_rings; ring++) {
+			rds_ring = &recv_ctx->rds_rings[ring];
+
+			if (rds_ring->desc_head != NULL) {
+				pci_free_consistent(adapter->pdev,
+						RCV_DESC_RINGSIZE,
+						rds_ring->desc_head,
+						rds_ring->phys_addr);
+				rds_ring->desc_head = NULL;
+			}
+		}
+
+		if (recv_ctx->rcv_status_desc_head != NULL) {
+			pci_free_consistent(adapter->pdev,
+					STATUS_DESC_RINGSIZE,
+					recv_ctx->rcv_status_desc_head,
+					recv_ctx->rcv_status_desc_phys_addr);
+			recv_ctx->rcv_status_desc_head = NULL;
+		}
+	}
+}
+
diff --git a/drivers/net/netxen/netxen_nic_ethtool.c b/drivers/net/netxen/netxen_nic_ethtool.c
index 723487bf200..48ee06b6f4e 100644
--- a/drivers/net/netxen/netxen_nic_ethtool.c
+++ b/drivers/net/netxen/netxen_nic_ethtool.c
@@ -93,17 +93,21 @@ static void
 netxen_nic_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo)
 {
 	struct netxen_adapter *adapter = netdev_priv(dev);
+	unsigned long flags;
 	u32 fw_major = 0;
 	u32 fw_minor = 0;
 	u32 fw_build = 0;
 
 	strncpy(drvinfo->driver, netxen_nic_driver_name, 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));
+	write_lock_irqsave(&adapter->adapter_lock, flags);
+	fw_major = adapter->pci_read_normalize(adapter,
+					NETXEN_FW_VERSION_MAJOR);
+	fw_minor = adapter->pci_read_normalize(adapter,
+					NETXEN_FW_VERSION_MINOR);
+	fw_build = adapter->pci_read_normalize(adapter,
+					NETXEN_FW_VERSION_SUB);
+	write_unlock_irqrestore(&adapter->adapter_lock, flags);
 	sprintf(drvinfo->fw_version, "%d.%d.%d", fw_major, fw_minor, fw_build);
 
 	strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
@@ -159,9 +163,16 @@ netxen_nic_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
 	switch ((netxen_brdtype_t) boardinfo->board_type) {
 	case NETXEN_BRDTYPE_P2_SB35_4G:
 	case NETXEN_BRDTYPE_P2_SB31_2G:
+	case NETXEN_BRDTYPE_P3_REF_QG:
+	case NETXEN_BRDTYPE_P3_4_GB:
+	case NETXEN_BRDTYPE_P3_4_GB_MM:
+	case NETXEN_BRDTYPE_P3_10000_BASE_T:
+
 		ecmd->supported |= SUPPORTED_Autoneg;
 		ecmd->advertising |= ADVERTISED_Autoneg;
 	case NETXEN_BRDTYPE_P2_SB31_10G_CX4:
+	case NETXEN_BRDTYPE_P3_10G_CX4:
+	case NETXEN_BRDTYPE_P3_10G_CX4_LP:
 		ecmd->supported |= SUPPORTED_TP;
 		ecmd->advertising |= ADVERTISED_TP;
 		ecmd->port = PORT_TP;
@@ -171,12 +182,17 @@ netxen_nic_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
 		break;
 	case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ:
 	case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
+	case NETXEN_BRDTYPE_P3_IMEZ:
+	case NETXEN_BRDTYPE_P3_XG_LOM:
+	case NETXEN_BRDTYPE_P3_HMEZ:
 		ecmd->supported |= SUPPORTED_MII;
 		ecmd->advertising |= ADVERTISED_MII;
 		ecmd->port = PORT_FIBRE;
 		ecmd->autoneg = AUTONEG_DISABLE;
 		break;
 	case NETXEN_BRDTYPE_P2_SB31_10G:
+	case NETXEN_BRDTYPE_P3_10G_SFP_PLUS:
+	case NETXEN_BRDTYPE_P3_10G_XFP:
 		ecmd->supported |= SUPPORTED_FIBRE;
 		ecmd->advertising |= ADVERTISED_FIBRE;
 		ecmd->port = PORT_FIBRE;
@@ -349,19 +365,18 @@ netxen_nic_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *p)
 {
 	struct netxen_adapter *adapter = netdev_priv(dev);
 	__u32 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) |
 	    (adapter->pdev)->device;
 	/* which mode */
-	NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_MODE, &regs_buff[0]);
+	adapter->hw_read_wx(adapter, NETXEN_NIU_MODE, &regs_buff[0], 4);
 	mode = regs_buff[0];
 
 	/* Common registers to all the modes */
-	NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_STRAP_VALUE_SAVE_HIGHER,
-				   &regs_buff[2]);
+	adapter->hw_read_wx(adapter,
+			NETXEN_NIU_STRAP_VALUE_SAVE_HIGHER, &regs_buff[2], 4);
 	/* GB/XGB Mode */
 	mode = (mode / 2) - 1;
 	window = 0;
@@ -372,9 +387,9 @@ netxen_nic_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *p)
 				window = adapter->physical_port *
 					NETXEN_NIC_PORT_WINDOW;
 
-			NETXEN_NIC_LOCKED_READ_REG(niu_registers[mode].
-						   reg[i - 3] + window,
-						   &regs_buff[i]);
+			adapter->hw_read_wx(adapter,
+				niu_registers[mode].reg[i - 3] + window,
+				&regs_buff[i], 4);
 		}
 
 	}
@@ -398,7 +413,7 @@ static u32 netxen_nic_test_link(struct net_device *dev)
 			return !val;
 		}
 	} else if (adapter->ahw.board_type == NETXEN_NIC_XGBE) {
-		val = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_XG_STATE));
+		val = adapter->pci_read_normalize(adapter, CRB_XG_STATE);
 		return (val == XG_LINK_UP) ? 0 : 1;
 	}
 	return -EIO;
@@ -427,6 +442,7 @@ netxen_nic_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
 	return 0;
 }
 
+#if 0
 static int
 netxen_nic_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
 			u8 * bytes)
@@ -447,7 +463,6 @@ netxen_nic_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
 		}
 		printk(KERN_INFO "%s: flash unlocked. \n",
 			netxen_nic_driver_name);
-		last_schedule_time = jiffies;
 		ret = netxen_flash_erase_secondary(adapter);
 		if (ret != FLASH_SUCCESS) {
 			printk(KERN_ERR "%s: Flash erase failed.\n",
@@ -497,6 +512,7 @@ netxen_nic_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
 
 	return netxen_rom_fast_write_words(adapter, offset, bytes, eeprom->len);
 }
+#endif /* 0 */
 
 static void
 netxen_nic_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ring)
@@ -508,9 +524,9 @@ netxen_nic_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ring)
 	ring->rx_jumbo_pending = 0;
 	for (i = 0; i < MAX_RCV_CTX; ++i) {
 		ring->rx_pending += adapter->recv_ctx[i].
-		    rcv_desc[RCV_DESC_NORMAL_CTXID].max_rx_desc_count;
+		    rds_rings[RCV_DESC_NORMAL_CTXID].max_rx_desc_count;
 		ring->rx_jumbo_pending += adapter->recv_ctx[i].
-		    rcv_desc[RCV_DESC_JUMBO_CTXID].max_rx_desc_count;
+		    rds_rings[RCV_DESC_JUMBO_CTXID].max_rx_desc_count;
 	}
 	ring->tx_pending = adapter->max_tx_desc_count;
 
@@ -655,7 +671,7 @@ static int netxen_nic_reg_test(struct net_device *dev)
 	data_written = (u32)0xa5a5a5a5;
 
 	netxen_nic_reg_write(adapter, CRB_SCRATCHPAD_TEST, data_written);
-	data_read = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_SCRATCHPAD_TEST));
+	data_read = adapter->pci_read_normalize(adapter, CRB_SCRATCHPAD_TEST);
 	if (data_written != data_read)
 		return 1;
 
@@ -736,6 +752,117 @@ static int netxen_nic_set_rx_csum(struct net_device *dev, u32 data)
 	return 0;
 }
 
+static u32 netxen_nic_get_tso(struct net_device *dev)
+{
+	struct netxen_adapter *adapter = netdev_priv(dev);
+
+	if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
+		return (dev->features & (NETIF_F_TSO | NETIF_F_TSO6)) != 0;
+
+	return (dev->features & NETIF_F_TSO) != 0;
+}
+
+static int netxen_nic_set_tso(struct net_device *dev, u32 data)
+{
+	if (data) {
+		struct netxen_adapter *adapter = netdev_priv(dev);
+
+		dev->features |= NETIF_F_TSO;
+		if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
+			dev->features |= NETIF_F_TSO6;
+	} else
+		dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6);
+
+	return 0;
+}
+
+/*
+ * Set the coalescing parameters. Currently only normal is supported.
+ * If rx_coalesce_usecs == 0 or rx_max_coalesced_frames == 0 then set the
+ * firmware coalescing to default.
+ */
+static int netxen_set_intr_coalesce(struct net_device *netdev,
+			struct ethtool_coalesce *ethcoal)
+{
+	struct netxen_adapter *adapter = netdev_priv(netdev);
+
+	if (!NX_IS_REVISION_P3(adapter->ahw.revision_id))
+		return -EINVAL;
+
+	if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
+		return -EINVAL;
+
+	/*
+	* Return Error if unsupported values or
+	* unsupported parameters are set.
+	*/
+	if (ethcoal->rx_coalesce_usecs > 0xffff ||
+		ethcoal->rx_max_coalesced_frames > 0xffff ||
+		ethcoal->tx_coalesce_usecs > 0xffff ||
+		ethcoal->tx_max_coalesced_frames > 0xffff ||
+		ethcoal->rx_coalesce_usecs_irq ||
+		ethcoal->rx_max_coalesced_frames_irq ||
+		ethcoal->tx_coalesce_usecs_irq ||
+		ethcoal->tx_max_coalesced_frames_irq ||
+		ethcoal->stats_block_coalesce_usecs ||
+		ethcoal->use_adaptive_rx_coalesce ||
+		ethcoal->use_adaptive_tx_coalesce ||
+		ethcoal->pkt_rate_low ||
+		ethcoal->rx_coalesce_usecs_low ||
+		ethcoal->rx_max_coalesced_frames_low ||
+		ethcoal->tx_coalesce_usecs_low ||
+		ethcoal->tx_max_coalesced_frames_low ||
+		ethcoal->pkt_rate_high ||
+		ethcoal->rx_coalesce_usecs_high ||
+		ethcoal->rx_max_coalesced_frames_high ||
+		ethcoal->tx_coalesce_usecs_high ||
+		ethcoal->tx_max_coalesced_frames_high)
+		return -EINVAL;
+
+	if (!ethcoal->rx_coalesce_usecs ||
+		!ethcoal->rx_max_coalesced_frames) {
+		adapter->coal.flags = NETXEN_NIC_INTR_DEFAULT;
+		adapter->coal.normal.data.rx_time_us =
+			NETXEN_DEFAULT_INTR_COALESCE_RX_TIME_US;
+		adapter->coal.normal.data.rx_packets =
+			NETXEN_DEFAULT_INTR_COALESCE_RX_PACKETS;
+	} else {
+		adapter->coal.flags = 0;
+		adapter->coal.normal.data.rx_time_us =
+		ethcoal->rx_coalesce_usecs;
+		adapter->coal.normal.data.rx_packets =
+		ethcoal->rx_max_coalesced_frames;
+	}
+	adapter->coal.normal.data.tx_time_us = ethcoal->tx_coalesce_usecs;
+	adapter->coal.normal.data.tx_packets =
+	ethcoal->tx_max_coalesced_frames;
+
+	netxen_config_intr_coalesce(adapter);
+
+	return 0;
+}
+
+static int netxen_get_intr_coalesce(struct net_device *netdev,
+			struct ethtool_coalesce *ethcoal)
+{
+	struct netxen_adapter *adapter = netdev_priv(netdev);
+
+	if (!NX_IS_REVISION_P3(adapter->ahw.revision_id))
+		return -EINVAL;
+
+	if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
+		return -EINVAL;
+
+	ethcoal->rx_coalesce_usecs = adapter->coal.normal.data.rx_time_us;
+	ethcoal->tx_coalesce_usecs = adapter->coal.normal.data.tx_time_us;
+	ethcoal->rx_max_coalesced_frames =
+		adapter->coal.normal.data.rx_packets;
+	ethcoal->tx_max_coalesced_frames =
+		adapter->coal.normal.data.tx_packets;
+
+	return 0;
+}
+
 struct ethtool_ops netxen_nic_ethtool_ops = {
 	.get_settings = netxen_nic_get_settings,
 	.set_settings = netxen_nic_set_settings,
@@ -745,17 +872,22 @@ struct ethtool_ops netxen_nic_ethtool_ops = {
 	.get_link = ethtool_op_get_link,
 	.get_eeprom_len = netxen_nic_get_eeprom_len,
 	.get_eeprom = netxen_nic_get_eeprom,
+#if 0
 	.set_eeprom = netxen_nic_set_eeprom,
+#endif
 	.get_ringparam = netxen_nic_get_ringparam,
 	.get_pauseparam = netxen_nic_get_pauseparam,
 	.set_pauseparam = netxen_nic_set_pauseparam,
 	.set_tx_csum = ethtool_op_set_tx_csum,
 	.set_sg = ethtool_op_set_sg,
-	.set_tso = ethtool_op_set_tso,
+	.get_tso = netxen_nic_get_tso,
+	.set_tso = netxen_nic_set_tso,
 	.self_test = netxen_nic_diag_test,
 	.get_strings = netxen_nic_get_strings,
 	.get_ethtool_stats = netxen_nic_get_ethtool_stats,
 	.get_sset_count = netxen_get_sset_count,
 	.get_rx_csum = netxen_nic_get_rx_csum,
 	.set_rx_csum = netxen_nic_set_rx_csum,
+	.get_coalesce = netxen_get_intr_coalesce,
+	.set_coalesce = netxen_set_intr_coalesce,
 };
diff --git a/drivers/net/netxen/netxen_nic_hdr.h b/drivers/net/netxen/netxen_nic_hdr.h
index 24d027e29c4..3ce13e451aa 100644
--- a/drivers/net/netxen/netxen_nic_hdr.h
+++ b/drivers/net/netxen/netxen_nic_hdr.h
@@ -126,7 +126,8 @@ enum {
 	NETXEN_HW_PEGR0_CRB_AGT_ADR,
 	NETXEN_HW_PEGR1_CRB_AGT_ADR,
 	NETXEN_HW_PEGR2_CRB_AGT_ADR,
-	NETXEN_HW_PEGR3_CRB_AGT_ADR
+	NETXEN_HW_PEGR3_CRB_AGT_ADR,
+	NETXEN_HW_PEGN4_CRB_AGT_ADR
 };
 
 /*  Hub 5 */
@@ -316,6 +317,8 @@ enum {
 	((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_PGN4	\
+	((NETXEN_HW_H4_CH_HUB_ADR << 7) | NETXEN_HW_PEGN4_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	\
@@ -435,6 +438,7 @@ enum {
 #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_SMB		NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_SMB)
 #define NETXEN_CRB_MAX		NETXEN_PCI_CRB_WINDOW(64)
 
 #define NETXEN_CRB_PCIX_HOST	NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_PH)
@@ -446,6 +450,7 @@ enum {
 #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_QDR_NET	NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_SN)
 
 #define NETXEN_CRB_PCIX_MD	NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_PS)
 #define NETXEN_CRB_PCIE		NETXEN_CRB_PCIX_MD
@@ -461,11 +466,20 @@ enum {
 #define ISR_INT_TARGET_MASK_F2     (NETXEN_PCIX_PS_REG(PCIX_TARGET_MASK_F2))
 #define ISR_INT_TARGET_STATUS_F3   (NETXEN_PCIX_PS_REG(PCIX_TARGET_STATUS_F3))
 #define ISR_INT_TARGET_MASK_F3     (NETXEN_PCIX_PS_REG(PCIX_TARGET_MASK_F3))
+#define ISR_INT_TARGET_STATUS_F4   (NETXEN_PCIX_PS_REG(PCIX_TARGET_STATUS_F4))
+#define ISR_INT_TARGET_MASK_F4     (NETXEN_PCIX_PS_REG(PCIX_TARGET_MASK_F4))
+#define ISR_INT_TARGET_STATUS_F5   (NETXEN_PCIX_PS_REG(PCIX_TARGET_STATUS_F5))
+#define ISR_INT_TARGET_MASK_F5     (NETXEN_PCIX_PS_REG(PCIX_TARGET_MASK_F5))
+#define ISR_INT_TARGET_STATUS_F6   (NETXEN_PCIX_PS_REG(PCIX_TARGET_STATUS_F6))
+#define ISR_INT_TARGET_MASK_F6     (NETXEN_PCIX_PS_REG(PCIX_TARGET_MASK_F6))
+#define ISR_INT_TARGET_STATUS_F7   (NETXEN_PCIX_PS_REG(PCIX_TARGET_STATUS_F7))
+#define ISR_INT_TARGET_MASK_F7     (NETXEN_PCIX_PS_REG(PCIX_TARGET_MASK_F7))
 
 #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	(0x04800000UL)
 #define NETXEN_PCI_CAMQM_MAX	(0x04ffffffUL)
 #define NETXEN_PCI_OCM0		(0x05000000UL)
 #define NETXEN_PCI_OCM0_MAX	(0x050fffffUL)
@@ -474,6 +488,13 @@ enum {
 #define NETXEN_PCI_CRBSPACE	(0x06000000UL)
 #define NETXEN_PCI_128MB_SIZE	(0x08000000UL)
 #define NETXEN_PCI_32MB_SIZE	(0x02000000UL)
+#define NETXEN_PCI_2MB_SIZE	(0x00200000UL)
+
+#define NETXEN_PCI_MN_2M	(0)
+#define NETXEN_PCI_MS_2M	(0x80000)
+#define NETXEN_PCI_OCM0_2M	(0x000c0000UL)
+#define NETXEN_PCI_CAMQM_2M_BASE	(0x000ff800UL)
+#define NETXEN_PCI_CAMQM_2M_END		(0x04800800UL)
 
 #define NETXEN_CRB_CAM	NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_CAM)
 
@@ -484,7 +505,14 @@ enum {
 #define NETXEN_ADDR_OCM1	(0x0000000200400000ULL)
 #define NETXEN_ADDR_OCM1_MAX	(0x00000002004fffffULL)
 #define NETXEN_ADDR_QDR_NET	(0x0000000300000000ULL)
-#define NETXEN_ADDR_QDR_NET_MAX (0x00000003003fffffULL)
+#define NETXEN_ADDR_QDR_NET_MAX_P2 (0x00000003003fffffULL)
+#define NETXEN_ADDR_QDR_NET_MAX_P3 (0x0000000303ffffffULL)
+
+/*
+ *   Register offsets for MN
+ */
+#define	NETXEN_MIU_CONTROL	(0x000)
+#define	NETXEN_MIU_MN_CONTROL	(NETXEN_CRB_DDR_NET+NETXEN_MIU_CONTROL)
 
 	/* 200ms delay in each loop */
 #define	NETXEN_NIU_PHY_WAITLEN		200000
@@ -550,6 +578,9 @@ enum {
 #define NETXEN_MULTICAST_ADDR_HI_2	(NETXEN_CRB_NIU + 0x1018)
 #define NETXEN_MULTICAST_ADDR_HI_3	(NETXEN_CRB_NIU + 0x101c)
 
+#define NETXEN_UNICAST_ADDR_BASE	(NETXEN_CRB_NIU + 0x1080)
+#define	NETXEN_MULTICAST_ADDR_BASE	(NETXEN_CRB_NIU + 0x1100)
+
 #define	NETXEN_NIU_GB_MAC_CONFIG_0(I)		\
 	(NETXEN_CRB_NIU + 0x30000 + (I)*0x10000)
 #define	NETXEN_NIU_GB_MAC_CONFIG_1(I)		\
@@ -630,16 +661,76 @@ enum {
 #define NETXEN_NIU_XG1_CONTROL_CHAR_CNT		(NETXEN_CRB_NIU + 0x80054)
 #define NETXEN_NIU_XG1_PAUSE_FRAME_CNT		(NETXEN_CRB_NIU + 0x80058)
 
+/* P3 802.3ap */
+#define NETXEN_NIU_AP_MAC_CONFIG_0(I)      (NETXEN_CRB_NIU+0xa0000+(I)*0x10000)
+#define NETXEN_NIU_AP_MAC_CONFIG_1(I)      (NETXEN_CRB_NIU+0xa0004+(I)*0x10000)
+#define NETXEN_NIU_AP_MAC_IPG_IFG(I)       (NETXEN_CRB_NIU+0xa0008+(I)*0x10000)
+#define NETXEN_NIU_AP_HALF_DUPLEX_CTRL(I)  (NETXEN_CRB_NIU+0xa000c+(I)*0x10000)
+#define NETXEN_NIU_AP_MAX_FRAME_SIZE(I)    (NETXEN_CRB_NIU+0xa0010+(I)*0x10000)
+#define NETXEN_NIU_AP_TEST_REG(I)          (NETXEN_CRB_NIU+0xa001c+(I)*0x10000)
+#define NETXEN_NIU_AP_MII_MGMT_CONFIG(I)   (NETXEN_CRB_NIU+0xa0020+(I)*0x10000)
+#define NETXEN_NIU_AP_MII_MGMT_COMMAND(I)  (NETXEN_CRB_NIU+0xa0024+(I)*0x10000)
+#define NETXEN_NIU_AP_MII_MGMT_ADDR(I)     (NETXEN_CRB_NIU+0xa0028+(I)*0x10000)
+#define NETXEN_NIU_AP_MII_MGMT_CTRL(I)     (NETXEN_CRB_NIU+0xa002c+(I)*0x10000)
+#define NETXEN_NIU_AP_MII_MGMT_STATUS(I)   (NETXEN_CRB_NIU+0xa0030+(I)*0x10000)
+#define NETXEN_NIU_AP_MII_MGMT_INDICATE(I) (NETXEN_CRB_NIU+0xa0034+(I)*0x10000)
+#define NETXEN_NIU_AP_INTERFACE_CTRL(I)    (NETXEN_CRB_NIU+0xa0038+(I)*0x10000)
+#define NETXEN_NIU_AP_INTERFACE_STATUS(I)  (NETXEN_CRB_NIU+0xa003c+(I)*0x10000)
+#define NETXEN_NIU_AP_STATION_ADDR_0(I)    (NETXEN_CRB_NIU+0xa0040+(I)*0x10000)
+#define NETXEN_NIU_AP_STATION_ADDR_1(I)    (NETXEN_CRB_NIU+0xa0044+(I)*0x10000)
+
+/*
+ *   Register offsets for MN
+ */
+#define	MIU_CONTROL	       (0x000)
+#define MIU_TEST_AGT_CTRL      (0x090)
+#define MIU_TEST_AGT_ADDR_LO   (0x094)
+#define MIU_TEST_AGT_ADDR_HI   (0x098)
+#define MIU_TEST_AGT_WRDATA_LO (0x0a0)
+#define MIU_TEST_AGT_WRDATA_HI (0x0a4)
+#define MIU_TEST_AGT_WRDATA(i) (0x0a0+(4*(i)))
+#define MIU_TEST_AGT_RDDATA_LO (0x0a8)
+#define MIU_TEST_AGT_RDDATA_HI (0x0ac)
+#define MIU_TEST_AGT_RDDATA(i) (0x0a8+(4*(i)))
+#define MIU_TEST_AGT_ADDR_MASK 0xfffffff8
+#define MIU_TEST_AGT_UPPER_ADDR(off) (0)
+
+/* MIU_TEST_AGT_CTRL flags. work for SIU as well */
+#define MIU_TA_CTL_START        1
+#define MIU_TA_CTL_ENABLE       2
+#define MIU_TA_CTL_WRITE        4
+#define MIU_TA_CTL_BUSY         8
+
+#define SIU_TEST_AGT_CTRL      (0x060)
+#define SIU_TEST_AGT_ADDR_LO   (0x064)
+#define SIU_TEST_AGT_ADDR_HI   (0x078)
+#define SIU_TEST_AGT_WRDATA_LO (0x068)
+#define SIU_TEST_AGT_WRDATA_HI (0x06c)
+#define SIU_TEST_AGT_WRDATA(i) (0x068+(4*(i)))
+#define SIU_TEST_AGT_RDDATA_LO (0x070)
+#define SIU_TEST_AGT_RDDATA_HI (0x074)
+#define SIU_TEST_AGT_RDDATA(i) (0x070+(4*(i)))
+
+#define SIU_TEST_AGT_ADDR_MASK 0x3ffff8
+#define SIU_TEST_AGT_UPPER_ADDR(off) ((off)>>22)
+
 /* XG Link status */
 #define XG_LINK_UP	0x10
 #define XG_LINK_DOWN	0x20
 
+#define XG_LINK_UP_P3	0x01
+#define XG_LINK_DOWN_P3	0x02
+#define XG_LINK_STATE_P3_MASK 0xf
+#define XG_LINK_STATE_P3(pcifn,val) \
+	(((val) >> ((pcifn) * 4)) & XG_LINK_STATE_P3_MASK)
+
 #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 NETXEN_CRB_WIN_LOCK_ID	(NETXEN_CAM_RAM(0x124))
 
 #define NETXEN_PHY_LOCK_ID	(NETXEN_CAM_RAM(0x120))
 
@@ -654,30 +745,71 @@ enum {
 #define PCIX_INT_VECTOR		(0x10100)
 #define PCIX_INT_MASK		(0x10104)
 
-#define PCIX_MN_WINDOW_F0	(0x10200)
-#define PCIX_MN_WINDOW(_f)	(PCIX_MN_WINDOW_F0 + (0x20 * (_f)))
-#define PCIX_MS_WINDOW		(0x10204)
-#define PCIX_SN_WINDOW_F0	(0x10208)
-#define PCIX_SN_WINDOW(_f)	(PCIX_SN_WINDOW_F0 + (0x20 * (_f)))
 #define PCIX_CRB_WINDOW		(0x10210)
 #define PCIX_CRB_WINDOW_F0	(0x10210)
 #define PCIX_CRB_WINDOW_F1	(0x10230)
 #define PCIX_CRB_WINDOW_F2	(0x10250)
 #define PCIX_CRB_WINDOW_F3	(0x10270)
+#define PCIX_CRB_WINDOW_F4	(0x102ac)
+#define PCIX_CRB_WINDOW_F5	(0x102bc)
+#define PCIX_CRB_WINDOW_F6	(0x102cc)
+#define PCIX_CRB_WINDOW_F7	(0x102dc)
+#define PCIE_CRB_WINDOW_REG(func)	(((func) < 4) ? \
+		(PCIX_CRB_WINDOW_F0 + (0x20 * (func))) :\
+		(PCIX_CRB_WINDOW_F4 + (0x10 * ((func)-4))))
+
+#define PCIX_MN_WINDOW		(0x10200)
+#define PCIX_MN_WINDOW_F0	(0x10200)
+#define PCIX_MN_WINDOW_F1	(0x10220)
+#define PCIX_MN_WINDOW_F2	(0x10240)
+#define PCIX_MN_WINDOW_F3	(0x10260)
+#define PCIX_MN_WINDOW_F4	(0x102a0)
+#define PCIX_MN_WINDOW_F5	(0x102b0)
+#define PCIX_MN_WINDOW_F6	(0x102c0)
+#define PCIX_MN_WINDOW_F7	(0x102d0)
+#define PCIE_MN_WINDOW_REG(func)	(((func) < 4) ? \
+		(PCIX_MN_WINDOW_F0 + (0x20 * (func))) :\
+		(PCIX_MN_WINDOW_F4 + (0x10 * ((func)-4))))
+
+#define PCIX_SN_WINDOW		(0x10208)
+#define PCIX_SN_WINDOW_F0	(0x10208)
+#define PCIX_SN_WINDOW_F1	(0x10228)
+#define PCIX_SN_WINDOW_F2	(0x10248)
+#define PCIX_SN_WINDOW_F3	(0x10268)
+#define PCIX_SN_WINDOW_F4	(0x102a8)
+#define PCIX_SN_WINDOW_F5	(0x102b8)
+#define PCIX_SN_WINDOW_F6	(0x102c8)
+#define PCIX_SN_WINDOW_F7	(0x102d8)
+#define PCIE_SN_WINDOW_REG(func)	(((func) < 4) ? \
+		(PCIX_SN_WINDOW_F0 + (0x20 * (func))) :\
+		(PCIX_SN_WINDOW_F4 + (0x10 * ((func)-4))))
 
 #define PCIX_TARGET_STATUS	(0x10118)
+#define PCIX_TARGET_STATUS_F1	(0x10160)
+#define PCIX_TARGET_STATUS_F2	(0x10164)
+#define PCIX_TARGET_STATUS_F3	(0x10168)
+#define PCIX_TARGET_STATUS_F4	(0x10360)
+#define PCIX_TARGET_STATUS_F5	(0x10364)
+#define PCIX_TARGET_STATUS_F6	(0x10368)
+#define PCIX_TARGET_STATUS_F7	(0x1036c)
+
 #define PCIX_TARGET_MASK	(0x10128)
-#define PCIX_TARGET_STATUS_F1 (0x10160)
-#define PCIX_TARGET_MASK_F1   (0x10170)
-#define PCIX_TARGET_STATUS_F2 (0x10164)
-#define PCIX_TARGET_MASK_F2   (0x10174)
-#define PCIX_TARGET_STATUS_F3 (0x10168)
-#define PCIX_TARGET_MASK_F3   (0x10178)
+#define PCIX_TARGET_MASK_F1	(0x10170)
+#define PCIX_TARGET_MASK_F2	(0x10174)
+#define PCIX_TARGET_MASK_F3	(0x10178)
+#define PCIX_TARGET_MASK_F4	(0x10370)
+#define PCIX_TARGET_MASK_F5	(0x10374)
+#define PCIX_TARGET_MASK_F6	(0x10378)
+#define PCIX_TARGET_MASK_F7	(0x1037c)
 
 #define PCIX_MSI_F0		(0x13000)
 #define PCIX_MSI_F1		(0x13004)
 #define PCIX_MSI_F2		(0x13008)
 #define PCIX_MSI_F3		(0x1300c)
+#define PCIX_MSI_F4		(0x13010)
+#define PCIX_MSI_F5		(0x13014)
+#define PCIX_MSI_F6		(0x13018)
+#define PCIX_MSI_F7		(0x1301c)
 #define PCIX_MSI_F(i)		(0x13000+((i)*4))
 
 #define PCIX_PS_MEM_SPACE	(0x90000)
@@ -695,11 +827,102 @@ enum {
 #define PCIE_SEM2_UNLOCK	(0x1c014)	/* Flash unlock */
 #define PCIE_SEM3_LOCK	  	(0x1c018)	/* Phy lock     */
 #define PCIE_SEM3_UNLOCK	(0x1c01c)	/* Phy unlock   */
-
+#define PCIE_SEM5_LOCK		(0x1c028)	/* API lock     */
+#define PCIE_SEM5_UNLOCK	(0x1c02c)	/* API unlock   */
+#define PCIE_SEM6_LOCK		(0x1c030)	/* sw lock      */
+#define PCIE_SEM6_UNLOCK	(0x1c034)	/* sw unlock    */
+#define PCIE_SEM7_LOCK		(0x1c038)	/* crb win lock */
+#define PCIE_SEM7_UNLOCK	(0x1c03c)	/* crbwin unlock*/
+
+#define PCIE_SETUP_FUNCTION	(0x12040)
+#define PCIE_SETUP_FUNCTION2	(0x12048)
 #define PCIE_TGT_SPLIT_CHICKEN	(0x12080)
+#define PCIE_CHICKEN3		(0x120c8)
 
 #define PCIE_MAX_MASTER_SPLIT	(0x14048)
 
+#define NETXEN_PORT_MODE_NONE		0
+#define NETXEN_PORT_MODE_XG		1
+#define NETXEN_PORT_MODE_GB		2
+#define NETXEN_PORT_MODE_802_3_AP	3
+#define NETXEN_PORT_MODE_AUTO_NEG	4
+#define NETXEN_PORT_MODE_AUTO_NEG_1G	5
+#define NETXEN_PORT_MODE_AUTO_NEG_XG	6
+#define NETXEN_PORT_MODE_ADDR		(NETXEN_CAM_RAM(0x24))
+#define NETXEN_WOL_PORT_MODE		(NETXEN_CAM_RAM(0x198))
+
 #define NETXEN_CAM_RAM_DMA_WATCHDOG_CTRL		(0x14)
 
+#define	ISR_MSI_INT_TRIGGER(FUNC) (NETXEN_PCIX_PS_REG(PCIX_MSI_F(FUNC)))
+
+/*
+ * PCI Interrupt Vector Values.
+ */
+#define	PCIX_INT_VECTOR_BIT_F0	0x0080
+#define	PCIX_INT_VECTOR_BIT_F1	0x0100
+#define	PCIX_INT_VECTOR_BIT_F2	0x0200
+#define	PCIX_INT_VECTOR_BIT_F3	0x0400
+#define	PCIX_INT_VECTOR_BIT_F4	0x0800
+#define	PCIX_INT_VECTOR_BIT_F5	0x1000
+#define	PCIX_INT_VECTOR_BIT_F6	0x2000
+#define	PCIX_INT_VECTOR_BIT_F7	0x4000
+
+struct netxen_legacy_intr_set {
+	uint32_t	int_vec_bit;
+	uint32_t	tgt_status_reg;
+	uint32_t	tgt_mask_reg;
+	uint32_t	pci_int_reg;
+};
+
+#define	NX_LEGACY_INTR_CONFIG						\
+{									\
+	{								\
+		.int_vec_bit	=	PCIX_INT_VECTOR_BIT_F0,		\
+		.tgt_status_reg	=	ISR_INT_TARGET_STATUS,		\
+		.tgt_mask_reg	=	ISR_INT_TARGET_MASK,		\
+		.pci_int_reg	=	ISR_MSI_INT_TRIGGER(0) },	\
+									\
+	{								\
+		.int_vec_bit	=	PCIX_INT_VECTOR_BIT_F1,		\
+		.tgt_status_reg	=	ISR_INT_TARGET_STATUS_F1,	\
+		.tgt_mask_reg	=	ISR_INT_TARGET_MASK_F1,		\
+		.pci_int_reg	=	ISR_MSI_INT_TRIGGER(1) },	\
+									\
+	{								\
+		.int_vec_bit	=	PCIX_INT_VECTOR_BIT_F2,		\
+		.tgt_status_reg	=	ISR_INT_TARGET_STATUS_F2,	\
+		.tgt_mask_reg	=	ISR_INT_TARGET_MASK_F2,		\
+		.pci_int_reg	=	ISR_MSI_INT_TRIGGER(2) },	\
+									\
+	{								\
+		.int_vec_bit	=	PCIX_INT_VECTOR_BIT_F3,		\
+		.tgt_status_reg	=	ISR_INT_TARGET_STATUS_F3,	\
+		.tgt_mask_reg	=	ISR_INT_TARGET_MASK_F3,		\
+		.pci_int_reg	=	ISR_MSI_INT_TRIGGER(3) },	\
+									\
+	{								\
+		.int_vec_bit	=	PCIX_INT_VECTOR_BIT_F4,		\
+		.tgt_status_reg	=	ISR_INT_TARGET_STATUS_F4,	\
+		.tgt_mask_reg	=	ISR_INT_TARGET_MASK_F4,		\
+		.pci_int_reg	=	ISR_MSI_INT_TRIGGER(4) },	\
+									\
+	{								\
+		.int_vec_bit	=	PCIX_INT_VECTOR_BIT_F5,		\
+		.tgt_status_reg	=	ISR_INT_TARGET_STATUS_F5,	\
+		.tgt_mask_reg	=	ISR_INT_TARGET_MASK_F5,		\
+		.pci_int_reg	=	ISR_MSI_INT_TRIGGER(5) },	\
+									\
+	{								\
+		.int_vec_bit	=	PCIX_INT_VECTOR_BIT_F6,		\
+		.tgt_status_reg	=	ISR_INT_TARGET_STATUS_F6,	\
+		.tgt_mask_reg	=	ISR_INT_TARGET_MASK_F6,		\
+		.pci_int_reg	=	ISR_MSI_INT_TRIGGER(6) },	\
+									\
+	{								\
+		.int_vec_bit	=	PCIX_INT_VECTOR_BIT_F7,		\
+		.tgt_status_reg	=	ISR_INT_TARGET_STATUS_F7,	\
+		.tgt_mask_reg	=	ISR_INT_TARGET_MASK_F7,		\
+		.pci_int_reg	=	ISR_MSI_INT_TRIGGER(7) },	\
+}
+
 #endif				/* __NETXEN_NIC_HDR_H_ */
diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c
index c43d06b8de9..96a3bc6426e 100644
--- a/drivers/net/netxen/netxen_nic_hw.c
+++ b/drivers/net/netxen/netxen_nic_hw.c
@@ -38,242 +38,262 @@
 
 #include <net/ip.h>
 
-struct netxen_recv_crb recv_crb_registers[] = {
-	/*
-	 * Instance 0.
-	 */
-	{
-	 /* rcv_desc_crb: */
-	 {
-	  {
-	   /* crb_rcv_producer_offset: */
-	   NETXEN_NIC_REG(0x100),
-	   /* crb_rcv_consumer_offset: */
-	   NETXEN_NIC_REG(0x104),
-	   /* crb_gloablrcv_ring: */
-	   NETXEN_NIC_REG(0x108),
-	   /* crb_rcv_ring_size */
-	   NETXEN_NIC_REG(0x10c),
-
-	   },
-	  /* Jumbo frames */
-	  {
-	   /* crb_rcv_producer_offset: */
-	   NETXEN_NIC_REG(0x110),
-	   /* crb_rcv_consumer_offset: */
-	   NETXEN_NIC_REG(0x114),
-	   /* crb_gloablrcv_ring: */
-	   NETXEN_NIC_REG(0x118),
-	   /* crb_rcv_ring_size */
-	   NETXEN_NIC_REG(0x11c),
-	   },
-	  /* LRO */
-	  {
-	   /* crb_rcv_producer_offset: */
-	   NETXEN_NIC_REG(0x120),
-	   /* crb_rcv_consumer_offset: */
-	   NETXEN_NIC_REG(0x124),
-	   /* crb_gloablrcv_ring: */
-	   NETXEN_NIC_REG(0x128),
-	   /* crb_rcv_ring_size */
-	   NETXEN_NIC_REG(0x12c),
-	   }
-	  },
-	 /* crb_rcvstatus_ring: */
-	 NETXEN_NIC_REG(0x130),
-	 /* crb_rcv_status_producer: */
-	 NETXEN_NIC_REG(0x134),
-	 /* crb_rcv_status_consumer: */
-	 NETXEN_NIC_REG(0x138),
-	 /* crb_rcvpeg_state: */
-	 NETXEN_NIC_REG(0x13c),
-	 /* crb_status_ring_size */
-	 NETXEN_NIC_REG(0x140),
-
-	 },
-	/*
-	 * Instance 1,
-	 */
-	{
-	 /* rcv_desc_crb: */
-	 {
-	  {
-	   /* crb_rcv_producer_offset: */
-	   NETXEN_NIC_REG(0x144),
-	   /* crb_rcv_consumer_offset: */
-	   NETXEN_NIC_REG(0x148),
-	   /* crb_globalrcv_ring: */
-	   NETXEN_NIC_REG(0x14c),
-	   /* crb_rcv_ring_size */
-	   NETXEN_NIC_REG(0x150),
-
-	   },
-	  /* Jumbo frames */
-	  {
-	   /* crb_rcv_producer_offset: */
-	   NETXEN_NIC_REG(0x154),
-	   /* crb_rcv_consumer_offset: */
-	   NETXEN_NIC_REG(0x158),
-	   /* crb_globalrcv_ring: */
-	   NETXEN_NIC_REG(0x15c),
-	   /* crb_rcv_ring_size */
-	   NETXEN_NIC_REG(0x160),
-	   },
-	  /* LRO */
-	  {
-	   /* crb_rcv_producer_offset: */
-	   NETXEN_NIC_REG(0x164),
-	   /* crb_rcv_consumer_offset: */
-	   NETXEN_NIC_REG(0x168),
-	   /* crb_globalrcv_ring: */
-	   NETXEN_NIC_REG(0x16c),
-	   /* crb_rcv_ring_size */
-	   NETXEN_NIC_REG(0x170),
-	   }
-
-	  },
-	 /* crb_rcvstatus_ring: */
-	 NETXEN_NIC_REG(0x174),
-	 /* crb_rcv_status_producer: */
-	 NETXEN_NIC_REG(0x178),
-	 /* crb_rcv_status_consumer: */
-	 NETXEN_NIC_REG(0x17c),
-	 /* crb_rcvpeg_state: */
-	 NETXEN_NIC_REG(0x180),
-	 /* crb_status_ring_size */
-	 NETXEN_NIC_REG(0x184),
-	 },
-	/*
-	 * Instance 2,
-	 */
-	{
-	  {
-	    {
-	    /* crb_rcv_producer_offset: */
-	    NETXEN_NIC_REG(0x1d8),
-	    /* crb_rcv_consumer_offset: */
-	    NETXEN_NIC_REG(0x1dc),
-	    /* crb_gloablrcv_ring: */
-	    NETXEN_NIC_REG(0x1f0),
-	    /* crb_rcv_ring_size */
-	    NETXEN_NIC_REG(0x1f4),
-	    },
-	    /* Jumbo frames */
-	    {
-	    /* crb_rcv_producer_offset: */
-	    NETXEN_NIC_REG(0x1f8),
-	    /* crb_rcv_consumer_offset: */
-	    NETXEN_NIC_REG(0x1fc),
-	    /* crb_gloablrcv_ring: */
-	    NETXEN_NIC_REG(0x200),
-	    /* crb_rcv_ring_size */
-	    NETXEN_NIC_REG(0x204),
-	    },
-	    /* LRO */
-	    {
-	    /* crb_rcv_producer_offset: */
-	    NETXEN_NIC_REG(0x208),
-	    /* crb_rcv_consumer_offset: */
-	    NETXEN_NIC_REG(0x20c),
-	    /* crb_gloablrcv_ring: */
-	    NETXEN_NIC_REG(0x210),
-	    /* crb_rcv_ring_size */
-	    NETXEN_NIC_REG(0x214),
-	    }
-	  },
-	  /* crb_rcvstatus_ring: */
-	  NETXEN_NIC_REG(0x218),
-	  /* crb_rcv_status_producer: */
-	  NETXEN_NIC_REG(0x21c),
-	  /* crb_rcv_status_consumer: */
-	  NETXEN_NIC_REG(0x220),
-	  /* crb_rcvpeg_state: */
-	  NETXEN_NIC_REG(0x224),
-	  /* crb_status_ring_size */
-	  NETXEN_NIC_REG(0x228),
-	},
-	/*
-	 * Instance 3,
-	 */
-	{
-	  {
-	    {
-	    /* crb_rcv_producer_offset: */
-	    NETXEN_NIC_REG(0x22c),
-	    /* crb_rcv_consumer_offset: */
-	    NETXEN_NIC_REG(0x230),
-	    /* crb_gloablrcv_ring: */
-	    NETXEN_NIC_REG(0x234),
-	    /* crb_rcv_ring_size */
-	    NETXEN_NIC_REG(0x238),
-	    },
-	    /* Jumbo frames */
-	    {
-	    /* crb_rcv_producer_offset: */
-	    NETXEN_NIC_REG(0x23c),
-	    /* crb_rcv_consumer_offset: */
-	    NETXEN_NIC_REG(0x240),
-	    /* crb_gloablrcv_ring: */
-	    NETXEN_NIC_REG(0x244),
-	    /* crb_rcv_ring_size */
-	    NETXEN_NIC_REG(0x248),
-	    },
-	    /* LRO */
-	    {
-	    /* crb_rcv_producer_offset: */
-	    NETXEN_NIC_REG(0x24c),
-	    /* crb_rcv_consumer_offset: */
-	    NETXEN_NIC_REG(0x250),
-	    /* crb_gloablrcv_ring: */
-	    NETXEN_NIC_REG(0x254),
-	    /* crb_rcv_ring_size */
-	    NETXEN_NIC_REG(0x258),
-	    }
-	  },
-	  /* crb_rcvstatus_ring: */
-	  NETXEN_NIC_REG(0x25c),
-	  /* crb_rcv_status_producer: */
-	  NETXEN_NIC_REG(0x260),
-	  /* crb_rcv_status_consumer: */
-	  NETXEN_NIC_REG(0x264),
-	  /* crb_rcvpeg_state: */
-	  NETXEN_NIC_REG(0x268),
-	  /* crb_status_ring_size */
-	  NETXEN_NIC_REG(0x26c),
-	},
+#define MASK(n) ((1ULL<<(n))-1)
+#define MN_WIN(addr) (((addr & 0x1fc0000) >> 1) | ((addr >> 25) & 0x3ff))
+#define OCM_WIN(addr) (((addr & 0x1ff0000) >> 1) | ((addr >> 25) & 0x3ff))
+#define MS_WIN(addr) (addr & 0x0ffc0000)
+
+#define GET_MEM_OFFS_2M(addr) (addr & MASK(18))
+
+#define CRB_BLK(off)	((off >> 20) & 0x3f)
+#define CRB_SUBBLK(off)	((off >> 16) & 0xf)
+#define CRB_WINDOW_2M	(0x130060)
+#define CRB_HI(off)	((crb_hub_agt[CRB_BLK(off)] << 20) | ((off) & 0xf0000))
+#define CRB_INDIRECT_2M	(0x1e0000UL)
+
+#define CRB_WIN_LOCK_TIMEOUT 100000000
+static crb_128M_2M_block_map_t crb_128M_2M_map[64] = {
+    {{{0, 0,         0,         0} } },		/* 0: PCI */
+    {{{1, 0x0100000, 0x0102000, 0x120000},	/* 1: PCIE */
+	  {1, 0x0110000, 0x0120000, 0x130000},
+	  {1, 0x0120000, 0x0122000, 0x124000},
+	  {1, 0x0130000, 0x0132000, 0x126000},
+	  {1, 0x0140000, 0x0142000, 0x128000},
+	  {1, 0x0150000, 0x0152000, 0x12a000},
+	  {1, 0x0160000, 0x0170000, 0x110000},
+	  {1, 0x0170000, 0x0172000, 0x12e000},
+	  {0, 0x0000000, 0x0000000, 0x000000},
+	  {0, 0x0000000, 0x0000000, 0x000000},
+	  {0, 0x0000000, 0x0000000, 0x000000},
+	  {0, 0x0000000, 0x0000000, 0x000000},
+	  {0, 0x0000000, 0x0000000, 0x000000},
+	  {0, 0x0000000, 0x0000000, 0x000000},
+	  {1, 0x01e0000, 0x01e0800, 0x122000},
+	  {0, 0x0000000, 0x0000000, 0x000000} } },
+	{{{1, 0x0200000, 0x0210000, 0x180000} } },/* 2: MN */
+    {{{0, 0,         0,         0} } },	    /* 3: */
+    {{{1, 0x0400000, 0x0401000, 0x169000} } },/* 4: P2NR1 */
+    {{{1, 0x0500000, 0x0510000, 0x140000} } },/* 5: SRE   */
+    {{{1, 0x0600000, 0x0610000, 0x1c0000} } },/* 6: NIU   */
+    {{{1, 0x0700000, 0x0704000, 0x1b8000} } },/* 7: QM    */
+    {{{1, 0x0800000, 0x0802000, 0x170000},  /* 8: SQM0  */
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {1, 0x08f0000, 0x08f2000, 0x172000} } },
+    {{{1, 0x0900000, 0x0902000, 0x174000},	/* 9: SQM1*/
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {1, 0x09f0000, 0x09f2000, 0x176000} } },
+    {{{0, 0x0a00000, 0x0a02000, 0x178000},	/* 10: SQM2*/
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {1, 0x0af0000, 0x0af2000, 0x17a000} } },
+    {{{0, 0x0b00000, 0x0b02000, 0x17c000},	/* 11: SQM3*/
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {1, 0x0bf0000, 0x0bf2000, 0x17e000} } },
+	{{{1, 0x0c00000, 0x0c04000, 0x1d4000} } },/* 12: I2Q */
+	{{{1, 0x0d00000, 0x0d04000, 0x1a4000} } },/* 13: TMR */
+	{{{1, 0x0e00000, 0x0e04000, 0x1a0000} } },/* 14: ROMUSB */
+	{{{1, 0x0f00000, 0x0f01000, 0x164000} } },/* 15: PEG4 */
+	{{{0, 0x1000000, 0x1004000, 0x1a8000} } },/* 16: XDMA */
+	{{{1, 0x1100000, 0x1101000, 0x160000} } },/* 17: PEG0 */
+	{{{1, 0x1200000, 0x1201000, 0x161000} } },/* 18: PEG1 */
+	{{{1, 0x1300000, 0x1301000, 0x162000} } },/* 19: PEG2 */
+	{{{1, 0x1400000, 0x1401000, 0x163000} } },/* 20: PEG3 */
+	{{{1, 0x1500000, 0x1501000, 0x165000} } },/* 21: P2ND */
+	{{{1, 0x1600000, 0x1601000, 0x166000} } },/* 22: P2NI */
+	{{{0, 0,         0,         0} } },	/* 23: */
+	{{{0, 0,         0,         0} } },	/* 24: */
+	{{{0, 0,         0,         0} } },	/* 25: */
+	{{{0, 0,         0,         0} } },	/* 26: */
+	{{{0, 0,         0,         0} } },	/* 27: */
+	{{{0, 0,         0,         0} } },	/* 28: */
+	{{{1, 0x1d00000, 0x1d10000, 0x190000} } },/* 29: MS */
+    {{{1, 0x1e00000, 0x1e01000, 0x16a000} } },/* 30: P2NR2 */
+    {{{1, 0x1f00000, 0x1f10000, 0x150000} } },/* 31: EPG */
+	{{{0} } },				/* 32: PCI */
+	{{{1, 0x2100000, 0x2102000, 0x120000},	/* 33: PCIE */
+	  {1, 0x2110000, 0x2120000, 0x130000},
+	  {1, 0x2120000, 0x2122000, 0x124000},
+	  {1, 0x2130000, 0x2132000, 0x126000},
+	  {1, 0x2140000, 0x2142000, 0x128000},
+	  {1, 0x2150000, 0x2152000, 0x12a000},
+	  {1, 0x2160000, 0x2170000, 0x110000},
+	  {1, 0x2170000, 0x2172000, 0x12e000},
+	  {0, 0x0000000, 0x0000000, 0x000000},
+	  {0, 0x0000000, 0x0000000, 0x000000},
+	  {0, 0x0000000, 0x0000000, 0x000000},
+	  {0, 0x0000000, 0x0000000, 0x000000},
+	  {0, 0x0000000, 0x0000000, 0x000000},
+	  {0, 0x0000000, 0x0000000, 0x000000},
+	  {0, 0x0000000, 0x0000000, 0x000000},
+	  {0, 0x0000000, 0x0000000, 0x000000} } },
+	{{{1, 0x2200000, 0x2204000, 0x1b0000} } },/* 34: CAM */
+	{{{0} } },				/* 35: */
+	{{{0} } },				/* 36: */
+	{{{0} } },				/* 37: */
+	{{{0} } },				/* 38: */
+	{{{0} } },				/* 39: */
+	{{{1, 0x2800000, 0x2804000, 0x1a4000} } },/* 40: TMR */
+	{{{1, 0x2900000, 0x2901000, 0x16b000} } },/* 41: P2NR3 */
+	{{{1, 0x2a00000, 0x2a00400, 0x1ac400} } },/* 42: RPMX1 */
+	{{{1, 0x2b00000, 0x2b00400, 0x1ac800} } },/* 43: RPMX2 */
+	{{{1, 0x2c00000, 0x2c00400, 0x1acc00} } },/* 44: RPMX3 */
+	{{{1, 0x2d00000, 0x2d00400, 0x1ad000} } },/* 45: RPMX4 */
+	{{{1, 0x2e00000, 0x2e00400, 0x1ad400} } },/* 46: RPMX5 */
+	{{{1, 0x2f00000, 0x2f00400, 0x1ad800} } },/* 47: RPMX6 */
+	{{{1, 0x3000000, 0x3000400, 0x1adc00} } },/* 48: RPMX7 */
+	{{{0, 0x3100000, 0x3104000, 0x1a8000} } },/* 49: XDMA */
+	{{{1, 0x3200000, 0x3204000, 0x1d4000} } },/* 50: I2Q */
+	{{{1, 0x3300000, 0x3304000, 0x1a0000} } },/* 51: ROMUSB */
+	{{{0} } },				/* 52: */
+	{{{1, 0x3500000, 0x3500400, 0x1ac000} } },/* 53: RPMX0 */
+	{{{1, 0x3600000, 0x3600400, 0x1ae000} } },/* 54: RPMX8 */
+	{{{1, 0x3700000, 0x3700400, 0x1ae400} } },/* 55: RPMX9 */
+	{{{1, 0x3800000, 0x3804000, 0x1d0000} } },/* 56: OCM0 */
+	{{{1, 0x3900000, 0x3904000, 0x1b4000} } },/* 57: CRYPTO */
+	{{{1, 0x3a00000, 0x3a04000, 0x1d8000} } },/* 58: SMB */
+	{{{0} } },				/* 59: I2C0 */
+	{{{0} } },				/* 60: I2C1 */
+	{{{1, 0x3d00000, 0x3d04000, 0x1d8000} } },/* 61: LPC */
+	{{{1, 0x3e00000, 0x3e01000, 0x167000} } },/* 62: P2NC */
+	{{{1, 0x3f00000, 0x3f01000, 0x168000} } }	/* 63: P2NR0 */
 };
 
-static u64 ctx_addr_sig_regs[][3] = {
-	{NETXEN_NIC_REG(0x188), NETXEN_NIC_REG(0x18c), NETXEN_NIC_REG(0x1c0)},
-	{NETXEN_NIC_REG(0x190), NETXEN_NIC_REG(0x194), NETXEN_NIC_REG(0x1c4)},
-	{NETXEN_NIC_REG(0x198), NETXEN_NIC_REG(0x19c), NETXEN_NIC_REG(0x1c8)},
-	{NETXEN_NIC_REG(0x1a0), NETXEN_NIC_REG(0x1a4), NETXEN_NIC_REG(0x1cc)}
+/*
+ * top 12 bits of crb internal address (hub, agent)
+ */
+static unsigned crb_hub_agt[64] =
+{
+	0,
+	NETXEN_HW_CRB_HUB_AGT_ADR_PS,
+	NETXEN_HW_CRB_HUB_AGT_ADR_MN,
+	NETXEN_HW_CRB_HUB_AGT_ADR_MS,
+	0,
+	NETXEN_HW_CRB_HUB_AGT_ADR_SRE,
+	NETXEN_HW_CRB_HUB_AGT_ADR_NIU,
+	NETXEN_HW_CRB_HUB_AGT_ADR_QMN,
+	NETXEN_HW_CRB_HUB_AGT_ADR_SQN0,
+	NETXEN_HW_CRB_HUB_AGT_ADR_SQN1,
+	NETXEN_HW_CRB_HUB_AGT_ADR_SQN2,
+	NETXEN_HW_CRB_HUB_AGT_ADR_SQN3,
+	NETXEN_HW_CRB_HUB_AGT_ADR_I2Q,
+	NETXEN_HW_CRB_HUB_AGT_ADR_TIMR,
+	NETXEN_HW_CRB_HUB_AGT_ADR_ROMUSB,
+	NETXEN_HW_CRB_HUB_AGT_ADR_PGN4,
+	NETXEN_HW_CRB_HUB_AGT_ADR_XDMA,
+	NETXEN_HW_CRB_HUB_AGT_ADR_PGN0,
+	NETXEN_HW_CRB_HUB_AGT_ADR_PGN1,
+	NETXEN_HW_CRB_HUB_AGT_ADR_PGN2,
+	NETXEN_HW_CRB_HUB_AGT_ADR_PGN3,
+	NETXEN_HW_CRB_HUB_AGT_ADR_PGND,
+	NETXEN_HW_CRB_HUB_AGT_ADR_PGNI,
+	NETXEN_HW_CRB_HUB_AGT_ADR_PGS0,
+	NETXEN_HW_CRB_HUB_AGT_ADR_PGS1,
+	NETXEN_HW_CRB_HUB_AGT_ADR_PGS2,
+	NETXEN_HW_CRB_HUB_AGT_ADR_PGS3,
+	0,
+	NETXEN_HW_CRB_HUB_AGT_ADR_PGSI,
+	NETXEN_HW_CRB_HUB_AGT_ADR_SN,
+	0,
+	NETXEN_HW_CRB_HUB_AGT_ADR_EG,
+	0,
+	NETXEN_HW_CRB_HUB_AGT_ADR_PS,
+	NETXEN_HW_CRB_HUB_AGT_ADR_CAM,
+	0,
+	0,
+	0,
+	0,
+	0,
+	NETXEN_HW_CRB_HUB_AGT_ADR_TIMR,
+	0,
+	NETXEN_HW_CRB_HUB_AGT_ADR_RPMX1,
+	NETXEN_HW_CRB_HUB_AGT_ADR_RPMX2,
+	NETXEN_HW_CRB_HUB_AGT_ADR_RPMX3,
+	NETXEN_HW_CRB_HUB_AGT_ADR_RPMX4,
+	NETXEN_HW_CRB_HUB_AGT_ADR_RPMX5,
+	NETXEN_HW_CRB_HUB_AGT_ADR_RPMX6,
+	NETXEN_HW_CRB_HUB_AGT_ADR_RPMX7,
+	NETXEN_HW_CRB_HUB_AGT_ADR_XDMA,
+	NETXEN_HW_CRB_HUB_AGT_ADR_I2Q,
+	NETXEN_HW_CRB_HUB_AGT_ADR_ROMUSB,
+	0,
+	NETXEN_HW_CRB_HUB_AGT_ADR_RPMX0,
+	NETXEN_HW_CRB_HUB_AGT_ADR_RPMX8,
+	NETXEN_HW_CRB_HUB_AGT_ADR_RPMX9,
+	NETXEN_HW_CRB_HUB_AGT_ADR_OCM0,
+	0,
+	NETXEN_HW_CRB_HUB_AGT_ADR_SMB,
+	NETXEN_HW_CRB_HUB_AGT_ADR_I2C0,
+	NETXEN_HW_CRB_HUB_AGT_ADR_I2C1,
+	0,
+	NETXEN_HW_CRB_HUB_AGT_ADR_PGNC,
+	0,
 };
-#define CRB_CTX_ADDR_REG_LO(FUNC_ID)		(ctx_addr_sig_regs[FUNC_ID][0])
-#define CRB_CTX_ADDR_REG_HI(FUNC_ID)		(ctx_addr_sig_regs[FUNC_ID][2])
-#define CRB_CTX_SIGNATURE_REG(FUNC_ID)		(ctx_addr_sig_regs[FUNC_ID][1])
-
 
 /*  PCI Windowing for DDR regions.  */
 
 #define ADDR_IN_RANGE(addr, low, high)	\
 	(((addr) <= (high)) && ((addr) >= (low)))
 
-#define NETXEN_FLASH_BASE	(NETXEN_BOOTLD_START)
-#define NETXEN_PHANTOM_MEM_BASE	(NETXEN_FLASH_BASE)
 #define NETXEN_MAX_MTU		8000 + NETXEN_ENET_HEADER_SIZE + NETXEN_ETH_FCS_SIZE
 #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_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)
 
-#define lower32(x)		((u32)((x) & 0xffffffff))
-#define upper32(x)			\
-	((u32)(((unsigned long long)(x) >> 32) & 0xffffffff))
-
 #define NETXEN_NIC_ZERO_PAUSE_ADDR     0ULL
 #define NETXEN_NIC_UNIT_PAUSE_ADDR     0x200ULL
 #define NETXEN_NIC_EPG_PAUSE_ADDR1     0x2200010000c28001ULL
@@ -281,10 +301,6 @@ static u64 ctx_addr_sig_regs[][3] = {
 
 #define NETXEN_NIC_WINDOW_MARGIN 0x100000
 
-static unsigned long netxen_nic_pci_set_window(struct netxen_adapter *adapter,
-					       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_adapter *adapter = netdev_priv(netdev);
@@ -296,266 +312,370 @@ int netxen_nic_set_mac(struct net_device *netdev, void *p)
 	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->macaddr_set)
-		adapter->macaddr_set(adapter, addr->sa_data);
+	/* For P3, MAC addr is not set in NIU */
+	if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
+		if (adapter->macaddr_set)
+			adapter->macaddr_set(adapter, addr->sa_data);
 
 	return 0;
 }
 
-/*
- * netxen_nic_set_multi - Multicast
- */
-void netxen_nic_set_multi(struct net_device *netdev)
+#define NETXEN_UNICAST_ADDR(port, index) \
+	(NETXEN_UNICAST_ADDR_BASE+(port*32)+(index*8))
+#define NETXEN_MCAST_ADDR(port, index) \
+	(NETXEN_MULTICAST_ADDR_BASE+(port*0x80)+(index*8))
+#define MAC_HI(addr) \
+	((addr[2] << 16) | (addr[1] << 8) | (addr[0]))
+#define MAC_LO(addr) \
+	((addr[5] << 16) | (addr[4] << 8) | (addr[3]))
+
+static int
+netxen_nic_enable_mcast_filter(struct netxen_adapter *adapter)
+{
+	u32	val = 0;
+	u16 port = adapter->physical_port;
+	u8 *addr = adapter->netdev->dev_addr;
+
+	if (adapter->mc_enabled)
+		return 0;
+
+	adapter->hw_read_wx(adapter, NETXEN_MAC_ADDR_CNTL_REG, &val, 4);
+	val |= (1UL << (28+port));
+	adapter->hw_write_wx(adapter, NETXEN_MAC_ADDR_CNTL_REG, &val, 4);
+
+	/* add broadcast addr to filter */
+	val = 0xffffff;
+	netxen_crb_writelit_adapter(adapter, NETXEN_UNICAST_ADDR(port, 0), val);
+	netxen_crb_writelit_adapter(adapter,
+			NETXEN_UNICAST_ADDR(port, 0)+4, val);
+
+	/* add station addr to filter */
+	val = MAC_HI(addr);
+	netxen_crb_writelit_adapter(adapter, NETXEN_UNICAST_ADDR(port, 1), val);
+	val = MAC_LO(addr);
+	netxen_crb_writelit_adapter(adapter,
+			NETXEN_UNICAST_ADDR(port, 1)+4, val);
+
+	adapter->mc_enabled = 1;
+	return 0;
+}
+
+static int
+netxen_nic_disable_mcast_filter(struct netxen_adapter *adapter)
+{
+	u32	val = 0;
+	u16 port = adapter->physical_port;
+	u8 *addr = adapter->netdev->dev_addr;
+
+	if (!adapter->mc_enabled)
+		return 0;
+
+	adapter->hw_read_wx(adapter, NETXEN_MAC_ADDR_CNTL_REG, &val, 4);
+	val &= ~(1UL << (28+port));
+	adapter->hw_write_wx(adapter, NETXEN_MAC_ADDR_CNTL_REG, &val, 4);
+
+	val = MAC_HI(addr);
+	netxen_crb_writelit_adapter(adapter, NETXEN_UNICAST_ADDR(port, 0), val);
+	val = MAC_LO(addr);
+	netxen_crb_writelit_adapter(adapter,
+			NETXEN_UNICAST_ADDR(port, 0)+4, val);
+
+	netxen_crb_writelit_adapter(adapter, NETXEN_UNICAST_ADDR(port, 1), 0);
+	netxen_crb_writelit_adapter(adapter, NETXEN_UNICAST_ADDR(port, 1)+4, 0);
+
+	adapter->mc_enabled = 0;
+	return 0;
+}
+
+static int
+netxen_nic_set_mcast_addr(struct netxen_adapter *adapter,
+		int index, u8 *addr)
+{
+	u32 hi = 0, lo = 0;
+	u16 port = adapter->physical_port;
+
+	lo = MAC_LO(addr);
+	hi = MAC_HI(addr);
+
+	netxen_crb_writelit_adapter(adapter,
+			NETXEN_MCAST_ADDR(port, index), hi);
+	netxen_crb_writelit_adapter(adapter,
+			NETXEN_MCAST_ADDR(port, index)+4, lo);
+
+	return 0;
+}
+
+void netxen_p2_nic_set_multi(struct net_device *netdev)
 {
 	struct netxen_adapter *adapter = netdev_priv(netdev);
 	struct dev_mc_list *mc_ptr;
+	u8 null_addr[6];
+	int index = 0;
+
+	memset(null_addr, 0, 6);
 
-	mc_ptr = netdev->mc_list;
 	if (netdev->flags & IFF_PROMISC) {
-		if (adapter->set_promisc)
-			adapter->set_promisc(adapter,
-					     NETXEN_NIU_PROMISC_MODE);
-	} else {
-		if (adapter->unset_promisc)
-			adapter->unset_promisc(adapter,
-					       NETXEN_NIU_NON_PROMISC_MODE);
+
+		adapter->set_promisc(adapter,
+				NETXEN_NIU_PROMISC_MODE);
+
+		/* Full promiscuous mode */
+		netxen_nic_disable_mcast_filter(adapter);
+
+		return;
+	}
+
+	if (netdev->mc_count == 0) {
+		adapter->set_promisc(adapter,
+				NETXEN_NIU_NON_PROMISC_MODE);
+		netxen_nic_disable_mcast_filter(adapter);
+		return;
 	}
+
+	adapter->set_promisc(adapter, NETXEN_NIU_ALLMULTI_MODE);
+	if (netdev->flags & IFF_ALLMULTI ||
+			netdev->mc_count > adapter->max_mc_count) {
+		netxen_nic_disable_mcast_filter(adapter);
+		return;
+	}
+
+	netxen_nic_enable_mcast_filter(adapter);
+
+	for (mc_ptr = netdev->mc_list; mc_ptr; mc_ptr = mc_ptr->next, index++)
+		netxen_nic_set_mcast_addr(adapter, index, mc_ptr->dmi_addr);
+
+	if (index != netdev->mc_count)
+		printk(KERN_WARNING "%s: %s multicast address count mismatch\n",
+			netxen_nic_driver_name, netdev->name);
+
+	/* Clear out remaining addresses */
+	for (; index < adapter->max_mc_count; index++)
+		netxen_nic_set_mcast_addr(adapter, index, null_addr);
 }
 
-/*
- * 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)
+static int nx_p3_nic_add_mac(struct netxen_adapter *adapter,
+		u8 *addr, nx_mac_list_t **add_list, nx_mac_list_t **del_list)
 {
-	struct netxen_adapter *adapter = netdev_priv(netdev);
-	int eff_mtu = mtu + NETXEN_ENET_HEADER_SIZE + NETXEN_ETH_FCS_SIZE;
+	nx_mac_list_t *cur, *prev;
+
+	/* if in del_list, move it to adapter->mac_list */
+	for (cur = *del_list, prev = NULL; cur;) {
+		if (memcmp(addr, cur->mac_addr, ETH_ALEN) == 0) {
+			if (prev == NULL)
+				*del_list = cur->next;
+			else
+				prev->next = cur->next;
+			cur->next = adapter->mac_list;
+			adapter->mac_list = cur;
+			return 0;
+		}
+		prev = cur;
+		cur = cur->next;
+	}
+
+	/* make sure to add each mac address only once */
+	for (cur = adapter->mac_list; cur; cur = cur->next) {
+		if (memcmp(addr, cur->mac_addr, ETH_ALEN) == 0)
+			return 0;
+	}
+	/* not in del_list, create new entry and add to add_list */
+	cur = kmalloc(sizeof(*cur), in_atomic()? GFP_ATOMIC : GFP_KERNEL);
+	if (cur == NULL) {
+		printk(KERN_ERR "%s: cannot allocate memory. MAC filtering may"
+				"not work properly from now.\n", __func__);
+		return -1;
+	}
 
-	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);
+	memcpy(cur->mac_addr, addr, ETH_ALEN);
+	cur->next = *add_list;
+	*add_list = cur;
+	return 0;
+}
+
+static int
+netxen_send_cmd_descs(struct netxen_adapter *adapter,
+		struct cmd_desc_type0 *cmd_desc_arr, int nr_elements)
+{
+	uint32_t i, producer;
+	struct netxen_cmd_buffer *pbuf;
+	struct cmd_desc_type0 *cmd_desc;
+
+	if (nr_elements > MAX_PENDING_DESC_BLOCK_SIZE || nr_elements == 0) {
+		printk(KERN_WARNING "%s: Too many command descriptors in a "
+			      "request\n", __func__);
 		return -EINVAL;
 	}
 
-	if (adapter->set_mtu)
-		adapter->set_mtu(adapter, mtu);
-	netdev->mtu = mtu;
+	i = 0;
+
+	producer = adapter->cmd_producer;
+	do {
+		cmd_desc = &cmd_desc_arr[i];
+
+		pbuf = &adapter->cmd_buf_arr[producer];
+		pbuf->mss = 0;
+		pbuf->total_length = 0;
+		pbuf->skb = NULL;
+		pbuf->cmd = 0;
+		pbuf->frag_count = 0;
+		pbuf->port = 0;
+
+		/* adapter->ahw.cmd_desc_head[producer] = *cmd_desc; */
+		memcpy(&adapter->ahw.cmd_desc_head[producer],
+			&cmd_desc_arr[i], sizeof(struct cmd_desc_type0));
+
+		producer = get_next_index(producer,
+				adapter->max_tx_desc_count);
+		i++;
+
+	} while (i != nr_elements);
+
+	adapter->cmd_producer = producer;
+
+	/* write producer index to start the xmit */
+
+	netxen_nic_update_cmd_producer(adapter, adapter->cmd_producer);
 
 	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)
+#define NIC_REQUEST		0x14
+#define NETXEN_MAC_EVENT	0x1
+
+static int nx_p3_sre_macaddr_change(struct net_device *dev,
+		u8 *addr, unsigned op)
 {
-	struct netxen_hardware_context *hw = &adapter->ahw;
-	u32 state = 0;
-	void *addr;
-	int loops = 0, err = 0;
-	int ctx, ring;
-	struct netxen_recv_context *recv_ctx;
-	struct netxen_rcv_desc_ctx *rcv_desc;
-	int func_id = adapter->portnum;
-
-	DPRINTK(INFO, "crb_base: %lx %x", NETXEN_PCI_CRBSPACE,
-		PCI_OFFSET_SECOND_RANGE(adapter, NETXEN_PCI_CRBSPACE));
-	DPRINTK(INFO, "cam base: %lx %x", NETXEN_CRB_CAM,
-		pci_base_offset(adapter, NETXEN_CRB_CAM));
-	DPRINTK(INFO, "cam RAM: %lx %x", NETXEN_CAM_RAM_BASE,
-		pci_base_offset(adapter, NETXEN_CAM_RAM_BASE));
-
-
-	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) {
-			msleep(1);
-			/* 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;
-		}
+	struct netxen_adapter *adapter = (struct netxen_adapter *)dev->priv;
+	nx_nic_req_t req;
+	nx_mac_req_t mac_req;
+	int rv;
+
+	memset(&req, 0, sizeof(nx_nic_req_t));
+	req.qhdr |= (NIC_REQUEST << 23);
+	req.req_hdr |= NETXEN_MAC_EVENT;
+	req.req_hdr |= ((u64)adapter->portnum << 16);
+	mac_req.op = op;
+	memcpy(&mac_req.mac_addr, addr, 6);
+	req.words[0] = cpu_to_le64(*(u64 *)&mac_req);
+
+	rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
+	if (rv != 0) {
+		printk(KERN_ERR "ERROR. Could not send mac update\n");
+		return rv;
 	}
-	adapter->intr_scheme = readl(
-		NETXEN_CRB_NORMALIZE(adapter, CRB_NIC_CAPABILITIES_FW));
-	adapter->msi_mode = readl(
-		NETXEN_CRB_NORMALIZE(adapter, CRB_NIC_MSI_MODE_FW));
-
-	addr = netxen_alloc(adapter->ahw.pdev,
-			    sizeof(struct netxen_ring_ctx) +
-			    sizeof(uint32_t),
-			    (dma_addr_t *) & adapter->ctx_desc_phys_addr,
-			    &adapter->ctx_desc_pdev);
-
-	if (addr == NULL) {
-		DPRINTK(ERR, "bad return from pci_alloc_consistent\n");
-		err = -ENOMEM;
-		return err;
-	}
-	memset(addr, 0, sizeof(struct netxen_ring_ctx));
-	adapter->ctx_desc = (struct netxen_ring_ctx *)addr;
-	adapter->ctx_desc->ctx_id = cpu_to_le32(adapter->portnum);
-	adapter->ctx_desc->cmd_consumer_offset =
-	    cpu_to_le64(adapter->ctx_desc_phys_addr +
-			sizeof(struct netxen_ring_ctx));
-	adapter->cmd_consumer = (__le32 *) (((char *)addr) +
-					      sizeof(struct netxen_ring_ctx));
-
-	addr = netxen_alloc(adapter->ahw.pdev,
-			    sizeof(struct cmd_desc_type0) *
-			    adapter->max_tx_desc_count,
-			    (dma_addr_t *) & hw->cmd_desc_phys_addr,
-			    &adapter->ahw.cmd_desc_pdev);
-
-	if (addr == NULL) {
-		DPRINTK(ERR, "bad return from pci_alloc_consistent\n");
-		netxen_free_hw_resources(adapter);
-		return -ENOMEM;
-	}
-
-	adapter->ctx_desc->cmd_ring_addr =
-		cpu_to_le64(hw->cmd_desc_phys_addr);
-	adapter->ctx_desc->cmd_ring_size =
-		cpu_to_le32(adapter->max_tx_desc_count);
-
-	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 = netxen_alloc(adapter->ahw.pdev,
-					    RCV_DESC_RINGSIZE,
-					    &rcv_desc->phys_addr,
-					    &rcv_desc->phys_pdev);
-			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;
-			adapter->ctx_desc->rcv_ctx[ring].rcv_ring_addr =
-			    cpu_to_le64(rcv_desc->phys_addr);
-			adapter->ctx_desc->rcv_ctx[ring].rcv_ring_size =
-			    cpu_to_le32(rcv_desc->max_rx_desc_count);
-		}
 
-		addr = netxen_alloc(adapter->ahw.pdev, STATUS_DESC_RINGSIZE,
-				    &recv_ctx->rcv_status_desc_phys_addr,
-				    &recv_ctx->rcv_status_desc_pdev);
-		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;
-		adapter->ctx_desc->sts_ring_addr =
-		    cpu_to_le64(recv_ctx->rcv_status_desc_phys_addr);
-		adapter->ctx_desc->sts_ring_size =
-		    cpu_to_le32(adapter->max_rx_desc_count);
-
-	}
-	/* Window = 1 */
-
-	writel(lower32(adapter->ctx_desc_phys_addr),
-	       NETXEN_CRB_NORMALIZE(adapter, CRB_CTX_ADDR_REG_LO(func_id)));
-	writel(upper32(adapter->ctx_desc_phys_addr),
-	       NETXEN_CRB_NORMALIZE(adapter, CRB_CTX_ADDR_REG_HI(func_id)));
-	writel(NETXEN_CTX_SIGNATURE | func_id,
-	       NETXEN_CRB_NORMALIZE(adapter, CRB_CTX_SIGNATURE_REG(func_id)));
-	return err;
+	return 0;
 }
 
-void netxen_free_hw_resources(struct netxen_adapter *adapter)
+void netxen_p3_nic_set_multi(struct net_device *netdev)
 {
-	struct netxen_recv_context *recv_ctx;
-	struct netxen_rcv_desc_ctx *rcv_desc;
-	int ctx, ring;
-
-	if (adapter->ctx_desc != NULL) {
-		pci_free_consistent(adapter->ctx_desc_pdev,
-				    sizeof(struct netxen_ring_ctx) +
-				    sizeof(uint32_t),
-				    adapter->ctx_desc,
-				    adapter->ctx_desc_phys_addr);
-		adapter->ctx_desc = NULL;
-	}
-
-	if (adapter->ahw.cmd_desc_head != NULL) {
-		pci_free_consistent(adapter->ahw.cmd_desc_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(rcv_desc->phys_pdev,
-						    RCV_DESC_RINGSIZE,
-						    rcv_desc->desc_head,
-						    rcv_desc->phys_addr);
-				rcv_desc->desc_head = NULL;
-			}
-		}
+	struct netxen_adapter *adapter = netdev_priv(netdev);
+	nx_mac_list_t *cur, *next, *del_list, *add_list = NULL;
+	struct dev_mc_list *mc_ptr;
+	u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
+
+	adapter->set_promisc(adapter, NETXEN_NIU_PROMISC_MODE);
 
-		if (recv_ctx->rcv_status_desc_head != NULL) {
-			pci_free_consistent(recv_ctx->rcv_status_desc_pdev,
-					    STATUS_DESC_RINGSIZE,
-					    recv_ctx->rcv_status_desc_head,
-					    recv_ctx->
-					    rcv_status_desc_phys_addr);
-			recv_ctx->rcv_status_desc_head = NULL;
+	/*
+	 * Programming mac addresses will automaticly enabling L2 filtering.
+	 * HW will replace timestamp with L2 conid when L2 filtering is
+	 * enabled. This causes problem for LSA. Do not enabling L2 filtering
+	 * until that problem is fixed.
+	 */
+	if ((netdev->flags & IFF_PROMISC) ||
+			(netdev->mc_count > adapter->max_mc_count))
+		return;
+
+	del_list = adapter->mac_list;
+	adapter->mac_list = NULL;
+
+	nx_p3_nic_add_mac(adapter, netdev->dev_addr, &add_list, &del_list);
+	if (netdev->mc_count > 0) {
+		nx_p3_nic_add_mac(adapter, bcast_addr, &add_list, &del_list);
+		for (mc_ptr = netdev->mc_list; mc_ptr;
+		     mc_ptr = mc_ptr->next) {
+			nx_p3_nic_add_mac(adapter, mc_ptr->dmi_addr,
+					  &add_list, &del_list);
 		}
 	}
+	for (cur = del_list; cur;) {
+		nx_p3_sre_macaddr_change(netdev, cur->mac_addr, NETXEN_MAC_DEL);
+		next = cur->next;
+		kfree(cur);
+		cur = next;
+	}
+	for (cur = add_list; cur;) {
+		nx_p3_sre_macaddr_change(netdev, cur->mac_addr, NETXEN_MAC_ADD);
+		next = cur->next;
+		cur->next = adapter->mac_list;
+		adapter->mac_list = cur;
+		cur = next;
+	}
 }
 
-void netxen_tso_check(struct netxen_adapter *adapter,
-		      struct cmd_desc_type0 *desc, struct sk_buff *skb)
+#define	NETXEN_CONFIG_INTR_COALESCE	3
+
+/*
+ * Send the interrupt coalescing parameter set by ethtool to the card.
+ */
+int netxen_config_intr_coalesce(struct netxen_adapter *adapter)
 {
-	if (desc->mss) {
-		desc->total_hdr_length = (sizeof(struct ethhdr) +
-					  ip_hdrlen(skb) + tcp_hdrlen(skb));
-		netxen_set_cmd_desc_opcode(desc, TX_TCP_LSO);
-	} else if (skb->ip_summed == CHECKSUM_PARTIAL) {
-		if (ip_hdr(skb)->protocol == IPPROTO_TCP) {
-			netxen_set_cmd_desc_opcode(desc, TX_TCP_PKT);
-		} else if (ip_hdr(skb)->protocol == IPPROTO_UDP) {
-			netxen_set_cmd_desc_opcode(desc, TX_UDP_PKT);
-		} else {
-			return;
-		}
+	nx_nic_req_t req;
+	int rv;
+
+	memset(&req, 0, sizeof(nx_nic_req_t));
+
+	req.qhdr |= (NIC_REQUEST << 23);
+	req.req_hdr |= NETXEN_CONFIG_INTR_COALESCE;
+	req.req_hdr |= ((u64)adapter->portnum << 16);
+
+	memcpy(&req.words[0], &adapter->coal, sizeof(adapter->coal));
+
+	rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
+	if (rv != 0) {
+		printk(KERN_ERR "ERROR. Could not send "
+			"interrupt coalescing parameters\n");
 	}
-	desc->tcp_hdr_offset = skb_transport_offset(skb);
-	desc->ip_hdr_offset = skb_network_offset(skb);
+
+	return rv;
+}
+
+/*
+ * netxen_nic_change_mtu - Change the Maximum Transfer Unit
+ * @returns 0 on success, negative on failure
+ */
+
+#define MTU_FUDGE_FACTOR	100
+
+int netxen_nic_change_mtu(struct net_device *netdev, int mtu)
+{
+	struct netxen_adapter *adapter = netdev_priv(netdev);
+	int max_mtu;
+
+	if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
+		max_mtu = P3_MAX_MTU;
+	else
+		max_mtu = P2_MAX_MTU;
+
+	if (mtu > max_mtu) {
+		printk(KERN_ERR "%s: mtu > %d bytes unsupported\n",
+				netdev->name, max_mtu);
+		return -EINVAL;
+	}
+
+	if (adapter->set_mtu)
+		adapter->set_mtu(adapter, mtu);
+	netdev->mtu = mtu;
+
+	mtu += MTU_FUDGE_FACTOR;
+	if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
+		nx_fw_cmd_set_mtu(adapter, mtu);
+	else if (adapter->set_mtu)
+		adapter->set_mtu(adapter, mtu);
+
+	return 0;
 }
 
 int netxen_is_flash_supported(struct netxen_adapter *adapter)
@@ -632,41 +752,49 @@ int netxen_get_flash_mac_addr(struct netxen_adapter *adapter, __le64 mac[])
 	return 0;
 }
 
+#define CRB_WIN_LOCK_TIMEOUT 100000000
+
+static int crb_win_lock(struct netxen_adapter *adapter)
+{
+	int done = 0, timeout = 0;
+
+	while (!done) {
+		/* acquire semaphore3 from PCI HW block */
+		adapter->hw_read_wx(adapter,
+				NETXEN_PCIE_REG(PCIE_SEM7_LOCK), &done, 4);
+		if (done == 1)
+			break;
+		if (timeout >= CRB_WIN_LOCK_TIMEOUT)
+			return -1;
+		timeout++;
+		udelay(1);
+	}
+	netxen_crb_writelit_adapter(adapter,
+			NETXEN_CRB_WIN_LOCK_ID, adapter->portnum);
+	return 0;
+}
+
+static void crb_win_unlock(struct netxen_adapter *adapter)
+{
+	int val;
+
+	adapter->hw_read_wx(adapter,
+			NETXEN_PCIE_REG(PCIE_SEM7_UNLOCK), &val, 4);
+}
+
 /*
  * Changes the CRB window to the specified window.
  */
-void netxen_nic_pci_change_crbwindow(struct netxen_adapter *adapter, u32 wndw)
+void
+netxen_nic_pci_change_crbwindow_128M(struct netxen_adapter *adapter, u32 wndw)
 {
 	void __iomem *offset;
 	u32 tmp;
 	int count = 0;
+	uint8_t func = adapter->ahw.pci_func;
 
 	if (adapter->curr_window == wndw)
 		return;
-	switch(adapter->ahw.pci_func) {
-		case 0:
-			offset = PCI_OFFSET_SECOND_RANGE(adapter,
-					NETXEN_PCIX_PH_REG(PCIX_CRB_WINDOW));
-			break;
-		case 1:
-			offset = PCI_OFFSET_SECOND_RANGE(adapter,
-					NETXEN_PCIX_PH_REG(PCIX_CRB_WINDOW_F1));
-			break;
-		case 2:
-			offset = PCI_OFFSET_SECOND_RANGE(adapter,
-					NETXEN_PCIX_PH_REG(PCIX_CRB_WINDOW_F2));
-			break;
-		case 3:
-			offset = PCI_OFFSET_SECOND_RANGE(adapter,
-					NETXEN_PCIX_PH_REG(PCIX_CRB_WINDOW_F3));
-			break;
-		default:
-			printk(KERN_INFO "Changing the window for PCI function "
-					"%d\n",	adapter->ahw.pci_func);
-			offset = PCI_OFFSET_SECOND_RANGE(adapter,
-					NETXEN_PCIX_PH_REG(PCIX_CRB_WINDOW));
-			break;
-	}
 	/*
 	 * Move the CRB window.
 	 * We need to write to the "direct access" region of PCI
@@ -675,6 +803,8 @@ void netxen_nic_pci_change_crbwindow(struct netxen_adapter *adapter, u32 wndw)
 	 * register address is received by PCI. The direct region bypasses
 	 * the CRB bus.
 	 */
+	offset = PCI_OFFSET_SECOND_RANGE(adapter,
+			NETXEN_PCIX_PH_REG(PCIE_CRB_WINDOW_REG(func)));
 
 	if (wndw & 0x1)
 		wndw = NETXEN_WINDOW_ONE;
@@ -685,7 +815,7 @@ void netxen_nic_pci_change_crbwindow(struct netxen_adapter *adapter, u32 wndw)
 	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);
+		       netxen_nic_driver_name, __func__, tmp);
 		mdelay(1);
 		if (count >= 10)
 			break;
@@ -698,51 +828,119 @@ void netxen_nic_pci_change_crbwindow(struct netxen_adapter *adapter, u32 wndw)
 		adapter->curr_window = 0;
 }
 
+/*
+ * Return -1 if off is not valid,
+ *	 1 if window access is needed. 'off' is set to offset from
+ *	   CRB space in 128M pci map
+ *	 0 if no window access is needed. 'off' is set to 2M addr
+ * In: 'off' is offset from base in 128M pci map
+ */
+static int
+netxen_nic_pci_get_crb_addr_2M(struct netxen_adapter *adapter,
+		ulong *off, int len)
+{
+	unsigned long end = *off + len;
+	crb_128M_2M_sub_block_map_t *m;
+
+
+	if (*off >= NETXEN_CRB_MAX)
+		return -1;
+
+	if (*off >= NETXEN_PCI_CAMQM && (end <= NETXEN_PCI_CAMQM_2M_END)) {
+		*off = (*off - NETXEN_PCI_CAMQM) + NETXEN_PCI_CAMQM_2M_BASE +
+			(ulong)adapter->ahw.pci_base0;
+		return 0;
+	}
+
+	if (*off < NETXEN_PCI_CRBSPACE)
+		return -1;
+
+	*off -= NETXEN_PCI_CRBSPACE;
+	end = *off + len;
+
+	/*
+	 * Try direct map
+	 */
+	m = &crb_128M_2M_map[CRB_BLK(*off)].sub_block[CRB_SUBBLK(*off)];
+
+	if (m->valid && (m->start_128M <= *off) && (m->end_128M >= end)) {
+		*off = *off + m->start_2M - m->start_128M +
+			(ulong)adapter->ahw.pci_base0;
+		return 0;
+	}
+
+	/*
+	 * Not in direct map, use crb window
+	 */
+	return 1;
+}
+
+/*
+ * In: 'off' is offset from CRB space in 128M pci map
+ * Out: 'off' is 2M pci map addr
+ * side effect: lock crb window
+ */
+static void
+netxen_nic_pci_set_crbwindow_2M(struct netxen_adapter *adapter, ulong *off)
+{
+	u32 win_read;
+
+	adapter->crb_win = CRB_HI(*off);
+	writel(adapter->crb_win, (void *)(CRB_WINDOW_2M +
+		adapter->ahw.pci_base0));
+	/*
+	 * Read back value to make sure write has gone through before trying
+	 * to use it.
+	 */
+	win_read = readl((void *)(CRB_WINDOW_2M + adapter->ahw.pci_base0));
+	if (win_read != adapter->crb_win) {
+		printk(KERN_ERR "%s: Written crbwin (0x%x) != "
+				"Read crbwin (0x%x), off=0x%lx\n",
+				__func__, adapter->crb_win, win_read, *off);
+	}
+	*off = (*off & MASK(16)) + CRB_INDIRECT_2M +
+		(ulong)adapter->ahw.pci_base0;
+}
+
 int netxen_load_firmware(struct netxen_adapter *adapter)
 {
 	int i;
 	u32 data, size = 0;
-	u32 flashaddr = NETXEN_FLASH_BASE, memaddr = NETXEN_PHANTOM_MEM_BASE;
-	u64 off;
-	void __iomem *addr;
+	u32 flashaddr = NETXEN_BOOTLD_START, memaddr = NETXEN_BOOTLD_START;
 
-	size = NETXEN_FIRMWARE_LEN;
-	writel(1, NETXEN_CRB_NORMALIZE(adapter, NETXEN_ROMUSB_GLB_CAS_RST));
+	size = (NETXEN_IMAGE_START - NETXEN_BOOTLD_START)/4;
+
+	if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
+		adapter->pci_write_normalize(adapter,
+				NETXEN_ROMUSB_GLB_CAS_RST, 1);
 
 	for (i = 0; i < size; i++) {
-		int retries = 10;
 		if (netxen_rom_fast_read(adapter, flashaddr, (int *)&data) != 0)
 			return -EIO;
 
-		off = netxen_nic_pci_set_window(adapter, memaddr);
-		addr = pci_base_offset(adapter, off);
-		writel(data, addr);
-		do {
-			if (readl(addr) == data)
-				break;
-			msleep(100);
-			writel(data, addr);
-		} while (--retries);
-		if (!retries) {
-			printk(KERN_ERR "%s: firmware load aborted, write failed at 0x%x\n",
-					netxen_nic_driver_name, memaddr);
-			return -EIO;
-		}
+		adapter->pci_mem_write(adapter, memaddr, &data, 4);
 		flashaddr += 4;
 		memaddr += 4;
+		cond_resched();
+	}
+	msleep(1);
+
+	if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
+		adapter->pci_write_normalize(adapter,
+				NETXEN_ROMUSB_GLB_SW_RESET, 0x80001d);
+	else {
+		adapter->pci_write_normalize(adapter,
+				NETXEN_ROMUSB_GLB_CHIP_CLK_CTRL, 0x3fff);
+		adapter->pci_write_normalize(adapter,
+				NETXEN_ROMUSB_GLB_CAS_RST, 0);
 	}
-	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));
 
 	return 0;
 }
 
 int
-netxen_nic_hw_write_wx(struct netxen_adapter *adapter, u64 off, void *data,
-		       int len)
+netxen_nic_hw_write_wx_128M(struct netxen_adapter *adapter,
+		ulong off, void *data, int len)
 {
 	void __iomem *addr;
 
@@ -750,7 +948,7 @@ netxen_nic_hw_write_wx(struct netxen_adapter *adapter, u64 off, void *data,
 		addr = NETXEN_CRB_NORMALIZE(adapter, off);
 	} else {		/* Window 0 */
 		addr = pci_base_offset(adapter, off);
-		netxen_nic_pci_change_crbwindow(adapter, 0);
+		netxen_nic_pci_change_crbwindow_128M(adapter, 0);
 	}
 
 	DPRINTK(INFO, "writing to base %lx offset %llx addr %p"
@@ -758,7 +956,7 @@ netxen_nic_hw_write_wx(struct netxen_adapter *adapter, u64 off, void *data,
 		pci_base(adapter, off), off, addr,
 		*(unsigned long long *)data, len);
 	if (!addr) {
-		netxen_nic_pci_change_crbwindow(adapter, 1);
+		netxen_nic_pci_change_crbwindow_128M(adapter, 1);
 		return 1;
 	}
 
@@ -785,14 +983,14 @@ netxen_nic_hw_write_wx(struct netxen_adapter *adapter, u64 off, void *data,
 		break;
 	}
 	if (!ADDR_IN_WINDOW1(off))
-		netxen_nic_pci_change_crbwindow(adapter, 1);
+		netxen_nic_pci_change_crbwindow_128M(adapter, 1);
 
 	return 0;
 }
 
 int
-netxen_nic_hw_read_wx(struct netxen_adapter *adapter, u64 off, void *data,
-		      int len)
+netxen_nic_hw_read_wx_128M(struct netxen_adapter *adapter,
+		ulong off, void *data, int len)
 {
 	void __iomem *addr;
 
@@ -800,13 +998,13 @@ netxen_nic_hw_read_wx(struct netxen_adapter *adapter, u64 off, void *data,
 		addr = NETXEN_CRB_NORMALIZE(adapter, off);
 	} else {		/* Window 0 */
 		addr = pci_base_offset(adapter, off);
-		netxen_nic_pci_change_crbwindow(adapter, 0);
+		netxen_nic_pci_change_crbwindow_128M(adapter, 0);
 	}
 
 	DPRINTK(INFO, "reading from base %lx offset %llx addr %p\n",
 		pci_base(adapter, off), off, addr);
 	if (!addr) {
-		netxen_nic_pci_change_crbwindow(adapter, 1);
+		netxen_nic_pci_change_crbwindow_128M(adapter, 1);
 		return 1;
 	}
 	switch (len) {
@@ -830,81 +1028,195 @@ netxen_nic_hw_read_wx(struct netxen_adapter *adapter, u64 off, void *data,
 	DPRINTK(INFO, "read %lx\n", *(unsigned long *)data);
 
 	if (!ADDR_IN_WINDOW1(off))
-		netxen_nic_pci_change_crbwindow(adapter, 1);
+		netxen_nic_pci_change_crbwindow_128M(adapter, 1);
 
 	return 0;
 }
 
-void netxen_nic_reg_write(struct netxen_adapter *adapter, u64 off, u32 val)
-{				/* Only for window 1 */
-	void __iomem *addr;
+int
+netxen_nic_hw_write_wx_2M(struct netxen_adapter *adapter,
+		ulong off, void *data, int len)
+{
+	unsigned long flags = 0;
+	int rv;
+
+	rv = netxen_nic_pci_get_crb_addr_2M(adapter, &off, len);
+
+	if (rv == -1) {
+		printk(KERN_ERR "%s: invalid offset: 0x%016lx\n",
+				__func__, off);
+		dump_stack();
+		return -1;
+	}
+
+	if (rv == 1) {
+		write_lock_irqsave(&adapter->adapter_lock, flags);
+		crb_win_lock(adapter);
+		netxen_nic_pci_set_crbwindow_2M(adapter, &off);
+	}
 
-	addr = NETXEN_CRB_NORMALIZE(adapter, off);
-	DPRINTK(INFO, "writing to base %lx offset %llx addr %p data %x\n",
-		pci_base(adapter, off), off, addr, val);
-	writel(val, addr);
+	DPRINTK(1, INFO, "write data %lx to offset %llx, len=%d\n",
+			*(unsigned long *)data, off, len);
 
+	switch (len) {
+	case 1:
+		writeb(*(uint8_t *)data, (void *)off);
+		break;
+	case 2:
+		writew(*(uint16_t *)data, (void *)off);
+		break;
+	case 4:
+		writel(*(uint32_t *)data, (void *)off);
+		break;
+	case 8:
+		writeq(*(uint64_t *)data, (void *)off);
+		break;
+	default:
+		DPRINTK(1, INFO,
+			"writing data %lx to offset %llx, num words=%d\n",
+			*(unsigned long *)data, off, (len>>3));
+		break;
+	}
+	if (rv == 1) {
+		crb_win_unlock(adapter);
+		write_unlock_irqrestore(&adapter->adapter_lock, flags);
+	}
+
+	return 0;
 }
 
-int netxen_nic_reg_read(struct netxen_adapter *adapter, u64 off)
-{				/* Only for window 1 */
-	void __iomem *addr;
-	int val;
+int
+netxen_nic_hw_read_wx_2M(struct netxen_adapter *adapter,
+		ulong off, void *data, int len)
+{
+	unsigned long flags = 0;
+	int rv;
 
-	addr = NETXEN_CRB_NORMALIZE(adapter, off);
-	DPRINTK(INFO, "reading from base %lx offset %llx addr %p\n",
-		pci_base(adapter, off), off, addr);
-	val = readl(addr);
-	writel(val, addr);
+	rv = netxen_nic_pci_get_crb_addr_2M(adapter, &off, len);
+
+	if (rv == -1) {
+		printk(KERN_ERR "%s: invalid offset: 0x%016lx\n",
+				__func__, off);
+		dump_stack();
+		return -1;
+	}
+
+	if (rv == 1) {
+		write_lock_irqsave(&adapter->adapter_lock, flags);
+		crb_win_lock(adapter);
+		netxen_nic_pci_set_crbwindow_2M(adapter, &off);
+	}
+
+	DPRINTK(1, INFO, "read from offset %lx, len=%d\n", off, len);
+
+	switch (len) {
+	case 1:
+		*(uint8_t *)data = readb((void *)off);
+		break;
+	case 2:
+		*(uint16_t *)data = readw((void *)off);
+		break;
+	case 4:
+		*(uint32_t *)data = readl((void *)off);
+		break;
+	case 8:
+		*(uint64_t *)data = readq((void *)off);
+		break;
+	default:
+		break;
+	}
 
+	DPRINTK(1, INFO, "read %lx\n", *(unsigned long *)data);
+
+	if (rv == 1) {
+		crb_win_unlock(adapter);
+		write_unlock_irqrestore(&adapter->adapter_lock, flags);
+	}
+
+	return 0;
+}
+
+void netxen_nic_reg_write(struct netxen_adapter *adapter, u64 off, u32 val)
+{
+	adapter->hw_write_wx(adapter, off, &val, 4);
+}
+
+int netxen_nic_reg_read(struct netxen_adapter *adapter, u64 off)
+{
+	int val;
+	adapter->hw_read_wx(adapter, off, &val, 4);
 	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 = pci_base_offset(adapter, index);
-	writel(value, addr);
-	netxen_nic_pci_change_crbwindow(adapter, 1);
+	adapter->hw_write_wx(adapter, index, &value, 4);
 }
 
 /* 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 netxen_nic_read_w0(struct netxen_adapter *adapter, u32 index, u32 *value)
 {
-	void __iomem *addr;
+	adapter->hw_read_wx(adapter, index, value, 4);
+}
 
-	addr = pci_base_offset(adapter, index);
+void netxen_nic_write_w1(struct netxen_adapter *adapter, u32 index, u32 value)
+{
+	adapter->hw_write_wx(adapter, index, &value, 4);
+}
+
+void netxen_nic_read_w1(struct netxen_adapter *adapter, u32 index, u32 *value)
+{
+	adapter->hw_read_wx(adapter, index, value, 4);
+}
+
+/*
+ * check memory access boundary.
+ * used by test agent. support ddr access only for now
+ */
+static unsigned long
+netxen_nic_pci_mem_bound_check(struct netxen_adapter *adapter,
+		unsigned long long addr, int size)
+{
+	if (!ADDR_IN_RANGE(addr,
+			NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX) ||
+		!ADDR_IN_RANGE(addr+size-1,
+			NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX) ||
+		((size != 1) && (size != 2) && (size != 4) && (size != 8))) {
+		return 0;
+	}
 
-	netxen_nic_pci_change_crbwindow(adapter, 0);
-	*value = readl(addr);
-	netxen_nic_pci_change_crbwindow(adapter, 1);
+	return 1;
 }
 
 static int netxen_pci_set_window_warning_count;
 
-static  unsigned long netxen_nic_pci_set_window(struct netxen_adapter *adapter,
-						unsigned long long addr)
+unsigned long
+netxen_nic_pci_set_window_128M(struct netxen_adapter *adapter,
+		unsigned long long addr)
 {
-	static int ddr_mn_window = -1;
-	static int qdr_sn_window = -1;
+	void __iomem *offset;
 	int window;
+	unsigned long long	qdr_max;
+	uint8_t func = adapter->ahw.pci_func;
+
+	if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
+		qdr_max = NETXEN_ADDR_QDR_NET_MAX_P2;
+	} else {
+		qdr_max = NETXEN_ADDR_QDR_NET_MAX_P3;
+	}
 
 	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_OFFSET_SECOND_RANGE(adapter,
-							       NETXEN_PCIX_PH_REG
-							       (PCIX_MN_WINDOW(adapter->ahw.pci_func))));
+		if (adapter->ahw.ddr_mn_window != window) {
+			adapter->ahw.ddr_mn_window = window;
+			offset = PCI_OFFSET_SECOND_RANGE(adapter,
+				NETXEN_PCIX_PH_REG(PCIE_MN_WINDOW_REG(func)));
+			writel(window, offset);
 			/* MUST make sure window is set before we forge on... */
-			readl(PCI_OFFSET_SECOND_RANGE(adapter,
-						      NETXEN_PCIX_PH_REG
-						      (PCIX_MN_WINDOW(adapter->ahw.pci_func))));
+			readl(offset);
 		}
 		addr -= (window * NETXEN_WINDOW_ONE);
 		addr += NETXEN_PCI_DDR_NET;
@@ -914,22 +1226,17 @@ static  unsigned long netxen_nic_pci_set_window(struct netxen_adapter *adapter,
 	} 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)) {
+	} else if (ADDR_IN_RANGE(addr, NETXEN_ADDR_QDR_NET, qdr_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_OFFSET_SECOND_RANGE(adapter,
-						       NETXEN_PCIX_PH_REG
-						       (PCIX_SN_WINDOW(adapter->ahw.pci_func))));
+		if (adapter->ahw.qdr_sn_window != window) {
+			adapter->ahw.qdr_sn_window = window;
+			offset = PCI_OFFSET_SECOND_RANGE(adapter,
+				NETXEN_PCIX_PH_REG(PCIE_SN_WINDOW_REG(func)));
+			writel((window << 22), offset);
 			/* MUST make sure window is set before we forge on... */
-			readl(PCI_OFFSET_SECOND_RANGE(adapter,
-						      NETXEN_PCIX_PH_REG
-						      (PCIX_SN_WINDOW(adapter->ahw.pci_func))));
+			readl(offset);
 		}
 		addr -= (window * 0x400000);
 		addr += NETXEN_PCI_QDR_NET;
@@ -943,11 +1250,711 @@ static  unsigned long netxen_nic_pci_set_window(struct netxen_adapter *adapter,
 			printk("%s: Warning:netxen_nic_pci_set_window()"
 			       " Unknown address range!\n",
 			       netxen_nic_driver_name);
+		addr = -1UL;
+	}
+	return addr;
+}
+
+/*
+ * Note : only 32-bit writes!
+ */
+int netxen_nic_pci_write_immediate_128M(struct netxen_adapter *adapter,
+		u64 off, u32 data)
+{
+	writel(data, (void __iomem *)(PCI_OFFSET_SECOND_RANGE(adapter, off)));
+	return 0;
+}
+
+u32 netxen_nic_pci_read_immediate_128M(struct netxen_adapter *adapter, u64 off)
+{
+	return readl((void __iomem *)(pci_base_offset(adapter, off)));
+}
+
+void netxen_nic_pci_write_normalize_128M(struct netxen_adapter *adapter,
+		u64 off, u32 data)
+{
+	writel(data, NETXEN_CRB_NORMALIZE(adapter, off));
+}
+
+u32 netxen_nic_pci_read_normalize_128M(struct netxen_adapter *adapter, u64 off)
+{
+	return readl(NETXEN_CRB_NORMALIZE(adapter, off));
+}
+
+unsigned long
+netxen_nic_pci_set_window_2M(struct netxen_adapter *adapter,
+		unsigned long long addr)
+{
+	int window;
+	u32 win_read;
+
+	if (ADDR_IN_RANGE(addr, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) {
+		/* DDR network side */
+		window = MN_WIN(addr);
+		adapter->ahw.ddr_mn_window = window;
+		adapter->hw_write_wx(adapter,
+				adapter->ahw.mn_win_crb | NETXEN_PCI_CRBSPACE,
+				&window, 4);
+		adapter->hw_read_wx(adapter,
+				adapter->ahw.mn_win_crb | NETXEN_PCI_CRBSPACE,
+				&win_read, 4);
+		if ((win_read << 17) != window) {
+			printk(KERN_INFO "Written MNwin (0x%x) != "
+				"Read MNwin (0x%x)\n", window, win_read);
+		}
+		addr = GET_MEM_OFFS_2M(addr) + NETXEN_PCI_DDR_NET;
+	} else if (ADDR_IN_RANGE(addr,
+				NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX)) {
+		if ((addr & 0x00ff800) == 0xff800) {
+			printk("%s: QM access not handled.\n", __func__);
+			addr = -1UL;
+		}
+
+		window = OCM_WIN(addr);
+		adapter->ahw.ddr_mn_window = window;
+		adapter->hw_write_wx(adapter,
+				adapter->ahw.mn_win_crb | NETXEN_PCI_CRBSPACE,
+				&window, 4);
+		adapter->hw_read_wx(adapter,
+				adapter->ahw.mn_win_crb | NETXEN_PCI_CRBSPACE,
+				&win_read, 4);
+		if ((win_read >> 7) != window) {
+			printk(KERN_INFO "%s: Written OCMwin (0x%x) != "
+					"Read OCMwin (0x%x)\n",
+					__func__, window, win_read);
+		}
+		addr = GET_MEM_OFFS_2M(addr) + NETXEN_PCI_OCM0_2M;
+
+	} else if (ADDR_IN_RANGE(addr,
+			NETXEN_ADDR_QDR_NET, NETXEN_ADDR_QDR_NET_MAX_P3)) {
+		/* QDR network side */
+		window = MS_WIN(addr);
+		adapter->ahw.qdr_sn_window = window;
+		adapter->hw_write_wx(adapter,
+				adapter->ahw.ms_win_crb | NETXEN_PCI_CRBSPACE,
+				&window, 4);
+		adapter->hw_read_wx(adapter,
+				adapter->ahw.ms_win_crb | NETXEN_PCI_CRBSPACE,
+				&win_read, 4);
+		if (win_read != window) {
+			printk(KERN_INFO "%s: Written MSwin (0x%x) != "
+					"Read MSwin (0x%x)\n",
+					__func__, window, win_read);
+		}
+		addr = GET_MEM_OFFS_2M(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:%s Unknown address range!\n",
+					__func__, netxen_nic_driver_name);
+}
+		addr = -1UL;
 	}
 	return addr;
 }
 
+static int netxen_nic_pci_is_same_window(struct netxen_adapter *adapter,
+				      unsigned long long addr)
+{
+	int window;
+	unsigned long long qdr_max;
+
+	if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
+		qdr_max = NETXEN_ADDR_QDR_NET_MAX_P2;
+	else
+		qdr_max = NETXEN_ADDR_QDR_NET_MAX_P3;
+
+	if (ADDR_IN_RANGE(addr,
+			NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) {
+		/* DDR network side */
+		BUG();	/* MN access can not come here */
+	} else if (ADDR_IN_RANGE(addr,
+			NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX)) {
+		return 1;
+	} else if (ADDR_IN_RANGE(addr,
+				NETXEN_ADDR_OCM1, NETXEN_ADDR_OCM1_MAX)) {
+		return 1;
+	} else if (ADDR_IN_RANGE(addr, NETXEN_ADDR_QDR_NET, qdr_max)) {
+		/* QDR network side */
+		window = ((addr - NETXEN_ADDR_QDR_NET) >> 22) & 0x3f;
+		if (adapter->ahw.qdr_sn_window == window)
+			return 1;
+	}
+
+	return 0;
+}
+
+static int netxen_nic_pci_mem_read_direct(struct netxen_adapter *adapter,
+			u64 off, void *data, int size)
+{
+	unsigned long flags;
+	void *addr;
+	int ret = 0;
+	u64 start;
+	uint8_t *mem_ptr = NULL;
+	unsigned long mem_base;
+	unsigned long mem_page;
+
+	write_lock_irqsave(&adapter->adapter_lock, flags);
+
+	/*
+	 * If attempting to access unknown address or straddle hw windows,
+	 * do not access.
+	 */
+	start = adapter->pci_set_window(adapter, off);
+	if ((start == -1UL) ||
+		(netxen_nic_pci_is_same_window(adapter, off+size-1) == 0)) {
+		write_unlock_irqrestore(&adapter->adapter_lock, flags);
+		printk(KERN_ERR "%s out of bound pci memory access. "
+			"offset is 0x%llx\n", netxen_nic_driver_name, off);
+		return -1;
+	}
+
+	addr = (void *)(pci_base_offset(adapter, start));
+	if (!addr) {
+		write_unlock_irqrestore(&adapter->adapter_lock, flags);
+		mem_base = pci_resource_start(adapter->pdev, 0);
+		mem_page = start & PAGE_MASK;
+		/* Map two pages whenever user tries to access addresses in two
+		consecutive pages.
+		*/
+		if (mem_page != ((start + size - 1) & PAGE_MASK))
+			mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE * 2);
+		else
+			mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE);
+		if (mem_ptr == 0UL) {
+			*(uint8_t  *)data = 0;
+			return -1;
+		}
+		addr = mem_ptr;
+		addr += start & (PAGE_SIZE - 1);
+		write_lock_irqsave(&adapter->adapter_lock, flags);
+	}
+
+	switch (size) {
+	case 1:
+		*(uint8_t  *)data = readb(addr);
+		break;
+	case 2:
+		*(uint16_t *)data = readw(addr);
+		break;
+	case 4:
+		*(uint32_t *)data = readl(addr);
+		break;
+	case 8:
+		*(uint64_t *)data = readq(addr);
+		break;
+	default:
+		ret = -1;
+		break;
+	}
+	write_unlock_irqrestore(&adapter->adapter_lock, flags);
+	DPRINTK(1, INFO, "read %llx\n", *(unsigned long long *)data);
+
+	if (mem_ptr)
+		iounmap(mem_ptr);
+	return ret;
+}
+
+static int
+netxen_nic_pci_mem_write_direct(struct netxen_adapter *adapter, u64 off,
+		void *data, int size)
+{
+	unsigned long flags;
+	void *addr;
+	int ret = 0;
+	u64 start;
+	uint8_t *mem_ptr = NULL;
+	unsigned long mem_base;
+	unsigned long mem_page;
+
+	write_lock_irqsave(&adapter->adapter_lock, flags);
+
+	/*
+	 * If attempting to access unknown address or straddle hw windows,
+	 * do not access.
+	 */
+	start = adapter->pci_set_window(adapter, off);
+	if ((start == -1UL) ||
+		(netxen_nic_pci_is_same_window(adapter, off+size-1) == 0)) {
+		write_unlock_irqrestore(&adapter->adapter_lock, flags);
+		printk(KERN_ERR "%s out of bound pci memory access. "
+			"offset is 0x%llx\n", netxen_nic_driver_name, off);
+		return -1;
+	}
+
+	addr = (void *)(pci_base_offset(adapter, start));
+	if (!addr) {
+		write_unlock_irqrestore(&adapter->adapter_lock, flags);
+		mem_base = pci_resource_start(adapter->pdev, 0);
+		mem_page = start & PAGE_MASK;
+		/* Map two pages whenever user tries to access addresses in two
+		 * consecutive pages.
+		 */
+		if (mem_page != ((start + size - 1) & PAGE_MASK))
+			mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE*2);
+		else
+			mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE);
+		if (mem_ptr == 0UL)
+			return -1;
+		addr = mem_ptr;
+		addr += start & (PAGE_SIZE - 1);
+		write_lock_irqsave(&adapter->adapter_lock, flags);
+	}
+
+	switch (size) {
+	case 1:
+		writeb(*(uint8_t *)data, addr);
+		break;
+	case 2:
+		writew(*(uint16_t *)data, addr);
+		break;
+	case 4:
+		writel(*(uint32_t *)data, addr);
+		break;
+	case 8:
+		writeq(*(uint64_t *)data, addr);
+		break;
+	default:
+		ret = -1;
+		break;
+	}
+	write_unlock_irqrestore(&adapter->adapter_lock, flags);
+	DPRINTK(1, INFO, "writing data %llx to offset %llx\n",
+			*(unsigned long long *)data, start);
+	if (mem_ptr)
+		iounmap(mem_ptr);
+	return ret;
+}
+
+#define MAX_CTL_CHECK   1000
+
+int
+netxen_nic_pci_mem_write_128M(struct netxen_adapter *adapter,
+		u64 off, void *data, int size)
+{
+	unsigned long   flags, mem_crb;
+	int	     i, j, ret = 0, loop, sz[2], off0;
+	uint32_t      temp;
+	uint64_t      off8, tmpw, word[2] = {0, 0};
+
+	/*
+	 * If not MN, go check for MS or invalid.
+	 */
+	if (netxen_nic_pci_mem_bound_check(adapter, off, size) == 0)
+		return netxen_nic_pci_mem_write_direct(adapter,
+				off, data, size);
+
+	off8 = off & 0xfffffff8;
+	off0 = off & 0x7;
+	sz[0] = (size < (8 - off0)) ? size : (8 - off0);
+	sz[1] = size - sz[0];
+	loop = ((off0 + size - 1) >> 3) + 1;
+	mem_crb = (unsigned long)pci_base_offset(adapter, NETXEN_CRB_DDR_NET);
+
+	if ((size != 8) || (off0 != 0))  {
+		for (i = 0; i < loop; i++) {
+			if (adapter->pci_mem_read(adapter,
+				off8 + (i << 3), &word[i], 8))
+				return -1;
+		}
+	}
+
+	switch (size) {
+	case 1:
+		tmpw = *((uint8_t *)data);
+		break;
+	case 2:
+		tmpw = *((uint16_t *)data);
+		break;
+	case 4:
+		tmpw = *((uint32_t *)data);
+		break;
+	case 8:
+	default:
+		tmpw = *((uint64_t *)data);
+		break;
+	}
+	word[0] &= ~((~(~0ULL << (sz[0] * 8))) << (off0 * 8));
+	word[0] |= tmpw << (off0 * 8);
+
+	if (loop == 2) {
+		word[1] &= ~(~0ULL << (sz[1] * 8));
+		word[1] |= tmpw >> (sz[0] * 8);
+	}
+
+	write_lock_irqsave(&adapter->adapter_lock, flags);
+	netxen_nic_pci_change_crbwindow_128M(adapter, 0);
+
+	for (i = 0; i < loop; i++) {
+		writel((uint32_t)(off8 + (i << 3)),
+			(void *)(mem_crb+MIU_TEST_AGT_ADDR_LO));
+		writel(0,
+			(void *)(mem_crb+MIU_TEST_AGT_ADDR_HI));
+		writel(word[i] & 0xffffffff,
+			(void *)(mem_crb+MIU_TEST_AGT_WRDATA_LO));
+		writel((word[i] >> 32) & 0xffffffff,
+			(void *)(mem_crb+MIU_TEST_AGT_WRDATA_HI));
+		writel(MIU_TA_CTL_ENABLE|MIU_TA_CTL_WRITE,
+			(void *)(mem_crb+MIU_TEST_AGT_CTRL));
+		writel(MIU_TA_CTL_START|MIU_TA_CTL_ENABLE|MIU_TA_CTL_WRITE,
+			(void *)(mem_crb+MIU_TEST_AGT_CTRL));
+
+		for (j = 0; j < MAX_CTL_CHECK; j++) {
+			temp = readl(
+			     (void *)(mem_crb+MIU_TEST_AGT_CTRL));
+			if ((temp & MIU_TA_CTL_BUSY) == 0)
+				break;
+		}
+
+		if (j >= MAX_CTL_CHECK) {
+			printk("%s: %s Fail to write through agent\n",
+					__func__, netxen_nic_driver_name);
+			ret = -1;
+			break;
+		}
+	}
+
+	netxen_nic_pci_change_crbwindow_128M(adapter, 1);
+	write_unlock_irqrestore(&adapter->adapter_lock, flags);
+	return ret;
+}
+
+int
+netxen_nic_pci_mem_read_128M(struct netxen_adapter *adapter,
+		u64 off, void *data, int size)
+{
+	unsigned long   flags, mem_crb;
+	int	     i, j = 0, k, start, end, loop, sz[2], off0[2];
+	uint32_t      temp;
+	uint64_t      off8, val, word[2] = {0, 0};
+
+
+	/*
+	 * If not MN, go check for MS or invalid.
+	 */
+	if (netxen_nic_pci_mem_bound_check(adapter, off, size) == 0)
+		return netxen_nic_pci_mem_read_direct(adapter, off, data, size);
+
+	off8 = off & 0xfffffff8;
+	off0[0] = off & 0x7;
+	off0[1] = 0;
+	sz[0] = (size < (8 - off0[0])) ? size : (8 - off0[0]);
+	sz[1] = size - sz[0];
+	loop = ((off0[0] + size - 1) >> 3) + 1;
+	mem_crb = (unsigned long)pci_base_offset(adapter, NETXEN_CRB_DDR_NET);
+
+	write_lock_irqsave(&adapter->adapter_lock, flags);
+	netxen_nic_pci_change_crbwindow_128M(adapter, 0);
+
+	for (i = 0; i < loop; i++) {
+		writel((uint32_t)(off8 + (i << 3)),
+			(void *)(mem_crb+MIU_TEST_AGT_ADDR_LO));
+		writel(0,
+			(void *)(mem_crb+MIU_TEST_AGT_ADDR_HI));
+		writel(MIU_TA_CTL_ENABLE,
+			(void *)(mem_crb+MIU_TEST_AGT_CTRL));
+		writel(MIU_TA_CTL_START|MIU_TA_CTL_ENABLE,
+			(void *)(mem_crb+MIU_TEST_AGT_CTRL));
+
+		for (j = 0; j < MAX_CTL_CHECK; j++) {
+			temp = readl(
+			      (void *)(mem_crb+MIU_TEST_AGT_CTRL));
+			if ((temp & MIU_TA_CTL_BUSY) == 0)
+				break;
+		}
+
+		if (j >= MAX_CTL_CHECK) {
+			printk(KERN_ERR "%s: %s Fail to read through agent\n",
+					__func__, netxen_nic_driver_name);
+			break;
+		}
+
+		start = off0[i] >> 2;
+		end   = (off0[i] + sz[i] - 1) >> 2;
+		for (k = start; k <= end; k++) {
+			word[i] |= ((uint64_t) readl(
+				    (void *)(mem_crb +
+				    MIU_TEST_AGT_RDDATA(k))) << (32*k));
+		}
+	}
+
+	netxen_nic_pci_change_crbwindow_128M(adapter, 1);
+	write_unlock_irqrestore(&adapter->adapter_lock, flags);
+
+	if (j >= MAX_CTL_CHECK)
+		return -1;
+
+	if (sz[0] == 8) {
+		val = word[0];
+	} else {
+		val = ((word[0] >> (off0[0] * 8)) & (~(~0ULL << (sz[0] * 8)))) |
+			((word[1] & (~(~0ULL << (sz[1] * 8)))) << (sz[0] * 8));
+	}
+
+	switch (size) {
+	case 1:
+		*(uint8_t  *)data = val;
+		break;
+	case 2:
+		*(uint16_t *)data = val;
+		break;
+	case 4:
+		*(uint32_t *)data = val;
+		break;
+	case 8:
+		*(uint64_t *)data = val;
+		break;
+	}
+	DPRINTK(1, INFO, "read %llx\n", *(unsigned long long *)data);
+	return 0;
+}
+
+int
+netxen_nic_pci_mem_write_2M(struct netxen_adapter *adapter,
+		u64 off, void *data, int size)
+{
+	int i, j, ret = 0, loop, sz[2], off0;
+	uint32_t temp;
+	uint64_t off8, mem_crb, tmpw, word[2] = {0, 0};
+
+	/*
+	 * If not MN, go check for MS or invalid.
+	 */
+	if (off >= NETXEN_ADDR_QDR_NET && off <= NETXEN_ADDR_QDR_NET_MAX_P3)
+		mem_crb = NETXEN_CRB_QDR_NET;
+	else {
+		mem_crb = NETXEN_CRB_DDR_NET;
+		if (netxen_nic_pci_mem_bound_check(adapter, off, size) == 0)
+			return netxen_nic_pci_mem_write_direct(adapter,
+					off, data, size);
+	}
+
+	off8 = off & 0xfffffff8;
+	off0 = off & 0x7;
+	sz[0] = (size < (8 - off0)) ? size : (8 - off0);
+	sz[1] = size - sz[0];
+	loop = ((off0 + size - 1) >> 3) + 1;
+
+	if ((size != 8) || (off0 != 0)) {
+		for (i = 0; i < loop; i++) {
+			if (adapter->pci_mem_read(adapter, off8 + (i << 3),
+						&word[i], 8))
+				return -1;
+		}
+	}
+
+	switch (size) {
+	case 1:
+		tmpw = *((uint8_t *)data);
+		break;
+	case 2:
+		tmpw = *((uint16_t *)data);
+		break;
+	case 4:
+		tmpw = *((uint32_t *)data);
+		break;
+	case 8:
+	default:
+		tmpw = *((uint64_t *)data);
+	break;
+	}
+
+	word[0] &= ~((~(~0ULL << (sz[0] * 8))) << (off0 * 8));
+	word[0] |= tmpw << (off0 * 8);
+
+	if (loop == 2) {
+		word[1] &= ~(~0ULL << (sz[1] * 8));
+		word[1] |= tmpw >> (sz[0] * 8);
+	}
+
+	/*
+	 * don't lock here - write_wx gets the lock if each time
+	 * write_lock_irqsave(&adapter->adapter_lock, flags);
+	 * netxen_nic_pci_change_crbwindow_128M(adapter, 0);
+	 */
+
+	for (i = 0; i < loop; i++) {
+		temp = off8 + (i << 3);
+		adapter->hw_write_wx(adapter,
+				mem_crb+MIU_TEST_AGT_ADDR_LO, &temp, 4);
+		temp = 0;
+		adapter->hw_write_wx(adapter,
+				mem_crb+MIU_TEST_AGT_ADDR_HI, &temp, 4);
+		temp = word[i] & 0xffffffff;
+		adapter->hw_write_wx(adapter,
+				mem_crb+MIU_TEST_AGT_WRDATA_LO, &temp, 4);
+		temp = (word[i] >> 32) & 0xffffffff;
+		adapter->hw_write_wx(adapter,
+				mem_crb+MIU_TEST_AGT_WRDATA_HI, &temp, 4);
+		temp = MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE;
+		adapter->hw_write_wx(adapter,
+				mem_crb+MIU_TEST_AGT_CTRL, &temp, 4);
+		temp = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE;
+		adapter->hw_write_wx(adapter,
+				mem_crb+MIU_TEST_AGT_CTRL, &temp, 4);
+
+		for (j = 0; j < MAX_CTL_CHECK; j++) {
+			adapter->hw_read_wx(adapter,
+					mem_crb + MIU_TEST_AGT_CTRL, &temp, 4);
+			if ((temp & MIU_TA_CTL_BUSY) == 0)
+				break;
+		}
+
+		if (j >= MAX_CTL_CHECK) {
+			printk(KERN_ERR "%s: Fail to write through agent\n",
+					netxen_nic_driver_name);
+			ret = -1;
+			break;
+		}
+	}
+
+	/*
+	 * netxen_nic_pci_change_crbwindow_128M(adapter, 1);
+	 * write_unlock_irqrestore(&adapter->adapter_lock, flags);
+	 */
+	return ret;
+}
+
+int
+netxen_nic_pci_mem_read_2M(struct netxen_adapter *adapter,
+		u64 off, void *data, int size)
+{
+	int i, j = 0, k, start, end, loop, sz[2], off0[2];
+	uint32_t      temp;
+	uint64_t      off8, val, mem_crb, word[2] = {0, 0};
+
+	/*
+	 * If not MN, go check for MS or invalid.
+	 */
+
+	if (off >= NETXEN_ADDR_QDR_NET && off <= NETXEN_ADDR_QDR_NET_MAX_P3)
+		mem_crb = NETXEN_CRB_QDR_NET;
+	else {
+		mem_crb = NETXEN_CRB_DDR_NET;
+		if (netxen_nic_pci_mem_bound_check(adapter, off, size) == 0)
+			return netxen_nic_pci_mem_read_direct(adapter,
+					off, data, size);
+	}
+
+	off8 = off & 0xfffffff8;
+	off0[0] = off & 0x7;
+	off0[1] = 0;
+	sz[0] = (size < (8 - off0[0])) ? size : (8 - off0[0]);
+	sz[1] = size - sz[0];
+	loop = ((off0[0] + size - 1) >> 3) + 1;
+
+	/*
+	 * don't lock here - write_wx gets the lock if each time
+	 * write_lock_irqsave(&adapter->adapter_lock, flags);
+	 * netxen_nic_pci_change_crbwindow_128M(adapter, 0);
+	 */
+
+	for (i = 0; i < loop; i++) {
+		temp = off8 + (i << 3);
+		adapter->hw_write_wx(adapter,
+				mem_crb + MIU_TEST_AGT_ADDR_LO, &temp, 4);
+		temp = 0;
+		adapter->hw_write_wx(adapter,
+				mem_crb + MIU_TEST_AGT_ADDR_HI, &temp, 4);
+		temp = MIU_TA_CTL_ENABLE;
+		adapter->hw_write_wx(adapter,
+				mem_crb + MIU_TEST_AGT_CTRL, &temp, 4);
+		temp = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE;
+		adapter->hw_write_wx(adapter,
+				mem_crb + MIU_TEST_AGT_CTRL, &temp, 4);
+
+		for (j = 0; j < MAX_CTL_CHECK; j++) {
+			adapter->hw_read_wx(adapter,
+					mem_crb + MIU_TEST_AGT_CTRL, &temp, 4);
+			if ((temp & MIU_TA_CTL_BUSY) == 0)
+				break;
+		}
+
+		if (j >= MAX_CTL_CHECK) {
+			printk(KERN_ERR "%s: Fail to read through agent\n",
+					netxen_nic_driver_name);
+			break;
+		}
+
+		start = off0[i] >> 2;
+		end   = (off0[i] + sz[i] - 1) >> 2;
+		for (k = start; k <= end; k++) {
+			adapter->hw_read_wx(adapter,
+				mem_crb + MIU_TEST_AGT_RDDATA(k), &temp, 4);
+			word[i] |= ((uint64_t)temp << (32 * k));
+		}
+	}
+
+	/*
+	 * netxen_nic_pci_change_crbwindow_128M(adapter, 1);
+	 * write_unlock_irqrestore(&adapter->adapter_lock, flags);
+	 */
+
+	if (j >= MAX_CTL_CHECK)
+		return -1;
+
+	if (sz[0] == 8) {
+		val = word[0];
+	} else {
+		val = ((word[0] >> (off0[0] * 8)) & (~(~0ULL << (sz[0] * 8)))) |
+		((word[1] & (~(~0ULL << (sz[1] * 8)))) << (sz[0] * 8));
+	}
+
+	switch (size) {
+	case 1:
+		*(uint8_t  *)data = val;
+		break;
+	case 2:
+		*(uint16_t *)data = val;
+		break;
+	case 4:
+		*(uint32_t *)data = val;
+		break;
+	case 8:
+		*(uint64_t *)data = val;
+		break;
+	}
+	DPRINTK(1, INFO, "read %llx\n", *(unsigned long long *)data);
+	return 0;
+}
+
+/*
+ * Note : only 32-bit writes!
+ */
+int netxen_nic_pci_write_immediate_2M(struct netxen_adapter *adapter,
+		u64 off, u32 data)
+{
+	adapter->hw_write_wx(adapter, off, &data, 4);
+
+	return 0;
+}
+
+u32 netxen_nic_pci_read_immediate_2M(struct netxen_adapter *adapter, u64 off)
+{
+	u32 temp;
+	adapter->hw_read_wx(adapter, off, &temp, 4);
+	return temp;
+}
+
+void netxen_nic_pci_write_normalize_2M(struct netxen_adapter *adapter,
+		u64 off, u32 data)
+{
+	adapter->hw_write_wx(adapter, off, &data, 4);
+}
+
+u32 netxen_nic_pci_read_normalize_2M(struct netxen_adapter *adapter, u64 off)
+{
+	u32 temp;
+	adapter->hw_read_wx(adapter, off, &temp, 4);
+	return temp;
+}
+
 #if 0
 int
 netxen_nic_erase_pxe(struct netxen_adapter *adapter)
@@ -1003,12 +2010,25 @@ int netxen_nic_get_board_info(struct netxen_adapter *adapter)
 	case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
 	case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ:
 	case NETXEN_BRDTYPE_P2_SB31_10G_CX4:
+	case NETXEN_BRDTYPE_P3_HMEZ:
+	case NETXEN_BRDTYPE_P3_XG_LOM:
+	case NETXEN_BRDTYPE_P3_10G_CX4:
+	case NETXEN_BRDTYPE_P3_10G_CX4_LP:
+	case NETXEN_BRDTYPE_P3_IMEZ:
+	case NETXEN_BRDTYPE_P3_10G_SFP_PLUS:
+	case NETXEN_BRDTYPE_P3_10G_XFP:
+	case NETXEN_BRDTYPE_P3_10000_BASE_T:
+
 		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:
+	case NETXEN_BRDTYPE_P3_REF_QG:
+	case NETXEN_BRDTYPE_P3_4_GB:
+	case NETXEN_BRDTYPE_P3_4_GB_MM:
+
 		adapter->ahw.board_type = NETXEN_NIC_GBE;
 		break;
 	default:
@@ -1042,25 +2062,11 @@ int netxen_nic_set_mtu_xgb(struct netxen_adapter *adapter, int new_mtu)
 	return 0;
 }
 
-void netxen_nic_init_niu_gb(struct netxen_adapter *adapter)
-{
-	netxen_niu_gbe_init_port(adapter, adapter->physical_port);
-}
-
 void
-netxen_crb_writelit_adapter(struct netxen_adapter *adapter, unsigned long off,
-			    int data)
+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 = pci_base_offset(adapter, off);
-		writel(data, addr);
-		netxen_nic_pci_change_crbwindow(adapter, 1);
-	}
+	adapter->hw_write_wx(adapter, off, &data, 4);
 }
 
 void netxen_nic_set_link_parameters(struct netxen_adapter *adapter)
@@ -1147,12 +2153,11 @@ void netxen_nic_flash_print(struct netxen_adapter *adapter)
 		addr += sizeof(u32);
 	}
 
-	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));
+	adapter->hw_read_wx(adapter, NETXEN_FW_VERSION_MAJOR, &fw_major, 4);
+	adapter->hw_read_wx(adapter, NETXEN_FW_VERSION_MINOR, &fw_minor, 4);
+	adapter->hw_read_wx(adapter, NETXEN_FW_VERSION_SUB, &fw_build, 4);
+
+	adapter->fw_major = fw_major;
 
 	if (adapter->portnum == 0) {
 		get_brd_name_by_type(board_info->board_type, brd_name);
@@ -1163,28 +2168,13 @@ void netxen_nic_flash_print(struct netxen_adapter *adapter)
 				fw_minor, fw_build);
 	}
 
-	if (fw_major != _NETXEN_NIC_LINUX_MAJOR) {
-		adapter->driver_mismatch = 1;
-	}
-	if (fw_minor != _NETXEN_NIC_LINUX_MINOR &&
-			fw_minor != (_NETXEN_NIC_LINUX_MINOR + 1)) {
+	if (NETXEN_VERSION_CODE(fw_major, fw_minor, fw_build) <
+			NETXEN_VERSION_CODE(3, 4, 216)) {
 		adapter->driver_mismatch = 1;
-	}
-	if (adapter->driver_mismatch) {
-		printk(KERN_ERR "%s: driver and firmware version mismatch\n",
-				adapter->netdev->name);
+		printk(KERN_ERR "%s: firmware version %d.%d.%d unsupported\n",
+				netxen_nic_driver_name,
+				fw_major, fw_minor, fw_build);
 		return;
 	}
-
-	switch (adapter->ahw.board_type) {
-	case NETXEN_NIC_GBE:
-		dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
-				adapter->netdev->name);
-		break;
-	case NETXEN_NIC_XGBE:
-		dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
-				adapter->netdev->name);
-		break;
-	}
 }
 
diff --git a/drivers/net/netxen/netxen_nic_hw.h b/drivers/net/netxen/netxen_nic_hw.h
index a3ea1dd98c4..b8e0030f03d 100644
--- a/drivers/net/netxen/netxen_nic_hw.h
+++ b/drivers/net/netxen/netxen_nic_hw.h
@@ -82,19 +82,9 @@ struct netxen_adapter;
 
 #define NETXEN_PCI_MAPSIZE_BYTES  (NETXEN_PCI_MAPSIZE << 20)
 
-#define NETXEN_NIC_LOCKED_READ_REG(X, Y)	\
-	addr = pci_base_offset(adapter, X);	\
-	*(u32 *)Y = readl((void __iomem*) addr);
-
 struct netxen_port;
 void netxen_nic_set_link_parameters(struct netxen_adapter *adapter);
 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];
 
@@ -432,7 +422,8 @@ typedef enum {
 /* Promiscous mode options (GbE mode only) */
 typedef enum {
 	NETXEN_NIU_PROMISC_MODE = 0,
-	NETXEN_NIU_NON_PROMISC_MODE
+	NETXEN_NIU_NON_PROMISC_MODE,
+	NETXEN_NIU_ALLMULTI_MODE
 } netxen_niu_prom_mode_t;
 
 /*
@@ -478,42 +469,6 @@ typedef enum {
 #define netxen_xg_soft_reset(config_word)	\
 		((config_word) |= 1 << 4)
 
-/*
- * 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)	\
-		((config) |= 1 << 3)
-#define netxen_nic_mcr_set_id_pool1(config, val)	\
-		((config) |= (((val) & 0x03) << 4))
-#define netxen_nic_mcr_set_enable_xtnd1(config)	\
-		((config) |= 1 << 6)
-#define netxen_nic_mcr_set_id_pool2(config, val)	\
-		((config) |= (((val) & 0x03) << 8))
-#define netxen_nic_mcr_set_enable_xtnd2(config)	\
-		((config) |= 1 << 10)
-#define netxen_nic_mcr_set_id_pool3(config, val)	\
-		((config) |= (((val) & 0x03) << 12))
-#define netxen_nic_mcr_set_enable_xtnd3(config)	\
-		((config) |= 1 << 14)
-#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,
 				    netxen_niu_prom_mode_t mode);
@@ -538,4 +493,15 @@ int netxen_niu_disable_gbe_port(struct netxen_adapter *adapter);
 
 int netxen_niu_disable_xg_port(struct netxen_adapter *adapter);
 
+typedef struct {
+	unsigned valid;
+	unsigned start_128M;
+	unsigned end_128M;
+	unsigned start_2M;
+} crb_128M_2M_sub_block_map_t;
+
+typedef struct {
+	crb_128M_2M_sub_block_map_t sub_block[16];
+} crb_128M_2M_block_map_t;
+
 #endif				/* __NETXEN_NIC_HW_H_ */
diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c
index 70d1b22ced2..01ab31b34a8 100644
--- a/drivers/net/netxen/netxen_nic_init.c
+++ b/drivers/net/netxen/netxen_nic_init.c
@@ -42,8 +42,6 @@ struct crb_addr_pair {
 	u32 data;
 };
 
-unsigned long last_schedule_time;
-
 #define NETXEN_MAX_CRB_XFORM 60
 static unsigned int crb_addr_xform[NETXEN_MAX_CRB_XFORM];
 #define NETXEN_ADDR_ERROR (0xffffffff)
@@ -117,6 +115,8 @@ static void crb_addr_transform_setup(void)
 	crb_addr_transform(C2C1);
 	crb_addr_transform(C2C0);
 	crb_addr_transform(SMB);
+	crb_addr_transform(OCM0);
+	crb_addr_transform(I2C0);
 }
 
 int netxen_init_firmware(struct netxen_adapter *adapter)
@@ -124,15 +124,15 @@ 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));
+	state = adapter->pci_read_normalize(adapter, CRB_CMDPEG_STATE);
 
 	if (state == PHAN_INITIALIZE_ACK)
 		return 0;
 
 	while (state != PHAN_INITIALIZE_COMPLETE && loops < 2000) {
-		udelay(100);
+		msleep(1);
 		/* Window 1 call */
-		state = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE));
+		state = adapter->pci_read_normalize(adapter, CRB_CMDPEG_STATE);
 
 		loops++;
 	}
@@ -143,64 +143,193 @@ int netxen_init_firmware(struct netxen_adapter *adapter)
 		return err;
 	}
 	/* Window 1 call */
-	writel(INTR_SCHEME_PERPORT,
-	       NETXEN_CRB_NORMALIZE(adapter, CRB_NIC_CAPABILITIES_HOST));
-	writel(MSI_MODE_MULTIFUNC,
-	       NETXEN_CRB_NORMALIZE(adapter, CRB_NIC_MSI_MODE_HOST));
-	writel(MPORT_MULTI_FUNCTION_MODE,
-	       NETXEN_CRB_NORMALIZE(adapter, CRB_MPORT_MODE));
-	writel(PHAN_INITIALIZE_ACK,
-	       NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE));
+	adapter->pci_write_normalize(adapter,
+			CRB_NIC_CAPABILITIES_HOST, INTR_SCHEME_PERPORT);
+	adapter->pci_write_normalize(adapter,
+			CRB_NIC_MSI_MODE_HOST, MSI_MODE_MULTIFUNC);
+	adapter->pci_write_normalize(adapter,
+			CRB_MPORT_MODE, MPORT_MULTI_FUNCTION_MODE);
+	adapter->pci_write_normalize(adapter,
+			CRB_CMDPEG_STATE, PHAN_INITIALIZE_ACK);
 
 	return err;
 }
 
-#define NETXEN_ADDR_LIMIT 0xffffffffULL
+void netxen_release_rx_buffers(struct netxen_adapter *adapter)
+{
+	struct netxen_recv_context *recv_ctx;
+	struct nx_host_rds_ring *rds_ring;
+	struct netxen_rx_buffer *rx_buf;
+	int i, ctxid, ring;
+
+	for (ctxid = 0; ctxid < MAX_RCV_CTX; ++ctxid) {
+		recv_ctx = &adapter->recv_ctx[ctxid];
+		for (ring = 0; ring < adapter->max_rds_rings; ring++) {
+			rds_ring = &recv_ctx->rds_rings[ring];
+			for (i = 0; i < rds_ring->max_rx_desc_count; ++i) {
+				rx_buf = &(rds_ring->rx_buf_arr[i]);
+				if (rx_buf->state == NETXEN_BUFFER_FREE)
+					continue;
+				pci_unmap_single(adapter->pdev,
+						rx_buf->dma,
+						rds_ring->dma_size,
+						PCI_DMA_FROMDEVICE);
+				if (rx_buf->skb != NULL)
+					dev_kfree_skb_any(rx_buf->skb);
+			}
+		}
+	}
+}
 
-void *netxen_alloc(struct pci_dev *pdev, size_t sz, dma_addr_t * ptr,
-		   struct pci_dev **used_dev)
+void netxen_release_tx_buffers(struct netxen_adapter *adapter)
 {
-	void *addr;
+	struct netxen_cmd_buffer *cmd_buf;
+	struct netxen_skb_frag *buffrag;
+	int i, j;
+
+	cmd_buf = adapter->cmd_buf_arr;
+	for (i = 0; i < adapter->max_tx_desc_count; i++) {
+		buffrag = cmd_buf->frag_array;
+		if (buffrag->dma) {
+			pci_unmap_single(adapter->pdev, buffrag->dma,
+					 buffrag->length, PCI_DMA_TODEVICE);
+			buffrag->dma = 0ULL;
+		}
+		for (j = 0; j < cmd_buf->frag_count; j++) {
+			buffrag++;
+			if (buffrag->dma) {
+				pci_unmap_page(adapter->pdev, buffrag->dma,
+					       buffrag->length,
+					       PCI_DMA_TODEVICE);
+				buffrag->dma = 0ULL;
+			}
+		}
+		/* Free the skb we received in netxen_nic_xmit_frame */
+		if (cmd_buf->skb) {
+			dev_kfree_skb_any(cmd_buf->skb);
+			cmd_buf->skb = NULL;
+		}
+		cmd_buf++;
+	}
+}
 
-	addr = pci_alloc_consistent(pdev, sz, ptr);
-	if ((unsigned long long)(*ptr) < NETXEN_ADDR_LIMIT) {
-		*used_dev = pdev;
-		return addr;
+void netxen_free_sw_resources(struct netxen_adapter *adapter)
+{
+	struct netxen_recv_context *recv_ctx;
+	struct nx_host_rds_ring *rds_ring;
+	int ctx, ring;
+
+	for (ctx = 0; ctx < MAX_RCV_CTX; ctx++) {
+		recv_ctx = &adapter->recv_ctx[ctx];
+		for (ring = 0; ring < adapter->max_rds_rings; ring++) {
+			rds_ring = &recv_ctx->rds_rings[ring];
+			if (rds_ring->rx_buf_arr) {
+				vfree(rds_ring->rx_buf_arr);
+				rds_ring->rx_buf_arr = NULL;
+			}
+		}
 	}
-	pci_free_consistent(pdev, sz, addr, *ptr);
-	addr = pci_alloc_consistent(NULL, sz, ptr);
-	*used_dev = NULL;
-	return addr;
+	if (adapter->cmd_buf_arr)
+		vfree(adapter->cmd_buf_arr);
+	return;
 }
 
-void netxen_initialize_adapter_sw(struct netxen_adapter *adapter)
+int netxen_alloc_sw_resources(struct netxen_adapter *adapter)
 {
-	int ctxid, ring;
-	u32 i;
-	u32 num_rx_bufs = 0;
-	struct netxen_rcv_desc_ctx *rcv_desc;
+	struct netxen_recv_context *recv_ctx;
+	struct nx_host_rds_ring *rds_ring;
+	struct netxen_rx_buffer *rx_buf;
+	int ctx, ring, i, num_rx_bufs;
 
-	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->begin_alloc = 0;
-			rx_buf = rcv_desc->rx_buf_arr;
-			num_rx_bufs = rcv_desc->max_rx_desc_count;
+	struct netxen_cmd_buffer *cmd_buf_arr;
+	struct net_device *netdev = adapter->netdev;
+
+	cmd_buf_arr = (struct netxen_cmd_buffer *)vmalloc(TX_RINGSIZE);
+	if (cmd_buf_arr == NULL) {
+		printk(KERN_ERR "%s: Failed to allocate cmd buffer ring\n",
+		       netdev->name);
+		return -ENOMEM;
+	}
+	memset(cmd_buf_arr, 0, TX_RINGSIZE);
+	adapter->cmd_buf_arr = cmd_buf_arr;
+
+	for (ctx = 0; ctx < MAX_RCV_CTX; ctx++) {
+		recv_ctx = &adapter->recv_ctx[ctx];
+		for (ring = 0; ring < adapter->max_rds_rings; ring++) {
+			rds_ring = &recv_ctx->rds_rings[ring];
+			switch (RCV_DESC_TYPE(ring)) {
+			case RCV_DESC_NORMAL:
+				rds_ring->max_rx_desc_count =
+					adapter->max_rx_desc_count;
+				rds_ring->flags = RCV_DESC_NORMAL;
+				if (adapter->ahw.cut_through) {
+					rds_ring->dma_size =
+						NX_CT_DEFAULT_RX_BUF_LEN;
+					rds_ring->skb_size =
+						NX_CT_DEFAULT_RX_BUF_LEN;
+				} else {
+					rds_ring->dma_size = RX_DMA_MAP_LEN;
+					rds_ring->skb_size =
+						MAX_RX_BUFFER_LENGTH;
+				}
+				break;
+
+			case RCV_DESC_JUMBO:
+				rds_ring->max_rx_desc_count =
+					adapter->max_jumbo_rx_desc_count;
+				rds_ring->flags = RCV_DESC_JUMBO;
+				if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
+					rds_ring->dma_size =
+						NX_P3_RX_JUMBO_BUF_MAX_LEN;
+				else
+					rds_ring->dma_size =
+						NX_P2_RX_JUMBO_BUF_MAX_LEN;
+				rds_ring->skb_size =
+					rds_ring->dma_size + NET_IP_ALIGN;
+				break;
+
+			case RCV_RING_LRO:
+				rds_ring->max_rx_desc_count =
+					adapter->max_lro_rx_desc_count;
+				rds_ring->flags = RCV_DESC_LRO;
+				rds_ring->dma_size = RX_LRO_DMA_MAP_LEN;
+				rds_ring->skb_size = MAX_RX_LRO_BUFFER_LENGTH;
+				break;
+
+			}
+			rds_ring->rx_buf_arr = (struct netxen_rx_buffer *)
+				vmalloc(RCV_BUFFSIZE);
+			if (rds_ring->rx_buf_arr == NULL) {
+				printk(KERN_ERR "%s: Failed to allocate "
+					"rx buffer ring %d\n",
+					netdev->name, ring);
+				/* free whatever was already allocated */
+				goto err_out;
+			}
+			memset(rds_ring->rx_buf_arr, 0, RCV_BUFFSIZE);
+			INIT_LIST_HEAD(&rds_ring->free_list);
+			rds_ring->begin_alloc = 0;
 			/*
 			 * Now go through all of them, set reference handles
 			 * and put them in the queues.
 			 */
+			num_rx_bufs = rds_ring->max_rx_desc_count;
+			rx_buf = rds_ring->rx_buf_arr;
 			for (i = 0; i < num_rx_bufs; i++) {
+				list_add_tail(&rx_buf->list,
+						&rds_ring->free_list);
 				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++;
 			}
 		}
 	}
+
+	return 0;
+
+err_out:
+	netxen_free_sw_resources(adapter);
+	return -ENOMEM;
 }
 
 void netxen_initialize_adapter_ops(struct netxen_adapter *adapter)
@@ -211,14 +340,12 @@ void netxen_initialize_adapter_ops(struct netxen_adapter *adapter)
 		    netxen_niu_gbe_enable_phy_interrupts;
 		adapter->disable_phy_interrupts =
 		    netxen_niu_gbe_disable_phy_interrupts;
-		adapter->handle_phy_intr = netxen_nic_gbe_handle_phy_intr;
 		adapter->macaddr_set = netxen_niu_macaddr_set;
 		adapter->set_mtu = netxen_nic_set_mtu_gb;
 		adapter->set_promisc = netxen_niu_set_promiscuous_mode;
-		adapter->unset_promisc = netxen_niu_set_promiscuous_mode;
 		adapter->phy_read = netxen_niu_gbe_phy_read;
 		adapter->phy_write = netxen_niu_gbe_phy_write;
-		adapter->init_niu = netxen_nic_init_niu_gb;
+		adapter->init_port = netxen_niu_gbe_init_port;
 		adapter->stop_port = netxen_niu_disable_gbe_port;
 		break;
 
@@ -227,12 +354,10 @@ void netxen_initialize_adapter_ops(struct netxen_adapter *adapter)
 		    netxen_niu_xgbe_enable_phy_interrupts;
 		adapter->disable_phy_interrupts =
 		    netxen_niu_xgbe_disable_phy_interrupts;
-		adapter->handle_phy_intr = netxen_nic_xgbe_handle_phy_intr;
 		adapter->macaddr_set = netxen_niu_xg_macaddr_set;
 		adapter->set_mtu = netxen_nic_set_mtu_xgb;
 		adapter->init_port = netxen_niu_xg_init_port;
 		adapter->set_promisc = netxen_niu_xg_set_promiscuous_mode;
-		adapter->unset_promisc = netxen_niu_xg_set_promiscuous_mode;
 		adapter->stop_port = netxen_niu_disable_xg_port;
 		break;
 
@@ -270,7 +395,9 @@ static u32 netxen_decode_crb_addr(u32 addr)
 
 static long rom_max_timeout = 100;
 static long rom_lock_timeout = 10000;
+#if 0
 static long rom_write_timeout = 700;
+#endif
 
 static int rom_lock(struct netxen_adapter *adapter)
 {
@@ -319,6 +446,7 @@ static int netxen_wait_rom_done(struct netxen_adapter *adapter)
 	return 0;
 }
 
+#if 0
 static int netxen_rom_wren(struct netxen_adapter *adapter)
 {
 	/* Set write enable latch in ROM status register */
@@ -348,6 +476,7 @@ static int netxen_do_rom_rdsr(struct netxen_adapter *adapter)
 	}
 	return netxen_rdcrbreg(adapter, NETXEN_ROMUSB_ROM_RDATA);
 }
+#endif
 
 static void netxen_rom_unlock(struct netxen_adapter *adapter)
 {
@@ -358,6 +487,7 @@ static void netxen_rom_unlock(struct netxen_adapter *adapter)
 
 }
 
+#if 0
 static int netxen_rom_wip_poll(struct netxen_adapter *adapter)
 {
 	long timeout = 0;
@@ -393,6 +523,7 @@ static int do_rom_fast_write(struct netxen_adapter *adapter, int addr,
 
 	return netxen_rom_wip_poll(adapter);
 }
+#endif
 
 static int do_rom_fast_read(struct netxen_adapter *adapter,
 			    int addr, int *valp)
@@ -475,7 +606,6 @@ int netxen_rom_fast_write(struct netxen_adapter *adapter, int addr, int data)
 	netxen_rom_unlock(adapter);
 	return ret;
 }
-#endif  /*  0  */
 
 static int do_rom_fast_write_words(struct netxen_adapter *adapter,
 				   int addr, u8 *bytes, size_t size)
@@ -740,28 +870,25 @@ int netxen_flash_unlock(struct netxen_adapter *adapter)
 
 	return ret;
 }
+#endif  /*  0  */
 
 #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;
-	int n, i;
-	int init_delay = 0;
+	int i, init_delay = 0;
 	struct crb_addr_pair *buf;
+	unsigned offset, n;
 	u32 off;
 
 	/* resetall */
 	netxen_crb_writelit_adapter(adapter, NETXEN_ROMUSB_GLB_SW_RESET,
-				    NETXEN_ROMBUS_RESET);
+				    0xffffffff);
 
 	if (verbose) {
-		int val;
 		if (netxen_rom_fast_read(adapter, NETXEN_BOARDTYPE, &val) == 0)
 			printk("P2 ROM board type: 0x%08x\n", val);
 		else
@@ -776,117 +903,141 @@ int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose)
 			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);
+	if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
+		if (netxen_rom_fast_read(adapter, 0, &n) != 0 ||
+			(n != 0xcafecafeUL) ||
+			netxen_rom_fast_read(adapter, 4, &n) != 0) {
+			printk(KERN_ERR "%s: ERROR Reading crb_init area: "
+					"n: %08x\n", netxen_nic_driver_name, n);
 			return -EIO;
 		}
-		buf = kcalloc(n, sizeof(struct crb_addr_pair), GFP_KERNEL);
-		if (buf == NULL) {
-			printk("%s: netxen_pinit_from_rom: Unable to calloc "
-			       "memory.\n", netxen_nic_driver_name);
-			return -ENOMEM;
-		}
-		for (i = 0; i < n; i++) {
-			if (netxen_rom_fast_read(adapter, 8 * i + 4, &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(addr), val);
+		offset = n & 0xffffU;
+		n = (n >> 16) & 0xffffU;
+	} else {
+		if (netxen_rom_fast_read(adapter, 0, &n) != 0 ||
+			!(n & 0x80000000)) {
+			printk(KERN_ERR "%s: ERROR Reading crb_init area: "
+					"n: %08x\n", netxen_nic_driver_name, n);
+			return -EIO;
 		}
-		for (i = 0; i < n; i++) {
+		offset = 1;
+		n &= ~0x80000000;
+	}
+
+	if (n < 1024) {
+		if (verbose)
+			printk(KERN_DEBUG "%s: %d CRB init values found"
+			       " in ROM.\n", netxen_nic_driver_name, n);
+	} else {
+		printk(KERN_ERR "%s:n=0x%x Error! NetXen card flash not"
+		       " initialized.\n", __func__, n);
+		return -EIO;
+	}
+
+	buf = kcalloc(n, sizeof(struct crb_addr_pair), GFP_KERNEL);
+	if (buf == NULL) {
+		printk("%s: netxen_pinit_from_rom: Unable to calloc memory.\n",
+				netxen_nic_driver_name);
+		return -ENOMEM;
+	}
+	for (i = 0; i < n; i++) {
+		if (netxen_rom_fast_read(adapter, 8*i + 4*offset, &val) != 0 ||
+		netxen_rom_fast_read(adapter, 8*i + 4*offset + 4, &addr) != 0)
+			return -EIO;
+
+		buf[i].addr = addr;
+		buf[i].data = val;
 
-			off = netxen_decode_crb_addr(buf[i].addr);
-			if (off == NETXEN_ADDR_ERROR) {
-				printk(KERN_ERR"CRB init value out of range %x\n",
+		if (verbose)
+			printk(KERN_DEBUG "%s: PCI:     0x%08x == 0x%08x\n",
+				netxen_nic_driver_name,
+				(u32)netxen_decode_crb_addr(addr), val);
+	}
+	for (i = 0; i < n; i++) {
+
+		off = netxen_decode_crb_addr(buf[i].addr);
+		if (off == NETXEN_ADDR_ERROR) {
+			printk(KERN_ERR"CRB init value out of range %x\n",
 					buf[i].addr);
+			continue;
+		}
+		off += NETXEN_PCI_CRBSPACE;
+		/* skipping cold reboot MAGIC */
+		if (off == NETXEN_CAM_RAM(0x1fc))
+			continue;
+
+		if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
+			/* do not reset PCI */
+			if (off == (ROMUSB_GLB + 0xbc))
 				continue;
-			}
-			off += NETXEN_PCI_CRBSPACE;
-			/* skipping cold reboot MAGIC */
-			if (off == NETXEN_CAM_RAM(0x1fc))
+			if (off == (NETXEN_CRB_PEG_NET_1 + 0x18))
+				buf[i].data = 0x1020;
+			/* skip the function enable register */
+			if (off == NETXEN_PCIE_REG(PCIE_SETUP_FUNCTION))
+				continue;
+			if (off == NETXEN_PCIE_REG(PCIE_SETUP_FUNCTION2))
 				continue;
+			if ((off & 0x0ff00000) == NETXEN_CRB_SMB)
+				continue;
+		}
 
-			/* 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;
+		if (off == NETXEN_ADDR_ERROR) {
+			printk(KERN_ERR "%s: Err: Unknown addr: 0x%08x\n",
+					netxen_nic_driver_name, buf[i].addr);
+			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;
+			if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
 				/* hold xdma in reset also */
 				buf[i].data = NETXEN_NIC_XDMA_RESET;
 			}
+		}
 
-			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,
-				       pci_base_offset(adapter, off));
+		adapter->hw_write_wx(adapter, off, &buf[i].data, 4);
 
-				netxen_nic_pci_change_crbwindow(adapter, 1);
-			}
-			if (init_delay == 1) {
-				msleep(1000);
-				init_delay = 0;
-			}
-			msleep(1);
+		if (init_delay == 1) {
+			msleep(1000);
+			init_delay = 0;
 		}
-		kfree(buf);
+		msleep(1);
+	}
+	kfree(buf);
 
-		/* disable_peg_cache_all */
+	/* 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 */
+	/* unreset_net_cache */
+	if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
+		adapter->hw_read_wx(adapter,
+				NETXEN_ROMUSB_GLB_SW_RESET, &val, 4);
 		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);
+				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;
 }
 
@@ -897,12 +1048,12 @@ int netxen_initialize_adapter_offload(struct netxen_adapter *adapter)
 	uint32_t lo;
 
 	adapter->dummy_dma.addr =
-	    pci_alloc_consistent(adapter->ahw.pdev,
+	    pci_alloc_consistent(adapter->pdev,
 				 NETXEN_HOST_DUMMY_DMA_SIZE,
 				 &adapter->dummy_dma.phys_addr);
 	if (adapter->dummy_dma.addr == NULL) {
 		printk("%s: ERROR: Could not allocate dummy DMA memory\n",
-		       __FUNCTION__);
+		       __func__);
 		return -ENOMEM;
 	}
 
@@ -910,8 +1061,13 @@ int netxen_initialize_adapter_offload(struct netxen_adapter *adapter)
 	hi = (addr >> 32) & 0xffffffff;
 	lo = addr & 0xffffffff;
 
-	writel(hi, NETXEN_CRB_NORMALIZE(adapter, CRB_HOST_DUMMY_BUF_ADDR_HI));
-	writel(lo, NETXEN_CRB_NORMALIZE(adapter, CRB_HOST_DUMMY_BUF_ADDR_LO));
+	adapter->pci_write_normalize(adapter, CRB_HOST_DUMMY_BUF_ADDR_HI, hi);
+	adapter->pci_write_normalize(adapter, CRB_HOST_DUMMY_BUF_ADDR_LO, lo);
+
+	if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
+		uint32_t temp = 0;
+		adapter->hw_write_wx(adapter, CRB_HOST_DUMMY_BUF, &temp, 4);
+	}
 
 	return 0;
 }
@@ -931,7 +1087,7 @@ void netxen_free_adapter_offload(struct netxen_adapter *adapter)
 		} while (--i);
 
 		if (i) {
-			pci_free_consistent(adapter->ahw.pdev,
+			pci_free_consistent(adapter->pdev,
 				    NETXEN_HOST_DUMMY_DMA_SIZE,
 				    adapter->dummy_dma.addr,
 				    adapter->dummy_dma.phys_addr);
@@ -946,22 +1102,24 @@ void netxen_free_adapter_offload(struct netxen_adapter *adapter)
 int netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val)
 {
 	u32 val = 0;
-	int retries = 30;
+	int retries = 60;
 
 	if (!pegtune_val) {
 		do {
-			val = readl(NETXEN_CRB_NORMALIZE
-				  (adapter, CRB_CMDPEG_STATE));
-			pegtune_val = readl(NETXEN_CRB_NORMALIZE
-				  (adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE));
+			val = adapter->pci_read_normalize(adapter,
+					CRB_CMDPEG_STATE);
 
 			if (val == PHAN_INITIALIZE_COMPLETE ||
 				val == PHAN_INITIALIZE_ACK)
 				return 0;
 
-			msleep(1000);
+			msleep(500);
+
 		} while (--retries);
+
 		if (!retries) {
+			pegtune_val = adapter->pci_read_normalize(adapter,
+					NETXEN_ROMUSB_GLB_PEGTUNE_DONE);
 			printk(KERN_WARNING "netxen_phantom_init: init failed, "
 					"pegtune_val=%x\n", pegtune_val);
 			return -1;
@@ -971,58 +1129,61 @@ int netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val)
 	return 0;
 }
 
-static int netxen_nic_check_temp(struct netxen_adapter *adapter)
+int netxen_receive_peg_ready(struct netxen_adapter *adapter)
 {
-	struct net_device *netdev = adapter->netdev;
-	uint32_t temp, temp_state, temp_val;
-	int rv = 0;
-
-	temp = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_TEMP_STATE));
-
-	temp_state = nx_get_temp_state(temp);
-	temp_val = nx_get_temp_val(temp);
-
-	if (temp_state == NX_TEMP_PANIC) {
-		printk(KERN_ALERT
-		       "%s: Device temperature %d degrees C exceeds"
-		       " maximum allowed. Hardware has been shut down.\n",
-		       netxen_nic_driver_name, temp_val);
-
-		netif_carrier_off(netdev);
-		netif_stop_queue(netdev);
-		rv = 1;
-	} else if (temp_state == NX_TEMP_WARN) {
-		if (adapter->temp == NX_TEMP_NORMAL) {
-			printk(KERN_ALERT
-			       "%s: Device temperature %d degrees C "
-			       "exceeds operating range."
-			       " Immediate action needed.\n",
-			       netxen_nic_driver_name, temp_val);
-		}
-	} else {
-		if (adapter->temp == NX_TEMP_WARN) {
-			printk(KERN_INFO
-			       "%s: Device temperature is now %d degrees C"
-			       " in normal range.\n", netxen_nic_driver_name,
-			       temp_val);
-		}
+	u32 val = 0;
+	int retries = 2000;
+
+	do {
+		val = adapter->pci_read_normalize(adapter, CRB_RCVPEG_STATE);
+
+		if (val == PHAN_PEG_RCV_INITIALIZED)
+			return 0;
+
+		msleep(10);
+
+	} while (--retries);
+
+	if (!retries) {
+		printk(KERN_ERR "Receive Peg initialization not "
+			      "complete, state: 0x%x.\n", val);
+		return -EIO;
 	}
-	adapter->temp = temp_state;
-	return rv;
+
+	return 0;
 }
 
-void netxen_watchdog_task(struct work_struct *work)
+static struct sk_buff *netxen_process_rxbuf(struct netxen_adapter *adapter,
+		struct nx_host_rds_ring *rds_ring, u16 index, u16 cksum)
 {
-	struct netxen_adapter *adapter =
-		container_of(work, struct netxen_adapter, watchdog_task);
+	struct netxen_rx_buffer *buffer;
+	struct sk_buff *skb;
 
-	if ((adapter->portnum  == 0) && netxen_nic_check_temp(adapter))
-		return;
+	buffer = &rds_ring->rx_buf_arr[index];
+
+	pci_unmap_single(adapter->pdev, buffer->dma, rds_ring->dma_size,
+			PCI_DMA_FROMDEVICE);
 
-	if (adapter->handle_phy_intr)
-		adapter->handle_phy_intr(adapter);
+	skb = buffer->skb;
+	if (!skb)
+		goto no_skb;
 
-	mod_timer(&adapter->watchdog_timer, jiffies + 2 * HZ);
+	if (likely(adapter->rx_csum && cksum == STATUS_CKSUM_OK)) {
+		adapter->stats.csummed++;
+		skb->ip_summed = CHECKSUM_UNNECESSARY;
+	} else
+		skb->ip_summed = CHECKSUM_NONE;
+
+	skb->dev = adapter->netdev;
+
+	buffer->skb = NULL;
+
+no_skb:
+	buffer->state = NETXEN_BUFFER_FREE;
+	buffer->lro_current_frags = 0;
+	buffer->lro_expected_frags = 0;
+	list_add_tail(&buffer->list, &rds_ring->free_list);
+	return skb;
 }
 
 /*
@@ -1031,9 +1192,8 @@ void netxen_watchdog_task(struct work_struct *work)
  * invoke the routine to send more rx buffers to the Phantom...
  */
 static void netxen_process_rcv(struct netxen_adapter *adapter, int ctxid,
-			       struct status_desc *desc)
+		struct status_desc *desc, struct status_desc *frag_desc)
 {
-	struct pci_dev *pdev = adapter->pdev;
 	struct net_device *netdev = adapter->netdev;
 	u64 sts_data = le64_to_cpu(desc->status_desc_data);
 	int index = netxen_get_sts_refhandle(sts_data);
@@ -1042,8 +1202,8 @@ static void netxen_process_rcv(struct netxen_adapter *adapter, int ctxid,
 	struct sk_buff *skb;
 	u32 length = netxen_get_sts_totallength(sts_data);
 	u32 desc_ctx;
-	struct netxen_rcv_desc_ctx *rcv_desc;
-	int ret;
+	u16 pkt_offset = 0, cksum;
+	struct nx_host_rds_ring *rds_ring;
 
 	desc_ctx = netxen_get_sts_type(sts_data);
 	if (unlikely(desc_ctx >= NUM_RCV_DESC_RINGS)) {
@@ -1052,13 +1212,13 @@ static void netxen_process_rcv(struct netxen_adapter *adapter, int ctxid,
 		return;
 	}
 
-	rcv_desc = &recv_ctx->rcv_desc[desc_ctx];
-	if (unlikely(index > rcv_desc->max_rx_desc_count)) {
+	rds_ring = &recv_ctx->rds_rings[desc_ctx];
+	if (unlikely(index > rds_ring->max_rx_desc_count)) {
 		DPRINTK(ERR, "Got a buffer index:%x Max is %x\n",
-			index, rcv_desc->max_rx_desc_count);
+			index, rds_ring->max_rx_desc_count);
 		return;
 	}
-	buffer = &rcv_desc->rx_buf_arr[index];
+	buffer = &rds_ring->rx_buf_arr[index];
 	if (desc_ctx == RCV_DESC_LRO_CTXID) {
 		buffer->lro_current_frags++;
 		if (netxen_get_sts_desc_lro_last_frag(desc)) {
@@ -1079,43 +1239,52 @@ static void netxen_process_rcv(struct netxen_adapter *adapter, int ctxid,
 		}
 	}
 
-	pci_unmap_single(pdev, buffer->dma, rcv_desc->dma_size,
-			 PCI_DMA_FROMDEVICE);
+	cksum = netxen_get_sts_status(sts_data);
 
-	skb = (struct sk_buff *)buffer->skb;
-
-	if (likely(adapter->rx_csum &&
-			netxen_get_sts_status(sts_data) == STATUS_CKSUM_OK)) {
-		adapter->stats.csummed++;
-		skb->ip_summed = CHECKSUM_UNNECESSARY;
-	} else
-		skb->ip_summed = CHECKSUM_NONE;
+	skb = netxen_process_rxbuf(adapter, rds_ring, index, cksum);
+	if (!skb)
+		return;
 
-	skb->dev = netdev;
 	if (desc_ctx == RCV_DESC_LRO_CTXID) {
 		/* True length was only available on the last pkt */
 		skb_put(skb, buffer->lro_length);
 	} else {
-		skb_put(skb, length);
+		if (length > rds_ring->skb_size)
+			skb_put(skb, rds_ring->skb_size);
+		else
+			skb_put(skb, length);
+
+		pkt_offset = netxen_get_sts_pkt_offset(sts_data);
+		if (pkt_offset)
+			skb_pull(skb, pkt_offset);
 	}
 
 	skb->protocol = eth_type_trans(skb, netdev);
 
-	ret = netif_receive_skb(skb);
-	netdev->last_rx = jiffies;
-
-	rcv_desc->rcv_pending--;
-
 	/*
-	 * We just consumed one buffer so post a buffer.
+	 * rx buffer chaining is disabled, walk and free
+	 * any spurious rx buffer chain.
 	 */
-	buffer->skb = NULL;
-	buffer->state = NETXEN_BUFFER_FREE;
-	buffer->lro_current_frags = 0;
-	buffer->lro_expected_frags = 0;
+	if (frag_desc) {
+		u16 i, nr_frags = desc->nr_frags;
+
+		dev_kfree_skb_any(skb);
+		for (i = 0; i < nr_frags; i++) {
+			index = frag_desc->frag_handles[i];
+			skb = netxen_process_rxbuf(adapter,
+					rds_ring, index, cksum);
+			if (skb)
+				dev_kfree_skb_any(skb);
+		}
+		adapter->stats.rxdropped++;
+	} else {
 
-	adapter->stats.no_rcv++;
-	adapter->stats.rxbytes += length;
+		netif_receive_skb(skb);
+		netdev->last_rx = jiffies;
+
+		adapter->stats.no_rcv++;
+		adapter->stats.rxbytes += length;
+	}
 }
 
 /* Process Receive status ring */
@@ -1123,10 +1292,11 @@ 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 */
+	struct status_desc *desc, *frag_desc;
 	u32 consumer = recv_ctx->status_rx_consumer;
-	u32 producer = 0;
 	int count = 0, ring;
+	u64 sts_data;
+	u16 opcode;
 
 	while (count < max) {
 		desc = &desc_head[consumer];
@@ -1135,24 +1305,38 @@ u32 netxen_process_rcv_ring(struct netxen_adapter *adapter, int ctxid, int max)
 				netxen_get_sts_owner(desc));
 			break;
 		}
-		netxen_process_rcv(adapter, ctxid, desc);
+
+		sts_data = le64_to_cpu(desc->status_desc_data);
+		opcode = netxen_get_sts_opcode(sts_data);
+		frag_desc = NULL;
+		if (opcode == NETXEN_NIC_RXPKT_DESC) {
+			if (desc->nr_frags) {
+				consumer = get_next_index(consumer,
+						adapter->max_rx_desc_count);
+				frag_desc = &desc_head[consumer];
+				netxen_set_sts_owner(frag_desc,
+						STATUS_OWNER_PHANTOM);
+			}
+		}
+
+		netxen_process_rcv(adapter, ctxid, desc, frag_desc);
+
 		netxen_set_sts_owner(desc, STATUS_OWNER_PHANTOM);
-		consumer = (consumer + 1) & (adapter->max_rx_desc_count - 1);
+
+		consumer = get_next_index(consumer,
+				adapter->max_rx_desc_count);
 		count++;
 	}
-	for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++)
+	for (ring = 0; ring < adapter->max_rds_rings; ring++)
 		netxen_post_rx_buffers_nodb(adapter, ctxid, ring);
 
 	/* update the consumer index in phantom */
 	if (count) {
 		recv_ctx->status_rx_consumer = consumer;
-		recv_ctx->status_rx_producer = producer;
 
 		/* Window = 1 */
-		writel(consumer,
-		       NETXEN_CRB_NORMALIZE(adapter,
-				    recv_crb_registers[adapter->portnum].
-					    crb_rcv_status_consumer));
+		adapter->pci_write_normalize(adapter,
+				recv_ctx->crb_sts_consumer, consumer);
 	}
 
 	return count;
@@ -1231,10 +1415,10 @@ int netxen_process_cmd_ring(struct netxen_adapter *adapter)
  */
 void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx, u32 ringid)
 {
-	struct pci_dev *pdev = adapter->ahw.pdev;
+	struct pci_dev *pdev = adapter->pdev;
 	struct sk_buff *skb;
 	struct netxen_recv_context *recv_ctx = &(adapter->recv_ctx[ctx]);
-	struct netxen_rcv_desc_ctx *rcv_desc = NULL;
+	struct nx_host_rds_ring *rds_ring = NULL;
 	uint producer;
 	struct rcv_desc *pdesc;
 	struct netxen_rx_buffer *buffer;
@@ -1242,41 +1426,36 @@ void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx, u32 ringid)
 	int index = 0;
 	netxen_ctx_msg msg = 0;
 	dma_addr_t dma;
+	struct list_head *head;
 
-	rcv_desc = &recv_ctx->rcv_desc[ringid];
+	rds_ring = &recv_ctx->rds_rings[ringid];
+
+	producer = rds_ring->producer;
+	index = rds_ring->begin_alloc;
+	head = &rds_ring->free_list;
 
-	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);
+	while (!list_empty(head)) {
+
+		skb = dev_alloc_skb(rds_ring->skb_size);
 		if (unlikely(!skb)) {
-			/*
-			 * TODO
-			 * We need to schedule the posting of buffers to the pegs.
-			 */
-			rcv_desc->begin_alloc = index;
-			DPRINTK(ERR, "netxen_post_rx_buffers: "
-				" allocated only %d buffers\n", count);
+			rds_ring->begin_alloc = index;
 			break;
 		}
 
+		buffer = list_entry(head->next, struct netxen_rx_buffer, list);
+		list_del(&buffer->list);
+
 		count++;	/* now there should be no failure */
-		pdesc = &rcv_desc->desc_head[producer];
+		pdesc = &rds_ring->desc_head[producer];
 
-#if defined(XGB_DEBUG)
-		*(unsigned long *)(skb->head) = 0xc0debabe;
-		if (skb_is_nonlinear(skb)) {
-			printk("Allocated SKB @%p is nonlinear\n");
-		}
-#endif
-		skb_reserve(skb, 2);
+		if (!adapter->ahw.cut_through)
+			skb_reserve(skb, 2);
 		/* This will be setup when we receive the
 		 * buffer after it has been filled  FSL  TBD TBD
 		 * skb->dev = netdev;
 		 */
-		dma = pci_map_single(pdev, skb->data, rcv_desc->dma_size,
+		dma = pci_map_single(pdev, skb->data, rds_ring->dma_size,
 				     PCI_DMA_FROMDEVICE);
 		pdesc->addr_buffer = cpu_to_le64(dma);
 		buffer->skb = skb;
@@ -1284,112 +1463,101 @@ void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx, u32 ringid)
 		buffer->dma = dma;
 		/* make a rcv descriptor  */
 		pdesc->reference_handle = cpu_to_le16(buffer->ref_handle);
-		pdesc->buffer_length = cpu_to_le32(rcv_desc->dma_size);
+		pdesc->buffer_length = cpu_to_le32(rds_ring->dma_size);
 		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];
+		    get_next_index(producer, rds_ring->max_rx_desc_count);
+		index = get_next_index(index, rds_ring->max_rx_desc_count);
 	}
 	/* if we did allocate buffers, then write the count to Phantom */
 	if (count) {
-		rcv_desc->begin_alloc = index;
-		rcv_desc->rcv_pending += count;
-		rcv_desc->producer = producer;
+		rds_ring->begin_alloc = index;
+		rds_ring->producer = producer;
 			/* Window = 1 */
-			writel((producer - 1) &
-			       (rcv_desc->max_rx_desc_count - 1),
-			       NETXEN_CRB_NORMALIZE(adapter,
-						    recv_crb_registers[
-						    adapter->portnum].
-						    rcv_desc_crb[ringid].
-						    crb_rcv_producer_offset));
+		adapter->pci_write_normalize(adapter,
+				rds_ring->crb_rcv_producer,
+				(producer-1) & (rds_ring->max_rx_desc_count-1));
+
+		if (adapter->fw_major < 4) {
 			/*
 			 * Write a doorbell msg to tell phanmon of change in
 			 * receive ring producer
+			 * Only for firmware version < 4.0.0
 			 */
 			netxen_set_msg_peg_id(msg, NETXEN_RCV_PEG_DB_ID);
 			netxen_set_msg_privid(msg);
 			netxen_set_msg_count(msg,
 					     ((producer -
-					       1) & (rcv_desc->
+					       1) & (rds_ring->
 						     max_rx_desc_count - 1)));
 			netxen_set_msg_ctxid(msg, adapter->portnum);
 			netxen_set_msg_opcode(msg, NETXEN_RCV_PRODUCER(ringid));
 			writel(msg,
 			       DB_NORMALIZE(adapter,
 					    NETXEN_RCV_PRODUCER_OFFSET));
+		}
 	}
 }
 
 static void netxen_post_rx_buffers_nodb(struct netxen_adapter *adapter,
 					uint32_t ctx, uint32_t ringid)
 {
-	struct pci_dev *pdev = adapter->ahw.pdev;
+	struct pci_dev *pdev = adapter->pdev;
 	struct sk_buff *skb;
 	struct netxen_recv_context *recv_ctx = &(adapter->recv_ctx[ctx]);
-	struct netxen_rcv_desc_ctx *rcv_desc = NULL;
+	struct nx_host_rds_ring *rds_ring = NULL;
 	u32 producer;
 	struct rcv_desc *pdesc;
 	struct netxen_rx_buffer *buffer;
 	int count = 0;
 	int index = 0;
+	struct list_head *head;
 
-	rcv_desc = &recv_ctx->rcv_desc[ringid];
+	rds_ring = &recv_ctx->rds_rings[ringid];
 
-	producer = rcv_desc->producer;
-	index = rcv_desc->begin_alloc;
-	buffer = &rcv_desc->rx_buf_arr[index];
+	producer = rds_ring->producer;
+	index = rds_ring->begin_alloc;
+	head = &rds_ring->free_list;
 	/* We can start writing rx descriptors into the phantom memory. */
-	while (buffer->state == NETXEN_BUFFER_FREE) {
-		skb = dev_alloc_skb(rcv_desc->skb_size);
+	while (!list_empty(head)) {
+
+		skb = dev_alloc_skb(rds_ring->skb_size);
 		if (unlikely(!skb)) {
-			/*
-			 * We need to schedule the posting of buffers to the pegs.
-			 */
-			rcv_desc->begin_alloc = index;
-			DPRINTK(ERR, "netxen_post_rx_buffers_nodb: "
-				" allocated only %d buffers\n", count);
+			rds_ring->begin_alloc = index;
 			break;
 		}
+
+		buffer = list_entry(head->next, struct netxen_rx_buffer, list);
+		list_del(&buffer->list);
+
 		count++;	/* now there should be no failure */
-		pdesc = &rcv_desc->desc_head[producer];
-		skb_reserve(skb, 2);
-		/*
-		 * This will be setup when we receive the
-		 * buffer after it has been filled
-		 * skb->dev = netdev;
-		 */
+		pdesc = &rds_ring->desc_head[producer];
+		if (!adapter->ahw.cut_through)
+			skb_reserve(skb, 2);
 		buffer->skb = skb;
 		buffer->state = NETXEN_BUFFER_BUSY;
 		buffer->dma = pci_map_single(pdev, skb->data,
-					     rcv_desc->dma_size,
+					     rds_ring->dma_size,
 					     PCI_DMA_FROMDEVICE);
 
 		/* make a rcv descriptor  */
 		pdesc->reference_handle = cpu_to_le16(buffer->ref_handle);
-		pdesc->buffer_length = cpu_to_le32(rcv_desc->dma_size);
+		pdesc->buffer_length = cpu_to_le32(rds_ring->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];
+		    get_next_index(producer, rds_ring->max_rx_desc_count);
+		index = get_next_index(index, rds_ring->max_rx_desc_count);
+		buffer = &rds_ring->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;
-		rcv_desc->producer = producer;
+		rds_ring->begin_alloc = index;
+		rds_ring->producer = producer;
 			/* Window = 1 */
-			writel((producer - 1) &
-			       (rcv_desc->max_rx_desc_count - 1),
-			       NETXEN_CRB_NORMALIZE(adapter,
-						    recv_crb_registers[
-						    adapter->portnum].
-						    rcv_desc_crb[ringid].
-						    crb_rcv_producer_offset));
+		adapter->pci_write_normalize(adapter,
+			rds_ring->crb_rcv_producer,
+				(producer-1) & (rds_ring->max_rx_desc_count-1));
 			wmb();
 	}
 }
diff --git a/drivers/net/netxen/netxen_nic_isr.c b/drivers/net/netxen/netxen_nic_isr.c
deleted file mode 100644
index 96cec41f901..00000000000
--- a/drivers/net/netxen/netxen_nic_isr.c
+++ /dev/null
@@ -1,220 +0,0 @@
-/*
- * 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_adapter *adapter = netdev_priv(netdev);
-	struct net_device_stats *stats = &adapter->net_stats;
-
-	memset(stats, 0, sizeof(*stats));
-
-	/* total packets received   */
-	stats->rx_packets = adapter->stats.no_rcv;
-	/* total packets transmitted    */
-	stats->tx_packets = adapter->stats.xmitedframes +
-		adapter->stats.xmitfinished;
-	/* total bytes received     */
-	stats->rx_bytes = adapter->stats.rxbytes;
-	/* total bytes transmitted  */
-	stats->tx_bytes = adapter->stats.txbytes;
-	/* bad packets received     */
-	stats->rx_errors = adapter->stats.rcvdbadskb;
-	/* packet transmit problems */
-	stats->tx_errors = adapter->stats.nocmddescriptor;
-	/* no space in linux buffers    */
-	stats->rx_dropped = adapter->stats.rxdropped;
-	/* no space available in linux  */
-	stats->tx_dropped = adapter->stats.txdropped;
-
-	return stats;
-}
-
-static void netxen_indicate_link_status(struct netxen_adapter *adapter,
-					u32 link)
-{
-	struct net_device *netdev = adapter->netdev;
-
-	if (link)
-		netif_carrier_on(netdev);
-	else
-		netif_carrier_off(netdev);
-}
-
-#if 0
-void netxen_handle_port_int(struct netxen_adapter *adapter, u32 enable)
-{
-	__u32 int_src;
-
-	/*  This should clear the interrupt source */
-	if (adapter->phy_read)
-		adapter->phy_read(adapter,
-				  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->disable_phy_interrupts)
-		adapter->disable_phy_interrupts(adapter);
-
-	if (netxen_get_phy_int_jabber(int_src))
-		DPRINTK(INFO, "Jabber interrupt \n");
-
-	if (netxen_get_phy_int_polarity_changed(int_src))
-		DPRINTK(INFO, "POLARITY CHANGED int \n");
-
-	if (netxen_get_phy_int_energy_detect(int_src))
-		DPRINTK(INFO, "ENERGY DETECT INT \n");
-
-	if (netxen_get_phy_int_downshift(int_src))
-		DPRINTK(INFO, "DOWNSHIFT INT \n");
-	/* write it down later.. */
-	if ((netxen_get_phy_int_speed_changed(int_src))
-	    || (netxen_get_phy_int_link_status_changed(int_src))) {
-		__u32 status;
-
-		DPRINTK(INFO, "SPEED CHANGED OR LINK STATUS CHANGED \n");
-
-		if (adapter->phy_read
-		    && adapter->phy_read(adapter,
-					 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)) {
-					printk(KERN_INFO "%s: %s Link UP\n",
-					       netxen_nic_driver_name,
-					       adapter->netdev->name);
-
-				} else {
-					printk(KERN_INFO "%s: %s Link DOWN\n",
-					       netxen_nic_driver_name,
-					       adapter->netdev->name);
-				}
-				netxen_indicate_link_status(adapter,
-							    netxen_get_phy_link
-							    (status));
-			}
-		}
-	}
-	if (adapter->enable_phy_interrupts)
-		adapter->enable_phy_interrupts(adapter);
-}
-#endif  /*  0  */
-
-static void netxen_nic_isr_other(struct netxen_adapter *adapter)
-{
-	int portno = adapter->portnum;
-	u32 val, linkup, qg_linksup;
-
-	/* verify the offset */
-	val = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_XG_STATE));
-	val = val >> adapter->physical_port;
-	if (val == adapter->ahw.qg_linksup)
-		return;
-
-	qg_linksup = adapter->ahw.qg_linksup;
-	adapter->ahw.qg_linksup = val;
-	DPRINTK(INFO, "link update 0x%08x\n", val);
-
-	linkup = val & 1;
-
-	if (linkup != (qg_linksup & 1)) {
-		printk(KERN_INFO "%s: %s PORT %d link %s\n",
-		       adapter->netdev->name,
-		       netxen_nic_driver_name, portno,
-		       ((linkup == 0) ? "down" : "up"));
-		netxen_indicate_link_status(adapter, linkup);
-		if (linkup)
-			netxen_nic_set_link_parameters(adapter);
-
-	}
-}
-
-void netxen_nic_gbe_handle_phy_intr(struct netxen_adapter *adapter)
-{
-	netxen_nic_isr_other(adapter);
-}
-
-#if 0
-int netxen_nic_link_ok(struct netxen_adapter *adapter)
-{
-	switch (adapter->ahw.board_type) {
-	case NETXEN_NIC_GBE:
-		return ((adapter->ahw.qg_linksup) & 1);
-
-	case NETXEN_NIC_XGBE:
-		return ((adapter->ahw.xg_linkup) & 1);
-
-	default:
-		printk(KERN_ERR"%s: Function: %s, Unknown board type\n",
-			netxen_nic_driver_name, __FUNCTION__);
-		break;
-	}
-
-	return 0;
-}
-#endif  /*  0  */
-
-void netxen_nic_xgbe_handle_phy_intr(struct netxen_adapter *adapter)
-{
-	struct net_device *netdev = adapter->netdev;
-	u32 val;
-
-	/* WINDOW = 1 */
-	val = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_XG_STATE));
-	val >>= (adapter->physical_port * 8);
-	val &= 0xff;
-
-	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;
-		if (netif_running(netdev)) {
-			netif_carrier_off(netdev);
-			netif_stop_queue(netdev);
-		}
-	} 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;
-		netif_carrier_on(netdev);
-		netif_wake_queue(netdev);
-	}
-}
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index 63cd67b931e..91d209a8f6c 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -49,13 +49,18 @@ char netxen_nic_driver_name[] = "netxen_nic";
 static char netxen_nic_driver_string[] = "NetXen Network Driver version "
     NETXEN_NIC_LINUX_VERSIONID;
 
-#define NETXEN_NETDEV_WEIGHT 120
-#define NETXEN_ADAPTER_UP_MAGIC 777
-#define NETXEN_NIC_PEG_TUNE 0
+static int port_mode = NETXEN_PORT_MODE_AUTO_NEG;
+
+/* Default to restricted 1G auto-neg mode */
+static int wol_port_mode = 5;
+
+static int use_msi = 1;
+
+static int use_msi_x = 1;
 
 /* Local functions to NetXen NIC driver */
 static int __devinit netxen_nic_probe(struct pci_dev *pdev,
-				      const struct pci_device_id *ent);
+		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);
@@ -83,6 +88,7 @@ static struct pci_device_id netxen_pci_tbl[] __devinitdata = {
 	ENTRY(0x0005),
 	ENTRY(0x0024),
 	ENTRY(0x0025),
+	ENTRY(0x0100),
 	{0,}
 };
 
@@ -108,95 +114,61 @@ static struct workqueue_struct *netxen_workq;
 
 static void netxen_watchdog(unsigned long);
 
-static void netxen_nic_update_cmd_producer(struct netxen_adapter *adapter,
-					   uint32_t crb_producer)
+static uint32_t crb_cmd_producer[4] = {
+	CRB_CMD_PRODUCER_OFFSET, CRB_CMD_PRODUCER_OFFSET_1,
+	CRB_CMD_PRODUCER_OFFSET_2, CRB_CMD_PRODUCER_OFFSET_3
+};
+
+void
+netxen_nic_update_cmd_producer(struct netxen_adapter *adapter,
+		uint32_t crb_producer)
 {
-	switch (adapter->portnum) {
-		case 0:
-			writel(crb_producer, NETXEN_CRB_NORMALIZE
-					(adapter, CRB_CMD_PRODUCER_OFFSET));
-			return;
-		case 1:
-			writel(crb_producer, NETXEN_CRB_NORMALIZE
-					(adapter, CRB_CMD_PRODUCER_OFFSET_1));
-			return;
-		case 2:
-			writel(crb_producer, NETXEN_CRB_NORMALIZE
-					(adapter, CRB_CMD_PRODUCER_OFFSET_2));
-			return;
-		case 3:
-			writel(crb_producer, NETXEN_CRB_NORMALIZE
-					(adapter, CRB_CMD_PRODUCER_OFFSET_3));
-			return;
-		default:
-			printk(KERN_WARNING "We tried to update "
-					"CRB_CMD_PRODUCER_OFFSET for invalid "
-					"PCI function id %d\n",
-					adapter->portnum);
-			return;
-	}
+	adapter->pci_write_normalize(adapter,
+			adapter->crb_addr_cmd_producer, crb_producer);
 }
 
-static void netxen_nic_update_cmd_consumer(struct netxen_adapter *adapter,
-					   u32 crb_consumer)
+static uint32_t crb_cmd_consumer[4] = {
+	CRB_CMD_CONSUMER_OFFSET, CRB_CMD_CONSUMER_OFFSET_1,
+	CRB_CMD_CONSUMER_OFFSET_2, CRB_CMD_CONSUMER_OFFSET_3
+};
+
+static inline void
+netxen_nic_update_cmd_consumer(struct netxen_adapter *adapter,
+		u32 crb_consumer)
 {
-	switch (adapter->portnum) {
-		case 0:
-			writel(crb_consumer, NETXEN_CRB_NORMALIZE
-				(adapter, CRB_CMD_CONSUMER_OFFSET));
-			return;
-		case 1:
-			writel(crb_consumer, NETXEN_CRB_NORMALIZE
-				(adapter, CRB_CMD_CONSUMER_OFFSET_1));
-			return;
-		case 2:
-			writel(crb_consumer, NETXEN_CRB_NORMALIZE
-				(adapter, CRB_CMD_CONSUMER_OFFSET_2));
-			return;
-		case 3:
-			writel(crb_consumer, NETXEN_CRB_NORMALIZE
-				(adapter, CRB_CMD_CONSUMER_OFFSET_3));
-			return;
-		default:
-			printk(KERN_WARNING "We tried to update "
-					"CRB_CMD_PRODUCER_OFFSET for invalid "
-					"PCI function id %d\n",
-					adapter->portnum);
-			return;
-	}
+	adapter->pci_write_normalize(adapter,
+			adapter->crb_addr_cmd_consumer, crb_consumer);
 }
 
-#define	ADAPTER_LIST_SIZE 12
-
-static uint32_t msi_tgt_status[4] = {
+static uint32_t msi_tgt_status[8] = {
 	ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
-	ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3
+	ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
+	ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
+	ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
 };
 
-static uint32_t sw_int_mask[4] = {
-	CRB_SW_INT_MASK_0, CRB_SW_INT_MASK_1,
-	CRB_SW_INT_MASK_2, CRB_SW_INT_MASK_3
-};
+static struct netxen_legacy_intr_set legacy_intr[] = NX_LEGACY_INTR_CONFIG;
 
 static void netxen_nic_disable_int(struct netxen_adapter *adapter)
 {
 	u32 mask = 0x7ff;
 	int retries = 32;
-	int port = adapter->portnum;
 	int pci_fn = adapter->ahw.pci_func;
 
 	if (adapter->msi_mode != MSI_MODE_MULTIFUNC)
-		writel(0x0, NETXEN_CRB_NORMALIZE(adapter, sw_int_mask[port]));
+		adapter->pci_write_normalize(adapter,
+				adapter->crb_intr_mask, 0);
 
 	if (adapter->intr_scheme != -1 &&
 	    adapter->intr_scheme != INTR_SCHEME_PERPORT)
-		writel(mask,PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_MASK));
+		adapter->pci_write_immediate(adapter, ISR_INT_MASK, mask);
 
-	if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) {
+	if (!NETXEN_IS_MSI_FAMILY(adapter)) {
 		do {
-			writel(0xffffffff,
-			       PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_TARGET_STATUS));
-			mask = readl(pci_base_offset(adapter, ISR_INT_VECTOR));
+			adapter->pci_write_immediate(adapter,
+					ISR_INT_TARGET_STATUS, 0xffffffff);
+			mask = adapter->pci_read_immediate(adapter,
+					ISR_INT_VECTOR);
 			if (!(mask & 0x80))
 				break;
 			udelay(10);
@@ -208,8 +180,8 @@ static void netxen_nic_disable_int(struct netxen_adapter *adapter)
 		}
 	} else {
 		if (adapter->msi_mode == MSI_MODE_MULTIFUNC) {
-			writel(0xffffffff, PCI_OFFSET_SECOND_RANGE(adapter,
-						msi_tgt_status[pci_fn]));
+			adapter->pci_write_immediate(adapter,
+					msi_tgt_status[pci_fn], 0xffffffff);
 		}
 	}
 }
@@ -217,7 +189,6 @@ static void netxen_nic_disable_int(struct netxen_adapter *adapter)
 static void netxen_nic_enable_int(struct netxen_adapter *adapter)
 {
 	u32 mask;
-	int port = adapter->portnum;
 
 	DPRINTK(1, INFO, "Entered ISR Enable \n");
 
@@ -235,24 +206,299 @@ static void netxen_nic_enable_int(struct netxen_adapter *adapter)
 			break;
 		}
 
-		writel(mask, PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_MASK));
+		adapter->pci_write_immediate(adapter, ISR_INT_MASK, mask);
 	}
 
-	writel(0x1, NETXEN_CRB_NORMALIZE(adapter, sw_int_mask[port]));
+	adapter->pci_write_normalize(adapter, adapter->crb_intr_mask, 0x1);
 
-	if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) {
+	if (!NETXEN_IS_MSI_FAMILY(adapter)) {
 		mask = 0xbff;
 		if (adapter->intr_scheme != -1 &&
 			adapter->intr_scheme != INTR_SCHEME_PERPORT) {
-			writel(0X0, NETXEN_CRB_NORMALIZE(adapter, CRB_INT_VECTOR));
+			adapter->pci_write_normalize(adapter,
+					CRB_INT_VECTOR, 0);
 		}
-		writel(mask,
-		       PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_TARGET_MASK));
+		adapter->pci_write_immediate(adapter,
+				ISR_INT_TARGET_MASK, mask);
 	}
 
 	DPRINTK(1, INFO, "Done with enable Int\n");
 }
 
+static int nx_set_dma_mask(struct netxen_adapter *adapter, uint8_t revision_id)
+{
+	struct pci_dev *pdev = adapter->pdev;
+	int err;
+	uint64_t mask;
+
+#ifdef CONFIG_IA64
+	adapter->dma_mask = DMA_32BIT_MASK;
+#else
+	if (revision_id >= NX_P3_B0) {
+		/* should go to DMA_64BIT_MASK */
+		adapter->dma_mask = DMA_39BIT_MASK;
+		mask = DMA_39BIT_MASK;
+	} else if (revision_id == NX_P3_A2) {
+		adapter->dma_mask = DMA_39BIT_MASK;
+		mask = DMA_39BIT_MASK;
+	} else if (revision_id == NX_P2_C1) {
+		adapter->dma_mask = DMA_35BIT_MASK;
+		mask = DMA_35BIT_MASK;
+	} else {
+		adapter->dma_mask = DMA_32BIT_MASK;
+		mask = DMA_32BIT_MASK;
+		goto set_32_bit_mask;
+	}
+
+	/*
+	 * Consistent DMA mask is set to 32 bit because it cannot be set to
+	 * 35 bits. For P3 also leave it at 32 bits for now. Only the rings
+	 * come off this pool.
+	 */
+	if (pci_set_dma_mask(pdev, mask) == 0 &&
+		pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK) == 0) {
+		adapter->pci_using_dac = 1;
+		return 0;
+	}
+#endif /* CONFIG_IA64 */
+
+set_32_bit_mask:
+	err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
+	if (!err)
+		err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
+	if (err) {
+		DPRINTK(ERR, "No usable DMA configuration, aborting:%d\n", err);
+		return err;
+	}
+
+	adapter->pci_using_dac = 0;
+	return 0;
+}
+
+static void netxen_check_options(struct netxen_adapter *adapter)
+{
+	switch (adapter->ahw.boardcfg.board_type) {
+	case NETXEN_BRDTYPE_P3_HMEZ:
+	case NETXEN_BRDTYPE_P3_XG_LOM:
+	case NETXEN_BRDTYPE_P3_10G_CX4:
+	case NETXEN_BRDTYPE_P3_10G_CX4_LP:
+	case NETXEN_BRDTYPE_P3_IMEZ:
+	case NETXEN_BRDTYPE_P3_10G_SFP_PLUS:
+	case NETXEN_BRDTYPE_P3_10G_XFP:
+	case NETXEN_BRDTYPE_P3_10000_BASE_T:
+		adapter->msix_supported = !!use_msi_x;
+		adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_10G;
+		break;
+
+	case NETXEN_BRDTYPE_P2_SB31_10G:
+	case NETXEN_BRDTYPE_P2_SB31_10G_CX4:
+	case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
+	case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ:
+		adapter->msix_supported = 0;
+		adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_10G;
+		break;
+
+	case NETXEN_BRDTYPE_P3_REF_QG:
+	case NETXEN_BRDTYPE_P3_4_GB:
+	case NETXEN_BRDTYPE_P3_4_GB_MM:
+	case NETXEN_BRDTYPE_P2_SB35_4G:
+	case NETXEN_BRDTYPE_P2_SB31_2G:
+		adapter->msix_supported = 0;
+		adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_1G;
+		break;
+
+	default:
+		adapter->msix_supported = 0;
+		adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_1G;
+
+		printk(KERN_WARNING "Unknown board type(0x%x)\n",
+				adapter->ahw.boardcfg.board_type);
+		break;
+	}
+
+	adapter->max_tx_desc_count = MAX_CMD_DESCRIPTORS_HOST;
+	adapter->max_jumbo_rx_desc_count = MAX_JUMBO_RCV_DESCRIPTORS;
+	adapter->max_lro_rx_desc_count = MAX_LRO_RCV_DESCRIPTORS;
+
+	adapter->max_possible_rss_rings = 1;
+	return;
+}
+
+static int
+netxen_check_hw_init(struct netxen_adapter *adapter, int first_boot)
+{
+	int ret = 0;
+
+	if (first_boot == 0x55555555) {
+		/* This is the first boot after power up */
+
+		/* PCI bus master workaround */
+		adapter->hw_read_wx(adapter,
+			NETXEN_PCIE_REG(0x4), &first_boot, 4);
+		if (!(first_boot & 0x4)) {
+			first_boot |= 0x4;
+			adapter->hw_write_wx(adapter,
+				NETXEN_PCIE_REG(0x4), &first_boot, 4);
+			adapter->hw_read_wx(adapter,
+				NETXEN_PCIE_REG(0x4), &first_boot, 4);
+		}
+
+		/* This is the first boot after power up */
+		adapter->hw_read_wx(adapter,
+			NETXEN_ROMUSB_GLB_SW_RESET, &first_boot, 4);
+		if (first_boot != 0x80000f) {
+			/* clear the register for future unloads/loads */
+			adapter->pci_write_normalize(adapter,
+					NETXEN_CAM_RAM(0x1fc), 0);
+			ret = -1;
+		}
+
+		if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
+			/* Start P2 boot loader */
+			adapter->pci_write_normalize(adapter,
+				NETXEN_CAM_RAM(0x1fc), NETXEN_BDINFO_MAGIC);
+			adapter->pci_write_normalize(adapter,
+					NETXEN_ROMUSB_GLB_PEGTUNE_DONE, 1);
+		}
+	}
+	return ret;
+}
+
+static void netxen_set_port_mode(struct netxen_adapter *adapter)
+{
+	u32 val, data;
+
+	val = adapter->ahw.boardcfg.board_type;
+	if ((val == NETXEN_BRDTYPE_P3_HMEZ) ||
+		(val == NETXEN_BRDTYPE_P3_XG_LOM)) {
+		if (port_mode == NETXEN_PORT_MODE_802_3_AP) {
+			data = NETXEN_PORT_MODE_802_3_AP;
+			adapter->hw_write_wx(adapter,
+				NETXEN_PORT_MODE_ADDR, &data, 4);
+		} else if (port_mode == NETXEN_PORT_MODE_XG) {
+			data = NETXEN_PORT_MODE_XG;
+			adapter->hw_write_wx(adapter,
+				NETXEN_PORT_MODE_ADDR, &data, 4);
+		} else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_1G) {
+			data = NETXEN_PORT_MODE_AUTO_NEG_1G;
+			adapter->hw_write_wx(adapter,
+				NETXEN_PORT_MODE_ADDR, &data, 4);
+		} else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_XG) {
+			data = NETXEN_PORT_MODE_AUTO_NEG_XG;
+			adapter->hw_write_wx(adapter,
+				NETXEN_PORT_MODE_ADDR, &data, 4);
+		} else {
+			data = NETXEN_PORT_MODE_AUTO_NEG;
+			adapter->hw_write_wx(adapter,
+				NETXEN_PORT_MODE_ADDR, &data, 4);
+		}
+
+		if ((wol_port_mode != NETXEN_PORT_MODE_802_3_AP) &&
+			(wol_port_mode != NETXEN_PORT_MODE_XG) &&
+			(wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_1G) &&
+			(wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_XG)) {
+			wol_port_mode = NETXEN_PORT_MODE_AUTO_NEG;
+		}
+		adapter->hw_write_wx(adapter, NETXEN_WOL_PORT_MODE,
+			&wol_port_mode, 4);
+	}
+}
+
+#define PCI_CAP_ID_GEN  0x10
+
+static void netxen_pcie_strap_init(struct netxen_adapter *adapter)
+{
+	u32 pdevfuncsave;
+	u32 c8c9value = 0;
+	u32 chicken = 0;
+	u32 control = 0;
+	int i, pos;
+	struct pci_dev *pdev;
+
+	pdev = pci_get_device(0x1166, 0x0140, NULL);
+	if (pdev) {
+		pci_dev_put(pdev);
+		adapter->hw_read_wx(adapter,
+			NETXEN_PCIE_REG(PCIE_TGT_SPLIT_CHICKEN), &chicken, 4);
+		chicken |= 0x4000;
+		adapter->hw_write_wx(adapter,
+			NETXEN_PCIE_REG(PCIE_TGT_SPLIT_CHICKEN), &chicken, 4);
+	}
+
+	pdev = adapter->pdev;
+
+	adapter->hw_read_wx(adapter,
+		NETXEN_PCIE_REG(PCIE_CHICKEN3), &chicken, 4);
+	/* clear chicken3.25:24 */
+	chicken &= 0xFCFFFFFF;
+	/*
+	 * if gen1 and B0, set F1020 - if gen 2, do nothing
+	 * if gen2 set to F1000
+	 */
+	pos = pci_find_capability(pdev, PCI_CAP_ID_GEN);
+	if (pos == 0xC0) {
+		pci_read_config_dword(pdev, pos + 0x10, &control);
+		if ((control & 0x000F0000) != 0x00020000) {
+			/*  set chicken3.24 if gen1 */
+			chicken |= 0x01000000;
+		}
+		printk(KERN_INFO "%s Gen2 strapping detected\n",
+				netxen_nic_driver_name);
+		c8c9value = 0xF1000;
+	} else {
+		/* set chicken3.24 if gen1 */
+		chicken |= 0x01000000;
+		printk(KERN_INFO "%s Gen1 strapping detected\n",
+				netxen_nic_driver_name);
+		if (adapter->ahw.revision_id == NX_P3_B0)
+			c8c9value = 0xF1020;
+		else
+			c8c9value = 0;
+
+	}
+	adapter->hw_write_wx(adapter,
+		NETXEN_PCIE_REG(PCIE_CHICKEN3), &chicken, 4);
+
+	if (!c8c9value)
+		return;
+
+	pdevfuncsave = pdev->devfn;
+	if (pdevfuncsave & 0x07)
+		return;
+
+	for (i = 0; i < 8; i++) {
+		pci_read_config_dword(pdev, pos + 8, &control);
+		pci_read_config_dword(pdev, pos + 8, &control);
+		pci_write_config_dword(pdev, pos + 8, c8c9value);
+		pdev->devfn++;
+	}
+	pdev->devfn = pdevfuncsave;
+}
+
+static void netxen_set_msix_bit(struct pci_dev *pdev, int enable)
+{
+	u32 control;
+	int pos;
+
+	pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
+	if (pos) {
+		pci_read_config_dword(pdev, pos, &control);
+		if (enable)
+			control |= PCI_MSIX_FLAGS_ENABLE;
+		else
+			control = 0;
+		pci_write_config_dword(pdev, pos, control);
+	}
+}
+
+static void netxen_init_msix_entries(struct netxen_adapter *adapter)
+{
+	int i;
+
+	for (i = 0; i < MSIX_ENTRIES_PER_ADAPTER; i++)
+		adapter->msix_entries[i].entry = i;
+}
+
 /*
  * netxen_nic_probe()
  *
@@ -278,28 +524,28 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 
 	u8 __iomem *db_ptr = NULL;
-	unsigned long mem_base, mem_len, db_base, db_len;
-	int pci_using_dac, i = 0, 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;
+	unsigned long mem_base, mem_len, db_base, db_len, pci_len0 = 0;
+	int i = 0, err;
+	int first_driver, first_boot;
 	__le64 mac_addr[FLASH_NUM_PORTS + 1];
-	int valid_mac = 0;
 	u32 val;
 	int pci_func_id = PCI_FUNC(pdev->devfn);
 	DECLARE_MAC_BUF(mac);
+	struct netxen_legacy_intr_set *legacy_intrp;
+	uint8_t revision_id;
 
 	if (pci_func_id == 0)
-		printk(KERN_INFO "%s \n", netxen_nic_driver_string);
+		printk(KERN_INFO "%s\n", netxen_nic_driver_string);
 
 	if (pdev->class != 0x020000) {
 		printk(KERN_DEBUG "NetXen function %d, class %x will not "
 				"be enabled.\n",pci_func_id, pdev->class);
 		return -ENODEV;
 	}
+
 	if ((err = pci_enable_device(pdev)))
 		return err;
+
 	if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
 		err = -ENODEV;
 		goto err_out_disable_pdev;
@@ -309,18 +555,6 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 		goto err_out_disable_pdev;
 
 	pci_set_master(pdev);
-	if (pdev->revision == NX_P2_C1 &&
-	    (pci_set_dma_mask(pdev, DMA_35BIT_MASK) == 0) &&
-	    (pci_set_consistent_dma_mask(pdev, DMA_35BIT_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;
-	}
-
 
 	netdev = alloc_etherdev(sizeof(struct netxen_adapter));
 	if(!netdev) {
@@ -333,13 +567,35 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	SET_NETDEV_DEV(netdev, &pdev->dev);
 
 	adapter = netdev->priv;
-
-	adapter->ahw.pdev = pdev;
+	adapter->netdev  = netdev;
+	adapter->pdev    = pdev;
 	adapter->ahw.pci_func  = pci_func_id;
 
+	revision_id = pdev->revision;
+	adapter->ahw.revision_id = revision_id;
+
+	err = nx_set_dma_mask(adapter, revision_id);
+	if (err)
+		goto err_out_free_netdev;
+
+	rwlock_init(&adapter->adapter_lock);
+	adapter->ahw.qdr_sn_window = -1;
+	adapter->ahw.ddr_mn_window = -1;
+
 	/* remap phys address */
 	mem_base = pci_resource_start(pdev, 0);	/* 0 is for BAR 0 */
 	mem_len = pci_resource_len(pdev, 0);
+	pci_len0 = 0;
+
+	adapter->hw_write_wx = netxen_nic_hw_write_wx_128M;
+	adapter->hw_read_wx = netxen_nic_hw_read_wx_128M;
+	adapter->pci_read_immediate = netxen_nic_pci_read_immediate_128M;
+	adapter->pci_write_immediate = netxen_nic_pci_write_immediate_128M;
+	adapter->pci_read_normalize = netxen_nic_pci_read_normalize_128M;
+	adapter->pci_write_normalize = netxen_nic_pci_write_normalize_128M;
+	adapter->pci_set_window = netxen_nic_pci_set_window_128M;
+	adapter->pci_mem_read = netxen_nic_pci_mem_read_128M;
+	adapter->pci_mem_write = netxen_nic_pci_mem_write_128M;
 
 	/* 128 Meg of memory */
 	if (mem_len == NETXEN_PCI_128MB_SIZE) {
@@ -356,27 +612,48 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 			SECOND_PAGE_GROUP_START, THIRD_PAGE_GROUP_SIZE);
 		first_page_group_start = 0;
 		first_page_group_end   = 0;
+	} else if (mem_len == NETXEN_PCI_2MB_SIZE) {
+		adapter->hw_write_wx = netxen_nic_hw_write_wx_2M;
+		adapter->hw_read_wx = netxen_nic_hw_read_wx_2M;
+		adapter->pci_read_immediate = netxen_nic_pci_read_immediate_2M;
+		adapter->pci_write_immediate =
+			netxen_nic_pci_write_immediate_2M;
+		adapter->pci_read_normalize = netxen_nic_pci_read_normalize_2M;
+		adapter->pci_write_normalize =
+			netxen_nic_pci_write_normalize_2M;
+		adapter->pci_set_window = netxen_nic_pci_set_window_2M;
+		adapter->pci_mem_read = netxen_nic_pci_mem_read_2M;
+		adapter->pci_mem_write = netxen_nic_pci_mem_write_2M;
+
+		mem_ptr0 = ioremap(mem_base, mem_len);
+		pci_len0 = mem_len;
+		first_page_group_start = 0;
+		first_page_group_end   = 0;
+
+		adapter->ahw.ddr_mn_window = 0;
+		adapter->ahw.qdr_sn_window = 0;
+
+		adapter->ahw.mn_win_crb = 0x100000 + PCIX_MN_WINDOW +
+			(pci_func_id * 0x20);
+		adapter->ahw.ms_win_crb = 0x100000 + PCIX_SN_WINDOW;
+		if (pci_func_id < 4)
+			adapter->ahw.ms_win_crb += (pci_func_id * 0x20);
+		else
+			adapter->ahw.ms_win_crb +=
+					0xA0 + ((pci_func_id - 4) * 0x10);
 	} else {
 		err = -EIO;
 		goto err_out_free_netdev;
 	}
 
-	if ((!mem_ptr0 && mem_len == NETXEN_PCI_128MB_SIZE) ||
-			!mem_ptr1 || !mem_ptr2) {
-		DPRINTK(ERR,
-			"Cannot remap adapter memory aborting.:"
-			"0 -> %p, 1 -> %p, 2 -> %p\n",
-			mem_ptr0, mem_ptr1, mem_ptr2);
+	dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20));
 
-		err = -EIO;
-		goto err_out_iounmap;
-	}
 	db_base = pci_resource_start(pdev, 4);	/* doorbell is on bar 4 */
 	db_len = pci_resource_len(pdev, 4);
 
 	if (db_len == 0) {
 		printk(KERN_ERR "%s: doorbell is disabled\n",
-		       netxen_nic_driver_name);
+				netxen_nic_driver_name);
 		err = -EIO;
 		goto err_out_iounmap;
 	}
@@ -386,13 +663,14 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	db_ptr = ioremap(db_base, NETXEN_DB_MAPSIZE_BYTES);
 	if (!db_ptr) {
 		printk(KERN_ERR "%s: Failed to allocate doorbell map.",
-		       netxen_nic_driver_name);
+				netxen_nic_driver_name);
 		err = -EIO;
 		goto err_out_iounmap;
 	}
 	DPRINTK(INFO, "doorbell ioremaped at %p\n", db_ptr);
 
 	adapter->ahw.pci_base0 = mem_ptr0;
+	adapter->ahw.pci_len0 = pci_len0;
 	adapter->ahw.first_page_group_start = first_page_group_start;
 	adapter->ahw.first_page_group_end   = first_page_group_end;
 	adapter->ahw.pci_base1 = mem_ptr1;
@@ -400,11 +678,18 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	adapter->ahw.db_base = db_ptr;
 	adapter->ahw.db_len = db_len;
 
-	adapter->netdev  = netdev;
-	adapter->pdev    = pdev;
-
 	netif_napi_add(netdev, &adapter->napi,
-		       netxen_nic_poll, NETXEN_NETDEV_WEIGHT);
+			netxen_nic_poll, NETXEN_NETDEV_WEIGHT);
+
+	if (revision_id >= NX_P3_B0)
+		legacy_intrp = &legacy_intr[pci_func_id];
+	else
+		legacy_intrp = &legacy_intr[0];
+
+	adapter->legacy_intr.int_vec_bit = legacy_intrp->int_vec_bit;
+	adapter->legacy_intr.tgt_status_reg = legacy_intrp->tgt_status_reg;
+	adapter->legacy_intr.tgt_mask_reg = legacy_intrp->tgt_mask_reg;
+	adapter->legacy_intr.pci_int_reg = legacy_intrp->pci_int_reg;
 
 	/* this will be read from FW later */
 	adapter->intr_scheme = -1;
@@ -414,12 +699,23 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	adapter->portnum = pci_func_id;
 	adapter->status   &= ~NETXEN_NETDEV_STATUS;
 	adapter->rx_csum = 1;
+	adapter->mc_enabled = 0;
+	if (NX_IS_REVISION_P3(revision_id)) {
+		adapter->max_mc_count = 38;
+		adapter->max_rds_rings = 2;
+	} else {
+		adapter->max_mc_count = 16;
+		adapter->max_rds_rings = 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;
+	if (NX_IS_REVISION_P3(revision_id))
+		netdev->set_multicast_list = netxen_p3_nic_set_multi;
+	else
+		netdev->set_multicast_list = netxen_p2_nic_set_multi;
 	netdev->set_mac_address    = netxen_nic_set_mac;
 	netdev->change_mtu	   = netxen_nic_change_mtu;
 	netdev->tx_timeout	   = netxen_tx_timeout;
@@ -435,18 +731,14 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	netdev->features = NETIF_F_SG;
 	netdev->features |= NETIF_F_IP_CSUM;
 	netdev->features |= NETIF_F_TSO;
+	if (NX_IS_REVISION_P3(revision_id)) {
+		netdev->features |= NETIF_F_IPV6_CSUM;
+		netdev->features |= NETIF_F_TSO6;
+	}
 
-	if (pci_using_dac)
+	if (adapter->pci_using_dac)
 		netdev->features |= NETIF_F_HIGHDMA;
 
-	if (pci_enable_msi(pdev))
-		adapter->flags &= ~NETXEN_NIC_MSI_ENABLED;
-	else
-		adapter->flags |= NETXEN_NIC_MSI_ENABLED;
-
-	netdev->irq = pdev->irq;
-	INIT_WORK(&adapter->tx_timeout_task, netxen_tx_timeout_task);
-
 	/*
 	 * 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.
@@ -455,87 +747,13 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 	if (netxen_nic_get_board_info(adapter) != 0) {
 		printk("%s: Error getting board config info.\n",
-		       netxen_nic_driver_name);
+				netxen_nic_driver_name);
 		err = -EIO;
 		goto err_out_iounmap;
 	}
 
-	/*
-	 *  Adapter in our case is quad port so initialize it before
-	 *  initializing the ports
-	 */
-
 	netxen_initialize_adapter_ops(adapter);
 
-	adapter->max_tx_desc_count = MAX_CMD_DESCRIPTORS_HOST;
-	if ((adapter->ahw.boardcfg.board_type == NETXEN_BRDTYPE_P2_SB35_4G) ||
-			(adapter->ahw.boardcfg.board_type ==
-			 NETXEN_BRDTYPE_P2_SB31_2G))
-		adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_1G;
-	else
-		adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS;
-	adapter->max_jumbo_rx_desc_count = MAX_JUMBO_RCV_DESCRIPTORS;
-	adapter->max_lro_rx_desc_count = MAX_LRO_RCV_DESCRIPTORS;
-
-	cmd_buf_arr = (struct netxen_cmd_buffer *)vmalloc(TX_RINGSIZE);
-	if (cmd_buf_arr == NULL) {
-		printk(KERN_ERR
-		       "%s: Could not allocate cmd_buf_arr memory:%d\n",
-		       netxen_nic_driver_name, (int)TX_RINGSIZE);
-		err = -ENOMEM;
-		goto err_out_free_adapter;
-	}
-	memset(cmd_buf_arr, 0, TX_RINGSIZE);
-	adapter->cmd_buf_arr = cmd_buf_arr;
-
-	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;
-
-			case RCV_RING_LRO:
-				rcv_desc->max_rx_desc_count =
-				    adapter->max_lro_rx_desc_count;
-				rcv_desc->flags = RCV_DESC_LRO;
-				rcv_desc->dma_size = RX_LRO_DMA_MAP_LEN;
-				rcv_desc->skb_size = MAX_RX_LRO_BUFFER_LENGTH;
-				break;
-
-			}
-			rcv_desc->rx_buf_arr = (struct netxen_rx_buffer *)
-			    vmalloc(RCV_BUFFSIZE);
-
-			if (rcv_desc->rx_buf_arr == NULL) {
-				printk(KERN_ERR "%s: Could not allocate "
-				       "rcv_desc->rx_buf_arr memory:%d\n",
-				       netxen_nic_driver_name,
-				       (int)RCV_BUFFSIZE);
-				err = -ENOMEM;
-				goto err_out_free_rx_buffer;
-			}
-			memset(rcv_desc->rx_buf_arr, 0, RCV_BUFFSIZE);
-		}
-
-	}
-
-	netxen_initialize_adapter_sw(adapter);	/* initialize the buffers in adapter */
-
 	/* Mezz cards have PCI function 0,2,3 enabled */
 	switch (adapter->ahw.boardcfg.board_type) {
 	case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
@@ -547,90 +765,71 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 		break;
 	}
 
-	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, netxen_watchdog_task);
-	adapter->ahw.pdev = pdev;
-	adapter->ahw.revision_id = pdev->revision;
-
-	/* make sure Window == 1 */
-	netxen_nic_pci_change_crbwindow(adapter, 1);
+	/*
+	 * This call will setup various max rx/tx counts.
+	 * It must be done before any buffer/ring allocations.
+	 */
+	netxen_check_options(adapter);
 
+	first_driver = 0;
+	if (NX_IS_REVISION_P3(revision_id)) {
+		if (adapter->ahw.pci_func == 0)
+			first_driver = 1;
+	} else {
+		if (adapter->portnum == 0)
+			first_driver = 1;
+	}
+	adapter->crb_addr_cmd_producer = crb_cmd_producer[adapter->portnum];
+	adapter->crb_addr_cmd_consumer = crb_cmd_consumer[adapter->portnum];
 	netxen_nic_update_cmd_producer(adapter, 0);
 	netxen_nic_update_cmd_consumer(adapter, 0);
-	writel(0, NETXEN_CRB_NORMALIZE(adapter, CRB_HOST_CMD_ADDR_LO));
 
-	if (netxen_is_flash_supported(adapter) == 0 &&
-	    netxen_get_flash_mac_addr(adapter, mac_addr) == 0)
-		valid_mac = 1;
-	else
-		valid_mac = 0;
-
-	if (valid_mac) {
-		unsigned char *p = (unsigned char *)&mac_addr[adapter->portnum];
-		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);
+	if (first_driver) {
+		first_boot = adapter->pci_read_normalize(adapter,
+				NETXEN_CAM_RAM(0x1fc));
 
-		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 %s.\n",
-			       netxen_nic_driver_name,
-			       print_mac(mac, netdev->dev_addr));
-		} else {
-			if (adapter->macaddr_set)
-				adapter->macaddr_set(adapter,
-							netdev->dev_addr);
+		err = netxen_check_hw_init(adapter, first_boot);
+		if (err) {
+			printk(KERN_ERR "%s: error in init HW init sequence\n",
+					netxen_nic_driver_name);
+			goto err_out_iounmap;
 		}
-	}
 
-	if (adapter->portnum == 0) {
-		err = netxen_initialize_adapter_offload(adapter);
-		if (err)
-			goto err_out_free_rx_buffer;
-		val = readl(NETXEN_CRB_NORMALIZE(adapter,
-					NETXEN_CAM_RAM(0x1fc)));
-		if (val == 0x55555555) {
-		    /* This is the first boot after power up */
-		    netxen_nic_read_w0(adapter, NETXEN_PCIE_REG(0x4), &val);
-			if (!(val & 0x4)) {
-				val |= 0x4;
-				netxen_nic_write_w0(adapter, NETXEN_PCIE_REG(0x4), val);
-				netxen_nic_read_w0(adapter, NETXEN_PCIE_REG(0x4), &val);
-				if (!(val & 0x4))
-					printk(KERN_ERR "%s: failed to set MSI bit in PCI-e reg\n",
-							netxen_nic_driver_name);
-			}
-		    val = readl(NETXEN_CRB_NORMALIZE(adapter,
-					NETXEN_ROMUSB_GLB_SW_RESET));
-		    printk(KERN_INFO"NetXen: read 0x%08x for reset reg.\n",val);
-		    if (val != 0x80000f) {
-			/* clear the register for future unloads/loads */
-				writel(0, NETXEN_CRB_NORMALIZE(adapter,
-							NETXEN_CAM_RAM(0x1fc)));
-				printk(KERN_ERR "ERROR in NetXen HW init sequence.\n");
-				err = -ENODEV;
-				goto err_out_free_dev;
-		    }
-		} else {
-			writel(0, NETXEN_CRB_NORMALIZE(adapter,
-						CRB_CMDPEG_STATE));
+		if (NX_IS_REVISION_P3(revision_id))
+			netxen_set_port_mode(adapter);
+
+		if (first_boot != 0x55555555) {
+			adapter->pci_write_normalize(adapter,
+						CRB_CMDPEG_STATE, 0);
 			netxen_pinit_from_rom(adapter, 0);
 			msleep(1);
 			netxen_load_firmware(adapter);
-			netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
 		}
 
-		/* clear the register for future unloads/loads */
-		writel(0, NETXEN_CRB_NORMALIZE(adapter, NETXEN_CAM_RAM(0x1fc)));
-		dev_info(&pdev->dev, "cmdpeg state: 0x%0x\n",
-			readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE)));
+		if (NX_IS_REVISION_P3(revision_id))
+			netxen_pcie_strap_init(adapter);
+
+		if (NX_IS_REVISION_P2(revision_id)) {
+
+			/* Initialize multicast addr pool owners */
+			val = 0x7654;
+			if (adapter->ahw.board_type == NETXEN_NIC_XGBE)
+				val |= 0x0f000000;
+			netxen_crb_writelit_adapter(adapter,
+					NETXEN_MAC_ADDR_CNTL_REG, val);
+
+		}
+
+		if ((first_boot == 0x55555555) &&
+			(NX_IS_REVISION_P2(revision_id))) {
+			/* Unlock the HW, prompting the boot sequence */
+			adapter->pci_write_normalize(adapter,
+					NETXEN_ROMUSB_GLB_PEGTUNE_DONE, 1);
+		}
+
+		err = netxen_initialize_adapter_offload(adapter);
+		if (err)
+			goto err_out_iounmap;
 
 		/*
 		 * Tell the hardware our version number.
@@ -638,24 +837,101 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 		i = (_NETXEN_NIC_LINUX_MAJOR << 16)
 			| ((_NETXEN_NIC_LINUX_MINOR << 8))
 			| (_NETXEN_NIC_LINUX_SUBVERSION);
-		writel(i, NETXEN_CRB_NORMALIZE(adapter, CRB_DRIVER_VERSION));
+		adapter->pci_write_normalize(adapter, CRB_DRIVER_VERSION, i);
 
-		/* Unlock the HW, prompting the boot sequence */
-		writel(1,
-			NETXEN_CRB_NORMALIZE(adapter,
-				NETXEN_ROMUSB_GLB_PEGTUNE_DONE));
 		/* Handshake with the card before we register the devices. */
 		netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
+
+	}	/* first_driver */
+
+	netxen_nic_flash_print(adapter);
+
+	if (NX_IS_REVISION_P3(revision_id)) {
+		adapter->hw_read_wx(adapter,
+				NETXEN_MIU_MN_CONTROL, &val, 4);
+		adapter->ahw.cut_through = (val & 0x4) ? 1 : 0;
+		dev_info(&pdev->dev, "firmware running in %s mode\n",
+		adapter->ahw.cut_through ? "cut through" : "legacy");
 	}
 
 	/*
 	 * See if the firmware gave us a virtual-physical port mapping.
 	 */
 	adapter->physical_port = adapter->portnum;
-	i = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_V2P(adapter->portnum)));
+	i = adapter->pci_read_normalize(adapter, CRB_V2P(adapter->portnum));
 	if (i != 0x55555555)
 		adapter->physical_port = i;
 
+	adapter->flags &= ~(NETXEN_NIC_MSI_ENABLED | NETXEN_NIC_MSIX_ENABLED);
+
+	netxen_set_msix_bit(pdev, 0);
+
+	if (NX_IS_REVISION_P3(revision_id)) {
+		if ((mem_len != NETXEN_PCI_128MB_SIZE) &&
+			mem_len != NETXEN_PCI_2MB_SIZE)
+			adapter->msix_supported = 0;
+	}
+
+	if (adapter->msix_supported) {
+
+		netxen_init_msix_entries(adapter);
+
+		if (pci_enable_msix(pdev, adapter->msix_entries,
+					MSIX_ENTRIES_PER_ADAPTER))
+			goto request_msi;
+
+		adapter->flags |= NETXEN_NIC_MSIX_ENABLED;
+		netxen_set_msix_bit(pdev, 1);
+		dev_info(&pdev->dev, "using msi-x interrupts\n");
+
+	} else {
+request_msi:
+		if (use_msi && !pci_enable_msi(pdev)) {
+			adapter->flags |= NETXEN_NIC_MSI_ENABLED;
+			dev_info(&pdev->dev, "using msi interrupts\n");
+		} else
+			dev_info(&pdev->dev, "using legacy interrupts\n");
+	}
+
+	if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
+		netdev->irq = adapter->msix_entries[0].vector;
+	else
+		netdev->irq = pdev->irq;
+
+	err = netxen_receive_peg_ready(adapter);
+	if (err)
+		goto err_out_disable_msi;
+
+	init_timer(&adapter->watchdog_timer);
+	adapter->ahw.linkup = 0;
+	adapter->watchdog_timer.function = &netxen_watchdog;
+	adapter->watchdog_timer.data = (unsigned long)adapter;
+	INIT_WORK(&adapter->watchdog_task, netxen_watchdog_task);
+	INIT_WORK(&adapter->tx_timeout_task, netxen_tx_timeout_task);
+
+	if (netxen_is_flash_supported(adapter) == 0 &&
+			netxen_get_flash_mac_addr(adapter, mac_addr) == 0) {
+		unsigned char *p;
+
+		p = (unsigned char *)&mac_addr[adapter->portnum];
+		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 %s.\n",
+					netxen_nic_driver_name,
+					print_mac(mac, netdev->dev_addr));
+		} else {
+			adapter->macaddr_set(adapter, netdev->dev_addr);
+		}
+	}
+
 	netif_carrier_off(netdev);
 	netif_stop_queue(netdev);
 
@@ -664,41 +940,37 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 			       " aborting\n", netxen_nic_driver_name,
 			       adapter->portnum);
 		err = -EIO;
-		goto err_out_free_dev;
+		goto err_out_disable_msi;
 	}
 
-	netxen_nic_flash_print(adapter);
 	pci_set_drvdata(pdev, adapter);
 
-	return 0;
-
-err_out_free_dev:
-	if (adapter->portnum == 0)
-		netxen_free_adapter_offload(adapter);
-
-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;
-			}
-		}
+	switch (adapter->ahw.board_type) {
+	case NETXEN_NIC_GBE:
+		dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
+				adapter->netdev->name);
+		break;
+	case NETXEN_NIC_XGBE:
+		dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
+				adapter->netdev->name);
+		break;
 	}
-	vfree(cmd_buf_arr);
 
-err_out_free_adapter:
+	return 0;
+
+err_out_disable_msi:
+	if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
+		pci_disable_msix(pdev);
 	if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
 		pci_disable_msi(pdev);
 
-	pci_set_drvdata(pdev, NULL);
+	if (first_driver)
+		netxen_free_adapter_offload(adapter);
 
+err_out_iounmap:
 	if (db_ptr)
 		iounmap(db_ptr);
 
-err_out_iounmap:
 	if (mem_ptr0)
 		iounmap(mem_ptr0);
 	if (mem_ptr1)
@@ -713,6 +985,7 @@ err_out_free_res:
 	pci_release_regions(pdev);
 
 err_out_disable_pdev:
+	pci_set_drvdata(pdev, NULL);
 	pci_disable_device(pdev);
 	return err;
 }
@@ -721,11 +994,6 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev)
 {
 	struct netxen_adapter *adapter;
 	struct net_device *netdev;
-	struct netxen_rx_buffer *buffer;
-	struct netxen_recv_context *recv_ctx;
-	struct netxen_rcv_desc_ctx *rcv_desc;
-	int i, ctxid, ring;
-	static int init_firmware_done = 0;
 
 	adapter = pci_get_drvdata(pdev);
 	if (adapter == NULL)
@@ -736,36 +1004,18 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev)
 	unregister_netdev(netdev);
 
 	if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) {
-		init_firmware_done++;
 		netxen_free_hw_resources(adapter);
+		netxen_free_sw_resources(adapter);
 	}
 
-	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);
-
 	if (adapter->portnum == 0)
 		netxen_free_adapter_offload(adapter);
 
 	if (adapter->irq)
 		free_irq(adapter->irq, adapter);
 
+	if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
+		pci_disable_msix(pdev);
 	if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
 		pci_disable_msi(pdev);
 
@@ -803,51 +1053,69 @@ static int netxen_nic_open(struct net_device *netdev)
 			return -EIO;
 		}
 
-		/* 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);
+		err = netxen_alloc_sw_resources(adapter);
 		if (err) {
-			printk(KERN_ERR "Error in setting hw resources:%d\n",
-			       err);
+			printk(KERN_ERR "%s: Error in setting sw resources\n",
+					netdev->name);
 			return err;
 		}
+
+		netxen_nic_clear_stats(adapter);
+
+		err = netxen_alloc_hw_resources(adapter);
+		if (err) {
+			printk(KERN_ERR "%s: Error in setting hw resources\n",
+					netdev->name);
+			goto err_out_free_sw;
+		}
+
+		if (adapter->fw_major < 4) {
+			adapter->crb_addr_cmd_producer =
+				crb_cmd_producer[adapter->portnum];
+			adapter->crb_addr_cmd_consumer =
+				crb_cmd_consumer[adapter->portnum];
+		}
+
+		netxen_nic_update_cmd_producer(adapter, 0);
+		netxen_nic_update_cmd_consumer(adapter, 0);
+
 		for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
-			for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++)
+			for (ring = 0; ring < adapter->max_rds_rings; ring++)
 				netxen_post_rx_buffers(adapter, ctx, ring);
 		}
-		adapter->irq = adapter->ahw.pdev->irq;
-		if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
+		if (NETXEN_IS_MSI_FAMILY(adapter))
 			handler = netxen_msi_intr;
 		else {
 			flags |= IRQF_SHARED;
 			handler = netxen_intr;
 		}
+		adapter->irq = netdev->irq;
 		err = request_irq(adapter->irq, handler,
 				  flags, netdev->name, adapter);
 		if (err) {
 			printk(KERN_ERR "request_irq failed with: %d\n", err);
-			netxen_free_hw_resources(adapter);
-			return err;
+			goto err_out_free_hw;
 		}
 
 		adapter->is_up = NETXEN_ADAPTER_UP_MAGIC;
 	}
+
 	/* Done here again so that even if phantom sw overwrote it,
 	 * we set it */
-	if (adapter->init_port
-	    && adapter->init_port(adapter, adapter->portnum) != 0) {
+	err = adapter->init_port(adapter, adapter->physical_port);
+	if (err) {
 		printk(KERN_ERR "%s: Failed to initialize port %d\n",
 				netxen_nic_driver_name, adapter->portnum);
-		return -EIO;
+		goto err_out_free_irq;
 	}
-	if (adapter->macaddr_set)
-		adapter->macaddr_set(adapter, netdev->dev_addr);
+	adapter->macaddr_set(adapter, netdev->dev_addr);
 
 	netxen_nic_set_link_parameters(adapter);
 
-	netxen_nic_set_multi(netdev);
-	if (adapter->set_mtu)
+	netdev->set_multicast_list(netdev);
+	if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
+		nx_fw_cmd_set_mtu(adapter, netdev->mtu);
+	else
 		adapter->set_mtu(adapter, netdev->mtu);
 
 	mod_timer(&adapter->watchdog_timer, jiffies);
@@ -858,6 +1126,14 @@ static int netxen_nic_open(struct net_device *netdev)
 	netif_start_queue(netdev);
 
 	return 0;
+
+err_out_free_irq:
+	free_irq(adapter->irq, adapter);
+err_out_free_hw:
+	netxen_free_hw_resources(adapter);
+err_out_free_sw:
+	netxen_free_sw_resources(adapter);
+	return err;
 }
 
 /*
@@ -866,9 +1142,6 @@ static int netxen_nic_open(struct net_device *netdev)
 static int netxen_nic_close(struct net_device *netdev)
 {
 	struct netxen_adapter *adapter = netdev_priv(netdev);
-	int i, j;
-	struct netxen_cmd_buffer *cmd_buff;
-	struct netxen_skb_frag *buffrag;
 
 	netif_carrier_off(netdev);
 	netif_stop_queue(netdev);
@@ -879,30 +1152,8 @@ static int netxen_nic_close(struct net_device *netdev)
 
 	netxen_nic_disable_int(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(adapter->pdev, buffrag->dma,
-					 buffrag->length, PCI_DMA_TODEVICE);
-			buffrag->dma = 0ULL;
-		}
-		for (j = 0; j < cmd_buff->frag_count; j++) {
-			buffrag++;
-			if (buffrag->dma) {
-				pci_unmap_page(adapter->pdev, buffrag->dma,
-					       buffrag->length,
-					       PCI_DMA_TODEVICE);
-				buffrag->dma = 0ULL;
-			}
-		}
-		/* 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++;
-	}
+	netxen_release_tx_buffers(adapter);
+
 	if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) {
 		FLUSH_SCHEDULED_WORK();
 		del_timer_sync(&adapter->watchdog_timer);
@@ -911,6 +1162,31 @@ static int netxen_nic_close(struct net_device *netdev)
 	return 0;
 }
 
+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) +
+					  ip_hdrlen(skb) + tcp_hdrlen(skb));
+
+		if ((NX_IS_REVISION_P3(adapter->ahw.revision_id)) &&
+				(skb->protocol == htons(ETH_P_IPV6)))
+			netxen_set_cmd_desc_opcode(desc, TX_TCP_LSO6);
+		else
+			netxen_set_cmd_desc_opcode(desc, TX_TCP_LSO);
+
+	} else if (skb->ip_summed == CHECKSUM_PARTIAL) {
+		if (ip_hdr(skb)->protocol == IPPROTO_TCP)
+			netxen_set_cmd_desc_opcode(desc, TX_TCP_PKT);
+		else if (ip_hdr(skb)->protocol == IPPROTO_UDP)
+			netxen_set_cmd_desc_opcode(desc, TX_UDP_PKT);
+		else
+			return;
+	}
+	desc->tcp_hdr_offset = skb_transport_offset(skb);
+	desc->ip_hdr_offset = skb_network_offset(skb);
+}
+
 static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
 {
 	struct netxen_adapter *adapter = netdev_priv(netdev);
@@ -932,7 +1208,7 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
 
 	/* There 4 fragments per descriptor */
 	no_of_desc = (frag_count + 3) >> 2;
-	if (netdev->features & NETIF_F_TSO) {
+	if (netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) {
 		if (skb_shinfo(skb)->gso_size > 0) {
 
 			no_of_desc++;
@@ -959,7 +1235,8 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
 	memset(hwdesc, 0, sizeof(struct cmd_desc_type0));
 	/* Take skb->data itself */
 	pbuf = &adapter->cmd_buf_arr[producer];
-	if ((netdev->features & NETIF_F_TSO) && skb_shinfo(skb)->gso_size > 0) {
+	if ((netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) &&
+			skb_shinfo(skb)->gso_size > 0) {
 		pbuf->mss = skb_shinfo(skb)->gso_size;
 		hwdesc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
 	} else {
@@ -1086,6 +1363,89 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
 	return NETDEV_TX_OK;
 }
 
+static int netxen_nic_check_temp(struct netxen_adapter *adapter)
+{
+	struct net_device *netdev = adapter->netdev;
+	uint32_t temp, temp_state, temp_val;
+	int rv = 0;
+
+	temp = adapter->pci_read_normalize(adapter, CRB_TEMP_STATE);
+
+	temp_state = nx_get_temp_state(temp);
+	temp_val = nx_get_temp_val(temp);
+
+	if (temp_state == NX_TEMP_PANIC) {
+		printk(KERN_ALERT
+		       "%s: Device temperature %d degrees C exceeds"
+		       " maximum allowed. Hardware has been shut down.\n",
+		       netxen_nic_driver_name, temp_val);
+
+		netif_carrier_off(netdev);
+		netif_stop_queue(netdev);
+		rv = 1;
+	} else if (temp_state == NX_TEMP_WARN) {
+		if (adapter->temp == NX_TEMP_NORMAL) {
+			printk(KERN_ALERT
+			       "%s: Device temperature %d degrees C "
+			       "exceeds operating range."
+			       " Immediate action needed.\n",
+			       netxen_nic_driver_name, temp_val);
+		}
+	} else {
+		if (adapter->temp == NX_TEMP_WARN) {
+			printk(KERN_INFO
+			       "%s: Device temperature is now %d degrees C"
+			       " in normal range.\n", netxen_nic_driver_name,
+			       temp_val);
+		}
+	}
+	adapter->temp = temp_state;
+	return rv;
+}
+
+static void netxen_nic_handle_phy_intr(struct netxen_adapter *adapter)
+{
+	struct net_device *netdev = adapter->netdev;
+	u32 val, port, linkup;
+
+	port = adapter->physical_port;
+
+	if (adapter->ahw.board_type == NETXEN_NIC_GBE) {
+		val = adapter->pci_read_normalize(adapter, CRB_XG_STATE);
+		linkup = (val >> port) & 1;
+	} else {
+		if (adapter->fw_major < 4) {
+			val = adapter->pci_read_normalize(adapter,
+					CRB_XG_STATE);
+			val = (val >> port*8) & 0xff;
+			linkup = (val == XG_LINK_UP);
+		} else {
+			val = adapter->pci_read_normalize(adapter,
+				CRB_XG_STATE_P3);
+			val = XG_LINK_STATE_P3(adapter->ahw.pci_func, val);
+			linkup = (val == XG_LINK_UP_P3);
+		}
+	}
+
+	if (adapter->ahw.linkup && !linkup) {
+		printk(KERN_INFO "%s: %s NIC Link is down\n",
+		       netxen_nic_driver_name, netdev->name);
+		adapter->ahw.linkup = 0;
+		if (netif_running(netdev)) {
+			netif_carrier_off(netdev);
+			netif_stop_queue(netdev);
+		}
+	} else if (!adapter->ahw.linkup && linkup) {
+		printk(KERN_INFO "%s: %s NIC Link is up\n",
+		       netxen_nic_driver_name, netdev->name);
+		adapter->ahw.linkup = 1;
+		if (netif_running(netdev)) {
+			netif_carrier_on(netdev);
+			netif_wake_queue(netdev);
+		}
+	}
+}
+
 static void netxen_watchdog(unsigned long v)
 {
 	struct netxen_adapter *adapter = (struct netxen_adapter *)v;
@@ -1093,6 +1453,19 @@ static void netxen_watchdog(unsigned long v)
 	SCHEDULE_WORK(&adapter->watchdog_task);
 }
 
+void netxen_watchdog_task(struct work_struct *work)
+{
+	struct netxen_adapter *adapter =
+		container_of(work, struct netxen_adapter, watchdog_task);
+
+	if ((adapter->portnum  == 0) && netxen_nic_check_temp(adapter))
+		return;
+
+	netxen_nic_handle_phy_intr(adapter);
+
+	mod_timer(&adapter->watchdog_timer, jiffies + 2 * HZ);
+}
+
 static void netxen_tx_timeout(struct net_device *netdev)
 {
 	struct netxen_adapter *adapter = (struct netxen_adapter *)
@@ -1118,6 +1491,38 @@ static void netxen_tx_timeout_task(struct work_struct *work)
 	netif_wake_queue(adapter->netdev);
 }
 
+/*
+ * 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_adapter *adapter = netdev_priv(netdev);
+	struct net_device_stats *stats = &adapter->net_stats;
+
+	memset(stats, 0, sizeof(*stats));
+
+	/* total packets received   */
+	stats->rx_packets = adapter->stats.no_rcv;
+	/* total packets transmitted    */
+	stats->tx_packets = adapter->stats.xmitedframes +
+		adapter->stats.xmitfinished;
+	/* total bytes received     */
+	stats->rx_bytes = adapter->stats.rxbytes;
+	/* total bytes transmitted  */
+	stats->tx_bytes = adapter->stats.txbytes;
+	/* bad packets received     */
+	stats->rx_errors = adapter->stats.rcvdbadskb;
+	/* packet transmit problems */
+	stats->tx_errors = adapter->stats.nocmddescriptor;
+	/* no space in linux buffers    */
+	stats->rx_dropped = adapter->stats.rxdropped;
+	/* no space available in linux  */
+	stats->tx_dropped = adapter->stats.txdropped;
+
+	return stats;
+}
+
 static inline void
 netxen_handle_int(struct netxen_adapter *adapter)
 {
@@ -1125,20 +1530,20 @@ netxen_handle_int(struct netxen_adapter *adapter)
 	napi_schedule(&adapter->napi);
 }
 
-irqreturn_t netxen_intr(int irq, void *data)
+static irqreturn_t netxen_intr(int irq, void *data)
 {
 	struct netxen_adapter *adapter = data;
 	u32 our_int = 0;
 
-	our_int = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_INT_VECTOR));
+	our_int = adapter->pci_read_normalize(adapter, CRB_INT_VECTOR);
 	/* not our interrupt */
 	if ((our_int & (0x80 << adapter->portnum)) == 0)
 		return IRQ_NONE;
 
 	if (adapter->intr_scheme == INTR_SCHEME_PERPORT) {
 		/* claim interrupt */
-		writel(our_int & ~((u32)(0x80 << adapter->portnum)),
-			NETXEN_CRB_NORMALIZE(adapter, CRB_INT_VECTOR));
+		adapter->pci_write_normalize(adapter, CRB_INT_VECTOR,
+				our_int & ~((u32)(0x80 << adapter->portnum)));
 	}
 
 	netxen_handle_int(adapter);
@@ -1146,7 +1551,7 @@ irqreturn_t netxen_intr(int irq, void *data)
 	return IRQ_HANDLED;
 }
 
-irqreturn_t netxen_msi_intr(int irq, void *data)
+static irqreturn_t netxen_msi_intr(int irq, void *data)
 {
 	struct netxen_adapter *adapter = data;
 
@@ -1220,10 +1625,6 @@ module_init(netxen_init_module);
 
 static void __exit netxen_exit_module(void)
 {
-	/*
-	 * Wait for some time to allow the dma to drain, if any.
-	 */
-	msleep(100);
 	pci_unregister_driver(&netxen_driver);
 	destroy_workqueue(netxen_workq);
 }
diff --git a/drivers/net/netxen/netxen_nic_niu.c b/drivers/net/netxen/netxen_nic_niu.c
index a3bc7cc67a6..4cb8f4a1cf4 100644
--- a/drivers/net/netxen/netxen_nic_niu.c
+++ b/drivers/net/netxen/netxen_nic_niu.c
@@ -46,9 +46,8 @@ static int phy_lock(struct netxen_adapter *adapter)
 	int done = 0, timeout = 0;
 
 	while (!done) {
-		done =
-		    readl(pci_base_offset
-			  (adapter, NETXEN_PCIE_REG(PCIE_SEM3_LOCK)));
+		done = netxen_nic_reg_read(adapter,
+				NETXEN_PCIE_REG(PCIE_SEM3_LOCK));
 		if (done == 1)
 			break;
 		if (timeout >= phy_lock_timeout) {
@@ -63,14 +62,14 @@ static int phy_lock(struct netxen_adapter *adapter)
 		}
 	}
 
-	writel(PHY_LOCK_DRIVER,
-	       NETXEN_CRB_NORMALIZE(adapter, NETXEN_PHY_LOCK_ID));
+	netxen_crb_writelit_adapter(adapter,
+			NETXEN_PHY_LOCK_ID, PHY_LOCK_DRIVER);
 	return 0;
 }
 
 static int phy_unlock(struct netxen_adapter *adapter)
 {
-	readl(pci_base_offset(adapter, NETXEN_PCIE_REG(PCIE_SEM3_UNLOCK)));
+	adapter->pci_read_immediate(adapter, NETXEN_PCIE_REG(PCIE_SEM3_UNLOCK));
 
 	return 0;
 }
@@ -109,7 +108,7 @@ int netxen_niu_gbe_phy_read(struct netxen_adapter *adapter, long reg,
 	 * so it cannot be in reset
 	 */
 
-	if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(0),
+	if (adapter->hw_read_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(0),
 				  &mac_cfg0, 4))
 		return -EIO;
 	if (netxen_gb_get_soft_reset(mac_cfg0)) {
@@ -119,7 +118,7 @@ int netxen_niu_gbe_phy_read(struct netxen_adapter *adapter, long reg,
 		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,
+		if (adapter->hw_write_wx(adapter,
 					   NETXEN_NIU_GB_MAC_CONFIG_0(0),
 					   &temp, 4))
 			return -EIO;
@@ -129,22 +128,22 @@ int netxen_niu_gbe_phy_read(struct netxen_adapter *adapter, long reg,
 	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),
+	if (adapter->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),
+	if (adapter->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),
+	if (adapter->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,
+		if (adapter->hw_read_wx(adapter,
 					  NETXEN_NIU_GB_MII_MGMT_INDICATE(0),
 					  &status, 4))
 			return -EIO;
@@ -154,7 +153,7 @@ int netxen_niu_gbe_phy_read(struct netxen_adapter *adapter, long reg,
 		 && (timeout++ < NETXEN_NIU_PHY_WAITMAX));
 
 	if (timeout < NETXEN_NIU_PHY_WAITMAX) {
-		if (netxen_nic_hw_read_wx(adapter,
+		if (adapter->hw_read_wx(adapter,
 					  NETXEN_NIU_GB_MII_MGMT_STATUS(0),
 					  readval, 4))
 			return -EIO;
@@ -163,7 +162,7 @@ int netxen_niu_gbe_phy_read(struct netxen_adapter *adapter, long reg,
 		result = -1;
 
 	if (restore)
-		if (netxen_nic_hw_write_wx(adapter,
+		if (adapter->hw_write_wx(adapter,
 					   NETXEN_NIU_GB_MAC_CONFIG_0(0),
 					   &mac_cfg0, 4))
 			return -EIO;
@@ -201,7 +200,7 @@ int netxen_niu_gbe_phy_write(struct netxen_adapter *adapter, long reg,
 	 * cannot be in reset
 	 */
 
-	if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(0),
+	if (adapter->hw_read_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(0),
 				  &mac_cfg0, 4))
 		return -EIO;
 	if (netxen_gb_get_soft_reset(mac_cfg0)) {
@@ -212,7 +211,7 @@ int netxen_niu_gbe_phy_write(struct netxen_adapter *adapter, long reg,
 		netxen_gb_tx_reset_mac(temp);
 		netxen_gb_rx_reset_mac(temp);
 
-		if (netxen_nic_hw_write_wx(adapter,
+		if (adapter->hw_write_wx(adapter,
 					   NETXEN_NIU_GB_MAC_CONFIG_0(0),
 					   &temp, 4))
 			return -EIO;
@@ -220,24 +219,24 @@ int netxen_niu_gbe_phy_write(struct netxen_adapter *adapter, long reg,
 	}
 
 	command = 0;		/* turn off any prior activity */
-	if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_COMMAND(0),
+	if (adapter->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),
+	if (adapter->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),
+	if (adapter->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,
+		if (adapter->hw_read_wx(adapter,
 					  NETXEN_NIU_GB_MII_MGMT_INDICATE(0),
 					  &status, 4))
 			return -EIO;
@@ -252,7 +251,7 @@ int netxen_niu_gbe_phy_write(struct netxen_adapter *adapter, long reg,
 
 	/* restore the state of port 0 MAC in case we tampered with it */
 	if (restore)
-		if (netxen_nic_hw_write_wx(adapter,
+		if (adapter->hw_write_wx(adapter,
 					   NETXEN_NIU_GB_MAC_CONFIG_0(0),
 					   &mac_cfg0, 4))
 			return -EIO;
@@ -401,14 +400,16 @@ int netxen_niu_gbe_init_port(struct netxen_adapter *adapter, int port)
 {
 	int result = 0;
 	__u32 status;
+
+	if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
+		return 0;
+
 	if (adapter->disable_phy_interrupts)
 		adapter->disable_phy_interrupts(adapter);
 	mdelay(2);
 
-	if (0 ==
-	    netxen_niu_gbe_phy_read(adapter,
-				    NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
-				    &status)) {
+	if (0 == netxen_niu_gbe_phy_read(adapter,
+			NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS, &status)) {
 		if (netxen_get_phy_link(status)) {
 			if (netxen_get_phy_speed(status) == 2) {
 				netxen_niu_gbe_set_gmii_mode(adapter, port, 1);
@@ -456,12 +457,12 @@ int netxen_niu_gbe_init_port(struct netxen_adapter *adapter, int port)
 
 int netxen_niu_xg_init_port(struct netxen_adapter *adapter, int port)
 {
-	u32 portnum = adapter->physical_port;
-
-	netxen_crb_writelit_adapter(adapter,
-		NETXEN_NIU_XGE_CONFIG_1+(0x10000*portnum), 0x1447);
-	netxen_crb_writelit_adapter(adapter,
-		NETXEN_NIU_XGE_CONFIG_0+(0x10000*portnum), 0x5);
+	if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
+		netxen_crb_writelit_adapter(adapter,
+			NETXEN_NIU_XGE_CONFIG_1+(0x10000*port), 0x1447);
+		netxen_crb_writelit_adapter(adapter,
+			NETXEN_NIU_XGE_CONFIG_0+(0x10000*port), 0x5);
+	}
 
 	return 0;
 }
@@ -581,10 +582,10 @@ static int netxen_niu_macaddr_get(struct netxen_adapter *adapter,
 	if ((phy < 0) || (phy > 3))
 		return -EINVAL;
 
-	if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_GB_STATION_ADDR_0(phy),
+	if (adapter->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),
+	if (adapter->hw_read_wx(adapter, NETXEN_NIU_GB_STATION_ADDR_1(phy),
 				  &stationlow, 4))
 		return -EIO;
 	((__le32 *)val)[1] = cpu_to_le32(stationhigh);
@@ -613,14 +614,14 @@ int netxen_niu_macaddr_set(struct netxen_adapter *adapter,
 		temp[0] = temp[1] = 0;
 		memcpy(temp + 2, addr, 2);
 		val = le32_to_cpu(*(__le32 *)temp);
-		if (netxen_nic_hw_write_wx
-		    (adapter, NETXEN_NIU_GB_STATION_ADDR_1(phy), &val, 4))
+		if (adapter->hw_write_wx(adapter,
+				NETXEN_NIU_GB_STATION_ADDR_1(phy), &val, 4))
 			return -EIO;
 
 		memcpy(temp, ((u8 *) addr) + 2, sizeof(__le32));
 		val = le32_to_cpu(*(__le32 *)temp);
-		if (netxen_nic_hw_write_wx
-		    (adapter, NETXEN_NIU_GB_STATION_ADDR_0(phy), &val, 4))
+		if (adapter->hw_write_wx(adapter,
+				NETXEN_NIU_GB_STATION_ADDR_0(phy), &val, 4))
 			return -2;
 
 		netxen_niu_macaddr_get(adapter,
@@ -654,7 +655,7 @@ int netxen_niu_enable_gbe_port(struct netxen_adapter *adapter,
 
 	mac_cfg0 = 0;
 	netxen_gb_soft_reset(mac_cfg0);
-	if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port),
+	if (adapter->hw_write_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port),
 				   &mac_cfg0, 4))
 		return -EIO;
 	mac_cfg0 = 0;
@@ -666,7 +667,7 @@ int netxen_niu_enable_gbe_port(struct netxen_adapter *adapter,
 	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),
+	if (adapter->hw_write_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port),
 				   &mac_cfg0, 4))
 		return -EIO;
 	mac_cfg1 = 0;
@@ -679,7 +680,7 @@ int netxen_niu_enable_gbe_port(struct netxen_adapter *adapter,
 
 	if (mode == NETXEN_NIU_10_100_MB) {
 		netxen_gb_set_intfmode(mac_cfg1, 1);
-		if (netxen_nic_hw_write_wx(adapter,
+		if (adapter->hw_write_wx(adapter,
 					   NETXEN_NIU_GB_MAC_CONFIG_1(port),
 					   &mac_cfg1, 4))
 			return -EIO;
@@ -692,7 +693,7 @@ int netxen_niu_enable_gbe_port(struct netxen_adapter *adapter,
 
 	} else if (mode == NETXEN_NIU_1000_MB) {
 		netxen_gb_set_intfmode(mac_cfg1, 2);
-		if (netxen_nic_hw_write_wx(adapter,
+		if (adapter->hw_write_wx(adapter,
 					   NETXEN_NIU_GB_MAC_CONFIG_1(port),
 					   &mac_cfg1, 4))
 			return -EIO;
@@ -704,7 +705,7 @@ int netxen_niu_enable_gbe_port(struct netxen_adapter *adapter,
 	}
 	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),
+	if (adapter->hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_CONFIG(port),
 				   &mii_cfg, 4))
 		return -EIO;
 	mac_cfg0 = 0;
@@ -713,7 +714,7 @@ int netxen_niu_enable_gbe_port(struct netxen_adapter *adapter,
 	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),
+	if (adapter->hw_write_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port),
 				   &mac_cfg0, 4))
 		return -EIO;
 	return 0;
@@ -730,7 +731,7 @@ int netxen_niu_disable_gbe_port(struct netxen_adapter *adapter)
 		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),
+	if (adapter->hw_write_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port),
 				   &mac_cfg0, 4))
 		return -EIO;
 	return 0;
@@ -746,7 +747,7 @@ int netxen_niu_disable_xg_port(struct netxen_adapter *adapter)
 		return -EINVAL;
 
 	mac_cfg = 0;
-	if (netxen_nic_hw_write_wx(adapter,
+	if (adapter->hw_write_wx(adapter,
 		NETXEN_NIU_XGE_CONFIG_0 + (0x10000 * port), &mac_cfg, 4))
 		return -EIO;
 	return 0;
@@ -763,7 +764,7 @@ int netxen_niu_set_promiscuous_mode(struct netxen_adapter *adapter,
 		return -EINVAL;
 
 	/* save previous contents */
-	if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_GB_DROP_WRONGADDR,
+	if (adapter->hw_read_wx(adapter, NETXEN_NIU_GB_DROP_WRONGADDR,
 				  &reg, 4))
 		return -EIO;
 	if (mode == NETXEN_NIU_PROMISC_MODE) {
@@ -801,7 +802,7 @@ int netxen_niu_set_promiscuous_mode(struct netxen_adapter *adapter,
 			return -EIO;
 		}
 	}
-	if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_DROP_WRONGADDR,
+	if (adapter->hw_write_wx(adapter, NETXEN_NIU_GB_DROP_WRONGADDR,
 				   &reg, 4))
 		return -EIO;
 	return 0;
@@ -826,13 +827,13 @@ int netxen_niu_xg_macaddr_set(struct netxen_adapter *adapter,
 	case 0:
 	    memcpy(temp + 2, addr, 2);
 	    val = le32_to_cpu(*(__le32 *)temp);
-	    if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_XGE_STATION_ADDR_0_1,
+	    if (adapter->hw_write_wx(adapter, NETXEN_NIU_XGE_STATION_ADDR_0_1,
 				&val, 4))
 		return -EIO;
 
 	    memcpy(&temp, ((u8 *) addr) + 2, sizeof(__le32));
 	    val = le32_to_cpu(*(__le32 *)temp);
-	    if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_XGE_STATION_ADDR_0_HI,
+	    if (adapter->hw_write_wx(adapter, NETXEN_NIU_XGE_STATION_ADDR_0_HI,
 				&val, 4))
 		return -EIO;
 	    break;
@@ -840,13 +841,13 @@ int netxen_niu_xg_macaddr_set(struct netxen_adapter *adapter,
 	case 1:
 	    memcpy(temp + 2, addr, 2);
 	    val = le32_to_cpu(*(__le32 *)temp);
-	    if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_XG1_STATION_ADDR_0_1,
+	    if (adapter->hw_write_wx(adapter, NETXEN_NIU_XG1_STATION_ADDR_0_1,
 				&val, 4))
 		return -EIO;
 
 	    memcpy(&temp, ((u8 *) addr) + 2, sizeof(__le32));
 	    val = le32_to_cpu(*(__le32 *)temp);
-	    if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_XG1_STATION_ADDR_0_HI,
+	    if (adapter->hw_write_wx(adapter, NETXEN_NIU_XG1_STATION_ADDR_0_HI,
 				&val, 4))
 		return -EIO;
 	    break;
@@ -877,10 +878,10 @@ int netxen_niu_xg_macaddr_get(struct netxen_adapter *adapter,
 	if (phy != 0)
 		return -EINVAL;
 
-	if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_XGE_STATION_ADDR_0_HI,
+	if (adapter->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,
+	if (adapter->hw_read_wx(adapter, NETXEN_NIU_XGE_STATION_ADDR_0_1,
 				  &stationlow, 4))
 		return -EIO;
 	((__le32 *)val)[1] = cpu_to_le32(stationhigh);
@@ -901,7 +902,7 @@ int netxen_niu_xg_set_promiscuous_mode(struct netxen_adapter *adapter,
 	if (port > NETXEN_NIU_MAX_XG_PORTS)
 		return -EINVAL;
 
-	if (netxen_nic_hw_read_wx(adapter,
+	if (adapter->hw_read_wx(adapter,
 		NETXEN_NIU_XGE_CONFIG_1 + (0x10000 * port), &reg, 4))
 			return -EIO;
 	if (mode == NETXEN_NIU_PROMISC_MODE)
@@ -909,6 +910,11 @@ int netxen_niu_xg_set_promiscuous_mode(struct netxen_adapter *adapter,
 	else
 		reg = (reg & ~0x2000UL);
 
+	if (mode == NETXEN_NIU_ALLMULTI_MODE)
+		reg = (reg | 0x1000UL);
+	else
+		reg = (reg & ~0x1000UL);
+
 	netxen_crb_writelit_adapter(adapter,
 		NETXEN_NIU_XGE_CONFIG_1 + (0x10000 * port), reg);
 
diff --git a/drivers/net/netxen/netxen_nic_phan_reg.h b/drivers/net/netxen/netxen_nic_phan_reg.h
index a566b50f36f..3bfa51b62a4 100644
--- a/drivers/net/netxen/netxen_nic_phan_reg.h
+++ b/drivers/net/netxen/netxen_nic_phan_reg.h
@@ -42,8 +42,11 @@
 #define CRB_CMD_CONSUMER_OFFSET     NETXEN_NIC_REG(0x0c)
 #define CRB_PAUSE_ADDR_LO           NETXEN_NIC_REG(0x10)	/* C0 EPG BUG  */
 #define CRB_PAUSE_ADDR_HI           NETXEN_NIC_REG(0x14)
-#define CRB_HOST_CMD_ADDR_HI        NETXEN_NIC_REG(0x18)	/* host add:cmd ring */
-#define CRB_HOST_CMD_ADDR_LO        NETXEN_NIC_REG(0x1c)
+#define NX_CDRP_CRB_OFFSET          NETXEN_NIC_REG(0x18)
+#define NX_ARG1_CRB_OFFSET          NETXEN_NIC_REG(0x1c)
+#define NX_ARG2_CRB_OFFSET          NETXEN_NIC_REG(0x20)
+#define NX_ARG3_CRB_OFFSET          NETXEN_NIC_REG(0x24)
+#define NX_SIGN_CRB_OFFSET          NETXEN_NIC_REG(0x28)
 #define CRB_CMD_INTR_LOOP           NETXEN_NIC_REG(0x20)	/* 4 regs for perf */
 #define CRB_CMD_DMA_LOOP            NETXEN_NIC_REG(0x24)
 #define CRB_RCV_INTR_LOOP           NETXEN_NIC_REG(0x28)
@@ -73,8 +76,8 @@
 #define CRB_RX_LRO_MID_TIMER        NETXEN_NIC_REG(0x88)
 #define CRB_DMA_MAX_RCV_BUFS        NETXEN_NIC_REG(0x8c)
 #define CRB_MAX_DMA_ENTRIES         NETXEN_NIC_REG(0x90)
-#define CRB_XG_STATE                NETXEN_NIC_REG(0x94)	/* XG Link status */
-#define CRB_AGENT_GO                NETXEN_NIC_REG(0x98)	/* NIC pkt gen agent */
+#define CRB_XG_STATE                NETXEN_NIC_REG(0x94) /* XG Link status */
+#define CRB_XG_STATE_P3             NETXEN_NIC_REG(0x98) /* XG PF Link status */
 #define CRB_AGENT_TX_SIZE           NETXEN_NIC_REG(0x9c)
 #define CRB_AGENT_TX_TYPE           NETXEN_NIC_REG(0xa0)
 #define CRB_AGENT_TX_ADDR           NETXEN_NIC_REG(0xa4)
@@ -97,7 +100,9 @@
 #define CRB_HOST_BUFFER_CONS        NETXEN_NIC_REG(0xf0)
 #define CRB_JUMBO_BUFFER_PROD       NETXEN_NIC_REG(0xf4)
 #define CRB_JUMBO_BUFFER_CONS       NETXEN_NIC_REG(0xf8)
+#define CRB_HOST_DUMMY_BUF          NETXEN_NIC_REG(0xfc)
 
+#define CRB_RCVPEG_STATE            NETXEN_NIC_REG(0x13c)
 #define CRB_CMD_PRODUCER_OFFSET_1   NETXEN_NIC_REG(0x1ac)
 #define CRB_CMD_CONSUMER_OFFSET_1   NETXEN_NIC_REG(0x1b0)
 #define CRB_CMD_PRODUCER_OFFSET_2   NETXEN_NIC_REG(0x1b8)
@@ -147,29 +152,15 @@
 #define nx_get_temp_state(x)		((x) & 0xffff)
 #define nx_encode_temp(val, state)	(((val) << 16) | (state))
 
-/* 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;
-	u32 crb_rcv_ring_size;
-};
-
 /*
  * CRB registers used by the receive peg logic.
  */
 
 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;
-	u32 crb_status_ring_size;
+	u32 crb_rcv_producer[NUM_RCV_DESC_RINGS];
+	u32 crb_sts_consumer;
 };
 
-extern struct netxen_recv_crb recv_crb_registers[];
-
 /*
  * Temperature control.
  */