2 * Copyright (C) 2003 - 2006 NetXen, Inc.
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
20 * The full GNU General Public License is included in this distribution
21 * in the file called LICENSE.
23 * Contact Information:
26 * 3965 Freedom Circle, Fourth floor,
27 * Santa Clara, CA 95054
30 #ifndef _NETXEN_NIC_H_
31 #define _NETXEN_NIC_H_
33 #include <linux/module.h>
34 #include <linux/kernel.h>
35 #include <linux/types.h>
36 #include <linux/compiler.h>
37 #include <linux/slab.h>
38 #include <linux/delay.h>
39 #include <linux/init.h>
40 #include <linux/ioport.h>
41 #include <linux/pci.h>
42 #include <linux/netdevice.h>
43 #include <linux/etherdevice.h>
46 #include <linux/tcp.h>
47 #include <linux/skbuff.h>
48 #include <linux/version.h>
50 #include <linux/ethtool.h>
51 #include <linux/mii.h>
52 #include <linux/interrupt.h>
53 #include <linux/timer.h>
56 #include <linux/mman.h>
58 #include <asm/system.h>
60 #include <asm/byteorder.h>
61 #include <asm/uaccess.h>
62 #include <asm/pgtable.h>
64 #include "netxen_nic_hw.h"
66 #define NETXEN_NIC_BUILD_NO "5"
67 #define _NETXEN_NIC_LINUX_MAJOR 2
68 #define _NETXEN_NIC_LINUX_MINOR 3
69 #define _NETXEN_NIC_LINUX_SUBVERSION 59
70 #define NETXEN_NIC_LINUX_VERSIONID "2.3.59" "-" NETXEN_NIC_BUILD_NO
71 #define NETXEN_NIC_FW_VERSIONID "2.3.59"
73 #define RCV_DESC_RINGSIZE \
74 (sizeof(struct rcv_desc) * adapter->max_rx_desc_count)
75 #define STATUS_DESC_RINGSIZE \
76 (sizeof(struct status_desc)* adapter->max_rx_desc_count)
78 (sizeof(struct netxen_cmd_buffer) * adapter->max_tx_desc_count)
79 #define RCV_BUFFSIZE \
80 (sizeof(struct netxen_rx_buffer) * rcv_desc->max_rx_desc_count)
81 #define find_diff_among(a,b,range) ((a)<(b)?((b)-(a)):((b)+(range)-(a)))
83 #define NETXEN_NETDEV_STATUS 0x1
85 #define ADDR_IN_WINDOW1(off) \
86 ((off > NETXEN_CRB_PCIX_HOST2) && (off < NETXEN_CRB_MAX)) ? 1 : 0
89 * normalize a 64MB crb address to 32MB PCI window
90 * To use NETXEN_CRB_NORMALIZE, window _must_ be set to 1
92 #define NETXEN_CRB_NORMAL(reg) \
93 (reg) - NETXEN_CRB_PCIX_HOST2 + NETXEN_CRB_PCIX_HOST
95 #define NETXEN_CRB_NORMALIZE(adapter, reg) \
96 pci_base_offset(adapter, NETXEN_CRB_NORMAL(reg))
98 #define FIRST_PAGE_GROUP_START 0
99 #define FIRST_PAGE_GROUP_END 0x400000
101 #define SECOND_PAGE_GROUP_START 0x4000000
102 #define SECOND_PAGE_GROUP_END 0x66BC000
104 #define THIRD_PAGE_GROUP_START 0x70E4000
105 #define THIRD_PAGE_GROUP_END 0x8000000
107 #define FIRST_PAGE_GROUP_SIZE FIRST_PAGE_GROUP_END - FIRST_PAGE_GROUP_START
108 #define SECOND_PAGE_GROUP_SIZE SECOND_PAGE_GROUP_END - SECOND_PAGE_GROUP_START
109 #define THIRD_PAGE_GROUP_SIZE THIRD_PAGE_GROUP_END - THIRD_PAGE_GROUP_START
111 #define MAX_RX_BUFFER_LENGTH 2000
112 #define MAX_RX_JUMBO_BUFFER_LENGTH 9046
113 #define RX_DMA_MAP_LEN (MAX_RX_BUFFER_LENGTH - NET_IP_ALIGN)
114 #define RX_JUMBO_DMA_MAP_LEN \
115 (MAX_RX_JUMBO_BUFFER_LENGTH - NET_IP_ALIGN)
116 #define NETXEN_ROM_ROUNDUP 0x80000000ULL
119 * Maximum number of ring contexts
121 #define MAX_RING_CTX 1
123 /* Opcodes to be used with the commands */
126 /* The following opcodes are for IP checksum */
135 /* The following opcodes are for internal consumption. */
136 #define NETXEN_CONTROL_OP 0x10
137 #define PEGNET_REQUEST 0x11
139 #define MAX_NUM_CARDS 4
141 #define MAX_BUFFERS_PER_CMD 32
144 * Following are the states of the Phantom. Phantom will set them and
145 * Host will read to check if the fields are correct.
147 #define PHAN_INITIALIZE_START 0xff00
148 #define PHAN_INITIALIZE_FAILED 0xffff
149 #define PHAN_INITIALIZE_COMPLETE 0xff01
151 /* Host writes the following to notify that it has done the init-handshake */
152 #define PHAN_INITIALIZE_ACK 0xf00f
154 #define NUM_RCV_DESC_RINGS 2 /* No of Rcv Descriptor contexts */
156 /* descriptor types */
157 #define RCV_DESC_NORMAL 0x01
158 #define RCV_DESC_JUMBO 0x02
159 #define RCV_DESC_NORMAL_CTXID 0
160 #define RCV_DESC_JUMBO_CTXID 1
162 #define RCV_DESC_TYPE(ID) \
163 ((ID == RCV_DESC_JUMBO_CTXID) ? RCV_DESC_JUMBO : RCV_DESC_NORMAL)
165 #define MAX_CMD_DESCRIPTORS 1024
166 #define MAX_RCV_DESCRIPTORS 32768
167 #define MAX_JUMBO_RCV_DESCRIPTORS 1024
168 #define MAX_RCVSTATUS_DESCRIPTORS MAX_RCV_DESCRIPTORS
169 #define MAX_JUMBO_RCV_DESC MAX_JUMBO_RCV_DESCRIPTORS
170 #define MAX_RCV_DESC MAX_RCV_DESCRIPTORS
171 #define MAX_RCVSTATUS_DESC MAX_RCV_DESCRIPTORS
172 #define NUM_RCV_DESC (MAX_RCV_DESC + MAX_JUMBO_RCV_DESCRIPTORS)
173 #define MAX_EPG_DESCRIPTORS (MAX_CMD_DESCRIPTORS * 8)
175 #define MIN_TX_COUNT 4096
176 #define MIN_RX_COUNT 4096
178 #define MAX_FRAME_SIZE 0x10000 /* 64K MAX size for LSO */
180 #define PHAN_PEG_RCV_INITIALIZED 0xff01
181 #define PHAN_PEG_RCV_START_INITIALIZE 0xff00
183 #define get_next_index(index, length) \
184 (((index) + 1) & ((length) - 1))
186 #define get_index_range(index,length,count) \
187 (((index) + (count)) & ((length) - 1))
190 * Following data structures describe the descriptors that will be used.
191 * Added fileds of tcpHdrSize and ipHdrSize, The driver needs to do it only when
192 * we are doing LSO (above the 1500 size packet) only.
196 * The size of reference handle been changed to 16 bits to pass the MSS fields
200 #define FLAGS_CHECKSUM_ENABLED 0x01
201 #define FLAGS_LSO_ENABLED 0x02
202 #define FLAGS_IPSEC_SA_ADD 0x04
203 #define FLAGS_IPSEC_SA_DELETE 0x08
204 #define FLAGS_VLAN_TAGGED 0x10
206 #define CMD_DESC_TOTAL_LENGTH(cmd_desc) \
207 ((cmd_desc)->length_tcp_hdr & 0x00FFFFFF)
208 #define CMD_DESC_TCP_HDR_OFFSET(cmd_desc) \
209 (((cmd_desc)->length_tcp_hdr >> 24) & 0x0FF)
210 #define CMD_DESC_PORT(cmd_desc) ((cmd_desc)->port_ctxid & 0x0F)
211 #define CMD_DESC_CTX_ID(cmd_desc) (((cmd_desc)->port_ctxid >> 4) & 0x0F)
213 #define CMD_DESC_TOTAL_LENGTH_WRT(cmd_desc, var) \
214 ((cmd_desc)->length_tcp_hdr |= ((var) & 0x00FFFFFF))
215 #define CMD_DESC_TCP_HDR_OFFSET_WRT(cmd_desc, var) \
216 ((cmd_desc)->length_tcp_hdr |= (((var) << 24) & 0xFF000000))
217 #define CMD_DESC_PORT_WRT(cmd_desc, var) \
218 ((cmd_desc)->port_ctxid |= ((var) & 0x0F))
220 struct cmd_desc_type0 {
221 u64 netxen_next; /* for fragments handled by Phantom */
230 /* Bit pattern: 0-23 total length, 24-32 tcp header offset */
232 u8 ip_hdr_offset; /* For LSO only */
233 u8 num_of_buffers; /* total number of segments */
234 u8 flags; /* as defined above */
237 u16 reference_handle; /* changed to u16 to add mss */
238 u16 mss; /* passed by NDIS_PACKET for LSO */
239 /* Bit pattern 0-3 port, 0-3 ctx id */
241 u8 total_hdr_length; /* LSO only : MAC+IP+TCP Hdr size */
242 u16 conn_id; /* IPSec offoad only */
273 } __attribute__ ((aligned(64)));
275 /* Note: sizeof(rcv_desc) should always be a mutliple of 2 */
277 u16 reference_handle;
279 u32 buffer_length; /* allocated buffer length (usually 2K) */
283 /* opcode field in status_desc */
284 #define RCV_NIC_PKT (0xA)
285 #define STATUS_NIC_PKT ((RCV_NIC_PKT) << 12)
287 /* for status field in status_desc */
288 #define STATUS_NEED_CKSUM (1)
289 #define STATUS_CKSUM_OK (2)
291 /* owner bits of status_desc */
292 #define STATUS_OWNER_HOST (0x1)
293 #define STATUS_OWNER_PHANTOM (0x2)
295 #define NETXEN_PROT_IP (1)
296 #define NETXEN_PROT_UNKNOWN (0)
298 /* Note: sizeof(status_desc) should always be a mutliple of 2 */
299 #define STATUS_DESC_PORT(status_desc) \
300 ((status_desc)->port_status_type_op & 0x0F)
301 #define STATUS_DESC_STATUS(status_desc) \
302 (((status_desc)->port_status_type_op >> 4) & 0x0F)
303 #define STATUS_DESC_TYPE(status_desc) \
304 (((status_desc)->port_status_type_op >> 8) & 0x0F)
305 #define STATUS_DESC_OPCODE(status_desc) \
306 (((status_desc)->port_status_type_op >> 12) & 0x0F)
309 /* Bit pattern: 0-3 port, 4-7 status, 8-11 type, 12-15 opcode */
310 u16 port_status_type_op;
311 u16 total_length; /* NIC mode */
312 u16 reference_handle; /* handle for the associated packet */
313 /* Bit pattern: 0-1 owner, 2-5 protocol */
314 u16 owner; /* Owner of the descriptor */
315 } __attribute__ ((aligned(8)));
318 NETXEN_RCV_PEG_0 = 0,
321 /* The version of the main data structure */
322 #define NETXEN_BDINFO_VERSION 1
324 /* Magic number to let user know flash is programmed */
325 #define NETXEN_BDINFO_MAGIC 0x12345678
327 /* Max number of Gig ports on a Phantom board */
328 #define NETXEN_MAX_PORTS 4
331 NETXEN_BRDTYPE_P1_BD = 0x0000,
332 NETXEN_BRDTYPE_P1_SB = 0x0001,
333 NETXEN_BRDTYPE_P1_SMAX = 0x0002,
334 NETXEN_BRDTYPE_P1_SOCK = 0x0003,
336 NETXEN_BRDTYPE_P2_SOCK_31 = 0x0008,
337 NETXEN_BRDTYPE_P2_SOCK_35 = 0x0009,
338 NETXEN_BRDTYPE_P2_SB35_4G = 0x000a,
339 NETXEN_BRDTYPE_P2_SB31_10G = 0x000b,
340 NETXEN_BRDTYPE_P2_SB31_2G = 0x000c,
342 NETXEN_BRDTYPE_P2_SB31_10G_IMEZ = 0x000d,
343 NETXEN_BRDTYPE_P2_SB31_10G_HMEZ = 0x000e,
344 NETXEN_BRDTYPE_P2_SB31_10G_CX4 = 0x000f
348 NETXEN_BRDMFG_INVENTEC = 1
352 MEM_ORG_128Mbx4 = 0x0, /* DDR1 only */
353 MEM_ORG_128Mbx8 = 0x1, /* DDR1 only */
354 MEM_ORG_128Mbx16 = 0x2, /* DDR1 only */
355 MEM_ORG_256Mbx4 = 0x3,
356 MEM_ORG_256Mbx8 = 0x4,
357 MEM_ORG_256Mbx16 = 0x5,
358 MEM_ORG_512Mbx4 = 0x6,
359 MEM_ORG_512Mbx8 = 0x7,
360 MEM_ORG_512Mbx16 = 0x8,
363 MEM_ORG_1Gbx16 = 0xb,
366 MEM_ORG_2Gbx16 = 0xe,
367 MEM_ORG_128Mbx32 = 0x10002, /* GDDR only */
368 MEM_ORG_256Mbx32 = 0x10005 /* GDDR only */
369 } netxen_mn_mem_org_t;
372 MEM_ORG_512Kx36 = 0x0,
375 } netxen_sn_mem_org_t;
380 MEM_DEPTH_16MB = 0x3,
381 MEM_DEPTH_32MB = 0x4,
382 MEM_DEPTH_64MB = 0x5,
383 MEM_DEPTH_128MB = 0x6,
384 MEM_DEPTH_256MB = 0x7,
385 MEM_DEPTH_512MB = 0x8,
390 MEM_DEPTH_16GB = 0xd,
392 } netxen_mem_depth_t;
394 struct netxen_board_info {
406 u32 port_mask; /* available niu ports */
407 u32 peg_mask; /* available pegs */
408 u32 icache_ok; /* can we run with icache? */
409 u32 dcache_ok; /* can we run with dcache? */
417 /* MN-related config */
418 u32 mn_sync_mode; /* enable/ sync shift cclk/ sync shift mclk */
419 u32 mn_sync_shift_cclk;
420 u32 mn_sync_shift_mclk;
422 u32 mn_crystal_freq; /* in MHz */
423 u32 mn_speed; /* in MHz */
426 u32 mn_ranks_0; /* ranks per slot */
427 u32 mn_ranks_1; /* ranks per slot */
438 u32 mn_mode_reg; /* MIU DDR Mode Register */
439 u32 mn_ext_mode_reg; /* MIU DDR Extended Mode Register */
440 u32 mn_timing_0; /* MIU Memory Control Timing Rgister */
441 u32 mn_timing_1; /* MIU Extended Memory Ctrl Timing Register */
442 u32 mn_timing_2; /* MIU Extended Memory Ctrl Timing2 Register */
444 /* SN-related config */
445 u32 sn_sync_mode; /* enable/ sync shift cclk / sync shift mclk */
446 u32 sn_pt_mode; /* pass through mode */
461 u32 magic; /* indicates flash has been initialized */
468 #define FLASH_NUM_PORTS (4)
470 struct netxen_flash_mac_addr {
474 struct netxen_user_old_info {
486 /* primary image status */
488 u32 secondary_present;
490 /* MAC address , 4 ports */
491 struct netxen_flash_mac_addr mac_addr[FLASH_NUM_PORTS];
493 #define FLASH_NUM_MAC_PER_PORT 32
494 struct netxen_user_info {
495 u8 flash_md5[16 * 64];
502 /* primary image status */
504 u32 secondary_present;
506 /* MAC address , 4 ports, 32 address per port */
507 u64 mac_addr[FLASH_NUM_PORTS * FLASH_NUM_MAC_PER_PORT];
511 /* Any user defined data */
515 * Flash Layout - new format.
517 struct netxen_new_user_info {
518 u8 flash_md5[16 * 64];
525 /* primary image status */
527 u32 secondary_present;
529 /* MAC address , 4 ports, 32 address per port */
530 u64 mac_addr[FLASH_NUM_PORTS * FLASH_NUM_MAC_PER_PORT];
534 /* Any user defined data */
537 #define SECONDARY_IMAGE_PRESENT 0xb3b4b5b6
538 #define SECONDARY_IMAGE_ABSENT 0xffffffff
539 #define PRIMARY_IMAGE_GOOD 0x5a5a5a5a
540 #define PRIMARY_IMAGE_BAD 0xffffffff
542 /* Flash memory map */
544 CRBINIT_START = 0, /* Crbinit section */
545 BRDCFG_START = 0x4000, /* board config */
546 INITCODE_START = 0x6000, /* pegtune code */
547 BOOTLD_START = 0x10000, /* bootld */
548 IMAGE_START = 0x43000, /* compressed image */
549 SECONDARY_START = 0x200000, /* backup images */
550 PXE_START = 0x3E0000, /* user defined region */
551 USER_START = 0x3E8000, /* User defined region for new boards */
552 FIXED_START = 0x3F0000 /* backup of crbinit */
553 } netxen_flash_map_t;
555 #define USER_START_OLD PXE_START /* for backward compatibility */
557 #define FLASH_START (CRBINIT_START)
558 #define INIT_SECTOR (0)
559 #define PRIMARY_START (BOOTLD_START)
560 #define FLASH_CRBINIT_SIZE (0x4000)
561 #define FLASH_BRDCFG_SIZE (sizeof(struct netxen_board_info))
562 #define FLASH_USER_SIZE (sizeof(netxen_user_info)/sizeof(u32))
563 #define FLASH_SECONDARY_SIZE (USER_START-SECONDARY_START)
564 #define NUM_PRIMARY_SECTORS (0x20)
565 #define NUM_CONFIG_SECTORS (1)
566 #define PFX "netxen: "
568 /* Note: Make sure to not call this before adapter->port is valid */
569 #if !defined(NETXEN_DEBUG)
570 #define DPRINTK(klevel, fmt, args...) do { \
573 #define DPRINTK(klevel, fmt, args...) do { \
574 printk(KERN_##klevel PFX "%s: %s: " fmt, __FUNCTION__,\
575 (adapter != NULL && adapter->port != NULL && \
576 adapter->port[0] != NULL && \
577 adapter->port[0]->netdev != NULL) ? \
578 adapter->port[0]->netdev->name : NULL, \
582 /* Number of status descriptors to handle per interrupt */
583 #define MAX_STATUS_HANDLE (128)
586 * netxen_skb_frag{} is to contain mapping info for each SG list. This
587 * has to be freed when DMA is complete. This is part of netxen_tx_buffer{}.
589 struct netxen_skb_frag {
594 /* Following defines are for the state of the buffers */
595 #define NETXEN_BUFFER_FREE 0
596 #define NETXEN_BUFFER_BUSY 1
599 * There will be one netxen_buffer per skb packet. These will be
600 * used to save the dma info for pci_unmap_page()
602 struct netxen_cmd_buffer {
604 struct netxen_skb_frag frag_array[MAX_BUFFERS_PER_CMD + 1];
610 unsigned long time_stamp;
612 u32 no_of_descriptors;
615 /* In rx_buffer, we do not need multiple fragments as is a single buffer */
616 struct netxen_rx_buffer {
624 #define NETXEN_NIC_GBE 0x01
625 #define NETXEN_NIC_XGBE 0x02
628 * One hardware_context{} per adapter
629 * contains interrupt info as well shared hardware info.
631 struct netxen_hardware_context {
632 struct pci_dev *pdev;
633 void __iomem *pci_base0;
634 void __iomem *pci_base1;
635 void __iomem *pci_base2;
640 struct netxen_board_info boardcfg;
643 /* Address of cmd ring in Phantom */
644 struct cmd_desc_type0 *cmd_desc_head;
646 struct pci_dev *cmd_desc_pdev;
647 dma_addr_t cmd_desc_phys_addr;
648 dma_addr_t pause_physaddr;
649 struct pci_dev *pause_pdev;
650 struct netxen_adapter *adapter;
653 #define MINIMUM_ETHERNET_FRAME_SIZE 64 /* With FCS */
654 #define ETHERNET_FCS_SIZE 4
656 struct netxen_adapter_stats {
671 * Rcv Descriptor Context. One such per Rcv Descriptor. There may
672 * be one Rcv Descriptor for normal packets, one for jumbo and may be others.
674 struct netxen_rcv_desc_ctx {
677 u32 rcv_pending; /* Num of bufs posted in phantom */
678 u32 rcv_free; /* Num of bufs in free list */
679 dma_addr_t phys_addr;
680 struct pci_dev *phys_pdev;
681 struct rcv_desc *desc_head; /* address of rx ring in Phantom */
682 u32 max_rx_desc_count;
685 struct netxen_rx_buffer *rx_buf_arr; /* rx buffers for receive */
690 * Receive context. There is one such structure per instance of the
691 * receive processing. Any state information that is relevant to
692 * the receive, and is must be in this structure. The global data may be
695 struct netxen_recv_context {
696 struct netxen_rcv_desc_ctx rcv_desc[NUM_RCV_DESC_RINGS];
697 u32 status_rx_producer;
698 u32 status_rx_consumer;
699 dma_addr_t rcv_status_desc_phys_addr;
700 struct pci_dev *rcv_status_desc_pdev;
701 struct status_desc *rcv_status_desc_head;
704 #define NETXEN_NIC_MSI_ENABLED 0x02
706 struct netxen_drvops;
708 struct netxen_adapter {
709 struct netxen_hardware_context ahw;
710 int port_count; /* Number of configured ports */
711 int active_ports; /* Number of open ports */
712 struct netxen_port *port[NETXEN_MAX_PORTS]; /* ptr to each port */
715 struct work_struct watchdog_task;
716 struct work_struct tx_timeout_task;
717 struct net_device *netdev;
718 struct timer_list watchdog_timer;
725 u32 last_cmd_consumer;
726 u32 max_tx_desc_count;
727 u32 max_rx_desc_count;
728 u32 max_jumbo_rx_desc_count;
729 /* Num of instances active on cmd buffer ring */
730 u32 proc_cmd_buf_counter;
732 u32 num_threads, total_threads; /*Use to keep track of xmit threads */
739 struct netxen_adapter_stats stats;
741 struct netxen_cmd_buffer *cmd_buf_arr; /* Command buffers for xmit */
744 * Receive instances. These can be either one per port,
745 * or one per peg, etc.
747 struct netxen_recv_context recv_ctx[MAX_RCV_CTX];
751 struct netxen_drvops *ops;
752 }; /* netxen_adapter structure */
754 /* Max number of xmit producer threads that can run simultaneously */
755 #define MAX_XMIT_PRODUCERS 16
757 struct netxen_port_stats {
781 struct netxen_adapter *adapter;
783 u16 portnum; /* GBE port number */
790 struct net_device *netdev;
791 struct pci_dev *pdev;
792 struct net_device_stats net_stats;
793 struct netxen_port_stats stats;
796 #define PCI_OFFSET_FIRST_RANGE(adapter, off) \
797 ((adapter)->ahw.pci_base0 + (off))
798 #define PCI_OFFSET_SECOND_RANGE(adapter, off) \
799 ((adapter)->ahw.pci_base1 + (off) - SECOND_PAGE_GROUP_START)
800 #define PCI_OFFSET_THIRD_RANGE(adapter, off) \
801 ((adapter)->ahw.pci_base2 + (off) - THIRD_PAGE_GROUP_START)
803 static inline void __iomem *pci_base_offset(struct netxen_adapter *adapter,
806 if ((off < FIRST_PAGE_GROUP_END) && (off >= FIRST_PAGE_GROUP_START)) {
807 return (adapter->ahw.pci_base0 + off);
808 } else if ((off < SECOND_PAGE_GROUP_END) &&
809 (off >= SECOND_PAGE_GROUP_START)) {
810 return (adapter->ahw.pci_base1 + off - SECOND_PAGE_GROUP_START);
811 } else if ((off < THIRD_PAGE_GROUP_END) &&
812 (off >= THIRD_PAGE_GROUP_START)) {
813 return (adapter->ahw.pci_base2 + off - THIRD_PAGE_GROUP_START);
818 static inline void __iomem *pci_base(struct netxen_adapter *adapter,
821 if ((off < FIRST_PAGE_GROUP_END) && (off >= FIRST_PAGE_GROUP_START)) {
822 return adapter->ahw.pci_base0;
823 } else if ((off < SECOND_PAGE_GROUP_END) &&
824 (off >= SECOND_PAGE_GROUP_START)) {
825 return adapter->ahw.pci_base1;
826 } else if ((off < THIRD_PAGE_GROUP_END) &&
827 (off >= THIRD_PAGE_GROUP_START)) {
828 return adapter->ahw.pci_base2;
833 struct netxen_drvops {
834 int (*enable_phy_interrupts) (struct netxen_adapter *, int);
835 int (*disable_phy_interrupts) (struct netxen_adapter *, int);
836 void (*handle_phy_intr) (struct netxen_adapter *);
837 int (*macaddr_set) (struct netxen_port *, netxen_ethernet_macaddr_t);
838 int (*set_mtu) (struct netxen_port *, int);
839 int (*set_promisc) (struct netxen_adapter *, int,
840 netxen_niu_prom_mode_t);
841 int (*unset_promisc) (struct netxen_adapter *, int,
842 netxen_niu_prom_mode_t);
843 int (*phy_read) (struct netxen_adapter *, long phy, long reg, u32 *);
844 int (*phy_write) (struct netxen_adapter *, long phy, long reg, u32 val);
845 int (*init_port) (struct netxen_adapter *, int);
846 void (*init_niu) (struct netxen_adapter *);
847 int (*stop_port) (struct netxen_adapter *, int);
850 extern char netxen_nic_driver_name[];
852 int netxen_niu_xgbe_enable_phy_interrupts(struct netxen_adapter *adapter,
854 int netxen_niu_gbe_enable_phy_interrupts(struct netxen_adapter *adapter,
856 int netxen_niu_xgbe_disable_phy_interrupts(struct netxen_adapter *adapter,
858 int netxen_niu_gbe_disable_phy_interrupts(struct netxen_adapter *adapter,
860 int netxen_niu_xgbe_clear_phy_interrupts(struct netxen_adapter *adapter,
862 int netxen_niu_gbe_clear_phy_interrupts(struct netxen_adapter *adapter,
864 void netxen_nic_xgbe_handle_phy_intr(struct netxen_adapter *adapter);
865 void netxen_nic_gbe_handle_phy_intr(struct netxen_adapter *adapter);
866 void netxen_niu_gbe_set_mii_mode(struct netxen_adapter *adapter, int port,
868 void netxen_niu_gbe_set_gmii_mode(struct netxen_adapter *adapter, int port,
870 int netxen_niu_gbe_phy_read(struct netxen_adapter *adapter, long phy, long reg,
872 int netxen_niu_gbe_phy_write(struct netxen_adapter *adapter, long phy,
873 long reg, __le32 val);
875 /* Functions available from netxen_nic_hw.c */
876 int netxen_nic_set_mtu_xgb(struct netxen_port *port, int new_mtu);
877 int netxen_nic_set_mtu_gb(struct netxen_port *port, int new_mtu);
878 void netxen_nic_init_niu_gb(struct netxen_adapter *adapter);
879 void netxen_nic_pci_change_crbwindow(struct netxen_adapter *adapter, u32 wndw);
880 void netxen_nic_reg_write(struct netxen_adapter *adapter, u64 off, u32 val);
881 int netxen_nic_reg_read(struct netxen_adapter *adapter, u64 off);
882 void netxen_nic_write_w0(struct netxen_adapter *adapter, u32 index, u32 value);
883 void netxen_nic_read_w0(struct netxen_adapter *adapter, u32 index, u32 * value);
885 int netxen_nic_get_board_info(struct netxen_adapter *adapter);
886 int netxen_nic_hw_read_wx(struct netxen_adapter *adapter, u64 off, void *data,
888 int netxen_nic_hw_write_wx(struct netxen_adapter *adapter, u64 off, void *data,
890 void netxen_crb_writelit_adapter(struct netxen_adapter *adapter,
891 unsigned long off, int data);
893 /* Functions from netxen_nic_init.c */
894 void netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val);
895 void netxen_load_firmware(struct netxen_adapter *adapter);
896 int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose);
897 int netxen_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp);
898 int netxen_rom_fast_write(struct netxen_adapter *adapter, int addr, int data);
899 int netxen_rom_se(struct netxen_adapter *adapter, int addr);
900 int netxen_do_rom_se(struct netxen_adapter *adapter, int addr);
902 /* Functions from netxen_nic_isr.c */
903 void netxen_nic_isr_other(struct netxen_adapter *adapter);
904 void netxen_indicate_link_status(struct netxen_adapter *adapter, u32 port,
906 void netxen_handle_port_int(struct netxen_adapter *adapter, u32 port,
908 void netxen_nic_stop_all_ports(struct netxen_adapter *adapter);
909 void netxen_initialize_adapter_sw(struct netxen_adapter *adapter);
910 void netxen_initialize_adapter_hw(struct netxen_adapter *adapter);
911 void *netxen_alloc(struct pci_dev *pdev, size_t sz, dma_addr_t * ptr,
912 struct pci_dev **used_dev);
913 void netxen_initialize_adapter_ops(struct netxen_adapter *adapter);
914 int netxen_init_firmware(struct netxen_adapter *adapter);
915 void netxen_free_hw_resources(struct netxen_adapter *adapter);
916 void netxen_tso_check(struct netxen_adapter *adapter,
917 struct cmd_desc_type0 *desc, struct sk_buff *skb);
918 int netxen_nic_hw_resources(struct netxen_adapter *adapter);
919 void netxen_nic_clear_stats(struct netxen_adapter *adapter);
921 netxen_nic_do_ioctl(struct netxen_adapter *adapter, void *u_data,
922 struct netxen_port *port);
923 int netxen_nic_rx_has_work(struct netxen_adapter *adapter);
924 int netxen_nic_tx_has_work(struct netxen_adapter *adapter);
925 void netxen_watchdog_task(struct work_struct *work);
926 void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx,
928 void netxen_process_cmd_ring(unsigned long data);
929 u32 netxen_process_rcv_ring(struct netxen_adapter *adapter, int ctx, int max);
930 void netxen_nic_set_multi(struct net_device *netdev);
931 int netxen_nic_change_mtu(struct net_device *netdev, int new_mtu);
932 int netxen_nic_set_mac(struct net_device *netdev, void *p);
933 struct net_device_stats *netxen_nic_get_stats(struct net_device *netdev);
935 static inline void netxen_nic_disable_int(struct netxen_adapter *adapter)
938 * ISR_INT_MASK: Can be read from window 0 or 1.
940 writel(0x7ff, PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_MASK));
944 static inline void netxen_nic_enable_int(struct netxen_adapter *adapter)
948 switch (adapter->ahw.board_type) {
952 case NETXEN_NIC_XGBE:
960 writel(mask, PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_MASK));
962 if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) {
964 writel(mask, PCI_OFFSET_SECOND_RANGE(adapter,
965 ISR_INT_TARGET_MASK));
970 * NetXen Board information
973 #define NETXEN_MAX_SHORT_NAME 16
974 struct netxen_brdinfo {
975 netxen_brdtype_t brdtype; /* type of board */
976 long ports; /* max no of physical ports */
977 char short_name[NETXEN_MAX_SHORT_NAME];
980 static const struct netxen_brdinfo netxen_boards[] = {
981 {NETXEN_BRDTYPE_P2_SB31_10G_CX4, 1, "XGb CX4"},
982 {NETXEN_BRDTYPE_P2_SB31_10G_HMEZ, 1, "XGb HMEZ"},
983 {NETXEN_BRDTYPE_P2_SB31_10G_IMEZ, 2, "XGb IMEZ"},
984 {NETXEN_BRDTYPE_P2_SB31_10G, 1, "XGb XFP"},
985 {NETXEN_BRDTYPE_P2_SB35_4G, 4, "Quad Gb"},
986 {NETXEN_BRDTYPE_P2_SB31_2G, 2, "Dual Gb"},
989 #define NUM_SUPPORTED_BOARDS (sizeof(netxen_boards)/sizeof(struct netxen_brdinfo))
991 static inline void get_brd_port_by_type(u32 type, int *ports)
994 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
995 if (netxen_boards[i].brdtype == type) {
996 *ports = netxen_boards[i].ports;
1005 static inline void get_brd_name_by_type(u32 type, char *name)
1008 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
1009 if (netxen_boards[i].brdtype == type) {
1010 strcpy(name, netxen_boards[i].short_name);
1020 int netxen_is_flash_supported(struct netxen_adapter *adapter);
1021 int netxen_get_flash_mac_addr(struct netxen_adapter *adapter, u64 mac[]);
1023 extern void netxen_change_ringparam(struct netxen_adapter *adapter);
1024 extern int netxen_rom_fast_read(struct netxen_adapter *adapter, int addr,
1027 extern struct ethtool_ops netxen_nic_ethtool_ops;
1029 #endif /* __NETXEN_NIC_H_ */