2 * Copyright (C) 2003 - 2009 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:
27 * Cupertino, CA 95014-0701
31 #ifndef _NETXEN_NIC_H_
32 #define _NETXEN_NIC_H_
34 #include <linux/module.h>
35 #include <linux/kernel.h>
36 #include <linux/types.h>
37 #include <linux/ioport.h>
38 #include <linux/pci.h>
39 #include <linux/netdevice.h>
40 #include <linux/etherdevice.h>
43 #include <linux/tcp.h>
44 #include <linux/skbuff.h>
45 #include <linux/firmware.h>
47 #include <linux/ethtool.h>
48 #include <linux/mii.h>
49 #include <linux/timer.h>
51 #include <linux/vmalloc.h>
54 #include <asm/byteorder.h>
56 #include "netxen_nic_hw.h"
58 #define _NETXEN_NIC_LINUX_MAJOR 4
59 #define _NETXEN_NIC_LINUX_MINOR 0
60 #define _NETXEN_NIC_LINUX_SUBVERSION 30
61 #define NETXEN_NIC_LINUX_VERSIONID "4.0.30"
63 #define NETXEN_VERSION_CODE(a, b, c) (((a) << 24) + ((b) << 16) + (c))
64 #define _major(v) (((v) >> 24) & 0xff)
65 #define _minor(v) (((v) >> 16) & 0xff)
66 #define _build(v) ((v) & 0xffff)
68 /* version in image has weird encoding:
71 * 31:16 - build (little endian)
73 #define NETXEN_DECODE_VERSION(v) \
74 NETXEN_VERSION_CODE(((v) & 0xff), (((v) >> 8) & 0xff), ((v) >> 16))
76 #define NETXEN_NUM_FLASH_SECTORS (64)
77 #define NETXEN_FLASH_SECTOR_SIZE (64 * 1024)
78 #define NETXEN_FLASH_TOTAL_SIZE (NETXEN_NUM_FLASH_SECTORS \
79 * NETXEN_FLASH_SECTOR_SIZE)
81 #define PHAN_VENDOR_ID 0x4040
83 #define RCV_DESC_RINGSIZE(rds_ring) \
84 (sizeof(struct rcv_desc) * (rds_ring)->num_desc)
85 #define RCV_BUFF_RINGSIZE(rds_ring) \
86 (sizeof(struct netxen_rx_buffer) * rds_ring->num_desc)
87 #define STATUS_DESC_RINGSIZE(sds_ring) \
88 (sizeof(struct status_desc) * (sds_ring)->num_desc)
89 #define TX_BUFF_RINGSIZE(tx_ring) \
90 (sizeof(struct netxen_cmd_buffer) * tx_ring->num_desc)
91 #define TX_DESC_RINGSIZE(tx_ring) \
92 (sizeof(struct cmd_desc_type0) * tx_ring->num_desc)
94 #define find_diff_among(a,b,range) ((a)<(b)?((b)-(a)):((b)+(range)-(a)))
96 #define NETXEN_RCV_PRODUCER_OFFSET 0
97 #define NETXEN_RCV_PEG_DB_ID 2
98 #define NETXEN_HOST_DUMMY_DMA_SIZE 1024
99 #define FLASH_SUCCESS 0
101 #define ADDR_IN_WINDOW1(off) \
102 ((off > NETXEN_CRB_PCIX_HOST2) && (off < NETXEN_CRB_MAX)) ? 1 : 0
105 * normalize a 64MB crb address to 32MB PCI window
106 * To use NETXEN_CRB_NORMALIZE, window _must_ be set to 1
108 #define NETXEN_CRB_NORMAL(reg) \
109 ((reg) - NETXEN_CRB_PCIX_HOST2 + NETXEN_CRB_PCIX_HOST)
111 #define NETXEN_CRB_NORMALIZE(adapter, reg) \
112 pci_base_offset(adapter, NETXEN_CRB_NORMAL(reg))
114 #define DB_NORMALIZE(adapter, off) \
115 (adapter->ahw.db_base + (off))
117 #define NX_P2_C0 0x24
118 #define NX_P2_C1 0x25
119 #define NX_P3_A0 0x30
120 #define NX_P3_A2 0x30
121 #define NX_P3_B0 0x40
122 #define NX_P3_B1 0x41
123 #define NX_P3_B2 0x42
125 #define NX_IS_REVISION_P2(REVISION) (REVISION <= NX_P2_C1)
126 #define NX_IS_REVISION_P3(REVISION) (REVISION >= NX_P3_A0)
128 #define FIRST_PAGE_GROUP_START 0
129 #define FIRST_PAGE_GROUP_END 0x100000
131 #define SECOND_PAGE_GROUP_START 0x6000000
132 #define SECOND_PAGE_GROUP_END 0x68BC000
134 #define THIRD_PAGE_GROUP_START 0x70E4000
135 #define THIRD_PAGE_GROUP_END 0x8000000
137 #define FIRST_PAGE_GROUP_SIZE FIRST_PAGE_GROUP_END - FIRST_PAGE_GROUP_START
138 #define SECOND_PAGE_GROUP_SIZE SECOND_PAGE_GROUP_END - SECOND_PAGE_GROUP_START
139 #define THIRD_PAGE_GROUP_SIZE THIRD_PAGE_GROUP_END - THIRD_PAGE_GROUP_START
141 #define P2_MAX_MTU (8000)
142 #define P3_MAX_MTU (9600)
143 #define NX_ETHERMTU 1500
144 #define NX_MAX_ETHERHDR 32 /* This contains some padding */
146 #define NX_RX_NORMAL_BUF_MAX_LEN (NX_MAX_ETHERHDR + NX_ETHERMTU)
147 #define NX_P2_RX_JUMBO_BUF_MAX_LEN (NX_MAX_ETHERHDR + P2_MAX_MTU)
148 #define NX_P3_RX_JUMBO_BUF_MAX_LEN (NX_MAX_ETHERHDR + P3_MAX_MTU)
149 #define NX_CT_DEFAULT_RX_BUF_LEN 2048
151 #define MAX_RX_BUFFER_LENGTH 1760
152 #define MAX_RX_JUMBO_BUFFER_LENGTH 8062
153 #define MAX_RX_LRO_BUFFER_LENGTH (8062)
154 #define RX_DMA_MAP_LEN (MAX_RX_BUFFER_LENGTH - 2)
155 #define RX_JUMBO_DMA_MAP_LEN \
156 (MAX_RX_JUMBO_BUFFER_LENGTH - 2)
157 #define RX_LRO_DMA_MAP_LEN (MAX_RX_LRO_BUFFER_LENGTH - 2)
160 * Maximum number of ring contexts
162 #define MAX_RING_CTX 1
164 /* Opcodes to be used with the commands */
165 #define TX_ETHER_PKT 0x01
166 #define TX_TCP_PKT 0x02
167 #define TX_UDP_PKT 0x03
168 #define TX_IP_PKT 0x04
169 #define TX_TCP_LSO 0x05
170 #define TX_TCP_LSO6 0x06
171 #define TX_IPSEC 0x07
172 #define TX_IPSEC_CMD 0x0a
173 #define TX_TCPV6_PKT 0x0b
174 #define TX_UDPV6_PKT 0x0c
176 /* The following opcodes are for internal consumption. */
177 #define NETXEN_CONTROL_OP 0x10
178 #define PEGNET_REQUEST 0x11
180 #define MAX_NUM_CARDS 4
182 #define MAX_BUFFERS_PER_CMD 32
183 #define TX_STOP_THRESH ((MAX_SKB_FRAGS >> 2) + 4)
186 * Following are the states of the Phantom. Phantom will set them and
187 * Host will read to check if the fields are correct.
189 #define PHAN_INITIALIZE_START 0xff00
190 #define PHAN_INITIALIZE_FAILED 0xffff
191 #define PHAN_INITIALIZE_COMPLETE 0xff01
193 /* Host writes the following to notify that it has done the init-handshake */
194 #define PHAN_INITIALIZE_ACK 0xf00f
196 #define NUM_RCV_DESC_RINGS 3
197 #define NUM_STS_DESC_RINGS 4
199 #define RCV_RING_NORMAL 0
200 #define RCV_RING_JUMBO 1
201 #define RCV_RING_LRO 2
203 #define MAX_CMD_DESCRIPTORS 4096
204 #define MAX_RCV_DESCRIPTORS 16384
205 #define MAX_CMD_DESCRIPTORS_HOST 1024
206 #define MAX_RCV_DESCRIPTORS_1G 2048
207 #define MAX_RCV_DESCRIPTORS_10G 4096
208 #define MAX_JUMBO_RCV_DESCRIPTORS 1024
209 #define MAX_LRO_RCV_DESCRIPTORS 8
210 #define NETXEN_CTX_SIGNATURE 0xdee0
211 #define NETXEN_CTX_SIGNATURE_V2 0x0002dee0
212 #define NETXEN_CTX_RESET 0xbad0
213 #define NETXEN_RCV_PRODUCER(ringid) (ringid)
215 #define PHAN_PEG_RCV_INITIALIZED 0xff01
216 #define PHAN_PEG_RCV_START_INITIALIZE 0xff00
218 #define get_next_index(index, length) \
219 (((index) + 1) & ((length) - 1))
221 #define get_index_range(index,length,count) \
222 (((index) + (count)) & ((length) - 1))
224 #define MPORT_SINGLE_FUNCTION_MODE 0x1111
225 #define MPORT_MULTI_FUNCTION_MODE 0x2222
227 #include "netxen_nic_phan_reg.h"
230 * NetXen host-peg signal message structure
232 * Bit 0-1 : peg_id => 0x2 for tx and 01 for rx
233 * Bit 2 : priv_id => must be 1
234 * Bit 3-17 : count => for doorbell
235 * Bit 18-27 : ctx_id => Context id
239 typedef u32 netxen_ctx_msg;
241 #define netxen_set_msg_peg_id(config_word, val) \
242 ((config_word) &= ~3, (config_word) |= val & 3)
243 #define netxen_set_msg_privid(config_word) \
244 ((config_word) |= 1 << 2)
245 #define netxen_set_msg_count(config_word, val) \
246 ((config_word) &= ~(0x7fff<<3), (config_word) |= (val & 0x7fff) << 3)
247 #define netxen_set_msg_ctxid(config_word, val) \
248 ((config_word) &= ~(0x3ff<<18), (config_word) |= (val & 0x3ff) << 18)
249 #define netxen_set_msg_opcode(config_word, val) \
250 ((config_word) &= ~(0xf<<28), (config_word) |= (val & 0xf) << 28)
252 struct netxen_rcv_ring {
258 struct netxen_sts_ring {
265 struct netxen_ring_ctx {
267 /* one command ring */
268 __le64 cmd_consumer_offset;
269 __le64 cmd_ring_addr;
270 __le32 cmd_ring_size;
273 /* three receive rings */
274 struct netxen_rcv_ring rcv_rings[NUM_RCV_DESC_RINGS];
276 __le64 sts_ring_addr;
277 __le32 sts_ring_size;
282 __le32 sts_ring_count;
284 struct netxen_sts_ring sts_rings[NUM_STS_DESC_RINGS];
286 } __attribute__ ((aligned(64)));
289 * Following data structures describe the descriptors that will be used.
290 * Added fileds of tcpHdrSize and ipHdrSize, The driver needs to do it only when
291 * we are doing LSO (above the 1500 size packet) only.
295 * The size of reference handle been changed to 16 bits to pass the MSS fields
299 #define FLAGS_CHECKSUM_ENABLED 0x01
300 #define FLAGS_LSO_ENABLED 0x02
301 #define FLAGS_IPSEC_SA_ADD 0x04
302 #define FLAGS_IPSEC_SA_DELETE 0x08
303 #define FLAGS_VLAN_TAGGED 0x10
305 #define netxen_set_cmd_desc_port(cmd_desc, var) \
306 ((cmd_desc)->port_ctxid |= ((var) & 0x0F))
307 #define netxen_set_cmd_desc_ctxid(cmd_desc, var) \
308 ((cmd_desc)->port_ctxid |= ((var) << 4 & 0xF0))
310 #define netxen_set_tx_port(_desc, _port) \
311 (_desc)->port_ctxid = ((_port) & 0xf) | (((_port) << 4) & 0xf0)
313 #define netxen_set_tx_flags_opcode(_desc, _flags, _opcode) \
314 (_desc)->flags_opcode = \
315 cpu_to_le16(((_flags) & 0x7f) | (((_opcode) & 0x3f) << 7))
317 #define netxen_set_tx_frags_len(_desc, _frags, _len) \
318 (_desc)->num_of_buffers_total_length = \
319 cpu_to_le32(((_frags) & 0xff) | (((_len) & 0xffffff) << 8))
321 struct cmd_desc_type0 {
322 u8 tcp_hdr_offset; /* For LSO only */
323 u8 ip_hdr_offset; /* For LSO only */
324 /* Bit pattern: 0-6 flags, 7-12 opcode, 13-15 unused */
326 /* Bit pattern: 0-7 total number of segments,
327 8-31 Total size of the packet */
328 __le32 num_of_buffers_total_length;
331 __le32 addr_low_part2;
332 __le32 addr_high_part2;
337 __le16 reference_handle; /* changed to u16 to add mss */
338 __le16 mss; /* passed by NDIS_PACKET for LSO */
339 /* Bit pattern 0-3 port, 0-3 ctx id */
341 u8 total_hdr_length; /* LSO only : MAC+IP+TCP Hdr size */
342 __le16 conn_id; /* IPSec offoad only */
346 __le32 addr_low_part3;
347 __le32 addr_high_part3;
353 __le32 addr_low_part1;
354 __le32 addr_high_part1;
359 __le16 buffer_length[4];
363 __le32 addr_low_part4;
364 __le32 addr_high_part4;
371 } __attribute__ ((aligned(64)));
373 /* Note: sizeof(rcv_desc) should always be a mutliple of 2 */
375 __le16 reference_handle;
377 __le32 buffer_length; /* allocated buffer length (usually 2K) */
381 /* opcode field in status_desc */
382 #define NETXEN_NIC_RXPKT_DESC 0x04
383 #define NETXEN_OLD_RXPKT_DESC 0x3f
384 #define NETXEN_NIC_RESPONSE_DESC 0x05
386 /* for status field in status_desc */
387 #define STATUS_NEED_CKSUM (1)
388 #define STATUS_CKSUM_OK (2)
390 /* owner bits of status_desc */
391 #define STATUS_OWNER_HOST (0x1ULL << 56)
392 #define STATUS_OWNER_PHANTOM (0x2ULL << 56)
394 /* Status descriptor:
395 0-3 port, 4-7 status, 8-11 type, 12-27 total_length
396 28-43 reference_handle, 44-47 protocol, 48-52 pkt_offset
397 53-55 desc_cnt, 56-57 owner, 58-63 opcode
399 #define netxen_get_sts_port(sts_data) \
401 #define netxen_get_sts_status(sts_data) \
402 (((sts_data) >> 4) & 0x0F)
403 #define netxen_get_sts_type(sts_data) \
404 (((sts_data) >> 8) & 0x0F)
405 #define netxen_get_sts_totallength(sts_data) \
406 (((sts_data) >> 12) & 0xFFFF)
407 #define netxen_get_sts_refhandle(sts_data) \
408 (((sts_data) >> 28) & 0xFFFF)
409 #define netxen_get_sts_prot(sts_data) \
410 (((sts_data) >> 44) & 0x0F)
411 #define netxen_get_sts_pkt_offset(sts_data) \
412 (((sts_data) >> 48) & 0x1F)
413 #define netxen_get_sts_desc_cnt(sts_data) \
414 (((sts_data) >> 53) & 0x7)
415 #define netxen_get_sts_opcode(sts_data) \
416 (((sts_data) >> 58) & 0x03F)
419 __le64 status_desc_data[2];
420 } __attribute__ ((aligned(16)));
422 /* The version of the main data structure */
423 #define NETXEN_BDINFO_VERSION 1
425 /* Magic number to let user know flash is programmed */
426 #define NETXEN_BDINFO_MAGIC 0x12345678
428 /* Max number of Gig ports on a Phantom board */
429 #define NETXEN_MAX_PORTS 4
431 #define NETXEN_BRDTYPE_P1_BD 0x0000
432 #define NETXEN_BRDTYPE_P1_SB 0x0001
433 #define NETXEN_BRDTYPE_P1_SMAX 0x0002
434 #define NETXEN_BRDTYPE_P1_SOCK 0x0003
436 #define NETXEN_BRDTYPE_P2_SOCK_31 0x0008
437 #define NETXEN_BRDTYPE_P2_SOCK_35 0x0009
438 #define NETXEN_BRDTYPE_P2_SB35_4G 0x000a
439 #define NETXEN_BRDTYPE_P2_SB31_10G 0x000b
440 #define NETXEN_BRDTYPE_P2_SB31_2G 0x000c
442 #define NETXEN_BRDTYPE_P2_SB31_10G_IMEZ 0x000d
443 #define NETXEN_BRDTYPE_P2_SB31_10G_HMEZ 0x000e
444 #define NETXEN_BRDTYPE_P2_SB31_10G_CX4 0x000f
446 #define NETXEN_BRDTYPE_P3_REF_QG 0x0021
447 #define NETXEN_BRDTYPE_P3_HMEZ 0x0022
448 #define NETXEN_BRDTYPE_P3_10G_CX4_LP 0x0023
449 #define NETXEN_BRDTYPE_P3_4_GB 0x0024
450 #define NETXEN_BRDTYPE_P3_IMEZ 0x0025
451 #define NETXEN_BRDTYPE_P3_10G_SFP_PLUS 0x0026
452 #define NETXEN_BRDTYPE_P3_10000_BASE_T 0x0027
453 #define NETXEN_BRDTYPE_P3_XG_LOM 0x0028
454 #define NETXEN_BRDTYPE_P3_4_GB_MM 0x0029
455 #define NETXEN_BRDTYPE_P3_10G_SFP_CT 0x002a
456 #define NETXEN_BRDTYPE_P3_10G_SFP_QT 0x002b
457 #define NETXEN_BRDTYPE_P3_10G_CX4 0x0031
458 #define NETXEN_BRDTYPE_P3_10G_XFP 0x0032
459 #define NETXEN_BRDTYPE_P3_10G_TP 0x0080
461 struct netxen_board_info {
473 u32 port_mask; /* available niu ports */
474 u32 peg_mask; /* available pegs */
475 u32 icache_ok; /* can we run with icache? */
476 u32 dcache_ok; /* can we run with dcache? */
484 /* MN-related config */
485 u32 mn_sync_mode; /* enable/ sync shift cclk/ sync shift mclk */
486 u32 mn_sync_shift_cclk;
487 u32 mn_sync_shift_mclk;
489 u32 mn_crystal_freq; /* in MHz */
490 u32 mn_speed; /* in MHz */
493 u32 mn_ranks_0; /* ranks per slot */
494 u32 mn_ranks_1; /* ranks per slot */
505 u32 mn_mode_reg; /* MIU DDR Mode Register */
506 u32 mn_ext_mode_reg; /* MIU DDR Extended Mode Register */
507 u32 mn_timing_0; /* MIU Memory Control Timing Rgister */
508 u32 mn_timing_1; /* MIU Extended Memory Ctrl Timing Register */
509 u32 mn_timing_2; /* MIU Extended Memory Ctrl Timing2 Register */
511 /* SN-related config */
512 u32 sn_sync_mode; /* enable/ sync shift cclk / sync shift mclk */
513 u32 sn_pt_mode; /* pass through mode */
528 u32 magic; /* indicates flash has been initialized */
535 #define FLASH_NUM_PORTS (4)
537 struct netxen_flash_mac_addr {
541 struct netxen_user_old_info {
553 /* primary image status */
555 u32 secondary_present;
557 /* MAC address , 4 ports */
558 struct netxen_flash_mac_addr mac_addr[FLASH_NUM_PORTS];
560 #define FLASH_NUM_MAC_PER_PORT 32
561 struct netxen_user_info {
562 u8 flash_md5[16 * 64];
569 /* primary image status */
571 u32 secondary_present;
573 /* MAC address , 4 ports, 32 address per port */
574 u64 mac_addr[FLASH_NUM_PORTS * FLASH_NUM_MAC_PER_PORT];
578 /* Any user defined data */
582 * Flash Layout - new format.
584 struct netxen_new_user_info {
585 u8 flash_md5[16 * 64];
592 /* primary image status */
594 u32 secondary_present;
596 /* MAC address , 4 ports, 32 address per port */
597 u64 mac_addr[FLASH_NUM_PORTS * FLASH_NUM_MAC_PER_PORT];
601 /* Any user defined data */
604 #define SECONDARY_IMAGE_PRESENT 0xb3b4b5b6
605 #define SECONDARY_IMAGE_ABSENT 0xffffffff
606 #define PRIMARY_IMAGE_GOOD 0x5a5a5a5a
607 #define PRIMARY_IMAGE_BAD 0xffffffff
609 /* Flash memory map */
610 #define NETXEN_CRBINIT_START 0 /* crbinit section */
611 #define NETXEN_BRDCFG_START 0x4000 /* board config */
612 #define NETXEN_INITCODE_START 0x6000 /* pegtune code */
613 #define NETXEN_BOOTLD_START 0x10000 /* bootld */
614 #define NETXEN_IMAGE_START 0x43000 /* compressed image */
615 #define NETXEN_SECONDARY_START 0x200000 /* backup images */
616 #define NETXEN_PXE_START 0x3E0000 /* PXE boot rom */
617 #define NETXEN_USER_START 0x3E8000 /* Firmare info */
618 #define NETXEN_FIXED_START 0x3F0000 /* backup of crbinit */
620 #define NX_FW_VERSION_OFFSET (NETXEN_USER_START+0x408)
621 #define NX_FW_SIZE_OFFSET (NETXEN_USER_START+0x40c)
622 #define NX_BIOS_VERSION_OFFSET (NETXEN_USER_START+0x83c)
623 #define NX_FW_MAGIC_OFFSET (NETXEN_BRDCFG_START+0x128)
624 #define NX_FW_MIN_SIZE (0x3fffff)
625 #define NX_P2_MN_ROMIMAGE 0
626 #define NX_P3_CT_ROMIMAGE 1
627 #define NX_P3_MN_ROMIMAGE 2
628 #define NX_FLASH_ROMIMAGE 3
630 #define NETXEN_USER_START_OLD NETXEN_PXE_START /* for backward compatibility */
632 #define NETXEN_FLASH_START (NETXEN_CRBINIT_START)
633 #define NETXEN_INIT_SECTOR (0)
634 #define NETXEN_PRIMARY_START (NETXEN_BOOTLD_START)
635 #define NETXEN_FLASH_CRBINIT_SIZE (0x4000)
636 #define NETXEN_FLASH_BRDCFG_SIZE (sizeof(struct netxen_board_info))
637 #define NETXEN_FLASH_USER_SIZE (sizeof(struct netxen_user_info)/sizeof(u32))
638 #define NETXEN_FLASH_SECONDARY_SIZE (NETXEN_USER_START-NETXEN_SECONDARY_START)
639 #define NETXEN_NUM_PRIMARY_SECTORS (0x20)
640 #define NETXEN_NUM_CONFIG_SECTORS (1)
641 extern char netxen_nic_driver_name[];
643 /* Number of status descriptors to handle per interrupt */
644 #define MAX_STATUS_HANDLE (64)
647 * netxen_skb_frag{} is to contain mapping info for each SG list. This
648 * has to be freed when DMA is complete. This is part of netxen_tx_buffer{}.
650 struct netxen_skb_frag {
655 #define _netxen_set_bits(config_word, start, bits, val) {\
656 unsigned long long __tmask = (((1ULL << (bits)) - 1) << (start));\
657 unsigned long long __tvalue = (val); \
658 (config_word) &= ~__tmask; \
659 (config_word) |= (((__tvalue) << (start)) & __tmask); \
662 #define _netxen_clear_bits(config_word, start, bits) {\
663 unsigned long long __tmask = (((1ULL << (bits)) - 1) << (start)); \
664 (config_word) &= ~__tmask; \
667 /* Following defines are for the state of the buffers */
668 #define NETXEN_BUFFER_FREE 0
669 #define NETXEN_BUFFER_BUSY 1
672 * There will be one netxen_buffer per skb packet. These will be
673 * used to save the dma info for pci_unmap_page()
675 struct netxen_cmd_buffer {
677 struct netxen_skb_frag frag_array[MAX_BUFFERS_PER_CMD + 1];
681 /* In rx_buffer, we do not need multiple fragments as is a single buffer */
682 struct netxen_rx_buffer {
683 struct list_head list;
691 #define NETXEN_NIC_GBE 0x01
692 #define NETXEN_NIC_XGBE 0x02
695 * One hardware_context{} per adapter
696 * contains interrupt info as well shared hardware info.
698 struct netxen_hardware_context {
699 void __iomem *pci_base0;
700 void __iomem *pci_base1;
701 void __iomem *pci_base2;
702 void __iomem *db_base;
703 unsigned long db_len;
704 unsigned long pci_len0;
708 unsigned long mn_win_crb;
709 unsigned long ms_win_crb;
719 #define MINIMUM_ETHERNET_FRAME_SIZE 64 /* With FCS */
720 #define ETHERNET_FCS_SIZE 4
722 struct netxen_adapter_stats {
734 * Rcv Descriptor Context. One such per Rcv Descriptor. There may
735 * be one Rcv Descriptor for normal packets, one for jumbo and may be others.
737 struct nx_host_rds_ring {
739 u32 crb_rcv_producer;
744 struct rcv_desc *desc_head;
745 struct netxen_rx_buffer *rx_buf_arr;
746 struct list_head free_list;
748 dma_addr_t phys_addr;
751 struct nx_host_sds_ring {
753 u32 crb_sts_consumer;
757 struct status_desc *desc_head;
758 struct netxen_adapter *adapter;
759 struct napi_struct napi;
760 struct list_head free_list[NUM_RCV_DESC_RINGS];
764 dma_addr_t phys_addr;
765 char name[IFNAMSIZ+4];
768 struct nx_host_tx_ring {
772 u32 crb_cmd_producer;
773 u32 crb_cmd_consumer;
776 struct netxen_cmd_buffer *cmd_buf_arr;
777 struct cmd_desc_type0 *desc_head;
778 dma_addr_t phys_addr;
782 * Receive context. There is one such structure per instance of the
783 * receive processing. Any state information that is relevant to
784 * the receive, and is must be in this structure. The global data may be
787 struct netxen_recv_context {
792 struct nx_host_rds_ring *rds_rings;
793 struct nx_host_sds_ring *sds_rings;
795 struct netxen_ring_ctx *hwctx;
796 dma_addr_t phys_addr;
799 /* New HW context creation */
801 #define NX_OS_CRB_RETRY_COUNT 4000
802 #define NX_CDRP_SIGNATURE_MAKE(pcifn, version) \
803 (((pcifn) & 0xff) | (((version) & 0xff) << 8) | (0xcafe << 16))
805 #define NX_CDRP_CLEAR 0x00000000
806 #define NX_CDRP_CMD_BIT 0x80000000
809 * All responses must have the NX_CDRP_CMD_BIT cleared
810 * in the crb NX_CDRP_CRB_OFFSET.
812 #define NX_CDRP_FORM_RSP(rsp) (rsp)
813 #define NX_CDRP_IS_RSP(rsp) (((rsp) & NX_CDRP_CMD_BIT) == 0)
815 #define NX_CDRP_RSP_OK 0x00000001
816 #define NX_CDRP_RSP_FAIL 0x00000002
817 #define NX_CDRP_RSP_TIMEOUT 0x00000003
820 * All commands must have the NX_CDRP_CMD_BIT set in
821 * the crb NX_CDRP_CRB_OFFSET.
823 #define NX_CDRP_FORM_CMD(cmd) (NX_CDRP_CMD_BIT | (cmd))
824 #define NX_CDRP_IS_CMD(cmd) (((cmd) & NX_CDRP_CMD_BIT) != 0)
826 #define NX_CDRP_CMD_SUBMIT_CAPABILITIES 0x00000001
827 #define NX_CDRP_CMD_READ_MAX_RDS_PER_CTX 0x00000002
828 #define NX_CDRP_CMD_READ_MAX_SDS_PER_CTX 0x00000003
829 #define NX_CDRP_CMD_READ_MAX_RULES_PER_CTX 0x00000004
830 #define NX_CDRP_CMD_READ_MAX_RX_CTX 0x00000005
831 #define NX_CDRP_CMD_READ_MAX_TX_CTX 0x00000006
832 #define NX_CDRP_CMD_CREATE_RX_CTX 0x00000007
833 #define NX_CDRP_CMD_DESTROY_RX_CTX 0x00000008
834 #define NX_CDRP_CMD_CREATE_TX_CTX 0x00000009
835 #define NX_CDRP_CMD_DESTROY_TX_CTX 0x0000000a
836 #define NX_CDRP_CMD_SETUP_STATISTICS 0x0000000e
837 #define NX_CDRP_CMD_GET_STATISTICS 0x0000000f
838 #define NX_CDRP_CMD_DELETE_STATISTICS 0x00000010
839 #define NX_CDRP_CMD_SET_MTU 0x00000012
840 #define NX_CDRP_CMD_MAX 0x00000013
842 #define NX_RCODE_SUCCESS 0
843 #define NX_RCODE_NO_HOST_MEM 1
844 #define NX_RCODE_NO_HOST_RESOURCE 2
845 #define NX_RCODE_NO_CARD_CRB 3
846 #define NX_RCODE_NO_CARD_MEM 4
847 #define NX_RCODE_NO_CARD_RESOURCE 5
848 #define NX_RCODE_INVALID_ARGS 6
849 #define NX_RCODE_INVALID_ACTION 7
850 #define NX_RCODE_INVALID_STATE 8
851 #define NX_RCODE_NOT_SUPPORTED 9
852 #define NX_RCODE_NOT_PERMITTED 10
853 #define NX_RCODE_NOT_READY 11
854 #define NX_RCODE_DOES_NOT_EXIST 12
855 #define NX_RCODE_ALREADY_EXISTS 13
856 #define NX_RCODE_BAD_SIGNATURE 14
857 #define NX_RCODE_CMD_NOT_IMPL 15
858 #define NX_RCODE_CMD_INVALID 16
859 #define NX_RCODE_TIMEOUT 17
860 #define NX_RCODE_CMD_FAILED 18
861 #define NX_RCODE_MAX_EXCEEDED 19
862 #define NX_RCODE_MAX 20
864 #define NX_DESTROY_CTX_RESET 0
865 #define NX_DESTROY_CTX_D3_RESET 1
866 #define NX_DESTROY_CTX_MAX 2
871 #define NX_CAP_BIT(class, bit) (1 << bit)
872 #define NX_CAP0_LEGACY_CONTEXT NX_CAP_BIT(0, 0)
873 #define NX_CAP0_MULTI_CONTEXT NX_CAP_BIT(0, 1)
874 #define NX_CAP0_LEGACY_MN NX_CAP_BIT(0, 2)
875 #define NX_CAP0_LEGACY_MS NX_CAP_BIT(0, 3)
876 #define NX_CAP0_CUT_THROUGH NX_CAP_BIT(0, 4)
877 #define NX_CAP0_LRO NX_CAP_BIT(0, 5)
878 #define NX_CAP0_LSO NX_CAP_BIT(0, 6)
879 #define NX_CAP0_JUMBO_CONTIGUOUS NX_CAP_BIT(0, 7)
880 #define NX_CAP0_LRO_CONTIGUOUS NX_CAP_BIT(0, 8)
885 #define NX_HOST_CTX_STATE_FREED 0
886 #define NX_HOST_CTX_STATE_ALLOCATED 1
887 #define NX_HOST_CTX_STATE_ACTIVE 2
888 #define NX_HOST_CTX_STATE_DISABLED 3
889 #define NX_HOST_CTX_STATE_QUIESCED 4
890 #define NX_HOST_CTX_STATE_MAX 5
897 __le64 host_phys_addr; /* Ring base addr */
898 __le32 ring_size; /* Ring entries */
900 __le16 rsvd; /* Padding */
901 } nx_hostrq_sds_ring_t;
904 __le64 host_phys_addr; /* Ring base addr */
905 __le64 buff_size; /* Packet buffer size */
906 __le32 ring_size; /* Ring entries */
907 __le32 ring_kind; /* Class of ring */
908 } nx_hostrq_rds_ring_t;
911 __le64 host_rsp_dma_addr; /* Response dma'd here */
912 __le32 capabilities[4]; /* Flag bit vector */
913 __le32 host_int_crb_mode; /* Interrupt crb usage */
914 __le32 host_rds_crb_mode; /* RDS crb usage */
915 /* These ring offsets are relative to data[0] below */
916 __le32 rds_ring_offset; /* Offset to RDS config */
917 __le32 sds_ring_offset; /* Offset to SDS config */
918 __le16 num_rds_rings; /* Count of RDS rings */
919 __le16 num_sds_rings; /* Count of SDS rings */
920 __le16 rsvd1; /* Padding */
921 __le16 rsvd2; /* Padding */
922 u8 reserved[128]; /* reserve space for future expansion*/
923 /* MUST BE 64-bit aligned.
924 The following is packed:
926 - N hostrq_sds_rings */
928 } nx_hostrq_rx_ctx_t;
931 __le32 host_producer_crb; /* Crb to use */
932 __le32 rsvd1; /* Padding */
933 } nx_cardrsp_rds_ring_t;
936 __le32 host_consumer_crb; /* Crb to use */
937 __le32 interrupt_crb; /* Crb to use */
938 } nx_cardrsp_sds_ring_t;
941 /* These ring offsets are relative to data[0] below */
942 __le32 rds_ring_offset; /* Offset to RDS config */
943 __le32 sds_ring_offset; /* Offset to SDS config */
944 __le32 host_ctx_state; /* Starting State */
945 __le32 num_fn_per_port; /* How many PCI fn share the port */
946 __le16 num_rds_rings; /* Count of RDS rings */
947 __le16 num_sds_rings; /* Count of SDS rings */
948 __le16 context_id; /* Handle for context */
949 u8 phys_port; /* Physical id of port */
950 u8 virt_port; /* Virtual/Logical id of port */
951 u8 reserved[128]; /* save space for future expansion */
952 /* MUST BE 64-bit aligned.
953 The following is packed:
954 - N cardrsp_rds_rings
955 - N cardrs_sds_rings */
957 } nx_cardrsp_rx_ctx_t;
959 #define SIZEOF_HOSTRQ_RX(HOSTRQ_RX, rds_rings, sds_rings) \
960 (sizeof(HOSTRQ_RX) + \
961 (rds_rings)*(sizeof(nx_hostrq_rds_ring_t)) + \
962 (sds_rings)*(sizeof(nx_hostrq_sds_ring_t)))
964 #define SIZEOF_CARDRSP_RX(CARDRSP_RX, rds_rings, sds_rings) \
965 (sizeof(CARDRSP_RX) + \
966 (rds_rings)*(sizeof(nx_cardrsp_rds_ring_t)) + \
967 (sds_rings)*(sizeof(nx_cardrsp_sds_ring_t)))
974 __le64 host_phys_addr; /* Ring base addr */
975 __le32 ring_size; /* Ring entries */
976 __le32 rsvd; /* Padding */
977 } nx_hostrq_cds_ring_t;
980 __le64 host_rsp_dma_addr; /* Response dma'd here */
981 __le64 cmd_cons_dma_addr; /* */
982 __le64 dummy_dma_addr; /* */
983 __le32 capabilities[4]; /* Flag bit vector */
984 __le32 host_int_crb_mode; /* Interrupt crb usage */
985 __le32 rsvd1; /* Padding */
986 __le16 rsvd2; /* Padding */
987 __le16 interrupt_ctl;
989 __le16 rsvd3; /* Padding */
990 nx_hostrq_cds_ring_t cds_ring; /* Desc of cds ring */
991 u8 reserved[128]; /* future expansion */
992 } nx_hostrq_tx_ctx_t;
995 __le32 host_producer_crb; /* Crb to use */
996 __le32 interrupt_crb; /* Crb to use */
997 } nx_cardrsp_cds_ring_t;
1000 __le32 host_ctx_state; /* Starting state */
1001 __le16 context_id; /* Handle for context */
1002 u8 phys_port; /* Physical id of port */
1003 u8 virt_port; /* Virtual/Logical id of port */
1004 nx_cardrsp_cds_ring_t cds_ring; /* Card cds settings */
1005 u8 reserved[128]; /* future expansion */
1006 } nx_cardrsp_tx_ctx_t;
1008 #define SIZEOF_HOSTRQ_TX(HOSTRQ_TX) (sizeof(HOSTRQ_TX))
1009 #define SIZEOF_CARDRSP_TX(CARDRSP_TX) (sizeof(CARDRSP_TX))
1013 #define NX_HOST_RDS_CRB_MODE_UNIQUE 0
1014 #define NX_HOST_RDS_CRB_MODE_SHARED 1
1015 #define NX_HOST_RDS_CRB_MODE_CUSTOM 2
1016 #define NX_HOST_RDS_CRB_MODE_MAX 3
1018 #define NX_HOST_INT_CRB_MODE_UNIQUE 0
1019 #define NX_HOST_INT_CRB_MODE_SHARED 1
1020 #define NX_HOST_INT_CRB_MODE_NORX 2
1021 #define NX_HOST_INT_CRB_MODE_NOTX 3
1022 #define NX_HOST_INT_CRB_MODE_NORXTX 4
1027 #define MC_COUNT_P2 16
1028 #define MC_COUNT_P3 38
1030 #define NETXEN_MAC_NOOP 0
1031 #define NETXEN_MAC_ADD 1
1032 #define NETXEN_MAC_DEL 2
1034 typedef struct nx_mac_list_s {
1035 struct list_head list;
1036 uint8_t mac_addr[ETH_ALEN+2];
1040 * Interrupt coalescing defaults. The defaults are for 1500 MTU. It is
1041 * adjusted based on configured MTU.
1043 #define NETXEN_DEFAULT_INTR_COALESCE_RX_TIME_US 3
1044 #define NETXEN_DEFAULT_INTR_COALESCE_RX_PACKETS 256
1045 #define NETXEN_DEFAULT_INTR_COALESCE_TX_PACKETS 64
1046 #define NETXEN_DEFAULT_INTR_COALESCE_TX_TIME_US 4
1048 #define NETXEN_NIC_INTR_DEFAULT 0x04
1052 uint16_t rx_packets;
1053 uint16_t rx_time_us;
1054 uint16_t tx_packets;
1055 uint16_t tx_time_us;
1058 } nx_nic_intr_coalesce_data_t;
1061 uint16_t stats_time_us;
1062 uint16_t rate_sample_time;
1065 uint32_t low_threshold;
1066 uint32_t high_threshold;
1067 nx_nic_intr_coalesce_data_t normal;
1068 nx_nic_intr_coalesce_data_t low;
1069 nx_nic_intr_coalesce_data_t high;
1070 nx_nic_intr_coalesce_data_t irq;
1071 } nx_nic_intr_coalesce_t;
1073 #define NX_HOST_REQUEST 0x13
1074 #define NX_NIC_REQUEST 0x14
1076 #define NX_MAC_EVENT 0x1
1079 * Driver --> Firmware
1081 #define NX_NIC_H2C_OPCODE_START 0
1082 #define NX_NIC_H2C_OPCODE_CONFIG_RSS 1
1083 #define NX_NIC_H2C_OPCODE_CONFIG_RSS_TBL 2
1084 #define NX_NIC_H2C_OPCODE_CONFIG_INTR_COALESCE 3
1085 #define NX_NIC_H2C_OPCODE_CONFIG_LED 4
1086 #define NX_NIC_H2C_OPCODE_CONFIG_PROMISCUOUS 5
1087 #define NX_NIC_H2C_OPCODE_CONFIG_L2_MAC 6
1088 #define NX_NIC_H2C_OPCODE_LRO_REQUEST 7
1089 #define NX_NIC_H2C_OPCODE_GET_SNMP_STATS 8
1090 #define NX_NIC_H2C_OPCODE_PROXY_START_REQUEST 9
1091 #define NX_NIC_H2C_OPCODE_PROXY_STOP_REQUEST 10
1092 #define NX_NIC_H2C_OPCODE_PROXY_SET_MTU 11
1093 #define NX_NIC_H2C_OPCODE_PROXY_SET_VPORT_MISS_MODE 12
1094 #define NX_NIC_H2C_OPCODE_GET_FINGER_PRINT_REQUEST 13
1095 #define NX_NIC_H2C_OPCODE_INSTALL_LICENSE_REQUEST 14
1096 #define NX_NIC_H2C_OPCODE_GET_LICENSE_CAPABILITY_REQUEST 15
1097 #define NX_NIC_H2C_OPCODE_GET_NET_STATS 16
1098 #define NX_NIC_H2C_OPCODE_PROXY_UPDATE_P2V 17
1099 #define NX_NIC_H2C_OPCODE_CONFIG_IPADDR 18
1100 #define NX_NIC_H2C_OPCODE_CONFIG_LOOPBACK 19
1101 #define NX_NIC_H2C_OPCODE_PROXY_STOP_DONE 20
1102 #define NX_NIC_H2C_OPCODE_GET_LINKEVENT 21
1103 #define NX_NIC_C2C_OPCODE 22
1104 #define NX_NIC_H2C_OPCODE_LAST 23
1107 * Firmware --> Driver
1110 #define NX_NIC_C2H_OPCODE_START 128
1111 #define NX_NIC_C2H_OPCODE_CONFIG_RSS_RESPONSE 129
1112 #define NX_NIC_C2H_OPCODE_CONFIG_RSS_TBL_RESPONSE 130
1113 #define NX_NIC_C2H_OPCODE_CONFIG_MAC_RESPONSE 131
1114 #define NX_NIC_C2H_OPCODE_CONFIG_PROMISCUOUS_RESPONSE 132
1115 #define NX_NIC_C2H_OPCODE_CONFIG_L2_MAC_RESPONSE 133
1116 #define NX_NIC_C2H_OPCODE_LRO_DELETE_RESPONSE 134
1117 #define NX_NIC_C2H_OPCODE_LRO_ADD_FAILURE_RESPONSE 135
1118 #define NX_NIC_C2H_OPCODE_GET_SNMP_STATS 136
1119 #define NX_NIC_C2H_OPCODE_GET_FINGER_PRINT_REPLY 137
1120 #define NX_NIC_C2H_OPCODE_INSTALL_LICENSE_REPLY 138
1121 #define NX_NIC_C2H_OPCODE_GET_LICENSE_CAPABILITIES_REPLY 139
1122 #define NX_NIC_C2H_OPCODE_GET_NET_STATS_RESPONSE 140
1123 #define NX_NIC_C2H_OPCODE_GET_LINKEVENT_RESPONSE 141
1124 #define NX_NIC_C2H_OPCODE_LAST 142
1126 #define VPORT_MISS_MODE_DROP 0 /* drop all unmatched */
1127 #define VPORT_MISS_MODE_ACCEPT_ALL 1 /* accept all packets */
1128 #define VPORT_MISS_MODE_ACCEPT_MULTI 2 /* accept unmatched multicast */
1130 #define NX_FW_CAPABILITY_LINK_NOTIFICATION (1 << 5)
1131 #define NX_FW_CAPABILITY_SWITCHING (1 << 6)
1134 #define LINKEVENT_MODULE_NOT_PRESENT 1
1135 #define LINKEVENT_MODULE_OPTICAL_UNKNOWN 2
1136 #define LINKEVENT_MODULE_OPTICAL_SRLR 3
1137 #define LINKEVENT_MODULE_OPTICAL_LRM 4
1138 #define LINKEVENT_MODULE_OPTICAL_SFP_1G 5
1139 #define LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLE 6
1140 #define LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLELEN 7
1141 #define LINKEVENT_MODULE_TWINAX 8
1143 #define LINKSPEED_10GBPS 10000
1144 #define LINKSPEED_1GBPS 1000
1145 #define LINKSPEED_100MBPS 100
1146 #define LINKSPEED_10MBPS 10
1148 #define LINKSPEED_ENCODED_10MBPS 0
1149 #define LINKSPEED_ENCODED_100MBPS 1
1150 #define LINKSPEED_ENCODED_1GBPS 2
1152 #define LINKEVENT_AUTONEG_DISABLED 0
1153 #define LINKEVENT_AUTONEG_ENABLED 1
1155 #define LINKEVENT_HALF_DUPLEX 0
1156 #define LINKEVENT_FULL_DUPLEX 1
1158 #define LINKEVENT_LINKSPEED_MBPS 0
1159 #define LINKEVENT_LINKSPEED_ENCODED 1
1161 /* firmware response header:
1162 * 63:58 - message type
1164 * 55:53 - desc count
1166 * 47:40 - completion id
1168 * 31:16 - error code
1171 #define netxen_get_nic_msgtype(msg_hdr) \
1172 ((msg_hdr >> 58) & 0x3F)
1173 #define netxen_get_nic_msg_compid(msg_hdr) \
1174 ((msg_hdr >> 40) & 0xFF)
1175 #define netxen_get_nic_msg_opcode(msg_hdr) \
1176 ((msg_hdr >> 32) & 0xFF)
1177 #define netxen_get_nic_msg_errcode(msg_hdr) \
1178 ((msg_hdr >> 16) & 0xFFFF)
1202 #define MAX_PENDING_DESC_BLOCK_SIZE 64
1204 #define NETXEN_NIC_MSI_ENABLED 0x02
1205 #define NETXEN_NIC_MSIX_ENABLED 0x04
1206 #define NETXEN_IS_MSI_FAMILY(adapter) \
1207 ((adapter)->flags & (NETXEN_NIC_MSI_ENABLED | NETXEN_NIC_MSIX_ENABLED))
1209 #define MSIX_ENTRIES_PER_ADAPTER NUM_STS_DESC_RINGS
1210 #define NETXEN_MSIX_TBL_SPACE 8192
1211 #define NETXEN_PCI_REG_MSIX_TBL 0x44
1213 #define NETXEN_DB_MAPSIZE_BYTES 0x1000
1215 #define NETXEN_NETDEV_WEIGHT 128
1216 #define NETXEN_ADAPTER_UP_MAGIC 777
1217 #define NETXEN_NIC_PEG_TUNE 0
1219 struct netxen_dummy_dma {
1221 dma_addr_t phys_addr;
1224 struct netxen_adapter {
1225 struct netxen_hardware_context ahw;
1227 struct net_device *netdev;
1228 struct pci_dev *pdev;
1229 struct list_head mac_list;
1233 rwlock_t adapter_lock;
1235 spinlock_t tx_clean_lock;
1276 struct netxen_adapter_stats stats;
1278 struct netxen_recv_context recv_ctx;
1279 struct nx_host_tx_ring *tx_ring;
1281 int (*enable_phy_interrupts) (struct netxen_adapter *);
1282 int (*disable_phy_interrupts) (struct netxen_adapter *);
1283 int (*macaddr_set) (struct netxen_adapter *, u8 *);
1284 int (*set_mtu) (struct netxen_adapter *, int);
1285 int (*set_promisc) (struct netxen_adapter *, u32);
1286 void (*set_multi) (struct net_device *);
1287 int (*phy_read) (struct netxen_adapter *, long reg, u32 *);
1288 int (*phy_write) (struct netxen_adapter *, long reg, u32 val);
1289 int (*init_port) (struct netxen_adapter *, int);
1290 int (*stop_port) (struct netxen_adapter *);
1292 u32 (*hw_read_wx)(struct netxen_adapter *, ulong);
1293 int (*hw_write_wx)(struct netxen_adapter *, ulong, u32);
1294 int (*pci_mem_read)(struct netxen_adapter *, u64, void *, int);
1295 int (*pci_mem_write)(struct netxen_adapter *, u64, void *, int);
1296 int (*pci_write_immediate)(struct netxen_adapter *, u64, u32);
1297 u32 (*pci_read_immediate)(struct netxen_adapter *, u64);
1298 unsigned long (*pci_set_window)(struct netxen_adapter *,
1299 unsigned long long);
1301 struct netxen_legacy_intr_set legacy_intr;
1303 struct msix_entry msix_entries[MSIX_ENTRIES_PER_ADAPTER];
1305 struct netxen_dummy_dma dummy_dma;
1307 struct work_struct watchdog_task;
1308 struct timer_list watchdog_timer;
1309 struct work_struct tx_timeout_task;
1311 struct net_device_stats net_stats;
1313 nx_nic_intr_coalesce_t coal;
1317 const struct firmware *fw;
1321 * NetXen dma watchdog control structure
1323 * Bit 0 : enabled => R/O: 1 watchdog active, 0 inactive
1324 * Bit 1 : disable_request => 1 req disable dma watchdog
1325 * Bit 2 : enable_request => 1 req enable dma watchdog
1329 #define netxen_set_dma_watchdog_disable_req(config_word) \
1330 _netxen_set_bits(config_word, 1, 1, 1)
1331 #define netxen_set_dma_watchdog_enable_req(config_word) \
1332 _netxen_set_bits(config_word, 2, 1, 1)
1333 #define netxen_get_dma_watchdog_enabled(config_word) \
1334 ((config_word) & 0x1)
1335 #define netxen_get_dma_watchdog_disabled(config_word) \
1336 (((config_word) >> 1) & 0x1)
1338 int netxen_niu_xgbe_enable_phy_interrupts(struct netxen_adapter *adapter);
1339 int netxen_niu_gbe_enable_phy_interrupts(struct netxen_adapter *adapter);
1340 int netxen_niu_xgbe_disable_phy_interrupts(struct netxen_adapter *adapter);
1341 int netxen_niu_gbe_disable_phy_interrupts(struct netxen_adapter *adapter);
1342 int netxen_niu_gbe_phy_read(struct netxen_adapter *adapter, long reg,
1344 int netxen_niu_gbe_phy_write(struct netxen_adapter *adapter,
1345 long reg, __u32 val);
1347 /* Functions available from netxen_nic_hw.c */
1348 int netxen_nic_set_mtu_xgb(struct netxen_adapter *adapter, int new_mtu);
1349 int netxen_nic_set_mtu_gb(struct netxen_adapter *adapter, int new_mtu);
1351 int netxen_p2_nic_set_mac_addr(struct netxen_adapter *adapter, u8 *addr);
1352 int netxen_p3_nic_set_mac_addr(struct netxen_adapter *adapter, u8 *addr);
1354 #define NXRD32(adapter, off) \
1355 (adapter->hw_read_wx(adapter, off))
1356 #define NXWR32(adapter, off, val) \
1357 (adapter->hw_write_wx(adapter, off, val))
1359 int netxen_nic_get_board_info(struct netxen_adapter *adapter);
1360 void netxen_nic_get_firmware_info(struct netxen_adapter *adapter);
1361 int netxen_nic_wol_supported(struct netxen_adapter *adapter);
1363 u32 netxen_nic_hw_read_wx_128M(struct netxen_adapter *adapter, ulong off);
1364 int netxen_nic_hw_write_wx_128M(struct netxen_adapter *adapter,
1365 ulong off, u32 data);
1366 int netxen_nic_pci_mem_read_128M(struct netxen_adapter *adapter,
1367 u64 off, void *data, int size);
1368 int netxen_nic_pci_mem_write_128M(struct netxen_adapter *adapter,
1369 u64 off, void *data, int size);
1370 int netxen_nic_pci_write_immediate_128M(struct netxen_adapter *adapter,
1372 u32 netxen_nic_pci_read_immediate_128M(struct netxen_adapter *adapter, u64 off);
1373 void netxen_nic_pci_write_normalize_128M(struct netxen_adapter *adapter,
1375 u32 netxen_nic_pci_read_normalize_128M(struct netxen_adapter *adapter, u64 off);
1376 unsigned long netxen_nic_pci_set_window_128M(struct netxen_adapter *adapter,
1377 unsigned long long addr);
1378 void netxen_nic_pci_change_crbwindow_128M(struct netxen_adapter *adapter,
1381 u32 netxen_nic_hw_read_wx_2M(struct netxen_adapter *adapter, ulong off);
1382 int netxen_nic_hw_write_wx_2M(struct netxen_adapter *adapter,
1383 ulong off, u32 data);
1384 int netxen_nic_pci_mem_read_2M(struct netxen_adapter *adapter,
1385 u64 off, void *data, int size);
1386 int netxen_nic_pci_mem_write_2M(struct netxen_adapter *adapter,
1387 u64 off, void *data, int size);
1388 int netxen_nic_pci_write_immediate_2M(struct netxen_adapter *adapter,
1390 u32 netxen_nic_pci_read_immediate_2M(struct netxen_adapter *adapter, u64 off);
1391 void netxen_nic_pci_write_normalize_2M(struct netxen_adapter *adapter,
1393 u32 netxen_nic_pci_read_normalize_2M(struct netxen_adapter *adapter, u64 off);
1394 unsigned long netxen_nic_pci_set_window_2M(struct netxen_adapter *adapter,
1395 unsigned long long addr);
1397 /* Functions from netxen_nic_init.c */
1398 void netxen_free_adapter_offload(struct netxen_adapter *adapter);
1399 int netxen_initialize_adapter_offload(struct netxen_adapter *adapter);
1400 int netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val);
1401 int netxen_load_firmware(struct netxen_adapter *adapter);
1402 int netxen_need_fw_reset(struct netxen_adapter *adapter);
1403 void netxen_request_firmware(struct netxen_adapter *adapter);
1404 void netxen_release_firmware(struct netxen_adapter *adapter);
1405 int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose);
1407 int netxen_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp);
1408 int netxen_rom_fast_read_words(struct netxen_adapter *adapter, int addr,
1409 u8 *bytes, size_t size);
1410 int netxen_rom_fast_write_words(struct netxen_adapter *adapter, int addr,
1411 u8 *bytes, size_t size);
1412 int netxen_flash_unlock(struct netxen_adapter *adapter);
1413 int netxen_backup_crbinit(struct netxen_adapter *adapter);
1414 int netxen_flash_erase_secondary(struct netxen_adapter *adapter);
1415 int netxen_flash_erase_primary(struct netxen_adapter *adapter);
1416 void netxen_halt_pegs(struct netxen_adapter *adapter);
1418 int netxen_rom_se(struct netxen_adapter *adapter, int addr);
1420 int netxen_alloc_sw_resources(struct netxen_adapter *adapter);
1421 void netxen_free_sw_resources(struct netxen_adapter *adapter);
1423 int netxen_alloc_hw_resources(struct netxen_adapter *adapter);
1424 void netxen_free_hw_resources(struct netxen_adapter *adapter);
1426 void netxen_release_rx_buffers(struct netxen_adapter *adapter);
1427 void netxen_release_tx_buffers(struct netxen_adapter *adapter);
1429 void netxen_initialize_adapter_ops(struct netxen_adapter *adapter);
1430 int netxen_init_firmware(struct netxen_adapter *adapter);
1431 void netxen_nic_clear_stats(struct netxen_adapter *adapter);
1432 void netxen_watchdog_task(struct work_struct *work);
1433 void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ringid,
1434 struct nx_host_rds_ring *rds_ring);
1435 int netxen_process_cmd_ring(struct netxen_adapter *adapter);
1436 int netxen_process_rcv_ring(struct nx_host_sds_ring *sds_ring, int max);
1437 void netxen_p2_nic_set_multi(struct net_device *netdev);
1438 void netxen_p3_nic_set_multi(struct net_device *netdev);
1439 void netxen_p3_free_mac_list(struct netxen_adapter *adapter);
1440 int netxen_p3_nic_set_promisc(struct netxen_adapter *adapter, u32);
1441 int netxen_config_intr_coalesce(struct netxen_adapter *adapter);
1442 int netxen_config_rss(struct netxen_adapter *adapter, int enable);
1443 int netxen_linkevent_request(struct netxen_adapter *adapter, int enable);
1444 void netxen_advert_link_change(struct netxen_adapter *adapter, int linkup);
1446 int nx_fw_cmd_set_mtu(struct netxen_adapter *adapter, int mtu);
1447 int netxen_nic_change_mtu(struct net_device *netdev, int new_mtu);
1449 int netxen_nic_set_mac(struct net_device *netdev, void *p);
1450 struct net_device_stats *netxen_nic_get_stats(struct net_device *netdev);
1452 void netxen_nic_update_cmd_producer(struct netxen_adapter *adapter,
1453 struct nx_host_tx_ring *tx_ring);
1456 * NetXen Board information
1459 #define NETXEN_MAX_SHORT_NAME 32
1460 struct netxen_brdinfo {
1461 int brdtype; /* type of board */
1462 long ports; /* max no of physical ports */
1463 char short_name[NETXEN_MAX_SHORT_NAME];
1466 static const struct netxen_brdinfo netxen_boards[] = {
1467 {NETXEN_BRDTYPE_P2_SB31_10G_CX4, 1, "XGb CX4"},
1468 {NETXEN_BRDTYPE_P2_SB31_10G_HMEZ, 1, "XGb HMEZ"},
1469 {NETXEN_BRDTYPE_P2_SB31_10G_IMEZ, 2, "XGb IMEZ"},
1470 {NETXEN_BRDTYPE_P2_SB31_10G, 1, "XGb XFP"},
1471 {NETXEN_BRDTYPE_P2_SB35_4G, 4, "Quad Gb"},
1472 {NETXEN_BRDTYPE_P2_SB31_2G, 2, "Dual Gb"},
1473 {NETXEN_BRDTYPE_P3_REF_QG, 4, "Reference Quad Gig "},
1474 {NETXEN_BRDTYPE_P3_HMEZ, 2, "Dual XGb HMEZ"},
1475 {NETXEN_BRDTYPE_P3_10G_CX4_LP, 2, "Dual XGb CX4 LP"},
1476 {NETXEN_BRDTYPE_P3_4_GB, 4, "Quad Gig LP"},
1477 {NETXEN_BRDTYPE_P3_IMEZ, 2, "Dual XGb IMEZ"},
1478 {NETXEN_BRDTYPE_P3_10G_SFP_PLUS, 2, "Dual XGb SFP+ LP"},
1479 {NETXEN_BRDTYPE_P3_10000_BASE_T, 1, "XGB 10G BaseT LP"},
1480 {NETXEN_BRDTYPE_P3_XG_LOM, 2, "Dual XGb LOM"},
1481 {NETXEN_BRDTYPE_P3_4_GB_MM, 4, "NX3031 Gigabit Ethernet"},
1482 {NETXEN_BRDTYPE_P3_10G_SFP_CT, 2, "NX3031 10 Gigabit Ethernet"},
1483 {NETXEN_BRDTYPE_P3_10G_SFP_QT, 2, "Quanta Dual XGb SFP+"},
1484 {NETXEN_BRDTYPE_P3_10G_CX4, 2, "Reference Dual CX4 Option"},
1485 {NETXEN_BRDTYPE_P3_10G_XFP, 1, "Reference Single XFP Option"}
1488 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(netxen_boards)
1490 static inline void get_brd_name_by_type(u32 type, char *name)
1493 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
1494 if (netxen_boards[i].brdtype == type) {
1495 strcpy(name, netxen_boards[i].short_name);
1506 dma_watchdog_shutdown_request(struct netxen_adapter *adapter)
1510 /* check if already inactive */
1511 ctrl = adapter->hw_read_wx(adapter,
1512 NETXEN_CAM_RAM(NETXEN_CAM_RAM_DMA_WATCHDOG_CTRL));
1514 if (netxen_get_dma_watchdog_enabled(ctrl) == 0)
1517 /* Send the disable request */
1518 netxen_set_dma_watchdog_disable_req(ctrl);
1519 NXWR32(adapter, NETXEN_CAM_RAM(NETXEN_CAM_RAM_DMA_WATCHDOG_CTRL), ctrl);
1525 dma_watchdog_shutdown_poll_result(struct netxen_adapter *adapter)
1529 ctrl = adapter->hw_read_wx(adapter,
1530 NETXEN_CAM_RAM(NETXEN_CAM_RAM_DMA_WATCHDOG_CTRL));
1532 return (netxen_get_dma_watchdog_enabled(ctrl) == 0);
1536 dma_watchdog_wakeup(struct netxen_adapter *adapter)
1540 ctrl = adapter->hw_read_wx(adapter,
1541 NETXEN_CAM_RAM(NETXEN_CAM_RAM_DMA_WATCHDOG_CTRL));
1543 if (netxen_get_dma_watchdog_enabled(ctrl))
1546 /* send the wakeup request */
1547 netxen_set_dma_watchdog_enable_req(ctrl);
1549 NXWR32(adapter, NETXEN_CAM_RAM(NETXEN_CAM_RAM_DMA_WATCHDOG_CTRL), ctrl);
1555 static inline u32 netxen_tx_avail(struct nx_host_tx_ring *tx_ring)
1558 return find_diff_among(tx_ring->producer,
1559 tx_ring->sw_consumer, tx_ring->num_desc);
1563 int netxen_get_flash_mac_addr(struct netxen_adapter *adapter, __le64 *mac);
1564 int netxen_p3_get_mac_addr(struct netxen_adapter *adapter, __le64 *mac);
1565 extern void netxen_change_ringparam(struct netxen_adapter *adapter);
1566 extern int netxen_rom_fast_read(struct netxen_adapter *adapter, int addr,
1569 extern struct ethtool_ops netxen_nic_ethtool_ops;
1571 #endif /* __NETXEN_NIC_H_ */