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proc: use seq_puts()/seq_putc() where possible
[linux-2.6/next.git] / drivers / net / netxen / netxen_nic.h
bloba11380544e6c57102b1627a8661536088f292872
1 /*
2 * Copyright (C) 2003 - 2009 NetXen, Inc.
3 * Copyright (C) 2009 - QLogic Corporation.
4 * All rights reserved.
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version 2
9 * of the License, or (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
19 * MA 02111-1307, USA.
20 *
21 * The full GNU General Public License is included in this distribution
22 * in the file called "COPYING".
23 *
24 */
25
26 #ifndef _NETXEN_NIC_H_
27 #define _NETXEN_NIC_H_
28
29 #include <linux/module.h>
30 #include <linux/kernel.h>
31 #include <linux/types.h>
32 #include <linux/ioport.h>
33 #include <linux/pci.h>
34 #include <linux/netdevice.h>
35 #include <linux/etherdevice.h>
36 #include <linux/ip.h>
37 #include <linux/in.h>
38 #include <linux/tcp.h>
39 #include <linux/skbuff.h>
40 #include <linux/firmware.h>
41
42 #include <linux/ethtool.h>
43 #include <linux/mii.h>
44 #include <linux/timer.h>
45
46 #include <linux/vmalloc.h>
47
48 #include <asm/io.h>
49 #include <asm/byteorder.h>
50
51 #include "netxen_nic_hdr.h"
52 #include "netxen_nic_hw.h"
53
54 #define _NETXEN_NIC_LINUX_MAJOR 4
55 #define _NETXEN_NIC_LINUX_MINOR 0
56 #define _NETXEN_NIC_LINUX_SUBVERSION 75
57 #define NETXEN_NIC_LINUX_VERSIONID "4.0.75"
58
59 #define NETXEN_VERSION_CODE(a, b, c) (((a) << 24) + ((b) << 16) + (c))
60 #define _major(v) (((v) >> 24) & 0xff)
61 #define _minor(v) (((v) >> 16) & 0xff)
62 #define _build(v) ((v) & 0xffff)
63
64 /* version in image has weird encoding:
65 * 7:0 - major
66 * 15:8 - minor
67 * 31:16 - build (little endian)
68 */
69 #define NETXEN_DECODE_VERSION(v) \
70 NETXEN_VERSION_CODE(((v) & 0xff), (((v) >> 8) & 0xff), ((v) >> 16))
71
72 #define NETXEN_NUM_FLASH_SECTORS (64)
73 #define NETXEN_FLASH_SECTOR_SIZE (64 * 1024)
74 #define NETXEN_FLASH_TOTAL_SIZE (NETXEN_NUM_FLASH_SECTORS \
75 * NETXEN_FLASH_SECTOR_SIZE)
76
77 #define RCV_DESC_RINGSIZE(rds_ring) \
78 (sizeof(struct rcv_desc) * (rds_ring)->num_desc)
79 #define RCV_BUFF_RINGSIZE(rds_ring) \
80 (sizeof(struct netxen_rx_buffer) * rds_ring->num_desc)
81 #define STATUS_DESC_RINGSIZE(sds_ring) \
82 (sizeof(struct status_desc) * (sds_ring)->num_desc)
83 #define TX_BUFF_RINGSIZE(tx_ring) \
84 (sizeof(struct netxen_cmd_buffer) * tx_ring->num_desc)
85 #define TX_DESC_RINGSIZE(tx_ring) \
86 (sizeof(struct cmd_desc_type0) * tx_ring->num_desc)
87
88 #define find_diff_among(a,b,range) ((a)<(b)?((b)-(a)):((b)+(range)-(a)))
89
90 #define NETXEN_RCV_PRODUCER_OFFSET 0
91 #define NETXEN_RCV_PEG_DB_ID 2
92 #define NETXEN_HOST_DUMMY_DMA_SIZE 1024
93 #define FLASH_SUCCESS 0
94
95 #define ADDR_IN_WINDOW1(off) \
96 ((off > NETXEN_CRB_PCIX_HOST2) && (off < NETXEN_CRB_MAX)) ? 1 : 0
97
98 #define ADDR_IN_RANGE(addr, low, high) \
99 (((addr) < (high)) && ((addr) >= (low)))
100
101 /*
102 * normalize a 64MB crb address to 32MB PCI window
103 * To use NETXEN_CRB_NORMALIZE, window _must_ be set to 1
104 */
105 #define NETXEN_CRB_NORMAL(reg) \
106 ((reg) - NETXEN_CRB_PCIX_HOST2 + NETXEN_CRB_PCIX_HOST)
107
108 #define NETXEN_CRB_NORMALIZE(adapter, reg) \
109 pci_base_offset(adapter, NETXEN_CRB_NORMAL(reg))
110
111 #define DB_NORMALIZE(adapter, off) \
112 (adapter->ahw.db_base + (off))
113
114 #define NX_P2_C0 0x24
115 #define NX_P2_C1 0x25
116 #define NX_P3_A0 0x30
117 #define NX_P3_A2 0x30
118 #define NX_P3_B0 0x40
119 #define NX_P3_B1 0x41
120 #define NX_P3_B2 0x42
121 #define NX_P3P_A0 0x50
122
123 #define NX_IS_REVISION_P2(REVISION) (REVISION <= NX_P2_C1)
124 #define NX_IS_REVISION_P3(REVISION) (REVISION >= NX_P3_A0)
125 #define NX_IS_REVISION_P3P(REVISION) (REVISION >= NX_P3P_A0)
126
127 #define FIRST_PAGE_GROUP_START 0
128 #define FIRST_PAGE_GROUP_END 0x100000
129
130 #define SECOND_PAGE_GROUP_START 0x6000000
131 #define SECOND_PAGE_GROUP_END 0x68BC000
132
133 #define THIRD_PAGE_GROUP_START 0x70E4000
134 #define THIRD_PAGE_GROUP_END 0x8000000
135
136 #define FIRST_PAGE_GROUP_SIZE FIRST_PAGE_GROUP_END - FIRST_PAGE_GROUP_START
137 #define SECOND_PAGE_GROUP_SIZE SECOND_PAGE_GROUP_END - SECOND_PAGE_GROUP_START
138 #define THIRD_PAGE_GROUP_SIZE THIRD_PAGE_GROUP_END - THIRD_PAGE_GROUP_START
139
140 #define P2_MAX_MTU (8000)
141 #define P3_MAX_MTU (9600)
142 #define NX_ETHERMTU 1500
143 #define NX_MAX_ETHERHDR 32 /* This contains some padding */
144
145 #define NX_P2_RX_BUF_MAX_LEN 1760
146 #define NX_P3_RX_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
150 #define NX_LRO_BUFFER_EXTRA 2048
151
152 #define NX_RX_LRO_BUFFER_LENGTH (8060)
153
154 /*
155 * Maximum number of ring contexts
156 */
157 #define MAX_RING_CTX 1
158
159 /* Opcodes to be used with the commands */
160 #define TX_ETHER_PKT 0x01
161 #define TX_TCP_PKT 0x02
162 #define TX_UDP_PKT 0x03
163 #define TX_IP_PKT 0x04
164 #define TX_TCP_LSO 0x05
165 #define TX_TCP_LSO6 0x06
166 #define TX_IPSEC 0x07
167 #define TX_IPSEC_CMD 0x0a
168 #define TX_TCPV6_PKT 0x0b
169 #define TX_UDPV6_PKT 0x0c
170
171 /* The following opcodes are for internal consumption. */
172 #define NETXEN_CONTROL_OP 0x10
173 #define PEGNET_REQUEST 0x11
174
175 #define MAX_NUM_CARDS 4
176
177 #define MAX_BUFFERS_PER_CMD 32
178 #define MAX_TSO_HEADER_DESC 2
179 #define MGMT_CMD_DESC_RESV 4
180 #define TX_STOP_THRESH ((MAX_SKB_FRAGS >> 2) + MAX_TSO_HEADER_DESC \
181 + MGMT_CMD_DESC_RESV)
182 #define NX_MAX_TX_TIMEOUTS 2
183
184 /*
185 * Following are the states of the Phantom. Phantom will set them and
186 * Host will read to check if the fields are correct.
187 */
188 #define PHAN_INITIALIZE_START 0xff00
189 #define PHAN_INITIALIZE_FAILED 0xffff
190 #define PHAN_INITIALIZE_COMPLETE 0xff01
191
192 /* Host writes the following to notify that it has done the init-handshake */
193 #define PHAN_INITIALIZE_ACK 0xf00f
194
195 #define NUM_RCV_DESC_RINGS 3
196 #define NUM_STS_DESC_RINGS 4
197
198 #define RCV_RING_NORMAL 0
199 #define RCV_RING_JUMBO 1
200 #define RCV_RING_LRO 2
201
202 #define MIN_CMD_DESCRIPTORS 64
203 #define MIN_RCV_DESCRIPTORS 64
204 #define MIN_JUMBO_DESCRIPTORS 32
205
206 #define MAX_CMD_DESCRIPTORS 1024
207 #define MAX_RCV_DESCRIPTORS_1G 4096
208 #define MAX_RCV_DESCRIPTORS_10G 8192
209 #define MAX_JUMBO_RCV_DESCRIPTORS_1G 512
210 #define MAX_JUMBO_RCV_DESCRIPTORS_10G 1024
211 #define MAX_LRO_RCV_DESCRIPTORS 8
212
213 #define DEFAULT_RCV_DESCRIPTORS_1G 2048
214 #define DEFAULT_RCV_DESCRIPTORS_10G 4096
215
216 #define NETXEN_CTX_SIGNATURE 0xdee0
217 #define NETXEN_CTX_SIGNATURE_V2 0x0002dee0
218 #define NETXEN_CTX_RESET 0xbad0
219 #define NETXEN_CTX_D3_RESET 0xacc0
220 #define NETXEN_RCV_PRODUCER(ringid) (ringid)
221
222 #define PHAN_PEG_RCV_INITIALIZED 0xff01
223 #define PHAN_PEG_RCV_START_INITIALIZE 0xff00
224
225 #define get_next_index(index, length) \
226 (((index) + 1) & ((length) - 1))
227
228 #define get_index_range(index,length,count) \
229 (((index) + (count)) & ((length) - 1))
230
231 #define MPORT_SINGLE_FUNCTION_MODE 0x1111
232 #define MPORT_MULTI_FUNCTION_MODE 0x2222
233
234 #define NX_MAX_PCI_FUNC 8
235
236 /*
237 * NetXen host-peg signal message structure
238 *
239 * Bit 0-1 : peg_id => 0x2 for tx and 01 for rx
240 * Bit 2 : priv_id => must be 1
241 * Bit 3-17 : count => for doorbell
242 * Bit 18-27 : ctx_id => Context id
243 * Bit 28-31 : opcode
244 */
245
246 typedef u32 netxen_ctx_msg;
247
248 #define netxen_set_msg_peg_id(config_word, val) \
249 ((config_word) &= ~3, (config_word) |= val & 3)
250 #define netxen_set_msg_privid(config_word) \
251 ((config_word) |= 1 << 2)
252 #define netxen_set_msg_count(config_word, val) \
253 ((config_word) &= ~(0x7fff<<3), (config_word) |= (val & 0x7fff) << 3)
254 #define netxen_set_msg_ctxid(config_word, val) \
255 ((config_word) &= ~(0x3ff<<18), (config_word) |= (val & 0x3ff) << 18)
256 #define netxen_set_msg_opcode(config_word, val) \
257 ((config_word) &= ~(0xf<<28), (config_word) |= (val & 0xf) << 28)
258
259 struct netxen_rcv_ring {
260 __le64 addr;
261 __le32 size;
262 __le32 rsrvd;
263 };
264
265 struct netxen_sts_ring {
266 __le64 addr;
267 __le32 size;
268 __le16 msi_index;
269 __le16 rsvd;
270 } ;
271
272 struct netxen_ring_ctx {
273
274 /* one command ring */
275 __le64 cmd_consumer_offset;
276 __le64 cmd_ring_addr;
277 __le32 cmd_ring_size;
278 __le32 rsrvd;
279
280 /* three receive rings */
281 struct netxen_rcv_ring rcv_rings[NUM_RCV_DESC_RINGS];
282
283 __le64 sts_ring_addr;
284 __le32 sts_ring_size;
285
286 __le32 ctx_id;
287
288 __le64 rsrvd_2[3];
289 __le32 sts_ring_count;
290 __le32 rsrvd_3;
291 struct netxen_sts_ring sts_rings[NUM_STS_DESC_RINGS];
292
293 } __attribute__ ((aligned(64)));
294
295 /*
296 * Following data structures describe the descriptors that will be used.
297 * Added fileds of tcpHdrSize and ipHdrSize, The driver needs to do it only when
298 * we are doing LSO (above the 1500 size packet) only.
299 */
300
301 /*
302 * The size of reference handle been changed to 16 bits to pass the MSS fields
303 * for the LSO packet
304 */
305
306 #define FLAGS_CHECKSUM_ENABLED 0x01
307 #define FLAGS_LSO_ENABLED 0x02
308 #define FLAGS_IPSEC_SA_ADD 0x04
309 #define FLAGS_IPSEC_SA_DELETE 0x08
310 #define FLAGS_VLAN_TAGGED 0x10
311 #define FLAGS_VLAN_OOB 0x40
312
313 #define netxen_set_tx_vlan_tci(cmd_desc, v) \
314 (cmd_desc)->vlan_TCI = cpu_to_le16(v);
315
316 #define netxen_set_cmd_desc_port(cmd_desc, var) \
317 ((cmd_desc)->port_ctxid |= ((var) & 0x0F))
318 #define netxen_set_cmd_desc_ctxid(cmd_desc, var) \
319 ((cmd_desc)->port_ctxid |= ((var) << 4 & 0xF0))
320
321 #define netxen_set_tx_port(_desc, _port) \
322 (_desc)->port_ctxid = ((_port) & 0xf) | (((_port) << 4) & 0xf0)
323
324 #define netxen_set_tx_flags_opcode(_desc, _flags, _opcode) \
325 (_desc)->flags_opcode = \
326 cpu_to_le16(((_flags) & 0x7f) | (((_opcode) & 0x3f) << 7))
327
328 #define netxen_set_tx_frags_len(_desc, _frags, _len) \
329 (_desc)->nfrags__length = \
330 cpu_to_le32(((_frags) & 0xff) | (((_len) & 0xffffff) << 8))
331
332 struct cmd_desc_type0 {
333 u8 tcp_hdr_offset; /* For LSO only */
334 u8 ip_hdr_offset; /* For LSO only */
335 __le16 flags_opcode; /* 15:13 unused, 12:7 opcode, 6:0 flags */
336 __le32 nfrags__length; /* 31:8 total len, 7:0 frag count */
337
338 __le64 addr_buffer2;
339
340 __le16 reference_handle;
341 __le16 mss;
342 u8 port_ctxid; /* 7:4 ctxid 3:0 port */
343 u8 total_hdr_length; /* LSO only : MAC+IP+TCP Hdr size */
344 __le16 conn_id; /* IPSec offoad only */
345
346 __le64 addr_buffer3;
347 __le64 addr_buffer1;
348
349 __le16 buffer_length[4];
350
351 __le64 addr_buffer4;
352
353 __le32 reserved2;
354 __le16 reserved;
355 __le16 vlan_TCI;
356
357 } __attribute__ ((aligned(64)));
358
359 /* Note: sizeof(rcv_desc) should always be a mutliple of 2 */
360 struct rcv_desc {
361 __le16 reference_handle;
362 __le16 reserved;
363 __le32 buffer_length; /* allocated buffer length (usually 2K) */
364 __le64 addr_buffer;
365 };
366
367 /* opcode field in status_desc */
368 #define NETXEN_NIC_SYN_OFFLOAD 0x03
369 #define NETXEN_NIC_RXPKT_DESC 0x04
370 #define NETXEN_OLD_RXPKT_DESC 0x3f
371 #define NETXEN_NIC_RESPONSE_DESC 0x05
372 #define NETXEN_NIC_LRO_DESC 0x12
373
374 /* for status field in status_desc */
375 #define STATUS_NEED_CKSUM (1)
376 #define STATUS_CKSUM_OK (2)
377
378 /* owner bits of status_desc */
379 #define STATUS_OWNER_HOST (0x1ULL << 56)
380 #define STATUS_OWNER_PHANTOM (0x2ULL << 56)
381
382 /* Status descriptor:
383 0-3 port, 4-7 status, 8-11 type, 12-27 total_length
384 28-43 reference_handle, 44-47 protocol, 48-52 pkt_offset
385 53-55 desc_cnt, 56-57 owner, 58-63 opcode
386 */
387 #define netxen_get_sts_port(sts_data) \
388 ((sts_data) & 0x0F)
389 #define netxen_get_sts_status(sts_data) \
390 (((sts_data) >> 4) & 0x0F)
391 #define netxen_get_sts_type(sts_data) \
392 (((sts_data) >> 8) & 0x0F)
393 #define netxen_get_sts_totallength(sts_data) \
394 (((sts_data) >> 12) & 0xFFFF)
395 #define netxen_get_sts_refhandle(sts_data) \
396 (((sts_data) >> 28) & 0xFFFF)
397 #define netxen_get_sts_prot(sts_data) \
398 (((sts_data) >> 44) & 0x0F)
399 #define netxen_get_sts_pkt_offset(sts_data) \
400 (((sts_data) >> 48) & 0x1F)
401 #define netxen_get_sts_desc_cnt(sts_data) \
402 (((sts_data) >> 53) & 0x7)
403 #define netxen_get_sts_opcode(sts_data) \
404 (((sts_data) >> 58) & 0x03F)
405
406 #define netxen_get_lro_sts_refhandle(sts_data) \
407 ((sts_data) & 0x0FFFF)
408 #define netxen_get_lro_sts_length(sts_data) \
409 (((sts_data) >> 16) & 0x0FFFF)
410 #define netxen_get_lro_sts_l2_hdr_offset(sts_data) \
411 (((sts_data) >> 32) & 0x0FF)
412 #define netxen_get_lro_sts_l4_hdr_offset(sts_data) \
413 (((sts_data) >> 40) & 0x0FF)
414 #define netxen_get_lro_sts_timestamp(sts_data) \
415 (((sts_data) >> 48) & 0x1)
416 #define netxen_get_lro_sts_type(sts_data) \
417 (((sts_data) >> 49) & 0x7)
418 #define netxen_get_lro_sts_push_flag(sts_data) \
419 (((sts_data) >> 52) & 0x1)
420 #define netxen_get_lro_sts_seq_number(sts_data) \
421 ((sts_data) & 0x0FFFFFFFF)
422
423
424 struct status_desc {
425 __le64 status_desc_data[2];
426 } __attribute__ ((aligned(16)));
427
428 /* UNIFIED ROMIMAGE *************************/
429 #define NX_UNI_DIR_SECT_PRODUCT_TBL 0x0
430 #define NX_UNI_DIR_SECT_BOOTLD 0x6
431 #define NX_UNI_DIR_SECT_FW 0x7
432
433 /*Offsets */
434 #define NX_UNI_CHIP_REV_OFF 10
435 #define NX_UNI_FLAGS_OFF 11
436 #define NX_UNI_BIOS_VERSION_OFF 12
437 #define NX_UNI_BOOTLD_IDX_OFF 27
438 #define NX_UNI_FIRMWARE_IDX_OFF 29
439
440 struct uni_table_desc{
441 uint32_t findex;
442 uint32_t num_entries;
443 uint32_t entry_size;
444 uint32_t reserved[5];
445 };
446
447 struct uni_data_desc{
448 uint32_t findex;
449 uint32_t size;
450 uint32_t reserved[5];
451 };
452
453 /* UNIFIED ROMIMAGE *************************/
454
455 /* The version of the main data structure */
456 #define NETXEN_BDINFO_VERSION 1
457
458 /* Magic number to let user know flash is programmed */
459 #define NETXEN_BDINFO_MAGIC 0x12345678
460
461 /* Max number of Gig ports on a Phantom board */
462 #define NETXEN_MAX_PORTS 4
463
464 #define NETXEN_BRDTYPE_P1_BD 0x0000
465 #define NETXEN_BRDTYPE_P1_SB 0x0001
466 #define NETXEN_BRDTYPE_P1_SMAX 0x0002
467 #define NETXEN_BRDTYPE_P1_SOCK 0x0003
468
469 #define NETXEN_BRDTYPE_P2_SOCK_31 0x0008
470 #define NETXEN_BRDTYPE_P2_SOCK_35 0x0009
471 #define NETXEN_BRDTYPE_P2_SB35_4G 0x000a
472 #define NETXEN_BRDTYPE_P2_SB31_10G 0x000b
473 #define NETXEN_BRDTYPE_P2_SB31_2G 0x000c
474
475 #define NETXEN_BRDTYPE_P2_SB31_10G_IMEZ 0x000d
476 #define NETXEN_BRDTYPE_P2_SB31_10G_HMEZ 0x000e
477 #define NETXEN_BRDTYPE_P2_SB31_10G_CX4 0x000f
478
479 #define NETXEN_BRDTYPE_P3_REF_QG 0x0021
480 #define NETXEN_BRDTYPE_P3_HMEZ 0x0022
481 #define NETXEN_BRDTYPE_P3_10G_CX4_LP 0x0023
482 #define NETXEN_BRDTYPE_P3_4_GB 0x0024
483 #define NETXEN_BRDTYPE_P3_IMEZ 0x0025
484 #define NETXEN_BRDTYPE_P3_10G_SFP_PLUS 0x0026
485 #define NETXEN_BRDTYPE_P3_10000_BASE_T 0x0027
486 #define NETXEN_BRDTYPE_P3_XG_LOM 0x0028
487 #define NETXEN_BRDTYPE_P3_4_GB_MM 0x0029
488 #define NETXEN_BRDTYPE_P3_10G_SFP_CT 0x002a
489 #define NETXEN_BRDTYPE_P3_10G_SFP_QT 0x002b
490 #define NETXEN_BRDTYPE_P3_10G_CX4 0x0031
491 #define NETXEN_BRDTYPE_P3_10G_XFP 0x0032
492 #define NETXEN_BRDTYPE_P3_10G_TP 0x0080
493
494 /* Flash memory map */
495 #define NETXEN_CRBINIT_START 0 /* crbinit section */
496 #define NETXEN_BRDCFG_START 0x4000 /* board config */
497 #define NETXEN_INITCODE_START 0x6000 /* pegtune code */
498 #define NETXEN_BOOTLD_START 0x10000 /* bootld */
499 #define NETXEN_IMAGE_START 0x43000 /* compressed image */
500 #define NETXEN_SECONDARY_START 0x200000 /* backup images */
501 #define NETXEN_PXE_START 0x3E0000 /* PXE boot rom */
502 #define NETXEN_USER_START 0x3E8000 /* Firmare info */
503 #define NETXEN_FIXED_START 0x3F0000 /* backup of crbinit */
504 #define NETXEN_USER_START_OLD NETXEN_PXE_START /* very old flash */
505
506 #define NX_OLD_MAC_ADDR_OFFSET (NETXEN_USER_START)
507 #define NX_FW_VERSION_OFFSET (NETXEN_USER_START+0x408)
508 #define NX_FW_SIZE_OFFSET (NETXEN_USER_START+0x40c)
509 #define NX_FW_MAC_ADDR_OFFSET (NETXEN_USER_START+0x418)
510 #define NX_FW_SERIAL_NUM_OFFSET (NETXEN_USER_START+0x81c)
511 #define NX_BIOS_VERSION_OFFSET (NETXEN_USER_START+0x83c)
512
513 #define NX_HDR_VERSION_OFFSET (NETXEN_BRDCFG_START)
514 #define NX_BRDTYPE_OFFSET (NETXEN_BRDCFG_START+0x8)
515 #define NX_FW_MAGIC_OFFSET (NETXEN_BRDCFG_START+0x128)
516
517 #define NX_FW_MIN_SIZE (0x3fffff)
518 #define NX_P2_MN_ROMIMAGE 0
519 #define NX_P3_CT_ROMIMAGE 1
520 #define NX_P3_MN_ROMIMAGE 2
521 #define NX_UNIFIED_ROMIMAGE 3
522 #define NX_FLASH_ROMIMAGE 4
523 #define NX_UNKNOWN_ROMIMAGE 0xff
524
525 #define NX_P2_MN_ROMIMAGE_NAME "nxromimg.bin"
526 #define NX_P3_CT_ROMIMAGE_NAME "nx3fwct.bin"
527 #define NX_P3_MN_ROMIMAGE_NAME "nx3fwmn.bin"
528 #define NX_UNIFIED_ROMIMAGE_NAME "phanfw.bin"
529 #define NX_FLASH_ROMIMAGE_NAME "flash"
530
531 extern char netxen_nic_driver_name[];
532
533 /* Number of status descriptors to handle per interrupt */
534 #define MAX_STATUS_HANDLE (64)
535
536 /*
537 * netxen_skb_frag{} is to contain mapping info for each SG list. This
538 * has to be freed when DMA is complete. This is part of netxen_tx_buffer{}.
539 */
540 struct netxen_skb_frag {
541 u64 dma;
542 u64 length;
543 };
544
545 struct netxen_recv_crb {
546 u32 crb_rcv_producer[NUM_RCV_DESC_RINGS];
547 u32 crb_sts_consumer[NUM_STS_DESC_RINGS];
548 u32 sw_int_mask[NUM_STS_DESC_RINGS];
549 };
550
551 /* Following defines are for the state of the buffers */
552 #define NETXEN_BUFFER_FREE 0
553 #define NETXEN_BUFFER_BUSY 1
554
555 /*
556 * There will be one netxen_buffer per skb packet. These will be
557 * used to save the dma info for pci_unmap_page()
558 */
559 struct netxen_cmd_buffer {
560 struct sk_buff *skb;
561 struct netxen_skb_frag frag_array[MAX_BUFFERS_PER_CMD + 1];
562 u32 frag_count;
563 };
564
565 /* In rx_buffer, we do not need multiple fragments as is a single buffer */
566 struct netxen_rx_buffer {
567 struct list_head list;
568 struct sk_buff *skb;
569 u64 dma;
570 u16 ref_handle;
571 u16 state;
572 };
573
574 /* Board types */
575 #define NETXEN_NIC_GBE 0x01
576 #define NETXEN_NIC_XGBE 0x02
577
578 /*
579 * One hardware_context{} per adapter
580 * contains interrupt info as well shared hardware info.
581 */
582 struct netxen_hardware_context {
583 void __iomem *pci_base0;
584 void __iomem *pci_base1;
585 void __iomem *pci_base2;
586 void __iomem *db_base;
587 void __iomem *ocm_win_crb;
588
589 unsigned long db_len;
590 unsigned long pci_len0;
591
592 u32 ocm_win;
593 u32 crb_win;
594
595 rwlock_t crb_lock;
596 spinlock_t mem_lock;
597
598 u8 cut_through;
599 u8 revision_id;
600 u8 pci_func;
601 u8 linkup;
602 u16 port_type;
603 u16 board_type;
604 };
605
606 #define MINIMUM_ETHERNET_FRAME_SIZE 64 /* With FCS */
607 #define ETHERNET_FCS_SIZE 4
608
609 struct netxen_adapter_stats {
610 u64 xmitcalled;
611 u64 xmitfinished;
612 u64 rxdropped;
613 u64 txdropped;
614 u64 csummed;
615 u64 rx_pkts;
616 u64 lro_pkts;
617 u64 rxbytes;
618 u64 txbytes;
619 };
620
621 /*
622 * Rcv Descriptor Context. One such per Rcv Descriptor. There may
623 * be one Rcv Descriptor for normal packets, one for jumbo and may be others.
624 */
625 struct nx_host_rds_ring {
626 u32 producer;
627 u32 num_desc;
628 u32 dma_size;
629 u32 skb_size;
630 u32 flags;
631 void __iomem *crb_rcv_producer;
632 struct rcv_desc *desc_head;
633 struct netxen_rx_buffer *rx_buf_arr;
634 struct list_head free_list;
635 spinlock_t lock;
636 dma_addr_t phys_addr;
637 };
638
639 struct nx_host_sds_ring {
640 u32 consumer;
641 u32 num_desc;
642 void __iomem *crb_sts_consumer;
643 void __iomem *crb_intr_mask;
644
645 struct status_desc *desc_head;
646 struct netxen_adapter *adapter;
647 struct napi_struct napi;
648 struct list_head free_list[NUM_RCV_DESC_RINGS];
649
650 int irq;
651
652 dma_addr_t phys_addr;
653 char name[IFNAMSIZ+4];
654 };
655
656 struct nx_host_tx_ring {
657 u32 producer;
658 __le32 *hw_consumer;
659 u32 sw_consumer;
660 void __iomem *crb_cmd_producer;
661 void __iomem *crb_cmd_consumer;
662 u32 num_desc;
663
664 struct netdev_queue *txq;
665
666 struct netxen_cmd_buffer *cmd_buf_arr;
667 struct cmd_desc_type0 *desc_head;
668 dma_addr_t phys_addr;
669 };
670
671 /*
672 * Receive context. There is one such structure per instance of the
673 * receive processing. Any state information that is relevant to
674 * the receive, and is must be in this structure. The global data may be
675 * present elsewhere.
676 */
677 struct netxen_recv_context {
678 u32 state;
679 u16 context_id;
680 u16 virt_port;
681
682 struct nx_host_rds_ring *rds_rings;
683 struct nx_host_sds_ring *sds_rings;
684
685 struct netxen_ring_ctx *hwctx;
686 dma_addr_t phys_addr;
687 };
688
689 /* New HW context creation */
690
691 #define NX_OS_CRB_RETRY_COUNT 4000
692 #define NX_CDRP_SIGNATURE_MAKE(pcifn, version) \
693 (((pcifn) & 0xff) | (((version) & 0xff) << 8) | (0xcafe << 16))
694
695 #define NX_CDRP_CLEAR 0x00000000
696 #define NX_CDRP_CMD_BIT 0x80000000
697
698 /*
699 * All responses must have the NX_CDRP_CMD_BIT cleared
700 * in the crb NX_CDRP_CRB_OFFSET.
701 */
702 #define NX_CDRP_FORM_RSP(rsp) (rsp)
703 #define NX_CDRP_IS_RSP(rsp) (((rsp) & NX_CDRP_CMD_BIT) == 0)
704
705 #define NX_CDRP_RSP_OK 0x00000001
706 #define NX_CDRP_RSP_FAIL 0x00000002
707 #define NX_CDRP_RSP_TIMEOUT 0x00000003
708
709 /*
710 * All commands must have the NX_CDRP_CMD_BIT set in
711 * the crb NX_CDRP_CRB_OFFSET.
712 */
713 #define NX_CDRP_FORM_CMD(cmd) (NX_CDRP_CMD_BIT | (cmd))
714 #define NX_CDRP_IS_CMD(cmd) (((cmd) & NX_CDRP_CMD_BIT) != 0)
715
716 #define NX_CDRP_CMD_SUBMIT_CAPABILITIES 0x00000001
717 #define NX_CDRP_CMD_READ_MAX_RDS_PER_CTX 0x00000002
718 #define NX_CDRP_CMD_READ_MAX_SDS_PER_CTX 0x00000003
719 #define NX_CDRP_CMD_READ_MAX_RULES_PER_CTX 0x00000004
720 #define NX_CDRP_CMD_READ_MAX_RX_CTX 0x00000005
721 #define NX_CDRP_CMD_READ_MAX_TX_CTX 0x00000006
722 #define NX_CDRP_CMD_CREATE_RX_CTX 0x00000007
723 #define NX_CDRP_CMD_DESTROY_RX_CTX 0x00000008
724 #define NX_CDRP_CMD_CREATE_TX_CTX 0x00000009
725 #define NX_CDRP_CMD_DESTROY_TX_CTX 0x0000000a
726 #define NX_CDRP_CMD_SETUP_STATISTICS 0x0000000e
727 #define NX_CDRP_CMD_GET_STATISTICS 0x0000000f
728 #define NX_CDRP_CMD_DELETE_STATISTICS 0x00000010
729 #define NX_CDRP_CMD_SET_MTU 0x00000012
730 #define NX_CDRP_CMD_READ_PHY 0x00000013
731 #define NX_CDRP_CMD_WRITE_PHY 0x00000014
732 #define NX_CDRP_CMD_READ_HW_REG 0x00000015
733 #define NX_CDRP_CMD_GET_FLOW_CTL 0x00000016
734 #define NX_CDRP_CMD_SET_FLOW_CTL 0x00000017
735 #define NX_CDRP_CMD_READ_MAX_MTU 0x00000018
736 #define NX_CDRP_CMD_READ_MAX_LRO 0x00000019
737 #define NX_CDRP_CMD_CONFIGURE_TOE 0x0000001a
738 #define NX_CDRP_CMD_FUNC_ATTRIB 0x0000001b
739 #define NX_CDRP_CMD_READ_PEXQ_PARAMETERS 0x0000001c
740 #define NX_CDRP_CMD_GET_LIC_CAPABILITIES 0x0000001d
741 #define NX_CDRP_CMD_READ_MAX_LRO_PER_BOARD 0x0000001e
742 #define NX_CDRP_CMD_MAX 0x0000001f
743
744 #define NX_RCODE_SUCCESS 0
745 #define NX_RCODE_NO_HOST_MEM 1
746 #define NX_RCODE_NO_HOST_RESOURCE 2
747 #define NX_RCODE_NO_CARD_CRB 3
748 #define NX_RCODE_NO_CARD_MEM 4
749 #define NX_RCODE_NO_CARD_RESOURCE 5
750 #define NX_RCODE_INVALID_ARGS 6
751 #define NX_RCODE_INVALID_ACTION 7
752 #define NX_RCODE_INVALID_STATE 8
753 #define NX_RCODE_NOT_SUPPORTED 9
754 #define NX_RCODE_NOT_PERMITTED 10
755 #define NX_RCODE_NOT_READY 11
756 #define NX_RCODE_DOES_NOT_EXIST 12
757 #define NX_RCODE_ALREADY_EXISTS 13
758 #define NX_RCODE_BAD_SIGNATURE 14
759 #define NX_RCODE_CMD_NOT_IMPL 15
760 #define NX_RCODE_CMD_INVALID 16
761 #define NX_RCODE_TIMEOUT 17
762 #define NX_RCODE_CMD_FAILED 18
763 #define NX_RCODE_MAX_EXCEEDED 19
764 #define NX_RCODE_MAX 20
765
766 #define NX_DESTROY_CTX_RESET 0
767 #define NX_DESTROY_CTX_D3_RESET 1
768 #define NX_DESTROY_CTX_MAX 2
769
770 /*
771 * Capabilities
772 */
773 #define NX_CAP_BIT(class, bit) (1 << bit)
774 #define NX_CAP0_LEGACY_CONTEXT NX_CAP_BIT(0, 0)
775 #define NX_CAP0_MULTI_CONTEXT NX_CAP_BIT(0, 1)
776 #define NX_CAP0_LEGACY_MN NX_CAP_BIT(0, 2)
777 #define NX_CAP0_LEGACY_MS NX_CAP_BIT(0, 3)
778 #define NX_CAP0_CUT_THROUGH NX_CAP_BIT(0, 4)
779 #define NX_CAP0_LRO NX_CAP_BIT(0, 5)
780 #define NX_CAP0_LSO NX_CAP_BIT(0, 6)
781 #define NX_CAP0_JUMBO_CONTIGUOUS NX_CAP_BIT(0, 7)
782 #define NX_CAP0_LRO_CONTIGUOUS NX_CAP_BIT(0, 8)
783 #define NX_CAP0_HW_LRO NX_CAP_BIT(0, 10)
784
785 /*
786 * Context state
787 */
788 #define NX_HOST_CTX_STATE_FREED 0
789 #define NX_HOST_CTX_STATE_ALLOCATED 1
790 #define NX_HOST_CTX_STATE_ACTIVE 2
791 #define NX_HOST_CTX_STATE_DISABLED 3
792 #define NX_HOST_CTX_STATE_QUIESCED 4
793 #define NX_HOST_CTX_STATE_MAX 5
794
795 /*
796 * Rx context
797 */
798
799 typedef struct {
800 __le64 host_phys_addr; /* Ring base addr */
801 __le32 ring_size; /* Ring entries */
802 __le16 msi_index;
803 __le16 rsvd; /* Padding */
804 } nx_hostrq_sds_ring_t;
805
806 typedef struct {
807 __le64 host_phys_addr; /* Ring base addr */
808 __le64 buff_size; /* Packet buffer size */
809 __le32 ring_size; /* Ring entries */
810 __le32 ring_kind; /* Class of ring */
811 } nx_hostrq_rds_ring_t;
812
813 typedef struct {
814 __le64 host_rsp_dma_addr; /* Response dma'd here */
815 __le32 capabilities[4]; /* Flag bit vector */
816 __le32 host_int_crb_mode; /* Interrupt crb usage */
817 __le32 host_rds_crb_mode; /* RDS crb usage */
818 /* These ring offsets are relative to data[0] below */
819 __le32 rds_ring_offset; /* Offset to RDS config */
820 __le32 sds_ring_offset; /* Offset to SDS config */
821 __le16 num_rds_rings; /* Count of RDS rings */
822 __le16 num_sds_rings; /* Count of SDS rings */
823 __le16 rsvd1; /* Padding */
824 __le16 rsvd2; /* Padding */
825 u8 reserved[128]; /* reserve space for future expansion*/
826 /* MUST BE 64-bit aligned.
827 The following is packed:
828 - N hostrq_rds_rings
829 - N hostrq_sds_rings */
830 char data[0];
831 } nx_hostrq_rx_ctx_t;
832
833 typedef struct {
834 __le32 host_producer_crb; /* Crb to use */
835 __le32 rsvd1; /* Padding */
836 } nx_cardrsp_rds_ring_t;
837
838 typedef struct {
839 __le32 host_consumer_crb; /* Crb to use */
840 __le32 interrupt_crb; /* Crb to use */
841 } nx_cardrsp_sds_ring_t;
842
843 typedef struct {
844 /* These ring offsets are relative to data[0] below */
845 __le32 rds_ring_offset; /* Offset to RDS config */
846 __le32 sds_ring_offset; /* Offset to SDS config */
847 __le32 host_ctx_state; /* Starting State */
848 __le32 num_fn_per_port; /* How many PCI fn share the port */
849 __le16 num_rds_rings; /* Count of RDS rings */
850 __le16 num_sds_rings; /* Count of SDS rings */
851 __le16 context_id; /* Handle for context */
852 u8 phys_port; /* Physical id of port */
853 u8 virt_port; /* Virtual/Logical id of port */
854 u8 reserved[128]; /* save space for future expansion */
855 /* MUST BE 64-bit aligned.
856 The following is packed:
857 - N cardrsp_rds_rings
858 - N cardrs_sds_rings */
859 char data[0];
860 } nx_cardrsp_rx_ctx_t;
861
862 #define SIZEOF_HOSTRQ_RX(HOSTRQ_RX, rds_rings, sds_rings) \
863 (sizeof(HOSTRQ_RX) + \
864 (rds_rings)*(sizeof(nx_hostrq_rds_ring_t)) + \
865 (sds_rings)*(sizeof(nx_hostrq_sds_ring_t)))
866
867 #define SIZEOF_CARDRSP_RX(CARDRSP_RX, rds_rings, sds_rings) \
868 (sizeof(CARDRSP_RX) + \
869 (rds_rings)*(sizeof(nx_cardrsp_rds_ring_t)) + \
870 (sds_rings)*(sizeof(nx_cardrsp_sds_ring_t)))
871
872 /*
873 * Tx context
874 */
875
876 typedef struct {
877 __le64 host_phys_addr; /* Ring base addr */
878 __le32 ring_size; /* Ring entries */
879 __le32 rsvd; /* Padding */
880 } nx_hostrq_cds_ring_t;
881
882 typedef struct {
883 __le64 host_rsp_dma_addr; /* Response dma'd here */
884 __le64 cmd_cons_dma_addr; /* */
885 __le64 dummy_dma_addr; /* */
886 __le32 capabilities[4]; /* Flag bit vector */
887 __le32 host_int_crb_mode; /* Interrupt crb usage */
888 __le32 rsvd1; /* Padding */
889 __le16 rsvd2; /* Padding */
890 __le16 interrupt_ctl;
891 __le16 msi_index;
892 __le16 rsvd3; /* Padding */
893 nx_hostrq_cds_ring_t cds_ring; /* Desc of cds ring */
894 u8 reserved[128]; /* future expansion */
895 } nx_hostrq_tx_ctx_t;
896
897 typedef struct {
898 __le32 host_producer_crb; /* Crb to use */
899 __le32 interrupt_crb; /* Crb to use */
900 } nx_cardrsp_cds_ring_t;
901
902 typedef struct {
903 __le32 host_ctx_state; /* Starting state */
904 __le16 context_id; /* Handle for context */
905 u8 phys_port; /* Physical id of port */
906 u8 virt_port; /* Virtual/Logical id of port */
907 nx_cardrsp_cds_ring_t cds_ring; /* Card cds settings */
908 u8 reserved[128]; /* future expansion */
909 } nx_cardrsp_tx_ctx_t;
910
911 #define SIZEOF_HOSTRQ_TX(HOSTRQ_TX) (sizeof(HOSTRQ_TX))
912 #define SIZEOF_CARDRSP_TX(CARDRSP_TX) (sizeof(CARDRSP_TX))
913
914 /* CRB */
915
916 #define NX_HOST_RDS_CRB_MODE_UNIQUE 0
917 #define NX_HOST_RDS_CRB_MODE_SHARED 1
918 #define NX_HOST_RDS_CRB_MODE_CUSTOM 2
919 #define NX_HOST_RDS_CRB_MODE_MAX 3
920
921 #define NX_HOST_INT_CRB_MODE_UNIQUE 0
922 #define NX_HOST_INT_CRB_MODE_SHARED 1
923 #define NX_HOST_INT_CRB_MODE_NORX 2
924 #define NX_HOST_INT_CRB_MODE_NOTX 3
925 #define NX_HOST_INT_CRB_MODE_NORXTX 4
926
927
928 /* MAC */
929
930 #define MC_COUNT_P2 16
931 #define MC_COUNT_P3 38
932
933 #define NETXEN_MAC_NOOP 0
934 #define NETXEN_MAC_ADD 1
935 #define NETXEN_MAC_DEL 2
936
937 typedef struct nx_mac_list_s {
938 struct list_head list;
939 uint8_t mac_addr[ETH_ALEN+2];
940 } nx_mac_list_t;
941
942 /*
943 * Interrupt coalescing defaults. The defaults are for 1500 MTU. It is
944 * adjusted based on configured MTU.
945 */
946 #define NETXEN_DEFAULT_INTR_COALESCE_RX_TIME_US 3
947 #define NETXEN_DEFAULT_INTR_COALESCE_RX_PACKETS 256
948 #define NETXEN_DEFAULT_INTR_COALESCE_TX_PACKETS 64
949 #define NETXEN_DEFAULT_INTR_COALESCE_TX_TIME_US 4
950
951 #define NETXEN_NIC_INTR_DEFAULT 0x04
952
953 typedef union {
954 struct {
955 uint16_t rx_packets;
956 uint16_t rx_time_us;
957 uint16_t tx_packets;
958 uint16_t tx_time_us;
959 } data;
960 uint64_t word;
961 } nx_nic_intr_coalesce_data_t;
962
963 typedef struct {
964 uint16_t stats_time_us;
965 uint16_t rate_sample_time;
966 uint16_t flags;
967 uint16_t rsvd_1;
968 uint32_t low_threshold;
969 uint32_t high_threshold;
970 nx_nic_intr_coalesce_data_t normal;
971 nx_nic_intr_coalesce_data_t low;
972 nx_nic_intr_coalesce_data_t high;
973 nx_nic_intr_coalesce_data_t irq;
974 } nx_nic_intr_coalesce_t;
975
976 #define NX_HOST_REQUEST 0x13
977 #define NX_NIC_REQUEST 0x14
978
979 #define NX_MAC_EVENT 0x1
980
981 #define NX_IP_UP 2
982 #define NX_IP_DOWN 3
983
984 /*
985 * Driver --> Firmware
986 */
987 #define NX_NIC_H2C_OPCODE_START 0
988 #define NX_NIC_H2C_OPCODE_CONFIG_RSS 1
989 #define NX_NIC_H2C_OPCODE_CONFIG_RSS_TBL 2
990 #define NX_NIC_H2C_OPCODE_CONFIG_INTR_COALESCE 3
991 #define NX_NIC_H2C_OPCODE_CONFIG_LED 4
992 #define NX_NIC_H2C_OPCODE_CONFIG_PROMISCUOUS 5
993 #define NX_NIC_H2C_OPCODE_CONFIG_L2_MAC 6
994 #define NX_NIC_H2C_OPCODE_LRO_REQUEST 7
995 #define NX_NIC_H2C_OPCODE_GET_SNMP_STATS 8
996 #define NX_NIC_H2C_OPCODE_PROXY_START_REQUEST 9
997 #define NX_NIC_H2C_OPCODE_PROXY_STOP_REQUEST 10
998 #define NX_NIC_H2C_OPCODE_PROXY_SET_MTU 11
999 #define NX_NIC_H2C_OPCODE_PROXY_SET_VPORT_MISS_MODE 12
1000 #define NX_NIC_H2C_OPCODE_GET_FINGER_PRINT_REQUEST 13
1001 #define NX_NIC_H2C_OPCODE_INSTALL_LICENSE_REQUEST 14
1002 #define NX_NIC_H2C_OPCODE_GET_LICENSE_CAPABILITY_REQUEST 15
1003 #define NX_NIC_H2C_OPCODE_GET_NET_STATS 16
1004 #define NX_NIC_H2C_OPCODE_PROXY_UPDATE_P2V 17
1005 #define NX_NIC_H2C_OPCODE_CONFIG_IPADDR 18
1006 #define NX_NIC_H2C_OPCODE_CONFIG_LOOPBACK 19
1007 #define NX_NIC_H2C_OPCODE_PROXY_STOP_DONE 20
1008 #define NX_NIC_H2C_OPCODE_GET_LINKEVENT 21
1009 #define NX_NIC_C2C_OPCODE 22
1010 #define NX_NIC_H2C_OPCODE_CONFIG_BRIDGING 23
1011 #define NX_NIC_H2C_OPCODE_CONFIG_HW_LRO 24
1012 #define NX_NIC_H2C_OPCODE_LAST 25
1013
1014 /*
1015 * Firmware --> Driver
1016 */
1017
1018 #define NX_NIC_C2H_OPCODE_START 128
1019 #define NX_NIC_C2H_OPCODE_CONFIG_RSS_RESPONSE 129
1020 #define NX_NIC_C2H_OPCODE_CONFIG_RSS_TBL_RESPONSE 130
1021 #define NX_NIC_C2H_OPCODE_CONFIG_MAC_RESPONSE 131
1022 #define NX_NIC_C2H_OPCODE_CONFIG_PROMISCUOUS_RESPONSE 132
1023 #define NX_NIC_C2H_OPCODE_CONFIG_L2_MAC_RESPONSE 133
1024 #define NX_NIC_C2H_OPCODE_LRO_DELETE_RESPONSE 134
1025 #define NX_NIC_C2H_OPCODE_LRO_ADD_FAILURE_RESPONSE 135
1026 #define NX_NIC_C2H_OPCODE_GET_SNMP_STATS 136
1027 #define NX_NIC_C2H_OPCODE_GET_FINGER_PRINT_REPLY 137
1028 #define NX_NIC_C2H_OPCODE_INSTALL_LICENSE_REPLY 138
1029 #define NX_NIC_C2H_OPCODE_GET_LICENSE_CAPABILITIES_REPLY 139
1030 #define NX_NIC_C2H_OPCODE_GET_NET_STATS_RESPONSE 140
1031 #define NX_NIC_C2H_OPCODE_GET_LINKEVENT_RESPONSE 141
1032 #define NX_NIC_C2H_OPCODE_LAST 142
1033
1034 #define VPORT_MISS_MODE_DROP 0 /* drop all unmatched */
1035 #define VPORT_MISS_MODE_ACCEPT_ALL 1 /* accept all packets */
1036 #define VPORT_MISS_MODE_ACCEPT_MULTI 2 /* accept unmatched multicast */
1037
1038 #define NX_NIC_LRO_REQUEST_FIRST 0
1039 #define NX_NIC_LRO_REQUEST_ADD_FLOW 1
1040 #define NX_NIC_LRO_REQUEST_DELETE_FLOW 2
1041 #define NX_NIC_LRO_REQUEST_TIMER 3
1042 #define NX_NIC_LRO_REQUEST_CLEANUP 4
1043 #define NX_NIC_LRO_REQUEST_ADD_FLOW_SCHEDULED 5
1044 #define NX_TOE_LRO_REQUEST_ADD_FLOW 6
1045 #define NX_TOE_LRO_REQUEST_ADD_FLOW_RESPONSE 7
1046 #define NX_TOE_LRO_REQUEST_DELETE_FLOW 8
1047 #define NX_TOE_LRO_REQUEST_DELETE_FLOW_RESPONSE 9
1048 #define NX_TOE_LRO_REQUEST_TIMER 10
1049 #define NX_NIC_LRO_REQUEST_LAST 11
1050
1051 #define NX_FW_CAPABILITY_LINK_NOTIFICATION (1 << 5)
1052 #define NX_FW_CAPABILITY_SWITCHING (1 << 6)
1053 #define NX_FW_CAPABILITY_PEXQ (1 << 7)
1054 #define NX_FW_CAPABILITY_BDG (1 << 8)
1055 #define NX_FW_CAPABILITY_FVLANTX (1 << 9)
1056 #define NX_FW_CAPABILITY_HW_LRO (1 << 10)
1057
1058 /* module types */
1059 #define LINKEVENT_MODULE_NOT_PRESENT 1
1060 #define LINKEVENT_MODULE_OPTICAL_UNKNOWN 2
1061 #define LINKEVENT_MODULE_OPTICAL_SRLR 3
1062 #define LINKEVENT_MODULE_OPTICAL_LRM 4
1063 #define LINKEVENT_MODULE_OPTICAL_SFP_1G 5
1064 #define LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLE 6
1065 #define LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLELEN 7
1066 #define LINKEVENT_MODULE_TWINAX 8
1067
1068 #define LINKSPEED_10GBPS 10000
1069 #define LINKSPEED_1GBPS 1000
1070 #define LINKSPEED_100MBPS 100
1071 #define LINKSPEED_10MBPS 10
1072
1073 #define LINKSPEED_ENCODED_10MBPS 0
1074 #define LINKSPEED_ENCODED_100MBPS 1
1075 #define LINKSPEED_ENCODED_1GBPS 2
1076
1077 #define LINKEVENT_AUTONEG_DISABLED 0
1078 #define LINKEVENT_AUTONEG_ENABLED 1
1079
1080 #define LINKEVENT_HALF_DUPLEX 0
1081 #define LINKEVENT_FULL_DUPLEX 1
1082
1083 #define LINKEVENT_LINKSPEED_MBPS 0
1084 #define LINKEVENT_LINKSPEED_ENCODED 1
1085
1086 #define AUTO_FW_RESET_ENABLED 0xEF10AF12
1087 #define AUTO_FW_RESET_DISABLED 0xDCBAAF12
1088
1089 /* firmware response header:
1090 * 63:58 - message type
1091 * 57:56 - owner
1092 * 55:53 - desc count
1093 * 52:48 - reserved
1094 * 47:40 - completion id
1095 * 39:32 - opcode
1096 * 31:16 - error code
1097 * 15:00 - reserved
1098 */
1099 #define netxen_get_nic_msgtype(msg_hdr) \
1100 ((msg_hdr >> 58) & 0x3F)
1101 #define netxen_get_nic_msg_compid(msg_hdr) \
1102 ((msg_hdr >> 40) & 0xFF)
1103 #define netxen_get_nic_msg_opcode(msg_hdr) \
1104 ((msg_hdr >> 32) & 0xFF)
1105 #define netxen_get_nic_msg_errcode(msg_hdr) \
1106 ((msg_hdr >> 16) & 0xFFFF)
1107
1108 typedef struct {
1109 union {
1110 struct {
1111 u64 hdr;
1112 u64 body[7];
1113 };
1114 u64 words[8];
1115 };
1116 } nx_fw_msg_t;
1117
1118 typedef struct {
1119 __le64 qhdr;
1120 __le64 req_hdr;
1121 __le64 words[6];
1122 } nx_nic_req_t;
1123
1124 typedef struct {
1125 u8 op;
1126 u8 tag;
1127 u8 mac_addr[6];
1128 } nx_mac_req_t;
1129
1130 #define MAX_PENDING_DESC_BLOCK_SIZE 64
1131
1132 #define NETXEN_NIC_MSI_ENABLED 0x02
1133 #define NETXEN_NIC_MSIX_ENABLED 0x04
1134 #define NETXEN_NIC_LRO_ENABLED 0x08
1135 #define NETXEN_NIC_LRO_DISABLED 0x00
1136 #define NETXEN_NIC_BRIDGE_ENABLED 0X10
1137 #define NETXEN_NIC_DIAG_ENABLED 0x20
1138 #define NETXEN_IS_MSI_FAMILY(adapter) \
1139 ((adapter)->flags & (NETXEN_NIC_MSI_ENABLED | NETXEN_NIC_MSIX_ENABLED))
1140
1141 #define MSIX_ENTRIES_PER_ADAPTER NUM_STS_DESC_RINGS
1142 #define NETXEN_MSIX_TBL_SPACE 8192
1143 #define NETXEN_PCI_REG_MSIX_TBL 0x44
1144
1145 #define NETXEN_DB_MAPSIZE_BYTES 0x1000
1146
1147 #define NETXEN_NETDEV_WEIGHT 128
1148 #define NETXEN_ADAPTER_UP_MAGIC 777
1149 #define NETXEN_NIC_PEG_TUNE 0
1150
1151 #define __NX_FW_ATTACHED 0
1152 #define __NX_DEV_UP 1
1153 #define __NX_RESETTING 2
1154
1155 struct netxen_dummy_dma {
1156 void *addr;
1157 dma_addr_t phys_addr;
1158 };
1159
1160 struct netxen_adapter {
1161 struct netxen_hardware_context ahw;
1162
1163 struct net_device *netdev;
1164 struct pci_dev *pdev;
1165 struct list_head mac_list;
1166
1167 spinlock_t tx_clean_lock;
1168
1169 u16 num_txd;
1170 u16 num_rxd;
1171 u16 num_jumbo_rxd;
1172 u16 num_lro_rxd;
1173
1174 u8 max_rds_rings;
1175 u8 max_sds_rings;
1176 u8 driver_mismatch;
1177 u8 msix_supported;
1178 u8 rx_csum;
1179 u8 pci_using_dac;
1180 u8 portnum;
1181 u8 physical_port;
1182
1183 u8 mc_enabled;
1184 u8 max_mc_count;
1185 u8 rss_supported;
1186 u8 link_changed;
1187 u8 fw_wait_cnt;
1188 u8 fw_fail_cnt;
1189 u8 tx_timeo_cnt;
1190 u8 need_fw_reset;
1191
1192 u8 has_link_events;
1193 u8 fw_type;
1194 u16 tx_context_id;
1195 u16 mtu;
1196 u16 is_up;
1197
1198 u16 link_speed;
1199 u16 link_duplex;
1200 u16 link_autoneg;
1201 u16 module_type;
1202
1203 u32 capabilities;
1204 u32 flags;
1205 u32 irq;
1206 u32 temp;
1207
1208 u32 int_vec_bit;
1209 u32 heartbit;
1210
1211 u8 mac_addr[ETH_ALEN];
1212
1213 struct netxen_adapter_stats stats;
1214
1215 struct netxen_recv_context recv_ctx;
1216 struct nx_host_tx_ring *tx_ring;
1217
1218 int (*macaddr_set) (struct netxen_adapter *, u8 *);
1219 int (*set_mtu) (struct netxen_adapter *, int);
1220 int (*set_promisc) (struct netxen_adapter *, u32);
1221 void (*set_multi) (struct net_device *);
1222 int (*phy_read) (struct netxen_adapter *, u32 reg, u32 *);
1223 int (*phy_write) (struct netxen_adapter *, u32 reg, u32 val);
1224 int (*init_port) (struct netxen_adapter *, int);
1225 int (*stop_port) (struct netxen_adapter *);
1226
1227 u32 (*crb_read)(struct netxen_adapter *, ulong);
1228 int (*crb_write)(struct netxen_adapter *, ulong, u32);
1229
1230 int (*pci_mem_read)(struct netxen_adapter *, u64, u64 *);
1231 int (*pci_mem_write)(struct netxen_adapter *, u64, u64);
1232
1233 int (*pci_set_window)(struct netxen_adapter *, u64, u32 *);
1234
1235 u32 (*io_read)(struct netxen_adapter *, void __iomem *);
1236 void (*io_write)(struct netxen_adapter *, void __iomem *, u32);
1237
1238 void __iomem *tgt_mask_reg;
1239 void __iomem *pci_int_reg;
1240 void __iomem *tgt_status_reg;
1241 void __iomem *crb_int_state_reg;
1242 void __iomem *isr_int_vec;
1243
1244 struct msix_entry msix_entries[MSIX_ENTRIES_PER_ADAPTER];
1245
1246 struct netxen_dummy_dma dummy_dma;
1247
1248 struct delayed_work fw_work;
1249
1250 struct work_struct tx_timeout_task;
1251
1252 nx_nic_intr_coalesce_t coal;
1253
1254 unsigned long state;
1255 __le32 file_prd_off; /*File fw product offset*/
1256 u32 fw_version;
1257 const struct firmware *fw;
1258 };
1259
1260 int nx_fw_cmd_query_phy(struct netxen_adapter *adapter, u32 reg, u32 *val);
1261 int nx_fw_cmd_set_phy(struct netxen_adapter *adapter, u32 reg, u32 val);
1262
1263 #define NXRD32(adapter, off) \
1264 (adapter->crb_read(adapter, off))
1265 #define NXWR32(adapter, off, val) \
1266 (adapter->crb_write(adapter, off, val))
1267 #define NXRDIO(adapter, addr) \
1268 (adapter->io_read(adapter, addr))
1269 #define NXWRIO(adapter, addr, val) \
1270 (adapter->io_write(adapter, addr, val))
1271
1272 int netxen_pcie_sem_lock(struct netxen_adapter *, int, u32);
1273 void netxen_pcie_sem_unlock(struct netxen_adapter *, int);
1274
1275 #define netxen_rom_lock(a) \
1276 netxen_pcie_sem_lock((a), 2, NETXEN_ROM_LOCK_ID)
1277 #define netxen_rom_unlock(a) \
1278 netxen_pcie_sem_unlock((a), 2)
1279 #define netxen_phy_lock(a) \
1280 netxen_pcie_sem_lock((a), 3, NETXEN_PHY_LOCK_ID)
1281 #define netxen_phy_unlock(a) \
1282 netxen_pcie_sem_unlock((a), 3)
1283 #define netxen_api_lock(a) \
1284 netxen_pcie_sem_lock((a), 5, 0)
1285 #define netxen_api_unlock(a) \
1286 netxen_pcie_sem_unlock((a), 5)
1287 #define netxen_sw_lock(a) \
1288 netxen_pcie_sem_lock((a), 6, 0)
1289 #define netxen_sw_unlock(a) \
1290 netxen_pcie_sem_unlock((a), 6)
1291 #define crb_win_lock(a) \
1292 netxen_pcie_sem_lock((a), 7, NETXEN_CRB_WIN_LOCK_ID)
1293 #define crb_win_unlock(a) \
1294 netxen_pcie_sem_unlock((a), 7)
1295
1296 int netxen_nic_get_board_info(struct netxen_adapter *adapter);
1297 int netxen_nic_wol_supported(struct netxen_adapter *adapter);
1298
1299 /* Functions from netxen_nic_init.c */
1300 int netxen_init_dummy_dma(struct netxen_adapter *adapter);
1301 void netxen_free_dummy_dma(struct netxen_adapter *adapter);
1302
1303 int netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val);
1304 int netxen_load_firmware(struct netxen_adapter *adapter);
1305 int netxen_need_fw_reset(struct netxen_adapter *adapter);
1306 void netxen_request_firmware(struct netxen_adapter *adapter);
1307 void netxen_release_firmware(struct netxen_adapter *adapter);
1308 int netxen_pinit_from_rom(struct netxen_adapter *adapter);
1309
1310 int netxen_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp);
1311 int netxen_rom_fast_read_words(struct netxen_adapter *adapter, int addr,
1312 u8 *bytes, size_t size);
1313 int netxen_rom_fast_write_words(struct netxen_adapter *adapter, int addr,
1314 u8 *bytes, size_t size);
1315 int netxen_flash_unlock(struct netxen_adapter *adapter);
1316 int netxen_backup_crbinit(struct netxen_adapter *adapter);
1317 int netxen_flash_erase_secondary(struct netxen_adapter *adapter);
1318 int netxen_flash_erase_primary(struct netxen_adapter *adapter);
1319 void netxen_halt_pegs(struct netxen_adapter *adapter);
1320
1321 int netxen_rom_se(struct netxen_adapter *adapter, int addr);
1322
1323 int netxen_alloc_sw_resources(struct netxen_adapter *adapter);
1324 void netxen_free_sw_resources(struct netxen_adapter *adapter);
1325
1326 void netxen_setup_hwops(struct netxen_adapter *adapter);
1327 void __iomem *netxen_get_ioaddr(struct netxen_adapter *, u32);
1328
1329 int netxen_alloc_hw_resources(struct netxen_adapter *adapter);
1330 void netxen_free_hw_resources(struct netxen_adapter *adapter);
1331
1332 void netxen_release_rx_buffers(struct netxen_adapter *adapter);
1333 void netxen_release_tx_buffers(struct netxen_adapter *adapter);
1334
1335 int netxen_init_firmware(struct netxen_adapter *adapter);
1336 void netxen_nic_clear_stats(struct netxen_adapter *adapter);
1337 void netxen_watchdog_task(struct work_struct *work);
1338 void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ringid,
1339 struct nx_host_rds_ring *rds_ring);
1340 int netxen_process_cmd_ring(struct netxen_adapter *adapter);
1341 int netxen_process_rcv_ring(struct nx_host_sds_ring *sds_ring, int max);
1342
1343 void netxen_p3_free_mac_list(struct netxen_adapter *adapter);
1344 int netxen_config_intr_coalesce(struct netxen_adapter *adapter);
1345 int netxen_config_rss(struct netxen_adapter *adapter, int enable);
1346 int netxen_config_ipaddr(struct netxen_adapter *adapter, u32 ip, int cmd);
1347 int netxen_linkevent_request(struct netxen_adapter *adapter, int enable);
1348 void netxen_advert_link_change(struct netxen_adapter *adapter, int linkup);
1349 void netxen_pci_camqm_read_2M(struct netxen_adapter *, u64, u64 *);
1350 void netxen_pci_camqm_write_2M(struct netxen_adapter *, u64, u64);
1351
1352 int nx_fw_cmd_set_mtu(struct netxen_adapter *adapter, int mtu);
1353 int netxen_nic_change_mtu(struct net_device *netdev, int new_mtu);
1354 int netxen_config_hw_lro(struct netxen_adapter *adapter, int enable);
1355 int netxen_config_bridged_mode(struct netxen_adapter *adapter, int enable);
1356 int netxen_send_lro_cleanup(struct netxen_adapter *adapter);
1357
1358 void netxen_nic_update_cmd_producer(struct netxen_adapter *adapter,
1359 struct nx_host_tx_ring *tx_ring);
1360
1361 /* Functions from netxen_nic_main.c */
1362 int netxen_nic_reset_context(struct netxen_adapter *);
1363
1364 /*
1365 * NetXen Board information
1366 */
1367
1368 #define NETXEN_MAX_SHORT_NAME 32
1369 struct netxen_brdinfo {
1370 int brdtype; /* type of board */
1371 long ports; /* max no of physical ports */
1372 char short_name[NETXEN_MAX_SHORT_NAME];
1373 };
1374
1375 static const struct netxen_brdinfo netxen_boards[] = {
1376 {NETXEN_BRDTYPE_P2_SB31_10G_CX4, 1, "XGb CX4"},
1377 {NETXEN_BRDTYPE_P2_SB31_10G_HMEZ, 1, "XGb HMEZ"},
1378 {NETXEN_BRDTYPE_P2_SB31_10G_IMEZ, 2, "XGb IMEZ"},
1379 {NETXEN_BRDTYPE_P2_SB31_10G, 1, "XGb XFP"},
1380 {NETXEN_BRDTYPE_P2_SB35_4G, 4, "Quad Gb"},
1381 {NETXEN_BRDTYPE_P2_SB31_2G, 2, "Dual Gb"},
1382 {NETXEN_BRDTYPE_P3_REF_QG, 4, "Reference Quad Gig "},
1383 {NETXEN_BRDTYPE_P3_HMEZ, 2, "Dual XGb HMEZ"},
1384 {NETXEN_BRDTYPE_P3_10G_CX4_LP, 2, "Dual XGb CX4 LP"},
1385 {NETXEN_BRDTYPE_P3_4_GB, 4, "Quad Gig LP"},
1386 {NETXEN_BRDTYPE_P3_IMEZ, 2, "Dual XGb IMEZ"},
1387 {NETXEN_BRDTYPE_P3_10G_SFP_PLUS, 2, "Dual XGb SFP+ LP"},
1388 {NETXEN_BRDTYPE_P3_10000_BASE_T, 1, "XGB 10G BaseT LP"},
1389 {NETXEN_BRDTYPE_P3_XG_LOM, 2, "Dual XGb LOM"},
1390 {NETXEN_BRDTYPE_P3_4_GB_MM, 4, "NX3031 Gigabit Ethernet"},
1391 {NETXEN_BRDTYPE_P3_10G_SFP_CT, 2, "NX3031 10 Gigabit Ethernet"},
1392 {NETXEN_BRDTYPE_P3_10G_SFP_QT, 2, "Quanta Dual XGb SFP+"},
1393 {NETXEN_BRDTYPE_P3_10G_CX4, 2, "Reference Dual CX4 Option"},
1394 {NETXEN_BRDTYPE_P3_10G_XFP, 1, "Reference Single XFP Option"}
1395 };
1396
1397 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(netxen_boards)
1398
1399 static inline void get_brd_name_by_type(u32 type, char *name)
1400 {
1401 int i, found = 0;
1402 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
1403 if (netxen_boards[i].brdtype == type) {
1404 strcpy(name, netxen_boards[i].short_name);
1405 found = 1;
1406 break;
1407 }
1408
1409 }
1410 if (!found)
1411 name = "Unknown";
1412 }
1413
1414 static inline u32 netxen_tx_avail(struct nx_host_tx_ring *tx_ring)
1415 {
1416 smp_mb();
1417 return find_diff_among(tx_ring->producer,
1418 tx_ring->sw_consumer, tx_ring->num_desc);
1419
1420 }
1421
1422 int netxen_get_flash_mac_addr(struct netxen_adapter *adapter, u64 *mac);
1423 int netxen_p3_get_mac_addr(struct netxen_adapter *adapter, u64 *mac);
1424 extern void netxen_change_ringparam(struct netxen_adapter *adapter);
1425 extern int netxen_rom_fast_read(struct netxen_adapter *adapter, int addr,
1426 int *valp);
1427
1428 extern const struct ethtool_ops netxen_nic_ethtool_ops;
1429
1430 #endif /* __NETXEN_NIC_H_ */
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