aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/qlcnic/qlcnic.h
blob: c8caec90b31b53ad84517c037febd6e424621204 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
/*
 * Copyright (C) 2009 - QLogic Corporation.
 * All rights reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
 * MA  02111-1307, USA.
 *
 * The full GNU General Public License is included in this distribution
 * in the file called "COPYING".
 *
 */

#ifndef _QLCNIC_H_
#define _QLCNIC_H_

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/ioport.h>
#include <linux/pci.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/ip.h>
#include <linux/in.h>
#include <linux/tcp.h>
#include <linux/skbuff.h>
#include <linux/firmware.h>

#include <linux/ethtool.h>
#include <linux/mii.h>
#include <linux/timer.h>

#include <linux/vmalloc.h>

#include <linux/io.h>
#include <asm/byteorder.h>

#include "qlcnic_hdr.h"

#define _QLCNIC_LINUX_MAJOR 5
#define _QLCNIC_LINUX_MINOR 0
#define _QLCNIC_LINUX_SUBVERSION 9
#define QLCNIC_LINUX_VERSIONID  "5.0.9"
#define QLCNIC_DRV_IDC_VER  0x01
#define QLCNIC_DRIVER_VERSION  ((_QLCNIC_LINUX_MAJOR << 16) |\
		 (_QLCNIC_LINUX_MINOR << 8) | (_QLCNIC_LINUX_SUBVERSION))

#define QLCNIC_VERSION_CODE(a, b, c)	(((a) << 24) + ((b) << 16) + (c))
#define _major(v)	(((v) >> 24) & 0xff)
#define _minor(v)	(((v) >> 16) & 0xff)
#define _build(v)	((v) & 0xffff)

/* version in image has weird encoding:
 *  7:0  - major
 * 15:8  - minor
 * 31:16 - build (little endian)
 */
#define QLCNIC_DECODE_VERSION(v) \
	QLCNIC_VERSION_CODE(((v) & 0xff), (((v) >> 8) & 0xff), ((v) >> 16))

#define QLCNIC_MIN_FW_VERSION     QLCNIC_VERSION_CODE(4, 4, 2)
#define QLCNIC_NUM_FLASH_SECTORS (64)
#define QLCNIC_FLASH_SECTOR_SIZE (64 * 1024)
#define QLCNIC_FLASH_TOTAL_SIZE  (QLCNIC_NUM_FLASH_SECTORS \
					* QLCNIC_FLASH_SECTOR_SIZE)

#define RCV_DESC_RINGSIZE(rds_ring)	\
	(sizeof(struct rcv_desc) * (rds_ring)->num_desc)
#define RCV_BUFF_RINGSIZE(rds_ring)	\
	(sizeof(struct qlcnic_rx_buffer) * rds_ring->num_desc)
#define STATUS_DESC_RINGSIZE(sds_ring)	\
	(sizeof(struct status_desc) * (sds_ring)->num_desc)
#define TX_BUFF_RINGSIZE(tx_ring)	\
	(sizeof(struct qlcnic_cmd_buffer) * tx_ring->num_desc)
#define TX_DESC_RINGSIZE(tx_ring)	\
	(sizeof(struct cmd_desc_type0) * tx_ring->num_desc)

#define QLCNIC_P3P_A0		0x50

#define QLCNIC_IS_REVISION_P3P(REVISION)     (REVISION >= QLCNIC_P3P_A0)

#define FIRST_PAGE_GROUP_START	0
#define FIRST_PAGE_GROUP_END	0x100000

#define P3_MAX_MTU                     (9600)
#define QLCNIC_MAX_ETHERHDR                32 /* This contains some padding */

#define QLCNIC_P3_RX_BUF_MAX_LEN         (QLCNIC_MAX_ETHERHDR + ETH_DATA_LEN)
#define QLCNIC_P3_RX_JUMBO_BUF_MAX_LEN   (QLCNIC_MAX_ETHERHDR + P3_MAX_MTU)
#define QLCNIC_CT_DEFAULT_RX_BUF_LEN	2048
#define QLCNIC_LRO_BUFFER_EXTRA		2048

/* Opcodes to be used with the commands */
#define TX_ETHER_PKT	0x01
#define TX_TCP_PKT	0x02
#define TX_UDP_PKT	0x03
#define TX_IP_PKT	0x04
#define TX_TCP_LSO	0x05
#define TX_TCP_LSO6	0x06
#define TX_IPSEC	0x07
#define TX_IPSEC_CMD	0x0a
#define TX_TCPV6_PKT	0x0b
#define TX_UDPV6_PKT	0x0c

/* Tx defines */
#define MAX_TSO_HEADER_DESC	2
#define MGMT_CMD_DESC_RESV	4
#define TX_STOP_THRESH		((MAX_SKB_FRAGS >> 2) + MAX_TSO_HEADER_DESC \
							+ MGMT_CMD_DESC_RESV)
#define QLCNIC_MAX_TX_TIMEOUTS	2

/*
 * Following are the states of the Phantom. Phantom will set them and
 * Host will read to check if the fields are correct.
 */
#define PHAN_INITIALIZE_FAILED		0xffff
#define PHAN_INITIALIZE_COMPLETE	0xff01

/* Host writes the following to notify that it has done the init-handshake */
#define PHAN_INITIALIZE_ACK		0xf00f
#define PHAN_PEG_RCV_INITIALIZED	0xff01

#define NUM_RCV_DESC_RINGS	3
#define NUM_STS_DESC_RINGS	4

#define RCV_RING_NORMAL 0
#define RCV_RING_JUMBO	1

#define MIN_CMD_DESCRIPTORS		64
#define MIN_RCV_DESCRIPTORS		64
#define MIN_JUMBO_DESCRIPTORS		32

#define MAX_CMD_DESCRIPTORS		1024
#define MAX_RCV_DESCRIPTORS_1G		4096
#define MAX_RCV_DESCRIPTORS_10G 	8192
#define MAX_JUMBO_RCV_DESCRIPTORS_1G	512
#define MAX_JUMBO_RCV_DESCRIPTORS_10G	1024

#define DEFAULT_RCV_DESCRIPTORS_1G	2048
#define DEFAULT_RCV_DESCRIPTORS_10G	4096
#define MAX_RDS_RINGS                   2

#define get_next_index(index, length)	\
	(((index) + 1) & ((length) - 1))

/*
 * Following data structures describe the descriptors that will be used.
 * Added fileds of tcpHdrSize and ipHdrSize, The driver needs to do it only when
 * we are doing LSO (above the 1500 size packet) only.
 */

#define FLAGS_VLAN_TAGGED	0x10
#define FLAGS_VLAN_OOB		0x40

#define qlcnic_set_tx_vlan_tci(cmd_desc, v)	\
	(cmd_desc)->vlan_TCI = cpu_to_le16(v);
#define qlcnic_set_cmd_desc_port(cmd_desc, var)	\
	((cmd_desc)->port_ctxid |= ((var) & 0x0F))
#define qlcnic_set_cmd_desc_ctxid(cmd_desc, var)	\
	((cmd_desc)->port_ctxid |= ((var) << 4 & 0xF0))

#define qlcnic_set_tx_port(_desc, _port) \
	((_desc)->port_ctxid = ((_port) & 0xf) | (((_port) << 4) & 0xf0))

#define qlcnic_set_tx_flags_opcode(_desc, _flags, _opcode) \
	((_desc)->flags_opcode |= \
	cpu_to_le16(((_flags) & 0x7f) | (((_opcode) & 0x3f) << 7)))

#define qlcnic_set_tx_frags_len(_desc, _frags, _len) \
	((_desc)->nfrags__length = \
	cpu_to_le32(((_frags) & 0xff) | (((_len) & 0xffffff) << 8)))

struct cmd_desc_type0 {
	u8 tcp_hdr_offset;	/* For LSO only */
	u8 ip_hdr_offset;	/* For LSO only */
	__le16 flags_opcode;	/* 15:13 unused, 12:7 opcode, 6:0 flags */
	__le32 nfrags__length;	/* 31:8 total len, 7:0 frag count */

	__le64 addr_buffer2;

	__le16 reference_handle;
	__le16 mss;
	u8 port_ctxid;		/* 7:4 ctxid 3:0 port */
	u8 total_hdr_length;	/* LSO only : MAC+IP+TCP Hdr size */
	__le16 conn_id;		/* IPSec offoad only */

	__le64 addr_buffer3;
	__le64 addr_buffer1;

	__le16 buffer_length[4];

	__le64 addr_buffer4;

	u8 eth_addr[ETH_ALEN];
	__le16 vlan_TCI;

} __attribute__ ((aligned(64)));

/* Note: sizeof(rcv_desc) should always be a mutliple of 2 */
struct rcv_desc {
	__le16 reference_handle;
	__le16 reserved;
	__le32 buffer_length;	/* allocated buffer length (usually 2K) */
	__le64 addr_buffer;
};

/* opcode field in status_desc */
#define QLCNIC_SYN_OFFLOAD	0x03
#define QLCNIC_RXPKT_DESC  	0x04
#define QLCNIC_OLD_RXPKT_DESC	0x3f
#define QLCNIC_RESPONSE_DESC	0x05
#define QLCNIC_LRO_DESC  	0x12

/* for status field in status_desc */
#define STATUS_CKSUM_LOOP	0
#define STATUS_CKSUM_OK		2

/* owner bits of status_desc */
#define STATUS_OWNER_HOST	(0x1ULL << 56)
#define STATUS_OWNER_PHANTOM	(0x2ULL << 56)

/* Status descriptor:
   0-3 port, 4-7 status, 8-11 type, 12-27 total_length
   28-43 reference_handle, 44-47 protocol, 48-52 pkt_offset
   53-55 desc_cnt, 56-57 owner, 58-63 opcode
 */
#define qlcnic_get_sts_port(sts_data)	\
	((sts_data) & 0x0F)
#define qlcnic_get_sts_status(sts_data)	\
	(((sts_data) >> 4) & 0x0F)
#define qlcnic_get_sts_type(sts_data)	\
	(((sts_data) >> 8) & 0x0F)
#define qlcnic_get_sts_totallength(sts_data)	\
	(((sts_data) >> 12) & 0xFFFF)
#define qlcnic_get_sts_refhandle(sts_data)	\
	(((sts_data) >> 28) & 0xFFFF)
#define qlcnic_get_sts_prot(sts_data)	\
	(((sts_data) >> 44) & 0x0F)
#define qlcnic_get_sts_pkt_offset(sts_data)	\
	(((sts_data) >> 48) & 0x1F)
#define qlcnic_get_sts_desc_cnt(sts_data)	\
	(((sts_data) >> 53) & 0x7)
#define qlcnic_get_sts_opcode(sts_data)	\
	(((sts_data) >> 58) & 0x03F)

#define qlcnic_get_lro_sts_refhandle(sts_data) 	\
	((sts_data) & 0x0FFFF)
#define qlcnic_get_lro_sts_length(sts_data)	\
	(((sts_data) >> 16) & 0x0FFFF)
#define qlcnic_get_lro_sts_l2_hdr_offset(sts_data)	\
	(((sts_data) >> 32) & 0x0FF)
#define qlcnic_get_lro_sts_l4_hdr_offset(sts_data)	\
	(((sts_data) >> 40) & 0x0FF)
#define qlcnic_get_lro_sts_timestamp(sts_data)	\
	(((sts_data) >> 48) & 0x1)
#define qlcnic_get_lro_sts_type(sts_data)	\
	(((sts_data) >> 49) & 0x7)
#define qlcnic_get_lro_sts_push_flag(sts_data)		\
	(((sts_data) >> 52) & 0x1)
#define qlcnic_get_lro_sts_seq_number(sts_data)		\
	((sts_data) & 0x0FFFFFFFF)


struct status_desc {
	__le64 status_desc_data[2];
} __attribute__ ((aligned(16)));

/* UNIFIED ROMIMAGE */
#define QLCNIC_UNI_FW_MIN_SIZE		0xc8000
#define QLCNIC_UNI_DIR_SECT_PRODUCT_TBL	0x0
#define QLCNIC_UNI_DIR_SECT_BOOTLD	0x6
#define QLCNIC_UNI_DIR_SECT_FW		0x7

/*Offsets */
#define QLCNIC_UNI_CHIP_REV_OFF		10
#define QLCNIC_UNI_FLAGS_OFF		11
#define QLCNIC_UNI_BIOS_VERSION_OFF 	12
#define QLCNIC_UNI_BOOTLD_IDX_OFF	27
#define QLCNIC_UNI_FIRMWARE_IDX_OFF 	29

struct uni_table_desc{
	u32	findex;
	u32	num_entries;
	u32	entry_size;
	u32	reserved[5];
};

struct uni_data_desc{
	u32	findex;
	u32	size;
	u32	reserved[5];
};

/* Magic number to let user know flash is programmed */
#define	QLCNIC_BDINFO_MAGIC 0x12345678

#define QLCNIC_BRDTYPE_P3_REF_QG	0x0021
#define QLCNIC_BRDTYPE_P3_HMEZ		0x0022
#define QLCNIC_BRDTYPE_P3_10G_CX4_LP	0x0023
#define QLCNIC_BRDTYPE_P3_4_GB		0x0024
#define QLCNIC_BRDTYPE_P3_IMEZ		0x0025
#define QLCNIC_BRDTYPE_P3_10G_SFP_PLUS	0x0026
#define QLCNIC_BRDTYPE_P3_10000_BASE_T	0x0027
#define QLCNIC_BRDTYPE_P3_XG_LOM	0x0028
#define QLCNIC_BRDTYPE_P3_4_GB_MM	0x0029
#define QLCNIC_BRDTYPE_P3_10G_SFP_CT	0x002a
#define QLCNIC_BRDTYPE_P3_10G_SFP_QT	0x002b
#define QLCNIC_BRDTYPE_P3_10G_CX4	0x0031
#define QLCNIC_BRDTYPE_P3_10G_XFP	0x0032
#define QLCNIC_BRDTYPE_P3_10G_TP	0x0080

#define QLCNIC_MSIX_TABLE_OFFSET	0x44

/* Flash memory map */
#define QLCNIC_BRDCFG_START	0x4000		/* board config */
#define QLCNIC_BOOTLD_START	0x10000		/* bootld */
#define QLCNIC_IMAGE_START	0x43000		/* compressed image */
#define QLCNIC_USER_START	0x3E8000	/* Firmare info */

#define QLCNIC_FW_VERSION_OFFSET	(QLCNIC_USER_START+0x408)
#define QLCNIC_FW_SIZE_OFFSET		(QLCNIC_USER_START+0x40c)
#define QLCNIC_FW_SERIAL_NUM_OFFSET	(QLCNIC_USER_START+0x81c)
#define QLCNIC_BIOS_VERSION_OFFSET	(QLCNIC_USER_START+0x83c)

#define QLCNIC_BRDTYPE_OFFSET		(QLCNIC_BRDCFG_START+0x8)
#define QLCNIC_FW_MAGIC_OFFSET		(QLCNIC_BRDCFG_START+0x128)

#define QLCNIC_FW_MIN_SIZE		(0x3fffff)
#define QLCNIC_UNIFIED_ROMIMAGE  	0
#define QLCNIC_FLASH_ROMIMAGE		1
#define QLCNIC_UNKNOWN_ROMIMAGE		0xff

#define QLCNIC_UNIFIED_ROMIMAGE_NAME	"phanfw.bin"
#define QLCNIC_FLASH_ROMIMAGE_NAME	"flash"

extern char qlcnic_driver_name[];

/* Number of status descriptors to handle per interrupt */
#define MAX_STATUS_HANDLE	(64)

/*
 * qlcnic_skb_frag{} is to contain mapping info for each SG list. This
 * has to be freed when DMA is complete. This is part of qlcnic_tx_buffer{}.
 */
struct qlcnic_skb_frag {
	u64 dma;
	u64 length;
};

struct qlcnic_recv_crb {
	u32 crb_rcv_producer[NUM_RCV_DESC_RINGS];
	u32 crb_sts_consumer[NUM_STS_DESC_RINGS];
	u32 sw_int_mask[NUM_STS_DESC_RINGS];
};

/*    Following defines are for the state of the buffers    */
#define	QLCNIC_BUFFER_FREE	0
#define	QLCNIC_BUFFER_BUSY	1

/*
 * There will be one qlcnic_buffer per skb packet.    These will be
 * used to save the dma info for pci_unmap_page()
 */
struct qlcnic_cmd_buffer {
	struct sk_buff *skb;
	struct qlcnic_skb_frag frag_array[MAX_SKB_FRAGS + 1];
	u32 frag_count;
};

/* In rx_buffer, we do not need multiple fragments as is a single buffer */
struct qlcnic_rx_buffer {
	struct list_head list;
	struct sk_buff *skb;
	u64 dma;
	u16 ref_handle;
};

/* Board types */
#define	QLCNIC_GBE	0x01
#define	QLCNIC_XGBE	0x02

/*
 * One hardware_context{} per adapter
 * contains interrupt info as well shared hardware info.
 */
struct qlcnic_hardware_context {
	void __iomem *pci_base0;
	void __iomem *ocm_win_crb;

	unsigned long pci_len0;

	rwlock_t crb_lock;
	struct mutex mem_lock;

	u8 revision_id;
	u8 pci_func;
	u8 linkup;
	u16 port_type;
	u16 board_type;
};

struct qlcnic_adapter_stats {
	u64  xmitcalled;
	u64  xmitfinished;
	u64  rxdropped;
	u64  txdropped;
	u64  csummed;
	u64  rx_pkts;
	u64  lro_pkts;
	u64  rxbytes;
	u64  txbytes;
	u64  lrobytes;
	u64  lso_frames;
	u64  xmit_on;
	u64  xmit_off;
	u64  skb_alloc_failure;
	u64  null_rxbuf;
	u64  rx_dma_map_error;
	u64  tx_dma_map_error;
};

/*
 * Rcv Descriptor Context. One such per Rcv Descriptor. There may
 * be one Rcv Descriptor for normal packets, one for jumbo and may be others.
 */
struct qlcnic_host_rds_ring {
	u32 producer;
	u32 num_desc;
	u32 dma_size;
	u32 skb_size;
	u32 flags;
	void __iomem *crb_rcv_producer;
	struct rcv_desc *desc_head;
	struct qlcnic_rx_buffer *rx_buf_arr;
	struct list_head free_list;
	spinlock_t lock;
	dma_addr_t phys_addr;
};

struct qlcnic_host_sds_ring {
	u32 consumer;
	u32 num_desc;
	void __iomem *crb_sts_consumer;
	void __iomem *crb_intr_mask;

	struct status_desc *desc_head;
	struct qlcnic_adapter *adapter;
	struct napi_struct napi;
	struct list_head free_list[NUM_RCV_DESC_RINGS];

	int irq;

	dma_addr_t phys_addr;
	char name[IFNAMSIZ+4];
};

struct qlcnic_host_tx_ring {
	u32 producer;
	__le32 *hw_consumer;
	u32 sw_consumer;
	void __iomem *crb_cmd_producer;
	u32 num_desc;

	struct netdev_queue *txq;

	struct qlcnic_cmd_buffer *cmd_buf_arr;
	struct cmd_desc_type0 *desc_head;
	dma_addr_t phys_addr;
	dma_addr_t hw_cons_phys_addr;
};

/*
 * Receive context. There is one such structure per instance of the
 * receive processing. Any state information that is relevant to
 * the receive, and is must be in this structure. The global data may be
 * present elsewhere.
 */
struct qlcnic_recv_context {
	u32 state;
	u16 context_id;
	u16 virt_port;

	struct qlcnic_host_rds_ring *rds_rings;
	struct qlcnic_host_sds_ring *sds_rings;
};

/* HW context creation */

#define QLCNIC_OS_CRB_RETRY_COUNT	4000
#define QLCNIC_CDRP_SIGNATURE_MAKE(pcifn, version) \
	(((pcifn) & 0xff) | (((version) & 0xff) << 8) | (0xcafe << 16))

#define QLCNIC_CDRP_CMD_BIT		0x80000000

/*
 * All responses must have the QLCNIC_CDRP_CMD_BIT cleared
 * in the crb QLCNIC_CDRP_CRB_OFFSET.
 */
#define QLCNIC_CDRP_FORM_RSP(rsp)	(rsp)
#define QLCNIC_CDRP_IS_RSP(rsp)	(((rsp) & QLCNIC_CDRP_CMD_BIT) == 0)

#define QLCNIC_CDRP_RSP_OK		0x00000001
#define QLCNIC_CDRP_RSP_FAIL		0x00000002
#define QLCNIC_CDRP_RSP_TIMEOUT 	0x00000003

/*
 * All commands must have the QLCNIC_CDRP_CMD_BIT set in
 * the crb QLCNIC_CDRP_CRB_OFFSET.
 */
#define QLCNIC_CDRP_FORM_CMD(cmd)	(QLCNIC_CDRP_CMD_BIT | (cmd))
#define QLCNIC_CDRP_IS_CMD(cmd)	(((cmd) & QLCNIC_CDRP_CMD_BIT) != 0)

#define QLCNIC_CDRP_CMD_SUBMIT_CAPABILITIES     0x00000001
#define QLCNIC_CDRP_CMD_READ_MAX_RDS_PER_CTX    0x00000002
#define QLCNIC_CDRP_CMD_READ_MAX_SDS_PER_CTX    0x00000003
#define QLCNIC_CDRP_CMD_READ_MAX_RULES_PER_CTX  0x00000004
#define QLCNIC_CDRP_CMD_READ_MAX_RX_CTX         0x00000005
#define QLCNIC_CDRP_CMD_READ_MAX_TX_CTX         0x00000006
#define QLCNIC_CDRP_CMD_CREATE_RX_CTX           0x00000007
#define QLCNIC_CDRP_CMD_DESTROY_RX_CTX          0x00000008
#define QLCNIC_CDRP_CMD_CREATE_TX_CTX           0x00000009
#define QLCNIC_CDRP_CMD_DESTROY_TX_CTX          0x0000000a
#define QLCNIC_CDRP_CMD_SETUP_STATISTICS        0x0000000e
#define QLCNIC_CDRP_CMD_GET_STATISTICS          0x0000000f
#define QLCNIC_CDRP_CMD_DELETE_STATISTICS       0x00000010
#define QLCNIC_CDRP_CMD_SET_MTU                 0x00000012
#define QLCNIC_CDRP_CMD_READ_PHY		0x00000013
#define QLCNIC_CDRP_CMD_WRITE_PHY		0x00000014
#define QLCNIC_CDRP_CMD_READ_HW_REG		0x00000015
#define QLCNIC_CDRP_CMD_GET_FLOW_CTL		0x00000016
#define QLCNIC_CDRP_CMD_SET_FLOW_CTL		0x00000017
#define QLCNIC_CDRP_CMD_READ_MAX_MTU		0x00000018
#define QLCNIC_CDRP_CMD_READ_MAX_LRO		0x00000019
#define QLCNIC_CDRP_CMD_CONFIGURE_TOE		0x0000001a
#define QLCNIC_CDRP_CMD_FUNC_ATTRIB		0x0000001b
#define QLCNIC_CDRP_CMD_READ_PEXQ_PARAMETERS	0x0000001c
#define QLCNIC_CDRP_CMD_GET_LIC_CAPABILITIES	0x0000001d
#define QLCNIC_CDRP_CMD_READ_MAX_LRO_PER_BOARD	0x0000001e
#define QLCNIC_CDRP_CMD_MAC_ADDRESS		0x0000001f

#define QLCNIC_CDRP_CMD_GET_PCI_INFO		0x00000020
#define QLCNIC_CDRP_CMD_GET_NIC_INFO		0x00000021
#define QLCNIC_CDRP_CMD_SET_NIC_INFO		0x00000022
#define QLCNIC_CDRP_CMD_RESET_NPAR		0x00000023
#define QLCNIC_CDRP_CMD_GET_ESWITCH_CAPABILITY	0x00000024
#define QLCNIC_CDRP_CMD_TOGGLE_ESWITCH		0x00000025
#define QLCNIC_CDRP_CMD_GET_ESWITCH_STATUS	0x00000026
#define QLCNIC_CDRP_CMD_SET_PORTMIRRORING	0x00000027
#define QLCNIC_CDRP_CMD_CONFIGURE_ESWITCH	0x00000028
#define QLCNIC_CDRP_CMD_GET_ESWITCH_PORT_CONFIG	0x00000029
#define QLCNIC_CDRP_CMD_GET_ESWITCH_STATS	0x0000002a

#define QLCNIC_RCODE_SUCCESS		0
#define QLCNIC_RCODE_TIMEOUT		17
#define QLCNIC_DESTROY_CTX_RESET	0

/*
 * Capabilities Announced
 */
#define QLCNIC_CAP0_LEGACY_CONTEXT	(1)
#define QLCNIC_CAP0_LEGACY_MN		(1 << 2)
#define QLCNIC_CAP0_LSO 		(1 << 6)
#define QLCNIC_CAP0_JUMBO_CONTIGUOUS	(1 << 7)
#define QLCNIC_CAP0_LRO_CONTIGUOUS	(1 << 8)
#define QLCNIC_CAP0_VALIDOFF		(1 << 11)

/*
 * Context state
 */
#define QLCNIC_HOST_CTX_STATE_FREED	0
#define QLCNIC_HOST_CTX_STATE_ACTIVE	2

/*
 * Rx context
 */

struct qlcnic_hostrq_sds_ring {
	__le64 host_phys_addr;	/* Ring base addr */
	__le32 ring_size;		/* Ring entries */
	__le16 msi_index;
	__le16 rsvd;		/* Padding */
};

struct qlcnic_hostrq_rds_ring {
	__le64 host_phys_addr;	/* Ring base addr */
	__le64 buff_size;		/* Packet buffer size */
	__le32 ring_size;		/* Ring entries */
	__le32 ring_kind;		/* Class of ring */
};

struct qlcnic_hostrq_rx_ctx {
	__le64 host_rsp_dma_addr;	/* Response dma'd here */
	__le32 capabilities[4];	/* Flag bit vector */
	__le32 host_int_crb_mode;	/* Interrupt crb usage */
	__le32 host_rds_crb_mode;	/* RDS crb usage */
	/* These ring offsets are relative to data[0] below */
	__le32 rds_ring_offset;	/* Offset to RDS config */
	__le32 sds_ring_offset;	/* Offset to SDS config */
	__le16 num_rds_rings;	/* Count of RDS rings */
	__le16 num_sds_rings;	/* Count of SDS rings */
	__le16 valid_field_offset;
	u8  txrx_sds_binding;
	u8  msix_handler;
	u8  reserved[128];      /* reserve space for future expansion*/
	/* MUST BE 64-bit aligned.
	   The following is packed:
	   - N hostrq_rds_rings
	   - N hostrq_sds_rings */
	char data[0];
};

struct qlcnic_cardrsp_rds_ring{
	__le32 host_producer_crb;	/* Crb to use */
	__le32 rsvd1;		/* Padding */
};

struct qlcnic_cardrsp_sds_ring {
	__le32 host_consumer_crb;	/* Crb to use */
	__le32 interrupt_crb;	/* Crb to use */
};

struct qlcnic_cardrsp_rx_ctx {
	/* These ring offsets are relative to data[0] below */
	__le32 rds_ring_offset;	/* Offset to RDS config */
	__le32 sds_ring_offset;	/* Offset to SDS config */
	__le32 host_ctx_state;	/* Starting State */
	__le32 num_fn_per_port;	/* How many PCI fn share the port */
	__le16 num_rds_rings;	/* Count of RDS rings */
	__le16 num_sds_rings;	/* Count of SDS rings */
	__le16 context_id;		/* Handle for context */
	u8  phys_port;		/* Physical id of port */
	u8  virt_port;		/* Virtual/Logical id of port */
	u8  reserved[128];	/* save space for future expansion */
	/*  MUST BE 64-bit aligned.
	   The following is packed:
	   - N cardrsp_rds_rings
	   - N cardrs_sds_rings */
	char data[0];
};

#define SIZEOF_HOSTRQ_RX(HOSTRQ_RX, rds_rings, sds_rings)	\
	(sizeof(HOSTRQ_RX) + 					\
	(rds_rings)*(sizeof(struct qlcnic_hostrq_rds_ring)) +		\
	(sds_rings)*(sizeof(struct qlcnic_hostrq_sds_ring)))

#define SIZEOF_CARDRSP_RX(CARDRSP_RX, rds_rings, sds_rings) 	\
	(sizeof(CARDRSP_RX) + 					\
	(rds_rings)*(sizeof(struct qlcnic_cardrsp_rds_ring)) + 		\
	(sds_rings)*(sizeof(struct qlcnic_cardrsp_sds_ring)))

/*
 * Tx context
 */

struct qlcnic_hostrq_cds_ring {
	__le64 host_phys_addr;	/* Ring base addr */
	__le32 ring_size;		/* Ring entries */
	__le32 rsvd;		/* Padding */
};

struct qlcnic_hostrq_tx_ctx {
	__le64 host_rsp_dma_addr;	/* Response dma'd here */
	__le64 cmd_cons_dma_addr;	/*  */
	__le64 dummy_dma_addr;	/*  */
	__le32 capabilities[4];	/* Flag bit vector */
	__le32 host_int_crb_mode;	/* Interrupt crb usage */
	__le32 rsvd1;		/* Padding */
	__le16 rsvd2;		/* Padding */
	__le16 interrupt_ctl;
	__le16 msi_index;
	__le16 rsvd3;		/* Padding */
	struct qlcnic_hostrq_cds_ring cds_ring;	/* Desc of cds ring */
	u8  reserved[128];	/* future expansion */
};

struct qlcnic_cardrsp_cds_ring {
	__le32 host_producer_crb;	/* Crb to use */
	__le32 interrupt_crb;	/* Crb to use */
};

struct qlcnic_cardrsp_tx_ctx {
	__le32 host_ctx_state;	/* Starting state */
	__le16 context_id;		/* Handle for context */
	u8  phys_port;		/* Physical id of port */
	u8  virt_port;		/* Virtual/Logical id of port */
	struct qlcnic_cardrsp_cds_ring cds_ring;	/* Card cds settings */
	u8  reserved[128];	/* future expansion */
};

#define SIZEOF_HOSTRQ_TX(HOSTRQ_TX)	(sizeof(HOSTRQ_TX))
#define SIZEOF_CARDRSP_TX(CARDRSP_TX)	(sizeof(CARDRSP_TX))

/* CRB */

#define QLCNIC_HOST_RDS_CRB_MODE_UNIQUE	0
#define QLCNIC_HOST_RDS_CRB_MODE_SHARED	1
#define QLCNIC_HOST_RDS_CRB_MODE_CUSTOM	2
#define QLCNIC_HOST_RDS_CRB_MODE_MAX	3

#define QLCNIC_HOST_INT_CRB_MODE_UNIQUE	0
#define QLCNIC_HOST_INT_CRB_MODE_SHARED	1
#define QLCNIC_HOST_INT_CRB_MODE_NORX	2
#define QLCNIC_HOST_INT_CRB_MODE_NOTX	3
#define QLCNIC_HOST_INT_CRB_MODE_NORXTX	4


/* MAC */

#define MC_COUNT_P3	38

#define QLCNIC_MAC_NOOP	0
#define QLCNIC_MAC_ADD	1
#define QLCNIC_MAC_DEL	2
#define QLCNIC_MAC_VLAN_ADD	3
#define QLCNIC_MAC_VLAN_DEL	4

struct qlcnic_mac_list_s {
	struct list_head list;
	uint8_t mac_addr[ETH_ALEN+2];
};

/*
 * Interrupt coalescing defaults. The defaults are for 1500 MTU. It is
 * adjusted based on configured MTU.
 */
#define QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US	3
#define QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS	256
#define QLCNIC_DEFAULT_INTR_COALESCE_TX_PACKETS	64
#define QLCNIC_DEFAULT_INTR_COALESCE_TX_TIME_US	4

#define QLCNIC_INTR_DEFAULT			0x04

union qlcnic_nic_intr_coalesce_data {
	struct {
		u16	rx_packets;
		u16	rx_time_us;
		u16	tx_packets;
		u16	tx_time_us;
	} data;
	u64		word;
};

struct qlcnic_nic_intr_coalesce {
	u16		stats_time_us;
	u16		rate_sample_time;
	u16		flags;
	u16		rsvd_1;
	u32		low_threshold;
	u32		high_threshold;
	union qlcnic_nic_intr_coalesce_data	normal;
	union qlcnic_nic_intr_coalesce_data	low;
	union qlcnic_nic_intr_coalesce_data	high;
	union qlcnic_nic_intr_coalesce_data	irq;
};

#define QLCNIC_HOST_REQUEST	0x13
#define QLCNIC_REQUEST		0x14

#define QLCNIC_MAC_EVENT	0x1

#define QLCNIC_IP_UP		2
#define QLCNIC_IP_DOWN		3

/*
 * Driver --> Firmware
 */
#define QLCNIC_H2C_OPCODE_START 			0
#define QLCNIC_H2C_OPCODE_CONFIG_RSS			1
#define QLCNIC_H2C_OPCODE_CONFIG_RSS_TBL		2
#define QLCNIC_H2C_OPCODE_CONFIG_INTR_COALESCE		3
#define QLCNIC_H2C_OPCODE_CONFIG_LED			4
#define QLCNIC_H2C_OPCODE_CONFIG_PROMISCUOUS		5
#define QLCNIC_H2C_OPCODE_CONFIG_L2_MAC 		6
#define QLCNIC_H2C_OPCODE_LRO_REQUEST			7
#define QLCNIC_H2C_OPCODE_GET_SNMP_STATS		8
#define QLCNIC_H2C_OPCODE_PROXY_START_REQUEST		9
#define QLCNIC_H2C_OPCODE_PROXY_STOP_REQUEST		10
#define QLCNIC_H2C_OPCODE_PROXY_SET_MTU 		11
#define QLCNIC_H2C_OPCODE_PROXY_SET_VPORT_MISS_MODE	12
#define QLCNIC_H2C_OPCODE_GET_FINGER_PRINT_REQUEST	13
#define QLCNIC_H2C_OPCODE_INSTALL_LICENSE_REQUEST	14
#define QLCNIC_H2C_OPCODE_GET_LICENSE_CAPABILITY_REQUEST	15
#define QLCNIC_H2C_OPCODE_GET_NET_STATS 		16
#define QLCNIC_H2C_OPCODE_PROXY_UPDATE_P2V		17
#define QLCNIC_H2C_OPCODE_CONFIG_IPADDR 		18
#define QLCNIC_H2C_OPCODE_CONFIG_LOOPBACK		19
#define QLCNIC_H2C_OPCODE_PROXY_STOP_DONE		20
#define QLCNIC_H2C_OPCODE_GET_LINKEVENT 		21
#define QLCNIC_C2C_OPCODE				22
#define QLCNIC_H2C_OPCODE_CONFIG_BRIDGING		23
#define QLCNIC_H2C_OPCODE_CONFIG_HW_LRO 		24
#define QLCNIC_H2C_OPCODE_LAST				25
/*
 * Firmware --> Driver
 */

#define QLCNIC_C2H_OPCODE_START 			128
#define QLCNIC_C2H_OPCODE_CONFIG_RSS_RESPONSE		129
#define QLCNIC_C2H_OPCODE_CONFIG_RSS_TBL_RESPONSE	130
#define QLCNIC_C2H_OPCODE_CONFIG_MAC_RESPONSE		131
#define QLCNIC_C2H_OPCODE_CONFIG_PROMISCUOUS_RESPONSE	132
#define QLCNIC_C2H_OPCODE_CONFIG_L2_MAC_RESPONSE	133
#define QLCNIC_C2H_OPCODE_LRO_DELETE_RESPONSE		134
#define QLCNIC_C2H_OPCODE_LRO_ADD_FAILURE_RESPONSE	135
#define QLCNIC_C2H_OPCODE_GET_SNMP_STATS		136
#define QLCNIC_C2H_OPCODE_GET_FINGER_PRINT_REPLY	137
#define QLCNIC_C2H_OPCODE_INSTALL_LICENSE_REPLY 	138
#define QLCNIC_C2H_OPCODE_GET_LICENSE_CAPABILITIES_REPLY 139
#define QLCNIC_C2H_OPCODE_GET_NET_STATS_RESPONSE	140
#define QLCNIC_C2H_OPCODE_GET_LINKEVENT_RESPONSE	141
#define QLCNIC_C2H_OPCODE_LAST				142

#define VPORT_MISS_MODE_DROP		0 /* drop all unmatched */
#define VPORT_MISS_MODE_ACCEPT_ALL	1 /* accept all packets */
#define VPORT_MISS_MODE_ACCEPT_MULTI	2 /* accept unmatched multicast */

#define QLCNIC_LRO_REQUEST_CLEANUP	4

/* Capabilites received */
#define QLCNIC_FW_CAPABILITY_TSO		BIT_1
#define QLCNIC_FW_CAPABILITY_BDG		BIT_8
#define QLCNIC_FW_CAPABILITY_FVLANTX		BIT_9
#define QLCNIC_FW_CAPABILITY_HW_LRO		BIT_10

/* module types */
#define LINKEVENT_MODULE_NOT_PRESENT			1
#define LINKEVENT_MODULE_OPTICAL_UNKNOWN		2
#define LINKEVENT_MODULE_OPTICAL_SRLR			3
#define LINKEVENT_MODULE_OPTICAL_LRM			4
#define LINKEVENT_MODULE_OPTICAL_SFP_1G 		5
#define LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLE	6
#define LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLELEN	7
#define LINKEVENT_MODULE_TWINAX 			8

#define LINKSPEED_10GBPS	10000
#define LINKSPEED_1GBPS 	1000
#define LINKSPEED_100MBPS	100
#define LINKSPEED_10MBPS	10

#define LINKSPEED_ENCODED_10MBPS	0
#define LINKSPEED_ENCODED_100MBPS	1
#define LINKSPEED_ENCODED_1GBPS 	2

#define LINKEVENT_AUTONEG_DISABLED	0
#define LINKEVENT_AUTONEG_ENABLED	1

#define LINKEVENT_HALF_DUPLEX		0
#define LINKEVENT_FULL_DUPLEX		1

#define LINKEVENT_LINKSPEED_MBPS	0
#define LINKEVENT_LINKSPEED_ENCODED	1

#define AUTO_FW_RESET_ENABLED	0x01
/* firmware response header:
 *	63:58 - message type
 *	57:56 - owner
 *	55:53 - desc count
 *	52:48 - reserved
 *	47:40 - completion id
 *	39:32 - opcode
 *	31:16 - error code
 *	15:00 - reserved
 */
#define qlcnic_get_nic_msg_opcode(msg_hdr)	\
	((msg_hdr >> 32) & 0xFF)

struct qlcnic_fw_msg {
	union {
		struct {
			u64 hdr;
			u64 body[7];
		};
		u64 words[8];
	};
};

struct qlcnic_nic_req {
	__le64 qhdr;
	__le64 req_hdr;
	__le64 words[6];
};

struct qlcnic_mac_req {
	u8 op;
	u8 tag;
	u8 mac_addr[6];
};

#define QLCNIC_MSI_ENABLED		0x02
#define QLCNIC_MSIX_ENABLED		0x04
#define QLCNIC_LRO_ENABLED		0x08
#define QLCNIC_LRO_DISABLED		0x00
#define QLCNIC_BRIDGE_ENABLED       	0X10
#define QLCNIC_DIAG_ENABLED		0x20
#define QLCNIC_ESWITCH_ENABLED		0x40
#define QLCNIC_ADAPTER_INITIALIZED	0x80
#define QLCNIC_TAGGING_ENABLED		0x100
#define QLCNIC_MACSPOOF			0x200
#define QLCNIC_MAC_OVERRIDE_DISABLED	0x400
#define QLCNIC_IS_MSI_FAMILY(adapter) \
	((adapter)->flags & (QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED))

#define MSIX_ENTRIES_PER_ADAPTER	NUM_STS_DESC_RINGS
#define QLCNIC_MSIX_TBL_SPACE		8192
#define QLCNIC_PCI_REG_MSIX_TBL 	0x44
#define QLCNIC_MSIX_TBL_PGSIZE		4096

#define QLCNIC_NETDEV_WEIGHT	128
#define QLCNIC_ADAPTER_UP_MAGIC 777

#define __QLCNIC_FW_ATTACHED		0
#define __QLCNIC_DEV_UP 		1
#define __QLCNIC_RESETTING		2
#define __QLCNIC_START_FW 		4
#define __QLCNIC_AER			5

#define QLCNIC_INTERRUPT_TEST		1
#define QLCNIC_LOOPBACK_TEST		2

#define QLCNIC_FILTER_AGE	80
#define QLCNIC_LB_MAX_FILTERS	64

struct qlcnic_filter {
	struct hlist_node fnode;
	u8 faddr[ETH_ALEN];
	u16 vlan_id;
	unsigned long ftime;
};

struct qlcnic_filter_hash {
	struct hlist_head *fhead;
	u8 fnum;
	u8 fmax;
};

struct qlcnic_adapter {
	struct qlcnic_hardware_context ahw;

	struct net_device *netdev;
	struct pci_dev *pdev;
	struct list_head mac_list;

	spinlock_t tx_clean_lock;
	spinlock_t mac_learn_lock;

	u16 num_txd;
	u16 num_rxd;
	u16 num_jumbo_rxd;

	u8 max_rds_rings;
	u8 max_sds_rings;
	u8 msix_supported;
	u8 rx_csum;
	u8 portnum;
	u8 physical_port;
	u8 reset_context;

	u8 mc_enabled;
	u8 max_mc_count;
	u8 rss_supported;
	u8 fw_wait_cnt;
	u8 fw_fail_cnt;
	u8 tx_timeo_cnt;
	u8 need_fw_reset;

	u8 has_link_events;
	u8 fw_type;
	u16 tx_context_id;
	u16 is_up;

	u16 link_speed;
	u16 link_duplex;
	u16 link_autoneg;
	u16 module_type;

	u16 op_mode;
	u16 switch_mode;
	u16 max_tx_ques;
	u16 max_rx_ques;
	u16 max_mtu;
	u16 pvid;

	u32 fw_hal_version;
	u32 capabilities;
	u32 flags;
	u32 irq;
	u32 temp;

	u32 int_vec_bit;
	u32 heartbeat;

	u8 max_mac_filters;
	u8 dev_state;
	u8 diag_test;
	u8 diag_cnt;
	u8 reset_ack_timeo;
	u8 dev_init_timeo;
	u16 msg_enable;

	u8 mac_addr[ETH_ALEN];

	u64 dev_rst_time;

	struct vlan_group *vlgrp;
	struct qlcnic_npar_info *npars;
	struct qlcnic_eswitch *eswitch;
	struct qlcnic_nic_template *nic_ops;

	struct qlcnic_adapter_stats stats;

	struct qlcnic_recv_context recv_ctx;
	struct qlcnic_host_tx_ring *tx_ring;

	void __iomem	*tgt_mask_reg;
	void __iomem	*tgt_status_reg;
	void __iomem	*crb_int_state_reg;
	void __iomem	*isr_int_vec;

	struct msix_entry msix_entries[MSIX_ENTRIES_PER_ADAPTER];

	struct delayed_work fw_work;

	struct qlcnic_nic_intr_coalesce coal;

	struct qlcnic_filter_hash fhash;

	unsigned long state;
	__le32 file_prd_off;	/*File fw product offset*/
	u32 fw_version;
	const struct firmware *fw;
};

struct qlcnic_info {
	__le16	pci_func;
	__le16	op_mode; /* 1 = Priv, 2 = NP, 3 = NP passthru */
	__le16	phys_port;
	__le16	switch_mode; /* 0 = disabled, 1 = int, 2 = ext */

	__le32	capabilities;
	u8	max_mac_filters;
	u8	reserved1;
	__le16	max_mtu;

	__le16	max_tx_ques;
	__le16	max_rx_ques;
	__le16	min_tx_bw;
	__le16	max_tx_bw;
	u8	reserved2[104];
};

struct qlcnic_pci_info {
	__le16	id; /* pci function id */
	__le16	active; /* 1 = Enabled */
	__le16	type; /* 1 = NIC, 2 = FCoE, 3 = iSCSI */
	__le16	default_port; /* default port number */

	__le16	tx_min_bw; /* Multiple of 100mbpc */
	__le16	tx_max_bw;
	__le16	reserved1[2];

	u8	mac[ETH_ALEN];
	u8	reserved2[106];
};

struct qlcnic_npar_info {
	u16	pvid;
	u16	min_bw;
	u16	max_bw;
	u8	phy_port;
	u8	type;
	u8	active;
	u8	enable_pm;
	u8	dest_npar;
	u8	discard_tagged;
	u8	mac_override;
	u8	mac_anti_spoof;
	u8	promisc_mode;
	u8	offload_flags;
};

struct qlcnic_eswitch {
	u8	port;
	u8	active_vports;
	u8	active_vlans;
	u8	active_ucast_filters;
	u8	max_ucast_filters;
	u8	max_active_vlans;

	u32	flags;
#define QLCNIC_SWITCH_ENABLE		BIT_1
#define QLCNIC_SWITCH_VLAN_FILTERING	BIT_2
#define QLCNIC_SWITCH_PROMISC_MODE	BIT_3
#define QLCNIC_SWITCH_PORT_MIRRORING	BIT_4
};


/* Return codes for Error handling */
#define QL_STATUS_INVALID_PARAM	-1

#define MAX_BW			100
#define MIN_BW			1
#define MAX_VLAN_ID		4095
#define MIN_VLAN_ID		2
#define MAX_TX_QUEUES		1
#define MAX_RX_QUEUES		4
#define DEFAULT_MAC_LEARN	1

#define IS_VALID_VLAN(vlan)	(vlan >= MIN_VLAN_ID && vlan <= MAX_VLAN_ID)
#define IS_VALID_BW(bw)		(bw >= MIN_BW && bw <= MAX_BW)
#define IS_VALID_TX_QUEUES(que)	(que > 0 && que <= MAX_TX_QUEUES)
#define IS_VALID_RX_QUEUES(que)	(que > 0 && que <= MAX_RX_QUEUES)

struct qlcnic_pci_func_cfg {
	u16	func_type;
	u16	min_bw;
	u16	max_bw;
	u16	port_num;
	u8	pci_func;
	u8	func_state;
	u8	def_mac_addr[6];
};

struct qlcnic_npar_func_cfg {
	u32	fw_capab;
	u16	port_num;
	u16	min_bw;
	u16	max_bw;
	u16	max_tx_queues;
	u16	max_rx_queues;
	u8	pci_func;
	u8	op_mode;
};

struct qlcnic_pm_func_cfg {
	u8	pci_func;
	u8	action;
	u8	dest_npar;
	u8	reserved[5];
};

struct qlcnic_esw_func_cfg {
	u16	vlan_id;
	u8	op_mode;
	u8	op_type;
	u8	pci_func;
	u8	host_vlan_tag;
	u8	promisc_mode;
	u8	discard_tagged;
	u8	mac_override;
	u8	mac_anti_spoof;
	u8	offload_flags;
	u8	reserved[5];
};

#define QLCNIC_STATS_VERSION		1
#define QLCNIC_STATS_PORT		1
#define QLCNIC_STATS_ESWITCH		2
#define QLCNIC_QUERY_RX_COUNTER		0
#define QLCNIC_QUERY_TX_COUNTER		1
struct __qlcnic_esw_statistics {
	__le16 context_id;
	__le16 version;
	__le16 size;
	__le16 unused;
	__le64 unicast_frames;
	__le64 multicast_frames;
	__le64 broadcast_frames;
	__le64 dropped_frames;
	__le64 errors;
	__le64 local_frames;
	__le64 numbytes;
	__le64 rsvd[3];
};

struct qlcnic_esw_statistics {
	struct __qlcnic_esw_statistics rx;
	struct __qlcnic_esw_statistics tx;
};

int qlcnic_fw_cmd_query_phy(struct qlcnic_adapter *adapter, u32 reg, u32 *val);
int qlcnic_fw_cmd_set_phy(struct qlcnic_adapter *adapter, u32 reg, u32 val);

u32 qlcnic_hw_read_wx_2M(struct qlcnic_adapter *adapter, ulong off);
int qlcnic_hw_write_wx_2M(struct qlcnic_adapter *, ulong off, u32 data);
int qlcnic_pci_mem_write_2M(struct qlcnic_adapter *, u64 off, u64 data);
int qlcnic_pci_mem_read_2M(struct qlcnic_adapter *, u64 off, u64 *data);
void qlcnic_pci_camqm_read_2M(struct qlcnic_adapter *, u64, u64 *);
void qlcnic_pci_camqm_write_2M(struct qlcnic_adapter *, u64, u64);

#define ADDR_IN_RANGE(addr, low, high)	\
	(((addr) < (high)) && ((addr) >= (low)))

#define QLCRD32(adapter, off) \
	(qlcnic_hw_read_wx_2M(adapter, off))
#define QLCWR32(adapter, off, val) \
	(qlcnic_hw_write_wx_2M(adapter, off, val))

int qlcnic_pcie_sem_lock(struct qlcnic_adapter *, int, u32);
void qlcnic_pcie_sem_unlock(struct qlcnic_adapter *, int);

#define qlcnic_rom_lock(a)	\
	qlcnic_pcie_sem_lock((a), 2, QLCNIC_ROM_LOCK_ID)
#define qlcnic_rom_unlock(a)	\
	qlcnic_pcie_sem_unlock((a), 2)
#define qlcnic_phy_lock(a)	\
	qlcnic_pcie_sem_lock((a), 3, QLCNIC_PHY_LOCK_ID)
#define qlcnic_phy_unlock(a)	\
	qlcnic_pcie_sem_unlock((a), 3)
#define qlcnic_api_lock(a)	\
	qlcnic_pcie_sem_lock((a), 5, 0)
#define qlcnic_api_unlock(a)	\
	qlcnic_pcie_sem_unlock((a), 5)
#define qlcnic_sw_lock(a)	\
	qlcnic_pcie_sem_lock((a), 6, 0)
#define qlcnic_sw_unlock(a)	\
	qlcnic_pcie_sem_unlock((a), 6)
#define crb_win_lock(a)	\
	qlcnic_pcie_sem_lock((a), 7, QLCNIC_CRB_WIN_LOCK_ID)
#define crb_win_unlock(a)	\
	qlcnic_pcie_sem_unlock((a), 7)

int qlcnic_get_board_info(struct qlcnic_adapter *adapter);
int qlcnic_wol_supported(struct qlcnic_adapter *adapter);
int qlcnic_config_led(struct qlcnic_adapter *adapter, u32 state, u32 rate);
void qlcnic_prune_lb_filters(struct qlcnic_adapter *adapter);
void qlcnic_delete_lb_filters(struct qlcnic_adapter *adapter);

/* Functions from qlcnic_init.c */
int qlcnic_load_firmware(struct qlcnic_adapter *adapter);
int qlcnic_need_fw_reset(struct qlcnic_adapter *adapter);
void qlcnic_request_firmware(struct qlcnic_adapter *adapter);
void qlcnic_release_firmware(struct qlcnic_adapter *adapter);
int qlcnic_pinit_from_rom(struct qlcnic_adapter *adapter);
int qlcnic_setup_idc_param(struct qlcnic_adapter *adapter);
int qlcnic_check_flash_fw_ver(struct qlcnic_adapter *adapter);

int qlcnic_rom_fast_read(struct qlcnic_adapter *adapter, int addr, int *valp);
int qlcnic_rom_fast_read_words(struct qlcnic_adapter *adapter, int addr,
				u8 *bytes, size_t size);
int qlcnic_alloc_sw_resources(struct qlcnic_adapter *adapter);
void qlcnic_free_sw_resources(struct qlcnic_adapter *adapter);

void __iomem *qlcnic_get_ioaddr(struct qlcnic_adapter *, u32);

int qlcnic_alloc_hw_resources(struct qlcnic_adapter *adapter);
void qlcnic_free_hw_resources(struct qlcnic_adapter *adapter);

int qlcnic_fw_create_ctx(struct qlcnic_adapter *adapter);
void qlcnic_fw_destroy_ctx(struct qlcnic_adapter *adapter);

void qlcnic_reset_rx_buffers_list(struct qlcnic_adapter *adapter);
void qlcnic_release_rx_buffers(struct qlcnic_adapter *adapter);
void qlcnic_release_tx_buffers(struct qlcnic_adapter *adapter);

int qlcnic_check_fw_status(struct qlcnic_adapter *adapter);
void qlcnic_watchdog_task(struct work_struct *work);
void qlcnic_post_rx_buffers(struct qlcnic_adapter *adapter, u32 ringid,
		struct qlcnic_host_rds_ring *rds_ring);
int qlcnic_process_rcv_ring(struct qlcnic_host_sds_ring *sds_ring, int max);
void qlcnic_set_multi(struct net_device *netdev);
void qlcnic_free_mac_list(struct qlcnic_adapter *adapter);
int qlcnic_nic_set_promisc(struct qlcnic_adapter *adapter, u32);
int qlcnic_config_intr_coalesce(struct qlcnic_adapter *adapter);
int qlcnic_config_rss(struct qlcnic_adapter *adapter, int enable);
int qlcnic_config_ipaddr(struct qlcnic_adapter *adapter, u32 ip, int cmd);
int qlcnic_linkevent_request(struct qlcnic_adapter *adapter, int enable);
void qlcnic_advert_link_change(struct qlcnic_adapter *adapter, int linkup);

int qlcnic_fw_cmd_set_mtu(struct qlcnic_adapter *adapter, int mtu);
int qlcnic_change_mtu(struct net_device *netdev, int new_mtu);
int qlcnic_config_hw_lro(struct qlcnic_adapter *adapter, int enable);
int qlcnic_config_bridged_mode(struct qlcnic_adapter *adapter, u32 enable);
int qlcnic_send_lro_cleanup(struct qlcnic_adapter *adapter);
void qlcnic_update_cmd_producer(struct qlcnic_adapter *adapter,
		struct qlcnic_host_tx_ring *tx_ring);
void qlcnic_clear_ilb_mode(struct qlcnic_adapter *adapter);
int qlcnic_set_ilb_mode(struct qlcnic_adapter *adapter);
void qlcnic_fetch_mac(struct qlcnic_adapter *, u32, u32, u8, u8 *);

/* Functions from qlcnic_main.c */
int qlcnic_reset_context(struct qlcnic_adapter *);
u32 qlcnic_issue_cmd(struct qlcnic_adapter *adapter,
	u32 pci_fn, u32 version, u32 arg1, u32 arg2, u32 arg3, u32 cmd);
void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings);
int qlcnic_diag_alloc_res(struct net_device *netdev, int test);
int qlcnic_check_loopback_buff(unsigned char *data);
netdev_tx_t qlcnic_xmit_frame(struct sk_buff *skb, struct net_device *netdev);
void qlcnic_process_rcv_ring_diag(struct qlcnic_host_sds_ring *sds_ring);

/* Management functions */
int qlcnic_set_mac_address(struct qlcnic_adapter *, u8*);
int qlcnic_get_mac_address(struct qlcnic_adapter *, u8*);
int qlcnic_get_nic_info(struct qlcnic_adapter *, struct qlcnic_info *, u8);
int qlcnic_set_nic_info(struct qlcnic_adapter *, struct qlcnic_info *);
int qlcnic_get_pci_info(struct qlcnic_adapter *, struct qlcnic_pci_info*);
int qlcnic_reset_partition(struct qlcnic_adapter *, u8);

/*  eSwitch management functions */
int qlcnic_get_eswitch_capabilities(struct qlcnic_adapter *, u8,
				struct qlcnic_eswitch *);
int qlcnic_get_eswitch_status(struct qlcnic_adapter *, u8,
				struct qlcnic_eswitch *);
int qlcnic_toggle_eswitch(struct qlcnic_adapter *, u8, u8);
int qlcnic_config_switch_port(struct qlcnic_adapter *,
				struct qlcnic_esw_func_cfg *);
int qlcnic_get_eswitch_port_config(struct qlcnic_adapter *,
				struct qlcnic_esw_func_cfg *);
int qlcnic_config_port_mirroring(struct qlcnic_adapter *, u8, u8, u8);
int qlcnic_get_port_stats(struct qlcnic_adapter *, const u8, const u8,
					struct __qlcnic_esw_statistics *);
int qlcnic_get_eswitch_stats(struct qlcnic_adapter *, const u8, u8,
					struct __qlcnic_esw_statistics *);
int qlcnic_clear_esw_stats(struct qlcnic_adapter *adapter, u8, u8, u8);
extern int qlcnic_config_tso;

/*
 * QLOGIC Board information
 */

#define QLCNIC_MAX_BOARD_NAME_LEN 100
struct qlcnic_brdinfo {
	unsigned short  vendor;
	unsigned short  device;
	unsigned short  sub_vendor;
	unsigned short  sub_device;
	char short_name[QLCNIC_MAX_BOARD_NAME_LEN];
};

static const struct qlcnic_brdinfo qlcnic_boards[] = {
	{0x1077, 0x8020, 0x1077, 0x203,
		"8200 Series Single Port 10GbE Converged Network Adapter "
		"(TCP/IP Networking)"},
	{0x1077, 0x8020, 0x1077, 0x207,
		"8200 Series Dual Port 10GbE Converged Network Adapter "
		"(TCP/IP Networking)"},
	{0x1077, 0x8020, 0x1077, 0x20b,
		"3200 Series Dual Port 10Gb Intelligent Ethernet Adapter"},
	{0x1077, 0x8020, 0x1077, 0x20c,
		"3200 Series Quad Port 1Gb Intelligent Ethernet Adapter"},
	{0x1077, 0x8020, 0x1077, 0x20f,
		"3200 Series Single Port 10Gb Intelligent Ethernet Adapter"},
	{0x1077, 0x8020, 0x103c, 0x3733,
		"NC523SFP 10Gb 2-port Flex-10 Server Adapter"},
	{0x1077, 0x8020, 0x0, 0x0, "cLOM8214 1/10GbE Controller"},
};

#define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)

static inline u32 qlcnic_tx_avail(struct qlcnic_host_tx_ring *tx_ring)
{
	smp_mb();
	if (tx_ring->producer < tx_ring->sw_consumer)
		return tx_ring->sw_consumer - tx_ring->producer;
	else
		return tx_ring->sw_consumer + tx_ring->num_desc -
				tx_ring->producer;
}

extern const struct ethtool_ops qlcnic_ethtool_ops;

struct qlcnic_nic_template {
	int (*config_bridged_mode) (struct qlcnic_adapter *, u32);
	int (*config_led) (struct qlcnic_adapter *, u32, u32);
	int (*start_firmware) (struct qlcnic_adapter *);
};

#define QLCDB(adapter, lvl, _fmt, _args...) do {	\
	if (NETIF_MSG_##lvl & adapter->msg_enable)	\
		printk(KERN_INFO "%s: %s: " _fmt,	\
			 dev_name(&adapter->pdev->dev),	\
			__func__, ##_args);		\
	} while (0)

#endif				/* __QLCNIC_H_ */