1 /*
2  * QLogic qlcnic NIC Driver
3  * Copyright (c)  2009-2010 QLogic Corporation
4  *
5  * See LICENSE.qlcnic for copyright and licensing details.
6  */
7 
8 #ifndef _QLCNIC_H_
9 #define _QLCNIC_H_
10 
11 #include <linux/module.h>
12 #include <linux/kernel.h>
13 #include <linux/types.h>
14 #include <linux/ioport.h>
15 #include <linux/pci.h>
16 #include <linux/netdevice.h>
17 #include <linux/etherdevice.h>
18 #include <linux/ip.h>
19 #include <linux/in.h>
20 #include <linux/tcp.h>
21 #include <linux/skbuff.h>
22 #include <linux/firmware.h>
23 
24 #include <linux/ethtool.h>
25 #include <linux/mii.h>
26 #include <linux/timer.h>
27 
28 #include <linux/vmalloc.h>
29 
30 #include <linux/io.h>
31 #include <asm/byteorder.h>
32 
33 #include "qlcnic_hdr.h"
34 
35 #define _QLCNIC_LINUX_MAJOR 5
36 #define _QLCNIC_LINUX_MINOR 0
37 #define _QLCNIC_LINUX_SUBVERSION 15
38 #define QLCNIC_LINUX_VERSIONID  "5.0.15"
39 #define QLCNIC_DRV_IDC_VER  0x01
40 #define QLCNIC_DRIVER_VERSION  ((_QLCNIC_LINUX_MAJOR << 16) |\
41 		 (_QLCNIC_LINUX_MINOR << 8) | (_QLCNIC_LINUX_SUBVERSION))
42 
43 #define QLCNIC_VERSION_CODE(a, b, c)	(((a) << 24) + ((b) << 16) + (c))
44 #define _major(v)	(((v) >> 24) & 0xff)
45 #define _minor(v)	(((v) >> 16) & 0xff)
46 #define _build(v)	((v) & 0xffff)
47 
48 /* version in image has weird encoding:
49  *  7:0  - major
50  * 15:8  - minor
51  * 31:16 - build (little endian)
52  */
53 #define QLCNIC_DECODE_VERSION(v) \
54 	QLCNIC_VERSION_CODE(((v) & 0xff), (((v) >> 8) & 0xff), ((v) >> 16))
55 
56 #define QLCNIC_MIN_FW_VERSION     QLCNIC_VERSION_CODE(4, 4, 2)
57 #define QLCNIC_NUM_FLASH_SECTORS (64)
58 #define QLCNIC_FLASH_SECTOR_SIZE (64 * 1024)
59 #define QLCNIC_FLASH_TOTAL_SIZE  (QLCNIC_NUM_FLASH_SECTORS \
60 					* QLCNIC_FLASH_SECTOR_SIZE)
61 
62 #define RCV_DESC_RINGSIZE(rds_ring)	\
63 	(sizeof(struct rcv_desc) * (rds_ring)->num_desc)
64 #define RCV_BUFF_RINGSIZE(rds_ring)	\
65 	(sizeof(struct qlcnic_rx_buffer) * rds_ring->num_desc)
66 #define STATUS_DESC_RINGSIZE(sds_ring)	\
67 	(sizeof(struct status_desc) * (sds_ring)->num_desc)
68 #define TX_BUFF_RINGSIZE(tx_ring)	\
69 	(sizeof(struct qlcnic_cmd_buffer) * tx_ring->num_desc)
70 #define TX_DESC_RINGSIZE(tx_ring)	\
71 	(sizeof(struct cmd_desc_type0) * tx_ring->num_desc)
72 
73 #define QLCNIC_P3P_A0		0x50
74 
75 #define QLCNIC_IS_REVISION_P3P(REVISION)     (REVISION >= QLCNIC_P3P_A0)
76 
77 #define FIRST_PAGE_GROUP_START	0
78 #define FIRST_PAGE_GROUP_END	0x100000
79 
80 #define P3P_MAX_MTU                     (9600)
81 #define P3P_MIN_MTU                     (68)
82 #define QLCNIC_MAX_ETHERHDR                32 /* This contains some padding */
83 
84 #define QLCNIC_P3P_RX_BUF_MAX_LEN         (QLCNIC_MAX_ETHERHDR + ETH_DATA_LEN)
85 #define QLCNIC_P3P_RX_JUMBO_BUF_MAX_LEN   (QLCNIC_MAX_ETHERHDR + P3P_MAX_MTU)
86 #define QLCNIC_CT_DEFAULT_RX_BUF_LEN	2048
87 #define QLCNIC_LRO_BUFFER_EXTRA		2048
88 
89 /* Opcodes to be used with the commands */
90 #define TX_ETHER_PKT	0x01
91 #define TX_TCP_PKT	0x02
92 #define TX_UDP_PKT	0x03
93 #define TX_IP_PKT	0x04
94 #define TX_TCP_LSO	0x05
95 #define TX_TCP_LSO6	0x06
96 #define TX_IPSEC	0x07
97 #define TX_IPSEC_CMD	0x0a
98 #define TX_TCPV6_PKT	0x0b
99 #define TX_UDPV6_PKT	0x0c
100 
101 /* Tx defines */
102 #define QLCNIC_MAX_FRAGS_PER_TX	14
103 #define MAX_TSO_HEADER_DESC	2
104 #define MGMT_CMD_DESC_RESV	4
105 #define TX_STOP_THRESH		((MAX_SKB_FRAGS >> 2) + MAX_TSO_HEADER_DESC \
106 							+ MGMT_CMD_DESC_RESV)
107 #define QLCNIC_MAX_TX_TIMEOUTS	2
108 
109 /*
110  * Following are the states of the Phantom. Phantom will set them and
111  * Host will read to check if the fields are correct.
112  */
113 #define PHAN_INITIALIZE_FAILED		0xffff
114 #define PHAN_INITIALIZE_COMPLETE	0xff01
115 
116 /* Host writes the following to notify that it has done the init-handshake */
117 #define PHAN_INITIALIZE_ACK		0xf00f
118 #define PHAN_PEG_RCV_INITIALIZED	0xff01
119 
120 #define NUM_RCV_DESC_RINGS	3
121 #define NUM_STS_DESC_RINGS	4
122 
123 #define RCV_RING_NORMAL 0
124 #define RCV_RING_JUMBO	1
125 
126 #define MIN_CMD_DESCRIPTORS		64
127 #define MIN_RCV_DESCRIPTORS		64
128 #define MIN_JUMBO_DESCRIPTORS		32
129 
130 #define MAX_CMD_DESCRIPTORS		1024
131 #define MAX_RCV_DESCRIPTORS_1G		4096
132 #define MAX_RCV_DESCRIPTORS_10G 	8192
133 #define MAX_RCV_DESCRIPTORS_VF		2048
134 #define MAX_JUMBO_RCV_DESCRIPTORS_1G	512
135 #define MAX_JUMBO_RCV_DESCRIPTORS_10G	1024
136 
137 #define DEFAULT_RCV_DESCRIPTORS_1G	2048
138 #define DEFAULT_RCV_DESCRIPTORS_10G	4096
139 #define DEFAULT_RCV_DESCRIPTORS_VF	1024
140 #define MAX_RDS_RINGS                   2
141 
142 #define get_next_index(index, length)	\
143 	(((index) + 1) & ((length) - 1))
144 
145 /*
146  * Following data structures describe the descriptors that will be used.
147  * Added fileds of tcpHdrSize and ipHdrSize, The driver needs to do it only when
148  * we are doing LSO (above the 1500 size packet) only.
149  */
150 
151 #define FLAGS_VLAN_TAGGED	0x10
152 #define FLAGS_VLAN_OOB		0x40
153 
154 #define qlcnic_set_tx_vlan_tci(cmd_desc, v)	\
155 	(cmd_desc)->vlan_TCI = cpu_to_le16(v);
156 #define qlcnic_set_cmd_desc_port(cmd_desc, var)	\
157 	((cmd_desc)->port_ctxid |= ((var) & 0x0F))
158 #define qlcnic_set_cmd_desc_ctxid(cmd_desc, var)	\
159 	((cmd_desc)->port_ctxid |= ((var) << 4 & 0xF0))
160 
161 #define qlcnic_set_tx_port(_desc, _port) \
162 	((_desc)->port_ctxid = ((_port) & 0xf) | (((_port) << 4) & 0xf0))
163 
164 #define qlcnic_set_tx_flags_opcode(_desc, _flags, _opcode) \
165 	((_desc)->flags_opcode |= \
166 	cpu_to_le16(((_flags) & 0x7f) | (((_opcode) & 0x3f) << 7)))
167 
168 #define qlcnic_set_tx_frags_len(_desc, _frags, _len) \
169 	((_desc)->nfrags__length = \
170 	cpu_to_le32(((_frags) & 0xff) | (((_len) & 0xffffff) << 8)))
171 
172 struct cmd_desc_type0 {
173 	u8 tcp_hdr_offset;	/* For LSO only */
174 	u8 ip_hdr_offset;	/* For LSO only */
175 	__le16 flags_opcode;	/* 15:13 unused, 12:7 opcode, 6:0 flags */
176 	__le32 nfrags__length;	/* 31:8 total len, 7:0 frag count */
177 
178 	__le64 addr_buffer2;
179 
180 	__le16 reference_handle;
181 	__le16 mss;
182 	u8 port_ctxid;		/* 7:4 ctxid 3:0 port */
183 	u8 total_hdr_length;	/* LSO only : MAC+IP+TCP Hdr size */
184 	__le16 conn_id;		/* IPSec offoad only */
185 
186 	__le64 addr_buffer3;
187 	__le64 addr_buffer1;
188 
189 	__le16 buffer_length[4];
190 
191 	__le64 addr_buffer4;
192 
193 	u8 eth_addr[ETH_ALEN];
194 	__le16 vlan_TCI;
195 
196 } __attribute__ ((aligned(64)));
197 
198 /* Note: sizeof(rcv_desc) should always be a mutliple of 2 */
199 struct rcv_desc {
200 	__le16 reference_handle;
201 	__le16 reserved;
202 	__le32 buffer_length;	/* allocated buffer length (usually 2K) */
203 	__le64 addr_buffer;
204 };
205 
206 /* opcode field in status_desc */
207 #define QLCNIC_SYN_OFFLOAD	0x03
208 #define QLCNIC_RXPKT_DESC  	0x04
209 #define QLCNIC_OLD_RXPKT_DESC	0x3f
210 #define QLCNIC_RESPONSE_DESC	0x05
211 #define QLCNIC_LRO_DESC  	0x12
212 
213 /* for status field in status_desc */
214 #define STATUS_CKSUM_LOOP	0
215 #define STATUS_CKSUM_OK		2
216 
217 /* owner bits of status_desc */
218 #define STATUS_OWNER_HOST	(0x1ULL << 56)
219 #define STATUS_OWNER_PHANTOM	(0x2ULL << 56)
220 
221 /* Status descriptor:
222    0-3 port, 4-7 status, 8-11 type, 12-27 total_length
223    28-43 reference_handle, 44-47 protocol, 48-52 pkt_offset
224    53-55 desc_cnt, 56-57 owner, 58-63 opcode
225  */
226 #define qlcnic_get_sts_port(sts_data)	\
227 	((sts_data) & 0x0F)
228 #define qlcnic_get_sts_status(sts_data)	\
229 	(((sts_data) >> 4) & 0x0F)
230 #define qlcnic_get_sts_type(sts_data)	\
231 	(((sts_data) >> 8) & 0x0F)
232 #define qlcnic_get_sts_totallength(sts_data)	\
233 	(((sts_data) >> 12) & 0xFFFF)
234 #define qlcnic_get_sts_refhandle(sts_data)	\
235 	(((sts_data) >> 28) & 0xFFFF)
236 #define qlcnic_get_sts_prot(sts_data)	\
237 	(((sts_data) >> 44) & 0x0F)
238 #define qlcnic_get_sts_pkt_offset(sts_data)	\
239 	(((sts_data) >> 48) & 0x1F)
240 #define qlcnic_get_sts_desc_cnt(sts_data)	\
241 	(((sts_data) >> 53) & 0x7)
242 #define qlcnic_get_sts_opcode(sts_data)	\
243 	(((sts_data) >> 58) & 0x03F)
244 
245 #define qlcnic_get_lro_sts_refhandle(sts_data) 	\
246 	((sts_data) & 0x0FFFF)
247 #define qlcnic_get_lro_sts_length(sts_data)	\
248 	(((sts_data) >> 16) & 0x0FFFF)
249 #define qlcnic_get_lro_sts_l2_hdr_offset(sts_data)	\
250 	(((sts_data) >> 32) & 0x0FF)
251 #define qlcnic_get_lro_sts_l4_hdr_offset(sts_data)	\
252 	(((sts_data) >> 40) & 0x0FF)
253 #define qlcnic_get_lro_sts_timestamp(sts_data)	\
254 	(((sts_data) >> 48) & 0x1)
255 #define qlcnic_get_lro_sts_type(sts_data)	\
256 	(((sts_data) >> 49) & 0x7)
257 #define qlcnic_get_lro_sts_push_flag(sts_data)		\
258 	(((sts_data) >> 52) & 0x1)
259 #define qlcnic_get_lro_sts_seq_number(sts_data)		\
260 	((sts_data) & 0x0FFFFFFFF)
261 
262 
263 struct status_desc {
264 	__le64 status_desc_data[2];
265 } __attribute__ ((aligned(16)));
266 
267 /* UNIFIED ROMIMAGE */
268 #define QLCNIC_UNI_FW_MIN_SIZE		0xc8000
269 #define QLCNIC_UNI_DIR_SECT_PRODUCT_TBL	0x0
270 #define QLCNIC_UNI_DIR_SECT_BOOTLD	0x6
271 #define QLCNIC_UNI_DIR_SECT_FW		0x7
272 
273 /*Offsets */
274 #define QLCNIC_UNI_CHIP_REV_OFF		10
275 #define QLCNIC_UNI_FLAGS_OFF		11
276 #define QLCNIC_UNI_BIOS_VERSION_OFF 	12
277 #define QLCNIC_UNI_BOOTLD_IDX_OFF	27
278 #define QLCNIC_UNI_FIRMWARE_IDX_OFF 	29
279 
280 struct uni_table_desc{
281 	u32	findex;
282 	u32	num_entries;
283 	u32	entry_size;
284 	u32	reserved[5];
285 };
286 
287 struct uni_data_desc{
288 	u32	findex;
289 	u32	size;
290 	u32	reserved[5];
291 };
292 
293 /* Flash Defines and Structures */
294 #define QLCNIC_FLT_LOCATION	0x3F1000
295 #define QLCNIC_FW_IMAGE_REGION	0x74
296 struct qlcnic_flt_header {
297 	u16 version;
298 	u16 len;
299 	u16 checksum;
300 	u16 reserved;
301 };
302 
303 struct qlcnic_flt_entry {
304 	u8 region;
305 	u8 reserved0;
306 	u8 attrib;
307 	u8 reserved1;
308 	u32 size;
309 	u32 start_addr;
310 	u32 end_add;
311 };
312 
313 /* Magic number to let user know flash is programmed */
314 #define	QLCNIC_BDINFO_MAGIC 0x12345678
315 
316 #define QLCNIC_BRDTYPE_P3P_REF_QG	0x0021
317 #define QLCNIC_BRDTYPE_P3P_HMEZ		0x0022
318 #define QLCNIC_BRDTYPE_P3P_10G_CX4_LP	0x0023
319 #define QLCNIC_BRDTYPE_P3P_4_GB		0x0024
320 #define QLCNIC_BRDTYPE_P3P_IMEZ		0x0025
321 #define QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS	0x0026
322 #define QLCNIC_BRDTYPE_P3P_10000_BASE_T	0x0027
323 #define QLCNIC_BRDTYPE_P3P_XG_LOM	0x0028
324 #define QLCNIC_BRDTYPE_P3P_4_GB_MM	0x0029
325 #define QLCNIC_BRDTYPE_P3P_10G_SFP_CT	0x002a
326 #define QLCNIC_BRDTYPE_P3P_10G_SFP_QT	0x002b
327 #define QLCNIC_BRDTYPE_P3P_10G_CX4	0x0031
328 #define QLCNIC_BRDTYPE_P3P_10G_XFP	0x0032
329 #define QLCNIC_BRDTYPE_P3P_10G_TP	0x0080
330 
331 #define QLCNIC_MSIX_TABLE_OFFSET	0x44
332 
333 /* Flash memory map */
334 #define QLCNIC_BRDCFG_START	0x4000		/* board config */
335 #define QLCNIC_BOOTLD_START	0x10000		/* bootld */
336 #define QLCNIC_IMAGE_START	0x43000		/* compressed image */
337 #define QLCNIC_USER_START	0x3E8000	/* Firmare info */
338 
339 #define QLCNIC_FW_VERSION_OFFSET	(QLCNIC_USER_START+0x408)
340 #define QLCNIC_FW_SIZE_OFFSET		(QLCNIC_USER_START+0x40c)
341 #define QLCNIC_FW_SERIAL_NUM_OFFSET	(QLCNIC_USER_START+0x81c)
342 #define QLCNIC_BIOS_VERSION_OFFSET	(QLCNIC_USER_START+0x83c)
343 
344 #define QLCNIC_BRDTYPE_OFFSET		(QLCNIC_BRDCFG_START+0x8)
345 #define QLCNIC_FW_MAGIC_OFFSET		(QLCNIC_BRDCFG_START+0x128)
346 
347 #define QLCNIC_FW_MIN_SIZE		(0x3fffff)
348 #define QLCNIC_UNIFIED_ROMIMAGE  	0
349 #define QLCNIC_FLASH_ROMIMAGE		1
350 #define QLCNIC_UNKNOWN_ROMIMAGE		0xff
351 
352 #define QLCNIC_UNIFIED_ROMIMAGE_NAME	"phanfw.bin"
353 #define QLCNIC_FLASH_ROMIMAGE_NAME	"flash"
354 
355 extern char qlcnic_driver_name[];
356 
357 /* Number of status descriptors to handle per interrupt */
358 #define MAX_STATUS_HANDLE	(64)
359 
360 /*
361  * qlcnic_skb_frag{} is to contain mapping info for each SG list. This
362  * has to be freed when DMA is complete. This is part of qlcnic_tx_buffer{}.
363  */
364 struct qlcnic_skb_frag {
365 	u64 dma;
366 	u64 length;
367 };
368 
369 struct qlcnic_recv_crb {
370 	u32 crb_rcv_producer[NUM_RCV_DESC_RINGS];
371 	u32 crb_sts_consumer[NUM_STS_DESC_RINGS];
372 	u32 sw_int_mask[NUM_STS_DESC_RINGS];
373 };
374 
375 /*    Following defines are for the state of the buffers    */
376 #define	QLCNIC_BUFFER_FREE	0
377 #define	QLCNIC_BUFFER_BUSY	1
378 
379 /*
380  * There will be one qlcnic_buffer per skb packet.    These will be
381  * used to save the dma info for pci_unmap_page()
382  */
383 struct qlcnic_cmd_buffer {
384 	struct sk_buff *skb;
385 	struct qlcnic_skb_frag frag_array[MAX_SKB_FRAGS + 1];
386 	u32 frag_count;
387 };
388 
389 /* In rx_buffer, we do not need multiple fragments as is a single buffer */
390 struct qlcnic_rx_buffer {
391 	struct list_head list;
392 	struct sk_buff *skb;
393 	u64 dma;
394 	u16 ref_handle;
395 };
396 
397 /* Board types */
398 #define	QLCNIC_GBE	0x01
399 #define	QLCNIC_XGBE	0x02
400 
401 /*
402  * One hardware_context{} per adapter
403  * contains interrupt info as well shared hardware info.
404  */
405 struct qlcnic_hardware_context {
406 	void __iomem *pci_base0;
407 	void __iomem *ocm_win_crb;
408 
409 	unsigned long pci_len0;
410 
411 	rwlock_t crb_lock;
412 	struct mutex mem_lock;
413 
414 	u8 revision_id;
415 	u8 pci_func;
416 	u8 linkup;
417 	u16 port_type;
418 	u16 board_type;
419 };
420 
421 struct qlcnic_adapter_stats {
422 	u64  xmitcalled;
423 	u64  xmitfinished;
424 	u64  rxdropped;
425 	u64  txdropped;
426 	u64  csummed;
427 	u64  rx_pkts;
428 	u64  lro_pkts;
429 	u64  rxbytes;
430 	u64  txbytes;
431 	u64  lrobytes;
432 	u64  lso_frames;
433 	u64  xmit_on;
434 	u64  xmit_off;
435 	u64  skb_alloc_failure;
436 	u64  null_rxbuf;
437 	u64  rx_dma_map_error;
438 	u64  tx_dma_map_error;
439 };
440 
441 /*
442  * Rcv Descriptor Context. One such per Rcv Descriptor. There may
443  * be one Rcv Descriptor for normal packets, one for jumbo and may be others.
444  */
445 struct qlcnic_host_rds_ring {
446 	u32 producer;
447 	u32 num_desc;
448 	u32 dma_size;
449 	u32 skb_size;
450 	u32 flags;
451 	void __iomem *crb_rcv_producer;
452 	struct rcv_desc *desc_head;
453 	struct qlcnic_rx_buffer *rx_buf_arr;
454 	struct list_head free_list;
455 	spinlock_t lock;
456 	dma_addr_t phys_addr;
457 };
458 
459 struct qlcnic_host_sds_ring {
460 	u32 consumer;
461 	u32 num_desc;
462 	void __iomem *crb_sts_consumer;
463 	void __iomem *crb_intr_mask;
464 
465 	struct status_desc *desc_head;
466 	struct qlcnic_adapter *adapter;
467 	struct napi_struct napi;
468 	struct list_head free_list[NUM_RCV_DESC_RINGS];
469 
470 	int irq;
471 
472 	dma_addr_t phys_addr;
473 	char name[IFNAMSIZ+4];
474 };
475 
476 struct qlcnic_host_tx_ring {
477 	u32 producer;
478 	__le32 *hw_consumer;
479 	u32 sw_consumer;
480 	void __iomem *crb_cmd_producer;
481 	u32 num_desc;
482 
483 	struct netdev_queue *txq;
484 
485 	struct qlcnic_cmd_buffer *cmd_buf_arr;
486 	struct cmd_desc_type0 *desc_head;
487 	dma_addr_t phys_addr;
488 	dma_addr_t hw_cons_phys_addr;
489 };
490 
491 /*
492  * Receive context. There is one such structure per instance of the
493  * receive processing. Any state information that is relevant to
494  * the receive, and is must be in this structure. The global data may be
495  * present elsewhere.
496  */
497 struct qlcnic_recv_context {
498 	u32 state;
499 	u16 context_id;
500 	u16 virt_port;
501 
502 	struct qlcnic_host_rds_ring *rds_rings;
503 	struct qlcnic_host_sds_ring *sds_rings;
504 };
505 
506 /* HW context creation */
507 
508 #define QLCNIC_OS_CRB_RETRY_COUNT	4000
509 #define QLCNIC_CDRP_SIGNATURE_MAKE(pcifn, version) \
510 	(((pcifn) & 0xff) | (((version) & 0xff) << 8) | (0xcafe << 16))
511 
512 #define QLCNIC_CDRP_CMD_BIT		0x80000000
513 
514 /*
515  * All responses must have the QLCNIC_CDRP_CMD_BIT cleared
516  * in the crb QLCNIC_CDRP_CRB_OFFSET.
517  */
518 #define QLCNIC_CDRP_FORM_RSP(rsp)	(rsp)
519 #define QLCNIC_CDRP_IS_RSP(rsp)	(((rsp) & QLCNIC_CDRP_CMD_BIT) == 0)
520 
521 #define QLCNIC_CDRP_RSP_OK		0x00000001
522 #define QLCNIC_CDRP_RSP_FAIL		0x00000002
523 #define QLCNIC_CDRP_RSP_TIMEOUT 	0x00000003
524 
525 /*
526  * All commands must have the QLCNIC_CDRP_CMD_BIT set in
527  * the crb QLCNIC_CDRP_CRB_OFFSET.
528  */
529 #define QLCNIC_CDRP_FORM_CMD(cmd)	(QLCNIC_CDRP_CMD_BIT | (cmd))
530 #define QLCNIC_CDRP_IS_CMD(cmd)	(((cmd) & QLCNIC_CDRP_CMD_BIT) != 0)
531 
532 #define QLCNIC_CDRP_CMD_SUBMIT_CAPABILITIES     0x00000001
533 #define QLCNIC_CDRP_CMD_READ_MAX_RDS_PER_CTX    0x00000002
534 #define QLCNIC_CDRP_CMD_READ_MAX_SDS_PER_CTX    0x00000003
535 #define QLCNIC_CDRP_CMD_READ_MAX_RULES_PER_CTX  0x00000004
536 #define QLCNIC_CDRP_CMD_READ_MAX_RX_CTX         0x00000005
537 #define QLCNIC_CDRP_CMD_READ_MAX_TX_CTX         0x00000006
538 #define QLCNIC_CDRP_CMD_CREATE_RX_CTX           0x00000007
539 #define QLCNIC_CDRP_CMD_DESTROY_RX_CTX          0x00000008
540 #define QLCNIC_CDRP_CMD_CREATE_TX_CTX           0x00000009
541 #define QLCNIC_CDRP_CMD_DESTROY_TX_CTX          0x0000000a
542 #define QLCNIC_CDRP_CMD_SETUP_STATISTICS        0x0000000e
543 #define QLCNIC_CDRP_CMD_GET_STATISTICS          0x0000000f
544 #define QLCNIC_CDRP_CMD_DELETE_STATISTICS       0x00000010
545 #define QLCNIC_CDRP_CMD_SET_MTU                 0x00000012
546 #define QLCNIC_CDRP_CMD_READ_PHY		0x00000013
547 #define QLCNIC_CDRP_CMD_WRITE_PHY		0x00000014
548 #define QLCNIC_CDRP_CMD_READ_HW_REG		0x00000015
549 #define QLCNIC_CDRP_CMD_GET_FLOW_CTL		0x00000016
550 #define QLCNIC_CDRP_CMD_SET_FLOW_CTL		0x00000017
551 #define QLCNIC_CDRP_CMD_READ_MAX_MTU		0x00000018
552 #define QLCNIC_CDRP_CMD_READ_MAX_LRO		0x00000019
553 #define QLCNIC_CDRP_CMD_CONFIGURE_TOE		0x0000001a
554 #define QLCNIC_CDRP_CMD_FUNC_ATTRIB		0x0000001b
555 #define QLCNIC_CDRP_CMD_READ_PEXQ_PARAMETERS	0x0000001c
556 #define QLCNIC_CDRP_CMD_GET_LIC_CAPABILITIES	0x0000001d
557 #define QLCNIC_CDRP_CMD_READ_MAX_LRO_PER_BOARD	0x0000001e
558 #define QLCNIC_CDRP_CMD_MAC_ADDRESS		0x0000001f
559 
560 #define QLCNIC_CDRP_CMD_GET_PCI_INFO		0x00000020
561 #define QLCNIC_CDRP_CMD_GET_NIC_INFO		0x00000021
562 #define QLCNIC_CDRP_CMD_SET_NIC_INFO		0x00000022
563 #define QLCNIC_CDRP_CMD_RESET_NPAR		0x00000023
564 #define QLCNIC_CDRP_CMD_GET_ESWITCH_CAPABILITY	0x00000024
565 #define QLCNIC_CDRP_CMD_TOGGLE_ESWITCH		0x00000025
566 #define QLCNIC_CDRP_CMD_GET_ESWITCH_STATUS	0x00000026
567 #define QLCNIC_CDRP_CMD_SET_PORTMIRRORING	0x00000027
568 #define QLCNIC_CDRP_CMD_CONFIGURE_ESWITCH	0x00000028
569 #define QLCNIC_CDRP_CMD_GET_ESWITCH_PORT_CONFIG	0x00000029
570 #define QLCNIC_CDRP_CMD_GET_ESWITCH_STATS	0x0000002a
571 
572 #define QLCNIC_RCODE_SUCCESS		0
573 #define QLCNIC_RCODE_TIMEOUT		17
574 #define QLCNIC_DESTROY_CTX_RESET	0
575 
576 /*
577  * Capabilities Announced
578  */
579 #define QLCNIC_CAP0_LEGACY_CONTEXT	(1)
580 #define QLCNIC_CAP0_LEGACY_MN		(1 << 2)
581 #define QLCNIC_CAP0_LSO 		(1 << 6)
582 #define QLCNIC_CAP0_JUMBO_CONTIGUOUS	(1 << 7)
583 #define QLCNIC_CAP0_LRO_CONTIGUOUS	(1 << 8)
584 #define QLCNIC_CAP0_VALIDOFF		(1 << 11)
585 
586 /*
587  * Context state
588  */
589 #define QLCNIC_HOST_CTX_STATE_FREED	0
590 #define QLCNIC_HOST_CTX_STATE_ACTIVE	2
591 
592 /*
593  * Rx context
594  */
595 
596 struct qlcnic_hostrq_sds_ring {
597 	__le64 host_phys_addr;	/* Ring base addr */
598 	__le32 ring_size;		/* Ring entries */
599 	__le16 msi_index;
600 	__le16 rsvd;		/* Padding */
601 };
602 
603 struct qlcnic_hostrq_rds_ring {
604 	__le64 host_phys_addr;	/* Ring base addr */
605 	__le64 buff_size;		/* Packet buffer size */
606 	__le32 ring_size;		/* Ring entries */
607 	__le32 ring_kind;		/* Class of ring */
608 };
609 
610 struct qlcnic_hostrq_rx_ctx {
611 	__le64 host_rsp_dma_addr;	/* Response dma'd here */
612 	__le32 capabilities[4];	/* Flag bit vector */
613 	__le32 host_int_crb_mode;	/* Interrupt crb usage */
614 	__le32 host_rds_crb_mode;	/* RDS crb usage */
615 	/* These ring offsets are relative to data[0] below */
616 	__le32 rds_ring_offset;	/* Offset to RDS config */
617 	__le32 sds_ring_offset;	/* Offset to SDS config */
618 	__le16 num_rds_rings;	/* Count of RDS rings */
619 	__le16 num_sds_rings;	/* Count of SDS rings */
620 	__le16 valid_field_offset;
621 	u8  txrx_sds_binding;
622 	u8  msix_handler;
623 	u8  reserved[128];      /* reserve space for future expansion*/
624 	/* MUST BE 64-bit aligned.
625 	   The following is packed:
626 	   - N hostrq_rds_rings
627 	   - N hostrq_sds_rings */
628 	char data[0];
629 };
630 
631 struct qlcnic_cardrsp_rds_ring{
632 	__le32 host_producer_crb;	/* Crb to use */
633 	__le32 rsvd1;		/* Padding */
634 };
635 
636 struct qlcnic_cardrsp_sds_ring {
637 	__le32 host_consumer_crb;	/* Crb to use */
638 	__le32 interrupt_crb;	/* Crb to use */
639 };
640 
641 struct qlcnic_cardrsp_rx_ctx {
642 	/* These ring offsets are relative to data[0] below */
643 	__le32 rds_ring_offset;	/* Offset to RDS config */
644 	__le32 sds_ring_offset;	/* Offset to SDS config */
645 	__le32 host_ctx_state;	/* Starting State */
646 	__le32 num_fn_per_port;	/* How many PCI fn share the port */
647 	__le16 num_rds_rings;	/* Count of RDS rings */
648 	__le16 num_sds_rings;	/* Count of SDS rings */
649 	__le16 context_id;		/* Handle for context */
650 	u8  phys_port;		/* Physical id of port */
651 	u8  virt_port;		/* Virtual/Logical id of port */
652 	u8  reserved[128];	/* save space for future expansion */
653 	/*  MUST BE 64-bit aligned.
654 	   The following is packed:
655 	   - N cardrsp_rds_rings
656 	   - N cardrs_sds_rings */
657 	char data[0];
658 };
659 
660 #define SIZEOF_HOSTRQ_RX(HOSTRQ_RX, rds_rings, sds_rings)	\
661 	(sizeof(HOSTRQ_RX) + 					\
662 	(rds_rings)*(sizeof(struct qlcnic_hostrq_rds_ring)) +		\
663 	(sds_rings)*(sizeof(struct qlcnic_hostrq_sds_ring)))
664 
665 #define SIZEOF_CARDRSP_RX(CARDRSP_RX, rds_rings, sds_rings) 	\
666 	(sizeof(CARDRSP_RX) + 					\
667 	(rds_rings)*(sizeof(struct qlcnic_cardrsp_rds_ring)) + 		\
668 	(sds_rings)*(sizeof(struct qlcnic_cardrsp_sds_ring)))
669 
670 /*
671  * Tx context
672  */
673 
674 struct qlcnic_hostrq_cds_ring {
675 	__le64 host_phys_addr;	/* Ring base addr */
676 	__le32 ring_size;		/* Ring entries */
677 	__le32 rsvd;		/* Padding */
678 };
679 
680 struct qlcnic_hostrq_tx_ctx {
681 	__le64 host_rsp_dma_addr;	/* Response dma'd here */
682 	__le64 cmd_cons_dma_addr;	/*  */
683 	__le64 dummy_dma_addr;	/*  */
684 	__le32 capabilities[4];	/* Flag bit vector */
685 	__le32 host_int_crb_mode;	/* Interrupt crb usage */
686 	__le32 rsvd1;		/* Padding */
687 	__le16 rsvd2;		/* Padding */
688 	__le16 interrupt_ctl;
689 	__le16 msi_index;
690 	__le16 rsvd3;		/* Padding */
691 	struct qlcnic_hostrq_cds_ring cds_ring;	/* Desc of cds ring */
692 	u8  reserved[128];	/* future expansion */
693 };
694 
695 struct qlcnic_cardrsp_cds_ring {
696 	__le32 host_producer_crb;	/* Crb to use */
697 	__le32 interrupt_crb;	/* Crb to use */
698 };
699 
700 struct qlcnic_cardrsp_tx_ctx {
701 	__le32 host_ctx_state;	/* Starting state */
702 	__le16 context_id;		/* Handle for context */
703 	u8  phys_port;		/* Physical id of port */
704 	u8  virt_port;		/* Virtual/Logical id of port */
705 	struct qlcnic_cardrsp_cds_ring cds_ring;	/* Card cds settings */
706 	u8  reserved[128];	/* future expansion */
707 };
708 
709 #define SIZEOF_HOSTRQ_TX(HOSTRQ_TX)	(sizeof(HOSTRQ_TX))
710 #define SIZEOF_CARDRSP_TX(CARDRSP_TX)	(sizeof(CARDRSP_TX))
711 
712 /* CRB */
713 
714 #define QLCNIC_HOST_RDS_CRB_MODE_UNIQUE	0
715 #define QLCNIC_HOST_RDS_CRB_MODE_SHARED	1
716 #define QLCNIC_HOST_RDS_CRB_MODE_CUSTOM	2
717 #define QLCNIC_HOST_RDS_CRB_MODE_MAX	3
718 
719 #define QLCNIC_HOST_INT_CRB_MODE_UNIQUE	0
720 #define QLCNIC_HOST_INT_CRB_MODE_SHARED	1
721 #define QLCNIC_HOST_INT_CRB_MODE_NORX	2
722 #define QLCNIC_HOST_INT_CRB_MODE_NOTX	3
723 #define QLCNIC_HOST_INT_CRB_MODE_NORXTX	4
724 
725 
726 /* MAC */
727 
728 #define MC_COUNT_P3P	38
729 
730 #define QLCNIC_MAC_NOOP	0
731 #define QLCNIC_MAC_ADD	1
732 #define QLCNIC_MAC_DEL	2
733 #define QLCNIC_MAC_VLAN_ADD	3
734 #define QLCNIC_MAC_VLAN_DEL	4
735 
736 struct qlcnic_mac_list_s {
737 	struct list_head list;
738 	uint8_t mac_addr[ETH_ALEN+2];
739 };
740 
741 /*
742  * Interrupt coalescing defaults. The defaults are for 1500 MTU. It is
743  * adjusted based on configured MTU.
744  */
745 #define QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US	3
746 #define QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS	256
747 #define QLCNIC_DEFAULT_INTR_COALESCE_TX_PACKETS	64
748 #define QLCNIC_DEFAULT_INTR_COALESCE_TX_TIME_US	4
749 
750 #define QLCNIC_INTR_DEFAULT			0x04
751 
752 union qlcnic_nic_intr_coalesce_data {
753 	struct {
754 		u16	rx_packets;
755 		u16	rx_time_us;
756 		u16	tx_packets;
757 		u16	tx_time_us;
758 	} data;
759 	u64		word;
760 };
761 
762 struct qlcnic_nic_intr_coalesce {
763 	u16		stats_time_us;
764 	u16		rate_sample_time;
765 	u16		flags;
766 	u16		rsvd_1;
767 	u32		low_threshold;
768 	u32		high_threshold;
769 	union qlcnic_nic_intr_coalesce_data	normal;
770 	union qlcnic_nic_intr_coalesce_data	low;
771 	union qlcnic_nic_intr_coalesce_data	high;
772 	union qlcnic_nic_intr_coalesce_data	irq;
773 };
774 
775 #define QLCNIC_HOST_REQUEST	0x13
776 #define QLCNIC_REQUEST		0x14
777 
778 #define QLCNIC_MAC_EVENT	0x1
779 
780 #define QLCNIC_IP_UP		2
781 #define QLCNIC_IP_DOWN		3
782 
783 /*
784  * Driver --> Firmware
785  */
786 #define QLCNIC_H2C_OPCODE_START 			0
787 #define QLCNIC_H2C_OPCODE_CONFIG_RSS			1
788 #define QLCNIC_H2C_OPCODE_CONFIG_RSS_TBL		2
789 #define QLCNIC_H2C_OPCODE_CONFIG_INTR_COALESCE		3
790 #define QLCNIC_H2C_OPCODE_CONFIG_LED			4
791 #define QLCNIC_H2C_OPCODE_CONFIG_PROMISCUOUS		5
792 #define QLCNIC_H2C_OPCODE_CONFIG_L2_MAC 		6
793 #define QLCNIC_H2C_OPCODE_LRO_REQUEST			7
794 #define QLCNIC_H2C_OPCODE_GET_SNMP_STATS		8
795 #define QLCNIC_H2C_OPCODE_PROXY_START_REQUEST		9
796 #define QLCNIC_H2C_OPCODE_PROXY_STOP_REQUEST		10
797 #define QLCNIC_H2C_OPCODE_PROXY_SET_MTU 		11
798 #define QLCNIC_H2C_OPCODE_PROXY_SET_VPORT_MISS_MODE	12
799 #define QLCNIC_H2C_OPCODE_GET_FINGER_PRINT_REQUEST	13
800 #define QLCNIC_H2C_OPCODE_INSTALL_LICENSE_REQUEST	14
801 #define QLCNIC_H2C_OPCODE_GET_LICENSE_CAPABILITY_REQUEST	15
802 #define QLCNIC_H2C_OPCODE_GET_NET_STATS 		16
803 #define QLCNIC_H2C_OPCODE_PROXY_UPDATE_P2V		17
804 #define QLCNIC_H2C_OPCODE_CONFIG_IPADDR 		18
805 #define QLCNIC_H2C_OPCODE_PROXY_STOP_DONE		20
806 #define QLCNIC_H2C_OPCODE_GET_LINKEVENT 		21
807 #define QLCNIC_C2C_OPCODE				22
808 #define QLCNIC_H2C_OPCODE_CONFIG_BRIDGING		23
809 #define QLCNIC_H2C_OPCODE_CONFIG_HW_LRO 		24
810 #define QLCNIC_H2C_OPCODE_LAST				25
811 /*
812  * Firmware --> Driver
813  */
814 
815 #define QLCNIC_C2H_OPCODE_START 			128
816 #define QLCNIC_C2H_OPCODE_CONFIG_RSS_RESPONSE		129
817 #define QLCNIC_C2H_OPCODE_CONFIG_RSS_TBL_RESPONSE	130
818 #define QLCNIC_C2H_OPCODE_CONFIG_MAC_RESPONSE		131
819 #define QLCNIC_C2H_OPCODE_CONFIG_PROMISCUOUS_RESPONSE	132
820 #define QLCNIC_C2H_OPCODE_CONFIG_L2_MAC_RESPONSE	133
821 #define QLCNIC_C2H_OPCODE_LRO_DELETE_RESPONSE		134
822 #define QLCNIC_C2H_OPCODE_LRO_ADD_FAILURE_RESPONSE	135
823 #define QLCNIC_C2H_OPCODE_GET_SNMP_STATS		136
824 #define QLCNIC_C2H_OPCODE_GET_FINGER_PRINT_REPLY	137
825 #define QLCNIC_C2H_OPCODE_INSTALL_LICENSE_REPLY 	138
826 #define QLCNIC_C2H_OPCODE_GET_LICENSE_CAPABILITIES_REPLY 139
827 #define QLCNIC_C2H_OPCODE_GET_NET_STATS_RESPONSE	140
828 #define QLCNIC_C2H_OPCODE_GET_LINKEVENT_RESPONSE	141
829 #define QLCNIC_C2H_OPCODE_LAST				142
830 
831 #define VPORT_MISS_MODE_DROP		0 /* drop all unmatched */
832 #define VPORT_MISS_MODE_ACCEPT_ALL	1 /* accept all packets */
833 #define VPORT_MISS_MODE_ACCEPT_MULTI	2 /* accept unmatched multicast */
834 
835 #define QLCNIC_LRO_REQUEST_CLEANUP	4
836 
837 /* Capabilites received */
838 #define QLCNIC_FW_CAPABILITY_TSO		BIT_1
839 #define QLCNIC_FW_CAPABILITY_BDG		BIT_8
840 #define QLCNIC_FW_CAPABILITY_FVLANTX		BIT_9
841 #define QLCNIC_FW_CAPABILITY_HW_LRO		BIT_10
842 
843 /* module types */
844 #define LINKEVENT_MODULE_NOT_PRESENT			1
845 #define LINKEVENT_MODULE_OPTICAL_UNKNOWN		2
846 #define LINKEVENT_MODULE_OPTICAL_SRLR			3
847 #define LINKEVENT_MODULE_OPTICAL_LRM			4
848 #define LINKEVENT_MODULE_OPTICAL_SFP_1G 		5
849 #define LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLE	6
850 #define LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLELEN	7
851 #define LINKEVENT_MODULE_TWINAX 			8
852 
853 #define LINKSPEED_10GBPS	10000
854 #define LINKSPEED_1GBPS 	1000
855 #define LINKSPEED_100MBPS	100
856 #define LINKSPEED_10MBPS	10
857 
858 #define LINKSPEED_ENCODED_10MBPS	0
859 #define LINKSPEED_ENCODED_100MBPS	1
860 #define LINKSPEED_ENCODED_1GBPS 	2
861 
862 #define LINKEVENT_AUTONEG_DISABLED	0
863 #define LINKEVENT_AUTONEG_ENABLED	1
864 
865 #define LINKEVENT_HALF_DUPLEX		0
866 #define LINKEVENT_FULL_DUPLEX		1
867 
868 #define LINKEVENT_LINKSPEED_MBPS	0
869 #define LINKEVENT_LINKSPEED_ENCODED	1
870 
871 /* firmware response header:
872  *	63:58 - message type
873  *	57:56 - owner
874  *	55:53 - desc count
875  *	52:48 - reserved
876  *	47:40 - completion id
877  *	39:32 - opcode
878  *	31:16 - error code
879  *	15:00 - reserved
880  */
881 #define qlcnic_get_nic_msg_opcode(msg_hdr)	\
882 	((msg_hdr >> 32) & 0xFF)
883 
884 struct qlcnic_fw_msg {
885 	union {
886 		struct {
887 			u64 hdr;
888 			u64 body[7];
889 		};
890 		u64 words[8];
891 	};
892 };
893 
894 struct qlcnic_nic_req {
895 	__le64 qhdr;
896 	__le64 req_hdr;
897 	__le64 words[6];
898 };
899 
900 struct qlcnic_mac_req {
901 	u8 op;
902 	u8 tag;
903 	u8 mac_addr[6];
904 };
905 
906 struct qlcnic_vlan_req {
907 	__le16 vlan_id;
908 	__le16 rsvd[3];
909 };
910 
911 struct qlcnic_ipaddr {
912 	__be32 ipv4;
913 	__be32 ipv6[4];
914 };
915 
916 #define QLCNIC_MSI_ENABLED		0x02
917 #define QLCNIC_MSIX_ENABLED		0x04
918 #define QLCNIC_LRO_ENABLED		0x08
919 #define QLCNIC_LRO_DISABLED		0x00
920 #define QLCNIC_BRIDGE_ENABLED       	0X10
921 #define QLCNIC_DIAG_ENABLED		0x20
922 #define QLCNIC_ESWITCH_ENABLED		0x40
923 #define QLCNIC_ADAPTER_INITIALIZED	0x80
924 #define QLCNIC_TAGGING_ENABLED		0x100
925 #define QLCNIC_MACSPOOF			0x200
926 #define QLCNIC_MAC_OVERRIDE_DISABLED	0x400
927 #define QLCNIC_PROMISC_DISABLED		0x800
928 #define QLCNIC_NEED_FLR			0x1000
929 #define QLCNIC_IS_MSI_FAMILY(adapter) \
930 	((adapter)->flags & (QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED))
931 
932 #define MSIX_ENTRIES_PER_ADAPTER	NUM_STS_DESC_RINGS
933 #define QLCNIC_MSIX_TBL_SPACE		8192
934 #define QLCNIC_PCI_REG_MSIX_TBL 	0x44
935 #define QLCNIC_MSIX_TBL_PGSIZE		4096
936 
937 #define QLCNIC_NETDEV_WEIGHT	128
938 #define QLCNIC_ADAPTER_UP_MAGIC 777
939 
940 #define __QLCNIC_FW_ATTACHED		0
941 #define __QLCNIC_DEV_UP 		1
942 #define __QLCNIC_RESETTING		2
943 #define __QLCNIC_START_FW 		4
944 #define __QLCNIC_AER			5
945 
946 #define QLCNIC_INTERRUPT_TEST		1
947 #define QLCNIC_LOOPBACK_TEST		2
948 #define QLCNIC_LED_TEST		3
949 
950 #define QLCNIC_FILTER_AGE	80
951 #define QLCNIC_READD_AGE	20
952 #define QLCNIC_LB_MAX_FILTERS	64
953 
954 struct qlcnic_filter {
955 	struct hlist_node fnode;
956 	u8 faddr[ETH_ALEN];
957 	__le16 vlan_id;
958 	unsigned long ftime;
959 };
960 
961 struct qlcnic_filter_hash {
962 	struct hlist_head *fhead;
963 	u8 fnum;
964 	u8 fmax;
965 };
966 
967 struct qlcnic_adapter {
968 	struct qlcnic_hardware_context ahw;
969 
970 	struct net_device *netdev;
971 	struct pci_dev *pdev;
972 	struct list_head mac_list;
973 
974 	spinlock_t tx_clean_lock;
975 	spinlock_t mac_learn_lock;
976 
977 	u16 num_txd;
978 	u16 num_rxd;
979 	u16 num_jumbo_rxd;
980 	u16 max_rxd;
981 	u16 max_jumbo_rxd;
982 
983 	u8 max_rds_rings;
984 	u8 max_sds_rings;
985 	u8 msix_supported;
986 	u8 rx_csum;
987 	u8 portnum;
988 	u8 physical_port;
989 	u8 reset_context;
990 
991 	u8 mc_enabled;
992 	u8 max_mc_count;
993 	u8 rss_supported;
994 	u8 fw_wait_cnt;
995 	u8 fw_fail_cnt;
996 	u8 tx_timeo_cnt;
997 	u8 need_fw_reset;
998 
999 	u8 has_link_events;
1000 	u8 fw_type;
1001 	u16 tx_context_id;
1002 	u16 is_up;
1003 
1004 	u16 link_speed;
1005 	u16 link_duplex;
1006 	u16 link_autoneg;
1007 	u16 module_type;
1008 
1009 	u16 op_mode;
1010 	u16 switch_mode;
1011 	u16 max_tx_ques;
1012 	u16 max_rx_ques;
1013 	u16 max_mtu;
1014 	u16 pvid;
1015 
1016 	u32 fw_hal_version;
1017 	u32 capabilities;
1018 	u32 flags;
1019 	u32 irq;
1020 	u32 temp;
1021 
1022 	u32 int_vec_bit;
1023 	u32 heartbeat;
1024 
1025 	u8 max_mac_filters;
1026 	u8 dev_state;
1027 	u8 diag_test;
1028 	u8 diag_cnt;
1029 	u8 reset_ack_timeo;
1030 	u8 dev_init_timeo;
1031 	u16 msg_enable;
1032 
1033 	u8 mac_addr[ETH_ALEN];
1034 
1035 	u64 dev_rst_time;
1036 
1037 	struct vlan_group *vlgrp;
1038 	struct qlcnic_npar_info *npars;
1039 	struct qlcnic_eswitch *eswitch;
1040 	struct qlcnic_nic_template *nic_ops;
1041 
1042 	struct qlcnic_adapter_stats stats;
1043 
1044 	struct qlcnic_recv_context recv_ctx;
1045 	struct qlcnic_host_tx_ring *tx_ring;
1046 
1047 	void __iomem	*tgt_mask_reg;
1048 	void __iomem	*tgt_status_reg;
1049 	void __iomem	*crb_int_state_reg;
1050 	void __iomem	*isr_int_vec;
1051 
1052 	struct msix_entry msix_entries[MSIX_ENTRIES_PER_ADAPTER];
1053 
1054 	struct delayed_work fw_work;
1055 
1056 	struct qlcnic_nic_intr_coalesce coal;
1057 
1058 	struct qlcnic_filter_hash fhash;
1059 
1060 	unsigned long state;
1061 	__le32 file_prd_off;	/*File fw product offset*/
1062 	u32 fw_version;
1063 	const struct firmware *fw;
1064 };
1065 
1066 struct qlcnic_info {
1067 	__le16	pci_func;
1068 	__le16	op_mode; /* 1 = Priv, 2 = NP, 3 = NP passthru */
1069 	__le16	phys_port;
1070 	__le16	switch_mode; /* 0 = disabled, 1 = int, 2 = ext */
1071 
1072 	__le32	capabilities;
1073 	u8	max_mac_filters;
1074 	u8	reserved1;
1075 	__le16	max_mtu;
1076 
1077 	__le16	max_tx_ques;
1078 	__le16	max_rx_ques;
1079 	__le16	min_tx_bw;
1080 	__le16	max_tx_bw;
1081 	u8	reserved2[104];
1082 };
1083 
1084 struct qlcnic_pci_info {
1085 	__le16	id; /* pci function id */
1086 	__le16	active; /* 1 = Enabled */
1087 	__le16	type; /* 1 = NIC, 2 = FCoE, 3 = iSCSI */
1088 	__le16	default_port; /* default port number */
1089 
1090 	__le16	tx_min_bw; /* Multiple of 100mbpc */
1091 	__le16	tx_max_bw;
1092 	__le16	reserved1[2];
1093 
1094 	u8	mac[ETH_ALEN];
1095 	u8	reserved2[106];
1096 };
1097 
1098 struct qlcnic_npar_info {
1099 	u16	pvid;
1100 	u16	min_bw;
1101 	u16	max_bw;
1102 	u8	phy_port;
1103 	u8	type;
1104 	u8	active;
1105 	u8	enable_pm;
1106 	u8	dest_npar;
1107 	u8	discard_tagged;
1108 	u8	mac_override;
1109 	u8	mac_anti_spoof;
1110 	u8	promisc_mode;
1111 	u8	offload_flags;
1112 };
1113 
1114 struct qlcnic_eswitch {
1115 	u8	port;
1116 	u8	active_vports;
1117 	u8	active_vlans;
1118 	u8	active_ucast_filters;
1119 	u8	max_ucast_filters;
1120 	u8	max_active_vlans;
1121 
1122 	u32	flags;
1123 #define QLCNIC_SWITCH_ENABLE		BIT_1
1124 #define QLCNIC_SWITCH_VLAN_FILTERING	BIT_2
1125 #define QLCNIC_SWITCH_PROMISC_MODE	BIT_3
1126 #define QLCNIC_SWITCH_PORT_MIRRORING	BIT_4
1127 };
1128 
1129 
1130 /* Return codes for Error handling */
1131 #define QL_STATUS_INVALID_PARAM	-1
1132 
1133 #define MAX_BW			100	/* % of link speed */
1134 #define MAX_VLAN_ID		4095
1135 #define MIN_VLAN_ID		2
1136 #define DEFAULT_MAC_LEARN	1
1137 
1138 #define IS_VALID_VLAN(vlan)	(vlan >= MIN_VLAN_ID && vlan < MAX_VLAN_ID)
1139 #define IS_VALID_BW(bw)		(bw <= MAX_BW)
1140 
1141 struct qlcnic_pci_func_cfg {
1142 	u16	func_type;
1143 	u16	min_bw;
1144 	u16	max_bw;
1145 	u16	port_num;
1146 	u8	pci_func;
1147 	u8	func_state;
1148 	u8	def_mac_addr[6];
1149 };
1150 
1151 struct qlcnic_npar_func_cfg {
1152 	u32	fw_capab;
1153 	u16	port_num;
1154 	u16	min_bw;
1155 	u16	max_bw;
1156 	u16	max_tx_queues;
1157 	u16	max_rx_queues;
1158 	u8	pci_func;
1159 	u8	op_mode;
1160 };
1161 
1162 struct qlcnic_pm_func_cfg {
1163 	u8	pci_func;
1164 	u8	action;
1165 	u8	dest_npar;
1166 	u8	reserved[5];
1167 };
1168 
1169 struct qlcnic_esw_func_cfg {
1170 	u16	vlan_id;
1171 	u8	op_mode;
1172 	u8	op_type;
1173 	u8	pci_func;
1174 	u8	host_vlan_tag;
1175 	u8	promisc_mode;
1176 	u8	discard_tagged;
1177 	u8	mac_override;
1178 	u8	mac_anti_spoof;
1179 	u8	offload_flags;
1180 	u8	reserved[5];
1181 };
1182 
1183 #define QLCNIC_STATS_VERSION		1
1184 #define QLCNIC_STATS_PORT		1
1185 #define QLCNIC_STATS_ESWITCH		2
1186 #define QLCNIC_QUERY_RX_COUNTER		0
1187 #define QLCNIC_QUERY_TX_COUNTER		1
1188 #define QLCNIC_ESW_STATS_NOT_AVAIL	0xffffffffffffffffULL
1189 
1190 #define QLCNIC_ADD_ESW_STATS(VAL1, VAL2)\
1191 do {	\
1192 	if (((VAL1) == QLCNIC_ESW_STATS_NOT_AVAIL) && \
1193 	    ((VAL2) != QLCNIC_ESW_STATS_NOT_AVAIL)) \
1194 		(VAL1) = (VAL2); \
1195 	else if (((VAL1) != QLCNIC_ESW_STATS_NOT_AVAIL) && \
1196 		 ((VAL2) != QLCNIC_ESW_STATS_NOT_AVAIL)) \
1197 			(VAL1) += (VAL2); \
1198 } while (0)
1199 
1200 struct __qlcnic_esw_statistics {
1201 	__le16 context_id;
1202 	__le16 version;
1203 	__le16 size;
1204 	__le16 unused;
1205 	__le64 unicast_frames;
1206 	__le64 multicast_frames;
1207 	__le64 broadcast_frames;
1208 	__le64 dropped_frames;
1209 	__le64 errors;
1210 	__le64 local_frames;
1211 	__le64 numbytes;
1212 	__le64 rsvd[3];
1213 };
1214 
1215 struct qlcnic_esw_statistics {
1216 	struct __qlcnic_esw_statistics rx;
1217 	struct __qlcnic_esw_statistics tx;
1218 };
1219 
1220 int qlcnic_fw_cmd_query_phy(struct qlcnic_adapter *adapter, u32 reg, u32 *val);
1221 int qlcnic_fw_cmd_set_phy(struct qlcnic_adapter *adapter, u32 reg, u32 val);
1222 
1223 u32 qlcnic_hw_read_wx_2M(struct qlcnic_adapter *adapter, ulong off);
1224 int qlcnic_hw_write_wx_2M(struct qlcnic_adapter *, ulong off, u32 data);
1225 int qlcnic_pci_mem_write_2M(struct qlcnic_adapter *, u64 off, u64 data);
1226 int qlcnic_pci_mem_read_2M(struct qlcnic_adapter *, u64 off, u64 *data);
1227 void qlcnic_pci_camqm_read_2M(struct qlcnic_adapter *, u64, u64 *);
1228 void qlcnic_pci_camqm_write_2M(struct qlcnic_adapter *, u64, u64);
1229 
1230 #define ADDR_IN_RANGE(addr, low, high)	\
1231 	(((addr) < (high)) && ((addr) >= (low)))
1232 
1233 #define QLCRD32(adapter, off) \
1234 	(qlcnic_hw_read_wx_2M(adapter, off))
1235 #define QLCWR32(adapter, off, val) \
1236 	(qlcnic_hw_write_wx_2M(adapter, off, val))
1237 
1238 int qlcnic_pcie_sem_lock(struct qlcnic_adapter *, int, u32);
1239 void qlcnic_pcie_sem_unlock(struct qlcnic_adapter *, int);
1240 
1241 #define qlcnic_rom_lock(a)	\
1242 	qlcnic_pcie_sem_lock((a), 2, QLCNIC_ROM_LOCK_ID)
1243 #define qlcnic_rom_unlock(a)	\
1244 	qlcnic_pcie_sem_unlock((a), 2)
1245 #define qlcnic_phy_lock(a)	\
1246 	qlcnic_pcie_sem_lock((a), 3, QLCNIC_PHY_LOCK_ID)
1247 #define qlcnic_phy_unlock(a)	\
1248 	qlcnic_pcie_sem_unlock((a), 3)
1249 #define qlcnic_api_lock(a)	\
1250 	qlcnic_pcie_sem_lock((a), 5, 0)
1251 #define qlcnic_api_unlock(a)	\
1252 	qlcnic_pcie_sem_unlock((a), 5)
1253 #define qlcnic_sw_lock(a)	\
1254 	qlcnic_pcie_sem_lock((a), 6, 0)
1255 #define qlcnic_sw_unlock(a)	\
1256 	qlcnic_pcie_sem_unlock((a), 6)
1257 #define crb_win_lock(a)	\
1258 	qlcnic_pcie_sem_lock((a), 7, QLCNIC_CRB_WIN_LOCK_ID)
1259 #define crb_win_unlock(a)	\
1260 	qlcnic_pcie_sem_unlock((a), 7)
1261 
1262 int qlcnic_get_board_info(struct qlcnic_adapter *adapter);
1263 int qlcnic_wol_supported(struct qlcnic_adapter *adapter);
1264 int qlcnic_config_led(struct qlcnic_adapter *adapter, u32 state, u32 rate);
1265 void qlcnic_prune_lb_filters(struct qlcnic_adapter *adapter);
1266 void qlcnic_delete_lb_filters(struct qlcnic_adapter *adapter);
1267 
1268 /* Functions from qlcnic_init.c */
1269 int qlcnic_load_firmware(struct qlcnic_adapter *adapter);
1270 int qlcnic_need_fw_reset(struct qlcnic_adapter *adapter);
1271 void qlcnic_request_firmware(struct qlcnic_adapter *adapter);
1272 void qlcnic_release_firmware(struct qlcnic_adapter *adapter);
1273 int qlcnic_pinit_from_rom(struct qlcnic_adapter *adapter);
1274 int qlcnic_setup_idc_param(struct qlcnic_adapter *adapter);
1275 int qlcnic_check_flash_fw_ver(struct qlcnic_adapter *adapter);
1276 
1277 int qlcnic_rom_fast_read(struct qlcnic_adapter *adapter, int addr, int *valp);
1278 int qlcnic_rom_fast_read_words(struct qlcnic_adapter *adapter, int addr,
1279 				u8 *bytes, size_t size);
1280 int qlcnic_alloc_sw_resources(struct qlcnic_adapter *adapter);
1281 void qlcnic_free_sw_resources(struct qlcnic_adapter *adapter);
1282 
1283 void __iomem *qlcnic_get_ioaddr(struct qlcnic_adapter *, u32);
1284 
1285 int qlcnic_alloc_hw_resources(struct qlcnic_adapter *adapter);
1286 void qlcnic_free_hw_resources(struct qlcnic_adapter *adapter);
1287 
1288 int qlcnic_fw_create_ctx(struct qlcnic_adapter *adapter);
1289 void qlcnic_fw_destroy_ctx(struct qlcnic_adapter *adapter);
1290 
1291 void qlcnic_reset_rx_buffers_list(struct qlcnic_adapter *adapter);
1292 void qlcnic_release_rx_buffers(struct qlcnic_adapter *adapter);
1293 void qlcnic_release_tx_buffers(struct qlcnic_adapter *adapter);
1294 
1295 int qlcnic_check_fw_status(struct qlcnic_adapter *adapter);
1296 void qlcnic_watchdog_task(struct work_struct *work);
1297 void qlcnic_post_rx_buffers(struct qlcnic_adapter *adapter, u32 ringid,
1298 		struct qlcnic_host_rds_ring *rds_ring);
1299 int qlcnic_process_rcv_ring(struct qlcnic_host_sds_ring *sds_ring, int max);
1300 void qlcnic_set_multi(struct net_device *netdev);
1301 void qlcnic_free_mac_list(struct qlcnic_adapter *adapter);
1302 int qlcnic_nic_set_promisc(struct qlcnic_adapter *adapter, u32);
1303 int qlcnic_config_intr_coalesce(struct qlcnic_adapter *adapter);
1304 int qlcnic_config_rss(struct qlcnic_adapter *adapter, int enable);
1305 int qlcnic_config_ipaddr(struct qlcnic_adapter *adapter, __be32 ip, int cmd);
1306 int qlcnic_linkevent_request(struct qlcnic_adapter *adapter, int enable);
1307 void qlcnic_advert_link_change(struct qlcnic_adapter *adapter, int linkup);
1308 
1309 int qlcnic_fw_cmd_set_mtu(struct qlcnic_adapter *adapter, int mtu);
1310 int qlcnic_change_mtu(struct net_device *netdev, int new_mtu);
1311 int qlcnic_config_hw_lro(struct qlcnic_adapter *adapter, int enable);
1312 int qlcnic_config_bridged_mode(struct qlcnic_adapter *adapter, u32 enable);
1313 int qlcnic_send_lro_cleanup(struct qlcnic_adapter *adapter);
1314 void qlcnic_update_cmd_producer(struct qlcnic_adapter *adapter,
1315 		struct qlcnic_host_tx_ring *tx_ring);
1316 void qlcnic_fetch_mac(struct qlcnic_adapter *, u32, u32, u8, u8 *);
1317 
1318 /* Functions from qlcnic_main.c */
1319 int qlcnic_reset_context(struct qlcnic_adapter *);
1320 u32 qlcnic_issue_cmd(struct qlcnic_adapter *adapter,
1321 	u32 pci_fn, u32 version, u32 arg1, u32 arg2, u32 arg3, u32 cmd);
1322 void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings);
1323 int qlcnic_diag_alloc_res(struct net_device *netdev, int test);
1324 netdev_tx_t qlcnic_xmit_frame(struct sk_buff *skb, struct net_device *netdev);
1325 
1326 /* Management functions */
1327 int qlcnic_get_mac_address(struct qlcnic_adapter *, u8*);
1328 int qlcnic_get_nic_info(struct qlcnic_adapter *, struct qlcnic_info *, u8);
1329 int qlcnic_set_nic_info(struct qlcnic_adapter *, struct qlcnic_info *);
1330 int qlcnic_get_pci_info(struct qlcnic_adapter *, struct qlcnic_pci_info*);
1331 
1332 /*  eSwitch management functions */
1333 int qlcnic_config_switch_port(struct qlcnic_adapter *,
1334 				struct qlcnic_esw_func_cfg *);
1335 int qlcnic_get_eswitch_port_config(struct qlcnic_adapter *,
1336 				struct qlcnic_esw_func_cfg *);
1337 int qlcnic_config_port_mirroring(struct qlcnic_adapter *, u8, u8, u8);
1338 int qlcnic_get_port_stats(struct qlcnic_adapter *, const u8, const u8,
1339 					struct __qlcnic_esw_statistics *);
1340 int qlcnic_get_eswitch_stats(struct qlcnic_adapter *, const u8, u8,
1341 					struct __qlcnic_esw_statistics *);
1342 int qlcnic_clear_esw_stats(struct qlcnic_adapter *adapter, u8, u8, u8);
1343 extern int qlcnic_config_tso;
1344 
1345 /*
1346  * QLOGIC Board information
1347  */
1348 
1349 #define QLCNIC_MAX_BOARD_NAME_LEN 100
1350 struct qlcnic_brdinfo {
1351 	unsigned short  vendor;
1352 	unsigned short  device;
1353 	unsigned short  sub_vendor;
1354 	unsigned short  sub_device;
1355 	char short_name[QLCNIC_MAX_BOARD_NAME_LEN];
1356 };
1357 
1358 static const struct qlcnic_brdinfo qlcnic_boards[] = {
1359 	{0x1077, 0x8020, 0x1077, 0x203,
1360 		"8200 Series Single Port 10GbE Converged Network Adapter "
1361 		"(TCP/IP Networking)"},
1362 	{0x1077, 0x8020, 0x1077, 0x207,
1363 		"8200 Series Dual Port 10GbE Converged Network Adapter "
1364 		"(TCP/IP Networking)"},
1365 	{0x1077, 0x8020, 0x1077, 0x20b,
1366 		"3200 Series Dual Port 10Gb Intelligent Ethernet Adapter"},
1367 	{0x1077, 0x8020, 0x1077, 0x20c,
1368 		"3200 Series Quad Port 1Gb Intelligent Ethernet Adapter"},
1369 	{0x1077, 0x8020, 0x1077, 0x20f,
1370 		"3200 Series Single Port 10Gb Intelligent Ethernet Adapter"},
1371 	{0x1077, 0x8020, 0x103c, 0x3733,
1372 		"NC523SFP 10Gb 2-port Server Adapter"},
1373 	{0x1077, 0x8020, 0x103c, 0x3346,
1374 		"CN1000Q Dual Port Converged Network Adapter"},
1375 	{0x1077, 0x8020, 0x0, 0x0, "cLOM8214 1/10GbE Controller"},
1376 };
1377 
1378 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
1379 
qlcnic_tx_avail(struct qlcnic_host_tx_ring * tx_ring)1380 static inline u32 qlcnic_tx_avail(struct qlcnic_host_tx_ring *tx_ring)
1381 {
1382 	smp_mb();
1383 	if (tx_ring->producer < tx_ring->sw_consumer)
1384 		return tx_ring->sw_consumer - tx_ring->producer;
1385 	else
1386 		return tx_ring->sw_consumer + tx_ring->num_desc -
1387 				tx_ring->producer;
1388 }
1389 
1390 extern const struct ethtool_ops qlcnic_ethtool_ops;
1391 
1392 struct qlcnic_nic_template {
1393 	int (*config_bridged_mode) (struct qlcnic_adapter *, u32);
1394 	int (*config_led) (struct qlcnic_adapter *, u32, u32);
1395 	int (*start_firmware) (struct qlcnic_adapter *);
1396 };
1397 
1398 #define QLCDB(adapter, lvl, _fmt, _args...) do {	\
1399 	if (NETIF_MSG_##lvl & adapter->msg_enable)	\
1400 		printk(KERN_INFO "%s: %s: " _fmt,	\
1401 			 dev_name(&adapter->pdev->dev),	\
1402 			__func__, ##_args);		\
1403 	} while (0)
1404 
1405 #endif				/* __QLCNIC_H_ */
1406