1 /*
2  * QLogic qlcnic NIC Driver
3  * Copyright (c) 2009-2013 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 #include <linux/ethtool.h>
24 #include <linux/mii.h>
25 #include <linux/timer.h>
26 
27 #include <linux/vmalloc.h>
28 
29 #include <linux/io.h>
30 #include <asm/byteorder.h>
31 #include <linux/bitops.h>
32 #include <linux/if_vlan.h>
33 
34 #include "qlcnic_hdr.h"
35 #include "qlcnic_hw.h"
36 #include "qlcnic_83xx_hw.h"
37 #include "qlcnic_dcb.h"
38 
39 #define _QLCNIC_LINUX_MAJOR 5
40 #define _QLCNIC_LINUX_MINOR 3
41 #define _QLCNIC_LINUX_SUBVERSION 55
42 #define QLCNIC_LINUX_VERSIONID  "5.3.55"
43 #define QLCNIC_DRV_IDC_VER  0x01
44 #define QLCNIC_DRIVER_VERSION  ((_QLCNIC_LINUX_MAJOR << 16) |\
45 		 (_QLCNIC_LINUX_MINOR << 8) | (_QLCNIC_LINUX_SUBVERSION))
46 
47 #define QLCNIC_VERSION_CODE(a, b, c)	(((a) << 24) + ((b) << 16) + (c))
48 #define _major(v)	(((v) >> 24) & 0xff)
49 #define _minor(v)	(((v) >> 16) & 0xff)
50 #define _build(v)	((v) & 0xffff)
51 
52 /* version in image has weird encoding:
53  *  7:0  - major
54  * 15:8  - minor
55  * 31:16 - build (little endian)
56  */
57 #define QLCNIC_DECODE_VERSION(v) \
58 	QLCNIC_VERSION_CODE(((v) & 0xff), (((v) >> 8) & 0xff), ((v) >> 16))
59 
60 #define QLCNIC_MIN_FW_VERSION     QLCNIC_VERSION_CODE(4, 4, 2)
61 #define QLCNIC_NUM_FLASH_SECTORS (64)
62 #define QLCNIC_FLASH_SECTOR_SIZE (64 * 1024)
63 #define QLCNIC_FLASH_TOTAL_SIZE  (QLCNIC_NUM_FLASH_SECTORS \
64 					* QLCNIC_FLASH_SECTOR_SIZE)
65 
66 #define RCV_DESC_RINGSIZE(rds_ring)	\
67 	(sizeof(struct rcv_desc) * (rds_ring)->num_desc)
68 #define RCV_BUFF_RINGSIZE(rds_ring)	\
69 	(sizeof(struct qlcnic_rx_buffer) * rds_ring->num_desc)
70 #define STATUS_DESC_RINGSIZE(sds_ring)	\
71 	(sizeof(struct status_desc) * (sds_ring)->num_desc)
72 #define TX_BUFF_RINGSIZE(tx_ring)	\
73 	(sizeof(struct qlcnic_cmd_buffer) * tx_ring->num_desc)
74 #define TX_DESC_RINGSIZE(tx_ring)	\
75 	(sizeof(struct cmd_desc_type0) * tx_ring->num_desc)
76 
77 #define QLCNIC_P3P_A0		0x50
78 #define QLCNIC_P3P_C0		0x58
79 
80 #define QLCNIC_IS_REVISION_P3P(REVISION)     (REVISION >= QLCNIC_P3P_A0)
81 
82 #define FIRST_PAGE_GROUP_START	0
83 #define FIRST_PAGE_GROUP_END	0x100000
84 
85 #define P3P_MAX_MTU                     (9600)
86 #define P3P_MIN_MTU                     (68)
87 #define QLCNIC_MAX_ETHERHDR                32 /* This contains some padding */
88 
89 #define QLCNIC_P3P_RX_BUF_MAX_LEN         (QLCNIC_MAX_ETHERHDR + ETH_DATA_LEN)
90 #define QLCNIC_P3P_RX_JUMBO_BUF_MAX_LEN   (QLCNIC_MAX_ETHERHDR + P3P_MAX_MTU)
91 #define QLCNIC_CT_DEFAULT_RX_BUF_LEN	2048
92 #define QLCNIC_LRO_BUFFER_EXTRA		2048
93 
94 /* Tx defines */
95 #define QLCNIC_MAX_FRAGS_PER_TX	14
96 #define MAX_TSO_HEADER_DESC	2
97 #define MGMT_CMD_DESC_RESV	4
98 #define TX_STOP_THRESH		((MAX_SKB_FRAGS >> 2) + MAX_TSO_HEADER_DESC \
99 							+ MGMT_CMD_DESC_RESV)
100 #define QLCNIC_MAX_TX_TIMEOUTS	2
101 
102 /* Driver will use 1 Tx ring in INT-x/MSI/SRIOV mode. */
103 #define QLCNIC_SINGLE_RING		1
104 #define QLCNIC_DEF_SDS_RINGS		4
105 #define QLCNIC_DEF_TX_RINGS		4
106 #define QLCNIC_MAX_VNIC_TX_RINGS	4
107 #define QLCNIC_MAX_VNIC_SDS_RINGS	4
108 #define QLCNIC_83XX_MINIMUM_VECTOR	3
109 #define QLCNIC_82XX_MINIMUM_VECTOR	2
110 
111 enum qlcnic_queue_type {
112 	QLCNIC_TX_QUEUE = 1,
113 	QLCNIC_RX_QUEUE,
114 };
115 
116 /* Operational mode for driver */
117 #define QLCNIC_VNIC_MODE	0xFF
118 #define QLCNIC_DEFAULT_MODE	0x0
119 
120 /* Virtual NIC function count */
121 #define QLC_DEFAULT_VNIC_COUNT	8
122 #define QLC_84XX_VNIC_COUNT	16
123 
124 /*
125  * Following are the states of the Phantom. Phantom will set them and
126  * Host will read to check if the fields are correct.
127  */
128 #define PHAN_INITIALIZE_FAILED		0xffff
129 #define PHAN_INITIALIZE_COMPLETE	0xff01
130 
131 /* Host writes the following to notify that it has done the init-handshake */
132 #define PHAN_INITIALIZE_ACK		0xf00f
133 #define PHAN_PEG_RCV_INITIALIZED	0xff01
134 
135 #define NUM_RCV_DESC_RINGS	3
136 
137 #define RCV_RING_NORMAL 0
138 #define RCV_RING_JUMBO	1
139 
140 #define MIN_CMD_DESCRIPTORS		64
141 #define MIN_RCV_DESCRIPTORS		64
142 #define MIN_JUMBO_DESCRIPTORS		32
143 
144 #define MAX_CMD_DESCRIPTORS		1024
145 #define MAX_RCV_DESCRIPTORS_1G		4096
146 #define MAX_RCV_DESCRIPTORS_10G 	8192
147 #define MAX_RCV_DESCRIPTORS_VF		2048
148 #define MAX_JUMBO_RCV_DESCRIPTORS_1G	512
149 #define MAX_JUMBO_RCV_DESCRIPTORS_10G	1024
150 
151 #define DEFAULT_RCV_DESCRIPTORS_1G	2048
152 #define DEFAULT_RCV_DESCRIPTORS_10G	4096
153 #define DEFAULT_RCV_DESCRIPTORS_VF	1024
154 #define MAX_RDS_RINGS                   2
155 
156 #define get_next_index(index, length)	\
157 	(((index) + 1) & ((length) - 1))
158 
159 /*
160  * Following data structures describe the descriptors that will be used.
161  * Added fileds of tcpHdrSize and ipHdrSize, The driver needs to do it only when
162  * we are doing LSO (above the 1500 size packet) only.
163  */
164 struct cmd_desc_type0 {
165 	u8 tcp_hdr_offset;	/* For LSO only */
166 	u8 ip_hdr_offset;	/* For LSO only */
167 	__le16 flags_opcode;	/* 15:13 unused, 12:7 opcode, 6:0 flags */
168 	__le32 nfrags__length;	/* 31:8 total len, 7:0 frag count */
169 
170 	__le64 addr_buffer2;
171 
172 	__le16 reference_handle;
173 	__le16 mss;
174 	u8 port_ctxid;		/* 7:4 ctxid 3:0 port */
175 	u8 total_hdr_length;	/* LSO only : MAC+IP+TCP Hdr size */
176 	__le16 conn_id;		/* IPSec offoad only */
177 
178 	__le64 addr_buffer3;
179 	__le64 addr_buffer1;
180 
181 	__le16 buffer_length[4];
182 
183 	__le64 addr_buffer4;
184 
185 	u8 eth_addr[ETH_ALEN];
186 	__le16 vlan_TCI;
187 
188 } __attribute__ ((aligned(64)));
189 
190 /* Note: sizeof(rcv_desc) should always be a mutliple of 2 */
191 struct rcv_desc {
192 	__le16 reference_handle;
193 	__le16 reserved;
194 	__le32 buffer_length;	/* allocated buffer length (usually 2K) */
195 	__le64 addr_buffer;
196 } __packed;
197 
198 struct status_desc {
199 	__le64 status_desc_data[2];
200 } __attribute__ ((aligned(16)));
201 
202 /* UNIFIED ROMIMAGE */
203 #define QLCNIC_UNI_FW_MIN_SIZE		0xc8000
204 #define QLCNIC_UNI_DIR_SECT_PRODUCT_TBL	0x0
205 #define QLCNIC_UNI_DIR_SECT_BOOTLD	0x6
206 #define QLCNIC_UNI_DIR_SECT_FW		0x7
207 
208 /*Offsets */
209 #define QLCNIC_UNI_CHIP_REV_OFF		10
210 #define QLCNIC_UNI_FLAGS_OFF		11
211 #define QLCNIC_UNI_BIOS_VERSION_OFF 	12
212 #define QLCNIC_UNI_BOOTLD_IDX_OFF	27
213 #define QLCNIC_UNI_FIRMWARE_IDX_OFF 	29
214 
215 struct uni_table_desc{
216 	__le32	findex;
217 	__le32	num_entries;
218 	__le32	entry_size;
219 	__le32	reserved[5];
220 };
221 
222 struct uni_data_desc{
223 	__le32	findex;
224 	__le32	size;
225 	__le32	reserved[5];
226 };
227 
228 /* Flash Defines and Structures */
229 #define QLCNIC_FLT_LOCATION	0x3F1000
230 #define QLCNIC_FDT_LOCATION     0x3F0000
231 #define QLCNIC_B0_FW_IMAGE_REGION 0x74
232 #define QLCNIC_C0_FW_IMAGE_REGION 0x97
233 #define QLCNIC_BOOTLD_REGION    0X72
234 struct qlcnic_flt_header {
235 	u16 version;
236 	u16 len;
237 	u16 checksum;
238 	u16 reserved;
239 };
240 
241 struct qlcnic_flt_entry {
242 	u8 region;
243 	u8 reserved0;
244 	u8 attrib;
245 	u8 reserved1;
246 	u32 size;
247 	u32 start_addr;
248 	u32 end_addr;
249 };
250 
251 /* Flash Descriptor Table */
252 struct qlcnic_fdt {
253 	u32	valid;
254 	u16	ver;
255 	u16	len;
256 	u16	cksum;
257 	u16	unused;
258 	u8	model[16];
259 	u16	mfg_id;
260 	u16	id;
261 	u8	flag;
262 	u8	erase_cmd;
263 	u8	alt_erase_cmd;
264 	u8	write_enable_cmd;
265 	u8	write_enable_bits;
266 	u8	write_statusreg_cmd;
267 	u8	unprotected_sec_cmd;
268 	u8	read_manuf_cmd;
269 	u32	block_size;
270 	u32	alt_block_size;
271 	u32	flash_size;
272 	u32	write_enable_data;
273 	u8	readid_addr_len;
274 	u8	write_disable_bits;
275 	u8	read_dev_id_len;
276 	u8	chip_erase_cmd;
277 	u16	read_timeo;
278 	u8	protected_sec_cmd;
279 	u8	resvd[65];
280 };
281 /* Magic number to let user know flash is programmed */
282 #define	QLCNIC_BDINFO_MAGIC 0x12345678
283 
284 #define QLCNIC_BRDTYPE_P3P_REF_QG	0x0021
285 #define QLCNIC_BRDTYPE_P3P_HMEZ		0x0022
286 #define QLCNIC_BRDTYPE_P3P_10G_CX4_LP	0x0023
287 #define QLCNIC_BRDTYPE_P3P_4_GB		0x0024
288 #define QLCNIC_BRDTYPE_P3P_IMEZ		0x0025
289 #define QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS	0x0026
290 #define QLCNIC_BRDTYPE_P3P_10000_BASE_T	0x0027
291 #define QLCNIC_BRDTYPE_P3P_XG_LOM	0x0028
292 #define QLCNIC_BRDTYPE_P3P_4_GB_MM	0x0029
293 #define QLCNIC_BRDTYPE_P3P_10G_SFP_CT	0x002a
294 #define QLCNIC_BRDTYPE_P3P_10G_SFP_QT	0x002b
295 #define QLCNIC_BRDTYPE_P3P_10G_CX4	0x0031
296 #define QLCNIC_BRDTYPE_P3P_10G_XFP	0x0032
297 #define QLCNIC_BRDTYPE_P3P_10G_TP	0x0080
298 
299 #define QLCNIC_MSIX_TABLE_OFFSET	0x44
300 
301 /* Flash memory map */
302 #define QLCNIC_BRDCFG_START	0x4000		/* board config */
303 #define QLCNIC_BOOTLD_START	0x10000		/* bootld */
304 #define QLCNIC_IMAGE_START	0x43000		/* compressed image */
305 #define QLCNIC_USER_START	0x3E8000	/* Firmare info */
306 
307 #define QLCNIC_FW_VERSION_OFFSET	(QLCNIC_USER_START+0x408)
308 #define QLCNIC_FW_SIZE_OFFSET		(QLCNIC_USER_START+0x40c)
309 #define QLCNIC_FW_SERIAL_NUM_OFFSET	(QLCNIC_USER_START+0x81c)
310 #define QLCNIC_BIOS_VERSION_OFFSET	(QLCNIC_USER_START+0x83c)
311 
312 #define QLCNIC_BRDTYPE_OFFSET		(QLCNIC_BRDCFG_START+0x8)
313 #define QLCNIC_FW_MAGIC_OFFSET		(QLCNIC_BRDCFG_START+0x128)
314 
315 #define QLCNIC_FW_MIN_SIZE		(0x3fffff)
316 #define QLCNIC_UNIFIED_ROMIMAGE  	0
317 #define QLCNIC_FLASH_ROMIMAGE		1
318 #define QLCNIC_UNKNOWN_ROMIMAGE		0xff
319 
320 #define QLCNIC_UNIFIED_ROMIMAGE_NAME	"phanfw.bin"
321 #define QLCNIC_FLASH_ROMIMAGE_NAME	"flash"
322 
323 extern char qlcnic_driver_name[];
324 
325 extern int qlcnic_use_msi;
326 extern int qlcnic_use_msi_x;
327 extern int qlcnic_auto_fw_reset;
328 extern int qlcnic_load_fw_file;
329 
330 /* Number of status descriptors to handle per interrupt */
331 #define MAX_STATUS_HANDLE	(64)
332 
333 /*
334  * qlcnic_skb_frag{} is to contain mapping info for each SG list. This
335  * has to be freed when DMA is complete. This is part of qlcnic_tx_buffer{}.
336  */
337 struct qlcnic_skb_frag {
338 	u64 dma;
339 	u64 length;
340 };
341 
342 /*    Following defines are for the state of the buffers    */
343 #define	QLCNIC_BUFFER_FREE	0
344 #define	QLCNIC_BUFFER_BUSY	1
345 
346 /*
347  * There will be one qlcnic_buffer per skb packet.    These will be
348  * used to save the dma info for pci_unmap_page()
349  */
350 struct qlcnic_cmd_buffer {
351 	struct sk_buff *skb;
352 	struct qlcnic_skb_frag frag_array[MAX_SKB_FRAGS + 1];
353 	u32 frag_count;
354 };
355 
356 /* In rx_buffer, we do not need multiple fragments as is a single buffer */
357 struct qlcnic_rx_buffer {
358 	u16 ref_handle;
359 	struct sk_buff *skb;
360 	struct list_head list;
361 	u64 dma;
362 };
363 
364 /* Board types */
365 #define	QLCNIC_GBE	0x01
366 #define	QLCNIC_XGBE	0x02
367 
368 /*
369  * Interrupt coalescing defaults. The defaults are for 1500 MTU. It is
370  * adjusted based on configured MTU.
371  */
372 #define QLCNIC_INTR_COAL_TYPE_RX		1
373 #define QLCNIC_INTR_COAL_TYPE_TX		2
374 #define QLCNIC_INTR_COAL_TYPE_RX_TX		3
375 
376 #define QLCNIC_DEF_INTR_COALESCE_RX_TIME_US	3
377 #define QLCNIC_DEF_INTR_COALESCE_RX_PACKETS	256
378 
379 #define QLCNIC_DEF_INTR_COALESCE_TX_TIME_US	64
380 #define QLCNIC_DEF_INTR_COALESCE_TX_PACKETS	64
381 
382 #define QLCNIC_INTR_DEFAULT			0x04
383 #define QLCNIC_CONFIG_INTR_COALESCE		3
384 #define QLCNIC_DEV_INFO_SIZE			2
385 
386 struct qlcnic_nic_intr_coalesce {
387 	u8	type;
388 	u8	sts_ring_mask;
389 	u16	rx_packets;
390 	u16	rx_time_us;
391 	u16	tx_packets;
392 	u16	tx_time_us;
393 	u16	flag;
394 	u32	timer_out;
395 };
396 
397 struct qlcnic_dump_template_hdr {
398 	u32	type;
399 	u32	offset;
400 	u32	size;
401 	u32	cap_mask;
402 	u32	num_entries;
403 	u32	version;
404 	u32	timestamp;
405 	u32	checksum;
406 	u32	drv_cap_mask;
407 	u32	sys_info[3];
408 	u32	saved_state[16];
409 	u32	cap_sizes[8];
410 	u32	ocm_wnd_reg[16];
411 	u32	rsvd[0];
412 };
413 
414 struct qlcnic_fw_dump {
415 	u8	clr;	/* flag to indicate if dump is cleared */
416 	bool	enable; /* enable/disable dump */
417 	u32	size;	/* total size of the dump */
418 	void	*data;	/* dump data area */
419 	struct	qlcnic_dump_template_hdr *tmpl_hdr;
420 	dma_addr_t phys_addr;
421 	void	*dma_buffer;
422 	bool	use_pex_dma;
423 };
424 
425 /*
426  * One hardware_context{} per adapter
427  * contains interrupt info as well shared hardware info.
428  */
429 struct qlcnic_hardware_context {
430 	void __iomem *pci_base0;
431 	void __iomem *ocm_win_crb;
432 
433 	unsigned long pci_len0;
434 
435 	rwlock_t crb_lock;
436 	struct mutex mem_lock;
437 
438 	u8 revision_id;
439 	u8 pci_func;
440 	u8 linkup;
441 	u8 loopback_state;
442 	u8 beacon_state;
443 	u8 has_link_events;
444 	u8 fw_type;
445 	u8 physical_port;
446 	u8 reset_context;
447 	u8 msix_supported;
448 	u8 max_mac_filters;
449 	u8 mc_enabled;
450 	u8 max_mc_count;
451 	u8 diag_test;
452 	u8 num_msix;
453 	u8 nic_mode;
454 	int diag_cnt;
455 
456 	u16 max_uc_count;
457 	u16 port_type;
458 	u16 board_type;
459 	u16 supported_type;
460 
461 	u16 link_speed;
462 	u16 link_duplex;
463 	u16 link_autoneg;
464 	u16 module_type;
465 
466 	u16 op_mode;
467 	u16 switch_mode;
468 	u16 max_tx_ques;
469 	u16 max_rx_ques;
470 	u16 max_mtu;
471 	u32 msg_enable;
472 	u16 total_nic_func;
473 	u16 max_pci_func;
474 	u32 max_vnic_func;
475 	u32 total_pci_func;
476 
477 	u32 capabilities;
478 	u32 extra_capability[3];
479 	u32 temp;
480 	u32 int_vec_bit;
481 	u32 fw_hal_version;
482 	u32 port_config;
483 	struct qlcnic_hardware_ops *hw_ops;
484 	struct qlcnic_nic_intr_coalesce coal;
485 	struct qlcnic_fw_dump fw_dump;
486 	struct qlcnic_fdt fdt;
487 	struct qlc_83xx_reset reset;
488 	struct qlc_83xx_idc idc;
489 	struct qlc_83xx_fw_info *fw_info;
490 	struct qlcnic_intrpt_config *intr_tbl;
491 	struct qlcnic_sriov *sriov;
492 	u32 *reg_tbl;
493 	u32 *ext_reg_tbl;
494 	u32 mbox_aen[QLC_83XX_MBX_AEN_CNT];
495 	u32 mbox_reg[4];
496 	struct qlcnic_mailbox *mailbox;
497 	u8 extend_lb_time;
498 	u8 phys_port_id[ETH_ALEN];
499 	u8 lb_mode;
500 };
501 
502 struct qlcnic_adapter_stats {
503 	u64  xmitcalled;
504 	u64  xmitfinished;
505 	u64  rxdropped;
506 	u64  txdropped;
507 	u64  csummed;
508 	u64  rx_pkts;
509 	u64  lro_pkts;
510 	u64  rxbytes;
511 	u64  txbytes;
512 	u64  lrobytes;
513 	u64  lso_frames;
514 	u64  xmit_on;
515 	u64  xmit_off;
516 	u64  skb_alloc_failure;
517 	u64  null_rxbuf;
518 	u64  rx_dma_map_error;
519 	u64  tx_dma_map_error;
520 	u64  spurious_intr;
521 	u64  mac_filter_limit_overrun;
522 };
523 
524 /*
525  * Rcv Descriptor Context. One such per Rcv Descriptor. There may
526  * be one Rcv Descriptor for normal packets, one for jumbo and may be others.
527  */
528 struct qlcnic_host_rds_ring {
529 	void __iomem *crb_rcv_producer;
530 	struct rcv_desc *desc_head;
531 	struct qlcnic_rx_buffer *rx_buf_arr;
532 	u32 num_desc;
533 	u32 producer;
534 	u32 dma_size;
535 	u32 skb_size;
536 	u32 flags;
537 	struct list_head free_list;
538 	spinlock_t lock;
539 	dma_addr_t phys_addr;
540 } ____cacheline_internodealigned_in_smp;
541 
542 struct qlcnic_host_sds_ring {
543 	u32 consumer;
544 	u32 num_desc;
545 	void __iomem *crb_sts_consumer;
546 
547 	struct qlcnic_host_tx_ring *tx_ring;
548 	struct status_desc *desc_head;
549 	struct qlcnic_adapter *adapter;
550 	struct napi_struct napi;
551 	struct list_head free_list[NUM_RCV_DESC_RINGS];
552 
553 	void __iomem *crb_intr_mask;
554 	int irq;
555 
556 	dma_addr_t phys_addr;
557 	char name[IFNAMSIZ + 12];
558 } ____cacheline_internodealigned_in_smp;
559 
560 struct qlcnic_tx_queue_stats {
561 	u64 xmit_on;
562 	u64 xmit_off;
563 	u64 xmit_called;
564 	u64 xmit_finished;
565 	u64 tx_bytes;
566 };
567 
568 struct qlcnic_host_tx_ring {
569 	int irq;
570 	void __iomem *crb_intr_mask;
571 	char name[IFNAMSIZ + 12];
572 	u16 ctx_id;
573 
574 	u32 state;
575 	u32 producer;
576 	u32 sw_consumer;
577 	u32 num_desc;
578 
579 	struct qlcnic_tx_queue_stats tx_stats;
580 
581 	void __iomem *crb_cmd_producer;
582 	struct cmd_desc_type0 *desc_head;
583 	struct qlcnic_adapter *adapter;
584 	struct napi_struct napi;
585 	struct qlcnic_cmd_buffer *cmd_buf_arr;
586 	__le32 *hw_consumer;
587 
588 	dma_addr_t phys_addr;
589 	dma_addr_t hw_cons_phys_addr;
590 	struct netdev_queue *txq;
591 	/* Lock to protect Tx descriptors cleanup */
592 	spinlock_t tx_clean_lock;
593 } ____cacheline_internodealigned_in_smp;
594 
595 /*
596  * Receive context. There is one such structure per instance of the
597  * receive processing. Any state information that is relevant to
598  * the receive, and is must be in this structure. The global data may be
599  * present elsewhere.
600  */
601 struct qlcnic_recv_context {
602 	struct qlcnic_host_rds_ring *rds_rings;
603 	struct qlcnic_host_sds_ring *sds_rings;
604 	u32 state;
605 	u16 context_id;
606 	u16 virt_port;
607 };
608 
609 /* HW context creation */
610 
611 #define QLCNIC_OS_CRB_RETRY_COUNT	4000
612 
613 #define QLCNIC_CDRP_CMD_BIT		0x80000000
614 
615 /*
616  * All responses must have the QLCNIC_CDRP_CMD_BIT cleared
617  * in the crb QLCNIC_CDRP_CRB_OFFSET.
618  */
619 #define QLCNIC_CDRP_FORM_RSP(rsp)	(rsp)
620 #define QLCNIC_CDRP_IS_RSP(rsp)	(((rsp) & QLCNIC_CDRP_CMD_BIT) == 0)
621 
622 #define QLCNIC_CDRP_RSP_OK		0x00000001
623 #define QLCNIC_CDRP_RSP_FAIL		0x00000002
624 #define QLCNIC_CDRP_RSP_TIMEOUT 	0x00000003
625 
626 /*
627  * All commands must have the QLCNIC_CDRP_CMD_BIT set in
628  * the crb QLCNIC_CDRP_CRB_OFFSET.
629  */
630 #define QLCNIC_CDRP_FORM_CMD(cmd)	(QLCNIC_CDRP_CMD_BIT | (cmd))
631 
632 #define QLCNIC_RCODE_SUCCESS		0
633 #define QLCNIC_RCODE_INVALID_ARGS	6
634 #define QLCNIC_RCODE_NOT_SUPPORTED	9
635 #define QLCNIC_RCODE_NOT_PERMITTED	10
636 #define QLCNIC_RCODE_NOT_IMPL		15
637 #define QLCNIC_RCODE_INVALID		16
638 #define QLCNIC_RCODE_TIMEOUT		17
639 #define QLCNIC_DESTROY_CTX_RESET	0
640 
641 /*
642  * Capabilities Announced
643  */
644 #define QLCNIC_CAP0_LEGACY_CONTEXT	(1)
645 #define QLCNIC_CAP0_LEGACY_MN		(1 << 2)
646 #define QLCNIC_CAP0_LSO 		(1 << 6)
647 #define QLCNIC_CAP0_JUMBO_CONTIGUOUS	(1 << 7)
648 #define QLCNIC_CAP0_LRO_CONTIGUOUS	(1 << 8)
649 #define QLCNIC_CAP0_VALIDOFF		(1 << 11)
650 #define QLCNIC_CAP0_LRO_MSS		(1 << 21)
651 #define QLCNIC_CAP0_TX_MULTI		(1 << 22)
652 
653 /*
654  * Context state
655  */
656 #define QLCNIC_HOST_CTX_STATE_FREED	0
657 #define QLCNIC_HOST_CTX_STATE_ACTIVE	2
658 
659 /*
660  * Rx context
661  */
662 
663 struct qlcnic_hostrq_sds_ring {
664 	__le64 host_phys_addr;	/* Ring base addr */
665 	__le32 ring_size;		/* Ring entries */
666 	__le16 msi_index;
667 	__le16 rsvd;		/* Padding */
668 } __packed;
669 
670 struct qlcnic_hostrq_rds_ring {
671 	__le64 host_phys_addr;	/* Ring base addr */
672 	__le64 buff_size;		/* Packet buffer size */
673 	__le32 ring_size;		/* Ring entries */
674 	__le32 ring_kind;		/* Class of ring */
675 } __packed;
676 
677 struct qlcnic_hostrq_rx_ctx {
678 	__le64 host_rsp_dma_addr;	/* Response dma'd here */
679 	__le32 capabilities[4];		/* Flag bit vector */
680 	__le32 host_int_crb_mode;	/* Interrupt crb usage */
681 	__le32 host_rds_crb_mode;	/* RDS crb usage */
682 	/* These ring offsets are relative to data[0] below */
683 	__le32 rds_ring_offset;	/* Offset to RDS config */
684 	__le32 sds_ring_offset;	/* Offset to SDS config */
685 	__le16 num_rds_rings;	/* Count of RDS rings */
686 	__le16 num_sds_rings;	/* Count of SDS rings */
687 	__le16 valid_field_offset;
688 	u8  txrx_sds_binding;
689 	u8  msix_handler;
690 	u8  reserved[128];      /* reserve space for future expansion*/
691 	/* MUST BE 64-bit aligned.
692 	   The following is packed:
693 	   - N hostrq_rds_rings
694 	   - N hostrq_sds_rings */
695 	char data[0];
696 } __packed;
697 
698 struct qlcnic_cardrsp_rds_ring{
699 	__le32 host_producer_crb;	/* Crb to use */
700 	__le32 rsvd1;		/* Padding */
701 } __packed;
702 
703 struct qlcnic_cardrsp_sds_ring {
704 	__le32 host_consumer_crb;	/* Crb to use */
705 	__le32 interrupt_crb;	/* Crb to use */
706 } __packed;
707 
708 struct qlcnic_cardrsp_rx_ctx {
709 	/* These ring offsets are relative to data[0] below */
710 	__le32 rds_ring_offset;	/* Offset to RDS config */
711 	__le32 sds_ring_offset;	/* Offset to SDS config */
712 	__le32 host_ctx_state;	/* Starting State */
713 	__le32 num_fn_per_port;	/* How many PCI fn share the port */
714 	__le16 num_rds_rings;	/* Count of RDS rings */
715 	__le16 num_sds_rings;	/* Count of SDS rings */
716 	__le16 context_id;		/* Handle for context */
717 	u8  phys_port;		/* Physical id of port */
718 	u8  virt_port;		/* Virtual/Logical id of port */
719 	u8  reserved[128];	/* save space for future expansion */
720 	/*  MUST BE 64-bit aligned.
721 	   The following is packed:
722 	   - N cardrsp_rds_rings
723 	   - N cardrs_sds_rings */
724 	char data[0];
725 } __packed;
726 
727 #define SIZEOF_HOSTRQ_RX(HOSTRQ_RX, rds_rings, sds_rings)	\
728 	(sizeof(HOSTRQ_RX) + 					\
729 	(rds_rings)*(sizeof(struct qlcnic_hostrq_rds_ring)) +		\
730 	(sds_rings)*(sizeof(struct qlcnic_hostrq_sds_ring)))
731 
732 #define SIZEOF_CARDRSP_RX(CARDRSP_RX, rds_rings, sds_rings) 	\
733 	(sizeof(CARDRSP_RX) + 					\
734 	(rds_rings)*(sizeof(struct qlcnic_cardrsp_rds_ring)) + 		\
735 	(sds_rings)*(sizeof(struct qlcnic_cardrsp_sds_ring)))
736 
737 /*
738  * Tx context
739  */
740 
741 struct qlcnic_hostrq_cds_ring {
742 	__le64 host_phys_addr;	/* Ring base addr */
743 	__le32 ring_size;		/* Ring entries */
744 	__le32 rsvd;		/* Padding */
745 } __packed;
746 
747 struct qlcnic_hostrq_tx_ctx {
748 	__le64 host_rsp_dma_addr;	/* Response dma'd here */
749 	__le64 cmd_cons_dma_addr;	/*  */
750 	__le64 dummy_dma_addr;	/*  */
751 	__le32 capabilities[4];	/* Flag bit vector */
752 	__le32 host_int_crb_mode;	/* Interrupt crb usage */
753 	__le32 rsvd1;		/* Padding */
754 	__le16 rsvd2;		/* Padding */
755 	__le16 interrupt_ctl;
756 	__le16 msi_index;
757 	__le16 rsvd3;		/* Padding */
758 	struct qlcnic_hostrq_cds_ring cds_ring;	/* Desc of cds ring */
759 	u8  reserved[128];	/* future expansion */
760 } __packed;
761 
762 struct qlcnic_cardrsp_cds_ring {
763 	__le32 host_producer_crb;	/* Crb to use */
764 	__le32 interrupt_crb;	/* Crb to use */
765 } __packed;
766 
767 struct qlcnic_cardrsp_tx_ctx {
768 	__le32 host_ctx_state;	/* Starting state */
769 	__le16 context_id;		/* Handle for context */
770 	u8  phys_port;		/* Physical id of port */
771 	u8  virt_port;		/* Virtual/Logical id of port */
772 	struct qlcnic_cardrsp_cds_ring cds_ring;	/* Card cds settings */
773 	u8  reserved[128];	/* future expansion */
774 } __packed;
775 
776 #define SIZEOF_HOSTRQ_TX(HOSTRQ_TX)	(sizeof(HOSTRQ_TX))
777 #define SIZEOF_CARDRSP_TX(CARDRSP_TX)	(sizeof(CARDRSP_TX))
778 
779 /* CRB */
780 
781 #define QLCNIC_HOST_RDS_CRB_MODE_UNIQUE	0
782 #define QLCNIC_HOST_RDS_CRB_MODE_SHARED	1
783 #define QLCNIC_HOST_RDS_CRB_MODE_CUSTOM	2
784 #define QLCNIC_HOST_RDS_CRB_MODE_MAX	3
785 
786 #define QLCNIC_HOST_INT_CRB_MODE_UNIQUE	0
787 #define QLCNIC_HOST_INT_CRB_MODE_SHARED	1
788 #define QLCNIC_HOST_INT_CRB_MODE_NORX	2
789 #define QLCNIC_HOST_INT_CRB_MODE_NOTX	3
790 #define QLCNIC_HOST_INT_CRB_MODE_NORXTX	4
791 
792 
793 /* MAC */
794 
795 #define MC_COUNT_P3P	38
796 
797 #define QLCNIC_MAC_NOOP	0
798 #define QLCNIC_MAC_ADD	1
799 #define QLCNIC_MAC_DEL	2
800 #define QLCNIC_MAC_VLAN_ADD	3
801 #define QLCNIC_MAC_VLAN_DEL	4
802 
803 struct qlcnic_mac_vlan_list {
804 	struct list_head list;
805 	uint8_t mac_addr[ETH_ALEN+2];
806 	u16 vlan_id;
807 };
808 
809 /* MAC Learn */
810 #define NO_MAC_LEARN		0
811 #define DRV_MAC_LEARN		1
812 #define FDB_MAC_LEARN		2
813 
814 #define QLCNIC_HOST_REQUEST	0x13
815 #define QLCNIC_REQUEST		0x14
816 
817 #define QLCNIC_MAC_EVENT	0x1
818 
819 #define QLCNIC_IP_UP		2
820 #define QLCNIC_IP_DOWN		3
821 
822 #define QLCNIC_ILB_MODE		0x1
823 #define QLCNIC_ELB_MODE		0x2
824 #define QLCNIC_LB_MODE_MASK	0x3
825 
826 #define QLCNIC_LINKEVENT	0x1
827 #define QLCNIC_LB_RESPONSE	0x2
828 #define QLCNIC_IS_LB_CONFIGURED(VAL)	\
829 		(VAL == (QLCNIC_LINKEVENT | QLCNIC_LB_RESPONSE))
830 
831 /*
832  * Driver --> Firmware
833  */
834 #define QLCNIC_H2C_OPCODE_CONFIG_RSS			0x1
835 #define QLCNIC_H2C_OPCODE_CONFIG_INTR_COALESCE		0x3
836 #define QLCNIC_H2C_OPCODE_CONFIG_LED			0x4
837 #define QLCNIC_H2C_OPCODE_LRO_REQUEST			0x7
838 #define QLCNIC_H2C_OPCODE_SET_MAC_RECEIVE_MODE		0xc
839 #define QLCNIC_H2C_OPCODE_CONFIG_IPADDR		0x12
840 
841 #define QLCNIC_H2C_OPCODE_GET_LINKEVENT		0x15
842 #define QLCNIC_H2C_OPCODE_CONFIG_BRIDGING		0x17
843 #define QLCNIC_H2C_OPCODE_CONFIG_HW_LRO		0x18
844 #define QLCNIC_H2C_OPCODE_CONFIG_LOOPBACK		0x13
845 
846 /*
847  * Firmware --> Driver
848  */
849 
850 #define QLCNIC_C2H_OPCODE_CONFIG_LOOPBACK		0x8f
851 #define QLCNIC_C2H_OPCODE_GET_LINKEVENT_RESPONSE	0x8D
852 #define QLCNIC_C2H_OPCODE_GET_DCB_AEN			0x90
853 
854 #define VPORT_MISS_MODE_DROP		0 /* drop all unmatched */
855 #define VPORT_MISS_MODE_ACCEPT_ALL	1 /* accept all packets */
856 #define VPORT_MISS_MODE_ACCEPT_MULTI	2 /* accept unmatched multicast */
857 
858 #define QLCNIC_LRO_REQUEST_CLEANUP	4
859 
860 /* Capabilites received */
861 #define QLCNIC_FW_CAPABILITY_TSO		BIT_1
862 #define QLCNIC_FW_CAPABILITY_BDG		BIT_8
863 #define QLCNIC_FW_CAPABILITY_FVLANTX		BIT_9
864 #define QLCNIC_FW_CAPABILITY_HW_LRO		BIT_10
865 #define QLCNIC_FW_CAPABILITY_2_MULTI_TX		BIT_4
866 #define QLCNIC_FW_CAPABILITY_MULTI_LOOPBACK	BIT_27
867 #define QLCNIC_FW_CAPABILITY_MORE_CAPS		BIT_31
868 
869 #define QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG	BIT_2
870 #define QLCNIC_FW_CAP2_HW_LRO_IPV6		BIT_3
871 #define QLCNIC_FW_CAPABILITY_SET_DRV_VER	BIT_5
872 #define QLCNIC_FW_CAPABILITY_2_BEACON		BIT_7
873 #define QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG	BIT_9
874 
875 /* module types */
876 #define LINKEVENT_MODULE_NOT_PRESENT			1
877 #define LINKEVENT_MODULE_OPTICAL_UNKNOWN		2
878 #define LINKEVENT_MODULE_OPTICAL_SRLR			3
879 #define LINKEVENT_MODULE_OPTICAL_LRM			4
880 #define LINKEVENT_MODULE_OPTICAL_SFP_1G 		5
881 #define LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLE	6
882 #define LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLELEN	7
883 #define LINKEVENT_MODULE_TWINAX 			8
884 
885 #define LINKSPEED_10GBPS	10000
886 #define LINKSPEED_1GBPS 	1000
887 #define LINKSPEED_100MBPS	100
888 #define LINKSPEED_10MBPS	10
889 
890 #define LINKSPEED_ENCODED_10MBPS	0
891 #define LINKSPEED_ENCODED_100MBPS	1
892 #define LINKSPEED_ENCODED_1GBPS 	2
893 
894 #define LINKEVENT_AUTONEG_DISABLED	0
895 #define LINKEVENT_AUTONEG_ENABLED	1
896 
897 #define LINKEVENT_HALF_DUPLEX		0
898 #define LINKEVENT_FULL_DUPLEX		1
899 
900 #define LINKEVENT_LINKSPEED_MBPS	0
901 #define LINKEVENT_LINKSPEED_ENCODED	1
902 
903 /* firmware response header:
904  *	63:58 - message type
905  *	57:56 - owner
906  *	55:53 - desc count
907  *	52:48 - reserved
908  *	47:40 - completion id
909  *	39:32 - opcode
910  *	31:16 - error code
911  *	15:00 - reserved
912  */
913 #define qlcnic_get_nic_msg_opcode(msg_hdr)	\
914 	((msg_hdr >> 32) & 0xFF)
915 
916 struct qlcnic_fw_msg {
917 	union {
918 		struct {
919 			u64 hdr;
920 			u64 body[7];
921 		};
922 		u64 words[8];
923 	};
924 };
925 
926 struct qlcnic_nic_req {
927 	__le64 qhdr;
928 	__le64 req_hdr;
929 	__le64 words[6];
930 } __packed;
931 
932 struct qlcnic_mac_req {
933 	u8 op;
934 	u8 tag;
935 	u8 mac_addr[6];
936 };
937 
938 struct qlcnic_vlan_req {
939 	__le16 vlan_id;
940 	__le16 rsvd[3];
941 } __packed;
942 
943 struct qlcnic_ipaddr {
944 	__be32 ipv4;
945 	__be32 ipv6[4];
946 };
947 
948 #define QLCNIC_MSI_ENABLED		0x02
949 #define QLCNIC_MSIX_ENABLED		0x04
950 #define QLCNIC_LRO_ENABLED		0x01
951 #define QLCNIC_LRO_DISABLED		0x00
952 #define QLCNIC_BRIDGE_ENABLED       	0X10
953 #define QLCNIC_DIAG_ENABLED		0x20
954 #define QLCNIC_ESWITCH_ENABLED		0x40
955 #define QLCNIC_ADAPTER_INITIALIZED	0x80
956 #define QLCNIC_TAGGING_ENABLED		0x100
957 #define QLCNIC_MACSPOOF			0x200
958 #define QLCNIC_MAC_OVERRIDE_DISABLED	0x400
959 #define QLCNIC_PROMISC_DISABLED		0x800
960 #define QLCNIC_NEED_FLR			0x1000
961 #define QLCNIC_FW_RESET_OWNER		0x2000
962 #define QLCNIC_FW_HANG			0x4000
963 #define QLCNIC_FW_LRO_MSS_CAP		0x8000
964 #define QLCNIC_TX_INTR_SHARED		0x10000
965 #define QLCNIC_APP_CHANGED_FLAGS	0x20000
966 #define QLCNIC_HAS_PHYS_PORT_ID		0x40000
967 #define QLCNIC_TSS_RSS			0x80000
968 
969 #define QLCNIC_IS_MSI_FAMILY(adapter) \
970 	((adapter)->flags & (QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED))
971 #define QLCNIC_IS_TSO_CAPABLE(adapter)  \
972 	((adapter)->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO)
973 
974 #define QLCNIC_BEACON_EANBLE		0xC
975 #define QLCNIC_BEACON_DISABLE		0xD
976 
977 #define QLCNIC_BEACON_ON		2
978 #define QLCNIC_BEACON_OFF		0
979 
980 #define QLCNIC_MSIX_TBL_SPACE		8192
981 #define QLCNIC_PCI_REG_MSIX_TBL 	0x44
982 #define QLCNIC_MSIX_TBL_PGSIZE		4096
983 
984 #define QLCNIC_ADAPTER_UP_MAGIC 777
985 
986 #define __QLCNIC_FW_ATTACHED		0
987 #define __QLCNIC_DEV_UP 		1
988 #define __QLCNIC_RESETTING		2
989 #define __QLCNIC_START_FW 		4
990 #define __QLCNIC_AER			5
991 #define __QLCNIC_DIAG_RES_ALLOC		6
992 #define __QLCNIC_LED_ENABLE		7
993 #define __QLCNIC_ELB_INPROGRESS		8
994 #define __QLCNIC_MULTI_TX_UNIQUE	9
995 #define __QLCNIC_SRIOV_ENABLE		10
996 #define __QLCNIC_SRIOV_CAPABLE		11
997 #define __QLCNIC_MBX_POLL_ENABLE	12
998 #define __QLCNIC_DIAG_MODE		13
999 #define __QLCNIC_MAINTENANCE_MODE	16
1000 
1001 #define QLCNIC_INTERRUPT_TEST		1
1002 #define QLCNIC_LOOPBACK_TEST		2
1003 #define QLCNIC_LED_TEST		3
1004 
1005 #define QLCNIC_FILTER_AGE	80
1006 #define QLCNIC_READD_AGE	20
1007 #define QLCNIC_LB_MAX_FILTERS	64
1008 #define QLCNIC_LB_BUCKET_SIZE	32
1009 #define QLCNIC_ILB_MAX_RCV_LOOP	10
1010 
1011 struct qlcnic_filter {
1012 	struct hlist_node fnode;
1013 	u8 faddr[ETH_ALEN];
1014 	u16 vlan_id;
1015 	unsigned long ftime;
1016 };
1017 
1018 struct qlcnic_filter_hash {
1019 	struct hlist_head *fhead;
1020 	u8 fnum;
1021 	u16 fmax;
1022 	u16 fbucket_size;
1023 };
1024 
1025 /* Mailbox specific data structures */
1026 struct qlcnic_mailbox {
1027 	struct workqueue_struct	*work_q;
1028 	struct qlcnic_adapter	*adapter;
1029 	struct qlcnic_mbx_ops	*ops;
1030 	struct work_struct	work;
1031 	struct completion	completion;
1032 	struct list_head	cmd_q;
1033 	unsigned long		status;
1034 	spinlock_t		queue_lock;	/* Mailbox queue lock */
1035 	spinlock_t		aen_lock;	/* Mailbox response/AEN lock */
1036 	atomic_t		rsp_status;
1037 	u32			num_cmds;
1038 };
1039 
1040 struct qlcnic_adapter {
1041 	struct qlcnic_hardware_context *ahw;
1042 	struct qlcnic_recv_context *recv_ctx;
1043 	struct qlcnic_host_tx_ring *tx_ring;
1044 	struct net_device *netdev;
1045 	struct pci_dev *pdev;
1046 
1047 	unsigned long state;
1048 	u32 flags;
1049 
1050 	u16 num_txd;
1051 	u16 num_rxd;
1052 	u16 num_jumbo_rxd;
1053 	u16 max_rxd;
1054 	u16 max_jumbo_rxd;
1055 
1056 	u8 max_rds_rings;
1057 
1058 	u8 max_sds_rings; /* max sds rings supported by adapter */
1059 	u8 max_tx_rings;  /* max tx rings supported by adapter */
1060 
1061 	u8 drv_tx_rings;  /* max tx rings supported by driver */
1062 	u8 drv_sds_rings; /* max sds rings supported by driver */
1063 
1064 	u8 drv_tss_rings; /* tss ring input */
1065 	u8 drv_rss_rings; /* rss ring input */
1066 
1067 	u8 rx_csum;
1068 	u8 portnum;
1069 
1070 	u8 fw_wait_cnt;
1071 	u8 fw_fail_cnt;
1072 	u8 tx_timeo_cnt;
1073 	u8 need_fw_reset;
1074 	u8 reset_ctx_cnt;
1075 
1076 	u16 is_up;
1077 	u16 rx_pvid;
1078 	u16 tx_pvid;
1079 
1080 	u32 irq;
1081 	u32 heartbeat;
1082 
1083 	u8 dev_state;
1084 	u8 reset_ack_timeo;
1085 	u8 dev_init_timeo;
1086 
1087 	u8 mac_addr[ETH_ALEN];
1088 
1089 	u64 dev_rst_time;
1090 	bool drv_mac_learn;
1091 	bool fdb_mac_learn;
1092 	bool rx_mac_learn;
1093 	unsigned long vlans[BITS_TO_LONGS(VLAN_N_VID)];
1094 	u8 flash_mfg_id;
1095 	struct qlcnic_npar_info *npars;
1096 	struct qlcnic_eswitch *eswitch;
1097 	struct qlcnic_nic_template *nic_ops;
1098 
1099 	struct qlcnic_adapter_stats stats;
1100 	struct list_head mac_list;
1101 
1102 	void __iomem	*tgt_mask_reg;
1103 	void __iomem	*tgt_status_reg;
1104 	void __iomem	*crb_int_state_reg;
1105 	void __iomem	*isr_int_vec;
1106 
1107 	struct msix_entry *msix_entries;
1108 	struct workqueue_struct *qlcnic_wq;
1109 	struct delayed_work fw_work;
1110 	struct delayed_work idc_aen_work;
1111 	struct delayed_work mbx_poll_work;
1112 	struct qlcnic_dcb *dcb;
1113 
1114 	struct qlcnic_filter_hash fhash;
1115 	struct qlcnic_filter_hash rx_fhash;
1116 	struct list_head vf_mc_list;
1117 
1118 	spinlock_t mac_learn_lock;
1119 	/* spinlock for catching rcv filters for eswitch traffic */
1120 	spinlock_t rx_mac_learn_lock;
1121 	u32 file_prd_off;	/*File fw product offset*/
1122 	u32 fw_version;
1123 	u32 offload_flags;
1124 	const struct firmware *fw;
1125 };
1126 
1127 struct qlcnic_info_le {
1128 	__le16	pci_func;
1129 	__le16	op_mode;	/* 1 = Priv, 2 = NP, 3 = NP passthru */
1130 	__le16	phys_port;
1131 	__le16	switch_mode;	/* 0 = disabled, 1 = int, 2 = ext */
1132 
1133 	__le32	capabilities;
1134 	u8	max_mac_filters;
1135 	u8	reserved1;
1136 	__le16	max_mtu;
1137 
1138 	__le16	max_tx_ques;
1139 	__le16	max_rx_ques;
1140 	__le16	min_tx_bw;
1141 	__le16	max_tx_bw;
1142 	__le32  op_type;
1143 	__le16  max_bw_reg_offset;
1144 	__le16  max_linkspeed_reg_offset;
1145 	__le32  capability1;
1146 	__le32  capability2;
1147 	__le32  capability3;
1148 	__le16  max_tx_mac_filters;
1149 	__le16  max_rx_mcast_mac_filters;
1150 	__le16  max_rx_ucast_mac_filters;
1151 	__le16  max_rx_ip_addr;
1152 	__le16  max_rx_lro_flow;
1153 	__le16  max_rx_status_rings;
1154 	__le16  max_rx_buf_rings;
1155 	__le16  max_tx_vlan_keys;
1156 	u8      total_pf;
1157 	u8      total_rss_engines;
1158 	__le16  max_vports;
1159 	__le16	linkstate_reg_offset;
1160 	__le16	bit_offsets;
1161 	__le16  max_local_ipv6_addrs;
1162 	__le16  max_remote_ipv6_addrs;
1163 	u8	reserved2[56];
1164 } __packed;
1165 
1166 struct qlcnic_info {
1167 	u16	pci_func;
1168 	u16	op_mode;
1169 	u16	phys_port;
1170 	u16	switch_mode;
1171 	u32	capabilities;
1172 	u8	max_mac_filters;
1173 	u16	max_mtu;
1174 	u16	max_tx_ques;
1175 	u16	max_rx_ques;
1176 	u16	min_tx_bw;
1177 	u16	max_tx_bw;
1178 	u32	op_type;
1179 	u16	max_bw_reg_offset;
1180 	u16	max_linkspeed_reg_offset;
1181 	u32	capability1;
1182 	u32	capability2;
1183 	u32	capability3;
1184 	u16	max_tx_mac_filters;
1185 	u16	max_rx_mcast_mac_filters;
1186 	u16	max_rx_ucast_mac_filters;
1187 	u16	max_rx_ip_addr;
1188 	u16	max_rx_lro_flow;
1189 	u16	max_rx_status_rings;
1190 	u16	max_rx_buf_rings;
1191 	u16	max_tx_vlan_keys;
1192 	u8      total_pf;
1193 	u8      total_rss_engines;
1194 	u16	max_vports;
1195 	u16	linkstate_reg_offset;
1196 	u16	bit_offsets;
1197 	u16	max_local_ipv6_addrs;
1198 	u16	max_remote_ipv6_addrs;
1199 };
1200 
1201 struct qlcnic_pci_info_le {
1202 	__le16	id;		/* pci function id */
1203 	__le16	active;		/* 1 = Enabled */
1204 	__le16	type;		/* 1 = NIC, 2 = FCoE, 3 = iSCSI */
1205 	__le16	default_port;	/* default port number */
1206 
1207 	__le16	tx_min_bw;	/* Multiple of 100mbpc */
1208 	__le16	tx_max_bw;
1209 	__le16	reserved1[2];
1210 
1211 	u8	mac[ETH_ALEN];
1212 	__le16  func_count;
1213 	u8      reserved2[104];
1214 
1215 } __packed;
1216 
1217 struct qlcnic_pci_info {
1218 	u16	id;
1219 	u16	active;
1220 	u16	type;
1221 	u16	default_port;
1222 	u16	tx_min_bw;
1223 	u16	tx_max_bw;
1224 	u8	mac[ETH_ALEN];
1225 	u16  func_count;
1226 };
1227 
1228 struct qlcnic_npar_info {
1229 	bool	eswitch_status;
1230 	u16	pvid;
1231 	u16	min_bw;
1232 	u16	max_bw;
1233 	u8	phy_port;
1234 	u8	type;
1235 	u8	active;
1236 	u8	enable_pm;
1237 	u8	dest_npar;
1238 	u8	discard_tagged;
1239 	u8	mac_override;
1240 	u8	mac_anti_spoof;
1241 	u8	promisc_mode;
1242 	u8	offload_flags;
1243 	u8      pci_func;
1244 	u8      mac[ETH_ALEN];
1245 };
1246 
1247 struct qlcnic_eswitch {
1248 	u8	port;
1249 	u8	active_vports;
1250 	u8	active_vlans;
1251 	u8	active_ucast_filters;
1252 	u8	max_ucast_filters;
1253 	u8	max_active_vlans;
1254 
1255 	u32	flags;
1256 #define QLCNIC_SWITCH_ENABLE		BIT_1
1257 #define QLCNIC_SWITCH_VLAN_FILTERING	BIT_2
1258 #define QLCNIC_SWITCH_PROMISC_MODE	BIT_3
1259 #define QLCNIC_SWITCH_PORT_MIRRORING	BIT_4
1260 };
1261 
1262 
1263 /* Return codes for Error handling */
1264 #define QL_STATUS_INVALID_PARAM	-1
1265 
1266 #define MAX_BW			100	/* % of link speed */
1267 #define MAX_VLAN_ID		4095
1268 #define MIN_VLAN_ID		2
1269 #define DEFAULT_MAC_LEARN	1
1270 
1271 #define IS_VALID_VLAN(vlan)	(vlan >= MIN_VLAN_ID && vlan < MAX_VLAN_ID)
1272 #define IS_VALID_BW(bw)		(bw <= MAX_BW)
1273 
1274 struct qlcnic_pci_func_cfg {
1275 	u16	func_type;
1276 	u16	min_bw;
1277 	u16	max_bw;
1278 	u16	port_num;
1279 	u8	pci_func;
1280 	u8	func_state;
1281 	u8	def_mac_addr[ETH_ALEN];
1282 };
1283 
1284 struct qlcnic_npar_func_cfg {
1285 	u32	fw_capab;
1286 	u16	port_num;
1287 	u16	min_bw;
1288 	u16	max_bw;
1289 	u16	max_tx_queues;
1290 	u16	max_rx_queues;
1291 	u8	pci_func;
1292 	u8	op_mode;
1293 };
1294 
1295 struct qlcnic_pm_func_cfg {
1296 	u8	pci_func;
1297 	u8	action;
1298 	u8	dest_npar;
1299 	u8	reserved[5];
1300 };
1301 
1302 struct qlcnic_esw_func_cfg {
1303 	u16	vlan_id;
1304 	u8	op_mode;
1305 	u8	op_type;
1306 	u8	pci_func;
1307 	u8	host_vlan_tag;
1308 	u8	promisc_mode;
1309 	u8	discard_tagged;
1310 	u8	mac_override;
1311 	u8	mac_anti_spoof;
1312 	u8	offload_flags;
1313 	u8	reserved[5];
1314 };
1315 
1316 #define QLCNIC_STATS_VERSION		1
1317 #define QLCNIC_STATS_PORT		1
1318 #define QLCNIC_STATS_ESWITCH		2
1319 #define QLCNIC_QUERY_RX_COUNTER		0
1320 #define QLCNIC_QUERY_TX_COUNTER		1
1321 #define QLCNIC_STATS_NOT_AVAIL	0xffffffffffffffffULL
1322 #define QLCNIC_FILL_STATS(VAL1) \
1323 	(((VAL1) == QLCNIC_STATS_NOT_AVAIL) ? 0 : VAL1)
1324 #define QLCNIC_MAC_STATS 1
1325 #define QLCNIC_ESW_STATS 2
1326 
1327 #define QLCNIC_ADD_ESW_STATS(VAL1, VAL2)\
1328 do {	\
1329 	if (((VAL1) == QLCNIC_STATS_NOT_AVAIL) && \
1330 	    ((VAL2) != QLCNIC_STATS_NOT_AVAIL)) \
1331 		(VAL1) = (VAL2); \
1332 	else if (((VAL1) != QLCNIC_STATS_NOT_AVAIL) && \
1333 		 ((VAL2) != QLCNIC_STATS_NOT_AVAIL)) \
1334 			(VAL1) += (VAL2); \
1335 } while (0)
1336 
1337 struct qlcnic_mac_statistics_le {
1338 	__le64	mac_tx_frames;
1339 	__le64	mac_tx_bytes;
1340 	__le64	mac_tx_mcast_pkts;
1341 	__le64	mac_tx_bcast_pkts;
1342 	__le64	mac_tx_pause_cnt;
1343 	__le64	mac_tx_ctrl_pkt;
1344 	__le64	mac_tx_lt_64b_pkts;
1345 	__le64	mac_tx_lt_127b_pkts;
1346 	__le64	mac_tx_lt_255b_pkts;
1347 	__le64	mac_tx_lt_511b_pkts;
1348 	__le64	mac_tx_lt_1023b_pkts;
1349 	__le64	mac_tx_lt_1518b_pkts;
1350 	__le64	mac_tx_gt_1518b_pkts;
1351 	__le64	rsvd1[3];
1352 
1353 	__le64	mac_rx_frames;
1354 	__le64	mac_rx_bytes;
1355 	__le64	mac_rx_mcast_pkts;
1356 	__le64	mac_rx_bcast_pkts;
1357 	__le64	mac_rx_pause_cnt;
1358 	__le64	mac_rx_ctrl_pkt;
1359 	__le64	mac_rx_lt_64b_pkts;
1360 	__le64	mac_rx_lt_127b_pkts;
1361 	__le64	mac_rx_lt_255b_pkts;
1362 	__le64	mac_rx_lt_511b_pkts;
1363 	__le64	mac_rx_lt_1023b_pkts;
1364 	__le64	mac_rx_lt_1518b_pkts;
1365 	__le64	mac_rx_gt_1518b_pkts;
1366 	__le64	rsvd2[3];
1367 
1368 	__le64	mac_rx_length_error;
1369 	__le64	mac_rx_length_small;
1370 	__le64	mac_rx_length_large;
1371 	__le64	mac_rx_jabber;
1372 	__le64	mac_rx_dropped;
1373 	__le64	mac_rx_crc_error;
1374 	__le64	mac_align_error;
1375 } __packed;
1376 
1377 struct qlcnic_mac_statistics {
1378 	u64	mac_tx_frames;
1379 	u64	mac_tx_bytes;
1380 	u64	mac_tx_mcast_pkts;
1381 	u64	mac_tx_bcast_pkts;
1382 	u64	mac_tx_pause_cnt;
1383 	u64	mac_tx_ctrl_pkt;
1384 	u64	mac_tx_lt_64b_pkts;
1385 	u64	mac_tx_lt_127b_pkts;
1386 	u64	mac_tx_lt_255b_pkts;
1387 	u64	mac_tx_lt_511b_pkts;
1388 	u64	mac_tx_lt_1023b_pkts;
1389 	u64	mac_tx_lt_1518b_pkts;
1390 	u64	mac_tx_gt_1518b_pkts;
1391 	u64	rsvd1[3];
1392 	u64	mac_rx_frames;
1393 	u64	mac_rx_bytes;
1394 	u64	mac_rx_mcast_pkts;
1395 	u64	mac_rx_bcast_pkts;
1396 	u64	mac_rx_pause_cnt;
1397 	u64	mac_rx_ctrl_pkt;
1398 	u64	mac_rx_lt_64b_pkts;
1399 	u64	mac_rx_lt_127b_pkts;
1400 	u64	mac_rx_lt_255b_pkts;
1401 	u64	mac_rx_lt_511b_pkts;
1402 	u64	mac_rx_lt_1023b_pkts;
1403 	u64	mac_rx_lt_1518b_pkts;
1404 	u64	mac_rx_gt_1518b_pkts;
1405 	u64	rsvd2[3];
1406 	u64	mac_rx_length_error;
1407 	u64	mac_rx_length_small;
1408 	u64	mac_rx_length_large;
1409 	u64	mac_rx_jabber;
1410 	u64	mac_rx_dropped;
1411 	u64	mac_rx_crc_error;
1412 	u64	mac_align_error;
1413 };
1414 
1415 struct qlcnic_esw_stats_le {
1416 	__le16 context_id;
1417 	__le16 version;
1418 	__le16 size;
1419 	__le16 unused;
1420 	__le64 unicast_frames;
1421 	__le64 multicast_frames;
1422 	__le64 broadcast_frames;
1423 	__le64 dropped_frames;
1424 	__le64 errors;
1425 	__le64 local_frames;
1426 	__le64 numbytes;
1427 	__le64 rsvd[3];
1428 } __packed;
1429 
1430 struct __qlcnic_esw_statistics {
1431 	u16	context_id;
1432 	u16	version;
1433 	u16	size;
1434 	u16	unused;
1435 	u64	unicast_frames;
1436 	u64	multicast_frames;
1437 	u64	broadcast_frames;
1438 	u64	dropped_frames;
1439 	u64	errors;
1440 	u64	local_frames;
1441 	u64	numbytes;
1442 	u64	rsvd[3];
1443 };
1444 
1445 struct qlcnic_esw_statistics {
1446 	struct __qlcnic_esw_statistics rx;
1447 	struct __qlcnic_esw_statistics tx;
1448 };
1449 
1450 #define QLCNIC_FORCE_FW_DUMP_KEY	0xdeadfeed
1451 #define QLCNIC_ENABLE_FW_DUMP		0xaddfeed
1452 #define QLCNIC_DISABLE_FW_DUMP		0xbadfeed
1453 #define QLCNIC_FORCE_FW_RESET		0xdeaddead
1454 #define QLCNIC_SET_QUIESCENT		0xadd00010
1455 #define QLCNIC_RESET_QUIESCENT		0xadd00020
1456 
1457 struct _cdrp_cmd {
1458 	u32 num;
1459 	u32 *arg;
1460 };
1461 
1462 struct qlcnic_cmd_args {
1463 	struct completion	completion;
1464 	struct list_head	list;
1465 	struct _cdrp_cmd	req;
1466 	struct _cdrp_cmd	rsp;
1467 	atomic_t		rsp_status;
1468 	int			pay_size;
1469 	u32			rsp_opcode;
1470 	u32			total_cmds;
1471 	u32			op_type;
1472 	u32			type;
1473 	u32			cmd_op;
1474 	u32			*hdr;	/* Back channel message header */
1475 	u32			*pay;	/* Back channel message payload */
1476 	u8			func_num;
1477 };
1478 
1479 int qlcnic_fw_cmd_get_minidump_temp(struct qlcnic_adapter *adapter);
1480 int qlcnic_fw_cmd_set_port(struct qlcnic_adapter *adapter, u32 config);
1481 int qlcnic_pci_mem_write_2M(struct qlcnic_adapter *, u64 off, u64 data);
1482 int qlcnic_pci_mem_read_2M(struct qlcnic_adapter *, u64 off, u64 *data);
1483 
1484 #define ADDR_IN_RANGE(addr, low, high)	\
1485 	(((addr) < (high)) && ((addr) >= (low)))
1486 
1487 #define QLCRD32(adapter, off, err) \
1488 	(adapter->ahw->hw_ops->read_reg)(adapter, off, err)
1489 
1490 #define QLCWR32(adapter, off, val) \
1491 	adapter->ahw->hw_ops->write_reg(adapter, off, val)
1492 
1493 int qlcnic_pcie_sem_lock(struct qlcnic_adapter *, int, u32);
1494 void qlcnic_pcie_sem_unlock(struct qlcnic_adapter *, int);
1495 
1496 #define qlcnic_rom_lock(a)	\
1497 	qlcnic_pcie_sem_lock((a), 2, QLCNIC_ROM_LOCK_ID)
1498 #define qlcnic_rom_unlock(a)	\
1499 	qlcnic_pcie_sem_unlock((a), 2)
1500 #define qlcnic_phy_lock(a)	\
1501 	qlcnic_pcie_sem_lock((a), 3, QLCNIC_PHY_LOCK_ID)
1502 #define qlcnic_phy_unlock(a)	\
1503 	qlcnic_pcie_sem_unlock((a), 3)
1504 #define qlcnic_sw_lock(a)	\
1505 	qlcnic_pcie_sem_lock((a), 6, 0)
1506 #define qlcnic_sw_unlock(a)	\
1507 	qlcnic_pcie_sem_unlock((a), 6)
1508 #define crb_win_lock(a)	\
1509 	qlcnic_pcie_sem_lock((a), 7, QLCNIC_CRB_WIN_LOCK_ID)
1510 #define crb_win_unlock(a)	\
1511 	qlcnic_pcie_sem_unlock((a), 7)
1512 
1513 #define __QLCNIC_MAX_LED_RATE	0xf
1514 #define __QLCNIC_MAX_LED_STATE	0x2
1515 
1516 #define MAX_CTL_CHECK 1000
1517 
1518 void qlcnic_prune_lb_filters(struct qlcnic_adapter *adapter);
1519 void qlcnic_delete_lb_filters(struct qlcnic_adapter *adapter);
1520 int qlcnic_dump_fw(struct qlcnic_adapter *);
1521 int qlcnic_enable_fw_dump_state(struct qlcnic_adapter *);
1522 bool qlcnic_check_fw_dump_state(struct qlcnic_adapter *);
1523 
1524 /* Functions from qlcnic_init.c */
1525 void qlcnic_schedule_work(struct qlcnic_adapter *, work_func_t, int);
1526 int qlcnic_load_firmware(struct qlcnic_adapter *adapter);
1527 int qlcnic_need_fw_reset(struct qlcnic_adapter *adapter);
1528 void qlcnic_request_firmware(struct qlcnic_adapter *adapter);
1529 void qlcnic_release_firmware(struct qlcnic_adapter *adapter);
1530 int qlcnic_pinit_from_rom(struct qlcnic_adapter *adapter);
1531 int qlcnic_setup_idc_param(struct qlcnic_adapter *adapter);
1532 int qlcnic_check_flash_fw_ver(struct qlcnic_adapter *adapter);
1533 
1534 int qlcnic_rom_fast_read(struct qlcnic_adapter *adapter, u32 addr, u32 *valp);
1535 int qlcnic_rom_fast_read_words(struct qlcnic_adapter *adapter, int addr,
1536 				u8 *bytes, size_t size);
1537 int qlcnic_alloc_sw_resources(struct qlcnic_adapter *adapter);
1538 void qlcnic_free_sw_resources(struct qlcnic_adapter *adapter);
1539 
1540 void __iomem *qlcnic_get_ioaddr(struct qlcnic_hardware_context *, u32);
1541 
1542 int qlcnic_alloc_hw_resources(struct qlcnic_adapter *adapter);
1543 void qlcnic_free_hw_resources(struct qlcnic_adapter *adapter);
1544 
1545 int qlcnic_fw_create_ctx(struct qlcnic_adapter *adapter);
1546 void qlcnic_fw_destroy_ctx(struct qlcnic_adapter *adapter);
1547 
1548 void qlcnic_reset_rx_buffers_list(struct qlcnic_adapter *adapter);
1549 void qlcnic_release_rx_buffers(struct qlcnic_adapter *adapter);
1550 void qlcnic_release_tx_buffers(struct qlcnic_adapter *,
1551 			       struct qlcnic_host_tx_ring *);
1552 
1553 int qlcnic_check_fw_status(struct qlcnic_adapter *adapter);
1554 void qlcnic_watchdog_task(struct work_struct *work);
1555 void qlcnic_post_rx_buffers(struct qlcnic_adapter *adapter,
1556 		struct qlcnic_host_rds_ring *rds_ring, u8 ring_id);
1557 void qlcnic_set_multi(struct net_device *netdev);
1558 int qlcnic_nic_add_mac(struct qlcnic_adapter *, const u8 *, u16);
1559 int qlcnic_nic_del_mac(struct qlcnic_adapter *, const u8 *);
1560 void qlcnic_82xx_free_mac_list(struct qlcnic_adapter *adapter);
1561 int qlcnic_82xx_read_phys_port_id(struct qlcnic_adapter *);
1562 
1563 int qlcnic_fw_cmd_set_mtu(struct qlcnic_adapter *adapter, int mtu);
1564 int qlcnic_fw_cmd_set_drv_version(struct qlcnic_adapter *, u32);
1565 int qlcnic_change_mtu(struct net_device *netdev, int new_mtu);
1566 netdev_features_t qlcnic_fix_features(struct net_device *netdev,
1567 	netdev_features_t features);
1568 int qlcnic_set_features(struct net_device *netdev, netdev_features_t features);
1569 int qlcnic_config_bridged_mode(struct qlcnic_adapter *adapter, u32 enable);
1570 void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *);
1571 
1572 /* Functions from qlcnic_ethtool.c */
1573 int qlcnic_check_loopback_buff(unsigned char *, u8 []);
1574 int qlcnic_do_lb_test(struct qlcnic_adapter *, u8);
1575 
1576 /* Functions from qlcnic_main.c */
1577 int qlcnic_reset_context(struct qlcnic_adapter *);
1578 void qlcnic_diag_free_res(struct net_device *netdev, int);
1579 int qlcnic_diag_alloc_res(struct net_device *netdev, int);
1580 netdev_tx_t qlcnic_xmit_frame(struct sk_buff *, struct net_device *);
1581 void qlcnic_set_tx_ring_count(struct qlcnic_adapter *, u8);
1582 void qlcnic_set_sds_ring_count(struct qlcnic_adapter *, u8);
1583 int qlcnic_setup_rings(struct qlcnic_adapter *);
1584 int qlcnic_validate_rings(struct qlcnic_adapter *, __u32, int);
1585 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter);
1586 int qlcnic_enable_msix(struct qlcnic_adapter *, u32);
1587 void qlcnic_set_drv_version(struct qlcnic_adapter *);
1588 
1589 /*  eSwitch management functions */
1590 int qlcnic_config_switch_port(struct qlcnic_adapter *,
1591 				struct qlcnic_esw_func_cfg *);
1592 
1593 int qlcnic_get_eswitch_port_config(struct qlcnic_adapter *,
1594 				struct qlcnic_esw_func_cfg *);
1595 int qlcnic_config_port_mirroring(struct qlcnic_adapter *, u8, u8, u8);
1596 int qlcnic_get_port_stats(struct qlcnic_adapter *, const u8, const u8,
1597 					struct __qlcnic_esw_statistics *);
1598 int qlcnic_get_eswitch_stats(struct qlcnic_adapter *, const u8, u8,
1599 					struct __qlcnic_esw_statistics *);
1600 int qlcnic_clear_esw_stats(struct qlcnic_adapter *adapter, u8, u8, u8);
1601 int qlcnic_get_mac_stats(struct qlcnic_adapter *, struct qlcnic_mac_statistics *);
1602 
1603 void qlcnic_free_mbx_args(struct qlcnic_cmd_args *cmd);
1604 
1605 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *, int);
1606 void qlcnic_free_sds_rings(struct qlcnic_recv_context *);
1607 void qlcnic_advert_link_change(struct qlcnic_adapter *, int);
1608 void qlcnic_free_tx_rings(struct qlcnic_adapter *);
1609 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *, struct net_device *);
1610 void qlcnic_dump_mbx(struct qlcnic_adapter *, struct qlcnic_cmd_args *);
1611 
1612 void qlcnic_create_sysfs_entries(struct qlcnic_adapter *adapter);
1613 void qlcnic_remove_sysfs_entries(struct qlcnic_adapter *adapter);
1614 void qlcnic_82xx_add_sysfs(struct qlcnic_adapter *adapter);
1615 void qlcnic_82xx_remove_sysfs(struct qlcnic_adapter *adapter);
1616 
1617 int qlcnicvf_config_bridged_mode(struct qlcnic_adapter *, u32);
1618 int qlcnicvf_config_led(struct qlcnic_adapter *, u32, u32);
1619 void qlcnic_set_vlan_config(struct qlcnic_adapter *,
1620 			    struct qlcnic_esw_func_cfg *);
1621 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *,
1622 				      struct qlcnic_esw_func_cfg *);
1623 int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter  *);
1624 void qlcnic_down(struct qlcnic_adapter *, struct net_device *);
1625 int qlcnic_up(struct qlcnic_adapter *, struct net_device *);
1626 void __qlcnic_down(struct qlcnic_adapter *, struct net_device *);
1627 void qlcnic_detach(struct qlcnic_adapter *);
1628 void qlcnic_teardown_intr(struct qlcnic_adapter *);
1629 int qlcnic_attach(struct qlcnic_adapter *);
1630 int __qlcnic_up(struct qlcnic_adapter *, struct net_device *);
1631 void qlcnic_restore_indev_addr(struct net_device *, unsigned long);
1632 
1633 int qlcnic_check_temp(struct qlcnic_adapter *);
1634 int qlcnic_init_pci_info(struct qlcnic_adapter *);
1635 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *);
1636 int qlcnic_reset_npar_config(struct qlcnic_adapter *);
1637 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *);
1638 int qlcnic_83xx_configure_opmode(struct qlcnic_adapter *adapter);
1639 int qlcnic_read_mac_addr(struct qlcnic_adapter *);
1640 int qlcnic_setup_netdev(struct qlcnic_adapter *, struct net_device *, int);
1641 void qlcnic_set_netdev_features(struct qlcnic_adapter *,
1642 				struct qlcnic_esw_func_cfg *);
1643 void qlcnic_sriov_vf_schedule_multi(struct net_device *);
1644 int qlcnic_is_valid_nic_func(struct qlcnic_adapter *, u8);
1645 int qlcnic_get_pci_func_type(struct qlcnic_adapter *, u16, u16 *, u16 *,
1646 			     u16 *);
1647 
1648 /*
1649  * QLOGIC Board information
1650  */
1651 
1652 #define QLCNIC_MAX_BOARD_NAME_LEN 100
1653 struct qlcnic_board_info {
1654 	unsigned short  vendor;
1655 	unsigned short  device;
1656 	unsigned short  sub_vendor;
1657 	unsigned short  sub_device;
1658 	char short_name[QLCNIC_MAX_BOARD_NAME_LEN];
1659 };
1660 
1661 static inline u32 qlcnic_tx_avail(struct qlcnic_host_tx_ring *tx_ring)
1662 {
1663 	if (likely(tx_ring->producer < tx_ring->sw_consumer))
1664 		return tx_ring->sw_consumer - tx_ring->producer;
1665 	else
1666 		return tx_ring->sw_consumer + tx_ring->num_desc -
1667 				tx_ring->producer;
1668 }
1669 
1670 static inline int qlcnic_set_real_num_queues(struct qlcnic_adapter *adapter,
1671 					     struct net_device *netdev)
1672 {
1673 	int err;
1674 
1675 	netdev->num_tx_queues = adapter->drv_tx_rings;
1676 	netdev->real_num_tx_queues = adapter->drv_tx_rings;
1677 
1678 	err = netif_set_real_num_tx_queues(netdev, adapter->drv_tx_rings);
1679 	if (err)
1680 		netdev_err(netdev, "failed to set %d Tx queues\n",
1681 			   adapter->drv_tx_rings);
1682 
1683 	return err;
1684 }
1685 
1686 struct qlcnic_nic_template {
1687 	int (*config_bridged_mode) (struct qlcnic_adapter *, u32);
1688 	int (*config_led) (struct qlcnic_adapter *, u32, u32);
1689 	int (*start_firmware) (struct qlcnic_adapter *);
1690 	int (*init_driver) (struct qlcnic_adapter *);
1691 	void (*request_reset) (struct qlcnic_adapter *, u32);
1692 	void (*cancel_idc_work) (struct qlcnic_adapter *);
1693 	int (*napi_add)(struct qlcnic_adapter *, struct net_device *);
1694 	void (*napi_del)(struct qlcnic_adapter *);
1695 	void (*config_ipaddr)(struct qlcnic_adapter *, __be32, int);
1696 	irqreturn_t (*clear_legacy_intr)(struct qlcnic_adapter *);
1697 	int (*shutdown)(struct pci_dev *);
1698 	int (*resume)(struct qlcnic_adapter *);
1699 };
1700 
1701 struct qlcnic_mbx_ops {
1702 	int (*enqueue_cmd) (struct qlcnic_adapter *,
1703 			    struct qlcnic_cmd_args *, unsigned long *);
1704 	void (*dequeue_cmd) (struct qlcnic_adapter *, struct qlcnic_cmd_args *);
1705 	void (*decode_resp) (struct qlcnic_adapter *, struct qlcnic_cmd_args *);
1706 	void (*encode_cmd) (struct qlcnic_adapter *, struct qlcnic_cmd_args *);
1707 	void (*nofity_fw) (struct qlcnic_adapter *, u8);
1708 };
1709 
1710 int qlcnic_83xx_init_mailbox_work(struct qlcnic_adapter *);
1711 void qlcnic_83xx_detach_mailbox_work(struct qlcnic_adapter *);
1712 void qlcnic_83xx_reinit_mbx_work(struct qlcnic_mailbox *mbx);
1713 void qlcnic_83xx_free_mailbox(struct qlcnic_mailbox *mbx);
1714 void qlcnic_update_stats(struct qlcnic_adapter *);
1715 
1716 /* Adapter hardware abstraction */
1717 struct qlcnic_hardware_ops {
1718 	void (*read_crb) (struct qlcnic_adapter *, char *, loff_t, size_t);
1719 	void (*write_crb) (struct qlcnic_adapter *, char *, loff_t, size_t);
1720 	int (*read_reg) (struct qlcnic_adapter *, ulong, int *);
1721 	int (*write_reg) (struct qlcnic_adapter *, ulong, u32);
1722 	void (*get_ocm_win) (struct qlcnic_hardware_context *);
1723 	int (*get_mac_address) (struct qlcnic_adapter *, u8 *, u8);
1724 	int (*setup_intr) (struct qlcnic_adapter *);
1725 	int (*alloc_mbx_args)(struct qlcnic_cmd_args *,
1726 			      struct qlcnic_adapter *, u32);
1727 	int (*mbx_cmd) (struct qlcnic_adapter *, struct qlcnic_cmd_args *);
1728 	void (*get_func_no) (struct qlcnic_adapter *);
1729 	int (*api_lock) (struct qlcnic_adapter *);
1730 	void (*api_unlock) (struct qlcnic_adapter *);
1731 	void (*add_sysfs) (struct qlcnic_adapter *);
1732 	void (*remove_sysfs) (struct qlcnic_adapter *);
1733 	void (*process_lb_rcv_ring_diag) (struct qlcnic_host_sds_ring *);
1734 	int (*create_rx_ctx) (struct qlcnic_adapter *);
1735 	int (*create_tx_ctx) (struct qlcnic_adapter *,
1736 	struct qlcnic_host_tx_ring *, int);
1737 	void (*del_rx_ctx) (struct qlcnic_adapter *);
1738 	void (*del_tx_ctx) (struct qlcnic_adapter *,
1739 			    struct qlcnic_host_tx_ring *);
1740 	int (*setup_link_event) (struct qlcnic_adapter *, int);
1741 	int (*get_nic_info) (struct qlcnic_adapter *, struct qlcnic_info *, u8);
1742 	int (*get_pci_info) (struct qlcnic_adapter *, struct qlcnic_pci_info *);
1743 	int (*set_nic_info) (struct qlcnic_adapter *, struct qlcnic_info *);
1744 	int (*change_macvlan) (struct qlcnic_adapter *, u8*, u16, u8);
1745 	void (*napi_enable) (struct qlcnic_adapter *);
1746 	void (*napi_disable) (struct qlcnic_adapter *);
1747 	int (*config_intr_coal) (struct qlcnic_adapter *,
1748 				 struct ethtool_coalesce *);
1749 	int (*config_rss) (struct qlcnic_adapter *, int);
1750 	int (*config_hw_lro) (struct qlcnic_adapter *, int);
1751 	int (*config_loopback) (struct qlcnic_adapter *, u8);
1752 	int (*clear_loopback) (struct qlcnic_adapter *, u8);
1753 	int (*config_promisc_mode) (struct qlcnic_adapter *, u32);
1754 	void (*change_l2_filter) (struct qlcnic_adapter *, u64 *, u16);
1755 	int (*get_board_info) (struct qlcnic_adapter *);
1756 	void (*set_mac_filter_count) (struct qlcnic_adapter *);
1757 	void (*free_mac_list) (struct qlcnic_adapter *);
1758 	int (*read_phys_port_id) (struct qlcnic_adapter *);
1759 	pci_ers_result_t (*io_error_detected) (struct pci_dev *,
1760 					       pci_channel_state_t);
1761 	pci_ers_result_t (*io_slot_reset) (struct pci_dev *);
1762 	void (*io_resume) (struct pci_dev *);
1763 	void (*get_beacon_state)(struct qlcnic_adapter *);
1764 	void (*enable_sds_intr) (struct qlcnic_adapter *,
1765 				 struct qlcnic_host_sds_ring *);
1766 	void (*disable_sds_intr) (struct qlcnic_adapter *,
1767 				  struct qlcnic_host_sds_ring *);
1768 	void (*enable_tx_intr) (struct qlcnic_adapter *,
1769 				struct qlcnic_host_tx_ring *);
1770 	void (*disable_tx_intr) (struct qlcnic_adapter *,
1771 				 struct qlcnic_host_tx_ring *);
1772 };
1773 
1774 extern struct qlcnic_nic_template qlcnic_vf_ops;
1775 
1776 static inline int qlcnic_start_firmware(struct qlcnic_adapter *adapter)
1777 {
1778 	return adapter->nic_ops->start_firmware(adapter);
1779 }
1780 
1781 static inline void qlcnic_read_crb(struct qlcnic_adapter *adapter, char *buf,
1782 				   loff_t offset, size_t size)
1783 {
1784 	adapter->ahw->hw_ops->read_crb(adapter, buf, offset, size);
1785 }
1786 
1787 static inline void qlcnic_write_crb(struct qlcnic_adapter *adapter, char *buf,
1788 				    loff_t offset, size_t size)
1789 {
1790 	adapter->ahw->hw_ops->write_crb(adapter, buf, offset, size);
1791 }
1792 
1793 static inline int qlcnic_hw_write_wx_2M(struct qlcnic_adapter *adapter,
1794 					ulong off, u32 data)
1795 {
1796 	return adapter->ahw->hw_ops->write_reg(adapter, off, data);
1797 }
1798 
1799 static inline int qlcnic_get_mac_address(struct qlcnic_adapter *adapter,
1800 					 u8 *mac, u8 function)
1801 {
1802 	return adapter->ahw->hw_ops->get_mac_address(adapter, mac, function);
1803 }
1804 
1805 static inline int qlcnic_setup_intr(struct qlcnic_adapter *adapter)
1806 {
1807 	return adapter->ahw->hw_ops->setup_intr(adapter);
1808 }
1809 
1810 static inline int qlcnic_alloc_mbx_args(struct qlcnic_cmd_args *mbx,
1811 					struct qlcnic_adapter *adapter, u32 arg)
1812 {
1813 	return adapter->ahw->hw_ops->alloc_mbx_args(mbx, adapter, arg);
1814 }
1815 
1816 static inline int qlcnic_issue_cmd(struct qlcnic_adapter *adapter,
1817 				   struct qlcnic_cmd_args *cmd)
1818 {
1819 	if (adapter->ahw->hw_ops->mbx_cmd)
1820 		return adapter->ahw->hw_ops->mbx_cmd(adapter, cmd);
1821 
1822 	return -EIO;
1823 }
1824 
1825 static inline void qlcnic_get_func_no(struct qlcnic_adapter *adapter)
1826 {
1827 	adapter->ahw->hw_ops->get_func_no(adapter);
1828 }
1829 
1830 static inline int qlcnic_api_lock(struct qlcnic_adapter *adapter)
1831 {
1832 	return adapter->ahw->hw_ops->api_lock(adapter);
1833 }
1834 
1835 static inline void qlcnic_api_unlock(struct qlcnic_adapter *adapter)
1836 {
1837 	adapter->ahw->hw_ops->api_unlock(adapter);
1838 }
1839 
1840 static inline void qlcnic_add_sysfs(struct qlcnic_adapter *adapter)
1841 {
1842 	if (adapter->ahw->hw_ops->add_sysfs)
1843 		adapter->ahw->hw_ops->add_sysfs(adapter);
1844 }
1845 
1846 static inline void qlcnic_remove_sysfs(struct qlcnic_adapter *adapter)
1847 {
1848 	if (adapter->ahw->hw_ops->remove_sysfs)
1849 		adapter->ahw->hw_ops->remove_sysfs(adapter);
1850 }
1851 
1852 static inline void
1853 qlcnic_process_rcv_ring_diag(struct qlcnic_host_sds_ring *sds_ring)
1854 {
1855 	sds_ring->adapter->ahw->hw_ops->process_lb_rcv_ring_diag(sds_ring);
1856 }
1857 
1858 static inline int qlcnic_fw_cmd_create_rx_ctx(struct qlcnic_adapter *adapter)
1859 {
1860 	return adapter->ahw->hw_ops->create_rx_ctx(adapter);
1861 }
1862 
1863 static inline int qlcnic_fw_cmd_create_tx_ctx(struct qlcnic_adapter *adapter,
1864 					      struct qlcnic_host_tx_ring *ptr,
1865 					      int ring)
1866 {
1867 	return adapter->ahw->hw_ops->create_tx_ctx(adapter, ptr, ring);
1868 }
1869 
1870 static inline void qlcnic_fw_cmd_del_rx_ctx(struct qlcnic_adapter *adapter)
1871 {
1872 	return adapter->ahw->hw_ops->del_rx_ctx(adapter);
1873 }
1874 
1875 static inline void qlcnic_fw_cmd_del_tx_ctx(struct qlcnic_adapter *adapter,
1876 					    struct qlcnic_host_tx_ring *ptr)
1877 {
1878 	return adapter->ahw->hw_ops->del_tx_ctx(adapter, ptr);
1879 }
1880 
1881 static inline int qlcnic_linkevent_request(struct qlcnic_adapter *adapter,
1882 					   int enable)
1883 {
1884 	return adapter->ahw->hw_ops->setup_link_event(adapter, enable);
1885 }
1886 
1887 static inline int qlcnic_get_nic_info(struct qlcnic_adapter *adapter,
1888 				      struct qlcnic_info *info, u8 id)
1889 {
1890 	return adapter->ahw->hw_ops->get_nic_info(adapter, info, id);
1891 }
1892 
1893 static inline int qlcnic_get_pci_info(struct qlcnic_adapter *adapter,
1894 				      struct qlcnic_pci_info *info)
1895 {
1896 	return adapter->ahw->hw_ops->get_pci_info(adapter, info);
1897 }
1898 
1899 static inline int qlcnic_set_nic_info(struct qlcnic_adapter *adapter,
1900 				      struct qlcnic_info *info)
1901 {
1902 	return adapter->ahw->hw_ops->set_nic_info(adapter, info);
1903 }
1904 
1905 static inline int qlcnic_sre_macaddr_change(struct qlcnic_adapter *adapter,
1906 					    u8 *addr, u16 id, u8 cmd)
1907 {
1908 	return adapter->ahw->hw_ops->change_macvlan(adapter, addr, id, cmd);
1909 }
1910 
1911 static inline int qlcnic_napi_add(struct qlcnic_adapter *adapter,
1912 				  struct net_device *netdev)
1913 {
1914 	return adapter->nic_ops->napi_add(adapter, netdev);
1915 }
1916 
1917 static inline void qlcnic_napi_del(struct qlcnic_adapter *adapter)
1918 {
1919 	adapter->nic_ops->napi_del(adapter);
1920 }
1921 
1922 static inline void qlcnic_napi_enable(struct qlcnic_adapter *adapter)
1923 {
1924 	adapter->ahw->hw_ops->napi_enable(adapter);
1925 }
1926 
1927 static inline int __qlcnic_shutdown(struct pci_dev *pdev)
1928 {
1929 	struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
1930 
1931 	return adapter->nic_ops->shutdown(pdev);
1932 }
1933 
1934 static inline int __qlcnic_resume(struct qlcnic_adapter *adapter)
1935 {
1936 	return adapter->nic_ops->resume(adapter);
1937 }
1938 
1939 static inline void qlcnic_napi_disable(struct qlcnic_adapter *adapter)
1940 {
1941 	adapter->ahw->hw_ops->napi_disable(adapter);
1942 }
1943 
1944 static inline int qlcnic_config_intr_coalesce(struct qlcnic_adapter *adapter,
1945 					      struct ethtool_coalesce *ethcoal)
1946 {
1947 	return adapter->ahw->hw_ops->config_intr_coal(adapter, ethcoal);
1948 }
1949 
1950 static inline int qlcnic_config_rss(struct qlcnic_adapter *adapter, int enable)
1951 {
1952 	return adapter->ahw->hw_ops->config_rss(adapter, enable);
1953 }
1954 
1955 static inline int qlcnic_config_hw_lro(struct qlcnic_adapter *adapter,
1956 				       int enable)
1957 {
1958 	return adapter->ahw->hw_ops->config_hw_lro(adapter, enable);
1959 }
1960 
1961 static inline int qlcnic_set_lb_mode(struct qlcnic_adapter *adapter, u8 mode)
1962 {
1963 	return adapter->ahw->hw_ops->config_loopback(adapter, mode);
1964 }
1965 
1966 static inline int qlcnic_clear_lb_mode(struct qlcnic_adapter *adapter, u8 mode)
1967 {
1968 	return adapter->ahw->hw_ops->clear_loopback(adapter, mode);
1969 }
1970 
1971 static inline int qlcnic_nic_set_promisc(struct qlcnic_adapter *adapter,
1972 					 u32 mode)
1973 {
1974 	return adapter->ahw->hw_ops->config_promisc_mode(adapter, mode);
1975 }
1976 
1977 static inline void qlcnic_change_filter(struct qlcnic_adapter *adapter,
1978 					u64 *addr, u16 id)
1979 {
1980 	adapter->ahw->hw_ops->change_l2_filter(adapter, addr, id);
1981 }
1982 
1983 static inline int qlcnic_get_board_info(struct qlcnic_adapter *adapter)
1984 {
1985 	return adapter->ahw->hw_ops->get_board_info(adapter);
1986 }
1987 
1988 static inline void qlcnic_free_mac_list(struct qlcnic_adapter *adapter)
1989 {
1990 	return adapter->ahw->hw_ops->free_mac_list(adapter);
1991 }
1992 
1993 static inline void qlcnic_set_mac_filter_count(struct qlcnic_adapter *adapter)
1994 {
1995 	if (adapter->ahw->hw_ops->set_mac_filter_count)
1996 		adapter->ahw->hw_ops->set_mac_filter_count(adapter);
1997 }
1998 
1999 static inline void qlcnic_get_beacon_state(struct qlcnic_adapter *adapter)
2000 {
2001 	adapter->ahw->hw_ops->get_beacon_state(adapter);
2002 }
2003 
2004 static inline void qlcnic_read_phys_port_id(struct qlcnic_adapter *adapter)
2005 {
2006 	if (adapter->ahw->hw_ops->read_phys_port_id)
2007 		adapter->ahw->hw_ops->read_phys_port_id(adapter);
2008 }
2009 
2010 static inline void qlcnic_dev_request_reset(struct qlcnic_adapter *adapter,
2011 					    u32 key)
2012 {
2013 	if (adapter->nic_ops->request_reset)
2014 		adapter->nic_ops->request_reset(adapter, key);
2015 }
2016 
2017 static inline void qlcnic_cancel_idc_work(struct qlcnic_adapter *adapter)
2018 {
2019 	if (adapter->nic_ops->cancel_idc_work)
2020 		adapter->nic_ops->cancel_idc_work(adapter);
2021 }
2022 
2023 static inline irqreturn_t
2024 qlcnic_clear_legacy_intr(struct qlcnic_adapter *adapter)
2025 {
2026 	return adapter->nic_ops->clear_legacy_intr(adapter);
2027 }
2028 
2029 static inline int qlcnic_config_led(struct qlcnic_adapter *adapter, u32 state,
2030 				    u32 rate)
2031 {
2032 	return adapter->nic_ops->config_led(adapter, state, rate);
2033 }
2034 
2035 static inline void qlcnic_config_ipaddr(struct qlcnic_adapter *adapter,
2036 					__be32 ip, int cmd)
2037 {
2038 	adapter->nic_ops->config_ipaddr(adapter, ip, cmd);
2039 }
2040 
2041 static inline bool qlcnic_check_multi_tx(struct qlcnic_adapter *adapter)
2042 {
2043 	return test_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state);
2044 }
2045 
2046 static inline void
2047 qlcnic_82xx_enable_tx_intr(struct qlcnic_adapter *adapter,
2048 			   struct qlcnic_host_tx_ring *tx_ring)
2049 {
2050 	if (qlcnic_check_multi_tx(adapter) &&
2051 	    !adapter->ahw->diag_test)
2052 		writel(0x0, tx_ring->crb_intr_mask);
2053 }
2054 
2055 static inline void
2056 qlcnic_82xx_disable_tx_intr(struct qlcnic_adapter *adapter,
2057 			    struct qlcnic_host_tx_ring *tx_ring)
2058 {
2059 	if (qlcnic_check_multi_tx(adapter) &&
2060 	    !adapter->ahw->diag_test)
2061 		writel(1, tx_ring->crb_intr_mask);
2062 }
2063 
2064 static inline void
2065 qlcnic_83xx_enable_tx_intr(struct qlcnic_adapter *adapter,
2066 			   struct qlcnic_host_tx_ring *tx_ring)
2067 {
2068 	writel(0, tx_ring->crb_intr_mask);
2069 }
2070 
2071 static inline void
2072 qlcnic_83xx_disable_tx_intr(struct qlcnic_adapter *adapter,
2073 			    struct qlcnic_host_tx_ring *tx_ring)
2074 {
2075 	writel(1, tx_ring->crb_intr_mask);
2076 }
2077 
2078 /* Enable MSI-x and INT-x interrupts */
2079 static inline void
2080 qlcnic_83xx_enable_sds_intr(struct qlcnic_adapter *adapter,
2081 			    struct qlcnic_host_sds_ring *sds_ring)
2082 {
2083 	writel(0, sds_ring->crb_intr_mask);
2084 }
2085 
2086 /* Disable MSI-x and INT-x interrupts */
2087 static inline void
2088 qlcnic_83xx_disable_sds_intr(struct qlcnic_adapter *adapter,
2089 			     struct qlcnic_host_sds_ring *sds_ring)
2090 {
2091 	writel(1, sds_ring->crb_intr_mask);
2092 }
2093 
2094 static inline void qlcnic_disable_multi_tx(struct qlcnic_adapter *adapter)
2095 {
2096 	test_and_clear_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state);
2097 	adapter->drv_tx_rings = QLCNIC_SINGLE_RING;
2098 }
2099 
2100 /* When operating in a muti tx mode, driver needs to write 0x1
2101  * to src register, instead of 0x0 to disable receiving interrupt.
2102  */
2103 static inline void
2104 qlcnic_82xx_disable_sds_intr(struct qlcnic_adapter *adapter,
2105 			     struct qlcnic_host_sds_ring *sds_ring)
2106 {
2107 	if (qlcnic_check_multi_tx(adapter) &&
2108 	    !adapter->ahw->diag_test &&
2109 	    (adapter->flags & QLCNIC_MSIX_ENABLED))
2110 		writel(0x1, sds_ring->crb_intr_mask);
2111 	else
2112 		writel(0, sds_ring->crb_intr_mask);
2113 }
2114 
2115 static inline void qlcnic_enable_sds_intr(struct qlcnic_adapter *adapter,
2116 					  struct qlcnic_host_sds_ring *sds_ring)
2117 {
2118 	if (adapter->ahw->hw_ops->enable_sds_intr)
2119 		adapter->ahw->hw_ops->enable_sds_intr(adapter, sds_ring);
2120 }
2121 
2122 static inline void
2123 qlcnic_disable_sds_intr(struct qlcnic_adapter *adapter,
2124 			struct qlcnic_host_sds_ring *sds_ring)
2125 {
2126 	if (adapter->ahw->hw_ops->disable_sds_intr)
2127 		adapter->ahw->hw_ops->disable_sds_intr(adapter, sds_ring);
2128 }
2129 
2130 static inline void qlcnic_enable_tx_intr(struct qlcnic_adapter *adapter,
2131 					 struct qlcnic_host_tx_ring *tx_ring)
2132 {
2133 	if (adapter->ahw->hw_ops->enable_tx_intr)
2134 		adapter->ahw->hw_ops->enable_tx_intr(adapter, tx_ring);
2135 }
2136 
2137 static inline void qlcnic_disable_tx_intr(struct qlcnic_adapter *adapter,
2138 					  struct qlcnic_host_tx_ring *tx_ring)
2139 {
2140 	if (adapter->ahw->hw_ops->disable_tx_intr)
2141 		adapter->ahw->hw_ops->disable_tx_intr(adapter, tx_ring);
2142 }
2143 
2144 /* When operating in a muti tx mode, driver needs to write 0x0
2145  * to src register, instead of 0x1 to enable receiving interrupts.
2146  */
2147 static inline void
2148 qlcnic_82xx_enable_sds_intr(struct qlcnic_adapter *adapter,
2149 			    struct qlcnic_host_sds_ring *sds_ring)
2150 {
2151 	if (qlcnic_check_multi_tx(adapter) &&
2152 	    !adapter->ahw->diag_test &&
2153 	    (adapter->flags & QLCNIC_MSIX_ENABLED))
2154 		writel(0, sds_ring->crb_intr_mask);
2155 	else
2156 		writel(0x1, sds_ring->crb_intr_mask);
2157 
2158 	if (!QLCNIC_IS_MSI_FAMILY(adapter))
2159 		writel(0xfbff, adapter->tgt_mask_reg);
2160 }
2161 
2162 static inline int qlcnic_get_diag_lock(struct qlcnic_adapter *adapter)
2163 {
2164 	return test_and_set_bit(__QLCNIC_DIAG_MODE, &adapter->state);
2165 }
2166 
2167 static inline void qlcnic_release_diag_lock(struct qlcnic_adapter *adapter)
2168 {
2169 	clear_bit(__QLCNIC_DIAG_MODE, &adapter->state);
2170 }
2171 
2172 static inline int qlcnic_check_diag_status(struct qlcnic_adapter *adapter)
2173 {
2174 	return test_bit(__QLCNIC_DIAG_MODE, &adapter->state);
2175 }
2176 
2177 extern const struct ethtool_ops qlcnic_sriov_vf_ethtool_ops;
2178 extern const struct ethtool_ops qlcnic_ethtool_ops;
2179 extern const struct ethtool_ops qlcnic_ethtool_failed_ops;
2180 
2181 #define QLCDB(adapter, lvl, _fmt, _args...) do {	\
2182 	if (NETIF_MSG_##lvl & adapter->ahw->msg_enable)	\
2183 		printk(KERN_INFO "%s: %s: " _fmt,	\
2184 			 dev_name(&adapter->pdev->dev),	\
2185 			__func__, ##_args);		\
2186 	} while (0)
2187 
2188 #define PCI_DEVICE_ID_QLOGIC_QLE824X		0x8020
2189 #define PCI_DEVICE_ID_QLOGIC_QLE834X		0x8030
2190 #define PCI_DEVICE_ID_QLOGIC_VF_QLE834X	0x8430
2191 #define PCI_DEVICE_ID_QLOGIC_QLE844X		0x8040
2192 #define PCI_DEVICE_ID_QLOGIC_VF_QLE844X	0x8440
2193 
2194 static inline bool qlcnic_82xx_check(struct qlcnic_adapter *adapter)
2195 {
2196 	unsigned short device = adapter->pdev->device;
2197 	return (device == PCI_DEVICE_ID_QLOGIC_QLE824X) ? true : false;
2198 }
2199 
2200 static inline bool qlcnic_84xx_check(struct qlcnic_adapter *adapter)
2201 {
2202 	unsigned short device = adapter->pdev->device;
2203 
2204 	return ((device == PCI_DEVICE_ID_QLOGIC_QLE844X) ||
2205 		(device == PCI_DEVICE_ID_QLOGIC_VF_QLE844X)) ? true : false;
2206 }
2207 
2208 static inline bool qlcnic_83xx_check(struct qlcnic_adapter *adapter)
2209 {
2210 	unsigned short device = adapter->pdev->device;
2211 	bool status;
2212 
2213 	status = ((device == PCI_DEVICE_ID_QLOGIC_QLE834X) ||
2214 		  (device == PCI_DEVICE_ID_QLOGIC_QLE844X) ||
2215 		  (device == PCI_DEVICE_ID_QLOGIC_VF_QLE844X) ||
2216 		  (device == PCI_DEVICE_ID_QLOGIC_VF_QLE834X)) ? true : false;
2217 
2218 	return status;
2219 }
2220 
2221 static inline bool qlcnic_sriov_pf_check(struct qlcnic_adapter *adapter)
2222 {
2223 	return (adapter->ahw->op_mode == QLCNIC_SRIOV_PF_FUNC) ? true : false;
2224 }
2225 
2226 static inline bool qlcnic_sriov_vf_check(struct qlcnic_adapter *adapter)
2227 {
2228 	unsigned short device = adapter->pdev->device;
2229 	bool status;
2230 
2231 	status = ((device == PCI_DEVICE_ID_QLOGIC_VF_QLE834X) ||
2232 		  (device == PCI_DEVICE_ID_QLOGIC_VF_QLE844X)) ? true : false;
2233 
2234 	return status;
2235 }
2236 
2237 static inline bool qlcnic_83xx_pf_check(struct qlcnic_adapter *adapter)
2238 {
2239 	unsigned short device = adapter->pdev->device;
2240 
2241 	return (device == PCI_DEVICE_ID_QLOGIC_QLE834X) ? true : false;
2242 }
2243 
2244 static inline bool qlcnic_83xx_vf_check(struct qlcnic_adapter *adapter)
2245 {
2246 	unsigned short device = adapter->pdev->device;
2247 
2248 	return (device == PCI_DEVICE_ID_QLOGIC_VF_QLE834X) ? true : false;
2249 }
2250 
2251 static inline u32 qlcnic_get_vnic_func_count(struct qlcnic_adapter *adapter)
2252 {
2253 	if (qlcnic_84xx_check(adapter))
2254 		return QLC_84XX_VNIC_COUNT;
2255 	else
2256 		return QLC_DEFAULT_VNIC_COUNT;
2257 }
2258 #endif				/* __QLCNIC_H_ */
2259