xref: /freebsd/sys/dev/bxe/bxe.h (revision 069ac184)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2007-2014 QLogic Corporation. All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS'
17  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
26  * THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #ifndef __BXE_H__
30 #define __BXE_H__
31 
32 #include <sys/param.h>
33 #include <sys/kernel.h>
34 #include <sys/systm.h>
35 #include <sys/lock.h>
36 #include <sys/mutex.h>
37 #include <sys/sx.h>
38 #include <sys/module.h>
39 #include <sys/endian.h>
40 #include <sys/types.h>
41 #include <sys/malloc.h>
42 #include <sys/kobj.h>
43 #include <sys/bus.h>
44 #include <sys/rman.h>
45 #include <sys/socket.h>
46 #include <sys/sockio.h>
47 #include <sys/sysctl.h>
48 #include <sys/smp.h>
49 #include <sys/bitstring.h>
50 #include <sys/limits.h>
51 #include <sys/queue.h>
52 #include <sys/taskqueue.h>
53 #include <contrib/zlib/zlib.h>
54 
55 #include <net/debugnet.h>
56 #include <net/if.h>
57 #include <net/if_types.h>
58 #include <net/if_arp.h>
59 #include <net/ethernet.h>
60 #include <net/if_dl.h>
61 #include <net/if_var.h>
62 #include <net/if_media.h>
63 #include <net/if_vlan_var.h>
64 #include <net/bpf.h>
65 
66 #include <netinet/in.h>
67 #include <netinet/ip.h>
68 #include <netinet/ip6.h>
69 #include <netinet/tcp.h>
70 #include <netinet/udp.h>
71 
72 #include <dev/pci/pcireg.h>
73 #include <dev/pci/pcivar.h>
74 
75 #include <machine/atomic.h>
76 #include <machine/resource.h>
77 #include <machine/endian.h>
78 #include <machine/bus.h>
79 #include <machine/in_cksum.h>
80 
81 #include "device_if.h"
82 #include "bus_if.h"
83 #include "pci_if.h"
84 
85 #if _BYTE_ORDER == _LITTLE_ENDIAN
86 #ifndef LITTLE_ENDIAN
87 #define LITTLE_ENDIAN
88 #endif
89 #ifndef __LITTLE_ENDIAN
90 #define __LITTLE_ENDIAN
91 #endif
92 #undef BIG_ENDIAN
93 #undef __BIG_ENDIAN
94 #else /* _BIG_ENDIAN */
95 #ifndef BIG_ENDIAN
96 #define BIG_ENDIAN
97 #endif
98 #ifndef __BIG_ENDIAN
99 #define __BIG_ENDIAN
100 #endif
101 #undef LITTLE_ENDIAN
102 #undef __LITTLE_ENDIAN
103 #endif
104 
105 #include "ecore_mfw_req.h"
106 #include "ecore_fw_defs.h"
107 #include "ecore_hsi.h"
108 #include "ecore_reg.h"
109 #include "bxe_dcb.h"
110 #include "bxe_stats.h"
111 
112 #include "bxe_elink.h"
113 
114 #define VF_MAC_CREDIT_CNT 0
115 #define VF_VLAN_CREDIT_CNT (0)
116 
117 #ifndef ARRAY_SIZE
118 #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
119 #endif
120 #ifndef ARRSIZE
121 #define ARRSIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
122 #endif
123 #ifndef DIV_ROUND_UP
124 #define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
125 #endif
126 #ifndef roundup
127 #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y))
128 #endif
129 #ifndef ilog2
130 static inline
131 int bxe_ilog2(int x)
132 {
133     int log = 0;
134     while (x >>= 1) log++;
135     return (log);
136 }
137 #define ilog2(x) bxe_ilog2(x)
138 #endif
139 
140 #include "ecore_sp.h"
141 
142 #define BRCM_VENDORID 0x14e4
143 #define	QLOGIC_VENDORID	0x1077
144 #define PCI_ANY_ID    (uint16_t)(~0U)
145 
146 struct bxe_device_type
147 {
148     uint16_t bxe_vid;
149     uint16_t bxe_did;
150     uint16_t bxe_svid;
151     uint16_t bxe_sdid;
152     char     *bxe_name;
153 };
154 
155 #define BCM_PAGE_SHIFT       12
156 #define BCM_PAGE_SIZE        (1 << BCM_PAGE_SHIFT)
157 #define BCM_PAGE_MASK        (~(BCM_PAGE_SIZE - 1))
158 #define BCM_PAGE_ALIGN(addr) ((addr + BCM_PAGE_SIZE - 1) & BCM_PAGE_MASK)
159 
160 #if BCM_PAGE_SIZE != 4096
161 #error Page sizes other than 4KB are unsupported!
162 #endif
163 
164 #if (BUS_SPACE_MAXADDR > 0xFFFFFFFF)
165 #define U64_LO(addr) ((uint32_t)(((uint64_t)(addr)) & 0xFFFFFFFF))
166 #define U64_HI(addr) ((uint32_t)(((uint64_t)(addr)) >> 32))
167 #else
168 #define U64_LO(addr) ((uint32_t)(addr))
169 #define U64_HI(addr) (0)
170 #endif
171 #define HILO_U64(hi, lo) ((((uint64_t)(hi)) << 32) + (lo))
172 
173 #define SET_FLAG(value, mask, flag)            \
174     do {                                       \
175         (value) &= ~(mask);                    \
176         (value) |= ((flag) << (mask##_SHIFT)); \
177     } while (0)
178 
179 #define GET_FLAG(value, mask)              \
180     (((value) & (mask)) >> (mask##_SHIFT))
181 
182 #define GET_FIELD(value, fname)                     \
183     (((value) & (fname##_MASK)) >> (fname##_SHIFT))
184 
185 #define BXE_MAX_SEGMENTS     12 /* 13-1 for parsing buffer */
186 #define BXE_TSO_MAX_SEGMENTS 32
187 #define BXE_TSO_MAX_SIZE     (65535 + sizeof(struct ether_vlan_header))
188 #define BXE_TSO_MAX_SEG_SIZE 4096
189 
190 /* dropless fc FW/HW related params */
191 #define BRB_SIZE(sc)         (CHIP_IS_E3(sc) ? 1024 : 512)
192 #define MAX_AGG_QS(sc)       (CHIP_IS_E1(sc) ?                       \
193                                   ETH_MAX_AGGREGATION_QUEUES_E1 :    \
194                                   ETH_MAX_AGGREGATION_QUEUES_E1H_E2)
195 #define FW_DROP_LEVEL(sc)    (3 + MAX_SPQ_PENDING + MAX_AGG_QS(sc))
196 #define FW_PREFETCH_CNT      16
197 #define DROPLESS_FC_HEADROOM 100
198 
199 /******************/
200 /* RX SGE defines */
201 /******************/
202 
203 #define RX_SGE_NUM_PAGES       2 /* must be a power of 2 */
204 #define RX_SGE_TOTAL_PER_PAGE  (BCM_PAGE_SIZE / sizeof(struct eth_rx_sge))
205 #define RX_SGE_NEXT_PAGE_DESC_CNT 2
206 #define RX_SGE_USABLE_PER_PAGE (RX_SGE_TOTAL_PER_PAGE - RX_SGE_NEXT_PAGE_DESC_CNT)
207 #define RX_SGE_PER_PAGE_MASK   (RX_SGE_TOTAL_PER_PAGE - 1)
208 #define RX_SGE_TOTAL           (RX_SGE_TOTAL_PER_PAGE * RX_SGE_NUM_PAGES)
209 #define RX_SGE_USABLE          (RX_SGE_USABLE_PER_PAGE * RX_SGE_NUM_PAGES)
210 #define RX_SGE_MAX             (RX_SGE_TOTAL - 1)
211 #define RX_SGE(x)              ((x) & RX_SGE_MAX)
212 
213 #define RX_SGE_NEXT(x)                                              \
214     ((((x) & RX_SGE_PER_PAGE_MASK) == (RX_SGE_USABLE_PER_PAGE - 1)) \
215      ? (x) + 1 + RX_SGE_NEXT_PAGE_DESC_CNT : (x) + 1)
216 
217 #define RX_SGE_MASK_ELEM_SZ    64
218 #define RX_SGE_MASK_ELEM_SHIFT 6
219 #define RX_SGE_MASK_ELEM_MASK  ((uint64_t)RX_SGE_MASK_ELEM_SZ - 1)
220 
221 /*
222  * Creates a bitmask of all ones in less significant bits.
223  * idx - index of the most significant bit in the created mask.
224  */
225 #define RX_SGE_ONES_MASK(idx)                                      \
226     (((uint64_t)0x1 << (((idx) & RX_SGE_MASK_ELEM_MASK) + 1)) - 1)
227 #define RX_SGE_MASK_ELEM_ONE_MASK ((uint64_t)(~0))
228 
229 /* Number of uint64_t elements in SGE mask array. */
230 #define RX_SGE_MASK_LEN                                                \
231     ((RX_SGE_NUM_PAGES * RX_SGE_TOTAL_PER_PAGE) / RX_SGE_MASK_ELEM_SZ)
232 #define RX_SGE_MASK_LEN_MASK      (RX_SGE_MASK_LEN - 1)
233 #define RX_SGE_NEXT_MASK_ELEM(el) (((el) + 1) & RX_SGE_MASK_LEN_MASK)
234 
235 /*
236  * dropless fc calculations for SGEs
237  * Number of required SGEs is the sum of two:
238  * 1. Number of possible opened aggregations (next packet for
239  *    these aggregations will probably consume SGE immidiatelly)
240  * 2. Rest of BRB blocks divided by 2 (block will consume new SGE only
241  *    after placement on BD for new TPA aggregation)
242  * Takes into account RX_SGE_NEXT_PAGE_DESC_CNT "next" elements on each page
243  */
244 #define NUM_SGE_REQ(sc)                                    \
245     (MAX_AGG_QS(sc) + (BRB_SIZE(sc) - MAX_AGG_QS(sc)) / 2)
246 #define NUM_SGE_PG_REQ(sc)                                                    \
247     ((NUM_SGE_REQ(sc) + RX_SGE_USABLE_PER_PAGE - 1) / RX_SGE_USABLE_PER_PAGE)
248 #define SGE_TH_LO(sc)                                                  \
249     (NUM_SGE_REQ(sc) + NUM_SGE_PG_REQ(sc) * RX_SGE_NEXT_PAGE_DESC_CNT)
250 #define SGE_TH_HI(sc)                      \
251     (SGE_TH_LO(sc) + DROPLESS_FC_HEADROOM)
252 
253 #define PAGES_PER_SGE_SHIFT  0
254 #define PAGES_PER_SGE        (1 << PAGES_PER_SGE_SHIFT)
255 #define SGE_PAGE_SIZE        BCM_PAGE_SIZE
256 #define SGE_PAGE_SHIFT       BCM_PAGE_SHIFT
257 #define SGE_PAGE_ALIGN(addr) BCM_PAGE_ALIGN(addr)
258 #define SGE_PAGES            (SGE_PAGE_SIZE * PAGES_PER_SGE)
259 #define TPA_AGG_SIZE         min((8 * SGE_PAGES), 0xffff)
260 
261 /*****************/
262 /* TX BD defines */
263 /*****************/
264 
265 #define TX_BD_NUM_PAGES       16 /* must be a power of 2 */
266 #define TX_BD_TOTAL_PER_PAGE  (BCM_PAGE_SIZE / sizeof(union eth_tx_bd_types))
267 #define TX_BD_USABLE_PER_PAGE (TX_BD_TOTAL_PER_PAGE - 1)
268 #define TX_BD_TOTAL           (TX_BD_TOTAL_PER_PAGE * TX_BD_NUM_PAGES)
269 #define TX_BD_USABLE          (TX_BD_USABLE_PER_PAGE * TX_BD_NUM_PAGES)
270 #define TX_BD_MAX             (TX_BD_TOTAL - 1)
271 
272 #define TX_BD_NEXT(x)                                                 \
273     ((((x) & TX_BD_USABLE_PER_PAGE) == (TX_BD_USABLE_PER_PAGE - 1)) ? \
274      ((x) + 2) : ((x) + 1))
275 #define TX_BD(x)      ((x) & TX_BD_MAX)
276 #define TX_BD_PAGE(x) (((x) & ~TX_BD_USABLE_PER_PAGE) >> 8)
277 #define TX_BD_IDX(x)  ((x) & TX_BD_USABLE_PER_PAGE)
278 
279 /*
280  * Trigger pending transmits when the number of available BDs is greater
281  * than 1/8 of the total number of usable BDs.
282  */
283 #define BXE_TX_CLEANUP_THRESHOLD (TX_BD_USABLE / 8)
284 #define BXE_TX_TIMEOUT 5
285 
286 /*****************/
287 /* RX BD defines */
288 /*****************/
289 
290 #define RX_BD_NUM_PAGES       8 /* power of 2 */
291 #define RX_BD_TOTAL_PER_PAGE  (BCM_PAGE_SIZE / sizeof(struct eth_rx_bd))
292 #define RX_BD_NEXT_PAGE_DESC_CNT 2
293 #define RX_BD_USABLE_PER_PAGE (RX_BD_TOTAL_PER_PAGE - RX_BD_NEXT_PAGE_DESC_CNT)
294 #define RX_BD_PER_PAGE_MASK   (RX_BD_TOTAL_PER_PAGE - 1)
295 #define RX_BD_TOTAL           (RX_BD_TOTAL_PER_PAGE * RX_BD_NUM_PAGES)
296 #define RX_BD_USABLE          (RX_BD_USABLE_PER_PAGE * RX_BD_NUM_PAGES)
297 #define RX_BD_MAX             (RX_BD_TOTAL - 1)
298 
299 #define RX_BD_NEXT(x)                                               \
300     ((((x) & RX_BD_PER_PAGE_MASK) == (RX_BD_USABLE_PER_PAGE - 1)) ? \
301      ((x) + 3) : ((x) + 1))
302 #define RX_BD(x)      ((x) & RX_BD_MAX)
303 #define RX_BD_PAGE(x) (((x) & ~RX_BD_PER_PAGE_MASK) >> 9)
304 #define RX_BD_IDX(x)  ((x) & RX_BD_PER_PAGE_MASK)
305 
306 /*
307  * dropless fc calculations for BDs
308  * Number of BDs should be as number of buffers in BRB:
309  * Low threshold takes into account RX_BD_NEXT_PAGE_DESC_CNT
310  * "next" elements on each page
311  */
312 #define NUM_BD_REQ(sc) \
313     BRB_SIZE(sc)
314 #define NUM_BD_PG_REQ(sc)                                                  \
315     ((NUM_BD_REQ(sc) + RX_BD_USABLE_PER_PAGE - 1) / RX_BD_USABLE_PER_PAGE)
316 #define BD_TH_LO(sc)                                \
317     (NUM_BD_REQ(sc) +                               \
318      NUM_BD_PG_REQ(sc) * RX_BD_NEXT_PAGE_DESC_CNT + \
319      FW_DROP_LEVEL(sc))
320 #define BD_TH_HI(sc)                      \
321     (BD_TH_LO(sc) + DROPLESS_FC_HEADROOM)
322 #define MIN_RX_AVAIL(sc)                           \
323     ((sc)->dropless_fc ? BD_TH_HI(sc) + 128 : 128)
324 #define MIN_RX_SIZE_TPA_HW(sc)                         \
325     (CHIP_IS_E1(sc) ? ETH_MIN_RX_CQES_WITH_TPA_E1 :    \
326                       ETH_MIN_RX_CQES_WITH_TPA_E1H_E2)
327 #define MIN_RX_SIZE_NONTPA_HW ETH_MIN_RX_CQES_WITHOUT_TPA
328 #define MIN_RX_SIZE_TPA(sc)                         \
329     (max(MIN_RX_SIZE_TPA_HW(sc), MIN_RX_AVAIL(sc)))
330 #define MIN_RX_SIZE_NONTPA(sc)                     \
331     (max(MIN_RX_SIZE_NONTPA_HW, MIN_RX_AVAIL(sc)))
332 
333 /***************/
334 /* RCQ defines */
335 /***************/
336 
337 /*
338  * As long as CQE is X times bigger than BD entry we have to allocate X times
339  * more pages for CQ ring in order to keep it balanced with BD ring
340  */
341 #define CQE_BD_REL          (sizeof(union eth_rx_cqe) / \
342                              sizeof(struct eth_rx_bd))
343 #define RCQ_NUM_PAGES       (RX_BD_NUM_PAGES * CQE_BD_REL) /* power of 2 */
344 #define RCQ_TOTAL_PER_PAGE  (BCM_PAGE_SIZE / sizeof(union eth_rx_cqe))
345 #define RCQ_NEXT_PAGE_DESC_CNT 1
346 #define RCQ_USABLE_PER_PAGE (RCQ_TOTAL_PER_PAGE - RCQ_NEXT_PAGE_DESC_CNT)
347 #define RCQ_TOTAL           (RCQ_TOTAL_PER_PAGE * RCQ_NUM_PAGES)
348 #define RCQ_USABLE          (RCQ_USABLE_PER_PAGE * RCQ_NUM_PAGES)
349 #define RCQ_MAX             (RCQ_TOTAL - 1)
350 
351 #define RCQ_NEXT(x)                                               \
352     ((((x) & RCQ_USABLE_PER_PAGE) == (RCQ_USABLE_PER_PAGE - 1)) ? \
353      ((x) + 1 + RCQ_NEXT_PAGE_DESC_CNT) : ((x) + 1))
354 #define RCQ(x)      ((x) & RCQ_MAX)
355 #define RCQ_PAGE(x) (((x) & ~RCQ_USABLE_PER_PAGE) >> 7)
356 #define RCQ_IDX(x)  ((x) & RCQ_USABLE_PER_PAGE)
357 
358 /*
359  * dropless fc calculations for RCQs
360  * Number of RCQs should be as number of buffers in BRB:
361  * Low threshold takes into account RCQ_NEXT_PAGE_DESC_CNT
362  * "next" elements on each page
363  */
364 #define NUM_RCQ_REQ(sc) \
365     BRB_SIZE(sc)
366 #define NUM_RCQ_PG_REQ(sc)                                              \
367     ((NUM_RCQ_REQ(sc) + RCQ_USABLE_PER_PAGE - 1) / RCQ_USABLE_PER_PAGE)
368 #define RCQ_TH_LO(sc)                              \
369     (NUM_RCQ_REQ(sc) +                             \
370      NUM_RCQ_PG_REQ(sc) * RCQ_NEXT_PAGE_DESC_CNT + \
371      FW_DROP_LEVEL(sc))
372 #define RCQ_TH_HI(sc)                      \
373     (RCQ_TH_LO(sc) + DROPLESS_FC_HEADROOM)
374 
375 /* This is needed for determening of last_max */
376 #define SUB_S16(a, b) (int16_t)((int16_t)(a) - (int16_t)(b))
377 
378 #define __SGE_MASK_SET_BIT(el, bit)               \
379     do {                                          \
380         (el) = ((el) | ((uint64_t)0x1 << (bit))); \
381     } while (0)
382 
383 #define __SGE_MASK_CLEAR_BIT(el, bit)                \
384     do {                                             \
385         (el) = ((el) & (~((uint64_t)0x1 << (bit)))); \
386     } while (0)
387 
388 #define SGE_MASK_SET_BIT(fp, idx)                                       \
389     __SGE_MASK_SET_BIT((fp)->sge_mask[(idx) >> RX_SGE_MASK_ELEM_SHIFT], \
390                        ((idx) & RX_SGE_MASK_ELEM_MASK))
391 
392 #define SGE_MASK_CLEAR_BIT(fp, idx)                                       \
393     __SGE_MASK_CLEAR_BIT((fp)->sge_mask[(idx) >> RX_SGE_MASK_ELEM_SHIFT], \
394                          ((idx) & RX_SGE_MASK_ELEM_MASK))
395 
396 /* Load / Unload modes */
397 #define LOAD_NORMAL       0
398 #define LOAD_OPEN         1
399 #define LOAD_DIAG         2
400 #define LOAD_LOOPBACK_EXT 3
401 #define UNLOAD_NORMAL     0
402 #define UNLOAD_CLOSE      1
403 #define UNLOAD_RECOVERY   2
404 
405 /* Some constants... */
406 //#define MAX_PATH_NUM       2
407 //#define E2_MAX_NUM_OF_VFS  64
408 //#define E1H_FUNC_MAX       8
409 //#define E2_FUNC_MAX        4   /* per path */
410 #define MAX_VNIC_NUM       4
411 #define MAX_FUNC_NUM       8   /* common to all chips */
412 //#define MAX_NDSB           HC_SB_MAX_SB_E2 /* max non-default status block */
413 #define MAX_RSS_CHAINS     16 /* a constant for HW limit */
414 #define MAX_MSI_VECTOR     8  /* a constant for HW limit */
415 
416 #define ILT_NUM_PAGE_ENTRIES 3072
417 /*
418  * 57710/11 we use whole table since we have 8 functions.
419  * 57712 we have only 4 functions, but use same size per func, so only half
420  * of the table is used.
421  */
422 #define ILT_PER_FUNC        (ILT_NUM_PAGE_ENTRIES / 8)
423 #define FUNC_ILT_BASE(func) (func * ILT_PER_FUNC)
424 /*
425  * the phys address is shifted right 12 bits and has an added
426  * 1=valid bit added to the 53rd bit
427  * then since this is a wide register(TM)
428  * we split it into two 32 bit writes
429  */
430 #define ONCHIP_ADDR1(x) ((uint32_t)(((uint64_t)x >> 12) & 0xFFFFFFFF))
431 #define ONCHIP_ADDR2(x) ((uint32_t)((1 << 20) | ((uint64_t)x >> 44)))
432 
433 /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
434 #define ETH_HLEN                  14
435 #define ETH_OVERHEAD              (ETH_HLEN + 8 + 8)
436 #define ETH_MIN_PACKET_SIZE       60
437 #define ETH_MAX_PACKET_SIZE       ETHERMTU /* 1500 */
438 #define ETH_MAX_JUMBO_PACKET_SIZE 9600
439 /* TCP with Timestamp Option (32) + IPv6 (40) */
440 #define ETH_MAX_TPA_HEADER_SIZE   72
441 
442 /* max supported alignment is 256 (8 shift) */
443 //#define BXE_RX_ALIGN_SHIFT ((CACHE_LINE_SHIFT < 8) ? CACHE_LINE_SHIFT : 8)
444 #define BXE_RX_ALIGN_SHIFT 8
445 /* FW uses 2 cache lines alignment for start packet and size  */
446 #define BXE_FW_RX_ALIGN_START (1 << BXE_RX_ALIGN_SHIFT)
447 #define BXE_FW_RX_ALIGN_END   (1 << BXE_RX_ALIGN_SHIFT)
448 
449 #define BXE_PXP_DRAM_ALIGN (BXE_RX_ALIGN_SHIFT - 5) /* XXX ??? */
450 #define BXE_SET_ERROR_BIT(sc, error) \
451 { \
452                 (sc)->error_status |= (error); \
453 }
454 
455 struct bxe_bar {
456     struct resource    *resource;
457     int                rid;
458     bus_space_tag_t    tag;
459     bus_space_handle_t handle;
460     vm_offset_t        kva;
461 };
462 
463 struct bxe_intr {
464     struct resource *resource;
465     int             rid;
466     void            *tag;
467 };
468 
469 /* Used to manage DMA allocations. */
470 struct bxe_dma {
471     struct bxe_softc  *sc;
472     bus_addr_t        paddr;
473     void              *vaddr;
474     bus_dma_tag_t     tag;
475     bus_dmamap_t      map;
476     bus_dma_segment_t seg;
477     bus_size_t        size;
478     int               nseg;
479     char              msg[32];
480 };
481 
482 /* attn group wiring */
483 #define MAX_DYNAMIC_ATTN_GRPS 8
484 
485 struct attn_route {
486     uint32_t sig[5];
487 };
488 
489 struct iro {
490     uint32_t base;
491     uint16_t m1;
492     uint16_t m2;
493     uint16_t m3;
494     uint16_t size;
495 };
496 
497 union bxe_host_hc_status_block {
498     /* pointer to fp status block e2 */
499     struct host_hc_status_block_e2  *e2_sb;
500     /* pointer to fp status block e1x */
501     struct host_hc_status_block_e1x *e1x_sb;
502 };
503 
504 union bxe_db_prod {
505     struct doorbell_set_prod data;
506     uint32_t                 raw;
507 };
508 
509 struct bxe_sw_tx_bd {
510     struct mbuf  *m;
511     bus_dmamap_t m_map;
512     uint16_t     first_bd;
513     uint8_t      flags;
514 /* set on the first BD descriptor when there is a split BD */
515 #define BXE_TSO_SPLIT_BD (1 << 0)
516 };
517 
518 struct bxe_sw_rx_bd {
519     struct mbuf  *m;
520     bus_dmamap_t m_map;
521 };
522 
523 struct bxe_sw_tpa_info {
524     struct bxe_sw_rx_bd bd;
525     bus_dma_segment_t   seg;
526     uint8_t             state;
527 #define BXE_TPA_STATE_START 1
528 #define BXE_TPA_STATE_STOP  2
529     uint8_t             placement_offset;
530     uint16_t            parsing_flags;
531     uint16_t            vlan_tag;
532     uint16_t            len_on_bd;
533 };
534 
535 /*
536  * This is the HSI fastpath data structure. There can be up to MAX_RSS_CHAIN
537  * instances of the fastpath structure when using multiple queues.
538  */
539 struct bxe_fastpath {
540     /* pointer back to parent structure */
541     struct bxe_softc *sc;
542 
543     struct mtx tx_mtx;
544     char       tx_mtx_name[32];
545     struct mtx rx_mtx;
546     char       rx_mtx_name[32];
547 
548 #define BXE_FP_TX_LOCK(fp)        mtx_lock(&fp->tx_mtx)
549 #define BXE_FP_TX_UNLOCK(fp)      mtx_unlock(&fp->tx_mtx)
550 #define BXE_FP_TX_LOCK_ASSERT(fp) mtx_assert(&fp->tx_mtx, MA_OWNED)
551 #define BXE_FP_TX_TRYLOCK(fp)     mtx_trylock(&fp->tx_mtx)
552 
553 #define BXE_FP_RX_LOCK(fp)        mtx_lock(&fp->rx_mtx)
554 #define BXE_FP_RX_UNLOCK(fp)      mtx_unlock(&fp->rx_mtx)
555 #define BXE_FP_RX_LOCK_ASSERT(fp) mtx_assert(&fp->rx_mtx, MA_OWNED)
556 
557     /* status block */
558     struct bxe_dma                 sb_dma;
559     union bxe_host_hc_status_block status_block;
560 
561     /* transmit chain (tx bds) */
562     struct bxe_dma        tx_dma;
563     union eth_tx_bd_types *tx_chain;
564 
565     /* receive chain (rx bds) */
566     struct bxe_dma   rx_dma;
567     struct eth_rx_bd *rx_chain;
568 
569     /* receive completion queue chain (rcq bds) */
570     struct bxe_dma   rcq_dma;
571     union eth_rx_cqe *rcq_chain;
572 
573     /* receive scatter/gather entry chain (for TPA) */
574     struct bxe_dma    rx_sge_dma;
575     struct eth_rx_sge *rx_sge_chain;
576 
577     /* tx mbufs */
578     bus_dma_tag_t       tx_mbuf_tag;
579     struct bxe_sw_tx_bd tx_mbuf_chain[TX_BD_TOTAL];
580 
581     /* rx mbufs */
582     bus_dma_tag_t       rx_mbuf_tag;
583     struct bxe_sw_rx_bd rx_mbuf_chain[RX_BD_TOTAL];
584     bus_dmamap_t        rx_mbuf_spare_map;
585 
586     /* rx sge mbufs */
587     bus_dma_tag_t       rx_sge_mbuf_tag;
588     struct bxe_sw_rx_bd rx_sge_mbuf_chain[RX_SGE_TOTAL];
589     bus_dmamap_t        rx_sge_mbuf_spare_map;
590 
591     /* rx tpa mbufs (use the larger size for TPA queue length) */
592     int                    tpa_enable; /* disabled per fastpath upon error */
593     struct bxe_sw_tpa_info rx_tpa_info[ETH_MAX_AGGREGATION_QUEUES_E1H_E2];
594     bus_dmamap_t           rx_tpa_info_mbuf_spare_map;
595     uint64_t               rx_tpa_queue_used;
596 
597     uint16_t *sb_index_values;
598     uint16_t *sb_running_index;
599     uint32_t ustorm_rx_prods_offset;
600 
601     uint8_t igu_sb_id; /* status block number in HW */
602     uint8_t fw_sb_id;  /* status block number in FW */
603 
604     uint32_t rx_buf_size;
605     int mbuf_alloc_size;
606 
607     int state;
608 #define BXE_FP_STATE_CLOSED  0x01
609 #define BXE_FP_STATE_IRQ     0x02
610 #define BXE_FP_STATE_OPENING 0x04
611 #define BXE_FP_STATE_OPEN    0x08
612 #define BXE_FP_STATE_HALTING 0x10
613 #define BXE_FP_STATE_HALTED  0x20
614 
615     /* reference back to this fastpath queue number */
616     uint8_t index; /* this is also the 'cid' */
617 #define FP_IDX(fp) (fp->index)
618 
619     /* interrupt taskqueue (fast) */
620     struct task      tq_task;
621     struct taskqueue *tq;
622     char             tq_name[32];
623 
624     struct task tx_task;
625     struct timeout_task tx_timeout_task;
626 
627     /* ethernet client ID (each fastpath set of RX/TX/CQE is a client) */
628     uint8_t cl_id;
629 #define FP_CL_ID(fp) (fp->cl_id)
630     uint8_t cl_qzone_id;
631 
632     uint16_t fp_hc_idx;
633 
634     /* driver copy of the receive buffer descriptor prod/cons indices */
635     uint16_t rx_bd_prod;
636     uint16_t rx_bd_cons;
637 
638     /* driver copy of the receive completion queue prod/cons indices */
639     uint16_t rx_cq_prod;
640     uint16_t rx_cq_cons;
641 
642     union bxe_db_prod tx_db;
643 
644     /* Transmit packet producer index (used in eth_tx_bd). */
645     uint16_t tx_pkt_prod;
646     uint16_t tx_pkt_cons;
647 
648     /* Transmit buffer descriptor producer index. */
649     uint16_t tx_bd_prod;
650     uint16_t tx_bd_cons;
651 
652     uint64_t sge_mask[RX_SGE_MASK_LEN];
653     uint16_t rx_sge_prod;
654 
655     struct tstorm_per_queue_stats old_tclient;
656     struct ustorm_per_queue_stats old_uclient;
657     struct xstorm_per_queue_stats old_xclient;
658     struct bxe_eth_q_stats        eth_q_stats;
659     struct bxe_eth_q_stats_old    eth_q_stats_old;
660 
661     /* Pointer to the receive consumer in the status block */
662     uint16_t *rx_cq_cons_sb;
663 
664     /* Pointer to the transmit consumer in the status block */
665     uint16_t *tx_cons_sb;
666 
667     /* transmit timeout until chip reset */
668     int watchdog_timer;
669 
670     /* Free/used buffer descriptor counters. */
671     //uint16_t used_tx_bd;
672 
673     /* Last maximal completed SGE */
674     uint16_t last_max_sge;
675 
676     //uint16_t rx_sge_free_idx;
677 
678     //uint8_t segs;
679 
680 #define BXE_BR_SIZE 4096
681     struct buf_ring *tx_br;
682 }; /* struct bxe_fastpath */
683 
684 /* sriov XXX */
685 #define BXE_MAX_NUM_OF_VFS 64
686 #define BXE_VF_CID_WND     0
687 #define BXE_CIDS_PER_VF    (1 << BXE_VF_CID_WND)
688 #define BXE_CLIENTS_PER_VF 1
689 #define BXE_FIRST_VF_CID   256
690 #define BXE_VF_CIDS        (BXE_MAX_NUM_OF_VFS * BXE_CIDS_PER_VF)
691 #define BXE_VF_ID_INVALID  0xFF
692 #define IS_SRIOV(sc) 0
693 
694 #define GET_NUM_VFS_PER_PATH(sc) 0
695 #define GET_NUM_VFS_PER_PF(sc)   0
696 
697 /* maximum number of fast-path interrupt contexts */
698 #define FP_SB_MAX_E1x 16
699 #define FP_SB_MAX_E2  HC_SB_MAX_SB_E2
700 
701 union cdu_context {
702     struct eth_context eth;
703     char pad[1024];
704 };
705 
706 /* CDU host DB constants */
707 #define CDU_ILT_PAGE_SZ_HW 2
708 #define CDU_ILT_PAGE_SZ    (8192 << CDU_ILT_PAGE_SZ_HW) /* 32K */
709 #define ILT_PAGE_CIDS      (CDU_ILT_PAGE_SZ / sizeof(union cdu_context))
710 
711 #define CNIC_ISCSI_CID_MAX 256
712 #define CNIC_FCOE_CID_MAX  2048
713 #define CNIC_CID_MAX       (CNIC_ISCSI_CID_MAX + CNIC_FCOE_CID_MAX)
714 #define CNIC_ILT_LINES     DIV_ROUND_UP(CNIC_CID_MAX, ILT_PAGE_CIDS)
715 
716 #define QM_ILT_PAGE_SZ_HW  0
717 #define QM_ILT_PAGE_SZ     (4096 << QM_ILT_PAGE_SZ_HW) /* 4K */
718 #define QM_CID_ROUND       1024
719 
720 /* TM (timers) host DB constants */
721 #define TM_ILT_PAGE_SZ_HW  0
722 #define TM_ILT_PAGE_SZ     (4096 << TM_ILT_PAGE_SZ_HW) /* 4K */
723 /*#define TM_CONN_NUM        (CNIC_STARTING_CID+CNIC_ISCSI_CXT_MAX) */
724 #define TM_CONN_NUM        1024
725 #define TM_ILT_SZ          (8 * TM_CONN_NUM)
726 #define TM_ILT_LINES       DIV_ROUND_UP(TM_ILT_SZ, TM_ILT_PAGE_SZ)
727 
728 /* SRC (Searcher) host DB constants */
729 #define SRC_ILT_PAGE_SZ_HW 0
730 #define SRC_ILT_PAGE_SZ    (4096 << SRC_ILT_PAGE_SZ_HW) /* 4K */
731 #define SRC_HASH_BITS      10
732 #define SRC_CONN_NUM       (1 << SRC_HASH_BITS) /* 1024 */
733 #define SRC_ILT_SZ         (sizeof(struct src_ent) * SRC_CONN_NUM)
734 #define SRC_T2_SZ          SRC_ILT_SZ
735 #define SRC_ILT_LINES      DIV_ROUND_UP(SRC_ILT_SZ, SRC_ILT_PAGE_SZ)
736 
737 struct hw_context {
738     struct bxe_dma    vcxt_dma;
739     union cdu_context *vcxt;
740     //bus_addr_t        cxt_mapping;
741     size_t            size;
742 };
743 
744 #define SM_RX_ID 0
745 #define SM_TX_ID 1
746 
747 /* defines for multiple tx priority indices */
748 #define FIRST_TX_ONLY_COS_INDEX 1
749 #define FIRST_TX_COS_INDEX      0
750 
751 #define CID_TO_FP(cid, sc) ((cid) % BXE_NUM_NON_CNIC_QUEUES(sc))
752 
753 #define HC_INDEX_ETH_RX_CQ_CONS       1
754 #define HC_INDEX_OOO_TX_CQ_CONS       4
755 #define HC_INDEX_ETH_TX_CQ_CONS_COS0  5
756 #define HC_INDEX_ETH_TX_CQ_CONS_COS1  6
757 #define HC_INDEX_ETH_TX_CQ_CONS_COS2  7
758 #define HC_INDEX_ETH_FIRST_TX_CQ_CONS HC_INDEX_ETH_TX_CQ_CONS_COS0
759 
760 /* congestion management fairness mode */
761 #define CMNG_FNS_NONE   0
762 #define CMNG_FNS_MINMAX 1
763 
764 /* CMNG constants, as derived from system spec calculations */
765 /* default MIN rate in case VNIC min rate is configured to zero - 100Mbps */
766 #define DEF_MIN_RATE 100
767 /* resolution of the rate shaping timer - 400 usec */
768 #define RS_PERIODIC_TIMEOUT_USEC 400
769 /* number of bytes in single QM arbitration cycle -
770  * coefficient for calculating the fairness timer */
771 #define QM_ARB_BYTES 160000
772 /* resolution of Min algorithm 1:100 */
773 #define MIN_RES 100
774 /* how many bytes above threshold for the minimal credit of Min algorithm*/
775 #define MIN_ABOVE_THRESH 32768
776 /* fairness algorithm integration time coefficient -
777  * for calculating the actual Tfair */
778 #define T_FAIR_COEF ((MIN_ABOVE_THRESH + QM_ARB_BYTES) * 8 * MIN_RES)
779 /* memory of fairness algorithm - 2 cycles */
780 #define FAIR_MEM 2
781 
782 #define HC_SEG_ACCESS_DEF   0 /* Driver decision 0-3 */
783 #define HC_SEG_ACCESS_ATTN  4
784 #define HC_SEG_ACCESS_NORM  0 /* Driver decision 0-1 */
785 
786 /*
787  * The total number of L2 queues, MSIX vectors and HW contexts (CIDs) is
788  * control by the number of fast-path status blocks supported by the
789  * device (HW/FW). Each fast-path status block (FP-SB) aka non-default
790  * status block represents an independent interrupts context that can
791  * serve a regular L2 networking queue. However special L2 queues such
792  * as the FCoE queue do not require a FP-SB and other components like
793  * the CNIC may consume FP-SB reducing the number of possible L2 queues
794  *
795  * If the maximum number of FP-SB available is X then:
796  * a. If CNIC is supported it consumes 1 FP-SB thus the max number of
797  *    regular L2 queues is Y=X-1
798  * b. in MF mode the actual number of L2 queues is Y= (X-1/MF_factor)
799  * c. If the FCoE L2 queue is supported the actual number of L2 queues
800  *    is Y+1
801  * d. The number of irqs (MSIX vectors) is either Y+1 (one extra for
802  *    slow-path interrupts) or Y+2 if CNIC is supported (one additional
803  *    FP interrupt context for the CNIC).
804  * e. The number of HW context (CID count) is always X or X+1 if FCoE
805  *    L2 queue is supported. the cid for the FCoE L2 queue is always X.
806  *
807  * So this is quite simple for now as no ULPs are supported yet. :-)
808  */
809 #define BXE_NUM_QUEUES(sc)          ((sc)->num_queues)
810 #define BXE_NUM_ETH_QUEUES(sc)      BXE_NUM_QUEUES(sc)
811 #define BXE_NUM_NON_CNIC_QUEUES(sc) BXE_NUM_QUEUES(sc)
812 #define BXE_NUM_RX_QUEUES(sc)       BXE_NUM_QUEUES(sc)
813 
814 #define FOR_EACH_QUEUE(sc, var)                          \
815     for ((var) = 0; (var) < BXE_NUM_QUEUES(sc); (var)++)
816 
817 #define FOR_EACH_NONDEFAULT_QUEUE(sc, var)               \
818     for ((var) = 1; (var) < BXE_NUM_QUEUES(sc); (var)++)
819 
820 #define FOR_EACH_ETH_QUEUE(sc, var)                          \
821     for ((var) = 0; (var) < BXE_NUM_ETH_QUEUES(sc); (var)++)
822 
823 #define FOR_EACH_NONDEFAULT_ETH_QUEUE(sc, var)               \
824     for ((var) = 1; (var) < BXE_NUM_ETH_QUEUES(sc); (var)++)
825 
826 #define FOR_EACH_COS_IN_TX_QUEUE(sc, var)           \
827     for ((var) = 0; (var) < (sc)->max_cos; (var)++)
828 
829 #define FOR_EACH_CNIC_QUEUE(sc, var)     \
830     for ((var) = BXE_NUM_ETH_QUEUES(sc); \
831          (var) < BXE_NUM_QUEUES(sc);     \
832          (var)++)
833 
834 enum {
835     OOO_IDX_OFFSET,
836     FCOE_IDX_OFFSET,
837     FWD_IDX_OFFSET,
838 };
839 
840 #define FCOE_IDX(sc)              (BXE_NUM_NON_CNIC_QUEUES(sc) + FCOE_IDX_OFFSET)
841 #define bxe_fcoe_fp(sc)           (&sc->fp[FCOE_IDX(sc)])
842 #define bxe_fcoe(sc, var)         (bxe_fcoe_fp(sc)->var)
843 #define bxe_fcoe_inner_sp_obj(sc) (&sc->sp_objs[FCOE_IDX(sc)])
844 #define bxe_fcoe_sp_obj(sc, var)  (bxe_fcoe_inner_sp_obj(sc)->var)
845 #define bxe_fcoe_tx(sc, var)      (bxe_fcoe_fp(sc)->txdata_ptr[FIRST_TX_COS_INDEX]->var)
846 
847 #define OOO_IDX(sc)               (BXE_NUM_NON_CNIC_QUEUES(sc) + OOO_IDX_OFFSET)
848 #define bxe_ooo_fp(sc)            (&sc->fp[OOO_IDX(sc)])
849 #define bxe_ooo(sc, var)          (bxe_ooo_fp(sc)->var)
850 #define bxe_ooo_inner_sp_obj(sc)  (&sc->sp_objs[OOO_IDX(sc)])
851 #define bxe_ooo_sp_obj(sc, var)   (bxe_ooo_inner_sp_obj(sc)->var)
852 
853 #define FWD_IDX(sc)               (BXE_NUM_NON_CNIC_QUEUES(sc) + FWD_IDX_OFFSET)
854 #define bxe_fwd_fp(sc)            (&sc->fp[FWD_IDX(sc)])
855 #define bxe_fwd(sc, var)          (bxe_fwd_fp(sc)->var)
856 #define bxe_fwd_inner_sp_obj(sc)  (&sc->sp_objs[FWD_IDX(sc)])
857 #define bxe_fwd_sp_obj(sc, var)   (bxe_fwd_inner_sp_obj(sc)->var)
858 #define bxe_fwd_txdata(fp)        (fp->txdata_ptr[FIRST_TX_COS_INDEX])
859 
860 #define IS_ETH_FP(fp)    ((fp)->index < BXE_NUM_ETH_QUEUES((fp)->sc))
861 #define IS_FCOE_FP(fp)   ((fp)->index == FCOE_IDX((fp)->sc))
862 #define IS_FCOE_IDX(idx) ((idx) == FCOE_IDX(sc))
863 #define IS_FWD_FP(fp)    ((fp)->index == FWD_IDX((fp)->sc))
864 #define IS_FWD_IDX(idx)  ((idx) == FWD_IDX(sc))
865 #define IS_OOO_FP(fp)    ((fp)->index == OOO_IDX((fp)->sc))
866 #define IS_OOO_IDX(idx)  ((idx) == OOO_IDX(sc))
867 
868 enum {
869     BXE_PORT_QUERY_IDX,
870     BXE_PF_QUERY_IDX,
871     BXE_FCOE_QUERY_IDX,
872     BXE_FIRST_QUEUE_QUERY_IDX,
873 };
874 
875 struct bxe_fw_stats_req {
876     struct stats_query_header hdr;
877     struct stats_query_entry  query[FP_SB_MAX_E1x +
878                                     BXE_FIRST_QUEUE_QUERY_IDX];
879 };
880 
881 struct bxe_fw_stats_data {
882     struct stats_counter          storm_counters;
883     struct per_port_stats         port;
884     struct per_pf_stats           pf;
885     //struct fcoe_statistics_params fcoe;
886     struct per_queue_stats        queue_stats[1];
887 };
888 
889 /* IGU MSIX STATISTICS on 57712: 64 for VFs; 4 for PFs; 4 for Attentions */
890 #define BXE_IGU_STAS_MSG_VF_CNT 64
891 #define BXE_IGU_STAS_MSG_PF_CNT 4
892 
893 #define MAX_DMAE_C 8
894 
895 /*
896  * For the main interface up/down code paths, a not-so-fine-grained CORE
897  * mutex lock is used. Inside this code are various calls to kernel routines
898  * that can cause a sleep to occur. Namely memory allocations and taskqueue
899  * handling. If using an MTX lock we are *not* allowed to sleep but we can
900  * with an SX lock. This define forces the CORE lock to use and SX lock.
901  * Undefine this and an MTX lock will be used instead. Note that the IOCTL
902  * path can cause problems since it's called by a non-sleepable thread. To
903  * alleviate a potential sleep, any IOCTL processing that results in the
904  * chip/interface being started/stopped/reinitialized, the actual work is
905  * offloaded to a taskqueue.
906  */
907 #define BXE_CORE_LOCK_SX
908 
909 /*
910  * This is the slowpath data structure. It is mapped into non-paged memory
911  * so that the hardware can access it's contents directly and must be page
912  * aligned.
913  */
914 struct bxe_slowpath {
915 
916     /* used by the DMAE command executer */
917     struct dmae_cmd dmae[MAX_DMAE_C];
918 
919     /* statistics completion */
920     uint32_t stats_comp;
921 
922     /* firmware defined statistics blocks */
923     union mac_stats        mac_stats;
924     struct nig_stats       nig_stats;
925     struct host_port_stats port_stats;
926     struct host_func_stats func_stats;
927     //struct host_func_stats func_stats_base;
928 
929     /* DMAE completion value and data source/sink */
930     uint32_t wb_comp;
931     uint32_t wb_data[4];
932 
933     union {
934         struct mac_configuration_cmd          e1x;
935         struct eth_classify_rules_ramrod_data e2;
936     } mac_rdata;
937 
938     union {
939         struct tstorm_eth_mac_filter_config e1x;
940         struct eth_filter_rules_ramrod_data e2;
941     } rx_mode_rdata;
942 
943     struct eth_rss_update_ramrod_data rss_rdata;
944 
945     union {
946         struct mac_configuration_cmd           e1;
947         struct eth_multicast_rules_ramrod_data e2;
948     } mcast_rdata;
949 
950     union {
951         struct function_start_data        func_start;
952         struct flow_control_configuration pfc_config; /* for DCBX ramrod */
953     } func_rdata;
954 
955     /* Queue State related ramrods */
956     union {
957         struct client_init_ramrod_data   init_data;
958         struct client_update_ramrod_data update_data;
959     } q_rdata;
960 
961     /*
962      * AFEX ramrod can not be a part of func_rdata union because these
963      * events might arrive in parallel to other events from func_rdata.
964      * If they were defined in the same union the data can get corrupted.
965      */
966     struct afex_vif_list_ramrod_data func_afex_rdata;
967 
968     union drv_info_to_mcp drv_info_to_mcp;
969 }; /* struct bxe_slowpath */
970 
971 /*
972  * Port specifc data structure.
973  */
974 struct bxe_port {
975     /*
976      * Port Management Function (for 57711E only).
977      * When this field is set the driver instance is
978      * responsible for managing port specifc
979      * configurations such as handling link attentions.
980      */
981     uint32_t pmf;
982 
983     /* Ethernet maximum transmission unit. */
984     uint16_t ether_mtu;
985 
986     uint32_t link_config[ELINK_LINK_CONFIG_SIZE];
987 
988     uint32_t ext_phy_config;
989 
990     /* Port feature config.*/
991     uint32_t config;
992 
993     /* Defines the features supported by the PHY. */
994     uint32_t supported[ELINK_LINK_CONFIG_SIZE];
995 
996     /* Defines the features advertised by the PHY. */
997     uint32_t advertising[ELINK_LINK_CONFIG_SIZE];
998 #define ADVERTISED_10baseT_Half    (1 << 1)
999 #define ADVERTISED_10baseT_Full    (1 << 2)
1000 #define ADVERTISED_100baseT_Half   (1 << 3)
1001 #define ADVERTISED_100baseT_Full   (1 << 4)
1002 #define ADVERTISED_1000baseT_Half  (1 << 5)
1003 #define ADVERTISED_1000baseT_Full  (1 << 6)
1004 #define ADVERTISED_TP              (1 << 7)
1005 #define ADVERTISED_FIBRE           (1 << 8)
1006 #define ADVERTISED_Autoneg         (1 << 9)
1007 #define ADVERTISED_Asym_Pause      (1 << 10)
1008 #define ADVERTISED_Pause           (1 << 11)
1009 #define ADVERTISED_2500baseX_Full  (1 << 15)
1010 #define ADVERTISED_10000baseT_Full (1 << 16)
1011 
1012     uint32_t    phy_addr;
1013 
1014     /* Used to synchronize phy accesses. */
1015     struct mtx  phy_mtx;
1016     char        phy_mtx_name[32];
1017 
1018 #define BXE_PHY_LOCK(sc)          mtx_lock(&sc->port.phy_mtx)
1019 #define BXE_PHY_UNLOCK(sc)        mtx_unlock(&sc->port.phy_mtx)
1020 #define BXE_PHY_LOCK_ASSERT(sc)   mtx_assert(&sc->port.phy_mtx, MA_OWNED)
1021 
1022     /*
1023      * MCP scratchpad address for port specific statistics.
1024      * The device is responsible for writing statistcss
1025      * back to the MCP for use with management firmware such
1026      * as UMP/NC-SI.
1027      */
1028     uint32_t port_stx;
1029 
1030     struct nig_stats old_nig_stats;
1031 }; /* struct bxe_port */
1032 
1033 struct bxe_mf_info {
1034     uint32_t mf_config[E1HVN_MAX];
1035 
1036     uint32_t vnics_per_port;   /* 1, 2 or 4 */
1037     uint32_t multi_vnics_mode; /* can be set even if vnics_per_port = 1 */
1038     uint32_t path_has_ovlan;   /* MF mode in the path (can be different than the MF mode of the function */
1039 
1040 #define IS_MULTI_VNIC(sc)  ((sc)->devinfo.mf_info.multi_vnics_mode)
1041 #define VNICS_PER_PORT(sc) ((sc)->devinfo.mf_info.vnics_per_port)
1042 #define VNICS_PER_PATH(sc)                                  \
1043     ((sc)->devinfo.mf_info.vnics_per_port *                 \
1044      ((CHIP_PORT_MODE(sc) == CHIP_4_PORT_MODE) ? 2 : 1 ))
1045 
1046     uint8_t min_bw[MAX_VNIC_NUM];
1047     uint8_t max_bw[MAX_VNIC_NUM];
1048 
1049     uint16_t ext_id; /* vnic outer vlan or VIF ID */
1050 #define VALID_OVLAN(ovlan) ((ovlan) <= 4096)
1051 #define INVALID_VIF_ID 0xFFFF
1052 #define OVLAN(sc) ((sc)->devinfo.mf_info.ext_id)
1053 #define VIF_ID(sc) ((sc)->devinfo.mf_info.ext_id)
1054 
1055     uint16_t default_vlan;
1056 #define NIV_DEFAULT_VLAN(sc) ((sc)->devinfo.mf_info.default_vlan)
1057 
1058     uint8_t niv_allowed_priorities;
1059 #define NIV_ALLOWED_PRIORITIES(sc) ((sc)->devinfo.mf_info.niv_allowed_priorities)
1060 
1061     uint8_t niv_default_cos;
1062 #define NIV_DEFAULT_COS(sc) ((sc)->devinfo.mf_info.niv_default_cos)
1063 
1064     uint8_t niv_mba_enabled;
1065 
1066     enum mf_cfg_afex_vlan_mode afex_vlan_mode;
1067 #define AFEX_VLAN_MODE(sc) ((sc)->devinfo.mf_info.afex_vlan_mode)
1068     int                        afex_def_vlan_tag;
1069     uint32_t                   pending_max;
1070 
1071     uint16_t flags;
1072 #define MF_INFO_VALID_MAC       0x0001
1073 
1074     uint8_t mf_mode; /* Switch-Dependent or Switch-Independent */
1075 #define IS_MF(sc)                        \
1076     (IS_MULTI_VNIC(sc) &&                \
1077      ((sc)->devinfo.mf_info.mf_mode != 0))
1078 #define IS_MF_SD(sc)                                     \
1079     (IS_MULTI_VNIC(sc) &&                                \
1080      ((sc)->devinfo.mf_info.mf_mode == MULTI_FUNCTION_SD))
1081 #define IS_MF_SI(sc)                                     \
1082     (IS_MULTI_VNIC(sc) &&                                \
1083      ((sc)->devinfo.mf_info.mf_mode == MULTI_FUNCTION_SI))
1084 #define IS_MF_AFEX(sc)                              \
1085     (IS_MULTI_VNIC(sc) &&                           \
1086      ((sc)->devinfo.mf_info.mf_mode == MULTI_FUNCTION_AFEX))
1087 #define IS_MF_SD_MODE(sc)   IS_MF_SD(sc)
1088 #define IS_MF_SI_MODE(sc)   IS_MF_SI(sc)
1089 #define IS_MF_AFEX_MODE(sc) IS_MF_AFEX(sc)
1090 
1091     uint32_t mf_protos_supported;
1092     #define MF_PROTO_SUPPORT_ETHERNET 0x1
1093     #define MF_PROTO_SUPPORT_ISCSI    0x2
1094     #define MF_PROTO_SUPPORT_FCOE     0x4
1095 }; /* struct bxe_mf_info */
1096 
1097 /* Device information data structure. */
1098 struct bxe_devinfo {
1099     /* PCIe info */
1100     uint16_t vendor_id;
1101     uint16_t device_id;
1102     uint16_t subvendor_id;
1103     uint16_t subdevice_id;
1104 
1105     /*
1106      * chip_id = 0b'CCCCCCCCCCCCCCCCRRRRMMMMMMMMBBBB'
1107      *   C = Chip Number   (bits 16-31)
1108      *   R = Chip Revision (bits 12-15)
1109      *   M = Chip Metal    (bits 4-11)
1110      *   B = Chip Bond ID  (bits 0-3)
1111      */
1112     uint32_t chip_id;
1113 #define CHIP_ID(sc)           ((sc)->devinfo.chip_id & 0xffff0000)
1114 #define CHIP_NUM(sc)          ((sc)->devinfo.chip_id >> 16)
1115 /* device ids */
1116 #define CHIP_NUM_57710        0x164e
1117 #define CHIP_NUM_57711        0x164f
1118 #define CHIP_NUM_57711E       0x1650
1119 #define CHIP_NUM_57712        0x1662
1120 #define CHIP_NUM_57712_MF     0x1663
1121 #define CHIP_NUM_57712_VF     0x166f
1122 #define CHIP_NUM_57800        0x168a
1123 #define CHIP_NUM_57800_MF     0x16a5
1124 #define CHIP_NUM_57800_VF     0x16a9
1125 #define CHIP_NUM_57810        0x168e
1126 #define CHIP_NUM_57810_MF     0x16ae
1127 #define CHIP_NUM_57810_VF     0x16af
1128 #define CHIP_NUM_57811        0x163d
1129 #define CHIP_NUM_57811_MF     0x163e
1130 #define CHIP_NUM_57811_VF     0x163f
1131 #define CHIP_NUM_57840_OBS    0x168d
1132 #define CHIP_NUM_57840_OBS_MF 0x16ab
1133 #define CHIP_NUM_57840_4_10   0x16a1
1134 #define CHIP_NUM_57840_2_20   0x16a2
1135 #define CHIP_NUM_57840_MF     0x16a4
1136 #define CHIP_NUM_57840_VF     0x16ad
1137 
1138 #define CHIP_REV_SHIFT      12
1139 #define CHIP_REV_MASK       (0xF << CHIP_REV_SHIFT)
1140 #define CHIP_REV(sc)        ((sc)->devinfo.chip_id & CHIP_REV_MASK)
1141 
1142 #define CHIP_REV_Ax         (0x0 << CHIP_REV_SHIFT)
1143 #define CHIP_REV_Bx         (0x1 << CHIP_REV_SHIFT)
1144 #define CHIP_REV_Cx         (0x2 << CHIP_REV_SHIFT)
1145 
1146 #define CHIP_REV_IS_SLOW(sc)    \
1147     (CHIP_REV(sc) > 0x00005000)
1148 #define CHIP_REV_IS_FPGA(sc)                              \
1149     (CHIP_REV_IS_SLOW(sc) && (CHIP_REV(sc) & 0x00001000))
1150 #define CHIP_REV_IS_EMUL(sc)                               \
1151     (CHIP_REV_IS_SLOW(sc) && !(CHIP_REV(sc) & 0x00001000))
1152 #define CHIP_REV_IS_ASIC(sc) \
1153     (!CHIP_REV_IS_SLOW(sc))
1154 
1155 #define CHIP_METAL(sc)      ((sc->devinfo.chip_id) & 0x00000ff0)
1156 #define CHIP_BOND_ID(sc)    ((sc->devinfo.chip_id) & 0x0000000f)
1157 
1158 #define CHIP_IS_E1(sc)      (CHIP_NUM(sc) == CHIP_NUM_57710)
1159 #define CHIP_IS_57710(sc)   (CHIP_NUM(sc) == CHIP_NUM_57710)
1160 #define CHIP_IS_57711(sc)   (CHIP_NUM(sc) == CHIP_NUM_57711)
1161 #define CHIP_IS_57711E(sc)  (CHIP_NUM(sc) == CHIP_NUM_57711E)
1162 #define CHIP_IS_E1H(sc)     ((CHIP_IS_57711(sc)) || \
1163                              (CHIP_IS_57711E(sc)))
1164 #define CHIP_IS_E1x(sc)     (CHIP_IS_E1((sc)) || \
1165                              CHIP_IS_E1H((sc)))
1166 
1167 #define CHIP_IS_57712(sc)    (CHIP_NUM(sc) == CHIP_NUM_57712)
1168 #define CHIP_IS_57712_MF(sc) (CHIP_NUM(sc) == CHIP_NUM_57712_MF)
1169 #define CHIP_IS_57712_VF(sc) (CHIP_NUM(sc) == CHIP_NUM_57712_VF)
1170 #define CHIP_IS_E2(sc)       (CHIP_IS_57712(sc) ||  \
1171                               CHIP_IS_57712_MF(sc))
1172 
1173 #define CHIP_IS_57800(sc)    (CHIP_NUM(sc) == CHIP_NUM_57800)
1174 #define CHIP_IS_57800_MF(sc) (CHIP_NUM(sc) == CHIP_NUM_57800_MF)
1175 #define CHIP_IS_57800_VF(sc) (CHIP_NUM(sc) == CHIP_NUM_57800_VF)
1176 #define CHIP_IS_57810(sc)    (CHIP_NUM(sc) == CHIP_NUM_57810)
1177 #define CHIP_IS_57810_MF(sc) (CHIP_NUM(sc) == CHIP_NUM_57810_MF)
1178 #define CHIP_IS_57810_VF(sc) (CHIP_NUM(sc) == CHIP_NUM_57810_VF)
1179 #define CHIP_IS_57811(sc)    (CHIP_NUM(sc) == CHIP_NUM_57811)
1180 #define CHIP_IS_57811_MF(sc) (CHIP_NUM(sc) == CHIP_NUM_57811_MF)
1181 #define CHIP_IS_57811_VF(sc) (CHIP_NUM(sc) == CHIP_NUM_57811_VF)
1182 #define CHIP_IS_57840(sc)    ((CHIP_NUM(sc) == CHIP_NUM_57840_OBS)  || \
1183                               (CHIP_NUM(sc) == CHIP_NUM_57840_4_10) || \
1184                               (CHIP_NUM(sc) == CHIP_NUM_57840_2_20))
1185 #define CHIP_IS_57840_MF(sc) ((CHIP_NUM(sc) == CHIP_NUM_57840_OBS_MF) || \
1186                               (CHIP_NUM(sc) == CHIP_NUM_57840_MF))
1187 #define CHIP_IS_57840_VF(sc) (CHIP_NUM(sc) == CHIP_NUM_57840_VF)
1188 
1189 #define CHIP_IS_E3(sc)      (CHIP_IS_57800(sc)    || \
1190                              CHIP_IS_57800_MF(sc) || \
1191                              CHIP_IS_57800_VF(sc) || \
1192                              CHIP_IS_57810(sc)    || \
1193                              CHIP_IS_57810_MF(sc) || \
1194                              CHIP_IS_57810_VF(sc) || \
1195                              CHIP_IS_57811(sc)    || \
1196                              CHIP_IS_57811_MF(sc) || \
1197                              CHIP_IS_57811_VF(sc) || \
1198                              CHIP_IS_57840(sc)    || \
1199                              CHIP_IS_57840_MF(sc) || \
1200                              CHIP_IS_57840_VF(sc))
1201 #define CHIP_IS_E3A0(sc)    (CHIP_IS_E3(sc) &&              \
1202                              (CHIP_REV(sc) == CHIP_REV_Ax))
1203 #define CHIP_IS_E3B0(sc)    (CHIP_IS_E3(sc) &&              \
1204                              (CHIP_REV(sc) == CHIP_REV_Bx))
1205 
1206 #define USES_WARPCORE(sc)   (CHIP_IS_E3(sc))
1207 #define CHIP_IS_E2E3(sc)    (CHIP_IS_E2(sc) || \
1208                              CHIP_IS_E3(sc))
1209 
1210 #define CHIP_IS_MF_CAP(sc)  (CHIP_IS_57711E(sc)  ||  \
1211                              CHIP_IS_57712_MF(sc) || \
1212                              CHIP_IS_E3(sc))
1213 
1214 #define IS_VF(sc)           (CHIP_IS_57712_VF(sc) || \
1215                              CHIP_IS_57800_VF(sc) || \
1216                              CHIP_IS_57810_VF(sc) || \
1217                              CHIP_IS_57840_VF(sc))
1218 #define IS_PF(sc)           (!IS_VF(sc))
1219 
1220 /*
1221  * This define is used in two main places:
1222  * 1. In the early stages of nic_load, to know if to configure Parser/Searcher
1223  * to nic-only mode or to offload mode. Offload mode is configured if either
1224  * the chip is E1x (where NIC_MODE register is not applicable), or if cnic
1225  * already registered for this port (which means that the user wants storage
1226  * services).
1227  * 2. During cnic-related load, to know if offload mode is already configured
1228  * in the HW or needs to be configrued. Since the transition from nic-mode to
1229  * offload-mode in HW causes traffic coruption, nic-mode is configured only
1230  * in ports on which storage services where never requested.
1231  */
1232 #define CONFIGURE_NIC_MODE(sc) (!CHIP_IS_E1x(sc) && !CNIC_ENABLED(sc))
1233 
1234     uint8_t  chip_port_mode;
1235 #define CHIP_4_PORT_MODE        0x0
1236 #define CHIP_2_PORT_MODE        0x1
1237 #define CHIP_PORT_MODE_NONE     0x2
1238 #define CHIP_PORT_MODE(sc)      ((sc)->devinfo.chip_port_mode)
1239 #define CHIP_IS_MODE_4_PORT(sc) (CHIP_PORT_MODE(sc) == CHIP_4_PORT_MODE)
1240 
1241     uint8_t int_block;
1242 #define INT_BLOCK_HC            0
1243 #define INT_BLOCK_IGU           1
1244 #define INT_BLOCK_MODE_NORMAL   0
1245 #define INT_BLOCK_MODE_BW_COMP  2
1246 #define CHIP_INT_MODE_IS_NBC(sc)                          \
1247     (!CHIP_IS_E1x(sc) &&                                  \
1248      !((sc)->devinfo.int_block & INT_BLOCK_MODE_BW_COMP))
1249 #define CHIP_INT_MODE_IS_BC(sc) (!CHIP_INT_MODE_IS_NBC(sc))
1250 
1251     uint32_t shmem_base;
1252     uint32_t shmem2_base;
1253     uint32_t bc_ver;
1254     char bc_ver_str[32];
1255     uint32_t mf_cfg_base; /* bootcode shmem address in BAR memory */
1256     struct bxe_mf_info mf_info;
1257 
1258     int flash_size;
1259 #define NVRAM_1MB_SIZE      0x20000
1260 #define NVRAM_TIMEOUT_COUNT 30000
1261 #define NVRAM_PAGE_SIZE     256
1262 
1263     /* PCIe capability information */
1264     uint32_t pcie_cap_flags;
1265 #define BXE_PM_CAPABLE_FLAG     0x00000001
1266 #define BXE_PCIE_CAPABLE_FLAG   0x00000002
1267 #define BXE_MSI_CAPABLE_FLAG    0x00000004
1268 #define BXE_MSIX_CAPABLE_FLAG   0x00000008
1269     uint16_t pcie_pm_cap_reg;
1270     uint16_t pcie_pcie_cap_reg;
1271     //uint16_t pcie_devctl;
1272     uint16_t pcie_link_width;
1273     uint16_t pcie_link_speed;
1274     uint16_t pcie_msi_cap_reg;
1275     uint16_t pcie_msix_cap_reg;
1276 
1277     /* device configuration read from bootcode shared memory */
1278     uint32_t hw_config;
1279     uint32_t hw_config2;
1280 }; /* struct bxe_devinfo */
1281 
1282 struct bxe_sp_objs {
1283     struct ecore_vlan_mac_obj mac_obj; /* MACs object */
1284     struct ecore_queue_sp_obj q_obj; /* Queue State object */
1285 }; /* struct bxe_sp_objs */
1286 
1287 /*
1288  * Data that will be used to create a link report message. We will keep the
1289  * data used for the last link report in order to prevent reporting the same
1290  * link parameters twice.
1291  */
1292 struct bxe_link_report_data {
1293     uint16_t      line_speed;        /* Effective line speed */
1294     unsigned long link_report_flags; /* BXE_LINK_REPORT_XXX flags */
1295 };
1296 enum {
1297     BXE_LINK_REPORT_FULL_DUPLEX,
1298     BXE_LINK_REPORT_LINK_DOWN,
1299     BXE_LINK_REPORT_RX_FC_ON,
1300     BXE_LINK_REPORT_TX_FC_ON
1301 };
1302 
1303 /* Top level device private data structure. */
1304 struct bxe_softc {
1305     /*
1306      * First entry must be a pointer to the BSD ifnet struct which
1307      * has a first element of 'void *if_softc' (which is us). XXX
1308      */
1309     if_t 	    ifp;
1310     struct ifmedia  ifmedia; /* network interface media structure */
1311     int             media;
1312 
1313     volatile int    state; /* device state */
1314 #define BXE_STATE_CLOSED                 0x0000
1315 #define BXE_STATE_OPENING_WAITING_LOAD   0x1000
1316 #define BXE_STATE_OPENING_WAITING_PORT   0x2000
1317 #define BXE_STATE_OPEN                   0x3000
1318 #define BXE_STATE_CLOSING_WAITING_HALT   0x4000
1319 #define BXE_STATE_CLOSING_WAITING_DELETE 0x5000
1320 #define BXE_STATE_CLOSING_WAITING_UNLOAD 0x6000
1321 #define BXE_STATE_DISABLED               0xD000
1322 #define BXE_STATE_DIAG                   0xE000
1323 #define BXE_STATE_ERROR                  0xF000
1324 
1325     int flags;
1326 #define BXE_ONE_PORT_FLAG    0x00000001
1327 #define BXE_NO_ISCSI         0x00000002
1328 #define BXE_NO_FCOE          0x00000004
1329 #define BXE_ONE_PORT(sc)     (sc->flags & BXE_ONE_PORT_FLAG)
1330 //#define BXE_NO_WOL_FLAG      0x00000008
1331 //#define BXE_USING_DAC_FLAG   0x00000010
1332 //#define BXE_USING_MSIX_FLAG  0x00000020
1333 //#define BXE_USING_MSI_FLAG   0x00000040
1334 //#define BXE_DISABLE_MSI_FLAG 0x00000080
1335 #define BXE_NO_MCP_FLAG      0x00000200
1336 #define BXE_NOMCP(sc)        (sc->flags & BXE_NO_MCP_FLAG)
1337 //#define BXE_SAFC_TX_FLAG     0x00000400
1338 #define BXE_MF_FUNC_DIS      0x00000800
1339 #define BXE_TX_SWITCHING     0x00001000
1340 #define BXE_NO_PULSE	     0x00002000
1341 
1342     unsigned long debug; /* per-instance debug logging config */
1343 
1344 #define MAX_BARS 5
1345     struct bxe_bar bar[MAX_BARS]; /* map BARs 0, 2, 4 */
1346 
1347     uint16_t doorbell_size;
1348 
1349     /* periodic timer callout */
1350 #define PERIODIC_STOP 0
1351 #define PERIODIC_GO   1
1352     volatile unsigned long periodic_flags;
1353     struct callout         periodic_callout;
1354 
1355     /* chip start/stop/reset taskqueue */
1356 #define CHIP_TQ_NONE   0
1357 #define CHIP_TQ_START  1
1358 #define CHIP_TQ_STOP   2
1359 #define CHIP_TQ_REINIT 3
1360     volatile unsigned long chip_tq_flags;
1361     struct task            chip_tq_task;
1362     struct taskqueue       *chip_tq;
1363     char                   chip_tq_name[32];
1364 
1365     struct timeout_task        sp_err_timeout_task;
1366 
1367     /* slowpath interrupt taskqueue */
1368     struct task      sp_tq_task;
1369     struct taskqueue *sp_tq;
1370     char             sp_tq_name[32];
1371 
1372     struct bxe_fastpath fp[MAX_RSS_CHAINS];
1373     struct bxe_sp_objs  sp_objs[MAX_RSS_CHAINS];
1374 
1375     device_t dev;  /* parent device handle */
1376     uint8_t  unit; /* driver instance number */
1377 
1378     int pcie_bus;    /* PCIe bus number */
1379     int pcie_device; /* PCIe device/slot number */
1380     int pcie_func;   /* PCIe function number */
1381 
1382     uint8_t pfunc_rel; /* function relative */
1383     uint8_t pfunc_abs; /* function absolute */
1384     uint8_t path_id;   /* function absolute */
1385 #define SC_PATH(sc)     (sc->path_id)
1386 #define SC_PORT(sc)     (sc->pfunc_rel & 1)
1387 #define SC_FUNC(sc)     (sc->pfunc_rel)
1388 #define SC_ABS_FUNC(sc) (sc->pfunc_abs)
1389 #define SC_VN(sc)       (sc->pfunc_rel >> 1)
1390 #define SC_L_ID(sc)     (SC_VN(sc) << 2)
1391 #define PORT_ID(sc)     SC_PORT(sc)
1392 #define PATH_ID(sc)     SC_PATH(sc)
1393 #define VNIC_ID(sc)     SC_VN(sc)
1394 #define FUNC_ID(sc)     SC_FUNC(sc)
1395 #define ABS_FUNC_ID(sc) SC_ABS_FUNC(sc)
1396 #define SC_FW_MB_IDX_VN(sc, vn)                                \
1397     (SC_PORT(sc) + (vn) *                                      \
1398      ((CHIP_IS_E1x(sc) || (CHIP_IS_MODE_4_PORT(sc))) ? 2 : 1))
1399 #define SC_FW_MB_IDX(sc) SC_FW_MB_IDX_VN(sc, SC_VN(sc))
1400 
1401     int if_capen; /* enabled interface capabilities */
1402 
1403     struct bxe_devinfo devinfo;
1404     char fw_ver_str[32];
1405     char mf_mode_str[32];
1406     char pci_link_str[32];
1407 
1408     const struct iro *iro_array;
1409 
1410 #ifdef BXE_CORE_LOCK_SX
1411     struct sx      core_sx;
1412     char           core_sx_name[32];
1413 #else
1414     struct mtx     core_mtx;
1415     char           core_mtx_name[32];
1416 #endif
1417     struct mtx     sp_mtx;
1418     char           sp_mtx_name[32];
1419     struct mtx     dmae_mtx;
1420     char           dmae_mtx_name[32];
1421     struct mtx     fwmb_mtx;
1422     char           fwmb_mtx_name[32];
1423     struct mtx     print_mtx;
1424     char           print_mtx_name[32];
1425     struct mtx     stats_mtx;
1426     char           stats_mtx_name[32];
1427     struct mtx     mcast_mtx;
1428     char           mcast_mtx_name[32];
1429 
1430 #ifdef BXE_CORE_LOCK_SX
1431 #define BXE_CORE_TRYLOCK(sc)      sx_try_xlock(&sc->core_sx)
1432 #define BXE_CORE_LOCK(sc)         sx_xlock(&sc->core_sx)
1433 #define BXE_CORE_UNLOCK(sc)       sx_xunlock(&sc->core_sx)
1434 #define BXE_CORE_LOCK_ASSERT(sc)  sx_assert(&sc->core_sx, SA_XLOCKED)
1435 #else
1436 #define BXE_CORE_TRYLOCK(sc)      mtx_trylock(&sc->core_mtx)
1437 #define BXE_CORE_LOCK(sc)         mtx_lock(&sc->core_mtx)
1438 #define BXE_CORE_UNLOCK(sc)       mtx_unlock(&sc->core_mtx)
1439 #define BXE_CORE_LOCK_ASSERT(sc)  mtx_assert(&sc->core_mtx, MA_OWNED)
1440 #endif
1441 
1442 #define BXE_SP_LOCK(sc)           mtx_lock(&sc->sp_mtx)
1443 #define BXE_SP_UNLOCK(sc)         mtx_unlock(&sc->sp_mtx)
1444 #define BXE_SP_LOCK_ASSERT(sc)    mtx_assert(&sc->sp_mtx, MA_OWNED)
1445 
1446 #define BXE_DMAE_LOCK(sc)         mtx_lock(&sc->dmae_mtx)
1447 #define BXE_DMAE_UNLOCK(sc)       mtx_unlock(&sc->dmae_mtx)
1448 #define BXE_DMAE_LOCK_ASSERT(sc)  mtx_assert(&sc->dmae_mtx, MA_OWNED)
1449 
1450 #define BXE_FWMB_LOCK(sc)         mtx_lock(&sc->fwmb_mtx)
1451 #define BXE_FWMB_UNLOCK(sc)       mtx_unlock(&sc->fwmb_mtx)
1452 #define BXE_FWMB_LOCK_ASSERT(sc)  mtx_assert(&sc->fwmb_mtx, MA_OWNED)
1453 
1454 #define BXE_PRINT_LOCK(sc)        mtx_lock(&sc->print_mtx)
1455 #define BXE_PRINT_UNLOCK(sc)      mtx_unlock(&sc->print_mtx)
1456 #define BXE_PRINT_LOCK_ASSERT(sc) mtx_assert(&sc->print_mtx, MA_OWNED)
1457 
1458 #define BXE_STATS_LOCK(sc)        mtx_lock(&sc->stats_mtx)
1459 #define BXE_STATS_UNLOCK(sc)      mtx_unlock(&sc->stats_mtx)
1460 #define BXE_STATS_LOCK_ASSERT(sc) mtx_assert(&sc->stats_mtx, MA_OWNED)
1461 
1462 #define BXE_MCAST_LOCK(sc)	mtx_lock(&sc->mcast_mtx);
1463 #define BXE_MCAST_UNLOCK(sc)	mtx_unlock(&sc->mcast_mtx);
1464 #define BXE_MCAST_LOCK_ASSERT(sc) mtx_assert(&sc->mcast_mtx, MA_OWNED)
1465 
1466     int dmae_ready;
1467 #define DMAE_READY(sc) (sc->dmae_ready)
1468 
1469     struct ecore_credit_pool_obj vlans_pool;
1470     struct ecore_credit_pool_obj macs_pool;
1471     struct ecore_rx_mode_obj     rx_mode_obj;
1472     struct ecore_mcast_obj       mcast_obj;
1473     struct ecore_rss_config_obj  rss_conf_obj;
1474     struct ecore_func_sp_obj     func_obj;
1475 
1476     uint16_t fw_seq;
1477     uint16_t fw_drv_pulse_wr_seq;
1478     uint32_t func_stx;
1479 
1480     struct elink_params         link_params;
1481     struct elink_vars           link_vars;
1482     uint32_t                    link_cnt;
1483     struct bxe_link_report_data last_reported_link;
1484     char mac_addr_str[32];
1485 
1486     int last_reported_link_state;
1487 
1488     int tx_ring_size;
1489     int rx_ring_size;
1490     int wol;
1491 
1492     int is_leader;
1493     int recovery_state;
1494 #define BXE_RECOVERY_DONE        1
1495 #define BXE_RECOVERY_INIT        2
1496 #define BXE_RECOVERY_WAIT        3
1497 #define BXE_RECOVERY_FAILED      4
1498 #define BXE_RECOVERY_NIC_LOADING 5
1499 
1500 #define BXE_ERR_TXQ_STUCK       0x1  /* Tx queue stuck detected by driver. */
1501 #define BXE_ERR_MISC            0x2  /* MISC ERR */
1502 #define BXE_ERR_PARITY          0x4  /* Parity error detected. */
1503 #define BXE_ERR_STATS_TO        0x8  /* Statistics timeout detected. */
1504 #define BXE_ERR_MC_ASSERT       0x10 /* MC assert attention received. */
1505 #define BXE_ERR_PANIC           0x20 /* Driver asserted. */
1506 #define BXE_ERR_MCP_ASSERT      0x40 /* MCP assert attention received. No Recovery*/
1507 #define BXE_ERR_GLOBAL          0x80 /* PCIe/PXP/IGU/MISC/NIG device blocks error- needs PCIe/Fundamental reset */
1508         uint32_t error_status;
1509 
1510     uint32_t rx_mode;
1511 #define BXE_RX_MODE_NONE     0
1512 #define BXE_RX_MODE_NORMAL   1
1513 #define BXE_RX_MODE_ALLMULTI 2
1514 #define BXE_RX_MODE_PROMISC  3
1515 #define BXE_MAX_MULTICAST    64
1516 
1517     struct bxe_port port;
1518 
1519     struct cmng_init cmng;
1520 
1521     /* user configs */
1522     int      num_queues;
1523     int      max_rx_bufs;
1524     int      hc_rx_ticks;
1525     int      hc_tx_ticks;
1526     int      rx_budget;
1527     int      max_aggregation_size;
1528     int      mrrs;
1529     int      autogreeen;
1530 #define AUTO_GREEN_HW_DEFAULT 0
1531 #define AUTO_GREEN_FORCE_ON   1
1532 #define AUTO_GREEN_FORCE_OFF  2
1533     int      interrupt_mode;
1534 #define INTR_MODE_INTX 0
1535 #define INTR_MODE_MSI  1
1536 #define INTR_MODE_MSIX 2
1537     int      udp_rss;
1538 
1539     /* interrupt allocations */
1540     struct bxe_intr intr[MAX_RSS_CHAINS+1];
1541     int             intr_count;
1542     uint8_t         igu_dsb_id;
1543     uint8_t         igu_base_sb;
1544     uint8_t         igu_sb_cnt;
1545     //uint8_t         min_msix_vec_cnt;
1546     uint32_t        igu_base_addr;
1547     //bus_addr_t      def_status_blk_mapping;
1548     uint8_t         base_fw_ndsb;
1549 #define DEF_SB_IGU_ID 16
1550 #define DEF_SB_ID     HC_SP_SB_ID
1551 
1552     /* parent bus DMA tag  */
1553     bus_dma_tag_t parent_dma_tag;
1554 
1555     /* default status block */
1556     struct bxe_dma              def_sb_dma;
1557     struct host_sp_status_block *def_sb;
1558     uint16_t                    def_idx;
1559     uint16_t                    def_att_idx;
1560     uint32_t                    attn_state;
1561     struct attn_route           attn_group[MAX_DYNAMIC_ATTN_GRPS];
1562 
1563 /* general SP events - stats query, cfc delete, etc */
1564 #define HC_SP_INDEX_ETH_DEF_CONS         3
1565 /* EQ completions */
1566 #define HC_SP_INDEX_EQ_CONS              7
1567 /* FCoE L2 connection completions */
1568 #define HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS  6
1569 #define HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS  4
1570 /* iSCSI L2 */
1571 #define HC_SP_INDEX_ETH_ISCSI_CQ_CONS    5
1572 #define HC_SP_INDEX_ETH_ISCSI_RX_CQ_CONS 1
1573 
1574     /* event queue */
1575     struct bxe_dma        eq_dma;
1576     union event_ring_elem *eq;
1577     uint16_t              eq_prod;
1578     uint16_t              eq_cons;
1579     uint16_t              *eq_cons_sb;
1580 #define NUM_EQ_PAGES     1 /* must be a power of 2 */
1581 #define EQ_DESC_CNT_PAGE (BCM_PAGE_SIZE / sizeof(union event_ring_elem))
1582 #define EQ_DESC_MAX_PAGE (EQ_DESC_CNT_PAGE - 1)
1583 #define NUM_EQ_DESC      (EQ_DESC_CNT_PAGE * NUM_EQ_PAGES)
1584 #define EQ_DESC_MASK     (NUM_EQ_DESC - 1)
1585 #define MAX_EQ_AVAIL     (EQ_DESC_MAX_PAGE * NUM_EQ_PAGES - 2)
1586 /* depends on EQ_DESC_CNT_PAGE being a power of 2 */
1587 #define NEXT_EQ_IDX(x)                                      \
1588     ((((x) & EQ_DESC_MAX_PAGE) == (EQ_DESC_MAX_PAGE - 1)) ? \
1589          ((x) + 2) : ((x) + 1))
1590 /* depends on the above and on NUM_EQ_PAGES being a power of 2 */
1591 #define EQ_DESC(x) ((x) & EQ_DESC_MASK)
1592 
1593     /* slow path */
1594     struct bxe_dma      sp_dma;
1595     struct bxe_slowpath *sp;
1596     unsigned long       sp_state;
1597 
1598     /* slow path queue */
1599     struct bxe_dma spq_dma;
1600     struct eth_spe *spq;
1601 #define SP_DESC_CNT     (BCM_PAGE_SIZE / sizeof(struct eth_spe))
1602 #define MAX_SP_DESC_CNT (SP_DESC_CNT - 1)
1603 #define MAX_SPQ_PENDING 8
1604 
1605     uint16_t       spq_prod_idx;
1606     struct eth_spe *spq_prod_bd;
1607     struct eth_spe *spq_last_bd;
1608     uint16_t       *dsb_sp_prod;
1609     //uint16_t       *spq_hw_con;
1610     //uint16_t       spq_left;
1611 
1612     volatile unsigned long eq_spq_left; /* COMMON_xxx ramrod credit */
1613     volatile unsigned long cq_spq_left; /* ETH_xxx ramrod credit */
1614 
1615     /* fw decompression buffer */
1616     struct bxe_dma gz_buf_dma;
1617     void           *gz_buf;
1618     z_streamp      gz_strm;
1619     uint32_t       gz_outlen;
1620 #define GUNZIP_BUF(sc)    (sc->gz_buf)
1621 #define GUNZIP_OUTLEN(sc) (sc->gz_outlen)
1622 #define GUNZIP_PHYS(sc)   (sc->gz_buf_dma.paddr)
1623 #define FW_BUF_SIZE       0x40000
1624 
1625     const struct raw_op *init_ops;
1626     const uint16_t *init_ops_offsets; /* init block offsets inside init_ops */
1627     const uint32_t *init_data;        /* data blob, 32 bit granularity */
1628     uint32_t       init_mode_flags;
1629 #define INIT_MODE_FLAGS(sc) (sc->init_mode_flags)
1630     /* PRAM blobs - raw data */
1631     const uint8_t *tsem_int_table_data;
1632     const uint8_t *tsem_pram_data;
1633     const uint8_t *usem_int_table_data;
1634     const uint8_t *usem_pram_data;
1635     const uint8_t *xsem_int_table_data;
1636     const uint8_t *xsem_pram_data;
1637     const uint8_t *csem_int_table_data;
1638     const uint8_t *csem_pram_data;
1639 #define INIT_OPS(sc)                 (sc->init_ops)
1640 #define INIT_OPS_OFFSETS(sc)         (sc->init_ops_offsets)
1641 #define INIT_DATA(sc)                (sc->init_data)
1642 #define INIT_TSEM_INT_TABLE_DATA(sc) (sc->tsem_int_table_data)
1643 #define INIT_TSEM_PRAM_DATA(sc)      (sc->tsem_pram_data)
1644 #define INIT_USEM_INT_TABLE_DATA(sc) (sc->usem_int_table_data)
1645 #define INIT_USEM_PRAM_DATA(sc)      (sc->usem_pram_data)
1646 #define INIT_XSEM_INT_TABLE_DATA(sc) (sc->xsem_int_table_data)
1647 #define INIT_XSEM_PRAM_DATA(sc)      (sc->xsem_pram_data)
1648 #define INIT_CSEM_INT_TABLE_DATA(sc) (sc->csem_int_table_data)
1649 #define INIT_CSEM_PRAM_DATA(sc)      (sc->csem_pram_data)
1650 
1651     /* ILT
1652      * For max 196 cids (64*3 + non-eth), 32KB ILT page size and 1KB
1653      * context size we need 8 ILT entries.
1654      */
1655 #define ILT_MAX_L2_LINES 8
1656     struct hw_context context[ILT_MAX_L2_LINES];
1657     struct ecore_ilt *ilt;
1658 #define ILT_MAX_LINES 256
1659 
1660 /* max supported number of RSS queues: IGU SBs minus one for CNIC */
1661 #define BXE_MAX_RSS_COUNT(sc) ((sc)->igu_sb_cnt - CNIC_SUPPORT(sc))
1662 /* max CID count: Max RSS * Max_Tx_Multi_Cos + FCoE + iSCSI */
1663 #if 1
1664 #define BXE_L2_MAX_CID(sc)                                              \
1665     (BXE_MAX_RSS_COUNT(sc) * ECORE_MULTI_TX_COS + 2 * CNIC_SUPPORT(sc))
1666 #else
1667 #define BXE_L2_MAX_CID(sc) /* OOO + FWD */                              \
1668     (BXE_MAX_RSS_COUNT(sc) * ECORE_MULTI_TX_COS + 4 * CNIC_SUPPORT(sc))
1669 #endif
1670 #if 1
1671 #define BXE_L2_CID_COUNT(sc)                                             \
1672     (BXE_NUM_ETH_QUEUES(sc) * ECORE_MULTI_TX_COS + 2 * CNIC_SUPPORT(sc))
1673 #else
1674 #define BXE_L2_CID_COUNT(sc) /* OOO + FWD */                             \
1675     (BXE_NUM_ETH_QUEUES(sc) * ECORE_MULTI_TX_COS + 4 * CNIC_SUPPORT(sc))
1676 #endif
1677 #define L2_ILT_LINES(sc)                                \
1678     (DIV_ROUND_UP(BXE_L2_CID_COUNT(sc), ILT_PAGE_CIDS))
1679 
1680     int qm_cid_count;
1681 
1682     uint8_t dropless_fc;
1683 
1684     /* total number of FW statistics requests */
1685     uint8_t fw_stats_num;
1686     /*
1687      * This is a memory buffer that will contain both statistics ramrod
1688      * request and data.
1689      */
1690     struct bxe_dma fw_stats_dma;
1691     /*
1692      * FW statistics request shortcut (points at the beginning of fw_stats
1693      * buffer).
1694      */
1695     int                     fw_stats_req_size;
1696     struct bxe_fw_stats_req *fw_stats_req;
1697     bus_addr_t              fw_stats_req_mapping;
1698     /*
1699      * FW statistics data shortcut (points at the beginning of fw_stats
1700      * buffer + fw_stats_req_size).
1701      */
1702     int                      fw_stats_data_size;
1703     struct bxe_fw_stats_data *fw_stats_data;
1704     bus_addr_t               fw_stats_data_mapping;
1705 
1706     /* tracking a pending STAT_QUERY ramrod */
1707     uint16_t stats_pending;
1708     /* number of completed statistics ramrods */
1709     uint16_t stats_comp;
1710     uint16_t stats_counter;
1711     uint8_t  stats_init;
1712     int      stats_state;
1713 
1714     struct bxe_eth_stats         eth_stats;
1715     struct host_func_stats       func_stats;
1716     struct bxe_eth_stats_old     eth_stats_old;
1717     struct bxe_net_stats_old     net_stats_old;
1718     struct bxe_fw_port_stats_old fw_stats_old;
1719 
1720     struct dmae_cmd stats_dmae; /* used by dmae command loader */
1721     int                 executer_idx;
1722 
1723     int mtu;
1724 
1725     /* LLDP params */
1726     struct bxe_config_lldp_params lldp_config_params;
1727     /* DCB support on/off */
1728     int dcb_state;
1729 #define BXE_DCB_STATE_OFF 0
1730 #define BXE_DCB_STATE_ON  1
1731     /* DCBX engine mode */
1732     int dcbx_enabled;
1733 #define BXE_DCBX_ENABLED_OFF        0
1734 #define BXE_DCBX_ENABLED_ON_NEG_OFF 1
1735 #define BXE_DCBX_ENABLED_ON_NEG_ON  2
1736 #define BXE_DCBX_ENABLED_INVALID    -1
1737     uint8_t dcbx_mode_uset;
1738     struct bxe_config_dcbx_params dcbx_config_params;
1739     struct bxe_dcbx_port_params   dcbx_port_params;
1740     int dcb_version;
1741 
1742     uint8_t cnic_support;
1743     uint8_t cnic_enabled;
1744     uint8_t cnic_loaded;
1745 #define CNIC_SUPPORT(sc) 0 /* ((sc)->cnic_support) */
1746 #define CNIC_ENABLED(sc) 0 /* ((sc)->cnic_enabled) */
1747 #define CNIC_LOADED(sc)  0 /* ((sc)->cnic_loaded) */
1748 
1749     /* multiple tx classes of service */
1750     uint8_t max_cos;
1751 #define BXE_MAX_PRIORITY 8
1752     /* priority to cos mapping */
1753     uint8_t prio_to_cos[BXE_MAX_PRIORITY];
1754 
1755     int panic;
1756 
1757     struct cdev *ioctl_dev;
1758 
1759     void *grc_dump;
1760     unsigned int trigger_grcdump;
1761     unsigned int  grcdump_done;
1762     unsigned int grcdump_started;
1763     int bxe_pause_param;
1764     void *eeprom;
1765 }; /* struct bxe_softc */
1766 
1767 /* IOCTL sub-commands for edebug and firmware upgrade */
1768 #define BXE_IOC_RD_NVRAM        1
1769 #define BXE_IOC_WR_NVRAM        2
1770 #define BXE_IOC_STATS_SHOW_NUM  3
1771 #define BXE_IOC_STATS_SHOW_STR  4
1772 #define BXE_IOC_STATS_SHOW_CNT  5
1773 
1774 struct bxe_nvram_data {
1775     uint32_t op; /* ioctl sub-command */
1776     uint32_t offset;
1777     uint32_t len;
1778     uint32_t value[1]; /* variable */
1779 };
1780 
1781 union bxe_stats_show_data {
1782     uint32_t op; /* ioctl sub-command */
1783 
1784     struct {
1785         uint32_t num; /* return number of stats */
1786         uint32_t len; /* length of each string item */
1787     } desc;
1788 
1789     /* variable length... */
1790     char str[1]; /* holds names of desc.num stats, each desc.len in length */
1791 
1792     /* variable length... */
1793     uint64_t stats[1]; /* holds all stats */
1794 };
1795 
1796 /* function init flags */
1797 #define FUNC_FLG_RSS     0x0001
1798 #define FUNC_FLG_STATS   0x0002
1799 /* FUNC_FLG_UNMATCHED       0x0004 */
1800 #define FUNC_FLG_TPA     0x0008
1801 #define FUNC_FLG_SPQ     0x0010
1802 #define FUNC_FLG_LEADING 0x0020 /* PF only */
1803 
1804 struct bxe_func_init_params {
1805     bus_addr_t fw_stat_map; /* (dma) valid if FUNC_FLG_STATS */
1806     bus_addr_t spq_map;     /* (dma) valid if FUNC_FLG_SPQ */
1807     uint16_t   func_flgs;
1808     uint16_t   func_id;     /* abs function id */
1809     uint16_t   pf_id;
1810     uint16_t   spq_prod;    /* valid if FUNC_FLG_SPQ */
1811 };
1812 
1813 /* memory resources reside at BARs 0, 2, 4 */
1814 /* Run `pciconf -lb` to see mappings */
1815 #define BAR0 0
1816 #define BAR1 2
1817 #define BAR2 4
1818 
1819 #ifdef BXE_REG_NO_INLINE
1820 
1821 uint8_t bxe_reg_read8(struct bxe_softc *sc, bus_size_t offset);
1822 uint16_t bxe_reg_read16(struct bxe_softc *sc, bus_size_t offset);
1823 uint32_t bxe_reg_read32(struct bxe_softc *sc, bus_size_t offset);
1824 
1825 void bxe_reg_write8(struct bxe_softc *sc, bus_size_t offset, uint8_t val);
1826 void bxe_reg_write16(struct bxe_softc *sc, bus_size_t offset, uint16_t val);
1827 void bxe_reg_write32(struct bxe_softc *sc, bus_size_t offset, uint32_t val);
1828 
1829 #define REG_RD8(sc, offset)  bxe_reg_read8(sc, offset)
1830 #define REG_RD16(sc, offset) bxe_reg_read16(sc, offset)
1831 #define REG_RD32(sc, offset) bxe_reg_read32(sc, offset)
1832 
1833 #define REG_WR8(sc, offset, val)  bxe_reg_write8(sc, offset, val)
1834 #define REG_WR16(sc, offset, val) bxe_reg_write16(sc, offset, val)
1835 #define REG_WR32(sc, offset, val) bxe_reg_write32(sc, offset, val)
1836 
1837 #else /* not BXE_REG_NO_INLINE */
1838 
1839 #define REG_WR8(sc, offset, val)            \
1840     bus_space_write_1(sc->bar[BAR0].tag,    \
1841                       sc->bar[BAR0].handle, \
1842                       offset, val)
1843 
1844 #define REG_WR16(sc, offset, val)           \
1845     bus_space_write_2(sc->bar[BAR0].tag,    \
1846                       sc->bar[BAR0].handle, \
1847                       offset, val)
1848 
1849 #define REG_WR32(sc, offset, val)           \
1850     bus_space_write_4(sc->bar[BAR0].tag,    \
1851                       sc->bar[BAR0].handle, \
1852                       offset, val)
1853 
1854 #define REG_RD8(sc, offset)                \
1855     bus_space_read_1(sc->bar[BAR0].tag,    \
1856                      sc->bar[BAR0].handle, \
1857                      offset)
1858 
1859 #define REG_RD16(sc, offset)               \
1860     bus_space_read_2(sc->bar[BAR0].tag,    \
1861                      sc->bar[BAR0].handle, \
1862                      offset)
1863 
1864 #define REG_RD32(sc, offset)               \
1865     bus_space_read_4(sc->bar[BAR0].tag,    \
1866                      sc->bar[BAR0].handle, \
1867                      offset)
1868 
1869 #endif /* BXE_REG_NO_INLINE */
1870 
1871 #define REG_RD(sc, offset)      REG_RD32(sc, offset)
1872 #define REG_WR(sc, offset, val) REG_WR32(sc, offset, val)
1873 
1874 #define REG_RD_IND(sc, offset)      bxe_reg_rd_ind(sc, offset)
1875 #define REG_WR_IND(sc, offset, val) bxe_reg_wr_ind(sc, offset, val)
1876 
1877 #define BXE_SP(sc, var) (&(sc)->sp->var)
1878 #define BXE_SP_MAPPING(sc, var) \
1879     (sc->sp_dma.paddr + offsetof(struct bxe_slowpath, var))
1880 
1881 #define BXE_FP(sc, nr, var) ((sc)->fp[(nr)].var)
1882 #define BXE_SP_OBJ(sc, fp) ((sc)->sp_objs[(fp)->index])
1883 
1884 #define REG_RD_DMAE(sc, offset, valp, len32)               \
1885     do {                                                   \
1886         bxe_read_dmae(sc, offset, len32);                  \
1887         memcpy(valp, BXE_SP(sc, wb_data[0]), (len32) * 4); \
1888     } while (0)
1889 
1890 #define REG_WR_DMAE(sc, offset, valp, len32)                            \
1891     do {                                                                \
1892         memcpy(BXE_SP(sc, wb_data[0]), valp, (len32) * 4);              \
1893         bxe_write_dmae(sc, BXE_SP_MAPPING(sc, wb_data), offset, len32); \
1894     } while (0)
1895 
1896 #define REG_WR_DMAE_LEN(sc, offset, valp, len32) \
1897     REG_WR_DMAE(sc, offset, valp, len32)
1898 
1899 #define REG_RD_DMAE_LEN(sc, offset, valp, len32) \
1900     REG_RD_DMAE(sc, offset, valp, len32)
1901 
1902 #define VIRT_WR_DMAE_LEN(sc, data, addr, len32, le32_swap)         \
1903     do {                                                           \
1904         /* if (le32_swap) {                                     */ \
1905         /*    BLOGW(sc, "VIRT_WR_DMAE_LEN with le32_swap=1\n"); */ \
1906         /* }                                                    */ \
1907         memcpy(GUNZIP_BUF(sc), data, len32 * 4);                   \
1908         ecore_write_big_buf_wb(sc, addr, len32);                   \
1909     } while (0)
1910 
1911 #define BXE_DB_MIN_SHIFT 3   /* 8 bytes */
1912 #define BXE_DB_SHIFT     7   /* 128 bytes */
1913 #if (BXE_DB_SHIFT < BXE_DB_MIN_SHIFT)
1914 #error "Minimum DB doorbell stride is 8"
1915 #endif
1916 #define DPM_TRIGGER_TYPE 0x40
1917 #define DOORBELL(sc, cid, val)                                              \
1918     do {                                                                    \
1919         bus_space_write_4(sc->bar[BAR1].tag, sc->bar[BAR1].handle,          \
1920                           ((sc->doorbell_size * (cid)) + DPM_TRIGGER_TYPE), \
1921                           (uint32_t)val);                                   \
1922     } while(0)
1923 
1924 #define SHMEM_ADDR(sc, field)                                       \
1925     (sc->devinfo.shmem_base + offsetof(struct shmem_region, field))
1926 #define SHMEM_RD(sc, field)      REG_RD(sc, SHMEM_ADDR(sc, field))
1927 #define SHMEM_RD16(sc, field)    REG_RD16(sc, SHMEM_ADDR(sc, field))
1928 #define SHMEM_WR(sc, field, val) REG_WR(sc, SHMEM_ADDR(sc, field), val)
1929 
1930 #define SHMEM2_ADDR(sc, field)                                        \
1931     (sc->devinfo.shmem2_base + offsetof(struct shmem2_region, field))
1932 #define SHMEM2_HAS(sc, field)                                            \
1933     (sc->devinfo.shmem2_base && (REG_RD(sc, SHMEM2_ADDR(sc, size)) >     \
1934                                  offsetof(struct shmem2_region, field)))
1935 #define SHMEM2_RD(sc, field)      REG_RD(sc, SHMEM2_ADDR(sc, field))
1936 #define SHMEM2_WR(sc, field, val) REG_WR(sc, SHMEM2_ADDR(sc, field), val)
1937 
1938 #define MFCFG_ADDR(sc, field)                                  \
1939     (sc->devinfo.mf_cfg_base + offsetof(struct mf_cfg, field))
1940 #define MFCFG_RD(sc, field)      REG_RD(sc, MFCFG_ADDR(sc, field))
1941 #define MFCFG_RD16(sc, field)    REG_RD16(sc, MFCFG_ADDR(sc, field))
1942 #define MFCFG_WR(sc, field, val) REG_WR(sc, MFCFG_ADDR(sc, field), val)
1943 
1944 /* DMAE command defines */
1945 
1946 #define DMAE_TIMEOUT      -1
1947 #define DMAE_PCI_ERROR    -2 /* E2 and onward */
1948 #define DMAE_NOT_RDY      -3
1949 #define DMAE_PCI_ERR_FLAG 0x80000000
1950 
1951 #define DMAE_SRC_PCI      0
1952 #define DMAE_SRC_GRC      1
1953 
1954 #define DMAE_DST_NONE     0
1955 #define DMAE_DST_PCI      1
1956 #define DMAE_DST_GRC      2
1957 
1958 #define DMAE_COMP_PCI     0
1959 #define DMAE_COMP_GRC     1
1960 
1961 #define DMAE_COMP_REGULAR 0
1962 #define DMAE_COM_SET_ERR  1
1963 
1964 #define DMAE_CMD_SRC_PCI (DMAE_SRC_PCI << DMAE_CMD_SRC_SHIFT)
1965 #define DMAE_CMD_SRC_GRC (DMAE_SRC_GRC << DMAE_CMD_SRC_SHIFT)
1966 #define DMAE_CMD_DST_PCI (DMAE_DST_PCI << DMAE_CMD_DST_SHIFT)
1967 #define DMAE_CMD_DST_GRC (DMAE_DST_GRC << DMAE_CMD_DST_SHIFT)
1968 
1969 #define DMAE_CMD_C_DST_PCI (DMAE_COMP_PCI << DMAE_CMD_C_DST_SHIFT)
1970 #define DMAE_CMD_C_DST_GRC (DMAE_COMP_GRC << DMAE_CMD_C_DST_SHIFT)
1971 
1972 #define DMAE_CMD_ENDIANITY_NO_SWAP   (0 << DMAE_CMD_ENDIANITY_SHIFT)
1973 #define DMAE_CMD_ENDIANITY_B_SWAP    (1 << DMAE_CMD_ENDIANITY_SHIFT)
1974 #define DMAE_CMD_ENDIANITY_DW_SWAP   (2 << DMAE_CMD_ENDIANITY_SHIFT)
1975 #define DMAE_CMD_ENDIANITY_B_DW_SWAP (3 << DMAE_CMD_ENDIANITY_SHIFT)
1976 
1977 #define DMAE_CMD_PORT_0 0
1978 #define DMAE_CMD_PORT_1 DMAE_CMD_PORT
1979 
1980 #define DMAE_SRC_PF 0
1981 #define DMAE_SRC_VF 1
1982 
1983 #define DMAE_DST_PF 0
1984 #define DMAE_DST_VF 1
1985 
1986 #define DMAE_C_SRC 0
1987 #define DMAE_C_DST 1
1988 
1989 #define DMAE_LEN32_RD_MAX     0x80
1990 #define DMAE_LEN32_WR_MAX(sc) (CHIP_IS_E1(sc) ? 0x400 : 0x2000)
1991 
1992 #define DMAE_COMP_VAL 0x60d0d0ae /* E2 and beyond, upper bit indicates error */
1993 
1994 #define MAX_DMAE_C_PER_PORT 8
1995 #define INIT_DMAE_C(sc)     ((SC_PORT(sc) * MAX_DMAE_C_PER_PORT) + SC_VN(sc))
1996 #define PMF_DMAE_C(sc)      ((SC_PORT(sc) * MAX_DMAE_C_PER_PORT) + E1HVN_MAX)
1997 
1998 static const uint32_t dmae_reg_go_c[] = {
1999     DMAE_REG_GO_C0,  DMAE_REG_GO_C1,  DMAE_REG_GO_C2,  DMAE_REG_GO_C3,
2000     DMAE_REG_GO_C4,  DMAE_REG_GO_C5,  DMAE_REG_GO_C6,  DMAE_REG_GO_C7,
2001     DMAE_REG_GO_C8,  DMAE_REG_GO_C9,  DMAE_REG_GO_C10, DMAE_REG_GO_C11,
2002     DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15
2003 };
2004 
2005 #define ATTN_NIG_FOR_FUNC     (1L << 8)
2006 #define ATTN_SW_TIMER_4_FUNC  (1L << 9)
2007 #define GPIO_2_FUNC           (1L << 10)
2008 #define GPIO_3_FUNC           (1L << 11)
2009 #define GPIO_4_FUNC           (1L << 12)
2010 #define ATTN_GENERAL_ATTN_1   (1L << 13)
2011 #define ATTN_GENERAL_ATTN_2   (1L << 14)
2012 #define ATTN_GENERAL_ATTN_3   (1L << 15)
2013 #define ATTN_GENERAL_ATTN_4   (1L << 13)
2014 #define ATTN_GENERAL_ATTN_5   (1L << 14)
2015 #define ATTN_GENERAL_ATTN_6   (1L << 15)
2016 #define ATTN_HARD_WIRED_MASK  0xff00
2017 #define ATTENTION_ID          4
2018 
2019 #define AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR \
2020     AEU_INPUTS_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR
2021 
2022 #define MAX_IGU_ATTN_ACK_TO 100
2023 
2024 #define STORM_ASSERT_ARRAY_SIZE 50
2025 
2026 #define BXE_PMF_LINK_ASSERT(sc) \
2027     GENERAL_ATTEN_OFFSET(LINK_SYNC_ATTENTION_BIT_FUNC_0 + SC_FUNC(sc))
2028 
2029 #define BXE_MC_ASSERT_BITS \
2030     (GENERAL_ATTEN_OFFSET(TSTORM_FATAL_ASSERT_ATTENTION_BIT) | \
2031      GENERAL_ATTEN_OFFSET(USTORM_FATAL_ASSERT_ATTENTION_BIT) | \
2032      GENERAL_ATTEN_OFFSET(CSTORM_FATAL_ASSERT_ATTENTION_BIT) | \
2033      GENERAL_ATTEN_OFFSET(XSTORM_FATAL_ASSERT_ATTENTION_BIT))
2034 
2035 #define BXE_MCP_ASSERT \
2036     GENERAL_ATTEN_OFFSET(MCP_FATAL_ASSERT_ATTENTION_BIT)
2037 
2038 #define BXE_GRC_TIMEOUT GENERAL_ATTEN_OFFSET(LATCHED_ATTN_TIMEOUT_GRC)
2039 #define BXE_GRC_RSV     (GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RBCR) | \
2040                          GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RBCT) | \
2041                          GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RBCN) | \
2042                          GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RBCU) | \
2043                          GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RBCP) | \
2044                          GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RSVD_GRC))
2045 
2046 #define MULTI_MASK 0x7f
2047 
2048 #define PFS_PER_PORT(sc)                               \
2049     ((CHIP_PORT_MODE(sc) == CHIP_4_PORT_MODE) ? 2 : 4)
2050 #define SC_MAX_VN_NUM(sc) PFS_PER_PORT(sc)
2051 
2052 #define FIRST_ABS_FUNC_IN_PORT(sc)                    \
2053     ((CHIP_PORT_MODE(sc) == CHIP_PORT_MODE_NONE) ?    \
2054      PORT_ID(sc) : (PATH_ID(sc) + (2 * PORT_ID(sc))))
2055 
2056 #define FOREACH_ABS_FUNC_IN_PORT(sc, i)            \
2057     for ((i) = FIRST_ABS_FUNC_IN_PORT(sc);         \
2058          (i) < MAX_FUNC_NUM;                       \
2059          (i) += (MAX_FUNC_NUM / PFS_PER_PORT(sc)))
2060 
2061 #define BXE_SWCID_SHIFT 17
2062 #define BXE_SWCID_MASK  ((0x1 << BXE_SWCID_SHIFT) - 1)
2063 
2064 #define SW_CID(x)  (le32toh(x) & BXE_SWCID_MASK)
2065 #define CQE_CMD(x) (le32toh(x) >> COMMON_RAMROD_ETH_RX_CQE_CMD_ID_SHIFT)
2066 
2067 #define CQE_TYPE(cqe_fp_flags)   ((cqe_fp_flags) & ETH_FAST_PATH_RX_CQE_TYPE)
2068 #define CQE_TYPE_START(cqe_type) ((cqe_type) == RX_ETH_CQE_TYPE_ETH_START_AGG)
2069 #define CQE_TYPE_STOP(cqe_type)  ((cqe_type) == RX_ETH_CQE_TYPE_ETH_STOP_AGG)
2070 #define CQE_TYPE_SLOW(cqe_type)  ((cqe_type) == RX_ETH_CQE_TYPE_ETH_RAMROD)
2071 #define CQE_TYPE_FAST(cqe_type)  ((cqe_type) == RX_ETH_CQE_TYPE_ETH_FASTPATH)
2072 
2073 /* must be used on a CID before placing it on a HW ring */
2074 #define HW_CID(sc, x) \
2075     ((SC_PORT(sc) << 23) | (SC_VN(sc) << BXE_SWCID_SHIFT) | (x))
2076 
2077 #define SPEED_10    10
2078 #define SPEED_100   100
2079 #define SPEED_1000  1000
2080 #define SPEED_2500  2500
2081 #define SPEED_10000 10000
2082 
2083 #define PCI_PM_D0    1
2084 #define PCI_PM_D3hot 2
2085 
2086 #ifndef DUPLEX_UNKNOWN
2087 #define DUPLEX_UNKNOWN (0xff)
2088 #endif
2089 
2090 #ifndef SPEED_UNKNOWN
2091 #define SPEED_UNKNOWN (-1)
2092 #endif
2093 
2094 /* Enable or disable autonegotiation. */
2095 #define AUTONEG_DISABLE         0x00
2096 #define AUTONEG_ENABLE          0x01
2097 
2098 /* Which connector port. */
2099 #define PORT_TP                 0x00
2100 #define PORT_AUI                0x01
2101 #define PORT_MII                0x02
2102 #define PORT_FIBRE              0x03
2103 #define PORT_BNC                0x04
2104 #define PORT_DA                 0x05
2105 #define PORT_NONE               0xef
2106 #define PORT_OTHER              0xff
2107 
2108 int  bxe_test_bit(int nr, volatile unsigned long * addr);
2109 void bxe_set_bit(unsigned int nr, volatile unsigned long * addr);
2110 void bxe_clear_bit(int nr, volatile unsigned long * addr);
2111 int  bxe_test_and_set_bit(int nr, volatile unsigned long * addr);
2112 int  bxe_test_and_clear_bit(int nr, volatile unsigned long * addr);
2113 int  bxe_cmpxchg(volatile int *addr, int old, int new);
2114 
2115 void bxe_reg_wr_ind(struct bxe_softc *sc, uint32_t addr,
2116                     uint32_t val);
2117 uint32_t bxe_reg_rd_ind(struct bxe_softc *sc, uint32_t addr);
2118 
2119 
2120 int bxe_dma_alloc(struct bxe_softc *sc, bus_size_t size,
2121                   struct bxe_dma *dma, const char *msg);
2122 void bxe_dma_free(struct bxe_softc *sc, struct bxe_dma *dma);
2123 
2124 uint32_t bxe_dmae_opcode_add_comp(uint32_t opcode, uint8_t comp_type);
2125 uint32_t bxe_dmae_opcode_clr_src_reset(uint32_t opcode);
2126 uint32_t bxe_dmae_opcode(struct bxe_softc *sc, uint8_t src_type,
2127                          uint8_t dst_type, uint8_t with_comp,
2128                          uint8_t comp_type);
2129 void bxe_post_dmae(struct bxe_softc *sc, struct dmae_cmd *dmae, int idx);
2130 void bxe_read_dmae(struct bxe_softc *sc, uint32_t src_addr, uint32_t len32);
2131 void bxe_write_dmae(struct bxe_softc *sc, bus_addr_t dma_addr,
2132                     uint32_t dst_addr, uint32_t len32);
2133 void bxe_write_dmae_phys_len(struct bxe_softc *sc, bus_addr_t phys_addr,
2134                              uint32_t addr, uint32_t len);
2135 
2136 void bxe_set_ctx_validation(struct bxe_softc *sc, struct eth_context *cxt,
2137                             uint32_t cid);
2138 void bxe_update_coalesce_sb_index(struct bxe_softc *sc, uint8_t fw_sb_id,
2139                                   uint8_t sb_index, uint8_t disable,
2140                                   uint16_t usec);
2141 
2142 int bxe_sp_post(struct bxe_softc *sc, int command, int cid,
2143                 uint32_t data_hi, uint32_t data_lo, int cmd_type);
2144 
2145 void bxe_igu_ack_sb(struct bxe_softc *sc, uint8_t igu_sb_id,
2146                     uint8_t segment, uint16_t index, uint8_t op,
2147                     uint8_t update);
2148 
2149 void ecore_init_e1_firmware(struct bxe_softc *sc);
2150 void ecore_init_e1h_firmware(struct bxe_softc *sc);
2151 void ecore_init_e2_firmware(struct bxe_softc *sc);
2152 
2153 void ecore_storm_memset_struct(struct bxe_softc *sc, uint32_t addr,
2154                                size_t size, uint32_t *data);
2155 
2156 /*********************/
2157 /* LOGGING AND DEBUG */
2158 /*********************/
2159 
2160 /* debug logging codepaths */
2161 #define DBG_LOAD   0x00000001 /* load and unload    */
2162 #define DBG_INTR   0x00000002 /* interrupt handling */
2163 #define DBG_SP     0x00000004 /* slowpath handling  */
2164 #define DBG_STATS  0x00000008 /* stats updates      */
2165 #define DBG_TX     0x00000010 /* packet transmit    */
2166 #define DBG_RX     0x00000020 /* packet receive     */
2167 #define DBG_PHY    0x00000040 /* phy/link handling  */
2168 #define DBG_IOCTL  0x00000080 /* ioctl handling     */
2169 #define DBG_MBUF   0x00000100 /* dumping mbuf info  */
2170 #define DBG_REGS   0x00000200 /* register access    */
2171 #define DBG_LRO    0x00000400 /* lro processing     */
2172 #define DBG_ASSERT 0x80000000 /* debug assert       */
2173 #define DBG_ALL    0xFFFFFFFF /* flying monkeys     */
2174 
2175 #define DBASSERT(sc, exp, msg)                         \
2176     do {                                               \
2177         if (__predict_false(sc->debug & DBG_ASSERT)) { \
2178             if (__predict_false(!(exp))) {             \
2179                 panic msg;                             \
2180             }                                          \
2181         }                                              \
2182     } while (0)
2183 
2184 /* log a debug message */
2185 #define BLOGD(sc, codepath, format, args...)           \
2186     do {                                               \
2187         if (__predict_false(sc->debug & (codepath))) { \
2188             device_printf((sc)->dev,                   \
2189                           "%s(%s:%d) " format,         \
2190                           __FUNCTION__,                \
2191                           __FILE__,                    \
2192                           __LINE__,                    \
2193                           ## args);                    \
2194         }                                              \
2195     } while(0)
2196 
2197 /* log a info message */
2198 #define BLOGI(sc, format, args...)             \
2199     do {                                       \
2200         if (__predict_false(sc->debug)) {      \
2201             device_printf((sc)->dev,           \
2202                           "%s(%s:%d) " format, \
2203                           __FUNCTION__,        \
2204                           __FILE__,            \
2205                           __LINE__,            \
2206                           ## args);            \
2207         } else {                               \
2208             device_printf((sc)->dev,           \
2209                           format,              \
2210                           ## args);            \
2211         }                                      \
2212     } while(0)
2213 
2214 /* log a warning message */
2215 #define BLOGW(sc, format, args...)                      \
2216     do {                                                \
2217         if (__predict_false(sc->debug)) {               \
2218             device_printf((sc)->dev,                    \
2219                           "%s(%s:%d) WARNING: " format, \
2220                           __FUNCTION__,                 \
2221                           __FILE__,                     \
2222                           __LINE__,                     \
2223                           ## args);                     \
2224         } else {                                        \
2225             device_printf((sc)->dev,                    \
2226                           "WARNING: " format,           \
2227                           ## args);                     \
2228         }                                               \
2229     } while(0)
2230 
2231 /* log a error message */
2232 #define BLOGE(sc, format, args...)                    \
2233     do {                                              \
2234         if (__predict_false(sc->debug)) {             \
2235             device_printf((sc)->dev,                  \
2236                           "%s(%s:%d) ERROR: " format, \
2237                           __FUNCTION__,               \
2238                           __FILE__,                   \
2239                           __LINE__,                   \
2240                           ## args);                   \
2241         } else {                                      \
2242             device_printf((sc)->dev,                  \
2243                           "ERROR: " format,           \
2244                           ## args);                   \
2245         }                                             \
2246     } while(0)
2247 
2248 #ifdef ECORE_STOP_ON_ERROR
2249 
2250 #define bxe_panic(sc, msg) \
2251     do {                   \
2252         panic msg;         \
2253     } while (0)
2254 
2255 #else
2256 
2257 #define bxe_panic(sc, msg) \
2258     device_printf((sc)->dev, "%s (%s,%d)\n", __FUNCTION__, __FILE__, __LINE__);
2259 
2260 #endif
2261 
2262 #define CATC_TRIGGER(sc, data) REG_WR((sc), 0x2000, (data));
2263 #define CATC_TRIGGER_START(sc) CATC_TRIGGER((sc), 0xcafecafe)
2264 
2265 void bxe_dump_mem(struct bxe_softc *sc, char *tag,
2266                   uint8_t *mem, uint32_t len);
2267 void bxe_dump_mbuf_data(struct bxe_softc *sc, char *pTag,
2268                         struct mbuf *m, uint8_t contents);
2269 
2270 #define BXE_SET_FLOWID(m) M_HASHTYPE_SET(m, M_HASHTYPE_OPAQUE)
2271 #define BXE_VALID_FLOWID(m) (M_HASHTYPE_GET(m) != M_HASHTYPE_NONE)
2272 
2273 /***********/
2274 /* INLINES */
2275 /***********/
2276 
2277 static inline uint32_t
2278 reg_poll(struct bxe_softc *sc,
2279          uint32_t         reg,
2280          uint32_t         expected,
2281          int              ms,
2282          int              wait)
2283 {
2284     uint32_t val;
2285 
2286     do {
2287         val = REG_RD(sc, reg);
2288         if (val == expected) {
2289             break;
2290         }
2291         ms -= wait;
2292         DELAY(wait * 1000);
2293     } while (ms > 0);
2294 
2295     return (val);
2296 }
2297 
2298 static inline void
2299 bxe_update_fp_sb_idx(struct bxe_fastpath *fp)
2300 {
2301     mb(); /* status block is written to by the chip */
2302     fp->fp_hc_idx = fp->sb_running_index[SM_RX_ID];
2303 }
2304 
2305 static inline void
2306 bxe_igu_ack_sb_gen(struct bxe_softc *sc,
2307                    uint8_t          igu_sb_id,
2308                    uint8_t          segment,
2309                    uint16_t         index,
2310                    uint8_t          op,
2311                    uint8_t          update,
2312                    uint32_t         igu_addr)
2313 {
2314     struct igu_regular cmd_data = {0};
2315 
2316     cmd_data.sb_id_and_flags =
2317         ((index << IGU_REGULAR_SB_INDEX_SHIFT) |
2318          (segment << IGU_REGULAR_SEGMENT_ACCESS_SHIFT) |
2319          (update << IGU_REGULAR_BUPDATE_SHIFT) |
2320          (op << IGU_REGULAR_ENABLE_INT_SHIFT));
2321 
2322     BLOGD(sc, DBG_INTR, "write 0x%08x to IGU addr 0x%x\n",
2323             cmd_data.sb_id_and_flags, igu_addr);
2324     REG_WR(sc, igu_addr, cmd_data.sb_id_and_flags);
2325 
2326     /* Make sure that ACK is written */
2327     bus_space_barrier(sc->bar[0].tag, sc->bar[0].handle, 0, 0,
2328                       BUS_SPACE_BARRIER_WRITE);
2329     mb();
2330 }
2331 
2332 static inline void
2333 bxe_hc_ack_sb(struct bxe_softc *sc,
2334               uint8_t          sb_id,
2335               uint8_t          storm,
2336               uint16_t         index,
2337               uint8_t          op,
2338               uint8_t          update)
2339 {
2340     uint32_t hc_addr = (HC_REG_COMMAND_REG + SC_PORT(sc)*32 +
2341                         COMMAND_REG_INT_ACK);
2342     struct igu_ack_register igu_ack;
2343 
2344     igu_ack.status_block_index = index;
2345     igu_ack.sb_id_and_flags =
2346         ((sb_id << IGU_ACK_REGISTER_STATUS_BLOCK_ID_SHIFT) |
2347          (storm << IGU_ACK_REGISTER_STORM_ID_SHIFT) |
2348          (update << IGU_ACK_REGISTER_UPDATE_INDEX_SHIFT) |
2349          (op << IGU_ACK_REGISTER_INTERRUPT_MODE_SHIFT));
2350 
2351     REG_WR(sc, hc_addr, (*(uint32_t *)&igu_ack));
2352 
2353     /* Make sure that ACK is written */
2354     bus_space_barrier(sc->bar[0].tag, sc->bar[0].handle, 0, 0,
2355                       BUS_SPACE_BARRIER_WRITE);
2356     mb();
2357 }
2358 
2359 static inline void
2360 bxe_ack_sb(struct bxe_softc *sc,
2361            uint8_t          igu_sb_id,
2362            uint8_t          storm,
2363            uint16_t         index,
2364            uint8_t          op,
2365            uint8_t          update)
2366 {
2367     if (sc->devinfo.int_block == INT_BLOCK_HC)
2368         bxe_hc_ack_sb(sc, igu_sb_id, storm, index, op, update);
2369     else {
2370         uint8_t segment;
2371         if (CHIP_INT_MODE_IS_BC(sc)) {
2372             segment = storm;
2373         } else if (igu_sb_id != sc->igu_dsb_id) {
2374             segment = IGU_SEG_ACCESS_DEF;
2375         } else if (storm == ATTENTION_ID) {
2376             segment = IGU_SEG_ACCESS_ATTN;
2377         } else {
2378             segment = IGU_SEG_ACCESS_DEF;
2379         }
2380         bxe_igu_ack_sb(sc, igu_sb_id, segment, index, op, update);
2381     }
2382 }
2383 
2384 static inline uint16_t
2385 bxe_hc_ack_int(struct bxe_softc *sc)
2386 {
2387     uint32_t hc_addr = (HC_REG_COMMAND_REG + SC_PORT(sc)*32 +
2388                         COMMAND_REG_SIMD_MASK);
2389     uint32_t result = REG_RD(sc, hc_addr);
2390 
2391     mb();
2392     return (result);
2393 }
2394 
2395 static inline uint16_t
2396 bxe_igu_ack_int(struct bxe_softc *sc)
2397 {
2398     uint32_t igu_addr = (BAR_IGU_INTMEM + IGU_REG_SISR_MDPC_WMASK_LSB_UPPER*8);
2399     uint32_t result = REG_RD(sc, igu_addr);
2400 
2401     BLOGD(sc, DBG_INTR, "read 0x%08x from IGU addr 0x%x\n",
2402           result, igu_addr);
2403 
2404     mb();
2405     return (result);
2406 }
2407 
2408 static inline uint16_t
2409 bxe_ack_int(struct bxe_softc *sc)
2410 {
2411     mb();
2412     if (sc->devinfo.int_block == INT_BLOCK_HC) {
2413         return (bxe_hc_ack_int(sc));
2414     } else {
2415         return (bxe_igu_ack_int(sc));
2416     }
2417 }
2418 
2419 static inline int
2420 func_by_vn(struct bxe_softc *sc,
2421            int              vn)
2422 {
2423     return (2 * vn + SC_PORT(sc));
2424 }
2425 
2426 /*
2427  * Statistics ID are global per chip/path, while Client IDs for E1x
2428  * are per port.
2429  */
2430 static inline uint8_t
2431 bxe_stats_id(struct bxe_fastpath *fp)
2432 {
2433     struct bxe_softc *sc = fp->sc;
2434 
2435     if (!CHIP_IS_E1x(sc)) {
2436         return (fp->cl_id);
2437     }
2438 
2439     return (fp->cl_id + SC_PORT(sc) * FP_SB_MAX_E1x);
2440 }
2441 
2442 #endif /* __BXE_H__ */
2443 
2444