xref: /freebsd/sys/dev/oce/oce_if.h (revision 5686c6c38a3e1cc78804eaf5f880bda23dcf592f)
1 /*-
2  * Copyright (C) 2012 Emulex
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are met:
7  *
8  * 1. Redistributions of source code must retain the above copyright notice,
9  *    this list of conditions and the following disclaimer.
10  *
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * 3. Neither the name of the Emulex Corporation nor the names of its
16  *    contributors may be used to endorse or promote products derived from
17  *    this software without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
23  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  *
31  * Contact Information:
32  * freebsd-drivers@emulex.com
33  *
34  * Emulex
35  * 3333 Susan Street
36  * Costa Mesa, CA 92626
37  */
38 
39 
40 /* $FreeBSD$ */
41 
42 #include <sys/param.h>
43 #include <sys/endian.h>
44 #include <sys/module.h>
45 #include <sys/kernel.h>
46 #include <sys/bus.h>
47 #include <sys/mbuf.h>
48 #include <sys/rman.h>
49 #include <sys/socket.h>
50 #include <sys/sockio.h>
51 #include <sys/sockopt.h>
52 #include <sys/queue.h>
53 #include <sys/taskqueue.h>
54 #include <sys/lock.h>
55 #include <sys/mutex.h>
56 #include <sys/sysctl.h>
57 #include <sys/random.h>
58 #include <sys/firmware.h>
59 #include <sys/systm.h>
60 #include <sys/proc.h>
61 
62 #include <dev/pci/pcireg.h>
63 #include <dev/pci/pcivar.h>
64 
65 #include <net/bpf.h>
66 #include <net/ethernet.h>
67 #include <net/if.h>
68 #include <net/if_types.h>
69 #include <net/if_media.h>
70 #include <net/if_vlan_var.h>
71 #include <net/if_dl.h>
72 
73 #include <netinet/in.h>
74 #include <netinet/in_systm.h>
75 #include <netinet/in_var.h>
76 #include <netinet/if_ether.h>
77 #include <netinet/ip.h>
78 #include <netinet/ip6.h>
79 #include <netinet6/in6_var.h>
80 #include <netinet6/ip6_mroute.h>
81 
82 #include <netinet/udp.h>
83 #include <netinet/tcp.h>
84 #include <netinet/sctp.h>
85 #include <netinet/tcp_lro.h>
86 
87 #include <machine/bus.h>
88 
89 #include "oce_hw.h"
90 
91 #define COMPONENT_REVISION "4.6.95.0"
92 
93 /* OCE devices supported by this driver */
94 #define PCI_VENDOR_EMULEX		0x10df	/* Emulex */
95 #define PCI_VENDOR_SERVERENGINES	0x19a2	/* ServerEngines (BE) */
96 #define PCI_PRODUCT_BE2			0x0700	/* BE2 network adapter */
97 #define PCI_PRODUCT_BE3			0x0710	/* BE3 network adapter */
98 #define PCI_PRODUCT_XE201		0xe220	/* XE201 network adapter */
99 #define PCI_PRODUCT_XE201_VF		0xe228	/* XE201 with VF in Lancer */
100 
101 #define IS_BE(sc)	(((sc->flags & OCE_FLAGS_BE3) | \
102 			 (sc->flags & OCE_FLAGS_BE2))? 1:0)
103 #define IS_XE201(sc)	((sc->flags & OCE_FLAGS_XE201) ? 1:0)
104 #define HAS_A0_CHIP(sc)	((sc->flags & OCE_FLAGS_HAS_A0_CHIP) ? 1:0)
105 
106 
107 /* proportion Service Level Interface queues */
108 #define OCE_MAX_UNITS			2
109 #define OCE_MAX_PPORT			OCE_MAX_UNITS
110 #define OCE_MAX_VPORT			OCE_MAX_UNITS
111 
112 extern int mp_ncpus;			/* system's total active cpu cores */
113 #define OCE_NCPUS			mp_ncpus
114 
115 /* This should be powers of 2. Like 2,4,8 & 16 */
116 #define OCE_MAX_RSS			4 /* TODO: 8*/
117 #define OCE_LEGACY_MODE_RSS		4 /* For BE3 Legacy mode*/
118 
119 #define OCE_MIN_RQ			1
120 #define OCE_MIN_WQ			1
121 
122 #define OCE_MAX_RQ			OCE_MAX_RSS + 1 /* one default queue */
123 #define OCE_MAX_WQ			8
124 
125 #define OCE_MAX_EQ			32
126 #define OCE_MAX_CQ			OCE_MAX_RQ + OCE_MAX_WQ + 1 /* one MCC queue */
127 #define OCE_MAX_CQ_EQ			8 /* Max CQ that can attached to an EQ */
128 
129 #define OCE_DEFAULT_WQ_EQD		16
130 #define OCE_MAX_PACKET_Q		16
131 #define OCE_RQ_BUF_SIZE			2048
132 #define OCE_LSO_MAX_SIZE		(64 * 1024)
133 #define LONG_TIMEOUT			30
134 #define OCE_MAX_JUMBO_FRAME_SIZE	9018
135 #define OCE_MAX_MTU			(OCE_MAX_JUMBO_FRAME_SIZE - \
136 						ETHER_VLAN_ENCAP_LEN - \
137 						ETHER_HDR_LEN)
138 
139 #define OCE_MAX_TX_ELEMENTS		29
140 #define OCE_MAX_TX_DESC			1024
141 #define OCE_MAX_TX_SIZE			65535
142 #define OCE_MAX_RX_SIZE			4096
143 #define OCE_MAX_RQ_POSTS		255
144 #define OCE_DEFAULT_PROMISCUOUS		0
145 
146 
147 #define RSS_ENABLE_IPV4			0x1
148 #define RSS_ENABLE_TCP_IPV4		0x2
149 #define RSS_ENABLE_IPV6			0x4
150 #define RSS_ENABLE_TCP_IPV6		0x8
151 
152 
153 /* flow control definitions */
154 #define OCE_FC_NONE			0x00000000
155 #define OCE_FC_TX			0x00000001
156 #define OCE_FC_RX			0x00000002
157 #define OCE_DEFAULT_FLOW_CONTROL	(OCE_FC_TX | OCE_FC_RX)
158 
159 
160 /* Interface capabilities to give device when creating interface */
161 #define  OCE_CAPAB_FLAGS 		(MBX_RX_IFACE_FLAGS_BROADCAST    | \
162 					MBX_RX_IFACE_FLAGS_UNTAGGED      | \
163 					MBX_RX_IFACE_FLAGS_PROMISCUOUS      | \
164 					MBX_RX_IFACE_FLAGS_MCAST_PROMISCUOUS   | \
165 					MBX_RX_IFACE_FLAGS_RSS | \
166 					MBX_RX_IFACE_FLAGS_PASS_L3L4_ERR)
167 
168 /* Interface capabilities to enable by default (others set dynamically) */
169 #define  OCE_CAPAB_ENABLE		(MBX_RX_IFACE_FLAGS_BROADCAST | \
170 					MBX_RX_IFACE_FLAGS_UNTAGGED   | \
171 					MBX_RX_IFACE_FLAGS_PASS_L3L4_ERR)
172 
173 #define OCE_IF_HWASSIST			(CSUM_IP | CSUM_TCP | CSUM_UDP)
174 #define OCE_IF_CAPABILITIES		(IFCAP_VLAN_MTU | IFCAP_VLAN_HWTAGGING | \
175 					IFCAP_HWCSUM | IFCAP_VLAN_HWCSUM | \
176 					IFCAP_JUMBO_MTU | IFCAP_VLAN_MTU)
177 #define OCE_IF_HWASSIST_NONE		0
178 #define OCE_IF_CAPABILITIES_NONE 	0
179 
180 
181 #define ETH_ADDR_LEN			6
182 #define MAX_VLANFILTER_SIZE		64
183 #define MAX_VLANS			4096
184 
185 #define upper_32_bits(n)		((uint32_t)(((n) >> 16) >> 16))
186 #define BSWAP_8(x)			((x) & 0xff)
187 #define BSWAP_16(x)			((BSWAP_8(x) << 8) | BSWAP_8((x) >> 8))
188 #define BSWAP_32(x)			((BSWAP_16(x) << 16) | \
189 					 BSWAP_16((x) >> 16))
190 #define BSWAP_64(x)			((BSWAP_32(x) << 32) | \
191 					BSWAP_32((x) >> 32))
192 
193 #define for_all_wq_queues(sc, wq, i) 	\
194 		for (i = 0, wq = sc->wq[0]; i < sc->nwqs; i++, wq = sc->wq[i])
195 #define for_all_rq_queues(sc, rq, i) 	\
196 		for (i = 0, rq = sc->rq[0]; i < sc->nrqs; i++, rq = sc->rq[i])
197 #define for_all_evnt_queues(sc, eq, i) 	\
198 		for (i = 0, eq = sc->eq[0]; i < sc->neqs; i++, eq = sc->eq[i])
199 #define for_all_cq_queues(sc, cq, i) 	\
200 		for (i = 0, cq = sc->cq[0]; i < sc->ncqs; i++, cq = sc->cq[i])
201 
202 
203 /* Flash specific */
204 #define IOCTL_COOKIE			"SERVERENGINES CORP"
205 #define MAX_FLASH_COMP			32
206 
207 #define IMG_ISCSI			160
208 #define IMG_REDBOOT			224
209 #define IMG_BIOS			34
210 #define IMG_PXEBIOS			32
211 #define IMG_FCOEBIOS			33
212 #define IMG_ISCSI_BAK			176
213 #define IMG_FCOE			162
214 #define IMG_FCOE_BAK			178
215 #define IMG_NCSI			16
216 #define IMG_PHY				192
217 #define FLASHROM_OPER_FLASH		1
218 #define FLASHROM_OPER_SAVE		2
219 #define FLASHROM_OPER_REPORT		4
220 #define FLASHROM_OPER_FLASH_PHY		9
221 #define FLASHROM_OPER_SAVE_PHY		10
222 #define TN_8022				13
223 
224 enum {
225 	PHY_TYPE_CX4_10GB = 0,
226 	PHY_TYPE_XFP_10GB,
227 	PHY_TYPE_SFP_1GB,
228 	PHY_TYPE_SFP_PLUS_10GB,
229 	PHY_TYPE_KR_10GB,
230 	PHY_TYPE_KX4_10GB,
231 	PHY_TYPE_BASET_10GB,
232 	PHY_TYPE_BASET_1GB,
233 	PHY_TYPE_BASEX_1GB,
234 	PHY_TYPE_SGMII,
235 	PHY_TYPE_DISABLED = 255
236 };
237 
238 /**
239  * @brief Define and hold all necessary info for a single interrupt
240  */
241 #define OCE_MAX_MSI			32 /* Message Signaled Interrupts */
242 #define OCE_MAX_MSIX			2048 /* PCI Express MSI Interrrupts */
243 
244 typedef struct oce_intr_info {
245 	void *tag;		/* cookie returned by bus_setup_intr */
246 	struct resource *intr_res;	/* PCI resource container */
247 	int irq_rr;		/* resource id for the interrupt */
248 	struct oce_softc *sc;	/* pointer to the parent soft c */
249 	struct oce_eq *eq;	/* pointer to the connected EQ */
250 	struct taskqueue *tq;	/* Associated task queue */
251 	struct task task;	/* task queue task */
252 	char task_name[32];	/* task name */
253 	int vector;		/* interrupt vector number */
254 } OCE_INTR_INFO, *POCE_INTR_INFO;
255 
256 
257 /* Ring related */
258 #define	GET_Q_NEXT(_START, _STEP, _END)	\
259 	(((_START) + (_STEP)) < (_END) ? ((_START) + (_STEP)) \
260 	: (((_START) + (_STEP)) - (_END)))
261 
262 #define	DBUF_PA(obj)			((obj)->addr)
263 #define	DBUF_VA(obj) 			((obj)->ptr)
264 #define	DBUF_TAG(obj) 			((obj)->tag)
265 #define	DBUF_MAP(obj) 			((obj)->map)
266 #define	DBUF_SYNC(obj, flags) 		\
267 		(void) bus_dmamap_sync(DBUF_TAG(obj), DBUF_MAP(obj), (flags))
268 
269 #define	RING_NUM_PENDING(ring)		ring->num_used
270 #define	RING_FULL(ring) 		(ring->num_used == ring->num_items)
271 #define	RING_EMPTY(ring) 		(ring->num_used == 0)
272 #define	RING_NUM_FREE(ring)		\
273 		(uint32_t)(ring->num_items - ring->num_used)
274 #define	RING_GET(ring, n)		\
275 		ring->cidx = GET_Q_NEXT(ring->cidx, n, ring->num_items)
276 #define	RING_PUT(ring, n)		\
277 		ring->pidx = GET_Q_NEXT(ring->pidx, n, ring->num_items)
278 
279 #define	RING_GET_CONSUMER_ITEM_VA(ring, type) 	\
280 	(void*)((type *)DBUF_VA(&ring->dma) + ring->cidx)
281 #define	RING_GET_CONSUMER_ITEM_PA(ring, type)		\
282 	(uint64_t)(((type *)DBUF_PA(ring->dbuf)) + ring->cidx)
283 #define	RING_GET_PRODUCER_ITEM_VA(ring, type)		\
284 	(void *)(((type *)DBUF_VA(&ring->dma)) + ring->pidx)
285 #define	RING_GET_PRODUCER_ITEM_PA(ring, type)		\
286 	(uint64_t)(((type *)DBUF_PA(ring->dbuf)) + ring->pidx)
287 
288 #define OCE_DMAPTR(o, c) 		((c *)(o)->ptr)
289 
290 struct oce_packet_desc {
291 	struct mbuf *mbuf;
292 	bus_dmamap_t map;
293 	int nsegs;
294 	uint32_t wqe_idx;
295 };
296 
297 typedef struct oce_dma_mem {
298 	bus_dma_tag_t tag;
299 	bus_dmamap_t map;
300 	void *ptr;
301 	bus_addr_t paddr;
302 } OCE_DMA_MEM, *POCE_DMA_MEM;
303 
304 typedef struct oce_ring_buffer_s {
305 	uint16_t cidx;	/* Get ptr */
306 	uint16_t pidx;	/* Put Ptr */
307 	size_t item_size;
308 	size_t num_items;
309 	uint32_t num_used;
310 	OCE_DMA_MEM dma;
311 } oce_ring_buffer_t;
312 
313 /* Stats */
314 #define OCE_UNICAST_PACKET	0
315 #define OCE_MULTICAST_PACKET	1
316 #define OCE_BROADCAST_PACKET	2
317 #define OCE_RSVD_PACKET		3
318 
319 struct oce_rx_stats {
320 	/* Total Receive Stats*/
321 	uint64_t t_rx_pkts;
322 	uint64_t t_rx_bytes;
323 	uint32_t t_rx_frags;
324 	uint32_t t_rx_mcast_pkts;
325 	uint32_t t_rx_ucast_pkts;
326 	uint32_t t_rxcp_errs;
327 };
328 struct oce_tx_stats {
329 	/*Total Transmit Stats */
330 	uint64_t t_tx_pkts;
331 	uint64_t t_tx_bytes;
332 	uint32_t t_tx_reqs;
333 	uint32_t t_tx_stops;
334 	uint32_t t_tx_wrbs;
335 	uint32_t t_tx_compl;
336 	uint32_t t_ipv6_ext_hdr_tx_drop;
337 };
338 
339 struct oce_be_stats {
340 	uint8_t  be_on_die_temperature;
341 	uint32_t be_tx_events;
342 	uint32_t eth_red_drops;
343 	uint32_t rx_drops_no_pbuf;
344 	uint32_t rx_drops_no_txpb;
345 	uint32_t rx_drops_no_erx_descr;
346 	uint32_t rx_drops_no_tpre_descr;
347 	uint32_t rx_drops_too_many_frags;
348 	uint32_t rx_drops_invalid_ring;
349 	uint32_t forwarded_packets;
350 	uint32_t rx_drops_mtu;
351 	uint32_t rx_crc_errors;
352 	uint32_t rx_alignment_symbol_errors;
353 	uint32_t rx_pause_frames;
354 	uint32_t rx_priority_pause_frames;
355 	uint32_t rx_control_frames;
356 	uint32_t rx_in_range_errors;
357 	uint32_t rx_out_range_errors;
358 	uint32_t rx_frame_too_long;
359 	uint32_t rx_address_match_errors;
360 	uint32_t rx_dropped_too_small;
361 	uint32_t rx_dropped_too_short;
362 	uint32_t rx_dropped_header_too_small;
363 	uint32_t rx_dropped_tcp_length;
364 	uint32_t rx_dropped_runt;
365 	uint32_t rx_ip_checksum_errs;
366 	uint32_t rx_tcp_checksum_errs;
367 	uint32_t rx_udp_checksum_errs;
368 	uint32_t rx_switched_unicast_packets;
369 	uint32_t rx_switched_multicast_packets;
370 	uint32_t rx_switched_broadcast_packets;
371 	uint32_t tx_pauseframes;
372 	uint32_t tx_priority_pauseframes;
373 	uint32_t tx_controlframes;
374 	uint32_t rxpp_fifo_overflow_drop;
375 	uint32_t rx_input_fifo_overflow_drop;
376 	uint32_t pmem_fifo_overflow_drop;
377 	uint32_t jabber_events;
378 };
379 
380 struct oce_xe201_stats {
381 	uint64_t tx_pkts;
382 	uint64_t tx_unicast_pkts;
383 	uint64_t tx_multicast_pkts;
384 	uint64_t tx_broadcast_pkts;
385 	uint64_t tx_bytes;
386 	uint64_t tx_unicast_bytes;
387 	uint64_t tx_multicast_bytes;
388 	uint64_t tx_broadcast_bytes;
389 	uint64_t tx_discards;
390 	uint64_t tx_errors;
391 	uint64_t tx_pause_frames;
392 	uint64_t tx_pause_on_frames;
393 	uint64_t tx_pause_off_frames;
394 	uint64_t tx_internal_mac_errors;
395 	uint64_t tx_control_frames;
396 	uint64_t tx_pkts_64_bytes;
397 	uint64_t tx_pkts_65_to_127_bytes;
398 	uint64_t tx_pkts_128_to_255_bytes;
399 	uint64_t tx_pkts_256_to_511_bytes;
400 	uint64_t tx_pkts_512_to_1023_bytes;
401 	uint64_t tx_pkts_1024_to_1518_bytes;
402 	uint64_t tx_pkts_1519_to_2047_bytes;
403 	uint64_t tx_pkts_2048_to_4095_bytes;
404 	uint64_t tx_pkts_4096_to_8191_bytes;
405 	uint64_t tx_pkts_8192_to_9216_bytes;
406 	uint64_t tx_lso_pkts;
407 	uint64_t rx_pkts;
408 	uint64_t rx_unicast_pkts;
409 	uint64_t rx_multicast_pkts;
410 	uint64_t rx_broadcast_pkts;
411 	uint64_t rx_bytes;
412 	uint64_t rx_unicast_bytes;
413 	uint64_t rx_multicast_bytes;
414 	uint64_t rx_broadcast_bytes;
415 	uint32_t rx_unknown_protos;
416 	uint64_t rx_discards;
417 	uint64_t rx_errors;
418 	uint64_t rx_crc_errors;
419 	uint64_t rx_alignment_errors;
420 	uint64_t rx_symbol_errors;
421 	uint64_t rx_pause_frames;
422 	uint64_t rx_pause_on_frames;
423 	uint64_t rx_pause_off_frames;
424 	uint64_t rx_frames_too_long;
425 	uint64_t rx_internal_mac_errors;
426 	uint32_t rx_undersize_pkts;
427 	uint32_t rx_oversize_pkts;
428 	uint32_t rx_fragment_pkts;
429 	uint32_t rx_jabbers;
430 	uint64_t rx_control_frames;
431 	uint64_t rx_control_frames_unknown_opcode;
432 	uint32_t rx_in_range_errors;
433 	uint32_t rx_out_of_range_errors;
434 	uint32_t rx_address_match_errors;
435 	uint32_t rx_vlan_mismatch_errors;
436 	uint32_t rx_dropped_too_small;
437 	uint32_t rx_dropped_too_short;
438 	uint32_t rx_dropped_header_too_small;
439 	uint32_t rx_dropped_invalid_tcp_length;
440 	uint32_t rx_dropped_runt;
441 	uint32_t rx_ip_checksum_errors;
442 	uint32_t rx_tcp_checksum_errors;
443 	uint32_t rx_udp_checksum_errors;
444 	uint32_t rx_non_rss_pkts;
445 	uint64_t rx_ipv4_pkts;
446 	uint64_t rx_ipv6_pkts;
447 	uint64_t rx_ipv4_bytes;
448 	uint64_t rx_ipv6_bytes;
449 	uint64_t rx_nic_pkts;
450 	uint64_t rx_tcp_pkts;
451 	uint64_t rx_iscsi_pkts;
452 	uint64_t rx_management_pkts;
453 	uint64_t rx_switched_unicast_pkts;
454 	uint64_t rx_switched_multicast_pkts;
455 	uint64_t rx_switched_broadcast_pkts;
456 	uint64_t num_forwards;
457 	uint32_t rx_fifo_overflow;
458 	uint32_t rx_input_fifo_overflow;
459 	uint64_t rx_drops_too_many_frags;
460 	uint32_t rx_drops_invalid_queue;
461 	uint64_t rx_drops_mtu;
462 	uint64_t rx_pkts_64_bytes;
463 	uint64_t rx_pkts_65_to_127_bytes;
464 	uint64_t rx_pkts_128_to_255_bytes;
465 	uint64_t rx_pkts_256_to_511_bytes;
466 	uint64_t rx_pkts_512_to_1023_bytes;
467 	uint64_t rx_pkts_1024_to_1518_bytes;
468 	uint64_t rx_pkts_1519_to_2047_bytes;
469 	uint64_t rx_pkts_2048_to_4095_bytes;
470 	uint64_t rx_pkts_4096_to_8191_bytes;
471 	uint64_t rx_pkts_8192_to_9216_bytes;
472 };
473 
474 struct oce_drv_stats {
475 	struct oce_rx_stats rx;
476 	struct oce_tx_stats tx;
477 	union {
478 		struct oce_be_stats be;
479 		struct oce_xe201_stats xe201;
480 	} u0;
481 };
482 
483 #define INTR_RATE_HWM                   15000
484 #define INTR_RATE_LWM                   10000
485 
486 #define OCE_MAX_EQD 128u
487 #define OCE_MIN_EQD 50u
488 
489 struct oce_set_eqd {
490 	uint32_t eq_id;
491 	uint32_t phase;
492 	uint32_t delay_multiplier;
493 };
494 
495 struct oce_aic_obj {             /* Adaptive interrupt coalescing (AIC) info */
496 	boolean_t enable;
497 	uint32_t  min_eqd;            /* in usecs */
498 	uint32_t  max_eqd;            /* in usecs */
499 	uint32_t  cur_eqd;            /* in usecs */
500 	uint32_t  et_eqd;             /* configured value when aic is off */
501 	uint64_t  ticks;
502 	uint64_t  intr_prev;
503 };
504 
505 #define MAX_LOCK_DESC_LEN			32
506 struct oce_lock {
507 	struct mtx mutex;
508 	char name[MAX_LOCK_DESC_LEN+1];
509 };
510 #define OCE_LOCK				struct oce_lock
511 
512 #define LOCK_CREATE(lock, desc) 		{ \
513 	strncpy((lock)->name, (desc), MAX_LOCK_DESC_LEN); \
514 	(lock)->name[MAX_LOCK_DESC_LEN] = '\0'; \
515 	mtx_init(&(lock)->mutex, (lock)->name, NULL, MTX_DEF); \
516 }
517 #define LOCK_DESTROY(lock) 			\
518 		if (mtx_initialized(&(lock)->mutex))\
519 			mtx_destroy(&(lock)->mutex)
520 #define TRY_LOCK(lock)				mtx_trylock(&(lock)->mutex)
521 #define LOCK(lock)				mtx_lock(&(lock)->mutex)
522 #define LOCKED(lock)				mtx_owned(&(lock)->mutex)
523 #define UNLOCK(lock)				mtx_unlock(&(lock)->mutex)
524 
525 #define	DEFAULT_MQ_MBOX_TIMEOUT			(5 * 1000 * 1000)
526 #define	MBX_READY_TIMEOUT			(1 * 1000 * 1000)
527 #define	DEFAULT_DRAIN_TIME			200
528 #define	MBX_TIMEOUT_SEC				5
529 #define	STAT_TIMEOUT				2000000
530 
531 /* size of the packet descriptor array in a transmit queue */
532 #define OCE_TX_RING_SIZE			2048
533 #define OCE_RX_RING_SIZE			1024
534 #define OCE_WQ_PACKET_ARRAY_SIZE		(OCE_TX_RING_SIZE/2)
535 #define OCE_RQ_PACKET_ARRAY_SIZE		(OCE_RX_RING_SIZE)
536 
537 struct oce_dev;
538 
539 enum eq_len {
540 	EQ_LEN_256  = 256,
541 	EQ_LEN_512  = 512,
542 	EQ_LEN_1024 = 1024,
543 	EQ_LEN_2048 = 2048,
544 	EQ_LEN_4096 = 4096
545 };
546 
547 enum eqe_size {
548 	EQE_SIZE_4  = 4,
549 	EQE_SIZE_16 = 16
550 };
551 
552 enum qtype {
553 	QTYPE_EQ,
554 	QTYPE_MQ,
555 	QTYPE_WQ,
556 	QTYPE_RQ,
557 	QTYPE_CQ,
558 	QTYPE_RSS
559 };
560 
561 typedef enum qstate_e {
562 	QDELETED = 0x0,
563 	QCREATED = 0x1
564 } qstate_t;
565 
566 struct eq_config {
567 	enum eq_len q_len;
568 	enum eqe_size item_size;
569 	uint32_t q_vector_num;
570 	uint8_t min_eqd;
571 	uint8_t max_eqd;
572 	uint8_t cur_eqd;
573 	uint8_t pad;
574 };
575 
576 struct oce_eq {
577 	uint32_t eq_id;
578 	void *parent;
579 	void *cb_context;
580 	oce_ring_buffer_t *ring;
581 	uint32_t ref_count;
582 	qstate_t qstate;
583 	struct oce_cq *cq[OCE_MAX_CQ_EQ];
584 	int cq_valid;
585 	struct eq_config eq_cfg;
586 	int vector;
587 	uint64_t intr;
588 };
589 
590 enum cq_len {
591 	CQ_LEN_256  = 256,
592 	CQ_LEN_512  = 512,
593 	CQ_LEN_1024 = 1024
594 };
595 
596 struct cq_config {
597 	enum cq_len q_len;
598 	uint32_t item_size;
599 	boolean_t is_eventable;
600 	boolean_t sol_eventable;
601 	boolean_t nodelay;
602 	uint16_t dma_coalescing;
603 };
604 
605 typedef uint16_t(*cq_handler_t) (void *arg1);
606 
607 struct oce_cq {
608 	uint32_t cq_id;
609 	void *parent;
610 	struct oce_eq *eq;
611 	cq_handler_t cq_handler;
612 	void *cb_arg;
613 	oce_ring_buffer_t *ring;
614 	qstate_t qstate;
615 	struct cq_config cq_cfg;
616 	uint32_t ref_count;
617 };
618 
619 
620 struct mq_config {
621 	uint32_t eqd;
622 	uint8_t q_len;
623 	uint8_t pad[3];
624 };
625 
626 
627 struct oce_mq {
628 	void *parent;
629 	oce_ring_buffer_t *ring;
630 	uint32_t mq_id;
631 	struct oce_cq *cq;
632 	struct oce_cq *async_cq;
633 	uint32_t mq_free;
634 	qstate_t qstate;
635 	struct mq_config cfg;
636 };
637 
638 struct oce_mbx_ctx {
639 	struct oce_mbx *mbx;
640 	void (*cb) (void *ctx);
641 	void *cb_ctx;
642 };
643 
644 struct wq_config {
645 	uint8_t wq_type;
646 	uint16_t buf_size;
647 	uint8_t pad[1];
648 	uint32_t q_len;
649 	uint16_t pd_id;
650 	uint16_t pci_fn_num;
651 	uint32_t eqd;	/* interrupt delay */
652 	uint32_t nbufs;
653 	uint32_t nhdl;
654 };
655 
656 struct oce_tx_queue_stats {
657 	uint64_t tx_pkts;
658 	uint64_t tx_bytes;
659 	uint32_t tx_reqs;
660 	uint32_t tx_stops; /* number of times TX Q was stopped */
661 	uint32_t tx_wrbs;
662 	uint32_t tx_compl;
663 	uint32_t tx_rate;
664 	uint32_t ipv6_ext_hdr_tx_drop;
665 };
666 
667 struct oce_wq {
668 	OCE_LOCK tx_lock;
669 	void *parent;
670 	oce_ring_buffer_t *ring;
671 	struct oce_cq *cq;
672 	bus_dma_tag_t tag;
673 	struct oce_packet_desc pckts[OCE_WQ_PACKET_ARRAY_SIZE];
674 	uint32_t packets_in;
675 	uint32_t packets_out;
676 	uint32_t wqm_used;
677 	boolean_t resched;
678 	uint32_t wq_free;
679 	uint32_t tx_deferd;
680 	uint32_t pkt_drops;
681 	qstate_t qstate;
682 	uint16_t wq_id;
683 	struct wq_config cfg;
684 	int queue_index;
685 	struct oce_tx_queue_stats tx_stats;
686 	struct buf_ring *br;
687 	struct task txtask;
688 };
689 
690 struct rq_config {
691 	uint32_t q_len;
692 	uint32_t frag_size;
693 	uint32_t mtu;
694 	uint32_t if_id;
695 	uint32_t is_rss_queue;
696 	uint32_t eqd;
697 	uint32_t nbufs;
698 };
699 
700 struct oce_rx_queue_stats {
701 	uint32_t rx_post_fail;
702 	uint32_t rx_ucast_pkts;
703 	uint32_t rx_compl;
704 	uint64_t rx_bytes;
705 	uint64_t rx_bytes_prev;
706 	uint64_t rx_pkts;
707 	uint32_t rx_rate;
708 	uint32_t rx_mcast_pkts;
709 	uint32_t rxcp_err;
710 	uint32_t rx_frags;
711 	uint32_t prev_rx_frags;
712 	uint32_t rx_fps;
713 };
714 
715 
716 struct oce_rq {
717 	struct rq_config cfg;
718 	uint32_t rq_id;
719 	int queue_index;
720 	uint32_t rss_cpuid;
721 	void *parent;
722 	oce_ring_buffer_t *ring;
723 	struct oce_cq *cq;
724 	void *pad1;
725 	bus_dma_tag_t tag;
726 	struct oce_packet_desc pckts[OCE_RQ_PACKET_ARRAY_SIZE];
727 	uint32_t packets_in;
728 	uint32_t packets_out;
729 	uint32_t pending;
730 #ifdef notdef
731 	struct mbuf *head;
732 	struct mbuf *tail;
733 	int fragsleft;
734 #endif
735 	qstate_t qstate;
736 	OCE_LOCK rx_lock;
737 	struct oce_rx_queue_stats rx_stats;
738 	struct lro_ctrl lro;
739 	int lro_pkts_queued;
740 
741 };
742 
743 struct link_status {
744 	uint8_t physical_port;
745 	uint8_t mac_duplex;
746 	uint8_t mac_speed;
747 	uint8_t mac_fault;
748 	uint8_t mgmt_mac_duplex;
749 	uint8_t mgmt_mac_speed;
750 	uint16_t qos_link_speed;
751 	uint32_t logical_link_status;
752 };
753 
754 
755 
756 #define OCE_FLAGS_PCIX			0x00000001
757 #define OCE_FLAGS_PCIE			0x00000002
758 #define OCE_FLAGS_MSI_CAPABLE		0x00000004
759 #define OCE_FLAGS_MSIX_CAPABLE		0x00000008
760 #define OCE_FLAGS_USING_MSI		0x00000010
761 #define OCE_FLAGS_USING_MSIX		0x00000020
762 #define OCE_FLAGS_FUNCRESET_RQD		0x00000040
763 #define OCE_FLAGS_VIRTUAL_PORT		0x00000080
764 #define OCE_FLAGS_MBOX_ENDIAN_RQD	0x00000100
765 #define OCE_FLAGS_BE3			0x00000200
766 #define OCE_FLAGS_XE201			0x00000400
767 #define OCE_FLAGS_BE2			0x00000800
768 
769 #define OCE_DEV_BE2_CFG_BAR		1
770 #define OCE_DEV_CFG_BAR			0
771 #define OCE_PCI_CSR_BAR			2
772 #define OCE_PCI_DB_BAR			4
773 
774 typedef struct oce_softc {
775 	device_t dev;
776 	OCE_LOCK dev_lock;
777 
778 	uint32_t flags;
779 
780 	uint32_t pcie_link_speed;
781 	uint32_t pcie_link_width;
782 
783 	uint8_t fn; /* PCI function number */
784 
785 	struct resource *devcfg_res;
786 	bus_space_tag_t devcfg_btag;
787 	bus_space_handle_t devcfg_bhandle;
788 	void *devcfg_vhandle;
789 
790 	struct resource *csr_res;
791 	bus_space_tag_t csr_btag;
792 	bus_space_handle_t csr_bhandle;
793 	void *csr_vhandle;
794 
795 	struct resource *db_res;
796 	bus_space_tag_t db_btag;
797 	bus_space_handle_t db_bhandle;
798 	void *db_vhandle;
799 
800 	OCE_INTR_INFO intrs[OCE_MAX_EQ];
801 	int intr_count;
802 
803 	struct ifnet *ifp;
804 
805 	struct ifmedia media;
806 	uint8_t link_status;
807 	uint8_t link_speed;
808 	uint8_t duplex;
809 	uint32_t qos_link_speed;
810 	uint32_t speed;
811 
812 	char fw_version[32];
813 	struct mac_address_format macaddr;
814 
815 	OCE_DMA_MEM bsmbx;
816 	OCE_LOCK bmbx_lock;
817 
818 	uint32_t config_number;
819 	uint32_t asic_revision;
820 	uint32_t port_id;
821 	uint32_t function_mode;
822 	uint32_t function_caps;
823 	uint32_t max_tx_rings;
824 	uint32_t max_rx_rings;
825 
826 	struct oce_wq *wq[OCE_MAX_WQ];	/* TX work queues */
827 	struct oce_rq *rq[OCE_MAX_RQ];	/* RX work queues */
828 	struct oce_cq *cq[OCE_MAX_CQ];	/* Completion queues */
829 	struct oce_eq *eq[OCE_MAX_EQ];	/* Event queues */
830 	struct oce_mq *mq;		/* Mailbox queue */
831 
832 	uint32_t neqs;
833 	uint32_t ncqs;
834 	uint32_t nrqs;
835 	uint32_t nwqs;
836 
837 	uint32_t tx_ring_size;
838 	uint32_t rx_ring_size;
839 	uint32_t rq_frag_size;
840 	uint32_t rss_enable;
841 
842 	uint32_t if_id;		/* interface ID */
843 	uint32_t nifs;		/* number of adapter interfaces, 0 or 1 */
844 	uint32_t pmac_id;	/* PMAC id */
845 
846 	uint32_t if_cap_flags;
847 
848 	uint32_t flow_control;
849 	uint32_t promisc;
850 
851 	struct oce_aic_obj aic_obj[OCE_MAX_EQ];
852 
853 	/*Vlan Filtering related */
854 	eventhandler_tag vlan_attach;
855 	eventhandler_tag vlan_detach;
856 	uint16_t vlans_added;
857 	uint8_t vlan_tag[MAX_VLANS];
858 	/*stats */
859 	OCE_DMA_MEM stats_mem;
860 	struct oce_drv_stats oce_stats_info;
861 	struct callout  timer;
862 	int8_t be3_native;
863 	uint16_t qnq_debug_event;
864 	uint16_t qnqid;
865 	uint16_t pvid;
866 
867 } OCE_SOFTC, *POCE_SOFTC;
868 
869 
870 
871 /**************************************************
872  * BUS memory read/write macros
873  * BE3: accesses three BAR spaces (CFG, CSR, DB)
874  * Lancer: accesses one BAR space (CFG)
875  **************************************************/
876 #define OCE_READ_REG32(sc, space, o) \
877 	((IS_BE(sc)) ? (bus_space_read_4((sc)->space##_btag, \
878 				      (sc)->space##_bhandle,o)) \
879 		  : (bus_space_read_4((sc)->devcfg_btag, \
880 				      (sc)->devcfg_bhandle,o)))
881 #define OCE_READ_REG16(sc, space, o) \
882 	((IS_BE(sc)) ? (bus_space_read_2((sc)->space##_btag, \
883 				      (sc)->space##_bhandle,o)) \
884 		  : (bus_space_read_2((sc)->devcfg_btag, \
885 				      (sc)->devcfg_bhandle,o)))
886 #define OCE_READ_REG8(sc, space, o) \
887 	((IS_BE(sc)) ? (bus_space_read_1((sc)->space##_btag, \
888 				      (sc)->space##_bhandle,o)) \
889 		  : (bus_space_read_1((sc)->devcfg_btag, \
890 				      (sc)->devcfg_bhandle,o)))
891 
892 #define OCE_WRITE_REG32(sc, space, o, v) \
893 	((IS_BE(sc)) ? (bus_space_write_4((sc)->space##_btag, \
894 				       (sc)->space##_bhandle,o,v)) \
895 		  : (bus_space_write_4((sc)->devcfg_btag, \
896 				       (sc)->devcfg_bhandle,o,v)))
897 #define OCE_WRITE_REG16(sc, space, o, v) \
898 	((IS_BE(sc)) ? (bus_space_write_2((sc)->space##_btag, \
899 				       (sc)->space##_bhandle,o,v)) \
900 		  : (bus_space_write_2((sc)->devcfg_btag, \
901 				       (sc)->devcfg_bhandle,o,v)))
902 #define OCE_WRITE_REG8(sc, space, o, v) \
903 	((IS_BE(sc)) ? (bus_space_write_1((sc)->space##_btag, \
904 				       (sc)->space##_bhandle,o,v)) \
905 		  : (bus_space_write_1((sc)->devcfg_btag, \
906 				       (sc)->devcfg_bhandle,o,v)))
907 
908 
909 /***********************************************************
910  * DMA memory functions
911  ***********************************************************/
912 #define oce_dma_sync(d, f)		bus_dmamap_sync((d)->tag, (d)->map, f)
913 int oce_dma_alloc(POCE_SOFTC sc, bus_size_t size, POCE_DMA_MEM dma, int flags);
914 void oce_dma_free(POCE_SOFTC sc, POCE_DMA_MEM dma);
915 void oce_dma_map_addr(void *arg, bus_dma_segment_t * segs, int nseg, int error);
916 void oce_destroy_ring_buffer(POCE_SOFTC sc, oce_ring_buffer_t *ring);
917 oce_ring_buffer_t *oce_create_ring_buffer(POCE_SOFTC sc,
918 					  uint32_t q_len, uint32_t num_entries);
919 /************************************************************
920  * oce_hw_xxx functions
921  ************************************************************/
922 int oce_clear_rx_buf(struct oce_rq *rq);
923 int oce_hw_pci_alloc(POCE_SOFTC sc);
924 int oce_hw_init(POCE_SOFTC sc);
925 int oce_hw_start(POCE_SOFTC sc);
926 int oce_create_nw_interface(POCE_SOFTC sc);
927 int oce_pci_soft_reset(POCE_SOFTC sc);
928 int oce_hw_update_multicast(POCE_SOFTC sc);
929 void oce_delete_nw_interface(POCE_SOFTC sc);
930 void oce_hw_shutdown(POCE_SOFTC sc);
931 void oce_hw_intr_enable(POCE_SOFTC sc);
932 void oce_hw_intr_disable(POCE_SOFTC sc);
933 void oce_hw_pci_free(POCE_SOFTC sc);
934 
935 /***********************************************************
936  * oce_queue_xxx functions
937  ***********************************************************/
938 int oce_queue_init_all(POCE_SOFTC sc);
939 int oce_start_rq(struct oce_rq *rq);
940 int oce_start_wq(struct oce_wq *wq);
941 int oce_start_mq(struct oce_mq *mq);
942 int oce_start_rx(POCE_SOFTC sc);
943 void oce_arm_eq(POCE_SOFTC sc,
944 		int16_t qid, int npopped, uint32_t rearm, uint32_t clearint);
945 void oce_queue_release_all(POCE_SOFTC sc);
946 void oce_arm_cq(POCE_SOFTC sc, int16_t qid, int npopped, uint32_t rearm);
947 void oce_drain_eq(struct oce_eq *eq);
948 void oce_drain_mq_cq(void *arg);
949 void oce_drain_rq_cq(struct oce_rq *rq);
950 void oce_drain_wq_cq(struct oce_wq *wq);
951 
952 uint32_t oce_page_list(oce_ring_buffer_t *ring, struct phys_addr *pa_list);
953 
954 /***********************************************************
955  * cleanup  functions
956  ***********************************************************/
957 void oce_stop_rx(POCE_SOFTC sc);
958 void oce_intr_free(POCE_SOFTC sc);
959 void oce_free_posted_rxbuf(struct oce_rq *rq);
960 #if defined(INET6) || defined(INET)
961 void oce_free_lro(POCE_SOFTC sc);
962 #endif
963 
964 
965 /************************************************************
966  * Mailbox functions
967  ************************************************************/
968 int oce_fw_clean(POCE_SOFTC sc);
969 int oce_reset_fun(POCE_SOFTC sc);
970 int oce_mbox_init(POCE_SOFTC sc);
971 int oce_mbox_dispatch(POCE_SOFTC sc, uint32_t tmo_sec);
972 int oce_get_fw_version(POCE_SOFTC sc);
973 int oce_first_mcc_cmd(POCE_SOFTC sc);
974 
975 int oce_read_mac_addr(POCE_SOFTC sc, uint32_t if_id, uint8_t perm,
976 			uint8_t type, struct mac_address_format *mac);
977 int oce_get_fw_config(POCE_SOFTC sc);
978 int oce_if_create(POCE_SOFTC sc, uint32_t cap_flags, uint32_t en_flags,
979 		uint16_t vlan_tag, uint8_t *mac_addr, uint32_t *if_id);
980 int oce_if_del(POCE_SOFTC sc, uint32_t if_id);
981 int oce_config_vlan(POCE_SOFTC sc, uint32_t if_id,
982 		struct normal_vlan *vtag_arr, uint8_t vtag_cnt,
983 		uint32_t untagged, uint32_t enable_promisc);
984 int oce_set_flow_control(POCE_SOFTC sc, uint32_t flow_control);
985 int oce_config_nic_rss(POCE_SOFTC sc, uint32_t if_id, uint16_t enable_rss);
986 int oce_rxf_set_promiscuous(POCE_SOFTC sc, uint32_t enable);
987 int oce_set_common_iface_rx_filter(POCE_SOFTC sc, POCE_DMA_MEM sgl);
988 int oce_get_link_status(POCE_SOFTC sc, struct link_status *link);
989 int oce_mbox_get_nic_stats_v0(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem);
990 int oce_mbox_get_nic_stats(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem);
991 int oce_mbox_get_pport_stats(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem,
992 				uint32_t reset_stats);
993 int oce_mbox_get_vport_stats(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem,
994 				uint32_t req_size, uint32_t reset_stats);
995 int oce_update_multicast(POCE_SOFTC sc, POCE_DMA_MEM pdma_mem);
996 int oce_pass_through_mbox(POCE_SOFTC sc, POCE_DMA_MEM dma_mem, uint32_t req_size);
997 int oce_mbox_macaddr_del(POCE_SOFTC sc, uint32_t if_id, uint32_t pmac_id);
998 int oce_mbox_macaddr_add(POCE_SOFTC sc, uint8_t *mac_addr,
999 		uint32_t if_id, uint32_t *pmac_id);
1000 int oce_mbox_cmd_test_loopback(POCE_SOFTC sc, uint32_t port_num,
1001 	uint32_t loopback_type, uint32_t pkt_size, uint32_t num_pkts,
1002 	uint64_t pattern);
1003 
1004 int oce_mbox_cmd_set_loopback(POCE_SOFTC sc, uint8_t port_num,
1005 	uint8_t loopback_type, uint8_t enable);
1006 
1007 int oce_mbox_check_native_mode(POCE_SOFTC sc);
1008 int oce_mbox_post(POCE_SOFTC sc,
1009 		  struct oce_mbx *mbx, struct oce_mbx_ctx *mbxctx);
1010 int oce_mbox_write_flashrom(POCE_SOFTC sc, uint32_t optype,uint32_t opcode,
1011 				POCE_DMA_MEM pdma_mem, uint32_t num_bytes);
1012 int oce_mbox_lancer_write_flashrom(POCE_SOFTC sc, uint32_t data_size,
1013 			uint32_t data_offset,POCE_DMA_MEM pdma_mem,
1014 			uint32_t *written_data, uint32_t *additional_status);
1015 
1016 int oce_mbox_get_flashrom_crc(POCE_SOFTC sc, uint8_t *flash_crc,
1017 				uint32_t offset, uint32_t optype);
1018 int oce_mbox_get_phy_info(POCE_SOFTC sc, struct oce_phy_info *phy_info);
1019 int oce_mbox_create_rq(struct oce_rq *rq);
1020 int oce_mbox_create_wq(struct oce_wq *wq);
1021 int oce_mbox_create_eq(struct oce_eq *eq);
1022 int oce_mbox_cq_create(struct oce_cq *cq, uint32_t ncoalesce,
1023 			 uint32_t is_eventable);
1024 int oce_mbox_read_transrecv_data(POCE_SOFTC sc, uint32_t page_num);
1025 void oce_mbox_eqd_modify_periodic(POCE_SOFTC sc, struct oce_set_eqd *set_eqd,
1026 					int num);
1027 void mbx_common_req_hdr_init(struct mbx_hdr *hdr,
1028 			     uint8_t dom,
1029 			     uint8_t port,
1030 			     uint8_t subsys,
1031 			     uint8_t opcode,
1032 			     uint32_t timeout, uint32_t pyld_len,
1033 			     uint8_t version);
1034 
1035 
1036 uint16_t oce_mq_handler(void *arg);
1037 
1038 /************************************************************
1039  * Transmit functions
1040  ************************************************************/
1041 uint16_t oce_wq_handler(void *arg);
1042 void	 oce_start(struct ifnet *ifp);
1043 void	 oce_tx_task(void *arg, int npending);
1044 
1045 /************************************************************
1046  * Receive functions
1047  ************************************************************/
1048 int	 oce_alloc_rx_bufs(struct oce_rq *rq, int count);
1049 uint16_t oce_rq_handler(void *arg);
1050 
1051 
1052 /* Sysctl functions */
1053 void oce_add_sysctls(POCE_SOFTC sc);
1054 void oce_refresh_queue_stats(POCE_SOFTC sc);
1055 int  oce_refresh_nic_stats(POCE_SOFTC sc);
1056 int  oce_stats_init(POCE_SOFTC sc);
1057 void oce_stats_free(POCE_SOFTC sc);
1058 
1059 /* Capabilities */
1060 #define OCE_MODCAP_RSS			1
1061 #define OCE_MAX_RSP_HANDLED		64
1062 extern uint32_t oce_max_rsp_handled;	/* max responses */
1063 
1064 #define OCE_MAC_LOOPBACK		0x0
1065 #define OCE_PHY_LOOPBACK		0x1
1066 #define OCE_ONE_PORT_EXT_LOOPBACK	0x2
1067 #define OCE_NO_LOOPBACK			0xff
1068 
1069 #define atomic_inc_32(x)		atomic_add_32(x, 1)
1070 #define atomic_dec_32(x)		atomic_subtract_32(x, 1)
1071 
1072 #define LE_64(x)			htole64(x)
1073 #define LE_32(x)			htole32(x)
1074 #define LE_16(x)			htole16(x)
1075 #define DW_SWAP(x, l)
1076 #define IS_ALIGNED(x,a)			((x % a) == 0)
1077 #define ADDR_HI(x)			((uint32_t)((uint64_t)(x) >> 32))
1078 #define ADDR_LO(x)			((uint32_t)((uint64_t)(x) & 0xffffffff));
1079 
1080 #define IF_LRO_ENABLED(sc)  (((sc)->ifp->if_capenable & IFCAP_LRO) ? 1:0)
1081 #define IF_LSO_ENABLED(sc)  (((sc)->ifp->if_capenable & IFCAP_TSO4) ? 1:0)
1082 #define IF_CSUM_ENABLED(sc) (((sc)->ifp->if_capenable & IFCAP_HWCSUM) ? 1:0)
1083 
1084 #define OCE_LOG2(x) 			(oce_highbit(x))
1085 static inline uint32_t oce_highbit(uint32_t x)
1086 {
1087 	int i;
1088 	int c;
1089 	int b;
1090 
1091 	c = 0;
1092 	b = 0;
1093 
1094 	for (i = 0; i < 32; i++) {
1095 		if ((1 << i) & x) {
1096 			c++;
1097 			b = i;
1098 		}
1099 	}
1100 
1101 	if (c == 1)
1102 		return b;
1103 
1104 	return 0;
1105 }
1106 
1107 #define TRANSCEIVER_DATA_NUM_ELE 64
1108 #define TRANSCEIVER_DATA_SIZE 256
1109 #define TRANSCEIVER_A0_SIZE 128
1110 #define TRANSCEIVER_A2_SIZE 128
1111 #define PAGE_NUM_A0 0xa0
1112 #define PAGE_NUM_A2 0xa2
1113 #define IS_QNQ_OR_UMC(sc) ((sc->pvid && (sc->function_mode & FNM_UMC_MODE ))\
1114 		     || (sc->qnqid && (sc->function_mode & FNM_FLEX10_MODE)))
1115 
1116