xref: /freebsd/sys/dev/oce/oce_if.h (revision e8d8bef961a50d4dc22501cde4fb9fb0be1b2532)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (C) 2013 Emulex
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright notice,
11  *    this list of conditions and the following disclaimer.
12  *
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * 3. Neither the name of the Emulex Corporation nor the names of its
18  *    contributors may be used to endorse or promote products derived from
19  *    this software without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
25  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31  * POSSIBILITY OF SUCH DAMAGE.
32  *
33  * Contact Information:
34  * freebsd-drivers@emulex.com
35  *
36  * Emulex
37  * 3333 Susan Street
38  * Costa Mesa, CA 92626
39  */
40 
41 /* $FreeBSD$ */
42 
43 #include <sys/param.h>
44 #include <sys/endian.h>
45 #include <sys/eventhandler.h>
46 #include <sys/malloc.h>
47 #include <sys/module.h>
48 #include <sys/kernel.h>
49 #include <sys/bus.h>
50 #include <sys/mbuf.h>
51 #include <sys/priv.h>
52 #include <sys/rman.h>
53 #include <sys/socket.h>
54 #include <sys/sockio.h>
55 #include <sys/sockopt.h>
56 #include <sys/queue.h>
57 #include <sys/taskqueue.h>
58 #include <sys/lock.h>
59 #include <sys/mutex.h>
60 #include <sys/sysctl.h>
61 #include <sys/random.h>
62 #include <sys/firmware.h>
63 #include <sys/systm.h>
64 #include <sys/proc.h>
65 
66 #include <dev/pci/pcireg.h>
67 #include <dev/pci/pcivar.h>
68 
69 #include <net/bpf.h>
70 #include <net/ethernet.h>
71 #include <net/if.h>
72 #include <net/if_var.h>
73 #include <net/if_types.h>
74 #include <net/if_media.h>
75 #include <net/if_vlan_var.h>
76 #include <net/if_dl.h>
77 
78 #include <netinet/in.h>
79 #include <netinet/in_systm.h>
80 #include <netinet/in_var.h>
81 #include <netinet/if_ether.h>
82 #include <netinet/ip.h>
83 #include <netinet/ip6.h>
84 #include <netinet6/in6_var.h>
85 #include <netinet6/ip6_mroute.h>
86 
87 #include <netinet/udp.h>
88 #include <netinet/tcp.h>
89 #include <netinet/sctp.h>
90 #include <netinet/tcp_lro.h>
91 #include <netinet/icmp6.h>
92 
93 #include <machine/bus.h>
94 
95 #include "oce_hw.h"
96 
97 /* OCE device driver module component revision informaiton */
98 #define COMPONENT_REVISION "11.0.50.0"
99 
100 /* OCE devices supported by this driver */
101 #define PCI_VENDOR_EMULEX		0x10df	/* Emulex */
102 #define PCI_VENDOR_SERVERENGINES	0x19a2	/* ServerEngines (BE) */
103 #define PCI_PRODUCT_BE2			0x0700	/* BE2 network adapter */
104 #define PCI_PRODUCT_BE3			0x0710	/* BE3 network adapter */
105 #define PCI_PRODUCT_XE201		0xe220	/* XE201 network adapter */
106 #define PCI_PRODUCT_XE201_VF		0xe228	/* XE201 with VF in Lancer */
107 #define PCI_PRODUCT_SH			0x0720	/* Skyhawk network adapter */
108 
109 #define IS_BE(sc)	(((sc->flags & OCE_FLAGS_BE3) | \
110 			 (sc->flags & OCE_FLAGS_BE2))? 1:0)
111 #define IS_BE3(sc)	(sc->flags & OCE_FLAGS_BE3)
112 #define IS_BE2(sc)	(sc->flags & OCE_FLAGS_BE2)
113 #define IS_XE201(sc)	((sc->flags & OCE_FLAGS_XE201) ? 1:0)
114 #define HAS_A0_CHIP(sc)	((sc->flags & OCE_FLAGS_HAS_A0_CHIP) ? 1:0)
115 #define IS_SH(sc)	((sc->flags & OCE_FLAGS_SH) ? 1 : 0)
116 
117 #define is_be_mode_mc(sc)	((sc->function_mode & FNM_FLEX10_MODE) ||	\
118 				(sc->function_mode & FNM_UMC_MODE)    ||	\
119 				(sc->function_mode & FNM_VNIC_MODE))
120 #define OCE_FUNCTION_CAPS_SUPER_NIC	0x40
121 #define IS_PROFILE_SUPER_NIC(sc) (sc->function_caps & OCE_FUNCTION_CAPS_SUPER_NIC)
122 
123 /* proportion Service Level Interface queues */
124 #define OCE_MAX_UNITS			2
125 #define OCE_MAX_PPORT			OCE_MAX_UNITS
126 #define OCE_MAX_VPORT			OCE_MAX_UNITS
127 
128 extern int mp_ncpus;			/* system's total active cpu cores */
129 #define OCE_NCPUS			mp_ncpus
130 
131 /* This should be powers of 2. Like 2,4,8 & 16 */
132 #define OCE_MAX_RSS			8
133 #define OCE_LEGACY_MODE_RSS		4 /* For BE3 Legacy mode*/
134 #define is_rss_enabled(sc)		((sc->function_caps & FNC_RSS) && !is_be_mode_mc(sc))
135 
136 #define OCE_MIN_RQ			1
137 #define OCE_MIN_WQ			1
138 
139 #define OCE_MAX_RQ			OCE_MAX_RSS + 1 /* one default queue */
140 #define OCE_MAX_WQ			8
141 
142 #define OCE_MAX_EQ			32
143 #define OCE_MAX_CQ			OCE_MAX_RQ + OCE_MAX_WQ + 1 /* one MCC queue */
144 #define OCE_MAX_CQ_EQ			8 /* Max CQ that can attached to an EQ */
145 
146 #define OCE_DEFAULT_WQ_EQD		16
147 #define OCE_MAX_PACKET_Q		16
148 #define OCE_LSO_MAX_SIZE		(64 * 1024)
149 #define LONG_TIMEOUT			30
150 #define OCE_MAX_JUMBO_FRAME_SIZE	9018
151 #define OCE_MAX_MTU			(OCE_MAX_JUMBO_FRAME_SIZE - \
152 						ETHER_VLAN_ENCAP_LEN - \
153 						ETHER_HDR_LEN)
154 
155 #define OCE_RDMA_VECTORS                2
156 
157 #define OCE_MAX_TX_ELEMENTS		29
158 #define OCE_MAX_TX_DESC			1024
159 #define OCE_MAX_TX_SIZE			65535
160 #define OCE_MAX_TSO_SIZE		(65535 - ETHER_HDR_LEN)
161 #define OCE_MAX_RX_SIZE			4096
162 #define OCE_MAX_RQ_POSTS		255
163 #define OCE_HWLRO_MAX_RQ_POSTS		64
164 #define OCE_DEFAULT_PROMISCUOUS		0
165 
166 #define RSS_ENABLE_IPV4			0x1
167 #define RSS_ENABLE_TCP_IPV4		0x2
168 #define RSS_ENABLE_IPV6			0x4
169 #define RSS_ENABLE_TCP_IPV6		0x8
170 
171 #define INDIRECTION_TABLE_ENTRIES	128
172 
173 /* flow control definitions */
174 #define OCE_FC_NONE			0x00000000
175 #define OCE_FC_TX			0x00000001
176 #define OCE_FC_RX			0x00000002
177 #define OCE_DEFAULT_FLOW_CONTROL	(OCE_FC_TX | OCE_FC_RX)
178 
179 /* Interface capabilities to give device when creating interface */
180 #define  OCE_CAPAB_FLAGS 		(MBX_RX_IFACE_FLAGS_BROADCAST    | \
181 					MBX_RX_IFACE_FLAGS_UNTAGGED      | \
182 					MBX_RX_IFACE_FLAGS_PROMISCUOUS      | \
183 					MBX_RX_IFACE_FLAGS_VLAN_PROMISCUOUS |	\
184 					MBX_RX_IFACE_FLAGS_MCAST_PROMISCUOUS   | \
185 					MBX_RX_IFACE_FLAGS_RSS | \
186 					MBX_RX_IFACE_FLAGS_PASS_L3L4_ERR)
187 
188 /* Interface capabilities to enable by default (others set dynamically) */
189 #define  OCE_CAPAB_ENABLE		(MBX_RX_IFACE_FLAGS_BROADCAST | \
190 					MBX_RX_IFACE_FLAGS_UNTAGGED   | \
191 					MBX_RX_IFACE_FLAGS_PASS_L3L4_ERR)
192 
193 #define OCE_IF_HWASSIST			(CSUM_IP | CSUM_TCP | CSUM_UDP)
194 #define OCE_IF_CAPABILITIES		(IFCAP_VLAN_MTU | IFCAP_VLAN_HWTAGGING | \
195 					IFCAP_HWCSUM | IFCAP_VLAN_HWCSUM | \
196 					IFCAP_JUMBO_MTU | IFCAP_VLAN_MTU)
197 #define OCE_IF_HWASSIST_NONE		0
198 #define OCE_IF_CAPABILITIES_NONE 	0
199 
200 #define MAX_VLANFILTER_SIZE		64
201 #define MAX_VLANS			4096
202 
203 #define upper_32_bits(n)		((uint32_t)(((n) >> 16) >> 16))
204 #define BSWAP_8(x)			((x) & 0xff)
205 #define BSWAP_16(x)			((BSWAP_8(x) << 8) | BSWAP_8((x) >> 8))
206 #define BSWAP_32(x)			((BSWAP_16(x) << 16) | \
207 					 BSWAP_16((x) >> 16))
208 #define BSWAP_64(x)			((BSWAP_32(x) << 32) | \
209 					BSWAP_32((x) >> 32))
210 
211 #define for_all_wq_queues(sc, wq, i) 	\
212 		for (i = 0, wq = sc->wq[0]; i < sc->nwqs; i++, wq = sc->wq[i])
213 #define for_all_rq_queues(sc, rq, i) 	\
214 		for (i = 0, rq = sc->rq[0]; i < sc->nrqs; i++, rq = sc->rq[i])
215 #define for_all_rss_queues(sc, rq, i) 	\
216 		for (i = 0, rq = sc->rq[i + 1]; i < (sc->nrqs - 1); \
217 		     i++, rq = sc->rq[i + 1])
218 #define for_all_evnt_queues(sc, eq, i) 	\
219 		for (i = 0, eq = sc->eq[0]; i < sc->neqs; i++, eq = sc->eq[i])
220 #define for_all_cq_queues(sc, cq, i) 	\
221 		for (i = 0, cq = sc->cq[0]; i < sc->ncqs; i++, cq = sc->cq[i])
222 
223 /* Flash specific */
224 #define IOCTL_COOKIE			"SERVERENGINES CORP"
225 #define MAX_FLASH_COMP			32
226 
227 #define IMG_ISCSI			160
228 #define IMG_REDBOOT			224
229 #define IMG_BIOS			34
230 #define IMG_PXEBIOS			32
231 #define IMG_FCOEBIOS			33
232 #define IMG_ISCSI_BAK			176
233 #define IMG_FCOE			162
234 #define IMG_FCOE_BAK			178
235 #define IMG_NCSI			16
236 #define IMG_PHY				192
237 #define FLASHROM_OPER_FLASH		1
238 #define FLASHROM_OPER_SAVE		2
239 #define FLASHROM_OPER_REPORT		4
240 #define FLASHROM_OPER_FLASH_PHY		9
241 #define FLASHROM_OPER_SAVE_PHY		10
242 #define TN_8022				13
243 
244 enum {
245 	PHY_TYPE_CX4_10GB = 0,
246 	PHY_TYPE_XFP_10GB,
247 	PHY_TYPE_SFP_1GB,
248 	PHY_TYPE_SFP_PLUS_10GB,
249 	PHY_TYPE_KR_10GB,
250 	PHY_TYPE_KX4_10GB,
251 	PHY_TYPE_BASET_10GB,
252 	PHY_TYPE_BASET_1GB,
253 	PHY_TYPE_BASEX_1GB,
254 	PHY_TYPE_SGMII,
255 	PHY_TYPE_DISABLED = 255
256 };
257 
258 /**
259  * @brief Define and hold all necessary info for a single interrupt
260  */
261 #define OCE_MAX_MSI			32 /* Message Signaled Interrupts */
262 #define OCE_MAX_MSIX			2048 /* PCI Express MSI Interrrupts */
263 
264 typedef struct oce_intr_info {
265 	void *tag;		/* cookie returned by bus_setup_intr */
266 	struct resource *intr_res;	/* PCI resource container */
267 	int irq_rr;		/* resource id for the interrupt */
268 	struct oce_softc *sc;	/* pointer to the parent soft c */
269 	struct oce_eq *eq;	/* pointer to the connected EQ */
270 	struct taskqueue *tq;	/* Associated task queue */
271 	struct task task;	/* task queue task */
272 	char task_name[32];	/* task name */
273 	int vector;		/* interrupt vector number */
274 } OCE_INTR_INFO, *POCE_INTR_INFO;
275 
276 /* Ring related */
277 #define	GET_Q_NEXT(_START, _STEP, _END)	\
278 	(((_START) + (_STEP)) < (_END) ? ((_START) + (_STEP)) \
279 	: (((_START) + (_STEP)) - (_END)))
280 
281 #define	DBUF_PA(obj)			((obj)->addr)
282 #define	DBUF_VA(obj) 			((obj)->ptr)
283 #define	DBUF_TAG(obj) 			((obj)->tag)
284 #define	DBUF_MAP(obj) 			((obj)->map)
285 #define	DBUF_SYNC(obj, flags) 		\
286 		(void) bus_dmamap_sync(DBUF_TAG(obj), DBUF_MAP(obj), (flags))
287 
288 #define	RING_NUM_PENDING(ring)		ring->num_used
289 #define	RING_FULL(ring) 		(ring->num_used == ring->num_items)
290 #define	RING_EMPTY(ring) 		(ring->num_used == 0)
291 #define	RING_NUM_FREE(ring)		\
292 		(uint32_t)(ring->num_items - ring->num_used)
293 #define	RING_GET(ring, n)		\
294 		ring->cidx = GET_Q_NEXT(ring->cidx, n, ring->num_items)
295 #define	RING_PUT(ring, n)		\
296 		ring->pidx = GET_Q_NEXT(ring->pidx, n, ring->num_items)
297 
298 #define	RING_GET_CONSUMER_ITEM_VA(ring, type) 	\
299 	(void*)((type *)DBUF_VA(&ring->dma) + ring->cidx)
300 #define	RING_GET_CONSUMER_ITEM_PA(ring, type)		\
301 	(uint64_t)(((type *)DBUF_PA(ring->dbuf)) + ring->cidx)
302 #define	RING_GET_PRODUCER_ITEM_VA(ring, type)		\
303 	(void *)(((type *)DBUF_VA(&ring->dma)) + ring->pidx)
304 #define	RING_GET_PRODUCER_ITEM_PA(ring, type)		\
305 	(uint64_t)(((type *)DBUF_PA(ring->dbuf)) + ring->pidx)
306 
307 #define OCE_DMAPTR(o, c) 		((c *)(o)->ptr)
308 
309 struct oce_packet_desc {
310 	struct mbuf *mbuf;
311 	bus_dmamap_t map;
312 	int nsegs;
313 	uint32_t wqe_idx;
314 };
315 
316 typedef struct oce_dma_mem {
317 	bus_dma_tag_t tag;
318 	bus_dmamap_t map;
319 	void *ptr;
320 	bus_addr_t paddr;
321 } OCE_DMA_MEM, *POCE_DMA_MEM;
322 
323 typedef struct oce_ring_buffer_s {
324 	uint16_t cidx;	/* Get ptr */
325 	uint16_t pidx;	/* Put Ptr */
326 	size_t item_size;
327 	size_t num_items;
328 	uint32_t num_used;
329 	OCE_DMA_MEM dma;
330 } oce_ring_buffer_t;
331 
332 /* Stats */
333 #define OCE_UNICAST_PACKET	0
334 #define OCE_MULTICAST_PACKET	1
335 #define OCE_BROADCAST_PACKET	2
336 #define OCE_RSVD_PACKET		3
337 
338 struct oce_rx_stats {
339 	/* Total Receive Stats*/
340 	uint64_t t_rx_pkts;
341 	uint64_t t_rx_bytes;
342 	uint32_t t_rx_frags;
343 	uint32_t t_rx_mcast_pkts;
344 	uint32_t t_rx_ucast_pkts;
345 	uint32_t t_rxcp_errs;
346 };
347 struct oce_tx_stats {
348 	/*Total Transmit Stats */
349 	uint64_t t_tx_pkts;
350 	uint64_t t_tx_bytes;
351 	uint32_t t_tx_reqs;
352 	uint32_t t_tx_stops;
353 	uint32_t t_tx_wrbs;
354 	uint32_t t_tx_compl;
355 	uint32_t t_ipv6_ext_hdr_tx_drop;
356 };
357 
358 struct oce_be_stats {
359 	uint8_t  be_on_die_temperature;
360 	uint32_t be_tx_events;
361 	uint32_t eth_red_drops;
362 	uint32_t rx_drops_no_pbuf;
363 	uint32_t rx_drops_no_txpb;
364 	uint32_t rx_drops_no_erx_descr;
365 	uint32_t rx_drops_no_tpre_descr;
366 	uint32_t rx_drops_too_many_frags;
367 	uint32_t rx_drops_invalid_ring;
368 	uint32_t forwarded_packets;
369 	uint32_t rx_drops_mtu;
370 	uint32_t rx_crc_errors;
371 	uint32_t rx_alignment_symbol_errors;
372 	uint32_t rx_pause_frames;
373 	uint32_t rx_priority_pause_frames;
374 	uint32_t rx_control_frames;
375 	uint32_t rx_in_range_errors;
376 	uint32_t rx_out_range_errors;
377 	uint32_t rx_frame_too_long;
378 	uint32_t rx_address_match_errors;
379 	uint32_t rx_dropped_too_small;
380 	uint32_t rx_dropped_too_short;
381 	uint32_t rx_dropped_header_too_small;
382 	uint32_t rx_dropped_tcp_length;
383 	uint32_t rx_dropped_runt;
384 	uint32_t rx_ip_checksum_errs;
385 	uint32_t rx_tcp_checksum_errs;
386 	uint32_t rx_udp_checksum_errs;
387 	uint32_t rx_switched_unicast_packets;
388 	uint32_t rx_switched_multicast_packets;
389 	uint32_t rx_switched_broadcast_packets;
390 	uint32_t tx_pauseframes;
391 	uint32_t tx_priority_pauseframes;
392 	uint32_t tx_controlframes;
393 	uint32_t rxpp_fifo_overflow_drop;
394 	uint32_t rx_input_fifo_overflow_drop;
395 	uint32_t pmem_fifo_overflow_drop;
396 	uint32_t jabber_events;
397 };
398 
399 struct oce_xe201_stats {
400 	uint64_t tx_pkts;
401 	uint64_t tx_unicast_pkts;
402 	uint64_t tx_multicast_pkts;
403 	uint64_t tx_broadcast_pkts;
404 	uint64_t tx_bytes;
405 	uint64_t tx_unicast_bytes;
406 	uint64_t tx_multicast_bytes;
407 	uint64_t tx_broadcast_bytes;
408 	uint64_t tx_discards;
409 	uint64_t tx_errors;
410 	uint64_t tx_pause_frames;
411 	uint64_t tx_pause_on_frames;
412 	uint64_t tx_pause_off_frames;
413 	uint64_t tx_internal_mac_errors;
414 	uint64_t tx_control_frames;
415 	uint64_t tx_pkts_64_bytes;
416 	uint64_t tx_pkts_65_to_127_bytes;
417 	uint64_t tx_pkts_128_to_255_bytes;
418 	uint64_t tx_pkts_256_to_511_bytes;
419 	uint64_t tx_pkts_512_to_1023_bytes;
420 	uint64_t tx_pkts_1024_to_1518_bytes;
421 	uint64_t tx_pkts_1519_to_2047_bytes;
422 	uint64_t tx_pkts_2048_to_4095_bytes;
423 	uint64_t tx_pkts_4096_to_8191_bytes;
424 	uint64_t tx_pkts_8192_to_9216_bytes;
425 	uint64_t tx_lso_pkts;
426 	uint64_t rx_pkts;
427 	uint64_t rx_unicast_pkts;
428 	uint64_t rx_multicast_pkts;
429 	uint64_t rx_broadcast_pkts;
430 	uint64_t rx_bytes;
431 	uint64_t rx_unicast_bytes;
432 	uint64_t rx_multicast_bytes;
433 	uint64_t rx_broadcast_bytes;
434 	uint32_t rx_unknown_protos;
435 	uint64_t rx_discards;
436 	uint64_t rx_errors;
437 	uint64_t rx_crc_errors;
438 	uint64_t rx_alignment_errors;
439 	uint64_t rx_symbol_errors;
440 	uint64_t rx_pause_frames;
441 	uint64_t rx_pause_on_frames;
442 	uint64_t rx_pause_off_frames;
443 	uint64_t rx_frames_too_long;
444 	uint64_t rx_internal_mac_errors;
445 	uint32_t rx_undersize_pkts;
446 	uint32_t rx_oversize_pkts;
447 	uint32_t rx_fragment_pkts;
448 	uint32_t rx_jabbers;
449 	uint64_t rx_control_frames;
450 	uint64_t rx_control_frames_unknown_opcode;
451 	uint32_t rx_in_range_errors;
452 	uint32_t rx_out_of_range_errors;
453 	uint32_t rx_address_match_errors;
454 	uint32_t rx_vlan_mismatch_errors;
455 	uint32_t rx_dropped_too_small;
456 	uint32_t rx_dropped_too_short;
457 	uint32_t rx_dropped_header_too_small;
458 	uint32_t rx_dropped_invalid_tcp_length;
459 	uint32_t rx_dropped_runt;
460 	uint32_t rx_ip_checksum_errors;
461 	uint32_t rx_tcp_checksum_errors;
462 	uint32_t rx_udp_checksum_errors;
463 	uint32_t rx_non_rss_pkts;
464 	uint64_t rx_ipv4_pkts;
465 	uint64_t rx_ipv6_pkts;
466 	uint64_t rx_ipv4_bytes;
467 	uint64_t rx_ipv6_bytes;
468 	uint64_t rx_nic_pkts;
469 	uint64_t rx_tcp_pkts;
470 	uint64_t rx_iscsi_pkts;
471 	uint64_t rx_management_pkts;
472 	uint64_t rx_switched_unicast_pkts;
473 	uint64_t rx_switched_multicast_pkts;
474 	uint64_t rx_switched_broadcast_pkts;
475 	uint64_t num_forwards;
476 	uint32_t rx_fifo_overflow;
477 	uint32_t rx_input_fifo_overflow;
478 	uint64_t rx_drops_too_many_frags;
479 	uint32_t rx_drops_invalid_queue;
480 	uint64_t rx_drops_mtu;
481 	uint64_t rx_pkts_64_bytes;
482 	uint64_t rx_pkts_65_to_127_bytes;
483 	uint64_t rx_pkts_128_to_255_bytes;
484 	uint64_t rx_pkts_256_to_511_bytes;
485 	uint64_t rx_pkts_512_to_1023_bytes;
486 	uint64_t rx_pkts_1024_to_1518_bytes;
487 	uint64_t rx_pkts_1519_to_2047_bytes;
488 	uint64_t rx_pkts_2048_to_4095_bytes;
489 	uint64_t rx_pkts_4096_to_8191_bytes;
490 	uint64_t rx_pkts_8192_to_9216_bytes;
491 };
492 
493 struct oce_drv_stats {
494 	struct oce_rx_stats rx;
495 	struct oce_tx_stats tx;
496 	union {
497 		struct oce_be_stats be;
498 		struct oce_xe201_stats xe201;
499 	} u0;
500 };
501 
502 #define INTR_RATE_HWM                   15000
503 #define INTR_RATE_LWM                   10000
504 
505 #define OCE_MAX_EQD 128u
506 #define OCE_MIN_EQD 0u
507 
508 struct oce_set_eqd {
509 	uint32_t eq_id;
510 	uint32_t phase;
511 	uint32_t delay_multiplier;
512 };
513 
514 struct oce_aic_obj {             /* Adaptive interrupt coalescing (AIC) info */
515 	boolean_t enable;
516 	uint32_t  min_eqd;            /* in usecs */
517 	uint32_t  max_eqd;            /* in usecs */
518 	uint32_t  cur_eqd;            /* in usecs */
519 	uint32_t  et_eqd;             /* configured value when aic is off */
520 	uint64_t  ticks;
521 	uint64_t  prev_rxpkts;
522 	uint64_t  prev_txreqs;
523 };
524 
525 #define MAX_LOCK_DESC_LEN			32
526 struct oce_lock {
527 	struct mtx mutex;
528 	char name[MAX_LOCK_DESC_LEN+1];
529 };
530 #define OCE_LOCK				struct oce_lock
531 
532 #define LOCK_CREATE(lock, desc) 		{ \
533 	strncpy((lock)->name, (desc), MAX_LOCK_DESC_LEN); \
534 	(lock)->name[MAX_LOCK_DESC_LEN] = '\0'; \
535 	mtx_init(&(lock)->mutex, (lock)->name, NULL, MTX_DEF); \
536 }
537 #define LOCK_DESTROY(lock) 			\
538 		if (mtx_initialized(&(lock)->mutex))\
539 			mtx_destroy(&(lock)->mutex)
540 #define TRY_LOCK(lock)				mtx_trylock(&(lock)->mutex)
541 #define LOCK(lock)				mtx_lock(&(lock)->mutex)
542 #define LOCKED(lock)				mtx_owned(&(lock)->mutex)
543 #define UNLOCK(lock)				mtx_unlock(&(lock)->mutex)
544 
545 #define	DEFAULT_MQ_MBOX_TIMEOUT			(5 * 1000 * 1000)
546 #define	MBX_READY_TIMEOUT			(1 * 1000 * 1000)
547 #define	DEFAULT_DRAIN_TIME			200
548 #define	MBX_TIMEOUT_SEC				5
549 #define	STAT_TIMEOUT				2000000
550 
551 /* size of the packet descriptor array in a transmit queue */
552 #define OCE_TX_RING_SIZE			2048
553 #define OCE_RX_RING_SIZE			1024
554 #define OCE_WQ_PACKET_ARRAY_SIZE		(OCE_TX_RING_SIZE/2)
555 #define OCE_RQ_PACKET_ARRAY_SIZE		(OCE_RX_RING_SIZE)
556 
557 struct oce_dev;
558 
559 enum eq_len {
560 	EQ_LEN_256  = 256,
561 	EQ_LEN_512  = 512,
562 	EQ_LEN_1024 = 1024,
563 	EQ_LEN_2048 = 2048,
564 	EQ_LEN_4096 = 4096
565 };
566 
567 enum eqe_size {
568 	EQE_SIZE_4  = 4,
569 	EQE_SIZE_16 = 16
570 };
571 
572 enum qtype {
573 	QTYPE_EQ,
574 	QTYPE_MQ,
575 	QTYPE_WQ,
576 	QTYPE_RQ,
577 	QTYPE_CQ,
578 	QTYPE_RSS
579 };
580 
581 typedef enum qstate_e {
582 	QDELETED = 0x0,
583 	QCREATED = 0x1
584 } qstate_t;
585 
586 struct eq_config {
587 	enum eq_len q_len;
588 	enum eqe_size item_size;
589 	uint32_t q_vector_num;
590 	uint8_t min_eqd;
591 	uint8_t max_eqd;
592 	uint8_t cur_eqd;
593 	uint8_t pad;
594 };
595 
596 struct oce_eq {
597 	uint32_t eq_id;
598 	void *parent;
599 	void *cb_context;
600 	oce_ring_buffer_t *ring;
601 	uint32_t ref_count;
602 	qstate_t qstate;
603 	struct oce_cq *cq[OCE_MAX_CQ_EQ];
604 	int cq_valid;
605 	struct eq_config eq_cfg;
606 	int vector;
607 	uint64_t intr;
608 };
609 
610 enum cq_len {
611 	CQ_LEN_256  = 256,
612 	CQ_LEN_512  = 512,
613 	CQ_LEN_1024 = 1024,
614 	CQ_LEN_2048 = 2048
615 };
616 
617 struct cq_config {
618 	enum cq_len q_len;
619 	uint32_t item_size;
620 	boolean_t is_eventable;
621 	boolean_t sol_eventable;
622 	boolean_t nodelay;
623 	uint16_t dma_coalescing;
624 };
625 
626 typedef uint16_t(*cq_handler_t) (void *arg1);
627 
628 struct oce_cq {
629 	uint32_t cq_id;
630 	void *parent;
631 	struct oce_eq *eq;
632 	cq_handler_t cq_handler;
633 	void *cb_arg;
634 	oce_ring_buffer_t *ring;
635 	qstate_t qstate;
636 	struct cq_config cq_cfg;
637 	uint32_t ref_count;
638 };
639 
640 struct mq_config {
641 	uint32_t eqd;
642 	uint8_t q_len;
643 	uint8_t pad[3];
644 };
645 
646 struct oce_mq {
647 	void *parent;
648 	oce_ring_buffer_t *ring;
649 	uint32_t mq_id;
650 	struct oce_cq *cq;
651 	struct oce_cq *async_cq;
652 	uint32_t mq_free;
653 	qstate_t qstate;
654 	struct mq_config cfg;
655 };
656 
657 struct oce_mbx_ctx {
658 	struct oce_mbx *mbx;
659 	void (*cb) (void *ctx);
660 	void *cb_ctx;
661 };
662 
663 struct wq_config {
664 	uint8_t wq_type;
665 	uint16_t buf_size;
666 	uint8_t pad[1];
667 	uint32_t q_len;
668 	uint16_t pd_id;
669 	uint16_t pci_fn_num;
670 	uint32_t eqd;	/* interrupt delay */
671 	uint32_t nbufs;
672 	uint32_t nhdl;
673 };
674 
675 struct oce_tx_queue_stats {
676 	uint64_t tx_pkts;
677 	uint64_t tx_bytes;
678 	uint32_t tx_reqs;
679 	uint32_t tx_stops; /* number of times TX Q was stopped */
680 	uint32_t tx_wrbs;
681 	uint32_t tx_compl;
682 	uint32_t tx_rate;
683 	uint32_t ipv6_ext_hdr_tx_drop;
684 };
685 
686 struct oce_wq {
687 	OCE_LOCK tx_lock;
688 	OCE_LOCK tx_compl_lock;
689 	void *parent;
690 	oce_ring_buffer_t *ring;
691 	struct oce_cq *cq;
692 	bus_dma_tag_t tag;
693 	struct oce_packet_desc pckts[OCE_WQ_PACKET_ARRAY_SIZE];
694 	uint32_t pkt_desc_tail;
695 	uint32_t pkt_desc_head;
696 	uint32_t wqm_used;
697 	boolean_t resched;
698 	uint32_t wq_free;
699 	uint32_t tx_deferd;
700 	uint32_t pkt_drops;
701 	qstate_t qstate;
702 	uint16_t wq_id;
703 	struct wq_config cfg;
704 	int queue_index;
705 	struct oce_tx_queue_stats tx_stats;
706 	struct buf_ring *br;
707 	struct task txtask;
708 	uint32_t db_offset;
709 };
710 
711 struct rq_config {
712 	uint32_t q_len;
713 	uint32_t frag_size;
714 	uint32_t mtu;
715 	uint32_t if_id;
716 	uint32_t is_rss_queue;
717 	uint32_t eqd;
718 	uint32_t nbufs;
719 };
720 
721 struct oce_rx_queue_stats {
722 	uint32_t rx_post_fail;
723 	uint32_t rx_ucast_pkts;
724 	uint32_t rx_compl;
725 	uint64_t rx_bytes;
726 	uint64_t rx_bytes_prev;
727 	uint64_t rx_pkts;
728 	uint32_t rx_rate;
729 	uint32_t rx_mcast_pkts;
730 	uint32_t rxcp_err;
731 	uint32_t rx_frags;
732 	uint32_t prev_rx_frags;
733 	uint32_t rx_fps;
734 	uint32_t rx_drops_no_frags;  /* HW has no fetched frags */
735 };
736 
737 struct oce_rq {
738 	struct rq_config cfg;
739 	uint32_t rq_id;
740 	int queue_index;
741 	uint32_t rss_cpuid;
742 	void *parent;
743 	oce_ring_buffer_t *ring;
744 	struct oce_cq *cq;
745 	void *pad1;
746 	bus_dma_tag_t tag;
747 	struct oce_packet_desc pckts[OCE_RQ_PACKET_ARRAY_SIZE];
748 	uint32_t pending;
749 #ifdef notdef
750 	struct mbuf *head;
751 	struct mbuf *tail;
752 	int fragsleft;
753 #endif
754 	qstate_t qstate;
755 	OCE_LOCK rx_lock;
756 	struct oce_rx_queue_stats rx_stats;
757 	struct lro_ctrl lro;
758 	int lro_pkts_queued;
759 	int islro;
760 	struct nic_hwlro_cqe_part1 *cqe_firstpart;
761 
762 };
763 
764 struct link_status {
765 	uint8_t phys_port_speed;
766 	uint8_t logical_link_status;
767 	uint16_t qos_link_speed;
768 };
769 
770 #define OCE_FLAGS_PCIX			0x00000001
771 #define OCE_FLAGS_PCIE			0x00000002
772 #define OCE_FLAGS_MSI_CAPABLE		0x00000004
773 #define OCE_FLAGS_MSIX_CAPABLE		0x00000008
774 #define OCE_FLAGS_USING_MSI		0x00000010
775 #define OCE_FLAGS_USING_MSIX		0x00000020
776 #define OCE_FLAGS_FUNCRESET_RQD		0x00000040
777 #define OCE_FLAGS_VIRTUAL_PORT		0x00000080
778 #define OCE_FLAGS_MBOX_ENDIAN_RQD	0x00000100
779 #define OCE_FLAGS_BE3			0x00000200
780 #define OCE_FLAGS_XE201			0x00000400
781 #define OCE_FLAGS_BE2			0x00000800
782 #define OCE_FLAGS_SH			0x00001000
783 #define	OCE_FLAGS_OS2BMC		0x00002000
784 
785 #define OCE_DEV_BE2_CFG_BAR		1
786 #define OCE_DEV_CFG_BAR			0
787 #define OCE_PCI_CSR_BAR			2
788 #define OCE_PCI_DB_BAR			4
789 
790 typedef struct oce_softc {
791 	device_t dev;
792 	OCE_LOCK dev_lock;
793 
794 	uint32_t flags;
795 
796 	uint32_t pcie_link_speed;
797 	uint32_t pcie_link_width;
798 
799 	uint8_t fn; /* PCI function number */
800 
801 	struct resource *devcfg_res;
802 	bus_space_tag_t devcfg_btag;
803 	bus_space_handle_t devcfg_bhandle;
804 	void *devcfg_vhandle;
805 
806 	struct resource *csr_res;
807 	bus_space_tag_t csr_btag;
808 	bus_space_handle_t csr_bhandle;
809 	void *csr_vhandle;
810 
811 	struct resource *db_res;
812 	bus_space_tag_t db_btag;
813 	bus_space_handle_t db_bhandle;
814 	void *db_vhandle;
815 
816 	OCE_INTR_INFO intrs[OCE_MAX_EQ];
817 	int intr_count;
818         int roce_intr_count;
819 
820 	struct ifnet *ifp;
821 
822 	struct ifmedia media;
823 	uint8_t link_status;
824 	uint8_t link_speed;
825 	uint8_t duplex;
826 	uint32_t qos_link_speed;
827 	uint32_t speed;
828 	uint32_t enable_hwlro;
829 
830 	char fw_version[32];
831 	struct mac_address_format macaddr;
832 
833 	OCE_DMA_MEM bsmbx;
834 	OCE_LOCK bmbx_lock;
835 
836 	uint32_t config_number;
837 	uint32_t asic_revision;
838 	uint32_t port_id;
839 	uint32_t function_mode;
840 	uint32_t function_caps;
841 	uint32_t max_tx_rings;
842 	uint32_t max_rx_rings;
843 
844 	struct oce_wq *wq[OCE_MAX_WQ];	/* TX work queues */
845 	struct oce_rq *rq[OCE_MAX_RQ];	/* RX work queues */
846 	struct oce_cq *cq[OCE_MAX_CQ];	/* Completion queues */
847 	struct oce_eq *eq[OCE_MAX_EQ];	/* Event queues */
848 	struct oce_mq *mq;		/* Mailbox queue */
849 
850 	uint32_t neqs;
851 	uint32_t ncqs;
852 	uint32_t nrqs;
853 	uint32_t nwqs;
854 	uint32_t nrssqs;
855 
856 	uint32_t tx_ring_size;
857 	uint32_t rx_ring_size;
858 	uint32_t rq_frag_size;
859 
860 	uint32_t if_id;		/* interface ID */
861 	uint32_t nifs;		/* number of adapter interfaces, 0 or 1 */
862 	uint32_t pmac_id;	/* PMAC id */
863 
864 	uint32_t if_cap_flags;
865 
866 	uint32_t flow_control;
867 	uint8_t  promisc;
868 
869 	struct oce_aic_obj aic_obj[OCE_MAX_EQ];
870 
871 	/*Vlan Filtering related */
872 	eventhandler_tag vlan_attach;
873 	eventhandler_tag vlan_detach;
874 	uint16_t vlans_added;
875 	uint8_t vlan_tag[MAX_VLANS];
876 	/*stats */
877 	OCE_DMA_MEM stats_mem;
878 	struct oce_drv_stats oce_stats_info;
879 	struct callout  timer;
880 	int8_t be3_native;
881 	uint8_t hw_error;
882 	uint16_t qnq_debug_event;
883 	uint16_t qnqid;
884 	uint32_t pvid;
885 	uint32_t max_vlans;
886 	uint32_t bmc_filt_mask;
887 
888         void *rdma_context;
889         uint32_t rdma_flags;
890         struct oce_softc *next;
891 
892 } OCE_SOFTC, *POCE_SOFTC;
893 
894 #define OCE_RDMA_FLAG_SUPPORTED         0x00000001
895 
896 /**************************************************
897  * BUS memory read/write macros
898  * BE3: accesses three BAR spaces (CFG, CSR, DB)
899  * Lancer: accesses one BAR space (CFG)
900  **************************************************/
901 #define OCE_READ_CSR_MPU(sc, space, o) \
902 	((IS_BE(sc)) ? (bus_space_read_4((sc)->space##_btag, \
903 					(sc)->space##_bhandle,o)) \
904 				: (bus_space_read_4((sc)->devcfg_btag, \
905 					(sc)->devcfg_bhandle,o)))
906 #define OCE_READ_REG32(sc, space, o) \
907 	((IS_BE(sc) || IS_SH(sc)) ? (bus_space_read_4((sc)->space##_btag, \
908 					(sc)->space##_bhandle,o)) \
909 				: (bus_space_read_4((sc)->devcfg_btag, \
910 					(sc)->devcfg_bhandle,o)))
911 #define OCE_READ_REG16(sc, space, o) \
912 	((IS_BE(sc) || IS_SH(sc)) ? (bus_space_read_2((sc)->space##_btag, \
913 					(sc)->space##_bhandle,o)) \
914 				: (bus_space_read_2((sc)->devcfg_btag, \
915 					(sc)->devcfg_bhandle,o)))
916 #define OCE_READ_REG8(sc, space, o) \
917 	((IS_BE(sc) || IS_SH(sc)) ? (bus_space_read_1((sc)->space##_btag, \
918 					(sc)->space##_bhandle,o)) \
919 				: (bus_space_read_1((sc)->devcfg_btag, \
920 					(sc)->devcfg_bhandle,o)))
921 
922 #define OCE_WRITE_CSR_MPU(sc, space, o, v) \
923 	((IS_BE(sc)) ? (bus_space_write_4((sc)->space##_btag, \
924 				       (sc)->space##_bhandle,o,v)) \
925 				: (bus_space_write_4((sc)->devcfg_btag, \
926 					(sc)->devcfg_bhandle,o,v)))
927 #define OCE_WRITE_REG32(sc, space, o, v) \
928 	((IS_BE(sc) || IS_SH(sc)) ? (bus_space_write_4((sc)->space##_btag, \
929 				       (sc)->space##_bhandle,o,v)) \
930 				: (bus_space_write_4((sc)->devcfg_btag, \
931 					(sc)->devcfg_bhandle,o,v)))
932 #define OCE_WRITE_REG16(sc, space, o, v) \
933 	((IS_BE(sc) || IS_SH(sc)) ? (bus_space_write_2((sc)->space##_btag, \
934 				       (sc)->space##_bhandle,o,v)) \
935 				: (bus_space_write_2((sc)->devcfg_btag, \
936 					(sc)->devcfg_bhandle,o,v)))
937 #define OCE_WRITE_REG8(sc, space, o, v) \
938 	((IS_BE(sc) || IS_SH(sc)) ? (bus_space_write_1((sc)->space##_btag, \
939 				       (sc)->space##_bhandle,o,v)) \
940 				: (bus_space_write_1((sc)->devcfg_btag, \
941 					(sc)->devcfg_bhandle,o,v)))
942 
943 void oce_rx_flush_lro(struct oce_rq *rq);
944 /***********************************************************
945  * DMA memory functions
946  ***********************************************************/
947 #define oce_dma_sync(d, f)		bus_dmamap_sync((d)->tag, (d)->map, f)
948 int oce_dma_alloc(POCE_SOFTC sc, bus_size_t size, POCE_DMA_MEM dma, int flags);
949 void oce_dma_free(POCE_SOFTC sc, POCE_DMA_MEM dma);
950 void oce_dma_map_addr(void *arg, bus_dma_segment_t * segs, int nseg, int error);
951 void oce_destroy_ring_buffer(POCE_SOFTC sc, oce_ring_buffer_t *ring);
952 oce_ring_buffer_t *oce_create_ring_buffer(POCE_SOFTC sc,
953 					  uint32_t q_len, uint32_t num_entries);
954 /************************************************************
955  * oce_hw_xxx functions
956  ************************************************************/
957 int oce_clear_rx_buf(struct oce_rq *rq);
958 int oce_hw_pci_alloc(POCE_SOFTC sc);
959 int oce_hw_init(POCE_SOFTC sc);
960 int oce_hw_start(POCE_SOFTC sc);
961 int oce_create_nw_interface(POCE_SOFTC sc);
962 int oce_pci_soft_reset(POCE_SOFTC sc);
963 int oce_hw_update_multicast(POCE_SOFTC sc);
964 void oce_delete_nw_interface(POCE_SOFTC sc);
965 void oce_hw_shutdown(POCE_SOFTC sc);
966 void oce_hw_intr_enable(POCE_SOFTC sc);
967 void oce_hw_intr_disable(POCE_SOFTC sc);
968 void oce_hw_pci_free(POCE_SOFTC sc);
969 
970 /***********************************************************
971  * oce_queue_xxx functions
972  ***********************************************************/
973 int oce_queue_init_all(POCE_SOFTC sc);
974 int oce_start_rq(struct oce_rq *rq);
975 int oce_start_wq(struct oce_wq *wq);
976 int oce_start_mq(struct oce_mq *mq);
977 int oce_start_rx(POCE_SOFTC sc);
978 void oce_arm_eq(POCE_SOFTC sc,
979 		int16_t qid, int npopped, uint32_t rearm, uint32_t clearint);
980 void oce_queue_release_all(POCE_SOFTC sc);
981 void oce_arm_cq(POCE_SOFTC sc, int16_t qid, int npopped, uint32_t rearm);
982 void oce_drain_eq(struct oce_eq *eq);
983 void oce_drain_mq_cq(void *arg);
984 void oce_drain_rq_cq(struct oce_rq *rq);
985 void oce_drain_wq_cq(struct oce_wq *wq);
986 
987 uint32_t oce_page_list(oce_ring_buffer_t *ring, struct phys_addr *pa_list);
988 
989 /***********************************************************
990  * cleanup  functions
991  ***********************************************************/
992 void oce_stop_rx(POCE_SOFTC sc);
993 void oce_discard_rx_comp(struct oce_rq *rq, int num_frags);
994 void oce_rx_cq_clean(struct oce_rq *rq);
995 void oce_rx_cq_clean_hwlro(struct oce_rq *rq);
996 void oce_intr_free(POCE_SOFTC sc);
997 void oce_free_posted_rxbuf(struct oce_rq *rq);
998 #if defined(INET6) || defined(INET)
999 void oce_free_lro(POCE_SOFTC sc);
1000 #endif
1001 
1002 /************************************************************
1003  * Mailbox functions
1004  ************************************************************/
1005 int oce_fw_clean(POCE_SOFTC sc);
1006 int oce_wait_ready(POCE_SOFTC sc);
1007 int oce_reset_fun(POCE_SOFTC sc);
1008 int oce_mbox_init(POCE_SOFTC sc);
1009 int oce_mbox_dispatch(POCE_SOFTC sc, uint32_t tmo_sec);
1010 int oce_get_fw_version(POCE_SOFTC sc);
1011 int oce_first_mcc_cmd(POCE_SOFTC sc);
1012 
1013 int oce_read_mac_addr(POCE_SOFTC sc, uint32_t if_id, uint8_t perm,
1014 			uint8_t type, struct mac_address_format *mac);
1015 int oce_get_fw_config(POCE_SOFTC sc);
1016 int oce_if_create(POCE_SOFTC sc, uint32_t cap_flags, uint32_t en_flags,
1017 		uint16_t vlan_tag, uint8_t *mac_addr, uint32_t *if_id);
1018 int oce_if_del(POCE_SOFTC sc, uint32_t if_id);
1019 int oce_config_vlan(POCE_SOFTC sc, uint32_t if_id,
1020 		struct normal_vlan *vtag_arr, uint8_t vtag_cnt,
1021 		uint32_t untagged, uint32_t enable_promisc);
1022 int oce_set_flow_control(POCE_SOFTC sc, uint32_t flow_control);
1023 int oce_config_nic_rss(POCE_SOFTC sc, uint32_t if_id, uint16_t enable_rss);
1024 int oce_rxf_set_promiscuous(POCE_SOFTC sc, uint8_t enable);
1025 int oce_set_common_iface_rx_filter(POCE_SOFTC sc, POCE_DMA_MEM sgl);
1026 int oce_get_link_status(POCE_SOFTC sc, struct link_status *link);
1027 int oce_mbox_get_nic_stats_v0(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem);
1028 int oce_mbox_get_nic_stats_v1(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem);
1029 int oce_mbox_get_nic_stats_v2(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem);
1030 int oce_mbox_get_pport_stats(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem,
1031 				uint32_t reset_stats);
1032 int oce_mbox_get_vport_stats(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem,
1033 				uint32_t req_size, uint32_t reset_stats);
1034 int oce_update_multicast(POCE_SOFTC sc, POCE_DMA_MEM pdma_mem);
1035 int oce_pass_through_mbox(POCE_SOFTC sc, POCE_DMA_MEM dma_mem, uint32_t req_size);
1036 int oce_mbox_macaddr_del(POCE_SOFTC sc, uint32_t if_id, uint32_t pmac_id);
1037 int oce_mbox_macaddr_add(POCE_SOFTC sc, uint8_t *mac_addr,
1038 		uint32_t if_id, uint32_t *pmac_id);
1039 int oce_mbox_cmd_test_loopback(POCE_SOFTC sc, uint32_t port_num,
1040 	uint32_t loopback_type, uint32_t pkt_size, uint32_t num_pkts,
1041 	uint64_t pattern);
1042 
1043 int oce_mbox_cmd_set_loopback(POCE_SOFTC sc, uint8_t port_num,
1044 	uint8_t loopback_type, uint8_t enable);
1045 
1046 int oce_mbox_check_native_mode(POCE_SOFTC sc);
1047 int oce_mbox_post(POCE_SOFTC sc,
1048 		  struct oce_mbx *mbx, struct oce_mbx_ctx *mbxctx);
1049 int oce_mbox_write_flashrom(POCE_SOFTC sc, uint32_t optype,uint32_t opcode,
1050 				POCE_DMA_MEM pdma_mem, uint32_t num_bytes);
1051 int oce_mbox_lancer_write_flashrom(POCE_SOFTC sc, uint32_t data_size,
1052 			uint32_t data_offset,POCE_DMA_MEM pdma_mem,
1053 			uint32_t *written_data, uint32_t *additional_status);
1054 
1055 int oce_mbox_get_flashrom_crc(POCE_SOFTC sc, uint8_t *flash_crc,
1056 				uint32_t offset, uint32_t optype);
1057 int oce_mbox_get_phy_info(POCE_SOFTC sc, struct oce_phy_info *phy_info);
1058 int oce_mbox_create_rq(struct oce_rq *rq);
1059 int oce_mbox_create_wq(struct oce_wq *wq);
1060 int oce_mbox_create_eq(struct oce_eq *eq);
1061 int oce_mbox_cq_create(struct oce_cq *cq, uint32_t ncoalesce,
1062 			 uint32_t is_eventable);
1063 int oce_mbox_read_transrecv_data(POCE_SOFTC sc, uint32_t page_num);
1064 void oce_mbox_eqd_modify_periodic(POCE_SOFTC sc, struct oce_set_eqd *set_eqd,
1065 					int num);
1066 int oce_get_profile_config(POCE_SOFTC sc, uint32_t max_rss);
1067 int oce_get_func_config(POCE_SOFTC sc);
1068 void mbx_common_req_hdr_init(struct mbx_hdr *hdr,
1069 			     uint8_t dom,
1070 			     uint8_t port,
1071 			     uint8_t subsys,
1072 			     uint8_t opcode,
1073 			     uint32_t timeout, uint32_t pyld_len,
1074 			     uint8_t version);
1075 
1076 uint16_t oce_mq_handler(void *arg);
1077 
1078 /************************************************************
1079  * Transmit functions
1080  ************************************************************/
1081 uint16_t oce_wq_handler(void *arg);
1082 void	 oce_start(struct ifnet *ifp);
1083 void	 oce_tx_task(void *arg, int npending);
1084 
1085 /************************************************************
1086  * Receive functions
1087  ************************************************************/
1088 int	 oce_alloc_rx_bufs(struct oce_rq *rq, int count);
1089 uint16_t oce_rq_handler(void *arg);
1090 
1091 /* Sysctl functions */
1092 void oce_add_sysctls(POCE_SOFTC sc);
1093 void oce_refresh_queue_stats(POCE_SOFTC sc);
1094 int  oce_refresh_nic_stats(POCE_SOFTC sc);
1095 int  oce_stats_init(POCE_SOFTC sc);
1096 void oce_stats_free(POCE_SOFTC sc);
1097 
1098 /* hw lro functions */
1099 int oce_mbox_nic_query_lro_capabilities(POCE_SOFTC sc, uint32_t *lro_rq_cnt, uint32_t *lro_flags);
1100 int oce_mbox_nic_set_iface_lro_config(POCE_SOFTC sc, int enable);
1101 int oce_mbox_create_rq_v2(struct oce_rq *rq);
1102 
1103 /* Capabilities */
1104 #define OCE_MODCAP_RSS			1
1105 #define OCE_MAX_RSP_HANDLED		64
1106 extern uint32_t oce_max_rsp_handled;	/* max responses */
1107 extern uint32_t oce_rq_buf_size;
1108 
1109 #define OCE_MAC_LOOPBACK		0x0
1110 #define OCE_PHY_LOOPBACK		0x1
1111 #define OCE_ONE_PORT_EXT_LOOPBACK	0x2
1112 #define OCE_NO_LOOPBACK			0xff
1113 
1114 #undef IFM_40G_SR4
1115 #define IFM_40G_SR4			28
1116 
1117 #define atomic_inc_32(x)		atomic_add_32(x, 1)
1118 #define atomic_dec_32(x)		atomic_subtract_32(x, 1)
1119 
1120 #define LE_64(x)			htole64(x)
1121 #define LE_32(x)			htole32(x)
1122 #define LE_16(x)			htole16(x)
1123 #define HOST_64(x)			le64toh(x)
1124 #define HOST_32(x)			le32toh(x)
1125 #define HOST_16(x)			le16toh(x)
1126 #define DW_SWAP(x, l)
1127 #define IS_ALIGNED(x,a)			((x % a) == 0)
1128 #define ADDR_HI(x)			((uint32_t)((uint64_t)(x) >> 32))
1129 #define ADDR_LO(x)			((uint32_t)((uint64_t)(x) & 0xffffffff));
1130 
1131 #define IF_LRO_ENABLED(sc)  (((sc)->ifp->if_capenable & IFCAP_LRO) ? 1:0)
1132 #define IF_LSO_ENABLED(sc)  (((sc)->ifp->if_capenable & IFCAP_TSO4) ? 1:0)
1133 #define IF_CSUM_ENABLED(sc) (((sc)->ifp->if_capenable & IFCAP_HWCSUM) ? 1:0)
1134 
1135 #define OCE_LOG2(x) 			(oce_highbit(x))
1136 static inline uint32_t oce_highbit(uint32_t x)
1137 {
1138 	int i;
1139 	int c;
1140 	int b;
1141 
1142 	c = 0;
1143 	b = 0;
1144 
1145 	for (i = 0; i < 32; i++) {
1146 		if ((1 << i) & x) {
1147 			c++;
1148 			b = i;
1149 		}
1150 	}
1151 
1152 	if (c == 1)
1153 		return b;
1154 
1155 	return 0;
1156 }
1157 
1158 static inline int MPU_EP_SEMAPHORE(POCE_SOFTC sc)
1159 {
1160 	if (IS_BE(sc))
1161 		return MPU_EP_SEMAPHORE_BE3;
1162 	else if (IS_SH(sc))
1163 		return MPU_EP_SEMAPHORE_SH;
1164 	else
1165 		return MPU_EP_SEMAPHORE_XE201;
1166 }
1167 
1168 #define TRANSCEIVER_DATA_NUM_ELE 64
1169 #define TRANSCEIVER_DATA_SIZE 256
1170 #define TRANSCEIVER_A0_SIZE 128
1171 #define TRANSCEIVER_A2_SIZE 128
1172 #define PAGE_NUM_A0 0xa0
1173 #define PAGE_NUM_A2 0xa2
1174 #define IS_QNQ_OR_UMC(sc) ((sc->pvid && (sc->function_mode & FNM_UMC_MODE ))\
1175 		     || (sc->qnqid && (sc->function_mode & FNM_FLEX10_MODE)))
1176 extern uint8_t sfp_vpd_dump_buffer[TRANSCEIVER_DATA_SIZE];
1177 
1178 struct oce_rdma_info;
1179 extern struct oce_rdma_if *oce_rdma_if;
1180 
1181 /* OS2BMC related */
1182 
1183 #define DHCP_CLIENT_PORT        68
1184 #define DHCP_SERVER_PORT        67
1185 #define NET_BIOS_PORT1          137
1186 #define NET_BIOS_PORT2          138
1187 #define DHCPV6_RAS_PORT         547
1188 
1189 #define BMC_FILT_BROADCAST_ARP                          ((uint32_t)(1))
1190 #define BMC_FILT_BROADCAST_DHCP_CLIENT                  ((uint32_t)(1 << 1))
1191 #define BMC_FILT_BROADCAST_DHCP_SERVER                  ((uint32_t)(1 << 2))
1192 #define BMC_FILT_BROADCAST_NET_BIOS                     ((uint32_t)(1 << 3))
1193 #define BMC_FILT_BROADCAST                              ((uint32_t)(1 << 4))
1194 #define BMC_FILT_MULTICAST_IPV6_NEIGH_ADVER             ((uint32_t)(1 << 5))
1195 #define BMC_FILT_MULTICAST_IPV6_RA                      ((uint32_t)(1 << 6))
1196 #define BMC_FILT_MULTICAST_IPV6_RAS                     ((uint32_t)(1 << 7))
1197 #define BMC_FILT_MULTICAST                              ((uint32_t)(1 << 8))
1198 
1199 #define	ND_ROUTER_ADVERT	134
1200 #define	ND_NEIGHBOR_ADVERT	136
1201 
1202 #define is_mc_allowed_on_bmc(sc, eh)       \
1203 	(!is_multicast_filt_enabled(sc) && \
1204 	ETHER_IS_MULTICAST(eh->ether_dhost) && \
1205 	!ETHER_IS_BROADCAST(eh->ether_dhost))
1206 
1207 #define is_bc_allowed_on_bmc(sc, eh)       \
1208 	(!is_broadcast_filt_enabled(sc) && \
1209 	ETHER_IS_BROADCAST(eh->ether_dhost))
1210 
1211 #define is_arp_allowed_on_bmc(sc, et)     \
1212 	(is_arp(et) && is_arp_filt_enabled(sc))
1213 
1214 #define is_arp(et)     (et == ETHERTYPE_ARP)
1215 
1216 #define is_arp_filt_enabled(sc)    \
1217 	(sc->bmc_filt_mask & (BMC_FILT_BROADCAST_ARP))
1218 
1219 #define is_dhcp_client_filt_enabled(sc)    \
1220 	(sc->bmc_filt_mask & BMC_FILT_BROADCAST_DHCP_CLIENT)
1221 
1222 #define is_dhcp_srvr_filt_enabled(sc)      \
1223 	(sc->bmc_filt_mask & BMC_FILT_BROADCAST_DHCP_SERVER)
1224 
1225 #define is_nbios_filt_enabled(sc)  \
1226 	(sc->bmc_filt_mask & BMC_FILT_BROADCAST_NET_BIOS)
1227 
1228 #define is_ipv6_na_filt_enabled(sc)        \
1229 	(sc->bmc_filt_mask &       \
1230 	BMC_FILT_MULTICAST_IPV6_NEIGH_ADVER)
1231 
1232 #define is_ipv6_ra_filt_enabled(sc)        \
1233 	(sc->bmc_filt_mask & BMC_FILT_MULTICAST_IPV6_RA)
1234 
1235 #define is_ipv6_ras_filt_enabled(sc)       \
1236 	(sc->bmc_filt_mask & BMC_FILT_MULTICAST_IPV6_RAS)
1237 
1238 #define is_broadcast_filt_enabled(sc)      \
1239 	(sc->bmc_filt_mask & BMC_FILT_BROADCAST)
1240 
1241 #define is_multicast_filt_enabled(sc)      \
1242 	(sc->bmc_filt_mask & BMC_FILT_MULTICAST)
1243 
1244 #define is_os2bmc_enabled(sc) (sc->flags & OCE_FLAGS_OS2BMC)
1245 
1246 #define LRO_FLAGS_HASH_MODE 0x00000001
1247 #define LRO_FLAGS_RSS_MODE 0x00000004
1248 #define LRO_FLAGS_CLSC_IPV4 0x00000010
1249 #define LRO_FLAGS_CLSC_IPV6 0x00000020
1250 #define NIC_RQ_FLAGS_RSS 0x0001
1251 #define NIC_RQ_FLAGS_LRO 0x0020
1252