xref: /freebsd/sys/dev/oce/oce_if.h (revision d9a42747950146bf03cda7f6e25d219253f8a57a)
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/epoch.h>
46 #include <sys/eventhandler.h>
47 #include <sys/malloc.h>
48 #include <sys/module.h>
49 #include <sys/kernel.h>
50 #include <sys/bus.h>
51 #include <sys/mbuf.h>
52 #include <sys/priv.h>
53 #include <sys/rman.h>
54 #include <sys/socket.h>
55 #include <sys/sockio.h>
56 #include <sys/sockopt.h>
57 #include <sys/queue.h>
58 #include <sys/taskqueue.h>
59 #include <sys/lock.h>
60 #include <sys/mutex.h>
61 #include <sys/sysctl.h>
62 #include <sys/random.h>
63 #include <sys/firmware.h>
64 #include <sys/systm.h>
65 #include <sys/proc.h>
66 
67 #include <dev/pci/pcireg.h>
68 #include <dev/pci/pcivar.h>
69 
70 #include <net/bpf.h>
71 #include <net/ethernet.h>
72 #include <net/if.h>
73 #include <net/if_var.h>
74 #include <net/if_types.h>
75 #include <net/if_media.h>
76 #include <net/if_vlan_var.h>
77 #include <net/if_dl.h>
78 
79 #include <netinet/in.h>
80 #include <netinet/in_systm.h>
81 #include <netinet/in_var.h>
82 #include <netinet/if_ether.h>
83 #include <netinet/ip.h>
84 #include <netinet/ip6.h>
85 #include <netinet6/in6_var.h>
86 #include <netinet6/ip6_mroute.h>
87 
88 #include <netinet/udp.h>
89 #include <netinet/tcp.h>
90 #include <netinet/sctp.h>
91 #include <netinet/tcp_lro.h>
92 #include <netinet/icmp6.h>
93 
94 #include <machine/bus.h>
95 
96 #include "oce_hw.h"
97 
98 /* OCE device driver module component revision informaiton */
99 #define COMPONENT_REVISION "11.0.50.0"
100 
101 /* OCE devices supported by this driver */
102 #define PCI_VENDOR_EMULEX		0x10df	/* Emulex */
103 #define PCI_VENDOR_SERVERENGINES	0x19a2	/* ServerEngines (BE) */
104 #define PCI_PRODUCT_BE2			0x0700	/* BE2 network adapter */
105 #define PCI_PRODUCT_BE3			0x0710	/* BE3 network adapter */
106 #define PCI_PRODUCT_XE201		0xe220	/* XE201 network adapter */
107 #define PCI_PRODUCT_XE201_VF		0xe228	/* XE201 with VF in Lancer */
108 #define PCI_PRODUCT_SH			0x0720	/* Skyhawk network adapter */
109 
110 #define IS_BE(sc)	(((sc->flags & OCE_FLAGS_BE3) | \
111 			 (sc->flags & OCE_FLAGS_BE2))? 1:0)
112 #define IS_BE3(sc)	(sc->flags & OCE_FLAGS_BE3)
113 #define IS_BE2(sc)	(sc->flags & OCE_FLAGS_BE2)
114 #define IS_XE201(sc)	((sc->flags & OCE_FLAGS_XE201) ? 1:0)
115 #define HAS_A0_CHIP(sc)	((sc->flags & OCE_FLAGS_HAS_A0_CHIP) ? 1:0)
116 #define IS_SH(sc)	((sc->flags & OCE_FLAGS_SH) ? 1 : 0)
117 
118 #define is_be_mode_mc(sc)	((sc->function_mode & FNM_FLEX10_MODE) ||	\
119 				(sc->function_mode & FNM_UMC_MODE)    ||	\
120 				(sc->function_mode & FNM_VNIC_MODE))
121 #define OCE_FUNCTION_CAPS_SUPER_NIC	0x40
122 #define IS_PROFILE_SUPER_NIC(sc) (sc->function_caps & OCE_FUNCTION_CAPS_SUPER_NIC)
123 
124 /* proportion Service Level Interface queues */
125 #define OCE_MAX_UNITS			2
126 #define OCE_MAX_PPORT			OCE_MAX_UNITS
127 #define OCE_MAX_VPORT			OCE_MAX_UNITS
128 
129 extern int mp_ncpus;			/* system's total active cpu cores */
130 #define OCE_NCPUS			mp_ncpus
131 
132 /* This should be powers of 2. Like 2,4,8 & 16 */
133 #define OCE_MAX_RSS			8
134 #define OCE_LEGACY_MODE_RSS		4 /* For BE3 Legacy mode*/
135 #define is_rss_enabled(sc)		((sc->function_caps & FNC_RSS) && !is_be_mode_mc(sc))
136 
137 #define OCE_MIN_RQ			1
138 #define OCE_MIN_WQ			1
139 
140 #define OCE_MAX_RQ			OCE_MAX_RSS + 1 /* one default queue */
141 #define OCE_MAX_WQ			8
142 
143 #define OCE_MAX_EQ			32
144 #define OCE_MAX_CQ			OCE_MAX_RQ + OCE_MAX_WQ + 1 /* one MCC queue */
145 #define OCE_MAX_CQ_EQ			8 /* Max CQ that can attached to an EQ */
146 
147 #define OCE_DEFAULT_WQ_EQD		16
148 #define OCE_MAX_PACKET_Q		16
149 #define OCE_LSO_MAX_SIZE		(64 * 1024)
150 #define LONG_TIMEOUT			30
151 #define OCE_MAX_JUMBO_FRAME_SIZE	9018
152 #define OCE_MAX_MTU			(OCE_MAX_JUMBO_FRAME_SIZE - \
153 						ETHER_VLAN_ENCAP_LEN - \
154 						ETHER_HDR_LEN)
155 
156 #define OCE_RDMA_VECTORS                2
157 
158 #define OCE_MAX_TX_ELEMENTS		29
159 #define OCE_MAX_TX_DESC			1024
160 #define OCE_MAX_TX_SIZE			65535
161 #define OCE_MAX_TSO_SIZE		(65535 - ETHER_HDR_LEN)
162 #define OCE_MAX_RX_SIZE			4096
163 #define OCE_MAX_RQ_POSTS		255
164 #define OCE_HWLRO_MAX_RQ_POSTS		64
165 #define OCE_DEFAULT_PROMISCUOUS		0
166 
167 #define RSS_ENABLE_IPV4			0x1
168 #define RSS_ENABLE_TCP_IPV4		0x2
169 #define RSS_ENABLE_IPV6			0x4
170 #define RSS_ENABLE_TCP_IPV6		0x8
171 
172 #define INDIRECTION_TABLE_ENTRIES	128
173 
174 /* flow control definitions */
175 #define OCE_FC_NONE			0x00000000
176 #define OCE_FC_TX			0x00000001
177 #define OCE_FC_RX			0x00000002
178 #define OCE_DEFAULT_FLOW_CONTROL	(OCE_FC_TX | OCE_FC_RX)
179 
180 /* Interface capabilities to give device when creating interface */
181 #define  OCE_CAPAB_FLAGS 		(MBX_RX_IFACE_FLAGS_BROADCAST    | \
182 					MBX_RX_IFACE_FLAGS_UNTAGGED      | \
183 					MBX_RX_IFACE_FLAGS_PROMISCUOUS      | \
184 					MBX_RX_IFACE_FLAGS_VLAN_PROMISCUOUS |	\
185 					MBX_RX_IFACE_FLAGS_MCAST_PROMISCUOUS   | \
186 					MBX_RX_IFACE_FLAGS_RSS | \
187 					MBX_RX_IFACE_FLAGS_PASS_L3L4_ERR)
188 
189 /* Interface capabilities to enable by default (others set dynamically) */
190 #define  OCE_CAPAB_ENABLE		(MBX_RX_IFACE_FLAGS_BROADCAST | \
191 					MBX_RX_IFACE_FLAGS_UNTAGGED   | \
192 					MBX_RX_IFACE_FLAGS_PASS_L3L4_ERR)
193 
194 #define OCE_IF_HWASSIST			(CSUM_IP | CSUM_TCP | CSUM_UDP)
195 #define OCE_IF_CAPABILITIES		(IFCAP_VLAN_MTU | IFCAP_VLAN_HWTAGGING | \
196 					IFCAP_HWCSUM | IFCAP_VLAN_HWCSUM | \
197 					IFCAP_JUMBO_MTU | IFCAP_VLAN_MTU)
198 #define OCE_IF_HWASSIST_NONE		0
199 #define OCE_IF_CAPABILITIES_NONE 	0
200 
201 #define MAX_VLANFILTER_SIZE		64
202 #define MAX_VLANS			4096
203 
204 #define upper_32_bits(n)		((uint32_t)(((n) >> 16) >> 16))
205 #define BSWAP_8(x)			((x) & 0xff)
206 #define BSWAP_16(x)			((BSWAP_8(x) << 8) | BSWAP_8((x) >> 8))
207 #define BSWAP_32(x)			((BSWAP_16(x) << 16) | \
208 					 BSWAP_16((x) >> 16))
209 #define BSWAP_64(x)			((BSWAP_32(x) << 32) | \
210 					BSWAP_32((x) >> 32))
211 
212 #define for_all_wq_queues(sc, wq, i) 	\
213 		for (i = 0, wq = sc->wq[0]; i < sc->nwqs; i++, wq = sc->wq[i])
214 #define for_all_rq_queues(sc, rq, i) 	\
215 		for (i = 0, rq = sc->rq[0]; i < sc->nrqs; i++, rq = sc->rq[i])
216 #define for_all_rss_queues(sc, rq, i) 	\
217 		for (i = 0, rq = sc->rq[i + 1]; i < (sc->nrqs - 1); \
218 		     i++, rq = sc->rq[i + 1])
219 #define for_all_evnt_queues(sc, eq, i) 	\
220 		for (i = 0, eq = sc->eq[0]; i < sc->neqs; i++, eq = sc->eq[i])
221 #define for_all_cq_queues(sc, cq, i) 	\
222 		for (i = 0, cq = sc->cq[0]; i < sc->ncqs; i++, cq = sc->cq[i])
223 
224 /* Flash specific */
225 #define IOCTL_COOKIE			"SERVERENGINES CORP"
226 #define MAX_FLASH_COMP			32
227 
228 #define IMG_ISCSI			160
229 #define IMG_REDBOOT			224
230 #define IMG_BIOS			34
231 #define IMG_PXEBIOS			32
232 #define IMG_FCOEBIOS			33
233 #define IMG_ISCSI_BAK			176
234 #define IMG_FCOE			162
235 #define IMG_FCOE_BAK			178
236 #define IMG_NCSI			16
237 #define IMG_PHY				192
238 #define FLASHROM_OPER_FLASH		1
239 #define FLASHROM_OPER_SAVE		2
240 #define FLASHROM_OPER_REPORT		4
241 #define FLASHROM_OPER_FLASH_PHY		9
242 #define FLASHROM_OPER_SAVE_PHY		10
243 #define TN_8022				13
244 
245 enum {
246 	PHY_TYPE_CX4_10GB = 0,
247 	PHY_TYPE_XFP_10GB,
248 	PHY_TYPE_SFP_1GB,
249 	PHY_TYPE_SFP_PLUS_10GB,
250 	PHY_TYPE_KR_10GB,
251 	PHY_TYPE_KX4_10GB,
252 	PHY_TYPE_BASET_10GB,
253 	PHY_TYPE_BASET_1GB,
254 	PHY_TYPE_BASEX_1GB,
255 	PHY_TYPE_SGMII,
256 	PHY_TYPE_DISABLED = 255
257 };
258 
259 /**
260  * @brief Define and hold all necessary info for a single interrupt
261  */
262 #define OCE_MAX_MSI			32 /* Message Signaled Interrupts */
263 #define OCE_MAX_MSIX			2048 /* PCI Express MSI Interrrupts */
264 
265 typedef struct oce_intr_info {
266 	void *tag;		/* cookie returned by bus_setup_intr */
267 	struct resource *intr_res;	/* PCI resource container */
268 	int irq_rr;		/* resource id for the interrupt */
269 	struct oce_softc *sc;	/* pointer to the parent soft c */
270 	struct oce_eq *eq;	/* pointer to the connected EQ */
271 	struct taskqueue *tq;	/* Associated task queue */
272 	struct task task;	/* task queue task */
273 	char task_name[32];	/* task name */
274 	int vector;		/* interrupt vector number */
275 } OCE_INTR_INFO, *POCE_INTR_INFO;
276 
277 /* Ring related */
278 #define	GET_Q_NEXT(_START, _STEP, _END)	\
279 	(((_START) + (_STEP)) < (_END) ? ((_START) + (_STEP)) \
280 	: (((_START) + (_STEP)) - (_END)))
281 
282 #define	DBUF_PA(obj)			((obj)->addr)
283 #define	DBUF_VA(obj) 			((obj)->ptr)
284 #define	DBUF_TAG(obj) 			((obj)->tag)
285 #define	DBUF_MAP(obj) 			((obj)->map)
286 #define	DBUF_SYNC(obj, flags) 		\
287 		(void) bus_dmamap_sync(DBUF_TAG(obj), DBUF_MAP(obj), (flags))
288 
289 #define	RING_NUM_PENDING(ring)		ring->num_used
290 #define	RING_FULL(ring) 		(ring->num_used == ring->num_items)
291 #define	RING_EMPTY(ring) 		(ring->num_used == 0)
292 #define	RING_NUM_FREE(ring)		\
293 		(uint32_t)(ring->num_items - ring->num_used)
294 #define	RING_GET(ring, n)		\
295 		ring->cidx = GET_Q_NEXT(ring->cidx, n, ring->num_items)
296 #define	RING_PUT(ring, n)		\
297 		ring->pidx = GET_Q_NEXT(ring->pidx, n, ring->num_items)
298 
299 #define	RING_GET_CONSUMER_ITEM_VA(ring, type) 	\
300 	(void*)((type *)DBUF_VA(&ring->dma) + ring->cidx)
301 #define	RING_GET_CONSUMER_ITEM_PA(ring, type)		\
302 	(uint64_t)(((type *)DBUF_PA(ring->dbuf)) + ring->cidx)
303 #define	RING_GET_PRODUCER_ITEM_VA(ring, type)		\
304 	(void *)(((type *)DBUF_VA(&ring->dma)) + ring->pidx)
305 #define	RING_GET_PRODUCER_ITEM_PA(ring, type)		\
306 	(uint64_t)(((type *)DBUF_PA(ring->dbuf)) + ring->pidx)
307 
308 #define OCE_DMAPTR(o, c) 		((c *)(o)->ptr)
309 
310 struct oce_packet_desc {
311 	struct mbuf *mbuf;
312 	bus_dmamap_t map;
313 	int nsegs;
314 	uint32_t wqe_idx;
315 };
316 
317 typedef struct oce_dma_mem {
318 	bus_dma_tag_t tag;
319 	bus_dmamap_t map;
320 	void *ptr;
321 	bus_addr_t paddr;
322 } OCE_DMA_MEM, *POCE_DMA_MEM;
323 
324 typedef struct oce_ring_buffer_s {
325 	uint16_t cidx;	/* Get ptr */
326 	uint16_t pidx;	/* Put Ptr */
327 	size_t item_size;
328 	size_t num_items;
329 	uint32_t num_used;
330 	OCE_DMA_MEM dma;
331 } oce_ring_buffer_t;
332 
333 /* Stats */
334 #define OCE_UNICAST_PACKET	0
335 #define OCE_MULTICAST_PACKET	1
336 #define OCE_BROADCAST_PACKET	2
337 #define OCE_RSVD_PACKET		3
338 
339 struct oce_rx_stats {
340 	/* Total Receive Stats*/
341 	uint64_t t_rx_pkts;
342 	uint64_t t_rx_bytes;
343 	uint32_t t_rx_frags;
344 	uint32_t t_rx_mcast_pkts;
345 	uint32_t t_rx_ucast_pkts;
346 	uint32_t t_rxcp_errs;
347 };
348 struct oce_tx_stats {
349 	/*Total Transmit Stats */
350 	uint64_t t_tx_pkts;
351 	uint64_t t_tx_bytes;
352 	uint32_t t_tx_reqs;
353 	uint32_t t_tx_stops;
354 	uint32_t t_tx_wrbs;
355 	uint32_t t_tx_compl;
356 	uint32_t t_ipv6_ext_hdr_tx_drop;
357 };
358 
359 struct oce_be_stats {
360 	uint8_t  be_on_die_temperature;
361 	uint32_t be_tx_events;
362 	uint32_t eth_red_drops;
363 	uint32_t rx_drops_no_pbuf;
364 	uint32_t rx_drops_no_txpb;
365 	uint32_t rx_drops_no_erx_descr;
366 	uint32_t rx_drops_no_tpre_descr;
367 	uint32_t rx_drops_too_many_frags;
368 	uint32_t rx_drops_invalid_ring;
369 	uint32_t forwarded_packets;
370 	uint32_t rx_drops_mtu;
371 	uint32_t rx_crc_errors;
372 	uint32_t rx_alignment_symbol_errors;
373 	uint32_t rx_pause_frames;
374 	uint32_t rx_priority_pause_frames;
375 	uint32_t rx_control_frames;
376 	uint32_t rx_in_range_errors;
377 	uint32_t rx_out_range_errors;
378 	uint32_t rx_frame_too_long;
379 	uint32_t rx_address_match_errors;
380 	uint32_t rx_dropped_too_small;
381 	uint32_t rx_dropped_too_short;
382 	uint32_t rx_dropped_header_too_small;
383 	uint32_t rx_dropped_tcp_length;
384 	uint32_t rx_dropped_runt;
385 	uint32_t rx_ip_checksum_errs;
386 	uint32_t rx_tcp_checksum_errs;
387 	uint32_t rx_udp_checksum_errs;
388 	uint32_t rx_switched_unicast_packets;
389 	uint32_t rx_switched_multicast_packets;
390 	uint32_t rx_switched_broadcast_packets;
391 	uint32_t tx_pauseframes;
392 	uint32_t tx_priority_pauseframes;
393 	uint32_t tx_controlframes;
394 	uint32_t rxpp_fifo_overflow_drop;
395 	uint32_t rx_input_fifo_overflow_drop;
396 	uint32_t pmem_fifo_overflow_drop;
397 	uint32_t jabber_events;
398 };
399 
400 struct oce_xe201_stats {
401 	uint64_t tx_pkts;
402 	uint64_t tx_unicast_pkts;
403 	uint64_t tx_multicast_pkts;
404 	uint64_t tx_broadcast_pkts;
405 	uint64_t tx_bytes;
406 	uint64_t tx_unicast_bytes;
407 	uint64_t tx_multicast_bytes;
408 	uint64_t tx_broadcast_bytes;
409 	uint64_t tx_discards;
410 	uint64_t tx_errors;
411 	uint64_t tx_pause_frames;
412 	uint64_t tx_pause_on_frames;
413 	uint64_t tx_pause_off_frames;
414 	uint64_t tx_internal_mac_errors;
415 	uint64_t tx_control_frames;
416 	uint64_t tx_pkts_64_bytes;
417 	uint64_t tx_pkts_65_to_127_bytes;
418 	uint64_t tx_pkts_128_to_255_bytes;
419 	uint64_t tx_pkts_256_to_511_bytes;
420 	uint64_t tx_pkts_512_to_1023_bytes;
421 	uint64_t tx_pkts_1024_to_1518_bytes;
422 	uint64_t tx_pkts_1519_to_2047_bytes;
423 	uint64_t tx_pkts_2048_to_4095_bytes;
424 	uint64_t tx_pkts_4096_to_8191_bytes;
425 	uint64_t tx_pkts_8192_to_9216_bytes;
426 	uint64_t tx_lso_pkts;
427 	uint64_t rx_pkts;
428 	uint64_t rx_unicast_pkts;
429 	uint64_t rx_multicast_pkts;
430 	uint64_t rx_broadcast_pkts;
431 	uint64_t rx_bytes;
432 	uint64_t rx_unicast_bytes;
433 	uint64_t rx_multicast_bytes;
434 	uint64_t rx_broadcast_bytes;
435 	uint32_t rx_unknown_protos;
436 	uint64_t rx_discards;
437 	uint64_t rx_errors;
438 	uint64_t rx_crc_errors;
439 	uint64_t rx_alignment_errors;
440 	uint64_t rx_symbol_errors;
441 	uint64_t rx_pause_frames;
442 	uint64_t rx_pause_on_frames;
443 	uint64_t rx_pause_off_frames;
444 	uint64_t rx_frames_too_long;
445 	uint64_t rx_internal_mac_errors;
446 	uint32_t rx_undersize_pkts;
447 	uint32_t rx_oversize_pkts;
448 	uint32_t rx_fragment_pkts;
449 	uint32_t rx_jabbers;
450 	uint64_t rx_control_frames;
451 	uint64_t rx_control_frames_unknown_opcode;
452 	uint32_t rx_in_range_errors;
453 	uint32_t rx_out_of_range_errors;
454 	uint32_t rx_address_match_errors;
455 	uint32_t rx_vlan_mismatch_errors;
456 	uint32_t rx_dropped_too_small;
457 	uint32_t rx_dropped_too_short;
458 	uint32_t rx_dropped_header_too_small;
459 	uint32_t rx_dropped_invalid_tcp_length;
460 	uint32_t rx_dropped_runt;
461 	uint32_t rx_ip_checksum_errors;
462 	uint32_t rx_tcp_checksum_errors;
463 	uint32_t rx_udp_checksum_errors;
464 	uint32_t rx_non_rss_pkts;
465 	uint64_t rx_ipv4_pkts;
466 	uint64_t rx_ipv6_pkts;
467 	uint64_t rx_ipv4_bytes;
468 	uint64_t rx_ipv6_bytes;
469 	uint64_t rx_nic_pkts;
470 	uint64_t rx_tcp_pkts;
471 	uint64_t rx_iscsi_pkts;
472 	uint64_t rx_management_pkts;
473 	uint64_t rx_switched_unicast_pkts;
474 	uint64_t rx_switched_multicast_pkts;
475 	uint64_t rx_switched_broadcast_pkts;
476 	uint64_t num_forwards;
477 	uint32_t rx_fifo_overflow;
478 	uint32_t rx_input_fifo_overflow;
479 	uint64_t rx_drops_too_many_frags;
480 	uint32_t rx_drops_invalid_queue;
481 	uint64_t rx_drops_mtu;
482 	uint64_t rx_pkts_64_bytes;
483 	uint64_t rx_pkts_65_to_127_bytes;
484 	uint64_t rx_pkts_128_to_255_bytes;
485 	uint64_t rx_pkts_256_to_511_bytes;
486 	uint64_t rx_pkts_512_to_1023_bytes;
487 	uint64_t rx_pkts_1024_to_1518_bytes;
488 	uint64_t rx_pkts_1519_to_2047_bytes;
489 	uint64_t rx_pkts_2048_to_4095_bytes;
490 	uint64_t rx_pkts_4096_to_8191_bytes;
491 	uint64_t rx_pkts_8192_to_9216_bytes;
492 };
493 
494 struct oce_drv_stats {
495 	struct oce_rx_stats rx;
496 	struct oce_tx_stats tx;
497 	union {
498 		struct oce_be_stats be;
499 		struct oce_xe201_stats xe201;
500 	} u0;
501 };
502 
503 #define INTR_RATE_HWM                   15000
504 #define INTR_RATE_LWM                   10000
505 
506 #define OCE_MAX_EQD 128u
507 #define OCE_MIN_EQD 0u
508 
509 struct oce_set_eqd {
510 	uint32_t eq_id;
511 	uint32_t phase;
512 	uint32_t delay_multiplier;
513 };
514 
515 struct oce_aic_obj {             /* Adaptive interrupt coalescing (AIC) info */
516 	boolean_t enable;
517 	uint32_t  min_eqd;            /* in usecs */
518 	uint32_t  max_eqd;            /* in usecs */
519 	uint32_t  cur_eqd;            /* in usecs */
520 	uint32_t  et_eqd;             /* configured value when aic is off */
521 	uint64_t  ticks;
522 	uint64_t  prev_rxpkts;
523 	uint64_t  prev_txreqs;
524 };
525 
526 #define MAX_LOCK_DESC_LEN			32
527 struct oce_lock {
528 	struct mtx mutex;
529 	char name[MAX_LOCK_DESC_LEN+1];
530 };
531 #define OCE_LOCK				struct oce_lock
532 
533 #define LOCK_CREATE(lock, desc) 		{ \
534 	strncpy((lock)->name, (desc), MAX_LOCK_DESC_LEN); \
535 	(lock)->name[MAX_LOCK_DESC_LEN] = '\0'; \
536 	mtx_init(&(lock)->mutex, (lock)->name, NULL, MTX_DEF); \
537 }
538 #define LOCK_DESTROY(lock) 			\
539 		if (mtx_initialized(&(lock)->mutex))\
540 			mtx_destroy(&(lock)->mutex)
541 #define TRY_LOCK(lock)				mtx_trylock(&(lock)->mutex)
542 #define LOCK(lock)				mtx_lock(&(lock)->mutex)
543 #define LOCKED(lock)				mtx_owned(&(lock)->mutex)
544 #define UNLOCK(lock)				mtx_unlock(&(lock)->mutex)
545 
546 #define	DEFAULT_MQ_MBOX_TIMEOUT			(5 * 1000 * 1000)
547 #define	MBX_READY_TIMEOUT			(1 * 1000 * 1000)
548 #define	DEFAULT_DRAIN_TIME			200
549 #define	MBX_TIMEOUT_SEC				5
550 #define	STAT_TIMEOUT				2000000
551 
552 /* size of the packet descriptor array in a transmit queue */
553 #define OCE_TX_RING_SIZE			2048
554 #define OCE_RX_RING_SIZE			1024
555 #define OCE_WQ_PACKET_ARRAY_SIZE		(OCE_TX_RING_SIZE/2)
556 #define OCE_RQ_PACKET_ARRAY_SIZE		(OCE_RX_RING_SIZE)
557 
558 struct oce_dev;
559 
560 enum eq_len {
561 	EQ_LEN_256  = 256,
562 	EQ_LEN_512  = 512,
563 	EQ_LEN_1024 = 1024,
564 	EQ_LEN_2048 = 2048,
565 	EQ_LEN_4096 = 4096
566 };
567 
568 enum eqe_size {
569 	EQE_SIZE_4  = 4,
570 	EQE_SIZE_16 = 16
571 };
572 
573 enum qtype {
574 	QTYPE_EQ,
575 	QTYPE_MQ,
576 	QTYPE_WQ,
577 	QTYPE_RQ,
578 	QTYPE_CQ,
579 	QTYPE_RSS
580 };
581 
582 typedef enum qstate_e {
583 	QDELETED = 0x0,
584 	QCREATED = 0x1
585 } qstate_t;
586 
587 struct eq_config {
588 	enum eq_len q_len;
589 	enum eqe_size item_size;
590 	uint32_t q_vector_num;
591 	uint8_t min_eqd;
592 	uint8_t max_eqd;
593 	uint8_t cur_eqd;
594 	uint8_t pad;
595 };
596 
597 struct oce_eq {
598 	uint32_t eq_id;
599 	void *parent;
600 	void *cb_context;
601 	oce_ring_buffer_t *ring;
602 	uint32_t ref_count;
603 	qstate_t qstate;
604 	struct oce_cq *cq[OCE_MAX_CQ_EQ];
605 	int cq_valid;
606 	struct eq_config eq_cfg;
607 	int vector;
608 	uint64_t intr;
609 };
610 
611 enum cq_len {
612 	CQ_LEN_256  = 256,
613 	CQ_LEN_512  = 512,
614 	CQ_LEN_1024 = 1024,
615 	CQ_LEN_2048 = 2048
616 };
617 
618 struct cq_config {
619 	enum cq_len q_len;
620 	uint32_t item_size;
621 	boolean_t is_eventable;
622 	boolean_t sol_eventable;
623 	boolean_t nodelay;
624 	uint16_t dma_coalescing;
625 };
626 
627 typedef uint16_t(*cq_handler_t) (void *arg1);
628 
629 struct oce_cq {
630 	uint32_t cq_id;
631 	void *parent;
632 	struct oce_eq *eq;
633 	cq_handler_t cq_handler;
634 	void *cb_arg;
635 	oce_ring_buffer_t *ring;
636 	qstate_t qstate;
637 	struct cq_config cq_cfg;
638 	uint32_t ref_count;
639 };
640 
641 struct mq_config {
642 	uint32_t eqd;
643 	uint8_t q_len;
644 	uint8_t pad[3];
645 };
646 
647 struct oce_mq {
648 	void *parent;
649 	oce_ring_buffer_t *ring;
650 	uint32_t mq_id;
651 	struct oce_cq *cq;
652 	struct oce_cq *async_cq;
653 	uint32_t mq_free;
654 	qstate_t qstate;
655 	struct mq_config cfg;
656 };
657 
658 struct oce_mbx_ctx {
659 	struct oce_mbx *mbx;
660 	void (*cb) (void *ctx);
661 	void *cb_ctx;
662 };
663 
664 struct wq_config {
665 	uint8_t wq_type;
666 	uint16_t buf_size;
667 	uint8_t pad[1];
668 	uint32_t q_len;
669 	uint16_t pd_id;
670 	uint16_t pci_fn_num;
671 	uint32_t eqd;	/* interrupt delay */
672 	uint32_t nbufs;
673 	uint32_t nhdl;
674 };
675 
676 struct oce_tx_queue_stats {
677 	uint64_t tx_pkts;
678 	uint64_t tx_bytes;
679 	uint32_t tx_reqs;
680 	uint32_t tx_stops; /* number of times TX Q was stopped */
681 	uint32_t tx_wrbs;
682 	uint32_t tx_compl;
683 	uint32_t tx_rate;
684 	uint32_t ipv6_ext_hdr_tx_drop;
685 };
686 
687 struct oce_wq {
688 	OCE_LOCK tx_lock;
689 	OCE_LOCK tx_compl_lock;
690 	void *parent;
691 	oce_ring_buffer_t *ring;
692 	struct oce_cq *cq;
693 	bus_dma_tag_t tag;
694 	struct oce_packet_desc pckts[OCE_WQ_PACKET_ARRAY_SIZE];
695 	uint32_t pkt_desc_tail;
696 	uint32_t pkt_desc_head;
697 	uint32_t wqm_used;
698 	boolean_t resched;
699 	uint32_t wq_free;
700 	uint32_t tx_deferd;
701 	uint32_t pkt_drops;
702 	qstate_t qstate;
703 	uint16_t wq_id;
704 	struct wq_config cfg;
705 	int queue_index;
706 	struct oce_tx_queue_stats tx_stats;
707 	struct buf_ring *br;
708 	struct task txtask;
709 	uint32_t db_offset;
710 };
711 
712 struct rq_config {
713 	uint32_t q_len;
714 	uint32_t frag_size;
715 	uint32_t mtu;
716 	uint32_t if_id;
717 	uint32_t is_rss_queue;
718 	uint32_t eqd;
719 	uint32_t nbufs;
720 };
721 
722 struct oce_rx_queue_stats {
723 	uint32_t rx_post_fail;
724 	uint32_t rx_ucast_pkts;
725 	uint32_t rx_compl;
726 	uint64_t rx_bytes;
727 	uint64_t rx_bytes_prev;
728 	uint64_t rx_pkts;
729 	uint32_t rx_rate;
730 	uint32_t rx_mcast_pkts;
731 	uint32_t rxcp_err;
732 	uint32_t rx_frags;
733 	uint32_t prev_rx_frags;
734 	uint32_t rx_fps;
735 	uint32_t rx_drops_no_frags;  /* HW has no fetched frags */
736 };
737 
738 struct oce_rq {
739 	struct rq_config cfg;
740 	uint32_t rq_id;
741 	int queue_index;
742 	uint32_t rss_cpuid;
743 	void *parent;
744 	oce_ring_buffer_t *ring;
745 	struct oce_cq *cq;
746 	void *pad1;
747 	bus_dma_tag_t tag;
748 	struct oce_packet_desc pckts[OCE_RQ_PACKET_ARRAY_SIZE];
749 	uint32_t pending;
750 #ifdef notdef
751 	struct mbuf *head;
752 	struct mbuf *tail;
753 	int fragsleft;
754 #endif
755 	qstate_t qstate;
756 	OCE_LOCK rx_lock;
757 	struct oce_rx_queue_stats rx_stats;
758 	struct lro_ctrl lro;
759 	int lro_pkts_queued;
760 	int islro;
761 	struct nic_hwlro_cqe_part1 *cqe_firstpart;
762 
763 };
764 
765 struct link_status {
766 	uint8_t phys_port_speed;
767 	uint8_t logical_link_status;
768 	uint16_t qos_link_speed;
769 };
770 
771 #define OCE_FLAGS_PCIX			0x00000001
772 #define OCE_FLAGS_PCIE			0x00000002
773 #define OCE_FLAGS_MSI_CAPABLE		0x00000004
774 #define OCE_FLAGS_MSIX_CAPABLE		0x00000008
775 #define OCE_FLAGS_USING_MSI		0x00000010
776 #define OCE_FLAGS_USING_MSIX		0x00000020
777 #define OCE_FLAGS_FUNCRESET_RQD		0x00000040
778 #define OCE_FLAGS_VIRTUAL_PORT		0x00000080
779 #define OCE_FLAGS_MBOX_ENDIAN_RQD	0x00000100
780 #define OCE_FLAGS_BE3			0x00000200
781 #define OCE_FLAGS_XE201			0x00000400
782 #define OCE_FLAGS_BE2			0x00000800
783 #define OCE_FLAGS_SH			0x00001000
784 #define	OCE_FLAGS_OS2BMC		0x00002000
785 
786 #define OCE_DEV_BE2_CFG_BAR		1
787 #define OCE_DEV_CFG_BAR			0
788 #define OCE_PCI_CSR_BAR			2
789 #define OCE_PCI_DB_BAR			4
790 
791 typedef struct oce_softc {
792 	device_t dev;
793 	OCE_LOCK dev_lock;
794 
795 	uint32_t flags;
796 
797 	uint32_t pcie_link_speed;
798 	uint32_t pcie_link_width;
799 
800 	uint8_t fn; /* PCI function number */
801 
802 	struct resource *devcfg_res;
803 	bus_space_tag_t devcfg_btag;
804 	bus_space_handle_t devcfg_bhandle;
805 	void *devcfg_vhandle;
806 
807 	struct resource *csr_res;
808 	bus_space_tag_t csr_btag;
809 	bus_space_handle_t csr_bhandle;
810 	void *csr_vhandle;
811 
812 	struct resource *db_res;
813 	bus_space_tag_t db_btag;
814 	bus_space_handle_t db_bhandle;
815 	void *db_vhandle;
816 
817 	OCE_INTR_INFO intrs[OCE_MAX_EQ];
818 	int intr_count;
819         int roce_intr_count;
820 
821 	if_t ifp;
822 
823 	struct ifmedia media;
824 	uint8_t link_status;
825 	uint8_t link_speed;
826 	uint8_t duplex;
827 	uint32_t qos_link_speed;
828 	uint32_t speed;
829 	uint32_t enable_hwlro;
830 
831 	char fw_version[32];
832 	struct mac_address_format macaddr;
833 
834 	OCE_DMA_MEM bsmbx;
835 	OCE_LOCK bmbx_lock;
836 
837 	uint32_t config_number;
838 	uint32_t asic_revision;
839 	uint32_t port_id;
840 	uint32_t function_mode;
841 	uint32_t function_caps;
842 	uint32_t max_tx_rings;
843 	uint32_t max_rx_rings;
844 
845 	struct oce_wq *wq[OCE_MAX_WQ];	/* TX work queues */
846 	struct oce_rq *rq[OCE_MAX_RQ];	/* RX work queues */
847 	struct oce_cq *cq[OCE_MAX_CQ];	/* Completion queues */
848 	struct oce_eq *eq[OCE_MAX_EQ];	/* Event queues */
849 	struct oce_mq *mq;		/* Mailbox queue */
850 
851 	uint32_t neqs;
852 	uint32_t ncqs;
853 	uint32_t nrqs;
854 	uint32_t nwqs;
855 	uint32_t nrssqs;
856 
857 	uint32_t tx_ring_size;
858 	uint32_t rx_ring_size;
859 	uint32_t rq_frag_size;
860 
861 	uint32_t if_id;		/* interface ID */
862 	uint32_t nifs;		/* number of adapter interfaces, 0 or 1 */
863 	uint32_t pmac_id;	/* PMAC id */
864 
865 	uint32_t if_cap_flags;
866 
867 	uint32_t flow_control;
868 	uint8_t  promisc;
869 
870 	struct oce_aic_obj aic_obj[OCE_MAX_EQ];
871 
872 	/*Vlan Filtering related */
873 	eventhandler_tag vlan_attach;
874 	eventhandler_tag vlan_detach;
875 	uint16_t vlans_added;
876 	uint8_t vlan_tag[MAX_VLANS];
877 	/*stats */
878 	OCE_DMA_MEM stats_mem;
879 	struct oce_drv_stats oce_stats_info;
880 	struct callout  timer;
881 	int8_t be3_native;
882 	uint8_t hw_error;
883 	uint16_t qnq_debug_event;
884 	uint16_t qnqid;
885 	uint32_t pvid;
886 	uint32_t max_vlans;
887 	uint32_t bmc_filt_mask;
888 
889         void *rdma_context;
890         uint32_t rdma_flags;
891         struct oce_softc *next;
892 
893 } OCE_SOFTC, *POCE_SOFTC;
894 
895 #define OCE_RDMA_FLAG_SUPPORTED         0x00000001
896 
897 /**************************************************
898  * BUS memory read/write macros
899  * BE3: accesses three BAR spaces (CFG, CSR, DB)
900  * Lancer: accesses one BAR space (CFG)
901  **************************************************/
902 #define OCE_READ_CSR_MPU(sc, space, o) \
903 	((IS_BE(sc)) ? (bus_space_read_4((sc)->space##_btag, \
904 					(sc)->space##_bhandle,o)) \
905 				: (bus_space_read_4((sc)->devcfg_btag, \
906 					(sc)->devcfg_bhandle,o)))
907 #define OCE_READ_REG32(sc, space, o) \
908 	((IS_BE(sc) || IS_SH(sc)) ? (bus_space_read_4((sc)->space##_btag, \
909 					(sc)->space##_bhandle,o)) \
910 				: (bus_space_read_4((sc)->devcfg_btag, \
911 					(sc)->devcfg_bhandle,o)))
912 #define OCE_READ_REG16(sc, space, o) \
913 	((IS_BE(sc) || IS_SH(sc)) ? (bus_space_read_2((sc)->space##_btag, \
914 					(sc)->space##_bhandle,o)) \
915 				: (bus_space_read_2((sc)->devcfg_btag, \
916 					(sc)->devcfg_bhandle,o)))
917 #define OCE_READ_REG8(sc, space, o) \
918 	((IS_BE(sc) || IS_SH(sc)) ? (bus_space_read_1((sc)->space##_btag, \
919 					(sc)->space##_bhandle,o)) \
920 				: (bus_space_read_1((sc)->devcfg_btag, \
921 					(sc)->devcfg_bhandle,o)))
922 
923 #define OCE_WRITE_CSR_MPU(sc, space, o, v) \
924 	((IS_BE(sc)) ? (bus_space_write_4((sc)->space##_btag, \
925 				       (sc)->space##_bhandle,o,v)) \
926 				: (bus_space_write_4((sc)->devcfg_btag, \
927 					(sc)->devcfg_bhandle,o,v)))
928 #define OCE_WRITE_REG32(sc, space, o, v) \
929 	((IS_BE(sc) || IS_SH(sc)) ? (bus_space_write_4((sc)->space##_btag, \
930 				       (sc)->space##_bhandle,o,v)) \
931 				: (bus_space_write_4((sc)->devcfg_btag, \
932 					(sc)->devcfg_bhandle,o,v)))
933 #define OCE_WRITE_REG16(sc, space, o, v) \
934 	((IS_BE(sc) || IS_SH(sc)) ? (bus_space_write_2((sc)->space##_btag, \
935 				       (sc)->space##_bhandle,o,v)) \
936 				: (bus_space_write_2((sc)->devcfg_btag, \
937 					(sc)->devcfg_bhandle,o,v)))
938 #define OCE_WRITE_REG8(sc, space, o, v) \
939 	((IS_BE(sc) || IS_SH(sc)) ? (bus_space_write_1((sc)->space##_btag, \
940 				       (sc)->space##_bhandle,o,v)) \
941 				: (bus_space_write_1((sc)->devcfg_btag, \
942 					(sc)->devcfg_bhandle,o,v)))
943 
944 void oce_rx_flush_lro(struct oce_rq *rq);
945 /***********************************************************
946  * DMA memory functions
947  ***********************************************************/
948 #define oce_dma_sync(d, f)		bus_dmamap_sync((d)->tag, (d)->map, f)
949 int oce_dma_alloc(POCE_SOFTC sc, bus_size_t size, POCE_DMA_MEM dma, int flags);
950 void oce_dma_free(POCE_SOFTC sc, POCE_DMA_MEM dma);
951 void oce_dma_map_addr(void *arg, bus_dma_segment_t * segs, int nseg, int error);
952 void oce_destroy_ring_buffer(POCE_SOFTC sc, oce_ring_buffer_t *ring);
953 oce_ring_buffer_t *oce_create_ring_buffer(POCE_SOFTC sc,
954 					  uint32_t q_len, uint32_t num_entries);
955 /************************************************************
956  * oce_hw_xxx functions
957  ************************************************************/
958 int oce_clear_rx_buf(struct oce_rq *rq);
959 int oce_hw_pci_alloc(POCE_SOFTC sc);
960 int oce_hw_init(POCE_SOFTC sc);
961 int oce_hw_start(POCE_SOFTC sc);
962 int oce_create_nw_interface(POCE_SOFTC sc);
963 int oce_pci_soft_reset(POCE_SOFTC sc);
964 int oce_hw_update_multicast(POCE_SOFTC sc);
965 void oce_delete_nw_interface(POCE_SOFTC sc);
966 void oce_hw_shutdown(POCE_SOFTC sc);
967 void oce_hw_intr_enable(POCE_SOFTC sc);
968 void oce_hw_intr_disable(POCE_SOFTC sc);
969 void oce_hw_pci_free(POCE_SOFTC sc);
970 
971 /***********************************************************
972  * oce_queue_xxx functions
973  ***********************************************************/
974 int oce_queue_init_all(POCE_SOFTC sc);
975 int oce_start_rq(struct oce_rq *rq);
976 int oce_start_wq(struct oce_wq *wq);
977 int oce_start_mq(struct oce_mq *mq);
978 int oce_start_rx(POCE_SOFTC sc);
979 void oce_arm_eq(POCE_SOFTC sc,
980 		int16_t qid, int npopped, uint32_t rearm, uint32_t clearint);
981 void oce_queue_release_all(POCE_SOFTC sc);
982 void oce_arm_cq(POCE_SOFTC sc, int16_t qid, int npopped, uint32_t rearm);
983 void oce_drain_eq(struct oce_eq *eq);
984 void oce_drain_mq_cq(void *arg);
985 void oce_drain_rq_cq(struct oce_rq *rq);
986 void oce_drain_wq_cq(struct oce_wq *wq);
987 
988 uint32_t oce_page_list(oce_ring_buffer_t *ring, struct phys_addr *pa_list);
989 
990 /***********************************************************
991  * cleanup  functions
992  ***********************************************************/
993 void oce_stop_rx(POCE_SOFTC sc);
994 void oce_discard_rx_comp(struct oce_rq *rq, int num_frags);
995 void oce_rx_cq_clean(struct oce_rq *rq);
996 void oce_rx_cq_clean_hwlro(struct oce_rq *rq);
997 void oce_intr_free(POCE_SOFTC sc);
998 void oce_free_posted_rxbuf(struct oce_rq *rq);
999 #if defined(INET6) || defined(INET)
1000 void oce_free_lro(POCE_SOFTC sc);
1001 #endif
1002 
1003 /************************************************************
1004  * Mailbox functions
1005  ************************************************************/
1006 int oce_fw_clean(POCE_SOFTC sc);
1007 int oce_wait_ready(POCE_SOFTC sc);
1008 int oce_reset_fun(POCE_SOFTC sc);
1009 int oce_mbox_init(POCE_SOFTC sc);
1010 int oce_mbox_dispatch(POCE_SOFTC sc, uint32_t tmo_sec);
1011 int oce_get_fw_version(POCE_SOFTC sc);
1012 int oce_first_mcc_cmd(POCE_SOFTC sc);
1013 
1014 int oce_read_mac_addr(POCE_SOFTC sc, uint32_t if_id, uint8_t perm,
1015 			uint8_t type, struct mac_address_format *mac);
1016 int oce_get_fw_config(POCE_SOFTC sc);
1017 int oce_if_create(POCE_SOFTC sc, uint32_t cap_flags, uint32_t en_flags,
1018 		uint16_t vlan_tag, uint8_t *mac_addr, uint32_t *if_id);
1019 int oce_if_del(POCE_SOFTC sc, uint32_t if_id);
1020 int oce_config_vlan(POCE_SOFTC sc, uint32_t if_id,
1021 		struct normal_vlan *vtag_arr, uint8_t vtag_cnt,
1022 		uint32_t untagged, uint32_t enable_promisc);
1023 int oce_set_flow_control(POCE_SOFTC sc, uint32_t flow_control);
1024 int oce_config_nic_rss(POCE_SOFTC sc, uint32_t if_id, uint16_t enable_rss);
1025 int oce_rxf_set_promiscuous(POCE_SOFTC sc, uint8_t enable);
1026 int oce_set_common_iface_rx_filter(POCE_SOFTC sc, POCE_DMA_MEM sgl);
1027 int oce_get_link_status(POCE_SOFTC sc, struct link_status *link);
1028 int oce_mbox_get_nic_stats_v0(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem);
1029 int oce_mbox_get_nic_stats_v1(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem);
1030 int oce_mbox_get_nic_stats_v2(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem);
1031 int oce_mbox_get_pport_stats(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem,
1032 				uint32_t reset_stats);
1033 int oce_mbox_get_vport_stats(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem,
1034 				uint32_t req_size, uint32_t reset_stats);
1035 int oce_update_multicast(POCE_SOFTC sc, POCE_DMA_MEM pdma_mem);
1036 int oce_pass_through_mbox(POCE_SOFTC sc, POCE_DMA_MEM dma_mem, uint32_t req_size);
1037 int oce_mbox_macaddr_del(POCE_SOFTC sc, uint32_t if_id, uint32_t pmac_id);
1038 int oce_mbox_macaddr_add(POCE_SOFTC sc, uint8_t *mac_addr,
1039 		uint32_t if_id, uint32_t *pmac_id);
1040 int oce_mbox_cmd_test_loopback(POCE_SOFTC sc, uint32_t port_num,
1041 	uint32_t loopback_type, uint32_t pkt_size, uint32_t num_pkts,
1042 	uint64_t pattern);
1043 
1044 int oce_mbox_cmd_set_loopback(POCE_SOFTC sc, uint8_t port_num,
1045 	uint8_t loopback_type, uint8_t enable);
1046 
1047 int oce_mbox_check_native_mode(POCE_SOFTC sc);
1048 int oce_mbox_post(POCE_SOFTC sc,
1049 		  struct oce_mbx *mbx, struct oce_mbx_ctx *mbxctx);
1050 int oce_mbox_write_flashrom(POCE_SOFTC sc, uint32_t optype,uint32_t opcode,
1051 				POCE_DMA_MEM pdma_mem, uint32_t num_bytes);
1052 int oce_mbox_lancer_write_flashrom(POCE_SOFTC sc, uint32_t data_size,
1053 			uint32_t data_offset,POCE_DMA_MEM pdma_mem,
1054 			uint32_t *written_data, uint32_t *additional_status);
1055 
1056 int oce_mbox_get_flashrom_crc(POCE_SOFTC sc, uint8_t *flash_crc,
1057 				uint32_t offset, uint32_t optype);
1058 int oce_mbox_get_phy_info(POCE_SOFTC sc, struct oce_phy_info *phy_info);
1059 int oce_mbox_create_rq(struct oce_rq *rq);
1060 int oce_mbox_create_wq(struct oce_wq *wq);
1061 int oce_mbox_create_eq(struct oce_eq *eq);
1062 int oce_mbox_cq_create(struct oce_cq *cq, uint32_t ncoalesce,
1063 			 uint32_t is_eventable);
1064 int oce_mbox_read_transrecv_data(POCE_SOFTC sc, uint32_t page_num);
1065 void oce_mbox_eqd_modify_periodic(POCE_SOFTC sc, struct oce_set_eqd *set_eqd,
1066 					int num);
1067 int oce_get_profile_config(POCE_SOFTC sc, uint32_t max_rss);
1068 int oce_get_func_config(POCE_SOFTC sc);
1069 void mbx_common_req_hdr_init(struct mbx_hdr *hdr,
1070 			     uint8_t dom,
1071 			     uint8_t port,
1072 			     uint8_t subsys,
1073 			     uint8_t opcode,
1074 			     uint32_t timeout, uint32_t pyld_len,
1075 			     uint8_t version);
1076 
1077 uint16_t oce_mq_handler(void *arg);
1078 
1079 /************************************************************
1080  * Transmit functions
1081  ************************************************************/
1082 uint16_t oce_wq_handler(void *arg);
1083 void	 oce_start(if_t ifp);
1084 void	 oce_tx_task(void *arg, int npending);
1085 
1086 /************************************************************
1087  * Receive functions
1088  ************************************************************/
1089 int	 oce_alloc_rx_bufs(struct oce_rq *rq, int count);
1090 uint16_t oce_rq_handler(void *arg);
1091 
1092 /* Sysctl functions */
1093 void oce_add_sysctls(POCE_SOFTC sc);
1094 void oce_refresh_queue_stats(POCE_SOFTC sc);
1095 int  oce_refresh_nic_stats(POCE_SOFTC sc);
1096 int  oce_stats_init(POCE_SOFTC sc);
1097 void oce_stats_free(POCE_SOFTC sc);
1098 
1099 /* hw lro functions */
1100 int oce_mbox_nic_query_lro_capabilities(POCE_SOFTC sc, uint32_t *lro_rq_cnt, uint32_t *lro_flags);
1101 int oce_mbox_nic_set_iface_lro_config(POCE_SOFTC sc, int enable);
1102 int oce_mbox_create_rq_v2(struct oce_rq *rq);
1103 
1104 /* Capabilities */
1105 #define OCE_MODCAP_RSS			1
1106 #define OCE_MAX_RSP_HANDLED		64
1107 extern uint32_t oce_max_rsp_handled;	/* max responses */
1108 extern uint32_t oce_rq_buf_size;
1109 
1110 #define OCE_MAC_LOOPBACK		0x0
1111 #define OCE_PHY_LOOPBACK		0x1
1112 #define OCE_ONE_PORT_EXT_LOOPBACK	0x2
1113 #define OCE_NO_LOOPBACK			0xff
1114 
1115 #undef IFM_40G_SR4
1116 #define IFM_40G_SR4			28
1117 
1118 #define atomic_inc_32(x)		atomic_add_32(x, 1)
1119 #define atomic_dec_32(x)		atomic_subtract_32(x, 1)
1120 
1121 #define LE_64(x)			htole64(x)
1122 #define LE_32(x)			htole32(x)
1123 #define LE_16(x)			htole16(x)
1124 #define HOST_64(x)			le64toh(x)
1125 #define HOST_32(x)			le32toh(x)
1126 #define HOST_16(x)			le16toh(x)
1127 #define DW_SWAP(x, l)
1128 #define IS_ALIGNED(x,a)			((x % a) == 0)
1129 #define ADDR_HI(x)			((uint32_t)((uint64_t)(x) >> 32))
1130 #define ADDR_LO(x)			((uint32_t)((uint64_t)(x) & 0xffffffff));
1131 
1132 #define IF_LRO_ENABLED(sc)  ((if_getcapenable((sc)->ifp) & IFCAP_LRO) ? 1:0)
1133 #define IF_LSO_ENABLED(sc)  ((if_getcapenable((sc)->ifp) & IFCAP_TSO4) ? 1:0)
1134 #define IF_CSUM_ENABLED(sc) ((if_getcapenable((sc)->ifp) & IFCAP_HWCSUM) ? 1:0)
1135 
1136 #define OCE_LOG2(x) 			(oce_highbit(x))
1137 static inline uint32_t oce_highbit(uint32_t x)
1138 {
1139 	int i;
1140 	int c;
1141 	int b;
1142 
1143 	c = 0;
1144 	b = 0;
1145 
1146 	for (i = 0; i < 32; i++) {
1147 		if ((1 << i) & x) {
1148 			c++;
1149 			b = i;
1150 		}
1151 	}
1152 
1153 	if (c == 1)
1154 		return b;
1155 
1156 	return 0;
1157 }
1158 
1159 static inline int MPU_EP_SEMAPHORE(POCE_SOFTC sc)
1160 {
1161 	if (IS_BE(sc))
1162 		return MPU_EP_SEMAPHORE_BE3;
1163 	else if (IS_SH(sc))
1164 		return MPU_EP_SEMAPHORE_SH;
1165 	else
1166 		return MPU_EP_SEMAPHORE_XE201;
1167 }
1168 
1169 #define TRANSCEIVER_DATA_NUM_ELE 64
1170 #define TRANSCEIVER_DATA_SIZE 256
1171 #define TRANSCEIVER_A0_SIZE 128
1172 #define TRANSCEIVER_A2_SIZE 128
1173 #define PAGE_NUM_A0 0xa0
1174 #define PAGE_NUM_A2 0xa2
1175 #define IS_QNQ_OR_UMC(sc) ((sc->pvid && (sc->function_mode & FNM_UMC_MODE ))\
1176 		     || (sc->qnqid && (sc->function_mode & FNM_FLEX10_MODE)))
1177 extern uint8_t sfp_vpd_dump_buffer[TRANSCEIVER_DATA_SIZE];
1178 
1179 struct oce_rdma_info;
1180 extern struct oce_rdma_if *oce_rdma_if;
1181 
1182 /* OS2BMC related */
1183 
1184 #define DHCP_CLIENT_PORT        68
1185 #define DHCP_SERVER_PORT        67
1186 #define NET_BIOS_PORT1          137
1187 #define NET_BIOS_PORT2          138
1188 #define DHCPV6_RAS_PORT         547
1189 
1190 #define BMC_FILT_BROADCAST_ARP                          ((uint32_t)(1))
1191 #define BMC_FILT_BROADCAST_DHCP_CLIENT                  ((uint32_t)(1 << 1))
1192 #define BMC_FILT_BROADCAST_DHCP_SERVER                  ((uint32_t)(1 << 2))
1193 #define BMC_FILT_BROADCAST_NET_BIOS                     ((uint32_t)(1 << 3))
1194 #define BMC_FILT_BROADCAST                              ((uint32_t)(1 << 4))
1195 #define BMC_FILT_MULTICAST_IPV6_NEIGH_ADVER             ((uint32_t)(1 << 5))
1196 #define BMC_FILT_MULTICAST_IPV6_RA                      ((uint32_t)(1 << 6))
1197 #define BMC_FILT_MULTICAST_IPV6_RAS                     ((uint32_t)(1 << 7))
1198 #define BMC_FILT_MULTICAST                              ((uint32_t)(1 << 8))
1199 
1200 #define	ND_ROUTER_ADVERT	134
1201 #define	ND_NEIGHBOR_ADVERT	136
1202 
1203 #define is_mc_allowed_on_bmc(sc, eh)       \
1204 	(!is_multicast_filt_enabled(sc) && \
1205 	ETHER_IS_MULTICAST(eh->ether_dhost) && \
1206 	!ETHER_IS_BROADCAST(eh->ether_dhost))
1207 
1208 #define is_bc_allowed_on_bmc(sc, eh)       \
1209 	(!is_broadcast_filt_enabled(sc) && \
1210 	ETHER_IS_BROADCAST(eh->ether_dhost))
1211 
1212 #define is_arp_allowed_on_bmc(sc, et)     \
1213 	(is_arp(et) && is_arp_filt_enabled(sc))
1214 
1215 #define is_arp(et)     (et == ETHERTYPE_ARP)
1216 
1217 #define is_arp_filt_enabled(sc)    \
1218 	(sc->bmc_filt_mask & (BMC_FILT_BROADCAST_ARP))
1219 
1220 #define is_dhcp_client_filt_enabled(sc)    \
1221 	(sc->bmc_filt_mask & BMC_FILT_BROADCAST_DHCP_CLIENT)
1222 
1223 #define is_dhcp_srvr_filt_enabled(sc)      \
1224 	(sc->bmc_filt_mask & BMC_FILT_BROADCAST_DHCP_SERVER)
1225 
1226 #define is_nbios_filt_enabled(sc)  \
1227 	(sc->bmc_filt_mask & BMC_FILT_BROADCAST_NET_BIOS)
1228 
1229 #define is_ipv6_na_filt_enabled(sc)        \
1230 	(sc->bmc_filt_mask &       \
1231 	BMC_FILT_MULTICAST_IPV6_NEIGH_ADVER)
1232 
1233 #define is_ipv6_ra_filt_enabled(sc)        \
1234 	(sc->bmc_filt_mask & BMC_FILT_MULTICAST_IPV6_RA)
1235 
1236 #define is_ipv6_ras_filt_enabled(sc)       \
1237 	(sc->bmc_filt_mask & BMC_FILT_MULTICAST_IPV6_RAS)
1238 
1239 #define is_broadcast_filt_enabled(sc)      \
1240 	(sc->bmc_filt_mask & BMC_FILT_BROADCAST)
1241 
1242 #define is_multicast_filt_enabled(sc)      \
1243 	(sc->bmc_filt_mask & BMC_FILT_MULTICAST)
1244 
1245 #define is_os2bmc_enabled(sc) (sc->flags & OCE_FLAGS_OS2BMC)
1246 
1247 #define LRO_FLAGS_HASH_MODE 0x00000001
1248 #define LRO_FLAGS_RSS_MODE 0x00000004
1249 #define LRO_FLAGS_CLSC_IPV4 0x00000010
1250 #define LRO_FLAGS_CLSC_IPV6 0x00000020
1251 #define NIC_RQ_FLAGS_RSS 0x0001
1252 #define NIC_RQ_FLAGS_LRO 0x0020
1253