xref: /freebsd/sys/dev/oce/oce_if.h (revision eda14cbc264d6969b02f2b1994cef11148e914f1)
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 
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 
168 #define RSS_ENABLE_IPV4			0x1
169 #define RSS_ENABLE_TCP_IPV4		0x2
170 #define RSS_ENABLE_IPV6			0x4
171 #define RSS_ENABLE_TCP_IPV6		0x8
172 
173 #define INDIRECTION_TABLE_ENTRIES	128
174 
175 /* flow control definitions */
176 #define OCE_FC_NONE			0x00000000
177 #define OCE_FC_TX			0x00000001
178 #define OCE_FC_RX			0x00000002
179 #define OCE_DEFAULT_FLOW_CONTROL	(OCE_FC_TX | OCE_FC_RX)
180 
181 
182 /* Interface capabilities to give device when creating interface */
183 #define  OCE_CAPAB_FLAGS 		(MBX_RX_IFACE_FLAGS_BROADCAST    | \
184 					MBX_RX_IFACE_FLAGS_UNTAGGED      | \
185 					MBX_RX_IFACE_FLAGS_PROMISCUOUS      | \
186 					MBX_RX_IFACE_FLAGS_VLAN_PROMISCUOUS |	\
187 					MBX_RX_IFACE_FLAGS_MCAST_PROMISCUOUS   | \
188 					MBX_RX_IFACE_FLAGS_RSS | \
189 					MBX_RX_IFACE_FLAGS_PASS_L3L4_ERR)
190 
191 /* Interface capabilities to enable by default (others set dynamically) */
192 #define  OCE_CAPAB_ENABLE		(MBX_RX_IFACE_FLAGS_BROADCAST | \
193 					MBX_RX_IFACE_FLAGS_UNTAGGED   | \
194 					MBX_RX_IFACE_FLAGS_PASS_L3L4_ERR)
195 
196 #define OCE_IF_HWASSIST			(CSUM_IP | CSUM_TCP | CSUM_UDP)
197 #define OCE_IF_CAPABILITIES		(IFCAP_VLAN_MTU | IFCAP_VLAN_HWTAGGING | \
198 					IFCAP_HWCSUM | IFCAP_VLAN_HWCSUM | \
199 					IFCAP_JUMBO_MTU | IFCAP_VLAN_MTU)
200 #define OCE_IF_HWASSIST_NONE		0
201 #define OCE_IF_CAPABILITIES_NONE 	0
202 
203 
204 #define MAX_VLANFILTER_SIZE		64
205 #define MAX_VLANS			4096
206 
207 #define upper_32_bits(n)		((uint32_t)(((n) >> 16) >> 16))
208 #define BSWAP_8(x)			((x) & 0xff)
209 #define BSWAP_16(x)			((BSWAP_8(x) << 8) | BSWAP_8((x) >> 8))
210 #define BSWAP_32(x)			((BSWAP_16(x) << 16) | \
211 					 BSWAP_16((x) >> 16))
212 #define BSWAP_64(x)			((BSWAP_32(x) << 32) | \
213 					BSWAP_32((x) >> 32))
214 
215 #define for_all_wq_queues(sc, wq, i) 	\
216 		for (i = 0, wq = sc->wq[0]; i < sc->nwqs; i++, wq = sc->wq[i])
217 #define for_all_rq_queues(sc, rq, i) 	\
218 		for (i = 0, rq = sc->rq[0]; i < sc->nrqs; i++, rq = sc->rq[i])
219 #define for_all_rss_queues(sc, rq, i) 	\
220 		for (i = 0, rq = sc->rq[i + 1]; i < (sc->nrqs - 1); \
221 		     i++, rq = sc->rq[i + 1])
222 #define for_all_evnt_queues(sc, eq, i) 	\
223 		for (i = 0, eq = sc->eq[0]; i < sc->neqs; i++, eq = sc->eq[i])
224 #define for_all_cq_queues(sc, cq, i) 	\
225 		for (i = 0, cq = sc->cq[0]; i < sc->ncqs; i++, cq = sc->cq[i])
226 
227 
228 /* Flash specific */
229 #define IOCTL_COOKIE			"SERVERENGINES CORP"
230 #define MAX_FLASH_COMP			32
231 
232 #define IMG_ISCSI			160
233 #define IMG_REDBOOT			224
234 #define IMG_BIOS			34
235 #define IMG_PXEBIOS			32
236 #define IMG_FCOEBIOS			33
237 #define IMG_ISCSI_BAK			176
238 #define IMG_FCOE			162
239 #define IMG_FCOE_BAK			178
240 #define IMG_NCSI			16
241 #define IMG_PHY				192
242 #define FLASHROM_OPER_FLASH		1
243 #define FLASHROM_OPER_SAVE		2
244 #define FLASHROM_OPER_REPORT		4
245 #define FLASHROM_OPER_FLASH_PHY		9
246 #define FLASHROM_OPER_SAVE_PHY		10
247 #define TN_8022				13
248 
249 enum {
250 	PHY_TYPE_CX4_10GB = 0,
251 	PHY_TYPE_XFP_10GB,
252 	PHY_TYPE_SFP_1GB,
253 	PHY_TYPE_SFP_PLUS_10GB,
254 	PHY_TYPE_KR_10GB,
255 	PHY_TYPE_KX4_10GB,
256 	PHY_TYPE_BASET_10GB,
257 	PHY_TYPE_BASET_1GB,
258 	PHY_TYPE_BASEX_1GB,
259 	PHY_TYPE_SGMII,
260 	PHY_TYPE_DISABLED = 255
261 };
262 
263 /**
264  * @brief Define and hold all necessary info for a single interrupt
265  */
266 #define OCE_MAX_MSI			32 /* Message Signaled Interrupts */
267 #define OCE_MAX_MSIX			2048 /* PCI Express MSI Interrrupts */
268 
269 typedef struct oce_intr_info {
270 	void *tag;		/* cookie returned by bus_setup_intr */
271 	struct resource *intr_res;	/* PCI resource container */
272 	int irq_rr;		/* resource id for the interrupt */
273 	struct oce_softc *sc;	/* pointer to the parent soft c */
274 	struct oce_eq *eq;	/* pointer to the connected EQ */
275 	struct taskqueue *tq;	/* Associated task queue */
276 	struct task task;	/* task queue task */
277 	char task_name[32];	/* task name */
278 	int vector;		/* interrupt vector number */
279 } OCE_INTR_INFO, *POCE_INTR_INFO;
280 
281 
282 /* Ring related */
283 #define	GET_Q_NEXT(_START, _STEP, _END)	\
284 	(((_START) + (_STEP)) < (_END) ? ((_START) + (_STEP)) \
285 	: (((_START) + (_STEP)) - (_END)))
286 
287 #define	DBUF_PA(obj)			((obj)->addr)
288 #define	DBUF_VA(obj) 			((obj)->ptr)
289 #define	DBUF_TAG(obj) 			((obj)->tag)
290 #define	DBUF_MAP(obj) 			((obj)->map)
291 #define	DBUF_SYNC(obj, flags) 		\
292 		(void) bus_dmamap_sync(DBUF_TAG(obj), DBUF_MAP(obj), (flags))
293 
294 #define	RING_NUM_PENDING(ring)		ring->num_used
295 #define	RING_FULL(ring) 		(ring->num_used == ring->num_items)
296 #define	RING_EMPTY(ring) 		(ring->num_used == 0)
297 #define	RING_NUM_FREE(ring)		\
298 		(uint32_t)(ring->num_items - ring->num_used)
299 #define	RING_GET(ring, n)		\
300 		ring->cidx = GET_Q_NEXT(ring->cidx, n, ring->num_items)
301 #define	RING_PUT(ring, n)		\
302 		ring->pidx = GET_Q_NEXT(ring->pidx, n, ring->num_items)
303 
304 #define	RING_GET_CONSUMER_ITEM_VA(ring, type) 	\
305 	(void*)((type *)DBUF_VA(&ring->dma) + ring->cidx)
306 #define	RING_GET_CONSUMER_ITEM_PA(ring, type)		\
307 	(uint64_t)(((type *)DBUF_PA(ring->dbuf)) + ring->cidx)
308 #define	RING_GET_PRODUCER_ITEM_VA(ring, type)		\
309 	(void *)(((type *)DBUF_VA(&ring->dma)) + ring->pidx)
310 #define	RING_GET_PRODUCER_ITEM_PA(ring, type)		\
311 	(uint64_t)(((type *)DBUF_PA(ring->dbuf)) + ring->pidx)
312 
313 #define OCE_DMAPTR(o, c) 		((c *)(o)->ptr)
314 
315 struct oce_packet_desc {
316 	struct mbuf *mbuf;
317 	bus_dmamap_t map;
318 	int nsegs;
319 	uint32_t wqe_idx;
320 };
321 
322 typedef struct oce_dma_mem {
323 	bus_dma_tag_t tag;
324 	bus_dmamap_t map;
325 	void *ptr;
326 	bus_addr_t paddr;
327 } OCE_DMA_MEM, *POCE_DMA_MEM;
328 
329 typedef struct oce_ring_buffer_s {
330 	uint16_t cidx;	/* Get ptr */
331 	uint16_t pidx;	/* Put Ptr */
332 	size_t item_size;
333 	size_t num_items;
334 	uint32_t num_used;
335 	OCE_DMA_MEM dma;
336 } oce_ring_buffer_t;
337 
338 /* Stats */
339 #define OCE_UNICAST_PACKET	0
340 #define OCE_MULTICAST_PACKET	1
341 #define OCE_BROADCAST_PACKET	2
342 #define OCE_RSVD_PACKET		3
343 
344 struct oce_rx_stats {
345 	/* Total Receive Stats*/
346 	uint64_t t_rx_pkts;
347 	uint64_t t_rx_bytes;
348 	uint32_t t_rx_frags;
349 	uint32_t t_rx_mcast_pkts;
350 	uint32_t t_rx_ucast_pkts;
351 	uint32_t t_rxcp_errs;
352 };
353 struct oce_tx_stats {
354 	/*Total Transmit Stats */
355 	uint64_t t_tx_pkts;
356 	uint64_t t_tx_bytes;
357 	uint32_t t_tx_reqs;
358 	uint32_t t_tx_stops;
359 	uint32_t t_tx_wrbs;
360 	uint32_t t_tx_compl;
361 	uint32_t t_ipv6_ext_hdr_tx_drop;
362 };
363 
364 struct oce_be_stats {
365 	uint8_t  be_on_die_temperature;
366 	uint32_t be_tx_events;
367 	uint32_t eth_red_drops;
368 	uint32_t rx_drops_no_pbuf;
369 	uint32_t rx_drops_no_txpb;
370 	uint32_t rx_drops_no_erx_descr;
371 	uint32_t rx_drops_no_tpre_descr;
372 	uint32_t rx_drops_too_many_frags;
373 	uint32_t rx_drops_invalid_ring;
374 	uint32_t forwarded_packets;
375 	uint32_t rx_drops_mtu;
376 	uint32_t rx_crc_errors;
377 	uint32_t rx_alignment_symbol_errors;
378 	uint32_t rx_pause_frames;
379 	uint32_t rx_priority_pause_frames;
380 	uint32_t rx_control_frames;
381 	uint32_t rx_in_range_errors;
382 	uint32_t rx_out_range_errors;
383 	uint32_t rx_frame_too_long;
384 	uint32_t rx_address_match_errors;
385 	uint32_t rx_dropped_too_small;
386 	uint32_t rx_dropped_too_short;
387 	uint32_t rx_dropped_header_too_small;
388 	uint32_t rx_dropped_tcp_length;
389 	uint32_t rx_dropped_runt;
390 	uint32_t rx_ip_checksum_errs;
391 	uint32_t rx_tcp_checksum_errs;
392 	uint32_t rx_udp_checksum_errs;
393 	uint32_t rx_switched_unicast_packets;
394 	uint32_t rx_switched_multicast_packets;
395 	uint32_t rx_switched_broadcast_packets;
396 	uint32_t tx_pauseframes;
397 	uint32_t tx_priority_pauseframes;
398 	uint32_t tx_controlframes;
399 	uint32_t rxpp_fifo_overflow_drop;
400 	uint32_t rx_input_fifo_overflow_drop;
401 	uint32_t pmem_fifo_overflow_drop;
402 	uint32_t jabber_events;
403 };
404 
405 struct oce_xe201_stats {
406 	uint64_t tx_pkts;
407 	uint64_t tx_unicast_pkts;
408 	uint64_t tx_multicast_pkts;
409 	uint64_t tx_broadcast_pkts;
410 	uint64_t tx_bytes;
411 	uint64_t tx_unicast_bytes;
412 	uint64_t tx_multicast_bytes;
413 	uint64_t tx_broadcast_bytes;
414 	uint64_t tx_discards;
415 	uint64_t tx_errors;
416 	uint64_t tx_pause_frames;
417 	uint64_t tx_pause_on_frames;
418 	uint64_t tx_pause_off_frames;
419 	uint64_t tx_internal_mac_errors;
420 	uint64_t tx_control_frames;
421 	uint64_t tx_pkts_64_bytes;
422 	uint64_t tx_pkts_65_to_127_bytes;
423 	uint64_t tx_pkts_128_to_255_bytes;
424 	uint64_t tx_pkts_256_to_511_bytes;
425 	uint64_t tx_pkts_512_to_1023_bytes;
426 	uint64_t tx_pkts_1024_to_1518_bytes;
427 	uint64_t tx_pkts_1519_to_2047_bytes;
428 	uint64_t tx_pkts_2048_to_4095_bytes;
429 	uint64_t tx_pkts_4096_to_8191_bytes;
430 	uint64_t tx_pkts_8192_to_9216_bytes;
431 	uint64_t tx_lso_pkts;
432 	uint64_t rx_pkts;
433 	uint64_t rx_unicast_pkts;
434 	uint64_t rx_multicast_pkts;
435 	uint64_t rx_broadcast_pkts;
436 	uint64_t rx_bytes;
437 	uint64_t rx_unicast_bytes;
438 	uint64_t rx_multicast_bytes;
439 	uint64_t rx_broadcast_bytes;
440 	uint32_t rx_unknown_protos;
441 	uint64_t rx_discards;
442 	uint64_t rx_errors;
443 	uint64_t rx_crc_errors;
444 	uint64_t rx_alignment_errors;
445 	uint64_t rx_symbol_errors;
446 	uint64_t rx_pause_frames;
447 	uint64_t rx_pause_on_frames;
448 	uint64_t rx_pause_off_frames;
449 	uint64_t rx_frames_too_long;
450 	uint64_t rx_internal_mac_errors;
451 	uint32_t rx_undersize_pkts;
452 	uint32_t rx_oversize_pkts;
453 	uint32_t rx_fragment_pkts;
454 	uint32_t rx_jabbers;
455 	uint64_t rx_control_frames;
456 	uint64_t rx_control_frames_unknown_opcode;
457 	uint32_t rx_in_range_errors;
458 	uint32_t rx_out_of_range_errors;
459 	uint32_t rx_address_match_errors;
460 	uint32_t rx_vlan_mismatch_errors;
461 	uint32_t rx_dropped_too_small;
462 	uint32_t rx_dropped_too_short;
463 	uint32_t rx_dropped_header_too_small;
464 	uint32_t rx_dropped_invalid_tcp_length;
465 	uint32_t rx_dropped_runt;
466 	uint32_t rx_ip_checksum_errors;
467 	uint32_t rx_tcp_checksum_errors;
468 	uint32_t rx_udp_checksum_errors;
469 	uint32_t rx_non_rss_pkts;
470 	uint64_t rx_ipv4_pkts;
471 	uint64_t rx_ipv6_pkts;
472 	uint64_t rx_ipv4_bytes;
473 	uint64_t rx_ipv6_bytes;
474 	uint64_t rx_nic_pkts;
475 	uint64_t rx_tcp_pkts;
476 	uint64_t rx_iscsi_pkts;
477 	uint64_t rx_management_pkts;
478 	uint64_t rx_switched_unicast_pkts;
479 	uint64_t rx_switched_multicast_pkts;
480 	uint64_t rx_switched_broadcast_pkts;
481 	uint64_t num_forwards;
482 	uint32_t rx_fifo_overflow;
483 	uint32_t rx_input_fifo_overflow;
484 	uint64_t rx_drops_too_many_frags;
485 	uint32_t rx_drops_invalid_queue;
486 	uint64_t rx_drops_mtu;
487 	uint64_t rx_pkts_64_bytes;
488 	uint64_t rx_pkts_65_to_127_bytes;
489 	uint64_t rx_pkts_128_to_255_bytes;
490 	uint64_t rx_pkts_256_to_511_bytes;
491 	uint64_t rx_pkts_512_to_1023_bytes;
492 	uint64_t rx_pkts_1024_to_1518_bytes;
493 	uint64_t rx_pkts_1519_to_2047_bytes;
494 	uint64_t rx_pkts_2048_to_4095_bytes;
495 	uint64_t rx_pkts_4096_to_8191_bytes;
496 	uint64_t rx_pkts_8192_to_9216_bytes;
497 };
498 
499 struct oce_drv_stats {
500 	struct oce_rx_stats rx;
501 	struct oce_tx_stats tx;
502 	union {
503 		struct oce_be_stats be;
504 		struct oce_xe201_stats xe201;
505 	} u0;
506 };
507 
508 #define INTR_RATE_HWM                   15000
509 #define INTR_RATE_LWM                   10000
510 
511 #define OCE_MAX_EQD 128u
512 #define OCE_MIN_EQD 0u
513 
514 struct oce_set_eqd {
515 	uint32_t eq_id;
516 	uint32_t phase;
517 	uint32_t delay_multiplier;
518 };
519 
520 struct oce_aic_obj {             /* Adaptive interrupt coalescing (AIC) info */
521 	boolean_t enable;
522 	uint32_t  min_eqd;            /* in usecs */
523 	uint32_t  max_eqd;            /* in usecs */
524 	uint32_t  cur_eqd;            /* in usecs */
525 	uint32_t  et_eqd;             /* configured value when aic is off */
526 	uint64_t  ticks;
527 	uint64_t  prev_rxpkts;
528 	uint64_t  prev_txreqs;
529 };
530 
531 #define MAX_LOCK_DESC_LEN			32
532 struct oce_lock {
533 	struct mtx mutex;
534 	char name[MAX_LOCK_DESC_LEN+1];
535 };
536 #define OCE_LOCK				struct oce_lock
537 
538 #define LOCK_CREATE(lock, desc) 		{ \
539 	strncpy((lock)->name, (desc), MAX_LOCK_DESC_LEN); \
540 	(lock)->name[MAX_LOCK_DESC_LEN] = '\0'; \
541 	mtx_init(&(lock)->mutex, (lock)->name, NULL, MTX_DEF); \
542 }
543 #define LOCK_DESTROY(lock) 			\
544 		if (mtx_initialized(&(lock)->mutex))\
545 			mtx_destroy(&(lock)->mutex)
546 #define TRY_LOCK(lock)				mtx_trylock(&(lock)->mutex)
547 #define LOCK(lock)				mtx_lock(&(lock)->mutex)
548 #define LOCKED(lock)				mtx_owned(&(lock)->mutex)
549 #define UNLOCK(lock)				mtx_unlock(&(lock)->mutex)
550 
551 #define	DEFAULT_MQ_MBOX_TIMEOUT			(5 * 1000 * 1000)
552 #define	MBX_READY_TIMEOUT			(1 * 1000 * 1000)
553 #define	DEFAULT_DRAIN_TIME			200
554 #define	MBX_TIMEOUT_SEC				5
555 #define	STAT_TIMEOUT				2000000
556 
557 /* size of the packet descriptor array in a transmit queue */
558 #define OCE_TX_RING_SIZE			2048
559 #define OCE_RX_RING_SIZE			1024
560 #define OCE_WQ_PACKET_ARRAY_SIZE		(OCE_TX_RING_SIZE/2)
561 #define OCE_RQ_PACKET_ARRAY_SIZE		(OCE_RX_RING_SIZE)
562 
563 struct oce_dev;
564 
565 enum eq_len {
566 	EQ_LEN_256  = 256,
567 	EQ_LEN_512  = 512,
568 	EQ_LEN_1024 = 1024,
569 	EQ_LEN_2048 = 2048,
570 	EQ_LEN_4096 = 4096
571 };
572 
573 enum eqe_size {
574 	EQE_SIZE_4  = 4,
575 	EQE_SIZE_16 = 16
576 };
577 
578 enum qtype {
579 	QTYPE_EQ,
580 	QTYPE_MQ,
581 	QTYPE_WQ,
582 	QTYPE_RQ,
583 	QTYPE_CQ,
584 	QTYPE_RSS
585 };
586 
587 typedef enum qstate_e {
588 	QDELETED = 0x0,
589 	QCREATED = 0x1
590 } qstate_t;
591 
592 struct eq_config {
593 	enum eq_len q_len;
594 	enum eqe_size item_size;
595 	uint32_t q_vector_num;
596 	uint8_t min_eqd;
597 	uint8_t max_eqd;
598 	uint8_t cur_eqd;
599 	uint8_t pad;
600 };
601 
602 struct oce_eq {
603 	uint32_t eq_id;
604 	void *parent;
605 	void *cb_context;
606 	oce_ring_buffer_t *ring;
607 	uint32_t ref_count;
608 	qstate_t qstate;
609 	struct oce_cq *cq[OCE_MAX_CQ_EQ];
610 	int cq_valid;
611 	struct eq_config eq_cfg;
612 	int vector;
613 	uint64_t intr;
614 };
615 
616 enum cq_len {
617 	CQ_LEN_256  = 256,
618 	CQ_LEN_512  = 512,
619 	CQ_LEN_1024 = 1024,
620 	CQ_LEN_2048 = 2048
621 };
622 
623 struct cq_config {
624 	enum cq_len q_len;
625 	uint32_t item_size;
626 	boolean_t is_eventable;
627 	boolean_t sol_eventable;
628 	boolean_t nodelay;
629 	uint16_t dma_coalescing;
630 };
631 
632 typedef uint16_t(*cq_handler_t) (void *arg1);
633 
634 struct oce_cq {
635 	uint32_t cq_id;
636 	void *parent;
637 	struct oce_eq *eq;
638 	cq_handler_t cq_handler;
639 	void *cb_arg;
640 	oce_ring_buffer_t *ring;
641 	qstate_t qstate;
642 	struct cq_config cq_cfg;
643 	uint32_t ref_count;
644 };
645 
646 
647 struct mq_config {
648 	uint32_t eqd;
649 	uint8_t q_len;
650 	uint8_t pad[3];
651 };
652 
653 
654 struct oce_mq {
655 	void *parent;
656 	oce_ring_buffer_t *ring;
657 	uint32_t mq_id;
658 	struct oce_cq *cq;
659 	struct oce_cq *async_cq;
660 	uint32_t mq_free;
661 	qstate_t qstate;
662 	struct mq_config cfg;
663 };
664 
665 struct oce_mbx_ctx {
666 	struct oce_mbx *mbx;
667 	void (*cb) (void *ctx);
668 	void *cb_ctx;
669 };
670 
671 struct wq_config {
672 	uint8_t wq_type;
673 	uint16_t buf_size;
674 	uint8_t pad[1];
675 	uint32_t q_len;
676 	uint16_t pd_id;
677 	uint16_t pci_fn_num;
678 	uint32_t eqd;	/* interrupt delay */
679 	uint32_t nbufs;
680 	uint32_t nhdl;
681 };
682 
683 struct oce_tx_queue_stats {
684 	uint64_t tx_pkts;
685 	uint64_t tx_bytes;
686 	uint32_t tx_reqs;
687 	uint32_t tx_stops; /* number of times TX Q was stopped */
688 	uint32_t tx_wrbs;
689 	uint32_t tx_compl;
690 	uint32_t tx_rate;
691 	uint32_t ipv6_ext_hdr_tx_drop;
692 };
693 
694 struct oce_wq {
695 	OCE_LOCK tx_lock;
696 	OCE_LOCK tx_compl_lock;
697 	void *parent;
698 	oce_ring_buffer_t *ring;
699 	struct oce_cq *cq;
700 	bus_dma_tag_t tag;
701 	struct oce_packet_desc pckts[OCE_WQ_PACKET_ARRAY_SIZE];
702 	uint32_t pkt_desc_tail;
703 	uint32_t pkt_desc_head;
704 	uint32_t wqm_used;
705 	boolean_t resched;
706 	uint32_t wq_free;
707 	uint32_t tx_deferd;
708 	uint32_t pkt_drops;
709 	qstate_t qstate;
710 	uint16_t wq_id;
711 	struct wq_config cfg;
712 	int queue_index;
713 	struct oce_tx_queue_stats tx_stats;
714 	struct buf_ring *br;
715 	struct task txtask;
716 	uint32_t db_offset;
717 };
718 
719 struct rq_config {
720 	uint32_t q_len;
721 	uint32_t frag_size;
722 	uint32_t mtu;
723 	uint32_t if_id;
724 	uint32_t is_rss_queue;
725 	uint32_t eqd;
726 	uint32_t nbufs;
727 };
728 
729 struct oce_rx_queue_stats {
730 	uint32_t rx_post_fail;
731 	uint32_t rx_ucast_pkts;
732 	uint32_t rx_compl;
733 	uint64_t rx_bytes;
734 	uint64_t rx_bytes_prev;
735 	uint64_t rx_pkts;
736 	uint32_t rx_rate;
737 	uint32_t rx_mcast_pkts;
738 	uint32_t rxcp_err;
739 	uint32_t rx_frags;
740 	uint32_t prev_rx_frags;
741 	uint32_t rx_fps;
742 	uint32_t rx_drops_no_frags;  /* HW has no fetched frags */
743 };
744 
745 
746 struct oce_rq {
747 	struct rq_config cfg;
748 	uint32_t rq_id;
749 	int queue_index;
750 	uint32_t rss_cpuid;
751 	void *parent;
752 	oce_ring_buffer_t *ring;
753 	struct oce_cq *cq;
754 	void *pad1;
755 	bus_dma_tag_t tag;
756 	struct oce_packet_desc pckts[OCE_RQ_PACKET_ARRAY_SIZE];
757 	uint32_t pending;
758 #ifdef notdef
759 	struct mbuf *head;
760 	struct mbuf *tail;
761 	int fragsleft;
762 #endif
763 	qstate_t qstate;
764 	OCE_LOCK rx_lock;
765 	struct oce_rx_queue_stats rx_stats;
766 	struct lro_ctrl lro;
767 	int lro_pkts_queued;
768 	int islro;
769 	struct nic_hwlro_cqe_part1 *cqe_firstpart;
770 
771 };
772 
773 struct link_status {
774 	uint8_t phys_port_speed;
775 	uint8_t logical_link_status;
776 	uint16_t qos_link_speed;
777 };
778 
779 
780 
781 #define OCE_FLAGS_PCIX			0x00000001
782 #define OCE_FLAGS_PCIE			0x00000002
783 #define OCE_FLAGS_MSI_CAPABLE		0x00000004
784 #define OCE_FLAGS_MSIX_CAPABLE		0x00000008
785 #define OCE_FLAGS_USING_MSI		0x00000010
786 #define OCE_FLAGS_USING_MSIX		0x00000020
787 #define OCE_FLAGS_FUNCRESET_RQD		0x00000040
788 #define OCE_FLAGS_VIRTUAL_PORT		0x00000080
789 #define OCE_FLAGS_MBOX_ENDIAN_RQD	0x00000100
790 #define OCE_FLAGS_BE3			0x00000200
791 #define OCE_FLAGS_XE201			0x00000400
792 #define OCE_FLAGS_BE2			0x00000800
793 #define OCE_FLAGS_SH			0x00001000
794 #define	OCE_FLAGS_OS2BMC		0x00002000
795 
796 #define OCE_DEV_BE2_CFG_BAR		1
797 #define OCE_DEV_CFG_BAR			0
798 #define OCE_PCI_CSR_BAR			2
799 #define OCE_PCI_DB_BAR			4
800 
801 typedef struct oce_softc {
802 	device_t dev;
803 	OCE_LOCK dev_lock;
804 
805 	uint32_t flags;
806 
807 	uint32_t pcie_link_speed;
808 	uint32_t pcie_link_width;
809 
810 	uint8_t fn; /* PCI function number */
811 
812 	struct resource *devcfg_res;
813 	bus_space_tag_t devcfg_btag;
814 	bus_space_handle_t devcfg_bhandle;
815 	void *devcfg_vhandle;
816 
817 	struct resource *csr_res;
818 	bus_space_tag_t csr_btag;
819 	bus_space_handle_t csr_bhandle;
820 	void *csr_vhandle;
821 
822 	struct resource *db_res;
823 	bus_space_tag_t db_btag;
824 	bus_space_handle_t db_bhandle;
825 	void *db_vhandle;
826 
827 	OCE_INTR_INFO intrs[OCE_MAX_EQ];
828 	int intr_count;
829         int roce_intr_count;
830 
831 	struct ifnet *ifp;
832 
833 	struct ifmedia media;
834 	uint8_t link_status;
835 	uint8_t link_speed;
836 	uint8_t duplex;
837 	uint32_t qos_link_speed;
838 	uint32_t speed;
839 	uint32_t enable_hwlro;
840 
841 	char fw_version[32];
842 	struct mac_address_format macaddr;
843 
844 	OCE_DMA_MEM bsmbx;
845 	OCE_LOCK bmbx_lock;
846 
847 	uint32_t config_number;
848 	uint32_t asic_revision;
849 	uint32_t port_id;
850 	uint32_t function_mode;
851 	uint32_t function_caps;
852 	uint32_t max_tx_rings;
853 	uint32_t max_rx_rings;
854 
855 	struct oce_wq *wq[OCE_MAX_WQ];	/* TX work queues */
856 	struct oce_rq *rq[OCE_MAX_RQ];	/* RX work queues */
857 	struct oce_cq *cq[OCE_MAX_CQ];	/* Completion queues */
858 	struct oce_eq *eq[OCE_MAX_EQ];	/* Event queues */
859 	struct oce_mq *mq;		/* Mailbox queue */
860 
861 	uint32_t neqs;
862 	uint32_t ncqs;
863 	uint32_t nrqs;
864 	uint32_t nwqs;
865 	uint32_t nrssqs;
866 
867 	uint32_t tx_ring_size;
868 	uint32_t rx_ring_size;
869 	uint32_t rq_frag_size;
870 
871 	uint32_t if_id;		/* interface ID */
872 	uint32_t nifs;		/* number of adapter interfaces, 0 or 1 */
873 	uint32_t pmac_id;	/* PMAC id */
874 
875 	uint32_t if_cap_flags;
876 
877 	uint32_t flow_control;
878 	uint8_t  promisc;
879 
880 	struct oce_aic_obj aic_obj[OCE_MAX_EQ];
881 
882 	/*Vlan Filtering related */
883 	eventhandler_tag vlan_attach;
884 	eventhandler_tag vlan_detach;
885 	uint16_t vlans_added;
886 	uint8_t vlan_tag[MAX_VLANS];
887 	/*stats */
888 	OCE_DMA_MEM stats_mem;
889 	struct oce_drv_stats oce_stats_info;
890 	struct callout  timer;
891 	int8_t be3_native;
892 	uint8_t hw_error;
893 	uint16_t qnq_debug_event;
894 	uint16_t qnqid;
895 	uint32_t pvid;
896 	uint32_t max_vlans;
897 	uint32_t bmc_filt_mask;
898 
899         void *rdma_context;
900         uint32_t rdma_flags;
901         struct oce_softc *next;
902 
903 } OCE_SOFTC, *POCE_SOFTC;
904 
905 #define OCE_RDMA_FLAG_SUPPORTED         0x00000001
906 
907 
908 /**************************************************
909  * BUS memory read/write macros
910  * BE3: accesses three BAR spaces (CFG, CSR, DB)
911  * Lancer: accesses one BAR space (CFG)
912  **************************************************/
913 #define OCE_READ_CSR_MPU(sc, space, o) \
914 	((IS_BE(sc)) ? (bus_space_read_4((sc)->space##_btag, \
915 					(sc)->space##_bhandle,o)) \
916 				: (bus_space_read_4((sc)->devcfg_btag, \
917 					(sc)->devcfg_bhandle,o)))
918 #define OCE_READ_REG32(sc, space, o) \
919 	((IS_BE(sc) || IS_SH(sc)) ? (bus_space_read_4((sc)->space##_btag, \
920 					(sc)->space##_bhandle,o)) \
921 				: (bus_space_read_4((sc)->devcfg_btag, \
922 					(sc)->devcfg_bhandle,o)))
923 #define OCE_READ_REG16(sc, space, o) \
924 	((IS_BE(sc) || IS_SH(sc)) ? (bus_space_read_2((sc)->space##_btag, \
925 					(sc)->space##_bhandle,o)) \
926 				: (bus_space_read_2((sc)->devcfg_btag, \
927 					(sc)->devcfg_bhandle,o)))
928 #define OCE_READ_REG8(sc, space, o) \
929 	((IS_BE(sc) || IS_SH(sc)) ? (bus_space_read_1((sc)->space##_btag, \
930 					(sc)->space##_bhandle,o)) \
931 				: (bus_space_read_1((sc)->devcfg_btag, \
932 					(sc)->devcfg_bhandle,o)))
933 
934 #define OCE_WRITE_CSR_MPU(sc, space, o, v) \
935 	((IS_BE(sc)) ? (bus_space_write_4((sc)->space##_btag, \
936 				       (sc)->space##_bhandle,o,v)) \
937 				: (bus_space_write_4((sc)->devcfg_btag, \
938 					(sc)->devcfg_bhandle,o,v)))
939 #define OCE_WRITE_REG32(sc, space, o, v) \
940 	((IS_BE(sc) || IS_SH(sc)) ? (bus_space_write_4((sc)->space##_btag, \
941 				       (sc)->space##_bhandle,o,v)) \
942 				: (bus_space_write_4((sc)->devcfg_btag, \
943 					(sc)->devcfg_bhandle,o,v)))
944 #define OCE_WRITE_REG16(sc, space, o, v) \
945 	((IS_BE(sc) || IS_SH(sc)) ? (bus_space_write_2((sc)->space##_btag, \
946 				       (sc)->space##_bhandle,o,v)) \
947 				: (bus_space_write_2((sc)->devcfg_btag, \
948 					(sc)->devcfg_bhandle,o,v)))
949 #define OCE_WRITE_REG8(sc, space, o, v) \
950 	((IS_BE(sc) || IS_SH(sc)) ? (bus_space_write_1((sc)->space##_btag, \
951 				       (sc)->space##_bhandle,o,v)) \
952 				: (bus_space_write_1((sc)->devcfg_btag, \
953 					(sc)->devcfg_bhandle,o,v)))
954 
955 void oce_rx_flush_lro(struct oce_rq *rq);
956 /***********************************************************
957  * DMA memory functions
958  ***********************************************************/
959 #define oce_dma_sync(d, f)		bus_dmamap_sync((d)->tag, (d)->map, f)
960 int oce_dma_alloc(POCE_SOFTC sc, bus_size_t size, POCE_DMA_MEM dma, int flags);
961 void oce_dma_free(POCE_SOFTC sc, POCE_DMA_MEM dma);
962 void oce_dma_map_addr(void *arg, bus_dma_segment_t * segs, int nseg, int error);
963 void oce_destroy_ring_buffer(POCE_SOFTC sc, oce_ring_buffer_t *ring);
964 oce_ring_buffer_t *oce_create_ring_buffer(POCE_SOFTC sc,
965 					  uint32_t q_len, uint32_t num_entries);
966 /************************************************************
967  * oce_hw_xxx functions
968  ************************************************************/
969 int oce_clear_rx_buf(struct oce_rq *rq);
970 int oce_hw_pci_alloc(POCE_SOFTC sc);
971 int oce_hw_init(POCE_SOFTC sc);
972 int oce_hw_start(POCE_SOFTC sc);
973 int oce_create_nw_interface(POCE_SOFTC sc);
974 int oce_pci_soft_reset(POCE_SOFTC sc);
975 int oce_hw_update_multicast(POCE_SOFTC sc);
976 void oce_delete_nw_interface(POCE_SOFTC sc);
977 void oce_hw_shutdown(POCE_SOFTC sc);
978 void oce_hw_intr_enable(POCE_SOFTC sc);
979 void oce_hw_intr_disable(POCE_SOFTC sc);
980 void oce_hw_pci_free(POCE_SOFTC sc);
981 
982 /***********************************************************
983  * oce_queue_xxx functions
984  ***********************************************************/
985 int oce_queue_init_all(POCE_SOFTC sc);
986 int oce_start_rq(struct oce_rq *rq);
987 int oce_start_wq(struct oce_wq *wq);
988 int oce_start_mq(struct oce_mq *mq);
989 int oce_start_rx(POCE_SOFTC sc);
990 void oce_arm_eq(POCE_SOFTC sc,
991 		int16_t qid, int npopped, uint32_t rearm, uint32_t clearint);
992 void oce_queue_release_all(POCE_SOFTC sc);
993 void oce_arm_cq(POCE_SOFTC sc, int16_t qid, int npopped, uint32_t rearm);
994 void oce_drain_eq(struct oce_eq *eq);
995 void oce_drain_mq_cq(void *arg);
996 void oce_drain_rq_cq(struct oce_rq *rq);
997 void oce_drain_wq_cq(struct oce_wq *wq);
998 
999 uint32_t oce_page_list(oce_ring_buffer_t *ring, struct phys_addr *pa_list);
1000 
1001 /***********************************************************
1002  * cleanup  functions
1003  ***********************************************************/
1004 void oce_stop_rx(POCE_SOFTC sc);
1005 void oce_discard_rx_comp(struct oce_rq *rq, int num_frags);
1006 void oce_rx_cq_clean(struct oce_rq *rq);
1007 void oce_rx_cq_clean_hwlro(struct oce_rq *rq);
1008 void oce_intr_free(POCE_SOFTC sc);
1009 void oce_free_posted_rxbuf(struct oce_rq *rq);
1010 #if defined(INET6) || defined(INET)
1011 void oce_free_lro(POCE_SOFTC sc);
1012 #endif
1013 
1014 
1015 /************************************************************
1016  * Mailbox functions
1017  ************************************************************/
1018 int oce_fw_clean(POCE_SOFTC sc);
1019 int oce_wait_ready(POCE_SOFTC sc);
1020 int oce_reset_fun(POCE_SOFTC sc);
1021 int oce_mbox_init(POCE_SOFTC sc);
1022 int oce_mbox_dispatch(POCE_SOFTC sc, uint32_t tmo_sec);
1023 int oce_get_fw_version(POCE_SOFTC sc);
1024 int oce_first_mcc_cmd(POCE_SOFTC sc);
1025 
1026 int oce_read_mac_addr(POCE_SOFTC sc, uint32_t if_id, uint8_t perm,
1027 			uint8_t type, struct mac_address_format *mac);
1028 int oce_get_fw_config(POCE_SOFTC sc);
1029 int oce_if_create(POCE_SOFTC sc, uint32_t cap_flags, uint32_t en_flags,
1030 		uint16_t vlan_tag, uint8_t *mac_addr, uint32_t *if_id);
1031 int oce_if_del(POCE_SOFTC sc, uint32_t if_id);
1032 int oce_config_vlan(POCE_SOFTC sc, uint32_t if_id,
1033 		struct normal_vlan *vtag_arr, uint8_t vtag_cnt,
1034 		uint32_t untagged, uint32_t enable_promisc);
1035 int oce_set_flow_control(POCE_SOFTC sc, uint32_t flow_control);
1036 int oce_config_nic_rss(POCE_SOFTC sc, uint32_t if_id, uint16_t enable_rss);
1037 int oce_rxf_set_promiscuous(POCE_SOFTC sc, uint8_t enable);
1038 int oce_set_common_iface_rx_filter(POCE_SOFTC sc, POCE_DMA_MEM sgl);
1039 int oce_get_link_status(POCE_SOFTC sc, struct link_status *link);
1040 int oce_mbox_get_nic_stats_v0(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem);
1041 int oce_mbox_get_nic_stats_v1(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem);
1042 int oce_mbox_get_nic_stats_v2(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem);
1043 int oce_mbox_get_pport_stats(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem,
1044 				uint32_t reset_stats);
1045 int oce_mbox_get_vport_stats(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem,
1046 				uint32_t req_size, uint32_t reset_stats);
1047 int oce_update_multicast(POCE_SOFTC sc, POCE_DMA_MEM pdma_mem);
1048 int oce_pass_through_mbox(POCE_SOFTC sc, POCE_DMA_MEM dma_mem, uint32_t req_size);
1049 int oce_mbox_macaddr_del(POCE_SOFTC sc, uint32_t if_id, uint32_t pmac_id);
1050 int oce_mbox_macaddr_add(POCE_SOFTC sc, uint8_t *mac_addr,
1051 		uint32_t if_id, uint32_t *pmac_id);
1052 int oce_mbox_cmd_test_loopback(POCE_SOFTC sc, uint32_t port_num,
1053 	uint32_t loopback_type, uint32_t pkt_size, uint32_t num_pkts,
1054 	uint64_t pattern);
1055 
1056 int oce_mbox_cmd_set_loopback(POCE_SOFTC sc, uint8_t port_num,
1057 	uint8_t loopback_type, uint8_t enable);
1058 
1059 int oce_mbox_check_native_mode(POCE_SOFTC sc);
1060 int oce_mbox_post(POCE_SOFTC sc,
1061 		  struct oce_mbx *mbx, struct oce_mbx_ctx *mbxctx);
1062 int oce_mbox_write_flashrom(POCE_SOFTC sc, uint32_t optype,uint32_t opcode,
1063 				POCE_DMA_MEM pdma_mem, uint32_t num_bytes);
1064 int oce_mbox_lancer_write_flashrom(POCE_SOFTC sc, uint32_t data_size,
1065 			uint32_t data_offset,POCE_DMA_MEM pdma_mem,
1066 			uint32_t *written_data, uint32_t *additional_status);
1067 
1068 int oce_mbox_get_flashrom_crc(POCE_SOFTC sc, uint8_t *flash_crc,
1069 				uint32_t offset, uint32_t optype);
1070 int oce_mbox_get_phy_info(POCE_SOFTC sc, struct oce_phy_info *phy_info);
1071 int oce_mbox_create_rq(struct oce_rq *rq);
1072 int oce_mbox_create_wq(struct oce_wq *wq);
1073 int oce_mbox_create_eq(struct oce_eq *eq);
1074 int oce_mbox_cq_create(struct oce_cq *cq, uint32_t ncoalesce,
1075 			 uint32_t is_eventable);
1076 int oce_mbox_read_transrecv_data(POCE_SOFTC sc, uint32_t page_num);
1077 void oce_mbox_eqd_modify_periodic(POCE_SOFTC sc, struct oce_set_eqd *set_eqd,
1078 					int num);
1079 int oce_get_profile_config(POCE_SOFTC sc, uint32_t max_rss);
1080 int oce_get_func_config(POCE_SOFTC sc);
1081 void mbx_common_req_hdr_init(struct mbx_hdr *hdr,
1082 			     uint8_t dom,
1083 			     uint8_t port,
1084 			     uint8_t subsys,
1085 			     uint8_t opcode,
1086 			     uint32_t timeout, uint32_t pyld_len,
1087 			     uint8_t version);
1088 
1089 
1090 uint16_t oce_mq_handler(void *arg);
1091 
1092 /************************************************************
1093  * Transmit functions
1094  ************************************************************/
1095 uint16_t oce_wq_handler(void *arg);
1096 void	 oce_start(struct ifnet *ifp);
1097 void	 oce_tx_task(void *arg, int npending);
1098 
1099 /************************************************************
1100  * Receive functions
1101  ************************************************************/
1102 int	 oce_alloc_rx_bufs(struct oce_rq *rq, int count);
1103 uint16_t oce_rq_handler(void *arg);
1104 
1105 
1106 /* Sysctl functions */
1107 void oce_add_sysctls(POCE_SOFTC sc);
1108 void oce_refresh_queue_stats(POCE_SOFTC sc);
1109 int  oce_refresh_nic_stats(POCE_SOFTC sc);
1110 int  oce_stats_init(POCE_SOFTC sc);
1111 void oce_stats_free(POCE_SOFTC sc);
1112 
1113 /* hw lro functions */
1114 int oce_mbox_nic_query_lro_capabilities(POCE_SOFTC sc, uint32_t *lro_rq_cnt, uint32_t *lro_flags);
1115 int oce_mbox_nic_set_iface_lro_config(POCE_SOFTC sc, int enable);
1116 int oce_mbox_create_rq_v2(struct oce_rq *rq);
1117 
1118 /* Capabilities */
1119 #define OCE_MODCAP_RSS			1
1120 #define OCE_MAX_RSP_HANDLED		64
1121 extern uint32_t oce_max_rsp_handled;	/* max responses */
1122 extern uint32_t oce_rq_buf_size;
1123 
1124 #define OCE_MAC_LOOPBACK		0x0
1125 #define OCE_PHY_LOOPBACK		0x1
1126 #define OCE_ONE_PORT_EXT_LOOPBACK	0x2
1127 #define OCE_NO_LOOPBACK			0xff
1128 
1129 #undef IFM_40G_SR4
1130 #define IFM_40G_SR4			28
1131 
1132 #define atomic_inc_32(x)		atomic_add_32(x, 1)
1133 #define atomic_dec_32(x)		atomic_subtract_32(x, 1)
1134 
1135 #define LE_64(x)			htole64(x)
1136 #define LE_32(x)			htole32(x)
1137 #define LE_16(x)			htole16(x)
1138 #define HOST_64(x)			le64toh(x)
1139 #define HOST_32(x)			le32toh(x)
1140 #define HOST_16(x)			le16toh(x)
1141 #define DW_SWAP(x, l)
1142 #define IS_ALIGNED(x,a)			((x % a) == 0)
1143 #define ADDR_HI(x)			((uint32_t)((uint64_t)(x) >> 32))
1144 #define ADDR_LO(x)			((uint32_t)((uint64_t)(x) & 0xffffffff));
1145 
1146 #define IF_LRO_ENABLED(sc)  (((sc)->ifp->if_capenable & IFCAP_LRO) ? 1:0)
1147 #define IF_LSO_ENABLED(sc)  (((sc)->ifp->if_capenable & IFCAP_TSO4) ? 1:0)
1148 #define IF_CSUM_ENABLED(sc) (((sc)->ifp->if_capenable & IFCAP_HWCSUM) ? 1:0)
1149 
1150 #define OCE_LOG2(x) 			(oce_highbit(x))
1151 static inline uint32_t oce_highbit(uint32_t x)
1152 {
1153 	int i;
1154 	int c;
1155 	int b;
1156 
1157 	c = 0;
1158 	b = 0;
1159 
1160 	for (i = 0; i < 32; i++) {
1161 		if ((1 << i) & x) {
1162 			c++;
1163 			b = i;
1164 		}
1165 	}
1166 
1167 	if (c == 1)
1168 		return b;
1169 
1170 	return 0;
1171 }
1172 
1173 static inline int MPU_EP_SEMAPHORE(POCE_SOFTC sc)
1174 {
1175 	if (IS_BE(sc))
1176 		return MPU_EP_SEMAPHORE_BE3;
1177 	else if (IS_SH(sc))
1178 		return MPU_EP_SEMAPHORE_SH;
1179 	else
1180 		return MPU_EP_SEMAPHORE_XE201;
1181 }
1182 
1183 #define TRANSCEIVER_DATA_NUM_ELE 64
1184 #define TRANSCEIVER_DATA_SIZE 256
1185 #define TRANSCEIVER_A0_SIZE 128
1186 #define TRANSCEIVER_A2_SIZE 128
1187 #define PAGE_NUM_A0 0xa0
1188 #define PAGE_NUM_A2 0xa2
1189 #define IS_QNQ_OR_UMC(sc) ((sc->pvid && (sc->function_mode & FNM_UMC_MODE ))\
1190 		     || (sc->qnqid && (sc->function_mode & FNM_FLEX10_MODE)))
1191 extern uint8_t sfp_vpd_dump_buffer[TRANSCEIVER_DATA_SIZE];
1192 
1193 struct oce_rdma_info;
1194 extern struct oce_rdma_if *oce_rdma_if;
1195 
1196 
1197 
1198 /* OS2BMC related */
1199 
1200 #define DHCP_CLIENT_PORT        68
1201 #define DHCP_SERVER_PORT        67
1202 #define NET_BIOS_PORT1          137
1203 #define NET_BIOS_PORT2          138
1204 #define DHCPV6_RAS_PORT         547
1205 
1206 #define BMC_FILT_BROADCAST_ARP                          ((uint32_t)(1))
1207 #define BMC_FILT_BROADCAST_DHCP_CLIENT                  ((uint32_t)(1 << 1))
1208 #define BMC_FILT_BROADCAST_DHCP_SERVER                  ((uint32_t)(1 << 2))
1209 #define BMC_FILT_BROADCAST_NET_BIOS                     ((uint32_t)(1 << 3))
1210 #define BMC_FILT_BROADCAST                              ((uint32_t)(1 << 4))
1211 #define BMC_FILT_MULTICAST_IPV6_NEIGH_ADVER             ((uint32_t)(1 << 5))
1212 #define BMC_FILT_MULTICAST_IPV6_RA                      ((uint32_t)(1 << 6))
1213 #define BMC_FILT_MULTICAST_IPV6_RAS                     ((uint32_t)(1 << 7))
1214 #define BMC_FILT_MULTICAST                              ((uint32_t)(1 << 8))
1215 
1216 #define	ND_ROUTER_ADVERT	134
1217 #define	ND_NEIGHBOR_ADVERT	136
1218 
1219 #define is_mc_allowed_on_bmc(sc, eh)       \
1220 	(!is_multicast_filt_enabled(sc) && \
1221 	ETHER_IS_MULTICAST(eh->ether_dhost) && \
1222 	!ETHER_IS_BROADCAST(eh->ether_dhost))
1223 
1224 #define is_bc_allowed_on_bmc(sc, eh)       \
1225 	(!is_broadcast_filt_enabled(sc) && \
1226 	ETHER_IS_BROADCAST(eh->ether_dhost))
1227 
1228 #define is_arp_allowed_on_bmc(sc, et)     \
1229 	(is_arp(et) && is_arp_filt_enabled(sc))
1230 
1231 #define is_arp(et)     (et == ETHERTYPE_ARP)
1232 
1233 #define is_arp_filt_enabled(sc)    \
1234 	(sc->bmc_filt_mask & (BMC_FILT_BROADCAST_ARP))
1235 
1236 #define is_dhcp_client_filt_enabled(sc)    \
1237 	(sc->bmc_filt_mask & BMC_FILT_BROADCAST_DHCP_CLIENT)
1238 
1239 #define is_dhcp_srvr_filt_enabled(sc)      \
1240 	(sc->bmc_filt_mask & BMC_FILT_BROADCAST_DHCP_SERVER)
1241 
1242 #define is_nbios_filt_enabled(sc)  \
1243 	(sc->bmc_filt_mask & BMC_FILT_BROADCAST_NET_BIOS)
1244 
1245 #define is_ipv6_na_filt_enabled(sc)        \
1246 	(sc->bmc_filt_mask &       \
1247 	BMC_FILT_MULTICAST_IPV6_NEIGH_ADVER)
1248 
1249 #define is_ipv6_ra_filt_enabled(sc)        \
1250 	(sc->bmc_filt_mask & BMC_FILT_MULTICAST_IPV6_RA)
1251 
1252 #define is_ipv6_ras_filt_enabled(sc)       \
1253 	(sc->bmc_filt_mask & BMC_FILT_MULTICAST_IPV6_RAS)
1254 
1255 #define is_broadcast_filt_enabled(sc)      \
1256 	(sc->bmc_filt_mask & BMC_FILT_BROADCAST)
1257 
1258 #define is_multicast_filt_enabled(sc)      \
1259 	(sc->bmc_filt_mask & BMC_FILT_MULTICAST)
1260 
1261 #define is_os2bmc_enabled(sc) (sc->flags & OCE_FLAGS_OS2BMC)
1262 
1263 #define LRO_FLAGS_HASH_MODE 0x00000001
1264 #define LRO_FLAGS_RSS_MODE 0x00000004
1265 #define LRO_FLAGS_CLSC_IPV4 0x00000010
1266 #define LRO_FLAGS_CLSC_IPV6 0x00000020
1267 #define NIC_RQ_FLAGS_RSS 0x0001
1268 #define NIC_RQ_FLAGS_LRO 0x0020
1269 
1270