1/*-
2 * Copyright (C) 2013 Emulex
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice,
9 *    this list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * 3. Neither the name of the Emulex Corporation nor the names of its
16 *    contributors may be used to endorse or promote products derived from
17 *    this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 *
31 * Contact Information:
32 * freebsd-drivers@emulex.com
33 *
34 * Emulex
35 * 3333 Susan Street
36 * Costa Mesa, CA 92626
37 */
38
39/* $FreeBSD$ */
40
41#include <sys/param.h>
42#include <sys/endian.h>
43#include <sys/module.h>
44#include <sys/kernel.h>
45#include <sys/bus.h>
46#include <sys/mbuf.h>
47#include <sys/rman.h>
48#include <sys/socket.h>
49#include <sys/sockio.h>
50#include <sys/sockopt.h>
51#include <sys/queue.h>
52#include <sys/taskqueue.h>
53#include <sys/lock.h>
54#include <sys/mutex.h>
55#include <sys/sysctl.h>
56#include <sys/random.h>
57#include <sys/firmware.h>
58#include <sys/systm.h>
59#include <sys/proc.h>
60
61#include <dev/pci/pcireg.h>
62#include <dev/pci/pcivar.h>
63
64#include <net/bpf.h>
65#include <net/ethernet.h>
66#include <net/if.h>
67#include <net/if_types.h>
68#include <net/if_media.h>
69#include <net/if_vlan_var.h>
70#include <net/if_dl.h>
71
72#include <netinet/in.h>
73#include <netinet/in_systm.h>
74#include <netinet/in_var.h>
75#include <netinet/if_ether.h>
76#include <netinet/ip.h>
77#include <netinet/ip6.h>
78#include <netinet6/in6_var.h>
79#include <netinet6/ip6_mroute.h>
80
81#include <netinet/udp.h>
82#include <netinet/tcp.h>
83#include <netinet/sctp.h>
84#include <netinet/tcp_lro.h>
85
86#include <machine/bus.h>
87
88#include "oce_hw.h"
89
90/* OCE device driver module component revision informaiton */
91#define COMPONENT_REVISION "10.0.664.0"
92
93/* OCE devices supported by this driver */
94#define PCI_VENDOR_EMULEX		0x10df	/* Emulex */
95#define PCI_VENDOR_SERVERENGINES	0x19a2	/* ServerEngines (BE) */
96#define PCI_PRODUCT_BE2			0x0700	/* BE2 network adapter */
97#define PCI_PRODUCT_BE3			0x0710	/* BE3 network adapter */
98#define PCI_PRODUCT_XE201		0xe220	/* XE201 network adapter */
99#define PCI_PRODUCT_XE201_VF		0xe228	/* XE201 with VF in Lancer */
100#define PCI_PRODUCT_SH			0x0720	/* Skyhawk network adapter */
101
102#define IS_BE(sc)	(((sc->flags & OCE_FLAGS_BE3) | \
103			 (sc->flags & OCE_FLAGS_BE2))? 1:0)
104#define IS_BE3(sc)	(sc->flags & OCE_FLAGS_BE3)
105#define IS_BE2(sc)	(sc->flags & OCE_FLAGS_BE2)
106#define IS_XE201(sc)	((sc->flags & OCE_FLAGS_XE201) ? 1:0)
107#define HAS_A0_CHIP(sc)	((sc->flags & OCE_FLAGS_HAS_A0_CHIP) ? 1:0)
108#define IS_SH(sc)	((sc->flags & OCE_FLAGS_SH) ? 1 : 0)
109
110#define is_be_mode_mc(sc)	((sc->function_mode & FNM_FLEX10_MODE) ||	\
111				(sc->function_mode & FNM_UMC_MODE)    ||	\
112				(sc->function_mode & FNM_VNIC_MODE))
113#define OCE_FUNCTION_CAPS_SUPER_NIC	0x40
114#define IS_PROFILE_SUPER_NIC(sc) (sc->function_caps & OCE_FUNCTION_CAPS_SUPER_NIC)
115
116
117/* proportion Service Level Interface queues */
118#define OCE_MAX_UNITS			2
119#define OCE_MAX_PPORT			OCE_MAX_UNITS
120#define OCE_MAX_VPORT			OCE_MAX_UNITS
121
122extern int mp_ncpus;			/* system's total active cpu cores */
123#define OCE_NCPUS			mp_ncpus
124
125/* This should be powers of 2. Like 2,4,8 & 16 */
126#define OCE_MAX_RSS			8
127#define OCE_LEGACY_MODE_RSS		4 /* For BE3 Legacy mode*/
128#define is_rss_enabled(sc)		((sc->function_caps & FNC_RSS) && !is_be_mode_mc(sc))
129
130#define OCE_MIN_RQ			1
131#define OCE_MIN_WQ			1
132
133#define OCE_MAX_RQ			OCE_MAX_RSS + 1 /* one default queue */
134#define OCE_MAX_WQ			8
135
136#define OCE_MAX_EQ			32
137#define OCE_MAX_CQ			OCE_MAX_RQ + OCE_MAX_WQ + 1 /* one MCC queue */
138#define OCE_MAX_CQ_EQ			8 /* Max CQ that can attached to an EQ */
139
140#define OCE_DEFAULT_WQ_EQD		16
141#define OCE_MAX_PACKET_Q		16
142#define OCE_RQ_BUF_SIZE			2048
143#define OCE_LSO_MAX_SIZE		(64 * 1024)
144#define LONG_TIMEOUT			30
145#define OCE_MAX_JUMBO_FRAME_SIZE	9018
146#define OCE_MAX_MTU			(OCE_MAX_JUMBO_FRAME_SIZE - \
147						ETHER_VLAN_ENCAP_LEN - \
148						ETHER_HDR_LEN)
149
150#define OCE_MAX_TX_ELEMENTS		29
151#define OCE_MAX_TX_DESC			1024
152#define OCE_MAX_TX_SIZE			65535
153#define OCE_MAX_TSO_SIZE		(65535 - ETHER_HDR_LEN)
154#define OCE_MAX_RX_SIZE			4096
155#define OCE_MAX_RQ_POSTS		255
156#define OCE_DEFAULT_PROMISCUOUS		0
157
158
159#define RSS_ENABLE_IPV4			0x1
160#define RSS_ENABLE_TCP_IPV4		0x2
161#define RSS_ENABLE_IPV6			0x4
162#define RSS_ENABLE_TCP_IPV6		0x8
163
164#define INDIRECTION_TABLE_ENTRIES	128
165
166/* flow control definitions */
167#define OCE_FC_NONE			0x00000000
168#define OCE_FC_TX			0x00000001
169#define OCE_FC_RX			0x00000002
170#define OCE_DEFAULT_FLOW_CONTROL	(OCE_FC_TX | OCE_FC_RX)
171
172
173/* Interface capabilities to give device when creating interface */
174#define  OCE_CAPAB_FLAGS 		(MBX_RX_IFACE_FLAGS_BROADCAST    | \
175					MBX_RX_IFACE_FLAGS_UNTAGGED      | \
176					MBX_RX_IFACE_FLAGS_PROMISCUOUS      | \
177					MBX_RX_IFACE_FLAGS_VLAN_PROMISCUOUS |	\
178					MBX_RX_IFACE_FLAGS_MCAST_PROMISCUOUS   | \
179					MBX_RX_IFACE_FLAGS_RSS | \
180					MBX_RX_IFACE_FLAGS_PASS_L3L4_ERR)
181
182/* Interface capabilities to enable by default (others set dynamically) */
183#define  OCE_CAPAB_ENABLE		(MBX_RX_IFACE_FLAGS_BROADCAST | \
184					MBX_RX_IFACE_FLAGS_UNTAGGED   | \
185					MBX_RX_IFACE_FLAGS_PASS_L3L4_ERR)
186
187#define OCE_IF_HWASSIST			(CSUM_IP | CSUM_TCP | CSUM_UDP)
188#define OCE_IF_CAPABILITIES		(IFCAP_VLAN_MTU | IFCAP_VLAN_HWTAGGING | \
189					IFCAP_HWCSUM | IFCAP_VLAN_HWCSUM | \
190					IFCAP_JUMBO_MTU | IFCAP_VLAN_MTU)
191#define OCE_IF_HWASSIST_NONE		0
192#define OCE_IF_CAPABILITIES_NONE 	0
193
194
195#define ETH_ADDR_LEN			6
196#define MAX_VLANFILTER_SIZE		64
197#define MAX_VLANS			4096
198
199#define upper_32_bits(n)		((uint32_t)(((n) >> 16) >> 16))
200#define BSWAP_8(x)			((x) & 0xff)
201#define BSWAP_16(x)			((BSWAP_8(x) << 8) | BSWAP_8((x) >> 8))
202#define BSWAP_32(x)			((BSWAP_16(x) << 16) | \
203					 BSWAP_16((x) >> 16))
204#define BSWAP_64(x)			((BSWAP_32(x) << 32) | \
205					BSWAP_32((x) >> 32))
206
207#define for_all_wq_queues(sc, wq, i) 	\
208		for (i = 0, wq = sc->wq[0]; i < sc->nwqs; i++, wq = sc->wq[i])
209#define for_all_rq_queues(sc, rq, i) 	\
210		for (i = 0, rq = sc->rq[0]; i < sc->nrqs; i++, rq = sc->rq[i])
211#define for_all_rss_queues(sc, rq, i) 	\
212		for (i = 0, rq = sc->rq[i + 1]; i < (sc->nrqs - 1); \
213		     i++, rq = sc->rq[i + 1])
214#define for_all_evnt_queues(sc, eq, i) 	\
215		for (i = 0, eq = sc->eq[0]; i < sc->neqs; i++, eq = sc->eq[i])
216#define for_all_cq_queues(sc, cq, i) 	\
217		for (i = 0, cq = sc->cq[0]; i < sc->ncqs; i++, cq = sc->cq[i])
218
219
220/* Flash specific */
221#define IOCTL_COOKIE			"SERVERENGINES CORP"
222#define MAX_FLASH_COMP			32
223
224#define IMG_ISCSI			160
225#define IMG_REDBOOT			224
226#define IMG_BIOS			34
227#define IMG_PXEBIOS			32
228#define IMG_FCOEBIOS			33
229#define IMG_ISCSI_BAK			176
230#define IMG_FCOE			162
231#define IMG_FCOE_BAK			178
232#define IMG_NCSI			16
233#define IMG_PHY				192
234#define FLASHROM_OPER_FLASH		1
235#define FLASHROM_OPER_SAVE		2
236#define FLASHROM_OPER_REPORT		4
237#define FLASHROM_OPER_FLASH_PHY		9
238#define FLASHROM_OPER_SAVE_PHY		10
239#define TN_8022				13
240
241enum {
242	PHY_TYPE_CX4_10GB = 0,
243	PHY_TYPE_XFP_10GB,
244	PHY_TYPE_SFP_1GB,
245	PHY_TYPE_SFP_PLUS_10GB,
246	PHY_TYPE_KR_10GB,
247	PHY_TYPE_KX4_10GB,
248	PHY_TYPE_BASET_10GB,
249	PHY_TYPE_BASET_1GB,
250	PHY_TYPE_BASEX_1GB,
251	PHY_TYPE_SGMII,
252	PHY_TYPE_DISABLED = 255
253};
254
255/**
256 * @brief Define and hold all necessary info for a single interrupt
257 */
258#define OCE_MAX_MSI			32 /* Message Signaled Interrupts */
259#define OCE_MAX_MSIX			2048 /* PCI Express MSI Interrrupts */
260
261typedef struct oce_intr_info {
262	void *tag;		/* cookie returned by bus_setup_intr */
263	struct resource *intr_res;	/* PCI resource container */
264	int irq_rr;		/* resource id for the interrupt */
265	struct oce_softc *sc;	/* pointer to the parent soft c */
266	struct oce_eq *eq;	/* pointer to the connected EQ */
267	struct taskqueue *tq;	/* Associated task queue */
268	struct task task;	/* task queue task */
269	char task_name[32];	/* task name */
270	int vector;		/* interrupt vector number */
271} OCE_INTR_INFO, *POCE_INTR_INFO;
272
273
274/* Ring related */
275#define	GET_Q_NEXT(_START, _STEP, _END)	\
276	(((_START) + (_STEP)) < (_END) ? ((_START) + (_STEP)) \
277	: (((_START) + (_STEP)) - (_END)))
278
279#define	DBUF_PA(obj)			((obj)->addr)
280#define	DBUF_VA(obj) 			((obj)->ptr)
281#define	DBUF_TAG(obj) 			((obj)->tag)
282#define	DBUF_MAP(obj) 			((obj)->map)
283#define	DBUF_SYNC(obj, flags) 		\
284		(void) bus_dmamap_sync(DBUF_TAG(obj), DBUF_MAP(obj), (flags))
285
286#define	RING_NUM_PENDING(ring)		ring->num_used
287#define	RING_FULL(ring) 		(ring->num_used == ring->num_items)
288#define	RING_EMPTY(ring) 		(ring->num_used == 0)
289#define	RING_NUM_FREE(ring)		\
290		(uint32_t)(ring->num_items - ring->num_used)
291#define	RING_GET(ring, n)		\
292		ring->cidx = GET_Q_NEXT(ring->cidx, n, ring->num_items)
293#define	RING_PUT(ring, n)		\
294		ring->pidx = GET_Q_NEXT(ring->pidx, n, ring->num_items)
295
296#define	RING_GET_CONSUMER_ITEM_VA(ring, type) 	\
297	(void*)((type *)DBUF_VA(&ring->dma) + ring->cidx)
298#define	RING_GET_CONSUMER_ITEM_PA(ring, type)		\
299	(uint64_t)(((type *)DBUF_PA(ring->dbuf)) + ring->cidx)
300#define	RING_GET_PRODUCER_ITEM_VA(ring, type)		\
301	(void *)(((type *)DBUF_VA(&ring->dma)) + ring->pidx)
302#define	RING_GET_PRODUCER_ITEM_PA(ring, type)		\
303	(uint64_t)(((type *)DBUF_PA(ring->dbuf)) + ring->pidx)
304
305#define OCE_DMAPTR(o, c) 		((c *)(o)->ptr)
306
307struct oce_packet_desc {
308	struct mbuf *mbuf;
309	bus_dmamap_t map;
310	int nsegs;
311	uint32_t wqe_idx;
312};
313
314typedef struct oce_dma_mem {
315	bus_dma_tag_t tag;
316	bus_dmamap_t map;
317	void *ptr;
318	bus_addr_t paddr;
319} OCE_DMA_MEM, *POCE_DMA_MEM;
320
321typedef struct oce_ring_buffer_s {
322	uint16_t cidx;	/* Get ptr */
323	uint16_t pidx;	/* Put Ptr */
324	size_t item_size;
325	size_t num_items;
326	uint32_t num_used;
327	OCE_DMA_MEM dma;
328} oce_ring_buffer_t;
329
330/* Stats */
331#define OCE_UNICAST_PACKET	0
332#define OCE_MULTICAST_PACKET	1
333#define OCE_BROADCAST_PACKET	2
334#define OCE_RSVD_PACKET		3
335
336struct oce_rx_stats {
337	/* Total Receive Stats*/
338	uint64_t t_rx_pkts;
339	uint64_t t_rx_bytes;
340	uint32_t t_rx_frags;
341	uint32_t t_rx_mcast_pkts;
342	uint32_t t_rx_ucast_pkts;
343	uint32_t t_rxcp_errs;
344};
345struct oce_tx_stats {
346	/*Total Transmit Stats */
347	uint64_t t_tx_pkts;
348	uint64_t t_tx_bytes;
349	uint32_t t_tx_reqs;
350	uint32_t t_tx_stops;
351	uint32_t t_tx_wrbs;
352	uint32_t t_tx_compl;
353	uint32_t t_ipv6_ext_hdr_tx_drop;
354};
355
356struct oce_be_stats {
357	uint8_t  be_on_die_temperature;
358	uint32_t be_tx_events;
359	uint32_t eth_red_drops;
360	uint32_t rx_drops_no_pbuf;
361	uint32_t rx_drops_no_txpb;
362	uint32_t rx_drops_no_erx_descr;
363	uint32_t rx_drops_no_tpre_descr;
364	uint32_t rx_drops_too_many_frags;
365	uint32_t rx_drops_invalid_ring;
366	uint32_t forwarded_packets;
367	uint32_t rx_drops_mtu;
368	uint32_t rx_crc_errors;
369	uint32_t rx_alignment_symbol_errors;
370	uint32_t rx_pause_frames;
371	uint32_t rx_priority_pause_frames;
372	uint32_t rx_control_frames;
373	uint32_t rx_in_range_errors;
374	uint32_t rx_out_range_errors;
375	uint32_t rx_frame_too_long;
376	uint32_t rx_address_match_errors;
377	uint32_t rx_dropped_too_small;
378	uint32_t rx_dropped_too_short;
379	uint32_t rx_dropped_header_too_small;
380	uint32_t rx_dropped_tcp_length;
381	uint32_t rx_dropped_runt;
382	uint32_t rx_ip_checksum_errs;
383	uint32_t rx_tcp_checksum_errs;
384	uint32_t rx_udp_checksum_errs;
385	uint32_t rx_switched_unicast_packets;
386	uint32_t rx_switched_multicast_packets;
387	uint32_t rx_switched_broadcast_packets;
388	uint32_t tx_pauseframes;
389	uint32_t tx_priority_pauseframes;
390	uint32_t tx_controlframes;
391	uint32_t rxpp_fifo_overflow_drop;
392	uint32_t rx_input_fifo_overflow_drop;
393	uint32_t pmem_fifo_overflow_drop;
394	uint32_t jabber_events;
395};
396
397struct oce_xe201_stats {
398	uint64_t tx_pkts;
399	uint64_t tx_unicast_pkts;
400	uint64_t tx_multicast_pkts;
401	uint64_t tx_broadcast_pkts;
402	uint64_t tx_bytes;
403	uint64_t tx_unicast_bytes;
404	uint64_t tx_multicast_bytes;
405	uint64_t tx_broadcast_bytes;
406	uint64_t tx_discards;
407	uint64_t tx_errors;
408	uint64_t tx_pause_frames;
409	uint64_t tx_pause_on_frames;
410	uint64_t tx_pause_off_frames;
411	uint64_t tx_internal_mac_errors;
412	uint64_t tx_control_frames;
413	uint64_t tx_pkts_64_bytes;
414	uint64_t tx_pkts_65_to_127_bytes;
415	uint64_t tx_pkts_128_to_255_bytes;
416	uint64_t tx_pkts_256_to_511_bytes;
417	uint64_t tx_pkts_512_to_1023_bytes;
418	uint64_t tx_pkts_1024_to_1518_bytes;
419	uint64_t tx_pkts_1519_to_2047_bytes;
420	uint64_t tx_pkts_2048_to_4095_bytes;
421	uint64_t tx_pkts_4096_to_8191_bytes;
422	uint64_t tx_pkts_8192_to_9216_bytes;
423	uint64_t tx_lso_pkts;
424	uint64_t rx_pkts;
425	uint64_t rx_unicast_pkts;
426	uint64_t rx_multicast_pkts;
427	uint64_t rx_broadcast_pkts;
428	uint64_t rx_bytes;
429	uint64_t rx_unicast_bytes;
430	uint64_t rx_multicast_bytes;
431	uint64_t rx_broadcast_bytes;
432	uint32_t rx_unknown_protos;
433	uint64_t rx_discards;
434	uint64_t rx_errors;
435	uint64_t rx_crc_errors;
436	uint64_t rx_alignment_errors;
437	uint64_t rx_symbol_errors;
438	uint64_t rx_pause_frames;
439	uint64_t rx_pause_on_frames;
440	uint64_t rx_pause_off_frames;
441	uint64_t rx_frames_too_long;
442	uint64_t rx_internal_mac_errors;
443	uint32_t rx_undersize_pkts;
444	uint32_t rx_oversize_pkts;
445	uint32_t rx_fragment_pkts;
446	uint32_t rx_jabbers;
447	uint64_t rx_control_frames;
448	uint64_t rx_control_frames_unknown_opcode;
449	uint32_t rx_in_range_errors;
450	uint32_t rx_out_of_range_errors;
451	uint32_t rx_address_match_errors;
452	uint32_t rx_vlan_mismatch_errors;
453	uint32_t rx_dropped_too_small;
454	uint32_t rx_dropped_too_short;
455	uint32_t rx_dropped_header_too_small;
456	uint32_t rx_dropped_invalid_tcp_length;
457	uint32_t rx_dropped_runt;
458	uint32_t rx_ip_checksum_errors;
459	uint32_t rx_tcp_checksum_errors;
460	uint32_t rx_udp_checksum_errors;
461	uint32_t rx_non_rss_pkts;
462	uint64_t rx_ipv4_pkts;
463	uint64_t rx_ipv6_pkts;
464	uint64_t rx_ipv4_bytes;
465	uint64_t rx_ipv6_bytes;
466	uint64_t rx_nic_pkts;
467	uint64_t rx_tcp_pkts;
468	uint64_t rx_iscsi_pkts;
469	uint64_t rx_management_pkts;
470	uint64_t rx_switched_unicast_pkts;
471	uint64_t rx_switched_multicast_pkts;
472	uint64_t rx_switched_broadcast_pkts;
473	uint64_t num_forwards;
474	uint32_t rx_fifo_overflow;
475	uint32_t rx_input_fifo_overflow;
476	uint64_t rx_drops_too_many_frags;
477	uint32_t rx_drops_invalid_queue;
478	uint64_t rx_drops_mtu;
479	uint64_t rx_pkts_64_bytes;
480	uint64_t rx_pkts_65_to_127_bytes;
481	uint64_t rx_pkts_128_to_255_bytes;
482	uint64_t rx_pkts_256_to_511_bytes;
483	uint64_t rx_pkts_512_to_1023_bytes;
484	uint64_t rx_pkts_1024_to_1518_bytes;
485	uint64_t rx_pkts_1519_to_2047_bytes;
486	uint64_t rx_pkts_2048_to_4095_bytes;
487	uint64_t rx_pkts_4096_to_8191_bytes;
488	uint64_t rx_pkts_8192_to_9216_bytes;
489};
490
491struct oce_drv_stats {
492	struct oce_rx_stats rx;
493	struct oce_tx_stats tx;
494	union {
495		struct oce_be_stats be;
496		struct oce_xe201_stats xe201;
497	} u0;
498};
499
500#define INTR_RATE_HWM                   15000
501#define INTR_RATE_LWM                   10000
502
503#define OCE_MAX_EQD 128u
504#define OCE_MIN_EQD 50u
505
506struct oce_set_eqd {
507	uint32_t eq_id;
508	uint32_t phase;
509	uint32_t delay_multiplier;
510};
511
512struct oce_aic_obj {             /* Adaptive interrupt coalescing (AIC) info */
513	boolean_t enable;
514	uint32_t  min_eqd;            /* in usecs */
515	uint32_t  max_eqd;            /* in usecs */
516	uint32_t  cur_eqd;            /* in usecs */
517	uint32_t  et_eqd;             /* configured value when aic is off */
518	uint64_t  ticks;
519	uint64_t  intr_prev;
520};
521
522#define MAX_LOCK_DESC_LEN			32
523struct oce_lock {
524	struct mtx mutex;
525	char name[MAX_LOCK_DESC_LEN+1];
526};
527#define OCE_LOCK				struct oce_lock
528
529#define LOCK_CREATE(lock, desc) 		{ \
530	strncpy((lock)->name, (desc), MAX_LOCK_DESC_LEN); \
531	(lock)->name[MAX_LOCK_DESC_LEN] = '\0'; \
532	mtx_init(&(lock)->mutex, (lock)->name, NULL, MTX_DEF); \
533}
534#define LOCK_DESTROY(lock) 			\
535		if (mtx_initialized(&(lock)->mutex))\
536			mtx_destroy(&(lock)->mutex)
537#define TRY_LOCK(lock)				mtx_trylock(&(lock)->mutex)
538#define LOCK(lock)				mtx_lock(&(lock)->mutex)
539#define LOCKED(lock)				mtx_owned(&(lock)->mutex)
540#define UNLOCK(lock)				mtx_unlock(&(lock)->mutex)
541
542#define	DEFAULT_MQ_MBOX_TIMEOUT			(5 * 1000 * 1000)
543#define	MBX_READY_TIMEOUT			(1 * 1000 * 1000)
544#define	DEFAULT_DRAIN_TIME			200
545#define	MBX_TIMEOUT_SEC				5
546#define	STAT_TIMEOUT				2000000
547
548/* size of the packet descriptor array in a transmit queue */
549#define OCE_TX_RING_SIZE			2048
550#define OCE_RX_RING_SIZE			1024
551#define OCE_WQ_PACKET_ARRAY_SIZE		(OCE_TX_RING_SIZE/2)
552#define OCE_RQ_PACKET_ARRAY_SIZE		(OCE_RX_RING_SIZE)
553
554struct oce_dev;
555
556enum eq_len {
557	EQ_LEN_256  = 256,
558	EQ_LEN_512  = 512,
559	EQ_LEN_1024 = 1024,
560	EQ_LEN_2048 = 2048,
561	EQ_LEN_4096 = 4096
562};
563
564enum eqe_size {
565	EQE_SIZE_4  = 4,
566	EQE_SIZE_16 = 16
567};
568
569enum qtype {
570	QTYPE_EQ,
571	QTYPE_MQ,
572	QTYPE_WQ,
573	QTYPE_RQ,
574	QTYPE_CQ,
575	QTYPE_RSS
576};
577
578typedef enum qstate_e {
579	QDELETED = 0x0,
580	QCREATED = 0x1
581} qstate_t;
582
583struct eq_config {
584	enum eq_len q_len;
585	enum eqe_size item_size;
586	uint32_t q_vector_num;
587	uint8_t min_eqd;
588	uint8_t max_eqd;
589	uint8_t cur_eqd;
590	uint8_t pad;
591};
592
593struct oce_eq {
594	uint32_t eq_id;
595	void *parent;
596	void *cb_context;
597	oce_ring_buffer_t *ring;
598	uint32_t ref_count;
599	qstate_t qstate;
600	struct oce_cq *cq[OCE_MAX_CQ_EQ];
601	int cq_valid;
602	struct eq_config eq_cfg;
603	int vector;
604	uint64_t intr;
605};
606
607enum cq_len {
608	CQ_LEN_256  = 256,
609	CQ_LEN_512  = 512,
610	CQ_LEN_1024 = 1024
611};
612
613struct cq_config {
614	enum cq_len q_len;
615	uint32_t item_size;
616	boolean_t is_eventable;
617	boolean_t sol_eventable;
618	boolean_t nodelay;
619	uint16_t dma_coalescing;
620};
621
622typedef uint16_t(*cq_handler_t) (void *arg1);
623
624struct oce_cq {
625	uint32_t cq_id;
626	void *parent;
627	struct oce_eq *eq;
628	cq_handler_t cq_handler;
629	void *cb_arg;
630	oce_ring_buffer_t *ring;
631	qstate_t qstate;
632	struct cq_config cq_cfg;
633	uint32_t ref_count;
634};
635
636
637struct mq_config {
638	uint32_t eqd;
639	uint8_t q_len;
640	uint8_t pad[3];
641};
642
643
644struct oce_mq {
645	void *parent;
646	oce_ring_buffer_t *ring;
647	uint32_t mq_id;
648	struct oce_cq *cq;
649	struct oce_cq *async_cq;
650	uint32_t mq_free;
651	qstate_t qstate;
652	struct mq_config cfg;
653};
654
655struct oce_mbx_ctx {
656	struct oce_mbx *mbx;
657	void (*cb) (void *ctx);
658	void *cb_ctx;
659};
660
661struct wq_config {
662	uint8_t wq_type;
663	uint16_t buf_size;
664	uint8_t pad[1];
665	uint32_t q_len;
666	uint16_t pd_id;
667	uint16_t pci_fn_num;
668	uint32_t eqd;	/* interrupt delay */
669	uint32_t nbufs;
670	uint32_t nhdl;
671};
672
673struct oce_tx_queue_stats {
674	uint64_t tx_pkts;
675	uint64_t tx_bytes;
676	uint32_t tx_reqs;
677	uint32_t tx_stops; /* number of times TX Q was stopped */
678	uint32_t tx_wrbs;
679	uint32_t tx_compl;
680	uint32_t tx_rate;
681	uint32_t ipv6_ext_hdr_tx_drop;
682};
683
684struct oce_wq {
685	OCE_LOCK tx_lock;
686	void *parent;
687	oce_ring_buffer_t *ring;
688	struct oce_cq *cq;
689	bus_dma_tag_t tag;
690	struct oce_packet_desc pckts[OCE_WQ_PACKET_ARRAY_SIZE];
691	uint32_t pkt_desc_tail;
692	uint32_t pkt_desc_head;
693	uint32_t wqm_used;
694	boolean_t resched;
695	uint32_t wq_free;
696	uint32_t tx_deferd;
697	uint32_t pkt_drops;
698	qstate_t qstate;
699	uint16_t wq_id;
700	struct wq_config cfg;
701	int queue_index;
702	struct oce_tx_queue_stats tx_stats;
703	struct buf_ring *br;
704	struct task txtask;
705	uint32_t db_offset;
706};
707
708struct rq_config {
709	uint32_t q_len;
710	uint32_t frag_size;
711	uint32_t mtu;
712	uint32_t if_id;
713	uint32_t is_rss_queue;
714	uint32_t eqd;
715	uint32_t nbufs;
716};
717
718struct oce_rx_queue_stats {
719	uint32_t rx_post_fail;
720	uint32_t rx_ucast_pkts;
721	uint32_t rx_compl;
722	uint64_t rx_bytes;
723	uint64_t rx_bytes_prev;
724	uint64_t rx_pkts;
725	uint32_t rx_rate;
726	uint32_t rx_mcast_pkts;
727	uint32_t rxcp_err;
728	uint32_t rx_frags;
729	uint32_t prev_rx_frags;
730	uint32_t rx_fps;
731};
732
733
734struct oce_rq {
735	struct rq_config cfg;
736	uint32_t rq_id;
737	int queue_index;
738	uint32_t rss_cpuid;
739	void *parent;
740	oce_ring_buffer_t *ring;
741	struct oce_cq *cq;
742	void *pad1;
743	bus_dma_tag_t tag;
744	struct oce_packet_desc pckts[OCE_RQ_PACKET_ARRAY_SIZE];
745	uint32_t packets_in;
746	uint32_t packets_out;
747	uint32_t pending;
748#ifdef notdef
749	struct mbuf *head;
750	struct mbuf *tail;
751	int fragsleft;
752#endif
753	qstate_t qstate;
754	OCE_LOCK rx_lock;
755	struct oce_rx_queue_stats rx_stats;
756	struct lro_ctrl lro;
757	int lro_pkts_queued;
758
759};
760
761struct link_status {
762	uint8_t phys_port_speed;
763	uint8_t logical_link_status;
764	uint16_t qos_link_speed;
765};
766
767
768
769#define OCE_FLAGS_PCIX			0x00000001
770#define OCE_FLAGS_PCIE			0x00000002
771#define OCE_FLAGS_MSI_CAPABLE		0x00000004
772#define OCE_FLAGS_MSIX_CAPABLE		0x00000008
773#define OCE_FLAGS_USING_MSI		0x00000010
774#define OCE_FLAGS_USING_MSIX		0x00000020
775#define OCE_FLAGS_FUNCRESET_RQD		0x00000040
776#define OCE_FLAGS_VIRTUAL_PORT		0x00000080
777#define OCE_FLAGS_MBOX_ENDIAN_RQD	0x00000100
778#define OCE_FLAGS_BE3			0x00000200
779#define OCE_FLAGS_XE201			0x00000400
780#define OCE_FLAGS_BE2			0x00000800
781#define OCE_FLAGS_SH			0x00001000
782
783#define OCE_DEV_BE2_CFG_BAR		1
784#define OCE_DEV_CFG_BAR			0
785#define OCE_PCI_CSR_BAR			2
786#define OCE_PCI_DB_BAR			4
787
788typedef struct oce_softc {
789	device_t dev;
790	OCE_LOCK dev_lock;
791
792	uint32_t flags;
793
794	uint32_t pcie_link_speed;
795	uint32_t pcie_link_width;
796
797	uint8_t fn; /* PCI function number */
798
799	struct resource *devcfg_res;
800	bus_space_tag_t devcfg_btag;
801	bus_space_handle_t devcfg_bhandle;
802	void *devcfg_vhandle;
803
804	struct resource *csr_res;
805	bus_space_tag_t csr_btag;
806	bus_space_handle_t csr_bhandle;
807	void *csr_vhandle;
808
809	struct resource *db_res;
810	bus_space_tag_t db_btag;
811	bus_space_handle_t db_bhandle;
812	void *db_vhandle;
813
814	OCE_INTR_INFO intrs[OCE_MAX_EQ];
815	int intr_count;
816
817	struct ifnet *ifp;
818
819	struct ifmedia media;
820	uint8_t link_status;
821	uint8_t link_speed;
822	uint8_t duplex;
823	uint32_t qos_link_speed;
824	uint32_t speed;
825
826	char fw_version[32];
827	struct mac_address_format macaddr;
828
829	OCE_DMA_MEM bsmbx;
830	OCE_LOCK bmbx_lock;
831
832	uint32_t config_number;
833	uint32_t asic_revision;
834	uint32_t port_id;
835	uint32_t function_mode;
836	uint32_t function_caps;
837	uint32_t max_tx_rings;
838	uint32_t max_rx_rings;
839
840	struct oce_wq *wq[OCE_MAX_WQ];	/* TX work queues */
841	struct oce_rq *rq[OCE_MAX_RQ];	/* RX work queues */
842	struct oce_cq *cq[OCE_MAX_CQ];	/* Completion queues */
843	struct oce_eq *eq[OCE_MAX_EQ];	/* Event queues */
844	struct oce_mq *mq;		/* Mailbox queue */
845
846	uint32_t neqs;
847	uint32_t ncqs;
848	uint32_t nrqs;
849	uint32_t nwqs;
850	uint32_t nrssqs;
851
852	uint32_t tx_ring_size;
853	uint32_t rx_ring_size;
854	uint32_t rq_frag_size;
855
856	uint32_t if_id;		/* interface ID */
857	uint32_t nifs;		/* number of adapter interfaces, 0 or 1 */
858	uint32_t pmac_id;	/* PMAC id */
859
860	uint32_t if_cap_flags;
861
862	uint32_t flow_control;
863	uint8_t  promisc;
864
865	struct oce_aic_obj aic_obj[OCE_MAX_EQ];
866
867	/*Vlan Filtering related */
868	eventhandler_tag vlan_attach;
869	eventhandler_tag vlan_detach;
870	uint16_t vlans_added;
871	uint8_t vlan_tag[MAX_VLANS];
872	/*stats */
873	OCE_DMA_MEM stats_mem;
874	struct oce_drv_stats oce_stats_info;
875	struct callout  timer;
876	int8_t be3_native;
877	uint8_t hw_error;
878	uint16_t qnq_debug_event;
879	uint16_t qnqid;
880	uint32_t pvid;
881	uint32_t max_vlans;
882
883} OCE_SOFTC, *POCE_SOFTC;
884
885
886
887/**************************************************
888 * BUS memory read/write macros
889 * BE3: accesses three BAR spaces (CFG, CSR, DB)
890 * Lancer: accesses one BAR space (CFG)
891 **************************************************/
892#define OCE_READ_CSR_MPU(sc, space, o) \
893	((IS_BE(sc)) ? (bus_space_read_4((sc)->space##_btag, \
894					(sc)->space##_bhandle,o)) \
895				: (bus_space_read_4((sc)->devcfg_btag, \
896					(sc)->devcfg_bhandle,o)))
897#define OCE_READ_REG32(sc, space, o) \
898	((IS_BE(sc) || IS_SH(sc)) ? (bus_space_read_4((sc)->space##_btag, \
899					(sc)->space##_bhandle,o)) \
900				: (bus_space_read_4((sc)->devcfg_btag, \
901					(sc)->devcfg_bhandle,o)))
902#define OCE_READ_REG16(sc, space, o) \
903	((IS_BE(sc) || IS_SH(sc)) ? (bus_space_read_2((sc)->space##_btag, \
904					(sc)->space##_bhandle,o)) \
905				: (bus_space_read_2((sc)->devcfg_btag, \
906					(sc)->devcfg_bhandle,o)))
907#define OCE_READ_REG8(sc, space, o) \
908	((IS_BE(sc) || IS_SH(sc)) ? (bus_space_read_1((sc)->space##_btag, \
909					(sc)->space##_bhandle,o)) \
910				: (bus_space_read_1((sc)->devcfg_btag, \
911					(sc)->devcfg_bhandle,o)))
912
913#define OCE_WRITE_CSR_MPU(sc, space, o, v) \
914	((IS_BE(sc)) ? (bus_space_write_4((sc)->space##_btag, \
915				       (sc)->space##_bhandle,o,v)) \
916				: (bus_space_write_4((sc)->devcfg_btag, \
917					(sc)->devcfg_bhandle,o,v)))
918#define OCE_WRITE_REG32(sc, space, o, v) \
919	((IS_BE(sc) || IS_SH(sc)) ? (bus_space_write_4((sc)->space##_btag, \
920				       (sc)->space##_bhandle,o,v)) \
921				: (bus_space_write_4((sc)->devcfg_btag, \
922					(sc)->devcfg_bhandle,o,v)))
923#define OCE_WRITE_REG16(sc, space, o, v) \
924	((IS_BE(sc) || IS_SH(sc)) ? (bus_space_write_2((sc)->space##_btag, \
925				       (sc)->space##_bhandle,o,v)) \
926				: (bus_space_write_2((sc)->devcfg_btag, \
927					(sc)->devcfg_bhandle,o,v)))
928#define OCE_WRITE_REG8(sc, space, o, v) \
929	((IS_BE(sc) || IS_SH(sc)) ? (bus_space_write_1((sc)->space##_btag, \
930				       (sc)->space##_bhandle,o,v)) \
931				: (bus_space_write_1((sc)->devcfg_btag, \
932					(sc)->devcfg_bhandle,o,v)))
933
934
935/***********************************************************
936 * DMA memory functions
937 ***********************************************************/
938#define oce_dma_sync(d, f)		bus_dmamap_sync((d)->tag, (d)->map, f)
939int oce_dma_alloc(POCE_SOFTC sc, bus_size_t size, POCE_DMA_MEM dma, int flags);
940void oce_dma_free(POCE_SOFTC sc, POCE_DMA_MEM dma);
941void oce_dma_map_addr(void *arg, bus_dma_segment_t * segs, int nseg, int error);
942void oce_destroy_ring_buffer(POCE_SOFTC sc, oce_ring_buffer_t *ring);
943oce_ring_buffer_t *oce_create_ring_buffer(POCE_SOFTC sc,
944					  uint32_t q_len, uint32_t num_entries);
945/************************************************************
946 * oce_hw_xxx functions
947 ************************************************************/
948int oce_clear_rx_buf(struct oce_rq *rq);
949int oce_hw_pci_alloc(POCE_SOFTC sc);
950int oce_hw_init(POCE_SOFTC sc);
951int oce_hw_start(POCE_SOFTC sc);
952int oce_create_nw_interface(POCE_SOFTC sc);
953int oce_pci_soft_reset(POCE_SOFTC sc);
954int oce_hw_update_multicast(POCE_SOFTC sc);
955void oce_delete_nw_interface(POCE_SOFTC sc);
956void oce_hw_shutdown(POCE_SOFTC sc);
957void oce_hw_intr_enable(POCE_SOFTC sc);
958void oce_hw_intr_disable(POCE_SOFTC sc);
959void oce_hw_pci_free(POCE_SOFTC sc);
960
961/***********************************************************
962 * oce_queue_xxx functions
963 ***********************************************************/
964int oce_queue_init_all(POCE_SOFTC sc);
965int oce_start_rq(struct oce_rq *rq);
966int oce_start_wq(struct oce_wq *wq);
967int oce_start_mq(struct oce_mq *mq);
968int oce_start_rx(POCE_SOFTC sc);
969void oce_arm_eq(POCE_SOFTC sc,
970		int16_t qid, int npopped, uint32_t rearm, uint32_t clearint);
971void oce_queue_release_all(POCE_SOFTC sc);
972void oce_arm_cq(POCE_SOFTC sc, int16_t qid, int npopped, uint32_t rearm);
973void oce_drain_eq(struct oce_eq *eq);
974void oce_drain_mq_cq(void *arg);
975void oce_drain_rq_cq(struct oce_rq *rq);
976void oce_drain_wq_cq(struct oce_wq *wq);
977
978uint32_t oce_page_list(oce_ring_buffer_t *ring, struct phys_addr *pa_list);
979
980/***********************************************************
981 * cleanup  functions
982 ***********************************************************/
983void oce_stop_rx(POCE_SOFTC sc);
984void oce_intr_free(POCE_SOFTC sc);
985void oce_free_posted_rxbuf(struct oce_rq *rq);
986#if defined(INET6) || defined(INET)
987void oce_free_lro(POCE_SOFTC sc);
988#endif
989
990
991/************************************************************
992 * Mailbox functions
993 ************************************************************/
994int oce_fw_clean(POCE_SOFTC sc);
995int oce_reset_fun(POCE_SOFTC sc);
996int oce_mbox_init(POCE_SOFTC sc);
997int oce_mbox_dispatch(POCE_SOFTC sc, uint32_t tmo_sec);
998int oce_get_fw_version(POCE_SOFTC sc);
999int oce_first_mcc_cmd(POCE_SOFTC sc);
1000
1001int oce_read_mac_addr(POCE_SOFTC sc, uint32_t if_id, uint8_t perm,
1002			uint8_t type, struct mac_address_format *mac);
1003int oce_get_fw_config(POCE_SOFTC sc);
1004int oce_if_create(POCE_SOFTC sc, uint32_t cap_flags, uint32_t en_flags,
1005		uint16_t vlan_tag, uint8_t *mac_addr, uint32_t *if_id);
1006int oce_if_del(POCE_SOFTC sc, uint32_t if_id);
1007int oce_config_vlan(POCE_SOFTC sc, uint32_t if_id,
1008		struct normal_vlan *vtag_arr, uint8_t vtag_cnt,
1009		uint32_t untagged, uint32_t enable_promisc);
1010int oce_set_flow_control(POCE_SOFTC sc, uint32_t flow_control);
1011int oce_config_nic_rss(POCE_SOFTC sc, uint32_t if_id, uint16_t enable_rss);
1012int oce_rxf_set_promiscuous(POCE_SOFTC sc, uint8_t enable);
1013int oce_set_common_iface_rx_filter(POCE_SOFTC sc, POCE_DMA_MEM sgl);
1014int oce_get_link_status(POCE_SOFTC sc, struct link_status *link);
1015int oce_mbox_get_nic_stats_v0(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem);
1016int oce_mbox_get_nic_stats(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem);
1017int oce_mbox_get_pport_stats(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem,
1018				uint32_t reset_stats);
1019int oce_mbox_get_vport_stats(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem,
1020				uint32_t req_size, uint32_t reset_stats);
1021int oce_update_multicast(POCE_SOFTC sc, POCE_DMA_MEM pdma_mem);
1022int oce_pass_through_mbox(POCE_SOFTC sc, POCE_DMA_MEM dma_mem, uint32_t req_size);
1023int oce_mbox_macaddr_del(POCE_SOFTC sc, uint32_t if_id, uint32_t pmac_id);
1024int oce_mbox_macaddr_add(POCE_SOFTC sc, uint8_t *mac_addr,
1025		uint32_t if_id, uint32_t *pmac_id);
1026int oce_mbox_cmd_test_loopback(POCE_SOFTC sc, uint32_t port_num,
1027	uint32_t loopback_type, uint32_t pkt_size, uint32_t num_pkts,
1028	uint64_t pattern);
1029
1030int oce_mbox_cmd_set_loopback(POCE_SOFTC sc, uint8_t port_num,
1031	uint8_t loopback_type, uint8_t enable);
1032
1033int oce_mbox_check_native_mode(POCE_SOFTC sc);
1034int oce_mbox_post(POCE_SOFTC sc,
1035		  struct oce_mbx *mbx, struct oce_mbx_ctx *mbxctx);
1036int oce_mbox_write_flashrom(POCE_SOFTC sc, uint32_t optype,uint32_t opcode,
1037				POCE_DMA_MEM pdma_mem, uint32_t num_bytes);
1038int oce_mbox_lancer_write_flashrom(POCE_SOFTC sc, uint32_t data_size,
1039			uint32_t data_offset,POCE_DMA_MEM pdma_mem,
1040			uint32_t *written_data, uint32_t *additional_status);
1041
1042int oce_mbox_get_flashrom_crc(POCE_SOFTC sc, uint8_t *flash_crc,
1043				uint32_t offset, uint32_t optype);
1044int oce_mbox_get_phy_info(POCE_SOFTC sc, struct oce_phy_info *phy_info);
1045int oce_mbox_create_rq(struct oce_rq *rq);
1046int oce_mbox_create_wq(struct oce_wq *wq);
1047int oce_mbox_create_eq(struct oce_eq *eq);
1048int oce_mbox_cq_create(struct oce_cq *cq, uint32_t ncoalesce,
1049			 uint32_t is_eventable);
1050int oce_mbox_read_transrecv_data(POCE_SOFTC sc, uint32_t page_num);
1051void oce_mbox_eqd_modify_periodic(POCE_SOFTC sc, struct oce_set_eqd *set_eqd,
1052					int num);
1053int oce_get_profile_config(POCE_SOFTC sc, uint32_t max_rss);
1054int oce_get_func_config(POCE_SOFTC sc);
1055void mbx_common_req_hdr_init(struct mbx_hdr *hdr,
1056			     uint8_t dom,
1057			     uint8_t port,
1058			     uint8_t subsys,
1059			     uint8_t opcode,
1060			     uint32_t timeout, uint32_t pyld_len,
1061			     uint8_t version);
1062
1063
1064uint16_t oce_mq_handler(void *arg);
1065
1066/************************************************************
1067 * Transmit functions
1068 ************************************************************/
1069uint16_t oce_wq_handler(void *arg);
1070void	 oce_start(struct ifnet *ifp);
1071void	 oce_tx_task(void *arg, int npending);
1072
1073/************************************************************
1074 * Receive functions
1075 ************************************************************/
1076int	 oce_alloc_rx_bufs(struct oce_rq *rq, int count);
1077uint16_t oce_rq_handler(void *arg);
1078
1079
1080/* Sysctl functions */
1081void oce_add_sysctls(POCE_SOFTC sc);
1082void oce_refresh_queue_stats(POCE_SOFTC sc);
1083int  oce_refresh_nic_stats(POCE_SOFTC sc);
1084int  oce_stats_init(POCE_SOFTC sc);
1085void oce_stats_free(POCE_SOFTC sc);
1086
1087/* Capabilities */
1088#define OCE_MODCAP_RSS			1
1089#define OCE_MAX_RSP_HANDLED		64
1090extern uint32_t oce_max_rsp_handled;	/* max responses */
1091
1092#define OCE_MAC_LOOPBACK		0x0
1093#define OCE_PHY_LOOPBACK		0x1
1094#define OCE_ONE_PORT_EXT_LOOPBACK	0x2
1095#define OCE_NO_LOOPBACK			0xff
1096
1097#undef IFM_40G_SR4
1098#define IFM_40G_SR4			28
1099
1100#define atomic_inc_32(x)		atomic_add_32(x, 1)
1101#define atomic_dec_32(x)		atomic_subtract_32(x, 1)
1102
1103#define LE_64(x)			htole64(x)
1104#define LE_32(x)			htole32(x)
1105#define LE_16(x)			htole16(x)
1106#define HOST_64(x)			le64toh(x)
1107#define HOST_32(x)			le32toh(x)
1108#define HOST_16(x)			le16toh(x)
1109#define DW_SWAP(x, l)
1110#define IS_ALIGNED(x,a)			((x % a) == 0)
1111#define ADDR_HI(x)			((uint32_t)((uint64_t)(x) >> 32))
1112#define ADDR_LO(x)			((uint32_t)((uint64_t)(x) & 0xffffffff));
1113
1114#define IF_LRO_ENABLED(sc)  (((sc)->ifp->if_capenable & IFCAP_LRO) ? 1:0)
1115#define IF_LSO_ENABLED(sc)  (((sc)->ifp->if_capenable & IFCAP_TSO4) ? 1:0)
1116#define IF_CSUM_ENABLED(sc) (((sc)->ifp->if_capenable & IFCAP_HWCSUM) ? 1:0)
1117
1118#define OCE_LOG2(x) 			(oce_highbit(x))
1119static inline uint32_t oce_highbit(uint32_t x)
1120{
1121	int i;
1122	int c;
1123	int b;
1124
1125	c = 0;
1126	b = 0;
1127
1128	for (i = 0; i < 32; i++) {
1129		if ((1 << i) & x) {
1130			c++;
1131			b = i;
1132		}
1133	}
1134
1135	if (c == 1)
1136		return b;
1137
1138	return 0;
1139}
1140
1141static inline int MPU_EP_SEMAPHORE(POCE_SOFTC sc)
1142{
1143	if (IS_BE(sc))
1144		return MPU_EP_SEMAPHORE_BE3;
1145	else if (IS_SH(sc))
1146		return MPU_EP_SEMAPHORE_SH;
1147	else
1148		return MPU_EP_SEMAPHORE_XE201;
1149}
1150
1151#define TRANSCEIVER_DATA_NUM_ELE 64
1152#define TRANSCEIVER_DATA_SIZE 256
1153#define TRANSCEIVER_A0_SIZE 128
1154#define TRANSCEIVER_A2_SIZE 128
1155#define PAGE_NUM_A0 0xa0
1156#define PAGE_NUM_A2 0xa2
1157#define IS_QNQ_OR_UMC(sc) ((sc->pvid && (sc->function_mode & FNM_UMC_MODE ))\
1158		     || (sc->qnqid && (sc->function_mode & FNM_FLEX10_MODE)))
1159
1160