oce_if.h revision 274043
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: stable/10/sys/dev/oce/oce_if.h 274043 2014-11-03 12:38:29Z hselasky $ */
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_RX_SIZE			4096
154#define OCE_MAX_RQ_POSTS		255
155#define OCE_DEFAULT_PROMISCUOUS		0
156
157
158#define RSS_ENABLE_IPV4			0x1
159#define RSS_ENABLE_TCP_IPV4		0x2
160#define RSS_ENABLE_IPV6			0x4
161#define RSS_ENABLE_TCP_IPV6		0x8
162
163#define INDIRECTION_TABLE_ENTRIES	128
164
165/* flow control definitions */
166#define OCE_FC_NONE			0x00000000
167#define OCE_FC_TX			0x00000001
168#define OCE_FC_RX			0x00000002
169#define OCE_DEFAULT_FLOW_CONTROL	(OCE_FC_TX | OCE_FC_RX)
170
171
172/* Interface capabilities to give device when creating interface */
173#define  OCE_CAPAB_FLAGS 		(MBX_RX_IFACE_FLAGS_BROADCAST    | \
174					MBX_RX_IFACE_FLAGS_UNTAGGED      | \
175					MBX_RX_IFACE_FLAGS_PROMISCUOUS      | \
176					MBX_RX_IFACE_FLAGS_VLAN_PROMISCUOUS |	\
177					MBX_RX_IFACE_FLAGS_MCAST_PROMISCUOUS   | \
178					MBX_RX_IFACE_FLAGS_RSS | \
179					MBX_RX_IFACE_FLAGS_PASS_L3L4_ERR)
180
181/* Interface capabilities to enable by default (others set dynamically) */
182#define  OCE_CAPAB_ENABLE		(MBX_RX_IFACE_FLAGS_BROADCAST | \
183					MBX_RX_IFACE_FLAGS_UNTAGGED   | \
184					MBX_RX_IFACE_FLAGS_PASS_L3L4_ERR)
185
186#define OCE_IF_HWASSIST			(CSUM_IP | CSUM_TCP | CSUM_UDP)
187#define OCE_IF_CAPABILITIES		(IFCAP_VLAN_MTU | IFCAP_VLAN_HWTAGGING | \
188					IFCAP_HWCSUM | IFCAP_VLAN_HWCSUM | \
189					IFCAP_JUMBO_MTU | IFCAP_VLAN_MTU)
190#define OCE_IF_HWASSIST_NONE		0
191#define OCE_IF_CAPABILITIES_NONE 	0
192
193
194#define ETH_ADDR_LEN			6
195#define MAX_VLANFILTER_SIZE		64
196#define MAX_VLANS			4096
197
198#define upper_32_bits(n)		((uint32_t)(((n) >> 16) >> 16))
199#define BSWAP_8(x)			((x) & 0xff)
200#define BSWAP_16(x)			((BSWAP_8(x) << 8) | BSWAP_8((x) >> 8))
201#define BSWAP_32(x)			((BSWAP_16(x) << 16) | \
202					 BSWAP_16((x) >> 16))
203#define BSWAP_64(x)			((BSWAP_32(x) << 32) | \
204					BSWAP_32((x) >> 32))
205
206#define for_all_wq_queues(sc, wq, i) 	\
207		for (i = 0, wq = sc->wq[0]; i < sc->nwqs; i++, wq = sc->wq[i])
208#define for_all_rq_queues(sc, rq, i) 	\
209		for (i = 0, rq = sc->rq[0]; i < sc->nrqs; i++, rq = sc->rq[i])
210#define for_all_rss_queues(sc, rq, i) 	\
211		for (i = 0, rq = sc->rq[i + 1]; i < (sc->nrqs - 1); \
212		     i++, rq = sc->rq[i + 1])
213#define for_all_evnt_queues(sc, eq, i) 	\
214		for (i = 0, eq = sc->eq[0]; i < sc->neqs; i++, eq = sc->eq[i])
215#define for_all_cq_queues(sc, cq, i) 	\
216		for (i = 0, cq = sc->cq[0]; i < sc->ncqs; i++, cq = sc->cq[i])
217
218
219/* Flash specific */
220#define IOCTL_COOKIE			"SERVERENGINES CORP"
221#define MAX_FLASH_COMP			32
222
223#define IMG_ISCSI			160
224#define IMG_REDBOOT			224
225#define IMG_BIOS			34
226#define IMG_PXEBIOS			32
227#define IMG_FCOEBIOS			33
228#define IMG_ISCSI_BAK			176
229#define IMG_FCOE			162
230#define IMG_FCOE_BAK			178
231#define IMG_NCSI			16
232#define IMG_PHY				192
233#define FLASHROM_OPER_FLASH		1
234#define FLASHROM_OPER_SAVE		2
235#define FLASHROM_OPER_REPORT		4
236#define FLASHROM_OPER_FLASH_PHY		9
237#define FLASHROM_OPER_SAVE_PHY		10
238#define TN_8022				13
239
240enum {
241	PHY_TYPE_CX4_10GB = 0,
242	PHY_TYPE_XFP_10GB,
243	PHY_TYPE_SFP_1GB,
244	PHY_TYPE_SFP_PLUS_10GB,
245	PHY_TYPE_KR_10GB,
246	PHY_TYPE_KX4_10GB,
247	PHY_TYPE_BASET_10GB,
248	PHY_TYPE_BASET_1GB,
249	PHY_TYPE_BASEX_1GB,
250	PHY_TYPE_SGMII,
251	PHY_TYPE_DISABLED = 255
252};
253
254/**
255 * @brief Define and hold all necessary info for a single interrupt
256 */
257#define OCE_MAX_MSI			32 /* Message Signaled Interrupts */
258#define OCE_MAX_MSIX			2048 /* PCI Express MSI Interrrupts */
259
260typedef struct oce_intr_info {
261	void *tag;		/* cookie returned by bus_setup_intr */
262	struct resource *intr_res;	/* PCI resource container */
263	int irq_rr;		/* resource id for the interrupt */
264	struct oce_softc *sc;	/* pointer to the parent soft c */
265	struct oce_eq *eq;	/* pointer to the connected EQ */
266	struct taskqueue *tq;	/* Associated task queue */
267	struct task task;	/* task queue task */
268	char task_name[32];	/* task name */
269	int vector;		/* interrupt vector number */
270} OCE_INTR_INFO, *POCE_INTR_INFO;
271
272
273/* Ring related */
274#define	GET_Q_NEXT(_START, _STEP, _END)	\
275	(((_START) + (_STEP)) < (_END) ? ((_START) + (_STEP)) \
276	: (((_START) + (_STEP)) - (_END)))
277
278#define	DBUF_PA(obj)			((obj)->addr)
279#define	DBUF_VA(obj) 			((obj)->ptr)
280#define	DBUF_TAG(obj) 			((obj)->tag)
281#define	DBUF_MAP(obj) 			((obj)->map)
282#define	DBUF_SYNC(obj, flags) 		\
283		(void) bus_dmamap_sync(DBUF_TAG(obj), DBUF_MAP(obj), (flags))
284
285#define	RING_NUM_PENDING(ring)		ring->num_used
286#define	RING_FULL(ring) 		(ring->num_used == ring->num_items)
287#define	RING_EMPTY(ring) 		(ring->num_used == 0)
288#define	RING_NUM_FREE(ring)		\
289		(uint32_t)(ring->num_items - ring->num_used)
290#define	RING_GET(ring, n)		\
291		ring->cidx = GET_Q_NEXT(ring->cidx, n, ring->num_items)
292#define	RING_PUT(ring, n)		\
293		ring->pidx = GET_Q_NEXT(ring->pidx, n, ring->num_items)
294
295#define	RING_GET_CONSUMER_ITEM_VA(ring, type) 	\
296	(void*)((type *)DBUF_VA(&ring->dma) + ring->cidx)
297#define	RING_GET_CONSUMER_ITEM_PA(ring, type)		\
298	(uint64_t)(((type *)DBUF_PA(ring->dbuf)) + ring->cidx)
299#define	RING_GET_PRODUCER_ITEM_VA(ring, type)		\
300	(void *)(((type *)DBUF_VA(&ring->dma)) + ring->pidx)
301#define	RING_GET_PRODUCER_ITEM_PA(ring, type)		\
302	(uint64_t)(((type *)DBUF_PA(ring->dbuf)) + ring->pidx)
303
304#define OCE_DMAPTR(o, c) 		((c *)(o)->ptr)
305
306struct oce_packet_desc {
307	struct mbuf *mbuf;
308	bus_dmamap_t map;
309	int nsegs;
310	uint32_t wqe_idx;
311};
312
313typedef struct oce_dma_mem {
314	bus_dma_tag_t tag;
315	bus_dmamap_t map;
316	void *ptr;
317	bus_addr_t paddr;
318} OCE_DMA_MEM, *POCE_DMA_MEM;
319
320typedef struct oce_ring_buffer_s {
321	uint16_t cidx;	/* Get ptr */
322	uint16_t pidx;	/* Put Ptr */
323	size_t item_size;
324	size_t num_items;
325	uint32_t num_used;
326	OCE_DMA_MEM dma;
327} oce_ring_buffer_t;
328
329/* Stats */
330#define OCE_UNICAST_PACKET	0
331#define OCE_MULTICAST_PACKET	1
332#define OCE_BROADCAST_PACKET	2
333#define OCE_RSVD_PACKET		3
334
335struct oce_rx_stats {
336	/* Total Receive Stats*/
337	uint64_t t_rx_pkts;
338	uint64_t t_rx_bytes;
339	uint32_t t_rx_frags;
340	uint32_t t_rx_mcast_pkts;
341	uint32_t t_rx_ucast_pkts;
342	uint32_t t_rxcp_errs;
343};
344struct oce_tx_stats {
345	/*Total Transmit Stats */
346	uint64_t t_tx_pkts;
347	uint64_t t_tx_bytes;
348	uint32_t t_tx_reqs;
349	uint32_t t_tx_stops;
350	uint32_t t_tx_wrbs;
351	uint32_t t_tx_compl;
352	uint32_t t_ipv6_ext_hdr_tx_drop;
353};
354
355struct oce_be_stats {
356	uint8_t  be_on_die_temperature;
357	uint32_t be_tx_events;
358	uint32_t eth_red_drops;
359	uint32_t rx_drops_no_pbuf;
360	uint32_t rx_drops_no_txpb;
361	uint32_t rx_drops_no_erx_descr;
362	uint32_t rx_drops_no_tpre_descr;
363	uint32_t rx_drops_too_many_frags;
364	uint32_t rx_drops_invalid_ring;
365	uint32_t forwarded_packets;
366	uint32_t rx_drops_mtu;
367	uint32_t rx_crc_errors;
368	uint32_t rx_alignment_symbol_errors;
369	uint32_t rx_pause_frames;
370	uint32_t rx_priority_pause_frames;
371	uint32_t rx_control_frames;
372	uint32_t rx_in_range_errors;
373	uint32_t rx_out_range_errors;
374	uint32_t rx_frame_too_long;
375	uint32_t rx_address_match_errors;
376	uint32_t rx_dropped_too_small;
377	uint32_t rx_dropped_too_short;
378	uint32_t rx_dropped_header_too_small;
379	uint32_t rx_dropped_tcp_length;
380	uint32_t rx_dropped_runt;
381	uint32_t rx_ip_checksum_errs;
382	uint32_t rx_tcp_checksum_errs;
383	uint32_t rx_udp_checksum_errs;
384	uint32_t rx_switched_unicast_packets;
385	uint32_t rx_switched_multicast_packets;
386	uint32_t rx_switched_broadcast_packets;
387	uint32_t tx_pauseframes;
388	uint32_t tx_priority_pauseframes;
389	uint32_t tx_controlframes;
390	uint32_t rxpp_fifo_overflow_drop;
391	uint32_t rx_input_fifo_overflow_drop;
392	uint32_t pmem_fifo_overflow_drop;
393	uint32_t jabber_events;
394};
395
396struct oce_xe201_stats {
397	uint64_t tx_pkts;
398	uint64_t tx_unicast_pkts;
399	uint64_t tx_multicast_pkts;
400	uint64_t tx_broadcast_pkts;
401	uint64_t tx_bytes;
402	uint64_t tx_unicast_bytes;
403	uint64_t tx_multicast_bytes;
404	uint64_t tx_broadcast_bytes;
405	uint64_t tx_discards;
406	uint64_t tx_errors;
407	uint64_t tx_pause_frames;
408	uint64_t tx_pause_on_frames;
409	uint64_t tx_pause_off_frames;
410	uint64_t tx_internal_mac_errors;
411	uint64_t tx_control_frames;
412	uint64_t tx_pkts_64_bytes;
413	uint64_t tx_pkts_65_to_127_bytes;
414	uint64_t tx_pkts_128_to_255_bytes;
415	uint64_t tx_pkts_256_to_511_bytes;
416	uint64_t tx_pkts_512_to_1023_bytes;
417	uint64_t tx_pkts_1024_to_1518_bytes;
418	uint64_t tx_pkts_1519_to_2047_bytes;
419	uint64_t tx_pkts_2048_to_4095_bytes;
420	uint64_t tx_pkts_4096_to_8191_bytes;
421	uint64_t tx_pkts_8192_to_9216_bytes;
422	uint64_t tx_lso_pkts;
423	uint64_t rx_pkts;
424	uint64_t rx_unicast_pkts;
425	uint64_t rx_multicast_pkts;
426	uint64_t rx_broadcast_pkts;
427	uint64_t rx_bytes;
428	uint64_t rx_unicast_bytes;
429	uint64_t rx_multicast_bytes;
430	uint64_t rx_broadcast_bytes;
431	uint32_t rx_unknown_protos;
432	uint64_t rx_discards;
433	uint64_t rx_errors;
434	uint64_t rx_crc_errors;
435	uint64_t rx_alignment_errors;
436	uint64_t rx_symbol_errors;
437	uint64_t rx_pause_frames;
438	uint64_t rx_pause_on_frames;
439	uint64_t rx_pause_off_frames;
440	uint64_t rx_frames_too_long;
441	uint64_t rx_internal_mac_errors;
442	uint32_t rx_undersize_pkts;
443	uint32_t rx_oversize_pkts;
444	uint32_t rx_fragment_pkts;
445	uint32_t rx_jabbers;
446	uint64_t rx_control_frames;
447	uint64_t rx_control_frames_unknown_opcode;
448	uint32_t rx_in_range_errors;
449	uint32_t rx_out_of_range_errors;
450	uint32_t rx_address_match_errors;
451	uint32_t rx_vlan_mismatch_errors;
452	uint32_t rx_dropped_too_small;
453	uint32_t rx_dropped_too_short;
454	uint32_t rx_dropped_header_too_small;
455	uint32_t rx_dropped_invalid_tcp_length;
456	uint32_t rx_dropped_runt;
457	uint32_t rx_ip_checksum_errors;
458	uint32_t rx_tcp_checksum_errors;
459	uint32_t rx_udp_checksum_errors;
460	uint32_t rx_non_rss_pkts;
461	uint64_t rx_ipv4_pkts;
462	uint64_t rx_ipv6_pkts;
463	uint64_t rx_ipv4_bytes;
464	uint64_t rx_ipv6_bytes;
465	uint64_t rx_nic_pkts;
466	uint64_t rx_tcp_pkts;
467	uint64_t rx_iscsi_pkts;
468	uint64_t rx_management_pkts;
469	uint64_t rx_switched_unicast_pkts;
470	uint64_t rx_switched_multicast_pkts;
471	uint64_t rx_switched_broadcast_pkts;
472	uint64_t num_forwards;
473	uint32_t rx_fifo_overflow;
474	uint32_t rx_input_fifo_overflow;
475	uint64_t rx_drops_too_many_frags;
476	uint32_t rx_drops_invalid_queue;
477	uint64_t rx_drops_mtu;
478	uint64_t rx_pkts_64_bytes;
479	uint64_t rx_pkts_65_to_127_bytes;
480	uint64_t rx_pkts_128_to_255_bytes;
481	uint64_t rx_pkts_256_to_511_bytes;
482	uint64_t rx_pkts_512_to_1023_bytes;
483	uint64_t rx_pkts_1024_to_1518_bytes;
484	uint64_t rx_pkts_1519_to_2047_bytes;
485	uint64_t rx_pkts_2048_to_4095_bytes;
486	uint64_t rx_pkts_4096_to_8191_bytes;
487	uint64_t rx_pkts_8192_to_9216_bytes;
488};
489
490struct oce_drv_stats {
491	struct oce_rx_stats rx;
492	struct oce_tx_stats tx;
493	union {
494		struct oce_be_stats be;
495		struct oce_xe201_stats xe201;
496	} u0;
497};
498
499#define INTR_RATE_HWM                   15000
500#define INTR_RATE_LWM                   10000
501
502#define OCE_MAX_EQD 128u
503#define OCE_MIN_EQD 50u
504
505struct oce_set_eqd {
506	uint32_t eq_id;
507	uint32_t phase;
508	uint32_t delay_multiplier;
509};
510
511struct oce_aic_obj {             /* Adaptive interrupt coalescing (AIC) info */
512	boolean_t enable;
513	uint32_t  min_eqd;            /* in usecs */
514	uint32_t  max_eqd;            /* in usecs */
515	uint32_t  cur_eqd;            /* in usecs */
516	uint32_t  et_eqd;             /* configured value when aic is off */
517	uint64_t  ticks;
518	uint64_t  intr_prev;
519};
520
521#define MAX_LOCK_DESC_LEN			32
522struct oce_lock {
523	struct mtx mutex;
524	char name[MAX_LOCK_DESC_LEN+1];
525};
526#define OCE_LOCK				struct oce_lock
527
528#define LOCK_CREATE(lock, desc) 		{ \
529	strncpy((lock)->name, (desc), MAX_LOCK_DESC_LEN); \
530	(lock)->name[MAX_LOCK_DESC_LEN] = '\0'; \
531	mtx_init(&(lock)->mutex, (lock)->name, NULL, MTX_DEF); \
532}
533#define LOCK_DESTROY(lock) 			\
534		if (mtx_initialized(&(lock)->mutex))\
535			mtx_destroy(&(lock)->mutex)
536#define TRY_LOCK(lock)				mtx_trylock(&(lock)->mutex)
537#define LOCK(lock)				mtx_lock(&(lock)->mutex)
538#define LOCKED(lock)				mtx_owned(&(lock)->mutex)
539#define UNLOCK(lock)				mtx_unlock(&(lock)->mutex)
540
541#define	DEFAULT_MQ_MBOX_TIMEOUT			(5 * 1000 * 1000)
542#define	MBX_READY_TIMEOUT			(1 * 1000 * 1000)
543#define	DEFAULT_DRAIN_TIME			200
544#define	MBX_TIMEOUT_SEC				5
545#define	STAT_TIMEOUT				2000000
546
547/* size of the packet descriptor array in a transmit queue */
548#define OCE_TX_RING_SIZE			2048
549#define OCE_RX_RING_SIZE			1024
550#define OCE_WQ_PACKET_ARRAY_SIZE		(OCE_TX_RING_SIZE/2)
551#define OCE_RQ_PACKET_ARRAY_SIZE		(OCE_RX_RING_SIZE)
552
553struct oce_dev;
554
555enum eq_len {
556	EQ_LEN_256  = 256,
557	EQ_LEN_512  = 512,
558	EQ_LEN_1024 = 1024,
559	EQ_LEN_2048 = 2048,
560	EQ_LEN_4096 = 4096
561};
562
563enum eqe_size {
564	EQE_SIZE_4  = 4,
565	EQE_SIZE_16 = 16
566};
567
568enum qtype {
569	QTYPE_EQ,
570	QTYPE_MQ,
571	QTYPE_WQ,
572	QTYPE_RQ,
573	QTYPE_CQ,
574	QTYPE_RSS
575};
576
577typedef enum qstate_e {
578	QDELETED = 0x0,
579	QCREATED = 0x1
580} qstate_t;
581
582struct eq_config {
583	enum eq_len q_len;
584	enum eqe_size item_size;
585	uint32_t q_vector_num;
586	uint8_t min_eqd;
587	uint8_t max_eqd;
588	uint8_t cur_eqd;
589	uint8_t pad;
590};
591
592struct oce_eq {
593	uint32_t eq_id;
594	void *parent;
595	void *cb_context;
596	oce_ring_buffer_t *ring;
597	uint32_t ref_count;
598	qstate_t qstate;
599	struct oce_cq *cq[OCE_MAX_CQ_EQ];
600	int cq_valid;
601	struct eq_config eq_cfg;
602	int vector;
603	uint64_t intr;
604};
605
606enum cq_len {
607	CQ_LEN_256  = 256,
608	CQ_LEN_512  = 512,
609	CQ_LEN_1024 = 1024
610};
611
612struct cq_config {
613	enum cq_len q_len;
614	uint32_t item_size;
615	boolean_t is_eventable;
616	boolean_t sol_eventable;
617	boolean_t nodelay;
618	uint16_t dma_coalescing;
619};
620
621typedef uint16_t(*cq_handler_t) (void *arg1);
622
623struct oce_cq {
624	uint32_t cq_id;
625	void *parent;
626	struct oce_eq *eq;
627	cq_handler_t cq_handler;
628	void *cb_arg;
629	oce_ring_buffer_t *ring;
630	qstate_t qstate;
631	struct cq_config cq_cfg;
632	uint32_t ref_count;
633};
634
635
636struct mq_config {
637	uint32_t eqd;
638	uint8_t q_len;
639	uint8_t pad[3];
640};
641
642
643struct oce_mq {
644	void *parent;
645	oce_ring_buffer_t *ring;
646	uint32_t mq_id;
647	struct oce_cq *cq;
648	struct oce_cq *async_cq;
649	uint32_t mq_free;
650	qstate_t qstate;
651	struct mq_config cfg;
652};
653
654struct oce_mbx_ctx {
655	struct oce_mbx *mbx;
656	void (*cb) (void *ctx);
657	void *cb_ctx;
658};
659
660struct wq_config {
661	uint8_t wq_type;
662	uint16_t buf_size;
663	uint8_t pad[1];
664	uint32_t q_len;
665	uint16_t pd_id;
666	uint16_t pci_fn_num;
667	uint32_t eqd;	/* interrupt delay */
668	uint32_t nbufs;
669	uint32_t nhdl;
670};
671
672struct oce_tx_queue_stats {
673	uint64_t tx_pkts;
674	uint64_t tx_bytes;
675	uint32_t tx_reqs;
676	uint32_t tx_stops; /* number of times TX Q was stopped */
677	uint32_t tx_wrbs;
678	uint32_t tx_compl;
679	uint32_t tx_rate;
680	uint32_t ipv6_ext_hdr_tx_drop;
681};
682
683struct oce_wq {
684	OCE_LOCK tx_lock;
685	void *parent;
686	oce_ring_buffer_t *ring;
687	struct oce_cq *cq;
688	bus_dma_tag_t tag;
689	struct oce_packet_desc pckts[OCE_WQ_PACKET_ARRAY_SIZE];
690	uint32_t pkt_desc_tail;
691	uint32_t pkt_desc_head;
692	uint32_t wqm_used;
693	boolean_t resched;
694	uint32_t wq_free;
695	uint32_t tx_deferd;
696	uint32_t pkt_drops;
697	qstate_t qstate;
698	uint16_t wq_id;
699	struct wq_config cfg;
700	int queue_index;
701	struct oce_tx_queue_stats tx_stats;
702	struct buf_ring *br;
703	struct task txtask;
704	uint32_t db_offset;
705};
706
707struct rq_config {
708	uint32_t q_len;
709	uint32_t frag_size;
710	uint32_t mtu;
711	uint32_t if_id;
712	uint32_t is_rss_queue;
713	uint32_t eqd;
714	uint32_t nbufs;
715};
716
717struct oce_rx_queue_stats {
718	uint32_t rx_post_fail;
719	uint32_t rx_ucast_pkts;
720	uint32_t rx_compl;
721	uint64_t rx_bytes;
722	uint64_t rx_bytes_prev;
723	uint64_t rx_pkts;
724	uint32_t rx_rate;
725	uint32_t rx_mcast_pkts;
726	uint32_t rxcp_err;
727	uint32_t rx_frags;
728	uint32_t prev_rx_frags;
729	uint32_t rx_fps;
730};
731
732
733struct oce_rq {
734	struct rq_config cfg;
735	uint32_t rq_id;
736	int queue_index;
737	uint32_t rss_cpuid;
738	void *parent;
739	oce_ring_buffer_t *ring;
740	struct oce_cq *cq;
741	void *pad1;
742	bus_dma_tag_t tag;
743	struct oce_packet_desc pckts[OCE_RQ_PACKET_ARRAY_SIZE];
744	uint32_t packets_in;
745	uint32_t packets_out;
746	uint32_t pending;
747#ifdef notdef
748	struct mbuf *head;
749	struct mbuf *tail;
750	int fragsleft;
751#endif
752	qstate_t qstate;
753	OCE_LOCK rx_lock;
754	struct oce_rx_queue_stats rx_stats;
755	struct lro_ctrl lro;
756	int lro_pkts_queued;
757
758};
759
760struct link_status {
761	uint8_t phys_port_speed;
762	uint8_t logical_link_status;
763	uint16_t qos_link_speed;
764};
765
766
767
768#define OCE_FLAGS_PCIX			0x00000001
769#define OCE_FLAGS_PCIE			0x00000002
770#define OCE_FLAGS_MSI_CAPABLE		0x00000004
771#define OCE_FLAGS_MSIX_CAPABLE		0x00000008
772#define OCE_FLAGS_USING_MSI		0x00000010
773#define OCE_FLAGS_USING_MSIX		0x00000020
774#define OCE_FLAGS_FUNCRESET_RQD		0x00000040
775#define OCE_FLAGS_VIRTUAL_PORT		0x00000080
776#define OCE_FLAGS_MBOX_ENDIAN_RQD	0x00000100
777#define OCE_FLAGS_BE3			0x00000200
778#define OCE_FLAGS_XE201			0x00000400
779#define OCE_FLAGS_BE2			0x00000800
780#define OCE_FLAGS_SH			0x00001000
781
782#define OCE_DEV_BE2_CFG_BAR		1
783#define OCE_DEV_CFG_BAR			0
784#define OCE_PCI_CSR_BAR			2
785#define OCE_PCI_DB_BAR			4
786
787typedef struct oce_softc {
788	device_t dev;
789	OCE_LOCK dev_lock;
790
791	uint32_t flags;
792
793	uint32_t pcie_link_speed;
794	uint32_t pcie_link_width;
795
796	uint8_t fn; /* PCI function number */
797
798	struct resource *devcfg_res;
799	bus_space_tag_t devcfg_btag;
800	bus_space_handle_t devcfg_bhandle;
801	void *devcfg_vhandle;
802
803	struct resource *csr_res;
804	bus_space_tag_t csr_btag;
805	bus_space_handle_t csr_bhandle;
806	void *csr_vhandle;
807
808	struct resource *db_res;
809	bus_space_tag_t db_btag;
810	bus_space_handle_t db_bhandle;
811	void *db_vhandle;
812
813	OCE_INTR_INFO intrs[OCE_MAX_EQ];
814	int intr_count;
815
816	struct ifnet *ifp;
817
818	struct ifmedia media;
819	uint8_t link_status;
820	uint8_t link_speed;
821	uint8_t duplex;
822	uint32_t qos_link_speed;
823	uint32_t speed;
824
825	char fw_version[32];
826	struct mac_address_format macaddr;
827
828	OCE_DMA_MEM bsmbx;
829	OCE_LOCK bmbx_lock;
830
831	uint32_t config_number;
832	uint32_t asic_revision;
833	uint32_t port_id;
834	uint32_t function_mode;
835	uint32_t function_caps;
836	uint32_t max_tx_rings;
837	uint32_t max_rx_rings;
838
839	struct oce_wq *wq[OCE_MAX_WQ];	/* TX work queues */
840	struct oce_rq *rq[OCE_MAX_RQ];	/* RX work queues */
841	struct oce_cq *cq[OCE_MAX_CQ];	/* Completion queues */
842	struct oce_eq *eq[OCE_MAX_EQ];	/* Event queues */
843	struct oce_mq *mq;		/* Mailbox queue */
844
845	uint32_t neqs;
846	uint32_t ncqs;
847	uint32_t nrqs;
848	uint32_t nwqs;
849	uint32_t nrssqs;
850
851	uint32_t tx_ring_size;
852	uint32_t rx_ring_size;
853	uint32_t rq_frag_size;
854
855	uint32_t if_id;		/* interface ID */
856	uint32_t nifs;		/* number of adapter interfaces, 0 or 1 */
857	uint32_t pmac_id;	/* PMAC id */
858
859	uint32_t if_cap_flags;
860
861	uint32_t flow_control;
862	uint8_t  promisc;
863
864	struct oce_aic_obj aic_obj[OCE_MAX_EQ];
865
866	/*Vlan Filtering related */
867	eventhandler_tag vlan_attach;
868	eventhandler_tag vlan_detach;
869	uint16_t vlans_added;
870	uint8_t vlan_tag[MAX_VLANS];
871	/*stats */
872	OCE_DMA_MEM stats_mem;
873	struct oce_drv_stats oce_stats_info;
874	struct callout  timer;
875	int8_t be3_native;
876	uint8_t hw_error;
877	uint16_t qnq_debug_event;
878	uint16_t qnqid;
879	uint32_t pvid;
880	uint32_t max_vlans;
881
882} OCE_SOFTC, *POCE_SOFTC;
883
884
885
886/**************************************************
887 * BUS memory read/write macros
888 * BE3: accesses three BAR spaces (CFG, CSR, DB)
889 * Lancer: accesses one BAR space (CFG)
890 **************************************************/
891#define OCE_READ_CSR_MPU(sc, space, o) \
892	((IS_BE(sc)) ? (bus_space_read_4((sc)->space##_btag, \
893					(sc)->space##_bhandle,o)) \
894				: (bus_space_read_4((sc)->devcfg_btag, \
895					(sc)->devcfg_bhandle,o)))
896#define OCE_READ_REG32(sc, space, o) \
897	((IS_BE(sc) || IS_SH(sc)) ? (bus_space_read_4((sc)->space##_btag, \
898					(sc)->space##_bhandle,o)) \
899				: (bus_space_read_4((sc)->devcfg_btag, \
900					(sc)->devcfg_bhandle,o)))
901#define OCE_READ_REG16(sc, space, o) \
902	((IS_BE(sc) || IS_SH(sc)) ? (bus_space_read_2((sc)->space##_btag, \
903					(sc)->space##_bhandle,o)) \
904				: (bus_space_read_2((sc)->devcfg_btag, \
905					(sc)->devcfg_bhandle,o)))
906#define OCE_READ_REG8(sc, space, o) \
907	((IS_BE(sc) || IS_SH(sc)) ? (bus_space_read_1((sc)->space##_btag, \
908					(sc)->space##_bhandle,o)) \
909				: (bus_space_read_1((sc)->devcfg_btag, \
910					(sc)->devcfg_bhandle,o)))
911
912#define OCE_WRITE_CSR_MPU(sc, space, o, v) \
913	((IS_BE(sc)) ? (bus_space_write_4((sc)->space##_btag, \
914				       (sc)->space##_bhandle,o,v)) \
915				: (bus_space_write_4((sc)->devcfg_btag, \
916					(sc)->devcfg_bhandle,o,v)))
917#define OCE_WRITE_REG32(sc, space, o, v) \
918	((IS_BE(sc) || IS_SH(sc)) ? (bus_space_write_4((sc)->space##_btag, \
919				       (sc)->space##_bhandle,o,v)) \
920				: (bus_space_write_4((sc)->devcfg_btag, \
921					(sc)->devcfg_bhandle,o,v)))
922#define OCE_WRITE_REG16(sc, space, o, v) \
923	((IS_BE(sc) || IS_SH(sc)) ? (bus_space_write_2((sc)->space##_btag, \
924				       (sc)->space##_bhandle,o,v)) \
925				: (bus_space_write_2((sc)->devcfg_btag, \
926					(sc)->devcfg_bhandle,o,v)))
927#define OCE_WRITE_REG8(sc, space, o, v) \
928	((IS_BE(sc) || IS_SH(sc)) ? (bus_space_write_1((sc)->space##_btag, \
929				       (sc)->space##_bhandle,o,v)) \
930				: (bus_space_write_1((sc)->devcfg_btag, \
931					(sc)->devcfg_bhandle,o,v)))
932
933
934/***********************************************************
935 * DMA memory functions
936 ***********************************************************/
937#define oce_dma_sync(d, f)		bus_dmamap_sync((d)->tag, (d)->map, f)
938int oce_dma_alloc(POCE_SOFTC sc, bus_size_t size, POCE_DMA_MEM dma, int flags);
939void oce_dma_free(POCE_SOFTC sc, POCE_DMA_MEM dma);
940void oce_dma_map_addr(void *arg, bus_dma_segment_t * segs, int nseg, int error);
941void oce_destroy_ring_buffer(POCE_SOFTC sc, oce_ring_buffer_t *ring);
942oce_ring_buffer_t *oce_create_ring_buffer(POCE_SOFTC sc,
943					  uint32_t q_len, uint32_t num_entries);
944/************************************************************
945 * oce_hw_xxx functions
946 ************************************************************/
947int oce_clear_rx_buf(struct oce_rq *rq);
948int oce_hw_pci_alloc(POCE_SOFTC sc);
949int oce_hw_init(POCE_SOFTC sc);
950int oce_hw_start(POCE_SOFTC sc);
951int oce_create_nw_interface(POCE_SOFTC sc);
952int oce_pci_soft_reset(POCE_SOFTC sc);
953int oce_hw_update_multicast(POCE_SOFTC sc);
954void oce_delete_nw_interface(POCE_SOFTC sc);
955void oce_hw_shutdown(POCE_SOFTC sc);
956void oce_hw_intr_enable(POCE_SOFTC sc);
957void oce_hw_intr_disable(POCE_SOFTC sc);
958void oce_hw_pci_free(POCE_SOFTC sc);
959
960/***********************************************************
961 * oce_queue_xxx functions
962 ***********************************************************/
963int oce_queue_init_all(POCE_SOFTC sc);
964int oce_start_rq(struct oce_rq *rq);
965int oce_start_wq(struct oce_wq *wq);
966int oce_start_mq(struct oce_mq *mq);
967int oce_start_rx(POCE_SOFTC sc);
968void oce_arm_eq(POCE_SOFTC sc,
969		int16_t qid, int npopped, uint32_t rearm, uint32_t clearint);
970void oce_queue_release_all(POCE_SOFTC sc);
971void oce_arm_cq(POCE_SOFTC sc, int16_t qid, int npopped, uint32_t rearm);
972void oce_drain_eq(struct oce_eq *eq);
973void oce_drain_mq_cq(void *arg);
974void oce_drain_rq_cq(struct oce_rq *rq);
975void oce_drain_wq_cq(struct oce_wq *wq);
976
977uint32_t oce_page_list(oce_ring_buffer_t *ring, struct phys_addr *pa_list);
978
979/***********************************************************
980 * cleanup  functions
981 ***********************************************************/
982void oce_stop_rx(POCE_SOFTC sc);
983void oce_intr_free(POCE_SOFTC sc);
984void oce_free_posted_rxbuf(struct oce_rq *rq);
985#if defined(INET6) || defined(INET)
986void oce_free_lro(POCE_SOFTC sc);
987#endif
988
989
990/************************************************************
991 * Mailbox functions
992 ************************************************************/
993int oce_fw_clean(POCE_SOFTC sc);
994int oce_reset_fun(POCE_SOFTC sc);
995int oce_mbox_init(POCE_SOFTC sc);
996int oce_mbox_dispatch(POCE_SOFTC sc, uint32_t tmo_sec);
997int oce_get_fw_version(POCE_SOFTC sc);
998int oce_first_mcc_cmd(POCE_SOFTC sc);
999
1000int oce_read_mac_addr(POCE_SOFTC sc, uint32_t if_id, uint8_t perm,
1001			uint8_t type, struct mac_address_format *mac);
1002int oce_get_fw_config(POCE_SOFTC sc);
1003int oce_if_create(POCE_SOFTC sc, uint32_t cap_flags, uint32_t en_flags,
1004		uint16_t vlan_tag, uint8_t *mac_addr, uint32_t *if_id);
1005int oce_if_del(POCE_SOFTC sc, uint32_t if_id);
1006int oce_config_vlan(POCE_SOFTC sc, uint32_t if_id,
1007		struct normal_vlan *vtag_arr, uint8_t vtag_cnt,
1008		uint32_t untagged, uint32_t enable_promisc);
1009int oce_set_flow_control(POCE_SOFTC sc, uint32_t flow_control);
1010int oce_config_nic_rss(POCE_SOFTC sc, uint32_t if_id, uint16_t enable_rss);
1011int oce_rxf_set_promiscuous(POCE_SOFTC sc, uint8_t enable);
1012int oce_set_common_iface_rx_filter(POCE_SOFTC sc, POCE_DMA_MEM sgl);
1013int oce_get_link_status(POCE_SOFTC sc, struct link_status *link);
1014int oce_mbox_get_nic_stats_v0(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem);
1015int oce_mbox_get_nic_stats(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem);
1016int oce_mbox_get_pport_stats(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem,
1017				uint32_t reset_stats);
1018int oce_mbox_get_vport_stats(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem,
1019				uint32_t req_size, uint32_t reset_stats);
1020int oce_update_multicast(POCE_SOFTC sc, POCE_DMA_MEM pdma_mem);
1021int oce_pass_through_mbox(POCE_SOFTC sc, POCE_DMA_MEM dma_mem, uint32_t req_size);
1022int oce_mbox_macaddr_del(POCE_SOFTC sc, uint32_t if_id, uint32_t pmac_id);
1023int oce_mbox_macaddr_add(POCE_SOFTC sc, uint8_t *mac_addr,
1024		uint32_t if_id, uint32_t *pmac_id);
1025int oce_mbox_cmd_test_loopback(POCE_SOFTC sc, uint32_t port_num,
1026	uint32_t loopback_type, uint32_t pkt_size, uint32_t num_pkts,
1027	uint64_t pattern);
1028
1029int oce_mbox_cmd_set_loopback(POCE_SOFTC sc, uint8_t port_num,
1030	uint8_t loopback_type, uint8_t enable);
1031
1032int oce_mbox_check_native_mode(POCE_SOFTC sc);
1033int oce_mbox_post(POCE_SOFTC sc,
1034		  struct oce_mbx *mbx, struct oce_mbx_ctx *mbxctx);
1035int oce_mbox_write_flashrom(POCE_SOFTC sc, uint32_t optype,uint32_t opcode,
1036				POCE_DMA_MEM pdma_mem, uint32_t num_bytes);
1037int oce_mbox_lancer_write_flashrom(POCE_SOFTC sc, uint32_t data_size,
1038			uint32_t data_offset,POCE_DMA_MEM pdma_mem,
1039			uint32_t *written_data, uint32_t *additional_status);
1040
1041int oce_mbox_get_flashrom_crc(POCE_SOFTC sc, uint8_t *flash_crc,
1042				uint32_t offset, uint32_t optype);
1043int oce_mbox_get_phy_info(POCE_SOFTC sc, struct oce_phy_info *phy_info);
1044int oce_mbox_create_rq(struct oce_rq *rq);
1045int oce_mbox_create_wq(struct oce_wq *wq);
1046int oce_mbox_create_eq(struct oce_eq *eq);
1047int oce_mbox_cq_create(struct oce_cq *cq, uint32_t ncoalesce,
1048			 uint32_t is_eventable);
1049int oce_mbox_read_transrecv_data(POCE_SOFTC sc, uint32_t page_num);
1050void oce_mbox_eqd_modify_periodic(POCE_SOFTC sc, struct oce_set_eqd *set_eqd,
1051					int num);
1052int oce_get_profile_config(POCE_SOFTC sc, uint32_t max_rss);
1053int oce_get_func_config(POCE_SOFTC sc);
1054void mbx_common_req_hdr_init(struct mbx_hdr *hdr,
1055			     uint8_t dom,
1056			     uint8_t port,
1057			     uint8_t subsys,
1058			     uint8_t opcode,
1059			     uint32_t timeout, uint32_t pyld_len,
1060			     uint8_t version);
1061
1062
1063uint16_t oce_mq_handler(void *arg);
1064
1065/************************************************************
1066 * Transmit functions
1067 ************************************************************/
1068uint16_t oce_wq_handler(void *arg);
1069void	 oce_start(struct ifnet *ifp);
1070void	 oce_tx_task(void *arg, int npending);
1071
1072/************************************************************
1073 * Receive functions
1074 ************************************************************/
1075int	 oce_alloc_rx_bufs(struct oce_rq *rq, int count);
1076uint16_t oce_rq_handler(void *arg);
1077
1078
1079/* Sysctl functions */
1080void oce_add_sysctls(POCE_SOFTC sc);
1081void oce_refresh_queue_stats(POCE_SOFTC sc);
1082int  oce_refresh_nic_stats(POCE_SOFTC sc);
1083int  oce_stats_init(POCE_SOFTC sc);
1084void oce_stats_free(POCE_SOFTC sc);
1085
1086/* Capabilities */
1087#define OCE_MODCAP_RSS			1
1088#define OCE_MAX_RSP_HANDLED		64
1089extern uint32_t oce_max_rsp_handled;	/* max responses */
1090
1091#define OCE_MAC_LOOPBACK		0x0
1092#define OCE_PHY_LOOPBACK		0x1
1093#define OCE_ONE_PORT_EXT_LOOPBACK	0x2
1094#define OCE_NO_LOOPBACK			0xff
1095
1096#undef IFM_40G_SR4
1097#define IFM_40G_SR4			28
1098
1099#define atomic_inc_32(x)		atomic_add_32(x, 1)
1100#define atomic_dec_32(x)		atomic_subtract_32(x, 1)
1101
1102#define LE_64(x)			htole64(x)
1103#define LE_32(x)			htole32(x)
1104#define LE_16(x)			htole16(x)
1105#define HOST_64(x)			le64toh(x)
1106#define HOST_32(x)			le32toh(x)
1107#define HOST_16(x)			le16toh(x)
1108#define DW_SWAP(x, l)
1109#define IS_ALIGNED(x,a)			((x % a) == 0)
1110#define ADDR_HI(x)			((uint32_t)((uint64_t)(x) >> 32))
1111#define ADDR_LO(x)			((uint32_t)((uint64_t)(x) & 0xffffffff));
1112
1113#define IF_LRO_ENABLED(sc)  (((sc)->ifp->if_capenable & IFCAP_LRO) ? 1:0)
1114#define IF_LSO_ENABLED(sc)  (((sc)->ifp->if_capenable & IFCAP_TSO4) ? 1:0)
1115#define IF_CSUM_ENABLED(sc) (((sc)->ifp->if_capenable & IFCAP_HWCSUM) ? 1:0)
1116
1117#define OCE_LOG2(x) 			(oce_highbit(x))
1118static inline uint32_t oce_highbit(uint32_t x)
1119{
1120	int i;
1121	int c;
1122	int b;
1123
1124	c = 0;
1125	b = 0;
1126
1127	for (i = 0; i < 32; i++) {
1128		if ((1 << i) & x) {
1129			c++;
1130			b = i;
1131		}
1132	}
1133
1134	if (c == 1)
1135		return b;
1136
1137	return 0;
1138}
1139
1140static inline int MPU_EP_SEMAPHORE(POCE_SOFTC sc)
1141{
1142	if (IS_BE(sc))
1143		return MPU_EP_SEMAPHORE_BE3;
1144	else if (IS_SH(sc))
1145		return MPU_EP_SEMAPHORE_SH;
1146	else
1147		return MPU_EP_SEMAPHORE_XE201;
1148}
1149
1150#define TRANSCEIVER_DATA_NUM_ELE 64
1151#define TRANSCEIVER_DATA_SIZE 256
1152#define TRANSCEIVER_A0_SIZE 128
1153#define TRANSCEIVER_A2_SIZE 128
1154#define PAGE_NUM_A0 0xa0
1155#define PAGE_NUM_A2 0xa2
1156#define IS_QNQ_OR_UMC(sc) ((sc->pvid && (sc->function_mode & FNM_UMC_MODE ))\
1157		     || (sc->qnqid && (sc->function_mode & FNM_FLEX10_MODE)))
1158
1159