1 /*
2  * Copyright (C) 2005 - 2013 Emulex
3  * All rights reserved.
4  *
5  * This program is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU General Public License version 2
7  * as published by the Free Software Foundation.  The full GNU General
8  * Public License is included in this distribution in the file called COPYING.
9  *
10  * Contact Information:
11  * linux-drivers@emulex.com
12  *
13  * Emulex
14  * 3333 Susan Street
15  * Costa Mesa, CA 92626
16  */
17 
18 #ifndef BE_H
19 #define BE_H
20 
21 #include <linux/pci.h>
22 #include <linux/etherdevice.h>
23 #include <linux/delay.h>
24 #include <net/tcp.h>
25 #include <net/ip.h>
26 #include <net/ipv6.h>
27 #include <linux/if_vlan.h>
28 #include <linux/workqueue.h>
29 #include <linux/interrupt.h>
30 #include <linux/firmware.h>
31 #include <linux/slab.h>
32 #include <linux/u64_stats_sync.h>
33 
34 #include "be_hw.h"
35 #include "be_roce.h"
36 
37 #define DRV_VER			"4.6.62.0u"
38 #define DRV_NAME		"be2net"
39 #define BE_NAME			"Emulex BladeEngine2"
40 #define BE3_NAME		"Emulex BladeEngine3"
41 #define OC_NAME			"Emulex OneConnect"
42 #define OC_NAME_BE		OC_NAME	"(be3)"
43 #define OC_NAME_LANCER		OC_NAME "(Lancer)"
44 #define OC_NAME_SH		OC_NAME "(Skyhawk)"
45 #define DRV_DESC		"Emulex OneConnect 10Gbps NIC Driver"
46 
47 #define BE_VENDOR_ID 		0x19a2
48 #define EMULEX_VENDOR_ID	0x10df
49 #define BE_DEVICE_ID1		0x211
50 #define BE_DEVICE_ID2		0x221
51 #define OC_DEVICE_ID1		0x700	/* Device Id for BE2 cards */
52 #define OC_DEVICE_ID2		0x710	/* Device Id for BE3 cards */
53 #define OC_DEVICE_ID3		0xe220	/* Device id for Lancer cards */
54 #define OC_DEVICE_ID4           0xe228   /* Device id for VF in Lancer */
55 #define OC_DEVICE_ID5		0x720	/* Device Id for Skyhawk cards */
56 #define OC_DEVICE_ID6		0x728   /* Device id for VF in SkyHawk */
57 #define OC_SUBSYS_DEVICE_ID1	0xE602
58 #define OC_SUBSYS_DEVICE_ID2	0xE642
59 #define OC_SUBSYS_DEVICE_ID3	0xE612
60 #define OC_SUBSYS_DEVICE_ID4	0xE652
61 
62 static inline char *nic_name(struct pci_dev *pdev)
63 {
64 	switch (pdev->device) {
65 	case OC_DEVICE_ID1:
66 		return OC_NAME;
67 	case OC_DEVICE_ID2:
68 		return OC_NAME_BE;
69 	case OC_DEVICE_ID3:
70 	case OC_DEVICE_ID4:
71 		return OC_NAME_LANCER;
72 	case BE_DEVICE_ID2:
73 		return BE3_NAME;
74 	case OC_DEVICE_ID5:
75 	case OC_DEVICE_ID6:
76 		return OC_NAME_SH;
77 	default:
78 		return BE_NAME;
79 	}
80 }
81 
82 /* Number of bytes of an RX frame that are copied to skb->data */
83 #define BE_HDR_LEN		((u16) 64)
84 /* allocate extra space to allow tunneling decapsulation without head reallocation */
85 #define BE_RX_SKB_ALLOC_SIZE (BE_HDR_LEN + 64)
86 
87 #define BE_MAX_JUMBO_FRAME_SIZE	9018
88 #define BE_MIN_MTU		256
89 
90 #define BE_NUM_VLANS_SUPPORTED	64
91 #define BE_MAX_EQD		96u
92 #define	BE_MAX_TX_FRAG_COUNT	30
93 
94 #define EVNT_Q_LEN		1024
95 #define TX_Q_LEN		2048
96 #define TX_CQ_LEN		1024
97 #define RX_Q_LEN		1024	/* Does not support any other value */
98 #define RX_CQ_LEN		1024
99 #define MCC_Q_LEN		128	/* total size not to exceed 8 pages */
100 #define MCC_CQ_LEN		256
101 
102 #define BE3_MAX_RSS_QS		8
103 #define BE2_MAX_RSS_QS		4
104 #define MAX_RSS_QS		BE3_MAX_RSS_QS
105 #define MAX_RX_QS		(MAX_RSS_QS + 1) /* RSS qs + 1 def Rx */
106 
107 #define MAX_TX_QS		8
108 #define MAX_ROCE_EQS		5
109 #define MAX_MSIX_VECTORS	(MAX_RSS_QS + MAX_ROCE_EQS) /* RSS qs + RoCE */
110 #define BE_TX_BUDGET		256
111 #define BE_NAPI_WEIGHT		64
112 #define MAX_RX_POST		BE_NAPI_WEIGHT /* Frags posted at a time */
113 #define RX_FRAGS_REFILL_WM	(RX_Q_LEN - MAX_RX_POST)
114 
115 #define MAX_VFS			30 /* Max VFs supported by BE3 FW */
116 #define FW_VER_LEN		32
117 
118 struct be_dma_mem {
119 	void *va;
120 	dma_addr_t dma;
121 	u32 size;
122 };
123 
124 struct be_queue_info {
125 	struct be_dma_mem dma_mem;
126 	u16 len;
127 	u16 entry_size;	/* Size of an element in the queue */
128 	u16 id;
129 	u16 tail, head;
130 	bool created;
131 	atomic_t used;	/* Number of valid elements in the queue */
132 };
133 
134 static inline u32 MODULO(u16 val, u16 limit)
135 {
136 	BUG_ON(limit & (limit - 1));
137 	return val & (limit - 1);
138 }
139 
140 static inline void index_adv(u16 *index, u16 val, u16 limit)
141 {
142 	*index = MODULO((*index + val), limit);
143 }
144 
145 static inline void index_inc(u16 *index, u16 limit)
146 {
147 	*index = MODULO((*index + 1), limit);
148 }
149 
150 static inline void *queue_head_node(struct be_queue_info *q)
151 {
152 	return q->dma_mem.va + q->head * q->entry_size;
153 }
154 
155 static inline void *queue_tail_node(struct be_queue_info *q)
156 {
157 	return q->dma_mem.va + q->tail * q->entry_size;
158 }
159 
160 static inline void *queue_index_node(struct be_queue_info *q, u16 index)
161 {
162 	return q->dma_mem.va + index * q->entry_size;
163 }
164 
165 static inline void queue_head_inc(struct be_queue_info *q)
166 {
167 	index_inc(&q->head, q->len);
168 }
169 
170 static inline void index_dec(u16 *index, u16 limit)
171 {
172 	*index = MODULO((*index - 1), limit);
173 }
174 
175 static inline void queue_tail_inc(struct be_queue_info *q)
176 {
177 	index_inc(&q->tail, q->len);
178 }
179 
180 struct be_eq_obj {
181 	struct be_queue_info q;
182 	char desc[32];
183 
184 	/* Adaptive interrupt coalescing (AIC) info */
185 	bool enable_aic;
186 	u32 min_eqd;		/* in usecs */
187 	u32 max_eqd;		/* in usecs */
188 	u32 eqd;		/* configured val when aic is off */
189 	u32 cur_eqd;		/* in usecs */
190 
191 	u8 idx;			/* array index */
192 	u16 tx_budget;
193 	u16 spurious_intr;
194 	struct napi_struct napi;
195 	struct be_adapter *adapter;
196 } ____cacheline_aligned_in_smp;
197 
198 struct be_mcc_obj {
199 	struct be_queue_info q;
200 	struct be_queue_info cq;
201 	bool rearm_cq;
202 };
203 
204 struct be_tx_stats {
205 	u64 tx_bytes;
206 	u64 tx_pkts;
207 	u64 tx_reqs;
208 	u64 tx_wrbs;
209 	u64 tx_compl;
210 	ulong tx_jiffies;
211 	u32 tx_stops;
212 	struct u64_stats_sync sync;
213 	struct u64_stats_sync sync_compl;
214 };
215 
216 struct be_tx_obj {
217 	u32 db_offset;
218 	struct be_queue_info q;
219 	struct be_queue_info cq;
220 	/* Remember the skbs that were transmitted */
221 	struct sk_buff *sent_skb_list[TX_Q_LEN];
222 	struct be_tx_stats stats;
223 } ____cacheline_aligned_in_smp;
224 
225 /* Struct to remember the pages posted for rx frags */
226 struct be_rx_page_info {
227 	struct page *page;
228 	DEFINE_DMA_UNMAP_ADDR(bus);
229 	u16 page_offset;
230 	bool last_page_user;
231 };
232 
233 struct be_rx_stats {
234 	u64 rx_bytes;
235 	u64 rx_pkts;
236 	u64 rx_pkts_prev;
237 	ulong rx_jiffies;
238 	u32 rx_drops_no_skbs;	/* skb allocation errors */
239 	u32 rx_drops_no_frags;	/* HW has no fetched frags */
240 	u32 rx_post_fail;	/* page post alloc failures */
241 	u32 rx_compl;
242 	u32 rx_mcast_pkts;
243 	u32 rx_compl_err;	/* completions with err set */
244 	u32 rx_pps;		/* pkts per second */
245 	struct u64_stats_sync sync;
246 };
247 
248 struct be_rx_compl_info {
249 	u32 rss_hash;
250 	u16 vlan_tag;
251 	u16 pkt_size;
252 	u16 rxq_idx;
253 	u16 port;
254 	u8 vlanf;
255 	u8 num_rcvd;
256 	u8 err;
257 	u8 ipf;
258 	u8 tcpf;
259 	u8 udpf;
260 	u8 ip_csum;
261 	u8 l4_csum;
262 	u8 ipv6;
263 	u8 vtm;
264 	u8 pkt_type;
265 	u8 ip_frag;
266 };
267 
268 struct be_rx_obj {
269 	struct be_adapter *adapter;
270 	struct be_queue_info q;
271 	struct be_queue_info cq;
272 	struct be_rx_compl_info rxcp;
273 	struct be_rx_page_info page_info_tbl[RX_Q_LEN];
274 	struct be_rx_stats stats;
275 	u8 rss_id;
276 	bool rx_post_starved;	/* Zero rx frags have been posted to BE */
277 } ____cacheline_aligned_in_smp;
278 
279 struct be_drv_stats {
280 	u32 be_on_die_temperature;
281 	u32 eth_red_drops;
282 	u32 rx_drops_no_pbuf;
283 	u32 rx_drops_no_txpb;
284 	u32 rx_drops_no_erx_descr;
285 	u32 rx_drops_no_tpre_descr;
286 	u32 rx_drops_too_many_frags;
287 	u32 forwarded_packets;
288 	u32 rx_drops_mtu;
289 	u32 rx_crc_errors;
290 	u32 rx_alignment_symbol_errors;
291 	u32 rx_pause_frames;
292 	u32 rx_priority_pause_frames;
293 	u32 rx_control_frames;
294 	u32 rx_in_range_errors;
295 	u32 rx_out_range_errors;
296 	u32 rx_frame_too_long;
297 	u32 rx_address_filtered;
298 	u32 rx_dropped_too_small;
299 	u32 rx_dropped_too_short;
300 	u32 rx_dropped_header_too_small;
301 	u32 rx_dropped_tcp_length;
302 	u32 rx_dropped_runt;
303 	u32 rx_ip_checksum_errs;
304 	u32 rx_tcp_checksum_errs;
305 	u32 rx_udp_checksum_errs;
306 	u32 tx_pauseframes;
307 	u32 tx_priority_pauseframes;
308 	u32 tx_controlframes;
309 	u32 rxpp_fifo_overflow_drop;
310 	u32 rx_input_fifo_overflow_drop;
311 	u32 pmem_fifo_overflow_drop;
312 	u32 jabber_events;
313 };
314 
315 struct be_vf_cfg {
316 	unsigned char mac_addr[ETH_ALEN];
317 	int if_handle;
318 	int pmac_id;
319 	u16 def_vid;
320 	u16 vlan_tag;
321 	u32 tx_rate;
322 };
323 
324 enum vf_state {
325 	ENABLED = 0,
326 	ASSIGNED = 1
327 };
328 
329 #define BE_FLAGS_LINK_STATUS_INIT		1
330 #define BE_FLAGS_WORKER_SCHEDULED		(1 << 3)
331 #define BE_FLAGS_NAPI_ENABLED			(1 << 9)
332 #define BE_UC_PMAC_COUNT		30
333 #define BE_VF_UC_PMAC_COUNT		2
334 #define BE_FLAGS_QNQ_ASYNC_EVT_RCVD		(1 << 11)
335 
336 struct phy_info {
337 	u8 transceiver;
338 	u8 autoneg;
339 	u8 fc_autoneg;
340 	u8 port_type;
341 	u16 phy_type;
342 	u16 interface_type;
343 	u32 misc_params;
344 	u16 auto_speeds_supported;
345 	u16 fixed_speeds_supported;
346 	int link_speed;
347 	u32 dac_cable_len;
348 	u32 advertising;
349 	u32 supported;
350 };
351 
352 struct be_adapter {
353 	struct pci_dev *pdev;
354 	struct net_device *netdev;
355 
356 	u8 __iomem *csr;	/* CSR BAR used only for BE2/3 */
357 	u8 __iomem *db;		/* Door Bell */
358 
359 	struct mutex mbox_lock; /* For serializing mbox cmds to BE card */
360 	struct be_dma_mem mbox_mem;
361 	/* Mbox mem is adjusted to align to 16 bytes. The allocated addr
362 	 * is stored for freeing purpose */
363 	struct be_dma_mem mbox_mem_alloced;
364 
365 	struct be_mcc_obj mcc_obj;
366 	spinlock_t mcc_lock;	/* For serializing mcc cmds to BE card */
367 	spinlock_t mcc_cq_lock;
368 
369 	u32 num_msix_vec;
370 	u32 num_evt_qs;
371 	struct be_eq_obj eq_obj[MAX_MSIX_VECTORS];
372 	struct msix_entry msix_entries[MAX_MSIX_VECTORS];
373 	bool isr_registered;
374 
375 	/* TX Rings */
376 	u32 num_tx_qs;
377 	struct be_tx_obj tx_obj[MAX_TX_QS];
378 
379 	/* Rx rings */
380 	u32 num_rx_qs;
381 	struct be_rx_obj rx_obj[MAX_RX_QS];
382 	u32 big_page_size;	/* Compounded page size shared by rx wrbs */
383 
384 	struct be_drv_stats drv_stats;
385 	u16 vlans_added;
386 	u8 vlan_tag[VLAN_N_VID];
387 	u8 vlan_prio_bmap;	/* Available Priority BitMap */
388 	u16 recommended_prio;	/* Recommended Priority */
389 	struct be_dma_mem rx_filter; /* Cmd DMA mem for rx-filter */
390 
391 	struct be_dma_mem stats_cmd;
392 	/* Work queue used to perform periodic tasks like getting statistics */
393 	struct delayed_work work;
394 	u16 work_counter;
395 
396 	struct delayed_work func_recovery_work;
397 	u32 flags;
398 	u32 cmd_privileges;
399 	/* Ethtool knobs and info */
400 	char fw_ver[FW_VER_LEN];
401 	int if_handle;		/* Used to configure filtering */
402 	u32 *pmac_id;		/* MAC addr handle used by BE card */
403 	u32 beacon_state;	/* for set_phys_id */
404 
405 	bool eeh_error;
406 	bool fw_timeout;
407 	bool hw_error;
408 
409 	u32 port_num;
410 	bool promiscuous;
411 	u32 function_mode;
412 	u32 function_caps;
413 	u32 rx_fc;		/* Rx flow control */
414 	u32 tx_fc;		/* Tx flow control */
415 	bool stats_cmd_sent;
416 	u32 if_type;
417 	struct {
418 		u32 size;
419 		u32 total_size;
420 		u64 io_addr;
421 	} roce_db;
422 	u32 num_msix_roce_vec;
423 	struct ocrdma_dev *ocrdma_dev;
424 	struct list_head entry;
425 
426 	u32 flash_status;
427 	struct completion flash_compl;
428 
429 	u32 num_vfs;		/* Number of VFs provisioned by PF driver */
430 	u32 dev_num_vfs;	/* Number of VFs supported by HW */
431 	u8 virtfn;
432 	struct be_vf_cfg *vf_cfg;
433 	bool be3_native;
434 	u32 sli_family;
435 	u8 hba_port_num;
436 	u16 pvid;
437 	struct phy_info phy;
438 	u8 wol_cap;
439 	bool wol;
440 	u32 uc_macs;		/* Count of secondary UC MAC programmed */
441 	u16 asic_rev;
442 	u16 qnq_vid;
443 	u32 msg_enable;
444 	int be_get_temp_freq;
445 	u16 max_mcast_mac;
446 	u16 max_tx_queues;
447 	u16 max_rss_queues;
448 	u16 max_rx_queues;
449 	u16 max_pmac_cnt;
450 	u16 max_vlans;
451 	u16 max_event_queues;
452 	u32 if_cap_flags;
453 	u8 pf_number;
454 	u64 rss_flags;
455 };
456 
457 #define be_physfn(adapter)		(!adapter->virtfn)
458 #define	sriov_enabled(adapter)		(adapter->num_vfs > 0)
459 #define	sriov_want(adapter)		(adapter->dev_num_vfs && num_vfs && \
460 					 be_physfn(adapter))
461 #define for_all_vfs(adapter, vf_cfg, i)					\
462 	for (i = 0, vf_cfg = &adapter->vf_cfg[i]; i < adapter->num_vfs;	\
463 		i++, vf_cfg++)
464 
465 #define ON				1
466 #define OFF				0
467 
468 #define lancer_chip(adapter)	(adapter->pdev->device == OC_DEVICE_ID3 || \
469 				 adapter->pdev->device == OC_DEVICE_ID4)
470 
471 #define skyhawk_chip(adapter)	(adapter->pdev->device == OC_DEVICE_ID5 || \
472 				 adapter->pdev->device == OC_DEVICE_ID6)
473 
474 #define BE3_chip(adapter)	(adapter->pdev->device == BE_DEVICE_ID2 || \
475 				 adapter->pdev->device == OC_DEVICE_ID2)
476 
477 #define BE2_chip(adapter)	(adapter->pdev->device == BE_DEVICE_ID1 || \
478 				 adapter->pdev->device == OC_DEVICE_ID1)
479 
480 #define BEx_chip(adapter)	(BE3_chip(adapter) || BE2_chip(adapter))
481 
482 #define be_roce_supported(adapter)	(skyhawk_chip(adapter) && \
483 					(adapter->function_mode & RDMA_ENABLED))
484 
485 extern const struct ethtool_ops be_ethtool_ops;
486 
487 #define msix_enabled(adapter)		(adapter->num_msix_vec > 0)
488 #define num_irqs(adapter)		(msix_enabled(adapter) ?	\
489 						adapter->num_msix_vec : 1)
490 #define tx_stats(txo)			(&(txo)->stats)
491 #define rx_stats(rxo)			(&(rxo)->stats)
492 
493 /* The default RXQ is the last RXQ */
494 #define default_rxo(adpt)		(&adpt->rx_obj[adpt->num_rx_qs - 1])
495 
496 #define for_all_rx_queues(adapter, rxo, i)				\
497 	for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs;	\
498 		i++, rxo++)
499 
500 /* Skip the default non-rss queue (last one)*/
501 #define for_all_rss_queues(adapter, rxo, i)				\
502 	for (i = 0, rxo = &adapter->rx_obj[i]; i < (adapter->num_rx_qs - 1);\
503 		i++, rxo++)
504 
505 #define for_all_tx_queues(adapter, txo, i)				\
506 	for (i = 0, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs;	\
507 		i++, txo++)
508 
509 #define for_all_evt_queues(adapter, eqo, i)				\
510 	for (i = 0, eqo = &adapter->eq_obj[i]; i < adapter->num_evt_qs; \
511 		i++, eqo++)
512 
513 #define is_mcc_eqo(eqo)			(eqo->idx == 0)
514 #define mcc_eqo(adapter)		(&adapter->eq_obj[0])
515 
516 #define PAGE_SHIFT_4K		12
517 #define PAGE_SIZE_4K		(1 << PAGE_SHIFT_4K)
518 
519 /* Returns number of pages spanned by the data starting at the given addr */
520 #define PAGES_4K_SPANNED(_address, size) 				\
521 		((u32)((((size_t)(_address) & (PAGE_SIZE_4K - 1)) + 	\
522 			(size) + (PAGE_SIZE_4K - 1)) >> PAGE_SHIFT_4K))
523 
524 /* Returns bit offset within a DWORD of a bitfield */
525 #define AMAP_BIT_OFFSET(_struct, field)  				\
526 		(((size_t)&(((_struct *)0)->field))%32)
527 
528 /* Returns the bit mask of the field that is NOT shifted into location. */
529 static inline u32 amap_mask(u32 bitsize)
530 {
531 	return (bitsize == 32 ? 0xFFFFFFFF : (1 << bitsize) - 1);
532 }
533 
534 static inline void
535 amap_set(void *ptr, u32 dw_offset, u32 mask, u32 offset, u32 value)
536 {
537 	u32 *dw = (u32 *) ptr + dw_offset;
538 	*dw &= ~(mask << offset);
539 	*dw |= (mask & value) << offset;
540 }
541 
542 #define AMAP_SET_BITS(_struct, field, ptr, val)				\
543 		amap_set(ptr,						\
544 			offsetof(_struct, field)/32,			\
545 			amap_mask(sizeof(((_struct *)0)->field)),	\
546 			AMAP_BIT_OFFSET(_struct, field),		\
547 			val)
548 
549 static inline u32 amap_get(void *ptr, u32 dw_offset, u32 mask, u32 offset)
550 {
551 	u32 *dw = (u32 *) ptr;
552 	return mask & (*(dw + dw_offset) >> offset);
553 }
554 
555 #define AMAP_GET_BITS(_struct, field, ptr)				\
556 		amap_get(ptr,						\
557 			offsetof(_struct, field)/32,			\
558 			amap_mask(sizeof(((_struct *)0)->field)),	\
559 			AMAP_BIT_OFFSET(_struct, field))
560 
561 #define be_dws_cpu_to_le(wrb, len)	swap_dws(wrb, len)
562 #define be_dws_le_to_cpu(wrb, len)	swap_dws(wrb, len)
563 static inline void swap_dws(void *wrb, int len)
564 {
565 #ifdef __BIG_ENDIAN
566 	u32 *dw = wrb;
567 	BUG_ON(len % 4);
568 	do {
569 		*dw = cpu_to_le32(*dw);
570 		dw++;
571 		len -= 4;
572 	} while (len);
573 #endif				/* __BIG_ENDIAN */
574 }
575 
576 static inline u8 is_tcp_pkt(struct sk_buff *skb)
577 {
578 	u8 val = 0;
579 
580 	if (ip_hdr(skb)->version == 4)
581 		val = (ip_hdr(skb)->protocol == IPPROTO_TCP);
582 	else if (ip_hdr(skb)->version == 6)
583 		val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_TCP);
584 
585 	return val;
586 }
587 
588 static inline u8 is_udp_pkt(struct sk_buff *skb)
589 {
590 	u8 val = 0;
591 
592 	if (ip_hdr(skb)->version == 4)
593 		val = (ip_hdr(skb)->protocol == IPPROTO_UDP);
594 	else if (ip_hdr(skb)->version == 6)
595 		val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_UDP);
596 
597 	return val;
598 }
599 
600 static inline bool is_ipv4_pkt(struct sk_buff *skb)
601 {
602 	return skb->protocol == htons(ETH_P_IP) && ip_hdr(skb)->version == 4;
603 }
604 
605 static inline void be_vf_eth_addr_generate(struct be_adapter *adapter, u8 *mac)
606 {
607 	u32 addr;
608 
609 	addr = jhash(adapter->netdev->dev_addr, ETH_ALEN, 0);
610 
611 	mac[5] = (u8)(addr & 0xFF);
612 	mac[4] = (u8)((addr >> 8) & 0xFF);
613 	mac[3] = (u8)((addr >> 16) & 0xFF);
614 	/* Use the OUI from the current MAC address */
615 	memcpy(mac, adapter->netdev->dev_addr, 3);
616 }
617 
618 static inline bool be_multi_rxq(const struct be_adapter *adapter)
619 {
620 	return adapter->num_rx_qs > 1;
621 }
622 
623 static inline bool be_error(struct be_adapter *adapter)
624 {
625 	return adapter->eeh_error || adapter->hw_error || adapter->fw_timeout;
626 }
627 
628 static inline bool be_hw_error(struct be_adapter *adapter)
629 {
630 	return adapter->eeh_error || adapter->hw_error;
631 }
632 
633 static inline void  be_clear_all_error(struct be_adapter *adapter)
634 {
635 	adapter->eeh_error = false;
636 	adapter->hw_error = false;
637 	adapter->fw_timeout = false;
638 }
639 
640 static inline bool be_is_wol_excluded(struct be_adapter *adapter)
641 {
642 	struct pci_dev *pdev = adapter->pdev;
643 
644 	if (!be_physfn(adapter))
645 		return true;
646 
647 	switch (pdev->subsystem_device) {
648 	case OC_SUBSYS_DEVICE_ID1:
649 	case OC_SUBSYS_DEVICE_ID2:
650 	case OC_SUBSYS_DEVICE_ID3:
651 	case OC_SUBSYS_DEVICE_ID4:
652 		return true;
653 	default:
654 		return false;
655 	}
656 }
657 
658 static inline int qnq_async_evt_rcvd(struct be_adapter *adapter)
659 {
660 	return adapter->flags & BE_FLAGS_QNQ_ASYNC_EVT_RCVD;
661 }
662 
663 extern void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm,
664 		u16 num_popped);
665 extern void be_link_status_update(struct be_adapter *adapter, u8 link_status);
666 extern void be_parse_stats(struct be_adapter *adapter);
667 extern int be_load_fw(struct be_adapter *adapter, u8 *func);
668 extern bool be_is_wol_supported(struct be_adapter *adapter);
669 extern bool be_pause_supported(struct be_adapter *adapter);
670 extern u32 be_get_fw_log_level(struct be_adapter *adapter);
671 
672 /*
673  * internal function to initialize-cleanup roce device.
674  */
675 extern void be_roce_dev_add(struct be_adapter *);
676 extern void be_roce_dev_remove(struct be_adapter *);
677 
678 /*
679  * internal function to open-close roce device during ifup-ifdown.
680  */
681 extern void be_roce_dev_open(struct be_adapter *);
682 extern void be_roce_dev_close(struct be_adapter *);
683 
684 #endif				/* BE_H */
685