2 * Copyright (C) 2005 - 2013 Emulex
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.
10 * Contact Information:
11 * linux-drivers@emulex.com
15 * Costa Mesa, CA 92626
21 #include <linux/pci.h>
22 #include <linux/etherdevice.h>
23 #include <linux/delay.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>
37 #define DRV_VER "4.9.224.0u"
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"
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
62 static inline char *nic_name(struct pci_dev *pdev)
64 switch (pdev->device) {
71 return OC_NAME_LANCER;
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)
87 #define BE_MAX_JUMBO_FRAME_SIZE 9018
88 #define BE_MIN_MTU 256
90 #define BE_NUM_VLANS_SUPPORTED 64
91 #define BE_UMC_NUM_VLANS_SUPPORTED 15
92 #define BE_MAX_EQD 128u
93 #define BE_MAX_TX_FRAG_COUNT 30
95 #define EVNT_Q_LEN 1024
97 #define TX_CQ_LEN 1024
98 #define RX_Q_LEN 1024 /* Does not support any other value */
99 #define RX_CQ_LEN 1024
100 #define MCC_Q_LEN 128 /* total size not to exceed 8 pages */
101 #define MCC_CQ_LEN 256
103 #define BE2_MAX_RSS_QS 4
104 #define BE3_MAX_RSS_QS 16
105 #define BE3_MAX_TX_QS 16
106 #define BE3_MAX_EVT_QS 16
109 #define MAX_EVT_QS 32
112 #define MAX_ROCE_EQS 5
113 #define MAX_MSIX_VECTORS 32
114 #define MIN_MSIX_VECTORS 1
115 #define BE_TX_BUDGET 256
116 #define BE_NAPI_WEIGHT 64
117 #define MAX_RX_POST BE_NAPI_WEIGHT /* Frags posted at a time */
118 #define RX_FRAGS_REFILL_WM (RX_Q_LEN - MAX_RX_POST)
120 #define MAX_VFS 30 /* Max VFs supported by BE3 FW */
121 #define FW_VER_LEN 32
129 struct be_queue_info {
130 struct be_dma_mem dma_mem;
132 u16 entry_size; /* Size of an element in the queue */
136 atomic_t used; /* Number of valid elements in the queue */
139 static inline u32 MODULO(u16 val, u16 limit)
141 BUG_ON(limit & (limit - 1));
142 return val & (limit - 1);
145 static inline void index_adv(u16 *index, u16 val, u16 limit)
147 *index = MODULO((*index + val), limit);
150 static inline void index_inc(u16 *index, u16 limit)
152 *index = MODULO((*index + 1), limit);
155 static inline void *queue_head_node(struct be_queue_info *q)
157 return q->dma_mem.va + q->head * q->entry_size;
160 static inline void *queue_tail_node(struct be_queue_info *q)
162 return q->dma_mem.va + q->tail * q->entry_size;
165 static inline void *queue_index_node(struct be_queue_info *q, u16 index)
167 return q->dma_mem.va + index * q->entry_size;
170 static inline void queue_head_inc(struct be_queue_info *q)
172 index_inc(&q->head, q->len);
175 static inline void index_dec(u16 *index, u16 limit)
177 *index = MODULO((*index - 1), limit);
180 static inline void queue_tail_inc(struct be_queue_info *q)
182 index_inc(&q->tail, q->len);
186 struct be_queue_info q;
189 /* Adaptive interrupt coalescing (AIC) info */
191 u32 min_eqd; /* in usecs */
192 u32 max_eqd; /* in usecs */
193 u32 eqd; /* configured val when aic is off */
194 u32 cur_eqd; /* in usecs */
196 u8 idx; /* array index */
200 struct napi_struct napi;
201 struct be_adapter *adapter;
203 #ifdef CONFIG_NET_RX_BUSY_POLL
205 #define BE_EQ_NAPI 1 /* napi owns this EQ */
206 #define BE_EQ_POLL 2 /* poll owns this EQ */
207 #define BE_EQ_LOCKED (BE_EQ_NAPI | BE_EQ_POLL)
208 #define BE_EQ_NAPI_YIELD 4 /* napi yielded this EQ */
209 #define BE_EQ_POLL_YIELD 8 /* poll yielded this EQ */
210 #define BE_EQ_YIELD (BE_EQ_NAPI_YIELD | BE_EQ_POLL_YIELD)
211 #define BE_EQ_USER_PEND (BE_EQ_POLL | BE_EQ_POLL_YIELD)
213 spinlock_t lock; /* lock to serialize napi and busy-poll */
214 #endif /* CONFIG_NET_RX_BUSY_POLL */
215 } ____cacheline_aligned_in_smp;
217 struct be_aic_obj { /* Adaptive interrupt coalescing (AIC) info */
219 u32 min_eqd; /* in usecs */
220 u32 max_eqd; /* in usecs */
221 u32 prev_eqd; /* in usecs */
222 u32 et_eqd; /* configured val when aic is off */
224 u64 rx_pkts_prev; /* Used to calculate RX pps */
225 u64 tx_reqs_prev; /* Used to calculate TX pps */
234 struct be_queue_info q;
235 struct be_queue_info cq;
247 u32 tx_drv_drops; /* pkts dropped by driver */
248 struct u64_stats_sync sync;
249 struct u64_stats_sync sync_compl;
254 struct be_queue_info q;
255 struct be_queue_info cq;
256 /* Remember the skbs that were transmitted */
257 struct sk_buff *sent_skb_list[TX_Q_LEN];
258 struct be_tx_stats stats;
259 } ____cacheline_aligned_in_smp;
261 /* Struct to remember the pages posted for rx frags */
262 struct be_rx_page_info {
264 DEFINE_DMA_UNMAP_ADDR(bus);
272 u32 rx_drops_no_skbs; /* skb allocation errors */
273 u32 rx_drops_no_frags; /* HW has no fetched frags */
274 u32 rx_post_fail; /* page post alloc failures */
277 u32 rx_compl_err; /* completions with err set */
278 struct u64_stats_sync sync;
281 struct be_rx_compl_info {
302 struct be_adapter *adapter;
303 struct be_queue_info q;
304 struct be_queue_info cq;
305 struct be_rx_compl_info rxcp;
306 struct be_rx_page_info page_info_tbl[RX_Q_LEN];
307 struct be_rx_stats stats;
309 bool rx_post_starved; /* Zero rx frags have been posted to BE */
310 } ____cacheline_aligned_in_smp;
312 struct be_drv_stats {
313 u32 be_on_die_temperature;
315 u32 rx_drops_no_pbuf;
316 u32 rx_drops_no_txpb;
317 u32 rx_drops_no_erx_descr;
318 u32 rx_drops_no_tpre_descr;
319 u32 rx_drops_too_many_frags;
320 u32 forwarded_packets;
323 u32 rx_alignment_symbol_errors;
325 u32 rx_priority_pause_frames;
326 u32 rx_control_frames;
327 u32 rx_in_range_errors;
328 u32 rx_out_range_errors;
329 u32 rx_frame_too_long;
330 u32 rx_address_filtered;
331 u32 rx_dropped_too_small;
332 u32 rx_dropped_too_short;
333 u32 rx_dropped_header_too_small;
334 u32 rx_dropped_tcp_length;
336 u32 rx_ip_checksum_errs;
337 u32 rx_tcp_checksum_errs;
338 u32 rx_udp_checksum_errs;
340 u32 tx_priority_pauseframes;
341 u32 tx_controlframes;
342 u32 rxpp_fifo_overflow_drop;
343 u32 rx_input_fifo_overflow_drop;
344 u32 pmem_fifo_overflow_drop;
346 u32 rx_roce_bytes_lsd;
347 u32 rx_roce_bytes_msd;
349 u32 roce_drops_payload_len;
354 unsigned char mac_addr[ETH_ALEN];
367 #define BE_FLAGS_LINK_STATUS_INIT 1
368 #define BE_FLAGS_WORKER_SCHEDULED (1 << 3)
369 #define BE_FLAGS_VLAN_PROMISC (1 << 4)
370 #define BE_FLAGS_NAPI_ENABLED (1 << 9)
371 #define BE_UC_PMAC_COUNT 30
372 #define BE_VF_UC_PMAC_COUNT 2
373 #define BE_FLAGS_QNQ_ASYNC_EVT_RCVD (1 << 11)
375 /* Ethtool set_dump flags */
376 #define LANCER_INITIATE_FW_DUMP 0x1
386 u16 auto_speeds_supported;
387 u16 fixed_speeds_supported;
394 struct be_resources {
395 u16 max_vfs; /* Total VFs "really" supported by FW/HW */
400 u16 max_uc_mac; /* Max UC MACs programmable */
401 u16 max_vlans; /* Number of vlans supported */
407 struct pci_dev *pdev;
408 struct net_device *netdev;
410 u8 __iomem *csr; /* CSR BAR used only for BE2/3 */
411 u8 __iomem *db; /* Door Bell */
413 struct mutex mbox_lock; /* For serializing mbox cmds to BE card */
414 struct be_dma_mem mbox_mem;
415 /* Mbox mem is adjusted to align to 16 bytes. The allocated addr
416 * is stored for freeing purpose */
417 struct be_dma_mem mbox_mem_alloced;
419 struct be_mcc_obj mcc_obj;
420 spinlock_t mcc_lock; /* For serializing mcc cmds to BE card */
421 spinlock_t mcc_cq_lock;
423 u16 cfg_num_qs; /* configured via set-channels */
426 struct be_eq_obj eq_obj[MAX_EVT_QS];
427 struct msix_entry msix_entries[MAX_MSIX_VECTORS];
432 struct be_tx_obj tx_obj[MAX_TX_QS];
436 struct be_rx_obj rx_obj[MAX_RX_QS];
437 u32 big_page_size; /* Compounded page size shared by rx wrbs */
439 struct be_drv_stats drv_stats;
440 struct be_aic_obj aic_obj[MAX_EVT_QS];
442 u8 vlan_tag[VLAN_N_VID];
443 u8 vlan_prio_bmap; /* Available Priority BitMap */
444 u16 recommended_prio; /* Recommended Priority */
445 struct be_dma_mem rx_filter; /* Cmd DMA mem for rx-filter */
447 struct be_dma_mem stats_cmd;
448 /* Work queue used to perform periodic tasks like getting statistics */
449 struct delayed_work work;
452 struct delayed_work func_recovery_work;
455 /* Ethtool knobs and info */
456 char fw_ver[FW_VER_LEN];
457 char fw_on_flash[FW_VER_LEN];
458 int if_handle; /* Used to configure filtering */
459 u32 *pmac_id; /* MAC addr handle used by BE card */
460 u32 beacon_state; /* for set_phys_id */
470 u32 rx_fc; /* Rx flow control */
471 u32 tx_fc; /* Tx flow control */
478 u32 num_msix_roce_vec;
479 struct ocrdma_dev *ocrdma_dev;
480 struct list_head entry;
483 struct completion flash_compl;
485 struct be_resources res; /* resources available for the func */
486 u16 num_vfs; /* Number of VFs provisioned by PF */
488 struct be_vf_cfg *vf_cfg;
496 u32 uc_macs; /* Count of secondary UC MAC programmed */
500 int be_get_temp_freq;
505 #define be_physfn(adapter) (!adapter->virtfn)
506 #define sriov_enabled(adapter) (adapter->num_vfs > 0)
507 #define sriov_want(adapter) (be_physfn(adapter) && \
508 (num_vfs || pci_num_vf(adapter->pdev)))
509 #define for_all_vfs(adapter, vf_cfg, i) \
510 for (i = 0, vf_cfg = &adapter->vf_cfg[i]; i < adapter->num_vfs; \
516 #define be_max_vlans(adapter) (adapter->res.max_vlans)
517 #define be_max_uc(adapter) (adapter->res.max_uc_mac)
518 #define be_max_mc(adapter) (adapter->res.max_mcast_mac)
519 #define be_max_vfs(adapter) (adapter->res.max_vfs)
520 #define be_max_rss(adapter) (adapter->res.max_rss_qs)
521 #define be_max_txqs(adapter) (adapter->res.max_tx_qs)
522 #define be_max_prio_txqs(adapter) (adapter->res.max_prio_tx_qs)
523 #define be_max_rxqs(adapter) (adapter->res.max_rx_qs)
524 #define be_max_eqs(adapter) (adapter->res.max_evt_qs)
525 #define be_if_cap_flags(adapter) (adapter->res.if_cap_flags)
527 static inline u16 be_max_qs(struct be_adapter *adapter)
529 /* If no RSS, need atleast the one def RXQ */
530 u16 num = max_t(u16, be_max_rss(adapter), 1);
532 num = min(num, be_max_eqs(adapter));
533 return min_t(u16, num, num_online_cpus());
536 #define lancer_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID3 || \
537 adapter->pdev->device == OC_DEVICE_ID4)
539 #define skyhawk_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID5 || \
540 adapter->pdev->device == OC_DEVICE_ID6)
542 #define BE3_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID2 || \
543 adapter->pdev->device == OC_DEVICE_ID2)
545 #define BE2_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID1 || \
546 adapter->pdev->device == OC_DEVICE_ID1)
548 #define BEx_chip(adapter) (BE3_chip(adapter) || BE2_chip(adapter))
550 #define be_roce_supported(adapter) (skyhawk_chip(adapter) && \
551 (adapter->function_mode & RDMA_ENABLED))
553 extern const struct ethtool_ops be_ethtool_ops;
555 #define msix_enabled(adapter) (adapter->num_msix_vec > 0)
556 #define num_irqs(adapter) (msix_enabled(adapter) ? \
557 adapter->num_msix_vec : 1)
558 #define tx_stats(txo) (&(txo)->stats)
559 #define rx_stats(rxo) (&(rxo)->stats)
561 /* The default RXQ is the last RXQ */
562 #define default_rxo(adpt) (&adpt->rx_obj[adpt->num_rx_qs - 1])
564 #define for_all_rx_queues(adapter, rxo, i) \
565 for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs; \
568 /* Skip the default non-rss queue (last one)*/
569 #define for_all_rss_queues(adapter, rxo, i) \
570 for (i = 0, rxo = &adapter->rx_obj[i]; i < (adapter->num_rx_qs - 1);\
573 #define for_all_tx_queues(adapter, txo, i) \
574 for (i = 0, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs; \
577 #define for_all_evt_queues(adapter, eqo, i) \
578 for (i = 0, eqo = &adapter->eq_obj[i]; i < adapter->num_evt_qs; \
581 #define for_all_rx_queues_on_eq(adapter, eqo, rxo, i) \
582 for (i = eqo->idx, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs;\
583 i += adapter->num_evt_qs, rxo += adapter->num_evt_qs)
585 #define is_mcc_eqo(eqo) (eqo->idx == 0)
586 #define mcc_eqo(adapter) (&adapter->eq_obj[0])
588 #define PAGE_SHIFT_4K 12
589 #define PAGE_SIZE_4K (1 << PAGE_SHIFT_4K)
591 /* Returns number of pages spanned by the data starting at the given addr */
592 #define PAGES_4K_SPANNED(_address, size) \
593 ((u32)((((size_t)(_address) & (PAGE_SIZE_4K - 1)) + \
594 (size) + (PAGE_SIZE_4K - 1)) >> PAGE_SHIFT_4K))
596 /* Returns bit offset within a DWORD of a bitfield */
597 #define AMAP_BIT_OFFSET(_struct, field) \
598 (((size_t)&(((_struct *)0)->field))%32)
600 /* Returns the bit mask of the field that is NOT shifted into location. */
601 static inline u32 amap_mask(u32 bitsize)
603 return (bitsize == 32 ? 0xFFFFFFFF : (1 << bitsize) - 1);
607 amap_set(void *ptr, u32 dw_offset, u32 mask, u32 offset, u32 value)
609 u32 *dw = (u32 *) ptr + dw_offset;
610 *dw &= ~(mask << offset);
611 *dw |= (mask & value) << offset;
614 #define AMAP_SET_BITS(_struct, field, ptr, val) \
616 offsetof(_struct, field)/32, \
617 amap_mask(sizeof(((_struct *)0)->field)), \
618 AMAP_BIT_OFFSET(_struct, field), \
621 static inline u32 amap_get(void *ptr, u32 dw_offset, u32 mask, u32 offset)
623 u32 *dw = (u32 *) ptr;
624 return mask & (*(dw + dw_offset) >> offset);
627 #define AMAP_GET_BITS(_struct, field, ptr) \
629 offsetof(_struct, field)/32, \
630 amap_mask(sizeof(((_struct *)0)->field)), \
631 AMAP_BIT_OFFSET(_struct, field))
633 #define be_dws_cpu_to_le(wrb, len) swap_dws(wrb, len)
634 #define be_dws_le_to_cpu(wrb, len) swap_dws(wrb, len)
635 static inline void swap_dws(void *wrb, int len)
641 *dw = cpu_to_le32(*dw);
645 #endif /* __BIG_ENDIAN */
648 static inline u8 is_tcp_pkt(struct sk_buff *skb)
652 if (ip_hdr(skb)->version == 4)
653 val = (ip_hdr(skb)->protocol == IPPROTO_TCP);
654 else if (ip_hdr(skb)->version == 6)
655 val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_TCP);
660 static inline u8 is_udp_pkt(struct sk_buff *skb)
664 if (ip_hdr(skb)->version == 4)
665 val = (ip_hdr(skb)->protocol == IPPROTO_UDP);
666 else if (ip_hdr(skb)->version == 6)
667 val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_UDP);
672 static inline bool is_ipv4_pkt(struct sk_buff *skb)
674 return skb->protocol == htons(ETH_P_IP) && ip_hdr(skb)->version == 4;
677 static inline void be_vf_eth_addr_generate(struct be_adapter *adapter, u8 *mac)
681 addr = jhash(adapter->netdev->dev_addr, ETH_ALEN, 0);
683 mac[5] = (u8)(addr & 0xFF);
684 mac[4] = (u8)((addr >> 8) & 0xFF);
685 mac[3] = (u8)((addr >> 16) & 0xFF);
686 /* Use the OUI from the current MAC address */
687 memcpy(mac, adapter->netdev->dev_addr, 3);
690 static inline bool be_multi_rxq(const struct be_adapter *adapter)
692 return adapter->num_rx_qs > 1;
695 static inline bool be_error(struct be_adapter *adapter)
697 return adapter->eeh_error || adapter->hw_error || adapter->fw_timeout;
700 static inline bool be_hw_error(struct be_adapter *adapter)
702 return adapter->eeh_error || adapter->hw_error;
705 static inline void be_clear_all_error(struct be_adapter *adapter)
707 adapter->eeh_error = false;
708 adapter->hw_error = false;
709 adapter->fw_timeout = false;
712 static inline bool be_is_wol_excluded(struct be_adapter *adapter)
714 struct pci_dev *pdev = adapter->pdev;
716 if (!be_physfn(adapter))
719 switch (pdev->subsystem_device) {
720 case OC_SUBSYS_DEVICE_ID1:
721 case OC_SUBSYS_DEVICE_ID2:
722 case OC_SUBSYS_DEVICE_ID3:
723 case OC_SUBSYS_DEVICE_ID4:
730 static inline int qnq_async_evt_rcvd(struct be_adapter *adapter)
732 return adapter->flags & BE_FLAGS_QNQ_ASYNC_EVT_RCVD;
735 #ifdef CONFIG_NET_RX_BUSY_POLL
736 static inline bool be_lock_napi(struct be_eq_obj *eqo)
740 spin_lock(&eqo->lock); /* BH is already disabled */
741 if (eqo->state & BE_EQ_LOCKED) {
742 WARN_ON(eqo->state & BE_EQ_NAPI);
743 eqo->state |= BE_EQ_NAPI_YIELD;
746 eqo->state = BE_EQ_NAPI;
748 spin_unlock(&eqo->lock);
752 static inline void be_unlock_napi(struct be_eq_obj *eqo)
754 spin_lock(&eqo->lock); /* BH is already disabled */
756 WARN_ON(eqo->state & (BE_EQ_POLL | BE_EQ_NAPI_YIELD));
757 eqo->state = BE_EQ_IDLE;
759 spin_unlock(&eqo->lock);
762 static inline bool be_lock_busy_poll(struct be_eq_obj *eqo)
766 spin_lock_bh(&eqo->lock);
767 if (eqo->state & BE_EQ_LOCKED) {
768 eqo->state |= BE_EQ_POLL_YIELD;
771 eqo->state |= BE_EQ_POLL;
773 spin_unlock_bh(&eqo->lock);
777 static inline void be_unlock_busy_poll(struct be_eq_obj *eqo)
779 spin_lock_bh(&eqo->lock);
781 WARN_ON(eqo->state & (BE_EQ_NAPI));
782 eqo->state = BE_EQ_IDLE;
784 spin_unlock_bh(&eqo->lock);
787 static inline void be_enable_busy_poll(struct be_eq_obj *eqo)
789 spin_lock_init(&eqo->lock);
790 eqo->state = BE_EQ_IDLE;
793 static inline void be_disable_busy_poll(struct be_eq_obj *eqo)
797 /* It's enough to just acquire napi lock on the eqo to stop
798 * be_busy_poll() from processing any queueus.
800 while (!be_lock_napi(eqo))
806 #else /* CONFIG_NET_RX_BUSY_POLL */
808 static inline bool be_lock_napi(struct be_eq_obj *eqo)
813 static inline void be_unlock_napi(struct be_eq_obj *eqo)
817 static inline bool be_lock_busy_poll(struct be_eq_obj *eqo)
822 static inline void be_unlock_busy_poll(struct be_eq_obj *eqo)
826 static inline void be_enable_busy_poll(struct be_eq_obj *eqo)
830 static inline void be_disable_busy_poll(struct be_eq_obj *eqo)
833 #endif /* CONFIG_NET_RX_BUSY_POLL */
835 void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm,
837 void be_link_status_update(struct be_adapter *adapter, u8 link_status);
838 void be_parse_stats(struct be_adapter *adapter);
839 int be_load_fw(struct be_adapter *adapter, u8 *func);
840 bool be_is_wol_supported(struct be_adapter *adapter);
841 bool be_pause_supported(struct be_adapter *adapter);
842 u32 be_get_fw_log_level(struct be_adapter *adapter);
844 static inline int fw_major_num(const char *fw_ver)
848 sscanf(fw_ver, "%d.", &fw_major);
853 int be_update_queues(struct be_adapter *adapter);
854 int be_poll(struct napi_struct *napi, int budget);
857 * internal function to initialize-cleanup roce device.
859 void be_roce_dev_add(struct be_adapter *);
860 void be_roce_dev_remove(struct be_adapter *);
863 * internal function to open-close roce device during ifup-ifdown.
865 void be_roce_dev_open(struct be_adapter *);
866 void be_roce_dev_close(struct be_adapter *);