2 * Copyright (C) 2005 - 2015 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>
33 #include <linux/cpumask.h>
34 #include <linux/hwmon.h>
35 #include <linux/hwmon-sysfs.h>
40 #define DRV_VER "10.6.0.3"
41 #define DRV_NAME "be2net"
42 #define BE_NAME "Emulex BladeEngine2"
43 #define BE3_NAME "Emulex BladeEngine3"
44 #define OC_NAME "Emulex OneConnect"
45 #define OC_NAME_BE OC_NAME "(be3)"
46 #define OC_NAME_LANCER OC_NAME "(Lancer)"
47 #define OC_NAME_SH OC_NAME "(Skyhawk)"
48 #define DRV_DESC "Emulex OneConnect NIC Driver"
50 #define BE_VENDOR_ID 0x19a2
51 #define EMULEX_VENDOR_ID 0x10df
52 #define BE_DEVICE_ID1 0x211
53 #define BE_DEVICE_ID2 0x221
54 #define OC_DEVICE_ID1 0x700 /* Device Id for BE2 cards */
55 #define OC_DEVICE_ID2 0x710 /* Device Id for BE3 cards */
56 #define OC_DEVICE_ID3 0xe220 /* Device id for Lancer cards */
57 #define OC_DEVICE_ID4 0xe228 /* Device id for VF in Lancer */
58 #define OC_DEVICE_ID5 0x720 /* Device Id for Skyhawk cards */
59 #define OC_DEVICE_ID6 0x728 /* Device id for VF in SkyHawk */
60 #define OC_SUBSYS_DEVICE_ID1 0xE602
61 #define OC_SUBSYS_DEVICE_ID2 0xE642
62 #define OC_SUBSYS_DEVICE_ID3 0xE612
63 #define OC_SUBSYS_DEVICE_ID4 0xE652
65 /* Number of bytes of an RX frame that are copied to skb->data */
66 #define BE_HDR_LEN ((u16) 64)
67 /* allocate extra space to allow tunneling decapsulation without head reallocation */
68 #define BE_RX_SKB_ALLOC_SIZE (BE_HDR_LEN + 64)
70 #define BE_MAX_JUMBO_FRAME_SIZE 9018
71 #define BE_MIN_MTU 256
72 #define BE_MAX_MTU (BE_MAX_JUMBO_FRAME_SIZE - \
73 (ETH_HLEN + ETH_FCS_LEN))
75 #define BE_NUM_VLANS_SUPPORTED 64
76 #define BE_MAX_EQD 128u
77 #define BE_MAX_TX_FRAG_COUNT 30
79 #define EVNT_Q_LEN 1024
81 #define TX_CQ_LEN 1024
82 #define RX_Q_LEN 1024 /* Does not support any other value */
83 #define RX_CQ_LEN 1024
84 #define MCC_Q_LEN 128 /* total size not to exceed 8 pages */
85 #define MCC_CQ_LEN 256
87 #define BE2_MAX_RSS_QS 4
88 #define BE3_MAX_RSS_QS 16
89 #define BE3_MAX_TX_QS 16
90 #define BE3_MAX_EVT_QS 16
91 #define BE3_SRIOV_MAX_EVT_QS 8
93 #define MAX_RSS_IFACES 15
98 #define MAX_ROCE_EQS 5
99 #define MAX_MSIX_VECTORS 32
100 #define MIN_MSIX_VECTORS 1
101 #define BE_NAPI_WEIGHT 64
102 #define MAX_RX_POST BE_NAPI_WEIGHT /* Frags posted at a time */
103 #define RX_FRAGS_REFILL_WM (RX_Q_LEN - MAX_RX_POST)
104 #define MAX_NUM_POST_ERX_DB 255u
106 #define MAX_VFS 30 /* Max VFs supported by BE3 FW */
107 #define FW_VER_LEN 32
108 #define CNTL_SERIAL_NUM_WORDS 8 /* Controller serial number words */
109 #define CNTL_SERIAL_NUM_WORD_SZ (sizeof(u16)) /* Byte-sz of serial num word */
111 #define RSS_INDIR_TABLE_LEN 128
112 #define RSS_HASH_KEY_LEN 40
120 struct be_queue_info
{
121 struct be_dma_mem dma_mem
;
123 u16 entry_size
; /* Size of an element in the queue */
127 atomic_t used
; /* Number of valid elements in the queue */
130 static inline u32
MODULO(u16 val
, u16 limit
)
132 BUG_ON(limit
& (limit
- 1));
133 return val
& (limit
- 1);
136 static inline void index_adv(u16
*index
, u16 val
, u16 limit
)
138 *index
= MODULO((*index
+ val
), limit
);
141 static inline void index_inc(u16
*index
, u16 limit
)
143 *index
= MODULO((*index
+ 1), limit
);
146 static inline void *queue_head_node(struct be_queue_info
*q
)
148 return q
->dma_mem
.va
+ q
->head
* q
->entry_size
;
151 static inline void *queue_tail_node(struct be_queue_info
*q
)
153 return q
->dma_mem
.va
+ q
->tail
* q
->entry_size
;
156 static inline void *queue_index_node(struct be_queue_info
*q
, u16 index
)
158 return q
->dma_mem
.va
+ index
* q
->entry_size
;
161 static inline void queue_head_inc(struct be_queue_info
*q
)
163 index_inc(&q
->head
, q
->len
);
166 static inline void index_dec(u16
*index
, u16 limit
)
168 *index
= MODULO((*index
- 1), limit
);
171 static inline void queue_tail_inc(struct be_queue_info
*q
)
173 index_inc(&q
->tail
, q
->len
);
177 struct be_queue_info q
;
180 /* Adaptive interrupt coalescing (AIC) info */
182 u32 min_eqd
; /* in usecs */
183 u32 max_eqd
; /* in usecs */
184 u32 eqd
; /* configured val when aic is off */
185 u32 cur_eqd
; /* in usecs */
187 u8 idx
; /* array index */
190 struct napi_struct napi
;
191 struct be_adapter
*adapter
;
192 cpumask_var_t affinity_mask
;
194 #ifdef CONFIG_NET_RX_BUSY_POLL
196 #define BE_EQ_NAPI 1 /* napi owns this EQ */
197 #define BE_EQ_POLL 2 /* poll owns this EQ */
198 #define BE_EQ_LOCKED (BE_EQ_NAPI | BE_EQ_POLL)
199 #define BE_EQ_NAPI_YIELD 4 /* napi yielded this EQ */
200 #define BE_EQ_POLL_YIELD 8 /* poll yielded this EQ */
201 #define BE_EQ_YIELD (BE_EQ_NAPI_YIELD | BE_EQ_POLL_YIELD)
202 #define BE_EQ_USER_PEND (BE_EQ_POLL | BE_EQ_POLL_YIELD)
204 spinlock_t lock
; /* lock to serialize napi and busy-poll */
205 #endif /* CONFIG_NET_RX_BUSY_POLL */
206 } ____cacheline_aligned_in_smp
;
208 struct be_aic_obj
{ /* Adaptive interrupt coalescing (AIC) info */
210 u32 min_eqd
; /* in usecs */
211 u32 max_eqd
; /* in usecs */
212 u32 prev_eqd
; /* in usecs */
213 u32 et_eqd
; /* configured val when aic is off */
215 u64 rx_pkts_prev
; /* Used to calculate RX pps */
216 u64 tx_reqs_prev
; /* Used to calculate TX pps */
225 struct be_queue_info q
;
226 struct be_queue_info cq
;
233 u64 tx_vxlan_offload_pkts
;
238 u32 tx_drv_drops
; /* pkts dropped by driver */
239 /* the error counters are described in be_ethtool.c */
240 u32 tx_hdr_parse_err
;
243 u32 tx_spoof_check_err
;
245 u32 tx_internal_parity_err
;
246 struct u64_stats_sync sync
;
247 struct u64_stats_sync sync_compl
;
250 /* Structure to hold some data of interest obtained from a TX CQE */
251 struct be_tx_compl_info
{
252 u8 status
; /* Completion status */
253 u16 end_index
; /* Completed TXQ Index */
258 struct be_queue_info q
;
259 struct be_queue_info cq
;
260 struct be_tx_compl_info txcp
;
261 /* Remember the skbs that were transmitted */
262 struct sk_buff
*sent_skb_list
[TX_Q_LEN
];
263 struct be_tx_stats stats
;
264 u16 pend_wrb_cnt
; /* Number of WRBs yet to be given to HW */
265 u16 last_req_wrb_cnt
; /* wrb cnt of the last req in the Q */
266 u16 last_req_hdr
; /* index of the last req's hdr-wrb */
267 } ____cacheline_aligned_in_smp
;
269 /* Struct to remember the pages posted for rx frags */
270 struct be_rx_page_info
{
272 /* set to page-addr for last frag of the page & frag-addr otherwise */
273 DEFINE_DMA_UNMAP_ADDR(bus
);
275 bool last_frag
; /* last frag of the page */
281 u64 rx_vxlan_offload_pkts
;
282 u32 rx_drops_no_skbs
; /* skb allocation errors */
283 u32 rx_drops_no_frags
; /* HW has no fetched frags */
284 u32 rx_post_fail
; /* page post alloc failures */
287 u32 rx_compl_err
; /* completions with err set */
288 struct u64_stats_sync sync
;
291 struct be_rx_compl_info
{
312 struct be_adapter
*adapter
;
313 struct be_queue_info q
;
314 struct be_queue_info cq
;
315 struct be_rx_compl_info rxcp
;
316 struct be_rx_page_info page_info_tbl
[RX_Q_LEN
];
317 struct be_rx_stats stats
;
319 bool rx_post_starved
; /* Zero rx frags have been posted to BE */
320 } ____cacheline_aligned_in_smp
;
322 struct be_drv_stats
{
325 u32 rx_drops_no_pbuf
;
326 u32 rx_drops_no_txpb
;
327 u32 rx_drops_no_erx_descr
;
328 u32 rx_drops_no_tpre_descr
;
329 u32 rx_drops_too_many_frags
;
330 u32 forwarded_packets
;
333 u32 rx_alignment_symbol_errors
;
335 u32 rx_priority_pause_frames
;
336 u32 rx_control_frames
;
337 u32 rx_in_range_errors
;
338 u32 rx_out_range_errors
;
339 u32 rx_frame_too_long
;
340 u32 rx_address_filtered
;
341 u32 rx_dropped_too_small
;
342 u32 rx_dropped_too_short
;
343 u32 rx_dropped_header_too_small
;
344 u32 rx_dropped_tcp_length
;
346 u32 rx_ip_checksum_errs
;
347 u32 rx_tcp_checksum_errs
;
348 u32 rx_udp_checksum_errs
;
350 u32 tx_priority_pauseframes
;
351 u32 tx_controlframes
;
352 u32 rxpp_fifo_overflow_drop
;
353 u32 rx_input_fifo_overflow_drop
;
354 u32 pmem_fifo_overflow_drop
;
356 u32 rx_roce_bytes_lsd
;
357 u32 rx_roce_bytes_msd
;
359 u32 roce_drops_payload_len
;
363 /* A vlan-id of 0xFFFF must be used to clear transparent vlan-tagging */
364 #define BE_RESET_VLAN_TAG_ID 0xFFFF
367 unsigned char mac_addr
[ETH_ALEN
];
382 #define BE_FLAGS_LINK_STATUS_INIT BIT(1)
383 #define BE_FLAGS_SRIOV_ENABLED BIT(2)
384 #define BE_FLAGS_WORKER_SCHEDULED BIT(3)
385 #define BE_FLAGS_NAPI_ENABLED BIT(6)
386 #define BE_FLAGS_QNQ_ASYNC_EVT_RCVD BIT(7)
387 #define BE_FLAGS_VXLAN_OFFLOADS BIT(8)
388 #define BE_FLAGS_SETUP_DONE BIT(9)
389 #define BE_FLAGS_EVT_INCOMPATIBLE_SFP BIT(10)
390 #define BE_FLAGS_ERR_DETECTION_SCHEDULED BIT(11)
391 #define BE_FLAGS_OS2BMC BIT(12)
393 #define BE_UC_PMAC_COUNT 30
394 #define BE_VF_UC_PMAC_COUNT 2
396 /* Ethtool set_dump flags */
397 #define LANCER_INITIATE_FW_DUMP 0x1
398 #define LANCER_DELETE_FW_DUMP 0x2
401 /* From SFF-8472 spec */
402 #define SFP_VENDOR_NAME_LEN 17
410 u16 auto_speeds_supported
;
411 u16 fixed_speeds_supported
;
416 u8 vendor_name
[SFP_VENDOR_NAME_LEN
];
417 u8 vendor_pn
[SFP_VENDOR_NAME_LEN
];
420 struct be_resources
{
421 u16 max_vfs
; /* Total VFs "really" supported by FW/HW */
427 u16 max_uc_mac
; /* Max UC MACs programmable */
428 u16 max_vlans
; /* Number of vlans supported */
433 u32 vf_if_cap_flags
; /* VF if capability flags */
436 #define be_is_os2bmc_enabled(adapter) (adapter->flags & BE_FLAGS_OS2BMC)
440 u8 rsstable
[RSS_INDIR_TABLE_LEN
];
441 u8 rss_queue
[RSS_INDIR_TABLE_LEN
];
442 u8 rss_hkey
[RSS_HASH_KEY_LEN
];
445 #define BE_INVALID_DIE_TEMP 0xFF
447 struct device
*hwmon_dev
;
448 u8 be_on_die_temp
; /* Unit: millidegree Celsius */
451 /* Macros to read/write the 'features' word of be_wrb_params structure.
453 #define BE_WRB_F_BIT(name) BE_WRB_F_##name##_BIT
454 #define BE_WRB_F_MASK(name) BIT_MASK(BE_WRB_F_##name##_BIT)
456 #define BE_WRB_F_GET(word, name) \
457 (((word) & (BE_WRB_F_MASK(name))) >> BE_WRB_F_BIT(name))
459 #define BE_WRB_F_SET(word, name, val) \
460 ((word) |= (((val) << BE_WRB_F_BIT(name)) & BE_WRB_F_MASK(name)))
462 /* Feature/offload bits */
464 BE_WRB_F_CRC_BIT
, /* Ethernet CRC */
465 BE_WRB_F_IPCS_BIT
, /* IP csum */
466 BE_WRB_F_TCPCS_BIT
, /* TCP csum */
467 BE_WRB_F_UDPCS_BIT
, /* UDP csum */
468 BE_WRB_F_LSO_BIT
, /* LSO */
469 BE_WRB_F_LSO6_BIT
, /* LSO6 */
470 BE_WRB_F_VLAN_BIT
, /* VLAN */
471 BE_WRB_F_VLAN_SKIP_HW_BIT
, /* Skip VLAN tag (workaround) */
472 BE_WRB_F_OS2BMC_BIT
/* Send packet to the management ring */
475 /* The structure below provides a HW-agnostic abstraction of WRB params
476 * retrieved from a TX skb. This is in turn passed to chip specific routines
477 * during transmit, to set the corresponding params in the WRB.
479 struct be_wrb_params
{
480 u32 features
; /* Feature bits */
481 u16 vlan_tag
; /* VLAN tag */
482 u16 lso_mss
; /* MSS for LSO */
486 struct pci_dev
*pdev
;
487 struct net_device
*netdev
;
489 u8 __iomem
*csr
; /* CSR BAR used only for BE2/3 */
490 u8 __iomem
*db
; /* Door Bell */
491 u8 __iomem
*pcicfg
; /* On SH,BEx only. Shadow of PCI config space */
493 struct mutex mbox_lock
; /* For serializing mbox cmds to BE card */
494 struct be_dma_mem mbox_mem
;
495 /* Mbox mem is adjusted to align to 16 bytes. The allocated addr
496 * is stored for freeing purpose */
497 struct be_dma_mem mbox_mem_alloced
;
499 struct be_mcc_obj mcc_obj
;
500 spinlock_t mcc_lock
; /* For serializing mcc cmds to BE card */
501 spinlock_t mcc_cq_lock
;
503 u16 cfg_num_qs
; /* configured via set-channels */
506 struct be_eq_obj eq_obj
[MAX_EVT_QS
];
507 struct msix_entry msix_entries
[MAX_MSIX_VECTORS
];
512 struct be_tx_obj tx_obj
[MAX_TX_QS
];
518 struct be_rx_obj rx_obj
[MAX_RX_QS
];
519 u32 big_page_size
; /* Compounded page size shared by rx wrbs */
521 struct be_drv_stats drv_stats
;
522 struct be_aic_obj aic_obj
[MAX_EVT_QS
];
523 u8 vlan_prio_bmap
; /* Available Priority BitMap */
524 u16 recommended_prio
; /* Recommended Priority */
525 struct be_dma_mem rx_filter
; /* Cmd DMA mem for rx-filter */
527 struct be_dma_mem stats_cmd
;
528 /* Work queue used to perform periodic tasks like getting statistics */
529 struct delayed_work work
;
532 struct delayed_work be_err_detection_work
;
536 /* Ethtool knobs and info */
537 char fw_ver
[FW_VER_LEN
];
538 char fw_on_flash
[FW_VER_LEN
];
540 /* IFACE filtering fields */
541 int if_handle
; /* Used to configure filtering */
542 u32 if_flags
; /* Interface filtering flags */
543 u32
*pmac_id
; /* MAC addr handle used by BE card */
544 u32 uc_macs
; /* Count of secondary UC MAC programmed */
545 unsigned long vids
[BITS_TO_LONGS(VLAN_N_VID
)];
548 u32 beacon_state
; /* for set_phys_id */
559 u32 rx_fc
; /* Rx flow control */
560 u32 tx_fc
; /* Tx flow control */
567 u32 num_msix_roce_vec
;
568 struct ocrdma_dev
*ocrdma_dev
;
569 struct list_head entry
;
572 struct completion et_cmd_compl
;
574 struct be_resources pool_res
; /* resources available for the port */
575 struct be_resources res
; /* resources available for the func */
576 u16 num_vfs
; /* Number of VFs provisioned by PF */
578 struct be_vf_cfg
*vf_cfg
;
584 int vxlan_port_count
;
585 int vxlan_port_aliases
;
592 int be_get_temp_freq
;
593 struct be_hwmon hwmon_info
;
596 struct rss_info rss_info
;
597 /* Filters for packets that need to be sent to BMC */
599 u16 serial_num
[CNTL_SERIAL_NUM_WORDS
];
602 #define be_physfn(adapter) (!adapter->virtfn)
603 #define be_virtfn(adapter) (adapter->virtfn)
604 #define sriov_enabled(adapter) (adapter->flags & \
605 BE_FLAGS_SRIOV_ENABLED)
607 #define for_all_vfs(adapter, vf_cfg, i) \
608 for (i = 0, vf_cfg = &adapter->vf_cfg[i]; i < adapter->num_vfs; \
614 #define be_max_vlans(adapter) (adapter->res.max_vlans)
615 #define be_max_uc(adapter) (adapter->res.max_uc_mac)
616 #define be_max_mc(adapter) (adapter->res.max_mcast_mac)
617 #define be_max_vfs(adapter) (adapter->pool_res.max_vfs)
618 #define be_max_rss(adapter) (adapter->res.max_rss_qs)
619 #define be_max_txqs(adapter) (adapter->res.max_tx_qs)
620 #define be_max_prio_txqs(adapter) (adapter->res.max_prio_tx_qs)
621 #define be_max_rxqs(adapter) (adapter->res.max_rx_qs)
622 #define be_max_eqs(adapter) (adapter->res.max_evt_qs)
623 #define be_if_cap_flags(adapter) (adapter->res.if_cap_flags)
625 static inline u16
be_max_qs(struct be_adapter
*adapter
)
627 /* If no RSS, need atleast the one def RXQ */
628 u16 num
= max_t(u16
, be_max_rss(adapter
), 1);
630 num
= min(num
, be_max_eqs(adapter
));
631 return min_t(u16
, num
, num_online_cpus());
634 /* Is BE in pvid_tagging mode */
635 #define be_pvid_tagging_enabled(adapter) (adapter->pvid)
637 /* Is BE in QNQ multi-channel mode */
638 #define be_is_qnq_mode(adapter) (adapter->function_mode & QNQ_MODE)
640 #define lancer_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID3 || \
641 adapter->pdev->device == OC_DEVICE_ID4)
643 #define skyhawk_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID5 || \
644 adapter->pdev->device == OC_DEVICE_ID6)
646 #define BE3_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID2 || \
647 adapter->pdev->device == OC_DEVICE_ID2)
649 #define BE2_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID1 || \
650 adapter->pdev->device == OC_DEVICE_ID1)
652 #define BEx_chip(adapter) (BE3_chip(adapter) || BE2_chip(adapter))
654 #define be_roce_supported(adapter) (skyhawk_chip(adapter) && \
655 (adapter->function_mode & RDMA_ENABLED))
657 extern const struct ethtool_ops be_ethtool_ops
;
659 #define msix_enabled(adapter) (adapter->num_msix_vec > 0)
660 #define num_irqs(adapter) (msix_enabled(adapter) ? \
661 adapter->num_msix_vec : 1)
662 #define tx_stats(txo) (&(txo)->stats)
663 #define rx_stats(rxo) (&(rxo)->stats)
665 /* The default RXQ is the last RXQ */
666 #define default_rxo(adpt) (&adpt->rx_obj[adpt->num_rx_qs - 1])
668 #define for_all_rx_queues(adapter, rxo, i) \
669 for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs; \
672 #define for_all_rss_queues(adapter, rxo, i) \
673 for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rss_qs; \
676 #define for_all_tx_queues(adapter, txo, i) \
677 for (i = 0, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs; \
680 #define for_all_evt_queues(adapter, eqo, i) \
681 for (i = 0, eqo = &adapter->eq_obj[i]; i < adapter->num_evt_qs; \
684 #define for_all_rx_queues_on_eq(adapter, eqo, rxo, i) \
685 for (i = eqo->idx, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs;\
686 i += adapter->num_evt_qs, rxo += adapter->num_evt_qs)
688 #define for_all_tx_queues_on_eq(adapter, eqo, txo, i) \
689 for (i = eqo->idx, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs;\
690 i += adapter->num_evt_qs, txo += adapter->num_evt_qs)
692 #define is_mcc_eqo(eqo) (eqo->idx == 0)
693 #define mcc_eqo(adapter) (&adapter->eq_obj[0])
695 #define PAGE_SHIFT_4K 12
696 #define PAGE_SIZE_4K (1 << PAGE_SHIFT_4K)
698 /* Returns number of pages spanned by the data starting at the given addr */
699 #define PAGES_4K_SPANNED(_address, size) \
700 ((u32)((((size_t)(_address) & (PAGE_SIZE_4K - 1)) + \
701 (size) + (PAGE_SIZE_4K - 1)) >> PAGE_SHIFT_4K))
703 /* Returns bit offset within a DWORD of a bitfield */
704 #define AMAP_BIT_OFFSET(_struct, field) \
705 (((size_t)&(((_struct *)0)->field))%32)
707 /* Returns the bit mask of the field that is NOT shifted into location. */
708 static inline u32
amap_mask(u32 bitsize
)
710 return (bitsize
== 32 ? 0xFFFFFFFF : (1 << bitsize
) - 1);
714 amap_set(void *ptr
, u32 dw_offset
, u32 mask
, u32 offset
, u32 value
)
716 u32
*dw
= (u32
*) ptr
+ dw_offset
;
717 *dw
&= ~(mask
<< offset
);
718 *dw
|= (mask
& value
) << offset
;
721 #define AMAP_SET_BITS(_struct, field, ptr, val) \
723 offsetof(_struct, field)/32, \
724 amap_mask(sizeof(((_struct *)0)->field)), \
725 AMAP_BIT_OFFSET(_struct, field), \
728 static inline u32
amap_get(void *ptr
, u32 dw_offset
, u32 mask
, u32 offset
)
730 u32
*dw
= (u32
*) ptr
;
731 return mask
& (*(dw
+ dw_offset
) >> offset
);
734 #define AMAP_GET_BITS(_struct, field, ptr) \
736 offsetof(_struct, field)/32, \
737 amap_mask(sizeof(((_struct *)0)->field)), \
738 AMAP_BIT_OFFSET(_struct, field))
740 #define GET_RX_COMPL_V0_BITS(field, ptr) \
741 AMAP_GET_BITS(struct amap_eth_rx_compl_v0, field, ptr)
743 #define GET_RX_COMPL_V1_BITS(field, ptr) \
744 AMAP_GET_BITS(struct amap_eth_rx_compl_v1, field, ptr)
746 #define GET_TX_COMPL_BITS(field, ptr) \
747 AMAP_GET_BITS(struct amap_eth_tx_compl, field, ptr)
749 #define SET_TX_WRB_HDR_BITS(field, ptr, val) \
750 AMAP_SET_BITS(struct amap_eth_hdr_wrb, field, ptr, val)
752 #define be_dws_cpu_to_le(wrb, len) swap_dws(wrb, len)
753 #define be_dws_le_to_cpu(wrb, len) swap_dws(wrb, len)
754 static inline void swap_dws(void *wrb
, int len
)
760 *dw
= cpu_to_le32(*dw
);
764 #endif /* __BIG_ENDIAN */
767 #define be_cmd_status(status) (status > 0 ? -EIO : status)
769 static inline u8
is_tcp_pkt(struct sk_buff
*skb
)
773 if (ip_hdr(skb
)->version
== 4)
774 val
= (ip_hdr(skb
)->protocol
== IPPROTO_TCP
);
775 else if (ip_hdr(skb
)->version
== 6)
776 val
= (ipv6_hdr(skb
)->nexthdr
== NEXTHDR_TCP
);
781 static inline u8
is_udp_pkt(struct sk_buff
*skb
)
785 if (ip_hdr(skb
)->version
== 4)
786 val
= (ip_hdr(skb
)->protocol
== IPPROTO_UDP
);
787 else if (ip_hdr(skb
)->version
== 6)
788 val
= (ipv6_hdr(skb
)->nexthdr
== NEXTHDR_UDP
);
793 static inline bool is_ipv4_pkt(struct sk_buff
*skb
)
795 return skb
->protocol
== htons(ETH_P_IP
) && ip_hdr(skb
)->version
== 4;
798 #define BE_ERROR_EEH 1
799 #define BE_ERROR_UE BIT(1)
800 #define BE_ERROR_FW BIT(2)
801 #define BE_ERROR_HW (BE_ERROR_EEH | BE_ERROR_UE)
802 #define BE_ERROR_ANY (BE_ERROR_EEH | BE_ERROR_UE | BE_ERROR_FW)
803 #define BE_CLEAR_ALL 0xFF
805 static inline u8
be_check_error(struct be_adapter
*adapter
, u32 err_type
)
807 return (adapter
->err_flags
& err_type
);
810 static inline void be_set_error(struct be_adapter
*adapter
, int err_type
)
812 struct net_device
*netdev
= adapter
->netdev
;
814 adapter
->err_flags
|= err_type
;
815 netif_carrier_off(netdev
);
817 dev_info(&adapter
->pdev
->dev
, "%s: Link down\n", netdev
->name
);
820 static inline void be_clear_error(struct be_adapter
*adapter
, int err_type
)
822 adapter
->err_flags
&= ~err_type
;
825 static inline bool be_multi_rxq(const struct be_adapter
*adapter
)
827 return adapter
->num_rx_qs
> 1;
830 void be_cq_notify(struct be_adapter
*adapter
, u16 qid
, bool arm
,
832 void be_link_status_update(struct be_adapter
*adapter
, u8 link_status
);
833 void be_parse_stats(struct be_adapter
*adapter
);
834 int be_load_fw(struct be_adapter
*adapter
, u8
*func
);
835 bool be_is_wol_supported(struct be_adapter
*adapter
);
836 bool be_pause_supported(struct be_adapter
*adapter
);
837 u32
be_get_fw_log_level(struct be_adapter
*adapter
);
838 int be_update_queues(struct be_adapter
*adapter
);
839 int be_poll(struct napi_struct
*napi
, int budget
);
840 void be_eqd_update(struct be_adapter
*adapter
, bool force_update
);
843 * internal function to initialize-cleanup roce device.
845 void be_roce_dev_add(struct be_adapter
*);
846 void be_roce_dev_remove(struct be_adapter
*);
849 * internal function to open-close roce device during ifup-ifdown.
851 void be_roce_dev_open(struct be_adapter
*);
852 void be_roce_dev_close(struct be_adapter
*);
853 void be_roce_dev_shutdown(struct be_adapter
*);