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 "11.0.0.0"
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
92 #define SH_VF_MAX_NIC_EQS 3 /* Skyhawk VFs can have a max of 4 EQs
93 * and at least 1 is granted to either
97 #define MAX_RSS_IFACES 15
102 #define MAX_ROCE_EQS 5
103 #define MAX_MSIX_VECTORS 32
104 #define MIN_MSIX_VECTORS 1
105 #define BE_NAPI_WEIGHT 64
106 #define MAX_RX_POST BE_NAPI_WEIGHT /* Frags posted at a time */
107 #define RX_FRAGS_REFILL_WM (RX_Q_LEN - MAX_RX_POST)
108 #define MAX_NUM_POST_ERX_DB 255u
110 #define MAX_VFS 30 /* Max VFs supported by BE3 FW */
111 #define FW_VER_LEN 32
112 #define CNTL_SERIAL_NUM_WORDS 8 /* Controller serial number words */
113 #define CNTL_SERIAL_NUM_WORD_SZ (sizeof(u16)) /* Byte-sz of serial num word */
115 #define RSS_INDIR_TABLE_LEN 128
116 #define RSS_HASH_KEY_LEN 40
124 struct be_queue_info {
125 struct be_dma_mem dma_mem;
127 u16 entry_size; /* Size of an element in the queue */
131 atomic_t used; /* Number of valid elements in the queue */
134 static inline u32 MODULO(u16 val, u16 limit)
136 BUG_ON(limit & (limit - 1));
137 return val & (limit - 1);
140 static inline void index_adv(u16 *index, u16 val, u16 limit)
142 *index = MODULO((*index + val), limit);
145 static inline void index_inc(u16 *index, u16 limit)
147 *index = MODULO((*index + 1), limit);
150 static inline void *queue_head_node(struct be_queue_info *q)
152 return q->dma_mem.va + q->head * q->entry_size;
155 static inline void *queue_tail_node(struct be_queue_info *q)
157 return q->dma_mem.va + q->tail * q->entry_size;
160 static inline void *queue_index_node(struct be_queue_info *q, u16 index)
162 return q->dma_mem.va + index * q->entry_size;
165 static inline void queue_head_inc(struct be_queue_info *q)
167 index_inc(&q->head, q->len);
170 static inline void index_dec(u16 *index, u16 limit)
172 *index = MODULO((*index - 1), limit);
175 static inline void queue_tail_inc(struct be_queue_info *q)
177 index_inc(&q->tail, q->len);
181 struct be_queue_info q;
184 /* Adaptive interrupt coalescing (AIC) info */
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 */
191 u8 idx; /* array index */
194 struct napi_struct napi;
195 struct be_adapter *adapter;
196 cpumask_var_t affinity_mask;
198 #ifdef CONFIG_NET_RX_BUSY_POLL
200 #define BE_EQ_NAPI 1 /* napi owns this EQ */
201 #define BE_EQ_POLL 2 /* poll owns this EQ */
202 #define BE_EQ_LOCKED (BE_EQ_NAPI | BE_EQ_POLL)
203 #define BE_EQ_NAPI_YIELD 4 /* napi yielded this EQ */
204 #define BE_EQ_POLL_YIELD 8 /* poll yielded this EQ */
205 #define BE_EQ_YIELD (BE_EQ_NAPI_YIELD | BE_EQ_POLL_YIELD)
206 #define BE_EQ_USER_PEND (BE_EQ_POLL | BE_EQ_POLL_YIELD)
208 spinlock_t lock; /* lock to serialize napi and busy-poll */
209 #endif /* CONFIG_NET_RX_BUSY_POLL */
210 } ____cacheline_aligned_in_smp;
212 struct be_aic_obj { /* Adaptive interrupt coalescing (AIC) info */
214 u32 min_eqd; /* in usecs */
215 u32 max_eqd; /* in usecs */
216 u32 prev_eqd; /* in usecs */
217 u32 et_eqd; /* configured val when aic is off */
219 u64 rx_pkts_prev; /* Used to calculate RX pps */
220 u64 tx_reqs_prev; /* Used to calculate TX pps */
229 struct be_queue_info q;
230 struct be_queue_info cq;
237 u64 tx_vxlan_offload_pkts;
242 u32 tx_drv_drops; /* pkts dropped by driver */
243 /* the error counters are described in be_ethtool.c */
244 u32 tx_hdr_parse_err;
247 u32 tx_spoof_check_err;
249 u32 tx_internal_parity_err;
250 struct u64_stats_sync sync;
251 struct u64_stats_sync sync_compl;
254 /* Structure to hold some data of interest obtained from a TX CQE */
255 struct be_tx_compl_info {
256 u8 status; /* Completion status */
257 u16 end_index; /* Completed TXQ Index */
262 struct be_queue_info q;
263 struct be_queue_info cq;
264 struct be_tx_compl_info txcp;
265 /* Remember the skbs that were transmitted */
266 struct sk_buff *sent_skb_list[TX_Q_LEN];
267 struct be_tx_stats stats;
268 u16 pend_wrb_cnt; /* Number of WRBs yet to be given to HW */
269 u16 last_req_wrb_cnt; /* wrb cnt of the last req in the Q */
270 u16 last_req_hdr; /* index of the last req's hdr-wrb */
271 } ____cacheline_aligned_in_smp;
273 /* Struct to remember the pages posted for rx frags */
274 struct be_rx_page_info {
276 /* set to page-addr for last frag of the page & frag-addr otherwise */
277 DEFINE_DMA_UNMAP_ADDR(bus);
279 bool last_frag; /* last frag of the page */
285 u64 rx_vxlan_offload_pkts;
286 u32 rx_drops_no_skbs; /* skb allocation errors */
287 u32 rx_drops_no_frags; /* HW has no fetched frags */
288 u32 rx_post_fail; /* page post alloc failures */
291 u32 rx_compl_err; /* completions with err set */
292 struct u64_stats_sync sync;
295 struct be_rx_compl_info {
316 struct be_adapter *adapter;
317 struct be_queue_info q;
318 struct be_queue_info cq;
319 struct be_rx_compl_info rxcp;
320 struct be_rx_page_info page_info_tbl[RX_Q_LEN];
321 struct be_rx_stats stats;
323 bool rx_post_starved; /* Zero rx frags have been posted to BE */
324 } ____cacheline_aligned_in_smp;
326 struct be_drv_stats {
329 u32 rx_drops_no_pbuf;
330 u32 rx_drops_no_txpb;
331 u32 rx_drops_no_erx_descr;
332 u32 rx_drops_no_tpre_descr;
333 u32 rx_drops_too_many_frags;
334 u32 forwarded_packets;
337 u32 rx_alignment_symbol_errors;
339 u32 rx_priority_pause_frames;
340 u32 rx_control_frames;
341 u32 rx_in_range_errors;
342 u32 rx_out_range_errors;
343 u32 rx_frame_too_long;
344 u32 rx_address_filtered;
345 u32 rx_dropped_too_small;
346 u32 rx_dropped_too_short;
347 u32 rx_dropped_header_too_small;
348 u32 rx_dropped_tcp_length;
350 u32 rx_ip_checksum_errs;
351 u32 rx_tcp_checksum_errs;
352 u32 rx_udp_checksum_errs;
354 u32 tx_priority_pauseframes;
355 u32 tx_controlframes;
356 u32 rxpp_fifo_overflow_drop;
357 u32 rx_input_fifo_overflow_drop;
358 u32 pmem_fifo_overflow_drop;
360 u32 rx_roce_bytes_lsd;
361 u32 rx_roce_bytes_msd;
363 u32 roce_drops_payload_len;
367 /* A vlan-id of 0xFFFF must be used to clear transparent vlan-tagging */
368 #define BE_RESET_VLAN_TAG_ID 0xFFFF
371 unsigned char mac_addr[ETH_ALEN];
386 #define BE_FLAGS_LINK_STATUS_INIT BIT(1)
387 #define BE_FLAGS_SRIOV_ENABLED BIT(2)
388 #define BE_FLAGS_WORKER_SCHEDULED BIT(3)
389 #define BE_FLAGS_NAPI_ENABLED BIT(6)
390 #define BE_FLAGS_QNQ_ASYNC_EVT_RCVD BIT(7)
391 #define BE_FLAGS_VXLAN_OFFLOADS BIT(8)
392 #define BE_FLAGS_SETUP_DONE BIT(9)
393 #define BE_FLAGS_EVT_INCOMPATIBLE_SFP BIT(10)
394 #define BE_FLAGS_ERR_DETECTION_SCHEDULED BIT(11)
395 #define BE_FLAGS_OS2BMC BIT(12)
397 #define BE_UC_PMAC_COUNT 30
398 #define BE_VF_UC_PMAC_COUNT 2
400 #define MAX_ERR_RECOVERY_RETRY_COUNT 3
401 #define ERR_DETECTION_DELAY 1000
402 #define ERR_RECOVERY_RETRY_DELAY 30000
404 /* Ethtool set_dump flags */
405 #define LANCER_INITIATE_FW_DUMP 0x1
406 #define LANCER_DELETE_FW_DUMP 0x2
409 /* From SFF-8472 spec */
410 #define SFP_VENDOR_NAME_LEN 17
418 u16 auto_speeds_supported;
419 u16 fixed_speeds_supported;
424 u8 vendor_name[SFP_VENDOR_NAME_LEN];
425 u8 vendor_pn[SFP_VENDOR_NAME_LEN];
428 struct be_resources {
429 u16 max_vfs; /* Total VFs "really" supported by FW/HW */
435 u16 max_uc_mac; /* Max UC MACs programmable */
436 u16 max_vlans; /* Number of vlans supported */
441 u32 vf_if_cap_flags; /* VF if capability flags */
444 #define be_is_os2bmc_enabled(adapter) (adapter->flags & BE_FLAGS_OS2BMC)
448 u8 rsstable[RSS_INDIR_TABLE_LEN];
449 u8 rss_queue[RSS_INDIR_TABLE_LEN];
450 u8 rss_hkey[RSS_HASH_KEY_LEN];
453 #define BE_INVALID_DIE_TEMP 0xFF
455 struct device *hwmon_dev;
456 u8 be_on_die_temp; /* Unit: millidegree Celsius */
459 /* Macros to read/write the 'features' word of be_wrb_params structure.
461 #define BE_WRB_F_BIT(name) BE_WRB_F_##name##_BIT
462 #define BE_WRB_F_MASK(name) BIT_MASK(BE_WRB_F_##name##_BIT)
464 #define BE_WRB_F_GET(word, name) \
465 (((word) & (BE_WRB_F_MASK(name))) >> BE_WRB_F_BIT(name))
467 #define BE_WRB_F_SET(word, name, val) \
468 ((word) |= (((val) << BE_WRB_F_BIT(name)) & BE_WRB_F_MASK(name)))
470 /* Feature/offload bits */
472 BE_WRB_F_CRC_BIT, /* Ethernet CRC */
473 BE_WRB_F_IPCS_BIT, /* IP csum */
474 BE_WRB_F_TCPCS_BIT, /* TCP csum */
475 BE_WRB_F_UDPCS_BIT, /* UDP csum */
476 BE_WRB_F_LSO_BIT, /* LSO */
477 BE_WRB_F_LSO6_BIT, /* LSO6 */
478 BE_WRB_F_VLAN_BIT, /* VLAN */
479 BE_WRB_F_VLAN_SKIP_HW_BIT, /* Skip VLAN tag (workaround) */
480 BE_WRB_F_OS2BMC_BIT /* Send packet to the management ring */
483 /* The structure below provides a HW-agnostic abstraction of WRB params
484 * retrieved from a TX skb. This is in turn passed to chip specific routines
485 * during transmit, to set the corresponding params in the WRB.
487 struct be_wrb_params {
488 u32 features; /* Feature bits */
489 u16 vlan_tag; /* VLAN tag */
490 u16 lso_mss; /* MSS for LSO */
494 struct pci_dev *pdev;
495 struct net_device *netdev;
497 u8 __iomem *csr; /* CSR BAR used only for BE2/3 */
498 u8 __iomem *db; /* Door Bell */
499 u8 __iomem *pcicfg; /* On SH,BEx only. Shadow of PCI config space */
501 struct mutex mbox_lock; /* For serializing mbox cmds to BE card */
502 struct be_dma_mem mbox_mem;
503 /* Mbox mem is adjusted to align to 16 bytes. The allocated addr
504 * is stored for freeing purpose */
505 struct be_dma_mem mbox_mem_alloced;
507 struct be_mcc_obj mcc_obj;
508 spinlock_t mcc_lock; /* For serializing mcc cmds to BE card */
509 spinlock_t mcc_cq_lock;
511 u16 cfg_num_qs; /* configured via set-channels */
514 struct be_eq_obj eq_obj[MAX_EVT_QS];
515 struct msix_entry msix_entries[MAX_MSIX_VECTORS];
520 struct be_tx_obj tx_obj[MAX_TX_QS];
526 struct be_rx_obj rx_obj[MAX_RX_QS];
527 u32 big_page_size; /* Compounded page size shared by rx wrbs */
529 struct be_drv_stats drv_stats;
530 struct be_aic_obj aic_obj[MAX_EVT_QS];
531 u8 vlan_prio_bmap; /* Available Priority BitMap */
532 u16 recommended_prio_bits;/* Recommended Priority bits in vlan tag */
533 struct be_dma_mem rx_filter; /* Cmd DMA mem for rx-filter */
535 struct be_dma_mem stats_cmd;
536 /* Work queue used to perform periodic tasks like getting statistics */
537 struct delayed_work work;
540 struct delayed_work be_err_detection_work;
545 /* Ethtool knobs and info */
546 char fw_ver[FW_VER_LEN];
547 char fw_on_flash[FW_VER_LEN];
549 /* IFACE filtering fields */
550 int if_handle; /* Used to configure filtering */
551 u32 if_flags; /* Interface filtering flags */
552 u32 *pmac_id; /* MAC addr handle used by BE card */
553 u32 uc_macs; /* Count of secondary UC MAC programmed */
554 unsigned long vids[BITS_TO_LONGS(VLAN_N_VID)];
557 u32 beacon_state; /* for set_phys_id */
564 u32 rx_fc; /* Rx flow control */
565 u32 tx_fc; /* Tx flow control */
572 u32 num_msix_roce_vec;
573 struct ocrdma_dev *ocrdma_dev;
574 struct list_head entry;
577 struct completion et_cmd_compl;
579 struct be_resources pool_res; /* resources available for the port */
580 struct be_resources res; /* resources available for the func */
581 u16 num_vfs; /* Number of VFs provisioned by PF */
582 u8 pf_num; /* Numbering used by FW, starts at 0 */
583 u8 vf_num; /* Numbering used by FW, starts at 1 */
585 struct be_vf_cfg *vf_cfg;
591 int vxlan_port_count;
592 int vxlan_port_aliases;
599 int be_get_temp_freq;
600 struct be_hwmon hwmon_info;
601 struct rss_info rss_info;
602 /* Filters for packets that need to be sent to BMC */
605 u16 serial_num[CNTL_SERIAL_NUM_WORDS];
608 #define be_physfn(adapter) (!adapter->virtfn)
609 #define be_virtfn(adapter) (adapter->virtfn)
610 #define sriov_enabled(adapter) (adapter->flags & \
611 BE_FLAGS_SRIOV_ENABLED)
613 #define for_all_vfs(adapter, vf_cfg, i) \
614 for (i = 0, vf_cfg = &adapter->vf_cfg[i]; i < adapter->num_vfs; \
620 #define be_max_vlans(adapter) (adapter->res.max_vlans)
621 #define be_max_uc(adapter) (adapter->res.max_uc_mac)
622 #define be_max_mc(adapter) (adapter->res.max_mcast_mac)
623 #define be_max_vfs(adapter) (adapter->pool_res.max_vfs)
624 #define be_max_rss(adapter) (adapter->res.max_rss_qs)
625 #define be_max_txqs(adapter) (adapter->res.max_tx_qs)
626 #define be_max_prio_txqs(adapter) (adapter->res.max_prio_tx_qs)
627 #define be_max_rxqs(adapter) (adapter->res.max_rx_qs)
628 #define be_max_eqs(adapter) (adapter->res.max_evt_qs)
629 #define be_if_cap_flags(adapter) (adapter->res.if_cap_flags)
631 static inline u16 be_max_qs(struct be_adapter *adapter)
633 /* If no RSS, need atleast the one def RXQ */
634 u16 num = max_t(u16, be_max_rss(adapter), 1);
636 num = min(num, be_max_eqs(adapter));
637 return min_t(u16, num, num_online_cpus());
640 /* Is BE in pvid_tagging mode */
641 #define be_pvid_tagging_enabled(adapter) (adapter->pvid)
643 /* Is BE in QNQ multi-channel mode */
644 #define be_is_qnq_mode(adapter) (adapter->function_mode & QNQ_MODE)
646 #define lancer_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID3 || \
647 adapter->pdev->device == OC_DEVICE_ID4)
649 #define skyhawk_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID5 || \
650 adapter->pdev->device == OC_DEVICE_ID6)
652 #define BE3_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID2 || \
653 adapter->pdev->device == OC_DEVICE_ID2)
655 #define BE2_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID1 || \
656 adapter->pdev->device == OC_DEVICE_ID1)
658 #define BEx_chip(adapter) (BE3_chip(adapter) || BE2_chip(adapter))
660 #define be_roce_supported(adapter) (skyhawk_chip(adapter) && \
661 (adapter->function_mode & RDMA_ENABLED))
663 extern const struct ethtool_ops be_ethtool_ops;
665 #define msix_enabled(adapter) (adapter->num_msix_vec > 0)
666 #define num_irqs(adapter) (msix_enabled(adapter) ? \
667 adapter->num_msix_vec : 1)
668 #define tx_stats(txo) (&(txo)->stats)
669 #define rx_stats(rxo) (&(rxo)->stats)
671 /* The default RXQ is the last RXQ */
672 #define default_rxo(adpt) (&adpt->rx_obj[adpt->num_rx_qs - 1])
674 #define for_all_rx_queues(adapter, rxo, i) \
675 for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs; \
678 #define for_all_rss_queues(adapter, rxo, i) \
679 for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rss_qs; \
682 #define for_all_tx_queues(adapter, txo, i) \
683 for (i = 0, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs; \
686 #define for_all_evt_queues(adapter, eqo, i) \
687 for (i = 0, eqo = &adapter->eq_obj[i]; i < adapter->num_evt_qs; \
690 #define for_all_rx_queues_on_eq(adapter, eqo, rxo, i) \
691 for (i = eqo->idx, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs;\
692 i += adapter->num_evt_qs, rxo += adapter->num_evt_qs)
694 #define for_all_tx_queues_on_eq(adapter, eqo, txo, i) \
695 for (i = eqo->idx, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs;\
696 i += adapter->num_evt_qs, txo += adapter->num_evt_qs)
698 #define is_mcc_eqo(eqo) (eqo->idx == 0)
699 #define mcc_eqo(adapter) (&adapter->eq_obj[0])
701 #define PAGE_SHIFT_4K 12
702 #define PAGE_SIZE_4K (1 << PAGE_SHIFT_4K)
704 /* Returns number of pages spanned by the data starting at the given addr */
705 #define PAGES_4K_SPANNED(_address, size) \
706 ((u32)((((size_t)(_address) & (PAGE_SIZE_4K - 1)) + \
707 (size) + (PAGE_SIZE_4K - 1)) >> PAGE_SHIFT_4K))
709 /* Returns bit offset within a DWORD of a bitfield */
710 #define AMAP_BIT_OFFSET(_struct, field) \
711 (((size_t)&(((_struct *)0)->field))%32)
713 /* Returns the bit mask of the field that is NOT shifted into location. */
714 static inline u32 amap_mask(u32 bitsize)
716 return (bitsize == 32 ? 0xFFFFFFFF : (1 << bitsize) - 1);
720 amap_set(void *ptr, u32 dw_offset, u32 mask, u32 offset, u32 value)
722 u32 *dw = (u32 *) ptr + dw_offset;
723 *dw &= ~(mask << offset);
724 *dw |= (mask & value) << offset;
727 #define AMAP_SET_BITS(_struct, field, ptr, val) \
729 offsetof(_struct, field)/32, \
730 amap_mask(sizeof(((_struct *)0)->field)), \
731 AMAP_BIT_OFFSET(_struct, field), \
734 static inline u32 amap_get(void *ptr, u32 dw_offset, u32 mask, u32 offset)
736 u32 *dw = (u32 *) ptr;
737 return mask & (*(dw + dw_offset) >> offset);
740 #define AMAP_GET_BITS(_struct, field, ptr) \
742 offsetof(_struct, field)/32, \
743 amap_mask(sizeof(((_struct *)0)->field)), \
744 AMAP_BIT_OFFSET(_struct, field))
746 #define GET_RX_COMPL_V0_BITS(field, ptr) \
747 AMAP_GET_BITS(struct amap_eth_rx_compl_v0, field, ptr)
749 #define GET_RX_COMPL_V1_BITS(field, ptr) \
750 AMAP_GET_BITS(struct amap_eth_rx_compl_v1, field, ptr)
752 #define GET_TX_COMPL_BITS(field, ptr) \
753 AMAP_GET_BITS(struct amap_eth_tx_compl, field, ptr)
755 #define SET_TX_WRB_HDR_BITS(field, ptr, val) \
756 AMAP_SET_BITS(struct amap_eth_hdr_wrb, field, ptr, val)
758 #define be_dws_cpu_to_le(wrb, len) swap_dws(wrb, len)
759 #define be_dws_le_to_cpu(wrb, len) swap_dws(wrb, len)
760 static inline void swap_dws(void *wrb, int len)
766 *dw = cpu_to_le32(*dw);
770 #endif /* __BIG_ENDIAN */
773 #define be_cmd_status(status) (status > 0 ? -EIO : status)
775 static inline u8 is_tcp_pkt(struct sk_buff *skb)
779 if (ip_hdr(skb)->version == 4)
780 val = (ip_hdr(skb)->protocol == IPPROTO_TCP);
781 else if (ip_hdr(skb)->version == 6)
782 val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_TCP);
787 static inline u8 is_udp_pkt(struct sk_buff *skb)
791 if (ip_hdr(skb)->version == 4)
792 val = (ip_hdr(skb)->protocol == IPPROTO_UDP);
793 else if (ip_hdr(skb)->version == 6)
794 val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_UDP);
799 static inline bool is_ipv4_pkt(struct sk_buff *skb)
801 return skb->protocol == htons(ETH_P_IP) && ip_hdr(skb)->version == 4;
804 #define BE_ERROR_EEH 1
805 #define BE_ERROR_UE BIT(1)
806 #define BE_ERROR_FW BIT(2)
807 #define BE_ERROR_HW (BE_ERROR_EEH | BE_ERROR_UE)
808 #define BE_ERROR_ANY (BE_ERROR_EEH | BE_ERROR_UE | BE_ERROR_FW)
809 #define BE_CLEAR_ALL 0xFF
811 static inline u8 be_check_error(struct be_adapter *adapter, u32 err_type)
813 return (adapter->err_flags & err_type);
816 static inline void be_set_error(struct be_adapter *adapter, int err_type)
818 struct net_device *netdev = adapter->netdev;
820 adapter->err_flags |= err_type;
821 netif_carrier_off(netdev);
823 dev_info(&adapter->pdev->dev, "%s: Link down\n", netdev->name);
826 static inline void be_clear_error(struct be_adapter *adapter, int err_type)
828 adapter->err_flags &= ~err_type;
831 static inline bool be_multi_rxq(const struct be_adapter *adapter)
833 return adapter->num_rx_qs > 1;
836 void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm,
838 void be_link_status_update(struct be_adapter *adapter, u8 link_status);
839 void be_parse_stats(struct be_adapter *adapter);
840 int be_load_fw(struct be_adapter *adapter, u8 *func);
841 bool be_is_wol_supported(struct be_adapter *adapter);
842 bool be_pause_supported(struct be_adapter *adapter);
843 u32 be_get_fw_log_level(struct be_adapter *adapter);
844 int be_update_queues(struct be_adapter *adapter);
845 int be_poll(struct napi_struct *napi, int budget);
846 void be_eqd_update(struct be_adapter *adapter, bool force_update);
849 * internal function to initialize-cleanup roce device.
851 void be_roce_dev_add(struct be_adapter *);
852 void be_roce_dev_remove(struct be_adapter *);
855 * internal function to open-close roce device during ifup-ifdown.
857 void be_roce_dev_shutdown(struct be_adapter *);