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 "10.6.0.2"
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
109 #define RSS_INDIR_TABLE_LEN 128
110 #define RSS_HASH_KEY_LEN 40
118 struct be_queue_info {
119 struct be_dma_mem dma_mem;
121 u16 entry_size; /* Size of an element in the queue */
125 atomic_t used; /* Number of valid elements in the queue */
128 static inline u32 MODULO(u16 val, u16 limit)
130 BUG_ON(limit & (limit - 1));
131 return val & (limit - 1);
134 static inline void index_adv(u16 *index, u16 val, u16 limit)
136 *index = MODULO((*index + val), limit);
139 static inline void index_inc(u16 *index, u16 limit)
141 *index = MODULO((*index + 1), limit);
144 static inline void *queue_head_node(struct be_queue_info *q)
146 return q->dma_mem.va + q->head * q->entry_size;
149 static inline void *queue_tail_node(struct be_queue_info *q)
151 return q->dma_mem.va + q->tail * q->entry_size;
154 static inline void *queue_index_node(struct be_queue_info *q, u16 index)
156 return q->dma_mem.va + index * q->entry_size;
159 static inline void queue_head_inc(struct be_queue_info *q)
161 index_inc(&q->head, q->len);
164 static inline void index_dec(u16 *index, u16 limit)
166 *index = MODULO((*index - 1), limit);
169 static inline void queue_tail_inc(struct be_queue_info *q)
171 index_inc(&q->tail, q->len);
175 struct be_queue_info q;
178 /* Adaptive interrupt coalescing (AIC) info */
180 u32 min_eqd; /* in usecs */
181 u32 max_eqd; /* in usecs */
182 u32 eqd; /* configured val when aic is off */
183 u32 cur_eqd; /* in usecs */
185 u8 idx; /* array index */
188 struct napi_struct napi;
189 struct be_adapter *adapter;
190 cpumask_var_t affinity_mask;
192 #ifdef CONFIG_NET_RX_BUSY_POLL
194 #define BE_EQ_NAPI 1 /* napi owns this EQ */
195 #define BE_EQ_POLL 2 /* poll owns this EQ */
196 #define BE_EQ_LOCKED (BE_EQ_NAPI | BE_EQ_POLL)
197 #define BE_EQ_NAPI_YIELD 4 /* napi yielded this EQ */
198 #define BE_EQ_POLL_YIELD 8 /* poll yielded this EQ */
199 #define BE_EQ_YIELD (BE_EQ_NAPI_YIELD | BE_EQ_POLL_YIELD)
200 #define BE_EQ_USER_PEND (BE_EQ_POLL | BE_EQ_POLL_YIELD)
202 spinlock_t lock; /* lock to serialize napi and busy-poll */
203 #endif /* CONFIG_NET_RX_BUSY_POLL */
204 } ____cacheline_aligned_in_smp;
206 struct be_aic_obj { /* Adaptive interrupt coalescing (AIC) info */
208 u32 min_eqd; /* in usecs */
209 u32 max_eqd; /* in usecs */
210 u32 prev_eqd; /* in usecs */
211 u32 et_eqd; /* configured val when aic is off */
213 u64 rx_pkts_prev; /* Used to calculate RX pps */
214 u64 tx_reqs_prev; /* Used to calculate TX pps */
223 struct be_queue_info q;
224 struct be_queue_info cq;
235 u32 tx_drv_drops; /* pkts dropped by driver */
236 /* the error counters are described in be_ethtool.c */
237 u32 tx_hdr_parse_err;
240 u32 tx_spoof_check_err;
242 u32 tx_internal_parity_err;
243 struct u64_stats_sync sync;
244 struct u64_stats_sync sync_compl;
247 /* Structure to hold some data of interest obtained from a TX CQE */
248 struct be_tx_compl_info {
249 u8 status; /* Completion status */
250 u16 end_index; /* Completed TXQ Index */
255 struct be_queue_info q;
256 struct be_queue_info cq;
257 struct be_tx_compl_info txcp;
258 /* Remember the skbs that were transmitted */
259 struct sk_buff *sent_skb_list[TX_Q_LEN];
260 struct be_tx_stats stats;
261 u16 pend_wrb_cnt; /* Number of WRBs yet to be given to HW */
262 u16 last_req_wrb_cnt; /* wrb cnt of the last req in the Q */
263 u16 last_req_hdr; /* index of the last req's hdr-wrb */
264 } ____cacheline_aligned_in_smp;
266 /* Struct to remember the pages posted for rx frags */
267 struct be_rx_page_info {
269 /* set to page-addr for last frag of the page & frag-addr otherwise */
270 DEFINE_DMA_UNMAP_ADDR(bus);
272 bool last_frag; /* last frag of the page */
278 u32 rx_drops_no_skbs; /* skb allocation errors */
279 u32 rx_drops_no_frags; /* HW has no fetched frags */
280 u32 rx_post_fail; /* page post alloc failures */
283 u32 rx_compl_err; /* completions with err set */
284 struct u64_stats_sync sync;
287 struct be_rx_compl_info {
308 struct be_adapter *adapter;
309 struct be_queue_info q;
310 struct be_queue_info cq;
311 struct be_rx_compl_info rxcp;
312 struct be_rx_page_info page_info_tbl[RX_Q_LEN];
313 struct be_rx_stats stats;
315 bool rx_post_starved; /* Zero rx frags have been posted to BE */
316 } ____cacheline_aligned_in_smp;
318 struct be_drv_stats {
321 u32 rx_drops_no_pbuf;
322 u32 rx_drops_no_txpb;
323 u32 rx_drops_no_erx_descr;
324 u32 rx_drops_no_tpre_descr;
325 u32 rx_drops_too_many_frags;
326 u32 forwarded_packets;
329 u32 rx_alignment_symbol_errors;
331 u32 rx_priority_pause_frames;
332 u32 rx_control_frames;
333 u32 rx_in_range_errors;
334 u32 rx_out_range_errors;
335 u32 rx_frame_too_long;
336 u32 rx_address_filtered;
337 u32 rx_dropped_too_small;
338 u32 rx_dropped_too_short;
339 u32 rx_dropped_header_too_small;
340 u32 rx_dropped_tcp_length;
342 u32 rx_ip_checksum_errs;
343 u32 rx_tcp_checksum_errs;
344 u32 rx_udp_checksum_errs;
346 u32 tx_priority_pauseframes;
347 u32 tx_controlframes;
348 u32 rxpp_fifo_overflow_drop;
349 u32 rx_input_fifo_overflow_drop;
350 u32 pmem_fifo_overflow_drop;
352 u32 rx_roce_bytes_lsd;
353 u32 rx_roce_bytes_msd;
355 u32 roce_drops_payload_len;
359 /* A vlan-id of 0xFFFF must be used to clear transparent vlan-tagging */
360 #define BE_RESET_VLAN_TAG_ID 0xFFFF
363 unsigned char mac_addr[ETH_ALEN];
378 #define BE_FLAGS_LINK_STATUS_INIT BIT(1)
379 #define BE_FLAGS_SRIOV_ENABLED BIT(2)
380 #define BE_FLAGS_WORKER_SCHEDULED BIT(3)
381 #define BE_FLAGS_NAPI_ENABLED BIT(6)
382 #define BE_FLAGS_QNQ_ASYNC_EVT_RCVD BIT(7)
383 #define BE_FLAGS_VXLAN_OFFLOADS BIT(8)
384 #define BE_FLAGS_SETUP_DONE BIT(9)
385 #define BE_FLAGS_EVT_INCOMPATIBLE_SFP BIT(10)
386 #define BE_FLAGS_ERR_DETECTION_SCHEDULED BIT(11)
387 #define BE_FLAGS_OS2BMC BIT(12)
389 #define BE_UC_PMAC_COUNT 30
390 #define BE_VF_UC_PMAC_COUNT 2
392 /* Ethtool set_dump flags */
393 #define LANCER_INITIATE_FW_DUMP 0x1
394 #define LANCER_DELETE_FW_DUMP 0x2
397 /* From SFF-8472 spec */
398 #define SFP_VENDOR_NAME_LEN 17
406 u16 auto_speeds_supported;
407 u16 fixed_speeds_supported;
412 u8 vendor_name[SFP_VENDOR_NAME_LEN];
413 u8 vendor_pn[SFP_VENDOR_NAME_LEN];
416 struct be_resources {
417 u16 max_vfs; /* Total VFs "really" supported by FW/HW */
423 u16 max_uc_mac; /* Max UC MACs programmable */
424 u16 max_vlans; /* Number of vlans supported */
429 u32 vf_if_cap_flags; /* VF if capability flags */
432 #define be_is_os2bmc_enabled(adapter) (adapter->flags & BE_FLAGS_OS2BMC)
436 u8 rsstable[RSS_INDIR_TABLE_LEN];
437 u8 rss_queue[RSS_INDIR_TABLE_LEN];
438 u8 rss_hkey[RSS_HASH_KEY_LEN];
441 #define BE_INVALID_DIE_TEMP 0xFF
443 struct device *hwmon_dev;
444 u8 be_on_die_temp; /* Unit: millidegree Celsius */
447 /* Macros to read/write the 'features' word of be_wrb_params structure.
449 #define BE_WRB_F_BIT(name) BE_WRB_F_##name##_BIT
450 #define BE_WRB_F_MASK(name) BIT_MASK(BE_WRB_F_##name##_BIT)
452 #define BE_WRB_F_GET(word, name) \
453 (((word) & (BE_WRB_F_MASK(name))) >> BE_WRB_F_BIT(name))
455 #define BE_WRB_F_SET(word, name, val) \
456 ((word) |= (((val) << BE_WRB_F_BIT(name)) & BE_WRB_F_MASK(name)))
458 /* Feature/offload bits */
460 BE_WRB_F_CRC_BIT, /* Ethernet CRC */
461 BE_WRB_F_IPCS_BIT, /* IP csum */
462 BE_WRB_F_TCPCS_BIT, /* TCP csum */
463 BE_WRB_F_UDPCS_BIT, /* UDP csum */
464 BE_WRB_F_LSO_BIT, /* LSO */
465 BE_WRB_F_LSO6_BIT, /* LSO6 */
466 BE_WRB_F_VLAN_BIT, /* VLAN */
467 BE_WRB_F_VLAN_SKIP_HW_BIT, /* Skip VLAN tag (workaround) */
468 BE_WRB_F_OS2BMC_BIT /* Send packet to the management ring */
471 /* The structure below provides a HW-agnostic abstraction of WRB params
472 * retrieved from a TX skb. This is in turn passed to chip specific routines
473 * during transmit, to set the corresponding params in the WRB.
475 struct be_wrb_params {
476 u32 features; /* Feature bits */
477 u16 vlan_tag; /* VLAN tag */
478 u16 lso_mss; /* MSS for LSO */
482 struct pci_dev *pdev;
483 struct net_device *netdev;
485 u8 __iomem *csr; /* CSR BAR used only for BE2/3 */
486 u8 __iomem *db; /* Door Bell */
487 u8 __iomem *pcicfg; /* On SH,BEx only. Shadow of PCI config space */
489 struct mutex mbox_lock; /* For serializing mbox cmds to BE card */
490 struct be_dma_mem mbox_mem;
491 /* Mbox mem is adjusted to align to 16 bytes. The allocated addr
492 * is stored for freeing purpose */
493 struct be_dma_mem mbox_mem_alloced;
495 struct be_mcc_obj mcc_obj;
496 spinlock_t mcc_lock; /* For serializing mcc cmds to BE card */
497 spinlock_t mcc_cq_lock;
499 u16 cfg_num_qs; /* configured via set-channels */
502 struct be_eq_obj eq_obj[MAX_EVT_QS];
503 struct msix_entry msix_entries[MAX_MSIX_VECTORS];
508 struct be_tx_obj tx_obj[MAX_TX_QS];
514 struct be_rx_obj rx_obj[MAX_RX_QS];
515 u32 big_page_size; /* Compounded page size shared by rx wrbs */
517 struct be_drv_stats drv_stats;
518 struct be_aic_obj aic_obj[MAX_EVT_QS];
519 u8 vlan_prio_bmap; /* Available Priority BitMap */
520 u16 recommended_prio; /* Recommended Priority */
521 struct be_dma_mem rx_filter; /* Cmd DMA mem for rx-filter */
523 struct be_dma_mem stats_cmd;
524 /* Work queue used to perform periodic tasks like getting statistics */
525 struct delayed_work work;
528 struct delayed_work be_err_detection_work;
532 /* Ethtool knobs and info */
533 char fw_ver[FW_VER_LEN];
534 char fw_on_flash[FW_VER_LEN];
536 /* IFACE filtering fields */
537 int if_handle; /* Used to configure filtering */
538 u32 if_flags; /* Interface filtering flags */
539 u32 *pmac_id; /* MAC addr handle used by BE card */
540 u32 uc_macs; /* Count of secondary UC MAC programmed */
541 unsigned long vids[BITS_TO_LONGS(VLAN_N_VID)];
544 u32 beacon_state; /* for set_phys_id */
555 u32 rx_fc; /* Rx flow control */
556 u32 tx_fc; /* Tx flow control */
563 u32 num_msix_roce_vec;
564 struct ocrdma_dev *ocrdma_dev;
565 struct list_head entry;
568 struct completion et_cmd_compl;
570 struct be_resources pool_res; /* resources available for the port */
571 struct be_resources res; /* resources available for the func */
572 u16 num_vfs; /* Number of VFs provisioned by PF */
574 struct be_vf_cfg *vf_cfg;
580 int vxlan_port_count;
587 int be_get_temp_freq;
588 struct be_hwmon hwmon_info;
590 struct rss_info rss_info;
591 /* Filters for packets that need to be sent to BMC */
595 #define be_physfn(adapter) (!adapter->virtfn)
596 #define be_virtfn(adapter) (adapter->virtfn)
597 #define sriov_enabled(adapter) (adapter->flags & \
598 BE_FLAGS_SRIOV_ENABLED)
600 #define for_all_vfs(adapter, vf_cfg, i) \
601 for (i = 0, vf_cfg = &adapter->vf_cfg[i]; i < adapter->num_vfs; \
607 #define be_max_vlans(adapter) (adapter->res.max_vlans)
608 #define be_max_uc(adapter) (adapter->res.max_uc_mac)
609 #define be_max_mc(adapter) (adapter->res.max_mcast_mac)
610 #define be_max_vfs(adapter) (adapter->pool_res.max_vfs)
611 #define be_max_rss(adapter) (adapter->res.max_rss_qs)
612 #define be_max_txqs(adapter) (adapter->res.max_tx_qs)
613 #define be_max_prio_txqs(adapter) (adapter->res.max_prio_tx_qs)
614 #define be_max_rxqs(adapter) (adapter->res.max_rx_qs)
615 #define be_max_eqs(adapter) (adapter->res.max_evt_qs)
616 #define be_if_cap_flags(adapter) (adapter->res.if_cap_flags)
618 static inline u16 be_max_qs(struct be_adapter *adapter)
620 /* If no RSS, need atleast the one def RXQ */
621 u16 num = max_t(u16, be_max_rss(adapter), 1);
623 num = min(num, be_max_eqs(adapter));
624 return min_t(u16, num, num_online_cpus());
627 /* Is BE in pvid_tagging mode */
628 #define be_pvid_tagging_enabled(adapter) (adapter->pvid)
630 /* Is BE in QNQ multi-channel mode */
631 #define be_is_qnq_mode(adapter) (adapter->function_mode & QNQ_MODE)
633 #define lancer_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID3 || \
634 adapter->pdev->device == OC_DEVICE_ID4)
636 #define skyhawk_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID5 || \
637 adapter->pdev->device == OC_DEVICE_ID6)
639 #define BE3_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID2 || \
640 adapter->pdev->device == OC_DEVICE_ID2)
642 #define BE2_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID1 || \
643 adapter->pdev->device == OC_DEVICE_ID1)
645 #define BEx_chip(adapter) (BE3_chip(adapter) || BE2_chip(adapter))
647 #define be_roce_supported(adapter) (skyhawk_chip(adapter) && \
648 (adapter->function_mode & RDMA_ENABLED))
650 extern const struct ethtool_ops be_ethtool_ops;
652 #define msix_enabled(adapter) (adapter->num_msix_vec > 0)
653 #define num_irqs(adapter) (msix_enabled(adapter) ? \
654 adapter->num_msix_vec : 1)
655 #define tx_stats(txo) (&(txo)->stats)
656 #define rx_stats(rxo) (&(rxo)->stats)
658 /* The default RXQ is the last RXQ */
659 #define default_rxo(adpt) (&adpt->rx_obj[adpt->num_rx_qs - 1])
661 #define for_all_rx_queues(adapter, rxo, i) \
662 for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs; \
665 #define for_all_rss_queues(adapter, rxo, i) \
666 for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rss_qs; \
669 #define for_all_tx_queues(adapter, txo, i) \
670 for (i = 0, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs; \
673 #define for_all_evt_queues(adapter, eqo, i) \
674 for (i = 0, eqo = &adapter->eq_obj[i]; i < adapter->num_evt_qs; \
677 #define for_all_rx_queues_on_eq(adapter, eqo, rxo, i) \
678 for (i = eqo->idx, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs;\
679 i += adapter->num_evt_qs, rxo += adapter->num_evt_qs)
681 #define for_all_tx_queues_on_eq(adapter, eqo, txo, i) \
682 for (i = eqo->idx, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs;\
683 i += adapter->num_evt_qs, txo += adapter->num_evt_qs)
685 #define is_mcc_eqo(eqo) (eqo->idx == 0)
686 #define mcc_eqo(adapter) (&adapter->eq_obj[0])
688 #define PAGE_SHIFT_4K 12
689 #define PAGE_SIZE_4K (1 << PAGE_SHIFT_4K)
691 /* Returns number of pages spanned by the data starting at the given addr */
692 #define PAGES_4K_SPANNED(_address, size) \
693 ((u32)((((size_t)(_address) & (PAGE_SIZE_4K - 1)) + \
694 (size) + (PAGE_SIZE_4K - 1)) >> PAGE_SHIFT_4K))
696 /* Returns bit offset within a DWORD of a bitfield */
697 #define AMAP_BIT_OFFSET(_struct, field) \
698 (((size_t)&(((_struct *)0)->field))%32)
700 /* Returns the bit mask of the field that is NOT shifted into location. */
701 static inline u32 amap_mask(u32 bitsize)
703 return (bitsize == 32 ? 0xFFFFFFFF : (1 << bitsize) - 1);
707 amap_set(void *ptr, u32 dw_offset, u32 mask, u32 offset, u32 value)
709 u32 *dw = (u32 *) ptr + dw_offset;
710 *dw &= ~(mask << offset);
711 *dw |= (mask & value) << offset;
714 #define AMAP_SET_BITS(_struct, field, ptr, val) \
716 offsetof(_struct, field)/32, \
717 amap_mask(sizeof(((_struct *)0)->field)), \
718 AMAP_BIT_OFFSET(_struct, field), \
721 static inline u32 amap_get(void *ptr, u32 dw_offset, u32 mask, u32 offset)
723 u32 *dw = (u32 *) ptr;
724 return mask & (*(dw + dw_offset) >> offset);
727 #define AMAP_GET_BITS(_struct, field, ptr) \
729 offsetof(_struct, field)/32, \
730 amap_mask(sizeof(((_struct *)0)->field)), \
731 AMAP_BIT_OFFSET(_struct, field))
733 #define GET_RX_COMPL_V0_BITS(field, ptr) \
734 AMAP_GET_BITS(struct amap_eth_rx_compl_v0, field, ptr)
736 #define GET_RX_COMPL_V1_BITS(field, ptr) \
737 AMAP_GET_BITS(struct amap_eth_rx_compl_v1, field, ptr)
739 #define GET_TX_COMPL_BITS(field, ptr) \
740 AMAP_GET_BITS(struct amap_eth_tx_compl, field, ptr)
742 #define SET_TX_WRB_HDR_BITS(field, ptr, val) \
743 AMAP_SET_BITS(struct amap_eth_hdr_wrb, field, ptr, val)
745 #define be_dws_cpu_to_le(wrb, len) swap_dws(wrb, len)
746 #define be_dws_le_to_cpu(wrb, len) swap_dws(wrb, len)
747 static inline void swap_dws(void *wrb, int len)
753 *dw = cpu_to_le32(*dw);
757 #endif /* __BIG_ENDIAN */
760 #define be_cmd_status(status) (status > 0 ? -EIO : status)
762 static inline u8 is_tcp_pkt(struct sk_buff *skb)
766 if (ip_hdr(skb)->version == 4)
767 val = (ip_hdr(skb)->protocol == IPPROTO_TCP);
768 else if (ip_hdr(skb)->version == 6)
769 val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_TCP);
774 static inline u8 is_udp_pkt(struct sk_buff *skb)
778 if (ip_hdr(skb)->version == 4)
779 val = (ip_hdr(skb)->protocol == IPPROTO_UDP);
780 else if (ip_hdr(skb)->version == 6)
781 val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_UDP);
786 static inline bool is_ipv4_pkt(struct sk_buff *skb)
788 return skb->protocol == htons(ETH_P_IP) && ip_hdr(skb)->version == 4;
791 #define BE_ERROR_EEH 1
792 #define BE_ERROR_UE BIT(1)
793 #define BE_ERROR_FW BIT(2)
794 #define BE_ERROR_HW (BE_ERROR_EEH | BE_ERROR_UE)
795 #define BE_ERROR_ANY (BE_ERROR_EEH | BE_ERROR_UE | BE_ERROR_FW)
796 #define BE_CLEAR_ALL 0xFF
798 static inline u8 be_check_error(struct be_adapter *adapter, u32 err_type)
800 return (adapter->err_flags & err_type);
803 static inline void be_set_error(struct be_adapter *adapter, int err_type)
805 struct net_device *netdev = adapter->netdev;
807 adapter->err_flags |= err_type;
808 netif_carrier_off(netdev);
810 dev_info(&adapter->pdev->dev, "%s: Link down\n", netdev->name);
813 static inline void be_clear_error(struct be_adapter *adapter, int err_type)
815 adapter->err_flags &= ~err_type;
818 static inline bool be_multi_rxq(const struct be_adapter *adapter)
820 return adapter->num_rx_qs > 1;
823 void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm,
825 void be_link_status_update(struct be_adapter *adapter, u8 link_status);
826 void be_parse_stats(struct be_adapter *adapter);
827 int be_load_fw(struct be_adapter *adapter, u8 *func);
828 bool be_is_wol_supported(struct be_adapter *adapter);
829 bool be_pause_supported(struct be_adapter *adapter);
830 u32 be_get_fw_log_level(struct be_adapter *adapter);
831 int be_update_queues(struct be_adapter *adapter);
832 int be_poll(struct napi_struct *napi, int budget);
833 void be_eqd_update(struct be_adapter *adapter, bool force_update);
836 * internal function to initialize-cleanup roce device.
838 void be_roce_dev_add(struct be_adapter *);
839 void be_roce_dev_remove(struct be_adapter *);
842 * internal function to open-close roce device during ifup-ifdown.
844 void be_roce_dev_open(struct be_adapter *);
845 void be_roce_dev_close(struct be_adapter *);
846 void be_roce_dev_shutdown(struct be_adapter *);