1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * Copyright (C) 2005 - 2016 Broadcom
4 * All rights reserved.
5 *
6 * Contact Information:
7 * linux-drivers@emulex.com
8 *
9 * Emulex
10 * 3333 Susan Street
11 * Costa Mesa, CA 92626
12 */
13
14 #ifndef BE_H
15 #define BE_H
16
17 #include <linux/pci.h>
18 #include <linux/etherdevice.h>
19 #include <linux/delay.h>
20 #include <net/tcp.h>
21 #include <net/ip.h>
22 #include <net/ipv6.h>
23 #include <linux/if_vlan.h>
24 #include <linux/workqueue.h>
25 #include <linux/interrupt.h>
26 #include <linux/firmware.h>
27 #include <linux/slab.h>
28 #include <linux/u64_stats_sync.h>
29 #include <linux/cpumask.h>
30 #include <linux/hwmon.h>
31 #include <linux/hwmon-sysfs.h>
32
33 #include "be_hw.h"
34 #include "be_roce.h"
35
36 #define DRV_VER "12.0.0.0"
37 #define DRV_NAME "be2net"
38 #define BE_NAME "Emulex BladeEngine2"
39 #define BE3_NAME "Emulex BladeEngine3"
40 #define OC_NAME "Emulex OneConnect"
41 #define OC_NAME_BE OC_NAME "(be3)"
42 #define OC_NAME_LANCER OC_NAME "(Lancer)"
43 #define OC_NAME_SH OC_NAME "(Skyhawk)"
44 #define DRV_DESC "Emulex OneConnect NIC Driver"
45
46 #define BE_VENDOR_ID 0x19a2
47 #define EMULEX_VENDOR_ID 0x10df
48 #define BE_DEVICE_ID1 0x211
49 #define BE_DEVICE_ID2 0x221
50 #define OC_DEVICE_ID1 0x700 /* Device Id for BE2 cards */
51 #define OC_DEVICE_ID2 0x710 /* Device Id for BE3 cards */
52 #define OC_DEVICE_ID3 0xe220 /* Device id for Lancer cards */
53 #define OC_DEVICE_ID4 0xe228 /* Device id for VF in Lancer */
54 #define OC_DEVICE_ID5 0x720 /* Device Id for Skyhawk cards */
55 #define OC_DEVICE_ID6 0x728 /* Device id for VF in SkyHawk */
56 #define OC_SUBSYS_DEVICE_ID1 0xE602
57 #define OC_SUBSYS_DEVICE_ID2 0xE642
58 #define OC_SUBSYS_DEVICE_ID3 0xE612
59 #define OC_SUBSYS_DEVICE_ID4 0xE652
60
61 /* Number of bytes of an RX frame that are copied to skb->data */
62 #define BE_HDR_LEN ((u16) 64)
63 /* allocate extra space to allow tunneling decapsulation without head reallocation */
64 #define BE_RX_SKB_ALLOC_SIZE 256
65
66 #define BE_MAX_JUMBO_FRAME_SIZE 9018
67 #define BE_MIN_MTU 256
68 #define BE_MAX_MTU (BE_MAX_JUMBO_FRAME_SIZE - \
69 (ETH_HLEN + ETH_FCS_LEN))
70
71 /* Accommodate for QnQ configurations where VLAN insertion is enabled in HW */
72 #define BE_MAX_GSO_SIZE (65535 - 2 * VLAN_HLEN)
73
74 #define BE_NUM_VLANS_SUPPORTED 64
75 #define BE_MAX_EQD 128u
76 #define BE_MAX_TX_FRAG_COUNT 30
77
78 #define EVNT_Q_LEN 1024
79 #define TX_Q_LEN 2048
80 #define TX_CQ_LEN 1024
81 #define RX_Q_LEN 1024 /* Does not support any other value */
82 #define RX_CQ_LEN 1024
83 #define MCC_Q_LEN 128 /* total size not to exceed 8 pages */
84 #define MCC_CQ_LEN 256
85
86 #define BE2_MAX_RSS_QS 4
87 #define BE3_MAX_RSS_QS 16
88 #define BE3_MAX_TX_QS 16
89 #define BE3_MAX_EVT_QS 16
90 #define BE3_SRIOV_MAX_EVT_QS 8
91 #define SH_VF_MAX_NIC_EQS 3 /* Skyhawk VFs can have a max of 4 EQs
92 * and at least 1 is granted to either
93 * SURF/DPDK
94 */
95
96 #define MAX_PORT_RSS_TABLES 15
97 #define MAX_NIC_FUNCS 16
98 #define MAX_RX_QS 32
99 #define MAX_EVT_QS 32
100 #define MAX_TX_QS 32
101
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
109
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 */
114
115 #define RSS_INDIR_TABLE_LEN 128
116 #define RSS_HASH_KEY_LEN 40
117
118 #define BE_UNKNOWN_PHY_STATE 0xFF
119
120 struct be_dma_mem {
121 void *va;
122 dma_addr_t dma;
123 u32 size;
124 };
125
126 struct be_queue_info {
127 u32 len;
128 u32 entry_size; /* Size of an element in the queue */
129 u32 tail, head;
130 atomic_t used; /* Number of valid elements in the queue */
131 u32 id;
132 struct be_dma_mem dma_mem;
133 bool created;
134 };
135
MODULO(u32 val,u32 limit)136 static inline u32 MODULO(u32 val, u32 limit)
137 {
138 BUG_ON(limit & (limit - 1));
139 return val & (limit - 1);
140 }
141
index_adv(u32 * index,u32 val,u32 limit)142 static inline void index_adv(u32 *index, u32 val, u32 limit)
143 {
144 *index = MODULO((*index + val), limit);
145 }
146
index_inc(u32 * index,u32 limit)147 static inline void index_inc(u32 *index, u32 limit)
148 {
149 *index = MODULO((*index + 1), limit);
150 }
151
queue_head_node(struct be_queue_info * q)152 static inline void *queue_head_node(struct be_queue_info *q)
153 {
154 return q->dma_mem.va + q->head * q->entry_size;
155 }
156
queue_tail_node(struct be_queue_info * q)157 static inline void *queue_tail_node(struct be_queue_info *q)
158 {
159 return q->dma_mem.va + q->tail * q->entry_size;
160 }
161
queue_index_node(struct be_queue_info * q,u16 index)162 static inline void *queue_index_node(struct be_queue_info *q, u16 index)
163 {
164 return q->dma_mem.va + index * q->entry_size;
165 }
166
queue_head_inc(struct be_queue_info * q)167 static inline void queue_head_inc(struct be_queue_info *q)
168 {
169 index_inc(&q->head, q->len);
170 }
171
index_dec(u32 * index,u32 limit)172 static inline void index_dec(u32 *index, u32 limit)
173 {
174 *index = MODULO((*index - 1), limit);
175 }
176
queue_tail_inc(struct be_queue_info * q)177 static inline void queue_tail_inc(struct be_queue_info *q)
178 {
179 index_inc(&q->tail, q->len);
180 }
181
182 struct be_eq_obj {
183 struct be_queue_info q;
184 char desc[32];
185
186 struct be_adapter *adapter;
187 struct napi_struct napi;
188 u8 idx; /* array index */
189 u8 msix_idx;
190 u16 spurious_intr;
191 cpumask_var_t affinity_mask;
192 } ____cacheline_aligned_in_smp;
193
194 struct be_aic_obj { /* Adaptive interrupt coalescing (AIC) info */
195 u32 min_eqd; /* in usecs */
196 u32 max_eqd; /* in usecs */
197 u32 prev_eqd; /* in usecs */
198 u32 et_eqd; /* configured val when aic is off */
199 ulong jiffies;
200 u64 rx_pkts_prev; /* Used to calculate RX pps */
201 u64 tx_reqs_prev; /* Used to calculate TX pps */
202 };
203
204 struct be_mcc_obj {
205 struct be_queue_info q;
206 struct be_queue_info cq;
207 bool rearm_cq;
208 };
209
210 struct be_tx_stats {
211 u64 tx_bytes;
212 u64 tx_pkts;
213 u64 tx_vxlan_offload_pkts;
214 u64 tx_reqs;
215 u64 tx_compl;
216 u32 tx_stops;
217 u32 tx_drv_drops; /* pkts dropped by driver */
218 /* the error counters are described in be_ethtool.c */
219 u32 tx_hdr_parse_err;
220 u32 tx_dma_err;
221 u32 tx_tso_err;
222 u32 tx_spoof_check_err;
223 u32 tx_qinq_err;
224 u32 tx_internal_parity_err;
225 u32 tx_sge_err;
226 struct u64_stats_sync sync;
227 struct u64_stats_sync sync_compl;
228 };
229
230 /* Structure to hold some data of interest obtained from a TX CQE */
231 struct be_tx_compl_info {
232 u8 status; /* Completion status */
233 u16 end_index; /* Completed TXQ Index */
234 };
235
236 struct be_tx_obj {
237 u32 db_offset;
238 struct be_tx_compl_info txcp;
239 struct be_queue_info q;
240 struct be_queue_info cq;
241 /* Remember the skbs that were transmitted */
242 struct sk_buff *sent_skb_list[TX_Q_LEN];
243 struct be_tx_stats stats;
244 u16 pend_wrb_cnt; /* Number of WRBs yet to be given to HW */
245 u16 last_req_wrb_cnt; /* wrb cnt of the last req in the Q */
246 u16 last_req_hdr; /* index of the last req's hdr-wrb */
247 } ____cacheline_aligned_in_smp;
248
249 /* Struct to remember the pages posted for rx frags */
250 struct be_rx_page_info {
251 struct page *page;
252 /* set to page-addr for last frag of the page & frag-addr otherwise */
253 DEFINE_DMA_UNMAP_ADDR(bus);
254 u16 page_offset;
255 bool last_frag; /* last frag of the page */
256 };
257
258 struct be_rx_stats {
259 u64 rx_bytes;
260 u64 rx_pkts;
261 u64 rx_vxlan_offload_pkts;
262 u32 rx_drops_no_skbs; /* skb allocation errors */
263 u32 rx_drops_no_frags; /* HW has no fetched frags */
264 u32 rx_post_fail; /* page post alloc failures */
265 u32 rx_compl;
266 u32 rx_mcast_pkts;
267 u32 rx_compl_err; /* completions with err set */
268 struct u64_stats_sync sync;
269 };
270
271 struct be_rx_compl_info {
272 u32 rss_hash;
273 u16 vlan_tag;
274 u16 pkt_size;
275 u16 port;
276 u8 vlanf;
277 u8 num_rcvd;
278 u8 err;
279 u8 ipf;
280 u8 tcpf;
281 u8 udpf;
282 u8 ip_csum;
283 u8 l4_csum;
284 u8 ipv6;
285 u8 qnq;
286 u8 pkt_type;
287 u8 ip_frag;
288 u8 tunneled;
289 };
290
291 struct be_rx_obj {
292 struct be_adapter *adapter;
293 struct be_queue_info q;
294 struct be_queue_info cq;
295 struct be_rx_compl_info rxcp;
296 struct be_rx_page_info page_info_tbl[RX_Q_LEN];
297 struct be_rx_stats stats;
298 u8 rss_id;
299 bool rx_post_starved; /* Zero rx frags have been posted to BE */
300 } ____cacheline_aligned_in_smp;
301
302 struct be_drv_stats {
303 u32 eth_red_drops;
304 u32 dma_map_errors;
305 u32 rx_drops_no_pbuf;
306 u32 rx_drops_no_txpb;
307 u32 rx_drops_no_erx_descr;
308 u32 rx_drops_no_tpre_descr;
309 u32 rx_drops_too_many_frags;
310 u32 forwarded_packets;
311 u32 rx_drops_mtu;
312 u32 rx_crc_errors;
313 u32 rx_alignment_symbol_errors;
314 u32 rx_pause_frames;
315 u32 rx_priority_pause_frames;
316 u32 rx_control_frames;
317 u32 rx_in_range_errors;
318 u32 rx_out_range_errors;
319 u32 rx_frame_too_long;
320 u32 rx_address_filtered;
321 u32 rx_dropped_too_small;
322 u32 rx_dropped_too_short;
323 u32 rx_dropped_header_too_small;
324 u32 rx_dropped_tcp_length;
325 u32 rx_dropped_runt;
326 u32 rx_ip_checksum_errs;
327 u32 rx_tcp_checksum_errs;
328 u32 rx_udp_checksum_errs;
329 u32 tx_pauseframes;
330 u32 tx_priority_pauseframes;
331 u32 tx_controlframes;
332 u32 rxpp_fifo_overflow_drop;
333 u32 rx_input_fifo_overflow_drop;
334 u32 pmem_fifo_overflow_drop;
335 u32 jabber_events;
336 u32 rx_roce_bytes_lsd;
337 u32 rx_roce_bytes_msd;
338 u32 rx_roce_frames;
339 u32 roce_drops_payload_len;
340 u32 roce_drops_crc;
341 };
342
343 /* A vlan-id of 0xFFFF must be used to clear transparent vlan-tagging */
344 #define BE_RESET_VLAN_TAG_ID 0xFFFF
345
346 struct be_vf_cfg {
347 unsigned char mac_addr[ETH_ALEN];
348 int if_handle;
349 int pmac_id;
350 u16 vlan_tag;
351 u32 tx_rate;
352 u32 plink_tracking;
353 u32 privileges;
354 bool spoofchk;
355 };
356
357 enum vf_state {
358 ENABLED = 0,
359 ASSIGNED = 1
360 };
361
362 #define BE_FLAGS_LINK_STATUS_INIT BIT(1)
363 #define BE_FLAGS_SRIOV_ENABLED BIT(2)
364 #define BE_FLAGS_WORKER_SCHEDULED BIT(3)
365 #define BE_FLAGS_NAPI_ENABLED BIT(6)
366 #define BE_FLAGS_QNQ_ASYNC_EVT_RCVD BIT(7)
367 #define BE_FLAGS_VXLAN_OFFLOADS BIT(8)
368 #define BE_FLAGS_SETUP_DONE BIT(9)
369 #define BE_FLAGS_PHY_MISCONFIGURED BIT(10)
370 #define BE_FLAGS_ERR_DETECTION_SCHEDULED BIT(11)
371 #define BE_FLAGS_OS2BMC BIT(12)
372 #define BE_FLAGS_TRY_RECOVERY BIT(13)
373
374 #define BE_UC_PMAC_COUNT 30
375 #define BE_VF_UC_PMAC_COUNT 2
376
377 #define MAX_ERR_RECOVERY_RETRY_COUNT 3
378 #define ERR_DETECTION_DELAY 1000
379
380 /* Ethtool set_dump flags */
381 #define LANCER_INITIATE_FW_DUMP 0x1
382 #define LANCER_DELETE_FW_DUMP 0x2
383
384 struct phy_info {
385 /* From SFF-8472 spec */
386 #define SFP_VENDOR_NAME_LEN 17
387 u8 transceiver;
388 u8 autoneg;
389 u8 fc_autoneg;
390 u8 port_type;
391 u16 phy_type;
392 u16 interface_type;
393 u32 misc_params;
394 u16 auto_speeds_supported;
395 u16 fixed_speeds_supported;
396 int link_speed;
397 u32 advertising;
398 u32 supported;
399 u8 cable_type;
400 u8 vendor_name[SFP_VENDOR_NAME_LEN];
401 u8 vendor_pn[SFP_VENDOR_NAME_LEN];
402 };
403
404 struct be_resources {
405 u16 max_vfs; /* Total VFs "really" supported by FW/HW */
406 u16 max_mcast_mac;
407 u16 max_tx_qs;
408 u16 max_rss_qs;
409 u16 max_rx_qs;
410 u16 max_cq_count;
411 u16 max_uc_mac; /* Max UC MACs programmable */
412 u16 max_vlans; /* Number of vlans supported */
413 u16 max_iface_count;
414 u16 max_mcc_count;
415 u16 max_evt_qs;
416 u16 max_nic_evt_qs; /* NIC's share of evt qs */
417 u32 if_cap_flags;
418 u32 vf_if_cap_flags; /* VF if capability flags */
419 u32 flags;
420 /* Calculated PF Pool's share of RSS Tables. This is not enforced by
421 * the FW, but is a self-imposed driver limitation.
422 */
423 u16 max_rss_tables;
424 };
425
426 /* These are port-wide values */
427 struct be_port_resources {
428 u16 max_vfs;
429 u16 nic_pfs;
430 };
431
432 #define be_is_os2bmc_enabled(adapter) (adapter->flags & BE_FLAGS_OS2BMC)
433
434 struct rss_info {
435 u8 rsstable[RSS_INDIR_TABLE_LEN];
436 u8 rss_queue[RSS_INDIR_TABLE_LEN];
437 u8 rss_hkey[RSS_HASH_KEY_LEN];
438 u64 rss_flags;
439 };
440
441 #define BE_INVALID_DIE_TEMP 0xFF
442 struct be_hwmon {
443 struct device *hwmon_dev;
444 u8 be_on_die_temp; /* Unit: millidegree Celsius */
445 };
446
447 /* Macros to read/write the 'features' word of be_wrb_params structure.
448 */
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)
451
452 #define BE_WRB_F_GET(word, name) \
453 (((word) & (BE_WRB_F_MASK(name))) >> BE_WRB_F_BIT(name))
454
455 #define BE_WRB_F_SET(word, name, val) \
456 ((word) |= (((val) << BE_WRB_F_BIT(name)) & BE_WRB_F_MASK(name)))
457
458 /* Feature/offload bits */
459 enum {
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 */
469 };
470
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.
474 */
475 struct be_wrb_params {
476 u32 features; /* Feature bits */
477 u16 vlan_tag; /* VLAN tag */
478 u16 lso_mss; /* MSS for LSO */
479 };
480
481 struct be_eth_addr {
482 unsigned char mac[ETH_ALEN];
483 };
484
485 #define BE_SEC 1000 /* in msec */
486 #define BE_MIN (60 * BE_SEC) /* in msec */
487 #define BE_HOUR (60 * BE_MIN) /* in msec */
488
489 #define ERR_RECOVERY_MAX_RETRY_COUNT 3
490 #define ERR_RECOVERY_DETECTION_DELAY BE_SEC
491 #define ERR_RECOVERY_RETRY_DELAY (30 * BE_SEC)
492
493 /* UE-detection-duration in BEx/Skyhawk:
494 * All PFs must wait for this duration after they detect UE before reading
495 * SLIPORT_SEMAPHORE register. At the end of this duration, the Firmware
496 * guarantees that the SLIPORT_SEMAPHORE register is updated to indicate
497 * if the UE is recoverable.
498 */
499 #define ERR_RECOVERY_UE_DETECT_DURATION BE_SEC
500
501 /* Initial idle time (in msec) to elapse after driver load,
502 * before UE recovery is allowed.
503 */
504 #define ERR_IDLE_HR 24
505 #define ERR_RECOVERY_IDLE_TIME (ERR_IDLE_HR * BE_HOUR)
506
507 /* Time interval (in msec) after which UE recovery can be repeated */
508 #define ERR_INTERVAL_HR 72
509 #define ERR_RECOVERY_INTERVAL (ERR_INTERVAL_HR * BE_HOUR)
510
511 /* BEx/SH UE recovery state machine */
512 enum {
513 ERR_RECOVERY_ST_NONE = 0, /* No Recovery */
514 ERR_RECOVERY_ST_DETECT = 1, /* UE detection duration */
515 ERR_RECOVERY_ST_RESET = 2, /* Reset Phase (PF0 only) */
516 ERR_RECOVERY_ST_PRE_POLL = 3, /* Pre-Poll Phase (all PFs) */
517 ERR_RECOVERY_ST_REINIT = 4 /* Re-initialize Phase */
518 };
519
520 struct be_error_recovery {
521 union {
522 u8 recovery_retries; /* used for Lancer */
523 u8 recovery_state; /* used for BEx and Skyhawk */
524 };
525
526 /* BEx/Skyhawk error recovery variables */
527 bool recovery_supported;
528 u16 ue_to_reset_time; /* Time after UE, to soft reset
529 * the chip - PF0 only
530 */
531 u16 ue_to_poll_time; /* Time after UE, to Restart Polling
532 * of SLIPORT_SEMAPHORE reg
533 */
534 u16 last_err_code;
535 unsigned long probe_time;
536 unsigned long last_recovery_time;
537
538 /* Common to both Lancer & BEx/SH error recovery */
539 u32 resched_delay;
540 struct delayed_work err_detection_work;
541 };
542
543 /* Ethtool priv_flags */
544 #define BE_DISABLE_TPE_RECOVERY 0x1
545
546 struct be_vxlan_port {
547 struct list_head list;
548 __be16 port; /* VxLAN UDP dst port */
549 int port_aliases; /* alias count */
550 };
551
552 struct be_adapter {
553 struct pci_dev *pdev;
554 struct net_device *netdev;
555
556 u8 __iomem *csr; /* CSR BAR used only for BE2/3 */
557 u8 __iomem *db; /* Door Bell */
558 u8 __iomem *pcicfg; /* On SH,BEx only. Shadow of PCI config space */
559
560 struct mutex mbox_lock; /* For serializing mbox cmds to BE card */
561 struct be_dma_mem mbox_mem;
562 /* Mbox mem is adjusted to align to 16 bytes. The allocated addr
563 * is stored for freeing purpose */
564 struct be_dma_mem mbox_mem_alloced;
565
566 struct be_mcc_obj mcc_obj;
567 struct mutex mcc_lock; /* For serializing mcc cmds to BE card */
568 spinlock_t mcc_cq_lock;
569
570 u16 cfg_num_rx_irqs; /* configured via set-channels */
571 u16 cfg_num_tx_irqs; /* configured via set-channels */
572 u16 num_evt_qs;
573 u16 num_msix_vec;
574 struct be_eq_obj eq_obj[MAX_EVT_QS];
575 struct msix_entry msix_entries[MAX_MSIX_VECTORS];
576 bool isr_registered;
577
578 /* TX Rings */
579 u16 num_tx_qs;
580 struct be_tx_obj tx_obj[MAX_TX_QS];
581
582 /* Rx rings */
583 u16 num_rx_qs;
584 u16 num_rss_qs;
585 u16 need_def_rxq;
586 struct be_rx_obj rx_obj[MAX_RX_QS];
587 u32 big_page_size; /* Compounded page size shared by rx wrbs */
588
589 struct be_drv_stats drv_stats;
590 struct be_aic_obj aic_obj[MAX_EVT_QS];
591 bool aic_enabled;
592 u8 vlan_prio_bmap; /* Available Priority BitMap */
593 u16 recommended_prio_bits;/* Recommended Priority bits in vlan tag */
594 struct be_dma_mem rx_filter; /* Cmd DMA mem for rx-filter */
595
596 struct be_dma_mem stats_cmd;
597 /* Work queue used to perform periodic tasks like getting statistics */
598 struct delayed_work work;
599 u16 work_counter;
600
601 u8 recovery_retries;
602 u8 err_flags;
603 bool pcicfg_mapped; /* pcicfg obtained via pci_iomap() */
604 u32 flags;
605 u32 cmd_privileges;
606 /* Ethtool knobs and info */
607 char fw_ver[FW_VER_LEN];
608 char fw_on_flash[FW_VER_LEN];
609
610 /* IFACE filtering fields */
611 int if_handle; /* Used to configure filtering */
612 u32 if_flags; /* Interface filtering flags */
613 u32 *pmac_id; /* MAC addr handle used by BE card */
614 struct be_eth_addr *uc_list;/* list of uc-addrs programmed (not perm) */
615 u32 uc_macs; /* Count of secondary UC MAC programmed */
616 struct be_eth_addr *mc_list;/* list of mcast addrs programmed */
617 u32 mc_count;
618 unsigned long vids[BITS_TO_LONGS(VLAN_N_VID)];
619 u16 vlans_added;
620 bool update_uc_list;
621 bool update_mc_list;
622 struct mutex rx_filter_lock;/* For protecting vids[] & mc/uc_list[] */
623
624 u32 beacon_state; /* for set_phys_id */
625
626 u32 port_num;
627 char port_name;
628 u8 mc_type;
629 u32 function_mode;
630 u32 function_caps;
631 u32 rx_fc; /* Rx flow control */
632 u32 tx_fc; /* Tx flow control */
633 bool stats_cmd_sent;
634 struct {
635 u32 size;
636 u32 total_size;
637 u64 io_addr;
638 } roce_db;
639 u32 num_msix_roce_vec;
640 struct ocrdma_dev *ocrdma_dev;
641 struct list_head entry;
642
643 u32 flash_status;
644 struct completion et_cmd_compl;
645
646 struct be_resources pool_res; /* resources available for the port */
647 struct be_resources res; /* resources available for the func */
648 u16 num_vfs; /* Number of VFs provisioned by PF */
649 u8 pf_num; /* Numbering used by FW, starts at 0 */
650 u8 vf_num; /* Numbering used by FW, starts at 1 */
651 u8 virtfn;
652 struct be_vf_cfg *vf_cfg;
653 bool be3_native;
654 u32 sli_family;
655 u8 hba_port_num;
656 u16 pvid;
657 __be16 vxlan_port; /* offloaded vxlan port num */
658 int vxlan_port_count; /* active vxlan port count */
659 struct list_head vxlan_port_list; /* vxlan port list */
660 struct phy_info phy;
661 u8 wol_cap;
662 bool wol_en;
663 u16 asic_rev;
664 u16 qnq_vid;
665 u32 msg_enable;
666 int be_get_temp_freq;
667 struct be_hwmon hwmon_info;
668 struct rss_info rss_info;
669 /* Filters for packets that need to be sent to BMC */
670 u32 bmc_filt_mask;
671 u32 fat_dump_len;
672 u16 serial_num[CNTL_SERIAL_NUM_WORDS];
673 u8 phy_state; /* state of sfp optics (functional, faulted, etc.,) */
674 u8 dev_mac[ETH_ALEN];
675 u32 priv_flags; /* ethtool get/set_priv_flags() */
676 struct be_error_recovery error_recovery;
677 };
678
679 /* Used for defered FW config cmds. Add fields to this struct as reqd */
680 struct be_cmd_work {
681 struct work_struct work;
682 struct be_adapter *adapter;
683 union {
684 __be16 vxlan_port;
685 } info;
686 };
687
688 #define be_physfn(adapter) (!adapter->virtfn)
689 #define be_virtfn(adapter) (adapter->virtfn)
690 #define sriov_enabled(adapter) (adapter->flags & \
691 BE_FLAGS_SRIOV_ENABLED)
692
693 #define for_all_vfs(adapter, vf_cfg, i) \
694 for (i = 0, vf_cfg = &adapter->vf_cfg[i]; i < adapter->num_vfs; \
695 i++, vf_cfg++)
696
697 #define ON 1
698 #define OFF 0
699
700 #define be_max_vlans(adapter) (adapter->res.max_vlans)
701 #define be_max_uc(adapter) (adapter->res.max_uc_mac)
702 #define be_max_mc(adapter) (adapter->res.max_mcast_mac)
703 #define be_max_vfs(adapter) (adapter->pool_res.max_vfs)
704 #define be_max_rss(adapter) (adapter->res.max_rss_qs)
705 #define be_max_txqs(adapter) (adapter->res.max_tx_qs)
706 #define be_max_prio_txqs(adapter) (adapter->res.max_prio_tx_qs)
707 #define be_max_rxqs(adapter) (adapter->res.max_rx_qs)
708 /* Max number of EQs available for the function (NIC + RoCE (if enabled)) */
709 #define be_max_func_eqs(adapter) (adapter->res.max_evt_qs)
710 /* Max number of EQs available avaialble only for NIC */
711 #define be_max_nic_eqs(adapter) (adapter->res.max_nic_evt_qs)
712 #define be_if_cap_flags(adapter) (adapter->res.if_cap_flags)
713 #define be_max_pf_pool_rss_tables(adapter) \
714 (adapter->pool_res.max_rss_tables)
715 /* Max irqs avaialble for NIC */
716 #define be_max_irqs(adapter) \
717 (min_t(u16, be_max_nic_eqs(adapter), num_online_cpus()))
718
719 /* Max irqs *needed* for RX queues */
be_max_rx_irqs(struct be_adapter * adapter)720 static inline u16 be_max_rx_irqs(struct be_adapter *adapter)
721 {
722 /* If no RSS, need atleast one irq for def-RXQ */
723 u16 num = max_t(u16, be_max_rss(adapter), 1);
724
725 return min_t(u16, num, be_max_irqs(adapter));
726 }
727
728 /* Max irqs *needed* for TX queues */
be_max_tx_irqs(struct be_adapter * adapter)729 static inline u16 be_max_tx_irqs(struct be_adapter *adapter)
730 {
731 return min_t(u16, be_max_txqs(adapter), be_max_irqs(adapter));
732 }
733
734 /* Max irqs *needed* for combined queues */
be_max_qp_irqs(struct be_adapter * adapter)735 static inline u16 be_max_qp_irqs(struct be_adapter *adapter)
736 {
737 return min(be_max_tx_irqs(adapter), be_max_rx_irqs(adapter));
738 }
739
740 /* Max irqs *needed* for RX and TX queues together */
be_max_any_irqs(struct be_adapter * adapter)741 static inline u16 be_max_any_irqs(struct be_adapter *adapter)
742 {
743 return max(be_max_tx_irqs(adapter), be_max_rx_irqs(adapter));
744 }
745
746 /* Is BE in pvid_tagging mode */
747 #define be_pvid_tagging_enabled(adapter) (adapter->pvid)
748
749 /* Is BE in QNQ multi-channel mode */
750 #define be_is_qnq_mode(adapter) (adapter->function_mode & QNQ_MODE)
751
752 #ifdef CONFIG_BE2NET_LANCER
753 #define lancer_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID3 || \
754 adapter->pdev->device == OC_DEVICE_ID4)
755 #else
756 #define lancer_chip(adapter) (0)
757 #endif /* CONFIG_BE2NET_LANCER */
758
759 #ifdef CONFIG_BE2NET_SKYHAWK
760 #define skyhawk_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID5 || \
761 adapter->pdev->device == OC_DEVICE_ID6)
762 #else
763 #define skyhawk_chip(adapter) (0)
764 #endif /* CONFIG_BE2NET_SKYHAWK */
765
766 #ifdef CONFIG_BE2NET_BE3
767 #define BE3_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID2 || \
768 adapter->pdev->device == OC_DEVICE_ID2)
769 #else
770 #define BE3_chip(adapter) (0)
771 #endif /* CONFIG_BE2NET_BE3 */
772
773 #ifdef CONFIG_BE2NET_BE2
774 #define BE2_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID1 || \
775 adapter->pdev->device == OC_DEVICE_ID1)
776 #else
777 #define BE2_chip(adapter) (0)
778 #endif /* CONFIG_BE2NET_BE2 */
779
780 #define BEx_chip(adapter) (BE3_chip(adapter) || BE2_chip(adapter))
781
782 #define be_roce_supported(adapter) (skyhawk_chip(adapter) && \
783 (adapter->function_mode & RDMA_ENABLED))
784
785 extern const struct ethtool_ops be_ethtool_ops;
786
787 #define msix_enabled(adapter) (adapter->num_msix_vec > 0)
788 #define num_irqs(adapter) (msix_enabled(adapter) ? \
789 adapter->num_msix_vec : 1)
790 #define tx_stats(txo) (&(txo)->stats)
791 #define rx_stats(rxo) (&(rxo)->stats)
792
793 /* The default RXQ is the last RXQ */
794 #define default_rxo(adpt) (&adpt->rx_obj[adpt->num_rx_qs - 1])
795
796 #define for_all_rx_queues(adapter, rxo, i) \
797 for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs; \
798 i++, rxo++)
799
800 #define for_all_rss_queues(adapter, rxo, i) \
801 for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rss_qs; \
802 i++, rxo++)
803
804 #define for_all_tx_queues(adapter, txo, i) \
805 for (i = 0, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs; \
806 i++, txo++)
807
808 #define for_all_evt_queues(adapter, eqo, i) \
809 for (i = 0, eqo = &adapter->eq_obj[i]; i < adapter->num_evt_qs; \
810 i++, eqo++)
811
812 #define for_all_rx_queues_on_eq(adapter, eqo, rxo, i) \
813 for (i = eqo->idx, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs;\
814 i += adapter->num_evt_qs, rxo += adapter->num_evt_qs)
815
816 #define for_all_tx_queues_on_eq(adapter, eqo, txo, i) \
817 for (i = eqo->idx, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs;\
818 i += adapter->num_evt_qs, txo += adapter->num_evt_qs)
819
820 #define is_mcc_eqo(eqo) (eqo->idx == 0)
821 #define mcc_eqo(adapter) (&adapter->eq_obj[0])
822
823 #define PAGE_SHIFT_4K 12
824 #define PAGE_SIZE_4K (1 << PAGE_SHIFT_4K)
825
826 /* Returns number of pages spanned by the data starting at the given addr */
827 #define PAGES_4K_SPANNED(_address, size) \
828 ((u32)((((size_t)(_address) & (PAGE_SIZE_4K - 1)) + \
829 (size) + (PAGE_SIZE_4K - 1)) >> PAGE_SHIFT_4K))
830
831 /* Returns bit offset within a DWORD of a bitfield */
832 #define AMAP_BIT_OFFSET(_struct, field) \
833 (((size_t)&(((_struct *)0)->field))%32)
834
835 /* Returns the bit mask of the field that is NOT shifted into location. */
amap_mask(u32 bitsize)836 static inline u32 amap_mask(u32 bitsize)
837 {
838 return (bitsize == 32 ? 0xFFFFFFFF : (1 << bitsize) - 1);
839 }
840
841 static inline void
amap_set(void * ptr,u32 dw_offset,u32 mask,u32 offset,u32 value)842 amap_set(void *ptr, u32 dw_offset, u32 mask, u32 offset, u32 value)
843 {
844 u32 *dw = (u32 *) ptr + dw_offset;
845 *dw &= ~(mask << offset);
846 *dw |= (mask & value) << offset;
847 }
848
849 #define AMAP_SET_BITS(_struct, field, ptr, val) \
850 amap_set(ptr, \
851 offsetof(_struct, field)/32, \
852 amap_mask(sizeof(((_struct *)0)->field)), \
853 AMAP_BIT_OFFSET(_struct, field), \
854 val)
855
amap_get(void * ptr,u32 dw_offset,u32 mask,u32 offset)856 static inline u32 amap_get(void *ptr, u32 dw_offset, u32 mask, u32 offset)
857 {
858 u32 *dw = (u32 *) ptr;
859 return mask & (*(dw + dw_offset) >> offset);
860 }
861
862 #define AMAP_GET_BITS(_struct, field, ptr) \
863 amap_get(ptr, \
864 offsetof(_struct, field)/32, \
865 amap_mask(sizeof(((_struct *)0)->field)), \
866 AMAP_BIT_OFFSET(_struct, field))
867
868 #define GET_RX_COMPL_V0_BITS(field, ptr) \
869 AMAP_GET_BITS(struct amap_eth_rx_compl_v0, field, ptr)
870
871 #define GET_RX_COMPL_V1_BITS(field, ptr) \
872 AMAP_GET_BITS(struct amap_eth_rx_compl_v1, field, ptr)
873
874 #define GET_TX_COMPL_BITS(field, ptr) \
875 AMAP_GET_BITS(struct amap_eth_tx_compl, field, ptr)
876
877 #define SET_TX_WRB_HDR_BITS(field, ptr, val) \
878 AMAP_SET_BITS(struct amap_eth_hdr_wrb, field, ptr, val)
879
880 #define be_dws_cpu_to_le(wrb, len) swap_dws(wrb, len)
881 #define be_dws_le_to_cpu(wrb, len) swap_dws(wrb, len)
swap_dws(void * wrb,int len)882 static inline void swap_dws(void *wrb, int len)
883 {
884 #ifdef __BIG_ENDIAN
885 u32 *dw = wrb;
886 BUG_ON(len % 4);
887 do {
888 *dw = cpu_to_le32(*dw);
889 dw++;
890 len -= 4;
891 } while (len);
892 #endif /* __BIG_ENDIAN */
893 }
894
895 #define be_cmd_status(status) (status > 0 ? -EIO : status)
896
is_tcp_pkt(struct sk_buff * skb)897 static inline u8 is_tcp_pkt(struct sk_buff *skb)
898 {
899 u8 val = 0;
900
901 if (ip_hdr(skb)->version == 4)
902 val = (ip_hdr(skb)->protocol == IPPROTO_TCP);
903 else if (ip_hdr(skb)->version == 6)
904 val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_TCP);
905
906 return val;
907 }
908
is_udp_pkt(struct sk_buff * skb)909 static inline u8 is_udp_pkt(struct sk_buff *skb)
910 {
911 u8 val = 0;
912
913 if (ip_hdr(skb)->version == 4)
914 val = (ip_hdr(skb)->protocol == IPPROTO_UDP);
915 else if (ip_hdr(skb)->version == 6)
916 val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_UDP);
917
918 return val;
919 }
920
is_ipv4_pkt(struct sk_buff * skb)921 static inline bool is_ipv4_pkt(struct sk_buff *skb)
922 {
923 return skb->protocol == htons(ETH_P_IP) && ip_hdr(skb)->version == 4;
924 }
925
is_ipv6_ext_hdr(struct sk_buff * skb)926 static inline bool is_ipv6_ext_hdr(struct sk_buff *skb)
927 {
928 if (ip_hdr(skb)->version == 6)
929 return ipv6_ext_hdr(ipv6_hdr(skb)->nexthdr);
930 else
931 return false;
932 }
933
934 #define be_error_recovering(adapter) \
935 (adapter->flags & BE_FLAGS_TRY_RECOVERY)
936
937 #define BE_ERROR_EEH 1
938 #define BE_ERROR_UE BIT(1)
939 #define BE_ERROR_FW BIT(2)
940 #define BE_ERROR_TX BIT(3)
941 #define BE_ERROR_HW (BE_ERROR_EEH | BE_ERROR_UE | BE_ERROR_TX)
942 #define BE_ERROR_ANY (BE_ERROR_EEH | BE_ERROR_UE | BE_ERROR_FW | \
943 BE_ERROR_TX)
944 #define BE_CLEAR_ALL 0xFF
945
be_check_error(struct be_adapter * adapter,u32 err_type)946 static inline u8 be_check_error(struct be_adapter *adapter, u32 err_type)
947 {
948 return (adapter->err_flags & err_type);
949 }
950
be_set_error(struct be_adapter * adapter,int err_type)951 static inline void be_set_error(struct be_adapter *adapter, int err_type)
952 {
953 struct net_device *netdev = adapter->netdev;
954
955 adapter->err_flags |= err_type;
956 netif_carrier_off(netdev);
957
958 dev_info(&adapter->pdev->dev, "%s: Link down\n", netdev->name);
959 }
960
be_clear_error(struct be_adapter * adapter,int err_type)961 static inline void be_clear_error(struct be_adapter *adapter, int err_type)
962 {
963 adapter->err_flags &= ~err_type;
964 }
965
be_multi_rxq(const struct be_adapter * adapter)966 static inline bool be_multi_rxq(const struct be_adapter *adapter)
967 {
968 return adapter->num_rx_qs > 1;
969 }
970
971 void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm,
972 u16 num_popped);
973 void be_link_status_update(struct be_adapter *adapter, u8 link_status);
974 void be_parse_stats(struct be_adapter *adapter);
975 int be_load_fw(struct be_adapter *adapter, u8 *func);
976 bool be_is_wol_supported(struct be_adapter *adapter);
977 bool be_pause_supported(struct be_adapter *adapter);
978 u32 be_get_fw_log_level(struct be_adapter *adapter);
979 int be_update_queues(struct be_adapter *adapter);
980 int be_poll(struct napi_struct *napi, int budget);
981 void be_eqd_update(struct be_adapter *adapter, bool force_update);
982
983 /*
984 * internal function to initialize-cleanup roce device.
985 */
986 void be_roce_dev_add(struct be_adapter *);
987 void be_roce_dev_remove(struct be_adapter *);
988
989 /*
990 * internal function to open-close roce device during ifup-ifdown.
991 */
992 void be_roce_dev_shutdown(struct be_adapter *);
993
994 #endif /* BE_H */
995