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_NAME "be2net"
37 #define BE_NAME "Emulex BladeEngine2"
38 #define BE3_NAME "Emulex BladeEngine3"
39 #define OC_NAME "Emulex OneConnect"
40 #define OC_NAME_BE OC_NAME "(be3)"
41 #define OC_NAME_LANCER OC_NAME "(Lancer)"
42 #define OC_NAME_SH OC_NAME "(Skyhawk)"
43 #define DRV_DESC "Emulex OneConnect NIC Driver"
44
45 #define BE_VENDOR_ID 0x19a2
46 #define EMULEX_VENDOR_ID 0x10df
47 #define BE_DEVICE_ID1 0x211
48 #define BE_DEVICE_ID2 0x221
49 #define OC_DEVICE_ID1 0x700 /* Device Id for BE2 cards */
50 #define OC_DEVICE_ID2 0x710 /* Device Id for BE3 cards */
51 #define OC_DEVICE_ID3 0xe220 /* Device id for Lancer cards */
52 #define OC_DEVICE_ID4 0xe228 /* Device id for VF in Lancer */
53 #define OC_DEVICE_ID5 0x720 /* Device Id for Skyhawk cards */
54 #define OC_DEVICE_ID6 0x728 /* Device id for VF in SkyHawk */
55 #define OC_SUBSYS_DEVICE_ID1 0xE602
56 #define OC_SUBSYS_DEVICE_ID2 0xE642
57 #define OC_SUBSYS_DEVICE_ID3 0xE612
58 #define OC_SUBSYS_DEVICE_ID4 0xE652
59
60 /* Number of bytes of an RX frame that are copied to skb->data */
61 #define BE_HDR_LEN ((u16) 64)
62 /* allocate extra space to allow tunneling decapsulation without head reallocation */
63 #define BE_RX_SKB_ALLOC_SIZE 256
64
65 #define BE_MAX_JUMBO_FRAME_SIZE 9018
66 #define BE_MIN_MTU 256
67 #define BE_MAX_MTU (BE_MAX_JUMBO_FRAME_SIZE - \
68 (ETH_HLEN + ETH_FCS_LEN))
69
70 /* Accommodate for QnQ configurations where VLAN insertion is enabled in HW */
71 #define BE_MAX_GSO_SIZE (65535 - 2 * VLAN_HLEN)
72
73 #define BE_NUM_VLANS_SUPPORTED 64
74 #define BE_MAX_EQD 128u
75 #define BE_MAX_TX_FRAG_COUNT 30
76
77 #define EVNT_Q_LEN 1024
78 #define TX_Q_LEN 2048
79 #define TX_CQ_LEN 1024
80 #define RX_Q_LEN 1024 /* Does not support any other value */
81 #define RX_CQ_LEN 1024
82 #define MCC_Q_LEN 128 /* total size not to exceed 8 pages */
83 #define MCC_CQ_LEN 256
84
85 #define BE2_MAX_RSS_QS 4
86 #define BE3_MAX_RSS_QS 16
87 #define BE3_MAX_TX_QS 16
88 #define BE3_MAX_EVT_QS 16
89 #define BE3_SRIOV_MAX_EVT_QS 8
90 #define SH_VF_MAX_NIC_EQS 3 /* Skyhawk VFs can have a max of 4 EQs
91 * and at least 1 is granted to either
92 * SURF/DPDK
93 */
94
95 #define MAX_PORT_RSS_TABLES 15
96 #define MAX_NIC_FUNCS 16
97 #define MAX_RX_QS 32
98 #define MAX_EVT_QS 32
99 #define MAX_TX_QS 32
100
101 #define MAX_ROCE_EQS 5
102 #define MAX_MSIX_VECTORS 32
103 #define MIN_MSIX_VECTORS 1
104 #define MAX_RX_POST NAPI_POLL_WEIGHT /* Frags posted at a time */
105 #define RX_FRAGS_REFILL_WM (RX_Q_LEN - MAX_RX_POST)
106 #define MAX_NUM_POST_ERX_DB 255u
107
108 #define MAX_VFS 30 /* Max VFs supported by BE3 FW */
109 #define FW_VER_LEN 32
110 #define CNTL_SERIAL_NUM_WORDS 8 /* Controller serial number words */
111 #define CNTL_SERIAL_NUM_WORD_SZ (sizeof(u16)) /* Byte-sz of serial num word */
112
113 #define RSS_INDIR_TABLE_LEN 128
114 #define RSS_HASH_KEY_LEN 40
115
116 #define BE_UNKNOWN_PHY_STATE 0xFF
117
118 struct be_dma_mem {
119 void *va;
120 dma_addr_t dma;
121 u32 size;
122 };
123
124 struct be_queue_info {
125 u32 len;
126 u32 entry_size; /* Size of an element in the queue */
127 u32 tail, head;
128 atomic_t used; /* Number of valid elements in the queue */
129 u32 id;
130 struct be_dma_mem dma_mem;
131 bool created;
132 };
133
MODULO(u32 val,u32 limit)134 static inline u32 MODULO(u32 val, u32 limit)
135 {
136 BUG_ON(limit & (limit - 1));
137 return val & (limit - 1);
138 }
139
index_adv(u32 * index,u32 val,u32 limit)140 static inline void index_adv(u32 *index, u32 val, u32 limit)
141 {
142 *index = MODULO((*index + val), limit);
143 }
144
index_inc(u32 * index,u32 limit)145 static inline void index_inc(u32 *index, u32 limit)
146 {
147 *index = MODULO((*index + 1), limit);
148 }
149
queue_head_node(struct be_queue_info * q)150 static inline void *queue_head_node(struct be_queue_info *q)
151 {
152 return q->dma_mem.va + q->head * q->entry_size;
153 }
154
queue_tail_node(struct be_queue_info * q)155 static inline void *queue_tail_node(struct be_queue_info *q)
156 {
157 return q->dma_mem.va + q->tail * q->entry_size;
158 }
159
queue_index_node(struct be_queue_info * q,u16 index)160 static inline void *queue_index_node(struct be_queue_info *q, u16 index)
161 {
162 return q->dma_mem.va + index * q->entry_size;
163 }
164
queue_head_inc(struct be_queue_info * q)165 static inline void queue_head_inc(struct be_queue_info *q)
166 {
167 index_inc(&q->head, q->len);
168 }
169
index_dec(u32 * index,u32 limit)170 static inline void index_dec(u32 *index, u32 limit)
171 {
172 *index = MODULO((*index - 1), limit);
173 }
174
queue_tail_inc(struct be_queue_info * q)175 static inline void queue_tail_inc(struct be_queue_info *q)
176 {
177 index_inc(&q->tail, q->len);
178 }
179
180 struct be_eq_obj {
181 struct be_queue_info q;
182 char desc[32];
183
184 struct be_adapter *adapter;
185 struct napi_struct napi;
186 u8 idx; /* array index */
187 u8 msix_idx;
188 u16 spurious_intr;
189 cpumask_var_t affinity_mask;
190 } ____cacheline_aligned_in_smp;
191
192 struct be_aic_obj { /* Adaptive interrupt coalescing (AIC) info */
193 u32 min_eqd; /* in usecs */
194 u32 max_eqd; /* in usecs */
195 u32 prev_eqd; /* in usecs */
196 u32 et_eqd; /* configured val when aic is off */
197 ulong jiffies;
198 u64 rx_pkts_prev; /* Used to calculate RX pps */
199 u64 tx_reqs_prev; /* Used to calculate TX pps */
200 };
201
202 struct be_mcc_obj {
203 struct be_queue_info q;
204 struct be_queue_info cq;
205 bool rearm_cq;
206 };
207
208 struct be_tx_stats {
209 u64 tx_bytes;
210 u64 tx_pkts;
211 u64 tx_vxlan_offload_pkts;
212 u64 tx_reqs;
213 u64 tx_compl;
214 u32 tx_stops;
215 u32 tx_drv_drops; /* pkts dropped by driver */
216 /* the error counters are described in be_ethtool.c */
217 u32 tx_hdr_parse_err;
218 u32 tx_dma_err;
219 u32 tx_tso_err;
220 u32 tx_spoof_check_err;
221 u32 tx_qinq_err;
222 u32 tx_internal_parity_err;
223 u32 tx_sge_err;
224 struct u64_stats_sync sync;
225 struct u64_stats_sync sync_compl;
226 };
227
228 /* Structure to hold some data of interest obtained from a TX CQE */
229 struct be_tx_compl_info {
230 u8 status; /* Completion status */
231 u16 end_index; /* Completed TXQ Index */
232 };
233
234 struct be_tx_obj {
235 u32 db_offset;
236 struct be_tx_compl_info txcp;
237 struct be_queue_info q;
238 struct be_queue_info cq;
239 /* Remember the skbs that were transmitted */
240 struct sk_buff *sent_skb_list[TX_Q_LEN];
241 struct be_tx_stats stats;
242 u16 pend_wrb_cnt; /* Number of WRBs yet to be given to HW */
243 u16 last_req_wrb_cnt; /* wrb cnt of the last req in the Q */
244 u16 last_req_hdr; /* index of the last req's hdr-wrb */
245 } ____cacheline_aligned_in_smp;
246
247 /* Struct to remember the pages posted for rx frags */
248 struct be_rx_page_info {
249 struct page *page;
250 /* set to page-addr for last frag of the page & frag-addr otherwise */
251 DEFINE_DMA_UNMAP_ADDR(bus);
252 u16 page_offset;
253 bool last_frag; /* last frag of the page */
254 };
255
256 struct be_rx_stats {
257 u64 rx_bytes;
258 u64 rx_pkts;
259 u64 rx_vxlan_offload_pkts;
260 u32 rx_drops_no_skbs; /* skb allocation errors */
261 u32 rx_drops_no_frags; /* HW has no fetched frags */
262 u32 rx_post_fail; /* page post alloc failures */
263 u32 rx_compl;
264 u32 rx_mcast_pkts;
265 u32 rx_compl_err; /* completions with err set */
266 struct u64_stats_sync sync;
267 };
268
269 struct be_rx_compl_info {
270 u32 rss_hash;
271 u16 vlan_tag;
272 u16 pkt_size;
273 u16 port;
274 u8 vlanf;
275 u8 num_rcvd;
276 u8 err;
277 u8 ipf;
278 u8 tcpf;
279 u8 udpf;
280 u8 ip_csum;
281 u8 l4_csum;
282 u8 ipv6;
283 u8 qnq;
284 u8 pkt_type;
285 u8 ip_frag;
286 u8 tunneled;
287 };
288
289 struct be_rx_obj {
290 struct be_adapter *adapter;
291 struct be_queue_info q;
292 struct be_queue_info cq;
293 struct be_rx_compl_info rxcp;
294 struct be_rx_page_info page_info_tbl[RX_Q_LEN];
295 struct be_rx_stats stats;
296 u8 rss_id;
297 bool rx_post_starved; /* Zero rx frags have been posted to BE */
298 } ____cacheline_aligned_in_smp;
299
300 struct be_drv_stats {
301 u32 eth_red_drops;
302 u32 dma_map_errors;
303 u32 rx_drops_no_pbuf;
304 u32 rx_drops_no_txpb;
305 u32 rx_drops_no_erx_descr;
306 u32 rx_drops_no_tpre_descr;
307 u32 rx_drops_too_many_frags;
308 u32 forwarded_packets;
309 u32 rx_drops_mtu;
310 u32 rx_crc_errors;
311 u32 rx_alignment_symbol_errors;
312 u32 rx_pause_frames;
313 u32 rx_priority_pause_frames;
314 u32 rx_control_frames;
315 u32 rx_in_range_errors;
316 u32 rx_out_range_errors;
317 u32 rx_frame_too_long;
318 u32 rx_address_filtered;
319 u32 rx_dropped_too_small;
320 u32 rx_dropped_too_short;
321 u32 rx_dropped_header_too_small;
322 u32 rx_dropped_tcp_length;
323 u32 rx_dropped_runt;
324 u32 rx_ip_checksum_errs;
325 u32 rx_tcp_checksum_errs;
326 u32 rx_udp_checksum_errs;
327 u32 tx_pauseframes;
328 u32 tx_priority_pauseframes;
329 u32 tx_controlframes;
330 u32 rxpp_fifo_overflow_drop;
331 u32 rx_input_fifo_overflow_drop;
332 u32 pmem_fifo_overflow_drop;
333 u32 jabber_events;
334 u32 rx_roce_bytes_lsd;
335 u32 rx_roce_bytes_msd;
336 u32 rx_roce_frames;
337 u32 roce_drops_payload_len;
338 u32 roce_drops_crc;
339 };
340
341 /* A vlan-id of 0xFFFF must be used to clear transparent vlan-tagging */
342 #define BE_RESET_VLAN_TAG_ID 0xFFFF
343
344 struct be_vf_cfg {
345 unsigned char mac_addr[ETH_ALEN];
346 int if_handle;
347 int pmac_id;
348 u16 vlan_tag;
349 u32 tx_rate;
350 u32 plink_tracking;
351 u32 privileges;
352 bool spoofchk;
353 };
354
355 enum vf_state {
356 ENABLED = 0,
357 ASSIGNED = 1
358 };
359
360 #define BE_FLAGS_LINK_STATUS_INIT BIT(1)
361 #define BE_FLAGS_SRIOV_ENABLED BIT(2)
362 #define BE_FLAGS_WORKER_SCHEDULED BIT(3)
363 #define BE_FLAGS_NAPI_ENABLED BIT(6)
364 #define BE_FLAGS_QNQ_ASYNC_EVT_RCVD BIT(7)
365 #define BE_FLAGS_VXLAN_OFFLOADS BIT(8)
366 #define BE_FLAGS_SETUP_DONE BIT(9)
367 #define BE_FLAGS_PHY_MISCONFIGURED BIT(10)
368 #define BE_FLAGS_ERR_DETECTION_SCHEDULED BIT(11)
369 #define BE_FLAGS_OS2BMC BIT(12)
370 #define BE_FLAGS_TRY_RECOVERY BIT(13)
371
372 #define BE_UC_PMAC_COUNT 30
373 #define BE_VF_UC_PMAC_COUNT 2
374
375 #define MAX_ERR_RECOVERY_RETRY_COUNT 3
376 #define ERR_DETECTION_DELAY 1000
377
378 /* Ethtool set_dump flags */
379 #define LANCER_INITIATE_FW_DUMP 0x1
380 #define LANCER_DELETE_FW_DUMP 0x2
381
382 struct phy_info {
383 /* From SFF-8472 spec */
384 #define SFP_VENDOR_NAME_LEN 17
385 u8 transceiver;
386 u8 autoneg;
387 u8 fc_autoneg;
388 u8 port_type;
389 u16 phy_type;
390 u16 interface_type;
391 u32 misc_params;
392 u16 auto_speeds_supported;
393 u16 fixed_speeds_supported;
394 int link_speed;
395 u32 advertising;
396 u32 supported;
397 u8 cable_type;
398 u8 vendor_name[SFP_VENDOR_NAME_LEN];
399 u8 vendor_pn[SFP_VENDOR_NAME_LEN];
400 };
401
402 struct be_resources {
403 u16 max_vfs; /* Total VFs "really" supported by FW/HW */
404 u16 max_mcast_mac;
405 u16 max_tx_qs;
406 u16 max_rss_qs;
407 u16 max_rx_qs;
408 u16 max_cq_count;
409 u16 max_uc_mac; /* Max UC MACs programmable */
410 u16 max_vlans; /* Number of vlans supported */
411 u16 max_iface_count;
412 u16 max_mcc_count;
413 u16 max_evt_qs;
414 u16 max_nic_evt_qs; /* NIC's share of evt qs */
415 u32 if_cap_flags;
416 u32 vf_if_cap_flags; /* VF if capability flags */
417 u32 flags;
418 /* Calculated PF Pool's share of RSS Tables. This is not enforced by
419 * the FW, but is a self-imposed driver limitation.
420 */
421 u16 max_rss_tables;
422 };
423
424 /* These are port-wide values */
425 struct be_port_resources {
426 u16 max_vfs;
427 u16 nic_pfs;
428 };
429
430 #define be_is_os2bmc_enabled(adapter) (adapter->flags & BE_FLAGS_OS2BMC)
431
432 struct rss_info {
433 u8 rsstable[RSS_INDIR_TABLE_LEN];
434 u8 rss_queue[RSS_INDIR_TABLE_LEN];
435 u8 rss_hkey[RSS_HASH_KEY_LEN];
436 u64 rss_flags;
437 };
438
439 #define BE_INVALID_DIE_TEMP 0xFF
440 struct be_hwmon {
441 struct device *hwmon_dev;
442 u8 be_on_die_temp; /* Unit: millidegree Celsius */
443 };
444
445 /* Macros to read/write the 'features' word of be_wrb_params structure.
446 */
447 #define BE_WRB_F_BIT(name) BE_WRB_F_##name##_BIT
448 #define BE_WRB_F_MASK(name) BIT_MASK(BE_WRB_F_##name##_BIT)
449
450 #define BE_WRB_F_GET(word, name) \
451 (((word) & (BE_WRB_F_MASK(name))) >> BE_WRB_F_BIT(name))
452
453 #define BE_WRB_F_SET(word, name, val) \
454 ((word) |= (((val) << BE_WRB_F_BIT(name)) & BE_WRB_F_MASK(name)))
455
456 /* Feature/offload bits */
457 enum {
458 BE_WRB_F_CRC_BIT, /* Ethernet CRC */
459 BE_WRB_F_IPCS_BIT, /* IP csum */
460 BE_WRB_F_TCPCS_BIT, /* TCP csum */
461 BE_WRB_F_UDPCS_BIT, /* UDP csum */
462 BE_WRB_F_LSO_BIT, /* LSO */
463 BE_WRB_F_LSO6_BIT, /* LSO6 */
464 BE_WRB_F_VLAN_BIT, /* VLAN */
465 BE_WRB_F_VLAN_SKIP_HW_BIT, /* Skip VLAN tag (workaround) */
466 BE_WRB_F_OS2BMC_BIT /* Send packet to the management ring */
467 };
468
469 /* The structure below provides a HW-agnostic abstraction of WRB params
470 * retrieved from a TX skb. This is in turn passed to chip specific routines
471 * during transmit, to set the corresponding params in the WRB.
472 */
473 struct be_wrb_params {
474 u32 features; /* Feature bits */
475 u16 vlan_tag; /* VLAN tag */
476 u16 lso_mss; /* MSS for LSO */
477 };
478
479 struct be_eth_addr {
480 unsigned char mac[ETH_ALEN];
481 };
482
483 #define BE_SEC 1000 /* in msec */
484 #define BE_MIN (60 * BE_SEC) /* in msec */
485 #define BE_HOUR (60 * BE_MIN) /* in msec */
486
487 #define ERR_RECOVERY_MAX_RETRY_COUNT 3
488 #define ERR_RECOVERY_DETECTION_DELAY BE_SEC
489 #define ERR_RECOVERY_RETRY_DELAY (30 * BE_SEC)
490
491 /* UE-detection-duration in BEx/Skyhawk:
492 * All PFs must wait for this duration after they detect UE before reading
493 * SLIPORT_SEMAPHORE register. At the end of this duration, the Firmware
494 * guarantees that the SLIPORT_SEMAPHORE register is updated to indicate
495 * if the UE is recoverable.
496 */
497 #define ERR_RECOVERY_UE_DETECT_DURATION BE_SEC
498
499 /* Initial idle time (in msec) to elapse after driver load,
500 * before UE recovery is allowed.
501 */
502 #define ERR_IDLE_HR 24
503 #define ERR_RECOVERY_IDLE_TIME (ERR_IDLE_HR * BE_HOUR)
504
505 /* Time interval (in msec) after which UE recovery can be repeated */
506 #define ERR_INTERVAL_HR 72
507 #define ERR_RECOVERY_INTERVAL (ERR_INTERVAL_HR * BE_HOUR)
508
509 /* BEx/SH UE recovery state machine */
510 enum {
511 ERR_RECOVERY_ST_NONE = 0, /* No Recovery */
512 ERR_RECOVERY_ST_DETECT = 1, /* UE detection duration */
513 ERR_RECOVERY_ST_RESET = 2, /* Reset Phase (PF0 only) */
514 ERR_RECOVERY_ST_PRE_POLL = 3, /* Pre-Poll Phase (all PFs) */
515 ERR_RECOVERY_ST_REINIT = 4 /* Re-initialize Phase */
516 };
517
518 struct be_error_recovery {
519 union {
520 u8 recovery_retries; /* used for Lancer */
521 u8 recovery_state; /* used for BEx and Skyhawk */
522 };
523
524 /* BEx/Skyhawk error recovery variables */
525 bool recovery_supported;
526 u16 ue_to_reset_time; /* Time after UE, to soft reset
527 * the chip - PF0 only
528 */
529 u16 ue_to_poll_time; /* Time after UE, to Restart Polling
530 * of SLIPORT_SEMAPHORE reg
531 */
532 u16 last_err_code;
533 unsigned long probe_time;
534 unsigned long last_recovery_time;
535
536 /* Common to both Lancer & BEx/SH error recovery */
537 u32 resched_delay;
538 struct delayed_work err_detection_work;
539 };
540
541 /* Ethtool priv_flags */
542 #define BE_DISABLE_TPE_RECOVERY 0x1
543
544 struct be_vxlan_port {
545 struct list_head list;
546 __be16 port; /* VxLAN UDP dst port */
547 int port_aliases; /* alias count */
548 };
549
550 struct be_adapter {
551 struct pci_dev *pdev;
552 struct net_device *netdev;
553
554 u8 __iomem *csr; /* CSR BAR used only for BE2/3 */
555 u8 __iomem *db; /* Door Bell */
556 u8 __iomem *pcicfg; /* On SH,BEx only. Shadow of PCI config space */
557
558 struct mutex mbox_lock; /* For serializing mbox cmds to BE card */
559 struct be_dma_mem mbox_mem;
560 /* Mbox mem is adjusted to align to 16 bytes. The allocated addr
561 * is stored for freeing purpose */
562 struct be_dma_mem mbox_mem_alloced;
563
564 struct be_mcc_obj mcc_obj;
565 struct mutex mcc_lock; /* For serializing mcc cmds to BE card */
566 spinlock_t mcc_cq_lock;
567
568 u16 cfg_num_rx_irqs; /* configured via set-channels */
569 u16 cfg_num_tx_irqs; /* configured via set-channels */
570 u16 num_evt_qs;
571 u16 num_msix_vec;
572 struct be_eq_obj eq_obj[MAX_EVT_QS];
573 struct msix_entry msix_entries[MAX_MSIX_VECTORS];
574 bool isr_registered;
575
576 /* TX Rings */
577 u16 num_tx_qs;
578 struct be_tx_obj tx_obj[MAX_TX_QS];
579
580 /* Rx rings */
581 u16 num_rx_qs;
582 u16 num_rss_qs;
583 u16 need_def_rxq;
584 struct be_rx_obj rx_obj[MAX_RX_QS];
585 u32 big_page_size; /* Compounded page size shared by rx wrbs */
586
587 struct be_drv_stats drv_stats;
588 struct be_aic_obj aic_obj[MAX_EVT_QS];
589 bool aic_enabled;
590 u8 vlan_prio_bmap; /* Available Priority BitMap */
591 u16 recommended_prio_bits;/* Recommended Priority bits in vlan tag */
592 struct be_dma_mem rx_filter; /* Cmd DMA mem for rx-filter */
593
594 struct be_dma_mem stats_cmd;
595 /* Work queue used to perform periodic tasks like getting statistics */
596 struct delayed_work work;
597 u16 work_counter;
598
599 u8 recovery_retries;
600 u8 err_flags;
601 bool pcicfg_mapped; /* pcicfg obtained via pci_iomap() */
602 u32 flags;
603 u32 cmd_privileges;
604 /* Ethtool knobs and info */
605 char fw_ver[FW_VER_LEN];
606 char fw_on_flash[FW_VER_LEN];
607
608 /* IFACE filtering fields */
609 int if_handle; /* Used to configure filtering */
610 u32 if_flags; /* Interface filtering flags */
611 u32 *pmac_id; /* MAC addr handle used by BE card */
612 struct be_eth_addr *uc_list;/* list of uc-addrs programmed (not perm) */
613 u32 uc_macs; /* Count of secondary UC MAC programmed */
614 struct be_eth_addr *mc_list;/* list of mcast addrs programmed */
615 u32 mc_count;
616 unsigned long vids[BITS_TO_LONGS(VLAN_N_VID)];
617 u16 vlans_added;
618 bool update_uc_list;
619 bool update_mc_list;
620 struct mutex rx_filter_lock;/* For protecting vids[] & mc/uc_list[] */
621
622 u32 beacon_state; /* for set_phys_id */
623
624 u32 port_num;
625 char port_name;
626 u8 mc_type;
627 u32 function_mode;
628 u32 function_caps;
629 u32 rx_fc; /* Rx flow control */
630 u32 tx_fc; /* Tx flow control */
631 bool stats_cmd_sent;
632 struct {
633 u32 size;
634 u32 total_size;
635 u64 io_addr;
636 } roce_db;
637 u32 num_msix_roce_vec;
638 struct ocrdma_dev *ocrdma_dev;
639 struct list_head entry;
640
641 u32 flash_status;
642 struct completion et_cmd_compl;
643
644 struct be_resources pool_res; /* resources available for the port */
645 struct be_resources res; /* resources available for the func */
646 u16 num_vfs; /* Number of VFs provisioned by PF */
647 u8 pf_num; /* Numbering used by FW, starts at 0 */
648 u8 vf_num; /* Numbering used by FW, starts at 1 */
649 u8 virtfn;
650 struct be_vf_cfg *vf_cfg;
651 bool be3_native;
652 u32 sli_family;
653 u8 hba_port_num;
654 u16 pvid;
655 __be16 vxlan_port; /* offloaded vxlan port num */
656 struct phy_info phy;
657 u8 wol_cap;
658 bool wol_en;
659 u16 asic_rev;
660 u16 qnq_vid;
661 u32 msg_enable;
662 int be_get_temp_freq;
663 struct be_hwmon hwmon_info;
664 struct rss_info rss_info;
665 /* Filters for packets that need to be sent to BMC */
666 u32 bmc_filt_mask;
667 u32 fat_dump_len;
668 u16 serial_num[CNTL_SERIAL_NUM_WORDS];
669 u8 phy_state; /* state of sfp optics (functional, faulted, etc.,) */
670 u8 dev_mac[ETH_ALEN];
671 u32 priv_flags; /* ethtool get/set_priv_flags() */
672 struct be_error_recovery error_recovery;
673 };
674
675 /* Used for defered FW config cmds. Add fields to this struct as reqd */
676 struct be_cmd_work {
677 struct work_struct work;
678 struct be_adapter *adapter;
679 };
680
681 #define be_physfn(adapter) (!adapter->virtfn)
682 #define be_virtfn(adapter) (adapter->virtfn)
683 #define sriov_enabled(adapter) (adapter->flags & \
684 BE_FLAGS_SRIOV_ENABLED)
685
686 #define for_all_vfs(adapter, vf_cfg, i) \
687 for (i = 0, vf_cfg = &adapter->vf_cfg[i]; i < adapter->num_vfs; \
688 i++, vf_cfg++)
689
690 #define ON 1
691 #define OFF 0
692
693 #define be_max_vlans(adapter) (adapter->res.max_vlans)
694 #define be_max_uc(adapter) (adapter->res.max_uc_mac)
695 #define be_max_mc(adapter) (adapter->res.max_mcast_mac)
696 #define be_max_vfs(adapter) (adapter->pool_res.max_vfs)
697 #define be_max_rss(adapter) (adapter->res.max_rss_qs)
698 #define be_max_txqs(adapter) (adapter->res.max_tx_qs)
699 #define be_max_prio_txqs(adapter) (adapter->res.max_prio_tx_qs)
700 #define be_max_rxqs(adapter) (adapter->res.max_rx_qs)
701 /* Max number of EQs available for the function (NIC + RoCE (if enabled)) */
702 #define be_max_func_eqs(adapter) (adapter->res.max_evt_qs)
703 /* Max number of EQs available avaialble only for NIC */
704 #define be_max_nic_eqs(adapter) (adapter->res.max_nic_evt_qs)
705 #define be_if_cap_flags(adapter) (adapter->res.if_cap_flags)
706 #define be_max_pf_pool_rss_tables(adapter) \
707 (adapter->pool_res.max_rss_tables)
708 /* Max irqs avaialble for NIC */
709 #define be_max_irqs(adapter) \
710 (min_t(u16, be_max_nic_eqs(adapter), num_online_cpus()))
711
712 /* Max irqs *needed* for RX queues */
be_max_rx_irqs(struct be_adapter * adapter)713 static inline u16 be_max_rx_irqs(struct be_adapter *adapter)
714 {
715 /* If no RSS, need atleast one irq for def-RXQ */
716 u16 num = max_t(u16, be_max_rss(adapter), 1);
717
718 return min_t(u16, num, be_max_irqs(adapter));
719 }
720
721 /* Max irqs *needed* for TX queues */
be_max_tx_irqs(struct be_adapter * adapter)722 static inline u16 be_max_tx_irqs(struct be_adapter *adapter)
723 {
724 return min_t(u16, be_max_txqs(adapter), be_max_irqs(adapter));
725 }
726
727 /* Max irqs *needed* for combined queues */
be_max_qp_irqs(struct be_adapter * adapter)728 static inline u16 be_max_qp_irqs(struct be_adapter *adapter)
729 {
730 return min(be_max_tx_irqs(adapter), be_max_rx_irqs(adapter));
731 }
732
733 /* Max irqs *needed* for RX and TX queues together */
be_max_any_irqs(struct be_adapter * adapter)734 static inline u16 be_max_any_irqs(struct be_adapter *adapter)
735 {
736 return max(be_max_tx_irqs(adapter), be_max_rx_irqs(adapter));
737 }
738
739 /* Is BE in pvid_tagging mode */
740 #define be_pvid_tagging_enabled(adapter) (adapter->pvid)
741
742 /* Is BE in QNQ multi-channel mode */
743 #define be_is_qnq_mode(adapter) (adapter->function_mode & QNQ_MODE)
744
745 #ifdef CONFIG_BE2NET_LANCER
746 #define lancer_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID3 || \
747 adapter->pdev->device == OC_DEVICE_ID4)
748 #else
749 #define lancer_chip(adapter) (0)
750 #endif /* CONFIG_BE2NET_LANCER */
751
752 #ifdef CONFIG_BE2NET_SKYHAWK
753 #define skyhawk_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID5 || \
754 adapter->pdev->device == OC_DEVICE_ID6)
755 #else
756 #define skyhawk_chip(adapter) (0)
757 #endif /* CONFIG_BE2NET_SKYHAWK */
758
759 #ifdef CONFIG_BE2NET_BE3
760 #define BE3_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID2 || \
761 adapter->pdev->device == OC_DEVICE_ID2)
762 #else
763 #define BE3_chip(adapter) (0)
764 #endif /* CONFIG_BE2NET_BE3 */
765
766 #ifdef CONFIG_BE2NET_BE2
767 #define BE2_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID1 || \
768 adapter->pdev->device == OC_DEVICE_ID1)
769 #else
770 #define BE2_chip(adapter) (0)
771 #endif /* CONFIG_BE2NET_BE2 */
772
773 #define BEx_chip(adapter) (BE3_chip(adapter) || BE2_chip(adapter))
774
775 #define be_roce_supported(adapter) (skyhawk_chip(adapter) && \
776 (adapter->function_mode & RDMA_ENABLED))
777
778 extern const struct ethtool_ops be_ethtool_ops;
779
780 #define msix_enabled(adapter) (adapter->num_msix_vec > 0)
781 #define num_irqs(adapter) (msix_enabled(adapter) ? \
782 adapter->num_msix_vec : 1)
783 #define tx_stats(txo) (&(txo)->stats)
784 #define rx_stats(rxo) (&(rxo)->stats)
785
786 /* The default RXQ is the last RXQ */
787 #define default_rxo(adpt) (&adpt->rx_obj[adpt->num_rx_qs - 1])
788
789 #define for_all_rx_queues(adapter, rxo, i) \
790 for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs; \
791 i++, rxo++)
792
793 #define for_all_rss_queues(adapter, rxo, i) \
794 for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rss_qs; \
795 i++, rxo++)
796
797 #define for_all_tx_queues(adapter, txo, i) \
798 for (i = 0, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs; \
799 i++, txo++)
800
801 #define for_all_evt_queues(adapter, eqo, i) \
802 for (i = 0, eqo = &adapter->eq_obj[i]; i < adapter->num_evt_qs; \
803 i++, eqo++)
804
805 #define for_all_rx_queues_on_eq(adapter, eqo, rxo, i) \
806 for (i = eqo->idx, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs;\
807 i += adapter->num_evt_qs, rxo += adapter->num_evt_qs)
808
809 #define for_all_tx_queues_on_eq(adapter, eqo, txo, i) \
810 for (i = eqo->idx, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs;\
811 i += adapter->num_evt_qs, txo += adapter->num_evt_qs)
812
813 #define is_mcc_eqo(eqo) (eqo->idx == 0)
814 #define mcc_eqo(adapter) (&adapter->eq_obj[0])
815
816 #define PAGE_SHIFT_4K 12
817 #define PAGE_SIZE_4K (1 << PAGE_SHIFT_4K)
818
819 /* Returns number of pages spanned by the data starting at the given addr */
820 #define PAGES_4K_SPANNED(_address, size) \
821 ((u32)((((size_t)(_address) & (PAGE_SIZE_4K - 1)) + \
822 (size) + (PAGE_SIZE_4K - 1)) >> PAGE_SHIFT_4K))
823
824 /* Returns bit offset within a DWORD of a bitfield */
825 #define AMAP_BIT_OFFSET(_struct, field) \
826 (((size_t)&(((_struct *)0)->field))%32)
827
828 /* Returns the bit mask of the field that is NOT shifted into location. */
amap_mask(u32 bitsize)829 static inline u32 amap_mask(u32 bitsize)
830 {
831 return (bitsize == 32 ? 0xFFFFFFFF : (1 << bitsize) - 1);
832 }
833
834 static inline void
amap_set(void * ptr,u32 dw_offset,u32 mask,u32 offset,u32 value)835 amap_set(void *ptr, u32 dw_offset, u32 mask, u32 offset, u32 value)
836 {
837 u32 *dw = (u32 *) ptr + dw_offset;
838 *dw &= ~(mask << offset);
839 *dw |= (mask & value) << offset;
840 }
841
842 #define AMAP_SET_BITS(_struct, field, ptr, val) \
843 amap_set(ptr, \
844 offsetof(_struct, field)/32, \
845 amap_mask(sizeof(((_struct *)0)->field)), \
846 AMAP_BIT_OFFSET(_struct, field), \
847 val)
848
amap_get(void * ptr,u32 dw_offset,u32 mask,u32 offset)849 static inline u32 amap_get(void *ptr, u32 dw_offset, u32 mask, u32 offset)
850 {
851 u32 *dw = (u32 *) ptr;
852 return mask & (*(dw + dw_offset) >> offset);
853 }
854
855 #define AMAP_GET_BITS(_struct, field, ptr) \
856 amap_get(ptr, \
857 offsetof(_struct, field)/32, \
858 amap_mask(sizeof(((_struct *)0)->field)), \
859 AMAP_BIT_OFFSET(_struct, field))
860
861 #define GET_RX_COMPL_V0_BITS(field, ptr) \
862 AMAP_GET_BITS(struct amap_eth_rx_compl_v0, field, ptr)
863
864 #define GET_RX_COMPL_V1_BITS(field, ptr) \
865 AMAP_GET_BITS(struct amap_eth_rx_compl_v1, field, ptr)
866
867 #define GET_TX_COMPL_BITS(field, ptr) \
868 AMAP_GET_BITS(struct amap_eth_tx_compl, field, ptr)
869
870 #define SET_TX_WRB_HDR_BITS(field, ptr, val) \
871 AMAP_SET_BITS(struct amap_eth_hdr_wrb, field, ptr, val)
872
873 #define be_dws_cpu_to_le(wrb, len) swap_dws(wrb, len)
874 #define be_dws_le_to_cpu(wrb, len) swap_dws(wrb, len)
swap_dws(void * wrb,int len)875 static inline void swap_dws(void *wrb, int len)
876 {
877 #ifdef __BIG_ENDIAN
878 u32 *dw = wrb;
879 BUG_ON(len % 4);
880 do {
881 *dw = cpu_to_le32(*dw);
882 dw++;
883 len -= 4;
884 } while (len);
885 #endif /* __BIG_ENDIAN */
886 }
887
888 #define be_cmd_status(status) (status > 0 ? -EIO : status)
889
is_tcp_pkt(struct sk_buff * skb)890 static inline u8 is_tcp_pkt(struct sk_buff *skb)
891 {
892 u8 val = 0;
893
894 if (ip_hdr(skb)->version == 4)
895 val = (ip_hdr(skb)->protocol == IPPROTO_TCP);
896 else if (ip_hdr(skb)->version == 6)
897 val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_TCP);
898
899 return val;
900 }
901
is_udp_pkt(struct sk_buff * skb)902 static inline u8 is_udp_pkt(struct sk_buff *skb)
903 {
904 u8 val = 0;
905
906 if (ip_hdr(skb)->version == 4)
907 val = (ip_hdr(skb)->protocol == IPPROTO_UDP);
908 else if (ip_hdr(skb)->version == 6)
909 val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_UDP);
910
911 return val;
912 }
913
is_ipv4_pkt(struct sk_buff * skb)914 static inline bool is_ipv4_pkt(struct sk_buff *skb)
915 {
916 return skb->protocol == htons(ETH_P_IP) && ip_hdr(skb)->version == 4;
917 }
918
is_ipv6_ext_hdr(struct sk_buff * skb)919 static inline bool is_ipv6_ext_hdr(struct sk_buff *skb)
920 {
921 if (ip_hdr(skb)->version == 6)
922 return ipv6_ext_hdr(ipv6_hdr(skb)->nexthdr);
923 else
924 return false;
925 }
926
927 #define be_error_recovering(adapter) \
928 (adapter->flags & BE_FLAGS_TRY_RECOVERY)
929
930 #define BE_ERROR_EEH 1
931 #define BE_ERROR_UE BIT(1)
932 #define BE_ERROR_FW BIT(2)
933 #define BE_ERROR_TX BIT(3)
934 #define BE_ERROR_HW (BE_ERROR_EEH | BE_ERROR_UE | BE_ERROR_TX)
935 #define BE_ERROR_ANY (BE_ERROR_EEH | BE_ERROR_UE | BE_ERROR_FW | \
936 BE_ERROR_TX)
937 #define BE_CLEAR_ALL 0xFF
938
be_check_error(struct be_adapter * adapter,u32 err_type)939 static inline u8 be_check_error(struct be_adapter *adapter, u32 err_type)
940 {
941 return (adapter->err_flags & err_type);
942 }
943
be_set_error(struct be_adapter * adapter,int err_type)944 static inline void be_set_error(struct be_adapter *adapter, int err_type)
945 {
946 struct net_device *netdev = adapter->netdev;
947
948 adapter->err_flags |= err_type;
949 netif_carrier_off(netdev);
950
951 dev_info(&adapter->pdev->dev, "%s: Link down\n", netdev->name);
952 }
953
be_clear_error(struct be_adapter * adapter,int err_type)954 static inline void be_clear_error(struct be_adapter *adapter, int err_type)
955 {
956 adapter->err_flags &= ~err_type;
957 }
958
be_multi_rxq(const struct be_adapter * adapter)959 static inline bool be_multi_rxq(const struct be_adapter *adapter)
960 {
961 return adapter->num_rx_qs > 1;
962 }
963
964 void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm,
965 u16 num_popped);
966 void be_link_status_update(struct be_adapter *adapter, u8 link_status);
967 void be_parse_stats(struct be_adapter *adapter);
968 int be_load_fw(struct be_adapter *adapter, u8 *func);
969 bool be_pause_supported(struct be_adapter *adapter);
970 int be_update_queues(struct be_adapter *adapter);
971 int be_poll(struct napi_struct *napi, int budget);
972 void be_eqd_update(struct be_adapter *adapter, bool force_update);
973
974 /*
975 * internal function to initialize-cleanup roce device.
976 */
977 void be_roce_dev_add(struct be_adapter *);
978 void be_roce_dev_remove(struct be_adapter *);
979
980 /*
981 * internal function to open-close roce device during ifup-ifdown.
982 */
983 void be_roce_dev_shutdown(struct be_adapter *);
984
985 #endif /* BE_H */
986