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 BE_NAPI_WEIGHT 64
105 #define MAX_RX_POST BE_NAPI_WEIGHT /* Frags posted at a time */
106 #define RX_FRAGS_REFILL_WM (RX_Q_LEN - MAX_RX_POST)
107 #define MAX_NUM_POST_ERX_DB 255u
108
109 #define MAX_VFS 30 /* Max VFs supported by BE3 FW */
110 #define FW_VER_LEN 32
111 #define CNTL_SERIAL_NUM_WORDS 8 /* Controller serial number words */
112 #define CNTL_SERIAL_NUM_WORD_SZ (sizeof(u16)) /* Byte-sz of serial num word */
113
114 #define RSS_INDIR_TABLE_LEN 128
115 #define RSS_HASH_KEY_LEN 40
116
117 #define BE_UNKNOWN_PHY_STATE 0xFF
118
119 struct be_dma_mem {
120 void *va;
121 dma_addr_t dma;
122 u32 size;
123 };
124
125 struct be_queue_info {
126 u32 len;
127 u32 entry_size; /* Size of an element in the queue */
128 u32 tail, head;
129 atomic_t used; /* Number of valid elements in the queue */
130 u32 id;
131 struct be_dma_mem dma_mem;
132 bool created;
133 };
134
MODULO(u32 val,u32 limit)135 static inline u32 MODULO(u32 val, u32 limit)
136 {
137 BUG_ON(limit & (limit - 1));
138 return val & (limit - 1);
139 }
140
index_adv(u32 * index,u32 val,u32 limit)141 static inline void index_adv(u32 *index, u32 val, u32 limit)
142 {
143 *index = MODULO((*index + val), limit);
144 }
145
index_inc(u32 * index,u32 limit)146 static inline void index_inc(u32 *index, u32 limit)
147 {
148 *index = MODULO((*index + 1), limit);
149 }
150
queue_head_node(struct be_queue_info * q)151 static inline void *queue_head_node(struct be_queue_info *q)
152 {
153 return q->dma_mem.va + q->head * q->entry_size;
154 }
155
queue_tail_node(struct be_queue_info * q)156 static inline void *queue_tail_node(struct be_queue_info *q)
157 {
158 return q->dma_mem.va + q->tail * q->entry_size;
159 }
160
queue_index_node(struct be_queue_info * q,u16 index)161 static inline void *queue_index_node(struct be_queue_info *q, u16 index)
162 {
163 return q->dma_mem.va + index * q->entry_size;
164 }
165
queue_head_inc(struct be_queue_info * q)166 static inline void queue_head_inc(struct be_queue_info *q)
167 {
168 index_inc(&q->head, q->len);
169 }
170
index_dec(u32 * index,u32 limit)171 static inline void index_dec(u32 *index, u32 limit)
172 {
173 *index = MODULO((*index - 1), limit);
174 }
175
queue_tail_inc(struct be_queue_info * q)176 static inline void queue_tail_inc(struct be_queue_info *q)
177 {
178 index_inc(&q->tail, q->len);
179 }
180
181 struct be_eq_obj {
182 struct be_queue_info q;
183 char desc[32];
184
185 struct be_adapter *adapter;
186 struct napi_struct napi;
187 u8 idx; /* array index */
188 u8 msix_idx;
189 u16 spurious_intr;
190 cpumask_var_t affinity_mask;
191 } ____cacheline_aligned_in_smp;
192
193 struct be_aic_obj { /* Adaptive interrupt coalescing (AIC) info */
194 u32 min_eqd; /* in usecs */
195 u32 max_eqd; /* in usecs */
196 u32 prev_eqd; /* in usecs */
197 u32 et_eqd; /* configured val when aic is off */
198 ulong jiffies;
199 u64 rx_pkts_prev; /* Used to calculate RX pps */
200 u64 tx_reqs_prev; /* Used to calculate TX pps */
201 };
202
203 struct be_mcc_obj {
204 struct be_queue_info q;
205 struct be_queue_info cq;
206 bool rearm_cq;
207 };
208
209 struct be_tx_stats {
210 u64 tx_bytes;
211 u64 tx_pkts;
212 u64 tx_vxlan_offload_pkts;
213 u64 tx_reqs;
214 u64 tx_compl;
215 u32 tx_stops;
216 u32 tx_drv_drops; /* pkts dropped by driver */
217 /* the error counters are described in be_ethtool.c */
218 u32 tx_hdr_parse_err;
219 u32 tx_dma_err;
220 u32 tx_tso_err;
221 u32 tx_spoof_check_err;
222 u32 tx_qinq_err;
223 u32 tx_internal_parity_err;
224 u32 tx_sge_err;
225 struct u64_stats_sync sync;
226 struct u64_stats_sync sync_compl;
227 };
228
229 /* Structure to hold some data of interest obtained from a TX CQE */
230 struct be_tx_compl_info {
231 u8 status; /* Completion status */
232 u16 end_index; /* Completed TXQ Index */
233 };
234
235 struct be_tx_obj {
236 u32 db_offset;
237 struct be_tx_compl_info txcp;
238 struct be_queue_info q;
239 struct be_queue_info cq;
240 /* Remember the skbs that were transmitted */
241 struct sk_buff *sent_skb_list[TX_Q_LEN];
242 struct be_tx_stats stats;
243 u16 pend_wrb_cnt; /* Number of WRBs yet to be given to HW */
244 u16 last_req_wrb_cnt; /* wrb cnt of the last req in the Q */
245 u16 last_req_hdr; /* index of the last req's hdr-wrb */
246 } ____cacheline_aligned_in_smp;
247
248 /* Struct to remember the pages posted for rx frags */
249 struct be_rx_page_info {
250 struct page *page;
251 /* set to page-addr for last frag of the page & frag-addr otherwise */
252 DEFINE_DMA_UNMAP_ADDR(bus);
253 u16 page_offset;
254 bool last_frag; /* last frag of the page */
255 };
256
257 struct be_rx_stats {
258 u64 rx_bytes;
259 u64 rx_pkts;
260 u64 rx_vxlan_offload_pkts;
261 u32 rx_drops_no_skbs; /* skb allocation errors */
262 u32 rx_drops_no_frags; /* HW has no fetched frags */
263 u32 rx_post_fail; /* page post alloc failures */
264 u32 rx_compl;
265 u32 rx_mcast_pkts;
266 u32 rx_compl_err; /* completions with err set */
267 struct u64_stats_sync sync;
268 };
269
270 struct be_rx_compl_info {
271 u32 rss_hash;
272 u16 vlan_tag;
273 u16 pkt_size;
274 u16 port;
275 u8 vlanf;
276 u8 num_rcvd;
277 u8 err;
278 u8 ipf;
279 u8 tcpf;
280 u8 udpf;
281 u8 ip_csum;
282 u8 l4_csum;
283 u8 ipv6;
284 u8 qnq;
285 u8 pkt_type;
286 u8 ip_frag;
287 u8 tunneled;
288 };
289
290 struct be_rx_obj {
291 struct be_adapter *adapter;
292 struct be_queue_info q;
293 struct be_queue_info cq;
294 struct be_rx_compl_info rxcp;
295 struct be_rx_page_info page_info_tbl[RX_Q_LEN];
296 struct be_rx_stats stats;
297 u8 rss_id;
298 bool rx_post_starved; /* Zero rx frags have been posted to BE */
299 } ____cacheline_aligned_in_smp;
300
301 struct be_drv_stats {
302 u32 eth_red_drops;
303 u32 dma_map_errors;
304 u32 rx_drops_no_pbuf;
305 u32 rx_drops_no_txpb;
306 u32 rx_drops_no_erx_descr;
307 u32 rx_drops_no_tpre_descr;
308 u32 rx_drops_too_many_frags;
309 u32 forwarded_packets;
310 u32 rx_drops_mtu;
311 u32 rx_crc_errors;
312 u32 rx_alignment_symbol_errors;
313 u32 rx_pause_frames;
314 u32 rx_priority_pause_frames;
315 u32 rx_control_frames;
316 u32 rx_in_range_errors;
317 u32 rx_out_range_errors;
318 u32 rx_frame_too_long;
319 u32 rx_address_filtered;
320 u32 rx_dropped_too_small;
321 u32 rx_dropped_too_short;
322 u32 rx_dropped_header_too_small;
323 u32 rx_dropped_tcp_length;
324 u32 rx_dropped_runt;
325 u32 rx_ip_checksum_errs;
326 u32 rx_tcp_checksum_errs;
327 u32 rx_udp_checksum_errs;
328 u32 tx_pauseframes;
329 u32 tx_priority_pauseframes;
330 u32 tx_controlframes;
331 u32 rxpp_fifo_overflow_drop;
332 u32 rx_input_fifo_overflow_drop;
333 u32 pmem_fifo_overflow_drop;
334 u32 jabber_events;
335 u32 rx_roce_bytes_lsd;
336 u32 rx_roce_bytes_msd;
337 u32 rx_roce_frames;
338 u32 roce_drops_payload_len;
339 u32 roce_drops_crc;
340 };
341
342 /* A vlan-id of 0xFFFF must be used to clear transparent vlan-tagging */
343 #define BE_RESET_VLAN_TAG_ID 0xFFFF
344
345 struct be_vf_cfg {
346 unsigned char mac_addr[ETH_ALEN];
347 int if_handle;
348 int pmac_id;
349 u16 vlan_tag;
350 u32 tx_rate;
351 u32 plink_tracking;
352 u32 privileges;
353 bool spoofchk;
354 };
355
356 enum vf_state {
357 ENABLED = 0,
358 ASSIGNED = 1
359 };
360
361 #define BE_FLAGS_LINK_STATUS_INIT BIT(1)
362 #define BE_FLAGS_SRIOV_ENABLED BIT(2)
363 #define BE_FLAGS_WORKER_SCHEDULED BIT(3)
364 #define BE_FLAGS_NAPI_ENABLED BIT(6)
365 #define BE_FLAGS_QNQ_ASYNC_EVT_RCVD BIT(7)
366 #define BE_FLAGS_VXLAN_OFFLOADS BIT(8)
367 #define BE_FLAGS_SETUP_DONE BIT(9)
368 #define BE_FLAGS_PHY_MISCONFIGURED BIT(10)
369 #define BE_FLAGS_ERR_DETECTION_SCHEDULED BIT(11)
370 #define BE_FLAGS_OS2BMC BIT(12)
371 #define BE_FLAGS_TRY_RECOVERY BIT(13)
372
373 #define BE_UC_PMAC_COUNT 30
374 #define BE_VF_UC_PMAC_COUNT 2
375
376 #define MAX_ERR_RECOVERY_RETRY_COUNT 3
377 #define ERR_DETECTION_DELAY 1000
378
379 /* Ethtool set_dump flags */
380 #define LANCER_INITIATE_FW_DUMP 0x1
381 #define LANCER_DELETE_FW_DUMP 0x2
382
383 struct phy_info {
384 /* From SFF-8472 spec */
385 #define SFP_VENDOR_NAME_LEN 17
386 u8 transceiver;
387 u8 autoneg;
388 u8 fc_autoneg;
389 u8 port_type;
390 u16 phy_type;
391 u16 interface_type;
392 u32 misc_params;
393 u16 auto_speeds_supported;
394 u16 fixed_speeds_supported;
395 int link_speed;
396 u32 advertising;
397 u32 supported;
398 u8 cable_type;
399 u8 vendor_name[SFP_VENDOR_NAME_LEN];
400 u8 vendor_pn[SFP_VENDOR_NAME_LEN];
401 };
402
403 struct be_resources {
404 u16 max_vfs; /* Total VFs "really" supported by FW/HW */
405 u16 max_mcast_mac;
406 u16 max_tx_qs;
407 u16 max_rss_qs;
408 u16 max_rx_qs;
409 u16 max_cq_count;
410 u16 max_uc_mac; /* Max UC MACs programmable */
411 u16 max_vlans; /* Number of vlans supported */
412 u16 max_iface_count;
413 u16 max_mcc_count;
414 u16 max_evt_qs;
415 u16 max_nic_evt_qs; /* NIC's share of evt qs */
416 u32 if_cap_flags;
417 u32 vf_if_cap_flags; /* VF if capability flags */
418 u32 flags;
419 /* Calculated PF Pool's share of RSS Tables. This is not enforced by
420 * the FW, but is a self-imposed driver limitation.
421 */
422 u16 max_rss_tables;
423 };
424
425 /* These are port-wide values */
426 struct be_port_resources {
427 u16 max_vfs;
428 u16 nic_pfs;
429 };
430
431 #define be_is_os2bmc_enabled(adapter) (adapter->flags & BE_FLAGS_OS2BMC)
432
433 struct rss_info {
434 u8 rsstable[RSS_INDIR_TABLE_LEN];
435 u8 rss_queue[RSS_INDIR_TABLE_LEN];
436 u8 rss_hkey[RSS_HASH_KEY_LEN];
437 u64 rss_flags;
438 };
439
440 #define BE_INVALID_DIE_TEMP 0xFF
441 struct be_hwmon {
442 struct device *hwmon_dev;
443 u8 be_on_die_temp; /* Unit: millidegree Celsius */
444 };
445
446 /* Macros to read/write the 'features' word of be_wrb_params structure.
447 */
448 #define BE_WRB_F_BIT(name) BE_WRB_F_##name##_BIT
449 #define BE_WRB_F_MASK(name) BIT_MASK(BE_WRB_F_##name##_BIT)
450
451 #define BE_WRB_F_GET(word, name) \
452 (((word) & (BE_WRB_F_MASK(name))) >> BE_WRB_F_BIT(name))
453
454 #define BE_WRB_F_SET(word, name, val) \
455 ((word) |= (((val) << BE_WRB_F_BIT(name)) & BE_WRB_F_MASK(name)))
456
457 /* Feature/offload bits */
458 enum {
459 BE_WRB_F_CRC_BIT, /* Ethernet CRC */
460 BE_WRB_F_IPCS_BIT, /* IP csum */
461 BE_WRB_F_TCPCS_BIT, /* TCP csum */
462 BE_WRB_F_UDPCS_BIT, /* UDP csum */
463 BE_WRB_F_LSO_BIT, /* LSO */
464 BE_WRB_F_LSO6_BIT, /* LSO6 */
465 BE_WRB_F_VLAN_BIT, /* VLAN */
466 BE_WRB_F_VLAN_SKIP_HW_BIT, /* Skip VLAN tag (workaround) */
467 BE_WRB_F_OS2BMC_BIT /* Send packet to the management ring */
468 };
469
470 /* The structure below provides a HW-agnostic abstraction of WRB params
471 * retrieved from a TX skb. This is in turn passed to chip specific routines
472 * during transmit, to set the corresponding params in the WRB.
473 */
474 struct be_wrb_params {
475 u32 features; /* Feature bits */
476 u16 vlan_tag; /* VLAN tag */
477 u16 lso_mss; /* MSS for LSO */
478 };
479
480 struct be_eth_addr {
481 unsigned char mac[ETH_ALEN];
482 };
483
484 #define BE_SEC 1000 /* in msec */
485 #define BE_MIN (60 * BE_SEC) /* in msec */
486 #define BE_HOUR (60 * BE_MIN) /* in msec */
487
488 #define ERR_RECOVERY_MAX_RETRY_COUNT 3
489 #define ERR_RECOVERY_DETECTION_DELAY BE_SEC
490 #define ERR_RECOVERY_RETRY_DELAY (30 * BE_SEC)
491
492 /* UE-detection-duration in BEx/Skyhawk:
493 * All PFs must wait for this duration after they detect UE before reading
494 * SLIPORT_SEMAPHORE register. At the end of this duration, the Firmware
495 * guarantees that the SLIPORT_SEMAPHORE register is updated to indicate
496 * if the UE is recoverable.
497 */
498 #define ERR_RECOVERY_UE_DETECT_DURATION BE_SEC
499
500 /* Initial idle time (in msec) to elapse after driver load,
501 * before UE recovery is allowed.
502 */
503 #define ERR_IDLE_HR 24
504 #define ERR_RECOVERY_IDLE_TIME (ERR_IDLE_HR * BE_HOUR)
505
506 /* Time interval (in msec) after which UE recovery can be repeated */
507 #define ERR_INTERVAL_HR 72
508 #define ERR_RECOVERY_INTERVAL (ERR_INTERVAL_HR * BE_HOUR)
509
510 /* BEx/SH UE recovery state machine */
511 enum {
512 ERR_RECOVERY_ST_NONE = 0, /* No Recovery */
513 ERR_RECOVERY_ST_DETECT = 1, /* UE detection duration */
514 ERR_RECOVERY_ST_RESET = 2, /* Reset Phase (PF0 only) */
515 ERR_RECOVERY_ST_PRE_POLL = 3, /* Pre-Poll Phase (all PFs) */
516 ERR_RECOVERY_ST_REINIT = 4 /* Re-initialize Phase */
517 };
518
519 struct be_error_recovery {
520 union {
521 u8 recovery_retries; /* used for Lancer */
522 u8 recovery_state; /* used for BEx and Skyhawk */
523 };
524
525 /* BEx/Skyhawk error recovery variables */
526 bool recovery_supported;
527 u16 ue_to_reset_time; /* Time after UE, to soft reset
528 * the chip - PF0 only
529 */
530 u16 ue_to_poll_time; /* Time after UE, to Restart Polling
531 * of SLIPORT_SEMAPHORE reg
532 */
533 u16 last_err_code;
534 unsigned long probe_time;
535 unsigned long last_recovery_time;
536
537 /* Common to both Lancer & BEx/SH error recovery */
538 u32 resched_delay;
539 struct delayed_work err_detection_work;
540 };
541
542 /* Ethtool priv_flags */
543 #define BE_DISABLE_TPE_RECOVERY 0x1
544
545 struct be_vxlan_port {
546 struct list_head list;
547 __be16 port; /* VxLAN UDP dst port */
548 int port_aliases; /* alias count */
549 };
550
551 struct be_adapter {
552 struct pci_dev *pdev;
553 struct net_device *netdev;
554
555 u8 __iomem *csr; /* CSR BAR used only for BE2/3 */
556 u8 __iomem *db; /* Door Bell */
557 u8 __iomem *pcicfg; /* On SH,BEx only. Shadow of PCI config space */
558
559 struct mutex mbox_lock; /* For serializing mbox cmds to BE card */
560 struct be_dma_mem mbox_mem;
561 /* Mbox mem is adjusted to align to 16 bytes. The allocated addr
562 * is stored for freeing purpose */
563 struct be_dma_mem mbox_mem_alloced;
564
565 struct be_mcc_obj mcc_obj;
566 struct mutex mcc_lock; /* For serializing mcc cmds to BE card */
567 spinlock_t mcc_cq_lock;
568
569 u16 cfg_num_rx_irqs; /* configured via set-channels */
570 u16 cfg_num_tx_irqs; /* configured via set-channels */
571 u16 num_evt_qs;
572 u16 num_msix_vec;
573 struct be_eq_obj eq_obj[MAX_EVT_QS];
574 struct msix_entry msix_entries[MAX_MSIX_VECTORS];
575 bool isr_registered;
576
577 /* TX Rings */
578 u16 num_tx_qs;
579 struct be_tx_obj tx_obj[MAX_TX_QS];
580
581 /* Rx rings */
582 u16 num_rx_qs;
583 u16 num_rss_qs;
584 u16 need_def_rxq;
585 struct be_rx_obj rx_obj[MAX_RX_QS];
586 u32 big_page_size; /* Compounded page size shared by rx wrbs */
587
588 struct be_drv_stats drv_stats;
589 struct be_aic_obj aic_obj[MAX_EVT_QS];
590 bool aic_enabled;
591 u8 vlan_prio_bmap; /* Available Priority BitMap */
592 u16 recommended_prio_bits;/* Recommended Priority bits in vlan tag */
593 struct be_dma_mem rx_filter; /* Cmd DMA mem for rx-filter */
594
595 struct be_dma_mem stats_cmd;
596 /* Work queue used to perform periodic tasks like getting statistics */
597 struct delayed_work work;
598 u16 work_counter;
599
600 u8 recovery_retries;
601 u8 err_flags;
602 bool pcicfg_mapped; /* pcicfg obtained via pci_iomap() */
603 u32 flags;
604 u32 cmd_privileges;
605 /* Ethtool knobs and info */
606 char fw_ver[FW_VER_LEN];
607 char fw_on_flash[FW_VER_LEN];
608
609 /* IFACE filtering fields */
610 int if_handle; /* Used to configure filtering */
611 u32 if_flags; /* Interface filtering flags */
612 u32 *pmac_id; /* MAC addr handle used by BE card */
613 struct be_eth_addr *uc_list;/* list of uc-addrs programmed (not perm) */
614 u32 uc_macs; /* Count of secondary UC MAC programmed */
615 struct be_eth_addr *mc_list;/* list of mcast addrs programmed */
616 u32 mc_count;
617 unsigned long vids[BITS_TO_LONGS(VLAN_N_VID)];
618 u16 vlans_added;
619 bool update_uc_list;
620 bool update_mc_list;
621 struct mutex rx_filter_lock;/* For protecting vids[] & mc/uc_list[] */
622
623 u32 beacon_state; /* for set_phys_id */
624
625 u32 port_num;
626 char port_name;
627 u8 mc_type;
628 u32 function_mode;
629 u32 function_caps;
630 u32 rx_fc; /* Rx flow control */
631 u32 tx_fc; /* Tx flow control */
632 bool stats_cmd_sent;
633 struct {
634 u32 size;
635 u32 total_size;
636 u64 io_addr;
637 } roce_db;
638 u32 num_msix_roce_vec;
639 struct ocrdma_dev *ocrdma_dev;
640 struct list_head entry;
641
642 u32 flash_status;
643 struct completion et_cmd_compl;
644
645 struct be_resources pool_res; /* resources available for the port */
646 struct be_resources res; /* resources available for the func */
647 u16 num_vfs; /* Number of VFs provisioned by PF */
648 u8 pf_num; /* Numbering used by FW, starts at 0 */
649 u8 vf_num; /* Numbering used by FW, starts at 1 */
650 u8 virtfn;
651 struct be_vf_cfg *vf_cfg;
652 bool be3_native;
653 u32 sli_family;
654 u8 hba_port_num;
655 u16 pvid;
656 __be16 vxlan_port; /* offloaded vxlan port num */
657 struct phy_info phy;
658 u8 wol_cap;
659 bool wol_en;
660 u16 asic_rev;
661 u16 qnq_vid;
662 u32 msg_enable;
663 int be_get_temp_freq;
664 struct be_hwmon hwmon_info;
665 struct rss_info rss_info;
666 /* Filters for packets that need to be sent to BMC */
667 u32 bmc_filt_mask;
668 u32 fat_dump_len;
669 u16 serial_num[CNTL_SERIAL_NUM_WORDS];
670 u8 phy_state; /* state of sfp optics (functional, faulted, etc.,) */
671 u8 dev_mac[ETH_ALEN];
672 u32 priv_flags; /* ethtool get/set_priv_flags() */
673 struct be_error_recovery error_recovery;
674 };
675
676 /* Used for defered FW config cmds. Add fields to this struct as reqd */
677 struct be_cmd_work {
678 struct work_struct work;
679 struct be_adapter *adapter;
680 };
681
682 #define be_physfn(adapter) (!adapter->virtfn)
683 #define be_virtfn(adapter) (adapter->virtfn)
684 #define sriov_enabled(adapter) (adapter->flags & \
685 BE_FLAGS_SRIOV_ENABLED)
686
687 #define for_all_vfs(adapter, vf_cfg, i) \
688 for (i = 0, vf_cfg = &adapter->vf_cfg[i]; i < adapter->num_vfs; \
689 i++, vf_cfg++)
690
691 #define ON 1
692 #define OFF 0
693
694 #define be_max_vlans(adapter) (adapter->res.max_vlans)
695 #define be_max_uc(adapter) (adapter->res.max_uc_mac)
696 #define be_max_mc(adapter) (adapter->res.max_mcast_mac)
697 #define be_max_vfs(adapter) (adapter->pool_res.max_vfs)
698 #define be_max_rss(adapter) (adapter->res.max_rss_qs)
699 #define be_max_txqs(adapter) (adapter->res.max_tx_qs)
700 #define be_max_prio_txqs(adapter) (adapter->res.max_prio_tx_qs)
701 #define be_max_rxqs(adapter) (adapter->res.max_rx_qs)
702 /* Max number of EQs available for the function (NIC + RoCE (if enabled)) */
703 #define be_max_func_eqs(adapter) (adapter->res.max_evt_qs)
704 /* Max number of EQs available avaialble only for NIC */
705 #define be_max_nic_eqs(adapter) (adapter->res.max_nic_evt_qs)
706 #define be_if_cap_flags(adapter) (adapter->res.if_cap_flags)
707 #define be_max_pf_pool_rss_tables(adapter) \
708 (adapter->pool_res.max_rss_tables)
709 /* Max irqs avaialble for NIC */
710 #define be_max_irqs(adapter) \
711 (min_t(u16, be_max_nic_eqs(adapter), num_online_cpus()))
712
713 /* Max irqs *needed* for RX queues */
be_max_rx_irqs(struct be_adapter * adapter)714 static inline u16 be_max_rx_irqs(struct be_adapter *adapter)
715 {
716 /* If no RSS, need atleast one irq for def-RXQ */
717 u16 num = max_t(u16, be_max_rss(adapter), 1);
718
719 return min_t(u16, num, be_max_irqs(adapter));
720 }
721
722 /* Max irqs *needed* for TX queues */
be_max_tx_irqs(struct be_adapter * adapter)723 static inline u16 be_max_tx_irqs(struct be_adapter *adapter)
724 {
725 return min_t(u16, be_max_txqs(adapter), be_max_irqs(adapter));
726 }
727
728 /* Max irqs *needed* for combined queues */
be_max_qp_irqs(struct be_adapter * adapter)729 static inline u16 be_max_qp_irqs(struct be_adapter *adapter)
730 {
731 return min(be_max_tx_irqs(adapter), be_max_rx_irqs(adapter));
732 }
733
734 /* Max irqs *needed* for RX and TX queues together */
be_max_any_irqs(struct be_adapter * adapter)735 static inline u16 be_max_any_irqs(struct be_adapter *adapter)
736 {
737 return max(be_max_tx_irqs(adapter), be_max_rx_irqs(adapter));
738 }
739
740 /* Is BE in pvid_tagging mode */
741 #define be_pvid_tagging_enabled(adapter) (adapter->pvid)
742
743 /* Is BE in QNQ multi-channel mode */
744 #define be_is_qnq_mode(adapter) (adapter->function_mode & QNQ_MODE)
745
746 #ifdef CONFIG_BE2NET_LANCER
747 #define lancer_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID3 || \
748 adapter->pdev->device == OC_DEVICE_ID4)
749 #else
750 #define lancer_chip(adapter) (0)
751 #endif /* CONFIG_BE2NET_LANCER */
752
753 #ifdef CONFIG_BE2NET_SKYHAWK
754 #define skyhawk_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID5 || \
755 adapter->pdev->device == OC_DEVICE_ID6)
756 #else
757 #define skyhawk_chip(adapter) (0)
758 #endif /* CONFIG_BE2NET_SKYHAWK */
759
760 #ifdef CONFIG_BE2NET_BE3
761 #define BE3_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID2 || \
762 adapter->pdev->device == OC_DEVICE_ID2)
763 #else
764 #define BE3_chip(adapter) (0)
765 #endif /* CONFIG_BE2NET_BE3 */
766
767 #ifdef CONFIG_BE2NET_BE2
768 #define BE2_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID1 || \
769 adapter->pdev->device == OC_DEVICE_ID1)
770 #else
771 #define BE2_chip(adapter) (0)
772 #endif /* CONFIG_BE2NET_BE2 */
773
774 #define BEx_chip(adapter) (BE3_chip(adapter) || BE2_chip(adapter))
775
776 #define be_roce_supported(adapter) (skyhawk_chip(adapter) && \
777 (adapter->function_mode & RDMA_ENABLED))
778
779 extern const struct ethtool_ops be_ethtool_ops;
780
781 #define msix_enabled(adapter) (adapter->num_msix_vec > 0)
782 #define num_irqs(adapter) (msix_enabled(adapter) ? \
783 adapter->num_msix_vec : 1)
784 #define tx_stats(txo) (&(txo)->stats)
785 #define rx_stats(rxo) (&(rxo)->stats)
786
787 /* The default RXQ is the last RXQ */
788 #define default_rxo(adpt) (&adpt->rx_obj[adpt->num_rx_qs - 1])
789
790 #define for_all_rx_queues(adapter, rxo, i) \
791 for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs; \
792 i++, rxo++)
793
794 #define for_all_rss_queues(adapter, rxo, i) \
795 for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rss_qs; \
796 i++, rxo++)
797
798 #define for_all_tx_queues(adapter, txo, i) \
799 for (i = 0, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs; \
800 i++, txo++)
801
802 #define for_all_evt_queues(adapter, eqo, i) \
803 for (i = 0, eqo = &adapter->eq_obj[i]; i < adapter->num_evt_qs; \
804 i++, eqo++)
805
806 #define for_all_rx_queues_on_eq(adapter, eqo, rxo, i) \
807 for (i = eqo->idx, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs;\
808 i += adapter->num_evt_qs, rxo += adapter->num_evt_qs)
809
810 #define for_all_tx_queues_on_eq(adapter, eqo, txo, i) \
811 for (i = eqo->idx, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs;\
812 i += adapter->num_evt_qs, txo += adapter->num_evt_qs)
813
814 #define is_mcc_eqo(eqo) (eqo->idx == 0)
815 #define mcc_eqo(adapter) (&adapter->eq_obj[0])
816
817 #define PAGE_SHIFT_4K 12
818 #define PAGE_SIZE_4K (1 << PAGE_SHIFT_4K)
819
820 /* Returns number of pages spanned by the data starting at the given addr */
821 #define PAGES_4K_SPANNED(_address, size) \
822 ((u32)((((size_t)(_address) & (PAGE_SIZE_4K - 1)) + \
823 (size) + (PAGE_SIZE_4K - 1)) >> PAGE_SHIFT_4K))
824
825 /* Returns bit offset within a DWORD of a bitfield */
826 #define AMAP_BIT_OFFSET(_struct, field) \
827 (((size_t)&(((_struct *)0)->field))%32)
828
829 /* Returns the bit mask of the field that is NOT shifted into location. */
amap_mask(u32 bitsize)830 static inline u32 amap_mask(u32 bitsize)
831 {
832 return (bitsize == 32 ? 0xFFFFFFFF : (1 << bitsize) - 1);
833 }
834
835 static inline void
amap_set(void * ptr,u32 dw_offset,u32 mask,u32 offset,u32 value)836 amap_set(void *ptr, u32 dw_offset, u32 mask, u32 offset, u32 value)
837 {
838 u32 *dw = (u32 *) ptr + dw_offset;
839 *dw &= ~(mask << offset);
840 *dw |= (mask & value) << offset;
841 }
842
843 #define AMAP_SET_BITS(_struct, field, ptr, val) \
844 amap_set(ptr, \
845 offsetof(_struct, field)/32, \
846 amap_mask(sizeof(((_struct *)0)->field)), \
847 AMAP_BIT_OFFSET(_struct, field), \
848 val)
849
amap_get(void * ptr,u32 dw_offset,u32 mask,u32 offset)850 static inline u32 amap_get(void *ptr, u32 dw_offset, u32 mask, u32 offset)
851 {
852 u32 *dw = (u32 *) ptr;
853 return mask & (*(dw + dw_offset) >> offset);
854 }
855
856 #define AMAP_GET_BITS(_struct, field, ptr) \
857 amap_get(ptr, \
858 offsetof(_struct, field)/32, \
859 amap_mask(sizeof(((_struct *)0)->field)), \
860 AMAP_BIT_OFFSET(_struct, field))
861
862 #define GET_RX_COMPL_V0_BITS(field, ptr) \
863 AMAP_GET_BITS(struct amap_eth_rx_compl_v0, field, ptr)
864
865 #define GET_RX_COMPL_V1_BITS(field, ptr) \
866 AMAP_GET_BITS(struct amap_eth_rx_compl_v1, field, ptr)
867
868 #define GET_TX_COMPL_BITS(field, ptr) \
869 AMAP_GET_BITS(struct amap_eth_tx_compl, field, ptr)
870
871 #define SET_TX_WRB_HDR_BITS(field, ptr, val) \
872 AMAP_SET_BITS(struct amap_eth_hdr_wrb, field, ptr, val)
873
874 #define be_dws_cpu_to_le(wrb, len) swap_dws(wrb, len)
875 #define be_dws_le_to_cpu(wrb, len) swap_dws(wrb, len)
swap_dws(void * wrb,int len)876 static inline void swap_dws(void *wrb, int len)
877 {
878 #ifdef __BIG_ENDIAN
879 u32 *dw = wrb;
880 BUG_ON(len % 4);
881 do {
882 *dw = cpu_to_le32(*dw);
883 dw++;
884 len -= 4;
885 } while (len);
886 #endif /* __BIG_ENDIAN */
887 }
888
889 #define be_cmd_status(status) (status > 0 ? -EIO : status)
890
is_tcp_pkt(struct sk_buff * skb)891 static inline u8 is_tcp_pkt(struct sk_buff *skb)
892 {
893 u8 val = 0;
894
895 if (ip_hdr(skb)->version == 4)
896 val = (ip_hdr(skb)->protocol == IPPROTO_TCP);
897 else if (ip_hdr(skb)->version == 6)
898 val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_TCP);
899
900 return val;
901 }
902
is_udp_pkt(struct sk_buff * skb)903 static inline u8 is_udp_pkt(struct sk_buff *skb)
904 {
905 u8 val = 0;
906
907 if (ip_hdr(skb)->version == 4)
908 val = (ip_hdr(skb)->protocol == IPPROTO_UDP);
909 else if (ip_hdr(skb)->version == 6)
910 val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_UDP);
911
912 return val;
913 }
914
is_ipv4_pkt(struct sk_buff * skb)915 static inline bool is_ipv4_pkt(struct sk_buff *skb)
916 {
917 return skb->protocol == htons(ETH_P_IP) && ip_hdr(skb)->version == 4;
918 }
919
is_ipv6_ext_hdr(struct sk_buff * skb)920 static inline bool is_ipv6_ext_hdr(struct sk_buff *skb)
921 {
922 if (ip_hdr(skb)->version == 6)
923 return ipv6_ext_hdr(ipv6_hdr(skb)->nexthdr);
924 else
925 return false;
926 }
927
928 #define be_error_recovering(adapter) \
929 (adapter->flags & BE_FLAGS_TRY_RECOVERY)
930
931 #define BE_ERROR_EEH 1
932 #define BE_ERROR_UE BIT(1)
933 #define BE_ERROR_FW BIT(2)
934 #define BE_ERROR_TX BIT(3)
935 #define BE_ERROR_HW (BE_ERROR_EEH | BE_ERROR_UE | BE_ERROR_TX)
936 #define BE_ERROR_ANY (BE_ERROR_EEH | BE_ERROR_UE | BE_ERROR_FW | \
937 BE_ERROR_TX)
938 #define BE_CLEAR_ALL 0xFF
939
be_check_error(struct be_adapter * adapter,u32 err_type)940 static inline u8 be_check_error(struct be_adapter *adapter, u32 err_type)
941 {
942 return (adapter->err_flags & err_type);
943 }
944
be_set_error(struct be_adapter * adapter,int err_type)945 static inline void be_set_error(struct be_adapter *adapter, int err_type)
946 {
947 struct net_device *netdev = adapter->netdev;
948
949 adapter->err_flags |= err_type;
950 netif_carrier_off(netdev);
951
952 dev_info(&adapter->pdev->dev, "%s: Link down\n", netdev->name);
953 }
954
be_clear_error(struct be_adapter * adapter,int err_type)955 static inline void be_clear_error(struct be_adapter *adapter, int err_type)
956 {
957 adapter->err_flags &= ~err_type;
958 }
959
be_multi_rxq(const struct be_adapter * adapter)960 static inline bool be_multi_rxq(const struct be_adapter *adapter)
961 {
962 return adapter->num_rx_qs > 1;
963 }
964
965 void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm,
966 u16 num_popped);
967 void be_link_status_update(struct be_adapter *adapter, u8 link_status);
968 void be_parse_stats(struct be_adapter *adapter);
969 int be_load_fw(struct be_adapter *adapter, u8 *func);
970 bool be_is_wol_supported(struct be_adapter *adapter);
971 bool be_pause_supported(struct be_adapter *adapter);
972 u32 be_get_fw_log_level(struct be_adapter *adapter);
973 int be_update_queues(struct be_adapter *adapter);
974 int be_poll(struct napi_struct *napi, int budget);
975 void be_eqd_update(struct be_adapter *adapter, bool force_update);
976
977 /*
978 * internal function to initialize-cleanup roce device.
979 */
980 void be_roce_dev_add(struct be_adapter *);
981 void be_roce_dev_remove(struct be_adapter *);
982
983 /*
984 * internal function to open-close roce device during ifup-ifdown.
985 */
986 void be_roce_dev_shutdown(struct be_adapter *);
987
988 #endif /* BE_H */
989