1 /*
2 * Copyright (C) 2005 - 2016 Broadcom
3 * All rights reserved.
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License version 2
7 * as published by the Free Software Foundation. The full GNU General
8 * Public License is included in this distribution in the file called COPYING.
9 *
10 * Contact Information:
11 * linux-drivers@emulex.com
12 *
13 * Emulex
14 * 3333 Susan Street
15 * Costa Mesa, CA 92626
16 */
17
18 #ifndef BE_H
19 #define BE_H
20
21 #include <linux/pci.h>
22 #include <linux/etherdevice.h>
23 #include <linux/delay.h>
24 #include <net/tcp.h>
25 #include <net/ip.h>
26 #include <net/ipv6.h>
27 #include <linux/if_vlan.h>
28 #include <linux/workqueue.h>
29 #include <linux/interrupt.h>
30 #include <linux/firmware.h>
31 #include <linux/slab.h>
32 #include <linux/u64_stats_sync.h>
33 #include <linux/cpumask.h>
34 #include <linux/hwmon.h>
35 #include <linux/hwmon-sysfs.h>
36
37 #include "be_hw.h"
38 #include "be_roce.h"
39
40 #define DRV_VER "12.0.0.0"
41 #define DRV_NAME "be2net"
42 #define BE_NAME "Emulex BladeEngine2"
43 #define BE3_NAME "Emulex BladeEngine3"
44 #define OC_NAME "Emulex OneConnect"
45 #define OC_NAME_BE OC_NAME "(be3)"
46 #define OC_NAME_LANCER OC_NAME "(Lancer)"
47 #define OC_NAME_SH OC_NAME "(Skyhawk)"
48 #define DRV_DESC "Emulex OneConnect NIC Driver"
49
50 #define BE_VENDOR_ID 0x19a2
51 #define EMULEX_VENDOR_ID 0x10df
52 #define BE_DEVICE_ID1 0x211
53 #define BE_DEVICE_ID2 0x221
54 #define OC_DEVICE_ID1 0x700 /* Device Id for BE2 cards */
55 #define OC_DEVICE_ID2 0x710 /* Device Id for BE3 cards */
56 #define OC_DEVICE_ID3 0xe220 /* Device id for Lancer cards */
57 #define OC_DEVICE_ID4 0xe228 /* Device id for VF in Lancer */
58 #define OC_DEVICE_ID5 0x720 /* Device Id for Skyhawk cards */
59 #define OC_DEVICE_ID6 0x728 /* Device id for VF in SkyHawk */
60 #define OC_SUBSYS_DEVICE_ID1 0xE602
61 #define OC_SUBSYS_DEVICE_ID2 0xE642
62 #define OC_SUBSYS_DEVICE_ID3 0xE612
63 #define OC_SUBSYS_DEVICE_ID4 0xE652
64
65 /* Number of bytes of an RX frame that are copied to skb->data */
66 #define BE_HDR_LEN ((u16) 64)
67 /* allocate extra space to allow tunneling decapsulation without head reallocation */
68 #define BE_RX_SKB_ALLOC_SIZE 256
69
70 #define BE_MAX_JUMBO_FRAME_SIZE 9018
71 #define BE_MIN_MTU 256
72 #define BE_MAX_MTU (BE_MAX_JUMBO_FRAME_SIZE - \
73 (ETH_HLEN + ETH_FCS_LEN))
74
75 /* Accommodate for QnQ configurations where VLAN insertion is enabled in HW */
76 #define BE_MAX_GSO_SIZE (65535 - 2 * VLAN_HLEN)
77
78 #define BE_NUM_VLANS_SUPPORTED 64
79 #define BE_MAX_EQD 128u
80 #define BE_MAX_TX_FRAG_COUNT 30
81
82 #define EVNT_Q_LEN 1024
83 #define TX_Q_LEN 2048
84 #define TX_CQ_LEN 1024
85 #define RX_Q_LEN 1024 /* Does not support any other value */
86 #define RX_CQ_LEN 1024
87 #define MCC_Q_LEN 128 /* total size not to exceed 8 pages */
88 #define MCC_CQ_LEN 256
89
90 #define BE2_MAX_RSS_QS 4
91 #define BE3_MAX_RSS_QS 16
92 #define BE3_MAX_TX_QS 16
93 #define BE3_MAX_EVT_QS 16
94 #define BE3_SRIOV_MAX_EVT_QS 8
95 #define SH_VF_MAX_NIC_EQS 3 /* Skyhawk VFs can have a max of 4 EQs
96 * and at least 1 is granted to either
97 * SURF/DPDK
98 */
99
100 #define MAX_PORT_RSS_TABLES 15
101 #define MAX_NIC_FUNCS 16
102 #define MAX_RX_QS 32
103 #define MAX_EVT_QS 32
104 #define MAX_TX_QS 32
105
106 #define MAX_ROCE_EQS 5
107 #define MAX_MSIX_VECTORS 32
108 #define MIN_MSIX_VECTORS 1
109 #define BE_NAPI_WEIGHT 64
110 #define MAX_RX_POST BE_NAPI_WEIGHT /* Frags posted at a time */
111 #define RX_FRAGS_REFILL_WM (RX_Q_LEN - MAX_RX_POST)
112 #define MAX_NUM_POST_ERX_DB 255u
113
114 #define MAX_VFS 30 /* Max VFs supported by BE3 FW */
115 #define FW_VER_LEN 32
116 #define CNTL_SERIAL_NUM_WORDS 8 /* Controller serial number words */
117 #define CNTL_SERIAL_NUM_WORD_SZ (sizeof(u16)) /* Byte-sz of serial num word */
118
119 #define RSS_INDIR_TABLE_LEN 128
120 #define RSS_HASH_KEY_LEN 40
121
122 #define BE_UNKNOWN_PHY_STATE 0xFF
123
124 struct be_dma_mem {
125 void *va;
126 dma_addr_t dma;
127 u32 size;
128 };
129
130 struct be_queue_info {
131 u32 len;
132 u32 entry_size; /* Size of an element in the queue */
133 u32 tail, head;
134 atomic_t used; /* Number of valid elements in the queue */
135 u32 id;
136 struct be_dma_mem dma_mem;
137 bool created;
138 };
139
MODULO(u32 val,u32 limit)140 static inline u32 MODULO(u32 val, u32 limit)
141 {
142 BUG_ON(limit & (limit - 1));
143 return val & (limit - 1);
144 }
145
index_adv(u32 * index,u32 val,u32 limit)146 static inline void index_adv(u32 *index, u32 val, u32 limit)
147 {
148 *index = MODULO((*index + val), limit);
149 }
150
index_inc(u32 * index,u32 limit)151 static inline void index_inc(u32 *index, u32 limit)
152 {
153 *index = MODULO((*index + 1), limit);
154 }
155
queue_head_node(struct be_queue_info * q)156 static inline void *queue_head_node(struct be_queue_info *q)
157 {
158 return q->dma_mem.va + q->head * q->entry_size;
159 }
160
queue_tail_node(struct be_queue_info * q)161 static inline void *queue_tail_node(struct be_queue_info *q)
162 {
163 return q->dma_mem.va + q->tail * q->entry_size;
164 }
165
queue_index_node(struct be_queue_info * q,u16 index)166 static inline void *queue_index_node(struct be_queue_info *q, u16 index)
167 {
168 return q->dma_mem.va + index * q->entry_size;
169 }
170
queue_head_inc(struct be_queue_info * q)171 static inline void queue_head_inc(struct be_queue_info *q)
172 {
173 index_inc(&q->head, q->len);
174 }
175
index_dec(u32 * index,u32 limit)176 static inline void index_dec(u32 *index, u32 limit)
177 {
178 *index = MODULO((*index - 1), limit);
179 }
180
queue_tail_inc(struct be_queue_info * q)181 static inline void queue_tail_inc(struct be_queue_info *q)
182 {
183 index_inc(&q->tail, q->len);
184 }
185
186 struct be_eq_obj {
187 struct be_queue_info q;
188
189 struct be_adapter *adapter;
190 struct napi_struct napi;
191 u8 idx; /* array index */
192 u8 msix_idx;
193 u16 spurious_intr;
194 cpumask_var_t affinity_mask;
195 } ____cacheline_aligned_in_smp;
196
197 struct be_aic_obj { /* Adaptive interrupt coalescing (AIC) info */
198 bool enable;
199 u32 min_eqd; /* in usecs */
200 u32 max_eqd; /* in usecs */
201 u32 prev_eqd; /* in usecs */
202 u32 et_eqd; /* configured val when aic is off */
203 ulong jiffies;
204 u64 rx_pkts_prev; /* Used to calculate RX pps */
205 u64 tx_reqs_prev; /* Used to calculate TX pps */
206 };
207
208 struct be_mcc_obj {
209 struct be_queue_info q;
210 struct be_queue_info cq;
211 bool rearm_cq;
212 };
213
214 struct be_tx_stats {
215 u64 tx_bytes;
216 u64 tx_pkts;
217 u64 tx_vxlan_offload_pkts;
218 u64 tx_reqs;
219 u64 tx_compl;
220 u32 tx_stops;
221 u32 tx_drv_drops; /* pkts dropped by driver */
222 /* the error counters are described in be_ethtool.c */
223 u32 tx_hdr_parse_err;
224 u32 tx_dma_err;
225 u32 tx_tso_err;
226 u32 tx_spoof_check_err;
227 u32 tx_qinq_err;
228 u32 tx_internal_parity_err;
229 u32 tx_sge_err;
230 struct u64_stats_sync sync;
231 struct u64_stats_sync sync_compl;
232 };
233
234 /* Structure to hold some data of interest obtained from a TX CQE */
235 struct be_tx_compl_info {
236 u8 status; /* Completion status */
237 u16 end_index; /* Completed TXQ Index */
238 };
239
240 struct be_tx_obj {
241 u32 db_offset;
242 struct be_tx_compl_info txcp;
243 struct be_queue_info q;
244 struct be_queue_info cq;
245 /* Remember the skbs that were transmitted */
246 struct sk_buff *sent_skb_list[TX_Q_LEN];
247 struct be_tx_stats stats;
248 u16 pend_wrb_cnt; /* Number of WRBs yet to be given to HW */
249 u16 last_req_wrb_cnt; /* wrb cnt of the last req in the Q */
250 u16 last_req_hdr; /* index of the last req's hdr-wrb */
251 } ____cacheline_aligned_in_smp;
252
253 /* Struct to remember the pages posted for rx frags */
254 struct be_rx_page_info {
255 struct page *page;
256 /* set to page-addr for last frag of the page & frag-addr otherwise */
257 DEFINE_DMA_UNMAP_ADDR(bus);
258 u16 page_offset;
259 bool last_frag; /* last frag of the page */
260 };
261
262 struct be_rx_stats {
263 u64 rx_bytes;
264 u64 rx_pkts;
265 u64 rx_vxlan_offload_pkts;
266 u32 rx_drops_no_skbs; /* skb allocation errors */
267 u32 rx_drops_no_frags; /* HW has no fetched frags */
268 u32 rx_post_fail; /* page post alloc failures */
269 u32 rx_compl;
270 u32 rx_mcast_pkts;
271 u32 rx_compl_err; /* completions with err set */
272 struct u64_stats_sync sync;
273 };
274
275 struct be_rx_compl_info {
276 u32 rss_hash;
277 u16 vlan_tag;
278 u16 pkt_size;
279 u16 port;
280 u8 vlanf;
281 u8 num_rcvd;
282 u8 err;
283 u8 ipf;
284 u8 tcpf;
285 u8 udpf;
286 u8 ip_csum;
287 u8 l4_csum;
288 u8 ipv6;
289 u8 qnq;
290 u8 pkt_type;
291 u8 ip_frag;
292 u8 tunneled;
293 };
294
295 struct be_rx_obj {
296 struct be_adapter *adapter;
297 struct be_queue_info q;
298 struct be_queue_info cq;
299 struct be_rx_compl_info rxcp;
300 struct be_rx_page_info page_info_tbl[RX_Q_LEN];
301 struct be_rx_stats stats;
302 u8 rss_id;
303 bool rx_post_starved; /* Zero rx frags have been posted to BE */
304 } ____cacheline_aligned_in_smp;
305
306 struct be_drv_stats {
307 u32 eth_red_drops;
308 u32 dma_map_errors;
309 u32 rx_drops_no_pbuf;
310 u32 rx_drops_no_txpb;
311 u32 rx_drops_no_erx_descr;
312 u32 rx_drops_no_tpre_descr;
313 u32 rx_drops_too_many_frags;
314 u32 forwarded_packets;
315 u32 rx_drops_mtu;
316 u32 rx_crc_errors;
317 u32 rx_alignment_symbol_errors;
318 u32 rx_pause_frames;
319 u32 rx_priority_pause_frames;
320 u32 rx_control_frames;
321 u32 rx_in_range_errors;
322 u32 rx_out_range_errors;
323 u32 rx_frame_too_long;
324 u32 rx_address_filtered;
325 u32 rx_dropped_too_small;
326 u32 rx_dropped_too_short;
327 u32 rx_dropped_header_too_small;
328 u32 rx_dropped_tcp_length;
329 u32 rx_dropped_runt;
330 u32 rx_ip_checksum_errs;
331 u32 rx_tcp_checksum_errs;
332 u32 rx_udp_checksum_errs;
333 u32 tx_pauseframes;
334 u32 tx_priority_pauseframes;
335 u32 tx_controlframes;
336 u32 rxpp_fifo_overflow_drop;
337 u32 rx_input_fifo_overflow_drop;
338 u32 pmem_fifo_overflow_drop;
339 u32 jabber_events;
340 u32 rx_roce_bytes_lsd;
341 u32 rx_roce_bytes_msd;
342 u32 rx_roce_frames;
343 u32 roce_drops_payload_len;
344 u32 roce_drops_crc;
345 };
346
347 /* A vlan-id of 0xFFFF must be used to clear transparent vlan-tagging */
348 #define BE_RESET_VLAN_TAG_ID 0xFFFF
349
350 struct be_vf_cfg {
351 unsigned char mac_addr[ETH_ALEN];
352 int if_handle;
353 int pmac_id;
354 u16 vlan_tag;
355 u32 tx_rate;
356 u32 plink_tracking;
357 u32 privileges;
358 bool spoofchk;
359 };
360
361 enum vf_state {
362 ENABLED = 0,
363 ASSIGNED = 1
364 };
365
366 #define BE_FLAGS_LINK_STATUS_INIT BIT(1)
367 #define BE_FLAGS_SRIOV_ENABLED BIT(2)
368 #define BE_FLAGS_WORKER_SCHEDULED BIT(3)
369 #define BE_FLAGS_NAPI_ENABLED BIT(6)
370 #define BE_FLAGS_QNQ_ASYNC_EVT_RCVD BIT(7)
371 #define BE_FLAGS_VXLAN_OFFLOADS BIT(8)
372 #define BE_FLAGS_SETUP_DONE BIT(9)
373 #define BE_FLAGS_PHY_MISCONFIGURED BIT(10)
374 #define BE_FLAGS_ERR_DETECTION_SCHEDULED BIT(11)
375 #define BE_FLAGS_OS2BMC BIT(12)
376 #define BE_FLAGS_TRY_RECOVERY BIT(13)
377
378 #define BE_UC_PMAC_COUNT 30
379 #define BE_VF_UC_PMAC_COUNT 2
380
381 #define MAX_ERR_RECOVERY_RETRY_COUNT 3
382 #define ERR_DETECTION_DELAY 1000
383
384 /* Ethtool set_dump flags */
385 #define LANCER_INITIATE_FW_DUMP 0x1
386 #define LANCER_DELETE_FW_DUMP 0x2
387
388 struct phy_info {
389 /* From SFF-8472 spec */
390 #define SFP_VENDOR_NAME_LEN 17
391 u8 transceiver;
392 u8 autoneg;
393 u8 fc_autoneg;
394 u8 port_type;
395 u16 phy_type;
396 u16 interface_type;
397 u32 misc_params;
398 u16 auto_speeds_supported;
399 u16 fixed_speeds_supported;
400 int link_speed;
401 u32 advertising;
402 u32 supported;
403 u8 cable_type;
404 u8 vendor_name[SFP_VENDOR_NAME_LEN];
405 u8 vendor_pn[SFP_VENDOR_NAME_LEN];
406 };
407
408 struct be_resources {
409 u16 max_vfs; /* Total VFs "really" supported by FW/HW */
410 u16 max_mcast_mac;
411 u16 max_tx_qs;
412 u16 max_rss_qs;
413 u16 max_rx_qs;
414 u16 max_cq_count;
415 u16 max_uc_mac; /* Max UC MACs programmable */
416 u16 max_vlans; /* Number of vlans supported */
417 u16 max_iface_count;
418 u16 max_mcc_count;
419 u16 max_evt_qs;
420 u16 max_nic_evt_qs; /* NIC's share of evt qs */
421 u32 if_cap_flags;
422 u32 vf_if_cap_flags; /* VF if capability flags */
423 u32 flags;
424 /* Calculated PF Pool's share of RSS Tables. This is not enforced by
425 * the FW, but is a self-imposed driver limitation.
426 */
427 u16 max_rss_tables;
428 };
429
430 /* These are port-wide values */
431 struct be_port_resources {
432 u16 max_vfs;
433 u16 nic_pfs;
434 };
435
436 #define be_is_os2bmc_enabled(adapter) (adapter->flags & BE_FLAGS_OS2BMC)
437
438 struct rss_info {
439 u8 rsstable[RSS_INDIR_TABLE_LEN];
440 u8 rss_queue[RSS_INDIR_TABLE_LEN];
441 u8 rss_hkey[RSS_HASH_KEY_LEN];
442 u64 rss_flags;
443 };
444
445 #define BE_INVALID_DIE_TEMP 0xFF
446 struct be_hwmon {
447 struct device *hwmon_dev;
448 u8 be_on_die_temp; /* Unit: millidegree Celsius */
449 };
450
451 /* Macros to read/write the 'features' word of be_wrb_params structure.
452 */
453 #define BE_WRB_F_BIT(name) BE_WRB_F_##name##_BIT
454 #define BE_WRB_F_MASK(name) BIT_MASK(BE_WRB_F_##name##_BIT)
455
456 #define BE_WRB_F_GET(word, name) \
457 (((word) & (BE_WRB_F_MASK(name))) >> BE_WRB_F_BIT(name))
458
459 #define BE_WRB_F_SET(word, name, val) \
460 ((word) |= (((val) << BE_WRB_F_BIT(name)) & BE_WRB_F_MASK(name)))
461
462 /* Feature/offload bits */
463 enum {
464 BE_WRB_F_CRC_BIT, /* Ethernet CRC */
465 BE_WRB_F_IPCS_BIT, /* IP csum */
466 BE_WRB_F_TCPCS_BIT, /* TCP csum */
467 BE_WRB_F_UDPCS_BIT, /* UDP csum */
468 BE_WRB_F_LSO_BIT, /* LSO */
469 BE_WRB_F_LSO6_BIT, /* LSO6 */
470 BE_WRB_F_VLAN_BIT, /* VLAN */
471 BE_WRB_F_VLAN_SKIP_HW_BIT, /* Skip VLAN tag (workaround) */
472 BE_WRB_F_OS2BMC_BIT /* Send packet to the management ring */
473 };
474
475 /* The structure below provides a HW-agnostic abstraction of WRB params
476 * retrieved from a TX skb. This is in turn passed to chip specific routines
477 * during transmit, to set the corresponding params in the WRB.
478 */
479 struct be_wrb_params {
480 u32 features; /* Feature bits */
481 u16 vlan_tag; /* VLAN tag */
482 u16 lso_mss; /* MSS for LSO */
483 };
484
485 struct be_eth_addr {
486 unsigned char mac[ETH_ALEN];
487 };
488
489 #define BE_SEC 1000 /* in msec */
490 #define BE_MIN (60 * BE_SEC) /* in msec */
491 #define BE_HOUR (60 * BE_MIN) /* in msec */
492
493 #define ERR_RECOVERY_MAX_RETRY_COUNT 3
494 #define ERR_RECOVERY_DETECTION_DELAY BE_SEC
495 #define ERR_RECOVERY_RETRY_DELAY (30 * BE_SEC)
496
497 /* UE-detection-duration in BEx/Skyhawk:
498 * All PFs must wait for this duration after they detect UE before reading
499 * SLIPORT_SEMAPHORE register. At the end of this duration, the Firmware
500 * guarantees that the SLIPORT_SEMAPHORE register is updated to indicate
501 * if the UE is recoverable.
502 */
503 #define ERR_RECOVERY_UE_DETECT_DURATION BE_SEC
504
505 /* Initial idle time (in msec) to elapse after driver load,
506 * before UE recovery is allowed.
507 */
508 #define ERR_IDLE_HR 24
509 #define ERR_RECOVERY_IDLE_TIME (ERR_IDLE_HR * BE_HOUR)
510
511 /* Time interval (in msec) after which UE recovery can be repeated */
512 #define ERR_INTERVAL_HR 72
513 #define ERR_RECOVERY_INTERVAL (ERR_INTERVAL_HR * BE_HOUR)
514
515 /* BEx/SH UE recovery state machine */
516 enum {
517 ERR_RECOVERY_ST_NONE = 0, /* No Recovery */
518 ERR_RECOVERY_ST_DETECT = 1, /* UE detection duration */
519 ERR_RECOVERY_ST_RESET = 2, /* Reset Phase (PF0 only) */
520 ERR_RECOVERY_ST_PRE_POLL = 3, /* Pre-Poll Phase (all PFs) */
521 ERR_RECOVERY_ST_REINIT = 4 /* Re-initialize Phase */
522 };
523
524 struct be_error_recovery {
525 union {
526 u8 recovery_retries; /* used for Lancer */
527 u8 recovery_state; /* used for BEx and Skyhawk */
528 };
529
530 /* BEx/Skyhawk error recovery variables */
531 bool recovery_supported;
532 u16 ue_to_reset_time; /* Time after UE, to soft reset
533 * the chip - PF0 only
534 */
535 u16 ue_to_poll_time; /* Time after UE, to Restart Polling
536 * of SLIPORT_SEMAPHORE reg
537 */
538 u16 last_err_code;
539 unsigned long probe_time;
540 unsigned long last_recovery_time;
541
542 /* Common to both Lancer & BEx/SH error recovery */
543 u32 resched_delay;
544 struct delayed_work err_detection_work;
545 };
546
547 /* Ethtool priv_flags */
548 #define BE_DISABLE_TPE_RECOVERY 0x1
549
550 struct be_vxlan_port {
551 struct list_head list;
552 __be16 port; /* VxLAN UDP dst port */
553 int port_aliases; /* alias count */
554 };
555
556 struct be_adapter {
557 struct pci_dev *pdev;
558 struct net_device *netdev;
559
560 u8 __iomem *csr; /* CSR BAR used only for BE2/3 */
561 u8 __iomem *db; /* Door Bell */
562 u8 __iomem *pcicfg; /* On SH,BEx only. Shadow of PCI config space */
563
564 struct mutex mbox_lock; /* For serializing mbox cmds to BE card */
565 struct be_dma_mem mbox_mem;
566 /* Mbox mem is adjusted to align to 16 bytes. The allocated addr
567 * is stored for freeing purpose */
568 struct be_dma_mem mbox_mem_alloced;
569
570 struct be_mcc_obj mcc_obj;
571 struct mutex mcc_lock; /* For serializing mcc cmds to BE card */
572 spinlock_t mcc_cq_lock;
573
574 u16 cfg_num_rx_irqs; /* configured via set-channels */
575 u16 cfg_num_tx_irqs; /* configured via set-channels */
576 u16 num_evt_qs;
577 u16 num_msix_vec;
578 struct be_eq_obj eq_obj[MAX_EVT_QS];
579 struct msix_entry msix_entries[MAX_MSIX_VECTORS];
580 bool isr_registered;
581
582 /* TX Rings */
583 u16 num_tx_qs;
584 struct be_tx_obj tx_obj[MAX_TX_QS];
585
586 /* Rx rings */
587 u16 num_rx_qs;
588 u16 num_rss_qs;
589 u16 need_def_rxq;
590 struct be_rx_obj rx_obj[MAX_RX_QS];
591 u32 big_page_size; /* Compounded page size shared by rx wrbs */
592
593 struct be_drv_stats drv_stats;
594 struct be_aic_obj aic_obj[MAX_EVT_QS];
595 u8 vlan_prio_bmap; /* Available Priority BitMap */
596 u16 recommended_prio_bits;/* Recommended Priority bits in vlan tag */
597 struct be_dma_mem rx_filter; /* Cmd DMA mem for rx-filter */
598
599 struct be_dma_mem stats_cmd;
600 /* Work queue used to perform periodic tasks like getting statistics */
601 struct delayed_work work;
602 u16 work_counter;
603
604 u8 recovery_retries;
605 u8 err_flags;
606 bool pcicfg_mapped; /* pcicfg obtained via pci_iomap() */
607 u32 flags;
608 u32 cmd_privileges;
609 /* Ethtool knobs and info */
610 char fw_ver[FW_VER_LEN];
611 char fw_on_flash[FW_VER_LEN];
612
613 /* IFACE filtering fields */
614 int if_handle; /* Used to configure filtering */
615 u32 if_flags; /* Interface filtering flags */
616 u32 *pmac_id; /* MAC addr handle used by BE card */
617 struct be_eth_addr *uc_list;/* list of uc-addrs programmed (not perm) */
618 u32 uc_macs; /* Count of secondary UC MAC programmed */
619 struct be_eth_addr *mc_list;/* list of mcast addrs programmed */
620 u32 mc_count;
621 unsigned long vids[BITS_TO_LONGS(VLAN_N_VID)];
622 u16 vlans_added;
623 bool update_uc_list;
624 bool update_mc_list;
625 struct mutex rx_filter_lock;/* For protecting vids[] & mc/uc_list[] */
626
627 u32 beacon_state; /* for set_phys_id */
628
629 u32 port_num;
630 char port_name;
631 u8 mc_type;
632 u32 function_mode;
633 u32 function_caps;
634 u32 rx_fc; /* Rx flow control */
635 u32 tx_fc; /* Tx flow control */
636 bool stats_cmd_sent;
637 struct {
638 u32 size;
639 u32 total_size;
640 u64 io_addr;
641 } roce_db;
642 u32 num_msix_roce_vec;
643 struct ocrdma_dev *ocrdma_dev;
644 struct list_head entry;
645
646 u32 flash_status;
647 struct completion et_cmd_compl;
648
649 struct be_resources pool_res; /* resources available for the port */
650 struct be_resources res; /* resources available for the func */
651 u16 num_vfs; /* Number of VFs provisioned by PF */
652 u8 pf_num; /* Numbering used by FW, starts at 0 */
653 u8 vf_num; /* Numbering used by FW, starts at 1 */
654 u8 virtfn;
655 struct be_vf_cfg *vf_cfg;
656 bool be3_native;
657 u32 sli_family;
658 u8 hba_port_num;
659 u16 pvid;
660 __be16 vxlan_port; /* offloaded vxlan port num */
661 int vxlan_port_count; /* active vxlan port count */
662 struct list_head vxlan_port_list; /* vxlan port list */
663 struct phy_info phy;
664 u8 wol_cap;
665 bool wol_en;
666 u16 asic_rev;
667 u16 qnq_vid;
668 u32 msg_enable;
669 int be_get_temp_freq;
670 struct be_hwmon hwmon_info;
671 struct rss_info rss_info;
672 /* Filters for packets that need to be sent to BMC */
673 u32 bmc_filt_mask;
674 u32 fat_dump_len;
675 u16 serial_num[CNTL_SERIAL_NUM_WORDS];
676 u8 phy_state; /* state of sfp optics (functional, faulted, etc.,) */
677 u8 dev_mac[ETH_ALEN];
678 u32 priv_flags; /* ethtool get/set_priv_flags() */
679 struct be_error_recovery error_recovery;
680 };
681
682 /* Used for defered FW config cmds. Add fields to this struct as reqd */
683 struct be_cmd_work {
684 struct work_struct work;
685 struct be_adapter *adapter;
686 union {
687 __be16 vxlan_port;
688 } info;
689 };
690
691 #define be_physfn(adapter) (!adapter->virtfn)
692 #define be_virtfn(adapter) (adapter->virtfn)
693 #define sriov_enabled(adapter) (adapter->flags & \
694 BE_FLAGS_SRIOV_ENABLED)
695
696 #define for_all_vfs(adapter, vf_cfg, i) \
697 for (i = 0, vf_cfg = &adapter->vf_cfg[i]; i < adapter->num_vfs; \
698 i++, vf_cfg++)
699
700 #define ON 1
701 #define OFF 0
702
703 #define be_max_vlans(adapter) (adapter->res.max_vlans)
704 #define be_max_uc(adapter) (adapter->res.max_uc_mac)
705 #define be_max_mc(adapter) (adapter->res.max_mcast_mac)
706 #define be_max_vfs(adapter) (adapter->pool_res.max_vfs)
707 #define be_max_rss(adapter) (adapter->res.max_rss_qs)
708 #define be_max_txqs(adapter) (adapter->res.max_tx_qs)
709 #define be_max_prio_txqs(adapter) (adapter->res.max_prio_tx_qs)
710 #define be_max_rxqs(adapter) (adapter->res.max_rx_qs)
711 /* Max number of EQs available for the function (NIC + RoCE (if enabled)) */
712 #define be_max_func_eqs(adapter) (adapter->res.max_evt_qs)
713 /* Max number of EQs available avaialble only for NIC */
714 #define be_max_nic_eqs(adapter) (adapter->res.max_nic_evt_qs)
715 #define be_if_cap_flags(adapter) (adapter->res.if_cap_flags)
716 #define be_max_pf_pool_rss_tables(adapter) \
717 (adapter->pool_res.max_rss_tables)
718 /* Max irqs avaialble for NIC */
719 #define be_max_irqs(adapter) \
720 (min_t(u16, be_max_nic_eqs(adapter), num_online_cpus()))
721
722 /* Max irqs *needed* for RX queues */
be_max_rx_irqs(struct be_adapter * adapter)723 static inline u16 be_max_rx_irqs(struct be_adapter *adapter)
724 {
725 /* If no RSS, need atleast one irq for def-RXQ */
726 u16 num = max_t(u16, be_max_rss(adapter), 1);
727
728 return min_t(u16, num, be_max_irqs(adapter));
729 }
730
731 /* Max irqs *needed* for TX queues */
be_max_tx_irqs(struct be_adapter * adapter)732 static inline u16 be_max_tx_irqs(struct be_adapter *adapter)
733 {
734 return min_t(u16, be_max_txqs(adapter), be_max_irqs(adapter));
735 }
736
737 /* Max irqs *needed* for combined queues */
be_max_qp_irqs(struct be_adapter * adapter)738 static inline u16 be_max_qp_irqs(struct be_adapter *adapter)
739 {
740 return min(be_max_tx_irqs(adapter), be_max_rx_irqs(adapter));
741 }
742
743 /* Max irqs *needed* for RX and TX queues together */
be_max_any_irqs(struct be_adapter * adapter)744 static inline u16 be_max_any_irqs(struct be_adapter *adapter)
745 {
746 return max(be_max_tx_irqs(adapter), be_max_rx_irqs(adapter));
747 }
748
749 /* Is BE in pvid_tagging mode */
750 #define be_pvid_tagging_enabled(adapter) (adapter->pvid)
751
752 /* Is BE in QNQ multi-channel mode */
753 #define be_is_qnq_mode(adapter) (adapter->function_mode & QNQ_MODE)
754
755 #ifdef CONFIG_BE2NET_LANCER
756 #define lancer_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID3 || \
757 adapter->pdev->device == OC_DEVICE_ID4)
758 #else
759 #define lancer_chip(adapter) (0)
760 #endif /* CONFIG_BE2NET_LANCER */
761
762 #ifdef CONFIG_BE2NET_SKYHAWK
763 #define skyhawk_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID5 || \
764 adapter->pdev->device == OC_DEVICE_ID6)
765 #else
766 #define skyhawk_chip(adapter) (0)
767 #endif /* CONFIG_BE2NET_SKYHAWK */
768
769 #ifdef CONFIG_BE2NET_BE3
770 #define BE3_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID2 || \
771 adapter->pdev->device == OC_DEVICE_ID2)
772 #else
773 #define BE3_chip(adapter) (0)
774 #endif /* CONFIG_BE2NET_BE3 */
775
776 #ifdef CONFIG_BE2NET_BE2
777 #define BE2_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID1 || \
778 adapter->pdev->device == OC_DEVICE_ID1)
779 #else
780 #define BE2_chip(adapter) (0)
781 #endif /* CONFIG_BE2NET_BE2 */
782
783 #define BEx_chip(adapter) (BE3_chip(adapter) || BE2_chip(adapter))
784
785 #define be_roce_supported(adapter) (skyhawk_chip(adapter) && \
786 (adapter->function_mode & RDMA_ENABLED))
787
788 extern const struct ethtool_ops be_ethtool_ops;
789
790 #define msix_enabled(adapter) (adapter->num_msix_vec > 0)
791 #define num_irqs(adapter) (msix_enabled(adapter) ? \
792 adapter->num_msix_vec : 1)
793 #define tx_stats(txo) (&(txo)->stats)
794 #define rx_stats(rxo) (&(rxo)->stats)
795
796 /* The default RXQ is the last RXQ */
797 #define default_rxo(adpt) (&adpt->rx_obj[adpt->num_rx_qs - 1])
798
799 #define for_all_rx_queues(adapter, rxo, i) \
800 for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs; \
801 i++, rxo++)
802
803 #define for_all_rss_queues(adapter, rxo, i) \
804 for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rss_qs; \
805 i++, rxo++)
806
807 #define for_all_tx_queues(adapter, txo, i) \
808 for (i = 0, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs; \
809 i++, txo++)
810
811 #define for_all_evt_queues(adapter, eqo, i) \
812 for (i = 0, eqo = &adapter->eq_obj[i]; i < adapter->num_evt_qs; \
813 i++, eqo++)
814
815 #define for_all_rx_queues_on_eq(adapter, eqo, rxo, i) \
816 for (i = eqo->idx, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs;\
817 i += adapter->num_evt_qs, rxo += adapter->num_evt_qs)
818
819 #define for_all_tx_queues_on_eq(adapter, eqo, txo, i) \
820 for (i = eqo->idx, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs;\
821 i += adapter->num_evt_qs, txo += adapter->num_evt_qs)
822
823 #define is_mcc_eqo(eqo) (eqo->idx == 0)
824 #define mcc_eqo(adapter) (&adapter->eq_obj[0])
825
826 #define PAGE_SHIFT_4K 12
827 #define PAGE_SIZE_4K (1 << PAGE_SHIFT_4K)
828
829 /* Returns number of pages spanned by the data starting at the given addr */
830 #define PAGES_4K_SPANNED(_address, size) \
831 ((u32)((((size_t)(_address) & (PAGE_SIZE_4K - 1)) + \
832 (size) + (PAGE_SIZE_4K - 1)) >> PAGE_SHIFT_4K))
833
834 /* Returns bit offset within a DWORD of a bitfield */
835 #define AMAP_BIT_OFFSET(_struct, field) \
836 (((size_t)&(((_struct *)0)->field))%32)
837
838 /* Returns the bit mask of the field that is NOT shifted into location. */
amap_mask(u32 bitsize)839 static inline u32 amap_mask(u32 bitsize)
840 {
841 return (bitsize == 32 ? 0xFFFFFFFF : (1 << bitsize) - 1);
842 }
843
844 static inline void
amap_set(void * ptr,u32 dw_offset,u32 mask,u32 offset,u32 value)845 amap_set(void *ptr, u32 dw_offset, u32 mask, u32 offset, u32 value)
846 {
847 u32 *dw = (u32 *) ptr + dw_offset;
848 *dw &= ~(mask << offset);
849 *dw |= (mask & value) << offset;
850 }
851
852 #define AMAP_SET_BITS(_struct, field, ptr, val) \
853 amap_set(ptr, \
854 offsetof(_struct, field)/32, \
855 amap_mask(sizeof(((_struct *)0)->field)), \
856 AMAP_BIT_OFFSET(_struct, field), \
857 val)
858
amap_get(void * ptr,u32 dw_offset,u32 mask,u32 offset)859 static inline u32 amap_get(void *ptr, u32 dw_offset, u32 mask, u32 offset)
860 {
861 u32 *dw = (u32 *) ptr;
862 return mask & (*(dw + dw_offset) >> offset);
863 }
864
865 #define AMAP_GET_BITS(_struct, field, ptr) \
866 amap_get(ptr, \
867 offsetof(_struct, field)/32, \
868 amap_mask(sizeof(((_struct *)0)->field)), \
869 AMAP_BIT_OFFSET(_struct, field))
870
871 #define GET_RX_COMPL_V0_BITS(field, ptr) \
872 AMAP_GET_BITS(struct amap_eth_rx_compl_v0, field, ptr)
873
874 #define GET_RX_COMPL_V1_BITS(field, ptr) \
875 AMAP_GET_BITS(struct amap_eth_rx_compl_v1, field, ptr)
876
877 #define GET_TX_COMPL_BITS(field, ptr) \
878 AMAP_GET_BITS(struct amap_eth_tx_compl, field, ptr)
879
880 #define SET_TX_WRB_HDR_BITS(field, ptr, val) \
881 AMAP_SET_BITS(struct amap_eth_hdr_wrb, field, ptr, val)
882
883 #define be_dws_cpu_to_le(wrb, len) swap_dws(wrb, len)
884 #define be_dws_le_to_cpu(wrb, len) swap_dws(wrb, len)
swap_dws(void * wrb,int len)885 static inline void swap_dws(void *wrb, int len)
886 {
887 #ifdef __BIG_ENDIAN
888 u32 *dw = wrb;
889 BUG_ON(len % 4);
890 do {
891 *dw = cpu_to_le32(*dw);
892 dw++;
893 len -= 4;
894 } while (len);
895 #endif /* __BIG_ENDIAN */
896 }
897
898 #define be_cmd_status(status) (status > 0 ? -EIO : status)
899
is_tcp_pkt(struct sk_buff * skb)900 static inline u8 is_tcp_pkt(struct sk_buff *skb)
901 {
902 u8 val = 0;
903
904 if (ip_hdr(skb)->version == 4)
905 val = (ip_hdr(skb)->protocol == IPPROTO_TCP);
906 else if (ip_hdr(skb)->version == 6)
907 val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_TCP);
908
909 return val;
910 }
911
is_udp_pkt(struct sk_buff * skb)912 static inline u8 is_udp_pkt(struct sk_buff *skb)
913 {
914 u8 val = 0;
915
916 if (ip_hdr(skb)->version == 4)
917 val = (ip_hdr(skb)->protocol == IPPROTO_UDP);
918 else if (ip_hdr(skb)->version == 6)
919 val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_UDP);
920
921 return val;
922 }
923
is_ipv4_pkt(struct sk_buff * skb)924 static inline bool is_ipv4_pkt(struct sk_buff *skb)
925 {
926 return skb->protocol == htons(ETH_P_IP) && ip_hdr(skb)->version == 4;
927 }
928
is_ipv6_ext_hdr(struct sk_buff * skb)929 static inline bool is_ipv6_ext_hdr(struct sk_buff *skb)
930 {
931 if (ip_hdr(skb)->version == 6)
932 return ipv6_ext_hdr(ipv6_hdr(skb)->nexthdr);
933 else
934 return false;
935 }
936
937 #define be_error_recovering(adapter) \
938 (adapter->flags & BE_FLAGS_TRY_RECOVERY)
939
940 #define BE_ERROR_EEH 1
941 #define BE_ERROR_UE BIT(1)
942 #define BE_ERROR_FW BIT(2)
943 #define BE_ERROR_TX BIT(3)
944 #define BE_ERROR_HW (BE_ERROR_EEH | BE_ERROR_UE | BE_ERROR_TX)
945 #define BE_ERROR_ANY (BE_ERROR_EEH | BE_ERROR_UE | BE_ERROR_FW | \
946 BE_ERROR_TX)
947 #define BE_CLEAR_ALL 0xFF
948
be_check_error(struct be_adapter * adapter,u32 err_type)949 static inline u8 be_check_error(struct be_adapter *adapter, u32 err_type)
950 {
951 return (adapter->err_flags & err_type);
952 }
953
be_set_error(struct be_adapter * adapter,int err_type)954 static inline void be_set_error(struct be_adapter *adapter, int err_type)
955 {
956 struct net_device *netdev = adapter->netdev;
957
958 adapter->err_flags |= err_type;
959 netif_carrier_off(netdev);
960
961 dev_info(&adapter->pdev->dev, "%s: Link down\n", netdev->name);
962 }
963
be_clear_error(struct be_adapter * adapter,int err_type)964 static inline void be_clear_error(struct be_adapter *adapter, int err_type)
965 {
966 adapter->err_flags &= ~err_type;
967 }
968
be_multi_rxq(const struct be_adapter * adapter)969 static inline bool be_multi_rxq(const struct be_adapter *adapter)
970 {
971 return adapter->num_rx_qs > 1;
972 }
973
974 void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm,
975 u16 num_popped);
976 void be_link_status_update(struct be_adapter *adapter, u8 link_status);
977 void be_parse_stats(struct be_adapter *adapter);
978 int be_load_fw(struct be_adapter *adapter, u8 *func);
979 bool be_is_wol_supported(struct be_adapter *adapter);
980 bool be_pause_supported(struct be_adapter *adapter);
981 u32 be_get_fw_log_level(struct be_adapter *adapter);
982 int be_update_queues(struct be_adapter *adapter);
983 int be_poll(struct napi_struct *napi, int budget);
984 void be_eqd_update(struct be_adapter *adapter, bool force_update);
985
986 /*
987 * internal function to initialize-cleanup roce device.
988 */
989 void be_roce_dev_add(struct be_adapter *);
990 void be_roce_dev_remove(struct be_adapter *);
991
992 /*
993 * internal function to open-close roce device during ifup-ifdown.
994 */
995 void be_roce_dev_shutdown(struct be_adapter *);
996
997 #endif /* BE_H */
998
