1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
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
34#include "be_hw.h"
35#include "be_roce.h"
36
37#define DRV_VER "4.4.31.0u"
38#define DRV_NAME "be2net"
39#define BE_NAME "ServerEngines BladeEngine2 10Gbps NIC"
40#define BE3_NAME "ServerEngines BladeEngine3 10Gbps NIC"
41#define OC_NAME "Emulex OneConnect 10Gbps NIC"
42#define OC_NAME_BE OC_NAME "(be3)"
43#define OC_NAME_LANCER OC_NAME "(Lancer)"
44#define OC_NAME_SH OC_NAME "(Skyhawk)"
45#define DRV_DESC "ServerEngines BladeEngine 10Gbps NIC Driver"
46
47#define BE_VENDOR_ID 0x19a2
48#define EMULEX_VENDOR_ID 0x10df
49#define BE_DEVICE_ID1 0x211
50#define BE_DEVICE_ID2 0x221
51#define OC_DEVICE_ID1 0x700
52#define OC_DEVICE_ID2 0x710
53#define OC_DEVICE_ID3 0xe220
54#define OC_DEVICE_ID4 0xe228
55#define OC_DEVICE_ID5 0x720
56#define OC_SUBSYS_DEVICE_ID1 0xE602
57#define OC_SUBSYS_DEVICE_ID2 0xE642
58#define OC_SUBSYS_DEVICE_ID3 0xE612
59#define OC_SUBSYS_DEVICE_ID4 0xE652
60
61static inline char *nic_name(struct pci_dev *pdev)
62{
63 switch (pdev->device) {
64 case OC_DEVICE_ID1:
65 return OC_NAME;
66 case OC_DEVICE_ID2:
67 return OC_NAME_BE;
68 case OC_DEVICE_ID3:
69 case OC_DEVICE_ID4:
70 return OC_NAME_LANCER;
71 case BE_DEVICE_ID2:
72 return BE3_NAME;
73 case OC_DEVICE_ID5:
74 return OC_NAME_SH;
75 default:
76 return BE_NAME;
77 }
78}
79
80
81#define BE_HDR_LEN ((u16) 64)
82
83#define BE_RX_SKB_ALLOC_SIZE (BE_HDR_LEN + 64)
84
85#define BE_MAX_JUMBO_FRAME_SIZE 9018
86#define BE_MIN_MTU 256
87
88#define BE_NUM_VLANS_SUPPORTED 64
89#define BE_MAX_EQD 96u
90#define BE_MAX_TX_FRAG_COUNT 30
91
92#define EVNT_Q_LEN 1024
93#define TX_Q_LEN 2048
94#define TX_CQ_LEN 1024
95#define RX_Q_LEN 1024
96#define RX_CQ_LEN 1024
97#define MCC_Q_LEN 128
98#define MCC_CQ_LEN 256
99
100#define BE3_MAX_RSS_QS 8
101#define BE2_MAX_RSS_QS 4
102#define MAX_RSS_QS BE3_MAX_RSS_QS
103#define MAX_RX_QS (MAX_RSS_QS + 1)
104
105#define MAX_TX_QS 8
106#define MAX_ROCE_EQS 5
107#define MAX_MSIX_VECTORS (MAX_RSS_QS + MAX_ROCE_EQS)
108#define BE_TX_BUDGET 256
109#define BE_NAPI_WEIGHT 64
110#define MAX_RX_POST BE_NAPI_WEIGHT
111#define RX_FRAGS_REFILL_WM (RX_Q_LEN - MAX_RX_POST)
112
113#define MAX_VFS 30
114#define FW_VER_LEN 32
115
116struct be_dma_mem {
117 void *va;
118 dma_addr_t dma;
119 u32 size;
120};
121
122struct be_queue_info {
123 struct be_dma_mem dma_mem;
124 u16 len;
125 u16 entry_size;
126 u16 id;
127 u16 tail, head;
128 bool created;
129 atomic_t used;
130};
131
132static inline u32 MODULO(u16 val, u16 limit)
133{
134 BUG_ON(limit & (limit - 1));
135 return val & (limit - 1);
136}
137
138static inline void index_adv(u16 *index, u16 val, u16 limit)
139{
140 *index = MODULO((*index + val), limit);
141}
142
143static inline void index_inc(u16 *index, u16 limit)
144{
145 *index = MODULO((*index + 1), limit);
146}
147
148static inline void *queue_head_node(struct be_queue_info *q)
149{
150 return q->dma_mem.va + q->head * q->entry_size;
151}
152
153static inline void *queue_tail_node(struct be_queue_info *q)
154{
155 return q->dma_mem.va + q->tail * q->entry_size;
156}
157
158static inline void *queue_index_node(struct be_queue_info *q, u16 index)
159{
160 return q->dma_mem.va + index * q->entry_size;
161}
162
163static inline void queue_head_inc(struct be_queue_info *q)
164{
165 index_inc(&q->head, q->len);
166}
167
168static inline void index_dec(u16 *index, u16 limit)
169{
170 *index = MODULO((*index - 1), limit);
171}
172
173static inline void queue_tail_inc(struct be_queue_info *q)
174{
175 index_inc(&q->tail, q->len);
176}
177
178struct be_eq_obj {
179 struct be_queue_info q;
180 char desc[32];
181
182
183 bool enable_aic;
184 u32 min_eqd;
185 u32 max_eqd;
186 u32 eqd;
187 u32 cur_eqd;
188
189 u8 idx;
190 u16 tx_budget;
191 struct napi_struct napi;
192 struct be_adapter *adapter;
193} ____cacheline_aligned_in_smp;
194
195struct be_mcc_obj {
196 struct be_queue_info q;
197 struct be_queue_info cq;
198 bool rearm_cq;
199};
200
201struct be_tx_stats {
202 u64 tx_bytes;
203 u64 tx_pkts;
204 u64 tx_reqs;
205 u64 tx_wrbs;
206 u64 tx_compl;
207 ulong tx_jiffies;
208 u32 tx_stops;
209 struct u64_stats_sync sync;
210 struct u64_stats_sync sync_compl;
211};
212
213struct be_tx_obj {
214 struct be_queue_info q;
215 struct be_queue_info cq;
216
217 struct sk_buff *sent_skb_list[TX_Q_LEN];
218 struct be_tx_stats stats;
219} ____cacheline_aligned_in_smp;
220
221
222struct be_rx_page_info {
223 struct page *page;
224 DEFINE_DMA_UNMAP_ADDR(bus);
225 u16 page_offset;
226 bool last_page_user;
227};
228
229struct be_rx_stats {
230 u64 rx_bytes;
231 u64 rx_pkts;
232 u64 rx_pkts_prev;
233 ulong rx_jiffies;
234 u32 rx_drops_no_skbs;
235 u32 rx_drops_no_frags;
236 u32 rx_post_fail;
237 u32 rx_compl;
238 u32 rx_mcast_pkts;
239 u32 rx_compl_err;
240 u32 rx_pps;
241 struct u64_stats_sync sync;
242};
243
244struct be_rx_compl_info {
245 u32 rss_hash;
246 u16 vlan_tag;
247 u16 pkt_size;
248 u16 rxq_idx;
249 u16 port;
250 u8 vlanf;
251 u8 num_rcvd;
252 u8 err;
253 u8 ipf;
254 u8 tcpf;
255 u8 udpf;
256 u8 ip_csum;
257 u8 l4_csum;
258 u8 ipv6;
259 u8 vtm;
260 u8 pkt_type;
261};
262
263struct be_rx_obj {
264 struct be_adapter *adapter;
265 struct be_queue_info q;
266 struct be_queue_info cq;
267 struct be_rx_compl_info rxcp;
268 struct be_rx_page_info page_info_tbl[RX_Q_LEN];
269 struct be_rx_stats stats;
270 u8 rss_id;
271 bool rx_post_starved;
272} ____cacheline_aligned_in_smp;
273
274struct be_drv_stats {
275 u32 be_on_die_temperature;
276 u32 eth_red_drops;
277 u32 rx_drops_no_pbuf;
278 u32 rx_drops_no_txpb;
279 u32 rx_drops_no_erx_descr;
280 u32 rx_drops_no_tpre_descr;
281 u32 rx_drops_too_many_frags;
282 u32 forwarded_packets;
283 u32 rx_drops_mtu;
284 u32 rx_crc_errors;
285 u32 rx_alignment_symbol_errors;
286 u32 rx_pause_frames;
287 u32 rx_priority_pause_frames;
288 u32 rx_control_frames;
289 u32 rx_in_range_errors;
290 u32 rx_out_range_errors;
291 u32 rx_frame_too_long;
292 u32 rx_address_mismatch_drops;
293 u32 rx_dropped_too_small;
294 u32 rx_dropped_too_short;
295 u32 rx_dropped_header_too_small;
296 u32 rx_dropped_tcp_length;
297 u32 rx_dropped_runt;
298 u32 rx_ip_checksum_errs;
299 u32 rx_tcp_checksum_errs;
300 u32 rx_udp_checksum_errs;
301 u32 tx_pauseframes;
302 u32 tx_priority_pauseframes;
303 u32 tx_controlframes;
304 u32 rxpp_fifo_overflow_drop;
305 u32 rx_input_fifo_overflow_drop;
306 u32 pmem_fifo_overflow_drop;
307 u32 jabber_events;
308};
309
310struct be_vf_cfg {
311 unsigned char mac_addr[ETH_ALEN];
312 int if_handle;
313 int pmac_id;
314 u16 def_vid;
315 u16 vlan_tag;
316 u32 tx_rate;
317};
318
319enum vf_state {
320 ENABLED = 0,
321 ASSIGNED = 1
322};
323
324#define BE_FLAGS_LINK_STATUS_INIT 1
325#define BE_FLAGS_WORKER_SCHEDULED (1 << 3)
326#define BE_UC_PMAC_COUNT 30
327#define BE_VF_UC_PMAC_COUNT 2
328
329struct phy_info {
330 u8 transceiver;
331 u8 autoneg;
332 u8 fc_autoneg;
333 u8 port_type;
334 u16 phy_type;
335 u16 interface_type;
336 u32 misc_params;
337 u16 auto_speeds_supported;
338 u16 fixed_speeds_supported;
339 int link_speed;
340 u32 dac_cable_len;
341 u32 advertising;
342 u32 supported;
343};
344
345struct be_adapter {
346 struct pci_dev *pdev;
347 struct net_device *netdev;
348
349 u8 __iomem *csr;
350 u8 __iomem *db;
351
352 struct mutex mbox_lock;
353 struct be_dma_mem mbox_mem;
354
355
356 struct be_dma_mem mbox_mem_alloced;
357
358 struct be_mcc_obj mcc_obj;
359 spinlock_t mcc_lock;
360 spinlock_t mcc_cq_lock;
361
362 u32 num_msix_vec;
363 u32 num_evt_qs;
364 struct be_eq_obj eq_obj[MAX_MSIX_VECTORS];
365 struct msix_entry msix_entries[MAX_MSIX_VECTORS];
366 bool isr_registered;
367
368
369 u32 num_tx_qs;
370 struct be_tx_obj tx_obj[MAX_TX_QS];
371
372
373 u32 num_rx_qs;
374 struct be_rx_obj rx_obj[MAX_RX_QS];
375 u32 big_page_size;
376
377 u8 eq_next_idx;
378 struct be_drv_stats drv_stats;
379
380 u16 vlans_added;
381 u16 max_vlans;
382 u8 vlan_tag[VLAN_N_VID];
383 u8 vlan_prio_bmap;
384 u16 recommended_prio;
385 struct be_dma_mem rx_filter;
386
387 struct be_dma_mem stats_cmd;
388
389 struct delayed_work work;
390 u16 work_counter;
391
392 struct delayed_work func_recovery_work;
393 u32 flags;
394
395 char fw_ver[FW_VER_LEN];
396 int if_handle;
397 u32 *pmac_id;
398 u32 beacon_state;
399
400 bool eeh_error;
401 bool fw_timeout;
402 bool hw_error;
403
404 u32 port_num;
405 bool promiscuous;
406 u32 function_mode;
407 u32 function_caps;
408 u32 rx_fc;
409 u32 tx_fc;
410 bool stats_cmd_sent;
411 u8 generation;
412 u32 if_type;
413 struct {
414 u8 __iomem *base;
415 u32 size;
416 u32 total_size;
417 u64 io_addr;
418 } roce_db;
419 u32 num_msix_roce_vec;
420 struct ocrdma_dev *ocrdma_dev;
421 struct list_head entry;
422
423 u32 flash_status;
424 struct completion flash_compl;
425
426 u32 num_vfs;
427 u32 dev_num_vfs;
428 u8 virtfn;
429 struct be_vf_cfg *vf_cfg;
430 bool be3_native;
431 u32 sli_family;
432 u8 hba_port_num;
433 u16 pvid;
434 struct phy_info phy;
435 u8 wol_cap;
436 bool wol;
437 u32 max_pmac_cnt;
438 u32 uc_macs;
439 u32 msg_enable;
440 int be_get_temp_freq;
441};
442
443#define be_physfn(adapter) (!adapter->virtfn)
444#define sriov_enabled(adapter) (adapter->num_vfs > 0)
445#define sriov_want(adapter) (adapter->dev_num_vfs && num_vfs && \
446 be_physfn(adapter))
447#define for_all_vfs(adapter, vf_cfg, i) \
448 for (i = 0, vf_cfg = &adapter->vf_cfg[i]; i < adapter->num_vfs; \
449 i++, vf_cfg++)
450
451
452#define BE_GEN2 2
453#define BE_GEN3 3
454
455#define ON 1
456#define OFF 0
457#define lancer_chip(adapter) ((adapter->pdev->device == OC_DEVICE_ID3) || \
458 (adapter->pdev->device == OC_DEVICE_ID4))
459
460#define skyhawk_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID5)
461
462
463#define be_roce_supported(adapter) ((adapter->if_type == SLI_INTF_TYPE_3 || \
464 adapter->sli_family == SKYHAWK_SLI_FAMILY) && \
465 (adapter->function_mode & RDMA_ENABLED))
466
467extern const struct ethtool_ops be_ethtool_ops;
468
469#define msix_enabled(adapter) (adapter->num_msix_vec > 0)
470#define num_irqs(adapter) (msix_enabled(adapter) ? \
471 adapter->num_msix_vec : 1)
472#define tx_stats(txo) (&(txo)->stats)
473#define rx_stats(rxo) (&(rxo)->stats)
474
475
476#define default_rxo(adpt) (&adpt->rx_obj[adpt->num_rx_qs - 1])
477
478#define for_all_rx_queues(adapter, rxo, i) \
479 for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs; \
480 i++, rxo++)
481
482
483#define for_all_rss_queues(adapter, rxo, i) \
484 for (i = 0, rxo = &adapter->rx_obj[i]; i < (adapter->num_rx_qs - 1);\
485 i++, rxo++)
486
487#define for_all_tx_queues(adapter, txo, i) \
488 for (i = 0, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs; \
489 i++, txo++)
490
491#define for_all_evt_queues(adapter, eqo, i) \
492 for (i = 0, eqo = &adapter->eq_obj[i]; i < adapter->num_evt_qs; \
493 i++, eqo++)
494
495#define is_mcc_eqo(eqo) (eqo->idx == 0)
496#define mcc_eqo(adapter) (&adapter->eq_obj[0])
497
498#define PAGE_SHIFT_4K 12
499#define PAGE_SIZE_4K (1 << PAGE_SHIFT_4K)
500
501
502#define PAGES_4K_SPANNED(_address, size) \
503 ((u32)((((size_t)(_address) & (PAGE_SIZE_4K - 1)) + \
504 (size) + (PAGE_SIZE_4K - 1)) >> PAGE_SHIFT_4K))
505
506
507#define AMAP_BIT_OFFSET(_struct, field) \
508 (((size_t)&(((_struct *)0)->field))%32)
509
510
511static inline u32 amap_mask(u32 bitsize)
512{
513 return (bitsize == 32 ? 0xFFFFFFFF : (1 << bitsize) - 1);
514}
515
516static inline void
517amap_set(void *ptr, u32 dw_offset, u32 mask, u32 offset, u32 value)
518{
519 u32 *dw = (u32 *) ptr + dw_offset;
520 *dw &= ~(mask << offset);
521 *dw |= (mask & value) << offset;
522}
523
524#define AMAP_SET_BITS(_struct, field, ptr, val) \
525 amap_set(ptr, \
526 offsetof(_struct, field)/32, \
527 amap_mask(sizeof(((_struct *)0)->field)), \
528 AMAP_BIT_OFFSET(_struct, field), \
529 val)
530
531static inline u32 amap_get(void *ptr, u32 dw_offset, u32 mask, u32 offset)
532{
533 u32 *dw = (u32 *) ptr;
534 return mask & (*(dw + dw_offset) >> offset);
535}
536
537#define AMAP_GET_BITS(_struct, field, ptr) \
538 amap_get(ptr, \
539 offsetof(_struct, field)/32, \
540 amap_mask(sizeof(((_struct *)0)->field)), \
541 AMAP_BIT_OFFSET(_struct, field))
542
543#define be_dws_cpu_to_le(wrb, len) swap_dws(wrb, len)
544#define be_dws_le_to_cpu(wrb, len) swap_dws(wrb, len)
545static inline void swap_dws(void *wrb, int len)
546{
547#ifdef __BIG_ENDIAN
548 u32 *dw = wrb;
549 BUG_ON(len % 4);
550 do {
551 *dw = cpu_to_le32(*dw);
552 dw++;
553 len -= 4;
554 } while (len);
555#endif
556}
557
558static inline u8 is_tcp_pkt(struct sk_buff *skb)
559{
560 u8 val = 0;
561
562 if (ip_hdr(skb)->version == 4)
563 val = (ip_hdr(skb)->protocol == IPPROTO_TCP);
564 else if (ip_hdr(skb)->version == 6)
565 val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_TCP);
566
567 return val;
568}
569
570static inline u8 is_udp_pkt(struct sk_buff *skb)
571{
572 u8 val = 0;
573
574 if (ip_hdr(skb)->version == 4)
575 val = (ip_hdr(skb)->protocol == IPPROTO_UDP);
576 else if (ip_hdr(skb)->version == 6)
577 val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_UDP);
578
579 return val;
580}
581
582static inline bool is_ipv4_pkt(struct sk_buff *skb)
583{
584 return skb->protocol == htons(ETH_P_IP) && ip_hdr(skb)->version == 4;
585}
586
587static inline void be_vf_eth_addr_generate(struct be_adapter *adapter, u8 *mac)
588{
589 u32 addr;
590
591 addr = jhash(adapter->netdev->dev_addr, ETH_ALEN, 0);
592
593 mac[5] = (u8)(addr & 0xFF);
594 mac[4] = (u8)((addr >> 8) & 0xFF);
595 mac[3] = (u8)((addr >> 16) & 0xFF);
596
597 memcpy(mac, adapter->netdev->dev_addr, 3);
598}
599
600static inline bool be_multi_rxq(const struct be_adapter *adapter)
601{
602 return adapter->num_rx_qs > 1;
603}
604
605static inline bool be_error(struct be_adapter *adapter)
606{
607 return adapter->eeh_error || adapter->hw_error || adapter->fw_timeout;
608}
609
610static inline bool be_crit_error(struct be_adapter *adapter)
611{
612 return adapter->eeh_error || adapter->hw_error;
613}
614
615static inline void be_clear_all_error(struct be_adapter *adapter)
616{
617 adapter->eeh_error = false;
618 adapter->hw_error = false;
619 adapter->fw_timeout = false;
620}
621
622static inline bool be_is_wol_excluded(struct be_adapter *adapter)
623{
624 struct pci_dev *pdev = adapter->pdev;
625
626 if (!be_physfn(adapter))
627 return true;
628
629 switch (pdev->subsystem_device) {
630 case OC_SUBSYS_DEVICE_ID1:
631 case OC_SUBSYS_DEVICE_ID2:
632 case OC_SUBSYS_DEVICE_ID3:
633 case OC_SUBSYS_DEVICE_ID4:
634 return true;
635 default:
636 return false;
637 }
638}
639
640static inline bool be_type_2_3(struct be_adapter *adapter)
641{
642 return (adapter->if_type == SLI_INTF_TYPE_2 ||
643 adapter->if_type == SLI_INTF_TYPE_3) ? true : false;
644}
645
646extern void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm,
647 u16 num_popped);
648extern void be_link_status_update(struct be_adapter *adapter, u8 link_status);
649extern void be_parse_stats(struct be_adapter *adapter);
650extern int be_load_fw(struct be_adapter *adapter, u8 *func);
651extern bool be_is_wol_supported(struct be_adapter *adapter);
652extern bool be_pause_supported(struct be_adapter *adapter);
653extern u32 be_get_fw_log_level(struct be_adapter *adapter);
654
655
656
657
658extern void be_roce_dev_add(struct be_adapter *);
659extern void be_roce_dev_remove(struct be_adapter *);
660
661
662
663
664extern void be_roce_dev_open(struct be_adapter *);
665extern void be_roce_dev_close(struct be_adapter *);
666
667#endif
668