1
2
3
4
5#include <unistd.h>
6#include <sys/stat.h>
7#include <dlfcn.h>
8
9#include <rte_bus_pci.h>
10#include <rte_ethdev_pci.h>
11#include <rte_kvargs.h>
12
13#include "rte_pmd_ark.h"
14#include "ark_global.h"
15#include "ark_logs.h"
16#include "ark_ethdev_tx.h"
17#include "ark_ethdev_rx.h"
18#include "ark_mpu.h"
19#include "ark_ddm.h"
20#include "ark_udm.h"
21#include "ark_rqp.h"
22#include "ark_pktdir.h"
23#include "ark_pktgen.h"
24#include "ark_pktchkr.h"
25
26
27static int eth_ark_check_args(struct ark_adapter *ark, const char *params);
28static int eth_ark_dev_init(struct rte_eth_dev *dev);
29static int ark_config_device(struct rte_eth_dev *dev);
30static int eth_ark_dev_uninit(struct rte_eth_dev *eth_dev);
31static int eth_ark_dev_configure(struct rte_eth_dev *dev);
32static int eth_ark_dev_start(struct rte_eth_dev *dev);
33static int eth_ark_dev_stop(struct rte_eth_dev *dev);
34static int eth_ark_dev_close(struct rte_eth_dev *dev);
35static int eth_ark_dev_info_get(struct rte_eth_dev *dev,
36 struct rte_eth_dev_info *dev_info);
37static int eth_ark_dev_link_update(struct rte_eth_dev *dev,
38 int wait_to_complete);
39static int eth_ark_dev_set_link_up(struct rte_eth_dev *dev);
40static int eth_ark_dev_set_link_down(struct rte_eth_dev *dev);
41static int eth_ark_dev_stats_get(struct rte_eth_dev *dev,
42 struct rte_eth_stats *stats);
43static int eth_ark_dev_stats_reset(struct rte_eth_dev *dev);
44static int eth_ark_set_default_mac_addr(struct rte_eth_dev *dev,
45 struct rte_ether_addr *mac_addr);
46static int eth_ark_macaddr_add(struct rte_eth_dev *dev,
47 struct rte_ether_addr *mac_addr,
48 uint32_t index,
49 uint32_t pool);
50static void eth_ark_macaddr_remove(struct rte_eth_dev *dev,
51 uint32_t index);
52static int eth_ark_set_mtu(struct rte_eth_dev *dev, uint16_t size);
53
54
55
56
57
58#define ARK_PKTGEN_ARG "Pkt_gen"
59
60
61
62
63
64#define ARK_PKTCHKR_ARG "Pkt_chkr"
65
66
67
68
69
70
71#define ARK_PKTDIR_ARG "Pkt_dir"
72
73
74#define ARK_RX_MAX_QUEUE (4096 * 4)
75#define ARK_RX_MIN_QUEUE (512)
76#define ARK_RX_MAX_PKT_LEN ((16 * 1024) - 128)
77#define ARK_RX_MIN_BUFSIZE (1024)
78
79#define ARK_TX_MAX_QUEUE (4096 * 4)
80#define ARK_TX_MIN_QUEUE (256)
81
82uint64_t ark_timestamp_rx_dynflag;
83int ark_timestamp_dynfield_offset = -1;
84
85int rte_pmd_ark_rx_userdata_dynfield_offset = -1;
86int rte_pmd_ark_tx_userdata_dynfield_offset = -1;
87
88static const char * const valid_arguments[] = {
89 ARK_PKTGEN_ARG,
90 ARK_PKTCHKR_ARG,
91 ARK_PKTDIR_ARG,
92 NULL
93};
94
95static const struct rte_pci_id pci_id_ark_map[] = {
96 {RTE_PCI_DEVICE(0x1d6c, 0x100d)},
97 {RTE_PCI_DEVICE(0x1d6c, 0x100e)},
98 {.vendor_id = 0, },
99};
100
101static int
102eth_ark_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
103 struct rte_pci_device *pci_dev)
104{
105 struct rte_eth_dev *eth_dev;
106 int ret;
107
108 eth_dev = rte_eth_dev_pci_allocate(pci_dev, sizeof(struct ark_adapter));
109
110 if (eth_dev == NULL)
111 return -ENOMEM;
112
113 ret = eth_ark_dev_init(eth_dev);
114 if (ret)
115 rte_eth_dev_release_port(eth_dev);
116
117 return ret;
118}
119
120static int
121eth_ark_pci_remove(struct rte_pci_device *pci_dev)
122{
123 return rte_eth_dev_pci_generic_remove(pci_dev, eth_ark_dev_uninit);
124}
125
126static struct rte_pci_driver rte_ark_pmd = {
127 .id_table = pci_id_ark_map,
128 .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
129 .probe = eth_ark_pci_probe,
130 .remove = eth_ark_pci_remove,
131};
132
133static const struct eth_dev_ops ark_eth_dev_ops = {
134 .dev_configure = eth_ark_dev_configure,
135 .dev_start = eth_ark_dev_start,
136 .dev_stop = eth_ark_dev_stop,
137 .dev_close = eth_ark_dev_close,
138
139 .dev_infos_get = eth_ark_dev_info_get,
140
141 .rx_queue_setup = eth_ark_dev_rx_queue_setup,
142 .tx_queue_setup = eth_ark_tx_queue_setup,
143
144 .link_update = eth_ark_dev_link_update,
145 .dev_set_link_up = eth_ark_dev_set_link_up,
146 .dev_set_link_down = eth_ark_dev_set_link_down,
147
148 .rx_queue_start = eth_ark_rx_start_queue,
149 .rx_queue_stop = eth_ark_rx_stop_queue,
150
151 .tx_queue_start = eth_ark_tx_queue_start,
152 .tx_queue_stop = eth_ark_tx_queue_stop,
153
154 .stats_get = eth_ark_dev_stats_get,
155 .stats_reset = eth_ark_dev_stats_reset,
156
157 .mac_addr_add = eth_ark_macaddr_add,
158 .mac_addr_remove = eth_ark_macaddr_remove,
159 .mac_addr_set = eth_ark_set_default_mac_addr,
160
161 .mtu_set = eth_ark_set_mtu,
162};
163
164static int
165check_for_ext(struct ark_adapter *ark)
166{
167 int found = 0;
168
169
170 const char *dllpath = getenv("ARK_EXT_PATH");
171
172 if (dllpath == NULL) {
173 ARK_PMD_LOG(DEBUG, "EXT NO dll path specified\n");
174 return 0;
175 }
176 ARK_PMD_LOG(NOTICE, "EXT found dll path at %s\n", dllpath);
177
178
179 ark->d_handle = dlopen(dllpath, RTLD_LOCAL | RTLD_LAZY);
180 if (ark->d_handle == NULL) {
181 ARK_PMD_LOG(ERR, "Could not load user extension %s\n",
182 dllpath);
183 return -1;
184 }
185 ARK_PMD_LOG(DEBUG, "SUCCESS: loaded user extension %s\n",
186 dllpath);
187
188
189 ark->user_ext.dev_init =
190 (void *(*)(struct rte_eth_dev *, void *, int))
191 dlsym(ark->d_handle, "dev_init");
192 ARK_PMD_LOG(DEBUG, "device ext init pointer = %p\n",
193 ark->user_ext.dev_init);
194 ark->user_ext.dev_get_port_count =
195 (int (*)(struct rte_eth_dev *, void *))
196 dlsym(ark->d_handle, "dev_get_port_count");
197 ark->user_ext.dev_uninit =
198 (void (*)(struct rte_eth_dev *, void *))
199 dlsym(ark->d_handle, "dev_uninit");
200 ark->user_ext.dev_configure =
201 (int (*)(struct rte_eth_dev *, void *))
202 dlsym(ark->d_handle, "dev_configure");
203 ark->user_ext.dev_start =
204 (int (*)(struct rte_eth_dev *, void *))
205 dlsym(ark->d_handle, "dev_start");
206 ark->user_ext.dev_stop =
207 (void (*)(struct rte_eth_dev *, void *))
208 dlsym(ark->d_handle, "dev_stop");
209 ark->user_ext.dev_close =
210 (void (*)(struct rte_eth_dev *, void *))
211 dlsym(ark->d_handle, "dev_close");
212 ark->user_ext.link_update =
213 (int (*)(struct rte_eth_dev *, int, void *))
214 dlsym(ark->d_handle, "link_update");
215 ark->user_ext.dev_set_link_up =
216 (int (*)(struct rte_eth_dev *, void *))
217 dlsym(ark->d_handle, "dev_set_link_up");
218 ark->user_ext.dev_set_link_down =
219 (int (*)(struct rte_eth_dev *, void *))
220 dlsym(ark->d_handle, "dev_set_link_down");
221 ark->user_ext.stats_get =
222 (int (*)(struct rte_eth_dev *, struct rte_eth_stats *,
223 void *))
224 dlsym(ark->d_handle, "stats_get");
225 ark->user_ext.stats_reset =
226 (void (*)(struct rte_eth_dev *, void *))
227 dlsym(ark->d_handle, "stats_reset");
228 ark->user_ext.mac_addr_add =
229 (void (*)(struct rte_eth_dev *, struct rte_ether_addr *,
230 uint32_t, uint32_t, void *))
231 dlsym(ark->d_handle, "mac_addr_add");
232 ark->user_ext.mac_addr_remove =
233 (void (*)(struct rte_eth_dev *, uint32_t, void *))
234 dlsym(ark->d_handle, "mac_addr_remove");
235 ark->user_ext.mac_addr_set =
236 (void (*)(struct rte_eth_dev *, struct rte_ether_addr *,
237 void *))
238 dlsym(ark->d_handle, "mac_addr_set");
239 ark->user_ext.set_mtu =
240 (int (*)(struct rte_eth_dev *, uint16_t,
241 void *))
242 dlsym(ark->d_handle, "set_mtu");
243
244 return found;
245}
246
247static int
248eth_ark_dev_init(struct rte_eth_dev *dev)
249{
250 struct ark_adapter *ark = dev->data->dev_private;
251 struct rte_pci_device *pci_dev;
252 int ret;
253 int port_count = 1;
254 int p;
255 static const struct rte_mbuf_dynfield ark_tx_userdata_dynfield_desc = {
256 .name = RTE_PMD_ARK_TX_USERDATA_DYNFIELD_NAME,
257 .size = sizeof(rte_pmd_ark_tx_userdata_t),
258 .align = __alignof__(rte_pmd_ark_tx_userdata_t),
259 };
260 static const struct rte_mbuf_dynfield ark_rx_userdata_dynfield_desc = {
261 .name = RTE_PMD_ARK_RX_USERDATA_DYNFIELD_NAME,
262 .size = sizeof(rte_pmd_ark_rx_userdata_t),
263 .align = __alignof__(rte_pmd_ark_rx_userdata_t),
264 };
265
266 ark->eth_dev = dev;
267
268 ARK_PMD_LOG(DEBUG, "\n");
269
270
271 ret = check_for_ext(ark);
272 if (ret)
273 return ret;
274
275
276 if (RTE_PMD_ARK_TX_USERDATA_ENABLE) {
277 rte_pmd_ark_tx_userdata_dynfield_offset =
278 rte_mbuf_dynfield_register(&ark_tx_userdata_dynfield_desc);
279 if (rte_pmd_ark_tx_userdata_dynfield_offset < 0) {
280 ARK_PMD_LOG(ERR,
281 "Failed to register mbuf field for tx userdata\n");
282 return -rte_errno;
283 }
284 ARK_PMD_LOG(INFO, "Registered TX-meta dynamic field at %d\n",
285 rte_pmd_ark_tx_userdata_dynfield_offset);
286 }
287 if (RTE_PMD_ARK_RX_USERDATA_ENABLE) {
288 rte_pmd_ark_rx_userdata_dynfield_offset =
289 rte_mbuf_dynfield_register(&ark_rx_userdata_dynfield_desc);
290 if (rte_pmd_ark_rx_userdata_dynfield_offset < 0) {
291 ARK_PMD_LOG(ERR,
292 "Failed to register mbuf field for rx userdata\n");
293 return -rte_errno;
294 }
295 ARK_PMD_LOG(INFO, "Registered RX-meta dynamic field at %d\n",
296 rte_pmd_ark_rx_userdata_dynfield_offset);
297 }
298
299 pci_dev = RTE_ETH_DEV_TO_PCI(dev);
300 rte_eth_copy_pci_info(dev, pci_dev);
301 dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS;
302
303
304 dev->rx_pkt_burst = ð_ark_recv_pkts_noop;
305 dev->tx_pkt_burst = ð_ark_xmit_pkts_noop;
306
307 ark->bar0 = (uint8_t *)pci_dev->mem_resource[0].addr;
308 ark->a_bar = (uint8_t *)pci_dev->mem_resource[2].addr;
309
310 ark->sysctrl.v = (void *)&ark->bar0[ARK_SYSCTRL_BASE];
311 ark->mpurx.v = (void *)&ark->bar0[ARK_MPU_RX_BASE];
312 ark->udm.v = (void *)&ark->bar0[ARK_UDM_BASE];
313 ark->mputx.v = (void *)&ark->bar0[ARK_MPU_TX_BASE];
314 ark->ddm.v = (void *)&ark->bar0[ARK_DDM_BASE];
315 ark->cmac.v = (void *)&ark->bar0[ARK_CMAC_BASE];
316 ark->external.v = (void *)&ark->bar0[ARK_EXTERNAL_BASE];
317 ark->pktdir.v = (void *)&ark->bar0[ARK_PKTDIR_BASE];
318 ark->pktgen.v = (void *)&ark->bar0[ARK_PKTGEN_BASE];
319 ark->pktchkr.v = (void *)&ark->bar0[ARK_PKTCHKR_BASE];
320
321 ark->rqpacing =
322 (struct ark_rqpace_t *)(ark->bar0 + ARK_RCPACING_BASE);
323 ark->started = 0;
324
325 ARK_PMD_LOG(INFO, "Sys Ctrl Const = 0x%x HW Commit_ID: %08x\n",
326 ark->sysctrl.t32[4],
327 rte_be_to_cpu_32(ark->sysctrl.t32[0x20 / 4]));
328 ARK_PMD_LOG(NOTICE, "Arkville HW Commit_ID: %08x\n",
329 rte_be_to_cpu_32(ark->sysctrl.t32[0x20 / 4]));
330
331
332 if (ark->sysctrl.t32[4] != 0xcafef00d) {
333 ARK_PMD_LOG(ERR,
334 "HW Sanity test has failed, expected constant"
335 " 0x%x, read 0x%x (%s)\n",
336 0xcafef00d,
337 ark->sysctrl.t32[4], __func__);
338 return -1;
339 }
340 if (ark->sysctrl.t32[3] != 0) {
341 if (ark_rqp_lasped(ark->rqpacing)) {
342 ARK_PMD_LOG(ERR, "Arkville Evaluation System - "
343 "Timer has Expired\n");
344 return -1;
345 }
346 ARK_PMD_LOG(WARNING, "Arkville Evaluation System - "
347 "Timer is Running\n");
348 }
349
350 ARK_PMD_LOG(DEBUG,
351 "HW Sanity test has PASSED, expected constant"
352 " 0x%x, read 0x%x (%s)\n",
353 0xcafef00d, ark->sysctrl.t32[4], __func__);
354
355
356 ret = ark_config_device(dev);
357 if (ret)
358 return -1;
359
360 dev->dev_ops = &ark_eth_dev_ops;
361 dev->rx_queue_count = eth_ark_dev_rx_queue_count;
362
363 dev->data->mac_addrs = rte_zmalloc("ark", RTE_ETHER_ADDR_LEN, 0);
364 if (!dev->data->mac_addrs) {
365 ARK_PMD_LOG(ERR,
366 "Failed to allocated memory for storing mac address"
367 );
368 }
369
370 if (ark->user_ext.dev_init) {
371 ark->user_data[dev->data->port_id] =
372 ark->user_ext.dev_init(dev, ark->a_bar, 0);
373 if (!ark->user_data[dev->data->port_id]) {
374 ARK_PMD_LOG(WARNING,
375 "Failed to initialize PMD extension!"
376 " continuing without it\n");
377 memset(&ark->user_ext, 0, sizeof(struct ark_user_ext));
378 dlclose(ark->d_handle);
379 }
380 }
381
382 if (pci_dev->device.devargs)
383 ret = eth_ark_check_args(ark, pci_dev->device.devargs->args);
384 else
385 ARK_PMD_LOG(INFO, "No Device args found\n");
386
387 if (ret)
388 goto error;
389
390
391
392
393 if (ark->user_ext.dev_get_port_count)
394 port_count =
395 ark->user_ext.dev_get_port_count(dev,
396 ark->user_data[dev->data->port_id]);
397 ark->num_ports = port_count;
398
399 for (p = 0; p < port_count; p++) {
400 struct rte_eth_dev *eth_dev;
401 char name[RTE_ETH_NAME_MAX_LEN];
402
403 snprintf(name, sizeof(name), "arketh%d",
404 dev->data->port_id + p);
405
406 if (p == 0) {
407
408 eth_dev = ark->eth_dev;
409 rte_eth_dev_probing_finish(eth_dev);
410 continue;
411 }
412
413
414 eth_dev = rte_eth_dev_allocate(name);
415 if (!eth_dev) {
416 ARK_PMD_LOG(ERR,
417 "Could not allocate eth_dev for port %d\n",
418 p);
419 goto error;
420 }
421
422 eth_dev->device = &pci_dev->device;
423 eth_dev->data->dev_private = ark;
424 eth_dev->dev_ops = ark->eth_dev->dev_ops;
425 eth_dev->tx_pkt_burst = ark->eth_dev->tx_pkt_burst;
426 eth_dev->rx_pkt_burst = ark->eth_dev->rx_pkt_burst;
427
428 rte_eth_copy_pci_info(eth_dev, pci_dev);
429 eth_dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS;
430
431 eth_dev->data->mac_addrs = rte_zmalloc(name,
432 RTE_ETHER_ADDR_LEN, 0);
433 if (!eth_dev->data->mac_addrs) {
434 ARK_PMD_LOG(ERR,
435 "Memory allocation for MAC failed!"
436 " Exiting.\n");
437 goto error;
438 }
439
440 if (ark->user_ext.dev_init) {
441 ark->user_data[eth_dev->data->port_id] =
442 ark->user_ext.dev_init(dev, ark->a_bar, p);
443 }
444
445 rte_eth_dev_probing_finish(eth_dev);
446 }
447
448 return ret;
449
450error:
451 rte_free(dev->data->mac_addrs);
452 dev->data->mac_addrs = NULL;
453 return -1;
454}
455
456
457
458
459
460
461static int
462ark_config_device(struct rte_eth_dev *dev)
463{
464 struct ark_adapter *ark = dev->data->dev_private;
465 uint16_t num_q, i;
466 struct ark_mpu_t *mpu;
467
468
469
470
471
472 ark->start_pg = 0;
473 ark->pg = ark_pktgen_init(ark->pktgen.v, 0, 1);
474 if (ark->pg == NULL)
475 return -1;
476 ark_pktgen_reset(ark->pg);
477 ark->pc = ark_pktchkr_init(ark->pktchkr.v, 0, 1);
478 if (ark->pc == NULL)
479 return -1;
480 ark_pktchkr_stop(ark->pc);
481 ark->pd = ark_pktdir_init(ark->pktdir.v);
482 if (ark->pd == NULL)
483 return -1;
484
485
486 if (ark_udm_verify(ark->udm.v))
487 return -1;
488 if (ark_ddm_verify(ark->ddm.v))
489 return -1;
490
491
492 if (ark_udm_reset(ark->udm.v)) {
493 ARK_PMD_LOG(ERR, "Unable to stop and reset UDM\n");
494 return -1;
495 }
496
497
498
499 mpu = ark->mpurx.v;
500 num_q = ark_api_num_queues(mpu);
501 ark->rx_queues = num_q;
502 for (i = 0; i < num_q; i++) {
503 ark_mpu_reset(mpu);
504 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET);
505 }
506
507 ark_udm_stop(ark->udm.v, 0);
508 ark_udm_configure(ark->udm.v,
509 RTE_PKTMBUF_HEADROOM,
510 RTE_MBUF_DEFAULT_DATAROOM,
511 ARK_RX_WRITE_TIME_NS);
512 ark_udm_stats_reset(ark->udm.v);
513 ark_udm_stop(ark->udm.v, 0);
514
515
516 if (ark_ddm_stop(ark->ddm.v, 1))
517 ARK_PMD_LOG(ERR, "Unable to stop DDM\n");
518
519 mpu = ark->mputx.v;
520 num_q = ark_api_num_queues(mpu);
521 ark->tx_queues = num_q;
522 for (i = 0; i < num_q; i++) {
523 ark_mpu_reset(mpu);
524 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET);
525 }
526
527 ark_ddm_reset(ark->ddm.v);
528 ark_ddm_stats_reset(ark->ddm.v);
529
530 ark_ddm_stop(ark->ddm.v, 0);
531 ark_rqp_stats_reset(ark->rqpacing);
532
533 return 0;
534}
535
536static int
537eth_ark_dev_uninit(struct rte_eth_dev *dev)
538{
539 struct ark_adapter *ark = dev->data->dev_private;
540
541 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
542 return 0;
543
544 if (ark->user_ext.dev_uninit)
545 ark->user_ext.dev_uninit(dev,
546 ark->user_data[dev->data->port_id]);
547
548 ark_pktgen_uninit(ark->pg);
549 ark_pktchkr_uninit(ark->pc);
550
551 return 0;
552}
553
554static int
555eth_ark_dev_configure(struct rte_eth_dev *dev)
556{
557 struct ark_adapter *ark = dev->data->dev_private;
558 int ret;
559
560 if (dev->data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_TIMESTAMP) {
561 ret = rte_mbuf_dyn_rx_timestamp_register(
562 &ark_timestamp_dynfield_offset,
563 &ark_timestamp_rx_dynflag);
564 if (ret != 0) {
565 ARK_PMD_LOG(ERR,
566 "Failed to register Rx timestamp field/flag\n");
567 return -rte_errno;
568 }
569 }
570
571 eth_ark_dev_set_link_up(dev);
572 if (ark->user_ext.dev_configure)
573 return ark->user_ext.dev_configure(dev,
574 ark->user_data[dev->data->port_id]);
575 return 0;
576}
577
578static void *
579delay_pg_start(void *arg)
580{
581 struct ark_adapter *ark = (struct ark_adapter *)arg;
582
583
584
585
586
587 usleep(100000);
588 ark_pktgen_run(ark->pg);
589 return NULL;
590}
591
592static int
593eth_ark_dev_start(struct rte_eth_dev *dev)
594{
595 struct ark_adapter *ark = dev->data->dev_private;
596 int i;
597
598
599
600 ark_udm_start(ark->udm.v);
601
602 for (i = 0; i < dev->data->nb_rx_queues; i++)
603 eth_ark_rx_start_queue(dev, i);
604
605
606 for (i = 0; i < dev->data->nb_tx_queues; i++)
607 eth_ark_tx_queue_start(dev, i);
608
609
610 ark_ddm_start(ark->ddm.v);
611
612 ark->started = 1;
613
614 dev->rx_pkt_burst = ð_ark_recv_pkts;
615 dev->tx_pkt_burst = ð_ark_xmit_pkts;
616
617 if (ark->start_pg)
618 ark_pktchkr_run(ark->pc);
619
620 if (ark->start_pg && (dev->data->port_id == 0)) {
621 pthread_t thread;
622
623
624
625
626 if (pthread_create(&thread, NULL, delay_pg_start, ark)) {
627 ARK_PMD_LOG(ERR, "Could not create pktgen "
628 "starter thread\n");
629 return -1;
630 }
631 }
632
633 if (ark->user_ext.dev_start)
634 ark->user_ext.dev_start(dev,
635 ark->user_data[dev->data->port_id]);
636
637 return 0;
638}
639
640static int
641eth_ark_dev_stop(struct rte_eth_dev *dev)
642{
643 uint16_t i;
644 int status;
645 struct ark_adapter *ark = dev->data->dev_private;
646 struct ark_mpu_t *mpu;
647
648 if (ark->started == 0)
649 return 0;
650 ark->started = 0;
651 dev->data->dev_started = 0;
652
653
654 if (ark->user_ext.dev_stop)
655 ark->user_ext.dev_stop(dev,
656 ark->user_data[dev->data->port_id]);
657
658
659 if (ark->start_pg)
660 ark_pktgen_pause(ark->pg);
661
662 dev->rx_pkt_burst = ð_ark_recv_pkts_noop;
663 dev->tx_pkt_burst = ð_ark_xmit_pkts_noop;
664
665
666 for (i = 0; i < dev->data->nb_tx_queues; i++) {
667 status = eth_ark_tx_queue_stop(dev, i);
668 if (status != 0) {
669 uint16_t port = dev->data->port_id;
670 ARK_PMD_LOG(ERR,
671 "tx_queue stop anomaly"
672 " port %u, queue %u\n",
673 port, i);
674 }
675 }
676
677
678
679 for (i = 0; i < 10; i++) {
680 status = ark_ddm_stop(ark->ddm.v, 1);
681 if (status == 0)
682 break;
683 }
684 if (status || i != 0) {
685 ARK_PMD_LOG(ERR, "DDM stop anomaly. status:"
686 " %d iter: %u. (%s)\n",
687 status,
688 i,
689 __func__);
690 ark_ddm_dump(ark->ddm.v, "Stop anomaly");
691
692 mpu = ark->mputx.v;
693 for (i = 0; i < ark->tx_queues; i++) {
694 ark_mpu_dump(mpu, "DDM failure dump", i);
695 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET);
696 }
697 }
698
699
700
701 for (i = 0; i < 10; i++) {
702 status = ark_udm_stop(ark->udm.v, 1);
703 if (status == 0)
704 break;
705 }
706 if (status || i != 0) {
707 ARK_PMD_LOG(ERR, "UDM stop anomaly. status %d iter: %u. (%s)\n",
708 status, i, __func__);
709 ark_udm_dump(ark->udm.v, "Stop anomaly");
710
711 mpu = ark->mpurx.v;
712 for (i = 0; i < ark->rx_queues; i++) {
713 ark_mpu_dump(mpu, "UDM Stop anomaly", i);
714 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET);
715 }
716 }
717
718 ark_udm_dump_stats(ark->udm.v, "Post stop");
719 ark_udm_dump_perf(ark->udm.v, "Post stop");
720
721 for (i = 0; i < dev->data->nb_rx_queues; i++)
722 eth_ark_rx_dump_queue(dev, i, __func__);
723
724
725 if (ark->start_pg) {
726 ark_pktchkr_dump_stats(ark->pc);
727 ark_pktchkr_stop(ark->pc);
728 }
729
730 return 0;
731}
732
733static int
734eth_ark_dev_close(struct rte_eth_dev *dev)
735{
736 struct ark_adapter *ark = dev->data->dev_private;
737 uint16_t i;
738
739 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
740 return 0;
741
742 if (ark->user_ext.dev_close)
743 ark->user_ext.dev_close(dev,
744 ark->user_data[dev->data->port_id]);
745
746 eth_ark_dev_stop(dev);
747 eth_ark_udm_force_close(dev);
748
749
750
751
752 ark_rqp_dump(ark->rqpacing);
753
754 for (i = 0; i < dev->data->nb_tx_queues; i++) {
755 eth_ark_tx_queue_release(dev->data->tx_queues[i]);
756 dev->data->tx_queues[i] = 0;
757 }
758
759 for (i = 0; i < dev->data->nb_rx_queues; i++) {
760 eth_ark_dev_rx_queue_release(dev->data->rx_queues[i]);
761 dev->data->rx_queues[i] = 0;
762 }
763
764 return 0;
765}
766
767static int
768eth_ark_dev_info_get(struct rte_eth_dev *dev,
769 struct rte_eth_dev_info *dev_info)
770{
771 struct ark_adapter *ark = dev->data->dev_private;
772 struct ark_mpu_t *tx_mpu = RTE_PTR_ADD(ark->bar0, ARK_MPU_TX_BASE);
773 struct ark_mpu_t *rx_mpu = RTE_PTR_ADD(ark->bar0, ARK_MPU_RX_BASE);
774 uint16_t ports = ark->num_ports;
775
776 dev_info->max_rx_pktlen = ARK_RX_MAX_PKT_LEN;
777 dev_info->min_rx_bufsize = ARK_RX_MIN_BUFSIZE;
778
779 dev_info->max_rx_queues = ark_api_num_queues_per_port(rx_mpu, ports);
780 dev_info->max_tx_queues = ark_api_num_queues_per_port(tx_mpu, ports);
781
782 dev_info->rx_desc_lim = (struct rte_eth_desc_lim) {
783 .nb_max = ARK_RX_MAX_QUEUE,
784 .nb_min = ARK_RX_MIN_QUEUE,
785 .nb_align = ARK_RX_MIN_QUEUE};
786
787 dev_info->tx_desc_lim = (struct rte_eth_desc_lim) {
788 .nb_max = ARK_TX_MAX_QUEUE,
789 .nb_min = ARK_TX_MIN_QUEUE,
790 .nb_align = ARK_TX_MIN_QUEUE};
791
792
793 dev_info->speed_capa = (ETH_LINK_SPEED_1G |
794 ETH_LINK_SPEED_10G |
795 ETH_LINK_SPEED_25G |
796 ETH_LINK_SPEED_40G |
797 ETH_LINK_SPEED_50G |
798 ETH_LINK_SPEED_100G);
799
800 dev_info->rx_offload_capa = DEV_RX_OFFLOAD_TIMESTAMP;
801
802 return 0;
803}
804
805static int
806eth_ark_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete)
807{
808 ARK_PMD_LOG(DEBUG, "link status = %d\n",
809 dev->data->dev_link.link_status);
810 struct ark_adapter *ark = dev->data->dev_private;
811
812 if (ark->user_ext.link_update) {
813 return ark->user_ext.link_update
814 (dev, wait_to_complete,
815 ark->user_data[dev->data->port_id]);
816 }
817 return 0;
818}
819
820static int
821eth_ark_dev_set_link_up(struct rte_eth_dev *dev)
822{
823 dev->data->dev_link.link_status = 1;
824 struct ark_adapter *ark = dev->data->dev_private;
825
826 if (ark->user_ext.dev_set_link_up)
827 return ark->user_ext.dev_set_link_up(dev,
828 ark->user_data[dev->data->port_id]);
829 return 0;
830}
831
832static int
833eth_ark_dev_set_link_down(struct rte_eth_dev *dev)
834{
835 dev->data->dev_link.link_status = 0;
836 struct ark_adapter *ark = dev->data->dev_private;
837
838 if (ark->user_ext.dev_set_link_down)
839 return ark->user_ext.dev_set_link_down(dev,
840 ark->user_data[dev->data->port_id]);
841 return 0;
842}
843
844static int
845eth_ark_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
846{
847 uint16_t i;
848 struct ark_adapter *ark = dev->data->dev_private;
849
850 stats->ipackets = 0;
851 stats->ibytes = 0;
852 stats->opackets = 0;
853 stats->obytes = 0;
854 stats->imissed = 0;
855 stats->oerrors = 0;
856
857 for (i = 0; i < dev->data->nb_tx_queues; i++)
858 eth_tx_queue_stats_get(dev->data->tx_queues[i], stats);
859 for (i = 0; i < dev->data->nb_rx_queues; i++)
860 eth_rx_queue_stats_get(dev->data->rx_queues[i], stats);
861 if (ark->user_ext.stats_get)
862 return ark->user_ext.stats_get(dev, stats,
863 ark->user_data[dev->data->port_id]);
864 return 0;
865}
866
867static int
868eth_ark_dev_stats_reset(struct rte_eth_dev *dev)
869{
870 uint16_t i;
871 struct ark_adapter *ark = dev->data->dev_private;
872
873 for (i = 0; i < dev->data->nb_tx_queues; i++)
874 eth_tx_queue_stats_reset(dev->data->tx_queues[i]);
875 for (i = 0; i < dev->data->nb_rx_queues; i++)
876 eth_rx_queue_stats_reset(dev->data->rx_queues[i]);
877 if (ark->user_ext.stats_reset)
878 ark->user_ext.stats_reset(dev,
879 ark->user_data[dev->data->port_id]);
880
881 return 0;
882}
883
884static int
885eth_ark_macaddr_add(struct rte_eth_dev *dev,
886 struct rte_ether_addr *mac_addr,
887 uint32_t index,
888 uint32_t pool)
889{
890 struct ark_adapter *ark = dev->data->dev_private;
891
892 if (ark->user_ext.mac_addr_add) {
893 ark->user_ext.mac_addr_add(dev,
894 mac_addr,
895 index,
896 pool,
897 ark->user_data[dev->data->port_id]);
898 return 0;
899 }
900 return -ENOTSUP;
901}
902
903static void
904eth_ark_macaddr_remove(struct rte_eth_dev *dev, uint32_t index)
905{
906 struct ark_adapter *ark = dev->data->dev_private;
907
908 if (ark->user_ext.mac_addr_remove)
909 ark->user_ext.mac_addr_remove(dev, index,
910 ark->user_data[dev->data->port_id]);
911}
912
913static int
914eth_ark_set_default_mac_addr(struct rte_eth_dev *dev,
915 struct rte_ether_addr *mac_addr)
916{
917 struct ark_adapter *ark = dev->data->dev_private;
918
919 if (ark->user_ext.mac_addr_set) {
920 ark->user_ext.mac_addr_set(dev, mac_addr,
921 ark->user_data[dev->data->port_id]);
922 return 0;
923 }
924 return -ENOTSUP;
925}
926
927static int
928eth_ark_set_mtu(struct rte_eth_dev *dev, uint16_t size)
929{
930 struct ark_adapter *ark = dev->data->dev_private;
931
932 if (ark->user_ext.set_mtu)
933 return ark->user_ext.set_mtu(dev, size,
934 ark->user_data[dev->data->port_id]);
935
936 return -ENOTSUP;
937}
938
939static inline int
940process_pktdir_arg(const char *key, const char *value,
941 void *extra_args)
942{
943 ARK_PMD_LOG(DEBUG, "key = %s, value = %s\n",
944 key, value);
945 struct ark_adapter *ark =
946 (struct ark_adapter *)extra_args;
947
948 ark->pkt_dir_v = strtol(value, NULL, 16);
949 ARK_PMD_LOG(DEBUG, "pkt_dir_v = 0x%x\n", ark->pkt_dir_v);
950 return 0;
951}
952
953static inline int
954process_file_args(const char *key, const char *value, void *extra_args)
955{
956 ARK_PMD_LOG(DEBUG, "key = %s, value = %s\n",
957 key, value);
958 char *args = (char *)extra_args;
959
960
961 FILE *file = fopen(value, "r");
962 char line[ARK_MAX_ARG_LEN];
963 int size = 0;
964 int first = 1;
965
966 if (file == NULL) {
967 ARK_PMD_LOG(ERR, "Unable to open "
968 "config file %s\n", value);
969 return -1;
970 }
971
972 while (fgets(line, sizeof(line), file)) {
973 size += strlen(line);
974 if (size >= ARK_MAX_ARG_LEN) {
975 ARK_PMD_LOG(ERR, "Unable to parse file %s args, "
976 "parameter list is too long\n", value);
977 fclose(file);
978 return -1;
979 }
980 if (first) {
981 strncpy(args, line, ARK_MAX_ARG_LEN);
982 first = 0;
983 } else {
984 strncat(args, line, ARK_MAX_ARG_LEN);
985 }
986 }
987 ARK_PMD_LOG(DEBUG, "file = %s\n", args);
988 fclose(file);
989 return 0;
990}
991
992static int
993eth_ark_check_args(struct ark_adapter *ark, const char *params)
994{
995 struct rte_kvargs *kvlist;
996 unsigned int k_idx;
997 struct rte_kvargs_pair *pair = NULL;
998 int ret = -1;
999
1000 kvlist = rte_kvargs_parse(params, valid_arguments);
1001 if (kvlist == NULL)
1002 return 0;
1003
1004 ark->pkt_gen_args[0] = 0;
1005 ark->pkt_chkr_args[0] = 0;
1006
1007 for (k_idx = 0; k_idx < kvlist->count; k_idx++) {
1008 pair = &kvlist->pairs[k_idx];
1009 ARK_PMD_LOG(DEBUG, "**** Arg passed to PMD = %s:%s\n",
1010 pair->key,
1011 pair->value);
1012 }
1013
1014 if (rte_kvargs_process(kvlist,
1015 ARK_PKTDIR_ARG,
1016 &process_pktdir_arg,
1017 ark) != 0) {
1018 ARK_PMD_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTDIR_ARG);
1019 goto free_kvlist;
1020 }
1021
1022 if (rte_kvargs_process(kvlist,
1023 ARK_PKTGEN_ARG,
1024 &process_file_args,
1025 ark->pkt_gen_args) != 0) {
1026 ARK_PMD_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTGEN_ARG);
1027 goto free_kvlist;
1028 }
1029
1030 if (rte_kvargs_process(kvlist,
1031 ARK_PKTCHKR_ARG,
1032 &process_file_args,
1033 ark->pkt_chkr_args) != 0) {
1034 ARK_PMD_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTCHKR_ARG);
1035 goto free_kvlist;
1036 }
1037
1038 ARK_PMD_LOG(INFO, "packet director set to 0x%x\n", ark->pkt_dir_v);
1039
1040 ark_pktdir_setup(ark->pd, ark->pkt_dir_v);
1041
1042
1043 if (ark->pkt_gen_args[0]) {
1044 ARK_PMD_LOG(DEBUG, "Setting up the packet generator\n");
1045 ark_pktgen_parse(ark->pkt_gen_args);
1046 ark_pktgen_reset(ark->pg);
1047 ark_pktgen_setup(ark->pg);
1048 ark->start_pg = 1;
1049 }
1050
1051
1052 if (ark->pkt_chkr_args[0]) {
1053 ark_pktchkr_parse(ark->pkt_chkr_args);
1054 ark_pktchkr_setup(ark->pc);
1055 }
1056
1057 ret = 0;
1058
1059free_kvlist:
1060 rte_kvargs_free(kvlist);
1061
1062 return ret;
1063}
1064
1065RTE_PMD_REGISTER_PCI(net_ark, rte_ark_pmd);
1066RTE_PMD_REGISTER_KMOD_DEP(net_ark, "* igb_uio | uio_pci_generic ");
1067RTE_PMD_REGISTER_PCI_TABLE(net_ark, pci_id_ark_map);
1068RTE_PMD_REGISTER_PARAM_STRING(net_ark,
1069 ARK_PKTGEN_ARG "=<filename> "
1070 ARK_PKTCHKR_ARG "=<filename> "
1071 ARK_PKTDIR_ARG "=<bitmap>");
1072RTE_LOG_REGISTER(ark_logtype, pmd.net.ark, NOTICE);
1073
