1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright (c) 2015-2018 Atomic Rules LLC
3 */
4
5 #include <unistd.h>
6 #include <sys/stat.h>
7 #include <dlfcn.h>
8
9 #include <rte_bus_pci.h>
10 #include <ethdev_pci.h>
11 #include <rte_kvargs.h>
12
13 #include "ark_global.h"
14 #include "ark_logs.h"
15 #include "ark_ethdev_tx.h"
16 #include "ark_ethdev_rx.h"
17 #include "ark_mpu.h"
18 #include "ark_ddm.h"
19 #include "ark_udm.h"
20 #include "ark_rqp.h"
21 #include "ark_pktdir.h"
22 #include "ark_pktgen.h"
23 #include "ark_pktchkr.h"
24
25 /* Internal prototypes */
26 static int eth_ark_check_args(struct ark_adapter *ark, const char *params);
27 static int eth_ark_dev_init(struct rte_eth_dev *dev);
28 static int ark_config_device(struct rte_eth_dev *dev);
29 static int eth_ark_dev_uninit(struct rte_eth_dev *eth_dev);
30 static int eth_ark_dev_configure(struct rte_eth_dev *dev);
31 static int eth_ark_dev_start(struct rte_eth_dev *dev);
32 static int eth_ark_dev_stop(struct rte_eth_dev *dev);
33 static int eth_ark_dev_close(struct rte_eth_dev *dev);
34 static int eth_ark_dev_info_get(struct rte_eth_dev *dev,
35 struct rte_eth_dev_info *dev_info);
36 static int eth_ark_dev_link_update(struct rte_eth_dev *dev,
37 int wait_to_complete);
38 static int eth_ark_dev_set_link_up(struct rte_eth_dev *dev);
39 static int eth_ark_dev_set_link_down(struct rte_eth_dev *dev);
40 static int eth_ark_dev_stats_get(struct rte_eth_dev *dev,
41 struct rte_eth_stats *stats);
42 static int eth_ark_dev_stats_reset(struct rte_eth_dev *dev);
43 static int eth_ark_set_default_mac_addr(struct rte_eth_dev *dev,
44 struct rte_ether_addr *mac_addr);
45 static int eth_ark_macaddr_add(struct rte_eth_dev *dev,
46 struct rte_ether_addr *mac_addr,
47 uint32_t index,
48 uint32_t pool);
49 static void eth_ark_macaddr_remove(struct rte_eth_dev *dev,
50 uint32_t index);
51 static int eth_ark_set_mtu(struct rte_eth_dev *dev, uint16_t size);
52
53 /*
54 * The packet generator is a functional block used to generate packet
55 * patterns for testing. It is not intended for nominal use.
56 */
57 #define ARK_PKTGEN_ARG "Pkt_gen"
58
59 /*
60 * The packet checker is a functional block used to verify packet
61 * patterns for testing. It is not intended for nominal use.
62 */
63 #define ARK_PKTCHKR_ARG "Pkt_chkr"
64
65 /*
66 * The packet director is used to select the internal ingress and
67 * egress packets paths during testing. It is not intended for
68 * nominal use.
69 */
70 #define ARK_PKTDIR_ARG "Pkt_dir"
71
72 /* Devinfo configurations */
73 #define ARK_RX_MAX_QUEUE (4096 * 4)
74 #define ARK_RX_MIN_QUEUE (512)
75 #define ARK_RX_MAX_PKT_LEN ((16 * 1024) - 128)
76 #define ARK_RX_MIN_BUFSIZE (1024)
77
78 #define ARK_TX_MAX_QUEUE (4096 * 4)
79 #define ARK_TX_MIN_QUEUE (256)
80
81 static const char * const valid_arguments[] = {
82 ARK_PKTGEN_ARG,
83 ARK_PKTCHKR_ARG,
84 ARK_PKTDIR_ARG,
85 NULL
86 };
87
88 #define AR_VENDOR_ID 0x1d6c
89 static const struct rte_pci_id pci_id_ark_map[] = {
90 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x100d)},
91 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x100e)},
92 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x100f)},
93 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x1010)},
94 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x1017)},
95 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x1018)},
96 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x1019)},
97 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x101e)},
98 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x101f)},
99 {.vendor_id = 0, /* sentinel */ },
100 };
101
102 /*
103 * This structure is used to statically define the capabilities
104 * of supported devices.
105 * Capabilities:
106 * rqpacing -
107 * Some HW variants require that PCIe read-requests be correctly throttled.
108 * This is called "rqpacing" and has to do with credit and flow control
109 * on certain Arkville implementations.
110 */
111 struct ark_caps {
112 bool rqpacing;
113 };
114 struct ark_dev_caps {
115 uint32_t device_id;
116 struct ark_caps caps;
117 };
118 #define SET_DEV_CAPS(id, rqp) \
119 {id, {.rqpacing = rqp} }
120
121 static const struct ark_dev_caps
122 ark_device_caps[] = {
123 SET_DEV_CAPS(0x100d, true),
124 SET_DEV_CAPS(0x100e, true),
125 SET_DEV_CAPS(0x100f, true),
126 SET_DEV_CAPS(0x1010, false),
127 SET_DEV_CAPS(0x1017, true),
128 SET_DEV_CAPS(0x1018, true),
129 SET_DEV_CAPS(0x1019, true),
130 SET_DEV_CAPS(0x101e, false),
131 SET_DEV_CAPS(0x101f, false),
132 {.device_id = 0,}
133 };
134
135 static int
eth_ark_pci_probe(struct rte_pci_driver * pci_drv __rte_unused,struct rte_pci_device * pci_dev)136 eth_ark_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
137 struct rte_pci_device *pci_dev)
138 {
139 struct rte_eth_dev *eth_dev;
140 int ret;
141
142 eth_dev = rte_eth_dev_pci_allocate(pci_dev, sizeof(struct ark_adapter));
143
144 if (eth_dev == NULL)
145 return -ENOMEM;
146
147 ret = eth_ark_dev_init(eth_dev);
148 if (ret)
149 rte_eth_dev_release_port(eth_dev);
150
151 return ret;
152 }
153
154 static int
eth_ark_pci_remove(struct rte_pci_device * pci_dev)155 eth_ark_pci_remove(struct rte_pci_device *pci_dev)
156 {
157 return rte_eth_dev_pci_generic_remove(pci_dev, eth_ark_dev_uninit);
158 }
159
160 static struct rte_pci_driver rte_ark_pmd = {
161 .id_table = pci_id_ark_map,
162 .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
163 .probe = eth_ark_pci_probe,
164 .remove = eth_ark_pci_remove,
165 };
166
167 static const struct eth_dev_ops ark_eth_dev_ops = {
168 .dev_configure = eth_ark_dev_configure,
169 .dev_start = eth_ark_dev_start,
170 .dev_stop = eth_ark_dev_stop,
171 .dev_close = eth_ark_dev_close,
172
173 .dev_infos_get = eth_ark_dev_info_get,
174
175 .rx_queue_setup = eth_ark_dev_rx_queue_setup,
176 .tx_queue_setup = eth_ark_tx_queue_setup,
177
178 .link_update = eth_ark_dev_link_update,
179 .dev_set_link_up = eth_ark_dev_set_link_up,
180 .dev_set_link_down = eth_ark_dev_set_link_down,
181
182 .rx_queue_start = eth_ark_rx_start_queue,
183 .rx_queue_stop = eth_ark_rx_stop_queue,
184
185 .tx_queue_start = eth_ark_tx_queue_start,
186 .tx_queue_stop = eth_ark_tx_queue_stop,
187
188 .stats_get = eth_ark_dev_stats_get,
189 .stats_reset = eth_ark_dev_stats_reset,
190
191 .mac_addr_add = eth_ark_macaddr_add,
192 .mac_addr_remove = eth_ark_macaddr_remove,
193 .mac_addr_set = eth_ark_set_default_mac_addr,
194
195 .mtu_set = eth_ark_set_mtu,
196 };
197
198 static int
check_for_ext(struct ark_adapter * ark)199 check_for_ext(struct ark_adapter *ark)
200 {
201 int found = 0;
202
203 /* Get the env */
204 const char *dllpath = getenv("ARK_EXT_PATH");
205
206 if (dllpath == NULL) {
207 ARK_PMD_LOG(DEBUG, "EXT NO dll path specified\n");
208 return 0;
209 }
210 ARK_PMD_LOG(NOTICE, "EXT found dll path at %s\n", dllpath);
211
212 /* Open and load the .so */
213 ark->d_handle = dlopen(dllpath, RTLD_LOCAL | RTLD_LAZY);
214 if (ark->d_handle == NULL) {
215 ARK_PMD_LOG(ERR, "Could not load user extension %s\n",
216 dllpath);
217 return -1;
218 }
219 ARK_PMD_LOG(DEBUG, "SUCCESS: loaded user extension %s\n",
220 dllpath);
221
222 /* Get the entry points */
223 ark->user_ext.dev_init =
224 (void *(*)(struct rte_eth_dev *, void *, int))
225 dlsym(ark->d_handle, "rte_pmd_ark_dev_init");
226 ARK_PMD_LOG(DEBUG, "device ext init pointer = %p\n",
227 ark->user_ext.dev_init);
228 ark->user_ext.dev_get_port_count =
229 (int (*)(struct rte_eth_dev *, void *))
230 dlsym(ark->d_handle, "rte_pmd_ark_dev_get_port_count");
231 ark->user_ext.dev_uninit =
232 (void (*)(struct rte_eth_dev *, void *))
233 dlsym(ark->d_handle, "rte_pmd_ark_dev_uninit");
234 ark->user_ext.dev_configure =
235 (int (*)(struct rte_eth_dev *, void *))
236 dlsym(ark->d_handle, "rte_pmd_ark_dev_configure");
237 ark->user_ext.dev_start =
238 (int (*)(struct rte_eth_dev *, void *))
239 dlsym(ark->d_handle, "rte_pmd_ark_dev_start");
240 ark->user_ext.dev_stop =
241 (void (*)(struct rte_eth_dev *, void *))
242 dlsym(ark->d_handle, "rte_pmd_ark_dev_stop");
243 ark->user_ext.dev_close =
244 (void (*)(struct rte_eth_dev *, void *))
245 dlsym(ark->d_handle, "rte_pmd_ark_dev_close");
246 ark->user_ext.link_update =
247 (int (*)(struct rte_eth_dev *, int, void *))
248 dlsym(ark->d_handle, "rte_pmd_ark_link_update");
249 ark->user_ext.dev_set_link_up =
250 (int (*)(struct rte_eth_dev *, void *))
251 dlsym(ark->d_handle, "rte_pmd_ark_dev_set_link_up");
252 ark->user_ext.dev_set_link_down =
253 (int (*)(struct rte_eth_dev *, void *))
254 dlsym(ark->d_handle, "rte_pmd_ark_dev_set_link_down");
255 ark->user_ext.stats_get =
256 (int (*)(struct rte_eth_dev *, struct rte_eth_stats *,
257 void *))
258 dlsym(ark->d_handle, "rte_pmd_ark_stats_get");
259 ark->user_ext.stats_reset =
260 (void (*)(struct rte_eth_dev *, void *))
261 dlsym(ark->d_handle, "rte_pmd_ark_stats_reset");
262 ark->user_ext.mac_addr_add =
263 (void (*)(struct rte_eth_dev *, struct rte_ether_addr *,
264 uint32_t, uint32_t, void *))
265 dlsym(ark->d_handle, "rte_pmd_ark_mac_addr_add");
266 ark->user_ext.mac_addr_remove =
267 (void (*)(struct rte_eth_dev *, uint32_t, void *))
268 dlsym(ark->d_handle, "rte_pmd_ark_mac_addr_remove");
269 ark->user_ext.mac_addr_set =
270 (void (*)(struct rte_eth_dev *, struct rte_ether_addr *,
271 void *))
272 dlsym(ark->d_handle, "rte_pmd_ark_mac_addr_set");
273 ark->user_ext.set_mtu =
274 (int (*)(struct rte_eth_dev *, uint16_t,
275 void *))
276 dlsym(ark->d_handle, "rte_pmd_ark_set_mtu");
277 ark->user_ext.rx_user_meta_hook =
278 (rx_user_meta_hook_fn)dlsym(ark->d_handle,
279 "rte_pmd_ark_rx_user_meta_hook");
280 ark->user_ext.tx_user_meta_hook =
281 (tx_user_meta_hook_fn)dlsym(ark->d_handle,
282 "rte_pmd_ark_tx_user_meta_hook");
283
284 return found;
285 }
286
287 static int
eth_ark_dev_init(struct rte_eth_dev * dev)288 eth_ark_dev_init(struct rte_eth_dev *dev)
289 {
290 struct ark_adapter *ark = dev->data->dev_private;
291 struct rte_pci_device *pci_dev;
292 int ret;
293 int port_count = 1;
294 int p;
295 bool rqpacing = false;
296
297 ark->eth_dev = dev;
298
299 ARK_PMD_LOG(DEBUG, "\n");
300
301 /* Check to see if there is an extension that we need to load */
302 ret = check_for_ext(ark);
303 if (ret)
304 return ret;
305
306 pci_dev = RTE_ETH_DEV_TO_PCI(dev);
307 rte_eth_copy_pci_info(dev, pci_dev);
308 dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS;
309
310 p = 0;
311 while (ark_device_caps[p].device_id != 0) {
312 if (pci_dev->id.device_id == ark_device_caps[p].device_id) {
313 rqpacing = ark_device_caps[p].caps.rqpacing;
314 break;
315 }
316 p++;
317 }
318
319 /* Use dummy function until setup */
320 dev->rx_pkt_burst = rte_eth_pkt_burst_dummy;
321 dev->tx_pkt_burst = rte_eth_pkt_burst_dummy;
322
323 ark->bar0 = (uint8_t *)pci_dev->mem_resource[0].addr;
324 ark->a_bar = (uint8_t *)pci_dev->mem_resource[2].addr;
325
326 ark->sysctrl.v = (void *)&ark->bar0[ARK_SYSCTRL_BASE];
327 ark->mpurx.v = (void *)&ark->bar0[ARK_MPU_RX_BASE];
328 ark->udm.v = (void *)&ark->bar0[ARK_UDM_BASE];
329 ark->mputx.v = (void *)&ark->bar0[ARK_MPU_TX_BASE];
330 ark->ddm.v = (void *)&ark->bar0[ARK_DDM_BASE];
331 ark->cmac.v = (void *)&ark->bar0[ARK_CMAC_BASE];
332 ark->external.v = (void *)&ark->bar0[ARK_EXTERNAL_BASE];
333 ark->pktdir.v = (void *)&ark->bar0[ARK_PKTDIR_BASE];
334 ark->pktgen.v = (void *)&ark->bar0[ARK_PKTGEN_BASE];
335 ark->pktchkr.v = (void *)&ark->bar0[ARK_PKTCHKR_BASE];
336
337 if (rqpacing) {
338 ark->rqpacing =
339 (struct ark_rqpace_t *)(ark->bar0 + ARK_RCPACING_BASE);
340 } else {
341 ark->rqpacing = NULL;
342 }
343 ark->started = 0;
344 ark->pkt_dir_v = ARK_PKT_DIR_INIT_VAL;
345
346 ARK_PMD_LOG(INFO, "Sys Ctrl Const = 0x%x HW Commit_ID: %08x\n",
347 ark->sysctrl.t32[4],
348 rte_be_to_cpu_32(ark->sysctrl.t32[0x20 / 4]));
349 ARK_PMD_LOG(NOTICE, "Arkville HW Commit_ID: %08x\n",
350 rte_be_to_cpu_32(ark->sysctrl.t32[0x20 / 4]));
351
352 /* If HW sanity test fails, return an error */
353 if (ark->sysctrl.t32[4] != 0xcafef00d) {
354 ARK_PMD_LOG(ERR,
355 "HW Sanity test has failed, expected constant"
356 " 0x%x, read 0x%x (%s)\n",
357 0xcafef00d,
358 ark->sysctrl.t32[4], __func__);
359 return -1;
360 }
361 if (ark->sysctrl.t32[3] != 0) {
362 if (ark->rqpacing) {
363 if (ark_rqp_lasped(ark->rqpacing)) {
364 ARK_PMD_LOG(ERR, "Arkville Evaluation System - "
365 "Timer has Expired\n");
366 return -1;
367 }
368 ARK_PMD_LOG(WARNING, "Arkville Evaluation System - "
369 "Timer is Running\n");
370 }
371 }
372
373 ARK_PMD_LOG(DEBUG,
374 "HW Sanity test has PASSED, expected constant"
375 " 0x%x, read 0x%x (%s)\n",
376 0xcafef00d, ark->sysctrl.t32[4], __func__);
377
378 /* We are a single function multi-port device. */
379 ret = ark_config_device(dev);
380 if (ret)
381 return -1;
382
383 dev->dev_ops = &ark_eth_dev_ops;
384 dev->rx_queue_count = eth_ark_dev_rx_queue_count;
385
386 dev->data->mac_addrs = rte_zmalloc("ark", RTE_ETHER_ADDR_LEN, 0);
387 if (!dev->data->mac_addrs) {
388 ARK_PMD_LOG(ERR,
389 "Failed to allocated memory for storing mac address"
390 );
391 }
392
393 if (ark->user_ext.dev_init) {
394 ark->user_data[dev->data->port_id] =
395 ark->user_ext.dev_init(dev, ark->a_bar, 0);
396 if (!ark->user_data[dev->data->port_id]) {
397 ARK_PMD_LOG(WARNING,
398 "Failed to initialize PMD extension!"
399 " continuing without it\n");
400 memset(&ark->user_ext, 0, sizeof(struct ark_user_ext));
401 dlclose(ark->d_handle);
402 }
403 }
404
405 if (pci_dev->device.devargs)
406 ret = eth_ark_check_args(ark, pci_dev->device.devargs->args);
407 else
408 ARK_PMD_LOG(INFO, "No Device args found\n");
409
410 if (ret)
411 goto error;
412 /*
413 * We will create additional devices based on the number of requested
414 * ports
415 */
416 if (ark->user_ext.dev_get_port_count)
417 port_count =
418 ark->user_ext.dev_get_port_count(dev,
419 ark->user_data[dev->data->port_id]);
420 ark->num_ports = port_count;
421
422 for (p = 0; p < port_count; p++) {
423 struct rte_eth_dev *eth_dev;
424 char name[RTE_ETH_NAME_MAX_LEN];
425
426 snprintf(name, sizeof(name), "arketh%d",
427 dev->data->port_id + p);
428
429 if (p == 0) {
430 /* First port is already allocated by DPDK */
431 eth_dev = ark->eth_dev;
432 rte_eth_dev_probing_finish(eth_dev);
433 continue;
434 }
435
436 /* reserve an ethdev entry */
437 eth_dev = rte_eth_dev_allocate(name);
438 if (!eth_dev) {
439 ARK_PMD_LOG(ERR,
440 "Could not allocate eth_dev for port %d\n",
441 p);
442 goto error;
443 }
444
445 eth_dev->device = &pci_dev->device;
446 eth_dev->data->dev_private = ark;
447 eth_dev->dev_ops = ark->eth_dev->dev_ops;
448 eth_dev->tx_pkt_burst = ark->eth_dev->tx_pkt_burst;
449 eth_dev->rx_pkt_burst = ark->eth_dev->rx_pkt_burst;
450
451 rte_eth_copy_pci_info(eth_dev, pci_dev);
452 eth_dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS;
453
454 eth_dev->data->mac_addrs = rte_zmalloc(name,
455 RTE_ETHER_ADDR_LEN, 0);
456 if (!eth_dev->data->mac_addrs) {
457 ARK_PMD_LOG(ERR,
458 "Memory allocation for MAC failed!"
459 " Exiting.\n");
460 goto error;
461 }
462
463 if (ark->user_ext.dev_init) {
464 ark->user_data[eth_dev->data->port_id] =
465 ark->user_ext.dev_init(dev, ark->a_bar, p);
466 }
467
468 rte_eth_dev_probing_finish(eth_dev);
469 }
470
471 return ret;
472
473 error:
474 rte_free(dev->data->mac_addrs);
475 dev->data->mac_addrs = NULL;
476 return -1;
477 }
478
479 /*
480 *Initial device configuration when device is opened
481 * setup the DDM, and UDM
482 * Called once per PCIE device
483 */
484 static int
ark_config_device(struct rte_eth_dev * dev)485 ark_config_device(struct rte_eth_dev *dev)
486 {
487 struct ark_adapter *ark = dev->data->dev_private;
488 uint16_t num_q, i;
489 struct ark_mpu_t *mpu;
490
491 /*
492 * Make sure that the packet director, generator and checker are in a
493 * known state
494 */
495 ark->start_pg = 0;
496 ark->pg_running = 0;
497 ark->pg = ark_pktgen_init(ark->pktgen.v, 0, 1);
498 if (ark->pg == NULL)
499 return -1;
500 ark_pktgen_reset(ark->pg);
501 ark->pc = ark_pktchkr_init(ark->pktchkr.v, 0, 1);
502 if (ark->pc == NULL)
503 return -1;
504 ark_pktchkr_stop(ark->pc);
505 ark->pd = ark_pktdir_init(ark->pktdir.v);
506 if (ark->pd == NULL)
507 return -1;
508
509 /* Verify HW */
510 if (ark_udm_verify(ark->udm.v))
511 return -1;
512 if (ark_ddm_verify(ark->ddm.v))
513 return -1;
514
515 /* UDM */
516 if (ark_udm_reset(ark->udm.v)) {
517 ARK_PMD_LOG(ERR, "Unable to stop and reset UDM\n");
518 return -1;
519 }
520 /* Keep in reset until the MPU are cleared */
521
522 /* MPU reset */
523 mpu = ark->mpurx.v;
524 num_q = ark_api_num_queues(mpu);
525 ark->rx_queues = num_q;
526 for (i = 0; i < num_q; i++) {
527 ark_mpu_reset(mpu);
528 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET);
529 }
530
531 /* TX -- DDM */
532 if (ark_ddm_stop(ark->ddm.v, 1))
533 ARK_PMD_LOG(ERR, "Unable to stop DDM\n");
534
535 mpu = ark->mputx.v;
536 num_q = ark_api_num_queues(mpu);
537 ark->tx_queues = num_q;
538 for (i = 0; i < num_q; i++) {
539 ark_mpu_reset(mpu);
540 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET);
541 }
542
543 ark_ddm_reset(ark->ddm.v);
544 ark_ddm_stats_reset(ark->ddm.v);
545
546 ark_ddm_stop(ark->ddm.v, 0);
547 if (ark->rqpacing)
548 ark_rqp_stats_reset(ark->rqpacing);
549
550 return 0;
551 }
552
553 static int
eth_ark_dev_uninit(struct rte_eth_dev * dev)554 eth_ark_dev_uninit(struct rte_eth_dev *dev)
555 {
556 struct ark_adapter *ark = dev->data->dev_private;
557
558 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
559 return 0;
560
561 if (ark->user_ext.dev_uninit)
562 ark->user_ext.dev_uninit(dev,
563 ark->user_data[dev->data->port_id]);
564
565 ark_pktgen_uninit(ark->pg);
566 ark_pktchkr_uninit(ark->pc);
567
568 return 0;
569 }
570
571 static int
eth_ark_dev_configure(struct rte_eth_dev * dev)572 eth_ark_dev_configure(struct rte_eth_dev *dev)
573 {
574 struct ark_adapter *ark = dev->data->dev_private;
575
576 eth_ark_dev_set_link_up(dev);
577 if (ark->user_ext.dev_configure)
578 return ark->user_ext.dev_configure(dev,
579 ark->user_data[dev->data->port_id]);
580 return 0;
581 }
582
583 static int
eth_ark_dev_start(struct rte_eth_dev * dev)584 eth_ark_dev_start(struct rte_eth_dev *dev)
585 {
586 struct ark_adapter *ark = dev->data->dev_private;
587 int i;
588
589 /* RX Side */
590 /* start UDM */
591 ark_udm_start(ark->udm.v);
592
593 for (i = 0; i < dev->data->nb_rx_queues; i++)
594 eth_ark_rx_start_queue(dev, i);
595
596 /* TX Side */
597 for (i = 0; i < dev->data->nb_tx_queues; i++)
598 eth_ark_tx_queue_start(dev, i);
599
600 /* start DDM */
601 ark_ddm_start(ark->ddm.v);
602
603 ark->started = 1;
604 /* set xmit and receive function */
605 dev->rx_pkt_burst = ð_ark_recv_pkts;
606 dev->tx_pkt_burst = ð_ark_xmit_pkts;
607
608 if (ark->start_pg)
609 ark_pktchkr_run(ark->pc);
610
611 if (ark->start_pg && !ark->pg_running) {
612 pthread_t thread;
613
614 /* Delay packet generatpr start allow the hardware to be ready
615 * This is only used for sanity checking with internal generator
616 */
617 char tname[32];
618 snprintf(tname, sizeof(tname), "ark-delay-pg-%d",
619 dev->data->port_id);
620
621 if (rte_ctrl_thread_create(&thread, tname, NULL,
622 ark_pktgen_delay_start, ark->pg)) {
623 ARK_PMD_LOG(ERR, "Could not create pktgen "
624 "starter thread\n");
625 return -1;
626 }
627 ark->pg_running = 1;
628 }
629
630 if (ark->user_ext.dev_start)
631 ark->user_ext.dev_start(dev,
632 ark->user_data[dev->data->port_id]);
633
634 return 0;
635 }
636
637 static int
eth_ark_dev_stop(struct rte_eth_dev * dev)638 eth_ark_dev_stop(struct rte_eth_dev *dev)
639 {
640 uint16_t i;
641 int status;
642 struct ark_adapter *ark = dev->data->dev_private;
643 struct ark_mpu_t *mpu;
644
645 if (ark->started == 0)
646 return 0;
647 ark->started = 0;
648 dev->data->dev_started = 0;
649
650 /* Stop the extension first */
651 if (ark->user_ext.dev_stop)
652 ark->user_ext.dev_stop(dev,
653 ark->user_data[dev->data->port_id]);
654
655 /* Stop the packet generator */
656 if (ark->start_pg && ark->pg_running) {
657 ark_pktgen_pause(ark->pg);
658 ark->pg_running = 0;
659 }
660
661 dev->rx_pkt_burst = rte_eth_pkt_burst_dummy;
662 dev->tx_pkt_burst = rte_eth_pkt_burst_dummy;
663
664 /* STOP TX Side */
665 for (i = 0; i < dev->data->nb_tx_queues; i++) {
666 status = eth_ark_tx_queue_stop(dev, i);
667 if (status != 0) {
668 uint16_t port = dev->data->port_id;
669 ARK_PMD_LOG(ERR,
670 "tx_queue stop anomaly"
671 " port %u, queue %u\n",
672 port, i);
673 }
674 }
675
676 /* Stop DDM */
677 /* Wait up to 0.1 second. each stop is up to 1000 * 10 useconds */
678 for (i = 0; i < 10; i++) {
679 status = ark_ddm_stop(ark->ddm.v, 1);
680 if (status == 0)
681 break;
682 }
683 if (status || i != 0) {
684 ARK_PMD_LOG(ERR, "DDM stop anomaly. status:"
685 " %d iter: %u. (%s)\n",
686 status,
687 i,
688 __func__);
689 ark_ddm_dump(ark->ddm.v, "Stop anomaly");
690
691 mpu = ark->mputx.v;
692 for (i = 0; i < ark->tx_queues; i++) {
693 ark_mpu_dump(mpu, "DDM failure dump", i);
694 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET);
695 }
696 }
697
698 /* STOP RX Side */
699 /* Stop UDM multiple tries attempted */
700 for (i = 0; i < 10; i++) {
701 status = ark_udm_stop(ark->udm.v, 1);
702 if (status == 0)
703 break;
704 }
705 if (status || i != 0) {
706 ARK_PMD_LOG(ERR, "UDM stop anomaly. status %d iter: %u. (%s)\n",
707 status, i, __func__);
708 ark_udm_dump(ark->udm.v, "Stop anomaly");
709
710 mpu = ark->mpurx.v;
711 for (i = 0; i < ark->rx_queues; i++) {
712 ark_mpu_dump(mpu, "UDM Stop anomaly", i);
713 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET);
714 }
715 }
716
717 ark_udm_dump_stats(ark->udm.v, "Post stop");
718 ark_udm_dump_perf(ark->udm.v, "Post stop");
719
720 for (i = 0; i < dev->data->nb_rx_queues; i++)
721 eth_ark_rx_dump_queue(dev, i, __func__);
722
723 /* Stop the packet checker if it is running */
724 if (ark->start_pg) {
725 ark_pktchkr_dump_stats(ark->pc);
726 ark_pktchkr_stop(ark->pc);
727 }
728
729 return 0;
730 }
731
732 static int
eth_ark_dev_close(struct rte_eth_dev * dev)733 eth_ark_dev_close(struct rte_eth_dev *dev)
734 {
735 struct ark_adapter *ark = dev->data->dev_private;
736 uint16_t i;
737
738 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
739 return 0;
740
741 if (ark->user_ext.dev_close)
742 ark->user_ext.dev_close(dev,
743 ark->user_data[dev->data->port_id]);
744
745 eth_ark_dev_stop(dev);
746 eth_ark_udm_force_close(dev);
747
748 /*
749 * TODO This should only be called once for the device during shutdown
750 */
751 if (ark->rqpacing)
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
767 static int
eth_ark_dev_info_get(struct rte_eth_dev * dev,struct rte_eth_dev_info * dev_info)768 eth_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}; /* power of 2 */
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}; /* power of 2 */
791
792 /* ARK PMD supports all line rates, how do we indicate that here ?? */
793 dev_info->speed_capa = (RTE_ETH_LINK_SPEED_1G |
794 RTE_ETH_LINK_SPEED_10G |
795 RTE_ETH_LINK_SPEED_25G |
796 RTE_ETH_LINK_SPEED_40G |
797 RTE_ETH_LINK_SPEED_50G |
798 RTE_ETH_LINK_SPEED_100G);
799
800 dev_info->rx_offload_capa = RTE_ETH_RX_OFFLOAD_TIMESTAMP;
801
802 return 0;
803 }
804
805 static int
eth_ark_dev_link_update(struct rte_eth_dev * dev,int wait_to_complete)806 eth_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
820 static int
eth_ark_dev_set_link_up(struct rte_eth_dev * dev)821 eth_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
832 static int
eth_ark_dev_set_link_down(struct rte_eth_dev * dev)833 eth_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
844 static int
eth_ark_dev_stats_get(struct rte_eth_dev * dev,struct rte_eth_stats * stats)845 eth_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
867 static int
eth_ark_dev_stats_reset(struct rte_eth_dev * dev)868 eth_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
884 static int
eth_ark_macaddr_add(struct rte_eth_dev * dev,struct rte_ether_addr * mac_addr,uint32_t index,uint32_t pool)885 eth_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
903 static void
eth_ark_macaddr_remove(struct rte_eth_dev * dev,uint32_t index)904 eth_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
913 static int
eth_ark_set_default_mac_addr(struct rte_eth_dev * dev,struct rte_ether_addr * mac_addr)914 eth_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
927 static int
eth_ark_set_mtu(struct rte_eth_dev * dev,uint16_t size)928 eth_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
939 static inline int
process_pktdir_arg(const char * key,const char * value,void * extra_args)940 process_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
953 static inline int
process_file_args(const char * key,const char * value,void * extra_args)954 process_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 /* Open the configuration file */
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
992 static int
eth_ark_check_args(struct ark_adapter * ark,const char * params)993 eth_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 /* Setup the packet director */
1040 ark_pktdir_setup(ark->pd, ark->pkt_dir_v);
1041
1042 /* Setup the packet generator */
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 /* Setup the packet checker */
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
1059 free_kvlist:
1060 rte_kvargs_free(kvlist);
1061
1062 return ret;
1063 }
1064
1065 RTE_PMD_REGISTER_PCI(net_ark, rte_ark_pmd);
1066 RTE_PMD_REGISTER_KMOD_DEP(net_ark, "* igb_uio | uio_pci_generic ");
1067 RTE_PMD_REGISTER_PCI_TABLE(net_ark, pci_id_ark_map);
1068 RTE_PMD_REGISTER_PARAM_STRING(net_ark,
1069 ARK_PKTGEN_ARG "=<filename> "
1070 ARK_PKTCHKR_ARG "=<filename> "
1071 ARK_PKTDIR_ARG "=<bitmap>");
1072 RTE_LOG_REGISTER_DEFAULT(ark_logtype, NOTICE);
1073