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 <bus_pci_driver.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_pktdir.h"
21 #include "ark_pktgen.h"
22 #include "ark_pktchkr.h"
23
24 /* Internal prototypes */
25 static int eth_ark_check_args(struct ark_adapter *ark, const char *params);
26 static int eth_ark_dev_init(struct rte_eth_dev *dev);
27 static int ark_config_device(struct rte_eth_dev *dev);
28 static int eth_ark_dev_uninit(struct rte_eth_dev *eth_dev);
29 static int eth_ark_dev_configure(struct rte_eth_dev *dev);
30 static int eth_ark_dev_start(struct rte_eth_dev *dev);
31 static int eth_ark_dev_stop(struct rte_eth_dev *dev);
32 static int eth_ark_dev_close(struct rte_eth_dev *dev);
33 static int eth_ark_dev_info_get(struct rte_eth_dev *dev,
34 struct rte_eth_dev_info *dev_info);
35 static int eth_ark_dev_link_update(struct rte_eth_dev *dev,
36 int wait_to_complete);
37 static int eth_ark_dev_set_link_up(struct rte_eth_dev *dev);
38 static int eth_ark_dev_set_link_down(struct rte_eth_dev *dev);
39 static int eth_ark_dev_stats_get(struct rte_eth_dev *dev,
40 struct rte_eth_stats *stats);
41 static int eth_ark_dev_stats_reset(struct rte_eth_dev *dev);
42 static int eth_ark_set_default_mac_addr(struct rte_eth_dev *dev,
43 struct rte_ether_addr *mac_addr);
44 static int eth_ark_macaddr_add(struct rte_eth_dev *dev,
45 struct rte_ether_addr *mac_addr,
46 uint32_t index,
47 uint32_t pool);
48 static void eth_ark_macaddr_remove(struct rte_eth_dev *dev,
49 uint32_t index);
50 static int eth_ark_set_mtu(struct rte_eth_dev *dev, uint16_t size);
51
52 /*
53 * The packet generator is a functional block used to generate packet
54 * patterns for testing. It is not intended for nominal use.
55 */
56 #define ARK_PKTGEN_ARG "Pkt_gen"
57
58 /*
59 * The packet checker is a functional block used to verify packet
60 * patterns for testing. It is not intended for nominal use.
61 */
62 #define ARK_PKTCHKR_ARG "Pkt_chkr"
63
64 /*
65 * The packet director is used to select the internal ingress and
66 * egress packets paths during testing. It is not intended for
67 * nominal use.
68 */
69 #define ARK_PKTDIR_ARG "Pkt_dir"
70
71 /* Devinfo configurations */
72 #define ARK_RX_MAX_QUEUE (4096 * 4)
73 #define ARK_RX_MIN_QUEUE (512)
74 #define ARK_RX_MAX_PKT_LEN ((16 * 1024) - 128)
75 #define ARK_RX_MIN_BUFSIZE (1024)
76
77 #define ARK_TX_MAX_QUEUE (4096 * 4)
78 #define ARK_TX_MIN_QUEUE (256)
79
80 static const char * const valid_arguments[] = {
81 ARK_PKTGEN_ARG,
82 ARK_PKTCHKR_ARG,
83 ARK_PKTDIR_ARG,
84 NULL
85 };
86
87 #define AR_VENDOR_ID 0x1d6c
88 static const struct rte_pci_id pci_id_ark_map[] = {
89 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x100d)},
90 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x100e)},
91 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x100f)},
92 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x1010)},
93 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x1017)},
94 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x1018)},
95 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x1019)},
96 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x101a)},
97 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x101b)},
98 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x101c)},
99 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x101e)},
100 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x101f)},
101 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x1022)},
102 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x1024)},
103 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x1025)},
104 {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x1026)},
105 {.vendor_id = 0, /* sentinel */ },
106 };
107
108 /*
109 * This structure is used to statically define the capabilities
110 * of supported devices.
111 * Capabilities:
112 * isvf -- defined for function id that are virtual
113 */
114 struct ark_caps {
115 bool isvf;
116 };
117 struct ark_dev_caps {
118 uint32_t device_id;
119 struct ark_caps caps;
120 };
121 #define SET_DEV_CAPS(id, vf) \
122 {id, {.isvf = vf} }
123
124 static const struct ark_dev_caps
125 ark_device_caps[] = {
126 SET_DEV_CAPS(0x100d, false),
127 SET_DEV_CAPS(0x100e, false),
128 SET_DEV_CAPS(0x100f, false),
129 SET_DEV_CAPS(0x1010, false),
130 SET_DEV_CAPS(0x1017, false),
131 SET_DEV_CAPS(0x1018, false),
132 SET_DEV_CAPS(0x1019, false),
133 SET_DEV_CAPS(0x101a, false),
134 SET_DEV_CAPS(0x101b, false),
135 SET_DEV_CAPS(0x101c, true),
136 SET_DEV_CAPS(0x101e, false),
137 SET_DEV_CAPS(0x101f, false),
138 {.device_id = 0,}
139 };
140
141 static int
eth_ark_pci_probe(struct rte_pci_driver * pci_drv __rte_unused,struct rte_pci_device * pci_dev)142 eth_ark_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
143 struct rte_pci_device *pci_dev)
144 {
145 struct rte_eth_dev *eth_dev;
146 int ret;
147
148 eth_dev = rte_eth_dev_pci_allocate(pci_dev, sizeof(struct ark_adapter));
149
150 if (eth_dev == NULL)
151 return -ENOMEM;
152
153 ret = eth_ark_dev_init(eth_dev);
154 if (ret)
155 rte_eth_dev_release_port(eth_dev);
156
157 return ret;
158 }
159
160 static int
eth_ark_pci_remove(struct rte_pci_device * pci_dev)161 eth_ark_pci_remove(struct rte_pci_device *pci_dev)
162 {
163 return rte_eth_dev_pci_generic_remove(pci_dev, eth_ark_dev_uninit);
164 }
165
166 static struct rte_pci_driver rte_ark_pmd = {
167 .id_table = pci_id_ark_map,
168 .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
169 .probe = eth_ark_pci_probe,
170 .remove = eth_ark_pci_remove,
171 };
172
173 static const struct eth_dev_ops ark_eth_dev_ops = {
174 .dev_configure = eth_ark_dev_configure,
175 .dev_start = eth_ark_dev_start,
176 .dev_stop = eth_ark_dev_stop,
177 .dev_close = eth_ark_dev_close,
178
179 .dev_infos_get = eth_ark_dev_info_get,
180
181 .rx_queue_setup = eth_ark_dev_rx_queue_setup,
182 .tx_queue_setup = eth_ark_tx_queue_setup,
183
184 .link_update = eth_ark_dev_link_update,
185 .dev_set_link_up = eth_ark_dev_set_link_up,
186 .dev_set_link_down = eth_ark_dev_set_link_down,
187
188 .rx_queue_start = eth_ark_rx_start_queue,
189 .rx_queue_stop = eth_ark_rx_stop_queue,
190
191 .tx_queue_start = eth_ark_tx_queue_start,
192 .tx_queue_stop = eth_ark_tx_queue_stop,
193
194 .stats_get = eth_ark_dev_stats_get,
195 .stats_reset = eth_ark_dev_stats_reset,
196
197 .mac_addr_add = eth_ark_macaddr_add,
198 .mac_addr_remove = eth_ark_macaddr_remove,
199 .mac_addr_set = eth_ark_set_default_mac_addr,
200
201 .mtu_set = eth_ark_set_mtu,
202 };
203
204 static int
check_for_ext(struct ark_adapter * ark)205 check_for_ext(struct ark_adapter *ark)
206 {
207 int found = 0;
208
209 /* Get the env */
210 const char *dllpath = getenv("ARK_EXT_PATH");
211
212 if (dllpath == NULL) {
213 ARK_PMD_LOG(DEBUG, "EXT NO dll path specified\n");
214 return 0;
215 }
216 ARK_PMD_LOG(NOTICE, "EXT found dll path at %s\n", dllpath);
217
218 /* Open and load the .so */
219 ark->d_handle = dlopen(dllpath, RTLD_LOCAL | RTLD_LAZY);
220 if (ark->d_handle == NULL) {
221 ARK_PMD_LOG(ERR, "Could not load user extension %s\n",
222 dllpath);
223 return -1;
224 }
225 ARK_PMD_LOG(DEBUG, "SUCCESS: loaded user extension %s\n",
226 dllpath);
227
228 /* Get the entry points */
229 ark->user_ext.dev_init =
230 (void *(*)(struct rte_eth_dev *, void *, int))
231 dlsym(ark->d_handle, "rte_pmd_ark_dev_init");
232 ARK_PMD_LOG(DEBUG, "device ext init pointer = %p\n",
233 ark->user_ext.dev_init);
234 ark->user_ext.dev_get_port_count =
235 (int (*)(struct rte_eth_dev *, void *))
236 dlsym(ark->d_handle, "rte_pmd_ark_dev_get_port_count");
237 ark->user_ext.dev_uninit =
238 (void (*)(struct rte_eth_dev *, void *))
239 dlsym(ark->d_handle, "rte_pmd_ark_dev_uninit");
240 ark->user_ext.dev_configure =
241 (int (*)(struct rte_eth_dev *, void *))
242 dlsym(ark->d_handle, "rte_pmd_ark_dev_configure");
243 ark->user_ext.dev_start =
244 (int (*)(struct rte_eth_dev *, void *))
245 dlsym(ark->d_handle, "rte_pmd_ark_dev_start");
246 ark->user_ext.dev_stop =
247 (void (*)(struct rte_eth_dev *, void *))
248 dlsym(ark->d_handle, "rte_pmd_ark_dev_stop");
249 ark->user_ext.dev_close =
250 (void (*)(struct rte_eth_dev *, void *))
251 dlsym(ark->d_handle, "rte_pmd_ark_dev_close");
252 ark->user_ext.link_update =
253 (int (*)(struct rte_eth_dev *, int, void *))
254 dlsym(ark->d_handle, "rte_pmd_ark_link_update");
255 ark->user_ext.dev_set_link_up =
256 (int (*)(struct rte_eth_dev *, void *))
257 dlsym(ark->d_handle, "rte_pmd_ark_dev_set_link_up");
258 ark->user_ext.dev_set_link_down =
259 (int (*)(struct rte_eth_dev *, void *))
260 dlsym(ark->d_handle, "rte_pmd_ark_dev_set_link_down");
261 ark->user_ext.stats_get =
262 (int (*)(struct rte_eth_dev *, struct rte_eth_stats *,
263 void *))
264 dlsym(ark->d_handle, "rte_pmd_ark_stats_get");
265 ark->user_ext.stats_reset =
266 (void (*)(struct rte_eth_dev *, void *))
267 dlsym(ark->d_handle, "rte_pmd_ark_stats_reset");
268 ark->user_ext.mac_addr_add =
269 (void (*)(struct rte_eth_dev *, struct rte_ether_addr *,
270 uint32_t, uint32_t, void *))
271 dlsym(ark->d_handle, "rte_pmd_ark_mac_addr_add");
272 ark->user_ext.mac_addr_remove =
273 (void (*)(struct rte_eth_dev *, uint32_t, void *))
274 dlsym(ark->d_handle, "rte_pmd_ark_mac_addr_remove");
275 ark->user_ext.mac_addr_set =
276 (void (*)(struct rte_eth_dev *, struct rte_ether_addr *,
277 void *))
278 dlsym(ark->d_handle, "rte_pmd_ark_mac_addr_set");
279 ark->user_ext.set_mtu =
280 (int (*)(struct rte_eth_dev *, uint16_t,
281 void *))
282 dlsym(ark->d_handle, "rte_pmd_ark_set_mtu");
283 ark->user_ext.rx_user_meta_hook =
284 (rx_user_meta_hook_fn)dlsym(ark->d_handle,
285 "rte_pmd_ark_rx_user_meta_hook");
286 ark->user_ext.tx_user_meta_hook =
287 (tx_user_meta_hook_fn)dlsym(ark->d_handle,
288 "rte_pmd_ark_tx_user_meta_hook");
289
290 return found;
291 }
292
293 static int
eth_ark_dev_init(struct rte_eth_dev * dev)294 eth_ark_dev_init(struct rte_eth_dev *dev)
295 {
296 struct ark_adapter *ark = dev->data->dev_private;
297 struct rte_pci_device *pci_dev;
298 int ret;
299 int port_count = 1;
300 int p;
301 uint16_t num_queues;
302
303 ark->eth_dev = dev;
304
305 ARK_PMD_LOG(DEBUG, "\n");
306
307 /* Check to see if there is an extension that we need to load */
308 ret = check_for_ext(ark);
309 if (ret)
310 return ret;
311
312 pci_dev = RTE_ETH_DEV_TO_PCI(dev);
313 rte_eth_copy_pci_info(dev, pci_dev);
314 dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS;
315
316 p = 0;
317 while (ark_device_caps[p].device_id != 0) {
318 if (pci_dev->id.device_id == ark_device_caps[p].device_id) {
319 ark->isvf = ark_device_caps[p].caps.isvf;
320 break;
321 }
322 p++;
323 }
324
325 /* Use dummy function until setup */
326 dev->rx_pkt_burst = rte_eth_pkt_burst_dummy;
327 dev->tx_pkt_burst = rte_eth_pkt_burst_dummy;
328
329 ark->bar0 = (uint8_t *)pci_dev->mem_resource[0].addr;
330 ark->a_bar = (uint8_t *)pci_dev->mem_resource[2].addr;
331
332 ark->sysctrl.v = (void *)&ark->bar0[ARK_SYSCTRL_BASE];
333 ark->mpurx.v = (void *)&ark->bar0[ARK_MPU_RX_BASE];
334 ark->udm.v = (void *)&ark->bar0[ARK_UDM_BASE];
335 ark->mputx.v = (void *)&ark->bar0[ARK_MPU_TX_BASE];
336 ark->ddm.v = (void *)&ark->bar0[ARK_DDM_BASE];
337 ark->cmac.v = (void *)&ark->bar0[ARK_CMAC_BASE];
338 ark->external.v = (void *)&ark->bar0[ARK_EXTERNAL_BASE];
339 ark->pktdir.v = (void *)&ark->bar0[ARK_PKTDIR_BASE];
340 ark->pktgen.v = (void *)&ark->bar0[ARK_PKTGEN_BASE];
341 ark->pktchkr.v = (void *)&ark->bar0[ARK_PKTCHKR_BASE];
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
362 ARK_PMD_LOG(DEBUG,
363 "HW Sanity test has PASSED, expected constant"
364 " 0x%x, read 0x%x (%s)\n",
365 0xcafef00d, ark->sysctrl.t32[4], __func__);
366
367 /* We are a single function multi-port device. */
368 ret = ark_config_device(dev);
369 if (ret)
370 return -1;
371
372 dev->dev_ops = &ark_eth_dev_ops;
373 dev->rx_queue_count = eth_ark_dev_rx_queue_count;
374
375 dev->data->mac_addrs = rte_zmalloc("ark", RTE_ETHER_ADDR_LEN, 0);
376 if (!dev->data->mac_addrs) {
377 ARK_PMD_LOG(ERR,
378 "Failed to allocated memory for storing mac address"
379 );
380 }
381
382 if (ark->user_ext.dev_init) {
383 ark->user_data[dev->data->port_id] =
384 ark->user_ext.dev_init(dev, ark->a_bar, 0);
385 if (!ark->user_data[dev->data->port_id]) {
386 ARK_PMD_LOG(WARNING,
387 "Failed to initialize PMD extension!"
388 " continuing without it\n");
389 memset(&ark->user_ext, 0, sizeof(struct ark_user_ext));
390 dlclose(ark->d_handle);
391 }
392 }
393
394 if (pci_dev->device.devargs)
395 ret = eth_ark_check_args(ark, pci_dev->device.devargs->args);
396 else
397 ARK_PMD_LOG(INFO, "No Device args found\n");
398
399 if (ret)
400 goto error;
401 /*
402 * We will create additional devices based on the number of requested
403 * ports
404 */
405 if (ark->user_ext.dev_get_port_count)
406 port_count =
407 ark->user_ext.dev_get_port_count(dev,
408 ark->user_data[dev->data->port_id]);
409 ark->num_ports = port_count;
410 num_queues = ark_api_num_queues_per_port(ark->mpurx.v, port_count);
411
412 for (p = 0; p < port_count; p++) {
413 struct rte_eth_dev *eth_dev;
414 char name[RTE_ETH_NAME_MAX_LEN];
415
416 snprintf(name, sizeof(name), "arketh%d",
417 dev->data->port_id + p);
418
419 if (p == 0) {
420 /* First port is already allocated by DPDK */
421 eth_dev = ark->eth_dev;
422 rte_eth_dev_probing_finish(eth_dev);
423 continue;
424 }
425
426 /* reserve an ethdev entry */
427 eth_dev = rte_eth_dev_allocate(name);
428 if (!eth_dev) {
429 ARK_PMD_LOG(ERR,
430 "Could not allocate eth_dev for port %d\n",
431 p);
432 goto error;
433 }
434
435 eth_dev->device = &pci_dev->device;
436 /* Device requires new dev_private data */
437 eth_dev->data->dev_private =
438 rte_zmalloc_socket(name,
439 sizeof(struct ark_adapter),
440 RTE_CACHE_LINE_SIZE,
441 rte_socket_id());
442
443 memcpy(eth_dev->data->dev_private, ark,
444 sizeof(struct ark_adapter));
445 ark = eth_dev->data->dev_private;
446 ark->qbase = p * num_queues;
447
448 eth_dev->dev_ops = ark->eth_dev->dev_ops;
449 eth_dev->tx_pkt_burst = ark->eth_dev->tx_pkt_burst;
450 eth_dev->rx_pkt_burst = ark->eth_dev->rx_pkt_burst;
451
452 rte_eth_copy_pci_info(eth_dev, pci_dev);
453 eth_dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS;
454
455 eth_dev->data->mac_addrs = rte_zmalloc(name,
456 RTE_ETHER_ADDR_LEN, 0);
457 if (!eth_dev->data->mac_addrs) {
458 ARK_PMD_LOG(ERR,
459 "Memory allocation for MAC failed!"
460 " Exiting.\n");
461 goto error;
462 }
463
464 if (ark->user_ext.dev_init) {
465 ark->user_data[eth_dev->data->port_id] =
466 ark->user_ext.dev_init(dev, ark->a_bar, p);
467 }
468
469 rte_eth_dev_probing_finish(eth_dev);
470 }
471
472 return ret;
473
474 error:
475 rte_free(dev->data->mac_addrs);
476 dev->data->mac_addrs = NULL;
477 return -1;
478 }
479
480 /*
481 *Initial device configuration when device is opened
482 * setup the DDM, and UDM
483 * Called once per PCIE device
484 */
485 static int
ark_config_device(struct rte_eth_dev * dev)486 ark_config_device(struct rte_eth_dev *dev)
487 {
488 struct ark_adapter *ark = dev->data->dev_private;
489 uint16_t num_q, i;
490 struct ark_mpu_t *mpu;
491
492 /*
493 * Make sure that the packet director, generator and checker are in a
494 * known state
495 */
496 if (!ark->isvf) {
497 ark->start_pg = 0;
498 ark->pg_running = 0;
499 ark->pg = ark_pktgen_init(ark->pktgen.v, 0, 1);
500 if (ark->pg == NULL)
501 return -1;
502 ark_pktgen_reset(ark->pg);
503 ark->pc = ark_pktchkr_init(ark->pktchkr.v, 0, 1);
504 if (ark->pc == NULL)
505 return -1;
506 ark_pktchkr_stop(ark->pc);
507 ark->pd = ark_pktdir_init(ark->pktdir.v);
508 if (ark->pd == NULL)
509 return -1;
510 }
511 /* Verify HW */
512 if (ark_udm_verify(ark->udm.v))
513 return -1;
514 if (ark_ddm_verify(ark->ddm.v))
515 return -1;
516
517 /* MPU reset */
518 mpu = ark->mpurx.v;
519 num_q = ark_api_num_queues(mpu);
520 ark->rx_queues = num_q;
521 for (i = 0; i < num_q; i++) {
522 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET);
523 }
524
525 mpu = ark->mputx.v;
526 num_q = ark_api_num_queues(mpu);
527 ark->tx_queues = num_q;
528 for (i = 0; i < num_q; i++) {
529 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET);
530 }
531
532 return 0;
533 }
534
535 static int
eth_ark_dev_uninit(struct rte_eth_dev * dev)536 eth_ark_dev_uninit(struct rte_eth_dev *dev)
537 {
538 struct ark_adapter *ark = dev->data->dev_private;
539
540 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
541 return 0;
542
543 if (ark->user_ext.dev_uninit)
544 ark->user_ext.dev_uninit(dev,
545 ark->user_data[dev->data->port_id]);
546
547 if (!ark->isvf) {
548 ark_pktgen_uninit(ark->pg);
549 ark_pktchkr_uninit(ark->pc);
550 }
551
552 return 0;
553 }
554
555 static int
eth_ark_dev_configure(struct rte_eth_dev * dev)556 eth_ark_dev_configure(struct rte_eth_dev *dev)
557 {
558 struct ark_adapter *ark = dev->data->dev_private;
559
560 eth_ark_dev_set_link_up(dev);
561 if (ark->user_ext.dev_configure)
562 return ark->user_ext.dev_configure(dev,
563 ark->user_data[dev->data->port_id]);
564 return 0;
565 }
566
567 static int
eth_ark_dev_start(struct rte_eth_dev * dev)568 eth_ark_dev_start(struct rte_eth_dev *dev)
569 {
570 struct ark_adapter *ark = dev->data->dev_private;
571 int i;
572
573 /* RX Side */
574 for (i = 0; i < dev->data->nb_rx_queues; i++)
575 eth_ark_rx_start_queue(dev, i);
576
577 /* TX Side */
578 for (i = 0; i < dev->data->nb_tx_queues; i++)
579 eth_ark_tx_queue_start(dev, i);
580
581 ark->started = 1;
582 /* set xmit and receive function */
583 dev->rx_pkt_burst = ð_ark_recv_pkts;
584 dev->tx_pkt_burst = ð_ark_xmit_pkts;
585
586 if (!ark->isvf && ark->start_pg)
587 ark_pktchkr_run(ark->pc);
588
589 if (!ark->isvf && ark->start_pg && !ark->pg_running) {
590 rte_thread_t thread;
591
592 /* Delay packet generator start allow the hardware to be ready
593 * This is only used for sanity checking with internal generator
594 */
595 char tname[RTE_THREAD_INTERNAL_NAME_SIZE];
596 snprintf(tname, sizeof(tname), "ark-pg%d", dev->data->port_id);
597
598 if (rte_thread_create_internal_control(&thread, tname,
599 ark_pktgen_delay_start, ark->pg)) {
600 ARK_PMD_LOG(ERR, "Could not create pktgen "
601 "starter thread\n");
602 return -1;
603 }
604 ark->pg_running = 1;
605 }
606
607 if (ark->user_ext.dev_start)
608 ark->user_ext.dev_start(dev,
609 ark->user_data[dev->data->port_id]);
610
611 return 0;
612 }
613
614 static int
eth_ark_dev_stop(struct rte_eth_dev * dev)615 eth_ark_dev_stop(struct rte_eth_dev *dev)
616 {
617 uint16_t i;
618 int status;
619 struct ark_adapter *ark = dev->data->dev_private;
620
621 if (ark->started == 0)
622 return 0;
623 ark->started = 0;
624 dev->data->dev_started = 0;
625
626 /* Stop the extension first */
627 if (ark->user_ext.dev_stop)
628 ark->user_ext.dev_stop(dev,
629 ark->user_data[dev->data->port_id]);
630
631 /* Stop the packet generator */
632 if (!ark->isvf && ark->start_pg && ark->pg_running) {
633 ark_pktgen_pause(ark->pg);
634 ark->pg_running = 0;
635 }
636
637 dev->rx_pkt_burst = rte_eth_pkt_burst_dummy;
638 dev->tx_pkt_burst = rte_eth_pkt_burst_dummy;
639
640 /* Stop RX Side */
641 for (i = 0; i < dev->data->nb_rx_queues; i++)
642 eth_ark_rx_stop_queue(dev, i);
643
644 /* STOP TX Side */
645 for (i = 0; i < dev->data->nb_tx_queues; i++) {
646 status = eth_ark_tx_queue_stop(dev, i);
647 if (status != 0) {
648 uint16_t port = dev->data->port_id;
649 ARK_PMD_LOG(ERR,
650 "tx_queue stop anomaly"
651 " port %u, queue %u\n",
652 port, i);
653 }
654 }
655
656 ark_udm_dump_stats(ark->udm.v, "Post stop");
657
658 for (i = 0; i < dev->data->nb_rx_queues; i++)
659 eth_ark_rx_dump_queue(dev, i, __func__);
660
661 /* Stop the packet checker if it is running */
662 if (!ark->isvf && ark->start_pg) {
663 ark_pktchkr_dump_stats(ark->pc);
664 ark_pktchkr_stop(ark->pc);
665 }
666
667 return 0;
668 }
669
670 static int
eth_ark_dev_close(struct rte_eth_dev * dev)671 eth_ark_dev_close(struct rte_eth_dev *dev)
672 {
673 struct ark_adapter *ark = dev->data->dev_private;
674 uint16_t i;
675
676 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
677 return 0;
678
679 if (ark->user_ext.dev_close)
680 ark->user_ext.dev_close(dev,
681 ark->user_data[dev->data->port_id]);
682
683 eth_ark_dev_stop(dev);
684
685 /*
686 * This should only be called once for the device during shutdown
687 */
688 /* return to power-on state */
689 if (ark->pd)
690 ark_pktdir_setup(ark->pd, ARK_PKT_DIR_INIT_VAL);
691
692 for (i = 0; i < dev->data->nb_tx_queues; i++) {
693 eth_ark_tx_queue_release(dev->data->tx_queues[i]);
694 dev->data->tx_queues[i] = 0;
695 }
696
697 for (i = 0; i < dev->data->nb_rx_queues; i++) {
698 eth_ark_dev_rx_queue_release(dev->data->rx_queues[i]);
699 dev->data->rx_queues[i] = 0;
700 }
701
702 return 0;
703 }
704
705 static int
eth_ark_dev_info_get(struct rte_eth_dev * dev,struct rte_eth_dev_info * dev_info)706 eth_ark_dev_info_get(struct rte_eth_dev *dev,
707 struct rte_eth_dev_info *dev_info)
708 {
709 struct ark_adapter *ark = dev->data->dev_private;
710 struct ark_mpu_t *tx_mpu = RTE_PTR_ADD(ark->bar0, ARK_MPU_TX_BASE);
711 struct ark_mpu_t *rx_mpu = RTE_PTR_ADD(ark->bar0, ARK_MPU_RX_BASE);
712 uint16_t ports = ark->num_ports;
713
714 dev_info->max_rx_pktlen = ARK_RX_MAX_PKT_LEN;
715 dev_info->min_rx_bufsize = ARK_RX_MIN_BUFSIZE;
716
717 dev_info->max_rx_queues = ark_api_num_queues_per_port(rx_mpu, ports);
718 dev_info->max_tx_queues = ark_api_num_queues_per_port(tx_mpu, ports);
719
720 dev_info->rx_desc_lim = (struct rte_eth_desc_lim) {
721 .nb_max = ARK_RX_MAX_QUEUE,
722 .nb_min = ARK_RX_MIN_QUEUE,
723 .nb_align = ARK_RX_MIN_QUEUE}; /* power of 2 */
724
725 dev_info->tx_desc_lim = (struct rte_eth_desc_lim) {
726 .nb_max = ARK_TX_MAX_QUEUE,
727 .nb_min = ARK_TX_MIN_QUEUE,
728 .nb_align = ARK_TX_MIN_QUEUE}; /* power of 2 */
729
730 /* ARK PMD supports all line rates, how do we indicate that here ?? */
731 dev_info->speed_capa = (RTE_ETH_LINK_SPEED_1G |
732 RTE_ETH_LINK_SPEED_10G |
733 RTE_ETH_LINK_SPEED_25G |
734 RTE_ETH_LINK_SPEED_40G |
735 RTE_ETH_LINK_SPEED_50G |
736 RTE_ETH_LINK_SPEED_100G);
737
738 dev_info->rx_offload_capa = RTE_ETH_RX_OFFLOAD_TIMESTAMP;
739
740 return 0;
741 }
742
743 static int
eth_ark_dev_link_update(struct rte_eth_dev * dev,int wait_to_complete)744 eth_ark_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete)
745 {
746 ARK_PMD_LOG(DEBUG, "link status = %d\n",
747 dev->data->dev_link.link_status);
748 struct ark_adapter *ark = dev->data->dev_private;
749
750 if (ark->user_ext.link_update) {
751 return ark->user_ext.link_update
752 (dev, wait_to_complete,
753 ark->user_data[dev->data->port_id]);
754 }
755 return 0;
756 }
757
758 static int
eth_ark_dev_set_link_up(struct rte_eth_dev * dev)759 eth_ark_dev_set_link_up(struct rte_eth_dev *dev)
760 {
761 dev->data->dev_link.link_status = 1;
762 struct ark_adapter *ark = dev->data->dev_private;
763
764 if (ark->user_ext.dev_set_link_up)
765 return ark->user_ext.dev_set_link_up(dev,
766 ark->user_data[dev->data->port_id]);
767 return 0;
768 }
769
770 static int
eth_ark_dev_set_link_down(struct rte_eth_dev * dev)771 eth_ark_dev_set_link_down(struct rte_eth_dev *dev)
772 {
773 dev->data->dev_link.link_status = 0;
774 struct ark_adapter *ark = dev->data->dev_private;
775
776 if (ark->user_ext.dev_set_link_down)
777 return ark->user_ext.dev_set_link_down(dev,
778 ark->user_data[dev->data->port_id]);
779 return 0;
780 }
781
782 static int
eth_ark_dev_stats_get(struct rte_eth_dev * dev,struct rte_eth_stats * stats)783 eth_ark_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
784 {
785 uint16_t i;
786 struct ark_adapter *ark = dev->data->dev_private;
787
788 stats->ipackets = 0;
789 stats->ibytes = 0;
790 stats->opackets = 0;
791 stats->obytes = 0;
792 stats->imissed = 0;
793 stats->oerrors = 0;
794
795 for (i = 0; i < dev->data->nb_tx_queues; i++)
796 eth_tx_queue_stats_get(dev->data->tx_queues[i], stats);
797 for (i = 0; i < dev->data->nb_rx_queues; i++)
798 eth_rx_queue_stats_get(dev->data->rx_queues[i], stats);
799 if (ark->user_ext.stats_get)
800 return ark->user_ext.stats_get(dev, stats,
801 ark->user_data[dev->data->port_id]);
802 return 0;
803 }
804
805 static int
eth_ark_dev_stats_reset(struct rte_eth_dev * dev)806 eth_ark_dev_stats_reset(struct rte_eth_dev *dev)
807 {
808 uint16_t i;
809 struct ark_adapter *ark = dev->data->dev_private;
810
811 for (i = 0; i < dev->data->nb_tx_queues; i++)
812 eth_tx_queue_stats_reset(dev->data->tx_queues[i]);
813 for (i = 0; i < dev->data->nb_rx_queues; i++)
814 eth_rx_queue_stats_reset(dev->data->rx_queues[i]);
815 if (ark->user_ext.stats_reset)
816 ark->user_ext.stats_reset(dev,
817 ark->user_data[dev->data->port_id]);
818
819 return 0;
820 }
821
822 static int
eth_ark_macaddr_add(struct rte_eth_dev * dev,struct rte_ether_addr * mac_addr,uint32_t index,uint32_t pool)823 eth_ark_macaddr_add(struct rte_eth_dev *dev,
824 struct rte_ether_addr *mac_addr,
825 uint32_t index,
826 uint32_t pool)
827 {
828 struct ark_adapter *ark = dev->data->dev_private;
829
830 if (ark->user_ext.mac_addr_add) {
831 ark->user_ext.mac_addr_add(dev,
832 mac_addr,
833 index,
834 pool,
835 ark->user_data[dev->data->port_id]);
836 return 0;
837 }
838 return -ENOTSUP;
839 }
840
841 static void
eth_ark_macaddr_remove(struct rte_eth_dev * dev,uint32_t index)842 eth_ark_macaddr_remove(struct rte_eth_dev *dev, uint32_t index)
843 {
844 struct ark_adapter *ark = dev->data->dev_private;
845
846 if (ark->user_ext.mac_addr_remove)
847 ark->user_ext.mac_addr_remove(dev, index,
848 ark->user_data[dev->data->port_id]);
849 }
850
851 static int
eth_ark_set_default_mac_addr(struct rte_eth_dev * dev,struct rte_ether_addr * mac_addr)852 eth_ark_set_default_mac_addr(struct rte_eth_dev *dev,
853 struct rte_ether_addr *mac_addr)
854 {
855 struct ark_adapter *ark = dev->data->dev_private;
856
857 if (ark->user_ext.mac_addr_set) {
858 ark->user_ext.mac_addr_set(dev, mac_addr,
859 ark->user_data[dev->data->port_id]);
860 return 0;
861 }
862 return -ENOTSUP;
863 }
864
865 static int
eth_ark_set_mtu(struct rte_eth_dev * dev,uint16_t size)866 eth_ark_set_mtu(struct rte_eth_dev *dev, uint16_t size)
867 {
868 struct ark_adapter *ark = dev->data->dev_private;
869
870 if (ark->user_ext.set_mtu)
871 return ark->user_ext.set_mtu(dev, size,
872 ark->user_data[dev->data->port_id]);
873
874 return -ENOTSUP;
875 }
876
877 static inline int
process_pktdir_arg(const char * key,const char * value,void * extra_args)878 process_pktdir_arg(const char *key, const char *value,
879 void *extra_args)
880 {
881 ARK_PMD_LOG(DEBUG, "key = %s, value = %s\n",
882 key, value);
883 struct ark_adapter *ark =
884 (struct ark_adapter *)extra_args;
885
886 ark->pkt_dir_v = strtol(value, NULL, 16);
887 ARK_PMD_LOG(DEBUG, "pkt_dir_v = 0x%x\n", ark->pkt_dir_v);
888 return 0;
889 }
890
891 static inline int
process_file_args(const char * key,const char * value,void * extra_args)892 process_file_args(const char *key, const char *value, void *extra_args)
893 {
894 ARK_PMD_LOG(DEBUG, "key = %s, value = %s\n",
895 key, value);
896 char *args = (char *)extra_args;
897
898 /* Open the configuration file */
899 FILE *file = fopen(value, "r");
900 char line[ARK_MAX_ARG_LEN];
901 int size = 0;
902 int first = 1;
903
904 if (file == NULL) {
905 ARK_PMD_LOG(ERR, "Unable to open "
906 "config file %s\n", value);
907 return -1;
908 }
909
910 while (fgets(line, sizeof(line), file)) {
911 size += strlen(line);
912 if (size >= ARK_MAX_ARG_LEN) {
913 ARK_PMD_LOG(ERR, "Unable to parse file %s args, "
914 "parameter list is too long\n", value);
915 fclose(file);
916 return -1;
917 }
918 if (first) {
919 strncpy(args, line, ARK_MAX_ARG_LEN);
920 first = 0;
921 } else {
922 strncat(args, line, ARK_MAX_ARG_LEN);
923 }
924 }
925 ARK_PMD_LOG(DEBUG, "file = %s\n", args);
926 fclose(file);
927 return 0;
928 }
929
930 static int
eth_ark_check_args(struct ark_adapter * ark,const char * params)931 eth_ark_check_args(struct ark_adapter *ark, const char *params)
932 {
933 struct rte_kvargs *kvlist;
934 unsigned int k_idx;
935 struct rte_kvargs_pair *pair = NULL;
936 int ret = -1;
937
938 kvlist = rte_kvargs_parse(params, valid_arguments);
939 if (kvlist == NULL)
940 return 0;
941
942 ark->pkt_gen_args[0] = 0;
943 ark->pkt_chkr_args[0] = 0;
944
945 for (k_idx = 0; k_idx < kvlist->count; k_idx++) {
946 pair = &kvlist->pairs[k_idx];
947 ARK_PMD_LOG(DEBUG, "**** Arg passed to PMD = %s:%s\n",
948 pair->key,
949 pair->value);
950 }
951
952 if (rte_kvargs_process(kvlist,
953 ARK_PKTDIR_ARG,
954 &process_pktdir_arg,
955 ark) != 0) {
956 ARK_PMD_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTDIR_ARG);
957 goto free_kvlist;
958 }
959
960 if (rte_kvargs_process(kvlist,
961 ARK_PKTGEN_ARG,
962 &process_file_args,
963 ark->pkt_gen_args) != 0) {
964 ARK_PMD_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTGEN_ARG);
965 goto free_kvlist;
966 }
967
968 if (rte_kvargs_process(kvlist,
969 ARK_PKTCHKR_ARG,
970 &process_file_args,
971 ark->pkt_chkr_args) != 0) {
972 ARK_PMD_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTCHKR_ARG);
973 goto free_kvlist;
974 }
975
976 if (ark->isvf) {
977 ret = 0;
978 goto free_kvlist;
979 }
980 ARK_PMD_LOG(INFO, "packet director set to 0x%x\n", ark->pkt_dir_v);
981 /* Setup the packet director */
982 ark_pktdir_setup(ark->pd, ark->pkt_dir_v);
983
984 /* Setup the packet generator */
985 if (ark->pkt_gen_args[0]) {
986 ARK_PMD_LOG(DEBUG, "Setting up the packet generator\n");
987 ark_pktgen_parse(ark->pkt_gen_args);
988 ark_pktgen_reset(ark->pg);
989 ark_pktgen_setup(ark->pg);
990 ark->start_pg = 1;
991 }
992
993 /* Setup the packet checker */
994 if (ark->pkt_chkr_args[0]) {
995 ark_pktchkr_parse(ark->pkt_chkr_args);
996 ark_pktchkr_setup(ark->pc);
997 }
998
999 ret = 0;
1000
1001 free_kvlist:
1002 rte_kvargs_free(kvlist);
1003
1004 return ret;
1005 }
1006
1007 RTE_PMD_REGISTER_PCI(net_ark, rte_ark_pmd);
1008 RTE_PMD_REGISTER_KMOD_DEP(net_ark, "* igb_uio | uio_pci_generic ");
1009 RTE_PMD_REGISTER_PCI_TABLE(net_ark, pci_id_ark_map);
1010 RTE_PMD_REGISTER_PARAM_STRING(net_ark,
1011 ARK_PKTGEN_ARG "=<filename> "
1012 ARK_PKTCHKR_ARG "=<filename> "
1013 ARK_PKTDIR_ARG "=<bitmap>");
1014 RTE_LOG_REGISTER_DEFAULT(ark_logtype, NOTICE);
1015