doc: announce behavior change in bus probing
[dpdk.git] / examples / qos_sched / init.c
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2010-2014 Intel Corporation
3  */
4
5 #include <stdint.h>
6 #include <memory.h>
7
8 #include <rte_log.h>
9 #include <rte_mbuf.h>
10 #include <rte_debug.h>
11 #include <rte_ethdev.h>
12 #include <rte_mempool.h>
13 #include <rte_sched.h>
14 #include <rte_cycles.h>
15 #include <rte_string_fns.h>
16 #include <rte_cfgfile.h>
17
18 #include "main.h"
19 #include "cfg_file.h"
20
21 uint32_t app_numa_mask = 0;
22 static uint32_t app_inited_port_mask = 0;
23
24 int app_pipe_to_profile[MAX_SCHED_SUBPORTS][MAX_SCHED_PIPES];
25
26 #define MAX_NAME_LEN 32
27
28 struct ring_conf ring_conf = {
29         .rx_size   = APP_RX_DESC_DEFAULT,
30         .ring_size = APP_RING_SIZE,
31         .tx_size   = APP_TX_DESC_DEFAULT,
32 };
33
34 struct burst_conf burst_conf = {
35         .rx_burst    = MAX_PKT_RX_BURST,
36         .ring_burst  = PKT_ENQUEUE,
37         .qos_dequeue = PKT_DEQUEUE,
38         .tx_burst    = MAX_PKT_TX_BURST,
39 };
40
41 struct ring_thresh rx_thresh = {
42         .pthresh = RX_PTHRESH,
43         .hthresh = RX_HTHRESH,
44         .wthresh = RX_WTHRESH,
45 };
46
47 struct ring_thresh tx_thresh = {
48         .pthresh = TX_PTHRESH,
49         .hthresh = TX_HTHRESH,
50         .wthresh = TX_WTHRESH,
51 };
52
53 uint32_t nb_pfc;
54 const char *cfg_profile = NULL;
55 int mp_size = NB_MBUF;
56 struct flow_conf qos_conf[MAX_DATA_STREAMS];
57
58 static struct rte_eth_conf port_conf = {
59         .rxmode = {
60                 .split_hdr_size = 0,
61         },
62         .txmode = {
63                 .mq_mode = RTE_ETH_MQ_TX_NONE,
64         },
65 };
66
67 static int
68 app_init_port(uint16_t portid, struct rte_mempool *mp)
69 {
70         int ret;
71         struct rte_eth_link link;
72         struct rte_eth_dev_info dev_info;
73         struct rte_eth_rxconf rx_conf;
74         struct rte_eth_txconf tx_conf;
75         uint16_t rx_size;
76         uint16_t tx_size;
77         struct rte_eth_conf local_port_conf = port_conf;
78         char link_status_text[RTE_ETH_LINK_MAX_STR_LEN];
79
80         /* check if port already initialized (multistream configuration) */
81         if (app_inited_port_mask & (1u << portid))
82                 return 0;
83
84         rx_conf.rx_thresh.pthresh = rx_thresh.pthresh;
85         rx_conf.rx_thresh.hthresh = rx_thresh.hthresh;
86         rx_conf.rx_thresh.wthresh = rx_thresh.wthresh;
87         rx_conf.rx_free_thresh = 32;
88         rx_conf.rx_drop_en = 0;
89         rx_conf.rx_deferred_start = 0;
90
91         tx_conf.tx_thresh.pthresh = tx_thresh.pthresh;
92         tx_conf.tx_thresh.hthresh = tx_thresh.hthresh;
93         tx_conf.tx_thresh.wthresh = tx_thresh.wthresh;
94         tx_conf.tx_free_thresh = 0;
95         tx_conf.tx_rs_thresh = 0;
96         tx_conf.tx_deferred_start = 0;
97
98         /* init port */
99         RTE_LOG(INFO, APP, "Initializing port %"PRIu16"... ", portid);
100         fflush(stdout);
101
102         ret = rte_eth_dev_info_get(portid, &dev_info);
103         if (ret != 0)
104                 rte_exit(EXIT_FAILURE,
105                         "Error during getting device (port %u) info: %s\n",
106                         portid, strerror(-ret));
107
108         if (dev_info.tx_offload_capa & RTE_ETH_TX_OFFLOAD_MBUF_FAST_FREE)
109                 local_port_conf.txmode.offloads |=
110                         RTE_ETH_TX_OFFLOAD_MBUF_FAST_FREE;
111         ret = rte_eth_dev_configure(portid, 1, 1, &local_port_conf);
112         if (ret < 0)
113                 rte_exit(EXIT_FAILURE,
114                          "Cannot configure device: err=%d, port=%u\n",
115                          ret, portid);
116
117         rx_size = ring_conf.rx_size;
118         tx_size = ring_conf.tx_size;
119         ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &rx_size, &tx_size);
120         if (ret < 0)
121                 rte_exit(EXIT_FAILURE,
122                          "rte_eth_dev_adjust_nb_rx_tx_desc: err=%d,port=%u\n",
123                          ret, portid);
124         ring_conf.rx_size = rx_size;
125         ring_conf.tx_size = tx_size;
126
127         /* init one RX queue */
128         fflush(stdout);
129         rx_conf.offloads = local_port_conf.rxmode.offloads;
130         ret = rte_eth_rx_queue_setup(portid, 0, (uint16_t)ring_conf.rx_size,
131                 rte_eth_dev_socket_id(portid), &rx_conf, mp);
132         if (ret < 0)
133                 rte_exit(EXIT_FAILURE,
134                          "rte_eth_tx_queue_setup: err=%d, port=%u\n",
135                          ret, portid);
136
137         /* init one TX queue */
138         fflush(stdout);
139         tx_conf.offloads = local_port_conf.txmode.offloads;
140         ret = rte_eth_tx_queue_setup(portid, 0,
141                 (uint16_t)ring_conf.tx_size, rte_eth_dev_socket_id(portid), &tx_conf);
142         if (ret < 0)
143                 rte_exit(EXIT_FAILURE,
144                          "rte_eth_tx_queue_setup: err=%d, port=%u queue=%d\n",
145                          ret, portid, 0);
146
147         /* Start device */
148         ret = rte_eth_dev_start(portid);
149         if (ret < 0)
150                 rte_exit(EXIT_FAILURE,
151                          "rte_pmd_port_start: err=%d, port=%u\n",
152                          ret, portid);
153
154         printf("done: ");
155
156         /* get link status */
157         ret = rte_eth_link_get(portid, &link);
158         if (ret < 0)
159                 rte_exit(EXIT_FAILURE,
160                          "rte_eth_link_get: err=%d, port=%u: %s\n",
161                          ret, portid, rte_strerror(-ret));
162
163         rte_eth_link_to_str(link_status_text, sizeof(link_status_text), &link);
164         printf("%s\n", link_status_text);
165
166         ret = rte_eth_promiscuous_enable(portid);
167         if (ret != 0)
168                 rte_exit(EXIT_FAILURE,
169                         "rte_eth_promiscuous_enable: err=%s, port=%u\n",
170                         rte_strerror(-ret), portid);
171
172         /* mark port as initialized */
173         app_inited_port_mask |= 1u << portid;
174
175         return 0;
176 }
177
178 static struct rte_sched_pipe_params pipe_profiles[MAX_SCHED_PIPE_PROFILES] = {
179         { /* Profile #0 */
180                 .tb_rate = 305175,
181                 .tb_size = 1000000,
182
183                 .tc_rate = {305175, 305175, 305175, 305175, 305175, 305175,
184                         305175, 305175, 305175, 305175, 305175, 305175, 305175},
185                 .tc_period = 40,
186 #ifdef RTE_SCHED_SUBPORT_TC_OV
187                 .tc_ov_weight = 1,
188 #endif
189
190                 .wrr_weights = {1, 1, 1, 1},
191         },
192 };
193
194 static struct rte_sched_subport_profile_params
195                 subport_profile[MAX_SCHED_SUBPORT_PROFILES] = {
196         {
197                 .tb_rate = 1250000000,
198                 .tb_size = 1000000,
199                 .tc_rate = {1250000000, 1250000000, 1250000000, 1250000000,
200                         1250000000, 1250000000, 1250000000, 1250000000, 1250000000,
201                         1250000000, 1250000000, 1250000000, 1250000000},
202                 .tc_period = 10,
203         },
204 };
205
206 #ifdef RTE_SCHED_CMAN
207 struct rte_sched_cman_params cman_params = {
208         .cman_mode = RTE_SCHED_CMAN_RED,
209         .red_params = {
210                 /* Traffic Class 0 Colors Green / Yellow / Red */
211                 [0][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
212                 [0][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
213                 [0][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
214
215                 /* Traffic Class 1 - Colors Green / Yellow / Red */
216                 [1][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
217                 [1][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
218                 [1][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
219
220                 /* Traffic Class 2 - Colors Green / Yellow / Red */
221                 [2][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
222                 [2][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
223                 [2][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
224
225                 /* Traffic Class 3 - Colors Green / Yellow / Red */
226                 [3][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
227                 [3][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
228                 [3][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
229
230                 /* Traffic Class 4 - Colors Green / Yellow / Red */
231                 [4][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
232                 [4][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
233                 [4][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
234
235                 /* Traffic Class 5 - Colors Green / Yellow / Red */
236                 [5][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
237                 [5][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
238                 [5][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
239
240                 /* Traffic Class 6 - Colors Green / Yellow / Red */
241                 [6][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
242                 [6][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
243                 [6][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
244
245                 /* Traffic Class 7 - Colors Green / Yellow / Red */
246                 [7][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
247                 [7][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
248                 [7][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
249
250                 /* Traffic Class 8 - Colors Green / Yellow / Red */
251                 [8][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
252                 [8][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
253                 [8][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
254
255                 /* Traffic Class 9 - Colors Green / Yellow / Red */
256                 [9][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
257                 [9][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
258                 [9][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
259
260                 /* Traffic Class 10 - Colors Green / Yellow / Red */
261                 [10][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
262                 [10][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
263                 [10][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
264
265                 /* Traffic Class 11 - Colors Green / Yellow / Red */
266                 [11][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
267                 [11][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
268                 [11][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
269
270                 /* Traffic Class 12 - Colors Green / Yellow / Red */
271                 [12][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
272                 [12][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
273                 [12][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
274         },
275 };
276 #endif /* RTE_SCHED_CMAN */
277
278 struct rte_sched_subport_params subport_params[MAX_SCHED_SUBPORTS] = {
279         {
280                 .n_pipes_per_subport_enabled = 4096,
281                 .qsize = {64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64},
282                 .pipe_profiles = pipe_profiles,
283                 .n_pipe_profiles = sizeof(pipe_profiles) /
284                         sizeof(struct rte_sched_pipe_params),
285                 .n_max_pipe_profiles = MAX_SCHED_PIPE_PROFILES,
286 #ifdef RTE_SCHED_CMAN
287                 .cman_params = &cman_params,
288 #endif /* RTE_SCHED_CMAN */
289         },
290 };
291
292 struct rte_sched_port_params port_params = {
293         .name = "port_scheduler_0",
294         .socket = 0, /* computed */
295         .rate = 0, /* computed */
296         .mtu = 6 + 6 + 4 + 4 + 2 + 1500,
297         .frame_overhead = RTE_SCHED_FRAME_OVERHEAD_DEFAULT,
298         .n_subports_per_port = 1,
299         .n_subport_profiles = 1,
300         .subport_profiles = subport_profile,
301         .n_max_subport_profiles = MAX_SCHED_SUBPORT_PROFILES,
302         .n_pipes_per_subport = MAX_SCHED_PIPES,
303 };
304
305 static struct rte_sched_port *
306 app_init_sched_port(uint32_t portid, uint32_t socketid)
307 {
308         static char port_name[32]; /* static as referenced from global port_params*/
309         struct rte_eth_link link;
310         struct rte_sched_port *port = NULL;
311         uint32_t pipe, subport;
312         int err;
313
314         err = rte_eth_link_get(portid, &link);
315         if (err < 0)
316                 rte_exit(EXIT_FAILURE,
317                          "rte_eth_link_get: err=%d, port=%u: %s\n",
318                          err, portid, rte_strerror(-err));
319
320         port_params.socket = socketid;
321         port_params.rate = (uint64_t) link.link_speed * 1000 * 1000 / 8;
322         snprintf(port_name, sizeof(port_name), "port_%d", portid);
323         port_params.name = port_name;
324
325         port = rte_sched_port_config(&port_params);
326         if (port == NULL){
327                 rte_exit(EXIT_FAILURE, "Unable to config sched port\n");
328         }
329
330         for (subport = 0; subport < port_params.n_subports_per_port; subport ++) {
331                 err = rte_sched_subport_config(port, subport,
332                                 &subport_params[subport],
333                                 0);
334                 if (err) {
335                         rte_exit(EXIT_FAILURE, "Unable to config sched "
336                                  "subport %u, err=%d\n", subport, err);
337                 }
338
339                 uint32_t n_pipes_per_subport =
340                         subport_params[subport].n_pipes_per_subport_enabled;
341
342                 for (pipe = 0; pipe < n_pipes_per_subport; pipe++) {
343                         if (app_pipe_to_profile[subport][pipe] != -1) {
344                                 err = rte_sched_pipe_config(port, subport, pipe,
345                                                 app_pipe_to_profile[subport][pipe]);
346                                 if (err) {
347                                         rte_exit(EXIT_FAILURE, "Unable to config sched pipe %u "
348                                                         "for profile %d, err=%d\n", pipe,
349                                                         app_pipe_to_profile[subport][pipe], err);
350                                 }
351                         }
352                 }
353         }
354
355         return port;
356 }
357
358 static int
359 app_load_cfg_profile(const char *profile)
360 {
361         if (profile == NULL)
362                 return 0;
363         struct rte_cfgfile *file = rte_cfgfile_load(profile, 0);
364         if (file == NULL)
365                 rte_exit(EXIT_FAILURE, "Cannot load configuration profile %s\n", profile);
366
367         cfg_load_port(file, &port_params);
368         cfg_load_subport(file, subport_params);
369         cfg_load_subport_profile(file, subport_profile);
370         cfg_load_pipe(file, pipe_profiles);
371
372         rte_cfgfile_close(file);
373
374         return 0;
375 }
376
377 int app_init(void)
378 {
379         uint32_t i;
380         char ring_name[MAX_NAME_LEN];
381         char pool_name[MAX_NAME_LEN];
382
383         if (rte_eth_dev_count_avail() == 0)
384                 rte_exit(EXIT_FAILURE, "No Ethernet port - bye\n");
385
386         /* load configuration profile */
387         if (app_load_cfg_profile(cfg_profile) != 0)
388                 rte_exit(EXIT_FAILURE, "Invalid configuration profile\n");
389
390         /* Initialize each active flow */
391         for(i = 0; i < nb_pfc; i++) {
392                 uint32_t socket = rte_lcore_to_socket_id(qos_conf[i].rx_core);
393                 struct rte_ring *ring;
394
395                 snprintf(ring_name, MAX_NAME_LEN, "ring-%u-%u", i, qos_conf[i].rx_core);
396                 ring = rte_ring_lookup(ring_name);
397                 if (ring == NULL)
398                         qos_conf[i].rx_ring = rte_ring_create(ring_name, ring_conf.ring_size,
399                                 socket, RING_F_SP_ENQ | RING_F_SC_DEQ);
400                 else
401                         qos_conf[i].rx_ring = ring;
402
403                 snprintf(ring_name, MAX_NAME_LEN, "ring-%u-%u", i, qos_conf[i].tx_core);
404                 ring = rte_ring_lookup(ring_name);
405                 if (ring == NULL)
406                         qos_conf[i].tx_ring = rte_ring_create(ring_name, ring_conf.ring_size,
407                                 socket, RING_F_SP_ENQ | RING_F_SC_DEQ);
408                 else
409                         qos_conf[i].tx_ring = ring;
410
411
412                 /* create the mbuf pools for each RX Port */
413                 snprintf(pool_name, MAX_NAME_LEN, "mbuf_pool%u", i);
414                 qos_conf[i].mbuf_pool = rte_pktmbuf_pool_create(pool_name,
415                         mp_size, burst_conf.rx_burst * 4, 0,
416                         RTE_MBUF_DEFAULT_BUF_SIZE,
417                         rte_eth_dev_socket_id(qos_conf[i].rx_port));
418                 if (qos_conf[i].mbuf_pool == NULL)
419                         rte_exit(EXIT_FAILURE, "Cannot init mbuf pool for socket %u\n", i);
420
421                 app_init_port(qos_conf[i].rx_port, qos_conf[i].mbuf_pool);
422                 app_init_port(qos_conf[i].tx_port, qos_conf[i].mbuf_pool);
423
424                 qos_conf[i].sched_port = app_init_sched_port(qos_conf[i].tx_port, socket);
425         }
426
427         RTE_LOG(INFO, APP, "time stamp clock running at %" PRIu64 " Hz\n",
428                          rte_get_timer_hz());
429
430         RTE_LOG(INFO, APP, "Ring sizes: NIC RX = %u, Mempool = %d SW queue = %u,"
431                          "NIC TX = %u\n", ring_conf.rx_size, mp_size, ring_conf.ring_size,
432                          ring_conf.tx_size);
433
434         RTE_LOG(INFO, APP, "Burst sizes: RX read = %hu, RX write = %hu,\n"
435                                                   "             Worker read/QoS enqueue = %hu,\n"
436                                                   "             QoS dequeue = %hu, Worker write = %hu\n",
437                 burst_conf.rx_burst, burst_conf.ring_burst, burst_conf.ring_burst,
438                 burst_conf.qos_dequeue, burst_conf.tx_burst);
439
440         RTE_LOG(INFO, APP, "NIC thresholds RX (p = %hhu, h = %hhu, w = %hhu),"
441                                  "TX (p = %hhu, h = %hhu, w = %hhu)\n",
442                 rx_thresh.pthresh, rx_thresh.hthresh, rx_thresh.wthresh,
443                 tx_thresh.pthresh, tx_thresh.hthresh, tx_thresh.wthresh);
444
445         return 0;
446 }