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2
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4
5#include <stdio.h>
6#include <stdlib.h>
7#include <string.h>
8#include <ctype.h>
9#include <rte_string_fns.h>
10#include <rte_sched.h>
11
12#include "cfg_file.h"
13#include "main.h"
14
15
16
17
18#define CFG_ALLOC_SECTION_BATCH 8
19
20
21#define CFG_ALLOC_ENTRY_BATCH 16
22
23uint32_t active_queues[RTE_SCHED_QUEUES_PER_PIPE];
24uint32_t n_active_queues;
25
26int
27cfg_load_port(struct rte_cfgfile *cfg, struct rte_sched_port_params *port_params)
28{
29 const char *entry;
30
31 if (!cfg || !port_params)
32 return -1;
33
34 entry = rte_cfgfile_get_entry(cfg, "port", "frame overhead");
35 if (entry)
36 port_params->frame_overhead = (uint32_t)atoi(entry);
37
38 entry = rte_cfgfile_get_entry(cfg, "port", "number of subports per port");
39 if (entry)
40 port_params->n_subports_per_port = (uint32_t)atoi(entry);
41
42 return 0;
43}
44
45int
46cfg_load_pipe(struct rte_cfgfile *cfg, struct rte_sched_pipe_params *pipe_params)
47{
48 int i, j;
49 char *next;
50 const char *entry;
51 int profiles;
52
53 if (!cfg || !pipe_params)
54 return -1;
55
56 profiles = rte_cfgfile_num_sections(cfg, "pipe profile", sizeof("pipe profile") - 1);
57 subport_params[0].n_pipe_profiles = profiles;
58
59 for (j = 0; j < profiles; j++) {
60 char pipe_name[32];
61 snprintf(pipe_name, sizeof(pipe_name), "pipe profile %d", j);
62
63 entry = rte_cfgfile_get_entry(cfg, pipe_name, "tb rate");
64 if (entry)
65 pipe_params[j].tb_rate = (uint64_t)atoi(entry);
66
67 entry = rte_cfgfile_get_entry(cfg, pipe_name, "tb size");
68 if (entry)
69 pipe_params[j].tb_size = (uint64_t)atoi(entry);
70
71 entry = rte_cfgfile_get_entry(cfg, pipe_name, "tc period");
72 if (entry)
73 pipe_params[j].tc_period = (uint64_t)atoi(entry);
74
75 entry = rte_cfgfile_get_entry(cfg, pipe_name, "tc 0 rate");
76 if (entry)
77 pipe_params[j].tc_rate[0] = (uint64_t)atoi(entry);
78
79 entry = rte_cfgfile_get_entry(cfg, pipe_name, "tc 1 rate");
80 if (entry)
81 pipe_params[j].tc_rate[1] = (uint64_t)atoi(entry);
82
83 entry = rte_cfgfile_get_entry(cfg, pipe_name, "tc 2 rate");
84 if (entry)
85 pipe_params[j].tc_rate[2] = (uint64_t)atoi(entry);
86
87 entry = rte_cfgfile_get_entry(cfg, pipe_name, "tc 3 rate");
88 if (entry)
89 pipe_params[j].tc_rate[3] = (uint64_t)atoi(entry);
90
91 entry = rte_cfgfile_get_entry(cfg, pipe_name, "tc 4 rate");
92 if (entry)
93 pipe_params[j].tc_rate[4] = (uint64_t)atoi(entry);
94
95 entry = rte_cfgfile_get_entry(cfg, pipe_name, "tc 5 rate");
96 if (entry)
97 pipe_params[j].tc_rate[5] = (uint64_t)atoi(entry);
98
99 entry = rte_cfgfile_get_entry(cfg, pipe_name, "tc 6 rate");
100 if (entry)
101 pipe_params[j].tc_rate[6] = (uint64_t)atoi(entry);
102
103 entry = rte_cfgfile_get_entry(cfg, pipe_name, "tc 7 rate");
104 if (entry)
105 pipe_params[j].tc_rate[7] = (uint64_t)atoi(entry);
106
107 entry = rte_cfgfile_get_entry(cfg, pipe_name, "tc 8 rate");
108 if (entry)
109 pipe_params[j].tc_rate[8] = (uint64_t)atoi(entry);
110
111 entry = rte_cfgfile_get_entry(cfg, pipe_name, "tc 9 rate");
112 if (entry)
113 pipe_params[j].tc_rate[9] = (uint64_t)atoi(entry);
114
115 entry = rte_cfgfile_get_entry(cfg, pipe_name, "tc 10 rate");
116 if (entry)
117 pipe_params[j].tc_rate[10] = (uint64_t)atoi(entry);
118
119 entry = rte_cfgfile_get_entry(cfg, pipe_name, "tc 11 rate");
120 if (entry)
121 pipe_params[j].tc_rate[11] = (uint64_t)atoi(entry);
122
123 entry = rte_cfgfile_get_entry(cfg, pipe_name, "tc 12 rate");
124 if (entry)
125 pipe_params[j].tc_rate[12] = (uint64_t)atoi(entry);
126
127 entry = rte_cfgfile_get_entry(cfg, pipe_name, "tc 12 oversubscription weight");
128 if (entry)
129 pipe_params[j].tc_ov_weight = (uint8_t)atoi(entry);
130
131 entry = rte_cfgfile_get_entry(cfg, pipe_name, "tc 12 wrr weights");
132 if (entry) {
133 for (i = 0; i < RTE_SCHED_BE_QUEUES_PER_PIPE; i++) {
134 pipe_params[j].wrr_weights[i] =
135 (uint8_t)strtol(entry, &next, 10);
136 if (next == NULL)
137 break;
138 entry = next;
139 }
140 }
141 }
142 return 0;
143}
144
145int
146cfg_load_subport_profile(struct rte_cfgfile *cfg,
147 struct rte_sched_subport_profile_params *subport_profile)
148{
149 int i;
150 const char *entry;
151 int profiles;
152
153 if (!cfg || !subport_profile)
154 return -1;
155
156 profiles = rte_cfgfile_num_sections(cfg, "subport profile",
157 sizeof("subport profile") - 1);
158 subport_params[0].n_pipe_profiles = profiles;
159
160 for (i = 0; i < profiles; i++) {
161 char sec_name[32];
162 snprintf(sec_name, sizeof(sec_name), "subport profile %d", i);
163
164 entry = rte_cfgfile_get_entry(cfg, sec_name, "tb rate");
165 if (entry)
166 subport_profile[i].tb_rate = (uint64_t)atoi(entry);
167
168 entry = rte_cfgfile_get_entry(cfg, sec_name, "tb size");
169 if (entry)
170 subport_profile[i].tb_size = (uint64_t)atoi(entry);
171
172 entry = rte_cfgfile_get_entry(cfg, sec_name, "tc period");
173 if (entry)
174 subport_profile[i].tc_period = (uint64_t)atoi(entry);
175
176 entry = rte_cfgfile_get_entry(cfg, sec_name, "tc 0 rate");
177 if (entry)
178 subport_profile[i].tc_rate[0] = (uint64_t)atoi(entry);
179
180 entry = rte_cfgfile_get_entry(cfg, sec_name, "tc 1 rate");
181 if (entry)
182 subport_profile[i].tc_rate[1] = (uint64_t)atoi(entry);
183
184 entry = rte_cfgfile_get_entry(cfg, sec_name, "tc 2 rate");
185 if (entry)
186 subport_profile[i].tc_rate[2] = (uint64_t)atoi(entry);
187
188 entry = rte_cfgfile_get_entry(cfg, sec_name, "tc 3 rate");
189 if (entry)
190 subport_profile[i].tc_rate[3] = (uint64_t)atoi(entry);
191
192 entry = rte_cfgfile_get_entry(cfg, sec_name, "tc 4 rate");
193 if (entry)
194 subport_profile[i].tc_rate[4] = (uint64_t)atoi(entry);
195
196 entry = rte_cfgfile_get_entry(cfg, sec_name, "tc 5 rate");
197 if (entry)
198 subport_profile[i].tc_rate[5] = (uint64_t)atoi(entry);
199
200 entry = rte_cfgfile_get_entry(cfg, sec_name, "tc 6 rate");
201 if (entry)
202 subport_profile[i].tc_rate[6] = (uint64_t)atoi(entry);
203
204 entry = rte_cfgfile_get_entry(cfg, sec_name, "tc 7 rate");
205 if (entry)
206 subport_profile[i].tc_rate[7] = (uint64_t)atoi(entry);
207
208 entry = rte_cfgfile_get_entry(cfg, sec_name, "tc 8 rate");
209 if (entry)
210 subport_profile[i].tc_rate[8] = (uint64_t)atoi(entry);
211
212 entry = rte_cfgfile_get_entry(cfg, sec_name, "tc 9 rate");
213 if (entry)
214 subport_profile[i].tc_rate[9] = (uint64_t)atoi(entry);
215
216 entry = rte_cfgfile_get_entry(cfg, sec_name, "tc 10 rate");
217 if (entry)
218 subport_profile[i].tc_rate[10] = (uint64_t)atoi(entry);
219
220 entry = rte_cfgfile_get_entry(cfg, sec_name, "tc 11 rate");
221 if (entry)
222 subport_profile[i].tc_rate[11] = (uint64_t)atoi(entry);
223
224 entry = rte_cfgfile_get_entry(cfg, sec_name, "tc 12 rate");
225 if (entry)
226 subport_profile[i].tc_rate[12] = (uint64_t)atoi(entry);
227 }
228
229 return 0;
230}
231
232int
233cfg_load_subport(struct rte_cfgfile *cfg, struct rte_sched_subport_params *subport_params)
234{
235 const char *entry;
236 int i, j, k;
237
238 if (!cfg || !subport_params)
239 return -1;
240
241 memset(app_pipe_to_profile, -1, sizeof(app_pipe_to_profile));
242 memset(active_queues, 0, sizeof(active_queues));
243 n_active_queues = 0;
244
245#ifdef RTE_SCHED_RED
246 char sec_name[CFG_NAME_LEN];
247 struct rte_red_params red_params[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE][RTE_COLORS];
248
249 snprintf(sec_name, sizeof(sec_name), "red");
250
251 if (rte_cfgfile_has_section(cfg, sec_name)) {
252
253 for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++) {
254 char str[32];
255
256
257 snprintf(str, sizeof(str), "tc %d wred min", i);
258 entry = rte_cfgfile_get_entry(cfg, sec_name, str);
259 if (entry) {
260 char *next;
261
262 for (j = 0; j < RTE_COLORS; j++) {
263 red_params[i][j].min_th
264 = (uint16_t)strtol(entry, &next, 10);
265 if (next == NULL)
266 break;
267 entry = next;
268 }
269 }
270
271
272 snprintf(str, sizeof(str), "tc %d wred max", i);
273 entry = rte_cfgfile_get_entry(cfg, "red", str);
274 if (entry) {
275 char *next;
276
277 for (j = 0; j < RTE_COLORS; j++) {
278 red_params[i][j].max_th
279 = (uint16_t)strtol(entry, &next, 10);
280 if (next == NULL)
281 break;
282 entry = next;
283 }
284 }
285
286
287 snprintf(str, sizeof(str), "tc %d wred inv prob", i);
288 entry = rte_cfgfile_get_entry(cfg, "red", str);
289 if (entry) {
290 char *next;
291
292 for (j = 0; j < RTE_COLORS; j++) {
293 red_params[i][j].maxp_inv
294 = (uint8_t)strtol(entry, &next, 10);
295
296 if (next == NULL)
297 break;
298 entry = next;
299 }
300 }
301
302
303 snprintf(str, sizeof(str), "tc %d wred weight", i);
304 entry = rte_cfgfile_get_entry(cfg, "red", str);
305 if (entry) {
306 char *next;
307
308 for (j = 0; j < RTE_COLORS; j++) {
309 red_params[i][j].wq_log2
310 = (uint8_t)strtol(entry, &next, 10);
311 if (next == NULL)
312 break;
313 entry = next;
314 }
315 }
316 }
317 }
318#endif
319
320 for (i = 0; i < MAX_SCHED_SUBPORTS; i++) {
321 char sec_name[CFG_NAME_LEN];
322 snprintf(sec_name, sizeof(sec_name), "subport %d", i);
323
324 if (rte_cfgfile_has_section(cfg, sec_name)) {
325 entry = rte_cfgfile_get_entry(cfg, sec_name,
326 "number of pipes per subport");
327 if (entry)
328 subport_params[i].n_pipes_per_subport_enabled =
329 (uint32_t)atoi(entry);
330
331 entry = rte_cfgfile_get_entry(cfg, sec_name, "queue sizes");
332 if (entry) {
333 char *next;
334
335 for (j = 0; j < RTE_SCHED_TRAFFIC_CLASS_BE; j++) {
336 subport_params[i].qsize[j] =
337 (uint16_t)strtol(entry, &next, 10);
338 if (subport_params[i].qsize[j] != 0) {
339 active_queues[n_active_queues] = j;
340 n_active_queues++;
341 }
342 if (next == NULL)
343 break;
344 entry = next;
345 }
346
347 subport_params[i].qsize[RTE_SCHED_TRAFFIC_CLASS_BE] =
348 (uint16_t)strtol(entry, &next, 10);
349
350 for (j = 0; j < RTE_SCHED_BE_QUEUES_PER_PIPE; j++) {
351 active_queues[n_active_queues] =
352 RTE_SCHED_TRAFFIC_CLASS_BE + j;
353 n_active_queues++;
354 }
355 }
356
357 int n_entries = rte_cfgfile_section_num_entries(cfg, sec_name);
358 struct rte_cfgfile_entry entries[n_entries];
359
360 rte_cfgfile_section_entries(cfg, sec_name, entries, n_entries);
361
362 for (j = 0; j < n_entries; j++) {
363 if (strncmp("pipe", entries[j].name, sizeof("pipe") - 1) == 0) {
364 int profile;
365 char *tokens[2] = {NULL, NULL};
366 int n_tokens;
367 int begin, end;
368
369 profile = atoi(entries[j].value);
370 n_tokens = rte_strsplit(&entries[j].name[sizeof("pipe")],
371 strnlen(entries[j].name, CFG_NAME_LEN), tokens, 2, '-');
372
373 begin = atoi(tokens[0]);
374 if (n_tokens == 2)
375 end = atoi(tokens[1]);
376 else
377 end = begin;
378
379 if (end >= MAX_SCHED_PIPES || begin > end)
380 return -1;
381
382 for (k = begin; k <= end; k++) {
383 char profile_name[CFG_NAME_LEN];
384
385 snprintf(profile_name, sizeof(profile_name),
386 "pipe profile %d", profile);
387 if (rte_cfgfile_has_section(cfg, profile_name))
388 app_pipe_to_profile[i][k] = profile;
389 else
390 rte_exit(EXIT_FAILURE, "Wrong pipe profile %s\n",
391 entries[j].value);
392
393 }
394 }
395 }
396#ifdef RTE_SCHED_RED
397 for (j = 0; j < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; j++) {
398 for (k = 0; k < RTE_COLORS; k++) {
399 subport_params[i].red_params[j][k].min_th =
400 red_params[j][k].min_th;
401 subport_params[i].red_params[j][k].max_th =
402 red_params[j][k].max_th;
403 subport_params[i].red_params[j][k].maxp_inv =
404 red_params[j][k].maxp_inv;
405 subport_params[i].red_params[j][k].wq_log2 =
406 red_params[j][k].wq_log2;
407 }
408 }
409#endif
410 }
411 }
412
413 return 0;
414}
415