xref: /dpdk/examples/ip_pipeline/tmgr.c (revision daa02b5cddbb8e11b31d41e2bf7bb1ae64dcae2f)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2010-2018 Intel Corporation
3  */
4 
5 #include <stdlib.h>
6 
7 #include <rte_common.h>
8 #include <rte_string_fns.h>
9 
10 #include "tmgr.h"
11 
12 static struct rte_sched_subport_profile_params
13 	subport_profile[TMGR_SUBPORT_PROFILE_MAX];
14 
15 static uint32_t n_subport_profiles;
16 
17 static struct rte_sched_pipe_params
18 	pipe_profile[TMGR_PIPE_PROFILE_MAX];
19 
20 static uint32_t n_pipe_profiles;
21 
22 static const struct rte_sched_subport_params subport_params_default = {
23 	.n_pipes_per_subport_enabled = 0, /* filled at runtime */
24 	.qsize = {64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64},
25 	.pipe_profiles = pipe_profile,
26 	.n_pipe_profiles = 0, /* filled at run time */
27 	.n_max_pipe_profiles = RTE_DIM(pipe_profile),
28 #ifdef RTE_SCHED_RED
29 .red_params = {
30 	/* Traffic Class 0 Colors Green / Yellow / Red */
31 	[0][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
32 	[0][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
33 	[0][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
34 
35 	/* Traffic Class 1 - Colors Green / Yellow / Red */
36 	[1][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
37 	[1][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
38 	[1][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
39 
40 	/* Traffic Class 2 - Colors Green / Yellow / Red */
41 	[2][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
42 	[2][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
43 	[2][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
44 
45 	/* Traffic Class 3 - Colors Green / Yellow / Red */
46 	[3][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
47 	[3][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
48 	[3][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
49 
50 	/* Traffic Class 4 - Colors Green / Yellow / Red */
51 	[4][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
52 	[4][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
53 	[4][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
54 
55 	/* Traffic Class 5 - Colors Green / Yellow / Red */
56 	[5][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
57 	[5][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
58 	[5][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
59 
60 	/* Traffic Class 6 - Colors Green / Yellow / Red */
61 	[6][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
62 	[6][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
63 	[6][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
64 
65 	/* Traffic Class 7 - Colors Green / Yellow / Red */
66 	[7][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
67 	[7][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
68 	[7][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
69 
70 	/* Traffic Class 8 - Colors Green / Yellow / Red */
71 	[8][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
72 	[8][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
73 	[8][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
74 
75 	/* Traffic Class 9 - Colors Green / Yellow / Red */
76 	[9][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
77 	[9][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
78 	[9][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
79 
80 	/* Traffic Class 10 - Colors Green / Yellow / Red */
81 	[10][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
82 	[10][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
83 	[10][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
84 
85 	/* Traffic Class 11 - Colors Green / Yellow / Red */
86 	[11][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
87 	[11][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
88 	[11][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
89 
90 	/* Traffic Class 12 - Colors Green / Yellow / Red */
91 	[12][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
92 	[12][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
93 	[12][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
94 	},
95 #endif /* RTE_SCHED_RED */
96 };
97 
98 static struct tmgr_port_list tmgr_port_list;
99 
100 int
101 tmgr_init(void)
102 {
103 	TAILQ_INIT(&tmgr_port_list);
104 
105 	return 0;
106 }
107 
108 struct tmgr_port *
109 tmgr_port_find(const char *name)
110 {
111 	struct tmgr_port *tmgr_port;
112 
113 	if (name == NULL)
114 		return NULL;
115 
116 	TAILQ_FOREACH(tmgr_port, &tmgr_port_list, node)
117 		if (strcmp(tmgr_port->name, name) == 0)
118 			return tmgr_port;
119 
120 	return NULL;
121 }
122 
123 int
124 tmgr_subport_profile_add(struct rte_sched_subport_profile_params *params)
125 {
126 	/* Check input params */
127 	if (params == NULL)
128 		return -1;
129 
130 	/* Save profile */
131 	memcpy(&subport_profile[n_subport_profiles],
132 		params,
133 		sizeof(*params));
134 
135 	n_subport_profiles++;
136 
137 	return 0;
138 }
139 
140 int
141 tmgr_pipe_profile_add(struct rte_sched_pipe_params *p)
142 {
143 	/* Check input params */
144 	if (p == NULL)
145 		return -1;
146 
147 	/* Save profile */
148 	memcpy(&pipe_profile[n_pipe_profiles],
149 		p,
150 		sizeof(*p));
151 
152 	n_pipe_profiles++;
153 
154 	return 0;
155 }
156 
157 struct tmgr_port *
158 tmgr_port_create(const char *name, struct tmgr_port_params *params)
159 {
160 	struct rte_sched_subport_params subport_params;
161 	struct rte_sched_port_params p;
162 	struct tmgr_port *tmgr_port;
163 	struct rte_sched_port *s;
164 	uint32_t i, j;
165 
166 	/* Check input params */
167 	if ((name == NULL) ||
168 		tmgr_port_find(name) ||
169 		(params == NULL) ||
170 		(params->n_subports_per_port == 0) ||
171 		(params->n_pipes_per_subport == 0) ||
172 		(params->cpu_id >= RTE_MAX_NUMA_NODES) ||
173 		(n_subport_profiles == 0) ||
174 		(n_pipe_profiles == 0))
175 		return NULL;
176 
177 	/* Resource create */
178 	p.name = name;
179 	p.socket = (int) params->cpu_id;
180 	p.rate = params->rate;
181 	p.mtu = params->mtu;
182 	p.frame_overhead = params->frame_overhead;
183 	p.n_subports_per_port = params->n_subports_per_port;
184 	p.n_subport_profiles = n_subport_profiles;
185 	p.subport_profiles = subport_profile;
186 	p.n_max_subport_profiles = TMGR_SUBPORT_PROFILE_MAX;
187 	p.n_pipes_per_subport = params->n_pipes_per_subport;
188 
189 
190 	s = rte_sched_port_config(&p);
191 	if (s == NULL)
192 		return NULL;
193 
194 	memcpy(&subport_params, &subport_params_default,
195 		sizeof(subport_params_default));
196 
197 	subport_params.n_pipe_profiles = n_pipe_profiles;
198 	subport_params.n_pipes_per_subport_enabled =
199 						params->n_pipes_per_subport;
200 
201 	for (i = 0; i < params->n_subports_per_port; i++) {
202 		int status;
203 
204 		status = rte_sched_subport_config(
205 			s,
206 			i,
207 			&subport_params,
208 			0);
209 
210 		if (status) {
211 			rte_sched_port_free(s);
212 			return NULL;
213 		}
214 
215 		for (j = 0; j < params->n_pipes_per_subport; j++) {
216 
217 			status = rte_sched_pipe_config(
218 				s,
219 				i,
220 				j,
221 				0);
222 
223 			if (status) {
224 				rte_sched_port_free(s);
225 				return NULL;
226 			}
227 		}
228 	}
229 
230 	/* Node allocation */
231 	tmgr_port = calloc(1, sizeof(struct tmgr_port));
232 	if (tmgr_port == NULL) {
233 		rte_sched_port_free(s);
234 		return NULL;
235 	}
236 
237 	/* Node fill in */
238 	strlcpy(tmgr_port->name, name, sizeof(tmgr_port->name));
239 	tmgr_port->s = s;
240 	tmgr_port->n_subports_per_port = params->n_subports_per_port;
241 	tmgr_port->n_pipes_per_subport = params->n_pipes_per_subport;
242 
243 	/* Node add to list */
244 	TAILQ_INSERT_TAIL(&tmgr_port_list, tmgr_port, node);
245 
246 	return tmgr_port;
247 }
248 
249 int
250 tmgr_subport_config(const char *port_name,
251 	uint32_t subport_id,
252 	uint32_t subport_profile_id)
253 {
254 	struct tmgr_port *port;
255 	int status;
256 
257 	/* Check input params */
258 	if (port_name == NULL)
259 		return -1;
260 
261 	port = tmgr_port_find(port_name);
262 	if ((port == NULL) ||
263 		(subport_id >= port->n_subports_per_port) ||
264 		(subport_profile_id >= n_subport_profiles))
265 		return -1;
266 
267 	/* Resource config */
268 	status = rte_sched_subport_config(
269 		port->s,
270 		subport_id,
271 		NULL,
272 		subport_profile_id);
273 
274 	return status;
275 }
276 
277 int
278 tmgr_pipe_config(const char *port_name,
279 	uint32_t subport_id,
280 	uint32_t pipe_id_first,
281 	uint32_t pipe_id_last,
282 	uint32_t pipe_profile_id)
283 {
284 	struct tmgr_port *port;
285 	uint32_t i;
286 
287 	/* Check input params */
288 	if (port_name == NULL)
289 		return -1;
290 
291 	port = tmgr_port_find(port_name);
292 	if ((port == NULL) ||
293 		(subport_id >= port->n_subports_per_port) ||
294 		(pipe_id_first >= port->n_pipes_per_subport) ||
295 		(pipe_id_last >= port->n_pipes_per_subport) ||
296 		(pipe_id_first > pipe_id_last) ||
297 		(pipe_profile_id >= n_pipe_profiles))
298 		return -1;
299 
300 	/* Resource config */
301 	for (i = pipe_id_first; i <= pipe_id_last; i++) {
302 		int status;
303 
304 		status = rte_sched_pipe_config(
305 			port->s,
306 			subport_id,
307 			i,
308 			(int) pipe_profile_id);
309 
310 		if (status)
311 			return status;
312 	}
313 
314 	return 0;
315 }
316