summaryrefslogtreecommitdiffstats
path: root/examples/qos_sched/init.c
blob: 038f0427dc00897599ea772a70f19faa49efcef0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
/*-
 *   BSD LICENSE
 *
 *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
 *   All rights reserved.
 *
 *   Redistribution and use in source and binary forms, with or without
 *   modification, are permitted provided that the following conditions
 *   are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in
 *       the documentation and/or other materials provided with the
 *       distribution.
 *     * Neither the name of Intel Corporation nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <stdint.h>
#include <memory.h>

#include <rte_log.h>
#include <rte_mbuf.h>
#include <rte_debug.h>
#include <rte_ethdev.h>
#include <rte_mempool.h>
#include <rte_sched.h>
#include <rte_cycles.h>
#include <rte_string_fns.h>
#include <rte_cfgfile.h>

#include "main.h"
#include "cfg_file.h"

uint32_t app_numa_mask = 0;
static uint32_t app_inited_port_mask = 0;

int app_pipe_to_profile[MAX_SCHED_SUBPORTS][MAX_SCHED_PIPES];

#define MAX_NAME_LEN 32

struct ring_conf ring_conf = {
	.rx_size   = APP_RX_DESC_DEFAULT,
	.ring_size = APP_RING_SIZE,
	.tx_size   = APP_TX_DESC_DEFAULT,
};

struct burst_conf burst_conf = {
	.rx_burst    = MAX_PKT_RX_BURST,
	.ring_burst  = PKT_ENQUEUE,
	.qos_dequeue = PKT_DEQUEUE,
	.tx_burst    = MAX_PKT_TX_BURST,
};

struct ring_thresh rx_thresh = {
	.pthresh = RX_PTHRESH,
	.hthresh = RX_HTHRESH,
	.wthresh = RX_WTHRESH,
};

struct ring_thresh tx_thresh = {
	.pthresh = TX_PTHRESH,
	.hthresh = TX_HTHRESH,
	.wthresh = TX_WTHRESH,
};

uint32_t nb_pfc;
const char *cfg_profile = NULL;
int mp_size = NB_MBUF;
struct flow_conf qos_conf[MAX_DATA_STREAMS];

static const struct rte_eth_conf port_conf = {
	.rxmode = {
		.max_rx_pkt_len = ETHER_MAX_LEN,
		.split_hdr_size = 0,
		.header_split   = 0, /**< Header Split disabled */
		.hw_ip_checksum = 0, /**< IP checksum offload disabled */
		.hw_vlan_filter = 0, /**< VLAN filtering disabled */
		.jumbo_frame    = 0, /**< Jumbo Frame Support disabled */
		.hw_strip_crc   = 1, /**< CRC stripped by hardware */
	},
	.txmode = {
		.mq_mode = ETH_DCB_NONE,
	},
};

static int
app_init_port(uint16_t portid, struct rte_mempool *mp)
{
	int ret;
	struct rte_eth_link link;
	struct rte_eth_rxconf rx_conf;
	struct rte_eth_txconf tx_conf;
	uint16_t rx_size;
	uint16_t tx_size;

	/* check if port already initialized (multistream configuration) */
	if (app_inited_port_mask & (1u << portid))
		return 0;

	rx_conf.rx_thresh.pthresh = rx_thresh.pthresh;
	rx_conf.rx_thresh.hthresh = rx_thresh.hthresh;
	rx_conf.rx_thresh.wthresh = rx_thresh.wthresh;
	rx_conf.rx_free_thresh = 32;
	rx_conf.rx_drop_en = 0;
	rx_conf.rx_deferred_start = 0;

	tx_conf.tx_thresh.pthresh = tx_thresh.pthresh;
	tx_conf.tx_thresh.hthresh = tx_thresh.hthresh;
	tx_conf.tx_thresh.wthresh = tx_thresh.wthresh;
	tx_conf.tx_free_thresh = 0;
	tx_conf.tx_rs_thresh = 0;
	tx_conf.txq_flags = ETH_TXQ_FLAGS_NOMULTSEGS | ETH_TXQ_FLAGS_NOOFFLOADS;
	tx_conf.tx_deferred_start = 0;

	/* init port */
	RTE_LOG(INFO, APP, "Initializing port %"PRIu16"... ", portid);
	fflush(stdout);
	ret = rte_eth_dev_configure(portid, 1, 1, &port_conf);
	if (ret < 0)
		rte_exit(EXIT_FAILURE,
			 "Cannot configure device: err=%d, port=%u\n",
			 ret, portid);

	rx_size = ring_conf.rx_size;
	tx_size = ring_conf.tx_size;
	ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &rx_size, &tx_size);
	if (ret < 0)
		rte_exit(EXIT_FAILURE,
			 "rte_eth_dev_adjust_nb_rx_tx_desc: err=%d,port=%u\n",
			 ret, portid);
	ring_conf.rx_size = rx_size;
	ring_conf.tx_size = tx_size;

	/* init one RX queue */
	fflush(stdout);
	ret = rte_eth_rx_queue_setup(portid, 0, (uint16_t)ring_conf.rx_size,
		rte_eth_dev_socket_id(portid), &rx_conf, mp);
	if (ret < 0)
		rte_exit(EXIT_FAILURE,
			 "rte_eth_tx_queue_setup: err=%d, port=%u\n",
			 ret, portid);

	/* init one TX queue */
	fflush(stdout);
	ret = rte_eth_tx_queue_setup(portid, 0,
		(uint16_t)ring_conf.tx_size, rte_eth_dev_socket_id(portid), &tx_conf);
	if (ret < 0)
		rte_exit(EXIT_FAILURE,
			 "rte_eth_tx_queue_setup: err=%d, port=%u queue=%d\n",
			 ret, portid, 0);

	/* Start device */
	ret = rte_eth_dev_start(portid);
	if (ret < 0)
		rte_exit(EXIT_FAILURE,
			 "rte_pmd_port_start: err=%d, port=%u\n",
			 ret, portid);

	printf("done: ");

	/* get link status */
	rte_eth_link_get(portid, &link);
	if (link.link_status) {
		printf(" Link Up - speed %u Mbps - %s\n",
			(uint32_t) link.link_speed,
			(link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
			("full-duplex") : ("half-duplex\n"));
	} else {
		printf(" Link Down\n");
	}
	rte_eth_promiscuous_enable(portid);

	/* mark port as initialized */
	app_inited_port_mask |= 1u << portid;

	return 0;
}

static struct rte_sched_subport_params subport_params[MAX_SCHED_SUBPORTS] = {
	{
		.tb_rate = 1250000000,
		.tb_size = 1000000,

		.tc_rate = {1250000000, 1250000000, 1250000000, 1250000000},
		.tc_period = 10,
	},
};

static struct rte_sched_pipe_params pipe_profiles[RTE_SCHED_PIPE_PROFILES_PER_PORT] = {
	{ /* Profile #0 */
		.tb_rate = 305175,
		.tb_size = 1000000,

		.tc_rate = {305175, 305175, 305175, 305175},
		.tc_period = 40,
#ifdef RTE_SCHED_SUBPORT_TC_OV
		.tc_ov_weight = 1,
#endif

		.wrr_weights = {1, 1, 1, 1,  1, 1, 1, 1,  1, 1, 1, 1,  1, 1, 1, 1},
	},
};

struct rte_sched_port_params port_params = {
	.name = "port_scheduler_0",
	.socket = 0, /* computed */
	.rate = 0, /* computed */
	.mtu = 6 + 6 + 4 + 4 + 2 + 1500,
	.frame_overhead = RTE_SCHED_FRAME_OVERHEAD_DEFAULT,
	.n_subports_per_port = 1,
	.n_pipes_per_subport = 4096,
	.qsize = {64, 64, 64, 64},
	.pipe_profiles = pipe_profiles,
	.n_pipe_profiles = sizeof(pipe_profiles) / sizeof(struct rte_sched_pipe_params),

#ifdef RTE_SCHED_RED
	.red_params = {
		/* Traffic Class 0 Colors Green / Yellow / Red */
		[0][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
		[0][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
		[0][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},

		/* Traffic Class 1 - Colors Green / Yellow / Red */
		[1][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
		[1][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
		[1][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},

		/* Traffic Class 2 - Colors Green / Yellow / Red */
		[2][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
		[2][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
		[2][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},

		/* Traffic Class 3 - Colors Green / Yellow / Red */
		[3][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
		[3][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
		[3][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9}
	}
#endif /* RTE_SCHED_RED */
};

static struct rte_sched_port *
app_init_sched_port(uint32_t portid, uint32_t socketid)
{
	static char port_name[32]; /* static as referenced from global port_params*/
	struct rte_eth_link link;
	struct rte_sched_port *port = NULL;
	uint32_t pipe, subport;
	int err;

	rte_eth_link_get(portid, &link);

	port_params.socket = socketid;
	port_params.rate = (uint64_t) link.link_speed * 1000 * 1000 / 8;
	snprintf(port_name, sizeof(port_name), "port_%d", portid);
	port_params.name = port_name;

	port = rte_sched_port_config(&port_params);
	if (port == NULL){
		rte_exit(EXIT_FAILURE, "Unable to config sched port\n");
	}

	for (subport = 0; subport < port_params.n_subports_per_port; subport ++) {
		err = rte_sched_subport_config(port, subport, &subport_params[subport]);
		if (err) {
			rte_exit(EXIT_FAILURE, "Unable to config sched subport %u, err=%d\n",
					subport, err);
		}

		for (pipe = 0; pipe < port_params.n_pipes_per_subport; pipe ++) {
			if (app_pipe_to_profile[subport][pipe] != -1) {
				err = rte_sched_pipe_config(port, subport, pipe,
						app_pipe_to_profile[subport][pipe]);
				if (err) {
					rte_exit(EXIT_FAILURE, "Unable to config sched pipe %u "
							"for profile %d, err=%d\n", pipe,
							app_pipe_to_profile[subport][pipe], err);
				}
			}
		}
	}

	return port;
}

static int
app_load_cfg_profile(const char *profile)
{
	if (profile == NULL)
		return 0;
	struct rte_cfgfile *file = rte_cfgfile_load(profile, 0);
	if (file == NULL)
		rte_exit(EXIT_FAILURE, "Cannot load configuration profile %s\n", profile);

	cfg_load_port(file, &port_params);
	cfg_load_subport(file, subport_params);
	cfg_load_pipe(file, pipe_profiles);

	rte_cfgfile_close(file);

	return 0;
}

int app_init(void)
{
	uint32_t i;
	char ring_name[MAX_NAME_LEN];
	char pool_name[MAX_NAME_LEN];

	if (rte_eth_dev_count() == 0)
		rte_exit(EXIT_FAILURE, "No Ethernet port - bye\n");

	/* load configuration profile */
	if (app_load_cfg_profile(cfg_profile) != 0)
		rte_exit(EXIT_FAILURE, "Invalid configuration profile\n");

	/* Initialize each active flow */
	for(i = 0; i < nb_pfc; i++) {
		uint32_t socket = rte_lcore_to_socket_id(qos_conf[i].rx_core);
		struct rte_ring *ring;

		snprintf(ring_name, MAX_NAME_LEN, "ring-%u-%u", i, qos_conf[i].rx_core);
		ring = rte_ring_lookup(ring_name);
		if (ring == NULL)
			qos_conf[i].rx_ring = rte_ring_create(ring_name, ring_conf.ring_size,
			 	socket, RING_F_SP_ENQ | RING_F_SC_DEQ);
		else
			qos_conf[i].rx_ring = ring;

		snprintf(ring_name, MAX_NAME_LEN, "ring-%u-%u", i, qos_conf[i].tx_core);
		ring = rte_ring_lookup(ring_name);
		if (ring == NULL)
			qos_conf[i].tx_ring = rte_ring_create(ring_name, ring_conf.ring_size,
				socket, RING_F_SP_ENQ | RING_F_SC_DEQ);
		else
			qos_conf[i].tx_ring = ring;


		/* create the mbuf pools for each RX Port */
		snprintf(pool_name, MAX_NAME_LEN, "mbuf_pool%u", i);
		qos_conf[i].mbuf_pool = rte_pktmbuf_pool_create(pool_name,
			mp_size, burst_conf.rx_burst * 4, 0,
			RTE_MBUF_DEFAULT_BUF_SIZE,
			rte_eth_dev_socket_id(qos_conf[i].rx_port));
		if (qos_conf[i].mbuf_pool == NULL)
			rte_exit(EXIT_FAILURE, "Cannot init mbuf pool for socket %u\n", i);

		app_init_port(qos_conf[i].rx_port, qos_conf[i].mbuf_pool);
		app_init_port(qos_conf[i].tx_port, qos_conf[i].mbuf_pool);

		qos_conf[i].sched_port = app_init_sched_port(qos_conf[i].tx_port, socket);
	}

	RTE_LOG(INFO, APP, "time stamp clock running at %" PRIu64 " Hz\n",
			 rte_get_timer_hz());

	RTE_LOG(INFO, APP, "Ring sizes: NIC RX = %u, Mempool = %d SW queue = %u,"
			 "NIC TX = %u\n", ring_conf.rx_size, mp_size, ring_conf.ring_size,
			 ring_conf.tx_size);

	RTE_LOG(INFO, APP, "Burst sizes: RX read = %hu, RX write = %hu,\n"
						  "             Worker read/QoS enqueue = %hu,\n"
						  "             QoS dequeue = %hu, Worker write = %hu\n",
		burst_conf.rx_burst, burst_conf.ring_burst, burst_conf.ring_burst,
		burst_conf.qos_dequeue, burst_conf.tx_burst);

	RTE_LOG(INFO, APP, "NIC thresholds RX (p = %hhu, h = %hhu, w = %hhu),"
				 "TX (p = %hhu, h = %hhu, w = %hhu)\n",
		rx_thresh.pthresh, rx_thresh.hthresh, rx_thresh.wthresh,
		tx_thresh.pthresh, tx_thresh.hthresh, tx_thresh.wthresh);

	return 0;
}