xref: /dpdk/examples/eventdev_pipeline/main.c (revision 6d239dd5295a8249a296ae9f0a5bc9802fea073e)
1*6d239dd5SPavan Nikhilesh /* SPDX-License-Identifier: BSD-3-Clause
2*6d239dd5SPavan Nikhilesh  * Copyright(c) 2016-2017 Intel Corporation
3*6d239dd5SPavan Nikhilesh  */
4*6d239dd5SPavan Nikhilesh 
5*6d239dd5SPavan Nikhilesh #include <getopt.h>
6*6d239dd5SPavan Nikhilesh #include <stdint.h>
7*6d239dd5SPavan Nikhilesh #include <stdio.h>
8*6d239dd5SPavan Nikhilesh #include <signal.h>
9*6d239dd5SPavan Nikhilesh #include <sched.h>
10*6d239dd5SPavan Nikhilesh 
11*6d239dd5SPavan Nikhilesh #include "pipeline_common.h"
12*6d239dd5SPavan Nikhilesh 
13*6d239dd5SPavan Nikhilesh struct config_data cdata = {
14*6d239dd5SPavan Nikhilesh 	.num_packets = (1L << 25), /* do ~32M packets */
15*6d239dd5SPavan Nikhilesh 	.num_fids = 512,
16*6d239dd5SPavan Nikhilesh 	.queue_type = RTE_SCHED_TYPE_ATOMIC,
17*6d239dd5SPavan Nikhilesh 	.next_qid = {-1},
18*6d239dd5SPavan Nikhilesh 	.qid = {-1},
19*6d239dd5SPavan Nikhilesh 	.num_stages = 1,
20*6d239dd5SPavan Nikhilesh 	.worker_cq_depth = 16
21*6d239dd5SPavan Nikhilesh };
22*6d239dd5SPavan Nikhilesh 
23*6d239dd5SPavan Nikhilesh static bool
24*6d239dd5SPavan Nikhilesh core_in_use(unsigned int lcore_id) {
25*6d239dd5SPavan Nikhilesh 	return (fdata->rx_core[lcore_id] || fdata->sched_core[lcore_id] ||
26*6d239dd5SPavan Nikhilesh 		fdata->tx_core[lcore_id] || fdata->worker_core[lcore_id]);
27*6d239dd5SPavan Nikhilesh }
28*6d239dd5SPavan Nikhilesh 
29*6d239dd5SPavan Nikhilesh static void
30*6d239dd5SPavan Nikhilesh eth_tx_buffer_retry(struct rte_mbuf **pkts, uint16_t unsent,
31*6d239dd5SPavan Nikhilesh 			void *userdata)
32*6d239dd5SPavan Nikhilesh {
33*6d239dd5SPavan Nikhilesh 	int port_id = (uintptr_t) userdata;
34*6d239dd5SPavan Nikhilesh 	unsigned int _sent = 0;
35*6d239dd5SPavan Nikhilesh 
36*6d239dd5SPavan Nikhilesh 	do {
37*6d239dd5SPavan Nikhilesh 		/* Note: hard-coded TX queue */
38*6d239dd5SPavan Nikhilesh 		_sent += rte_eth_tx_burst(port_id, 0, &pkts[_sent],
39*6d239dd5SPavan Nikhilesh 					  unsent - _sent);
40*6d239dd5SPavan Nikhilesh 	} while (_sent != unsent);
41*6d239dd5SPavan Nikhilesh }
42*6d239dd5SPavan Nikhilesh 
43*6d239dd5SPavan Nikhilesh /*
44*6d239dd5SPavan Nikhilesh  * Parse the coremask given as argument (hexadecimal string) and fill
45*6d239dd5SPavan Nikhilesh  * the global configuration (core role and core count) with the parsed
46*6d239dd5SPavan Nikhilesh  * value.
47*6d239dd5SPavan Nikhilesh  */
48*6d239dd5SPavan Nikhilesh static int xdigit2val(unsigned char c)
49*6d239dd5SPavan Nikhilesh {
50*6d239dd5SPavan Nikhilesh 	int val;
51*6d239dd5SPavan Nikhilesh 
52*6d239dd5SPavan Nikhilesh 	if (isdigit(c))
53*6d239dd5SPavan Nikhilesh 		val = c - '0';
54*6d239dd5SPavan Nikhilesh 	else if (isupper(c))
55*6d239dd5SPavan Nikhilesh 		val = c - 'A' + 10;
56*6d239dd5SPavan Nikhilesh 	else
57*6d239dd5SPavan Nikhilesh 		val = c - 'a' + 10;
58*6d239dd5SPavan Nikhilesh 	return val;
59*6d239dd5SPavan Nikhilesh }
60*6d239dd5SPavan Nikhilesh 
61*6d239dd5SPavan Nikhilesh static uint64_t
62*6d239dd5SPavan Nikhilesh parse_coremask(const char *coremask)
63*6d239dd5SPavan Nikhilesh {
64*6d239dd5SPavan Nikhilesh 	int i, j, idx = 0;
65*6d239dd5SPavan Nikhilesh 	unsigned int count = 0;
66*6d239dd5SPavan Nikhilesh 	char c;
67*6d239dd5SPavan Nikhilesh 	int val;
68*6d239dd5SPavan Nikhilesh 	uint64_t mask = 0;
69*6d239dd5SPavan Nikhilesh 	const int32_t BITS_HEX = 4;
70*6d239dd5SPavan Nikhilesh 
71*6d239dd5SPavan Nikhilesh 	if (coremask == NULL)
72*6d239dd5SPavan Nikhilesh 		return -1;
73*6d239dd5SPavan Nikhilesh 	/* Remove all blank characters ahead and after .
74*6d239dd5SPavan Nikhilesh 	 * Remove 0x/0X if exists.
75*6d239dd5SPavan Nikhilesh 	 */
76*6d239dd5SPavan Nikhilesh 	while (isblank(*coremask))
77*6d239dd5SPavan Nikhilesh 		coremask++;
78*6d239dd5SPavan Nikhilesh 	if (coremask[0] == '0' && ((coremask[1] == 'x')
79*6d239dd5SPavan Nikhilesh 		|| (coremask[1] == 'X')))
80*6d239dd5SPavan Nikhilesh 		coremask += 2;
81*6d239dd5SPavan Nikhilesh 	i = strlen(coremask);
82*6d239dd5SPavan Nikhilesh 	while ((i > 0) && isblank(coremask[i - 1]))
83*6d239dd5SPavan Nikhilesh 		i--;
84*6d239dd5SPavan Nikhilesh 	if (i == 0)
85*6d239dd5SPavan Nikhilesh 		return -1;
86*6d239dd5SPavan Nikhilesh 
87*6d239dd5SPavan Nikhilesh 	for (i = i - 1; i >= 0 && idx < MAX_NUM_CORE; i--) {
88*6d239dd5SPavan Nikhilesh 		c = coremask[i];
89*6d239dd5SPavan Nikhilesh 		if (isxdigit(c) == 0) {
90*6d239dd5SPavan Nikhilesh 			/* invalid characters */
91*6d239dd5SPavan Nikhilesh 			return -1;
92*6d239dd5SPavan Nikhilesh 		}
93*6d239dd5SPavan Nikhilesh 		val = xdigit2val(c);
94*6d239dd5SPavan Nikhilesh 		for (j = 0; j < BITS_HEX && idx < MAX_NUM_CORE; j++, idx++) {
95*6d239dd5SPavan Nikhilesh 			if ((1 << j) & val) {
96*6d239dd5SPavan Nikhilesh 				mask |= (1UL << idx);
97*6d239dd5SPavan Nikhilesh 				count++;
98*6d239dd5SPavan Nikhilesh 			}
99*6d239dd5SPavan Nikhilesh 		}
100*6d239dd5SPavan Nikhilesh 	}
101*6d239dd5SPavan Nikhilesh 	for (; i >= 0; i--)
102*6d239dd5SPavan Nikhilesh 		if (coremask[i] != '0')
103*6d239dd5SPavan Nikhilesh 			return -1;
104*6d239dd5SPavan Nikhilesh 	if (count == 0)
105*6d239dd5SPavan Nikhilesh 		return -1;
106*6d239dd5SPavan Nikhilesh 	return mask;
107*6d239dd5SPavan Nikhilesh }
108*6d239dd5SPavan Nikhilesh 
109*6d239dd5SPavan Nikhilesh static struct option long_options[] = {
110*6d239dd5SPavan Nikhilesh 	{"workers", required_argument, 0, 'w'},
111*6d239dd5SPavan Nikhilesh 	{"packets", required_argument, 0, 'n'},
112*6d239dd5SPavan Nikhilesh 	{"atomic-flows", required_argument, 0, 'f'},
113*6d239dd5SPavan Nikhilesh 	{"num_stages", required_argument, 0, 's'},
114*6d239dd5SPavan Nikhilesh 	{"rx-mask", required_argument, 0, 'r'},
115*6d239dd5SPavan Nikhilesh 	{"tx-mask", required_argument, 0, 't'},
116*6d239dd5SPavan Nikhilesh 	{"sched-mask", required_argument, 0, 'e'},
117*6d239dd5SPavan Nikhilesh 	{"cq-depth", required_argument, 0, 'c'},
118*6d239dd5SPavan Nikhilesh 	{"work-cycles", required_argument, 0, 'W'},
119*6d239dd5SPavan Nikhilesh 	{"mempool-size", required_argument, 0, 'm'},
120*6d239dd5SPavan Nikhilesh 	{"queue-priority", no_argument, 0, 'P'},
121*6d239dd5SPavan Nikhilesh 	{"parallel", no_argument, 0, 'p'},
122*6d239dd5SPavan Nikhilesh 	{"ordered", no_argument, 0, 'o'},
123*6d239dd5SPavan Nikhilesh 	{"quiet", no_argument, 0, 'q'},
124*6d239dd5SPavan Nikhilesh 	{"use-atq", no_argument, 0, 'a'},
125*6d239dd5SPavan Nikhilesh 	{"dump", no_argument, 0, 'D'},
126*6d239dd5SPavan Nikhilesh 	{0, 0, 0, 0}
127*6d239dd5SPavan Nikhilesh };
128*6d239dd5SPavan Nikhilesh 
129*6d239dd5SPavan Nikhilesh static void
130*6d239dd5SPavan Nikhilesh usage(void)
131*6d239dd5SPavan Nikhilesh {
132*6d239dd5SPavan Nikhilesh 	const char *usage_str =
133*6d239dd5SPavan Nikhilesh 		"  Usage: eventdev_demo [options]\n"
134*6d239dd5SPavan Nikhilesh 		"  Options:\n"
135*6d239dd5SPavan Nikhilesh 		"  -n, --packets=N              Send N packets (default ~32M), 0 implies no limit\n"
136*6d239dd5SPavan Nikhilesh 		"  -f, --atomic-flows=N         Use N random flows from 1 to N (default 16)\n"
137*6d239dd5SPavan Nikhilesh 		"  -s, --num_stages=N           Use N atomic stages (default 1)\n"
138*6d239dd5SPavan Nikhilesh 		"  -r, --rx-mask=core mask      Run NIC rx on CPUs in core mask\n"
139*6d239dd5SPavan Nikhilesh 		"  -w, --worker-mask=core mask  Run worker on CPUs in core mask\n"
140*6d239dd5SPavan Nikhilesh 		"  -t, --tx-mask=core mask      Run NIC tx on CPUs in core mask\n"
141*6d239dd5SPavan Nikhilesh 		"  -e  --sched-mask=core mask   Run scheduler on CPUs in core mask\n"
142*6d239dd5SPavan Nikhilesh 		"  -c  --cq-depth=N             Worker CQ depth (default 16)\n"
143*6d239dd5SPavan Nikhilesh 		"  -W  --work-cycles=N          Worker cycles (default 0)\n"
144*6d239dd5SPavan Nikhilesh 		"  -P  --queue-priority         Enable scheduler queue prioritization\n"
145*6d239dd5SPavan Nikhilesh 		"  -o, --ordered                Use ordered scheduling\n"
146*6d239dd5SPavan Nikhilesh 		"  -p, --parallel               Use parallel scheduling\n"
147*6d239dd5SPavan Nikhilesh 		"  -q, --quiet                  Minimize printed output\n"
148*6d239dd5SPavan Nikhilesh 		"  -a, --use-atq                Use all type queues\n"
149*6d239dd5SPavan Nikhilesh 		"  -m, --mempool-size=N         Dictate the mempool size\n"
150*6d239dd5SPavan Nikhilesh 		"  -D, --dump                   Print detailed statistics before exit"
151*6d239dd5SPavan Nikhilesh 		"\n";
152*6d239dd5SPavan Nikhilesh 	fprintf(stderr, "%s", usage_str);
153*6d239dd5SPavan Nikhilesh 	exit(1);
154*6d239dd5SPavan Nikhilesh }
155*6d239dd5SPavan Nikhilesh 
156*6d239dd5SPavan Nikhilesh static void
157*6d239dd5SPavan Nikhilesh parse_app_args(int argc, char **argv)
158*6d239dd5SPavan Nikhilesh {
159*6d239dd5SPavan Nikhilesh 	/* Parse cli options*/
160*6d239dd5SPavan Nikhilesh 	int option_index;
161*6d239dd5SPavan Nikhilesh 	int c;
162*6d239dd5SPavan Nikhilesh 	opterr = 0;
163*6d239dd5SPavan Nikhilesh 	uint64_t rx_lcore_mask = 0;
164*6d239dd5SPavan Nikhilesh 	uint64_t tx_lcore_mask = 0;
165*6d239dd5SPavan Nikhilesh 	uint64_t sched_lcore_mask = 0;
166*6d239dd5SPavan Nikhilesh 	uint64_t worker_lcore_mask = 0;
167*6d239dd5SPavan Nikhilesh 	int i;
168*6d239dd5SPavan Nikhilesh 
169*6d239dd5SPavan Nikhilesh 	for (;;) {
170*6d239dd5SPavan Nikhilesh 		c = getopt_long(argc, argv, "r:t:e:c:w:n:f:s:m:paoPqDW:",
171*6d239dd5SPavan Nikhilesh 				long_options, &option_index);
172*6d239dd5SPavan Nikhilesh 		if (c == -1)
173*6d239dd5SPavan Nikhilesh 			break;
174*6d239dd5SPavan Nikhilesh 
175*6d239dd5SPavan Nikhilesh 		int popcnt = 0;
176*6d239dd5SPavan Nikhilesh 		switch (c) {
177*6d239dd5SPavan Nikhilesh 		case 'n':
178*6d239dd5SPavan Nikhilesh 			cdata.num_packets = (int64_t)atol(optarg);
179*6d239dd5SPavan Nikhilesh 			if (cdata.num_packets == 0)
180*6d239dd5SPavan Nikhilesh 				cdata.num_packets = INT64_MAX;
181*6d239dd5SPavan Nikhilesh 			break;
182*6d239dd5SPavan Nikhilesh 		case 'f':
183*6d239dd5SPavan Nikhilesh 			cdata.num_fids = (unsigned int)atoi(optarg);
184*6d239dd5SPavan Nikhilesh 			break;
185*6d239dd5SPavan Nikhilesh 		case 's':
186*6d239dd5SPavan Nikhilesh 			cdata.num_stages = (unsigned int)atoi(optarg);
187*6d239dd5SPavan Nikhilesh 			break;
188*6d239dd5SPavan Nikhilesh 		case 'c':
189*6d239dd5SPavan Nikhilesh 			cdata.worker_cq_depth = (unsigned int)atoi(optarg);
190*6d239dd5SPavan Nikhilesh 			break;
191*6d239dd5SPavan Nikhilesh 		case 'W':
192*6d239dd5SPavan Nikhilesh 			cdata.worker_cycles = (unsigned int)atoi(optarg);
193*6d239dd5SPavan Nikhilesh 			break;
194*6d239dd5SPavan Nikhilesh 		case 'P':
195*6d239dd5SPavan Nikhilesh 			cdata.enable_queue_priorities = 1;
196*6d239dd5SPavan Nikhilesh 			break;
197*6d239dd5SPavan Nikhilesh 		case 'o':
198*6d239dd5SPavan Nikhilesh 			cdata.queue_type = RTE_SCHED_TYPE_ORDERED;
199*6d239dd5SPavan Nikhilesh 			break;
200*6d239dd5SPavan Nikhilesh 		case 'p':
201*6d239dd5SPavan Nikhilesh 			cdata.queue_type = RTE_SCHED_TYPE_PARALLEL;
202*6d239dd5SPavan Nikhilesh 			break;
203*6d239dd5SPavan Nikhilesh 		case 'a':
204*6d239dd5SPavan Nikhilesh 			cdata.all_type_queues = 1;
205*6d239dd5SPavan Nikhilesh 			break;
206*6d239dd5SPavan Nikhilesh 		case 'q':
207*6d239dd5SPavan Nikhilesh 			cdata.quiet = 1;
208*6d239dd5SPavan Nikhilesh 			break;
209*6d239dd5SPavan Nikhilesh 		case 'D':
210*6d239dd5SPavan Nikhilesh 			cdata.dump_dev = 1;
211*6d239dd5SPavan Nikhilesh 			break;
212*6d239dd5SPavan Nikhilesh 		case 'w':
213*6d239dd5SPavan Nikhilesh 			worker_lcore_mask = parse_coremask(optarg);
214*6d239dd5SPavan Nikhilesh 			break;
215*6d239dd5SPavan Nikhilesh 		case 'r':
216*6d239dd5SPavan Nikhilesh 			rx_lcore_mask = parse_coremask(optarg);
217*6d239dd5SPavan Nikhilesh 			popcnt = __builtin_popcountll(rx_lcore_mask);
218*6d239dd5SPavan Nikhilesh 			fdata->rx_single = (popcnt == 1);
219*6d239dd5SPavan Nikhilesh 			break;
220*6d239dd5SPavan Nikhilesh 		case 't':
221*6d239dd5SPavan Nikhilesh 			tx_lcore_mask = parse_coremask(optarg);
222*6d239dd5SPavan Nikhilesh 			popcnt = __builtin_popcountll(tx_lcore_mask);
223*6d239dd5SPavan Nikhilesh 			fdata->tx_single = (popcnt == 1);
224*6d239dd5SPavan Nikhilesh 			break;
225*6d239dd5SPavan Nikhilesh 		case 'e':
226*6d239dd5SPavan Nikhilesh 			sched_lcore_mask = parse_coremask(optarg);
227*6d239dd5SPavan Nikhilesh 			popcnt = __builtin_popcountll(sched_lcore_mask);
228*6d239dd5SPavan Nikhilesh 			fdata->sched_single = (popcnt == 1);
229*6d239dd5SPavan Nikhilesh 			break;
230*6d239dd5SPavan Nikhilesh 		case 'm':
231*6d239dd5SPavan Nikhilesh 			cdata.num_mbuf = (uint64_t)atol(optarg);
232*6d239dd5SPavan Nikhilesh 			break;
233*6d239dd5SPavan Nikhilesh 		default:
234*6d239dd5SPavan Nikhilesh 			usage();
235*6d239dd5SPavan Nikhilesh 		}
236*6d239dd5SPavan Nikhilesh 	}
237*6d239dd5SPavan Nikhilesh 
238*6d239dd5SPavan Nikhilesh 	cdata.worker_lcore_mask = worker_lcore_mask;
239*6d239dd5SPavan Nikhilesh 	cdata.sched_lcore_mask = sched_lcore_mask;
240*6d239dd5SPavan Nikhilesh 	cdata.rx_lcore_mask = rx_lcore_mask;
241*6d239dd5SPavan Nikhilesh 	cdata.tx_lcore_mask = tx_lcore_mask;
242*6d239dd5SPavan Nikhilesh 
243*6d239dd5SPavan Nikhilesh 	if (cdata.num_stages == 0 || cdata.num_stages > MAX_NUM_STAGES)
244*6d239dd5SPavan Nikhilesh 		usage();
245*6d239dd5SPavan Nikhilesh 
246*6d239dd5SPavan Nikhilesh 	for (i = 0; i < MAX_NUM_CORE; i++) {
247*6d239dd5SPavan Nikhilesh 		fdata->rx_core[i] = !!(rx_lcore_mask & (1UL << i));
248*6d239dd5SPavan Nikhilesh 		fdata->tx_core[i] = !!(tx_lcore_mask & (1UL << i));
249*6d239dd5SPavan Nikhilesh 		fdata->sched_core[i] = !!(sched_lcore_mask & (1UL << i));
250*6d239dd5SPavan Nikhilesh 		fdata->worker_core[i] = !!(worker_lcore_mask & (1UL << i));
251*6d239dd5SPavan Nikhilesh 
252*6d239dd5SPavan Nikhilesh 		if (fdata->worker_core[i])
253*6d239dd5SPavan Nikhilesh 			cdata.num_workers++;
254*6d239dd5SPavan Nikhilesh 		if (core_in_use(i))
255*6d239dd5SPavan Nikhilesh 			cdata.active_cores++;
256*6d239dd5SPavan Nikhilesh 	}
257*6d239dd5SPavan Nikhilesh }
258*6d239dd5SPavan Nikhilesh 
259*6d239dd5SPavan Nikhilesh /*
260*6d239dd5SPavan Nikhilesh  * Initializes a given port using global settings and with the RX buffers
261*6d239dd5SPavan Nikhilesh  * coming from the mbuf_pool passed as a parameter.
262*6d239dd5SPavan Nikhilesh  */
263*6d239dd5SPavan Nikhilesh static inline int
264*6d239dd5SPavan Nikhilesh port_init(uint8_t port, struct rte_mempool *mbuf_pool)
265*6d239dd5SPavan Nikhilesh {
266*6d239dd5SPavan Nikhilesh 	static const struct rte_eth_conf port_conf_default = {
267*6d239dd5SPavan Nikhilesh 		.rxmode = {
268*6d239dd5SPavan Nikhilesh 			.mq_mode = ETH_MQ_RX_RSS,
269*6d239dd5SPavan Nikhilesh 			.max_rx_pkt_len = ETHER_MAX_LEN,
270*6d239dd5SPavan Nikhilesh 			.ignore_offload_bitfield = 1,
271*6d239dd5SPavan Nikhilesh 		},
272*6d239dd5SPavan Nikhilesh 		.rx_adv_conf = {
273*6d239dd5SPavan Nikhilesh 			.rss_conf = {
274*6d239dd5SPavan Nikhilesh 				.rss_hf = ETH_RSS_IP |
275*6d239dd5SPavan Nikhilesh 					  ETH_RSS_TCP |
276*6d239dd5SPavan Nikhilesh 					  ETH_RSS_UDP,
277*6d239dd5SPavan Nikhilesh 			}
278*6d239dd5SPavan Nikhilesh 		}
279*6d239dd5SPavan Nikhilesh 	};
280*6d239dd5SPavan Nikhilesh 	const uint16_t rx_rings = 1, tx_rings = 1;
281*6d239dd5SPavan Nikhilesh 	const uint16_t rx_ring_size = 512, tx_ring_size = 512;
282*6d239dd5SPavan Nikhilesh 	struct rte_eth_conf port_conf = port_conf_default;
283*6d239dd5SPavan Nikhilesh 	int retval;
284*6d239dd5SPavan Nikhilesh 	uint16_t q;
285*6d239dd5SPavan Nikhilesh 	struct rte_eth_dev_info dev_info;
286*6d239dd5SPavan Nikhilesh 	struct rte_eth_txconf txconf;
287*6d239dd5SPavan Nikhilesh 
288*6d239dd5SPavan Nikhilesh 	if (port >= rte_eth_dev_count())
289*6d239dd5SPavan Nikhilesh 		return -1;
290*6d239dd5SPavan Nikhilesh 
291*6d239dd5SPavan Nikhilesh 	rte_eth_dev_info_get(port, &dev_info);
292*6d239dd5SPavan Nikhilesh 	if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
293*6d239dd5SPavan Nikhilesh 		port_conf.txmode.offloads |=
294*6d239dd5SPavan Nikhilesh 			DEV_TX_OFFLOAD_MBUF_FAST_FREE;
295*6d239dd5SPavan Nikhilesh 
296*6d239dd5SPavan Nikhilesh 	/* Configure the Ethernet device. */
297*6d239dd5SPavan Nikhilesh 	retval = rte_eth_dev_configure(port, rx_rings, tx_rings, &port_conf);
298*6d239dd5SPavan Nikhilesh 	if (retval != 0)
299*6d239dd5SPavan Nikhilesh 		return retval;
300*6d239dd5SPavan Nikhilesh 
301*6d239dd5SPavan Nikhilesh 	/* Allocate and set up 1 RX queue per Ethernet port. */
302*6d239dd5SPavan Nikhilesh 	for (q = 0; q < rx_rings; q++) {
303*6d239dd5SPavan Nikhilesh 		retval = rte_eth_rx_queue_setup(port, q, rx_ring_size,
304*6d239dd5SPavan Nikhilesh 				rte_eth_dev_socket_id(port), NULL, mbuf_pool);
305*6d239dd5SPavan Nikhilesh 		if (retval < 0)
306*6d239dd5SPavan Nikhilesh 			return retval;
307*6d239dd5SPavan Nikhilesh 	}
308*6d239dd5SPavan Nikhilesh 
309*6d239dd5SPavan Nikhilesh 	txconf = dev_info.default_txconf;
310*6d239dd5SPavan Nikhilesh 	txconf.txq_flags = ETH_TXQ_FLAGS_IGNORE;
311*6d239dd5SPavan Nikhilesh 	txconf.offloads = port_conf_default.txmode.offloads;
312*6d239dd5SPavan Nikhilesh 	/* Allocate and set up 1 TX queue per Ethernet port. */
313*6d239dd5SPavan Nikhilesh 	for (q = 0; q < tx_rings; q++) {
314*6d239dd5SPavan Nikhilesh 		retval = rte_eth_tx_queue_setup(port, q, tx_ring_size,
315*6d239dd5SPavan Nikhilesh 				rte_eth_dev_socket_id(port), &txconf);
316*6d239dd5SPavan Nikhilesh 		if (retval < 0)
317*6d239dd5SPavan Nikhilesh 			return retval;
318*6d239dd5SPavan Nikhilesh 	}
319*6d239dd5SPavan Nikhilesh 
320*6d239dd5SPavan Nikhilesh 	/* Start the Ethernet port. */
321*6d239dd5SPavan Nikhilesh 	retval = rte_eth_dev_start(port);
322*6d239dd5SPavan Nikhilesh 	if (retval < 0)
323*6d239dd5SPavan Nikhilesh 		return retval;
324*6d239dd5SPavan Nikhilesh 
325*6d239dd5SPavan Nikhilesh 	/* Display the port MAC address. */
326*6d239dd5SPavan Nikhilesh 	struct ether_addr addr;
327*6d239dd5SPavan Nikhilesh 	rte_eth_macaddr_get(port, &addr);
328*6d239dd5SPavan Nikhilesh 	printf("Port %u MAC: %02" PRIx8 " %02" PRIx8 " %02" PRIx8
329*6d239dd5SPavan Nikhilesh 			   " %02" PRIx8 " %02" PRIx8 " %02" PRIx8 "\n",
330*6d239dd5SPavan Nikhilesh 			(unsigned int)port,
331*6d239dd5SPavan Nikhilesh 			addr.addr_bytes[0], addr.addr_bytes[1],
332*6d239dd5SPavan Nikhilesh 			addr.addr_bytes[2], addr.addr_bytes[3],
333*6d239dd5SPavan Nikhilesh 			addr.addr_bytes[4], addr.addr_bytes[5]);
334*6d239dd5SPavan Nikhilesh 
335*6d239dd5SPavan Nikhilesh 	/* Enable RX in promiscuous mode for the Ethernet device. */
336*6d239dd5SPavan Nikhilesh 	rte_eth_promiscuous_enable(port);
337*6d239dd5SPavan Nikhilesh 
338*6d239dd5SPavan Nikhilesh 	return 0;
339*6d239dd5SPavan Nikhilesh }
340*6d239dd5SPavan Nikhilesh 
341*6d239dd5SPavan Nikhilesh static int
342*6d239dd5SPavan Nikhilesh init_ports(unsigned int num_ports)
343*6d239dd5SPavan Nikhilesh {
344*6d239dd5SPavan Nikhilesh 	uint8_t portid;
345*6d239dd5SPavan Nikhilesh 	unsigned int i;
346*6d239dd5SPavan Nikhilesh 
347*6d239dd5SPavan Nikhilesh 	if (!cdata.num_mbuf)
348*6d239dd5SPavan Nikhilesh 		cdata.num_mbuf = 16384 * num_ports;
349*6d239dd5SPavan Nikhilesh 
350*6d239dd5SPavan Nikhilesh 	struct rte_mempool *mp = rte_pktmbuf_pool_create("packet_pool",
351*6d239dd5SPavan Nikhilesh 			/* mbufs */ cdata.num_mbuf,
352*6d239dd5SPavan Nikhilesh 			/* cache_size */ 512,
353*6d239dd5SPavan Nikhilesh 			/* priv_size*/ 0,
354*6d239dd5SPavan Nikhilesh 			/* data_room_size */ RTE_MBUF_DEFAULT_BUF_SIZE,
355*6d239dd5SPavan Nikhilesh 			rte_socket_id());
356*6d239dd5SPavan Nikhilesh 
357*6d239dd5SPavan Nikhilesh 	for (portid = 0; portid < num_ports; portid++)
358*6d239dd5SPavan Nikhilesh 		if (port_init(portid, mp) != 0)
359*6d239dd5SPavan Nikhilesh 			rte_exit(EXIT_FAILURE, "Cannot init port %"PRIu8 "\n",
360*6d239dd5SPavan Nikhilesh 					portid);
361*6d239dd5SPavan Nikhilesh 
362*6d239dd5SPavan Nikhilesh 	for (i = 0; i < num_ports; i++) {
363*6d239dd5SPavan Nikhilesh 		void *userdata = (void *)(uintptr_t) i;
364*6d239dd5SPavan Nikhilesh 		fdata->tx_buf[i] =
365*6d239dd5SPavan Nikhilesh 			rte_malloc(NULL, RTE_ETH_TX_BUFFER_SIZE(32), 0);
366*6d239dd5SPavan Nikhilesh 		if (fdata->tx_buf[i] == NULL)
367*6d239dd5SPavan Nikhilesh 			rte_panic("Out of memory\n");
368*6d239dd5SPavan Nikhilesh 		rte_eth_tx_buffer_init(fdata->tx_buf[i], 32);
369*6d239dd5SPavan Nikhilesh 		rte_eth_tx_buffer_set_err_callback(fdata->tx_buf[i],
370*6d239dd5SPavan Nikhilesh 						   eth_tx_buffer_retry,
371*6d239dd5SPavan Nikhilesh 						   userdata);
372*6d239dd5SPavan Nikhilesh 	}
373*6d239dd5SPavan Nikhilesh 
374*6d239dd5SPavan Nikhilesh 	return 0;
375*6d239dd5SPavan Nikhilesh }
376*6d239dd5SPavan Nikhilesh 
377*6d239dd5SPavan Nikhilesh static void
378*6d239dd5SPavan Nikhilesh do_capability_setup(uint16_t nb_ethdev, uint8_t eventdev_id)
379*6d239dd5SPavan Nikhilesh {
380*6d239dd5SPavan Nikhilesh 	int i;
381*6d239dd5SPavan Nikhilesh 	uint8_t mt_unsafe = 0;
382*6d239dd5SPavan Nikhilesh 	uint8_t burst = 0;
383*6d239dd5SPavan Nikhilesh 
384*6d239dd5SPavan Nikhilesh 	for (i = 0; i < nb_ethdev; i++) {
385*6d239dd5SPavan Nikhilesh 		struct rte_eth_dev_info dev_info;
386*6d239dd5SPavan Nikhilesh 		memset(&dev_info, 0, sizeof(struct rte_eth_dev_info));
387*6d239dd5SPavan Nikhilesh 
388*6d239dd5SPavan Nikhilesh 		rte_eth_dev_info_get(i, &dev_info);
389*6d239dd5SPavan Nikhilesh 		/* Check if it is safe ask worker to tx. */
390*6d239dd5SPavan Nikhilesh 		mt_unsafe |= !(dev_info.tx_offload_capa &
391*6d239dd5SPavan Nikhilesh 				DEV_TX_OFFLOAD_MT_LOCKFREE);
392*6d239dd5SPavan Nikhilesh 	}
393*6d239dd5SPavan Nikhilesh 
394*6d239dd5SPavan Nikhilesh 	struct rte_event_dev_info eventdev_info;
395*6d239dd5SPavan Nikhilesh 	memset(&eventdev_info, 0, sizeof(struct rte_event_dev_info));
396*6d239dd5SPavan Nikhilesh 
397*6d239dd5SPavan Nikhilesh 	rte_event_dev_info_get(eventdev_id, &eventdev_info);
398*6d239dd5SPavan Nikhilesh 	burst = eventdev_info.event_dev_cap & RTE_EVENT_DEV_CAP_BURST_MODE ? 1 :
399*6d239dd5SPavan Nikhilesh 		0;
400*6d239dd5SPavan Nikhilesh 
401*6d239dd5SPavan Nikhilesh 	if (mt_unsafe)
402*6d239dd5SPavan Nikhilesh 		set_worker_generic_setup_data(&fdata->cap, burst);
403*6d239dd5SPavan Nikhilesh 	else
404*6d239dd5SPavan Nikhilesh 		set_worker_tx_setup_data(&fdata->cap, burst);
405*6d239dd5SPavan Nikhilesh }
406*6d239dd5SPavan Nikhilesh 
407*6d239dd5SPavan Nikhilesh static void
408*6d239dd5SPavan Nikhilesh signal_handler(int signum)
409*6d239dd5SPavan Nikhilesh {
410*6d239dd5SPavan Nikhilesh 	if (fdata->done)
411*6d239dd5SPavan Nikhilesh 		rte_exit(1, "Exiting on signal %d\n", signum);
412*6d239dd5SPavan Nikhilesh 	if (signum == SIGINT || signum == SIGTERM) {
413*6d239dd5SPavan Nikhilesh 		printf("\n\nSignal %d received, preparing to exit...\n",
414*6d239dd5SPavan Nikhilesh 				signum);
415*6d239dd5SPavan Nikhilesh 		fdata->done = 1;
416*6d239dd5SPavan Nikhilesh 	}
417*6d239dd5SPavan Nikhilesh 	if (signum == SIGTSTP)
418*6d239dd5SPavan Nikhilesh 		rte_event_dev_dump(0, stdout);
419*6d239dd5SPavan Nikhilesh }
420*6d239dd5SPavan Nikhilesh 
421*6d239dd5SPavan Nikhilesh static inline uint64_t
422*6d239dd5SPavan Nikhilesh port_stat(int dev_id, int32_t p)
423*6d239dd5SPavan Nikhilesh {
424*6d239dd5SPavan Nikhilesh 	char statname[64];
425*6d239dd5SPavan Nikhilesh 	snprintf(statname, sizeof(statname), "port_%u_rx", p);
426*6d239dd5SPavan Nikhilesh 	return rte_event_dev_xstats_by_name_get(dev_id, statname, NULL);
427*6d239dd5SPavan Nikhilesh }
428*6d239dd5SPavan Nikhilesh 
429*6d239dd5SPavan Nikhilesh int
430*6d239dd5SPavan Nikhilesh main(int argc, char **argv)
431*6d239dd5SPavan Nikhilesh {
432*6d239dd5SPavan Nikhilesh 	struct worker_data *worker_data;
433*6d239dd5SPavan Nikhilesh 	unsigned int num_ports;
434*6d239dd5SPavan Nikhilesh 	int lcore_id;
435*6d239dd5SPavan Nikhilesh 	int err;
436*6d239dd5SPavan Nikhilesh 
437*6d239dd5SPavan Nikhilesh 	signal(SIGINT, signal_handler);
438*6d239dd5SPavan Nikhilesh 	signal(SIGTERM, signal_handler);
439*6d239dd5SPavan Nikhilesh 	signal(SIGTSTP, signal_handler);
440*6d239dd5SPavan Nikhilesh 
441*6d239dd5SPavan Nikhilesh 	err = rte_eal_init(argc, argv);
442*6d239dd5SPavan Nikhilesh 	if (err < 0)
443*6d239dd5SPavan Nikhilesh 		rte_panic("Invalid EAL arguments\n");
444*6d239dd5SPavan Nikhilesh 
445*6d239dd5SPavan Nikhilesh 	argc -= err;
446*6d239dd5SPavan Nikhilesh 	argv += err;
447*6d239dd5SPavan Nikhilesh 
448*6d239dd5SPavan Nikhilesh 	fdata = rte_malloc(NULL, sizeof(struct fastpath_data), 0);
449*6d239dd5SPavan Nikhilesh 	if (fdata == NULL)
450*6d239dd5SPavan Nikhilesh 		rte_panic("Out of memory\n");
451*6d239dd5SPavan Nikhilesh 
452*6d239dd5SPavan Nikhilesh 	/* Parse cli options*/
453*6d239dd5SPavan Nikhilesh 	parse_app_args(argc, argv);
454*6d239dd5SPavan Nikhilesh 
455*6d239dd5SPavan Nikhilesh 	num_ports = rte_eth_dev_count();
456*6d239dd5SPavan Nikhilesh 	if (num_ports == 0)
457*6d239dd5SPavan Nikhilesh 		rte_panic("No ethernet ports found\n");
458*6d239dd5SPavan Nikhilesh 
459*6d239dd5SPavan Nikhilesh 	const unsigned int cores_needed = cdata.active_cores;
460*6d239dd5SPavan Nikhilesh 
461*6d239dd5SPavan Nikhilesh 	if (!cdata.quiet) {
462*6d239dd5SPavan Nikhilesh 		printf("  Config:\n");
463*6d239dd5SPavan Nikhilesh 		printf("\tports: %u\n", num_ports);
464*6d239dd5SPavan Nikhilesh 		printf("\tworkers: %u\n", cdata.num_workers);
465*6d239dd5SPavan Nikhilesh 		printf("\tpackets: %"PRIi64"\n", cdata.num_packets);
466*6d239dd5SPavan Nikhilesh 		printf("\tQueue-prio: %u\n", cdata.enable_queue_priorities);
467*6d239dd5SPavan Nikhilesh 		if (cdata.queue_type == RTE_SCHED_TYPE_ORDERED)
468*6d239dd5SPavan Nikhilesh 			printf("\tqid0 type: ordered\n");
469*6d239dd5SPavan Nikhilesh 		if (cdata.queue_type == RTE_SCHED_TYPE_ATOMIC)
470*6d239dd5SPavan Nikhilesh 			printf("\tqid0 type: atomic\n");
471*6d239dd5SPavan Nikhilesh 		printf("\tCores available: %u\n", rte_lcore_count());
472*6d239dd5SPavan Nikhilesh 		printf("\tCores used: %u\n", cores_needed);
473*6d239dd5SPavan Nikhilesh 	}
474*6d239dd5SPavan Nikhilesh 
475*6d239dd5SPavan Nikhilesh 	if (rte_lcore_count() < cores_needed)
476*6d239dd5SPavan Nikhilesh 		rte_panic("Too few cores (%d < %d)\n", rte_lcore_count(),
477*6d239dd5SPavan Nikhilesh 				cores_needed);
478*6d239dd5SPavan Nikhilesh 
479*6d239dd5SPavan Nikhilesh 	const unsigned int ndevs = rte_event_dev_count();
480*6d239dd5SPavan Nikhilesh 	if (ndevs == 0)
481*6d239dd5SPavan Nikhilesh 		rte_panic("No dev_id devs found. Pasl in a --vdev eventdev.\n");
482*6d239dd5SPavan Nikhilesh 	if (ndevs > 1)
483*6d239dd5SPavan Nikhilesh 		fprintf(stderr, "Warning: More than one eventdev, using idx 0");
484*6d239dd5SPavan Nikhilesh 
485*6d239dd5SPavan Nikhilesh 
486*6d239dd5SPavan Nikhilesh 	do_capability_setup(num_ports, 0);
487*6d239dd5SPavan Nikhilesh 	fdata->cap.check_opt();
488*6d239dd5SPavan Nikhilesh 
489*6d239dd5SPavan Nikhilesh 	worker_data = rte_calloc(0, cdata.num_workers,
490*6d239dd5SPavan Nikhilesh 			sizeof(worker_data[0]), 0);
491*6d239dd5SPavan Nikhilesh 	if (worker_data == NULL)
492*6d239dd5SPavan Nikhilesh 		rte_panic("rte_calloc failed\n");
493*6d239dd5SPavan Nikhilesh 
494*6d239dd5SPavan Nikhilesh 	int dev_id = fdata->cap.evdev_setup(&cons_data, worker_data);
495*6d239dd5SPavan Nikhilesh 	if (dev_id < 0)
496*6d239dd5SPavan Nikhilesh 		rte_exit(EXIT_FAILURE, "Error setting up eventdev\n");
497*6d239dd5SPavan Nikhilesh 
498*6d239dd5SPavan Nikhilesh 	init_ports(num_ports);
499*6d239dd5SPavan Nikhilesh 	fdata->cap.adptr_setup(num_ports);
500*6d239dd5SPavan Nikhilesh 
501*6d239dd5SPavan Nikhilesh 	int worker_idx = 0;
502*6d239dd5SPavan Nikhilesh 	RTE_LCORE_FOREACH_SLAVE(lcore_id) {
503*6d239dd5SPavan Nikhilesh 		if (lcore_id >= MAX_NUM_CORE)
504*6d239dd5SPavan Nikhilesh 			break;
505*6d239dd5SPavan Nikhilesh 
506*6d239dd5SPavan Nikhilesh 		if (!fdata->rx_core[lcore_id] &&
507*6d239dd5SPavan Nikhilesh 			!fdata->worker_core[lcore_id] &&
508*6d239dd5SPavan Nikhilesh 			!fdata->tx_core[lcore_id] &&
509*6d239dd5SPavan Nikhilesh 			!fdata->sched_core[lcore_id])
510*6d239dd5SPavan Nikhilesh 			continue;
511*6d239dd5SPavan Nikhilesh 
512*6d239dd5SPavan Nikhilesh 		if (fdata->rx_core[lcore_id])
513*6d239dd5SPavan Nikhilesh 			printf(
514*6d239dd5SPavan Nikhilesh 				"[%s()] lcore %d executing NIC Rx\n",
515*6d239dd5SPavan Nikhilesh 				__func__, lcore_id);
516*6d239dd5SPavan Nikhilesh 
517*6d239dd5SPavan Nikhilesh 		if (fdata->tx_core[lcore_id])
518*6d239dd5SPavan Nikhilesh 			printf(
519*6d239dd5SPavan Nikhilesh 				"[%s()] lcore %d executing NIC Tx, and using eventdev port %u\n",
520*6d239dd5SPavan Nikhilesh 				__func__, lcore_id, cons_data.port_id);
521*6d239dd5SPavan Nikhilesh 
522*6d239dd5SPavan Nikhilesh 		if (fdata->sched_core[lcore_id])
523*6d239dd5SPavan Nikhilesh 			printf("[%s()] lcore %d executing scheduler\n",
524*6d239dd5SPavan Nikhilesh 					__func__, lcore_id);
525*6d239dd5SPavan Nikhilesh 
526*6d239dd5SPavan Nikhilesh 		if (fdata->worker_core[lcore_id])
527*6d239dd5SPavan Nikhilesh 			printf(
528*6d239dd5SPavan Nikhilesh 				"[%s()] lcore %d executing worker, using eventdev port %u\n",
529*6d239dd5SPavan Nikhilesh 				__func__, lcore_id,
530*6d239dd5SPavan Nikhilesh 				worker_data[worker_idx].port_id);
531*6d239dd5SPavan Nikhilesh 
532*6d239dd5SPavan Nikhilesh 		err = rte_eal_remote_launch(fdata->cap.worker,
533*6d239dd5SPavan Nikhilesh 				&worker_data[worker_idx], lcore_id);
534*6d239dd5SPavan Nikhilesh 		if (err) {
535*6d239dd5SPavan Nikhilesh 			rte_panic("Failed to launch worker on core %d\n",
536*6d239dd5SPavan Nikhilesh 					lcore_id);
537*6d239dd5SPavan Nikhilesh 			continue;
538*6d239dd5SPavan Nikhilesh 		}
539*6d239dd5SPavan Nikhilesh 		if (fdata->worker_core[lcore_id])
540*6d239dd5SPavan Nikhilesh 			worker_idx++;
541*6d239dd5SPavan Nikhilesh 	}
542*6d239dd5SPavan Nikhilesh 
543*6d239dd5SPavan Nikhilesh 	lcore_id = rte_lcore_id();
544*6d239dd5SPavan Nikhilesh 
545*6d239dd5SPavan Nikhilesh 	if (core_in_use(lcore_id))
546*6d239dd5SPavan Nikhilesh 		fdata->cap.worker(&worker_data[worker_idx++]);
547*6d239dd5SPavan Nikhilesh 
548*6d239dd5SPavan Nikhilesh 	rte_eal_mp_wait_lcore();
549*6d239dd5SPavan Nikhilesh 
550*6d239dd5SPavan Nikhilesh 	if (cdata.dump_dev)
551*6d239dd5SPavan Nikhilesh 		rte_event_dev_dump(dev_id, stdout);
552*6d239dd5SPavan Nikhilesh 
553*6d239dd5SPavan Nikhilesh 	if (!cdata.quiet && (port_stat(dev_id, worker_data[0].port_id) !=
554*6d239dd5SPavan Nikhilesh 			(uint64_t)-ENOTSUP)) {
555*6d239dd5SPavan Nikhilesh 		printf("\nPort Workload distribution:\n");
556*6d239dd5SPavan Nikhilesh 		uint32_t i;
557*6d239dd5SPavan Nikhilesh 		uint64_t tot_pkts = 0;
558*6d239dd5SPavan Nikhilesh 		uint64_t pkts_per_wkr[RTE_MAX_LCORE] = {0};
559*6d239dd5SPavan Nikhilesh 		for (i = 0; i < cdata.num_workers; i++) {
560*6d239dd5SPavan Nikhilesh 			pkts_per_wkr[i] =
561*6d239dd5SPavan Nikhilesh 				port_stat(dev_id, worker_data[i].port_id);
562*6d239dd5SPavan Nikhilesh 			tot_pkts += pkts_per_wkr[i];
563*6d239dd5SPavan Nikhilesh 		}
564*6d239dd5SPavan Nikhilesh 		for (i = 0; i < cdata.num_workers; i++) {
565*6d239dd5SPavan Nikhilesh 			float pc = pkts_per_wkr[i]  * 100 /
566*6d239dd5SPavan Nikhilesh 				((float)tot_pkts);
567*6d239dd5SPavan Nikhilesh 			printf("worker %i :\t%.1f %% (%"PRIu64" pkts)\n",
568*6d239dd5SPavan Nikhilesh 					i, pc, pkts_per_wkr[i]);
569*6d239dd5SPavan Nikhilesh 		}
570*6d239dd5SPavan Nikhilesh 
571*6d239dd5SPavan Nikhilesh 	}
572*6d239dd5SPavan Nikhilesh 
573*6d239dd5SPavan Nikhilesh 	return 0;
574*6d239dd5SPavan Nikhilesh }
575