1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2017 Cavium, Inc
3 */
4
5 #include <stdio.h>
6 #include <unistd.h>
7
8 #include "test_order_common.h"
9
10 /* See http://doc.dpdk.org/guides/tools/testeventdev.html for test details */
11
12 static __rte_always_inline void
order_queue_process_stage_0(struct rte_event * const ev)13 order_queue_process_stage_0(struct rte_event *const ev)
14 {
15 ev->queue_id = 1; /* q1 atomic queue */
16 ev->op = RTE_EVENT_OP_FORWARD;
17 ev->sched_type = RTE_SCHED_TYPE_ATOMIC;
18 ev->event_type = RTE_EVENT_TYPE_CPU;
19 }
20
21 static int
order_queue_worker(void * arg,const bool flow_id_cap)22 order_queue_worker(void *arg, const bool flow_id_cap)
23 {
24 ORDER_WORKER_INIT;
25 struct rte_event ev;
26
27 while (t->err == false) {
28 uint16_t event = rte_event_dequeue_burst(dev_id, port,
29 &ev, 1, 0);
30 if (!event) {
31 if (rte_atomic_load_explicit(outstand_pkts, rte_memory_order_relaxed) <= 0)
32 break;
33 rte_pause();
34 continue;
35 }
36
37 if (!flow_id_cap)
38 order_flow_id_copy_from_mbuf(t, &ev);
39
40 if (ev.queue_id == 0) { /* from ordered queue */
41 order_queue_process_stage_0(&ev);
42 while (rte_event_enqueue_burst(dev_id, port, &ev, 1)
43 != 1)
44 rte_pause();
45 } else if (ev.queue_id == 1) { /* from atomic queue */
46 order_process_stage_1(t, &ev, nb_flows,
47 expected_flow_seq, outstand_pkts);
48 } else {
49 order_process_stage_invalid(t, &ev);
50 }
51 }
52 return 0;
53 }
54
55 static int
order_queue_worker_burst(void * arg,const bool flow_id_cap)56 order_queue_worker_burst(void *arg, const bool flow_id_cap)
57 {
58 ORDER_WORKER_INIT;
59 struct rte_event ev[BURST_SIZE];
60 uint16_t i;
61
62 while (t->err == false) {
63 uint16_t const nb_rx = rte_event_dequeue_burst(dev_id, port, ev,
64 BURST_SIZE, 0);
65
66 if (nb_rx == 0) {
67 if (rte_atomic_load_explicit(outstand_pkts, rte_memory_order_relaxed) <= 0)
68 break;
69 rte_pause();
70 continue;
71 }
72
73 for (i = 0; i < nb_rx; i++) {
74
75 if (!flow_id_cap)
76 order_flow_id_copy_from_mbuf(t, &ev[i]);
77
78 if (ev[i].queue_id == 0) { /* from ordered queue */
79 order_queue_process_stage_0(&ev[i]);
80 } else if (ev[i].queue_id == 1) {/* from atomic queue */
81 order_process_stage_1(t, &ev[i], nb_flows,
82 expected_flow_seq, outstand_pkts);
83 ev[i].op = RTE_EVENT_OP_RELEASE;
84 } else {
85 order_process_stage_invalid(t, &ev[i]);
86 }
87 }
88
89 uint16_t enq;
90
91 enq = rte_event_enqueue_burst(dev_id, port, ev, nb_rx);
92 while (enq < nb_rx) {
93 enq += rte_event_enqueue_burst(dev_id, port,
94 ev + enq, nb_rx - enq);
95 }
96 }
97 return 0;
98 }
99
100 static int
worker_wrapper(void * arg)101 worker_wrapper(void *arg)
102 {
103 struct worker_data *w = arg;
104 const bool burst = evt_has_burst_mode(w->dev_id);
105 const bool flow_id_cap = evt_has_flow_id(w->dev_id);
106
107 if (burst) {
108 if (flow_id_cap)
109 return order_queue_worker_burst(arg, true);
110 else
111 return order_queue_worker_burst(arg, false);
112 } else {
113 if (flow_id_cap)
114 return order_queue_worker(arg, true);
115 else
116 return order_queue_worker(arg, false);
117 }
118 }
119
120 static int
order_queue_launch_lcores(struct evt_test * test,struct evt_options * opt)121 order_queue_launch_lcores(struct evt_test *test, struct evt_options *opt)
122 {
123 return order_launch_lcores(test, opt, worker_wrapper);
124 }
125
126 #define NB_QUEUES 2
127 static int
order_queue_eventdev_setup(struct evt_test * test,struct evt_options * opt)128 order_queue_eventdev_setup(struct evt_test *test, struct evt_options *opt)
129 {
130 int ret;
131
132 const uint8_t nb_workers = evt_nr_active_lcores(opt->wlcores);
133 /* number of active worker cores + 1 producer */
134 const uint8_t nb_ports = nb_workers + 1;
135
136 ret = evt_configure_eventdev(opt, NB_QUEUES, nb_ports);
137 if (ret) {
138 evt_err("failed to configure eventdev %d", opt->dev_id);
139 return ret;
140 }
141
142 /* q0 (ordered queue) configuration */
143 struct rte_event_queue_conf q0_ordered_conf = {
144 .priority = RTE_EVENT_DEV_PRIORITY_NORMAL,
145 .schedule_type = RTE_SCHED_TYPE_ORDERED,
146 .nb_atomic_flows = opt->nb_flows,
147 .nb_atomic_order_sequences = opt->nb_flows,
148 };
149 ret = rte_event_queue_setup(opt->dev_id, 0, &q0_ordered_conf);
150 if (ret) {
151 evt_err("failed to setup queue0 eventdev %d", opt->dev_id);
152 return ret;
153 }
154
155 /* q1 (atomic queue) configuration */
156 struct rte_event_queue_conf q1_atomic_conf = {
157 .priority = RTE_EVENT_DEV_PRIORITY_NORMAL,
158 .schedule_type = RTE_SCHED_TYPE_ATOMIC,
159 .nb_atomic_flows = opt->nb_flows,
160 .nb_atomic_order_sequences = opt->nb_flows,
161 };
162 ret = rte_event_queue_setup(opt->dev_id, 1, &q1_atomic_conf);
163 if (ret) {
164 evt_err("failed to setup queue1 eventdev %d", opt->dev_id);
165 return ret;
166 }
167
168 /* setup one port per worker, linking to all queues */
169 ret = order_event_dev_port_setup(test, opt, nb_workers, NB_QUEUES);
170 if (ret)
171 return ret;
172
173 if (!evt_has_distributed_sched(opt->dev_id)) {
174 uint32_t service_id;
175 rte_event_dev_service_id_get(opt->dev_id, &service_id);
176 ret = evt_service_setup(service_id);
177 if (ret) {
178 evt_err("No service lcore found to run event dev.");
179 return ret;
180 }
181 }
182
183 ret = rte_event_dev_start(opt->dev_id);
184 if (ret) {
185 evt_err("failed to start eventdev %d", opt->dev_id);
186 return ret;
187 }
188
189 return 0;
190 }
191
192 static void
order_queue_opt_dump(struct evt_options * opt)193 order_queue_opt_dump(struct evt_options *opt)
194 {
195 order_opt_dump(opt);
196 evt_dump("nb_evdev_queues", "%d", NB_QUEUES);
197 }
198
199 static bool
order_queue_capability_check(struct evt_options * opt)200 order_queue_capability_check(struct evt_options *opt)
201 {
202 struct rte_event_dev_info dev_info;
203
204 rte_event_dev_info_get(opt->dev_id, &dev_info);
205 if (dev_info.max_event_queues < NB_QUEUES || dev_info.max_event_ports <
206 order_nb_event_ports(opt)) {
207 evt_err("not enough eventdev queues=%d/%d or ports=%d/%d",
208 NB_QUEUES, dev_info.max_event_queues,
209 order_nb_event_ports(opt), dev_info.max_event_ports);
210 return false;
211 }
212
213 return true;
214 }
215
216 static const struct evt_test_ops order_queue = {
217 .cap_check = order_queue_capability_check,
218 .opt_check = order_opt_check,
219 .opt_dump = order_queue_opt_dump,
220 .test_setup = order_test_setup,
221 .mempool_setup = order_mempool_setup,
222 .eventdev_setup = order_queue_eventdev_setup,
223 .launch_lcores = order_queue_launch_lcores,
224 .eventdev_destroy = order_eventdev_destroy,
225 .mempool_destroy = order_mempool_destroy,
226 .test_result = order_test_result,
227 .test_destroy = order_test_destroy,
228 };
229
230 EVT_TEST_REGISTER(order_queue);
231