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37 #include <rte_common.h>
38 #include <rte_cycles.h>
39 #include <rte_interrupts.h>
40 #include <rte_atomic.h>
41 #include <rte_alarm.h>
45 #define US_PER_MS 1000
47 #define RTE_TEST_ALARM_TIMEOUT 10 /* ms */
48 #define RTE_TEST_CHECK_PERIOD 3 /* ms */
49 #define RTE_TEST_MAX_REPEAT 20
51 static volatile int flag;
54 test_alarm_callback(void *cb_arg)
57 printf("Callback setting flag - OK. [cb_arg = %p]\n", cb_arg);
60 static rte_atomic32_t cb_count;
63 test_multi_cb(void *arg)
65 rte_atomic32_inc(&cb_count);
66 printf("In %s - arg = %p\n", __func__, arg);
69 static volatile int recursive_error = 0;
72 test_remove_in_callback(void *arg)
74 printf("In %s - arg = %p\n", __func__, arg);
75 if (rte_eal_alarm_cancel(test_remove_in_callback, arg) ||
76 rte_eal_alarm_cancel(test_remove_in_callback, (void *)-1)) {
77 printf("Error - cancelling callback from within function succeeded!\n");
80 flag = (int)((uintptr_t)arg);
83 static volatile int flag_2;
86 test_remove_in_callback_2(void *arg)
88 if (rte_eal_alarm_cancel(test_remove_in_callback_2, arg) || rte_eal_alarm_cancel(test_remove_in_callback_2, (void *)-1)) {
89 printf("Error - cancelling callback of test_remove_in_callback_2\n");
96 test_multi_alarms(void)
102 printf("Expect 6 callbacks in order...\n");
103 /* add two alarms in order */
104 rte_eal_alarm_set(10 * US_PER_MS, test_multi_cb, (void *)1);
105 rte_eal_alarm_set(20 * US_PER_MS, test_multi_cb, (void *)2);
107 /* now add in reverse order */
108 rte_eal_alarm_set(60 * US_PER_MS, test_multi_cb, (void *)6);
109 rte_eal_alarm_set(50 * US_PER_MS, test_multi_cb, (void *)5);
110 rte_eal_alarm_set(40 * US_PER_MS, test_multi_cb, (void *)4);
111 rte_eal_alarm_set(30 * US_PER_MS, test_multi_cb, (void *)3);
113 /* wait for expiry */
115 if (cb_count.cnt != 6) {
116 printf("Missing callbacks\n");
117 /* remove any callbacks that might remain */
118 rte_eal_alarm_cancel(test_multi_cb, (void *)-1);
123 printf("Expect only callbacks with args 1 and 3...\n");
124 /* Add 3 flags, then delete one */
125 rte_eal_alarm_set(30 * US_PER_MS, test_multi_cb, (void *)3);
126 rte_eal_alarm_set(20 * US_PER_MS, test_multi_cb, (void *)2);
127 rte_eal_alarm_set(10 * US_PER_MS, test_multi_cb, (void *)1);
128 rm_count = rte_eal_alarm_cancel(test_multi_cb, (void *)2);
131 if (cb_count.cnt != 2 || rm_count != 1) {
132 printf("Error: invalid flags count or alarm removal failure"
133 " - flags value = %d, expected = %d\n",
134 (int)cb_count.cnt, 2);
135 /* remove any callbacks that might remain */
136 rte_eal_alarm_cancel(test_multi_cb, (void *)-1);
140 printf("Testing adding and then removing multiple alarms\n");
141 /* finally test that no callbacks are called if we delete them all*/
142 rte_eal_alarm_set(10 * US_PER_MS, test_multi_cb, (void *)1);
143 rte_eal_alarm_set(10 * US_PER_MS, test_multi_cb, (void *)2);
144 rte_eal_alarm_set(10 * US_PER_MS, test_multi_cb, (void *)3);
145 rm_count = rte_eal_alarm_cancel(test_alarm_callback, (void *)-1);
147 printf("Error removing non-existant alarm succeeded\n");
148 rte_eal_alarm_cancel(test_multi_cb, (void *) -1);
151 rm_count = rte_eal_alarm_cancel(test_multi_cb, (void *) -1);
153 printf("Error removing all pending alarm callbacks\n");
157 /* Test that we cannot cancel an alarm from within the callback itself
158 * Also test that we can cancel head-of-line callbacks ok.*/
161 rte_eal_alarm_set(10 * US_PER_MS, test_remove_in_callback, (void *)1);
162 rte_eal_alarm_set(20 * US_PER_MS, test_remove_in_callback, (void *)2);
163 rm_count = rte_eal_alarm_cancel(test_remove_in_callback, (void *)1);
165 printf("Error cancelling head-of-list callback\n");
170 printf("Error, cancelling head-of-list leads to premature callback\n");
174 while (flag != 2 && count++ < RTE_TEST_MAX_REPEAT)
178 printf("Error - expected callback not called\n");
179 rte_eal_alarm_cancel(test_remove_in_callback, (void *)-1);
182 if (recursive_error == 1)
185 /* Check if it can cancel all for the same callback */
186 printf("Testing canceling all for the same callback\n");
188 rte_eal_alarm_set(10 * US_PER_MS, test_remove_in_callback, (void *)1);
189 rte_eal_alarm_set(20 * US_PER_MS, test_remove_in_callback_2, (void *)2);
190 rte_eal_alarm_set(30 * US_PER_MS, test_remove_in_callback_2, (void *)3);
191 rte_eal_alarm_set(40 * US_PER_MS, test_remove_in_callback, (void *)4);
192 rm_count = rte_eal_alarm_cancel(test_remove_in_callback_2, (void *)-1);
194 printf("Error, cannot cancel all for the same callback\n");
197 rm_count = rte_eal_alarm_cancel(test_remove_in_callback, (void *)-1);
199 printf("Error, cannot cancel all for the same callback\n");
211 /* check if the callback will be called */
212 printf("check if the callback will be called\n");
214 if (rte_eal_alarm_set(RTE_TEST_ALARM_TIMEOUT * US_PER_MS,
215 test_alarm_callback, NULL) < 0) {
216 printf("fail to set alarm callback\n");
219 while (flag == 0 && count++ < RTE_TEST_MAX_REPEAT)
220 rte_delay_ms(RTE_TEST_CHECK_PERIOD);
223 printf("Callback not called\n");
227 /* check if it will fail to set alarm with wrong us value */
228 printf("check if it will fail to set alarm with wrong ms values\n");
229 if (rte_eal_alarm_set(0, test_alarm_callback,
231 printf("should not be successful with 0 us value\n");
234 if (rte_eal_alarm_set(UINT64_MAX - 1, test_alarm_callback,
236 printf("should not be successful with (UINT64_MAX-1) us value\n");
240 /* check if it will fail to set alarm with null callback parameter */
241 printf("check if it will fail to set alarm with null callback parameter\n");
242 if (rte_eal_alarm_set(RTE_TEST_ALARM_TIMEOUT, NULL, NULL) >= 0) {
243 printf("should not be successful to set alarm with null callback parameter\n");
247 /* check if it will fail to remove alarm with null callback parameter */
248 printf("check if it will fail to remove alarm with null callback parameter\n");
249 if (rte_eal_alarm_cancel(NULL, NULL) == 0) {
250 printf("should not be successful to remove alarm with null callback parameter");
254 if (test_multi_alarms() != 0)
260 REGISTER_TEST_COMMAND(alarm_autotest, test_alarm);