+++ /dev/null
-/*-
- * 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 <stdio.h>
-#include <stdint.h>
-
-#include <rte_common.h>
-#include <rte_cycles.h>
-#include <rte_interrupts.h>
-#include <rte_common.h>
-#include <rte_atomic.h>
-#include <rte_alarm.h>
-
-#include "test.h"
-
-#define US_PER_MS 1000
-
-#define RTE_TEST_ALARM_TIMEOUT 10 /* ms */
-#define RTE_TEST_CHECK_PERIOD 3 /* ms */
-
-static volatile int flag;
-
-static void
-test_alarm_callback(void *cb_arg)
-{
- flag = 1;
- printf("Callback setting flag - OK. [cb_arg = %p]\n", cb_arg);
-}
-
-static rte_atomic32_t cb_count;
-
-static void
-test_multi_cb(void *arg)
-{
- rte_atomic32_inc(&cb_count);
- printf("In %s - arg = %p\n", __func__, arg);
-}
-
-static volatile int recursive_error = 0;
-
-static void
-test_remove_in_callback(void *arg)
-{
- printf("In %s - arg = %p\n", __func__, arg);
- if (rte_eal_alarm_cancel(test_remove_in_callback, arg) ||
- rte_eal_alarm_cancel(test_remove_in_callback, (void *)-1)) {
- printf("Error - cancelling callback from within function succeeded!\n");
- recursive_error = 1;
- }
- flag = (int)((uintptr_t)arg);
-}
-
-static volatile int flag_2;
-
-static void
-test_remove_in_callback_2(void *arg)
-{
- if (rte_eal_alarm_cancel(test_remove_in_callback_2, arg) || rte_eal_alarm_cancel(test_remove_in_callback_2, (void *)-1)) {
- printf("Error - cancelling callback of test_remove_in_callback_2\n");
- return;
- }
- flag_2 = 1;
-}
-
-static int
-test_multi_alarms(void)
-{
- int rm_count = 0;
- cb_count.cnt = 0;
-
- printf("Expect 6 callbacks in order...\n");
- /* add two alarms in order */
- rte_eal_alarm_set(10 * US_PER_MS, test_multi_cb, (void *)1);
- rte_eal_alarm_set(20 * US_PER_MS, test_multi_cb, (void *)2);
-
- /* now add in reverse order */
- rte_eal_alarm_set(60 * US_PER_MS, test_multi_cb, (void *)6);
- rte_eal_alarm_set(50 * US_PER_MS, test_multi_cb, (void *)5);
- rte_eal_alarm_set(40 * US_PER_MS, test_multi_cb, (void *)4);
- rte_eal_alarm_set(30 * US_PER_MS, test_multi_cb, (void *)3);
-
- /* wait for expiry */
- rte_delay_ms(65);
- if (cb_count.cnt != 6) {
- printf("Missing callbacks\n");
- /* remove any callbacks that might remain */
- rte_eal_alarm_cancel(test_multi_cb, (void *)-1);
- return -1;
- }
-
- cb_count.cnt = 0;
- printf("Expect only callbacks with args 1 and 3...\n");
- /* Add 3 flags, then delete one */
- rte_eal_alarm_set(30 * US_PER_MS, test_multi_cb, (void *)3);
- rte_eal_alarm_set(20 * US_PER_MS, test_multi_cb, (void *)2);
- rte_eal_alarm_set(10 * US_PER_MS, test_multi_cb, (void *)1);
- rm_count = rte_eal_alarm_cancel(test_multi_cb, (void *)2);
-
- rte_delay_ms(35);
- if (cb_count.cnt != 2 || rm_count != 1) {
- printf("Error: invalid flags count or alarm removal failure"
- " - flags value = %d, expected = %d\n",
- (int)cb_count.cnt, 2);
- /* remove any callbacks that might remain */
- rte_eal_alarm_cancel(test_multi_cb, (void *)-1);
- return -1;
- }
-
- printf("Testing adding and then removing multiple alarms\n");
- /* finally test that no callbacks are called if we delete them all*/
- rte_eal_alarm_set(10 * US_PER_MS, test_multi_cb, (void *)1);
- rte_eal_alarm_set(10 * US_PER_MS, test_multi_cb, (void *)2);
- rte_eal_alarm_set(10 * US_PER_MS, test_multi_cb, (void *)3);
- rm_count = rte_eal_alarm_cancel(test_alarm_callback, (void *)-1);
- if (rm_count != 0) {
- printf("Error removing non-existant alarm succeeded\n");
- rte_eal_alarm_cancel(test_multi_cb, (void *) -1);
- return -1;
- }
- rm_count = rte_eal_alarm_cancel(test_multi_cb, (void *) -1);
- if (rm_count != 3) {
- printf("Error removing all pending alarm callbacks\n");
- return -1;
- }
-
- /* Test that we cannot cancel an alarm from within the callback itself
- * Also test that we can cancel head-of-line callbacks ok.*/
- flag = 0;
- recursive_error = 0;
- rte_eal_alarm_set(10 * US_PER_MS, test_remove_in_callback, (void *)1);
- rte_eal_alarm_set(20 * US_PER_MS, test_remove_in_callback, (void *)2);
- rm_count = rte_eal_alarm_cancel(test_remove_in_callback, (void *)1);
- if (rm_count != 1) {
- printf("Error cancelling head-of-list callback\n");
- return -1;
- }
- rte_delay_ms(15);
- if (flag != 0) {
- printf("Error, cancelling head-of-list leads to premature callback\n");
- return -1;
- }
- rte_delay_ms(10);
- if (flag != 2) {
- printf("Error - expected callback not called\n");
- rte_eal_alarm_cancel(test_remove_in_callback, (void *)-1);
- return -1;
- }
- if (recursive_error == 1)
- return -1;
-
- /* Check if it can cancel all for the same callback */
- printf("Testing canceling all for the same callback\n");
- flag_2 = 0;
- rte_eal_alarm_set(10 * US_PER_MS, test_remove_in_callback, (void *)1);
- rte_eal_alarm_set(20 * US_PER_MS, test_remove_in_callback_2, (void *)2);
- rte_eal_alarm_set(30 * US_PER_MS, test_remove_in_callback_2, (void *)3);
- rte_eal_alarm_set(40 * US_PER_MS, test_remove_in_callback, (void *)4);
- rm_count = rte_eal_alarm_cancel(test_remove_in_callback_2, (void *)-1);
- if (rm_count != 2) {
- printf("Error, cannot cancel all for the same callback\n");
- return -1;
- }
- rm_count = rte_eal_alarm_cancel(test_remove_in_callback, (void *)-1);
- if (rm_count != 2) {
- printf("Error, cannot cancel all for the same callback\n");
- return -1;
- }
-
- return 0;
-}
-
-static int
-test_alarm(void)
-{
- int count = 0;
-
- /* check if the callback will be called */
- printf("check if the callback will be called\n");
- flag = 0;
- if (rte_eal_alarm_set(RTE_TEST_ALARM_TIMEOUT * US_PER_MS,
- test_alarm_callback, NULL) < 0) {
- printf("fail to set alarm callback\n");
- return -1;
- }
- while (flag == 0 && count ++ < 6)
- rte_delay_ms(RTE_TEST_CHECK_PERIOD);
-
- if (flag == 0){
- printf("Callback not called\n");
- return -1;
- }
-
- /* check if it will fail to set alarm with wrong us value */
- printf("check if it will fail to set alarm with wrong ms values\n");
- if (rte_eal_alarm_set(0, test_alarm_callback,
- NULL) >= 0) {
- printf("should not be successful with 0 us value\n");
- return -1;
- }
- if (rte_eal_alarm_set(UINT64_MAX - 1, test_alarm_callback,
- NULL) >= 0) {
- printf("should not be successful with (UINT64_MAX-1) us value\n");
- return -1;
- }
-
- /* check if it will fail to set alarm with null callback parameter */
- printf("check if it will fail to set alarm with null callback parameter\n");
- if (rte_eal_alarm_set(RTE_TEST_ALARM_TIMEOUT, NULL, NULL) >= 0) {
- printf("should not be successful to set alarm with null callback parameter\n");
- return -1;
- }
-
- /* check if it will fail to remove alarm with null callback parameter */
- printf("check if it will fail to remove alarm with null callback parameter\n");
- if (rte_eal_alarm_cancel(NULL, NULL) == 0) {
- printf("should not be successful to remove alarm with null callback parameter");
- return -1;
- }
-
- if (test_multi_alarms() != 0)
- return -1;
-
- return 0;
-}
-
-REGISTER_TEST_COMMAND(alarm_autotest, test_alarm);
Code Review / deb_dpdk.git / blobdiff