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;
}
static void qed_start_iov_task(struct ecore_dev *edev)
{
struct ecore_hwfn *p_hwfn;
int i;
for_each_hwfn(edev, i) {
p_hwfn = &edev->hwfns[i];
if (!IS_PF(edev))
rte_eal_alarm_set(QEDE_ALARM_TIMEOUT_US, qede_vf_task,
p_hwfn);
}
static void qede_vf_task(void *arg)
{
struct ecore_hwfn *p_hwfn = arg;
uint8_t change = 0;
/* Read the bulletin board, and re-schedule the task */
ecore_vf_read_bulletin(p_hwfn, &change);
if (change)
qed_handle_bulletin_change(p_hwfn);
rte_eal_alarm_set(QEDE_ALARM_TIMEOUT_US, qede_vf_task, p_hwfn);
}
int
failsafe_hotplug_alarm_install(struct rte_eth_dev *dev)
{
int ret;
if (dev == NULL)
return -EINVAL;
if (PRIV(dev)->pending_alarm)
return 0;
ret = rte_eal_alarm_set(failsafe_hotplug_poll * 1000,
fs_hotplug_alarm,
dev);
if (ret) {
ERROR("Could not set up plug-in event detection");
return ret;
}
PRIV(dev)->pending_alarm = 1;
return 0;
}
static void
sfc_ev_mgmt_periodic_qpoll(void *arg)
{
struct sfc_adapter *sa = arg;
int rc;
sfc_ev_mgmt_qpoll(sa);
rc = rte_eal_alarm_set(SFC_MGMT_EV_QPOLL_PERIOD_US,
sfc_ev_mgmt_periodic_qpoll, sa);
if (rc == -ENOTSUP) {
sfc_warn(sa, "alarms are not supported");
sfc_warn(sa, "management EVQ must be polled indirectly using no-wait link status update");
} else if (rc != 0) {
sfc_err(sa,
"cannot rearm management EVQ polling alarm (rc=%d)",
rc);
}
}
/**
* Link status handler.
*
* @param priv
* Pointer to private structure.
* @param dev
* Pointer to the rte_eth_dev structure.
*
* @return
* Nonzero if the callback process can be called immediately.
*/
static int
priv_dev_link_status_handler(struct priv *priv, struct rte_eth_dev *dev)
{
struct ibv_async_event event;
int port_change = 0;
int ret = 0;
/* Read all message and acknowledge them. */
for (;;) {
if (ibv_get_async_event(priv->ctx, &event))
break;
if (event.event_type == IBV_EVENT_PORT_ACTIVE ||
event.event_type == IBV_EVENT_PORT_ERR)
port_change = 1;
else
DEBUG("event type %d on port %d not handled",
event.event_type, event.element.port_num);
ibv_ack_async_event(&event);
}
if (port_change ^ priv->pending_alarm) {
struct rte_eth_link *link = &dev->data->dev_link;
priv->pending_alarm = 0;
mlx5_link_update_unlocked(dev, 0);
if (((link->link_speed == 0) && link->link_status) ||
((link->link_speed != 0) && !link->link_status)) {
/* Inconsistent status, check again later. */
priv->pending_alarm = 1;
rte_eal_alarm_set(MLX5_ALARM_TIMEOUT_US,
mlx5_dev_link_status_handler,
dev);
} else
ret = 1;
}
return ret;
}
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(1000 * US_PER_MS, test_multi_cb, (void *)1);
rte_eal_alarm_set(2000 * US_PER_MS, test_multi_cb, (void *)2);
/* now add in reverse order */
rte_eal_alarm_set(6000 * US_PER_MS, test_multi_cb, (void *)6);
rte_eal_alarm_set(5000 * US_PER_MS, test_multi_cb, (void *)5);
rte_eal_alarm_set(4000 * US_PER_MS, test_multi_cb, (void *)4);
rte_eal_alarm_set(3000 * US_PER_MS, test_multi_cb, (void *)3);
/* wait for expiry */
rte_delay_ms(6500);
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(3000 * US_PER_MS, test_multi_cb, (void *)3);
rte_eal_alarm_set(2000 * US_PER_MS, test_multi_cb, (void *)2);
rte_eal_alarm_set(1000 * US_PER_MS, test_multi_cb, (void *)1);
rm_count = rte_eal_alarm_cancel(test_multi_cb, (void *)2);
rte_delay_ms(3500);
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(1000 * US_PER_MS, test_multi_cb, (void *)1);
rte_eal_alarm_set(1000 * US_PER_MS, test_multi_cb, (void *)2);
rte_eal_alarm_set(1000 * 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(1000 * US_PER_MS, test_remove_in_callback, (void *)1);
rte_eal_alarm_set(2000 * 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(1500);
if (flag != 0) {
printf("Error, cancelling head-of-list leads to premature callback\n");
return -1;
}
rte_delay_ms(1000);
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(1000 * US_PER_MS, test_remove_in_callback, (void *)1);
rte_eal_alarm_set(2000 * US_PER_MS, test_remove_in_callback_2, (void *)2);
rte_eal_alarm_set(3000 * US_PER_MS, test_remove_in_callback_2, (void *)3);
rte_eal_alarm_set(4000 * 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;
}
