[dpdk-dev] [PATCH] eventdev: define the default value for dequeue timeout
Jerin Jacob
jerin.jacob at caviumnetworks.com
Thu May 18 10:48:27 CEST 2017
Defining the value 0 as default value for dequeue timeout
will help the application reduce the configuration setup
if the application is interested only in default
timeout value.
Signed-off-by: Jerin Jacob <jerin.jacob at caviumnetworks.com>
---
This patch will fix following error found in the event_pipeline RFC application
http://dpdk.org/dev/patchwork/patch/23799/ with event_octeontx HW driver.
EVENTDEV: rte_event_dev_configure() line 379: dev0 invalid
dequeue_timeout_ns=0 min_dequeue_timeout_ns=853 max_dequeue_timeout_ns=873813
---
drivers/event/octeontx/ssovf_evdev.c | 2 ++
lib/librte_eventdev/rte_eventdev.c | 5 +++--
lib/librte_eventdev/rte_eventdev.h | 1 +
3 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/event/octeontx/ssovf_evdev.c b/drivers/event/octeontx/ssovf_evdev.c
index c80a44379..5499b1bf7 100644
--- a/drivers/event/octeontx/ssovf_evdev.c
+++ b/drivers/event/octeontx/ssovf_evdev.c
@@ -194,6 +194,8 @@ ssovf_configure(const struct rte_eventdev *dev)
ssovf_func_trace();
deq_tmo_ns = conf->dequeue_timeout_ns;
+ if (deq_tmo_ns == 0)
+ deq_tmo_ns = edev->min_deq_timeout_ns;
if (conf->event_dev_cfg & RTE_EVENT_DEV_CFG_PER_DEQUEUE_TIMEOUT) {
edev->is_timeout_deq = 1;
diff --git a/lib/librte_eventdev/rte_eventdev.c b/lib/librte_eventdev/rte_eventdev.c
index 20afc3f0e..8cafffe03 100644
--- a/lib/librte_eventdev/rte_eventdev.c
+++ b/lib/librte_eventdev/rte_eventdev.c
@@ -369,9 +369,10 @@ rte_event_dev_configure(uint8_t dev_id,
/* Check dequeue_timeout_ns value is in limit */
if (!(dev_conf->event_dev_cfg & RTE_EVENT_DEV_CFG_PER_DEQUEUE_TIMEOUT)) {
- if (dev_conf->dequeue_timeout_ns < info.min_dequeue_timeout_ns
+ if (dev_conf->dequeue_timeout_ns &&
+ (dev_conf->dequeue_timeout_ns < info.min_dequeue_timeout_ns
|| dev_conf->dequeue_timeout_ns >
- info.max_dequeue_timeout_ns) {
+ info.max_dequeue_timeout_ns)) {
RTE_EDEV_LOG_ERR("dev%d invalid dequeue_timeout_ns=%d"
" min_dequeue_timeout_ns=%d max_dequeue_timeout_ns=%d",
dev_id, dev_conf->dequeue_timeout_ns,
diff --git a/lib/librte_eventdev/rte_eventdev.h b/lib/librte_eventdev/rte_eventdev.h
index 94284337d..f39fbc6b9 100644
--- a/lib/librte_eventdev/rte_eventdev.h
+++ b/lib/librte_eventdev/rte_eventdev.h
@@ -409,6 +409,7 @@ struct rte_event_dev_config {
* This value should be in the range of *min_dequeue_timeout_ns* and
* *max_dequeue_timeout_ns* which previously provided in
* rte_event_dev_info_get()
+ * The value 0 is allowed, in which case, default dequeue timeout used.
* @see RTE_EVENT_DEV_CFG_PER_DEQUEUE_TIMEOUT
*/
int32_t nb_events_limit;
--
2.13.0
More information about the dev
mailing list