[dpdk-dev] [PATCH v2 16/38] event/octeontx: add support worker dequeue function
Jerin Jacob
jerin.jacob at caviumnetworks.com
Fri Mar 31 21:34:43 CEST 2017
If device is configured with RTE_EVENT_DEV_CFG_PER_DEQUEUE_TIMEOUT
configuration then use different fast path dequeue handler to wait till
requested amount of nanosecond if the event is not available.
Signed-off-by: Jerin Jacob <jerin.jacob at caviumnetworks.com>
Signed-off-by: Santosh Shukla <santosh.shukla at caviumnetworks.com>
---
drivers/event/octeontx/ssovf_evdev.h | 7 +++++
drivers/event/octeontx/ssovf_worker.c | 52 +++++++++++++++++++++++++++++++++++
2 files changed, 59 insertions(+)
diff --git a/drivers/event/octeontx/ssovf_evdev.h b/drivers/event/octeontx/ssovf_evdev.h
index fac42f5..2cd9147 100644
--- a/drivers/event/octeontx/ssovf_evdev.h
+++ b/drivers/event/octeontx/ssovf_evdev.h
@@ -190,5 +190,12 @@ ssovf_pmd_priv(const struct rte_eventdev *eventdev)
uint16_t ssows_enq(void *port, const struct rte_event *ev);
uint16_t ssows_enq_burst(void *port,
const struct rte_event ev[], uint16_t nb_events);
+uint16_t ssows_deq(void *port, struct rte_event *ev, uint64_t timeout_ticks);
+uint16_t ssows_deq_burst(void *port, struct rte_event ev[],
+ uint16_t nb_events, uint64_t timeout_ticks);
+uint16_t ssows_deq_timeout(void *port, struct rte_event *ev,
+ uint64_t timeout_ticks);
+uint16_t ssows_deq_timeout_burst(void *port, struct rte_event ev[],
+ uint16_t nb_events, uint64_t timeout_ticks);
#endif /* __SSOVF_EVDEV_H__ */
diff --git a/drivers/event/octeontx/ssovf_worker.c b/drivers/event/octeontx/ssovf_worker.c
index 33ae912..13c7823 100644
--- a/drivers/event/octeontx/ssovf_worker.c
+++ b/drivers/event/octeontx/ssovf_worker.c
@@ -210,6 +210,58 @@ ssows_release_event(struct ssows *ws)
}
force_inline uint16_t __hot
+ssows_deq(void *port, struct rte_event *ev, uint64_t timeout_ticks)
+{
+ struct ssows *ws = port;
+
+ RTE_SET_USED(timeout_ticks);
+
+ ssows_swtag_wait(ws);
+ if (ws->swtag_req) {
+ ws->swtag_req = 0;
+ return 1;
+ } else {
+ return ssows_get_work(ws, ev);
+ }
+}
+
+force_inline uint16_t __hot
+ssows_deq_timeout(void *port, struct rte_event *ev, uint64_t timeout_ticks)
+{
+ struct ssows *ws = port;
+ uint64_t iter;
+ uint16_t ret = 1;
+
+ ssows_swtag_wait(ws);
+ if (ws->swtag_req) {
+ ws->swtag_req = 0;
+ } else {
+ ret = ssows_get_work(ws, ev);
+ for (iter = 1; iter < timeout_ticks && (ret == 0); iter++)
+ ret = ssows_get_work(ws, ev);
+ }
+ return ret;
+}
+
+uint16_t __hot
+ssows_deq_burst(void *port, struct rte_event ev[], uint16_t nb_events,
+ uint64_t timeout_ticks)
+{
+ RTE_SET_USED(nb_events);
+
+ return ssows_deq(port, ev, timeout_ticks);
+}
+
+uint16_t __hot
+ssows_deq_timeout_burst(void *port, struct rte_event ev[], uint16_t nb_events,
+ uint64_t timeout_ticks)
+{
+ RTE_SET_USED(nb_events);
+
+ return ssows_deq_timeout(port, ev, timeout_ticks);
+}
+
+force_inline uint16_t __hot
ssows_enq(void *port, const struct rte_event *ev)
{
struct ssows *ws = port;
--
2.5.5
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