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From: =?UTF-8?q?Mattias=20R=C3=B6nnblom?= <mattias.ronnblom@ericsson.com>
To: <jerinj@marvell.com>, <abhinandan.gujjar@intel.com>,
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CC: <dev@dpdk.org>, =?UTF-8?q?Mattias=20R=C3=B6nnblom?=
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Date: Tue, 26 Oct 2021 19:31:47 +0200
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Subject: [dpdk-dev] [PATCH 2/3] event/dsw: make use of eventdev maintenance
facility
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Set the RTE_EVENT_DEV_CAP_REQUIRES_MAINT flag, and perform DSW
background tasks on rte_event_maintain() calls.
RFC v2: Have dsw_event_maintain() occasionally flush the port output
buffers.
Signed-off-by: Mattias Rönnblom <mattias.ronnblom@ericsson.com>
Tested-by: Richard Eklycke <richard.eklycke@ericsson.com>
Tested-by: Liron Himi <lironh@marvell.com>
---
drivers/event/dsw/dsw_evdev.c | 4 +++-
drivers/event/dsw/dsw_evdev.h | 1 +
drivers/event/dsw/dsw_event.c | 9 +++++++++
3 files changed, 13 insertions(+), 1 deletion(-)
diff --git a/drivers/event/dsw/dsw_evdev.c b/drivers/event/dsw/dsw_evdev.c
index 0652d83ad6..5ff8fcc6a9 100644
--- a/drivers/event/dsw/dsw_evdev.c
+++ b/drivers/event/dsw/dsw_evdev.c
@@ -222,7 +222,8 @@ dsw_info_get(struct rte_eventdev *dev __rte_unused,
RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED|
RTE_EVENT_DEV_CAP_NONSEQ_MODE|
RTE_EVENT_DEV_CAP_MULTIPLE_QUEUE_PORT|
- RTE_EVENT_DEV_CAP_CARRY_FLOW_ID
+ RTE_EVENT_DEV_CAP_CARRY_FLOW_ID|
+ RTE_EVENT_DEV_CAP_REQUIRES_MAINT
};
}
@@ -441,6 +442,7 @@ dsw_probe(struct rte_vdev_device *vdev)
dev->enqueue_forward_burst = dsw_event_enqueue_forward_burst;
dev->dequeue = dsw_event_dequeue;
dev->dequeue_burst = dsw_event_dequeue_burst;
+ dev->maintain = dsw_event_maintain;
if (rte_eal_process_type() != RTE_PROC_PRIMARY)
return 0;
diff --git a/drivers/event/dsw/dsw_evdev.h b/drivers/event/dsw/dsw_evdev.h
index 631daea55c..31af4ede0f 100644
--- a/drivers/event/dsw/dsw_evdev.h
+++ b/drivers/event/dsw/dsw_evdev.h
@@ -271,6 +271,7 @@ uint16_t dsw_event_enqueue_forward_burst(void *port,
uint16_t dsw_event_dequeue(void *port, struct rte_event *ev, uint64_t wait);
uint16_t dsw_event_dequeue_burst(void *port, struct rte_event *events,
uint16_t num, uint64_t wait);
+void dsw_event_maintain(void *port);
int dsw_xstats_get_names(const struct rte_eventdev *dev,
enum rte_event_dev_xstats_mode mode,
diff --git a/drivers/event/dsw/dsw_event.c b/drivers/event/dsw/dsw_event.c
index 1f09816945..f16d9d463b 100644
--- a/drivers/event/dsw/dsw_event.c
+++ b/drivers/event/dsw/dsw_event.c
@@ -1400,3 +1400,12 @@ dsw_event_dequeue_burst(void *port, struct rte_event *events, uint16_t num,
return dequeued;
}
+
+void dsw_event_maintain(void *port)
+{
+ struct dsw_port *source_port = port;
+ struct dsw_evdev *dsw = source_port->dsw;
+
+ dsw_port_note_op(source_port, 0);
+ dsw_port_bg_process(dsw, source_port);
+}
--
2.25.1