Only send notification to mpu when crossing 64 index boundary.
Signed-off-by: Ed Czeck <ed.cz...@atomicrules.com>
---
drivers/net/ark/ark_ethdev_rx.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ark/ark_ethdev_rx.c b/drivers/net/ark/ark_ethdev_rx.c
index 5751585..300029d 100644
--- a/drivers/net/ark/ark_ethdev_rx.c
+++ b/drivers/net/ark/ark_ethdev_rx.c
@@ -53,7 +53,7 @@ struct ark_rx_queue {
/* The queue Index is used within the dpdk device structures */
uint16_t queue_index;
- uint32_t pad1;
+ uint32_t last_cons;
/* separate cache line */
/* second cache line - fields only used in slow path */
@@ -105,7 +105,10 @@ eth_ark_rx_update_cons_index(struct ark_rx_queue *queue,
uint32_t cons_index)
{
queue->cons_index = cons_index;
eth_ark_rx_seed_mbufs(queue);
- ark_mpu_set_producer(queue->mpu, queue->seed_index);
+ if (((cons_index - queue->last_cons) >= 64U)) {
+ queue->last_cons = cons_index;
+ ark_mpu_set_producer(queue->mpu, queue->seed_index);
+ }
}
/* ************************************************************************* */
--
2.7.4
