diff options
Diffstat (limited to 'drivers/net/ethernet/amazon')
| -rw-r--r-- | drivers/net/ethernet/amazon/ena/ena_netdev.c | 4 | ||||
| -rw-r--r-- | drivers/net/ethernet/amazon/ena/ena_netdev.h | 5 |
2 files changed, 6 insertions, 3 deletions
diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c index 9927a5b76d7d..e71bf82ba753 100644 --- a/drivers/net/ethernet/amazon/ena/ena_netdev.c +++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c @@ -1122,7 +1122,9 @@ static int ena_clean_rx_irq(struct ena_ring *rx_ring, struct napi_struct *napi, rx_ring->next_to_clean = next_to_clean; refill_required = ena_com_free_desc(rx_ring->ena_com_io_sq); - refill_threshold = rx_ring->ring_size / ENA_RX_REFILL_THRESH_DIVIDER; + refill_threshold = + min_t(int, rx_ring->ring_size / ENA_RX_REFILL_THRESH_DIVIDER, + ENA_RX_REFILL_THRESH_PACKET); /* Optimization, try to batch new rx buffers */ if (refill_required > refill_threshold) { diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.h b/drivers/net/ethernet/amazon/ena/ena_netdev.h index a16baf0124d5..0cf35ae77884 100644 --- a/drivers/net/ethernet/amazon/ena/ena_netdev.h +++ b/drivers/net/ethernet/amazon/ena/ena_netdev.h @@ -106,10 +106,11 @@ */ #define ENA_TX_POLL_BUDGET_DIVIDER 4 -/* Refill Rx queue when number of available descriptors is below - * QUEUE_SIZE / ENA_RX_REFILL_THRESH_DIVIDER +/* Refill Rx queue when number of required descriptors is above + * QUEUE_SIZE / ENA_RX_REFILL_THRESH_DIVIDER or ENA_RX_REFILL_THRESH_PACKET */ #define ENA_RX_REFILL_THRESH_DIVIDER 8 +#define ENA_RX_REFILL_THRESH_PACKET 256 /* Number of queues to check for missing queues per timer service */ #define ENA_MONITORED_TX_QUEUES 4 |