From eff3be564b50e3ea4df6ff7cbfa4be078f8a1bc3 Mon Sep 17 00:00:00 2001 From: David Arinzon Date: Thu, 29 Dec 2022 07:30:10 +0000 Subject: [PATCH] net: ena: Set default value for RX interrupt moderation [ Upstream commit e712f3e4920b3a1a5e6b536827d118e14862896c ] RX ring can be NULL in XDP use cases where only TX queues are configured. In this scenario, the RX interrupt moderation value sent to the device remains in its default value of 0. In this change, setting the default value of the RX interrupt moderation to be the same as of the TX. Fixes: 548c4940b9f1 ("net: ena: Implement XDP_TX action") Signed-off-by: David Arinzon Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/amazon/ena/ena_netdev.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c index 663f9cd..c4aff71 100644 --- a/drivers/net/ethernet/amazon/ena/ena_netdev.c +++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c @@ -1823,8 +1823,9 @@ static void ena_adjust_adaptive_rx_intr_moderation(struct ena_napi *ena_napi) static void ena_unmask_interrupt(struct ena_ring *tx_ring, struct ena_ring *rx_ring) { + u32 rx_interval = tx_ring->smoothed_interval; struct ena_eth_io_intr_reg intr_reg; - u32 rx_interval = 0; + /* Rx ring can be NULL when for XDP tx queues which don't have an * accompanying rx_ring pair. */ -- 2.7.4