From: David Arinzon darinzon@amazon.com
[ 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 darinzon@amazon.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin sashal@kernel.org --- 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 083754e0bf23..b25a2fcff339 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. */