[PATCH 3/3] net/qede: fix max Rx pktlen calculation

Devendra Singh Rawat dsinghrawat at marvell.com
Fri Mar 4 13:08:33 CET 2022


size of CRC is not added to max_rx_pktlen, due to this bigger sized
packets(size 1480, 1490 1500) are being dropped.
This fix adds RTE_ETHER_CRC_LEN to max_rx_pktlen.

Fixes: 1bb4a528c41f ("ethdev: fix max Rx packet length")
Cc: stable at dpdk.org

Signed-off-by: Devendra Singh Rawat <dsinghrawat at marvell.com>
Signed-off-by: Rasesh Mody <rmody at marvell.com>
---
 drivers/net/qede/qede_rxtx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/qede/qede_rxtx.c b/drivers/net/qede/qede_rxtx.c
index 02fa1fcaa1..c35585f5fd 100644
--- a/drivers/net/qede/qede_rxtx.c
+++ b/drivers/net/qede/qede_rxtx.c
@@ -235,7 +235,7 @@ qede_rx_queue_setup(struct rte_eth_dev *dev, uint16_t qid,
 		dev->data->rx_queues[qid] = NULL;
 	}
 
-	max_rx_pktlen = dev->data->mtu + RTE_ETHER_HDR_LEN;
+	max_rx_pktlen = dev->data->mtu + RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN;
 
 	/* Fix up RX buffer size */
 	bufsz = (uint16_t)rte_pktmbuf_data_room_size(mp) - RTE_PKTMBUF_HEADROOM;
-- 
2.18.2



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