[dpdk-dev] [PATCH v2 06/37] net/mvpp2: fix frame size checking

lironh at marvell.com lironh at marvell.com
Fri Jan 22 20:18:54 CET 2021


From: Liron Himi <lironh at marvell.com>

Need to add CRC len to the frame-size to compare against
max_rx_pkt_len which includes it.

Fixes: 79ec62028 ("net/mvpp2: update MTU and MRU related calculations")
Cc: stable at dpdk.org

Signed-off-by: Liron Himi <lironh at marvell.com>
Reviewed-by: Yuri Chipchev <yuric at marvell.com>
---
 drivers/net/mvpp2/mrvl_ethdev.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/mvpp2/mrvl_ethdev.c b/drivers/net/mvpp2/mrvl_ethdev.c
index 133006f3e..f7e3f62e3 100644
--- a/drivers/net/mvpp2/mrvl_ethdev.c
+++ b/drivers/net/mvpp2/mrvl_ethdev.c
@@ -1699,7 +1699,8 @@ mrvl_rx_queue_setup(struct rte_eth_dev *dev, uint16_t idx, uint16_t desc,
 		return -EFAULT;
 	}
 
-	frame_size = buf_size - RTE_PKTMBUF_HEADROOM - MRVL_PKT_EFFEC_OFFS;
+	frame_size = buf_size - RTE_PKTMBUF_HEADROOM -
+		     MRVL_PKT_EFFEC_OFFS + RTE_ETHER_CRC_LEN;
 	if (frame_size < max_rx_pkt_len) {
 		MRVL_LOG(WARNING,
 			"Mbuf size must be increased to %u bytes to hold up "
-- 
2.28.0



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