[dpdk-stable] [dpdk-dev] [PATCH v1 06/38] net/mvpp2: fix frame size checking

[Michael Shamis]

Reviewed-by: Michael Shamis <michaelsh at marvell.com>

-----Original Message-----
From: dev <dev-bounces at dpdk.org> On Behalf Of lironh at marvell.com
Sent: Wednesday, December 2, 2020 12:12 PM
To: Jerin Jacob Kollanukkaran <jerinj at marvell.com>
Cc: dev at dpdk.org; Liron Himi <lironh at marvell.com>; stable at dpdk.org; Yuri Chipchev <yuric at marvell.com>
Subject: [dpdk-dev] [PATCH v1 06/38] net/mvpp2: fix frame size checking

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 dbb193496..3f05ebe00 100644
--- a/drivers/net/mvpp2/mrvl_ethdev.c
+++ b/drivers/net/mvpp2/mrvl_ethdev.c
@@ -1711,7 +1711,8 @@ 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