[dpdk-dev] [PATCH 1/7] net/iavf: fix scattered Rx enabling

[SteveX Yang]

No need to add additional vlan tag size for max packet size, since
for i40e, the queue's Rx Max Frame Size (rxq->max_pkt_len) already
includes the vlan header size.

Fixes: 69dd4c3d0898 ("net/avf: enable queue and device")

Signed-off-by: SteveX Yang <stevex.yang at intel.com>
---
 drivers/net/iavf/iavf_ethdev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/iavf/iavf_ethdev.c b/drivers/net/iavf/iavf_ethdev.c
index c3aa4cd72..f9dd5710c 100644
--- a/drivers/net/iavf/iavf_ethdev.c
+++ b/drivers/net/iavf/iavf_ethdev.c
@@ -253,7 +253,7 @@ iavf_init_rxq(struct rte_eth_dev *dev, struct iavf_rx_queue *rxq)
 
 	rxq->max_pkt_len = max_pkt_len;
 	if ((dev_data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_SCATTER) ||
-	    (rxq->max_pkt_len + 2 * IAVF_VLAN_TAG_SIZE) > buf_size) {
+	    rxq->max_pkt_len > buf_size) {
 		dev_data->scattered_rx = 1;
 	}
 	IAVF_PCI_REG_WRITE(rxq->qrx_tail, rxq->nb_rx_desc - 1);
-- 
2.17.1