[PATCH 12/12] net/thunderx: populate max and min MTU values

Harman Kalra hkalra at marvell.com
Tue May 17 19:39:41 CEST 2022


From: Hanumanth Pothula <hpothula at marvell.com>

Populate maximum and minimum MTU values while retrieving
device information.

Signed-off-by: Hanumanth Pothula <hpothula at marvell.com>
---
 drivers/net/thunderx/nicvf_ethdev.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/thunderx/nicvf_ethdev.c b/drivers/net/thunderx/nicvf_ethdev.c
index 0f79b02172..262c024560 100644
--- a/drivers/net/thunderx/nicvf_ethdev.c
+++ b/drivers/net/thunderx/nicvf_ethdev.c
@@ -1479,6 +1479,10 @@ nicvf_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 	dev_info->max_mac_addrs = 1;
 	dev_info->max_vfs = pci_dev->max_vfs;
 
+	dev_info->max_mtu = dev_info->max_rx_pktlen -
+				(RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN);
+	dev_info->min_mtu = dev_info->min_rx_bufsize - NIC_HW_L2_OVERHEAD;
+
 	dev_info->rx_offload_capa = NICVF_RX_OFFLOAD_CAPA;
 	dev_info->tx_offload_capa = NICVF_TX_OFFLOAD_CAPA;
 	dev_info->rx_queue_offload_capa = NICVF_RX_OFFLOAD_CAPA;
-- 
2.18.0



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