[dpdk-dev] [PATCH v4 2/4] net/af_xdp: specify minimal and maximal MTU

[Xiaolong Ye]

Properly report mtu capability in port device info.

Reported-by: David Marchand <david.marchand at redhat.com>
Reviewed-by: David Marchand <david.marchand at redhat.com>
Signed-off-by: Xiaolong Ye <xiaolong.ye at intel.com>
---
 drivers/net/af_xdp/rte_eth_af_xdp.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/af_xdp/rte_eth_af_xdp.c b/drivers/net/af_xdp/rte_eth_af_xdp.c
index 5cc643ce2..c46916bbe 100644
--- a/drivers/net/af_xdp/rte_eth_af_xdp.c
+++ b/drivers/net/af_xdp/rte_eth_af_xdp.c
@@ -351,6 +351,9 @@ eth_dev_info(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 	dev_info->max_rx_queues = 1;
 	dev_info->max_tx_queues = 1;
 
+	dev_info->min_mtu = ETHER_MIN_MTU;
+	dev_info->max_mtu = ETH_AF_XDP_FRAME_SIZE - ETH_AF_XDP_DATA_HEADROOM;
+
 	dev_info->default_rxportconf.nb_queues = 1;
 	dev_info->default_txportconf.nb_queues = 1;
 	dev_info->default_rxportconf.ring_size = ETH_AF_XDP_DFLT_NUM_DESCS;
-- 
2.17.1