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[2/8] net/iavf: set min and max MTU for VF

Message ID 20200927072626.28374-3-robinx.zhang@intel.com (mailing list archive)
State Accepted, archived
Delegated to: Qi Zhang
Headers show
Series feature porting from i40evf to iavf | expand


Context Check Description
ci/checkpatch success coding style OK

Commit Message

Robin Zhang Sept. 27, 2020, 7:26 a.m. UTC
This commit sets the min and max supported MTU values for iavf VF
devices via the iavf_dev_info_get() function. Min MTU supported
is set to RTE_ETHER_MIN_MTU and max MTU is calculated as the max
packet length supported minus the transport overhead.

Signed-off-by: Robin Zhang <robinx.zhang@intel.com>
 drivers/net/iavf/iavf_ethdev.c | 2 ++
 1 file changed, 2 insertions(+)
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diff --git a/drivers/net/iavf/iavf_ethdev.c b/drivers/net/iavf/iavf_ethdev.c
index 95c71e16f..d21e35c17 100644
--- a/drivers/net/iavf/iavf_ethdev.c
+++ b/drivers/net/iavf/iavf_ethdev.c
@@ -540,6 +540,8 @@  iavf_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 	dev_info->max_tx_queues = vf->vsi_res->num_queue_pairs;
 	dev_info->min_rx_bufsize = IAVF_BUF_SIZE_MIN;
 	dev_info->max_rx_pktlen = IAVF_FRAME_SIZE_MAX;
+	dev_info->max_mtu = dev_info->max_rx_pktlen - IAVF_ETH_OVERHEAD;
+	dev_info->min_mtu = RTE_ETHER_MIN_MTU;
 	dev_info->hash_key_size = vf->vf_res->rss_key_size;
 	dev_info->reta_size = vf->vf_res->rss_lut_size;
 	dev_info->flow_type_rss_offloads = IAVF_RSS_OFFLOAD_ALL;