[v3,2/7] net/i40e: set min and max MTU for i40e devices

Message ID 20190329175219.23831-2-ferruh.yigit@intel.com
State Accepted, archived
Delegated to: Ferruh Yigit
Headers show
Series
  • [v3,1/7] ethdev: add min/max MTU to device info
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Context Check Description
ci/checkpatch success coding style OK

Commit Message

Ferruh Yigit March 29, 2019, 5:52 p.m.
From: Ian Stokes <ian.stokes@intel.com>

This commit sets the min and max supported MTU values for i40e devices
via the i40e_dev_info_get() function. Min MTU supported is set to
ETHER_MIN_MTU and max mtu is calculated as the max packet length
supported minus the transport overhead.

Signed-off-by: Ian Stokes <ian.stokes@intel.com>
---
 drivers/net/i40e/i40e_ethdev.c | 2 ++
 1 file changed, 2 insertions(+)

Patch

diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index 3815aef6c..891bdc061 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -3499,6 +3499,8 @@  i40e_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 	dev_info->max_rx_pktlen = I40E_FRAME_SIZE_MAX;
 	dev_info->max_mac_addrs = vsi->max_macaddrs;
 	dev_info->max_vfs = pci_dev->max_vfs;
+	dev_info->max_mtu = dev_info->max_rx_pktlen - I40E_ETH_OVERHEAD;
+	dev_info->min_mtu = ETHER_MIN_MTU;
 	dev_info->rx_queue_offload_capa = 0;
 	dev_info->rx_offload_capa =
 		DEV_RX_OFFLOAD_VLAN_STRIP |