[dpdk-dev] [PATCH v2] net/ice: set min and max MTU

[Yang, Qiming]

> -----Original Message-----
> From: Zhang, Qi Z
> Sent: Tuesday, May 7, 2019 9:54 AM
> To: Lu, Wenzhuo <wenzhuo.lu at intel.com>; Yang, Qiming
> <qiming.yang at intel.com>
> Cc: Stokes, Ian <ian.stokes at intel.com>; Yigit, Ferruh
> <ferruh.yigit at intel.com>; dev at dpdk.org; Zhang, Qi Z <qi.z.zhang at intel.com>
> Subject: [PATCH v2] net/ice: set min and max MTU
> 
> This commit sets the min and max supported MTU values for ice devices via
> the ice_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: Qi Zhang <qi.z.zhang at intel.com>
> ---
> 
> v2:
> - fix typo
> 
>  drivers/net/ice/ice_ethdev.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/net/ice/ice_ethdev.c b/drivers/net/ice/ice_ethdev.c index
> 1f06a2c80..9f5f919f4 100644
> --- a/drivers/net/ice/ice_ethdev.c
> +++ b/drivers/net/ice/ice_ethdev.c
> @@ -1994,6 +1994,8 @@ ice_dev_info_get(struct rte_eth_dev *dev, struct
> rte_eth_dev_info *dev_info)
>  	dev_info->max_tx_queues = vsi->nb_qps;
>  	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 -
> ICE_ETH_OVERHEAD;
> +	dev_info->min_mtu = ETHER_MIN_MTU;
> 
>  	dev_info->rx_offload_capa =
>  		DEV_RX_OFFLOAD_VLAN_STRIP |
> --
> 2.13.6

Acked-by: Qiming Yang <qiming.yang at intel.com>