* [dpdk-dev] Support for configuring MTU on i40e
@ 2015-10-28 16:46 Tom Crugnale
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From: Tom Crugnale @ 2015-10-28 16:46 UTC (permalink / raw)
To: dev
Hi,
I am trying to configure the MTU through rte_eth_dev_set_mtu() on an i40e interface and noticed that the function pointer inside of the rte_eth_dev struct for mtu_set is not populated from the i40e code.
It seems that the only API that will allow for restricting the MTU is to call rte_eth_dev_configure() with the max_rx_pkt_len field set appropriately inside of the passed rte_eth_conf structure.
This makes it a bit awkward from any code that is common for all NIC types, forcing the caller to fall back on rte_eth_dev_configure() when rte_eth_dev_set_mtu() returns -ENOTSUP.
Is there any reason why an implementation for setting the MTU isn't supported through the proper API here?
Thanks,
Tom
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