2014-07-18 10:45, Helin Zhang:
> i40e can support RSS no matter if SR-IOV is enabled or not, while
> ixgbe/igb can not support RSS if it is SR-IOV. Code changes are
> needed to support i40e RSS if SR-IOV is enabled.
[...]
> - /* In SR-IOV mode, RSS mode is not available */
> - if (port->dcb_flag == 0 && port->dev_info.max_vfs == 0) {
> + /**
> + * For i40e, RSS is always available.
> + * For non-i40e, RSS is available in non-SRIOV mode,
> + * according to datasheet.
> + */
> + if (port->dcb_flag == 0 &&
> + ((port->dev_info.max_vfs == 0) ||
> + (!strcmp(port->dev_info.driver_name,
> + "rte_i40e_pmd")) ||
> + (!strcmp(port->dev_info.driver_name,
> + "rte_i40evf_pmd")))) {
This kind of knowledge should be coded in the drivers.
Application writer doesn't have to read the datasheet to use the drivers.
I think returning an error in the driver could be enough to handle it at
application level.
Thanks
--
Thomas
