[Intel-wired-lan] using XPS on Intel i40e

Kushal Gautam kushal.gautam at gmail.com
Sun Sep 16 07:55:34 UTC 2018


Hi:

I am using the Intel i40e driver from kernel source tree of Kernel 4.15.12
My NIC is Intel X710.

I am composing and sending a packet from my custom kernel module as:

...
skb->dev->netdev_ops->ndo_start_xmit(skb, skb->dev);
...

Just like FDIR on the receiving side, is it possible to have a similar
configuration on the sending side?

For instance, I want my packets sent via kernel module to pass through
TX-Queue 5. Right now all my packets are being sent through just Tx-Queue
0. And maybe after that, it would make sense to use XPS(
https://github.com/torvalds/linux/blob/v3.13/Documentation/networking/scaling.txt#L364
)

Regards,
Kushal.
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