Does Mellanox ConnectX-5 Ex support RSS on ethernet layer headers alone?

[Raslan Darawsheh]

Hi Anna,
> -----Original Message-----
> From: Anna A <pacman.n908 at gmail.com>
> Sent: Wednesday, October 6, 2021 5:29 AM
> To: users at dpdk.org
> Subject: Does Mellanox ConnectX-5 Ex support RSS on ethernet layer
> headers alone?
> 
> Hi,
> 
> I'm trying to use rte_flow_action_type_rss to distribute packets all of the
> same flow type among multiple Rx queues on a single port using Mellanox
> ConnectX-5 and DPDK 20.5.
> My queries are:
> 1. Does Mellanox ConnectX-5 Ex support RSS on ethernet layer headers
> alone and spread them among multiple queues?
No not really, RSS is only supported on the 5 tuple (IP src,dst, proto / L4 src/dst)
> 2. Is it even possible to use only L2 layer headers to do RSS if not by rte_flow
> by any other API that DPDK provides?
Same it's not supported for Mellanox NIC's
> 3. Are there any documentations I could use as reference for the same?
> 
> 
> Thanks
> Anna

Kindest regards,
Raslan Darawsheh