Hi, > -----Original Message----- > From: dev <[email protected]> On Behalf Of Lior Margalit > Sent: Thursday, October 14, 2021 9:22 AM > To: Matan Azrad <[email protected]> > Cc: Lior Margalit <[email protected]>; [email protected]; [email protected] > Subject: [dpdk-dev] [PATCH v1] net/mlx5: fix RSS expansion for L2/L3 VXLAN > > The RSS expansion algorithm is using a graph to find the possible expansion > paths. The current implementation does not differentiate between standard > (L2) VXLAN and L3 VXLAN. As result the flow is expanded with all possible > paths. > For example: > testpmd> flow create... / vxlan / end actions rss level 2 / end > It is currently expanded to the following paths: > ETH IPV4 UDP VXLAN END > ETH IPV4 UDP VXLAN ETH IPV4 END > ETH IPV4 UDP VXLAN ETH IPV6 END > ETH IPV4 UDP VXLAN IPV4 END > ETH IPV4 UDP VXLAN IPV6 END > > The fix is to adjust the expansion according to the outer UDP destination > port. In case flow pattern defines a match on the standard udp port, 4789, or > does not define a match on the destination port, which also implies setting > the standard one, the expansion for the above example will be: > ETH IPV4 UDP VXLAN END > ETH IPV4 UDP VXLAN ETH IPV4 END > ETH IPV4 UDP VXLAN ETH IPV6 END > Otherwise, the expansion will be: > ETH IPV4 UDP VXLAN END > ETH IPV4 UDP VXLAN IPV4 END > ETH IPV4 UDP VXLAN IPV6 END > > Fixes: f4f06e361516 ("net/mlx5: add flow VXLAN item") > Cc: [email protected] > > Signed-off-by: Lior Margalit <[email protected]> > Acked-by: Matan Azrad <[email protected]>
Patch applied to next-net-mlx, Kindest regards, Raslan Darawsheh
