Messages in this thread | | | Date | Tue, 22 Aug 2023 09:17:07 +0200 | From | Simon Horman <> | Subject | Re: [net PATCH V3 3/3] cteonxt2-pf: Fix backpressure config for multiple PFC priorities to work simultaneously |
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On Mon, Aug 21, 2023 at 10:55:16AM +0530, Suman Ghosh wrote: > MAC (CGX or RPM) asserts backpressure at TL3 or TL2 node of the egress > hierarchical scheduler tree depending on link level config done. If > there are multiple PFC priorities enabled at a time and for all such > flows to backoff, each priority will have to assert backpressure at > different TL3/TL2 scheduler nodes and these flows will need to submit > egress pkts to these nodes. > > Current PFC configuration has an issue where in only one backpressure > scheduler node is being allocated which is resulting in only one PFC > priority to work. This patch fixes this issue. > > Fixes: 99c969a83d82 ("octeontx2-pf: Add egress PFC support") > Signed-off-by: Suman Ghosh <sumang@marvell.com>
Reviewed-by: Simon Horman <horms@kernel.org>
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