[Intel-wired-lan] [PATCH bpf RFC-V3 0/5] XDP-hints: API change for RX-hash kfunc bpf_xdp_metadata_rx_hash

Jesper Dangaard Brouer jbrouer at redhat.com
Thu Mar 30 19:04:58 UTC 2023


On 30/03/2023 20.38, Stanislav Fomichev wrote:
> On 03/30, Jesper Dangaard Brouer wrote:
>> Notice targeted 6.3-rc kernel via bpf git tree.
> 
>> Current API for bpf_xdp_metadata_rx_hash() returns the raw RSS hash value,
>> but doesn't provide information on the RSS hash type (part of 6.3-rc).
> 
>> This patchset proposal is to change the function call signature via adding
>> a pointer value argument for provide the RSS hash type.
> 
>> Alternatively we disable bpf_xdp_metadata_rx_hash() in 6.3-rc, and have
>> more time to nitpick the RSS hash-type bits.
> 
> LGTM with one nit about EMIT_BTF.
> 

Great, others please review, so I can incorporate for tomorrow.
I will send a official patchset V4 tomorrow.

--Jesper



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