Re: [PATCH RFC 0/4] Add XDP RX queue index metadata via kfuncs

Stanislav Fomichev
2025-09-23T20:45:16Z

On 09/23, Mehdi Ben Hadj Khelifa wrote:
> ---
> Mehdi Ben Hadj Khelifa (4):
> netlink: specs: Add XDP RX queue index to XDP metadata
> net: xdp: Add xmo_rx_queue_index callback
> uapi: netdev: Add XDP RX queue index metadata flags
> net: veth: Implement RX queue index XDP hint
>
> Documentation/netlink/specs/netdev.yaml | 5 +++++
> drivers/net/veth.c | 12 ++++++++++++
> include/net/xdp.h | 5 +++++
> include/uapi/linux/netdev.h | 3 +++
> net/core/xdp.c | 15 +++++++++++++++
> tools/include/uapi/linux/netdev.h | 3 +++
> 6 files changed, 43 insertions(+)
> ---
> base-commit: 07e27ad16399afcd693be20211b0dfae63e0615f
> this is the commit of tag: v6.17-rc7 on the mainline.
> This patch series is intended to make a base for setting
> queue_index in the xdp_rxq_info struct in bpf/cpumap.c to
> the right index. Although that part I still didn't figure
> out yet,I m searching for my guidance to do that as well
> as for the correctness of the patches in this series.

But why do you need a kfunc getter? You can already get rxq index
via xdp_md rx_queue_index.