> Report rx queue index in xdp_frame according to the xdp_buff xdp_rxq_info
> pointer. xdp_frame queue_index is currently used in cpumap code to covert
> the xdp_frame into a xdp_buff.
> xdp_frame size is not increased adding queue_index since an alignment padding
> in the structure is used to insert queue_index field.
>
> Signed-off-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>
> ---
> include/net/xdp.h | 2 ++
> kernel/bpf/cpumap.c | 2 +-
> 2 files changed, 3 insertions(+), 1 deletion(-)
Hi Alexei and Daniel,
this patch is marked as 'new, archived' in patchwork.
Do I need to rebase and repost it?
Regards,
Lorenzo
>
> diff --git a/include/net/xdp.h b/include/net/xdp.h
> index 04c852c7a77f..3567866b0af5 100644
> --- a/include/net/xdp.h
> +++ b/include/net/xdp.h
> @@ -172,6 +172,7 @@ struct xdp_frame {
> struct xdp_mem_info mem;
> struct net_device *dev_rx; /* used by cpumap */
> u32 flags; /* supported values defined in xdp_buff_flags */
> + u32 queue_index;
> };
>
> static __always_inline bool xdp_frame_has_frags(struct xdp_frame *frame)
> @@ -301,6 +302,7 @@ struct xdp_frame *xdp_convert_buff_to_frame(struct xdp_buff *xdp)
>
> /* rxq only valid until napi_schedule ends, convert to xdp_mem_info */
> xdp_frame->mem = xdp->rxq->mem;
> + xdp_frame->queue_index = xdp->rxq->queue_index;
>
> return xdp_frame;
> }
> diff --git a/kernel/bpf/cpumap.c b/kernel/bpf/cpumap.c
> index f4860ac756cd..09a792d088b3 100644
> --- a/kernel/bpf/cpumap.c
> +++ b/kernel/bpf/cpumap.c
> @@ -228,7 +228,7 @@ static int cpu_map_bpf_prog_run_xdp(struct bpf_cpu_map_entry *rcpu,
>
> rxq.dev = xdpf->dev_rx;
> rxq.mem = xdpf->mem;
> - /* TODO: report queue_index to xdp_rxq_info */
> + rxq.queue_index = xdpf->queue_index;
>
> xdp_convert_frame_to_buff(xdpf, &xdp);
>
> --
> 2.37.1
>
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