On Thu, Jun 22, 2023 at 5:07 AM Jesper D. Brouer <netdev@xxxxxxxxxx> wrote:
>
>
>
> On 21/06/2023 19.02, Stanislav Fomichev wrote:
> > Two kfuncs, one per hook point:
> >
> > 1. at submit time - bpf_devtx_sb_request_timestamp - to request HW
> > to put TX timestamp into TX completion descriptors
> >
> > 2. at completion time - bpf_devtx_cp_timestamp - to read out
> > TX timestamp
> >
> [...]
> >
> > diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
> > index 08fbd4622ccf..2fdb0731eb67 100644
> > --- a/include/linux/netdevice.h
> > +++ b/include/linux/netdevice.h
> [...]
> > struct xdp_metadata_ops {
> > int (*xmo_rx_timestamp)(const struct xdp_md *ctx, u64 *timestamp);
> > int (*xmo_rx_hash)(const struct xdp_md *ctx, u32 *hash,
> > enum xdp_rss_hash_type *rss_type);
> > + int (*xmo_sb_request_timestamp)(const struct devtx_frame *ctx);
> > + int (*xmo_cp_timestamp)(const struct devtx_frame *ctx, u64 *timestamp);
> > };
>
> The "sb" and "cp" abbreviations, what do they stand for?
SuBmit and ComPlete. Should I spell them out? Or any other suitable
abbreviation?
