Song Yoong Siang wrote: > This patch extends the XDP Tx metadata framework to include Time-Based > Scheduling (TBS) support where the NIC will schedule a packet for > transmission at a pre-determined time called launch time. The value of > launch time is communicated from user space to Ethernet driver via > launch_time field of struct xsk_tx_metadata. > > Suggested-by: Stanislav Fomichev <sdf@xxxxxxxxxx> > Signed-off-by: Song Yoong Siang <yoong.siang.song@xxxxxxxxx> > --- > Documentation/netlink/specs/netdev.yaml | 4 ++++ > Documentation/networking/xsk-tx-metadata.rst | 5 +++++ > include/net/xdp_sock.h | 10 ++++++++++ > include/net/xdp_sock_drv.h | 1 + > include/uapi/linux/if_xdp.h | 9 +++++++++ > include/uapi/linux/netdev.h | 3 +++ > net/core/netdev-genl.c | 2 ++ > net/xdp/xsk.c | 3 +++ > tools/include/uapi/linux/if_xdp.h | 9 +++++++++ > tools/include/uapi/linux/netdev.h | 3 +++ > tools/net/ynl/generated/netdev-user.c | 1 + > 11 files changed, 50 insertions(+) > > diff --git a/Documentation/netlink/specs/netdev.yaml b/Documentation/netlink/specs/netdev.yaml > index 00439bcbd2e3..a602776bbfb4 100644 > --- a/Documentation/netlink/specs/netdev.yaml > +++ b/Documentation/netlink/specs/netdev.yaml > @@ -66,6 +66,10 @@ definitions: > name: tx-checksum > doc: > L3 checksum HW offload is supported by the driver. > + - > + name: launch-time > + doc: > + HW Time-Based Scheduling (TBS) is supported by the driver. Can we avoid introducing another term? We already have too many: launchtime, earliest delivery time (EDT), SO_TXTIME, pacing offload, earliest txtime first (ETF).
