linux-kernel - [PATCH bpf-next v3 0/3] xsk: TX metadata Launch Time support

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Message-Id: <20231203165129.1740512-1-yoong.siang.song@intel.com>
Date:   Mon,  4 Dec 2023 00:51:26 +0800
From:   Song Yoong Siang <yoong.siang.song@...el.com>
To:     "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Jonathan Corbet <corbet@....net>,
        Bjorn Topel <bjorn@...nel.org>,
        Magnus Karlsson <magnus.karlsson@...el.com>,
        Maciej Fijalkowski <maciej.fijalkowski@...el.com>,
        Jonathan Lemon <jonathan.lemon@...il.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Jesper Dangaard Brouer <hawk@...nel.org>,
        John Fastabend <john.fastabend@...il.com>,
        Stanislav Fomichev <sdf@...gle.com>,
        Lorenzo Bianconi <lorenzo@...nel.org>,
        Tariq Toukan <tariqt@...dia.com>,
        Willem de Bruijn <willemb@...gle.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Andrii Nakryiko <andrii@...nel.org>,
        Mykola Lysenko <mykolal@...com>,
        Martin KaFai Lau <martin.lau@...ux.dev>,
        Song Liu <song@...nel.org>,
        Yonghong Song <yonghong.song@...ux.dev>,
        KP Singh <kpsingh@...nel.org>, Hao Luo <haoluo@...gle.com>,
        Jiri Olsa <jolsa@...nel.org>, Shuah Khan <shuah@...nel.org>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Jose Abreu <joabreu@...opsys.com>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-doc@...r.kernel.org, bpf@...r.kernel.org,
        xdp-hints@...-project.net,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org,
        linux-kselftest@...r.kernel.org,
        Song Yoong Siang <yoong.siang.song@...el.com>
Subject: [PATCH bpf-next v3 0/3] xsk: TX metadata Launch Time support

This series expands XDP TX metadata framework to include ETF HW offload.

Changes since v1: (Willem)
- rename Time-Based Scheduling (TBS) to Earliest TxTime First (ETF)
- rename launch-time to txtime

Changes since v2: (Jesper & Willem)
- rename to use launch time
- change the default launch time in xdp_hw_metadata apps from 1s to 0.1s
  because some NICs do not support such a large future time.

v1: https://patchwork.kernel.org/project/netdevbpf/cover/20231130162028.852006-1-yoong.siang.song@intel.com/
v2: https://patchwork.kernel.org/project/netdevbpf/cover/20231201062421.1074768-1-yoong.siang.song@intel.com/

Song Yoong Siang (3):
  xsk: add Launch Time HW offload to XDP Tx metadata
  net: stmmac: add Launch Time support to XDP ZC
  selftests/bpf: add Launch Time request to xdp_hw_metadata

 Documentation/netlink/specs/netdev.yaml       |  4 ++++
 Documentation/networking/xsk-tx-metadata.rst  |  4 ++++
 drivers/net/ethernet/stmicro/stmmac/stmmac.h  |  2 ++
 .../net/ethernet/stmicro/stmmac/stmmac_main.c | 13 +++++++++++++
 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 +
 tools/testing/selftests/bpf/xdp_hw_metadata.c | 19 ++++++++++++++++++-
 14 files changed, 82 insertions(+), 1 deletion(-)

-- 
2.34.1