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Message-Id: <cover.1671462950.git.lorenzo@kernel.org>
Date: Mon, 19 Dec 2022 16:41:29 +0100
From: Lorenzo Bianconi <lorenzo@...nel.org>
To: bpf@...r.kernel.org
Cc: netdev@...r.kernel.org, ast@...nel.org, daniel@...earbox.net,
andrii@...nel.org, davem@...emloft.net, kuba@...nel.org,
hawk@...nel.org, pabeni@...hat.com, edumazet@...gle.com,
toke@...hat.com, memxor@...il.com, alardam@...il.com,
saeedm@...dia.com, anthony.l.nguyen@...el.com, gospo@...adcom.com,
vladimir.oltean@....com, nbd@....name, john@...ozen.org,
leon@...nel.org, simon.horman@...igine.com, aelior@...vell.com,
christophe.jaillet@...adoo.fr, ecree.xilinx@...il.com,
grygorii.strashko@...com, mst@...hat.com, bjorn@...nel.org,
magnus.karlsson@...el.com, maciej.fijalkowski@...el.com,
intel-wired-lan@...ts.osuosl.org, lorenzo.bianconi@...hat.com
Subject: [RFC bpf-next 0/8] xdp: introduce xdp-feature support
Introduce the capability to export the XDP features supported by the NIC.
Introduce a XDP compliance test tool (xdp_features) to check the features
exported by the NIC match the real features supported by the driver.
Allow XDP_REDIRECT of non-linear XDP frames into a devmap.
Export XDP features for each XDP capable driver.
Kumar Kartikeya Dwivedi (1):
libbpf: add API to get XDP/XSK supported features
Lorenzo Bianconi (3):
tools: uapi: align if_link.h
bpf: devmap: check XDP features in bpf_map_update_elem and
__xdp_enqueue
selftests/bpf: introduce XDP compliance test tool
Marek Majtyka (4):
net: introduce XDP features flag
drivers: net: turn on XDP features
xsk: add usage of XDP features flags
xsk: add check for full support of XDP in bind
.../networking/netdev-xdp-features.rst | 60 ++
drivers/net/ethernet/amazon/ena/ena_netdev.c | 5 +
.../net/ethernet/aquantia/atlantic/aq_nic.c | 3 +
drivers/net/ethernet/broadcom/bnxt/bnxt.c | 2 +
drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c | 2 +
.../net/ethernet/cavium/thunder/nicvf_main.c | 2 +
.../net/ethernet/freescale/dpaa/dpaa_eth.c | 2 +
.../net/ethernet/freescale/dpaa2/dpaa2-eth.c | 1 +
.../net/ethernet/freescale/enetc/enetc_pf.c | 3 +
.../ethernet/fungible/funeth/funeth_main.c | 6 +
drivers/net/ethernet/intel/i40e/i40e_main.c | 9 +-
drivers/net/ethernet/intel/ice/ice_main.c | 5 +
drivers/net/ethernet/intel/igb/igb_main.c | 9 +-
drivers/net/ethernet/intel/igc/igc_main.c | 2 +
drivers/net/ethernet/intel/igc/igc_xdp.c | 5 +
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 5 +
.../net/ethernet/intel/ixgbevf/ixgbevf_main.c | 1 +
drivers/net/ethernet/marvell/mvneta.c | 3 +
.../net/ethernet/marvell/mvpp2/mvpp2_main.c | 3 +
.../ethernet/marvell/octeontx2/nic/otx2_pf.c | 9 +-
drivers/net/ethernet/mediatek/mtk_eth_soc.c | 5 +
.../net/ethernet/mellanox/mlx4/en_netdev.c | 2 +
.../net/ethernet/mellanox/mlx5/core/en_main.c | 9 +
drivers/net/ethernet/microsoft/mana/mana_en.c | 2 +
.../ethernet/netronome/nfp/nfp_net_common.c | 3 +
drivers/net/ethernet/qlogic/qede/qede_main.c | 2 +
drivers/net/ethernet/sfc/efx.c | 2 +
drivers/net/ethernet/sfc/siena/efx.c | 2 +
drivers/net/ethernet/socionext/netsec.c | 2 +
.../net/ethernet/stmicro/stmmac/stmmac_main.c | 1 +
drivers/net/ethernet/ti/cpsw.c | 2 +
drivers/net/ethernet/ti/cpsw_new.c | 2 +
drivers/net/hyperv/netvsc_drv.c | 2 +
drivers/net/netdevsim/netdev.c | 1 +
drivers/net/tun.c | 3 +
drivers/net/veth.c | 4 +
drivers/net/virtio_net.c | 5 +
drivers/net/xen-netfront.c | 1 +
include/linux/netdevice.h | 2 +
include/linux/xdp_features.h | 64 ++
include/net/xdp.h | 39 +
include/uapi/linux/if_link.h | 7 +
include/uapi/linux/if_xdp.h | 1 +
include/uapi/linux/xdp_features.h | 34 +
kernel/bpf/devmap.c | 25 +-
net/core/filter.c | 13 +-
net/core/rtnetlink.c | 34 +
net/xdp/xsk.c | 4 +-
net/xdp/xsk_buff_pool.c | 20 +-
tools/include/uapi/linux/if_link.h | 10 +
tools/include/uapi/linux/if_xdp.h | 1 +
tools/include/uapi/linux/xdp_features.h | 34 +
tools/lib/bpf/libbpf.h | 1 +
tools/lib/bpf/libbpf.map | 1 +
tools/lib/bpf/netlink.c | 62 ++
tools/testing/selftests/bpf/Makefile | 5 +-
.../selftests/bpf/progs/test_xdp_features.c | 235 ++++++
.../selftests/bpf/test_xdp_features.sh | 99 +++
tools/testing/selftests/bpf/xdp_features.c | 745 ++++++++++++++++++
tools/testing/selftests/bpf/xsk.c | 3 +
60 files changed, 1602 insertions(+), 24 deletions(-)
create mode 100644 Documentation/networking/netdev-xdp-features.rst
create mode 100644 include/linux/xdp_features.h
create mode 100644 include/uapi/linux/xdp_features.h
create mode 100644 tools/include/uapi/linux/xdp_features.h
create mode 100644 tools/testing/selftests/bpf/progs/test_xdp_features.c
create mode 100755 tools/testing/selftests/bpf/test_xdp_features.sh
create mode 100644 tools/testing/selftests/bpf/xdp_features.c
--
2.38.1
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