Introduce bpf_xdp_metadata_rx_checksum() kfunc in order to load the HW
RX cheksum results in the eBPF program binded to the NIC.
Implement xmo_rx_checksum callback for veth and ice drivers.
Please note ice support changes are just compile-tested at the moment.
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Changes in RFC v2:
- Squash patch 1/6 and 2/6
- Introduce enum xdp_checksum definitions
- Rework ice support to reuse ice_rx_csum codebase
---
Lorenzo Bianconi (5):
netlink: specs: Add XDP RX checksum capability to XDP metadata specs
net: veth: Add xmo_rx_checksum callback to veth driver
net: ice: Add xmo_rx_checksum callback
selftests/bpf: Add selftest support for bpf_xdp_metadata_rx_checksum
selftests/bpf: Add bpf_xdp_metadata_rx_checksum support to xdp_hw_metadat
prog
Documentation/netlink/specs/netdev.yaml | 5 +
drivers/net/ethernet/intel/ice/ice_base.c | 1 +
drivers/net/ethernet/intel/ice/ice_txrx.h | 1 +
drivers/net/ethernet/intel/ice/ice_txrx_lib.c | 125 +++++++++++++--------
drivers/net/veth.c | 20 ++++
include/net/xdp.h | 14 +++
net/core/xdp.c | 29 +++++
.../selftests/bpf/prog_tests/xdp_metadata.c | 7 ++
.../testing/selftests/bpf/progs/xdp_hw_metadata.c | 7 ++
tools/testing/selftests/bpf/progs/xdp_metadata.c | 1 +
tools/testing/selftests/bpf/xdp_hw_metadata.c | 27 +++++
tools/testing/selftests/bpf/xdp_metadata.h | 13 +++
12 files changed, 206 insertions(+), 44 deletions(-)
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base-commit: 5e3fee34f626a8cb8715f5b5409416c481714ebf
change-id: 20250925-bpf-xdp-meta-rxcksum-900685e2909d
Best regards,
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Lorenzo Bianconi <[email protected]>
