[PATCH ipsec-next 0/3] xfrm: interface: Add unstable helpers for XFRM metadata

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This patch series adds xfrm metadata helpers using the unstable kfunc
call interface for the TC-BPF hooks.

This allows steering traffic towards different IPsec connections based
on logic implemented in bpf programs.

The helpers are integrated into the xfrm_interface module. For this
purpose the main functionality of this module is moved to
xfrm_interface_core.c.

Eyal Birger (3):
  xfrm: interface: rename xfrm_interface.c to xfrm_interface_core.c
  xfrm: interface: Add unstable helpers for setting/getting XFRM
    metadata from TC-BPF
  selftests/bpf: add xfrm_info tests

 include/net/dst_metadata.h                    |   1 +
 include/net/xfrm.h                            |  20 +
 net/core/dst.c                                |   4 +
 net/xfrm/Makefile                             |   8 +
 net/xfrm/xfrm_interface_bpf.c                 |  92 +++++
 ...xfrm_interface.c => xfrm_interface_core.c} |  15 +
 tools/testing/selftests/bpf/config            |   2 +
 .../selftests/bpf/prog_tests/test_xfrm_info.c | 342 ++++++++++++++++++
 .../selftests/bpf/progs/test_xfrm_info_kern.c |  74 ++++
 9 files changed, 558 insertions(+)
 create mode 100644 net/xfrm/xfrm_interface_bpf.c
 rename net/xfrm/{xfrm_interface.c => xfrm_interface_core.c} (98%)
 create mode 100644 tools/testing/selftests/bpf/prog_tests/test_xfrm_info.c
 create mode 100644 tools/testing/selftests/bpf/progs/test_xfrm_info_kern.c

-- 
2.34.1




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