netdev - [PATCH bpf-next,v6 0/4] xfrm: interface: Add unstable helpers for XFRM metadata

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20221203084659.1837829-1-eyal.birger@gmail.com>
Date:   Sat,  3 Dec 2022 10:46:55 +0200
From:   Eyal Birger <eyal.birger@...il.com>
To:     davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, steffen.klassert@...unet.com,
        herbert@...dor.apana.org.au, andrii@...nel.org,
        daniel@...earbox.net, nicolas.dichtel@...nd.com,
        razor@...ckwall.org, mykolal@...com, ast@...nel.org,
        martin.lau@...ux.dev, song@...nel.org, yhs@...com,
        john.fastabend@...il.com, kpsingh@...nel.org, sdf@...gle.com,
        haoluo@...gle.com, jolsa@...nel.org, shuah@...nel.org,
        liuhangbin@...il.com, lixiaoyan@...gle.com, jtoppins@...hat.com,
        kuniyu@...zon.co.jp
Cc:     netdev@...r.kernel.org, bpf@...r.kernel.org,
        linux-kselftest@...r.kernel.org,
        Eyal Birger <eyal.birger@...il.com>
Subject: [PATCH bpf-next,v6 0/4] xfrm: interface: Add unstable helpers for XFRM metadata

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.

---

changes in v6: fix sparse warning in patch 2
changes in v5:
  - avoid cleanup of percpu dsts as detailed in patch 2
changes in v3:
  - tag bpf-next tree instead of ipsec-next
  - add IFLA_XFRM_COLLECT_METADATA sync patch

Eyal Birger (4):
  xfrm: interface: rename xfrm_interface.c to xfrm_interface_core.c
  xfrm: interface: Add unstable helpers for setting/getting XFRM
    metadata from TC-BPF
  tools: add IFLA_XFRM_COLLECT_METADATA to uapi/linux/if_link.h
  selftests/bpf: add xfrm_info tests

 include/net/dst_metadata.h                    |   1 +
 include/net/xfrm.h                            |  17 +
 net/core/dst.c                                |   8 +-
 net/core/filter.c                             |   9 +
 net/xfrm/Makefile                             |   8 +
 net/xfrm/xfrm_interface_bpf.c                 | 115 ++++++
 ...xfrm_interface.c => xfrm_interface_core.c} |  14 +
 tools/include/uapi/linux/if_link.h            |   1 +
 tools/testing/selftests/bpf/DENYLIST.s390x    |   1 +
 tools/testing/selftests/bpf/config            |   2 +
 .../selftests/bpf/prog_tests/xfrm_info.c      | 365 ++++++++++++++++++
 .../selftests/bpf/progs/bpf_tracing_net.h     |   3 +
 tools/testing/selftests/bpf/progs/xfrm_info.c |  35 ++
 13 files changed, 577 insertions(+), 2 deletions(-)
 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/xfrm_info.c
 create mode 100644 tools/testing/selftests/bpf/progs/xfrm_info.c

-- 
2.34.1