[PATCH bpf-next v2 0/8] add netns helpers

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From: Geliang Tang <tanggeliang@xxxxxxxxxx>

This patchset addresses Alexei's comment for commit "Handle SIGINT
when creating netns" [1]. Export local helpers create_netns() and
cleanup_netns() defined in mptcp.c into network_helpers.c as generic
ones. For this another helper unshare_netns() is added to replace
the existing local helpers create_netns().

v2:
 - drop patch 9, it breaks CI
 - delete netns first before adding it in patch 4
 - move cleanup_netns behind create_netns in patch 6

[1]
https://patchwork.kernel.org/project/mptcp/patch/20240507-upstream-bpf-next-20240506-mptcp-subflow-test-v1-1-e2bcbdf49857@xxxxxxxxxx/

Geliang Tang (8):
  selftests/bpf: Add unshare_netns helper
  selftests/bpf: Use unshare_netns helper
  selftests/bpf: Drop duplicate create_netns
  selftests/bpf: Export create_netns helper
  selftests/bpf: Use create_netns helper
  selftests/bpf: Export cleanup_netns helper
  selftests/bpf: Use cleanup_netns helper
  selftests/bpf: Use netns helpers in lwt tests

 tools/testing/selftests/bpf/network_helpers.c | 68 +++++++++++++++++++
 tools/testing/selftests/bpf/network_helpers.h |  3 +
 .../selftests/bpf/prog_tests/assign_reuse.c   | 12 +---
 .../selftests/bpf/prog_tests/bind_perm.c      | 11 +--
 .../bpf/prog_tests/bpf_iter_setsockopt.c      | 13 +---
 .../bpf/prog_tests/btf_skc_cls_ingress.c      |  6 +-
 .../selftests/bpf/prog_tests/crypto_sanity.c  |  3 +-
 .../selftests/bpf/prog_tests/decap_sanity.c   |  6 +-
 .../selftests/bpf/prog_tests/fib_lookup.c     |  8 +--
 .../selftests/bpf/prog_tests/lwt_helpers.h    | 26 ++-----
 .../selftests/bpf/prog_tests/lwt_redirect.c   |  2 -
 .../selftests/bpf/prog_tests/lwt_reroute.c    |  2 -
 .../testing/selftests/bpf/prog_tests/mptcp.c  | 22 +-----
 .../bpf/prog_tests/ns_current_pid_tgid.c      |  9 +--
 .../selftests/bpf/prog_tests/setget_sockopt.c | 10 +--
 .../selftests/bpf/prog_tests/sk_assign.c      |  4 +-
 .../selftests/bpf/prog_tests/sock_destroy.c   |  9 +--
 .../selftests/bpf/prog_tests/sock_fields.c    | 13 +---
 .../bpf/prog_tests/sock_iter_batch.c          |  9 +--
 .../bpf/prog_tests/tcp_custom_syncookie.c     |  5 +-
 .../bpf/prog_tests/tcp_hdr_options.c          | 13 +---
 .../bpf/prog_tests/xdp_dev_bound_only.c       |  3 +-
 .../bpf/prog_tests/xdp_do_redirect.c          |  4 +-
 23 files changed, 106 insertions(+), 155 deletions(-)

-- 
2.43.0





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