On Mon, May 2, 2022 at 2:12 PM Mat Martineau <mathew.j.martineau@xxxxxxxxxxxxxxx> wrote: > > This patch set adds BPF access to the is_mptcp flag in tcp_sock and > access to mptcp_sock structures, along with associated self tests. You > may recognize some of the code from earlier > (https://lore.kernel.org/bpf/20200918121046.190240-6-nicolas.rybowski@xxxxxxxxxxxx/) > but it has been reworked quite a bit. > > > v1 -> v2: Emit BTF type, add func_id checks in verifier.c and bpf_trace.c, > remove build check for CONFIG_BPF_JIT, add selftest check for CONFIG_MPTCP, > and add a patch to include CONFIG_IKCONFIG/CONFIG_IKCONFIG_PROC for the > BPF self tests. > > v2 -> v3: Access sysctl through the filesystem to work around CI use of > the more limited busybox sysctl command. > > > Geliang Tang (6): > bpf: add bpf_skc_to_mptcp_sock_proto > selftests: bpf: Enable CONFIG_IKCONFIG_PROC in config > selftests: bpf: test bpf_skc_to_mptcp_sock > selftests: bpf: verify token of struct mptcp_sock > selftests: bpf: verify ca_name of struct mptcp_sock > selftests: bpf: verify first of struct mptcp_sock > It would be nice to use more consistent with the majority of other commits "selftests/bpf: " prefix. Thank you. > Nicolas Rybowski (2): > bpf: expose is_mptcp flag to bpf_tcp_sock > selftests: bpf: add MPTCP test base > > MAINTAINERS | 2 + > include/linux/bpf.h | 1 + > include/linux/btf_ids.h | 3 +- > include/net/mptcp.h | 6 + > include/uapi/linux/bpf.h | 8 + > kernel/bpf/verifier.c | 1 + > kernel/trace/bpf_trace.c | 2 + > net/core/filter.c | 27 +- > net/mptcp/Makefile | 2 + > net/mptcp/bpf.c | 22 ++ > scripts/bpf_doc.py | 2 + > tools/include/uapi/linux/bpf.h | 8 + > .../testing/selftests/bpf/bpf_mptcp_helpers.h | 17 ++ > tools/testing/selftests/bpf/bpf_tcp_helpers.h | 4 + > tools/testing/selftests/bpf/config | 3 + > tools/testing/selftests/bpf/network_helpers.c | 43 ++- > tools/testing/selftests/bpf/network_helpers.h | 4 + > .../testing/selftests/bpf/prog_tests/mptcp.c | 272 ++++++++++++++++++ > .../testing/selftests/bpf/progs/mptcp_sock.c | 80 ++++++ > 19 files changed, 497 insertions(+), 10 deletions(-) > create mode 100644 net/mptcp/bpf.c > create mode 100644 tools/testing/selftests/bpf/bpf_mptcp_helpers.h > create mode 100644 tools/testing/selftests/bpf/prog_tests/mptcp.c > create mode 100644 tools/testing/selftests/bpf/progs/mptcp_sock.c > > > base-commit: 20b87e7c29dffcfa3f96f2e99daec84fd46cabdb > -- > 2.36.0 >