From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BA85E3D87 for ; Fri, 6 May 2022 23:06:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1651878370; x=1683414370; h=date:from:to:cc:subject:in-reply-to:message-id: references:mime-version; bh=6xCto8HgjqyOAqSSXJ7ouSaD06rWT4pfATBVmW3c+gM=; b=bfLHp74PG/Z0KFbkPKhRmVGhvV6xxwE6DhRGskUVqjpf/l0MlcoXDgpl gDD8sXPe78Kt98WZzDu81DokgF6OLzwrwew4zD/0BWJkWyJKJ1PpxZavz S3/SWeGnX/GKaMblZES3D4A+5ddao1KseWP+Z1pbx5yLcq0Iyub1hq5TH kWDrOvjiqUfZyPSElD6M4WqV4yaBIMO+xI75EnWSTFNurqxoQUsyJdWYR bm7501wCqd+hQozVZhvDdlQ++ORQ64/FtuQGrsKS/fCgxGE9LybFb8367 tkXFNxf+AE+KN3XrXtbvu6na5mhBPN8Ug+HYoJ+rnEPM11VYmPxYucWzR w==; X-IronPort-AV: E=McAfee;i="6400,9594,10339"; a="266190360" X-IronPort-AV: E=Sophos;i="5.91,205,1647327600"; d="scan'208";a="266190360" Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 May 2022 16:06:10 -0700 X-IronPort-AV: E=Sophos;i="5.91,205,1647327600"; d="scan'208";a="569290890" Received: from jrbond-mobl1.amr.corp.intel.com ([10.212.218.216]) by fmsmga007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 May 2022 16:06:09 -0700 Date: Fri, 6 May 2022 16:06:09 -0700 (PDT) From: Mat Martineau To: Andrii Nakryiko cc: Networking , bpf , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , mptcp@lists.linux.dev Subject: Re: [PATCH bpf-next v3 0/8] bpf: mptcp: Support for mptcp_sock and is_mptcp In-Reply-To: Message-ID: <90f2f50-493e-8949-ea96-9fb6df9b263@linux.intel.com> References: <20220502211235.142250-1-mathew.j.martineau@linux.intel.com> Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed On Fri, 6 May 2022, Andrii Nakryiko wrote: > On Mon, May 2, 2022 at 2:12 PM Mat Martineau > 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@tessares.net/) >> 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. Sure, we'll update those prefixes and address your comments in the individual patches. Thanks for the review. - Mat > >> 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 >> > -- Mat Martineau Intel