From patchwork Fri Feb 7 10:35:57 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geliang Tang X-Patchwork-Id: 13964763 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 2778753A7 for ; Fri, 7 Feb 2025 10:36:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738924569; cv=none; b=pKke/jbMj6mpE7LTcvx1JK1bLJyT2M9+aPOA3CJ5qRKZrfkMlusWNrMmXZMEsYyFZ9ZS53acYaScmL+91v83qBh88MbaHPia3oIhr8O6jBr+jshXLgMqYvr8roioGjtyJO6/TSuw2Dh3y5ti1qFwt4Qfr6N2/5fHKlOFqbMzivo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738924569; c=relaxed/simple; bh=mwgMkqa1369sdISKtn1ij0xR/QkIM+uRr/lRcyQMOoQ=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=DCFezIHYRszHJruF+CuDSj/wOJD4k8z0U+SNqXdHvAua+wife1UBXEHY6NRlquINFwVycv52rjXgx3MEb7a1L4E+ouZST0a64NreMjQEhjX3RBqokzdomY3CB7qA4Lm6adRlNdy92Gu90dBS+JshKL1/xFBIPXZrv1ZHG0FnUq0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=gpoBptbl; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="gpoBptbl" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9CE44C4CED1; Fri, 7 Feb 2025 10:36:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1738924568; bh=mwgMkqa1369sdISKtn1ij0xR/QkIM+uRr/lRcyQMOoQ=; h=From:To:Cc:Subject:Date:From; b=gpoBptblB8FIdi4d6fpYeNqTINntSWkNL4nTYNu/pbArVsSr1zVKazQXsmSQfhsM5 9F83lOJcVcM5EIfogOwEpeT3uhkJVZEnnWNNLRWFh+CHkEBsGH9Cg9YFhbRKv9bPxu Wburcmvpb7ABlqa3nVHaRfN2Dvr6VWUwsrm1zjSp49b17upRxAc1HkLHlMfshpPmBU RKz9cdIZd7lle8GHVfDF7+qo/cgRyY/70HiYVPenNzBdT9KzQ75ek8WxuTMIe3q8hY GZqP9As+6Ae/eTSeob1UhJf5dzOEpJPUcSNvJk2r8Wh1whmCVuH9TCHSi+rRe4E3/u uM14nI/6SFCQg== From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next v5 0/5] add mptcp_address bpf_iter Date: Fri, 7 Feb 2025 18:35:57 +0800 Message-ID: X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Geliang Tang v5: - use "struct sock *sk" instead of "struct mptcp-sock *msk" as the argument of bpf_iter_mptcp_userspace_pm_addr_new() in patch 3. - update patch 5. v4: - patch 3, use spin_is_locked() instead of lockdep_assert_held(). - patch 5, use ipv4_is_private_10() for the selftests instead of using ipv6_addr_v4mapped(). v3: - rename mptcp_address to mptcp_userspace_pm_addr as I mentioned in [1]. - rebased. [1] https://patchwork.kernel.org/project/mptcp/patch/b6b53fd730a0edd0024963468d078488ad5e67aa.1729588019.git.tanggeliang@kylinos.cn/ v2: - squash patches 5,6 of v1 into one. - patch 3, use lockdep_assert_held instead of spin_is_locked. - update patch 5 to make it run normally in btf-debug mode. Another bpf_iter for BPF path manager to traverse all address entries on userspace_pm_local_addr_list of an MPTCP socket is added in this set. Userspace pm tool is needed by the self test, so add pm_nl_ctl link in patch 1. Geliang Tang (5): selftests/bpf: Add mptcp pm_nl_ctl link selftests/bpf: Use pm_nl_ctl if ip mptcp not supported bpf: Add mptcp_userspace_pm_addr bpf_iter bpf: Export more helpers for mptcp_userspace_pm_addr test selftests/bpf: Add mptcp_userspace_pm_addr bpf_iter subtest MAINTAINERS | 1 + net/mptcp/bpf.c | 72 ++++++ tools/testing/selftests/bpf/Makefile | 4 +- .../testing/selftests/bpf/bpf_experimental.h | 8 + tools/testing/selftests/bpf/mptcp_pm_nl_ctl.c | 1 + .../testing/selftests/bpf/prog_tests/mptcp.c | 235 +++++++++++++++++- tools/testing/selftests/bpf/progs/mptcp_bpf.h | 5 + .../selftests/bpf/progs/mptcp_bpf_iters.c | 34 +++ 8 files changed, 351 insertions(+), 9 deletions(-) create mode 120000 tools/testing/selftests/bpf/mptcp_pm_nl_ctl.c