From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrey Ignatov Subject: [PATCH bpf-next v2 0/3] bpf: Support socket lookup in CGROUP_SOCK_ADDR progs Date: Fri, 9 Nov 2018 10:53:59 -0800 Message-ID: Mime-Version: 1.0 Content-Type: text/plain Cc: Andrey Ignatov , , , , , To: Return-path: Received: from mx0a-00082601.pphosted.com ([67.231.145.42]:39014 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728108AbeKJEgr (ORCPT ); Fri, 9 Nov 2018 23:36:47 -0500 Received: from pps.filterd (m0044012.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id wA9IoBAK001327 for ; Fri, 9 Nov 2018 10:54:55 -0800 Received: from maileast.thefacebook.com ([199.201.65.23]) by mx0a-00082601.pphosted.com with ESMTP id 2nnfpj81br-4 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT) for ; Fri, 09 Nov 2018 10:54:55 -0800 Sender: netdev-owner@vger.kernel.org List-ID: This patch set makes bpf_sk_lookup_tcp, bpf_sk_lookup_udp and bpf_sk_release helpers available in programs of type BPF_PROG_TYPE_CGROUP_SOCK_ADDR. Patch 1 is a fix for bpf_sk_lookup_udp that was already merged to bpf (stable) tree. Here it's prerequisite for patch 3. Patch 2 is the main patch in the set, it makes the helpers available for BPF_PROG_TYPE_CGROUP_SOCK_ADDR and provides more details about use-case. Patch 3 adds selftest for new functionality. v1->v2: - remove "Split bpf_sk_lookup" patch since it was already split by: commit c8123ead13a5 ("bpf: Extend the sk_lookup() helper to XDP hookpoint."); - avoid unnecessary bpf_sock_addr_sk_lookup function. Andrey Ignatov (3): bpf: Fix IPv6 dport byte order in bpf_sk_lookup_udp bpf: Support socket lookup in CGROUP_SOCK_ADDR progs selftest/bpf: Use bpf_sk_lookup_{tcp,udp} in test_sock_addr net/core/filter.c | 50 ++++++++++++++++-- tools/testing/selftests/bpf/connect4_prog.c | 43 ++++++++++++---- tools/testing/selftests/bpf/connect6_prog.c | 56 ++++++++++++++++----- 3 files changed, 125 insertions(+), 24 deletions(-) -- 2.17.1