From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roman Gushchin Subject: [PATCH v4 bpf-next 00/10] bpf: per-cpu cgroup local storage Date: Fri, 28 Sep 2018 14:45:33 +0000 Message-ID: <20180928144452.5284-1-guro@fb.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Cc: "linux-kernel@vger.kernel.org" , Kernel Team , Roman Gushchin To: "netdev@vger.kernel.org" Return-path: Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org This patchset implements per-cpu cgroup local storage and provides an example how per-cpu and shared cgroup local storage can be used for efficient accounting of network traffic. v4->v3: 1) incorporated Alexei's feedback v3->v2: 1) incorporated Song's feedback 2) rebased on top of current bpf-next v2->v1: 1) added a selftest implementing network counters 2) added a missing free() in cgroup local storage selftest Roman Gushchin (10): bpf: extend cgroup bpf core to allow multiple cgroup storage types bpf: rework cgroup storage pointer passing bpf: introduce per-cpu cgroup local storage bpf: don't allow create maps of per-cpu cgroup local storages bpf: sync include/uapi/linux/bpf.h to tools/include/uapi/linux/bpf.h bpftool: add support for PERCPU_CGROUP_STORAGE maps selftests/bpf: add verifier per-cpu cgroup storage tests selftests/bpf: extend the storage test to test per-cpu cgroup storage samples/bpf: extend test_cgrp2_attach2 test to use per-cpu cgroup storage selftests/bpf: cgroup local storage-based network counters include/linux/bpf-cgroup.h | 55 ++++-- include/linux/bpf.h | 12 +- include/linux/bpf_types.h | 1 + include/uapi/linux/bpf.h | 1 + kernel/bpf/cgroup.c | 74 +++++--- kernel/bpf/helpers.c | 25 ++- kernel/bpf/local_storage.c | 169 +++++++++++++++--- kernel/bpf/map_in_map.c | 3 +- kernel/bpf/syscall.c | 20 ++- kernel/bpf/verifier.c | 23 ++- net/bpf/test_run.c | 20 ++- samples/bpf/test_cgrp2_attach2.c | 19 +- tools/bpf/bpftool/map.c | 4 +- tools/include/uapi/linux/bpf.h | 1 + tools/testing/selftests/bpf/Makefile | 6 +- tools/testing/selftests/bpf/netcnt_common.h | 24 +++ tools/testing/selftests/bpf/netcnt_prog.c | 71 ++++++++ .../selftests/bpf/test_cgroup_storage.c | 60 ++++++- tools/testing/selftests/bpf/test_netcnt.c | 158 ++++++++++++++++ tools/testing/selftests/bpf/test_verifier.c | 139 +++++++++++++- 20 files changed, 786 insertions(+), 99 deletions(-) create mode 100644 tools/testing/selftests/bpf/netcnt_common.h create mode 100644 tools/testing/selftests/bpf/netcnt_prog.c create mode 100644 tools/testing/selftests/bpf/test_netcnt.c --=20 2.17.1