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Subject[PATCH v3 bpf-next 00/10] bpf: per-cpu cgroup local storage
Date
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.

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 | 167 +++++++++++++++---
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 | 23 +++
tools/testing/selftests/bpf/netcnt_prog.c | 71 ++++++++
.../selftests/bpf/test_cgroup_storage.c | 60 ++++++-
tools/testing/selftests/bpf/test_netcnt.c | 153 ++++++++++++++++
tools/testing/selftests/bpf/test_verifier.c | 139 ++++++++++++++-
20 files changed, 778 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

--
2.17.1

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