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Date: Sun, 28 Apr 2019 12:59:09 +0200
From: Daniel Borkmann <daniel@...earbox.net>
To: davem@...emloft.net
Cc: daniel@...earbox.net, ast@...nel.org, netdev@...r.kernel.org,
bpf@...r.kernel.org
Subject: pull-request: bpf-next 2019-04-28
Hi David,
The following pull-request contains BPF updates for your *net-next* tree.
The main changes are:
1) Introduce BPF socket local storage map so that BPF programs can store
private data they associate with a socket (instead of e.g. separate hash
table), from Martin.
2) Add support for bpftool to dump BTF types. This is done through a new
`bpftool btf dump` sub-command, from Andrii.
3) Enable BPF-based flow dissector for skb-less eth_get_headlen() calls which
was currently not supported since skb was used to lookup netns, from Stanislav.
4) Add an opt-in interface for tracepoints to expose a writable context
for attached BPF programs, used here for NBD sockets, from Matt.
5) BPF xadd related arm64 JIT fixes and scalability improvements, from Daniel.
6) Change the skb->protocol for bpf_skb_adjust_room() helper in order to
support tunnels such as sit. Add selftests as well, from Willem.
7) Various smaller misc fixes.
Please consider pulling these changes from:
git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git
Thanks a lot!
----------------------------------------------------------------
The following changes since commit 7e6e185c74dd8a8dc539300c079adc6bc27045d6:
net: systemport: Remove need for DMA descriptor (2019-04-22 22:20:15 -0700)
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git
for you to fetch changes up to 9076c49bdca2aa68c805f2677b2bccc4bde2bac1:
Merge branch 'sk-local-storage' (2019-04-27 09:07:49 -0700)
----------------------------------------------------------------
Alexei Starovoitov (4):
Merge branch 'libbpf-fixes'
Merge branch 'btf-dump'
Merge branch 'writeable-bpf-tracepoints'
Merge branch 'sk-local-storage'
Andrew Hall (1):
nbd: add tracepoints for send/receive timing
Andrii Nakryiko (4):
bpftool: add ability to dump BTF types
bpftool/docs: add btf sub-command documentation
bpftool: add bash completions for btf command
bpftool: fix indendation in bash-completion/bpftool
Benjamin Poirier (1):
bpftool: Fix errno variable usage
Daniel Borkmann (6):
Merge branch 'bpf-eth-get-headlen'
Merge branch 'bpf-proto-fixes'
bpf, libbpf: handle old kernels more graceful wrt global data sections
bpf, libbpf: fix segfault in bpf_object__init_maps' pr_debug statement
bpf, arm64: remove prefetch insn in xadd mapping
bpf, arm64: use more scalable stadd over ldxr / stxr loop in xadd
Daniel T. Lee (2):
libbpf: fix samples/bpf build failure due to undefined UINT32_MAX
samples: bpf: add hbm sample to .gitignore
Martin KaFai Lau (7):
bpf: Introduce bpf sk local storage
bpf: Sync bpf.h to tools
bpf: Support BPF_MAP_TYPE_SK_STORAGE in bpf map probing
bpf: Refactor BTF encoding macro to test_btf.h
bpf: Add verifier tests for the bpf_sk_storage
bpf: Add BPF_MAP_TYPE_SK_STORAGE test to test_maps
bpf: Add ene-to-end test for bpf_sk_storage_* helpers
Matt Mullins (4):
bpf: add writable context for raw tracepoints
nbd: trace sending nbd requests
tools: sync bpf.h
selftests: bpf: test writable buffers in raw tps
Stanislav Fomichev (11):
flow_dissector: switch kernel context to struct bpf_flow_dissector
bpf: when doing BPF_PROG_TEST_RUN for flow dissector use no-skb mode
net: plumb network namespace into __skb_flow_dissect
flow_dissector: handle no-skb use case
net: pass net_device argument to the eth_get_headlen
selftests/bpf: add flow dissector bpf_skb_load_bytes helper test
selftests/bpf: run flow dissector tests in skb-less mode
selftests/bpf: properly return error from bpf_flow_load
bpf/flow_dissector: don't adjust nhoff by ETH_HLEN in BPF_PROG_TEST_RUN
bpf: support BPF_PROG_QUERY for BPF_FLOW_DISSECTOR attach_type
bpftool: show flow_dissector attachment status
Willem de Bruijn (2):
bpf: update skb->protocol in bpf_skb_net_grow
selftests/bpf: expand test_tc_tunnel with SIT encap
MAINTAINERS | 1 +
arch/arm64/include/asm/insn.h | 8 +
arch/arm64/kernel/insn.c | 40 +
arch/arm64/net/bpf_jit.h | 8 +-
arch/arm64/net/bpf_jit_comp.c | 29 +-
drivers/block/nbd.c | 13 +
drivers/net/ethernet/aquantia/atlantic/aq_ring.c | 3 +-
drivers/net/ethernet/broadcom/bnxt/bnxt.c | 2 +-
drivers/net/ethernet/hisilicon/hns/hns_enet.c | 2 +-
drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 2 +-
drivers/net/ethernet/intel/fm10k/fm10k_main.c | 2 +-
drivers/net/ethernet/intel/i40e/i40e_txrx.c | 3 +-
drivers/net/ethernet/intel/iavf/iavf_txrx.c | 2 +-
drivers/net/ethernet/intel/ice/ice_txrx.c | 2 +-
drivers/net/ethernet/intel/igb/igb_main.c | 2 +-
drivers/net/ethernet/intel/igc/igc_main.c | 2 +-
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 2 +-
drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c | 3 +-
drivers/net/ethernet/mellanox/mlx5/core/en_tx.c | 2 +-
drivers/net/tun.c | 3 +-
include/linux/bpf.h | 4 +
include/linux/bpf_types.h | 2 +
include/linux/etherdevice.h | 2 +-
include/linux/skbuff.h | 36 +-
include/linux/tracepoint-defs.h | 1 +
include/net/bpf_sk_storage.h | 13 +
include/net/flow_dissector.h | 7 +
include/net/sch_generic.h | 11 +-
include/net/sock.h | 5 +
include/trace/bpf_probe.h | 27 +-
include/trace/events/bpf_test_run.h | 50 ++
include/trace/events/nbd.h | 107 +++
include/uapi/linux/bpf.h | 45 +-
kernel/bpf/syscall.c | 13 +-
kernel/bpf/verifier.c | 58 +-
kernel/trace/bpf_trace.c | 24 +
net/bpf/test_run.c | 54 +-
net/core/Makefile | 1 +
net/core/bpf_sk_storage.c | 804 +++++++++++++++++++++
net/core/filter.c | 125 +++-
net/core/flow_dissector.c | 129 ++--
net/core/sock.c | 5 +
net/ethernet/eth.c | 8 +-
samples/bpf/.gitignore | 1 +
tools/bpf/bpftool/Documentation/bpftool-btf.rst | 222 ++++++
tools/bpf/bpftool/Documentation/bpftool-cgroup.rst | 3 +-
.../bpf/bpftool/Documentation/bpftool-feature.rst | 3 +-
tools/bpf/bpftool/Documentation/bpftool-map.rst | 3 +-
tools/bpf/bpftool/Documentation/bpftool-net.rst | 3 +-
tools/bpf/bpftool/Documentation/bpftool-perf.rst | 3 +-
tools/bpf/bpftool/Documentation/bpftool-prog.rst | 3 +-
tools/bpf/bpftool/Documentation/bpftool.rst | 3 +-
tools/bpf/bpftool/bash-completion/bpftool | 68 +-
tools/bpf/bpftool/btf.c | 586 +++++++++++++++
tools/bpf/bpftool/main.c | 3 +-
tools/bpf/bpftool/main.h | 1 +
tools/bpf/bpftool/map.c | 3 +-
tools/bpf/bpftool/net.c | 54 ++
tools/include/uapi/linux/bpf.h | 54 +-
tools/lib/bpf/bpf.h | 1 +
tools/lib/bpf/libbpf.c | 106 ++-
tools/lib/bpf/libbpf_probes.c | 75 +-
tools/testing/selftests/bpf/Makefile | 25 +-
tools/testing/selftests/bpf/bpf_helpers.h | 5 +
tools/testing/selftests/bpf/config | 1 +
tools/testing/selftests/bpf/flow_dissector_load.c | 2 +-
tools/testing/selftests/bpf/flow_dissector_load.h | 24 +-
.../selftests/bpf/map_tests/sk_storage_map.c | 629 ++++++++++++++++
.../selftests/bpf/prog_tests/flow_dissector.c | 113 ++-
.../bpf/prog_tests/flow_dissector_load_bytes.c | 48 ++
.../raw_tp_writable_reject_nbd_invalid.c | 42 ++
.../bpf/prog_tests/raw_tp_writable_test_run.c | 80 ++
tools/testing/selftests/bpf/progs/bpf_flow.c | 79 +-
.../selftests/bpf/progs/test_sock_fields_kern.c | 53 ++
tools/testing/selftests/bpf/progs/test_tc_tunnel.c | 64 +-
tools/testing/selftests/bpf/test_btf.c | 63 +-
tools/testing/selftests/bpf/test_btf.h | 69 ++
tools/testing/selftests/bpf/test_maps.c | 18 +-
tools/testing/selftests/bpf/test_maps.h | 17 +
tools/testing/selftests/bpf/test_sock_fields.c | 115 ++-
tools/testing/selftests/bpf/test_tc_tunnel.sh | 20 +-
tools/testing/selftests/bpf/test_verifier.c | 55 +-
.../selftests/bpf/verifier/raw_tp_writable.c | 34 +
tools/testing/selftests/bpf/verifier/sock.c | 116 +++
84 files changed, 4168 insertions(+), 361 deletions(-)
create mode 100644 include/net/bpf_sk_storage.h
create mode 100644 include/trace/events/bpf_test_run.h
create mode 100644 include/trace/events/nbd.h
create mode 100644 net/core/bpf_sk_storage.c
create mode 100644 tools/bpf/bpftool/Documentation/bpftool-btf.rst
create mode 100644 tools/bpf/bpftool/btf.c
create mode 100644 tools/testing/selftests/bpf/map_tests/sk_storage_map.c
create mode 100644 tools/testing/selftests/bpf/prog_tests/flow_dissector_load_bytes.c
create mode 100644 tools/testing/selftests/bpf/prog_tests/raw_tp_writable_reject_nbd_invalid.c
create mode 100644 tools/testing/selftests/bpf/prog_tests/raw_tp_writable_test_run.c
create mode 100644 tools/testing/selftests/bpf/test_btf.h
create mode 100644 tools/testing/selftests/bpf/test_maps.h
create mode 100644 tools/testing/selftests/bpf/verifier/raw_tp_writable.c
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