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Date: Tue, 9 Mar 2021 17:54:01 -0800
From: Alexei Starovoitov <alexei.starovoitov@...il.com>
To: davem@...emloft.net
Cc: daniel@...earbox.net, kuba@...nel.org, andrii@...nel.org,
netdev@...r.kernel.org, bpf@...r.kernel.org, kernel-team@...com
Subject: pull-request: bpf-next 2021-03-09
Hi David, hi Jakub,
The following pull-request contains BPF updates for your *net-next* tree.
We've added 90 non-merge commits during the last 17 day(s) which contain
a total of 114 files changed, 5158 insertions(+), 1288 deletions(-).
The main changes are:
1) Faster bpf_redirect_map(), from Björn.
2) skmsg cleanup, from Cong.
3) Support for floating point types in BTF, from Ilya.
4) Documentation for sys_bpf commands, from Joe.
5) Support for sk_lookup in bpf_prog_test_run, form Lorenz.
6) Enable task local storage for tracing programs, from Song.
7) bpf_for_each_map_elem() helper, from Yonghong.
Please consider pulling these changes from:
git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git
Thanks a lot!
Also thanks to reporters, reviewers and testers of commits in this pull-request:
Abaci Robot, Andrii Nakryiko, Brian Vazquez, Dust Li, Ilya Leoshkevich,
Jakub Sitnicki, Jesper Dangaard Brouer, John Fastabend, KP Singh, Lorenz
Bauer, Maciej Fijalkowski, Magnus Karlsson, Martin KaFai Lau, Michael S.
Tsirkin, Naveen N. Rao, Quentin Monnet, Toke Høiland-Jørgensen, Willem
de Bruijn, Yonghong Song
----------------------------------------------------------------
The following changes since commit d310ec03a34e92a77302edb804f7d68ee4f01ba0:
Merge tag 'perf-core-2021-02-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip (2021-02-21 12:49:32 -0800)
are available in the Git repository at:
https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git
for you to fetch changes up to 32f91529e2bdbe0d92edb3ced41dfba4beffa84a:
Merge branch 'bpf-xdp-redirect' (2021-03-10 01:07:21 +0100)
----------------------------------------------------------------
Alexander Lobakin (2):
netdevice: Add missing IFF_PHONY_HEADROOM self-definition
xsk: Respect device's headroom and tailroom on generic xmit path
Alexei Starovoitov (8):
Merge branch 'bpf: enable task local storage for tracing'
Merge branch 'selftests/bpf: xsk improvements and new stats'
Merge branch 'sock_map: clean up and refactor code for BPF_SK_SKB_VERDICT'
Merge branch 'bpf: add bpf_for_each_map_elem() helper'
Merge branch 'Add BTF_KIND_FLOAT support'
Merge branch 'Improve BPF syscall command documentation'
Merge branch 'PROG_TEST_RUN support for sk_lookup programs'
Merge branch 'Add clang-based BTF_KIND_FLOAT tests'
Andrii Nakryiko (3):
tools/runqslower: Allow substituting custom vmlinux.h for the build
Merge branch 'load-acquire/store-release barriers for'
selftests/bpf: Fix compiler warning in BPF_KPROBE definition in loop6.c
Björn Töpel (4):
xsk: Update rings for load-acquire/store-release barriers
libbpf, xsk: Add libbpf_smp_store_release libbpf_smp_load_acquire
bpf, xdp: Make bpf_redirect_map() a map operation
bpf, xdp: Restructure redirect actions
Brendan Jackman (1):
bpf: Rename fixup_bpf_calls and add some comments
Ciara Loftus (3):
selftests/bpf: Expose and rename debug argument
selftests/bpf: Restructure xsk selftests
selftests/bpf: Introduce xsk statistics tests
Cong Wang (10):
bpf: Clean up sockmap related Kconfigs
skmsg: Get rid of struct sk_psock_parser
bpf: Compute data_end dynamically with JIT code
skmsg: Move sk_redir from TCP_SKB_CB to skb
sock_map: Rename skb_parser and skb_verdict
sock_map: Make sock_map_prog_update() static
skmsg: Make __sk_psock_purge_ingress_msg() static
skmsg: Get rid of sk_psock_bpf_run()
skmsg: Remove unused sk_psock_stop() declaration
skmsg: Add function doc for skb->_sk_redir
Daniel Borkmann (1):
Merge branch 'bpf-xdp-redirect'
Dmitrii Banshchikov (1):
bpf: Use MAX_BPF_FUNC_REG_ARGS macro
Grant Seltzer (1):
bpf: Add kernel/modules BTF presence checks to bpftool feature command
Hangbin Liu (1):
bpf: Remove blank line in bpf helper description comment
Ian Denhardt (2):
tools, bpf_asm: Hard error on out of range jumps
tools, bpf_asm: Exit non-zero on errors
Ilya Leoshkevich (12):
selftests/bpf: Copy extras in out-of-srctree builds
bpf: Add BTF_KIND_FLOAT to uapi
libbpf: Fix whitespace in btf_add_composite() comment
libbpf: Add BTF_KIND_FLOAT support
tools/bpftool: Add BTF_KIND_FLOAT support
selftests/bpf: Use the 25th bit in the "invalid BTF_INFO" test
bpf: Add BTF_KIND_FLOAT support
selftest/bpf: Add BTF_KIND_FLOAT tests
selftests/bpf: Add BTF_KIND_FLOAT to the existing deduplication tests
bpf: Document BTF_KIND_FLOAT in btf.rst
selftests/bpf: Add BTF_KIND_FLOAT to test_core_reloc_size
selftests/bpf: Add BTF_KIND_FLOAT to btf_dump_test_case_syntax
Jean-Philippe Brucker (2):
libbpf: Fix arm64 build
selftests/bpf: Fix typo in Makefile
Jiapeng Chong (2):
bpf: Simplify the calculation of variables
selftests/bpf: Simplify the calculation of variables
Jiri Olsa (1):
selftests/bpf: Fix test_attach_probe for powerpc uprobes
Joe Stringer (15):
bpf: Import syscall arg documentation
bpf: Add minimal bpf() command documentation
bpf: Document BPF_F_LOCK in syscall commands
bpf: Document BPF_PROG_PIN syscall command
bpf: Document BPF_PROG_ATTACH syscall command
bpf: Document BPF_PROG_TEST_RUN syscall command
bpf: Document BPF_PROG_QUERY syscall command
bpf: Document BPF_MAP_*_BATCH syscall commands
scripts/bpf: Abstract eBPF API target parameter
scripts/bpf: Add syscall commands printer
tools/bpf: Remove bpf-helpers from bpftool docs
selftests/bpf: Templatize man page generation
selftests/bpf: Test syscall command parsing
docs/bpf: Add bpf() syscall command reference
tools: Sync uapi bpf.h header with latest changes
KP Singh (1):
selftests/bpf: Propagate error code of the command to vmtest.sh
Lorenz Bauer (5):
bpf: Consolidate shared test timing code
bpf: Add PROG_TEST_RUN support for sk_lookup programs
selftests: bpf: Convert sk_lookup ctx access tests to PROG_TEST_RUN
selftests: bpf: Check that PROG_TEST_RUN repeats as requested
selftests: bpf: Don't run sk_lookup in verifier tests
Magnus Karlsson (1):
selftest/bpf: Make xsk tests less verbose
Song Liu (6):
bpf: Enable task local storage for tracing programs
bpf: Prevent deadlock from recursive bpf_task_storage_[get|delete]
selftests/bpf: Add non-BPF_LSM test for task local storage
selftests/bpf: Test deadlock from recursive bpf_task_storage_[get|delete]
bpf: runqslower: Prefer using local vmlimux to generate vmlinux.h
bpf: runqslower: Use task local storage
Xuan Zhuo (3):
net: Add priv_flags for allow tx skb without linear
virtio-net: Support IFF_TX_SKB_NO_LINEAR flag
xsk: Build skb by page (aka generic zerocopy xmit)
Xuesen Huang (2):
bpf: Add bpf_skb_adjust_room flag BPF_F_ADJ_ROOM_ENCAP_L2_ETH
selftests, bpf: Extend test_tc_tunnel test with vxlan
Yonghong Song (13):
bpf: Factor out visit_func_call_insn() in check_cfg()
bpf: Factor out verbose_invalid_scalar()
bpf: Refactor check_func_call() to allow callback function
bpf: Change return value of verifier function add_subprog()
bpf: Add bpf_for_each_map_elem() helper
bpf: Add hashtab support for bpf_for_each_map_elem() helper
bpf: Add arraymap support for bpf_for_each_map_elem() helper
libbpf: Move function is_ldimm64() earlier in libbpf.c
libbpf: Support subprog address relocation
bpftool: Print subprog address properly
selftests/bpf: Add hashmap test for bpf_for_each_map_elem() helper
selftests/bpf: Add arraymap test for bpf_for_each_map_elem() helper
selftests/bpf: Add a verifier scale test with unknown bounded loop
Documentation/bpf/btf.rst | 17 +-
Documentation/bpf/index.rst | 9 +-
Documentation/userspace-api/ebpf/index.rst | 17 +
Documentation/userspace-api/ebpf/syscall.rst | 24 +
Documentation/userspace-api/index.rst | 1 +
MAINTAINERS | 2 +
drivers/net/virtio_net.c | 3 +-
include/linux/bpf.h | 94 +--
include/linux/bpf_local_storage.h | 3 +-
include/linux/bpf_lsm.h | 22 -
include/linux/bpf_types.h | 8 +-
include/linux/bpf_verifier.h | 3 +
include/linux/filter.h | 31 +-
include/linux/netdevice.h | 5 +
include/linux/sched.h | 5 +
include/linux/skbuff.h | 4 +
include/linux/skmsg.h | 82 ++-
include/net/tcp.h | 41 +-
include/net/udp.h | 4 +-
include/net/xdp_sock.h | 19 -
include/trace/events/xdp.h | 62 +-
include/uapi/linux/bpf.h | 763 ++++++++++++++++++++-
include/uapi/linux/btf.h | 5 +-
init/Kconfig | 1 +
kernel/bpf/Makefile | 3 +-
kernel/bpf/arraymap.c | 40 ++
kernel/bpf/bpf_inode_storage.c | 2 +-
kernel/bpf/bpf_iter.c | 16 +
kernel/bpf/bpf_local_storage.c | 39 +-
kernel/bpf/bpf_lsm.c | 4 -
kernel/bpf/bpf_task_storage.c | 100 +--
kernel/bpf/btf.c | 108 ++-
kernel/bpf/cpumap.c | 9 +-
kernel/bpf/devmap.c | 17 +-
kernel/bpf/hashtab.c | 65 ++
kernel/bpf/helpers.c | 2 +
kernel/bpf/verifier.c | 393 +++++++++--
kernel/fork.c | 5 +
kernel/trace/bpf_trace.c | 6 +
net/Kconfig | 6 +-
net/bpf/test_run.c | 244 +++++--
net/core/Makefile | 6 +-
net/core/bpf_sk_storage.c | 2 +-
net/core/filter.c | 269 ++++----
net/core/skmsg.c | 212 +++---
net/core/sock_map.c | 77 ++-
net/ipv4/Makefile | 2 +-
net/ipv4/tcp_bpf.c | 4 +-
net/xdp/xsk.c | 114 ++-
net/xdp/xsk_queue.h | 30 +-
net/xdp/xskmap.c | 17 +-
scripts/{bpf_helpers_doc.py => bpf_doc.py} | 191 +++++-
tools/bpf/Makefile.helpers | 60 --
tools/bpf/bpf_dbg.c | 2 +-
tools/bpf/bpf_exp.y | 14 +-
tools/bpf/bpftool/.gitignore | 1 -
tools/bpf/bpftool/Documentation/Makefile | 11 +-
tools/bpf/bpftool/btf.c | 8 +
tools/bpf/bpftool/btf_dumper.c | 1 +
tools/bpf/bpftool/feature.c | 4 +
tools/bpf/bpftool/xlated_dumper.c | 3 +
tools/bpf/runqslower/Makefile | 9 +-
tools/bpf/runqslower/runqslower.bpf.c | 33 +-
tools/include/uapi/linux/bpf.h | 763 ++++++++++++++++++++-
tools/include/uapi/linux/btf.h | 5 +-
tools/lib/bpf/Makefile | 2 +-
tools/lib/bpf/btf.c | 51 +-
tools/lib/bpf/btf.h | 6 +
tools/lib/bpf/btf_dump.c | 4 +
tools/lib/bpf/libbpf.c | 105 ++-
tools/lib/bpf/libbpf.map | 5 +
tools/lib/bpf/libbpf_internal.h | 2 +
tools/lib/bpf/libbpf_util.h | 72 +-
tools/lib/bpf/xsk.h | 17 +-
tools/perf/MANIFEST | 2 +-
tools/testing/selftests/bpf/.gitignore | 2 +
tools/testing/selftests/bpf/Makefile | 27 +-
tools/testing/selftests/bpf/Makefile.docs | 82 +++
tools/testing/selftests/bpf/README.rst | 48 ++
tools/testing/selftests/bpf/btf_helpers.c | 4 +
.../selftests/bpf/prog_tests/attach_probe.c | 40 +-
.../selftests/bpf/prog_tests/bpf_verif_scale.c | 1 +
tools/testing/selftests/bpf/prog_tests/btf.c | 176 ++++-
.../testing/selftests/bpf/prog_tests/core_reloc.c | 1 +
tools/testing/selftests/bpf/prog_tests/for_each.c | 130 ++++
.../selftests/bpf/prog_tests/prog_run_xattr.c | 51 +-
tools/testing/selftests/bpf/prog_tests/sk_lookup.c | 83 ++-
.../selftests/bpf/prog_tests/sockmap_listen.c | 8 +-
.../selftests/bpf/prog_tests/task_local_storage.c | 92 +++
.../bpf/progs/btf_dump_test_case_syntax.c | 7 +
.../testing/selftests/bpf/progs/core_reloc_types.h | 5 +
.../selftests/bpf/progs/for_each_array_map_elem.c | 61 ++
.../selftests/bpf/progs/for_each_hash_map_elem.c | 95 +++
tools/testing/selftests/bpf/progs/loop6.c | 99 +++
.../selftests/bpf/progs/task_local_storage.c | 64 ++
.../bpf/progs/task_local_storage_exit_creds.c | 32 +
.../selftests/bpf/progs/task_ls_recursion.c | 70 ++
.../selftests/bpf/progs/test_core_reloc_size.c | 3 +
tools/testing/selftests/bpf/progs/test_sk_lookup.c | 62 +-
.../selftests/bpf/progs/test_sockmap_listen.c | 4 +-
tools/testing/selftests/bpf/progs/test_tc_tunnel.c | 113 ++-
tools/testing/selftests/bpf/test_bpftool_build.sh | 21 -
tools/testing/selftests/bpf/test_btf.h | 3 +
tools/testing/selftests/bpf/test_doc_build.sh | 13 +
tools/testing/selftests/bpf/test_progs.h | 11 +
tools/testing/selftests/bpf/test_sockmap.c | 2 +-
tools/testing/selftests/bpf/test_tc_tunnel.sh | 15 +-
tools/testing/selftests/bpf/test_verifier.c | 4 +-
tools/testing/selftests/bpf/test_xsk.sh | 135 +---
.../testing/selftests/bpf/verifier/ctx_sk_lookup.c | 1 +
tools/testing/selftests/bpf/vmtest.sh | 26 +-
tools/testing/selftests/bpf/xdpxceiver.c | 380 +++++++---
tools/testing/selftests/bpf/xdpxceiver.h | 57 +-
tools/testing/selftests/bpf/xsk_prereqs.sh | 30 +-
114 files changed, 5158 insertions(+), 1288 deletions(-)
create mode 100644 Documentation/userspace-api/ebpf/index.rst
create mode 100644 Documentation/userspace-api/ebpf/syscall.rst
rename scripts/{bpf_helpers_doc.py => bpf_doc.py} (82%)
delete mode 100644 tools/bpf/Makefile.helpers
create mode 100644 tools/testing/selftests/bpf/Makefile.docs
create mode 100644 tools/testing/selftests/bpf/prog_tests/for_each.c
create mode 100644 tools/testing/selftests/bpf/prog_tests/task_local_storage.c
create mode 100644 tools/testing/selftests/bpf/progs/for_each_array_map_elem.c
create mode 100644 tools/testing/selftests/bpf/progs/for_each_hash_map_elem.c
create mode 100644 tools/testing/selftests/bpf/progs/loop6.c
create mode 100644 tools/testing/selftests/bpf/progs/task_local_storage.c
create mode 100644 tools/testing/selftests/bpf/progs/task_local_storage_exit_creds.c
create mode 100644 tools/testing/selftests/bpf/progs/task_ls_recursion.c
create mode 100755 tools/testing/selftests/bpf/test_doc_build.sh
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