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Message-Id: <20201012205522.27023-1-alexei.starovoitov@gmail.com>
Date: Mon, 12 Oct 2020 13:55:22 -0700
From: Alexei Starovoitov <alexei.starovoitov@...il.com>
To: davem@...emloft.net
Cc: daniel@...earbox.net, netdev@...r.kernel.org, bpf@...r.kernel.org,
kernel-team@...com
Subject: pull-request: bpf-next 2020-10-12
Hi,
The following pull-request contains BPF updates for your *net-next* tree.
We've added 62 non-merge commits during the last 10 day(s) which contain
a total of 73 files changed, 4339 insertions(+), 772 deletions(-).
The main changes are:
1) The BPF verifier improvements to track register allocation pattern, from Alexei and Yonghong.
2) libbpf relocation support for different size load/store, from Andrii.
3) bpf_redirect_peer() helper and support for inner map array with different max_entries, from Daniel.
4) BPF support for per-cpu variables, form Hao.
5) sockmap improvements, from John.
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:
Alexei Starovoitov, Andrii Nakryiko, Christoph Hellwig, David Ahern,
John Fastabend, Martin KaFai Lau, Petar Penkov, Samanta Navarro,
Stanislav Fomichev, Yonghong Song
----------------------------------------------------------------
The following changes since commit 360f89874635b08057757376b8cc4faa221862e2:
lib8390: Use netif_msg_init to initialize msg_enable bits (2020-10-01 19:08:46 -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 376dcfe3a4e5a5475a84e6b5f926066a8614f887:
Merge branch 'bpf, sockmap: allow verdict only sk_skb progs' (2020-10-11 18:09:45 -0700)
----------------------------------------------------------------
Alexei Starovoitov (13):
Merge branch 'Do not limit cb_flags when creating child sk'
Merge branch 'bpf: BTF support for ksyms'
Merge branch 'Add skb_adjust_room() for SK_SKB'
Merge branch 'Fix pining maps after reuse map fd'
Merge branch 'libbpf: auto-resize relocatable LOAD/STORE instructions'
bpf: Propagate scalar ranges through register assignments.
selftests/bpf: Add profiler test
selftests/bpf: Asm tests for the verifier regalloc tracking.
Merge branch 'Follow-up BPF helper improvements'
Merge branch 'samples: bpf: Refactor XDP programs with libbpf'
bpf: Migrate from patchwork.ozlabs.org to patchwork.kernel.org.
Merge branch 'sockmap/sk_skb program memory acct fixes'
Merge branch 'bpf, sockmap: allow verdict only sk_skb progs'
Andrii Nakryiko (5):
bpf, doc: Update Andrii's email in MAINTAINERS
libbpf: Skip CO-RE relocations for not loaded BPF programs
libbpf: Support safe subset of load/store instruction resizing with CO-RE
libbpf: Allow specifying both ELF and raw BTF for CO-RE BTF override
selftests/bpf: Validate libbpf's auto-sizing of LD/ST/STX instructions
Björn Töpel (1):
xsk: Remove internal DMA headers
Ciara Loftus (3):
samples: bpf: Split xdpsock stats into new struct
samples: bpf: Count syscalls in xdpsock
samples: bpf: Driver interrupt statistics in xdpsock
Daniel Borkmann (7):
Merge branch 'bpf-llvm-reg-alloc-patterns'
bpf: Improve bpf_redirect_neigh helper description
bpf: Add redirect_peer helper
bpf: Allow for map-in-map with dynamic inner array map entries
bpf, selftests: Add test for different array inner map size
bpf, selftests: Make redirect_neigh test more extensible
bpf, selftests: Add redirect_peer selftest
Daniel T. Lee (3):
samples: bpf: Refactor xdp_monitor with libbpf
samples: bpf: Replace attach_tracepoint() to attach() in xdp_redirect_cpu
samples: bpf: Refactor XDP kern program maps with BTF-defined map
Gustavo A. R. Silva (1):
bpf, verifier: Use fallthrough pseudo-keyword
Hangbin Liu (3):
libbpf: Close map fd if init map slots failed
libbpf: Check if pin_path was set even map fd exist
selftest/bpf: Test pinning map with reused map fd
Hao Luo (7):
bpf: Introduce pseudo_btf_id
bpf/libbpf: BTF support for typed ksyms
selftests/bpf: Ksyms_btf to test typed ksyms
bpf: Introduce bpf_per_cpu_ptr()
bpf: Introducte bpf_this_cpu_ptr()
bpf/selftests: Test for bpf_per_cpu_ptr() and bpf_this_cpu_ptr()
selftests/bpf: Fix test_verifier after introducing resolve_pseudo_ldimm64
Jakub Wilk (1):
bpf: Fix typo in uapi/linux/bpf.h
John Fastabend (12):
bpf, sockmap: Add skb_adjust_room to pop bytes off ingress payload
bpf, sockmap: Update selftests to use skb_adjust_room
bpf, sockmap: Skb verdict SK_PASS to self already checked rmem limits
bpf, sockmap: On receive programs try to fast track SK_PASS ingress
bpf, sockmap: Remove skb_set_owner_w wmem will be taken later from sendpage
bpf, sockmap: Remove dropped data on errors in redirect case
bpf, sockmap: Remove skb_orphan and let normal skb_kfree do cleanup
bpf, sockmap: Add memory accounting so skbs on ingress lists are visible
bpf, sockmap: Check skb_verdict and skb_parser programs explicitly
bpf, sockmap: Allow skipping sk_skb parser program
bpf, selftests: Add option to test_sockmap to omit adding parser program
bpf, selftests: Add three new sockmap tests for verdict only programs
Luigi Rizzo (1):
bpf, libbpf: Use valid btf in bpf_program__set_attach_target
Magnus Karlsson (2):
libbpf: Fix compatibility problem in xsk_socket__create
xsk: Introduce padding between ring pointers
Martin KaFai Lau (2):
bpf: tcp: Do not limit cb_flags when creating child sk from listen sk
bpf: selftest: Ensure the child sk inherited all bpf_sock_ops_cb_flags
Nikita V. Shirokov (1):
bpf: Add tcp_notsent_lowat bpf setsockopt
Randy Dunlap (1):
kernel/bpf/verifier: Fix build when NET is not enabled
Song Liu (1):
bpf: Use raw_spin_trylock() for pcpu_freelist_push/pop in NMI
Stanislav Fomichev (3):
selftests/bpf: Initialize duration in xdp_noinline.c
selftests/bpf: Properly initialize linfo in sockmap_basic
bpf: Deref map in BPF_PROG_BIND_MAP when it's already used
Toke Høiland-Jørgensen (1):
bpf: Always return target ifindex in bpf_fib_lookup
Yonghong Song (4):
samples/bpf: Change Makefile to cope with latest llvm
samples/bpf: Fix a compilation error with fallthrough marking
bpf: Fix build failure for kernel/trace/bpf_trace.c with CONFIG_NET=n
bpf: Track spill/fill of bounded scalars.
Documentation/bpf/bpf_devel_QA.rst | 4 +-
MAINTAINERS | 2 +-
drivers/net/veth.c | 9 +
include/linux/bpf.h | 8 +-
include/linux/bpf_verifier.h | 7 +
include/linux/btf.h | 26 +
include/linux/netdevice.h | 4 +
include/linux/skmsg.h | 2 +
include/net/tcp.h | 33 -
include/uapi/linux/bpf.h | 101 ++-
kernel/bpf/arraymap.c | 17 +-
kernel/bpf/btf.c | 25 -
kernel/bpf/hashtab.c | 6 +-
kernel/bpf/helpers.c | 32 +
kernel/bpf/percpu_freelist.c | 101 ++-
kernel/bpf/percpu_freelist.h | 1 +
kernel/bpf/syscall.c | 4 +-
kernel/bpf/verifier.c | 270 +++++-
kernel/trace/bpf_trace.c | 6 +
net/core/dev.c | 15 +-
net/core/filter.c | 107 ++-
net/core/skmsg.c | 161 +++-
net/core/sock_map.c | 37 +-
net/ipv4/tcp_minisocks.c | 1 -
net/xdp/xsk_buff_pool.c | 3 -
net/xdp/xsk_queue.h | 4 +
net/xdp/xskmap.c | 2 +-
samples/bpf/Makefile | 15 +-
samples/bpf/hbm.c | 3 +-
samples/bpf/xdp_monitor_kern.c | 60 +-
samples/bpf/xdp_monitor_user.c | 159 +++-
samples/bpf/xdp_redirect_cpu_user.c | 153 ++--
samples/bpf/xdp_sample_pkts_kern.c | 14 +-
samples/bpf/xdp_sample_pkts_user.c | 1 -
samples/bpf/xdpsock_user.c | 354 ++++++--
tools/include/uapi/linux/bpf.h | 101 ++-
tools/lib/bpf/libbpf.c | 348 ++++++--
tools/lib/bpf/xsk.c | 7 +-
tools/testing/selftests/bpf/README.rst | 38 +
tools/testing/selftests/bpf/prog_tests/align.c | 16 +-
.../selftests/bpf/prog_tests/btf_map_in_map.c | 39 +-
.../selftests/bpf/prog_tests/core_autosize.c | 225 +++++
tools/testing/selftests/bpf/prog_tests/ksyms.c | 38 +-
tools/testing/selftests/bpf/prog_tests/ksyms_btf.c | 88 ++
tools/testing/selftests/bpf/prog_tests/pinning.c | 49 +-
.../selftests/bpf/prog_tests/sockmap_basic.c | 2 +-
.../selftests/bpf/prog_tests/tcp_hdr_options.c | 12 +
.../selftests/bpf/prog_tests/test_profiler.c | 72 ++
.../selftests/bpf/prog_tests/xdp_noinline.c | 2 +-
tools/testing/selftests/bpf/progs/connect4_prog.c | 19 +
tools/testing/selftests/bpf/progs/profiler.h | 177 ++++
tools/testing/selftests/bpf/progs/profiler.inc.h | 969 +++++++++++++++++++++
tools/testing/selftests/bpf/progs/profiler1.c | 6 +
tools/testing/selftests/bpf/progs/profiler2.c | 6 +
tools/testing/selftests/bpf/progs/profiler3.c | 6 +
.../selftests/bpf/progs/test_btf_map_in_map.c | 43 +
.../selftests/bpf/progs/test_core_autosize.c | 172 ++++
tools/testing/selftests/bpf/progs/test_ksyms_btf.c | 55 ++
.../bpf/progs/test_misc_tcp_hdr_options.c | 4 +-
.../selftests/bpf/progs/test_sockmap_kern.h | 34 +-
tools/testing/selftests/bpf/progs/test_tc_neigh.c | 40 +-
tools/testing/selftests/bpf/progs/test_tc_peer.c | 45 +
.../selftests/bpf/progs/test_tcp_hdr_options.c | 7 +-
tools/testing/selftests/bpf/test_sockmap.c | 81 +-
tools/testing/selftests/bpf/test_tc_neigh.sh | 168 ----
tools/testing/selftests/bpf/test_tc_redirect.sh | 204 +++++
tools/testing/selftests/bpf/test_tcp_hdr_options.h | 5 +-
tools/testing/selftests/bpf/trace_helpers.c | 27 +
tools/testing/selftests/bpf/trace_helpers.h | 4 +
tools/testing/selftests/bpf/verifier/basic.c | 2 +-
.../selftests/bpf/verifier/direct_packet_access.c | 2 +-
tools/testing/selftests/bpf/verifier/ld_imm64.c | 8 -
tools/testing/selftests/bpf/verifier/regalloc.c | 243 ++++++
73 files changed, 4339 insertions(+), 772 deletions(-)
create mode 100644 tools/testing/selftests/bpf/prog_tests/core_autosize.c
create mode 100644 tools/testing/selftests/bpf/prog_tests/ksyms_btf.c
create mode 100644 tools/testing/selftests/bpf/prog_tests/test_profiler.c
create mode 100644 tools/testing/selftests/bpf/progs/profiler.h
create mode 100644 tools/testing/selftests/bpf/progs/profiler.inc.h
create mode 100644 tools/testing/selftests/bpf/progs/profiler1.c
create mode 100644 tools/testing/selftests/bpf/progs/profiler2.c
create mode 100644 tools/testing/selftests/bpf/progs/profiler3.c
create mode 100644 tools/testing/selftests/bpf/progs/test_core_autosize.c
create mode 100644 tools/testing/selftests/bpf/progs/test_ksyms_btf.c
create mode 100644 tools/testing/selftests/bpf/progs/test_tc_peer.c
delete mode 100755 tools/testing/selftests/bpf/test_tc_neigh.sh
create mode 100755 tools/testing/selftests/bpf/test_tc_redirect.sh
create mode 100644 tools/testing/selftests/bpf/verifier/regalloc.c
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