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Date: Fri, 21 Feb 2020 23:29:05 +0100
From: Daniel Borkmann <daniel@...earbox.net>
To: davem@...emloft.net
Cc: jakub.kicinski@...ronome.com, daniel@...earbox.net, ast@...nel.org,
netdev@...r.kernel.org, bpf@...r.kernel.org
Subject: pull-request: bpf-next 2020-02-21
Hi David,
The following pull-request contains BPF updates for your *net-next* tree.
We've added 25 non-merge commits during the last 4 day(s) which contain
a total of 33 files changed, 2433 insertions(+), 161 deletions(-).
The main changes are:
1) Allow for adding TCP listen sockets into sock_map/hash so they can be used
with reuseport BPF programs, from Jakub Sitnicki.
2) Add a new bpf_program__set_attach_target() helper for adding libbpf support
to specify the tracepoint/function dynamically, from Eelco Chaudron.
3) Add bpf_read_branch_records() BPF helper which helps use cases like profile
guided optimizations, from Daniel Xu.
4) Enable bpf_perf_event_read_value() in all tracing programs, from Song Liu.
5) Relax BTF mandatory check if only used for libbpf itself e.g. to process
BTF defined maps, from Andrii Nakryiko.
6) Move BPF selftests -mcpu compilation attribute from 'probe' to 'v3' as it has
been observed that former fails in envs with low memlock, from Yonghong Song.
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:
Andrii Nakryiko, John Fastabend, Julia Kartseva, Martin KaFai Lau, Song
Liu, Toke Høiland-Jørgensen
----------------------------------------------------------------
The following changes since commit b182a66792feb706c62e50c31db8546ca4ff168e:
net: ena: remove set but not used variable 'hash_key' (2020-02-17 22:32:50 -0800)
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 eb1e1478b6f4e70d99fee3f49bb7f7143c8c871d:
Merge branch 'bpf-sockmap-listen' (2020-02-21 22:31:41 +0100)
----------------------------------------------------------------
Alexei Starovoitov (3):
Merge branch 'bpf_read_branch_records'
selftests/bpf: Fix build of sockmap_ktls.c
Merge branch 'set_attach_target'
Andrii Nakryiko (2):
libbpf: Relax check whether BTF is mandatory
selftests/bpf: Fix trampoline_count clean up logic
Daniel Borkmann (2):
Merge branch 'bpf-skmsg-simplify-restore'
Merge branch 'bpf-sockmap-listen'
Daniel Xu (2):
bpf: Add bpf_read_branch_records() helper
selftests/bpf: Add bpf_read_branch_records() selftest
Eelco Chaudron (3):
libbpf: Bump libpf current version to v0.0.8
libbpf: Add support for dynamic program attach target
selftests/bpf: Update xdp_bpf2bpf test to use new set_attach_target API
Jakub Sitnicki (14):
bpf, sk_msg: Let ULP restore sk_proto and write_space callback
bpf, sk_msg: Don't clear saved sock proto on restore
selftests/bpf: Test unhashing kTLS socket after removing from map
net, sk_msg: Annotate lockless access to sk_prot on clone
net, sk_msg: Clear sk_user_data pointer on clone if tagged
tcp_bpf: Don't let child socket inherit parent protocol ops on copy
bpf, sockmap: Allow inserting listening TCP sockets into sockmap
bpf, sockmap: Don't set up upcalls and progs for listening sockets
bpf, sockmap: Return socket cookie on lookup from syscall
bpf, sockmap: Let all kernel-land lookup values in SOCKMAP/SOCKHASH
bpf: Allow selecting reuseport socket from a SOCKMAP/SOCKHASH
net: Generate reuseport group ID on group creation
selftests/bpf: Extend SK_REUSEPORT tests to cover SOCKMAP/SOCKHASH
selftests/bpf: Tests for sockmap/sockhash holding listening sockets
Song Liu (1):
bpf: Allow bpf_perf_event_read_value in all BPF programs
Yonghong Song (2):
selftests/bpf: Change llvm flag -mcpu=probe to -mcpu=v3
docs/bpf: Update bpf development Q/A file
Documentation/bpf/bpf_devel_QA.rst | 29 +-
include/linux/skmsg.h | 20 +-
include/net/sock.h | 37 +-
include/net/sock_reuseport.h | 2 -
include/net/tcp.h | 7 +
include/uapi/linux/bpf.h | 25 +-
kernel/bpf/reuseport_array.c | 5 -
kernel/bpf/verifier.c | 10 +-
kernel/trace/bpf_trace.c | 45 +-
net/core/filter.c | 27 +-
net/core/skmsg.c | 2 +-
net/core/sock.c | 14 +-
net/core/sock_map.c | 167 ++-
net/core/sock_reuseport.c | 50 +-
net/ipv4/tcp_bpf.c | 18 +-
net/ipv4/tcp_minisocks.c | 2 +
net/ipv4/tcp_ulp.c | 3 +-
net/tls/tls_main.c | 3 +-
tools/include/uapi/linux/bpf.h | 25 +-
tools/lib/bpf/libbpf.c | 38 +-
tools/lib/bpf/libbpf.h | 4 +
tools/lib/bpf/libbpf.map | 5 +
tools/testing/selftests/bpf/Makefile | 4 +-
.../selftests/bpf/prog_tests/perf_branches.c | 170 +++
.../selftests/bpf/prog_tests/select_reuseport.c | 63 +-
.../selftests/bpf/prog_tests/sockmap_ktls.c | 124 ++
.../selftests/bpf/prog_tests/sockmap_listen.c | 1496 ++++++++++++++++++++
.../selftests/bpf/prog_tests/trampoline_count.c | 25 +-
.../testing/selftests/bpf/prog_tests/xdp_bpf2bpf.c | 16 +-
.../selftests/bpf/progs/test_perf_branches.c | 50 +
.../selftests/bpf/progs/test_sockmap_listen.c | 98 ++
.../testing/selftests/bpf/progs/test_xdp_bpf2bpf.c | 4 +-
tools/testing/selftests/bpf/test_maps.c | 6 +-
33 files changed, 2433 insertions(+), 161 deletions(-)
create mode 100644 tools/testing/selftests/bpf/prog_tests/perf_branches.c
create mode 100644 tools/testing/selftests/bpf/prog_tests/sockmap_ktls.c
create mode 100644 tools/testing/selftests/bpf/prog_tests/sockmap_listen.c
create mode 100644 tools/testing/selftests/bpf/progs/test_perf_branches.c
create mode 100644 tools/testing/selftests/bpf/progs/test_sockmap_listen.c
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