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Message-Id: <20210401233121.65221-1-alexei.starovoitov@gmail.com>
Date: Thu, 1 Apr 2021 16:31:21 -0700
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 2021-04-01
Hi David, hi Jakub,
The following pull-request contains BPF updates for your *net-next* tree.
We've added 68 non-merge commits during the last 7 day(s) which contain
a total of 70 files changed, 2944 insertions(+), 1139 deletions(-).
The main changes are:
1) UDP support for sockmap, from Cong.
2) Verifier merge conflict resolution fix, from Daniel.
3) xsk selftests enhancements, from Maciej.
4) Unstable helpers aka kernel func calling, from Martin.
5) Batches ops for LPM map, from Pedro.
6) Fix race in bpf_get_local_storage, 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:
Alexei Starovoitov, Andrii Nakryiko, Cong Wang, Jakub Sitnicki, John
Fastabend, Lorenz Bauer, Roman Gushchin, Song Liu, Yonghong Song
----------------------------------------------------------------
The following changes since commit 241949e488f38a192f2359dbb21d80e08173eb60:
Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next (2021-03-25 16:30:46 -0700)
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 89d69c5d0fbcabd8656459bc8b1a476d6f1efee4:
Merge branch 'sockmap: introduce BPF_SK_SKB_VERDICT and support UDP' (2021-04-01 10:56:15 -0700)
----------------------------------------------------------------
Alexei Starovoitov (5):
Merge branch 'add support for batched ops in LPM trie'
Merge branch 'bpf: Support calling kernel function'
Merge branch 'bpf: Update doc about calling kernel function'
Merge branch 'AF_XDP selftests improvements & bpf_link'
Merge branch 'sockmap: introduce BPF_SK_SKB_VERDICT and support UDP'
Andrii Nakryiko (3):
libbpf: Constify few bpf_program getters
libbpf: Preserve empty DATASEC BTFs during static linking
libbpf: Fix memory leak when emitting final btf_ext
Atul Gopinathan (1):
bpf: tcp: Remove comma which is causing build error
Björn Töpel (3):
selftests: xsk: Remove thread attribute
selftests: xsk: Remove mutex and condition variable
selftests: xsk: Remove unused defines
Colin Ian King (1):
bpf: Remove redundant assignment of variable id
Cong Wang (16):
skmsg: Lock ingress_skb when purging
skmsg: Introduce a spinlock to protect ingress_msg
net: Introduce skb_send_sock() for sock_map
skmsg: Avoid lock_sock() in sk_psock_backlog()
skmsg: Use rcu work for destroying psock
skmsg: Use GFP_KERNEL in sk_psock_create_ingress_msg()
sock_map: Simplify sock_map_link() a bit
sock_map: Kill sock_map_link_no_progs()
sock_map: Introduce BPF_SK_SKB_VERDICT
sock: Introduce sk->sk_prot->psock_update_sk_prot()
udp: Implement ->read_sock() for sockmap
skmsg: Extract __tcp_bpf_recvmsg() and tcp_bpf_wait_data()
udp: Implement udp_bpf_recvmsg() for sockmap
sock_map: Update sock type checks for UDP
selftests/bpf: Add a test case for udp sockmap
selftests/bpf: Add a test case for loading BPF_SK_SKB_VERDICT
Daniel Borkmann (1):
bpf: Undo ptr_to_map_key alu sanitation for now
He Fengqing (1):
bpf: Remove unused bpf_load_pointer
KP Singh (2):
selftests/bpf: Better error messages for ima_setup.sh failures
selftests/bpf: Add an option for a debug shell in vmtest.sh
Lu Wei (1):
bpf: Remove unused headers
Maciej Fijalkowski (14):
selftests: xsk: Don't call worker_pkt_dump() for stats test
selftests: xsk: Remove struct ifaceconfigobj
selftests: xsk: Remove unused function
selftests: xsk: Remove inline keyword from source file
selftests: xsk: Simplify frame traversal in dumping thread
libbpf: xsk: Use bpf_link
samples: bpf: Do not unload prog within xdpsock
selftests: xsk: Remove thread for netns switch
selftests: xsk: Split worker thread
selftests: xsk: Remove Tx synchronization resources
selftests: xsk: Refactor teardown/bidi test cases and testapp_validate
selftests: xsk: Remove sync_mutex_tx and atomic var
veth: Implement ethtool's get_channels() callback
selftests: xsk: Implement bpf_link test
Martin KaFai Lau (18):
bpf: Simplify freeing logic in linfo and jited_linfo
bpf: Refactor btf_check_func_arg_match
bpf: Support bpf program calling kernel function
bpf: Support kernel function call in x86-32
tcp: Rename bictcp function prefix to cubictcp
bpf: tcp: Put some tcp cong functions in allowlist for bpf-tcp-cc
libbpf: Refactor bpf_object__resolve_ksyms_btf_id
libbpf: Refactor codes for finding btf id of a kernel symbol
libbpf: Rename RELO_EXTERN to RELO_EXTERN_VAR
libbpf: Record extern sym relocation first
libbpf: Support extern kernel function
bpf: selftests: Rename bictcp to bpf_cubic
bpf: selftests: Bpf_cubic and bpf_dctcp calling kernel functions
bpf: selftests: Add kfunc_call test
bpf: tcp: Fix an error in the bpf_tcp_ca_kfunc_ids list
bpf: tcp: Limit calling some tcp cc functions to CONFIG_DYNAMIC_FTRACE
bpf: Update bpf_design_QA.rst to clarify the kfunc call is not ABI
bpf: selftests: Update clang requirement in README.rst for testing kfunc call
Pedro Tammela (2):
bpf: Add support for batched ops in LPM trie maps
bpf: selftests: Add tests for batched ops in LPM trie maps
Rafael David Tinoco (1):
libbpf: Add bpf object kern_version attribute setter
Ricardo Ribalda (1):
bpf: Fix typo 'accesible' into 'accessible'
Stanislav Fomichev (1):
tools/resolve_btfids: Fix warnings
Wan Jiabing (1):
bpf: struct sock is declared twice in bpf_sk_storage header
Yonghong Song (1):
bpf: Fix NULL pointer dereference in bpf_get_local_storage() helper
Documentation/bpf/bpf_design_QA.rst | 15 +
arch/x86/net/bpf_jit_comp.c | 5 +
arch/x86/net/bpf_jit_comp32.c | 198 ++++++
drivers/net/veth.c | 12 +
include/linux/bpf-cgroup.h | 57 +-
include/linux/bpf.h | 58 +-
include/linux/btf.h | 6 +
include/linux/filter.h | 13 +-
include/linux/skbuff.h | 1 +
include/linux/skmsg.h | 77 ++-
include/net/bpf_sk_storage.h | 1 -
include/net/sock.h | 3 +
include/net/tcp.h | 3 +-
include/net/udp.h | 3 +
include/uapi/linux/bpf.h | 5 +
kernel/bpf/btf.c | 219 ++++---
kernel/bpf/core.c | 47 +-
kernel/bpf/disasm.c | 13 +-
kernel/bpf/helpers.c | 15 +-
kernel/bpf/local_storage.c | 5 +-
kernel/bpf/lpm_trie.c | 3 +
kernel/bpf/syscall.c | 5 +-
kernel/bpf/verifier.c | 390 ++++++++++--
net/bpf/test_run.c | 34 +-
net/core/filter.c | 1 +
net/core/skbuff.c | 55 +-
net/core/skmsg.c | 177 +++++-
net/core/sock_map.c | 118 ++--
net/ipv4/af_inet.c | 1 +
net/ipv4/bpf_tcp_ca.c | 43 ++
net/ipv4/tcp_bpf.c | 130 +---
net/ipv4/tcp_cubic.c | 24 +-
net/ipv4/tcp_ipv4.c | 3 +
net/ipv4/udp.c | 32 +
net/ipv4/udp_bpf.c | 79 ++-
net/ipv6/af_inet6.c | 1 +
net/ipv6/tcp_ipv6.c | 3 +
net/ipv6/udp.c | 3 +
net/tls/tls_sw.c | 4 +-
samples/bpf/sampleip_kern.c | 1 -
samples/bpf/trace_event_kern.c | 1 -
samples/bpf/xdpsock_user.c | 55 +-
tools/bpf/bpftool/common.c | 1 +
tools/bpf/bpftool/prog.c | 1 +
tools/bpf/resolve_btfids/main.c | 11 +-
tools/include/uapi/linux/bpf.h | 5 +
tools/lib/bpf/libbpf.c | 403 +++++++++---
tools/lib/bpf/libbpf.h | 5 +-
tools/lib/bpf/libbpf.map | 1 +
tools/lib/bpf/linker.c | 37 +-
tools/lib/bpf/xsk.c | 258 ++++++--
tools/testing/selftests/bpf/README.rst | 14 +
tools/testing/selftests/bpf/bpf_tcp_helpers.h | 29 +-
.../bpf/map_tests/lpm_trie_map_batch_ops.c | 158 +++++
.../testing/selftests/bpf/prog_tests/kfunc_call.c | 59 ++
.../selftests/bpf/prog_tests/sockmap_basic.c | 40 ++
.../selftests/bpf/prog_tests/sockmap_listen.c | 136 ++++
tools/testing/selftests/bpf/prog_tests/test_ima.c | 6 +-
tools/testing/selftests/bpf/progs/bpf_cubic.c | 36 +-
tools/testing/selftests/bpf/progs/bpf_dctcp.c | 22 +-
.../testing/selftests/bpf/progs/kfunc_call_test.c | 47 ++
.../selftests/bpf/progs/kfunc_call_test_subprog.c | 42 ++
.../selftests/bpf/progs/test_sockmap_listen.c | 22 +
.../bpf/progs/test_sockmap_skb_verdict_attach.c | 18 +
tools/testing/selftests/bpf/test_xsk.sh | 3 +-
tools/testing/selftests/bpf/verifier/calls.c | 12 +-
tools/testing/selftests/bpf/verifier/dead_code.c | 10 +-
tools/testing/selftests/bpf/vmtest.sh | 39 +-
tools/testing/selftests/bpf/xdpxceiver.c | 700 ++++++++++-----------
tools/testing/selftests/bpf/xdpxceiver.h | 49 +-
70 files changed, 2944 insertions(+), 1139 deletions(-)
create mode 100644 tools/testing/selftests/bpf/map_tests/lpm_trie_map_batch_ops.c
create mode 100644 tools/testing/selftests/bpf/prog_tests/kfunc_call.c
create mode 100644 tools/testing/selftests/bpf/progs/kfunc_call_test.c
create mode 100644 tools/testing/selftests/bpf/progs/kfunc_call_test_subprog.c
create mode 100644 tools/testing/selftests/bpf/progs/test_sockmap_skb_verdict_attach.c
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