OpenCloudOS-Kernel/Documentation/bpf
Jakub Kicinski a0e35a648f bpf-next-for-netdev
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Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next

Daniel Borkmann says:

====================
pull-request: bpf-next 2023-05-16

We've added 57 non-merge commits during the last 19 day(s) which contain
a total of 63 files changed, 3293 insertions(+), 690 deletions(-).

The main changes are:

1) Add precision propagation to verifier for subprogs and callbacks,
   from Andrii Nakryiko.

2) Improve BPF's {g,s}setsockopt() handling with wrong option lengths,
   from Stanislav Fomichev.

3) Utilize pahole v1.25 for the kernel's BTF generation to filter out
   inconsistent function prototypes, from Alan Maguire.

4) Various dyn-pointer verifier improvements to relax restrictions,
   from Daniel Rosenberg.

5) Add a new bpf_task_under_cgroup() kfunc for designated task,
   from Feng Zhou.

6) Unblock tests for arm64 BPF CI after ftrace supporting direct call,
   from Florent Revest.

7) Add XDP hint kfunc metadata for RX hash/timestamp for igc,
   from Jesper Dangaard Brouer.

8) Add several new dyn-pointer kfuncs to ease their usability,
   from Joanne Koong.

9) Add in-depth LRU internals description and dot function graph,
   from Joe Stringer.

10) Fix KCSAN report on bpf_lru_list when accessing node->ref,
    from Martin KaFai Lau.

11) Only dump unprivileged_bpf_disabled log warning upon write,
    from Kui-Feng Lee.

12) Extend test_progs to directly passing allow/denylist file,
    from Stephen Veiss.

13) Fix BPF trampoline memleak upon failure attaching to fentry,
    from Yafang Shao.

14) Fix emitting struct bpf_tcp_sock type in vmlinux BTF,
    from Yonghong Song.

* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (57 commits)
  bpf: Fix memleak due to fentry attach failure
  bpf: Remove bpf trampoline selector
  bpf, arm64: Support struct arguments in the BPF trampoline
  bpftool: JIT limited misreported as negative value on aarch64
  bpf: fix calculation of subseq_idx during precision backtracking
  bpf: Remove anonymous union in bpf_kfunc_call_arg_meta
  bpf: Document EFAULT changes for sockopt
  selftests/bpf: Correctly handle optlen > 4096
  selftests/bpf: Update EFAULT {g,s}etsockopt selftests
  bpf: Don't EFAULT for {g,s}setsockopt with wrong optlen
  libbpf: fix offsetof() and container_of() to work with CO-RE
  bpf: Address KCSAN report on bpf_lru_list
  bpf: Add --skip_encoding_btf_inconsistent_proto, --btf_gen_optimized to pahole flags for v1.25
  selftests/bpf: Accept mem from dynptr in helper funcs
  bpf: verifier: Accept dynptr mem as mem in helpers
  selftests/bpf: Check overflow in optional buffer
  selftests/bpf: Test allowing NULL buffer in dynptr slice
  bpf: Allow NULL buffers in bpf_dynptr_slice(_rw)
  selftests/bpf: Add testcase for bpf_task_under_cgroup
  bpf: Add bpf_task_under_cgroup() kfunc
  ...
====================

Link: https://lore.kernel.org/r/20230515225603.27027-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-05-16 19:50:05 -07:00
..
libbpf bpf, docs: Libbpf overview documentation 2023-03-18 10:17:39 -07:00
bpf_design_QA.rst bpf: Rename __kptr_ref -> __kptr and __kptr -> __kptr_untrusted. 2023-03-03 17:42:20 +01:00
bpf_devel_QA.rst bpf-next-for-netdev 2023-04-13 16:43:38 -07:00
bpf_iterators.rst bpf, docs: BPF Iterator Document 2022-12-04 16:41:22 -08:00
bpf_licensing.rst bpf: Document BPF licensing. 2021-09-22 23:13:13 +02:00
bpf_prog_run.rst Documentation/bpf: Add documentation for BPF_PROG_RUN 2022-03-09 14:19:22 -08:00
btf.rst docs/bpf: Update btf selftests program and add link 2022-11-25 00:00:15 +01:00
clang-notes.rst bpf, docs: Explain helper functions 2023-03-10 13:02:00 -08:00
classic_vs_extended.rst bpf, docs: Split the comparism to classic BPF from instruction-set.rst 2021-12-30 16:31:44 -08:00
cpumasks.rst bpf,docs: Remove bpf_cpumask_kptr_get() from documentation 2023-03-16 12:28:30 -07:00
drgn.rst bpf: Document bpf_inspect drgn tool 2020-03-26 00:08:36 +01:00
faq.rst bpf, docs: Fix ordering of bpf documentation 2021-11-17 23:24:01 +01:00
graph_ds_impl.rst Documentation: bpf: Add missing line break separator in node_data struct code block 2023-02-15 08:43:51 -08:00
helpers.rst bpf, docs: Fix ordering of bpf documentation 2021-11-17 23:24:01 +01:00
index.rst bpf/docs: Document cpumask kfuncs in a new file 2023-01-25 07:57:50 -08:00
instruction-set.rst bpf, docs: Add docs on extended 64-bit immediate instructions 2023-04-02 17:02:54 -07:00
kfuncs.rst bpf: Allow NULL buffers in bpf_dynptr_slice(_rw) 2023-05-06 16:42:57 -07:00
linux-notes.rst bpf, docs: Add docs on extended 64-bit immediate instructions 2023-04-02 17:02:54 -07:00
llvm_reloc.rst bpf, docs: Update llvm_relocs.rst with typo fixes 2023-05-05 08:20:39 -07:00
map_array.rst docs/bpf: Fix sphinx warnings in BPF map docs 2022-11-24 01:05:04 +01:00
map_bloom_filter.rst docs/bpf: Document BPF_MAP_TYPE_BLOOM_FILTER 2022-11-23 22:47:32 +01:00
map_cgroup_storage.rst Remove duplicate words inside documentation 2022-09-27 13:21:43 -06:00
map_cgrp_storage.rst docs/bpf: Add documentation for new cgroup local storage 2022-10-25 23:19:20 -07:00
map_cpumap.rst docs/bpf: Fix sphinx warnings for cpumap 2022-11-23 22:38:53 +01:00
map_devmap.rst docs/bpf: Fix sphinx warnings for devmap 2022-11-23 22:40:27 +01:00
map_hash.rst docs/bpf: Add LRU internals description and graph 2023-04-27 14:20:44 +02:00
map_lpm_trie.rst docs/bpf: Fix sphinx warnings in BPF map docs 2022-11-24 01:05:04 +01:00
map_lru_hash_update.dot docs/bpf: Add LRU internals description and graph 2023-04-27 14:20:44 +02:00
map_of_maps.rst docs/bpf: Fix sphinx warnings in BPF map docs 2022-11-24 01:05:04 +01:00
map_queue_stack.rst docs/bpf: Fix sphinx warnings in BPF map docs 2022-11-24 01:05:04 +01:00
map_sk_storage.rst docs/bpf: Reword docs for BPF_MAP_TYPE_SK_STORAGE 2022-12-14 18:35:41 +01:00
map_sockmap.rst docs: BPF_MAP_TYPE_SOCK[MAP|HASH] 2022-12-20 15:54:05 -08:00
map_xskmap.rst Documentation: bpf: correct spelling 2023-01-28 12:22:20 -08:00
maps.rst bpf, docs: Fix final bpf docs build failure 2023-03-02 22:36:10 -08:00
other.rst bpf, documentation: Add graph documentation for non-owning refs 2023-02-13 19:40:53 -08:00
prog_cgroup_sockopt.rst bpf: Document EFAULT changes for sockopt 2023-05-13 16:55:46 -07:00
prog_cgroup_sysctl.rst bpf: Document BPF_PROG_TYPE_CGROUP_SYSCTL 2019-04-18 16:05:36 -07:00
prog_flow_dissector.rst bpf/flow_dissector: add mode to enforce global BPF flow dissector 2019-10-07 20:16:33 -07:00
prog_lsm.rst lsm: move hook comments docs to security/security.c 2023-04-28 11:58:34 -04:00
prog_sk_lookup.rst bpf: sk_lookup: Add user documentation 2020-08-24 14:46:50 -07:00
programs.rst docs/bpf: Add table of BPF program types to libbpf docs 2022-11-23 13:31:20 -08:00
redirect.rst bpf, docs: DEVMAPs and XDP_REDIRECT 2022-11-18 23:16:31 +01:00
ringbuf.rst Documentation: bpf: correct spelling 2023-01-28 12:22:20 -08:00
s390.rst bpf: Add s390 testing documentation 2019-10-30 16:25:31 +01:00
syscall_api.rst bpf, docs: Fix ordering of bpf documentation 2021-11-17 23:24:01 +01:00
test_debug.rst bpf, docs: Fix ordering of bpf documentation 2021-11-17 23:24:01 +01:00
verifier.rst docs/bpf: Add description of register liveness tracking algorithm 2023-02-02 20:21:59 -08:00