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-rw-r--r--Documentation/bpf/btf.rst44
-rw-r--r--Documentation/bpf/faq.rst11
-rw-r--r--Documentation/bpf/helpers.rst7
-rw-r--r--Documentation/bpf/index.rst102
-rw-r--r--Documentation/bpf/instruction-set.rst467
-rw-r--r--Documentation/bpf/libbpf/index.rst4
-rw-r--r--Documentation/bpf/maps.rst52
-rw-r--r--Documentation/bpf/other.rst9
-rw-r--r--Documentation/bpf/prog_lsm.rst (renamed from Documentation/bpf/bpf_lsm.rst)0
-rw-r--r--Documentation/bpf/programs.rst9
-rw-r--r--Documentation/bpf/syscall_api.rst11
-rw-r--r--Documentation/bpf/test_debug.rst9
-rw-r--r--Documentation/bpf/verifier.rst529
-rw-r--r--Documentation/networking/filter.rst1036
-rw-r--r--MAINTAINERS2
-rw-r--r--arch/arm/net/bpf_jit_32.c7
-rw-r--r--arch/arm64/net/bpf_jit_comp.c7
-rw-r--r--arch/mips/net/bpf_jit_comp32.c3
-rw-r--r--arch/mips/net/bpf_jit_comp64.c2
-rw-r--r--arch/powerpc/net/bpf_jit_comp32.c4
-rw-r--r--arch/powerpc/net/bpf_jit_comp64.c4
-rw-r--r--arch/riscv/net/bpf_jit_comp32.c6
-rw-r--r--arch/riscv/net/bpf_jit_comp64.c7
-rw-r--r--arch/s390/net/bpf_jit_comp.c6
-rw-r--r--arch/sparc/net/bpf_jit_comp_64.c4
-rw-r--r--arch/x86/net/bpf_jit_comp.c14
-rw-r--r--arch/x86/net/bpf_jit_comp32.c4
-rw-r--r--include/linux/bpf.h11
-rw-r--r--include/linux/bpf_verifier.h7
-rw-r--r--include/linux/btf.h89
-rw-r--r--include/uapi/linux/bpf.h105
-rw-r--r--kernel/bpf/Makefile4
-rw-r--r--kernel/bpf/bpf_iter.c35
-rw-r--r--kernel/bpf/bpf_struct_ops.c6
-rw-r--r--kernel/bpf/btf.c410
-rw-r--r--kernel/bpf/core.c6
-rw-r--r--kernel/bpf/helpers.c2
-rw-r--r--kernel/bpf/syscall.c4
-rw-r--r--kernel/bpf/verifier.c180
-rw-r--r--kernel/trace/bpf_trace.c6
-rw-r--r--lib/test_bpf.c4
-rw-r--r--net/core/filter.c11
-rw-r--r--net/ipv4/bpf_tcp_ca.c6
-rw-r--r--samples/bpf/Makefile18
-rw-r--r--samples/bpf/Makefile.target11
-rw-r--r--samples/bpf/cookie_uid_helper_example.c14
-rw-r--r--samples/bpf/fds_example.c29
-rw-r--r--samples/bpf/lwt_len_hist_kern.c7
-rw-r--r--samples/bpf/map_perf_test_user.c15
-rw-r--r--samples/bpf/sock_example.c12
-rw-r--r--samples/bpf/sockex1_user.c15
-rw-r--r--samples/bpf/sockex2_user.c14
-rw-r--r--samples/bpf/test_cgrp2_array_pin.c4
-rw-r--r--samples/bpf/test_cgrp2_attach.c13
-rw-r--r--samples/bpf/test_cgrp2_sock.c8
-rw-r--r--samples/bpf/test_lru_dist.c11
-rw-r--r--samples/bpf/trace_output_user.c4
-rw-r--r--samples/bpf/xdp_redirect_cpu.bpf.c4
-rw-r--r--samples/bpf/xdp_sample_pkts_user.c22
-rw-r--r--samples/bpf/xdp_sample_user.h2
-rw-r--r--samples/bpf/xdpsock_ctrl_proc.c3
-rw-r--r--samples/bpf/xdpsock_user.c3
-rw-r--r--samples/bpf/xsk_fwd.c3
-rw-r--r--tools/bpf/bpftool/Documentation/Makefile2
-rw-r--r--tools/bpf/bpftool/Documentation/bpftool-btf.rst7
-rw-r--r--tools/bpf/bpftool/Documentation/bpftool-cgroup.rst7
-rw-r--r--tools/bpf/bpftool/Documentation/bpftool-feature.rst6
-rw-r--r--tools/bpf/bpftool/Documentation/bpftool-gen.rst7
-rw-r--r--tools/bpf/bpftool/Documentation/bpftool-iter.rst6
-rw-r--r--tools/bpf/bpftool/Documentation/bpftool-link.rst7
-rw-r--r--tools/bpf/bpftool/Documentation/bpftool-map.rst7
-rw-r--r--tools/bpf/bpftool/Documentation/bpftool-net.rst6
-rw-r--r--tools/bpf/bpftool/Documentation/bpftool-perf.rst6
-rw-r--r--tools/bpf/bpftool/Documentation/bpftool-prog.rst6
-rw-r--r--tools/bpf/bpftool/Documentation/bpftool-struct_ops.rst6
-rw-r--r--tools/bpf/bpftool/Documentation/bpftool.rst7
-rw-r--r--tools/bpf/bpftool/Documentation/common_options.rst2
-rw-r--r--tools/bpf/bpftool/Documentation/substitutions.rst3
-rw-r--r--tools/bpf/bpftool/gen.c11
-rw-r--r--tools/bpf/bpftool/main.c12
-rw-r--r--tools/bpf/bpftool/map.c23
-rw-r--r--tools/bpf/bpftool/prog.c44
-rw-r--r--tools/bpf/bpftool/struct_ops.c15
-rw-r--r--tools/bpf/resolve_btfids/main.c5
-rw-r--r--tools/build/feature/test-bpf.c6
-rw-r--r--tools/include/uapi/linux/bpf.h105
-rw-r--r--tools/lib/bpf/bpf.c234
-rw-r--r--tools/lib/bpf/bpf.h55
-rw-r--r--tools/lib/bpf/bpf_gen_internal.h9
-rw-r--r--tools/lib/bpf/btf.c139
-rw-r--r--tools/lib/bpf/btf.h2
-rw-r--r--tools/lib/bpf/btf_dump.c2
-rw-r--r--tools/lib/bpf/gen_loader.c160
-rw-r--r--tools/lib/bpf/libbpf.c649
-rw-r--r--tools/lib/bpf/libbpf.h115
-rw-r--r--tools/lib/bpf/libbpf.map15
-rw-r--r--tools/lib/bpf/libbpf_common.h5
-rw-r--r--tools/lib/bpf/libbpf_internal.h24
-rw-r--r--tools/lib/bpf/libbpf_probes.c32
-rw-r--r--tools/lib/bpf/libbpf_version.h2
-rw-r--r--tools/lib/bpf/linker.c6
-rw-r--r--tools/lib/bpf/relo_core.c231
-rw-r--r--tools/lib/bpf/relo_core.h103
-rw-r--r--tools/lib/bpf/skel_internal.h13
-rw-r--r--tools/lib/bpf/xsk.c18
-rw-r--r--tools/perf/tests/bpf.c4
-rw-r--r--tools/perf/util/bpf-loader.c3
-rw-r--r--tools/perf/util/bpf_counter.c18
-rw-r--r--tools/testing/selftests/bpf/Makefile49
-rw-r--r--tools/testing/selftests/bpf/bench.c47
-rw-r--r--tools/testing/selftests/bpf/bench.h2
-rw-r--r--tools/testing/selftests/bpf/benchs/bench_bpf_loop.c105
-rw-r--r--tools/testing/selftests/bpf/benchs/bench_trigger.c146
-rwxr-xr-xtools/testing/selftests/bpf/benchs/run_bench_bpf_loop.sh15
-rw-r--r--tools/testing/selftests/bpf/benchs/run_common.sh15
-rw-r--r--tools/testing/selftests/bpf/map_tests/array_map_batch_ops.c13
-rw-r--r--tools/testing/selftests/bpf/map_tests/htab_map_batch_ops.c13
-rw-r--r--tools/testing/selftests/bpf/map_tests/lpm_trie_map_batch_ops.c15
-rw-r--r--tools/testing/selftests/bpf/map_tests/sk_storage_map.c52
-rw-r--r--tools/testing/selftests/bpf/prog_tests/atomics.c4
-rw-r--r--tools/testing/selftests/bpf/prog_tests/bloom_filter_map.c36
-rw-r--r--tools/testing/selftests/bpf/prog_tests/bpf_iter.c13
-rw-r--r--tools/testing/selftests/bpf/prog_tests/bpf_loop.c145
-rw-r--r--tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c6
-rw-r--r--tools/testing/selftests/bpf/prog_tests/bpf_verif_scale.c42
-rw-r--r--tools/testing/selftests/bpf/prog_tests/btf.c127
-rw-r--r--tools/testing/selftests/bpf/prog_tests/btf_dedup_split.c113
-rw-r--r--tools/testing/selftests/bpf/prog_tests/btf_dump.c4
-rw-r--r--tools/testing/selftests/bpf/prog_tests/cgroup_attach_multi.c12
-rw-r--r--tools/testing/selftests/bpf/prog_tests/connect_force_port.c17
-rw-r--r--tools/testing/selftests/bpf/prog_tests/core_kern.c14
-rw-r--r--tools/testing/selftests/bpf/prog_tests/core_reloc.c3
-rw-r--r--tools/testing/selftests/bpf/prog_tests/get_stack_raw_tp.c14
-rw-r--r--tools/testing/selftests/bpf/prog_tests/kfree_skb.c58
-rw-r--r--tools/testing/selftests/bpf/prog_tests/kfunc_call.c24
-rw-r--r--tools/testing/selftests/bpf/prog_tests/legacy_printk.c65
-rw-r--r--tools/testing/selftests/bpf/prog_tests/log_buf.c276
-rw-r--r--tools/testing/selftests/bpf/prog_tests/map_ptr.c16
-rw-r--r--tools/testing/selftests/bpf/prog_tests/pinning.c4
-rw-r--r--tools/testing/selftests/bpf/prog_tests/prog_array_init.c32