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-rw-r--r--Documentation/bpf/index.rst1
-rw-r--r--Documentation/bpf/llvm_reloc.rst240
-rw-r--r--Documentation/networking/ip-sysctl.rst25
-rw-r--r--include/linux/bpf.h23
-rw-r--r--include/linux/bpf_local_storage.h4
-rw-r--r--include/linux/filter.h21
-rw-r--r--include/net/netns/ipv4.h1
-rw-r--r--include/net/sock_reuseport.h9
-rw-r--r--include/net/xdp.h1
-rw-r--r--include/trace/events/xdp.h6
-rw-r--r--include/uapi/linux/bpf.h43
-rw-r--r--kernel/bpf/bpf_inode_storage.c2
-rw-r--r--kernel/bpf/bpf_lsm.c2
-rw-r--r--kernel/bpf/btf.c6
-rw-r--r--kernel/bpf/core.c61
-rw-r--r--kernel/bpf/cpumap.c3
-rw-r--r--kernel/bpf/devmap.c305
-rw-r--r--kernel/bpf/hashtab.c102
-rw-r--r--kernel/bpf/preload/iterators/iterators.bpf.c1
-rw-r--r--kernel/bpf/reuseport_array.c2
-rw-r--r--kernel/bpf/syscall.c47
-rw-r--r--kernel/bpf/tnum.c41
-rw-r--r--kernel/bpf/trampoline.c2
-rw-r--r--kernel/bpf/verifier.c12
-rw-r--r--net/core/filter.c60
-rw-r--r--net/core/sock_reuseport.c359
-rw-r--r--net/core/xdp.c28
-rw-r--r--net/ipv4/inet_connection_sock.c191
-rw-r--r--net/ipv4/inet_hashtables.c2
-rw-r--r--net/ipv4/sysctl_net_ipv4.c9
-rw-r--r--net/ipv4/tcp_ipv4.c20
-rw-r--r--net/ipv4/tcp_minisocks.c4
-rw-r--r--net/ipv6/tcp_ipv6.c14
-rw-r--r--net/xdp/xdp_umem.c7
-rw-r--r--net/xdp/xskmap.c3
-rw-r--r--samples/bpf/Makefile3
-rw-r--r--samples/bpf/ibumad_kern.c2
-rw-r--r--samples/bpf/ibumad_user.c2
-rw-r--r--samples/bpf/xdp_fwd_user.c2
-rw-r--r--samples/bpf/xdp_redirect_map_multi_kern.c88
-rw-r--r--samples/bpf/xdp_redirect_map_multi_user.c302
-rw-r--r--samples/bpf/xdp_sample_pkts_user.c3
-rw-r--r--tools/bpf/bpftool/Makefile5
-rw-r--r--tools/bpf/bpftool/gen.c27
-rw-r--r--tools/bpf/bpftool/main.c4
-rw-r--r--tools/include/uapi/linux/bpf.h43
-rw-r--r--tools/lib/bpf/Makefile18
-rw-r--r--tools/lib/bpf/bpf.c179
-rw-r--r--tools/lib/bpf/bpf.h2
-rw-r--r--tools/lib/bpf/bpf_helpers.h66
-rw-r--r--tools/lib/bpf/bpf_prog_linfo.c18
-rw-r--r--tools/lib/bpf/bpf_tracing.h108
-rw-r--r--tools/lib/bpf/btf.c302
-rw-r--r--tools/lib/bpf/btf_dump.c14
-rw-r--r--tools/lib/bpf/libbpf.c535
-rw-r--r--tools/lib/bpf/libbpf.h1
-rw-r--r--tools/lib/bpf/libbpf.map10
-rw-r--r--tools/lib/bpf/libbpf_errno.c7
-rw-r--r--tools/lib/bpf/libbpf_internal.h59
-rw-r--r--tools/lib/bpf/libbpf_legacy.h59
-rw-r--r--tools/lib/bpf/linker.c25
-rw-r--r--tools/lib/bpf/netlink.c85
-rw-r--r--tools/lib/bpf/ringbuf.c26
-rw-r--r--tools/testing/selftests/bpf/.gitignore3
-rw-r--r--tools/testing/selftests/bpf/Makefile3
-rw-r--r--tools/testing/selftests/bpf/Makefile.docs3
-rw-r--r--tools/testing/selftests/bpf/README.rst19
-rw-r--r--tools/testing/selftests/bpf/bench.c1
-rw-r--r--tools/testing/selftests/bpf/benchs/bench_rename.c2
-rw-r--r--tools/testing/selftests/bpf/benchs/bench_ringbufs.c6
-rw-r--r--tools/testing/selftests/bpf/benchs/bench_trigger.c2
-rw-r--r--tools/testing/selftests/bpf/prog_tests/attach_probe.c12
-rw-r--r--tools/testing/selftests/bpf/prog_tests/bpf_iter.c31
-rw-r--r--tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c8
-rw-r--r--tools/testing/selftests/bpf/prog_tests/btf.c93
-rw-r--r--tools/testing/selftests/bpf/prog_tests/btf_dump.c8
-rw-r--r--tools/testing/selftests/bpf/prog_tests/btf_write.c4
-rw-r--r--tools/testing/selftests/bpf/prog_tests/cg_storage_multi.c84
-rw-r--r--tools/testing/selftests/bpf/prog_tests/cgroup_attach_multi.c2
-rw-r--r--tools/testing/selftests/bpf/prog_tests/cgroup_link.c14
-rw-r--r--tools/testing/selftests/bpf/prog_tests/cgroup_skb_sk_lookup.c2
-rw-r--r--tools/testing/selftests/bpf/prog_tests/check_mtu.c2
-rw-r--r--tools/testing/selftests/bpf/prog_tests/core_reloc.c15
-rw-r--r--tools/testing/selftests/bpf/prog_tests/fexit_bpf2bpf.c25
-rw-r--r--tools/testing/selftests/bpf/prog_tests/flow_dissector.c2
-rw-r--r--tools/testing/selftests/bpf/prog_tests/flow_dissector_reattach.c10
-rw-r--r--tools/testing/selftests/bpf/prog_tests/get_stack_raw_tp.c10
-rw-r--r--tools/testing/selftests/bpf/prog_tests/get_stackid_cannot_attach.c9
-rw-r--r--tools/testing/selftests/bpf/prog_tests/hashmap.c9
-rw-r--r--tools/testing/selftests/bpf/prog_tests/kfree_skb.c19
-rw-r--r--tools/testing/selftests/bpf/prog_tests/ksyms_btf.c3
-rw-r--r--tools/testing/selftests/bpf/prog_tests/link_pinning.c7
-rw-r--r--tools/testing/selftests/bpf/prog_tests/lookup_and_delete.c288
-rw-r--r--tools/testing/selftests/bpf/prog_tests/migrate_reuseport.c559
-rw-r--r--tools/testing/selftests/bpf/prog_tests/obj_name.c8
-rw-r--r--tools/testing/selftests/bpf/prog_tests/perf_branches.c4
-rw-r--r--tools/testing/selftests/bpf/prog_tests/perf_buffer.c2
-rw-r--r--tools/testing/selftests/bpf/prog_tests/perf_event_stackmap.c3
-rw-r--r--tools/testing/selftests/bpf/prog_tests/probe_user.c7
-rw-r--r--tools/testing/selftests/bpf/prog_tests/prog_run_xattr.c4
-rw-r--r--tools/testing/selftests/bpf/prog_tests/raw_tp_test_run.c4
-rw-r--r--tools/testing/selftests/bpf/prog_tests/rdonly_maps.c7
-rw-r--r--tools/testing/selftests/bpf/prog_tests/reference_tracking.c2
-rw-r--r--tools/testing/selftests/bpf/prog_tests/resolve_btfids.c2
-rw-r--r--tools/testing/selftests/bpf/prog_tests/ringbuf_multi.c2
-rw-r--r--tools/testing/selftests/bpf/prog_tests/select_reuseport.c53
-rw-r--r--tools/testing/selftests/bpf/prog_tests/send_signal.c3
-rw-r--r--tools/testing/selftests/bpf/prog_tests/sk_lookup.c2
-rw-r--r--tools/testing/selftests/bpf/prog_tests/sock_fields.c14
-rw-r--r--tools/testing/selftests/bpf/prog_tests/sockmap_basic.c8
-rw-r--r--tools/testing/selftests/bpf/prog_tests/sockmap_ktls.c2
-rw-r--r--tools/testing/selftests/bpf/prog_tests/sockmap_listen.c10
-rw-r--r--tools/testing/selftests/bpf/prog_tests/stacktrace_build_id_nmi.c3
-rw-r--r--tools/testing/selftests/bpf/prog_tests/stacktrace_map.c2
-rw-r--r--tools/testing/selftests/bpf/prog_tests/stacktrace_map_raw_tp.c5
-rw-r--r--tools/testing/selftests/bpf/prog_tests/tcp_hdr_options.c15
-rw-r--r--tools/testing/selftests/bpf/prog_tests/test_overhead.c12
-rw-r--r--tools/testing/selftests/bpf/prog_tests/trampoline_count.c14
-rw-r--r--tools/testing/selftests/bpf/prog_tests/udp_limit.c7
-rw-r--r--tools/testing/selftests/bpf/prog_tests/xdp_bpf2bpf.c2
-rw-r--r--tools/testing/selftests/bpf/prog_tests/xdp_link.c8
-rw-r--r--tools/testing/selftests/bpf/progs/bpf_iter_bpf_hash_map.c1
-rw-r--r--tools/testing/selftests/bpf/progs/bpf_iter_bpf_map.c1
-rw-r--r--tools/testing/selftests/bpf/progs/bpf_iter_ipv6_route.c1
-rw-r--r--tools/testing/selftests/bpf/progs/bpf_iter_netlink.c1
-rw-r--r--tools/testing/selftests/bpf/progs/bpf_iter_task.c1
-rw-r--r--tools/testing/selftests/bpf/progs/bpf_iter_task_btf.c1
-rw-r--r--tools/testing/selftests/bpf/progs/bpf_iter_task_file.c1
-rw-r--r--tools/testing/selftests/bpf/progs/bpf_iter_task_stack.c1
-rw-r--r--tools/testing/selftests/bpf/progs/bpf_iter_task_vma.c1
-rw-r--r--tools/testing/selftests/bpf/progs/bpf_iter_tcp4.c1
-rw-r--r--tools/testing/selftests/bpf/progs/bpf_iter_tcp6.c1
-rw-r--r--tools/testing/selftests/bpf/progs/bpf_iter_udp4.c1
-rw-r--r--tools/testing/selftests/bpf/progs/bpf_iter_udp6.c1
-rw-r--r--tools/testing/selftests/bpf/progs/test_lookup_and_delete.c26
-rw-r--r--tools/testing/selftests/bpf/progs/test_migrate_reuseport.c135
-rw-r--r--tools/test