Hi David, hi Jakub, The following pull-request contains BPF updates for your *net-next* tree. We've added 37 non-merge commits during the last 15 day(s) which contain a total of 65 files changed, 3200 insertions(+), 738 deletions(-). The main changes are: 1) Static linking of multiple BPF ELF files, from Andrii. 2) Move drop error path to devmap for XDP_REDIRECT, from Lorenzo. 3) Spelling fixes from various folks. 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: Abaci Robot, Camelia Groza, Edward Cree, Hulk Robot, Ilias Apalodimas, Ioana Ciornei, Jesper Dangaard Brouer, Jiri Olsa, KP Singh, Martin KaFai Lau, Quentin Monnet, Shay Agroskin, Song Liu, Yonghong Song ---------------------------------------------------------------- The following changes since commit c1acda9807e2bbe1d2026b44f37d959d6d8266c8: Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next (2021-03-09 18:07:05 -0800) 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 e2c69f3a5b4edfbcade2c38862c1839fc371c5d5: bpf: Avoid old-style declaration warnings (2021-03-24 09:32:28 -0700) ---------------------------------------------------------------- Alexei Starovoitov (3): Merge branch 'Build BPF selftests and its libbpf, bpftool in debug mode' Merge branch 'Provide NULL and KERNEL_VERSION macros in bpf_helpers.h' Merge branch 'BPF static linking' Andrii Nakryiko (20): Merge branch 'libbpf/xsk cleanups' libbpf: Add explicit padding to bpf_xdp_set_link_opts bpftool: Fix maybe-uninitialized warnings selftests/bpf: Fix maybe-uninitialized warning in xdpxceiver test selftests/bpf: Build everything in debug mode libbpf: provide NULL and KERNEL_VERSION macros in bpf_helpers.h selftests/bpf: drop custom NULL #define in skb_pkt_end selftest libbpf: Expose btf_type_by_id() internally libbpf: Generalize BTF and BTF.ext type ID and strings iteration libbpf: Rename internal memory-management helpers libbpf: Extract internal set-of-strings datastructure APIs libbpf: Add generic BTF type shallow copy API libbpf: Add BPF static linker APIs libbpf: Add BPF static linker BTF and BTF.ext support bpftool: Add ability to specify custom skeleton object name bpftool: Add `gen object` command to perform BPF static linking selftests/bpf: Re-generate vmlinux.h and BPF skeletons if bpftool changed selftests/bpf: Pass all BPF .o's through BPF static linker selftests/bpf: Add multi-file statically linked BPF object file test libbpf: Skip BTF fixup if object file has no BTF Arnd Bergmann (1): bpf: Avoid old-style declaration warnings Björn Töpel (2): libbpf: xsk: Remove linux/compiler.h header libbpf: xsk: Move barriers from libbpf_util.h to xsk.h Ilya Leoshkevich (1): s390/bpf: Implement new atomic ops Jianlin Lv (1): bpf: Remove insn_buf[] declaration in inner block Jiapeng Chong (3): selftests/bpf: Fix warning comparing pointer to 0 bpf: Fix warning comparing pointer to 0 selftests/bpf: Fix warning comparing pointer to 0 KP Singh (1): libbpf: Add explicit padding to btf_dump_emit_type_decl_opts Liu xuzhi (1): kernel/bpf/: Fix misspellings using codespell tool Lorenzo Bianconi (1): bpf, devmap: Move drop error path to devmap for XDP_REDIRECT Manu Bretelle (1): bpf: Add getter and setter for SO_REUSEPORT through bpf_{g,s}etsockopt Masanari Iida (1): samples: bpf: Fix a spelling typo in do_hbm_test.sh Pedro Tammela (2): libbpf: Avoid inline hint definition from 'linux/stddef.h' bpf: selftests: Remove unused 'nospace_err' in tests for batched ops in array maps Ravi Bangoria (1): selftests/bpf: Use nanosleep() syscall instead of sleep() in get_cgroup_id Wei Yongjun (1): bpf: Make symbol 'bpf_task_storage_busy' static Yonghong Song (1): bpf: net: Emit anonymous enum with BPF_TCP_CLOSE value explicitly arch/s390/net/bpf_jit_comp.c | 64 +- drivers/net/ethernet/amazon/ena/ena_netdev.c | 21 +- drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c | 20 +- drivers/net/ethernet/freescale/dpaa/dpaa_eth.c | 12 +- drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c | 2 - drivers/net/ethernet/intel/i40e/i40e_txrx.c | 15 +- drivers/net/ethernet/intel/ice/ice_txrx.c | 15 +- drivers/net/ethernet/intel/igb/igb_main.c | 11 +- drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 11 +- drivers/net/ethernet/marvell/mvneta.c | 13 +- drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 13 +- drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c | 15 +- drivers/net/ethernet/qlogic/qede/qede_fp.c | 19 +- drivers/net/ethernet/sfc/tx.c | 15 +- drivers/net/ethernet/socionext/netsec.c | 16 +- drivers/net/ethernet/ti/cpsw.c | 14 +- drivers/net/ethernet/ti/cpsw_new.c | 14 +- drivers/net/ethernet/ti/cpsw_priv.c | 11 +- drivers/net/tun.c | 15 +- drivers/net/veth.c | 28 +- drivers/net/virtio_net.c | 25 +- drivers/net/xen-netfront.c | 18 +- include/linux/btf.h | 1 + kernel/bpf/bpf_lsm.c | 4 +- kernel/bpf/bpf_task_storage.c | 2 +- kernel/bpf/devmap.c | 30 +- kernel/bpf/hashtab.c | 2 +- kernel/bpf/verifier.c | 1 - net/core/filter.c | 6 + net/ipv4/tcp.c | 12 + samples/bpf/do_hbm_test.sh | 2 +- tools/bpf/bpftool/Documentation/bpftool-gen.rst | 78 +- tools/bpf/bpftool/bash-completion/bpftool | 17 +- tools/bpf/bpftool/btf.c | 3 + tools/bpf/bpftool/gen.c | 72 +- tools/bpf/bpftool/main.c | 3 +- tools/bpf/bpftool/map.c | 2 +- tools/lib/bpf/Build | 2 +- tools/lib/bpf/Makefile | 1 - tools/lib/bpf/bpf_helpers.h | 21 +- tools/lib/bpf/btf.c | 714 ++++--- tools/lib/bpf/btf.h | 3 + tools/lib/bpf/btf_dump.c | 8 +- tools/lib/bpf/libbpf.c | 15 +- tools/lib/bpf/libbpf.h | 14 + tools/lib/bpf/libbpf.map | 5 + tools/lib/bpf/libbpf_internal.h | 38 +- tools/lib/bpf/libbpf_util.h | 75 - tools/lib/bpf/linker.c | 1944 ++++++++++++++++++++ tools/lib/bpf/strset.c | 176 ++ tools/lib/bpf/strset.h | 21 + tools/lib/bpf/xsk.h | 70 +- tools/testing/selftests/bpf/Makefile | 34 +- tools/testing/selftests/bpf/get_cgroup_id_user.c | 6 +- .../selftests/bpf/map_tests/array_map_batch_ops.c | 5 - .../selftests/bpf/prog_tests/static_linked.c | 40 + tools/testing/selftests/bpf/progs/bind4_prog.c | 25 + tools/testing/selftests/bpf/progs/bind6_prog.c | 25 + tools/testing/selftests/bpf/progs/fentry_test.c | 2 +- tools/testing/selftests/bpf/progs/fexit_test.c | 4 +- tools/testing/selftests/bpf/progs/skb_pkt_end.c | 1 - .../selftests/bpf/progs/test_global_func10.c | 2 +- .../selftests/bpf/progs/test_static_linked1.c | 30 + .../selftests/bpf/progs/test_static_linked2.c | 31 + tools/testing/selftests/bpf/xdpxceiver.c | 4 +- 65 files changed, 3200 insertions(+), 738 deletions(-) delete mode 100644 tools/lib/bpf/libbpf_util.h create mode 100644 tools/lib/bpf/linker.c create mode 100644 tools/lib/bpf/strset.c create mode 100644 tools/lib/bpf/strset.h create mode 100644 tools/testing/selftests/bpf/prog_tests/static_linked.c create mode 100644 tools/testing/selftests/bpf/progs/test_static_linked1.c create mode 100644 tools/testing/selftests/bpf/progs/test_static_linked2.c