Hi David, hi Jakub, hi Paolo, hi Eric,
The following pull-request contains BPF updates for your *net-next* tree.
We've added 30 non-merge commits during the last 7 day(s) which contain
a total of 58 files changed, 1598 insertions(+), 154 deletions(-).
There is a small merge conflict in Documentation/netlink/specs/netdev.yaml
between net-next merge of a379972973a8 ("Merge branch 'net-page_pool-add-
netlink-based-introspection'") and bpf-next commit 48eb03dd2630 ("xsk: Add
TX timestamp and TX checksum offload support") - resolution is to take both
hunks with xsk-features hunk coming right after the xdp-rx-metadata.
The main changes are:
1) Add initial TX metadata implementation for AF_XDP with support in mlx5
and stmmac drivers. Two types of offloads are supported right now, that
is, TX timestamp and TX checksum offload, from Stanislav Fomichev with
stmmac implementation from Song Yoong Siang.
2) Change BPF verifier logic to validate global subprograms lazily instead of
unconditionally before the main program, so they can be guarded using BPF
CO-RE techniques, from Andrii Nakryiko.
3) Add BPF link_info support for uprobe multi link along with bpftool
integration for the latter, from Jiri Olsa.
4) Use pkg-config in BPF selftests to determine ld flags which is in
particular needed for linking statically, from Akihiko Odaki.
5) Fix a few BPF selftest failures to adapt to the upcoming LLVM18, from
Yonghong Song.
Please consider pulling these changes from:
git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git tags/for-netdev
Thanks a lot!
Also thanks to reporters, reviewers and testers of commits in this pull-request:
Andrii Nakryiko, Daniel Borkmann, Eduard Zingerman, Jakub Kicinski,
Johan Almbladh, Quentin Monnet, Song Liu, Song Yoong Siang, Yafang Shao,
Yonghong Song
----------------------------------------------------------------
The following changes since commit 45c226dde742a92e22dcd65b96bf7e02620a9c19:
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net (2023-11-23 12:20:58 -0800)
are available in the Git repository at:
https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git tags/for-netdev
for you to fetch changes up to f690ff9122d2ca8e38769f3bcf217bd3df681a36:
bpf/tests: Remove duplicate JSGT tests (2023-11-30 12:17:33 +0100)
----------------------------------------------------------------
bpf-next-for-netdev
----------------------------------------------------------------
Akihiko Odaki (3):
selftests/bpf: Choose pkg-config for the target
selftests/bpf: Override PKG_CONFIG for static builds
selftests/bpf: Use pkg-config for libelf
Alexei Starovoitov (1):
Merge branch 'xsk-tx-metadata'
Andrii Nakryiko (5):
bpf: Emit global subprog name in verifier logs
bpf: Validate global subprogs lazily
selftests/bpf: Add lazy global subprog validation tests
Merge branch 'bpf-add-link_info-support-for-uprobe-multi-link'
Merge branch 'selftests-bpf-use-pkg-config-to-determine-ld-flags'
Eduard Zingerman (1):
libbpf: Start v1.4 development cycle
Jiri Olsa (6):
libbpf: Add st_type argument to elf_resolve_syms_offsets function
bpf: Store ref_ctr_offsets values in bpf_uprobe array
bpf: Add link_info support for uprobe multi link
selftests/bpf: Use bpf_link__destroy in fill_link_info tests
selftests/bpf: Add link_info test for uprobe_multi link
bpftool: Add support to display uprobe_multi links
Song Yoong Siang (1):
net: stmmac: Add Tx HWTS support to XDP ZC
Stanislav Fomichev (14):
bpftool: mark orphaned programs during prog show
selftests/bpf: update test_offload to use new orphaned property
xsk: Support tx_metadata_len
xsk: Add TX timestamp and TX checksum offload support
tools: ynl: Print xsk-features from the sample
net/mlx5e: Implement AF_XDP TX timestamp and checksum offload
xsk: Document tx_metadata_len layout
xsk: Validate xsk_tx_metadata flags
xsk: Add option to calculate TX checksum in SW
selftests/xsk: Support tx_metadata_len
selftests/bpf: Add csum helpers
selftests/bpf: Add TX side to xdp_metadata
selftests/bpf: Convert xdp_hw_metadata to XDP_USE_NEED_WAKEUP
selftests/bpf: Add TX side to xdp_hw_metadata
Yonghong Song (1):
bpf: Fix a few selftest failures due to llvm18 change
Yujie Liu (1):
bpf/tests: Remove duplicate JSGT tests
Documentation/netlink/specs/netdev.yaml | 19 +-
Documentation/networking/index.rst | 1 +
Documentation/networking/xdp-rx-metadata.rst | 2 +
Documentation/networking/xsk-tx-metadata.rst | 79 +++++++
drivers/net/ethernet/mellanox/mlx5/core/en.h | 4 +-
drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c | 72 +++++-
drivers/net/ethernet/mellanox/mlx5/core/en/xdp.h | 11 +-
.../net/ethernet/mellanox/mlx5/core/en/xsk/tx.c | 17 +-
drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 1 +
drivers/net/ethernet/stmicro/stmmac/stmmac.h | 12 +
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 64 +++++-
include/linux/bpf.h | 2 +
include/linux/netdevice.h | 2 +
include/linux/skbuff.h | 14 +-
include/net/xdp_sock.h | 111 ++++++++++
include/net/xdp_sock_drv.h | 34 +++
include/net/xsk_buff_pool.h | 8 +
include/uapi/linux/bpf.h | 10 +
include/uapi/linux/if_xdp.h | 47 +++-
include/uapi/linux/netdev.h | 16 ++
kernel/bpf/verifier.c | 83 +++++--
kernel/trace/bpf_trace.c | 86 +++++++-
lib/test_bpf.c | 2 -
net/bpf/test_run.c | 2 +-
net/core/netdev-genl.c | 13 +-
net/xdp/xdp_umem.c | 11 +-
net/xdp/xsk.c | 56 ++++-
net/xdp/xsk_buff_pool.c | 2 +
net/xdp/xsk_queue.h | 19 +-
tools/bpf/bpftool/link.c | 105 ++++++++-
tools/bpf/bpftool/prog.c | 14 +-
tools/include/uapi/linux/bpf.h | 10 +
tools/include/uapi/linux/if_xdp.h | 61 +++++-
tools/include/uapi/linux/netdev.h | 16 ++
tools/lib/bpf/elf.c | 5 +-
tools/lib/bpf/libbpf.c | 2 +-
tools/lib/bpf/libbpf.map | 3 +
tools/lib/bpf/libbpf_internal.h | 3 +-
tools/lib/bpf/libbpf_version.h | 2 +-
tools/net/ynl/generated/netdev-user.c | 19 ++
tools/net/ynl/generated/netdev-user.h | 3 +
tools/net/ynl/samples/netdev.c | 10 +-
tools/testing/selftests/bpf/Makefile | 14 +-
tools/testing/selftests/bpf/README.rst | 2 +-
tools/testing/selftests/bpf/network_helpers.h | 43 ++++
.../selftests/bpf/prog_tests/fill_link_info.c | 242 +++++++++++++++++++--
.../selftests/bpf/prog_tests/uprobe_multi_test.c | 2 +-
tools/testing/selftests/bpf/prog_tests/verifier.c | 2 +
.../selftests/bpf/prog_tests/xdp_metadata.c | 33 ++-
.../selftests/bpf/progs/test_fill_link_info.c | 6 +
.../selftests/bpf/progs/test_global_func12.c | 4 +-
.../selftests/bpf/progs/test_global_func17.c | 1 +
.../selftests/bpf/progs/verifier_global_subprogs.c | 92 ++++++++
.../bpf/progs/verifier_subprog_precision.c | 4 +-
tools/testing/selftests/bpf/test_offload.py | 15 +-
tools/testing/selftests/bpf/xdp_hw_metadata.c | 235 +++++++++++++++++---
tools/testing/selftests/bpf/xsk.c | 3 +
tools/testing/selftests/bpf/xsk.h | 1 +
58 files changed, 1598 insertions(+), 154 deletions(-)
create mode 100644 Documentation/networking/xsk-tx-metadata.rst
create mode 100644 tools/testing/selftests/bpf/progs/verifier_global_subprogs.c
