Hi David, hi Jakub,
The following pull-request contains BPF updates for your *net* tree.
We've added 8 non-merge commits during the last 4 day(s) which contain
a total of 16 files changed, 426 insertions(+), 102 deletions(-).
The main changes are:
1) Fix enforcing NULL check in verifier for new helper return types of
RET_PTR_TO_{BTF_ID,MEM_OR_BTF_ID}_OR_NULL, from Martin KaFai Lau.
2) Fix bpf_redirect_neigh() helper API before it becomes frozen by adding
nexthop information as argument, from Toke Høiland-Jørgensen.
3) Guard & fix compilation of bpf_tail_call_static() when __bpf__ arch is
not defined by compiler or clang too old, from Daniel Borkmann.
4) Remove misplaced break after return in attach_type_to_prog_type(), from
Tom Rix.
Please consider pulling these changes from:
git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git
Thanks a lot!
Also thanks to reporters, reviewers and testers of commits in this pull-request:
Andrii Nakryiko, David Ahern, Yaniv Agman, Yonghong Song
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The following changes since commit 0e8b8d6a2d85344d80dda5beadd98f5f86e8d3d3:
net: core: use list_del_init() instead of list_del() in netdev_run_todo() (2020-10-18 14:50:25 -0700)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git
for you to fetch changes up to 3652c9a1b1fe6cbdd4510eb220db548bff8704ae:
bpf, libbpf: Guard bpf inline asm from bpf_tail_call_static (2020-10-22 01:46:52 +0200)
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Daniel Borkmann (2):
bpf, doc: Fix patchwork URL to point to kernel.org instance
bpf, libbpf: Guard bpf inline asm from bpf_tail_call_static
Martin KaFai Lau (3):
bpf: Enforce id generation for all may-be-null register type
bpf: selftest: Ensure the return value of bpf_skc_to helpers must be checked
bpf: selftest: Ensure the return value of the bpf_per_cpu_ptr() must be checked
Toke Høiland-Jørgensen (2):
bpf: Fix bpf_redirect_neigh helper api to support supplying nexthop
bpf, selftests: Extend test_tc_redirect to use modified bpf_redirect_neigh()
Tom Rix (1):
bpf: Remove unneeded break
MAINTAINERS | 3 +-
include/linux/filter.h | 9 ++
include/uapi/linux/bpf.h | 22 ++-
kernel/bpf/syscall.c | 1 -
kernel/bpf/verifier.c | 11 +-
net/core/filter.c | 158 +++++++++++++--------
samples/bpf/sockex3_kern.c | 8 +-
scripts/bpf_helpers_doc.py | 1 +
tools/include/uapi/linux/bpf.h | 22 ++-
tools/lib/bpf/bpf_helpers.h | 2 +
tools/testing/selftests/bpf/prog_tests/ksyms_btf.c | 57 +++++---
.../bpf/progs/test_ksyms_btf_null_check.c | 31 ++++
tools/testing/selftests/bpf/progs/test_tc_neigh.c | 5 +-
.../selftests/bpf/progs/test_tc_neigh_fib.c | 155 ++++++++++++++++++++
tools/testing/selftests/bpf/test_tc_redirect.sh | 18 ++-
tools/testing/selftests/bpf/verifier/sock.c | 25 ++++
16 files changed, 426 insertions(+), 102 deletions(-)
create mode 100644 tools/testing/selftests/bpf/progs/test_ksyms_btf_null_check.c
create mode 100644 tools/testing/selftests/bpf/progs/test_tc_neigh_fib.c
