netdev - [PATCH v3 bpf-next 0/3] bpf: Add array support to btf_struct

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Message-ID: <20191107014639.384014-1-kafai@fb.com>
Date:   Wed, 6 Nov 2019 17:46:39 -0800
From:   Martin KaFai Lau <kafai@...com>
To:     <bpf@...r.kernel.org>, <netdev@...r.kernel.org>
CC:     Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        David Miller <davem@...emloft.net>, <kernel-team@...com>
Subject: [PATCH v3 bpf-next 0/3] bpf: Add array support to btf_struct_access

This series adds array support to btf_struct_access().
Please see individual patch for details.

v3:
- Fixed an interpreter issue that missed accounting
  for insn->off

v2:
- Fix a divide-by-zero when there is empty array in
  a struct (e.g. "__u8 __cloned_offset[0];" in skbuff)
- Add 'static' to a global var in prog_tests/kfree_skb.c

Martin KaFai Lau (3):
  bpf: Account for insn->off when doing bpf_probe_read_kernel
  bpf: Add array support to btf_struct_access
  bpf: Add cb access in kfree_skb test

 kernel/bpf/btf.c                              | 187 +++++++++++++++---
 kernel/bpf/core.c                             |   2 +-
 .../selftests/bpf/prog_tests/kfree_skb.c      |  54 +++--
 tools/testing/selftests/bpf/progs/kfree_skb.c |  25 ++-
 4 files changed, 221 insertions(+), 47 deletions(-)

-- 
2.17.1