diff options
| author | Dave Thaler | 2023-06-27 21:39:12 +0000 |
|---|---|---|
| committer | Daniel Borkmann | 2023-06-29 15:58:50 +0200 |
| commit | 85b0c6d4905ec21cd22cb18da701aa02278ccc4c (patch) | |
| tree | 4cf7d475e5e0f8ee45a12d89f1d99a3b6c8317f9 /Documentation/bpf | |
| parent | bbaf1ff06af49e856501024abbe161d96c1f0d66 (diff) | |
bpf, docs: Fix definition of BPF_NEG operation
Instruction is an arithmetic negative, not a bitwise inverse.
Signed-off-by: Dave Thaler <dthaler@microsoft.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: David Vernet <void@manifault.com>
Link: https://lore.kernel.org/bpf/20230627213912.951-1-dthaler1968@googlemail.com
Diffstat (limited to 'Documentation/bpf')
| -rw-r--r-- | Documentation/bpf/instruction-set.rst | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/bpf/instruction-set.rst b/Documentation/bpf/instruction-set.rst index 6644842cd3ea..751e657973f0 100644 --- a/Documentation/bpf/instruction-set.rst +++ b/Documentation/bpf/instruction-set.rst @@ -165,7 +165,7 @@ BPF_OR 0x40 dst \|= src BPF_AND 0x50 dst &= src BPF_LSH 0x60 dst <<= (src & mask) BPF_RSH 0x70 dst >>= (src & mask) -BPF_NEG 0x80 dst = ~src +BPF_NEG 0x80 dst = -src BPF_MOD 0x90 dst = (src != 0) ? (dst % src) : dst BPF_XOR 0xa0 dst ^= src BPF_MOV 0xb0 dst = src |