diff options
Diffstat (limited to 'Documentation/bpf')
| -rw-r--r-- | Documentation/bpf/linux-notes.rst | 17 |
1 files changed, 0 insertions, 17 deletions
diff --git a/Documentation/bpf/linux-notes.rst b/Documentation/bpf/linux-notes.rst index 1c31379b469f..956b0c86699d 100644 --- a/Documentation/bpf/linux-notes.rst +++ b/Documentation/bpf/linux-notes.rst @@ -51,20 +51,3 @@ where ``ntohl()`` converts a 32-bit value from network byte order to host byte o ``BPF_IND | BPF_W | BPF_LD`` (0x40) means:: R0 = ntohl(*(u32 *) ((struct sk_buff *) R6->data + src + imm)) - -Appendix -======== - -For reference, the following table lists legacy Linux-specific opcodes in order by value. - -====== ==== =================================================== ============= -opcode imm description reference -====== ==== =================================================== ============= -0x20 any dst = ntohl(\*(uint32_t \*)(R6->data + imm)) `Legacy BPF Packet access instructions`_ -0x28 any dst = ntohs(\*(uint16_t \*)(R6->data + imm)) `Legacy BPF Packet access instructions`_ -0x30 any dst = (\*(uint8_t \*)(R6->data + imm)) `Legacy BPF Packet access instructions`_ -0x38 any dst = ntohll(\*(uint64_t \*)(R6->data + imm)) `Legacy BPF Packet access instructions`_ -0x40 any dst = ntohl(\*(uint32_t \*)(R6->data + src + imm)) `Legacy BPF Packet access instructions`_ -0x48 any dst = ntohs(\*(uint16_t \*)(R6->data + src + imm)) `Legacy BPF Packet access instructions`_ -0x50 any dst = \*(uint8_t \*)(R6->data + src + imm)) `Legacy BPF Packet access instructions`_ -0x58 any dst = ntohll(\*(uint64_t \*)(R6->data + src + imm)) `Legacy BPF Packet access instructions`_ |