Commit b502a6fb authored by Alexei Starovoitov's avatar Alexei Starovoitov
Browse files

bpf, docs: Delete misformatted table. 



Delete misformatted table.

Fixes: 6166da0a ("bpf, docs: Move legacy packet instructions to a separate file")
Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
parent 5f388bba

Documentation/bpf/linux-notes.rst

+0 −17
Original line number Diff line number Diff line
@@ -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`_