OpenSDV
/
original_kernel
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

bpf, docs: Delete misformatted table. 

Delete misformatted table.

Fixes: 6166da0a02 ("bpf, docs: Move legacy packet instructions to a separate file")
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Alexei Starovoitov 2022-10-01 08:49:45 -07:00
parent 5f388bba7a
commit b502a6fb46
1 changed files with 0 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
Documentation/bpf/linux-notes.rst
View File

@ -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:: ``BPF_IND | BPF_W | BPF_LD`` (0x40) means::
R0 = ntohl(*(u32 *) ((struct sk_buff *) R6->data + src + imm)) 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`_