diff options
Diffstat (limited to 'tools/bpf/bpftool/Documentation/bpftool-map.rst')
| -rw-r--r-- | tools/bpf/bpftool/Documentation/bpftool-map.rst | 29 |
1 files changed, 20 insertions, 9 deletions
diff --git a/tools/bpf/bpftool/Documentation/bpftool-map.rst b/tools/bpf/bpftool/Documentation/bpftool-map.rst index 457e868bd32f..5f512b14bff9 100644 --- a/tools/bpf/bpftool/Documentation/bpftool-map.rst +++ b/tools/bpf/bpftool/Documentation/bpftool-map.rst @@ -23,10 +23,10 @@ MAP COMMANDS | **bpftool** **map { show | list }** [*MAP*] | **bpftool** **map dump** *MAP* -| **bpftool** **map update** *MAP* **key** *BYTES* **value** *VALUE* [*UPDATE_FLAGS*] -| **bpftool** **map lookup** *MAP* **key** *BYTES* -| **bpftool** **map getnext** *MAP* [**key** *BYTES*] -| **bpftool** **map delete** *MAP* **key** *BYTES* +| **bpftool** **map update** *MAP* **key** [**hex**] *BYTES* **value** [**hex**] *VALUE* [*UPDATE_FLAGS*] +| **bpftool** **map lookup** *MAP* **key** [**hex**] *BYTES* +| **bpftool** **map getnext** *MAP* [**key** [**hex**] *BYTES*] +| **bpftool** **map delete** *MAP* **key** [**hex**] *BYTES* | **bpftool** **map pin** *MAP* *FILE* | **bpftool** **map help** | @@ -48,20 +48,26 @@ DESCRIPTION **bpftool map dump** *MAP* Dump all entries in a given *MAP*. - **bpftool map update** *MAP* **key** *BYTES* **value** *VALUE* [*UPDATE_FLAGS*] + **bpftool map update** *MAP* **key** [**hex**] *BYTES* **value** [**hex**] *VALUE* [*UPDATE_FLAGS*] Update map entry for a given *KEY*. *UPDATE_FLAGS* can be one of: **any** update existing entry or add if doesn't exit; **exist** update only if entry already exists; **noexist** update only if entry doesn't exist. - **bpftool map lookup** *MAP* **key** *BYTES* + If the **hex** keyword is provided in front of the bytes + sequence, the bytes are parsed as hexadeximal values, even if + no "0x" prefix is added. If the keyword is not provided, then + the bytes are parsed as decimal values, unless a "0x" prefix + (for hexadecimal) or a "0" prefix (for octal) is provided. + + **bpftool map lookup** *MAP* **key** [**hex**] *BYTES* Lookup **key** in the map. - **bpftool map getnext** *MAP* [**key** *BYTES*] + **bpftool map getnext** *MAP* [**key** [**hex**] *BYTES*] Get next key. If *key* is not specified, get first key. - **bpftool map delete** *MAP* **key** *BYTES* + **bpftool map delete** *MAP* **key** [**hex**] *BYTES* Remove entry from the map. **bpftool map pin** *MAP* *FILE* @@ -98,7 +104,12 @@ EXAMPLES 10: hash name some_map flags 0x0 key 4B value 8B max_entries 2048 memlock 167936B -**# bpftool map update id 10 key 13 00 07 00 value 02 00 00 00 01 02 03 04** +The following three commands are equivalent: + +| +| **# bpftool map update id 10 key hex 20 c4 b7 00 value hex 0f ff ff ab 01 02 03 4c** +| **# bpftool map update id 10 key 0x20 0xc4 0xb7 0x00 value 0x0f 0xff 0xff 0xab 0x01 0x02 0x03 0x4c** +| **# bpftool map update id 10 key 32 196 183 0 value 15 255 255 171 1 2 3 76** **# bpftool map lookup id 10 key 0 1 2 3** |