diff options
| -rw-r--r-- | tools/bpf/bpftool/Documentation/bpftool-prog.rst | 4 | ||||
| -rw-r--r-- | tools/bpf/bpftool/bash-completion/bpftool | 3 | ||||
| -rw-r--r-- | tools/bpf/bpftool/prog.c | 24 |
3 files changed, 28 insertions, 3 deletions
diff --git a/tools/bpf/bpftool/Documentation/bpftool-prog.rst b/tools/bpf/bpftool/Documentation/bpftool-prog.rst index 984d125c507a..15e9172f7e55 100644 --- a/tools/bpf/bpftool/Documentation/bpftool-prog.rst +++ b/tools/bpf/bpftool/Documentation/bpftool-prog.rst @@ -80,7 +80,7 @@ DESCRIPTION contain a dot character ('.'), which is reserved for future extensions of *bpffs*. - **bpftool prog { load | loadall }** *OBJ* *PATH* [**type** *TYPE*] [**map** {**idx** *IDX* | **name** *NAME*} *MAP*] [**dev** *NAME*] + **bpftool prog { load | loadall }** *OBJ* *PATH* [**type** *TYPE*] [**map** {**idx** *IDX* | **name** *NAME*} *MAP*] [**dev** *NAME*] [**pinmaps** *MAP_DIR*] Load bpf program(s) from binary *OBJ* and pin as *PATH*. **bpftool prog load** pins only the first program from the *OBJ* as *PATH*. **bpftool prog loadall** pins all programs @@ -96,6 +96,8 @@ DESCRIPTION use, referring to it by **id** or through a **pinned** file. If **dev** *NAME* is specified program will be loaded onto given networking device (offload). + Optional **pinmaps** argument can be provided to pin all + maps under *MAP_DIR* directory. Note: *PATH* must be located in *bpffs* mount. It must not contain a dot character ('.'), which is reserved for future diff --git a/tools/bpf/bpftool/bash-completion/bpftool b/tools/bpf/bpftool/bash-completion/bpftool index 780ebafb756a..a05d0071f39f 100644 --- a/tools/bpf/bpftool/bash-completion/bpftool +++ b/tools/bpf/bpftool/bash-completion/bpftool @@ -346,7 +346,7 @@ _bpftool() _bpftool_get_map_ids return 0 ;; - pinned) + pinned|pinmaps) _filedir return 0 ;; @@ -358,6 +358,7 @@ _bpftool() COMPREPLY=( $( compgen -W "map" -- "$cur" ) ) _bpftool_once_attr 'type' _bpftool_once_attr 'dev' + _bpftool_once_attr 'pinmaps' return 0 ;; esac diff --git a/tools/bpf/bpftool/prog.c b/tools/bpf/bpftool/prog.c index 97d930042cd5..c2ce4220bbca 100644 --- a/tools/bpf/bpftool/prog.c +++ b/tools/bpf/bpftool/prog.c @@ -802,6 +802,7 @@ static int load_with_options(int argc, char **argv, bool first_prog_only) struct map_replace *map_replace = NULL; struct bpf_program *prog = NULL, *pos; unsigned int old_map_fds = 0; + const char *pinmaps = NULL; struct bpf_object *obj; struct bpf_map *map; const char *pinfile; @@ -906,6 +907,13 @@ static int load_with_options(int argc, char **argv, bool first_prog_only) goto err_free_reuse_maps; } NEXT_ARG(); + } else if (is_prefix(*argv, "pinmaps")) { + NEXT_ARG(); + + if (!REQ_ARGS(1)) + goto err_free_reuse_maps; + + pinmaps = GET_ARG(); } else { p_err("expected no more arguments, 'type', 'map' or 'dev', got: '%s'?", *argv); @@ -1028,6 +1036,14 @@ static int load_with_options(int argc, char **argv, bool first_prog_only) } } + if (pinmaps) { + err = bpf_object__pin_maps(obj, pinmaps); + if (err) { + p_err("failed to pin all maps"); + goto err_unpin; + } + } + if (json_output) jsonw_null(json_wtr); @@ -1038,6 +1054,11 @@ static int load_with_options(int argc, char **argv, bool first_prog_only) return 0; +err_unpin: + if (first_prog_only) + unlink(pinfile); + else + bpf_object__unpin_programs(obj, pinfile); err_close_obj: bpf_object__close(obj); err_free_reuse_maps: @@ -1071,7 +1092,8 @@ static int do_help(int argc, char **argv) " %s %s pin PROG FILE\n" " %s %s { load | loadall } OBJ PATH \\\n" " [type TYPE] [dev NAME] \\\n" - " [map { idx IDX | name NAME } MAP]\n" + " [map { idx IDX | name NAME } MAP]\\\n" + " [pinmaps MAP_DIR]\n" " %s %s attach PROG ATTACH_TYPE MAP\n" " %s %s detach PROG ATTACH_TYPE MAP\n" " %s %s help\n" |