diff options
-rw-r--r-- | tools/bpf/bpftool/Documentation/bpftool-map.rst | 8 | ||||
-rw-r--r-- | tools/bpf/bpftool/Documentation/bpftool-prog.rst | 8 | ||||
-rw-r--r-- | tools/bpf/bpftool/Documentation/bpftool.rst | 8 | ||||
-rw-r--r-- | tools/bpf/bpftool/main.c | 27 |
4 files changed, 50 insertions, 1 deletions
diff --git a/tools/bpf/bpftool/Documentation/bpftool-map.rst b/tools/bpf/bpftool/Documentation/bpftool-map.rst index ff63e89e4b6c..5210c4fab356 100644 --- a/tools/bpf/bpftool/Documentation/bpftool-map.rst +++ b/tools/bpf/bpftool/Documentation/bpftool-map.rst @@ -68,6 +68,14 @@ DESCRIPTION **bpftool map help** Print short help message. +OPTIONS +======= + -h, --help + Print short generic help message (similar to **bpftool help**). + + -v, --version + Print version number (similar to **bpftool version**). + EXAMPLES ======== **# bpftool map show** diff --git a/tools/bpf/bpftool/Documentation/bpftool-prog.rst b/tools/bpf/bpftool/Documentation/bpftool-prog.rst index 69b3770370c8..6620a81d9dc9 100644 --- a/tools/bpf/bpftool/Documentation/bpftool-prog.rst +++ b/tools/bpf/bpftool/Documentation/bpftool-prog.rst @@ -50,6 +50,14 @@ DESCRIPTION **bpftool prog help** Print short help message. +OPTIONS +======= + -h, --help + Print short generic help message (similar to **bpftool help**). + + -v, --version + Print version number (similar to **bpftool version**). + EXAMPLES ======== **# bpftool prog show** diff --git a/tools/bpf/bpftool/Documentation/bpftool.rst b/tools/bpf/bpftool/Documentation/bpftool.rst index 45ad8baf1915..9c04cd6677bd 100644 --- a/tools/bpf/bpftool/Documentation/bpftool.rst +++ b/tools/bpf/bpftool/Documentation/bpftool.rst @@ -31,6 +31,14 @@ DESCRIPTION Note that format of the output of all tools is not guaranteed to be stable and should not be depended upon. +OPTIONS +======= + -h, --help + Print short help message (similar to **bpftool help**). + + -v, --version + Print version number (similar to **bpftool version**). + SEE ALSO ======== **bpftool-map**\ (8), **bpftool-prog**\ (8) diff --git a/tools/bpf/bpftool/main.c b/tools/bpf/bpftool/main.c index 814d19e1b53f..613e3c75f78a 100644 --- a/tools/bpf/bpftool/main.c +++ b/tools/bpf/bpftool/main.c @@ -36,6 +36,7 @@ #include <bfd.h> #include <ctype.h> #include <errno.h> +#include <getopt.h> #include <linux/bpf.h> #include <linux/version.h> #include <stdio.h> @@ -215,8 +216,32 @@ err_close: int main(int argc, char **argv) { + static const struct option options[] = { + { "help", no_argument, NULL, 'h' }, + { "version", no_argument, NULL, 'V' }, + { 0 } + }; + int opt; + + last_do_help = do_help; bin_name = argv[0]; - NEXT_ARG(); + + while ((opt = getopt_long(argc, argv, "Vh", + options, NULL)) >= 0) { + switch (opt) { + case 'V': + return do_version(argc, argv); + case 'h': + return do_help(argc, argv); + default: + usage(); + } + } + + argc -= optind; + argv += optind; + if (argc < 0) + usage(); bfd_init(); |