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| author |   Jakub Kicinski <jakub.kicinski@netronome.com> | 2018-07-10 14:43:07 -0700 |
|---|---|---|
| committer |   Daniel Borkmann <daniel@iogearbox.net> | 2018-07-11 22:13:34 +0200 |
| commit | 3ff5a4dc5d890963e669fc99cc62ee07d1da24e8 (patch) | |
| tree | 227ec4a474eaa03236f5ce8df1df25d890846ee4 /tools/bpf/bpftool/main.h | |
| parent | tools: libbpf: allow map reuse (diff) | |
| download | linux-dev-3ff5a4dc5d890963e669fc99cc62ee07d1da24e8.tar.xz linux-dev-3ff5a4dc5d890963e669fc99cc62ee07d1da24e8.zip | |
tools: bpftool: allow reuse of maps with bpftool prog load
Add map parameter to prog load which will allow reuse of existing
maps instead of creating new ones.
We need feature detection and compat code for reallocarray, since
it's not available in many libc versions.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'tools/bpf/bpftool/main.h')
| -rw-r--r-- | tools/bpf/bpftool/main.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/bpf/bpftool/main.h b/tools/bpf/bpftool/main.h index 1e02e4031693..41004bb2644a 100644 --- a/tools/bpf/bpftool/main.h +++ b/tools/bpf/bpftool/main.h @@ -75,6 +75,8 @@ "PROG := { id PROG_ID | pinned FILE | tag PROG_TAG }" #define HELP_SPEC_OPTIONS \ "OPTIONS := { {-j|--json} [{-p|--pretty}] | {-f|--bpffs} }" +#define HELP_SPEC_MAP \ + "MAP := { id MAP_ID | pinned FILE }" enum bpf_obj_type { BPF_OBJ_UNKNOWN, @@ -136,6 +138,7 @@ int do_cgroup(int argc, char **arg); int do_perf(int argc, char **arg); int prog_parse_fd(int *argc, char ***argv); +int map_parse_fd(int *argc, char ***argv); int map_parse_fd_and_info(int *argc, char ***argv, void *info, __u32 *info_len); void disasm_print_insn(unsigned char *image, ssize_t len, int opcodes, |