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>
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- tools/bpf/bpftool/Documentation/bpftool-prog.rst 18 additions, 2 deletionstools/bpf/bpftool/Documentation/bpftool-prog.rst
- tools/bpf/bpftool/bash-completion/bpftool 61 additions, 6 deletionstools/bpf/bpftool/bash-completion/bpftool
- tools/bpf/bpftool/main.h 3 additions, 0 deletionstools/bpf/bpftool/main.h
- tools/bpf/bpftool/map.c 2 additions, 2 deletionstools/bpf/bpftool/map.c
- tools/bpf/bpftool/prog.c 135 additions, 13 deletionstools/bpf/bpftool/prog.c
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