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* tools: bpf: handle long path in jit disasmPrashant Bhole2017-11-02
| | | | | | | Use PATH_MAX instead of hardcoded array size 256 Signed-off-by: Prashant Bhole <bhole_prashant_q7@lab.ntt.co.jp> Signed-off-by: David S. Miller <davem@davemloft.net>
* tools: bpftool: add JSON output for `bpftool prog dump jited *` commandQuentin Monnet2017-10-23
| | | | | | | | | | | | | | | | Reuse the json_writer API introduced in an earlier commit to make bpftool able to generate JSON output on `bpftool prog show *` commands. A new printing function is created to be passed as an argument to the disassembler. Similarly to plain output, opcodes are printed on request. Outputs from sample programs have been successfully tested against a JSON validator. Signed-off-by: Quentin Monnet <quentin.monnet@netronome.com> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* tools: bpf: add bpftoolJakub Kicinski2017-10-05
Add a simple tool for querying and updating BPF objects on the system. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Simon Horman <simon.horman@netronome.com> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>