Simon Sundberg 7410d5cc2c pping: Various minor fixes ...

Perform various fixes and tweaks:
- Rename several defines to make them more informative
- Remove unrolling of loop in BPF programs
- Reuse defines for program sections between userspace and kernel
  space programs
- Perform fork+exec to run bpf_egress_loader script instead of
  system()
- Add comment to copied scripts indicating I've modified them
- Add pping.h and pping_helpers.h as dependencies in Makefile

Also, add a brief description of what PPing is and how it works to
README

Signed-off-by: Simon Sundberg <simon.sundberg@kau.se>

2021-02-04 19:48:01 +01:00

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