Modules

Modules

• libbpfilter
  • bf_ruleset_get()
  • bf_ruleset_set()
  • bf_ruleset_flush()
  • bf_chain_set()
  • bf_chain_get()
  • bf_chain_prog_fd()
  • bf_chain_logs_fd()
  • bf_chain_load()
  • bf_chain_attach()
  • bf_chain_update()
  • bf_chain_update_set()
  • bf_chain_flush()
  • Pack
  • Rule

bpfilter is composed of multiple modules depending on each other. Splitting the project in different modules allows for the source code to be efficiently reused:

• core: core definitions used by bfcli and libbpfilter.

• libbpfilter: core library containing all filtering logic, BPF code generation, and program lifecycle management.

• bfcli: CLI tool for defining and managing filtering rules via libbpfilter.

• external: non-bpfilter code, imported into the project to provide consistent external definitions.