[PATCH v5 0/2] Add config file support for l3fwd

[Stephen Hemminger]

On Fri,  4 Feb 2022 19:59:03 +0000
Sean Morrissey <sean.morrissey at intel.com> wrote:

> This patchset introduces config file support for l3fwd
> and its lookup methods LPM, FIB, and EM, similar to
> that of l3fwd-acl. This allows for route rules to be
> defined in configuration files and edited there instead
> of in each of the lookup methods hardcoded route tables.
> 
> V4:
> * Fix nondeterministic bug of segfault on termination of
>   sample app.
> V5:
> * Reintroduce hardcoded tables as to not break dts and
>   allow for hardcoded tables to be used if no config
>   files presented.
> 
> Sean Morrissey (2):
>   examples/l3fwd: add config file support for LPM/FIB
>   examples/l3fwd: add config file support for EM
> 
>  doc/guides/sample_app_ug/l3_forward.rst |  89 +++--
>  examples/l3fwd/em_default_v4.cfg        |  17 +
>  examples/l3fwd/em_default_v6.cfg        |  17 +
>  examples/l3fwd/l3fwd.h                  |  41 +++
>  examples/l3fwd/l3fwd_em.c               | 471 +++++++++++++++++-------
>  examples/l3fwd/l3fwd_fib.c              |  50 +--
>  examples/l3fwd/l3fwd_lpm.c              | 315 +++++++++++++++-
>  examples/l3fwd/l3fwd_route.h            |  41 +++
>  examples/l3fwd/lpm_default_v4.cfg       |  17 +
>  examples/l3fwd/lpm_default_v6.cfg       |  17 +
>  examples/l3fwd/main.c                   |  68 +++-
>  11 files changed, 949 insertions(+), 194 deletions(-)
>  create mode 100644 examples/l3fwd/em_default_v4.cfg
>  create mode 100644 examples/l3fwd/em_default_v6.cfg
>  create mode 100644 examples/l3fwd/lpm_default_v4.cfg
>  create mode 100644 examples/l3fwd/lpm_default_v6.cfg
> 

Why not use the DPDK cfgfile library and format?
It is model after standard INI format.