pimd,yang: Expand rpf-lookup-mode command

Add options for group-list and source-list, both of which take a prefix list name.
The prefix list is used to determine the lookup mode for specific sources and/or groups.
Any number of lookup modes can be configured as long as the combination of group
and source list is unique.
A global lookup mode (empty group and source lists) is always added and defaults to mrib-then-urib
as it currently functions. The global lookup mode can be changed as it current exists with the command
`rpf-lookup-mode MODE`.
When determinig which mode to use, match source (and group if provided) against the lists, if they are set.
If a lookup does not specify a group, then only use lookup modes that do not have a group list defined.
A lookup by definition will have a source, so no special handling there.

Signed-off-by: Nathan Bahr <nbahr@atcorp.com>

0 files changed, 0 insertions, 0 deletions