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RTABLE_ADD(9) Kernel Developer's Manual RTABLE_ADD(9)

rtable_add, rtable_exists, rtable_l2, rtable_l2setrouting tables and routing domains interface

#include <net/rtable.h>

rtable_add(unsigned int id);

rtable_exists(unsigned int id);

unsigned int
rtable_l2(unsigned int id);

rtable_l2set(unsigned int id, unsigned int rdomain);

Routing tables contain layer 2 and 3 forwarding information. Each address family in use will have its own routing table. Routing domains are a way of logically segmenting a router among multiple networks and may contain more than one routing table.

(unsigned int id)
Add routing table with ID of id to routing domain 0.
(unsigned int id)
Return 1 if routing table with ID id exists, 0 otherwise.
(unsigned int id)
Get the routing domain of routing table with ID of id.
(unsigned int id, unsigned int rdomain)
Place routing table with ID of id under the routing domain with ID of rdomain.

rtable_add(), rtable_exists(), rtable_l2(), and task_l2set() can be called during autoconf, from process context, or from interrupt context.

rtable_add() may fail with:

A routing table with ID of id already exists.
Memory could not be allocated to extend the list of routing domains.

route(4), route(8)

December 11, 2015 OpenBSD-5.9