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Command: rtable_add | Section: 9 | Source: OpenBSD | File: rtable_add.9
RTABLE_ADD(9) FreeBSD Kernel Developer's Manual RTABLE_ADD(9)
NAME
rtable_add, rtable_exists, rtable_loindex, rtable_l2, rtable_l2set -
routing tables and routing domains interface
SYNOPSIS
#include <net/rtable.h>
int
rtable_add(unsigned int id);
int
rtable_exists(unsigned int id);
unsigned int
rtable_loindex(unsigned int id);
unsigned int
rtable_l2(unsigned int id);
void
rtable_l2set(unsigned int id, unsigned int rdomain);
DESCRIPTION
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.
rtable_add(unsigned int id)
Add routing table with ID of id to routing domain 0.
rtable_exists(unsigned int id)
Return 1 if routing table with ID id exists, 0 otherwise.
rtable_loindex(unsigned int id)
Return the default lo(4) interface index for the routing table
with ID of id.
rtable_l2(unsigned int id)
Get the routing domain of routing table with ID of id.
rtable_l2set(unsigned int id, unsigned int rdomain)
Place routing table with ID of id under the routing domain with
ID of rdomain.
CONTEXT
rtable_add(), rtable_exists(), rtable_loindex(), rtable_l2(), and
task_l2set() can be called during autoconf, from process context, or from
interrupt context.
RETURN VALUES
rtable_add() may fail with:
[ENOMEM] Memory could not be allocated to extend the list of
routing domains.
SEE ALSO
lo(4), route(4), route(8)
FreeBSD 14.1-RELEASE-p8 March 26, 2021 FreeBSD 14.1-RELEASE-p8