1.\" $OpenBSD: rtable_add.9,v 1.7 2015/12/11 16:08:30 mpi Exp $ 2.\" 3.\" Copyright (c) 2011 Bret S. Lambert <blambert@openbsd.org> 4.\" All rights reserved. 5.\" 6.\" Permission to use, copy, modify, and distribute this software for any 7.\" purpose with or without fee is hereby granted, provided that the above 8.\" copyright notice and this permission notice appear in all copies. 9.\" 10.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17.\" 18.Dd $Mdocdate: December 11 2015 $ 19.Dt RTABLE_ADD 9 20.Os 21.Sh NAME 22.Nm rtable_add , 23.Nm rtable_exists , 24.Nm rtable_l2 , 25.Nm rtable_l2set 26.Nd routing tables and routing domains interface 27.Sh SYNOPSIS 28.In net/rtable.h 29.Ft int 30.Fn rtable_add "unsigned int id" 31.Ft int 32.Fn rtable_exists "unsigned int id" 33.Ft unsigned int 34.Fn rtable_l2 "unsigned int id" 35.Ft void 36.Fn rtable_l2set "unsigned int id" "unsigned int rdomain" 37.Sh DESCRIPTION 38Routing tables contain layer 2 and 3 forwarding information. 39Each address family in use will have its own routing table. 40Routing domains are a way of logically segmenting a router among multiple 41networks and may contain more than one routing table. 42.Bl -tag -width Ds 43.It Fn rtable_add "unsigned int id" 44Add routing table with ID of 45.Fa id 46to routing domain 47.Fa 0 . 48.It Fn rtable_exists "unsigned int id" 49Return 50.Fa 1 51if routing table with ID 52.Fa id 53exists, 54.Fa 0 55otherwise. 56.It Fn rtable_l2 "unsigned int id" 57Get the routing domain of routing table with ID of 58.Fa id . 59.It Fn rtable_l2set "unsigned int id" "unsigned int rdomain" 60Place routing table with ID of 61.Fa id 62under the routing domain with ID of 63.Fa rdomain . 64.El 65.Sh CONTEXT 66.Fn rtable_add , 67.Fn rtable_exists , 68.Fn rtable_l2 , 69and 70.Fn task_l2set 71can be called during autoconf, from process context, or from interrupt context. 72.Sh RETURN VALUES 73.Fn rtable_add 74may fail with: 75.Pp 76.Bl -tag -width Er -compact 77.It Bq Er EEXIST 78A routing table with ID of 79.Fa id 80already exists. 81.It Bq Er ENOMEM 82Memory could not be allocated to extend the list of routing domains. 83.El 84.Sh SEE ALSO 85.Xr route 4 , 86.Xr route 8 87