1 | /* $NetBSD: if_agrsoftc.c,v 1.4 2009/03/15 21:23:31 cegger Exp $ */ |
2 | |
3 | /*- |
4 | * Copyright (c)2005 YAMAMOTO Takashi, |
5 | * All rights reserved. |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without |
8 | * modification, are permitted provided that the following conditions |
9 | * are met: |
10 | * 1. Redistributions of source code must retain the above copyright |
11 | * notice, this list of conditions and the following disclaimer. |
12 | * 2. Redistributions in binary form must reproduce the above copyright |
13 | * notice, this list of conditions and the following disclaimer in the |
14 | * documentation and/or other materials provided with the distribution. |
15 | * |
16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
17 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
20 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
21 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
22 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
23 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
24 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
25 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
26 | * SUCH DAMAGE. |
27 | */ |
28 | |
29 | #include <sys/cdefs.h> |
30 | __KERNEL_RCSID(0, "$NetBSD: if_agrsoftc.c,v 1.4 2009/03/15 21:23:31 cegger Exp $" ); |
31 | |
32 | #include <sys/param.h> |
33 | #include <sys/callout.h> |
34 | #include <sys/malloc.h> |
35 | |
36 | #include <net/if.h> |
37 | #include <net/if_ether.h> |
38 | |
39 | #include <net/agr/if_agrvar_impl.h> |
40 | |
41 | /* |
42 | * these functions are isolated from if_agr.c to avoid inclusion of if_ether.h. |
43 | */ |
44 | |
45 | struct agr_softc * |
46 | agr_alloc_softc(void) |
47 | { |
48 | struct agr_softc *sc; |
49 | union { |
50 | struct ifnet u_if; |
51 | struct ethercom u_ec; |
52 | } *u; |
53 | |
54 | /* |
55 | * as we don't know our if_type yet.. |
56 | */ |
57 | |
58 | sc = malloc(sizeof(*sc) - sizeof(sc->sc_if) + sizeof(*u), |
59 | M_DEVBUF, M_WAITOK | M_ZERO); |
60 | |
61 | return sc; |
62 | } |
63 | |
64 | void |
65 | agr_free_softc(struct agr_softc *sc) |
66 | { |
67 | |
68 | free(sc, M_DEVBUF); |
69 | } |
70 | |