FreeBSD/Linux Kernel Cross Reference
sys/netatalk/at_rmx.c
1 /*-
2 * Copyright 1994, 1995 Massachusetts Institute of Technology
3 *
4 * Permission to use, copy, modify, and distribute this software and
5 * its documentation for any purpose and without fee is hereby
6 * granted, provided that both the above copyright notice and this
7 * permission notice appear in all copies, that both the above
8 * copyright notice and this permission notice appear in all
9 * supporting documentation, and that the name of M.I.T. not be used
10 * in advertising or publicity pertaining to distribution of the
11 * software without specific, written prior permission. M.I.T. makes
12 * no representations about the suitability of this software for any
13 * purpose. It is provided "as is" without express or implied
14 * warranty.
15 *
16 * THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''. M.I.T. DISCLAIMS
17 * ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE,
18 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
20 * SHALL M.I.T. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
23 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
25 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
26 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * at_rmx.c,v 1.13 1995/05/30 08:09:31 rgrimes Exp
30 * $FreeBSD$
31 */
32
33 /* This code generates debugging traces to the radix code. */
34
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/socket.h>
38
39 #include <net/route.h>
40
41 int at_inithead(void **head, int off);
42
43 #if 0
44 #define HEXBUF_LEN 256
45
46 static const char *
47 prsockaddr(void *v, char *hexbuf)
48 {
49 char *bp = &hexbuf[0];
50 u_char *cp = v;
51
52 if (v != NULL) {
53 int len = *cp;
54 u_char *cplim = cp + len;
55
56 /* return: "(len) hexdump" */
57
58 bp += sprintf(bp, "(%d)", len);
59 for (cp++; cp < cplim && bp < hexbuf + (HEXBUF_LEN - 4);
60 cp++) {
61 *bp++ = "0123456789abcdef"[*cp / 16];
62 *bp++ = "0123456789abcdef"[*cp % 16];
63 }
64 } else
65 bp+= sprintf(bp, "null");
66 *bp = '\0';
67 return (hexbuf);
68 }
69 #endif
70
71 static struct radix_node *
72 at_addroute(void *v_arg, void *n_arg, struct radix_node_head *head,
73 struct radix_node *treenodes)
74 {
75
76 return (rn_addroute(v_arg, n_arg, head, treenodes));
77 }
78
79 static struct radix_node *
80 at_matroute(void *v_arg, struct radix_node_head *head)
81 {
82
83 return (rn_match(v_arg, head));
84 }
85
86 static struct radix_node *
87 at_lookup(void *v_arg, void *m_arg, struct radix_node_head *head)
88 {
89
90 return (rn_lookup(v_arg, m_arg, head));
91 }
92
93 static struct radix_node *
94 at_delroute(void *v_arg, void *netmask_arg, struct radix_node_head *head)
95 {
96
97 return (rn_delete(v_arg, netmask_arg, head));
98 }
99
100 /*
101 * Initialize our routing tree with debugging hooks.
102 */
103 int
104 at_inithead(void **head, int off)
105 {
106 struct radix_node_head *rnh;
107
108 if (!rn_inithead(head, off))
109 return (0);
110
111 rnh = *head;
112 rnh->rnh_addaddr = at_addroute;
113 rnh->rnh_deladdr = at_delroute;
114 rnh->rnh_matchaddr = at_matroute;
115 rnh->rnh_lookup = at_lookup;
116 return (1);
117 }
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