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15637ed4 RG |
1 | /* |
2 | * Copyright (c) 1982, 1986 Regents of the University of California. | |
3 | * All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms, with or without | |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: | |
8 | * 1. Redistributions of source code must retain the above copyright | |
9 | * notice, this list of conditions and the following disclaimer. | |
10 | * 2. Redistributions in binary form must reproduce the above copyright | |
11 | * notice, this list of conditions and the following disclaimer in the | |
12 | * documentation and/or other materials provided with the distribution. | |
13 | * 3. All advertising materials mentioning features or use of this software | |
14 | * must display the following acknowledgement: | |
15 | * This product includes software developed by the University of | |
16 | * California, Berkeley and its contributors. | |
17 | * 4. Neither the name of the University nor the names of its contributors | |
18 | * may be used to endorse or promote products derived from this software | |
19 | * without specific prior written permission. | |
20 | * | |
21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
31 | * SUCH DAMAGE. | |
32 | * | |
600f7f07 | 33 | * from: @(#)uipc_domain.c 7.9 (Berkeley) 3/4/91 |
fde1aeb2 | 34 | * $Id: uipc_domain.c,v 1.4 1993/11/25 01:33:31 wollman Exp $ |
15637ed4 RG |
35 | */ |
36 | ||
15637ed4 | 37 | #include "param.h" |
fde1aeb2 | 38 | #include "systm.h" |
15637ed4 RG |
39 | #include "socket.h" |
40 | #include "protosw.h" | |
41 | #include "domain.h" | |
42 | #include "mbuf.h" | |
43 | #include "time.h" | |
44 | #include "kernel.h" | |
45 | ||
bbc3f849 GW |
46 | struct domain *domains; |
47 | ||
15637ed4 RG |
48 | #define ADDDOMAIN(x) { \ |
49 | extern struct domain __CONCAT(x,domain); \ | |
50 | __CONCAT(x,domain.dom_next) = domains; \ | |
51 | domains = &__CONCAT(x,domain); \ | |
52 | } | |
53 | ||
4c45483e GW |
54 | static void pfslowtimo(caddr_t, int); |
55 | static void pffasttimo(caddr_t, int); | |
56 | ||
57 | void | |
15637ed4 RG |
58 | domaininit() |
59 | { | |
60 | register struct domain *dp; | |
61 | register struct protosw *pr; | |
62 | ||
63 | #undef unix | |
64 | #ifndef lint | |
65 | ADDDOMAIN(unix); | |
66 | ADDDOMAIN(route); | |
67 | #ifdef INET | |
68 | ADDDOMAIN(inet); | |
69 | #endif | |
70 | #ifdef NS | |
71 | ADDDOMAIN(ns); | |
72 | #endif | |
73 | #ifdef ISO | |
74 | ADDDOMAIN(iso); | |
75 | #endif | |
76 | #ifdef RMP | |
77 | ADDDOMAIN(rmp); | |
78 | #endif | |
79 | #ifdef CCITT | |
80 | ADDDOMAIN(ccitt); | |
81 | #endif | |
82 | #include "imp.h" | |
83 | #if NIMP > 0 | |
84 | ADDDOMAIN(imp); | |
85 | #endif | |
86 | #endif | |
87 | ||
88 | for (dp = domains; dp; dp = dp->dom_next) { | |
89 | if (dp->dom_init) | |
90 | (*dp->dom_init)(); | |
91 | for (pr = dp->dom_protosw; pr < dp->dom_protoswNPROTOSW; pr++) | |
92 | if (pr->pr_init) | |
93 | (*pr->pr_init)(); | |
94 | } | |
95 | ||
96 | if (max_linkhdr < 16) /* XXX */ | |
97 | max_linkhdr = 16; | |
98 | max_hdr = max_linkhdr + max_protohdr; | |
99 | max_datalen = MHLEN - max_hdr; | |
4c45483e GW |
100 | pffasttimo(0, 0); |
101 | pfslowtimo(0, 0); | |
15637ed4 RG |
102 | } |
103 | ||
104 | struct protosw * | |
105 | pffindtype(family, type) | |
106 | int family, type; | |
107 | { | |
108 | register struct domain *dp; | |
109 | register struct protosw *pr; | |
110 | ||
111 | for (dp = domains; dp; dp = dp->dom_next) | |
112 | if (dp->dom_family == family) | |
113 | goto found; | |
114 | return (0); | |
115 | found: | |
116 | for (pr = dp->dom_protosw; pr < dp->dom_protoswNPROTOSW; pr++) | |
117 | if (pr->pr_type && pr->pr_type == type) | |
118 | return (pr); | |
119 | return (0); | |
120 | } | |
121 | ||
122 | struct protosw * | |
123 | pffindproto(family, protocol, type) | |
124 | int family, protocol, type; | |
125 | { | |
126 | register struct domain *dp; | |
127 | register struct protosw *pr; | |
128 | struct protosw *maybe = 0; | |
129 | ||
130 | if (family == 0) | |
131 | return (0); | |
132 | for (dp = domains; dp; dp = dp->dom_next) | |
133 | if (dp->dom_family == family) | |
134 | goto found; | |
135 | return (0); | |
136 | found: | |
137 | for (pr = dp->dom_protosw; pr < dp->dom_protoswNPROTOSW; pr++) { | |
138 | if ((pr->pr_protocol == protocol) && (pr->pr_type == type)) | |
139 | return (pr); | |
140 | ||
141 | if (type == SOCK_RAW && pr->pr_type == SOCK_RAW && | |
142 | pr->pr_protocol == 0 && maybe == (struct protosw *)0) | |
143 | maybe = pr; | |
144 | } | |
145 | return (maybe); | |
146 | } | |
147 | ||
4c45483e | 148 | void |
15637ed4 RG |
149 | pfctlinput(cmd, sa) |
150 | int cmd; | |
151 | struct sockaddr *sa; | |
152 | { | |
153 | register struct domain *dp; | |
154 | register struct protosw *pr; | |
155 | ||
156 | for (dp = domains; dp; dp = dp->dom_next) | |
157 | for (pr = dp->dom_protosw; pr < dp->dom_protoswNPROTOSW; pr++) | |
158 | if (pr->pr_ctlinput) | |
159 | (*pr->pr_ctlinput)(cmd, sa, (caddr_t) 0); | |
160 | } | |
161 | ||
4c45483e GW |
162 | static void |
163 | pfslowtimo(caddr_t dummy1, int dummy2) | |
15637ed4 RG |
164 | { |
165 | register struct domain *dp; | |
166 | register struct protosw *pr; | |
167 | ||
168 | for (dp = domains; dp; dp = dp->dom_next) | |
169 | for (pr = dp->dom_protosw; pr < dp->dom_protoswNPROTOSW; pr++) | |
170 | if (pr->pr_slowtimo) | |
171 | (*pr->pr_slowtimo)(); | |
172 | timeout(pfslowtimo, (caddr_t)0, hz/2); | |
173 | } | |
174 | ||
4c45483e GW |
175 | static void |
176 | pffasttimo(caddr_t dummy1, int dummy2) | |
15637ed4 RG |
177 | { |
178 | register struct domain *dp; | |
179 | register struct protosw *pr; | |
180 | ||
181 | for (dp = domains; dp; dp = dp->dom_next) | |
182 | for (pr = dp->dom_protosw; pr < dp->dom_protoswNPROTOSW; pr++) | |
183 | if (pr->pr_fasttimo) | |
184 | (*pr->pr_fasttimo)(); | |
185 | timeout(pffasttimo, (caddr_t)0, hz/5); | |
186 | } |