AMD64 - Fix many compile-time warnings. int/ptr type mismatches, %llx, etc.
[dragonfly.git] / sys / kern / uipc_domain.c
CommitLineData
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1/*
2 * Copyright (c) 1982, 1986, 1993
3 * The Regents of the University of California. 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 *
33 * @(#)uipc_domain.c 8.2 (Berkeley) 10/18/93
34 * $FreeBSD: src/sys/kern/uipc_domain.c,v 1.22.2.1 2001/07/03 11:01:37 ume Exp $
e3873585 35 * $DragonFly: src/sys/kern/uipc_domain.c,v 1.13 2008/10/27 02:56:30 sephe Exp $
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36 */
37
38#include <sys/param.h>
39#include <sys/socket.h>
40#include <sys/protosw.h>
41#include <sys/domain.h>
42#include <sys/mbuf.h>
43#include <sys/kernel.h>
44#include <sys/socketvar.h>
e3873585 45#include <sys/socketops.h>
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46#include <sys/systm.h>
47#include <vm/vm_zone.h>
48
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49#include <sys/thread2.h>
50
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51/*
52 * System initialization
53 *
54 * Note: domain initialization wants to take place on a per domain basis
55 * as a result of traversing a linker set. Most likely, each domain
56 * want to call a registration function rather than being handled here
57 * in domaininit(). Probably this will look like:
58 *
59 * SYSINIT(unique, SI_SUB_PROTO_DOMAIN, SI_ORDER_ANY, domain_add, xxx)
60 *
61 * Where 'xxx' is replaced by the address of a parameter struct to be
62 * passed to the doamin_add() function.
63 */
64
402ed7e1 65static void domaininit (void *);
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66SYSINIT(domain, SI_SUB_PROTO_DOMAIN, SI_ORDER_FIRST, domaininit, NULL)
67
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68static void pffasttimo (void *);
69static void pfslowtimo (void *);
984263bc 70
9c70fe43 71struct domainlist domains;
984263bc 72
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73static struct callout pffasttimo_ch;
74static struct callout pfslowtimo_ch;
75
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76/*
77 * Add a new protocol domain to the list of supported domains
9c70fe43 78 * Note: you cant unload it again because a socket may be using it.
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79 * XXX can't fail at this time.
80 */
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81#define PRU_NOTSUPP(pu, label) \
82 if (pu->pru_ ## label == NULL) \
83 pu->pru_ ## label = pru_ ## label ## _notsupp;
84#define PRU_NULL(pu, label) \
85 if (pu->pru_ ## label == NULL) \
86 pu->pru_ ## label = pru_ ## label ## _null;
87
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88static void
89net_init_domain(struct domain *dp)
90{
1fd87d54 91 struct protosw *pr;
a95455e5 92 struct pr_usrreqs *pu;
984263bc 93
e43a034f 94 crit_enter();
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95 if (dp->dom_init)
96 (*dp->dom_init)();
517e1666 97 for (pr = dp->dom_protosw; pr < dp->dom_protoswNPROTOSW; pr++) {
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98 pu = pr->pr_usrreqs;
99 if (pu == NULL)
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100 panic("domaininit: %ssw[%ld] has no usrreqs!",
101 dp->dom_name, (long)(pr - dp->dom_protosw));
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102 PRU_NOTSUPP(pu, accept);
103 PRU_NOTSUPP(pu, bind);
104 PRU_NOTSUPP(pu, connect);
105 PRU_NOTSUPP(pu, connect2);
106 PRU_NOTSUPP(pu, control);
107 PRU_NOTSUPP(pu, disconnect);
108 PRU_NOTSUPP(pu, listen);
109 PRU_NOTSUPP(pu, peeraddr);
110 PRU_NOTSUPP(pu, rcvd);
111 PRU_NOTSUPP(pu, rcvoob);
112 PRU_NULL(pu, sense);
113 PRU_NOTSUPP(pu, shutdown);
114 PRU_NOTSUPP(pu, sockaddr);
115 PRU_NOTSUPP(pu, sosend);
116 PRU_NOTSUPP(pu, soreceive);
117 PRU_NOTSUPP(pu, sopoll);
118 PRU_NOTSUPP(pu, ctloutput);
119
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120 if (pr->pr_init)
121 (*pr->pr_init)();
122 }
123 /*
9c70fe43 124 * update global information about maximums
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125 */
126 max_hdr = max_linkhdr + max_protohdr;
127 max_datalen = MHLEN - max_hdr;
e43a034f 128 crit_exit();
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129}
130
131/*
132 * Add a new protocol domain to the list of supported domains
9c70fe43 133 * Note: you cant unload it again because a socket may be using it.
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134 * XXX can't fail at this time.
135 */
136void
137net_add_domain(void *data)
138{
9c70fe43 139 struct domain *dp = data;
984263bc 140
e43a034f 141 crit_enter();
9c70fe43 142 SLIST_INSERT_HEAD(&domains, dp, dom_next);
e43a034f 143 crit_exit();
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144 net_init_domain(dp);
145}
146
147/* ARGSUSED*/
148static void
149domaininit(void *dummy)
150{
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151 if (max_linkhdr < 16) /* XXX */
152 max_linkhdr = 16;
153
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154 callout_init(&pffasttimo_ch);
155 callout_init(&pfslowtimo_ch);
156 callout_reset(&pffasttimo_ch, 1, pffasttimo, NULL);
157 callout_reset(&pfslowtimo_ch, 1, pfslowtimo, NULL);
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158}
159
160
161struct protosw *
5fe66e68 162pffindtype(int family, int type)
984263bc 163{
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164 struct domain *dp;
165 struct protosw *pr;
984263bc 166
9c70fe43 167 SLIST_FOREACH(dp, &domains, dom_next)
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168 if (dp->dom_family == family)
169 goto found;
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170 return (NULL);
171
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172found:
173 for (pr = dp->dom_protosw; pr < dp->dom_protoswNPROTOSW; pr++)
174 if (pr->pr_type && pr->pr_type == type)
175 return (pr);
5fe66e68 176 return (NULL);
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177}
178
179struct protosw *
5fe66e68 180pffindproto(int family, int protocol, int type)
984263bc 181{
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182 struct domain *dp;
183 struct protosw *pr;
5fe66e68 184 struct protosw *maybe = NULL;
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185
186 if (family == 0)
5fe66e68 187 return (NULL);
9c70fe43 188 SLIST_FOREACH(dp, &domains, dom_next)
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189 if (dp->dom_family == family)
190 goto found;
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191 return (NULL);
192
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193found:
194 for (pr = dp->dom_protosw; pr < dp->dom_protoswNPROTOSW; pr++) {
195 if ((pr->pr_protocol == protocol) && (pr->pr_type == type))
196 return (pr);
197
198 if (type == SOCK_RAW && pr->pr_type == SOCK_RAW &&
2038fb68 199 pr->pr_protocol == 0 && maybe == NULL)
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200 maybe = pr;
201 }
202 return (maybe);
203}
204
205void
91be174d 206kpfctlinput(int cmd, struct sockaddr *sa)
984263bc 207{
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208 struct domain *dp;
209 struct protosw *pr;
984263bc 210
e3873585 211 SLIST_FOREACH(dp, &domains, dom_next) {
984263bc 212 for (pr = dp->dom_protosw; pr < dp->dom_protoswNPROTOSW; pr++)
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213 so_pru_ctlinput(pr, cmd, sa, NULL);
214 }
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215}
216
217void
91be174d 218kpfctlinput2(int cmd, struct sockaddr *sa, void *ctlparam)
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219{
220 struct domain *dp;
221 struct protosw *pr;
222
223 if (!sa)
224 return;
9c70fe43 225 SLIST_FOREACH(dp, &domains, dom_next) {
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226 /*
227 * the check must be made by xx_ctlinput() anyways, to
228 * make sure we use data item pointed to by ctlparam in
229 * correct way. the following check is made just for safety.
230 */
231 if (dp->dom_family != sa->sa_family)
232 continue;
233
234 for (pr = dp->dom_protosw; pr < dp->dom_protoswNPROTOSW; pr++)
e3873585 235 so_pru_ctlinput(pr, cmd, sa, ctlparam);
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236 }
237}
238
239static void
5fe66e68 240pfslowtimo(void *arg)
984263bc 241{
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242 struct domain *dp;
243 struct protosw *pr;
984263bc 244
9c70fe43 245 SLIST_FOREACH(dp, &domains, dom_next)
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246 for (pr = dp->dom_protosw; pr < dp->dom_protoswNPROTOSW; pr++)
247 if (pr->pr_slowtimo)
248 (*pr->pr_slowtimo)();
a330847e 249 callout_reset(&pfslowtimo_ch, hz / 2, pfslowtimo, NULL);
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250}
251
252static void
5fe66e68 253pffasttimo(void *arg)
984263bc 254{
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255 struct domain *dp;
256 struct protosw *pr;
984263bc 257
9c70fe43 258 SLIST_FOREACH(dp, &domains, dom_next)
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259 for (pr = dp->dom_protosw; pr < dp->dom_protoswNPROTOSW; pr++)
260 if (pr->pr_fasttimo)
261 (*pr->pr_fasttimo)();
a330847e 262 callout_reset(&pffasttimo_ch, hz / 5, pffasttimo, NULL);
984263bc 263}