2 * Copyright (c) 2004 Jeffrey M. Hsu. All rights reserved.
3 * Copyright (c) 2004 The DragonFly Project. All rights reserved.
5 * This code is derived from software contributed to The DragonFly Project
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of The DragonFly Project nor the names of its
17 * contributors may be used to endorse or promote products derived
18 * from this software without specific, prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
24 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
27 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
28 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
29 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
30 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * Copyright (c) 2004 Jeffrey M. Hsu. All rights reserved.
37 * License terms: all terms for the DragonFly license above plus the following:
39 * 4. All advertising materials mentioning features or use of this software
40 * must display the following acknowledgement:
42 * This product includes software developed by Jeffrey M. Hsu
43 * for the DragonFly Project.
45 * This requirement may be waived with permission from Jeffrey Hsu.
46 * This requirement will sunset and may be removed on July 8 2005,
47 * after which the standard DragonFly license (as shown above) will
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53 * The Regents of the University of California. All rights reserved.
55 * Redistribution and use in source and binary forms, with or without
56 * modification, are permitted provided that the following conditions
58 * 1. Redistributions of source code must retain the above copyright
59 * notice, this list of conditions and the following disclaimer.
60 * 2. Redistributions in binary form must reproduce the above copyright
61 * notice, this list of conditions and the following disclaimer in the
62 * documentation and/or other materials provided with the distribution.
63 * 3. All advertising materials mentioning features or use of this software
64 * must display the following acknowledgement:
65 * This product includes software developed by the University of
66 * California, Berkeley and its contributors.
67 * 4. Neither the name of the University nor the names of its contributors
68 * may be used to endorse or promote products derived from this software
69 * without specific prior written permission.
71 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
72 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
73 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
74 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
75 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
76 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
77 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
78 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
79 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
80 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
83 * @(#)netisr.h 8.1 (Berkeley) 6/10/93
84 * $FreeBSD: src/sys/net/netisr.h,v 1.21.2.5 2002/02/09 23:02:39 luigi Exp $
85 * $DragonFly: src/sys/net/netisr.h,v 1.21 2005/01/19 17:30:52 dillon Exp $
88 #ifndef _NET_NETISR_H_
89 #define _NET_NETISR_H_
91 #include <sys/msgport.h>
94 * The networking code runs off software interrupts.
96 * You can switch into the network by doing splnet() and return by splx().
97 * The software interrupt level for the network is higher than the software
98 * level for the clock (so you can enter the network in routines called
103 * Each ``pup-level-1'' input queue has a bit in a ``netisr'' status
104 * word which is used to de-multiplex a single software
105 * interrupt used for scheduling the network code to calls
106 * on the lowest level routine of each protocol.
108 #define NETISR_RESERVED0 0 /* cannot be used */
109 #define NETISR_POLL 1 /* polling callback */
110 #define NETISR_IP 2 /* same as AF_INET */
111 #define NETISR_NS 6 /* same as AF_NS */
112 #define NETISR_AARP 15 /* Appletalk ARP */
113 #define NETISR_ATALK2 16 /* Appletalk phase 2 */
114 #define NETISR_ATALK1 17 /* Appletalk phase 1 */
115 #define NETISR_ARP 18 /* same as AF_LINK */
116 #define NETISR_IPX 23 /* same as AF_IPX */
117 #define NETISR_USB 25 /* USB soft interrupt */
118 #define NETISR_PPP 27 /* PPP soft interrupt */
119 #define NETISR_IPV6 28 /* same as AF_INET6 */
120 #define NETISR_NATM 29 /* same as AF_NATM */
121 #define NETISR_NETGRAPH 30 /* same as AF_NETGRAPH */
122 #define NETISR_POLLMORE 31 /* check if we need more polling */
124 #define NETISR_MAX 32
126 TAILQ_HEAD(notifymsglist, netmsg_so_notify);
130 #include <sys/protosw.h>
134 typedef int (*netisr_fn_t)(struct netmsg *);
135 typedef boolean_t (*msg_predicate_fn_t)(struct netmsg *);
138 * Base class. All net messages must start with the same fields.
141 struct lwkt_msg nm_lmsg;
144 struct netmsg_packet {
145 struct lwkt_msg nm_lmsg;
146 struct mbuf *nm_packet;
149 struct netmsg_pr_ctloutput {
150 struct lwkt_msg nm_lmsg;
151 int (*nm_prfn) (struct socket *, struct sockopt *);
152 struct socket *nm_so;
153 struct sockopt *nm_sopt;
156 struct netmsg_pr_timeout {
157 struct lwkt_msg nm_lmsg;
158 int (*nm_prfn) (void);
161 struct netmsg_so_notify {
162 struct lwkt_msg nm_lmsg;
163 msg_predicate_fn_t nm_predicate;
164 struct socket *nm_so;
165 int nm_etype; /* receive or send event */
166 TAILQ_ENTRY(netmsg_so_notify) nm_list;
169 #define NM_REVENT 0x1 /* event on receive buffer */
170 #define NM_SEVENT 0x2 /* event on send buffer */
173 * for dispatching pr_ functions,
174 * until they can be converted to message-passing
176 int netmsg_pru_abort(lwkt_msg_t);
177 int netmsg_pru_accept(lwkt_msg_t);
178 int netmsg_pru_attach(lwkt_msg_t);
179 int netmsg_pru_bind(lwkt_msg_t);
180 int netmsg_pru_connect(lwkt_msg_t);
181 int netmsg_pru_connect2(lwkt_msg_t);
182 int netmsg_pru_control(lwkt_msg_t);
183 int netmsg_pru_detach(lwkt_msg_t);
184 int netmsg_pru_disconnect(lwkt_msg_t);
185 int netmsg_pru_listen(lwkt_msg_t);
186 int netmsg_pru_peeraddr(lwkt_msg_t);
187 int netmsg_pru_rcvd(lwkt_msg_t);
188 int netmsg_pru_rcvoob(lwkt_msg_t);
189 int netmsg_pru_send(lwkt_msg_t);
190 int netmsg_pru_sense(lwkt_msg_t);
191 int netmsg_pru_shutdown(lwkt_msg_t);
192 int netmsg_pru_sockaddr(lwkt_msg_t);
194 int netmsg_pru_sopoll(lwkt_msg_t);
196 int netmsg_pr_ctloutput(lwkt_msg_t);
197 int netmsg_pr_timeout(lwkt_msg_t);
199 int netmsg_so_notify(lwkt_msg_t);
200 int netmsg_so_notify_abort(lwkt_msg_t);
202 typedef lwkt_port_t (*lwkt_portfn_t)(struct mbuf **);
205 lwkt_port ni_port; /* must be first */
206 lwkt_portfn_t ni_mport;
207 netisr_fn_t ni_handler;
208 struct netmsg ni_netmsg; /* for sched_netisr() (no-data) */
211 extern lwkt_port netisr_afree_rport;
213 lwkt_port_t cpu0_portfn(struct mbuf **mptr);
214 void netisr_dispatch(int, struct mbuf *);
215 int netisr_queue(int, struct mbuf *);
216 void netisr_register(int, lwkt_portfn_t, netisr_fn_t);
217 int netisr_unregister(int);
218 void netmsg_service_port_init(lwkt_port_t);
219 void netmsg_service_loop(void *arg);
220 void netmsg_service_sync(void);
221 void schednetisr(int);
225 #endif /* _NET_NETISR_H_ */