2 * Copyright (c) 2003 Jeffrey Hsu
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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 Jeffrey M. Hsu.
16 * 4. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 * $DragonFly: src/sys/net/netmsg.h,v 1.10 2008/10/27 02:56:30 sephe Exp $
33 #ifndef _NET_NETMSG_H_
34 #define _NET_NETMSG_H_
36 #ifndef _SYS_THREAD_H_
37 #include <sys/thread.h>
39 #ifndef _SYS_PROTOSW_H_
40 #include <sys/protosw.h>
45 typedef void (*netisr_fn_t)(netmsg_t);
46 typedef void (*netisr_ru_t)(void);
47 typedef void (*netisr_cpufn_t)(struct mbuf **, int);
48 typedef void (*netisr_hashck_t)(struct mbuf *, const struct pktinfo *);
50 #if defined(_KERNEL) || defined(_KERNEL_STRUCTURES)
53 * The base netmsg prefixes all netmsgs and includes an embedded LWKT
58 netisr_fn_t nm_dispatch;
62 typedef struct netmsg_base *netmsg_base_t;
67 * NOTE: netmsg_packet is embedded in mbufs.
69 TAILQ_HEAD(notifymsglist, netmsg_so_notify);
71 struct netmsg_packet {
72 struct netmsg_base base;
73 struct mbuf *nm_packet;
77 struct netmsg_pr_timeout {
78 struct netmsg_base base;
81 struct netmsg_so_notify;
82 typedef __boolean_t (*msg_predicate_fn_t)(struct netmsg_so_notify *);
84 struct netmsg_so_notify {
85 struct netmsg_base base;
86 msg_predicate_fn_t nm_predicate;
87 int nm_fflags; /* flags e.g. FNONBLOCK */
88 int nm_etype; /* receive or send event */
89 TAILQ_ENTRY(netmsg_so_notify) nm_list;
92 struct netmsg_so_notify_abort {
93 struct netmsg_base base;
94 struct netmsg_so_notify *nm_notifymsg;
97 #define NM_REVENT 0x1 /* event on receive buffer */
98 #define NM_SEVENT 0x2 /* event on send buffer */
101 * User protocol requests messages.
103 struct netmsg_pru_abort {
104 struct netmsg_base base;
107 struct netmsg_pru_accept {
108 struct netmsg_base base;
109 struct sockaddr **nm_nam;
112 struct netmsg_pru_attach {
113 struct netmsg_base base;
115 struct pru_attach_info *nm_ai;
118 struct netmsg_pru_bind {
119 struct netmsg_base base;
120 struct sockaddr *nm_nam;
121 struct thread *nm_td;
124 struct netmsg_pru_connect {
125 struct netmsg_base base;
126 struct sockaddr *nm_nam;
127 struct thread *nm_td;
128 struct mbuf *nm_m; /* connect with send */
129 int nm_flags; /* connect with send */
130 int nm_reconnect; /* message control */
133 #define NMSG_RECONNECT_RECONNECT 0x0001 /* thread port change */
134 #define NMSG_RECONNECT_NAMALLOC 0x0002 /* nm_nam allocated */
135 #define NMSG_RECONNECT_PUSH 0x0004 /* call tcp_output */
136 #define NMSG_RECONNECT_FALLBACK 0x0008 /* fallback to ipv4 */
138 struct netmsg_pru_connect2 {
139 struct netmsg_base base;
140 struct socket *nm_so1;
141 struct socket *nm_so2;
144 struct netmsg_pru_control {
145 struct netmsg_base base;
148 struct ifnet *nm_ifp;
149 struct thread *nm_td;
152 struct netmsg_pru_detach {
153 struct netmsg_base base;
156 struct netmsg_pru_disconnect {
157 struct netmsg_base base;
160 struct netmsg_pru_listen {
161 struct netmsg_base base;
162 struct thread *nm_td;
165 struct netmsg_pru_peeraddr {
166 struct netmsg_base base;
167 struct sockaddr **nm_nam;
170 struct netmsg_pru_rcvd {
171 struct netmsg_base base;
173 int nm_pru_flags; /* PRUR_xxx */
176 #define PRUR_ASYNC 0x1
178 struct netmsg_pru_rcvoob {
179 struct netmsg_base base;
184 struct netmsg_pru_send {
185 struct netmsg_base base;
186 int nm_flags; /* PRUS_xxx */
188 struct sockaddr *nm_addr;
189 struct mbuf *nm_control;
190 struct thread *nm_td;
195 #define PRUS_MORETOCOME 0x4
196 #define PRUS_NAMALLOC 0x8
197 #define PRUS_NOREPLY 0x10
198 #define PRUS_DONTROUTE 0x20
199 #define PRUS_FREEADDR 0x40
201 struct netmsg_pru_sense {
202 struct netmsg_base base;
203 struct stat *nm_stat;
206 struct netmsg_pru_shutdown {
207 struct netmsg_base base;
210 struct netmsg_pru_sockaddr {
211 struct netmsg_base base;
212 struct sockaddr **nm_nam;
215 struct netmsg_pru_sosend {
216 struct netmsg_base base;
217 struct sockaddr *nm_addr;
220 struct mbuf *nm_control;
222 struct thread *nm_td;
225 struct netmsg_pru_soreceive {
226 struct netmsg_base base;
227 struct sockaddr *nm_addr;
228 struct sockaddr **nm_paddr;
230 struct sockbuf *nm_sio;
231 struct mbuf **nm_controlp;
235 struct netmsg_pr_ctloutput {
236 struct netmsg_base base;
237 struct sockopt *nm_sopt;
240 struct netmsg_pru_ctlinput {
241 struct netmsg_base base;
243 struct sockaddr *nm_arg;
248 * Union of all possible netmsgs. Note that when a netmsg is sent the
249 * actual allocated storage is likely only the size of the particular
250 * class of message, and not sizeof(union netmsg).
253 struct lwkt_msg lmsg; /* base embedded */
254 struct netmsg_base base; /* base embedded */
256 struct netmsg_packet packet; /* mbuf embedded */
257 struct netmsg_pr_timeout timeout;
258 struct netmsg_so_notify notify;
259 struct netmsg_so_notify_abort notify_abort;
261 struct netmsg_pr_ctloutput ctloutput;
263 struct netmsg_pru_abort abort;
264 struct netmsg_pru_accept accept; /* synchronous */
265 struct netmsg_pru_attach attach;
266 struct netmsg_pru_bind bind;
267 struct netmsg_pru_connect connect;
268 struct netmsg_pru_connect2 connect2;
269 struct netmsg_pru_control control; /* synchronous */
270 struct netmsg_pru_detach detach;
271 struct netmsg_pru_disconnect disconnect;
272 struct netmsg_pru_listen listen;
273 struct netmsg_pru_peeraddr peeraddr;
274 struct netmsg_pru_rcvd rcvd;
275 struct netmsg_pru_rcvoob rcvoob;
276 struct netmsg_pru_send send;
277 struct netmsg_pru_sense sense;
278 struct netmsg_pru_shutdown shutdown;
279 struct netmsg_pru_sockaddr sockaddr;
280 struct netmsg_pru_sosend sosend; /* synchronous */
281 struct netmsg_pru_soreceive soreceive; /* synchronous */
282 struct netmsg_pru_ctlinput ctlinput;
285 #endif /* _KERNEL || _KERNEL_STRUCTURES */
287 #endif /* !_NET_NETMSG_H_ */