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_hashfn_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 #define MSGF_IGNSOPORT MSGF_USER0 /* don't check so_port */
63 #define MSGF_PROTO1 MSGF_USER1 /* protocol specific */
65 typedef struct netmsg_base
*netmsg_base_t
;
71 * - netmsg_packet is embedded in mbufs.
72 * - netmsg_pru_send is embedded in mbufs.
73 * - netmsg_inarp is embedded in mbufs.
74 * - netmsg_ctlinput is embedded in mbufs.
75 * - netmsg_genpkt is embedded in mbufs.
77 TAILQ_HEAD(notifymsglist
, netmsg_so_notify
);
79 struct netmsg_packet
{
80 struct netmsg_base base
;
81 struct mbuf
*nm_packet
;
86 struct netmsg_base base
;
93 struct netmsg_ctlinput
{
94 struct netmsg_base base
;
101 struct netmsg_genpkt
{
102 struct netmsg_base base
;
108 struct netmsg_pr_timeout
{
109 struct netmsg_base base
;
112 struct netmsg_so_notify
;
113 typedef __boolean_t (*msg_predicate_fn_t
)(struct netmsg_so_notify
*);
115 struct netmsg_so_notify
{
116 struct netmsg_base base
;
117 msg_predicate_fn_t nm_predicate
;
118 int nm_fflags
; /* flags e.g. FNONBLOCK */
119 int nm_etype
; /* receive or send event */
120 TAILQ_ENTRY(netmsg_so_notify
) nm_list
;
123 struct netmsg_so_notify_abort
{
124 struct netmsg_base base
;
125 struct netmsg_so_notify
*nm_notifymsg
;
128 #define NM_REVENT 0x1 /* event on receive buffer */
129 #define NM_SEVENT 0x2 /* event on send buffer */
132 * User protocol requests messages.
134 struct netmsg_pru_abort
{
135 struct netmsg_base base
;
138 struct netmsg_pru_accept
{
139 struct netmsg_base base
;
140 struct sockaddr
**nm_nam
;
143 struct netmsg_pru_attach
{
144 struct netmsg_base base
;
146 struct pru_attach_info
*nm_ai
;
149 struct netmsg_pru_bind
{
150 struct netmsg_base base
;
151 struct sockaddr
*nm_nam
;
152 struct thread
*nm_td
;
153 int nm_flags
; /* PRUB_ */
156 #define PRUB_RELINK 0x0001
158 struct netmsg_pru_connect
{
159 struct netmsg_base base
;
160 struct sockaddr
*nm_nam
;
161 struct thread
*nm_td
;
162 struct mbuf
*nm_m
; /* connect with send */
163 int nm_sndflags
; /* connect with send, PRUS_ */
164 int nm_flags
; /* message control */
167 #define PRUC_RECONNECT 0x0001 /* thread port change */
168 #define PRUC_PUSH 0x0004 /* call tcp_output */
169 #define PRUC_ASYNC 0x0010
170 #define PRUC_HELDTD 0x0020
171 #define PRUC_HASLADDR 0x0040
173 struct netmsg_pru_connect2
{
174 struct netmsg_base base
;
175 struct socket
*nm_so1
;
176 struct socket
*nm_so2
;
179 struct netmsg_pru_control
{
180 struct netmsg_base base
;
183 struct ifnet
*nm_ifp
;
184 struct thread
*nm_td
;
187 struct netmsg_pru_detach
{
188 struct netmsg_base base
;
191 struct netmsg_pru_disconnect
{
192 struct netmsg_base base
;
195 struct netmsg_pru_listen
{
196 struct netmsg_base base
;
197 struct thread
*nm_td
;
198 int nm_flags
; /* PRUL_xxx */
201 #define PRUL_RELINK 0x1
203 struct netmsg_pru_peeraddr
{
204 struct netmsg_base base
;
205 struct sockaddr
**nm_nam
;
208 struct netmsg_pru_rcvd
{
209 struct netmsg_base base
;
211 int nm_pru_flags
; /* PRUR_xxx */
214 #define PRUR_ASYNC 0x1
215 #define PRUR_DEAD 0x2
217 struct netmsg_pru_rcvoob
{
218 struct netmsg_base base
;
223 struct netmsg_pru_send
{
224 struct netmsg_base base
;
225 int nm_flags
; /* PRUS_xxx */
226 int nm_priv
; /* proto priv. */
228 struct sockaddr
*nm_addr
;
229 struct mbuf
*nm_control
;
230 struct thread
*nm_td
;
235 #define PRUS_MORETOCOME 0x4
236 #define PRUS_NAMALLOC 0x8
237 #define PRUS_NOREPLY 0x10
238 #define PRUS_DONTROUTE 0x20
239 #define PRUS_FREEADDR 0x40
240 #define PRUS_HELDTD 0x80
242 struct netmsg_pru_sense
{
243 struct netmsg_base base
;
244 struct stat
*nm_stat
;
247 struct netmsg_pru_shutdown
{
248 struct netmsg_base base
;
251 struct netmsg_pru_sockaddr
{
252 struct netmsg_base base
;
253 struct sockaddr
**nm_nam
;
256 struct netmsg_pru_sosend
{
257 struct netmsg_base base
;
258 struct sockaddr
*nm_addr
;
261 struct mbuf
*nm_control
;
263 struct thread
*nm_td
;
266 struct netmsg_pru_soreceive
{
267 struct netmsg_base base
;
268 struct sockaddr
*nm_addr
;
269 struct sockaddr
**nm_paddr
;
271 struct sockbuf
*nm_sio
;
272 struct mbuf
**nm_controlp
;
276 struct netmsg_pr_ctloutput
{
277 struct netmsg_base base
;
278 int nm_flags
; /* PRCO_xx */
279 struct sockopt
*nm_sopt
;
282 #define PRCO_HELDTD 0x1
284 struct netmsg_pr_ctlinput
{
285 struct netmsg_base base
;
288 struct sockaddr
*nm_arg
;
293 * Union of all possible netmsgs. Note that when a netmsg is sent the
294 * actual allocated storage is likely only the size of the particular
295 * class of message, and not sizeof(union netmsg).
298 struct lwkt_msg lmsg
; /* base embedded */
299 struct netmsg_base base
; /* base embedded */
301 struct netmsg_packet packet
; /* mbuf embedded */
302 struct netmsg_pr_timeout timeout
;
303 struct netmsg_so_notify notify
;
304 struct netmsg_so_notify_abort notify_abort
;
306 struct netmsg_pr_ctloutput ctloutput
;
307 struct netmsg_pr_ctlinput ctlinput
;
309 struct netmsg_pru_abort abort
;
310 struct netmsg_pru_accept accept
; /* synchronous */
311 struct netmsg_pru_attach attach
;
312 struct netmsg_pru_bind bind
;
313 struct netmsg_pru_connect connect
;
314 struct netmsg_pru_connect2 connect2
;
315 struct netmsg_pru_control control
; /* synchronous */
316 struct netmsg_pru_detach detach
;
317 struct netmsg_pru_disconnect disconnect
;
318 struct netmsg_pru_listen listen
;
319 struct netmsg_pru_peeraddr peeraddr
;
320 struct netmsg_pru_rcvd rcvd
;
321 struct netmsg_pru_rcvoob rcvoob
;
322 struct netmsg_pru_send send
;
323 struct netmsg_pru_sense sense
;
324 struct netmsg_pru_shutdown shutdown
;
325 struct netmsg_pru_sockaddr sockaddr
;
326 struct netmsg_pru_sosend sosend
; /* synchronous */
327 struct netmsg_pru_soreceive soreceive
; /* synchronous */
330 #endif /* _KERNEL || _KERNEL_STRUCTURES */
332 #endif /* !_NET_NETMSG_H_ */