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.
76 TAILQ_HEAD(notifymsglist
, netmsg_so_notify
);
78 struct netmsg_packet
{
79 struct netmsg_base base
;
80 struct mbuf
*nm_packet
;
85 struct netmsg_base base
;
92 struct netmsg_ctlinput
{
93 struct netmsg_base base
;
100 struct netmsg_pr_timeout
{
101 struct netmsg_base base
;
104 struct netmsg_so_notify
;
105 typedef __boolean_t (*msg_predicate_fn_t
)(struct netmsg_so_notify
*);
107 struct netmsg_so_notify
{
108 struct netmsg_base base
;
109 msg_predicate_fn_t nm_predicate
;
110 int nm_fflags
; /* flags e.g. FNONBLOCK */
111 int nm_etype
; /* receive or send event */
112 TAILQ_ENTRY(netmsg_so_notify
) nm_list
;
115 struct netmsg_so_notify_abort
{
116 struct netmsg_base base
;
117 struct netmsg_so_notify
*nm_notifymsg
;
120 #define NM_REVENT 0x1 /* event on receive buffer */
121 #define NM_SEVENT 0x2 /* event on send buffer */
124 * User protocol requests messages.
126 struct netmsg_pru_abort
{
127 struct netmsg_base base
;
130 struct netmsg_pru_accept
{
131 struct netmsg_base base
;
132 struct sockaddr
**nm_nam
;
135 struct netmsg_pru_attach
{
136 struct netmsg_base base
;
138 struct pru_attach_info
*nm_ai
;
141 struct netmsg_pru_bind
{
142 struct netmsg_base base
;
143 struct sockaddr
*nm_nam
;
144 struct thread
*nm_td
;
145 int nm_flags
; /* PRUB_ */
148 #define PRUB_RELINK 0x0001
150 struct netmsg_pru_connect
{
151 struct netmsg_base base
;
152 struct sockaddr
*nm_nam
;
153 struct thread
*nm_td
;
154 struct mbuf
*nm_m
; /* connect with send */
155 int nm_sndflags
; /* connect with send, PRUS_ */
156 int nm_flags
; /* message control */
159 #define PRUC_RECONNECT 0x0001 /* thread port change */
160 #define PRUC_PUSH 0x0004 /* call tcp_output */
161 #define PRUC_ASYNC 0x0010
162 #define PRUC_HELDTD 0x0020
163 #define PRUC_HASLADDR 0x0040
165 struct netmsg_pru_connect2
{
166 struct netmsg_base base
;
167 struct socket
*nm_so1
;
168 struct socket
*nm_so2
;
171 struct netmsg_pru_control
{
172 struct netmsg_base base
;
175 struct ifnet
*nm_ifp
;
176 struct thread
*nm_td
;
179 struct netmsg_pru_detach
{
180 struct netmsg_base base
;
183 struct netmsg_pru_disconnect
{
184 struct netmsg_base base
;
187 struct netmsg_pru_listen
{
188 struct netmsg_base base
;
189 struct thread
*nm_td
;
190 int nm_flags
; /* PRUL_xxx */
193 #define PRUL_RELINK 0x1
195 struct netmsg_pru_peeraddr
{
196 struct netmsg_base base
;
197 struct sockaddr
**nm_nam
;
200 struct netmsg_pru_rcvd
{
201 struct netmsg_base base
;
203 int nm_pru_flags
; /* PRUR_xxx */
206 #define PRUR_ASYNC 0x1
207 #define PRUR_DEAD 0x2
209 struct netmsg_pru_rcvoob
{
210 struct netmsg_base base
;
215 struct netmsg_pru_send
{
216 struct netmsg_base base
;
217 int nm_flags
; /* PRUS_xxx */
218 int nm_priv
; /* proto priv. */
220 struct sockaddr
*nm_addr
;
221 struct mbuf
*nm_control
;
222 struct thread
*nm_td
;
227 #define PRUS_MORETOCOME 0x4
228 #define PRUS_NAMALLOC 0x8
229 #define PRUS_NOREPLY 0x10
230 #define PRUS_DONTROUTE 0x20
231 #define PRUS_FREEADDR 0x40
232 #define PRUS_HELDTD 0x80
234 struct netmsg_pru_sense
{
235 struct netmsg_base base
;
236 struct stat
*nm_stat
;
239 struct netmsg_pru_shutdown
{
240 struct netmsg_base base
;
243 struct netmsg_pru_sockaddr
{
244 struct netmsg_base base
;
245 struct sockaddr
**nm_nam
;
248 struct netmsg_pru_sosend
{
249 struct netmsg_base base
;
250 struct sockaddr
*nm_addr
;
253 struct mbuf
*nm_control
;
255 struct thread
*nm_td
;
258 struct netmsg_pru_soreceive
{
259 struct netmsg_base base
;
260 struct sockaddr
*nm_addr
;
261 struct sockaddr
**nm_paddr
;
263 struct sockbuf
*nm_sio
;
264 struct mbuf
**nm_controlp
;
268 struct netmsg_pr_ctloutput
{
269 struct netmsg_base base
;
270 struct sockopt
*nm_sopt
;
273 struct netmsg_pr_ctlinput
{
274 struct netmsg_base base
;
277 struct sockaddr
*nm_arg
;
282 * Union of all possible netmsgs. Note that when a netmsg is sent the
283 * actual allocated storage is likely only the size of the particular
284 * class of message, and not sizeof(union netmsg).
287 struct lwkt_msg lmsg
; /* base embedded */
288 struct netmsg_base base
; /* base embedded */
290 struct netmsg_packet packet
; /* mbuf embedded */
291 struct netmsg_pr_timeout timeout
;
292 struct netmsg_so_notify notify
;
293 struct netmsg_so_notify_abort notify_abort
;
295 struct netmsg_pr_ctloutput ctloutput
;
296 struct netmsg_pr_ctlinput ctlinput
;
298 struct netmsg_pru_abort abort
;
299 struct netmsg_pru_accept accept
; /* synchronous */
300 struct netmsg_pru_attach attach
;
301 struct netmsg_pru_bind bind
;
302 struct netmsg_pru_connect connect
;
303 struct netmsg_pru_connect2 connect2
;
304 struct netmsg_pru_control control
; /* synchronous */
305 struct netmsg_pru_detach detach
;
306 struct netmsg_pru_disconnect disconnect
;
307 struct netmsg_pru_listen listen
;
308 struct netmsg_pru_peeraddr peeraddr
;
309 struct netmsg_pru_rcvd rcvd
;
310 struct netmsg_pru_rcvoob rcvoob
;
311 struct netmsg_pru_send send
;
312 struct netmsg_pru_sense sense
;
313 struct netmsg_pru_shutdown shutdown
;
314 struct netmsg_pru_sockaddr sockaddr
;
315 struct netmsg_pru_sosend sosend
; /* synchronous */
316 struct netmsg_pru_soreceive soreceive
; /* synchronous */
319 #endif /* _KERNEL || _KERNEL_STRUCTURES */
321 #endif /* !_NET_NETMSG_H_ */