xref: /dragonfly/sys/sys/socketops.h (revision 8edfbc5e)
1 /*
2  * Copyright (c) 2003, 2004 Jeffrey M. Hsu.  All rights reserved.
3  * Copyright (c) 2003, 2004 The DragonFly Project.  All rights reserved.
4  *
5  * This code is derived from software contributed to The DragonFly Project
6  * by Jeffrey M. Hsu.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
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.
19  *
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
31  * SUCH DAMAGE.
32  *
33  * $DragonFly: src/sys/sys/socketops.h,v 1.14 2008/10/27 02:56:30 sephe Exp $
34  */
35 
36 #ifndef _SOCKETOPS_H_
37 #define _SOCKETOPS_H_
38 
39 #ifndef _KERNEL
40 
41 #error "This file should not be included by userland programs."
42 
43 #else
44 
45 #ifndef _SYS_PROTOSW_H_
46 #include <sys/protosw.h>
47 #endif
48 #ifndef _SYS_SOCKET_H_
49 #include <sys/socket.h>
50 #endif
51 #ifndef _SYS_SOCKETVAR_H_
52 #include <sys/socketvar.h>
53 #endif
54 
55 /*
56  * sosend() and soreceive() can block and also calls other pru_usrreq functions.
57  * They should not really be usrreq functions.  Always call them directly from
58  * the process context rather than passing a message to the protocol thread.
59  */
60 static __inline int
61 so_pru_sosend(struct socket *so, struct sockaddr *addr, struct uio *uio,
62 	      struct mbuf *top, struct mbuf *control, int flags,
63 	      struct thread *td)
64 {
65 	return ((*so->so_proto->pr_usrreqs->pru_sosend)(so, addr, uio, top,
66 		control, flags, td));
67 }
68 
69 static __inline int
70 so_pru_soreceive(struct socket *so, struct sockaddr **paddr, struct uio *uio,
71 		 struct sockbuf *sio, struct mbuf **controlp, int *flagsp)
72 {
73 	return ((*so->so_proto->pr_usrreqs->pru_soreceive)(so, paddr, uio, sio,
74 		controlp, flagsp));
75 }
76 
77 struct lwkt_port;
78 
79 void so_pru_abort_async (struct socket *so);
80 void so_pru_abort_direct (struct socket *so);
81 int so_pru_accept (struct socket *so, struct sockaddr **nam);
82 int so_pru_attach (struct socket *so, int proto, struct pru_attach_info *ai);
83 int so_pru_attach_direct(struct socket *so, int proto,
84 		struct pru_attach_info *ai);
85 int so_pru_attach_fast(struct socket *so, int proto,
86 		struct pru_attach_info *ai);
87 int so_pru_bind (struct socket *so, struct sockaddr *nam, struct thread *td);
88 int so_pru_connect (struct socket *so, struct sockaddr *nam, struct thread *td);
89 int so_pru_connect_async (struct socket *so, struct sockaddr *nam,
90 		struct thread *td);
91 int so_pru_connect2 (struct socket *so1, struct socket *so2);
92 int so_pru_control_direct(struct socket *so, u_long cmd, caddr_t data,
93 		struct ifnet *ifp);
94 int so_pru_detach (struct socket *so);
95 int so_pru_detach_direct (struct socket *so);
96 int so_pru_disconnect (struct socket *so);
97 void so_pru_disconnect_direct (struct socket *so);
98 int so_pru_listen (struct socket *so, struct thread *td);
99 int so_pru_peeraddr (struct socket *so, struct sockaddr **nam);
100 int so_pru_rcvd (struct socket *so, int flags);
101 void so_pru_rcvd_async (struct socket *so);
102 void so_async_rcvd_reply (struct socket *so);
103 void so_async_rcvd_drop (struct socket *so);
104 int so_pru_rcvoob (struct socket *so, struct mbuf *m, int flags);
105 void so_pru_sync (struct socket *so);
106 int so_pru_send (struct socket *so, int flags, struct mbuf *m,
107 		struct sockaddr *addr, struct mbuf *control,
108 		struct thread *td);
109 void so_pru_send_async (struct socket *so, int flags, struct mbuf *m,
110 		struct sockaddr *addr, struct mbuf *control,
111 		struct thread *td);
112 int so_pru_sense (struct socket *so, struct stat *sb);
113 int so_pru_shutdown (struct socket *so);
114 int so_pru_sockaddr (struct socket *so, struct sockaddr **nam);
115 int so_pr_ctloutput(struct socket *so, struct sockopt *sopt);
116 struct lwkt_port *so_pr_ctlport(struct protosw *pr, int cmd,
117 		struct sockaddr *arg, void *extra, int *cpuid);
118 void so_pr_ctlinput(struct protosw *pr, int cmd,
119 		struct sockaddr *arg, void *extra);
120 void so_pr_ctlinput_direct(struct protosw *pr, int cmd,
121 		struct sockaddr *arg, void *extra);
122 
123 static __inline int
124 so_pru_senda(struct socket *so, int flags, struct mbuf *m,
125 	     struct sockaddr *addr, struct mbuf *control, struct thread *td)
126 {
127 	if (so->so_proto->pr_flags & PR_ASYNC_SEND) {
128 		so_pru_send_async(so, flags, m, addr, control, td);
129 		return 0;
130 	} else {
131 		return so_pru_send(so, flags, m, addr, control, td);
132 	}
133 }
134 
135 #endif	/* _KERNEL */
136 #endif	/* _SYS_SOCKETOPS_H_ */
137