sys/sys/socketops.h

   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_ */