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_bind (struct socket *so, struct sockaddr *nam, struct thread *td); 86 int so_pru_connect (struct socket *so, struct sockaddr *nam, struct thread *td); 87 int so_pru_connect_async (struct socket *so, struct sockaddr *nam, 88 struct thread *td); 89 int so_pru_connect2 (struct socket *so1, struct socket *so2); 90 int so_pru_control_direct(struct socket *so, u_long cmd, caddr_t data, 91 struct ifnet *ifp); 92 int so_pru_detach (struct socket *so); 93 int so_pru_detach_direct (struct socket *so); 94 int so_pru_disconnect (struct socket *so); 95 void so_pru_disconnect_direct (struct socket *so); 96 int so_pru_listen (struct socket *so, struct thread *td); 97 int so_pru_peeraddr (struct socket *so, struct sockaddr **nam); 98 int so_pru_rcvd (struct socket *so, int flags); 99 void so_pru_rcvd_async (struct socket *so); 100 void so_async_rcvd_reply (struct socket *so); 101 void so_async_rcvd_drop (struct socket *so); 102 int so_pru_rcvoob (struct socket *so, struct mbuf *m, int flags); 103 void so_pru_sync (struct socket *so); 104 int so_pru_send (struct socket *so, int flags, struct mbuf *m, 105 struct sockaddr *addr, struct mbuf *control, 106 struct thread *td); 107 void so_pru_send_async (struct socket *so, int flags, struct mbuf *m, 108 struct sockaddr *addr, struct mbuf *control, 109 struct thread *td); 110 int so_pru_sense (struct socket *so, struct stat *sb); 111 int so_pru_shutdown (struct socket *so); 112 int so_pru_sockaddr (struct socket *so, struct sockaddr **nam); 113 int so_pr_ctloutput(struct socket *so, struct sockopt *sopt); 114 struct lwkt_port *so_pr_ctlport(struct protosw *pr, int cmd, 115 struct sockaddr *arg, void *extra, int *cpuid); 116 void so_pr_ctlinput(struct protosw *pr, int cmd, 117 struct sockaddr *arg, void *extra); 118 void so_pr_ctlinput_direct(struct protosw *pr, int cmd, 119 struct sockaddr *arg, void *extra); 120 121 static __inline int 122 so_pru_senda(struct socket *so, int flags, struct mbuf *m, 123 struct sockaddr *addr, struct mbuf *control, struct thread *td) 124 { 125 if (so->so_proto->pr_flags & PR_ASYNC_SEND) { 126 so_pru_send_async(so, flags, m, addr, control, td); 127 return 0; 128 } else { 129 return so_pru_send(so, flags, m, addr, control, td); 130 } 131 } 132 133 #endif /* _KERNEL */ 134 #endif /* _SYS_SOCKETOPS_H_ */ 135