1 /* $NetBSD: in_pcb.h,v 1.60 2016/04/26 08:44:44 ozaki-r Exp $ */ 2 3 /* 4 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the project nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 /* 33 * Copyright (c) 1982, 1986, 1990, 1993 34 * The Regents of the University of California. All rights reserved. 35 * 36 * Redistribution and use in source and binary forms, with or without 37 * modification, are permitted provided that the following conditions 38 * are met: 39 * 1. Redistributions of source code must retain the above copyright 40 * notice, this list of conditions and the following disclaimer. 41 * 2. Redistributions in binary form must reproduce the above copyright 42 * notice, this list of conditions and the following disclaimer in the 43 * documentation and/or other materials provided with the distribution. 44 * 3. Neither the name of the University nor the names of its contributors 45 * may be used to endorse or promote products derived from this software 46 * without specific prior written permission. 47 * 48 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 49 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 50 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 51 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 52 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 53 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 54 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 55 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 56 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 57 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 58 * SUCH DAMAGE. 59 * 60 * @(#)in_pcb.h 8.1 (Berkeley) 6/10/93 61 */ 62 63 #ifndef _NETINET_IN_PCB_H_ 64 #define _NETINET_IN_PCB_H_ 65 66 #include <sys/queue.h> 67 #include <net/route.h> 68 #include <netinet/in_pcb_hdr.h> 69 70 /* 71 * Common structure pcb for internet protocol implementation. 72 * Here are stored pointers to local and foreign host table 73 * entries, local and foreign socket numbers, and pointers 74 * up (to a socket structure) and down (to a protocol-specific) 75 * control block. 76 */ 77 struct inpcb { 78 struct inpcb_hdr inp_head; 79 #define inp_hash inp_head.inph_hash 80 #define inp_queue inp_head.inph_queue 81 #define inp_af inp_head.inph_af 82 #define inp_ppcb inp_head.inph_ppcb 83 #define inp_state inp_head.inph_state 84 #define inp_portalgo inp_head.inph_portalgo 85 #define inp_socket inp_head.inph_socket 86 #define inp_table inp_head.inph_table 87 #define inp_sp inp_head.inph_sp 88 struct route inp_route; /* placeholder for routing entry */ 89 u_int16_t inp_fport; /* foreign port */ 90 u_int16_t inp_lport; /* local port */ 91 int inp_flags; /* generic IP/datagram flags */ 92 struct ip inp_ip; /* header prototype; should have more */ 93 struct mbuf *inp_options; /* IP options */ 94 struct ip_moptions *inp_moptions; /* IP multicast options */ 95 int inp_errormtu; /* MTU of last xmit status = EMSGSIZE */ 96 uint8_t inp_ip_minttl; 97 bool inp_bindportonsend; 98 }; 99 100 #define inp_faddr inp_ip.ip_dst 101 #define inp_laddr inp_ip.ip_src 102 103 /* flags in inp_flags: */ 104 #define INP_RECVOPTS 0x0001 /* receive incoming IP options */ 105 #define INP_RECVRETOPTS 0x0002 /* receive IP options for reply */ 106 #define INP_RECVDSTADDR 0x0004 /* receive IP dst address */ 107 #define INP_HDRINCL 0x0008 /* user supplies entire IP header */ 108 #define INP_HIGHPORT 0x0010 /* (unused; FreeBSD compat) */ 109 #define INP_LOWPORT 0x0020 /* user wants "low" port binding */ 110 #define INP_ANONPORT 0x0040 /* port chosen for user */ 111 #define INP_RECVIF 0x0080 /* receive incoming interface */ 112 /* XXX should move to an UDP control block */ 113 #define INP_ESPINUDP 0x0100 /* ESP over UDP for NAT-T */ 114 #define INP_ESPINUDP_NON_IKE 0x0200 /* ESP over UDP for NAT-T */ 115 #define INP_ESPINUDP_ALL (INP_ESPINUDP|INP_ESPINUDP_NON_IKE) 116 #define INP_NOHEADER 0x0400 /* Kernel removes IP header 117 * before feeding a packet 118 * to the raw socket user. 119 * The socket user will 120 * not supply an IP header. 121 * Cancels INP_HDRINCL. 122 */ 123 #define INP_RECVTTL 0x0800 /* receive incoming IP TTL */ 124 #define INP_PKTINFO 0x1000 /* receive dst packet info */ 125 #define INP_RECVPKTINFO 0x2000 /* receive dst packet info */ 126 #define INP_CONTROLOPTS (INP_RECVOPTS|INP_RECVRETOPTS|INP_RECVDSTADDR|\ 127 INP_RECVIF|INP_RECVTTL|INP_RECVPKTINFO|\ 128 INP_PKTINFO) 129 130 #define sotoinpcb(so) ((struct inpcb *)(so)->so_pcb) 131 132 #ifdef _KERNEL 133 void in_losing(struct inpcb *); 134 int in_pcballoc(struct socket *, void *); 135 int in_pcbbind(void *, struct sockaddr_in *, struct lwp *); 136 int in_pcbconnect(void *, struct sockaddr_in *, struct lwp *); 137 void in_pcbdetach(void *); 138 void in_pcbdisconnect(void *); 139 void in_pcbinit(struct inpcbtable *, int, int); 140 struct inpcb * 141 in_pcblookup_port(struct inpcbtable *, 142 struct in_addr, u_int, int, struct vestigial_inpcb *); 143 struct inpcb * 144 in_pcblookup_bind(struct inpcbtable *, 145 struct in_addr, u_int); 146 struct inpcb * 147 in_pcblookup_connect(struct inpcbtable *, 148 struct in_addr, u_int, struct in_addr, u_int, 149 struct vestigial_inpcb *); 150 int in_pcbnotify(struct inpcbtable *, struct in_addr, u_int, 151 struct in_addr, u_int, int, void (*)(struct inpcb *, int)); 152 void in_pcbnotifyall(struct inpcbtable *, struct in_addr, int, 153 void (*)(struct inpcb *, int)); 154 void in_pcbpurgeif0(struct inpcbtable *, struct ifnet *); 155 void in_pcbpurgeif(struct inpcbtable *, struct ifnet *); 156 void in_purgeifmcast(struct ip_moptions *, struct ifnet *); 157 void in_pcbstate(struct inpcb *, int); 158 void in_rtchange(struct inpcb *, int); 159 void in_setpeeraddr(struct inpcb *, struct sockaddr_in *); 160 void in_setsockaddr(struct inpcb *, struct sockaddr_in *); 161 struct rtentry * 162 in_pcbrtentry(struct inpcb *); 163 #endif 164 165 #endif /* !_NETINET_IN_PCB_H_ */ 166