1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2001 Brian Somers <brian@Awfulhak.org> 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 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #ifndef NOINET6 30 #define IPV6CP_MAXCODE CODE_CODEREJ 31 32 #define TY_TOKEN 1 33 #define TY_COMPPROTO 2 34 35 #define IPV6CP_IFIDLEN 8 /* RFC2472 */ 36 37 struct ipv6cp { 38 struct fsm fsm; /* The finite state machine */ 39 40 struct { 41 struct fsm_retry fsm; /* frequency to resend requests */ 42 } cfg; 43 44 unsigned peer_tokenreq : 1; /* Any TY_TOKEN REQs from the peer ? */ 45 46 u_char my_ifid[IPV6CP_IFIDLEN]; /* Local Interface Identifier */ 47 u_char his_ifid[IPV6CP_IFIDLEN]; /* Peer Interface Identifier */ 48 49 struct ncpaddr myaddr; /* Local address */ 50 struct ncpaddr hisaddr; /* Peer address */ 51 52 u_int32_t his_reject; /* Request codes rejected by peer */ 53 u_int32_t my_reject; /* Request codes I have rejected */ 54 55 struct pppThroughput throughput; /* throughput statistics */ 56 struct mqueue Queue[2]; /* Output packet queues */ 57 }; 58 59 #define fsm2ipv6cp(fp) (fp->proto == PROTO_IPV6CP ? (struct ipv6cp *)fp : NULL) 60 #define IPV6CP_QUEUES(ipv6cp) (sizeof ipv6cp->Queue / sizeof ipv6cp->Queue[0]) 61 62 struct bundle; 63 struct link; 64 struct cmdargs; 65 struct iface_addr; 66 67 extern void ipv6cp_Init(struct ipv6cp *, struct bundle *, struct link *, 68 const struct fsm_parent *); 69 extern void ipv6cp_Destroy(struct ipv6cp *); 70 extern void ipv6cp_Setup(struct ipv6cp *); 71 extern void ipv6cp_SetLink(struct ipv6cp *, struct link *); 72 73 extern int ipv6cp_Show(struct cmdargs const *); 74 extern struct mbuf *ipv6cp_Input(struct bundle *, struct link *, struct mbuf *); 75 extern void ipv6cp_AddInOctets(struct ipv6cp *, int); 76 extern void ipv6cp_AddOutOctets(struct ipv6cp *, int); 77 78 extern void ipv6cp_IfaceAddrAdded(struct ipv6cp *, const struct iface_addr *); 79 extern void ipv6cp_IfaceAddrDeleted(struct ipv6cp *, const struct iface_addr *); 80 extern int ipv6cp_InterfaceUp(struct ipv6cp *); 81 extern size_t ipv6cp_QueueLen(struct ipv6cp *); 82 extern int ipv6cp_PushPacket(struct ipv6cp *, struct link *); 83 #endif 84