Return to ipv6nd.h CVS log

Up to [cvs.NetBSD.org] / src / external / bsd / dhcpcd / dist / src

Annotation of src/external/bsd/dhcpcd/dist/src/ipv6nd.h, Revision 1.1.1.6.2.1

1.1       roy         1: /*
                      2:  * dhcpcd - IPv6 ND handling
1.1.1.6.2.1! christos    3:  * Copyright (c) 2006-2019 Roy Marples <roy@marples.name>
1.1       roy         4:  * All rights reserved
                      5:
                      6:  * Redistribution and use in source and binary forms, with or without
                      7:  * modification, are permitted provided that the following conditions
                      8:  * are met:
                      9:  * 1. Redistributions of source code must retain the above copyright
                     10:  *    notice, this list of conditions and the following disclaimer.
                     11:  * 2. Redistributions in binary form must reproduce the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer in the
                     13:  *    documentation and/or other materials provided with the distribution.
                     14:  *
                     15:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
                     16:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     17:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     18:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
                     19:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     20:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     21:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     22:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     23:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     24:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     25:  * SUCH DAMAGE.
                     26:  */
                     27:
                     28: #ifndef IPV6ND_H
                     29: #define IPV6ND_H
                     30:
1.1.1.6.2.1! christos   31: #ifdef INET6
        !            32:
1.1       roy        33: #include <time.h>
                     34:
                     35: #include "config.h"
                     36: #include "dhcpcd.h"
                     37: #include "ipv6.h"
                     38:
                     39: struct ra {
                     40:        TAILQ_ENTRY(ra) next;
                     41:        struct interface *iface;
                     42:        struct in6_addr from;
                     43:        char sfrom[INET6_ADDRSTRLEN];
                     44:        uint8_t *data;
                     45:        size_t data_len;
                     46:        struct timespec acquired;
                     47:        unsigned char flags;
                     48:        uint32_t lifetime;
                     49:        uint32_t reachable;
                     50:        uint32_t retrans;
                     51:        uint32_t mtu;
                     52:        struct ipv6_addrhead addrs;
                     53:        uint8_t hasdns;
                     54:        uint8_t expired;
                     55: };
                     56:
                     57: TAILQ_HEAD(ra_head, ra);
                     58:
                     59: struct rs_state {
1.1.1.2   roy        60:        struct nd_router_solicit *rs;
1.1       roy        61:        size_t rslen;
                     62:        int rsprobes;
1.1.1.6.2.1! christos   63:        uint32_t retrans;
        !            64: #ifdef __sun
        !            65:        int nd_fd;
        !            66: #endif
1.1       roy        67: };
                     68:
1.1.1.2   roy        69: #define        RS_STATE(a) ((struct rs_state *)(ifp)->if_data[IF_DATA_IPV6ND])
1.1.1.6.2.1! christos   70: #define        RS_CSTATE(a) ((const struct rs_state *)(ifp)->if_data[IF_DATA_IPV6ND])
1.1.1.2   roy        71: #define        RS_STATE_RUNNING(a) (ipv6nd_hasra((a)) && ipv6nd_dadcompleted((a)))
1.1       roy        72:
1.1.1.2   roy        73: #ifndef MAX_RTR_SOLICITATION_DELAY
                     74: #define        MAX_RTR_SOLICITATION_DELAY      1       /* seconds */
                     75: #define        MAX_UNICAST_SOLICIT             3       /* 3 transmissions */
                     76: #define        RTR_SOLICITATION_INTERVAL       4       /* seconds */
                     77: #define        MAX_RTR_SOLICITATIONS           3       /* times */
1.1.1.6.2.1! christos   78: #define        MAX_NEIGHBOR_ADVERTISEMENT      3       /* 3 transmissions */
1.1.1.2   roy        79: #endif
1.1       roy        80:
                     81: /* On carrier up, expire known routers after RTR_CARRIER_EXPIRE seconds. */
                     82: #define RTR_CARRIER_EXPIRE             \
                     83:     (MAX_RTR_SOLICITATION_DELAY +      \
                     84:     (MAX_RTR_SOLICITATIONS + 1) *      \
                     85:     RTR_SOLICITATION_INTERVAL)
                     86:
1.1.1.2   roy        87: #define        MAX_REACHABLE_TIME              3600000 /* milliseconds */
                     88: #define        REACHABLE_TIME                  30000   /* milliseconds */
                     89: #define        RETRANS_TIMER                   1000    /* milliseconds */
                     90: #define        DELAY_FIRST_PROBE_TIME          5       /* seconds */
1.1       roy        91:
1.1.1.2   roy        92: #define        IPV6ND_REACHABLE                (1 << 0)
                     93: #define        IPV6ND_ROUTER                   (1 << 1)
1.1       roy        94:
                     95: void ipv6nd_printoptions(const struct dhcpcd_ctx *,
                     96:     const struct dhcp_opt *, size_t);
                     97: void ipv6nd_startrs(struct interface *);
                     98: ssize_t ipv6nd_env(char **, const char *, const struct interface *);
                     99: const struct ipv6_addr *ipv6nd_iffindaddr(const struct interface *ifp,
1.1.1.2   roy       100:     const struct in6_addr *addr, unsigned int flags);
1.1       roy       101: struct ipv6_addr *ipv6nd_findaddr(struct dhcpcd_ctx *,
1.1.1.2   roy       102:     const struct in6_addr *, unsigned int);
1.1       roy       103: ssize_t ipv6nd_free(struct interface *);
                    104: void ipv6nd_expirera(void *arg);
                    105: int ipv6nd_hasra(const struct interface *);
                    106: int ipv6nd_hasradhcp(const struct interface *);
1.1.1.5   roy       107: void ipv6nd_handleifa(int, struct ipv6_addr *, pid_t);
1.1       roy       108: int ipv6nd_dadcompleted(const struct interface *);
1.1.1.6.2.1! christos  109: void ipv6nd_advertise(struct ipv6_addr *);
1.1       roy       110: void ipv6nd_expire(struct interface *, uint32_t);
                    111: void ipv6nd_drop(struct interface *);
                    112: void ipv6nd_neighbour(struct dhcpcd_ctx *, struct in6_addr *, int);
1.1.1.6.2.1! christos  113: #endif /* INET6 */
1.1       roy       114:
1.1.1.6.2.1! christos  115: #endif /* IPV6ND_H */