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Diffstat (limited to 'usr.sbin/mrouted/vif.h')
| -rw-r--r-- | usr.sbin/mrouted/vif.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/usr.sbin/mrouted/vif.h b/usr.sbin/mrouted/vif.h new file mode 100644 index 0000000..3cfa2e5 --- /dev/null +++ b/usr.sbin/mrouted/vif.h @@ -0,0 +1,62 @@ +/* + * The mrouted program is covered by the license in the accompanying file + * named "LICENSE". Use of the mrouted program represents acceptance of + * the terms and conditions listed in that file. + * + * The mrouted program is COPYRIGHT 1989 by The Board of Trustees of + * Leland Stanford Junior University. + * + * + * $Id: vif.h,v 1.6 1994/08/24 23:54:47 thyagara Exp $ + */ + +/* + * User level Virtual Interface structure + * + * A "virtual interface" is either a physical, multicast-capable interface + * (called a "phyint") or a virtual point-to-point link (called a "tunnel"). + * (Note: all addresses, subnet numbers and masks are kept in NETWORK order.) + */ +struct uvif { + u_short uv_flags; /* VIFF_ flags defined below */ + u_char uv_metric; /* cost of this vif */ + u_int uv_rate_limit; /* rate limit on this vif */ + u_char uv_threshold; /* min ttl required to forward on vif */ + u_long uv_lcl_addr; /* local address of this vif */ + u_long uv_rmt_addr; /* remote end-point addr (tunnels only) */ + u_long uv_subnet; /* subnet number (phyints only) */ + u_long uv_subnetmask; /* subnet mask (phyints only) */ + u_long uv_subnetbcast;/* subnet broadcast addr (phyints only) */ + char uv_name[IFNAMSIZ]; /* interface name */ + struct listaddr *uv_groups; /* list of local groups (phyints only) */ + struct listaddr *uv_neighbors; /* list of neighboring routers */ + struct vif_acl *uv_acl; /* access control list of groups */ +}; + +#define VIFF_KERNEL_FLAGS (VIFF_TUNNEL|VIFF_SRCRT) +#define VIFF_DOWN 0x0100 /* kernel state of interface */ +#define VIFF_DISABLED 0x0200 /* administratively disabled */ +#define VIFF_QUERIER 0x0400 /* I am the subnet's querier */ +#define VIFF_ONEWAY 0x0800 /* Maybe one way interface */ + +struct vif_acl { + struct vif_acl *acl_next; /* next acl member */ + u_long acl_addr; /* Group address */ + u_long acl_mask; /* Group addr. mask */ +}; + +struct listaddr { + struct listaddr *al_next; /* link to next addr, MUST BE FIRST */ + u_long al_addr; /* local group or neighbor address */ + u_long al_timer; /* for timing out group or neighbor */ + u_long al_genid; /* generation id for neighbor */ + u_char al_pv; /* router protocol version */ + u_char al_mv; /* router mrouted version */ + u_long al_timerid; /* returned by set timer */ + u_long al_query; /* second query in case of leave*/ + u_short al_old; /* if old memberships are present */ + u_short al_last; /* # of query's since last old rep */ +}; + + +#define NO_VIF ((vifi_t)MAXVIFS) /* An invalid vif index */ |
