diff options
Diffstat (limited to 'sys/netinet/ip_var.h')
| -rw-r--r-- | sys/netinet/ip_var.h | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/sys/netinet/ip_var.h b/sys/netinet/ip_var.h index 47d76fe01b5a..9452d8c9a5d5 100644 --- a/sys/netinet/ip_var.h +++ b/sys/netinet/ip_var.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 1982, 1986 Regents of the University of California. + * Copyright (c) 1982, 1986, 1993 Regents of the University of California. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -31,7 +31,7 @@ * SUCH DAMAGE. * * from: @(#)ip_var.h 7.7 (Berkeley) 6/28/90 - * $Id: ip_var.h,v 1.3 1993/11/07 17:48:00 wollman Exp $ + * $Id: ip_var.h,v 1.4 1994/05/17 22:31:12 jkh Exp $ */ #ifndef _NETINET_IP_VAR_H_ @@ -103,6 +103,18 @@ struct ipoption { char ipopt_list[MAX_IPOPTLEN]; /* options proper */ }; +/* + * Structure attached to inpcb.ip_moptions and + * passed to ip_output when IP multicast options are in use. + */ +struct ip_moptions { + struct ifnet *imo_multicast_ifp; /* ifp for outgoing multicasts */ + u_char imo_multicast_ttl; /* TTL for outgoing multicasts */ + u_char imo_multicast_loop; /* 1 => hear sends if a member */ + u_short imo_num_memberships; /* no. memberships this socket */ + struct in_multi *imo_membership[IP_MAX_MEMBERSHIPS]; +}; + struct ipstat { long ips_total; /* total packets received */ long ips_badsum; /* checksum bad */ @@ -129,6 +141,7 @@ struct ipstat { #ifdef KERNEL /* flags passed to ip_output as last parameter */ #define IP_FORWARDING 0x1 /* most of ip header exists */ +#define IP_MULTICASTOPTS 0x2 /* multicast opts present */ #define IP_ROUTETOIF SO_DONTROUTE /* bypass routing tables */ #define IP_ALLOWBROADCAST SO_BROADCAST /* can send broadcast packets */ |