ip.7p (2010 09)

IP(7P) IP(7P)

[EINVAL] The parameter level is not

IPPROTO_IP;oroptval is the NULL address;

or the speciﬁed multicast address is not valid; or the speciﬁed source

address is not valid; or the speciﬁed interface index is not valid; or the

option is not valid for the current ﬁlter mode.

[ENOBUFS] Insufﬁcient memory is available for internal system data structures; or the

number of sources in a multicast source ﬁlter exceeds the maximum

number of sources allowed, as determined by the ndd tunable parameters

ip_ipc_mcast_maxsrc

and ip_igmp_maxsrc

[ENOPROTOOPT] The parameter optname is not a valid socket option for the

IPPROTO_IP

level.

[EOPNOTSUPP] The socket type is not

SOCK_DGRAM.

[ETOOMANYREFS] An attempt to join more than

IP_MAX_MEMBERSHIPS

multicast groups

on a socket.

AUTHOR

The socket interfaces to IP were developed by the University of California, Berkeley. Multicast exten-

sions were developed by the Stanford University.