IP_ADD_SOURCE_MEMBERSHIP(2const)              IP_ADD_SOURCE_MEMBERSHIP(2const)

NAME
       IP_ADD_SOURCE_MEMBERSHIP - join a multicast group and allow receiving
       data only from a specified source

LIBRARY
       Standard C library (libc, -lc)

SYNOPSIS
       #include <netinet/in.h>  /* Definition of IP* constants */
       #include <sys/socket.h>

       int setsockopt(int sockfd, IPPROTO_IP, IP_ADD_SOURCE_MEMBERSHIP,
                      const struct ip_mreq_source *val,
                      sizeof(struct ip_mreq_source));

DESCRIPTION
       Join a multicast group and allow receiving data only from a specified
       source.

       This option can be used multiple times to allow receiving data from
       more than one source.

ERRORS
       See IPPROTO_IP(2const).  See setsockopt(2).  See ip(7).

HISTORY
       Linux 2.4.22, Linux 2.5.68.

SEE ALSO
       IPPROTO_IP(2const), IP_ADD_MEMBERSHIP(2const), ip_mreq_source(2type),
       setsockopt(2), ip(7)

Linux man-pages 6.17              2025-11-25  IP_ADD_SOURCE_MEMBERSHIP(2const)