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IPV6_RECVPKTINFO(2const) — Linux manual page

NAME | LIBRARY | SYNOPSIS | DESCRIPTION | ERRORS | HISTORY | SEE ALSO | COLOPHON 

IPV6_RECVPKTINFO(2const)                         IPV6_RECVPKTINFO(2const)

NAME         top

       IPV6_RECVPKTINFO - set delivery of the IPV6_PKTINFO control
       message on incoming datagrams

LIBRARY         top

       Standard C library (libc, -lc)

SYNOPSIS         top

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

       int setsockopt(int sockfd, IPPROTO_IPV6, IPV6_RECVPKTINFO,
                      const int *enable, sizeof(int));

DESCRIPTION         top

       Set delivery of the IPV6_PKTINFO control message on incoming
       datagrams.  Such control messages contain a struct in6_pktinfo, as
       per RFC 3542.

       Allowed only for SOCK_DGRAM or SOCK_RAW sockets.

ERRORS         top

       See IPPROTO_IPV6(2const).  See setsockopt(2).  See ipv6(7).

HISTORY         top

       Linux 2.6.14.

SEE ALSO         top

       IPPROTO_IPV6(2const), setsockopt(2), cmsg(3), ipv6(7)

COLOPHON         top

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Linux man-pages 6.18            2025-12-02       IPV6_RECVPKTINFO(2const)

Pages that refer to this page: IPPROTO_IPV6(2const)

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