IPPROTO_IP2const
Linux ipv4 protocol socket options
Usage
#include <netinet/in.h> /* Definition of IP* constants */ #include <sys/socket.h>
int setsockopt(int sockfd, IPPROTO_IP, int opt, const void val[size], size_t size); int getsockopt(int sockfd, IPPROTO_IP, int opt, void val[size], size_t size);
Library
Standard C library (libc, -lc)
Overview
IP supports some protocol-specific socket options that can be set with setsockopt(2) and read with getsockopt(2). The socket option level for IP is IPPROTO_IP.
The following socket options are supported.
- IP_ADD_MEMBERSHIP(2const)
IP_ADD_SOURCE_MEMBERSHIP(2const)
IP_BIND_ADDRESS_NO_PORT(2const)
IP_BLOCK_SOURCE(2const)
IP_DROP_MEMBERSHIP(2const)
IP_DROP_SOURCE_MEMBERSHIP(2const)
IP_FREEBIND(2const)
IP_HDRINCL(2const)
IP_LOCAL_PORT_RANGE(2const)
IP_MSFILTER(2const)
IP_MTU(2const)
IP_MTU_DISCOVER(2const)
IP_MULTICAST_ALL(2const)
IP_MULTICAST_IF(2const)
IP_MULTICAST_LOOP(2const)
IP_MULTICAST_TTL(2const)
IP_NODEFRAG(2const)
IP_OPTIONS(2const)
IP_PASSSEC(2const)
IP_PKTINFO(2const)
IP_RECVERR(2const)
IP_RECVOPTS(2const)
IP_RECVORIGDSTADDR(2const)
IP_RECVTOS(2const)
IP_RECVTTL(2const)
IP_RETOPTS(2const)
IP_ROUTER_ALERT(2const)
IP_TOS(2const)
IP_TRANSPARENT(2const)
IP_TTL(2const)
IP_UNBLOCK_SOURCE(2const)
Errors
See setsockopt(2). See ip(7).
- ENOPROTOOPT
-
opt is invalid.