/* * netsniff-ng - the packet sniffing beast * Copyright 2009, 2010 Daniel Borkmann. * Subject to the GPL, version 2. */ #include #include #include #include #include #include "corking.h" #include "die.h" void set_udp_cork(int fd) { int ret, state = 1; ret = setsockopt(fd, IPPROTO_UDP, UDP_CORK, &state, sizeof(state)); if (unlikely(ret)) panic("Cannot cork UDP socket!\n"); } void set_udp_uncork(int fd) { int ret, state = 0; ret = setsockopt(fd, IPPROTO_UDP, UDP_CORK, &state, sizeof(state)); if (unlikely(ret)) panic("Cannot uncork UDP socket!\n"); } void set_tcp_cork(int fd) { int ret, state = 1; ret = setsockopt(fd, IPPROTO_TCP, TCP_CORK, &state, sizeof(state)); if (unlikely(ret)) panic("Cannot cork TCP socket!\n"); } void set_tcp_uncork(int fd) { int ret, state = 0; ret = setsockopt(fd, IPPROTO_TCP, TCP_CORK, &state, sizeof(state)); if (unlikely(ret)) panic("Cannot uncork TCP socket!\n"); } void set_sock_cork(int fd, bool is_udp) { if (is_udp) set_udp_cork(fd); else set_tcp_cork(fd); } void set_sock_uncork(int fd, bool is_udp) { if (is_udp) set_udp_uncork(fd); else set_tcp_uncork(fd); } p-back'>packet-loop-back net-next plumbingsTobias Klauser
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