diff options
Diffstat (limited to 'src/proto_udp.c')
| -rw-r--r-- | src/proto_udp.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/proto_udp.c b/src/proto_udp.c index 9855974..7308e98 100644 --- a/src/proto_udp.c +++ b/src/proto_udp.c @@ -155,6 +155,26 @@ int udp_bind_listener(struct listener *listener, char *errmsg, int errlen) if (global.tune.frontend_sndbuf) setsockopt(listener->rx.fd, SOL_SOCKET, SO_SNDBUF, &global.tune.frontend_sndbuf, sizeof(global.tune.frontend_sndbuf)); + if (listener->rx.flags & RX_F_PASS_PKTINFO) { + /* set IP_PKTINFO to retrieve destination address on recv */ + switch (listener->rx.addr.ss_family) { + case AF_INET: +#if defined(IP_PKTINFO) + setsockopt(listener->rx.fd, IPPROTO_IP, IP_PKTINFO, &one, sizeof(one)); +#elif defined(IP_RECVDSTADDR) + setsockopt(listener->rx.fd, IPPROTO_IP, IP_RECVDSTADDR, &one, sizeof(one)); +#endif /* IP_PKTINFO || IP_RECVDSTADDR */ + break; + case AF_INET6: +#ifdef IPV6_RECVPKTINFO + setsockopt(listener->rx.fd, IPPROTO_IPV6, IPV6_RECVPKTINFO, &one, sizeof(one)); +#endif + break; + default: + break; + } + } + listener_set_state(listener, LI_LISTEN); udp_return: |