diff options
Diffstat (limited to 'sysdep/unix/io.c')
| -rw-r--r-- | sysdep/unix/io.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/sysdep/unix/io.c b/sysdep/unix/io.c index 11a0d6f1..a960b7f8 100644 --- a/sysdep/unix/io.c +++ b/sysdep/unix/io.c @@ -1541,6 +1541,7 @@ sk_sendmsg(sock *s) struct iovec iov = {s->tbuf, s->tpos - s->tbuf}; byte cmsg_buf[CMSG_TX_SPACE]; sockaddr dst; + int flags = 0; sockaddr_fill(&dst, s->af, s->daddr, s->iface, s->dport); @@ -1551,6 +1552,11 @@ sk_sendmsg(sock *s) .msg_iovlen = 1 }; +#ifdef CONFIG_DONTROUTE_UNICAST + if (ipa_is_ip4(s->daddr) && ip4_is_unicast(ipa_to_ip4(s->daddr))) + flags = MSG_DONTROUTE; +#endif + #ifdef CONFIG_USE_HDRINCL byte hdr[20]; struct iovec iov2[2] = { {hdr, 20}, iov }; @@ -1566,7 +1572,7 @@ sk_sendmsg(sock *s) if (s->flags & SKF_PKTINFO) sk_prepare_cmsgs(s, &msg, cmsg_buf, sizeof(cmsg_buf)); - return sendmsg(s->fd, &msg, 0); + return sendmsg(s->fd, &msg, flags); } static inline int |