port redirection support

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1054 c046a42c-6fe2-441c-8c8c-71466251a162

1 files changed, 15 insertions, 0 deletions

diff --git a/slirp.c b/slirp.c
index 8bc82c0..f2f3180 100644
--- a/slirp.c
+++ b/slirp.c
@@ -616,3 +616,18 @@ void if_encap(const uint8_t *ip_data, int ip_data_len)
     memcpy(buf + sizeof(struct ethhdr), ip_data, ip_data_len);
     slirp_output(buf, ip_data_len + ETH_HLEN);
 }
+
+int slirp_redir(int is_udp, int host_port, struct in_addr guest_addr,
+                int guest_port)
+{
+    if (is_udp) {
+        if (!udp_listen(htons(host_port), guest_addr.s_addr, htons(guest_port),
+                        0))
+            return -1;
+    } else {
+        if (!solisten(htons(host_port), guest_addr.s_addr, htons(guest_port),
+                      0))
+            return -1;
+    }
+    return 0;
+}