nicer debug output on rx

Signed-off-by: John Crispin <blogic@openwrt.org>

diff --git a/interface.c b/interface.c
index bb4282f2a7d01ad160bd4e2f1a0ecbf101e13c57..dc654158eb2bab53cfcc74e5e109af1789eee97b 100644 (file)
--- a/interface.c
+++ b/interface.c
@@ -188,20 +188,26 @@ read_socket4(struct uloop_fd *u, unsigned int events)
                }
        }
 
-       if (0) {
+       if (ttl != 255)
+               return;
+
+       if (debug > 1) {
                char buf[256];
 
+               fprintf(stderr, "iface: %s\n", iface->name);
+               fprintf(stderr, "  v6: %d\n", iface->v6);
+               fprintf(stderr, "  multicast: %d\n", iface->multicast);
                inet_ntop(AF_INET, &from.sin_addr, buf, 256);
-               fprintf(stderr, "%s:%s[%d]%s:%d\n", __FILE__, __func__, __LINE__, buf, from.sin_port);
+               fprintf(stderr, "  src %s:%d\n", buf, from.sin_port);
                inet_ntop(AF_INET, &inp->ipi_spec_dst, buf, 256);
-               fprintf(stderr, "%s:%s[%d]%s:%d\n", __FILE__, __func__, __LINE__, buf, from.sin_port);
+               fprintf(stderr, "  dst %s\n", buf);
                inet_ntop(AF_INET, &inp->ipi_addr, buf, 256);
-               fprintf(stderr, "%s:%s[%d]%s:%d\n", __FILE__, __func__, __LINE__, buf, from.sin_port);
+               fprintf(stderr, "  real %s\n", buf);
        }
 
        if (inp->ipi_ifindex != iface->ifindex)
                fprintf(stderr, "invalid iface index %d != %d\n", ifindex, iface->ifindex);
-       else if (ttl == 255)
+       else
                dns_handle_packet(iface, buffer, len, 0);
 }