net: Check for the minimum IP fragmented datagram size

[platform/kernel/u-boot.git] / net / dns.c

diff --git a/net/dns.c b/net/dns.c
index e35c4dc..5b1fe5b 100644 (file)
--- a/net/dns.c
+++ b/net/dns.c
@@ -36,6 +36,16 @@ char *net_dns_env_var;       /* The envvar to store the answer in */
 
 static int dns_our_port;
 
+/*
+ * make port a little random (1024-17407)
+ * This keeps the math somewhat trivial to compute, and seems to work with
+ * all supported protocols/clients/servers
+ */
+static unsigned int random_port(void)
+{
+       return 1024 + (get_timer(0) % 0x4000);
+}
+
 static void dns_send(void)
 {
        struct header *header;