From 92aa004b752b29439857f567111291dde952c3c3 Mon Sep 17 00:00:00 2001
From: goldsimon <goldsimon>
Date: Fri, 30 Nov 2007 12:46:30 +0000
Subject: [PATCH] connect the UDP pcb to the DNS server (IPaddress and port) to
 receive faster (unconnected pcbs are very inefficient in udp_input)

---
 src/core/dns.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/core/dns.c b/src/core/dns.c
index e544e280..5821183b 100644
--- a/src/core/dns.c
+++ b/src/core/dns.c
@@ -464,6 +464,8 @@ dns_send(u8_t numdns, const char* name, u8_t id)
     /* resize pbuf to the exact dns query */
     pbuf_realloc(p, (query + sizeof(struct dns_query)) - ((char*)(p->payload)));
 
+    /* connect to the server for faster receiving */
+    udp_connect(dns_pcb, &dns_servers[numdns], DNS_SERVER_PORT);
     /* send dns packet */
     err = udp_sendto(dns_pcb, p, &dns_servers[numdns], DNS_SERVER_PORT);