Diff: if/eth/EthernetNetIf.cpp

Revision:

3:5a6792c147c0

Parent:

0:ac1725ba162c

Child:

4:966a0265edfc

--- a/if/eth/EthernetNetIf.cpp	Wed Nov 17 18:55:32 2010 +0000
+++ b/if/eth/EthernetNetIf.cpp	Fri Nov 19 21:01:51 2010 +0000
@@ -43,6 +43,7 @@
   //m_hostname = NULL;
   m_pNetIf = new netif;
   m_useDhcp = true;
+  m_setup = false;
 }
 
 EthernetNetIf::EthernetNetIf(IpAddr ip, IpAddr netmask, IpAddr gateway, IpAddr dns) : LwipNetIf(), m_ethArpTimer(), m_dhcpCoarseTimer(), m_dhcpFineTimer(), m_igmpTimer(), m_pNetIf(NULL), m_hostname(NULL) //W/o DHCP
@@ -54,6 +55,7 @@
   m_pNetIf = new netif;
   dns_setserver(0, &dns.getStruct());
   m_useDhcp = false;
+  m_setup = false;
 }
 
 EthernetNetIf::~EthernetNetIf()
@@ -70,6 +72,16 @@
   
 EthernetErr EthernetNetIf::setup(int timeout_ms /*= 15000*/)
 {
+  if (m_setup)
+  {
+    igmp_stop(m_pNetIf);
+    netif_set_down(m_pNetIf);
+    netif_remove(m_pNetIf);
+    delete m_pNetIf;
+    eth_free();
+    m_pNetIf = new netif;
+  }
+
   LwipNetIf::init();
   //m_ethArpTicker.attach_us(&etharp_tmr,  ARP_TMR_INTERVAL  * 1000); // = 5s in etharp.h
   m_ethArpTimer.start();
@@ -129,6 +141,7 @@
       else
         netif_set_down(m_pNetIf);
       DBG("\r\nTimeout.\r\n");
+      m_setup = true;
       return ETH_TIMEOUT;
     }
   }
@@ -141,6 +154,7 @@
    
   DBG("Connected, IP : %d.%d.%d.%d\n", m_ip[0], m_ip[1], m_ip[2], m_ip[3]);
   
+  m_setup = true;
   return ETH_OK;
 }
 
@@ -162,4 +176,8 @@
   eth_poll();
 }
 
+const char* EthernetNetIf::getHwAddr() const {
+    return (char*)m_pNetIf->hwaddr;
+}
+
 #endif