Update UC3 platform driver support to use the bitmasks defined in the header files...

[pub/USBasp.git] / Projects / Webserver / Lib / uip / uip_arp.c

diff --git a/Projects/Webserver/Lib/uip/uip_arp.c b/Projects/Webserver/Lib/uip/uip_arp.c
index dc21cc0..fcb783b 100644 (file)
--- a/Projects/Webserver/Lib/uip/uip_arp.c
+++ b/Projects/Webserver/Lib/uip/uip_arp.c
@@ -16,7 +16,7 @@
  *
  * \note This ARP implementation only supports Ethernet.
  */
- 
+
 /**
  * \file
  * Implementation of the ARP Address Resolution Protocol.
@@ -149,8 +149,8 @@ uip_arp_init(void)
 void
 uip_arp_timer(void)
 {
-  struct arp_entry *tabptr;
-  
+  struct arp_entry *tabptr = NULL;
+
   ++arptime;
   for(i = 0; i < UIP_ARPTAB_SIZE; ++i) {
     tabptr = &arp_table[i];
@@ -165,7 +165,7 @@ uip_arp_timer(void)
 static void
 uip_arp_update(uip_ipaddr_t *ipaddr, struct uip_eth_addr *ethaddr)
 {
-  register struct arp_entry *tabptr;
+  register struct arp_entry *tabptr = NULL;
   /* Walk through the ARP mapping table and try to find an entry to
      update. If none is found, the IP -> MAC address mapping is
      inserted in the ARP table. */
@@ -178,7 +178,7 @@ uip_arp_update(uip_ipaddr_t *ipaddr, struct uip_eth_addr *ethaddr)
       /* Check if the source IP address of the incoming packet matches
          the IP address in this ARP table entry. */
       if(uip_ipaddr_cmp(ipaddr, &tabptr->ipaddr)) {
-        
+
        /* An old entry found, update this and return. */
        memcpy(tabptr->ethaddr.addr, ethaddr->addr, 6);
        tabptr->time = arptime;
@@ -240,7 +240,7 @@ void
 uip_arp_ipin(void)
 {
   uip_len -= sizeof(struct uip_eth_hdr);
-       
+
   /* Only insert/update an entry if the source IP address of the
      incoming IP packet comes from a host on the local network. */
   if((IPBUF->srcipaddr[0] & uip_netmask[0]) !=
@@ -252,7 +252,7 @@ uip_arp_ipin(void)
     return;
   }
   uip_arp_update(IPBUF->srcipaddr, &(IPBUF->ethhdr.src));
-  
+
   return;
 }
 #endif /* 0 */
@@ -282,13 +282,12 @@ uip_arp_ipin(void)
 void
 uip_arp_arpin(void)
 {
-  
   if(uip_len < sizeof(struct arp_hdr)) {
     uip_len = 0;
     return;
   }
   uip_len = 0;
-  
+
   switch(BUF->opcode) {
   case HTONS(ARP_REQUEST):
     /* ARP request. If it asked for our address, we send out a
@@ -305,14 +304,14 @@ uip_arp_arpin(void)
         table, since it is likely that we will do more communication
         with this host in the future. */
       uip_arp_update(&BUF->sipaddr, &BUF->shwaddr);
-      
+
       BUF->opcode = HTONS(ARP_REPLY);
 
       memcpy(BUF->dhwaddr.addr, BUF->shwaddr.addr, 6);
       memcpy(BUF->shwaddr.addr, uip_ethaddr.addr, 6);
       memcpy(BUF->ethhdr.src.addr, uip_ethaddr.addr, 6);
       memcpy(BUF->ethhdr.dest.addr, BUF->dhwaddr.addr, 6);
-      
+
       uip_ipaddr_copy(&BUF->dipaddr, &BUF->sipaddr);
       uip_ipaddr_copy(&BUF->sipaddr, &uip_hostaddr);
 
@@ -362,10 +361,10 @@ uip_arp_arpin(void)
 void
 uip_arp_out(void)
 {
-  struct arp_entry *tabptr;
-  
+  struct arp_entry *tabptr = NULL;
+
   /* Find the destination IP address in the ARP table and construct
-     the Ethernet header. If the destination IP addres isn't on the
+     the Ethernet header. If the destination IP address isn't on the
      local network, we use the default router's IP address instead.
 
      If not ARP table entry is found, we overwrite the original IP
@@ -385,7 +384,7 @@ uip_arp_out(void)
       /* Else, we use the destination IP address. */
       uip_ipaddr_copy(&ipaddr, &IPBUF->destipaddr);
     }
-      
+
     for(i = 0; i < UIP_ARPTAB_SIZE; ++i) {
       tabptr = &arp_table[i];
       if(uip_ipaddr_cmp(&ipaddr, &tabptr->ipaddr)) {
@@ -401,7 +400,7 @@ uip_arp_out(void)
       memset(BUF->dhwaddr.addr, 0x00, 6);
       memcpy(BUF->ethhdr.src.addr, uip_ethaddr.addr, 6);
       memcpy(BUF->shwaddr.addr, uip_ethaddr.addr, 6);
-    
+
       uip_ipaddr_copy(&BUF->dipaddr, &ipaddr);
       uip_ipaddr_copy(&BUF->sipaddr, &uip_hostaddr);
       BUF->opcode = HTONS(ARP_REQUEST); /* ARP request. */
@@ -412,7 +411,7 @@ uip_arp_out(void)
       BUF->ethhdr.type = HTONS(UIP_ETHTYPE_ARP);
 
       uip_appdata = &uip_buf[UIP_TCPIP_HLEN + UIP_LLH_LEN];
-    
+
       uip_len = sizeof(struct arp_hdr);
       return;
     }
@@ -421,7 +420,7 @@ uip_arp_out(void)
     memcpy(IPBUF->ethhdr.dest.addr, tabptr->ethaddr.addr, 6);
   }
   memcpy(IPBUF->ethhdr.src.addr, uip_ethaddr.addr, 6);
-  
+
   IPBUF->ethhdr.type = HTONS(UIP_ETHTYPE_IP);
 
   uip_len += sizeof(struct uip_eth_hdr);
@@ -430,3 +429,4 @@ uip_arp_out(void)
 
 /** @} */
 /** @} */
+