Initial Implementation of TFTP protocol and new protocol structs.

net/ieee1275/interface.c

@@ -0,0 +1,80 @@
+#include <grub/net/ieee1275/interface.h>
+#include <grub/mm.h>
+
+grub_uint32_t get_server_ip (void)
+{
+  return bootp_pckt->siaddr;
+}
+
+grub_uint32_t get_client_ip (void)
+{
+  return bootp_pckt->yiaddr;
+}
+
+grub_uint8_t* get_server_mac (void)
+{
+  grub_uint8_t *mac; 
+ 
+  mac = grub_malloc (6 * sizeof(grub_uint8_t));
+  mac[0] = 0x00 ;
+  mac[1] = 0x11 ;
+  mac[2] = 0x25 ; 
+  mac[3] = 0xca ;  
+  mac[4] = 0x1f ;  
+  mac[5] = 0x01 ;  
+
+  return mac;
+
+}
+
+grub_uint8_t* get_client_mac (void)
+{
+  grub_uint8_t *mac;
+  
+  mac = grub_malloc (6 * sizeof (grub_uint8_t));
+  mac[0] = 0x0a ;
+  mac[1] = 0x11 ;
+  mac[2] = 0xbd ;
+  mac[3] = 0xe3 ; 
+  mac[4] = 0xe3 ;   
+  mac[5] = 0x04 ;
+
+  return mac;
+}  
+
+static grub_ieee1275_ihandle_t handle;
+int card_open (void)
+{
+
+  grub_ieee1275_open (grub_net->dev , &handle);
+    return 1;//error
+
+}
+int card_close (void)
+{
+
+  if (handle)
+    grub_ieee1275_close (handle);
+  return 0;
+}
+
+
+int send_card_buffer (void *buffer,int buff_len)
+{
+  
+  int actual; 
+
+  grub_ieee1275_write (handle,buffer,buff_len,&actual);
+ 
+  return actual; 
+}
+
+int get_card_buffer (void *buffer,int buff_len)
+{
+
+  int actual; 
+
+  grub_ieee1275_read (handle,buffer,buff_len,&actual);
+  
+  return actual; 
+}