File grub2-efinet-ipv6-dhcpv6-use-mac-device.patch of Package grub2.11978

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File grub2-efinet-ipv6-dhcpv6-use-mac-device.patch of Package grub2.11978

Index: grub-2.02~beta2/grub-core/net/bootp.c
===================================================================
--- grub-2.02~beta2.orig/grub-core/net/bootp.c
+++ grub-2.02~beta2/grub-core/net/bootp.c
@@ -1228,6 +1228,10 @@ grub_cmd_bootp6 (struct grub_command *cm
   {
     if (argc > 0 && grub_strcmp (card->name, args[0]) != 0)
       continue;
+#ifdef GRUB_MACHINE_EFI
+    else if (!card->is_efi_mac_device (card))
+      continue;
+#endif
     ncards++;
   }
 
@@ -1237,6 +1241,10 @@ grub_cmd_bootp6 (struct grub_command *cm
 
     if (argc > 0 && grub_strcmp (card->name, args[0]) != 0)
       continue;
+#ifdef GRUB_MACHINE_EFI
+    else if (!card->is_efi_mac_device (card))
+      continue;
+#endif
 
     ifaces = grub_net_ipv6_get_link_local (card, &card->default_address);
     if (!ifaces)
Index: grub-2.02~beta2/grub-core/net/drivers/efi/efinet.c
===================================================================
--- grub-2.02~beta2.orig/grub-core/net/drivers/efi/efinet.c
+++ grub-2.02~beta2/grub-core/net/drivers/efi/efinet.c
@@ -229,6 +229,45 @@ grub_efinet_get_device_handle (struct gr
   return card->efi_handle;
 }
 
+static int
+grub_efinet_is_mac_device (struct grub_net_card *card)
+{
+  grub_efi_handle_t efi_handle;
+  grub_efi_device_path_t *dp;
+  grub_efi_device_path_t *next, *p;
+  grub_efi_uint8_t type;
+  grub_efi_uint8_t subtype;
+
+  efi_handle = grub_efinet_get_device_handle (card);
+
+  if (!efi_handle)
+    return 0;
+
+  dp = grub_efi_get_device_path (efi_handle);
+
+  if (GRUB_EFI_END_ENTIRE_DEVICE_PATH (dp))
+    return 0;
+
+  for (p = (grub_efi_device_path_t *) dp, next = GRUB_EFI_NEXT_DEVICE_PATH (p);
+       ! GRUB_EFI_END_ENTIRE_DEVICE_PATH (next);
+       p = next, next = GRUB_EFI_NEXT_DEVICE_PATH (next))
+    ;
+
+  if (p)
+    {
+      type = GRUB_EFI_DEVICE_PATH_TYPE (p);
+      subtype = GRUB_EFI_DEVICE_PATH_SUBTYPE (p);
+
+      if (type == GRUB_EFI_MESSAGING_DEVICE_PATH_TYPE
+	  && subtype == GRUB_EFI_MAC_ADDRESS_DEVICE_PATH_SUBTYPE)
+	{
+	  return 1;
+	}
+    }
+
+  return 0;
+}
+
 static void
 grub_efinet_findcards (void)
 {
@@ -318,6 +357,7 @@ grub_efinet_findcards (void)
 		   sizeof (card->default_address.mac));
       card->efi_net = net;
       card->efi_handle = *handle;
+      card->is_efi_mac_device = grub_efinet_is_mac_device;
 
       grub_net_card_register (card);
     }
Index: grub-2.02~beta2/include/grub/net.h
===================================================================
--- grub-2.02~beta2.orig/include/grub/net.h
+++ grub-2.02~beta2/include/grub/net.h
@@ -140,6 +140,7 @@ struct grub_net_card
       struct grub_efi_simple_network *efi_net;
       grub_efi_handle_t efi_handle;
       grub_size_t last_pkt_size;
+      int (*is_efi_mac_device) (struct grub_net_card* card);
     };
 #endif
     void *data;

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File grub2-efinet-ipv6-dhcpv6-use-mac-device.patch of Package grub2.11978

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