Implement DevicePathToText MAC address device path.
Signed-off-by: Heinrich Schuchardt <[email protected]>
---
lib/efi_loader/efi_device_path_to_text.c | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/lib/efi_loader/efi_device_path_to_text.c
b/lib/efi_loader/efi_device_path_to_text.c
index 3a92247f30..c6ac5e52f3 100644
--- a/lib/efi_loader/efi_device_path_to_text.c
+++ b/lib/efi_loader/efi_device_path_to_text.c
@@ -9,6 +9,8 @@
#include <common.h>
#include <efi_loader.h>
+#define MAC_OUTPUT_LEN 22
+
const efi_guid_t efi_guid_device_path_to_text_protocol =
EFI_DEVICE_PATH_TO_TEXT_PROTOCOL_GUID;
@@ -35,6 +37,31 @@ uint16_t *efi_convert_device_path_to_text(
uint16_t *buffer = NULL;
switch (device_path->type) {
+ case DEVICE_PATH_TYPE_MESSAGING_DEVICE:
+ switch (device_path->sub_type) {
+ case DEVICE_PATH_SUB_TYPE_MSG_MAC_ADDR: {
+ struct efi_device_path_mac_addr *dp =
+ (struct efi_device_path_mac_addr *)device_path;
+ int i;
+
+ if (dp->if_type != 0 && dp->if_type != 1)
+ break;
+ r = efi_allocate_pool(EFI_ALLOCATE_ANY_PAGES,
+ 2 * MAC_OUTPUT_LEN,
+ (void **)&buffer);
+ if (r != EFI_SUCCESS)
+ break;
+ sprintf((char *)buffer,
+ "MAC(%02x%02x%02x%02x%02x%02x,0x%1x)",
+ dp->mac.addr[0], dp->mac.addr[1],
+ dp->mac.addr[2], dp->mac.addr[3],
+ dp->mac.addr[4], dp->mac.addr[5],
+ dp->if_type);
+ for (i = MAC_OUTPUT_LEN - 1; i >= 0; --i)
+ buffer[i] = ((uint8_t *)buffer)[i];
+ break;
+ }
+ }
case DEVICE_PATH_TYPE_MEDIA_DEVICE:
switch (device_path->sub_type) {
case DEVICE_PATH_SUB_TYPE_FILE_PATH:
--
2.11.0
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