Implement DevicePathToText MAC address device path.
Signed-off-by: Heinrich Schuchardt xypron.glpk@gmx.de --- 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: