Bit #14 is "DE" for 'Descriptor Error':

  When set, indicates a frame truncation caused by a frame
  that does not fit within the current descriptor buffers,
  and that the 21143 does not own the next descriptor.

  [Table 4-1. RDES0 Bit Fields Description]

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
 hw/net/tulip.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/net/tulip.h b/hw/net/tulip.h
index 97521b21db..5271aad8d5 100644
--- a/hw/net/tulip.h
+++ b/hw/net/tulip.h
@@ -211,7 +211,7 @@
 #define RDES0_RF         BIT(11)
 #define RDES0_DT_SHIFT   12
 #define RDES0_DT_MASK    3
-#define RDES0_LE         BIT(14)
+#define RDES0_DE         BIT(14)
 #define RDES0_ES         BIT(15)
 #define RDES0_FL_SHIFT   16
 #define RDES0_FL_MASK    0x3fff
-- 
2.21.1