gianfar: Only process completed frames
If the LAST bit is not set in the RxBD, it's possible we're processing
an incomplete frame, which is bad. While we're at it, add a constant
for the error bitmask, so the whole if-clause fits on one line,
and is more legible.
Signed-off-by: Dai Haruki <dai.haruki@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/gianfar.h b/drivers/net/gianfar.h
index 5b8991d..fcfa1bd 100644
--- a/drivers/net/gianfar.h
+++ b/drivers/net/gianfar.h
@@ -340,6 +340,9 @@
#define RXBD_OVERRUN 0x0002
#define RXBD_TRUNCATED 0x0001
#define RXBD_STATS 0x01ff
+#define RXBD_ERR (RXBD_LARGE | RXBD_SHORT | RXBD_NONOCTET \
+ | RXBD_CRCERR | RXBD_OVERRUN \
+ | RXBD_TRUNCATED)
/* Rx FCB status field bits */
#define RXFCB_VLN 0x8000