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gianfar: Only process completed frames

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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>
This commit is contained in:
Andy Fleming
2008-03-24 10:53:27 -05:00
committed by Jeff Garzik
parent faa8957762
commit 99da5003a5
2 changed files with 4 additions and 3 deletions
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drivers/net/gianfar.h
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@@ -340,6 +340,9 @@ extern const char gfar_driver_version[];
#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