If packet larger than MTU is received, the driver uses hardware to
truncate the packet. Use the status registers to catch/drop them.
Signed-off-by: Stephen Hemminger <[EMAIL PROTECTED]>
--- a/drivers/net/sky2.c 2007-07-09 15:30:12.000000000 -0700
+++ b/drivers/net/sky2.c 2007-07-09 15:30:12.000000000 -0700
@@ -2109,6 +2109,9 @@ static struct sk_buff *sky2_receive(stru
if (!(status & GMR_FS_RX_OK))
goto resubmit;
+ if (status >> 16 != length)
+ goto len_mismatch;
+
if (length < copybreak)
skb = receive_copy(sky2, re, length);
else
@@ -2118,6 +2121,11 @@ resubmit:
return skb;
+len_mismatch:
+ /* Truncation of overlength packets
+ causes PHY length to not match MAC length */
+ ++sky2->net_stats.rx_length_errors;
+
error:
++sky2->net_stats.rx_errors;
if (status & GMR_FS_RX_FF_OV) {
--
Stephen Hemminger <[EMAIL PROTECTED]>
-
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