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Commit 71749531 authored by Stephen Hemminger's avatar Stephen Hemminger Committed by Jeff Garzik
Browse files

sky2: check drop truncated packets 



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: default avatarStephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent f4331a6d

drivers/net/sky2.c

+8 −0
Original line number Diff line number Diff line
@@ -2109,6 +2109,9 @@ static struct sk_buff *sky2_receive(struct net_device *dev, 
	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 @@ static struct sk_buff *sky2_receive(struct net_device *dev, 


	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) {