Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=71749531f2d1954137a1a77422ef4ff29eb102dd
Commit: 71749531f2d1954137a1a77422ef4ff29eb102dd
Parent: f4331a6d24f2e5524678caf4621d35f33fb934da
Author: Stephen Hemminger <[EMAIL PROTECTED]>
AuthorDate: Mon Jul 9 15:33:40 2007 -0700
Committer: Jeff Garzik <[EMAIL PROTECTED]>
CommitDate: Tue Jul 10 12:22:29 2007 -0400
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: Stephen Hemminger <[EMAIL PROTECTED]>
Signed-off-by: Jeff Garzik <[EMAIL PROTECTED]>
---
drivers/net/sky2.c | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 99a9993..4e0b839 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -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 @@ 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) {
-
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