---

yaml
---
r: 65070
b: refs/heads/master
c: d653223
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 680e9fe9d69ea86e81c859932bfd751be91cc0e0
+refs/heads/master: d6532232cd3de79c852685823a9c52f723816d0a

trunk/drivers/net/sky2.c

@@ -2103,6 +2103,13 @@ static struct sk_buff *sky2_receive(struct net_device *dev,
  	struct sky2_port *sky2 = netdev_priv(dev);
 	struct rx_ring_info *re = sky2->rx_ring + sky2->rx_next;
 	struct sk_buff *skb = NULL;
+	u16 count = (status & GMR_FS_LEN) >> 16;
+
+#ifdef SKY2_VLAN_TAG_USED
+	/* Account for vlan tag */
+	if (sky2->vlgrp && (status & GMR_FS_VLAN))
+		count -= VLAN_HLEN;
+#endif
 
 	if (unlikely(netif_msg_rx_status(sky2)))
 		printk(KERN_DEBUG PFX "%s: rx slot %u status 0x%x len %d\n",
@@ -2117,7 +2124,8 @@ static struct sk_buff *sky2_receive(struct net_device *dev,
 	if (!(status & GMR_FS_RX_OK))
 		goto resubmit;
 
-	if (status >> 16 != length)
+	/* if length reported by DMA does not match PHY, packet was truncated */
+	if (length != count)
 		goto len_mismatch;
 
 	if (length < copybreak)
@@ -2133,6 +2141,10 @@ static struct sk_buff *sky2_receive(struct net_device *dev,
 	/* Truncation of overlength packets
 	   causes PHY length to not match MAC length */
 	++sky2->net_stats.rx_length_errors;
+	if (netif_msg_rx_err(sky2) && net_ratelimit())
+		pr_info(PFX "%s: rx length mismatch: length %d status %#x\n",
+			dev->name, length, status);
+	goto resubmit;
 
 error:
 	++sky2->net_stats.rx_errors;

trunk/drivers/net/sky2.h

@@ -1668,7 +1668,7 @@ enum {
 
 /* Receive Frame Status Encoding */
 enum {
-	GMR_FS_LEN	= 0xffff<<16, /* Bit 31..16:	Rx Frame Length */
+	GMR_FS_LEN	= 0x7fff<<16, /* Bit 30..16:	Rx Frame Length */
 	GMR_FS_VLAN	= 1<<13, /* VLAN Packet */
 	GMR_FS_JABBER	= 1<<12, /* Jabber Packet */
 	GMR_FS_UN_SIZE	= 1<<11, /* Undersize Packet */