From dc5596d920b504d263c7ca38bd76326179b13dee Mon Sep 17 00:00:00 2001
From: Jay Cliburn <jacliburn@bellsouth.net>
Date: Wed, 29 Oct 2008 11:01:36 -0500
Subject: [PATCH] atl1: fix vlan tag regression
Commit 401c0aabec4b97320f962a0161a846d230a6f7aa introduced a regression
in the atl1 driver by storing the VLAN tag in the wrong TX descriptor
field.
This patch causes the VLAN tag to be stored in its proper location.
Tested-by: Ramon Casellas <ramon.casellas@cttc.es>
Signed-off-by: Jay Cliburn <jacliburn@bellsouth.net>
Cc: stable@kernel.org
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
drivers/net/atlx/atl1.c | 7 ++++---
drivers/net/atlx/atl1.h | 2 +-
2 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/net/atlx/atl1.c b/drivers/net/atlx/atl1.c
index 3cf59a7f5a1c..246d92b42636 100644
--- a/drivers/net/atlx/atl1.c
+++ b/drivers/net/atlx/atl1.c
@@ -2310,7 +2310,8 @@ static void atl1_tx_queue(struct atl1_adapter *adapter, u16 count,
if (tpd != ptpd)
memcpy(tpd, ptpd, sizeof(struct tx_packet_desc));
tpd->buffer_addr = cpu_to_le64(buffer_info->dma);
- tpd->word2 = (cpu_to_le16(buffer_info->length) &
+ tpd->word2 &= ~(TPD_BUFLEN_MASK << TPD_BUFLEN_SHIFT);
+ tpd->word2 |= (cpu_to_le16(buffer_info->length) &
TPD_BUFLEN_MASK) << TPD_BUFLEN_SHIFT;
/*
@@ -2409,8 +2410,8 @@ static int atl1_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
vlan_tag = (vlan_tag << 4) | (vlan_tag >> 13) |
((vlan_tag >> 9) & 0x8);
ptpd->word3 |= 1 << TPD_INS_VL_TAG_SHIFT;
- ptpd->word3 |= (vlan_tag & TPD_VL_TAGGED_MASK) <<
- TPD_VL_TAGGED_SHIFT;
+ ptpd->word2 |= (vlan_tag & TPD_VLANTAG_MASK) <<
+ TPD_VLANTAG_SHIFT;
}
tso = atl1_tso(adapter, skb, ptpd);
diff --git a/drivers/net/atlx/atl1.h b/drivers/net/atlx/atl1.h
index a5015b14a429..ffa73fc8d95e 100644
--- a/drivers/net/atlx/atl1.h
+++ b/drivers/net/atlx/atl1.h
@@ -504,7 +504,7 @@ struct rx_free_desc {
#define TPD_PKTNT_MASK 0x0001
#define TPD_PKTINT_SHIFT 15
#define TPD_VLANTAG_MASK 0xFFFF
-#define TPD_VLAN_SHIFT 16
+#define TPD_VLANTAG_SHIFT 16
/* tpd word 3 bits 0:13 */
#define TPD_EOP_MASK 0x0001
--
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