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atl1: fix vlan tag regression 

Commit 401c0aabec 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>
This commit is contained in:
Jay Cliburn 2008-10-29 11:01:36 -05:00 committed by Jeff Garzik
parent 51ac3beffd
commit dc5596d920
2 changed files with 5 additions and 4 deletions
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7
drivers/net/atlx/atl1.c
View File

@ -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);

2
drivers/net/atlx/atl1.h
View File

@ -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