netdev - [PATCH 07/26] atl1: clarify max rx frame size

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Date:	Mon, 31 Dec 2007 20:22:34 -0600
From:	Jay Cliburn <jacliburn@...lsouth.net>
To:	netdev@...r.kernel.org
Cc:	Jay Cliburn <jacliburn@...lsouth.net>
Subject: [PATCH 07/26] atl1: clarify max rx frame size

When we initially set max rx frame size, we don't explicitly allow room for
the VLAN header; it's done later in a somewhat obscure fashion.  Let's make
it clear from the top that we've allowed enough room for the VLAN header.

Signed-off-by: Jay Cliburn <jacliburn@...lsouth.net>
---
 drivers/net/atlx/atl1.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/atlx/atl1.c b/drivers/net/atlx/atl1.c
index 695dcbc..c93cf19 100644
--- a/drivers/net/atlx/atl1.c
+++ b/drivers/net/atlx/atl1.c
@@ -113,7 +113,7 @@ static int __devinit atl1_sw_init(struct atl1_adapter *adapter)
 	struct atl1_hw *hw = &adapter->hw;
 	struct net_device *netdev = adapter->netdev;
 
-	hw->max_frame_size = netdev->mtu + ETH_HLEN + ETH_FCS_LEN;
+	hw->max_frame_size = netdev->mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN;
 	hw->min_frame_size = ETH_ZLEN + ETH_FCS_LEN;
 
 	adapter->wol = 0;
@@ -744,8 +744,8 @@ static u32 atl1_configure(struct atl1_adapter *adapter)
 	/* set Interrupt Clear Timer */
 	iowrite16(adapter->ict, hw->hw_addr + REG_CMBDISDMA_TIMER);
 
-	/* set MTU, 4 : VLAN */
-	iowrite32(hw->max_frame_size + 4, hw->hw_addr + REG_MTU);
+	/* set MTU size */
+	iowrite32(hw->max_frame_size, hw->hw_addr + REG_MTU);
 
 	/* jumbo size & rrd retirement timer */
 	value = (((u32) hw->rx_jumbo_th & RXQ_JMBOSZ_TH_MASK)
-- 
1.5.3.3

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