From: jacliburn@bellsouth.net
To: jeff@garzik.org
Cc: csnook@redhat.com, linux-kernel@vger.kernel.org,
atl1-devel@lists.sourceforge.net,
Jay Cliburn <jacliburn@bellsouth.net>
Subject: [PATCH 10/26] atl1: use csum_start
Date: Mon, 31 Dec 2007 19:59:48 -0600 [thread overview]
Message-ID: <1199152804-3889-11-git-send-email-jacliburn@bellsouth.net> (raw)
In-Reply-To: <1199152804-3889-1-git-send-email-jacliburn@bellsouth.net>
From: Jay Cliburn <jacliburn@bellsouth.net>
Use skb->csum_start for tx checksum offload preparation.
Signed-off-by: Jay Cliburn <jacliburn@bellsouth.net>
---
drivers/net/atlx/atl1.c | 11 ++++++-----
1 files changed, 6 insertions(+), 5 deletions(-)
diff --git a/drivers/net/atlx/atl1.c b/drivers/net/atlx/atl1.c
index b0c3273..31aad9f 100644
--- a/drivers/net/atlx/atl1.c
+++ b/drivers/net/atlx/atl1.c
@@ -1376,16 +1376,17 @@ static int atl1_tx_csum(struct atl1_adapter *adapter, struct sk_buff *skb,
u8 css, cso;
if (likely(skb->ip_summed == CHECKSUM_PARTIAL)) {
- cso = skb_transport_offset(skb);
- css = cso + skb->csum_offset;
- if (unlikely(cso & 0x1)) {
+ css = (u8) (skb->csum_start - skb_headroom(skb));
+ cso = css + (u8) skb->csum_offset;
+ if (unlikely(css & 0x1)) {
+ /* L1 hardware requires an even number here */
dev_printk(KERN_DEBUG, &adapter->pdev->dev,
"payload offset not an even number\n");
return -1;
}
- ptpd->word3 |= (cso & TPD_PLOADOFFSET_MASK) <<
+ ptpd->word3 |= (css & TPD_PLOADOFFSET_MASK) <<
TPD_PLOADOFFSET_SHIFT;
- ptpd->word3 |= (css & TPD_CCSUMOFFSET_MASK) <<
+ ptpd->word3 |= (cso & TPD_CCSUMOFFSET_MASK) <<
TPD_CCSUMOFFSET_SHIFT;
ptpd->word3 |= 1 << TPD_CUST_CSUM_EN_SHIFT;
return true;
--
1.5.3.3
next prev parent reply other threads:[~2008-01-01 2:06 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-01 1:59 [PATCH 00/26] atl1: divide and modernize jacliburn
2008-01-01 1:59 ` [PATCH 01/26] atl1: relocate atl1 driver to /drivers/net/atlx jacliburn
2008-01-01 1:59 ` [PATCH 02/26] atl1: move common functions to atlx files jacliburn
2008-01-01 1:59 ` [PATCH 03/26] atl1: fix broken TSO jacliburn
2008-01-01 1:59 ` [PATCH 04/26] atl1: add ethtool register dump jacliburn
2008-01-22 9:54 ` Jeff Garzik
2008-01-01 1:59 ` [PATCH 05/26] atl1: print debug info if rrd error jacliburn
2008-01-22 9:55 ` Jeff Garzik
2008-01-01 1:59 ` [PATCH 06/26] atl1: update initialization parameters jacliburn
2008-01-22 9:56 ` Jeff Garzik
2008-01-23 2:13 ` Jay Cliburn
2008-01-23 2:19 ` Jeff Garzik
2008-01-23 2:30 ` Chris Snook
2008-01-01 1:59 ` [PATCH 07/26] atl1: clarify max rx frame size jacliburn
2008-01-01 1:59 ` [PATCH 08/26] atl1: additional DMA engine configuration jacliburn
2008-01-01 1:59 ` [PATCH 09/26] atl1: refactor tx processing jacliburn
2008-01-22 9:58 ` Jeff Garzik
2008-01-23 0:31 ` Jay Cliburn
2008-01-25 1:00 ` Jay Cliburn
2008-01-25 1:08 ` Chris Snook
2008-01-25 3:01 ` Jeff Garzik
2008-01-01 1:59 ` jacliburn [this message]
2008-01-01 1:59 ` [PATCH 11/26] atl1: refactor initialization and startup jacliburn
2008-01-01 1:59 ` [PATCH 12/26] atl1: refactor atl1_probe jacliburn
2008-01-01 1:59 ` [PATCH 13/26] atl1: refactor interrupt handling jacliburn
2008-01-22 9:59 ` Jeff Garzik
2008-01-01 1:59 ` [PATCH 14/26] atl1: move stray defines to header file jacliburn
2008-01-01 1:59 ` [PATCH 15/26] atl1: tidy up ring management jacliburn
2008-01-01 1:59 ` [PATCH 16/26] atl1: modernize check link function jacliburn
2008-01-01 1:59 ` [PATCH 17/26] atl1: update phy config function jacliburn
2008-01-01 1:59 ` [PATCH 18/26] atl1: make function static jacliburn
2008-01-01 1:59 ` [PATCH 19/26] atl1: modernize down/up functions jacliburn
2008-01-22 10:01 ` Jeff Garzik
2008-01-01 1:59 ` [PATCH 20/26] atl1: update change mtu jacliburn
2008-01-01 1:59 ` [PATCH 21/26] atl1: update atl1_close jacliburn
2008-01-01 2:00 ` [PATCH 22/26] atl1: update netpoll jacliburn
2008-01-01 2:00 ` [PATCH 23/26] atl1: update shutdown and remove functions jacliburn
2008-01-01 2:00 ` [PATCH 24/26] atl1: update wake-on-lan jacliburn
2008-01-01 2:00 ` [PATCH 25/26] atl1: add NAPI support jacliburn
2008-01-01 6:09 ` Joonwoo Park
2008-01-01 18:15 ` [PATCH 25/26] [REVISED] " Jay Cliburn
2008-01-02 2:56 ` Joonwoo Park
2008-01-02 3:07 ` David Miller
2008-01-01 2:00 ` [PATCH 26/26] atl1: remove experimental tag and clean up comments jacliburn
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