From: Stephen Hemminger <shemminger@vyatta•com>
To: David Miller <davem@davemloft•net>, Jarek Poplawski <jarkao2@gmail•com>
Cc: netdev@vger•kernel.org
Subject: [PATCH 03/11] skge: fix DMA sync_single length error
Date: Wed, 20 Jan 2010 12:45:02 -0800 [thread overview]
Message-ID: <20100120204558.969768450@vyatta.com> (raw)
In-Reply-To: 20100120204459.820265084@vyatta.com
[-- Attachment #1: skge-dmar-error.patch --]
[-- Type: text/plain, Size: 878 bytes --]
The DMA api requires that the full mapping be sync'd when
copying frame. First found by Jarek on sky2.
Signed-off-by: Stephen Hemminger <shemminger@vyatta•com>
--- a/drivers/net/skge.c 2010-01-20 10:10:29.538786102 -0800
+++ b/drivers/net/skge.c 2010-01-20 10:11:18.443974883 -0800
@@ -3078,11 +3078,13 @@ static struct sk_buff *skge_rx_get(struc
pci_dma_sync_single_for_cpu(skge->hw->pdev,
pci_unmap_addr(e, mapaddr),
- len, PCI_DMA_FROMDEVICE);
+ pci_unmap_len(e, maplen),
+ PCI_DMA_FROMDEVICE);
skb_copy_from_linear_data(e->skb, skb->data, len);
pci_dma_sync_single_for_device(skge->hw->pdev,
pci_unmap_addr(e, mapaddr),
- len, PCI_DMA_FROMDEVICE);
+ pci_unmap_len(e, maplen),
+ PCI_DMA_FROMDEVICE);
skge_rx_reuse(e, skge->rx_buf_size);
} else {
struct sk_buff *nskb;
--
next prev parent reply other threads:[~2010-01-20 21:22 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-20 20:44 [PATCH 00/11] DMA sync errors Stephen Hemminger
2010-01-20 20:45 ` [PATCH 01/11] tg3: fix DMA sync_single length error Stephen Hemminger
2010-01-20 20:45 ` [PATCH 02/11] sky2: " Stephen Hemminger
2010-01-20 21:32 ` Jarek Poplawski
2010-01-20 22:52 ` David Miller
2010-01-20 23:21 ` Jarek Poplawski
2010-01-20 23:34 ` David Miller
2010-01-20 23:41 ` David Miller
2010-01-20 23:59 ` Jarek Poplawski
2010-01-21 0:04 ` Stephen Hemminger
2010-01-21 0:15 ` David Miller
2010-01-20 23:52 ` Jarek Poplawski
2010-01-20 23:56 ` David Miller
2010-01-20 20:45 ` Stephen Hemminger [this message]
2010-01-20 20:45 ` [PATCH 04/11] r8169: " Stephen Hemminger
2010-01-20 20:45 ` [PATCH 05/11] rrunner: " Stephen Hemminger
2010-01-20 20:45 ` [PATCH 06/11] de2104x: " Stephen Hemminger
2010-01-22 1:02 ` Grant Grundler
2010-01-22 1:12 ` Stephen Hemminger
2010-01-20 20:45 ` [PATCH 07/11] sungem: " Stephen Hemminger
2010-01-20 20:45 ` [PATCH 08/11] sunhme: " Stephen Hemminger
2010-01-20 20:45 ` [PATCH 09/11] cassini: " Stephen Hemminger
2010-01-20 20:45 ` [PATCH 10/11] cxgb3: " Stephen Hemminger
2010-01-20 20:45 ` [PATCH 11/11] ipoib: " Stephen Hemminger
2010-01-20 22:46 ` [PATCH 00/11] DMA sync errors David Miller
2010-01-20 23:28 ` Stephen Hemminger
2010-01-21 0:18 ` David Miller
2010-01-21 0:34 ` Stephen Hemminger
2010-01-21 0:36 ` David Miller
2010-01-21 12:44 ` Jarek Poplawski
2010-01-21 13:12 ` David Miller
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20100120204558.969768450@vyatta.com \
--to=shemminger@vyatta$(echo .)com \
--cc=davem@davemloft$(echo .)net \
--cc=jarkao2@gmail$(echo .)com \
--cc=netdev@vger$(echo .)kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox