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authorJames Morris <jmorris@namei.org>2009-03-24 10:52:46 +1100
committerJames Morris <jmorris@namei.org>2009-03-24 10:52:46 +1100
commit703a3cd72817e99201cef84a8a7aecc60b2b3581 (patch)
tree3e943755178ff410694722bb031f523136fbc432 /Documentation/scsi/cxgb3i.txt
parentdf7f54c012b92ec93d56b68547351dcdf8a163d3 (diff)
parent8e0ee43bc2c3e19db56a4adaa9a9b04ce885cd84 (diff)
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Merge branch 'master' into next
Diffstat (limited to 'Documentation/scsi/cxgb3i.txt')
-rw-r--r--Documentation/scsi/cxgb3i.txt11
1 files changed, 5 insertions, 6 deletions
diff --git a/Documentation/scsi/cxgb3i.txt b/Documentation/scsi/cxgb3i.txt
index 8141fa0..7ac8032 100644
--- a/Documentation/scsi/cxgb3i.txt
+++ b/Documentation/scsi/cxgb3i.txt
@@ -4,7 +4,7 @@ Introduction
============
The Chelsio T3 ASIC based Adapters (S310, S320, S302, S304, Mezz cards, etc.
-series of products) supports iSCSI acceleration and iSCSI Direct Data Placement
+series of products) support iSCSI acceleration and iSCSI Direct Data Placement
(DDP) where the hardware handles the expensive byte touching operations, such
as CRC computation and verification, and direct DMA to the final host memory
destination:
@@ -31,9 +31,9 @@ destination:
the TCP segments onto the wire. It handles TCP retransmission if
needed.
- On receving, S3 h/w recovers the iSCSI PDU by reassembling TCP
+ On receiving, S3 h/w recovers the iSCSI PDU by reassembling TCP
segments, separating the header and data, calculating and verifying
- the digests, then forwards the header to the host. The payload data,
+ the digests, then forwarding the header to the host. The payload data,
if possible, will be directly placed into the pre-posted host DDP
buffer. Otherwise, the payload data will be sent to the host too.
@@ -68,9 +68,8 @@ The following steps need to be taken to accelerates the open-iscsi initiator:
sure the ip address is unique in the network.
3. edit /etc/iscsi/iscsid.conf
- The default setting for MaxRecvDataSegmentLength (131072) is too big,
- replace "node.conn[0].iscsi.MaxRecvDataSegmentLength" to be a value no
- bigger than 15360 (for example 8192):
+ The default setting for MaxRecvDataSegmentLength (131072) is too big;
+ replace with a value no bigger than 15360 (for example 8192):
node.conn[0].iscsi.MaxRecvDataSegmentLength = 8192
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