Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history
yaml
---
r: 131909
b: refs/heads/master
c: 802d527
h: refs/heads/master
i:
  131907: 068a31b
v: v3
  • Loading branch information
Karen Xie authored and James Bottomley committed Feb 22, 2009
1 parent 95fbb33 commit 8afaaaa
Show file tree
Hide file tree
Showing 2 changed files with 6 additions and 7 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 992040f54069c96a59343976950f174448f4a351
refs/heads/master: 802d52734adf0f288c49c05ed433872d7559c932
11 changes: 5 additions & 6 deletions trunk/Documentation/scsi/cxgb3i.txt
Original file line number Diff line number Diff line change
Expand Up @@ -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:
Expand All @@ -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.

Expand Down Expand Up @@ -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

Expand Down

0 comments on commit 8afaaaa

Please sign in to comment.