xref: /illumos-gate/usr/src/uts/common/io/ib/clients/rds/rdsib.conf (revision fbd1c0dae6f4a2ccc2ce0527c7f19d3dd5ea90b8)
1#
2# CDDL HEADER START
3#
4# The contents of this file are subject to the terms of the
5# Common Development and Distribution License (the "License").
6# You may not use this file except in compliance with the License.
7#
8# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9# or http://www.opensolaris.org/os/licensing.
10# See the License for the specific language governing permissions
11# and limitations under the License.
12#
13# When distributing Covered Code, include this CDDL HEADER in each
14# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15# If applicable, add the following below this CDDL HEADER, with the
16# fields enclosed by brackets "[]" replaced with your own identifying
17# information: Portions Copyright [yyyy] [name of copyright owner]
18#
19# CDDL HEADER END
20#
21#
22# Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
23# Use is subject to license terms.
24#
25#ident	"%Z%%M%	%I%	%E% SMI"
26#
27name="rdsib" parent="ib" unit-address="0";
28
29# RDS Configuration Parameters/Values
30
31# The packet size to use to transfer data. This is also the size of the SGL
32# buffer in a send/recv WR. Large messages are transmitted as multiple packets.
33# One WR carries one packet. Setting this value too high would result in
34# un-unecessary wastage of memory.
35#
36# Values is in bytes
37#UserBufferSize=4096;
38
39# This is the maximum amount of memory that RDS can use for Rx buffers.
40# This should be set based on the number of nodes in the configuration,
41# assuming that this node would receive packets from all other nodes.
42# This memory does not include the memory used for Tx buffers and control
43# buffers.
44#
45# Values is in KB
46#MaxRecvMemory=96000;
47
48# The Max number of outstanding data send buffers per session.
49#MaxDataSendBuffers=2000;
50
51# The Max number of outstanding data recv buffers per session.
52#MaxDataRecvBuffers=3000;
53
54# The Max number of outstanding control send buffers per session.
55#MaxCtrlSendBuffers=50;
56
57# The Max number of outstanding control recv buffers per session.
58#MaxCtrlRecvBuffers=100;
59
60# The Low Water Mark for Data RQ (Receive Work Queue). An event will be
61# triggered to post more Receive WRs in the RQ when this limit is reached.
62#
63# Value is a percentage (1 - 99)
64#DataRecvBufferLWM=90;
65
66# The Low Water Mark for CTRL RQ (Receive Work Queue). An event will be
67# triggered to post more Receive WRs in the RQ when this limit is reached.
68#
69# Value is a percentage (1 - 99)
70#CtrlRecvBufferLWM=50;
71
72# The percentage of Rx pkts that can be outstanding on the socket queues before
73# the sockets are stalled. This is a percentage of the MaxReceMemory.
74#
75# Value is a percentage (1 - 99)
76#PendingRxPktsHWM=75;
77
78# The number of times a WR should retried before failing if there is no WR
79# in the RQ.
80#
81# Value is a number (0 - 7), 7 means Infinite.
82#MinRnrRetry=7;
83
84# The number of times a pkt is retried by HCA before returning a Local
85# Transport Retry Error.
86#
87# Value is a number (0 - 7)
88#IBPathRetryCount=7;
89
90# IB Packet Life Time. This overrides the value set by the SM.
91#
92# Value in IB time
93#IBPktLifeTime=0;
94
95# Amount of debug information to be printed.
96# 0 - no debugging
97# 1 - Serious/System errors
98# 2 - Failures
99# 3 - Important information messages
100# 4 - Function call tracing
101# 5 - All debug messages
102#
103# Value is a number (0 - 5)
104#rdsdbglvl=2;
105