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 (c) 2010, Oracle and/or its affiliates. All rights reserved. 23 */ 24 25 /* 26 * Copyright (c) 2006 Oracle. All rights reserved. 27 * 28 * This software is available to you under a choice of one of two 29 * licenses. You may choose to be licensed under the terms of the GNU 30 * General Public License (GPL) Version 2, available from the file 31 * COPYING in the main directory of this source tree, or the 32 * OpenIB.org BSD license below: 33 * 34 * Redistribution and use in source and binary forms, with or 35 * without modification, are permitted provided that the following 36 * conditions are met: 37 * 38 * - Redistributions of source code must retain the above 39 * copyright notice, this list of conditions and the following 40 * disclaimer. 41 * 42 * - Redistributions in binary form must reproduce the above 43 * copyright notice, this list of conditions and the following 44 * disclaimer in the documentation and/or other materials 45 * provided with the distribution. 46 * 47 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 48 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 49 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 50 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 51 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 52 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 53 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 54 * SOFTWARE. 55 * 56 */ 57 #include <sys/ib/clients/rdsv3/ib.h> 58 59 unsigned long rdsv3_ib_sysctl_max_send_wr = RDSV3_IB_DEFAULT_SEND_WR; 60 unsigned long rdsv3_ib_sysctl_max_recv_wr = RDSV3_IB_DEFAULT_RECV_WR; 61 unsigned long rdsv3_ib_sysctl_max_recv_allocation = 62 (128 * 1024 * 1024) / RDSV3_FRAG_SIZE; 63 /* hardware will fail CQ creation long before this */ 64 65 unsigned long rdsv3_ib_sysctl_max_unsig_wrs = 16; 66 67 unsigned long rdsv3_ib_sysctl_max_unsig_bytes = (16 << 20); 68 69 /* 70 * This sysctl does nothing. 71 * 72 * Backwards compatibility with RDS 3.0 wire protocol 73 * disables initial FC credit exchange. 74 * If it's ever possible to drop 3.0 support, 75 * setting this to 1 and moving init/refill of send/recv 76 * rings from ib_cm_connect_complete() back into ib_setup_qp() 77 * will cause credits to be added before protocol negotiation. 78 */ 79 unsigned int rdsv3_ib_sysctl_flow_control = 0; 80 81 void 82 rdsv3_ib_sysctl_exit(void) 83 { 84 } 85 86 int 87 rdsv3_ib_sysctl_init(void) 88 { 89 return (0); 90 } 91