1/* 2 * Copyright (c) 2004-2008 Voltaire, Inc. All rights reserved. 3 * Copyright (c) 2002-2005 Mellanox Technologies LTD. All rights reserved. 4 * Copyright (c) 1996-2003 Intel Corporation. All rights reserved. 5 * 6 * This software is available to you under a choice of one of two 7 * licenses. You may choose to be licensed under the terms of the GNU 8 * General Public License (GPL) Version 2, available from the file 9 * COPYING in the main directory of this source tree, or the 10 * OpenIB.org BSD license below: 11 * 12 * Redistribution and use in source and binary forms, with or 13 * without modification, are permitted provided that the following 14 * conditions are met: 15 * 16 * - Redistributions of source code must retain the above 17 * copyright notice, this list of conditions and the following 18 * disclaimer. 19 * 20 * - Redistributions in binary form must reproduce the above 21 * copyright notice, this list of conditions and the following 22 * disclaimer in the documentation and/or other materials 23 * provided with the distribution. 24 * 25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 32 * SOFTWARE. 33 * 34 */ 35 36/* 37 * Abstract: 38 * Implementation of osm_resp_t. 39 * This object represents the generic attribute responder. 40 * This object is part of the opensm family of objects. 41 */ 42 43#if HAVE_CONFIG_H 44# include <config.h> 45#endif /* HAVE_CONFIG_H */ 46 47#include <string.h> 48#include <iba/ib_types.h> 49#include <complib/cl_debug.h> 50#include <opensm/osm_madw.h> 51#include <opensm/osm_attrib_req.h> 52#include <opensm/osm_log.h> 53#include <opensm/osm_helper.h> 54#include <opensm/osm_mad_pool.h> 55#include <opensm/osm_vl15intf.h> 56#include <opensm/osm_msgdef.h> 57#include <opensm/osm_opensm.h> 58 59/********************************************************************** 60 **********************************************************************/ 61static void 62osm_resp_make_resp_smp(IN osm_sm_t * sm, 63 IN const ib_smp_t * const p_src_smp, 64 IN const ib_net16_t status, 65 IN const uint8_t * const p_payload, 66 OUT ib_smp_t * const p_dest_smp) 67{ 68 OSM_LOG_ENTER(sm->p_log); 69 70 CL_ASSERT(p_dest_smp); 71 CL_ASSERT(p_src_smp); 72 CL_ASSERT(!ib_smp_is_response(p_src_smp)); 73 74 *p_dest_smp = *p_src_smp; 75 if (p_src_smp->method == IB_MAD_METHOD_GET || 76 p_src_smp->method == IB_MAD_METHOD_SET) { 77 p_dest_smp->method = IB_MAD_METHOD_GET_RESP; 78 p_dest_smp->status = status; 79 } else if (p_src_smp->method == IB_MAD_METHOD_TRAP) { 80 p_dest_smp->method = IB_MAD_METHOD_TRAP_REPRESS; 81 p_dest_smp->status = 0; 82 } else { 83 OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 1302: " 84 "src smp method unsupported 0x%X\n", p_src_smp->method); 85 goto Exit; 86 } 87 88 if (p_src_smp->mgmt_class == IB_MCLASS_SUBN_DIR) 89 p_dest_smp->status |= IB_SMP_DIRECTION; 90 91 p_dest_smp->dr_dlid = p_dest_smp->dr_slid; 92 p_dest_smp->dr_slid = p_dest_smp->dr_dlid; 93 memcpy(&p_dest_smp->data, p_payload, IB_SMP_DATA_SIZE); 94 95Exit: 96 OSM_LOG_EXIT(sm->p_log); 97} 98 99/********************************************************************** 100 **********************************************************************/ 101ib_api_status_t 102osm_resp_send(IN osm_sm_t * sm, 103 IN const osm_madw_t * const p_req_madw, 104 IN const ib_net16_t mad_status, 105 IN const uint8_t * const p_payload) 106{ 107 const ib_smp_t *p_req_smp; 108 ib_smp_t *p_smp; 109 osm_madw_t *p_madw; 110 ib_api_status_t status = IB_SUCCESS; 111 112 OSM_LOG_ENTER(sm->p_log); 113 114 CL_ASSERT(p_req_madw); 115 CL_ASSERT(p_payload); 116 117 /* do nothing if we are exiting ... */ 118 if (osm_exit_flag) 119 goto Exit; 120 121 p_madw = osm_mad_pool_get(sm->p_mad_pool, 122 osm_madw_get_bind_handle(p_req_madw), 123 MAD_BLOCK_SIZE, NULL); 124 125 if (p_madw == NULL) { 126 OSM_LOG(sm->p_log, OSM_LOG_ERROR, 127 "ERR 1301: Unable to acquire MAD\n"); 128 status = IB_INSUFFICIENT_RESOURCES; 129 goto Exit; 130 } 131 132 /* 133 Copy the request smp to the response smp, then just 134 update the necessary fields. 135 */ 136 p_smp = osm_madw_get_smp_ptr(p_madw); 137 p_req_smp = osm_madw_get_smp_ptr(p_req_madw); 138 osm_resp_make_resp_smp(sm, p_req_smp, mad_status, p_payload, p_smp); 139 p_madw->mad_addr.dest_lid = 140 p_req_madw->mad_addr.addr_type.smi.source_lid; 141 p_madw->mad_addr.addr_type.smi.source_lid = 142 p_req_madw->mad_addr.dest_lid; 143 144 p_madw->resp_expected = FALSE; 145 p_madw->fail_msg = CL_DISP_MSGID_NONE; 146 147 OSM_LOG(sm->p_log, OSM_LOG_DEBUG, "Responding to %s (0x%X)" 148 "\n\t\t\t\tattribute modifier 0x%X, TID 0x%" PRIx64 "\n", 149 ib_get_sm_attr_str(p_smp->attr_id), cl_ntoh16(p_smp->attr_id), 150 cl_ntoh32(p_smp->attr_mod), cl_ntoh64(p_smp->trans_id)); 151 152 osm_vl15_post(sm->p_vl15, p_madw); 153 154Exit: 155 OSM_LOG_EXIT(sm->p_log); 156 return (status); 157} 158