1 /* 2 * Copyright (c) 2004-2009 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 * Copyright (c) 2009 HNR Consulting. All rights reserved. 6 * 7 * This software is available to you under a choice of one of two 8 * licenses. You may choose to be licensed under the terms of the GNU 9 * General Public License (GPL) Version 2, available from the file 10 * COPYING in the main directory of this source tree, or the 11 * OpenIB.org BSD license below: 12 * 13 * Redistribution and use in source and binary forms, with or 14 * without modification, are permitted provided that the following 15 * conditions are met: 16 * 17 * - Redistributions of source code must retain the above 18 * copyright notice, this list of conditions and the following 19 * disclaimer. 20 * 21 * - Redistributions in binary form must reproduce the above 22 * copyright notice, this list of conditions and the following 23 * disclaimer in the documentation and/or other materials 24 * provided with the distribution. 25 * 26 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 27 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 28 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 29 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 30 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 31 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 32 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 33 * SOFTWARE. 34 * 35 */ 36 37 /* 38 * Abstract: 39 * Implementation of osm_slvl_rcv_t. 40 * This object represents the SLtoVL Receiver object. 41 * This object is part of the opensm family of objects. 42 */ 43 44 #if HAVE_CONFIG_H 45 # include <config.h> 46 #endif /* HAVE_CONFIG_H */ 47 48 #include <string.h> 49 #include <iba/ib_types.h> 50 #include <complib/cl_passivelock.h> 51 #include <complib/cl_debug.h> 52 #include <opensm/osm_file_ids.h> 53 #define FILE_ID OSM_FILE_SLVL_MAP_RCV_C 54 #include <opensm/osm_madw.h> 55 #include <opensm/osm_log.h> 56 #include <opensm/osm_node.h> 57 #include <opensm/osm_subnet.h> 58 #include <opensm/osm_helper.h> 59 #include <opensm/osm_sm.h> 60 61 /* 62 * WE ONLY RECEIVE GET or SET responses 63 */ 64 void osm_slvl_rcv_process(IN void *context, IN void *p_data) 65 { 66 osm_sm_t *sm = context; 67 osm_madw_t *p_madw = p_data; 68 ib_slvl_table_t *p_slvl_tbl; 69 ib_smp_t *p_smp; 70 osm_port_t *p_port; 71 osm_physp_t *p_physp; 72 osm_node_t *p_node; 73 osm_slvl_context_t *p_context; 74 ib_net64_t port_guid; 75 ib_net64_t node_guid; 76 uint32_t attr_mod; 77 uint8_t startinport, endinport, startoutport, endoutport; 78 uint8_t in_port, out_port; 79 80 CL_ASSERT(sm); 81 82 OSM_LOG_ENTER(sm->p_log); 83 84 CL_ASSERT(p_madw); 85 86 p_smp = osm_madw_get_smp_ptr(p_madw); 87 p_context = osm_madw_get_slvl_context_ptr(p_madw); 88 p_slvl_tbl = ib_smp_get_payload_ptr(p_smp); 89 90 port_guid = p_context->port_guid; 91 node_guid = p_context->node_guid; 92 93 CL_ASSERT(p_smp->attr_id == IB_MAD_ATTR_SLVL_TABLE); 94 95 if (!sm->p_subn->opt.suppress_sl2vl_mad_status_errors && 96 ib_smp_get_status(p_smp)) { 97 OSM_LOG(sm->p_log, OSM_LOG_DEBUG, 98 "MAD status 0x%x received\n", 99 cl_ntoh16(ib_smp_get_status(p_smp))); 100 goto Exit2; 101 } 102 103 cl_plock_excl_acquire(sm->p_lock); 104 p_port = osm_get_port_by_guid(sm->p_subn, port_guid); 105 106 if (!p_port) { 107 OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 2C06: " 108 "No port object for port with GUID 0x%" PRIx64 109 "\n\t\t\t\tfor parent node GUID 0x%" PRIx64 110 ", TID 0x%" PRIx64 "\n", cl_ntoh64(port_guid), 111 cl_ntoh64(node_guid), cl_ntoh64(p_smp->trans_id)); 112 goto Exit; 113 } 114 115 p_node = p_port->p_node; 116 CL_ASSERT(p_node); 117 118 /* in case of a non switch node the attr modifier should be ignored */ 119 if (osm_node_get_type(p_node) == IB_NODE_TYPE_SWITCH) { 120 unsigned num_ports = osm_node_get_num_physp(p_node) - 1; 121 attr_mod = cl_ntoh32(p_smp->attr_mod); 122 123 if (attr_mod & 0x10000) { 124 startoutport = ib_switch_info_is_enhanced_port0(&p_node->sw->switch_info) ? 0 : 1; 125 endoutport = osm_node_get_num_physp(p_node) - 1; 126 } else 127 startoutport = endoutport = attr_mod & 0xff; 128 129 if (attr_mod & 0x20000) { 130 startinport = ib_switch_info_is_enhanced_port0(&p_node->sw->switch_info) ? 0 : 1; 131 endinport = osm_node_get_num_physp(p_node) - 1; 132 } else 133 startinport = endinport = (attr_mod >> 8) & 0xff; 134 135 if (startinport > num_ports || startoutport > num_ports) { 136 OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 2C07" 137 "Invalid attribute modifier 0x%x received in" 138 " response from switch 0x%" PRIx64 "\n", 139 cl_ntoh32(attr_mod), cl_ntoh64(node_guid)); 140 goto Exit; 141 } 142 143 } else { 144 startoutport = endoutport = p_port->p_physp->port_num; 145 startinport = endinport = 0; 146 } 147 148 OSM_LOG(sm->p_log, OSM_LOG_DEBUG, "Received SLtoVL GetResp" 149 " in_port_num %u out_port_num %u with GUID 0x%" PRIx64 150 " for parent node GUID 0x%" PRIx64 ", TID 0x%" PRIx64 "\n", 151 startinport == endinport ? startinport : 0xff, 152 startoutport == endoutport ? startoutport : 0xff, 153 cl_ntoh64(port_guid), cl_ntoh64(node_guid), 154 cl_ntoh64(p_smp->trans_id)); 155 156 osm_dump_slvl_map_table_v2(sm->p_log, port_guid, 157 startinport == endinport ? startinport : 0xff, 158 startoutport == endoutport ? startoutport : 0xff, 159 p_slvl_tbl, FILE_ID, OSM_LOG_DEBUG); 160 161 for (out_port = startoutport; out_port <= endoutport; out_port++) { 162 p_physp = osm_node_get_physp_ptr(p_node, out_port); 163 for (in_port = startinport; in_port <= endinport; in_port++) 164 osm_physp_set_slvl_tbl(p_physp, p_slvl_tbl, in_port); 165 } 166 167 Exit: 168 cl_plock_release(sm->p_lock); 169 170 Exit2: 171 OSM_LOG_EXIT(sm->p_log); 172 } 173