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) 2013 Oracle and/or its affiliates. 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_mftr_rcv_t. 40 * This object represents the MulticastForwardingTable 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_debug.h> 51 #include <complib/cl_qlist.h> 52 #include <opensm/osm_file_ids.h> 53 #define FILE_ID OSM_FILE_SA_MFT_RECORD_C 54 #include <vendor/osm_vendor_api.h> 55 #include <opensm/osm_switch.h> 56 #include <opensm/osm_helper.h> 57 #include <opensm/osm_pkey.h> 58 #include <opensm/osm_sa.h> 59 60 #define SA_MFTR_RESP_SIZE SA_ITEM_RESP_SIZE(mft_rec) 61 62 typedef struct osm_mftr_search_ctxt { 63 const ib_mft_record_t *p_rcvd_rec; 64 ib_net64_t comp_mask; 65 cl_qlist_t *p_list; 66 osm_sa_t *sa; 67 const osm_physp_t *p_req_physp; 68 } osm_mftr_search_ctxt_t; 69 70 static ib_api_status_t mftr_rcv_new_mftr(IN osm_sa_t * sa, 71 IN osm_switch_t * p_sw, 72 IN cl_qlist_t * p_list, 73 IN ib_net16_t lid, IN uint16_t block, 74 IN uint8_t position) 75 { 76 osm_sa_item_t *p_rec_item; 77 ib_api_status_t status = IB_SUCCESS; 78 uint16_t position_block_num; 79 80 OSM_LOG_ENTER(sa->p_log); 81 82 p_rec_item = malloc(SA_MFTR_RESP_SIZE); 83 if (p_rec_item == NULL) { 84 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 4A02: " 85 "rec_item alloc failed\n"); 86 status = IB_INSUFFICIENT_RESOURCES; 87 goto Exit; 88 } 89 90 OSM_LOG(sa->p_log, OSM_LOG_DEBUG, 91 "New MulticastForwardingTable: sw 0x%016" PRIx64 92 "\n\t\t\t\tblock %u position %u lid %u\n", 93 cl_ntoh64(osm_node_get_node_guid(p_sw->p_node)), 94 block, position, cl_ntoh16(lid)); 95 96 position_block_num = ((uint16_t) position << 12) | 97 (block & IB_MCAST_BLOCK_ID_MASK_HO); 98 99 memset(p_rec_item, 0, SA_MFTR_RESP_SIZE); 100 101 p_rec_item->resp.mft_rec.lid = lid; 102 p_rec_item->resp.mft_rec.position_block_num = cl_hton16(position_block_num); 103 104 /* copy the mft block */ 105 osm_switch_get_mft_block(p_sw, block, position, p_rec_item->resp.mft_rec.mft); 106 107 cl_qlist_insert_tail(p_list, &p_rec_item->list_item); 108 109 Exit: 110 OSM_LOG_EXIT(sa->p_log); 111 return status; 112 } 113 114 static void mftr_rcv_by_comp_mask(IN cl_map_item_t * p_map_item, IN void *cxt) 115 { 116 const osm_mftr_search_ctxt_t *p_ctxt = cxt; 117 osm_switch_t *p_sw = (osm_switch_t *) p_map_item; 118 const ib_mft_record_t *const p_rcvd_rec = p_ctxt->p_rcvd_rec; 119 osm_sa_t *sa = p_ctxt->sa; 120 ib_net64_t const comp_mask = p_ctxt->comp_mask; 121 const osm_physp_t *const p_req_physp = p_ctxt->p_req_physp; 122 osm_port_t *p_port; 123 uint16_t min_lid_ho, max_lid_ho; 124 uint16_t position_block_num_ho; 125 uint16_t min_block, max_block, block; 126 const osm_physp_t *p_physp; 127 uint8_t min_position, max_position, position; 128 129 /* In switches, the port guid is the node guid. */ 130 p_port = 131 osm_get_port_by_guid(sa->p_subn, p_sw->p_node->node_info.port_guid); 132 if (!p_port) { 133 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 4A05: " 134 "Failed to find Port by Node Guid:0x%016" PRIx64 135 "\n", cl_ntoh64(p_sw->p_node->node_info.node_guid)); 136 return; 137 } 138 139 /* check that the requester physp and the current physp are under 140 the same partition. */ 141 p_physp = p_port->p_physp; 142 if (!p_physp) { 143 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 4A06: " 144 "Failed to find default physical Port by Node Guid:0x%016" 145 PRIx64 "\n", 146 cl_ntoh64(p_sw->p_node->node_info.node_guid)); 147 return; 148 } 149 if (!osm_physp_share_pkey(sa->p_log, p_req_physp, p_physp, 150 sa->p_subn->opt.allow_both_pkeys)) 151 return; 152 153 /* get the port 0 of the switch */ 154 osm_port_get_lid_range_ho(p_port, &min_lid_ho, &max_lid_ho); 155 156 /* compare the lids - if required */ 157 if (comp_mask & IB_MFTR_COMPMASK_LID) { 158 OSM_LOG(sa->p_log, OSM_LOG_DEBUG, 159 "Comparing lid:%u to port lid range: %u .. %u\n", 160 cl_ntoh16(p_rcvd_rec->lid), min_lid_ho, max_lid_ho); 161 /* ok we are ready for range check */ 162 if (min_lid_ho > cl_ntoh16(p_rcvd_rec->lid) || 163 max_lid_ho < cl_ntoh16(p_rcvd_rec->lid)) 164 return; 165 } 166 167 if (!osm_switch_supports_mcast(p_sw)) 168 return; 169 170 /* Are there any blocks in use ? */ 171 if (osm_switch_get_mft_max_block_in_use(p_sw) == -1) 172 return; 173 174 position_block_num_ho = cl_ntoh16(p_rcvd_rec->position_block_num); 175 176 /* now we need to decide which blocks to output */ 177 if (comp_mask & IB_MFTR_COMPMASK_BLOCK) { 178 max_block = min_block = 179 position_block_num_ho & IB_MCAST_BLOCK_ID_MASK_HO; 180 if (max_block > osm_switch_get_mft_max_block_in_use(p_sw)) 181 return; 182 } else { 183 /* use as many blocks as needed */ 184 min_block = 0; 185 max_block = osm_switch_get_mft_max_block_in_use(p_sw); 186 } 187 188 /* need to decide which positions to output */ 189 if (comp_mask & IB_MFTR_COMPMASK_POSITION) { 190 min_position = max_position = 191 (position_block_num_ho & 0xF000) >> 12; 192 if (max_position > osm_switch_get_mft_max_position(p_sw)) 193 return; 194 } else { 195 /* use as many positions as needed */ 196 min_position = 0; 197 max_position = osm_switch_get_mft_max_position(p_sw); 198 } 199 200 /* so we can add these one by one ... */ 201 for (block = min_block; block <= max_block; block++) 202 for (position = min_position; position <= max_position; 203 position++) 204 mftr_rcv_new_mftr(sa, p_sw, p_ctxt->p_list, 205 osm_port_get_base_lid(p_port), block, 206 position); 207 } 208 209 void osm_mftr_rcv_process(IN void *ctx, IN void *data) 210 { 211 osm_sa_t *sa = ctx; 212 osm_madw_t *p_madw = data; 213 const ib_sa_mad_t *p_rcvd_mad; 214 const ib_mft_record_t *p_rcvd_rec; 215 cl_qlist_t rec_list; 216 osm_mftr_search_ctxt_t context; 217 osm_physp_t *p_req_physp; 218 219 CL_ASSERT(sa); 220 221 OSM_LOG_ENTER(sa->p_log); 222 223 CL_ASSERT(p_madw); 224 225 p_rcvd_mad = osm_madw_get_sa_mad_ptr(p_madw); 226 p_rcvd_rec = (ib_mft_record_t *) ib_sa_mad_get_payload_ptr(p_rcvd_mad); 227 228 CL_ASSERT(p_rcvd_mad->attr_id == IB_MAD_ATTR_MFT_RECORD); 229 230 /* we only support SubnAdmGet and SubnAdmGetTable methods */ 231 if (p_rcvd_mad->method != IB_MAD_METHOD_GET && 232 p_rcvd_mad->method != IB_MAD_METHOD_GETTABLE) { 233 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 4A08: " 234 "Unsupported Method (%s) for MFTRecord request\n", 235 ib_get_sa_method_str(p_rcvd_mad->method)); 236 osm_sa_send_error(sa, p_madw, IB_MAD_STATUS_UNSUP_METHOD_ATTR); 237 goto Exit; 238 } 239 240 cl_plock_acquire(sa->p_lock); 241 242 /* update the requester physical port */ 243 p_req_physp = osm_get_physp_by_mad_addr(sa->p_log, sa->p_subn, 244 osm_madw_get_mad_addr_ptr 245 (p_madw)); 246 if (p_req_physp == NULL) { 247 cl_plock_release(sa->p_lock); 248 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 4A07: " 249 "Cannot find requester physical port\n"); 250 goto Exit; 251 } 252 OSM_LOG(sa->p_log, OSM_LOG_DEBUG, 253 "Requester port GUID 0x%" PRIx64 "\n", 254 cl_ntoh64(osm_physp_get_port_guid(p_req_physp))); 255 256 cl_qlist_init(&rec_list); 257 258 context.p_rcvd_rec = p_rcvd_rec; 259 context.p_list = &rec_list; 260 context.comp_mask = p_rcvd_mad->comp_mask; 261 context.sa = sa; 262 context.p_req_physp = p_req_physp; 263 264 /* Go over all switches */ 265 cl_qmap_apply_func(&sa->p_subn->sw_guid_tbl, mftr_rcv_by_comp_mask, 266 &context); 267 268 cl_plock_release(sa->p_lock); 269 270 osm_sa_respond(sa, p_madw, sizeof(ib_mft_record_t), &rec_list); 271 272 Exit: 273 OSM_LOG_EXIT(sa->p_log); 274 } 275