1219820Sjeff/* 2219820Sjeff * Copyright (c) 2004-2008 Voltaire, Inc. All rights reserved. 3219820Sjeff * Copyright (c) 2002-2005 Mellanox Technologies LTD. All rights reserved. 4219820Sjeff * Copyright (c) 1996-2003 Intel Corporation. All rights reserved. 5219820Sjeff * 6219820Sjeff * This software is available to you under a choice of one of two 7219820Sjeff * licenses. You may choose to be licensed under the terms of the GNU 8219820Sjeff * General Public License (GPL) Version 2, available from the file 9219820Sjeff * COPYING in the main directory of this source tree, or the 10219820Sjeff * OpenIB.org BSD license below: 11219820Sjeff * 12219820Sjeff * Redistribution and use in source and binary forms, with or 13219820Sjeff * without modification, are permitted provided that the following 14219820Sjeff * conditions are met: 15219820Sjeff * 16219820Sjeff * - Redistributions of source code must retain the above 17219820Sjeff * copyright notice, this list of conditions and the following 18219820Sjeff * disclaimer. 19219820Sjeff * 20219820Sjeff * - Redistributions in binary form must reproduce the above 21219820Sjeff * copyright notice, this list of conditions and the following 22219820Sjeff * disclaimer in the documentation and/or other materials 23219820Sjeff * provided with the distribution. 24219820Sjeff * 25219820Sjeff * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 26219820Sjeff * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 27219820Sjeff * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 28219820Sjeff * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 29219820Sjeff * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 30219820Sjeff * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 31219820Sjeff * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 32219820Sjeff * SOFTWARE. 33219820Sjeff * 34219820Sjeff */ 35219820Sjeff 36219820Sjeff/* 37219820Sjeff * Abstract: 38219820Sjeff * Implementation of osm_mftr_rcv_t. 39219820Sjeff * This object represents the MulticastForwardingTable Receiver object. 40219820Sjeff * This object is part of the opensm family of objects. 41219820Sjeff */ 42219820Sjeff 43219820Sjeff#if HAVE_CONFIG_H 44219820Sjeff# include <config.h> 45219820Sjeff#endif /* HAVE_CONFIG_H */ 46219820Sjeff 47219820Sjeff#include <string.h> 48219820Sjeff#include <iba/ib_types.h> 49219820Sjeff#include <complib/cl_debug.h> 50219820Sjeff#include <complib/cl_qlist.h> 51219820Sjeff#include <vendor/osm_vendor_api.h> 52219820Sjeff#include <opensm/osm_switch.h> 53219820Sjeff#include <opensm/osm_helper.h> 54219820Sjeff#include <opensm/osm_pkey.h> 55219820Sjeff#include <opensm/osm_sa.h> 56219820Sjeff 57219820Sjefftypedef struct osm_mftr_item { 58219820Sjeff cl_list_item_t list_item; 59219820Sjeff ib_mft_record_t rec; 60219820Sjeff} osm_mftr_item_t; 61219820Sjeff 62219820Sjefftypedef struct osm_mftr_search_ctxt { 63219820Sjeff const ib_mft_record_t *p_rcvd_rec; 64219820Sjeff ib_net64_t comp_mask; 65219820Sjeff cl_qlist_t *p_list; 66219820Sjeff osm_sa_t *sa; 67219820Sjeff const osm_physp_t *p_req_physp; 68219820Sjeff} osm_mftr_search_ctxt_t; 69219820Sjeff 70219820Sjeff/********************************************************************** 71219820Sjeff **********************************************************************/ 72219820Sjeffstatic ib_api_status_t 73219820Sjeff__osm_mftr_rcv_new_mftr(IN osm_sa_t * sa, 74219820Sjeff IN osm_switch_t * const p_sw, 75219820Sjeff IN cl_qlist_t * const p_list, 76219820Sjeff IN ib_net16_t const lid, 77219820Sjeff IN uint16_t const block, IN uint8_t const position) 78219820Sjeff{ 79219820Sjeff osm_mftr_item_t *p_rec_item; 80219820Sjeff ib_api_status_t status = IB_SUCCESS; 81219820Sjeff uint16_t position_block_num; 82219820Sjeff 83219820Sjeff OSM_LOG_ENTER(sa->p_log); 84219820Sjeff 85219820Sjeff p_rec_item = malloc(sizeof(*p_rec_item)); 86219820Sjeff if (p_rec_item == NULL) { 87219820Sjeff OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 4A02: " 88219820Sjeff "rec_item alloc failed\n"); 89219820Sjeff status = IB_INSUFFICIENT_RESOURCES; 90219820Sjeff goto Exit; 91219820Sjeff } 92219820Sjeff 93219820Sjeff OSM_LOG(sa->p_log, OSM_LOG_DEBUG, 94219820Sjeff "New MulticastForwardingTable: sw 0x%016" PRIx64 95219820Sjeff "\n\t\t\t\tblock %u position %u lid %u\n", 96219820Sjeff cl_ntoh64(osm_node_get_node_guid(p_sw->p_node)), 97219820Sjeff block, position, cl_ntoh16(lid)); 98219820Sjeff 99219820Sjeff position_block_num = ((uint16_t) position << 12) | 100219820Sjeff (block & IB_MCAST_BLOCK_ID_MASK_HO); 101219820Sjeff 102219820Sjeff memset(p_rec_item, 0, sizeof(*p_rec_item)); 103219820Sjeff 104219820Sjeff p_rec_item->rec.lid = lid; 105219820Sjeff p_rec_item->rec.position_block_num = cl_hton16(position_block_num); 106219820Sjeff 107219820Sjeff /* copy the mft block */ 108219820Sjeff osm_switch_get_mft_block(p_sw, block, position, p_rec_item->rec.mft); 109219820Sjeff 110219820Sjeff cl_qlist_insert_tail(p_list, &p_rec_item->list_item); 111219820Sjeff 112219820SjeffExit: 113219820Sjeff OSM_LOG_EXIT(sa->p_log); 114219820Sjeff return (status); 115219820Sjeff} 116219820Sjeff 117219820Sjeff/********************************************************************** 118219820Sjeff **********************************************************************/ 119219820Sjeffstatic void 120219820Sjeff__osm_mftr_rcv_by_comp_mask(IN cl_map_item_t * const p_map_item, 121219820Sjeff IN void *context) 122219820Sjeff{ 123219820Sjeff const osm_mftr_search_ctxt_t *const p_ctxt = 124219820Sjeff (osm_mftr_search_ctxt_t *) context; 125219820Sjeff osm_switch_t *const p_sw = (osm_switch_t *) p_map_item; 126219820Sjeff const ib_mft_record_t *const p_rcvd_rec = p_ctxt->p_rcvd_rec; 127219820Sjeff osm_sa_t *sa = p_ctxt->sa; 128219820Sjeff ib_net64_t const comp_mask = p_ctxt->comp_mask; 129219820Sjeff const osm_physp_t *const p_req_physp = p_ctxt->p_req_physp; 130219820Sjeff osm_port_t *p_port; 131219820Sjeff uint16_t min_lid_ho, max_lid_ho; 132219820Sjeff uint16_t position_block_num_ho; 133219820Sjeff uint16_t min_block, max_block, block; 134219820Sjeff const osm_physp_t *p_physp; 135219820Sjeff uint8_t min_position, max_position, position; 136219820Sjeff 137219820Sjeff /* In switches, the port guid is the node guid. */ 138219820Sjeff p_port = 139219820Sjeff osm_get_port_by_guid(sa->p_subn, p_sw->p_node->node_info.port_guid); 140219820Sjeff if (!p_port) { 141219820Sjeff OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 4A05: " 142219820Sjeff "Failed to find Port by Node Guid:0x%016" PRIx64 143219820Sjeff "\n", cl_ntoh64(p_sw->p_node->node_info.node_guid)); 144219820Sjeff return; 145219820Sjeff } 146219820Sjeff 147219820Sjeff /* check that the requester physp and the current physp are under 148219820Sjeff the same partition. */ 149219820Sjeff p_physp = p_port->p_physp; 150219820Sjeff if (!p_physp) { 151219820Sjeff OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 4A06: " 152219820Sjeff "Failed to find default physical Port by Node Guid:0x%016" 153219820Sjeff PRIx64 "\n", 154219820Sjeff cl_ntoh64(p_sw->p_node->node_info.node_guid)); 155219820Sjeff return; 156219820Sjeff } 157219820Sjeff if (!osm_physp_share_pkey(sa->p_log, p_req_physp, p_physp)) 158219820Sjeff return; 159219820Sjeff 160219820Sjeff /* get the port 0 of the switch */ 161219820Sjeff osm_port_get_lid_range_ho(p_port, &min_lid_ho, &max_lid_ho); 162219820Sjeff 163219820Sjeff /* compare the lids - if required */ 164219820Sjeff if (comp_mask & IB_MFTR_COMPMASK_LID) { 165219820Sjeff OSM_LOG(sa->p_log, OSM_LOG_DEBUG, 166219820Sjeff "Comparing lid:%u to port lid range: %u .. %u\n", 167219820Sjeff cl_ntoh16(p_rcvd_rec->lid), min_lid_ho, max_lid_ho); 168219820Sjeff /* ok we are ready for range check */ 169219820Sjeff if (min_lid_ho > cl_ntoh16(p_rcvd_rec->lid) || 170219820Sjeff max_lid_ho < cl_ntoh16(p_rcvd_rec->lid)) 171219820Sjeff return; 172219820Sjeff } 173219820Sjeff 174219820Sjeff if (!osm_switch_supports_mcast(p_sw)) 175219820Sjeff return; 176219820Sjeff 177219820Sjeff /* Are there any blocks in use ? */ 178219820Sjeff if (osm_switch_get_mft_max_block_in_use(p_sw) == -1) 179219820Sjeff return; 180219820Sjeff 181219820Sjeff position_block_num_ho = cl_ntoh16(p_rcvd_rec->position_block_num); 182219820Sjeff 183219820Sjeff /* now we need to decide which blocks to output */ 184219820Sjeff if (comp_mask & IB_MFTR_COMPMASK_BLOCK) { 185219820Sjeff max_block = min_block = 186219820Sjeff position_block_num_ho & IB_MCAST_BLOCK_ID_MASK_HO; 187219820Sjeff if (max_block > osm_switch_get_mft_max_block_in_use(p_sw)) 188219820Sjeff return; 189219820Sjeff } else { 190219820Sjeff /* use as many blocks as needed */ 191219820Sjeff min_block = 0; 192219820Sjeff max_block = osm_switch_get_mft_max_block_in_use(p_sw); 193219820Sjeff } 194219820Sjeff 195219820Sjeff /* need to decide which positions to output */ 196219820Sjeff if (comp_mask & IB_MFTR_COMPMASK_POSITION) { 197219820Sjeff min_position = max_position = 198219820Sjeff (position_block_num_ho & 0xF000) >> 12; 199219820Sjeff if (max_position > osm_switch_get_mft_max_position(p_sw)) 200219820Sjeff return; 201219820Sjeff } else { 202219820Sjeff /* use as many positions as needed */ 203219820Sjeff min_position = 0; 204219820Sjeff max_position = osm_switch_get_mft_max_position(p_sw); 205219820Sjeff } 206219820Sjeff 207219820Sjeff /* so we can add these one by one ... */ 208219820Sjeff for (block = min_block; block <= max_block; block++) 209219820Sjeff for (position = min_position; position <= max_position; 210219820Sjeff position++) 211219820Sjeff __osm_mftr_rcv_new_mftr(sa, p_sw, p_ctxt->p_list, 212219820Sjeff osm_port_get_base_lid(p_port), 213219820Sjeff block, position); 214219820Sjeff} 215219820Sjeff 216219820Sjeff/********************************************************************** 217219820Sjeff **********************************************************************/ 218219820Sjeffvoid osm_mftr_rcv_process(IN void *ctx, IN void *data) 219219820Sjeff{ 220219820Sjeff osm_sa_t *sa = ctx; 221219820Sjeff osm_madw_t *p_madw = data; 222219820Sjeff const ib_sa_mad_t *p_rcvd_mad; 223219820Sjeff const ib_mft_record_t *p_rcvd_rec; 224219820Sjeff cl_qlist_t rec_list; 225219820Sjeff osm_mftr_search_ctxt_t context; 226219820Sjeff osm_physp_t *p_req_physp; 227219820Sjeff 228219820Sjeff CL_ASSERT(sa); 229219820Sjeff 230219820Sjeff OSM_LOG_ENTER(sa->p_log); 231219820Sjeff 232219820Sjeff CL_ASSERT(p_madw); 233219820Sjeff 234219820Sjeff p_rcvd_mad = osm_madw_get_sa_mad_ptr(p_madw); 235219820Sjeff p_rcvd_rec = (ib_mft_record_t *) ib_sa_mad_get_payload_ptr(p_rcvd_mad); 236219820Sjeff 237219820Sjeff CL_ASSERT(p_rcvd_mad->attr_id == IB_MAD_ATTR_MFT_RECORD); 238219820Sjeff 239219820Sjeff /* we only support SubnAdmGet and SubnAdmGetTable methods */ 240219820Sjeff if (p_rcvd_mad->method != IB_MAD_METHOD_GET && 241219820Sjeff p_rcvd_mad->method != IB_MAD_METHOD_GETTABLE) { 242219820Sjeff OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 4A08: " 243219820Sjeff "Unsupported Method (%s)\n", 244219820Sjeff ib_get_sa_method_str(p_rcvd_mad->method)); 245219820Sjeff osm_sa_send_error(sa, p_madw, IB_MAD_STATUS_UNSUP_METHOD_ATTR); 246219820Sjeff goto Exit; 247219820Sjeff } 248219820Sjeff 249219820Sjeff /* update the requester physical port. */ 250219820Sjeff p_req_physp = osm_get_physp_by_mad_addr(sa->p_log, 251219820Sjeff sa->p_subn, 252219820Sjeff osm_madw_get_mad_addr_ptr 253219820Sjeff (p_madw)); 254219820Sjeff if (p_req_physp == NULL) { 255219820Sjeff OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 4A07: " 256219820Sjeff "Cannot find requester physical port\n"); 257219820Sjeff goto Exit; 258219820Sjeff } 259219820Sjeff 260219820Sjeff cl_qlist_init(&rec_list); 261219820Sjeff 262219820Sjeff context.p_rcvd_rec = p_rcvd_rec; 263219820Sjeff context.p_list = &rec_list; 264219820Sjeff context.comp_mask = p_rcvd_mad->comp_mask; 265219820Sjeff context.sa = sa; 266219820Sjeff context.p_req_physp = p_req_physp; 267219820Sjeff 268219820Sjeff cl_plock_acquire(sa->p_lock); 269219820Sjeff 270219820Sjeff /* Go over all switches */ 271219820Sjeff cl_qmap_apply_func(&sa->p_subn->sw_guid_tbl, 272219820Sjeff __osm_mftr_rcv_by_comp_mask, &context); 273219820Sjeff 274219820Sjeff cl_plock_release(sa->p_lock); 275219820Sjeff 276219820Sjeff osm_sa_respond(sa, p_madw, sizeof(ib_mft_record_t), &rec_list); 277219820Sjeff 278219820SjeffExit: 279219820Sjeff OSM_LOG_EXIT(sa->p_log); 280219820Sjeff} 281