1/* 2 * Copyright (c) 2004-2009 Voltaire, Inc. All rights reserved. 3 * Copyright (c) 2002-2005,2008 Mellanox Technologies LTD. All rights reserved. 4 * Copyright (c) 1996-2003 Intel Corporation. All rights reserved. 5 * Copyright (c) 2009 Sun Microsystems, Inc. All rights reserved. 6 * Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved. 7 * 8 * This software is available to you under a choice of one of two 9 * licenses. You may choose to be licensed under the terms of the GNU 10 * General Public License (GPL) Version 2, available from the file 11 * COPYING in the main directory of this source tree, or the 12 * OpenIB.org BSD license below: 13 * 14 * Redistribution and use in source and binary forms, with or 15 * without modification, are permitted provided that the following 16 * conditions are met: 17 * 18 * - Redistributions of source code must retain the above 19 * copyright notice, this list of conditions and the following 20 * disclaimer. 21 * 22 * - Redistributions in binary form must reproduce the above 23 * copyright notice, this list of conditions and the following 24 * disclaimer in the documentation and/or other materials 25 * provided with the distribution. 26 * 27 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 28 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 29 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 30 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 31 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 32 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 33 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 34 * SOFTWARE. 35 * 36 */ 37 38/* 39 * Abstract: 40 * Implementation of osm_lft_rcv_t. 41 * This object represents the Linear Forwarding Table Receiver object. 42 * This object is part of the opensm family of objects. 43 */ 44 45#if HAVE_CONFIG_H 46# include <config.h> 47#endif /* HAVE_CONFIG_H */ 48 49#include <string.h> 50#include <complib/cl_debug.h> 51#include <opensm/osm_file_ids.h> 52#define FILE_ID OSM_FILE_LIN_FWD_RCV_C 53#include <opensm/osm_switch.h> 54#include <opensm/osm_sm.h> 55#include <opensm/osm_event_plugin.h> 56#include <opensm/osm_opensm.h> 57 58void osm_lft_rcv_process(IN void *context, IN void *data) 59{ 60 osm_sm_t *sm = context; 61 osm_madw_t *p_madw = data; 62 ib_smp_t *p_smp; 63 uint32_t block_num; 64 osm_switch_t *p_sw; 65 osm_lft_context_t *p_lft_context; 66 uint8_t *p_block; 67 ib_net64_t node_guid; 68 osm_epi_lft_change_event_t lft_change; 69 ib_api_status_t status; 70 71 CL_ASSERT(sm); 72 73 OSM_LOG_ENTER(sm->p_log); 74 75 CL_ASSERT(p_madw); 76 77 p_smp = osm_madw_get_smp_ptr(p_madw); 78 p_block = ib_smp_get_payload_ptr(p_smp); 79 block_num = cl_ntoh32(p_smp->attr_mod); 80 81 /* 82 Acquire the switch object for this switch. 83 */ 84 p_lft_context = osm_madw_get_lft_context_ptr(p_madw); 85 node_guid = p_lft_context->node_guid; 86 87 if (ib_smp_get_status(p_smp)) { 88 OSM_LOG(sm->p_log, OSM_LOG_DEBUG, 89 "MAD status 0x%x received\n", 90 cl_ntoh16(ib_smp_get_status(p_smp))); 91 goto Exit; 92 } 93 94 CL_PLOCK_EXCL_ACQUIRE(sm->p_lock); 95 p_sw = osm_get_switch_by_guid(sm->p_subn, node_guid); 96 97 if (!p_sw) { 98 OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 0401: " 99 "LFT received for nonexistent node " 100 "0x%" PRIx64 "\n", cl_ntoh64(node_guid)); 101 } else { 102 status = osm_switch_set_lft_block(p_sw, p_block, block_num); 103 if (status == IB_SUCCESS) { 104 if (sm->p_subn->first_time_master_sweep == FALSE) { 105 lft_change.p_sw = p_sw; 106 lft_change.flags = LFT_CHANGED_BLOCK; 107 lft_change.lft_top = 0; 108 lft_change.block_num = block_num; 109 osm_opensm_report_event(sm->p_subn->p_osm, 110 OSM_EVENT_ID_LFT_CHANGE, 111 &lft_change); 112 } 113 } else { 114 OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 0402: " 115 "Setting forwarding table block %u failed (%s)" 116 ", Switch 0x%" PRIx64 " %s\n", block_num, 117 ib_get_err_str(status), cl_ntoh64(node_guid), 118 p_sw->p_node->print_desc); 119 } 120 } 121 122 CL_PLOCK_RELEASE(sm->p_lock); 123Exit: 124 OSM_LOG_EXIT(sm->p_log); 125} 126