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_slvl_rcv_t. 39 * This object represents the SLtoVL Receiver object. 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_passivelock.h> 50#include <complib/cl_debug.h> 51#include <opensm/osm_madw.h> 52#include <opensm/osm_log.h> 53#include <opensm/osm_node.h> 54#include <opensm/osm_subnet.h> 55#include <opensm/osm_helper.h> 56#include <opensm/osm_sm.h> 57 58/********************************************************************** 59 **********************************************************************/ 60/* 61 * WE MIGHT ONLY RECEIVE A GET or SET responses 62 */ 63void osm_slvl_rcv_process(IN void *context, IN void *p_data) 64{ 65 osm_sm_t *sm = context; 66 osm_madw_t *p_madw = p_data; 67 ib_slvl_table_t *p_slvl_tbl; 68 ib_smp_t *p_smp; 69 osm_port_t *p_port; 70 osm_physp_t *p_physp; 71 osm_node_t *p_node; 72 osm_slvl_context_t *p_context; 73 ib_net64_t port_guid; 74 ib_net64_t node_guid; 75 uint8_t out_port_num, in_port_num; 76 77 CL_ASSERT(sm); 78 79 OSM_LOG_ENTER(sm->p_log); 80 81 CL_ASSERT(p_madw); 82 83 p_smp = osm_madw_get_smp_ptr(p_madw); 84 p_context = osm_madw_get_slvl_context_ptr(p_madw); 85 p_slvl_tbl = (ib_slvl_table_t *) ib_smp_get_payload_ptr(p_smp); 86 87 port_guid = p_context->port_guid; 88 node_guid = p_context->node_guid; 89 90 CL_ASSERT(p_smp->attr_id == IB_MAD_ATTR_SLVL_TABLE); 91 92 cl_plock_excl_acquire(sm->p_lock); 93 p_port = osm_get_port_by_guid(sm->p_subn, port_guid); 94 95 if (!p_port) { 96 cl_plock_release(sm->p_lock); 97 OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 2C06: " 98 "No port object for port with GUID 0x%" PRIx64 99 "\n\t\t\t\tfor parent node GUID 0x%" PRIx64 100 ", TID 0x%" PRIx64 "\n", 101 cl_ntoh64(port_guid), 102 cl_ntoh64(node_guid), cl_ntoh64(p_smp->trans_id)); 103 goto Exit; 104 } 105 106 p_node = p_port->p_node; 107 CL_ASSERT(p_node); 108 109 /* in case of a non switch node the attr modifier should be ignored */ 110 if (osm_node_get_type(p_node) == IB_NODE_TYPE_SWITCH) { 111 out_port_num = 112 (uint8_t) cl_ntoh32(p_smp->attr_mod & 0xFF000000); 113 in_port_num = 114 (uint8_t) cl_ntoh32((p_smp->attr_mod & 0x00FF0000) << 8); 115 p_physp = osm_node_get_physp_ptr(p_node, out_port_num); 116 } else { 117 p_physp = p_port->p_physp; 118 out_port_num = p_physp->port_num; 119 in_port_num = 0; 120 } 121 122 /* 123 We do not mind if this is a result of a set or get - all we want is to update 124 the subnet. 125 */ 126 OSM_LOG(sm->p_log, OSM_LOG_VERBOSE, 127 "Got SLtoVL get response in_port_num %u out_port_num %u with " 128 "GUID 0x%" PRIx64 " for parent node GUID 0x%" PRIx64 ", TID 0x%" 129 PRIx64 "\n", in_port_num, out_port_num, cl_ntoh64(port_guid), 130 cl_ntoh64(node_guid), cl_ntoh64(p_smp->trans_id)); 131 132 /* 133 Determine if we encountered a new Physical Port. 134 If so, Ignore it. 135 */ 136 if (!p_physp) { 137 OSM_LOG(sm->p_log, OSM_LOG_ERROR, 138 "Got invalid port number %u\n", out_port_num); 139 goto Exit; 140 } 141 142 osm_dump_slvl_map_table(sm->p_log, 143 port_guid, in_port_num, 144 out_port_num, p_slvl_tbl, OSM_LOG_DEBUG); 145 146 osm_physp_set_slvl_tbl(p_physp, p_slvl_tbl, in_port_num); 147 148Exit: 149 cl_plock_release(sm->p_lock); 150 151 OSM_LOG_EXIT(sm->p_log); 152} 153