contrib/ofed/management/opensm/opensm/osm_mcast_fwd_rcv.c

   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_mft_rcv_t.
  39  * This object represents the Multicast Forwarding Table 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_qmap.h>
  50 #include <complib/cl_passivelock.h>
  51 #include <complib/cl_debug.h>
  52 #include <opensm/osm_madw.h>
  53 #include <opensm/osm_log.h>
  54 #include <opensm/osm_switch.h>
  55 #include <opensm/osm_subnet.h>
  56 #include <opensm/osm_sm.h>
  57
  58 /**********************************************************************
  59  **********************************************************************/
  60 void osm_mft_rcv_process(IN void *context, IN void *data)
  61 {
  62         osm_sm_t *sm = context;
  63         osm_madw_t *p_madw = data;
  64         ib_smp_t *p_smp;
  65         uint32_t block_num;
  66         uint8_t position;
  67         osm_switch_t *p_sw;
  68         osm_mft_context_t *p_mft_context;
  69         uint16_t *p_block;
  70         ib_net64_t node_guid;
  71         ib_api_status_t status;
  72
  73         CL_ASSERT(sm);
  74
  75         OSM_LOG_ENTER(sm->p_log);
  76
  77         CL_ASSERT(p_madw);
  78
  79         p_smp = osm_madw_get_smp_ptr(p_madw);
  80         p_block = (uint16_t *) ib_smp_get_payload_ptr(p_smp);
  81         block_num = cl_ntoh32(p_smp->attr_mod) & IB_MCAST_BLOCK_ID_MASK_HO;
  82         position = (uint8_t) ((cl_ntoh32(p_smp->attr_mod) &
  83                                IB_MCAST_POSITION_MASK_HO) >>
  84                               IB_MCAST_POSITION_SHIFT);
  85
  86         /*
  87            Acquire the switch object for this switch.
  88          */
  89         p_mft_context = osm_madw_get_mft_context_ptr(p_madw);
  90         node_guid = p_mft_context->node_guid;
  91
  92         OSM_LOG(sm->p_log, OSM_LOG_DEBUG,
  93                 "Setting MFT block %u, position %u, "
  94                 "Switch 0x%016" PRIx64 ", TID 0x%" PRIx64 "\n",
  95                 block_num, position, cl_ntoh64(node_guid),
  96                 cl_ntoh64(p_smp->trans_id));
  97
  98         CL_PLOCK_EXCL_ACQUIRE(sm->p_lock);
  99         p_sw = osm_get_switch_by_guid(sm->p_subn, node_guid);
 100
 101         if (!p_sw) {
 102                 OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 0801: "
 103                         "MFT received for nonexistent node "
 104                         "0x%016" PRIx64 "\n", cl_ntoh64(node_guid));
 105         } else {
 106                 status = osm_switch_set_mft_block(p_sw, p_block,
 107                                                   (uint16_t) block_num,
 108                                                   position);
 109                 if (status != IB_SUCCESS) {
 110                         OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 0802: "
 111                                 "Setting MFT block failed (%s)"
 112                                 "\n\t\t\t\tSwitch 0x%016" PRIx64
 113                                 ", block %u, position %u\n",
 114                                 ib_get_err_str(status),
 115                                 cl_ntoh64(node_guid), block_num, position);
 116                 }
 117         }
 118
 119         CL_PLOCK_RELEASE(sm->p_lock);
 120         OSM_LOG_EXIT(sm->p_log);
 121 }