contrib/ofed/opensm/opensm/osm_mcast_fwd_rcv.c

   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) 2009 Sun Microsystems, Inc. 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_mft_rcv_t.
  40  * This object represents the Multicast Forwarding Table 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_qmap.h>
  51 #include <complib/cl_passivelock.h>
  52 #include <complib/cl_debug.h>
  53 #include <opensm/osm_file_ids.h>
  54 #define FILE_ID OSM_FILE_MCAST_FWD_RCV_C
  55 #include <opensm/osm_madw.h>
  56 #include <opensm/osm_log.h>
  57 #include <opensm/osm_switch.h>
  58 #include <opensm/osm_subnet.h>
  59 #include <opensm/osm_sm.h>
  60
  61 void osm_mft_rcv_process(IN void *context, IN void *data)
  62 {
  63         osm_sm_t *sm = context;
  64         osm_madw_t *p_madw = data;
  65         ib_smp_t *p_smp;
  66         uint32_t block_num;
  67         uint8_t position;
  68         osm_switch_t *p_sw;
  69         osm_mft_context_t *p_mft_context;
  70         uint16_t *p_block;
  71         ib_net64_t node_guid;
  72         ib_api_status_t status;
  73
  74         CL_ASSERT(sm);
  75
  76         OSM_LOG_ENTER(sm->p_log);
  77
  78         CL_ASSERT(p_madw);
  79
  80         p_smp = osm_madw_get_smp_ptr(p_madw);
  81         p_block = ib_smp_get_payload_ptr(p_smp);
  82         block_num = cl_ntoh32(p_smp->attr_mod) & IB_MCAST_BLOCK_ID_MASK_HO;
  83         position = (uint8_t) ((cl_ntoh32(p_smp->attr_mod) &
  84                                IB_MCAST_POSITION_MASK_HO) >>
  85                               IB_MCAST_POSITION_SHIFT);
  86
  87         /*
  88            Acquire the switch object for this switch.
  89          */
  90         p_mft_context = osm_madw_get_mft_context_ptr(p_madw);
  91         node_guid = p_mft_context->node_guid;
  92
  93         OSM_LOG(sm->p_log, OSM_LOG_DEBUG,
  94                 "Setting MFT block %u, position %u, "
  95                 "Switch 0x%016" PRIx64 ", TID 0x%" PRIx64 "\n",
  96                 block_num, position, cl_ntoh64(node_guid),
  97                 cl_ntoh64(p_smp->trans_id));
  98
  99         if (ib_smp_get_status(p_smp)) {
 100                 OSM_LOG(sm->p_log, OSM_LOG_DEBUG,
 101                         "MAD status 0x%x received\n",
 102                         cl_ntoh16(ib_smp_get_status(p_smp)));
 103                 goto Exit;
 104         }
 105
 106         CL_PLOCK_EXCL_ACQUIRE(sm->p_lock);
 107         p_sw = osm_get_switch_by_guid(sm->p_subn, node_guid);
 108
 109         if (!p_sw) {
 110                 OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 0801: "
 111                         "MFT received for nonexistent node "
 112                         "0x%016" PRIx64 "\n", cl_ntoh64(node_guid));
 113         } else {
 114                 status = osm_switch_set_mft_block(p_sw, p_block,
 115                                                   (uint16_t) block_num,
 116                                                   position);
 117                 if (status != IB_SUCCESS) {
 118                         OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 0802: "
 119                                 "Setting MFT block failed (%s)"
 120                                 ", Switch 0x%016" PRIx64
 121                                 " (%s), block %u, position %u\n",
 122                                 ib_get_err_str(status), cl_ntoh64(node_guid),
 123                                 p_sw->p_node->print_desc, block_num, position);
 124                 }
 125         }
 126
 127         CL_PLOCK_RELEASE(sm->p_lock);
 128 Exit:
 129         OSM_LOG_EXIT(sm->p_log);
 130 }