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osm_congestion_control.h

/*
 * Copyright (c) 2004-2009 Voltaire, Inc. All rights reserved.
 * Copyright (c) 2002-2008 Mellanox Technologies LTD. All rights reserved.
 * Copyright (c) 1996-2003 Intel Corporation. All rights reserved.
 * Copyright (c) 2012 Lawrence Livermore National Lab.  All rights reserved.
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the
 * OpenIB.org BSD license below:
 *
 *     Redistribution and use in source and binary forms, with or
 *     without modification, are permitted provided that the following
 *     conditions are met:
 *
 *      - Redistributions of source code must retain the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer.
 *
 *      - Redistributions in binary form must reproduce the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer in the documentation and/or other materials
 *        provided with the distribution.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 */

/*
 * Abstract:
 *    OSM Congestion Control types and prototypes
 *
 * Author:
 *    Albert Chu, LLNL
 */

#ifndef OSM_CONGESTION_CONTROL_H
#define OSM_CONGESTION_CONTROL_H

#include <iba/ib_types.h>
#include <complib/cl_types_osd.h>
#include <complib/cl_dispatcher.h>
#include <opensm/osm_subnet.h>
#include <opensm/osm_log.h>
#include <opensm/osm_sm.h>
#include <opensm/osm_opensm.h>
#include <opensm/osm_base.h>

/****s* OpenSM: Base/OSM_DEFAULT_CC_KEY
 * NAME
 *       OSM_DEFAULT_CC_KEY
 *
 * DESCRIPTION
 *       Congestion Control Key used by OpenSM.
 *
 * SYNOPSIS
 */
#define OSM_DEFAULT_CC_KEY 0

#define OSM_CC_DEFAULT_MAX_OUTSTANDING_QUERIES 500

#define OSM_CC_TIMEOUT_COUNT_THRESHOLD 3

/****s* OpenSM: CongestionControl/osm_congestion_control_t
*  This object should be treated as opaque and should
*  be manipulated only through the provided functions.
*/
typedef struct osm_congestion_control {
	struct osm_opensm *osm;
	osm_subn_t *subn;
	osm_sm_t *sm;
	osm_log_t *log;
	osm_mad_pool_t *mad_pool;
	atomic32_t trans_id;
	osm_vendor_t *vendor;
	osm_bind_handle_t bind_handle;
	cl_disp_reg_handle_t cc_disp_h;
	ib_net64_t port_guid;
	atomic32_t outstanding_mads;
	atomic32_t outstanding_mads_on_wire;
	cl_qlist_t mad_queue;
	cl_spinlock_t mad_queue_lock;
	cl_event_t cc_poller_wakeup;
	cl_event_t outstanding_mads_done_event;
	cl_event_t sig_mads_on_wire_continue;
	cl_thread_t cc_poller;
	osm_thread_state_t thread_state;
	ib_sw_cong_setting_t sw_cong_setting;
	ib_ca_cong_setting_t ca_cong_setting;
	ib_cc_tbl_t cc_tbl[OSM_CCT_ENTRY_MAD_BLOCKS];
	unsigned int cc_tbl_mads;
} osm_congestion_control_t;
/*
* FIELDS
*       subn
*             Subnet object for this subnet.
*
*       log
*             Pointer to the log object.
*
*       mad_pool
*             Pointer to the MAD pool.
*
*       mad_ctrl
*             Mad Controller
*********/

struct osm_opensm;

int osm_congestion_control_setup(struct osm_opensm *osm);

int osm_congestion_control_wait_pending_transactions(struct osm_opensm *osm);

ib_api_status_t osm_congestion_control_init(osm_congestion_control_t * p_cc,
					    struct osm_opensm *osm,
					    const osm_subn_opt_t * p_opt);

ib_api_status_t osm_congestion_control_bind(osm_congestion_control_t * p_cc,
					    ib_net64_t port_guid);

void osm_congestion_control_shutdown(osm_congestion_control_t * p_cc);

void osm_congestion_control_destroy(osm_congestion_control_t * p_cc);

#endif				/* ifndef OSM_CONGESTION_CONTROL_H */

System Information
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Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	0/0	0755	2019-07-14 10:25:20
..	dir	-	0/0	0755	2021-01-04 04:46:49
osm_attrib_req.h	text/x-c	3.05 KB	0/0	0444	2019-07-14 10:25:20
osm_base.h	text/x-c	24.34 KB	0/0	0444	2019-07-14 10:25:20
osm_config.h	text/x-c	2.03 KB	0/0	0444	2019-07-14 10:25:20
osm_congestion_control.h	text/x-c	4.03 KB	0/0	0444	2019-07-14 10:25:20
osm_console.h	text/x-c	1.75 KB	0/0	0444	2019-07-14 10:25:20
osm_console_io.h	text/x-c	3.02 KB	0/0	0444	2019-07-14 10:25:20
osm_db.h	text/x-c	9.08 KB	0/0	0444	2019-07-14 10:25:20
osm_db_pack.h	text/x-c	11.91 KB	0/0	0444	2019-07-14 10:25:20
osm_errors.h	text/x-c	3.28 KB	0/0	0444	2019-07-14 10:25:20
osm_event_plugin.h	text/x-c	6.08 KB	0/0	0444	2019-07-14 10:25:20
osm_file_ids.h	text/x-c	4.11 KB	0/0	0444	2019-07-14 10:25:20
osm_guid.h	text/x-c	2.16 KB	0/0	0444	2019-07-14 10:25:20
osm_helper.h	text/x-c	19.39 KB	0/0	0444	2019-07-14 10:25:20
osm_inform.h	text/x-c	6.37 KB	0/0	0444	2019-07-14 10:25:20
osm_lid_mgr.h	text/x-c	6.53 KB	0/0	0444	2019-07-14 10:25:20
osm_log.h	text/x-c	14.11 KB	0/0	0444	2019-07-14 10:25:20
osm_mad_pool.h	text/x-c	8.82 KB	0/0	0444	2019-07-14 10:25:20
osm_madw.h	text/x-c	23.17 KB	0/0	0444	2019-07-14 10:25:20
osm_mcast_mgr.h	text/x-c	2.52 KB	0/0	0444	2019-07-14 10:25:20
osm_mcast_tbl.h	text/x-c	10.22 KB	0/0	0444	2019-07-14 10:25:20
osm_mcm_port.h	text/x-c	6.18 KB	0/0	0444	2019-07-14 10:25:20
osm_mesh.h	text/x-c	2.56 KB	0/0	0444	2019-07-14 10:25:20
osm_msgdef.h	text/x-c	4.47 KB	0/0	0444	2019-07-14 10:25:20
osm_mtree.h	text/x-c	6.38 KB	0/0	0444	2019-07-14 10:25:20
osm_multicast.h	text/x-c	9.89 KB	0/0	0444	2019-07-14 10:25:20
osm_node.h	text/x-c	14.48 KB	0/0	0444	2019-07-14 10:25:20
osm_opensm.h	text/x-c	15.86 KB	0/0	0444	2019-07-14 10:25:20
osm_partition.h	text/x-c	6.19 KB	0/0	0444	2019-07-14 10:25:20
osm_path.h	text/x-c	4.99 KB	0/0	0444	2019-07-14 10:25:20
osm_perfmgr.h	text/x-c	7.92 KB	0/0	0444	2019-07-14 10:25:20
osm_perfmgr_db.h	text/x-c	7.12 KB	0/0	0444	2019-07-14 10:25:20
osm_pkey.h	text/x-c	15.96 KB	0/0	0444	2019-07-14 10:25:20
osm_port.h	text/x-c	34.53 KB	0/0	0444	2019-07-14 10:25:20
osm_port_profile.h	text/x-c	4.74 KB	0/0	0444	2019-07-14 10:25:20
osm_prefix_route.h	text/x-c	2.2 KB	0/0	0444	2019-07-14 10:25:20
osm_qos_policy.h	text/x-c	7.66 KB	0/0	0444	2019-07-14 10:25:20
osm_remote_sm.h	text/x-c	4.88 KB	0/0	0444	2019-07-14 10:25:20
osm_router.h	text/x-c	4.79 KB	0/0	0444	2019-07-14 10:25:20
osm_sa.h	text/x-c	13.83 KB	0/0	0444	2019-07-14 10:25:20
osm_sa_mad_ctrl.h	text/x-c	8.02 KB	0/0	0444	2019-07-14 10:25:20
osm_service.h	text/x-c	4.66 KB	0/0	0444	2019-07-14 10:25:20
osm_sm.h	text/x-c	17.84 KB	0/0	0444	2019-07-14 10:25:20
osm_sm_mad_ctrl.h	text/x-c	7.54 KB	0/0	0444	2019-07-14 10:25:20
osm_stats.h	text/x-c	4.92 KB	0/0	0444	2019-07-14 10:25:20
osm_subnet.h	text/x-c	40.54 KB	0/0	0444	2019-07-14 10:25:20
osm_switch.h	text/x-c	24.63 KB	0/0	0444	2019-07-14 10:25:20
osm_ucast_cache.h	text/x-c	5.93 KB	0/0	0444	2019-07-14 10:25:20
osm_ucast_lash.h	text/x-c	2.69 KB	0/0	0444	2019-07-14 10:25:20
osm_ucast_mgr.h	text/x-c	7.11 KB	0/0	0444	2019-07-14 10:25:20
osm_version.h	text/x-c	1.78 KB	0/0	0444	2019-07-14 10:25:20
osm_vl15intf.h	text/x-c	8.96 KB	0/0	0444	2019-07-14 10:25:20
st.h	text/x-c	3.21 KB	0/0	0444	2019-07-14 10:25:20