/usr/include/infiniband/opensm/osm_congestion_control.h is in libopensm-dev 3.3.20-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* 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 */
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