2
* Copyright (c) 2006-2009 Voltaire, Inc. All rights reserved.
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* Copyright (c) 2009 HNR Consulting. All rights reserved.
4
* Copyright (c) 2012 Lawrence Livermore National Lab. All rights reserved.
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:
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* Redistribution and use in source and binary forms, with or
13
* without modification, are permitted provided that the following
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* - Redistributions of source code must retain the above
17
* copyright notice, this list of conditions and the following
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.
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
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
38
* OSM Congestion Control configuration implementation
46
#endif /* HAVE_CONFIG_H */
51
#include <iba/ib_types.h>
52
#include <complib/cl_debug.h>
53
#include <opensm/osm_subnet.h>
54
#include <opensm/osm_opensm.h>
55
#include <opensm/osm_log.h>
56
#include <opensm/osm_subnet.h>
57
#include <opensm/osm_congestion_control.h>
59
#define CONGESTION_CONTROL_INITIAL_TID_VALUE 0x7A93
61
static void cc_mad_post(osm_congestion_control_t *p_cc,
68
osm_subn_opt_t *p_opt = &p_cc->subn->opt;
69
ib_cc_mad_t *p_cc_mad;
72
OSM_LOG_ENTER(p_cc->log);
74
port = osm_physp_get_port_num(p_physp);
76
p_cc_mad = osm_madw_get_cc_mad_ptr(p_madw);
78
p_cc_mad->header.base_ver = 1;
79
p_cc_mad->header.mgmt_class = IB_MCLASS_CC;
80
p_cc_mad->header.class_ver = 2;
81
p_cc_mad->header.method = IB_MAD_METHOD_SET;
82
p_cc_mad->header.status = 0;
83
p_cc_mad->header.class_spec = 0;
84
p_cc_mad->header.trans_id =
85
cl_hton64((uint64_t) cl_atomic_inc(&p_cc->trans_id) &
86
(uint64_t) (0xFFFFFFFF));
87
if (p_cc_mad->header.trans_id == 0)
88
p_cc_mad->header.trans_id =
89
cl_hton64((uint64_t) cl_atomic_inc(&p_cc->trans_id) &
90
(uint64_t) (0xFFFFFFFF));
91
p_cc_mad->header.attr_id = attr_id;
92
p_cc_mad->header.resv = 0;
93
p_cc_mad->header.attr_mod = attr_mod;
95
p_cc_mad->cc_key = p_opt->cc_key;
97
memset(p_cc_mad->log_data, '\0', IB_CC_LOG_DATA_SIZE);
99
p_madw->mad_addr.dest_lid = osm_node_get_base_lid(p_node, port);
100
p_madw->mad_addr.addr_type.gsi.remote_qp = IB_QP1;
101
p_madw->mad_addr.addr_type.gsi.remote_qkey =
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cl_hton32(IB_QP1_WELL_KNOWN_Q_KEY);
103
p_madw->resp_expected = TRUE;
104
p_madw->fail_msg = CL_DISP_MSGID_NONE;
106
p_madw->context.cc_context.node_guid = osm_node_get_node_guid(p_node);
107
p_madw->context.cc_context.port_guid = osm_physp_get_port_guid(p_physp);
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p_madw->context.cc_context.port = port;
109
p_madw->context.cc_context.mad_method = IB_MAD_METHOD_SET;
110
p_madw->context.cc_context.attr_mod = attr_mod;
112
cl_spinlock_acquire(&p_cc->mad_queue_lock);
113
cl_atomic_inc(&p_cc->outstanding_mads);
114
cl_qlist_insert_tail(&p_cc->mad_queue, &p_madw->list_item);
115
cl_spinlock_release(&p_cc->mad_queue_lock);
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cl_event_signal(&p_cc->cc_poller_wakeup);
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OSM_LOG_EXIT(p_cc->log);
122
static void cc_setup_mad_data(osm_sm_t * p_sm)
124
osm_congestion_control_t *p_cc = &p_sm->p_subn->p_osm->cc;
125
osm_subn_opt_t *p_opt = &p_sm->p_subn->opt;
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/* Switch Congestion Setting */
130
p_cc->sw_cong_setting.control_map = p_opt->cc_sw_cong_setting_control_map;
132
memcpy(p_cc->sw_cong_setting.victim_mask,
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p_opt->cc_sw_cong_setting_victim_mask,
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IB_CC_PORT_MASK_DATA_SIZE);
136
memcpy(p_cc->sw_cong_setting.credit_mask,
137
p_opt->cc_sw_cong_setting_credit_mask,
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IB_CC_PORT_MASK_DATA_SIZE);
140
/* threshold is 4 bits, takes up upper nibble of byte */
141
p_cc->sw_cong_setting.threshold_resv = (p_opt->cc_sw_cong_setting_threshold << 4);
143
p_cc->sw_cong_setting.packet_size = p_opt->cc_sw_cong_setting_packet_size;
145
/* cs threshold is 4 bits, takes up upper nibble of short */
146
p_cc->sw_cong_setting.cs_threshold_resv =
147
cl_hton16(p_opt->cc_sw_cong_setting_credit_starvation_threshold << 12);
149
p_cc->sw_cong_setting.cs_return_delay =
150
cl_hton16(p_opt->cc_sw_cong_setting_credit_starvation_return_delay.shift << 14
151
| p_opt->cc_sw_cong_setting_credit_starvation_return_delay.multiplier);
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p_cc->sw_cong_setting.marking_rate = p_opt->cc_sw_cong_setting_marking_rate;
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/* CA Congestion Setting */
156
p_cc->ca_cong_setting.port_control = p_opt->cc_ca_cong_setting_port_control;
157
p_cc->ca_cong_setting.control_map = p_opt->cc_ca_cong_setting_control_map;
159
for (i = 0; i < IB_CA_CONG_ENTRY_DATA_SIZE; i++) {
160
ib_ca_cong_entry_t *p_entry;
162
p_entry = &p_cc->ca_cong_setting.entry_list[i];
164
p_entry->ccti_timer = p_opt->cc_ca_cong_entries[i].ccti_timer;
165
p_entry->ccti_increase = p_opt->cc_ca_cong_entries[i].ccti_increase;
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p_entry->trigger_threshold = p_opt->cc_ca_cong_entries[i].trigger_threshold;
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p_entry->ccti_min = p_opt->cc_ca_cong_entries[i].ccti_min;
172
/* Congestion Control Table */
174
/* if no entries, we will always send atleast 1 mad to set ccti_limit = 0 */
175
if (!p_opt->cc_cct.entries_len)
176
p_cc->cc_tbl_mads = 1;
178
p_cc->cc_tbl_mads = p_opt->cc_cct.entries_len - 1;
179
p_cc->cc_tbl_mads /= IB_CC_TBL_ENTRY_LIST_MAX;
180
p_cc->cc_tbl_mads += 1;
183
CL_ASSERT(p_cc->cc_tbl_mads <= OSM_CCT_ENTRY_MAD_BLOCKS);
185
if (!p_opt->cc_cct.entries_len)
188
ccti_limit = p_opt->cc_cct.entries_len - 1;
190
for (i = 0; i < p_cc->cc_tbl_mads; i++) {
193
p_cc->cc_tbl[i].ccti_limit = cl_hton16(ccti_limit);
194
p_cc->cc_tbl[i].resv = 0;
196
memset(p_cc->cc_tbl[i].entry_list,
198
sizeof(p_cc->cc_tbl[i].entry_list));
203
for (j = 0; j < IB_CC_TBL_ENTRY_LIST_MAX; j++) {
206
k = (i * IB_CC_TBL_ENTRY_LIST_MAX) + j;
207
p_cc->cc_tbl[i].entry_list[j].shift_multiplier =
208
cl_hton16(p_opt->cc_cct.entries[k].shift << 14
209
| p_opt->cc_cct.entries[k].multiplier);
214
static ib_api_status_t cc_send_sw_cong_setting(osm_sm_t * p_sm,
217
osm_congestion_control_t *p_cc = &p_sm->p_subn->p_osm->cc;
218
unsigned force_update;
219
osm_physp_t *p_physp;
220
osm_madw_t *p_madw = NULL;
221
ib_cc_mad_t *p_cc_mad = NULL;
222
ib_sw_cong_setting_t *p_sw_cong_setting = NULL;
224
OSM_LOG_ENTER(p_sm->p_log);
226
p_physp = osm_node_get_physp_ptr(p_node, 0);
228
force_update = p_physp->need_update || p_sm->p_subn->need_update;
231
&& !memcmp(&p_cc->sw_cong_setting,
232
&p_physp->cc.sw.sw_cong_setting,
233
sizeof(p_cc->sw_cong_setting)))
236
p_madw = osm_mad_pool_get(p_cc->mad_pool, p_cc->bind_handle,
237
MAD_BLOCK_SIZE, NULL);
238
if (p_madw == NULL) {
239
OSM_LOG(p_sm->p_log, OSM_LOG_ERROR, "ERR C101: "
240
"failed to allocate mad\n");
241
return IB_INSUFFICIENT_MEMORY;
244
p_cc_mad = osm_madw_get_cc_mad_ptr(p_madw);
246
p_sw_cong_setting = ib_cc_mad_get_mgt_data_ptr(p_cc_mad);
248
memcpy(p_sw_cong_setting,
249
&p_cc->sw_cong_setting,
250
sizeof(p_cc->sw_cong_setting));
252
cc_mad_post(p_cc, p_madw, p_node, p_physp,
253
IB_MAD_ATTR_SW_CONG_SETTING, 0);
255
OSM_LOG_EXIT(p_sm->p_log);
260
static ib_api_status_t cc_send_ca_cong_setting(osm_sm_t * p_sm,
262
osm_physp_t *p_physp)
264
osm_congestion_control_t *p_cc = &p_sm->p_subn->p_osm->cc;
265
unsigned force_update;
266
osm_madw_t *p_madw = NULL;
267
ib_cc_mad_t *p_cc_mad = NULL;
268
ib_ca_cong_setting_t *p_ca_cong_setting = NULL;
270
OSM_LOG_ENTER(p_sm->p_log);
272
force_update = p_physp->need_update || p_sm->p_subn->need_update;
275
&& !memcmp(&p_cc->ca_cong_setting,
276
&p_physp->cc.ca.ca_cong_setting,
277
sizeof(p_cc->ca_cong_setting)))
280
p_madw = osm_mad_pool_get(p_cc->mad_pool, p_cc->bind_handle,
281
MAD_BLOCK_SIZE, NULL);
282
if (p_madw == NULL) {
283
OSM_LOG(p_sm->p_log, OSM_LOG_ERROR, "ERR C102: "
284
"failed to allocate mad\n");
285
return IB_INSUFFICIENT_MEMORY;
288
p_cc_mad = osm_madw_get_cc_mad_ptr(p_madw);
290
p_ca_cong_setting = ib_cc_mad_get_mgt_data_ptr(p_cc_mad);
292
memcpy(p_ca_cong_setting,
293
&p_cc->ca_cong_setting,
294
sizeof(p_cc->ca_cong_setting));
296
cc_mad_post(p_cc, p_madw, p_node, p_physp,
297
IB_MAD_ATTR_CA_CONG_SETTING, 0);
299
OSM_LOG_EXIT(p_sm->p_log);
304
static ib_api_status_t cc_send_cct(osm_sm_t * p_sm,
306
osm_physp_t *p_physp)
308
osm_congestion_control_t *p_cc = &p_sm->p_subn->p_osm->cc;
309
unsigned force_update;
310
osm_madw_t *p_madw = NULL;
311
ib_cc_mad_t *p_cc_mad = NULL;
312
ib_cc_tbl_t *p_cc_tbl = NULL;
313
unsigned int index = 0;
315
OSM_LOG_ENTER(p_sm->p_log);
317
force_update = p_physp->need_update || p_sm->p_subn->need_update;
319
for (index = 0; index < p_cc->cc_tbl_mads; index++) {
321
&& !memcmp(&p_cc->cc_tbl[index],
322
&p_physp->cc.ca.cc_tbl[index],
323
sizeof(p_cc->cc_tbl[index])))
326
p_madw = osm_mad_pool_get(p_cc->mad_pool, p_cc->bind_handle,
327
MAD_BLOCK_SIZE, NULL);
328
if (p_madw == NULL) {
329
OSM_LOG(p_sm->p_log, OSM_LOG_ERROR, "ERR C103: "
330
"failed to allocate mad\n");
331
return IB_INSUFFICIENT_MEMORY;
334
p_cc_mad = osm_madw_get_cc_mad_ptr(p_madw);
336
p_cc_tbl = (ib_cc_tbl_t *)ib_cc_mad_get_mgt_data_ptr(p_cc_mad);
339
&p_cc->cc_tbl[index],
340
sizeof(p_cc->cc_tbl[index]));
342
cc_mad_post(p_cc, p_madw, p_node, p_physp,
343
IB_MAD_ATTR_CC_TBL, cl_hton32(index));
346
OSM_LOG_EXIT(p_sm->p_log);
351
int osm_congestion_control_setup(struct osm_opensm *p_osm)
354
cl_map_item_t *p_next;
357
if (!p_osm->subn.opt.congestion_control)
360
OSM_LOG_ENTER(&p_osm->log);
363
* Do nothing unless the most recent routing attempt was successful.
365
if (!p_osm->sm.p_subn->p_osm->routing_engine_used)
368
cc_setup_mad_data(&p_osm->sm);
370
cl_plock_acquire(&p_osm->lock);
372
p_tbl = &p_osm->subn.port_guid_tbl;
373
p_next = cl_qmap_head(p_tbl);
374
while (p_next != cl_qmap_end(p_tbl)) {
375
osm_port_t *p_port = (osm_port_t *) p_next;
376
osm_node_t *p_node = p_port->p_node;
377
ib_api_status_t status;
379
p_next = cl_qmap_next(p_next);
381
if (osm_node_get_type(p_node) == IB_NODE_TYPE_SWITCH) {
382
status = cc_send_sw_cong_setting(&p_osm->sm, p_node);
383
if (status != IB_SUCCESS)
385
} else if (osm_node_get_type(p_node) == IB_NODE_TYPE_CA) {
386
status = cc_send_ca_cong_setting(&p_osm->sm,
389
if (status != IB_SUCCESS)
392
status = cc_send_cct(&p_osm->sm,
395
if (status != IB_SUCCESS)
400
cl_plock_release(&p_osm->lock);
402
OSM_LOG_EXIT(&p_osm->log);
407
int osm_congestion_control_wait_pending_transactions(struct osm_opensm *p_osm)
409
osm_congestion_control_t *cc = &p_osm->sm.p_subn->p_osm->cc;
411
if (!p_osm->subn.opt.congestion_control)
415
unsigned count = cc->outstanding_mads;
416
if (!count || osm_exit_flag)
418
cl_event_wait_on(&cc->outstanding_mads_done_event,
423
return osm_exit_flag;
426
static inline void decrement_outstanding_mads(osm_congestion_control_t *p_cc)
428
uint32_t outstanding;
430
outstanding = cl_atomic_dec(&p_cc->outstanding_mads);
432
cl_event_signal(&p_cc->outstanding_mads_done_event);
434
cl_atomic_dec(&p_cc->outstanding_mads_on_wire);
435
cl_event_signal(&p_cc->sig_mads_on_wire_continue);
439
static void cc_rcv_mad(void *context, void *data)
441
osm_congestion_control_t *p_cc = context;
442
osm_opensm_t *p_osm = p_cc->osm;
443
osm_madw_t *p_madw = data;
444
ib_cc_mad_t *p_cc_mad;
445
osm_madw_context_t *p_mad_context = &p_madw->context;
446
ib_mad_t *p_mad = osm_madw_get_mad_ptr(p_madw);
447
uint64_t node_guid = p_mad_context->cc_context.node_guid;
448
uint64_t port_guid = p_mad_context->cc_context.port_guid;
449
uint8_t port = p_mad_context->cc_context.port;
452
OSM_LOG_ENTER(p_cc->log);
454
OSM_LOG(p_cc->log, OSM_LOG_VERBOSE,
455
"Processing received MAD status 0x%x context 0x%"
456
PRIx64 "port %u\n", p_mad->status, node_guid, port);
458
p_cc_mad = osm_madw_get_cc_mad_ptr(p_madw);
460
cl_plock_acquire(&p_osm->lock);
462
p_port = osm_get_port_by_guid(p_cc->subn, port_guid);
464
OSM_LOG(p_cc->log, OSM_LOG_ERROR, "ERR C109: "
465
"Port guid not in table 0x%" PRIx64 "\n",
467
cl_plock_release(&p_osm->lock);
471
if (p_cc_mad->header.attr_id == IB_MAD_ATTR_SW_CONG_SETTING) {
472
ib_sw_cong_setting_t *p_sw_cong_setting;
474
p_sw_cong_setting = ib_cc_mad_get_mgt_data_ptr(p_cc_mad);
475
p_port->p_physp->cc.sw.sw_cong_setting = *p_sw_cong_setting;
477
else if (p_cc_mad->header.attr_id == IB_MAD_ATTR_CA_CONG_SETTING) {
478
ib_ca_cong_setting_t *p_ca_cong_setting;
480
p_ca_cong_setting = ib_cc_mad_get_mgt_data_ptr(p_cc_mad);
481
p_port->p_physp->cc.ca.ca_cong_setting = *p_ca_cong_setting;
483
else if (p_cc_mad->header.attr_id == IB_MAD_ATTR_CC_TBL) {
484
ib_net32_t attr_mod = p_mad_context->cc_context.attr_mod;
485
uint32_t index = cl_ntoh32(attr_mod);
486
ib_cc_tbl_t *p_cc_tbl;
488
p_cc_tbl = ib_cc_mad_get_mgt_data_ptr(p_cc_mad);
489
p_port->p_physp->cc.ca.cc_tbl[index] = *p_cc_tbl;
492
OSM_LOG(p_cc->log, OSM_LOG_ERROR, "ERR C10A: "
493
"Unexpected MAD attribute received: %u\n",
494
p_cc_mad->header.attr_id);
496
cl_plock_release(&p_osm->lock);
499
decrement_outstanding_mads(p_cc);
500
osm_mad_pool_put(p_cc->mad_pool, p_madw);
501
OSM_LOG_EXIT(p_cc->log);
504
static void cc_poller_send(osm_congestion_control_t *p_cc,
507
osm_subn_opt_t *p_opt = &p_cc->subn->opt;
508
ib_api_status_t status;
510
status = osm_vendor_send(p_cc->bind_handle, p_madw, TRUE);
511
if (status == IB_SUCCESS) {
512
cl_atomic_inc(&p_cc->outstanding_mads_on_wire);
513
if (p_cc->outstanding_mads_on_wire >
514
p_opt->cc_max_outstanding_mads)
515
cl_event_wait_on(&p_cc->sig_mads_on_wire_continue,
520
osm_madw_context_t *mad_context = &p_madw->context;
522
OSM_LOG(p_cc->log, OSM_LOG_ERROR, "ERR C104: "
523
"send failed to node 0x%" PRIx64 "port %u\n",
524
mad_context->cc_context.node_guid,
525
mad_context->cc_context.port);
529
static void cc_poller(void *p_ptr)
531
osm_congestion_control_t *p_cc = p_ptr;
534
OSM_LOG_ENTER(p_cc->log);
536
if (p_cc->thread_state == OSM_THREAD_STATE_NONE)
537
p_cc->thread_state = OSM_THREAD_STATE_RUN;
539
while (p_cc->thread_state == OSM_THREAD_STATE_RUN) {
540
cl_spinlock_acquire(&p_cc->mad_queue_lock);
542
p_madw = (osm_madw_t *) cl_qlist_remove_head(&p_cc->mad_queue);
544
cl_spinlock_release(&p_cc->mad_queue_lock);
546
if (p_madw != (osm_madw_t *) cl_qlist_end(&p_cc->mad_queue))
547
cc_poller_send(p_cc, p_madw);
549
cl_event_wait_on(&p_cc->cc_poller_wakeup,
550
EVENT_NO_TIMEOUT, TRUE);
553
OSM_LOG_EXIT(p_cc->log);
556
ib_api_status_t osm_congestion_control_init(osm_congestion_control_t * p_cc,
557
struct osm_opensm *p_osm,
558
const osm_subn_opt_t * p_opt)
560
ib_api_status_t status = IB_SUCCESS;
562
OSM_LOG_ENTER(&p_osm->log);
564
memset(p_cc, 0, sizeof(*p_cc));
567
p_cc->subn = &p_osm->subn;
568
p_cc->sm = &p_osm->sm;
569
p_cc->log = &p_osm->log;
570
p_cc->mad_pool = &p_osm->mad_pool;
571
p_cc->trans_id = CONGESTION_CONTROL_INITIAL_TID_VALUE;
572
p_cc->vendor = p_osm->p_vendor;
574
p_cc->cc_disp_h = cl_disp_register(&p_osm->disp, OSM_MSG_MAD_CC,
576
if (p_cc->cc_disp_h == CL_DISP_INVALID_HANDLE)
579
cl_qlist_init(&p_cc->mad_queue);
581
status = cl_spinlock_init(&p_cc->mad_queue_lock);
582
if (status != IB_SUCCESS)
585
cl_event_construct(&p_cc->cc_poller_wakeup);
586
status = cl_event_init(&p_cc->cc_poller_wakeup, FALSE);
587
if (status != IB_SUCCESS)
590
cl_event_construct(&p_cc->outstanding_mads_done_event);
591
status = cl_event_init(&p_cc->outstanding_mads_done_event, FALSE);
592
if (status != IB_SUCCESS)
595
cl_event_construct(&p_cc->sig_mads_on_wire_continue);
596
status = cl_event_init(&p_cc->sig_mads_on_wire_continue, FALSE);
597
if (status != IB_SUCCESS)
600
p_cc->thread_state = OSM_THREAD_STATE_NONE;
602
status = cl_thread_init(&p_cc->cc_poller, cc_poller, p_cc,
604
if (status != IB_SUCCESS)
609
OSM_LOG_EXIT(p_cc->log);
613
static void cc_mad_recv_callback(osm_madw_t * p_madw, void *bind_context,
614
osm_madw_t * p_req_madw)
616
osm_congestion_control_t *p_cc = bind_context;
618
OSM_LOG_ENTER(p_cc->log);
620
osm_madw_copy_context(p_madw, p_req_madw);
621
osm_mad_pool_put(p_cc->mad_pool, p_req_madw);
623
/* Do not decrement outstanding mads here, do it in the dispatcher */
625
if (cl_disp_post(p_cc->cc_disp_h, OSM_MSG_MAD_CC,
626
p_madw, NULL, NULL) != CL_SUCCESS) {
627
OSM_LOG(p_cc->log, OSM_LOG_ERROR, "ERR C105: "
628
"Congestion Control Dispatcher post failed\n");
629
osm_mad_pool_put(p_cc->mad_pool, p_madw);
632
OSM_LOG_EXIT(p_cc->log);
635
static void cc_mad_send_err_callback(void *bind_context,
638
osm_congestion_control_t *p_cc = bind_context;
639
osm_madw_context_t *p_madw_context = &p_madw->context;
640
uint64_t node_guid = p_madw_context->cc_context.node_guid;
641
uint8_t port = p_madw_context->cc_context.port;
643
OSM_LOG_ENTER(p_cc->log);
645
OSM_LOG(p_cc->log, OSM_LOG_ERROR, "ERR C106: MAD Error (%s): "
646
"attr id = %u LID %u GUID 0x%016" PRIx64 " port %u "
647
"TID 0x%" PRIx64 "\n",
648
ib_get_err_str(p_madw->status),
649
p_madw->p_mad->attr_id,
650
cl_ntoh16(p_madw->mad_addr.dest_lid),
653
cl_ntoh64(p_madw->p_mad->trans_id));
655
p_cc->subn->subnet_initialization_error = TRUE;
657
osm_mad_pool_put(p_cc->mad_pool, p_madw);
659
decrement_outstanding_mads(p_cc);
661
OSM_LOG_EXIT(p_cc->log);
664
ib_api_status_t osm_congestion_control_bind(osm_congestion_control_t * p_cc,
665
ib_net64_t port_guid)
667
osm_bind_info_t bind_info;
668
ib_api_status_t status = IB_SUCCESS;
670
OSM_LOG_ENTER(p_cc->log);
672
bind_info.port_guid = p_cc->port_guid = port_guid;
673
bind_info.mad_class = IB_MCLASS_CC;
674
bind_info.class_version = 2;
675
bind_info.is_responder = FALSE;
676
bind_info.is_report_processor = FALSE;
677
bind_info.is_trap_processor = FALSE;
678
bind_info.recv_q_size = OSM_SM_DEFAULT_QP1_RCV_SIZE;
679
bind_info.send_q_size = OSM_SM_DEFAULT_QP1_SEND_SIZE;
680
bind_info.timeout = p_cc->subn->opt.transaction_timeout;
681
bind_info.retries = p_cc->subn->opt.transaction_retries;
683
OSM_LOG(p_cc->log, OSM_LOG_VERBOSE,
684
"Binding to port GUID 0x%" PRIx64 "\n", cl_ntoh64(port_guid));
686
p_cc->bind_handle = osm_vendor_bind(p_cc->vendor, &bind_info,
688
cc_mad_recv_callback,
689
cc_mad_send_err_callback, p_cc);
691
if (p_cc->bind_handle == OSM_BIND_INVALID_HANDLE) {
693
OSM_LOG(p_cc->log, OSM_LOG_ERROR,
694
"ERR C107: Vendor specific bind failed (%s)\n",
695
ib_get_err_str(status));
700
OSM_LOG_EXIT(p_cc->log);
704
void osm_congestion_control_shutdown(osm_congestion_control_t * p_cc)
706
OSM_LOG_ENTER(p_cc->log);
707
if (p_cc->bind_handle == OSM_BIND_INVALID_HANDLE) {
708
OSM_LOG(p_cc->log, OSM_LOG_ERROR,
709
"ERR C108: No previous bind\n");
712
cl_disp_unregister(p_cc->cc_disp_h);
714
OSM_LOG_EXIT(p_cc->log);
717
void osm_congestion_control_destroy(osm_congestion_control_t * p_cc)
721
OSM_LOG_ENTER(p_cc->log);
723
p_cc->thread_state = OSM_THREAD_STATE_EXIT;
725
cl_event_signal(&p_cc->sig_mads_on_wire_continue);
726
cl_event_signal(&p_cc->cc_poller_wakeup);
728
cl_thread_destroy(&p_cc->cc_poller);
730
cl_spinlock_acquire(&p_cc->mad_queue_lock);
732
while (!cl_is_qlist_empty(&p_cc->mad_queue)) {
733
p_madw = (osm_madw_t *) cl_qlist_remove_head(&p_cc->mad_queue);
734
osm_mad_pool_put(p_cc->mad_pool, p_madw);
737
cl_spinlock_release(&p_cc->mad_queue_lock);
739
cl_spinlock_destroy(&p_cc->mad_queue_lock);
741
cl_event_destroy(&p_cc->cc_poller_wakeup);
742
cl_event_destroy(&p_cc->outstanding_mads_done_event);
743
cl_event_destroy(&p_cc->sig_mads_on_wire_continue);
745
OSM_LOG_EXIT(p_cc->log);
added
removed
opensm/osm_congestion_control.c
