nfapi_vnf.c 44.9 KB
Newer Older
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292

#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include <pthread.h>
#include <stdlib.h>
#include <stdint.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>

#include "nfapi_interface.h"
#include "nfapi_vnf_interface.h"
#include "nfapi.h"
#include "vendor_ext.h"

#include "nfapi_vnf.h"


#include "common/ran_context.h"
//#include "openair1/PHY/vars.h"
extern RAN_CONTEXT_t RC;

typedef struct 
{
	//public:
		uint8_t enabled;
		uint32_t rx_port;
		uint32_t tx_port;
		//std::string tx_addr;
		char tx_addr[80];
} udp_data;

//class phy_info
//DJP
typedef struct 
{
#if 0
	public:

		phy_info()
			: first_subframe_ind(0), fapi(0),
			  dl_ues_per_subframe(0), ul_ues_per_subframe(0), 
			  timing_window(0), timing_info_mode(0), timing_info_period(0)
		{
			index = 0;
			id = 0;

			local_port = 0;
			remote_addr = 0;
			remote_port = 0;
	
			duplex_mode = 0;
			dl_channel_bw_support = 0;
			ul_channel_bw_support = 0;
			num_dl_layers_supported = 0;
			num_ul_layers_supported = 0;
			release_supported = 0;
			nmm_modes_supported = 0;
		}
#endif

		uint16_t index;
		uint16_t id;
		//std::vector<uint8_t> rfs;
		//std::vector<uint8_t> excluded_rfs;
		uint8_t rfs[2];
		uint8_t excluded_rfs[2];

		udp_data udp;

		//std::string local_addr;
		char local_addr[80];
		int local_port;

		char* remote_addr;
		int remote_port;

		uint8_t duplex_mode;
		uint16_t dl_channel_bw_support;
		uint16_t ul_channel_bw_support;
		uint8_t num_dl_layers_supported;
		uint8_t num_ul_layers_supported;
		uint16_t release_supported;
		uint8_t nmm_modes_supported;

		uint8_t dl_ues_per_subframe;
		uint8_t ul_ues_per_subframe;

		uint8_t first_subframe_ind;

		// timing information recevied from the vnf
		uint8_t timing_window;
		uint8_t timing_info_mode;
		uint8_t timing_info_period;

    // DJP
		//fapi_t* fapi;

} phy_info;

//class rf_info
//DJP
typedef struct 
{
	//public:
		uint16_t index;
		uint16_t band;
		int16_t max_transmit_power;
		int16_t min_transmit_power;
		uint8_t num_antennas_supported;
		uint32_t min_downlink_frequency;
		uint32_t max_downlink_frequency;
		uint32_t max_uplink_frequency;
		uint32_t min_uplink_frequency;
} rf_info;


//class pnf_info
//DJP
typedef struct 
{
#if 0
	public:

		pnf_info() 
		: release(13), wireshark_test_mode(0),
		  max_total_power(0), oui(0)
					
		{
			release = 0;
	
			sync_mode = 0;
			location_mode = 0;
			dl_config_timing = 0;
			ul_config_timing = 0;
			tx_timing = 0;
			hi_dci0_timing = 0;
	
			max_phys = 0;
			max_total_bw = 0;
			max_total_dl_layers = 0;
			max_total_ul_layers = 0;
			shared_bands = 0;
			shared_pa = 0;
			
		}
#endif

		int release;
		//DJPstd::vector<phy_info> phys;
		//std::vector<rf_info> rfs;
		phy_info phys[2];
		rf_info rfs[2];

		uint8_t sync_mode;
		uint8_t location_mode;
		uint8_t location_coordinates[6];
		uint32_t dl_config_timing;
		uint32_t ul_config_timing;
		uint32_t tx_timing;
		uint32_t hi_dci0_timing;

		uint16_t max_phys;
		uint16_t max_total_bw;
		uint16_t max_total_dl_layers;
		uint16_t max_total_ul_layers;
		uint8_t shared_bands;
		uint8_t shared_pa;
		int16_t max_total_power;
		uint8_t oui;
		
		uint8_t wireshark_test_mode;

} pnf_info;

typedef struct mac mac_t;

typedef struct mac
{
	void* user_data;

	void (*dl_config_req)(mac_t* mac, nfapi_dl_config_request_t* req);
	void (*ul_config_req)(mac_t* mac, nfapi_ul_config_request_t* req);
	void (*hi_dci0_req)(mac_t* mac, nfapi_hi_dci0_request_t* req);
	void (*tx_req)(mac_t* mac, nfapi_tx_request_t* req);
} mac_t;

//class vnf_p7_info
typedef struct 
{
	//public:

#if 0
		vnf_p7_info()
			: thread_started(false), 
			  config(nfapi_vnf_p7_config_create(), 
				     [] (nfapi_vnf_p7_config_t* f) { nfapi_vnf_p7_config_destory(f); }),
			  mac(0)
		{
			local_port = 0;
			
			timing_window = 0;
			periodic_timing_enabled = 0;
			aperiodic_timing_enabled = 0;
			periodic_timing_period = 0;
			
			//config = nfapi_vnf_p7_config_create();
		}
		
		vnf_p7_info(const vnf_p7_info& other)  = default;
		
		vnf_p7_info(vnf_p7_info&& other) = default;
		
		vnf_p7_info& operator=(const vnf_p7_info&) = default;
		
		vnf_p7_info& operator=(vnf_p7_info&&) = default;
		
		
		
		virtual	~vnf_p7_info()
		{
			//NFAPI_TRACE(NFAPI_TRACE_INFO, "*** vnf_p7_info delete ***\n");
			
			//nfapi_vnf_p7_config_destory(config);
			
			// should we delete the mac?
		}
#endif
		

		int local_port;
		//DJP std::string local_addr;
		char local_addr[80];

		unsigned timing_window;
		unsigned periodic_timing_enabled;
		unsigned aperiodic_timing_enabled;
		unsigned periodic_timing_period;

		// This is not really the right place if we have multiple PHY, 
		// should be part of the phy struct
		udp_data udp;

		uint8_t thread_started;

		nfapi_vnf_p7_config_t* config;
		//std::shared_ptr<nfapi_vnf_p7_config_t> config;

		mac_t* mac;

} vnf_p7_info;

//class vnf_info
typedef struct
{
	//public:
	
		uint8_t wireshark_test_mode;

		//std::map<uint16_t, pnf_info> pnfs;
		pnf_info pnfs[2];

		//std::vector<vnf_p7_info> p7_vnfs;
		vnf_p7_info p7_vnfs[2];
} vnf_info;

int vnf_pack_vendor_extension_tlv(void* ve, uint8_t **ppWritePackedMsg, uint8_t *end, nfapi_p4_p5_codec_config_t* codec)
{
  //NFAPI_TRACE(NFAPI_TRACE_INFO, "vnf_pack_vendor_extension_tlv\n");
  nfapi_tl_t* tlv = (nfapi_tl_t*)ve;
  switch(tlv->tag)
  {
    case VENDOR_EXT_TLV_2_TAG:
      {
        //NFAPI_TRACE(NFAPI_TRACE_INFO, "Packing VENDOR_EXT_TLV_2\n");
        vendor_ext_tlv_2* ve = (vendor_ext_tlv_2*)tlv;
        if(!push32(ve->dummy, ppWritePackedMsg, end))
          return 0;
        return 1;
      }
      break;
  }
  return -1;
}
int vnf_unpack_vendor_extension_tlv(nfapi_tl_t* tl, uint8_t **ppReadPackedMessage, uint8_t *end, void** ve, nfapi_p4_p5_codec_config_t* codec)
{
  return -1;
}

void install_schedule_handlers(IF_Module_t *if_inst);
extern int single_thread_flag;
293
extern void init_eNB_afterRU(void);
294
extern uint16_t sf_ahead;
295
296
297

void oai_create_enb(void)
{
298
299
  int bodge_counter=0;
  PHY_VARS_eNB *eNB = RC.eNB[0][0];
300

301
  printf("[VNF] RC.eNB[0][0]. Mod_id:%d CC_id:%d nb_CC[0]:%d abstraction_flag:%d single_thread_flag:%d td:%p te:%p if_inst:%p\n", eNB->Mod_id, eNB->CC_id, RC.nb_CC[0], eNB->abstraction_flag, eNB->single_thread_flag, eNB->td, eNB->te, eNB->if_inst);
302

303
304
305
306
307
308
  eNB->Mod_id  = bodge_counter;
  eNB->CC_id   = bodge_counter;
  eNB->abstraction_flag   = 0;
  eNB->single_thread_flag = 0;//single_thread_flag;
  eNB->td                   = ulsch_decoding_data;//(single_thread_flag==1) ? ulsch_decoding_data_2thread : ulsch_decoding_data;
  eNB->te                   = dlsch_encoding;//(single_thread_flag==1) ? dlsch_encoding_2threads : dlsch_encoding;
309

310
311
312
313
  RC.nb_CC[bodge_counter] = 1;

  if (eNB->if_inst==0) {
    eNB->if_inst = IF_Module_init(bodge_counter);
314
315
316
317
318
  }

  // This will cause phy_config_request to be installed. That will result in RRC configuring the PHY
  // that will result in eNB->configured being set to TRUE.
  // See we need to wait for that to happen otherwise the NFAPI message exchanges won't contain the right parameter values
319
  if (RC.eNB[0][0]->if_inst==0 || RC.eNB[0][0]->if_inst->PHY_config_req==0 || RC.eNB[0][0]->if_inst->schedule_response==0)
320
  {
321
    printf("RC.eNB[0][0]->if_inst->PHY_config_req is not installed - install it\n");
322
323
324
325
326
327
328
    install_schedule_handlers(RC.eNB[0][0]->if_inst);
  }

  do {
    printf("%s() Waiting for eNB to become configured (by RRC/PHY) - need to wait otherwise NFAPI messages won't contain correct values\n", __FUNCTION__);
    usleep(50000);
  } while(eNB->configured != 1);
329
  printf("%s() eNB is now configured\n", __FUNCTION__);
330
331
332
333
}

void oai_enb_init(void)
{
334
  printf("%s() About to call init_eNB_afterRU()\n", __FUNCTION__);
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
  init_eNB_afterRU();
}

int pnf_connection_indication_cb(nfapi_vnf_config_t* config, int p5_idx)
{
  printf("[VNF] pnf connection indication idx:%d\n", p5_idx);

  //pnf_info pnf;
  //vnf_info* vnf = (vnf_info*)(config->user_data);
  //vnf->pnfs.insert(std::pair<uint16_t, pnf_info>(p5_idx, pnf));

  oai_create_enb();

  nfapi_pnf_param_request_t req;
  memset(&req, 0, sizeof(req));
  req.header.message_id = NFAPI_PNF_PARAM_REQUEST;
  nfapi_vnf_pnf_param_req(config, p5_idx, &req);
  return 0;
}

int pnf_disconnection_indication_cb(nfapi_vnf_config_t* config, int p5_idx)
{
  printf("[VNF] pnf disconnection indication idx:%d\n", p5_idx);

  vnf_info* vnf = (vnf_info*)(config->user_data);
#if 0
  auto find_result = vnf->pnfs.find(p5_idx);

  if(find_result != vnf->pnfs.end())
  {
    pnf_info& pnf = find_result->second;

    for(phy_info& phy : pnf.phys)
    {
      vnf_p7_info& p7_vnf = vnf->p7_vnfs[0];
      nfapi_vnf_p7_del_pnf((p7_vnf.config.get()), phy.id);
    }
  }
#else
  pnf_info *pnf = vnf->pnfs;
  phy_info *phy = pnf->phys;

  vnf_p7_info* p7_vnf = vnf->p7_vnfs;
  // DJP nfapi_vnf_p7_del_pnf((p7_vnf->config.get()), phy->id);
  nfapi_vnf_p7_del_pnf((p7_vnf->config), phy->id);
#endif

  return 0;
}

int pnf_param_resp_cb(nfapi_vnf_config_t* config, int p5_idx, nfapi_pnf_param_response_t* resp)
{
  printf("[VNF] pnf param response idx:%d error:%d\n", p5_idx, resp->error_code);

  vnf_info* vnf = (vnf_info*)(config->user_data);

#if 0
  auto find_result = vnf->pnfs.find(p5_idx);
  if(find_result != vnf->pnfs.end())
  {
    pnf_info& pnf = find_result->second;
#else
    {
      pnf_info *pnf = vnf->pnfs;
#endif

      for(int i = 0; i < resp->pnf_phy.number_of_phys; ++i)
      {
        phy_info phy;
        phy.index = resp->pnf_phy.phy[i].phy_config_index;

        printf("[VNF] (PHY:%d) phy_config_idx:%d\n", i, resp->pnf_phy.phy[i].phy_config_index);

        nfapi_vnf_allocate_phy(config, p5_idx, &(phy.id));

        for(int j = 0; j < resp->pnf_phy.phy[i].number_of_rfs; ++j)
        {
          printf("[VNF] (PHY:%d) (RF%d) %d\n", i, j, resp->pnf_phy.phy[i].rf_config[j].rf_config_index);
          phy.rfs[0] = resp->pnf_phy.phy[i].rf_config[j].rf_config_index;
        }

        pnf->phys[0] = phy;
      }

      for(int i = 0; i < resp->pnf_rf.number_of_rfs; ++i)
      {
        rf_info rf;
        rf.index = resp->pnf_rf.rf[i].rf_config_index;

        printf("[VNF] (RF:%d) rf_config_idx:%d\n", i, resp->pnf_rf.rf[i].rf_config_index);

        pnf->rfs[0] = rf;
    }

    nfapi_pnf_config_request_t req;
    memset(&req, 0, sizeof(req));
    req.header.message_id = NFAPI_PNF_CONFIG_REQUEST;

    req.pnf_phy_rf_config.tl.tag = NFAPI_PNF_PHY_RF_TAG;
    req.pnf_phy_rf_config.number_phy_rf_config_info = 2; // DJP pnf.phys.size();
    printf("DJP:Hard coded num phy rf to 2\n");

    // DJP for(unsigned i = 0; i < pnf.phys.size(); ++i)
    for(unsigned i = 0; i < 2; ++i)
    {
      req.pnf_phy_rf_config.phy_rf_config[i].phy_id = pnf->phys[i].id;
      req.pnf_phy_rf_config.phy_rf_config[i].phy_config_index = pnf->phys[i].index;
      req.pnf_phy_rf_config.phy_rf_config[i].rf_config_index = pnf->phys[i].rfs[0];
    }

    nfapi_vnf_pnf_config_req(config, p5_idx, &req);
  }
  return 0;
}

int pnf_config_resp_cb(nfapi_vnf_config_t* config, int p5_idx, nfapi_pnf_config_response_t* resp)
{
452
  printf("[VNF] pnf config response idx:%d resp[header[phy_id:%u message_id:%02x message_length:%u]]\n", p5_idx, resp->header.phy_id, resp->header.message_id, resp->header.message_length);
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495

  if(1)
  {
    //vnf_info* vnf = (vnf_info*)(config->user_data);
#if 0
    auto find_result = vnf->pnfs.find(p5_idx);
    if(find_result != vnf->pnfs.end())
    {
      //pnf_info& pnf = find_result->second;
    }
#else
      nfapi_pnf_start_request_t req;
      memset(&req, 0, sizeof(req));
      req.header.phy_id = resp->header.phy_id;
      req.header.message_id = NFAPI_PNF_START_REQUEST;
      nfapi_vnf_pnf_start_req(config, p5_idx, &req);
#endif
  }
  else
  {
    // Rather than send the pnf_start_request we will demonstrate
    // sending a vendor extention message. The start request will be
    // send when the vendor extension response is received 

    //vnf_info* vnf = (vnf_info*)(config->user_data);
    vendor_ext_p5_req req;
    memset(&req, 0, sizeof(req));
    req.header.message_id = P5_VENDOR_EXT_REQ;
    req.dummy1 = 45;
    req.dummy2 = 1977;
    nfapi_vnf_vendor_extension(config, p5_idx, &req.header);
  }
  return 0;
}

int wake_eNB_rxtx(PHY_VARS_eNB *eNB, uint16_t sfn, uint16_t sf)
{
  eNB_proc_t *proc=&eNB->proc;

  eNB_rxtx_proc_t *proc_rxtx=&proc->proc_rxtx[sf&1];

  LTE_DL_FRAME_PARMS *fp = &eNB->frame_parms;

496
497
  //printf("%s(eNB:%p, sfn:%d, sf:%d)\n", __FUNCTION__, eNB, sfn, sf);

498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
  //int i;
  struct timespec wait;

  wait.tv_sec=0;
  wait.tv_nsec=5000000L;

#if 0
  /* accept some delay in processing - up to 5ms */
  for (i = 0; i < 10 && proc_rxtx->instance_cnt_rxtx == 0; i++) {
    LOG_W( PHY,"[eNB] sfn/sf:%d:%d proc_rxtx[%d]:TXsfn:%d/%d eNB RXn-TXnp4 thread busy!! (cnt_rxtx %i)\n", sfn, sf, sf&1, proc_rxtx->frame_tx, proc_rxtx->subframe_tx, proc_rxtx->instance_cnt_rxtx);
    usleep(500);
  }
  if (proc_rxtx->instance_cnt_rxtx == 0) {
    exit_fun( "TX thread busy" );
    return(-1);
  }
#endif

516
  // wake up TX for subframe n+sf_ahead
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
  // lock the TX mutex and make sure the thread is ready
  if (pthread_mutex_timedlock(&proc_rxtx->mutex_rxtx,&wait) != 0) {
    LOG_E( PHY, "[eNB] ERROR pthread_mutex_lock for eNB RXTX thread %d (IC %d)\n", proc_rxtx->subframe_rx&1,proc_rxtx->instance_cnt_rxtx );
    exit_fun( "error locking mutex_rxtx" );
    return(-1);
  }

  {
    static uint16_t old_sf = 0;
    static uint16_t old_sfn = 0;

    proc->subframe_rx = old_sf;
    proc->frame_rx = old_sfn;

    // Try to be 1 frame back
    old_sf = sf;
    old_sfn = sfn;

535
    if (old_sf == 0 && old_sfn % 100==0) LOG_W( PHY,"[eNB] sfn/sf:%d%d old_sfn/sf:%d%d proc[rx:%d%d]\n", sfn, sf, old_sfn, old_sf, proc->frame_rx, proc->subframe_rx);
536
537
538
539
540
541
542
543
544
545
  }

  ++proc_rxtx->instance_cnt_rxtx;

  //LOG_E( PHY,"[VNF-subframe_ind] sfn/sf:%d:%d proc[frame_rx:%d subframe_rx:%d] proc_rxtx->instance_cnt_rxtx:%d \n", sfn, sf, proc->frame_rx, proc->subframe_rx, proc_rxtx->instance_cnt_rxtx);

  // We have just received and processed the common part of a subframe, say n.
  // TS_rx is the last received timestamp (start of 1st slot), TS_tx is the desired
  // transmitted timestamp of the next TX slot (first).
  // The last (TS_rx mod samples_per_frame) was n*samples_per_tti,
546
547
548
  // we want to generate subframe (n+N), so TS_tx = TX_rx+N*samples_per_tti,
  // and proc->subframe_tx = proc->subframe_rx+sf_ahead
  proc_rxtx->timestamp_tx = proc->timestamp_rx + (sf_ahead*fp->samples_per_tti);
549
550
  proc_rxtx->frame_rx     = proc->frame_rx;
  proc_rxtx->subframe_rx  = proc->subframe_rx;
551
552
  proc_rxtx->frame_tx     = (proc_rxtx->subframe_rx > (9-sf_ahead)) ? (proc_rxtx->frame_rx+1)&1023 : proc_rxtx->frame_rx;
  proc_rxtx->subframe_tx  = (proc_rxtx->subframe_rx + sf_ahead)%10;
553

554
  LOG_D(PHY, "sfn/sf:%d%d proc[rx:%d%d] proc_rxtx[instance_cnt_rxtx:%d rx:%d%d] About to wake rxtx thread\n\n", sfn, sf, proc->frame_rx, proc->subframe_rx, proc_rxtx->instance_cnt_rxtx, proc_rxtx->frame_rx, proc_rxtx->subframe_rx);
555

556
557
558
559
560
561
562
  // the thread can now be woken up
  if (pthread_cond_signal(&proc_rxtx->cond_rxtx) != 0) {
    LOG_E( PHY, "[eNB] ERROR pthread_cond_signal for eNB RXn-TXnp4 thread\n");
    exit_fun( "ERROR pthread_cond_signal" );
    return(-1);
  }

563
  //LOG_D(PHY,"%s() About to attempt pthread_mutex_unlock\n", __FUNCTION__);
564
  pthread_mutex_unlock( &proc_rxtx->mutex_rxtx );
565
  //LOG_D(PHY,"%s() UNLOCKED pthread_mutex_unlock\n", __FUNCTION__);
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600

  return(0);
}

extern pthread_cond_t nfapi_sync_cond;
extern pthread_mutex_t nfapi_sync_mutex;
extern int nfapi_sync_var;

int phy_sync_indication(struct nfapi_vnf_p7_config* config, uint8_t sync)
{
  //vnf_p7_info* p7_vnf = (vnf_p7_info*)(config->user_data);

  printf("[VNF] SYNC %s\n", sync==1 ? "ACHIEVED" : "LOST");
  
  if (1)
  {
    if (sync==1 && nfapi_sync_var!=0)
    {

      printf("[VNF] Signal to OAI main code that it can go\n");
      pthread_mutex_lock(&nfapi_sync_mutex);
      nfapi_sync_var=0;
      pthread_cond_broadcast(&nfapi_sync_cond);
      pthread_mutex_unlock(&nfapi_sync_mutex);
    }
  }

  return(0);
}

int phy_subframe_indication(struct nfapi_vnf_p7_config* config, uint16_t phy_id, uint16_t sfn_sf)
{
  static uint8_t first_time = 1;
  if (first_time)
  {
601
    printf("[VNF] subframe indication %d\n", NFAPI_SFNSF2DEC(sfn_sf));
602
603
604
605
606
607
608
    first_time = 0;
  }

  // vnf_p7_info* p7_vnf = (vnf_p7_info*)(config->user_data);
  //mac_subframe_ind(p7_vnf->mac, phy_id, sfn_sf);

#if 1
609
610
  //if (RC.eNB) printf("RC.eNB[0][0]->configured:%d\n", RC.eNB[0][0]->configured);

611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
  if (RC.eNB && RC.eNB[0][0]->configured)
  {
    uint16_t sfn = NFAPI_SFNSF2SFN(sfn_sf);
    uint16_t sf = NFAPI_SFNSF2SF(sfn_sf);

    //LOG_E(PHY,"[VNF] subframe indication sfn_sf:%d sfn:%d sf:%d\n", sfn_sf, sfn, sf);

    wake_eNB_rxtx(RC.eNB[0][0], sfn, sf);
  }
  else
  {
    printf("[VNF] %s() RC.eNB:%p\n", __FUNCTION__, RC.eNB);
    if (RC.eNB) printf("RC.eNB[0][0]->configured:%d\n", RC.eNB[0][0]->configured);
  }
#endif

  return 0;
}

630
631
int phy_rach_indication(struct nfapi_vnf_p7_config* config, nfapi_rach_indication_t* ind)
{
632
  LOG_E(MAC, "%s() NFAPI SFN/SF:%d number_of_preambles:%u\n", __FUNCTION__, NFAPI_SFNSF2DEC(ind->sfn_sf), ind->rach_indication_body.number_of_preambles);
633
634
635

  struct PHY_VARS_eNB_s *eNB = RC.eNB[0][0];

636
  printf("[VNF] RACH_IND eNB:%p sfn_sf:%d number_of_preambles:%d\n", eNB, NFAPI_SFNSF2DEC(ind->sfn_sf), ind->rach_indication_body.number_of_preambles);
637

638
639
  pthread_mutex_lock(&eNB->UL_INFO_mutex);

640
641
  eNB->UL_INFO.rach_ind = *ind;
  eNB->UL_INFO.rach_ind.rach_indication_body.preamble_list                       = eNB->preamble_list;
642

David Price's avatar
David Price committed
643
  for (int i=0;i<ind->rach_indication_body.number_of_preambles;i++)
644
  {
645
646
647
648
649
650
651
652
653
    if (ind->rach_indication_body.preamble_list[i].preamble_rel8.tl.tag == NFAPI_PREAMBLE_REL8_TAG)
    {
      printf("preamble[%d]: rnti:%02x preamble:%d timing_advance:%d\n", 
          i,
          ind->rach_indication_body.preamble_list[i].preamble_rel8.rnti,
          ind->rach_indication_body.preamble_list[i].preamble_rel8.preamble,
          ind->rach_indication_body.preamble_list[i].preamble_rel8.timing_advance
          );
    }
654

655
656
657
658
    if(ind->rach_indication_body.preamble_list[i].preamble_rel13.tl.tag == NFAPI_PREAMBLE_REL13_TAG)
    {
      printf("RACH PREAMBLE REL13 present\n");
    }
659

660
661
    eNB->preamble_list[i] = ind->rach_indication_body.preamble_list[i];
  }
662
663
  pthread_mutex_unlock(&eNB->UL_INFO_mutex);

664

665
666
667
668
669
  // vnf_p7_info* p7_vnf = (vnf_p7_info*)(config->user_data);
  //mac_rach_ind(p7_vnf->mac, ind);
  return 1;
}

670
671
int phy_harq_indication(struct nfapi_vnf_p7_config* config, nfapi_harq_indication_t* ind)
{
672
673
  struct PHY_VARS_eNB_s *eNB = RC.eNB[0][0];

David Price's avatar
David Price committed
674
  LOG_D(MAC, "%s() NFAPI SFN/SF:%d number_of_harqs:%u\n", __FUNCTION__, NFAPI_SFNSF2DEC(ind->sfn_sf), ind->harq_indication_body.number_of_harqs);
675
676
677
678
679

  pthread_mutex_lock(&eNB->UL_INFO_mutex);

  eNB->UL_INFO.harq_ind = *ind;
  eNB->UL_INFO.harq_ind.harq_indication_body.harq_pdu_list = eNB->harq_pdu_list;
680
681
682

  for (int i=0; i<ind->harq_indication_body.number_of_harqs; i++)
  {
683
    memcpy(&eNB->UL_INFO.harq_ind.harq_indication_body.harq_pdu_list[i], &ind->harq_indication_body.harq_pdu_list[i], sizeof(eNB->UL_INFO.harq_ind.harq_indication_body.harq_pdu_list[i]));
684
685
  }

686
687
  pthread_mutex_unlock(&eNB->UL_INFO_mutex);

688
689
690
  // vnf_p7_info* p7_vnf = (vnf_p7_info*)(config->user_data);
  //mac_harq_ind(p7_vnf->mac, ind);
  return 1;
691
692
693
694
}

int phy_crc_indication(struct nfapi_vnf_p7_config* config, nfapi_crc_indication_t* ind)
{
695
696
697
698
699
700
701
702
703
704
705
706
  struct PHY_VARS_eNB_s *eNB = RC.eNB[0][0];

  pthread_mutex_lock(&eNB->UL_INFO_mutex);

  eNB->UL_INFO.crc_ind = *ind;

  nfapi_crc_indication_t *dest_ind = &eNB->UL_INFO.crc_ind;
  nfapi_crc_indication_pdu_t *dest_pdu_list = eNB->crc_pdu_list;

  *dest_ind = *ind;
  dest_ind->crc_indication_body.crc_pdu_list = dest_pdu_list;

707
708
  if (ind->crc_indication_body.number_of_crcs==0)
    LOG_E(MAC, "%s() NFAPI SFN/SF:%d IND:number_of_crcs:%u UL_INFO:crcs:%d\n", __FUNCTION__, NFAPI_SFNSF2DEC(ind->sfn_sf), ind->crc_indication_body.number_of_crcs, eNB->UL_INFO.crc_ind.crc_indication_body.number_of_crcs);
709
710
711

  for (int i=0; i<ind->crc_indication_body.number_of_crcs; i++)
  {
712
713
    memcpy(&dest_ind->crc_indication_body.crc_pdu_list[i], &ind->crc_indication_body.crc_pdu_list[i], sizeof(ind->crc_indication_body.crc_pdu_list[0]));

714
    LOG_D(MAC, "%s() NFAPI SFN/SF:%d CRC_IND:number_of_crcs:%u UL_INFO:crcs:%d PDU[%d] rnti:%04x UL_INFO:rnti:%04x\n", 
715
        __FUNCTION__,
716
        NFAPI_SFNSF2DEC(ind->sfn_sf), ind->crc_indication_body.number_of_crcs, eNB->UL_INFO.crc_ind.crc_indication_body.number_of_crcs,
717
718
719
720
721
722
723
724
725
        i, 
        ind->crc_indication_body.crc_pdu_list[i].rx_ue_information.rnti, 
        eNB->UL_INFO.crc_ind.crc_indication_body.crc_pdu_list[i].rx_ue_information.rnti);

  }

  pthread_mutex_unlock(&eNB->UL_INFO_mutex);

  // vnf_p7_info* p7_vnf = (vnf_p7_info*)(config->user_data);
726
	//mac_crc_ind(p7_vnf->mac, ind);
727
  return 1;
728
}
729

730
731
int phy_rx_indication(struct nfapi_vnf_p7_config* config, nfapi_rx_indication_t* ind)
{
732
733
  struct PHY_VARS_eNB_s *eNB = RC.eNB[0][0];

734
735
736
737
  if (ind->rx_indication_body.number_of_pdus==0)
  {
    LOG_E(MAC, "%s() NFAPI SFN/SF:%d number_of_pdus:%u\n", __FUNCTION__, NFAPI_SFNSF2DEC(ind->sfn_sf), ind->rx_indication_body.number_of_pdus);
  }
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758

  pthread_mutex_lock(&eNB->UL_INFO_mutex);

  nfapi_rx_indication_t *dest_ind = &eNB->UL_INFO.rx_ind;
  nfapi_rx_indication_pdu_t *dest_pdu_list = eNB->rx_pdu_list;

  *dest_ind = *ind;
  dest_ind->rx_indication_body.rx_pdu_list = dest_pdu_list;

  for(int i=0; i<ind->rx_indication_body.number_of_pdus; i++)
  {
    nfapi_rx_indication_pdu_t *dest_pdu = &dest_ind->rx_indication_body.rx_pdu_list[i];
    nfapi_rx_indication_pdu_t *src_pdu = &ind->rx_indication_body.rx_pdu_list[i];

    memcpy(dest_pdu, src_pdu, sizeof(*src_pdu));

    // DJP - TODO FIXME - intentional memory leak
    dest_pdu->data = malloc(dest_pdu->rx_indication_rel8.length);

    memcpy(dest_pdu->data, src_pdu->data, dest_pdu->rx_indication_rel8.length);

759
    LOG_E(PHY, "%s() NFAPI SFN/SF:%d PDUs:%d [PDU:%d] handle:%d rnti:%04x length:%d offset:%d ul_cqi:%d ta:%d data:%p\n",
760
        __FUNCTION__,
761
        NFAPI_SFNSF2DEC(ind->sfn_sf), ind->rx_indication_body.number_of_pdus, i,
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
        dest_pdu->rx_ue_information.handle,
        dest_pdu->rx_ue_information.rnti,
        dest_pdu->rx_indication_rel8.length,
        dest_pdu->rx_indication_rel8.offset,
        dest_pdu->rx_indication_rel8.ul_cqi,
        dest_pdu->rx_indication_rel8.timing_advance,
        dest_pdu->data
        );
  }

  pthread_mutex_unlock(&eNB->UL_INFO_mutex);

  // vnf_p7_info* p7_vnf = (vnf_p7_info*)(config->user_data);
  //mac_rx_ind(p7_vnf->mac, ind);
  return 1;
777
778
779
780
781
782
783
784
785
}
int phy_srs_indication(struct nfapi_vnf_p7_config* config, nfapi_srs_indication_t* ind)
{
	// vnf_p7_info* p7_vnf = (vnf_p7_info*)(config->user_data);
	//mac_srs_ind(p7_vnf->mac, ind);
	return 1;
}
int phy_sr_indication(struct nfapi_vnf_p7_config* config, nfapi_sr_indication_t* ind)
{
786
787
788

  struct PHY_VARS_eNB_s *eNB = RC.eNB[0][0];

789
  LOG_D(MAC, "%s() NFAPI SFN/SF:%d srs:%d\n", __FUNCTION__, NFAPI_SFNSF2DEC(ind->sfn_sf), ind->sr_indication_body.number_of_srs);
790
791
792
793

  pthread_mutex_lock(&eNB->UL_INFO_mutex);

  nfapi_sr_indication_t *dest_ind = &eNB->UL_INFO.sr_ind;
794
  nfapi_sr_indication_pdu_t *dest_pdu_list = eNB->sr_pdu_list;
795
796
797
798

  *dest_ind = *ind;
  dest_ind->sr_indication_body.sr_pdu_list = dest_pdu_list;

David Price's avatar
David Price committed
799
  LOG_D(MAC,"%s() eNB->UL_INFO.sr_ind.sr_indication_body.number_of_srs:%d\n", __FUNCTION__, eNB->UL_INFO.sr_ind.sr_indication_body.number_of_srs);
David Price's avatar
David Price committed
800

801
  for (int i=0;i<eNB->UL_INFO.sr_ind.sr_indication_body.number_of_srs;i++)
802
803
804
805
  {
    nfapi_sr_indication_pdu_t *dest_pdu = &dest_ind->sr_indication_body.sr_pdu_list[i];
    nfapi_sr_indication_pdu_t *src_pdu = &ind->sr_indication_body.sr_pdu_list[i];

David Price's avatar
David Price committed
806
    LOG_D(MAC, "SR_IND[PDU:%d][rnti:%x cqi:%d channel:%d]\n", i, src_pdu->rx_ue_information.rnti, src_pdu->ul_cqi_information.ul_cqi, src_pdu->ul_cqi_information.channel);
David Price's avatar
David Price committed
807

808
809
810
811
812
813
814
815
    memcpy(dest_pdu, src_pdu, sizeof(*src_pdu));
  }

  pthread_mutex_unlock(&eNB->UL_INFO_mutex);

  // vnf_p7_info* p7_vnf = (vnf_p7_info*)(config->user_data);
  //mac_sr_ind(p7_vnf->mac, ind);
  return 1;
816
}
817

818
819
int phy_cqi_indication(struct nfapi_vnf_p7_config* config, nfapi_cqi_indication_t* ind)
{
820
821
822
823
824
825
826
827
828
829
830
831
832
  // vnf_p7_info* p7_vnf = (vnf_p7_info*)(config->user_data);
  //mac_cqi_ind(p7_vnf->mac, ind);
  struct PHY_VARS_eNB_s *eNB = RC.eNB[0][0];

  LOG_E(MAC, "%s() NFAPI SFN/SF:%d number_of_cqis:%u\n", __FUNCTION__, NFAPI_SFNSF2DEC(ind->sfn_sf), ind->cqi_indication_body.number_of_cqis);

  pthread_mutex_lock(&eNB->UL_INFO_mutex);

  eNB->UL_INFO.cqi_ind = ind->cqi_indication_body;

  pthread_mutex_unlock(&eNB->UL_INFO_mutex);

  return 1;
833
}
834

835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
int phy_lbt_dl_indication(struct nfapi_vnf_p7_config* config, nfapi_lbt_dl_indication_t* ind)
{
	// vnf_p7_info* p7_vnf = (vnf_p7_info*)(config->user_data);
	//mac_lbt_dl_ind(p7_vnf->mac, ind);
	return 1;
}
int phy_nb_harq_indication(struct nfapi_vnf_p7_config* config, nfapi_nb_harq_indication_t* ind)
{
	// vnf_p7_info* p7_vnf = (vnf_p7_info*)(config->user_data);
	//mac_nb_harq_ind(p7_vnf->mac, ind);
	return 1;
}
int phy_nrach_indication(struct nfapi_vnf_p7_config* config, nfapi_nrach_indication_t* ind)
{
	// vnf_p7_info* p7_vnf = (vnf_p7_info*)(config->user_data);
	//mac_nrach_ind(p7_vnf->mac, ind);
	return 1;
}

void* vnf_allocate(size_t size)
{
	//return (void*)memory_pool::allocate(size);
	return (void*)malloc(size);
}

void vnf_deallocate(void* ptr)
{
	//memory_pool::deallocate((uint8_t*)ptr);
	free(ptr);
}

David Price's avatar
David Price committed
866
867
extern void nfapi_log(char *file, char *func, int line, int comp, int level, const char* format, va_list args);
void vnf_trace(nfapi_trace_level_t nfapi_level, const char* message, ...)
868
{
David Price's avatar
David Price committed
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
#if 1

  va_list    args;
  int oai_level;

  if (nfapi_level==NFAPI_TRACE_ERROR)
  {
    oai_level = LOG_ERR;
  }
  else if (nfapi_level==NFAPI_TRACE_WARN)
  {
    oai_level = LOG_WARNING;
  }
  else if (nfapi_level==NFAPI_TRACE_NOTE)
  {
    oai_level = LOG_INFO;
  }
  else if (nfapi_level==NFAPI_TRACE_INFO)
  {
    oai_level = LOG_INFO;
  }
  else
  {
    oai_level = LOG_INFO;
  }

  va_start(args, message);
  nfapi_log("FILE>", "FUNC", 999, PHY, oai_level, message, args);
  va_end(args);
#else
  va_list args;
  va_start(args, message);
  vprintf(message, args);
  va_end(args);
#endif
904
905
906
907
908
909
910
911
912
913
914
}

int phy_vendor_ext(struct nfapi_vnf_p7_config* config, nfapi_p7_message_header_t* msg)
{
	if(msg->message_id == P7_VENDOR_EXT_IND)
	{
		//vendor_ext_p7_ind* ind = (vendor_ext_p7_ind*)msg;
		//printf("[VNF] vendor_ext (error_code:%d)\n", ind->error_code);
	}
	else
	{
915
		printf("[VNF] unknown %02x\n", msg->message_id);
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
	}
	return 0;
}

nfapi_p7_message_header_t* phy_allocate_p7_vendor_ext(uint16_t message_id, uint16_t* msg_size)
{
	if(message_id == P7_VENDOR_EXT_IND)
	{
		*msg_size = sizeof(vendor_ext_p7_ind);
		return (nfapi_p7_message_header_t*)malloc(sizeof(vendor_ext_p7_ind));
	}
	return 0;
}

void phy_deallocate_p7_vendor_ext(nfapi_p7_message_header_t* header)
{
	free(header);
}

/// maybe these should be in the mac file...
int phy_unpack_vendor_extension_tlv(nfapi_tl_t* tl, uint8_t **ppReadPackedMessage, uint8_t *end, void** ve, nfapi_p7_codec_config_t* codec)
{
	(void)tl;
	(void)ppReadPackedMessage;
	(void)ve;
	return -1;
}

int phy_pack_vendor_extension_tlv(void* ve, uint8_t **ppWritePackedMsg, uint8_t *end, nfapi_p7_codec_config_t* codec)
{
	//NFAPI_TRACE(NFAPI_TRACE_INFO, "phy_pack_vendor_extension_tlv\n");

	nfapi_tl_t* tlv = (nfapi_tl_t*)ve;
	switch(tlv->tag)
	{
		case VENDOR_EXT_TLV_1_TAG:
			{
				//NFAPI_TRACE(NFAPI_TRACE_INFO, "Packing VENDOR_EXT_TLV_1\n");
				vendor_ext_tlv_1* ve = (vendor_ext_tlv_1*)tlv;
				if(!push32(ve->dummy, ppWritePackedMsg, end))
					return 0;
				return 1;
			}
			break;
		default:
			return -1;
			break;
	}
}

int phy_unpack_p7_vendor_extension(nfapi_p7_message_header_t* header, uint8_t** ppReadPackedMessage, uint8_t *end, nfapi_p7_codec_config_t* config)
{
	//NFAPI_TRACE(NFAPI_TRACE_INFO, "%s\n", __FUNCTION__);
	if(header->message_id == P7_VENDOR_EXT_IND)
	{
		vendor_ext_p7_ind* req = (vendor_ext_p7_ind*)(header);
		if(!pull16(ppReadPackedMessage, &req->error_code, end))
			return 0;
	}
	return 1;
}

int phy_pack_p7_vendor_extension(nfapi_p7_message_header_t* header, uint8_t** ppWritePackedMsg, uint8_t *end, nfapi_p7_codec_config_t* config)
{
	//NFAPI_TRACE(NFAPI_TRACE_INFO, "%s\n", __FUNCTION__);
	if(header->message_id == P7_VENDOR_EXT_REQ)
	{
		//NFAPI_TRACE(NFAPI_TRACE_INFO, "%s\n", __FUNCTION__);
		vendor_ext_p7_req* req = (vendor_ext_p7_req*)(header);
		if(!(push16(req->dummy1, ppWritePackedMsg, end) &&
			 push16(req->dummy2, ppWritePackedMsg, end)))
			return 0;
	}
	return 1;
}

int vnf_pack_p4_p5_vendor_extension(nfapi_p4_p5_message_header_t* header, uint8_t** ppWritePackedMsg, uint8_t *end, nfapi_p4_p5_codec_config_t* codec)
{
	//NFAPI_TRACE(NFAPI_TRACE_INFO, "%s\n", __FUNCTION__);
	if(header->message_id == P5_VENDOR_EXT_REQ)
	{
		vendor_ext_p5_req* req = (vendor_ext_p5_req*)(header);
		//NFAPI_TRACE(NFAPI_TRACE_INFO, "%s %d %d\n", __FUNCTION__, req->dummy1, req->dummy2);
		return (!(push16(req->dummy1, ppWritePackedMsg, end) &&
				  push16(req->dummy2, ppWritePackedMsg, end)));
	}
	return 0;
}

static pthread_t vnf_start_pthread;
static pthread_t vnf_p7_start_pthread;
void* vnf_p7_start_thread(void *ptr)
{
  printf("%s()\n", __FUNCTION__);

  nfapi_vnf_p7_config_t* config = (nfapi_vnf_p7_config_t*)ptr;

  nfapi_vnf_p7_start(config);

  return config;
}

void set_thread_priority(int priority);

void* vnf_p7_thread_start(void* ptr)
{
	set_thread_priority(79);

	vnf_p7_info* p7_vnf = (vnf_p7_info*)ptr;

	p7_vnf->config->port = p7_vnf->local_port;
	p7_vnf->config->sync_indication = &phy_sync_indication;
	p7_vnf->config->subframe_indication = &phy_subframe_indication;
	p7_vnf->config->harq_indication = &phy_harq_indication;
	p7_vnf->config->crc_indication = &phy_crc_indication;
	p7_vnf->config->rx_indication = &phy_rx_indication;
	p7_vnf->config->rach_indication = &phy_rach_indication;
	p7_vnf->config->srs_indication = &phy_srs_indication;
	p7_vnf->config->sr_indication = &phy_sr_indication;
	p7_vnf->config->cqi_indication = &phy_cqi_indication;
	p7_vnf->config->lbt_dl_indication = &phy_lbt_dl_indication;
	p7_vnf->config->nb_harq_indication = &phy_nb_harq_indication;
	p7_vnf->config->nrach_indication = &phy_nrach_indication;
	p7_vnf->config->malloc = &vnf_allocate;
	p7_vnf->config->free = &vnf_deallocate;

	p7_vnf->config->trace = &vnf_trace;

	p7_vnf->config->vendor_ext = &phy_vendor_ext;
	p7_vnf->config->user_data = p7_vnf;

	p7_vnf->mac->user_data = p7_vnf;

	p7_vnf->config->codec_config.unpack_p7_vendor_extension = &phy_unpack_p7_vendor_extension;
	p7_vnf->config->codec_config.pack_p7_vendor_extension = &phy_pack_p7_vendor_extension;
	p7_vnf->config->codec_config.unpack_vendor_extension_tlv = &phy_unpack_vendor_extension_tlv;
	p7_vnf->config->codec_config.pack_vendor_extension_tlv = &phy_pack_vendor_extension_tlv;
	p7_vnf->config->codec_config.allocate = &vnf_allocate;
	p7_vnf->config->codec_config.deallocate = &vnf_deallocate;

	p7_vnf->config->allocate_p7_vendor_ext = &phy_allocate_p7_vendor_ext;
	p7_vnf->config->deallocate_p7_vendor_ext = &phy_deallocate_p7_vendor_ext;

        {
          NFAPI_TRACE(NFAPI_TRACE_INFO, "[VNF] Creating VNF NFAPI start thread %s\n", __FUNCTION__);
          pthread_create(&vnf_p7_start_pthread, NULL, &vnf_p7_start_thread, p7_vnf->config);
        }
	return 0;
}

int pnf_start_resp_cb(nfapi_vnf_config_t* config, int p5_idx, nfapi_pnf_start_response_t* resp)
{
  vnf_info* vnf = (vnf_info*)(config->user_data);
  vnf_p7_info *p7_vnf = vnf->p7_vnfs;

  printf("[VNF] pnf start response idx:%d config:%p user_data:%p p7_vnf[config:%p thread_started:%d]\n", p5_idx, config, config->user_data, vnf->p7_vnfs[0].config, vnf->p7_vnfs[0].thread_started);

  if(p7_vnf->thread_started == 0)
  {
    pthread_t vnf_p7_thread;
    pthread_create(&vnf_p7_thread, NULL, &vnf_p7_thread_start, p7_vnf);
    p7_vnf->thread_started = 1;
  }
  else
  {
    // P7 thread already running. 
  }

  // start all the phys in the pnf.

#if 0
  auto find_result = vnf->pnfs.find(p5_idx);
  if(find_result != vnf->pnfs.end())
  {
    pnf_info& pnf = find_result->second;

    for(unsigned i = 0; i < pnf.phys.size(); ++i)
    {
      pnf_info& pnf = find_result->second;
    }
  }
#else
  {
    pnf_info *pnf = vnf->pnfs;
    nfapi_param_request_t req;

    printf("[VNF] Sending NFAPI_PARAM_REQUEST phy_id:%d\n", pnf->phys[0].id);

    memset(&req, 0, sizeof(req));
    req.header.message_id = NFAPI_PARAM_REQUEST;
    req.header.phy_id = pnf->phys[0].id;

    nfapi_vnf_param_req(config, p5_idx, &req);
  }
#endif

  return 0;
}

extern uint32_t to_earfcn(int eutra_bandP,uint32_t dl_CarrierFreq,uint32_t bw);

int param_resp_cb(nfapi_vnf_config_t* config, int p5_idx, nfapi_param_response_t* resp)
{
  printf("[VNF] Received NFAPI_PARAM_RESP idx:%d phy_id:%d\n", p5_idx, resp->header.phy_id);

  vnf_info* vnf = (vnf_info*)(config->user_data);

#if 0
  auto find_result = vnf->pnfs.find(p5_idx);
  if(find_result != vnf->pnfs.end())
  {
    pnf_info& pnf = find_result->second;

    auto found = std::find_if(pnf.phys.begin(), pnf.phys.end(), [&](phy_info& item)
        { return item.id == resp->header.phy_id; });

    if(found != pnf.phys.end())
    {
      phy_info& phy = (*found);
#else
  pnf_info *pnf = vnf->pnfs;
  phy_info *phy = pnf->phys;
  {
    {
#endif

      phy->remote_port = resp->nfapi_config.p7_pnf_port.value;

      struct sockaddr_in pnf_p7_sockaddr;
      memcpy(&pnf_p7_sockaddr.sin_addr.s_addr, &(resp->nfapi_config.p7_pnf_address_ipv4.address[0]), 4);

      phy->remote_addr = inet_ntoa(pnf_p7_sockaddr.sin_addr);

      // for now just 1
      vnf_p7_info *p7_vnf = vnf->p7_vnfs;

      printf("[VNF] %d.%d pnf p7 %s:%d timing %d %d %d %d\n", p5_idx, phy->id, phy->remote_addr, phy->remote_port, p7_vnf->timing_window, p7_vnf->periodic_timing_period, p7_vnf->aperiodic_timing_enabled, p7_vnf->periodic_timing_period);

      nfapi_config_request_t *req = &RC.mac[0]->config[0];

      //memset(&req, 0, sizeof(req));
      req->header.message_id = NFAPI_CONFIG_REQUEST;
      req->header.phy_id = phy->id;

      printf("[VNF] Send NFAPI_CONFIG_REQUEST\n");

      req->nfapi_config.p7_vnf_port.tl.tag = NFAPI_NFAPI_P7_VNF_PORT_TAG;
      req->nfapi_config.p7_vnf_port.value = p7_vnf->local_port;
      req->num_tlv++;

printf("[VNF] DJP local_port:%d\n", p7_vnf->local_port);

      req->nfapi_config.p7_vnf_address_ipv4.tl.tag = NFAPI_NFAPI_P7_VNF_ADDRESS_IPV4_TAG;
      struct sockaddr_in vnf_p7_sockaddr;
      vnf_p7_sockaddr.sin_addr.s_addr = inet_addr(p7_vnf->local_addr);
      memcpy(&(req->nfapi_config.p7_vnf_address_ipv4.address[0]), &vnf_p7_sockaddr.sin_addr.s_addr, 4);
      req->num_tlv++;
printf("[VNF] DJP local_addr:%s\n", p7_vnf->local_addr);

      req->nfapi_config.timing_window.tl.tag = NFAPI_NFAPI_TIMING_WINDOW_TAG;
      req->nfapi_config.timing_window.value = p7_vnf->timing_window;
1177
printf("[VNF] Timing window:%d\n", p7_vnf->timing_window);
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
      req->num_tlv++;

      if(p7_vnf->periodic_timing_enabled || p7_vnf->aperiodic_timing_enabled)
      {
        req->nfapi_config.timing_info_mode.tl.tag = NFAPI_NFAPI_TIMING_INFO_MODE_TAG;
        req->nfapi_config.timing_info_mode.value = (p7_vnf->aperiodic_timing_enabled << 1) | (p7_vnf->periodic_timing_enabled);
        req->num_tlv++;

        if(p7_vnf->periodic_timing_enabled)
        {
          req->nfapi_config.timing_info_period.tl.tag = NFAPI_NFAPI_TIMING_INFO_PERIOD_TAG;
          req->nfapi_config.timing_info_period.value = p7_vnf->periodic_timing_period;
          req->num_tlv++;
        }
      }

      vendor_ext_tlv_2 ve2;
      memset(&ve2, 0, sizeof(ve2));
      ve2.tl.tag = VENDOR_EXT_TLV_2_TAG;
      ve2.dummy = 2016;
      req->vendor_extension = &ve2.tl;

      nfapi_vnf_config_req(config, p5_idx, req);
      printf("[VNF] Sent NFAPI_CONFIG_REQ num_tlv:%u\n",req->num_tlv);
    }
#if 0
    else
    {
      printf("[VNF] param response failed to find pnf %d phy %d\n", p5_idx, resp->header.phy_id);
    }
#endif
  }
#if 0
  else
  {
    printf("[VNF] param response failed to find pnf %d\n", p5_idx);
  }
#endif

  return 0;
}

int config_resp_cb(nfapi_vnf_config_t* config, int p5_idx, nfapi_config_response_t* resp)
{
  nfapi_start_request_t req;

  printf("[VNF] Received NFAPI_CONFIG_RESP idx:%d phy_id:%d\n", p5_idx, resp->header.phy_id);

  printf("[VNF] Calling oai_enb_init()\n");
  oai_enb_init();

  memset(&req, 0, sizeof(req));
  req.header.message_id = NFAPI_START_REQUEST;
  req.header.phy_id = resp->header.phy_id;
  nfapi_vnf_start_req(config, p5_idx, &req);

  printf("[VNF] Send NFAPI_START_REQUEST idx:%d phy_id:%d\n", p5_idx, resp->header.phy_id);

  return 0;
}

int start_resp_cb(nfapi_vnf_config_t* config, int p5_idx, nfapi_start_response_t* resp)
{
  printf("[VNF] Received NFAPI_START_RESP idx:%d phy_id:%d\n", p5_idx, resp->header.phy_id);

  vnf_info* vnf = (vnf_info*)(config->user_data);

#if 0
  auto find_result = vnf->pnfs.find(p5_idx);
  if(find_result != vnf->pnfs.end())
  {
    pnf_info& pnf = find_result->second;


    auto found = std::find_if(pnf.phys.begin(), pnf.phys.end(), [&](phy_info& item)
        { return item.id == resp->header.phy_id; });

    if(found != pnf.phys.end())
    {
      phy_info& phy = (*found);

      vnf_p7_info& p7_vnf = vnf->p7_vnfs[0];

      nfapi_vnf_p7_add_pnf((p7_vnf.config.get()), phy.remote_addr.c_str(), phy.remote_port, phy.id);

    }
  }
#else
  pnf_info *pnf = vnf->pnfs;
  phy_info *phy = pnf->phys;
  vnf_p7_info *p7_vnf = vnf->p7_vnfs;
  nfapi_vnf_p7_add_pnf((p7_vnf->config), phy->remote_addr, phy->remote_port, phy->id);


#if 0
  {
    extern pthread_cond_t nfapi_sync_cond;
    extern pthread_mutex_t nfapi_sync_mutex;
    extern int nfapi_sync_var;

    printf("[VNF] Signal to OAI main code that it can go\n");
    pthread_mutex_lock(&nfapi_sync_mutex);
    nfapi_sync_var=0;
    pthread_cond_broadcast(&nfapi_sync_cond);
    pthread_mutex_unlock(&nfapi_sync_mutex);
  }
#endif

#endif

  return 0;
}

int vendor_ext_cb(nfapi_vnf_config_t* config, int p5_idx, nfapi_p4_p5_message_header_t* msg)
{
  printf("[VNF] %s\n", __FUNCTION__);

  switch(msg->message_id)
  {
    case P5_VENDOR_EXT_RSP:
      {
        vendor_ext_p5_rsp* rsp = (vendor_ext_p5_rsp*)msg;
        printf("[VNF] P5_VENDOR_EXT_RSP error_code:%d\n", rsp->error_code);

        // send the start request

        nfapi_pnf_start_request_t req;
        memset(&req, 0, sizeof(req));
        req.header.message_id = NFAPI_PNF_START_REQUEST;
        nfapi_vnf_pnf_start_req(config, p5_idx, &req);
      }
      break;
  }

  return 0;
}

int vnf_unpack_p4_p5_vendor_extension(nfapi_p4_p5_message_header_t* header, uint8_t** ppReadPackedMessage, uint8_t *end, nfapi_p4_p5_codec_config_t* codec)
{
  //NFAPI_TRACE(NFAPI_TRACE_INFO, "%s\n", __FUNCTION__);
  if(header->message_id == P5_VENDOR_EXT_RSP)
  {
    vendor_ext_p5_rsp* req = (vendor_ext_p5_rsp*)(header);
    return(!pull16(ppReadPackedMessage, &req->error_code, end));
  }
  return 0;
}

nfapi_p4_p5_message_header_t* vnf_allocate_p4_p5_vendor_ext(uint16_t message_id, uint16_t* msg_size)
{
  if(message_id == P5_VENDOR_EXT_RSP)
  {
    *msg_size = sizeof(vendor_ext_p5_rsp);
    return (nfapi_p4_p5_message_header_t*)malloc(sizeof(vendor_ext_p5_rsp));
  }
  return 0;
}

void vnf_deallocate_p4_p5_vendor_ext(nfapi_p4_p5_message_header_t* header)
{
  free(header);
}

nfapi_vnf_config_t *config = 0;

void vnf_start_thread(void* ptr)
{
  NFAPI_TRACE(NFAPI_TRACE_INFO, "[VNF] VNF NFAPI thread - nfapi_vnf_start()%s\n", __FUNCTION__);

  config = (nfapi_vnf_config_t*)ptr;

  nfapi_vnf_start(config);
}

static vnf_info vnf;
1353
extern uint8_t nfapi_mode;
1354
1355
1356
/*------------------------------------------------------------------------------*/
void configure_nfapi_vnf(char *vnf_addr, int vnf_p5_port)
{
1357
  nfapi_mode = 2;
1358

1359
1360
1361
1362
1363
1364
  memset(&vnf, 0, sizeof(vnf));

  memset(vnf.p7_vnfs, 0, sizeof(vnf.p7_vnfs));

  vnf.p7_vnfs[0].timing_window = 32;
  vnf.p7_vnfs[0].periodic_timing_enabled = 1;
1365
  vnf.p7_vnfs[0].aperiodic_timing_enabled = 1;
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
  vnf.p7_vnfs[0].periodic_timing_period = 10;

  vnf.p7_vnfs[0].config = nfapi_vnf_p7_config_create();
  NFAPI_TRACE(NFAPI_TRACE_INFO, "[VNF] %s() vnf.p7_vnfs[0].config:%p VNF ADDRESS:%s:%d\n", __FUNCTION__, vnf.p7_vnfs[0].config, vnf_addr, vnf_p5_port);

  strcpy(vnf.p7_vnfs[0].local_addr, vnf_addr);
  vnf.p7_vnfs[0].local_port = 50001;
  vnf.p7_vnfs[0].mac = (mac_t*)malloc(sizeof(mac_t));

  nfapi_vnf_config_t* config = nfapi_vnf_config_create();

  config->malloc = malloc;
  config->free = free;
  config->trace = &vnf_trace;

  config->vnf_p5_port = vnf_p5_port;
  config->vnf_ipv4 = 1;
  config->vnf_ipv6 = 0;

  config->pnf_list = 0;
  config->phy_list = 0;

  config->pnf_connection_indication = &pnf_connection_indication_cb;
  config->pnf_disconnect_indication = &pnf_disconnection_indication_cb;
  config->pnf_param_resp = &pnf_param_resp_cb;
  config->pnf_config_resp = &pnf_config_resp_cb;
  config->pnf_start_resp = &pnf_start_resp_cb;
  config->param_resp = &param_resp_cb;
  config->config_resp = &config_resp_cb;
  config->start_resp = &start_resp_cb;
  config->vendor_ext = &vendor_ext_cb;

  config->user_data = &vnf;

  // To allow custom vendor extentions to be added to nfapi
  config->codec_config.unpack_vendor_extension_tlv = &vnf_unpack_vendor_extension_tlv;
  config->codec_config.pack_vendor_extension_tlv = &vnf_pack_vendor_extension_tlv;

  config->codec_config.unpack_p4_p5_vendor_extension = &vnf_unpack_p4_p5_vendor_extension;
  config->codec_config.pack_p4_p5_vendor_extension = &vnf_pack_p4_p5_vendor_extension;
  config->allocate_p4_p5_vendor_ext = &vnf_allocate_p4_p5_vendor_ext;
  config->deallocate_p4_p5_vendor_ext = &vnf_deallocate_p4_p5_vendor_ext;
  config->codec_config.allocate = &vnf_allocate;
  config->codec_config.deallocate = &vnf_deallocate;

  {
    NFAPI_TRACE(NFAPI_TRACE_INFO, "[VNF] Creating VNF NFAPI start thread %s\n", __FUNCTION__);
    pthread_create(&vnf_start_pthread, NULL, (void*)&vnf_start_thread, config);
    NFAPI_TRACE(NFAPI_TRACE_INFO, "[VNF] Created VNF NFAPI start thread %s\n", __FUNCTION__);
  }
}

int oai_nfapi_dl_config_req(nfapi_dl_config_request_t *dl_config_req)
{
  nfapi_vnf_p7_config_t *p7_config = vnf.p7_vnfs[0].config;

  dl_config_req->header.phy_id = 1; // DJP HACK TODO FIXME - need to pass this around!!!!
  //dl_config_req->header.message_id = NFAPI_DL_CONFIG_BCH_PDU_TYPE;

1425
  //LOG_D(PHY, "[VNF] %s() header message_id:%02x\n", __FUNCTION__, dl_config_req->header.message_id);
1426

David Price's avatar
David Price committed
1427
  //LOG_D(PHY, "[VNF] %s() DL_CONFIG sfn_sf:%d pdcch:%d dci:%d pdu:%d pdsch_rnti:%d pcfich:%d\n", __FUNCTION__, NFAPI_SFNSF2DEC(dl_config_req->sfn_sf), dl_config_req->dl_config_request_body.number_pdcch_ofdm_symbols, dl_config_req->dl_config_request_body.number_dci, dl_config_req->dl_config_request_body.number_pdu, dl_config_req->dl_config_request_body.number_pdsch_rnti, dl_config_req->dl_config_request_body.transmission_power_pcfich);
1428

1429
1430
  int retval = nfapi_vnf_p7_dl_config_req(p7_config, dl_config_req);

1431
1432
1433
1434
1435
  dl_config_req->dl_config_request_body.number_pdcch_ofdm_symbols           = 1;
  dl_config_req->dl_config_request_body.number_dci                          = 0;
  dl_config_req->dl_config_request_body.number_pdu                          = 0;
  dl_config_req->dl_config_request_body.number_pdsch_rnti                   = 0;

1436
1437
  if (retval!=0)
  {
1438
    LOG_E(PHY, "%s() Problem sending retval:%d\n", __FUNCTION__, retval);
1439
1440
  }
  return retval;
1441
1442
1443
1444
1445
1446
1447
1448
}

int oai_nfapi_tx_req(nfapi_tx_request_t *tx_req)
{
  nfapi_vnf_p7_config_t *p7_config = vnf.p7_vnfs[0].config;

  tx_req->header.phy_id = 1; // DJP HACK TODO FIXME - need to pass this around!!!!

David Price's avatar
David Price committed
1449
  //LOG_D(PHY, "[VNF] %s() TX_REQ sfn_sf:%d number_of_pdus:%d\n", __FUNCTION__, NFAPI_SFNSF2DEC(tx_req->sfn_sf), tx_req->tx_request_body.number_of_pdus);
1450

1451
1452
  int retval = nfapi_vnf_p7_tx_req(p7_config, tx_req);

1453

1454
1455
  if (retval!=0)
  {
1456
1457
1458
1459
1460
    LOG_E(PHY, "%s() Problem sending retval:%d\n", __FUNCTION__, retval);
  }
  else
  {
    tx_req->tx_request_body.number_of_pdus = 0;
1461
1462
  }
  return retval;
1463
}
1464
1465
1466
1467
1468
1469
1470

int oai_nfapi_hi_dci0_req(nfapi_hi_dci0_request_t *hi_dci0_req)
{
  nfapi_vnf_p7_config_t *p7_config = vnf.p7_vnfs[0].config;

  hi_dci0_req->header.phy_id = 1; // DJP HACK TODO FIXME - need to pass this around!!!!

David Price's avatar
David Price committed
1471
  //LOG_D(PHY, "[VNF] %s() HI_DCI0_REQ sfn_sf:%d dci:%d hi:%d\n", __FUNCTION__, NFAPI_SFNSF2DEC(hi_dci0_req->sfn_sf), hi_dci0_req->hi_dci0_request_body.number_of_dci, hi_dci0_req->hi_dci0_request_body.number_of_hi);
1472
1473
1474

  int retval = nfapi_vnf_p7_hi_dci0_req(p7_config, hi_dci0_req);

1475

1476
1477
  if (retval!=0)
  {
1478
1479
1480
1481
1482
1483
    LOG_E(PHY, "%s() Problem sending retval:%d\n", __FUNCTION__, retval);
  }
  else
  {
    hi_dci0_req->hi_dci0_request_body.number_of_hi = 0;
    hi_dci0_req->hi_dci0_request_body.number_of_dci = 0;
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
  }
  return retval;
}

int oai_nfapi_ul_config_req(nfapi_ul_config_request_t *ul_config_req)
{
  nfapi_vnf_p7_config_t *p7_config = vnf.p7_vnfs[0].config;

  ul_config_req->header.phy_id = 1; // DJP HACK TODO FIXME - need to pass this around!!!!

1494
  //LOG_D(PHY, "[VNF] %s() header message_id:%02x\n", __FUNCTION__, ul_config_req->header.message_id);
1495

David Price's avatar
David Price committed
1496
  //LOG_D(PHY, "[VNF] %s() UL_CONFIG sfn_sf:%d PDUs:%d rach_prach_frequency_resources:%d srs_present:%d\n", __FUNCTION__, NFAPI_SFNSF2DEC(ul_config_req->sfn_sf), ul_config_req->ul_config_request_body.number_of_pdus, ul_config_req->ul_config_request_body.rach_prach_frequency_resources, ul_config_req->ul_config_request_body.srs_present);
1497
1498
1499
1500
1501

  int retval = nfapi_vnf_p7_ul_config_req(p7_config, ul_config_req);

  if (retval!=0)
  {
1502
    LOG_E(PHY, "%s() Problem sending retval:%d\n", __FUNCTION__, retval);
1503
1504
1505
1506
  }
  else
  {
    // Reset number of PDUs so that it is not resent
1507
1508
1509
    ul_config_req->ul_config_request_body.number_of_pdus = 0;
    ul_config_req->ul_config_request_body.rach_prach_frequency_resources = 0;
    ul_config_req->ul_config_request_body.srs_present = 0;
1510
1511
1512
  }
  return retval;
}