summaryrefslogtreecommitdiffstats
path: root/src/stateless/cp/trex_stateless_port.h
blob: ba86a279454338214be4e88de64c66dbeef2af67 (plain)
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
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
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
452
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
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
/*
 Itay Marom
 Cisco Systems, Inc.
*/

/*
Copyright (c) 2015-2016 Cisco Systems, Inc.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#ifndef __TREX_STATELESS_PORT_H__
#define __TREX_STATELESS_PORT_H__

#include "common/basic_utils.h"
#include "internal_api/trex_platform_api.h"
#include "trex_dp_port_events.h"
#include "trex_stream.h"

class TrexStatelessCpToDpMsgBase;
class TrexStatelessCpToRxMsgBase;
class TrexStreamsGraphObj;
class TrexPortMultiplier;

/**
 * TRex port owner can perform
 * write commands
 * while port is owned - others can
 * do read only commands
 *
 */
class TrexPortOwner {
public:

    TrexPortOwner();

    /**
     * is port free to acquire
     */
    bool is_free() {
        return m_is_free;
    }

    void release() {
        m_is_free = true;
        m_owner_name = "";
        m_handler = "";
        m_session_id = 0;
    }

    bool is_owned_by(const std::string &user) {
        return ( !m_is_free && (m_owner_name == user) );
    }

    void own(const std::string &owner_name, uint32_t session_id) {

        /* save user data */
        m_owner_name = owner_name;
        m_session_id = session_id;

        /* internal data */
        m_handler = utl_generate_random_str(m_seed, 8);
        m_is_free = false;
    }

    bool verify(const std::string &handler) {
        return ( (!m_is_free) && (m_handler == handler) );
    }

    const std::string &get_name() {
        return (!m_is_free ? m_owner_name : g_unowned_name);
    }

    const std::string &get_handler() {
        return (!m_is_free ? m_handler : g_unowned_handler);
    }

    const uint32_t get_session_id() {
        return m_session_id;
    }

private:

    /* is this port owned by someone ? */
    bool         m_is_free;

    /* user provided info */
    std::string  m_owner_name;

    /* which session of the user holds this port*/
    uint32_t     m_session_id;

    /* handler genereated internally */
    std::string  m_handler;

    /* seed for generating random values */
    unsigned int m_seed;

    /* just references defaults... */
    static const std::string g_unowned_name;
    static const std::string g_unowned_handler;
};


class AsyncStopEvent;

/**
 * describes a stateless port
 *
 * @author imarom (31-Aug-15)
 */
class TrexStatelessPort {
    friend TrexDpPortEvents;
    friend TrexDpPortEvent;
    friend AsyncStopEvent;

public:

    /**
     * port state
     */
    enum port_state_e {
        PORT_STATE_DOWN     = 0x1,
        PORT_STATE_IDLE     = 0x2,
        PORT_STATE_STREAMS  = 0x4,
        PORT_STATE_TX       = 0x8,
        PORT_STATE_PAUSE    = 0x10,
        PORT_STATE_PCAP_TX  = 0x20,
    };

    /**
     * describess different error codes for port operations
     */
    enum rc_e {
        RC_OK,
        RC_ERR_BAD_STATE_FOR_OP,
        RC_ERR_NO_STREAMS,
        RC_ERR_FAILED_TO_COMPILE_STREAMS
    };


    TrexStatelessPort(uint8_t port_id, const TrexPlatformApi *api);

    ~TrexStatelessPort();

    /**
     * acquire port
     * throws TrexException in case of an error
     */
    void acquire(const std::string &user, uint32_t session_id, bool force = false);

    /**
     * release the port from the current user
     * throws TrexException in case of an error
     */
    void release(void);

    /**
     * validate the state of the port before start
     * it will return a stream graph
     * containing information about the streams
     * configured on this port
     *
     * on error it throws TrexException
     */
    const TrexStreamsGraphObj *validate(void);

    /**
     * start traffic
     * throws TrexException in case of an error
     */
    void start_traffic(const TrexPortMultiplier &mul, double duration, bool force = false, uint64_t core_mask = UINT64_MAX);

    /**
     * stop traffic
     * throws TrexException in case of an error
     */
    void stop_traffic(void);

    /**
     * remove all RX filters 
     * valid only when port is stopped 
     * 
     * @author imarom (28-Mar-16)
     */
    void remove_rx_filters(void);

    /**
     * pause traffic
     * throws TrexException in case of an error
     */
    void pause_traffic(void);

    /**
     * resume traffic
     * throws TrexException in case of an error
     */
    void resume_traffic(void);

    /**
     * update current traffic on port
     *
     */
    void update_traffic(const TrexPortMultiplier &mul, bool force);

    /**
     * push a PCAP file onto the port
     * 
     */
    void push_remote(const std::string &pcap_filename,
                     double ipg_usec,
                     double speedup,
                     uint32_t count,
                     double duration);

    /**
     * get the port state
     *
     */
    port_state_e get_state() const {
        return m_port_state;
    }

    /**
     * return true if the port is active
     * (paused is considered active)
     */
    bool is_active() const;

    /**
     * port state as string
     *
     */
    std::string get_state_as_string() const;

    /**
     * the the max stream id currently assigned
     *
     */
    int get_max_stream_id() const;

    /**
     * fill up properties of the port
     *
     * @author imarom (16-Sep-15)
     *
     * @param driver
     * @param speed
     */
    void get_properties(std::string &driver, uint32_t &speed);



    /**
     * encode stats as JSON
     */
    void encode_stats(Json::Value &port);

    uint8_t get_port_id() {
        return m_port_id;
    }

    /**
     * delegators
     *
     */

    void add_stream(TrexStream *stream);
    void remove_stream(TrexStream *stream);
    void remove_and_delete_all_streams();

    TrexStream * get_stream_by_id(uint32_t stream_id) {
        return m_stream_table.get_stream_by_id(stream_id);
    }

    int get_stream_count() {
        return m_stream_table.size();
    }

    void get_id_list(std::vector<uint32_t> &id_list) {
        m_stream_table.get_id_list(id_list);
    }

    void get_object_list(std::vector<TrexStream *> &object_list) {
        m_stream_table.get_object_list(object_list);
    }

    TrexDpPortEvents & get_dp_events() {
        return m_dp_events;
    }


    /**
     * returns the number of DP cores linked to this port
     *
     */
    uint8_t get_dp_core_count() {
        return m_cores_id_list.size();
    }

    /**
     * returns the traffic multiplier currently being used by the DP
     *
     */
    double get_multiplier() {
        return (m_factor);
    }

    /**
     * get port speed in bits per second
     *
     */
    uint64_t get_port_speed_bps() const;

    /**
     * return RX caps
     *
     */
    int get_rx_caps() const {
        return m_rx_caps;
    }

    uint16_t get_rx_count_num() const {
        return m_rx_count_num;
    }

    /**
     * return true if port adds CRC to a packet (not occurs for
     * VNICs)
     *
     * @author imarom (24-Feb-16)
     *
     * @return bool
     */
    bool has_crc_added() const {
        return m_api_info.has_crc;
    }

    TrexPortOwner & get_owner() {
        return m_owner;
    }


    /**
     * get the port effective rate (on a started / paused port)
     *
     * @author imarom (07-Jan-16)
     *
     */
    void get_port_effective_rate(double &pps,
                                 double &bps_L1,
                                 double &bps_L2,
                                 double &percentage);


    /**
     * set port promiscuous on/off
     *
     * @param enabled
     */
    void set_promiscuous(bool enabled);
    bool get_promiscuous();

    void get_macaddr(std::string &hw_macaddr,
                     std::string &src_macaddr,
                     std::string &dst_macaddr);

    void get_pci_info(std::string &pci_addr, int &numa_node);


private:

    bool is_core_active(int core_id);

    const std::vector<uint8_t> get_core_id_list () {
        return m_cores_id_list;
    }

    bool verify_state(int state, bool should_throw = true) const;

    void change_state(port_state_e new_state);

    std::string generate_handler();

    /**
     * send message to all cores using duplicate
     *
     */
    void send_message_to_all_dp(TrexStatelessCpToDpMsgBase *msg, bool send_to_active_only = false);

    /**
     * send message to specific DP core
     *
     */
    void send_message_to_dp(uint8_t core_id, TrexStatelessCpToDpMsgBase *msg);

    /**
     * send message to specific RX core
     *
     */
    void send_message_to_rx(TrexStatelessCpToRxMsgBase *msg);

    /**
     * when a port stops, perform various actions
     *
     */
    void common_port_stop_actions(bool async);

    /**
     * calculate effective M per core
     *
     */
    double calculate_effective_factor(const TrexPortMultiplier &mul, bool force = false);
    double calculate_effective_factor_internal(const TrexPortMultiplier &mul);


    /**
     * generates a graph of streams graph
     *
     */
    void generate_streams_graph();

    /**
     * dispose of it
     *
     * @author imarom (26-Nov-15)
     */
    void delete_streams_graph();


    TrexStreamTable    m_stream_table;
    uint8_t            m_port_id;
    port_state_e       m_port_state;

    TrexPlatformApi::intf_info_st m_api_info;

    uint16_t           m_rx_count_num;
    uint16_t           m_rx_caps;

    /* holds the DP cores associated with this port */
    std::vector<uint8_t>   m_cores_id_list;

    bool               m_last_all_streams_continues;
    double             m_last_duration;
    double             m_factor;

    TrexDpPortEvents   m_dp_events;

    /* holds a graph of streams rate*/
    const TrexStreamsGraphObj  *m_graph_obj;

    /* owner information */
    TrexPortOwner       m_owner;

    int m_pending_async_stop_event;
};


/**
 * port multiplier object
 *
 */
class TrexPortMultiplier {
public:


    /**
     * defines the type of multipler passed to start
     */
    enum mul_type_e {
        MUL_FACTOR,
        MUL_BPS,
        MUL_BPSL1,
        MUL_PPS,
        MUL_PERCENTAGE
    };

    /**
     * multiplier can be absolute value
     * increment value or subtract value
     */
    enum mul_op_e {
        OP_ABS,
        OP_ADD,
        OP_SUB
    };


    TrexPortMultiplier(mul_type_e type, mul_op_e op, double value) {
        m_type   = type;
        m_op     = op;
        m_value  = value;
    }

    TrexPortMultiplier(const std::string &type_str, const std::string &op_str, double value);


public:
    static const std::initializer_list<std::string> g_types;
    static const std::initializer_list<std::string> g_ops;

    mul_type_e   m_type;
    mul_op_e     m_op;
    double       m_value;
};

#endif /* __TREX_STATELESS_PORT_H__ */