aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/softnic/rte_eth_softnic.c
blob: b0c134152fd691ee16c36511631d0a339730bd5a (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

@media only all and (prefers-color-scheme: dark) {
.highlight .hll { background-color: #49483e }
.highlight .c { color: #75715e } /* Comment */
.highlight .err { color: #960050; background-color: #1e0010 } /* Error */
.highlight .k { color: #66d9ef } /* Keyword */
.highlight .l { color: #ae81ff } /* Literal */
.highlight .n { color: #f8f8f2 } /* Name */
.highlight .o { color: #f92672 } /* Operator */
.highlight .p { color: #f8f8f2 } /* Punctuation */
.highlight .ch { color: #75715e } /* Comment.Hashbang */
.highlight .cm { color: #75715e } /* Comment.Multiline */
.highlight .cp { color: #75715e } /* Comment.Preproc */
.highlight .cpf { color: #75715e } /* Comment.PreprocFile */
.highlight .c1 { color: #75715e } /* Comment.Single */
.highlight .cs { color: #75715e } /* Comment.Special */
.highlight .gd { color: #f92672 } /* Generic.Deleted */
.highlight .ge { font-style: italic } /* Generic.Emph */
.highlight .gi { color: #a6e22e } /* Generic.Inserted */
.highlight .gs { font-weight: bold } /* Generic.Strong */
.highlight .gu { color: #75715e } /* Generic.Subheading */
.highlight .kc { color: #66d9ef } /* Keyword.Constant */
.highlight .kd { color: #66d9ef } /* Keyword.Declaration */
.highlight .kn { color: #f92672 } /* Keyword.Namespace */
.highlight .kp { color: #66d9ef } /* Keyword.Pseudo */
.highlight .kr { color: #66d9ef } /* Keyword.Reserved */
.highlight .kt { color: #66d9ef } /* Keyword.Type */
.highlight .ld { color: #e6db74 } /* Literal.Date */
.highlight .m { color: #ae81ff } /* Literal.Number */
.highlight .s { color: #e6db74 } /* Literal.String */
.highlight .na { color: #a6e22e } /* Name.Attribute */
.highlight .nb { color: #f8f8f2 } /* Name.Builtin */
.highlight .nc { color: #a6e22e } /* Name.Class */
.highlight .no { color: #66d9ef } /* Name.Constant */
.highlight .nd { color: #a6e22e } /* Name.Decorator */
.highlight .ni { color: #f8f8f2 } /* Name.Entity */
.highlight .ne { color: #a6e22e } /* Name.Exception */
.highlight .nf { color: #a6e22e } /* Name.Function */
.highlight .nl { color: #f8f8f2 } /* Name.Label */
.highlight .nn { color: #f8f8f2 } /* Name.Namespace */
.highlight .nx { color: #a6e22e } /* Name.Other */
.highlight .py { color: #f8f8f2 } /* Name.Property */
.highlight .nt { color: #f92672 } /* Name.Tag */
.highlight .nv { color: #f8f8f2 } /* Name.Variable */
.highlight .ow { color: #f92672 } /* Operator.Word */
.highlight .w { color: #f8f8f2 } /* Text.Whitespace */
.highlight .mb { color: #ae81ff } /* Literal.Number.Bin */
.highlight .mf { color: #ae81ff } /* Literal.Number.Float */
.highlight .mh { color: #ae81ff } /* Literal.Number.Hex */
.highlight .mi { color: #ae81ff } /* Literal.Number.Integer */
.highlight .mo { color: #ae81ff } /* Literal.Number.Oct */
.highlight .sa { color: #e6db74 } /* Literal.String.Affix */
.highlight .sb { color: #e6db74 } /* Literal.String.Backtick */
.highlight .sc { color: #e6db74 } /* Literal.String.Char */
.highlight .dl { color: #e6db74 } /* Literal.String.Delimiter */
.highlight .sd { color: #e6db74 } /* Literal.String.Doc */
.highlight .s2 { color: #e6db74 } /* Literal.String.Double */
.highlight .se { color: #ae81ff } /* Literal.String.Escape */
.highlight .sh { color: #e6db74 } /* Literal.String.Heredoc */
.highlight .si { color: #e6db74 } /* Literal.String.Interpol */
.highlight .sx { color: #e6db74 } /* Literal.String.Other */
.highlight .sr { color: #e6db74 } /* Literal.String.Regex */
.highlight .s1 { color: #e6db74 } /* Literal.String.Single */
.highlight .ss { color: #e6db74 } /* Literal.String.Symbol */
.highlight .bp { color: #f8f8f2 } /* Name.Builtin.Pseudo */
.highlight .fm { color: #a6e22e } /* Name.Function.Magic */
.highlight .vc { color: #f8f8f2 } /* Name.Variable.Class */
.highlight .vg { color: #f8f8f2 } /* Name.Variable.Global */
.highlight .vi { color: #f8f8f2 } /* Name.Variable.Instance */
.highlight .vm { color: #f8f8f2 } /* Name.Variable.Magic */
.highlight .il { color: #ae81ff } /* Literal.Number.Integer.Long */
}
@media (prefers-color-scheme: light) {
.highlight .hll { background-color: #ffffcc }
.highlight .c { color: #888888 } /* Comment */
.highlight .err { color: #a61717; background-color: #e3d2d2 } /* Error */
.highlight .k { color: #008800; font-weight: bold } /* Keyword */
.highlight .ch { color: #888888 } /* Comment.Hashbang */
.highlight .cm { color: #888888 } /* Comment.Multiline */
.highlight .cp { color: #cc0000; font-weight: bold } /* Comment.Preproc */
.highlight .cpf { color: #888888 } /* Comment.PreprocFile */
.highlight .c1 { color: #888888 } /* Comment.Single */
.highlight .cs { color: #cc0000; font-weight: bold; background-color: #fff0f0 } /* Comment.Special */
.highlight .gd { color: #000000; background-color: #ffdddd } /* Generic.Deleted */
.highlight .ge { font-style: italic } /* Generic.Emph */
.highlight .gr { color: #aa0000 } /* Generic.Error */
.highlight .gh { color: #333333 } /* Generic.Heading */
.highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */
.highlight .go { color: #888888 } /* Generic.Output */
.highlight .gp { color: #555555 } /* Generic.Prompt */
.highlight .gs { font-weight: bold } /* Generic.Strong */
.highlight .gu { color: #666666 } /* Generic.Subheading */
.highlight .gt { color: #aa0000 } /* Generic.Traceback */
.highlight .kc { color: #008800; font-weight: bold } /* Keyword.Constant */
.highlight .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */
.highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */
.highlight .kp { color: #008800 } /* Keyword.Pseudo */
.highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */
.highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */
.highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */
.highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */
.highlight .na { color: #336699 } /* Name.Attribute */
.highlight .nb { color: #003388 } /* Name.Builtin */
.highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */
.highlight .no { color: #003366; font-weight: bold } /* Name.Constant */
.highlight .nd { color: #555555 } /* Name.Decorator */
.highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */
.highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */
.highlight .nl { color: #336699; font-style: italic } /* Name.Label */
.highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */
.highlight .py { color: #336699; font-weight: bold } /* Name.Property */
.highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */
.highlight .nv { color: #336699 } /* Name.Variable */
.highlight .ow { color: #008800 } /* Operator.Word */
.highlight .w { color: #bbbbbb } /* Text.Whitespace */
.highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */
.highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */
.highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */
.highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */
.highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */
.highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */
.highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */
.highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */
.highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */
.highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */
.highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */
.highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */
.highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */
.highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */
.highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */
.highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */
.highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */
.highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */
.highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */
.highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */
.highlight .vc { color: #336699 } /* Name.Variable.Class */
.highlight .vg { color: #dd7700 } /* Name.Variable.Global */
.highlight .vi { color: #3333bb } /* Name.Variable.Instance */
.highlight .vm { color: #336699 } /* Name.Variable.Magic */
.highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */
}
# 3na-spr
## ./crypto
### mellanox-cx7veat
#### mlx5-core
##### ethip4ipsec4tnlsw-ip4base-int-aes128cbc-hmac512sha
1c AND 1518b AND ndrpdr AND 2p1cx7veat AND drv_mlx5_core AND ethip4ipsec4tnlsw-ip4base-int-aes128cbc-hmac512sha
2c AND 1518b AND ndrpdr AND 2p1cx7veat AND drv_mlx5_core AND ethip4ipsec4tnlsw-ip4base-int-aes128cbc-hmac512sha
4c AND 1518b AND ndrpdr AND 2p1cx7veat AND drv_mlx5_core AND ethip4ipsec4tnlsw-ip4base-int-aes128cbc-hmac512sha
1c AND imix AND ndrpdr AND 2p1cx7veat AND drv_mlx5_core AND ethip4ipsec4tnlsw-ip4base-int-aes128cbc-hmac512sha
2c AND imix AND ndrpdr AND 2p1cx7veat AND drv_mlx5_core AND ethip4ipsec4tnlsw-ip4base-int-aes128cbc-hmac512sha
4c AND imix AND ndrpdr AND 2p1cx7veat AND drv_mlx5_core AND ethip4ipsec4tnlsw-ip4base-int-aes128cbc-hmac512sha
##### ethip4ipsec40tnlsw-ip4base-int-aes128cbc-hmac512sha
1c AND 1518b AND ndrpdr AND 2p1cx7veat AND drv_mlx5_core AND ethip4ipsec40tnlsw-ip4base-int-aes128cbc-hmac512sha
2c AND 1518b AND ndrpdr AND 2p1cx7veat AND drv_mlx5_core AND ethip4ipsec40tnlsw-ip4base-int-aes128cbc-hmac512sha
4c AND 1518b AND ndrpdr AND 2p1cx7veat AND drv_mlx5_core AND ethip4ipsec40tnlsw-ip4base-int-aes128cbc-hmac512sha
1c AND imix AND ndrpdr AND 2p1cx7veat AND drv_mlx5_core AND ethip4ipsec40tnlsw-ip4base-int-aes128cbc-hmac512sha
2c AND imix AND ndrpdr AND 2p1cx7veat AND drv_mlx5_core AND ethip4ipsec40tnlsw-ip4base-int-aes128cbc-hmac512sha
4c AND imix AND ndrpdr AND 2p1cx7veat AND drv_mlx5_core AND ethip4ipsec40tnlsw-ip4base-int-aes128cbc-hmac512sha
##### ethip4ipsec4tnlsw-ip4base-int-aes256gcm
1c AND 1518b AND ndrpdr AND 2p1cx7veat AND drv_mlx5_core AND ethip4ipsec4tnlsw-ip4base-int-aes256gcm
2c AND 1518b AND ndrpdr AND 2p1cx7veat AND drv_mlx5_core AND ethip4ipsec4tnlsw-ip4base-int-aes256gcm
4c AND 1518b AND ndrpdr AND 2p1cx7veat AND drv_mlx5_core AND ethip4ipsec4tnlsw-ip4base-int-aes256gcm
1c AND imix AND ndrpdr AND 2p1cx7veat AND drv_mlx5_core AND ethip4ipsec4tnlsw-ip4base-int-aes256gcm
2c AND imix AND ndrpdr AND 2p1cx7veat AND drv_mlx5_core AND ethip4ipsec4tnlsw-ip4base-int-aes256gcm
4c AND imix AND ndrpdr AND 2p1cx7veat AND drv_mlx5_core AND ethip4ipsec4tnlsw-ip4base-int-aes256gcm
##### ethip4ipsec40tnlsw-ip4base-int-aes256gcm
1c AND 1518b AND ndrpdr AND 2p1cx7veat AND drv_mlx5_core AND ethip4ipsec40tnlsw-ip4base-int-aes256gcm
2c AND 1518b AND ndrpdr AND 2p1cx7veat AND drv_mlx5_core AND ethip4ipsec40tnlsw-ip4base-int-aes256gcm
4c AND 1518b AND ndrpdr AND 2p1cx7veat AND drv_mlx5_core AND ethip4ipsec40tnlsw-ip4base-int-aes256gcm
1c AND imix AND ndrpdr AND 2p1cx7veat AND drv_mlx5_core AND ethip4ipsec40tnlsw-ip4base-int-aes256gcm
2c AND imix AND ndrpdr AND 2p1cx7veat AND drv_mlx5_core AND ethip4ipsec40tnlsw-ip4base-int-aes256gcm
4c AND imix AND ndrpdr AND 2p1cx7veat AND drv_mlx5_core AND ethip4ipsec40tnlsw-ip4base-int-aes256gcm
##### ethip4ipsec1000tnlsw-ip4base-int-aes128cbc-hmac512sha
1c AND 1518b AND ndrpdr AND 2p1cx7veat AND drv_mlx5_core AND ethip4ipsec1000tnlsw-ip4base-int-aes128cbc-hmac512sha
2c AND 1518b AND ndrpdr AND 2p1cx7veat AND drv_mlx5_core AND ethip4ipsec1000tnlsw-ip4base-int-aes128cbc-hmac512sha
4c AND 1518b AND ndrpdr AND 2p1cx7veat AND drv_mlx5_core AND ethip4ipsec1000tnlsw-ip4base-int-aes128cbc-hmac512sha
1c AND imix AND ndrpdr AND 2p1cx7veat AND drv_mlx5_core AND ethip4ipsec1000tnlsw-ip4base-int-aes128cbc-hmac512sha
2c AND imix AND ndrpdr AND 2p1cx7veat AND drv_mlx5_core AND ethip4ipsec1000tnlsw-ip4base-int-aes128cbc-hmac512sha
4c AND imix AND ndrpdr AND 2p1cx7veat AND drv_mlx5_core AND ethip4ipsec1000tnlsw-ip4base-int-aes128cbc-hmac512sha
##### ethip4ipsec1000tnlsw-ip4base-int-aes256gcm
1c AND 1518b AND ndrpdr AND 2p1cx7veat AND drv_mlx5_core AND ethip4ipsec1000tnlsw-ip4base-int-aes256gcm
2c AND 1518b AND ndrpdr AND 2p1cx7veat AND drv_mlx5_core AND ethip4ipsec1000tnlsw-ip4base-int-aes256gcm
4c AND 1518b AND ndrpdr AND 2p1cx7veat AND drv_mlx5_core AND ethip4ipsec1000tnlsw-ip4base-int-aes256gcm
1c AND imix AND ndrpdr AND 2p1cx7veat AND drv_mlx5_core AND ethip4ipsec1000tnlsw-ip4base-int-aes256gcm
2c AND imix AND ndrpdr AND 2p1cx7veat AND drv_mlx5_core AND ethip4ipsec1000tnlsw-ip4base-int-aes256gcm
4c AND imix AND ndrpdr AND 2p1cx7veat AND drv_mlx5_core AND ethip4ipsec1000tnlsw-ip4base-int-aes256gcm
##### ethip4ipsec10000tnlsw-ip4base-int-aes128cbc-hmac512sha
1c AND 1518b AND ndrpdr AND 2p1cx7veat AND drv_mlx5_core AND ethip4ipsec10000tnlsw-ip
/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright(c) 2017 Intel Corporation
 */

#include <stdint.h>
#include <stdlib.h>
#include <string.h>

#include <rte_ethdev_driver.h>
#include <rte_ethdev_vdev.h>
#include <rte_malloc.h>
#include <rte_bus_vdev.h>
#include <rte_kvargs.h>
#include <rte_errno.h>
#include <rte_ring.h>
#include <rte_sched.h>
#include <rte_tm_driver.h>

#include "rte_eth_softnic.h"
#include "rte_eth_softnic_internals.h"

#define DEV_HARD(p)					\
	(&rte_eth_devices[p->hard.port_id])

#define PMD_PARAM_SOFT_TM					"soft_tm"
#define PMD_PARAM_SOFT_TM_RATE				"soft_tm_rate"
#define PMD_PARAM_SOFT_TM_NB_QUEUES			"soft_tm_nb_queues"
#define PMD_PARAM_SOFT_TM_QSIZE0			"soft_tm_qsize0"
#define PMD_PARAM_SOFT_TM_QSIZE1			"soft_tm_qsize1"
#define PMD_PARAM_SOFT_TM_QSIZE2			"soft_tm_qsize2"
#define PMD_PARAM_SOFT_TM_QSIZE3			"soft_tm_qsize3"
#define PMD_PARAM_SOFT_TM_ENQ_BSZ			"soft_tm_enq_bsz"
#define PMD_PARAM_SOFT_TM_DEQ_BSZ			"soft_tm_deq_bsz"

#define PMD_PARAM_HARD_NAME					"hard_name"
#define PMD_PARAM_HARD_TX_QUEUE_ID			"hard_tx_queue_id"

static const char *pmd_valid_args[] = {
	PMD_PARAM_SOFT_TM,
	PMD_PARAM_SOFT_TM_RATE,
	PMD_PARAM_SOFT_TM_NB_QUEUES,
	PMD_PARAM_SOFT_TM_QSIZE0,
	PMD_PARAM_SOFT_TM_QSIZE1,
	PMD_PARAM_SOFT_TM_QSIZE2,
	PMD_PARAM_SOFT_TM_QSIZE3,
	PMD_PARAM_SOFT_TM_ENQ_BSZ,
	PMD_PARAM_SOFT_TM_DEQ_BSZ,
	PMD_PARAM_HARD_NAME,
	PMD_PARAM_HARD_TX_QUEUE_ID,
	NULL
};

static const struct rte_eth_dev_info pmd_dev_info = {
	.min_rx_bufsize = 0,
	.max_rx_pktlen = UINT32_MAX,
	.max_rx_queues = UINT16_MAX,
	.max_tx_queues = UINT16_MAX,
	.rx_desc_lim = {
		.nb_max = UINT16_MAX,
		.nb_min = 0,
		.nb_align = 1,
	},
	.tx_desc_lim = {
		.nb_max = UINT16_MAX,
		.nb_min = 0,
		.nb_align = 1,
	},
};

static void
pmd_dev_infos_get(struct rte_eth_dev *dev __rte_unused,
	struct rte_eth_dev_info *dev_info)
{
	memcpy(dev_info, &pmd_dev_info, sizeof(*dev_info));
}

static int
pmd_dev_configure(struct rte_eth_dev *dev)
{
	struct pmd_internals *p = dev->data->dev_private;
	struct rte_eth_dev *hard_dev = DEV_HARD(p);

	if (dev->data->nb_rx_queues > hard_dev->data->nb_rx_queues)
		return -1;

	if (p->params.hard.tx_queue_id >= hard_dev->data->nb_tx_queues)
		return -1;

	return 0;
}

static int
pmd_rx_queue_setup(struct rte_eth_dev *dev,
	uint16_t rx_queue_id,
	uint16_t nb_rx_desc __rte_unused,
	unsigned int socket_id,
	const struct rte_eth_rxconf *rx_conf __rte_unused,
	struct rte_mempool *mb_pool __rte_unused)
{
	struct pmd_internals *p = dev->data->dev_private;

	if (p->params.soft.intrusive == 0) {
		struct pmd_rx_queue *rxq;

		rxq = rte_zmalloc_socket(p->params.soft.name,
			sizeof(struct pmd_rx_queue), 0, socket_id);
		if (rxq == NULL)
			return -ENOMEM;

		rxq->hard.port_id = p->hard.port_id;
		rxq->hard.rx_queue_id = rx_queue_id;
		dev->data->rx_queues[rx_queue_id] = rxq;
	} else {
		struct rte_eth_dev *hard_dev = DEV_HARD(p);
		void *rxq = hard_dev->data->rx_queues[rx_queue_id];

		if (rxq == NULL)
			return -1;

		dev->data->rx_queues[rx_queue_id] = rxq;
	}
	return 0;
}

static int
pmd_tx_queue_setup(struct rte_eth_dev *dev,
	uint16_t tx_queue_id,
	uint16_t nb_tx_desc,
	unsigned int socket_id,
	const struct rte_eth_txconf *tx_conf __rte_unused)
{
	uint32_t size = RTE_ETH_NAME_MAX_LEN + strlen("_txq") + 4;
	char name[size];
	struct rte_ring *r;

	snprintf(name, sizeof(name), "%s_txq%04x",
		dev->data->name, tx_queue_id);
	r = rte_ring_create(name, nb_tx_desc, socket_id,
		RING_F_SP_ENQ | RING_F_SC_DEQ);
	if (r == NULL)
		return -1;

	dev->data->tx_queues[tx_queue_id] = r;
	return 0;
}

static int
pmd_dev_start(struct rte_eth_dev *dev)
{
	struct pmd_internals *p = dev->data->dev_private;

	if (tm_used(dev)) {
		int status = tm_start(p);

		if (status)
			return status;
	}

	dev->data->dev_link.link_status = ETH_LINK_UP;

	if (p->params.soft.intrusive) {
		struct rte_eth_dev *hard_dev = DEV_HARD(p);

		/* The hard_dev->rx_pkt_burst should be stable by now */
		dev->rx_pkt_burst = hard_dev->rx_pkt_burst;
	}

	return 0;
}

static void
pmd_dev_stop(struct rte_eth_dev *dev)
{
	struct pmd_internals *p = dev->data->dev_private;

	dev->data->dev_link.link_status = ETH_LINK_DOWN;

	if (tm_used(dev))
		tm_stop(p);
}

static void
pmd_dev_close(struct rte_eth_dev *dev)
{
	uint32_t i;

	/* TX queues */
	for (i = 0; i < dev->data->nb_tx_queues; i++)
		rte_ring_free((struct rte_ring *)dev->data->tx_queues[i]);
}

static int
pmd_link_update(struct rte_eth_dev *dev __rte_unused,
	int wait_to_complete __rte_unused)
{
	return 0;
}

static int
pmd_tm_ops_get(struct rte_eth_dev *dev, void *arg)
{
	*(const struct rte_tm_ops **)arg =
		(tm_enabled(dev)) ? &pmd_tm_ops : NULL;

	return 0;
}

static const struct eth_dev_ops pmd_ops = {
	.dev_configure = pmd_dev_configure,
	.dev_start = pmd_dev_start,
	.dev_stop = pmd_dev_stop,
	.dev_close = pmd_dev_close,
	.link_update = pmd_link_update,
	.dev_infos_get = pmd_dev_infos_get,
	.rx_queue_setup = pmd_rx_queue_setup,
	.tx_queue_setup = pmd_tx_queue_setup,
	.tm_ops_get = pmd_tm_ops_get,
};

static uint16_t
pmd_rx_pkt_burst(void *rxq,
	struct rte_mbuf **rx_pkts,
	uint16_t nb_pkts)
{
	struct pmd_rx_queue *rx_queue = rxq;

	return rte_eth_rx_burst(rx_queue->hard.port_id,
		rx_queue->hard.rx_queue_id,
		rx_pkts,
		nb_pkts);
}

static uint16_t
pmd_tx_pkt_burst(void *txq,
	struct rte_mbuf **tx_pkts,
	uint16_t nb_pkts)
{
	return (uint16_t)rte_ring_enqueue_burst(txq,
		(void **)tx_pkts,
		nb_pkts,
		NULL);
}

static __rte_always_inline int
run_default(struct rte_eth_dev *dev)
{
	struct pmd_internals *p = dev->data->dev_private;

	/* Persistent context: Read Only (update not required) */
	struct rte_mbuf **pkts = p->soft.def.pkts;
	uint16_t nb_tx_queues = dev->data->nb_tx_queues;

	/* Persistent context: Read - Write (update required) */
	uint32_t txq_pos = p->soft.def.txq_pos;
	uint32_t pkts_len = p->soft.def.pkts_len;
	uint32_t flush_count = p->soft.def.flush_count;

	/* Not part of the persistent context */
	uint32_t pos;
	uint16_t i;

	/* Soft device TXQ read, Hard device TXQ write */
	for (i = 0; i < nb_tx_queues; i++) {
		struct rte_ring *txq = dev->data->tx_queues[txq_pos];

		/* Read soft device TXQ burst to packet enqueue buffer */
		pkts_len += rte_ring_sc_dequeue_burst(txq,
			(void **)&pkts[pkts_len],
			DEFAULT_BURST_SIZE,
			NULL);

		/* Increment soft device TXQ */
		txq_pos++;
		if (txq_pos >= nb_tx_queues)
			txq_pos = 0;

		/* Hard device TXQ write when complete burst is available */
		if (pkts_len >= DEFAULT_BURST_SIZE) {
			for (pos = 0; pos < pkts_len; )
				pos += rte_eth_tx_burst(p->hard.port_id,
					p->params.hard.tx_queue_id,
					&pkts[pos],
					(uint16_t)(pkts_len - pos));

			pkts_len = 0;
			flush_count = 0;
			break;
		}
	}

	if (flush_count >= FLUSH_COUNT_THRESHOLD) {
		for (pos = 0; pos < pkts_len; )
			pos += rte_eth_tx_burst(p->hard.port_id,
				p->params.hard.tx_queue_id,
				&pkts[pos],
				(uint16_t)(pkts_len - pos));

		pkts_len = 0;
		flush_count = 0;
	}

	p->soft.def.txq_pos = txq_pos;
	p->soft.def.pkts_len = pkts_len;
	p->soft.def.flush_count = flush_count + 1;

	return 0;
}

static __rte_always_inline int
run_tm(struct rte_eth_dev *dev)
{
	struct pmd_internals *p = dev->data->dev_private;

	/* Persistent context: Read Only (update not required) */
	struct rte_sched_port *sched = p->soft.tm.sched;
	struct rte_mbuf **pkts_enq = p->soft.tm.pkts_enq;
	struct rte_mbuf **pkts_deq = p->soft.tm.pkts_deq;
	uint32_t enq_bsz = p->params.soft.tm.enq_bsz;
	uint32_t deq_bsz = p->params.soft.tm.deq_bsz;
	uint16_t nb_tx_queues = dev->data->nb_tx_queues;

	/* Persistent context: Read - Write (update required) */
	uint32_t txq_pos = p->soft.tm.txq_pos;
	uint32_t pkts_enq_len = p->soft.tm.pkts_enq_len;
	uint32_t flush_count = p->soft.tm.flush_count;

	/* Not part of the persistent context */
	uint32_t pkts_deq_len, pos;
	uint16_t i;

	/* Soft device TXQ read, TM enqueue */
	for (i = 0; i < nb_tx_queues; i++) {
		struct rte_ring *txq = dev->data->tx_queues[txq_pos];

		/* Read TXQ burst to packet enqueue buffer */
		pkts_enq_len += rte_ring_sc_dequeue_burst(txq,
			(void **)&pkts_enq[pkts_enq_len],
			enq_bsz,
			NULL);

		/* Increment TXQ */
		txq_pos++;
		if (txq_pos >= nb_tx_queues)
			txq_pos = 0;

		/* TM enqueue when complete burst is available */
		if (pkts_enq_len >= enq_bsz) {
			rte_sched_port_enqueue(sched, pkts_enq, pkts_enq_len);

			pkts_enq_len = 0;
			flush_count = 0;
			break;
		}
	}

	if (flush_count >= FLUSH_COUNT_THRESHOLD) {
		if (pkts_enq_len)
			rte_sched_port_enqueue(sched, pkts_enq, pkts_enq_len);

		pkts_enq_len = 0;
		flush_count = 0;
	}

	p->soft.tm.txq_pos = txq_pos;
	p->soft.tm.pkts_enq_len = pkts_enq_len;
	p->soft.tm.flush_count = flush_count + 1;

	/* TM dequeue, Hard device TXQ write */
	pkts_deq_len = rte_sched_port_dequeue(sched, pkts_deq, deq_bsz);

	for (pos = 0; pos < pkts_deq_len; )
		pos += rte_eth_tx_burst(p->hard.port_id,
			p->params.hard.tx_queue_id,
			&pkts_deq[pos],
			(uint16_t)(pkts_deq_len - pos));

	return 0;
}

int
rte_pmd_softnic_run(uint16_t port_id)
{
	struct rte_eth_dev *dev = &rte_eth_devices[port_id];

#ifdef RTE_LIBRTE_ETHDEV_DEBUG
	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
#endif

	return (tm_used(dev)) ? run_tm(dev) : run_default(dev);
}

static struct ether_addr eth_addr = { .addr_bytes = {0} };

static uint32_t
eth_dev_speed_max_mbps(uint32_t speed_capa)
{
	uint32_t rate_mbps[32] = {
		ETH_SPEED_NUM_NONE,
		ETH_SPEED_NUM_10M,
		ETH_SPEED_NUM_10M,
		ETH_SPEED_NUM_100M,
		ETH_SPEED_NUM_100M,
		ETH_SPEED_NUM_1G,
		ETH_SPEED_NUM_2_5G,
		ETH_SPEED_NUM_5G,
		ETH_SPEED_NUM_10G,
		ETH_SPEED_NUM_20G,
		ETH_SPEED_NUM_25G,
		ETH_SPEED_NUM_40G,
		ETH_SPEED_NUM_50G,
		ETH_SPEED_NUM_56G,
		ETH_SPEED_NUM_100G,
	};

	uint32_t pos = (speed_capa) ? (31 - __builtin_clz(speed_capa)) : 0;
	return rate_mbps[pos];
}

static int
default_init(struct pmd_internals *p,
	struct pmd_params *params,
	int numa_node)
{
	p->soft.def.pkts = rte_zmalloc_socket(params->soft.name,
		2 * DEFAULT_BURST_SIZE * sizeof(struct rte_mbuf *),
		0,
		numa_node);

	if (p->soft.def.pkts == NULL)
		return -ENOMEM;

	return 0;
}

static void
default_free(struct pmd_internals *p)
{
	rte_free(p->soft.def.pkts);
}

static void *
pmd_init(struct pmd_params *params, int numa_node)
{
	struct pmd_internals *p;
	int status;

	p = rte_zmalloc_socket(params->soft.name,
		sizeof(struct pmd_internals),
		0,
		numa_node);
	if (p == NULL)
		return NULL;

	memcpy(&p->params, params, sizeof(p->params));
	rte_eth_dev_get_port_by_name(params->hard.name, &p->hard.port_id);

	/* Default */
	status = default_init(p, params, numa_node);
	if (status) {
		free(p->params.hard.name);
		rte_free(p);
		return NULL;
	}

	/* Traffic Management (TM)*/
	if (params->soft.flags & PMD_FEATURE_TM) {
		status = tm_init(p, params, numa_node);
		if (status) {
			default_free(p);
			free(p->params.hard.name);
			rte_free(p);
			return NULL;
		}
	}

	return p;
}

static void
pmd_free(struct pmd_internals *p)
{
	if (p->params.soft.flags & PMD_FEATURE_TM)
		tm_free(p);

	default_free(p);

	free(p->params.hard.name);
	rte_free(p);
}

static int
pmd_ethdev_register(struct rte_vdev_device *vdev,
	struct pmd_params *params,
	void *dev_private)
{
	struct rte_eth_dev_info hard_info;
	struct rte_eth_dev *soft_dev;
	uint32_t hard_speed;
	int numa_node;
	uint16_t hard_port_id;

	rte_eth_dev_get_port_by_name(params->hard.name, &hard_port_id);
	rte_eth_dev_info_get(hard_port_id, &hard_info);
	hard_speed = eth_dev_speed_max_mbps(hard_info.speed_capa);
	numa_node = rte_eth_dev_socket_id(hard_port_id);

	/* Ethdev entry allocation */
	soft_dev = rte_eth_dev_allocate(params->soft.name);
	if (!soft_dev)
		return -ENOMEM;

	/* dev */
	soft_dev->rx_pkt_burst = (params->soft.intrusive) ?
		NULL : /* set up later */
		pmd_rx_pkt_burst;
	soft_dev->tx_pkt_burst = pmd_tx_pkt_burst;
	soft_dev->tx_pkt_prepare = NULL;
	soft_dev->dev_ops = &pmd_ops;
	soft_dev->device = &vdev->device;

	/* dev->data */
	soft_dev->data->dev_private = dev_private;
	soft_dev->data->dev_link.link_speed = hard_speed;
	soft_dev->data->dev_link.link_duplex = ETH_LINK_FULL_DUPLEX;
	soft_dev->data->dev_link.link_autoneg = ETH_LINK_AUTONEG;
	soft_dev->data->dev_link.link_status = ETH_LINK_DOWN;
	soft_dev->data->mac_addrs = &eth_addr;
	soft_dev->data->promiscuous = 1;
	soft_dev->data->kdrv = RTE_KDRV_NONE;
	soft_dev->data->numa_node = numa_node;

	return 0;
}

static int
get_string(const char *key __rte_unused, const char *value, void *extra_args)
{
	if (!value || !extra_args)
		return -EINVAL;

	*(char **)extra_args = strdup(value);

	if (!*(char **)extra_args)
		return -ENOMEM;

	return 0;
}

static int
get_uint32(const char *key __rte_unused, const char *value, void *extra_args)
{
	if (!value || !extra_args)
		return -EINVAL;

	*(uint32_t *)extra_args = strtoull(value, NULL, 0);

	return 0;
}

static int
pmd_parse_args(struct pmd_params *p, const char *name, const char *params)
{
	struct rte_kvargs *kvlist;
	int i, ret;

	kvlist = rte_kvargs_parse(params, pmd_valid_args);
	if (kvlist == NULL)
		return -EINVAL;

	/* Set default values */
	memset(p, 0, sizeof(*p));
	p->soft.name = name;
	p->soft.intrusive = INTRUSIVE;
	p->soft.tm.rate = 0;
	p->soft.tm.nb_queues = SOFTNIC_SOFT_TM_NB_QUEUES;
	for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++)
		p->soft.tm.qsize[i] = SOFTNIC_SOFT_TM_QUEUE_SIZE;
	p->soft.tm.enq_bsz = SOFTNIC_SOFT_TM_ENQ_BSZ;
	p->soft.tm.deq_bsz = SOFTNIC_SOFT_TM_DEQ_BSZ;
	p->hard.tx_queue_id = SOFTNIC_HARD_TX_QUEUE_ID;

	/* SOFT: TM (optional) */
	if (rte_kvargs_count(kvlist, PMD_PARAM_SOFT_TM) == 1) {
		char *s;

		ret = rte_kvargs_process(kvlist, PMD_PARAM_SOFT_TM,
			&get_string, &s);
		if (ret < 0)
			goto out_free;

		if (strcmp(s, "on") == 0)
			p->soft.flags |= PMD_FEATURE_TM;
		else if (strcmp(s, "off") == 0)
			p->soft.flags &= ~PMD_FEATURE_TM;
		else
			ret = -EINVAL;

		free(s);
		if (ret)
			goto out_free;
	}

	/* SOFT: TM rate (measured in bytes/second) (optional) */
	if (rte_kvargs_count(kvlist, PMD_PARAM_SOFT_TM_RATE) == 1) {
		ret = rte_kvargs_process(kvlist, PMD_PARAM_SOFT_TM_RATE,
			&get_uint32, &p->soft.tm.rate);
		if (ret < 0)
			goto out_free;

		p->soft.flags |= PMD_FEATURE_TM;
	}

	/* SOFT: TM number of queues (optional) */
	if (rte_kvargs_count(kvlist, PMD_PARAM_SOFT_TM_NB_QUEUES) == 1) {
		ret = rte_kvargs_process(kvlist, PMD_PARAM_SOFT_TM_NB_QUEUES,
			&get_uint32, &p->soft.tm.nb_queues);
		if (ret < 0)
			goto out_free;

		p->soft.flags |= PMD_FEATURE_TM;
	}

	/* SOFT: TM queue size 0 .. 3 (optional) */
	if (rte_kvargs_count(kvlist, PMD_PARAM_SOFT_TM_QSIZE0) == 1) {
		uint32_t qsize;

		ret = rte_kvargs_process(kvlist, PMD_PARAM_SOFT_TM_QSIZE0,
			&get_uint32, &qsize);
		if (ret < 0)
			goto out_free;

		p->soft.tm.qsize[0] = (uint16_t)qsize;
		p->soft.flags |= PMD_FEATURE_TM;
	}

	if (rte_kvargs_count(kvlist, PMD_PARAM_SOFT_TM_QSIZE1) == 1) {
		uint32_t qsize;

		ret = rte_kvargs_process(kvlist, PMD_PARAM_SOFT_TM_QSIZE1,
			&get_uint32, &qsize);
		if (ret < 0)
			goto out_free;

		p->soft.tm.qsize[1] = (uint16_t)qsize;
		p->soft.flags |= PMD_FEATURE_TM;
	}

	if (rte_kvargs_count(kvlist, PMD_PARAM_SOFT_TM_QSIZE2) == 1) {
		uint32_t qsize;

		ret = rte_kvargs_process(kvlist, PMD_PARAM_SOFT_TM_QSIZE2,
			&get_uint32, &qsize);
		if (ret < 0)
			goto out_free;

		p->soft.tm.qsize[2] = (uint16_t)qsize;
		p->soft.flags |= PMD_FEATURE_TM;
	}

	if (rte_kvargs_count(kvlist, PMD_PARAM_SOFT_TM_QSIZE3) == 1) {
		uint32_t qsize;

		ret = rte_kvargs_process(kvlist, PMD_PARAM_SOFT_TM_QSIZE3,
			&get_uint32, &qsize);
		if (ret < 0)
			goto out_free;

		p->soft.tm.qsize[3] = (uint16_t)qsize;
		p->soft.flags |= PMD_FEATURE_TM;
	}

	/* SOFT: TM enqueue burst size (optional) */
	if (rte_kvargs_count(kvlist, PMD_PARAM_SOFT_TM_ENQ_BSZ) == 1) {
		ret = rte_kvargs_process(kvlist, PMD_PARAM_SOFT_TM_ENQ_BSZ,
			&get_uint32, &p->soft.tm.enq_bsz);
		if (ret < 0)
			goto out_free;

		p->soft.flags |= PMD_FEATURE_TM;
	}

	/* SOFT: TM dequeue burst size (optional) */
	if (rte_kvargs_count(kvlist, PMD_PARAM_SOFT_TM_DEQ_BSZ) == 1) {
		ret = rte_kvargs_process(kvlist, PMD_PARAM_SOFT_TM_DEQ_BSZ,
			&get_uint32, &p->soft.tm.deq_bsz);
		if (ret < 0)
			goto out_free;

		p->soft.flags |= PMD_FEATURE_TM;
	}

	/* HARD: name (mandatory) */
	if (rte_kvargs_count(kvlist, PMD_PARAM_HARD_NAME) == 1) {
		ret = rte_kvargs_process(kvlist, PMD_PARAM_HARD_NAME,
			&get_string, &p->hard.name);
		if (ret < 0)
			goto out_free;
	} else {
		ret = -EINVAL;
		goto out_free;
	}

	/* HARD: tx_queue_id (optional) */
	if (rte_kvargs_count(kvlist, PMD_PARAM_HARD_TX_QUEUE_ID) == 1) {
		ret = rte_kvargs_process(kvlist, PMD_PARAM_HARD_TX_QUEUE_ID,
			&get_uint32, &p->hard.tx_queue_id);
		if (ret < 0)
			goto out_free;
	}

out_free:
	rte_kvargs_free(kvlist);
	return ret;
}

static int
pmd_probe(struct rte_vdev_device *vdev)
{
	struct pmd_params p;
	const char *params;
	int status;

	struct rte_eth_dev_info hard_info;
	uint32_t hard_speed;
	uint16_t hard_port_id;
	int numa_node;
	void *dev_private;

	RTE_LOG(INFO, PMD,
		"Probing device \"%s\"\n",
		rte_vdev_device_name(vdev));

	/* Parse input arguments */
	params = rte_vdev_device_args(vdev);
	if (!params)
		return -EINVAL;

	status = pmd_parse_args(&p, rte_vdev_device_name(vdev), params);
	if (status)
		return status;

	/* Check input arguments */
	if (rte_eth_dev_get_port_by_name(p.hard.name, &hard_port_id))
		return -EINVAL;

	rte_eth_dev_info_get(hard_port_id, &hard_info);
	hard_speed = eth_dev_speed_max_mbps(hard_info.speed_capa);
	numa_node = rte_eth_dev_socket_id(hard_port_id);

	if (p.hard.tx_queue_id >= hard_info.max_tx_queues)
		return -EINVAL;

	if (p.soft.flags & PMD_FEATURE_TM) {
		status = tm_params_check(&p, hard_speed);

		if (status)
			return status;
	}

	/* Allocate and initialize soft ethdev private data */
	dev_private = pmd_init(&p, numa_node);
	if (dev_private == NULL)
		return -ENOMEM;

	/* Register soft ethdev */
	RTE_LOG(INFO, PMD,
		"Creating soft ethdev \"%s\" for hard ethdev \"%s\"\n",
		p.soft.name, p.hard.name);

	status = pmd_ethdev_register(vdev, &p, dev_private);
	if (status) {
		pmd_free(dev_private);
		return status;
	}

	return 0;
}

static int
pmd_remove(struct rte_vdev_device *vdev)
{
	struct rte_eth_dev *dev = NULL;
	struct pmd_internals *p;

	if (!vdev)
		return -EINVAL;

	RTE_LOG(INFO, PMD, "Removing device \"%s\"\n",
		rte_vdev_device_name(vdev));

	/* Find the ethdev entry */
	dev = rte_eth_dev_allocated(rte_vdev_device_name(vdev));
	if (dev == NULL)
		return -ENODEV;
	p = dev->data->dev_private;

	/* Free device data structures*/
	pmd_free(p);
	rte_free(dev->data);
	rte_eth_dev_release_port(dev);

	return 0;
}

static struct rte_vdev_driver pmd_softnic_drv = {
	.probe = pmd_probe,
	.remove = pmd_remove,
};

RTE_PMD_REGISTER_VDEV(net_softnic, pmd_softnic_drv);
RTE_PMD_REGISTER_PARAM_STRING(net_softnic,
	PMD_PARAM_SOFT_TM	 "=on|off "
	PMD_PARAM_SOFT_TM_RATE "=<int> "
	PMD_PARAM_SOFT_TM_NB_QUEUES "=<int> "
	PMD_PARAM_SOFT_TM_QSIZE0 "=<int> "
	PMD_PARAM_SOFT_TM_QSIZE1 "=<int> "
	PMD_PARAM_SOFT_TM_QSIZE2 "=<int> "
	PMD_PARAM_SOFT_TM_QSIZE3 "=<int> "
	PMD_PARAM_SOFT_TM_ENQ_BSZ "=<int> "
	PMD_PARAM_SOFT_TM_DEQ_BSZ "=<int> "
	PMD_PARAM_HARD_NAME "=<string> "
	PMD_PARAM_HARD_TX_QUEUE_ID "=<int>");