1 | // SPDX-License-Identifier: GPL-2.0 |
2 | /* |
3 | * KUnit tests |
4 | * |
5 | * Copyright (C) 2020, Intel Corporation |
6 | * Author: Mika Westerberg <mika.westerberg@linux.intel.com> |
7 | */ |
8 | |
9 | #include <kunit/test.h> |
10 | #include <linux/idr.h> |
11 | |
12 | #include "tb.h" |
13 | #include "tunnel.h" |
14 | |
15 | static int __ida_init(struct kunit_resource *res, void *context) |
16 | { |
17 | struct ida *ida = context; |
18 | |
19 | ida_init(ida); |
20 | res->data = ida; |
21 | return 0; |
22 | } |
23 | |
24 | static void __ida_destroy(struct kunit_resource *res) |
25 | { |
26 | struct ida *ida = res->data; |
27 | |
28 | ida_destroy(ida); |
29 | } |
30 | |
31 | static void kunit_ida_init(struct kunit *test, struct ida *ida) |
32 | { |
33 | kunit_alloc_resource(test, init: __ida_init, free: __ida_destroy, GFP_KERNEL, context: ida); |
34 | } |
35 | |
36 | static struct tb_switch *alloc_switch(struct kunit *test, u64 route, |
37 | u8 upstream_port, u8 max_port_number) |
38 | { |
39 | struct tb_switch *sw; |
40 | size_t size; |
41 | int i; |
42 | |
43 | sw = kunit_kzalloc(test, size: sizeof(*sw), GFP_KERNEL); |
44 | if (!sw) |
45 | return NULL; |
46 | |
47 | sw->config.upstream_port_number = upstream_port; |
48 | sw->config.depth = tb_route_length(route); |
49 | sw->config.route_hi = upper_32_bits(route); |
50 | sw->config.route_lo = lower_32_bits(route); |
51 | sw->config.enabled = 0; |
52 | sw->config.max_port_number = max_port_number; |
53 | |
54 | size = (sw->config.max_port_number + 1) * sizeof(*sw->ports); |
55 | sw->ports = kunit_kzalloc(test, size, GFP_KERNEL); |
56 | if (!sw->ports) |
57 | return NULL; |
58 | |
59 | for (i = 0; i <= sw->config.max_port_number; i++) { |
60 | sw->ports[i].sw = sw; |
61 | sw->ports[i].port = i; |
62 | sw->ports[i].config.port_number = i; |
63 | if (i) { |
64 | kunit_ida_init(test, ida: &sw->ports[i].in_hopids); |
65 | kunit_ida_init(test, ida: &sw->ports[i].out_hopids); |
66 | } |
67 | } |
68 | |
69 | return sw; |
70 | } |
71 | |
72 | static struct tb_switch *alloc_host(struct kunit *test) |
73 | { |
74 | struct tb_switch *sw; |
75 | |
76 | sw = alloc_switch(test, route: 0, upstream_port: 7, max_port_number: 13); |
77 | if (!sw) |
78 | return NULL; |
79 | |
80 | sw->config.vendor_id = 0x8086; |
81 | sw->config.device_id = 0x9a1b; |
82 | |
83 | sw->ports[0].config.type = TB_TYPE_PORT; |
84 | sw->ports[0].config.max_in_hop_id = 7; |
85 | sw->ports[0].config.max_out_hop_id = 7; |
86 | |
87 | sw->ports[1].config.type = TB_TYPE_PORT; |
88 | sw->ports[1].config.max_in_hop_id = 19; |
89 | sw->ports[1].config.max_out_hop_id = 19; |
90 | sw->ports[1].total_credits = 60; |
91 | sw->ports[1].ctl_credits = 2; |
92 | sw->ports[1].dual_link_port = &sw->ports[2]; |
93 | |
94 | sw->ports[2].config.type = TB_TYPE_PORT; |
95 | sw->ports[2].config.max_in_hop_id = 19; |
96 | sw->ports[2].config.max_out_hop_id = 19; |
97 | sw->ports[2].total_credits = 60; |
98 | sw->ports[2].ctl_credits = 2; |
99 | sw->ports[2].dual_link_port = &sw->ports[1]; |
100 | sw->ports[2].link_nr = 1; |
101 | |
102 | sw->ports[3].config.type = TB_TYPE_PORT; |
103 | sw->ports[3].config.max_in_hop_id = 19; |
104 | sw->ports[3].config.max_out_hop_id = 19; |
105 | sw->ports[3].total_credits = 60; |
106 | sw->ports[3].ctl_credits = 2; |
107 | sw->ports[3].dual_link_port = &sw->ports[4]; |
108 | |
109 | sw->ports[4].config.type = TB_TYPE_PORT; |
110 | sw->ports[4].config.max_in_hop_id = 19; |
111 | sw->ports[4].config.max_out_hop_id = 19; |
112 | sw->ports[4].total_credits = 60; |
113 | sw->ports[4].ctl_credits = 2; |
114 | sw->ports[4].dual_link_port = &sw->ports[3]; |
115 | sw->ports[4].link_nr = 1; |
116 | |
117 | sw->ports[5].config.type = TB_TYPE_DP_HDMI_IN; |
118 | sw->ports[5].config.max_in_hop_id = 9; |
119 | sw->ports[5].config.max_out_hop_id = 9; |
120 | sw->ports[5].cap_adap = -1; |
121 | |
122 | sw->ports[6].config.type = TB_TYPE_DP_HDMI_IN; |
123 | sw->ports[6].config.max_in_hop_id = 9; |
124 | sw->ports[6].config.max_out_hop_id = 9; |
125 | sw->ports[6].cap_adap = -1; |
126 | |
127 | sw->ports[7].config.type = TB_TYPE_NHI; |
128 | sw->ports[7].config.max_in_hop_id = 11; |
129 | sw->ports[7].config.max_out_hop_id = 11; |
130 | sw->ports[7].config.nfc_credits = 0x41800000; |
131 | |
132 | sw->ports[8].config.type = TB_TYPE_PCIE_DOWN; |
133 | sw->ports[8].config.max_in_hop_id = 8; |
134 | sw->ports[8].config.max_out_hop_id = 8; |
135 | |
136 | sw->ports[9].config.type = TB_TYPE_PCIE_DOWN; |
137 | sw->ports[9].config.max_in_hop_id = 8; |
138 | sw->ports[9].config.max_out_hop_id = 8; |
139 | |
140 | sw->ports[10].disabled = true; |
141 | sw->ports[11].disabled = true; |
142 | |
143 | sw->ports[12].config.type = TB_TYPE_USB3_DOWN; |
144 | sw->ports[12].config.max_in_hop_id = 8; |
145 | sw->ports[12].config.max_out_hop_id = 8; |
146 | |
147 | sw->ports[13].config.type = TB_TYPE_USB3_DOWN; |
148 | sw->ports[13].config.max_in_hop_id = 8; |
149 | sw->ports[13].config.max_out_hop_id = 8; |
150 | |
151 | return sw; |
152 | } |
153 | |
154 | static struct tb_switch *alloc_host_usb4(struct kunit *test) |
155 | { |
156 | struct tb_switch *sw; |
157 | |
158 | sw = alloc_host(test); |
159 | if (!sw) |
160 | return NULL; |
161 | |
162 | sw->generation = 4; |
163 | sw->credit_allocation = true; |
164 | sw->max_usb3_credits = 32; |
165 | sw->min_dp_aux_credits = 1; |
166 | sw->min_dp_main_credits = 0; |
167 | sw->max_pcie_credits = 64; |
168 | sw->max_dma_credits = 14; |
169 | |
170 | return sw; |
171 | } |
172 | |
173 | static struct tb_switch *alloc_host_br(struct kunit *test) |
174 | { |
175 | struct tb_switch *sw; |
176 | |
177 | sw = alloc_host_usb4(test); |
178 | if (!sw) |
179 | return NULL; |
180 | |
181 | sw->ports[10].config.type = TB_TYPE_DP_HDMI_IN; |
182 | sw->ports[10].config.max_in_hop_id = 9; |
183 | sw->ports[10].config.max_out_hop_id = 9; |
184 | sw->ports[10].cap_adap = -1; |
185 | sw->ports[10].disabled = false; |
186 | |
187 | return sw; |
188 | } |
189 | |
190 | static struct tb_switch *alloc_dev_default(struct kunit *test, |
191 | struct tb_switch *parent, |
192 | u64 route, bool bonded) |
193 | { |
194 | struct tb_port *port, *upstream_port; |
195 | struct tb_switch *sw; |
196 | |
197 | sw = alloc_switch(test, route, upstream_port: 1, max_port_number: 19); |
198 | if (!sw) |
199 | return NULL; |
200 | |
201 | sw->config.vendor_id = 0x8086; |
202 | sw->config.device_id = 0x15ef; |
203 | |
204 | sw->ports[0].config.type = TB_TYPE_PORT; |
205 | sw->ports[0].config.max_in_hop_id = 8; |
206 | sw->ports[0].config.max_out_hop_id = 8; |
207 | |
208 | sw->ports[1].config.type = TB_TYPE_PORT; |
209 | sw->ports[1].config.max_in_hop_id = 19; |
210 | sw->ports[1].config.max_out_hop_id = 19; |
211 | sw->ports[1].total_credits = 60; |
212 | sw->ports[1].ctl_credits = 2; |
213 | sw->ports[1].dual_link_port = &sw->ports[2]; |
214 | |
215 | sw->ports[2].config.type = TB_TYPE_PORT; |
216 | sw->ports[2].config.max_in_hop_id = 19; |
217 | sw->ports[2].config.max_out_hop_id = 19; |
218 | sw->ports[2].total_credits = 60; |
219 | sw->ports[2].ctl_credits = 2; |
220 | sw->ports[2].dual_link_port = &sw->ports[1]; |
221 | sw->ports[2].link_nr = 1; |
222 | |
223 | sw->ports[3].config.type = TB_TYPE_PORT; |
224 | sw->ports[3].config.max_in_hop_id = 19; |
225 | sw->ports[3].config.max_out_hop_id = 19; |
226 | sw->ports[3].total_credits = 60; |
227 | sw->ports[3].ctl_credits = 2; |
228 | sw->ports[3].dual_link_port = &sw->ports[4]; |
229 | |
230 | sw->ports[4].config.type = TB_TYPE_PORT; |
231 | sw->ports[4].config.max_in_hop_id = 19; |
232 | sw->ports[4].config.max_out_hop_id = 19; |
233 | sw->ports[4].total_credits = 60; |
234 | sw->ports[4].ctl_credits = 2; |
235 | sw->ports[4].dual_link_port = &sw->ports[3]; |
236 | sw->ports[4].link_nr = 1; |
237 | |
238 | sw->ports[5].config.type = TB_TYPE_PORT; |
239 | sw->ports[5].config.max_in_hop_id = 19; |
240 | sw->ports[5].config.max_out_hop_id = 19; |
241 | sw->ports[5].total_credits = 60; |
242 | sw->ports[5].ctl_credits = 2; |
243 | sw->ports[5].dual_link_port = &sw->ports[6]; |
244 | |
245 | sw->ports[6].config.type = TB_TYPE_PORT; |
246 | sw->ports[6].config.max_in_hop_id = 19; |
247 | sw->ports[6].config.max_out_hop_id = 19; |
248 | sw->ports[6].total_credits = 60; |
249 | sw->ports[6].ctl_credits = 2; |
250 | sw->ports[6].dual_link_port = &sw->ports[5]; |
251 | sw->ports[6].link_nr = 1; |
252 | |
253 | sw->ports[7].config.type = TB_TYPE_PORT; |
254 | sw->ports[7].config.max_in_hop_id = 19; |
255 | sw->ports[7].config.max_out_hop_id = 19; |
256 | sw->ports[7].total_credits = 60; |
257 | sw->ports[7].ctl_credits = 2; |
258 | sw->ports[7].dual_link_port = &sw->ports[8]; |
259 | |
260 | sw->ports[8].config.type = TB_TYPE_PORT; |
261 | sw->ports[8].config.max_in_hop_id = 19; |
262 | sw->ports[8].config.max_out_hop_id = 19; |
263 | sw->ports[8].total_credits = 60; |
264 | sw->ports[8].ctl_credits = 2; |
265 | sw->ports[8].dual_link_port = &sw->ports[7]; |
266 | sw->ports[8].link_nr = 1; |
267 | |
268 | sw->ports[9].config.type = TB_TYPE_PCIE_UP; |
269 | sw->ports[9].config.max_in_hop_id = 8; |
270 | sw->ports[9].config.max_out_hop_id = 8; |
271 | |
272 | sw->ports[10].config.type = TB_TYPE_PCIE_DOWN; |
273 | sw->ports[10].config.max_in_hop_id = 8; |
274 | sw->ports[10].config.max_out_hop_id = 8; |
275 | |
276 | sw->ports[11].config.type = TB_TYPE_PCIE_DOWN; |
277 | sw->ports[11].config.max_in_hop_id = 8; |
278 | sw->ports[11].config.max_out_hop_id = 8; |
279 | |
280 | sw->ports[12].config.type = TB_TYPE_PCIE_DOWN; |
281 | sw->ports[12].config.max_in_hop_id = 8; |
282 | sw->ports[12].config.max_out_hop_id = 8; |
283 | |
284 | sw->ports[13].config.type = TB_TYPE_DP_HDMI_OUT; |
285 | sw->ports[13].config.max_in_hop_id = 9; |
286 | sw->ports[13].config.max_out_hop_id = 9; |
287 | sw->ports[13].cap_adap = -1; |
288 | |
289 | sw->ports[14].config.type = TB_TYPE_DP_HDMI_OUT; |
290 | sw->ports[14].config.max_in_hop_id = 9; |
291 | sw->ports[14].config.max_out_hop_id = 9; |
292 | sw->ports[14].cap_adap = -1; |
293 | |
294 | sw->ports[15].disabled = true; |
295 | |
296 | sw->ports[16].config.type = TB_TYPE_USB3_UP; |
297 | sw->ports[16].config.max_in_hop_id = 8; |
298 | sw->ports[16].config.max_out_hop_id = 8; |
299 | |
300 | sw->ports[17].config.type = TB_TYPE_USB3_DOWN; |
301 | sw->ports[17].config.max_in_hop_id = 8; |
302 | sw->ports[17].config.max_out_hop_id = 8; |
303 | |
304 | sw->ports[18].config.type = TB_TYPE_USB3_DOWN; |
305 | sw->ports[18].config.max_in_hop_id = 8; |
306 | sw->ports[18].config.max_out_hop_id = 8; |
307 | |
308 | sw->ports[19].config.type = TB_TYPE_USB3_DOWN; |
309 | sw->ports[19].config.max_in_hop_id = 8; |
310 | sw->ports[19].config.max_out_hop_id = 8; |
311 | |
312 | if (!parent) |
313 | return sw; |
314 | |
315 | /* Link them */ |
316 | upstream_port = tb_upstream_port(sw); |
317 | port = tb_port_at(route, sw: parent); |
318 | port->remote = upstream_port; |
319 | upstream_port->remote = port; |
320 | if (port->dual_link_port && upstream_port->dual_link_port) { |
321 | port->dual_link_port->remote = upstream_port->dual_link_port; |
322 | upstream_port->dual_link_port->remote = port->dual_link_port; |
323 | |
324 | if (bonded) { |
325 | /* Bonding is used */ |
326 | port->bonded = true; |
327 | port->total_credits *= 2; |
328 | port->dual_link_port->bonded = true; |
329 | port->dual_link_port->total_credits = 0; |
330 | upstream_port->bonded = true; |
331 | upstream_port->total_credits *= 2; |
332 | upstream_port->dual_link_port->bonded = true; |
333 | upstream_port->dual_link_port->total_credits = 0; |
334 | } |
335 | } |
336 | |
337 | return sw; |
338 | } |
339 | |
340 | static struct tb_switch *alloc_dev_with_dpin(struct kunit *test, |
341 | struct tb_switch *parent, |
342 | u64 route, bool bonded) |
343 | { |
344 | struct tb_switch *sw; |
345 | |
346 | sw = alloc_dev_default(test, parent, route, bonded); |
347 | if (!sw) |
348 | return NULL; |
349 | |
350 | sw->ports[13].config.type = TB_TYPE_DP_HDMI_IN; |
351 | sw->ports[13].config.max_in_hop_id = 9; |
352 | sw->ports[13].config.max_out_hop_id = 9; |
353 | |
354 | sw->ports[14].config.type = TB_TYPE_DP_HDMI_IN; |
355 | sw->ports[14].config.max_in_hop_id = 9; |
356 | sw->ports[14].config.max_out_hop_id = 9; |
357 | |
358 | return sw; |
359 | } |
360 | |
361 | static struct tb_switch *alloc_dev_without_dp(struct kunit *test, |
362 | struct tb_switch *parent, |
363 | u64 route, bool bonded) |
364 | { |
365 | struct tb_switch *sw; |
366 | int i; |
367 | |
368 | sw = alloc_dev_default(test, parent, route, bonded); |
369 | if (!sw) |
370 | return NULL; |
371 | /* |
372 | * Device with: |
373 | * 2x USB4 Adapters (adapters 1,2 and 3,4), |
374 | * 1x PCIe Upstream (adapter 9), |
375 | * 1x PCIe Downstream (adapter 10), |
376 | * 1x USB3 Upstream (adapter 16), |
377 | * 1x USB3 Downstream (adapter 17) |
378 | */ |
379 | for (i = 5; i <= 8; i++) |
380 | sw->ports[i].disabled = true; |
381 | |
382 | for (i = 11; i <= 14; i++) |
383 | sw->ports[i].disabled = true; |
384 | |
385 | sw->ports[13].cap_adap = 0; |
386 | sw->ports[14].cap_adap = 0; |
387 | |
388 | for (i = 18; i <= 19; i++) |
389 | sw->ports[i].disabled = true; |
390 | |
391 | sw->generation = 4; |
392 | sw->credit_allocation = true; |
393 | sw->max_usb3_credits = 109; |
394 | sw->min_dp_aux_credits = 0; |
395 | sw->min_dp_main_credits = 0; |
396 | sw->max_pcie_credits = 30; |
397 | sw->max_dma_credits = 1; |
398 | |
399 | return sw; |
400 | } |
401 | |
402 | static struct tb_switch *alloc_dev_usb4(struct kunit *test, |
403 | struct tb_switch *parent, |
404 | u64 route, bool bonded) |
405 | { |
406 | struct tb_switch *sw; |
407 | |
408 | sw = alloc_dev_default(test, parent, route, bonded); |
409 | if (!sw) |
410 | return NULL; |
411 | |
412 | sw->generation = 4; |
413 | sw->credit_allocation = true; |
414 | sw->max_usb3_credits = 14; |
415 | sw->min_dp_aux_credits = 1; |
416 | sw->min_dp_main_credits = 18; |
417 | sw->max_pcie_credits = 32; |
418 | sw->max_dma_credits = 14; |
419 | |
420 | return sw; |
421 | } |
422 | |
423 | static void tb_test_path_basic(struct kunit *test) |
424 | { |
425 | struct tb_port *src_port, *dst_port, *p; |
426 | struct tb_switch *host; |
427 | |
428 | host = alloc_host(test); |
429 | |
430 | src_port = &host->ports[5]; |
431 | dst_port = src_port; |
432 | |
433 | p = tb_next_port_on_path(start: src_port, end: dst_port, NULL); |
434 | KUNIT_EXPECT_PTR_EQ(test, p, dst_port); |
435 | |
436 | p = tb_next_port_on_path(start: src_port, end: dst_port, prev: p); |
437 | KUNIT_EXPECT_TRUE(test, !p); |
438 | } |
439 | |
440 | static void tb_test_path_not_connected_walk(struct kunit *test) |
441 | { |
442 | struct tb_port *src_port, *dst_port, *p; |
443 | struct tb_switch *host, *dev; |
444 | |
445 | host = alloc_host(test); |
446 | /* No connection between host and dev */ |
447 | dev = alloc_dev_default(test, NULL, route: 3, bonded: true); |
448 | |
449 | src_port = &host->ports[12]; |
450 | dst_port = &dev->ports[16]; |
451 | |
452 | p = tb_next_port_on_path(start: src_port, end: dst_port, NULL); |
453 | KUNIT_EXPECT_PTR_EQ(test, p, src_port); |
454 | |
455 | p = tb_next_port_on_path(start: src_port, end: dst_port, prev: p); |
456 | KUNIT_EXPECT_PTR_EQ(test, p, &host->ports[3]); |
457 | |
458 | p = tb_next_port_on_path(start: src_port, end: dst_port, prev: p); |
459 | KUNIT_EXPECT_TRUE(test, !p); |
460 | |
461 | /* Other direction */ |
462 | |
463 | p = tb_next_port_on_path(start: dst_port, end: src_port, NULL); |
464 | KUNIT_EXPECT_PTR_EQ(test, p, dst_port); |
465 | |
466 | p = tb_next_port_on_path(start: dst_port, end: src_port, prev: p); |
467 | KUNIT_EXPECT_PTR_EQ(test, p, &dev->ports[1]); |
468 | |
469 | p = tb_next_port_on_path(start: dst_port, end: src_port, prev: p); |
470 | KUNIT_EXPECT_TRUE(test, !p); |
471 | } |
472 | |
473 | struct port_expectation { |
474 | u64 route; |
475 | u8 port; |
476 | enum tb_port_type type; |
477 | }; |
478 | |
479 | static void tb_test_path_single_hop_walk(struct kunit *test) |
480 | { |
481 | /* |
482 | * Walks from Host PCIe downstream port to Device #1 PCIe |
483 | * upstream port. |
484 | * |
485 | * [Host] |
486 | * 1 | |
487 | * 1 | |
488 | * [Device] |
489 | */ |
490 | static const struct port_expectation test_data[] = { |
491 | { .route = 0x0, .port = 8, .type = TB_TYPE_PCIE_DOWN }, |
492 | { .route = 0x0, .port = 1, .type = TB_TYPE_PORT }, |
493 | { .route = 0x1, .port = 1, .type = TB_TYPE_PORT }, |
494 | { .route = 0x1, .port = 9, .type = TB_TYPE_PCIE_UP }, |
495 | }; |
496 | struct tb_port *src_port, *dst_port, *p; |
497 | struct tb_switch *host, *dev; |
498 | int i; |
499 | |
500 | host = alloc_host(test); |
501 | dev = alloc_dev_default(test, parent: host, route: 1, bonded: true); |
502 | |
503 | src_port = &host->ports[8]; |
504 | dst_port = &dev->ports[9]; |
505 | |
506 | /* Walk both directions */ |
507 | |
508 | i = 0; |
509 | tb_for_each_port_on_path(src_port, dst_port, p) { |
510 | KUNIT_EXPECT_TRUE(test, i < ARRAY_SIZE(test_data)); |
511 | KUNIT_EXPECT_EQ(test, tb_route(p->sw), test_data[i].route); |
512 | KUNIT_EXPECT_EQ(test, p->port, test_data[i].port); |
513 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)p->config.type, |
514 | test_data[i].type); |
515 | i++; |
516 | } |
517 | |
518 | KUNIT_EXPECT_EQ(test, i, ARRAY_SIZE(test_data)); |
519 | |
520 | i = ARRAY_SIZE(test_data) - 1; |
521 | tb_for_each_port_on_path(dst_port, src_port, p) { |
522 | KUNIT_EXPECT_TRUE(test, i < ARRAY_SIZE(test_data)); |
523 | KUNIT_EXPECT_EQ(test, tb_route(p->sw), test_data[i].route); |
524 | KUNIT_EXPECT_EQ(test, p->port, test_data[i].port); |
525 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)p->config.type, |
526 | test_data[i].type); |
527 | i--; |
528 | } |
529 | |
530 | KUNIT_EXPECT_EQ(test, i, -1); |
531 | } |
532 | |
533 | static void tb_test_path_daisy_chain_walk(struct kunit *test) |
534 | { |
535 | /* |
536 | * Walks from Host DP IN to Device #2 DP OUT. |
537 | * |
538 | * [Host] |
539 | * 1 | |
540 | * 1 | |
541 | * [Device #1] |
542 | * 3 / |
543 | * 1 / |
544 | * [Device #2] |
545 | */ |
546 | static const struct port_expectation test_data[] = { |
547 | { .route = 0x0, .port = 5, .type = TB_TYPE_DP_HDMI_IN }, |
548 | { .route = 0x0, .port = 1, .type = TB_TYPE_PORT }, |
549 | { .route = 0x1, .port = 1, .type = TB_TYPE_PORT }, |
550 | { .route = 0x1, .port = 3, .type = TB_TYPE_PORT }, |
551 | { .route = 0x301, .port = 1, .type = TB_TYPE_PORT }, |
552 | { .route = 0x301, .port = 13, .type = TB_TYPE_DP_HDMI_OUT }, |
553 | }; |
554 | struct tb_port *src_port, *dst_port, *p; |
555 | struct tb_switch *host, *dev1, *dev2; |
556 | int i; |
557 | |
558 | host = alloc_host(test); |
559 | dev1 = alloc_dev_default(test, parent: host, route: 0x1, bonded: true); |
560 | dev2 = alloc_dev_default(test, parent: dev1, route: 0x301, bonded: true); |
561 | |
562 | src_port = &host->ports[5]; |
563 | dst_port = &dev2->ports[13]; |
564 | |
565 | /* Walk both directions */ |
566 | |
567 | i = 0; |
568 | tb_for_each_port_on_path(src_port, dst_port, p) { |
569 | KUNIT_EXPECT_TRUE(test, i < ARRAY_SIZE(test_data)); |
570 | KUNIT_EXPECT_EQ(test, tb_route(p->sw), test_data[i].route); |
571 | KUNIT_EXPECT_EQ(test, p->port, test_data[i].port); |
572 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)p->config.type, |
573 | test_data[i].type); |
574 | i++; |
575 | } |
576 | |
577 | KUNIT_EXPECT_EQ(test, i, ARRAY_SIZE(test_data)); |
578 | |
579 | i = ARRAY_SIZE(test_data) - 1; |
580 | tb_for_each_port_on_path(dst_port, src_port, p) { |
581 | KUNIT_EXPECT_TRUE(test, i < ARRAY_SIZE(test_data)); |
582 | KUNIT_EXPECT_EQ(test, tb_route(p->sw), test_data[i].route); |
583 | KUNIT_EXPECT_EQ(test, p->port, test_data[i].port); |
584 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)p->config.type, |
585 | test_data[i].type); |
586 | i--; |
587 | } |
588 | |
589 | KUNIT_EXPECT_EQ(test, i, -1); |
590 | } |
591 | |
592 | static void tb_test_path_simple_tree_walk(struct kunit *test) |
593 | { |
594 | /* |
595 | * Walks from Host DP IN to Device #3 DP OUT. |
596 | * |
597 | * [Host] |
598 | * 1 | |
599 | * 1 | |
600 | * [Device #1] |
601 | * 3 / | 5 \ 7 |
602 | * 1 / | \ 1 |
603 | * [Device #2] | [Device #4] |
604 | * | 1 |
605 | * [Device #3] |
606 | */ |
607 | static const struct port_expectation test_data[] = { |
608 | { .route = 0x0, .port = 5, .type = TB_TYPE_DP_HDMI_IN }, |
609 | { .route = 0x0, .port = 1, .type = TB_TYPE_PORT }, |
610 | { .route = 0x1, .port = 1, .type = TB_TYPE_PORT }, |
611 | { .route = 0x1, .port = 5, .type = TB_TYPE_PORT }, |
612 | { .route = 0x501, .port = 1, .type = TB_TYPE_PORT }, |
613 | { .route = 0x501, .port = 13, .type = TB_TYPE_DP_HDMI_OUT }, |
614 | }; |
615 | struct tb_port *src_port, *dst_port, *p; |
616 | struct tb_switch *host, *dev1, *dev3; |
617 | int i; |
618 | |
619 | host = alloc_host(test); |
620 | dev1 = alloc_dev_default(test, parent: host, route: 0x1, bonded: true); |
621 | alloc_dev_default(test, parent: dev1, route: 0x301, bonded: true); |
622 | dev3 = alloc_dev_default(test, parent: dev1, route: 0x501, bonded: true); |
623 | alloc_dev_default(test, parent: dev1, route: 0x701, bonded: true); |
624 | |
625 | src_port = &host->ports[5]; |
626 | dst_port = &dev3->ports[13]; |
627 | |
628 | /* Walk both directions */ |
629 | |
630 | i = 0; |
631 | tb_for_each_port_on_path(src_port, dst_port, p) { |
632 | KUNIT_EXPECT_TRUE(test, i < ARRAY_SIZE(test_data)); |
633 | KUNIT_EXPECT_EQ(test, tb_route(p->sw), test_data[i].route); |
634 | KUNIT_EXPECT_EQ(test, p->port, test_data[i].port); |
635 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)p->config.type, |
636 | test_data[i].type); |
637 | i++; |
638 | } |
639 | |
640 | KUNIT_EXPECT_EQ(test, i, ARRAY_SIZE(test_data)); |
641 | |
642 | i = ARRAY_SIZE(test_data) - 1; |
643 | tb_for_each_port_on_path(dst_port, src_port, p) { |
644 | KUNIT_EXPECT_TRUE(test, i < ARRAY_SIZE(test_data)); |
645 | KUNIT_EXPECT_EQ(test, tb_route(p->sw), test_data[i].route); |
646 | KUNIT_EXPECT_EQ(test, p->port, test_data[i].port); |
647 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)p->config.type, |
648 | test_data[i].type); |
649 | i--; |
650 | } |
651 | |
652 | KUNIT_EXPECT_EQ(test, i, -1); |
653 | } |
654 | |
655 | static void tb_test_path_complex_tree_walk(struct kunit *test) |
656 | { |
657 | /* |
658 | * Walks from Device #3 DP IN to Device #9 DP OUT. |
659 | * |
660 | * [Host] |
661 | * 1 | |
662 | * 1 | |
663 | * [Device #1] |
664 | * 3 / | 5 \ 7 |
665 | * 1 / | \ 1 |
666 | * [Device #2] | [Device #5] |
667 | * 5 | | 1 \ 7 |
668 | * 1 | [Device #4] \ 1 |
669 | * [Device #3] [Device #6] |
670 | * 3 / |
671 | * 1 / |
672 | * [Device #7] |
673 | * 3 / | 5 |
674 | * 1 / | |
675 | * [Device #8] | 1 |
676 | * [Device #9] |
677 | */ |
678 | static const struct port_expectation test_data[] = { |
679 | { .route = 0x50301, .port = 13, .type = TB_TYPE_DP_HDMI_IN }, |
680 | { .route = 0x50301, .port = 1, .type = TB_TYPE_PORT }, |
681 | { .route = 0x301, .port = 5, .type = TB_TYPE_PORT }, |
682 | { .route = 0x301, .port = 1, .type = TB_TYPE_PORT }, |
683 | { .route = 0x1, .port = 3, .type = TB_TYPE_PORT }, |
684 | { .route = 0x1, .port = 7, .type = TB_TYPE_PORT }, |
685 | { .route = 0x701, .port = 1, .type = TB_TYPE_PORT }, |
686 | { .route = 0x701, .port = 7, .type = TB_TYPE_PORT }, |
687 | { .route = 0x70701, .port = 1, .type = TB_TYPE_PORT }, |
688 | { .route = 0x70701, .port = 3, .type = TB_TYPE_PORT }, |
689 | { .route = 0x3070701, .port = 1, .type = TB_TYPE_PORT }, |
690 | { .route = 0x3070701, .port = 5, .type = TB_TYPE_PORT }, |
691 | { .route = 0x503070701, .port = 1, .type = TB_TYPE_PORT }, |
692 | { .route = 0x503070701, .port = 14, .type = TB_TYPE_DP_HDMI_OUT }, |
693 | }; |
694 | struct tb_switch *host, *dev1, *dev2, *dev3, *dev5, *dev6, *dev7, *dev9; |
695 | struct tb_port *src_port, *dst_port, *p; |
696 | int i; |
697 | |
698 | host = alloc_host(test); |
699 | dev1 = alloc_dev_default(test, parent: host, route: 0x1, bonded: true); |
700 | dev2 = alloc_dev_default(test, parent: dev1, route: 0x301, bonded: true); |
701 | dev3 = alloc_dev_with_dpin(test, parent: dev2, route: 0x50301, bonded: true); |
702 | alloc_dev_default(test, parent: dev1, route: 0x501, bonded: true); |
703 | dev5 = alloc_dev_default(test, parent: dev1, route: 0x701, bonded: true); |
704 | dev6 = alloc_dev_default(test, parent: dev5, route: 0x70701, bonded: true); |
705 | dev7 = alloc_dev_default(test, parent: dev6, route: 0x3070701, bonded: true); |
706 | alloc_dev_default(test, parent: dev7, route: 0x303070701, bonded: true); |
707 | dev9 = alloc_dev_default(test, parent: dev7, route: 0x503070701, bonded: true); |
708 | |
709 | src_port = &dev3->ports[13]; |
710 | dst_port = &dev9->ports[14]; |
711 | |
712 | /* Walk both directions */ |
713 | |
714 | i = 0; |
715 | tb_for_each_port_on_path(src_port, dst_port, p) { |
716 | KUNIT_EXPECT_TRUE(test, i < ARRAY_SIZE(test_data)); |
717 | KUNIT_EXPECT_EQ(test, tb_route(p->sw), test_data[i].route); |
718 | KUNIT_EXPECT_EQ(test, p->port, test_data[i].port); |
719 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)p->config.type, |
720 | test_data[i].type); |
721 | i++; |
722 | } |
723 | |
724 | KUNIT_EXPECT_EQ(test, i, ARRAY_SIZE(test_data)); |
725 | |
726 | i = ARRAY_SIZE(test_data) - 1; |
727 | tb_for_each_port_on_path(dst_port, src_port, p) { |
728 | KUNIT_EXPECT_TRUE(test, i < ARRAY_SIZE(test_data)); |
729 | KUNIT_EXPECT_EQ(test, tb_route(p->sw), test_data[i].route); |
730 | KUNIT_EXPECT_EQ(test, p->port, test_data[i].port); |
731 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)p->config.type, |
732 | test_data[i].type); |
733 | i--; |
734 | } |
735 | |
736 | KUNIT_EXPECT_EQ(test, i, -1); |
737 | } |
738 | |
739 | static void tb_test_path_max_length_walk(struct kunit *test) |
740 | { |
741 | struct tb_switch *host, *dev1, *dev2, *dev3, *dev4, *dev5, *dev6; |
742 | struct tb_switch *dev7, *dev8, *dev9, *dev10, *dev11, *dev12; |
743 | struct tb_port *src_port, *dst_port, *p; |
744 | int i; |
745 | |
746 | /* |
747 | * Walks from Device #6 DP IN to Device #12 DP OUT. |
748 | * |
749 | * [Host] |
750 | * 1 / \ 3 |
751 | * 1 / \ 1 |
752 | * [Device #1] [Device #7] |
753 | * 3 | | 3 |
754 | * 1 | | 1 |
755 | * [Device #2] [Device #8] |
756 | * 3 | | 3 |
757 | * 1 | | 1 |
758 | * [Device #3] [Device #9] |
759 | * 3 | | 3 |
760 | * 1 | | 1 |
761 | * [Device #4] [Device #10] |
762 | * 3 | | 3 |
763 | * 1 | | 1 |
764 | * [Device #5] [Device #11] |
765 | * 3 | | 3 |
766 | * 1 | | 1 |
767 | * [Device #6] [Device #12] |
768 | */ |
769 | static const struct port_expectation test_data[] = { |
770 | { .route = 0x30303030301, .port = 13, .type = TB_TYPE_DP_HDMI_IN }, |
771 | { .route = 0x30303030301, .port = 1, .type = TB_TYPE_PORT }, |
772 | { .route = 0x303030301, .port = 3, .type = TB_TYPE_PORT }, |
773 | { .route = 0x303030301, .port = 1, .type = TB_TYPE_PORT }, |
774 | { .route = 0x3030301, .port = 3, .type = TB_TYPE_PORT }, |
775 | { .route = 0x3030301, .port = 1, .type = TB_TYPE_PORT }, |
776 | { .route = 0x30301, .port = 3, .type = TB_TYPE_PORT }, |
777 | { .route = 0x30301, .port = 1, .type = TB_TYPE_PORT }, |
778 | { .route = 0x301, .port = 3, .type = TB_TYPE_PORT }, |
779 | { .route = 0x301, .port = 1, .type = TB_TYPE_PORT }, |
780 | { .route = 0x1, .port = 3, .type = TB_TYPE_PORT }, |
781 | { .route = 0x1, .port = 1, .type = TB_TYPE_PORT }, |
782 | { .route = 0x0, .port = 1, .type = TB_TYPE_PORT }, |
783 | { .route = 0x0, .port = 3, .type = TB_TYPE_PORT }, |
784 | { .route = 0x3, .port = 1, .type = TB_TYPE_PORT }, |
785 | { .route = 0x3, .port = 3, .type = TB_TYPE_PORT }, |
786 | { .route = 0x303, .port = 1, .type = TB_TYPE_PORT }, |
787 | { .route = 0x303, .port = 3, .type = TB_TYPE_PORT }, |
788 | { .route = 0x30303, .port = 1, .type = TB_TYPE_PORT }, |
789 | { .route = 0x30303, .port = 3, .type = TB_TYPE_PORT }, |
790 | { .route = 0x3030303, .port = 1, .type = TB_TYPE_PORT }, |
791 | { .route = 0x3030303, .port = 3, .type = TB_TYPE_PORT }, |
792 | { .route = 0x303030303, .port = 1, .type = TB_TYPE_PORT }, |
793 | { .route = 0x303030303, .port = 3, .type = TB_TYPE_PORT }, |
794 | { .route = 0x30303030303, .port = 1, .type = TB_TYPE_PORT }, |
795 | { .route = 0x30303030303, .port = 13, .type = TB_TYPE_DP_HDMI_OUT }, |
796 | }; |
797 | |
798 | host = alloc_host(test); |
799 | dev1 = alloc_dev_default(test, parent: host, route: 0x1, bonded: true); |
800 | dev2 = alloc_dev_default(test, parent: dev1, route: 0x301, bonded: true); |
801 | dev3 = alloc_dev_default(test, parent: dev2, route: 0x30301, bonded: true); |
802 | dev4 = alloc_dev_default(test, parent: dev3, route: 0x3030301, bonded: true); |
803 | dev5 = alloc_dev_default(test, parent: dev4, route: 0x303030301, bonded: true); |
804 | dev6 = alloc_dev_with_dpin(test, parent: dev5, route: 0x30303030301, bonded: true); |
805 | dev7 = alloc_dev_default(test, parent: host, route: 0x3, bonded: true); |
806 | dev8 = alloc_dev_default(test, parent: dev7, route: 0x303, bonded: true); |
807 | dev9 = alloc_dev_default(test, parent: dev8, route: 0x30303, bonded: true); |
808 | dev10 = alloc_dev_default(test, parent: dev9, route: 0x3030303, bonded: true); |
809 | dev11 = alloc_dev_default(test, parent: dev10, route: 0x303030303, bonded: true); |
810 | dev12 = alloc_dev_default(test, parent: dev11, route: 0x30303030303, bonded: true); |
811 | |
812 | src_port = &dev6->ports[13]; |
813 | dst_port = &dev12->ports[13]; |
814 | |
815 | /* Walk both directions */ |
816 | |
817 | i = 0; |
818 | tb_for_each_port_on_path(src_port, dst_port, p) { |
819 | KUNIT_EXPECT_TRUE(test, i < ARRAY_SIZE(test_data)); |
820 | KUNIT_EXPECT_EQ(test, tb_route(p->sw), test_data[i].route); |
821 | KUNIT_EXPECT_EQ(test, p->port, test_data[i].port); |
822 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)p->config.type, |
823 | test_data[i].type); |
824 | i++; |
825 | } |
826 | |
827 | KUNIT_EXPECT_EQ(test, i, ARRAY_SIZE(test_data)); |
828 | |
829 | i = ARRAY_SIZE(test_data) - 1; |
830 | tb_for_each_port_on_path(dst_port, src_port, p) { |
831 | KUNIT_EXPECT_TRUE(test, i < ARRAY_SIZE(test_data)); |
832 | KUNIT_EXPECT_EQ(test, tb_route(p->sw), test_data[i].route); |
833 | KUNIT_EXPECT_EQ(test, p->port, test_data[i].port); |
834 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)p->config.type, |
835 | test_data[i].type); |
836 | i--; |
837 | } |
838 | |
839 | KUNIT_EXPECT_EQ(test, i, -1); |
840 | } |
841 | |
842 | static void tb_test_path_not_connected(struct kunit *test) |
843 | { |
844 | struct tb_switch *host, *dev1, *dev2; |
845 | struct tb_port *down, *up; |
846 | struct tb_path *path; |
847 | |
848 | host = alloc_host(test); |
849 | dev1 = alloc_dev_default(test, parent: host, route: 0x3, bonded: false); |
850 | /* Not connected to anything */ |
851 | dev2 = alloc_dev_default(test, NULL, route: 0x303, bonded: false); |
852 | |
853 | down = &dev1->ports[10]; |
854 | up = &dev2->ports[9]; |
855 | |
856 | path = tb_path_alloc(NULL, src: down, src_hopid: 8, dst: up, dst_hopid: 8, link_nr: 0, name: "PCIe Down" ); |
857 | KUNIT_ASSERT_NULL(test, path); |
858 | path = tb_path_alloc(NULL, src: down, src_hopid: 8, dst: up, dst_hopid: 8, link_nr: 1, name: "PCIe Down" ); |
859 | KUNIT_ASSERT_NULL(test, path); |
860 | } |
861 | |
862 | struct hop_expectation { |
863 | u64 route; |
864 | u8 in_port; |
865 | enum tb_port_type in_type; |
866 | u8 out_port; |
867 | enum tb_port_type out_type; |
868 | }; |
869 | |
870 | static void tb_test_path_not_bonded_lane0(struct kunit *test) |
871 | { |
872 | /* |
873 | * PCIe path from host to device using lane 0. |
874 | * |
875 | * [Host] |
876 | * 3 |: 4 |
877 | * 1 |: 2 |
878 | * [Device] |
879 | */ |
880 | static const struct hop_expectation test_data[] = { |
881 | { |
882 | .route = 0x0, |
883 | .in_port = 9, |
884 | .in_type = TB_TYPE_PCIE_DOWN, |
885 | .out_port = 3, |
886 | .out_type = TB_TYPE_PORT, |
887 | }, |
888 | { |
889 | .route = 0x3, |
890 | .in_port = 1, |
891 | .in_type = TB_TYPE_PORT, |
892 | .out_port = 9, |
893 | .out_type = TB_TYPE_PCIE_UP, |
894 | }, |
895 | }; |
896 | struct tb_switch *host, *dev; |
897 | struct tb_port *down, *up; |
898 | struct tb_path *path; |
899 | int i; |
900 | |
901 | host = alloc_host(test); |
902 | dev = alloc_dev_default(test, parent: host, route: 0x3, bonded: false); |
903 | |
904 | down = &host->ports[9]; |
905 | up = &dev->ports[9]; |
906 | |
907 | path = tb_path_alloc(NULL, src: down, src_hopid: 8, dst: up, dst_hopid: 8, link_nr: 0, name: "PCIe Down" ); |
908 | KUNIT_ASSERT_NOT_NULL(test, path); |
909 | KUNIT_ASSERT_EQ(test, path->path_length, ARRAY_SIZE(test_data)); |
910 | for (i = 0; i < ARRAY_SIZE(test_data); i++) { |
911 | const struct tb_port *in_port, *out_port; |
912 | |
913 | in_port = path->hops[i].in_port; |
914 | out_port = path->hops[i].out_port; |
915 | |
916 | KUNIT_EXPECT_EQ(test, tb_route(in_port->sw), test_data[i].route); |
917 | KUNIT_EXPECT_EQ(test, in_port->port, test_data[i].in_port); |
918 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)in_port->config.type, |
919 | test_data[i].in_type); |
920 | KUNIT_EXPECT_EQ(test, tb_route(out_port->sw), test_data[i].route); |
921 | KUNIT_EXPECT_EQ(test, out_port->port, test_data[i].out_port); |
922 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)out_port->config.type, |
923 | test_data[i].out_type); |
924 | } |
925 | tb_path_free(path); |
926 | } |
927 | |
928 | static void tb_test_path_not_bonded_lane1(struct kunit *test) |
929 | { |
930 | /* |
931 | * DP Video path from host to device using lane 1. Paths like |
932 | * these are only used with Thunderbolt 1 devices where lane |
933 | * bonding is not possible. USB4 specifically does not allow |
934 | * paths like this (you either use lane 0 where lane 1 is |
935 | * disabled or both lanes are bonded). |
936 | * |
937 | * [Host] |
938 | * 1 :| 2 |
939 | * 1 :| 2 |
940 | * [Device] |
941 | */ |
942 | static const struct hop_expectation test_data[] = { |
943 | { |
944 | .route = 0x0, |
945 | .in_port = 5, |
946 | .in_type = TB_TYPE_DP_HDMI_IN, |
947 | .out_port = 2, |
948 | .out_type = TB_TYPE_PORT, |
949 | }, |
950 | { |
951 | .route = 0x1, |
952 | .in_port = 2, |
953 | .in_type = TB_TYPE_PORT, |
954 | .out_port = 13, |
955 | .out_type = TB_TYPE_DP_HDMI_OUT, |
956 | }, |
957 | }; |
958 | struct tb_switch *host, *dev; |
959 | struct tb_port *in, *out; |
960 | struct tb_path *path; |
961 | int i; |
962 | |
963 | host = alloc_host(test); |
964 | dev = alloc_dev_default(test, parent: host, route: 0x1, bonded: false); |
965 | |
966 | in = &host->ports[5]; |
967 | out = &dev->ports[13]; |
968 | |
969 | path = tb_path_alloc(NULL, src: in, src_hopid: 9, dst: out, dst_hopid: 9, link_nr: 1, name: "Video" ); |
970 | KUNIT_ASSERT_NOT_NULL(test, path); |
971 | KUNIT_ASSERT_EQ(test, path->path_length, ARRAY_SIZE(test_data)); |
972 | for (i = 0; i < ARRAY_SIZE(test_data); i++) { |
973 | const struct tb_port *in_port, *out_port; |
974 | |
975 | in_port = path->hops[i].in_port; |
976 | out_port = path->hops[i].out_port; |
977 | |
978 | KUNIT_EXPECT_EQ(test, tb_route(in_port->sw), test_data[i].route); |
979 | KUNIT_EXPECT_EQ(test, in_port->port, test_data[i].in_port); |
980 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)in_port->config.type, |
981 | test_data[i].in_type); |
982 | KUNIT_EXPECT_EQ(test, tb_route(out_port->sw), test_data[i].route); |
983 | KUNIT_EXPECT_EQ(test, out_port->port, test_data[i].out_port); |
984 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)out_port->config.type, |
985 | test_data[i].out_type); |
986 | } |
987 | tb_path_free(path); |
988 | } |
989 | |
990 | static void tb_test_path_not_bonded_lane1_chain(struct kunit *test) |
991 | { |
992 | /* |
993 | * DP Video path from host to device 3 using lane 1. |
994 | * |
995 | * [Host] |
996 | * 1 :| 2 |
997 | * 1 :| 2 |
998 | * [Device #1] |
999 | * 7 :| 8 |
1000 | * 1 :| 2 |
1001 | * [Device #2] |
1002 | * 5 :| 6 |
1003 | * 1 :| 2 |
1004 | * [Device #3] |
1005 | */ |
1006 | static const struct hop_expectation test_data[] = { |
1007 | { |
1008 | .route = 0x0, |
1009 | .in_port = 5, |
1010 | .in_type = TB_TYPE_DP_HDMI_IN, |
1011 | .out_port = 2, |
1012 | .out_type = TB_TYPE_PORT, |
1013 | }, |
1014 | { |
1015 | .route = 0x1, |
1016 | .in_port = 2, |
1017 | .in_type = TB_TYPE_PORT, |
1018 | .out_port = 8, |
1019 | .out_type = TB_TYPE_PORT, |
1020 | }, |
1021 | { |
1022 | .route = 0x701, |
1023 | .in_port = 2, |
1024 | .in_type = TB_TYPE_PORT, |
1025 | .out_port = 6, |
1026 | .out_type = TB_TYPE_PORT, |
1027 | }, |
1028 | { |
1029 | .route = 0x50701, |
1030 | .in_port = 2, |
1031 | .in_type = TB_TYPE_PORT, |
1032 | .out_port = 13, |
1033 | .out_type = TB_TYPE_DP_HDMI_OUT, |
1034 | }, |
1035 | }; |
1036 | struct tb_switch *host, *dev1, *dev2, *dev3; |
1037 | struct tb_port *in, *out; |
1038 | struct tb_path *path; |
1039 | int i; |
1040 | |
1041 | host = alloc_host(test); |
1042 | dev1 = alloc_dev_default(test, parent: host, route: 0x1, bonded: false); |
1043 | dev2 = alloc_dev_default(test, parent: dev1, route: 0x701, bonded: false); |
1044 | dev3 = alloc_dev_default(test, parent: dev2, route: 0x50701, bonded: false); |
1045 | |
1046 | in = &host->ports[5]; |
1047 | out = &dev3->ports[13]; |
1048 | |
1049 | path = tb_path_alloc(NULL, src: in, src_hopid: 9, dst: out, dst_hopid: 9, link_nr: 1, name: "Video" ); |
1050 | KUNIT_ASSERT_NOT_NULL(test, path); |
1051 | KUNIT_ASSERT_EQ(test, path->path_length, ARRAY_SIZE(test_data)); |
1052 | for (i = 0; i < ARRAY_SIZE(test_data); i++) { |
1053 | const struct tb_port *in_port, *out_port; |
1054 | |
1055 | in_port = path->hops[i].in_port; |
1056 | out_port = path->hops[i].out_port; |
1057 | |
1058 | KUNIT_EXPECT_EQ(test, tb_route(in_port->sw), test_data[i].route); |
1059 | KUNIT_EXPECT_EQ(test, in_port->port, test_data[i].in_port); |
1060 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)in_port->config.type, |
1061 | test_data[i].in_type); |
1062 | KUNIT_EXPECT_EQ(test, tb_route(out_port->sw), test_data[i].route); |
1063 | KUNIT_EXPECT_EQ(test, out_port->port, test_data[i].out_port); |
1064 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)out_port->config.type, |
1065 | test_data[i].out_type); |
1066 | } |
1067 | tb_path_free(path); |
1068 | } |
1069 | |
1070 | static void tb_test_path_not_bonded_lane1_chain_reverse(struct kunit *test) |
1071 | { |
1072 | /* |
1073 | * DP Video path from device 3 to host using lane 1. |
1074 | * |
1075 | * [Host] |
1076 | * 1 :| 2 |
1077 | * 1 :| 2 |
1078 | * [Device #1] |
1079 | * 7 :| 8 |
1080 | * 1 :| 2 |
1081 | * [Device #2] |
1082 | * 5 :| 6 |
1083 | * 1 :| 2 |
1084 | * [Device #3] |
1085 | */ |
1086 | static const struct hop_expectation test_data[] = { |
1087 | { |
1088 | .route = 0x50701, |
1089 | .in_port = 13, |
1090 | .in_type = TB_TYPE_DP_HDMI_IN, |
1091 | .out_port = 2, |
1092 | .out_type = TB_TYPE_PORT, |
1093 | }, |
1094 | { |
1095 | .route = 0x701, |
1096 | .in_port = 6, |
1097 | .in_type = TB_TYPE_PORT, |
1098 | .out_port = 2, |
1099 | .out_type = TB_TYPE_PORT, |
1100 | }, |
1101 | { |
1102 | .route = 0x1, |
1103 | .in_port = 8, |
1104 | .in_type = TB_TYPE_PORT, |
1105 | .out_port = 2, |
1106 | .out_type = TB_TYPE_PORT, |
1107 | }, |
1108 | { |
1109 | .route = 0x0, |
1110 | .in_port = 2, |
1111 | .in_type = TB_TYPE_PORT, |
1112 | .out_port = 5, |
1113 | .out_type = TB_TYPE_DP_HDMI_IN, |
1114 | }, |
1115 | }; |
1116 | struct tb_switch *host, *dev1, *dev2, *dev3; |
1117 | struct tb_port *in, *out; |
1118 | struct tb_path *path; |
1119 | int i; |
1120 | |
1121 | host = alloc_host(test); |
1122 | dev1 = alloc_dev_default(test, parent: host, route: 0x1, bonded: false); |
1123 | dev2 = alloc_dev_default(test, parent: dev1, route: 0x701, bonded: false); |
1124 | dev3 = alloc_dev_with_dpin(test, parent: dev2, route: 0x50701, bonded: false); |
1125 | |
1126 | in = &dev3->ports[13]; |
1127 | out = &host->ports[5]; |
1128 | |
1129 | path = tb_path_alloc(NULL, src: in, src_hopid: 9, dst: out, dst_hopid: 9, link_nr: 1, name: "Video" ); |
1130 | KUNIT_ASSERT_NOT_NULL(test, path); |
1131 | KUNIT_ASSERT_EQ(test, path->path_length, ARRAY_SIZE(test_data)); |
1132 | for (i = 0; i < ARRAY_SIZE(test_data); i++) { |
1133 | const struct tb_port *in_port, *out_port; |
1134 | |
1135 | in_port = path->hops[i].in_port; |
1136 | out_port = path->hops[i].out_port; |
1137 | |
1138 | KUNIT_EXPECT_EQ(test, tb_route(in_port->sw), test_data[i].route); |
1139 | KUNIT_EXPECT_EQ(test, in_port->port, test_data[i].in_port); |
1140 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)in_port->config.type, |
1141 | test_data[i].in_type); |
1142 | KUNIT_EXPECT_EQ(test, tb_route(out_port->sw), test_data[i].route); |
1143 | KUNIT_EXPECT_EQ(test, out_port->port, test_data[i].out_port); |
1144 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)out_port->config.type, |
1145 | test_data[i].out_type); |
1146 | } |
1147 | tb_path_free(path); |
1148 | } |
1149 | |
1150 | static void tb_test_path_mixed_chain(struct kunit *test) |
1151 | { |
1152 | /* |
1153 | * DP Video path from host to device 4 where first and last link |
1154 | * is bonded. |
1155 | * |
1156 | * [Host] |
1157 | * 1 | |
1158 | * 1 | |
1159 | * [Device #1] |
1160 | * 7 :| 8 |
1161 | * 1 :| 2 |
1162 | * [Device #2] |
1163 | * 5 :| 6 |
1164 | * 1 :| 2 |
1165 | * [Device #3] |
1166 | * 3 | |
1167 | * 1 | |
1168 | * [Device #4] |
1169 | */ |
1170 | static const struct hop_expectation test_data[] = { |
1171 | { |
1172 | .route = 0x0, |
1173 | .in_port = 5, |
1174 | .in_type = TB_TYPE_DP_HDMI_IN, |
1175 | .out_port = 1, |
1176 | .out_type = TB_TYPE_PORT, |
1177 | }, |
1178 | { |
1179 | .route = 0x1, |
1180 | .in_port = 1, |
1181 | .in_type = TB_TYPE_PORT, |
1182 | .out_port = 8, |
1183 | .out_type = TB_TYPE_PORT, |
1184 | }, |
1185 | { |
1186 | .route = 0x701, |
1187 | .in_port = 2, |
1188 | .in_type = TB_TYPE_PORT, |
1189 | .out_port = 6, |
1190 | .out_type = TB_TYPE_PORT, |
1191 | }, |
1192 | { |
1193 | .route = 0x50701, |
1194 | .in_port = 2, |
1195 | .in_type = TB_TYPE_PORT, |
1196 | .out_port = 3, |
1197 | .out_type = TB_TYPE_PORT, |
1198 | }, |
1199 | { |
1200 | .route = 0x3050701, |
1201 | .in_port = 1, |
1202 | .in_type = TB_TYPE_PORT, |
1203 | .out_port = 13, |
1204 | .out_type = TB_TYPE_DP_HDMI_OUT, |
1205 | }, |
1206 | }; |
1207 | struct tb_switch *host, *dev1, *dev2, *dev3, *dev4; |
1208 | struct tb_port *in, *out; |
1209 | struct tb_path *path; |
1210 | int i; |
1211 | |
1212 | host = alloc_host(test); |
1213 | dev1 = alloc_dev_default(test, parent: host, route: 0x1, bonded: true); |
1214 | dev2 = alloc_dev_default(test, parent: dev1, route: 0x701, bonded: false); |
1215 | dev3 = alloc_dev_default(test, parent: dev2, route: 0x50701, bonded: false); |
1216 | dev4 = alloc_dev_default(test, parent: dev3, route: 0x3050701, bonded: true); |
1217 | |
1218 | in = &host->ports[5]; |
1219 | out = &dev4->ports[13]; |
1220 | |
1221 | path = tb_path_alloc(NULL, src: in, src_hopid: 9, dst: out, dst_hopid: 9, link_nr: 1, name: "Video" ); |
1222 | KUNIT_ASSERT_NOT_NULL(test, path); |
1223 | KUNIT_ASSERT_EQ(test, path->path_length, ARRAY_SIZE(test_data)); |
1224 | for (i = 0; i < ARRAY_SIZE(test_data); i++) { |
1225 | const struct tb_port *in_port, *out_port; |
1226 | |
1227 | in_port = path->hops[i].in_port; |
1228 | out_port = path->hops[i].out_port; |
1229 | |
1230 | KUNIT_EXPECT_EQ(test, tb_route(in_port->sw), test_data[i].route); |
1231 | KUNIT_EXPECT_EQ(test, in_port->port, test_data[i].in_port); |
1232 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)in_port->config.type, |
1233 | test_data[i].in_type); |
1234 | KUNIT_EXPECT_EQ(test, tb_route(out_port->sw), test_data[i].route); |
1235 | KUNIT_EXPECT_EQ(test, out_port->port, test_data[i].out_port); |
1236 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)out_port->config.type, |
1237 | test_data[i].out_type); |
1238 | } |
1239 | tb_path_free(path); |
1240 | } |
1241 | |
1242 | static void tb_test_path_mixed_chain_reverse(struct kunit *test) |
1243 | { |
1244 | /* |
1245 | * DP Video path from device 4 to host where first and last link |
1246 | * is bonded. |
1247 | * |
1248 | * [Host] |
1249 | * 1 | |
1250 | * 1 | |
1251 | * [Device #1] |
1252 | * 7 :| 8 |
1253 | * 1 :| 2 |
1254 | * [Device #2] |
1255 | * 5 :| 6 |
1256 | * 1 :| 2 |
1257 | * [Device #3] |
1258 | * 3 | |
1259 | * 1 | |
1260 | * [Device #4] |
1261 | */ |
1262 | static const struct hop_expectation test_data[] = { |
1263 | { |
1264 | .route = 0x3050701, |
1265 | .in_port = 13, |
1266 | .in_type = TB_TYPE_DP_HDMI_OUT, |
1267 | .out_port = 1, |
1268 | .out_type = TB_TYPE_PORT, |
1269 | }, |
1270 | { |
1271 | .route = 0x50701, |
1272 | .in_port = 3, |
1273 | .in_type = TB_TYPE_PORT, |
1274 | .out_port = 2, |
1275 | .out_type = TB_TYPE_PORT, |
1276 | }, |
1277 | { |
1278 | .route = 0x701, |
1279 | .in_port = 6, |
1280 | .in_type = TB_TYPE_PORT, |
1281 | .out_port = 2, |
1282 | .out_type = TB_TYPE_PORT, |
1283 | }, |
1284 | { |
1285 | .route = 0x1, |
1286 | .in_port = 8, |
1287 | .in_type = TB_TYPE_PORT, |
1288 | .out_port = 1, |
1289 | .out_type = TB_TYPE_PORT, |
1290 | }, |
1291 | { |
1292 | .route = 0x0, |
1293 | .in_port = 1, |
1294 | .in_type = TB_TYPE_PORT, |
1295 | .out_port = 5, |
1296 | .out_type = TB_TYPE_DP_HDMI_IN, |
1297 | }, |
1298 | }; |
1299 | struct tb_switch *host, *dev1, *dev2, *dev3, *dev4; |
1300 | struct tb_port *in, *out; |
1301 | struct tb_path *path; |
1302 | int i; |
1303 | |
1304 | host = alloc_host(test); |
1305 | dev1 = alloc_dev_default(test, parent: host, route: 0x1, bonded: true); |
1306 | dev2 = alloc_dev_default(test, parent: dev1, route: 0x701, bonded: false); |
1307 | dev3 = alloc_dev_default(test, parent: dev2, route: 0x50701, bonded: false); |
1308 | dev4 = alloc_dev_default(test, parent: dev3, route: 0x3050701, bonded: true); |
1309 | |
1310 | in = &dev4->ports[13]; |
1311 | out = &host->ports[5]; |
1312 | |
1313 | path = tb_path_alloc(NULL, src: in, src_hopid: 9, dst: out, dst_hopid: 9, link_nr: 1, name: "Video" ); |
1314 | KUNIT_ASSERT_NOT_NULL(test, path); |
1315 | KUNIT_ASSERT_EQ(test, path->path_length, ARRAY_SIZE(test_data)); |
1316 | for (i = 0; i < ARRAY_SIZE(test_data); i++) { |
1317 | const struct tb_port *in_port, *out_port; |
1318 | |
1319 | in_port = path->hops[i].in_port; |
1320 | out_port = path->hops[i].out_port; |
1321 | |
1322 | KUNIT_EXPECT_EQ(test, tb_route(in_port->sw), test_data[i].route); |
1323 | KUNIT_EXPECT_EQ(test, in_port->port, test_data[i].in_port); |
1324 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)in_port->config.type, |
1325 | test_data[i].in_type); |
1326 | KUNIT_EXPECT_EQ(test, tb_route(out_port->sw), test_data[i].route); |
1327 | KUNIT_EXPECT_EQ(test, out_port->port, test_data[i].out_port); |
1328 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)out_port->config.type, |
1329 | test_data[i].out_type); |
1330 | } |
1331 | tb_path_free(path); |
1332 | } |
1333 | |
1334 | static void tb_test_tunnel_pcie(struct kunit *test) |
1335 | { |
1336 | struct tb_switch *host, *dev1, *dev2; |
1337 | struct tb_tunnel *tunnel1, *tunnel2; |
1338 | struct tb_port *down, *up; |
1339 | |
1340 | /* |
1341 | * Create PCIe tunnel between host and two devices. |
1342 | * |
1343 | * [Host] |
1344 | * 1 | |
1345 | * 1 | |
1346 | * [Device #1] |
1347 | * 5 | |
1348 | * 1 | |
1349 | * [Device #2] |
1350 | */ |
1351 | host = alloc_host(test); |
1352 | dev1 = alloc_dev_default(test, parent: host, route: 0x1, bonded: true); |
1353 | dev2 = alloc_dev_default(test, parent: dev1, route: 0x501, bonded: true); |
1354 | |
1355 | down = &host->ports[8]; |
1356 | up = &dev1->ports[9]; |
1357 | tunnel1 = tb_tunnel_alloc_pci(NULL, up, down); |
1358 | KUNIT_ASSERT_NOT_NULL(test, tunnel1); |
1359 | KUNIT_EXPECT_EQ(test, tunnel1->type, TB_TUNNEL_PCI); |
1360 | KUNIT_EXPECT_PTR_EQ(test, tunnel1->src_port, down); |
1361 | KUNIT_EXPECT_PTR_EQ(test, tunnel1->dst_port, up); |
1362 | KUNIT_ASSERT_EQ(test, tunnel1->npaths, 2); |
1363 | KUNIT_ASSERT_EQ(test, tunnel1->paths[0]->path_length, 2); |
1364 | KUNIT_EXPECT_PTR_EQ(test, tunnel1->paths[0]->hops[0].in_port, down); |
1365 | KUNIT_EXPECT_PTR_EQ(test, tunnel1->paths[0]->hops[1].out_port, up); |
1366 | KUNIT_ASSERT_EQ(test, tunnel1->paths[1]->path_length, 2); |
1367 | KUNIT_EXPECT_PTR_EQ(test, tunnel1->paths[1]->hops[0].in_port, up); |
1368 | KUNIT_EXPECT_PTR_EQ(test, tunnel1->paths[1]->hops[1].out_port, down); |
1369 | |
1370 | down = &dev1->ports[10]; |
1371 | up = &dev2->ports[9]; |
1372 | tunnel2 = tb_tunnel_alloc_pci(NULL, up, down); |
1373 | KUNIT_ASSERT_NOT_NULL(test, tunnel2); |
1374 | KUNIT_EXPECT_EQ(test, tunnel2->type, TB_TUNNEL_PCI); |
1375 | KUNIT_EXPECT_PTR_EQ(test, tunnel2->src_port, down); |
1376 | KUNIT_EXPECT_PTR_EQ(test, tunnel2->dst_port, up); |
1377 | KUNIT_ASSERT_EQ(test, tunnel2->npaths, 2); |
1378 | KUNIT_ASSERT_EQ(test, tunnel2->paths[0]->path_length, 2); |
1379 | KUNIT_EXPECT_PTR_EQ(test, tunnel2->paths[0]->hops[0].in_port, down); |
1380 | KUNIT_EXPECT_PTR_EQ(test, tunnel2->paths[0]->hops[1].out_port, up); |
1381 | KUNIT_ASSERT_EQ(test, tunnel2->paths[1]->path_length, 2); |
1382 | KUNIT_EXPECT_PTR_EQ(test, tunnel2->paths[1]->hops[0].in_port, up); |
1383 | KUNIT_EXPECT_PTR_EQ(test, tunnel2->paths[1]->hops[1].out_port, down); |
1384 | |
1385 | tb_tunnel_free(tunnel: tunnel2); |
1386 | tb_tunnel_free(tunnel: tunnel1); |
1387 | } |
1388 | |
1389 | static void tb_test_tunnel_dp(struct kunit *test) |
1390 | { |
1391 | struct tb_switch *host, *dev; |
1392 | struct tb_port *in, *out; |
1393 | struct tb_tunnel *tunnel; |
1394 | |
1395 | /* |
1396 | * Create DP tunnel between Host and Device |
1397 | * |
1398 | * [Host] |
1399 | * 1 | |
1400 | * 1 | |
1401 | * [Device] |
1402 | */ |
1403 | host = alloc_host(test); |
1404 | dev = alloc_dev_default(test, parent: host, route: 0x3, bonded: true); |
1405 | |
1406 | in = &host->ports[5]; |
1407 | out = &dev->ports[13]; |
1408 | |
1409 | tunnel = tb_tunnel_alloc_dp(NULL, in, out, link_nr: 1, max_up: 0, max_down: 0); |
1410 | KUNIT_ASSERT_NOT_NULL(test, tunnel); |
1411 | KUNIT_EXPECT_EQ(test, tunnel->type, TB_TUNNEL_DP); |
1412 | KUNIT_EXPECT_PTR_EQ(test, tunnel->src_port, in); |
1413 | KUNIT_EXPECT_PTR_EQ(test, tunnel->dst_port, out); |
1414 | KUNIT_ASSERT_EQ(test, tunnel->npaths, 3); |
1415 | KUNIT_ASSERT_EQ(test, tunnel->paths[0]->path_length, 2); |
1416 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[0]->hops[0].in_port, in); |
1417 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[0]->hops[1].out_port, out); |
1418 | KUNIT_ASSERT_EQ(test, tunnel->paths[1]->path_length, 2); |
1419 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[1]->hops[0].in_port, in); |
1420 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[1]->hops[1].out_port, out); |
1421 | KUNIT_ASSERT_EQ(test, tunnel->paths[2]->path_length, 2); |
1422 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[2]->hops[0].in_port, out); |
1423 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[2]->hops[1].out_port, in); |
1424 | tb_tunnel_free(tunnel); |
1425 | } |
1426 | |
1427 | static void tb_test_tunnel_dp_chain(struct kunit *test) |
1428 | { |
1429 | struct tb_switch *host, *dev1, *dev4; |
1430 | struct tb_port *in, *out; |
1431 | struct tb_tunnel *tunnel; |
1432 | |
1433 | /* |
1434 | * Create DP tunnel from Host DP IN to Device #4 DP OUT. |
1435 | * |
1436 | * [Host] |
1437 | * 1 | |
1438 | * 1 | |
1439 | * [Device #1] |
1440 | * 3 / | 5 \ 7 |
1441 | * 1 / | \ 1 |
1442 | * [Device #2] | [Device #4] |
1443 | * | 1 |
1444 | * [Device #3] |
1445 | */ |
1446 | host = alloc_host(test); |
1447 | dev1 = alloc_dev_default(test, parent: host, route: 0x1, bonded: true); |
1448 | alloc_dev_default(test, parent: dev1, route: 0x301, bonded: true); |
1449 | alloc_dev_default(test, parent: dev1, route: 0x501, bonded: true); |
1450 | dev4 = alloc_dev_default(test, parent: dev1, route: 0x701, bonded: true); |
1451 | |
1452 | in = &host->ports[5]; |
1453 | out = &dev4->ports[14]; |
1454 | |
1455 | tunnel = tb_tunnel_alloc_dp(NULL, in, out, link_nr: 1, max_up: 0, max_down: 0); |
1456 | KUNIT_ASSERT_NOT_NULL(test, tunnel); |
1457 | KUNIT_EXPECT_EQ(test, tunnel->type, TB_TUNNEL_DP); |
1458 | KUNIT_EXPECT_PTR_EQ(test, tunnel->src_port, in); |
1459 | KUNIT_EXPECT_PTR_EQ(test, tunnel->dst_port, out); |
1460 | KUNIT_ASSERT_EQ(test, tunnel->npaths, 3); |
1461 | KUNIT_ASSERT_EQ(test, tunnel->paths[0]->path_length, 3); |
1462 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[0]->hops[0].in_port, in); |
1463 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[0]->hops[2].out_port, out); |
1464 | KUNIT_ASSERT_EQ(test, tunnel->paths[1]->path_length, 3); |
1465 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[1]->hops[0].in_port, in); |
1466 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[1]->hops[2].out_port, out); |
1467 | KUNIT_ASSERT_EQ(test, tunnel->paths[2]->path_length, 3); |
1468 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[2]->hops[0].in_port, out); |
1469 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[2]->hops[2].out_port, in); |
1470 | tb_tunnel_free(tunnel); |
1471 | } |
1472 | |
1473 | static void tb_test_tunnel_dp_tree(struct kunit *test) |
1474 | { |
1475 | struct tb_switch *host, *dev1, *dev2, *dev3, *dev5; |
1476 | struct tb_port *in, *out; |
1477 | struct tb_tunnel *tunnel; |
1478 | |
1479 | /* |
1480 | * Create DP tunnel from Device #2 DP IN to Device #5 DP OUT. |
1481 | * |
1482 | * [Host] |
1483 | * 3 | |
1484 | * 1 | |
1485 | * [Device #1] |
1486 | * 3 / | 5 \ 7 |
1487 | * 1 / | \ 1 |
1488 | * [Device #2] | [Device #4] |
1489 | * | 1 |
1490 | * [Device #3] |
1491 | * | 5 |
1492 | * | 1 |
1493 | * [Device #5] |
1494 | */ |
1495 | host = alloc_host(test); |
1496 | dev1 = alloc_dev_default(test, parent: host, route: 0x3, bonded: true); |
1497 | dev2 = alloc_dev_with_dpin(test, parent: dev1, route: 0x303, bonded: true); |
1498 | dev3 = alloc_dev_default(test, parent: dev1, route: 0x503, bonded: true); |
1499 | alloc_dev_default(test, parent: dev1, route: 0x703, bonded: true); |
1500 | dev5 = alloc_dev_default(test, parent: dev3, route: 0x50503, bonded: true); |
1501 | |
1502 | in = &dev2->ports[13]; |
1503 | out = &dev5->ports[13]; |
1504 | |
1505 | tunnel = tb_tunnel_alloc_dp(NULL, in, out, link_nr: 1, max_up: 0, max_down: 0); |
1506 | KUNIT_ASSERT_NOT_NULL(test, tunnel); |
1507 | KUNIT_EXPECT_EQ(test, tunnel->type, TB_TUNNEL_DP); |
1508 | KUNIT_EXPECT_PTR_EQ(test, tunnel->src_port, in); |
1509 | KUNIT_EXPECT_PTR_EQ(test, tunnel->dst_port, out); |
1510 | KUNIT_ASSERT_EQ(test, tunnel->npaths, 3); |
1511 | KUNIT_ASSERT_EQ(test, tunnel->paths[0]->path_length, 4); |
1512 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[0]->hops[0].in_port, in); |
1513 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[0]->hops[3].out_port, out); |
1514 | KUNIT_ASSERT_EQ(test, tunnel->paths[1]->path_length, 4); |
1515 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[1]->hops[0].in_port, in); |
1516 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[1]->hops[3].out_port, out); |
1517 | KUNIT_ASSERT_EQ(test, tunnel->paths[2]->path_length, 4); |
1518 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[2]->hops[0].in_port, out); |
1519 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[2]->hops[3].out_port, in); |
1520 | tb_tunnel_free(tunnel); |
1521 | } |
1522 | |
1523 | static void tb_test_tunnel_dp_max_length(struct kunit *test) |
1524 | { |
1525 | struct tb_switch *host, *dev1, *dev2, *dev3, *dev4, *dev5, *dev6; |
1526 | struct tb_switch *dev7, *dev8, *dev9, *dev10, *dev11, *dev12; |
1527 | struct tb_port *in, *out; |
1528 | struct tb_tunnel *tunnel; |
1529 | |
1530 | /* |
1531 | * Creates DP tunnel from Device #6 to Device #12. |
1532 | * |
1533 | * [Host] |
1534 | * 1 / \ 3 |
1535 | * 1 / \ 1 |
1536 | * [Device #1] [Device #7] |
1537 | * 3 | | 3 |
1538 | * 1 | | 1 |
1539 | * [Device #2] [Device #8] |
1540 | * 3 | | 3 |
1541 | * 1 | | 1 |
1542 | * [Device #3] [Device #9] |
1543 | * 3 | | 3 |
1544 | * 1 | | 1 |
1545 | * [Device #4] [Device #10] |
1546 | * 3 | | 3 |
1547 | * 1 | | 1 |
1548 | * [Device #5] [Device #11] |
1549 | * 3 | | 3 |
1550 | * 1 | | 1 |
1551 | * [Device #6] [Device #12] |
1552 | */ |
1553 | host = alloc_host(test); |
1554 | dev1 = alloc_dev_default(test, parent: host, route: 0x1, bonded: true); |
1555 | dev2 = alloc_dev_default(test, parent: dev1, route: 0x301, bonded: true); |
1556 | dev3 = alloc_dev_default(test, parent: dev2, route: 0x30301, bonded: true); |
1557 | dev4 = alloc_dev_default(test, parent: dev3, route: 0x3030301, bonded: true); |
1558 | dev5 = alloc_dev_default(test, parent: dev4, route: 0x303030301, bonded: true); |
1559 | dev6 = alloc_dev_with_dpin(test, parent: dev5, route: 0x30303030301, bonded: true); |
1560 | dev7 = alloc_dev_default(test, parent: host, route: 0x3, bonded: true); |
1561 | dev8 = alloc_dev_default(test, parent: dev7, route: 0x303, bonded: true); |
1562 | dev9 = alloc_dev_default(test, parent: dev8, route: 0x30303, bonded: true); |
1563 | dev10 = alloc_dev_default(test, parent: dev9, route: 0x3030303, bonded: true); |
1564 | dev11 = alloc_dev_default(test, parent: dev10, route: 0x303030303, bonded: true); |
1565 | dev12 = alloc_dev_default(test, parent: dev11, route: 0x30303030303, bonded: true); |
1566 | |
1567 | in = &dev6->ports[13]; |
1568 | out = &dev12->ports[13]; |
1569 | |
1570 | tunnel = tb_tunnel_alloc_dp(NULL, in, out, link_nr: 1, max_up: 0, max_down: 0); |
1571 | KUNIT_ASSERT_NOT_NULL(test, tunnel); |
1572 | KUNIT_EXPECT_EQ(test, tunnel->type, TB_TUNNEL_DP); |
1573 | KUNIT_EXPECT_PTR_EQ(test, tunnel->src_port, in); |
1574 | KUNIT_EXPECT_PTR_EQ(test, tunnel->dst_port, out); |
1575 | KUNIT_ASSERT_EQ(test, tunnel->npaths, 3); |
1576 | KUNIT_ASSERT_EQ(test, tunnel->paths[0]->path_length, 13); |
1577 | /* First hop */ |
1578 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[0]->hops[0].in_port, in); |
1579 | /* Middle */ |
1580 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[0]->hops[6].in_port, |
1581 | &host->ports[1]); |
1582 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[0]->hops[6].out_port, |
1583 | &host->ports[3]); |
1584 | /* Last */ |
1585 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[0]->hops[12].out_port, out); |
1586 | KUNIT_ASSERT_EQ(test, tunnel->paths[1]->path_length, 13); |
1587 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[1]->hops[0].in_port, in); |
1588 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[1]->hops[6].in_port, |
1589 | &host->ports[1]); |
1590 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[1]->hops[6].out_port, |
1591 | &host->ports[3]); |
1592 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[1]->hops[12].out_port, out); |
1593 | KUNIT_ASSERT_EQ(test, tunnel->paths[2]->path_length, 13); |
1594 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[2]->hops[0].in_port, out); |
1595 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[2]->hops[6].in_port, |
1596 | &host->ports[3]); |
1597 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[2]->hops[6].out_port, |
1598 | &host->ports[1]); |
1599 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[2]->hops[12].out_port, in); |
1600 | tb_tunnel_free(tunnel); |
1601 | } |
1602 | |
1603 | static void tb_test_tunnel_3dp(struct kunit *test) |
1604 | { |
1605 | struct tb_switch *host, *dev1, *dev2, *dev3, *dev4, *dev5; |
1606 | struct tb_port *in1, *in2, *in3, *out1, *out2, *out3; |
1607 | struct tb_tunnel *tunnel1, *tunnel2, *tunnel3; |
1608 | |
1609 | /* |
1610 | * Create 3 DP tunnels from Host to Devices #2, #5 and #4. |
1611 | * |
1612 | * [Host] |
1613 | * 3 | |
1614 | * 1 | |
1615 | * [Device #1] |
1616 | * 3 / | 5 \ 7 |
1617 | * 1 / | \ 1 |
1618 | * [Device #2] | [Device #4] |
1619 | * | 1 |
1620 | * [Device #3] |
1621 | * | 5 |
1622 | * | 1 |
1623 | * [Device #5] |
1624 | */ |
1625 | host = alloc_host_br(test); |
1626 | dev1 = alloc_dev_default(test, parent: host, route: 0x3, bonded: true); |
1627 | dev2 = alloc_dev_default(test, parent: dev1, route: 0x303, bonded: true); |
1628 | dev3 = alloc_dev_default(test, parent: dev1, route: 0x503, bonded: true); |
1629 | dev4 = alloc_dev_default(test, parent: dev1, route: 0x703, bonded: true); |
1630 | dev5 = alloc_dev_default(test, parent: dev3, route: 0x50503, bonded: true); |
1631 | |
1632 | in1 = &host->ports[5]; |
1633 | in2 = &host->ports[6]; |
1634 | in3 = &host->ports[10]; |
1635 | |
1636 | out1 = &dev2->ports[13]; |
1637 | out2 = &dev5->ports[13]; |
1638 | out3 = &dev4->ports[14]; |
1639 | |
1640 | tunnel1 = tb_tunnel_alloc_dp(NULL, in: in1, out: out1, link_nr: 1, max_up: 0, max_down: 0); |
1641 | KUNIT_ASSERT_TRUE(test, tunnel1 != NULL); |
1642 | KUNIT_EXPECT_EQ(test, tunnel1->type, TB_TUNNEL_DP); |
1643 | KUNIT_EXPECT_PTR_EQ(test, tunnel1->src_port, in1); |
1644 | KUNIT_EXPECT_PTR_EQ(test, tunnel1->dst_port, out1); |
1645 | KUNIT_ASSERT_EQ(test, tunnel1->npaths, 3); |
1646 | KUNIT_ASSERT_EQ(test, tunnel1->paths[0]->path_length, 3); |
1647 | |
1648 | tunnel2 = tb_tunnel_alloc_dp(NULL, in: in2, out: out2, link_nr: 1, max_up: 0, max_down: 0); |
1649 | KUNIT_ASSERT_TRUE(test, tunnel2 != NULL); |
1650 | KUNIT_EXPECT_EQ(test, tunnel2->type, TB_TUNNEL_DP); |
1651 | KUNIT_EXPECT_PTR_EQ(test, tunnel2->src_port, in2); |
1652 | KUNIT_EXPECT_PTR_EQ(test, tunnel2->dst_port, out2); |
1653 | KUNIT_ASSERT_EQ(test, tunnel2->npaths, 3); |
1654 | KUNIT_ASSERT_EQ(test, tunnel2->paths[0]->path_length, 4); |
1655 | |
1656 | tunnel3 = tb_tunnel_alloc_dp(NULL, in: in3, out: out3, link_nr: 1, max_up: 0, max_down: 0); |
1657 | KUNIT_ASSERT_TRUE(test, tunnel3 != NULL); |
1658 | KUNIT_EXPECT_EQ(test, tunnel3->type, TB_TUNNEL_DP); |
1659 | KUNIT_EXPECT_PTR_EQ(test, tunnel3->src_port, in3); |
1660 | KUNIT_EXPECT_PTR_EQ(test, tunnel3->dst_port, out3); |
1661 | KUNIT_ASSERT_EQ(test, tunnel3->npaths, 3); |
1662 | KUNIT_ASSERT_EQ(test, tunnel3->paths[0]->path_length, 3); |
1663 | |
1664 | tb_tunnel_free(tunnel: tunnel2); |
1665 | tb_tunnel_free(tunnel: tunnel1); |
1666 | } |
1667 | |
1668 | static void tb_test_tunnel_usb3(struct kunit *test) |
1669 | { |
1670 | struct tb_switch *host, *dev1, *dev2; |
1671 | struct tb_tunnel *tunnel1, *tunnel2; |
1672 | struct tb_port *down, *up; |
1673 | |
1674 | /* |
1675 | * Create USB3 tunnel between host and two devices. |
1676 | * |
1677 | * [Host] |
1678 | * 1 | |
1679 | * 1 | |
1680 | * [Device #1] |
1681 | * \ 7 |
1682 | * \ 1 |
1683 | * [Device #2] |
1684 | */ |
1685 | host = alloc_host(test); |
1686 | dev1 = alloc_dev_default(test, parent: host, route: 0x1, bonded: true); |
1687 | dev2 = alloc_dev_default(test, parent: dev1, route: 0x701, bonded: true); |
1688 | |
1689 | down = &host->ports[12]; |
1690 | up = &dev1->ports[16]; |
1691 | tunnel1 = tb_tunnel_alloc_usb3(NULL, up, down, max_up: 0, max_down: 0); |
1692 | KUNIT_ASSERT_NOT_NULL(test, tunnel1); |
1693 | KUNIT_EXPECT_EQ(test, tunnel1->type, TB_TUNNEL_USB3); |
1694 | KUNIT_EXPECT_PTR_EQ(test, tunnel1->src_port, down); |
1695 | KUNIT_EXPECT_PTR_EQ(test, tunnel1->dst_port, up); |
1696 | KUNIT_ASSERT_EQ(test, tunnel1->npaths, 2); |
1697 | KUNIT_ASSERT_EQ(test, tunnel1->paths[0]->path_length, 2); |
1698 | KUNIT_EXPECT_PTR_EQ(test, tunnel1->paths[0]->hops[0].in_port, down); |
1699 | KUNIT_EXPECT_PTR_EQ(test, tunnel1->paths[0]->hops[1].out_port, up); |
1700 | KUNIT_ASSERT_EQ(test, tunnel1->paths[1]->path_length, 2); |
1701 | KUNIT_EXPECT_PTR_EQ(test, tunnel1->paths[1]->hops[0].in_port, up); |
1702 | KUNIT_EXPECT_PTR_EQ(test, tunnel1->paths[1]->hops[1].out_port, down); |
1703 | |
1704 | down = &dev1->ports[17]; |
1705 | up = &dev2->ports[16]; |
1706 | tunnel2 = tb_tunnel_alloc_usb3(NULL, up, down, max_up: 0, max_down: 0); |
1707 | KUNIT_ASSERT_NOT_NULL(test, tunnel2); |
1708 | KUNIT_EXPECT_EQ(test, tunnel2->type, TB_TUNNEL_USB3); |
1709 | KUNIT_EXPECT_PTR_EQ(test, tunnel2->src_port, down); |
1710 | KUNIT_EXPECT_PTR_EQ(test, tunnel2->dst_port, up); |
1711 | KUNIT_ASSERT_EQ(test, tunnel2->npaths, 2); |
1712 | KUNIT_ASSERT_EQ(test, tunnel2->paths[0]->path_length, 2); |
1713 | KUNIT_EXPECT_PTR_EQ(test, tunnel2->paths[0]->hops[0].in_port, down); |
1714 | KUNIT_EXPECT_PTR_EQ(test, tunnel2->paths[0]->hops[1].out_port, up); |
1715 | KUNIT_ASSERT_EQ(test, tunnel2->paths[1]->path_length, 2); |
1716 | KUNIT_EXPECT_PTR_EQ(test, tunnel2->paths[1]->hops[0].in_port, up); |
1717 | KUNIT_EXPECT_PTR_EQ(test, tunnel2->paths[1]->hops[1].out_port, down); |
1718 | |
1719 | tb_tunnel_free(tunnel: tunnel2); |
1720 | tb_tunnel_free(tunnel: tunnel1); |
1721 | } |
1722 | |
1723 | static void tb_test_tunnel_port_on_path(struct kunit *test) |
1724 | { |
1725 | struct tb_switch *host, *dev1, *dev2, *dev3, *dev4, *dev5; |
1726 | struct tb_port *in, *out, *port; |
1727 | struct tb_tunnel *dp_tunnel; |
1728 | |
1729 | /* |
1730 | * [Host] |
1731 | * 3 | |
1732 | * 1 | |
1733 | * [Device #1] |
1734 | * 3 / | 5 \ 7 |
1735 | * 1 / | \ 1 |
1736 | * [Device #2] | [Device #4] |
1737 | * | 1 |
1738 | * [Device #3] |
1739 | * | 5 |
1740 | * | 1 |
1741 | * [Device #5] |
1742 | */ |
1743 | host = alloc_host(test); |
1744 | dev1 = alloc_dev_default(test, parent: host, route: 0x3, bonded: true); |
1745 | dev2 = alloc_dev_with_dpin(test, parent: dev1, route: 0x303, bonded: true); |
1746 | dev3 = alloc_dev_default(test, parent: dev1, route: 0x503, bonded: true); |
1747 | dev4 = alloc_dev_default(test, parent: dev1, route: 0x703, bonded: true); |
1748 | dev5 = alloc_dev_default(test, parent: dev3, route: 0x50503, bonded: true); |
1749 | |
1750 | in = &dev2->ports[13]; |
1751 | out = &dev5->ports[13]; |
1752 | |
1753 | dp_tunnel = tb_tunnel_alloc_dp(NULL, in, out, link_nr: 1, max_up: 0, max_down: 0); |
1754 | KUNIT_ASSERT_NOT_NULL(test, dp_tunnel); |
1755 | |
1756 | KUNIT_EXPECT_TRUE(test, tb_tunnel_port_on_path(dp_tunnel, in)); |
1757 | KUNIT_EXPECT_TRUE(test, tb_tunnel_port_on_path(dp_tunnel, out)); |
1758 | |
1759 | port = &host->ports[8]; |
1760 | KUNIT_EXPECT_FALSE(test, tb_tunnel_port_on_path(dp_tunnel, port)); |
1761 | |
1762 | port = &host->ports[3]; |
1763 | KUNIT_EXPECT_FALSE(test, tb_tunnel_port_on_path(dp_tunnel, port)); |
1764 | |
1765 | port = &dev1->ports[1]; |
1766 | KUNIT_EXPECT_FALSE(test, tb_tunnel_port_on_path(dp_tunnel, port)); |
1767 | |
1768 | port = &dev1->ports[3]; |
1769 | KUNIT_EXPECT_TRUE(test, tb_tunnel_port_on_path(dp_tunnel, port)); |
1770 | |
1771 | port = &dev1->ports[5]; |
1772 | KUNIT_EXPECT_TRUE(test, tb_tunnel_port_on_path(dp_tunnel, port)); |
1773 | |
1774 | port = &dev1->ports[7]; |
1775 | KUNIT_EXPECT_FALSE(test, tb_tunnel_port_on_path(dp_tunnel, port)); |
1776 | |
1777 | port = &dev3->ports[1]; |
1778 | KUNIT_EXPECT_TRUE(test, tb_tunnel_port_on_path(dp_tunnel, port)); |
1779 | |
1780 | port = &dev5->ports[1]; |
1781 | KUNIT_EXPECT_TRUE(test, tb_tunnel_port_on_path(dp_tunnel, port)); |
1782 | |
1783 | port = &dev4->ports[1]; |
1784 | KUNIT_EXPECT_FALSE(test, tb_tunnel_port_on_path(dp_tunnel, port)); |
1785 | |
1786 | tb_tunnel_free(tunnel: dp_tunnel); |
1787 | } |
1788 | |
1789 | static void tb_test_tunnel_dma(struct kunit *test) |
1790 | { |
1791 | struct tb_port *nhi, *port; |
1792 | struct tb_tunnel *tunnel; |
1793 | struct tb_switch *host; |
1794 | |
1795 | /* |
1796 | * Create DMA tunnel from NHI to port 1 and back. |
1797 | * |
1798 | * [Host 1] |
1799 | * 1 ^ In HopID 1 -> Out HopID 8 |
1800 | * | |
1801 | * v In HopID 8 -> Out HopID 1 |
1802 | * ............ Domain border |
1803 | * | |
1804 | * [Host 2] |
1805 | */ |
1806 | host = alloc_host(test); |
1807 | nhi = &host->ports[7]; |
1808 | port = &host->ports[1]; |
1809 | |
1810 | tunnel = tb_tunnel_alloc_dma(NULL, nhi, dst: port, transmit_path: 8, transmit_ring: 1, receive_path: 8, receive_ring: 1); |
1811 | KUNIT_ASSERT_NOT_NULL(test, tunnel); |
1812 | KUNIT_EXPECT_EQ(test, tunnel->type, TB_TUNNEL_DMA); |
1813 | KUNIT_EXPECT_PTR_EQ(test, tunnel->src_port, nhi); |
1814 | KUNIT_EXPECT_PTR_EQ(test, tunnel->dst_port, port); |
1815 | KUNIT_ASSERT_EQ(test, tunnel->npaths, 2); |
1816 | /* RX path */ |
1817 | KUNIT_ASSERT_EQ(test, tunnel->paths[0]->path_length, 1); |
1818 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[0]->hops[0].in_port, port); |
1819 | KUNIT_EXPECT_EQ(test, tunnel->paths[0]->hops[0].in_hop_index, 8); |
1820 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[0]->hops[0].out_port, nhi); |
1821 | KUNIT_EXPECT_EQ(test, tunnel->paths[0]->hops[0].next_hop_index, 1); |
1822 | /* TX path */ |
1823 | KUNIT_ASSERT_EQ(test, tunnel->paths[1]->path_length, 1); |
1824 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[1]->hops[0].in_port, nhi); |
1825 | KUNIT_EXPECT_EQ(test, tunnel->paths[1]->hops[0].in_hop_index, 1); |
1826 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[1]->hops[0].out_port, port); |
1827 | KUNIT_EXPECT_EQ(test, tunnel->paths[1]->hops[0].next_hop_index, 8); |
1828 | |
1829 | tb_tunnel_free(tunnel); |
1830 | } |
1831 | |
1832 | static void tb_test_tunnel_dma_rx(struct kunit *test) |
1833 | { |
1834 | struct tb_port *nhi, *port; |
1835 | struct tb_tunnel *tunnel; |
1836 | struct tb_switch *host; |
1837 | |
1838 | /* |
1839 | * Create DMA RX tunnel from port 1 to NHI. |
1840 | * |
1841 | * [Host 1] |
1842 | * 1 ^ |
1843 | * | |
1844 | * | In HopID 15 -> Out HopID 2 |
1845 | * ............ Domain border |
1846 | * | |
1847 | * [Host 2] |
1848 | */ |
1849 | host = alloc_host(test); |
1850 | nhi = &host->ports[7]; |
1851 | port = &host->ports[1]; |
1852 | |
1853 | tunnel = tb_tunnel_alloc_dma(NULL, nhi, dst: port, transmit_path: -1, transmit_ring: -1, receive_path: 15, receive_ring: 2); |
1854 | KUNIT_ASSERT_NOT_NULL(test, tunnel); |
1855 | KUNIT_EXPECT_EQ(test, tunnel->type, TB_TUNNEL_DMA); |
1856 | KUNIT_EXPECT_PTR_EQ(test, tunnel->src_port, nhi); |
1857 | KUNIT_EXPECT_PTR_EQ(test, tunnel->dst_port, port); |
1858 | KUNIT_ASSERT_EQ(test, tunnel->npaths, 1); |
1859 | /* RX path */ |
1860 | KUNIT_ASSERT_EQ(test, tunnel->paths[0]->path_length, 1); |
1861 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[0]->hops[0].in_port, port); |
1862 | KUNIT_EXPECT_EQ(test, tunnel->paths[0]->hops[0].in_hop_index, 15); |
1863 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[0]->hops[0].out_port, nhi); |
1864 | KUNIT_EXPECT_EQ(test, tunnel->paths[0]->hops[0].next_hop_index, 2); |
1865 | |
1866 | tb_tunnel_free(tunnel); |
1867 | } |
1868 | |
1869 | static void tb_test_tunnel_dma_tx(struct kunit *test) |
1870 | { |
1871 | struct tb_port *nhi, *port; |
1872 | struct tb_tunnel *tunnel; |
1873 | struct tb_switch *host; |
1874 | |
1875 | /* |
1876 | * Create DMA TX tunnel from NHI to port 1. |
1877 | * |
1878 | * [Host 1] |
1879 | * 1 | In HopID 2 -> Out HopID 15 |
1880 | * | |
1881 | * v |
1882 | * ............ Domain border |
1883 | * | |
1884 | * [Host 2] |
1885 | */ |
1886 | host = alloc_host(test); |
1887 | nhi = &host->ports[7]; |
1888 | port = &host->ports[1]; |
1889 | |
1890 | tunnel = tb_tunnel_alloc_dma(NULL, nhi, dst: port, transmit_path: 15, transmit_ring: 2, receive_path: -1, receive_ring: -1); |
1891 | KUNIT_ASSERT_NOT_NULL(test, tunnel); |
1892 | KUNIT_EXPECT_EQ(test, tunnel->type, TB_TUNNEL_DMA); |
1893 | KUNIT_EXPECT_PTR_EQ(test, tunnel->src_port, nhi); |
1894 | KUNIT_EXPECT_PTR_EQ(test, tunnel->dst_port, port); |
1895 | KUNIT_ASSERT_EQ(test, tunnel->npaths, 1); |
1896 | /* TX path */ |
1897 | KUNIT_ASSERT_EQ(test, tunnel->paths[0]->path_length, 1); |
1898 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[0]->hops[0].in_port, nhi); |
1899 | KUNIT_EXPECT_EQ(test, tunnel->paths[0]->hops[0].in_hop_index, 2); |
1900 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[0]->hops[0].out_port, port); |
1901 | KUNIT_EXPECT_EQ(test, tunnel->paths[0]->hops[0].next_hop_index, 15); |
1902 | |
1903 | tb_tunnel_free(tunnel); |
1904 | } |
1905 | |
1906 | static void tb_test_tunnel_dma_chain(struct kunit *test) |
1907 | { |
1908 | struct tb_switch *host, *dev1, *dev2; |
1909 | struct tb_port *nhi, *port; |
1910 | struct tb_tunnel *tunnel; |
1911 | |
1912 | /* |
1913 | * Create DMA tunnel from NHI to Device #2 port 3 and back. |
1914 | * |
1915 | * [Host 1] |
1916 | * 1 ^ In HopID 1 -> Out HopID x |
1917 | * | |
1918 | * 1 | In HopID x -> Out HopID 1 |
1919 | * [Device #1] |
1920 | * 7 \ |
1921 | * 1 \ |
1922 | * [Device #2] |
1923 | * 3 | In HopID x -> Out HopID 8 |
1924 | * | |
1925 | * v In HopID 8 -> Out HopID x |
1926 | * ............ Domain border |
1927 | * | |
1928 | * [Host 2] |
1929 | */ |
1930 | host = alloc_host(test); |
1931 | dev1 = alloc_dev_default(test, parent: host, route: 0x1, bonded: true); |
1932 | dev2 = alloc_dev_default(test, parent: dev1, route: 0x701, bonded: true); |
1933 | |
1934 | nhi = &host->ports[7]; |
1935 | port = &dev2->ports[3]; |
1936 | tunnel = tb_tunnel_alloc_dma(NULL, nhi, dst: port, transmit_path: 8, transmit_ring: 1, receive_path: 8, receive_ring: 1); |
1937 | KUNIT_ASSERT_NOT_NULL(test, tunnel); |
1938 | KUNIT_EXPECT_EQ(test, tunnel->type, TB_TUNNEL_DMA); |
1939 | KUNIT_EXPECT_PTR_EQ(test, tunnel->src_port, nhi); |
1940 | KUNIT_EXPECT_PTR_EQ(test, tunnel->dst_port, port); |
1941 | KUNIT_ASSERT_EQ(test, tunnel->npaths, 2); |
1942 | /* RX path */ |
1943 | KUNIT_ASSERT_EQ(test, tunnel->paths[0]->path_length, 3); |
1944 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[0]->hops[0].in_port, port); |
1945 | KUNIT_EXPECT_EQ(test, tunnel->paths[0]->hops[0].in_hop_index, 8); |
1946 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[0]->hops[0].out_port, |
1947 | &dev2->ports[1]); |
1948 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[0]->hops[1].in_port, |
1949 | &dev1->ports[7]); |
1950 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[0]->hops[1].out_port, |
1951 | &dev1->ports[1]); |
1952 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[0]->hops[2].in_port, |
1953 | &host->ports[1]); |
1954 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[0]->hops[2].out_port, nhi); |
1955 | KUNIT_EXPECT_EQ(test, tunnel->paths[0]->hops[2].next_hop_index, 1); |
1956 | /* TX path */ |
1957 | KUNIT_ASSERT_EQ(test, tunnel->paths[1]->path_length, 3); |
1958 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[1]->hops[0].in_port, nhi); |
1959 | KUNIT_EXPECT_EQ(test, tunnel->paths[1]->hops[0].in_hop_index, 1); |
1960 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[1]->hops[1].in_port, |
1961 | &dev1->ports[1]); |
1962 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[1]->hops[1].out_port, |
1963 | &dev1->ports[7]); |
1964 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[1]->hops[2].in_port, |
1965 | &dev2->ports[1]); |
1966 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[1]->hops[2].out_port, port); |
1967 | KUNIT_EXPECT_EQ(test, tunnel->paths[1]->hops[2].next_hop_index, 8); |
1968 | |
1969 | tb_tunnel_free(tunnel); |
1970 | } |
1971 | |
1972 | static void tb_test_tunnel_dma_match(struct kunit *test) |
1973 | { |
1974 | struct tb_port *nhi, *port; |
1975 | struct tb_tunnel *tunnel; |
1976 | struct tb_switch *host; |
1977 | |
1978 | host = alloc_host(test); |
1979 | nhi = &host->ports[7]; |
1980 | port = &host->ports[1]; |
1981 | |
1982 | tunnel = tb_tunnel_alloc_dma(NULL, nhi, dst: port, transmit_path: 15, transmit_ring: 1, receive_path: 15, receive_ring: 1); |
1983 | KUNIT_ASSERT_NOT_NULL(test, tunnel); |
1984 | |
1985 | KUNIT_ASSERT_TRUE(test, tb_tunnel_match_dma(tunnel, 15, 1, 15, 1)); |
1986 | KUNIT_ASSERT_FALSE(test, tb_tunnel_match_dma(tunnel, 8, 1, 15, 1)); |
1987 | KUNIT_ASSERT_TRUE(test, tb_tunnel_match_dma(tunnel, -1, -1, 15, 1)); |
1988 | KUNIT_ASSERT_TRUE(test, tb_tunnel_match_dma(tunnel, 15, 1, -1, -1)); |
1989 | KUNIT_ASSERT_TRUE(test, tb_tunnel_match_dma(tunnel, 15, -1, -1, -1)); |
1990 | KUNIT_ASSERT_TRUE(test, tb_tunnel_match_dma(tunnel, -1, 1, -1, -1)); |
1991 | KUNIT_ASSERT_TRUE(test, tb_tunnel_match_dma(tunnel, -1, -1, 15, -1)); |
1992 | KUNIT_ASSERT_TRUE(test, tb_tunnel_match_dma(tunnel, -1, -1, -1, 1)); |
1993 | KUNIT_ASSERT_TRUE(test, tb_tunnel_match_dma(tunnel, -1, -1, -1, -1)); |
1994 | KUNIT_ASSERT_FALSE(test, tb_tunnel_match_dma(tunnel, 8, -1, 8, -1)); |
1995 | |
1996 | tb_tunnel_free(tunnel); |
1997 | |
1998 | tunnel = tb_tunnel_alloc_dma(NULL, nhi, dst: port, transmit_path: 15, transmit_ring: 1, receive_path: -1, receive_ring: -1); |
1999 | KUNIT_ASSERT_NOT_NULL(test, tunnel); |
2000 | KUNIT_ASSERT_TRUE(test, tb_tunnel_match_dma(tunnel, 15, 1, -1, -1)); |
2001 | KUNIT_ASSERT_TRUE(test, tb_tunnel_match_dma(tunnel, 15, -1, -1, -1)); |
2002 | KUNIT_ASSERT_TRUE(test, tb_tunnel_match_dma(tunnel, -1, 1, -1, -1)); |
2003 | KUNIT_ASSERT_TRUE(test, tb_tunnel_match_dma(tunnel, -1, -1, -1, -1)); |
2004 | KUNIT_ASSERT_FALSE(test, tb_tunnel_match_dma(tunnel, 15, 1, 15, 1)); |
2005 | KUNIT_ASSERT_FALSE(test, tb_tunnel_match_dma(tunnel, -1, -1, 15, 1)); |
2006 | KUNIT_ASSERT_FALSE(test, tb_tunnel_match_dma(tunnel, 15, 11, -1, -1)); |
2007 | |
2008 | tb_tunnel_free(tunnel); |
2009 | |
2010 | tunnel = tb_tunnel_alloc_dma(NULL, nhi, dst: port, transmit_path: -1, transmit_ring: -1, receive_path: 15, receive_ring: 11); |
2011 | KUNIT_ASSERT_NOT_NULL(test, tunnel); |
2012 | KUNIT_ASSERT_TRUE(test, tb_tunnel_match_dma(tunnel, -1, -1, 15, 11)); |
2013 | KUNIT_ASSERT_TRUE(test, tb_tunnel_match_dma(tunnel, -1, -1, 15, -1)); |
2014 | KUNIT_ASSERT_TRUE(test, tb_tunnel_match_dma(tunnel, -1, -1, -1, 11)); |
2015 | KUNIT_ASSERT_TRUE(test, tb_tunnel_match_dma(tunnel, -1, -1, -1, -1)); |
2016 | KUNIT_ASSERT_FALSE(test, tb_tunnel_match_dma(tunnel, -1, -1, 15, 1)); |
2017 | KUNIT_ASSERT_FALSE(test, tb_tunnel_match_dma(tunnel, -1, -1, 10, 11)); |
2018 | KUNIT_ASSERT_FALSE(test, tb_tunnel_match_dma(tunnel, 15, 11, -1, -1)); |
2019 | |
2020 | tb_tunnel_free(tunnel); |
2021 | } |
2022 | |
2023 | static void tb_test_credit_alloc_legacy_not_bonded(struct kunit *test) |
2024 | { |
2025 | struct tb_switch *host, *dev; |
2026 | struct tb_port *up, *down; |
2027 | struct tb_tunnel *tunnel; |
2028 | struct tb_path *path; |
2029 | |
2030 | host = alloc_host(test); |
2031 | dev = alloc_dev_default(test, parent: host, route: 0x1, bonded: false); |
2032 | |
2033 | down = &host->ports[8]; |
2034 | up = &dev->ports[9]; |
2035 | tunnel = tb_tunnel_alloc_pci(NULL, up, down); |
2036 | KUNIT_ASSERT_NOT_NULL(test, tunnel); |
2037 | KUNIT_ASSERT_EQ(test, tunnel->npaths, (size_t)2); |
2038 | |
2039 | path = tunnel->paths[0]; |
2040 | KUNIT_ASSERT_EQ(test, path->path_length, 2); |
2041 | KUNIT_EXPECT_EQ(test, path->hops[0].nfc_credits, 0U); |
2042 | KUNIT_EXPECT_EQ(test, path->hops[0].initial_credits, 7U); |
2043 | KUNIT_EXPECT_EQ(test, path->hops[1].nfc_credits, 0U); |
2044 | KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 16U); |
2045 | |
2046 | path = tunnel->paths[1]; |
2047 | KUNIT_ASSERT_EQ(test, path->path_length, 2); |
2048 | KUNIT_EXPECT_EQ(test, path->hops[0].nfc_credits, 0U); |
2049 | KUNIT_EXPECT_EQ(test, path->hops[0].initial_credits, 7U); |
2050 | KUNIT_EXPECT_EQ(test, path->hops[1].nfc_credits, 0U); |
2051 | KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 16U); |
2052 | |
2053 | tb_tunnel_free(tunnel); |
2054 | } |
2055 | |
2056 | static void tb_test_credit_alloc_legacy_bonded(struct kunit *test) |
2057 | { |
2058 | struct tb_switch *host, *dev; |
2059 | struct tb_port *up, *down; |
2060 | struct tb_tunnel *tunnel; |
2061 | struct tb_path *path; |
2062 | |
2063 | host = alloc_host(test); |
2064 | dev = alloc_dev_default(test, parent: host, route: 0x1, bonded: true); |
2065 | |
2066 | down = &host->ports[8]; |
2067 | up = &dev->ports[9]; |
2068 | tunnel = tb_tunnel_alloc_pci(NULL, up, down); |
2069 | KUNIT_ASSERT_NOT_NULL(test, tunnel); |
2070 | KUNIT_ASSERT_EQ(test, tunnel->npaths, (size_t)2); |
2071 | |
2072 | path = tunnel->paths[0]; |
2073 | KUNIT_ASSERT_EQ(test, path->path_length, 2); |
2074 | KUNIT_EXPECT_EQ(test, path->hops[0].nfc_credits, 0U); |
2075 | KUNIT_EXPECT_EQ(test, path->hops[0].initial_credits, 7U); |
2076 | KUNIT_EXPECT_EQ(test, path->hops[1].nfc_credits, 0U); |
2077 | KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 32U); |
2078 | |
2079 | path = tunnel->paths[1]; |
2080 | KUNIT_ASSERT_EQ(test, path->path_length, 2); |
2081 | KUNIT_EXPECT_EQ(test, path->hops[0].nfc_credits, 0U); |
2082 | KUNIT_EXPECT_EQ(test, path->hops[0].initial_credits, 7U); |
2083 | KUNIT_EXPECT_EQ(test, path->hops[1].nfc_credits, 0U); |
2084 | KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 32U); |
2085 | |
2086 | tb_tunnel_free(tunnel); |
2087 | } |
2088 | |
2089 | static void tb_test_credit_alloc_pcie(struct kunit *test) |
2090 | { |
2091 | struct tb_switch *host, *dev; |
2092 | struct tb_port *up, *down; |
2093 | struct tb_tunnel *tunnel; |
2094 | struct tb_path *path; |
2095 | |
2096 | host = alloc_host_usb4(test); |
2097 | dev = alloc_dev_usb4(test, parent: host, route: 0x1, bonded: true); |
2098 | |
2099 | down = &host->ports[8]; |
2100 | up = &dev->ports[9]; |
2101 | tunnel = tb_tunnel_alloc_pci(NULL, up, down); |
2102 | KUNIT_ASSERT_NOT_NULL(test, tunnel); |
2103 | KUNIT_ASSERT_EQ(test, tunnel->npaths, (size_t)2); |
2104 | |
2105 | path = tunnel->paths[0]; |
2106 | KUNIT_ASSERT_EQ(test, path->path_length, 2); |
2107 | KUNIT_EXPECT_EQ(test, path->hops[0].nfc_credits, 0U); |
2108 | KUNIT_EXPECT_EQ(test, path->hops[0].initial_credits, 7U); |
2109 | KUNIT_EXPECT_EQ(test, path->hops[1].nfc_credits, 0U); |
2110 | KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 32U); |
2111 | |
2112 | path = tunnel->paths[1]; |
2113 | KUNIT_ASSERT_EQ(test, path->path_length, 2); |
2114 | KUNIT_EXPECT_EQ(test, path->hops[0].nfc_credits, 0U); |
2115 | KUNIT_EXPECT_EQ(test, path->hops[0].initial_credits, 7U); |
2116 | KUNIT_EXPECT_EQ(test, path->hops[1].nfc_credits, 0U); |
2117 | KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 64U); |
2118 | |
2119 | tb_tunnel_free(tunnel); |
2120 | } |
2121 | |
2122 | static void tb_test_credit_alloc_without_dp(struct kunit *test) |
2123 | { |
2124 | struct tb_switch *host, *dev; |
2125 | struct tb_port *up, *down; |
2126 | struct tb_tunnel *tunnel; |
2127 | struct tb_path *path; |
2128 | |
2129 | host = alloc_host_usb4(test); |
2130 | dev = alloc_dev_without_dp(test, parent: host, route: 0x1, bonded: true); |
2131 | |
2132 | /* |
2133 | * The device has no DP therefore baMinDPmain = baMinDPaux = 0 |
2134 | * |
2135 | * Create PCIe path with buffers less than baMaxPCIe. |
2136 | * |
2137 | * For a device with buffers configurations: |
2138 | * baMaxUSB3 = 109 |
2139 | * baMinDPaux = 0 |
2140 | * baMinDPmain = 0 |
2141 | * baMaxPCIe = 30 |
2142 | * baMaxHI = 1 |
2143 | * Remaining Buffers = Total - (CP + DP) = 120 - (2 + 0) = 118 |
2144 | * PCIe Credits = Max(6, Min(baMaxPCIe, Remaining Buffers - baMaxUSB3) |
2145 | * = Max(6, Min(30, 9) = 9 |
2146 | */ |
2147 | down = &host->ports[8]; |
2148 | up = &dev->ports[9]; |
2149 | tunnel = tb_tunnel_alloc_pci(NULL, up, down); |
2150 | KUNIT_ASSERT_TRUE(test, tunnel != NULL); |
2151 | KUNIT_ASSERT_EQ(test, tunnel->npaths, (size_t)2); |
2152 | |
2153 | /* PCIe downstream path */ |
2154 | path = tunnel->paths[0]; |
2155 | KUNIT_ASSERT_EQ(test, path->path_length, 2); |
2156 | KUNIT_EXPECT_EQ(test, path->hops[0].nfc_credits, 0U); |
2157 | KUNIT_EXPECT_EQ(test, path->hops[0].initial_credits, 7U); |
2158 | KUNIT_EXPECT_EQ(test, path->hops[1].nfc_credits, 0U); |
2159 | KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 9U); |
2160 | |
2161 | /* PCIe upstream path */ |
2162 | path = tunnel->paths[1]; |
2163 | KUNIT_ASSERT_EQ(test, path->path_length, 2); |
2164 | KUNIT_EXPECT_EQ(test, path->hops[0].nfc_credits, 0U); |
2165 | KUNIT_EXPECT_EQ(test, path->hops[0].initial_credits, 7U); |
2166 | KUNIT_EXPECT_EQ(test, path->hops[1].nfc_credits, 0U); |
2167 | KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 64U); |
2168 | |
2169 | tb_tunnel_free(tunnel); |
2170 | } |
2171 | |
2172 | static void tb_test_credit_alloc_dp(struct kunit *test) |
2173 | { |
2174 | struct tb_switch *host, *dev; |
2175 | struct tb_port *in, *out; |
2176 | struct tb_tunnel *tunnel; |
2177 | struct tb_path *path; |
2178 | |
2179 | host = alloc_host_usb4(test); |
2180 | dev = alloc_dev_usb4(test, parent: host, route: 0x1, bonded: true); |
2181 | |
2182 | in = &host->ports[5]; |
2183 | out = &dev->ports[14]; |
2184 | |
2185 | tunnel = tb_tunnel_alloc_dp(NULL, in, out, link_nr: 1, max_up: 0, max_down: 0); |
2186 | KUNIT_ASSERT_NOT_NULL(test, tunnel); |
2187 | KUNIT_ASSERT_EQ(test, tunnel->npaths, (size_t)3); |
2188 | |
2189 | /* Video (main) path */ |
2190 | path = tunnel->paths[0]; |
2191 | KUNIT_ASSERT_EQ(test, path->path_length, 2); |
2192 | KUNIT_EXPECT_EQ(test, path->hops[0].nfc_credits, 12U); |
2193 | KUNIT_EXPECT_EQ(test, path->hops[0].initial_credits, 0U); |
2194 | KUNIT_EXPECT_EQ(test, path->hops[1].nfc_credits, 18U); |
2195 | KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 0U); |
2196 | |
2197 | /* AUX TX */ |
2198 | path = tunnel->paths[1]; |
2199 | KUNIT_ASSERT_EQ(test, path->path_length, 2); |
2200 | KUNIT_EXPECT_EQ(test, path->hops[0].nfc_credits, 0U); |
2201 | KUNIT_EXPECT_EQ(test, path->hops[0].initial_credits, 1U); |
2202 | KUNIT_EXPECT_EQ(test, path->hops[1].nfc_credits, 0U); |
2203 | KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 1U); |
2204 | |
2205 | /* AUX RX */ |
2206 | path = tunnel->paths[2]; |
2207 | KUNIT_ASSERT_EQ(test, path->path_length, 2); |
2208 | KUNIT_EXPECT_EQ(test, path->hops[0].nfc_credits, 0U); |
2209 | KUNIT_EXPECT_EQ(test, path->hops[0].initial_credits, 1U); |
2210 | KUNIT_EXPECT_EQ(test, path->hops[1].nfc_credits, 0U); |
2211 | KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 1U); |
2212 | |
2213 | tb_tunnel_free(tunnel); |
2214 | } |
2215 | |
2216 | static void tb_test_credit_alloc_usb3(struct kunit *test) |
2217 | { |
2218 | struct tb_switch *host, *dev; |
2219 | struct tb_port *up, *down; |
2220 | struct tb_tunnel *tunnel; |
2221 | struct tb_path *path; |
2222 | |
2223 | host = alloc_host_usb4(test); |
2224 | dev = alloc_dev_usb4(test, parent: host, route: 0x1, bonded: true); |
2225 | |
2226 | down = &host->ports[12]; |
2227 | up = &dev->ports[16]; |
2228 | tunnel = tb_tunnel_alloc_usb3(NULL, up, down, max_up: 0, max_down: 0); |
2229 | KUNIT_ASSERT_NOT_NULL(test, tunnel); |
2230 | KUNIT_ASSERT_EQ(test, tunnel->npaths, (size_t)2); |
2231 | |
2232 | path = tunnel->paths[0]; |
2233 | KUNIT_ASSERT_EQ(test, path->path_length, 2); |
2234 | KUNIT_EXPECT_EQ(test, path->hops[0].nfc_credits, 0U); |
2235 | KUNIT_EXPECT_EQ(test, path->hops[0].initial_credits, 7U); |
2236 | KUNIT_EXPECT_EQ(test, path->hops[1].nfc_credits, 0U); |
2237 | KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 14U); |
2238 | |
2239 | path = tunnel->paths[1]; |
2240 | KUNIT_ASSERT_EQ(test, path->path_length, 2); |
2241 | KUNIT_EXPECT_EQ(test, path->hops[0].nfc_credits, 0U); |
2242 | KUNIT_EXPECT_EQ(test, path->hops[0].initial_credits, 7U); |
2243 | KUNIT_EXPECT_EQ(test, path->hops[1].nfc_credits, 0U); |
2244 | KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 32U); |
2245 | |
2246 | tb_tunnel_free(tunnel); |
2247 | } |
2248 | |
2249 | static void tb_test_credit_alloc_dma(struct kunit *test) |
2250 | { |
2251 | struct tb_switch *host, *dev; |
2252 | struct tb_port *nhi, *port; |
2253 | struct tb_tunnel *tunnel; |
2254 | struct tb_path *path; |
2255 | |
2256 | host = alloc_host_usb4(test); |
2257 | dev = alloc_dev_usb4(test, parent: host, route: 0x1, bonded: true); |
2258 | |
2259 | nhi = &host->ports[7]; |
2260 | port = &dev->ports[3]; |
2261 | |
2262 | tunnel = tb_tunnel_alloc_dma(NULL, nhi, dst: port, transmit_path: 8, transmit_ring: 1, receive_path: 8, receive_ring: 1); |
2263 | KUNIT_ASSERT_NOT_NULL(test, tunnel); |
2264 | KUNIT_ASSERT_EQ(test, tunnel->npaths, (size_t)2); |
2265 | |
2266 | /* DMA RX */ |
2267 | path = tunnel->paths[0]; |
2268 | KUNIT_ASSERT_EQ(test, path->path_length, 2); |
2269 | KUNIT_EXPECT_EQ(test, path->hops[0].nfc_credits, 0U); |
2270 | KUNIT_EXPECT_EQ(test, path->hops[0].initial_credits, 14U); |
2271 | KUNIT_EXPECT_EQ(test, path->hops[1].nfc_credits, 0U); |
2272 | KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 14U); |
2273 | |
2274 | /* DMA TX */ |
2275 | path = tunnel->paths[1]; |
2276 | KUNIT_ASSERT_EQ(test, path->path_length, 2); |
2277 | KUNIT_EXPECT_EQ(test, path->hops[0].nfc_credits, 0U); |
2278 | KUNIT_EXPECT_EQ(test, path->hops[0].initial_credits, 0U); |
2279 | KUNIT_EXPECT_EQ(test, path->hops[1].nfc_credits, 0U); |
2280 | KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 14U); |
2281 | |
2282 | tb_tunnel_free(tunnel); |
2283 | } |
2284 | |
2285 | static void tb_test_credit_alloc_dma_multiple(struct kunit *test) |
2286 | { |
2287 | struct tb_tunnel *tunnel1, *tunnel2, *tunnel3; |
2288 | struct tb_switch *host, *dev; |
2289 | struct tb_port *nhi, *port; |
2290 | struct tb_path *path; |
2291 | |
2292 | host = alloc_host_usb4(test); |
2293 | dev = alloc_dev_usb4(test, parent: host, route: 0x1, bonded: true); |
2294 | |
2295 | nhi = &host->ports[7]; |
2296 | port = &dev->ports[3]; |
2297 | |
2298 | /* |
2299 | * Create three DMA tunnels through the same ports. With the |
2300 | * default buffers we should be able to create two and the last |
2301 | * one fails. |
2302 | * |
2303 | * For default host we have following buffers for DMA: |
2304 | * |
2305 | * 120 - (2 + 2 * (1 + 0) + 32 + 64 + spare) = 20 |
2306 | * |
2307 | * For device we have following: |
2308 | * |
2309 | * 120 - (2 + 2 * (1 + 18) + 14 + 32 + spare) = 34 |
2310 | * |
2311 | * spare = 14 + 1 = 15 |
2312 | * |
2313 | * So on host the first tunnel gets 14 and the second gets the |
2314 | * remaining 1 and then we run out of buffers. |
2315 | */ |
2316 | tunnel1 = tb_tunnel_alloc_dma(NULL, nhi, dst: port, transmit_path: 8, transmit_ring: 1, receive_path: 8, receive_ring: 1); |
2317 | KUNIT_ASSERT_NOT_NULL(test, tunnel1); |
2318 | KUNIT_ASSERT_EQ(test, tunnel1->npaths, (size_t)2); |
2319 | |
2320 | path = tunnel1->paths[0]; |
2321 | KUNIT_ASSERT_EQ(test, path->path_length, 2); |
2322 | KUNIT_EXPECT_EQ(test, path->hops[0].nfc_credits, 0U); |
2323 | KUNIT_EXPECT_EQ(test, path->hops[0].initial_credits, 14U); |
2324 | KUNIT_EXPECT_EQ(test, path->hops[1].nfc_credits, 0U); |
2325 | KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 14U); |
2326 | |
2327 | path = tunnel1->paths[1]; |
2328 | KUNIT_ASSERT_EQ(test, path->path_length, 2); |
2329 | KUNIT_EXPECT_EQ(test, path->hops[0].nfc_credits, 0U); |
2330 | KUNIT_EXPECT_EQ(test, path->hops[0].initial_credits, 0U); |
2331 | KUNIT_EXPECT_EQ(test, path->hops[1].nfc_credits, 0U); |
2332 | KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 14U); |
2333 | |
2334 | tunnel2 = tb_tunnel_alloc_dma(NULL, nhi, dst: port, transmit_path: 9, transmit_ring: 2, receive_path: 9, receive_ring: 2); |
2335 | KUNIT_ASSERT_NOT_NULL(test, tunnel2); |
2336 | KUNIT_ASSERT_EQ(test, tunnel2->npaths, (size_t)2); |
2337 | |
2338 | path = tunnel2->paths[0]; |
2339 | KUNIT_ASSERT_EQ(test, path->path_length, 2); |
2340 | KUNIT_EXPECT_EQ(test, path->hops[0].nfc_credits, 0U); |
2341 | KUNIT_EXPECT_EQ(test, path->hops[0].initial_credits, 14U); |
2342 | KUNIT_EXPECT_EQ(test, path->hops[1].nfc_credits, 0U); |
2343 | KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 1U); |
2344 | |
2345 | path = tunnel2->paths[1]; |
2346 | KUNIT_ASSERT_EQ(test, path->path_length, 2); |
2347 | KUNIT_EXPECT_EQ(test, path->hops[0].nfc_credits, 0U); |
2348 | KUNIT_EXPECT_EQ(test, path->hops[0].initial_credits, 0U); |
2349 | KUNIT_EXPECT_EQ(test, path->hops[1].nfc_credits, 0U); |
2350 | KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 1U); |
2351 | |
2352 | tunnel3 = tb_tunnel_alloc_dma(NULL, nhi, dst: port, transmit_path: 10, transmit_ring: 3, receive_path: 10, receive_ring: 3); |
2353 | KUNIT_ASSERT_NULL(test, tunnel3); |
2354 | |
2355 | /* |
2356 | * Release the first DMA tunnel. That should make 14 buffers |
2357 | * available for the next tunnel. |
2358 | */ |
2359 | tb_tunnel_free(tunnel: tunnel1); |
2360 | |
2361 | tunnel3 = tb_tunnel_alloc_dma(NULL, nhi, dst: port, transmit_path: 10, transmit_ring: 3, receive_path: 10, receive_ring: 3); |
2362 | KUNIT_ASSERT_NOT_NULL(test, tunnel3); |
2363 | |
2364 | path = tunnel3->paths[0]; |
2365 | KUNIT_ASSERT_EQ(test, path->path_length, 2); |
2366 | KUNIT_EXPECT_EQ(test, path->hops[0].nfc_credits, 0U); |
2367 | KUNIT_EXPECT_EQ(test, path->hops[0].initial_credits, 14U); |
2368 | KUNIT_EXPECT_EQ(test, path->hops[1].nfc_credits, 0U); |
2369 | KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 14U); |
2370 | |
2371 | path = tunnel3->paths[1]; |
2372 | KUNIT_ASSERT_EQ(test, path->path_length, 2); |
2373 | KUNIT_EXPECT_EQ(test, path->hops[0].nfc_credits, 0U); |
2374 | KUNIT_EXPECT_EQ(test, path->hops[0].initial_credits, 0U); |
2375 | KUNIT_EXPECT_EQ(test, path->hops[1].nfc_credits, 0U); |
2376 | KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 14U); |
2377 | |
2378 | tb_tunnel_free(tunnel: tunnel3); |
2379 | tb_tunnel_free(tunnel: tunnel2); |
2380 | } |
2381 | |
2382 | static struct tb_tunnel *TB_TEST_PCIE_TUNNEL(struct kunit *test, |
2383 | struct tb_switch *host, struct tb_switch *dev) |
2384 | { |
2385 | struct tb_port *up, *down; |
2386 | struct tb_tunnel *pcie_tunnel; |
2387 | struct tb_path *path; |
2388 | |
2389 | down = &host->ports[8]; |
2390 | up = &dev->ports[9]; |
2391 | pcie_tunnel = tb_tunnel_alloc_pci(NULL, up, down); |
2392 | KUNIT_ASSERT_NOT_NULL(test, pcie_tunnel); |
2393 | KUNIT_ASSERT_EQ(test, pcie_tunnel->npaths, (size_t)2); |
2394 | |
2395 | path = pcie_tunnel->paths[0]; |
2396 | KUNIT_ASSERT_EQ(test, path->path_length, 2); |
2397 | KUNIT_EXPECT_EQ(test, path->hops[0].nfc_credits, 0U); |
2398 | KUNIT_EXPECT_EQ(test, path->hops[0].initial_credits, 7U); |
2399 | KUNIT_EXPECT_EQ(test, path->hops[1].nfc_credits, 0U); |
2400 | KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 32U); |
2401 | |
2402 | path = pcie_tunnel->paths[1]; |
2403 | KUNIT_ASSERT_EQ(test, path->path_length, 2); |
2404 | KUNIT_EXPECT_EQ(test, path->hops[0].nfc_credits, 0U); |
2405 | KUNIT_EXPECT_EQ(test, path->hops[0].initial_credits, 7U); |
2406 | KUNIT_EXPECT_EQ(test, path->hops[1].nfc_credits, 0U); |
2407 | KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 64U); |
2408 | |
2409 | return pcie_tunnel; |
2410 | } |
2411 | |
2412 | static struct tb_tunnel *TB_TEST_DP_TUNNEL1(struct kunit *test, |
2413 | struct tb_switch *host, struct tb_switch *dev) |
2414 | { |
2415 | struct tb_port *in, *out; |
2416 | struct tb_tunnel *dp_tunnel1; |
2417 | struct tb_path *path; |
2418 | |
2419 | in = &host->ports[5]; |
2420 | out = &dev->ports[13]; |
2421 | dp_tunnel1 = tb_tunnel_alloc_dp(NULL, in, out, link_nr: 1, max_up: 0, max_down: 0); |
2422 | KUNIT_ASSERT_NOT_NULL(test, dp_tunnel1); |
2423 | KUNIT_ASSERT_EQ(test, dp_tunnel1->npaths, (size_t)3); |
2424 | |
2425 | path = dp_tunnel1->paths[0]; |
2426 | KUNIT_ASSERT_EQ(test, path->path_length, 2); |
2427 | KUNIT_EXPECT_EQ(test, path->hops[0].nfc_credits, 12U); |
2428 | KUNIT_EXPECT_EQ(test, path->hops[0].initial_credits, 0U); |
2429 | KUNIT_EXPECT_EQ(test, path->hops[1].nfc_credits, 18U); |
2430 | KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 0U); |
2431 | |
2432 | path = dp_tunnel1->paths[1]; |
2433 | KUNIT_ASSERT_EQ(test, path->path_length, 2); |
2434 | KUNIT_EXPECT_EQ(test, path->hops[0].nfc_credits, 0U); |
2435 | KUNIT_EXPECT_EQ(test, path->hops[0].initial_credits, 1U); |
2436 | KUNIT_EXPECT_EQ(test, path->hops[1].nfc_credits, 0U); |
2437 | KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 1U); |
2438 | |
2439 | path = dp_tunnel1->paths[2]; |
2440 | KUNIT_ASSERT_EQ(test, path->path_length, 2); |
2441 | KUNIT_EXPECT_EQ(test, path->hops[0].nfc_credits, 0U); |
2442 | KUNIT_EXPECT_EQ(test, path->hops[0].initial_credits, 1U); |
2443 | KUNIT_EXPECT_EQ(test, path->hops[1].nfc_credits, 0U); |
2444 | KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 1U); |
2445 | |
2446 | return dp_tunnel1; |
2447 | } |
2448 | |
2449 | static struct tb_tunnel *TB_TEST_DP_TUNNEL2(struct kunit *test, |
2450 | struct tb_switch *host, struct tb_switch *dev) |
2451 | { |
2452 | struct tb_port *in, *out; |
2453 | struct tb_tunnel *dp_tunnel2; |
2454 | struct tb_path *path; |
2455 | |
2456 | in = &host->ports[6]; |
2457 | out = &dev->ports[14]; |
2458 | dp_tunnel2 = tb_tunnel_alloc_dp(NULL, in, out, link_nr: 1, max_up: 0, max_down: 0); |
2459 | KUNIT_ASSERT_NOT_NULL(test, dp_tunnel2); |
2460 | KUNIT_ASSERT_EQ(test, dp_tunnel2->npaths, (size_t)3); |
2461 | |
2462 | path = dp_tunnel2->paths[0]; |
2463 | KUNIT_ASSERT_EQ(test, path->path_length, 2); |
2464 | KUNIT_EXPECT_EQ(test, path->hops[0].nfc_credits, 12U); |
2465 | KUNIT_EXPECT_EQ(test, path->hops[0].initial_credits, 0U); |
2466 | KUNIT_EXPECT_EQ(test, path->hops[1].nfc_credits, 18U); |
2467 | KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 0U); |
2468 | |
2469 | path = dp_tunnel2->paths[1]; |
2470 | KUNIT_ASSERT_EQ(test, path->path_length, 2); |
2471 | KUNIT_EXPECT_EQ(test, path->hops[0].nfc_credits, 0U); |
2472 | KUNIT_EXPECT_EQ(test, path->hops[0].initial_credits, 1U); |
2473 | KUNIT_EXPECT_EQ(test, path->hops[1].nfc_credits, 0U); |
2474 | KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 1U); |
2475 | |
2476 | path = dp_tunnel2->paths[2]; |
2477 | KUNIT_ASSERT_EQ(test, path->path_length, 2); |
2478 | KUNIT_EXPECT_EQ(test, path->hops[0].nfc_credits, 0U); |
2479 | KUNIT_EXPECT_EQ(test, path->hops[0].initial_credits, 1U); |
2480 | KUNIT_EXPECT_EQ(test, path->hops[1].nfc_credits, 0U); |
2481 | KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 1U); |
2482 | |
2483 | return dp_tunnel2; |
2484 | } |
2485 | |
2486 | static struct tb_tunnel *TB_TEST_USB3_TUNNEL(struct kunit *test, |
2487 | struct tb_switch *host, struct tb_switch *dev) |
2488 | { |
2489 | struct tb_port *up, *down; |
2490 | struct tb_tunnel *usb3_tunnel; |
2491 | struct tb_path *path; |
2492 | |
2493 | down = &host->ports[12]; |
2494 | up = &dev->ports[16]; |
2495 | usb3_tunnel = tb_tunnel_alloc_usb3(NULL, up, down, max_up: 0, max_down: 0); |
2496 | KUNIT_ASSERT_NOT_NULL(test, usb3_tunnel); |
2497 | KUNIT_ASSERT_EQ(test, usb3_tunnel->npaths, (size_t)2); |
2498 | |
2499 | path = usb3_tunnel->paths[0]; |
2500 | KUNIT_ASSERT_EQ(test, path->path_length, 2); |
2501 | KUNIT_EXPECT_EQ(test, path->hops[0].nfc_credits, 0U); |
2502 | KUNIT_EXPECT_EQ(test, path->hops[0].initial_credits, 7U); |
2503 | KUNIT_EXPECT_EQ(test, path->hops[1].nfc_credits, 0U); |
2504 | KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 14U); |
2505 | |
2506 | path = usb3_tunnel->paths[1]; |
2507 | KUNIT_ASSERT_EQ(test, path->path_length, 2); |
2508 | KUNIT_EXPECT_EQ(test, path->hops[0].nfc_credits, 0U); |
2509 | KUNIT_EXPECT_EQ(test, path->hops[0].initial_credits, 7U); |
2510 | KUNIT_EXPECT_EQ(test, path->hops[1].nfc_credits, 0U); |
2511 | KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 32U); |
2512 | |
2513 | return usb3_tunnel; |
2514 | } |
2515 | |
2516 | static struct tb_tunnel *TB_TEST_DMA_TUNNEL1(struct kunit *test, |
2517 | struct tb_switch *host, struct tb_switch *dev) |
2518 | { |
2519 | struct tb_port *nhi, *port; |
2520 | struct tb_tunnel *dma_tunnel1; |
2521 | struct tb_path *path; |
2522 | |
2523 | nhi = &host->ports[7]; |
2524 | port = &dev->ports[3]; |
2525 | dma_tunnel1 = tb_tunnel_alloc_dma(NULL, nhi, dst: port, transmit_path: 8, transmit_ring: 1, receive_path: 8, receive_ring: 1); |
2526 | KUNIT_ASSERT_NOT_NULL(test, dma_tunnel1); |
2527 | KUNIT_ASSERT_EQ(test, dma_tunnel1->npaths, (size_t)2); |
2528 | |
2529 | path = dma_tunnel1->paths[0]; |
2530 | KUNIT_ASSERT_EQ(test, path->path_length, 2); |
2531 | KUNIT_EXPECT_EQ(test, path->hops[0].nfc_credits, 0U); |
2532 | KUNIT_EXPECT_EQ(test, path->hops[0].initial_credits, 14U); |
2533 | KUNIT_EXPECT_EQ(test, path->hops[1].nfc_credits, 0U); |
2534 | KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 14U); |
2535 | |
2536 | path = dma_tunnel1->paths[1]; |
2537 | KUNIT_ASSERT_EQ(test, path->path_length, 2); |
2538 | KUNIT_EXPECT_EQ(test, path->hops[0].nfc_credits, 0U); |
2539 | KUNIT_EXPECT_EQ(test, path->hops[0].initial_credits, 0U); |
2540 | KUNIT_EXPECT_EQ(test, path->hops[1].nfc_credits, 0U); |
2541 | KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 14U); |
2542 | |
2543 | return dma_tunnel1; |
2544 | } |
2545 | |
2546 | static struct tb_tunnel *TB_TEST_DMA_TUNNEL2(struct kunit *test, |
2547 | struct tb_switch *host, struct tb_switch *dev) |
2548 | { |
2549 | struct tb_port *nhi, *port; |
2550 | struct tb_tunnel *dma_tunnel2; |
2551 | struct tb_path *path; |
2552 | |
2553 | nhi = &host->ports[7]; |
2554 | port = &dev->ports[3]; |
2555 | dma_tunnel2 = tb_tunnel_alloc_dma(NULL, nhi, dst: port, transmit_path: 9, transmit_ring: 2, receive_path: 9, receive_ring: 2); |
2556 | KUNIT_ASSERT_NOT_NULL(test, dma_tunnel2); |
2557 | KUNIT_ASSERT_EQ(test, dma_tunnel2->npaths, (size_t)2); |
2558 | |
2559 | path = dma_tunnel2->paths[0]; |
2560 | KUNIT_ASSERT_EQ(test, path->path_length, 2); |
2561 | KUNIT_EXPECT_EQ(test, path->hops[0].nfc_credits, 0U); |
2562 | KUNIT_EXPECT_EQ(test, path->hops[0].initial_credits, 14U); |
2563 | KUNIT_EXPECT_EQ(test, path->hops[1].nfc_credits, 0U); |
2564 | KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 1U); |
2565 | |
2566 | path = dma_tunnel2->paths[1]; |
2567 | KUNIT_ASSERT_EQ(test, path->path_length, 2); |
2568 | KUNIT_EXPECT_EQ(test, path->hops[0].nfc_credits, 0U); |
2569 | KUNIT_EXPECT_EQ(test, path->hops[0].initial_credits, 0U); |
2570 | KUNIT_EXPECT_EQ(test, path->hops[1].nfc_credits, 0U); |
2571 | KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 1U); |
2572 | |
2573 | return dma_tunnel2; |
2574 | } |
2575 | |
2576 | static void tb_test_credit_alloc_all(struct kunit *test) |
2577 | { |
2578 | struct tb_tunnel *pcie_tunnel, *dp_tunnel1, *dp_tunnel2, *usb3_tunnel; |
2579 | struct tb_tunnel *dma_tunnel1, *dma_tunnel2; |
2580 | struct tb_switch *host, *dev; |
2581 | |
2582 | /* |
2583 | * Create PCIe, 2 x DP, USB 3.x and two DMA tunnels from host to |
2584 | * device. Expectation is that all these can be established with |
2585 | * the default credit allocation found in Intel hardware. |
2586 | */ |
2587 | |
2588 | host = alloc_host_usb4(test); |
2589 | dev = alloc_dev_usb4(test, parent: host, route: 0x1, bonded: true); |
2590 | |
2591 | pcie_tunnel = TB_TEST_PCIE_TUNNEL(test, host, dev); |
2592 | dp_tunnel1 = TB_TEST_DP_TUNNEL1(test, host, dev); |
2593 | dp_tunnel2 = TB_TEST_DP_TUNNEL2(test, host, dev); |
2594 | usb3_tunnel = TB_TEST_USB3_TUNNEL(test, host, dev); |
2595 | dma_tunnel1 = TB_TEST_DMA_TUNNEL1(test, host, dev); |
2596 | dma_tunnel2 = TB_TEST_DMA_TUNNEL2(test, host, dev); |
2597 | |
2598 | tb_tunnel_free(tunnel: dma_tunnel2); |
2599 | tb_tunnel_free(tunnel: dma_tunnel1); |
2600 | tb_tunnel_free(tunnel: usb3_tunnel); |
2601 | tb_tunnel_free(tunnel: dp_tunnel2); |
2602 | tb_tunnel_free(tunnel: dp_tunnel1); |
2603 | tb_tunnel_free(tunnel: pcie_tunnel); |
2604 | } |
2605 | |
2606 | static const u32 root_directory[] = { |
2607 | 0x55584401, /* "UXD" v1 */ |
2608 | 0x00000018, /* Root directory length */ |
2609 | 0x76656e64, /* "vend" */ |
2610 | 0x6f726964, /* "orid" */ |
2611 | 0x76000001, /* "v" R 1 */ |
2612 | 0x00000a27, /* Immediate value, ! Vendor ID */ |
2613 | 0x76656e64, /* "vend" */ |
2614 | 0x6f726964, /* "orid" */ |
2615 | 0x74000003, /* "t" R 3 */ |
2616 | 0x0000001a, /* Text leaf offset, (“Apple Inc.”) */ |
2617 | 0x64657669, /* "devi" */ |
2618 | 0x63656964, /* "ceid" */ |
2619 | 0x76000001, /* "v" R 1 */ |
2620 | 0x0000000a, /* Immediate value, ! Device ID */ |
2621 | 0x64657669, /* "devi" */ |
2622 | 0x63656964, /* "ceid" */ |
2623 | 0x74000003, /* "t" R 3 */ |
2624 | 0x0000001d, /* Text leaf offset, (“Macintosh”) */ |
2625 | 0x64657669, /* "devi" */ |
2626 | 0x63657276, /* "cerv" */ |
2627 | 0x76000001, /* "v" R 1 */ |
2628 | 0x80000100, /* Immediate value, Device Revision */ |
2629 | 0x6e657477, /* "netw" */ |
2630 | 0x6f726b00, /* "ork" */ |
2631 | 0x44000014, /* "D" R 20 */ |
2632 | 0x00000021, /* Directory data offset, (Network Directory) */ |
2633 | 0x4170706c, /* "Appl" */ |
2634 | 0x6520496e, /* "e In" */ |
2635 | 0x632e0000, /* "c." ! */ |
2636 | 0x4d616369, /* "Maci" */ |
2637 | 0x6e746f73, /* "ntos" */ |
2638 | 0x68000000, /* "h" */ |
2639 | 0x00000000, /* padding */ |
2640 | 0xca8961c6, /* Directory UUID, Network Directory */ |
2641 | 0x9541ce1c, /* Directory UUID, Network Directory */ |
2642 | 0x5949b8bd, /* Directory UUID, Network Directory */ |
2643 | 0x4f5a5f2e, /* Directory UUID, Network Directory */ |
2644 | 0x70727463, /* "prtc" */ |
2645 | 0x69640000, /* "id" */ |
2646 | 0x76000001, /* "v" R 1 */ |
2647 | 0x00000001, /* Immediate value, Network Protocol ID */ |
2648 | 0x70727463, /* "prtc" */ |
2649 | 0x76657273, /* "vers" */ |
2650 | 0x76000001, /* "v" R 1 */ |
2651 | 0x00000001, /* Immediate value, Network Protocol Version */ |
2652 | 0x70727463, /* "prtc" */ |
2653 | 0x72657673, /* "revs" */ |
2654 | 0x76000001, /* "v" R 1 */ |
2655 | 0x00000001, /* Immediate value, Network Protocol Revision */ |
2656 | 0x70727463, /* "prtc" */ |
2657 | 0x73746e73, /* "stns" */ |
2658 | 0x76000001, /* "v" R 1 */ |
2659 | 0x00000000, /* Immediate value, Network Protocol Settings */ |
2660 | }; |
2661 | |
2662 | static const uuid_t network_dir_uuid = |
2663 | UUID_INIT(0xc66189ca, 0x1cce, 0x4195, |
2664 | 0xbd, 0xb8, 0x49, 0x59, 0x2e, 0x5f, 0x5a, 0x4f); |
2665 | |
2666 | static void tb_test_property_parse(struct kunit *test) |
2667 | { |
2668 | struct tb_property_dir *dir, *network_dir; |
2669 | struct tb_property *p; |
2670 | |
2671 | dir = tb_property_parse_dir(block: root_directory, ARRAY_SIZE(root_directory)); |
2672 | KUNIT_ASSERT_NOT_NULL(test, dir); |
2673 | |
2674 | p = tb_property_find(dir, key: "foo" , type: TB_PROPERTY_TYPE_TEXT); |
2675 | KUNIT_ASSERT_NULL(test, p); |
2676 | |
2677 | p = tb_property_find(dir, key: "vendorid" , type: TB_PROPERTY_TYPE_TEXT); |
2678 | KUNIT_ASSERT_NOT_NULL(test, p); |
2679 | KUNIT_EXPECT_STREQ(test, p->value.text, "Apple Inc." ); |
2680 | |
2681 | p = tb_property_find(dir, key: "vendorid" , type: TB_PROPERTY_TYPE_VALUE); |
2682 | KUNIT_ASSERT_NOT_NULL(test, p); |
2683 | KUNIT_EXPECT_EQ(test, p->value.immediate, 0xa27); |
2684 | |
2685 | p = tb_property_find(dir, key: "deviceid" , type: TB_PROPERTY_TYPE_TEXT); |
2686 | KUNIT_ASSERT_NOT_NULL(test, p); |
2687 | KUNIT_EXPECT_STREQ(test, p->value.text, "Macintosh" ); |
2688 | |
2689 | p = tb_property_find(dir, key: "deviceid" , type: TB_PROPERTY_TYPE_VALUE); |
2690 | KUNIT_ASSERT_NOT_NULL(test, p); |
2691 | KUNIT_EXPECT_EQ(test, p->value.immediate, 0xa); |
2692 | |
2693 | p = tb_property_find(dir, key: "missing" , type: TB_PROPERTY_TYPE_DIRECTORY); |
2694 | KUNIT_ASSERT_NULL(test, p); |
2695 | |
2696 | p = tb_property_find(dir, key: "network" , type: TB_PROPERTY_TYPE_DIRECTORY); |
2697 | KUNIT_ASSERT_NOT_NULL(test, p); |
2698 | |
2699 | network_dir = p->value.dir; |
2700 | KUNIT_EXPECT_TRUE(test, uuid_equal(network_dir->uuid, &network_dir_uuid)); |
2701 | |
2702 | p = tb_property_find(dir: network_dir, key: "prtcid" , type: TB_PROPERTY_TYPE_VALUE); |
2703 | KUNIT_ASSERT_NOT_NULL(test, p); |
2704 | KUNIT_EXPECT_EQ(test, p->value.immediate, 0x1); |
2705 | |
2706 | p = tb_property_find(dir: network_dir, key: "prtcvers" , type: TB_PROPERTY_TYPE_VALUE); |
2707 | KUNIT_ASSERT_NOT_NULL(test, p); |
2708 | KUNIT_EXPECT_EQ(test, p->value.immediate, 0x1); |
2709 | |
2710 | p = tb_property_find(dir: network_dir, key: "prtcrevs" , type: TB_PROPERTY_TYPE_VALUE); |
2711 | KUNIT_ASSERT_NOT_NULL(test, p); |
2712 | KUNIT_EXPECT_EQ(test, p->value.immediate, 0x1); |
2713 | |
2714 | p = tb_property_find(dir: network_dir, key: "prtcstns" , type: TB_PROPERTY_TYPE_VALUE); |
2715 | KUNIT_ASSERT_NOT_NULL(test, p); |
2716 | KUNIT_EXPECT_EQ(test, p->value.immediate, 0x0); |
2717 | |
2718 | p = tb_property_find(dir: network_dir, key: "deviceid" , type: TB_PROPERTY_TYPE_VALUE); |
2719 | KUNIT_EXPECT_TRUE(test, !p); |
2720 | p = tb_property_find(dir: network_dir, key: "deviceid" , type: TB_PROPERTY_TYPE_TEXT); |
2721 | KUNIT_EXPECT_TRUE(test, !p); |
2722 | |
2723 | tb_property_free_dir(dir); |
2724 | } |
2725 | |
2726 | static void tb_test_property_format(struct kunit *test) |
2727 | { |
2728 | struct tb_property_dir *dir; |
2729 | ssize_t block_len; |
2730 | u32 *block; |
2731 | int ret, i; |
2732 | |
2733 | dir = tb_property_parse_dir(block: root_directory, ARRAY_SIZE(root_directory)); |
2734 | KUNIT_ASSERT_NOT_NULL(test, dir); |
2735 | |
2736 | ret = tb_property_format_dir(dir, NULL, block_len: 0); |
2737 | KUNIT_ASSERT_EQ(test, ret, ARRAY_SIZE(root_directory)); |
2738 | |
2739 | block_len = ret; |
2740 | |
2741 | block = kunit_kzalloc(test, size: block_len * sizeof(u32), GFP_KERNEL); |
2742 | KUNIT_ASSERT_NOT_NULL(test, block); |
2743 | |
2744 | ret = tb_property_format_dir(dir, block, block_len); |
2745 | KUNIT_EXPECT_EQ(test, ret, 0); |
2746 | |
2747 | for (i = 0; i < ARRAY_SIZE(root_directory); i++) |
2748 | KUNIT_EXPECT_EQ(test, root_directory[i], block[i]); |
2749 | |
2750 | tb_property_free_dir(dir); |
2751 | } |
2752 | |
2753 | static void compare_dirs(struct kunit *test, struct tb_property_dir *d1, |
2754 | struct tb_property_dir *d2) |
2755 | { |
2756 | struct tb_property *p1, *p2, *tmp; |
2757 | int n1, n2, i; |
2758 | |
2759 | if (d1->uuid) { |
2760 | KUNIT_ASSERT_NOT_NULL(test, d2->uuid); |
2761 | KUNIT_ASSERT_TRUE(test, uuid_equal(d1->uuid, d2->uuid)); |
2762 | } else { |
2763 | KUNIT_ASSERT_NULL(test, d2->uuid); |
2764 | } |
2765 | |
2766 | n1 = 0; |
2767 | tb_property_for_each(d1, tmp) |
2768 | n1++; |
2769 | KUNIT_ASSERT_NE(test, n1, 0); |
2770 | |
2771 | n2 = 0; |
2772 | tb_property_for_each(d2, tmp) |
2773 | n2++; |
2774 | KUNIT_ASSERT_NE(test, n2, 0); |
2775 | |
2776 | KUNIT_ASSERT_EQ(test, n1, n2); |
2777 | |
2778 | p1 = NULL; |
2779 | p2 = NULL; |
2780 | for (i = 0; i < n1; i++) { |
2781 | p1 = tb_property_get_next(dir: d1, prev: p1); |
2782 | KUNIT_ASSERT_NOT_NULL(test, p1); |
2783 | p2 = tb_property_get_next(dir: d2, prev: p2); |
2784 | KUNIT_ASSERT_NOT_NULL(test, p2); |
2785 | |
2786 | KUNIT_ASSERT_STREQ(test, &p1->key[0], &p2->key[0]); |
2787 | KUNIT_ASSERT_EQ(test, p1->type, p2->type); |
2788 | KUNIT_ASSERT_EQ(test, p1->length, p2->length); |
2789 | |
2790 | switch (p1->type) { |
2791 | case TB_PROPERTY_TYPE_DIRECTORY: |
2792 | KUNIT_ASSERT_NOT_NULL(test, p1->value.dir); |
2793 | KUNIT_ASSERT_NOT_NULL(test, p2->value.dir); |
2794 | compare_dirs(test, d1: p1->value.dir, d2: p2->value.dir); |
2795 | break; |
2796 | |
2797 | case TB_PROPERTY_TYPE_DATA: |
2798 | KUNIT_ASSERT_NOT_NULL(test, p1->value.data); |
2799 | KUNIT_ASSERT_NOT_NULL(test, p2->value.data); |
2800 | KUNIT_ASSERT_TRUE(test, |
2801 | !memcmp(p1->value.data, p2->value.data, |
2802 | p1->length * 4) |
2803 | ); |
2804 | break; |
2805 | |
2806 | case TB_PROPERTY_TYPE_TEXT: |
2807 | KUNIT_ASSERT_NOT_NULL(test, p1->value.text); |
2808 | KUNIT_ASSERT_NOT_NULL(test, p2->value.text); |
2809 | KUNIT_ASSERT_STREQ(test, p1->value.text, p2->value.text); |
2810 | break; |
2811 | |
2812 | case TB_PROPERTY_TYPE_VALUE: |
2813 | KUNIT_ASSERT_EQ(test, p1->value.immediate, |
2814 | p2->value.immediate); |
2815 | break; |
2816 | default: |
2817 | KUNIT_FAIL(test, "unexpected property type" ); |
2818 | break; |
2819 | } |
2820 | } |
2821 | } |
2822 | |
2823 | static void tb_test_property_copy(struct kunit *test) |
2824 | { |
2825 | struct tb_property_dir *src, *dst; |
2826 | u32 *block; |
2827 | int ret, i; |
2828 | |
2829 | src = tb_property_parse_dir(block: root_directory, ARRAY_SIZE(root_directory)); |
2830 | KUNIT_ASSERT_NOT_NULL(test, src); |
2831 | |
2832 | dst = tb_property_copy_dir(dir: src); |
2833 | KUNIT_ASSERT_NOT_NULL(test, dst); |
2834 | |
2835 | /* Compare the structures */ |
2836 | compare_dirs(test, d1: src, d2: dst); |
2837 | |
2838 | /* Compare the resulting property block */ |
2839 | ret = tb_property_format_dir(dir: dst, NULL, block_len: 0); |
2840 | KUNIT_ASSERT_EQ(test, ret, ARRAY_SIZE(root_directory)); |
2841 | |
2842 | block = kunit_kzalloc(test, size: sizeof(root_directory), GFP_KERNEL); |
2843 | KUNIT_ASSERT_NOT_NULL(test, block); |
2844 | |
2845 | ret = tb_property_format_dir(dir: dst, block, ARRAY_SIZE(root_directory)); |
2846 | KUNIT_EXPECT_TRUE(test, !ret); |
2847 | |
2848 | for (i = 0; i < ARRAY_SIZE(root_directory); i++) |
2849 | KUNIT_EXPECT_EQ(test, root_directory[i], block[i]); |
2850 | |
2851 | tb_property_free_dir(dir: dst); |
2852 | tb_property_free_dir(dir: src); |
2853 | } |
2854 | |
2855 | static struct kunit_case tb_test_cases[] = { |
2856 | KUNIT_CASE(tb_test_path_basic), |
2857 | KUNIT_CASE(tb_test_path_not_connected_walk), |
2858 | KUNIT_CASE(tb_test_path_single_hop_walk), |
2859 | KUNIT_CASE(tb_test_path_daisy_chain_walk), |
2860 | KUNIT_CASE(tb_test_path_simple_tree_walk), |
2861 | KUNIT_CASE(tb_test_path_complex_tree_walk), |
2862 | KUNIT_CASE(tb_test_path_max_length_walk), |
2863 | KUNIT_CASE(tb_test_path_not_connected), |
2864 | KUNIT_CASE(tb_test_path_not_bonded_lane0), |
2865 | KUNIT_CASE(tb_test_path_not_bonded_lane1), |
2866 | KUNIT_CASE(tb_test_path_not_bonded_lane1_chain), |
2867 | KUNIT_CASE(tb_test_path_not_bonded_lane1_chain_reverse), |
2868 | KUNIT_CASE(tb_test_path_mixed_chain), |
2869 | KUNIT_CASE(tb_test_path_mixed_chain_reverse), |
2870 | KUNIT_CASE(tb_test_tunnel_pcie), |
2871 | KUNIT_CASE(tb_test_tunnel_dp), |
2872 | KUNIT_CASE(tb_test_tunnel_dp_chain), |
2873 | KUNIT_CASE(tb_test_tunnel_dp_tree), |
2874 | KUNIT_CASE(tb_test_tunnel_dp_max_length), |
2875 | KUNIT_CASE(tb_test_tunnel_3dp), |
2876 | KUNIT_CASE(tb_test_tunnel_port_on_path), |
2877 | KUNIT_CASE(tb_test_tunnel_usb3), |
2878 | KUNIT_CASE(tb_test_tunnel_dma), |
2879 | KUNIT_CASE(tb_test_tunnel_dma_rx), |
2880 | KUNIT_CASE(tb_test_tunnel_dma_tx), |
2881 | KUNIT_CASE(tb_test_tunnel_dma_chain), |
2882 | KUNIT_CASE(tb_test_tunnel_dma_match), |
2883 | KUNIT_CASE(tb_test_credit_alloc_legacy_not_bonded), |
2884 | KUNIT_CASE(tb_test_credit_alloc_legacy_bonded), |
2885 | KUNIT_CASE(tb_test_credit_alloc_pcie), |
2886 | KUNIT_CASE(tb_test_credit_alloc_without_dp), |
2887 | KUNIT_CASE(tb_test_credit_alloc_dp), |
2888 | KUNIT_CASE(tb_test_credit_alloc_usb3), |
2889 | KUNIT_CASE(tb_test_credit_alloc_dma), |
2890 | KUNIT_CASE(tb_test_credit_alloc_dma_multiple), |
2891 | KUNIT_CASE(tb_test_credit_alloc_all), |
2892 | KUNIT_CASE(tb_test_property_parse), |
2893 | KUNIT_CASE(tb_test_property_format), |
2894 | KUNIT_CASE(tb_test_property_copy), |
2895 | { } |
2896 | }; |
2897 | |
2898 | static struct kunit_suite tb_test_suite = { |
2899 | .name = "thunderbolt" , |
2900 | .test_cases = tb_test_cases, |
2901 | }; |
2902 | |
2903 | kunit_test_suite(tb_test_suite); |
2904 | |