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54509f50 MW |
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" | |
40c14d9f | 13 | #include "tunnel.h" |
54509f50 MW |
14 | |
15 | static int __ida_init(struct kunit_resource *res, void *context) | |
16 | { | |
17 | struct ida *ida = context; | |
18 | ||
19 | ida_init(ida); | |
71fa1a44 | 20 | res->data = ida; |
54509f50 MW |
21 | return 0; |
22 | } | |
23 | ||
24 | static void __ida_destroy(struct kunit_resource *res) | |
25 | { | |
71fa1a44 | 26 | struct ida *ida = res->data; |
54509f50 MW |
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, __ida_init, __ida_destroy, GFP_KERNEL, 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, 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, &sw->ports[i].in_hopids); | |
65 | kunit_ida_init(test, &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, 0, 7, 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; | |
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90 | sw->ports[1].total_credits = 60; |
91 | sw->ports[1].ctl_credits = 2; | |
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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; | |
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97 | sw->ports[2].total_credits = 60; |
98 | sw->ports[2].ctl_credits = 2; | |
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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; | |
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105 | sw->ports[3].total_credits = 60; |
106 | sw->ports[3].ctl_credits = 2; | |
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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; | |
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112 | sw->ports[4].total_credits = 60; |
113 | sw->ports[4].ctl_credits = 2; | |
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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; | |
5adab6cc | 130 | sw->ports[7].config.nfc_credits = 0x41800000; |
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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 | ||
bfa8f78e MW |
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 | ||
481012b4 MW |
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 | ||
54509f50 MW |
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, 1, 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; | |
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211 | sw->ports[1].total_credits = 60; |
212 | sw->ports[1].ctl_credits = 2; | |
54509f50 MW |
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; | |
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218 | sw->ports[2].total_credits = 60; |
219 | sw->ports[2].ctl_credits = 2; | |
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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; | |
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226 | sw->ports[3].total_credits = 60; |
227 | sw->ports[3].ctl_credits = 2; | |
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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; | |
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233 | sw->ports[4].total_credits = 60; |
234 | sw->ports[4].ctl_credits = 2; | |
54509f50 MW |
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; | |
bfa8f78e MW |
241 | sw->ports[5].total_credits = 60; |
242 | sw->ports[5].ctl_credits = 2; | |
54509f50 MW |
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; | |
bfa8f78e MW |
248 | sw->ports[6].total_credits = 60; |
249 | sw->ports[6].ctl_credits = 2; | |
54509f50 MW |
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; | |
bfa8f78e MW |
256 | sw->ports[7].total_credits = 60; |
257 | sw->ports[7].ctl_credits = 2; | |
54509f50 MW |
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; | |
bfa8f78e MW |
263 | sw->ports[8].total_credits = 60; |
264 | sw->ports[8].ctl_credits = 2; | |
54509f50 MW |
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, 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; | |
54509f50 | 323 | |
a0d36fa1 MW |
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 | } | |
54509f50 MW |
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 | ||
c7c99a09 GF |
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 | ||
bfa8f78e MW |
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 | ||
54509f50 MW |
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(src_port, dst_port, NULL); | |
434 | KUNIT_EXPECT_PTR_EQ(test, p, dst_port); | |
435 | ||
436 | p = tb_next_port_on_path(src_port, dst_port, 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, 3, true); | |
448 | ||
449 | src_port = &host->ports[12]; | |
450 | dst_port = &dev->ports[16]; | |
451 | ||
452 | p = tb_next_port_on_path(src_port, dst_port, NULL); | |
453 | KUNIT_EXPECT_PTR_EQ(test, p, src_port); | |
454 | ||
455 | p = tb_next_port_on_path(src_port, dst_port, p); | |
456 | KUNIT_EXPECT_PTR_EQ(test, p, &host->ports[3]); | |
457 | ||
458 | p = tb_next_port_on_path(src_port, dst_port, p); | |
459 | KUNIT_EXPECT_TRUE(test, !p); | |
460 | ||
461 | /* Other direction */ | |
462 | ||
463 | p = tb_next_port_on_path(dst_port, src_port, NULL); | |
464 | KUNIT_EXPECT_PTR_EQ(test, p, dst_port); | |
465 | ||
466 | p = tb_next_port_on_path(dst_port, src_port, p); | |
467 | KUNIT_EXPECT_PTR_EQ(test, p, &dev->ports[1]); | |
468 | ||
469 | p = tb_next_port_on_path(dst_port, src_port, 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, host, 1, 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); | |
824945a5 DG |
513 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)p->config.type, |
514 | test_data[i].type); | |
54509f50 MW |
515 | i++; |
516 | } | |
517 | ||
8f0877c2 | 518 | KUNIT_EXPECT_EQ(test, i, ARRAY_SIZE(test_data)); |
54509f50 MW |
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); | |
824945a5 DG |
525 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)p->config.type, |
526 | test_data[i].type); | |
54509f50 MW |
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, host, 0x1, true); | |
560 | dev2 = alloc_dev_default(test, dev1, 0x301, 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); | |
824945a5 DG |
572 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)p->config.type, |
573 | test_data[i].type); | |
54509f50 MW |
574 | i++; |
575 | } | |
576 | ||
8f0877c2 | 577 | KUNIT_EXPECT_EQ(test, i, ARRAY_SIZE(test_data)); |
54509f50 MW |
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); | |
824945a5 DG |
584 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)p->config.type, |
585 | test_data[i].type); | |
54509f50 MW |
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, host, 0x1, true); | |
621 | alloc_dev_default(test, dev1, 0x301, true); | |
622 | dev3 = alloc_dev_default(test, dev1, 0x501, true); | |
623 | alloc_dev_default(test, dev1, 0x701, 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); | |
824945a5 DG |
635 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)p->config.type, |
636 | test_data[i].type); | |
54509f50 MW |
637 | i++; |
638 | } | |
639 | ||
8f0877c2 | 640 | KUNIT_EXPECT_EQ(test, i, ARRAY_SIZE(test_data)); |
54509f50 MW |
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); | |
824945a5 DG |
647 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)p->config.type, |
648 | test_data[i].type); | |
54509f50 MW |
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, host, 0x1, true); | |
700 | dev2 = alloc_dev_default(test, dev1, 0x301, true); | |
701 | dev3 = alloc_dev_with_dpin(test, dev2, 0x50301, true); | |
702 | alloc_dev_default(test, dev1, 0x501, true); | |
703 | dev5 = alloc_dev_default(test, dev1, 0x701, true); | |
704 | dev6 = alloc_dev_default(test, dev5, 0x70701, true); | |
705 | dev7 = alloc_dev_default(test, dev6, 0x3070701, true); | |
706 | alloc_dev_default(test, dev7, 0x303070701, true); | |
707 | dev9 = alloc_dev_default(test, dev7, 0x503070701, 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); | |
824945a5 DG |
719 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)p->config.type, |
720 | test_data[i].type); | |
54509f50 MW |
721 | i++; |
722 | } | |
723 | ||
8f0877c2 | 724 | KUNIT_EXPECT_EQ(test, i, ARRAY_SIZE(test_data)); |
54509f50 MW |
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); | |
824945a5 DG |
731 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)p->config.type, |
732 | test_data[i].type); | |
54509f50 MW |
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, host, 0x1, true); | |
800 | dev2 = alloc_dev_default(test, dev1, 0x301, true); | |
801 | dev3 = alloc_dev_default(test, dev2, 0x30301, true); | |
802 | dev4 = alloc_dev_default(test, dev3, 0x3030301, true); | |
803 | dev5 = alloc_dev_default(test, dev4, 0x303030301, true); | |
804 | dev6 = alloc_dev_with_dpin(test, dev5, 0x30303030301, true); | |
805 | dev7 = alloc_dev_default(test, host, 0x3, true); | |
806 | dev8 = alloc_dev_default(test, dev7, 0x303, true); | |
807 | dev9 = alloc_dev_default(test, dev8, 0x30303, true); | |
808 | dev10 = alloc_dev_default(test, dev9, 0x3030303, true); | |
809 | dev11 = alloc_dev_default(test, dev10, 0x303030303, true); | |
810 | dev12 = alloc_dev_default(test, dev11, 0x30303030303, 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); | |
824945a5 DG |
822 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)p->config.type, |
823 | test_data[i].type); | |
54509f50 MW |
824 | i++; |
825 | } | |
826 | ||
8f0877c2 | 827 | KUNIT_EXPECT_EQ(test, i, ARRAY_SIZE(test_data)); |
54509f50 MW |
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); | |
824945a5 DG |
834 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)p->config.type, |
835 | test_data[i].type); | |
54509f50 MW |
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, host, 0x3, false); | |
850 | /* Not connected to anything */ | |
851 | dev2 = alloc_dev_default(test, NULL, 0x303, false); | |
852 | ||
853 | down = &dev1->ports[10]; | |
854 | up = &dev2->ports[9]; | |
855 | ||
856 | path = tb_path_alloc(NULL, down, 8, up, 8, 0, "PCIe Down"); | |
7aadf843 | 857 | KUNIT_ASSERT_NULL(test, path); |
54509f50 | 858 | path = tb_path_alloc(NULL, down, 8, up, 8, 1, "PCIe Down"); |
7aadf843 | 859 | KUNIT_ASSERT_NULL(test, path); |
54509f50 MW |
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, host, 0x3, false); | |
903 | ||
904 | down = &host->ports[9]; | |
905 | up = &dev->ports[9]; | |
906 | ||
907 | path = tb_path_alloc(NULL, down, 8, up, 8, 0, "PCIe Down"); | |
7aadf843 | 908 | KUNIT_ASSERT_NOT_NULL(test, path); |
8f0877c2 | 909 | KUNIT_ASSERT_EQ(test, path->path_length, ARRAY_SIZE(test_data)); |
54509f50 MW |
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); | |
824945a5 DG |
918 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)in_port->config.type, |
919 | test_data[i].in_type); | |
54509f50 MW |
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); | |
824945a5 DG |
922 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)out_port->config.type, |
923 | test_data[i].out_type); | |
54509f50 MW |
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, host, 0x1, false); | |
965 | ||
966 | in = &host->ports[5]; | |
967 | out = &dev->ports[13]; | |
968 | ||
969 | path = tb_path_alloc(NULL, in, 9, out, 9, 1, "Video"); | |
7aadf843 | 970 | KUNIT_ASSERT_NOT_NULL(test, path); |
8f0877c2 | 971 | KUNIT_ASSERT_EQ(test, path->path_length, ARRAY_SIZE(test_data)); |
54509f50 MW |
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); | |
824945a5 DG |
980 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)in_port->config.type, |
981 | test_data[i].in_type); | |
54509f50 MW |
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); | |
824945a5 DG |
984 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)out_port->config.type, |
985 | test_data[i].out_type); | |
54509f50 MW |
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, host, 0x1, false); | |
1043 | dev2 = alloc_dev_default(test, dev1, 0x701, false); | |
1044 | dev3 = alloc_dev_default(test, dev2, 0x50701, false); | |
1045 | ||
1046 | in = &host->ports[5]; | |
1047 | out = &dev3->ports[13]; | |
1048 | ||
1049 | path = tb_path_alloc(NULL, in, 9, out, 9, 1, "Video"); | |
7aadf843 | 1050 | KUNIT_ASSERT_NOT_NULL(test, path); |
8f0877c2 | 1051 | KUNIT_ASSERT_EQ(test, path->path_length, ARRAY_SIZE(test_data)); |
54509f50 MW |
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); | |
824945a5 DG |
1060 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)in_port->config.type, |
1061 | test_data[i].in_type); | |
54509f50 MW |
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); | |
824945a5 DG |
1064 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)out_port->config.type, |
1065 | test_data[i].out_type); | |
54509f50 MW |
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, host, 0x1, false); | |
1123 | dev2 = alloc_dev_default(test, dev1, 0x701, false); | |
1124 | dev3 = alloc_dev_with_dpin(test, dev2, 0x50701, false); | |
1125 | ||
1126 | in = &dev3->ports[13]; | |
1127 | out = &host->ports[5]; | |
1128 | ||
1129 | path = tb_path_alloc(NULL, in, 9, out, 9, 1, "Video"); | |
7aadf843 | 1130 | KUNIT_ASSERT_NOT_NULL(test, path); |
8f0877c2 | 1131 | KUNIT_ASSERT_EQ(test, path->path_length, ARRAY_SIZE(test_data)); |
54509f50 MW |
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); | |
824945a5 DG |
1140 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)in_port->config.type, |
1141 | test_data[i].in_type); | |
54509f50 MW |
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); | |
824945a5 DG |
1144 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)out_port->config.type, |
1145 | test_data[i].out_type); | |
54509f50 MW |
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, host, 0x1, true); | |
1214 | dev2 = alloc_dev_default(test, dev1, 0x701, false); | |
1215 | dev3 = alloc_dev_default(test, dev2, 0x50701, false); | |
1216 | dev4 = alloc_dev_default(test, dev3, 0x3050701, true); | |
1217 | ||
1218 | in = &host->ports[5]; | |
1219 | out = &dev4->ports[13]; | |
1220 | ||
1221 | path = tb_path_alloc(NULL, in, 9, out, 9, 1, "Video"); | |
7aadf843 | 1222 | KUNIT_ASSERT_NOT_NULL(test, path); |
8f0877c2 | 1223 | KUNIT_ASSERT_EQ(test, path->path_length, ARRAY_SIZE(test_data)); |
54509f50 MW |
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); | |
824945a5 DG |
1232 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)in_port->config.type, |
1233 | test_data[i].in_type); | |
54509f50 MW |
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); | |
824945a5 DG |
1236 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)out_port->config.type, |
1237 | test_data[i].out_type); | |
54509f50 MW |
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, host, 0x1, true); | |
1306 | dev2 = alloc_dev_default(test, dev1, 0x701, false); | |
1307 | dev3 = alloc_dev_default(test, dev2, 0x50701, false); | |
1308 | dev4 = alloc_dev_default(test, dev3, 0x3050701, true); | |
1309 | ||
1310 | in = &dev4->ports[13]; | |
1311 | out = &host->ports[5]; | |
1312 | ||
1313 | path = tb_path_alloc(NULL, in, 9, out, 9, 1, "Video"); | |
7aadf843 | 1314 | KUNIT_ASSERT_NOT_NULL(test, path); |
8f0877c2 | 1315 | KUNIT_ASSERT_EQ(test, path->path_length, ARRAY_SIZE(test_data)); |
54509f50 MW |
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); | |
824945a5 DG |
1324 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)in_port->config.type, |
1325 | test_data[i].in_type); | |
54509f50 MW |
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); | |
824945a5 DG |
1328 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)out_port->config.type, |
1329 | test_data[i].out_type); | |
54509f50 MW |
1330 | } |
1331 | tb_path_free(path); | |
1332 | } | |
1333 | ||
40c14d9f MW |
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, host, 0x1, true); | |
1353 | dev2 = alloc_dev_default(test, dev1, 0x501, true); | |
1354 | ||
1355 | down = &host->ports[8]; | |
1356 | up = &dev1->ports[9]; | |
1357 | tunnel1 = tb_tunnel_alloc_pci(NULL, up, down); | |
7aadf843 | 1358 | KUNIT_ASSERT_NOT_NULL(test, tunnel1); |
8f0877c2 | 1359 | KUNIT_EXPECT_EQ(test, tunnel1->type, TB_TUNNEL_PCI); |
40c14d9f MW |
1360 | KUNIT_EXPECT_PTR_EQ(test, tunnel1->src_port, down); |
1361 | KUNIT_EXPECT_PTR_EQ(test, tunnel1->dst_port, up); | |
8f0877c2 | 1362 | KUNIT_ASSERT_EQ(test, tunnel1->npaths, 2); |
40c14d9f MW |
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); | |
7aadf843 | 1373 | KUNIT_ASSERT_NOT_NULL(test, tunnel2); |
8f0877c2 | 1374 | KUNIT_EXPECT_EQ(test, tunnel2->type, TB_TUNNEL_PCI); |
40c14d9f MW |
1375 | KUNIT_EXPECT_PTR_EQ(test, tunnel2->src_port, down); |
1376 | KUNIT_EXPECT_PTR_EQ(test, tunnel2->dst_port, up); | |
8f0877c2 | 1377 | KUNIT_ASSERT_EQ(test, tunnel2->npaths, 2); |
40c14d9f MW |
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(tunnel2); | |
1386 | tb_tunnel_free(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, host, 0x3, true); | |
1405 | ||
1406 | in = &host->ports[5]; | |
1407 | out = &dev->ports[13]; | |
1408 | ||
9d2d0a5c | 1409 | tunnel = tb_tunnel_alloc_dp(NULL, in, out, 1, 0, 0); |
7aadf843 | 1410 | KUNIT_ASSERT_NOT_NULL(test, tunnel); |
8f0877c2 | 1411 | KUNIT_EXPECT_EQ(test, tunnel->type, TB_TUNNEL_DP); |
40c14d9f MW |
1412 | KUNIT_EXPECT_PTR_EQ(test, tunnel->src_port, in); |
1413 | KUNIT_EXPECT_PTR_EQ(test, tunnel->dst_port, out); | |
8f0877c2 | 1414 | KUNIT_ASSERT_EQ(test, tunnel->npaths, 3); |
40c14d9f MW |
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, host, 0x1, true); | |
1448 | alloc_dev_default(test, dev1, 0x301, true); | |
1449 | alloc_dev_default(test, dev1, 0x501, true); | |
1450 | dev4 = alloc_dev_default(test, dev1, 0x701, true); | |
1451 | ||
1452 | in = &host->ports[5]; | |
1453 | out = &dev4->ports[14]; | |
1454 | ||
9d2d0a5c | 1455 | tunnel = tb_tunnel_alloc_dp(NULL, in, out, 1, 0, 0); |
7aadf843 | 1456 | KUNIT_ASSERT_NOT_NULL(test, tunnel); |
8f0877c2 | 1457 | KUNIT_EXPECT_EQ(test, tunnel->type, TB_TUNNEL_DP); |
40c14d9f MW |
1458 | KUNIT_EXPECT_PTR_EQ(test, tunnel->src_port, in); |
1459 | KUNIT_EXPECT_PTR_EQ(test, tunnel->dst_port, out); | |
8f0877c2 | 1460 | KUNIT_ASSERT_EQ(test, tunnel->npaths, 3); |
40c14d9f MW |
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, host, 0x3, true); | |
1497 | dev2 = alloc_dev_with_dpin(test, dev1, 0x303, true); | |
1498 | dev3 = alloc_dev_default(test, dev1, 0x503, true); | |
1499 | alloc_dev_default(test, dev1, 0x703, true); | |
1500 | dev5 = alloc_dev_default(test, dev3, 0x50503, true); | |
1501 | ||
1502 | in = &dev2->ports[13]; | |
1503 | out = &dev5->ports[13]; | |
1504 | ||
9d2d0a5c | 1505 | tunnel = tb_tunnel_alloc_dp(NULL, in, out, 1, 0, 0); |
7aadf843 | 1506 | KUNIT_ASSERT_NOT_NULL(test, tunnel); |
8f0877c2 | 1507 | KUNIT_EXPECT_EQ(test, tunnel->type, TB_TUNNEL_DP); |
40c14d9f MW |
1508 | KUNIT_EXPECT_PTR_EQ(test, tunnel->src_port, in); |
1509 | KUNIT_EXPECT_PTR_EQ(test, tunnel->dst_port, out); | |
8f0877c2 | 1510 | KUNIT_ASSERT_EQ(test, tunnel->npaths, 3); |
40c14d9f MW |
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, host, 0x1, true); | |
1555 | dev2 = alloc_dev_default(test, dev1, 0x301, true); | |
1556 | dev3 = alloc_dev_default(test, dev2, 0x30301, true); | |
1557 | dev4 = alloc_dev_default(test, dev3, 0x3030301, true); | |
1558 | dev5 = alloc_dev_default(test, dev4, 0x303030301, true); | |
1559 | dev6 = alloc_dev_with_dpin(test, dev5, 0x30303030301, true); | |
1560 | dev7 = alloc_dev_default(test, host, 0x3, true); | |
1561 | dev8 = alloc_dev_default(test, dev7, 0x303, true); | |
1562 | dev9 = alloc_dev_default(test, dev8, 0x30303, true); | |
1563 | dev10 = alloc_dev_default(test, dev9, 0x3030303, true); | |
1564 | dev11 = alloc_dev_default(test, dev10, 0x303030303, true); | |
1565 | dev12 = alloc_dev_default(test, dev11, 0x30303030303, true); | |
1566 | ||
1567 | in = &dev6->ports[13]; | |
1568 | out = &dev12->ports[13]; | |
1569 | ||
9d2d0a5c | 1570 | tunnel = tb_tunnel_alloc_dp(NULL, in, out, 1, 0, 0); |
7aadf843 | 1571 | KUNIT_ASSERT_NOT_NULL(test, tunnel); |
8f0877c2 | 1572 | KUNIT_EXPECT_EQ(test, tunnel->type, TB_TUNNEL_DP); |
40c14d9f MW |
1573 | KUNIT_EXPECT_PTR_EQ(test, tunnel->src_port, in); |
1574 | KUNIT_EXPECT_PTR_EQ(test, tunnel->dst_port, out); | |
8f0877c2 | 1575 | KUNIT_ASSERT_EQ(test, tunnel->npaths, 3); |
40c14d9f MW |
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 | ||
481012b4 MW |
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, host, 0x3, true); | |
1627 | dev2 = alloc_dev_default(test, dev1, 0x303, true); | |
1628 | dev3 = alloc_dev_default(test, dev1, 0x503, true); | |
1629 | dev4 = alloc_dev_default(test, dev1, 0x703, true); | |
1630 | dev5 = alloc_dev_default(test, dev3, 0x50503, 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, in1, out1, 1, 0, 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, in2, out2, 1, 0, 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, in3, out3, 1, 0, 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(tunnel2); | |
1665 | tb_tunnel_free(tunnel1); | |
1666 | } | |
1667 | ||
40c14d9f MW |
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, host, 0x1, true); | |
1687 | dev2 = alloc_dev_default(test, dev1, 0x701, true); | |
1688 | ||
1689 | down = &host->ports[12]; | |
1690 | up = &dev1->ports[16]; | |
1691 | tunnel1 = tb_tunnel_alloc_usb3(NULL, up, down, 0, 0); | |
7aadf843 | 1692 | KUNIT_ASSERT_NOT_NULL(test, tunnel1); |
8f0877c2 | 1693 | KUNIT_EXPECT_EQ(test, tunnel1->type, TB_TUNNEL_USB3); |
40c14d9f MW |
1694 | KUNIT_EXPECT_PTR_EQ(test, tunnel1->src_port, down); |
1695 | KUNIT_EXPECT_PTR_EQ(test, tunnel1->dst_port, up); | |
8f0877c2 | 1696 | KUNIT_ASSERT_EQ(test, tunnel1->npaths, 2); |
40c14d9f MW |
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, 0, 0); | |
7aadf843 | 1707 | KUNIT_ASSERT_NOT_NULL(test, tunnel2); |
8f0877c2 | 1708 | KUNIT_EXPECT_EQ(test, tunnel2->type, TB_TUNNEL_USB3); |
40c14d9f MW |
1709 | KUNIT_EXPECT_PTR_EQ(test, tunnel2->src_port, down); |
1710 | KUNIT_EXPECT_PTR_EQ(test, tunnel2->dst_port, up); | |
8f0877c2 | 1711 | KUNIT_ASSERT_EQ(test, tunnel2->npaths, 2); |
40c14d9f MW |
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(tunnel2); | |
1720 | tb_tunnel_free(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, host, 0x3, true); | |
1745 | dev2 = alloc_dev_with_dpin(test, dev1, 0x303, true); | |
1746 | dev3 = alloc_dev_default(test, dev1, 0x503, true); | |
1747 | dev4 = alloc_dev_default(test, dev1, 0x703, true); | |
1748 | dev5 = alloc_dev_default(test, dev3, 0x50503, true); | |
1749 | ||
1750 | in = &dev2->ports[13]; | |
1751 | out = &dev5->ports[13]; | |
1752 | ||
9d2d0a5c | 1753 | dp_tunnel = tb_tunnel_alloc_dp(NULL, in, out, 1, 0, 0); |
7aadf843 | 1754 | KUNIT_ASSERT_NOT_NULL(test, dp_tunnel); |
40c14d9f MW |
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(dp_tunnel); | |
1787 | } | |
1788 | ||
5adab6cc MW |
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, port, 8, 1, 8, 1); | |
7aadf843 | 1811 | KUNIT_ASSERT_NOT_NULL(test, tunnel); |
8f0877c2 | 1812 | KUNIT_EXPECT_EQ(test, tunnel->type, TB_TUNNEL_DMA); |
5adab6cc MW |
1813 | KUNIT_EXPECT_PTR_EQ(test, tunnel->src_port, nhi); |
1814 | KUNIT_EXPECT_PTR_EQ(test, tunnel->dst_port, port); | |
8f0877c2 | 1815 | KUNIT_ASSERT_EQ(test, tunnel->npaths, 2); |
5adab6cc MW |
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, port, -1, -1, 15, 2); | |
7aadf843 | 1854 | KUNIT_ASSERT_NOT_NULL(test, tunnel); |
8f0877c2 | 1855 | KUNIT_EXPECT_EQ(test, tunnel->type, TB_TUNNEL_DMA); |
5adab6cc MW |
1856 | KUNIT_EXPECT_PTR_EQ(test, tunnel->src_port, nhi); |
1857 | KUNIT_EXPECT_PTR_EQ(test, tunnel->dst_port, port); | |
8f0877c2 | 1858 | KUNIT_ASSERT_EQ(test, tunnel->npaths, 1); |
5adab6cc MW |
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, port, 15, 2, -1, -1); | |
7aadf843 | 1891 | KUNIT_ASSERT_NOT_NULL(test, tunnel); |
8f0877c2 | 1892 | KUNIT_EXPECT_EQ(test, tunnel->type, TB_TUNNEL_DMA); |
5adab6cc MW |
1893 | KUNIT_EXPECT_PTR_EQ(test, tunnel->src_port, nhi); |
1894 | KUNIT_EXPECT_PTR_EQ(test, tunnel->dst_port, port); | |
8f0877c2 | 1895 | KUNIT_ASSERT_EQ(test, tunnel->npaths, 1); |
5adab6cc MW |
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, host, 0x1, true); | |
1932 | dev2 = alloc_dev_default(test, dev1, 0x701, true); | |
1933 | ||
1934 | nhi = &host->ports[7]; | |
1935 | port = &dev2->ports[3]; | |
1936 | tunnel = tb_tunnel_alloc_dma(NULL, nhi, port, 8, 1, 8, 1); | |
7aadf843 | 1937 | KUNIT_ASSERT_NOT_NULL(test, tunnel); |
8f0877c2 | 1938 | KUNIT_EXPECT_EQ(test, tunnel->type, TB_TUNNEL_DMA); |
5adab6cc MW |
1939 | KUNIT_EXPECT_PTR_EQ(test, tunnel->src_port, nhi); |
1940 | KUNIT_EXPECT_PTR_EQ(test, tunnel->dst_port, port); | |
8f0877c2 | 1941 | KUNIT_ASSERT_EQ(test, tunnel->npaths, 2); |
5adab6cc MW |
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, port, 15, 1, 15, 1); | |
7aadf843 | 1983 | KUNIT_ASSERT_NOT_NULL(test, tunnel); |
5adab6cc MW |
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, port, 15, 1, -1, -1); | |
7aadf843 | 1999 | KUNIT_ASSERT_NOT_NULL(test, tunnel); |
5adab6cc MW |
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, port, -1, -1, 15, 11); | |
7aadf843 | 2011 | KUNIT_ASSERT_NOT_NULL(test, tunnel); |
5adab6cc MW |
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 | ||
bfa8f78e MW |
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, host, 0x1, false); | |
2032 | ||
2033 | down = &host->ports[8]; | |
2034 | up = &dev->ports[9]; | |
2035 | tunnel = tb_tunnel_alloc_pci(NULL, up, down); | |
7aadf843 | 2036 | KUNIT_ASSERT_NOT_NULL(test, tunnel); |
bfa8f78e MW |
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, host, 0x1, true); | |
2065 | ||
2066 | down = &host->ports[8]; | |
2067 | up = &dev->ports[9]; | |
2068 | tunnel = tb_tunnel_alloc_pci(NULL, up, down); | |
7aadf843 | 2069 | KUNIT_ASSERT_NOT_NULL(test, tunnel); |
bfa8f78e MW |
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, host, 0x1, true); | |
2098 | ||
2099 | down = &host->ports[8]; | |
2100 | up = &dev->ports[9]; | |
2101 | tunnel = tb_tunnel_alloc_pci(NULL, up, down); | |
7aadf843 | 2102 | KUNIT_ASSERT_NOT_NULL(test, tunnel); |
bfa8f78e MW |
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 | ||
c7c99a09 GF |
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, host, 0x1, 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 | ||
bfa8f78e MW |
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, host, 0x1, true); | |
2181 | ||
2182 | in = &host->ports[5]; | |
2183 | out = &dev->ports[14]; | |
2184 | ||
9d2d0a5c | 2185 | tunnel = tb_tunnel_alloc_dp(NULL, in, out, 1, 0, 0); |
7aadf843 | 2186 | KUNIT_ASSERT_NOT_NULL(test, tunnel); |
bfa8f78e MW |
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, host, 0x1, true); | |
2225 | ||
2226 | down = &host->ports[12]; | |
2227 | up = &dev->ports[16]; | |
2228 | tunnel = tb_tunnel_alloc_usb3(NULL, up, down, 0, 0); | |
7aadf843 | 2229 | KUNIT_ASSERT_NOT_NULL(test, tunnel); |
bfa8f78e MW |
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, host, 0x1, true); | |
2258 | ||
2259 | nhi = &host->ports[7]; | |
2260 | port = &dev->ports[3]; | |
2261 | ||
2262 | tunnel = tb_tunnel_alloc_dma(NULL, nhi, port, 8, 1, 8, 1); | |
7aadf843 | 2263 | KUNIT_ASSERT_NOT_NULL(test, tunnel); |
bfa8f78e MW |
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, host, 0x1, 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, port, 8, 1, 8, 1); | |
7aadf843 | 2317 | KUNIT_ASSERT_NOT_NULL(test, tunnel1); |
bfa8f78e MW |
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, port, 9, 2, 9, 2); | |
7aadf843 | 2335 | KUNIT_ASSERT_NOT_NULL(test, tunnel2); |
bfa8f78e MW |
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, port, 10, 3, 10, 3); | |
7aadf843 | 2353 | KUNIT_ASSERT_NULL(test, tunnel3); |
bfa8f78e MW |
2354 | |
2355 | /* | |
2356 | * Release the first DMA tunnel. That should make 14 buffers | |
2357 | * available for the next tunnel. | |
2358 | */ | |
2359 | tb_tunnel_free(tunnel1); | |
2360 | ||
2361 | tunnel3 = tb_tunnel_alloc_dma(NULL, nhi, port, 10, 3, 10, 3); | |
7aadf843 | 2362 | KUNIT_ASSERT_NOT_NULL(test, tunnel3); |
bfa8f78e MW |
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(tunnel3); | |
2379 | tb_tunnel_free(tunnel2); | |
2380 | } | |
2381 | ||
4b93c544 LT |
2382 | static struct tb_tunnel *TB_TEST_PCIE_TUNNEL(struct kunit *test, |
2383 | struct tb_switch *host, struct tb_switch *dev) | |
bfa8f78e | 2384 | { |
4b93c544 LT |
2385 | struct tb_port *up, *down; |
2386 | struct tb_tunnel *pcie_tunnel; | |
bfa8f78e MW |
2387 | struct tb_path *path; |
2388 | ||
bfa8f78e MW |
2389 | down = &host->ports[8]; |
2390 | up = &dev->ports[9]; | |
2391 | pcie_tunnel = tb_tunnel_alloc_pci(NULL, up, down); | |
7aadf843 | 2392 | KUNIT_ASSERT_NOT_NULL(test, pcie_tunnel); |
bfa8f78e MW |
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 | ||
4b93c544 LT |
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 | ||
bfa8f78e MW |
2419 | in = &host->ports[5]; |
2420 | out = &dev->ports[13]; | |
9d2d0a5c | 2421 | dp_tunnel1 = tb_tunnel_alloc_dp(NULL, in, out, 1, 0, 0); |
7aadf843 | 2422 | KUNIT_ASSERT_NOT_NULL(test, dp_tunnel1); |
bfa8f78e MW |
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 | ||
4b93c544 LT |
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 | ||
bfa8f78e MW |
2456 | in = &host->ports[6]; |
2457 | out = &dev->ports[14]; | |
9d2d0a5c | 2458 | dp_tunnel2 = tb_tunnel_alloc_dp(NULL, in, out, 1, 0, 0); |
7aadf843 | 2459 | KUNIT_ASSERT_NOT_NULL(test, dp_tunnel2); |
bfa8f78e MW |
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 | ||
4b93c544 LT |
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 | ||
bfa8f78e MW |
2493 | down = &host->ports[12]; |
2494 | up = &dev->ports[16]; | |
2495 | usb3_tunnel = tb_tunnel_alloc_usb3(NULL, up, down, 0, 0); | |
7aadf843 | 2496 | KUNIT_ASSERT_NOT_NULL(test, usb3_tunnel); |
bfa8f78e MW |
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 | ||
4b93c544 LT |
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 | ||
bfa8f78e MW |
2523 | nhi = &host->ports[7]; |
2524 | port = &dev->ports[3]; | |
bfa8f78e | 2525 | dma_tunnel1 = tb_tunnel_alloc_dma(NULL, nhi, port, 8, 1, 8, 1); |
7aadf843 | 2526 | KUNIT_ASSERT_NOT_NULL(test, dma_tunnel1); |
bfa8f78e MW |
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 | ||
4b93c544 LT |
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]; | |
bfa8f78e | 2555 | dma_tunnel2 = tb_tunnel_alloc_dma(NULL, nhi, port, 9, 2, 9, 2); |
7aadf843 | 2556 | KUNIT_ASSERT_NOT_NULL(test, dma_tunnel2); |
bfa8f78e MW |
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 | ||
4b93c544 LT |
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, host, 0x1, 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 | ||
bfa8f78e MW |
2598 | tb_tunnel_free(dma_tunnel2); |
2599 | tb_tunnel_free(dma_tunnel1); | |
2600 | tb_tunnel_free(usb3_tunnel); | |
2601 | tb_tunnel_free(dp_tunnel2); | |
2602 | tb_tunnel_free(dp_tunnel1); | |
2603 | tb_tunnel_free(pcie_tunnel); | |
2604 | } | |
2605 | ||
15a4c7e8 MW |
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(root_directory, ARRAY_SIZE(root_directory)); | |
7aadf843 | 2672 | KUNIT_ASSERT_NOT_NULL(test, dir); |
15a4c7e8 MW |
2673 | |
2674 | p = tb_property_find(dir, "foo", TB_PROPERTY_TYPE_TEXT); | |
7aadf843 | 2675 | KUNIT_ASSERT_NULL(test, p); |
15a4c7e8 MW |
2676 | |
2677 | p = tb_property_find(dir, "vendorid", TB_PROPERTY_TYPE_TEXT); | |
7aadf843 | 2678 | KUNIT_ASSERT_NOT_NULL(test, p); |
15a4c7e8 MW |
2679 | KUNIT_EXPECT_STREQ(test, p->value.text, "Apple Inc."); |
2680 | ||
2681 | p = tb_property_find(dir, "vendorid", TB_PROPERTY_TYPE_VALUE); | |
7aadf843 | 2682 | KUNIT_ASSERT_NOT_NULL(test, p); |
8f0877c2 | 2683 | KUNIT_EXPECT_EQ(test, p->value.immediate, 0xa27); |
15a4c7e8 MW |
2684 | |
2685 | p = tb_property_find(dir, "deviceid", TB_PROPERTY_TYPE_TEXT); | |
7aadf843 | 2686 | KUNIT_ASSERT_NOT_NULL(test, p); |
15a4c7e8 MW |
2687 | KUNIT_EXPECT_STREQ(test, p->value.text, "Macintosh"); |
2688 | ||
2689 | p = tb_property_find(dir, "deviceid", TB_PROPERTY_TYPE_VALUE); | |
7aadf843 | 2690 | KUNIT_ASSERT_NOT_NULL(test, p); |
8f0877c2 | 2691 | KUNIT_EXPECT_EQ(test, p->value.immediate, 0xa); |
15a4c7e8 MW |
2692 | |
2693 | p = tb_property_find(dir, "missing", TB_PROPERTY_TYPE_DIRECTORY); | |
7aadf843 | 2694 | KUNIT_ASSERT_NULL(test, p); |
15a4c7e8 MW |
2695 | |
2696 | p = tb_property_find(dir, "network", TB_PROPERTY_TYPE_DIRECTORY); | |
7aadf843 | 2697 | KUNIT_ASSERT_NOT_NULL(test, p); |
15a4c7e8 MW |
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(network_dir, "prtcid", TB_PROPERTY_TYPE_VALUE); | |
7aadf843 | 2703 | KUNIT_ASSERT_NOT_NULL(test, p); |
8f0877c2 | 2704 | KUNIT_EXPECT_EQ(test, p->value.immediate, 0x1); |
15a4c7e8 MW |
2705 | |
2706 | p = tb_property_find(network_dir, "prtcvers", TB_PROPERTY_TYPE_VALUE); | |
7aadf843 | 2707 | KUNIT_ASSERT_NOT_NULL(test, p); |
8f0877c2 | 2708 | KUNIT_EXPECT_EQ(test, p->value.immediate, 0x1); |
15a4c7e8 MW |
2709 | |
2710 | p = tb_property_find(network_dir, "prtcrevs", TB_PROPERTY_TYPE_VALUE); | |
7aadf843 | 2711 | KUNIT_ASSERT_NOT_NULL(test, p); |
8f0877c2 | 2712 | KUNIT_EXPECT_EQ(test, p->value.immediate, 0x1); |
15a4c7e8 MW |
2713 | |
2714 | p = tb_property_find(network_dir, "prtcstns", TB_PROPERTY_TYPE_VALUE); | |
7aadf843 | 2715 | KUNIT_ASSERT_NOT_NULL(test, p); |
8f0877c2 | 2716 | KUNIT_EXPECT_EQ(test, p->value.immediate, 0x0); |
15a4c7e8 MW |
2717 | |
2718 | p = tb_property_find(network_dir, "deviceid", TB_PROPERTY_TYPE_VALUE); | |
2719 | KUNIT_EXPECT_TRUE(test, !p); | |
2720 | p = tb_property_find(network_dir, "deviceid", 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(root_directory, ARRAY_SIZE(root_directory)); | |
7aadf843 | 2734 | KUNIT_ASSERT_NOT_NULL(test, dir); |
15a4c7e8 MW |
2735 | |
2736 | ret = tb_property_format_dir(dir, NULL, 0); | |
8f0877c2 | 2737 | KUNIT_ASSERT_EQ(test, ret, ARRAY_SIZE(root_directory)); |
15a4c7e8 MW |
2738 | |
2739 | block_len = ret; | |
2740 | ||
2741 | block = kunit_kzalloc(test, block_len * sizeof(u32), GFP_KERNEL); | |
7aadf843 | 2742 | KUNIT_ASSERT_NOT_NULL(test, block); |
15a4c7e8 MW |
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) { | |
7aadf843 | 2760 | KUNIT_ASSERT_NOT_NULL(test, d2->uuid); |
15a4c7e8 MW |
2761 | KUNIT_ASSERT_TRUE(test, uuid_equal(d1->uuid, d2->uuid)); |
2762 | } else { | |
7aadf843 | 2763 | KUNIT_ASSERT_NULL(test, d2->uuid); |
15a4c7e8 MW |
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(d1, p1); | |
7aadf843 | 2782 | KUNIT_ASSERT_NOT_NULL(test, p1); |
15a4c7e8 | 2783 | p2 = tb_property_get_next(d2, p2); |
7aadf843 | 2784 | KUNIT_ASSERT_NOT_NULL(test, p2); |
15a4c7e8 MW |
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: | |
7aadf843 RR |
2792 | KUNIT_ASSERT_NOT_NULL(test, p1->value.dir); |
2793 | KUNIT_ASSERT_NOT_NULL(test, p2->value.dir); | |
15a4c7e8 MW |
2794 | compare_dirs(test, p1->value.dir, p2->value.dir); |
2795 | break; | |
2796 | ||
2797 | case TB_PROPERTY_TYPE_DATA: | |
7aadf843 RR |
2798 | KUNIT_ASSERT_NOT_NULL(test, p1->value.data); |
2799 | KUNIT_ASSERT_NOT_NULL(test, p2->value.data); | |
15a4c7e8 MW |
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: | |
7aadf843 RR |
2807 | KUNIT_ASSERT_NOT_NULL(test, p1->value.text); |
2808 | KUNIT_ASSERT_NOT_NULL(test, p2->value.text); | |
15a4c7e8 MW |
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(root_directory, ARRAY_SIZE(root_directory)); | |
7aadf843 | 2830 | KUNIT_ASSERT_NOT_NULL(test, src); |
15a4c7e8 MW |
2831 | |
2832 | dst = tb_property_copy_dir(src); | |
7aadf843 | 2833 | KUNIT_ASSERT_NOT_NULL(test, dst); |
15a4c7e8 MW |
2834 | |
2835 | /* Compare the structures */ | |
2836 | compare_dirs(test, src, dst); | |
2837 | ||
2838 | /* Compare the resulting property block */ | |
2839 | ret = tb_property_format_dir(dst, NULL, 0); | |
8f0877c2 | 2840 | KUNIT_ASSERT_EQ(test, ret, ARRAY_SIZE(root_directory)); |
15a4c7e8 MW |
2841 | |
2842 | block = kunit_kzalloc(test, sizeof(root_directory), GFP_KERNEL); | |
7aadf843 | 2843 | KUNIT_ASSERT_NOT_NULL(test, block); |
15a4c7e8 MW |
2844 | |
2845 | ret = tb_property_format_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(dst); | |
2852 | tb_property_free_dir(src); | |
2853 | } | |
2854 | ||
54509f50 MW |
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), | |
40c14d9f MW |
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), | |
481012b4 | 2875 | KUNIT_CASE(tb_test_tunnel_3dp), |
40c14d9f MW |
2876 | KUNIT_CASE(tb_test_tunnel_port_on_path), |
2877 | KUNIT_CASE(tb_test_tunnel_usb3), | |
5adab6cc MW |
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), | |
bfa8f78e MW |
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), | |
c7c99a09 | 2886 | KUNIT_CASE(tb_test_credit_alloc_without_dp), |
bfa8f78e MW |
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), | |
15a4c7e8 MW |
2892 | KUNIT_CASE(tb_test_property_parse), |
2893 | KUNIT_CASE(tb_test_property_format), | |
2894 | KUNIT_CASE(tb_test_property_copy), | |
54509f50 MW |
2895 | { } |
2896 | }; | |
2897 | ||
2898 | static struct kunit_suite tb_test_suite = { | |
2899 | .name = "thunderbolt", | |
2900 | .test_cases = tb_test_cases, | |
2901 | }; | |
2c6ea4e2 | 2902 | |
635dcd16 | 2903 | kunit_test_suite(tb_test_suite); |