1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Utilities for mac80211 unit testing
4 *
5 * Copyright (C) 2024 Intel Corporation
6 */
7#include <linux/ieee80211.h>
8#include <net/mac80211.h>
9#include <kunit/test.h>
10#include <kunit/test-bug.h>
11#include "util.h"
12
13#define CHAN2G(_freq) { \
14 .band = NL80211_BAND_2GHZ, \
15 .center_freq = (_freq), \
16 .hw_value = (_freq), \
17}
18
19static const struct ieee80211_channel channels_2ghz[] = {
20 CHAN2G(2412), /* Channel 1 */
21 CHAN2G(2417), /* Channel 2 */
22 CHAN2G(2422), /* Channel 3 */
23 CHAN2G(2427), /* Channel 4 */
24 CHAN2G(2432), /* Channel 5 */
25 CHAN2G(2437), /* Channel 6 */
26 CHAN2G(2442), /* Channel 7 */
27 CHAN2G(2447), /* Channel 8 */
28 CHAN2G(2452), /* Channel 9 */
29 CHAN2G(2457), /* Channel 10 */
30 CHAN2G(2462), /* Channel 11 */
31 CHAN2G(2467), /* Channel 12 */
32 CHAN2G(2472), /* Channel 13 */
33 CHAN2G(2484), /* Channel 14 */
34};
35
36#define CHAN5G(_freq) { \
37 .band = NL80211_BAND_5GHZ, \
38 .center_freq = (_freq), \
39 .hw_value = (_freq), \
40}
41
42static const struct ieee80211_channel channels_5ghz[] = {
43 CHAN5G(5180), /* Channel 36 */
44 CHAN5G(5200), /* Channel 40 */
45 CHAN5G(5220), /* Channel 44 */
46 CHAN5G(5240), /* Channel 48 */
47};
48
49static const struct ieee80211_rate bitrates[] = {
50 { .bitrate = 10 },
51 { .bitrate = 20, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
52 { .bitrate = 55, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
53 { .bitrate = 110, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
54 { .bitrate = 60 },
55 { .bitrate = 90 },
56 { .bitrate = 120 },
57 { .bitrate = 180 },
58 { .bitrate = 240 },
59 { .bitrate = 360 },
60 { .bitrate = 480 },
61 { .bitrate = 540 }
62};
63
64/* Copied from hwsim except that it only supports 4 EHT streams and STA/P2P mode */
65static const struct ieee80211_sband_iftype_data sband_capa_5ghz[] = {
66 {
67 .types_mask = BIT(NL80211_IFTYPE_STATION) |
68 BIT(NL80211_IFTYPE_P2P_CLIENT),
69 .he_cap = {
70 .has_he = true,
71 .he_cap_elem = {
72 .mac_cap_info[0] =
73 IEEE80211_HE_MAC_CAP0_HTC_HE,
74 .mac_cap_info[1] =
75 IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US |
76 IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8,
77 .mac_cap_info[2] =
78 IEEE80211_HE_MAC_CAP2_BSR |
79 IEEE80211_HE_MAC_CAP2_MU_CASCADING |
80 IEEE80211_HE_MAC_CAP2_ACK_EN,
81 .mac_cap_info[3] =
82 IEEE80211_HE_MAC_CAP3_OMI_CONTROL |
83 IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3,
84 .mac_cap_info[4] = IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU,
85 .phy_cap_info[0] =
86 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G |
87 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G |
88 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G,
89 .phy_cap_info[1] =
90 IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK |
91 IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A |
92 IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD |
93 IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS,
94 .phy_cap_info[2] =
95 IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US |
96 IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ |
97 IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ |
98 IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO |
99 IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO,
100
101 /* Leave all the other PHY capability bytes
102 * unset, as DCM, beam forming, RU and PPE
103 * threshold information are not supported
104 */
105 },
106 .he_mcs_nss_supp = {
107 .rx_mcs_80 = cpu_to_le16(0xfffa),
108 .tx_mcs_80 = cpu_to_le16(0xfffa),
109 .rx_mcs_160 = cpu_to_le16(0xfffa),
110 .tx_mcs_160 = cpu_to_le16(0xfffa),
111 .rx_mcs_80p80 = cpu_to_le16(0xfffa),
112 .tx_mcs_80p80 = cpu_to_le16(0xfffa),
113 },
114 },
115 .eht_cap = {
116 .has_eht = true,
117 .eht_cap_elem = {
118 .mac_cap_info[0] =
119 IEEE80211_EHT_MAC_CAP0_EPCS_PRIO_ACCESS |
120 IEEE80211_EHT_MAC_CAP0_OM_CONTROL |
121 IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE1,
122 .phy_cap_info[0] =
123 IEEE80211_EHT_PHY_CAP0_242_TONE_RU_GT20MHZ |
124 IEEE80211_EHT_PHY_CAP0_NDP_4_EHT_LFT_32_GI |
125 IEEE80211_EHT_PHY_CAP0_PARTIAL_BW_UL_MU_MIMO |
126 IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER |
127 IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE |
128 IEEE80211_EHT_PHY_CAP0_BEAMFORMEE_SS_80MHZ_MASK,
129 .phy_cap_info[1] =
130 IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_80MHZ_MASK |
131 IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_160MHZ_MASK,
132 .phy_cap_info[2] =
133 IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_80MHZ_MASK |
134 IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_160MHZ_MASK,
135 .phy_cap_info[3] =
136 IEEE80211_EHT_PHY_CAP3_NG_16_SU_FEEDBACK |
137 IEEE80211_EHT_PHY_CAP3_NG_16_MU_FEEDBACK |
138 IEEE80211_EHT_PHY_CAP3_CODEBOOK_4_2_SU_FDBK |
139 IEEE80211_EHT_PHY_CAP3_CODEBOOK_7_5_MU_FDBK |
140 IEEE80211_EHT_PHY_CAP3_TRIG_SU_BF_FDBK |
141 IEEE80211_EHT_PHY_CAP3_TRIG_MU_BF_PART_BW_FDBK |
142 IEEE80211_EHT_PHY_CAP3_TRIG_CQI_FDBK,
143 .phy_cap_info[4] =
144 IEEE80211_EHT_PHY_CAP4_PART_BW_DL_MU_MIMO |
145 IEEE80211_EHT_PHY_CAP4_PSR_SR_SUPP |
146 IEEE80211_EHT_PHY_CAP4_POWER_BOOST_FACT_SUPP |
147 IEEE80211_EHT_PHY_CAP4_EHT_MU_PPDU_4_EHT_LTF_08_GI |
148 IEEE80211_EHT_PHY_CAP4_MAX_NC_MASK,
149 .phy_cap_info[5] =
150 IEEE80211_EHT_PHY_CAP5_NON_TRIG_CQI_FEEDBACK |
151 IEEE80211_EHT_PHY_CAP5_TX_LESS_242_TONE_RU_SUPP |
152 IEEE80211_EHT_PHY_CAP5_RX_LESS_242_TONE_RU_SUPP |
153 IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT |
154 IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK |
155 IEEE80211_EHT_PHY_CAP5_MAX_NUM_SUPP_EHT_LTF_MASK,
156 .phy_cap_info[6] =
157 IEEE80211_EHT_PHY_CAP6_MAX_NUM_SUPP_EHT_LTF_MASK |
158 IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_MASK,
159 .phy_cap_info[7] =
160 IEEE80211_EHT_PHY_CAP7_20MHZ_STA_RX_NDP_WIDER_BW |
161 IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ |
162 IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ |
163 IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ |
164 IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ,
165 },
166
167 /* For all MCS and bandwidth, set 4 NSS for both Tx and
168 * Rx
169 */
170 .eht_mcs_nss_supp = {
171 /*
172 * As B1 and B2 are set in the supported
173 * channel width set field in the HE PHY
174 * capabilities information field include all
175 * the following MCS/NSS.
176 */
177 .bw._80 = {
178 .rx_tx_mcs9_max_nss = 0x44,
179 .rx_tx_mcs11_max_nss = 0x44,
180 .rx_tx_mcs13_max_nss = 0x44,
181 },
182 .bw._160 = {
183 .rx_tx_mcs9_max_nss = 0x44,
184 .rx_tx_mcs11_max_nss = 0x44,
185 .rx_tx_mcs13_max_nss = 0x44,
186 },
187 },
188 /* PPE threshold information is not supported */
189 },
190 },
191};
192
193int t_sdata_init(struct kunit_resource *resource, void *ctx)
194{
195 struct kunit *test = kunit_get_current_test();
196 struct t_sdata *t_sdata;
197
198 t_sdata = kzalloc(sizeof(*t_sdata), GFP_KERNEL);
199 KUNIT_ASSERT_NOT_NULL(test, t_sdata);
200
201 resource->data = t_sdata;
202 resource->name = "sdata";
203
204 t_sdata->sdata = kzalloc(sizeof(*t_sdata->sdata), GFP_KERNEL);
205 KUNIT_ASSERT_NOT_NULL(test, t_sdata->sdata);
206
207 t_sdata->wiphy = kzalloc(sizeof(*t_sdata->wiphy), GFP_KERNEL);
208 KUNIT_ASSERT_NOT_NULL(test, t_sdata->wiphy);
209
210 strscpy(t_sdata->sdata->name, "kunit");
211
212 t_sdata->sdata->local = &t_sdata->local;
213 t_sdata->sdata->local->hw.wiphy = t_sdata->wiphy;
214 t_sdata->sdata->wdev.wiphy = t_sdata->wiphy;
215 t_sdata->sdata->vif.type = NL80211_IFTYPE_STATION;
216
217 t_sdata->sdata->deflink.sdata = t_sdata->sdata;
218 t_sdata->sdata->deflink.link_id = 0;
219
220 t_sdata->wiphy->bands[NL80211_BAND_2GHZ] = &t_sdata->band_2ghz;
221 t_sdata->wiphy->bands[NL80211_BAND_5GHZ] = &t_sdata->band_5ghz;
222
223 for (int band = NL80211_BAND_2GHZ; band <= NL80211_BAND_5GHZ; band++) {
224 struct ieee80211_supported_band *sband;
225
226 sband = t_sdata->wiphy->bands[band];
227 sband->band = band;
228
229 sband->bitrates =
230 kmemdup(bitrates, sizeof(bitrates), GFP_KERNEL);
231 sband->n_bitrates = ARRAY_SIZE(bitrates);
232
233 /* Initialize channels, feel free to add more channels/bands */
234 switch (band) {
235 case NL80211_BAND_2GHZ:
236 sband->channels = kmemdup(channels_2ghz,
237 sizeof(channels_2ghz),
238 GFP_KERNEL);
239 sband->n_channels = ARRAY_SIZE(channels_2ghz);
240 sband->bitrates = kmemdup(bitrates,
241 sizeof(bitrates),
242 GFP_KERNEL);
243 sband->n_bitrates = ARRAY_SIZE(bitrates);
244 break;
245 case NL80211_BAND_5GHZ:
246 sband->channels = kmemdup(channels_5ghz,
247 sizeof(channels_5ghz),
248 GFP_KERNEL);
249 sband->n_channels = ARRAY_SIZE(channels_5ghz);
250 sband->bitrates = kmemdup(bitrates,
251 sizeof(bitrates),
252 GFP_KERNEL);
253 sband->n_bitrates = ARRAY_SIZE(bitrates);
254
255 sband->vht_cap.vht_supported = true;
256 sband->vht_cap.cap =
257 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |
258 IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ |
259 IEEE80211_VHT_CAP_RXLDPC |
260 IEEE80211_VHT_CAP_SHORT_GI_80 |
261 IEEE80211_VHT_CAP_SHORT_GI_160 |
262 IEEE80211_VHT_CAP_TXSTBC |
263 IEEE80211_VHT_CAP_RXSTBC_4 |
264 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK;
265 sband->vht_cap.vht_mcs.rx_mcs_map =
266 cpu_to_le16(IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 |
267 IEEE80211_VHT_MCS_SUPPORT_0_9 << 2 |
268 IEEE80211_VHT_MCS_SUPPORT_0_9 << 4 |
269 IEEE80211_VHT_MCS_SUPPORT_0_9 << 6);
270 sband->vht_cap.vht_mcs.tx_mcs_map =
271 sband->vht_cap.vht_mcs.rx_mcs_map;
272 break;
273 default:
274 continue;
275 }
276
277 sband->ht_cap.ht_supported = band != NL80211_BAND_6GHZ;
278 sband->ht_cap.cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
279 IEEE80211_HT_CAP_GRN_FLD |
280 IEEE80211_HT_CAP_SGI_20 |
281 IEEE80211_HT_CAP_SGI_40 |
282 IEEE80211_HT_CAP_DSSSCCK40;
283 sband->ht_cap.ampdu_factor = 0x3;
284 sband->ht_cap.ampdu_density = 0x6;
285 memset(&sband->ht_cap.mcs, 0, sizeof(sband->ht_cap.mcs));
286 sband->ht_cap.mcs.rx_mask[0] = 0xff;
287 sband->ht_cap.mcs.rx_mask[1] = 0xff;
288 sband->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
289 }
290
291 ieee80211_set_sband_iftype_data(&t_sdata->band_5ghz, sband_capa_5ghz);
292
293 return 0;
294}
295
296void t_sdata_exit(struct kunit_resource *resource)
297{
298 struct t_sdata *t_sdata = resource->data;
299
300 kfree(objp: t_sdata->band_2ghz.channels);
301 kfree(objp: t_sdata->band_2ghz.bitrates);
302 kfree(objp: t_sdata->band_5ghz.channels);
303 kfree(objp: t_sdata->band_5ghz.bitrates);
304
305 kfree(objp: t_sdata->sdata);
306 kfree(objp: t_sdata->wiphy);
307
308 kfree(objp: t_sdata);
309}
310

source code of linux/net/mac80211/tests/util.c