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 19 static 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 42 static 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 49 static 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 */ 65 static 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 }; 192 193 int 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 IEEE80211_VHT_MCS_SUPPORT_0_9 << 8 | 271 IEEE80211_VHT_MCS_SUPPORT_0_9 << 10 | 272 IEEE80211_VHT_MCS_SUPPORT_0_9 << 12 | 273 IEEE80211_VHT_MCS_SUPPORT_0_9 << 14); 274 sband->vht_cap.vht_mcs.tx_mcs_map = 275 sband->vht_cap.vht_mcs.rx_mcs_map; 276 break; 277 default: 278 continue; 279 } 280 281 sband->ht_cap.ht_supported = band != NL80211_BAND_6GHZ; 282 sband->ht_cap.cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 | 283 IEEE80211_HT_CAP_GRN_FLD | 284 IEEE80211_HT_CAP_SGI_20 | 285 IEEE80211_HT_CAP_SGI_40 | 286 IEEE80211_HT_CAP_DSSSCCK40; 287 sband->ht_cap.ampdu_factor = 0x3; 288 sband->ht_cap.ampdu_density = 0x6; 289 memset(&sband->ht_cap.mcs, 0, sizeof(sband->ht_cap.mcs)); 290 sband->ht_cap.mcs.rx_mask[0] = 0xff; 291 sband->ht_cap.mcs.rx_mask[1] = 0xff; 292 sband->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; 293 } 294 295 ieee80211_set_sband_iftype_data(&t_sdata->band_5ghz, sband_capa_5ghz); 296 297 return 0; 298 } 299 300 void t_sdata_exit(struct kunit_resource *resource) 301 { 302 struct t_sdata *t_sdata = resource->data; 303 304 kfree(t_sdata->band_2ghz.channels); 305 kfree(t_sdata->band_2ghz.bitrates); 306 kfree(t_sdata->band_5ghz.channels); 307 kfree(t_sdata->band_5ghz.bitrates); 308 309 kfree(t_sdata->sdata); 310 kfree(t_sdata->wiphy); 311 312 kfree(t_sdata); 313 } 314