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