linux/drivers/net/wireless/quantenna/qtnfmac/qlink_util.c
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   1// SPDX-License-Identifier: GPL-2.0+
   2/* Copyright (c) 2015-2016 Quantenna Communications. All rights reserved. */
   3
   4#include <linux/nl80211.h>
   5
   6#include "qlink_util.h"
   7
   8u16 qlink_iface_type_to_nl_mask(u16 qlink_type)
   9{
  10        u16 result = 0;
  11
  12        switch (qlink_type) {
  13        case QLINK_IFTYPE_AP:
  14                result |= BIT(NL80211_IFTYPE_AP);
  15                break;
  16        case QLINK_IFTYPE_STATION:
  17                result |= BIT(NL80211_IFTYPE_STATION);
  18                break;
  19        case QLINK_IFTYPE_ADHOC:
  20                result |= BIT(NL80211_IFTYPE_ADHOC);
  21                break;
  22        case QLINK_IFTYPE_MONITOR:
  23                result |= BIT(NL80211_IFTYPE_MONITOR);
  24                break;
  25        case QLINK_IFTYPE_WDS:
  26                result |= BIT(NL80211_IFTYPE_WDS);
  27                break;
  28        case QLINK_IFTYPE_AP_VLAN:
  29                result |= BIT(NL80211_IFTYPE_AP_VLAN);
  30                break;
  31        }
  32
  33        return result;
  34}
  35
  36u8 qlink_chan_width_mask_to_nl(u16 qlink_mask)
  37{
  38        u8 result = 0;
  39
  40        if (qlink_mask & BIT(QLINK_CHAN_WIDTH_5))
  41                result |= BIT(NL80211_CHAN_WIDTH_5);
  42
  43        if (qlink_mask & BIT(QLINK_CHAN_WIDTH_10))
  44                result |= BIT(NL80211_CHAN_WIDTH_10);
  45
  46        if (qlink_mask & BIT(QLINK_CHAN_WIDTH_20_NOHT))
  47                result |= BIT(NL80211_CHAN_WIDTH_20_NOHT);
  48
  49        if (qlink_mask & BIT(QLINK_CHAN_WIDTH_20))
  50                result |= BIT(NL80211_CHAN_WIDTH_20);
  51
  52        if (qlink_mask & BIT(QLINK_CHAN_WIDTH_40))
  53                result |= BIT(NL80211_CHAN_WIDTH_40);
  54
  55        if (qlink_mask & BIT(QLINK_CHAN_WIDTH_80))
  56                result |= BIT(NL80211_CHAN_WIDTH_80);
  57
  58        if (qlink_mask & BIT(QLINK_CHAN_WIDTH_80P80))
  59                result |= BIT(NL80211_CHAN_WIDTH_80P80);
  60
  61        if (qlink_mask & BIT(QLINK_CHAN_WIDTH_160))
  62                result |= BIT(NL80211_CHAN_WIDTH_160);
  63
  64        return result;
  65}
  66
  67static enum nl80211_chan_width qlink_chanwidth_to_nl(u8 qlw)
  68{
  69        switch (qlw) {
  70        case QLINK_CHAN_WIDTH_20_NOHT:
  71                return NL80211_CHAN_WIDTH_20_NOHT;
  72        case QLINK_CHAN_WIDTH_20:
  73                return NL80211_CHAN_WIDTH_20;
  74        case QLINK_CHAN_WIDTH_40:
  75                return NL80211_CHAN_WIDTH_40;
  76        case QLINK_CHAN_WIDTH_80:
  77                return NL80211_CHAN_WIDTH_80;
  78        case QLINK_CHAN_WIDTH_80P80:
  79                return NL80211_CHAN_WIDTH_80P80;
  80        case QLINK_CHAN_WIDTH_160:
  81                return NL80211_CHAN_WIDTH_160;
  82        case QLINK_CHAN_WIDTH_5:
  83                return NL80211_CHAN_WIDTH_5;
  84        case QLINK_CHAN_WIDTH_10:
  85                return NL80211_CHAN_WIDTH_10;
  86        default:
  87                return -1;
  88        }
  89}
  90
  91static u8 qlink_chanwidth_nl_to_qlink(enum nl80211_chan_width nlwidth)
  92{
  93        switch (nlwidth) {
  94        case NL80211_CHAN_WIDTH_20_NOHT:
  95                return QLINK_CHAN_WIDTH_20_NOHT;
  96        case NL80211_CHAN_WIDTH_20:
  97                return QLINK_CHAN_WIDTH_20;
  98        case NL80211_CHAN_WIDTH_40:
  99                return QLINK_CHAN_WIDTH_40;
 100        case NL80211_CHAN_WIDTH_80:
 101                return QLINK_CHAN_WIDTH_80;
 102        case NL80211_CHAN_WIDTH_80P80:
 103                return QLINK_CHAN_WIDTH_80P80;
 104        case NL80211_CHAN_WIDTH_160:
 105                return QLINK_CHAN_WIDTH_160;
 106        case NL80211_CHAN_WIDTH_5:
 107                return QLINK_CHAN_WIDTH_5;
 108        case NL80211_CHAN_WIDTH_10:
 109                return QLINK_CHAN_WIDTH_10;
 110        default:
 111                return -1;
 112        }
 113}
 114
 115void qlink_chandef_q2cfg(struct wiphy *wiphy,
 116                         const struct qlink_chandef *qch,
 117                         struct cfg80211_chan_def *chdef)
 118{
 119        struct ieee80211_channel *chan;
 120
 121        chan = ieee80211_get_channel(wiphy, le16_to_cpu(qch->chan.center_freq));
 122
 123        chdef->chan = chan;
 124        chdef->center_freq1 = le16_to_cpu(qch->center_freq1);
 125        chdef->center_freq2 = le16_to_cpu(qch->center_freq2);
 126        chdef->width = qlink_chanwidth_to_nl(qch->width);
 127        chdef->edmg.bw_config = 0;
 128        chdef->edmg.channels = 0;
 129}
 130
 131void qlink_chandef_cfg2q(const struct cfg80211_chan_def *chdef,
 132                         struct qlink_chandef *qch)
 133{
 134        struct ieee80211_channel *chan = chdef->chan;
 135
 136        qch->chan.hw_value = cpu_to_le16(chan->hw_value);
 137        qch->chan.center_freq = cpu_to_le16(chan->center_freq);
 138        qch->chan.flags = cpu_to_le32(chan->flags);
 139
 140        qch->center_freq1 = cpu_to_le16(chdef->center_freq1);
 141        qch->center_freq2 = cpu_to_le16(chdef->center_freq2);
 142        qch->width = qlink_chanwidth_nl_to_qlink(chdef->width);
 143}
 144
 145enum qlink_hidden_ssid qlink_hidden_ssid_nl2q(enum nl80211_hidden_ssid nl_val)
 146{
 147        switch (nl_val) {
 148        case NL80211_HIDDEN_SSID_ZERO_LEN:
 149                return QLINK_HIDDEN_SSID_ZERO_LEN;
 150        case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
 151                return QLINK_HIDDEN_SSID_ZERO_CONTENTS;
 152        case NL80211_HIDDEN_SSID_NOT_IN_USE:
 153        default:
 154                return QLINK_HIDDEN_SSID_NOT_IN_USE;
 155        }
 156}
 157
 158bool qtnf_utils_is_bit_set(const u8 *arr, unsigned int bit,
 159                           unsigned int arr_max_len)
 160{
 161        unsigned int idx = bit / BITS_PER_BYTE;
 162        u8 mask = 1 << (bit - (idx * BITS_PER_BYTE));
 163
 164        if (idx >= arr_max_len)
 165                return false;
 166
 167        return arr[idx] & mask;
 168}
 169
 170void qlink_acl_data_cfg2q(const struct cfg80211_acl_data *acl,
 171                          struct qlink_acl_data *qacl)
 172{
 173        switch (acl->acl_policy) {
 174        case NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED:
 175                qacl->policy =
 176                        cpu_to_le32(QLINK_ACL_POLICY_ACCEPT_UNLESS_LISTED);
 177                break;
 178        case NL80211_ACL_POLICY_DENY_UNLESS_LISTED:
 179                qacl->policy = cpu_to_le32(QLINK_ACL_POLICY_DENY_UNLESS_LISTED);
 180                break;
 181        }
 182
 183        qacl->num_entries = cpu_to_le32(acl->n_acl_entries);
 184        memcpy(qacl->mac_addrs, acl->mac_addrs,
 185               acl->n_acl_entries * sizeof(*qacl->mac_addrs));
 186}
 187
 188enum qlink_band qlink_utils_band_cfg2q(enum nl80211_band band)
 189{
 190        switch (band) {
 191        case NL80211_BAND_2GHZ:
 192                return QLINK_BAND_2GHZ;
 193        case NL80211_BAND_5GHZ:
 194                return QLINK_BAND_5GHZ;
 195        case NL80211_BAND_60GHZ:
 196                return QLINK_BAND_60GHZ;
 197        default:
 198                return -EINVAL;
 199        }
 200}
 201
 202enum qlink_dfs_state qlink_utils_dfs_state_cfg2q(enum nl80211_dfs_state state)
 203{
 204        switch (state) {
 205        case NL80211_DFS_USABLE:
 206                return QLINK_DFS_USABLE;
 207        case NL80211_DFS_AVAILABLE:
 208                return QLINK_DFS_AVAILABLE;
 209        case NL80211_DFS_UNAVAILABLE:
 210        default:
 211                return QLINK_DFS_UNAVAILABLE;
 212        }
 213}
 214
 215u32 qlink_utils_chflags_cfg2q(u32 cfgflags)
 216{
 217        u32 flags = 0;
 218
 219        if (cfgflags & IEEE80211_CHAN_DISABLED)
 220                flags |= QLINK_CHAN_DISABLED;
 221
 222        if (cfgflags & IEEE80211_CHAN_NO_IR)
 223                flags |= QLINK_CHAN_NO_IR;
 224
 225        if (cfgflags & IEEE80211_CHAN_RADAR)
 226                flags |= QLINK_CHAN_RADAR;
 227
 228        if (cfgflags & IEEE80211_CHAN_NO_HT40PLUS)
 229                flags |= QLINK_CHAN_NO_HT40PLUS;
 230
 231        if (cfgflags & IEEE80211_CHAN_NO_HT40MINUS)
 232                flags |= QLINK_CHAN_NO_HT40MINUS;
 233
 234        if (cfgflags & IEEE80211_CHAN_NO_80MHZ)
 235                flags |= QLINK_CHAN_NO_80MHZ;
 236
 237        if (cfgflags & IEEE80211_CHAN_NO_160MHZ)
 238                flags |= QLINK_CHAN_NO_160MHZ;
 239
 240        return flags;
 241}
 242
 243static u32 qtnf_reg_rule_flags_parse(u32 qflags)
 244{
 245        u32 flags = 0;
 246
 247        if (qflags & QLINK_RRF_NO_OFDM)
 248                flags |= NL80211_RRF_NO_OFDM;
 249
 250        if (qflags & QLINK_RRF_NO_CCK)
 251                flags |= NL80211_RRF_NO_CCK;
 252
 253        if (qflags & QLINK_RRF_NO_INDOOR)
 254                flags |= NL80211_RRF_NO_INDOOR;
 255
 256        if (qflags & QLINK_RRF_NO_OUTDOOR)
 257                flags |= NL80211_RRF_NO_OUTDOOR;
 258
 259        if (qflags & QLINK_RRF_DFS)
 260                flags |= NL80211_RRF_DFS;
 261
 262        if (qflags & QLINK_RRF_PTP_ONLY)
 263                flags |= NL80211_RRF_PTP_ONLY;
 264
 265        if (qflags & QLINK_RRF_PTMP_ONLY)
 266                flags |= NL80211_RRF_PTMP_ONLY;
 267
 268        if (qflags & QLINK_RRF_NO_IR)
 269                flags |= NL80211_RRF_NO_IR;
 270
 271        if (qflags & QLINK_RRF_AUTO_BW)
 272                flags |= NL80211_RRF_AUTO_BW;
 273
 274        if (qflags & QLINK_RRF_IR_CONCURRENT)
 275                flags |= NL80211_RRF_IR_CONCURRENT;
 276
 277        if (qflags & QLINK_RRF_NO_HT40MINUS)
 278                flags |= NL80211_RRF_NO_HT40MINUS;
 279
 280        if (qflags & QLINK_RRF_NO_HT40PLUS)
 281                flags |= NL80211_RRF_NO_HT40PLUS;
 282
 283        if (qflags & QLINK_RRF_NO_80MHZ)
 284                flags |= NL80211_RRF_NO_80MHZ;
 285
 286        if (qflags & QLINK_RRF_NO_160MHZ)
 287                flags |= NL80211_RRF_NO_160MHZ;
 288
 289        return flags;
 290}
 291
 292void qlink_utils_regrule_q2nl(struct ieee80211_reg_rule *rule,
 293                              const struct qlink_tlv_reg_rule *tlv)
 294{
 295        rule->freq_range.start_freq_khz = le32_to_cpu(tlv->start_freq_khz);
 296        rule->freq_range.end_freq_khz = le32_to_cpu(tlv->end_freq_khz);
 297        rule->freq_range.max_bandwidth_khz =
 298                le32_to_cpu(tlv->max_bandwidth_khz);
 299        rule->power_rule.max_antenna_gain = le32_to_cpu(tlv->max_antenna_gain);
 300        rule->power_rule.max_eirp = le32_to_cpu(tlv->max_eirp);
 301        rule->dfs_cac_ms = le32_to_cpu(tlv->dfs_cac_ms);
 302        rule->flags = qtnf_reg_rule_flags_parse(le32_to_cpu(tlv->flags));
 303}
 304