package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh

   1 #!/bin/sh
   2 . /lib/netifd/netifd-wireless.sh
   3 . /lib/netifd/hostapd.sh
   4 . /lib/functions/system.sh
   5
   6 init_wireless_driver "$@"
   7
   8 MP_CONFIG_INT="mesh_retry_timeout mesh_confirm_timeout mesh_holding_timeout mesh_max_peer_links
   9                mesh_max_retries mesh_ttl mesh_element_ttl mesh_hwmp_max_preq_retries
  10                mesh_path_refresh_time mesh_min_discovery_timeout mesh_hwmp_active_path_timeout
  11                mesh_hwmp_preq_min_interval mesh_hwmp_net_diameter_traversal_time mesh_hwmp_rootmode
  12                mesh_hwmp_rann_interval mesh_gate_announcements mesh_sync_offset_max_neighor
  13                mesh_rssi_threshold mesh_hwmp_active_path_to_root_timeout mesh_hwmp_root_interval
  14                mesh_hwmp_confirmation_interval mesh_awake_window mesh_plink_timeout"
  15 MP_CONFIG_BOOL="mesh_auto_open_plinks mesh_fwding"
  16 MP_CONFIG_STRING="mesh_power_mode"
  17
  18 wdev_tool() {
  19         ucode /usr/share/hostap/wdev.uc "$@"
  20 }
  21
  22 drv_mac80211_init_device_config() {
  23         hostapd_common_add_device_config
  24
  25         config_add_string path phy 'macaddr:macaddr'
  26         config_add_string tx_burst
  27         config_add_string distance
  28         config_add_int beacon_int chanbw frag rts
  29         config_add_int rxantenna txantenna txpower min_tx_power
  30         config_add_int num_global_macaddr multiple_bssid
  31         config_add_boolean noscan ht_coex acs_exclude_dfs background_radar
  32         config_add_array ht_capab
  33         config_add_array channels
  34         config_add_array scan_list
  35         config_add_boolean \
  36                 rxldpc \
  37                 short_gi_80 \
  38                 short_gi_160 \
  39                 tx_stbc_2by1 \
  40                 su_beamformer \
  41                 su_beamformee \
  42                 mu_beamformer \
  43                 mu_beamformee \
  44                 he_su_beamformer \
  45                 he_su_beamformee \
  46                 he_mu_beamformer \
  47                 vht_txop_ps \
  48                 htc_vht \
  49                 rx_antenna_pattern \
  50                 tx_antenna_pattern \
  51                 he_spr_sr_control \
  52                 he_spr_psr_enabled \
  53                 he_bss_color_enabled \
  54                 he_twt_required
  55         config_add_int \
  56                 beamformer_antennas \
  57                 beamformee_antennas \
  58                 vht_max_a_mpdu_len_exp \
  59                 vht_max_mpdu \
  60                 vht_link_adapt \
  61                 vht160 \
  62                 rx_stbc \
  63                 tx_stbc \
  64                 he_bss_color \
  65                 he_spr_non_srg_obss_pd_max_offset
  66         config_add_boolean \
  67                 ldpc \
  68                 greenfield \
  69                 short_gi_20 \
  70                 short_gi_40 \
  71                 max_amsdu \
  72                 dsss_cck_40
  73 }
  74
  75 drv_mac80211_init_iface_config() {
  76         hostapd_common_add_bss_config
  77
  78         config_add_string 'macaddr:macaddr' ifname
  79
  80         config_add_boolean wds powersave enable
  81         config_add_string wds_bridge
  82         config_add_int maxassoc
  83         config_add_int max_listen_int
  84         config_add_int dtim_period
  85         config_add_int start_disabled
  86
  87         # mesh
  88         config_add_string mesh_id
  89         config_add_int $MP_CONFIG_INT
  90         config_add_boolean $MP_CONFIG_BOOL
  91         config_add_string $MP_CONFIG_STRING
  92 }
  93
  94 mac80211_add_capabilities() {
  95         local __var="$1"; shift
  96         local __mask="$1"; shift
  97         local __out= oifs
  98
  99         oifs="$IFS"
 100         IFS=:
 101         for capab in "$@"; do
 102                 set -- $capab
 103
 104                 [ "$(($4))" -gt 0 ] || continue
 105                 [ "$(($__mask & $2))" -eq "$((${3:-$2}))" ] || continue
 106                 __out="$__out[$1]"
 107         done
 108         IFS="$oifs"
 109
 110         export -n -- "$__var=$__out"
 111 }
 112
 113 mac80211_add_he_capabilities() {
 114         local __out= oifs
 115
 116         oifs="$IFS"
 117         IFS=:
 118         for capab in "$@"; do
 119                 set -- $capab
 120                 [ "$(($4))" -gt 0 ] || continue
 121                 [ "$(((0x$2) & $3))" -gt 0 ] || {
 122                         eval "$1=0"
 123                         continue
 124                 }
 125                 append base_cfg "$1=1" "$N"
 126         done
 127         IFS="$oifs"
 128 }
 129
 130 mac80211_hostapd_setup_base() {
 131         local phy="$1"
 132
 133         json_select config
 134
 135         [ "$auto_channel" -gt 0 ] && channel=acs_survey
 136
 137         [ "$auto_channel" -gt 0 ] && json_get_vars acs_exclude_dfs
 138         [ -n "$acs_exclude_dfs" ] && [ "$acs_exclude_dfs" -gt 0 ] &&
 139                 append base_cfg "acs_exclude_dfs=1" "$N"
 140
 141         json_get_vars noscan ht_coex min_tx_power:0 tx_burst
 142         json_get_values ht_capab_list ht_capab
 143         json_get_values channel_list channels
 144
 145         [ "$auto_channel" = 0 ] && [ -z "$channel_list" ] && \
 146                 channel_list="$channel"
 147
 148         [ "$min_tx_power" -gt 0 ] && append base_cfg "min_tx_power=$min_tx_power"
 149
 150         set_default noscan 0
 151
 152         [ "$noscan" -gt 0 ] && hostapd_noscan=1
 153         [ "$tx_burst" = 0 ] && tx_burst=
 154
 155         chan_ofs=0
 156         [ "$band" = "6g" ] && chan_ofs=1
 157
 158         ieee80211n=1
 159         ht_capab=
 160         case "$htmode" in
 161                 VHT20|HT20|HE20) ;;
 162                 HT40*|VHT40|VHT80|VHT160|HE40|HE80|HE160)
 163                         case "$hwmode" in
 164                                 a)
 165                                         case "$(( (($channel / 4) + $chan_ofs) % 2 ))" in
 166                                                 1) ht_capab="[HT40+]";;
 167                                                 0) ht_capab="[HT40-]";;
 168                                         esac
 169                                 ;;
 170                                 *)
 171                                         case "$htmode" in
 172                                                 HT40+) ht_capab="[HT40+]";;
 173                                                 HT40-) ht_capab="[HT40-]";;
 174                                                 *)
 175                                                         if [ "$channel" -lt 7 ]; then
 176                                                                 ht_capab="[HT40+]"
 177                                                         else
 178                                                                 ht_capab="[HT40-]"
 179                                                         fi
 180                                                 ;;
 181                                         esac
 182                                 ;;
 183                         esac
 184                         [ "$auto_channel" -gt 0 ] && ht_capab="[HT40+]"
 185                 ;;
 186                 *) ieee80211n= ;;
 187         esac
 188
 189         [ -n "$ieee80211n" ] && {
 190                 append base_cfg "ieee80211n=1" "$N"
 191
 192                 set_default ht_coex 0
 193                 append base_cfg "ht_coex=$ht_coex" "$N"
 194
 195                 json_get_vars \
 196                         ldpc:1 \
 197                         greenfield:0 \
 198                         short_gi_20:1 \
 199                         short_gi_40:1 \
 200                         tx_stbc:1 \
 201                         rx_stbc:3 \
 202                         max_amsdu:1 \
 203                         dsss_cck_40:1
 204
 205                 ht_cap_mask=0
 206                 for cap in $(iw phy "$phy" info | grep 'Capabilities:' | cut -d: -f2); do
 207                         ht_cap_mask="$(($ht_cap_mask | $cap))"
 208                 done
 209
 210                 cap_rx_stbc=$((($ht_cap_mask >> 8) & 3))
 211                 [ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc="$rx_stbc"
 212                 ht_cap_mask="$(( ($ht_cap_mask & ~(0x300)) | ($cap_rx_stbc << 8) ))"
 213
 214                 mac80211_add_capabilities ht_capab_flags $ht_cap_mask \
 215                         LDPC:0x1::$ldpc \
 216                         GF:0x10::$greenfield \
 217                         SHORT-GI-20:0x20::$short_gi_20 \
 218                         SHORT-GI-40:0x40::$short_gi_40 \
 219                         TX-STBC:0x80::$tx_stbc \
 220                         RX-STBC1:0x300:0x100:1 \
 221                         RX-STBC12:0x300:0x200:1 \
 222                         RX-STBC123:0x300:0x300:1 \
 223                         MAX-AMSDU-7935:0x800::$max_amsdu \
 224                         DSSS_CCK-40:0x1000::$dsss_cck_40
 225
 226                 ht_capab="$ht_capab$ht_capab_flags"
 227                 [ -n "$ht_capab" ] && append base_cfg "ht_capab=$ht_capab" "$N"
 228         }
 229
 230         # 802.11ac
 231         enable_ac=0
 232         vht_oper_chwidth=0
 233         vht_center_seg0=
 234
 235         idx="$channel"
 236         case "$htmode" in
 237                 VHT20|HE20) enable_ac=1;;
 238                 VHT40|HE40)
 239                         case "$(( (($channel / 4) + $chan_ofs) % 2 ))" in
 240                                 1) idx=$(($channel + 2));;
 241                                 0) idx=$(($channel - 2));;
 242                         esac
 243                         enable_ac=1
 244                         vht_center_seg0=$idx
 245                 ;;
 246                 VHT80|HE80)
 247                         case "$(( (($channel / 4) + $chan_ofs) % 4 ))" in
 248                                 1) idx=$(($channel + 6));;
 249                                 2) idx=$(($channel + 2));;
 250                                 3) idx=$(($channel - 2));;
 251                                 0) idx=$(($channel - 6));;
 252                         esac
 253                         enable_ac=1
 254                         vht_oper_chwidth=1
 255                         vht_center_seg0=$idx
 256                 ;;
 257                 VHT160|HE160)
 258                         if [ "$band" = "6g" ]; then
 259                                 case "$channel" in
 260                                         1|5|9|13|17|21|25|29) idx=15;;
 261                                         33|37|41|45|49|53|57|61) idx=47;;
 262                                         65|69|73|77|81|85|89|93) idx=79;;
 263                                         97|101|105|109|113|117|121|125) idx=111;;
 264                                         129|133|137|141|145|149|153|157) idx=143;;
 265                                         161|165|169|173|177|181|185|189) idx=175;;
 266                                         193|197|201|205|209|213|217|221) idx=207;;
 267                                 esac
 268                         else
 269                                 case "$channel" in
 270                                         36|40|44|48|52|56|60|64) idx=50;;
 271                                         100|104|108|112|116|120|124|128) idx=114;;
 272                                 esac
 273                         fi
 274                         enable_ac=1
 275                         vht_oper_chwidth=2
 276                         vht_center_seg0=$idx
 277                 ;;
 278         esac
 279         [ "$band" = "5g" ] && {
 280                 json_get_vars background_radar:0
 281
 282                 [ "$background_radar" -eq 1 ] && append base_cfg "enable_background_radar=1" "$N"
 283         }
 284         [ "$band" = "6g" ] && {
 285                 op_class=
 286                 case "$htmode" in
 287                         HE20) op_class=131;;
 288                         HE*) op_class=$((132 + $vht_oper_chwidth))
 289                 esac
 290                 [ -n "$op_class" ] && append base_cfg "op_class=$op_class" "$N"
 291         }
 292         [ "$hwmode" = "a" ] || enable_ac=0
 293
 294         if [ "$enable_ac" != "0" ]; then
 295                 json_get_vars \
 296                         rxldpc:1 \
 297                         short_gi_80:1 \
 298                         short_gi_160:1 \
 299                         tx_stbc_2by1:1 \
 300                         su_beamformer:1 \
 301                         su_beamformee:1 \
 302                         mu_beamformer:1 \
 303                         mu_beamformee:1 \
 304                         vht_txop_ps:1 \
 305                         htc_vht:1 \
 306                         beamformee_antennas:4 \
 307                         beamformer_antennas:4 \
 308                         rx_antenna_pattern:1 \
 309                         tx_antenna_pattern:1 \
 310                         vht_max_a_mpdu_len_exp:7 \
 311                         vht_max_mpdu:11454 \
 312                         rx_stbc:4 \
 313                         vht_link_adapt:3 \
 314                         vht160:2
 315
 316                 set_default tx_burst 2.0
 317                 append base_cfg "ieee80211ac=1" "$N"
 318                 vht_cap=0
 319                 for cap in $(iw phy "$phy" info | awk -F "[()]" '/VHT Capabilities/ { print $2 }'); do
 320                         vht_cap="$(($vht_cap | $cap))"
 321                 done
 322
 323                 append base_cfg "vht_oper_chwidth=$vht_oper_chwidth" "$N"
 324                 append base_cfg "vht_oper_centr_freq_seg0_idx=$vht_center_seg0" "$N"
 325
 326                 cap_rx_stbc=$((($vht_cap >> 8) & 7))
 327                 [ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc="$rx_stbc"
 328                 vht_cap="$(( ($vht_cap & ~(0x700)) | ($cap_rx_stbc << 8) ))"
 329
 330                 mac80211_add_capabilities vht_capab $vht_cap \
 331                         RXLDPC:0x10::$rxldpc \
 332                         SHORT-GI-80:0x20::$short_gi_80 \
 333                         SHORT-GI-160:0x40::$short_gi_160 \
 334                         TX-STBC-2BY1:0x80::$tx_stbc_2by1 \
 335                         SU-BEAMFORMER:0x800::$su_beamformer \
 336                         SU-BEAMFORMEE:0x1000::$su_beamformee \
 337                         MU-BEAMFORMER:0x80000::$mu_beamformer \
 338                         MU-BEAMFORMEE:0x100000::$mu_beamformee \
 339                         VHT-TXOP-PS:0x200000::$vht_txop_ps \
 340                         HTC-VHT:0x400000::$htc_vht \
 341                         RX-ANTENNA-PATTERN:0x10000000::$rx_antenna_pattern \
 342                         TX-ANTENNA-PATTERN:0x20000000::$tx_antenna_pattern \
 343                         RX-STBC-1:0x700:0x100:1 \
 344                         RX-STBC-12:0x700:0x200:1 \
 345                         RX-STBC-123:0x700:0x300:1 \
 346                         RX-STBC-1234:0x700:0x400:1 \
 347
 348                 [ "$(($vht_cap & 0x800))" -gt 0 -a "$su_beamformer" -gt 0 ] && {
 349                         cap_ant="$(( ( ($vht_cap >> 16) & 3 ) + 1 ))"
 350                         [ "$cap_ant" -gt "$beamformer_antennas" ] && cap_ant="$beamformer_antennas"
 351                         [ "$cap_ant" -gt 1 ] && vht_capab="$vht_capab[SOUNDING-DIMENSION-$cap_ant]"
 352                 }
 353
 354                 [ "$(($vht_cap & 0x1000))" -gt 0 -a "$su_beamformee" -gt 0 ] && {
 355                         cap_ant="$(( ( ($vht_cap >> 13) & 3 ) + 1 ))"
 356                         [ "$cap_ant" -gt "$beamformee_antennas" ] && cap_ant="$beamformee_antennas"
 357                         [ "$cap_ant" -gt 1 ] && vht_capab="$vht_capab[BF-ANTENNA-$cap_ant]"
 358                 }
 359
 360                 # supported Channel widths
 361                 vht160_hw=0
 362                 [ "$(($vht_cap & 12))" -eq 4 -a 1 -le "$vht160" ] && \
 363                         vht160_hw=1
 364                 [ "$(($vht_cap & 12))" -eq 8 -a 2 -le "$vht160" ] && \
 365                         vht160_hw=2
 366                 [ "$vht160_hw" = 1 ] && vht_capab="$vht_capab[VHT160]"
 367                 [ "$vht160_hw" = 2 ] && vht_capab="$vht_capab[VHT160-80PLUS80]"
 368
 369                 # maximum MPDU length
 370                 vht_max_mpdu_hw=3895
 371                 [ "$(($vht_cap & 3))" -ge 1 -a 7991 -le "$vht_max_mpdu" ] && \
 372                         vht_max_mpdu_hw=7991
 373                 [ "$(($vht_cap & 3))" -ge 2 -a 11454 -le "$vht_max_mpdu" ] && \
 374                         vht_max_mpdu_hw=11454
 375                 [ "$vht_max_mpdu_hw" != 3895 ] && \
 376                         vht_capab="$vht_capab[MAX-MPDU-$vht_max_mpdu_hw]"
 377
 378                 # maximum A-MPDU length exponent
 379                 vht_max_a_mpdu_len_exp_hw=0
 380                 [ "$(($vht_cap & 58720256))" -ge 8388608 -a 1 -le "$vht_max_a_mpdu_len_exp" ] && \
 381                         vht_max_a_mpdu_len_exp_hw=1
 382                 [ "$(($vht_cap & 58720256))" -ge 16777216 -a 2 -le "$vht_max_a_mpdu_len_exp" ] && \
 383                         vht_max_a_mpdu_len_exp_hw=2
 384                 [ "$(($vht_cap & 58720256))" -ge 25165824 -a 3 -le "$vht_max_a_mpdu_len_exp" ] && \
 385                         vht_max_a_mpdu_len_exp_hw=3
 386                 [ "$(($vht_cap & 58720256))" -ge 33554432 -a 4 -le "$vht_max_a_mpdu_len_exp" ] && \
 387                         vht_max_a_mpdu_len_exp_hw=4
 388                 [ "$(($vht_cap & 58720256))" -ge 41943040 -a 5 -le "$vht_max_a_mpdu_len_exp" ] && \
 389                         vht_max_a_mpdu_len_exp_hw=5
 390                 [ "$(($vht_cap & 58720256))" -ge 50331648 -a 6 -le "$vht_max_a_mpdu_len_exp" ] && \
 391                         vht_max_a_mpdu_len_exp_hw=6
 392                 [ "$(($vht_cap & 58720256))" -ge 58720256 -a 7 -le "$vht_max_a_mpdu_len_exp" ] && \
 393                         vht_max_a_mpdu_len_exp_hw=7
 394                 vht_capab="$vht_capab[MAX-A-MPDU-LEN-EXP$vht_max_a_mpdu_len_exp_hw]"
 395
 396                 # whether or not the STA supports link adaptation using VHT variant
 397                 vht_link_adapt_hw=0
 398                 [ "$(($vht_cap & 201326592))" -ge 134217728 -a 2 -le "$vht_link_adapt" ] && \
 399                         vht_link_adapt_hw=2
 400                 [ "$(($vht_cap & 201326592))" -ge 201326592 -a 3 -le "$vht_link_adapt" ] && \
 401                         vht_link_adapt_hw=3
 402                 [ "$vht_link_adapt_hw" != 0 ] && \
 403                         vht_capab="$vht_capab[VHT-LINK-ADAPT-$vht_link_adapt_hw]"
 404
 405                 [ -n "$vht_capab" ] && append base_cfg "vht_capab=$vht_capab" "$N"
 406         fi
 407
 408         # 802.11ax
 409         enable_ax=0
 410         case "$htmode" in
 411                 HE*) enable_ax=1 ;;
 412         esac
 413
 414         if [ "$enable_ax" != "0" ]; then
 415                 json_get_vars \
 416                         he_su_beamformer:1 \
 417                         he_su_beamformee:1 \
 418                         he_mu_beamformer:1 \
 419                         he_twt_required:0 \
 420                         he_spr_sr_control:3 \
 421                         he_spr_psr_enabled:0 \
 422                         he_spr_non_srg_obss_pd_max_offset:0 \
 423                         he_bss_color:128 \
 424                         he_bss_color_enabled:1
 425
 426                 he_phy_cap=$(iw phy "$phy" info | sed -n '/HE Iftypes: AP/,$p' | awk -F "[()]" '/HE PHY Capabilities/ { print $2 }' | head -1)
 427                 he_phy_cap=${he_phy_cap:2}
 428                 he_mac_cap=$(iw phy "$phy" info | sed -n '/HE Iftypes: AP/,$p' | awk -F "[()]" '/HE MAC Capabilities/ { print $2 }' | head -1)
 429                 he_mac_cap=${he_mac_cap:2}
 430
 431                 append base_cfg "ieee80211ax=1" "$N"
 432                 [ "$hwmode" = "a" ] && {
 433                         append base_cfg "he_oper_chwidth=$vht_oper_chwidth" "$N"
 434                         append base_cfg "he_oper_centr_freq_seg0_idx=$vht_center_seg0" "$N"
 435                 }
 436
 437                 mac80211_add_he_capabilities \
 438                         he_su_beamformer:${he_phy_cap:6:2}:0x80:$he_su_beamformer \
 439                         he_su_beamformee:${he_phy_cap:8:2}:0x1:$he_su_beamformee \
 440                         he_mu_beamformer:${he_phy_cap:8:2}:0x2:$he_mu_beamformer \
 441                         he_spr_psr_enabled:${he_phy_cap:14:2}:0x1:$he_spr_psr_enabled \
 442                         he_twt_required:${he_mac_cap:0:2}:0x6:$he_twt_required
 443
 444                 if [ "$he_bss_color_enabled" -gt 0 ]; then
 445                         append base_cfg "he_bss_color=$he_bss_color" "$N"
 446                         [ "$he_spr_non_srg_obss_pd_max_offset" -gt 0 ] && { \
 447                                 append base_cfg "he_spr_non_srg_obss_pd_max_offset=$he_spr_non_srg_obss_pd_max_offset" "$N"
 448                                 he_spr_sr_control=$((he_spr_sr_control | (1 << 2)))
 449                         }
 450                         [ "$he_spr_psr_enabled" -gt 0 ] || he_spr_sr_control=$((he_spr_sr_control | (1 << 0)))
 451                         append base_cfg "he_spr_sr_control=$he_spr_sr_control" "$N"
 452                 else
 453                         append base_cfg "he_bss_color_disabled=1" "$N"
 454                 fi
 455
 456
 457                 append base_cfg "he_default_pe_duration=4" "$N"
 458                 append base_cfg "he_rts_threshold=1023" "$N"
 459                 append base_cfg "he_mu_edca_qos_info_param_count=0" "$N"
 460                 append base_cfg "he_mu_edca_qos_info_q_ack=0" "$N"
 461                 append base_cfg "he_mu_edca_qos_info_queue_request=0" "$N"
 462                 append base_cfg "he_mu_edca_qos_info_txop_request=0" "$N"
 463                 append base_cfg "he_mu_edca_ac_be_aifsn=8" "$N"
 464                 append base_cfg "he_mu_edca_ac_be_aci=0" "$N"
 465                 append base_cfg "he_mu_edca_ac_be_ecwmin=9" "$N"
 466                 append base_cfg "he_mu_edca_ac_be_ecwmax=10" "$N"
 467                 append base_cfg "he_mu_edca_ac_be_timer=255" "$N"
 468                 append base_cfg "he_mu_edca_ac_bk_aifsn=15" "$N"
 469                 append base_cfg "he_mu_edca_ac_bk_aci=1" "$N"
 470                 append base_cfg "he_mu_edca_ac_bk_ecwmin=9" "$N"
 471                 append base_cfg "he_mu_edca_ac_bk_ecwmax=10" "$N"
 472                 append base_cfg "he_mu_edca_ac_bk_timer=255" "$N"
 473                 append base_cfg "he_mu_edca_ac_vi_ecwmin=5" "$N"
 474                 append base_cfg "he_mu_edca_ac_vi_ecwmax=7" "$N"
 475                 append base_cfg "he_mu_edca_ac_vi_aifsn=5" "$N"
 476                 append base_cfg "he_mu_edca_ac_vi_aci=2" "$N"
 477                 append base_cfg "he_mu_edca_ac_vi_timer=255" "$N"
 478                 append base_cfg "he_mu_edca_ac_vo_aifsn=5" "$N"
 479                 append base_cfg "he_mu_edca_ac_vo_aci=3" "$N"
 480                 append base_cfg "he_mu_edca_ac_vo_ecwmin=5" "$N"
 481                 append base_cfg "he_mu_edca_ac_vo_ecwmax=7" "$N"
 482                 append base_cfg "he_mu_edca_ac_vo_timer=255" "$N"
 483         fi
 484
 485         hostapd_prepare_device_config "$hostapd_conf_file" nl80211
 486         cat >> "$hostapd_conf_file" <<EOF
 487 ${channel:+channel=$channel}
 488 ${channel_list:+chanlist=$channel_list}
 489 ${hostapd_noscan:+noscan=1}
 490 ${tx_burst:+tx_queue_data2_burst=$tx_burst}
 491 mbssid=$multiple_bssid
 492 $base_cfg
 493
 494 EOF
 495         json_select ..
 496 }
 497
 498 mac80211_hostapd_setup_bss() {
 499         local phy="$1"
 500         local ifname="$2"
 501         local macaddr="$3"
 502         local type="$4"
 503
 504         hostapd_cfg=
 505         append hostapd_cfg "$type=$ifname" "$N"
 506
 507         hostapd_set_bss_options hostapd_cfg "$phy" "$vif" || return 1
 508         json_get_vars wds wds_bridge dtim_period max_listen_int start_disabled
 509
 510         set_default wds 0
 511         set_default start_disabled 0
 512
 513         [ "$wds" -gt 0 ] && {
 514                 append hostapd_cfg "wds_sta=1" "$N"
 515                 [ -n "$wds_bridge" ] && append hostapd_cfg "wds_bridge=$wds_bridge" "$N"
 516         }
 517         [ "$staidx" -gt 0 -o "$start_disabled" -eq 1 ] && append hostapd_cfg "start_disabled=1" "$N"
 518
 519         cat >> /var/run/hostapd-$phy.conf <<EOF
 520 $hostapd_cfg
 521 bssid=$macaddr
 522 ${dtim_period:+dtim_period=$dtim_period}
 523 ${max_listen_int:+max_listen_interval=$max_listen_int}
 524 EOF
 525 }
 526
 527 mac80211_get_addr() {
 528         local phy="$1"
 529         local idx="$(($2 + 1))"
 530
 531         head -n $idx /sys/class/ieee80211/${phy}/addresses | tail -n1
 532 }
 533
 534 mac80211_generate_mac() {
 535         local phy="$1"
 536         local id="${macidx:-0}"
 537
 538         wdev_tool "$phy" get_macaddr id=$id num_global=$num_global_macaddr mbssid=$multiple_bssid
 539 }
 540
 541 get_board_phy_name() (
 542         local path="$1"
 543         local fallback_phy=""
 544
 545         __check_phy() {
 546                 local val="$1"
 547                 local key="$2"
 548                 local ref_path="$3"
 549
 550                 json_select "$key"
 551                 json_get_values path
 552                 json_select ..
 553
 554                 [ "${ref_path%+*}" = "$path" ] && fallback_phy=$key
 555                 [ "$ref_path" = "$path" ] || return 0
 556
 557                 echo "$key"
 558                 exit
 559         }
 560
 561         json_load_file /etc/board.json
 562         json_for_each_item __check_phy wlan "$path"
 563         [ -n "$fallback_phy" ] && echo "${fallback_phy}.${path##*+}"
 564 )
 565
 566 rename_board_phy_by_path() {
 567         local path="$1"
 568
 569         local new_phy="$(get_board_phy_name "$path")"
 570         [ -z "$new_phy" -o "$new_phy" = "$phy" ] && return
 571
 572         iw "$phy" set name "$new_phy" && phy="$new_phy"
 573 }
 574
 575 rename_board_phy_by_name() (
 576         local phy="$1"
 577         local suffix="${phy##*.}"
 578         [ "$suffix" = "$phy" ] && suffix=
 579
 580         json_load_file /etc/board.json
 581         json_select wlan
 582         json_select "${phy%.*}" || return 0
 583         json_get_values path
 584
 585         prev_phy="$(iwinfo nl80211 phyname "path=$path${suffix:++$suffix}")"
 586         [ -n "$prev_phy" ] || return 0
 587
 588         [ "$prev_phy" = "$phy" ] && return 0
 589
 590         iw "$prev_phy" set name "$phy"
 591 )
 592
 593 find_phy() {
 594         [ -n "$phy" ] && {
 595                 rename_board_phy_by_name "$phy"
 596                 [ -d /sys/class/ieee80211/$phy ] && return 0
 597         }
 598         [ -n "$path" ] && {
 599                 phy="$(iwinfo nl80211 phyname "path=$path")"
 600                 [ -n "$phy" ] && {
 601                         rename_board_phy_by_path "$path"
 602                         return 0
 603                 }
 604         }
 605         [ -n "$macaddr" ] && {
 606                 for phy in $(ls /sys/class/ieee80211 2>/dev/null); do
 607                         grep -i -q "$macaddr" "/sys/class/ieee80211/${phy}/macaddress" && {
 608                                 path="$(iwinfo nl80211 path "$phy")"
 609                                 rename_board_phy_by_path "$path"
 610                                 return 0
 611                         }
 612                 done
 613         }
 614         return 1
 615 }
 616
 617 mac80211_check_ap() {
 618         has_ap=1
 619 }
 620
 621 mac80211_set_ifname() {
 622         local phy="$1"
 623         local prefix="$2"
 624         eval "ifname=\"$phy-$prefix\${idx_$prefix:-0}\"; idx_$prefix=\$((\${idx_$prefix:-0 } + 1))"
 625 }
 626
 627 mac80211_prepare_vif() {
 628         json_select config
 629
 630         json_get_vars ifname mode ssid wds powersave macaddr enable wpa_psk_file vlan_file
 631
 632         [ -n "$ifname" ] || {
 633                 local prefix;
 634
 635                 case "$mode" in
 636                 ap|sta|mesh) prefix=$mode;;
 637                 adhoc) prefix=ibss;;
 638                 monitor) prefix=mon;;
 639                 esac
 640
 641                 mac80211_set_ifname "$phy" "$prefix"
 642         }
 643
 644         append active_ifnames "$ifname"
 645         set_default wds 0
 646         set_default powersave 0
 647         json_add_string _ifname "$ifname"
 648
 649         if [ -z "$macaddr" ]; then
 650                 macaddr="$(mac80211_generate_mac $phy)"
 651                 macidx="$(($macidx + 1))"
 652         elif [ "$macaddr" = 'random' ]; then
 653                 macaddr="$(macaddr_random)"
 654         fi
 655         json_add_string _macaddr "$macaddr"
 656         json_select ..
 657
 658
 659         [ "$mode" == "ap" ] && {
 660                 [ -z "$wpa_psk_file" ] && hostapd_set_psk "$ifname"
 661                 [ -z "$vlan_file" ] && hostapd_set_vlan "$ifname"
 662         }
 663
 664         json_select config
 665
 666         # It is far easier to delete and create the desired interface
 667         case "$mode" in
 668                 ap)
 669                         # Hostapd will handle recreating the interface and
 670                         # subsequent virtual APs belonging to the same PHY
 671                         if [ -n "$hostapd_ctrl" ]; then
 672                                 type=bss
 673                         else
 674                                 type=interface
 675                         fi
 676
 677                         mac80211_hostapd_setup_bss "$phy" "$ifname" "$macaddr" "$type" || return
 678
 679                         [ -n "$hostapd_ctrl" ] || {
 680                                 ap_ifname="${ifname}"
 681                                 hostapd_ctrl="${hostapd_ctrl:-/var/run/hostapd/$ifname}"
 682                         }
 683                 ;;
 684         esac
 685
 686         json_select ..
 687 }
 688
 689 mac80211_prepare_iw_htmode() {
 690         case "$htmode" in
 691                 VHT20|HT20|HE20) iw_htmode=HT20;;
 692                 HT40*|VHT40|VHT160|HE40)
 693                         case "$band" in
 694                                 2g)
 695                                         case "$htmode" in
 696                                                 HT40+) iw_htmode="HT40+";;
 697                                                 HT40-) iw_htmode="HT40-";;
 698                                                 *)
 699                                                         if [ "$channel" -lt 7 ]; then
 700                                                                 iw_htmode="HT40+"
 701                                                         else
 702                                                                 iw_htmode="HT40-"
 703                                                         fi
 704                                                 ;;
 705                                         esac
 706                                 ;;
 707                                 *)
 708                                         case "$(( ($channel / 4) % 2 ))" in
 709                                                 1) iw_htmode="HT40+" ;;
 710                                                 0) iw_htmode="HT40-";;
 711                                         esac
 712                                 ;;
 713                         esac
 714                         [ "$auto_channel" -gt 0 ] && iw_htmode="HT40+"
 715                 ;;
 716                 VHT80|HE80)
 717                         iw_htmode="80MHZ"
 718                 ;;
 719                 NONE|NOHT)
 720                         iw_htmode="NOHT"
 721                 ;;
 722                 *) iw_htmode="" ;;
 723         esac
 724 }
 725
 726 mac80211_add_mesh_params() {
 727         for var in $MP_CONFIG_INT $MP_CONFIG_BOOL $MP_CONFIG_STRING; do
 728                 eval "mp_val=\"\$$var\""
 729                 [ -n "$mp_val" ] && json_add_string "$var" "$mp_val"
 730         done
 731 }
 732
 733 mac80211_setup_adhoc() {
 734         local enable=$1
 735         json_get_vars bssid ssid key mcast_rate
 736
 737         NEWUMLIST="${NEWUMLIST}$ifname "
 738
 739         [ "$enable" = 0 ] && {
 740                 ip link set dev "$ifname" down
 741                 return 0
 742         }
 743
 744         keyspec=
 745         [ "$auth_type" = "wep" ] && {
 746                 set_default key 1
 747                 case "$key" in
 748                         [1234])
 749                                 local idx
 750                                 for idx in 1 2 3 4; do
 751                                         json_get_var ikey "key$idx"
 752
 753                                         [ -n "$ikey" ] && {
 754                                                 ikey="$(($idx - 1)):$(prepare_key_wep "$ikey")"
 755                                                 [ $idx -eq $key ] && ikey="d:$ikey"
 756                                                 append keyspec "$ikey"
 757                                         }
 758                                 done
 759                         ;;
 760                         *)
 761                                 append keyspec "d:0:$(prepare_key_wep "$key")"
 762                         ;;
 763                 esac
 764         }
 765
 766         brstr=
 767         for br in $basic_rate_list; do
 768                 wpa_supplicant_add_rate brstr "$br"
 769         done
 770
 771         mcval=
 772         [ -n "$mcast_rate" ] && wpa_supplicant_add_rate mcval "$mcast_rate"
 773
 774         local prev
 775         json_set_namespace wdev_uc prev
 776
 777         json_add_object "$ifname"
 778         json_add_string mode adhoc
 779         json_add_string macaddr "$macaddr"
 780         json_add_string ssid "$ssid"
 781         json_add_string freq "$freq"
 782         json_add_string htmode "$iw_htmode"
 783         [ -n "$bssid" ] && json_add_string bssid "$bssid"
 784         json_add_int beacon-interval "$beacon_int"
 785         [ -n "$brstr" ] && json_add_string basic-rates "$brstr"
 786         [ -n "$mcval" ] && json_add_string mcast-rate "$mcval"
 787         [ -n "$keyspec" ] && json_add_string keys "$keyspec"
 788         json_close_object
 789
 790         json_set_namespace "$prev"
 791 }
 792
 793 mac80211_setup_mesh() {
 794         json_get_vars ssid mesh_id mcast_rate
 795
 796         mcval=
 797         [ -n "$mcast_rate" ] && wpa_supplicant_add_rate mcval "$mcast_rate"
 798         [ -n "$mesh_id" ] && ssid="$mesh_id"
 799
 800         local prev
 801         json_set_namespace wdev_uc prev
 802
 803         json_add_object "$ifname"
 804         json_add_string mode mesh
 805         json_add_string macaddr "$macaddr"
 806         json_add_string ssid "$ssid"
 807         json_add_string freq "$freq"
 808         json_add_string htmode "$iw_htmode"
 809         [ -n "$mcval" ] && json_add_string mcast-rate "$mcval"
 810         json_add_int beacon-interval "$beacon_int"
 811         mac80211_add_mesh_params
 812
 813         json_close_object
 814
 815         json_set_namespace "$prev"
 816 }
 817
 818 mac80211_setup_monitor() {
 819         local prev
 820         json_set_namespace wdev_uc prev
 821
 822         json_add_object "$ifname"
 823         json_add_string mode monitor
 824         [ -n "$freq" ] && json_add_string freq "$freq"
 825         json_add_string htmode "$iw_htmode"
 826         json_close_object
 827
 828         json_set_namespace "$prev"
 829 }
 830
 831 mac80211_set_vif_txpower() {
 832         local name="$1"
 833
 834         json_select config
 835         json_get_var ifname _ifname
 836         json_get_vars vif_txpower
 837         json_select ..
 838
 839         [ -z "$vif_txpower" ] || iw dev "$ifname" set txpower fixed "${vif_txpower%%.*}00"
 840 }
 841
 842 wpa_supplicant_init_config() {
 843         json_set_namespace wpa_supp prev
 844
 845         json_init
 846         json_add_array config
 847
 848         json_set_namespace "$prev"
 849 }
 850
 851 wpa_supplicant_add_interface() {
 852         local ifname="$1"
 853         local mode="$2"
 854         local prev
 855
 856         _wpa_supplicant_common "$ifname"
 857
 858         json_set_namespace wpa_supp prev
 859
 860         json_add_object
 861         json_add_string ctrl "$_rpath"
 862         json_add_string iface "$ifname"
 863         json_add_string mode "$mode"
 864         json_add_string config "$_config"
 865         json_add_string macaddr "$macaddr"
 866         [ -n "$network_bridge" ] && json_add_string bridge "$network_bridge"
 867         [ -n "$wds" ] && json_add_boolean 4addr "$wds"
 868         json_add_boolean powersave "$powersave"
 869         [ "$mode" = "mesh" ] && mac80211_add_mesh_params
 870         json_close_object
 871
 872         json_set_namespace "$prev"
 873
 874         wpa_supp_init=1
 875 }
 876
 877 wpa_supplicant_set_config() {
 878         local phy="$1"
 879         local prev
 880
 881         json_set_namespace wpa_supp prev
 882         json_close_array
 883         json_add_string phy "$phy"
 884         json_add_boolean defer 1
 885         local data="$(json_dump)"
 886
 887         json_cleanup
 888         json_set_namespace "$prev"
 889
 890         ubus -S -t 0 wait_for wpa_supplicant || {
 891                 [ -n "$wpa_supp_init" ] || return 0
 892
 893                 ubus wait_for wpa_supplicant
 894         }
 895
 896         local supplicant_res="$(ubus call wpa_supplicant config_set "$data")"
 897         ret="$?"
 898         [ "$ret" != 0 -o -z "$supplicant_res" ] && wireless_setup_vif_failed WPA_SUPPLICANT_FAILED
 899
 900         wireless_add_process "$(jsonfilter -s "$supplicant_res" -l 1 -e @.pid)" "/usr/sbin/wpa_supplicant" 1 1
 901
 902 }
 903
 904 hostapd_set_config() {
 905         [ -n "$hostapd_ctrl" ] || {
 906                 ubus call hostapd config_set '{ "phy": "'"$phy"'", "config": "", "prev_config": "'"${hostapd_conf_file}.prev"'" }' > /dev/null
 907                 return 0;
 908         }
 909
 910         ubus wait_for hostapd
 911         local hostapd_res="$(ubus call hostapd config_set "{ \"phy\": \"$phy\", \"config\":\"${hostapd_conf_file}\", \"prev_config\": \"${hostapd_conf_file}.prev\"}")"
 912         ret="$?"
 913         [ "$ret" != 0 -o -z "$hostapd_res" ] && {
 914                 wireless_setup_failed HOSTAPD_START_FAILED
 915                 return
 916         }
 917         wireless_add_process "$(jsonfilter -s "$hostapd_res" -l 1 -e @.pid)" "/usr/sbin/hostapd" 1 1
 918 }
 919
 920
 921 wpa_supplicant_start() {
 922         local phy="$1"
 923
 924         [ -n "$wpa_supp_init" ] || return 0
 925
 926         ubus call wpa_supplicant config_set '{ "phy": "'"$phy"'" }' > /dev/null
 927 }
 928
 929 mac80211_setup_supplicant() {
 930         local enable=$1
 931         local add_sp=0
 932
 933         wpa_supplicant_prepare_interface "$ifname" nl80211 || return 1
 934
 935         if [ "$mode" = "sta" ]; then
 936                 wpa_supplicant_add_network "$ifname"
 937         else
 938                 wpa_supplicant_add_network "$ifname" "$freq" "$htmode" "$noscan"
 939         fi
 940
 941         wpa_supplicant_add_interface "$ifname" "$mode"
 942
 943         return 0
 944 }
 945
 946 mac80211_setup_vif() {
 947         local name="$1"
 948         local failed
 949
 950         json_select config
 951         json_get_var ifname _ifname
 952         json_get_var macaddr _macaddr
 953         json_get_vars mode wds powersave
 954
 955         set_default powersave 0
 956         set_default wds 0
 957
 958         case "$mode" in
 959                 mesh)
 960                         json_get_vars $MP_CONFIG_INT $MP_CONFIG_BOOL $MP_CONFIG_STRING
 961                         wireless_vif_parse_encryption
 962                         [ -z "$htmode" ] && htmode="NOHT";
 963                         if wpa_supplicant -vmesh; then
 964                                 mac80211_setup_supplicant || failed=1
 965                         else
 966                                 mac80211_setup_mesh
 967                         fi
 968                 ;;
 969                 adhoc)
 970                         wireless_vif_parse_encryption
 971                         if [ "$wpa" -gt 0 -o "$auto_channel" -gt 0 ]; then
 972                                 mac80211_setup_supplicant || failed=1
 973                         else
 974                                 mac80211_setup_adhoc
 975                         fi
 976                 ;;
 977                 sta)
 978                         mac80211_setup_supplicant || failed=1
 979                 ;;
 980                 monitor)
 981                         mac80211_setup_monitor
 982                 ;;
 983         esac
 984
 985         json_select ..
 986         [ -n "$failed" ] || wireless_add_vif "$name" "$ifname"
 987 }
 988
 989 get_freq() {
 990         local phy="$1"
 991         local channel="$2"
 992         local band="$3"
 993
 994         case "$band" in
 995                 2g) band="1:";;
 996                 5g) band="2:";;
 997                 60g) band="3:";;
 998                 6g) band="4:";;
 999         esac
1000
1001         iw "$phy" info | awk -v band="$band" -v channel="[$channel]" '
1002
1003 $1 ~ /Band/ {
1004         band_match = band == $2
1005 }
1006
1007 band_match && $3 == "MHz" && $4 == channel {
1008         print $2
1009         exit
1010 }
1011 '
1012 }
1013
1014 chan_is_dfs() {
1015         local phy="$1"
1016         local chan="$2"
1017         iw "$phy" info | grep -E -m1 "(\* ${chan:-....} MHz${chan:+|\\[$chan\\]})" | grep -q "MHz.*radar detection"
1018         return $!
1019 }
1020
1021 mac80211_set_noscan() {
1022         hostapd_noscan=1
1023 }
1024
1025 drv_mac80211_cleanup() {
1026         hostapd_common_cleanup
1027 }
1028
1029 mac80211_reset_config() {
1030         local phy="$1"
1031
1032         hostapd_conf_file="/var/run/hostapd-$phy.conf"
1033         ubus call hostapd config_set '{ "phy": "'"$phy"'", "config": "", "prev_config": "'"$hostapd_conf_file"'" }' > /dev/null
1034         ubus call wpa_supplicant config_set '{ "phy": "'"$phy"'", "config": [] }' > /dev/null
1035         wdev_tool "$phy" set_config '{}'
1036 }
1037
1038 drv_mac80211_setup() {
1039         json_select config
1040         json_get_vars \
1041                 phy macaddr path \
1042                 country chanbw distance \
1043                 txpower \
1044                 rxantenna txantenna \
1045                 frag rts beacon_int:100 htmode \
1046                 num_global_macaddr:1 multiple_bssid:0
1047         json_get_values basic_rate_list basic_rate
1048         json_get_values scan_list scan_list
1049         json_select ..
1050
1051         json_select data && {
1052                 json_get_var prev_rxantenna rxantenna
1053                 json_get_var prev_txantenna txantenna
1054                 json_select ..
1055         }
1056
1057         find_phy || {
1058                 echo "Could not find PHY for device '$1'"
1059                 wireless_set_retry 0
1060                 return 1
1061         }
1062
1063         local wdev
1064         local cwdev
1065         local found
1066
1067         # convert channel to frequency
1068         [ "$auto_channel" -gt 0 ] || freq="$(get_freq "$phy" "$channel" "$band")"
1069
1070         [ -n "$country" ] && {
1071                 iw reg get | grep -q "^country $country:" || {
1072                         iw reg set "$country"
1073                         sleep 1
1074                 }
1075         }
1076
1077         hostapd_conf_file="/var/run/hostapd-$phy.conf"
1078
1079         macidx=0
1080         staidx=0
1081
1082         [ -n "$chanbw" ] && {
1083                 for file in /sys/kernel/debug/ieee80211/$phy/ath9k*/chanbw /sys/kernel/debug/ieee80211/$phy/ath5k/bwmode; do
1084                         [ -f "$file" ] && echo "$chanbw" > "$file"
1085                 done
1086         }
1087
1088         set_default rxantenna 0xffffffff
1089         set_default txantenna 0xffffffff
1090         set_default distance 0
1091
1092         [ "$txantenna" = "all" ] && txantenna=0xffffffff
1093         [ "$rxantenna" = "all" ] && rxantenna=0xffffffff
1094
1095         [ "$rxantenna" = "$prev_rxantenna" -a "$txantenna" = "$prev_txantenna" ] || mac80211_reset_config "$phy"
1096         wireless_set_data phy="$phy" txantenna="$txantenna" rxantenna="$rxantenna"
1097
1098         iw phy "$phy" set antenna $txantenna $rxantenna >/dev/null 2>&1
1099         iw phy "$phy" set distance "$distance" >/dev/null 2>&1
1100
1101         if [ -n "$txpower" ]; then
1102                 iw phy "$phy" set txpower fixed "${txpower%%.*}00"
1103         else
1104                 iw phy "$phy" set txpower auto
1105         fi
1106
1107         [ -n "$frag" ] && iw phy "$phy" set frag "${frag%%.*}"
1108         [ -n "$rts" ] && iw phy "$phy" set rts "${rts%%.*}"
1109
1110         has_ap=
1111         hostapd_ctrl=
1112         ap_ifname=
1113         hostapd_noscan=
1114         wpa_supp_init=
1115         for_each_interface "ap" mac80211_check_ap
1116
1117         [ -f "$hostapd_conf_file" ] && mv "$hostapd_conf_file" "$hostapd_conf_file.prev"
1118
1119         for_each_interface "sta adhoc mesh" mac80211_set_noscan
1120         [ -n "$has_ap" ] && mac80211_hostapd_setup_base "$phy"
1121
1122         local prev
1123         json_set_namespace wdev_uc prev
1124         json_init
1125         json_set_namespace "$prev"
1126
1127         wpa_supplicant_init_config
1128
1129         mac80211_prepare_iw_htmode
1130         active_ifnames=
1131         for_each_interface "ap sta adhoc mesh monitor" mac80211_prepare_vif
1132         for_each_interface "ap sta adhoc mesh monitor" mac80211_setup_vif
1133
1134         [ -x /usr/sbin/wpa_supplicant ] && wpa_supplicant_set_config "$phy"
1135         [ -x /usr/sbin/hostapd ] && hostapd_set_config "$phy"
1136
1137         [ -x /usr/sbin/wpa_supplicant ] && wpa_supplicant_start "$phy"
1138
1139         json_set_namespace wdev_uc prev
1140         wdev_tool "$phy" set_config "$(json_dump)" $active_ifnames
1141         json_set_namespace "$prev"
1142
1143         for_each_interface "ap sta adhoc mesh monitor" mac80211_set_vif_txpower
1144         wireless_set_up
1145 }
1146
1147 _list_phy_interfaces() {
1148         local phy="$1"
1149         if [ -d "/sys/class/ieee80211/${phy}/device/net" ]; then
1150                 ls "/sys/class/ieee80211/${phy}/device/net" 2>/dev/null;
1151         else
1152                 ls "/sys/class/ieee80211/${phy}/device" 2>/dev/null | grep net: | sed -e 's,net:,,g'
1153         fi
1154 }
1155
1156 list_phy_interfaces() {
1157         local phy="$1"
1158
1159         for dev in $(_list_phy_interfaces "$phy"); do
1160                 readlink "/sys/class/net/${dev}/phy80211" | grep -q "/${phy}\$" || continue
1161                 echo "$dev"
1162         done
1163 }
1164
1165 drv_mac80211_teardown() {
1166         json_select data
1167         json_get_vars phy
1168         json_select ..
1169         [ -n "$phy" ] || {
1170                 echo "Bug: PHY is undefined for device '$1'"
1171                 return 1
1172         }
1173
1174         mac80211_reset_config "$phy"
1175
1176         for wdev in $(list_phy_interfaces "$phy"); do
1177                 ip link set dev "$wdev" down
1178                 iw dev "$wdev" del
1179         done
1180 }
1181
1182 add_driver mac80211