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

   1 #!/bin/sh
   2 . /lib/netifd/netifd-wireless.sh
   3 . /lib/netifd/hostapd.sh
   4
   5 init_wireless_driver "$@"
   6
   7 MP_CONFIG_INT="mesh_retry_timeout mesh_confirm_timeout mesh_holding_timeout mesh_max_peer_links
   8                mesh_max_retries mesh_ttl mesh_element_ttl mesh_hwmp_max_preq_retries
   9                mesh_path_refresh_time mesh_min_discovery_timeout mesh_hwmp_active_path_timeout
  10                mesh_hwmp_preq_min_interval mesh_hwmp_net_diameter_traversal_time mesh_hwmp_rootmode
  11                mesh_hwmp_rann_interval mesh_gate_announcements mesh_sync_offset_max_neighor
  12                mesh_rssi_threshold mesh_hwmp_active_path_to_root_timeout mesh_hwmp_root_interval
  13                mesh_hwmp_confirmation_interval mesh_awake_window mesh_plink_timeout"
  14 MP_CONFIG_BOOL="mesh_auto_open_plinks mesh_fwding"
  15 MP_CONFIG_STRING="mesh_power_mode"
  16
  17 drv_mac80211_init_device_config() {
  18         hostapd_common_add_device_config
  19
  20         config_add_string path phy 'macaddr:macaddr'
  21         config_add_string hwmode
  22         config_add_int beacon_int chanbw frag rts
  23         config_add_int rxantenna txantenna antenna_gain txpower distance
  24         config_add_boolean noscan
  25         config_add_array ht_capab
  26         config_add_boolean \
  27                 rxldpc \
  28                 short_gi_80 \
  29                 short_gi_160 \
  30                 tx_stbc_2by1 \
  31                 su_beamformer \
  32                 su_beamformee \
  33                 mu_beamformer \
  34                 mu_beamformee \
  35                 vht_txop_ps \
  36                 htc_vht \
  37                 rx_antenna_pattern \
  38                 tx_antenna_pattern
  39         config_add_int vht_max_mpdu vht_max_rx_stbc vht_link_adapt vht160
  40 }
  41
  42 drv_mac80211_init_iface_config() {
  43         hostapd_common_add_bss_config
  44
  45         config_add_string 'macaddr:macaddr' ifname
  46
  47         config_add_boolean wds powersave
  48         config_add_int maxassoc
  49         config_add_int max_listen_int
  50         config_add_int dtim_interval
  51
  52         # mesh
  53         config_add_string mesh_id
  54         config_add_int $MP_CONFIG_INT
  55         config_add_boolean $MP_CONFIG_BOOL
  56         config_add_string $MP_CONFIG_STRING
  57 }
  58
  59 mac80211_add_capabilities() {
  60         local __var="$1"; shift
  61         local __mask="$1"; shift
  62         local __out= oifs
  63
  64         oifs="$IFS"
  65         IFS=:
  66         for capab in "$@"; do
  67                 set -- $capab
  68
  69                 [ "$(($4))" -gt 0 ] || continue
  70                 [ "$(($__mask & $2))" -eq "$((${3:-$2}))" ] || continue
  71                 __out="$__out[$1]"
  72         done
  73         IFS="$oifs"
  74
  75         export -n -- "$__var=$__out"
  76 }
  77
  78 mac80211_hostapd_setup_base() {
  79         local phy="$1"
  80
  81         json_select config
  82
  83         [ "$auto_channel" -gt 0 ] && channel=acs_survey
  84
  85         [ "$enable_ht" -gt 0 ] && {
  86                 json_get_vars noscan htmode
  87                 json_get_values ht_capab_list ht_capab
  88
  89                 ieee80211n=1
  90                 ht_capab=
  91                 case "$htmode" in
  92                         HT20) ;;
  93                         HT40*|VHT40|VHT80|VHT160)
  94                                 case "$hwmode" in
  95                                         a)
  96                                                 case "$(( ($channel / 4) % 2 ))" in
  97                                                         1) ht_capab="[HT40+]";;
  98                                                         0) ht_capab="[HT40-]";;
  99                                                 esac
 100                                         ;;
 101                                         *)
 102                                                 case "$htmode" in
 103                                                         HT40+) ht_capab="[HT40+]";;
 104                                                         HT40-) ht_capab="[HT40-]";;
 105                                                         *)
 106                                                                 if [ "$channel" -lt 7 ]; then
 107                                                                         ht_capab="[HT40+]"
 108                                                                 else
 109                                                                         ht_capab="[HT40-]"
 110                                                                 fi
 111                                                         ;;
 112                                                 esac
 113                                         ;;
 114                                 esac
 115                                 [ "$auto_channel" -gt 0 ] && ht_capab="[HT40+]"
 116                         ;;
 117                         *) ieee80211n= ;;
 118                 esac
 119
 120                 [ -n "$ieee80211n" ] && {
 121                         append base_cfg "ieee80211n=1" "$N"
 122
 123                         json_get_vars \
 124                                 ldpc:1 \
 125                                 greenfield:1 \
 126                                 short_gi_20:1 \
 127                                 short_gi_40:1 \
 128                                 tx_stbc:1 \
 129                                 rx_stbc:3 \
 130                                 dsss_cck_40:1
 131
 132                         ht_cap_mask=0
 133                         for cap in $(iw phy "$phy" info | grep 'Capabilities:' | cut -d: -f2); do
 134                                 ht_cap_mask="$(($ht_cap_mask | $cap))"
 135                         done
 136
 137                         cap_rx_stbc=$((($ht_cap_mask >> 8) & 3))
 138                         [ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc="$rx_stbc"
 139                         ht_cap_mask="$(( ($ht_cap_mask & ~(0x300)) | ($cap_rx_stbc << 8) ))"
 140
 141                         mac80211_add_capabilities ht_capab_flags $ht_cap_mask \
 142                                 LDPC:0x1::$ldpc \
 143                                 GF:0x10::$greenfield \
 144                                 SHORT-GI-20:0x20::$short_gi_20 \
 145                                 SHORT-GI-40:0x40::$short_gi_40 \
 146                                 TX-STBC:0x80::$max_tx_stbc \
 147                                 RX-STBC1:0x300:0x100:1 \
 148                                 RX-STBC12:0x300:0x200:1 \
 149                                 RX-STBC123:0x300:0x300:1 \
 150                                 DSSS_CCK-40:0x1000::$dsss_cck_40
 151
 152                         [ -n "$ht_capab" ] && append base_cfg "ht_capab=$ht_capab$ht_capab_flags" "$N"
 153                 }
 154
 155                 # 802.11ac
 156                 enable_ac=0
 157                 idx="$channel"
 158                 case "$htmode" in
 159                         VHT40)
 160                                 case "$(( ($channel / 4) % 2 ))" in
 161                                         1) idx=$(($channel + 2));;
 162                                         0) idx=$(($channel - 2));;
 163                                 esac
 164                                 enable_ac=1
 165                                 append base_cfg "vht_oper_chwidth=0" "$N"
 166                                 append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
 167                         ;;
 168                         VHT80)
 169                                 case "$(( ($channel / 4) % 2 ))" in
 170                                         1) idx=$(($channel + 6));;
 171                                         2) idx=$(($channel + 2));;
 172                                         3) idx=$(($channel - 2));;
 173                                         0) idx=$(($channel - 6));;
 174                                 esac
 175                                 enable_ac=1
 176                                 append base_cfg "vht_oper_chwidth=1" "$N"
 177                                 append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
 178                         ;;
 179                         VHT160)
 180                                 case "$channel" in
 181                                         36|40|44|48|52|56|60|64) idx=50;;
 182                                         100|104|108|112|116|120|124|128) idx=114;;
 183                                 esac
 184                                 enable_ac=1
 185                                 append base_cfg "vht_oper_chwidth=2" "$N"
 186                                 append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
 187                         ;;
 188                 esac
 189
 190                 if [ "$enable_ac" != "0" ]; then
 191                         json_get_vars \
 192                                 rxldpc:1 \
 193                                 short_gi_80:1 \
 194                                 short_gi_160:1 \
 195                                 tx_stbc_2by1:1 \
 196                                 su_beamformer:1 \
 197                                 su_beamformee:1 \
 198                                 mu_beamformer:1 \
 199                                 mu_beamformee:1 \
 200                                 vht_txop_ps:1 \
 201                                 htc_vht:1 \
 202                                 rx_antenna_pattern:1 \
 203                                 tx_antenna_pattern:1 \
 204                                 vht_max_mpdu:11454 \
 205                                 rx_stbc:4 \
 206                                 vht_link_adapt:3 \
 207                                 vht160:2
 208
 209                         append base_cfg "ieee80211ac=1" "$N"
 210                         vht_cap=0
 211                         for cap in $(iw phy "$phy" info | awk -F "[()]" '/VHT Capabilities/ { print $2 }'); do
 212                                 vht_cap="$(($vht_cap | $cap))"
 213                         done
 214
 215                         cap_rx_stbc=$((($vht_cap >> 8) & 7))
 216                         [ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc="$rx_stbc"
 217                         ht_cap_mask="$(( ($vht_cap & ~(0x700)) | ($cap_rx_stbc << 8) ))"
 218
 219                         mac80211_add_capabilities vht_capab $vht_cap \
 220                                 RXLDPC:0x10::$rxldpc \
 221                                 SHORT-GI-80:0x20::$short_gi_80 \
 222                                 SHORT-GI-160:0x40::$short_gi_160 \
 223                                 TX-STBC-2BY1:0x80::$tx_stbc \
 224                                 SU-BEAMFORMER:0x800::$su_beamformer \
 225                                 SU-BEAMFORMEE:0x1000::$su_beamformee \
 226                                 MU-BEAMFORMER:0x80000::$mu_beamformer \
 227                                 MU-BEAMFORMEE:0x100000::$mu_beamformee \
 228                                 VHT-TXOP-PS:0x200000::$vht_txop_ps \
 229                                 HTC-VHT:0x400000::$htc_vht \
 230                                 RX-ANTENNA-PATTERN:0x10000000::$rx_antenna_pattern \
 231                                 TX-ANTENNA-PATTERN:0x20000000::$tx_antenna_pattern \
 232                                 RX-STBC1:0x700:0x100:1 \
 233                                 RX-STBC12:0x700:0x200:1 \
 234                                 RX-STBC123:0x700:0x300:1 \
 235                                 RX-STBC1234:0x700:0x400:1 \
 236
 237                         # supported Channel widths
 238                         vht160_hw=0
 239                         [ "$(($vht_cap & 12))" -eq 4 -a 1 -le "$vht160" ] && \
 240                                 vht160_hw=1
 241                         [ "$(($vht_cap & 12))" -eq 8 -a 2 -le "$vht160" ] && \
 242                                 vht160_hw=2
 243                         [ "$vht160_hw" = 1 ] && vht_capab="$vht_capab[VHT160]"
 244                         [ "$vht160_hw" = 2 ] && vht_capab="$vht_capab[VHT160-80PLUS80]"
 245
 246                         # maximum MPDU length
 247                         vht_max_mpdu_hw=3895
 248                         [ "$(($vht_cap & 3))" -ge 1 -a 7991 -le "$vht_max_mpdu" ] && \
 249                                 vht_max_mpdu_hw=7991
 250                         [ "$(($vht_cap & 3))" -ge 2 -a 11454 -le "$vht_max_mpdu" ] && \
 251                                 vht_max_mpdu_hw=11454
 252                         [ "$vht_max_mpdu_hw" != 3895 ] && \
 253                                 vht_capab="$vht_capab[MAX-MPDU-$vht_max_mpdu_hw]"
 254
 255                         # whether or not the STA supports link adaptation using VHT variant
 256                         vht_link_adapt_hw=0
 257                         [ "$(($vht_cap & 201326592))" -ge 134217728 -a 2 -le "$vht_link_adapt" ] && \
 258                                 vht_link_adapt_hw=2
 259                         [ "$(($vht_cap & 201326592))" -ge 201326592 -a 3 -le "$vht_link_adapt" ] && \
 260                                 vht_link_adapt_hw=3
 261                         [ "$vht_link_adapt_hw" != 0 ] && \
 262                                 vht_capab="$vht_capab[VHT-LINK-ADAPT-$vht_link_adapt_hw]"
 263
 264                         [ -n "$vht_capab" ] && append base_cfg "vht_capab=$vht_capab" "$N"
 265                 fi
 266         }
 267
 268         hostapd_prepare_device_config "$hostapd_conf_file" nl80211
 269         cat >> "$hostapd_conf_file" <<EOF
 270 ${channel:+channel=$channel}
 271 ${noscan:+noscan=$noscan}
 272 $base_cfg
 273
 274 EOF
 275         json_select ..
 276 }
 277
 278 mac80211_hostapd_setup_bss() {
 279         local phy="$1"
 280         local ifname="$2"
 281         local macaddr="$3"
 282         local type="$4"
 283
 284         hostapd_cfg=
 285         append hostapd_cfg "$type=$ifname" "$N"
 286
 287         hostapd_set_bss_options hostapd_cfg "$vif" || return 1
 288         json_get_vars wds dtim_period max_listen_int
 289
 290         set_default wds 0
 291
 292         [ "$wds" -gt 0 ] && append hostapd_cfg "wds_sta=1" "$N"
 293         [ "$staidx" -gt 0 ] && append hostapd_cfg "start_disabled=1" "$N"
 294
 295         cat >> /var/run/hostapd-$phy.conf <<EOF
 296 $hostapd_cfg
 297 bssid=$macaddr
 298 ${dtim_period:+dtim_period=$dtim_period}
 299 ${max_listen_int:+max_listen_interval=$max_listen_int}
 300 EOF
 301 }
 302
 303 mac80211_generate_mac() {
 304         local phy="$1"
 305         local id="${macidx:-0}"
 306
 307         local ref="$(cat /sys/class/ieee80211/${phy}/macaddress)"
 308         local mask="$(cat /sys/class/ieee80211/${phy}/address_mask)"
 309
 310         [ "$mask" = "00:00:00:00:00:00" ] && mask="ff:ff:ff:ff:ff:ff";
 311         local oIFS="$IFS"; IFS=":"; set -- $mask; IFS="$oIFS"
 312
 313         local mask1=$1
 314         local mask6=$6
 315
 316         local oIFS="$IFS"; IFS=":"; set -- $ref; IFS="$oIFS"
 317
 318         macidx=$(($id + 1))
 319         [ "$((0x$mask1))" -gt 0 ] && {
 320                 b1="0x$1"
 321                 [ "$id" -gt 0 ] && \
 322                         b1=$(($b1 ^ ((($id - 1) << 2) | 0x2)))
 323                 printf "%02x:%s:%s:%s:%s:%s" $b1 $2 $3 $4 $5 $6
 324                 return
 325         }
 326
 327         [ "$((0x$mask6))" -lt 255 ] && {
 328                 printf "%s:%s:%s:%s:%s:%02x" $1 $2 $3 $4 $5 $(( 0x$6 ^ $id ))
 329                 return
 330         }
 331
 332         off2=$(( (0x$6 + $id) / 0x100 ))
 333         printf "%s:%s:%s:%s:%02x:%02x" \
 334                 $1 $2 $3 $4 \
 335                 $(( (0x$5 + $off2) % 0x100 )) \
 336                 $(( (0x$6 + $id) % 0x100 ))
 337 }
 338
 339 find_phy() {
 340         [ -n "$phy" -a -d /sys/class/ieee80211/$phy ] && return 0
 341         [ -n "$path" -a -d "/sys/devices/$path/ieee80211" ] && {
 342                 phy="$(ls /sys/devices/$path/ieee80211 | grep -m 1 phy)"
 343                 [ -n "$phy" ] && return 0
 344         }
 345         [ -n "$macaddr" ] && {
 346                 for phy in $(ls /sys/class/ieee80211 2>/dev/null); do
 347                         grep -i -q "$macaddr" "/sys/class/ieee80211/${phy}/macaddress" && return 0
 348                 done
 349         }
 350         return 1
 351 }
 352
 353 mac80211_check_ap() {
 354         has_ap=1
 355 }
 356
 357 mac80211_prepare_vif() {
 358         json_select config
 359
 360         json_get_vars ifname mode ssid wds powersave macaddr
 361
 362         [ -n "$ifname" ] || ifname="wlan${phy#phy}${if_idx:+-$if_idx}"
 363         if_idx=$((${if_idx:-0} + 1))
 364
 365         set_default wds 0
 366         set_default powersave 0
 367
 368         json_select ..
 369
 370         [ -n "$macaddr" ] || {
 371                 macaddr="$(mac80211_generate_mac $phy)"
 372                 macidx="$(($macidx + 1))"
 373         }
 374
 375         json_add_object data
 376         json_add_string ifname "$ifname"
 377         json_close_object
 378         json_select config
 379
 380         # It is far easier to delete and create the desired interface
 381         case "$mode" in
 382                 adhoc)
 383                         iw phy "$phy" interface add "$ifname" type adhoc
 384                 ;;
 385                 ap)
 386                         # Hostapd will handle recreating the interface and
 387                         # subsequent virtual APs belonging to the same PHY
 388                         if [ -n "$hostapd_ctrl" ]; then
 389                                 type=bss
 390                         else
 391                                 type=interface
 392                         fi
 393
 394                         mac80211_hostapd_setup_bss "$phy" "$ifname" "$macaddr" "$type" || return
 395
 396                         [ -n "$hostapd_ctrl" ] || {
 397                                 iw phy "$phy" interface add "$ifname" type managed
 398                                 hostapd_ctrl="${hostapd_ctrl:-/var/run/hostapd/$ifname}"
 399                         }
 400                 ;;
 401                 mesh)
 402                         json_get_vars key mesh_id
 403                         if [ -n "$key" ]; then
 404                                 iw phy "$phy" interface add "$ifname" type mp
 405                         else
 406                                 iw phy "$phy" interface add "$ifname" type mp mesh_id "$mesh_id"
 407                         fi
 408                 ;;
 409                 monitor)
 410                         iw phy "$phy" interface add "$ifname" type monitor
 411                 ;;
 412                 sta)
 413                         local wdsflag=
 414                         staidx="$(($staidx + 1))"
 415                         [ "$wds" -gt 0 ] && wdsflag="4addr on"
 416                         iw phy "$phy" interface add "$ifname" type managed $wdsflag
 417                         [ "$powersave" -gt 0 ] && powersave="on" || powersave="off"
 418                         iw "$ifname" set power_save "$powersave"
 419                 ;;
 420         esac
 421
 422         case "$mode" in
 423                 monitor|mesh)
 424                         [ "$auto_channel" -gt 0 ] || iw dev "$ifname" set channel "$channel" $htmode
 425                 ;;
 426         esac
 427
 428         if [ "$mode" != "ap" ]; then
 429                 # ALL ap functionality will be passed to hostapd
 430                 # All interfaces must have unique mac addresses
 431                 # which can either be explicitly set in the device
 432                 # section, or automatically generated
 433                 ifconfig "$ifname" hw ether "$macaddr"
 434         fi
 435
 436         json_select ..
 437 }
 438
 439 mac80211_setup_supplicant() {
 440         wpa_supplicant_prepare_interface "$ifname" nl80211 || return 1
 441         wpa_supplicant_add_network "$ifname"
 442         wpa_supplicant_run "$ifname" ${hostapd_ctrl:+-H $hostapd_ctrl}
 443 }
 444
 445 mac80211_setup_adhoc() {
 446         json_get_vars bssid ssid key mcast_rate
 447
 448         keyspec=
 449         [ "$auth_type" == "wep" ] && {
 450                 set_default key 1
 451                 case "$key" in
 452                         [1234])
 453                                 local idx
 454                                 for idx in 1 2 3 4; do
 455                                         json_get_var ikey "key$idx"
 456
 457                                         [ -n "$ikey" ] && {
 458                                                 ikey="$(($idx - 1)):$(prepare_key_wep "$ikey")"
 459                                                 [ $idx -eq $key ] && ikey="d:$ikey"
 460                                                 append keyspec "$ikey"
 461                                         }
 462                                 done
 463                         ;;
 464                         *)
 465                                 append keyspec "d:0:$(prepare_key_wep "$key")"
 466                         ;;
 467                 esac
 468         }
 469
 470         brstr=
 471         for br in $basic_rate_list; do
 472                 hostapd_add_rate brstr "$br"
 473         done
 474
 475         mcval=
 476         [ -n "$mcast_rate" ] && hostapd_add_rate mcval "$mcast_rate"
 477
 478         iw dev "$ifname" ibss join "$ssid" $freq $htmode fixed-freq $bssid \
 479                 ${beacon_int:+beacon-interval $beacon_int} \
 480                 ${brstr:+basic-rates $brstr} \
 481                 ${mcval:+mcast-rate $mcval} \
 482                 ${keyspec:+keys $keyspec}
 483 }
 484
 485 mac80211_setup_vif() {
 486         local name="$1"
 487         local failed
 488
 489         json_select data
 490         json_get_vars ifname
 491         json_select ..
 492
 493         json_select config
 494         json_get_vars mode
 495         json_get_var vif_txpower txpower
 496
 497         ifconfig "$ifname" up || {
 498                 wireless_setup_vif_failed IFUP_ERROR
 499                 json_select ..
 500                 return
 501         }
 502
 503         set_default vif_txpower "$txpower"
 504         [ -z "$vif_txpower" ] || iw dev "$ifname" set txpower fixed "${vif_txpower%%.*}00"
 505
 506         case "$mode" in
 507                 mesh)
 508                         for var in $MP_CONFIG_INT $MP_CONFIG_BOOL $MP_CONFIG_STRING; do
 509                                 json_get_var mp_val "$var"
 510                                 [ -n "$mp_val" ] && iw dev "$ifname" set mesh_param "$var" "$mp_val"
 511                         done
 512
 513                         # authsae
 514                         json_get_vars key
 515                         if [ -n "$key" ]; then
 516                                 if [ -e "/lib/wifi/authsae.sh" ]; then
 517                                         . /lib/wifi/authsae.sh
 518                                         authsae_start_interface || failed=1
 519                                 else
 520                                         wireless_setup_vif_failed AUTHSAE_NOT_INSTALLED
 521                                         json_select ..
 522                                         return
 523                                 fi
 524                         fi
 525                 ;;
 526                 adhoc)
 527                         wireless_vif_parse_encryption
 528                         if [ "$wpa" -gt 0 -o "$auto_channel" -gt 0 ]; then
 529                                 mac80211_setup_supplicant || failed=1
 530                         else
 531                                 mac80211_setup_adhoc
 532                         fi
 533                 ;;
 534                 sta)
 535                         mac80211_setup_supplicant || failed=1
 536                 ;;
 537         esac
 538
 539         json_select ..
 540         [ -n "$failed" ] || wireless_add_vif "$name" "$ifname"
 541 }
 542
 543 get_freq() {
 544         local phy="$1"
 545         local chan="$2"
 546         iw "$phy" info | grep -E -m1 "(\* ${chan:-....} MHz${chan:+|\\[$chan\\]})" | grep MHz | awk '{print $2}'
 547 }
 548
 549 mac80211_interface_cleanup() {
 550         local phy="$1"
 551
 552         for wdev in $(list_phy_interfaces "$phy"); do
 553                 ifconfig "$wdev" down 2>/dev/null
 554                 iw dev "$wdev" del
 555         done
 556 }
 557
 558 drv_mac80211_cleanup() {
 559         hostapd_common_cleanup
 560 }
 561
 562 drv_mac80211_setup() {
 563         json_select config
 564         json_get_vars \
 565                 phy macaddr path \
 566                 country chanbw distance \
 567                 txpower antenna_gain \
 568                 rxantenna txantenna \
 569                 frag rts beacon_int
 570         json_get_values basic_rate_list basic_rate
 571         json_select ..
 572
 573         find_phy || {
 574                 echo "Could not find PHY for device '$1'"
 575                 wireless_set_retry 0
 576                 return 1
 577         }
 578
 579         wireless_set_data phy="$phy"
 580         mac80211_interface_cleanup "$phy"
 581
 582         # convert channel to frequency
 583         [ "$auto_channel" -gt 0 ] || freq="$(get_freq "$phy" "$channel")"
 584
 585         [ -n "$country" ] && {
 586                 iw reg get | grep -q "^country $country:" || {
 587                         iw reg set "$country"
 588                         sleep 1
 589                 }
 590         }
 591
 592         hostapd_conf_file="/var/run/hostapd-$phy.conf"
 593
 594         no_ap=1
 595         macidx=0
 596         staidx=0
 597
 598         [ -n "$chanbw" ] && {
 599                 for file in /sys/kernel/debug/ieee80211/$phy/ath9k/chanbw /sys/kernel/debug/ieee80211/$phy/ath5k/bwmode; do
 600                         [ -f "$file" ] && echo "$chanbw" > "$file"
 601                 done
 602         }
 603
 604         set_default rxantenna all
 605         set_default txantenna all
 606         set_default distance 0
 607         set_default antenna_gain 0
 608
 609         iw phy "$phy" set antenna $txantenna $rxantenna >/dev/null 2>&1
 610         iw phy "$phy" set antenna_gain $antenna_gain
 611         iw phy "$phy" set distance "$distance"
 612
 613         [ -n "$frag" ] && iw phy "$phy" set frag "${frag%%.*}"
 614         [ -n "$rts" ] && iw phy "$phy" set rts "${rts%%.*}"
 615
 616         has_ap=
 617         hostapd_ctrl=
 618         for_each_interface "ap" mac80211_check_ap
 619
 620         rm -f "$hostapd_conf_file"
 621         [ -n "$has_ap" ] && mac80211_hostapd_setup_base "$phy"
 622
 623         for_each_interface "sta adhoc mesh monitor" mac80211_prepare_vif
 624         for_each_interface "ap" mac80211_prepare_vif
 625
 626         [ -n "$hostapd_ctrl" ] && {
 627                 /usr/sbin/hostapd -P /var/run/wifi-$phy.pid -B "$hostapd_conf_file"
 628                 ret="$?"
 629                 wireless_add_process "$(cat /var/run/wifi-$phy.pid)" "/usr/sbin/hostapd" 1
 630                 [ "$ret" != 0 ] && {
 631                         wireless_setup_failed HOSTAPD_START_FAILED
 632                         return
 633                 }
 634         }
 635
 636         for_each_interface "ap sta adhoc mesh monitor" mac80211_setup_vif
 637
 638         wireless_set_up
 639 }
 640
 641 list_phy_interfaces() {
 642         local phy="$1"
 643         if [ -d "/sys/class/ieee80211/${phy}/device/net" ]; then
 644                 ls "/sys/class/ieee80211/${phy}/device/net" 2>/dev/null;
 645         else
 646                 ls "/sys/class/ieee80211/${phy}/device" 2>/dev/null | grep net: | sed -e 's,net:,,g'
 647         fi
 648 }
 649
 650 drv_mac80211_teardown() {
 651         wireless_process_kill_all
 652
 653         json_select data
 654         json_get_vars phy
 655         json_select ..
 656
 657         mac80211_interface_cleanup "$phy"
 658 }
 659
 660 add_driver mac80211