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_a_mpdu_len_exp vht_max_mpdu vht_link_adapt vht160 rx_stbc tx_stbc
  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         json_get_vars noscan htmode
  86         json_get_values ht_capab_list ht_capab
  87
  88         ieee80211n=1
  89         ht_capab=
  90         case "$htmode" in
  91                 VHT20|HT20) ;;
  92                 HT40*|VHT40|VHT80|VHT160)
  93                         case "$hwmode" in
  94                                 a)
  95                                         case "$(( ($channel / 4) % 2 ))" in
  96                                                 1) ht_capab="[HT40+]";;
  97                                                 0) ht_capab="[HT40-]";;
  98                                         esac
  99                                 ;;
 100                                 *)
 101                                         case "$htmode" in
 102                                                 HT40+) ht_capab="[HT40+]";;
 103                                                 HT40-) ht_capab="[HT40-]";;
 104                                                 *)
 105                                                         if [ "$channel" -lt 7 ]; then
 106                                                                 ht_capab="[HT40+]"
 107                                                         else
 108                                                                 ht_capab="[HT40-]"
 109                                                         fi
 110                                                 ;;
 111                                         esac
 112                                 ;;
 113                         esac
 114                         [ "$auto_channel" -gt 0 ] && ht_capab="[HT40+]"
 115                 ;;
 116                 *) ieee80211n= ;;
 117         esac
 118
 119         [ -n "$ieee80211n" ] && {
 120                 append base_cfg "ieee80211n=1" "$N"
 121
 122                 json_get_vars \
 123                         ldpc:1 \
 124                         greenfield:1 \
 125                         short_gi_20:1 \
 126                         short_gi_40:1 \
 127                         tx_stbc:1 \
 128                         rx_stbc:3 \
 129                         dsss_cck_40:1
 130
 131                 ht_cap_mask=0
 132                 for cap in $(iw phy "$phy" info | grep 'Capabilities:' | cut -d: -f2); do
 133                         ht_cap_mask="$(($ht_cap_mask | $cap))"
 134                 done
 135
 136                 cap_rx_stbc=$((($ht_cap_mask >> 8) & 3))
 137                 [ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc="$rx_stbc"
 138                 ht_cap_mask="$(( ($ht_cap_mask & ~(0x300)) | ($cap_rx_stbc << 8) ))"
 139
 140                 mac80211_add_capabilities ht_capab_flags $ht_cap_mask \
 141                         LDPC:0x1::$ldpc \
 142                         GF:0x10::$greenfield \
 143                         SHORT-GI-20:0x20::$short_gi_20 \
 144                         SHORT-GI-40:0x40::$short_gi_40 \
 145                         TX-STBC:0x80::$tx_stbc \
 146                         RX-STBC1:0x300:0x100:1 \
 147                         RX-STBC12:0x300:0x200:1 \
 148                         RX-STBC123:0x300:0x300:1 \
 149                         DSSS_CCK-40:0x1000::$dsss_cck_40
 150
 151                 ht_capab="$ht_capab$ht_capab_flags"
 152                 [ -n "$ht_capab" ] && append base_cfg "ht_capab=$ht_capab" "$N"
 153         }
 154
 155         # 802.11ac
 156         enable_ac=0
 157         idx="$channel"
 158         case "$htmode" in
 159                 VHT20) enable_ac=1;;
 160                 VHT40)
 161                         case "$(( ($channel / 4) % 2 ))" in
 162                                 1) idx=$(($channel + 2));;
 163                                 0) idx=$(($channel - 2));;
 164                         esac
 165                         enable_ac=1
 166                         append base_cfg "vht_oper_chwidth=0" "$N"
 167                         append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
 168                 ;;
 169                 VHT80)
 170                         case "$(( ($channel / 4) % 4 ))" in
 171                                 1) idx=$(($channel + 6));;
 172                                 2) idx=$(($channel + 2));;
 173                                 3) idx=$(($channel - 2));;
 174                                 0) idx=$(($channel - 6));;
 175                         esac
 176                         enable_ac=1
 177                         append base_cfg "vht_oper_chwidth=1" "$N"
 178                         append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
 179                 ;;
 180                 VHT160)
 181                         case "$channel" in
 182                                 36|40|44|48|52|56|60|64) idx=50;;
 183                                 100|104|108|112|116|120|124|128) idx=114;;
 184                         esac
 185                         enable_ac=1
 186                         append base_cfg "vht_oper_chwidth=2" "$N"
 187                         append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
 188                 ;;
 189         esac
 190
 191         if [ "$enable_ac" != "0" ]; then
 192                 json_get_vars \
 193                         rxldpc:1 \
 194                         short_gi_80:1 \
 195                         short_gi_160:1 \
 196                         tx_stbc_2by1:1 \
 197                         su_beamformer:1 \
 198                         su_beamformee:1 \
 199                         mu_beamformer:1 \
 200                         mu_beamformee:1 \
 201                         vht_txop_ps:1 \
 202                         htc_vht:1 \
 203                         rx_antenna_pattern:1 \
 204                         tx_antenna_pattern:1 \
 205                         vht_max_a_mpdu_len_exp:7 \
 206                         vht_max_mpdu:11454 \
 207                         rx_stbc:4 \
 208                         tx_stbc:4 \
 209                         vht_link_adapt:3 \
 210                         vht160:2
 211
 212                 append base_cfg "ieee80211ac=1" "$N"
 213                 vht_cap=0
 214                 for cap in $(iw phy "$phy" info | awk -F "[()]" '/VHT Capabilities/ { print $2 }'); do
 215                         vht_cap="$(($vht_cap | $cap))"
 216                 done
 217
 218                 cap_rx_stbc=$((($vht_cap >> 8) & 7))
 219                 [ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc="$rx_stbc"
 220                 ht_cap_mask="$(( ($vht_cap & ~(0x700)) | ($cap_rx_stbc << 8) ))"
 221
 222                 mac80211_add_capabilities vht_capab $vht_cap \
 223                         RXLDPC:0x10::$rxldpc \
 224                         SHORT-GI-80:0x20::$short_gi_80 \
 225                         SHORT-GI-160:0x40::$short_gi_160 \
 226                         TX-STBC-2BY1:0x80::$tx_stbc \
 227                         SU-BEAMFORMER:0x800::$su_beamformer \
 228                         SU-BEAMFORMEE:0x1000::$su_beamformee \
 229                         MU-BEAMFORMER:0x80000::$mu_beamformer \
 230                         MU-BEAMFORMEE:0x100000::$mu_beamformee \
 231                         VHT-TXOP-PS:0x200000::$vht_txop_ps \
 232                         HTC-VHT:0x400000::$htc_vht \
 233                         RX-ANTENNA-PATTERN:0x10000000::$rx_antenna_pattern \
 234                         TX-ANTENNA-PATTERN:0x20000000::$tx_antenna_pattern \
 235                         RX-STBC1:0x700:0x100:1 \
 236                         RX-STBC12:0x700:0x200:1 \
 237                         RX-STBC123:0x700:0x300:1 \
 238                         RX-STBC1234:0x700:0x400:1 \
 239
 240                 # supported Channel widths
 241                 vht160_hw=0
 242                 [ "$(($vht_cap & 12))" -eq 4 -a 1 -le "$vht160" ] && \
 243                         vht160_hw=1
 244                 [ "$(($vht_cap & 12))" -eq 8 -a 2 -le "$vht160" ] && \
 245                         vht160_hw=2
 246                 [ "$vht160_hw" = 1 ] && vht_capab="$vht_capab[VHT160]"
 247                 [ "$vht160_hw" = 2 ] && vht_capab="$vht_capab[VHT160-80PLUS80]"
 248
 249                 # maximum MPDU length
 250                 vht_max_mpdu_hw=3895
 251                 [ "$(($vht_cap & 3))" -ge 1 -a 7991 -le "$vht_max_mpdu" ] && \
 252                         vht_max_mpdu_hw=7991
 253                 [ "$(($vht_cap & 3))" -ge 2 -a 11454 -le "$vht_max_mpdu" ] && \
 254                         vht_max_mpdu_hw=11454
 255                 [ "$vht_max_mpdu_hw" != 3895 ] && \
 256                         vht_capab="$vht_capab[MAX-MPDU-$vht_max_mpdu_hw]"
 257
 258                 # maximum A-MPDU length exponent
 259                 vht_max_a_mpdu_len_exp_hw=0
 260                 [ "$(($vht_cap & 58720256))" -ge 8388608 -a 1 -le "$vht_max_a_mpdu_len_exp" ] && \
 261                         vht_max_a_mpdu_len_exp_hw=1
 262                 [ "$(($vht_cap & 58720256))" -ge 16777216 -a 2 -le "$vht_max_a_mpdu_len_exp" ] && \
 263                         vht_max_a_mpdu_len_exp_hw=2
 264                 [ "$(($vht_cap & 58720256))" -ge 25165824 -a 3 -le "$vht_max_a_mpdu_len_exp" ] && \
 265                         vht_max_a_mpdu_len_exp_hw=3
 266                 [ "$(($vht_cap & 58720256))" -ge 33554432 -a 4 -le "$vht_max_a_mpdu_len_exp" ] && \
 267                         vht_max_a_mpdu_len_exp_hw=4
 268                 [ "$(($vht_cap & 58720256))" -ge 41943040 -a 5 -le "$vht_max_a_mpdu_len_exp" ] && \
 269                         vht_max_a_mpdu_len_exp_hw=5
 270                 [ "$(($vht_cap & 58720256))" -ge 50331648 -a 6 -le "$vht_max_a_mpdu_len_exp" ] && \
 271                         vht_max_a_mpdu_len_exp_hw=6
 272                 [ "$(($vht_cap & 58720256))" -ge 58720256 -a 7 -le "$vht_max_a_mpdu_len_exp" ] && \
 273                         vht_max_a_mpdu_len_exp_hw=7
 274                 vht_capab="$vht_capab[MAX-A-MPDU-LEN-EXP$vht_max_a_mpdu_len_exp_hw]"
 275
 276                 # whether or not the STA supports link adaptation using VHT variant
 277                 vht_link_adapt_hw=0
 278                 [ "$(($vht_cap & 201326592))" -ge 134217728 -a 2 -le "$vht_link_adapt" ] && \
 279                         vht_link_adapt_hw=2
 280                 [ "$(($vht_cap & 201326592))" -ge 201326592 -a 3 -le "$vht_link_adapt" ] && \
 281                         vht_link_adapt_hw=3
 282                 [ "$vht_link_adapt_hw" != 0 ] && \
 283                         vht_capab="$vht_capab[VHT-LINK-ADAPT-$vht_link_adapt_hw]"
 284
 285                 [ -n "$vht_capab" ] && append base_cfg "vht_capab=$vht_capab" "$N"
 286         fi
 287
 288         hostapd_prepare_device_config "$hostapd_conf_file" nl80211
 289         cat >> "$hostapd_conf_file" <<EOF
 290 ${channel:+channel=$channel}
 291 ${noscan:+noscan=$noscan}
 292 $base_cfg
 293
 294 EOF
 295         json_select ..
 296 }
 297
 298 mac80211_hostapd_setup_bss() {
 299         local phy="$1"
 300         local ifname="$2"
 301         local macaddr="$3"
 302         local type="$4"
 303
 304         hostapd_cfg=
 305         append hostapd_cfg "$type=$ifname" "$N"
 306
 307         hostapd_set_bss_options hostapd_cfg "$vif" || return 1
 308         json_get_vars wds dtim_period max_listen_int
 309
 310         set_default wds 0
 311
 312         [ "$wds" -gt 0 ] && append hostapd_cfg "wds_sta=1" "$N"
 313         [ "$staidx" -gt 0 ] && append hostapd_cfg "start_disabled=1" "$N"
 314
 315         cat >> /var/run/hostapd-$phy.conf <<EOF
 316 $hostapd_cfg
 317 bssid=$macaddr
 318 ${dtim_period:+dtim_period=$dtim_period}
 319 ${max_listen_int:+max_listen_interval=$max_listen_int}
 320 EOF
 321 }
 322
 323 mac80211_generate_mac() {
 324         local phy="$1"
 325         local id="${macidx:-0}"
 326
 327         local ref="$(cat /sys/class/ieee80211/${phy}/macaddress)"
 328         local mask="$(cat /sys/class/ieee80211/${phy}/address_mask)"
 329
 330         [ "$mask" = "00:00:00:00:00:00" ] && mask="ff:ff:ff:ff:ff:ff";
 331         local oIFS="$IFS"; IFS=":"; set -- $mask; IFS="$oIFS"
 332
 333         local mask1=$1
 334         local mask6=$6
 335
 336         local oIFS="$IFS"; IFS=":"; set -- $ref; IFS="$oIFS"
 337
 338         macidx=$(($id + 1))
 339         [ "$((0x$mask1))" -gt 0 ] && {
 340                 b1="0x$1"
 341                 [ "$id" -gt 0 ] && \
 342                         b1=$(($b1 ^ ((($id - 1) << 2) | 0x2)))
 343                 printf "%02x:%s:%s:%s:%s:%s" $b1 $2 $3 $4 $5 $6
 344                 return
 345         }
 346
 347         [ "$((0x$mask6))" -lt 255 ] && {
 348                 printf "%s:%s:%s:%s:%s:%02x" $1 $2 $3 $4 $5 $(( 0x$6 ^ $id ))
 349                 return
 350         }
 351
 352         off2=$(( (0x$6 + $id) / 0x100 ))
 353         printf "%s:%s:%s:%s:%02x:%02x" \
 354                 $1 $2 $3 $4 \
 355                 $(( (0x$5 + $off2) % 0x100 )) \
 356                 $(( (0x$6 + $id) % 0x100 ))
 357 }
 358
 359 find_phy() {
 360         [ -n "$phy" -a -d /sys/class/ieee80211/$phy ] && return 0
 361         [ -n "$path" -a -d "/sys/devices/$path/ieee80211" ] && {
 362                 phy="$(ls /sys/devices/$path/ieee80211 | grep -m 1 phy)"
 363                 [ -n "$phy" ] && return 0
 364         }
 365         [ -n "$macaddr" ] && {
 366                 for phy in $(ls /sys/class/ieee80211 2>/dev/null); do
 367                         grep -i -q "$macaddr" "/sys/class/ieee80211/${phy}/macaddress" && return 0
 368                 done
 369         }
 370         return 1
 371 }
 372
 373 mac80211_check_ap() {
 374         has_ap=1
 375 }
 376
 377 mac80211_prepare_vif() {
 378         json_select config
 379
 380         json_get_vars ifname mode ssid wds powersave macaddr
 381
 382         [ -n "$ifname" ] || ifname="wlan${phy#phy}${if_idx:+-$if_idx}"
 383         if_idx=$((${if_idx:-0} + 1))
 384
 385         set_default wds 0
 386         set_default powersave 0
 387
 388         json_select ..
 389
 390         [ -n "$macaddr" ] || {
 391                 macaddr="$(mac80211_generate_mac $phy)"
 392                 macidx="$(($macidx + 1))"
 393         }
 394
 395         json_add_object data
 396         json_add_string ifname "$ifname"
 397         json_close_object
 398         json_select config
 399
 400         # It is far easier to delete and create the desired interface
 401         case "$mode" in
 402                 adhoc)
 403                         iw phy "$phy" interface add "$ifname" type adhoc
 404                 ;;
 405                 ap)
 406                         # Hostapd will handle recreating the interface and
 407                         # subsequent virtual APs belonging to the same PHY
 408                         if [ -n "$hostapd_ctrl" ]; then
 409                                 type=bss
 410                         else
 411                                 type=interface
 412                         fi
 413
 414                         mac80211_hostapd_setup_bss "$phy" "$ifname" "$macaddr" "$type" || return
 415
 416                         [ -n "$hostapd_ctrl" ] || {
 417                                 iw phy "$phy" interface add "$ifname" type managed
 418                                 hostapd_ctrl="${hostapd_ctrl:-/var/run/hostapd/$ifname}"
 419                         }
 420                 ;;
 421                 mesh)
 422                         json_get_vars key mesh_id
 423                         if [ -n "$key" ]; then
 424                                 iw phy "$phy" interface add "$ifname" type mp
 425                         else
 426                                 iw phy "$phy" interface add "$ifname" type mp mesh_id "$mesh_id"
 427                         fi
 428                 ;;
 429                 monitor)
 430                         iw phy "$phy" interface add "$ifname" type monitor
 431                 ;;
 432                 sta)
 433                         local wdsflag=
 434                         staidx="$(($staidx + 1))"
 435                         [ "$wds" -gt 0 ] && wdsflag="4addr on"
 436                         iw phy "$phy" interface add "$ifname" type managed $wdsflag
 437                         [ "$powersave" -gt 0 ] && powersave="on" || powersave="off"
 438                         iw "$ifname" set power_save "$powersave"
 439                 ;;
 440         esac
 441
 442         case "$mode" in
 443                 monitor|mesh)
 444                         [ "$auto_channel" -gt 0 ] || iw dev "$ifname" set channel "$channel" $htmode
 445                 ;;
 446         esac
 447
 448         if [ "$mode" != "ap" ]; then
 449                 # ALL ap functionality will be passed to hostapd
 450                 # All interfaces must have unique mac addresses
 451                 # which can either be explicitly set in the device
 452                 # section, or automatically generated
 453                 ifconfig "$ifname" hw ether "$macaddr"
 454         fi
 455
 456         json_select ..
 457 }
 458
 459 mac80211_setup_supplicant() {
 460         wpa_supplicant_prepare_interface "$ifname" nl80211 || return 1
 461         wpa_supplicant_add_network "$ifname"
 462         wpa_supplicant_run "$ifname" ${hostapd_ctrl:+-H $hostapd_ctrl}
 463 }
 464
 465 mac80211_setup_adhoc() {
 466         json_get_vars bssid ssid key mcast_rate
 467
 468         keyspec=
 469         [ "$auth_type" == "wep" ] && {
 470                 set_default key 1
 471                 case "$key" in
 472                         [1234])
 473                                 local idx
 474                                 for idx in 1 2 3 4; do
 475                                         json_get_var ikey "key$idx"
 476
 477                                         [ -n "$ikey" ] && {
 478                                                 ikey="$(($idx - 1)):$(prepare_key_wep "$ikey")"
 479                                                 [ $idx -eq $key ] && ikey="d:$ikey"
 480                                                 append keyspec "$ikey"
 481                                         }
 482                                 done
 483                         ;;
 484                         *)
 485                                 append keyspec "d:0:$(prepare_key_wep "$key")"
 486                         ;;
 487                 esac
 488         }
 489
 490         brstr=
 491         for br in $basic_rate_list; do
 492                 hostapd_add_rate brstr "$br"
 493         done
 494
 495         mcval=
 496         [ -n "$mcast_rate" ] && hostapd_add_rate mcval "$mcast_rate"
 497
 498         iw dev "$ifname" ibss join "$ssid" $freq $htmode fixed-freq $bssid \
 499                 ${beacon_int:+beacon-interval $beacon_int} \
 500                 ${brstr:+basic-rates $brstr} \
 501                 ${mcval:+mcast-rate $mcval} \
 502                 ${keyspec:+keys $keyspec}
 503 }
 504
 505 mac80211_setup_vif() {
 506         local name="$1"
 507         local failed
 508
 509         json_select data
 510         json_get_vars ifname
 511         json_select ..
 512
 513         json_select config
 514         json_get_vars mode
 515         json_get_var vif_txpower txpower
 516
 517         ifconfig "$ifname" up || {
 518                 wireless_setup_vif_failed IFUP_ERROR
 519                 json_select ..
 520                 return
 521         }
 522
 523         set_default vif_txpower "$txpower"
 524         [ -z "$vif_txpower" ] || iw dev "$ifname" set txpower fixed "${vif_txpower%%.*}00"
 525
 526         case "$mode" in
 527                 mesh)
 528                         for var in $MP_CONFIG_INT $MP_CONFIG_BOOL $MP_CONFIG_STRING; do
 529                                 json_get_var mp_val "$var"
 530                                 [ -n "$mp_val" ] && iw dev "$ifname" set mesh_param "$var" "$mp_val"
 531                         done
 532
 533                         # authsae
 534                         json_get_vars key
 535                         if [ -n "$key" ]; then
 536                                 if [ -e "/lib/wifi/authsae.sh" ]; then
 537                                         . /lib/wifi/authsae.sh
 538                                         authsae_start_interface || failed=1
 539                                 else
 540                                         wireless_setup_vif_failed AUTHSAE_NOT_INSTALLED
 541                                         json_select ..
 542                                         return
 543                                 fi
 544                         fi
 545                 ;;
 546                 adhoc)
 547                         wireless_vif_parse_encryption
 548                         if [ "$wpa" -gt 0 -o "$auto_channel" -gt 0 ]; then
 549                                 mac80211_setup_supplicant || failed=1
 550                         else
 551                                 mac80211_setup_adhoc
 552                         fi
 553                 ;;
 554                 sta)
 555                         mac80211_setup_supplicant || failed=1
 556                 ;;
 557         esac
 558
 559         json_select ..
 560         [ -n "$failed" ] || wireless_add_vif "$name" "$ifname"
 561 }
 562
 563 get_freq() {
 564         local phy="$1"
 565         local chan="$2"
 566         iw "$phy" info | grep -E -m1 "(\* ${chan:-....} MHz${chan:+|\\[$chan\\]})" | grep MHz | awk '{print $2}'
 567 }
 568
 569 mac80211_interface_cleanup() {
 570         local phy="$1"
 571
 572         for wdev in $(list_phy_interfaces "$phy"); do
 573                 ifconfig "$wdev" down 2>/dev/null
 574                 iw dev "$wdev" del
 575         done
 576 }
 577
 578 drv_mac80211_cleanup() {
 579         hostapd_common_cleanup
 580 }
 581
 582 drv_mac80211_setup() {
 583         json_select config
 584         json_get_vars \
 585                 phy macaddr path \
 586                 country chanbw distance \
 587                 txpower antenna_gain \
 588                 rxantenna txantenna \
 589                 frag rts beacon_int
 590         json_get_values basic_rate_list basic_rate
 591         json_select ..
 592
 593         find_phy || {
 594                 echo "Could not find PHY for device '$1'"
 595                 wireless_set_retry 0
 596                 return 1
 597         }
 598
 599         wireless_set_data phy="$phy"
 600         mac80211_interface_cleanup "$phy"
 601
 602         # convert channel to frequency
 603         [ "$auto_channel" -gt 0 ] || freq="$(get_freq "$phy" "$channel")"
 604
 605         [ -n "$country" ] && {
 606                 iw reg get | grep -q "^country $country:" || {
 607                         iw reg set "$country"
 608                         sleep 1
 609                 }
 610         }
 611
 612         hostapd_conf_file="/var/run/hostapd-$phy.conf"
 613
 614         no_ap=1
 615         macidx=0
 616         staidx=0
 617
 618         [ -n "$chanbw" ] && {
 619                 for file in /sys/kernel/debug/ieee80211/$phy/ath9k/chanbw /sys/kernel/debug/ieee80211/$phy/ath5k/bwmode; do
 620                         [ -f "$file" ] && echo "$chanbw" > "$file"
 621                 done
 622         }
 623
 624         set_default rxantenna all
 625         set_default txantenna all
 626         set_default distance 0
 627         set_default antenna_gain 0
 628
 629         iw phy "$phy" set antenna $txantenna $rxantenna >/dev/null 2>&1
 630         iw phy "$phy" set antenna_gain $antenna_gain
 631         iw phy "$phy" set distance "$distance"
 632
 633         [ -n "$frag" ] && iw phy "$phy" set frag "${frag%%.*}"
 634         [ -n "$rts" ] && iw phy "$phy" set rts "${rts%%.*}"
 635
 636         has_ap=
 637         hostapd_ctrl=
 638         for_each_interface "ap" mac80211_check_ap
 639
 640         rm -f "$hostapd_conf_file"
 641         [ -n "$has_ap" ] && mac80211_hostapd_setup_base "$phy"
 642
 643         for_each_interface "sta adhoc mesh monitor" mac80211_prepare_vif
 644         for_each_interface "ap" mac80211_prepare_vif
 645
 646         [ -n "$hostapd_ctrl" ] && {
 647                 /usr/sbin/hostapd -P /var/run/wifi-$phy.pid -B "$hostapd_conf_file"
 648                 ret="$?"
 649                 wireless_add_process "$(cat /var/run/wifi-$phy.pid)" "/usr/sbin/hostapd" 1
 650                 [ "$ret" != 0 ] && {
 651                         wireless_setup_failed HOSTAPD_START_FAILED
 652                         return
 653                 }
 654         }
 655
 656         for_each_interface "ap sta adhoc mesh monitor" mac80211_setup_vif
 657
 658         wireless_set_up
 659 }
 660
 661 list_phy_interfaces() {
 662         local phy="$1"
 663         if [ -d "/sys/class/ieee80211/${phy}/device/net" ]; then
 664                 ls "/sys/class/ieee80211/${phy}/device/net" 2>/dev/null;
 665         else
 666                 ls "/sys/class/ieee80211/${phy}/device" 2>/dev/null | grep net: | sed -e 's,net:,,g'
 667         fi
 668 }
 669
 670 drv_mac80211_teardown() {
 671         wireless_process_kill_all
 672
 673         json_select data
 674         json_get_vars phy
 675         json_select ..
 676
 677         mac80211_interface_cleanup "$phy"
 678 }
 679
 680 add_driver mac80211