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         config_add_boolean \
  41                 ldpc \
  42                 greenfield \
  43                 short_gi_20 \
  44                 short_gi_40 \
  45                 smps \
  46                 max_amsdu \
  47                 dsss_cck_40
  48 }
  49
  50 drv_mac80211_init_iface_config() {
  51         hostapd_common_add_bss_config
  52
  53         config_add_string 'macaddr:macaddr' ifname
  54
  55         config_add_boolean wds powersave
  56         config_add_int maxassoc
  57         config_add_int max_listen_int
  58         config_add_int dtim_period
  59
  60         # mesh
  61         config_add_string mesh_id
  62         config_add_int $MP_CONFIG_INT
  63         config_add_boolean $MP_CONFIG_BOOL
  64         config_add_string $MP_CONFIG_STRING
  65 }
  66
  67 mac80211_add_capabilities() {
  68         local __var="$1"; shift
  69         local __mask="$1"; shift
  70         local __out= oifs
  71
  72         oifs="$IFS"
  73         IFS=:
  74         for capab in "$@"; do
  75                 set -- $capab
  76
  77                 [ "$(($4))" -gt 0 ] || continue
  78                 [ "$(($__mask & $2))" -eq "$((${3:-$2}))" ] || continue
  79                 __out="$__out[$1]"
  80         done
  81         IFS="$oifs"
  82
  83         export -n -- "$__var=$__out"
  84 }
  85
  86 mac80211_hostapd_setup_base() {
  87         local phy="$1"
  88
  89         json_select config
  90
  91         [ "$auto_channel" -gt 0 ] && channel=acs_survey
  92
  93         json_get_vars noscan
  94         json_get_values ht_capab_list ht_capab
  95
  96         ieee80211n=1
  97         ht_capab=
  98         case "$htmode" in
  99                 VHT20|HT20) ;;
 100                 HT40*|VHT40|VHT80|VHT160)
 101                         case "$hwmode" in
 102                                 a)
 103                                         case "$(( ($channel / 4) % 2 ))" in
 104                                                 1) ht_capab="[HT40+]";;
 105                                                 0) ht_capab="[HT40-]";;
 106                                         esac
 107                                 ;;
 108                                 *)
 109                                         case "$htmode" in
 110                                                 HT40+) ht_capab="[HT40+]";;
 111                                                 HT40-) ht_capab="[HT40-]";;
 112                                                 *)
 113                                                         if [ "$channel" -lt 7 ]; then
 114                                                                 ht_capab="[HT40+]"
 115                                                         else
 116                                                                 ht_capab="[HT40-]"
 117                                                         fi
 118                                                 ;;
 119                                         esac
 120                                 ;;
 121                         esac
 122                         [ "$auto_channel" -gt 0 ] && ht_capab="[HT40+]"
 123                 ;;
 124                 *) ieee80211n= ;;
 125         esac
 126
 127         [ -n "$ieee80211n" ] && {
 128                 append base_cfg "ieee80211n=1" "$N"
 129
 130                 json_get_vars \
 131                         ldpc:1 \
 132                         greenfield:0 \
 133                         short_gi_20:1 \
 134                         short_gi_40:1 \
 135                         smps:1 \
 136                         tx_stbc:1 \
 137                         rx_stbc:3 \
 138                         max_amsdu:1 \
 139                         dsss_cck_40:1
 140
 141                 ht_cap_mask=0
 142                 for cap in $(iw phy "$phy" info | grep 'Capabilities:' | cut -d: -f2); do
 143                         ht_cap_mask="$(($ht_cap_mask | $cap))"
 144                 done
 145
 146                 cap_smps=$((($ht_cap_mask >> 2) & 3))
 147
 148                 cap_rx_stbc=$((($ht_cap_mask >> 8) & 3))
 149                 [ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc="$rx_stbc"
 150                 ht_cap_mask="$(( ($ht_cap_mask & ~(0x300)) | ($cap_rx_stbc << 8) ))"
 151
 152                 mac80211_add_capabilities ht_capab_flags $ht_cap_mask \
 153                         LDPC:0x1::$ldpc \
 154                         GF:0x10::$greenfield \
 155                         SHORT-GI-20:0x20::$short_gi_20 \
 156                         SHORT-GI-40:0x40::$short_gi_40 \
 157                         TX-STBC:0x80::$tx_stbc \
 158                         RX-STBC1:0x300:0x100:1 \
 159                         RX-STBC12:0x300:0x200:1 \
 160                         RX-STBC123:0x300:0x300:1 \
 161                         MAX-AMSDU-7935:0x800::$max_amsdu \
 162                         DSSS_CCK-40:0x1000::$dsss_cck_40
 163
 164                 # SM Power Save: 0=static, 1=dynamic, 3=disabled
 165                 [ "$smps" = 1 -a "$cap_smps" = 0 ] && ht_capab_flags="$ht_capab_flags[SMPS-STATIC]"
 166                 [ "$smps" = 1 -a "$cap_smps" = 1 ] && ht_capab_flags="$ht_capab_flags[SMPS-DYNAMIC]"
 167
 168                 ht_capab="$ht_capab$ht_capab_flags"
 169                 [ -n "$ht_capab" ] && append base_cfg "ht_capab=$ht_capab" "$N"
 170         }
 171
 172         # 802.11ac
 173         enable_ac=0
 174         idx="$channel"
 175         case "$htmode" in
 176                 VHT20) enable_ac=1;;
 177                 VHT40)
 178                         case "$(( ($channel / 4) % 2 ))" in
 179                                 1) idx=$(($channel + 2));;
 180                                 0) idx=$(($channel - 2));;
 181                         esac
 182                         enable_ac=1
 183                         append base_cfg "vht_oper_chwidth=0" "$N"
 184                         append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
 185                 ;;
 186                 VHT80)
 187                         case "$(( ($channel / 4) % 4 ))" in
 188                                 1) idx=$(($channel + 6));;
 189                                 2) idx=$(($channel + 2));;
 190                                 3) idx=$(($channel - 2));;
 191                                 0) idx=$(($channel - 6));;
 192                         esac
 193                         enable_ac=1
 194                         append base_cfg "vht_oper_chwidth=1" "$N"
 195                         append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
 196                 ;;
 197                 VHT160)
 198                         case "$channel" in
 199                                 36|40|44|48|52|56|60|64) idx=50;;
 200                                 100|104|108|112|116|120|124|128) idx=114;;
 201                         esac
 202                         enable_ac=1
 203                         append base_cfg "vht_oper_chwidth=2" "$N"
 204                         append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
 205                 ;;
 206         esac
 207
 208         if [ "$enable_ac" != "0" ]; then
 209                 json_get_vars \
 210                         rxldpc:1 \
 211                         short_gi_80:1 \
 212                         short_gi_160:1 \
 213                         tx_stbc_2by1:1 \
 214                         su_beamformer:1 \
 215                         su_beamformee:1 \
 216                         mu_beamformer:1 \
 217                         mu_beamformee:1 \
 218                         vht_txop_ps:1 \
 219                         htc_vht:1 \
 220                         rx_antenna_pattern:1 \
 221                         tx_antenna_pattern:1 \
 222                         vht_max_a_mpdu_len_exp:7 \
 223                         vht_max_mpdu:11454 \
 224                         rx_stbc:4 \
 225                         tx_stbc:4 \
 226                         vht_link_adapt:3 \
 227                         vht160:2
 228
 229                 append base_cfg "ieee80211ac=1" "$N"
 230                 vht_cap=0
 231                 for cap in $(iw phy "$phy" info | awk -F "[()]" '/VHT Capabilities/ { print $2 }'); do
 232                         vht_cap="$(($vht_cap | $cap))"
 233                 done
 234
 235                 cap_rx_stbc=$((($vht_cap >> 8) & 7))
 236                 [ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc="$rx_stbc"
 237                 ht_cap_mask="$(( ($vht_cap & ~(0x700)) | ($cap_rx_stbc << 8) ))"
 238
 239                 mac80211_add_capabilities vht_capab $vht_cap \
 240                         RXLDPC:0x10::$rxldpc \
 241                         SHORT-GI-80:0x20::$short_gi_80 \
 242                         SHORT-GI-160:0x40::$short_gi_160 \
 243                         TX-STBC-2BY1:0x80::$tx_stbc \
 244                         SU-BEAMFORMER:0x800::$su_beamformer \
 245                         SU-BEAMFORMEE:0x1000::$su_beamformee \
 246                         MU-BEAMFORMER:0x80000::$mu_beamformer \
 247                         MU-BEAMFORMEE:0x100000::$mu_beamformee \
 248                         VHT-TXOP-PS:0x200000::$vht_txop_ps \
 249                         HTC-VHT:0x400000::$htc_vht \
 250                         RX-ANTENNA-PATTERN:0x10000000::$rx_antenna_pattern \
 251                         TX-ANTENNA-PATTERN:0x20000000::$tx_antenna_pattern \
 252                         RX-STBC1:0x700:0x100:1 \
 253                         RX-STBC12:0x700:0x200:1 \
 254                         RX-STBC123:0x700:0x300:1 \
 255                         RX-STBC1234:0x700:0x400:1 \
 256
 257                 # supported Channel widths
 258                 vht160_hw=0
 259                 [ "$(($vht_cap & 12))" -eq 4 -a 1 -le "$vht160" ] && \
 260                         vht160_hw=1
 261                 [ "$(($vht_cap & 12))" -eq 8 -a 2 -le "$vht160" ] && \
 262                         vht160_hw=2
 263                 [ "$vht160_hw" = 1 ] && vht_capab="$vht_capab[VHT160]"
 264                 [ "$vht160_hw" = 2 ] && vht_capab="$vht_capab[VHT160-80PLUS80]"
 265
 266                 # maximum MPDU length
 267                 vht_max_mpdu_hw=3895
 268                 [ "$(($vht_cap & 3))" -ge 1 -a 7991 -le "$vht_max_mpdu" ] && \
 269                         vht_max_mpdu_hw=7991
 270                 [ "$(($vht_cap & 3))" -ge 2 -a 11454 -le "$vht_max_mpdu" ] && \
 271                         vht_max_mpdu_hw=11454
 272                 [ "$vht_max_mpdu_hw" != 3895 ] && \
 273                         vht_capab="$vht_capab[MAX-MPDU-$vht_max_mpdu_hw]"
 274
 275                 # maximum A-MPDU length exponent
 276                 vht_max_a_mpdu_len_exp_hw=0
 277                 [ "$(($vht_cap & 58720256))" -ge 8388608 -a 1 -le "$vht_max_a_mpdu_len_exp" ] && \
 278                         vht_max_a_mpdu_len_exp_hw=1
 279                 [ "$(($vht_cap & 58720256))" -ge 16777216 -a 2 -le "$vht_max_a_mpdu_len_exp" ] && \
 280                         vht_max_a_mpdu_len_exp_hw=2
 281                 [ "$(($vht_cap & 58720256))" -ge 25165824 -a 3 -le "$vht_max_a_mpdu_len_exp" ] && \
 282                         vht_max_a_mpdu_len_exp_hw=3
 283                 [ "$(($vht_cap & 58720256))" -ge 33554432 -a 4 -le "$vht_max_a_mpdu_len_exp" ] && \
 284                         vht_max_a_mpdu_len_exp_hw=4
 285                 [ "$(($vht_cap & 58720256))" -ge 41943040 -a 5 -le "$vht_max_a_mpdu_len_exp" ] && \
 286                         vht_max_a_mpdu_len_exp_hw=5
 287                 [ "$(($vht_cap & 58720256))" -ge 50331648 -a 6 -le "$vht_max_a_mpdu_len_exp" ] && \
 288                         vht_max_a_mpdu_len_exp_hw=6
 289                 [ "$(($vht_cap & 58720256))" -ge 58720256 -a 7 -le "$vht_max_a_mpdu_len_exp" ] && \
 290                         vht_max_a_mpdu_len_exp_hw=7
 291                 vht_capab="$vht_capab[MAX-A-MPDU-LEN-EXP$vht_max_a_mpdu_len_exp_hw]"
 292
 293                 # whether or not the STA supports link adaptation using VHT variant
 294                 vht_link_adapt_hw=0
 295                 [ "$(($vht_cap & 201326592))" -ge 134217728 -a 2 -le "$vht_link_adapt" ] && \
 296                         vht_link_adapt_hw=2
 297                 [ "$(($vht_cap & 201326592))" -ge 201326592 -a 3 -le "$vht_link_adapt" ] && \
 298                         vht_link_adapt_hw=3
 299                 [ "$vht_link_adapt_hw" != 0 ] && \
 300                         vht_capab="$vht_capab[VHT-LINK-ADAPT-$vht_link_adapt_hw]"
 301
 302                 [ -n "$vht_capab" ] && append base_cfg "vht_capab=$vht_capab" "$N"
 303         fi
 304
 305         hostapd_prepare_device_config "$hostapd_conf_file" nl80211
 306         cat >> "$hostapd_conf_file" <<EOF
 307 ${channel:+channel=$channel}
 308 ${noscan:+noscan=$noscan}
 309 $base_cfg
 310
 311 EOF
 312         json_select ..
 313 }
 314
 315 mac80211_hostapd_setup_bss() {
 316         local phy="$1"
 317         local ifname="$2"
 318         local macaddr="$3"
 319         local type="$4"
 320
 321         hostapd_cfg=
 322         append hostapd_cfg "$type=$ifname" "$N"
 323
 324         hostapd_set_bss_options hostapd_cfg "$vif" || return 1
 325         json_get_vars wds dtim_period max_listen_int
 326
 327         set_default wds 0
 328
 329         [ "$wds" -gt 0 ] && append hostapd_cfg "wds_sta=1" "$N"
 330         [ "$staidx" -gt 0 ] && append hostapd_cfg "start_disabled=1" "$N"
 331
 332         cat >> /var/run/hostapd-$phy.conf <<EOF
 333 $hostapd_cfg
 334 bssid=$macaddr
 335 ${dtim_period:+dtim_period=$dtim_period}
 336 ${max_listen_int:+max_listen_interval=$max_listen_int}
 337 EOF
 338 }
 339
 340 mac80211_get_addr() {
 341         local phy="$1"
 342         local idx="$(($2 + 1))"
 343
 344         head -n $(($macidx + 1)) /sys/class/ieee80211/${phy}/addresses | tail -n1
 345 }
 346
 347 mac80211_generate_mac() {
 348         local phy="$1"
 349         local id="${macidx:-0}"
 350
 351         local ref="$(cat /sys/class/ieee80211/${phy}/macaddress)"
 352         local mask="$(cat /sys/class/ieee80211/${phy}/address_mask)"
 353
 354         [ "$mask" = "00:00:00:00:00:00" ] && {
 355                 mask="ff:ff:ff:ff:ff:ff";
 356
 357                 [ "$(wc -l < /sys/class/ieee80211/${phy}/addresses)" -gt 1 ] && {
 358                         addr="$(mac80211_get_addr "$phy" "$id")"
 359                         [ -n "$addr" ] && {
 360                                 echo "$addr"
 361                                 return
 362                         }
 363                 }
 364         }
 365
 366         local oIFS="$IFS"; IFS=":"; set -- $mask; IFS="$oIFS"
 367
 368         local mask1=$1
 369         local mask6=$6
 370
 371         local oIFS="$IFS"; IFS=":"; set -- $ref; IFS="$oIFS"
 372
 373         macidx=$(($id + 1))
 374         [ "$((0x$mask1))" -gt 0 ] && {
 375                 b1="0x$1"
 376                 [ "$id" -gt 0 ] && \
 377                         b1=$(($b1 ^ ((($id - 1) << 2) | 0x2)))
 378                 printf "%02x:%s:%s:%s:%s:%s" $b1 $2 $3 $4 $5 $6
 379                 return
 380         }
 381
 382         [ "$((0x$mask6))" -lt 255 ] && {
 383                 printf "%s:%s:%s:%s:%s:%02x" $1 $2 $3 $4 $5 $(( 0x$6 ^ $id ))
 384                 return
 385         }
 386
 387         off2=$(( (0x$6 + $id) / 0x100 ))
 388         printf "%s:%s:%s:%s:%02x:%02x" \
 389                 $1 $2 $3 $4 \
 390                 $(( (0x$5 + $off2) % 0x100 )) \
 391                 $(( (0x$6 + $id) % 0x100 ))
 392 }
 393
 394 find_phy() {
 395         [ -n "$phy" -a -d /sys/class/ieee80211/$phy ] && return 0
 396         [ -n "$path" ] && {
 397                 for phy in /sys/devices/$path/ieee80211/phy*; do
 398                         [ -e "$phy" ] && {
 399                                 phy="${phy##*/}"
 400                                 return 0
 401                         }
 402                 done
 403         }
 404         [ -n "$macaddr" ] && {
 405                 for phy in $(ls /sys/class/ieee80211 2>/dev/null); do
 406                         grep -i -q "$macaddr" "/sys/class/ieee80211/${phy}/macaddress" && return 0
 407                 done
 408         }
 409         return 1
 410 }
 411
 412 mac80211_check_ap() {
 413         has_ap=1
 414 }
 415
 416 mac80211_prepare_vif() {
 417         json_select config
 418
 419         json_get_vars ifname mode ssid wds powersave macaddr
 420
 421         [ -n "$ifname" ] || ifname="wlan${phy#phy}${if_idx:+-$if_idx}"
 422         if_idx=$((${if_idx:-0} + 1))
 423
 424         set_default wds 0
 425         set_default powersave 0
 426
 427         json_select ..
 428
 429         [ -n "$macaddr" ] || {
 430                 macaddr="$(mac80211_generate_mac $phy)"
 431                 macidx="$(($macidx + 1))"
 432         }
 433
 434         json_add_object data
 435         json_add_string ifname "$ifname"
 436         json_close_object
 437         json_select config
 438
 439         # It is far easier to delete and create the desired interface
 440         case "$mode" in
 441                 adhoc)
 442                         iw phy "$phy" interface add "$ifname" type adhoc
 443                 ;;
 444                 ap)
 445                         # Hostapd will handle recreating the interface and
 446                         # subsequent virtual APs belonging to the same PHY
 447                         if [ -n "$hostapd_ctrl" ]; then
 448                                 type=bss
 449                         else
 450                                 type=interface
 451                         fi
 452
 453                         mac80211_hostapd_setup_bss "$phy" "$ifname" "$macaddr" "$type" || return
 454
 455                         [ -n "$hostapd_ctrl" ] || {
 456                                 iw phy "$phy" interface add "$ifname" type managed
 457                                 hostapd_ctrl="${hostapd_ctrl:-/var/run/hostapd/$ifname}"
 458                         }
 459                 ;;
 460                 mesh)
 461                         json_get_vars key mesh_id
 462                         if [ -n "$key" ]; then
 463                                 iw phy "$phy" interface add "$ifname" type mp
 464                         else
 465                                 iw phy "$phy" interface add "$ifname" type mp mesh_id "$mesh_id"
 466                         fi
 467                 ;;
 468                 monitor)
 469                         iw phy "$phy" interface add "$ifname" type monitor
 470                 ;;
 471                 sta)
 472                         local wdsflag=
 473                         staidx="$(($staidx + 1))"
 474                         [ "$wds" -gt 0 ] && wdsflag="4addr on"
 475                         iw phy "$phy" interface add "$ifname" type managed $wdsflag
 476                         [ "$powersave" -gt 0 ] && powersave="on" || powersave="off"
 477                         iw "$ifname" set power_save "$powersave"
 478                 ;;
 479         esac
 480
 481         case "$mode" in
 482                 monitor|mesh)
 483                         [ "$auto_channel" -gt 0 ] || iw dev "$ifname" set channel "$channel" $htmode
 484                 ;;
 485         esac
 486
 487         if [ "$mode" != "ap" ]; then
 488                 # ALL ap functionality will be passed to hostapd
 489                 # All interfaces must have unique mac addresses
 490                 # which can either be explicitly set in the device
 491                 # section, or automatically generated
 492                 ifconfig "$ifname" hw ether "$macaddr"
 493         fi
 494
 495         json_select ..
 496 }
 497
 498 mac80211_setup_supplicant() {
 499         wpa_supplicant_prepare_interface "$ifname" nl80211 || return 1
 500         wpa_supplicant_add_network "$ifname"
 501         wpa_supplicant_run "$ifname" ${hostapd_ctrl:+-H $hostapd_ctrl}
 502 }
 503
 504 mac80211_setup_adhoc_htmode() {
 505         case "$htmode" in
 506                 VHT20|HT20) ibss_htmode=HT20;;
 507                 HT40*|VHT40|VHT80|VHT160)
 508                         case "$hwmode" in
 509                                 a)
 510                                         case "$(( ($channel / 4) % 2 ))" in
 511                                                 1) ibss_htmode="HT40+" ;;
 512                                                 0) ibss_htmode="HT40-";;
 513                                         esac
 514                                 ;;
 515                                 *)
 516                                         case "$htmode" in
 517                                                 HT40+) ibss_htmode="HT40+";;
 518                                                 HT40-) ibss_htmode="HT40-";;
 519                                                 *)
 520                                                         if [ "$channel" -lt 7 ]; then
 521                                                                 ibss_htmode="HT40+"
 522                                                         else
 523                                                                 ibss_htmode="HT40-"
 524                                                         fi
 525                                                 ;;
 526                                         esac
 527                                 ;;
 528                         esac
 529                         [ "$auto_channel" -gt 0 ] && ibss_htmode="HT40+"
 530                 ;;
 531                 *) ibss_htmode="" ;;
 532         esac
 533
 534 }
 535
 536 mac80211_setup_adhoc() {
 537         json_get_vars bssid ssid key mcast_rate
 538
 539         keyspec=
 540         [ "$auth_type" = "wep" ] && {
 541                 set_default key 1
 542                 case "$key" in
 543                         [1234])
 544                                 local idx
 545                                 for idx in 1 2 3 4; do
 546                                         json_get_var ikey "key$idx"
 547
 548                                         [ -n "$ikey" ] && {
 549                                                 ikey="$(($idx - 1)):$(prepare_key_wep "$ikey")"
 550                                                 [ $idx -eq $key ] && ikey="d:$ikey"
 551                                                 append keyspec "$ikey"
 552                                         }
 553                                 done
 554                         ;;
 555                         *)
 556                                 append keyspec "d:0:$(prepare_key_wep "$key")"
 557                         ;;
 558                 esac
 559         }
 560
 561         brstr=
 562         for br in $basic_rate_list; do
 563                 wpa_supplicant_add_rate brstr "$br"
 564         done
 565
 566         mcval=
 567         [ -n "$mcast_rate" ] && wpa_supplicant_add_rate mcval "$mcast_rate"
 568
 569         iw dev "$ifname" ibss join "$ssid" $freq $ibss_htmode fixed-freq $bssid \
 570                 ${beacon_int:+beacon-interval $beacon_int} \
 571                 ${brstr:+basic-rates $brstr} \
 572                 ${mcval:+mcast-rate $mcval} \
 573                 ${keyspec:+keys $keyspec}
 574 }
 575
 576 mac80211_setup_vif() {
 577         local name="$1"
 578         local failed
 579
 580         json_select data
 581         json_get_vars ifname
 582         json_select ..
 583
 584         json_select config
 585         json_get_vars mode
 586         json_get_var vif_txpower txpower
 587
 588         ifconfig "$ifname" up || {
 589                 wireless_setup_vif_failed IFUP_ERROR
 590                 json_select ..
 591                 return
 592         }
 593
 594         set_default vif_txpower "$txpower"
 595         [ -z "$vif_txpower" ] || iw dev "$ifname" set txpower fixed "${vif_txpower%%.*}00"
 596
 597         case "$mode" in
 598                 mesh)
 599                         for var in $MP_CONFIG_INT $MP_CONFIG_BOOL $MP_CONFIG_STRING; do
 600                                 json_get_var mp_val "$var"
 601                                 [ -n "$mp_val" ] && iw dev "$ifname" set mesh_param "$var" "$mp_val"
 602                         done
 603
 604                         # authsae
 605                         json_get_vars key
 606                         if [ -n "$key" ]; then
 607                                 if [ -e "/lib/wifi/authsae.sh" ]; then
 608                                         . /lib/wifi/authsae.sh
 609                                         authsae_start_interface || failed=1
 610                                 else
 611                                         wireless_setup_vif_failed AUTHSAE_NOT_INSTALLED
 612                                         json_select ..
 613                                         return
 614                                 fi
 615                         fi
 616                 ;;
 617                 adhoc)
 618                         wireless_vif_parse_encryption
 619                         mac80211_setup_adhoc_htmode
 620                         if [ "$wpa" -gt 0 -o "$auto_channel" -gt 0 ]; then
 621                                 mac80211_setup_supplicant || failed=1
 622                         else
 623                                 mac80211_setup_adhoc
 624                         fi
 625                 ;;
 626                 sta)
 627                         mac80211_setup_supplicant || failed=1
 628                 ;;
 629         esac
 630
 631         json_select ..
 632         [ -n "$failed" ] || wireless_add_vif "$name" "$ifname"
 633 }
 634
 635 get_freq() {
 636         local phy="$1"
 637         local chan="$2"
 638         iw "$phy" info | grep -E -m1 "(\* ${chan:-....} MHz${chan:+|\\[$chan\\]})" | grep MHz | awk '{print $2}'
 639 }
 640
 641 mac80211_interface_cleanup() {
 642         local phy="$1"
 643
 644         for wdev in $(list_phy_interfaces "$phy"); do
 645                 ifconfig "$wdev" down 2>/dev/null
 646                 iw dev "$wdev" del
 647         done
 648 }
 649
 650 drv_mac80211_cleanup() {
 651         hostapd_common_cleanup
 652 }
 653
 654 drv_mac80211_setup() {
 655         json_select config
 656         json_get_vars \
 657                 phy macaddr path \
 658                 country chanbw distance \
 659                 txpower antenna_gain \
 660                 rxantenna txantenna \
 661                 frag rts beacon_int htmode
 662         json_get_values basic_rate_list basic_rate
 663         json_select ..
 664
 665         find_phy || {
 666                 echo "Could not find PHY for device '$1'"
 667                 wireless_set_retry 0
 668                 return 1
 669         }
 670
 671         wireless_set_data phy="$phy"
 672         mac80211_interface_cleanup "$phy"
 673
 674         # convert channel to frequency
 675         [ "$auto_channel" -gt 0 ] || freq="$(get_freq "$phy" "$channel")"
 676
 677         [ -n "$country" ] && {
 678                 iw reg get | grep -q "^country $country:" || {
 679                         iw reg set "$country"
 680                         sleep 1
 681                 }
 682         }
 683
 684         hostapd_conf_file="/var/run/hostapd-$phy.conf"
 685
 686         no_ap=1
 687         macidx=0
 688         staidx=0
 689
 690         [ -n "$chanbw" ] && {
 691                 for file in /sys/kernel/debug/ieee80211/$phy/ath9k/chanbw /sys/kernel/debug/ieee80211/$phy/ath5k/bwmode; do
 692                         [ -f "$file" ] && echo "$chanbw" > "$file"
 693                 done
 694         }
 695
 696         set_default rxantenna all
 697         set_default txantenna all
 698         set_default distance 0
 699         set_default antenna_gain 0
 700
 701         iw phy "$phy" set antenna $txantenna $rxantenna >/dev/null 2>&1
 702         iw phy "$phy" set antenna_gain $antenna_gain
 703         iw phy "$phy" set distance "$distance"
 704
 705         [ -n "$frag" ] && iw phy "$phy" set frag "${frag%%.*}"
 706         [ -n "$rts" ] && iw phy "$phy" set rts "${rts%%.*}"
 707
 708         has_ap=
 709         hostapd_ctrl=
 710         for_each_interface "ap" mac80211_check_ap
 711
 712         rm -f "$hostapd_conf_file"
 713         [ -n "$has_ap" ] && mac80211_hostapd_setup_base "$phy"
 714
 715         for_each_interface "sta adhoc mesh monitor" mac80211_prepare_vif
 716         for_each_interface "ap" mac80211_prepare_vif
 717
 718         [ -n "$hostapd_ctrl" ] && {
 719                 /usr/sbin/hostapd -P /var/run/wifi-$phy.pid -B "$hostapd_conf_file"
 720                 ret="$?"
 721                 wireless_add_process "$(cat /var/run/wifi-$phy.pid)" "/usr/sbin/hostapd" 1
 722                 [ "$ret" != 0 ] && {
 723                         wireless_setup_failed HOSTAPD_START_FAILED
 724                         return
 725                 }
 726         }
 727
 728         for_each_interface "ap sta adhoc mesh monitor" mac80211_setup_vif
 729
 730         wireless_set_up
 731 }
 732
 733 list_phy_interfaces() {
 734         local phy="$1"
 735         if [ -d "/sys/class/ieee80211/${phy}/device/net" ]; then
 736                 ls "/sys/class/ieee80211/${phy}/device/net" 2>/dev/null;
 737         else
 738                 ls "/sys/class/ieee80211/${phy}/device" 2>/dev/null | grep net: | sed -e 's,net:,,g'
 739         fi
 740 }
 741
 742 drv_mac80211_teardown() {
 743         wireless_process_kill_all
 744
 745         json_select data
 746         json_get_vars phy
 747         json_select ..
 748
 749         mac80211_interface_cleanup "$phy"
 750 }
 751
 752 add_driver mac80211