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 "$(( ($channel / 4) % 2 ))" in
  95                                         1) ht_capab="[HT40+]";;
  96                                         0) ht_capab="[HT40-]";;
  97                                 esac
  98                         ;;
  99                         *) ieee80211n= ;;
 100                 esac
 101
 102                 [ -n "$ieee80211n" ] && {
 103                         append base_cfg "ieee80211n=1" "$N"
 104
 105                         json_get_vars \
 106                                 ldpc:1 \
 107                                 greenfield:1 \
 108                                 short_gi_20:1 \
 109                                 short_gi_40:1 \
 110                                 tx_stbc:1 \
 111                                 rx_stbc:3 \
 112                                 dsss_cck_40:1
 113
 114                         ht_cap_mask=0
 115                         for cap in $(iw phy "$phy" info | grep 'Capabilities:' | cut -d: -f2); do
 116                                 ht_cap_mask="$(($ht_cap_mask | $cap))"
 117                         done
 118
 119                         cap_rx_stbc=$((($ht_cap_mask >> 8) & 3))
 120                         [ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc="$rx_stbc"
 121                         ht_cap_mask="$(( ($ht_cap_mask & ~(0x300)) | ($cap_rx_stbc << 8) ))"
 122
 123                         mac80211_add_capabilities ht_capab_flags $ht_cap_mask \
 124                                 LDPC:0x1::$ldpc \
 125                                 GF:0x10::$greenfield \
 126                                 SHORT-GI-20:0x20::$short_gi_20 \
 127                                 SHORT-GI-40:0x40::$short_gi_40 \
 128                                 TX-STBC:0x80::$max_tx_stbc \
 129                                 RX-STBC1:0x300:0x100:1 \
 130                                 RX-STBC12:0x300:0x200:1 \
 131                                 RX-STBC123:0x300:0x300:1 \
 132                                 DSSS_CCK-40:0x1000::$dsss_cck_40
 133
 134                         [ -n "$ht_capab" ] && append base_cfg "ht_capab=$ht_capab$ht_capab_flags" "$N"
 135                 }
 136
 137                 # 802.11ac
 138                 enable_ac=0
 139                 idx="$channel"
 140                 case "$htmode" in
 141                         VHT40)
 142                                 case "$(( ($channel / 4) % 2 ))" in
 143                                         1) idx=$(($channel + 2));;
 144                                         0) idx=$(($channel - 2));;
 145                                 esac
 146                                 enable_ac=1
 147                                 append base_cfg "vht_oper_chwidth=0" "$N"
 148                                 append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
 149                         ;;
 150                         VHT80)
 151                                 case "$(( ($channel / 4) % 2 ))" in
 152                                         1) idx=$(($channel + 6));;
 153                                         2) idx=$(($channel + 2));;
 154                                         3) idx=$(($channel - 2));;
 155                                         0) idx=$(($channel - 6));;
 156                                 esac
 157                                 enable_ac=1
 158                                 append base_cfg "vht_oper_chwidth=1" "$N"
 159                                 append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
 160                         ;;
 161                         VHT160)
 162                                 case "$channel" in
 163                                         36|40|44|48|52|56|60|64) idx=50;;
 164                                         100|104|108|112|116|120|124|128) idx=114;;
 165                                 esac
 166                                 enable_ac=1
 167                                 append base_cfg "vht_oper_chwidth=2" "$N"
 168                                 append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
 169                         ;;
 170                 esac
 171
 172                 if [ "$enable_ac" != "0" ]; then
 173                         json_get_vars \
 174                                 rxldpc:1 \
 175                                 short_gi_80:1 \
 176                                 short_gi_160:1 \
 177                                 tx_stbc_2by1:1 \
 178                                 su_beamformer:1 \
 179                                 su_beamformee:1 \
 180                                 mu_beamformer:1 \
 181                                 mu_beamformee:1 \
 182                                 vht_txop_ps:1 \
 183                                 htc_vht:1 \
 184                                 rx_antenna_pattern:1 \
 185                                 tx_antenna_pattern:1 \
 186                                 vht_max_mpdu:11454 \
 187                                 vht_max_rx_stbc:4 \
 188                                 vht_link_adapt:3 \
 189                                 vht160:2
 190
 191                         append base_cfg "ieee80211ac=1" "$N"
 192                         vht_capab=""
 193                         vht_cap=0
 194                         for cap in $(iw phy "$phy" info | awk -F "[()]" '/VHT Capabilities/ { print $2 }'); do
 195                                 vht_cap="$(($vht_cap | $cap))"
 196                         done
 197
 198                         # boolean
 199                         [ "$((($vht_cap & 16) * $rxldpc))" -eq 16 ] && \
 200                                 vht_capab="$vht_capab[RXLDPC]"
 201                         [ "$((($vht_cap & 32) * $short_gi_80))" -eq 32 ] && \
 202                                 vht_capab="$vht_capab[SHORT-GI-80]"
 203                         [ "$((($vht_cap & 64) * $short_gi_160))" -eq 64 ] && \
 204                                 vht_capab="$vht_capab[SHORT-GI-160]"
 205                         [ "$((($vht_cap & 128) * $tx_stbc_2by1))" -eq 128 ] && \
 206                                 vht_capab="$vht_capab[TX-STBC-2BY1]"
 207                         [ "$((($vht_cap & 2048) * $su_beamformer))" -eq 2048 ] && \
 208                                 vht_capab="$vht_capab[SU-BEAMFORMER]"
 209                         [ "$((($vht_cap & 4096) * $su_beamformee))" -eq 4096 ] && \
 210                                 vht_capab="$vht_capab[SU-BEAMFORMEE]"
 211                         [ "$((($vht_cap & 524288) * $mu_beamformer))" -eq 524288 ] && \
 212                                 vht_capab="$vht_capab[MU-BEAMFORMER]"
 213                         [ "$((($vht_cap & 1048576) * $mu_beamformee))" -eq 1048576 ] && \
 214                                 vht_capab="$vht_capab[MU-BEAMFORMEE]"
 215                         [ "$((($vht_cap & 2097152) * $vht_txop_ps))" -eq 2097152 ] && \
 216                                 vht_capab="$vht_capab[VHT-TXOP-PS]"
 217                         [ "$((($vht_cap & 4194304) * $htc_vht))" -eq 4194304 ] && \
 218                                 vht_capab="$vht_capab[HTC-VHT]"
 219                         [ "$((($vht_cap & 268435456) * $rx_antenna_pattern))" -eq 268435456 ] && \
 220                                 vht_capab="$vht_capab[RX-ANTENNA-PATTERN]"
 221                         [ "$((($vht_cap & 536870912) * $tx_antenna_pattern))" -eq 536870912 ] && \
 222                                 vht_capab="$vht_capab[TX-ANTENNA-PATTERN]"
 223
 224                         # supported Channel widths
 225                         vht160_hw=0
 226                         [ "$(($vht_cap & 12))" -eq 4 -a 1 -le "$vht160" ] && \
 227                                 vht160_hw=1
 228                         [ "$(($vht_cap & 12))" -eq 8 -a 2 -le "$vht160" ] && \
 229                                 vht160_hw=2
 230                         [ "$vht160_hw" = 1 ] && vht_capab="$vht_capab[VHT160]"
 231                         [ "$vht160_hw" = 2 ] && vht_capab="$vht_capab[VHT160-80PLUS80]"
 232
 233                         # maximum MPDU length
 234                         vht_max_mpdu_hw=3895
 235                         [ "$(($vht_cap & 3))" -ge 1 -a 7991 -le "$vht_max_mpdu" ] && \
 236                                 vht_max_mpdu_hw=7991
 237                         [ "$(($vht_cap & 3))" -ge 2 -a 11454 -le "$vht_max_mpdu" ] && \
 238                                 vht_max_mpdu_hw=11454
 239                         [ "$vht_max_mpdu_hw" != 3895 ] && \
 240                                 vht_capab="$vht_capab[MAX-MPDU-$vht_max_mpdu_hw]"
 241
 242                         # support for the reception of PPDUs using STBC
 243                         vht_max_rx_stbc_hw=0
 244                         [ "$(($vht_cap & 1792))" -ge 256 -a 1 -le "$vht_max_rx_stbc" ] && \
 245                                 vht_max_rx_stbc_hw=1
 246                         [ "$(($vht_cap & 1792))" -ge 512 -a 2 -le "$vht_max_rx_stbc" ] && \
 247                                 vht_max_rx_stbc_hw=2
 248                         [ "$(($vht_cap & 1792))" -ge 768 -a 3 -le "$vht_max_rx_stbc" ] && \
 249                                 vht_max_rx_stbc_hw=3
 250                         [ "$(($vht_cap & 1792))" -ge 1024 -a 4 -le "$vht_max_rx_stbc" ] && \
 251                                 vht_max_rx_stbc_hw=4
 252                         [ "$vht_max_rx_stbc_hw" = 1 ] && vht_capab="$vht_capab[RX-STBC-1]"
 253                         [ "$vht_max_rx_stbc_hw" = 2 ] && vht_capab="$vht_capab[RX-STBC-12]"
 254                         [ "$vht_max_rx_stbc_hw" = 3 ] && vht_capab="$vht_capab[RX-STBC-123]"
 255                         [ "$vht_max_rx_stbc_hw" = 4 ] && vht_capab="$vht_capab[RX-STBC-1234]"
 256
 257                         # whether or not the STA supports link adaptation using VHT variant
 258                         vht_link_adapt_hw=0
 259                         [ "$(($vht_cap & 201326592))" -ge 134217728 -a 2 -le "$vht_link_adapt" ] && \
 260                                 vht_link_adapt_hw=2
 261                         [ "$(($vht_cap & 201326592))" -ge 201326592 -a 3 -le "$vht_link_adapt" ] && \
 262                                 vht_link_adapt_hw=3
 263                         [ "$vht_link_adapt_hw" != 0 ] && \
 264                                 vht_capab="$vht_capab[VHT-LINK-ADAPT-$vht_link_adapt_hw]"
 265
 266                         [ -n "$vht_capab" ] && append base_cfg "vht_capab=$vht_capab" "$N"
 267                 fi
 268         }
 269
 270         hostapd_prepare_device_config "$hostapd_conf_file" nl80211
 271         cat >> "$hostapd_conf_file" <<EOF
 272 ${channel:+channel=$channel}
 273 ${noscan:+noscan=$noscan}
 274 $base_cfg
 275
 276 EOF
 277         json_select ..
 278 }
 279
 280 mac80211_hostapd_setup_bss() {
 281         local phy="$1"
 282         local ifname="$2"
 283         local macaddr="$3"
 284         local type="$4"
 285
 286         hostapd_cfg=
 287         append hostapd_cfg "$type=$ifname" "$N"
 288
 289         hostapd_set_bss_options hostapd_cfg "$vif" || return 1
 290         json_get_vars wds dtim_period max_listen_int
 291
 292         set_default wds 0
 293
 294         [ "$wds" -gt 0 ] && append hostapd_cfg "wds_sta=1" "$N"
 295         [ "$staidx" -gt 0 ] && append hostapd_cfg "start_disabled=1" "$N"
 296
 297         cat >> /var/run/hostapd-$phy.conf <<EOF
 298 $hostapd_cfg
 299 bssid=$macaddr
 300 ${dtim_period:+dtim_period=$dtim_period}
 301 ${max_listen_int:+max_listen_interval=$max_listen_int}
 302 EOF
 303 }
 304
 305 mac80211_generate_mac() {
 306         local phy="$1"
 307         local id="${macidx:-0}"
 308
 309         local ref="$(cat /sys/class/ieee80211/${phy}/macaddress)"
 310         local mask="$(cat /sys/class/ieee80211/${phy}/address_mask)"
 311
 312         [ "$mask" = "00:00:00:00:00:00" ] && mask="ff:ff:ff:ff:ff:ff";
 313         local oIFS="$IFS"; IFS=":"; set -- $mask; IFS="$oIFS"
 314
 315         local mask1=$1
 316         local mask6=$6
 317
 318         local oIFS="$IFS"; IFS=":"; set -- $ref; IFS="$oIFS"
 319
 320         macidx=$(($id + 1))
 321         [ "$((0x$mask1))" -gt 0 ] && {
 322                 b1="0x$1"
 323                 [ "$id" -gt 0 ] && \
 324                         b1=$(($b1 ^ ((($id - 1) << 2) | 0x2)))
 325                 printf "%02x:%s:%s:%s:%s:%s" $b1 $2 $3 $4 $5 $6
 326                 return
 327         }
 328
 329         [ "$((0x$mask6))" -lt 255 ] && {
 330                 printf "%s:%s:%s:%s:%s:%02x" $1 $2 $3 $4 $5 $(( 0x$6 ^ $id ))
 331                 return
 332         }
 333
 334         off2=$(( (0x$6 + $id) / 0x100 ))
 335         printf "%s:%s:%s:%s:%02x:%02x" \
 336                 $1 $2 $3 $4 \
 337                 $(( (0x$5 + $off2) % 0x100 )) \
 338                 $(( (0x$6 + $id) % 0x100 ))
 339 }
 340
 341 find_phy() {
 342         [ -n "$phy" -a -d /sys/class/ieee80211/$phy ] && return 0
 343         [ -n "$path" -a -d "/sys/devices/$path/ieee80211" ] && {
 344                 phy="$(ls /sys/devices/$path/ieee80211 | grep -m 1 phy)"
 345                 [ -n "$phy" ] && return 0
 346         }
 347         [ -n "$macaddr" ] && {
 348                 for phy in $(ls /sys/class/ieee80211 2>/dev/null); do
 349                         grep -i -q "$macaddr" "/sys/class/ieee80211/${phy}/macaddress" && return 0
 350                 done
 351         }
 352         return 1
 353 }
 354
 355 mac80211_check_ap() {
 356         has_ap=1
 357 }
 358
 359 mac80211_prepare_vif() {
 360         json_select config
 361
 362         json_get_vars ifname mode ssid wds powersave macaddr
 363
 364         [ -n "$ifname" ] || ifname="wlan${phy#phy}${if_idx:+-$if_idx}"
 365         if_idx=$((${if_idx:-0} + 1))
 366
 367         set_default wds 0
 368         set_default powersave 0
 369
 370         json_select ..
 371
 372         [ -n "$macaddr" ] || {
 373                 macaddr="$(mac80211_generate_mac $phy)"
 374                 macidx="$(($macidx + 1))"
 375         }
 376
 377         json_add_object data
 378         json_add_string ifname "$ifname"
 379         json_close_object
 380         json_select config
 381
 382         # It is far easier to delete and create the desired interface
 383         case "$mode" in
 384                 adhoc)
 385                         iw phy "$phy" interface add "$ifname" type adhoc
 386                 ;;
 387                 ap)
 388                         # Hostapd will handle recreating the interface and
 389                         # subsequent virtual APs belonging to the same PHY
 390                         if [ -n "$hostapd_ctrl" ]; then
 391                                 type=bss
 392                         else
 393                                 type=interface
 394                         fi
 395
 396                         mac80211_hostapd_setup_bss "$phy" "$ifname" "$macaddr" "$type" || return
 397
 398                         [ -n "$hostapd_ctrl" ] || {
 399                                 iw phy "$phy" interface add "$ifname" type managed
 400                                 hostapd_ctrl="${hostapd_ctrl:-/var/run/hostapd/$ifname}"
 401                         }
 402                 ;;
 403                 mesh)
 404                         json_get_vars key mesh_id
 405                         if [ -n "$key" ]; then
 406                                 iw phy "$phy" interface add "$ifname" type mp
 407                         else
 408                                 iw phy "$phy" interface add "$ifname" type mp mesh_id "$mesh_id"
 409                         fi
 410                 ;;
 411                 monitor)
 412                         iw phy "$phy" interface add "$ifname" type monitor
 413                 ;;
 414                 sta)
 415                         local wdsflag=
 416                         staidx="$(($staidx + 1))"
 417                         [ "$wds" -gt 0 ] && wdsflag="4addr on"
 418                         iw phy "$phy" interface add "$ifname" type managed $wdsflag
 419                         [ "$powersave" -gt 0 ] && powersave="on" || powersave="off"
 420                         iw "$ifname" set power_save "$powersave"
 421                 ;;
 422         esac
 423
 424         case "$mode" in
 425                 monitor|mesh)
 426                         [ "$auto_channel" -gt 0 ] || iw dev "$ifname" set channel "$channel" $htmode
 427                 ;;
 428         esac
 429
 430         if [ "$mode" != "ap" ]; then
 431                 # ALL ap functionality will be passed to hostapd
 432                 # All interfaces must have unique mac addresses
 433                 # which can either be explicitly set in the device
 434                 # section, or automatically generated
 435                 ifconfig "$ifname" hw ether "$macaddr"
 436         fi
 437
 438         json_select ..
 439 }
 440
 441 mac80211_setup_supplicant() {
 442         wpa_supplicant_prepare_interface "$ifname" nl80211 || return 1
 443         wpa_supplicant_add_network "$ifname"
 444         wpa_supplicant_run "$ifname" ${hostapd_ctrl:+-H $hostapd_ctrl}
 445 }
 446
 447 mac80211_setup_adhoc() {
 448         json_get_vars bssid ssid key mcast_rate
 449
 450         keyspec=
 451         [ "$auth_type" == "wep" ] && {
 452                 set_default key 1
 453                 case "$key" in
 454                         [1234])
 455                                 local idx
 456                                 for idx in 1 2 3 4; do
 457                                         json_get_var ikey "key$idx"
 458
 459                                         [ -n "$ikey" ] && {
 460                                                 ikey="$(($idx - 1)):$(prepare_key_wep "$ikey")"
 461                                                 [ $idx -eq $key ] && ikey="d:$ikey"
 462                                                 append keyspec "$ikey"
 463                                         }
 464                                 done
 465                         ;;
 466                         *)
 467                                 append keyspec "d:0:$(prepare_key_wep "$key")"
 468                         ;;
 469                 esac
 470         }
 471
 472         brstr=
 473         for br in $basic_rate_list; do
 474                 hostapd_add_rate brstr "$br"
 475         done
 476
 477         mcval=
 478         [ -n "$mcast_rate" ] && hostapd_add_rate mcval "$mcast_rate"
 479
 480         iw dev "$ifname" ibss join "$ssid" $freq $htmode fixed-freq $bssid \
 481                 ${beacon_int:+beacon-interval $beacon_int} \
 482                 ${brstr:+basic-rates $brstr} \
 483                 ${mcval:+mcast-rate $mcval} \
 484                 ${keyspec:+keys $keyspec}
 485 }
 486
 487 mac80211_setup_vif() {
 488         local name="$1"
 489         local failed
 490
 491         json_select data
 492         json_get_vars ifname
 493         json_select ..
 494
 495         json_select config
 496         json_get_vars mode
 497         json_get_var vif_txpower txpower
 498
 499         ifconfig "$ifname" up || {
 500                 wireless_setup_vif_failed IFUP_ERROR
 501                 json_select ..
 502                 return
 503         }
 504
 505         set_default vif_txpower "$txpower"
 506         [ -z "$vif_txpower" ] || iw dev "$ifname" set txpower fixed "${vif_txpower%%.*}00"
 507
 508         case "$mode" in
 509                 mesh)
 510                         for var in $MP_CONFIG_INT $MP_CONFIG_BOOL $MP_CONFIG_STRING; do
 511                                 json_get_var mp_val "$var"
 512                                 [ -n "$mp_val" ] && iw dev "$ifname" set mesh_param "$var" "$mp_val"
 513                         done
 514
 515                         # authsae
 516                         json_get_vars key
 517                         if [ -n "$key" ]; then
 518                                 if [ -e "/lib/wifi/authsae.sh" ]; then
 519                                         . /lib/wifi/authsae.sh
 520                                         authsae_start_interface || failed=1
 521                                 else
 522                                         wireless_setup_vif_failed AUTHSAE_NOT_INSTALLED
 523                                         json_select ..
 524                                         return
 525                                 fi
 526                         fi
 527                 ;;
 528                 adhoc)
 529                         wireless_vif_parse_encryption
 530                         if [ "$wpa" -gt 0 -o "$auto_channel" -gt 0 ]; then
 531                                 mac80211_setup_supplicant || failed=1
 532                         else
 533                                 mac80211_setup_adhoc
 534                         fi
 535                 ;;
 536                 sta)
 537                         mac80211_setup_supplicant || failed=1
 538                 ;;
 539         esac
 540
 541         json_select ..
 542         [ -n "$failed" ] || wireless_add_vif "$name" "$ifname"
 543 }
 544
 545 get_freq() {
 546         local phy="$1"
 547         local chan="$2"
 548         iw "$phy" info | grep -E -m1 "(\* ${chan:-....} MHz${chan:+|\\[$chan\\]})" | grep MHz | awk '{print $2}'
 549 }
 550
 551 mac80211_interface_cleanup() {
 552         local phy="$1"
 553
 554         for wdev in $(list_phy_interfaces "$phy"); do
 555                 ifconfig "$wdev" down 2>/dev/null
 556                 iw dev "$wdev" del
 557         done
 558 }
 559
 560 drv_mac80211_cleanup() {
 561         hostapd_common_cleanup
 562 }
 563
 564 drv_mac80211_setup() {
 565         json_select config
 566         json_get_vars \
 567                 phy macaddr path \
 568                 country chanbw distance \
 569                 txpower antenna_gain \
 570                 rxantenna txantenna \
 571                 frag rts beacon_int
 572         json_get_values basic_rate_list basic_rate
 573         json_select ..
 574
 575         find_phy || {
 576                 echo "Could not find PHY for device '$1'"
 577                 wireless_set_retry 0
 578                 return 1
 579         }
 580
 581         wireless_set_data phy="$phy"
 582         mac80211_interface_cleanup "$phy"
 583
 584         # convert channel to frequency
 585         [ "$auto_channel" -gt 0 ] || freq="$(get_freq "$phy" "$channel")"
 586
 587         [ -n "$country" ] && {
 588                 iw reg get | grep -q "^country $country:" || {
 589                         iw reg set "$country"
 590                         sleep 1
 591                 }
 592         }
 593
 594         hostapd_conf_file="/var/run/hostapd-$phy.conf"
 595
 596         no_ap=1
 597         macidx=0
 598         staidx=0
 599
 600         [ -n "$chanbw" ] && {
 601                 for file in /sys/kernel/debug/ieee80211/$phy/ath9k/chanbw /sys/kernel/debug/ieee80211/$phy/ath5k/bwmode; do
 602                         [ -f "$file" ] && echo "$chanbw" > "$file"
 603                 done
 604         }
 605
 606         set_default rxantenna all
 607         set_default txantenna all
 608         set_default distance 0
 609         set_default antenna_gain 0
 610
 611         iw phy "$phy" set antenna $txantenna $rxantenna >/dev/null 2>&1
 612         iw phy "$phy" set antenna_gain $antenna_gain
 613         iw phy "$phy" set distance "$distance"
 614
 615         [ -n "$frag" ] && iw phy "$phy" set frag "${frag%%.*}"
 616         [ -n "$rts" ] && iw phy "$phy" set rts "${rts%%.*}"
 617
 618         has_ap=
 619         hostapd_ctrl=
 620         for_each_interface "ap" mac80211_check_ap
 621
 622         rm -f "$hostapd_conf_file"
 623         [ -n "$has_ap" ] && mac80211_hostapd_setup_base "$phy"
 624
 625         for_each_interface "sta adhoc mesh monitor" mac80211_prepare_vif
 626         for_each_interface "ap" mac80211_prepare_vif
 627
 628         [ -n "$hostapd_ctrl" ] && {
 629                 /usr/sbin/hostapd -P /var/run/wifi-$phy.pid -B "$hostapd_conf_file"
 630                 ret="$?"
 631                 wireless_add_process "$(cat /var/run/wifi-$phy.pid)" "/usr/sbin/hostapd" 1
 632                 [ "$ret" != 0 ] && {
 633                         wireless_setup_failed HOSTAPD_START_FAILED
 634                         return
 635                 }
 636         }
 637
 638         for_each_interface "ap sta adhoc mesh monitor" mac80211_setup_vif
 639
 640         wireless_set_up
 641 }
 642
 643 list_phy_interfaces() {
 644         local phy="$1"
 645         if [ -d "/sys/class/ieee80211/${phy}/device/net" ]; then
 646                 ls "/sys/class/ieee80211/${phy}/device/net" 2>/dev/null;
 647         else
 648                 ls "/sys/class/ieee80211/${phy}/device" 2>/dev/null | grep net: | sed -e 's,net:,,g'
 649         fi
 650 }
 651
 652 drv_mac80211_teardown() {
 653         wireless_process_kill_all
 654
 655         json_select data
 656         json_get_vars phy
 657         json_select ..
 658
 659         mac80211_interface_cleanup "$phy"
 660 }
 661
 662 add_driver mac80211