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