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
  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_get_addr() {
 330         local phy="$1"
 331         local idx="$(($2 + 1))"
 332
 333         head -n $(($macidx + 1)) /sys/class/ieee80211/${phy}/addresses | tail -n1
 334 }
 335
 336 mac80211_generate_mac() {
 337         local phy="$1"
 338         local id="${macidx:-0}"
 339
 340         local ref="$(cat /sys/class/ieee80211/${phy}/macaddress)"
 341         local mask="$(cat /sys/class/ieee80211/${phy}/address_mask)"
 342
 343         [ "$mask" = "00:00:00:00:00:00" ] && {
 344                 mask="ff:ff:ff:ff:ff:ff";
 345
 346                 [ "$(wc -l < /sys/class/ieee80211/${phy}/addresses)" -gt 1 ] && {
 347                         addr="$(mac80211_get_addr "$phy" "$id")"
 348                         [ -n "$addr" ] && {
 349                                 echo "$addr"
 350                                 return
 351                         }
 352                 }
 353         }
 354
 355         local oIFS="$IFS"; IFS=":"; set -- $mask; IFS="$oIFS"
 356
 357         local mask1=$1
 358         local mask6=$6
 359
 360         local oIFS="$IFS"; IFS=":"; set -- $ref; IFS="$oIFS"
 361
 362         macidx=$(($id + 1))
 363         [ "$((0x$mask1))" -gt 0 ] && {
 364                 b1="0x$1"
 365                 [ "$id" -gt 0 ] && \
 366                         b1=$(($b1 ^ ((($id - 1) << 2) | 0x2)))
 367                 printf "%02x:%s:%s:%s:%s:%s" $b1 $2 $3 $4 $5 $6
 368                 return
 369         }
 370
 371         [ "$((0x$mask6))" -lt 255 ] && {
 372                 printf "%s:%s:%s:%s:%s:%02x" $1 $2 $3 $4 $5 $(( 0x$6 ^ $id ))
 373                 return
 374         }
 375
 376         off2=$(( (0x$6 + $id) / 0x100 ))
 377         printf "%s:%s:%s:%s:%02x:%02x" \
 378                 $1 $2 $3 $4 \
 379                 $(( (0x$5 + $off2) % 0x100 )) \
 380                 $(( (0x$6 + $id) % 0x100 ))
 381 }
 382
 383 find_phy() {
 384         [ -n "$phy" -a -d /sys/class/ieee80211/$phy ] && return 0
 385         [ -n "$path" ] && {
 386                 for phy in /sys/devices/$path/ieee80211/phy*; do
 387                         [ -e "$phy" ] && {
 388                                 phy="${phy##*/}"
 389                                 return 0
 390                         }
 391                 done
 392         }
 393         [ -n "$macaddr" ] && {
 394                 for phy in $(ls /sys/class/ieee80211 2>/dev/null); do
 395                         grep -i -q "$macaddr" "/sys/class/ieee80211/${phy}/macaddress" && return 0
 396                 done
 397         }
 398         return 1
 399 }
 400
 401 mac80211_check_ap() {
 402         has_ap=1
 403 }
 404
 405 mac80211_prepare_vif() {
 406         json_select config
 407
 408         json_get_vars ifname mode ssid wds powersave macaddr
 409
 410         [ -n "$ifname" ] || ifname="wlan${phy#phy}${if_idx:+-$if_idx}"
 411         if_idx=$((${if_idx:-0} + 1))
 412
 413         set_default wds 0
 414         set_default powersave 0
 415
 416         json_select ..
 417
 418         [ -n "$macaddr" ] || {
 419                 macaddr="$(mac80211_generate_mac $phy)"
 420                 macidx="$(($macidx + 1))"
 421         }
 422
 423         json_add_object data
 424         json_add_string ifname "$ifname"
 425         json_close_object
 426         json_select config
 427
 428         # It is far easier to delete and create the desired interface
 429         case "$mode" in
 430                 adhoc)
 431                         iw phy "$phy" interface add "$ifname" type adhoc
 432                 ;;
 433                 ap)
 434                         # Hostapd will handle recreating the interface and
 435                         # subsequent virtual APs belonging to the same PHY
 436                         if [ -n "$hostapd_ctrl" ]; then
 437                                 type=bss
 438                         else
 439                                 type=interface
 440                         fi
 441
 442                         mac80211_hostapd_setup_bss "$phy" "$ifname" "$macaddr" "$type" || return
 443
 444                         [ -n "$hostapd_ctrl" ] || {
 445                                 iw phy "$phy" interface add "$ifname" type managed
 446                                 hostapd_ctrl="${hostapd_ctrl:-/var/run/hostapd/$ifname}"
 447                         }
 448                 ;;
 449                 mesh)
 450                         json_get_vars key mesh_id
 451                         if [ -n "$key" ]; then
 452                                 iw phy "$phy" interface add "$ifname" type mp
 453                         else
 454                                 iw phy "$phy" interface add "$ifname" type mp mesh_id "$mesh_id"
 455                         fi
 456                 ;;
 457                 monitor)
 458                         iw phy "$phy" interface add "$ifname" type monitor
 459                 ;;
 460                 sta)
 461                         local wdsflag=
 462                         staidx="$(($staidx + 1))"
 463                         [ "$wds" -gt 0 ] && wdsflag="4addr on"
 464                         iw phy "$phy" interface add "$ifname" type managed $wdsflag
 465                         [ "$powersave" -gt 0 ] && powersave="on" || powersave="off"
 466                         iw "$ifname" set power_save "$powersave"
 467                 ;;
 468         esac
 469
 470         case "$mode" in
 471                 monitor|mesh)
 472                         [ "$auto_channel" -gt 0 ] || iw dev "$ifname" set channel "$channel" $htmode
 473                 ;;
 474         esac
 475
 476         if [ "$mode" != "ap" ]; then
 477                 # ALL ap functionality will be passed to hostapd
 478                 # All interfaces must have unique mac addresses
 479                 # which can either be explicitly set in the device
 480                 # section, or automatically generated
 481                 ifconfig "$ifname" hw ether "$macaddr"
 482         fi
 483
 484         json_select ..
 485 }
 486
 487 mac80211_setup_supplicant() {
 488         wpa_supplicant_prepare_interface "$ifname" nl80211 || return 1
 489         wpa_supplicant_add_network "$ifname"
 490         wpa_supplicant_run "$ifname" ${hostapd_ctrl:+-H $hostapd_ctrl}
 491 }
 492
 493 mac80211_setup_adhoc() {
 494         json_get_vars bssid ssid key mcast_rate
 495
 496         keyspec=
 497         [ "$auth_type" = "wep" ] && {
 498                 set_default key 1
 499                 case "$key" in
 500                         [1234])
 501                                 local idx
 502                                 for idx in 1 2 3 4; do
 503                                         json_get_var ikey "key$idx"
 504
 505                                         [ -n "$ikey" ] && {
 506                                                 ikey="$(($idx - 1)):$(prepare_key_wep "$ikey")"
 507                                                 [ $idx -eq $key ] && ikey="d:$ikey"
 508                                                 append keyspec "$ikey"
 509                                         }
 510                                 done
 511                         ;;
 512                         *)
 513                                 append keyspec "d:0:$(prepare_key_wep "$key")"
 514                         ;;
 515                 esac
 516         }
 517
 518         brstr=
 519         for br in $basic_rate_list; do
 520                 hostapd_add_rate brstr "$br"
 521         done
 522
 523         mcval=
 524         [ -n "$mcast_rate" ] && hostapd_add_rate mcval "$mcast_rate"
 525
 526         case "$htmode" in
 527                 VHT20|HT20) ibss_htmode=HT20;;
 528                 HT40*|VHT40|VHT80|VHT160)
 529                         case "$hwmode" in
 530                                 a)
 531                                         case "$(( ($channel / 4) % 2 ))" in
 532                                                 1) ibss_htmode="HT40+" ;;
 533                                                 0) ibss_htmode="HT40-";;
 534                                         esac
 535                                 ;;
 536                                 *)
 537                                         case "$htmode" in
 538                                                 HT40+) ibss_htmode="HT40+";;
 539                                                 HT40-) ibss_htmode="HT40-";;
 540                                                 *)
 541                                                         if [ "$channel" -lt 7 ]; then
 542                                                                 ibss_htmode="HT40+"
 543                                                         else
 544                                                                 ibss_htmode="HT40-"
 545                                                         fi
 546                                                 ;;
 547                                         esac
 548                                 ;;
 549                         esac
 550                         [ "$auto_channel" -gt 0 ] && ibss_htmode="HT40+"
 551                 ;;
 552                 *) ibss_htmode="" ;;
 553         esac
 554
 555         iw dev "$ifname" ibss join "$ssid" $freq $ibss_htmode fixed-freq $bssid \
 556                 ${beacon_int:+beacon-interval $beacon_int} \
 557                 ${brstr:+basic-rates $brstr} \
 558                 ${mcval:+mcast-rate $mcval} \
 559                 ${keyspec:+keys $keyspec}
 560 }
 561
 562 mac80211_setup_vif() {
 563         local name="$1"
 564         local failed
 565
 566         json_select data
 567         json_get_vars ifname
 568         json_select ..
 569
 570         json_select config
 571         json_get_vars mode
 572         json_get_var vif_txpower txpower
 573
 574         ifconfig "$ifname" up || {
 575                 wireless_setup_vif_failed IFUP_ERROR
 576                 json_select ..
 577                 return
 578         }
 579
 580         set_default vif_txpower "$txpower"
 581         [ -z "$vif_txpower" ] || iw dev "$ifname" set txpower fixed "${vif_txpower%%.*}00"
 582
 583         case "$mode" in
 584                 mesh)
 585                         for var in $MP_CONFIG_INT $MP_CONFIG_BOOL $MP_CONFIG_STRING; do
 586                                 json_get_var mp_val "$var"
 587                                 [ -n "$mp_val" ] && iw dev "$ifname" set mesh_param "$var" "$mp_val"
 588                         done
 589
 590                         # authsae
 591                         json_get_vars key
 592                         if [ -n "$key" ]; then
 593                                 if [ -e "/lib/wifi/authsae.sh" ]; then
 594                                         . /lib/wifi/authsae.sh
 595                                         authsae_start_interface || failed=1
 596                                 else
 597                                         wireless_setup_vif_failed AUTHSAE_NOT_INSTALLED
 598                                         json_select ..
 599                                         return
 600                                 fi
 601                         fi
 602                 ;;
 603                 adhoc)
 604                         wireless_vif_parse_encryption
 605                         if [ "$wpa" -gt 0 -o "$auto_channel" -gt 0 ]; then
 606                                 mac80211_setup_supplicant || failed=1
 607                         else
 608                                 mac80211_setup_adhoc
 609                         fi
 610                 ;;
 611                 sta)
 612                         mac80211_setup_supplicant || failed=1
 613                 ;;
 614         esac
 615
 616         json_select ..
 617         [ -n "$failed" ] || wireless_add_vif "$name" "$ifname"
 618 }
 619
 620 get_freq() {
 621         local phy="$1"
 622         local chan="$2"
 623         iw "$phy" info | grep -E -m1 "(\* ${chan:-....} MHz${chan:+|\\[$chan\\]})" | grep MHz | awk '{print $2}'
 624 }
 625
 626 mac80211_interface_cleanup() {
 627         local phy="$1"
 628
 629         for wdev in $(list_phy_interfaces "$phy"); do
 630                 ifconfig "$wdev" down 2>/dev/null
 631                 iw dev "$wdev" del
 632         done
 633 }
 634
 635 drv_mac80211_cleanup() {
 636         hostapd_common_cleanup
 637 }
 638
 639 drv_mac80211_setup() {
 640         json_select config
 641         json_get_vars \
 642                 phy macaddr path \
 643                 country chanbw distance \
 644                 txpower antenna_gain \
 645                 rxantenna txantenna \
 646                 frag rts beacon_int htmode
 647         json_get_values basic_rate_list basic_rate
 648         json_select ..
 649
 650         find_phy || {
 651                 echo "Could not find PHY for device '$1'"
 652                 wireless_set_retry 0
 653                 return 1
 654         }
 655
 656         wireless_set_data phy="$phy"
 657         mac80211_interface_cleanup "$phy"
 658
 659         # convert channel to frequency
 660         [ "$auto_channel" -gt 0 ] || freq="$(get_freq "$phy" "$channel")"
 661
 662         [ -n "$country" ] && {
 663                 iw reg get | grep -q "^country $country:" || {
 664                         iw reg set "$country"
 665                         sleep 1
 666                 }
 667         }
 668
 669         hostapd_conf_file="/var/run/hostapd-$phy.conf"
 670
 671         no_ap=1
 672         macidx=0
 673         staidx=0
 674
 675         [ -n "$chanbw" ] && {
 676                 for file in /sys/kernel/debug/ieee80211/$phy/ath9k/chanbw /sys/kernel/debug/ieee80211/$phy/ath5k/bwmode; do
 677                         [ -f "$file" ] && echo "$chanbw" > "$file"
 678                 done
 679         }
 680
 681         set_default rxantenna all
 682         set_default txantenna all
 683         set_default distance 0
 684         set_default antenna_gain 0
 685
 686         iw phy "$phy" set antenna $txantenna $rxantenna >/dev/null 2>&1
 687         iw phy "$phy" set antenna_gain $antenna_gain
 688         iw phy "$phy" set distance "$distance"
 689
 690         [ -n "$frag" ] && iw phy "$phy" set frag "${frag%%.*}"
 691         [ -n "$rts" ] && iw phy "$phy" set rts "${rts%%.*}"
 692
 693         has_ap=
 694         hostapd_ctrl=
 695         for_each_interface "ap" mac80211_check_ap
 696
 697         rm -f "$hostapd_conf_file"
 698         [ -n "$has_ap" ] && mac80211_hostapd_setup_base "$phy"
 699
 700         for_each_interface "sta adhoc mesh monitor" mac80211_prepare_vif
 701         for_each_interface "ap" mac80211_prepare_vif
 702
 703         [ -n "$hostapd_ctrl" ] && {
 704                 /usr/sbin/hostapd -P /var/run/wifi-$phy.pid -B "$hostapd_conf_file"
 705                 ret="$?"
 706                 wireless_add_process "$(cat /var/run/wifi-$phy.pid)" "/usr/sbin/hostapd" 1
 707                 [ "$ret" != 0 ] && {
 708                         wireless_setup_failed HOSTAPD_START_FAILED
 709                         return
 710                 }
 711         }
 712
 713         for_each_interface "ap sta adhoc mesh monitor" mac80211_setup_vif
 714
 715         wireless_set_up
 716 }
 717
 718 list_phy_interfaces() {
 719         local phy="$1"
 720         if [ -d "/sys/class/ieee80211/${phy}/device/net" ]; then
 721                 ls "/sys/class/ieee80211/${phy}/device/net" 2>/dev/null;
 722         else
 723                 ls "/sys/class/ieee80211/${phy}/device" 2>/dev/null | grep net: | sed -e 's,net:,,g'
 724         fi
 725 }
 726
 727 drv_mac80211_teardown() {
 728         wireless_process_kill_all
 729
 730         json_select data
 731         json_get_vars phy
 732         json_select ..
 733
 734         mac80211_interface_cleanup "$phy"
 735 }
 736
 737 add_driver mac80211