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