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