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 ht_coex
  25         config_add_array ht_capab
  26         config_add_array channels
  27         config_add_boolean \
  28                 rxldpc \
  29                 short_gi_80 \
  30                 short_gi_160 \
  31                 tx_stbc_2by1 \
  32                 su_beamformer \
  33                 su_beamformee \
  34                 mu_beamformer \
  35                 mu_beamformee \
  36                 vht_txop_ps \
  37                 htc_vht \
  38                 rx_antenna_pattern \
  39                 tx_antenna_pattern
  40         config_add_int vht_max_a_mpdu_len_exp vht_max_mpdu vht_link_adapt vht160 rx_stbc tx_stbc
  41         config_add_boolean \
  42                 ldpc \
  43                 greenfield \
  44                 short_gi_20 \
  45                 short_gi_40 \
  46                 max_amsdu \
  47                 dsss_cck_40
  48 }
  49
  50 drv_mac80211_init_iface_config() {
  51         hostapd_common_add_bss_config
  52
  53         config_add_string 'macaddr:macaddr' ifname
  54
  55         config_add_boolean wds powersave
  56         config_add_int maxassoc
  57         config_add_int max_listen_int
  58         config_add_int dtim_period
  59         config_add_int start_disabled
  60
  61         # mesh
  62         config_add_string mesh_id
  63         config_add_int $MP_CONFIG_INT
  64         config_add_boolean $MP_CONFIG_BOOL
  65         config_add_string $MP_CONFIG_STRING
  66 }
  67
  68 mac80211_add_capabilities() {
  69         local __var="$1"; shift
  70         local __mask="$1"; shift
  71         local __out= oifs
  72
  73         oifs="$IFS"
  74         IFS=:
  75         for capab in "$@"; do
  76                 set -- $capab
  77
  78                 [ "$(($4))" -gt 0 ] || continue
  79                 [ "$(($__mask & $2))" -eq "$((${3:-$2}))" ] || continue
  80                 __out="$__out[$1]"
  81         done
  82         IFS="$oifs"
  83
  84         export -n -- "$__var=$__out"
  85 }
  86
  87 mac80211_hostapd_setup_base() {
  88         local phy="$1"
  89
  90         json_select config
  91
  92         [ "$auto_channel" -gt 0 ] && channel=acs_survey
  93         [ "$auto_channel" -gt 0 ] && json_get_values channel_list channels
  94
  95         json_get_vars noscan ht_coex
  96         json_get_values ht_capab_list ht_capab
  97
  98         ieee80211n=1
  99         ht_capab=
 100         case "$htmode" in
 101                 VHT20|HT20) ;;
 102                 HT40*|VHT40|VHT80|VHT160)
 103                         case "$hwmode" in
 104                                 a)
 105                                         case "$(( ($channel / 4) % 2 ))" in
 106                                                 1) ht_capab="[HT40+]";;
 107                                                 0) ht_capab="[HT40-]";;
 108                                         esac
 109                                 ;;
 110                                 *)
 111                                         case "$htmode" in
 112                                                 HT40+) ht_capab="[HT40+]";;
 113                                                 HT40-) ht_capab="[HT40-]";;
 114                                                 *)
 115                                                         if [ "$channel" -lt 7 ]; then
 116                                                                 ht_capab="[HT40+]"
 117                                                         else
 118                                                                 ht_capab="[HT40-]"
 119                                                         fi
 120                                                 ;;
 121                                         esac
 122                                 ;;
 123                         esac
 124                         [ "$auto_channel" -gt 0 ] && ht_capab="[HT40+]"
 125                 ;;
 126                 *) ieee80211n= ;;
 127         esac
 128
 129         [ -n "$ieee80211n" ] && {
 130                 append base_cfg "ieee80211n=1" "$N"
 131
 132                 set_default ht_coex 0
 133                 append base_cfg "ht_coex=$ht_coex" "$N"
 134
 135                 json_get_vars \
 136                         ldpc:1 \
 137                         greenfield:0 \
 138                         short_gi_20:1 \
 139                         short_gi_40:1 \
 140                         tx_stbc:1 \
 141                         rx_stbc:3 \
 142                         max_amsdu:1 \
 143                         dsss_cck_40:1
 144
 145                 ht_cap_mask=0
 146                 for cap in $(iw phy "$phy" info | grep 'Capabilities:' | cut -d: -f2); do
 147                         ht_cap_mask="$(($ht_cap_mask | $cap))"
 148                 done
 149
 150                 cap_rx_stbc=$((($ht_cap_mask >> 8) & 3))
 151                 [ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc="$rx_stbc"
 152                 ht_cap_mask="$(( ($ht_cap_mask & ~(0x300)) | ($cap_rx_stbc << 8) ))"
 153
 154                 mac80211_add_capabilities ht_capab_flags $ht_cap_mask \
 155                         LDPC:0x1::$ldpc \
 156                         GF:0x10::$greenfield \
 157                         SHORT-GI-20:0x20::$short_gi_20 \
 158                         SHORT-GI-40:0x40::$short_gi_40 \
 159                         TX-STBC:0x80::$tx_stbc \
 160                         RX-STBC1:0x300:0x100:1 \
 161                         RX-STBC12:0x300:0x200:1 \
 162                         RX-STBC123:0x300:0x300:1 \
 163                         MAX-AMSDU-7935:0x800::$max_amsdu \
 164                         DSSS_CCK-40:0x1000::$dsss_cck_40
 165
 166                 ht_capab="$ht_capab$ht_capab_flags"
 167                 [ -n "$ht_capab" ] && append base_cfg "ht_capab=$ht_capab" "$N"
 168         }
 169
 170         # 802.11ac
 171         enable_ac=0
 172         idx="$channel"
 173         case "$htmode" in
 174                 VHT20) enable_ac=1;;
 175                 VHT40)
 176                         case "$(( ($channel / 4) % 2 ))" in
 177                                 1) idx=$(($channel + 2));;
 178                                 0) idx=$(($channel - 2));;
 179                         esac
 180                         enable_ac=1
 181                         append base_cfg "vht_oper_chwidth=0" "$N"
 182                         append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
 183                 ;;
 184                 VHT80)
 185                         case "$(( ($channel / 4) % 4 ))" in
 186                                 1) idx=$(($channel + 6));;
 187                                 2) idx=$(($channel + 2));;
 188                                 3) idx=$(($channel - 2));;
 189                                 0) idx=$(($channel - 6));;
 190                         esac
 191                         enable_ac=1
 192                         append base_cfg "vht_oper_chwidth=1" "$N"
 193                         append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
 194                 ;;
 195                 VHT160)
 196                         case "$channel" in
 197                                 36|40|44|48|52|56|60|64) idx=50;;
 198                                 100|104|108|112|116|120|124|128) idx=114;;
 199                         esac
 200                         enable_ac=1
 201                         append base_cfg "vht_oper_chwidth=2" "$N"
 202                         append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
 203                 ;;
 204         esac
 205
 206         if [ "$enable_ac" != "0" ]; then
 207                 json_get_vars \
 208                         rxldpc:1 \
 209                         short_gi_80:1 \
 210                         short_gi_160:1 \
 211                         tx_stbc_2by1:1 \
 212                         su_beamformer:1 \
 213                         su_beamformee:1 \
 214                         mu_beamformer:1 \
 215                         mu_beamformee:1 \
 216                         vht_txop_ps:1 \
 217                         htc_vht:1 \
 218                         rx_antenna_pattern:1 \
 219                         tx_antenna_pattern:1 \
 220                         vht_max_a_mpdu_len_exp:7 \
 221                         vht_max_mpdu:11454 \
 222                         rx_stbc:4 \
 223                         tx_stbc:4 \
 224                         vht_link_adapt:3 \
 225                         vht160:2
 226
 227                 append base_cfg "ieee80211ac=1" "$N"
 228                 vht_cap=0
 229                 for cap in $(iw phy "$phy" info | awk -F "[()]" '/VHT Capabilities/ { print $2 }'); do
 230                         vht_cap="$(($vht_cap | $cap))"
 231                 done
 232
 233                 cap_rx_stbc=$((($vht_cap >> 8) & 7))
 234                 [ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc="$rx_stbc"
 235                 ht_cap_mask="$(( ($vht_cap & ~(0x700)) | ($cap_rx_stbc << 8) ))"
 236
 237                 mac80211_add_capabilities vht_capab $vht_cap \
 238                         RXLDPC:0x10::$rxldpc \
 239                         SHORT-GI-80:0x20::$short_gi_80 \
 240                         SHORT-GI-160:0x40::$short_gi_160 \
 241                         TX-STBC-2BY1:0x80::$tx_stbc \
 242                         SU-BEAMFORMER:0x800::$su_beamformer \
 243                         SU-BEAMFORMEE:0x1000::$su_beamformee \
 244                         MU-BEAMFORMER:0x80000::$mu_beamformer \
 245                         MU-BEAMFORMEE:0x100000::$mu_beamformee \
 246                         VHT-TXOP-PS:0x200000::$vht_txop_ps \
 247                         HTC-VHT:0x400000::$htc_vht \
 248                         RX-ANTENNA-PATTERN:0x10000000::$rx_antenna_pattern \
 249                         TX-ANTENNA-PATTERN:0x20000000::$tx_antenna_pattern \
 250                         RX-STBC1:0x700:0x100:1 \
 251                         RX-STBC12:0x700:0x200:1 \
 252                         RX-STBC123:0x700:0x300:1 \
 253                         RX-STBC1234:0x700:0x400:1 \
 254
 255                 # supported Channel widths
 256                 vht160_hw=0
 257                 [ "$(($vht_cap & 12))" -eq 4 -a 1 -le "$vht160" ] && \
 258                         vht160_hw=1
 259                 [ "$(($vht_cap & 12))" -eq 8 -a 2 -le "$vht160" ] && \
 260                         vht160_hw=2
 261                 [ "$vht160_hw" = 1 ] && vht_capab="$vht_capab[VHT160]"
 262                 [ "$vht160_hw" = 2 ] && vht_capab="$vht_capab[VHT160-80PLUS80]"
 263
 264                 # maximum MPDU length
 265                 vht_max_mpdu_hw=3895
 266                 [ "$(($vht_cap & 3))" -ge 1 -a 7991 -le "$vht_max_mpdu" ] && \
 267                         vht_max_mpdu_hw=7991
 268                 [ "$(($vht_cap & 3))" -ge 2 -a 11454 -le "$vht_max_mpdu" ] && \
 269                         vht_max_mpdu_hw=11454
 270                 [ "$vht_max_mpdu_hw" != 3895 ] && \
 271                         vht_capab="$vht_capab[MAX-MPDU-$vht_max_mpdu_hw]"
 272
 273                 # maximum A-MPDU length exponent
 274                 vht_max_a_mpdu_len_exp_hw=0
 275                 [ "$(($vht_cap & 58720256))" -ge 8388608 -a 1 -le "$vht_max_a_mpdu_len_exp" ] && \
 276                         vht_max_a_mpdu_len_exp_hw=1
 277                 [ "$(($vht_cap & 58720256))" -ge 16777216 -a 2 -le "$vht_max_a_mpdu_len_exp" ] && \
 278                         vht_max_a_mpdu_len_exp_hw=2
 279                 [ "$(($vht_cap & 58720256))" -ge 25165824 -a 3 -le "$vht_max_a_mpdu_len_exp" ] && \
 280                         vht_max_a_mpdu_len_exp_hw=3
 281                 [ "$(($vht_cap & 58720256))" -ge 33554432 -a 4 -le "$vht_max_a_mpdu_len_exp" ] && \
 282                         vht_max_a_mpdu_len_exp_hw=4
 283                 [ "$(($vht_cap & 58720256))" -ge 41943040 -a 5 -le "$vht_max_a_mpdu_len_exp" ] && \
 284                         vht_max_a_mpdu_len_exp_hw=5
 285                 [ "$(($vht_cap & 58720256))" -ge 50331648 -a 6 -le "$vht_max_a_mpdu_len_exp" ] && \
 286                         vht_max_a_mpdu_len_exp_hw=6
 287                 [ "$(($vht_cap & 58720256))" -ge 58720256 -a 7 -le "$vht_max_a_mpdu_len_exp" ] && \
 288                         vht_max_a_mpdu_len_exp_hw=7
 289                 vht_capab="$vht_capab[MAX-A-MPDU-LEN-EXP$vht_max_a_mpdu_len_exp_hw]"
 290
 291                 # whether or not the STA supports link adaptation using VHT variant
 292                 vht_link_adapt_hw=0
 293                 [ "$(($vht_cap & 201326592))" -ge 134217728 -a 2 -le "$vht_link_adapt" ] && \
 294                         vht_link_adapt_hw=2
 295                 [ "$(($vht_cap & 201326592))" -ge 201326592 -a 3 -le "$vht_link_adapt" ] && \
 296                         vht_link_adapt_hw=3
 297                 [ "$vht_link_adapt_hw" != 0 ] && \
 298                         vht_capab="$vht_capab[VHT-LINK-ADAPT-$vht_link_adapt_hw]"
 299
 300                 [ -n "$vht_capab" ] && append base_cfg "vht_capab=$vht_capab" "$N"
 301         fi
 302
 303         hostapd_prepare_device_config "$hostapd_conf_file" nl80211
 304         cat >> "$hostapd_conf_file" <<EOF
 305 ${channel:+channel=$channel}
 306 ${channel_list:+chanlist=$channel_list}
 307 ${noscan:+noscan=$noscan}
 308 $base_cfg
 309
 310 EOF
 311         json_select ..
 312 }
 313
 314 mac80211_hostapd_setup_bss() {
 315         local phy="$1"
 316         local ifname="$2"
 317         local macaddr="$3"
 318         local type="$4"
 319
 320         hostapd_cfg=
 321         append hostapd_cfg "$type=$ifname" "$N"
 322
 323         hostapd_set_bss_options hostapd_cfg "$vif" || return 1
 324         json_get_vars wds dtim_period max_listen_int start_disabled
 325
 326         set_default wds 0
 327         set_default start_disabled 0
 328
 329         [ "$wds" -gt 0 ] && append hostapd_cfg "wds_sta=1" "$N"
 330         [ "$staidx" -gt 0 -o "$start_disabled" -eq 1 ] && append hostapd_cfg "start_disabled=1" "$N"
 331
 332         cat >> /var/run/hostapd-$phy.conf <<EOF
 333 $hostapd_cfg
 334 bssid=$macaddr
 335 ${dtim_period:+dtim_period=$dtim_period}
 336 ${max_listen_int:+max_listen_interval=$max_listen_int}
 337 EOF
 338 }
 339
 340 mac80211_get_addr() {
 341         local phy="$1"
 342         local idx="$(($2 + 1))"
 343
 344         head -n $(($macidx + 1)) /sys/class/ieee80211/${phy}/addresses | tail -n1
 345 }
 346
 347 mac80211_generate_mac() {
 348         local phy="$1"
 349         local id="${macidx:-0}"
 350
 351         local ref="$(cat /sys/class/ieee80211/${phy}/macaddress)"
 352         local mask="$(cat /sys/class/ieee80211/${phy}/address_mask)"
 353
 354         [ "$mask" = "00:00:00:00:00:00" ] && {
 355                 mask="ff:ff:ff:ff:ff:ff";
 356
 357                 [ "$(wc -l < /sys/class/ieee80211/${phy}/addresses)" -gt 1 ] && {
 358                         addr="$(mac80211_get_addr "$phy" "$id")"
 359                         [ -n "$addr" ] && {
 360                                 echo "$addr"
 361                                 return
 362                         }
 363                 }
 364         }
 365
 366         local oIFS="$IFS"; IFS=":"; set -- $mask; IFS="$oIFS"
 367
 368         local mask1=$1
 369         local mask6=$6
 370
 371         local oIFS="$IFS"; IFS=":"; set -- $ref; IFS="$oIFS"
 372
 373         macidx=$(($id + 1))
 374         [ "$((0x$mask1))" -gt 0 ] && {
 375                 b1="0x$1"
 376                 [ "$id" -gt 0 ] && \
 377                         b1=$(($b1 ^ ((($id - 1) << 2) | 0x2)))
 378                 printf "%02x:%s:%s:%s:%s:%s" $b1 $2 $3 $4 $5 $6
 379                 return
 380         }
 381
 382         [ "$((0x$mask6))" -lt 255 ] && {
 383                 printf "%s:%s:%s:%s:%s:%02x" $1 $2 $3 $4 $5 $(( 0x$6 ^ $id ))
 384                 return
 385         }
 386
 387         off2=$(( (0x$6 + $id) / 0x100 ))
 388         printf "%s:%s:%s:%s:%02x:%02x" \
 389                 $1 $2 $3 $4 \
 390                 $(( (0x$5 + $off2) % 0x100 )) \
 391                 $(( (0x$6 + $id) % 0x100 ))
 392 }
 393
 394 find_phy() {
 395         [ -n "$phy" -a -d /sys/class/ieee80211/$phy ] && return 0
 396         [ -n "$path" ] && {
 397                 for phy in $(ls /sys/class/ieee80211 2>/dev/null); do
 398                         case "$(readlink -f /sys/class/ieee80211/$phy/device)" in
 399                                 *$path) return 0;;
 400                         esac
 401                 done
 402         }
 403         [ -n "$macaddr" ] && {
 404                 for phy in $(ls /sys/class/ieee80211 2>/dev/null); do
 405                         grep -i -q "$macaddr" "/sys/class/ieee80211/${phy}/macaddress" && return 0
 406                 done
 407         }
 408         return 1
 409 }
 410
 411 mac80211_check_ap() {
 412         has_ap=1
 413 }
 414
 415 mac80211_prepare_vif() {
 416         json_select config
 417
 418         json_get_vars ifname mode ssid wds powersave macaddr
 419
 420         [ -n "$ifname" ] || ifname="wlan${phy#phy}${if_idx:+-$if_idx}"
 421         if_idx=$((${if_idx:-0} + 1))
 422
 423         set_default wds 0
 424         set_default powersave 0
 425
 426         json_select ..
 427
 428         [ -n "$macaddr" ] || {
 429                 macaddr="$(mac80211_generate_mac $phy)"
 430                 macidx="$(($macidx + 1))"
 431         }
 432
 433         json_add_object data
 434         json_add_string ifname "$ifname"
 435         json_close_object
 436         json_select config
 437
 438         # It is far easier to delete and create the desired interface
 439         case "$mode" in
 440                 adhoc)
 441                         iw phy "$phy" interface add "$ifname" type adhoc
 442                 ;;
 443                 ap)
 444                         # Hostapd will handle recreating the interface and
 445                         # subsequent virtual APs belonging to the same PHY
 446                         if [ -n "$hostapd_ctrl" ]; then
 447                                 type=bss
 448                         else
 449                                 type=interface
 450                         fi
 451
 452                         mac80211_hostapd_setup_bss "$phy" "$ifname" "$macaddr" "$type" || return
 453
 454                         [ -n "$hostapd_ctrl" ] || {
 455                                 iw phy "$phy" interface add "$ifname" type __ap
 456                                 hostapd_ctrl="${hostapd_ctrl:-/var/run/hostapd/$ifname}"
 457                         }
 458                 ;;
 459                 mesh)
 460                         iw phy "$phy" interface add "$ifname" type mp
 461                 ;;
 462                 monitor)
 463                         iw phy "$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                 ip link set dev "$ifname" address "$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|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                 VHT80)
 526                         ibss_htmode="80MHZ"
 527                 ;;
 528                 NONE|NOHT)
 529                         ibss_htmode="NOHT"
 530                 ;;
 531                 *) ibss_htmode="" ;;
 532         esac
 533
 534 }
 535
 536 mac80211_setup_adhoc() {
 537         json_get_vars bssid ssid key mcast_rate
 538
 539         keyspec=
 540         [ "$auth_type" = "wep" ] && {
 541                 set_default key 1
 542                 case "$key" in
 543                         [1234])
 544                                 local idx
 545                                 for idx in 1 2 3 4; do
 546                                         json_get_var ikey "key$idx"
 547
 548                                         [ -n "$ikey" ] && {
 549                                                 ikey="$(($idx - 1)):$(prepare_key_wep "$ikey")"
 550                                                 [ $idx -eq $key ] && ikey="d:$ikey"
 551                                                 append keyspec "$ikey"
 552                                         }
 553                                 done
 554                         ;;
 555                         *)
 556                                 append keyspec "d:0:$(prepare_key_wep "$key")"
 557                         ;;
 558                 esac
 559         }
 560
 561         brstr=
 562         for br in $basic_rate_list; do
 563                 wpa_supplicant_add_rate brstr "$br"
 564         done
 565
 566         mcval=
 567         [ -n "$mcast_rate" ] && wpa_supplicant_add_rate mcval "$mcast_rate"
 568
 569         iw dev "$ifname" ibss join "$ssid" $freq $ibss_htmode fixed-freq $bssid \
 570                 ${beacon_int:+beacon-interval $beacon_int} \
 571                 ${brstr:+basic-rates $brstr} \
 572                 ${mcval:+mcast-rate $mcval} \
 573                 ${keyspec:+keys $keyspec}
 574 }
 575
 576 mac80211_setup_vif() {
 577         local name="$1"
 578         local failed
 579
 580         json_select data
 581         json_get_vars ifname
 582         json_select ..
 583
 584         json_select config
 585         json_get_vars mode
 586         json_get_var vif_txpower txpower
 587
 588         ip link set dev "$ifname" up || {
 589                 wireless_setup_vif_failed IFUP_ERROR
 590                 json_select ..
 591                 return
 592         }
 593
 594         set_default vif_txpower "$txpower"
 595         [ -z "$vif_txpower" ] || iw dev "$ifname" set txpower fixed "${vif_txpower%%.*}00"
 596
 597         case "$mode" in
 598                 mesh)
 599                         # authsae or wpa_supplicant
 600                         json_get_vars key
 601                         if [ -n "$key" ]; then
 602                                 if [ -e "/lib/wifi/authsae.sh" ]; then
 603                                         . /lib/wifi/authsae.sh
 604                                         authsae_start_interface || failed=1
 605                                 else
 606                                         wireless_vif_parse_encryption
 607                                         mac80211_setup_supplicant || failed=1
 608                                 fi
 609                         else
 610                                 json_get_vars mesh_id mcast_rate
 611
 612                                 mcval=
 613                                 [ -n "$mcast_rate" ] && wpa_supplicant_add_rate mcval "$mcast_rate"
 614
 615                                 iw dev "$ifname" mesh join "$mesh_id" ${mcval:+mcast-rate $mcval}
 616                         fi
 617
 618                         for var in $MP_CONFIG_INT $MP_CONFIG_BOOL $MP_CONFIG_STRING; do
 619                                 json_get_var mp_val "$var"
 620                                 [ -n "$mp_val" ] && iw dev "$ifname" set mesh_param "$var" "$mp_val"
 621                         done
 622                 ;;
 623                 adhoc)
 624                         wireless_vif_parse_encryption
 625                         mac80211_setup_adhoc_htmode
 626                         if [ "$wpa" -gt 0 -o "$auto_channel" -gt 0 ]; then
 627                                 mac80211_setup_supplicant || failed=1
 628                         else
 629                                 mac80211_setup_adhoc
 630                         fi
 631                 ;;
 632                 sta)
 633                         mac80211_setup_supplicant || failed=1
 634                 ;;
 635         esac
 636
 637         json_select ..
 638         [ -n "$failed" ] || wireless_add_vif "$name" "$ifname"
 639 }
 640
 641 get_freq() {
 642         local phy="$1"
 643         local chan="$2"
 644         iw "$phy" info | grep -E -m1 "(\* ${chan:-....} MHz${chan:+|\\[$chan\\]})" | grep MHz | awk '{print $2}'
 645 }
 646
 647 mac80211_interface_cleanup() {
 648         local phy="$1"
 649
 650         for wdev in $(list_phy_interfaces "$phy"); do
 651                 ip link set dev "$wdev" down 2>/dev/null
 652                 iw dev "$wdev" del
 653         done
 654 }
 655
 656 drv_mac80211_cleanup() {
 657         hostapd_common_cleanup
 658 }
 659
 660 drv_mac80211_setup() {
 661         json_select config
 662         json_get_vars \
 663                 phy macaddr path \
 664                 country chanbw distance \
 665                 txpower antenna_gain \
 666                 rxantenna txantenna \
 667                 frag rts beacon_int htmode
 668         json_get_values basic_rate_list basic_rate
 669         json_select ..
 670
 671         find_phy || {
 672                 echo "Could not find PHY for device '$1'"
 673                 wireless_set_retry 0
 674                 return 1
 675         }
 676
 677         wireless_set_data phy="$phy"
 678         mac80211_interface_cleanup "$phy"
 679
 680         # convert channel to frequency
 681         [ "$auto_channel" -gt 0 ] || freq="$(get_freq "$phy" "$channel")"
 682
 683         [ -n "$country" ] && {
 684                 iw reg get | grep -q "^country $country:" || {
 685                         iw reg set "$country"
 686                         sleep 1
 687                 }
 688         }
 689
 690         hostapd_conf_file="/var/run/hostapd-$phy.conf"
 691
 692         no_ap=1
 693         macidx=0
 694         staidx=0
 695
 696         [ -n "$chanbw" ] && {
 697                 for file in /sys/kernel/debug/ieee80211/$phy/ath9k/chanbw /sys/kernel/debug/ieee80211/$phy/ath5k/bwmode; do
 698                         [ -f "$file" ] && echo "$chanbw" > "$file"
 699                 done
 700         }
 701
 702         set_default rxantenna all
 703         set_default txantenna all
 704         set_default distance 0
 705         set_default antenna_gain 0
 706
 707         iw phy "$phy" set antenna $txantenna $rxantenna >/dev/null 2>&1
 708         iw phy "$phy" set antenna_gain $antenna_gain
 709         iw phy "$phy" set distance "$distance"
 710
 711         [ -n "$frag" ] && iw phy "$phy" set frag "${frag%%.*}"
 712         [ -n "$rts" ] && iw phy "$phy" set rts "${rts%%.*}"
 713
 714         has_ap=
 715         hostapd_ctrl=
 716         for_each_interface "ap" mac80211_check_ap
 717
 718         rm -f "$hostapd_conf_file"
 719         [ -n "$has_ap" ] && mac80211_hostapd_setup_base "$phy"
 720
 721         for_each_interface "sta adhoc mesh monitor" mac80211_prepare_vif
 722         for_each_interface "ap" mac80211_prepare_vif
 723
 724         [ -n "$hostapd_ctrl" ] && {
 725                 /usr/sbin/hostapd -P /var/run/wifi-$phy.pid -B "$hostapd_conf_file"
 726                 ret="$?"
 727                 wireless_add_process "$(cat /var/run/wifi-$phy.pid)" "/usr/sbin/hostapd" 1
 728                 [ "$ret" != 0 ] && {
 729                         wireless_setup_failed HOSTAPD_START_FAILED
 730                         return
 731                 }
 732         }
 733
 734         for_each_interface "ap sta adhoc mesh monitor" mac80211_setup_vif
 735
 736         wireless_set_up
 737 }
 738
 739 list_phy_interfaces() {
 740         local phy="$1"
 741         if [ -d "/sys/class/ieee80211/${phy}/device/net" ]; then
 742                 ls "/sys/class/ieee80211/${phy}/device/net" 2>/dev/null;
 743         else
 744                 ls "/sys/class/ieee80211/${phy}/device" 2>/dev/null | grep net: | sed -e 's,net:,,g'
 745         fi
 746 }
 747
 748 drv_mac80211_teardown() {
 749         wireless_process_kill_all
 750
 751         json_select data
 752         json_get_vars phy
 753         json_select ..
 754
 755         mac80211_interface_cleanup "$phy"
 756 }
 757
 758 add_driver mac80211