package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh

   1 #!/bin/sh
   2 . /lib/netifd/netifd-wireless.sh
   3 . /lib/netifd/hostapd.sh
   4 . /lib/functions/system.sh
   5
   6 init_wireless_driver "$@"
   7
   8 MP_CONFIG_INT="mesh_retry_timeout mesh_confirm_timeout mesh_holding_timeout mesh_max_peer_links
   9                mesh_max_retries mesh_ttl mesh_element_ttl mesh_hwmp_max_preq_retries
  10                mesh_path_refresh_time mesh_min_discovery_timeout mesh_hwmp_active_path_timeout
  11                mesh_hwmp_preq_min_interval mesh_hwmp_net_diameter_traversal_time mesh_hwmp_rootmode
  12                mesh_hwmp_rann_interval mesh_gate_announcements mesh_sync_offset_max_neighor
  13                mesh_rssi_threshold mesh_hwmp_active_path_to_root_timeout mesh_hwmp_root_interval
  14                mesh_hwmp_confirmation_interval mesh_awake_window mesh_plink_timeout"
  15 MP_CONFIG_BOOL="mesh_auto_open_plinks mesh_fwding"
  16 MP_CONFIG_STRING="mesh_power_mode"
  17
  18 NEWAPLIST=
  19 OLDAPLIST=
  20 NEWSPLIST=
  21 OLDSPLIST=
  22 NEWUMLIST=
  23 OLDUMLIST=
  24
  25 drv_mac80211_init_device_config() {
  26         hostapd_common_add_device_config
  27
  28         config_add_string path phy 'macaddr:macaddr'
  29         config_add_string tx_burst
  30         config_add_string distance
  31         config_add_int beacon_int chanbw frag rts
  32         config_add_int rxantenna txantenna antenna_gain txpower min_tx_power
  33         config_add_boolean noscan ht_coex acs_exclude_dfs background_radar
  34         config_add_array ht_capab
  35         config_add_array channels
  36         config_add_array scan_list
  37         config_add_boolean \
  38                 rxldpc \
  39                 short_gi_80 \
  40                 short_gi_160 \
  41                 tx_stbc_2by1 \
  42                 su_beamformer \
  43                 su_beamformee \
  44                 mu_beamformer \
  45                 mu_beamformee \
  46                 he_su_beamformer \
  47                 he_su_beamformee \
  48                 he_mu_beamformer \
  49                 vht_txop_ps \
  50                 htc_vht \
  51                 rx_antenna_pattern \
  52                 tx_antenna_pattern \
  53                 he_spr_sr_control \
  54                 he_twt_required
  55         config_add_int \
  56                 beamformer_antennas \
  57                 beamformee_antennas \
  58                 vht_max_a_mpdu_len_exp \
  59                 vht_max_mpdu \
  60                 vht_link_adapt \
  61                 vht160 \
  62                 rx_stbc \
  63                 tx_stbc \
  64                 he_bss_color \
  65                 he_spr_non_srg_obss_pd_max_offset
  66         config_add_boolean \
  67                 ldpc \
  68                 greenfield \
  69                 short_gi_20 \
  70                 short_gi_40 \
  71                 max_amsdu \
  72                 dsss_cck_40
  73 }
  74
  75 drv_mac80211_init_iface_config() {
  76         hostapd_common_add_bss_config
  77
  78         config_add_string 'macaddr:macaddr' ifname
  79
  80         config_add_boolean wds powersave enable
  81         config_add_string wds_bridge
  82         config_add_int maxassoc
  83         config_add_int max_listen_int
  84         config_add_int dtim_period
  85         config_add_int start_disabled
  86
  87         # mesh
  88         config_add_string mesh_id
  89         config_add_int $MP_CONFIG_INT
  90         config_add_boolean $MP_CONFIG_BOOL
  91         config_add_string $MP_CONFIG_STRING
  92 }
  93
  94 mac80211_add_capabilities() {
  95         local __var="$1"; shift
  96         local __mask="$1"; shift
  97         local __out= oifs
  98
  99         oifs="$IFS"
 100         IFS=:
 101         for capab in "$@"; do
 102                 set -- $capab
 103
 104                 [ "$(($4))" -gt 0 ] || continue
 105                 [ "$(($__mask & $2))" -eq "$((${3:-$2}))" ] || continue
 106                 __out="$__out[$1]"
 107         done
 108         IFS="$oifs"
 109
 110         export -n -- "$__var=$__out"
 111 }
 112
 113 mac80211_add_he_capabilities() {
 114         local __out= oifs
 115
 116         oifs="$IFS"
 117         IFS=:
 118         for capab in "$@"; do
 119                 set -- $capab
 120                 [ "$(($4))" -gt 0 ] || continue
 121                 [ "$(((0x$2) & $3))" -gt 0 ] || {
 122                         eval "$1=0"
 123                         continue
 124                 }
 125                 append base_cfg "$1=1" "$N"
 126         done
 127         IFS="$oifs"
 128 }
 129
 130 mac80211_hostapd_setup_base() {
 131         local phy="$1"
 132
 133         json_select config
 134
 135         [ "$auto_channel" -gt 0 ] && channel=acs_survey
 136
 137         [ "$auto_channel" -gt 0 ] && json_get_vars acs_exclude_dfs
 138         [ -n "$acs_exclude_dfs" ] && [ "$acs_exclude_dfs" -gt 0 ] &&
 139                 append base_cfg "acs_exclude_dfs=1" "$N"
 140
 141         json_get_vars noscan ht_coex min_tx_power:0
 142         json_get_values ht_capab_list ht_capab tx_burst
 143         json_get_values channel_list channels
 144
 145         [ "$auto_channel" = 0 ] && [ -z "$channel_list" ] && \
 146                 channel_list="$channel"
 147
 148         [ "$min_tx_power" -gt 0 ] && append base_cfg "min_tx_power=$min_tx_power"
 149
 150         set_default noscan 0
 151
 152         [ "$noscan" -gt 0 ] && hostapd_noscan=1
 153         [ "$tx_burst" = 0 ] && tx_burst=
 154
 155         chan_ofs=0
 156         [ "$band" = "6g" ] && chan_ofs=1
 157
 158         ieee80211n=1
 159         ht_capab=
 160         case "$htmode" in
 161                 VHT20|HT20|HE20) ;;
 162                 HT40*|VHT40|VHT80|VHT160|HE40|HE80|HE160)
 163                         case "$hwmode" in
 164                                 a)
 165                                         case "$(( (($channel / 4) + $chan_ofs) % 2 ))" in
 166                                                 1) ht_capab="[HT40+]";;
 167                                                 0) ht_capab="[HT40-]";;
 168                                         esac
 169                                 ;;
 170                                 *)
 171                                         case "$htmode" in
 172                                                 HT40+) ht_capab="[HT40+]";;
 173                                                 HT40-) ht_capab="[HT40-]";;
 174                                                 *)
 175                                                         if [ "$channel" -lt 7 ]; then
 176                                                                 ht_capab="[HT40+]"
 177                                                         else
 178                                                                 ht_capab="[HT40-]"
 179                                                         fi
 180                                                 ;;
 181                                         esac
 182                                 ;;
 183                         esac
 184                         [ "$auto_channel" -gt 0 ] && ht_capab="[HT40+]"
 185                 ;;
 186                 *) ieee80211n= ;;
 187         esac
 188
 189         [ -n "$ieee80211n" ] && {
 190                 append base_cfg "ieee80211n=1" "$N"
 191
 192                 set_default ht_coex 0
 193                 append base_cfg "ht_coex=$ht_coex" "$N"
 194
 195                 json_get_vars \
 196                         ldpc:1 \
 197                         greenfield:0 \
 198                         short_gi_20:1 \
 199                         short_gi_40:1 \
 200                         tx_stbc:1 \
 201                         rx_stbc:3 \
 202                         max_amsdu:1 \
 203                         dsss_cck_40:1
 204
 205                 ht_cap_mask=0
 206                 for cap in $(iw phy "$phy" info | grep 'Capabilities:' | cut -d: -f2); do
 207                         ht_cap_mask="$(($ht_cap_mask | $cap))"
 208                 done
 209
 210                 cap_rx_stbc=$((($ht_cap_mask >> 8) & 3))
 211                 [ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc="$rx_stbc"
 212                 ht_cap_mask="$(( ($ht_cap_mask & ~(0x300)) | ($cap_rx_stbc << 8) ))"
 213
 214                 mac80211_add_capabilities ht_capab_flags $ht_cap_mask \
 215                         LDPC:0x1::$ldpc \
 216                         GF:0x10::$greenfield \
 217                         SHORT-GI-20:0x20::$short_gi_20 \
 218                         SHORT-GI-40:0x40::$short_gi_40 \
 219                         TX-STBC:0x80::$tx_stbc \
 220                         RX-STBC1:0x300:0x100:1 \
 221                         RX-STBC12:0x300:0x200:1 \
 222                         RX-STBC123:0x300:0x300:1 \
 223                         MAX-AMSDU-7935:0x800::$max_amsdu \
 224                         DSSS_CCK-40:0x1000::$dsss_cck_40
 225
 226                 ht_capab="$ht_capab$ht_capab_flags"
 227                 [ -n "$ht_capab" ] && append base_cfg "ht_capab=$ht_capab" "$N"
 228         }
 229
 230         # 802.11ac
 231         enable_ac=0
 232         vht_oper_chwidth=0
 233         vht_center_seg0=
 234
 235         idx="$channel"
 236         case "$htmode" in
 237                 VHT20|HE20) enable_ac=1;;
 238                 VHT40|HE40)
 239                         case "$(( (($channel / 4) + $chan_ofs) % 2 ))" in
 240                                 1) idx=$(($channel + 2));;
 241                                 0) idx=$(($channel - 2));;
 242                         esac
 243                         enable_ac=1
 244                         vht_center_seg0=$idx
 245                 ;;
 246                 VHT80|HE80)
 247                         case "$(( (($channel / 4) + $chan_ofs) % 4 ))" in
 248                                 1) idx=$(($channel + 6));;
 249                                 2) idx=$(($channel + 2));;
 250                                 3) idx=$(($channel - 2));;
 251                                 0) idx=$(($channel - 6));;
 252                         esac
 253                         enable_ac=1
 254                         vht_oper_chwidth=1
 255                         vht_center_seg0=$idx
 256                 ;;
 257                 VHT160|HE160)
 258                         if [ "$band" = "6g" ]; then
 259                                 case "$channel" in
 260                                         1|5|9|13|17|21|25|29) idx=15;;
 261                                         33|37|41|45|49|53|57|61) idx=47;;
 262                                         65|69|73|77|81|85|89|93) idx=79;;
 263                                         97|101|105|109|113|117|121|125) idx=111;;
 264                                         129|133|137|141|145|149|153|157) idx=143;;
 265                                         161|165|169|173|177|181|185|189) idx=175;;
 266                                         193|197|201|205|209|213|217|221) idx=207;;
 267                                 esac
 268                         else
 269                                 case "$channel" in
 270                                         36|40|44|48|52|56|60|64) idx=50;;
 271                                         100|104|108|112|116|120|124|128) idx=114;;
 272                                 esac
 273                         fi
 274                         enable_ac=1
 275                         vht_oper_chwidth=2
 276                         vht_center_seg0=$idx
 277                 ;;
 278         esac
 279         [ "$band" = "5g" ] && {
 280                 json_get_vars background_radar:0
 281
 282                 [ "$background_radar" -eq 1 ] && append base_cfg "enable_background_radar=1" "$N"
 283         }
 284         [ "$band" = "6g" ] && {
 285                 op_class=
 286                 case "$htmode" in
 287                         HE20) op_class=131;;
 288                         HE*) op_class=$((132 + $vht_oper_chwidth))
 289                 esac
 290                 [ -n "$op_class" ] && append base_cfg "op_class=$op_class" "$N"
 291         }
 292         [ "$hwmode" = "a" ] || enable_ac=0
 293
 294         if [ "$enable_ac" != "0" ]; then
 295                 json_get_vars \
 296                         rxldpc:1 \
 297                         short_gi_80:1 \
 298                         short_gi_160:1 \
 299                         tx_stbc_2by1:1 \
 300                         su_beamformer:1 \
 301                         su_beamformee:1 \
 302                         mu_beamformer:1 \
 303                         mu_beamformee:1 \
 304                         vht_txop_ps:1 \
 305                         htc_vht:1 \
 306                         beamformee_antennas:4 \
 307                         beamformer_antennas:4 \
 308                         rx_antenna_pattern:1 \
 309                         tx_antenna_pattern:1 \
 310                         vht_max_a_mpdu_len_exp:7 \
 311                         vht_max_mpdu:11454 \
 312                         rx_stbc:4 \
 313                         vht_link_adapt:3 \
 314                         vht160:2
 315
 316                 set_default tx_burst 2.0
 317                 append base_cfg "ieee80211ac=1" "$N"
 318                 vht_cap=0
 319                 for cap in $(iw phy "$phy" info | awk -F "[()]" '/VHT Capabilities/ { print $2 }'); do
 320                         vht_cap="$(($vht_cap | $cap))"
 321                 done
 322
 323                 append base_cfg "vht_oper_chwidth=$vht_oper_chwidth" "$N"
 324                 append base_cfg "vht_oper_centr_freq_seg0_idx=$vht_center_seg0" "$N"
 325
 326                 cap_rx_stbc=$((($vht_cap >> 8) & 7))
 327                 [ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc="$rx_stbc"
 328                 vht_cap="$(( ($vht_cap & ~(0x700)) | ($cap_rx_stbc << 8) ))"
 329
 330                 mac80211_add_capabilities vht_capab $vht_cap \
 331                         RXLDPC:0x10::$rxldpc \
 332                         SHORT-GI-80:0x20::$short_gi_80 \
 333                         SHORT-GI-160:0x40::$short_gi_160 \
 334                         TX-STBC-2BY1:0x80::$tx_stbc_2by1 \
 335                         SU-BEAMFORMER:0x800::$su_beamformer \
 336                         SU-BEAMFORMEE:0x1000::$su_beamformee \
 337                         MU-BEAMFORMER:0x80000::$mu_beamformer \
 338                         MU-BEAMFORMEE:0x100000::$mu_beamformee \
 339                         VHT-TXOP-PS:0x200000::$vht_txop_ps \
 340                         HTC-VHT:0x400000::$htc_vht \
 341                         RX-ANTENNA-PATTERN:0x10000000::$rx_antenna_pattern \
 342                         TX-ANTENNA-PATTERN:0x20000000::$tx_antenna_pattern \
 343                         RX-STBC-1:0x700:0x100:1 \
 344                         RX-STBC-12:0x700:0x200:1 \
 345                         RX-STBC-123:0x700:0x300:1 \
 346                         RX-STBC-1234:0x700:0x400:1 \
 347
 348                 [ "$(($vht_cap & 0x800))" -gt 0 -a "$su_beamformer" -gt 0 ] && {
 349                         cap_ant="$(( ( ($vht_cap >> 16) & 3 ) + 1 ))"
 350                         [ "$cap_ant" -gt "$beamformer_antennas" ] && cap_ant="$beamformer_antennas"
 351                         [ "$cap_ant" -gt 1 ] && vht_capab="$vht_capab[SOUNDING-DIMENSION-$cap_ant]"
 352                 }
 353
 354                 [ "$(($vht_cap & 0x1000))" -gt 0 -a "$su_beamformee" -gt 0 ] && {
 355                         cap_ant="$(( ( ($vht_cap >> 13) & 3 ) + 1 ))"
 356                         [ "$cap_ant" -gt "$beamformee_antennas" ] && cap_ant="$beamformee_antennas"
 357                         [ "$cap_ant" -gt 1 ] && vht_capab="$vht_capab[BF-ANTENNA-$cap_ant]"
 358                 }
 359
 360                 # supported Channel widths
 361                 vht160_hw=0
 362                 [ "$(($vht_cap & 12))" -eq 4 -a 1 -le "$vht160" ] && \
 363                         vht160_hw=1
 364                 [ "$(($vht_cap & 12))" -eq 8 -a 2 -le "$vht160" ] && \
 365                         vht160_hw=2
 366                 [ "$vht160_hw" = 1 ] && vht_capab="$vht_capab[VHT160]"
 367                 [ "$vht160_hw" = 2 ] && vht_capab="$vht_capab[VHT160-80PLUS80]"
 368
 369                 # maximum MPDU length
 370                 vht_max_mpdu_hw=3895
 371                 [ "$(($vht_cap & 3))" -ge 1 -a 7991 -le "$vht_max_mpdu" ] && \
 372                         vht_max_mpdu_hw=7991
 373                 [ "$(($vht_cap & 3))" -ge 2 -a 11454 -le "$vht_max_mpdu" ] && \
 374                         vht_max_mpdu_hw=11454
 375                 [ "$vht_max_mpdu_hw" != 3895 ] && \
 376                         vht_capab="$vht_capab[MAX-MPDU-$vht_max_mpdu_hw]"
 377
 378                 # maximum A-MPDU length exponent
 379                 vht_max_a_mpdu_len_exp_hw=0
 380                 [ "$(($vht_cap & 58720256))" -ge 8388608 -a 1 -le "$vht_max_a_mpdu_len_exp" ] && \
 381                         vht_max_a_mpdu_len_exp_hw=1
 382                 [ "$(($vht_cap & 58720256))" -ge 16777216 -a 2 -le "$vht_max_a_mpdu_len_exp" ] && \
 383                         vht_max_a_mpdu_len_exp_hw=2
 384                 [ "$(($vht_cap & 58720256))" -ge 25165824 -a 3 -le "$vht_max_a_mpdu_len_exp" ] && \
 385                         vht_max_a_mpdu_len_exp_hw=3
 386                 [ "$(($vht_cap & 58720256))" -ge 33554432 -a 4 -le "$vht_max_a_mpdu_len_exp" ] && \
 387                         vht_max_a_mpdu_len_exp_hw=4
 388                 [ "$(($vht_cap & 58720256))" -ge 41943040 -a 5 -le "$vht_max_a_mpdu_len_exp" ] && \
 389                         vht_max_a_mpdu_len_exp_hw=5
 390                 [ "$(($vht_cap & 58720256))" -ge 50331648 -a 6 -le "$vht_max_a_mpdu_len_exp" ] && \
 391                         vht_max_a_mpdu_len_exp_hw=6
 392                 [ "$(($vht_cap & 58720256))" -ge 58720256 -a 7 -le "$vht_max_a_mpdu_len_exp" ] && \
 393                         vht_max_a_mpdu_len_exp_hw=7
 394                 vht_capab="$vht_capab[MAX-A-MPDU-LEN-EXP$vht_max_a_mpdu_len_exp_hw]"
 395
 396                 # whether or not the STA supports link adaptation using VHT variant
 397                 vht_link_adapt_hw=0
 398                 [ "$(($vht_cap & 201326592))" -ge 134217728 -a 2 -le "$vht_link_adapt" ] && \
 399                         vht_link_adapt_hw=2
 400                 [ "$(($vht_cap & 201326592))" -ge 201326592 -a 3 -le "$vht_link_adapt" ] && \
 401                         vht_link_adapt_hw=3
 402                 [ "$vht_link_adapt_hw" != 0 ] && \
 403                         vht_capab="$vht_capab[VHT-LINK-ADAPT-$vht_link_adapt_hw]"
 404
 405                 [ -n "$vht_capab" ] && append base_cfg "vht_capab=$vht_capab" "$N"
 406         fi
 407
 408         # 802.11ax
 409         enable_ax=0
 410         case "$htmode" in
 411                 HE*) enable_ax=1 ;;
 412         esac
 413
 414         if [ "$enable_ax" != "0" ]; then
 415                 json_get_vars \
 416                         he_su_beamformer:1 \
 417                         he_su_beamformee:0 \
 418                         he_mu_beamformer:1 \
 419                         he_twt_required:0 \
 420                         he_spr_sr_control:0 \
 421                         he_spr_non_srg_obss_pd_max_offset:1 \
 422                         he_bss_color
 423
 424                 he_phy_cap=$(iw phy "$phy" info | awk -F "[()]" '/HE PHY Capabilities/ { print $2 }' | head -1)
 425                 he_phy_cap=${he_phy_cap:2}
 426                 he_mac_cap=$(iw phy "$phy" info | awk -F "[()]" '/HE MAC Capabilities/ { print $2 }' | head -1)
 427                 he_mac_cap=${he_mac_cap:2}
 428
 429                 append base_cfg "ieee80211ax=1" "$N"
 430                 [ "$hwmode" = "a" ] && {
 431                         append base_cfg "he_oper_chwidth=$vht_oper_chwidth" "$N"
 432                         append base_cfg "he_oper_centr_freq_seg0_idx=$vht_center_seg0" "$N"
 433                 }
 434
 435                 set_default he_bss_color 128
 436                 append base_cfg "he_bss_color=$he_bss_color" "$N"
 437
 438                 mac80211_add_he_capabilities \
 439                         he_su_beamformer:${he_phy_cap:6:2}:0x80:$he_su_beamformer \
 440                         he_su_beamformee:${he_phy_cap:8:2}:0x1:$he_su_beamformee \
 441                         he_mu_beamformer:${he_phy_cap:8:2}:0x2:$he_mu_beamformer \
 442                         he_spr_sr_control:${he_phy_cap:14:2}:0x1:$he_spr_sr_control \
 443                         he_twt_required:${he_mac_cap:0:2}:0x6:$he_twt_required
 444
 445                 [ "$he_spr_sr_control" -gt 0 ] && append base_cfg "he_spr_non_srg_obss_pd_max_offset=$he_spr_non_srg_obss_pd_max_offset" "$N"
 446
 447                 append base_cfg "he_default_pe_duration=4" "$N"
 448                 append base_cfg "he_rts_threshold=1023" "$N"
 449                 append base_cfg "he_mu_edca_qos_info_param_count=0" "$N"
 450                 append base_cfg "he_mu_edca_qos_info_q_ack=0" "$N"
 451                 append base_cfg "he_mu_edca_qos_info_queue_request=0" "$N"
 452                 append base_cfg "he_mu_edca_qos_info_txop_request=0" "$N"
 453                 append base_cfg "he_mu_edca_ac_be_aifsn=8" "$N"
 454                 append base_cfg "he_mu_edca_ac_be_aci=0" "$N"
 455                 append base_cfg "he_mu_edca_ac_be_ecwmin=9" "$N"
 456                 append base_cfg "he_mu_edca_ac_be_ecwmax=10" "$N"
 457                 append base_cfg "he_mu_edca_ac_be_timer=255" "$N"
 458                 append base_cfg "he_mu_edca_ac_bk_aifsn=15" "$N"
 459                 append base_cfg "he_mu_edca_ac_bk_aci=1" "$N"
 460                 append base_cfg "he_mu_edca_ac_bk_ecwmin=9" "$N"
 461                 append base_cfg "he_mu_edca_ac_bk_ecwmax=10" "$N"
 462                 append base_cfg "he_mu_edca_ac_bk_timer=255" "$N"
 463                 append base_cfg "he_mu_edca_ac_vi_ecwmin=5" "$N"
 464                 append base_cfg "he_mu_edca_ac_vi_ecwmax=7" "$N"
 465                 append base_cfg "he_mu_edca_ac_vi_aifsn=5" "$N"
 466                 append base_cfg "he_mu_edca_ac_vi_aci=2" "$N"
 467                 append base_cfg "he_mu_edca_ac_vi_timer=255" "$N"
 468                 append base_cfg "he_mu_edca_ac_vo_aifsn=5" "$N"
 469                 append base_cfg "he_mu_edca_ac_vo_aci=3" "$N"
 470                 append base_cfg "he_mu_edca_ac_vo_ecwmin=5" "$N"
 471                 append base_cfg "he_mu_edca_ac_vo_ecwmax=7" "$N"
 472                 append base_cfg "he_mu_edca_ac_vo_timer=255" "$N"
 473         fi
 474
 475         hostapd_prepare_device_config "$hostapd_conf_file" nl80211
 476         cat >> "$hostapd_conf_file" <<EOF
 477 ${channel:+channel=$channel}
 478 ${channel_list:+chanlist=$channel_list}
 479 ${hostapd_noscan:+noscan=1}
 480 ${tx_burst:+tx_queue_data2_burst=$tx_burst}
 481 $base_cfg
 482
 483 EOF
 484         json_select ..
 485         radio_md5sum=$(md5sum $hostapd_conf_file | cut -d" " -f1)
 486         echo "radio_config_id=${radio_md5sum}" >> $hostapd_conf_file
 487 }
 488
 489 mac80211_hostapd_setup_bss() {
 490         local phy="$1"
 491         local ifname="$2"
 492         local macaddr="$3"
 493         local type="$4"
 494
 495         hostapd_cfg=
 496         append hostapd_cfg "$type=$ifname" "$N"
 497
 498         hostapd_set_bss_options hostapd_cfg "$phy" "$vif" || return 1
 499         json_get_vars wds wds_bridge dtim_period max_listen_int start_disabled
 500
 501         set_default wds 0
 502         set_default start_disabled 0
 503
 504         [ "$wds" -gt 0 ] && {
 505                 append hostapd_cfg "wds_sta=1" "$N"
 506                 [ -n "$wds_bridge" ] && append hostapd_cfg "wds_bridge=$wds_bridge" "$N"
 507         }
 508         [ "$staidx" -gt 0 -o "$start_disabled" -eq 1 ] && append hostapd_cfg "start_disabled=1" "$N"
 509
 510         cat >> /var/run/hostapd-$phy.conf <<EOF
 511 $hostapd_cfg
 512 bssid=$macaddr
 513 ${dtim_period:+dtim_period=$dtim_period}
 514 ${max_listen_int:+max_listen_interval=$max_listen_int}
 515 EOF
 516 }
 517
 518 mac80211_get_addr() {
 519         local phy="$1"
 520         local idx="$(($2 + 1))"
 521
 522         head -n $idx /sys/class/ieee80211/${phy}/addresses | tail -n1
 523 }
 524
 525 mac80211_generate_mac() {
 526         local phy="$1"
 527         local id="${macidx:-0}"
 528
 529         local ref="$(cat /sys/class/ieee80211/${phy}/macaddress)"
 530         local mask="$(cat /sys/class/ieee80211/${phy}/address_mask)"
 531
 532         [ "$mask" = "00:00:00:00:00:00" ] && {
 533                 mask="ff:ff:ff:ff:ff:ff";
 534
 535                 [ "$(wc -l < /sys/class/ieee80211/${phy}/addresses)" -gt $id ] && {
 536                         addr="$(mac80211_get_addr "$phy" "$id")"
 537                         [ -n "$addr" ] && {
 538                                 echo "$addr"
 539                                 return
 540                         }
 541                 }
 542         }
 543
 544         local oIFS="$IFS"; IFS=":"; set -- $mask; IFS="$oIFS"
 545
 546         local mask1=$1
 547         local mask6=$6
 548
 549         local oIFS="$IFS"; IFS=":"; set -- $ref; IFS="$oIFS"
 550
 551         macidx=$(($id + 1))
 552         [ "$((0x$mask1))" -gt 0 ] && {
 553                 b1="0x$1"
 554                 [ "$id" -gt 0 ] && \
 555                         b1=$(($b1 ^ ((($id - !($b1 & 2)) << 2)) | 0x2))
 556                 printf "%02x:%s:%s:%s:%s:%s" $b1 $2 $3 $4 $5 $6
 557                 return
 558         }
 559
 560         [ "$((0x$mask6))" -lt 255 ] && {
 561                 printf "%s:%s:%s:%s:%s:%02x" $1 $2 $3 $4 $5 $(( 0x$6 ^ $id ))
 562                 return
 563         }
 564
 565         off2=$(( (0x$6 + $id) / 0x100 ))
 566         printf "%s:%s:%s:%s:%02x:%02x" \
 567                 $1 $2 $3 $4 \
 568                 $(( (0x$5 + $off2) % 0x100 )) \
 569                 $(( (0x$6 + $id) % 0x100 ))
 570 }
 571
 572 find_phy() {
 573         [ -n "$phy" -a -d /sys/class/ieee80211/$phy ] && return 0
 574         [ -n "$path" ] && {
 575                 phy="$(iwinfo nl80211 phyname "path=$path")"
 576                 [ -n "$phy" ] && return 0
 577         }
 578         [ -n "$macaddr" ] && {
 579                 for phy in $(ls /sys/class/ieee80211 2>/dev/null); do
 580                         grep -i -q "$macaddr" "/sys/class/ieee80211/${phy}/macaddress" && return 0
 581                 done
 582         }
 583         return 1
 584 }
 585
 586 mac80211_check_ap() {
 587         has_ap=1
 588 }
 589
 590 mac80211_iw_interface_add() {
 591         local phy="$1"
 592         local ifname="$2"
 593         local type="$3"
 594         local wdsflag="$4"
 595         local rc
 596         local oldifname
 597
 598         iw phy "$phy" interface add "$ifname" type "$type" $wdsflag >/dev/null 2>&1
 599         rc="$?"
 600
 601         [ "$rc" = 233 ] && {
 602                 # Device might have just been deleted, give the kernel some time to finish cleaning it up
 603                 sleep 1
 604
 605                 iw phy "$phy" interface add "$ifname" type "$type" $wdsflag >/dev/null 2>&1
 606                 rc="$?"
 607         }
 608
 609         [ "$rc" = 233 ] && {
 610                 # Keep matching pre-existing interface
 611                 [ -d "/sys/class/ieee80211/${phy}/device/net/${ifname}" ] && \
 612                 case "$(iw dev $ifname info | grep "^\ttype" | cut -d' ' -f2- 2>/dev/null)" in
 613                         "AP")
 614                                 [ "$type" = "__ap" ] && rc=0
 615                                 ;;
 616                         "IBSS")
 617                                 [ "$type" = "adhoc" ] && rc=0
 618                                 ;;
 619                         "managed")
 620                                 [ "$type" = "managed" ] && rc=0
 621                                 ;;
 622                         "mesh point")
 623                                 [ "$type" = "mp" ] && rc=0
 624                                 ;;
 625                         "monitor")
 626                                 [ "$type" = "monitor" ] && rc=0
 627                                 ;;
 628                 esac
 629         }
 630
 631         [ "$rc" = 233 ] && {
 632                 iw dev "$ifname" del >/dev/null 2>&1
 633                 [ "$?" = 0 ] && {
 634                         sleep 1
 635
 636                         iw phy "$phy" interface add "$ifname" type "$type" $wdsflag >/dev/null 2>&1
 637                         rc="$?"
 638                 }
 639         }
 640
 641         [ "$rc" != 0 ] && {
 642                 # Device might not support virtual interfaces, so the interface never got deleted in the first place.
 643                 # Check if the interface already exists, and avoid failing in this case.
 644                 [ -d "/sys/class/ieee80211/${phy}/device/net/${ifname}" ] && rc=0
 645         }
 646
 647         [ "$rc" != 0 ] && {
 648                 # Device doesn't support virtual interfaces and may have existing interface other than ifname.
 649                 oldifname="$(basename "/sys/class/ieee80211/${phy}/device/net"/* 2>/dev/null)"
 650                 [ "$oldifname" ] && ip link set "$oldifname" name "$ifname" 1>/dev/null 2>&1
 651                 rc="$?"
 652         }
 653
 654         [ "$rc" != 0 ] && echo "Failed to create interface $ifname"
 655         return $rc
 656 }
 657
 658 mac80211_prepare_vif() {
 659         json_select config
 660
 661         json_get_vars ifname mode ssid wds powersave macaddr enable wpa_psk_file vlan_file
 662
 663         [ -n "$ifname" ] || ifname="wlan${phy#phy}${if_idx:+-$if_idx}"
 664         if_idx=$((${if_idx:-0} + 1))
 665
 666         set_default wds 0
 667         set_default powersave 0
 668
 669         json_select ..
 670
 671         if [ -z "$macaddr" ]; then
 672                 macaddr="$(mac80211_generate_mac $phy)"
 673                 macidx="$(($macidx + 1))"
 674         elif [ "$macaddr" = 'random' ]; then
 675                 macaddr="$(macaddr_random)"
 676         fi
 677
 678         json_add_object data
 679         json_add_string ifname "$ifname"
 680         json_close_object
 681
 682         [ "$mode" == "ap" ] && {
 683                 [ -z "$wpa_psk_file" ] && hostapd_set_psk "$ifname"
 684                 [ -z "$vlan_file" ] && hostapd_set_vlan "$ifname"
 685         }
 686
 687         json_select config
 688
 689         # It is far easier to delete and create the desired interface
 690         case "$mode" in
 691                 adhoc)
 692                         mac80211_iw_interface_add "$phy" "$ifname" adhoc || return
 693                 ;;
 694                 ap)
 695                         # Hostapd will handle recreating the interface and
 696                         # subsequent virtual APs belonging to the same PHY
 697                         if [ -n "$hostapd_ctrl" ]; then
 698                                 type=bss
 699                         else
 700                                 type=interface
 701                         fi
 702
 703                         mac80211_hostapd_setup_bss "$phy" "$ifname" "$macaddr" "$type" || return
 704
 705                         NEWAPLIST="${NEWAPLIST}$ifname "
 706                         [ -n "$hostapd_ctrl" ] || {
 707                                 ap_ifname="${ifname}"
 708                                 hostapd_ctrl="${hostapd_ctrl:-/var/run/hostapd/$ifname}"
 709                         }
 710                 ;;
 711                 mesh)
 712                         mac80211_iw_interface_add "$phy" "$ifname" mp || return
 713                 ;;
 714                 monitor)
 715                         mac80211_iw_interface_add "$phy" "$ifname" monitor || return
 716                 ;;
 717                 sta)
 718                         local wdsflag=
 719                         [ "$enable" = 0 ] || staidx="$(($staidx + 1))"
 720                         [ "$wds" -gt 0 ] && wdsflag="4addr on"
 721                         mac80211_iw_interface_add "$phy" "$ifname" managed "$wdsflag" || return
 722                         if [ "$wds" -gt 0 ]; then
 723                                 iw "$ifname" set 4addr on
 724                         else
 725                                 iw "$ifname" set 4addr off
 726                         fi
 727                         [ "$powersave" -gt 0 ] && powersave="on" || powersave="off"
 728                         iw "$ifname" set power_save "$powersave"
 729                 ;;
 730         esac
 731
 732         case "$mode" in
 733                 monitor|mesh)
 734                         [ "$auto_channel" -gt 0 ] || iw dev "$ifname" set channel "$channel" $iw_htmode
 735                 ;;
 736         esac
 737
 738         if [ "$mode" != "ap" ]; then
 739                 # ALL ap functionality will be passed to hostapd
 740                 # All interfaces must have unique mac addresses
 741                 # which can either be explicitly set in the device
 742                 # section, or automatically generated
 743                 ip link set dev "$ifname" address "$macaddr"
 744         fi
 745
 746         json_select ..
 747 }
 748
 749 mac80211_setup_supplicant() {
 750         local enable=$1
 751         local add_sp=0
 752         local spobj="$(ubus -S list | grep wpa_supplicant.${ifname})"
 753
 754         [ "$enable" = 0 ] && {
 755                 ubus call wpa_supplicant.${phy} config_remove "{\"iface\":\"$ifname\"}"
 756                 ip link set dev "$ifname" down
 757                 iw dev "$ifname" del
 758                 return 0
 759         }
 760
 761         wpa_supplicant_prepare_interface "$ifname" nl80211 || {
 762                 iw dev "$ifname" del
 763                 return 1
 764         }
 765         if [ "$mode" = "sta" ]; then
 766                 wpa_supplicant_add_network "$ifname"
 767         else
 768                 wpa_supplicant_add_network "$ifname" "$freq" "$htmode" "$noscan"
 769         fi
 770
 771         NEWSPLIST="${NEWSPLIST}$ifname "
 772
 773         if [ "${NEWAPLIST%% *}" != "${OLDAPLIST%% *}" ]; then
 774                 [ "$spobj" ] && ubus call wpa_supplicant config_remove "{\"iface\":\"$ifname\"}"
 775                 add_sp=1
 776         fi
 777         [ -z "$spobj" ] && add_sp=1
 778
 779         NEW_MD5_SP=$(test -e "${_config}" && md5sum ${_config})
 780         OLD_MD5_SP=$(uci -q -P /var/state get wireless._${phy}.md5_${ifname})
 781         if [ "$add_sp" = "1" ]; then
 782                 wpa_supplicant_run "$ifname" "$hostapd_ctrl"
 783         else
 784                 [ "${NEW_MD5_SP}" == "${OLD_MD5_SP}" ] || ubus call $spobj reload
 785         fi
 786         uci -q -P /var/state set wireless._${phy}.md5_${ifname}="${NEW_MD5_SP}"
 787         return 0
 788 }
 789
 790 mac80211_setup_supplicant_noctl() {
 791         local enable=$1
 792         local spobj="$(ubus -S list | grep wpa_supplicant.${ifname})"
 793         wpa_supplicant_prepare_interface "$ifname" nl80211 || {
 794                 iw dev "$ifname" del
 795                 return 1
 796         }
 797
 798         wpa_supplicant_add_network "$ifname" "$freq" "$htmode" "$noscan"
 799
 800         NEWSPLIST="${NEWSPLIST}$ifname "
 801         [ "$enable" = 0 ] && {
 802                 ubus call wpa_supplicant config_remove "{\"iface\":\"$ifname\"}"
 803                 ip link set dev "$ifname" down
 804                 return 0
 805         }
 806         if [ -z "$spobj" ]; then
 807                 wpa_supplicant_run "$ifname"
 808         else
 809                 ubus call $spobj reload
 810         fi
 811 }
 812
 813 mac80211_prepare_iw_htmode() {
 814         case "$htmode" in
 815                 VHT20|HT20) iw_htmode=HT20;;
 816                 HT40*|VHT40|VHT160)
 817                         case "$band" in
 818                                 2g)
 819                                         case "$htmode" in
 820                                                 HT40+) iw_htmode="HT40+";;
 821                                                 HT40-) iw_htmode="HT40-";;
 822                                                 *)
 823                                                         if [ "$channel" -lt 7 ]; then
 824                                                                 iw_htmode="HT40+"
 825                                                         else
 826                                                                 iw_htmode="HT40-"
 827                                                         fi
 828                                                 ;;
 829                                         esac
 830                                 ;;
 831                                 *)
 832                                         case "$(( ($channel / 4) % 2 ))" in
 833                                                 1) iw_htmode="HT40+" ;;
 834                                                 0) iw_htmode="HT40-";;
 835                                         esac
 836                                 ;;
 837                         esac
 838                         [ "$auto_channel" -gt 0 ] && iw_htmode="HT40+"
 839                 ;;
 840                 VHT80)
 841                         iw_htmode="80MHZ"
 842                 ;;
 843                 NONE|NOHT)
 844                         iw_htmode="NOHT"
 845                 ;;
 846                 *) iw_htmode="" ;;
 847         esac
 848 }
 849
 850 mac80211_setup_adhoc() {
 851         local enable=$1
 852         json_get_vars bssid ssid key mcast_rate
 853
 854         NEWUMLIST="${NEWUMLIST}$ifname "
 855
 856         [ "$enable" = 0 ] && {
 857                 ip link set dev "$ifname" down
 858                 return 0
 859         }
 860
 861         keyspec=
 862         [ "$auth_type" = "wep" ] && {
 863                 set_default key 1
 864                 case "$key" in
 865                         [1234])
 866                                 local idx
 867                                 for idx in 1 2 3 4; do
 868                                         json_get_var ikey "key$idx"
 869
 870                                         [ -n "$ikey" ] && {
 871                                                 ikey="$(($idx - 1)):$(prepare_key_wep "$ikey")"
 872                                                 [ $idx -eq $key ] && ikey="d:$ikey"
 873                                                 append keyspec "$ikey"
 874                                         }
 875                                 done
 876                         ;;
 877                         *)
 878                                 append keyspec "d:0:$(prepare_key_wep "$key")"
 879                         ;;
 880                 esac
 881         }
 882
 883         brstr=
 884         for br in $basic_rate_list; do
 885                 wpa_supplicant_add_rate brstr "$br"
 886         done
 887
 888         mcval=
 889         [ -n "$mcast_rate" ] && wpa_supplicant_add_rate mcval "$mcast_rate"
 890
 891         iw dev "$ifname" set type ibss
 892         iw dev "$ifname" ibss join "$ssid" $freq $iw_htmode fixed-freq $bssid \
 893                 beacon-interval $beacon_int \
 894                 ${brstr:+basic-rates $brstr} \
 895                 ${mcval:+mcast-rate $mcval} \
 896                 ${keyspec:+keys $keyspec}
 897 }
 898
 899 mac80211_setup_mesh() {
 900         local enable=$1
 901         json_get_vars ssid mesh_id mcast_rate
 902
 903         NEWUMLIST="${NEWUMLIST}$ifname "
 904
 905         [ "$enable" = 0 ] && {
 906                 ip link set dev "$ifname" down
 907                 return 0
 908         }
 909
 910         mcval=
 911         [ -n "$mcast_rate" ] && wpa_supplicant_add_rate mcval "$mcast_rate"
 912         [ -n "$mesh_id" ] && ssid="$mesh_id"
 913
 914         iw dev "$ifname" mesh join "$ssid" freq $freq $iw_htmode \
 915                 ${mcval:+mcast-rate $mcval} \
 916                 beacon-interval $beacon_int
 917 }
 918
 919 mac80211_setup_vif() {
 920         local name="$1"
 921         local failed
 922         local action=up
 923
 924         json_select data
 925         json_get_vars ifname
 926         json_select ..
 927
 928         json_select config
 929         json_get_vars mode
 930         json_get_var vif_txpower
 931         json_get_var vif_enable enable 1
 932
 933         [ "$vif_enable" = 1 ] || action=down
 934         if [ "$mode" != "ap" ] || [ "$ifname" = "$ap_ifname" ]; then
 935                 ip link set dev "$ifname" "$action" || {
 936                         wireless_setup_vif_failed IFUP_ERROR
 937                         json_select ..
 938                         return
 939                 }
 940                 [ -z "$vif_txpower" ] || iw dev "$ifname" set txpower fixed "${vif_txpower%%.*}00"
 941         fi
 942
 943         case "$mode" in
 944                 mesh)
 945                         wireless_vif_parse_encryption
 946                         [ -z "$htmode" ] && htmode="NOHT";
 947                         if [ "$wpa" -gt 0 -o "$auto_channel" -gt 0 ] || chan_is_dfs "$phy" "$channel"; then
 948                                 mac80211_setup_supplicant $vif_enable || failed=1
 949                         else
 950                                 mac80211_setup_mesh $vif_enable
 951                         fi
 952                         for var in $MP_CONFIG_INT $MP_CONFIG_BOOL $MP_CONFIG_STRING; do
 953                                 json_get_var mp_val "$var"
 954                                 [ -n "$mp_val" ] && iw dev "$ifname" set mesh_param "$var" "$mp_val"
 955                         done
 956                 ;;
 957                 adhoc)
 958                         wireless_vif_parse_encryption
 959                         if [ "$wpa" -gt 0 -o "$auto_channel" -gt 0 ]; then
 960                                 mac80211_setup_supplicant_noctl $vif_enable || failed=1
 961                         else
 962                                 mac80211_setup_adhoc $vif_enable
 963                         fi
 964                 ;;
 965                 sta)
 966                         mac80211_setup_supplicant $vif_enable || failed=1
 967                 ;;
 968         esac
 969
 970         json_select ..
 971         [ -n "$failed" ] || wireless_add_vif "$name" "$ifname"
 972 }
 973
 974 get_freq() {
 975         local phy="$1"
 976         local channel="$2"
 977         local band="$3"
 978
 979         case "$band" in
 980                 2g) band="1:";;
 981                 5g) band="2:";;
 982                 60g) band="3:";;
 983                 6g) band="4:";;
 984         esac
 985
 986         iw "$phy" info | awk -v band="$band" -v channel="[$channel]" '
 987
 988 $1 ~ /Band/ {
 989         band_match = band == $2
 990 }
 991
 992 band_match && $3 == "MHz" && $4 == channel {
 993         print $2
 994         exit
 995 }
 996 '
 997 }
 998
 999
1000 chan_is_dfs() {
1001         local phy="$1"
1002         local chan="$2"
1003         iw "$phy" info | grep -E -m1 "(\* ${chan:-....} MHz${chan:+|\\[$chan\\]})" | grep -q "MHz.*radar detection"
1004         return $!
1005 }
1006
1007 mac80211_vap_cleanup() {
1008         local service="$1"
1009         local vaps="$2"
1010
1011         for wdev in $vaps; do
1012                 [ "$service" != "none" ] && ubus call ${service} config_remove "{\"iface\":\"$wdev\"}"
1013                 ip link set dev "$wdev" down 2>/dev/null
1014                 iw dev "$wdev" del
1015         done
1016 }
1017
1018 mac80211_interface_cleanup() {
1019         local phy="$1"
1020         local primary_ap=$(uci -q -P /var/state get wireless._${phy}.aplist)
1021         primary_ap=${primary_ap%% *}
1022
1023         mac80211_vap_cleanup hostapd "${primary_ap}"
1024         mac80211_vap_cleanup wpa_supplicant "$(uci -q -P /var/state get wireless._${phy}.splist)"
1025         mac80211_vap_cleanup none "$(uci -q -P /var/state get wireless._${phy}.umlist)"
1026 }
1027
1028 mac80211_set_noscan() {
1029         hostapd_noscan=1
1030 }
1031
1032 drv_mac80211_cleanup() {
1033         hostapd_common_cleanup
1034 }
1035
1036 drv_mac80211_setup() {
1037         json_select config
1038         json_get_vars \
1039                 phy macaddr path \
1040                 country chanbw distance \
1041                 txpower antenna_gain \
1042                 rxantenna txantenna \
1043                 frag rts beacon_int:100 htmode
1044         json_get_values basic_rate_list basic_rate
1045         json_get_values scan_list scan_list
1046         json_select ..
1047
1048         find_phy || {
1049                 echo "Could not find PHY for device '$1'"
1050                 wireless_set_retry 0
1051                 return 1
1052         }
1053
1054         wireless_set_data phy="$phy"
1055         [ -z "$(uci -q -P /var/state show wireless._${phy})" ] && uci -q -P /var/state set wireless._${phy}=phy
1056
1057         OLDAPLIST=$(uci -q -P /var/state get wireless._${phy}.aplist)
1058         OLDSPLIST=$(uci -q -P /var/state get wireless._${phy}.splist)
1059         OLDUMLIST=$(uci -q -P /var/state get wireless._${phy}.umlist)
1060
1061         local wdev
1062         local cwdev
1063         local found
1064
1065         for wdev in $(list_phy_interfaces "$phy"); do
1066                 found=0
1067                 for cwdev in $OLDAPLIST $OLDSPLIST $OLDUMLIST; do
1068                         if [ "$wdev" = "$cwdev" ]; then
1069                                 found=1
1070                                 break
1071                         fi
1072                 done
1073                 if [ "$found" = "0" ]; then
1074                         ip link set dev "$wdev" down
1075                         iw dev "$wdev" del
1076                 fi
1077         done
1078
1079         # convert channel to frequency
1080         [ "$auto_channel" -gt 0 ] || freq="$(get_freq "$phy" "$channel" "$band")"
1081
1082         [ -n "$country" ] && {
1083                 iw reg get | grep -q "^country $country:" || {
1084                         iw reg set "$country"
1085                         sleep 1
1086                 }
1087         }
1088
1089         hostapd_conf_file="/var/run/hostapd-$phy.conf"
1090
1091         no_ap=1
1092         macidx=0
1093         staidx=0
1094
1095         [ -n "$chanbw" ] && {
1096                 for file in /sys/kernel/debug/ieee80211/$phy/ath9k*/chanbw /sys/kernel/debug/ieee80211/$phy/ath5k/bwmode; do
1097                         [ -f "$file" ] && echo "$chanbw" > "$file"
1098                 done
1099         }
1100
1101         set_default rxantenna 0xffffffff
1102         set_default txantenna 0xffffffff
1103         set_default distance 0
1104         set_default antenna_gain 0
1105
1106         [ "$txantenna" = "all" ] && txantenna=0xffffffff
1107         [ "$rxantenna" = "all" ] && rxantenna=0xffffffff
1108
1109         iw phy "$phy" set antenna $txantenna $rxantenna >/dev/null 2>&1
1110         iw phy "$phy" set antenna_gain $antenna_gain >/dev/null 2>&1
1111         iw phy "$phy" set distance "$distance" >/dev/null 2>&1
1112
1113         if [ -n "$txpower" ]; then
1114                 iw phy "$phy" set txpower fixed "${txpower%%.*}00"
1115         else
1116                 iw phy "$phy" set txpower auto
1117         fi
1118
1119         [ -n "$frag" ] && iw phy "$phy" set frag "${frag%%.*}"
1120         [ -n "$rts" ] && iw phy "$phy" set rts "${rts%%.*}"
1121
1122         has_ap=
1123         hostapd_ctrl=
1124         ap_ifname=
1125         hostapd_noscan=
1126         for_each_interface "ap" mac80211_check_ap
1127
1128         rm -f "$hostapd_conf_file"
1129
1130         for_each_interface "sta adhoc mesh" mac80211_set_noscan
1131         [ -n "$has_ap" ] && mac80211_hostapd_setup_base "$phy"
1132
1133         mac80211_prepare_iw_htmode
1134         for_each_interface "sta adhoc mesh monitor" mac80211_prepare_vif
1135         NEWAPLIST=
1136         for_each_interface "ap" mac80211_prepare_vif
1137         NEW_MD5=$(test -e "${hostapd_conf_file}" && md5sum ${hostapd_conf_file})
1138         OLD_MD5=$(uci -q -P /var/state get wireless._${phy}.md5)
1139         if [ "${NEWAPLIST}" != "${OLDAPLIST}" ]; then
1140                 mac80211_vap_cleanup hostapd "${OLDAPLIST}"
1141         fi
1142         [ -n "${NEWAPLIST}" ] && mac80211_iw_interface_add "$phy" "${NEWAPLIST%% *}" __ap
1143         local add_ap=0
1144         local primary_ap=${NEWAPLIST%% *}
1145         [ -n "$hostapd_ctrl" ] && {
1146                 local no_reload=1
1147                 if [ -n "$(ubus list | grep hostapd.$primary_ap)" ]; then
1148                         no_reload=0
1149                         [ "${NEW_MD5}" = "${OLD_MD5}" ] || {
1150                                 ubus call hostapd.$primary_ap reload
1151                                 no_reload=$?
1152                                 if [ "$no_reload" != "0" ]; then
1153                                         mac80211_vap_cleanup hostapd "${OLDAPLIST}"
1154                                         mac80211_vap_cleanup wpa_supplicant "$(uci -q -P /var/state get wireless._${phy}.splist)"
1155                                         mac80211_vap_cleanup none "$(uci -q -P /var/state get wireless._${phy}.umlist)"
1156                                         sleep 2
1157                                         mac80211_iw_interface_add "$phy" "${NEWAPLIST%% *}" __ap
1158                                         for_each_interface "sta adhoc mesh monitor" mac80211_prepare_vif
1159                                 fi
1160                         }
1161                 fi
1162                 if [ "$no_reload" != "0" ]; then
1163                         add_ap=1
1164                         ubus wait_for hostapd
1165                         local hostapd_res="$(ubus call hostapd config_add "{\"iface\":\"$primary_ap\", \"config\":\"${hostapd_conf_file}\"}")"
1166                         ret="$?"
1167                         [ "$ret" != 0 -o -z "$hostapd_res" ] && {
1168                                 wireless_setup_failed HOSTAPD_START_FAILED
1169                                 return
1170                         }
1171                         wireless_add_process "$(jsonfilter -s "$hostapd_res" -l 1 -e @.pid)" "/usr/sbin/hostapd" 1 1
1172                 fi
1173         }
1174         uci -q -P /var/state set wireless._${phy}.aplist="${NEWAPLIST}"
1175         uci -q -P /var/state set wireless._${phy}.md5="${NEW_MD5}"
1176
1177         [ "${add_ap}" = 1 ] && sleep 1
1178         for_each_interface "ap" mac80211_setup_vif
1179
1180         NEWSPLIST=
1181         NEWUMLIST=
1182
1183         for_each_interface "sta adhoc mesh monitor" mac80211_setup_vif
1184
1185         uci -q -P /var/state set wireless._${phy}.splist="${NEWSPLIST}"
1186         uci -q -P /var/state set wireless._${phy}.umlist="${NEWUMLIST}"
1187
1188         local foundvap
1189         local dropvap=""
1190         for oldvap in $OLDSPLIST; do
1191                 foundvap=0
1192                 for newvap in $NEWSPLIST; do
1193                         [ "$oldvap" = "$newvap" ] && foundvap=1
1194                 done
1195                 [ "$foundvap" = "0" ] && dropvap="$dropvap $oldvap"
1196         done
1197         [ -n "$dropvap" ] && mac80211_vap_cleanup wpa_supplicant "$dropvap"
1198         wireless_set_up
1199 }
1200
1201 _list_phy_interfaces() {
1202         local phy="$1"
1203         if [ -d "/sys/class/ieee80211/${phy}/device/net" ]; then
1204                 ls "/sys/class/ieee80211/${phy}/device/net" 2>/dev/null;
1205         else
1206                 ls "/sys/class/ieee80211/${phy}/device" 2>/dev/null | grep net: | sed -e 's,net:,,g'
1207         fi
1208 }
1209
1210 list_phy_interfaces() {
1211         local phy="$1"
1212
1213         for dev in $(_list_phy_interfaces "$phy"); do
1214                 readlink "/sys/class/net/${dev}/phy80211" | grep -q "/${phy}\$" || continue
1215                 echo "$dev"
1216         done
1217 }
1218
1219 drv_mac80211_teardown() {
1220         json_select data
1221         json_get_vars phy
1222         json_select ..
1223         [ -n "$phy" ] || {
1224                 echo "Bug: PHY is undefined for device '$1'"
1225                 return 1
1226         }
1227
1228         mac80211_interface_cleanup "$phy"
1229         uci -q -P /var/state revert wireless._${phy}
1230 }
1231
1232 add_driver mac80211