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_spr_psr_enabled \
  55                 he_bss_color_enabled \
  56                 he_twt_required
  57         config_add_int \
  58                 beamformer_antennas \
  59                 beamformee_antennas \
  60                 vht_max_a_mpdu_len_exp \
  61                 vht_max_mpdu \
  62                 vht_link_adapt \
  63                 vht160 \
  64                 rx_stbc \
  65                 tx_stbc \
  66                 he_bss_color \
  67                 he_spr_non_srg_obss_pd_max_offset
  68         config_add_boolean \
  69                 ldpc \
  70                 greenfield \
  71                 short_gi_20 \
  72                 short_gi_40 \
  73                 max_amsdu \
  74                 dsss_cck_40
  75 }
  76
  77 drv_mac80211_init_iface_config() {
  78         hostapd_common_add_bss_config
  79
  80         config_add_string 'macaddr:macaddr' ifname
  81
  82         config_add_boolean wds powersave enable
  83         config_add_string wds_bridge
  84         config_add_int maxassoc
  85         config_add_int max_listen_int
  86         config_add_int dtim_period
  87         config_add_int start_disabled
  88
  89         # mesh
  90         config_add_string mesh_id
  91         config_add_int $MP_CONFIG_INT
  92         config_add_boolean $MP_CONFIG_BOOL
  93         config_add_string $MP_CONFIG_STRING
  94 }
  95
  96 mac80211_add_capabilities() {
  97         local __var="$1"; shift
  98         local __mask="$1"; shift
  99         local __out= oifs
 100
 101         oifs="$IFS"
 102         IFS=:
 103         for capab in "$@"; do
 104                 set -- $capab
 105
 106                 [ "$(($4))" -gt 0 ] || continue
 107                 [ "$(($__mask & $2))" -eq "$((${3:-$2}))" ] || continue
 108                 __out="$__out[$1]"
 109         done
 110         IFS="$oifs"
 111
 112         export -n -- "$__var=$__out"
 113 }
 114
 115 mac80211_add_he_capabilities() {
 116         local __out= oifs
 117
 118         oifs="$IFS"
 119         IFS=:
 120         for capab in "$@"; do
 121                 set -- $capab
 122                 [ "$(($4))" -gt 0 ] || continue
 123                 [ "$(((0x$2) & $3))" -gt 0 ] || {
 124                         eval "$1=0"
 125                         continue
 126                 }
 127                 append base_cfg "$1=1" "$N"
 128         done
 129         IFS="$oifs"
 130 }
 131
 132 mac80211_hostapd_setup_base() {
 133         local phy="$1"
 134
 135         json_select config
 136
 137         [ "$auto_channel" -gt 0 ] && channel=acs_survey
 138
 139         [ "$auto_channel" -gt 0 ] && json_get_vars acs_exclude_dfs
 140         [ -n "$acs_exclude_dfs" ] && [ "$acs_exclude_dfs" -gt 0 ] &&
 141                 append base_cfg "acs_exclude_dfs=1" "$N"
 142
 143         json_get_vars noscan ht_coex min_tx_power:0 tx_burst
 144         json_get_values ht_capab_list ht_capab
 145         json_get_values channel_list channels
 146
 147         [ "$auto_channel" = 0 ] && [ -z "$channel_list" ] && \
 148                 channel_list="$channel"
 149
 150         [ "$min_tx_power" -gt 0 ] && append base_cfg "min_tx_power=$min_tx_power"
 151
 152         set_default noscan 0
 153
 154         [ "$noscan" -gt 0 ] && hostapd_noscan=1
 155         [ "$tx_burst" = 0 ] && tx_burst=
 156
 157         chan_ofs=0
 158         [ "$band" = "6g" ] && chan_ofs=1
 159
 160         ieee80211n=1
 161         ht_capab=
 162         case "$htmode" in
 163                 VHT20|HT20|HE20) ;;
 164                 HT40*|VHT40|VHT80|VHT160|HE40|HE80|HE160)
 165                         case "$hwmode" in
 166                                 a)
 167                                         case "$(( (($channel / 4) + $chan_ofs) % 2 ))" in
 168                                                 1) ht_capab="[HT40+]";;
 169                                                 0) ht_capab="[HT40-]";;
 170                                         esac
 171                                 ;;
 172                                 *)
 173                                         case "$htmode" in
 174                                                 HT40+) ht_capab="[HT40+]";;
 175                                                 HT40-) ht_capab="[HT40-]";;
 176                                                 *)
 177                                                         if [ "$channel" -lt 7 ]; then
 178                                                                 ht_capab="[HT40+]"
 179                                                         else
 180                                                                 ht_capab="[HT40-]"
 181                                                         fi
 182                                                 ;;
 183                                         esac
 184                                 ;;
 185                         esac
 186                         [ "$auto_channel" -gt 0 ] && ht_capab="[HT40+]"
 187                 ;;
 188                 *) ieee80211n= ;;
 189         esac
 190
 191         [ -n "$ieee80211n" ] && {
 192                 append base_cfg "ieee80211n=1" "$N"
 193
 194                 set_default ht_coex 0
 195                 append base_cfg "ht_coex=$ht_coex" "$N"
 196
 197                 json_get_vars \
 198                         ldpc:1 \
 199                         greenfield:0 \
 200                         short_gi_20:1 \
 201                         short_gi_40:1 \
 202                         tx_stbc:1 \
 203                         rx_stbc:3 \
 204                         max_amsdu:1 \
 205                         dsss_cck_40:1
 206
 207                 ht_cap_mask=0
 208                 for cap in $(iw phy "$phy" info | grep 'Capabilities:' | cut -d: -f2); do
 209                         ht_cap_mask="$(($ht_cap_mask | $cap))"
 210                 done
 211
 212                 cap_rx_stbc=$((($ht_cap_mask >> 8) & 3))
 213                 [ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc="$rx_stbc"
 214                 ht_cap_mask="$(( ($ht_cap_mask & ~(0x300)) | ($cap_rx_stbc << 8) ))"
 215
 216                 mac80211_add_capabilities ht_capab_flags $ht_cap_mask \
 217                         LDPC:0x1::$ldpc \
 218                         GF:0x10::$greenfield \
 219                         SHORT-GI-20:0x20::$short_gi_20 \
 220                         SHORT-GI-40:0x40::$short_gi_40 \
 221                         TX-STBC:0x80::$tx_stbc \
 222                         RX-STBC1:0x300:0x100:1 \
 223                         RX-STBC12:0x300:0x200:1 \
 224                         RX-STBC123:0x300:0x300:1 \
 225                         MAX-AMSDU-7935:0x800::$max_amsdu \
 226                         DSSS_CCK-40:0x1000::$dsss_cck_40
 227
 228                 ht_capab="$ht_capab$ht_capab_flags"
 229                 [ -n "$ht_capab" ] && append base_cfg "ht_capab=$ht_capab" "$N"
 230         }
 231
 232         # 802.11ac
 233         enable_ac=0
 234         vht_oper_chwidth=0
 235         vht_center_seg0=
 236
 237         idx="$channel"
 238         case "$htmode" in
 239                 VHT20|HE20) enable_ac=1;;
 240                 VHT40|HE40)
 241                         case "$(( (($channel / 4) + $chan_ofs) % 2 ))" in
 242                                 1) idx=$(($channel + 2));;
 243                                 0) idx=$(($channel - 2));;
 244                         esac
 245                         enable_ac=1
 246                         vht_center_seg0=$idx
 247                 ;;
 248                 VHT80|HE80)
 249                         case "$(( (($channel / 4) + $chan_ofs) % 4 ))" in
 250                                 1) idx=$(($channel + 6));;
 251                                 2) idx=$(($channel + 2));;
 252                                 3) idx=$(($channel - 2));;
 253                                 0) idx=$(($channel - 6));;
 254                         esac
 255                         enable_ac=1
 256                         vht_oper_chwidth=1
 257                         vht_center_seg0=$idx
 258                 ;;
 259                 VHT160|HE160)
 260                         if [ "$band" = "6g" ]; then
 261                                 case "$channel" in
 262                                         1|5|9|13|17|21|25|29) idx=15;;
 263                                         33|37|41|45|49|53|57|61) idx=47;;
 264                                         65|69|73|77|81|85|89|93) idx=79;;
 265                                         97|101|105|109|113|117|121|125) idx=111;;
 266                                         129|133|137|141|145|149|153|157) idx=143;;
 267                                         161|165|169|173|177|181|185|189) idx=175;;
 268                                         193|197|201|205|209|213|217|221) idx=207;;
 269                                 esac
 270                         else
 271                                 case "$channel" in
 272                                         36|40|44|48|52|56|60|64) idx=50;;
 273                                         100|104|108|112|116|120|124|128) idx=114;;
 274                                 esac
 275                         fi
 276                         enable_ac=1
 277                         vht_oper_chwidth=2
 278                         vht_center_seg0=$idx
 279                 ;;
 280         esac
 281         [ "$band" = "5g" ] && {
 282                 json_get_vars background_radar:0
 283
 284                 [ "$background_radar" -eq 1 ] && append base_cfg "enable_background_radar=1" "$N"
 285         }
 286         [ "$band" = "6g" ] && {
 287                 op_class=
 288                 case "$htmode" in
 289                         HE20) op_class=131;;
 290                         HE*) op_class=$((132 + $vht_oper_chwidth))
 291                 esac
 292                 [ -n "$op_class" ] && append base_cfg "op_class=$op_class" "$N"
 293         }
 294         [ "$hwmode" = "a" ] || enable_ac=0
 295
 296         if [ "$enable_ac" != "0" ]; then
 297                 json_get_vars \
 298                         rxldpc:1 \
 299                         short_gi_80:1 \
 300                         short_gi_160:1 \
 301                         tx_stbc_2by1:1 \
 302                         su_beamformer:1 \
 303                         su_beamformee:1 \
 304                         mu_beamformer:1 \
 305                         mu_beamformee:1 \
 306                         vht_txop_ps:1 \
 307                         htc_vht:1 \
 308                         beamformee_antennas:4 \
 309                         beamformer_antennas:4 \
 310                         rx_antenna_pattern:1 \
 311                         tx_antenna_pattern:1 \
 312                         vht_max_a_mpdu_len_exp:7 \
 313                         vht_max_mpdu:11454 \
 314                         rx_stbc:4 \
 315                         vht_link_adapt:3 \
 316                         vht160:2
 317
 318                 set_default tx_burst 2.0
 319                 append base_cfg "ieee80211ac=1" "$N"
 320                 vht_cap=0
 321                 for cap in $(iw phy "$phy" info | awk -F "[()]" '/VHT Capabilities/ { print $2 }'); do
 322                         vht_cap="$(($vht_cap | $cap))"
 323                 done
 324
 325                 append base_cfg "vht_oper_chwidth=$vht_oper_chwidth" "$N"
 326                 append base_cfg "vht_oper_centr_freq_seg0_idx=$vht_center_seg0" "$N"
 327
 328                 cap_rx_stbc=$((($vht_cap >> 8) & 7))
 329                 [ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc="$rx_stbc"
 330                 vht_cap="$(( ($vht_cap & ~(0x700)) | ($cap_rx_stbc << 8) ))"
 331
 332                 mac80211_add_capabilities vht_capab $vht_cap \
 333                         RXLDPC:0x10::$rxldpc \
 334                         SHORT-GI-80:0x20::$short_gi_80 \
 335                         SHORT-GI-160:0x40::$short_gi_160 \
 336                         TX-STBC-2BY1:0x80::$tx_stbc_2by1 \
 337                         SU-BEAMFORMER:0x800::$su_beamformer \
 338                         SU-BEAMFORMEE:0x1000::$su_beamformee \
 339                         MU-BEAMFORMER:0x80000::$mu_beamformer \
 340                         MU-BEAMFORMEE:0x100000::$mu_beamformee \
 341                         VHT-TXOP-PS:0x200000::$vht_txop_ps \
 342                         HTC-VHT:0x400000::$htc_vht \
 343                         RX-ANTENNA-PATTERN:0x10000000::$rx_antenna_pattern \
 344                         TX-ANTENNA-PATTERN:0x20000000::$tx_antenna_pattern \
 345                         RX-STBC-1:0x700:0x100:1 \
 346                         RX-STBC-12:0x700:0x200:1 \
 347                         RX-STBC-123:0x700:0x300:1 \
 348                         RX-STBC-1234:0x700:0x400:1 \
 349
 350                 [ "$(($vht_cap & 0x800))" -gt 0 -a "$su_beamformer" -gt 0 ] && {
 351                         cap_ant="$(( ( ($vht_cap >> 16) & 3 ) + 1 ))"
 352                         [ "$cap_ant" -gt "$beamformer_antennas" ] && cap_ant="$beamformer_antennas"
 353                         [ "$cap_ant" -gt 1 ] && vht_capab="$vht_capab[SOUNDING-DIMENSION-$cap_ant]"
 354                 }
 355
 356                 [ "$(($vht_cap & 0x1000))" -gt 0 -a "$su_beamformee" -gt 0 ] && {
 357                         cap_ant="$(( ( ($vht_cap >> 13) & 3 ) + 1 ))"
 358                         [ "$cap_ant" -gt "$beamformee_antennas" ] && cap_ant="$beamformee_antennas"
 359                         [ "$cap_ant" -gt 1 ] && vht_capab="$vht_capab[BF-ANTENNA-$cap_ant]"
 360                 }
 361
 362                 # supported Channel widths
 363                 vht160_hw=0
 364                 [ "$(($vht_cap & 12))" -eq 4 -a 1 -le "$vht160" ] && \
 365                         vht160_hw=1
 366                 [ "$(($vht_cap & 12))" -eq 8 -a 2 -le "$vht160" ] && \
 367                         vht160_hw=2
 368                 [ "$vht160_hw" = 1 ] && vht_capab="$vht_capab[VHT160]"
 369                 [ "$vht160_hw" = 2 ] && vht_capab="$vht_capab[VHT160-80PLUS80]"
 370
 371                 # maximum MPDU length
 372                 vht_max_mpdu_hw=3895
 373                 [ "$(($vht_cap & 3))" -ge 1 -a 7991 -le "$vht_max_mpdu" ] && \
 374                         vht_max_mpdu_hw=7991
 375                 [ "$(($vht_cap & 3))" -ge 2 -a 11454 -le "$vht_max_mpdu" ] && \
 376                         vht_max_mpdu_hw=11454
 377                 [ "$vht_max_mpdu_hw" != 3895 ] && \
 378                         vht_capab="$vht_capab[MAX-MPDU-$vht_max_mpdu_hw]"
 379
 380                 # maximum A-MPDU length exponent
 381                 vht_max_a_mpdu_len_exp_hw=0
 382                 [ "$(($vht_cap & 58720256))" -ge 8388608 -a 1 -le "$vht_max_a_mpdu_len_exp" ] && \
 383                         vht_max_a_mpdu_len_exp_hw=1
 384                 [ "$(($vht_cap & 58720256))" -ge 16777216 -a 2 -le "$vht_max_a_mpdu_len_exp" ] && \
 385                         vht_max_a_mpdu_len_exp_hw=2
 386                 [ "$(($vht_cap & 58720256))" -ge 25165824 -a 3 -le "$vht_max_a_mpdu_len_exp" ] && \
 387                         vht_max_a_mpdu_len_exp_hw=3
 388                 [ "$(($vht_cap & 58720256))" -ge 33554432 -a 4 -le "$vht_max_a_mpdu_len_exp" ] && \
 389                         vht_max_a_mpdu_len_exp_hw=4
 390                 [ "$(($vht_cap & 58720256))" -ge 41943040 -a 5 -le "$vht_max_a_mpdu_len_exp" ] && \
 391                         vht_max_a_mpdu_len_exp_hw=5
 392                 [ "$(($vht_cap & 58720256))" -ge 50331648 -a 6 -le "$vht_max_a_mpdu_len_exp" ] && \
 393                         vht_max_a_mpdu_len_exp_hw=6
 394                 [ "$(($vht_cap & 58720256))" -ge 58720256 -a 7 -le "$vht_max_a_mpdu_len_exp" ] && \
 395                         vht_max_a_mpdu_len_exp_hw=7
 396                 vht_capab="$vht_capab[MAX-A-MPDU-LEN-EXP$vht_max_a_mpdu_len_exp_hw]"
 397
 398                 # whether or not the STA supports link adaptation using VHT variant
 399                 vht_link_adapt_hw=0
 400                 [ "$(($vht_cap & 201326592))" -ge 134217728 -a 2 -le "$vht_link_adapt" ] && \
 401                         vht_link_adapt_hw=2
 402                 [ "$(($vht_cap & 201326592))" -ge 201326592 -a 3 -le "$vht_link_adapt" ] && \
 403                         vht_link_adapt_hw=3
 404                 [ "$vht_link_adapt_hw" != 0 ] && \
 405                         vht_capab="$vht_capab[VHT-LINK-ADAPT-$vht_link_adapt_hw]"
 406
 407                 [ -n "$vht_capab" ] && append base_cfg "vht_capab=$vht_capab" "$N"
 408         fi
 409
 410         # 802.11ax
 411         enable_ax=0
 412         case "$htmode" in
 413                 HE*) enable_ax=1 ;;
 414         esac
 415
 416         if [ "$enable_ax" != "0" ]; then
 417                 json_get_vars \
 418                         he_su_beamformer:1 \
 419                         he_su_beamformee:1 \
 420                         he_mu_beamformer:1 \
 421                         he_twt_required:0 \
 422                         he_spr_sr_control:3 \
 423                         he_spr_psr_enabled:0 \
 424                         he_spr_non_srg_obss_pd_max_offset:0 \
 425                         he_bss_color:128 \
 426                         he_bss_color_enabled:1
 427
 428                 he_phy_cap=$(iw phy "$phy" info | sed -n '/HE Iftypes: AP/,$p' | awk -F "[()]" '/HE PHY Capabilities/ { print $2 }' | head -1)
 429                 he_phy_cap=${he_phy_cap:2}
 430                 he_mac_cap=$(iw phy "$phy" info | sed -n '/HE Iftypes: AP/,$p' | awk -F "[()]" '/HE MAC Capabilities/ { print $2 }' | head -1)
 431                 he_mac_cap=${he_mac_cap:2}
 432
 433                 append base_cfg "ieee80211ax=1" "$N"
 434                 [ "$hwmode" = "a" ] && {
 435                         append base_cfg "he_oper_chwidth=$vht_oper_chwidth" "$N"
 436                         append base_cfg "he_oper_centr_freq_seg0_idx=$vht_center_seg0" "$N"
 437                 }
 438
 439                 mac80211_add_he_capabilities \
 440                         he_su_beamformer:${he_phy_cap:6:2}:0x80:$he_su_beamformer \
 441                         he_su_beamformee:${he_phy_cap:8:2}:0x1:$he_su_beamformee \
 442                         he_mu_beamformer:${he_phy_cap:8:2}:0x2:$he_mu_beamformer \
 443                         he_spr_psr_enabled:${he_phy_cap:14:2}:0x1:$he_spr_psr_enabled \
 444                         he_twt_required:${he_mac_cap:0:2}:0x6:$he_twt_required
 445
 446                 if [ "$he_bss_color_enabled" -gt 0 ]; then
 447                         append base_cfg "he_bss_color=$he_bss_color" "$N"
 448                         [ "$he_spr_non_srg_obss_pd_max_offset" -gt 0 ] && { \
 449                                 append base_cfg "he_spr_non_srg_obss_pd_max_offset=$he_spr_non_srg_obss_pd_max_offset" "$N"
 450                                 he_spr_sr_control=$((he_spr_sr_control | (1 << 2)))
 451                         }
 452                         [ "$he_spr_psr_enabled" -gt 0 ] || he_spr_sr_control=$((he_spr_sr_control | (1 << 0)))
 453                         append base_cfg "he_spr_sr_control=$he_spr_sr_control" "$N"
 454                 else
 455                         append base_cfg "he_bss_color_disabled=1" "$N"
 456                 fi
 457
 458
 459                 append base_cfg "he_default_pe_duration=4" "$N"
 460                 append base_cfg "he_rts_threshold=1023" "$N"
 461                 append base_cfg "he_mu_edca_qos_info_param_count=0" "$N"
 462                 append base_cfg "he_mu_edca_qos_info_q_ack=0" "$N"
 463                 append base_cfg "he_mu_edca_qos_info_queue_request=0" "$N"
 464                 append base_cfg "he_mu_edca_qos_info_txop_request=0" "$N"
 465                 append base_cfg "he_mu_edca_ac_be_aifsn=8" "$N"
 466                 append base_cfg "he_mu_edca_ac_be_aci=0" "$N"
 467                 append base_cfg "he_mu_edca_ac_be_ecwmin=9" "$N"
 468                 append base_cfg "he_mu_edca_ac_be_ecwmax=10" "$N"
 469                 append base_cfg "he_mu_edca_ac_be_timer=255" "$N"
 470                 append base_cfg "he_mu_edca_ac_bk_aifsn=15" "$N"
 471                 append base_cfg "he_mu_edca_ac_bk_aci=1" "$N"
 472                 append base_cfg "he_mu_edca_ac_bk_ecwmin=9" "$N"
 473                 append base_cfg "he_mu_edca_ac_bk_ecwmax=10" "$N"
 474                 append base_cfg "he_mu_edca_ac_bk_timer=255" "$N"
 475                 append base_cfg "he_mu_edca_ac_vi_ecwmin=5" "$N"
 476                 append base_cfg "he_mu_edca_ac_vi_ecwmax=7" "$N"
 477                 append base_cfg "he_mu_edca_ac_vi_aifsn=5" "$N"
 478                 append base_cfg "he_mu_edca_ac_vi_aci=2" "$N"
 479                 append base_cfg "he_mu_edca_ac_vi_timer=255" "$N"
 480                 append base_cfg "he_mu_edca_ac_vo_aifsn=5" "$N"
 481                 append base_cfg "he_mu_edca_ac_vo_aci=3" "$N"
 482                 append base_cfg "he_mu_edca_ac_vo_ecwmin=5" "$N"
 483                 append base_cfg "he_mu_edca_ac_vo_ecwmax=7" "$N"
 484                 append base_cfg "he_mu_edca_ac_vo_timer=255" "$N"
 485         fi
 486
 487         hostapd_prepare_device_config "$hostapd_conf_file" nl80211
 488         cat >> "$hostapd_conf_file" <<EOF
 489 ${channel:+channel=$channel}
 490 ${channel_list:+chanlist=$channel_list}
 491 ${hostapd_noscan:+noscan=1}
 492 ${tx_burst:+tx_queue_data2_burst=$tx_burst}
 493 $base_cfg
 494
 495 EOF
 496         json_select ..
 497         radio_md5sum=$(md5sum $hostapd_conf_file | cut -d" " -f1)
 498         echo "radio_config_id=${radio_md5sum}" >> $hostapd_conf_file
 499 }
 500
 501 mac80211_hostapd_setup_bss() {
 502         local phy="$1"
 503         local ifname="$2"
 504         local macaddr="$3"
 505         local type="$4"
 506
 507         hostapd_cfg=
 508         append hostapd_cfg "$type=$ifname" "$N"
 509
 510         hostapd_set_bss_options hostapd_cfg "$phy" "$vif" || return 1
 511         json_get_vars wds wds_bridge dtim_period max_listen_int start_disabled
 512
 513         set_default wds 0
 514         set_default start_disabled 0
 515
 516         [ "$wds" -gt 0 ] && {
 517                 append hostapd_cfg "wds_sta=1" "$N"
 518                 [ -n "$wds_bridge" ] && append hostapd_cfg "wds_bridge=$wds_bridge" "$N"
 519         }
 520         [ "$staidx" -gt 0 -o "$start_disabled" -eq 1 ] && append hostapd_cfg "start_disabled=1" "$N"
 521
 522         cat >> /var/run/hostapd-$phy.conf <<EOF
 523 $hostapd_cfg
 524 bssid=$macaddr
 525 ${dtim_period:+dtim_period=$dtim_period}
 526 ${max_listen_int:+max_listen_interval=$max_listen_int}
 527 EOF
 528 }
 529
 530 mac80211_get_addr() {
 531         local phy="$1"
 532         local idx="$(($2 + 1))"
 533
 534         head -n $idx /sys/class/ieee80211/${phy}/addresses | tail -n1
 535 }
 536
 537 mac80211_generate_mac() {
 538         local phy="$1"
 539         local id="${macidx:-0}"
 540
 541         local ref="$(cat /sys/class/ieee80211/${phy}/macaddress)"
 542         local mask="$(cat /sys/class/ieee80211/${phy}/address_mask)"
 543
 544         [ "$mask" = "00:00:00:00:00:00" ] && {
 545                 mask="ff:ff:ff:ff:ff:ff";
 546
 547                 [ "$(wc -l < /sys/class/ieee80211/${phy}/addresses)" -gt $id ] && {
 548                         addr="$(mac80211_get_addr "$phy" "$id")"
 549                         [ -n "$addr" ] && {
 550                                 echo "$addr"
 551                                 return
 552                         }
 553                 }
 554         }
 555
 556         local oIFS="$IFS"; IFS=":"; set -- $mask; IFS="$oIFS"
 557
 558         local mask1=$1
 559         local mask6=$6
 560
 561         local oIFS="$IFS"; IFS=":"; set -- $ref; IFS="$oIFS"
 562
 563         macidx=$(($id + 1))
 564         [ "$((0x$mask1))" -gt 0 ] && {
 565                 b1="0x$1"
 566                 [ "$id" -gt 0 ] && \
 567                         b1=$(($b1 ^ ((($id - !($b1 & 2)) << 2)) | 0x2))
 568                 printf "%02x:%s:%s:%s:%s:%s" $b1 $2 $3 $4 $5 $6
 569                 return
 570         }
 571
 572         [ "$((0x$mask6))" -lt 255 ] && {
 573                 printf "%s:%s:%s:%s:%s:%02x" $1 $2 $3 $4 $5 $(( 0x$6 ^ $id ))
 574                 return
 575         }
 576
 577         off2=$(( (0x$6 + $id) / 0x100 ))
 578         printf "%s:%s:%s:%s:%02x:%02x" \
 579                 $1 $2 $3 $4 \
 580                 $(( (0x$5 + $off2) % 0x100 )) \
 581                 $(( (0x$6 + $id) % 0x100 ))
 582 }
 583
 584 get_board_phy_name() (
 585         local path="$1"
 586         local fallback_phy=""
 587
 588         __check_phy() {
 589                 local val="$1"
 590                 local key="$2"
 591                 local ref_path="$3"
 592
 593                 json_select "$key"
 594                 json_get_values path
 595                 json_select ..
 596
 597                 [ "${ref_path%+*}" = "$path" ] && fallback_phy=$key
 598                 [ "$ref_path" = "$path" ] || return 0
 599
 600                 echo "$key"
 601                 exit
 602         }
 603
 604         json_load_file /etc/board.json
 605         json_for_each_item __check_phy wlan "$path"
 606         [ -n "$fallback_phy" ] && echo "${fallback_phy}.${path##*+}"
 607 )
 608
 609 rename_board_phy_by_path() {
 610         local path="$1"
 611
 612         local new_phy="$(get_board_phy_name "$path")"
 613         [ -z "$new_phy" -o "$new_phy" = "$phy" ] && return
 614
 615         iw "$phy" set name "$new_phy" && phy="$new_phy"
 616 }
 617
 618 rename_board_phy_by_name() (
 619         local phy="$1"
 620         local suffix="${phy##*.}"
 621         [ "$suffix" = "$phy" ] && suffix=
 622
 623         json_load_file /etc/board.json
 624         json_select wlan
 625         json_select "${phy%.*}" || return 0
 626         json_get_values path
 627
 628         prev_phy="$(iwinfo nl80211 phyname "path=$path${suffix:++$suffix}")"
 629         [ -n "$prev_phy" ] || return 0
 630
 631         [ "$prev_phy" = "$phy" ] && return 0
 632
 633         iw "$prev_phy" set name "$phy"
 634 )
 635
 636 find_phy() {
 637         [ -n "$phy" ] && {
 638                 rename_board_phy_by_name "$phy"
 639                 [ -d /sys/class/ieee80211/$phy ] && return 0
 640         }
 641         [ -n "$path" ] && {
 642                 phy="$(iwinfo nl80211 phyname "path=$path")"
 643                 [ -n "$phy" ] && {
 644                         rename_board_phy_by_path "$path"
 645                         return 0
 646                 }
 647         }
 648         [ -n "$macaddr" ] && {
 649                 for phy in $(ls /sys/class/ieee80211 2>/dev/null); do
 650                         grep -i -q "$macaddr" "/sys/class/ieee80211/${phy}/macaddress" && {
 651                                 path="$(iwinfo nl80211 path "$phy")"
 652                                 rename_board_phy_by_path "$path"
 653                                 return 0
 654                         }
 655                 done
 656         }
 657         return 1
 658 }
 659
 660 mac80211_check_ap() {
 661         has_ap=1
 662 }
 663
 664 mac80211_iw_interface_add() {
 665         local phy="$1"
 666         local ifname="$2"
 667         local type="$3"
 668         local wdsflag="$4"
 669         local rc
 670         local oldifname
 671
 672         iw phy "$phy" interface add "$ifname" type "$type" $wdsflag >/dev/null 2>&1
 673         rc="$?"
 674
 675         [ "$rc" = 233 ] && {
 676                 # Device might have just been deleted, give the kernel some time to finish cleaning it up
 677                 sleep 1
 678
 679                 iw phy "$phy" interface add "$ifname" type "$type" $wdsflag >/dev/null 2>&1
 680                 rc="$?"
 681         }
 682
 683         [ "$rc" = 233 ] && {
 684                 # Keep matching pre-existing interface
 685                 [ -d "/sys/class/ieee80211/${phy}/device/net/${ifname}" ] && \
 686                 case "$(iw dev $ifname info | grep "^\ttype" | cut -d' ' -f2- 2>/dev/null)" in
 687                         "AP")
 688                                 [ "$type" = "__ap" ] && rc=0
 689                                 ;;
 690                         "IBSS")
 691                                 [ "$type" = "adhoc" ] && rc=0
 692                                 ;;
 693                         "managed")
 694                                 [ "$type" = "managed" ] && rc=0
 695                                 ;;
 696                         "mesh point")
 697                                 [ "$type" = "mp" ] && rc=0
 698                                 ;;
 699                         "monitor")
 700                                 [ "$type" = "monitor" ] && rc=0
 701                                 ;;
 702                 esac
 703         }
 704
 705         [ "$rc" = 233 ] && {
 706                 iw dev "$ifname" del >/dev/null 2>&1
 707                 [ "$?" = 0 ] && {
 708                         sleep 1
 709
 710                         iw phy "$phy" interface add "$ifname" type "$type" $wdsflag >/dev/null 2>&1
 711                         rc="$?"
 712                 }
 713         }
 714
 715         [ "$rc" != 0 ] && {
 716                 # Device might not support virtual interfaces, so the interface never got deleted in the first place.
 717                 # Check if the interface already exists, and avoid failing in this case.
 718                 [ -d "/sys/class/ieee80211/${phy}/device/net/${ifname}" ] && rc=0
 719         }
 720
 721         [ "$rc" != 0 ] && {
 722                 # Device doesn't support virtual interfaces and may have existing interface other than ifname.
 723                 oldifname="$(basename "/sys/class/ieee80211/${phy}/device/net"/* 2>/dev/null)"
 724                 [ "$oldifname" ] && ip link set "$oldifname" name "$ifname" 1>/dev/null 2>&1
 725                 rc="$?"
 726         }
 727
 728         [ "$rc" != 0 ] && echo "Failed to create interface $ifname"
 729         return $rc
 730 }
 731
 732 mac80211_set_ifname() {
 733         local phy="$1"
 734         local prefix="$2"
 735         eval "ifname=\"$phy-$prefix\${idx_$prefix:-0}\"; idx_$prefix=\$((\${idx_$prefix:-0 } + 1))"
 736 }
 737
 738 mac80211_prepare_vif() {
 739         json_select config
 740
 741         json_get_vars ifname mode ssid wds powersave macaddr enable wpa_psk_file vlan_file
 742
 743         [ -n "$ifname" ] || {
 744                 local prefix;
 745
 746                 case "$mode" in
 747                 ap|sta|mesh) prefix=$mode;;
 748                 adhoc) prefix=ibss;;
 749                 monitor) prefix=mon;;
 750                 esac
 751
 752                 mac80211_set_ifname "$phy" "$prefix"
 753         }
 754
 755         set_default wds 0
 756         set_default powersave 0
 757
 758         json_select ..
 759
 760         if [ -z "$macaddr" ]; then
 761                 macaddr="$(mac80211_generate_mac $phy)"
 762                 macidx="$(($macidx + 1))"
 763         elif [ "$macaddr" = 'random' ]; then
 764                 macaddr="$(macaddr_random)"
 765         fi
 766
 767         json_add_object data
 768         json_add_string ifname "$ifname"
 769         json_close_object
 770
 771         [ "$mode" == "ap" ] && {
 772                 [ -z "$wpa_psk_file" ] && hostapd_set_psk "$ifname"
 773                 [ -z "$vlan_file" ] && hostapd_set_vlan "$ifname"
 774         }
 775
 776         json_select config
 777
 778         # It is far easier to delete and create the desired interface
 779         case "$mode" in
 780                 adhoc)
 781                         mac80211_iw_interface_add "$phy" "$ifname" adhoc || return
 782                 ;;
 783                 ap)
 784                         # Hostapd will handle recreating the interface and
 785                         # subsequent virtual APs belonging to the same PHY
 786                         if [ -n "$hostapd_ctrl" ]; then
 787                                 type=bss
 788                         else
 789                                 type=interface
 790                         fi
 791
 792                         mac80211_hostapd_setup_bss "$phy" "$ifname" "$macaddr" "$type" || return
 793
 794                         NEWAPLIST="${NEWAPLIST}$ifname "
 795                         [ -n "$hostapd_ctrl" ] || {
 796                                 ap_ifname="${ifname}"
 797                                 hostapd_ctrl="${hostapd_ctrl:-/var/run/hostapd/$ifname}"
 798                         }
 799                 ;;
 800                 mesh)
 801                         mac80211_iw_interface_add "$phy" "$ifname" mp || return
 802                 ;;
 803                 monitor)
 804                         mac80211_iw_interface_add "$phy" "$ifname" monitor || return
 805                 ;;
 806                 sta)
 807                         local wdsflag=
 808                         [ "$enable" = 0 ] || staidx="$(($staidx + 1))"
 809                         [ "$wds" -gt 0 ] && wdsflag="4addr on"
 810                         mac80211_iw_interface_add "$phy" "$ifname" managed "$wdsflag" || return
 811                         if [ "$wds" -gt 0 ]; then
 812                                 iw "$ifname" set 4addr on
 813                         else
 814                                 iw "$ifname" set 4addr off
 815                         fi
 816                         [ "$powersave" -gt 0 ] && powersave="on" || powersave="off"
 817                         iw "$ifname" set power_save "$powersave"
 818                 ;;
 819         esac
 820
 821         case "$mode" in
 822                 monitor|mesh)
 823                         [ "$auto_channel" -gt 0 ] || iw dev "$ifname" set channel "$channel" $iw_htmode
 824                 ;;
 825         esac
 826
 827         if [ "$mode" != "ap" ]; then
 828                 # ALL ap functionality will be passed to hostapd
 829                 # All interfaces must have unique mac addresses
 830                 # which can either be explicitly set in the device
 831                 # section, or automatically generated
 832                 ip link set dev "$ifname" address "$macaddr"
 833         fi
 834
 835         json_select ..
 836 }
 837
 838 mac80211_setup_supplicant() {
 839         local enable=$1
 840         local add_sp=0
 841         local spobj="$(ubus -S list | grep wpa_supplicant.${ifname})"
 842
 843         [ "$enable" = 0 ] && {
 844                 ubus call wpa_supplicant.${phy} config_remove "{\"iface\":\"$ifname\"}"
 845                 ip link set dev "$ifname" down
 846                 iw dev "$ifname" del
 847                 return 0
 848         }
 849
 850         wpa_supplicant_prepare_interface "$ifname" nl80211 || {
 851                 iw dev "$ifname" del
 852                 return 1
 853         }
 854         if [ "$mode" = "sta" ]; then
 855                 wpa_supplicant_add_network "$ifname"
 856         else
 857                 wpa_supplicant_add_network "$ifname" "$freq" "$htmode" "$noscan"
 858         fi
 859
 860         NEWSPLIST="${NEWSPLIST}$ifname "
 861
 862         if [ "${NEWAPLIST%% *}" != "${OLDAPLIST%% *}" ]; then
 863                 [ "$spobj" ] && ubus call wpa_supplicant config_remove "{\"iface\":\"$ifname\"}"
 864                 add_sp=1
 865         fi
 866         [ -z "$spobj" ] && add_sp=1
 867
 868         NEW_MD5_SP=$(test -e "${_config}" && md5sum ${_config})
 869         OLD_MD5_SP=$(uci -q -P /var/state get wireless._${phy}.md5_${ifname})
 870         if [ "$add_sp" = "1" ]; then
 871                 wpa_supplicant_run "$ifname" "$hostapd_ctrl"
 872         else
 873                 [ "${NEW_MD5_SP}" == "${OLD_MD5_SP}" ] || ubus call $spobj reload
 874         fi
 875         uci -q -P /var/state set wireless._${phy}.md5_${ifname}="${NEW_MD5_SP}"
 876         return 0
 877 }
 878
 879 mac80211_setup_supplicant_noctl() {
 880         local enable=$1
 881         local spobj="$(ubus -S list | grep wpa_supplicant.${ifname})"
 882         wpa_supplicant_prepare_interface "$ifname" nl80211 || {
 883                 iw dev "$ifname" del
 884                 return 1
 885         }
 886
 887         wpa_supplicant_add_network "$ifname" "$freq" "$htmode" "$noscan"
 888
 889         NEWSPLIST="${NEWSPLIST}$ifname "
 890         [ "$enable" = 0 ] && {
 891                 ubus call wpa_supplicant config_remove "{\"iface\":\"$ifname\"}"
 892                 ip link set dev "$ifname" down
 893                 return 0
 894         }
 895         if [ -z "$spobj" ]; then
 896                 wpa_supplicant_run "$ifname"
 897         else
 898                 ubus call $spobj reload
 899         fi
 900 }
 901
 902 mac80211_prepare_iw_htmode() {
 903         case "$htmode" in
 904                 VHT20|HT20|HE20) iw_htmode=HT20;;
 905                 HT40*|VHT40|VHT160|HE40)
 906                         case "$band" in
 907                                 2g)
 908                                         case "$htmode" in
 909                                                 HT40+) iw_htmode="HT40+";;
 910                                                 HT40-) iw_htmode="HT40-";;
 911                                                 *)
 912                                                         if [ "$channel" -lt 7 ]; then
 913                                                                 iw_htmode="HT40+"
 914                                                         else
 915                                                                 iw_htmode="HT40-"
 916                                                         fi
 917                                                 ;;
 918                                         esac
 919                                 ;;
 920                                 *)
 921                                         case "$(( ($channel / 4) % 2 ))" in
 922                                                 1) iw_htmode="HT40+" ;;
 923                                                 0) iw_htmode="HT40-";;
 924                                         esac
 925                                 ;;
 926                         esac
 927                         [ "$auto_channel" -gt 0 ] && iw_htmode="HT40+"
 928                 ;;
 929                 VHT80|HE80)
 930                         iw_htmode="80MHZ"
 931                 ;;
 932                 NONE|NOHT)
 933                         iw_htmode="NOHT"
 934                 ;;
 935                 *) iw_htmode="" ;;
 936         esac
 937 }
 938
 939 mac80211_setup_adhoc() {
 940         local enable=$1
 941         json_get_vars bssid ssid key mcast_rate
 942
 943         NEWUMLIST="${NEWUMLIST}$ifname "
 944
 945         [ "$enable" = 0 ] && {
 946                 ip link set dev "$ifname" down
 947                 return 0
 948         }
 949
 950         keyspec=
 951         [ "$auth_type" = "wep" ] && {
 952                 set_default key 1
 953                 case "$key" in
 954                         [1234])
 955                                 local idx
 956                                 for idx in 1 2 3 4; do
 957                                         json_get_var ikey "key$idx"
 958
 959                                         [ -n "$ikey" ] && {
 960                                                 ikey="$(($idx - 1)):$(prepare_key_wep "$ikey")"
 961                                                 [ $idx -eq $key ] && ikey="d:$ikey"
 962                                                 append keyspec "$ikey"
 963                                         }
 964                                 done
 965                         ;;
 966                         *)
 967                                 append keyspec "d:0:$(prepare_key_wep "$key")"
 968                         ;;
 969                 esac
 970         }
 971
 972         brstr=
 973         for br in $basic_rate_list; do
 974                 wpa_supplicant_add_rate brstr "$br"
 975         done
 976
 977         mcval=
 978         [ -n "$mcast_rate" ] && wpa_supplicant_add_rate mcval "$mcast_rate"
 979
 980         iw dev "$ifname" set type ibss
 981         iw dev "$ifname" ibss join "$ssid" $freq $iw_htmode fixed-freq $bssid \
 982                 beacon-interval $beacon_int \
 983                 ${brstr:+basic-rates $brstr} \
 984                 ${mcval:+mcast-rate $mcval} \
 985                 ${keyspec:+keys $keyspec}
 986 }
 987
 988 mac80211_setup_mesh() {
 989         local enable=$1
 990         json_get_vars ssid mesh_id mcast_rate
 991
 992         NEWUMLIST="${NEWUMLIST}$ifname "
 993
 994         [ "$enable" = 0 ] && {
 995                 ip link set dev "$ifname" down
 996                 return 0
 997         }
 998
 999         mcval=
1000         [ -n "$mcast_rate" ] && wpa_supplicant_add_rate mcval "$mcast_rate"
1001         [ -n "$mesh_id" ] && ssid="$mesh_id"
1002
1003         iw dev "$ifname" mesh join "$ssid" freq $freq $iw_htmode \
1004                 ${mcval:+mcast-rate $mcval} \
1005                 beacon-interval $beacon_int
1006 }
1007
1008 mac80211_setup_vif() {
1009         local name="$1"
1010         local failed
1011         local action=up
1012
1013         json_select data
1014         json_get_vars ifname
1015         json_select ..
1016
1017         json_select config
1018         json_get_vars mode
1019         json_get_var vif_txpower
1020         json_get_var vif_enable enable 1
1021
1022         [ "$vif_enable" = 1 ] || action=down
1023         if [ "$mode" != "ap" ] || [ "$ifname" = "$ap_ifname" ]; then
1024                 ip link set dev "$ifname" "$action" || {
1025                         wireless_setup_vif_failed IFUP_ERROR
1026                         json_select ..
1027                         return
1028                 }
1029                 [ -z "$vif_txpower" ] || iw dev "$ifname" set txpower fixed "${vif_txpower%%.*}00"
1030         fi
1031
1032         case "$mode" in
1033                 mesh)
1034                         wireless_vif_parse_encryption
1035                         [ -z "$htmode" ] && htmode="NOHT";
1036                         if wpa_supplicant -vmesh || [ "$wpa" -gt 0 -o "$auto_channel" -gt 0 ] || chan_is_dfs "$phy" "$channel"; then
1037                                 mac80211_setup_supplicant $vif_enable || failed=1
1038                         else
1039                                 mac80211_setup_mesh $vif_enable
1040                         fi
1041                         for var in $MP_CONFIG_INT $MP_CONFIG_BOOL $MP_CONFIG_STRING; do
1042                                 json_get_var mp_val "$var"
1043                                 [ -n "$mp_val" ] && iw dev "$ifname" set mesh_param "$var" "$mp_val"
1044                         done
1045                 ;;
1046                 adhoc)
1047                         wireless_vif_parse_encryption
1048                         if [ "$wpa" -gt 0 -o "$auto_channel" -gt 0 ]; then
1049                                 mac80211_setup_supplicant_noctl $vif_enable || failed=1
1050                         else
1051                                 mac80211_setup_adhoc $vif_enable
1052                         fi
1053                 ;;
1054                 sta)
1055                         mac80211_setup_supplicant $vif_enable || failed=1
1056                 ;;
1057         esac
1058
1059         json_select ..
1060         [ -n "$failed" ] || wireless_add_vif "$name" "$ifname"
1061 }
1062
1063 get_freq() {
1064         local phy="$1"
1065         local channel="$2"
1066         local band="$3"
1067
1068         case "$band" in
1069                 2g) band="1:";;
1070                 5g) band="2:";;
1071                 60g) band="3:";;
1072                 6g) band="4:";;
1073         esac
1074
1075         iw "$phy" info | awk -v band="$band" -v channel="[$channel]" '
1076
1077 $1 ~ /Band/ {
1078         band_match = band == $2
1079 }
1080
1081 band_match && $3 == "MHz" && $4 == channel {
1082         print $2
1083         exit
1084 }
1085 '
1086 }
1087
1088
1089 chan_is_dfs() {
1090         local phy="$1"
1091         local chan="$2"
1092         iw "$phy" info | grep -E -m1 "(\* ${chan:-....} MHz${chan:+|\\[$chan\\]})" | grep -q "MHz.*radar detection"
1093         return $!
1094 }
1095
1096 mac80211_vap_cleanup() {
1097         local service="$1"
1098         local vaps="$2"
1099
1100         for wdev in $vaps; do
1101                 [ "$service" != "none" ] && ubus call ${service} config_remove "{\"iface\":\"$wdev\"}"
1102                 ip link set dev "$wdev" down 2>/dev/null
1103                 iw dev "$wdev" del
1104         done
1105 }
1106
1107 mac80211_interface_cleanup() {
1108         local phy="$1"
1109         local primary_ap=$(uci -q -P /var/state get wireless._${phy}.aplist)
1110         primary_ap=${primary_ap%% *}
1111
1112         mac80211_vap_cleanup hostapd "${primary_ap}"
1113         mac80211_vap_cleanup wpa_supplicant "$(uci -q -P /var/state get wireless._${phy}.splist)"
1114         mac80211_vap_cleanup none "$(uci -q -P /var/state get wireless._${phy}.umlist)"
1115 }
1116
1117 mac80211_set_noscan() {
1118         hostapd_noscan=1
1119 }
1120
1121 drv_mac80211_cleanup() {
1122         hostapd_common_cleanup
1123 }
1124
1125 drv_mac80211_setup() {
1126         json_select config
1127         json_get_vars \
1128                 phy macaddr path \
1129                 country chanbw distance \
1130                 txpower antenna_gain \
1131                 rxantenna txantenna \
1132                 frag rts beacon_int:100 htmode
1133         json_get_values basic_rate_list basic_rate
1134         json_get_values scan_list scan_list
1135         json_select ..
1136
1137         find_phy || {
1138                 echo "Could not find PHY for device '$1'"
1139                 wireless_set_retry 0
1140                 return 1
1141         }
1142
1143         wireless_set_data phy="$phy"
1144         [ -z "$(uci -q -P /var/state show wireless._${phy})" ] && uci -q -P /var/state set wireless._${phy}=phy
1145
1146         OLDAPLIST=$(uci -q -P /var/state get wireless._${phy}.aplist)
1147         OLDSPLIST=$(uci -q -P /var/state get wireless._${phy}.splist)
1148         OLDUMLIST=$(uci -q -P /var/state get wireless._${phy}.umlist)
1149
1150         local wdev
1151         local cwdev
1152         local found
1153
1154         for wdev in $(list_phy_interfaces "$phy"); do
1155                 found=0
1156                 for cwdev in $OLDAPLIST $OLDSPLIST $OLDUMLIST; do
1157                         if [ "$wdev" = "$cwdev" ]; then
1158                                 found=1
1159                                 break
1160                         fi
1161                 done
1162                 if [ "$found" = "0" ]; then
1163                         ip link set dev "$wdev" down
1164                         iw dev "$wdev" del
1165                 fi
1166         done
1167
1168         # convert channel to frequency
1169         [ "$auto_channel" -gt 0 ] || freq="$(get_freq "$phy" "$channel" "$band")"
1170
1171         [ -n "$country" ] && {
1172                 iw reg get | grep -q "^country $country:" || {
1173                         iw reg set "$country"
1174                         sleep 1
1175                 }
1176         }
1177
1178         hostapd_conf_file="/var/run/hostapd-$phy.conf"
1179
1180         no_ap=1
1181         macidx=0
1182         staidx=0
1183
1184         [ -n "$chanbw" ] && {
1185                 for file in /sys/kernel/debug/ieee80211/$phy/ath9k*/chanbw /sys/kernel/debug/ieee80211/$phy/ath5k/bwmode; do
1186                         [ -f "$file" ] && echo "$chanbw" > "$file"
1187                 done
1188         }
1189
1190         set_default rxantenna 0xffffffff
1191         set_default txantenna 0xffffffff
1192         set_default distance 0
1193         set_default antenna_gain 0
1194
1195         [ "$txantenna" = "all" ] && txantenna=0xffffffff
1196         [ "$rxantenna" = "all" ] && rxantenna=0xffffffff
1197
1198         iw phy "$phy" set antenna $txantenna $rxantenna >/dev/null 2>&1
1199         iw phy "$phy" set antenna_gain $antenna_gain >/dev/null 2>&1
1200         iw phy "$phy" set distance "$distance" >/dev/null 2>&1
1201
1202         if [ -n "$txpower" ]; then
1203                 iw phy "$phy" set txpower fixed "${txpower%%.*}00"
1204         else
1205                 iw phy "$phy" set txpower auto
1206         fi
1207
1208         [ -n "$frag" ] && iw phy "$phy" set frag "${frag%%.*}"
1209         [ -n "$rts" ] && iw phy "$phy" set rts "${rts%%.*}"
1210
1211         has_ap=
1212         hostapd_ctrl=
1213         ap_ifname=
1214         hostapd_noscan=
1215         for_each_interface "ap" mac80211_check_ap
1216
1217         rm -f "$hostapd_conf_file"
1218
1219         for_each_interface "sta adhoc mesh" mac80211_set_noscan
1220         [ -n "$has_ap" ] && mac80211_hostapd_setup_base "$phy"
1221
1222         mac80211_prepare_iw_htmode
1223         for_each_interface "sta adhoc mesh monitor" mac80211_prepare_vif
1224         NEWAPLIST=
1225         for_each_interface "ap" mac80211_prepare_vif
1226         NEW_MD5=$(test -e "${hostapd_conf_file}" && md5sum ${hostapd_conf_file})
1227         OLD_MD5=$(uci -q -P /var/state get wireless._${phy}.md5)
1228         if [ "${NEWAPLIST}" != "${OLDAPLIST}" ]; then
1229                 mac80211_vap_cleanup hostapd "${OLDAPLIST}"
1230         fi
1231         [ -n "${NEWAPLIST}" ] && mac80211_iw_interface_add "$phy" "${NEWAPLIST%% *}" __ap
1232         local add_ap=0
1233         local primary_ap=${NEWAPLIST%% *}
1234         [ -n "$hostapd_ctrl" ] && {
1235                 local no_reload=1
1236                 if [ -n "$(ubus list | grep hostapd.$primary_ap)" ]; then
1237                         no_reload=0
1238                         [ "${NEW_MD5}" = "${OLD_MD5}" ] || {
1239                                 ubus call hostapd.$primary_ap reload
1240                                 no_reload=$?
1241                                 if [ "$no_reload" != "0" ]; then
1242                                         mac80211_vap_cleanup hostapd "${OLDAPLIST}"
1243                                         mac80211_vap_cleanup wpa_supplicant "$(uci -q -P /var/state get wireless._${phy}.splist)"
1244                                         mac80211_vap_cleanup none "$(uci -q -P /var/state get wireless._${phy}.umlist)"
1245                                         sleep 2
1246                                         mac80211_iw_interface_add "$phy" "${NEWAPLIST%% *}" __ap
1247                                         for_each_interface "sta adhoc mesh monitor" mac80211_prepare_vif
1248                                 fi
1249                         }
1250                 fi
1251                 if [ "$no_reload" != "0" ]; then
1252                         add_ap=1
1253                         ubus wait_for hostapd
1254                         local hostapd_res="$(ubus call hostapd config_add "{\"iface\":\"$primary_ap\", \"config\":\"${hostapd_conf_file}\"}")"
1255                         ret="$?"
1256                         [ "$ret" != 0 -o -z "$hostapd_res" ] && {
1257                                 wireless_setup_failed HOSTAPD_START_FAILED
1258                                 return
1259                         }
1260                         wireless_add_process "$(jsonfilter -s "$hostapd_res" -l 1 -e @.pid)" "/usr/sbin/hostapd" 1 1
1261                 fi
1262         }
1263         uci -q -P /var/state set wireless._${phy}.aplist="${NEWAPLIST}"
1264         uci -q -P /var/state set wireless._${phy}.md5="${NEW_MD5}"
1265
1266         [ "${add_ap}" = 1 ] && sleep 1
1267         for_each_interface "ap" mac80211_setup_vif
1268
1269         NEWSPLIST=
1270         NEWUMLIST=
1271
1272         for_each_interface "sta adhoc mesh monitor" mac80211_setup_vif
1273
1274         uci -q -P /var/state set wireless._${phy}.splist="${NEWSPLIST}"
1275         uci -q -P /var/state set wireless._${phy}.umlist="${NEWUMLIST}"
1276
1277         local foundvap
1278         local dropvap=""
1279         for oldvap in $OLDSPLIST; do
1280                 foundvap=0
1281                 for newvap in $NEWSPLIST; do
1282                         [ "$oldvap" = "$newvap" ] && foundvap=1
1283                 done
1284                 [ "$foundvap" = "0" ] && dropvap="$dropvap $oldvap"
1285         done
1286         [ -n "$dropvap" ] && mac80211_vap_cleanup wpa_supplicant "$dropvap"
1287         wireless_set_up
1288 }
1289
1290 _list_phy_interfaces() {
1291         local phy="$1"
1292         if [ -d "/sys/class/ieee80211/${phy}/device/net" ]; then
1293                 ls "/sys/class/ieee80211/${phy}/device/net" 2>/dev/null;
1294         else
1295                 ls "/sys/class/ieee80211/${phy}/device" 2>/dev/null | grep net: | sed -e 's,net:,,g'
1296         fi
1297 }
1298
1299 list_phy_interfaces() {
1300         local phy="$1"
1301
1302         for dev in $(_list_phy_interfaces "$phy"); do
1303                 readlink "/sys/class/net/${dev}/phy80211" | grep -q "/${phy}\$" || continue
1304                 echo "$dev"
1305         done
1306 }
1307
1308 drv_mac80211_teardown() {
1309         json_select data
1310         json_get_vars phy
1311         json_select ..
1312         [ -n "$phy" ] || {
1313                 echo "Bug: PHY is undefined for device '$1'"
1314                 return 1
1315         }
1316
1317         mac80211_interface_cleanup "$phy"
1318         uci -q -P /var/state revert wireless._${phy}
1319 }
1320
1321 add_driver mac80211