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 "$@"
   7
   8 MP_CONFIG_INT="mesh_retry_timeout mesh_confirm_timeout mesh_holding_timeout mesh_max_peer_links
   9                mesh_max_retries mesh_ttl mesh_element_ttl mesh_hwmp_max_preq_retries
  10                mesh_path_refresh_time mesh_min_discovery_timeout mesh_hwmp_active_path_timeout
  11                mesh_hwmp_preq_min_interval mesh_hwmp_net_diameter_traversal_time mesh_hwmp_rootmode
  12                mesh_hwmp_rann_interval mesh_gate_announcements mesh_sync_offset_max_neighor
  13                mesh_rssi_threshold mesh_hwmp_active_path_to_root_timeout mesh_hwmp_root_interval
  14                mesh_hwmp_confirmation_interval mesh_awake_window mesh_plink_timeout"
  15 MP_CONFIG_BOOL="mesh_auto_open_plinks mesh_fwding"
  16 MP_CONFIG_STRING="mesh_power_mode"
  17
  18 wdev_tool() {
  19         ucode /usr/share/hostap/wdev.uc "$@"
  20 }
  21
  22 drv_mac80211_init_device_config() {
  23         hostapd_common_add_device_config
  24
  25         config_add_string path phy 'macaddr:macaddr'
  26         config_add_string tx_burst
  27         config_add_string distance
  28         config_add_int beacon_int chanbw frag rts
  29         config_add_int rxantenna txantenna txpower min_tx_power
  30         config_add_boolean noscan ht_coex acs_exclude_dfs background_radar
  31         config_add_array ht_capab
  32         config_add_array channels
  33         config_add_array scan_list
  34         config_add_boolean \
  35                 rxldpc \
  36                 short_gi_80 \
  37                 short_gi_160 \
  38                 tx_stbc_2by1 \
  39                 su_beamformer \
  40                 su_beamformee \
  41                 mu_beamformer \
  42                 mu_beamformee \
  43                 he_su_beamformer \
  44                 he_su_beamformee \
  45                 he_mu_beamformer \
  46                 vht_txop_ps \
  47                 htc_vht \
  48                 rx_antenna_pattern \
  49                 tx_antenna_pattern \
  50                 he_spr_sr_control \
  51                 he_spr_psr_enabled \
  52                 he_bss_color_enabled \
  53                 he_twt_required
  54         config_add_int \
  55                 beamformer_antennas \
  56                 beamformee_antennas \
  57                 vht_max_a_mpdu_len_exp \
  58                 vht_max_mpdu \
  59                 vht_link_adapt \
  60                 vht160 \
  61                 rx_stbc \
  62                 tx_stbc \
  63                 he_bss_color \
  64                 he_spr_non_srg_obss_pd_max_offset
  65         config_add_boolean \
  66                 ldpc \
  67                 greenfield \
  68                 short_gi_20 \
  69                 short_gi_40 \
  70                 max_amsdu \
  71                 dsss_cck_40
  72 }
  73
  74 drv_mac80211_init_iface_config() {
  75         hostapd_common_add_bss_config
  76
  77         config_add_string 'macaddr:macaddr' ifname
  78
  79         config_add_boolean wds powersave enable
  80         config_add_string wds_bridge
  81         config_add_int maxassoc
  82         config_add_int max_listen_int
  83         config_add_int dtim_period
  84         config_add_int start_disabled
  85
  86         # mesh
  87         config_add_string mesh_id
  88         config_add_int $MP_CONFIG_INT
  89         config_add_boolean $MP_CONFIG_BOOL
  90         config_add_string $MP_CONFIG_STRING
  91 }
  92
  93 mac80211_add_capabilities() {
  94         local __var="$1"; shift
  95         local __mask="$1"; shift
  96         local __out= oifs
  97
  98         oifs="$IFS"
  99         IFS=:
 100         for capab in "$@"; do
 101                 set -- $capab
 102
 103                 [ "$(($4))" -gt 0 ] || continue
 104                 [ "$(($__mask & $2))" -eq "$((${3:-$2}))" ] || continue
 105                 __out="$__out[$1]"
 106         done
 107         IFS="$oifs"
 108
 109         export -n -- "$__var=$__out"
 110 }
 111
 112 mac80211_add_he_capabilities() {
 113         local __out= oifs
 114
 115         oifs="$IFS"
 116         IFS=:
 117         for capab in "$@"; do
 118                 set -- $capab
 119                 [ "$(($4))" -gt 0 ] || continue
 120                 [ "$(((0x$2) & $3))" -gt 0 ] || {
 121                         eval "$1=0"
 122                         continue
 123                 }
 124                 append base_cfg "$1=1" "$N"
 125         done
 126         IFS="$oifs"
 127 }
 128
 129 mac80211_hostapd_setup_base() {
 130         local phy="$1"
 131
 132         json_select config
 133
 134         [ "$auto_channel" -gt 0 ] && channel=acs_survey
 135
 136         [ "$auto_channel" -gt 0 ] && json_get_vars acs_exclude_dfs
 137         [ -n "$acs_exclude_dfs" ] && [ "$acs_exclude_dfs" -gt 0 ] &&
 138                 append base_cfg "acs_exclude_dfs=1" "$N"
 139
 140         json_get_vars noscan ht_coex min_tx_power:0 tx_burst
 141         json_get_values ht_capab_list ht_capab
 142         json_get_values channel_list channels
 143
 144         [ "$auto_channel" = 0 ] && [ -z "$channel_list" ] && \
 145                 channel_list="$channel"
 146
 147         [ "$min_tx_power" -gt 0 ] && append base_cfg "min_tx_power=$min_tx_power"
 148
 149         set_default noscan 0
 150
 151         [ "$noscan" -gt 0 ] && hostapd_noscan=1
 152         [ "$tx_burst" = 0 ] && tx_burst=
 153
 154         chan_ofs=0
 155         [ "$band" = "6g" ] && chan_ofs=1
 156
 157         ieee80211n=1
 158         ht_capab=
 159         case "$htmode" in
 160                 VHT20|HT20|HE20) ;;
 161                 HT40*|VHT40|VHT80|VHT160|HE40|HE80|HE160)
 162                         case "$hwmode" in
 163                                 a)
 164                                         case "$(( (($channel / 4) + $chan_ofs) % 2 ))" in
 165                                                 1) ht_capab="[HT40+]";;
 166                                                 0) ht_capab="[HT40-]";;
 167                                         esac
 168                                 ;;
 169                                 *)
 170                                         case "$htmode" in
 171                                                 HT40+) ht_capab="[HT40+]";;
 172                                                 HT40-) ht_capab="[HT40-]";;
 173                                                 *)
 174                                                         if [ "$channel" -lt 7 ]; then
 175                                                                 ht_capab="[HT40+]"
 176                                                         else
 177                                                                 ht_capab="[HT40-]"
 178                                                         fi
 179                                                 ;;
 180                                         esac
 181                                 ;;
 182                         esac
 183                         [ "$auto_channel" -gt 0 ] && ht_capab="[HT40+]"
 184                 ;;
 185                 *) ieee80211n= ;;
 186         esac
 187
 188         [ -n "$ieee80211n" ] && {
 189                 append base_cfg "ieee80211n=1" "$N"
 190
 191                 set_default ht_coex 0
 192                 append base_cfg "ht_coex=$ht_coex" "$N"
 193
 194                 json_get_vars \
 195                         ldpc:1 \
 196                         greenfield:0 \
 197                         short_gi_20:1 \
 198                         short_gi_40:1 \
 199                         tx_stbc:1 \
 200                         rx_stbc:3 \
 201                         max_amsdu:1 \
 202                         dsss_cck_40:1
 203
 204                 ht_cap_mask=0
 205                 for cap in $(iw phy "$phy" info | grep 'Capabilities:' | cut -d: -f2); do
 206                         ht_cap_mask="$(($ht_cap_mask | $cap))"
 207                 done
 208
 209                 cap_rx_stbc=$((($ht_cap_mask >> 8) & 3))
 210                 [ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc="$rx_stbc"
 211                 ht_cap_mask="$(( ($ht_cap_mask & ~(0x300)) | ($cap_rx_stbc << 8) ))"
 212
 213                 mac80211_add_capabilities ht_capab_flags $ht_cap_mask \
 214                         LDPC:0x1::$ldpc \
 215                         GF:0x10::$greenfield \
 216                         SHORT-GI-20:0x20::$short_gi_20 \
 217                         SHORT-GI-40:0x40::$short_gi_40 \
 218                         TX-STBC:0x80::$tx_stbc \
 219                         RX-STBC1:0x300:0x100:1 \
 220                         RX-STBC12:0x300:0x200:1 \
 221                         RX-STBC123:0x300:0x300:1 \
 222                         MAX-AMSDU-7935:0x800::$max_amsdu \
 223                         DSSS_CCK-40:0x1000::$dsss_cck_40
 224
 225                 ht_capab="$ht_capab$ht_capab_flags"
 226                 [ -n "$ht_capab" ] && append base_cfg "ht_capab=$ht_capab" "$N"
 227         }
 228
 229         # 802.11ac
 230         enable_ac=0
 231         vht_oper_chwidth=0
 232         vht_center_seg0=
 233
 234         idx="$channel"
 235         case "$htmode" in
 236                 VHT20|HE20) enable_ac=1;;
 237                 VHT40|HE40)
 238                         case "$(( (($channel / 4) + $chan_ofs) % 2 ))" in
 239                                 1) idx=$(($channel + 2));;
 240                                 0) idx=$(($channel - 2));;
 241                         esac
 242                         enable_ac=1
 243                         vht_center_seg0=$idx
 244                 ;;
 245                 VHT80|HE80)
 246                         case "$(( (($channel / 4) + $chan_ofs) % 4 ))" in
 247                                 1) idx=$(($channel + 6));;
 248                                 2) idx=$(($channel + 2));;
 249                                 3) idx=$(($channel - 2));;
 250                                 0) idx=$(($channel - 6));;
 251                         esac
 252                         enable_ac=1
 253                         vht_oper_chwidth=1
 254                         vht_center_seg0=$idx
 255                 ;;
 256                 VHT160|HE160)
 257                         if [ "$band" = "6g" ]; then
 258                                 case "$channel" in
 259                                         1|5|9|13|17|21|25|29) idx=15;;
 260                                         33|37|41|45|49|53|57|61) idx=47;;
 261                                         65|69|73|77|81|85|89|93) idx=79;;
 262                                         97|101|105|109|113|117|121|125) idx=111;;
 263                                         129|133|137|141|145|149|153|157) idx=143;;
 264                                         161|165|169|173|177|181|185|189) idx=175;;
 265                                         193|197|201|205|209|213|217|221) idx=207;;
 266                                 esac
 267                         else
 268                                 case "$channel" in
 269                                         36|40|44|48|52|56|60|64) idx=50;;
 270                                         100|104|108|112|116|120|124|128) idx=114;;
 271                                 esac
 272                         fi
 273                         enable_ac=1
 274                         vht_oper_chwidth=2
 275                         vht_center_seg0=$idx
 276                 ;;
 277         esac
 278         [ "$band" = "5g" ] && {
 279                 json_get_vars background_radar:0
 280
 281                 [ "$background_radar" -eq 1 ] && append base_cfg "enable_background_radar=1" "$N"
 282         }
 283         [ "$band" = "6g" ] && {
 284                 op_class=
 285                 case "$htmode" in
 286                         HE20) op_class=131;;
 287                         HE*) op_class=$((132 + $vht_oper_chwidth))
 288                 esac
 289                 [ -n "$op_class" ] && append base_cfg "op_class=$op_class" "$N"
 290         }
 291         [ "$hwmode" = "a" ] || enable_ac=0
 292
 293         if [ "$enable_ac" != "0" ]; then
 294                 json_get_vars \
 295                         rxldpc:1 \
 296                         short_gi_80:1 \
 297                         short_gi_160:1 \
 298                         tx_stbc_2by1:1 \
 299                         su_beamformer:1 \
 300                         su_beamformee:1 \
 301                         mu_beamformer:1 \
 302                         mu_beamformee:1 \
 303                         vht_txop_ps:1 \
 304                         htc_vht:1 \
 305                         beamformee_antennas:4 \
 306                         beamformer_antennas:4 \
 307                         rx_antenna_pattern:1 \
 308                         tx_antenna_pattern:1 \
 309                         vht_max_a_mpdu_len_exp:7 \
 310                         vht_max_mpdu:11454 \
 311                         rx_stbc:4 \
 312                         vht_link_adapt:3 \
 313                         vht160:2
 314
 315                 set_default tx_burst 2.0
 316                 append base_cfg "ieee80211ac=1" "$N"
 317                 vht_cap=0
 318                 for cap in $(iw phy "$phy" info | awk -F "[()]" '/VHT Capabilities/ { print $2 }'); do
 319                         vht_cap="$(($vht_cap | $cap))"
 320                 done
 321
 322                 append base_cfg "vht_oper_chwidth=$vht_oper_chwidth" "$N"
 323                 append base_cfg "vht_oper_centr_freq_seg0_idx=$vht_center_seg0" "$N"
 324
 325                 cap_rx_stbc=$((($vht_cap >> 8) & 7))
 326                 [ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc="$rx_stbc"
 327                 vht_cap="$(( ($vht_cap & ~(0x700)) | ($cap_rx_stbc << 8) ))"
 328
 329                 mac80211_add_capabilities vht_capab $vht_cap \
 330                         RXLDPC:0x10::$rxldpc \
 331                         SHORT-GI-80:0x20::$short_gi_80 \
 332                         SHORT-GI-160:0x40::$short_gi_160 \
 333                         TX-STBC-2BY1:0x80::$tx_stbc_2by1 \
 334                         SU-BEAMFORMER:0x800::$su_beamformer \
 335                         SU-BEAMFORMEE:0x1000::$su_beamformee \
 336                         MU-BEAMFORMER:0x80000::$mu_beamformer \
 337                         MU-BEAMFORMEE:0x100000::$mu_beamformee \
 338                         VHT-TXOP-PS:0x200000::$vht_txop_ps \
 339                         HTC-VHT:0x400000::$htc_vht \
 340                         RX-ANTENNA-PATTERN:0x10000000::$rx_antenna_pattern \
 341                         TX-ANTENNA-PATTERN:0x20000000::$tx_antenna_pattern \
 342                         RX-STBC-1:0x700:0x100:1 \
 343                         RX-STBC-12:0x700:0x200:1 \
 344                         RX-STBC-123:0x700:0x300:1 \
 345                         RX-STBC-1234:0x700:0x400:1 \
 346
 347                 [ "$(($vht_cap & 0x800))" -gt 0 -a "$su_beamformer" -gt 0 ] && {
 348                         cap_ant="$(( ( ($vht_cap >> 16) & 3 ) + 1 ))"
 349                         [ "$cap_ant" -gt "$beamformer_antennas" ] && cap_ant="$beamformer_antennas"
 350                         [ "$cap_ant" -gt 1 ] && vht_capab="$vht_capab[SOUNDING-DIMENSION-$cap_ant]"
 351                 }
 352
 353                 [ "$(($vht_cap & 0x1000))" -gt 0 -a "$su_beamformee" -gt 0 ] && {
 354                         cap_ant="$(( ( ($vht_cap >> 13) & 3 ) + 1 ))"
 355                         [ "$cap_ant" -gt "$beamformee_antennas" ] && cap_ant="$beamformee_antennas"
 356                         [ "$cap_ant" -gt 1 ] && vht_capab="$vht_capab[BF-ANTENNA-$cap_ant]"
 357                 }
 358
 359                 # supported Channel widths
 360                 vht160_hw=0
 361                 [ "$(($vht_cap & 12))" -eq 4 -a 1 -le "$vht160" ] && \
 362                         vht160_hw=1
 363                 [ "$(($vht_cap & 12))" -eq 8 -a 2 -le "$vht160" ] && \
 364                         vht160_hw=2
 365                 [ "$vht160_hw" = 1 ] && vht_capab="$vht_capab[VHT160]"
 366                 [ "$vht160_hw" = 2 ] && vht_capab="$vht_capab[VHT160-80PLUS80]"
 367
 368                 # maximum MPDU length
 369                 vht_max_mpdu_hw=3895
 370                 [ "$(($vht_cap & 3))" -ge 1 -a 7991 -le "$vht_max_mpdu" ] && \
 371                         vht_max_mpdu_hw=7991
 372                 [ "$(($vht_cap & 3))" -ge 2 -a 11454 -le "$vht_max_mpdu" ] && \
 373                         vht_max_mpdu_hw=11454
 374                 [ "$vht_max_mpdu_hw" != 3895 ] && \
 375                         vht_capab="$vht_capab[MAX-MPDU-$vht_max_mpdu_hw]"
 376
 377                 # maximum A-MPDU length exponent
 378                 vht_max_a_mpdu_len_exp_hw=0
 379                 [ "$(($vht_cap & 58720256))" -ge 8388608 -a 1 -le "$vht_max_a_mpdu_len_exp" ] && \
 380                         vht_max_a_mpdu_len_exp_hw=1
 381                 [ "$(($vht_cap & 58720256))" -ge 16777216 -a 2 -le "$vht_max_a_mpdu_len_exp" ] && \
 382                         vht_max_a_mpdu_len_exp_hw=2
 383                 [ "$(($vht_cap & 58720256))" -ge 25165824 -a 3 -le "$vht_max_a_mpdu_len_exp" ] && \
 384                         vht_max_a_mpdu_len_exp_hw=3
 385                 [ "$(($vht_cap & 58720256))" -ge 33554432 -a 4 -le "$vht_max_a_mpdu_len_exp" ] && \
 386                         vht_max_a_mpdu_len_exp_hw=4
 387                 [ "$(($vht_cap & 58720256))" -ge 41943040 -a 5 -le "$vht_max_a_mpdu_len_exp" ] && \
 388                         vht_max_a_mpdu_len_exp_hw=5
 389                 [ "$(($vht_cap & 58720256))" -ge 50331648 -a 6 -le "$vht_max_a_mpdu_len_exp" ] && \
 390                         vht_max_a_mpdu_len_exp_hw=6
 391                 [ "$(($vht_cap & 58720256))" -ge 58720256 -a 7 -le "$vht_max_a_mpdu_len_exp" ] && \
 392                         vht_max_a_mpdu_len_exp_hw=7
 393                 vht_capab="$vht_capab[MAX-A-MPDU-LEN-EXP$vht_max_a_mpdu_len_exp_hw]"
 394
 395                 # whether or not the STA supports link adaptation using VHT variant
 396                 vht_link_adapt_hw=0
 397                 [ "$(($vht_cap & 201326592))" -ge 134217728 -a 2 -le "$vht_link_adapt" ] && \
 398                         vht_link_adapt_hw=2
 399                 [ "$(($vht_cap & 201326592))" -ge 201326592 -a 3 -le "$vht_link_adapt" ] && \
 400                         vht_link_adapt_hw=3
 401                 [ "$vht_link_adapt_hw" != 0 ] && \
 402                         vht_capab="$vht_capab[VHT-LINK-ADAPT-$vht_link_adapt_hw]"
 403
 404                 [ -n "$vht_capab" ] && append base_cfg "vht_capab=$vht_capab" "$N"
 405         fi
 406
 407         # 802.11ax
 408         enable_ax=0
 409         case "$htmode" in
 410                 HE*) enable_ax=1 ;;
 411         esac
 412
 413         if [ "$enable_ax" != "0" ]; then
 414                 json_get_vars \
 415                         he_su_beamformer:1 \
 416                         he_su_beamformee:1 \
 417                         he_mu_beamformer:1 \
 418                         he_twt_required:0 \
 419                         he_spr_sr_control:3 \
 420                         he_spr_psr_enabled:0 \
 421                         he_spr_non_srg_obss_pd_max_offset:0 \
 422                         he_bss_color:128 \
 423                         he_bss_color_enabled:1
 424
 425                 he_phy_cap=$(iw phy "$phy" info | sed -n '/HE Iftypes: AP/,$p' | awk -F "[()]" '/HE PHY Capabilities/ { print $2 }' | head -1)
 426                 he_phy_cap=${he_phy_cap:2}
 427                 he_mac_cap=$(iw phy "$phy" info | sed -n '/HE Iftypes: AP/,$p' | awk -F "[()]" '/HE MAC Capabilities/ { print $2 }' | head -1)
 428                 he_mac_cap=${he_mac_cap:2}
 429
 430                 append base_cfg "ieee80211ax=1" "$N"
 431                 [ "$hwmode" = "a" ] && {
 432                         append base_cfg "he_oper_chwidth=$vht_oper_chwidth" "$N"
 433                         append base_cfg "he_oper_centr_freq_seg0_idx=$vht_center_seg0" "$N"
 434                 }
 435
 436                 mac80211_add_he_capabilities \
 437                         he_su_beamformer:${he_phy_cap:6:2}:0x80:$he_su_beamformer \
 438                         he_su_beamformee:${he_phy_cap:8:2}:0x1:$he_su_beamformee \
 439                         he_mu_beamformer:${he_phy_cap:8:2}:0x2:$he_mu_beamformer \
 440                         he_spr_psr_enabled:${he_phy_cap:14:2}:0x1:$he_spr_psr_enabled \
 441                         he_twt_required:${he_mac_cap:0:2}:0x6:$he_twt_required
 442
 443                 if [ "$he_bss_color_enabled" -gt 0 ]; then
 444                         append base_cfg "he_bss_color=$he_bss_color" "$N"
 445                         [ "$he_spr_non_srg_obss_pd_max_offset" -gt 0 ] && { \
 446                                 append base_cfg "he_spr_non_srg_obss_pd_max_offset=$he_spr_non_srg_obss_pd_max_offset" "$N"
 447                                 he_spr_sr_control=$((he_spr_sr_control | (1 << 2)))
 448                         }
 449                         [ "$he_spr_psr_enabled" -gt 0 ] || he_spr_sr_control=$((he_spr_sr_control | (1 << 0)))
 450                         append base_cfg "he_spr_sr_control=$he_spr_sr_control" "$N"
 451                 else
 452                         append base_cfg "he_bss_color_disabled=1" "$N"
 453                 fi
 454
 455
 456                 append base_cfg "he_default_pe_duration=4" "$N"
 457                 append base_cfg "he_rts_threshold=1023" "$N"
 458                 append base_cfg "he_mu_edca_qos_info_param_count=0" "$N"
 459                 append base_cfg "he_mu_edca_qos_info_q_ack=0" "$N"
 460                 append base_cfg "he_mu_edca_qos_info_queue_request=0" "$N"
 461                 append base_cfg "he_mu_edca_qos_info_txop_request=0" "$N"
 462                 append base_cfg "he_mu_edca_ac_be_aifsn=8" "$N"
 463                 append base_cfg "he_mu_edca_ac_be_aci=0" "$N"
 464                 append base_cfg "he_mu_edca_ac_be_ecwmin=9" "$N"
 465                 append base_cfg "he_mu_edca_ac_be_ecwmax=10" "$N"
 466                 append base_cfg "he_mu_edca_ac_be_timer=255" "$N"
 467                 append base_cfg "he_mu_edca_ac_bk_aifsn=15" "$N"
 468                 append base_cfg "he_mu_edca_ac_bk_aci=1" "$N"
 469                 append base_cfg "he_mu_edca_ac_bk_ecwmin=9" "$N"
 470                 append base_cfg "he_mu_edca_ac_bk_ecwmax=10" "$N"
 471                 append base_cfg "he_mu_edca_ac_bk_timer=255" "$N"
 472                 append base_cfg "he_mu_edca_ac_vi_ecwmin=5" "$N"
 473                 append base_cfg "he_mu_edca_ac_vi_ecwmax=7" "$N"
 474                 append base_cfg "he_mu_edca_ac_vi_aifsn=5" "$N"
 475                 append base_cfg "he_mu_edca_ac_vi_aci=2" "$N"
 476                 append base_cfg "he_mu_edca_ac_vi_timer=255" "$N"
 477                 append base_cfg "he_mu_edca_ac_vo_aifsn=5" "$N"
 478                 append base_cfg "he_mu_edca_ac_vo_aci=3" "$N"
 479                 append base_cfg "he_mu_edca_ac_vo_ecwmin=5" "$N"
 480                 append base_cfg "he_mu_edca_ac_vo_ecwmax=7" "$N"
 481                 append base_cfg "he_mu_edca_ac_vo_timer=255" "$N"
 482         fi
 483
 484         hostapd_prepare_device_config "$hostapd_conf_file" nl80211
 485         cat >> "$hostapd_conf_file" <<EOF
 486 ${channel:+channel=$channel}
 487 ${channel_list:+chanlist=$channel_list}
 488 ${hostapd_noscan:+noscan=1}
 489 ${tx_burst:+tx_queue_data2_burst=$tx_burst}
 490 $base_cfg
 491
 492 EOF
 493         json_select ..
 494 }
 495
 496 mac80211_hostapd_setup_bss() {
 497         local phy="$1"
 498         local ifname="$2"
 499         local macaddr="$3"
 500         local type="$4"
 501
 502         hostapd_cfg=
 503         append hostapd_cfg "$type=$ifname" "$N"
 504
 505         hostapd_set_bss_options hostapd_cfg "$phy" "$vif" || return 1
 506         json_get_vars wds wds_bridge dtim_period max_listen_int start_disabled
 507
 508         set_default wds 0
 509         set_default start_disabled 0
 510
 511         [ "$wds" -gt 0 ] && {
 512                 append hostapd_cfg "wds_sta=1" "$N"
 513                 [ -n "$wds_bridge" ] && append hostapd_cfg "wds_bridge=$wds_bridge" "$N"
 514         }
 515         [ "$staidx" -gt 0 -o "$start_disabled" -eq 1 ] && append hostapd_cfg "start_disabled=1" "$N"
 516
 517         cat >> /var/run/hostapd-$phy.conf <<EOF
 518 $hostapd_cfg
 519 bssid=$macaddr
 520 ${dtim_period:+dtim_period=$dtim_period}
 521 ${max_listen_int:+max_listen_interval=$max_listen_int}
 522 EOF
 523 }
 524
 525 mac80211_get_addr() {
 526         local phy="$1"
 527         local idx="$(($2 + 1))"
 528
 529         head -n $idx /sys/class/ieee80211/${phy}/addresses | tail -n1
 530 }
 531
 532 mac80211_generate_mac() {
 533         local phy="$1"
 534         local id="${macidx:-0}"
 535
 536         wdev_tool "$phy" get_macaddr id=$id
 537 }
 538
 539 get_board_phy_name() (
 540         local path="$1"
 541         local fallback_phy=""
 542
 543         __check_phy() {
 544                 local val="$1"
 545                 local key="$2"
 546                 local ref_path="$3"
 547
 548                 json_select "$key"
 549                 json_get_values path
 550                 json_select ..
 551
 552                 [ "${ref_path%+*}" = "$path" ] && fallback_phy=$key
 553                 [ "$ref_path" = "$path" ] || return 0
 554
 555                 echo "$key"
 556                 exit
 557         }
 558
 559         json_load_file /etc/board.json
 560         json_for_each_item __check_phy wlan "$path"
 561         [ -n "$fallback_phy" ] && echo "${fallback_phy}.${path##*+}"
 562 )
 563
 564 rename_board_phy_by_path() {
 565         local path="$1"
 566
 567         local new_phy="$(get_board_phy_name "$path")"
 568         [ -z "$new_phy" -o "$new_phy" = "$phy" ] && return
 569
 570         iw "$phy" set name "$new_phy" && phy="$new_phy"
 571 }
 572
 573 rename_board_phy_by_name() (
 574         local phy="$1"
 575         local suffix="${phy##*.}"
 576         [ "$suffix" = "$phy" ] && suffix=
 577
 578         json_load_file /etc/board.json
 579         json_select wlan
 580         json_select "${phy%.*}" || return 0
 581         json_get_values path
 582
 583         prev_phy="$(iwinfo nl80211 phyname "path=$path${suffix:++$suffix}")"
 584         [ -n "$prev_phy" ] || return 0
 585
 586         [ "$prev_phy" = "$phy" ] && return 0
 587
 588         iw "$prev_phy" set name "$phy"
 589 )
 590
 591 find_phy() {
 592         [ -n "$phy" ] && {
 593                 rename_board_phy_by_name "$phy"
 594                 [ -d /sys/class/ieee80211/$phy ] && return 0
 595         }
 596         [ -n "$path" ] && {
 597                 phy="$(iwinfo nl80211 phyname "path=$path")"
 598                 [ -n "$phy" ] && {
 599                         rename_board_phy_by_path "$path"
 600                         return 0
 601                 }
 602         }
 603         [ -n "$macaddr" ] && {
 604                 for phy in $(ls /sys/class/ieee80211 2>/dev/null); do
 605                         grep -i -q "$macaddr" "/sys/class/ieee80211/${phy}/macaddress" && {
 606                                 path="$(iwinfo nl80211 path "$phy")"
 607                                 rename_board_phy_by_path "$path"
 608                                 return 0
 609                         }
 610                 done
 611         }
 612         return 1
 613 }
 614
 615 mac80211_check_ap() {
 616         has_ap=1
 617 }
 618
 619 mac80211_set_ifname() {
 620         local phy="$1"
 621         local prefix="$2"
 622         eval "ifname=\"$phy-$prefix\${idx_$prefix:-0}\"; idx_$prefix=\$((\${idx_$prefix:-0 } + 1))"
 623 }
 624
 625 mac80211_prepare_vif() {
 626         json_select config
 627
 628         json_get_vars ifname mode ssid wds powersave macaddr enable wpa_psk_file vlan_file
 629
 630         [ -n "$ifname" ] || {
 631                 local prefix;
 632
 633                 case "$mode" in
 634                 ap|sta|mesh) prefix=$mode;;
 635                 adhoc) prefix=ibss;;
 636                 monitor) prefix=mon;;
 637                 esac
 638
 639                 mac80211_set_ifname "$phy" "$prefix"
 640         }
 641
 642         append active_ifnames "$ifname"
 643         set_default wds 0
 644         set_default powersave 0
 645         json_add_string _ifname "$ifname"
 646
 647         if [ -z "$macaddr" ]; then
 648                 macaddr="$(mac80211_generate_mac $phy)"
 649                 macidx="$(($macidx + 1))"
 650         elif [ "$macaddr" = 'random' ]; then
 651                 macaddr="$(macaddr_random)"
 652         fi
 653         json_add_string _macaddr "$macaddr"
 654         json_select ..
 655
 656
 657         [ "$mode" == "ap" ] && {
 658                 [ -z "$wpa_psk_file" ] && hostapd_set_psk "$ifname"
 659                 [ -z "$vlan_file" ] && hostapd_set_vlan "$ifname"
 660         }
 661
 662         json_select config
 663
 664         # It is far easier to delete and create the desired interface
 665         case "$mode" in
 666                 ap)
 667                         # Hostapd will handle recreating the interface and
 668                         # subsequent virtual APs belonging to the same PHY
 669                         if [ -n "$hostapd_ctrl" ]; then
 670                                 type=bss
 671                         else
 672                                 type=interface
 673                         fi
 674
 675                         mac80211_hostapd_setup_bss "$phy" "$ifname" "$macaddr" "$type" || return
 676
 677                         [ -n "$hostapd_ctrl" ] || {
 678                                 ap_ifname="${ifname}"
 679                                 hostapd_ctrl="${hostapd_ctrl:-/var/run/hostapd/$ifname}"
 680                         }
 681                 ;;
 682         esac
 683
 684         json_select ..
 685 }
 686
 687 mac80211_prepare_iw_htmode() {
 688         case "$htmode" in
 689                 VHT20|HT20|HE20) iw_htmode=HT20;;
 690                 HT40*|VHT40|VHT160|HE40)
 691                         case "$band" in
 692                                 2g)
 693                                         case "$htmode" in
 694                                                 HT40+) iw_htmode="HT40+";;
 695                                                 HT40-) iw_htmode="HT40-";;
 696                                                 *)
 697                                                         if [ "$channel" -lt 7 ]; then
 698                                                                 iw_htmode="HT40+"
 699                                                         else
 700                                                                 iw_htmode="HT40-"
 701                                                         fi
 702                                                 ;;
 703                                         esac
 704                                 ;;
 705                                 *)
 706                                         case "$(( ($channel / 4) % 2 ))" in
 707                                                 1) iw_htmode="HT40+" ;;
 708                                                 0) iw_htmode="HT40-";;
 709                                         esac
 710                                 ;;
 711                         esac
 712                         [ "$auto_channel" -gt 0 ] && iw_htmode="HT40+"
 713                 ;;
 714                 VHT80|HE80)
 715                         iw_htmode="80MHZ"
 716                 ;;
 717                 NONE|NOHT)
 718                         iw_htmode="NOHT"
 719                 ;;
 720                 *) iw_htmode="" ;;
 721         esac
 722 }
 723
 724 mac80211_add_mesh_params() {
 725         for var in $MP_CONFIG_INT $MP_CONFIG_BOOL $MP_CONFIG_STRING; do
 726                 eval "mp_val=\"\$$var\""
 727                 [ -n "$mp_val" ] && json_add_string "$var" "$mp_val"
 728         done
 729 }
 730
 731 mac80211_setup_adhoc() {
 732         local enable=$1
 733         json_get_vars bssid ssid key mcast_rate
 734
 735         NEWUMLIST="${NEWUMLIST}$ifname "
 736
 737         [ "$enable" = 0 ] && {
 738                 ip link set dev "$ifname" down
 739                 return 0
 740         }
 741
 742         keyspec=
 743         [ "$auth_type" = "wep" ] && {
 744                 set_default key 1
 745                 case "$key" in
 746                         [1234])
 747                                 local idx
 748                                 for idx in 1 2 3 4; do
 749                                         json_get_var ikey "key$idx"
 750
 751                                         [ -n "$ikey" ] && {
 752                                                 ikey="$(($idx - 1)):$(prepare_key_wep "$ikey")"
 753                                                 [ $idx -eq $key ] && ikey="d:$ikey"
 754                                                 append keyspec "$ikey"
 755                                         }
 756                                 done
 757                         ;;
 758                         *)
 759                                 append keyspec "d:0:$(prepare_key_wep "$key")"
 760                         ;;
 761                 esac
 762         }
 763
 764         brstr=
 765         for br in $basic_rate_list; do
 766                 wpa_supplicant_add_rate brstr "$br"
 767         done
 768
 769         mcval=
 770         [ -n "$mcast_rate" ] && wpa_supplicant_add_rate mcval "$mcast_rate"
 771
 772         local prev
 773         json_set_namespace wdev_uc prev
 774
 775         json_add_object "$ifname"
 776         json_add_string mode adhoc
 777         json_add_string macaddr "$macaddr"
 778         json_add_string ssid "$ssid"
 779         json_add_string freq "$freq"
 780         json_add_string htmode "$iw_htmode"
 781         [ -n "$bssid" ] && json_add_string bssid "$bssid"
 782         json_add_int beacon-interval "$beacon_int"
 783         [ -n "$brstr" ] && json_add_string basic-rates "$brstr"
 784         [ -n "$mcval" ] && json_add_string mcast-rate "$mcval"
 785         [ -n "$keyspec" ] && json_add_string keys "$keyspec"
 786         json_close_object
 787
 788         json_set_namespace "$prev"
 789 }
 790
 791 mac80211_setup_mesh() {
 792         json_get_vars ssid mesh_id mcast_rate
 793
 794         mcval=
 795         [ -n "$mcast_rate" ] && wpa_supplicant_add_rate mcval "$mcast_rate"
 796         [ -n "$mesh_id" ] && ssid="$mesh_id"
 797
 798         local prev
 799         json_set_namespace wdev_uc prev
 800
 801         json_add_object "$ifname"
 802         json_add_string mode mesh
 803         json_add_string macaddr "$macaddr"
 804         json_add_string ssid "$ssid"
 805         json_add_string freq "$freq"
 806         json_add_string htmode "$iw_htmode"
 807         [ -n "$mcval" ] && json_add_string mcast-rate "$mcval"
 808         json_add_int beacon-interval "$beacon_int"
 809         mac80211_add_mesh_params
 810
 811         json_close_object
 812
 813         json_set_namespace "$prev"
 814 }
 815
 816 mac80211_setup_monitor() {
 817         local prev
 818         json_set_namespace wdev_uc prev
 819
 820         json_add_object "$ifname"
 821         json_add_string mode monitor
 822         [ -n "$freq" ] && json_add_string freq "$freq"
 823         json_add_string htmode "$iw_htmode"
 824         json_close_object
 825
 826         json_set_namespace "$prev"
 827 }
 828
 829 mac80211_set_vif_txpower() {
 830         local name="$1"
 831
 832         json_select config
 833         json_get_var ifname _ifname
 834         json_get_vars vif_txpower
 835         json_select ..
 836
 837         [ -z "$vif_txpower" ] || iw dev "$ifname" set txpower fixed "${vif_txpower%%.*}00"
 838 }
 839
 840 wpa_supplicant_init_config() {
 841         json_set_namespace wpa_supp prev
 842
 843         json_init
 844         json_add_array config
 845
 846         json_set_namespace "$prev"
 847 }
 848
 849 wpa_supplicant_add_interface() {
 850         local ifname="$1"
 851         local mode="$2"
 852         local prev
 853
 854         _wpa_supplicant_common "$ifname"
 855
 856         json_set_namespace wpa_supp prev
 857
 858         json_add_object
 859         json_add_string ctrl "$_rpath"
 860         json_add_string iface "$ifname"
 861         json_add_string mode "$mode"
 862         json_add_string config "$_config"
 863         json_add_string macaddr "$macaddr"
 864         [ -n "$network_bridge" ] && json_add_string bridge "$network_bridge"
 865         [ -n "$wds" ] && json_add_boolean 4addr "$wds"
 866         json_add_boolean powersave "$powersave"
 867         [ "$mode" = "mesh" ] && mac80211_add_mesh_params
 868         json_close_object
 869
 870         json_set_namespace "$prev"
 871
 872         wpa_supp_init=1
 873 }
 874
 875 wpa_supplicant_set_config() {
 876         local phy="$1"
 877         local prev
 878
 879         json_set_namespace wpa_supp prev
 880         json_close_array
 881         json_add_string phy "$phy"
 882         json_add_boolean defer 1
 883         local data="$(json_dump)"
 884
 885         json_cleanup
 886         json_set_namespace "$prev"
 887
 888         ubus -S -t 0 wait_for wpa_supplicant || {
 889                 [ -n "$wpa_supp_init" ] || return 0
 890
 891                 ubus wait_for wpa_supplicant
 892         }
 893
 894         local supplicant_res="$(ubus call wpa_supplicant config_set "$data")"
 895         ret="$?"
 896         [ "$ret" != 0 -o -z "$supplicant_res" ] && wireless_setup_vif_failed WPA_SUPPLICANT_FAILED
 897
 898         wireless_add_process "$(jsonfilter -s "$supplicant_res" -l 1 -e @.pid)" "/usr/sbin/wpa_supplicant" 1 1
 899
 900 }
 901
 902 hostapd_set_config() {
 903         [ -n "$hostapd_ctrl" ] || {
 904                 ubus call hostapd config_set '{ "phy": "'"$phy"'", "config": "", "prev_config": "'"${hostapd_conf_file}.prev"'" }' > /dev/null
 905                 return 0;
 906         }
 907
 908         ubus wait_for hostapd
 909         local hostapd_res="$(ubus call hostapd config_set "{ \"phy\": \"$phy\", \"config\":\"${hostapd_conf_file}\", \"prev_config\": \"${hostapd_conf_file}.prev\"}")"
 910         ret="$?"
 911         [ "$ret" != 0 -o -z "$hostapd_res" ] && {
 912                 wireless_setup_failed HOSTAPD_START_FAILED
 913                 return
 914         }
 915         wireless_add_process "$(jsonfilter -s "$hostapd_res" -l 1 -e @.pid)" "/usr/sbin/hostapd" 1 1
 916 }
 917
 918
 919 wpa_supplicant_start() {
 920         local phy="$1"
 921
 922         [ -n "$wpa_supp_init" ] || return 0
 923
 924         ubus call wpa_supplicant config_set '{ "phy": "'"$phy"'" }' > /dev/null
 925 }
 926
 927 mac80211_setup_supplicant() {
 928         local enable=$1
 929         local add_sp=0
 930
 931         wpa_supplicant_prepare_interface "$ifname" nl80211 || return 1
 932
 933         if [ "$mode" = "sta" ]; then
 934                 wpa_supplicant_add_network "$ifname"
 935         else
 936                 wpa_supplicant_add_network "$ifname" "$freq" "$htmode" "$noscan"
 937         fi
 938
 939         wpa_supplicant_add_interface "$ifname" "$mode"
 940
 941         return 0
 942 }
 943
 944 mac80211_setup_vif() {
 945         local name="$1"
 946         local failed
 947
 948         json_select config
 949         json_get_var ifname _ifname
 950         json_get_var macaddr _macaddr
 951         json_get_vars mode wds powersave
 952
 953         set_default powersave 0
 954         set_default wds 0
 955
 956         case "$mode" in
 957                 mesh)
 958                         json_get_vars $MP_CONFIG_INT $MP_CONFIG_BOOL $MP_CONFIG_STRING
 959                         wireless_vif_parse_encryption
 960                         [ -z "$htmode" ] && htmode="NOHT";
 961                         if wpa_supplicant -vmesh; then
 962                                 mac80211_setup_supplicant || failed=1
 963                         else
 964                                 mac80211_setup_mesh
 965                         fi
 966                 ;;
 967                 adhoc)
 968                         wireless_vif_parse_encryption
 969                         if [ "$wpa" -gt 0 -o "$auto_channel" -gt 0 ]; then
 970                                 mac80211_setup_supplicant || failed=1
 971                         else
 972                                 mac80211_setup_adhoc
 973                         fi
 974                 ;;
 975                 sta)
 976                         mac80211_setup_supplicant || failed=1
 977                 ;;
 978                 monitor)
 979                         mac80211_setup_monitor
 980                 ;;
 981         esac
 982
 983         json_select ..
 984         [ -n "$failed" ] || wireless_add_vif "$name" "$ifname"
 985 }
 986
 987 get_freq() {
 988         local phy="$1"
 989         local channel="$2"
 990         local band="$3"
 991
 992         case "$band" in
 993                 2g) band="1:";;
 994                 5g) band="2:";;
 995                 60g) band="3:";;
 996                 6g) band="4:";;
 997         esac
 998
 999         iw "$phy" info | awk -v band="$band" -v channel="[$channel]" '
1000
1001 $1 ~ /Band/ {
1002         band_match = band == $2
1003 }
1004
1005 band_match && $3 == "MHz" && $4 == channel {
1006         print $2
1007         exit
1008 }
1009 '
1010 }
1011
1012 chan_is_dfs() {
1013         local phy="$1"
1014         local chan="$2"
1015         iw "$phy" info | grep -E -m1 "(\* ${chan:-....} MHz${chan:+|\\[$chan\\]})" | grep -q "MHz.*radar detection"
1016         return $!
1017 }
1018
1019 mac80211_set_noscan() {
1020         hostapd_noscan=1
1021 }
1022
1023 drv_mac80211_cleanup() {
1024         hostapd_common_cleanup
1025 }
1026
1027 mac80211_reset_config() {
1028         local phy="$1"
1029
1030         hostapd_conf_file="/var/run/hostapd-$phy.conf"
1031         ubus call hostapd config_set '{ "phy": "'"$phy"'", "config": "", "prev_config": "'"$hostapd_conf_file"'" }' > /dev/null
1032         ubus call wpa_supplicant config_set '{ "phy": "'"$phy"'", "config": [] }' > /dev/null
1033         wdev_tool "$phy" set_config '{}'
1034 }
1035
1036 drv_mac80211_setup() {
1037         json_select config
1038         json_get_vars \
1039                 phy macaddr path \
1040                 country chanbw distance \
1041                 txpower \
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         json_select data && {
1049                 json_get_var prev_rxantenna rxantenna
1050                 json_get_var prev_txantenna txantenna
1051                 json_select ..
1052         }
1053
1054         find_phy || {
1055                 echo "Could not find PHY for device '$1'"
1056                 wireless_set_retry 0
1057                 return 1
1058         }
1059
1060         local wdev
1061         local cwdev
1062         local found
1063
1064         # convert channel to frequency
1065         [ "$auto_channel" -gt 0 ] || freq="$(get_freq "$phy" "$channel" "$band")"
1066
1067         [ -n "$country" ] && {
1068                 iw reg get | grep -q "^country $country:" || {
1069                         iw reg set "$country"
1070                         sleep 1
1071                 }
1072         }
1073
1074         hostapd_conf_file="/var/run/hostapd-$phy.conf"
1075
1076         macidx=0
1077         staidx=0
1078
1079         [ -n "$chanbw" ] && {
1080                 for file in /sys/kernel/debug/ieee80211/$phy/ath9k*/chanbw /sys/kernel/debug/ieee80211/$phy/ath5k/bwmode; do
1081                         [ -f "$file" ] && echo "$chanbw" > "$file"
1082                 done
1083         }
1084
1085         set_default rxantenna 0xffffffff
1086         set_default txantenna 0xffffffff
1087         set_default distance 0
1088
1089         [ "$txantenna" = "all" ] && txantenna=0xffffffff
1090         [ "$rxantenna" = "all" ] && rxantenna=0xffffffff
1091
1092         [ "$rxantenna" = "$prev_rxantenna" -a "$txantenna" = "$prev_txantenna" ] || mac80211_reset_config "$phy"
1093         wireless_set_data phy="$phy" txantenna="$txantenna" rxantenna="$rxantenna"
1094
1095         iw phy "$phy" set antenna $txantenna $rxantenna >/dev/null 2>&1
1096         iw phy "$phy" set distance "$distance" >/dev/null 2>&1
1097
1098         if [ -n "$txpower" ]; then
1099                 iw phy "$phy" set txpower fixed "${txpower%%.*}00"
1100         else
1101                 iw phy "$phy" set txpower auto
1102         fi
1103
1104         [ -n "$frag" ] && iw phy "$phy" set frag "${frag%%.*}"
1105         [ -n "$rts" ] && iw phy "$phy" set rts "${rts%%.*}"
1106
1107         has_ap=
1108         hostapd_ctrl=
1109         ap_ifname=
1110         hostapd_noscan=
1111         wpa_supp_init=
1112         for_each_interface "ap" mac80211_check_ap
1113
1114         [ -f "$hostapd_conf_file" ] && mv "$hostapd_conf_file" "$hostapd_conf_file.prev"
1115
1116         for_each_interface "sta adhoc mesh" mac80211_set_noscan
1117         [ -n "$has_ap" ] && mac80211_hostapd_setup_base "$phy"
1118
1119         local prev
1120         json_set_namespace wdev_uc prev
1121         json_init
1122         json_set_namespace "$prev"
1123
1124         wpa_supplicant_init_config
1125
1126         mac80211_prepare_iw_htmode
1127         active_ifnames=
1128         for_each_interface "ap sta adhoc mesh monitor" mac80211_prepare_vif
1129         for_each_interface "ap sta adhoc mesh monitor" mac80211_setup_vif
1130
1131         [ -x /usr/sbin/wpa_supplicant ] && wpa_supplicant_set_config "$phy"
1132         [ -x /usr/sbin/hostapd ] && hostapd_set_config "$phy"
1133
1134         [ -x /usr/sbin/wpa_supplicant ] && wpa_supplicant_start "$phy"
1135
1136         json_set_namespace wdev_uc prev
1137         wdev_tool "$phy" set_config "$(json_dump)" $active_ifnames
1138         json_set_namespace "$prev"
1139
1140         for_each_interface "ap sta adhoc mesh monitor" mac80211_set_vif_txpower
1141         wireless_set_up
1142 }
1143
1144 _list_phy_interfaces() {
1145         local phy="$1"
1146         if [ -d "/sys/class/ieee80211/${phy}/device/net" ]; then
1147                 ls "/sys/class/ieee80211/${phy}/device/net" 2>/dev/null;
1148         else
1149                 ls "/sys/class/ieee80211/${phy}/device" 2>/dev/null | grep net: | sed -e 's,net:,,g'
1150         fi
1151 }
1152
1153 list_phy_interfaces() {
1154         local phy="$1"
1155
1156         for dev in $(_list_phy_interfaces "$phy"); do
1157                 readlink "/sys/class/net/${dev}/phy80211" | grep -q "/${phy}\$" || continue
1158                 echo "$dev"
1159         done
1160 }
1161
1162 drv_mac80211_teardown() {
1163         json_select data
1164         json_get_vars phy
1165         json_select ..
1166         [ -n "$phy" ] || {
1167                 echo "Bug: PHY is undefined for device '$1'"
1168                 return 1
1169         }
1170
1171         mac80211_reset_config "$phy"
1172
1173         for wdev in $(list_phy_interfaces "$phy"); do
1174                 ip link set dev "$wdev" down
1175                 iw dev "$wdev" del
1176         done
1177 }
1178
1179 add_driver mac80211