661 lines
16 KiB
Bash
661 lines
16 KiB
Bash
#!/bin/sh
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. /lib/netifd/netifd-wireless.sh
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. /lib/netifd/hostapd.sh
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init_wireless_driver "$@"
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MP_CONFIG_INT="mesh_retry_timeout mesh_confirm_timeout mesh_holding_timeout mesh_max_peer_links
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mesh_max_retries mesh_ttl mesh_element_ttl mesh_hwmp_max_preq_retries
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mesh_path_refresh_time mesh_min_discovery_timeout mesh_hwmp_active_path_timeout
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mesh_hwmp_preq_min_interval mesh_hwmp_net_diameter_traversal_time mesh_hwmp_rootmode
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mesh_hwmp_rann_interval mesh_gate_announcements mesh_sync_offset_max_neighor
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mesh_rssi_threshold mesh_hwmp_active_path_to_root_timeout mesh_hwmp_root_interval
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mesh_hwmp_confirmation_interval mesh_awake_window mesh_plink_timeout"
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MP_CONFIG_BOOL="mesh_auto_open_plinks mesh_fwding"
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MP_CONFIG_STRING="mesh_power_mode"
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drv_mac80211_init_device_config() {
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hostapd_common_add_device_config
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config_add_string path phy 'macaddr:macaddr'
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config_add_string hwmode
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config_add_int beacon_int chanbw frag rts
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config_add_int rxantenna txantenna antenna_gain txpower distance
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config_add_boolean noscan
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config_add_array ht_capab
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config_add_boolean \
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rxldpc \
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short_gi_80 \
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short_gi_160 \
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tx_stbc_2by1 \
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su_beamformer \
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su_beamformee \
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mu_beamformer \
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mu_beamformee \
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vht_txop_ps \
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htc_vht \
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rx_antenna_pattern \
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tx_antenna_pattern
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config_add_int vht_max_mpdu vht_max_rx_stbc vht_link_adapt vht160
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}
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drv_mac80211_init_iface_config() {
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hostapd_common_add_bss_config
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config_add_string 'macaddr:macaddr' ifname
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config_add_boolean wds powersave
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config_add_int maxassoc
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config_add_int max_listen_int
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config_add_int dtim_interval
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# mesh
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config_add_string mesh_id
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config_add_int $MP_CONFIG_INT
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config_add_boolean $MP_CONFIG_BOOL
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config_add_string $MP_CONFIG_STRING
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}
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mac80211_add_capabilities() {
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local __var="$1"; shift
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local __mask="$1"; shift
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local __out= oifs
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oifs="$IFS"
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IFS=:
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for capab in "$@"; do
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set -- $capab
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[ "$(($4))" -gt 0 ] || continue
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[ "$(($__mask & $2))" -eq "$((${3:-$2}))" ] || continue
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__out="$__out[$1]"
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done
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IFS="$oifs"
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export -n -- "$__var=$__out"
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}
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mac80211_hostapd_setup_base() {
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local phy="$1"
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json_select config
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[ "$auto_channel" -gt 0 ] && channel=acs_survey
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[ "$enable_ht" -gt 0 ] && {
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json_get_vars noscan htmode
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json_get_values ht_capab_list ht_capab
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ieee80211n=1
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ht_capab=
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case "$htmode" in
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VHT20|HT20) ;;
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HT40*|VHT40|VHT80|VHT160)
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case "$hwmode" in
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a)
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case "$(( ($channel / 4) % 2 ))" in
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1) ht_capab="[HT40+]";;
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0) ht_capab="[HT40-]";;
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esac
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;;
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*)
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case "$htmode" in
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HT40+) ht_capab="[HT40+]";;
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HT40-) ht_capab="[HT40-]";;
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*)
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if [ "$channel" -lt 7 ]; then
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ht_capab="[HT40+]"
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else
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ht_capab="[HT40-]"
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fi
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;;
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esac
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;;
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esac
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[ "$auto_channel" -gt 0 ] && ht_capab="[HT40+]"
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;;
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*) ieee80211n= ;;
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esac
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[ -n "$ieee80211n" ] && {
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append base_cfg "ieee80211n=1" "$N"
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json_get_vars \
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ldpc:1 \
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greenfield:1 \
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short_gi_20:1 \
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short_gi_40:1 \
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tx_stbc:1 \
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rx_stbc:3 \
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dsss_cck_40:1
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ht_cap_mask=0
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for cap in $(iw phy "$phy" info | grep 'Capabilities:' | cut -d: -f2); do
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ht_cap_mask="$(($ht_cap_mask | $cap))"
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done
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cap_rx_stbc=$((($ht_cap_mask >> 8) & 3))
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[ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc="$rx_stbc"
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ht_cap_mask="$(( ($ht_cap_mask & ~(0x300)) | ($cap_rx_stbc << 8) ))"
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mac80211_add_capabilities ht_capab_flags $ht_cap_mask \
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LDPC:0x1::$ldpc \
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GF:0x10::$greenfield \
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SHORT-GI-20:0x20::$short_gi_20 \
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SHORT-GI-40:0x40::$short_gi_40 \
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TX-STBC:0x80::$max_tx_stbc \
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RX-STBC1:0x300:0x100:1 \
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RX-STBC12:0x300:0x200:1 \
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RX-STBC123:0x300:0x300:1 \
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DSSS_CCK-40:0x1000::$dsss_cck_40
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[ -n "$ht_capab" ] && append base_cfg "ht_capab=$ht_capab$ht_capab_flags" "$N"
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}
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# 802.11ac
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enable_ac=0
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idx="$channel"
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case "$htmode" in
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VHT20) enable_ac=1;;
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VHT40)
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case "$(( ($channel / 4) % 2 ))" in
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1) idx=$(($channel + 2));;
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0) idx=$(($channel - 2));;
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esac
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enable_ac=1
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append base_cfg "vht_oper_chwidth=0" "$N"
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append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
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;;
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VHT80)
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case "$(( ($channel / 4) % 2 ))" in
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1) idx=$(($channel + 6));;
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2) idx=$(($channel + 2));;
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3) idx=$(($channel - 2));;
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0) idx=$(($channel - 6));;
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esac
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enable_ac=1
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append base_cfg "vht_oper_chwidth=1" "$N"
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append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
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;;
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VHT160)
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case "$channel" in
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36|40|44|48|52|56|60|64) idx=50;;
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100|104|108|112|116|120|124|128) idx=114;;
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esac
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enable_ac=1
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append base_cfg "vht_oper_chwidth=2" "$N"
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append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
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;;
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esac
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if [ "$enable_ac" != "0" ]; then
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json_get_vars \
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rxldpc:1 \
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short_gi_80:1 \
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short_gi_160:1 \
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tx_stbc_2by1:1 \
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su_beamformer:1 \
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su_beamformee:1 \
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mu_beamformer:1 \
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mu_beamformee:1 \
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vht_txop_ps:1 \
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htc_vht:1 \
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rx_antenna_pattern:1 \
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tx_antenna_pattern:1 \
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vht_max_mpdu:11454 \
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rx_stbc:4 \
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vht_link_adapt:3 \
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vht160:2
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append base_cfg "ieee80211ac=1" "$N"
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vht_cap=0
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for cap in $(iw phy "$phy" info | awk -F "[()]" '/VHT Capabilities/ { print $2 }'); do
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vht_cap="$(($vht_cap | $cap))"
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done
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cap_rx_stbc=$((($vht_cap >> 8) & 7))
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[ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc="$rx_stbc"
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ht_cap_mask="$(( ($vht_cap & ~(0x700)) | ($cap_rx_stbc << 8) ))"
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mac80211_add_capabilities vht_capab $vht_cap \
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RXLDPC:0x10::$rxldpc \
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SHORT-GI-80:0x20::$short_gi_80 \
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SHORT-GI-160:0x40::$short_gi_160 \
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TX-STBC-2BY1:0x80::$tx_stbc \
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SU-BEAMFORMER:0x800::$su_beamformer \
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SU-BEAMFORMEE:0x1000::$su_beamformee \
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MU-BEAMFORMER:0x80000::$mu_beamformer \
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MU-BEAMFORMEE:0x100000::$mu_beamformee \
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VHT-TXOP-PS:0x200000::$vht_txop_ps \
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HTC-VHT:0x400000::$htc_vht \
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RX-ANTENNA-PATTERN:0x10000000::$rx_antenna_pattern \
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TX-ANTENNA-PATTERN:0x20000000::$tx_antenna_pattern \
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RX-STBC1:0x700:0x100:1 \
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RX-STBC12:0x700:0x200:1 \
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RX-STBC123:0x700:0x300:1 \
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RX-STBC1234:0x700:0x400:1 \
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# supported Channel widths
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vht160_hw=0
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[ "$(($vht_cap & 12))" -eq 4 -a 1 -le "$vht160" ] && \
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vht160_hw=1
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[ "$(($vht_cap & 12))" -eq 8 -a 2 -le "$vht160" ] && \
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vht160_hw=2
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[ "$vht160_hw" = 1 ] && vht_capab="$vht_capab[VHT160]"
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[ "$vht160_hw" = 2 ] && vht_capab="$vht_capab[VHT160-80PLUS80]"
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# maximum MPDU length
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vht_max_mpdu_hw=3895
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[ "$(($vht_cap & 3))" -ge 1 -a 7991 -le "$vht_max_mpdu" ] && \
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vht_max_mpdu_hw=7991
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[ "$(($vht_cap & 3))" -ge 2 -a 11454 -le "$vht_max_mpdu" ] && \
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vht_max_mpdu_hw=11454
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[ "$vht_max_mpdu_hw" != 3895 ] && \
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vht_capab="$vht_capab[MAX-MPDU-$vht_max_mpdu_hw]"
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# whether or not the STA supports link adaptation using VHT variant
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vht_link_adapt_hw=0
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[ "$(($vht_cap & 201326592))" -ge 134217728 -a 2 -le "$vht_link_adapt" ] && \
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vht_link_adapt_hw=2
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[ "$(($vht_cap & 201326592))" -ge 201326592 -a 3 -le "$vht_link_adapt" ] && \
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vht_link_adapt_hw=3
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[ "$vht_link_adapt_hw" != 0 ] && \
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vht_capab="$vht_capab[VHT-LINK-ADAPT-$vht_link_adapt_hw]"
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[ -n "$vht_capab" ] && append base_cfg "vht_capab=$vht_capab" "$N"
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fi
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}
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hostapd_prepare_device_config "$hostapd_conf_file" nl80211
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cat >> "$hostapd_conf_file" <<EOF
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${channel:+channel=$channel}
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${noscan:+noscan=$noscan}
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$base_cfg
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EOF
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json_select ..
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}
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mac80211_hostapd_setup_bss() {
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local phy="$1"
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local ifname="$2"
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local macaddr="$3"
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local type="$4"
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hostapd_cfg=
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append hostapd_cfg "$type=$ifname" "$N"
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hostapd_set_bss_options hostapd_cfg "$vif" || return 1
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json_get_vars wds dtim_period max_listen_int
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set_default wds 0
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[ "$wds" -gt 0 ] && append hostapd_cfg "wds_sta=1" "$N"
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[ "$staidx" -gt 0 ] && append hostapd_cfg "start_disabled=1" "$N"
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cat >> /var/run/hostapd-$phy.conf <<EOF
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$hostapd_cfg
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bssid=$macaddr
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${dtim_period:+dtim_period=$dtim_period}
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${max_listen_int:+max_listen_interval=$max_listen_int}
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EOF
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}
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mac80211_generate_mac() {
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local phy="$1"
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local id="${macidx:-0}"
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local ref="$(cat /sys/class/ieee80211/${phy}/macaddress)"
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local mask="$(cat /sys/class/ieee80211/${phy}/address_mask)"
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[ "$mask" = "00:00:00:00:00:00" ] && mask="ff:ff:ff:ff:ff:ff";
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local oIFS="$IFS"; IFS=":"; set -- $mask; IFS="$oIFS"
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local mask1=$1
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local mask6=$6
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local oIFS="$IFS"; IFS=":"; set -- $ref; IFS="$oIFS"
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macidx=$(($id + 1))
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[ "$((0x$mask1))" -gt 0 ] && {
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b1="0x$1"
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[ "$id" -gt 0 ] && \
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b1=$(($b1 ^ ((($id - 1) << 2) | 0x2)))
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printf "%02x:%s:%s:%s:%s:%s" $b1 $2 $3 $4 $5 $6
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return
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}
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[ "$((0x$mask6))" -lt 255 ] && {
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printf "%s:%s:%s:%s:%s:%02x" $1 $2 $3 $4 $5 $(( 0x$6 ^ $id ))
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return
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}
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off2=$(( (0x$6 + $id) / 0x100 ))
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printf "%s:%s:%s:%s:%02x:%02x" \
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$1 $2 $3 $4 \
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$(( (0x$5 + $off2) % 0x100 )) \
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$(( (0x$6 + $id) % 0x100 ))
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}
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find_phy() {
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[ -n "$phy" -a -d /sys/class/ieee80211/$phy ] && return 0
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[ -n "$path" -a -d "/sys/devices/$path/ieee80211" ] && {
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phy="$(ls /sys/devices/$path/ieee80211 | grep -m 1 phy)"
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[ -n "$phy" ] && return 0
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}
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[ -n "$macaddr" ] && {
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for phy in $(ls /sys/class/ieee80211 2>/dev/null); do
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grep -i -q "$macaddr" "/sys/class/ieee80211/${phy}/macaddress" && return 0
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done
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}
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return 1
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}
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mac80211_check_ap() {
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has_ap=1
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}
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mac80211_prepare_vif() {
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json_select config
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json_get_vars ifname mode ssid wds powersave macaddr
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[ -n "$ifname" ] || ifname="wlan${phy#phy}${if_idx:+-$if_idx}"
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if_idx=$((${if_idx:-0} + 1))
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set_default wds 0
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set_default powersave 0
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json_select ..
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[ -n "$macaddr" ] || {
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macaddr="$(mac80211_generate_mac $phy)"
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macidx="$(($macidx + 1))"
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}
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json_add_object data
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json_add_string ifname "$ifname"
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json_close_object
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json_select config
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# It is far easier to delete and create the desired interface
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case "$mode" in
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adhoc)
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iw phy "$phy" interface add "$ifname" type adhoc
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;;
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ap)
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# Hostapd will handle recreating the interface and
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# subsequent virtual APs belonging to the same PHY
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if [ -n "$hostapd_ctrl" ]; then
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type=bss
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else
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type=interface
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fi
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mac80211_hostapd_setup_bss "$phy" "$ifname" "$macaddr" "$type" || return
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[ -n "$hostapd_ctrl" ] || {
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iw phy "$phy" interface add "$ifname" type managed
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hostapd_ctrl="${hostapd_ctrl:-/var/run/hostapd/$ifname}"
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}
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;;
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mesh)
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json_get_vars key mesh_id
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if [ -n "$key" ]; then
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iw phy "$phy" interface add "$ifname" type mp
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else
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iw phy "$phy" interface add "$ifname" type mp mesh_id "$mesh_id"
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fi
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;;
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monitor)
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iw phy "$phy" interface add "$ifname" type monitor
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;;
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sta)
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local wdsflag=
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staidx="$(($staidx + 1))"
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[ "$wds" -gt 0 ] && wdsflag="4addr on"
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iw phy "$phy" interface add "$ifname" type managed $wdsflag
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[ "$powersave" -gt 0 ] && powersave="on" || powersave="off"
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iw "$ifname" set power_save "$powersave"
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;;
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esac
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case "$mode" in
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monitor|mesh)
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[ "$auto_channel" -gt 0 ] || iw dev "$ifname" set channel "$channel" $htmode
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;;
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esac
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if [ "$mode" != "ap" ]; then
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# ALL ap functionality will be passed to hostapd
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# All interfaces must have unique mac addresses
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# which can either be explicitly set in the device
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# section, or automatically generated
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ifconfig "$ifname" hw ether "$macaddr"
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fi
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json_select ..
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}
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mac80211_setup_supplicant() {
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wpa_supplicant_prepare_interface "$ifname" nl80211 || return 1
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wpa_supplicant_add_network "$ifname"
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wpa_supplicant_run "$ifname" ${hostapd_ctrl:+-H $hostapd_ctrl}
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}
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mac80211_setup_adhoc() {
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json_get_vars bssid ssid key mcast_rate
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keyspec=
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[ "$auth_type" == "wep" ] && {
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set_default key 1
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case "$key" in
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[1234])
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local idx
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for idx in 1 2 3 4; do
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json_get_var ikey "key$idx"
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[ -n "$ikey" ] && {
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ikey="$(($idx - 1)):$(prepare_key_wep "$ikey")"
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[ $idx -eq $key ] && ikey="d:$ikey"
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append keyspec "$ikey"
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}
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done
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;;
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*)
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append keyspec "d:0:$(prepare_key_wep "$key")"
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;;
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esac
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}
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brstr=
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for br in $basic_rate_list; do
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hostapd_add_rate brstr "$br"
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done
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mcval=
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[ -n "$mcast_rate" ] && hostapd_add_rate mcval "$mcast_rate"
|
|
|
|
iw dev "$ifname" ibss join "$ssid" $freq $htmode fixed-freq $bssid \
|
|
${beacon_int:+beacon-interval $beacon_int} \
|
|
${brstr:+basic-rates $brstr} \
|
|
${mcval:+mcast-rate $mcval} \
|
|
${keyspec:+keys $keyspec}
|
|
}
|
|
|
|
mac80211_setup_vif() {
|
|
local name="$1"
|
|
local failed
|
|
|
|
json_select data
|
|
json_get_vars ifname
|
|
json_select ..
|
|
|
|
json_select config
|
|
json_get_vars mode
|
|
json_get_var vif_txpower txpower
|
|
|
|
ifconfig "$ifname" up || {
|
|
wireless_setup_vif_failed IFUP_ERROR
|
|
json_select ..
|
|
return
|
|
}
|
|
|
|
set_default vif_txpower "$txpower"
|
|
[ -z "$vif_txpower" ] || iw dev "$ifname" set txpower fixed "${vif_txpower%%.*}00"
|
|
|
|
case "$mode" in
|
|
mesh)
|
|
for var in $MP_CONFIG_INT $MP_CONFIG_BOOL $MP_CONFIG_STRING; do
|
|
json_get_var mp_val "$var"
|
|
[ -n "$mp_val" ] && iw dev "$ifname" set mesh_param "$var" "$mp_val"
|
|
done
|
|
|
|
# authsae
|
|
json_get_vars key
|
|
if [ -n "$key" ]; then
|
|
if [ -e "/lib/wifi/authsae.sh" ]; then
|
|
. /lib/wifi/authsae.sh
|
|
authsae_start_interface || failed=1
|
|
else
|
|
wireless_setup_vif_failed AUTHSAE_NOT_INSTALLED
|
|
json_select ..
|
|
return
|
|
fi
|
|
fi
|
|
;;
|
|
adhoc)
|
|
wireless_vif_parse_encryption
|
|
if [ "$wpa" -gt 0 -o "$auto_channel" -gt 0 ]; then
|
|
mac80211_setup_supplicant || failed=1
|
|
else
|
|
mac80211_setup_adhoc
|
|
fi
|
|
;;
|
|
sta)
|
|
mac80211_setup_supplicant || failed=1
|
|
;;
|
|
esac
|
|
|
|
json_select ..
|
|
[ -n "$failed" ] || wireless_add_vif "$name" "$ifname"
|
|
}
|
|
|
|
get_freq() {
|
|
local phy="$1"
|
|
local chan="$2"
|
|
iw "$phy" info | grep -E -m1 "(\* ${chan:-....} MHz${chan:+|\\[$chan\\]})" | grep MHz | awk '{print $2}'
|
|
}
|
|
|
|
mac80211_interface_cleanup() {
|
|
local phy="$1"
|
|
|
|
for wdev in $(list_phy_interfaces "$phy"); do
|
|
ifconfig "$wdev" down 2>/dev/null
|
|
iw dev "$wdev" del
|
|
done
|
|
}
|
|
|
|
drv_mac80211_cleanup() {
|
|
hostapd_common_cleanup
|
|
}
|
|
|
|
drv_mac80211_setup() {
|
|
json_select config
|
|
json_get_vars \
|
|
phy macaddr path \
|
|
country chanbw distance \
|
|
txpower antenna_gain \
|
|
rxantenna txantenna \
|
|
frag rts beacon_int
|
|
json_get_values basic_rate_list basic_rate
|
|
json_select ..
|
|
|
|
find_phy || {
|
|
echo "Could not find PHY for device '$1'"
|
|
wireless_set_retry 0
|
|
return 1
|
|
}
|
|
|
|
wireless_set_data phy="$phy"
|
|
mac80211_interface_cleanup "$phy"
|
|
|
|
# convert channel to frequency
|
|
[ "$auto_channel" -gt 0 ] || freq="$(get_freq "$phy" "$channel")"
|
|
|
|
[ -n "$country" ] && {
|
|
iw reg get | grep -q "^country $country:" || {
|
|
iw reg set "$country"
|
|
sleep 1
|
|
}
|
|
}
|
|
|
|
hostapd_conf_file="/var/run/hostapd-$phy.conf"
|
|
|
|
no_ap=1
|
|
macidx=0
|
|
staidx=0
|
|
|
|
[ -n "$chanbw" ] && {
|
|
for file in /sys/kernel/debug/ieee80211/$phy/ath9k/chanbw /sys/kernel/debug/ieee80211/$phy/ath5k/bwmode; do
|
|
[ -f "$file" ] && echo "$chanbw" > "$file"
|
|
done
|
|
}
|
|
|
|
set_default rxantenna all
|
|
set_default txantenna all
|
|
set_default distance 0
|
|
set_default antenna_gain 0
|
|
|
|
iw phy "$phy" set antenna $txantenna $rxantenna >/dev/null 2>&1
|
|
iw phy "$phy" set antenna_gain $antenna_gain
|
|
iw phy "$phy" set distance "$distance"
|
|
|
|
[ -n "$frag" ] && iw phy "$phy" set frag "${frag%%.*}"
|
|
[ -n "$rts" ] && iw phy "$phy" set rts "${rts%%.*}"
|
|
|
|
has_ap=
|
|
hostapd_ctrl=
|
|
for_each_interface "ap" mac80211_check_ap
|
|
|
|
rm -f "$hostapd_conf_file"
|
|
[ -n "$has_ap" ] && mac80211_hostapd_setup_base "$phy"
|
|
|
|
for_each_interface "sta adhoc mesh monitor" mac80211_prepare_vif
|
|
for_each_interface "ap" mac80211_prepare_vif
|
|
|
|
[ -n "$hostapd_ctrl" ] && {
|
|
/usr/sbin/hostapd -P /var/run/wifi-$phy.pid -B "$hostapd_conf_file"
|
|
ret="$?"
|
|
wireless_add_process "$(cat /var/run/wifi-$phy.pid)" "/usr/sbin/hostapd" 1
|
|
[ "$ret" != 0 ] && {
|
|
wireless_setup_failed HOSTAPD_START_FAILED
|
|
return
|
|
}
|
|
}
|
|
|
|
for_each_interface "ap sta adhoc mesh monitor" mac80211_setup_vif
|
|
|
|
wireless_set_up
|
|
}
|
|
|
|
list_phy_interfaces() {
|
|
local phy="$1"
|
|
if [ -d "/sys/class/ieee80211/${phy}/device/net" ]; then
|
|
ls "/sys/class/ieee80211/${phy}/device/net" 2>/dev/null;
|
|
else
|
|
ls "/sys/class/ieee80211/${phy}/device" 2>/dev/null | grep net: | sed -e 's,net:,,g'
|
|
fi
|
|
}
|
|
|
|
drv_mac80211_teardown() {
|
|
wireless_process_kill_all
|
|
|
|
json_select data
|
|
json_get_vars phy
|
|
json_select ..
|
|
|
|
mac80211_interface_cleanup "$phy"
|
|
}
|
|
|
|
add_driver mac80211
|