mirror of
				git://git.openwrt.org/openwrt/openwrt.git
				synced 2025-11-03 22:44:27 -05:00 
			
		
		
		
	Currently it's close to impossible to tell what part of mac80211 setup went wrong. Errors logged into system log look like this: radio0 (6155): command failed: No error information (-524) radio0 (6155): command failed: Not supported (-95) radio0 (6155): command failed: I/O error (-5) radio0 (6155): command failed: Too many open files in system (-23) With this commit change it's getting clear: command failed: No error information (-524) Failed command: iw dev wlan0 del command failed: Not supported (-95) Failed command: iw phy phy0 set antenna_gain 0 command failed: I/O error (-5) Failed command: iw phy phy0 set distance 0 command failed: Too many open files in system (-23) Failed command: iw phy phy0 interface add wlan0 type __ap Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
		
			
				
	
	
		
			841 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			Bash
		
	
	
	
	
	
			
		
		
	
	
			841 lines
		
	
	
		
			20 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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iw() {
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	command iw $@ || logger -t mac80211 "Failed command: iw $@"
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}
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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 ht_coex
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	config_add_array ht_capab
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	config_add_array channels
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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_a_mpdu_len_exp vht_max_mpdu vht_link_adapt vht160 rx_stbc tx_stbc
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	config_add_boolean \
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		ldpc \
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		greenfield \
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		short_gi_20 \
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		short_gi_40 \
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		max_amsdu \
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		dsss_cck_40
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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_period
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	config_add_int start_disabled
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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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	[ "$auto_channel" -gt 0 ] && json_get_values channel_list channels
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	json_get_vars noscan ht_coex
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	json_get_values ht_capab_list ht_capab
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	ieee80211n=1
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	ht_capab=
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	case "$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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		set_default ht_coex 0
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		append base_cfg "ht_coex=$ht_coex" "$N"
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		json_get_vars \
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			ldpc:1 \
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			greenfield:0 \
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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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			max_amsdu:1 \
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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::$short_gi_40 \
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			TX-STBC:0x80::$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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			MAX-AMSDU-7935:0x800::$max_amsdu \
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			DSSS_CCK-40:0x1000::$dsss_cck_40
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		ht_capab="$ht_capab$ht_capab_flags"
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		[ -n "$ht_capab" ] && append base_cfg "ht_capab=$ht_capab" "$N"
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	}
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	# 802.11ac
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	enable_ac=0
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	idx="$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) % 4 ))" 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_a_mpdu_len_exp:7 \
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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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		vht_cap="$(( ($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::$tx_stbc_2by1 \
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			SU-BEAMFORMER:0x800::$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::$tx_antenna_pattern \
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			RX-STBC-1:0x700:0x100:1 \
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			RX-STBC-12:0x700:0x200:1 \
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			RX-STBC-123:0x700:0x300:1 \
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			RX-STBC-1234:0x700:0x400:1 \
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		# supported Channel widths
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		vht160_hw=0
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		[ "$(($vht_cap & 12))" -eq 4 -a 1 -le "$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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		# maximum A-MPDU length exponent
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		vht_max_a_mpdu_len_exp_hw=0
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		[ "$(($vht_cap & 58720256))" -ge 8388608 -a 1 -le "$vht_max_a_mpdu_len_exp" ] && \
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			vht_max_a_mpdu_len_exp_hw=1
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		[ "$(($vht_cap & 58720256))" -ge 16777216 -a 2 -le "$vht_max_a_mpdu_len_exp" ] && \
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			vht_max_a_mpdu_len_exp_hw=2
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		[ "$(($vht_cap & 58720256))" -ge 25165824 -a 3 -le "$vht_max_a_mpdu_len_exp" ] && \
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			vht_max_a_mpdu_len_exp_hw=3
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		[ "$(($vht_cap & 58720256))" -ge 33554432 -a 4 -le "$vht_max_a_mpdu_len_exp" ] && \
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			vht_max_a_mpdu_len_exp_hw=4
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		[ "$(($vht_cap & 58720256))" -ge 41943040 -a 5 -le "$vht_max_a_mpdu_len_exp" ] && \
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			vht_max_a_mpdu_len_exp_hw=5
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		[ "$(($vht_cap & 58720256))" -ge 50331648 -a 6 -le "$vht_max_a_mpdu_len_exp" ] && \
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			vht_max_a_mpdu_len_exp_hw=6
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		[ "$(($vht_cap & 58720256))" -ge 58720256 -a 7 -le "$vht_max_a_mpdu_len_exp" ] && \
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			vht_max_a_mpdu_len_exp_hw=7
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		vht_capab="$vht_capab[MAX-A-MPDU-LEN-EXP$vht_max_a_mpdu_len_exp_hw]"
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		# whether or not the STA supports link adaptation using VHT variant
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		vht_link_adapt_hw=0
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		[ "$(($vht_cap & 201326592))" -ge 134217728 -a 2 -le "$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" "$N"
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	fi
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	hostapd_prepare_device_config "$hostapd_conf_file" nl80211
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	cat >> "$hostapd_conf_file" <<EOF
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${channel:+channel=$channel}
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${channel_list:+chanlist=$channel_list}
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${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 "$vif" || return 1
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	json_get_vars wds dtim_period max_listen_int start_disabled
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	set_default wds 0
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	set_default start_disabled 0
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	[ "$wds" -gt 0 ] && append hostapd_cfg "wds_sta=1" "$N"
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	[ "$staidx" -gt 0 -o "$start_disabled" -eq 1 ] && append hostapd_cfg "start_disabled=1" "$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_get_addr() {
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	local phy="$1"
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	local idx="$(($2 + 1))"
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	head -n $(($macidx + 1)) /sys/class/ieee80211/${phy}/addresses | tail -n1
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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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 | 
						|
	[ "$mask" = "00:00:00:00:00:00" ] && {
 | 
						|
		mask="ff:ff:ff:ff:ff:ff";
 | 
						|
 | 
						|
		[ "$(wc -l < /sys/class/ieee80211/${phy}/addresses)" -gt 1 ] && {
 | 
						|
			addr="$(mac80211_get_addr "$phy" "$id")"
 | 
						|
			[ -n "$addr" ] && {
 | 
						|
				echo "$addr"
 | 
						|
				return
 | 
						|
			}
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	local oIFS="$IFS"; IFS=":"; set -- $mask; IFS="$oIFS"
 | 
						|
 | 
						|
	local mask1=$1
 | 
						|
	local mask6=$6
 | 
						|
 | 
						|
	local oIFS="$IFS"; IFS=":"; set -- $ref; IFS="$oIFS"
 | 
						|
 | 
						|
	macidx=$(($id + 1))
 | 
						|
	[ "$((0x$mask1))" -gt 0 ] && {
 | 
						|
		b1="0x$1"
 | 
						|
		[ "$id" -gt 0 ] && \
 | 
						|
			b1=$(($b1 ^ ((($id - 1) << 2) | 0x2)))
 | 
						|
		printf "%02x:%s:%s:%s:%s:%s" $b1 $2 $3 $4 $5 $6
 | 
						|
		return
 | 
						|
	}
 | 
						|
 | 
						|
	[ "$((0x$mask6))" -lt 255 ] && {
 | 
						|
		printf "%s:%s:%s:%s:%s:%02x" $1 $2 $3 $4 $5 $(( 0x$6 ^ $id ))
 | 
						|
		return
 | 
						|
	}
 | 
						|
 | 
						|
	off2=$(( (0x$6 + $id) / 0x100 ))
 | 
						|
	printf "%s:%s:%s:%s:%02x:%02x" \
 | 
						|
		$1 $2 $3 $4 \
 | 
						|
		$(( (0x$5 + $off2) % 0x100 )) \
 | 
						|
		$(( (0x$6 + $id) % 0x100 ))
 | 
						|
}
 | 
						|
 | 
						|
find_phy() {
 | 
						|
	[ -n "$phy" -a -d /sys/class/ieee80211/$phy ] && return 0
 | 
						|
	[ -n "$path" ] && {
 | 
						|
		for phy in $(ls /sys/class/ieee80211 2>/dev/null); do
 | 
						|
			case "$(readlink -f /sys/class/ieee80211/$phy/device)" in
 | 
						|
				*$path) return 0;;
 | 
						|
			esac
 | 
						|
		done
 | 
						|
	}
 | 
						|
	[ -n "$macaddr" ] && {
 | 
						|
		for phy in $(ls /sys/class/ieee80211 2>/dev/null); do
 | 
						|
			grep -i -q "$macaddr" "/sys/class/ieee80211/${phy}/macaddress" && return 0
 | 
						|
		done
 | 
						|
	}
 | 
						|
	return 1
 | 
						|
}
 | 
						|
 | 
						|
mac80211_check_ap() {
 | 
						|
	has_ap=1
 | 
						|
}
 | 
						|
 | 
						|
mac80211_iw_interface_add() {
 | 
						|
	local phy="$1"
 | 
						|
	local ifname="$2"
 | 
						|
	local type="$3"
 | 
						|
	local wdsflag="$4"
 | 
						|
	local rc
 | 
						|
 | 
						|
	iw phy "$phy" interface add "$ifname" type "$type" $wdsflag
 | 
						|
	rc="$?"
 | 
						|
 | 
						|
	[ "$rc" = 233 ] && {
 | 
						|
		# Device might have just been deleted, give the kernel some time to finish cleaning it up
 | 
						|
		sleep 1
 | 
						|
 | 
						|
		iw phy "$phy" interface add "$ifname" type "$type" $wdsflag
 | 
						|
		rc="$?"
 | 
						|
	}
 | 
						|
 | 
						|
	[ "$rc" = 233 ] && {
 | 
						|
		# Device might not support virtual interfaces, so the interface never got deleted in the first place.
 | 
						|
		# Check if the interface already exists, and avoid failing in this case.
 | 
						|
		ip link show dev "$ifname" >/dev/null 2>/dev/null && rc=0
 | 
						|
	}
 | 
						|
 | 
						|
	[ "$rc" != 0 ] && wireless_setup_failed INTERFACE_CREATION_FAILED
 | 
						|
	return $rc
 | 
						|
}
 | 
						|
 | 
						|
mac80211_prepare_vif() {
 | 
						|
	json_select config
 | 
						|
 | 
						|
	json_get_vars ifname mode ssid wds powersave macaddr
 | 
						|
 | 
						|
	[ -n "$ifname" ] || ifname="wlan${phy#phy}${if_idx:+-$if_idx}"
 | 
						|
	if_idx=$((${if_idx:-0} + 1))
 | 
						|
 | 
						|
	set_default wds 0
 | 
						|
	set_default powersave 0
 | 
						|
 | 
						|
	json_select ..
 | 
						|
 | 
						|
	[ -n "$macaddr" ] || {
 | 
						|
		macaddr="$(mac80211_generate_mac $phy)"
 | 
						|
		macidx="$(($macidx + 1))"
 | 
						|
	}
 | 
						|
 | 
						|
	json_add_object data
 | 
						|
	json_add_string ifname "$ifname"
 | 
						|
	json_close_object
 | 
						|
	json_select config
 | 
						|
 | 
						|
	# It is far easier to delete and create the desired interface
 | 
						|
	case "$mode" in
 | 
						|
		adhoc)
 | 
						|
			mac80211_iw_interface_add "$phy" "$ifname" adhoc || return
 | 
						|
		;;
 | 
						|
		ap)
 | 
						|
			# Hostapd will handle recreating the interface and
 | 
						|
			# subsequent virtual APs belonging to the same PHY
 | 
						|
			if [ -n "$hostapd_ctrl" ]; then
 | 
						|
				type=bss
 | 
						|
			else
 | 
						|
				type=interface
 | 
						|
			fi
 | 
						|
 | 
						|
			mac80211_hostapd_setup_bss "$phy" "$ifname" "$macaddr" "$type" || return
 | 
						|
 | 
						|
			[ -n "$hostapd_ctrl" ] || {
 | 
						|
				mac80211_iw_interface_add "$phy" "$ifname" __ap || return
 | 
						|
				hostapd_ctrl="${hostapd_ctrl:-/var/run/hostapd/$ifname}"
 | 
						|
			}
 | 
						|
		;;
 | 
						|
		mesh)
 | 
						|
			mac80211_iw_interface_add "$phy" "$ifname" mp || return
 | 
						|
		;;
 | 
						|
		monitor)
 | 
						|
			mac80211_iw_interface_add "$phy" "$ifname" monitor || return
 | 
						|
		;;
 | 
						|
		sta)
 | 
						|
			local wdsflag=
 | 
						|
			staidx="$(($staidx + 1))"
 | 
						|
			[ "$wds" -gt 0 ] && wdsflag="4addr on"
 | 
						|
			mac80211_iw_interface_add "$phy" "$ifname" managed "$wdsflag" || return
 | 
						|
			[ "$powersave" -gt 0 ] && powersave="on" || powersave="off"
 | 
						|
			iw "$ifname" set power_save "$powersave"
 | 
						|
		;;
 | 
						|
	esac
 | 
						|
 | 
						|
	case "$mode" in
 | 
						|
		monitor|mesh)
 | 
						|
			[ "$auto_channel" -gt 0 ] || iw dev "$ifname" set channel "$channel" $htmode
 | 
						|
		;;
 | 
						|
	esac
 | 
						|
 | 
						|
	if [ "$mode" != "ap" ]; then
 | 
						|
		# ALL ap functionality will be passed to hostapd
 | 
						|
		# All interfaces must have unique mac addresses
 | 
						|
		# which can either be explicitly set in the device
 | 
						|
		# section, or automatically generated
 | 
						|
		ip link set dev "$ifname" address "$macaddr"
 | 
						|
	fi
 | 
						|
 | 
						|
	json_select ..
 | 
						|
}
 | 
						|
 | 
						|
mac80211_setup_supplicant() {
 | 
						|
	wpa_supplicant_prepare_interface "$ifname" nl80211 || return 1
 | 
						|
	if [ "$mode" = "sta" ]; then
 | 
						|
		wpa_supplicant_add_network "$ifname"
 | 
						|
	else
 | 
						|
		wpa_supplicant_add_network "$ifname" "$freq" "$htmode" "$noscan"
 | 
						|
	fi
 | 
						|
	wpa_supplicant_run "$ifname" ${hostapd_ctrl:+-H $hostapd_ctrl}
 | 
						|
}
 | 
						|
 | 
						|
mac80211_setup_supplicant_noctl() {
 | 
						|
	wpa_supplicant_prepare_interface "$ifname" nl80211 || return 1
 | 
						|
	wpa_supplicant_add_network "$ifname" "$freq" "$htmode" "$noscan"
 | 
						|
	wpa_supplicant_run "$ifname"
 | 
						|
}
 | 
						|
 | 
						|
mac80211_setup_adhoc_htmode() {
 | 
						|
	case "$htmode" in
 | 
						|
		VHT20|HT20) ibss_htmode=HT20;;
 | 
						|
		HT40*|VHT40|VHT160)
 | 
						|
			case "$hwmode" in
 | 
						|
				a)
 | 
						|
					case "$(( ($channel / 4) % 2 ))" in
 | 
						|
						1) ibss_htmode="HT40+" ;;
 | 
						|
						0) ibss_htmode="HT40-";;
 | 
						|
					esac
 | 
						|
				;;
 | 
						|
				*)
 | 
						|
					case "$htmode" in
 | 
						|
						HT40+) ibss_htmode="HT40+";;
 | 
						|
						HT40-) ibss_htmode="HT40-";;
 | 
						|
						*)
 | 
						|
							if [ "$channel" -lt 7 ]; then
 | 
						|
								ibss_htmode="HT40+"
 | 
						|
							else
 | 
						|
								ibss_htmode="HT40-"
 | 
						|
							fi
 | 
						|
						;;
 | 
						|
					esac
 | 
						|
				;;
 | 
						|
			esac
 | 
						|
			[ "$auto_channel" -gt 0 ] && ibss_htmode="HT40+"
 | 
						|
		;;
 | 
						|
		VHT80)
 | 
						|
			ibss_htmode="80MHZ"
 | 
						|
		;;
 | 
						|
		NONE|NOHT)
 | 
						|
			ibss_htmode="NOHT"
 | 
						|
		;;
 | 
						|
		*) ibss_htmode="" ;;
 | 
						|
	esac
 | 
						|
 | 
						|
}
 | 
						|
 | 
						|
mac80211_setup_adhoc() {
 | 
						|
	json_get_vars bssid ssid key mcast_rate
 | 
						|
 | 
						|
	keyspec=
 | 
						|
	[ "$auth_type" = "wep" ] && {
 | 
						|
		set_default key 1
 | 
						|
		case "$key" in
 | 
						|
			[1234])
 | 
						|
				local idx
 | 
						|
				for idx in 1 2 3 4; do
 | 
						|
					json_get_var ikey "key$idx"
 | 
						|
 | 
						|
					[ -n "$ikey" ] && {
 | 
						|
						ikey="$(($idx - 1)):$(prepare_key_wep "$ikey")"
 | 
						|
						[ $idx -eq $key ] && ikey="d:$ikey"
 | 
						|
						append keyspec "$ikey"
 | 
						|
					}
 | 
						|
				done
 | 
						|
			;;
 | 
						|
			*)
 | 
						|
				append keyspec "d:0:$(prepare_key_wep "$key")"
 | 
						|
			;;
 | 
						|
		esac
 | 
						|
	}
 | 
						|
 | 
						|
	brstr=
 | 
						|
	for br in $basic_rate_list; do
 | 
						|
		wpa_supplicant_add_rate brstr "$br"
 | 
						|
	done
 | 
						|
 | 
						|
	mcval=
 | 
						|
	[ -n "$mcast_rate" ] && wpa_supplicant_add_rate mcval "$mcast_rate"
 | 
						|
 | 
						|
	iw dev "$ifname" ibss join "$ssid" $freq $ibss_htmode fixed-freq $bssid \
 | 
						|
		beacon-interval $beacon_int \
 | 
						|
		${brstr:+basic-rates $brstr} \
 | 
						|
		${mcval:+mcast-rate $mcval} \
 | 
						|
		${keyspec:+keys $keyspec}
 | 
						|
}
 | 
						|
 | 
						|
mac80211_setup_mesh() {
 | 
						|
	json_get_vars ssid mesh_id mcast_rate
 | 
						|
 | 
						|
	mcval=
 | 
						|
	[ -n "$mcast_rate" ] && wpa_supplicant_add_rate mcval "$mcast_rate"
 | 
						|
	[ -n "$mesh_id" ] && ssid="$mesh_id"
 | 
						|
 | 
						|
	case "$htmode" in
 | 
						|
		VHT20|HT20) mesh_htmode=HT20;;
 | 
						|
		HT40*|VHT40)
 | 
						|
			case "$hwmode" in
 | 
						|
				a)
 | 
						|
					case "$(( ($channel / 4) % 2 ))" in
 | 
						|
						1) mesh_htmode="HT40+" ;;
 | 
						|
						0) mesh_htmode="HT40-";;
 | 
						|
					esac
 | 
						|
				;;
 | 
						|
				*)
 | 
						|
					case "$htmode" in
 | 
						|
						HT40+) mesh_htmode="HT40+";;
 | 
						|
						HT40-) mesh_htmode="HT40-";;
 | 
						|
						*)
 | 
						|
							if [ "$channel" -lt 7 ]; then
 | 
						|
								mesh_htmode="HT40+"
 | 
						|
							else
 | 
						|
								mesh_htmode="HT40-"
 | 
						|
							fi
 | 
						|
						;;
 | 
						|
					esac
 | 
						|
				;;
 | 
						|
			esac
 | 
						|
		;;
 | 
						|
		VHT80)
 | 
						|
			mesh_htmode="80Mhz"
 | 
						|
		;;
 | 
						|
		VHT160)
 | 
						|
			mesh_htmode="160Mhz"
 | 
						|
		;;
 | 
						|
		*) mesh_htmode="NOHT" ;;
 | 
						|
	esac
 | 
						|
	iw dev "$ifname" mesh join "$ssid" freq $freq $mesh_htmode \
 | 
						|
		${mcval:+mcast-rate $mcval} \
 | 
						|
		beacon-interval $beacon_int
 | 
						|
}
 | 
						|
 | 
						|
mac80211_setup_vif() {
 | 
						|
	local name="$1"
 | 
						|
	local failed
 | 
						|
 | 
						|
	json_select data
 | 
						|
	json_get_vars ifname
 | 
						|
	json_select ..
 | 
						|
 | 
						|
	json_select config
 | 
						|
	json_get_vars mode
 | 
						|
	json_get_var vif_txpower txpower
 | 
						|
 | 
						|
	ip link set dev "$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 "$mode" in
 | 
						|
		mesh)
 | 
						|
			wireless_vif_parse_encryption
 | 
						|
			freq="$(get_freq "$phy" "$channel")"
 | 
						|
			if [ "$wpa" -gt 0 -o "$auto_channel" -gt 0 ] || chan_is_dfs "$phy" "$channel"; then
 | 
						|
				mac80211_setup_supplicant || failed=1
 | 
						|
			else
 | 
						|
				mac80211_setup_mesh
 | 
						|
			fi
 | 
						|
			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
 | 
						|
		;;
 | 
						|
		adhoc)
 | 
						|
			wireless_vif_parse_encryption
 | 
						|
			mac80211_setup_adhoc_htmode
 | 
						|
			if [ "$wpa" -gt 0 -o "$auto_channel" -gt 0 ]; then
 | 
						|
				freq="$(get_freq "$phy" "$channel")"
 | 
						|
				mac80211_setup_supplicant_noctl || failed=1
 | 
						|
			else
 | 
						|
				mac80211_setup_adhoc
 | 
						|
			fi
 | 
						|
		;;
 | 
						|
		sta)
 | 
						|
			mac80211_setup_supplicant || failed=1
 | 
						|
		;;
 | 
						|
	esac
 | 
						|
 | 
						|
	json_select ..
 | 
						|
	[ -n "$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}'
 | 
						|
}
 | 
						|
 | 
						|
chan_is_dfs() {
 | 
						|
	local phy="$1"
 | 
						|
	local chan="$2"
 | 
						|
	iw "$phy" info | grep -E -m1 "(\* ${chan:-....} MHz${chan:+|\\[$chan\\]})" | grep -q "MHz.*radar detection"
 | 
						|
	return $!
 | 
						|
}
 | 
						|
 | 
						|
mac80211_interface_cleanup() {
 | 
						|
	local phy="$1"
 | 
						|
 | 
						|
	for wdev in $(list_phy_interfaces "$phy"); do
 | 
						|
		ip link set dev "$wdev" down 2>/dev/null
 | 
						|
		iw dev "$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:100 htmode
 | 
						|
	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 "$hostapd_ctrl" ] && {
 | 
						|
		/usr/sbin/hostapd -s -P /var/run/wifi-$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
 |