2 .
/lib
/netifd
/netifd-wireless.sh
3 .
/lib
/netifd
/hostapd.sh
5 init_wireless_driver
"$@"
7 MP_CONFIG_INT
="mesh_retry_timeout mesh_confirm_timeout mesh_holding_timeout mesh_max_peer_links
8 mesh_max_retries mesh_ttl mesh_element_ttl mesh_hwmp_max_preq_retries
9 mesh_path_refresh_time mesh_min_discovery_timeout mesh_hwmp_active_path_timeout
10 mesh_hwmp_preq_min_interval mesh_hwmp_net_diameter_traversal_time mesh_hwmp_rootmode
11 mesh_hwmp_rann_interval mesh_gate_announcements mesh_sync_offset_max_neighor
12 mesh_rssi_threshold mesh_hwmp_active_path_to_root_timeout mesh_hwmp_root_interval
13 mesh_hwmp_confirmation_interval mesh_awake_window mesh_plink_timeout"
14 MP_CONFIG_BOOL
="mesh_auto_open_plinks mesh_fwding"
15 MP_CONFIG_STRING
="mesh_power_mode"
17 drv_mac80211_init_device_config
() {
18 hostapd_common_add_device_config
20 config_add_string path phy
'macaddr:macaddr'
21 config_add_string hwmode
22 config_add_int beacon_int chanbw frag rts
23 config_add_int rxantenna txantenna antenna_gain txpower distance
24 config_add_boolean noscan
25 config_add_array ht_capab
39 config_add_int vht_max_mpdu vht_max_rx_stbc vht_link_adapt vht160
42 drv_mac80211_init_iface_config
() {
43 hostapd_common_add_bss_config
45 config_add_string
'macaddr:macaddr' ifname
47 config_add_boolean wds powersave
48 config_add_int maxassoc
49 config_add_int max_listen_int
50 config_add_int dtim_interval
53 config_add_string mesh_id
54 config_add_int
$MP_CONFIG_INT
55 config_add_boolean
$MP_CONFIG_BOOL
56 config_add_string
$MP_CONFIG_STRING
59 mac80211_add_capabilities
() {
60 local __var
="$1"; shift
61 local __mask
="$1"; shift
69 [ "$(($4))" -gt 0 ] ||
continue
70 [ "$(($__mask & $2))" -eq "$((${3:-$2}))" ] ||
continue
75 export -n -- "$__var=$__out"
78 mac80211_hostapd_setup_base
() {
83 [ "$auto_channel" -gt 0 ] && channel
=acs_survey
85 [ "$enable_ht" -gt 0 ] && {
86 json_get_vars noscan htmode
87 json_get_values ht_capab_list ht_capab
93 HT40
*|VHT40|VHT80|VHT160
)
94 case "$(( ($channel / 4) % 2 ))" in
95 1) ht_capab
="[HT40+]";;
96 0) ht_capab
="[HT40-]";;
102 [ -n "$ieee80211n" ] && {
103 append base_cfg
"ieee80211n=1" "$N"
115 for cap
in $
(iw phy
"$phy" info |
grep 'Capabilities:' | cut
-d: -f2); do
116 ht_cap_mask
="$(($ht_cap_mask | $cap))"
119 cap_rx_stbc
=$
((($ht_cap_mask >> 8) & 3))
120 [ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc
="$rx_stbc"
121 ht_cap_mask
="$(( ($ht_cap_mask & ~(0x300)) | ($cap_rx_stbc << 8) ))"
123 mac80211_add_capabilities ht_capab_flags
$ht_cap_mask \
125 GF
:0x10::$greenfield \
126 SHORT-GI-20
:0x20::$short_gi_20 \
127 SHORT-GI-40
:0x40::$short_gi_40 \
128 TX-STBC
:0x80::$max_tx_stbc \
129 RX-STBC1
:0x300:0x100:1 \
130 RX-STBC12
:0x300:0x200:1 \
131 RX-STBC123
:0x300:0x300:1 \
132 DSSS_CCK-40
:0x1000::$dsss_cck_40
134 [ -n "$ht_capab" ] && append base_cfg
"ht_capab=$ht_capab$ht_capab_flags" "$N"
142 case "$(( ($channel / 4) % 2 ))" in
143 1) idx
=$
(($channel + 2));;
144 0) idx
=$
(($channel - 2));;
147 append base_cfg
"vht_oper_chwidth=0" "$N"
148 append base_cfg
"vht_oper_centr_freq_seg0_idx=$idx" "$N"
151 case "$(( ($channel / 4) % 2 ))" in
152 1) idx
=$
(($channel + 6));;
153 2) idx
=$
(($channel + 2));;
154 3) idx
=$
(($channel - 2));;
155 0) idx
=$
(($channel - 6));;
158 append base_cfg
"vht_oper_chwidth=1" "$N"
159 append base_cfg
"vht_oper_centr_freq_seg0_idx=$idx" "$N"
163 36|
40|
44|
48|
52|
56|
60|
64) idx
=50;;
164 100|
104|
108|
112|
116|
120|
124|
128) idx
=114;;
167 append base_cfg
"vht_oper_chwidth=2" "$N"
168 append base_cfg
"vht_oper_centr_freq_seg0_idx=$idx" "$N"
172 if [ "$enable_ac" != "0" ]; then
184 rx_antenna_pattern
:1 \
185 tx_antenna_pattern
:1 \
191 append base_cfg
"ieee80211ac=1" "$N"
194 for cap
in $
(iw phy
"$phy" info |
awk -F "[()]" '/VHT Capabilities/ { print $2 }'); do
195 vht_cap
="$(($vht_cap | $cap))"
199 [ "$((($vht_cap & 16) * $rxldpc))" -eq 16 ] && \
200 vht_capab
="$vht_capab[RXLDPC]"
201 [ "$((($vht_cap & 32) * $short_gi_80))" -eq 32 ] && \
202 vht_capab
="$vht_capab[SHORT-GI-80]"
203 [ "$((($vht_cap & 64) * $short_gi_160))" -eq 64 ] && \
204 vht_capab
="$vht_capab[SHORT-GI-160]"
205 [ "$((($vht_cap & 128) * $tx_stbc_2by1))" -eq 128 ] && \
206 vht_capab
="$vht_capab[TX-STBC-2BY1]"
207 [ "$((($vht_cap & 2048) * $su_beamformer))" -eq 2048 ] && \
208 vht_capab
="$vht_capab[SU-BEAMFORMER]"
209 [ "$((($vht_cap & 4096) * $su_beamformee))" -eq 4096 ] && \
210 vht_capab
="$vht_capab[SU-BEAMFORMEE]"
211 [ "$((($vht_cap & 524288) * $mu_beamformer))" -eq 524288 ] && \
212 vht_capab
="$vht_capab[MU-BEAMFORMER]"
213 [ "$((($vht_cap & 1048576) * $mu_beamformee))" -eq 1048576 ] && \
214 vht_capab
="$vht_capab[MU-BEAMFORMEE]"
215 [ "$((($vht_cap & 2097152) * $vht_txop_ps))" -eq 2097152 ] && \
216 vht_capab
="$vht_capab[VHT-TXOP-PS]"
217 [ "$((($vht_cap & 4194304) * $htc_vht))" -eq 4194304 ] && \
218 vht_capab
="$vht_capab[HTC-VHT]"
219 [ "$((($vht_cap & 268435456) * $rx_antenna_pattern))" -eq 268435456 ] && \
220 vht_capab
="$vht_capab[RX-ANTENNA-PATTERN]"
221 [ "$((($vht_cap & 536870912) * $tx_antenna_pattern))" -eq 536870912 ] && \
222 vht_capab
="$vht_capab[TX-ANTENNA-PATTERN]"
224 # supported Channel widths
226 [ "$(($vht_cap & 12))" -eq 4 -a 1 -le "$vht160" ] && \
228 [ "$(($vht_cap & 12))" -eq 8 -a 2 -le "$vht160" ] && \
230 [ "$vht160_hw" = 1 ] && vht_capab
="$vht_capab[VHT160]"
231 [ "$vht160_hw" = 2 ] && vht_capab
="$vht_capab[VHT160-80PLUS80]"
233 # maximum MPDU length
235 [ "$(($vht_cap & 3))" -ge 1 -a 7991 -le "$vht_max_mpdu" ] && \
237 [ "$(($vht_cap & 3))" -ge 2 -a 11454 -le "$vht_max_mpdu" ] && \
238 vht_max_mpdu_hw
=11454
239 [ "$vht_max_mpdu_hw" != 3895 ] && \
240 vht_capab
="$vht_capab[MAX-MPDU-$vht_max_mpdu_hw]"
242 # support for the reception of PPDUs using STBC
244 [ "$(($vht_cap & 1792))" -ge 256 -a 1 -le "$vht_max_rx_stbc" ] && \
246 [ "$(($vht_cap & 1792))" -ge 512 -a 2 -le "$vht_max_rx_stbc" ] && \
248 [ "$(($vht_cap & 1792))" -ge 768 -a 3 -le "$vht_max_rx_stbc" ] && \
250 [ "$(($vht_cap & 1792))" -ge 1024 -a 4 -le "$vht_max_rx_stbc" ] && \
252 [ "$vht_max_rx_stbc_hw" = 1 ] && vht_capab
="$vht_capab[RX-STBC-1]"
253 [ "$vht_max_rx_stbc_hw" = 2 ] && vht_capab
="$vht_capab[RX-STBC-12]"
254 [ "$vht_max_rx_stbc_hw" = 3 ] && vht_capab
="$vht_capab[RX-STBC-123]"
255 [ "$vht_max_rx_stbc_hw" = 4 ] && vht_capab
="$vht_capab[RX-STBC-1234]"
257 # whether or not the STA supports link adaptation using VHT variant
259 [ "$(($vht_cap & 201326592))" -ge 134217728 -a 2 -le "$vht_link_adapt" ] && \
261 [ "$(($vht_cap & 201326592))" -ge 201326592 -a 3 -le "$vht_link_adapt" ] && \
263 [ "$vht_link_adapt_hw" != 0 ] && \
264 vht_capab
="$vht_capab[VHT-LINK-ADAPT-$vht_link_adapt_hw]"
266 [ -n "$vht_capab" ] && append base_cfg
"vht_capab=$vht_capab" "$N"
270 hostapd_prepare_device_config
"$hostapd_conf_file" nl80211
271 cat >> "$hostapd_conf_file" <<EOF
272 ${channel:+channel=$channel}
273 ${noscan:+noscan=$noscan}
280 mac80211_hostapd_setup_bss
() {
287 append hostapd_cfg
"$type=$ifname" "$N"
289 hostapd_set_bss_options hostapd_cfg
"$vif" ||
return 1
290 json_get_vars wds dtim_period max_listen_int
294 [ "$wds" -gt 0 ] && append hostapd_cfg
"wds_sta=1" "$N"
295 [ "$staidx" -gt 0 ] && append hostapd_cfg
"start_disabled=1" "$N"
297 cat >> /var
/run
/hostapd-
$phy.conf
<<EOF
300 ${dtim_period:+dtim_period=$dtim_period}
301 ${max_listen_int:+max_listen_interval=$max_listen_int}
305 mac80211_generate_mac
() {
307 local id
="${macidx:-0}"
309 local ref
="$(cat /sys/class/ieee80211/${phy}/macaddress)"
310 local mask
="$(cat /sys/class/ieee80211/${phy}/address_mask)"
312 [ "$mask" = "00:00:00:00:00:00" ] && mask
="ff:ff:ff:ff:ff:ff";
313 local oIFS
="$IFS"; IFS
=":"; set -- $mask; IFS
="$oIFS"
318 local oIFS
="$IFS"; IFS
=":"; set -- $ref; IFS
="$oIFS"
321 [ "$((0x$mask1))" -gt 0 ] && {
324 b1
=$
(($b1 ^
((($id - 1) << 2) | 0x2)))
325 printf "%02x:%s:%s:%s:%s:%s" $b1 $2 $3 $4 $5 $6
329 [ "$((0x$mask6))" -lt 255 ] && {
330 printf "%s:%s:%s:%s:%s:%02x" $1 $2 $3 $4 $5 $(( 0x$6 ^ $id ))
334 off2=$(( (0x$6 + $id) / 0x100 ))
335 printf "%s:%s:%s:%s:%02x:%02x" \
337 $(( (0x$5 + $off2) % 0x100 )) \
338 $(( (0x$6 + $id) % 0x100 ))
342 [ -n "$phy" -a -d /sys/class/ieee80211/$phy ] && return 0
343 [ -n "$path" -a -d "/sys/devices/$path/ieee80211" ] && {
344 phy="$(ls /sys/devices/$path/ieee80211 | grep -m 1 phy)"
345 [ -n "$phy" ] && return 0
347 [ -n "$macaddr" ] && {
348 for phy in $(ls /sys/class/ieee80211 2>/dev
/null
); do
349 grep -i -q "$macaddr" "/sys/class/ieee80211/${phy}/macaddress" && return 0
355 mac80211_check_ap
() {
359 mac80211_prepare_vif
() {
362 json_get_vars ifname mode ssid wds powersave macaddr
364 [ -n "$ifname" ] || ifname
="wlan${phy#phy}${if_idx:+-$if_idx}"
365 if_idx
=$
((${if_idx:-0} + 1))
368 set_default powersave
0
372 [ -n "$macaddr" ] ||
{
373 macaddr
="$(mac80211_generate_mac $phy)"
374 macidx
="$(($macidx + 1))"
378 json_add_string ifname
"$ifname"
382 # It is far easier to delete and create the desired interface
385 iw phy
"$phy" interface add
"$ifname" type adhoc
388 # Hostapd will handle recreating the interface and
389 # subsequent virtual APs belonging to the same PHY
390 if [ -n "$hostapd_ctrl" ]; then
396 mac80211_hostapd_setup_bss
"$phy" "$ifname" "$macaddr" "$type" ||
return
398 [ -n "$hostapd_ctrl" ] ||
{
399 iw phy
"$phy" interface add
"$ifname" type managed
400 hostapd_ctrl
="${hostapd_ctrl:-/var/run/hostapd/$ifname}"
404 json_get_vars key mesh_id
405 if [ -n "$key" ]; then
406 iw phy
"$phy" interface add
"$ifname" type mp
408 iw phy
"$phy" interface add
"$ifname" type mp mesh_id
"$mesh_id"
412 iw phy
"$phy" interface add
"$ifname" type monitor
416 staidx
="$(($staidx + 1))"
417 [ "$wds" -gt 0 ] && wdsflag
="4addr on"
418 iw phy
"$phy" interface add
"$ifname" type managed
$wdsflag
419 [ "$powersave" -gt 0 ] && powersave
="on" || powersave
="off"
420 iw
"$ifname" set power_save
"$powersave"
426 [ "$auto_channel" -gt 0 ] || iw dev
"$ifname" set channel
"$channel" $htmode
430 if [ "$mode" != "ap" ]; then
431 # ALL ap functionality will be passed to hostapd
432 # All interfaces must have unique mac addresses
433 # which can either be explicitly set in the device
434 # section, or automatically generated
435 ifconfig
"$ifname" hw ether
"$macaddr"
441 mac80211_setup_supplicant
() {
442 wpa_supplicant_prepare_interface
"$ifname" nl80211 ||
return 1
443 wpa_supplicant_add_network
"$ifname"
444 wpa_supplicant_run
"$ifname" ${hostapd_ctrl:+-H $hostapd_ctrl}
447 mac80211_setup_adhoc
() {
448 json_get_vars bssid ssid key mcast_rate
451 [ "$auth_type" == "wep" ] && {
456 for idx
in 1 2 3 4; do
457 json_get_var ikey
"key$idx"
460 ikey
="$(($idx - 1)):$(prepare_key_wep "$ikey")"
461 [ $idx -eq $key ] && ikey
="d:$ikey"
462 append keyspec
"$ikey"
467 append keyspec
"d:0:$(prepare_key_wep "$key")"
473 for br
in $basic_rate_list; do
474 hostapd_add_rate brstr
"$br"
478 [ -n "$mcast_rate" ] && hostapd_add_rate mcval
"$mcast_rate"
480 iw dev
"$ifname" ibss
join "$ssid" $freq $htmode fixed-freq
$bssid \
481 ${beacon_int:+beacon-interval $beacon_int} \
482 ${brstr:+basic-rates $brstr} \
483 ${mcval:+mcast-rate $mcval} \
484 ${keyspec:+keys $keyspec}
487 mac80211_setup_vif
() {
497 json_get_var vif_txpower txpower
499 ifconfig
"$ifname" up ||
{
500 wireless_setup_vif_failed IFUP_ERROR
505 set_default vif_txpower
"$txpower"
506 [ -z "$vif_txpower" ] || iw dev
"$ifname" set txpower fixed
"${vif_txpower%%.*}00"
510 for var
in $MP_CONFIG_INT $MP_CONFIG_BOOL $MP_CONFIG_STRING; do
511 json_get_var mp_val
"$var"
512 [ -n "$mp_val" ] && iw dev
"$ifname" set mesh_param
"$var" "$mp_val"
517 if [ -n "$key" ]; then
518 if [ -e "/lib/wifi/authsae.sh" ]; then
519 .
/lib
/wifi
/authsae.sh
520 authsae_start_interface || failed
=1
522 wireless_setup_vif_failed AUTHSAE_NOT_INSTALLED
529 wireless_vif_parse_encryption
530 if [ "$wpa" -gt 0 -o "$auto_channel" -gt 0 ]; then
531 mac80211_setup_supplicant || failed
=1
537 mac80211_setup_supplicant || failed
=1
542 [ -n "$failed" ] || wireless_add_vif
"$name" "$ifname"
548 iw
"$phy" info |
grep -E -m1 "(\* ${chan:-....} MHz${chan:+|\\[$chan\\]})" | grep MHz | awk '{print $2}'
551 mac80211_interface_cleanup() {
554 for wdev in $(list_phy_interfaces "$phy"); do
555 ifconfig "$wdev" down 2>/dev/null
560 drv_mac80211_cleanup() {
561 hostapd_common_cleanup
564 drv_mac80211_setup() {
568 country chanbw distance \
569 txpower antenna_gain \
570 rxantenna txantenna \
572 json_get_values basic_rate_list basic_rate
576 echo "Could not
find PHY
for device
'$1'"
581 wireless_set_data phy="$phy"
582 mac80211_interface_cleanup "$phy"
584 # convert channel to frequency
585 [ "$auto_channel" -gt 0 ] || freq="$
(get_freq
"$phy" "$channel")"
587 [ -n "$country" ] && {
588 iw reg get | grep -q "^country
$country:" || {
589 iw reg set "$country"
594 hostapd_conf_file="/var
/run
/hostapd-
$phy.conf
"
600 [ -n "$chanbw" ] && {
601 for file in /sys/kernel/debug/ieee80211/$phy/ath9k/chanbw /sys/kernel/debug/ieee80211/$phy/ath5k/bwmode; do
602 [ -f "$file" ] && echo "$chanbw" > "$file"
606 set_default rxantenna all
607 set_default txantenna all
608 set_default distance 0
609 set_default antenna_gain 0
611 iw phy "$phy" set antenna $txantenna $rxantenna >/dev/null 2>&1
612 iw phy "$phy" set antenna_gain $antenna_gain
613 iw phy "$phy" set distance "$distance"
615 [ -n "$frag" ] && iw phy "$phy" set frag "${frag%%.*}"
616 [ -n "$rts" ] && iw phy "$phy" set rts "${rts%%.*}"
620 for_each_interface "ap
" mac80211_check_ap
622 rm -f "$hostapd_conf_file"
623 [ -n "$has_ap" ] && mac80211_hostapd_setup_base "$phy"
625 for_each_interface "sta adhoc mesh monitor
" mac80211_prepare_vif
626 for_each_interface "ap
" mac80211_prepare_vif
628 [ -n "$hostapd_ctrl" ] && {
629 /usr/sbin/hostapd -P /var/run/wifi-$phy.pid -B "$hostapd_conf_file"
631 wireless_add_process "$
(cat /var
/run
/wifi-
$phy.pid
)" "/usr
/sbin
/hostapd
" 1
633 wireless_setup_failed HOSTAPD_START_FAILED
638 for_each_interface "ap sta adhoc mesh monitor
" mac80211_setup_vif
643 list_phy_interfaces() {
645 if [ -d "/sys
/class
/ieee80211
/${phy}/device
/net
" ]; then
646 ls "/sys
/class
/ieee80211
/${phy}/device
/net
" 2>/dev/null;
648 ls "/sys
/class
/ieee80211
/${phy}/device
" 2>/dev/null | grep net: | sed -e 's,net:,,g'
652 drv_mac80211_teardown() {
653 wireless_process_kill_all
659 mac80211_interface_cleanup "$phy"