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_a_mpdu_len_exp vht_max_mpdu vht_link_adapt vht160 rx_stbc tx_stbc
48 drv_mac80211_init_iface_config
() {
49 hostapd_common_add_bss_config
51 config_add_string
'macaddr:macaddr' ifname
53 config_add_boolean wds powersave
54 config_add_int maxassoc
55 config_add_int max_listen_int
56 config_add_int dtim_period
59 config_add_string mesh_id
60 config_add_int
$MP_CONFIG_INT
61 config_add_boolean
$MP_CONFIG_BOOL
62 config_add_string
$MP_CONFIG_STRING
65 mac80211_add_capabilities
() {
66 local __var
="$1"; shift
67 local __mask
="$1"; shift
75 [ "$(($4))" -gt 0 ] ||
continue
76 [ "$(($__mask & $2))" -eq "$((${3:-$2}))" ] ||
continue
81 export -n -- "$__var=$__out"
84 mac80211_hostapd_setup_base
() {
89 [ "$auto_channel" -gt 0 ] && channel
=acs_survey
91 json_get_vars noscan htmode
92 json_get_values ht_capab_list ht_capab
98 HT40
*|VHT40|VHT80|VHT160
)
101 case "$(( ($channel / 4) % 2 ))" in
102 1) ht_capab
="[HT40+]";;
103 0) ht_capab
="[HT40-]";;
108 HT40
+) ht_capab
="[HT40+]";;
109 HT40-
) ht_capab
="[HT40-]";;
111 if [ "$channel" -lt 7 ]; then
120 [ "$auto_channel" -gt 0 ] && ht_capab
="[HT40+]"
125 [ -n "$ieee80211n" ] && {
126 append base_cfg
"ieee80211n=1" "$N"
138 for cap
in $
(iw phy
"$phy" info |
grep 'Capabilities:' | cut
-d: -f2); do
139 ht_cap_mask
="$(($ht_cap_mask | $cap))"
142 cap_rx_stbc
=$
((($ht_cap_mask >> 8) & 3))
143 [ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc
="$rx_stbc"
144 ht_cap_mask
="$(( ($ht_cap_mask & ~(0x300)) | ($cap_rx_stbc << 8) ))"
146 mac80211_add_capabilities ht_capab_flags
$ht_cap_mask \
148 GF
:0x10::$greenfield \
149 SHORT-GI-20
:0x20::$short_gi_20 \
150 SHORT-GI-40
:0x40::$short_gi_40 \
151 TX-STBC
:0x80::$tx_stbc \
152 RX-STBC1
:0x300:0x100:1 \
153 RX-STBC12
:0x300:0x200:1 \
154 RX-STBC123
:0x300:0x300:1 \
155 DSSS_CCK-40
:0x1000::$dsss_cck_40
157 ht_capab
="$ht_capab$ht_capab_flags"
158 [ -n "$ht_capab" ] && append base_cfg
"ht_capab=$ht_capab" "$N"
167 case "$(( ($channel / 4) % 2 ))" in
168 1) idx
=$
(($channel + 2));;
169 0) idx
=$
(($channel - 2));;
172 append base_cfg
"vht_oper_chwidth=0" "$N"
173 append base_cfg
"vht_oper_centr_freq_seg0_idx=$idx" "$N"
176 case "$(( ($channel / 4) % 4 ))" in
177 1) idx
=$
(($channel + 6));;
178 2) idx
=$
(($channel + 2));;
179 3) idx
=$
(($channel - 2));;
180 0) idx
=$
(($channel - 6));;
183 append base_cfg
"vht_oper_chwidth=1" "$N"
184 append base_cfg
"vht_oper_centr_freq_seg0_idx=$idx" "$N"
188 36|
40|
44|
48|
52|
56|
60|
64) idx
=50;;
189 100|
104|
108|
112|
116|
120|
124|
128) idx
=114;;
192 append base_cfg
"vht_oper_chwidth=2" "$N"
193 append base_cfg
"vht_oper_centr_freq_seg0_idx=$idx" "$N"
197 if [ "$enable_ac" != "0" ]; then
209 rx_antenna_pattern
:1 \
210 tx_antenna_pattern
:1 \
211 vht_max_a_mpdu_len_exp
:7 \
218 append base_cfg
"ieee80211ac=1" "$N"
220 for cap
in $
(iw phy
"$phy" info |
awk -F "[()]" '/VHT Capabilities/ { print $2 }'); do
221 vht_cap
="$(($vht_cap | $cap))"
224 cap_rx_stbc
=$
((($vht_cap >> 8) & 7))
225 [ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc
="$rx_stbc"
226 ht_cap_mask
="$(( ($vht_cap & ~(0x700)) | ($cap_rx_stbc << 8) ))"
228 mac80211_add_capabilities vht_capab
$vht_cap \
229 RXLDPC
:0x10::$rxldpc \
230 SHORT-GI-80
:0x20::$short_gi_80 \
231 SHORT-GI-160
:0x40::$short_gi_160 \
232 TX-STBC-2BY1
:0x80::$tx_stbc \
233 SU-BEAMFORMER
:0x800::$su_beamformer \
234 SU-BEAMFORMEE
:0x1000::$su_beamformee \
235 MU-BEAMFORMER
:0x80000::$mu_beamformer \
236 MU-BEAMFORMEE
:0x100000::$mu_beamformee \
237 VHT-TXOP-PS
:0x200000::$vht_txop_ps \
238 HTC-VHT
:0x400000::$htc_vht \
239 RX-ANTENNA-PATTERN
:0x10000000::$rx_antenna_pattern \
240 TX-ANTENNA-PATTERN
:0x20000000::$tx_antenna_pattern \
241 RX-STBC1
:0x700:0x100:1 \
242 RX-STBC12
:0x700:0x200:1 \
243 RX-STBC123
:0x700:0x300:1 \
244 RX-STBC1234
:0x700:0x400:1 \
246 # supported Channel widths
248 [ "$(($vht_cap & 12))" -eq 4 -a 1 -le "$vht160" ] && \
250 [ "$(($vht_cap & 12))" -eq 8 -a 2 -le "$vht160" ] && \
252 [ "$vht160_hw" = 1 ] && vht_capab
="$vht_capab[VHT160]"
253 [ "$vht160_hw" = 2 ] && vht_capab
="$vht_capab[VHT160-80PLUS80]"
255 # maximum MPDU length
257 [ "$(($vht_cap & 3))" -ge 1 -a 7991 -le "$vht_max_mpdu" ] && \
259 [ "$(($vht_cap & 3))" -ge 2 -a 11454 -le "$vht_max_mpdu" ] && \
260 vht_max_mpdu_hw
=11454
261 [ "$vht_max_mpdu_hw" != 3895 ] && \
262 vht_capab
="$vht_capab[MAX-MPDU-$vht_max_mpdu_hw]"
264 # maximum A-MPDU length exponent
265 vht_max_a_mpdu_len_exp_hw
=0
266 [ "$(($vht_cap & 58720256))" -ge 8388608 -a 1 -le "$vht_max_a_mpdu_len_exp" ] && \
267 vht_max_a_mpdu_len_exp_hw
=1
268 [ "$(($vht_cap & 58720256))" -ge 16777216 -a 2 -le "$vht_max_a_mpdu_len_exp" ] && \
269 vht_max_a_mpdu_len_exp_hw
=2
270 [ "$(($vht_cap & 58720256))" -ge 25165824 -a 3 -le "$vht_max_a_mpdu_len_exp" ] && \
271 vht_max_a_mpdu_len_exp_hw
=3
272 [ "$(($vht_cap & 58720256))" -ge 33554432 -a 4 -le "$vht_max_a_mpdu_len_exp" ] && \
273 vht_max_a_mpdu_len_exp_hw
=4
274 [ "$(($vht_cap & 58720256))" -ge 41943040 -a 5 -le "$vht_max_a_mpdu_len_exp" ] && \
275 vht_max_a_mpdu_len_exp_hw
=5
276 [ "$(($vht_cap & 58720256))" -ge 50331648 -a 6 -le "$vht_max_a_mpdu_len_exp" ] && \
277 vht_max_a_mpdu_len_exp_hw
=6
278 [ "$(($vht_cap & 58720256))" -ge 58720256 -a 7 -le "$vht_max_a_mpdu_len_exp" ] && \
279 vht_max_a_mpdu_len_exp_hw
=7
280 vht_capab
="$vht_capab[MAX-A-MPDU-LEN-EXP$vht_max_a_mpdu_len_exp_hw]"
282 # whether or not the STA supports link adaptation using VHT variant
284 [ "$(($vht_cap & 201326592))" -ge 134217728 -a 2 -le "$vht_link_adapt" ] && \
286 [ "$(($vht_cap & 201326592))" -ge 201326592 -a 3 -le "$vht_link_adapt" ] && \
288 [ "$vht_link_adapt_hw" != 0 ] && \
289 vht_capab
="$vht_capab[VHT-LINK-ADAPT-$vht_link_adapt_hw]"
291 [ -n "$vht_capab" ] && append base_cfg
"vht_capab=$vht_capab" "$N"
294 hostapd_prepare_device_config
"$hostapd_conf_file" nl80211
295 cat >> "$hostapd_conf_file" <<EOF
296 ${channel:+channel=$channel}
297 ${noscan:+noscan=$noscan}
304 mac80211_hostapd_setup_bss
() {
311 append hostapd_cfg
"$type=$ifname" "$N"
313 hostapd_set_bss_options hostapd_cfg
"$vif" ||
return 1
314 json_get_vars wds dtim_period max_listen_int
318 [ "$wds" -gt 0 ] && append hostapd_cfg
"wds_sta=1" "$N"
319 [ "$staidx" -gt 0 ] && append hostapd_cfg
"start_disabled=1" "$N"
321 cat >> /var
/run
/hostapd-
$phy.conf
<<EOF
324 ${dtim_period:+dtim_period=$dtim_period}
325 ${max_listen_int:+max_listen_interval=$max_listen_int}
329 mac80211_generate_mac
() {
331 local id
="${macidx:-0}"
333 local ref
="$(cat /sys/class/ieee80211/${phy}/macaddress)"
334 local mask
="$(cat /sys/class/ieee80211/${phy}/address_mask)"
336 [ "$mask" = "00:00:00:00:00:00" ] && mask
="ff:ff:ff:ff:ff:ff";
337 local oIFS
="$IFS"; IFS
=":"; set -- $mask; IFS
="$oIFS"
342 local oIFS
="$IFS"; IFS
=":"; set -- $ref; IFS
="$oIFS"
345 [ "$((0x$mask1))" -gt 0 ] && {
348 b1
=$
(($b1 ^
((($id - 1) << 2) | 0x2)))
349 printf "%02x:%s:%s:%s:%s:%s" $b1 $2 $3 $4 $5 $6
353 [ "$((0x$mask6))" -lt 255 ] && {
354 printf "%s:%s:%s:%s:%s:%02x" $1 $2 $3 $4 $5 $(( 0x$6 ^ $id ))
358 off2=$(( (0x$6 + $id) / 0x100 ))
359 printf "%s:%s:%s:%s:%02x:%02x" \
361 $(( (0x$5 + $off2) % 0x100 )) \
362 $(( (0x$6 + $id) % 0x100 ))
366 [ -n "$phy" -a -d /sys/class/ieee80211/$phy ] && return 0
368 for phy in /sys/devices/$path/ieee80211/phy*; do
375 [ -n "$macaddr" ] && {
376 for phy in $(ls /sys/class/ieee80211 2>/dev
/null
); do
377 grep -i -q "$macaddr" "/sys/class/ieee80211/${phy}/macaddress" && return 0
383 mac80211_check_ap
() {
387 mac80211_prepare_vif
() {
390 json_get_vars ifname mode ssid wds powersave macaddr
392 [ -n "$ifname" ] || ifname
="wlan${phy#phy}${if_idx:+-$if_idx}"
393 if_idx
=$
((${if_idx:-0} + 1))
396 set_default powersave
0
400 [ -n "$macaddr" ] ||
{
401 macaddr
="$(mac80211_generate_mac $phy)"
402 macidx
="$(($macidx + 1))"
406 json_add_string ifname
"$ifname"
410 # It is far easier to delete and create the desired interface
413 iw phy
"$phy" interface add
"$ifname" type adhoc
416 # Hostapd will handle recreating the interface and
417 # subsequent virtual APs belonging to the same PHY
418 if [ -n "$hostapd_ctrl" ]; then
424 mac80211_hostapd_setup_bss
"$phy" "$ifname" "$macaddr" "$type" ||
return
426 [ -n "$hostapd_ctrl" ] ||
{
427 iw phy
"$phy" interface add
"$ifname" type managed
428 hostapd_ctrl
="${hostapd_ctrl:-/var/run/hostapd/$ifname}"
432 json_get_vars key mesh_id
433 if [ -n "$key" ]; then
434 iw phy
"$phy" interface add
"$ifname" type mp
436 iw phy
"$phy" interface add
"$ifname" type mp mesh_id
"$mesh_id"
440 iw phy
"$phy" interface add
"$ifname" type monitor
444 staidx
="$(($staidx + 1))"
445 [ "$wds" -gt 0 ] && wdsflag
="4addr on"
446 iw phy
"$phy" interface add
"$ifname" type managed
$wdsflag
447 [ "$powersave" -gt 0 ] && powersave
="on" || powersave
="off"
448 iw
"$ifname" set power_save
"$powersave"
454 [ "$auto_channel" -gt 0 ] || iw dev
"$ifname" set channel
"$channel" $htmode
458 if [ "$mode" != "ap" ]; then
459 # ALL ap functionality will be passed to hostapd
460 # All interfaces must have unique mac addresses
461 # which can either be explicitly set in the device
462 # section, or automatically generated
463 ifconfig
"$ifname" hw ether
"$macaddr"
469 mac80211_setup_supplicant
() {
470 wpa_supplicant_prepare_interface
"$ifname" nl80211 ||
return 1
471 wpa_supplicant_add_network
"$ifname"
472 wpa_supplicant_run
"$ifname" ${hostapd_ctrl:+-H $hostapd_ctrl}
475 mac80211_setup_adhoc
() {
476 json_get_vars bssid ssid key mcast_rate
479 [ "$auth_type" == "wep" ] && {
484 for idx
in 1 2 3 4; do
485 json_get_var ikey
"key$idx"
488 ikey
="$(($idx - 1)):$(prepare_key_wep "$ikey")"
489 [ $idx -eq $key ] && ikey
="d:$ikey"
490 append keyspec
"$ikey"
495 append keyspec
"d:0:$(prepare_key_wep "$key")"
501 for br
in $basic_rate_list; do
502 hostapd_add_rate brstr
"$br"
506 [ -n "$mcast_rate" ] && hostapd_add_rate mcval
"$mcast_rate"
508 iw dev
"$ifname" ibss
join "$ssid" $freq $htmode fixed-freq
$bssid \
509 ${beacon_int:+beacon-interval $beacon_int} \
510 ${brstr:+basic-rates $brstr} \
511 ${mcval:+mcast-rate $mcval} \
512 ${keyspec:+keys $keyspec}
515 mac80211_setup_vif
() {
525 json_get_var vif_txpower txpower
527 ifconfig
"$ifname" up ||
{
528 wireless_setup_vif_failed IFUP_ERROR
533 set_default vif_txpower
"$txpower"
534 [ -z "$vif_txpower" ] || iw dev
"$ifname" set txpower fixed
"${vif_txpower%%.*}00"
538 for var
in $MP_CONFIG_INT $MP_CONFIG_BOOL $MP_CONFIG_STRING; do
539 json_get_var mp_val
"$var"
540 [ -n "$mp_val" ] && iw dev
"$ifname" set mesh_param
"$var" "$mp_val"
545 if [ -n "$key" ]; then
546 if [ -e "/lib/wifi/authsae.sh" ]; then
547 .
/lib
/wifi
/authsae.sh
548 authsae_start_interface || failed
=1
550 wireless_setup_vif_failed AUTHSAE_NOT_INSTALLED
557 wireless_vif_parse_encryption
558 if [ "$wpa" -gt 0 -o "$auto_channel" -gt 0 ]; then
559 mac80211_setup_supplicant || failed
=1
565 mac80211_setup_supplicant || failed
=1
570 [ -n "$failed" ] || wireless_add_vif
"$name" "$ifname"
576 iw
"$phy" info |
grep -E -m1 "(\* ${chan:-....} MHz${chan:+|\\[$chan\\]})" | grep MHz | awk '{print $2}'
579 mac80211_interface_cleanup() {
582 for wdev in $(list_phy_interfaces "$phy"); do
583 ifconfig "$wdev" down 2>/dev/null
588 drv_mac80211_cleanup() {
589 hostapd_common_cleanup
592 drv_mac80211_setup() {
596 country chanbw distance \
597 txpower antenna_gain \
598 rxantenna txantenna \
600 json_get_values basic_rate_list basic_rate
604 echo "Could not
find PHY
for device
'$1'"
609 wireless_set_data phy="$phy"
610 mac80211_interface_cleanup "$phy"
612 # convert channel to frequency
613 [ "$auto_channel" -gt 0 ] || freq="$
(get_freq
"$phy" "$channel")"
615 [ -n "$country" ] && {
616 iw reg get | grep -q "^country
$country:" || {
617 iw reg set "$country"
622 hostapd_conf_file="/var
/run
/hostapd-
$phy.conf
"
628 [ -n "$chanbw" ] && {
629 for file in /sys/kernel/debug/ieee80211/$phy/ath9k/chanbw /sys/kernel/debug/ieee80211/$phy/ath5k/bwmode; do
630 [ -f "$file" ] && echo "$chanbw" > "$file"
634 set_default rxantenna all
635 set_default txantenna all
636 set_default distance 0
637 set_default antenna_gain 0
639 iw phy "$phy" set antenna $txantenna $rxantenna >/dev/null 2>&1
640 iw phy "$phy" set antenna_gain $antenna_gain
641 iw phy "$phy" set distance "$distance"
643 [ -n "$frag" ] && iw phy "$phy" set frag "${frag%%.*}"
644 [ -n "$rts" ] && iw phy "$phy" set rts "${rts%%.*}"
648 for_each_interface "ap
" mac80211_check_ap
650 rm -f "$hostapd_conf_file"
651 [ -n "$has_ap" ] && mac80211_hostapd_setup_base "$phy"
653 for_each_interface "sta adhoc mesh monitor
" mac80211_prepare_vif
654 for_each_interface "ap
" mac80211_prepare_vif
656 [ -n "$hostapd_ctrl" ] && {
657 /usr/sbin/hostapd -P /var/run/wifi-$phy.pid -B "$hostapd_conf_file"
659 wireless_add_process "$
(cat /var
/run
/wifi-
$phy.pid
)" "/usr
/sbin
/hostapd
" 1
661 wireless_setup_failed HOSTAPD_START_FAILED
666 for_each_interface "ap sta adhoc mesh monitor
" mac80211_setup_vif
671 list_phy_interfaces() {
673 if [ -d "/sys
/class
/ieee80211
/${phy}/device
/net
" ]; then
674 ls "/sys
/class
/ieee80211
/${phy}/device
/net
" 2>/dev/null;
676 ls "/sys
/class
/ieee80211
/${phy}/device
" 2>/dev/null | grep net: | sed -e 's,net:,,g'
680 drv_mac80211_teardown() {
681 wireless_process_kill_all
687 mac80211_interface_cleanup "$phy"