mac80211.sh 19 KB

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  1. #!/bin/sh
  2. . /lib/netifd/netifd-wireless.sh
  3. . /lib/netifd/hostapd.sh
  4. init_wireless_driver "$@"
  5. MP_CONFIG_INT="mesh_retry_timeout mesh_confirm_timeout mesh_holding_timeout mesh_max_peer_links
  6. mesh_max_retries mesh_ttl mesh_element_ttl mesh_hwmp_max_preq_retries
  7. mesh_path_refresh_time mesh_min_discovery_timeout mesh_hwmp_active_path_timeout
  8. mesh_hwmp_preq_min_interval mesh_hwmp_net_diameter_traversal_time mesh_hwmp_rootmode
  9. mesh_hwmp_rann_interval mesh_gate_announcements mesh_sync_offset_max_neighor
  10. mesh_rssi_threshold mesh_hwmp_active_path_to_root_timeout mesh_hwmp_root_interval
  11. mesh_hwmp_confirmation_interval mesh_awake_window mesh_plink_timeout"
  12. MP_CONFIG_BOOL="mesh_auto_open_plinks mesh_fwding"
  13. MP_CONFIG_STRING="mesh_power_mode"
  14. drv_mac80211_init_device_config() {
  15. hostapd_common_add_device_config
  16. config_add_string path phy 'macaddr:macaddr'
  17. config_add_string hwmode
  18. config_add_int beacon_int chanbw frag rts
  19. config_add_int rxantenna txantenna antenna_gain txpower distance
  20. config_add_boolean noscan ht_coex
  21. config_add_array ht_capab
  22. config_add_array channels
  23. config_add_boolean \
  24. rxldpc \
  25. short_gi_80 \
  26. short_gi_160 \
  27. tx_stbc_2by1 \
  28. su_beamformer \
  29. su_beamformee \
  30. mu_beamformer \
  31. mu_beamformee \
  32. vht_txop_ps \
  33. htc_vht \
  34. rx_antenna_pattern \
  35. tx_antenna_pattern
  36. config_add_int vht_max_a_mpdu_len_exp vht_max_mpdu vht_link_adapt vht160 rx_stbc tx_stbc
  37. config_add_boolean \
  38. ldpc \
  39. greenfield \
  40. short_gi_20 \
  41. short_gi_40 \
  42. max_amsdu \
  43. dsss_cck_40
  44. }
  45. drv_mac80211_init_iface_config() {
  46. hostapd_common_add_bss_config
  47. config_add_string 'macaddr:macaddr' ifname
  48. config_add_boolean wds powersave
  49. config_add_int maxassoc
  50. config_add_int max_listen_int
  51. config_add_int dtim_period
  52. config_add_int start_disabled
  53. # mesh
  54. config_add_string mesh_id
  55. config_add_int $MP_CONFIG_INT
  56. config_add_boolean $MP_CONFIG_BOOL
  57. config_add_string $MP_CONFIG_STRING
  58. }
  59. mac80211_add_capabilities() {
  60. local __var="$1"; shift
  61. local __mask="$1"; shift
  62. local __out= oifs
  63. oifs="$IFS"
  64. IFS=:
  65. for capab in "$@"; do
  66. set -- $capab
  67. [ "$(($4))" -gt 0 ] || continue
  68. [ "$(($__mask & $2))" -eq "$((${3:-$2}))" ] || continue
  69. __out="$__out[$1]"
  70. done
  71. IFS="$oifs"
  72. export -n -- "$__var=$__out"
  73. }
  74. mac80211_hostapd_setup_base() {
  75. local phy="$1"
  76. json_select config
  77. [ "$auto_channel" -gt 0 ] && channel=acs_survey
  78. [ "$auto_channel" -gt 0 ] && json_get_values channel_list channels
  79. json_get_vars noscan ht_coex
  80. json_get_values ht_capab_list ht_capab
  81. ieee80211n=1
  82. ht_capab=
  83. case "$htmode" in
  84. VHT20|HT20) ;;
  85. HT40*|VHT40|VHT80|VHT160)
  86. case "$hwmode" in
  87. a)
  88. case "$(( ($channel / 4) % 2 ))" in
  89. 1) ht_capab="[HT40+]";;
  90. 0) ht_capab="[HT40-]";;
  91. esac
  92. ;;
  93. *)
  94. case "$htmode" in
  95. HT40+) ht_capab="[HT40+]";;
  96. HT40-) ht_capab="[HT40-]";;
  97. *)
  98. if [ "$channel" -lt 7 ]; then
  99. ht_capab="[HT40+]"
  100. else
  101. ht_capab="[HT40-]"
  102. fi
  103. ;;
  104. esac
  105. ;;
  106. esac
  107. [ "$auto_channel" -gt 0 ] && ht_capab="[HT40+]"
  108. ;;
  109. *) ieee80211n= ;;
  110. esac
  111. [ -n "$ieee80211n" ] && {
  112. append base_cfg "ieee80211n=1" "$N"
  113. set_default ht_coex 0
  114. append base_cfg "ht_coex=$ht_coex" "$N"
  115. json_get_vars \
  116. ldpc:1 \
  117. greenfield:0 \
  118. short_gi_20:1 \
  119. short_gi_40:1 \
  120. tx_stbc:1 \
  121. rx_stbc:3 \
  122. max_amsdu:1 \
  123. dsss_cck_40:1
  124. ht_cap_mask=0
  125. for cap in $(iw phy "$phy" info | grep 'Capabilities:' | cut -d: -f2); do
  126. ht_cap_mask="$(($ht_cap_mask | $cap))"
  127. done
  128. cap_rx_stbc=$((($ht_cap_mask >> 8) & 3))
  129. [ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc="$rx_stbc"
  130. ht_cap_mask="$(( ($ht_cap_mask & ~(0x300)) | ($cap_rx_stbc << 8) ))"
  131. mac80211_add_capabilities ht_capab_flags $ht_cap_mask \
  132. LDPC:0x1::$ldpc \
  133. GF:0x10::$greenfield \
  134. SHORT-GI-20:0x20::$short_gi_20 \
  135. SHORT-GI-40:0x40::$short_gi_40 \
  136. TX-STBC:0x80::$tx_stbc \
  137. RX-STBC1:0x300:0x100:1 \
  138. RX-STBC12:0x300:0x200:1 \
  139. RX-STBC123:0x300:0x300:1 \
  140. MAX-AMSDU-7935:0x800::$max_amsdu \
  141. DSSS_CCK-40:0x1000::$dsss_cck_40
  142. ht_capab="$ht_capab$ht_capab_flags"
  143. [ -n "$ht_capab" ] && append base_cfg "ht_capab=$ht_capab" "$N"
  144. }
  145. # 802.11ac
  146. enable_ac=0
  147. idx="$channel"
  148. case "$htmode" in
  149. VHT20) enable_ac=1;;
  150. VHT40)
  151. case "$(( ($channel / 4) % 2 ))" in
  152. 1) idx=$(($channel + 2));;
  153. 0) idx=$(($channel - 2));;
  154. esac
  155. enable_ac=1
  156. append base_cfg "vht_oper_chwidth=0" "$N"
  157. append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
  158. ;;
  159. VHT80)
  160. case "$(( ($channel / 4) % 4 ))" in
  161. 1) idx=$(($channel + 6));;
  162. 2) idx=$(($channel + 2));;
  163. 3) idx=$(($channel - 2));;
  164. 0) idx=$(($channel - 6));;
  165. esac
  166. enable_ac=1
  167. append base_cfg "vht_oper_chwidth=1" "$N"
  168. append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
  169. ;;
  170. VHT160)
  171. case "$channel" in
  172. 36|40|44|48|52|56|60|64) idx=50;;
  173. 100|104|108|112|116|120|124|128) idx=114;;
  174. esac
  175. enable_ac=1
  176. append base_cfg "vht_oper_chwidth=2" "$N"
  177. append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
  178. ;;
  179. esac
  180. if [ "$enable_ac" != "0" ]; then
  181. json_get_vars \
  182. rxldpc:1 \
  183. short_gi_80:1 \
  184. short_gi_160:1 \
  185. tx_stbc_2by1:1 \
  186. su_beamformer:1 \
  187. su_beamformee:1 \
  188. mu_beamformer:1 \
  189. mu_beamformee:1 \
  190. vht_txop_ps:1 \
  191. htc_vht:1 \
  192. rx_antenna_pattern:1 \
  193. tx_antenna_pattern:1 \
  194. vht_max_a_mpdu_len_exp:7 \
  195. vht_max_mpdu:11454 \
  196. rx_stbc:4 \
  197. vht_link_adapt:3 \
  198. vht160:2
  199. append base_cfg "ieee80211ac=1" "$N"
  200. vht_cap=0
  201. for cap in $(iw phy "$phy" info | awk -F "[()]" '/VHT Capabilities/ { print $2 }'); do
  202. vht_cap="$(($vht_cap | $cap))"
  203. done
  204. cap_rx_stbc=$((($vht_cap >> 8) & 7))
  205. [ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc="$rx_stbc"
  206. vht_cap="$(( ($vht_cap & ~(0x700)) | ($cap_rx_stbc << 8) ))"
  207. mac80211_add_capabilities vht_capab $vht_cap \
  208. RXLDPC:0x10::$rxldpc \
  209. SHORT-GI-80:0x20::$short_gi_80 \
  210. SHORT-GI-160:0x40::$short_gi_160 \
  211. TX-STBC-2BY1:0x80::$tx_stbc_2by1 \
  212. SU-BEAMFORMER:0x800::$su_beamformer \
  213. SU-BEAMFORMEE:0x1000::$su_beamformee \
  214. MU-BEAMFORMER:0x80000::$mu_beamformer \
  215. MU-BEAMFORMEE:0x100000::$mu_beamformee \
  216. VHT-TXOP-PS:0x200000::$vht_txop_ps \
  217. HTC-VHT:0x400000::$htc_vht \
  218. RX-ANTENNA-PATTERN:0x10000000::$rx_antenna_pattern \
  219. TX-ANTENNA-PATTERN:0x20000000::$tx_antenna_pattern \
  220. RX-STBC-1:0x700:0x100:1 \
  221. RX-STBC-12:0x700:0x200:1 \
  222. RX-STBC-123:0x700:0x300:1 \
  223. RX-STBC-1234:0x700:0x400:1 \
  224. # supported Channel widths
  225. vht160_hw=0
  226. [ "$(($vht_cap & 12))" -eq 4 -a 1 -le "$vht160" ] && \
  227. vht160_hw=1
  228. [ "$(($vht_cap & 12))" -eq 8 -a 2 -le "$vht160" ] && \
  229. vht160_hw=2
  230. [ "$vht160_hw" = 1 ] && vht_capab="$vht_capab[VHT160]"
  231. [ "$vht160_hw" = 2 ] && vht_capab="$vht_capab[VHT160-80PLUS80]"
  232. # maximum MPDU length
  233. vht_max_mpdu_hw=3895
  234. [ "$(($vht_cap & 3))" -ge 1 -a 7991 -le "$vht_max_mpdu" ] && \
  235. vht_max_mpdu_hw=7991
  236. [ "$(($vht_cap & 3))" -ge 2 -a 11454 -le "$vht_max_mpdu" ] && \
  237. vht_max_mpdu_hw=11454
  238. [ "$vht_max_mpdu_hw" != 3895 ] && \
  239. vht_capab="$vht_capab[MAX-MPDU-$vht_max_mpdu_hw]"
  240. # maximum A-MPDU length exponent
  241. vht_max_a_mpdu_len_exp_hw=0
  242. [ "$(($vht_cap & 58720256))" -ge 8388608 -a 1 -le "$vht_max_a_mpdu_len_exp" ] && \
  243. vht_max_a_mpdu_len_exp_hw=1
  244. [ "$(($vht_cap & 58720256))" -ge 16777216 -a 2 -le "$vht_max_a_mpdu_len_exp" ] && \
  245. vht_max_a_mpdu_len_exp_hw=2
  246. [ "$(($vht_cap & 58720256))" -ge 25165824 -a 3 -le "$vht_max_a_mpdu_len_exp" ] && \
  247. vht_max_a_mpdu_len_exp_hw=3
  248. [ "$(($vht_cap & 58720256))" -ge 33554432 -a 4 -le "$vht_max_a_mpdu_len_exp" ] && \
  249. vht_max_a_mpdu_len_exp_hw=4
  250. [ "$(($vht_cap & 58720256))" -ge 41943040 -a 5 -le "$vht_max_a_mpdu_len_exp" ] && \
  251. vht_max_a_mpdu_len_exp_hw=5
  252. [ "$(($vht_cap & 58720256))" -ge 50331648 -a 6 -le "$vht_max_a_mpdu_len_exp" ] && \
  253. vht_max_a_mpdu_len_exp_hw=6
  254. [ "$(($vht_cap & 58720256))" -ge 58720256 -a 7 -le "$vht_max_a_mpdu_len_exp" ] && \
  255. vht_max_a_mpdu_len_exp_hw=7
  256. vht_capab="$vht_capab[MAX-A-MPDU-LEN-EXP$vht_max_a_mpdu_len_exp_hw]"
  257. # whether or not the STA supports link adaptation using VHT variant
  258. vht_link_adapt_hw=0
  259. [ "$(($vht_cap & 201326592))" -ge 134217728 -a 2 -le "$vht_link_adapt" ] && \
  260. vht_link_adapt_hw=2
  261. [ "$(($vht_cap & 201326592))" -ge 201326592 -a 3 -le "$vht_link_adapt" ] && \
  262. vht_link_adapt_hw=3
  263. [ "$vht_link_adapt_hw" != 0 ] && \
  264. vht_capab="$vht_capab[VHT-LINK-ADAPT-$vht_link_adapt_hw]"
  265. [ -n "$vht_capab" ] && append base_cfg "vht_capab=$vht_capab" "$N"
  266. fi
  267. hostapd_prepare_device_config "$hostapd_conf_file" nl80211
  268. cat >> "$hostapd_conf_file" <<EOF
  269. ${channel:+channel=$channel}
  270. ${channel_list:+chanlist=$channel_list}
  271. ${noscan:+noscan=$noscan}
  272. $base_cfg
  273. EOF
  274. json_select ..
  275. }
  276. mac80211_hostapd_setup_bss() {
  277. local phy="$1"
  278. local ifname="$2"
  279. local macaddr="$3"
  280. local type="$4"
  281. hostapd_cfg=
  282. append hostapd_cfg "$type=$ifname" "$N"
  283. hostapd_set_bss_options hostapd_cfg "$vif" || return 1
  284. json_get_vars wds dtim_period max_listen_int start_disabled
  285. set_default wds 0
  286. set_default start_disabled 0
  287. [ "$wds" -gt 0 ] && append hostapd_cfg "wds_sta=1" "$N"
  288. [ "$staidx" -gt 0 -o "$start_disabled" -eq 1 ] && append hostapd_cfg "start_disabled=1" "$N"
  289. cat >> /var/run/hostapd-$phy.conf <<EOF
  290. $hostapd_cfg
  291. bssid=$macaddr
  292. ${dtim_period:+dtim_period=$dtim_period}
  293. ${max_listen_int:+max_listen_interval=$max_listen_int}
  294. EOF
  295. }
  296. mac80211_get_addr() {
  297. local phy="$1"
  298. local idx="$(($2 + 1))"
  299. head -n $(($macidx + 1)) /sys/class/ieee80211/${phy}/addresses | tail -n1
  300. }
  301. mac80211_generate_mac() {
  302. local phy="$1"
  303. local id="${macidx:-0}"
  304. local ref="$(cat /sys/class/ieee80211/${phy}/macaddress)"
  305. local mask="$(cat /sys/class/ieee80211/${phy}/address_mask)"
  306. [ "$mask" = "00:00:00:00:00:00" ] && {
  307. mask="ff:ff:ff:ff:ff:ff";
  308. [ "$(wc -l < /sys/class/ieee80211/${phy}/addresses)" -gt 1 ] && {
  309. addr="$(mac80211_get_addr "$phy" "$id")"
  310. [ -n "$addr" ] && {
  311. echo "$addr"
  312. return
  313. }
  314. }
  315. }
  316. local oIFS="$IFS"; IFS=":"; set -- $mask; IFS="$oIFS"
  317. local mask1=$1
  318. local mask6=$6
  319. local oIFS="$IFS"; IFS=":"; set -- $ref; IFS="$oIFS"
  320. macidx=$(($id + 1))
  321. [ "$((0x$mask1))" -gt 0 ] && {
  322. b1="0x$1"
  323. [ "$id" -gt 0 ] && \
  324. b1=$(($b1 ^ ((($id - 1) << 2) | 0x2)))
  325. printf "%02x:%s:%s:%s:%s:%s" $b1 $2 $3 $4 $5 $6
  326. return
  327. }
  328. [ "$((0x$mask6))" -lt 255 ] && {
  329. printf "%s:%s:%s:%s:%s:%02x" $1 $2 $3 $4 $5 $(( 0x$6 ^ $id ))
  330. return
  331. }
  332. off2=$(( (0x$6 + $id) / 0x100 ))
  333. printf "%s:%s:%s:%s:%02x:%02x" \
  334. $1 $2 $3 $4 \
  335. $(( (0x$5 + $off2) % 0x100 )) \
  336. $(( (0x$6 + $id) % 0x100 ))
  337. }
  338. find_phy() {
  339. [ -n "$phy" -a -d /sys/class/ieee80211/$phy ] && return 0
  340. [ -n "$path" ] && {
  341. for phy in $(ls /sys/class/ieee80211 2>/dev/null); do
  342. case "$(readlink -f /sys/class/ieee80211/$phy/device)" in
  343. *$path) return 0;;
  344. esac
  345. done
  346. }
  347. [ -n "$macaddr" ] && {
  348. for phy in $(ls /sys/class/ieee80211 2>/dev/null); do
  349. grep -i -q "$macaddr" "/sys/class/ieee80211/${phy}/macaddress" && return 0
  350. done
  351. }
  352. return 1
  353. }
  354. mac80211_check_ap() {
  355. has_ap=1
  356. }
  357. mac80211_prepare_vif() {
  358. json_select config
  359. json_get_vars ifname mode ssid wds powersave macaddr
  360. [ -n "$ifname" ] || ifname="wlan${phy#phy}${if_idx:+-$if_idx}"
  361. if_idx=$((${if_idx:-0} + 1))
  362. set_default wds 0
  363. set_default powersave 0
  364. json_select ..
  365. [ -n "$macaddr" ] || {
  366. macaddr="$(mac80211_generate_mac $phy)"
  367. macidx="$(($macidx + 1))"
  368. }
  369. json_add_object data
  370. json_add_string ifname "$ifname"
  371. json_close_object
  372. json_select config
  373. # It is far easier to delete and create the desired interface
  374. case "$mode" in
  375. adhoc)
  376. iw phy "$phy" interface add "$ifname" type adhoc
  377. ;;
  378. ap)
  379. # Hostapd will handle recreating the interface and
  380. # subsequent virtual APs belonging to the same PHY
  381. if [ -n "$hostapd_ctrl" ]; then
  382. type=bss
  383. else
  384. type=interface
  385. fi
  386. mac80211_hostapd_setup_bss "$phy" "$ifname" "$macaddr" "$type" || return
  387. [ -n "$hostapd_ctrl" ] || {
  388. iw phy "$phy" interface add "$ifname" type __ap
  389. hostapd_ctrl="${hostapd_ctrl:-/var/run/hostapd/$ifname}"
  390. }
  391. ;;
  392. mesh)
  393. iw phy "$phy" interface add "$ifname" type mp
  394. ;;
  395. monitor)
  396. iw phy "$phy" interface add "$ifname" type monitor
  397. ;;
  398. sta)
  399. local wdsflag=
  400. staidx="$(($staidx + 1))"
  401. [ "$wds" -gt 0 ] && wdsflag="4addr on"
  402. iw phy "$phy" interface add "$ifname" type managed $wdsflag
  403. [ "$powersave" -gt 0 ] && powersave="on" || powersave="off"
  404. iw "$ifname" set power_save "$powersave"
  405. ;;
  406. esac
  407. case "$mode" in
  408. monitor|mesh)
  409. [ "$auto_channel" -gt 0 ] || iw dev "$ifname" set channel "$channel" $htmode
  410. ;;
  411. esac
  412. if [ "$mode" != "ap" ]; then
  413. # ALL ap functionality will be passed to hostapd
  414. # All interfaces must have unique mac addresses
  415. # which can either be explicitly set in the device
  416. # section, or automatically generated
  417. ip link set dev "$ifname" address "$macaddr"
  418. fi
  419. json_select ..
  420. }
  421. mac80211_setup_supplicant() {
  422. wpa_supplicant_prepare_interface "$ifname" nl80211 || return 1
  423. wpa_supplicant_add_network "$ifname"
  424. wpa_supplicant_run "$ifname" ${hostapd_ctrl:+-H $hostapd_ctrl}
  425. }
  426. mac80211_setup_adhoc_htmode() {
  427. case "$htmode" in
  428. VHT20|HT20) ibss_htmode=HT20;;
  429. HT40*|VHT40|VHT160)
  430. case "$hwmode" in
  431. a)
  432. case "$(( ($channel / 4) % 2 ))" in
  433. 1) ibss_htmode="HT40+" ;;
  434. 0) ibss_htmode="HT40-";;
  435. esac
  436. ;;
  437. *)
  438. case "$htmode" in
  439. HT40+) ibss_htmode="HT40+";;
  440. HT40-) ibss_htmode="HT40-";;
  441. *)
  442. if [ "$channel" -lt 7 ]; then
  443. ibss_htmode="HT40+"
  444. else
  445. ibss_htmode="HT40-"
  446. fi
  447. ;;
  448. esac
  449. ;;
  450. esac
  451. [ "$auto_channel" -gt 0 ] && ibss_htmode="HT40+"
  452. ;;
  453. VHT80)
  454. ibss_htmode="80MHZ"
  455. ;;
  456. NONE|NOHT)
  457. ibss_htmode="NOHT"
  458. ;;
  459. *) ibss_htmode="" ;;
  460. esac
  461. }
  462. mac80211_setup_adhoc() {
  463. json_get_vars bssid ssid key mcast_rate
  464. keyspec=
  465. [ "$auth_type" = "wep" ] && {
  466. set_default key 1
  467. case "$key" in
  468. [1234])
  469. local idx
  470. for idx in 1 2 3 4; do
  471. json_get_var ikey "key$idx"
  472. [ -n "$ikey" ] && {
  473. ikey="$(($idx - 1)):$(prepare_key_wep "$ikey")"
  474. [ $idx -eq $key ] && ikey="d:$ikey"
  475. append keyspec "$ikey"
  476. }
  477. done
  478. ;;
  479. *)
  480. append keyspec "d:0:$(prepare_key_wep "$key")"
  481. ;;
  482. esac
  483. }
  484. brstr=
  485. for br in $basic_rate_list; do
  486. wpa_supplicant_add_rate brstr "$br"
  487. done
  488. mcval=
  489. [ -n "$mcast_rate" ] && wpa_supplicant_add_rate mcval "$mcast_rate"
  490. iw dev "$ifname" ibss join "$ssid" $freq $ibss_htmode fixed-freq $bssid \
  491. beacon-interval $beacon_int \
  492. ${brstr:+basic-rates $brstr} \
  493. ${mcval:+mcast-rate $mcval} \
  494. ${keyspec:+keys $keyspec}
  495. }
  496. mac80211_setup_vif() {
  497. local name="$1"
  498. local failed
  499. json_select data
  500. json_get_vars ifname
  501. json_select ..
  502. json_select config
  503. json_get_vars mode
  504. json_get_var vif_txpower txpower
  505. ip link set dev "$ifname" up || {
  506. wireless_setup_vif_failed IFUP_ERROR
  507. json_select ..
  508. return
  509. }
  510. set_default vif_txpower "$txpower"
  511. [ -z "$vif_txpower" ] || iw dev "$ifname" set txpower fixed "${vif_txpower%%.*}00"
  512. case "$mode" in
  513. mesh)
  514. # authsae or wpa_supplicant
  515. json_get_vars key
  516. if [ -n "$key" ]; then
  517. if [ -e "/lib/wifi/authsae.sh" ]; then
  518. . /lib/wifi/authsae.sh
  519. authsae_start_interface || failed=1
  520. else
  521. wireless_vif_parse_encryption
  522. mac80211_setup_supplicant || failed=1
  523. fi
  524. else
  525. json_get_vars mesh_id mcast_rate
  526. mcval=
  527. [ -n "$mcast_rate" ] && wpa_supplicant_add_rate mcval "$mcast_rate"
  528. case "$htmode" in
  529. VHT20|HT20) mesh_htmode=HT20;;
  530. HT40*|VHT40)
  531. case "$hwmode" in
  532. a)
  533. case "$(( ($channel / 4) % 2 ))" in
  534. 1) mesh_htmode="HT40+" ;;
  535. 0) mesh_htmode="HT40-";;
  536. esac
  537. ;;
  538. *)
  539. case "$htmode" in
  540. HT40+) mesh_htmode="HT40+";;
  541. HT40-) mesh_htmode="HT40-";;
  542. *)
  543. if [ "$channel" -lt 7 ]; then
  544. mesh_htmode="HT40+"
  545. else
  546. mesh_htmode="HT40-"
  547. fi
  548. ;;
  549. esac
  550. ;;
  551. esac
  552. ;;
  553. VHT80)
  554. mesh_htmode="80Mhz"
  555. ;;
  556. VHT160)
  557. mesh_htmode="160Mhz"
  558. ;;
  559. *) mesh_htmode="NOHT" ;;
  560. esac
  561. freq="$(get_freq "$phy" "$channel")"
  562. iw dev "$ifname" mesh join "$mesh_id" freq $freq $mesh_htmode \
  563. ${mcval:+mcast-rate $mcval} \
  564. beacon-interval $beacon_int
  565. fi
  566. for var in $MP_CONFIG_INT $MP_CONFIG_BOOL $MP_CONFIG_STRING; do
  567. json_get_var mp_val "$var"
  568. [ -n "$mp_val" ] && iw dev "$ifname" set mesh_param "$var" "$mp_val"
  569. done
  570. ;;
  571. adhoc)
  572. wireless_vif_parse_encryption
  573. mac80211_setup_adhoc_htmode
  574. if [ "$wpa" -gt 0 -o "$auto_channel" -gt 0 ]; then
  575. mac80211_setup_supplicant || failed=1
  576. else
  577. mac80211_setup_adhoc
  578. fi
  579. ;;
  580. sta)
  581. mac80211_setup_supplicant || failed=1
  582. ;;
  583. esac
  584. json_select ..
  585. [ -n "$failed" ] || wireless_add_vif "$name" "$ifname"
  586. }
  587. get_freq() {
  588. local phy="$1"
  589. local chan="$2"
  590. iw "$phy" info | grep -E -m1 "(\* ${chan:-....} MHz${chan:+|\\[$chan\\]})" | grep MHz | awk '{print $2}'
  591. }
  592. mac80211_interface_cleanup() {
  593. local phy="$1"
  594. for wdev in $(list_phy_interfaces "$phy"); do
  595. ip link set dev "$wdev" down 2>/dev/null
  596. iw dev "$wdev" del
  597. done
  598. }
  599. drv_mac80211_cleanup() {
  600. hostapd_common_cleanup
  601. }
  602. drv_mac80211_setup() {
  603. json_select config
  604. json_get_vars \
  605. phy macaddr path \
  606. country chanbw distance \
  607. txpower antenna_gain \
  608. rxantenna txantenna \
  609. frag rts beacon_int:100 htmode
  610. json_get_values basic_rate_list basic_rate
  611. json_select ..
  612. find_phy || {
  613. echo "Could not find PHY for device '$1'"
  614. wireless_set_retry 0
  615. return 1
  616. }
  617. wireless_set_data phy="$phy"
  618. mac80211_interface_cleanup "$phy"
  619. # convert channel to frequency
  620. [ "$auto_channel" -gt 0 ] || freq="$(get_freq "$phy" "$channel")"
  621. [ -n "$country" ] && {
  622. iw reg get | grep -q "^country $country:" || {
  623. iw reg set "$country"
  624. sleep 1
  625. }
  626. }
  627. hostapd_conf_file="/var/run/hostapd-$phy.conf"
  628. no_ap=1
  629. macidx=0
  630. staidx=0
  631. [ -n "$chanbw" ] && {
  632. for file in /sys/kernel/debug/ieee80211/$phy/ath9k/chanbw /sys/kernel/debug/ieee80211/$phy/ath5k/bwmode; do
  633. [ -f "$file" ] && echo "$chanbw" > "$file"
  634. done
  635. }
  636. set_default rxantenna all
  637. set_default txantenna all
  638. set_default distance 0
  639. set_default antenna_gain 0
  640. iw phy "$phy" set antenna $txantenna $rxantenna >/dev/null 2>&1
  641. iw phy "$phy" set antenna_gain $antenna_gain
  642. iw phy "$phy" set distance "$distance"
  643. [ -n "$frag" ] && iw phy "$phy" set frag "${frag%%.*}"
  644. [ -n "$rts" ] && iw phy "$phy" set rts "${rts%%.*}"
  645. has_ap=
  646. hostapd_ctrl=
  647. for_each_interface "ap" mac80211_check_ap
  648. rm -f "$hostapd_conf_file"
  649. [ -n "$has_ap" ] && mac80211_hostapd_setup_base "$phy"
  650. for_each_interface "sta adhoc mesh monitor" mac80211_prepare_vif
  651. for_each_interface "ap" mac80211_prepare_vif
  652. [ -n "$hostapd_ctrl" ] && {
  653. /usr/sbin/hostapd -s -P /var/run/wifi-$phy.pid -B "$hostapd_conf_file"
  654. ret="$?"
  655. wireless_add_process "$(cat /var/run/wifi-$phy.pid)" "/usr/sbin/hostapd" 1
  656. [ "$ret" != 0 ] && {
  657. wireless_setup_failed HOSTAPD_START_FAILED
  658. return
  659. }
  660. }
  661. for_each_interface "ap sta adhoc mesh monitor" mac80211_setup_vif
  662. wireless_set_up
  663. }
  664. list_phy_interfaces() {
  665. local phy="$1"
  666. if [ -d "/sys/class/ieee80211/${phy}/device/net" ]; then
  667. ls "/sys/class/ieee80211/${phy}/device/net" 2>/dev/null;
  668. else
  669. ls "/sys/class/ieee80211/${phy}/device" 2>/dev/null | grep net: | sed -e 's,net:,,g'
  670. fi
  671. }
  672. drv_mac80211_teardown() {
  673. wireless_process_kill_all
  674. json_select data
  675. json_get_vars phy
  676. json_select ..
  677. mac80211_interface_cleanup "$phy"
  678. }
  679. add_driver mac80211