mac80211: add automatic ht40 mode handling for 2.4 ghz
[openwrt.git] / package / kernel / mac80211 / files / lib / netifd / wireless / mac80211.sh
index 24b7615..2910088 100644 (file)
@@ -17,18 +17,32 @@ MP_CONFIG_STRING="mesh_power_mode"
 drv_mac80211_init_device_config() {
        hostapd_common_add_device_config
 
-       config_add_string path phy macaddr
+       config_add_string path phy 'macaddr:macaddr'
        config_add_string hwmode
        config_add_int beacon_int chanbw frag rts
-       config_add_int rxantenna txantenna antenna_gain txpower
+       config_add_int rxantenna txantenna antenna_gain txpower distance
        config_add_boolean noscan
        config_add_array ht_capab
+       config_add_boolean \
+               rxldpc \
+               short_gi_80 \
+               short_gi_160 \
+               tx_stbc_2by1 \
+               su_beamformer \
+               su_beamformee \
+               mu_beamformer \
+               mu_beamformee \
+               vht_txop_ps \
+               htc_vht \
+               rx_antenna_pattern \
+               tx_antenna_pattern
+       config_add_int vht_max_mpdu vht_max_rx_stbc vht_link_adapt vht160
 }
 
 drv_mac80211_init_iface_config() {
        hostapd_common_add_bss_config
 
-       config_add_string macaddr ifname
+       config_add_string 'macaddr:macaddr' ifname
 
        config_add_boolean wds powersave
        config_add_int maxassoc
@@ -36,11 +50,31 @@ drv_mac80211_init_iface_config() {
        config_add_int dtim_interval
 
        # mesh
+       config_add_string mesh_id
        config_add_int $MP_CONFIG_INT
        config_add_boolean $MP_CONFIG_BOOL
        config_add_string $MP_CONFIG_STRING
 }
 
+mac80211_add_capabilities() {
+       local __var="$1"; shift
+       local __mask="$1"; shift
+       local __out= oifs
+
+       oifs="$IFS"
+       IFS=:
+       for capab in "$@"; do
+               set -- $capab
+
+               [ "$(($4))" -gt 0 ] || continue
+               [ "$(($__mask & $2))" -eq "$((${3:-$2}))" ] || continue
+               __out="$__out[$1]"
+       done
+       IFS="$oifs"
+
+       export -n -- "$__var=$__out"
+}
+
 mac80211_hostapd_setup_base() {
        local phy="$1"
 
@@ -52,15 +86,182 @@ mac80211_hostapd_setup_base() {
                json_get_vars noscan htmode
                json_get_values ht_capab_list ht_capab
 
-               append base_cfg "ieee80211n=1" "$N"
-
+               ieee80211n=1
                ht_capab=
-               [ -n "$htmode" ] && ht_capab="[$htmode]"
-               for cap in $ht_capab_list; do
-                       ht_capab="$ht_capab[$cap]"
-               done
+               case "$htmode" in
+                       HT20) ;;
+                       HT40*|VHT40|VHT80|VHT160)
+                               case "$hwmode" in
+                                       a)
+                                               case "$(( ($channel / 4) % 2 ))" in
+                                                       1) ht_capab="[HT40+]";;
+                                                       0) ht_capab="[HT40-]";;
+                                               esac
+                                       ;;
+                                       *)
+                                               case "$htmode" in
+                                                       HT40+) ht_capab="[HT40+]";;
+                                                       HT40-) ht_capab="[HT40-]";;
+                                                       *)
+                                                               if [ "$channel" -lt 7 ]; then
+                                                                       ht_capab="[HT40+]"
+                                                               else
+                                                                       ht_capab="[HT40-]"
+                                                               fi
+                                                       ;;
+                                               esac
+                                       ;;
+                               esac
+                       ;;
+                       *) ieee80211n= ;;
+               esac
+
+               [ -n "$ieee80211n" ] && {
+                       append base_cfg "ieee80211n=1" "$N"
+
+                       json_get_vars \
+                               ldpc:1 \
+                               greenfield:1 \
+                               short_gi_20:1 \
+                               short_gi_40:1 \
+                               tx_stbc:1 \
+                               rx_stbc:3 \
+                               dsss_cck_40:1
+
+                       ht_cap_mask=0
+                       for cap in $(iw phy "$phy" info | grep 'Capabilities:' | cut -d: -f2); do
+                               ht_cap_mask="$(($ht_cap_mask | $cap))"
+                       done
+
+                       cap_rx_stbc=$((($ht_cap_mask >> 8) & 3))
+                       [ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc="$rx_stbc"
+                       ht_cap_mask="$(( ($ht_cap_mask & ~(0x300)) | ($cap_rx_stbc << 8) ))"
+
+                       mac80211_add_capabilities ht_capab_flags $ht_cap_mask \
+                               LDPC:0x1::$ldpc \
+                               GF:0x10::$greenfield \
+                               SHORT-GI-20:0x20::$short_gi_20 \
+                               SHORT-GI-40:0x40::$short_gi_40 \
+                               TX-STBC:0x80::$max_tx_stbc \
+                               RX-STBC1:0x300:0x100:1 \
+                               RX-STBC12:0x300:0x200:1 \
+                               RX-STBC123:0x300:0x300:1 \
+                               DSSS_CCK-40:0x1000::$dsss_cck_40
+
+                       [ -n "$ht_capab" ] && append base_cfg "ht_capab=$ht_capab$ht_capab_flags" "$N"
+               }
 
-               [ -n "$ht_capab" ] && append base_cfg "ht_capab=$ht_capab" "$N"
+               # 802.11ac
+               enable_ac=0
+               idx="$channel"
+               case "$htmode" in
+                       VHT40)
+                               case "$(( ($channel / 4) % 2 ))" in
+                                       1) idx=$(($channel + 2));;
+                                       0) idx=$(($channel - 2));;
+                               esac
+                               enable_ac=1
+                               append base_cfg "vht_oper_chwidth=0" "$N"
+                               append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
+                       ;;
+                       VHT80)
+                               case "$(( ($channel / 4) % 2 ))" in
+                                       1) idx=$(($channel + 6));;
+                                       2) idx=$(($channel + 2));;
+                                       3) idx=$(($channel - 2));;
+                                       0) idx=$(($channel - 6));;
+                               esac
+                               enable_ac=1
+                               append base_cfg "vht_oper_chwidth=1" "$N"
+                               append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
+                       ;;
+                       VHT160)
+                               case "$channel" in
+                                       36|40|44|48|52|56|60|64) idx=50;;
+                                       100|104|108|112|116|120|124|128) idx=114;;
+                               esac
+                               enable_ac=1
+                               append base_cfg "vht_oper_chwidth=2" "$N"
+                               append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
+                       ;;
+               esac
+
+               if [ "$enable_ac" != "0" ]; then
+                       json_get_vars \
+                               rxldpc:1 \
+                               short_gi_80:1 \
+                               short_gi_160:1 \
+                               tx_stbc_2by1:1 \
+                               su_beamformer:1 \
+                               su_beamformee:1 \
+                               mu_beamformer:1 \
+                               mu_beamformee:1 \
+                               vht_txop_ps:1 \
+                               htc_vht:1 \
+                               rx_antenna_pattern:1 \
+                               tx_antenna_pattern:1 \
+                               vht_max_mpdu:11454 \
+                               rx_stbc:4 \
+                               vht_link_adapt:3 \
+                               vht160:2
+
+                       append base_cfg "ieee80211ac=1" "$N"
+                       vht_cap=0
+                       for cap in $(iw phy "$phy" info | awk -F "[()]" '/VHT Capabilities/ { print $2 }'); do
+                               vht_cap="$(($vht_cap | $cap))"
+                       done
+
+                       cap_rx_stbc=$((($vht_cap >> 8) & 7))
+                       [ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc="$rx_stbc"
+                       ht_cap_mask="$(( ($vht_cap & ~(0x700)) | ($cap_rx_stbc << 8) ))"
+
+                       mac80211_add_capabilities vht_capab $vht_cap \
+                               RXLDPC:0x10::$rxldpc \
+                               SHORT-GI-80:0x20::$short_gi_80 \
+                               SHORT-GI-160:0x40::$short_gi_160 \
+                               TX-STBC-2BY1:0x80::$tx_stbc \
+                               SU-BEAMFORMER:0x800::$su_beamformer \
+                               SU-BEAMFORMEE:0x1000::$su_beamformee \
+                               MU-BEAMFORMER:0x80000::$mu_beamformer \
+                               MU-BEAMFORMEE:0x100000::$mu_beamformee \
+                               VHT-TXOP-PS:0x200000::$vht_txop_ps \
+                               HTC-VHT:0x400000::$htc_vht \
+                               RX-ANTENNA-PATTERN:0x10000000::$rx_antenna_pattern \
+                               TX-ANTENNA-PATTERN:0x20000000::$tx_antenna_pattern \
+                               RX-STBC1:0x700:0x100:1 \
+                               RX-STBC12:0x700:0x200:1 \
+                               RX-STBC123:0x700:0x300:1 \
+                               RX-STBC1234:0x700:0x400:1 \
+
+                       # supported Channel widths
+                       vht160_hw=0
+                       [ "$(($vht_cap & 12))" -eq 4 -a 1 -le "$vht160" ] && \
+                               vht160_hw=1
+                       [ "$(($vht_cap & 12))" -eq 8 -a 2 -le "$vht160" ] && \
+                               vht160_hw=2
+                       [ "$vht160_hw" = 1 ] && vht_capab="$vht_capab[VHT160]"
+                       [ "$vht160_hw" = 2 ] && vht_capab="$vht_capab[VHT160-80PLUS80]"
+
+                       # maximum MPDU length
+                       vht_max_mpdu_hw=3895
+                       [ "$(($vht_cap & 3))" -ge 1 -a 7991 -le "$vht_max_mpdu" ] && \
+                               vht_max_mpdu_hw=7991
+                       [ "$(($vht_cap & 3))" -ge 2 -a 11454 -le "$vht_max_mpdu" ] && \
+                               vht_max_mpdu_hw=11454
+                       [ "$vht_max_mpdu_hw" != 3895 ] && \
+                               vht_capab="$vht_capab[MAX-MPDU-$vht_max_mpdu_hw]"
+
+                       # whether or not the STA supports link adaptation using VHT variant
+                       vht_link_adapt_hw=0
+                       [ "$(($vht_cap & 201326592))" -ge 134217728 -a 2 -le "$vht_link_adapt" ] && \
+                               vht_link_adapt_hw=2
+                       [ "$(($vht_cap & 201326592))" -ge 201326592 -a 3 -le "$vht_link_adapt" ] && \
+                               vht_link_adapt_hw=3
+                       [ "$vht_link_adapt_hw" != 0 ] && \
+                               vht_capab="$vht_capab[VHT-LINK-ADAPT-$vht_link_adapt_hw]"
+
+                       [ -n "$vht_capab" ] && append base_cfg "vht_capab=$vht_capab" "$N"
+               fi
        }
 
        hostapd_prepare_device_config "$hostapd_conf_file" nl80211
@@ -85,6 +286,8 @@ mac80211_hostapd_setup_bss() {
        hostapd_set_bss_options hostapd_cfg "$vif" || return 1
        json_get_vars wds dtim_period max_listen_int
 
+       set_default wds 0
+
        [ "$wds" -gt 0 ] && append hostapd_cfg "wds_sta=1" "$N"
        [ "$staidx" -gt 0 ] && append hostapd_cfg "start_disabled=1" "$N"
 
@@ -239,7 +442,7 @@ mac80211_setup_supplicant() {
 }
 
 mac80211_setup_adhoc() {
-       json_get_vars bssid ssid basic_rate key
+       json_get_vars bssid ssid key mcast_rate
 
        keyspec=
        [ "$auth_type" == "wep" ] && {
@@ -264,7 +467,7 @@ mac80211_setup_adhoc() {
        }
 
        brstr=
-       for br in $basic_rate; do
+       for br in $basic_rate_list; do
                hostapd_add_rate brstr "$br"
        done
 
@@ -280,6 +483,7 @@ mac80211_setup_adhoc() {
 
 mac80211_setup_vif() {
        local name="$1"
+       local failed
 
        json_select data
        json_get_vars ifname
@@ -304,7 +508,19 @@ mac80211_setup_vif() {
                                json_get_var mp_val "$var"
                                [ -n "$mp_val" ] && iw dev "$ifname" set mesh_param "$var" "$mp_val"
                        done
-                       # todo: authsae
+
+                       # authsae
+                       json_get_vars key
+                       if [ -n "$key" ]; then
+                               if [ -e "/lib/wifi/authsae.sh" ]; then
+                                       . /lib/wifi/authsae.sh
+                                       authsae_start_interface || failed=1
+                               else
+                                       wireless_setup_vif_failed AUTHSAE_NOT_INSTALLED
+                                       json_select ..
+                                       return
+                               fi
+                       fi
                ;;
                adhoc)
                        wireless_vif_parse_encryption
@@ -350,6 +566,7 @@ drv_mac80211_setup() {
                txpower antenna_gain \
                rxantenna txantenna \
                frag rts beacon_int
+       json_get_values basic_rate_list basic_rate
        json_select ..
 
        find_phy || {