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mac80211: simplify HT40 handling, derive lower/upper channel mode automatically from channel index 

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 40680
lede-17.01
Felix Fietkau 2014-05-03 18:38:09 +00:00
parent 0c2f0c6a3b
commit 24791e0dd8
1 changed files with 12 additions and 25 deletions
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37
package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh
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@ -71,11 +71,10 @@ mac80211_hostapd_setup_base() {
ht_capab=
case "$htmode" in
HT20|HT40-|HT40+) ht_capab="[$htmode]";;
VHT40|VHT80|VHT160)
case "$channel" in
36|44|52|60|100|108|116|124|132|140|149|157) ht_capab="[HT40+]";;
40|48|56|64|104|112|120|128|136|144|153|161) ht_capab="[HT40-]";;
HT40*|VHT40|VHT80|VHT160)
case "$(( ($channel / 4) % 2 ))" in
1) ht_capab="[HT40+]";;
0) ht_capab="[HT40-]";;
esac
;;
esac
@ -90,32 +89,20 @@ mac80211_hostapd_setup_base() {
idx="$channel"
case "$htmode" in
VHT40)
case "$channel" in
36|40) idx=38;;
44|48) idx=42;;
52|56) idx=54;;
60|64) idx=58;;
100|104) idx=102;;
108|112) idx=110;;
116|120) idx=118;;
124|128) idx=126;;
132|136) idx=134;;
140|144) idx=142;;
149|153) idx=151;;
157|161) idx=159;;
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" in
36|40|44|48) idx=42;;
52|56|60|64) idx=58;;
100|104|108|112) idx=106;;
116|120|124|128) idx=122;;
132|136|140|144) idx=138;;
149|153|157|161) idx=155;;
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"