From 58bda3a0e158f93929c41fcce0849c835581b77e Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Sat, 3 May 2014 18:38:20 +0000 Subject: [PATCH] mac80211: clean up ht capability handling, drop the use of the ht_capab list, use individual variables instead Signed-off-by: Felix Fietkau SVN-Revision: 40682 --- .../files/lib/netifd/wireless/mac80211.sh | 56 +++++++++++++++++-- .../mac80211/files/lib/wifi/mac80211.sh | 21 +------ 2 files changed, 52 insertions(+), 25 deletions(-) diff --git a/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh b/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh index c96b4a353b..4f859a73e7 100644 --- a/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh +++ b/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh @@ -56,6 +56,25 @@ drv_mac80211_init_iface_config() { 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="$1" @@ -80,13 +99,40 @@ mac80211_hostapd_setup_base() { *) ieee80211n= ;; esac - [ -n "$ieee80211n" ] && append base_cfg "ieee80211n=1" "$N" + [ -n "$ieee80211n" ] && { + append base_cfg "ieee80211n=1" "$N" - for cap in $ht_capab_list; do - ht_capab="$ht_capab[$cap]" - done + 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 | $cap))" + done - [ -n "$ht_capab" ] && append base_cfg "ht_capab=$ht_capab" "$N" + 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" + } # 802.11ac enable_ac=0 diff --git a/package/kernel/mac80211/files/lib/wifi/mac80211.sh b/package/kernel/mac80211/files/lib/wifi/mac80211.sh index e299ab939f..1f69b47193 100644 --- a/package/kernel/mac80211/files/lib/wifi/mac80211.sh +++ b/package/kernel/mac80211/files/lib/wifi/mac80211.sh @@ -71,26 +71,7 @@ detect_mac80211() { channel="11" htmode="" - ht_cap=0 - for cap in $(iw phy "$dev" info | grep 'Capabilities:' | cut -d: -f2); do - ht_cap="$(($ht_cap | $cap))" - done - ht_capab=""; - [ "$ht_cap" -gt 0 ] && { - mode_11n="n" - htmode="HT20" - - list=" list ht_capab" - [ "$(($ht_cap & 1))" -eq 1 ] && append ht_capab "$list LDPC" "$N" - [ "$(($ht_cap & 16))" -eq 16 ] && append ht_capab "$list GF" "$N" - [ "$(($ht_cap & 32))" -eq 32 ] && append ht_capab "$list SHORT-GI-20" "$N" - [ "$(($ht_cap & 64))" -eq 64 ] && append ht_capab "$list SHORT-GI-40" "$N" - [ "$(($ht_cap & 128))" -eq 128 ] && append ht_capab "$list TX-STBC" "$N" - [ "$(($ht_cap & 768))" -eq 256 ] && append ht_capab "$list RX-STBC1" "$N" - [ "$(($ht_cap & 768))" -eq 512 ] && append ht_capab "$list RX-STBC12" "$N" - [ "$(($ht_cap & 768))" -eq 768 ] && append ht_capab "$list RX-STBC123" "$N" - [ "$(($ht_cap & 4096))" -eq 4096 ] && append ht_capab "$list DSSS_CCK-40" "$N" - } + iw phy "$dev" info | grep -q 'Capabilities:' && htmode=HT20 iw phy "$dev" info | grep -q '2412 MHz' || { mode_band="a"; channel="36"; } vht_cap=$(iw phy "$dev" info | grep -c 'VHT Capabilities') -- 2.25.1