Add some missing 802.11n capabilities to the hostapd ht_capab string when
supported by the hardware: Spatial Multiplexing Power-Save,
Delayed Block Ack, and 7935-byte AMSDUs.
Signed-off-by: Robert Hancock <hancock...@gmail.com>
---
.../kernel/mac80211/files/lib/netifd/wireless/mac80211.sh | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh
b/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh
index 1a85d15..93da360 100644
--- a/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh
+++ b/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh
@@ -42,6 +42,9 @@ drv_mac80211_init_device_config() {
greenfield \
short_gi_20 \
short_gi_40 \
+ smps \
+ delayed_ba \
+ max_amsdu \
dsss_cck_40
}
@@ -130,8 +133,11 @@ mac80211_hostapd_setup_base() {
greenfield:0 \
short_gi_20:1 \
short_gi_40:1 \
+ smps:1 \
tx_stbc:1 \
rx_stbc:3 \
+ delayed_ba:1 \
+ max_amsdu:1 \
dsss_cck_40:1
ht_cap_mask=0
@@ -139,6 +145,8 @@ mac80211_hostapd_setup_base() {
ht_cap_mask="$(($ht_cap_mask | $cap))"
done
+ cap_smps=$((($ht_cap_mask >> 2) & 3))
+
cap_rx_stbc=$((($ht_cap_mask >> 8) & 3))
[ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc="$rx_stbc"
ht_cap_mask="$(( ($ht_cap_mask & ~(0x300)) | ($cap_rx_stbc <<
8) ))"
@@ -152,8 +160,14 @@ mac80211_hostapd_setup_base() {
RX-STBC1:0x300:0x100:1 \
RX-STBC12:0x300:0x200:1 \
RX-STBC123:0x300:0x300:1 \
+ DELAYED-BA:0x400::$delayed_ba \
+ MAX-AMSDU-7935:0x800::$max_amsdu \
DSSS_CCK-40:0x1000::$dsss_cck_40
+ # SM Power Save: 0=static, 1=dynamic, 3=disabled
+ [ "$smps" = 1 -a "$cap_smps" = 0 ] &&
ht_capab_flags="$ht_capab_flags[SMPS-STATIC]"
+ [ "$smps" = 1 -a "$cap_smps" = 1 ] &&
ht_capab_flags="$ht_capab_flags[SMPS-DYNAMIC]"
+
ht_capab="$ht_capab$ht_capab_flags"
[ -n "$ht_capab" ] && append base_cfg "ht_capab=$ht_capab" "$N"
}
--
2.1.0
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