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authorNick Lowe <nick.lowe@gmail.com>2017-03-27 10:50:23 +0100
committerFelix Fietkau <nbd@nbd.name>2017-05-03 13:58:23 +0200
commited62d91f4b5296a4aa883ce975d76f590ef4e910 (patch)
treefef68ad213d45f53f8262d2e2045bfc2d98e68dd /package/network/services/hostapd
parent41feba8c4aa33ca3c6fa7c1a6c3224aae02440a7 (diff)
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hostapd: add legacy_rates option to disable 802.11b data rates.
Setting legacy_rates to 0 disables 802.11b data rates. Setting legacy_rates to 1 enables 802.11b data rates. (Default) The basic_rate option and supported_rates option are filtered based on this. The rationale for the change, stronger now than in 2014, can be found in: https://mentor.ieee.org/802.11/dcn/14/11-14-0099-00-000m-renewing-2-4ghz-band.pptx The balance of equities between compatibility with b clients and the detriment to the 2.4 GHz ecosystem as a whole strongly favors disabling b rates by default. Signed-off-by: Nick Lowe <nick.lowe@gmail.com> Signed-off-by: Felix Fietkau <nbd@nbd.name> [cleanup, defaults change]
Diffstat (limited to 'package/network/services/hostapd')
-rw-r--r--package/network/services/hostapd/files/hostapd.sh28
1 files changed, 20 insertions, 8 deletions
diff --git a/package/network/services/hostapd/files/hostapd.sh b/package/network/services/hostapd/files/hostapd.sh
index 988ebc7757..6fb902e376 100644
--- a/package/network/services/hostapd/files/hostapd.sh
+++ b/package/network/services/hostapd/files/hostapd.sh
@@ -64,6 +64,7 @@ hostapd_common_add_device_config() {
config_add_string country
config_add_boolean country_ie doth
config_add_string require_mode
+ config_add_boolean legacy_rates
hostapd_add_log_config
}
@@ -75,12 +76,15 @@ hostapd_prepare_device_config() {
local base="${config%%.conf}"
local base_cfg=
- json_get_vars country country_ie beacon_int doth require_mode
+ json_get_vars country country_ie beacon_int doth require_mode legacy_rates
hostapd_set_log_options base_cfg
set_default country_ie 1
set_default doth 1
+ set_default legacy_rates 1
+
+ [ "$hwmode" = "b" ] && legacy_rates=1
[ -n "$country" ] && {
append base_cfg "country_code=$country" "$N"
@@ -88,25 +92,33 @@ hostapd_prepare_device_config() {
[ "$country_ie" -gt 0 ] && append base_cfg "ieee80211d=1" "$N"
[ "$hwmode" = "a" -a "$doth" -gt 0 ] && append base_cfg "ieee80211h=1" "$N"
}
- [ -n "$hwmode" ] && append base_cfg "hw_mode=$hwmode" "$N"
local brlist= br
json_get_values basic_rate_list basic_rate
- for br in $basic_rate_list; do
- hostapd_add_rate brlist "$br"
- done
+ local rlist= r
+ json_get_values rate_list supported_rates
+
+ [ -n "$hwmode" ] && append base_cfg "hw_mode=$hwmode" "$N"
+ [ "$legacy_rates" -eq 0 ] && set_default require_mode g
+
+ [ "$hwmode" = "g" ] && {
+ [ "$legacy_rates" -eq 0 ] && set_default rate_list "6000 9000 12000 18000 24000 36000 48000 54000"
+ [ -n "$require_mode" ] && set_default basic_rate_list "6000 12000 24000"
+ }
+
case "$require_mode" in
- g) brlist="60 120 240" ;;
n) append base_cfg "require_ht=1" "$N";;
ac) append base_cfg "require_vht=1" "$N";;
esac
- local rlist= r
- json_get_values rate_list supported_rates
for r in $rate_list; do
hostapd_add_rate rlist "$r"
done
+ for br in $basic_rate_list; do
+ hostapd_add_rate brlist "$br"
+ done
+
[ -n "$rlist" ] && append base_cfg "supported_rates=$rlist" "$N"
[ -n "$brlist" ] && append base_cfg "basic_rates=$brlist" "$N"
[ -n "$beacon_int" ] && append base_cfg "beacon_int=$beacon_int" "$N"