fff-wireless: add layer3 option for channel bandwidth
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It might be desired by the user to change the channel width of the wireless radios. Implement a layer3 option to make channel width configurable by the user. Fixes: #276 Signed-off-by: Fabian Bläse <fabian@blaese.de>
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@ -5,6 +5,22 @@ configure() {
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essid=$(uci -q get gateway.@client[0].essid)
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chan2ghz=$(uci -q get gateway.@client[0].chan2ghz)
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chan5ghz=$(uci -q get gateway.@client[0].chan5ghz)
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width2ghz=$(uci -q get gateway.@client[0].width2ghz || echo 20)
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width5ghz=$(uci -q get gateway.@client[0].width5ghz || echo 20)
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if [ "$width2ghz" != 20 ] && [ "$width2ghz" != 40 ]; then
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echo "ERROR: Invalid 2.4 GHz channel width: $width2ghz. Only 20 and 40 MHz are possible."
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return 1
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fi
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if [ "$width5ghz" != 20 ] && [ "$width5ghz" != 40 ] && [ "$width5ghz" != 80 ]; then
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echo "ERROR: Invalid 5 GHz channel width: $width5ghz. Only 20, 40 and 80 MHz are possible."
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return 1
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fi
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if [ "$width2ghz" == 40 ]; then
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echo "WARNING: Using 40 MHz channel width on 2.4 GHz is highly discouraged and will probably result in worse throughput"
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fi
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if [ -z "$essid" ]; then
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echo "WARNING: No ESSID set! WiFi AP is disabled"
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@ -18,23 +34,33 @@ configure() {
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uci -q del wireless.w${freq}mesh
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uci -q del wireless.w${freq}configap
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# Get htmode
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ht=$(uci -q get wireless.${radio}.htmode)
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if [ -n "$essid" ]; then
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# set channel for 5ghz
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# set channel and bandwidth for 5ghz
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if [ "$freq" = "5" ]; then
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if ! echo "$ht" | grep -q VHT && [ "$width5ghz" == 80 ]; then
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echo "ERROR: 5 GHz radio does not support 80 MHz channel width"
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return 1
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fi
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if [ -z "$chan5ghz" ]; then
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echo "WARNING: No 5 GHz channel set! Disabling AP on $radio"
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else
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uci set wireless.${radio}.channel="$chan5ghz"
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uci set wireless.${radio}.htmode="${ht%%HT*}HT${width5ghz}"
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disabled=0
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fi
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fi
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# set channel for 2.4ghz
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# set channel and bandwidth for 2.4ghz
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if [ "$freq" = "2" ]; then
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if [ -z "$chan2ghz" ]; then
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echo "WARNING: No 2.4 GHz channel set! Disabling AP on $radio"
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else
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uci set wireless.${radio}.channel="$chan2ghz"
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uci set wireless.${radio}.htmode="${ht%%HT*}HT${width2ghz}"
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disabled=0
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fi
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fi
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