Support switching mesh radio on multi-radio devices (#847)

files/etc/config.mesh/_setup.default

@@ -1,3 +1,4 @@
+wifi_intf =
 wifi_proto = static
 wifi_ip = 10.<MAC2>
 wifi_mask = 255.0.0.0

files/usr/local/bin/mgr/lqm.lua

@@ -204,18 +204,13 @@ f:write('{"trackers":{},"hidden_nodes":[]}')
 f:close()
 
 -- Get radio
-local radioname = "radio0"
 local radiomode = "none"
-for i = 0,2
-do
-    if cursor:get("wireless", "@wifi-iface[" .. i .. "]", "network") == "wifi" then
-        radioname = cursor:get("wireless", "@wifi-iface[" .. i .. "]", "device")
-        radiomode = cursor:get("wireless", "@wifi-iface[" .. i .. "]", "mode")
-        break
-    end
+local wlan = aredn.hardware.get_iface_name("wifi")
+local phy = "none"
+if wlan:match("^wlan(%d+)$") then
+  phy = iwinfo.nl80211.phyname(wlan)
+  radiomode = "adhoc"
 end
-local phy = "phy" .. radioname:match("radio(%d+)")
-local wlan = aredn.hardware.get_board_network_ifname("wifi")
 
 function lqm()
 

files/usr/local/bin/node-setup

@@ -170,7 +170,9 @@ do
 end
 
 if cfg.wifi_enable == "1" then
-    cfg.wifi_intf = aredn.hardware.get_board_network_ifname("wifi"):match("^(%S+)")
+    if not cfg.wifi_intf or cfg.wifi_intf == "" then
+        cfg.wifi_intf = aredn.hardware.get_board_network_ifname("wifi"):match("^(%S+)")
+    end
 else
     cfg.wifi_intf = "br-nomesh"
 end

files/www/cgi-bin/setup

@@ -174,9 +174,8 @@ wan_mask = ""
 wan_gw = ""
 passwd1 = ""
 passwd2 = ""
+wifi_intf = ""
 
-local wifiintf = aredn.hardware.get_iface_name("wifi")
-local phy = iwinfo.nl80211.phyname(wifiintf)
 local phycount = tonumber(capture("ls -1d /sys/class/ieee80211/* | wc -l"):chomp())
 local radio_name = (aredn.hardware.get_radio() or {}).name or ""
 local M9model = radio_name:match("M9")
@@ -278,6 +277,11 @@ else
     end
 end
 
+if not wifi_intf or wifi_intf == "" then
+    wifi_intf = aredn.hardware.get_iface_name("wifi")
+end
+local phy = iwinfo.nl80211.phyname(wifi_intf)
+
 -- make sure everything we need is initialized
 local d0 = { "lan_dhcp", "olsrd_bridge", "wifi2_enable", "wifi_enable", "wifi3_enable", "dhcp_start", "dhcp_end" }
 for _, k in ipairs(d0)
@@ -341,8 +345,8 @@ parms.dmz_dhcp_limit = dmz_dhcp_end - dmz_dhcp_start + 1
 
 -- get the active wifi settings on a fresh page load
 if not parms.reload then
-    wifi_txpower = capture_and_match("iwinfo " .. wifiintf .. " info", "Tx%-Power: (%d+)")
-    local doesiwoffset = capture_and_match("iwinfo " .. wifiintf .. " info", "TX power offset: (%d+)")
+    wifi_txpower = capture_and_match("iwinfo " .. wifi_intf .. " info", "Tx%-Power: (%d+)")
+    local doesiwoffset = capture_and_match("iwinfo " .. wifi_intf .. " info", "TX power offset: (%d+)")
     if wifi_txpower then
         wifi_txpower = tonumber(wifi_txpower)
         if doesiwoffset then
@@ -421,7 +425,7 @@ if (parms.button_apply or parms.button_save) and wifi_enable == "1" then
             cursorb:commit("aredn")
         end
     end
-    os.execute("iw dev " .. wifiintf .. " set txpower fixed " .. wifi_txpower .. "00 >/dev/null 2>&1")
+    os.execute("iw dev " .. wifi_intf .. " set txpower fixed " .. wifi_txpower .. "00 >/dev/null 2>&1")
 end
 
 if parms.button_updatelocation then
@@ -521,12 +525,12 @@ if parms.button_save then
             err("invalid Mesh RF SSID")
         end
 
-        if wifiintf:match("^br") then
-            wifiintf = aredn.hardware.get_board_network_ifname("wifi")
-            phy = iwinfo.nl80211.phyname(wifiintf)
+        if wifi_intf:match("^br") then
+            wifi_intf = aredn.hardware.get_board_network_ifname("wifi")
+            phy = iwinfo.nl80211.phyname(wifi_intf)
         end
         local valid = false
-        for _, c in ipairs(aredn.hardware.get_rfchannels(wifiintf))
+        for _, c in ipairs(aredn.hardware.get_rfchannels(wifi_intf))
         do
             if c.number == wifi_channel then
                 valid = true
@@ -730,6 +734,9 @@ if parms.button_save then
         -- escape and limit description
         parms.description_node = parms.description_node:sub(1,210):gsub('"',"&quot;"):gsub("'","&apos;"):gsub("<","&lt;"):gsub(">","&gt;")
 
+        -- save the wifi interface
+        parms.wifi_intf = wifi_intf
+
         -- save_setup
         local f = io.open("/etc/config.mesh/_setup", "w")
         if f then
@@ -1037,14 +1044,14 @@ html.print([[
 
 -- reset wifi channel/bandwidth to default
 if phycount > 0 and (nixio.fs.stat("/etc/config/unconfigured") or parms.button_reset) then
-    local defaultwifi = aredn.hardware.get_default_channel(wifiintf)
+    local defaultwifi = aredn.hardware.get_default_channel(wifi_intf)
     wifi_channel = defaultwifi.channel
     wifi_chanbw = tostring(defaultwifi.bandwidth)
 end
 
 -- mesh rf settings
 html.print("<table width=100% style='border-collapse: collapse;'>")
-if phycount > 0 then
+if phycount == 1 then
     html.print("<tr><th colspan=2>Mesh RF (" .. (M3model and "3GHz" or M9model and "900MHz" or wifi_channel < 36 and "2GHz" or "5GHz") .. ")</th></tr>")
 else
     html.print("<tr><th colspan=2>Mesh</th></tr>")
@@ -1059,6 +1066,19 @@ if phycount > 0 then
         html.print(" checked")
     end
     html.print("></td></tr>")
+    if phycount > 1 then
+        local defaultwifi = aredn.hardware.get_default_channel(wifi_intf)
+        local alt_wifi = (not phy or phy == "phy0") and "wlan1" or "wlan0"
+        html.print("<tr><td>Band</td><td><select name=wifi_intf onChange='form.submit()'>")
+        if defaultwifi.channel == 149 then
+            html.print("<option value='" .. alt_wifi .. "'>2GHz</option>")
+            html.print("<option value='" .. wifi_intf .. "' selected>5GHz</option>")
+        else
+            html.print("<option value='" .. wifi_intf .. "' selected>2GHz</option>")
+            html.print("<option value='" .. alt_wifi .. "'>5GHz</option>")
+        end
+        html.print("</select></td></tr>")
+    end
 end
 html.print("<tr><td><nobr>IP Address</nobr></td><td><input type=text size=15 name=wifi_ip value='" .. wifi_ip .. "'></td></tr><tr><td>Netmask</td><td><input type=text size=15 name=wifi_mask value='" .. wifi_mask  .. "'></td></tr>")
 
@@ -1066,7 +1086,7 @@ if wifi_enable == "1" then
     html.print("<tr><td>SSID</td><td><input type=text size=15 name=wifi_ssid value='" .. wifi_ssid .. "'>-" .. wifi_chanbw .. "-v3</td></tr>")
     hidden[#hidden + 1] = "<input type=hidden name=wifi_mode value='" .. wifi_mode .. "'>"
     html.print("<tr><td>Channel</td><td><select name=wifi_channel>")
-    local rfchannels = aredn.hardware.get_rfchannels(wifiintf)
+    local rfchannels = aredn.hardware.get_rfchannels(wifi_intf)
     table.sort(rfchannels, function(a, b) return a.number < b.number end)
     for _, chan in ipairs(rfchannels)
     do
@@ -1075,7 +1095,7 @@ if wifi_enable == "1" then
     html.print("</select>&nbsp;&nbsp;<a href='/help.html#channel' target='_blank'><img src='/qmark.png'></a></td></tr>")
 
     html.print("<tr><td>Channel Width</td><td><select name=wifi_chanbw>")
-    for _, width in ipairs(aredn.hardware.get_rfbandwidths(wifiintf))
+    for _, width in ipairs(aredn.hardware.get_rfbandwidths(wifi_intf))
     do
         html.print("<option value='" .. width .. "'".. (wifi_chanbw == tostring(width) and " selected" or "") .. ">" .. width .. " MHz</option>")
     end
@@ -1089,7 +1109,7 @@ if wifi_enable == "1" then
         html.print("<tr><th colspan=2 align=center><hr><small>Power &amp; Distance</small></th></tr>")
     end
     html.print("<tr><td><nobr>Tx Power</nobr></td><td><select name=wifi_txpower>")
-    local txpoweroffset = aredn.hardware.wifi_poweroffset(wifiintf)
+    local txpoweroffset = aredn.hardware.wifi_poweroffset(wifi_intf)
     for i = aredn.hardware.wifi_maxpower(wifi_channel),1,-1
     do
         html.print("<option value='" .. i .. "'".. (i == tonumber(wifi_txpower) and " selected" or "") .. ">" .. (txpoweroffset + i) .. " dBm</option>")