package/comgt/files/3g.sh

   1 set_3g_led() {
   2         # set on WRT54G3G only
   3         [ -f /proc/diag/model ] || return 0
   4         grep -q "WRT54G3G" /proc/diag/model >/dev/null || return 0
   5         echo "$1" > /proc/diag/led/3g_green
   6         echo "$2" > /proc/diag/led/3g_blue
   7         grep -q "WRT54G3G$" /proc/diag/model >/dev/null || return 0
   8         echo "$3" > /proc/diag/led/3g_blink
   9 }
  10
  11 scan_3g() {
  12         local device
  13         config_get device "$1" device
  14
  15         # try to figure out the device if it's invalid
  16         [ -n "$device" -a -e "$device" ] || {
  17                 for device in /dev/ttyUSB0 /dev/ttyUSB1 /dev/ttyUSB2 /dev/tts/2 /dev/usb/tts/0 /dev/noz0; do
  18                         [ -e "$device" ] && {
  19                                 config_set "$1" device "$device"
  20                                 break
  21                         }
  22                 done
  23         }
  24
  25         # enable 3G with the 3G button by default
  26         local button
  27         config_get button "$1" button
  28         [ -z "$button" ] && {
  29                 config_set "$1" button 1
  30         }
  31 }
  32
  33 stop_interface_3g() {
  34         stop_interface_ppp "$1"
  35         set_3g_led 0 0 0
  36         killall gcom >/dev/null 2>/dev/null
  37 }
  38
  39 setup_interface_3g() {
  40         local iface="$1"
  41         local config="$2"
  42         local chat="/etc/chatscripts/3g.chat"
  43
  44         local device
  45         config_get device "$config" device
  46
  47         local maxwait
  48         config_get maxwait "$config" maxwait
  49         maxwait=${maxwait:-20}
  50         while [ ! -e "$device" -a $maxwait -gt 0 ];do # wait for driver loading to catch up
  51                 maxwait=$(($maxwait - 1))
  52                 sleep 1
  53         done
  54
  55         for module in slhc ppp_generic ppp_async; do
  56                 /sbin/insmod $module 2>&- >&-
  57         done
  58
  59         local apn
  60         config_get apn "$config" apn
  61
  62         local service
  63         config_get service "$config" service
  64
  65         local pincode
  66         config_get pincode "$config" pincode
  67
  68         local mtu
  69         config_get mtu "$config" mtu
  70
  71         set_3g_led 1 0 1
  72
  73         # figure out hardware specific commands for the card
  74         case "$service" in
  75                 cdma|evdo) chat="/etc/chatscripts/evdo.chat";;
  76         *)
  77                 cardinfo=$(gcom -d "$device" -s /etc/gcom/getcardinfo.gcom)
  78                 if echo "$cardinfo" | grep Novatel; then
  79                         case "$service" in
  80                                 umts_only) CODE=2;;
  81                                 gprs_only) CODE=1;;
  82                                 *) CODE=0;;
  83                         esac
  84                         mode="AT\$NWRAT=${CODE},2"
  85                 elif echo "$cardinfo" | grep Option; then
  86                         case "$service" in
  87                                 umts_only) CODE=1;;
  88                                 gprs_only) CODE=0;;
  89                                 *) CODE=3;;
  90                         esac
  91                         mode="AT_OPSYS=${CODE}"
  92                 fi
  93                 # Don't assume Option to be default as it breaks with Huawei Cards/Sticks
  94
  95                 test -z "$pincode" || {
  96                         PINCODE="$pincode" gcom -d "$device" -s /etc/gcom/setpin.gcom || {
  97                                 echo "$config(3g): Failed to set the PIN code."
  98                                 set_3g_led 0 0 0
  99                                 return 1
 100                         }
 101                 }
 102                 test -z "$mode" || {
 103                         MODE="$mode" gcom -d "$device" -s /etc/gcom/setmode.gcom
 104                 }
 105         esac
 106         set_3g_led 1 0 0
 107
 108         config_set "$config" "connect" "${apn:+USE_APN=$apn }/usr/sbin/chat -t5 -v -E -f $chat"
 109         start_pppd "$config" \
 110                 noaccomp \
 111                 nopcomp \
 112                 novj \
 113                 nobsdcomp \
 114                 noauth \
 115                 lock \
 116                 crtscts \
 117                 ${mtu:+mtu $mtu mru $mtu} \
 118                 115200 "$device"
 119 }