package/comgt/files/3g.sh

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