738d610209
This patch adds a chat script and makes some modifications to /lib/network/3g.sh to enable seamless use of CDMA/EVDO modems in addition to the existing GPRS/UMTS support. Modifications to 3g.sh are: - Added 'chat' variable to point at the appropriate script - Added 'evdo' and 'cdma' as acceptable 'service' values, and skip the whole gcom initialization bit - Changed pppd connection speed from 460800 to more widely supported 115200; in my experience, this is not your actual connection speed, but at what speed pppd sends setup commands to the interface. This kinda eliminates the need for /etc/ppp/3g.connect - I think I've replaced that functionality, but in a slightly more standardized method, using the 'connect' variable understood by PPP. Signed-off-by: RB<aoz.syn@gmail.com> SVN-Revision: 10347
94 lines
2 KiB
Bash
94 lines
2 KiB
Bash
set_3g_led() {
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grep WRT54G3G /proc/diag/model >/dev/null || return 0
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echo "$1" > /proc/diag/led/3g_green
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echo "$2" > /proc/diag/led/3g_blue
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echo "$3" > /proc/diag/led/3g_blink
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}
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scan_3g() {
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local device
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scan_ppp "$@"
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config_get device "$1" device
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# try to figure out the device if it's invalid
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[ -n "$device" -a -e "$device" ] || {
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for device in /dev/ttyUSB2 /dev/tts/2 /dev/usb/tts/0 /dev/noz0; do
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[ -e "$device" ] && {
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config_set "$1" device "$device"
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break
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}
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done
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}
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# enable 3G with the 3G button by default
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config_get button "$1" button
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[ -z "$button" ] && {
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config_set "$1" button 1
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}
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}
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stop_interface_3g() {
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set_3g_led 0 0 0
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killall gcom >/dev/null 2>/dev/null
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}
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setup_interface_3g() {
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local iface="$1"
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local config="$2"
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local chat="/etc/chatscripts/3g.chat"
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config_get device "$config" device
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for module in slhc ppp_generic ppp_async; do
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/sbin/insmod $module 2>&- >&-
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done
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config_get apn "$cfg" apn
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config_get service "$cfg" service
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config_get pincode "$cfg" pincode
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config_get mtu "$cfg" mtu
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set_3g_led 1 0 1
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# figure out hardware specific commands for the card
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case "$service" in
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cdma|evdo) chat="/etc/chatscripts/evdo.chat";;
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*)
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if gcom -d "$device" -s /etc/gcom/getcardinfo.gcom | grep Novatel 2>/dev/null >/dev/null; then
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case "$service" in
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umts_only) CODE=2;;
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gprs_only) CODE=1;;
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*) CODE=0;;
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esac
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mode="AT\$NWRAT=${CODE},2"
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else
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case "$service" in
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umts_only) CODE=1;;
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gprs_only) CODE=0;;
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*) CODE=3;;
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esac
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mode="AT_OPSYS=${CODE}"
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fi
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PINCODE="$pincode" gcom -d "$device" -s /etc/gcom/setpin.gcom || {
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echo "$cfg(3g): Failed to set the PIN code."
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set_3g_led 0 0 0
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return 1
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}
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MODE="$mode" gcom -d "$device" -s /etc/gcom/setmode.gcom
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esac
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set_3g_led 1 0 0
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config_set "$config" "connect" "${apn:+USE_APN=$apn }/usr/sbin/chat -t5 -f $chat"
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start_pppd "$config" \
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noaccomp \
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nopcomp \
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novj \
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nobsdcomp \
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noauth \
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lock \
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crtscts \
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${mtu:+mtu $mtu mru $mtu} \
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115200 "$device"
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}
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