[BACKPORT 22.03 v2 1/2] comgt-ncm: add support for quectel modem EC200T-EU

[Jan-Niklas Burfeind]

context_type is an integer mapping of pdptype:
1: IPV4
2: IPV6
3: IPV4V6

Signed-off-by: Jan-Niklas Burfeind <git at aiyionpri.me>
(cherry picked from commit 13f82ce264ed2d02c66cb2cae8f013c8f64a979f)
---
I sent the patch a few hours eatlier, but missed the development list.
Commit-ID changed as I wrongly changed the commit-title earlier.

Sorry for the noise Arınç and thanks to David.

 package/network/utils/comgt/files/ncm.json | 16 ++++++++++++++++
 package/network/utils/comgt/files/ncm.sh   |  6 ++++++
 2 files changed, 22 insertions(+)

diff --git a/package/network/utils/comgt/files/ncm.json b/package/network/utils/comgt/files/ncm.json
index b6ad717529..7d9a38fe36 100644
--- a/package/network/utils/comgt/files/ncm.json
+++ b/package/network/utils/comgt/files/ncm.json
@@ -75,6 +75,22 @@
 		"finalize": "AT+CGDATA=\\\"M-MBIM\\\",${profile},1",
 		"disconnect": "AT+CGACT=0,${profile}"
 	},
+	"quectel": {
+		"initialize": [
+			"AT+CFUN=1"
+		],
+		"configure": [
+			"at+qicsgp=${profile},${context_type},\\\"${apn}\\\",\\\"${username}\\\",\\\"${password}\\\",0"
+		],
+		"modes": {
+			"lte": "AT+QCFG=\\\"nwscanmode\\\",3",
+			"umts": "AT+QCFG=\\\"nwscanmode\\\",2",
+			"gsm": "AT+QCFG=\\\"nwscanmode\\\",1",
+			"auto": "AT+QCFG=\\\"nwscanmode\\\",0"
+		},
+		"connect": "AT+qnetdevctl=1,${profile},1",
+		"disconnect": "AT+qnetdevctl=0,${profile},0"
+	},
 	"\"zte": {
 		"initialize": [
 			"AT+CFUN=1"
diff --git a/package/network/utils/comgt/files/ncm.sh b/package/network/utils/comgt/files/ncm.sh
index a2c913ea1d..2f36697487 100644
--- a/package/network/utils/comgt/files/ncm.sh
+++ b/package/network/utils/comgt/files/ncm.sh
@@ -31,6 +31,8 @@ proto_ncm_setup() {
 	local device ifname  apn auth username password pincode delay mode pdptype profile $PROTO_DEFAULT_OPTIONS
 	json_get_vars device ifname apn auth username password pincode delay mode pdptype profile $PROTO_DEFAULT_OPTIONS
 
+	local context_type
+
 	[ "$metric" = "" ] && metric="0"
 
 	[ -n "$profile" ] || profile=1
@@ -38,6 +40,10 @@ proto_ncm_setup() {
 	pdptype=$(echo "$pdptype" | awk '{print toupper($0)}')
 	[ "$pdptype" = "IP" -o "$pdptype" = "IPV6" -o "$pdptype" = "IPV4V6" ] || pdptype="IP"
 
+	[ "$pdptype" = "IPV4V6" ] && context_type=3
+	[ -z "$context_type" -a "$pdptype" = "IPV6" ] && context_type=2
+	[ -n "$context_type" ] || context_type=1
+
 	[ -n "$ctl_device" ] && device=$ctl_device
 
 	[ -n "$device" ] || {
-- 
2.38.1