From 03692dee736b98ba419d4e21e82819f93b637256 Mon Sep 17 00:00:00 2001
From: Lech Perczak <lech.perczak@gmail.com>
Date: Mon, 19 Jul 2021 21:16:08 +0200
Subject: umbim: restructure IPv4/IPv6 handling

Check whether interface is configured per IP type, not per DHCP. This is
preparation to allow fallback to DHCP if static IP configuration is not
available, which is the default option for MBIM modems

Signed-off-by: Lech Perczak <lech.perczak@gmail.com>
---
 .../utils/umbim/files/lib/netifd/proto/mbim.sh     | 54 ++++++++++------------
 1 file changed, 25 insertions(+), 29 deletions(-)

(limited to 'package')

diff --git a/package/network/utils/umbim/files/lib/netifd/proto/mbim.sh b/package/network/utils/umbim/files/lib/netifd/proto/mbim.sh
index e7866340ae..9af5b69ac1 100755
--- a/package/network/utils/umbim/files/lib/netifd/proto/mbim.sh
+++ b/package/network/utils/umbim/files/lib/netifd/proto/mbim.sh
@@ -171,15 +171,15 @@ _proto_mbim_setup() {
 
 	local zone="$(fw3 -q network "$interface" 2>/dev/null)"
 
-	if [ -z "$dhcp" -o "$dhcp" = 0 ]; then
-		echo "mbim[$$]" "Setting up $ifname"
-		eval $(umbim $DBG -n -t $tid -d $device config | sed 's/: /=/g')
-		tid=$((tid + 1))
+	echo "mbim[$$]" "Setting up $ifname"
+	eval $(umbim $DBG -n -t $tid -d $device config | sed 's/: /=/g')
+	tid=$((tid + 1))
 
-		proto_init_update "$ifname" 1
-		proto_send_update "$interface"
+	proto_init_update "$ifname" 1
+	proto_send_update "$interface"
 
-		[ "$iptype" != "ipv6" ] && {
+	[ "$iptype" != "ipv6" ] && {
+		if [ -z "$dhcp" -o "$dhcp" = 0 ]; then
 			json_init
 			json_add_string name "${interface}_4"
 			json_add_string ifname "@$interface"
@@ -195,9 +195,21 @@ _proto_mbim_setup() {
 			[ -n "$zone" ] && json_add_string zone "$zone"
 			json_close_object
 			ubus call network add_dynamic "$(json_dump)"
-		}
+		else
+			echo "mbim[$$]" "Starting DHCP on $ifname"
+			json_init
+			json_add_string name "${interface}_4"
+			json_add_string ifname "@$interface"
+			json_add_string proto "dhcp"
+			proto_add_dynamic_defaults
+			[ -n "$zone" ] && json_add_string zone "$zone"
+			json_close_object
+			ubus call network add_dynamic "$(json_dump)"
+		fi
+	}
 
-		[ "$iptype" != "ipv4" ] && {
+	[ "$iptype" != "ipv4" ] && {
+		if [ -z "$dhcp" -o "$dhcp" = 0 ]; then
 			json_init
 			json_add_string name "${interface}_6"
 			json_add_string ifname "@$interface"
@@ -213,24 +225,8 @@ _proto_mbim_setup() {
 			[ -n "$zone" ] && json_add_string zone "$zone"
 			json_close_object
 			ubus call network add_dynamic "$(json_dump)"
-		}
-	else
-		echo "mbim[$$]" "Starting DHCP on $ifname"
-		proto_init_update "$ifname" 1
-		proto_send_update "$interface"
-
-		[ "$pdptype" = "ipv4" -o "$pdptype" = "ipv4v6" ] && {
-			json_init
-			json_add_string name "${interface}_4"
-			json_add_string ifname "@$interface"
-			json_add_string proto "dhcp"
-			proto_add_dynamic_defaults
-			[ -n "$zone" ] && json_add_string zone "$zone"
-			json_close_object
-			ubus call network add_dynamic "$(json_dump)"
-		}
-
-		[ "$pdptype" = "ipv6" -o "$pdptype" = "ipv4v6" ] && {
+		else
+			echo "mbim[$$]" "Starting DHCPv6 on $ifname"
 			json_init
 			json_add_string name "${interface}_6"
 			json_add_string ifname "@$interface"
@@ -240,8 +236,8 @@ _proto_mbim_setup() {
 			[ -n "$zone" ] && json_add_string zone "$zone"
 			json_close_object
 			ubus call network add_dynamic "$(json_dump)"
-		}
-	fi
+		fi
+	}
 
 	uci_set_state network $interface tid "$tid"
 }
-- 
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