network: Assign "static" MAC addresses to QMI interfaces

[ipfire-2.x.git] / src / initscripts / networking / functions.network

diff --git a/src/initscripts/networking/functions.network b/src/initscripts/networking/functions.network
index 9698424fd1ccb0ceac2de51389a0a76e7e3708bb..e8f6c28d81b00f1ba694511daa81d519395313a4 100644 (file)
--- a/src/initscripts/networking/functions.network
+++ b/src/initscripts/networking/functions.network
@@ -179,7 +179,7 @@ qmi_find_device() {
        local path
        for path in /dev/cdc-*; do
                if [ -c "${path}" ]; then
-                       _intf="$(qmicli --device="${path}" --device-open-proxy --get-wwan-iface)"
+                       _intf="$(qmi_find_interface "${path}")"
 
                        # Check if the interface matches
                        if [ "${intf}" = "${_intf}" ]; then
@@ -193,6 +193,12 @@ qmi_find_device() {
        return 1
 }
 
+qmi_find_interface() {
+       local device="${1}"
+
+       qmicli --device="${device}" --device-open-proxy --get-wwan-iface
+}
+
 qmi_enable_rawip_mode() {
        local intf="${1}"
 
@@ -259,3 +265,19 @@ qmi_reset() {
        qmicli --device="${device}" --device-open-proxy \
                --wds-reset
 }
+
+# Assigns a "static" MAC address
+qmi_assign_address() {
+       local intf="${1}"
+
+       # Find the device
+       local device="$(qmi_find_device "${intf}")"
+
+       local address
+
+       # Generate a "random" MAC address using the device number
+       printf -v address "02:ff:ff:ff:ff:%02x" "${device:12}"
+
+       # Change the MAC address
+       ip link set "${intf}" address "${address}"
+}