[openwrt/openwrt] netifd: add loglevel config option (fixes #18001)

[LEDE Commits]

robimarko pushed a commit to openwrt/openwrt.git, branch main:
https://git.openwrt.org/168d5affc3bd1aa07ce0b36ed417e6e4fa6f4a20

commit 168d5affc3bd1aa07ce0b36ed417e6e4fa6f4a20
Author: Peter Meiser <peter.meiser at gmx.com>
AuthorDate: Sun Aug 10 10:05:32 2025 +0200

    netifd: add loglevel config option (fixes #18001)
    
    Add netifd_loglevel to /etc/config/network:
    
    config globals 'globals'
            option netifd_loglevel '1'
    
    The netifd's default value is 2.
    
    Signed-off-by: Peter Meiser <peter.meiser at gmx.com>
    Link: https://github.com/openwrt/openwrt/pull/19737
    Signed-off-by: Robert Marko <robimarko at gmail.com>
---
 package/network/config/netifd/files/etc/init.d/network | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/package/network/config/netifd/files/etc/init.d/network b/package/network/config/netifd/files/etc/init.d/network
index b8b2a219b1..6df43be1ac 100755
--- a/package/network/config/netifd/files/etc/init.d/network
+++ b/package/network/config/netifd/files/etc/init.d/network
@@ -15,8 +15,11 @@ init_switch() {
 start_service() {
 	init_switch
 
+	validate_netifd_loglevel
+
 	procd_open_instance
 	procd_set_param command /sbin/netifd
+	procd_append_param command -l ${netifd_loglevel}
 	procd_set_param respawn
 	procd_set_param watch network.interface
 	[ -e /proc/sys/kernel/core_pattern ] && {
@@ -39,6 +42,12 @@ stop_service() {
 	sleep 1
 }
 
+validate_netifd_loglevel()
+{
+	uci_validate_section network "globals" "globals" \
+		'netifd_loglevel:uinteger:2'
+}
+
 validate_atm_bridge_section()
 {
 	uci_validate_section network "atm-bridge" "${1}" \