base-files: add network_get_uptime() to /lib/functions/network.sh

Add missing ubus api call for uptime value.

Signed-off-by: Florian Eckert <fe@dev.tdt.de>
(cherry picked from commit 9e780ed5f7b834e06ec5c82323731917aef4ee53)

package/base-files/Makefile

@@ -12,7 +12,7 @@ include $(INCLUDE_DIR)/version.mk
 include $(INCLUDE_DIR)/feeds.mk
 
 PKG_NAME:=base-files
-PKG_RELEASE:=200
+PKG_RELEASE:=201
 PKG_FLAGS:=nonshared
 
 PKG_FILE_DEPENDS:=$(PLATFORM_DIR)/ $(GENERIC_PLATFORM_DIR)/base-files/

package/base-files/files/lib/functions/network.sh

@@ -271,6 +271,11 @@ network_is_up()
 # 2: interface
 network_get_protocol() { __network_ifstatus "$1" "$2" ".proto"; }
 
+# determine the uptime of the given logical interface
+# 1: destination variable
+# 2: interface
+network_get_uptime() { __network_ifstatus "$1" "$2" ".uptime"; }
+
 # determine the metric of the given logical interface
 # 1: destination variable
 # 2: interface