Merge branch 'CR_2809_Net_Status_detection_samin.guo' into 'jh7110-devel'

CR2809： Support IP automatic release

See merge request sdk/buildroot!89

package/ifplugd/0006-add-eth1.patch

@@ -0,0 +1,12 @@
+diff -purN ifplugd-0.28.orig/conf/ifplugd.conf ifplugd-0.28/conf/ifplugd.conf
+--- ifplugd-0.28.orig/conf/ifplugd.conf	2003-12-12 01:58:43.000000000 +0800
++++ ifplugd-0.28/conf/ifplugd.conf	2022-12-06 16:37:58.939672090 +0800
+@@ -30,7 +30,7 @@
+ # according to /proc/net/dev. Note that the list of interfaces
+ # appearing in /proc/net/dev may depend on which kernel modules you
+ # have loaded.
+-INTERFACES="eth0"
++INTERFACES="eth0 eth1"
+
+ # Additional parameters for ifplugd.
+ # (Run "ifplugd -h" for further information.)

package/ifupdown-scripts/ifupdown-scripts.mk

@@ -18,8 +18,21 @@ define IFUPDOWN_SCRIPTS_LOCALHOST
 endef
 
 IFUPDOWN_SCRIPTS_DHCP_IFACE = $(call qstrip,$(BR2_SYSTEM_DHCP))
+IFUPDOWN_SCRIPTS_DHCP_HOTPLUG = $(call qstrip,$(BR2_PACKAGE_IFPLUGD))
 
 ifneq ($(IFUPDOWN_SCRIPTS_DHCP_IFACE),)
+ifneq ($(IFUPDOWN_SCRIPTS_DHCP_HOTPLUG),)
+define IFUPDOWN_SCRIPTS_DHCP
+	( \
+		echo ; \
+		echo "allow-hotplug $(IFUPDOWN_SCRIPTS_DHCP_IFACE)"; \
+		echo "iface $(IFUPDOWN_SCRIPTS_DHCP_IFACE) inet dhcp"; \
+		echo "  pre-up /etc/network/nfs_check"; \
+		echo "  wait-delay 15"; \
+		echo "  hostname \$$(hostname)"; \
+	) >> $(TARGET_DIR)/etc/network/interfaces
+endef
+else
 define IFUPDOWN_SCRIPTS_DHCP
 	( \
 		echo ; \
@@ -30,6 +43,7 @@ define IFUPDOWN_SCRIPTS_DHCP
 		echo "  hostname \$$(hostname)"; \
 	) >> $(TARGET_DIR)/etc/network/interfaces
 endef
+endif
 define IFUPDOWN_SCRIPTS_DHCP_OPENRC
 	echo "ifup $(IFUPDOWN_SCRIPTS_DHCP_IFACE)" \
 		> $(TARGET_DIR)/etc/ifup.$(IFUPDOWN_SCRIPTS_DHCP_IFACE)
@@ -38,6 +52,41 @@ define IFUPDOWN_SCRIPTS_DHCP_OPENRC
 endef
 endif
 
+IFUPDOWN_SCRIPTS_DHCP_DUAL_IFACE = $(call qstrip,$(BR2_SYSTEM_DHCP_DUAL))
+IFUPDOWN_SCRIPTS_DHCP_DUAL_IFACE_HOTPLUG = $(call qstrip,$BR2_PACKAGE_IFPLUGD))
+
+ifneq ($(IFUPDOWN_SCRIPTS_DHCP_DUAL_IFACE),)
+ifneq ($(IFUPDOWN_SCRIPTS_DHCP_DUAL_IFACE_HOTPLUG),)
+define IFUPDOWN_SCRIPTS_DHCP_DUAL
+	( \
+		echo ; \
+		echo "allow-hotplug $(IFUPDOWN_SCRIPTS_DHCP_DUAL_IFACE)"; \
+		echo "iface $(IFUPDOWN_SCRIPTS_DHCP_DUAL_IFACE) inet dhcp"; \
+		echo "  pre-up /etc/network/nfs_check"; \
+		echo "  wait-delay 15"; \
+		echo "  hostname \$$(hostname)"; \
+	) >> $(TARGET_DIR)/etc/network/interfaces
+endef
+else
+define IFUPDOWN_SCRIPTS_DHCP_DUAL
+	( \
+		echo ; \
+		echo "auto $(IFUPDOWN_SCRIPTS_DHCP_DUAL_IFACE)"; \
+		echo "iface $(IFUPDOWN_SCRIPTS_DHCP_DUAL_IFACE) inet dhcp"; \
+		echo "  pre-up /etc/network/nfs_check"; \
+		echo "  wait-delay 15"; \
+		echo "  hostname \$$(hostname)"; \
+	) >> $(TARGET_DIR)/etc/network/interfaces
+endef
+endif
+define IFUPDOWN_SCRIPTS_DHCP_DUAL_OPENRC
+	echo "ifup $(IFUPDOWN_SCRIPTS_DHCP_DUAL_IFACE)" \
+		> $(TARGET_DIR)/etc/ifup.$(IFUPDOWN_SCRIPTS_DHCP_DUAL_IFACE)
+	echo "ifdown $(IFUPDOWN_SCRIPTS_DHCP_DUAL_IFACE)" \
+		> $(TARGET_DIR)/etc/ifdown.$(IFUPDOWN_SCRIPTS_DHCP_DUAL_IFACE)
+endef
+endif
+
 define IFUPDOWN_SCRIPTS_INSTALL_TARGET_CMDS
 	$(INSTALL) -m 0755 -D $(IFUPDOWN_SCRIPTS_PKGDIR)/nfs_check \
 		$(TARGET_DIR)/etc/network/nfs_check
@@ -48,6 +97,8 @@ define IFUPDOWN_SCRIPTS_INSTALL_INIT_OPENRC
 	$(IFUPDOWN_SCRIPTS_PREAMBLE)
 	$(IFUPDOWN_SCRIPTS_DHCP)
 	$(IFUPDOWN_SCRIPTS_DHCP_OPENRC)
+	$(IFUPDOWN_SCRIPTS_DHCP_DUAL)
+	$(IFUPDOWN_SCRIPTS_DHCP_DUAL_OPENRC)
 endef
 
 define IFUPDOWN_SCRIPTS_INSTALL_INIT_SYSV
@@ -56,6 +107,7 @@ define IFUPDOWN_SCRIPTS_INSTALL_INIT_SYSV
 	$(IFUPDOWN_SCRIPTS_PREAMBLE)
 	$(IFUPDOWN_SCRIPTS_LOCALHOST)
 	$(IFUPDOWN_SCRIPTS_DHCP)
+	$(IFUPDOWN_SCRIPTS_DHCP_DUAL)
 endef
 
 # ifupdown-scripts can not be selected when systemd-networkd is
@@ -67,6 +119,7 @@ define IFUPDOWN_SCRIPTS_INSTALL_INIT_SYSTEMD
 	$(IFUPDOWN_SCRIPTS_PREAMBLE)
 	$(IFUPDOWN_SCRIPTS_LOCALHOST)
 	$(IFUPDOWN_SCRIPTS_DHCP)
+	$(IFUPDOWN_SCRIPTS_DHCP_DUAL)
 endef
 
 $(eval $(generic-package))

system/Config.in

@@ -403,6 +403,21 @@ config BR2_SYSTEM_DHCP
 	  overwrite /etc/network/interfaces or add a networkd
 	  configuration file.
 
+config BR2_SYSTEM_DHCP_DUAL
+	string "Dual Network interface for the 2nd to configure through DHCP"
+	default ""
+	depends on BR2_PACKAGE_BUSYBOX || BR2_PACKAGE_IFUPDOWN || \
+		BR2_PACKAGE_SYSTEMD_NETWORKD
+	help
+	  Enter here the name of the network interface (E.G. eth1) to
+	  automatically configure through DHCP at bootup.
+
+	  If left empty, no automatic DHCP requests will take place.
+
+	  For more complicated network setups use an overlay to
+	  overwrite /etc/network/interfaces or add a networkd
+	  configuration file.
+
 comment "automatic network configuration via DHCP needs ifupdown or busybox or networkd or netifrc"
 	depends on !(BR2_PACKAGE_BUSYBOX || BR2_PACKAGE_IFUPDOWN || \
 		BR2_PACKAGE_SYSTEMD_NETWORKD || BR2_PACKAGE_NETIFRC)