kernel: add MultiPath TCP diag kernel module

Add INET diag socket monitoring interface module for MultiPath TCP.
It allows using native Linux socket diagnostic tools such as 'ss' for
Multipath TCP connections.

Co-authored-by: Rodrigo B. de Sousa Martins <rodrigo.sousa.577@gmail.com>
Signed-off-by: sKy King <29267720+sKyissKy@users.noreply.github.com>
Link: https://github.com/openwrt/openwrt/pull/12884
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Daniel Golle <daniel@makrotopia.org>

diff --git a/package/kernel/linux/modules/netsupport.mk b/package/kernel/linux/modules/netsupport.mk
index 02d8329720e2e535aad0a753d3bd8ad8eb2fca8a..9f349d34ee229b40aeea5497f2b99c07d5cb5e8e 100644 (file)
--- a/package/kernel/linux/modules/netsupport.mk
+++ b/package/kernel/linux/modules/netsupport.mk
@@ -1494,6 +1494,23 @@ endef
 $(eval $(call KernelPackage,inet-diag))
 
 
+define KernelPackage/inet-mptcp-diag
+  SUBMENU:=$(NETWORK_SUPPORT_MENU)
+  TITLE:=INET diag support for MultiPath TCP
+  DEPENDS:=@KERNEL_MPTCP +kmod-inet-diag
+  KCONFIG:=CONFIG_INET_MPTCP_DIAG
+  FILES:=$(LINUX_DIR)/net/mptcp/mptcp_diag.ko
+  AUTOLOAD:=$(call AutoProbe,mptcp_diag)
+endef
+
+define KernelPackage/inet-mptcp-diag/description
+Support for INET (MultiPath TCP) socket monitoring interface used by
+native Linux tools such as ss.
+endef
+
+$(eval $(call KernelPackage,inet-mptcp-diag))
+
+
 define KernelPackage/xdp-sockets-diag
   SUBMENU:=$(NETWORK_SUPPORT_MENU)
   TITLE:=PF_XDP sockets monitoring interface support for ss utility