kernel: add option for BPF_STREAM_PARSER and XDP_SOCKETS_DIAG

Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org>

config/Config-kernel.in

@@ -476,6 +476,11 @@ config KERNEL_BPF_KPROBE_OVERRIDE
 	depends on KERNEL_KPROBES
 	default n
 
+config KERNEL_BPF_STREAM_PARSER
+	bool "Allow a TCP stream parser to be used with BPF_MAP_TYPE_SOCKMAP"
+	depends on KERNEL_CGROUP_BPF
+	default y if KERNEL_DEBUG_INFO_BTF
+
 config KERNEL_AIO
 	bool "Compile the kernel with asynchronous IO support"
 	default y if !SMALL_FLASH

package/kernel/linux/modules/netsupport.mk

@@ -1411,13 +1411,30 @@ define KernelPackage/inet-diag
 endef
 
 define KernelPackage/inet-diag/description
-Support for INET (TCP, DCCP, etc) socket monitoring interface used by
+  Support for INET (TCP, DCCP, etc) socket monitoring interface used by
-native Linux tools such as ss.
+  native Linux tools such as ss.
 endef
 
 $(eval $(call KernelPackage,inet-diag))
 
 
+define KernelPackage/xdp-sockets-diag
+  SUBMENU:=$(NETWORK_SUPPORT_MENU)
+  TITLE:=PF_XDP sockets monitoring interface support for ss utility
+  KCONFIG:= \
+	CONFIG_XDP_SOCKETS=y \
+	CONFIG_XDP_SOCKETS_DIAG
+  FILES:=$(LINUX_DIR)/net/xdp/xsk_diag.ko
+  AUTOLOAD:=$(call AutoLoad,31,xsk_diag)
+endef
+
+define KernelPackage/xdp-sockets-diag/description
+ Support for PF_XDP sockets monitoring interface used by the ss tool
+endef
+
+$(eval $(call KernelPackage,xdp-sockets-diag))
+
+
 define KernelPackage/wireguard
   SUBMENU:=$(NETWORK_SUPPORT_MENU)
   TITLE:=WireGuard secure network tunnel

target/linux/generic/config-5.15

@@ -725,7 +725,6 @@ CONFIG_BPF_JIT=y
 # CONFIG_BPF_JIT_ALWAYS_ON is not set
 CONFIG_BPF_JIT_DEFAULT_ON=y
 # CONFIG_BPF_PRELOAD is not set
-# CONFIG_BPF_STREAM_PARSER is not set
 CONFIG_BPF_SYSCALL=y
 CONFIG_BPF_UNPRIV_DEFAULT_OFF=y
 # CONFIG_BPQETHER is not set

target/linux/generic/config-6.1

@@ -757,7 +757,6 @@ CONFIG_BPF_JIT=y
 # CONFIG_BPF_JIT_ALWAYS_ON is not set
 CONFIG_BPF_JIT_DEFAULT_ON=y
 # CONFIG_BPF_PRELOAD is not set
-# CONFIG_BPF_STREAM_PARSER is not set
 CONFIG_BPF_SYSCALL=y
 CONFIG_BPF_UNPRIV_DEFAULT_OFF=y
 # CONFIG_BPQETHER is not set

target/linux/generic/hack-5.15/901-debloat_sock_diag.patch

@@ -160,3 +160,13 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
  	default n
  	help
  	  Support for UNIX socket monitoring interface used by the ss tool.
+--- a/net/xdp/Kconfig
++++ b/net/xdp/Kconfig
+@@ -10,6 +10,7 @@ config XDP_SOCKETS
+ config XDP_SOCKETS_DIAG
+ 	tristate "XDP sockets: monitoring interface"
+ 	depends on XDP_SOCKETS
++	select SOCK_DIAG
+ 	default n
+ 	help
+ 	  Support for PF_XDP sockets monitoring interface used by the ss tool.

target/linux/generic/hack-6.1/901-debloat_sock_diag.patch

@@ -162,3 +162,13 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
  	default n
  	help
  	  Support for UNIX socket monitoring interface used by the ss tool.
+--- a/net/xdp/Kconfig
++++ b/net/xdp/Kconfig
+@@ -10,6 +10,7 @@ config XDP_SOCKETS
+ config XDP_SOCKETS_DIAG
+ 	tristate "XDP sockets: monitoring interface"
+ 	depends on XDP_SOCKETS
++	select SOCK_DIAG
+ 	default n
+ 	help
+ 	  Support for PF_XDP sockets monitoring interface used by the ss tool.