package/tailscale: add missing config fixups

There are a number of kernel config fixups required for tailscale to
function properly, these are commonly enabled by default in various
kernel configs but lets make sure they are all enabled here as well.

Signed-off-by: James Hilliard <james.hilliard1@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/tailscale/tailscale.mk

@@ -28,6 +28,19 @@ endef
 TAILSCALE_POST_INSTALL_TARGET_HOOKS += TAILSCALE_INSTALL_SYMLINK
 
 define TAILSCALE_LINUX_CONFIG_FIXUPS
+	$(call KCONFIG_ENABLE_OPT,CONFIG_IPV6)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_IPV6_MULTIPLE_TABLES)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_NETFILTER)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_NETFILTER_NETLINK)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_NFT_CT)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_NFT_MASQ)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_NFT_NAT)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_NF_CONNTRACK)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_NF_NAT)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_NF_TABLES)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_NF_TABLES_INET)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_NF_TABLES_IPV4)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_NF_TABLES_IPV6)
 	$(call KCONFIG_ENABLE_OPT,CONFIG_TUN)
 endef