licheervnano: add iptables & nftables support

build/boards/cv181x/cv1812cp_licheerv_nano_sd/linux/cvitek_cv1812cp_licheerv_nano_sd_defconfig

@@ -304,6 +304,97 @@ CONFIG_SERIAL_DEV_CTRL_TTYPORT=y
 CONFIG_SWAP=y
 CONFIG_USB_CONFIGFS_EEM=y
 CONFIG_USB_GADGET_VBUS_DRAW=500
+CONFIG_IPV6=y
+# CONFIG_IPV6_SIT is not set
+CONFIG_NETFILTER=y
+CONFIG_NETFILTER_ADVANCED=y
+CONFIG_NET_IPIP=y
+CONFIG_BRIDGE=y
+CONFIG_INET_DIAG=y
+CONFIG_INET_UDP_DIAG=y
+CONFIG_INET_RAW_DIAG=y
+CONFIG_INET_DIAG_DESTROY=y
+CONFIG_IP_NF_IPTABLES=y
+CONFIG_NF_TABLES=y
+CONFIG_NF_TABLES_INET=y
+CONFIG_NF_TABLES_NETDEV=y
+CONFIG_NFT_NUMGEN=y
+CONFIG_NFT_COUNTER=y
+CONFIG_NFT_LOG=y
+CONFIG_NFT_LIMIT=y
+CONFIG_NFT_TUNNEL=y
+CONFIG_NFT_OBJREF=y
+CONFIG_NFT_QUOTA=y
+CONFIG_NFT_REJECT=y
+CONFIG_NFT_COMPAT=y
+CONFIG_NFT_HASH=y
+CONFIG_NFT_SOCKET=y
+CONFIG_NFT_OSF=y
+CONFIG_NFT_TPROXY=y
+CONFIG_NF_DUP_NETDEV=y
+CONFIG_NFT_DUP_NETDEV=y
+CONFIG_NFT_FWD_NETDEV=y
+CONFIG_NF_CONNTRACK=y
+CONFIG_IP_NF_NAT=y
+CONFIG_IP_NF_TARGET_MASQUERADE=y
+CONFIG_IP_NF_TARGET_NETMAP=y
+CONFIG_IP_NF_TARGET_REDIRECT=y
+CONFIG_IP6_NF_IPTABLES=y
+CONFIG_IP6_NF_NAT=y
+CONFIG_IP6_NF_TARGET_MASQUERADE=y
+CONFIG_IP6_NF_TARGET_NPT=y
+CONFIG_NETFILTER_NETLINK_ACCT=y
+CONFIG_NETFILTER_NETLINK_QUEUE=y
+CONFIG_NETFILTER_NETLINK_LOG=y
+CONFIG_NF_LOG_NETDEV=y
+CONFIG_NF_CONNTRACK_MARK=y
+CONFIG_NF_CONNTRACK_ZONES=y
+CONFIG_NF_CONNTRACK_EVENTS=y
+CONFIG_NF_CONNTRACK_TIMEOUT=y
+CONFIG_NF_CONNTRACK_TIMESTAMP=y
+CONFIG_NF_CONNTRACK_LABELS=y
+CONFIG_NF_CT_NETLINK=y
+CONFIG_NF_CT_NETLINK_TIMEOUT=y
+CONFIG_NETFILTER_NETLINK_GLUE_CT=y
+CONFIG_NF_CT_NETLINK_HELPER=y
+CONFIG_NFT_CT=y
+CONFIG_NFT_CONNLIMIT=y
+CONFIG_NFT_MASQ=y
+CONFIG_NFT_REDIR=y
+CONFIG_NFT_NAT=y
+CONFIG_NFT_QUEUE=y
+CONFIG_NFT_SYNPROXY=y
+CONFIG_NF_FLOW_TABLE=y
+CONFIG_NF_FLOW_TABLE_INET=y
+CONFIG_NFT_DUP_IPV4=y
+CONFIG_NFT_FIB_IPV4=y
+CONFIG_NF_TABLES_ARP=y
+CONFIG_NF_FLOW_TABLE_IPV4=y
+CONFIG_NF_LOG_IPV4=y
+CONFIG_NF_LOG_ARP=y
+CONFIG_IP_NF_FILTER=y
+CONFIG_IP_NF_TARGET_REJECT=y
+CONFIG_IP_NF_TARGET_SYNPROXY=y
+CONFIG_IP_NF_MANGLE=y
+CONFIG_IP_NF_TARGET_CLUSTERIP=y
+CONFIG_IP_NF_TARGET_ECN=y
+CONFIG_IP_NF_TARGET_TTL=y
+CONFIG_IP_NF_RAW=y
+CONFIG_IP_NF_ARPTABLES=y
+CONFIG_IP_NF_ARPFILTER=y
+CONFIG_IP_NF_ARP_MANGLE=y
+CONFIG_IP6_NF_FILTER=y
+CONFIG_IP6_NF_TARGET_REJECT=y
+CONFIG_IP6_NF_TARGET_SYNPROXY=y
+CONFIG_IP6_NF_MANGLE=y
+CONFIG_IP6_NF_RAW=y
+CONFIG_NF_DUP_IPV6=y
+CONFIG_NFT_DUP_IPV6=y
+CONFIG_NFT_FIB_IPV6=y
+CONFIG_NF_CONNTRACK_BRIDGE=y
+CONFIG_PACKET_DIAG=y
+CONFIG_UNIX_DIAG=y
+CONFIG_NETLINK_DIAG=y
 
 # these driver broken tpu driver
 # CONFIG_CIFS is not set

buildroot-2021.05/configs/cvitek_CV181X_musl_riscv64_defconfig

@@ -512,3 +512,6 @@ BR2_PACKAGE_BLUEZ_ALSA_HCITOP=y
 BR2_PACKAGE_BLUEZ_ALSA_RFCOMM=y
 # BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set
 BR2_PACKAGE_PARTED=y
+BR2_PACKAGE_IPTABLES=y
+BR2_PACKAGE_IPTABLES_NFTABLES=y
+BR2_PACKAGE_NFTABLES=y