They can be modified with AND/OR/XOR/SET operations as configured
by the netlink configuration interface known e.g. from iptables.
+config CAN_ETH_GW
+ tristate "CAN/UDP Gateway"
+ depends on CAN && CAN_RAW && INET
+ default N
+ ---help---
+ The CAN/UDP Gateway is used to route CAN frames to UDP sockets and
+ vice versa. To use and configure the gateway, a user-space utility
+ is needed.
+
source "drivers/net/can/Kconfig"