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31 lines
972 B
OCaml
31 lines
972 B
OCaml
(* Copyright (C) 2015, Thomas Leonard <thomas.leonard@unikernel.com>
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See the README file for details. *)
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(** Routing packets to the right network interface. *)
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open Utils
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type t
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(** A routing table. *)
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val create :
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client_eth:Client_eth.t ->
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default_gateway:interface ->
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t
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(** [create ~client_eth ~default_gateway] is a new routing table that routes packets outside
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of [client_eth] to [default_gateway]. *)
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val client_eth : t -> Client_eth.t
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val target : t -> Cstruct.t -> interface option
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(** [target t packet] is the interface to which [packet] (an IP packet) should be routed. *)
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val add_client : t -> client_link -> unit
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(** [add_client t iface] adds a rule for routing packets addressed to [iface].
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The client's IP address must be within the [client_eth] passed to [create]. *)
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val remove_client : t -> client_link -> unit
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val forward_ipv4 : t -> Cstruct.t -> unit Lwt.t
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(** [forward_ipv4 t packet] sends the packet to [target t packet]. *)
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