package arp-mirage

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package arp-mirage

arp-mirage
- Arp
  - Make
    
    Ethernet

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type error = private [>

| Mirage_protocols.Ethernet.error

]

The type for ethernet interface errors.

val pp_error : error Fmt.t

pp_error is the pretty-printer for errors.

type buffer = Cstruct.t

The type for memory buffers.

type macaddr = Macaddr.t

The type for unique MAC identifiers.

include Mirage_device.S with type 'a io = 'a Lwt.t

type 'a io = 'a Lwt.t

type t

val disconnect : t -> unit io

val write : 
  t ->
  ?src:macaddr ->
  macaddr ->
  Mirage_protocols.Ethernet.proto ->
  ?size:int ->
  (buffer -> int) ->
  (unit, error) Stdlib.result io

write eth ~src dst proto ~size payload outputs an ethernet frame which header is filled by eth, and its payload is the buffer from the call to payload. Payload gets a buffer of size (defaults to mtu) to fill with their payload. If size exceeds mtu, an error is returned.

val mac : t -> macaddr

mac eth is the MAC address of eth.

val mtu : t -> int

mtu eth is the Maximum Transmission Unit of the eth i.e. the maximum size of the payload, excluding the ethernet frame header.

val input : 
  arpv4:(buffer -> unit io) ->
  ipv4:(buffer -> unit io) ->
  ipv6:(buffer -> unit io) ->
  t ->
  buffer ->
  unit io

input ~arpv4 ~ipv4 ~ipv6 eth buffer decodes the buffer and demultiplexes it depending on the protocol to the callback.