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in-package search v0.1.0
module D : Mirage_protocols_lwt.DHCP_CLIENT
module R : Mirage_random.C
module C : Mirage_clock.MCLOCK
module E : Mirage_types_lwt.ETHIF
module A : Mirage_types_lwt.ARP
type error = private [>
The type for IP errors.
type buffer = Cstruct.t
The type for memory buffers.
type ipaddr = Ipaddr.V4.t
The type for IP addresses.
include Mirage_device.S with type 'a io = 'a Lwt.t
type 'a io = 'a Lwt.t
The type for potentially blocking I/O operation
An input continuation used by the parsing functions to pass on an input packet down the stack.
callback ~src ~dst buf will be called with
dst containing the source and destination IP address respectively, and
buf will be a buffer pointing at the start of the IP payload.
val input : t -> tcp:callback -> udp:callback -> default:(proto:int -> callback) -> buffer -> unit io
input ~tcp ~udp ~default ip buf demultiplexes an incoming
buffer that contains an IP frame. It examines the protocol header and passes the result onto either the
udp function, or the
default function for unknown IP protocols.
allocate_frame t ~dst ~proto returns a pair
(pkt, len) such that
Cstruct.sub pkt 0 len is the IP header (including the link layer part) of a packet going to
dst for protocol
proto. The space in
pkt after the first
len bytes can be used by the client.
write t frame buf writes the packet
frame :: buf ::  to the address
writev t frame bufs writes the packet
frame :: bufs.
checksum frame bufs computes the IP checksum of
bufs computing the pseudo-header from the actual header
frame. It assumes that frame is of the form returned by
allocate_frame, i.e., that it contains the link-layer part.
pseudoheader t dst proto len gives a pseudoheader suitable for use in TCP or UDP checksum calculation based on
src ip ~dst is the source address to be used to send a packet to
dst. In the case of IPv4, this will always return the same IP, which is the only one set.
Set the IP address associated with this interface. For IPv4, currently only supports a single IPv4 address, and aliases will be added in a future revision.
Get the IP addresses associated with this interface. For IPv4, only * one IP address can be set at a time, so the list will always be of * length 1 (and may be the default value, 0.0.0.0).
type uipaddr = Ipaddr.t
The type for universal IP addresses. It supports all the possible versions.
Convert an IP address with a specific version (eg. V4) into a universal IP address.
Project a universal IP address into the version supported by the current implementation. Return
None if there is a version mismatch.
val mtu : t -> int
mtu ip is the Maximum Transmission Unit of the
ip i.e. the maximum size of the payload, not including the IP header.