package tcpip

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in-package search v0.2.0

tcpip
- Tcpip_checksum
tcpip.arpv4
- Arpv4
  - Make
    
    Clock
    
    Ethif
    
    Time
- Arpv4_packet
  - Marshal
  - Unmarshal
- Arpv4_wire
tcpip.ethif
- Ethif
  - Make
    
    N
- Ethif_packet
  - Marshal
  - Unmarshal
- Ethif_wire
tcpip.icmpv4
- Icmpv4
  - Make
    
    I
- Icmpv4_packet
  - Marshal
  - Unmarshal
- Icmpv4_wire
tcpip.icmpv4-socket
- Icmpv4_socket
tcpip.ipv4
- Ipv4_packet
  - Marshal
  - Unmarshal
- Ipv4_wire
- Static_ipv4
  - Make
    
    A
    
    N
tcpip.ipv6
- Ipv6
  - Make
    
    Clock
    
    E
    
    T
- Ipv6_wire
- Ndpv6
tcpip.stack-direct
- Tcpip_stack_direct
  - Make
    
    Arpv4
    
    Ethif
    
    Icmpv4
    
    Ipv4
    
    Netif
    
    Random
    
    Tcpv4
    
    Time
    
    Udpv4
  - TCPV4_DIRECT
  - UDPV4_DIRECT
tcpip.stack-socket
tcpip.tcp
- Tcp
tcpip.tcpv4-socket
- Tcpv4_socket
tcpip.tcpv6-socket
- Tcpv6_socket
tcpip.udp
- Udp
  - Make
    
    IP
    
    R
- Udp_packet
  - Marshal
  - Unmarshal
- Udp_wire
tcpip.udpv4-socket
- Udpv4_socket
tcpip.udpv6-socket
- Udpv6_socket

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type error = string

val protocol_to_int : protocol -> Cstruct.uint16

val pseudoheader : 
  src:Ipaddr.V4.t ->
  dst:Ipaddr.V4.t ->
  proto:[< `TCP | `UDP ] ->
  int ->
  Cstruct.t

pseudoheader src dst proto len constructs a pseudoheader, suitable for inclusion in transport-layer checksum calculations, including the information supplied. len should be the total length of the transport-layer header and payload.

val into_cstruct : 
  payload:Cstruct.t ->
  t ->
  Cstruct.t ->
  (unit, error) Result.result

into_cstruct ~payload t buf attempts to write a header representing t (including t.options, but not payload into buf at offset 0. If there is insufficient space to represent t, an error will be returned.

val make_cstruct : payload:Cstruct.t -> t -> Cstruct.t

make_cstruct ~payload t allocates, fills, and returns a buffer repesenting the IPV4 header corresponding to t. If t.options is non-empty, t.options will be concatenated onto the result. A variable amount of memory (at least 20 bytes for a zero-length options field) will be allocated, but t.payload is not represented in the output.