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raw_socket.c File Reference
Functions

raw_socket.c File Reference

TCP/IP raw sockets. More...

Go to the source code of this file.

Functions

error_t rawSocketProcessIpPacket (NetInterface *interface, IpPseudoHeader *pseudoHeader, const NetBuffer *buffer, size_t offset)
 Process incoming IP packet.
void rawSocketProcessEthPacket (NetInterface *interface, EthHeader *ethFrame, size_t length)
 Process incoming Ethernet packet.
error_t rawSocketSendIpPacket (Socket *socket, const IpAddr *destIpAddr, const void *data, size_t length, size_t *written)
 Send an raw IP packet.
error_t rawSocketSendEthPacket (Socket *socket, const void *data, size_t length, size_t *written)
 Send an raw Ethernet packet.
error_t rawSocketReceiveIpPacket (Socket *socket, IpAddr *srcIpAddr, IpAddr *destIpAddr, void *data, size_t size, size_t *received, uint_t flags)
 Receive an IP packet from a raw socket.
error_t rawSocketReceiveEthPacket (Socket *socket, void *data, size_t size, size_t *received, uint_t flags)
 Receive an Ethernet packet from a raw socket.
void rawSocketUpdateEvents (Socket *socket)
 Update event state for raw sockets.

Detailed Description

TCP/IP raw sockets.

License

Copyright (C) 2010-2017 Oryx Embedded SARL. All rights reserved.

This file is part of CycloneTCP Open.

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

Description

A raw socket is a type of socket that allows access to the underlying transport provider

Author:
Oryx Embedded SARL (www.oryx-embedded.com)
Version:
1.7.6

Definition in file raw_socket.c.

Function Documentation

void rawSocketProcessEthPacket ( NetInterface *  interface,
EthHeader *  ethFrame,
size_t  length 
)

Process incoming Ethernet packet.

Parameters:
[in]interfaceUnderlying network interface
[in]ethFrameIncoming Ethernet frame to process
[in]lengthTotal frame length

Definition at line 268 of file raw_socket.c.

error_t rawSocketProcessIpPacket ( NetInterface *  interface,
IpPseudoHeader *  pseudoHeader,
const NetBuffer *  buffer,
size_t  offset 
)

Process incoming IP packet.

Parameters:
[in]interfaceUnderlying network interface
[in]pseudoHeaderIPv4 or IPv6 pseudo header
[in]bufferMulti-part buffer containing the IP packet
[in]offsetOffset to the first byte of the IP packet
Returns:
Error code

Definition at line 61 of file raw_socket.c.

error_t rawSocketReceiveEthPacket ( Socket *  socket,
void *  data,
size_t  size,
size_t *  received,
uint_t  flags 
)

Receive an Ethernet packet from a raw socket.

Parameters:
[in]socketHandle referencing the socket
[out]dataBuffer where to store the incoming data
[in]sizeMaximum number of bytes that can be received
[out]receivedNumber of bytes that have been received
[in]flagsSet of flags that influences the behavior of this function
Returns:
Error code

Definition at line 681 of file raw_socket.c.

error_t rawSocketReceiveIpPacket ( Socket *  socket,
IpAddr *  srcIpAddr,
IpAddr *  destIpAddr,
void *  data,
size_t  size,
size_t *  received,
uint_t  flags 
)

Receive an IP packet from a raw socket.

Parameters:
[in]socketHandle referencing the socket
[out]srcIpAddrSource IP address (optional)
[out]destIpAddrDestination IP address (optional)
[out]dataBuffer where to store the incoming data
[in]sizeMaximum number of bytes that can be received
[out]receivedNumber of bytes that have been received
[in]flagsSet of flags that influences the behavior of this function
Returns:
Error code

Definition at line 607 of file raw_socket.c.

error_t rawSocketSendEthPacket ( Socket *  socket,
const void *  data,
size_t  length,
size_t *  written 
)

Send an raw Ethernet packet.

Parameters:
[in]socketHandle referencing the socket
[in]dataPointer to raw data
[in]lengthLength of the raw data
[out]writtenActual number of bytes written (optional parameter)
Returns:
Error code

Definition at line 491 of file raw_socket.c.

error_t rawSocketSendIpPacket ( Socket *  socket,
const IpAddr *  destIpAddr,
const void *  data,
size_t  length,
size_t *  written 
)

Send an raw IP packet.

Parameters:
[in]socketHandle referencing the socket
[in]destIpAddrIP address of the target host
[in]dataPointer to raw data
[in]lengthLength of the raw data
[out]writtenActual number of bytes written (optional parameter)
Returns:
Error code

Definition at line 383 of file raw_socket.c.

void rawSocketUpdateEvents ( Socket *  socket )

Update event state for raw sockets.

Parameters:
[in]socketHandle referencing the socket

Definition at line 743 of file raw_socket.c.

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