raw_socket.c File Reference

TCP/IP raw sockets. More...

#include "core/net.h"
#include "core/socket.h"
#include "core/raw_socket.h"
#include "core/ethernet_misc.h"
#include "ipv4/ipv4.h"
#include "ipv4/ipv4_misc.h"
#include "ipv6/ipv6.h"
#include "ipv6/ipv6_misc.h"
#include "mibs/mib2_module.h"
#include "mibs/if_mib_module.h"
#include "debug.h"

Go to the source code of this file.

Macros
#define	TRACE_LEVEL   RAW_SOCKET_TRACE_LEVEL

Functions
error_t	rawSocketProcessIpPacket (NetInterface *interface, const IpPseudoHeader *pseudoHeader, const NetBuffer *buffer, size_t offset, const NetRxAncillary *ancillary)
	Process incoming IP packet. More...
void	rawSocketProcessEthPacket (NetInterface *interface, const uint8_t *data, size_t length, const NetRxAncillary *ancillary)
	Process incoming Ethernet packet. More...
error_t	rawSocketSendIpPacket (Socket *socket, const SocketMsg *message, uint_t flags)
	Send a raw IP packet. More...
error_t	rawSocketSendEthPacket (Socket *socket, const SocketMsg *message, uint_t flags)
	Send a raw Ethernet packet. More...
error_t	rawSocketReceiveIpPacket (Socket *socket, SocketMsg *message, uint_t flags)
	Receive an IP packet from a raw socket. More...
error_t	rawSocketReceiveEthPacket (Socket *socket, SocketMsg *message, uint_t flags)
	Receive an Ethernet packet from a raw socket. More...
void	rawSocketUpdateEvents (Socket *socket)
	Update event state for raw sockets. More...

Detailed Description

TCP/IP raw sockets.

License

SPDX-License-Identifier: GPL-2.0-or-later

Copyright (C) 2010-2024 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

2.4.0

Definition in file raw_socket.c.

Macro Definition Documentation

TRACE_LEVEL

#define TRACE_LEVEL   RAW_SOCKET_TRACE_LEVEL

Definition at line 37 of file raw_socket.c.

Function Documentation

rawSocketProcessEthPacket()

void rawSocketProcessEthPacket	(	NetInterface *	interface,
		const uint8_t *	data,
		size_t	length,
		const NetRxAncillary *	ancillary
	)

Process incoming Ethernet packet.

Parameters

[in]	interface	Underlying network interface
[in]	data	Pointer to the payload data
[in]	length	Length of the payload data, in bytes
[in]	ancillary	Additional options passed to the stack along with the packet

Definition at line 360 of file raw_socket.c.

rawSocketProcessIpPacket()

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

Process incoming IP packet.

Parameters

[in]	interface	Underlying network interface
[in]	pseudoHeader	IPv4 or IPv6 pseudo header
[in]	buffer	Multi-part buffer containing the IP packet
[in]	offset	Offset to the first byte of the IP packet
[in]	ancillary	Additional options passed to the stack along with the packet

Returns

Error code

Definition at line 67 of file raw_socket.c.

rawSocketReceiveEthPacket()

error_t rawSocketReceiveEthPacket	(	Socket *	socket,
		SocketMsg *	message,
		uint_t	flags
	)

Receive an Ethernet packet from a raw socket.

Parameters

[in]	socket	Handle referencing the socket
[out]	message	Received Ethernet packet and ancillary data
[in]	flags	Set of flags that influences the behavior of this function

Returns

Error code

Definition at line 904 of file raw_socket.c.

rawSocketReceiveIpPacket()

error_t rawSocketReceiveIpPacket	(	Socket *	socket,
		SocketMsg *	message,
		uint_t	flags
	)

Receive an IP packet from a raw socket.

Parameters

[in]	socket	Handle referencing the socket
[out]	message	Received IP packet and ancillary data
[in]	flags	Set of flags that influences the behavior of this function

Returns

Error code

Definition at line 798 of file raw_socket.c.

rawSocketSendEthPacket()

error_t rawSocketSendEthPacket	(	Socket *	socket,
		const SocketMsg *	message,
		uint_t	flags
	)

Send a raw Ethernet packet.

Parameters

[in]	socket	Handle referencing the socket
[in]	message	Pointer to the structure describing the raw packet
[in]	flags	Set of flags that influences the behavior of this function

Returns

Error code

Definition at line 706 of file raw_socket.c.

rawSocketSendIpPacket()

error_t rawSocketSendIpPacket	(	Socket *	socket,
		const SocketMsg *	message,
		uint_t	flags
	)

Send a raw IP packet.

Parameters

[in]	socket	Handle referencing the socket
[in]	message	Pointer to the structure describing the raw packet
[in]	flags	Set of flags that influences the behavior of this function

Returns

Error code

Definition at line 512 of file raw_socket.c.

rawSocketUpdateEvents()

void rawSocketUpdateEvents

(

Socket *

socket

)

Update event state for raw sockets.

Parameters

[in]

socket

Handle referencing the socket

Definition at line 999 of file raw_socket.c.