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Move L4 packet headers to destiny/types.h

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This commit is contained in:
Martin Lenders 2013-10-25 14:00:34 +02:00
parent c02a097232
commit f537e19b26
4 changed files with 88 additions and 31 deletions
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1
sys/net/destiny/include/destiny.h
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@ -35,6 +35,7 @@
#include "destiny/in.h"
#include "destiny/socket.h"
#include "destiny/types.h"
/**
* Initializes transport layer.

75
sys/net/destiny/include/destiny/types.h Normal file
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@ -0,0 +1,75 @@
/**
* Destiny types header
*
* Copyright (C) 2013 INRIA.
*
* This file subject to the terms and conditions of the GNU Lesser General
* Public License. See the file LICENSE in the top level directory for more
* details.
*
* @ingroup destiny
* @{
* @file
* @brief Destiny types
* @author Oliver Gesch <oliver.gesch@googlemail.com>
* @author Martin Lenders <mlenders@inf.fu-berlin.de>
*/
#ifndef DESTINY_TYPES_H_
#define DESTINY_TYPES_H_
#include <stdint.h>
/**
* UDP packet header length
*/
#define UDP_HDR_LEN 8
/**
* TCP packet header length
*/
#define TCP_HDR_LEN 20
/**
* UDP packet header
*
* @see <a href="http://tools.ietf.org/html/rfc768">RFC 768</a>
*/
typedef struct __attribute__((packed)) {
uint16_t src_port; ///< source port
uint16_t dst_port; ///< destination port
uint16_t length; ///< payload length
/**
* internet checksum
*
* @see <a href="http://tools.ietf.org/html/rfc1071">RFC 1071</a>
*/
uint16_t checksum;
} udp_hdr_t;
/**
* TCP packet header
*
* @see <a href="http://tools.ietf.org/html/rfc793">RFC 793</a>
*/
typedef struct __attribute__((packed)) {
uint16_t src_port; ///< source port
uint16_t dst_port; ///< destination port
uint32_t seq_nr; ///< sequence number
uint32_t ack_nr; ///< acknowledgement number
uint8_t dataOffset_reserved; ///< 4 MSBs data offsets,
///< 4 LSBs reserved (must be zero)
uint8_t reserved_flags; ///< MSB reserved, rest flags
uint16_t window; ///< receiver window
/**
* internet checksum
*
* @see <a href="http://tools.ietf.org/html/rfc1071">RFC 1071</a>
*/
uint16_t checksum;
uint16_t urg_pointer; ///< urgent pointer
} tcp_hdr_t;
/**
* @}
*/
#endif DESTINY_TYPES_H_

20
sys/net/destiny/tcp.h
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@ -9,18 +9,16 @@
*
* @ingroup destiny
* @{
* @file tcp.c
* @file
* @brief TCP data structs and prototypes
* @author Oliver Gesch <oliver.gesch@googlemail.com>
* @}
*/
#ifndef TCP_H_
#define TCP_H_
#include "ipv6.h"
#define TCP_HDR_LEN 20
#include "destiny/types.h"
#define TCP_EOO_OPTION 0x00 // End of option list
#define TCP_NOP_OPTION 0x01 // No operation
@ -28,16 +26,6 @@
#define TCP_WSF_OPTION 0x03 // Window scale factor
#define TCP_TS_OPTION 0x08 // Timestamp
enum tcp_flags {
TCP_ACK = 0x08,
TCP_URG_PSH = 0x14,
TCP_RST = 0x20,
TCP_SYN = 0x40,
TCP_SYN_ACK = 0x48,
TCP_FIN = 0x80,
TCP_FIN_ACK = 0x88
};
enum tcp_states {
CLOSED = 0,
LISTEN = 1,
@ -111,4 +99,8 @@ uint16_t tcp_csum(ipv6_hdr_t *ipv6_header, tcp_hdr_t *tcp_header);
void printTCPHeader(tcp_hdr_t *tcp_header);
void printArrayRange_tcp(uint8_t *udp_header, uint16_t len);
/**
* @}
*/
#endif /* TCP_H_ */

23
sys/net/destiny/udp.h
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@ -9,36 +9,25 @@
*
* @ingroup destiny
* @{
* @file udp.c
* @file
* @brief UDP data structs and prototypes
* @author Oliver Gesch <oliver.gesch@googlemail.com>
* @}
*/
/*
* udp.h
*
* Created on: 05.09.2011
* Author: Oliver
*/
#ifndef UDP_H_
#define UDP_H_
#include "ipv6.h"
#define UDP_HDR_LEN 8
#include "destiny/types.h"
#define UDP_STACK_SIZE KERNEL_CONF_STACKSIZE_DEFAULT
typedef struct __attribute__((packed)) udp_h_t {
uint16_t src_port;
uint16_t dst_port;
uint16_t length;
uint16_t checksum;
} udp_hdr_t;
uint16_t udp_csum(ipv6_hdr_t *ipv6_header, udp_hdr_t *udp_header);
void udp_packet_handler(void);
/**
* @}
*/
#endif /* UDP_H_ */