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nuttx/net/uip/uip-internal.h
patacongo 5a508351e4 TCP and ICMP protocols may now be disabled 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@398 42af7a65-404d-4744-a932-0658087f49c3
2007-11-22 18:36:46 +00:00

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/****************************************************************************
* net/uip/uip-internal.h
*
* Copyright (C) 2007 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* This logic was leveraged from uIP which also has a BSD-style license:
*
* Author Adam Dunkels <adam@dunkels.com>
* Copyright (c) 2001-2003, Adam Dunkels.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#ifndef __UIP_INTERNAL_H
#define __UIP_INTERNAL_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#ifdef CONFIG_NET
#include <sys/types.h>
#include <errno.h>
#include <arch/irq.h>
#include <net/uip/uip.h>
/****************************************************************************
* Public Macro Definitions
****************************************************************************/
/* TCP definitions */
#define TCP_FIN 0x01
#define TCP_SYN 0x02
#define TCP_RST 0x04
#define TCP_PSH 0x08
#define TCP_ACK 0x10
#define TCP_URG 0x20
#define TCP_CTL 0x3f
#define TCP_OPT_END 0 /* End of TCP options list */
#define TCP_OPT_NOOP 1 /* "No-operation" TCP option */
#define TCP_OPT_MSS 2 /* Maximum segment size TCP option */
#define TCP_OPT_MSS_LEN 4 /* Length of TCP MSS option. */
/* ICMP/ICMP6 definitions */
#define ICMP_ECHO_REPLY 0
#define ICMP_ECHO 8
#define ICMP6_ECHO_REPLY 129
#define ICMP6_ECHO 128
#define ICMP6_NEIGHBOR_SOLICITATION 135
#define ICMP6_NEIGHBOR_ADVERTISEMENT 136
#define ICMP6_FLAG_S (1 << 6)
#define ICMP6_OPTION_SOURCE_LINK_ADDRESS 1
#define ICMP6_OPTION_TARGET_LINK_ADDRESS 2
/****************************************************************************
* Public Type Definitions
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
extern const uip_ipaddr_t g_alloneaddr;
extern const uip_ipaddr_t g_allzeroaddr;
/* Increasing number used for the IP ID field. */
extern uint16 g_ipid;
/* Reassembly timer (units: deci-seconds) */
#if UIP_REASSEMBLY && !defined(CONFIG_NET_IPv6)
extern uint8 uip_reasstmr;
#endif
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C" {
#else
#define EXTERN extern
#endif
#ifdef CONFIG_NET_TCP
/* Defined in uip_tcpconn.c *************************************************/
EXTERN void uip_tcpinit(void);
EXTERN struct uip_conn *uip_tcpactive(struct uip_tcpip_hdr *buf);
EXTERN struct uip_conn *uip_nexttcpconn(struct uip_conn *conn);
EXTERN struct uip_conn *uip_tcplistener(uint16 portno);
EXTERN struct uip_conn *uip_tcpaccept(struct uip_tcpip_hdr *buf);
EXTERN void uip_tcpnextsequence(void);
/* Defined in uip-tcppoll.c *************************************************/
EXTERN void uip_tcppoll(struct uip_driver_s *dev, struct uip_conn *conn);
/* Defined in uip-udptimer.c ************************************************/
EXTERN void uip_tcptimer(struct uip_driver_s *dev, struct uip_conn *conn, int hsec);
/* Defined in uip_listen.c **************************************************/
EXTERN void uip_listeninit(void);
EXTERN boolean uip_islistener(uint16 port);
EXTERN int uip_accept(struct uip_conn *conn, uint16 portno);
/* Defined in uip-tcpsend.c *************************************************/
EXTERN void uip_tcpsend(struct uip_driver_s *dev, struct uip_conn *conn,
uint8 flags, uint16 len);
EXTERN void uip_tcpreset(struct uip_driver_s *dev);
EXTERN void uip_tcpack(struct uip_driver_s *dev, struct uip_conn *conn,
uint8 ack);
/* Defined in uip-tcpappsend.c **********************************************/
EXTERN void uip_tcpappsend(struct uip_driver_s *dev, struct uip_conn *conn,
uint8 result);
EXTERN void uip_tcprexmit(struct uip_driver_s *dev, struct uip_conn *conn,
uint8 result);
/* Defined in uip-tcpinput.c ************************************************/
EXTERN void uip_tcpinput(struct uip_driver_s *dev);
/* Defined in uip_tcpcallback.c *********************************************/
EXTERN uint8 uip_tcpcallback(struct uip_driver_s *dev,
struct uip_conn *conn, uint8 flags);
/* Defined in uip-tcpreadahead.c ********************************************/
#if CONFIG_NET_NTCP_READAHEAD_BUFFERS > 0
EXTERN void uip_tcpreadaheadinit(void);
EXTERN struct uip_readahead_s *uip_tcpreadaheadalloc(void);
EXTERN void uip_tcpreadaheadrelease(struct uip_readahead_s *buf);
#endif /* CONFIG_NET_NTCP_READAHEAD_BUFFERS */
#endif /* CONFIG_NET_TCP */
#ifdef CONFIG_NET_UDP
/* Defined in uip_udpconn.c *************************************************/
EXTERN void uip_udpinit(void);
EXTERN struct uip_udp_conn *uip_udpactive(struct uip_udpip_hdr *buf);
EXTERN struct uip_udp_conn *uip_nextudpconn(struct uip_udp_conn *conn);
/* Defined in uip-udppoll.c *************************************************/
EXTERN void uip_udppoll(struct uip_driver_s *dev, struct uip_udp_conn *conn);
/* Defined in uip-udpsend.c *************************************************/
EXTERN void uip_udpsend(struct uip_driver_s *dev, struct uip_udp_conn *conn);
/* Defined in uip-udpinput.c ************************************************/
EXTERN void uip_udpinput(struct uip_driver_s *dev);
/* Defined in uip_uipcallback.c *********************************************/
EXTERN void uip_udpcallback(struct uip_driver_s *dev,
struct uip_udp_conn *conn, uint8 flags);
#endif /* CONFIG_NET_UDP */
#ifdef CONFIG_NET_ICMP
/* Defined in uip-icmpinput.c ***********************************************/
EXTERN void uip_icmpinput(struct uip_driver_s *dev);
#endif /* CONFIG_NET_ICMP */
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif /* CONFIG_NET */
#endif /* __UIP_INTERNAL_H */
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