forked from Archive/PX4-Autopilot
273 lines
10 KiB
C
273 lines
10 KiB
C
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/****************************************************************************
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* net/uip/uip_internal.h
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*
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* Copyright (C) 2007-2009, 2012 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* This logic was leveraged from uIP which also has a BSD-style license:
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*
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* Author Adam Dunkels <adam@dunkels.com>
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* Copyright (c) 2001-2003, Adam Dunkels.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __UIP_INTERNAL_H
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#define __UIP_INTERNAL_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#ifdef CONFIG_NET
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#include <stdint.h>
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#include <stdbool.h>
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#include <errno.h>
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#include <arch/irq.h>
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#include <nuttx/net/uip/uip.h>
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/****************************************************************************
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* Public Macro Definitions
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****************************************************************************/
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/****************************************************************************
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* Public Type Definitions
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****************************************************************************/
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/****************************************************************************
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* Public Data
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****************************************************************************/
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extern const uip_ipaddr_t g_alloneaddr;
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extern const uip_ipaddr_t g_allzeroaddr;
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/* Increasing number used for the IP ID field. */
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extern uint16_t g_ipid;
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/* Reassembly timer (units: deci-seconds) */
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#if UIP_REASSEMBLY && !defined(CONFIG_NET_IPv6)
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extern uint8_t uip_reasstmr;
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#endif
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/* List of applications waiting for ICMP ECHO REPLY */
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#if defined(CONFIG_NET_ICMP) && defined(CONFIG_NET_ICMP_PING)
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extern struct uip_callback_s *g_echocallback;
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#endif
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#ifdef __cplusplus
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#define EXTERN extern "C"
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extern "C" {
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#else
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#define EXTERN extern
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#endif
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/* Defined in uip_callback.c ************************************************/
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EXTERN void uip_callbackinit(void);
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EXTERN FAR struct uip_callback_s *uip_callbackalloc(struct uip_callback_s **list);
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EXTERN void uip_callbackfree(FAR struct uip_callback_s *cb, struct uip_callback_s **list);
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EXTERN uint16_t uip_callbackexecute(FAR struct uip_driver_s *dev, void *pvconn,
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uint16_t flags, FAR struct uip_callback_s *list);
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#ifdef CONFIG_NET_TCP
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/* Defined in uip_tcpconn.c *************************************************/
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EXTERN void uip_tcpinit(void);
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EXTERN struct uip_conn *uip_tcpactive(struct uip_tcpip_hdr *buf);
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EXTERN struct uip_conn *uip_nexttcpconn(struct uip_conn *conn);
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EXTERN struct uip_conn *uip_tcplistener(uint16_t portno);
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EXTERN struct uip_conn *uip_tcpaccept(struct uip_tcpip_hdr *buf);
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/* Defined in uip_tcpseqno.c ************************************************/
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EXTERN void uip_tcpsetsequence(FAR uint8_t *seqno, uint32_t value);
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EXTERN uint32_t uip_tcpgetsequence(FAR uint8_t *seqno);
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EXTERN uint32_t uip_tcpaddsequence(FAR uint8_t *seqno, uint16_t len);
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EXTERN void uip_tcpinitsequence(FAR uint8_t *seqno);
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EXTERN void uip_tcpnextsequence(void);
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/* Defined in uip_tcppoll.c *************************************************/
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EXTERN void uip_tcppoll(struct uip_driver_s *dev, struct uip_conn *conn);
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/* Defined in uip_udptimer.c ************************************************/
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EXTERN void uip_tcptimer(struct uip_driver_s *dev, struct uip_conn *conn, int hsec);
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/* Defined in uip_listen.c **************************************************/
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EXTERN void uip_listeninit(void);
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EXTERN bool uip_islistener(uint16_t port);
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EXTERN int uip_accept(struct uip_driver_s *dev, struct uip_conn *conn, uint16_t portno);
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/* Defined in uip_tcpsend.c *************************************************/
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EXTERN void uip_tcpsend(struct uip_driver_s *dev, struct uip_conn *conn,
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uint16_t flags, uint16_t len);
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EXTERN void uip_tcpreset(struct uip_driver_s *dev);
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EXTERN void uip_tcpack(struct uip_driver_s *dev, struct uip_conn *conn,
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uint8_t ack);
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/* Defined in uip_tcpappsend.c **********************************************/
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EXTERN void uip_tcpappsend(struct uip_driver_s *dev, struct uip_conn *conn,
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uint16_t result);
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EXTERN void uip_tcprexmit(struct uip_driver_s *dev, struct uip_conn *conn,
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uint16_t result);
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/* Defined in uip_tcpinput.c ************************************************/
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EXTERN void uip_tcpinput(struct uip_driver_s *dev);
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/* Defined in uip_tcpcallback.c *********************************************/
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EXTERN uint16_t uip_tcpcallback(FAR struct uip_driver_s *dev,
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FAR struct uip_conn *conn, uint16_t flags);
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#if CONFIG_NET_NTCP_READAHEAD_BUFFERS > 0
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EXTERN uint16_t uip_datahandler(FAR struct uip_conn *conn,
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FAR uint8_t *buffer, uint16_t nbytes);
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#endif
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/* Defined in uip_tcpreadahead.c ********************************************/
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#if CONFIG_NET_NTCP_READAHEAD_BUFFERS > 0
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EXTERN void uip_tcpreadaheadinit(void);
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EXTERN struct uip_readahead_s *uip_tcpreadaheadalloc(void);
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EXTERN void uip_tcpreadaheadrelease(struct uip_readahead_s *buf);
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#endif /* CONFIG_NET_NTCP_READAHEAD_BUFFERS */
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#endif /* CONFIG_NET_TCP */
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#ifdef CONFIG_NET_UDP
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/* Defined in uip_udpconn.c *************************************************/
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EXTERN void uip_udpinit(void);
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EXTERN struct uip_udp_conn *uip_udpactive(struct uip_udpip_hdr *buf);
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EXTERN struct uip_udp_conn *uip_nextudpconn(struct uip_udp_conn *conn);
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/* Defined in uip_udppoll.c *************************************************/
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EXTERN void uip_udppoll(struct uip_driver_s *dev, struct uip_udp_conn *conn);
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/* Defined in uip_udpsend.c *************************************************/
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EXTERN void uip_udpsend(struct uip_driver_s *dev, struct uip_udp_conn *conn);
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/* Defined in uip_udpinput.c ************************************************/
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EXTERN void uip_udpinput(struct uip_driver_s *dev);
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/* Defined in uip_udpcallback.c *********************************************/
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EXTERN void uip_udpcallback(struct uip_driver_s *dev,
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struct uip_udp_conn *conn, uint16_t flags);
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#endif /* CONFIG_NET_UDP */
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#ifdef CONFIG_NET_ICMP
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/* Defined in uip_icmpinput.c ***********************************************/
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EXTERN void uip_icmpinput(struct uip_driver_s *dev);
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#ifdef CONFIG_NET_ICMP_PING
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/* Defined in uip_icmpoll.c *************************************************/
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EXTERN void uip_icmppoll(struct uip_driver_s *dev);
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/* Defined in uip_icmsend.c *************************************************/
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EXTERN void uip_icmpsend(struct uip_driver_s *dev, uip_ipaddr_t *destaddr);
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#endif /* CONFIG_NET_ICMP_PING */
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#endif /* CONFIG_NET_ICMP */
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#ifdef CONFIG_NET_IGMP
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/* Defined in uip_igmpinit.c ************************************************/
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EXTERN void uip_igmpinit(void);
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/* Defined in uip_igmpinput.c ***********************************************/
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EXTERN void uip_igmpinput(struct uip_driver_s *dev);
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/* Defined in uip_igmpgroup.c ***********************************************/
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EXTERN void uip_grpinit(void);
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EXTERN FAR struct igmp_group_s *uip_grpalloc(FAR struct uip_driver_s *dev,
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FAR const uip_ipaddr_t *addr);
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EXTERN FAR struct igmp_group_s *uip_grpfind(FAR struct uip_driver_s *dev,
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FAR const uip_ipaddr_t *addr);
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EXTERN FAR struct igmp_group_s *uip_grpallocfind(FAR struct uip_driver_s *dev,
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FAR const uip_ipaddr_t *addr);
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EXTERN void uip_grpfree(FAR struct uip_driver_s *dev,
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FAR struct igmp_group_s *group);
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/* Defined in uip_igmpmsg.c **************************************************/
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EXTERN void uip_igmpschedmsg(FAR struct igmp_group_s *group, uint8_t msgid);
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EXTERN void uip_igmpwaitmsg(FAR struct igmp_group_s *group, uint8_t msgid);
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/* Defined in uip_igmppoll.c *************************************************/
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EXTERN void uip_igmppoll(FAR struct uip_driver_s *dev);
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/* Defined in up_igmpsend.c **************************************************/
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EXTERN void uip_igmpsend(FAR struct uip_driver_s *dev,
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FAR struct igmp_group_s *group,
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FAR uip_ipaddr_t *dest);
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/* Defined in uip_igmptimer.c ************************************************/
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EXTERN int uip_decisec2tick(int decisecs);
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EXTERN void uip_igmpstartticks(FAR struct igmp_group_s *group, int ticks);
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EXTERN void uip_igmpstarttimer(FAR struct igmp_group_s *group, uint8_t decisecs);
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EXTERN bool uip_igmpcmptimer(FAR struct igmp_group_s *group, int maxticks);
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/* Defined in uip_mcastmac ***************************************************/
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EXTERN void uip_addmcastmac(FAR struct uip_driver_s *dev, FAR uip_ipaddr_t *ip);
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EXTERN void uip_removemcastmac(FAR struct uip_driver_s *dev, FAR uip_ipaddr_t *ip);
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#endif /* CONFIG_NET_IGMP */
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif /* CONFIG_NET */
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#endif /* __UIP_INTERNAL_H */
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