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https://github.com/FreeRTOS/FreeRTOS-Kernel.git
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This commit is contained in:
Richard Barry
parent
014d7f5b8f
commit
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134 changed files with 39468 additions and 39401 deletions
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/*
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* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
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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 modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* 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 products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*
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* This file is part of the lwIP TCP/IP stack.
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*
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* Author: Adam Dunkels <adam@sics.se>
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*
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*/
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#ifndef __LWIP_UDP_H__
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#define __LWIP_UDP_H__
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#include "lwip/arch.h"
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#include "lwip/pbuf.h"
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#include "lwip/inet.h"
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#include "lwip/ip.h"
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#define UDP_HLEN 8
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struct udp_hdr {
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PACK_STRUCT_FIELD(u16_t src);
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PACK_STRUCT_FIELD(u16_t dest); /* src/dest UDP ports */
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PACK_STRUCT_FIELD(u16_t len);
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PACK_STRUCT_FIELD(u16_t chksum);
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} PACK_STRUCT_STRUCT;
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#define UDP_FLAGS_NOCHKSUM 0x01U
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#define UDP_FLAGS_UDPLITE 0x02U
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#define UDP_FLAGS_CONNECTED 0x04U
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struct udp_pcb {
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/* Common members of all PCB types */
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IP_PCB;
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/* Protocol specific PCB members */
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struct udp_pcb *next;
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u8_t flags;
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u16_t local_port, remote_port;
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u16_t chksum_len;
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void (* recv)(void *arg, struct udp_pcb *pcb, struct pbuf *p,
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struct ip_addr *addr, u16_t port);
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void *recv_arg;
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};
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/* udp_pcbs export for exernal reference (e.g. SNMP agent) */
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extern struct udp_pcb *udp_pcbs;
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/* The following functions is the application layer interface to the
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UDP code. */
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struct udp_pcb * udp_new (void);
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void udp_remove (struct udp_pcb *pcb);
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err_t udp_bind (struct udp_pcb *pcb, struct ip_addr *ipaddr,
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u16_t port);
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err_t udp_connect (struct udp_pcb *pcb, struct ip_addr *ipaddr,
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u16_t port);
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void udp_disconnect (struct udp_pcb *pcb);
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void udp_recv (struct udp_pcb *pcb,
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void (* recv)(void *arg, struct udp_pcb *upcb,
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struct pbuf *p,
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struct ip_addr *addr,
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u16_t port),
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void *recv_arg);
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err_t udp_sendto (struct udp_pcb *pcb, struct pbuf *p, struct ip_addr *dst_ip, u16_t dst_port);
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err_t udp_send (struct udp_pcb *pcb, struct pbuf *p);
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#define udp_flags(pcb) ((pcb)->flags)
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#define udp_setflags(pcb, f) ((pcb)->flags = (f))
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/* The following functions are the lower layer interface to UDP. */
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void udp_input (struct pbuf *p, struct netif *inp);
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void udp_init (void);
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#if UDP_DEBUG
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void udp_debug_print(struct udp_hdr *udphdr);
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#else
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#define udp_debug_print(udphdr)
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#endif
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#endif /* __LWIP_UDP_H__ */
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/*
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* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
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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 modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* 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 products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*
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* This file is part of the lwIP TCP/IP stack.
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*
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* Author: Adam Dunkels <adam@sics.se>
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*
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*/
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#ifndef __LWIP_UDP_H__
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#define __LWIP_UDP_H__
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#include "lwip/arch.h"
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#include "lwip/pbuf.h"
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#include "lwip/inet.h"
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#include "lwip/ip.h"
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#define UDP_HLEN 8
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struct udp_hdr {
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PACK_STRUCT_FIELD(u16_t src);
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PACK_STRUCT_FIELD(u16_t dest); /* src/dest UDP ports */
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PACK_STRUCT_FIELD(u16_t len);
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PACK_STRUCT_FIELD(u16_t chksum);
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} PACK_STRUCT_STRUCT;
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#define UDP_FLAGS_NOCHKSUM 0x01U
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#define UDP_FLAGS_UDPLITE 0x02U
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#define UDP_FLAGS_CONNECTED 0x04U
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struct udp_pcb {
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/* Common members of all PCB types */
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IP_PCB;
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/* Protocol specific PCB members */
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struct udp_pcb *next;
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u8_t flags;
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u16_t local_port, remote_port;
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u16_t chksum_len;
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void (* recv)(void *arg, struct udp_pcb *pcb, struct pbuf *p,
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struct ip_addr *addr, u16_t port);
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void *recv_arg;
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};
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/* udp_pcbs export for exernal reference (e.g. SNMP agent) */
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extern struct udp_pcb *udp_pcbs;
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/* The following functions is the application layer interface to the
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UDP code. */
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struct udp_pcb * udp_new (void);
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void udp_remove (struct udp_pcb *pcb);
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err_t udp_bind (struct udp_pcb *pcb, struct ip_addr *ipaddr,
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u16_t port);
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err_t udp_connect (struct udp_pcb *pcb, struct ip_addr *ipaddr,
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u16_t port);
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void udp_disconnect (struct udp_pcb *pcb);
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void udp_recv (struct udp_pcb *pcb,
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void (* recv)(void *arg, struct udp_pcb *upcb,
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struct pbuf *p,
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struct ip_addr *addr,
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u16_t port),
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void *recv_arg);
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err_t udp_sendto (struct udp_pcb *pcb, struct pbuf *p, struct ip_addr *dst_ip, u16_t dst_port);
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err_t udp_send (struct udp_pcb *pcb, struct pbuf *p);
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#define udp_flags(pcb) ((pcb)->flags)
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#define udp_setflags(pcb, f) ((pcb)->flags = (f))
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/* The following functions are the lower layer interface to UDP. */
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void udp_input (struct pbuf *p, struct netif *inp);
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void udp_init (void);
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#if UDP_DEBUG
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void udp_debug_print(struct udp_hdr *udphdr);
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#else
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#define udp_debug_print(udphdr)
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#endif
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#endif /* __LWIP_UDP_H__ */
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