Donatien Garnier / lwip_ppp_ethernet

LwIP with PPP & Ethernet integration

Dependents:   NetworkingCoreLib

This is the mbed port of the LwIP stack: http://savannah.nongnu.org/projects/lwip/

It includes contributed content from NXP's port for LPCxxxx devices: http://www.lpcware.com/content/project/lightweight-ip-lwip-networking-stack

Licence

LwIP is licenced under the BSD licence: 

Copyright (c) 2001-2004 Swedish Institute of Computer Science. 
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.

src/include/lwip/api.h@0:8e01dca41002, 2012-05-24 (annotated)

Committer:
donatien
Date:
Thu May 24 15:53:48 2012 +0000
Revision:
0:8e01dca41002
Merge with Emilio's LwIp

Who changed what in which revision?

UserRevisionLine numberNew contents of line
donatien 0:8e01dca41002 1 /*
donatien 0:8e01dca41002 2 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
donatien 0:8e01dca41002 3 * All rights reserved.
donatien 0:8e01dca41002 4 *
donatien 0:8e01dca41002 5 * Redistribution and use in source and binary forms, with or without modification,
donatien 0:8e01dca41002 6 * are permitted provided that the following conditions are met:
donatien 0:8e01dca41002 7 *
donatien 0:8e01dca41002 8 * 1. Redistributions of source code must retain the above copyright notice,
donatien 0:8e01dca41002 9 * this list of conditions and the following disclaimer.
donatien 0:8e01dca41002 10 * 2. Redistributions in binary form must reproduce the above copyright notice,
donatien 0:8e01dca41002 11 * this list of conditions and the following disclaimer in the documentation
donatien 0:8e01dca41002 12 * and/or other materials provided with the distribution.
donatien 0:8e01dca41002 13 * 3. The name of the author may not be used to endorse or promote products
donatien 0:8e01dca41002 14 * derived from this software without specific prior written permission.
donatien 0:8e01dca41002 15 *
donatien 0:8e01dca41002 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
donatien 0:8e01dca41002 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
donatien 0:8e01dca41002 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
donatien 0:8e01dca41002 19 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
donatien 0:8e01dca41002 20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
donatien 0:8e01dca41002 21 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
donatien 0:8e01dca41002 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
donatien 0:8e01dca41002 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
donatien 0:8e01dca41002 24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
donatien 0:8e01dca41002 25 * OF SUCH DAMAGE.
donatien 0:8e01dca41002 26 *
donatien 0:8e01dca41002 27 * This file is part of the lwIP TCP/IP stack.
donatien 0:8e01dca41002 28 *
donatien 0:8e01dca41002 29 * Author: Adam Dunkels <adam@sics.se>
donatien 0:8e01dca41002 30 *
donatien 0:8e01dca41002 31 */
donatien 0:8e01dca41002 32 #ifndef __LWIP_API_H__
donatien 0:8e01dca41002 33 #define __LWIP_API_H__
donatien 0:8e01dca41002 34
donatien 0:8e01dca41002 35 #include "lwip/opt.h"
donatien 0:8e01dca41002 36
donatien 0:8e01dca41002 37 #if LWIP_NETCONN /* don't build if not configured for use in lwipopts.h */
donatien 0:8e01dca41002 38
donatien 0:8e01dca41002 39 #include <stddef.h> /* for size_t */
donatien 0:8e01dca41002 40
donatien 0:8e01dca41002 41 #include "lwip/netbuf.h"
donatien 0:8e01dca41002 42 #include "lwip/sys.h"
donatien 0:8e01dca41002 43 #include "lwip/ip_addr.h"
donatien 0:8e01dca41002 44 #include "lwip/err.h"
donatien 0:8e01dca41002 45
donatien 0:8e01dca41002 46 #ifdef __cplusplus
donatien 0:8e01dca41002 47 extern "C" {
donatien 0:8e01dca41002 48 #endif
donatien 0:8e01dca41002 49
donatien 0:8e01dca41002 50 /* Throughout this file, IP addresses and port numbers are expected to be in
donatien 0:8e01dca41002 51 * the same byte order as in the corresponding pcb.
donatien 0:8e01dca41002 52 */
donatien 0:8e01dca41002 53
donatien 0:8e01dca41002 54 /* Flags for netconn_write (u8_t) */
donatien 0:8e01dca41002 55 #define NETCONN_NOFLAG 0x00
donatien 0:8e01dca41002 56 #define NETCONN_NOCOPY 0x00 /* Only for source code compatibility */
donatien 0:8e01dca41002 57 #define NETCONN_COPY 0x01
donatien 0:8e01dca41002 58 #define NETCONN_MORE 0x02
donatien 0:8e01dca41002 59 #define NETCONN_DONTBLOCK 0x04
donatien 0:8e01dca41002 60
donatien 0:8e01dca41002 61 /* Flags for struct netconn.flags (u8_t) */
donatien 0:8e01dca41002 62 /** TCP: when data passed to netconn_write doesn't fit into the send buffer,
donatien 0:8e01dca41002 63 this temporarily stores whether to wake up the original application task
donatien 0:8e01dca41002 64 if data couldn't be sent in the first try. */
donatien 0:8e01dca41002 65 #define NETCONN_FLAG_WRITE_DELAYED 0x01
donatien 0:8e01dca41002 66 /** Should this netconn avoid blocking? */
donatien 0:8e01dca41002 67 #define NETCONN_FLAG_NON_BLOCKING 0x02
donatien 0:8e01dca41002 68 /** Was the last connect action a non-blocking one? */
donatien 0:8e01dca41002 69 #define NETCONN_FLAG_IN_NONBLOCKING_CONNECT 0x04
donatien 0:8e01dca41002 70 /** If this is set, a TCP netconn must call netconn_recved() to update
donatien 0:8e01dca41002 71 the TCP receive window (done automatically if not set). */
donatien 0:8e01dca41002 72 #define NETCONN_FLAG_NO_AUTO_RECVED 0x08
donatien 0:8e01dca41002 73 /** If a nonblocking write has been rejected before, poll_tcp needs to
donatien 0:8e01dca41002 74 check if the netconn is writable again */
donatien 0:8e01dca41002 75 #define NETCONN_FLAG_CHECK_WRITESPACE 0x10
donatien 0:8e01dca41002 76
donatien 0:8e01dca41002 77
donatien 0:8e01dca41002 78 /* Helpers to process several netconn_types by the same code */
donatien 0:8e01dca41002 79 #define NETCONNTYPE_GROUP(t) (t&0xF0)
donatien 0:8e01dca41002 80 #define NETCONNTYPE_DATAGRAM(t) (t&0xE0)
donatien 0:8e01dca41002 81
donatien 0:8e01dca41002 82 /** Protocol family and type of the netconn */
donatien 0:8e01dca41002 83 enum netconn_type {
donatien 0:8e01dca41002 84 NETCONN_INVALID = 0,
donatien 0:8e01dca41002 85 /* NETCONN_TCP Group */
donatien 0:8e01dca41002 86 NETCONN_TCP = 0x10,
donatien 0:8e01dca41002 87 /* NETCONN_UDP Group */
donatien 0:8e01dca41002 88 NETCONN_UDP = 0x20,
donatien 0:8e01dca41002 89 NETCONN_UDPLITE = 0x21,
donatien 0:8e01dca41002 90 NETCONN_UDPNOCHKSUM= 0x22,
donatien 0:8e01dca41002 91 /* NETCONN_RAW Group */
donatien 0:8e01dca41002 92 NETCONN_RAW = 0x40
donatien 0:8e01dca41002 93 };
donatien 0:8e01dca41002 94
donatien 0:8e01dca41002 95 /** Current state of the netconn. Non-TCP netconns are always
donatien 0:8e01dca41002 96 * in state NETCONN_NONE! */
donatien 0:8e01dca41002 97 enum netconn_state {
donatien 0:8e01dca41002 98 NETCONN_NONE,
donatien 0:8e01dca41002 99 NETCONN_WRITE,
donatien 0:8e01dca41002 100 NETCONN_LISTEN,
donatien 0:8e01dca41002 101 NETCONN_CONNECT,
donatien 0:8e01dca41002 102 NETCONN_CLOSE
donatien 0:8e01dca41002 103 };
donatien 0:8e01dca41002 104
donatien 0:8e01dca41002 105 /** Use to inform the callback function about changes */
donatien 0:8e01dca41002 106 enum netconn_evt {
donatien 0:8e01dca41002 107 NETCONN_EVT_RCVPLUS,
donatien 0:8e01dca41002 108 NETCONN_EVT_RCVMINUS,
donatien 0:8e01dca41002 109 NETCONN_EVT_SENDPLUS,
donatien 0:8e01dca41002 110 NETCONN_EVT_SENDMINUS,
donatien 0:8e01dca41002 111 NETCONN_EVT_ERROR
donatien 0:8e01dca41002 112 };
donatien 0:8e01dca41002 113
donatien 0:8e01dca41002 114 #if LWIP_IGMP
donatien 0:8e01dca41002 115 /** Used for netconn_join_leave_group() */
donatien 0:8e01dca41002 116 enum netconn_igmp {
donatien 0:8e01dca41002 117 NETCONN_JOIN,
donatien 0:8e01dca41002 118 NETCONN_LEAVE
donatien 0:8e01dca41002 119 };
donatien 0:8e01dca41002 120 #endif /* LWIP_IGMP */
donatien 0:8e01dca41002 121
donatien 0:8e01dca41002 122 /* forward-declare some structs to avoid to include their headers */
donatien 0:8e01dca41002 123 struct ip_pcb;
donatien 0:8e01dca41002 124 struct tcp_pcb;
donatien 0:8e01dca41002 125 struct udp_pcb;
donatien 0:8e01dca41002 126 struct raw_pcb;
donatien 0:8e01dca41002 127 struct netconn;
donatien 0:8e01dca41002 128 struct api_msg_msg;
donatien 0:8e01dca41002 129
donatien 0:8e01dca41002 130 /** A callback prototype to inform about events for a netconn */
donatien 0:8e01dca41002 131 typedef void (* netconn_callback)(struct netconn *, enum netconn_evt, u16_t len);
donatien 0:8e01dca41002 132
donatien 0:8e01dca41002 133 /** A netconn descriptor */
donatien 0:8e01dca41002 134 struct netconn {
donatien 0:8e01dca41002 135 /** type of the netconn (TCP, UDP or RAW) */
donatien 0:8e01dca41002 136 enum netconn_type type;
donatien 0:8e01dca41002 137 /** current state of the netconn */
donatien 0:8e01dca41002 138 enum netconn_state state;
donatien 0:8e01dca41002 139 /** the lwIP internal protocol control block */
donatien 0:8e01dca41002 140 union {
donatien 0:8e01dca41002 141 struct ip_pcb *ip;
donatien 0:8e01dca41002 142 struct tcp_pcb *tcp;
donatien 0:8e01dca41002 143 struct udp_pcb *udp;
donatien 0:8e01dca41002 144 struct raw_pcb *raw;
donatien 0:8e01dca41002 145 } pcb;
donatien 0:8e01dca41002 146 /** the last error this netconn had */
donatien 0:8e01dca41002 147 err_t last_err;
donatien 0:8e01dca41002 148 /** sem that is used to synchroneously execute functions in the core context */
donatien 0:8e01dca41002 149 sys_sem_t op_completed;
donatien 0:8e01dca41002 150 /** mbox where received packets are stored until they are fetched
donatien 0:8e01dca41002 151 by the netconn application thread (can grow quite big) */
donatien 0:8e01dca41002 152 sys_mbox_t recvmbox;
donatien 0:8e01dca41002 153 #if LWIP_TCP
donatien 0:8e01dca41002 154 /** mbox where new connections are stored until processed
donatien 0:8e01dca41002 155 by the application thread */
donatien 0:8e01dca41002 156 sys_mbox_t acceptmbox;
donatien 0:8e01dca41002 157 #endif /* LWIP_TCP */
donatien 0:8e01dca41002 158 /** only used for socket layer */
donatien 0:8e01dca41002 159 #if LWIP_SOCKET
donatien 0:8e01dca41002 160 int socket;
donatien 0:8e01dca41002 161 #endif /* LWIP_SOCKET */
donatien 0:8e01dca41002 162 #if LWIP_SO_RCVTIMEO
donatien 0:8e01dca41002 163 /** timeout to wait for new data to be received
donatien 0:8e01dca41002 164 (or connections to arrive for listening netconns) */
donatien 0:8e01dca41002 165 int recv_timeout;
donatien 0:8e01dca41002 166 #endif /* LWIP_SO_RCVTIMEO */
donatien 0:8e01dca41002 167 #if LWIP_SO_RCVBUF
donatien 0:8e01dca41002 168 /** maximum amount of bytes queued in recvmbox
donatien 0:8e01dca41002 169 not used for TCP: adjust TCP_WND instead! */
donatien 0:8e01dca41002 170 int recv_bufsize;
donatien 0:8e01dca41002 171 /** number of bytes currently in recvmbox to be received,
donatien 0:8e01dca41002 172 tested against recv_bufsize to limit bytes on recvmbox
donatien 0:8e01dca41002 173 for UDP and RAW, used for FIONREAD */
donatien 0:8e01dca41002 174 s16_t recv_avail;
donatien 0:8e01dca41002 175 #endif /* LWIP_SO_RCVBUF */
donatien 0:8e01dca41002 176 /** flags holding more netconn-internal state, see NETCONN_FLAG_* defines */
donatien 0:8e01dca41002 177 u8_t flags;
donatien 0:8e01dca41002 178 #if LWIP_TCP
donatien 0:8e01dca41002 179 /** TCP: when data passed to netconn_write doesn't fit into the send buffer,
donatien 0:8e01dca41002 180 this temporarily stores how much is already sent. */
donatien 0:8e01dca41002 181 size_t write_offset;
donatien 0:8e01dca41002 182 /** TCP: when data passed to netconn_write doesn't fit into the send buffer,
donatien 0:8e01dca41002 183 this temporarily stores the message.
donatien 0:8e01dca41002 184 Also used during connect and close. */
donatien 0:8e01dca41002 185 struct api_msg_msg *current_msg;
donatien 0:8e01dca41002 186 #endif /* LWIP_TCP */
donatien 0:8e01dca41002 187 /** A callback function that is informed about events for this netconn */
donatien 0:8e01dca41002 188 netconn_callback callback;
donatien 0:8e01dca41002 189 };
donatien 0:8e01dca41002 190
donatien 0:8e01dca41002 191 /** Register an Network connection event */
donatien 0:8e01dca41002 192 #define API_EVENT(c,e,l) if (c->callback) { \
donatien 0:8e01dca41002 193 (*c->callback)(c, e, l); \
donatien 0:8e01dca41002 194 }
donatien 0:8e01dca41002 195
donatien 0:8e01dca41002 196 /** Set conn->last_err to err but don't overwrite fatal errors */
donatien 0:8e01dca41002 197 #define NETCONN_SET_SAFE_ERR(conn, err) do { \
donatien 0:8e01dca41002 198 SYS_ARCH_DECL_PROTECT(lev); \
donatien 0:8e01dca41002 199 SYS_ARCH_PROTECT(lev); \
donatien 0:8e01dca41002 200 if (!ERR_IS_FATAL((conn)->last_err)) { \
donatien 0:8e01dca41002 201 (conn)->last_err = err; \
donatien 0:8e01dca41002 202 } \
donatien 0:8e01dca41002 203 SYS_ARCH_UNPROTECT(lev); \
donatien 0:8e01dca41002 204 } while(0);
donatien 0:8e01dca41002 205
donatien 0:8e01dca41002 206 /* Network connection functions: */
donatien 0:8e01dca41002 207 #define netconn_new(t) netconn_new_with_proto_and_callback(t, 0, NULL)
donatien 0:8e01dca41002 208 #define netconn_new_with_callback(t, c) netconn_new_with_proto_and_callback(t, 0, c)
donatien 0:8e01dca41002 209 struct
donatien 0:8e01dca41002 210 netconn *netconn_new_with_proto_and_callback(enum netconn_type t, u8_t proto,
donatien 0:8e01dca41002 211 netconn_callback callback);
donatien 0:8e01dca41002 212 err_t netconn_delete(struct netconn *conn);
donatien 0:8e01dca41002 213 /** Get the type of a netconn (as enum netconn_type). */
donatien 0:8e01dca41002 214 #define netconn_type(conn) (conn->type)
donatien 0:8e01dca41002 215
donatien 0:8e01dca41002 216 err_t netconn_getaddr(struct netconn *conn, ip_addr_t *addr,
donatien 0:8e01dca41002 217 u16_t *port, u8_t local);
donatien 0:8e01dca41002 218 #define netconn_peer(c,i,p) netconn_getaddr(c,i,p,0)
donatien 0:8e01dca41002 219 #define netconn_addr(c,i,p) netconn_getaddr(c,i,p,1)
donatien 0:8e01dca41002 220
donatien 0:8e01dca41002 221 err_t netconn_bind(struct netconn *conn, ip_addr_t *addr, u16_t port);
donatien 0:8e01dca41002 222 err_t netconn_connect(struct netconn *conn, ip_addr_t *addr, u16_t port);
donatien 0:8e01dca41002 223 err_t netconn_disconnect (struct netconn *conn);
donatien 0:8e01dca41002 224 err_t netconn_listen_with_backlog(struct netconn *conn, u8_t backlog);
donatien 0:8e01dca41002 225 #define netconn_listen(conn) netconn_listen_with_backlog(conn, TCP_DEFAULT_LISTEN_BACKLOG)
donatien 0:8e01dca41002 226 err_t netconn_accept(struct netconn *conn, struct netconn **new_conn);
donatien 0:8e01dca41002 227 err_t netconn_recv(struct netconn *conn, struct netbuf **new_buf);
donatien 0:8e01dca41002 228 err_t netconn_recv_tcp_pbuf(struct netconn *conn, struct pbuf **new_buf);
donatien 0:8e01dca41002 229 void netconn_recved(struct netconn *conn, u32_t length);
donatien 0:8e01dca41002 230 err_t netconn_sendto(struct netconn *conn, struct netbuf *buf,
donatien 0:8e01dca41002 231 ip_addr_t *addr, u16_t port);
donatien 0:8e01dca41002 232 err_t netconn_send(struct netconn *conn, struct netbuf *buf);
donatien 0:8e01dca41002 233 err_t netconn_write(struct netconn *conn, const void *dataptr, size_t size,
donatien 0:8e01dca41002 234 u8_t apiflags);
donatien 0:8e01dca41002 235 err_t netconn_close(struct netconn *conn);
donatien 0:8e01dca41002 236 err_t netconn_shutdown(struct netconn *conn, u8_t shut_rx, u8_t shut_tx);
donatien 0:8e01dca41002 237
donatien 0:8e01dca41002 238 #if LWIP_IGMP
donatien 0:8e01dca41002 239 err_t netconn_join_leave_group(struct netconn *conn, ip_addr_t *multiaddr,
donatien 0:8e01dca41002 240 ip_addr_t *netif_addr, enum netconn_igmp join_or_leave);
donatien 0:8e01dca41002 241 #endif /* LWIP_IGMP */
donatien 0:8e01dca41002 242 #if LWIP_DNS
donatien 0:8e01dca41002 243 err_t netconn_gethostbyname(const char *name, ip_addr_t *addr);
donatien 0:8e01dca41002 244 #endif /* LWIP_DNS */
donatien 0:8e01dca41002 245
donatien 0:8e01dca41002 246 #define netconn_err(conn) ((conn)->last_err)
donatien 0:8e01dca41002 247 #define netconn_recv_bufsize(conn) ((conn)->recv_bufsize)
donatien 0:8e01dca41002 248
donatien 0:8e01dca41002 249 /** Set the blocking status of netconn calls (@todo: write/send is missing) */
donatien 0:8e01dca41002 250 #define netconn_set_nonblocking(conn, val) do { if(val) { \
donatien 0:8e01dca41002 251 (conn)->flags |= NETCONN_FLAG_NON_BLOCKING; \
donatien 0:8e01dca41002 252 } else { \
donatien 0:8e01dca41002 253 (conn)->flags &= ~ NETCONN_FLAG_NON_BLOCKING; }} while(0)
donatien 0:8e01dca41002 254 /** Get the blocking status of netconn calls (@todo: write/send is missing) */
donatien 0:8e01dca41002 255 #define netconn_is_nonblocking(conn) (((conn)->flags & NETCONN_FLAG_NON_BLOCKING) != 0)
donatien 0:8e01dca41002 256
donatien 0:8e01dca41002 257 /** TCP: Set the no-auto-recved status of netconn calls (see NETCONN_FLAG_NO_AUTO_RECVED) */
donatien 0:8e01dca41002 258 #define netconn_set_noautorecved(conn, val) do { if(val) { \
donatien 0:8e01dca41002 259 (conn)->flags |= NETCONN_FLAG_NO_AUTO_RECVED; \
donatien 0:8e01dca41002 260 } else { \
donatien 0:8e01dca41002 261 (conn)->flags &= ~ NETCONN_FLAG_NO_AUTO_RECVED; }} while(0)
donatien 0:8e01dca41002 262 /** TCP: Get the no-auto-recved status of netconn calls (see NETCONN_FLAG_NO_AUTO_RECVED) */
donatien 0:8e01dca41002 263 #define netconn_get_noautorecved(conn) (((conn)->flags & NETCONN_FLAG_NO_AUTO_RECVED) != 0)
donatien 0:8e01dca41002 264
donatien 0:8e01dca41002 265 #if LWIP_SO_RCVTIMEO
donatien 0:8e01dca41002 266 /** Set the receive timeout in milliseconds */
donatien 0:8e01dca41002 267 #define netconn_set_recvtimeout(conn, timeout) ((conn)->recv_timeout = (timeout))
donatien 0:8e01dca41002 268 /** Get the receive timeout in milliseconds */
donatien 0:8e01dca41002 269 #define netconn_get_recvtimeout(conn) ((conn)->recv_timeout)
donatien 0:8e01dca41002 270 #endif /* LWIP_SO_RCVTIMEO */
donatien 0:8e01dca41002 271 #if LWIP_SO_RCVBUF
donatien 0:8e01dca41002 272 /** Set the receive buffer in bytes */
donatien 0:8e01dca41002 273 #define netconn_set_recvbufsize(conn, recvbufsize) ((conn)->recv_bufsize = (recvbufsize))
donatien 0:8e01dca41002 274 /** Get the receive buffer in bytes */
donatien 0:8e01dca41002 275 #define netconn_get_recvbufsize(conn) ((conn)->recv_bufsize)
donatien 0:8e01dca41002 276 #endif /* LWIP_SO_RCVBUF*/
donatien 0:8e01dca41002 277
donatien 0:8e01dca41002 278 #ifdef __cplusplus
donatien 0:8e01dca41002 279 }
donatien 0:8e01dca41002 280 #endif
donatien 0:8e01dca41002 281
donatien 0:8e01dca41002 282 #endif /* LWIP_NETCONN */
donatien 0:8e01dca41002 283
donatien 0:8e01dca41002 284 #endif /* __LWIP_API_H__ */