1 /** 2 * @file 3 * Socket API (to be used from non-TCPIP threads) 4 */ 5 6 /* 7 * Copyright (c) 2001-2004 Swedish Institute of Computer Science. 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without modification, 11 * are permitted provided that the following conditions are met: 12 * 13 * 1. Redistributions of source code must retain the above copyright notice, 14 * this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright notice, 16 * this list of conditions and the following disclaimer in the documentation 17 * and/or other materials provided with the distribution. 18 * 3. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 22 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 23 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 24 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 26 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 29 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 30 * OF SUCH DAMAGE. 31 * 32 * This file is part of the lwIP TCP/IP stack. 33 * 34 * Author: Adam Dunkels <adam@sics.se> 35 * 36 */ 37 38 39 #ifndef LWIP_HDR_SOCKETS_H 40 #define LWIP_HDR_SOCKETS_H 41 42 #include "lwip/opt.h" 43 44 #if LWIP_SOCKET /* don't build if not configured for use in lwipopts.h */ 45 46 #include "lwip/ip_addr.h" 47 #include "lwip/err.h" 48 #include "lwip/inet.h" 49 #include "lwip/errno.h" 50 51 #ifdef __cplusplus 52 extern "C" { 53 #endif 54 55 /* If your port already typedef's sa_family_t, define SA_FAMILY_T_DEFINED 56 to prevent this code from redefining it. */ 57 #if !defined(sa_family_t) && !defined(SA_FAMILY_T_DEFINED) 58 typedef u8_t sa_family_t; 59 #endif 60 /* If your port already typedef's in_port_t, define IN_PORT_T_DEFINED 61 to prevent this code from redefining it. */ 62 #if !defined(in_port_t) && !defined(IN_PORT_T_DEFINED) 63 typedef u16_t in_port_t; 64 #endif 65 66 #if LWIP_IPV4 67 /* members are in network byte order */ 68 struct sockaddr_in { 69 u8_t sin_len; 70 sa_family_t sin_family; 71 in_port_t sin_port; 72 struct in_addr sin_addr; 73 #define SIN_ZERO_LEN 8 74 char sin_zero[SIN_ZERO_LEN]; 75 }; 76 #endif /* LWIP_IPV4 */ 77 78 #if LWIP_IPV6 79 struct sockaddr_in6 { 80 u8_t sin6_len; /* length of this structure */ 81 sa_family_t sin6_family; /* AF_INET6 */ 82 in_port_t sin6_port; /* Transport layer port # */ 83 u32_t sin6_flowinfo; /* IPv6 flow information */ 84 struct in6_addr sin6_addr; /* IPv6 address */ 85 u32_t sin6_scope_id; /* Set of interfaces for scope */ 86 }; 87 #endif /* LWIP_IPV6 */ 88 89 struct sockaddr { 90 u8_t sa_len; 91 sa_family_t sa_family; 92 char sa_data[14]; 93 }; 94 95 struct sockaddr_storage { 96 u8_t s2_len; 97 sa_family_t ss_family; 98 char s2_data1[2]; 99 u32_t s2_data2[3]; 100 #if LWIP_IPV6 101 u32_t s2_data3[3]; 102 #endif /* LWIP_IPV6 */ 103 }; 104 105 /* If your port already typedef's socklen_t, define SOCKLEN_T_DEFINED 106 to prevent this code from redefining it. */ 107 #if !defined(socklen_t) && !defined(SOCKLEN_T_DEFINED) 108 typedef u32_t socklen_t; 109 #endif 110 111 #if !defined IOV_MAX 112 #define IOV_MAX 0xFFFF 113 #elif IOV_MAX > 0xFFFF 114 #error "IOV_MAX larger than supported by LwIP" 115 #endif /* IOV_MAX */ 116 117 #if !defined(iovec) 118 struct iovec { 119 void *iov_base; 120 size_t iov_len; 121 }; 122 #endif 123 124 struct msghdr { 125 void *msg_name; 126 socklen_t msg_namelen; 127 struct iovec *msg_iov; 128 int msg_iovlen; 129 void *msg_control; 130 socklen_t msg_controllen; 131 int msg_flags; 132 }; 133 134 /* Socket protocol types (TCP/UDP/RAW) */ 135 #define SOCK_STREAM 1 136 #define SOCK_DGRAM 2 137 #define SOCK_RAW 3 138 139 /* 140 * Option flags per-socket. These must match the SOF_ flags in ip.h (checked in init.c) 141 */ 142 #define SO_REUSEADDR 0x0004 /* Allow local address reuse */ 143 #define SO_KEEPALIVE 0x0008 /* keep connections alive */ 144 #define SO_BROADCAST 0x0020 /* permit to send and to receive broadcast messages (see IP_SOF_BROADCAST option) */ 145 146 147 /* 148 * Additional options, not kept in so_options. 149 */ 150 #define SO_DEBUG 0x0001 /* Unimplemented: turn on debugging info recording */ 151 #define SO_ACCEPTCONN 0x0002 /* socket has had listen() */ 152 #define SO_DONTROUTE 0x0010 /* Unimplemented: just use interface addresses */ 153 #define SO_USELOOPBACK 0x0040 /* Unimplemented: bypass hardware when possible */ 154 #define SO_LINGER 0x0080 /* linger on close if data present */ 155 #define SO_DONTLINGER ((int)(~SO_LINGER)) 156 #define SO_OOBINLINE 0x0100 /* Unimplemented: leave received OOB data in line */ 157 #define SO_REUSEPORT 0x0200 /* Unimplemented: allow local address & port reuse */ 158 #define SO_SNDBUF 0x1001 /* Unimplemented: send buffer size */ 159 #define SO_RCVBUF 0x1002 /* receive buffer size */ 160 #define SO_SNDLOWAT 0x1003 /* Unimplemented: send low-water mark */ 161 #define SO_RCVLOWAT 0x1004 /* Unimplemented: receive low-water mark */ 162 #define SO_SNDTIMEO 0x1005 /* send timeout */ 163 #define SO_RCVTIMEO 0x1006 /* receive timeout */ 164 #define SO_ERROR 0x1007 /* get error status and clear */ 165 #define SO_TYPE 0x1008 /* get socket type */ 166 #define SO_CONTIMEO 0x1009 /* Unimplemented: connect timeout */ 167 #define SO_NO_CHECK 0x100a /* don't create UDP checksum */ 168 169 170 /* 171 * Structure used for manipulating linger option. 172 */ 173 struct linger { 174 int l_onoff; /* option on/off */ 175 int l_linger; /* linger time in seconds */ 176 }; 177 178 /* 179 * Level number for (get/set)sockopt() to apply to socket itself. 180 */ 181 #define SOL_SOCKET 0xfff /* options for socket level */ 182 183 184 #define AF_UNSPEC 0 185 #define AF_INET 2 186 #if LWIP_IPV6 187 #define AF_INET6 10 188 #else /* LWIP_IPV6 */ 189 #define AF_INET6 AF_UNSPEC 190 #endif /* LWIP_IPV6 */ 191 #define PF_INET AF_INET 192 #define PF_INET6 AF_INET6 193 #define PF_UNSPEC AF_UNSPEC 194 195 #define IPPROTO_IP 0 196 #define IPPROTO_ICMP 1 197 #define IPPROTO_TCP 6 198 #define IPPROTO_UDP 17 199 #if LWIP_IPV6 200 #define IPPROTO_IPV6 41 201 #define IPPROTO_ICMPV6 58 202 #endif /* LWIP_IPV6 */ 203 #define IPPROTO_UDPLITE 136 204 #define IPPROTO_RAW 255 205 206 /* Flags we can use with send and recv. */ 207 #define MSG_PEEK 0x01 /* Peeks at an incoming message */ 208 #define MSG_WAITALL 0x02 /* Unimplemented: Requests that the function block until the full amount of data requested can be returned */ 209 #define MSG_OOB 0x04 /* Unimplemented: Requests out-of-band data. The significance and semantics of out-of-band data are protocol-specific */ 210 #define MSG_DONTWAIT 0x08 /* Nonblocking i/o for this operation only */ 211 #define MSG_MORE 0x10 /* Sender will send more */ 212 #define MSG_NOSIGNAL 0x20 /* Uninmplemented: Requests not to send the SIGPIPE signal if an attempt to send is made on a stream-oriented socket that is no longer connected. */ 213 214 215 /* 216 * Options for level IPPROTO_IP 217 */ 218 #define IP_TOS 1 219 #define IP_TTL 2 220 221 #if LWIP_TCP 222 /* 223 * Options for level IPPROTO_TCP 224 */ 225 #define TCP_NODELAY 0x01 /* don't delay send to coalesce packets */ 226 #define TCP_KEEPALIVE 0x02 /* send KEEPALIVE probes when idle for pcb->keep_idle milliseconds */ 227 #define TCP_KEEPIDLE 0x03 /* set pcb->keep_idle - Same as TCP_KEEPALIVE, but use seconds for get/setsockopt */ 228 #define TCP_KEEPINTVL 0x04 /* set pcb->keep_intvl - Use seconds for get/setsockopt */ 229 #define TCP_KEEPCNT 0x05 /* set pcb->keep_cnt - Use number of probes sent for get/setsockopt */ 230 #endif /* LWIP_TCP */ 231 232 #if LWIP_IPV6 233 /* 234 * Options for level IPPROTO_IPV6 235 */ 236 #define IPV6_CHECKSUM 7 /* RFC3542: calculate and insert the ICMPv6 checksum for raw sockets. */ 237 #define IPV6_V6ONLY 27 /* RFC3493: boolean control to restrict AF_INET6 sockets to IPv6 communications only. */ 238 #endif /* LWIP_IPV6 */ 239 240 #if LWIP_UDP && LWIP_UDPLITE 241 /* 242 * Options for level IPPROTO_UDPLITE 243 */ 244 #define UDPLITE_SEND_CSCOV 0x01 /* sender checksum coverage */ 245 #define UDPLITE_RECV_CSCOV 0x02 /* minimal receiver checksum coverage */ 246 #endif /* LWIP_UDP && LWIP_UDPLITE*/ 247 248 249 #if LWIP_MULTICAST_TX_OPTIONS 250 /* 251 * Options and types for UDP multicast traffic handling 252 */ 253 #define IP_MULTICAST_TTL 5 254 #define IP_MULTICAST_IF 6 255 #define IP_MULTICAST_LOOP 7 256 #endif /* LWIP_MULTICAST_TX_OPTIONS */ 257 258 #if LWIP_IGMP 259 /* 260 * Options and types related to multicast membership 261 */ 262 #define IP_ADD_MEMBERSHIP 3 263 #define IP_DROP_MEMBERSHIP 4 264 265 typedef struct ip_mreq { 266 struct in_addr imr_multiaddr; /* IP multicast address of group */ 267 struct in_addr imr_interface; /* local IP address of interface */ 268 } ip_mreq; 269 #endif /* LWIP_IGMP */ 270 271 /* 272 * The Type of Service provides an indication of the abstract 273 * parameters of the quality of service desired. These parameters are 274 * to be used to guide the selection of the actual service parameters 275 * when transmitting a datagram through a particular network. Several 276 * networks offer service precedence, which somehow treats high 277 * precedence traffic as more important than other traffic (generally 278 * by accepting only traffic above a certain precedence at time of high 279 * load). The major choice is a three way tradeoff between low-delay, 280 * high-reliability, and high-throughput. 281 * The use of the Delay, Throughput, and Reliability indications may 282 * increase the cost (in some sense) of the service. In many networks 283 * better performance for one of these parameters is coupled with worse 284 * performance on another. Except for very unusual cases at most two 285 * of these three indications should be set. 286 */ 287 #define IPTOS_TOS_MASK 0x1E 288 #define IPTOS_TOS(tos) ((tos) & IPTOS_TOS_MASK) 289 #define IPTOS_LOWDELAY 0x10 290 #define IPTOS_THROUGHPUT 0x08 291 #define IPTOS_RELIABILITY 0x04 292 #define IPTOS_LOWCOST 0x02 293 #define IPTOS_MINCOST IPTOS_LOWCOST 294 295 /* 296 * The Network Control precedence designation is intended to be used 297 * within a network only. The actual use and control of that 298 * designation is up to each network. The Internetwork Control 299 * designation is intended for use by gateway control originators only. 300 * If the actual use of these precedence designations is of concern to 301 * a particular network, it is the responsibility of that network to 302 * control the access to, and use of, those precedence designations. 303 */ 304 #define IPTOS_PREC_MASK 0xe0 305 #define IPTOS_PREC(tos) ((tos) & IPTOS_PREC_MASK) 306 #define IPTOS_PREC_NETCONTROL 0xe0 307 #define IPTOS_PREC_INTERNETCONTROL 0xc0 308 #define IPTOS_PREC_CRITIC_ECP 0xa0 309 #define IPTOS_PREC_FLASHOVERRIDE 0x80 310 #define IPTOS_PREC_FLASH 0x60 311 #define IPTOS_PREC_IMMEDIATE 0x40 312 #define IPTOS_PREC_PRIORITY 0x20 313 #define IPTOS_PREC_ROUTINE 0x00 314 315 316 /* 317 * Commands for ioctlsocket(), taken from the BSD file fcntl.h. 318 * lwip_ioctl only supports FIONREAD and FIONBIO, for now 319 * 320 * Ioctl's have the command encoded in the lower word, 321 * and the size of any in or out parameters in the upper 322 * word. The high 2 bits of the upper word are used 323 * to encode the in/out status of the parameter; for now 324 * we restrict parameters to at most 128 bytes. 325 */ 326 #if !defined(FIONREAD) || !defined(FIONBIO) 327 #define IOCPARM_MASK 0x7fU /* parameters must be < 128 bytes */ 328 #define IOC_VOID 0x20000000UL /* no parameters */ 329 #define IOC_OUT 0x40000000UL /* copy out parameters */ 330 #define IOC_IN 0x80000000UL /* copy in parameters */ 331 #define IOC_INOUT (IOC_IN|IOC_OUT) 332 /* 0x20000000 distinguishes new & 333 old ioctl's */ 334 #define _IO(x,y) (IOC_VOID|((x)<<8)|(y)) 335 336 #define _IOR(x,y,t) (IOC_OUT|(((long)sizeof(t)&IOCPARM_MASK)<<16)|((x)<<8)|(y)) 337 338 #define _IOW(x,y,t) (IOC_IN|(((long)sizeof(t)&IOCPARM_MASK)<<16)|((x)<<8)|(y)) 339 #endif /* !defined(FIONREAD) || !defined(FIONBIO) */ 340 341 #ifndef FIONREAD 342 #define FIONREAD _IOR('f', 127, unsigned long) /* get # bytes to read */ 343 #endif 344 #ifndef FIONBIO 345 #define FIONBIO _IOW('f', 126, unsigned long) /* set/clear non-blocking i/o */ 346 #endif 347 348 /* Socket I/O Controls: unimplemented */ 349 #ifndef SIOCSHIWAT 350 #define SIOCSHIWAT _IOW('s', 0, unsigned long) /* set high watermark */ 351 #define SIOCGHIWAT _IOR('s', 1, unsigned long) /* get high watermark */ 352 #define SIOCSLOWAT _IOW('s', 2, unsigned long) /* set low watermark */ 353 #define SIOCGLOWAT _IOR('s', 3, unsigned long) /* get low watermark */ 354 #define SIOCATMARK _IOR('s', 7, unsigned long) /* at oob mark? */ 355 #endif 356 357 /* commands for fnctl */ 358 #ifndef F_GETFL 359 #define F_GETFL 3 360 #endif 361 #ifndef F_SETFL 362 #define F_SETFL 4 363 #endif 364 365 /* File status flags and file access modes for fnctl, 366 these are bits in an int. */ 367 #ifndef O_NONBLOCK 368 #define O_NONBLOCK 1 /* nonblocking I/O */ 369 #endif 370 #ifndef O_NDELAY 371 #define O_NDELAY 1 /* same as O_NONBLOCK, for compatibility */ 372 #endif 373 374 #ifndef SHUT_RD 375 #define SHUT_RD 0 376 #define SHUT_WR 1 377 #define SHUT_RDWR 2 378 #endif 379 380 /* FD_SET used for lwip_select */ 381 #ifndef FD_SET 382 #undef FD_SETSIZE 383 /* Make FD_SETSIZE match NUM_SOCKETS in socket.c */ 384 #define FD_SETSIZE MEMP_NUM_NETCONN 385 #define FDSETSAFESET(n, code) do { \ 386 if (((n) - LWIP_SOCKET_OFFSET < MEMP_NUM_NETCONN) && (((int)(n) - LWIP_SOCKET_OFFSET) >= 0)) { \ 387 code; }} while(0) 388 #define FDSETSAFEGET(n, code) (((n) - LWIP_SOCKET_OFFSET < MEMP_NUM_NETCONN) && (((int)(n) - LWIP_SOCKET_OFFSET) >= 0) ?\ 389 (code) : 0) 390 #define FD_SET(n, p) FDSETSAFESET(n, (p)->fd_bits[((n)-LWIP_SOCKET_OFFSET)/8] |= (1 << (((n)-LWIP_SOCKET_OFFSET) & 7))) 391 #define FD_CLR(n, p) FDSETSAFESET(n, (p)->fd_bits[((n)-LWIP_SOCKET_OFFSET)/8] &= ~(1 << (((n)-LWIP_SOCKET_OFFSET) & 7))) 392 #define FD_ISSET(n,p) FDSETSAFEGET(n, (p)->fd_bits[((n)-LWIP_SOCKET_OFFSET)/8] & (1 << (((n)-LWIP_SOCKET_OFFSET) & 7))) 393 #define FD_ZERO(p) memset((void*)(p), 0, sizeof(*(p))) 394 395 typedef struct fd_set 396 { 397 unsigned char fd_bits [(FD_SETSIZE+7)/8]; 398 } fd_set; 399 400 #elif LWIP_SOCKET_OFFSET 401 #error LWIP_SOCKET_OFFSET does not work with external FD_SET! 402 #elif FD_SETSIZE < MEMP_NUM_NETCONN 403 #error "external FD_SETSIZE too small for number of sockets" 404 #endif /* FD_SET */ 405 406 /** LWIP_TIMEVAL_PRIVATE: if you want to use the struct timeval provided 407 * by your system, set this to 0 and include <sys/time.h> in cc.h */ 408 #ifndef LWIP_TIMEVAL_PRIVATE 409 #define LWIP_TIMEVAL_PRIVATE 1 410 #endif 411 412 #if LWIP_TIMEVAL_PRIVATE 413 struct timeval { 414 long tv_sec; /* seconds */ 415 long tv_usec; /* and microseconds */ 416 }; 417 #endif /* LWIP_TIMEVAL_PRIVATE */ 418 419 #define lwip_socket_init() /* Compatibility define, no init needed. */ 420 void lwip_socket_thread_init(void); /* LWIP_NETCONN_SEM_PER_THREAD==1: initialize thread-local semaphore */ 421 void lwip_socket_thread_cleanup(void); /* LWIP_NETCONN_SEM_PER_THREAD==1: destroy thread-local semaphore */ 422 423 #if LWIP_COMPAT_SOCKETS == 2 424 /* This helps code parsers/code completion by not having the COMPAT functions as defines */ 425 #define lwip_accept accept 426 #define lwip_bind bind 427 #define lwip_shutdown shutdown 428 #define lwip_getpeername getpeername 429 #define lwip_getsockname getsockname 430 #define lwip_setsockopt setsockopt 431 #define lwip_getsockopt getsockopt 432 #define lwip_close closesocket 433 #define lwip_connect connect 434 #define lwip_listen listen 435 #define lwip_recv recv 436 #define lwip_recvfrom recvfrom 437 #define lwip_send send 438 #define lwip_sendmsg sendmsg 439 #define lwip_sendto sendto 440 #define lwip_socket socket 441 #define lwip_select select 442 #define lwip_ioctlsocket ioctl 443 444 #if LWIP_POSIX_SOCKETS_IO_NAMES 445 #define lwip_read read 446 #define lwip_write write 447 #define lwip_writev writev 448 #undef lwip_close 449 #define lwip_close close 450 #define closesocket(s) close(s) 451 #define lwip_fcntl fcntl 452 #define lwip_ioctl ioctl 453 #endif /* LWIP_POSIX_SOCKETS_IO_NAMES */ 454 #endif /* LWIP_COMPAT_SOCKETS == 2 */ 455 456 int lwip_accept(int s, struct sockaddr *addr, socklen_t *addrlen); 457 int lwip_bind(int s, const struct sockaddr *name, socklen_t namelen); 458 int lwip_shutdown(int s, int how); 459 int lwip_getpeername (int s, struct sockaddr *name, socklen_t *namelen); 460 int lwip_getsockname (int s, struct sockaddr *name, socklen_t *namelen); 461 int lwip_getsockopt (int s, int level, int optname, void *optval, socklen_t *optlen); 462 int lwip_setsockopt (int s, int level, int optname, const void *optval, socklen_t optlen); 463 int lwip_close(int s); 464 int lwip_connect(int s, const struct sockaddr *name, socklen_t namelen); 465 int lwip_listen(int s, int backlog); 466 int lwip_recv(int s, void *mem, size_t len, int flags); 467 int lwip_read(int s, void *mem, size_t len); 468 int lwip_recvfrom(int s, void *mem, size_t len, int flags, 469 struct sockaddr *from, socklen_t *fromlen); 470 int lwip_send(int s, const void *dataptr, size_t size, int flags); 471 int lwip_sendmsg(int s, const struct msghdr *message, int flags); 472 int lwip_sendto(int s, const void *dataptr, size_t size, int flags, 473 const struct sockaddr *to, socklen_t tolen); 474 int lwip_socket(int domain, int type, int protocol); 475 int lwip_write(int s, const void *dataptr, size_t size); 476 int lwip_writev(int s, const struct iovec *iov, int iovcnt); 477 int lwip_select(int maxfdp1, fd_set *readset, fd_set *writeset, fd_set *exceptset, 478 struct timeval *timeout); 479 int lwip_ioctl(int s, long cmd, void *argp); 480 int lwip_fcntl(int s, int cmd, int val); 481 482 #if LWIP_COMPAT_SOCKETS 483 #if LWIP_COMPAT_SOCKETS != 2 484 /** @ingroup socket */ 485 #define accept(s,addr,addrlen) lwip_accept(s,addr,addrlen) 486 /** @ingroup socket */ 487 #define bind(s,name,namelen) lwip_bind(s,name,namelen) 488 /** @ingroup socket */ 489 #define shutdown(s,how) lwip_shutdown(s,how) 490 /** @ingroup socket */ 491 #define getpeername(s,name,namelen) lwip_getpeername(s,name,namelen) 492 /** @ingroup socket */ 493 #define getsockname(s,name,namelen) lwip_getsockname(s,name,namelen) 494 /** @ingroup socket */ 495 #define setsockopt(s,level,optname,opval,optlen) lwip_setsockopt(s,level,optname,opval,optlen) 496 /** @ingroup socket */ 497 #define getsockopt(s,level,optname,opval,optlen) lwip_getsockopt(s,level,optname,opval,optlen) 498 /** @ingroup socket */ 499 #define closesocket(s) lwip_close(s) 500 /** @ingroup socket */ 501 #define connect(s,name,namelen) lwip_connect(s,name,namelen) 502 /** @ingroup socket */ 503 #define listen(s,backlog) lwip_listen(s,backlog) 504 /** @ingroup socket */ 505 #define recv(s,mem,len,flags) lwip_recv(s,mem,len,flags) 506 /** @ingroup socket */ 507 #define recvfrom(s,mem,len,flags,from,fromlen) lwip_recvfrom(s,mem,len,flags,from,fromlen) 508 /** @ingroup socket */ 509 #define send(s,dataptr,size,flags) lwip_send(s,dataptr,size,flags) 510 /** @ingroup socket */ 511 #define sendmsg(s,message,flags) lwip_sendmsg(s,message,flags) 512 /** @ingroup socket */ 513 #define sendto(s,dataptr,size,flags,to,tolen) lwip_sendto(s,dataptr,size,flags,to,tolen) 514 /** @ingroup socket */ 515 #define socket(domain,type,protocol) lwip_socket(domain,type,protocol) 516 /** @ingroup socket */ 517 #define select(maxfdp1,readset,writeset,exceptset,timeout) lwip_select(maxfdp1,readset,writeset,exceptset,timeout) 518 /** @ingroup socket */ 519 #define ioctlsocket(s,cmd,argp) lwip_ioctl(s,cmd,argp) 520 521 #if LWIP_POSIX_SOCKETS_IO_NAMES 522 /** @ingroup socket */ 523 #define read(s,mem,len) lwip_read(s,mem,len) 524 /** @ingroup socket */ 525 #define write(s,dataptr,len) lwip_write(s,dataptr,len) 526 /** @ingroup socket */ 527 #define writev(s,iov,iovcnt) lwip_writev(s,iov,iovcnt) 528 /** @ingroup socket */ 529 #define close(s) lwip_close(s) 530 /** @ingroup socket */ 531 #define fcntl(s,cmd,val) lwip_fcntl(s,cmd,val) 532 /** @ingroup socket */ 533 #define ioctl(s,cmd,argp) lwip_ioctl(s,cmd,argp) 534 #endif /* LWIP_POSIX_SOCKETS_IO_NAMES */ 535 #endif /* LWIP_COMPAT_SOCKETS != 2 */ 536 537 #if LWIP_IPV4 && LWIP_IPV6 538 /** @ingroup socket */ 539 #define inet_ntop(af,src,dst,size) \ 540 (((af) == AF_INET6) ? ip6addr_ntoa_r((const ip6_addr_t*)(src),(dst),(size)) \ 541 : (((af) == AF_INET) ? ip4addr_ntoa_r((const ip4_addr_t*)(src),(dst),(size)) : NULL)) 542 /** @ingroup socket */ 543 #define inet_pton(af,src,dst) \ 544 (((af) == AF_INET6) ? ip6addr_aton((src),(ip6_addr_t*)(dst)) \ 545 : (((af) == AF_INET) ? ip4addr_aton((src),(ip4_addr_t*)(dst)) : 0)) 546 #elif LWIP_IPV4 /* LWIP_IPV4 && LWIP_IPV6 */ 547 #define inet_ntop(af,src,dst,size) \ 548 (((af) == AF_INET) ? ip4addr_ntoa_r((const ip4_addr_t*)(src),(dst),(size)) : NULL) 549 #define inet_pton(af,src,dst) \ 550 (((af) == AF_INET) ? ip4addr_aton((src),(ip4_addr_t*)(dst)) : 0) 551 #else /* LWIP_IPV4 && LWIP_IPV6 */ 552 #define inet_ntop(af,src,dst,size) \ 553 (((af) == AF_INET6) ? ip6addr_ntoa_r((const ip6_addr_t*)(src),(dst),(size)) : NULL) 554 #define inet_pton(af,src,dst) \ 555 (((af) == AF_INET6) ? ip6addr_aton((src),(ip6_addr_t*)(dst)) : 0) 556 #endif /* LWIP_IPV4 && LWIP_IPV6 */ 557 558 #endif /* LWIP_COMPAT_SOCKETS */ 559 560 #ifdef __cplusplus 561 } 562 #endif 563 564 #endif /* LWIP_SOCKET */ 565 566 #endif /* LWIP_HDR_SOCKETS_H */ 567