#define __LWIP_SOCKETS_H__
#include "lwip/opt.h"
+
+#if LWIP_SOCKET /* don't build if not configured for use in lwipopts.h */
+
+#include <stddef.h> /* for size_t */
+
#include "lwip/ip_addr.h"
#include "lwip/inet.h"
+#include "lwip/inet6.h"
#ifdef __cplusplus
extern "C" {
#endif
+/* If your port already typedef's sa_family_t, define SA_FAMILY_T_DEFINED
+ to prevent this code from redefining it. */
+#if !defined(sa_family_t) && !defined(SA_FAMILY_T_DEFINED)
+typedef u8_t sa_family_t;
+#endif
+/* If your port already typedef's in_port_t, define IN_PORT_T_DEFINED
+ to prevent this code from redefining it. */
+#if !defined(in_port_t) && !defined(IN_PORT_T_DEFINED)
+typedef u16_t in_port_t;
+#endif
+
/* members are in network byte order */
struct sockaddr_in {
- u8_t sin_len;
- u8_t sin_family;
- u16_t sin_port;
- struct in_addr sin_addr;
- char sin_zero[8];
+ u8_t sin_len;
+ sa_family_t sin_family;
+ in_port_t sin_port;
+ struct in_addr sin_addr;
+#define SIN_ZERO_LEN 8
+ char sin_zero[SIN_ZERO_LEN];
+};
+
+#if LWIP_IPV6
+struct sockaddr_in6 {
+ u8_t sin6_len; /* length of this structure */
+ sa_family_t sin6_family; /* AF_INET6 */
+ in_port_t sin6_port; /* Transport layer port # */
+ u32_t sin6_flowinfo; /* IPv6 flow information */
+ struct in6_addr sin6_addr; /* IPv6 address */
};
+#endif /* LWIP_IPV6 */
struct sockaddr {
- u8_t sa_len;
- u8_t sa_family;
- char sa_data[14];
+ u8_t sa_len;
+ sa_family_t sa_family;
+#if LWIP_IPV6
+ char sa_data[22];
+#else /* LWIP_IPV6 */
+ char sa_data[14];
+#endif /* LWIP_IPV6 */
};
-#ifndef socklen_t
-# define socklen_t int
-#endif
+struct sockaddr_storage {
+ u8_t s2_len;
+ sa_family_t ss_family;
+ char s2_data1[2];
+ u32_t s2_data2[3];
+#if LWIP_IPV6
+ u32_t s2_data3[2];
+#endif /* LWIP_IPV6 */
+};
+/* If your port already typedef's socklen_t, define SOCKLEN_T_DEFINED
+ to prevent this code from redefining it. */
+#if !defined(socklen_t) && !defined(SOCKLEN_T_DEFINED)
+typedef u32_t socklen_t;
+#endif
+/* Socket protocol types (TCP/UDP/RAW) */
#define SOCK_STREAM 1
#define SOCK_DGRAM 2
#define SOCK_RAW 3
/*
- * Option flags per-socket.
+ * Option flags per-socket. These must match the SOF_ flags in ip.h (checked in init.c)
*/
-#define SO_DEBUG 0x0001 /* turn on debugging info recording */
+#define SO_DEBUG 0x0001 /* Unimplemented: turn on debugging info recording */
#define SO_ACCEPTCONN 0x0002 /* socket has had listen() */
-#define SO_REUSEADDR 0x0004 /* allow local address reuse */
+#define SO_REUSEADDR 0x0004 /* Allow local address reuse */
#define SO_KEEPALIVE 0x0008 /* keep connections alive */
-#define SO_DONTROUTE 0x0010 /* just use interface addresses */
-#define SO_BROADCAST 0x0020 /* permit sending of broadcast msgs */
-#define SO_USELOOPBACK 0x0040 /* bypass hardware when possible */
+#define SO_DONTROUTE 0x0010 /* Unimplemented: just use interface addresses */
+#define SO_BROADCAST 0x0020 /* permit to send and to receive broadcast messages (see IP_SOF_BROADCAST option) */
+#define SO_USELOOPBACK 0x0040 /* Unimplemented: bypass hardware when possible */
#define SO_LINGER 0x0080 /* linger on close if data present */
-#define SO_OOBINLINE 0x0100 /* leave received OOB data in line */
-#define SO_REUSEPORT 0x0200 /* allow local address & port reuse */
+#define SO_OOBINLINE 0x0100 /* Unimplemented: leave received OOB data in line */
+#define SO_REUSEPORT 0x0200 /* Unimplemented: allow local address & port reuse */
-#define SO_DONTLINGER (int)(~SO_LINGER)
+#define SO_DONTLINGER ((int)(~SO_LINGER))
/*
* Additional options, not kept in so_options.
*/
-#define SO_SNDBUF 0x1001 /* send buffer size */
+#define SO_SNDBUF 0x1001 /* Unimplemented: send buffer size */
#define SO_RCVBUF 0x1002 /* receive buffer size */
-#define SO_SNDLOWAT 0x1003 /* send low-water mark */
-#define SO_RCVLOWAT 0x1004 /* receive low-water mark */
-#define SO_SNDTIMEO 0x1005 /* send timeout */
+#define SO_SNDLOWAT 0x1003 /* Unimplemented: send low-water mark */
+#define SO_RCVLOWAT 0x1004 /* Unimplemented: receive low-water mark */
+#define SO_SNDTIMEO 0x1005 /* Unimplemented: send timeout */
#define SO_RCVTIMEO 0x1006 /* receive timeout */
#define SO_ERROR 0x1007 /* get error status and clear */
#define SO_TYPE 0x1008 /* get socket type */
-#define SO_CONTIMEO 0x1009 /* connect timeout */
+#define SO_CONTIMEO 0x1009 /* Unimplemented: connect timeout */
+#define SO_NO_CHECK 0x100a /* don't create UDP checksum */
/*
#define AF_UNSPEC 0
#define AF_INET 2
+#if LWIP_IPV6
+#define AF_INET6 10
+#else /* LWIP_IPV6 */
+#define AF_INET6 AF_UNSPEC
+#endif /* LWIP_IPV6 */
#define PF_INET AF_INET
+#define PF_INET6 AF_INET6
#define PF_UNSPEC AF_UNSPEC
#define IPPROTO_IP 0
#define IPPROTO_TCP 6
#define IPPROTO_UDP 17
-
-#define INADDR_ANY 0
-#define INADDR_BROADCAST 0xffffffff
+#if LWIP_IPV6
+#define IPPROTO_IPV6 41
+#endif /* LWIP_IPV6 */
+#define IPPROTO_UDPLITE 136
/* Flags we can use with send and recv. */
-#define MSG_DONTWAIT 0x40 /* Nonblocking i/o for this operation only */
+#define MSG_PEEK 0x01 /* Peeks at an incoming message */
+#define MSG_WAITALL 0x02 /* Unimplemented: Requests that the function block until the full amount of data requested can be returned */
+#define MSG_OOB 0x04 /* Unimplemented: Requests out-of-band data. The significance and semantics of out-of-band data are protocol-specific */
+#define MSG_DONTWAIT 0x08 /* Nonblocking i/o for this operation only */
+#define MSG_MORE 0x10 /* Sender will send more */
/*
*/
#define TCP_NODELAY 0x01 /* don't delay send to coalesce packets */
#define TCP_KEEPALIVE 0x02 /* send KEEPALIVE probes when idle for pcb->keep_idle milliseconds */
-#define TCP_KEEPIDLE 0x03 /* set pcb->keep_idle - Same as TCP_KEEPALIVE, but use seconds for get/setsockopt*/
+#define TCP_KEEPIDLE 0x03 /* set pcb->keep_idle - Same as TCP_KEEPALIVE, but use seconds for get/setsockopt */
#define TCP_KEEPINTVL 0x04 /* set pcb->keep_intvl - Use seconds for get/setsockopt */
#define TCP_KEEPCNT 0x05 /* set pcb->keep_cnt - Use number of probes sent for get/setsockopt */
#endif /* LWIP_TCP */
+#if LWIP_IPV6
+/*
+ * Options for level IPPROTO_IPV6
+ */
+#define IPV6_V6ONLY 27 /* RFC3493: boolean control to restrict AF_INET6 sockets to IPv6 communications only. */
+#endif /* LWIP_IPV6 */
+
+#if LWIP_UDP && LWIP_UDPLITE
+/*
+ * Options for level IPPROTO_UDPLITE
+ */
+#define UDPLITE_SEND_CSCOV 0x01 /* sender checksum coverage */
+#define UDPLITE_RECV_CSCOV 0x02 /* minimal receiver checksum coverage */
+#endif /* LWIP_UDP && LWIP_UDPLITE*/
+
+
#if LWIP_IGMP
/*
* Options and types for UDP multicast traffic handling
} ip_mreq;
#endif /* LWIP_IGMP */
+/*
+ * The Type of Service provides an indication of the abstract
+ * parameters of the quality of service desired. These parameters are
+ * to be used to guide the selection of the actual service parameters
+ * when transmitting a datagram through a particular network. Several
+ * networks offer service precedence, which somehow treats high
+ * precedence traffic as more important than other traffic (generally
+ * by accepting only traffic above a certain precedence at time of high
+ * load). The major choice is a three way tradeoff between low-delay,
+ * high-reliability, and high-throughput.
+ * The use of the Delay, Throughput, and Reliability indications may
+ * increase the cost (in some sense) of the service. In many networks
+ * better performance for one of these parameters is coupled with worse
+ * performance on another. Except for very unusual cases at most two
+ * of these three indications should be set.
+ */
#define IPTOS_TOS_MASK 0x1E
#define IPTOS_TOS(tos) ((tos) & IPTOS_TOS_MASK)
#define IPTOS_LOWDELAY 0x10
#define IPTOS_MINCOST IPTOS_LOWCOST
/*
- * Definitions for IP precedence (also in ip_tos) (hopefully unused)
+ * The Network Control precedence designation is intended to be used
+ * within a network only. The actual use and control of that
+ * designation is up to each network. The Internetwork Control
+ * designation is intended for use by gateway control originators only.
+ * If the actual use of these precedence designations is of concern to
+ * a particular network, it is the responsibility of that network to
+ * control the access to, and use of, those precedence designations.
*/
#define IPTOS_PREC_MASK 0xe0
#define IPTOS_PREC(tos) ((tos) & IPTOS_PREC_MASK)
/*
* Commands for ioctlsocket(), taken from the BSD file fcntl.h.
- *
+ * lwip_ioctl only supports FIONREAD and FIONBIO, for now
*
* Ioctl's have the command encoded in the lower word,
* and the size of any in or out parameters in the upper
#define _IOR(x,y,t) (IOC_OUT|(((long)sizeof(t)&IOCPARM_MASK)<<16)|((x)<<8)|(y))
#define _IOW(x,y,t) (IOC_IN|(((long)sizeof(t)&IOCPARM_MASK)<<16)|((x)<<8)|(y))
-#endif
+#endif /* !defined(FIONREAD) || !defined(FIONBIO) */
#ifndef FIONREAD
#define FIONREAD _IOR('f', 127, unsigned long) /* get # bytes to read */
#define FIONBIO _IOW('f', 126, unsigned long) /* set/clear non-blocking i/o */
#endif
-/* Socket I/O Controls */
+/* Socket I/O Controls: unimplemented */
#ifndef SIOCSHIWAT
#define SIOCSHIWAT _IOW('s', 0, unsigned long) /* set high watermark */
#define SIOCGHIWAT _IOR('s', 1, unsigned long) /* get high watermark */
#define SIOCATMARK _IOR('s', 7, unsigned long) /* at oob mark? */
#endif
+/* commands for fnctl */
+#ifndef F_GETFL
+#define F_GETFL 3
+#endif
+#ifndef F_SETFL
+#define F_SETFL 4
+#endif
+
+/* File status flags and file access modes for fnctl,
+ these are bits in an int. */
#ifndef O_NONBLOCK
-#define O_NONBLOCK 04000U
+#define O_NONBLOCK 1 /* nonblocking I/O */
+#endif
+#ifndef O_NDELAY
+#define O_NDELAY 1 /* same as O_NONBLOCK, for compatibility */
#endif
+#ifndef SHUT_RD
+ #define SHUT_RD 0
+ #define SHUT_WR 1
+ #define SHUT_RDWR 2
+#endif
+
+/* FD_SET used for lwip_select */
#ifndef FD_SET
#undef FD_SETSIZE
/* Make FD_SETSIZE match NUM_SOCKETS in socket.c */
unsigned char fd_bits [(FD_SETSIZE+7)/8];
} fd_set;
-/*
- * only define this in sockets.c so it does not interfere
- * with other projects namespaces where timeval is present
- */
+#endif /* FD_SET */
+
+/** LWIP_TIMEVAL_PRIVATE: if you want to use the struct timeval provided
+ * by your system, set this to 0 and include <sys/time.h> in cc.h */
#ifndef LWIP_TIMEVAL_PRIVATE
#define LWIP_TIMEVAL_PRIVATE 1
#endif
#if LWIP_TIMEVAL_PRIVATE
- struct timeval {
- long tv_sec; /* seconds */
- long tv_usec; /* and microseconds */
- };
-#endif
-
-#endif
+struct timeval {
+ long tv_sec; /* seconds */
+ long tv_usec; /* and microseconds */
+};
+#endif /* LWIP_TIMEVAL_PRIVATE */
void lwip_socket_init(void);
int lwip_accept(int s, struct sockaddr *addr, socklen_t *addrlen);
-int lwip_bind(int s, struct sockaddr *name, socklen_t namelen);
+int lwip_bind(int s, const struct sockaddr *name, socklen_t namelen);
int lwip_shutdown(int s, int how);
int lwip_getpeername (int s, struct sockaddr *name, socklen_t *namelen);
int lwip_getsockname (int s, struct sockaddr *name, socklen_t *namelen);
int lwip_close(int s);
int lwip_connect(int s, const struct sockaddr *name, socklen_t namelen);
int lwip_listen(int s, int backlog);
-int lwip_recv(int s, void *mem, int len, unsigned int flags);
-int lwip_read(int s, void *mem, int len);
-int lwip_recvfrom(int s, void *mem, int len, unsigned int flags,
+int lwip_recv(int s, void *mem, size_t len, int flags);
+int lwip_read(int s, void *mem, size_t len);
+int lwip_recvfrom(int s, void *mem, size_t len, int flags,
struct sockaddr *from, socklen_t *fromlen);
-int lwip_send(int s, const void *dataptr, int size, unsigned int flags);
-int lwip_sendto(int s, const void *dataptr, int size, unsigned int flags,
- struct sockaddr *to, socklen_t tolen);
+int lwip_send(int s, const void *dataptr, size_t size, int flags);
+int lwip_sendto(int s, const void *dataptr, size_t size, int flags,
+ const struct sockaddr *to, socklen_t tolen);
int lwip_socket(int domain, int type, int protocol);
-int lwip_write(int s, const void *dataptr, int size);
+int lwip_write(int s, const void *dataptr, size_t size);
int lwip_select(int maxfdp1, fd_set *readset, fd_set *writeset, fd_set *exceptset,
struct timeval *timeout);
int lwip_ioctl(int s, long cmd, void *argp);
+int lwip_fcntl(int s, int cmd, int val);
#if LWIP_COMPAT_SOCKETS
#define accept(a,b,c) lwip_accept(a,b,c)
#define read(a,b,c) lwip_read(a,b,c)
#define write(a,b,c) lwip_write(a,b,c)
#define close(s) lwip_close(s)
+#define fcntl(a,b,c) lwip_fcntl(a,b,c)
#endif /* LWIP_POSIX_SOCKETS_IO_NAMES */
#endif /* LWIP_COMPAT_SOCKETS */
}
#endif
+#endif /* LWIP_SOCKET */
+
#endif /* __LWIP_SOCKETS_H__ */
projects / pes-rpp / rpp-lwip.git / blobdiff