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/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2018-05-24 ChenYong First version
*/
#ifndef SAL_SOCKET_H__
#define SAL_SOCKET_H__
#include <stddef.h>
#include <arpa/inet.h>
#ifdef __cplusplus
extern "C" {
#endif
#if !defined(socklen_t) && !defined(SOCKLEN_T_DEFINED)
typedef uint32_t socklen_t;
#endif
#if !defined(sa_family_t) && !defined(SA_FAMILY_T_DEFINED)
typedef uint8_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 uint16_t in_port_t;
#endif
/* Socket protocol types (TCP/UDP/RAW) */
#define SOCK_STREAM 1
#define SOCK_DGRAM 2
#define SOCK_RAW 3
#define SOCK_PACKET 10
#define SOCK_NONBLOCK 04000
#define SOCK_CLOEXEC 02000000
#define SOCK_MAX (SOCK_CLOEXEC + 1)
/* Option flags per-socket. These must match the SOF_ flags in ip.h (checked in init.c) */
#define SO_REUSEADDR 0x0004 /* Allow local address reuse */
#define SO_KEEPALIVE 0x0008 /* keep connections alive */
#define SO_BROADCAST 0x0020 /* permit to send and to receive broadcast messages (see IP_SOF_BROADCAST option) */
/* Additional options, not kept in so_options */
#define SO_DEBUG 0x0001 /* Unimplemented: turn on debugging info recording */
#define SO_ACCEPTCONN 0x0002 /* socket has had listen() */
#define SO_DONTROUTE 0x0010 /* Unimplemented: just use interface addresses */
#define SO_USELOOPBACK 0x0040 /* Unimplemented: bypass hardware when possible */
#define SO_LINGER 0x0080 /* linger on close if data present */
#define SO_DONTLINGER ((int)(~SO_LINGER))
#define SO_OOBINLINE 0x0100 /* Unimplemented: leave received OOB data in line */
#define SO_REUSEPORT 0x0200 /* Unimplemented: allow local address & port reuse */
#define SO_SNDBUF 0x1001 /* Unimplemented: send buffer size */
#define SO_RCVBUF 0x1002 /* receive buffer size */
#define SO_SNDLOWAT 0x1003 /* Unimplemented: send low-water mark */
#define SO_RCVLOWAT 0x1004 /* Unimplemented: receive low-water mark */
#define SO_SNDTIMEO 0x1005 /* 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 /* Unimplemented: connect timeout */
#define SO_NO_CHECK 0x100a /* don't create UDP checksum */
/* Level number for (get/set)sockopt() to apply to socket itself */
#define SOL_SOCKET 0xfff /* options for socket level */
#define AF_UNSPEC 0
#define AF_UNIX 1
#define AF_INET 2
#define AF_INET6 10
#define AF_CAN 29 /* Controller Area Network */
#define AF_AT 45 /* AT socket */
#define AF_WIZ 46 /* WIZnet socket */
#define PF_UNIX AF_UNIX
#define PF_INET AF_INET
#define PF_INET6 AF_INET6
#define PF_UNSPEC AF_UNSPEC
#define PF_CAN AF_CAN
#define PF_AT AF_AT
#define PF_WIZ AF_WIZ
#define AF_MAX (AF_WIZ + 1) /* For now.. */
#define IPPROTO_IP 0
#define IPPROTO_ICMP 1
#define IPPROTO_TCP 6
#define IPPROTO_UDP 17
#define IPPROTO_IPV6 41
#define IPPROTO_ICMPV6 58
#define IPPROTO_UDPLITE 136
#define IPPROTO_RAW 255
/* Flags we can use with send and recv */
#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 */
/* Options for level IPPROTO_IP */
#define IP_TOS 1
#define IP_TTL 2
/* Options for level IPPROTO_TCP */
#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_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 */
/* Options and types related to multicast membership */
#define IP_ADD_MEMBERSHIP 3
#define IP_DROP_MEMBERSHIP 4
/* Options and types for UDP multicast traffic handling */
#define IP_MULTICAST_TTL 5
#define IP_MULTICAST_IF 6
#define IP_MULTICAST_LOOP 7
typedef struct ip_mreq
{
struct in_addr imr_multiaddr; /* IP multicast address of group */
struct in_addr imr_interface; /* local IP address of interface */
} ip_mreq;
/* The Type of Service provides an indication of the abstract parameters of the quality of service desired */
#define IPTOS_TOS_MASK 0x1E
#define IPTOS_TOS(tos) ((tos) & IPTOS_TOS_MASK)
#define IPTOS_LOWDELAY 0x10
#define IPTOS_THROUGHPUT 0x08
#define IPTOS_RELIABILITY 0x04
#define IPTOS_LOWCOST 0x02
#define IPTOS_MINCOST IPTOS_LOWCOST
/* The Network Control precedence designation is intended to be used within a network only */
#define IPTOS_PREC_MASK 0xe0
#define IPTOS_PREC(tos) ((tos) & IPTOS_PREC_MASK)
#define IPTOS_PREC_NETCONTROL 0xe0
#define IPTOS_PREC_INTERNETCONTROL 0xc0
#define IPTOS_PREC_CRITIC_ECP 0xa0
#define IPTOS_PREC_FLASHOVERRIDE 0x80
#define IPTOS_PREC_FLASH 0x60
#define IPTOS_PREC_IMMEDIATE 0x40
#define IPTOS_PREC_PRIORITY 0x20
#define IPTOS_PREC_ROUTINE 0x00
/* Options for shatdown type */
#ifndef SHUT_RD
#define SHUT_RD 0
#define SHUT_WR 1
#define SHUT_RDWR 2
#endif
struct sockaddr
{
uint8_t sa_len;
sa_family_t sa_family;
char sa_data[14];
};
/* Structure describing the address of an AF_LOCAL (aka AF_UNIX) socket. */
struct sockaddr_un
{
uint8_t sa_len;
sa_family_t sa_family;
char sun_path[108]; /* Path name. */
};
#if NETDEV_IPV4
/* members are in network byte order */
struct sockaddr_in
{
uint8_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];
};
#endif /* NETDEV_IPV4 */
#if NETDEV_IPV6
struct sockaddr_in6
{
uint8_t sin6_len; /* length of this structure */
sa_family_t sin6_family; /* AF_INET6 */
in_port_t sin6_port; /* Transport layer port # */
uint32_t sin6_flowinfo; /* IPv6 flow information */
struct in6_addr sin6_addr; /* IPv6 address */
uint32_t sin6_scope_id; /* Set of interfaces for scope */
};
#endif /* NETDEV_IPV6 */
struct sockaddr_storage
{
uint8_t s2_len;
sa_family_t ss_family;
char s2_data1[2];
uint32_t s2_data2[3];
#if NETDEV_IPV6
uint32_t s2_data3[3];
#endif /* NETDEV_IPV6 */
};
#define IFNAMSIZ 16
struct sal_ifmap
{
unsigned long int mem_start;
unsigned long int mem_end;
unsigned short int base_addr;
unsigned char irq;
unsigned char dma;
unsigned char port;
};
struct sal_ifreq
{
union
{
char ifrn_name[IFNAMSIZ];
} ifr_ifrn;
union
{
struct sockaddr ifru_addr;
struct sockaddr ifru_dstaddr;
struct sockaddr ifru_broadaddr;
struct sockaddr ifru_netmask;
struct sockaddr ifru_hwaddr;
short int ifru_flags;
int ifru_ivalue;
int ifru_mtu;
struct sal_ifmap ifru_map;
char ifru_slave[IFNAMSIZ];
char ifru_newname[IFNAMSIZ];
char *ifru_data;
} ifr_ifru;
};
int sal_accept(int socket, struct sockaddr *addr, socklen_t *addrlen);
int sal_bind(int socket, const struct sockaddr *name, socklen_t namelen);
int sal_shutdown(int socket, int how);
int sal_getpeername (int socket, struct sockaddr *name, socklen_t *namelen);
int sal_getsockname (int socket, struct sockaddr *name, socklen_t *namelen);
int sal_getsockopt (int socket, int level, int optname, void *optval, socklen_t *optlen);
int sal_setsockopt (int socket, int level, int optname, const void *optval, socklen_t optlen);
int sal_connect(int socket, const struct sockaddr *name, socklen_t namelen);
int sal_listen(int socket, int backlog);
int sal_recvfrom(int socket, void *mem, size_t len, int flags,
struct sockaddr *from, socklen_t *fromlen);
int sal_sendto(int socket, const void *dataptr, size_t size, int flags,
const struct sockaddr *to, socklen_t tolen);
int sal_socket(int domain, int type, int protocol);
int sal_closesocket(int socket);
int sal_ioctlsocket(int socket, long cmd, void *arg);
#ifdef __cplusplus
}
#endif
#endif /* SAL_SOCKET_H__ */
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