source: ReferenceDesigns/w3_802.11/c/wlan_mac_high_framework/wlan_exp_ip_udp/wlan_exp_ip_udp_socket.h

/** @file  wlan_exp_ip_udp_socket_t.h
 *  @brief Mango wlan_exp IP/UDP Library (Internal Structures / Functions)
 *
 *  @copyright Copyright 2014-2019, Mango Communications. All rights reserved.
 *          Distributed under the Mango Reference Design license (https://mangocomm.com/802.11/license)
 */


/*************************** Constant Definitions ****************************/
#ifndef WLAN_EXP_IP_UDP_SOCKET_H
#define WLAN_EXP_IP_UDP_SOCKET_H

#include "wlan_mac_high_sw_config.h"

#define WLAN_EXP_IP_UDP_NUM_SOCKETS 5 // Number of UDP sockets (global pool)

// **********************************************************************
// Mango wlan_exp IP/UDP Library Socket Structures
//
typedef struct __attribute__((__packed__)) wlan_exp_ip_udp_socket_t{
    u32 index; // Index into the array of sockets
    u32 state; // SOCKET_CLOSED, SOCKET_ALLOCATED, or SOCKET_OPEN

    // Necessary fields of struct sockaddr_in_t
    u16 sin_family; // Family of the socket (only used for data alignment)
    u16 sin_port; // Port of the socket
    u8  sin_addr[IP_ADDR_LEN]; // IP address of the socket
} wlan_exp_ip_udp_socket_t;

/*************************** Function Prototypes *****************************/

#if WLAN_SW_CONFIG_ENABLE_WLAN_EXP
void socket_init();
int socket_find_index_by_port(u16 port);
int socket_alloc(int domain, int type, int protocol);
int socket_bind_eth(int socket_index, u16 port);
sockaddr_in_t socket_get(int socket_index);
void socket_close(int socket_index);
#endif //WLAN_SW_CONFIG_ENABLE_WLAN_EXP
#endif // WLAN_EXP_IP_UDP_SOCKET_H