zephyr/drivers/modem/modem_socket.h

90 lines
2.3 KiB
C

/** @file
* @brief Modem socket header file.
*
* Generic modem socket and packet size implementation for modem context
*/
/*
* Copyright (c) 2019-2020 Foundries.io
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef ZEPHYR_INCLUDE_DRIVERS_MODEM_MODEM_SOCKET_H_
#define ZEPHYR_INCLUDE_DRIVERS_MODEM_MODEM_SOCKET_H_
#include <kernel.h>
#include <net/net_ip.h>
#include <net/socket.h>
#include "sockets_internal.h"
#ifdef __cplusplus
extern "C" {
#endif
struct modem_socket {
sa_family_t family;
enum net_sock_type type;
enum net_ip_protocol ip_proto;
struct sockaddr src;
struct sockaddr dst;
int id;
int sock_fd;
/** packet data */
u16_t packet_sizes[CONFIG_MODEM_SOCKET_PACKET_COUNT];
u16_t packet_count;
/** data ready semaphore */
struct k_sem sem_data_ready;
/** socket state */
bool is_connected;
bool is_waiting;
bool is_polled;
/** temporary socket data */
void *data;
};
struct modem_socket_config {
struct modem_socket *sockets;
size_t sockets_len;
/* beginning socket id (modems can set this to 0 or 1 as needed) */
int base_socket_num;
struct k_sem sem_poll;
struct k_sem sem_lock;
const struct socket_op_vtable *vtable;
};
/* return size of the first packet */
u16_t modem_socket_next_packet_size(struct modem_socket_config *cfg,
struct modem_socket *sock);
int modem_socket_packet_size_update(struct modem_socket_config *cfg,
struct modem_socket *sock, int new_total);
int modem_socket_get(struct modem_socket_config *cfg, int family, int type,
int proto);
struct modem_socket *modem_socket_from_fd(struct modem_socket_config *cfg,
int sock_fd);
struct modem_socket *modem_socket_from_id(struct modem_socket_config *cfg,
int id);
struct modem_socket *modem_socket_from_newid(struct modem_socket_config *cfg);
void modem_socket_put(struct modem_socket_config *cfg, int sock_fd);
int modem_socket_poll(struct modem_socket_config *cfg,
struct pollfd *fds, int nfds, int msecs);
void modem_socket_wait_data(struct modem_socket_config *cfg,
struct modem_socket *sock);
void modem_socket_data_ready(struct modem_socket_config *cfg,
struct modem_socket *sock);
int modem_socket_init(struct modem_socket_config *cfg,
const struct socket_op_vtable *vtable);
#ifdef __cplusplus
}
#endif
#endif /* ZEPHYR_INCLUDE_DRIVERS_MODEM_MODEM_SOCKET_H_ */