1 /** @file 2 * @brief Modem socket header file. 3 * 4 * Generic modem socket and packet size implementation for modem context 5 */ 6 7 /* 8 * Copyright (c) 2019-2020 Foundries.io 9 * 10 * SPDX-License-Identifier: Apache-2.0 11 */ 12 13 #ifndef ZEPHYR_INCLUDE_DRIVERS_MODEM_MODEM_SOCKET_H_ 14 #define ZEPHYR_INCLUDE_DRIVERS_MODEM_MODEM_SOCKET_H_ 15 16 #include <kernel.h> 17 #include <net/net_ip.h> 18 #include <net/socket.h> 19 20 #include "sockets_internal.h" 21 22 #ifdef __cplusplus 23 extern "C" { 24 #endif 25 26 __net_socket struct modem_socket { 27 sa_family_t family; 28 enum net_sock_type type; 29 int ip_proto; 30 struct sockaddr src; 31 struct sockaddr dst; 32 int id; 33 int sock_fd; 34 35 /** packet data */ 36 uint16_t packet_sizes[CONFIG_MODEM_SOCKET_PACKET_COUNT]; 37 uint16_t packet_count; 38 39 /** data ready semaphore */ 40 struct k_sem sem_data_ready; 41 42 /** socket state */ 43 bool is_connected; 44 bool is_waiting; 45 bool is_polled; 46 47 /** temporary socket data */ 48 void *data; 49 }; 50 51 struct modem_socket_config { 52 struct modem_socket *sockets; 53 size_t sockets_len; 54 55 /* beginning socket id (modems can set this to 0 or 1 as needed) */ 56 int base_socket_num; 57 struct k_sem sem_poll; 58 struct k_sem sem_lock; 59 60 const struct socket_op_vtable *vtable; 61 }; 62 63 /* return size of the first packet */ 64 uint16_t modem_socket_next_packet_size(struct modem_socket_config *cfg, 65 struct modem_socket *sock); 66 int modem_socket_packet_size_update(struct modem_socket_config *cfg, 67 struct modem_socket *sock, int new_total); 68 int modem_socket_get(struct modem_socket_config *cfg, int family, int type, 69 int proto); 70 struct modem_socket *modem_socket_from_fd(struct modem_socket_config *cfg, 71 int sock_fd); 72 struct modem_socket *modem_socket_from_id(struct modem_socket_config *cfg, 73 int id); 74 struct modem_socket *modem_socket_from_newid(struct modem_socket_config *cfg); 75 void modem_socket_put(struct modem_socket_config *cfg, int sock_fd); 76 int modem_socket_poll(struct modem_socket_config *cfg, 77 struct zsock_pollfd *fds, int nfds, int msecs); 78 void modem_socket_wait_data(struct modem_socket_config *cfg, 79 struct modem_socket *sock); 80 void modem_socket_data_ready(struct modem_socket_config *cfg, 81 struct modem_socket *sock); 82 int modem_socket_init(struct modem_socket_config *cfg, 83 const struct socket_op_vtable *vtable); 84 85 #ifdef __cplusplus 86 } 87 #endif 88 89 #endif /* ZEPHYR_INCLUDE_DRIVERS_MODEM_MODEM_SOCKET_H_ */ 90
