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/*
* SPDX-FileCopyrightText: 2015-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#pragma once
#include "esp_netif.h"
#include "esp_netif_ppp.h"
#include "lwip/netif.h"
#include "lwip/esp_netif_net_stack.h"
#ifdef CONFIG_LWIP_DHCPS
#include "dhcpserver/dhcpserver.h"
#endif
struct esp_netif_api_msg_s;
typedef int (*esp_netif_api_fn)(struct esp_netif_api_msg_s *msg);
typedef struct esp_netif_api_msg_s {
int type; /**< The first field MUST be int */
int ret;
esp_netif_api_fn api_fn;
union {
esp_netif_t *esp_netif; /* esp_netif as input param */
esp_netif_t **p_esp_netif; /* esp_netif as output */
esp_netif_callback_fn user_fn; /* user callback */
}; /* Commonly used parameters what calling api_fn */
void *data;
} esp_netif_api_msg_t;
typedef struct esp_netif_dns_param_s {
esp_netif_dns_type_t dns_type;
esp_netif_dns_info_t *dns_info;
} esp_netif_dns_param_t;
typedef struct esp_netif_ip_lost_timer_s {
bool timer_running;
} esp_netif_ip_lost_timer_t;
/**
* @brief Check the netif if of a specific P2P type
*/
#if CONFIG_PPP_SUPPORT
#define ESP_NETIF_IS_POINT2POINT_TYPE(netif, type) (netif->related_data && netif->related_data->is_point2point && netif->related_data->netif_type == type)
#else
#define ESP_NETIF_IS_POINT2POINT_TYPE(netif, type) false
#endif
/**
* @brief Additional netif types when related data are needed
*/
enum netif_types {
COMMON_LWIP_NETIF,
PPP_LWIP_NETIF,
};
/**
* @brief Related data to esp-netif (additional data for some special types of netif
* (typically for point-point network types, such as PPP)
*/
typedef struct netif_related_data {
bool is_point2point;
enum netif_types netif_type;
} netif_related_data_t;
/**
* @brief Main esp-netif container with interface related information
*/
struct esp_netif_obj {
// default interface addresses
uint8_t mac[NETIF_MAX_HWADDR_LEN];
esp_netif_ip_info_t* ip_info;
esp_netif_ip_info_t* ip_info_old;
// lwip netif related
struct netif *lwip_netif;
err_t (*lwip_init_fn)(struct netif*);
esp_netif_recv_ret_t (*lwip_input_fn)(void *input_netif_handle, void *buffer, size_t len, void *eb);
void * netif_handle; // netif impl context (either vanilla lwip-netif or ppp_pcb)
netif_related_data_t *related_data; // holds additional data for specific netifs
#if ESP_DHCPS
dhcps_t *dhcps;
#endif
// io driver related
void* driver_handle;
esp_err_t (*driver_transmit)(void *h, void *buffer, size_t len);
esp_err_t (*driver_transmit_wrap)(void *h, void *buffer, size_t len, void *pbuf);
void (*driver_free_rx_buffer)(void *h, void* buffer);
// dhcp related
esp_netif_dhcp_status_t dhcpc_status;
esp_netif_dhcp_status_t dhcps_status;
bool timer_running;
// event translation
ip_event_t get_ip_event;
ip_event_t lost_ip_event;
#ifdef CONFIG_ESP_NETIF_REPORT_DATA_TRAFFIC
bool tx_rx_events_enabled;
#endif
// misc flags, types, keys, priority
esp_netif_flags_t flags;
char * hostname;
char * if_key;
char * if_desc;
int route_prio;
#if CONFIG_ESP_NETIF_BRIDGE_EN
// bridge configuration
uint16_t max_fdb_dyn_entries;
uint16_t max_fdb_sta_entries;
uint8_t max_ports;
#endif // CONFIG_ESP_NETIF_BRIDGE_EN
// mldv6 timer
bool mldv6_report_timer_started;
#ifdef CONFIG_ESP_NETIF_SET_DNS_PER_DEFAULT_NETIF
ip_addr_t dns[DNS_MAX_SERVERS];
#endif
};
typedef enum esp_netif_set_default_state {
ESP_NETIF_UNDEF,
ESP_NETIF_STARTED,
ESP_NETIF_GOT_IP,
ESP_NETIF_STOPPED,
ESP_NETIF_LOST_IP,
ESP_NETIF_SET_DEFAULT,
} esp_netif_route_prio_action_t;
esp_err_t esp_netif_update_default_netif(esp_netif_t *esp_netif, esp_netif_route_prio_action_t action);
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