mirror of
https://github.com/espressif/esp-idf.git
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104 lines
2.7 KiB
C
104 lines
2.7 KiB
C
/*
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* SPDX-FileCopyrightText: 2015-2024 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef _ESP_NETIF_NET_STACK_H_
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#define _ESP_NETIF_NET_STACK_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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//
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// Network stack API: This ESP-NETIF API are supposed to be called only from internals of TCP/IP stack
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//
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/** @addtogroup ESP_NETIF_CONVERT
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* @{
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*/
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/**
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* @brief Returns esp-netif handle
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*
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* @param[in] dev opaque ptr to network interface of specific TCP/IP stack
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*
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* @return handle to related esp-netif instance
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*/
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esp_netif_t* esp_netif_get_handle_from_netif_impl(void *dev);
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/**
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* @brief Returns network stack specific implementation handle
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*
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* @param[in] esp_netif Handle to esp-netif instance
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*
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* @return handle to related network stack netif handle
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*/
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void* esp_netif_get_netif_impl(esp_netif_t *esp_netif);
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/**
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* @brief Set link-speed for the specified network interface
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* @param[in] esp_netif Handle to esp-netif instance
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* @param[in] speed Link speed in bit/s
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* @return ESP_OK on success
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*/
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esp_err_t esp_netif_set_link_speed(esp_netif_t *esp_netif, uint32_t speed);
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/**
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* @}
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*/
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/** @addtogroup ESP_NETIF_DATA_IO_API
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* @{
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*/
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/**
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* @brief Outputs packets from the TCP/IP stack to the media to be transmitted
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*
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* This function gets called from network stack to output packets to IO driver.
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*
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* @param[in] esp_netif Handle to esp-netif instance
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* @param[in] data Data to be transmitted
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* @param[in] len Length of the data frame
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*
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* @return ESP_OK on success, an error passed from the I/O driver otherwise
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*/
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esp_err_t esp_netif_transmit(esp_netif_t *esp_netif, void* data, size_t len);
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/**
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* @brief Outputs packets from the TCP/IP stack to the media to be transmitted
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*
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* This function gets called from network stack to output packets to IO driver.
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*
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* @param[in] esp_netif Handle to esp-netif instance
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* @param[in] data Data to be transmitted
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* @param[in] len Length of the data frame
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* @param[in] netstack_buf net stack buffer
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*
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* @return ESP_OK on success, an error passed from the I/O driver otherwise
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*/
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esp_err_t esp_netif_transmit_wrap(esp_netif_t *esp_netif, void *data, size_t len, void *netstack_buf);
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/**
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* @brief Free the rx buffer allocated by the media driver
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*
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* This function gets called from network stack when the rx buffer to be freed in IO driver context,
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* i.e. to deallocate a buffer owned by io driver (when data packets were passed to higher levels
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* to avoid copying)
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*
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* @param[in] esp_netif Handle to esp-netif instance
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* @param[in] buffer Rx buffer pointer
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*/
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void esp_netif_free_rx_buffer(void *esp_netif, void* buffer);
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/**
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* @}
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*/
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#ifdef __cplusplus
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}
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#endif
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#endif //_ESP_NETIF_NET_STACK_H_
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