wehub-resource-sync
33 lines
844 B
C
33 lines
844 B
C
/*
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* SPDX-FileCopyrightText: 2021-2022 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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/**
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* @file esp_pbuf reference interface file
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*/
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#pragma once
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#include <stddef.h>
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#include "lwip/pbuf.h"
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#include "esp_netif.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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* @brief Allocate custom pbuf containing pointer to a private l2-free function
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*
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* @note pbuf_free() will deallocate this custom pbuf and call the driver assigned free function
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* @note The returned pbuf can outlive esp_netif driver configuration updates or esp_netif teardown.
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* The driver handle and RX-buffer free callback captured during allocation must remain valid
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* until the pbuf is freed.
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*/
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struct pbuf* esp_pbuf_allocate(esp_netif_t *esp_netif, void *buffer, size_t len, void *l2_buff);
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#ifdef __cplusplus
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}
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#endif
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