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feat(eppp): Add support for TUN interface

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* Implement factory pattern
* Make netif type configurable (PPP vs. TUN)
* Use ICMP for TUN netif connection
* Relax deps criteria (mainly for Ethernet)use the tun feature
This commit is contained in:
David Cermak
2025-04-30 10:40:37 +02:00
parent b8cdd373f4
commit 2ff150c310
22 changed files with 1531 additions and 705 deletions
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13
components/eppp_link/examples/host/main/app_main.c
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2023-2024 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2023-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Unlicense OR CC0-1.0
*/
@@ -104,13 +104,24 @@ void app_main(void)
eppp_config_t config = EPPP_DEFAULT_CLIENT_CONFIG();
#if CONFIG_EPPP_LINK_DEVICE_SPI
config.transport = EPPP_TRANSPORT_SPI;
config.spi.is_master = true;
config.spi.host = CONFIG_EXAMPLE_SPI_HOST;
config.spi.mosi = CONFIG_EXAMPLE_SPI_MOSI_PIN;
config.spi.miso = CONFIG_EXAMPLE_SPI_MISO_PIN;
config.spi.sclk = CONFIG_EXAMPLE_SPI_SCLK_PIN;
config.spi.cs = CONFIG_EXAMPLE_SPI_CS_PIN;
config.spi.intr = CONFIG_EXAMPLE_SPI_INTR_PIN;
config.spi.freq = CONFIG_EXAMPLE_SPI_FREQUENCY;
#elif CONFIG_EPPP_LINK_DEVICE_UART
config.transport = EPPP_TRANSPORT_UART;
config.uart.tx_io = CONFIG_EXAMPLE_UART_TX_PIN;
config.uart.rx_io = CONFIG_EXAMPLE_UART_RX_PIN;
config.uart.baud = CONFIG_EXAMPLE_UART_BAUDRATE;
#elif CONFIG_EPPP_LINK_DEVICE_ETH
config.transport = EPPP_TRANSPORT_ETHERNET;
#else
config.transport = EPPP_TRANSPORT_SDIO;
config.sdio.is_host = true;
#endif
esp_netif_t *eppp_netif = eppp_connect(&config);
if (eppp_netif == NULL) {