Hi, i would like to ask if there is an API function to configure the MAC to filter out (not accept) multicast and broadcast Ethernet frames. Ethernet is connected wired through external PHY. I found some specification on that in the reference manual but nothing in the API interface. Multicast and B...

Fantastic project @maximekli Ethernet driver does have a dedicated task to doing packets receiving stuffs. Unfortunately, there's no way to pin that task to a specific core for now. But it's easy to add that support in esp-idf and won't break any API. I think it's reasonable to have such an option. ...

从打印日志来看 ESP-IDF v4.2-dev-1034-ge599b79-dirty ，你在使用的是4.2版本的IDF，该版本下，ECO3芯片的单核模式确实会出现这个小问题，我们已经修复好了，近期会推送到github。

方便提供更多详细log吗（建议在 component config->Log output->Default log verbosity下选择Debug模式）？我们需要根据你的log信息来排查

simon2020 wrote: ↑

Tue Apr 28, 2020 2:59 pm

我也是接的lan8720，用gpio0输出波，用示波器检测gpio0有50mhz的时钟，但是没法正常工作，得不到IP地址，是不是要把gpio0的相位翻转一下，请问软件里怎么翻转gpio0的相位。

软件翻转GPIO0的时钟相位做不到，只能硬件加个反相器。
得不到IP地址就是因为RMII时钟在MAC侧和PHY侧的相位偏差太大，无法同步。
建议还是使用晶振提供该RMII时钟，更稳定。

单核模式还是双核模式？

你能描述一下你的以太网硬件连接情况吗？出现这个问题的原因是你的硬件连接或者是软件配置没有设置正确。
请先阅读https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/network/esp_eth.html

GPIO0 输出RMII时钟切记在Kconfig中要勾选 CONFIG_PHY_CLOCK_GPIO0_OUT

另外，以太网部分除了可以参考example中的README讲解，也可以参阅官方的API Reference 文档：https://docs.espressif.com/projects/esp ... p_eth.html

Could you tell me which version you're using for your application by git describe .

From my side, it's impossible if malloc succeed but failed the check in https://sourcegraph.com/github.com/espr ... p32.c#L233

For question A, it's hard to say since I don't know your harware: which PHY, how it connected to esp32, where the RMII clock comes from, etc.

For question B, sure, we already fixed it in our internal repo, will push it to GItHub ASAP