Proposal: expose eth_handle to enable promiscuous mode in user modules #17221
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orbison
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I would suggest opening a PR, and make sure to add a flag to optionally enable the functionality. |
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Hi there,
First-time post here - I've been working with MicroPython for a bit and figured I'd share something that might be helpful.
I’ve been developing a project that involves listening for broadcasts on the network and processing them in MicroPython code. For this to work - at least on the ESP32 port - promiscuous mode must be enabled on the interface by calling ioctl with an eth_handle. However, eth_handle is part of the internal lan_if_obj_t structure within the network_lan module.
To allow user-written C modules to use ioctl with this handle, I’ve added a simple function called get_eth_handle, and I’d like to propose it for inclusion in the main tree.
Do you consider this a worthwhile addition? Should I go ahead and submit a pull request?
As a follow-up, I’m planning to submit a new module, eth_sniffer, which takes a network.LAN instance, a queue, and a lock, and appends packets sniffed from the network into the queue while using the lock for synchronisation.
Comments and suggestions are very welcome :-)
- Ross
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