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Index > Heap > Question about network devices (ethernet, WiFi, etc.)

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axlucas



Joined: 02 May 2014
Posts: 66
Location: Argentina
axlucas
Hey, guys. If there's somebody who can explain this to me, he or she has to be on this forum. I don't know anywhere else to ask this and if I look up in a search engine, I get dumb unrelated stuff.

I'm used to the idea that computers use TCP/IP to communicate over the network, and that in DOS it was popular to use IPX/SPX for networking games. But this is just protocols. I realise that a network card, underneath the software, has to be more like a simple serial port, but they never are documented that way at all. So I wonder...

Are ethernet cards and WiFi ports actual hardware-based protocol handlers or are protocols really only handled by drivers and cards only do the basic data exchange? Is there such a thing like "raw ethernet"? Say I want to build a driver to simply send and receive data and leave the protocol stuff to the application. Can I do such thing? Anybody can show me the way (i.e.: give me some links) for anything close to this approach?

In brief: What ARE ethernet cards and WiFi devices?
Post 17 Feb 2015, 19:15
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typedef



Joined: 25 Jul 2010
Posts: 2913
Location: 0x77760000
typedef
Start here: OSI model
Post 17 Feb 2015, 19:57
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