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Re: [lwip-users] Length of the packet from low_level_input()
From: |
Paul Archer |
Subject: |
Re: [lwip-users] Length of the packet from low_level_input() |
Date: |
Wed, 8 Dec 2010 19:15:21 +1100 |
> That's correct. lwIP does not check or creat the FCS, nor does it care for
> padding. Both have to be handled by the driver or hardware (as do many MACs I
> know).
Thanks for confirming this. It allowed me to be confident I had some
other problems. (I am set up sending and receiving packets now)
I have a follow up question, now that I am sending and receiving
packets, I am wondering what sort of locking I need to provide on my
driver. Can two threads enter into the low_level() functions? (I am
running lwip with an OS, with a socket based model, and I am using an
Ethernet RX worker task that will run after an RX interrupt)
I think this should be added to the documentation as the description
about the length of packets is rather slim. I don't mind editing the
wiki if no one has objections.
Regards Paul
>
> Simon
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--
----
Regards
Paul Archer
address@hidden
- [lwip-users] Length of the packet from low_level_input(), Paul Archer, 2010/12/06
- Re: [lwip-users] Length of the packet from low_level_input(), Simon Goldschmidt, 2010/12/06
- Re: [lwip-users] Length of the packet from low_level_input(),
Paul Archer <=
- Re: [lwip-users] Length of the packet from low_level_input(), Paul Archer, 2010/12/08
- Re: [lwip-users] Length of the packet from low_level_input(), Martin Velek, 2010/12/08
- Re: [lwip-users] Length of the packet from low_level_input(), Yoav Nissim, 2010/12/08
- Re: [lwip-users] Length of the packet from low_level_input(), Martin Velek, 2010/12/08
- RE: [lwip-users] Length of the packet from low_level_input(), Bill Auerbach, 2010/12/08
- Re: [lwip-users] Length of the packet from low_level_input(), Yoav Nissim, 2010/12/08
- Re: RE: [lwip-users] Length of the packet from low_level_input(), Simon Goldschmidt, 2010/12/09
- Re: RE: [lwip-users] Length of the packet from low_level_input(), Paul Archer, 2010/12/09
- Re: [lwip-users] Length of the packet from low_level_input(), Simon Goldschmidt, 2010/12/10
- Re: RE: [lwip-users] Length of the packet from low_level_input(), Martin Velek, 2010/12/10