ECN+ Implementation

[Patrick M. Hausen]

Hi!

> I am trying to implement ECN+ (rfc5562 <https://tools.ietf.org/html/rfc5562>)
> in FreeBSD.
> I am not able to figure out the code where SYN and SYN+ACK is sent and
> received.
> Please guide me to correct part of code. It was looking into tcp_input.c
> and tcp_output.c but couldn't get it for sure.
> Sorry for simple questions, I am a beginner.

You might want to get your hands on a copy of this:
https://www.amazon.com/dp/B0026OR0JM <https://www.amazon.com/dp/B0026OR0JM>

Dated, but according to Kirk McKusick not outdated.

My copy is at my office, so I can’t have a look for you right now.

HTH,
Patrick
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