nginx-quic: setting transport parameters

[Sergey Kandaurov]

> On 27 Jan 2021, at 13:16, Sergey Kandaurov <pluknet at nginx.com> wrote:
> 
>> 
>> On 26 Jan 2021, at 13:26, Kyriakos Zarifis <kyr.zarifis at gmail.com> wrote:
>> 
>> Hi, 
>> 
>> I can't seem to set a few of the quic parameters using their respective directives.
>> Specifically, doing e.g. this in the conf:
>>        quic_max_udp_payload_size 1472;
>>        quic_max_ack_delay 10;
>>        quic_ack_delay_exponent 2;
>> 
>> ... results in the default values being sent (as seen in qvis):
>>        "max_packet_size": 65527
>>        "max_ack_delay": 25
>>        "ack_delay_exponent": 3
>> 
>> Other parameters (like quic_inital_*) are being set just fine. Any idea what I might be doing wrong for these 3 above?
> 
> These directives do not currently affect sending transport parameters.
> It needs to be fixed.

This was recently fixed:
https://hg.nginx.org/nginx-quic/rev/75603531064a

> 
>> p.s. I think quic_max_packet_size needs to be updated to quic_max_udp_payload_size in the README to match the latest drafts and code.
> 
> This one has been fixed, thanks.
> https://hg.nginx.org/nginx-quic/rev/27bd6dc24426

-- 
Sergey Kandaurov