TCP get SND_CWND change on loss event

2017-05-27 Thread Lars Erik Storbukås
/* Otherwise enter Recovery state */ tcp_enter_recovery(sk, (flag & FLAG_ECE)); fast_rexmit = 1; reduced_congestion_window = tp->snd_cwnd; ... } Does anyone have advice on where (and how) to implement this? Does any of the proposed solutions above seem logical? / Lars Erik Storbukås

Get amount of fast retransmissions from TCP info

2017-04-24 Thread Lars Erik Storbukås
I'm trying to get amount of congestion events in TCP caused by DUPACK's (fast retransmissions), and can't seem to find any variable in the TCP info struct which hold that value. There are three variables in the TCP info struct that seem to hold similar congestion values: __u8 tcpi_retransmits;__u32

Re: Get amount of fast retransmissions from TCP info

2017-04-24 Thread Lars Erik Storbukås
2017-04-24 21:42 GMT+02:00 Neal Cardwell : > On Mon, Apr 24, 2017 at 3:11 PM, Lars Erik Storbukås > wrote: >> I'm trying to get amount of congestion events in TCP caused by >> DUPACK's (fast retransmissions), and can't seem to find any variable >> in th

Re: Get amount of fast retransmissions from TCP info

2017-04-24 Thread Lars Erik Storbukås
2017-04-24 23:00 GMT+02:00 Neal Cardwell : > On Mon, Apr 24, 2017 at 4:20 PM, Lars Erik Storbukås > wrote: >> 2017-04-24 21:42 GMT+02:00 Neal Cardwell : >>> On Mon, Apr 24, 2017 at 3:11 PM, Lars Erik Storbukås >>> wrote: >>>> I'm trying to g

Process phantom ECN event in TCP without CWR response

2017-05-22 Thread Lars Erik Storbukås
ate to network conditions and remaining time before the deadline, to balance timeliness and transmission aggressiveness. / Lars Erik Storbukås (storbukas@gmail.com)

Process phantom ECN event in TCP without CWR response

2017-05-22 Thread Lars Erik Storbukås
ate to network conditions and remaining time before the deadline, to balance timeliness and transmission aggressiveness. / Lars Erik Storbukås (storbukas@gmail.com)

Re: Get amount of fast retransmissions from TCP info

2017-05-03 Thread Lars Erik Storbukås
2017-04-25 0:20 GMT+02:00 Andreas Petlund : > >> On 24 Apr 2017, at 23:31, Lars Erik Storbukås >> wrote: >> >> 2017-04-24 23:00 GMT+02:00 Neal Cardwell : >>> On Mon, Apr 24, 2017 at 4:20 PM, Lars Erik Storbukås >>> wrote: >>>> 2017-0