From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephen Hemminger <stephen@networkplumber.org>
Subject: Re: [PATCH iproute2] ss: add support for delivered and delivered_ce
 fields
Date: Wed, 28 Nov 2018 16:01:14 -0800
Message-ID: <20181128160114.1601f7e2@xeon-e3>
References: <20181126222953.179043-1-edumazet@google.com>
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Cc: David Ahern <dsahern@gmail.com>, netdev <netdev@vger.kernel.org>,
        Eric Dumazet <eric.dumazet@gmail.com>
To: Eric Dumazet <edumazet@google.com>
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On Mon, 26 Nov 2018 14:29:53 -0800
Eric Dumazet <edumazet@google.com> wrote:

> Kernel support was added in linux-4.18 in commit feb5f2ec6464
> ("tcp: export packets delivery info")
> 
> Tested:
> 
> ss -ti
> ...
> ESTAB   0 2270520      [2607:f8b0:8099:e16::]:47646   [2607:f8b0:8099:e18::]:38953
> 	 ts sack cubic wscale:8,8 rto:7 rtt:2.824/0.278 mss:1428
>      pmtu:1500 rcvmss:536 advmss:1428 cwnd:89 ssthresh:62 bytes_acked:2097871945
>     segs_out:1469144 segs_in:65221 data_segs_out:1469142 send 360.0Mbps lastsnd:2
>     lastrcv:99231 lastack:2 pacing_rate 431.9Mbps delivery_rate 246.4Mbps
> (*) delivered:1469099 delivered_ce:424799
>     busy:99231ms unacked:44 rcv_space:14280 rcv_ssthresh:65535
>     notsent:2207688 minrtt:0.228
> 
> Signed-off-by: Eric Dumazet <edumazet@google.com>

Applied