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From: Neal Cardwell <ncardwell@google.com>
To: Andrew Shewmaker <agshew@gmail.com>
Cc: Yuchung Cheng <ycheng@google.com>,
	David Miller <davem@davemloft.net>,
	Netdev <netdev@vger.kernel.org>,
	Eric Dumazet <edumazet@google.com>
Subject: Re: [PATCH net-next 2/7] tcp: track min RTT using windowed min-filter
Date: Sun, 18 Oct 2015 10:33:41 -0400	[thread overview]
Message-ID: <CADVnQyk1e+csk_kX3D+E2CCeBi3sAKGjePEn3bAWceVFNf02Fg@mail.gmail.com> (raw)
In-Reply-To: <20151014092800.GA3748@mininet-vm>

On Wed, Oct 14, 2015 at 5:28 AM, Andrew Shewmaker <agshew@gmail.com> wrote:
>> diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
>> index 38743e5..e177386 100644
>> --- a/net/ipv4/tcp_input.c
>> +++ b/net/ipv4/tcp_input.c
> ...
>> @@ -2961,7 +3028,7 @@ void tcp_synack_rtt_meas(struct sock *sk, struct request_sock *req)
>>               rtt_us = skb_mstamp_us_delta(&now, &tcp_rsk(req)->snt_synack);
>>       }
>>
>> -     tcp_ack_update_rtt(sk, FLAG_SYN_ACKED, rtt_us, -1L);
>> +     tcp_ack_update_rtt(sk, FLAG_SYN_ACKED, rtt_us, -1L, rtt_us);
>>  }
>
> This didn't apply to net-next for me. I see seq_rtt_us instead of
> rtt_us and a check on the existence of tp->srtt_us. Maybe I've
> misapplied the patch?

This patch series applies cleanly for me against David Miller's
net-next at SHA1 4be3158 (from Friday Oct 16). (Using "git am" on the
mbox patches from http://patchwork.ozlabs.org/project/netdev/list/
...)

On top of what SHA1 are you applying the series?

neal

  reply	other threads:[~2015-10-18 14:33 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-17  4:57 [PATCH net-next 0/7] RACK loss detection Yuchung Cheng
2015-10-17  4:57 ` [PATCH net-next 1/7] tcp: apply Kern's check on RTTs used for congestion control Yuchung Cheng
2016-02-02 19:30   ` Kenneth Klette Jonassen
2016-02-02 23:28     ` Yuchung Cheng
2015-10-17  4:57 ` [PATCH net-next 2/7] tcp: track min RTT using windowed min-filter Yuchung Cheng
2015-10-14  9:28   ` Andrew Shewmaker
2015-10-18 14:33     ` Neal Cardwell [this message]
2015-10-14 13:25       ` Andrew Shewmaker
2015-10-19  4:39     ` Andrew Shewmaker
2015-10-17  4:57 ` [PATCH net-next 3/7] tcp: remove tcp_mark_lost_retrans() Yuchung Cheng
2015-10-17  4:57 ` [PATCH net-next 4/7] tcp: add tcp_tsopt_ecr_before helper Yuchung Cheng
2015-10-17  4:57 ` [PATCH net-next 5/7] tcp: skb_mstamp_after helper Yuchung Cheng
2015-10-17  4:57 ` [PATCH net-next 6/7] tcp: track the packet timings in RACK Yuchung Cheng
2015-10-17  4:57 ` [PATCH net-next 7/7] tcp: use RACK to detect losses Yuchung Cheng
2015-10-21 14:01 ` [PATCH net-next 0/7] RACK loss detection David Miller

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