netdev - Re: [PATCH v4 net-next 16/16] tcp_bbr: add BBR congestion control

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Date:   Tue, 20 Sep 2016 11:48:14 -0700
From:   Stephen Hemminger <stephen@...workplumber.org>
To:     Neal Cardwell <ncardwell@...gle.com>
Cc:     David Miller <davem@...emloft.net>, netdev@...r.kernel.org,
        Van Jacobson <vanj@...gle.com>,
        Yuchung Cheng <ycheng@...gle.com>,
        Nandita Dukkipati <nanditad@...gle.com>,
        Eric Dumazet <edumazet@...gle.com>,
        Soheil Hassas Yeganeh <soheil@...gle.com>
Subject: Re: [PATCH v4 net-next 16/16] tcp_bbr: add BBR congestion control

On Mon, 19 Sep 2016 23:39:23 -0400
Neal Cardwell <ncardwell@...gle.com> wrote:

> +/* INET_DIAG_BBRINFO */
> +
> +struct tcp_bbr_info {
> +	/* u64 bw: max-filtered BW (app throughput) estimate in Byte per sec: */
> +	__u32	bbr_bw_lo;		/* lower 32 bits of bw */
> +	__u32	bbr_bw_hi;		/* upper 32 bits of bw */
> +	__u32	bbr_min_rtt;		/* min-filtered RTT in uSec */
> +	__u32	bbr_pacing_gain;	/* pacing gain shifted left 8 bits */
> +	__u32	bbr_cwnd_gain;		/* cwnd gain shifted left 8 bits */
> +};
> +

I assume there is a change to iproute (ss) to dump this info?