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

On Tue, Sep 20, 2016 at 11:48 AM, Stephen Hemminger
[off-list ref] wrote:

On Mon, 19 Sep 2016 23:39:23 -0400
Neal Cardwell [off-list ref] wrote:

quoted

+/* 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?

Yes, should come right after :-)