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Message-ID: <20111116094550.61b73eee@nehalam.linuxnetplumber.net> Date: Wed, 16 Nov 2011 09:45:50 -0800 From: Stephen Hemminger <shemminger@...tta.com> To: Eric Dumazet <eric.dumazet@...il.com> Cc: netdev@...r.kernel.org Subject: Re: [PATCH iproute2] ss: report ecnseen On Wed, 16 Nov 2011 05:51:27 +0100 Eric Dumazet <eric.dumazet@...il.com> wrote: > Support ECNSEEN reporting in ss command. > > ESTAB 0 0 10.170.73.123:4900 > 10.170.73.125:51001 uid:501 ino:385994 sk:f31e5f00 > mem:(r0,w0,f0,t0) ts sack ecn ecnseen bic wscale:8,8 rto:210 > rtt:18.75/15 ato:40 cwnd:10 send 69.9Mbps rcv_space:32768 > > "ecn" means TCP session negociated ECN capability (TCP layer) at setup > time > > "ecnseen" at least one frame with ECT(0) or ECT(1) or ECN (IP layer) was > received from peer. > > Signed-off-by: Eric Dumazet <eric.dumazet@...il.com> > --- > include/netinet/tcp.h | 1 + > misc/ss.c | 2 ++ > 2 files changed, 3 insertions(+) > > diff --git a/include/netinet/tcp.h b/include/netinet/tcp.h > index 282b29c..95a4fe6 100644 > --- a/include/netinet/tcp.h > +++ b/include/netinet/tcp.h > @@ -172,6 +172,7 @@ enum > # define TCPI_OPT_SACK 2 > # define TCPI_OPT_WSCALE 4 > # define TCPI_OPT_ECN 8 > +# define TCPI_OPT_ECNSEEN 16 Please use same name as include/linux/tcp.h TCPI_OPT_ECN_SEEN Also, need to get this to glibc to make it included in standard distro headers. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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