Message ID | 1321419087.32381.3.camel@edumazet-laptop |
---|---|
State | Changes Requested, archived |
Delegated to: | stephen hemminger |
Headers | show |
On Wed, 16 Nov 2011 05:51:27 +0100 Eric Dumazet <eric.dumazet@gmail.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@gmail.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@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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 /* Values for tcpi_state. */ enum tcp_ca_state diff --git a/misc/ss.c b/misc/ss.c index b00841b..778bf0a 100644 --- a/misc/ss.c +++ b/misc/ss.c @@ -1357,6 +1357,8 @@ static void tcp_show_info(const struct nlmsghdr *nlh, struct inet_diag_msg *r) printf(" sack"); if (info->tcpi_options & TCPI_OPT_ECN) printf(" ecn"); + if (info->tcpi_options & TCPI_OPT_ECNSEEN) + printf(" ecnseen"); } if (tb[INET_DIAG_CONG])
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@gmail.com> --- include/netinet/tcp.h | 1 + misc/ss.c | 2 ++ 2 files changed, 3 insertions(+) -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html