Message ID | 1318389501.3686.8.camel@edumazet-laptop |
---|---|
State | Accepted, archived |
Delegated to: | stephen hemminger |
Headers | show |
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 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