noctra/iproute2-next
1
0
Fork 0
Code Issues Pull Requests Releases Activity

ss: report ecnseen

Browse Source 
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>
This commit is contained in:
Eric Dumazet
2011-11-16 07:59:06 +00:00
committed by Stephen Hemminger
parent fcbd0165fc
commit 719b958bbd
2 changed files with 3 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
include/netinet/tcp.h
View File

@@ -172,6 +172,7 @@ enum
# define TCPI_OPT_SACK 2
# define TCPI_OPT_WSCALE 4
# define TCPI_OPT_ECN 8
# define TCPI_OPT_ECN_SEEN 16
/* Values for tcpi_state. */
enum tcp_ca_state

2
misc/ss.c
View File

@@ -1363,6 +1363,8 @@ 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_ECN_SEEN)
printf(" ecnseen");
}
if (tb[INET_DIAG_CONG])