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Date: Thu, 3 Mar 2022 12:57:35 +0100
From: Davide Caratti <dcaratti@...hat.com>
To: Thomas Higdon <tph@...com>, netdev@...r.kernel.org,
David Ahern <dsahern@...nel.org>
Cc: Stefano Brivio <sbrivio@...hat.com>
Subject: [PATCH iproute2-next] ss: display advertised TCP receive window and out-of-order counter
these members of TCP_INFO have been included in v5.4.
tested with:
# ss -nti
Signed-off-by: Davide Caratti <dcaratti@...hat.com>
---
misc/ss.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/misc/ss.c b/misc/ss.c
index f7d369142d93..d77b7f10dc43 100644
--- a/misc/ss.c
+++ b/misc/ss.c
@@ -854,6 +854,8 @@ struct tcpstat {
unsigned int reord_seen;
double rcv_rtt;
double min_rtt;
+ unsigned int rcv_ooopack;
+ unsigned int snd_wnd;
int rcv_space;
unsigned int rcv_ssthresh;
unsigned long long busy_time;
@@ -2654,6 +2656,10 @@ static void tcp_stats_print(struct tcpstat *s)
out(" notsent:%u", s->not_sent);
if (s->min_rtt)
out(" minrtt:%g", s->min_rtt);
+ if (s->rcv_ooopack)
+ out(" rcv_oopack:%u", s->rcv_ooopack);
+ if (s->snd_wnd)
+ out(" snd_wnd:%u", s->snd_wnd);
}
static void tcp_timer_print(struct tcpstat *s)
@@ -3088,6 +3094,8 @@ static void tcp_show_info(const struct nlmsghdr *nlh, struct inet_diag_msg *r,
s.reord_seen = info->tcpi_reord_seen;
s.bytes_sent = info->tcpi_bytes_sent;
s.bytes_retrans = info->tcpi_bytes_retrans;
+ s.rcv_ooopack = info->tcpi_rcv_ooopack;
+ s.snd_wnd = info->tcpi_snd_wnd;
tcp_stats_print(&s);
free(s.dctcp);
free(s.bbr_info);
--
2.35.1
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