netdev - [PATCH iproute2 3/3] ss: mptcp: print missing info counters

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Date: Wed, 23 Aug 2023 09:24:08 +0200
From: Matthieu Baerts <matthieu.baerts@...sares.net>
To: Stephen Hemminger <stephen@...workplumber.org>, netdev@...r.kernel.org
Cc: mptcp@...ts.linux.dev, Matthieu Baerts <matthieu.baerts@...sares.net>, 
 Paolo Abeni <pabeni@...hat.com>, Andrea Claudi <aclaudi@...hat.com>
Subject: [PATCH iproute2 3/3] ss: mptcp: print missing info counters

These new counters have been added in different kernel versions:

- v5.12: local_addr_used, local_addr_max

- v5.13: csum_enabled

- v6.5: retransmits, bytes_retrans, bytes_sent, bytes_received,
  bytes_acked

It is interesting to display them if they are available.

Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/415
Acked-by: Paolo Abeni <pabeni@...hat.com>
Acked-by: Andrea Claudi <aclaudi@...hat.com>
Signed-off-by: Matthieu Baerts <matthieu.baerts@...sares.net>
---
 misc/ss.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/misc/ss.c b/misc/ss.c
index d1779b1d..9a6188bb 100644
--- a/misc/ss.c
+++ b/misc/ss.c
@@ -3255,6 +3255,22 @@ static void mptcp_stats_print(struct mptcp_info *s)
 		out(" snd_una:%llu", s->mptcpi_snd_una);
 	if (s->mptcpi_rcv_nxt)
 		out(" rcv_nxt:%llu", s->mptcpi_rcv_nxt);
+	if (s->mptcpi_local_addr_used)
+		out(" local_addr_used:%u", s->mptcpi_local_addr_used);
+	if (s->mptcpi_local_addr_max)
+		out(" local_addr_max:%u", s->mptcpi_local_addr_max);
+	if (s->mptcpi_csum_enabled)
+		out(" csum_enabled:%u", s->mptcpi_csum_enabled);
+	if (s->mptcpi_retransmits)
+		out(" retransmits:%u", s->mptcpi_retransmits);
+	if (s->mptcpi_bytes_retrans)
+		out(" bytes_retrans:%llu", s->mptcpi_bytes_retrans);
+	if (s->mptcpi_bytes_sent)
+		out(" bytes_sent:%llu", s->mptcpi_bytes_sent);
+	if (s->mptcpi_bytes_received)
+		out(" bytes_received:%llu", s->mptcpi_bytes_received);
+	if (s->mptcpi_bytes_acked)
+		out(" bytes_acked:%llu", s->mptcpi_bytes_acked);
 }
 
 static void mptcp_show_info(const struct nlmsghdr *nlh, struct inet_diag_msg *r,

-- 
2.40.1