From df49995c6b73f62f716fbde5d75204fd83460ed3 Mon Sep 17 00:00:00 2001
From: Stefano Pigozzi <me@steffo.eu>
Date: Sat, 12 Oct 2024 04:26:28 +0200
Subject: [PATCH] Add comment explaining chk_nr

---
 tools/testing/selftests/net/mptcp/diag.sh | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/tools/testing/selftests/net/mptcp/diag.sh b/tools/testing/selftests/net/mptcp/diag.sh
index 776d43a6922d..0b8ff6e7fa52 100755
--- a/tools/testing/selftests/net/mptcp/diag.sh
+++ b/tools/testing/selftests/net/mptcp/diag.sh
@@ -75,6 +75,13 @@ __chk_msk_nr()
 	local condition=$1
 	shift 1
 
+	# ss: dumps socket statistics
+	# -i/--info: show internal TCP information
+	# -n/--numeric: prefer machine output to human output
+	# -m/--memory: show socket memory usage
+	# -H/--no-header: don't print header
+	# -M/--mptcp: display mptcp sockets
+	# -N/--net: use specified network namespace name
 	__chk_nr "ss -inmHMN $ns | $condition" "$@"
 }