netdev - [PATCH net-next 1/4] selftests: forwarding: lib: Add tc_rule_handle_stats

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Message-Id: <7348df2bee9f569b8dfbdf9fcd7f2b6f7ead9310.1583170249.git.petrm@mellanox.com>
Date:   Mon,  2 Mar 2020 19:56:02 +0200
From:   Petr Machata <me@...chata.org>
To:     netdev@...r.kernel.org
Cc:     Ido Schimmel <idosch@...lanox.com>,
        Petr Machata <petrm@...lanox.com>,
        David Miller <davem@...emloft.net>,
        Amit Cohen <amitc@...lanox.com>
Subject: [PATCH net-next 1/4] selftests: forwarding: lib: Add tc_rule_handle_stats_get()

From: Petr Machata <petrm@...lanox.com>

The function tc_rule_stats_get() fetches a given statistic of a TC rule
given the rule preference. Another common way to reference a rule is using
its handle. Introduce a dual to the aforementioned function that gets a
statistic given rule handle.

Signed-off-by: Petr Machata <petrm@...lanox.com>
Reviewed-by: Amit Cohen <amitc@...lanox.com>
---
 tools/testing/selftests/net/forwarding/lib.sh | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/tools/testing/selftests/net/forwarding/lib.sh b/tools/testing/selftests/net/forwarding/lib.sh
index 83fd15e3e545..de57e8887a7c 100644
--- a/tools/testing/selftests/net/forwarding/lib.sh
+++ b/tools/testing/selftests/net/forwarding/lib.sh
@@ -626,6 +626,17 @@ tc_rule_stats_get()
 	    | jq ".[1].options.actions[].stats$selector"
 }
 
+tc_rule_handle_stats_get()
+{
+	local id=$1; shift
+	local handle=$1; shift
+	local selector=${1:-.packets}; shift
+
+	tc -j -s filter show $id \
+	    | jq ".[] | select(.options.handle == $handle) | \
+		  .options.actions[0].stats$selector"
+}
+
 ethtool_stats_get()
 {
 	local dev=$1; shift
-- 
2.20.1