netdev - [PATCH net-next 1/4] selftests: mlxsw: qos_dscp

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Date:   Mon, 30 Jan 2023 17:40:01 +0100
From:   Petr Machata <petrm@...dia.com>
To:     "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, <netdev@...r.kernel.org>
CC:     Petr Machata <petrm@...dia.com>,
        Danielle Ratson <danieller@...dia.com>, <mlxsw@...dia.com>
Subject: [PATCH net-next 1/4] selftests: mlxsw: qos_dscp_bridge: Convert from lldptool to dcb

Set up DSCP prioritization through the iproute2 dcb tool, which is easier
to understand and manage.

Signed-off-by: Petr Machata <petrm@...dia.com>
Reviewed-by: Danielle Ratson <danieller@...dia.com>
---
 .../drivers/net/mlxsw/qos_dscp_bridge.sh      | 23 ++++---------------
 1 file changed, 5 insertions(+), 18 deletions(-)

diff --git a/tools/testing/selftests/drivers/net/mlxsw/qos_dscp_bridge.sh b/tools/testing/selftests/drivers/net/mlxsw/qos_dscp_bridge.sh
index 28a570006d4d..87c41f5727c9 100755
--- a/tools/testing/selftests/drivers/net/mlxsw/qos_dscp_bridge.sh
+++ b/tools/testing/selftests/drivers/net/mlxsw/qos_dscp_bridge.sh
@@ -20,7 +20,7 @@
 # | SW |                                                                |     |
 # |  +-|----------------------------------------------------------------|-+   |
 # |  | + $swp1                       BR                           $swp2 + |   |
-# |  |   APP=0,5,10 .. 7,5,17                      APP=0,5,20 .. 7,5,27   |   |
+# |  |   dcb dscp-prio 10:0...17:7            dcb dscp-prio 20:0...27:7   |   |
 # |  +--------------------------------------------------------------------+   |
 # +---------------------------------------------------------------------------+
 
@@ -62,16 +62,6 @@ h2_destroy()
 	simple_if_fini $h2 192.0.2.2/28
 }
 
-dscp_map()
-{
-	local base=$1; shift
-	local prio
-
-	for prio in {0..7}; do
-		echo app=$prio,5,$((base + prio))
-	done
-}
-
 switch_create()
 {
 	ip link add name br1 type bridge vlan_filtering 1
@@ -81,17 +71,14 @@ switch_create()
 	ip link set dev $swp2 master br1
 	ip link set dev $swp2 up
 
-	lldptool -T -i $swp1 -V APP $(dscp_map 10) >/dev/null
-	lldptool -T -i $swp2 -V APP $(dscp_map 20) >/dev/null
-	lldpad_app_wait_set $swp1
-	lldpad_app_wait_set $swp2
+	dcb app add dev $swp1 dscp-prio 10:0 11:1 12:2 13:3 14:4 15:5 16:6 17:7
+	dcb app add dev $swp2 dscp-prio 20:0 21:1 22:2 23:3 24:4 25:5 26:6 27:7
 }
 
 switch_destroy()
 {
-	lldptool -T -i $swp2 -V APP -d $(dscp_map 20) >/dev/null
-	lldptool -T -i $swp1 -V APP -d $(dscp_map 10) >/dev/null
-	lldpad_app_wait_del
+	dcb app del dev $swp2 dscp-prio 20:0 21:1 22:2 23:3 24:4 25:5 26:6 27:7
+	dcb app del dev $swp1 dscp-prio 10:0 11:1 12:2 13:3 14:4 15:5 16:6 17:7
 
 	ip link set dev $swp2 down
 	ip link set dev $swp2 nomaster
-- 
2.39.0