kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

 kernel/tools/testing/selftests/drivers/net/mlxsw/router_scale.sh
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@@ -2,16 +2,15 @@
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 # SPDX-License-Identifier: GPL-2.0
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 ROUTER_NUM_NETIFS=4
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+: ${TIMEOUT:=20000} # ms
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 router_h1_create()
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 {
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 	simple_if_init $h1 192.0.1.1/24
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-	ip route add 193.0.0.0/8 via 192.0.1.2 dev $h1
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 }
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 router_h1_destroy()
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 {
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-	ip route del 193.0.0.0/8 via 192.0.1.2 dev $h1
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 	simple_if_fini $h1 192.0.1.1/24
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 }
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..
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@@ -64,13 +63,15 @@
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 	router_create
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 }
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-router_offload_validate()
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+wait_for_routes()
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 {
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-	local route_count=$1
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-	local offloaded_count
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+	local t0=$1; shift
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+	local route_count=$1; shift
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-	offloaded_count=$(ip route | grep -o 'offload' | wc -l)
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-	[[ $offloaded_count -ge $route_count ]]
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+	local t1=$(ip route | grep -o 'offload' | wc -l)
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+	local delta=$((t1 - t0))
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+	echo $delta
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+	[[ $delta -ge $route_count ]]
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 }
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 router_routes_create()
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@@ -90,8 +91,8 @@
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 					break 3
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 				fi
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-				echo route add 193.${i}.${j}.${k}/32 via \
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-				       192.0.2.1 dev $rp2  >> $ROUTE_FILE
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+				echo route add 193.${i}.${j}.${k}/32 dev $rp2 \
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+					>> $ROUTE_FILE
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 				((count++))
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 			done
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 		done
..
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@@ -111,44 +112,18 @@
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 {
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 	local route_count=$1
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 	local should_fail=$2
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-	local count=0
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+	local delta
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 	RET=0
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+	local t0=$(ip route | grep -o 'offload' | wc -l)
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 	router_routes_create $route_count
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+	delta=$(busywait "$TIMEOUT" wait_for_routes $t0 $route_count)
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-	router_offload_validate $route_count
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-	check_err_fail $should_fail $? "Offload of $route_count routes"
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+	check_err_fail $should_fail $? "Offload routes: Expected $route_count, got $delta."
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 	if [[ $RET -ne 0 ]] || [[ $should_fail -eq 1 ]]; then
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 		return
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 	fi
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-
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-	tc filter add dev $h2 ingress protocol ip pref 1 flower \
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-		skip_sw dst_ip 193.0.0.0/8 action drop
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-
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-	for i in {0..255}
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-	do
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-		for j in {0..255}
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-		do
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-			for k in {0..255}
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-			do
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-				if [[ $count -eq $route_count ]]; then
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-					break 3
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-				fi
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-
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-				$MZ $h1 -c 1 -p 64 -a $h1mac -b $rp1mac \
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-					-A 192.0.1.1 -B 193.${i}.${j}.${k} \
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-					-t ip -q
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-				((count++))
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-			done
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-		done
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-	done
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-
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-	tc_check_packets "dev $h2 ingress" 1 $route_count
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-	check_err $? "Offload mismatch"
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-
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-	tc filter del dev $h2 ingress protocol ip pref 1 flower \
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-		skip_sw dst_ip 193.0.0.0/8 action drop
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127
 
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 	router_routes_destroy
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 }