Revert "init.sh: take local lookup rule priority as an argument"

This reverts commit e370f6e.

Signed-off-by: André Martins <[email protected]>

bpf/init.sh

@@ -29,7 +29,6 @@ ENDPOINT_ROUTES=${22}
 PROXY_RULE=${23}
 FILTER_PRIO=${24}
 DEFAULT_RTPROTO=${25}
-LOCAL_RULE_PRIO=${26}
 
 ID_HOST=1
 ID_WORLD=2
@@ -76,21 +75,21 @@ function move_local_rules_af()
 		return
 	fi
 
-	# move the local table lookup rule from pref 0 to pref LOCAL_RULE_PRIO so we
-	# can insert the cilium ip rules before the local table. It is strictly
+	# move the local table lookup rule from pref 0 to pref 100 so we can
+	# insert the cilium ip rules before the local table. It is strictly
 	# required to add the new local rule before deleting the old one as
 	# otherwise local addresses will not be reachable for a short period of
 	# time.
-	$IP rule list | grep "${LOCAL_RULE_PRIO}" | grep "lookup local" || {
-		$IP rule add from all lookup local pref ${LOCAL_RULE_PRIO} proto $DEFAULT_RTPROTO
+	$IP rule list | grep 100 | grep "lookup local" || {
+		$IP rule add from all lookup local pref 100 proto $DEFAULT_RTPROTO
 	}
 	$IP rule del from all lookup local pref 0 2> /dev/null || true
 
 	# check if the move of the local table move was successful and restore
 	# it otherwise
 	if [ "$($IP rule list | grep "lookup local" | wc -l)" -eq "0" ]; then
 		$IP rule add from all lookup local pref 0 proto $DEFAULT_RTPROTO
-		$IP rule del from all lookup local pref ${LOCAL_RULE_PRIO}
+		$IP rule del from all lookup local pref 100
 		echo "Error: The kernel does not support moving the local table routing rule"
 		echo "Local routing rules:"
 		$IP rule list lookup local

pkg/datapath/loader/base.go

@@ -62,7 +62,6 @@ const (
 	initArgProxyRule
 	initTCFilterPriority
 	initDefaultRTProto
-	initLocalRulePriority
 	initArgMax
 )
 
@@ -406,7 +405,6 @@ func (l *Loader) Reinitialize(ctx context.Context, o datapath.BaseProgramOwner,
 
 	args[initTCFilterPriority] = strconv.Itoa(int(option.Config.TCFilterPriority))
 	args[initDefaultRTProto] = strconv.Itoa(linux_defaults.RTProto)
-	args[initLocalRulePriority] = strconv.Itoa(linux_defaults.RulePriorityLocalLookup)
 
 	// "Legacy" datapath inizialization with the init.sh script
 	// TODO(mrostecki): Rewrite the whole init.sh in Go, step by step.