Implementation of minimal fallback mode needed especially for masquer…

…ading
loxilb-io · Feb 1, 2024 · 49ac0bc · 49ac0bc
1 parent 53c9936
commit 49ac0bc
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Showing 3 changed files with 12 additions and 5 deletions.
diff --git a/loxilb-ebpf b/loxilb-ebpf
diff --git a/loxinet/route.go b/loxinet/route.go
@@ -19,11 +19,10 @@ package loxinet
 import (
 	"errors"
 	"fmt"
-	"net"
-
-	tk "github.com/loxilb-io/loxilib"
-
 	cmn "github.com/loxilb-io/loxilb/common"
+	opts "github.com/loxilb-io/loxilb/options"
+	tk "github.com/loxilb-io/loxilib"
+	"net"
 )
 
 // error codes
@@ -471,6 +470,13 @@ func (rt *Rt) DP(work DpWorkT) int {
 		return -1
 	}
 
+	if opts.Opts.FallBack {
+		if rtNet.IP.IsUnspecified() {
+			fmt.Printf("FALL BACK MODE\n\n\n\n")
+			return 0
+		}
+	}
+
 	if work == DpStatsGet {
 		nStat := new(StatDpWorkQ)
 		nStat.Work = work

diff --git a/options/options.go b/options/options.go
@@ -30,4 +30,5 @@ var Opts struct {
 	Rpc               string         `long:"rpc" description:"RPC mode for syncing - netrpc or grpc" default:"netrpc"`
 	K8sApi            string         `long:"k8s-api" description:"Enable k8s watcher(experimental)" default:"none"`
 	IPVSCompat        bool           `long:"ipvs-compat" description:"Enable ipvs-compat(experimental)"`
+	FallBack          bool           `long:"fallback" description:"Fallback to system default networking(experimental)"`
 }