link_linux: Add deserialization of IFF_RUNNING flag

dylandreimerink · aboch · commit 86d2f69adca9 · 2025-01-20T22:07:01.000-08:00
Add deserialization of the `IFF_RUNNING` link flag which translates to
`net.FlagRunning`.

Signed-off-by: Dylan Reimerink &lt;dylan.reimerink@isovalent.com&gt;
diff --git a/link_linux.go b/link_linux.go
@@ -3041,7 +3041,6 @@ func parseMacvlanData(link Link, data []syscall.NetlinkRouteAttr) {
 	}
 }
 
-// copied from pkg/net_linux.go
 func linkFlags(rawFlags uint32) net.Flags {
 	var f net.Flags
 	if rawFlags&unix.IFF_UP != 0 {
@@ -3059,6 +3058,9 @@ func linkFlags(rawFlags uint32) net.Flags {
 	if rawFlags&unix.IFF_MULTICAST != 0 {
 		f |= net.FlagMulticast
 	}
+	if rawFlags&unix.IFF_RUNNING != 0 {
+		f |= net.FlagRunning
+	}
 	return f
 }
 

Original file line number	Diff line number	Diff line change
`@@ -3041,7 +3041,6 @@ func parseMacvlanData(link Link, data []syscall.NetlinkRouteAttr) {`
`3041`	`3041`	`}`
`3042`	`3042`	`}`
`3043`	`3043`
`3044`		`-// copied from pkg/net_linux.go`
`3045`	`3044`	`func linkFlags(rawFlags uint32) net.Flags {`
`3046`	`3045`	`var f net.Flags`
`3047`	`3046`	`if rawFlags&unix.IFF_UP != 0 {`
`@@ -3059,6 +3058,9 @@ func linkFlags(rawFlags uint32) net.Flags {`
`3059`	`3058`	`if rawFlags&unix.IFF_MULTICAST != 0 {`
`3060`	`3059`	`f \|= net.FlagMulticast`
`3061`	`3060`	`}`
	`3061`	`+ if rawFlags&unix.IFF_RUNNING != 0 {`
	`3062`	`+ f \|= net.FlagRunning`
	`3063`	`+ }`
`3062`	`3064`	`return f`
`3063`	`3065`	`}`
`3064`	`3066`