Index: bpf.c
===================================================================
RCS file: /cvs/src/sys/net/bpf.c,v
diff -u -p -r1.231 bpf.c
--- bpf.c	5 Feb 2025 18:29:17 -0000	1.231
+++ bpf.c	3 Mar 2025 12:13:17 -0000
@@ -1749,13 +1749,22 @@ bpfsattach(caddr_t *bpfp, const char *na
 	return (bp);
 }
 
-void
-bpfattach(caddr_t *driverp, struct ifnet *ifp, u_int dlt, u_int hdrlen)
+void *
+bpfxattach(caddr_t *driverp, const char *name, struct ifnet *ifp,
+    u_int dlt, u_int hdrlen)
 {
 	struct bpf_if *bp;
 
-	bp = bpfsattach(driverp, ifp->if_xname, dlt, hdrlen);
+	bp = bpfsattach(driverp, name, dlt, hdrlen);
 	bp->bif_ifp = ifp;
+
+	return (bp);
+}
+
+void
+bpfattach(caddr_t *driverp, struct ifnet *ifp, u_int dlt, u_int hdrlen)
+{
+	bpfxattach(driverp, ifp->if_xname, ifp, dlt, hdrlen);
 }
 
 /* Detach an interface from its attached bpf device.  */
Index: bpf.h
===================================================================
RCS file: /cvs/src/sys/net/bpf.h,v
diff -u -p -r1.73 bpf.h
--- bpf.h	15 Aug 2024 12:20:20 -0000	1.73
+++ bpf.h	3 Mar 2025 12:13:17 -0000
@@ -327,6 +327,7 @@ int	 bpf_tap_hdr(caddr_t, const void *, 
 void	 bpfattach(caddr_t *, struct ifnet *, u_int, u_int);
 void	 bpfdetach(struct ifnet *);
 void	*bpfsattach(caddr_t *, const char *, u_int, u_int);
+void	*bpfxattach(caddr_t *, const char *, struct ifnet *, u_int, u_int);
 void	 bpfsdetach(void *);
 void	 bpfilterattach(int);