pfctl: move astats query into libpfctl

Sponsored by:	Rubicon Communications, LLC ("Netgate")

lib/libpfctl/libpfctl.c

@@ -3751,4 +3751,26 @@ pfctl_clear_addrs(struct pfctl_handle *h, const struct pfr_table *filter,
 
 	return (e.error);
 }
+int
+pfctl_get_astats(struct pfctl_handle *h, const struct pfr_table *tbl,
+    struct pfr_astats *addr, int *size, int flags)
+{
+	struct pfioc_table io;
 
+	if (tbl == NULL || size == NULL || *size < 0 ||
+	    (*size && addr == NULL)) {
+		errno = EINVAL;
+		return (-1);
+	}
+	bzero(&io, sizeof io);
+	io.pfrio_flags = flags;
+	io.pfrio_table = *tbl;
+	io.pfrio_buffer = addr;
+	io.pfrio_esize = sizeof(*addr);
+	io.pfrio_size = *size;
+	if (ioctl(h->fd, DIOCRGETASTATS, &io)) {
+		return (-1);
+	}
+	*size = io.pfrio_size;
+	return (0);
+}

lib/libpfctl/libpfctl.h

@@ -584,4 +584,7 @@ int	pfctl_clear_tstats(struct pfctl_handle *h, const struct pfr_table *filter,
 int	pfctl_clear_addrs(struct pfctl_handle *h, const struct pfr_table *filter,
 	    int *ndel, int flags);
 
+int	pfctl_get_astats(struct pfctl_handle *h, const struct pfr_table *tbl,
+	    struct pfr_astats *addr, int *size, int flags);
+
 #endif

sbin/pfctl/pfctl_radix.c

@@ -194,25 +194,7 @@ int
 pfr_get_astats(struct pfr_table *tbl, struct pfr_astats *addr, int *size,
     int flags)
 {
-	struct pfioc_table io;
-
-	if (tbl == NULL || size == NULL || *size < 0 ||
-	    (*size && addr == NULL)) {
-		errno = EINVAL;
-		return (-1);
-	}
-	bzero(&io, sizeof io);
-	io.pfrio_flags = flags;
-	io.pfrio_table = *tbl;
-	io.pfrio_buffer = addr;
-	io.pfrio_esize = sizeof(*addr);
-	io.pfrio_size = *size;
-	if (ioctl(dev, DIOCRGETASTATS, &io)) {
-		pfr_report_error(tbl, &io, "get astats from");
-		return (-1);
-	}
-	*size = io.pfrio_size;
-	return (0);
+	return (pfctl_get_astats(pfh, tbl, addr, size, flags));
 }
 
 int