[src/trunk]: src/sys/altq altq, cbq: allow the root class to be default

[ozaki-r <ozaki-r%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/395e3574606c
branches:  trunk
changeset: 984624:395e3574606c
user:      ozaki-r <ozaki-r%NetBSD.org@localhost>
date:      Wed Jul 14 08:31:15 2021 +0000

description:
altq, cbq: allow the root class to be default

diffstat:

 sys/altq/altq_cbq.c |  29 ++++++++++++-----------------
 1 files changed, 12 insertions(+), 17 deletions(-)

diffs (86 lines):

diff -r bc1a823e4f7c -r 395e3574606c sys/altq/altq_cbq.c
--- a/sys/altq/altq_cbq.c       Wed Jul 14 08:27:59 2021 +0000
+++ b/sys/altq/altq_cbq.c       Wed Jul 14 08:31:15 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: altq_cbq.c,v 1.33 2021/07/14 08:27:59 ozaki-r Exp $    */
+/*     $NetBSD: altq_cbq.c,v 1.34 2021/07/14 08:31:15 ozaki-r Exp $    */
 /*     $KAME: altq_cbq.c,v 1.21 2005/04/13 03:44:24 suz Exp $  */
 
 /*
@@ -32,7 +32,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: altq_cbq.c,v 1.33 2021/07/14 08:27:59 ozaki-r Exp $");
+__KERNEL_RCSID(0, "$NetBSD: altq_cbq.c,v 1.34 2021/07/14 08:31:15 ozaki-r Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_altq.h"
@@ -363,31 +363,26 @@
        /*
         * check parameters
         */
-       switch (opts->flags & CBQCLF_CLASSMASK) {
-       case CBQCLF_ROOTCLASS:
+       if ((opts->flags & CBQCLF_ROOTCLASS) != 0) {
                if (parent != NULL)
                        return (EINVAL);
                if (cbqp->ifnp.root_)
                        return (EINVAL);
-               break;
-       case CBQCLF_DEFCLASS:
+       }
+       if ((opts->flags & CBQCLF_DEFCLASS) != 0) {
                if (cbqp->ifnp.default_)
                        return (EINVAL);
-               break;
-       case 0:
+       }
+       if ((opts->flags & CBQCLF_CLASSMASK) == 0) {
                if (a->qid == 0)
                        return (EINVAL);
-               break;
-       default:
-               /* more than two flags bits set */
-               return (EINVAL);
        }
 
        /*
         * create a class.  if this is a root class, initialize the
         * interface.
         */
-       if ((opts->flags & CBQCLF_CLASSMASK) == CBQCLF_ROOTCLASS) {
+       if ((opts->flags & CBQCLF_ROOTCLASS) != 0) {
                error = rmc_init(cbqp->ifnp.ifq_, &cbqp->ifnp,
                    opts->ns_per_byte, cbqrestart, a->qlimit, RM_MAXQUEUED,
                    opts->maxidle, opts->minidle, opts->offtime,
@@ -412,7 +407,7 @@
        /* save the allocated class */
        cbqp->cbq_class_tbl[i] = cl;
 
-       if ((opts->flags & CBQCLF_CLASSMASK) == CBQCLF_DEFCLASS)
+       if ((opts->flags & CBQCLF_DEFCLASS) != 0)
                cbqp->ifnp.default_ = cl;
 
        return (0);
@@ -727,7 +722,7 @@
         * create a class.  if this is a root class, initialize the
         * interface.
         */
-       if ((spec->flags & CBQCLF_CLASSMASK) == CBQCLF_ROOTCLASS) {
+       if ((spec->flags & CBQCLF_ROOTCLASS) != 0) {
                error = rmc_init(cbqp->ifnp.ifq_, &cbqp->ifnp,
                    spec->nano_sec_per_byte, cbqrestart, spec->maxq,
                    RM_MAXQUEUED, spec->maxidle, spec->minidle, spec->offtime,
@@ -754,9 +749,9 @@
        /* save the allocated class */
        cbqp->cbq_class_tbl[i] = cl;
 
-       if ((spec->flags & CBQCLF_CLASSMASK) == CBQCLF_DEFCLASS)
+       if ((spec->flags & CBQCLF_CLASSMASK) != 0)
                cbqp->ifnp.default_ = cl;
-       if ((spec->flags & CBQCLF_CLASSMASK) == CBQCLF_CTLCLASS)
+       if ((spec->flags & CBQCLF_CTLCLASS) != 0)
                cbqp->ifnp.ctl_ = cl;
 
        return (0);