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Message-Id: <1440628887-3504-3-git-send-email-xiyou.wangcong@gmail.com>
Date: Wed, 26 Aug 2015 15:41:24 -0700
From: Cong Wang <xiyou.wangcong@...il.com>
To: netdev@...r.kernel.org
Cc: Cong Wang <xiyou.wangcong@...il.com>,
Jamal Hadi Salim <jhs@...atatu.com>
Subject: [Patch net-next 2/5] net_sched: move TCQ_F_MQROOT into qdisc ops
It is just another static flag which can be moved.
Cc: Jamal Hadi Salim <jhs@...atatu.com>
Signed-off-by: Cong Wang <xiyou.wangcong@...il.com>
---
include/net/sch_generic.h | 2 +-
net/sched/sch_api.c | 6 +++---
net/sched/sch_mq.c | 2 +-
net/sched/sch_mqprio.c | 2 +-
4 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index fe835e1..943736a 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -50,7 +50,6 @@ struct Qdisc {
unsigned int flags;
#define TCQ_F_INGRESS 2
#define TCQ_F_CAN_BYPASS 4
-#define TCQ_F_MQROOT 8
#define TCQ_F_ONETXQUEUE 0x10 /* dequeue_skb() can assume all skbs are for
* q->dev_queue : It can test
* netif_xmit_frozen_or_stopped() before
@@ -181,6 +180,7 @@ struct Qdisc_ops {
char id[IFNAMSIZ];
int priv_size;
#define QDISC_F_BUILTIN 1
+#define QDISC_F_MQ 2
unsigned int flags;
int (*enqueue)(struct sk_buff *, struct Qdisc *);
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index f2b194b..90a4cf9 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -970,12 +970,12 @@ qdisc_create(struct net_device *dev, struct netdev_queue *dev_queue,
spinlock_t *root_lock;
err = -EOPNOTSUPP;
- if (sch->flags & TCQ_F_MQROOT)
+ if (sch->ops->flags & QDISC_F_MQ)
goto err_out4;
if ((sch->parent != TC_H_ROOT) &&
!(sch->flags & TCQ_F_INGRESS) &&
- (!p || !(p->flags & TCQ_F_MQROOT)))
+ (!p || !(p->ops->flags & QDISC_F_MQ)))
root_lock = qdisc_root_sleeping_lock(sch);
else
root_lock = qdisc_lock(sch);
@@ -1041,7 +1041,7 @@ static int qdisc_change(struct Qdisc *sch, struct nlattr **tca)
if (tca[TCA_RATE]) {
/* NB: ignores errors from replace_estimator
because change can't be undone. */
- if (sch->flags & TCQ_F_MQROOT)
+ if (sch->ops->flags & QDISC_F_MQ)
goto out;
gen_replace_estimator(&sch->bstats,
sch->cpu_bstats,
diff --git a/net/sched/sch_mq.c b/net/sched/sch_mq.c
index f3cbaec..cab9fc2 100644
--- a/net/sched/sch_mq.c
+++ b/net/sched/sch_mq.c
@@ -66,7 +66,6 @@ static int mq_init(struct Qdisc *sch, struct nlattr *opt)
qdisc->flags |= TCQ_F_ONETXQUEUE;
}
- sch->flags |= TCQ_F_MQROOT;
return 0;
err:
@@ -237,6 +236,7 @@ static const struct Qdisc_class_ops mq_class_ops = {
struct Qdisc_ops mq_qdisc_ops __read_mostly = {
.cl_ops = &mq_class_ops,
.id = "mq",
+ .flags = QDISC_F_MQ,
.priv_size = sizeof(struct mq_sched),
.init = mq_init,
.destroy = mq_destroy,
diff --git a/net/sched/sch_mqprio.c b/net/sched/sch_mqprio.c
index 3811a74..dc208c2 100644
--- a/net/sched/sch_mqprio.c
+++ b/net/sched/sch_mqprio.c
@@ -155,7 +155,6 @@ static int mqprio_init(struct Qdisc *sch, struct nlattr *opt)
for (i = 0; i < TC_BITMASK + 1; i++)
netdev_set_prio_tc_map(dev, i, qopt->prio_tc_map[i]);
- sch->flags |= TCQ_F_MQROOT;
return 0;
err:
@@ -404,6 +403,7 @@ static const struct Qdisc_class_ops mqprio_class_ops = {
static struct Qdisc_ops mqprio_qdisc_ops __read_mostly = {
.cl_ops = &mqprio_class_ops,
.id = "mqprio",
+ .flags = QDISC_F_MQ,
.priv_size = sizeof(struct mqprio_sched),
.init = mqprio_init,
.destroy = mqprio_destroy,
--
1.8.3.1
--
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