2008-07-09 19:44:33

by Harvey Harrison

[permalink] [raw]
Subject: [PATCH 2/4] mac80211: wme.c replace QD_NUM macro with static inline

Signed-off-by: Harvey Harrison <[email protected]>
---
net/mac80211/wme.c | 37 ++++++++++++++++++++-----------------
1 files changed, 20 insertions(+), 17 deletions(-)

diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c
index 5c666f7..a6cb0df 100644
--- a/net/mac80211/wme.c
+++ b/net/mac80211/wme.c
@@ -20,8 +20,11 @@

/* maximum number of hardware queues we support. */
#define QD_MAX_QUEUES (IEEE80211_MAX_AMPDU_QUEUES + IEEE80211_MAX_QUEUES)
-/* current number of hardware queues we support. */
-#define QD_NUM(hw) ((hw)->queues + (hw)->ampdu_queues)
+
+static unsigned int qd_num_hw_queues(const struct ieee80211_hw *hw)
+{
+ return hw->queues + hw->ampdu_queues;
+}

/*
* Default mapping in classifier to work with default
@@ -157,7 +160,7 @@ static int wme_qdiscop_enqueue(struct sk_buff *skb, struct Qdisc* qd)
tid = skb->priority & IEEE80211_QOS_CTL_TAG1D_MASK;
if (sta) {
int ampdu_queue = sta->tid_to_tx_q[tid];
- if ((ampdu_queue < QD_NUM(hw)) &&
+ if ((ampdu_queue < qd_num_hw_queues(hw)) &&
test_bit(ampdu_queue, q->qdisc_pool)) {
queue = ampdu_queue;
info->flags |= IEEE80211_TX_CTL_AMPDU;
@@ -194,7 +197,7 @@ static int wme_qdiscop_enqueue(struct sk_buff *skb, struct Qdisc* qd)
sta = sta_info_get(local, hdr->addr1);
if (sta) {
int ampdu_queue = sta->tid_to_tx_q[tid];
- if ((ampdu_queue < QD_NUM(hw)) &&
+ if ((ampdu_queue < qd_num_hw_queues(hw)) &&
test_bit(ampdu_queue, q->qdisc_pool)) {
queue = ampdu_queue;
info->flags |= IEEE80211_TX_CTL_AMPDU;
@@ -257,7 +260,7 @@ static struct sk_buff *wme_qdiscop_dequeue(struct Qdisc* qd)
int queue;

/* check all the h/w queues in numeric/priority order */
- for (queue = 0; queue < QD_NUM(hw); queue++) {
+ for (queue = 0; queue < qd_num_hw_queues(hw); queue++) {
/* see if there is room in this hardware queue */
if (__netif_subqueue_stopped(local->mdev, queue) ||
!test_bit(queue, q->qdisc_pool))
@@ -292,7 +295,7 @@ static void wme_qdiscop_reset(struct Qdisc* qd)

/* QUESTION: should we have some hardware flush functionality here? */

- for (queue = 0; queue < QD_NUM(hw); queue++) {
+ for (queue = 0; queue < qd_num_hw_queues(hw); queue++) {
skb_queue_purge(&q->requeued[queue]);
qdisc_reset(q->queues[queue]);
}
@@ -309,7 +312,7 @@ static void wme_qdiscop_destroy(struct Qdisc* qd)

tcf_destroy_chain(&q->filter_list);

- for (queue = 0; queue < QD_NUM(hw); queue++) {
+ for (queue = 0; queue < qd_num_hw_queues(hw); queue++) {
skb_queue_purge(&q->requeued[queue]);
qdisc_destroy(q->queues[queue]);
q->queues[queue] = &noop_qdisc;
@@ -357,7 +360,7 @@ static int wme_qdiscop_init(struct Qdisc *qd, struct nlattr *opt)
err = wme_qdiscop_tune(qd, opt);

/* create child queues */
- for (i = 0; i < QD_NUM(hw); i++) {
+ for (i = 0; i < qd_num_hw_queues(hw); i++) {
skb_queue_head_init(&q->requeued[i]);
q->queues[i] = qdisc_create_dflt(qd->dev, &pfifo_qdisc_ops,
qd->handle);
@@ -389,7 +392,7 @@ static int wme_classop_graft(struct Qdisc *qd, unsigned long arg,
struct ieee80211_hw *hw = &local->hw;
unsigned long queue = arg - 1;

- if (queue >= QD_NUM(hw))
+ if (queue >= qd_num_hw_queues(hw))
return -EINVAL;

if (!new)
@@ -413,7 +416,7 @@ wme_classop_leaf(struct Qdisc *qd, unsigned long arg)
struct ieee80211_hw *hw = &local->hw;
unsigned long queue = arg - 1;

- if (queue >= QD_NUM(hw))
+ if (queue >= qd_num_hw_queues(hw))
return NULL;

return q->queues[queue];
@@ -426,7 +429,7 @@ static unsigned long wme_classop_get(struct Qdisc *qd, u32 classid)
struct ieee80211_hw *hw = &local->hw;
unsigned long queue = TC_H_MIN(classid);

- if (queue - 1 >= QD_NUM(hw))
+ if (queue - 1 >= qd_num_hw_queues(hw))
return 0;

return queue;
@@ -452,7 +455,7 @@ static int wme_classop_change(struct Qdisc *qd, u32 handle, u32 parent,
struct ieee80211_local *local = wdev_priv(qd->dev->ieee80211_ptr);
struct ieee80211_hw *hw = &local->hw;

- if (cl - 1 > QD_NUM(hw))
+ if (cl - 1 > qd_num_hw_queues(hw))
return -ENOENT;

/* TODO: put code to program hardware queue parameters here,
@@ -469,7 +472,7 @@ static int wme_classop_delete(struct Qdisc *qd, unsigned long cl)
struct ieee80211_local *local = wdev_priv(qd->dev->ieee80211_ptr);
struct ieee80211_hw *hw = &local->hw;

- if (cl - 1 > QD_NUM(hw))
+ if (cl - 1 > qd_num_hw_queues(hw))
return -ENOENT;
return 0;
}
@@ -482,7 +485,7 @@ static int wme_classop_dump_class(struct Qdisc *qd, unsigned long cl,
struct ieee80211_local *local = wdev_priv(qd->dev->ieee80211_ptr);
struct ieee80211_hw *hw = &local->hw;

- if (cl - 1 > QD_NUM(hw))
+ if (cl - 1 > qd_num_hw_queues(hw))
return -ENOENT;
tcm->tcm_handle = TC_H_MIN(cl);
tcm->tcm_parent = qd->handle;
@@ -500,7 +503,7 @@ static void wme_classop_walk(struct Qdisc *qd, struct qdisc_walker *arg)
if (arg->stop)
return;

- for (queue = 0; queue < QD_NUM(hw); queue++) {
+ for (queue = 0; queue < qd_num_hw_queues(hw); queue++) {
if (arg->count < arg->skip) {
arg->count++;
continue;
@@ -623,7 +626,7 @@ int ieee80211_ht_agg_queue_add(struct ieee80211_local *local,
return -EPERM;

/* try to get a Qdisc from the pool */
- for (i = local->hw.queues; i < QD_NUM(&local->hw); i++)
+ for (i = local->hw.queues; i < qd_num_hw_queues(&local->hw); i++)
if (!test_and_set_bit(i, q->qdisc_pool)) {
ieee80211_stop_queue(local_to_hw(local), i);
sta->tid_to_tx_q[tid] = i;
@@ -659,7 +662,7 @@ void ieee80211_ht_agg_queue_remove(struct ieee80211_local *local,

/* return the qdisc to the pool */
clear_bit(agg_queue, q->qdisc_pool);
- sta->tid_to_tx_q[tid] = QD_NUM(hw);
+ sta->tid_to_tx_q[tid] = qd_num_hw_queues(hw);

if (requeue)
ieee80211_requeue(local, agg_queue);
--
1.5.6.1.322.ge904b




2008-07-09 20:01:41

by Harvey Harrison

[permalink] [raw]
Subject: Re: [PATCH 2/4] mac80211: wme.c replace QD_NUM macro with static inline

On Wed, 2008-07-09 at 21:57 +0200, Johannes Berg wrote:
> While I don't really disagree with this patch, let's not do it at least
> for now so we don't break davem's TX MQ rework needlessly.
>

Sure, I'll keep an eye out for his stuff to go in and resubmit at a
later time.

Harvey


2008-07-09 19:57:48

by Johannes Berg

[permalink] [raw]
Subject: Re: [PATCH 2/4] mac80211: wme.c replace QD_NUM macro with static inline

While I don't really disagree with this patch, let's not do it at least
for now so we don't break davem's TX MQ rework needlessly.

On Wed, 2008-07-09 at 12:44 -0700, Harvey Harrison wrote:
> Signed-off-by: Harvey Harrison <[email protected]>
> ---
> net/mac80211/wme.c | 37 ++++++++++++++++++++-----------------
> 1 files changed, 20 insertions(+), 17 deletions(-)
>
> diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c
> index 5c666f7..a6cb0df 100644
> --- a/net/mac80211/wme.c
> +++ b/net/mac80211/wme.c
> @@ -20,8 +20,11 @@
>
> /* maximum number of hardware queues we support. */
> #define QD_MAX_QUEUES (IEEE80211_MAX_AMPDU_QUEUES + IEEE80211_MAX_QUEUES)
> -/* current number of hardware queues we support. */
> -#define QD_NUM(hw) ((hw)->queues + (hw)->ampdu_queues)
> +
> +static unsigned int qd_num_hw_queues(const struct ieee80211_hw *hw)
> +{
> + return hw->queues + hw->ampdu_queues;
> +}
>
> /*
> * Default mapping in classifier to work with default
> @@ -157,7 +160,7 @@ static int wme_qdiscop_enqueue(struct sk_buff *skb, struct Qdisc* qd)
> tid = skb->priority & IEEE80211_QOS_CTL_TAG1D_MASK;
> if (sta) {
> int ampdu_queue = sta->tid_to_tx_q[tid];
> - if ((ampdu_queue < QD_NUM(hw)) &&
> + if ((ampdu_queue < qd_num_hw_queues(hw)) &&
> test_bit(ampdu_queue, q->qdisc_pool)) {
> queue = ampdu_queue;
> info->flags |= IEEE80211_TX_CTL_AMPDU;
> @@ -194,7 +197,7 @@ static int wme_qdiscop_enqueue(struct sk_buff *skb, struct Qdisc* qd)
> sta = sta_info_get(local, hdr->addr1);
> if (sta) {
> int ampdu_queue = sta->tid_to_tx_q[tid];
> - if ((ampdu_queue < QD_NUM(hw)) &&
> + if ((ampdu_queue < qd_num_hw_queues(hw)) &&
> test_bit(ampdu_queue, q->qdisc_pool)) {
> queue = ampdu_queue;
> info->flags |= IEEE80211_TX_CTL_AMPDU;
> @@ -257,7 +260,7 @@ static struct sk_buff *wme_qdiscop_dequeue(struct Qdisc* qd)
> int queue;
>
> /* check all the h/w queues in numeric/priority order */
> - for (queue = 0; queue < QD_NUM(hw); queue++) {
> + for (queue = 0; queue < qd_num_hw_queues(hw); queue++) {
> /* see if there is room in this hardware queue */
> if (__netif_subqueue_stopped(local->mdev, queue) ||
> !test_bit(queue, q->qdisc_pool))
> @@ -292,7 +295,7 @@ static void wme_qdiscop_reset(struct Qdisc* qd)
>
> /* QUESTION: should we have some hardware flush functionality here? */
>
> - for (queue = 0; queue < QD_NUM(hw); queue++) {
> + for (queue = 0; queue < qd_num_hw_queues(hw); queue++) {
> skb_queue_purge(&q->requeued[queue]);
> qdisc_reset(q->queues[queue]);
> }
> @@ -309,7 +312,7 @@ static void wme_qdiscop_destroy(struct Qdisc* qd)
>
> tcf_destroy_chain(&q->filter_list);
>
> - for (queue = 0; queue < QD_NUM(hw); queue++) {
> + for (queue = 0; queue < qd_num_hw_queues(hw); queue++) {
> skb_queue_purge(&q->requeued[queue]);
> qdisc_destroy(q->queues[queue]);
> q->queues[queue] = &noop_qdisc;
> @@ -357,7 +360,7 @@ static int wme_qdiscop_init(struct Qdisc *qd, struct nlattr *opt)
> err = wme_qdiscop_tune(qd, opt);
>
> /* create child queues */
> - for (i = 0; i < QD_NUM(hw); i++) {
> + for (i = 0; i < qd_num_hw_queues(hw); i++) {
> skb_queue_head_init(&q->requeued[i]);
> q->queues[i] = qdisc_create_dflt(qd->dev, &pfifo_qdisc_ops,
> qd->handle);
> @@ -389,7 +392,7 @@ static int wme_classop_graft(struct Qdisc *qd, unsigned long arg,
> struct ieee80211_hw *hw = &local->hw;
> unsigned long queue = arg - 1;
>
> - if (queue >= QD_NUM(hw))
> + if (queue >= qd_num_hw_queues(hw))
> return -EINVAL;
>
> if (!new)
> @@ -413,7 +416,7 @@ wme_classop_leaf(struct Qdisc *qd, unsigned long arg)
> struct ieee80211_hw *hw = &local->hw;
> unsigned long queue = arg - 1;
>
> - if (queue >= QD_NUM(hw))
> + if (queue >= qd_num_hw_queues(hw))
> return NULL;
>
> return q->queues[queue];
> @@ -426,7 +429,7 @@ static unsigned long wme_classop_get(struct Qdisc *qd, u32 classid)
> struct ieee80211_hw *hw = &local->hw;
> unsigned long queue = TC_H_MIN(classid);
>
> - if (queue - 1 >= QD_NUM(hw))
> + if (queue - 1 >= qd_num_hw_queues(hw))
> return 0;
>
> return queue;
> @@ -452,7 +455,7 @@ static int wme_classop_change(struct Qdisc *qd, u32 handle, u32 parent,
> struct ieee80211_local *local = wdev_priv(qd->dev->ieee80211_ptr);
> struct ieee80211_hw *hw = &local->hw;
>
> - if (cl - 1 > QD_NUM(hw))
> + if (cl - 1 > qd_num_hw_queues(hw))
> return -ENOENT;
>
> /* TODO: put code to program hardware queue parameters here,
> @@ -469,7 +472,7 @@ static int wme_classop_delete(struct Qdisc *qd, unsigned long cl)
> struct ieee80211_local *local = wdev_priv(qd->dev->ieee80211_ptr);
> struct ieee80211_hw *hw = &local->hw;
>
> - if (cl - 1 > QD_NUM(hw))
> + if (cl - 1 > qd_num_hw_queues(hw))
> return -ENOENT;
> return 0;
> }
> @@ -482,7 +485,7 @@ static int wme_classop_dump_class(struct Qdisc *qd, unsigned long cl,
> struct ieee80211_local *local = wdev_priv(qd->dev->ieee80211_ptr);
> struct ieee80211_hw *hw = &local->hw;
>
> - if (cl - 1 > QD_NUM(hw))
> + if (cl - 1 > qd_num_hw_queues(hw))
> return -ENOENT;
> tcm->tcm_handle = TC_H_MIN(cl);
> tcm->tcm_parent = qd->handle;
> @@ -500,7 +503,7 @@ static void wme_classop_walk(struct Qdisc *qd, struct qdisc_walker *arg)
> if (arg->stop)
> return;
>
> - for (queue = 0; queue < QD_NUM(hw); queue++) {
> + for (queue = 0; queue < qd_num_hw_queues(hw); queue++) {
> if (arg->count < arg->skip) {
> arg->count++;
> continue;
> @@ -623,7 +626,7 @@ int ieee80211_ht_agg_queue_add(struct ieee80211_local *local,
> return -EPERM;
>
> /* try to get a Qdisc from the pool */
> - for (i = local->hw.queues; i < QD_NUM(&local->hw); i++)
> + for (i = local->hw.queues; i < qd_num_hw_queues(&local->hw); i++)
> if (!test_and_set_bit(i, q->qdisc_pool)) {
> ieee80211_stop_queue(local_to_hw(local), i);
> sta->tid_to_tx_q[tid] = i;
> @@ -659,7 +662,7 @@ void ieee80211_ht_agg_queue_remove(struct ieee80211_local *local,
>
> /* return the qdisc to the pool */
> clear_bit(agg_queue, q->qdisc_pool);
> - sta->tid_to_tx_q[tid] = QD_NUM(hw);
> + sta->tid_to_tx_q[tid] = qd_num_hw_queues(hw);
>
> if (requeue)
> ieee80211_requeue(local, agg_queue);


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