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* [PATCH 2/4] mac80211: wme.c replace QD_NUM macro with static inline
@ 2008-07-09 19:44 Harvey Harrison
  2008-07-09 19:57 ` Johannes Berg
  0 siblings, 1 reply; 3+ messages in thread
From: Harvey Harrison @ 2008-07-09 19:44 UTC (permalink / raw)
  To: John Linville; +Cc: Johannes Berg, linux-wireless

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
---
 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



^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH 2/4] mac80211: wme.c replace QD_NUM macro with static inline
  2008-07-09 19:44 [PATCH 2/4] mac80211: wme.c replace QD_NUM macro with static inline Harvey Harrison
@ 2008-07-09 19:57 ` Johannes Berg
  2008-07-09 20:01   ` Harvey Harrison
  0 siblings, 1 reply; 3+ messages in thread
From: Johannes Berg @ 2008-07-09 19:57 UTC (permalink / raw)
  To: Harvey Harrison; +Cc: John Linville, linux-wireless

[-- Attachment #1: Type: text/plain, Size: 6443 bytes --]

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 <harvey.harrison@gmail.com>
> ---
>  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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^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH 2/4] mac80211: wme.c replace QD_NUM macro with static inline
  2008-07-09 19:57 ` Johannes Berg
@ 2008-07-09 20:01   ` Harvey Harrison
  0 siblings, 0 replies; 3+ messages in thread
From: Harvey Harrison @ 2008-07-09 20:01 UTC (permalink / raw)
  To: Johannes Berg; +Cc: John Linville, linux-wireless

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


^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2008-07-09 20:01 UTC | newest]

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2008-07-09 19:44 [PATCH 2/4] mac80211: wme.c replace QD_NUM macro with static inline Harvey Harrison
2008-07-09 19:57 ` Johannes Berg
2008-07-09 20:01   ` Harvey Harrison

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