summaryrefslogtreecommitdiffstats
path: root/net/mac80211/util.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/mac80211/util.c')
-rw-r--r--net/mac80211/util.c126
1 files changed, 31 insertions, 95 deletions
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index e0431a1d218..fdf432f1455 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -166,18 +166,13 @@ int ieee80211_get_mesh_hdrlen(struct ieee80211s_hdr *meshhdr)
void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx)
{
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx->skb->data;
-
- hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PROTECTED);
- if (tx->extra_frag) {
- struct ieee80211_hdr *fhdr;
- int i;
- for (i = 0; i < tx->num_extra_frag; i++) {
- fhdr = (struct ieee80211_hdr *)
- tx->extra_frag[i]->data;
- fhdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PROTECTED);
- }
- }
+ struct sk_buff *skb = tx->skb;
+ struct ieee80211_hdr *hdr;
+
+ do {
+ hdr = (struct ieee80211_hdr *) skb->data;
+ hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PROTECTED);
+ } while ((skb = skb->next));
}
int ieee80211_frame_duration(struct ieee80211_local *local, size_t len,
@@ -344,42 +339,21 @@ static void __ieee80211_wake_queue(struct ieee80211_hw *hw, int queue,
{
struct ieee80211_local *local = hw_to_local(hw);
- if (queue >= hw->queues) {
- if (local->ampdu_ac_queue[queue - hw->queues] < 0)
- return;
-
- /*
- * for virtual aggregation queues, we need to refcount the
- * internal mac80211 disable (multiple times!), keep track of
- * driver disable _and_ make sure the regular queue is
- * actually enabled.
- */
- if (reason == IEEE80211_QUEUE_STOP_REASON_AGGREGATION)
- local->amdpu_ac_stop_refcnt[queue - hw->queues]--;
- else
- __clear_bit(reason, &local->queue_stop_reasons[queue]);
-
- if (local->queue_stop_reasons[queue] ||
- local->amdpu_ac_stop_refcnt[queue - hw->queues])
- return;
-
- /* now go on to treat the corresponding regular queue */
- queue = local->ampdu_ac_queue[queue - hw->queues];
- reason = IEEE80211_QUEUE_STOP_REASON_AGGREGATION;
- }
+ if (WARN_ON(queue >= hw->queues))
+ return;
__clear_bit(reason, &local->queue_stop_reasons[queue]);
+ if (!skb_queue_empty(&local->pending[queue]) &&
+ local->queue_stop_reasons[queue] ==
+ BIT(IEEE80211_QUEUE_STOP_REASON_PENDING))
+ tasklet_schedule(&local->tx_pending_tasklet);
+
if (local->queue_stop_reasons[queue] != 0)
/* someone still has this queue stopped */
return;
- if (test_bit(queue, local->queues_pending)) {
- set_bit(queue, local->queues_pending_run);
- tasklet_schedule(&local->tx_pending_tasklet);
- } else {
- netif_wake_subqueue(local->mdev, queue);
- }
+ netif_wake_subqueue(local->mdev, queue);
}
void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue,
@@ -405,29 +379,18 @@ static void __ieee80211_stop_queue(struct ieee80211_hw *hw, int queue,
{
struct ieee80211_local *local = hw_to_local(hw);
- if (queue >= hw->queues) {
- if (local->ampdu_ac_queue[queue - hw->queues] < 0)
- return;
-
- /*
- * for virtual aggregation queues, we need to refcount the
- * internal mac80211 disable (multiple times!), keep track of
- * driver disable _and_ make sure the regular queue is
- * actually enabled.
- */
- if (reason == IEEE80211_QUEUE_STOP_REASON_AGGREGATION)
- local->amdpu_ac_stop_refcnt[queue - hw->queues]++;
- else
- __set_bit(reason, &local->queue_stop_reasons[queue]);
+ if (WARN_ON(queue >= hw->queues))
+ return;
- /* now go on to treat the corresponding regular queue */
- queue = local->ampdu_ac_queue[queue - hw->queues];
- reason = IEEE80211_QUEUE_STOP_REASON_AGGREGATION;
- }
+ /*
+ * Only stop if it was previously running, this is necessary
+ * for correct pending packets handling because there we may
+ * start (but not wake) the queue and rely on that.
+ */
+ if (!local->queue_stop_reasons[queue])
+ netif_stop_subqueue(local->mdev, queue);
__set_bit(reason, &local->queue_stop_reasons[queue]);
-
- netif_stop_subqueue(local->mdev, queue);
}
void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue,
@@ -473,15 +436,9 @@ EXPORT_SYMBOL(ieee80211_stop_queues);
int ieee80211_queue_stopped(struct ieee80211_hw *hw, int queue)
{
struct ieee80211_local *local = hw_to_local(hw);
- unsigned long flags;
- if (queue >= hw->queues) {
- spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
- queue = local->ampdu_ac_queue[queue - hw->queues];
- spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
- if (queue < 0)
- return true;
- }
+ if (WARN_ON(queue >= hw->queues))
+ return true;
return __netif_subqueue_stopped(local->mdev, queue);
}
@@ -496,7 +453,7 @@ void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw,
spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
- for (i = 0; i < hw->queues + hw->ampdu_queues; i++)
+ for (i = 0; i < hw->queues; i++)
__ieee80211_wake_queue(hw, i, reason);
spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
@@ -846,16 +803,9 @@ void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
struct ieee80211_local *local = sdata->local;
struct sk_buff *skb;
struct ieee80211_mgmt *mgmt;
- const u8 *ie_auth = NULL;
- int ie_auth_len = 0;
-
- if (sdata->vif.type == NL80211_IFTYPE_STATION) {
- ie_auth_len = sdata->u.mgd.ie_auth_len;
- ie_auth = sdata->u.mgd.ie_auth;
- }
skb = dev_alloc_skb(local->hw.extra_tx_headroom +
- sizeof(*mgmt) + 6 + extra_len + ie_auth_len);
+ sizeof(*mgmt) + 6 + extra_len);
if (!skb) {
printk(KERN_DEBUG "%s: failed to allocate buffer for auth "
"frame\n", sdata->dev->name);
@@ -877,8 +827,6 @@ void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
mgmt->u.auth.status_code = cpu_to_le16(0);
if (extra)
memcpy(skb_put(skb, extra_len), extra, extra_len);
- if (ie_auth)
- memcpy(skb_put(skb, ie_auth_len), ie_auth, ie_auth_len);
ieee80211_tx_skb(sdata, skb, encrypt);
}
@@ -891,20 +839,11 @@ void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
struct ieee80211_supported_band *sband;
struct sk_buff *skb;
struct ieee80211_mgmt *mgmt;
- u8 *pos, *supp_rates, *esupp_rates = NULL, *extra_preq_ie = NULL;
- int i, extra_preq_ie_len = 0;
-
- switch (sdata->vif.type) {
- case NL80211_IFTYPE_STATION:
- extra_preq_ie_len = sdata->u.mgd.ie_probereq_len;
- extra_preq_ie = sdata->u.mgd.ie_probereq;
- break;
- default:
- break;
- }
+ u8 *pos, *supp_rates, *esupp_rates = NULL;
+ int i;
skb = dev_alloc_skb(local->hw.extra_tx_headroom + sizeof(*mgmt) + 200 +
- ie_len + extra_preq_ie_len);
+ ie_len);
if (!skb) {
printk(KERN_DEBUG "%s: failed to allocate buffer for probe "
"request\n", sdata->dev->name);
@@ -953,9 +892,6 @@ void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
if (ie)
memcpy(skb_put(skb, ie_len), ie, ie_len);
- if (extra_preq_ie)
- memcpy(skb_put(skb, extra_preq_ie_len), extra_preq_ie,
- extra_preq_ie_len);
ieee80211_tx_skb(sdata, skb, 0);
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-12 12:50:51 +0000