if (unlikely(info->flags & IEEE80211_TX_CTL_INJECTED))
return TX_CONTINUE;
- if (unlikely(tx->local->sw_scanning) &&
+ if (unlikely(test_bit(SCAN_OFF_CHANNEL, &tx->local->scanning)) &&
!ieee80211_is_probe_req(hdr->frame_control) &&
!ieee80211_is_nullfunc(hdr->frame_control))
/*
if (!atomic_read(&tx->sdata->bss->num_sta_ps))
return TX_CONTINUE;
+ /* buffered in hardware */
+ if (!(tx->local->hw.flags & IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING)) {
+ info->flags |= IEEE80211_TX_CTL_SEND_AFTER_DTIM;
+
+ return TX_CONTINUE;
+ }
+
/* buffered in mac80211 */
- if (tx->local->hw.flags & IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING) {
- if (tx->local->total_ps_buffered >= TOTAL_MAX_TX_BUFFER)
- purge_old_ps_buffers(tx->local);
- if (skb_queue_len(&tx->sdata->bss->ps_bc_buf) >=
- AP_MAX_BC_BUFFER) {
+ if (tx->local->total_ps_buffered >= TOTAL_MAX_TX_BUFFER)
+ purge_old_ps_buffers(tx->local);
+
+ if (skb_queue_len(&tx->sdata->bss->ps_bc_buf) >= AP_MAX_BC_BUFFER) {
#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
- if (net_ratelimit()) {
- printk(KERN_DEBUG "%s: BC TX buffer full - "
- "dropping the oldest frame\n",
- tx->dev->name);
- }
+ if (net_ratelimit())
+ printk(KERN_DEBUG "%s: BC TX buffer full - dropping the oldest frame\n",
+ tx->dev->name);
#endif
- dev_kfree_skb(skb_dequeue(&tx->sdata->bss->ps_bc_buf));
- } else
- tx->local->total_ps_buffered++;
- skb_queue_tail(&tx->sdata->bss->ps_bc_buf, tx->skb);
- return TX_QUEUED;
- }
+ dev_kfree_skb(skb_dequeue(&tx->sdata->bss->ps_bc_buf));
+ } else
+ tx->local->total_ps_buffered++;
- /* buffered in hardware */
- info->flags |= IEEE80211_TX_CTL_SEND_AFTER_DTIM;
+ skb_queue_tail(&tx->sdata->bss->ps_bc_buf, tx->skb);
- return TX_CONTINUE;
+ return TX_QUEUED;
}
static int ieee80211_use_mfp(__le16 fc, struct sta_info *sta,
staflags = get_sta_flags(sta);
if (unlikely((staflags & WLAN_STA_PS) &&
- !(staflags & WLAN_STA_PSPOLL))) {
+ !(info->flags & IEEE80211_TX_CTL_PSPOLL_RESPONSE))) {
#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
printk(KERN_DEBUG "STA %pM aid %d: PS buffer (entries "
"before %d)\n",
sta_info_set_tim_bit(sta);
info->control.jiffies = jiffies;
+ info->control.vif = &tx->sdata->vif;
info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING;
skb_queue_tail(&sta->ps_tx_buf, tx->skb);
return TX_QUEUED;
sta->sta.addr);
}
#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
- if (test_and_clear_sta_flags(sta, WLAN_STA_PSPOLL)) {
- /*
- * The sleeping station with pending data is now snoozing.
- * It queried us for its buffered frames and will go back
- * to deep sleep once it got everything.
- *
- * inform the driver, in case the hardware does powersave
- * frame filtering and keeps a station blacklist on its own
- * (e.g: p54), so that frames can be delivered unimpeded.
- *
- * Note: It should be safe to disable the filter now.
- * As, it is really unlikely that we still have any pending
- * frame for this station in the hw's buffers/fifos left,
- * that is not rejected with a unsuccessful tx_status yet.
- */
- info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT;
- }
return TX_CONTINUE;
}
* Lets not bother rate control if we're associated and cannot
* talk to the sta. This should not happen.
*/
- if (WARN((tx->local->sw_scanning) &&
+ if (WARN(test_bit(SCAN_SW_SCANNING, &tx->local->scanning) &&
(sta_flags & WLAN_STA_ASSOC) &&
!rate_usable_index_exists(sband, &tx->sta->sta),
"%s: Dropped data frame as no usable bitrate found while "
* number, if we have no matching interface then we
* neither assign one ourselves nor ask the driver to.
*/
- if (unlikely(!info->control.vif))
+ if (unlikely(info->control.vif->type == NL80211_IFTYPE_MONITOR))
return TX_CONTINUE;
if (unlikely(ieee80211_is_ctl(hdr->frame_control)))
/* for pure STA mode without beacons, we can do it */
hdr->seq_ctrl = cpu_to_le16(tx->sdata->sequence_number);
tx->sdata->sequence_number += 0x10;
- tx->sdata->sequence_number &= IEEE80211_SCTL_SEQ;
return TX_CONTINUE;
}
}
static ieee80211_tx_result debug_noinline
+ieee80211_tx_h_stats(struct ieee80211_tx_data *tx)
+{
+ struct sk_buff *skb = tx->skb;
+
+ if (!tx->sta)
+ return TX_CONTINUE;
+
+ tx->sta->tx_packets++;
+ do {
+ tx->sta->tx_fragments++;
+ tx->sta->tx_bytes += skb->len;
+ } while ((skb = skb->next));
+
+ return TX_CONTINUE;
+}
+
+static ieee80211_tx_result debug_noinline
ieee80211_tx_h_encrypt(struct ieee80211_tx_data *tx)
{
if (!tx->key)
return TX_CONTINUE;
}
-static ieee80211_tx_result debug_noinline
-ieee80211_tx_h_stats(struct ieee80211_tx_data *tx)
-{
- struct sk_buff *skb = tx->skb;
-
- if (!tx->sta)
- return TX_CONTINUE;
-
- tx->sta->tx_packets++;
- do {
- tx->sta->tx_fragments++;
- tx->sta->tx_bytes += skb->len;
- } while ((skb = skb->next));
-
- return TX_CONTINUE;
-}
-
/* actual transmit path */
/*
} else if (*state != HT_AGG_STATE_IDLE) {
/* in progress */
queued = true;
+ info->control.vif = &sdata->vif;
info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING;
__skb_queue_tail(&tid_tx->pending, skb);
}
{
struct sk_buff *skb = *skbp, *next;
struct ieee80211_tx_info *info;
+ struct ieee80211_sub_if_data *sdata;
unsigned long flags;
int ret, len;
bool fragm = false;
next = skb->next;
len = skb->len;
+
+ if (next)
+ info->flags |= IEEE80211_TX_CTL_MORE_FRAMES;
+
+ sdata = vif_to_sdata(info->control.vif);
+
+ switch (sdata->vif.type) {
+ case NL80211_IFTYPE_MONITOR:
+ info->control.vif = NULL;
+ break;
+ case NL80211_IFTYPE_AP_VLAN:
+ info->control.vif = &container_of(sdata->bss,
+ struct ieee80211_sub_if_data, u.ap)->vif;
+ break;
+ default:
+ /* keep */
+ break;
+ }
+
ret = drv_tx(local, skb);
if (WARN_ON(ret != NETDEV_TX_OK && skb->len != len)) {
dev_kfree_skb(skb);
ret = NETDEV_TX_OK;
}
- if (ret != NETDEV_TX_OK)
+ if (ret != NETDEV_TX_OK) {
+ info->control.vif = &sdata->vif;
return IEEE80211_TX_AGAIN;
+ }
+
*skbp = skb = next;
ieee80211_led_tx(local, 1);
fragm = true;
CALL_TXH(ieee80211_tx_h_sequence)
CALL_TXH(ieee80211_tx_h_fragment)
/* handlers after fragment must be aware of tx info fragmentation! */
+ CALL_TXH(ieee80211_tx_h_stats)
CALL_TXH(ieee80211_tx_h_encrypt)
CALL_TXH(ieee80211_tx_h_calculate_duration)
- CALL_TXH(ieee80211_tx_h_stats)
#undef CALL_TXH
txh_done:
struct ieee80211_sub_if_data *tmp_sdata;
int headroom;
bool may_encrypt;
- enum {
- NOT_MONITOR,
- FOUND_SDATA,
- UNKNOWN_ADDRESS,
- } monitor_iface = NOT_MONITOR;
dev_hold(sdata->dev);
if ((local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK) &&
local->hw.conf.dynamic_ps_timeout > 0 &&
- !local->sw_scanning && !local->hw_scanning && local->ps_sdata) {
+ !(local->scanning) && local->ps_sdata) {
if (local->hw.conf.flags & IEEE80211_CONF_PS) {
ieee80211_stop_queues_by_reason(&local->hw,
IEEE80211_QUEUE_STOP_REASON_PS);
- queue_work(local->hw.workqueue,
+ ieee80211_queue_work(&local->hw,
&local->dynamic_ps_disable_work);
}
u16 len_rthdr;
info->flags |= IEEE80211_TX_CTL_INJECTED;
- monitor_iface = UNKNOWN_ADDRESS;
len_rthdr = ieee80211_get_radiotap_len(skb->data);
hdr = (struct ieee80211_hdr *)(skb->data + len_rthdr);
dev_hold(tmp_sdata->dev);
dev_put(sdata->dev);
sdata = tmp_sdata;
- monitor_iface = FOUND_SDATA;
break;
}
}
return;
}
- tmp_sdata = sdata;
- if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
- tmp_sdata = container_of(sdata->bss,
- struct ieee80211_sub_if_data,
- u.ap);
- if (likely(monitor_iface != UNKNOWN_ADDRESS))
- info->control.vif = &tmp_sdata->vif;
+ info->control.vif = &sdata->vif;
ieee80211_select_queue(local, skb);
ieee80211_tx(sdata, skb, false);
if (unlikely(skb->len < len_rthdr))
goto fail; /* skb too short for claimed rt header extent */
- /* needed because we set skb device to master */
- skb->iif = dev->ifindex;
-
/*
* fix up the pointers accounting for the radiotap
* header still being in there. We are being given
nh_pos += hdrlen;
h_pos += hdrlen;
- skb->iif = dev->ifindex;
-
dev->stats.tx_packets++;
dev->stats.tx_bytes += skb->len;
struct ieee80211_sub_if_data *sdata;
struct sta_info *sta;
struct ieee80211_hdr *hdr;
- struct net_device *dev;
int ret;
bool result = true;
- /* does interface still exist? */
- dev = dev_get_by_index(&init_net, skb->iif);
- if (!dev) {
- dev_kfree_skb(skb);
- return true;
- }
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
- sdata = container_of(sdata->bss,
- struct ieee80211_sub_if_data,
- u.ap);
-
- if (unlikely(info->control.vif && info->control.vif != &sdata->vif)) {
- dev_kfree_skb(skb);
- result = true;
- goto out;
- }
+ sdata = vif_to_sdata(info->control.vif);
if (info->flags & IEEE80211_TX_INTFL_NEED_TXPROCESSING) {
- /* do not use sdata, it may have been changed above */
- ieee80211_tx(IEEE80211_DEV_TO_SUB_IF(dev), skb, true);
+ ieee80211_tx(sdata, skb, true);
} else {
hdr = (struct ieee80211_hdr *)skb->data;
sta = sta_info_get(local, hdr->addr1);
result = false;
}
- out:
- dev_put(dev);
-
return result;
}
while (!skb_queue_empty(&local->pending[i])) {
struct sk_buff *skb = __skb_dequeue(&local->pending[i]);
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ struct ieee80211_sub_if_data *sdata;
+
+ if (WARN_ON(!info->control.vif)) {
+ kfree_skb(skb);
+ continue;
+ }
+
+ sdata = vif_to_sdata(info->control.vif);
+ dev_hold(sdata->dev);
spin_unlock_irqrestore(&local->queue_stop_reason_lock,
flags);
txok = ieee80211_tx_pending_skb(local, skb);
+ dev_put(sdata->dev);
if (!txok)
__skb_queue_head(&local->pending[i], skb);
spin_lock_irqsave(&local->queue_stop_reason_lock,
skb_set_network_header(skb, 0);
skb_set_transport_header(skb, 0);
- skb->iif = sdata->dev->ifindex;
if (!encrypt)
info->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;