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Diffstat (limited to 'net/mac80211/tx.c')
-rw-r--r--net/mac80211/tx.c72
1 files changed, 37 insertions, 35 deletions
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 0fbadd8b983c..771ec68b848d 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -305,7 +305,7 @@ static void purge_old_ps_buffers(struct ieee80211_local *local)
rcu_read_unlock();
local->total_ps_buffered = total;
-#ifdef MAC80211_VERBOSE_PS_DEBUG
+#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
printk(KERN_DEBUG "%s: PS buffers full - purged %d frames\n",
wiphy_name(local->hw.wiphy), purged);
#endif
@@ -342,7 +342,7 @@ ieee80211_tx_h_multicast_ps_buf(struct ieee80211_tx_data *tx)
purge_old_ps_buffers(tx->local);
if (skb_queue_len(&tx->sdata->bss->ps_bc_buf) >=
AP_MAX_BC_BUFFER) {
-#ifdef MAC80211_VERBOSE_PS_DEBUG
+#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
if (net_ratelimit()) {
printk(KERN_DEBUG "%s: BC TX buffer full - "
"dropping the oldest frame\n",
@@ -389,7 +389,7 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx)
purge_old_ps_buffers(tx->local);
if (skb_queue_len(&sta->ps_tx_buf) >= STA_MAX_TX_BUFFER) {
struct sk_buff *old = skb_dequeue(&sta->ps_tx_buf);
-#ifdef MAC80211_VERBOSE_PS_DEBUG
+#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
if (net_ratelimit()) {
printk(KERN_DEBUG "%s: STA %s TX "
"buffer full - dropping oldest frame\n",
@@ -439,14 +439,14 @@ ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx)
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb);
u16 fc = tx->fc;
- if (unlikely(info->flags & IEEE80211_TX_CTL_DO_NOT_ENCRYPT))
+ if (unlikely(tx->skb->do_not_encrypt))
tx->key = NULL;
else if (tx->sta && (key = rcu_dereference(tx->sta->key)))
tx->key = key;
else if ((key = rcu_dereference(tx->sdata->default_key)))
tx->key = key;
else if (tx->sdata->drop_unencrypted &&
- !(info->flags & IEEE80211_TX_CTL_EAPOL_FRAME) &&
+ (tx->skb->protocol != cpu_to_be16(ETH_P_PAE)) &&
!(info->flags & IEEE80211_TX_CTL_INJECTED)) {
I802_DEBUG_INC(tx->local->tx_handlers_drop_unencrypted);
return TX_DROP;
@@ -476,7 +476,7 @@ ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx)
}
if (!tx->key || !(tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
- info->flags |= IEEE80211_TX_CTL_DO_NOT_ENCRYPT;
+ tx->skb->do_not_encrypt = 1;
return TX_CONTINUE;
}
@@ -732,6 +732,7 @@ ieee80211_tx_h_fragment(struct ieee80211_tx_data *tx)
memcpy(skb_put(frag, copylen), pos, copylen);
memcpy(frag->cb, first->cb, sizeof(frag->cb));
skb_copy_queue_mapping(frag, first);
+ frag->do_not_encrypt = first->do_not_encrypt;
pos += copylen;
left -= copylen;
@@ -852,7 +853,7 @@ __ieee80211_parse_tx_radiotap(struct ieee80211_tx_data *tx,
sband = tx->local->hw.wiphy->bands[tx->channel->band];
- info->flags |= IEEE80211_TX_CTL_DO_NOT_ENCRYPT;
+ skb->do_not_encrypt = 1;
info->flags |= IEEE80211_TX_CTL_INJECTED;
tx->flags &= ~IEEE80211_TX_FRAGMENTED;
@@ -925,8 +926,7 @@ __ieee80211_parse_tx_radiotap(struct ieee80211_tx_data *tx,
skb_trim(skb, skb->len - FCS_LEN);
}
if (*iterator.this_arg & IEEE80211_RADIOTAP_F_WEP)
- info->flags &=
- ~IEEE80211_TX_CTL_DO_NOT_ENCRYPT;
+ tx->skb->do_not_encrypt = 0;
if (*iterator.this_arg & IEEE80211_RADIOTAP_F_FRAG)
tx->flags |= IEEE80211_TX_FRAGMENTED;
break;
@@ -1042,10 +1042,9 @@ static int ieee80211_tx_prepare(struct ieee80211_tx_data *tx,
struct sk_buff *skb,
struct net_device *mdev)
{
- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct net_device *dev;
- dev = dev_get_by_index(&init_net, info->control.ifindex);
+ dev = dev_get_by_index(&init_net, skb->iif);
if (unlikely(dev && !is_ieee80211_device(dev, mdev))) {
dev_put(dev);
dev = NULL;
@@ -1061,13 +1060,14 @@ static int ieee80211_tx_prepare(struct ieee80211_tx_data *tx,
static int __ieee80211_tx(struct ieee80211_local *local, struct sk_buff *skb,
struct ieee80211_tx_data *tx)
{
- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ struct ieee80211_tx_info *info;
int ret, i;
- if (netif_subqueue_stopped(local->mdev, skb))
- return IEEE80211_TX_AGAIN;
-
if (skb) {
+ if (netif_subqueue_stopped(local->mdev, skb))
+ return IEEE80211_TX_AGAIN;
+ info = IEEE80211_SKB_CB(skb);
+
ieee80211_dump_frame(wiphy_name(local->hw.wiphy),
"TX to low-level driver", skb);
ret = local->ops->tx(local_to_hw(local), skb);
@@ -1216,6 +1216,7 @@ retry:
if (ret == IEEE80211_TX_FRAG_AGAIN)
skb = NULL;
+
set_bit(queue, local->queues_pending);
smp_mb();
/*
@@ -1306,8 +1307,8 @@ int ieee80211_master_start_xmit(struct sk_buff *skb,
bool may_encrypt;
int ret;
- if (info->control.ifindex)
- odev = dev_get_by_index(&init_net, info->control.ifindex);
+ if (skb->iif)
+ odev = dev_get_by_index(&init_net, skb->iif);
if (unlikely(odev && !is_ieee80211_device(odev, dev))) {
dev_put(odev);
odev = NULL;
@@ -1321,9 +1322,13 @@ int ieee80211_master_start_xmit(struct sk_buff *skb,
return 0;
}
+ memset(info, 0, sizeof(*info));
+
+ info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS;
+
osdata = IEEE80211_DEV_TO_SUB_IF(odev);
- may_encrypt = !(info->flags & IEEE80211_TX_CTL_DO_NOT_ENCRYPT);
+ may_encrypt = !skb->do_not_encrypt;
headroom = osdata->local->tx_headroom;
if (may_encrypt)
@@ -1348,7 +1353,6 @@ int ieee80211_monitor_start_xmit(struct sk_buff *skb,
struct net_device *dev)
{
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_radiotap_header *prthdr =
(struct ieee80211_radiotap_header *)skb->data;
u16 len_rthdr;
@@ -1371,11 +1375,11 @@ int ieee80211_monitor_start_xmit(struct sk_buff *skb,
skb->dev = local->mdev;
/* needed because we set skb device to master */
- info->control.ifindex = dev->ifindex;
+ skb->iif = dev->ifindex;
- info->flags |= IEEE80211_TX_CTL_DO_NOT_ENCRYPT;
- /* Interfaces should always request a status report */
- info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS;
+ /* sometimes we do encrypt injected frames, will be fixed
+ * up in radiotap parser if not wanted */
+ skb->do_not_encrypt = 0;
/*
* fix up the pointers accounting for the radiotap
@@ -1419,7 +1423,6 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb,
struct net_device *dev)
{
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
- struct ieee80211_tx_info *info;
struct ieee80211_sub_if_data *sdata;
int ret = 1, head_need;
u16 ethertype, hdrlen, meshhdrlen = 0;
@@ -1645,14 +1648,7 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb,
nh_pos += hdrlen;
h_pos += hdrlen;
- info = IEEE80211_SKB_CB(skb);
- memset(info, 0, sizeof(*info));
- info->control.ifindex = dev->ifindex;
- if (ethertype == ETH_P_PAE)
- info->flags |= IEEE80211_TX_CTL_EAPOL_FRAME;
-
- /* Interfaces should always request a status report */
- info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS;
+ skb->iif = dev->ifindex;
skb->dev = local->mdev;
dev->stats.tx_packets++;
@@ -1714,14 +1710,19 @@ void ieee80211_tx_pending(unsigned long data)
netif_tx_lock_bh(dev);
for (i = 0; i < ieee80211_num_regular_queues(&local->hw); i++) {
/* Check that this queue is ok */
- if (__netif_subqueue_stopped(local->mdev, i))
+ if (__netif_subqueue_stopped(local->mdev, i) &&
+ !test_bit(i, local->queues_pending_run))
continue;
if (!test_bit(i, local->queues_pending)) {
+ clear_bit(i, local->queues_pending_run);
ieee80211_wake_queue(&local->hw, i);
continue;
}
+ clear_bit(i, local->queues_pending_run);
+ netif_start_subqueue(local->mdev, i);
+
store = &local->pending_packet[i];
tx.extra_frag = store->extra_frag;
tx.num_extra_frag = store->num_extra_frag;
@@ -1922,6 +1923,8 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
info = IEEE80211_SKB_CB(skb);
+ skb->do_not_encrypt = 1;
+
info->band = band;
rate_control_get_rate(local->mdev, sband, skb, &rsel);
@@ -1931,7 +1934,7 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
"no rate found\n",
wiphy_name(local->hw.wiphy));
}
- dev_kfree_skb(skb);
+ dev_kfree_skb_any(skb);
skb = NULL;
goto out;
}
@@ -1940,7 +1943,6 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
info->tx_rate_idx = rsel.rate_idx;
info->flags |= IEEE80211_TX_CTL_NO_ACK;
- info->flags |= IEEE80211_TX_CTL_DO_NOT_ENCRYPT;
info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT;
info->flags |= IEEE80211_TX_CTL_ASSIGN_SEQ;
if (sdata->bss_conf.use_short_preamble &&