*/
return TX_DROP;
+ if (tx->sdata->vif.type == NL80211_IFTYPE_WDS)
+ return TX_CONTINUE;
+
if (tx->sdata->vif.type == NL80211_IFTYPE_MESH_POINT)
return TX_CONTINUE;
local->total_ps_buffered = total;
#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
- printk(KERN_DEBUG "%s: PS buffers full - purged %d frames\n",
- wiphy_name(local->hw.wiphy), purged);
+ wiphy_debug(local->hw.wiphy, "PS buffers full - purged %d frames\n",
+ purged);
#endif
}
return ieee80211_tx_h_multicast_ps_buf(tx);
}
+static ieee80211_tx_result debug_noinline
+ieee80211_tx_h_check_control_port_protocol(struct ieee80211_tx_data *tx)
+{
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb);
+
+ if (unlikely(tx->sdata->control_port_protocol == tx->skb->protocol &&
+ tx->sdata->control_port_no_encrypt))
+ info->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
+
+ return TX_CONTINUE;
+}
+
static ieee80211_tx_result debug_noinline
ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx)
{
if (unlikely(info->flags & IEEE80211_TX_INTFL_DONT_ENCRYPT))
tx->key = NULL;
- else if (tx->sta && (key = rcu_dereference(tx->sta->key)))
+ else if (tx->sta && (key = rcu_dereference(tx->sta->ptk)))
tx->key = key;
else if (ieee80211_is_mgmt(hdr->frame_control) &&
is_multicast_ether_addr(hdr->addr1) &&
else if ((key = rcu_dereference(tx->sdata->default_key)))
tx->key = key;
else if (tx->sdata->drop_unencrypted &&
- (tx->skb->protocol != cpu_to_be16(ETH_P_PAE)) &&
+ (tx->skb->protocol != tx->sdata->control_port_protocol) &&
!(info->flags & IEEE80211_TX_CTL_INJECTED) &&
(!ieee80211_is_robust_mgmt_frame(hdr) ||
(ieee80211_is_action(hdr->frame_control) &&
tx->key->tx_rx_count++;
/* TODO: add threshold stuff again */
- switch (tx->key->conf.alg) {
- case ALG_WEP:
+ switch (tx->key->conf.cipher) {
+ case WLAN_CIPHER_SUITE_WEP40:
+ case WLAN_CIPHER_SUITE_WEP104:
if (ieee80211_is_auth(hdr->frame_control))
break;
- case ALG_TKIP:
+ case WLAN_CIPHER_SUITE_TKIP:
if (!ieee80211_is_data_present(hdr->frame_control))
tx->key = NULL;
break;
- case ALG_CCMP:
+ case WLAN_CIPHER_SUITE_CCMP:
if (!ieee80211_is_data_present(hdr->frame_control) &&
!ieee80211_use_mfp(hdr->frame_control, tx->sta,
tx->skb))
IEEE80211_KEY_FLAG_SW_MGMT) &&
ieee80211_is_mgmt(hdr->frame_control);
break;
- case ALG_AES_CMAC:
+ case WLAN_CIPHER_SUITE_AES_CMAC:
if (!ieee80211_is_mgmt(hdr->frame_control))
tx->key = NULL;
break;
return TX_CONTINUE;
}
-static ieee80211_tx_result debug_noinline
-ieee80211_tx_h_sta(struct ieee80211_tx_data *tx)
-{
- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb);
-
- if (tx->sta && tx->sta->uploaded)
- info->control.sta = &tx->sta->sta;
-
- return TX_CONTINUE;
-}
-
static ieee80211_tx_result debug_noinline
ieee80211_tx_h_rate_ctrl(struct ieee80211_tx_data *tx)
{
static ieee80211_tx_result debug_noinline
ieee80211_tx_h_encrypt(struct ieee80211_tx_data *tx)
{
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb);
+
if (!tx->key)
return TX_CONTINUE;
- switch (tx->key->conf.alg) {
- case ALG_WEP:
+ switch (tx->key->conf.cipher) {
+ case WLAN_CIPHER_SUITE_WEP40:
+ case WLAN_CIPHER_SUITE_WEP104:
return ieee80211_crypto_wep_encrypt(tx);
- case ALG_TKIP:
+ case WLAN_CIPHER_SUITE_TKIP:
return ieee80211_crypto_tkip_encrypt(tx);
- case ALG_CCMP:
+ case WLAN_CIPHER_SUITE_CCMP:
return ieee80211_crypto_ccmp_encrypt(tx);
- case ALG_AES_CMAC:
+ case WLAN_CIPHER_SUITE_AES_CMAC:
return ieee80211_crypto_aes_cmac_encrypt(tx);
+ default:
+ /* handle hw-only algorithm */
+ if (info->control.hw_key) {
+ ieee80211_tx_set_protected(tx);
+ return TX_CONTINUE;
+ }
+ break;
+
}
- /* not reached */
- WARN_ON(1);
return TX_DROP;
}
return true;
}
+static bool ieee80211_tx_prep_agg(struct ieee80211_tx_data *tx,
+ struct sk_buff *skb,
+ struct ieee80211_tx_info *info,
+ struct tid_ampdu_tx *tid_tx,
+ int tid)
+{
+ bool queued = false;
+
+ if (test_bit(HT_AGG_STATE_OPERATIONAL, &tid_tx->state)) {
+ info->flags |= IEEE80211_TX_CTL_AMPDU;
+ } else if (test_bit(HT_AGG_STATE_WANT_START, &tid_tx->state)) {
+ /*
+ * nothing -- this aggregation session is being started
+ * but that might still fail with the driver
+ */
+ } else {
+ spin_lock(&tx->sta->lock);
+ /*
+ * Need to re-check now, because we may get here
+ *
+ * 1) in the window during which the setup is actually
+ * already done, but not marked yet because not all
+ * packets are spliced over to the driver pending
+ * queue yet -- if this happened we acquire the lock
+ * either before or after the splice happens, but
+ * need to recheck which of these cases happened.
+ *
+ * 2) during session teardown, if the OPERATIONAL bit
+ * was cleared due to the teardown but the pointer
+ * hasn't been assigned NULL yet (or we loaded it
+ * before it was assigned) -- in this case it may
+ * now be NULL which means we should just let the
+ * packet pass through because splicing the frames
+ * back is already done.
+ */
+ tid_tx = tx->sta->ampdu_mlme.tid_tx[tid];
+
+ if (!tid_tx) {
+ /* do nothing, let packet pass through */
+ } else if (test_bit(HT_AGG_STATE_OPERATIONAL, &tid_tx->state)) {
+ info->flags |= IEEE80211_TX_CTL_AMPDU;
+ } else {
+ queued = true;
+ info->control.vif = &tx->sdata->vif;
+ info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING;
+ __skb_queue_tail(&tid_tx->pending, skb);
+ }
+ spin_unlock(&tx->sta->lock);
+ }
+
+ return queued;
+}
+
/*
* initialises @tx
*/
struct ieee80211_hdr *hdr;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
int hdrlen, tid;
- u8 *qc, *state;
- bool queued = false;
+ u8 *qc;
memset(tx, 0, sizeof(*tx));
tx->skb = skb;
qc = ieee80211_get_qos_ctl(hdr);
tid = *qc & IEEE80211_QOS_CTL_TID_MASK;
- spin_lock(&tx->sta->lock);
- /*
- * XXX: This spinlock could be fairly expensive, but see the
- * comment in agg-tx.c:ieee80211_agg_tx_operational().
- * One way to solve this would be to do something RCU-like
- * for managing the tid_tx struct and using atomic bitops
- * for the actual state -- by introducing an actual
- * 'operational' bit that would be possible. It would
- * require changing ieee80211_agg_tx_operational() to
- * set that bit, and changing the way tid_tx is managed
- * everywhere, including races between that bit and
- * tid_tx going away (tid_tx being added can be easily
- * committed to memory before the 'operational' bit).
- */
- tid_tx = tx->sta->ampdu_mlme.tid_tx[tid];
- state = &tx->sta->ampdu_mlme.tid_state_tx[tid];
- if (*state == HT_AGG_STATE_OPERATIONAL) {
- info->flags |= IEEE80211_TX_CTL_AMPDU;
- } 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);
- }
- spin_unlock(&tx->sta->lock);
+ tid_tx = rcu_dereference(tx->sta->ampdu_mlme.tid_tx[tid]);
+ if (tid_tx) {
+ bool queued;
+
+ queued = ieee80211_tx_prep_agg(tx, skb, info,
+ tid_tx, tid);
- if (unlikely(queued))
- return TX_QUEUED;
+ if (unlikely(queued))
+ return TX_QUEUED;
+ }
}
if (is_multicast_ether_addr(hdr->addr1)) {
break;
}
+ if (sta && sta->uploaded)
+ info->control.sta = &sta->sta;
+ else
+ info->control.sta = NULL;
+
ret = drv_tx(local, skb);
if (WARN_ON(ret != NETDEV_TX_OK && skb->len != len)) {
dev_kfree_skb(skb);
CALL_TXH(ieee80211_tx_h_dynamic_ps);
CALL_TXH(ieee80211_tx_h_check_assoc);
CALL_TXH(ieee80211_tx_h_ps_buf);
+ CALL_TXH(ieee80211_tx_h_check_control_port_protocol);
CALL_TXH(ieee80211_tx_h_select_key);
- CALL_TXH(ieee80211_tx_h_sta);
if (!(tx->local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL))
CALL_TXH(ieee80211_tx_h_rate_ctrl);
I802_DEBUG_INC(local->tx_expand_skb_head);
if (pskb_expand_head(skb, head_need, tail_need, GFP_ATOMIC)) {
- printk(KERN_DEBUG "%s: failed to reallocate TX buffer\n",
- wiphy_name(local->hw.wiphy));
+ wiphy_debug(local->hw.wiphy,
+ "failed to reallocate TX buffer\n");
return -ENOMEM;
}
return;
}
+ hdr = (struct ieee80211_hdr *) skb->data;
info->control.vif = &sdata->vif;
if (ieee80211_vif_is_mesh(&sdata->vif) &&
u16 ethertype, hdrlen, meshhdrlen = 0;
__le16 fc;
struct ieee80211_hdr hdr;
- struct ieee80211s_hdr mesh_hdr;
+ struct ieee80211s_hdr mesh_hdr __maybe_unused;
const u8 *encaps_data;
int encaps_len, skip_header_bytes;
int nh_pos, h_pos;
#endif
case NL80211_IFTYPE_STATION:
memcpy(hdr.addr1, sdata->u.mgd.bssid, ETH_ALEN);
- if (sdata->u.mgd.use_4addr && ethertype != ETH_P_PAE) {
+ if (sdata->u.mgd.use_4addr &&
+ cpu_to_be16(ethertype) != sdata->control_port_protocol) {
fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS);
/* RA TA DA SA */
memcpy(hdr.addr2, sdata->vif.addr, ETH_ALEN);
if (!ieee80211_vif_is_mesh(&sdata->vif) &&
unlikely(!is_multicast_ether_addr(hdr.addr1) &&
!(sta_flags & WLAN_STA_AUTHORIZED) &&
- !(ethertype == ETH_P_PAE &&
+ !(cpu_to_be16(ethertype) == sdata->control_port_protocol &&
compare_ether_addr(sdata->vif.addr,
skb->data + ETH_ALEN) == 0))) {
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
h_pos += encaps_len;
}
+#ifdef CONFIG_MAC80211_MESH
if (meshhdrlen > 0) {
memcpy(skb_push(skb, meshhdrlen), &mesh_hdr, meshhdrlen);
nh_pos += meshhdrlen;
h_pos += meshhdrlen;
}
+#endif
if (ieee80211_is_data_qos(fc)) {
__le16 *qos_control;
if (skb_queue_empty(&local->pending[i]))
list_for_each_entry_rcu(sdata, &local->interfaces, list)
- netif_tx_wake_queue(
- netdev_get_tx_queue(sdata->dev, i));
+ netif_wake_subqueue(sdata->dev, i);
}
spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
git.openpandora.org / pandora-kernel.git / blobdiff