1 files changed, 33 insertions, 12 deletions

diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index bc4fefc91663..ccf373788ce9 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -351,8 +351,8 @@ static void purge_old_ps_buffers(struct ieee80211_local *local)
 
         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
 }
 
@@ -509,6 +509,18 @@ ieee80211_tx_h_ps_buf(struct ieee80211_tx_data *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)
 {
         struct ieee80211_key *key = NULL;
@@ -527,7 +539,7 @@ ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx)
         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) &&
@@ -947,6 +959,8 @@ ieee80211_tx_h_stats(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;
 
@@ -960,10 +974,16 @@ ieee80211_tx_h_encrypt(struct ieee80211_tx_data *tx)
                 return ieee80211_crypto_ccmp_encrypt(tx);
         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;
 }
 
@@ -1341,6 +1361,7 @@ static int invoke_tx_handlers(struct ieee80211_tx_data *tx)
         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);
         if (!(tx->local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL))
                 CALL_TXH(ieee80211_tx_h_rate_ctrl);
@@ -1513,8 +1534,8 @@ static int ieee80211_skb_resize(struct ieee80211_local *local,
                 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;
         }
 
@@ -1701,7 +1722,7 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
         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;
@@ -1818,7 +1839,8 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
 #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);
@@ -1871,7 +1893,7 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
         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
@@ -2070,8 +2092,7 @@ void ieee80211_tx_pending(unsigned long data)
 
                 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);