1 files changed, 21 insertions, 26 deletions

diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index c5f78059c6ca..69019e943873 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -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;
@@ -1306,8 +1305,8 @@ 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 +1320,13 @@ 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 +1351,6 @@ 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 +1373,11 @@ 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 +1421,6 @@ 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 +1646,7 @@ 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++;
@@ -1922,6 +1916,8 @@ 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);
 
@@ -1940,7 +1936,6 @@ 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 &&