Merge commit 'v2.6.27-rc6' into timers/hpet

1 files changed, 61 insertions, 56 deletions

diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 0fbadd8b983..4788f7b91f4 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();
 		/*
@@ -1300,14 +1301,15 @@ int ieee80211_master_start_xmit(struct sk_buff *skb,
 				struct net_device *dev)
 {
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
 	struct net_device *odev = NULL;
 	struct ieee80211_sub_if_data *osdata;
 	int headroom;
 	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 +1323,27 @@ 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);
+	if (ieee80211_vif_is_mesh(&osdata->vif) &&
+	    ieee80211_is_data(hdr->frame_control)) {
+		if (ieee80211_is_data(hdr->frame_control)) {
+			if (is_multicast_ether_addr(hdr->addr3))
+				memcpy(hdr->addr1, hdr->addr3, ETH_ALEN);
+			else
+				if (mesh_nexthop_lookup(skb, odev))
+					return  0;
+			if (memcmp(odev->dev_addr, hdr->addr4, ETH_ALEN) != 0)
+				IEEE80211_IFSTA_MESH_CTR_INC(&osdata->u.sta,
+							     fwded_frames);
+		}
+	}
+
+	may_encrypt = !skb->do_not_encrypt;
 
 	headroom = osdata->local->tx_headroom;
 	if (may_encrypt)
@@ -1348,7 +1368,6 @@ 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 +1390,11 @@ 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 +1438,6 @@ 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;
@@ -1469,30 +1487,17 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb,
 	case IEEE80211_IF_TYPE_MESH_POINT:
 		fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS);
 		/* RA TA DA SA */
-		if (is_multicast_ether_addr(skb->data))
-			memcpy(hdr.addr1, skb->data, ETH_ALEN);
-		else if (mesh_nexthop_lookup(hdr.addr1, skb, dev))
-				return 0;
+		memset(hdr.addr1, 0, ETH_ALEN);
 		memcpy(hdr.addr2, dev->dev_addr, ETH_ALEN);
 		memcpy(hdr.addr3, skb->data, ETH_ALEN);
 		memcpy(hdr.addr4, skb->data + ETH_ALEN, ETH_ALEN);
-		if (skb->pkt_type == PACKET_OTHERHOST) {
-			/* Forwarded frame, keep mesh ttl and seqnum */
-			struct ieee80211s_hdr *prev_meshhdr;
-			prev_meshhdr = ((struct ieee80211s_hdr *)skb->cb);
-			meshhdrlen = ieee80211_get_mesh_hdrlen(prev_meshhdr);
-			memcpy(&mesh_hdr, prev_meshhdr, meshhdrlen);
-			sdata->u.sta.mshstats.fwded_frames++;
-		} else {
-			if (!sdata->u.sta.mshcfg.dot11MeshTTL) {
-				/* Do not send frames with mesh_ttl == 0 */
-				sdata->u.sta.mshstats.dropped_frames_ttl++;
-				ret = 0;
-				goto fail;
-			}
-			meshhdrlen = ieee80211_new_mesh_header(&mesh_hdr,
-							       sdata);
+		if (!sdata->u.sta.mshcfg.dot11MeshTTL) {
+			/* Do not send frames with mesh_ttl == 0 */
+			sdata->u.sta.mshstats.dropped_frames_ttl++;
+			ret = 0;
+			goto fail;
 		}
+		meshhdrlen = ieee80211_new_mesh_header(&mesh_hdr, sdata);
 		hdrlen = 30;
 		break;
 #endif
@@ -1540,7 +1545,8 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb,
 	 * Drop unicast frames to unauthorised stations unless they are
 	 * EAPOL frames from the local station.
 	 */
-	if (unlikely(!is_multicast_ether_addr(hdr.addr1) &&
+	if (!ieee80211_vif_is_mesh(&sdata->vif) &&
+		unlikely(!is_multicast_ether_addr(hdr.addr1) &&
 		      !(sta_flags & WLAN_STA_AUTHORIZED) &&
 		      !(ethertype == ETH_P_PAE &&
 		       compare_ether_addr(dev->dev_addr,
@@ -1645,14 +1651,7 @@ 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 +1713,19 @@ 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 +1926,8 @@ 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 +1937,7 @@ 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 +1946,6 @@ 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 &&