Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem

Conflicts:
	drivers/net/wireless/rtlwifi/pci.c
	include/linux/netlink.h

1 files changed, 193 insertions, 2 deletions

diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index e937adab3683..b18db5628275 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -42,6 +42,7 @@
 #include <linux/notifier.h>
 #include <linux/rfkill.h>
 #include <linux/timer.h>
+#include <linux/crypto.h>
 #include <net/sock.h>
 
 #include <asm/system.h>
@@ -59,6 +60,8 @@ static void hci_tx_task(unsigned long arg);
 
 static DEFINE_RWLOCK(hci_task_lock);
 
+static int enable_smp;
+
 /* HCI device list */
 LIST_HEAD(hci_dev_list);
 DEFINE_RWLOCK(hci_dev_list_lock);
@@ -1202,6 +1205,177 @@ int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash,
 	return 0;
 }
 
+struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev,
+						bdaddr_t *bdaddr)
+{
+	struct list_head *p;
+
+	list_for_each(p, &hdev->blacklist) {
+		struct bdaddr_list *b;
+
+		b = list_entry(p, struct bdaddr_list, list);
+
+		if (bacmp(bdaddr, &b->bdaddr) == 0)
+			return b;
+	}
+
+	return NULL;
+}
+
+int hci_blacklist_clear(struct hci_dev *hdev)
+{
+	struct list_head *p, *n;
+
+	list_for_each_safe(p, n, &hdev->blacklist) {
+		struct bdaddr_list *b;
+
+		b = list_entry(p, struct bdaddr_list, list);
+
+		list_del(p);
+		kfree(b);
+	}
+
+	return 0;
+}
+
+int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr)
+{
+	struct bdaddr_list *entry;
+	int err;
+
+	if (bacmp(bdaddr, BDADDR_ANY) == 0)
+		return -EBADF;
+
+	hci_dev_lock(hdev);
+
+	if (hci_blacklist_lookup(hdev, bdaddr)) {
+		err = -EEXIST;
+		goto err;
+	}
+
+	entry = kzalloc(sizeof(struct bdaddr_list), GFP_KERNEL);
+	if (!entry) {
+		return -ENOMEM;
+		goto err;
+	}
+
+	bacpy(&entry->bdaddr, bdaddr);
+
+	list_add(&entry->list, &hdev->blacklist);
+
+	err = 0;
+
+err:
+	hci_dev_unlock(hdev);
+	return err;
+}
+
+int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr)
+{
+	struct bdaddr_list *entry;
+	int err = 0;
+
+	hci_dev_lock(hdev);
+
+	if (bacmp(bdaddr, BDADDR_ANY) == 0) {
+		hci_blacklist_clear(hdev);
+		goto done;
+	}
+
+	entry = hci_blacklist_lookup(hdev, bdaddr);
+	if (!entry) {
+		err = -ENOENT;
+		goto done;
+	}
+
+	list_del(&entry->list);
+	kfree(entry);
+
+done:
+	hci_dev_unlock(hdev);
+	return err;
+}
+
+static void hci_clear_adv_cache(unsigned long arg)
+{
+	struct hci_dev *hdev = (void *) arg;
+
+	hci_dev_lock(hdev);
+
+	hci_adv_entries_clear(hdev);
+
+	hci_dev_unlock(hdev);
+}
+
+int hci_adv_entries_clear(struct hci_dev *hdev)
+{
+	struct adv_entry *entry, *tmp;
+
+	list_for_each_entry_safe(entry, tmp, &hdev->adv_entries, list) {
+		list_del(&entry->list);
+		kfree(entry);
+	}
+
+	BT_DBG("%s adv cache cleared", hdev->name);
+
+	return 0;
+}
+
+struct adv_entry *hci_find_adv_entry(struct hci_dev *hdev, bdaddr_t *bdaddr)
+{
+	struct adv_entry *entry;
+
+	list_for_each_entry(entry, &hdev->adv_entries, list)
+		if (bacmp(bdaddr, &entry->bdaddr) == 0)
+			return entry;
+
+	return NULL;
+}
+
+static inline int is_connectable_adv(u8 evt_type)
+{
+	if (evt_type == ADV_IND || evt_type == ADV_DIRECT_IND)
+		return 1;
+
+	return 0;
+}
+
+int hci_add_adv_entry(struct hci_dev *hdev,
+					struct hci_ev_le_advertising_info *ev)
+{
+	struct adv_entry *entry;
+
+	if (!is_connectable_adv(ev->evt_type))
+		return -EINVAL;
+
+	/* Only new entries should be added to adv_entries. So, if
+	 * bdaddr was found, don't add it. */
+	if (hci_find_adv_entry(hdev, &ev->bdaddr))
+		return 0;
+
+	entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
+	if (!entry)
+		return -ENOMEM;
+
+	bacpy(&entry->bdaddr, &ev->bdaddr);
+	entry->bdaddr_type = ev->bdaddr_type;
+
+	list_add(&entry->list, &hdev->adv_entries);
+
+	BT_DBG("%s adv entry added: address %s type %u", hdev->name,
+				batostr(&entry->bdaddr), entry->bdaddr_type);
+
+	return 0;
+}
+
+static struct crypto_blkcipher *alloc_cypher(void)
+{
+	if (enable_smp)
+		return crypto_alloc_blkcipher("ecb(aes)", 0, CRYPTO_ALG_ASYNC);
+
+	return ERR_PTR(-ENOTSUPP);
+}
+
 /* Register HCI device */
 int hci_register_dev(struct hci_dev *hdev)
 {
@@ -1268,6 +1442,10 @@ int hci_register_dev(struct hci_dev *hdev)
 
 	INIT_LIST_HEAD(&hdev->remote_oob_data);
 
+	INIT_LIST_HEAD(&hdev->adv_entries);
+	setup_timer(&hdev->adv_timer, hci_clear_adv_cache,
+						(unsigned long) hdev);
+
 	INIT_WORK(&hdev->power_on, hci_power_on);
 	INIT_WORK(&hdev->power_off, hci_power_off);
 	setup_timer(&hdev->off_timer, hci_auto_off, (unsigned long) hdev);
@@ -1282,6 +1460,11 @@ int hci_register_dev(struct hci_dev *hdev)
 	if (!hdev->workqueue)
 		goto nomem;
 
+	hdev->tfm = alloc_cypher();
+	if (IS_ERR(hdev->tfm))
+		BT_INFO("Failed to load transform for ecb(aes): %ld",
+							PTR_ERR(hdev->tfm));
+
 	hci_register_sysfs(hdev);
 
 	hdev->rfkill = rfkill_alloc(hdev->name, &hdev->dev,
@@ -1330,6 +1513,9 @@ int hci_unregister_dev(struct hci_dev *hdev)
 					!test_bit(HCI_SETUP, &hdev->flags))
 		mgmt_index_removed(hdev->id);
 
+	if (!IS_ERR(hdev->tfm))
+		crypto_free_blkcipher(hdev->tfm);
+
 	hci_notify(hdev, HCI_DEV_UNREG);
 
 	if (hdev->rfkill) {
@@ -1340,6 +1526,7 @@ int hci_unregister_dev(struct hci_dev *hdev)
 	hci_unregister_sysfs(hdev);
 
 	hci_del_off_timer(hdev);
+	del_timer(&hdev->adv_timer);
 
 	destroy_workqueue(hdev->workqueue);
 
@@ -1348,6 +1535,7 @@ int hci_unregister_dev(struct hci_dev *hdev)
 	hci_uuids_clear(hdev);
 	hci_link_keys_clear(hdev);
 	hci_remote_oob_data_clear(hdev);
+	hci_adv_entries_clear(hdev);
 	hci_dev_unlock_bh(hdev);
 
 	__hci_dev_put(hdev);
@@ -1891,7 +2079,7 @@ static inline void hci_sched_acl(struct hci_dev *hdev)
 		while (quote-- && (skb = skb_dequeue(&conn->data_q))) {
 			BT_DBG("skb %p len %d", skb, skb->len);
 
-			hci_conn_enter_active_mode(conn);
+			hci_conn_enter_active_mode(conn, bt_cb(skb)->force_active);
 
 			hci_send_frame(skb);
 			hdev->acl_last_tx = jiffies;
@@ -2030,7 +2218,7 @@ static inline void hci_acldata_packet(struct hci_dev *hdev, struct sk_buff *skb)
 	if (conn) {
 		register struct hci_proto *hp;
 
-		hci_conn_enter_active_mode(conn);
+		hci_conn_enter_active_mode(conn, bt_cb(skb)->force_active);
 
 		/* Send to upper protocol */
 		hp = hci_proto[HCI_PROTO_L2CAP];
@@ -2164,3 +2352,6 @@ static void hci_cmd_task(unsigned long arg)
 		}
 	}
 }
+
+module_param(enable_smp, bool, 0644);
+MODULE_PARM_DESC(enable_smp, "Enable SMP support (LE only)");