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Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next

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Johan Hedberg says:

====================
pull request: bluetooth-next 2016-04-26

Here's another set of Bluetooth & 802.15.4 patches for the 4.7 kernel:

 - Cleanups & refactoring of ieee802154 & 6lowpan code
 - Security related additions to ieee802154 and mrf24j40 driver
 - Memory corruption fix to Bluetooth 6lowpan code
 - Race condition fix in vhci driver
 - Enhancements to the atusb 802.15.4 driver

Please let me know if there are any issues pulling. Thanks.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2016-04-26 13:15:56 -04:00
parent 9c9f261d6e 55441070ca
commit c0b0479307
19 changed files with 356 additions and 167 deletions
Download Patch File Download Diff File Expand all files Collapse all files
net/bluetooth/6lowpan.c
+47 -46
View File
@@ -68,7 +68,7 @@ struct lowpan_peer {
struct in6_addr peer_addr;
};
struct lowpan_dev {
struct lowpan_btle_dev {
struct list_head list;
struct hci_dev *hdev;
@@ -80,18 +80,21 @@ struct lowpan_dev {
struct delayed_work notify_peers;
};
static inline struct lowpan_dev *lowpan_dev(const struct net_device *netdev)
static inline struct lowpan_btle_dev *
lowpan_btle_dev(const struct net_device *netdev)
{
return (struct lowpan_dev *)lowpan_priv(netdev)->priv;
return (struct lowpan_btle_dev *)lowpan_dev(netdev)->priv;
}
static inline void peer_add(struct lowpan_dev *dev, struct lowpan_peer *peer)
static inline void peer_add(struct lowpan_btle_dev *dev,
struct lowpan_peer *peer)
{
list_add_rcu(&peer->list, &dev->peers);
atomic_inc(&dev->peer_count);
}
static inline bool peer_del(struct lowpan_dev *dev, struct lowpan_peer *peer)
static inline bool peer_del(struct lowpan_btle_dev *dev,
struct lowpan_peer *peer)
{
list_del_rcu(&peer->list);
kfree_rcu(peer, rcu);
@@ -106,7 +109,7 @@ static inline bool peer_del(struct lowpan_dev *dev, struct lowpan_peer *peer)
return false;
}
static inline struct lowpan_peer *peer_lookup_ba(struct lowpan_dev *dev,
static inline struct lowpan_peer *peer_lookup_ba(struct lowpan_btle_dev *dev,
bdaddr_t *ba, __u8 type)
{
struct lowpan_peer *peer;
@@ -134,8 +137,8 @@ static inline struct lowpan_peer *peer_lookup_ba(struct lowpan_dev *dev,
return NULL;
}
static inline struct lowpan_peer *__peer_lookup_chan(struct lowpan_dev *dev,
struct l2cap_chan *chan)
static inline struct lowpan_peer *
__peer_lookup_chan(struct lowpan_btle_dev *dev, struct l2cap_chan *chan)
{
struct lowpan_peer *peer;
@@ -147,8 +150,8 @@ static inline struct lowpan_peer *__peer_lookup_chan(struct lowpan_dev *dev,
return NULL;
}
static inline struct lowpan_peer *__peer_lookup_conn(struct lowpan_dev *dev,
struct l2cap_conn *conn)
static inline struct lowpan_peer *
__peer_lookup_conn(struct lowpan_btle_dev *dev, struct l2cap_conn *conn)
{
struct lowpan_peer *peer;
@@ -160,7 +163,7 @@ static inline struct lowpan_peer *__peer_lookup_conn(struct lowpan_dev *dev,
return NULL;
}
static inline struct lowpan_peer *peer_lookup_dst(struct lowpan_dev *dev,
static inline struct lowpan_peer *peer_lookup_dst(struct lowpan_btle_dev *dev,
struct in6_addr *daddr,
struct sk_buff *skb)
{
@@ -220,7 +223,7 @@ static inline struct lowpan_peer *peer_lookup_dst(struct lowpan_dev *dev,
static struct lowpan_peer *lookup_peer(struct l2cap_conn *conn)
{
struct lowpan_dev *entry;
struct lowpan_btle_dev *entry;
struct lowpan_peer *peer = NULL;
rcu_read_lock();
@@ -236,10 +239,10 @@ static struct lowpan_peer *lookup_peer(struct l2cap_conn *conn)
return peer;
}
static struct lowpan_dev *lookup_dev(struct l2cap_conn *conn)
static struct lowpan_btle_dev *lookup_dev(struct l2cap_conn *conn)
{
struct lowpan_dev *entry;
struct lowpan_dev *dev = NULL;
struct lowpan_btle_dev *entry;
struct lowpan_btle_dev *dev = NULL;
rcu_read_lock();
@@ -270,10 +273,10 @@ static int iphc_decompress(struct sk_buff *skb, struct net_device *netdev,
struct l2cap_chan *chan)
{
const u8 *saddr, *daddr;
struct lowpan_dev *dev;
struct lowpan_btle_dev *dev;
struct lowpan_peer *peer;
dev = lowpan_dev(netdev);
dev = lowpan_btle_dev(netdev);
rcu_read_lock();
peer = __peer_lookup_chan(dev, chan);
@@ -375,7 +378,7 @@ drop:
/* Packet from BT LE device */
static int chan_recv_cb(struct l2cap_chan *chan, struct sk_buff *skb)
{
struct lowpan_dev *dev;
struct lowpan_btle_dev *dev;
struct lowpan_peer *peer;
int err;
@@ -431,15 +434,18 @@ static int setup_header(struct sk_buff *skb, struct net_device *netdev,
bdaddr_t *peer_addr, u8 *peer_addr_type)
{
struct in6_addr ipv6_daddr;
struct lowpan_dev *dev;
struct ipv6hdr *hdr;
struct lowpan_btle_dev *dev;
struct lowpan_peer *peer;
bdaddr_t addr, *any = BDADDR_ANY;
u8 *daddr = any->b;
int err, status = 0;
dev = lowpan_dev(netdev);
hdr = ipv6_hdr(skb);
memcpy(&ipv6_daddr, &lowpan_cb(skb)->addr, sizeof(ipv6_daddr));
dev = lowpan_btle_dev(netdev);
memcpy(&ipv6_daddr, &hdr->daddr, sizeof(ipv6_daddr));
if (ipv6_addr_is_multicast(&ipv6_daddr)) {
lowpan_cb(skb)->chan = NULL;
@@ -489,15 +495,9 @@ static int header_create(struct sk_buff *skb, struct net_device *netdev,
unsigned short type, const void *_daddr,
const void *_saddr, unsigned int len)
{
struct ipv6hdr *hdr;
if (type != ETH_P_IPV6)
return -EINVAL;
hdr = ipv6_hdr(skb);
memcpy(&lowpan_cb(skb)->addr, &hdr->daddr, sizeof(struct in6_addr));
return 0;
}
@@ -543,19 +543,19 @@ static int send_pkt(struct l2cap_chan *chan, struct sk_buff *skb,
static int send_mcast_pkt(struct sk_buff *skb, struct net_device *netdev)
{
struct sk_buff *local_skb;
struct lowpan_dev *entry;
struct lowpan_btle_dev *entry;
int err = 0;
rcu_read_lock();
list_for_each_entry_rcu(entry, &bt_6lowpan_devices, list) {
struct lowpan_peer *pentry;
struct lowpan_dev *dev;
struct lowpan_btle_dev *dev;
if (entry->netdev != netdev)
continue;
dev = lowpan_dev(entry->netdev);
dev = lowpan_btle_dev(entry->netdev);
list_for_each_entry_rcu(pentry, &dev->peers, list) {
int ret;
@@ -723,8 +723,8 @@ static void ifdown(struct net_device *netdev)
static void do_notify_peers(struct work_struct *work)
{
struct lowpan_dev *dev = container_of(work, struct lowpan_dev,
notify_peers.work);
struct lowpan_btle_dev *dev = container_of(work, struct lowpan_btle_dev,
notify_peers.work);
netdev_notify_peers(dev->netdev); /* send neighbour adv at startup */
}
@@ -766,7 +766,7 @@ static void set_ip_addr_bits(u8 addr_type, u8 *addr)
}
static struct l2cap_chan *add_peer_chan(struct l2cap_chan *chan,
struct lowpan_dev *dev)
struct lowpan_btle_dev *dev)
{
struct lowpan_peer *peer;
@@ -803,12 +803,12 @@ static struct l2cap_chan *add_peer_chan(struct l2cap_chan *chan,
return peer->chan;
}
static int setup_netdev(struct l2cap_chan *chan, struct lowpan_dev **dev)
static int setup_netdev(struct l2cap_chan *chan, struct lowpan_btle_dev **dev)
{
struct net_device *netdev;
int err = 0;
netdev = alloc_netdev(LOWPAN_PRIV_SIZE(sizeof(struct lowpan_dev)),
netdev = alloc_netdev(LOWPAN_PRIV_SIZE(sizeof(struct lowpan_btle_dev)),
IFACE_NAME_TEMPLATE, NET_NAME_UNKNOWN,
netdev_setup);
if (!netdev)
@@ -820,7 +820,7 @@ static int setup_netdev(struct l2cap_chan *chan, struct lowpan_dev **dev)
SET_NETDEV_DEV(netdev, &chan->conn->hcon->hdev->dev);
SET_NETDEV_DEVTYPE(netdev, &bt_type);
*dev = lowpan_dev(netdev);
*dev = lowpan_btle_dev(netdev);
(*dev)->netdev = netdev;
(*dev)->hdev = chan->conn->hcon->hdev;
INIT_LIST_HEAD(&(*dev)->peers);
@@ -853,7 +853,7 @@ out:
static inline void chan_ready_cb(struct l2cap_chan *chan)
{
struct lowpan_dev *dev;
struct lowpan_btle_dev *dev;
dev = lookup_dev(chan->conn);
@@ -890,8 +890,9 @@ static inline struct l2cap_chan *chan_new_conn_cb(struct l2cap_chan *pchan)
static void delete_netdev(struct work_struct *work)
{
struct lowpan_dev *entry = container_of(work, struct lowpan_dev,
delete_netdev);
struct lowpan_btle_dev *entry = container_of(work,
struct lowpan_btle_dev,
delete_netdev);
lowpan_unregister_netdev(entry->netdev);
@@ -900,8 +901,8 @@ static void delete_netdev(struct work_struct *work)
static void chan_close_cb(struct l2cap_chan *chan)
{
struct lowpan_dev *entry;
struct lowpan_dev *dev = NULL;
struct lowpan_btle_dev *entry;
struct lowpan_btle_dev *dev = NULL;
struct lowpan_peer *peer;
int err = -ENOENT;
bool last = false, remove = true;
@@ -921,7 +922,7 @@ static void chan_close_cb(struct l2cap_chan *chan)
spin_lock(&devices_lock);
list_for_each_entry_rcu(entry, &bt_6lowpan_devices, list) {
dev = lowpan_dev(entry->netdev);
dev = lowpan_btle_dev(entry->netdev);
peer = __peer_lookup_chan(dev, chan);
if (peer) {
last = peer_del(dev, peer);
@@ -1131,7 +1132,7 @@ static int get_l2cap_conn(char *buf, bdaddr_t *addr, u8 *addr_type,
static void disconnect_all_peers(void)
{
struct lowpan_dev *entry;
struct lowpan_btle_dev *entry;
struct lowpan_peer *peer, *tmp_peer, *new_peer;
struct list_head peers;
@@ -1291,7 +1292,7 @@ static ssize_t lowpan_control_write(struct file *fp,
static int lowpan_control_show(struct seq_file *f, void *ptr)
{
struct lowpan_dev *entry;
struct lowpan_btle_dev *entry;
struct lowpan_peer *peer;
spin_lock(&devices_lock);
@@ -1322,7 +1323,7 @@ static const struct file_operations lowpan_control_fops = {
static void disconnect_devices(void)
{
struct lowpan_dev *entry, *tmp, *new_dev;
struct lowpan_btle_dev *entry, *tmp, *new_dev;
struct list_head devices;
INIT_LIST_HEAD(&devices);
@@ -1360,7 +1361,7 @@ static int device_event(struct notifier_block *unused,
unsigned long event, void *ptr)
{
struct net_device *netdev = netdev_notifier_info_to_dev(ptr);
struct lowpan_dev *entry;
struct lowpan_btle_dev *entry;
if (netdev->type != ARPHRD_6LOWPAN)
return NOTIFY_DONE;