Commit 4b42c542 authored by John W. Linville's avatar John W. Linville
Browse files

Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/padovan/bluetooth-next-2.6

Conflicts:
	net/bluetooth/l2cap_core.c
parents d8598981 e2fd318e
......@@ -375,6 +375,11 @@ static int ath3k_probe(struct usb_interface *intf,
/* load patch and sysconfig files for AR3012 */
if (id->driver_info & BTUSB_ATH3012) {
/* New firmware with patch and sysconfig files already loaded */
if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x0001)
return -ENODEV;
ret = ath3k_load_patch(udev);
if (ret < 0) {
BT_ERR("Loading patch file failed");
......
......@@ -54,6 +54,7 @@ static struct usb_driver btusb_driver;
#define BTUSB_BCM92035 0x10
#define BTUSB_BROKEN_ISOC 0x20
#define BTUSB_WRONG_SCO_MTU 0x40
#define BTUSB_ATH3012 0x80
static struct usb_device_id btusb_table[] = {
/* Generic Bluetooth USB device */
......@@ -110,7 +111,7 @@ static struct usb_device_id blacklist_table[] = {
{ USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE },
/* Atheros 3012 with sflash firmware */
{ USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_IGNORE },
{ USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
/* Atheros AR5BBU12 with sflash firmware */
{ USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },
......@@ -914,6 +915,15 @@ static int btusb_probe(struct usb_interface *intf,
if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER)
return -ENODEV;
if (id->driver_info & BTUSB_ATH3012) {
struct usb_device *udev = interface_to_usbdev(intf);
/* Old firmware would otherwise let ath3k driver load
* patch and sysconfig files */
if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001)
return -ENODEV;
}
data = kzalloc(sizeof(*data), GFP_KERNEL);
if (!data)
return -ENOMEM;
......
......@@ -56,6 +56,7 @@
#define BT_SECURITY 4
struct bt_security {
__u8 level;
__u8 key_size;
};
#define BT_SECURITY_SDP 0
#define BT_SECURITY_LOW 1
......@@ -76,9 +77,12 @@ struct bt_power {
#define BT_POWER_FORCE_ACTIVE_OFF 0
#define BT_POWER_FORCE_ACTIVE_ON 1
#define BT_INFO(fmt, arg...) printk(KERN_INFO "Bluetooth: " fmt "\n" , ## arg)
#define BT_ERR(fmt, arg...) printk(KERN_ERR "%s: " fmt "\n" , __func__ , ## arg)
#define BT_DBG(fmt, arg...) pr_debug("%s: " fmt "\n" , __func__ , ## arg)
__attribute__((format (printf, 2, 3)))
int bt_printk(const char *level, const char *fmt, ...);
#define BT_INFO(fmt, arg...) bt_printk(KERN_INFO, pr_fmt(fmt), ##arg)
#define BT_ERR(fmt, arg...) bt_printk(KERN_ERR, pr_fmt(fmt), ##arg)
#define BT_DBG(fmt, arg...) pr_debug(fmt "\n", ##arg)
/* Connection and socket states */
enum {
......@@ -204,7 +208,7 @@ out:
return NULL;
}
int bt_err(__u16 code);
int bt_to_errno(__u16 code);
extern int hci_sock_init(void);
extern void hci_sock_cleanup(void);
......
......@@ -211,11 +211,16 @@ enum {
#define LMP_EDR_3S_ESCO 0x80
#define LMP_EXT_INQ 0x01
#define LMP_SIMUL_LE_BR 0x02
#define LMP_SIMPLE_PAIR 0x08
#define LMP_NO_FLUSH 0x40
#define LMP_LSTO 0x01
#define LMP_INQ_TX_PWR 0x02
#define LMP_EXTFEATURES 0x80
/* Extended LMP features */
#define LMP_HOST_LE 0x02
/* Connection modes */
#define HCI_CM_ACTIVE 0x0000
......@@ -254,6 +259,10 @@ enum {
#define HCI_LK_UNAUTH_COMBINATION 0x04
#define HCI_LK_AUTH_COMBINATION 0x05
#define HCI_LK_CHANGED_COMBINATION 0x06
/* The spec doesn't define types for SMP keys */
#define HCI_LK_SMP_LTK 0x81
#define HCI_LK_SMP_IRK 0x82
#define HCI_LK_SMP_CSRK 0x83
/* ----- HCI Commands ---- */
#define HCI_OP_NOP 0x0000
......@@ -653,6 +662,12 @@ struct hci_rp_read_local_oob_data {
#define HCI_OP_READ_INQ_RSP_TX_POWER 0x0c58
#define HCI_OP_WRITE_LE_HOST_SUPPORTED 0x0c6d
struct hci_cp_write_le_host_supported {
__u8 le;
__u8 simul;
} __packed;
#define HCI_OP_READ_LOCAL_VERSION 0x1001
struct hci_rp_read_local_version {
__u8 status;
......@@ -676,6 +691,9 @@ struct hci_rp_read_local_features {
} __packed;
#define HCI_OP_READ_LOCAL_EXT_FEATURES 0x1004
struct hci_cp_read_local_ext_features {
__u8 page;
} __packed;
struct hci_rp_read_local_ext_features {
__u8 status;
__u8 page;
......
......@@ -74,12 +74,28 @@ struct bt_uuid {
u8 svc_hint;
};
struct key_master_id {
__le16 ediv;
u8 rand[8];
} __packed;
struct link_key_data {
bdaddr_t bdaddr;
u8 type;
u8 val[16];
u8 pin_len;
u8 dlen;
u8 data[0];
} __packed;
struct link_key {
struct list_head list;
bdaddr_t bdaddr;
u8 type;
u8 val[16];
u8 pin_len;
u8 dlen;
u8 data[0];
};
struct oob_data {
......@@ -113,6 +129,7 @@ struct hci_dev {
__u8 major_class;
__u8 minor_class;
__u8 features[8];
__u8 extfeatures[8];
__u8 commands[64];
__u8 ssp_mode;
__u8 hci_ver;
......@@ -223,7 +240,6 @@ struct hci_conn {
struct list_head list;
atomic_t refcnt;
spinlock_t lock;
bdaddr_t dst;
__u8 dst_type;
......@@ -245,11 +261,11 @@ struct hci_conn {
__u8 sec_level;
__u8 pending_sec_level;
__u8 pin_length;
__u8 enc_key_size;
__u8 io_capability;
__u8 power_save;
__u16 disc_timeout;
unsigned long pend;
__u8 ltk[16];
__u8 remote_cap;
__u8 remote_oob;
......@@ -272,7 +288,6 @@ struct hci_conn {
struct hci_dev *hdev;
void *l2cap_data;
void *sco_data;
void *priv;
struct hci_conn *link;
......@@ -538,6 +553,11 @@ int hci_link_keys_clear(struct hci_dev *hdev);
struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key,
bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len);
struct link_key *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8]);
struct link_key *hci_find_link_key_type(struct hci_dev *hdev,
bdaddr_t *bdaddr, u8 type);
int hci_add_ltk(struct hci_dev *hdev, int new_key, bdaddr_t *bdaddr,
u8 key_size, __le16 ediv, u8 rand[8], u8 ltk[16]);
int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
int hci_remote_oob_data_clear(struct hci_dev *hdev);
......@@ -579,6 +599,9 @@ void hci_conn_del_sysfs(struct hci_conn *conn);
#define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH)
#define lmp_le_capable(dev) ((dev)->features[4] & LMP_LE)
/* ----- Extended LMP capabilities ----- */
#define lmp_host_le_capable(dev) ((dev)->extfeatures[0] & LMP_HOST_LE)
/* ----- HCI protocols ----- */
struct hci_proto {
char *name;
......
......@@ -37,7 +37,6 @@
#define L2CAP_DEFAULT_MONITOR_TO 12000 /* 12 seconds */
#define L2CAP_DEFAULT_MAX_PDU_SIZE 1009 /* Sized for 3-DH5 packet */
#define L2CAP_DEFAULT_ACK_TO 200
#define L2CAP_LOCAL_BUSY_TRIES 12
#define L2CAP_LE_DEFAULT_MTU 23
#define L2CAP_CONN_TIMEOUT (40000) /* 40 seconds */
......@@ -130,6 +129,12 @@ struct l2cap_conninfo {
#define L2CAP_SDU_END 0x8000
#define L2CAP_SDU_CONTINUE 0xC000
/* L2CAP Command rej. reasons */
#define L2CAP_REJ_NOT_UNDERSTOOD 0x0000
#define L2CAP_REJ_MTU_EXCEEDED 0x0001
#define L2CAP_REJ_INVALID_CID 0x0002
/* L2CAP structures */
struct l2cap_hdr {
__le16 len;
......@@ -144,8 +149,19 @@ struct l2cap_cmd_hdr {
} __packed;
#define L2CAP_CMD_HDR_SIZE 4
struct l2cap_cmd_rej {
struct l2cap_cmd_rej_unk {
__le16 reason;
} __packed;
struct l2cap_cmd_rej_mtu {
__le16 reason;
__le16 max_mtu;
} __packed;
struct l2cap_cmd_rej_cid {
__le16 reason;
__le16 scid;
__le16 dcid;
} __packed;
struct l2cap_conn_req {
......@@ -352,8 +368,6 @@ struct l2cap_chan {
struct sk_buff *tx_send_head;
struct sk_buff_head tx_q;
struct sk_buff_head srej_q;
struct sk_buff_head busy_q;
struct work_struct busy_work;
struct list_head srej_l;
struct list_head list;
......@@ -422,6 +436,7 @@ struct l2cap_conn {
struct l2cap_pinfo {
struct bt_sock bt;
struct l2cap_chan *chan;
struct sk_buff *rx_busy_skb;
};
enum {
......@@ -449,7 +464,6 @@ enum {
CONN_REJ_ACT,
CONN_SEND_FBIT,
CONN_RNR_SENT,
CONN_SAR_RETRY,
};
#define __set_chan_timer(c, t) l2cap_set_timer(c, &c->chan_timer, (t))
......@@ -498,5 +512,6 @@ void l2cap_chan_close(struct l2cap_chan *chan, int reason);
void l2cap_chan_destroy(struct l2cap_chan *chan);
int l2cap_chan_connect(struct l2cap_chan *chan);
int l2cap_chan_send(struct l2cap_chan *chan, struct msghdr *msg, size_t len);
void l2cap_chan_busy(struct l2cap_chan *chan, int busy);
#endif /* __L2CAP_H */
......@@ -101,6 +101,8 @@ struct mgmt_key_info {
u8 type;
u8 val[16];
u8 pin_len;
u8 dlen;
u8 data[0];
} __packed;
#define MGMT_OP_LOAD_KEYS 0x000D
......
......@@ -118,5 +118,6 @@ struct smp_cmd_security_req {
/* SMP Commands */
int smp_conn_security(struct l2cap_conn *conn, __u8 sec_level);
int smp_sig_channel(struct l2cap_conn *conn, struct sk_buff *skb);
int smp_distribute_keys(struct l2cap_conn *conn, __u8 force);
#endif /* __SMP_H */
......@@ -60,8 +60,6 @@ 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);
......@@ -148,7 +146,7 @@ static int __hci_request(struct hci_dev *hdev, void (*req)(struct hci_dev *hdev,
switch (hdev->req_status) {
case HCI_REQ_DONE:
err = -bt_err(hdev->req_result);
err = -bt_to_errno(hdev->req_result);
break;
case HCI_REQ_CANCELED:
......@@ -542,7 +540,7 @@ int hci_dev_open(__u16 dev)
ret = __hci_request(hdev, hci_init_req, 0,
msecs_to_jiffies(HCI_INIT_TIMEOUT));
if (lmp_le_capable(hdev))
if (lmp_host_le_capable(hdev))
ret = __hci_request(hdev, hci_le_init_req, 0,
msecs_to_jiffies(HCI_INIT_TIMEOUT));
......@@ -1059,6 +1057,42 @@ static int hci_persistent_key(struct hci_dev *hdev, struct hci_conn *conn,
return 0;
}
struct link_key *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8])
{
struct link_key *k;
list_for_each_entry(k, &hdev->link_keys, list) {
struct key_master_id *id;
if (k->type != HCI_LK_SMP_LTK)
continue;
if (k->dlen != sizeof(*id))
continue;
id = (void *) &k->data;
if (id->ediv == ediv &&
(memcmp(rand, id->rand, sizeof(id->rand)) == 0))
return k;
}
return NULL;
}
EXPORT_SYMBOL(hci_find_ltk);
struct link_key *hci_find_link_key_type(struct hci_dev *hdev,
bdaddr_t *bdaddr, u8 type)
{
struct link_key *k;
list_for_each_entry(k, &hdev->link_keys, list)
if (k->type == type && bacmp(bdaddr, &k->bdaddr) == 0)
return k;
return NULL;
}
EXPORT_SYMBOL(hci_find_link_key_type);
int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key,
bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len)
{
......@@ -1114,6 +1148,44 @@ int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key,
return 0;
}
int hci_add_ltk(struct hci_dev *hdev, int new_key, bdaddr_t *bdaddr,
u8 key_size, __le16 ediv, u8 rand[8], u8 ltk[16])
{
struct link_key *key, *old_key;
struct key_master_id *id;
u8 old_key_type;
BT_DBG("%s addr %s", hdev->name, batostr(bdaddr));
old_key = hci_find_link_key_type(hdev, bdaddr, HCI_LK_SMP_LTK);
if (old_key) {
key = old_key;
old_key_type = old_key->type;
} else {
key = kzalloc(sizeof(*key) + sizeof(*id), GFP_ATOMIC);
if (!key)
return -ENOMEM;
list_add(&key->list, &hdev->link_keys);
old_key_type = 0xff;
}
key->dlen = sizeof(*id);
bacpy(&key->bdaddr, bdaddr);
memcpy(key->val, ltk, sizeof(key->val));
key->type = HCI_LK_SMP_LTK;
key->pin_len = key_size;
id = (void *) &key->data;
id->ediv = ediv;
memcpy(id->rand, rand, sizeof(id->rand));
if (new_key)
mgmt_new_key(hdev->id, key, old_key_type);
return 0;
}
int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr)
{
struct link_key *key;
......@@ -1246,7 +1318,7 @@ int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr)
if (bacmp(bdaddr, BDADDR_ANY) == 0)
return -EBADF;
hci_dev_lock(hdev);
hci_dev_lock_bh(hdev);
if (hci_blacklist_lookup(hdev, bdaddr)) {
err = -EEXIST;
......@@ -1266,7 +1338,7 @@ int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr)
err = 0;
err:
hci_dev_unlock(hdev);
hci_dev_unlock_bh(hdev);
return err;
}
......@@ -1275,7 +1347,7 @@ int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr)
struct bdaddr_list *entry;
int err = 0;
hci_dev_lock(hdev);
hci_dev_lock_bh(hdev);
if (bacmp(bdaddr, BDADDR_ANY) == 0) {
hci_blacklist_clear(hdev);
......@@ -1292,7 +1364,7 @@ int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr)
kfree(entry);
done:
hci_dev_unlock(hdev);
hci_dev_unlock_bh(hdev);
return err;
}
......@@ -1368,14 +1440,6 @@ int hci_add_adv_entry(struct hci_dev *hdev,
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)
{
......@@ -1460,7 +1524,7 @@ int hci_register_dev(struct hci_dev *hdev)
if (!hdev->workqueue)
goto nomem;
hdev->tfm = alloc_cypher();
hdev->tfm = crypto_alloc_blkcipher("ecb(aes)", 0, CRYPTO_ALG_ASYNC);
if (IS_ERR(hdev->tfm))
BT_INFO("Failed to load transform for ecb(aes): %ld",
PTR_ERR(hdev->tfm));
......@@ -2352,6 +2416,3 @@ static void hci_cmd_task(unsigned long arg)
}
}
}
module_param(enable_smp, bool, 0644);
MODULE_PARM_DESC(enable_smp, "Enable SMP support (LE only)");
......@@ -45,6 +45,8 @@
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
static int enable_le;
/* Handle HCI Event packets */
static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)
......@@ -525,6 +527,20 @@ static void hci_setup_event_mask(struct hci_dev *hdev)
hci_send_cmd(hdev, HCI_OP_SET_EVENT_MASK, sizeof(events), events);
}
static void hci_set_le_support(struct hci_dev *hdev)
{
struct hci_cp_write_le_host_supported cp;
memset(&cp, 0, sizeof(cp));
if (enable_le) {
cp.le = 1;
cp.simul = !!(hdev->features[6] & LMP_SIMUL_LE_BR);
}
hci_send_cmd(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(cp), &cp);
}
static void hci_setup(struct hci_dev *hdev)
{
hci_setup_event_mask(hdev);
......@@ -542,6 +558,17 @@ static void hci_setup(struct hci_dev *hdev)
if (hdev->features[7] & LMP_INQ_TX_PWR)
hci_send_cmd(hdev, HCI_OP_READ_INQ_RSP_TX_POWER, 0, NULL);
if (hdev->features[7] & LMP_EXTFEATURES) {
struct hci_cp_read_local_ext_features cp;
cp.page = 0x01;
hci_send_cmd(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES,
sizeof(cp), &cp);
}
if (hdev->features[4] & LMP_LE)
hci_set_le_support(hdev);
}
static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
......@@ -658,6 +685,21 @@ static void hci_cc_read_local_features(struct hci_dev *hdev, struct sk_buff *skb
hdev->features[6], hdev->features[7]);
}
static void hci_cc_read_local_ext_features(struct hci_dev *hdev,
struct sk_buff *skb)
{
struct hci_rp_read_local_ext_features *rp = (void *) skb->data;
BT_DBG("%s status 0x%x", hdev->name, rp->status);
if (rp->status)
return;
memcpy(hdev->extfeatures, rp->features, 8);
hci_req_complete(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES, rp->status);
}
static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_rp_read_buffer_size *rp = (void *) skb->data;
......@@ -892,6 +934,21 @@ static void hci_cc_le_ltk_neg_reply(struct hci_dev *hdev, struct sk_buff *skb)
hci_req_complete(hdev, HCI_OP_LE_LTK_NEG_REPLY, rp->status);
}
static inline void hci_cc_write_le_host_supported(struct hci_dev *hdev,
struct sk_buff *skb)
{
struct hci_cp_read_local_ext_features cp;
__u8 status = *((__u8 *) skb->data);
BT_DBG("%s status 0x%x", hdev->name, status);
if (status)
return;
cp.page = 0x01;
hci_send_cmd(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES, sizeof(cp), &cp);
}
static inline void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
{
BT_DBG("%s status 0x%x", hdev->name, status);
......@@ -1826,6 +1883,10 @@ static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *sk
hci_cc_read_local_features(hdev, skb);
break;
case HCI_OP_READ_LOCAL_EXT_FEATURES:
hci_cc_read_local_ext_features(hdev, skb);
break;
case HCI_OP_READ_BUFFER_SIZE:
hci_cc_read_buffer_size(hdev, skb);
break;
......@@ -1894,6 +1955,10 @@ static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *sk
hci_cc_le_ltk_neg_reply(hdev, skb);
break;
case HCI_OP_WRITE_LE_HOST_SUPPORTED:
hci_cc_write_le_host_supported(hdev, skb);
break;
default:
BT_DBG("%s opcode 0x%x", hdev->name, opcode);
break;
......@@ -2793,21 +2858,36 @@ static inline void hci_le_ltk_request_evt(struct hci_dev *hdev,
{
struct hci_ev_le_ltk_req *ev = (void *) skb->data;
struct hci_cp_le_ltk_reply cp;
struct hci_cp_le_ltk_neg_reply neg;
struct hci_conn *conn;
struct link_key *ltk;
BT_DBG("%s handle %d", hdev->name, cpu_to_le16(ev->handle));
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
if (conn == NULL)
goto not_found;
memset(&cp, 0, sizeof(cp));
ltk = hci_find_ltk(hdev, ev->ediv, ev->random);
if (ltk == NULL)
goto not_found;
memcpy(cp.ltk, ltk->val, sizeof(ltk->val));
cp.handle = cpu_to_le16(conn->handle);
memcpy(cp.ltk, conn->ltk, sizeof(conn->ltk));
conn->pin_length = ltk->pin_len;
hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);
hci_dev_unlock(hdev);
return;
not_found:
neg.handle = ev->handle;
hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg);
hci_dev_unlock(hdev);
}
static inline void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
......@@ -3022,3 +3102,6 @@ void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data)