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authorPablo Neira Ayuso <pablo@netfilter.org>2015-10-17 14:11:08 +0200
committerPablo Neira Ayuso <pablo@netfilter.org>2015-10-17 14:28:03 +0200
commitf0a0a978b66fea782a52b0a7075b3fa9ab27ad0a (patch)
tree52ecc0eafbac697c6afaa542efe324984484120c /net/bluetooth
parentc8d71d08aa23679f56e7072358383442c6ede352 (diff)
parent4be3158abe1e02d24f82b34101e41d662fae2185 (diff)
downloadlinux-f0a0a978b66fea782a52b0a7075b3fa9ab27ad0a.tar.bz2
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
This merge resolves conflicts with 75aec9df3a78 ("bridge: Remove br_nf_push_frag_xmit_sk") as part of Eric Biederman's effort to improve netns support in the network stack that reached upstream via David's net-next tree. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Conflicts: net/bridge/br_netfilter_hooks.c
Diffstat (limited to 'net/bluetooth')
-rw-r--r--net/bluetooth/6lowpan.c78
-rw-r--r--net/bluetooth/hci_core.c142
-rw-r--r--net/bluetooth/hci_sock.c70
-rw-r--r--net/bluetooth/lib.c16
4 files changed, 230 insertions, 76 deletions
diff --git a/net/bluetooth/6lowpan.c b/net/bluetooth/6lowpan.c
index 131e79cde350..db73b8a1433f 100644
--- a/net/bluetooth/6lowpan.c
+++ b/net/bluetooth/6lowpan.c
@@ -35,7 +35,6 @@ static struct dentry *lowpan_enable_debugfs;
static struct dentry *lowpan_control_debugfs;
#define IFACE_NAME_TEMPLATE "bt%d"
-#define EUI64_ADDR_LEN 8
struct skb_cb {
struct in6_addr addr;
@@ -674,13 +673,8 @@ static struct header_ops header_ops = {
static void netdev_setup(struct net_device *dev)
{
- dev->addr_len = EUI64_ADDR_LEN;
- dev->type = ARPHRD_6LOWPAN;
-
dev->hard_header_len = 0;
dev->needed_tailroom = 0;
- dev->mtu = IPV6_MIN_MTU;
- dev->tx_queue_len = 0;
dev->flags = IFF_RUNNING | IFF_POINTOPOINT |
IFF_MULTICAST;
dev->watchdog_timeo = 0;
@@ -775,24 +769,7 @@ static struct l2cap_chan *chan_create(void)
chan->chan_type = L2CAP_CHAN_CONN_ORIENTED;
chan->mode = L2CAP_MODE_LE_FLOWCTL;
- chan->omtu = 65535;
- chan->imtu = chan->omtu;
-
- return chan;
-}
-
-static struct l2cap_chan *chan_open(struct l2cap_chan *pchan)
-{
- struct l2cap_chan *chan;
-
- chan = chan_create();
- if (!chan)
- return NULL;
-
- chan->remote_mps = chan->omtu;
- chan->mps = chan->omtu;
-
- chan->state = BT_CONNECTED;
+ chan->imtu = 1280;
return chan;
}
@@ -919,7 +896,10 @@ static inline struct l2cap_chan *chan_new_conn_cb(struct l2cap_chan *pchan)
{
struct l2cap_chan *chan;
- chan = chan_open(pchan);
+ chan = chan_create();
+ if (!chan)
+ return NULL;
+
chan->ops = pchan->ops;
BT_DBG("chan %p pchan %p", chan, pchan);
@@ -1065,34 +1045,23 @@ static inline __u8 bdaddr_type(__u8 type)
return BDADDR_LE_RANDOM;
}
-static struct l2cap_chan *chan_get(void)
-{
- struct l2cap_chan *pchan;
-
- pchan = chan_create();
- if (!pchan)
- return NULL;
-
- pchan->ops = &bt_6lowpan_chan_ops;
-
- return pchan;
-}
-
static int bt_6lowpan_connect(bdaddr_t *addr, u8 dst_type)
{
- struct l2cap_chan *pchan;
+ struct l2cap_chan *chan;
int err;
- pchan = chan_get();
- if (!pchan)
+ chan = chan_create();
+ if (!chan)
return -EINVAL;
- err = l2cap_chan_connect(pchan, cpu_to_le16(L2CAP_PSM_IPSP), 0,
+ chan->ops = &bt_6lowpan_chan_ops;
+
+ err = l2cap_chan_connect(chan, cpu_to_le16(L2CAP_PSM_IPSP), 0,
addr, dst_type);
- BT_DBG("chan %p err %d", pchan, err);
+ BT_DBG("chan %p err %d", chan, err);
if (err < 0)
- l2cap_chan_put(pchan);
+ l2cap_chan_put(chan);
return err;
}
@@ -1117,31 +1086,32 @@ static int bt_6lowpan_disconnect(struct l2cap_conn *conn, u8 dst_type)
static struct l2cap_chan *bt_6lowpan_listen(void)
{
bdaddr_t *addr = BDADDR_ANY;
- struct l2cap_chan *pchan;
+ struct l2cap_chan *chan;
int err;
if (!enable_6lowpan)
return NULL;
- pchan = chan_get();
- if (!pchan)
+ chan = chan_create();
+ if (!chan)
return NULL;
- pchan->state = BT_LISTEN;
- pchan->src_type = BDADDR_LE_PUBLIC;
+ chan->ops = &bt_6lowpan_chan_ops;
+ chan->state = BT_LISTEN;
+ chan->src_type = BDADDR_LE_PUBLIC;
- atomic_set(&pchan->nesting, L2CAP_NESTING_PARENT);
+ atomic_set(&chan->nesting, L2CAP_NESTING_PARENT);
- BT_DBG("chan %p src type %d", pchan, pchan->src_type);
+ BT_DBG("chan %p src type %d", chan, chan->src_type);
- err = l2cap_add_psm(pchan, addr, cpu_to_le16(L2CAP_PSM_IPSP));
+ err = l2cap_add_psm(chan, addr, cpu_to_le16(L2CAP_PSM_IPSP));
if (err) {
- l2cap_chan_put(pchan);
+ l2cap_chan_put(chan);
BT_ERR("psm cannot be added err %d", err);
return NULL;
}
- return pchan;
+ return chan;
}
static int get_l2cap_conn(char *buf, bdaddr_t *addr, u8 *addr_type,
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index a7cdd99ec3f1..d2b3dd32d6cf 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -134,6 +134,66 @@ static const struct file_operations dut_mode_fops = {
.llseek = default_llseek,
};
+static ssize_t vendor_diag_read(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct hci_dev *hdev = file->private_data;
+ char buf[3];
+
+ buf[0] = hci_dev_test_flag(hdev, HCI_VENDOR_DIAG) ? 'Y': 'N';
+ buf[1] = '\n';
+ buf[2] = '\0';
+ return simple_read_from_buffer(user_buf, count, ppos, buf, 2);
+}
+
+static ssize_t vendor_diag_write(struct file *file, const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct hci_dev *hdev = file->private_data;
+ char buf[32];
+ size_t buf_size = min(count, (sizeof(buf)-1));
+ bool enable;
+ int err;
+
+ if (copy_from_user(buf, user_buf, buf_size))
+ return -EFAULT;
+
+ buf[buf_size] = '\0';
+ if (strtobool(buf, &enable))
+ return -EINVAL;
+
+ hci_req_lock(hdev);
+ err = hdev->set_diag(hdev, enable);
+ hci_req_unlock(hdev);
+
+ if (err < 0)
+ return err;
+
+ if (enable)
+ hci_dev_set_flag(hdev, HCI_VENDOR_DIAG);
+ else
+ hci_dev_clear_flag(hdev, HCI_VENDOR_DIAG);
+
+ return count;
+}
+
+static const struct file_operations vendor_diag_fops = {
+ .open = simple_open,
+ .read = vendor_diag_read,
+ .write = vendor_diag_write,
+ .llseek = default_llseek,
+};
+
+static void hci_debugfs_create_basic(struct hci_dev *hdev)
+{
+ debugfs_create_file("dut_mode", 0644, hdev->debugfs, hdev,
+ &dut_mode_fops);
+
+ if (hdev->set_diag)
+ debugfs_create_file("vendor_diag", 0644, hdev->debugfs, hdev,
+ &vendor_diag_fops);
+}
+
/* ---- HCI requests ---- */
static void hci_req_sync_complete(struct hci_dev *hdev, u8 result, u16 opcode,
@@ -850,13 +910,8 @@ static int __hci_init(struct hci_dev *hdev)
if (err < 0)
return err;
- /* The Device Under Test (DUT) mode is special and available for
- * all controller types. So just create it early on.
- */
- if (hci_dev_test_flag(hdev, HCI_SETUP)) {
- debugfs_create_file("dut_mode", 0644, hdev->debugfs, hdev,
- &dut_mode_fops);
- }
+ if (hci_dev_test_flag(hdev, HCI_SETUP))
+ hci_debugfs_create_basic(hdev);
err = __hci_req_sync(hdev, hci_init2_req, 0, HCI_INIT_TIMEOUT);
if (err < 0)
@@ -933,6 +988,9 @@ static int __hci_unconf_init(struct hci_dev *hdev)
if (err < 0)
return err;
+ if (hci_dev_test_flag(hdev, HCI_SETUP))
+ hci_debugfs_create_basic(hdev);
+
return 0;
}
@@ -1385,6 +1443,9 @@ static int hci_dev_do_open(struct hci_dev *hdev)
goto done;
}
+ set_bit(HCI_RUNNING, &hdev->flags);
+ hci_notify(hdev, HCI_DEV_OPEN);
+
atomic_set(&hdev->cmd_cnt, 1);
set_bit(HCI_INIT, &hdev->flags);
@@ -1466,6 +1527,9 @@ static int hci_dev_do_open(struct hci_dev *hdev)
hdev->sent_cmd = NULL;
}
+ clear_bit(HCI_RUNNING, &hdev->flags);
+ hci_notify(hdev, HCI_DEV_CLOSE);
+
hdev->close(hdev);
hdev->flags &= BIT(HCI_RAW);
}
@@ -1551,6 +1615,8 @@ static void hci_pend_le_actions_clear(struct hci_dev *hdev)
int hci_dev_do_close(struct hci_dev *hdev)
{
+ bool auto_off;
+
BT_DBG("%s %p", hdev->name, hdev);
if (!hci_dev_test_flag(hdev, HCI_UNREGISTER) &&
@@ -1606,10 +1672,10 @@ int hci_dev_do_close(struct hci_dev *hdev)
hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
- if (!hci_dev_test_and_clear_flag(hdev, HCI_AUTO_OFF)) {
- if (hdev->dev_type == HCI_BREDR)
- mgmt_powered(hdev, 0);
- }
+ auto_off = hci_dev_test_and_clear_flag(hdev, HCI_AUTO_OFF);
+
+ if (!auto_off && hdev->dev_type == HCI_BREDR)
+ mgmt_powered(hdev, 0);
hci_inquiry_cache_flush(hdev);
hci_pend_le_actions_clear(hdev);
@@ -1626,9 +1692,8 @@ int hci_dev_do_close(struct hci_dev *hdev)
/* Reset device */
skb_queue_purge(&hdev->cmd_q);
atomic_set(&hdev->cmd_cnt, 1);
- if (!hci_dev_test_flag(hdev, HCI_AUTO_OFF) &&
- !hci_dev_test_flag(hdev, HCI_UNCONFIGURED) &&
- test_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks)) {
+ if (test_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks) &&
+ !auto_off && !hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) {
set_bit(HCI_INIT, &hdev->flags);
__hci_req_sync(hdev, hci_reset_req, 0, HCI_CMD_TIMEOUT);
clear_bit(HCI_INIT, &hdev->flags);
@@ -1649,6 +1714,9 @@ int hci_dev_do_close(struct hci_dev *hdev)
hdev->sent_cmd = NULL;
}
+ clear_bit(HCI_RUNNING, &hdev->flags);
+ hci_notify(hdev, HCI_DEV_CLOSE);
+
/* After this point our queues are empty
* and no tasks are scheduled. */
hdev->close(hdev);
@@ -3471,6 +3539,13 @@ int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb)
return -ENXIO;
}
+ if (bt_cb(skb)->pkt_type != HCI_EVENT_PKT &&
+ bt_cb(skb)->pkt_type != HCI_ACLDATA_PKT &&
+ bt_cb(skb)->pkt_type != HCI_SCODATA_PKT) {
+ kfree_skb(skb);
+ return -EINVAL;
+ }
+
/* Incoming skb */
bt_cb(skb)->incoming = 1;
@@ -3484,6 +3559,21 @@ int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb)
}
EXPORT_SYMBOL(hci_recv_frame);
+/* Receive diagnostic message from HCI drivers */
+int hci_recv_diag(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ /* Time stamp */
+ __net_timestamp(skb);
+
+ /* Mark as diagnostic packet and send to monitor */
+ bt_cb(skb)->pkt_type = HCI_DIAG_PKT;
+ hci_send_to_monitor(hdev, skb);
+
+ kfree_skb(skb);
+ return 0;
+}
+EXPORT_SYMBOL(hci_recv_diag);
+
/* ---- Interface to upper protocols ---- */
int hci_register_cb(struct hci_cb *cb)
@@ -3530,6 +3620,11 @@ static void hci_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
/* Get rid of skb owner, prior to sending to the driver. */
skb_orphan(skb);
+ if (!test_bit(HCI_RUNNING, &hdev->flags)) {
+ kfree_skb(skb);
+ return;
+ }
+
err = hdev->send(hdev, skb);
if (err < 0) {
BT_ERR("%s sending frame failed (%d)", hdev->name, err);
@@ -3580,6 +3675,25 @@ void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode)
return hdev->sent_cmd->data + HCI_COMMAND_HDR_SIZE;
}
+/* Send HCI command and wait for command commplete event */
+struct sk_buff *hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen,
+ const void *param, u32 timeout)
+{
+ struct sk_buff *skb;
+
+ if (!test_bit(HCI_UP, &hdev->flags))
+ return ERR_PTR(-ENETDOWN);
+
+ bt_dev_dbg(hdev, "opcode 0x%4.4x plen %d", opcode, plen);
+
+ hci_req_lock(hdev);
+ skb = __hci_cmd_sync(hdev, opcode, plen, param, timeout);
+ hci_req_unlock(hdev);
+
+ return skb;
+}
+EXPORT_SYMBOL(hci_cmd_sync);
+
/* Send ACL data */
static void hci_add_acl_hdr(struct sk_buff *skb, __u16 handle, __u16 flags)
{
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index 150556345263..9a100c1fd7b5 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -279,6 +279,9 @@ void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb)
else
opcode = cpu_to_le16(HCI_MON_SCO_TX_PKT);
break;
+ case HCI_DIAG_PKT:
+ opcode = cpu_to_le16(HCI_MON_VENDOR_DIAG);
+ break;
default:
return;
}
@@ -303,6 +306,7 @@ static struct sk_buff *create_monitor_event(struct hci_dev *hdev, int event)
{
struct hci_mon_hdr *hdr;
struct hci_mon_new_index *ni;
+ struct hci_mon_index_info *ii;
struct sk_buff *skb;
__le16 opcode;
@@ -312,7 +316,7 @@ static struct sk_buff *create_monitor_event(struct hci_dev *hdev, int event)
if (!skb)
return NULL;
- ni = (void *) skb_put(skb, HCI_MON_NEW_INDEX_SIZE);
+ ni = (void *)skb_put(skb, HCI_MON_NEW_INDEX_SIZE);
ni->type = hdev->dev_type;
ni->bus = hdev->bus;
bacpy(&ni->bdaddr, &hdev->bdaddr);
@@ -329,6 +333,34 @@ static struct sk_buff *create_monitor_event(struct hci_dev *hdev, int event)
opcode = cpu_to_le16(HCI_MON_DEL_INDEX);
break;
+ case HCI_DEV_UP:
+ skb = bt_skb_alloc(HCI_MON_INDEX_INFO_SIZE, GFP_ATOMIC);
+ if (!skb)
+ return NULL;
+
+ ii = (void *)skb_put(skb, HCI_MON_INDEX_INFO_SIZE);
+ bacpy(&ii->bdaddr, &hdev->bdaddr);
+ ii->manufacturer = cpu_to_le16(hdev->manufacturer);
+
+ opcode = cpu_to_le16(HCI_MON_INDEX_INFO);
+ break;
+
+ case HCI_DEV_OPEN:
+ skb = bt_skb_alloc(0, GFP_ATOMIC);
+ if (!skb)
+ return NULL;
+
+ opcode = cpu_to_le16(HCI_MON_OPEN_INDEX);
+ break;
+
+ case HCI_DEV_CLOSE:
+ skb = bt_skb_alloc(0, GFP_ATOMIC);
+ if (!skb)
+ return NULL;
+
+ opcode = cpu_to_le16(HCI_MON_CLOSE_INDEX);
+ break;
+
default:
return NULL;
}
@@ -358,6 +390,26 @@ static void send_monitor_replay(struct sock *sk)
if (sock_queue_rcv_skb(sk, skb))
kfree_skb(skb);
+
+ if (!test_bit(HCI_RUNNING, &hdev->flags))
+ continue;
+
+ skb = create_monitor_event(hdev, HCI_DEV_OPEN);
+ if (!skb)
+ continue;
+
+ if (sock_queue_rcv_skb(sk, skb))
+ kfree_skb(skb);
+
+ if (!test_bit(HCI_UP, &hdev->flags))
+ continue;
+
+ skb = create_monitor_event(hdev, HCI_DEV_UP);
+ if (!skb)
+ continue;
+
+ if (sock_queue_rcv_skb(sk, skb))
+ kfree_skb(skb);
}
read_unlock(&hci_dev_list_lock);
@@ -392,14 +444,12 @@ static void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data)
void hci_sock_dev_event(struct hci_dev *hdev, int event)
{
- struct hci_ev_si_device ev;
-
BT_DBG("hdev %s event %d", hdev->name, event);
- /* Send event to monitor */
if (atomic_read(&monitor_promisc)) {
struct sk_buff *skb;
+ /* Send event to monitor */
skb = create_monitor_event(hdev, event);
if (skb) {
hci_send_to_channel(HCI_CHANNEL_MONITOR, skb,
@@ -408,10 +458,14 @@ void hci_sock_dev_event(struct hci_dev *hdev, int event)
}
}
- /* Send event to sockets */
- ev.event = event;
- ev.dev_id = hdev->id;
- hci_si_event(NULL, HCI_EV_SI_DEVICE, sizeof(ev), &ev);
+ if (event <= HCI_DEV_DOWN) {
+ struct hci_ev_si_device ev;
+
+ /* Send event to sockets */
+ ev.event = event;
+ ev.dev_id = hdev->id;
+ hci_si_event(NULL, HCI_EV_SI_DEVICE, sizeof(ev), &ev);
+ }
if (event == HCI_DEV_UNREG) {
struct sock *sk;
diff --git a/net/bluetooth/lib.c b/net/bluetooth/lib.c
index 8b4cdce3f62e..aa4cf64e32a6 100644
--- a/net/bluetooth/lib.c
+++ b/net/bluetooth/lib.c
@@ -151,6 +151,22 @@ void bt_info(const char *format, ...)
}
EXPORT_SYMBOL(bt_info);
+void bt_warn(const char *format, ...)
+{
+ struct va_format vaf;
+ va_list args;
+
+ va_start(args, format);
+
+ vaf.fmt = format;
+ vaf.va = &args;
+
+ pr_warn("%pV", &vaf);
+
+ va_end(args);
+}
+EXPORT_SYMBOL(bt_warn);
+
void bt_err(const char *format, ...)
{
struct va_format vaf;