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authorDavid S. Miller <davem@davemloft.net>2009-12-03 13:51:02 -0800
committerDavid S. Miller <davem@davemloft.net>2009-12-03 13:51:02 -0800
commita7fca0ccecd3f5a111e08df8439f0b884099ad59 (patch)
tree44b360a8f367e2414daf3ad92622ab2544ac0fbd /net
parent424eff975192553a9ea8bfd51bf65039ffb356ef (diff)
parent2861453b1b5e022fd5e1294b8fbf39254440b661 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/holtmann/bluetooth-next-2.6
Diffstat (limited to 'net')
-rw-r--r--net/bluetooth/bnep/core.c5
-rw-r--r--net/bluetooth/hci_core.c39
-rw-r--r--net/bluetooth/hci_event.c6
-rw-r--r--net/bluetooth/hci_sock.c11
-rw-r--r--net/bluetooth/hidp/core.c9
-rw-r--r--net/bluetooth/l2cap.c110
-rw-r--r--net/bluetooth/rfcomm/core.c6
7 files changed, 149 insertions, 37 deletions
diff --git a/net/bluetooth/bnep/core.c b/net/bluetooth/bnep/core.c
index cafe9f54d84..29b1b220d6c 100644
--- a/net/bluetooth/bnep/core.c
+++ b/net/bluetooth/bnep/core.c
@@ -230,7 +230,6 @@ static int bnep_rx_control(struct bnep_session *s, void *data, int len)
switch (cmd) {
case BNEP_CMD_NOT_UNDERSTOOD:
- case BNEP_SETUP_CONN_REQ:
case BNEP_SETUP_CONN_RSP:
case BNEP_FILTER_NET_TYPE_RSP:
case BNEP_FILTER_MULTI_ADDR_RSP:
@@ -245,6 +244,10 @@ static int bnep_rx_control(struct bnep_session *s, void *data, int len)
err = bnep_ctrl_set_mcfilter(s, data, len);
break;
+ case BNEP_SETUP_CONN_REQ:
+ err = bnep_send_rsp(s, BNEP_SETUP_CONN_RSP, BNEP_CONN_NOT_ALLOWED);
+ break;
+
default: {
u8 pkt[3];
pkt[0] = BNEP_CONTROL;
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index e1da8f68759..94ba3498202 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -193,8 +193,9 @@ static void hci_init_req(struct hci_dev *hdev, unsigned long opt)
while ((skb = skb_dequeue(&hdev->driver_init))) {
bt_cb(skb)->pkt_type = HCI_COMMAND_PKT;
skb->dev = (void *) hdev;
+
skb_queue_tail(&hdev->cmd_q, skb);
- hci_sched_cmd(hdev);
+ tasklet_schedule(&hdev->cmd_task);
}
skb_queue_purge(&hdev->driver_init);
@@ -987,6 +988,30 @@ int hci_resume_dev(struct hci_dev *hdev)
}
EXPORT_SYMBOL(hci_resume_dev);
+/* Receive frame from HCI drivers */
+int hci_recv_frame(struct sk_buff *skb)
+{
+ struct hci_dev *hdev = (struct hci_dev *) skb->dev;
+ if (!hdev || (!test_bit(HCI_UP, &hdev->flags)
+ && !test_bit(HCI_INIT, &hdev->flags))) {
+ kfree_skb(skb);
+ return -ENXIO;
+ }
+
+ /* Incomming skb */
+ bt_cb(skb)->incoming = 1;
+
+ /* Time stamp */
+ __net_timestamp(skb);
+
+ /* Queue frame for rx task */
+ skb_queue_tail(&hdev->rx_q, skb);
+ tasklet_schedule(&hdev->rx_task);
+
+ return 0;
+}
+EXPORT_SYMBOL(hci_recv_frame);
+
/* Receive packet type fragment */
#define __reassembly(hdev, type) ((hdev)->reassembly[(type) - 2])
@@ -1193,8 +1218,9 @@ int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param)
bt_cb(skb)->pkt_type = HCI_COMMAND_PKT;
skb->dev = (void *) hdev;
+
skb_queue_tail(&hdev->cmd_q, skb);
- hci_sched_cmd(hdev);
+ tasklet_schedule(&hdev->cmd_task);
return 0;
}
@@ -1271,7 +1297,8 @@ int hci_send_acl(struct hci_conn *conn, struct sk_buff *skb, __u16 flags)
spin_unlock_bh(&conn->data_q.lock);
}
- hci_sched_tx(hdev);
+ tasklet_schedule(&hdev->tx_task);
+
return 0;
}
EXPORT_SYMBOL(hci_send_acl);
@@ -1298,8 +1325,10 @@ int hci_send_sco(struct hci_conn *conn, struct sk_buff *skb)
skb->dev = (void *) hdev;
bt_cb(skb)->pkt_type = HCI_SCODATA_PKT;
+
skb_queue_tail(&conn->data_q, skb);
- hci_sched_tx(hdev);
+ tasklet_schedule(&hdev->tx_task);
+
return 0;
}
EXPORT_SYMBOL(hci_send_sco);
@@ -1612,7 +1641,7 @@ static void hci_cmd_task(unsigned long arg)
hdev->cmd_last_tx = jiffies;
} else {
skb_queue_head(&hdev->cmd_q, skb);
- hci_sched_cmd(hdev);
+ tasklet_schedule(&hdev->cmd_task);
}
}
}
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index e99fe385fba..28517bad796 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -1320,7 +1320,7 @@ static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *sk
if (ev->ncmd) {
atomic_set(&hdev->cmd_cnt, 1);
if (!skb_queue_empty(&hdev->cmd_q))
- hci_sched_cmd(hdev);
+ tasklet_schedule(&hdev->cmd_task);
}
}
@@ -1386,7 +1386,7 @@ static inline void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
if (ev->ncmd) {
atomic_set(&hdev->cmd_cnt, 1);
if (!skb_queue_empty(&hdev->cmd_q))
- hci_sched_cmd(hdev);
+ tasklet_schedule(&hdev->cmd_task);
}
}
@@ -1454,7 +1454,7 @@ static inline void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *s
}
}
- hci_sched_tx(hdev);
+ tasklet_schedule(&hdev->tx_task);
tasklet_enable(&hdev->tx_task);
}
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index 1ca5c7ca9bd..688cfebfbee 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -414,6 +414,11 @@ static int hci_sock_sendmsg(struct kiocb *iocb, struct socket *sock,
goto done;
}
+ if (!test_bit(HCI_UP, &hdev->flags)) {
+ err = -ENETDOWN;
+ goto done;
+ }
+
if (!(skb = bt_skb_send_alloc(sk, len, msg->msg_flags & MSG_DONTWAIT, &err)))
goto done;
@@ -440,10 +445,10 @@ static int hci_sock_sendmsg(struct kiocb *iocb, struct socket *sock,
if (test_bit(HCI_RAW, &hdev->flags) || (ogf == 0x3f)) {
skb_queue_tail(&hdev->raw_q, skb);
- hci_sched_tx(hdev);
+ tasklet_schedule(&hdev->tx_task);
} else {
skb_queue_tail(&hdev->cmd_q, skb);
- hci_sched_cmd(hdev);
+ tasklet_schedule(&hdev->cmd_task);
}
} else {
if (!capable(CAP_NET_RAW)) {
@@ -452,7 +457,7 @@ static int hci_sock_sendmsg(struct kiocb *iocb, struct socket *sock,
}
skb_queue_tail(&hdev->raw_q, skb);
- hci_sched_tx(hdev);
+ tasklet_schedule(&hdev->tx_task);
}
err = len;
diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
index 49d8495d69b..569750010fd 100644
--- a/net/bluetooth/hidp/core.c
+++ b/net/bluetooth/hidp/core.c
@@ -280,6 +280,13 @@ static int hidp_send_report(struct hidp_session *session, struct hid_report *rep
return hidp_queue_report(session, buf, rsize);
}
+static int hidp_output_raw_report(struct hid_device *hid, unsigned char *data, size_t count)
+{
+ if (hidp_queue_report(hid->driver_data, data, count))
+ return -ENOMEM;
+ return count;
+}
+
static void hidp_idle_timeout(unsigned long arg)
{
struct hidp_session *session = (struct hidp_session *) arg;
@@ -785,6 +792,8 @@ static int hidp_setup_hid(struct hidp_session *session,
hid->dev.parent = hidp_get_device(session);
hid->ll_driver = &hidp_hid_driver;
+ hid->hid_output_raw_report = hidp_output_raw_report;
+
err = hid_add_device(hid);
if (err < 0)
goto failed;
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index 54992f78230..5129b88c8e5 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -54,6 +54,7 @@
#define VERSION "2.14"
static int enable_ertm = 0;
+static int max_transmit = L2CAP_DEFAULT_MAX_TX;
static u32 l2cap_feat_mask = L2CAP_FEAT_FIXED_CHAN;
static u8 l2cap_fixed_chan[8] = { 0x02, };
@@ -373,6 +374,8 @@ static inline int l2cap_send_rr_or_rnr(struct l2cap_pinfo *pi, u16 control)
else
control |= L2CAP_SUPER_RCV_READY;
+ control |= pi->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT;
+
return l2cap_send_sframe(pi, control);
}
@@ -1333,7 +1336,7 @@ static int l2cap_retransmit_frame(struct sock *sk, u8 tx_seq)
tx_skb = skb_clone(skb, GFP_ATOMIC);
bt_cb(skb)->retries++;
control = get_unaligned_le16(tx_skb->data + L2CAP_HDR_SIZE);
- control |= (pi->req_seq << L2CAP_CTRL_REQSEQ_SHIFT)
+ control |= (pi->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT)
| (tx_seq << L2CAP_CTRL_TXSEQ_SHIFT);
put_unaligned_le16(control, tx_skb->data + L2CAP_HDR_SIZE);
@@ -1375,7 +1378,7 @@ static int l2cap_ertm_send(struct sock *sk)
bt_cb(skb)->retries++;
control = get_unaligned_le16(tx_skb->data + L2CAP_HDR_SIZE);
- control |= (pi->req_seq << L2CAP_CTRL_REQSEQ_SHIFT)
+ control |= (pi->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT)
| (pi->next_tx_seq << L2CAP_CTRL_TXSEQ_SHIFT);
put_unaligned_le16(control, tx_skb->data + L2CAP_HDR_SIZE);
@@ -2173,6 +2176,21 @@ static void l2cap_add_conf_opt(void **ptr, u8 type, u8 len, unsigned long val)
*ptr += L2CAP_CONF_OPT_SIZE + len;
}
+static inline void l2cap_ertm_init(struct sock *sk)
+{
+ l2cap_pi(sk)->expected_ack_seq = 0;
+ l2cap_pi(sk)->unacked_frames = 0;
+ l2cap_pi(sk)->buffer_seq = 0;
+ l2cap_pi(sk)->num_to_ack = 0;
+
+ setup_timer(&l2cap_pi(sk)->retrans_timer,
+ l2cap_retrans_timeout, (unsigned long) sk);
+ setup_timer(&l2cap_pi(sk)->monitor_timer,
+ l2cap_monitor_timeout, (unsigned long) sk);
+
+ __skb_queue_head_init(SREJ_QUEUE(sk));
+}
+
static int l2cap_mode_supported(__u8 mode, __u32 feat_mask)
{
u32 local_feat_mask = l2cap_feat_mask;
@@ -2236,7 +2254,7 @@ done:
case L2CAP_MODE_ERTM:
rfc.mode = L2CAP_MODE_ERTM;
rfc.txwin_size = L2CAP_DEFAULT_TX_WINDOW;
- rfc.max_transmit = L2CAP_DEFAULT_MAX_TX;
+ rfc.max_transmit = max_transmit;
rfc.retrans_timeout = 0;
rfc.monitor_timeout = 0;
rfc.max_pdu_size = cpu_to_le16(L2CAP_DEFAULT_MAX_PDU_SIZE);
@@ -2761,17 +2779,13 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr
l2cap_pi(sk)->fcs = L2CAP_FCS_CRC16;
sk->sk_state = BT_CONNECTED;
- l2cap_pi(sk)->next_tx_seq = 0;
- l2cap_pi(sk)->expected_ack_seq = 0;
- l2cap_pi(sk)->unacked_frames = 0;
-
- setup_timer(&l2cap_pi(sk)->retrans_timer,
- l2cap_retrans_timeout, (unsigned long) sk);
- setup_timer(&l2cap_pi(sk)->monitor_timer,
- l2cap_monitor_timeout, (unsigned long) sk);
+ l2cap_pi(sk)->next_tx_seq = 0;
+ l2cap_pi(sk)->expected_tx_seq = 0;
__skb_queue_head_init(TX_QUEUE(sk));
- __skb_queue_head_init(SREJ_QUEUE(sk));
+ if (l2cap_pi(sk)->mode == L2CAP_MODE_ERTM)
+ l2cap_ertm_init(sk);
+
l2cap_chan_ready(sk);
goto unlock;
}
@@ -2850,11 +2864,12 @@ static inline int l2cap_config_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr
l2cap_pi(sk)->fcs = L2CAP_FCS_CRC16;
sk->sk_state = BT_CONNECTED;
+ l2cap_pi(sk)->next_tx_seq = 0;
l2cap_pi(sk)->expected_tx_seq = 0;
- l2cap_pi(sk)->buffer_seq = 0;
- l2cap_pi(sk)->num_to_ack = 0;
__skb_queue_head_init(TX_QUEUE(sk));
- __skb_queue_head_init(SREJ_QUEUE(sk));
+ if (l2cap_pi(sk)->mode == L2CAP_MODE_ERTM)
+ l2cap_ertm_init(sk);
+
l2cap_chan_ready(sk);
}
@@ -2886,9 +2901,12 @@ static inline int l2cap_disconnect_req(struct l2cap_conn *conn, struct l2cap_cmd
sk->sk_shutdown = SHUTDOWN_MASK;
skb_queue_purge(TX_QUEUE(sk));
- skb_queue_purge(SREJ_QUEUE(sk));
- del_timer(&l2cap_pi(sk)->retrans_timer);
- del_timer(&l2cap_pi(sk)->monitor_timer);
+
+ if (l2cap_pi(sk)->mode == L2CAP_MODE_ERTM) {
+ skb_queue_purge(SREJ_QUEUE(sk));
+ del_timer(&l2cap_pi(sk)->retrans_timer);
+ del_timer(&l2cap_pi(sk)->monitor_timer);
+ }
l2cap_chan_del(sk, ECONNRESET);
bh_unlock_sock(sk);
@@ -2913,9 +2931,12 @@ static inline int l2cap_disconnect_rsp(struct l2cap_conn *conn, struct l2cap_cmd
return 0;
skb_queue_purge(TX_QUEUE(sk));
- skb_queue_purge(SREJ_QUEUE(sk));
- del_timer(&l2cap_pi(sk)->retrans_timer);
- del_timer(&l2cap_pi(sk)->monitor_timer);
+
+ if (l2cap_pi(sk)->mode == L2CAP_MODE_ERTM) {
+ skb_queue_purge(SREJ_QUEUE(sk));
+ del_timer(&l2cap_pi(sk)->retrans_timer);
+ del_timer(&l2cap_pi(sk)->monitor_timer);
+ }
l2cap_chan_del(sk, 0);
bh_unlock_sock(sk);
@@ -3280,12 +3301,16 @@ static inline int l2cap_data_channel_iframe(struct sock *sk, u16 rx_control, str
{
struct l2cap_pinfo *pi = l2cap_pi(sk);
u8 tx_seq = __get_txseq(rx_control);
+ u8 req_seq = __get_reqseq(rx_control);
u16 tx_control = 0;
u8 sar = rx_control >> L2CAP_CTRL_SAR_SHIFT;
int err = 0;
BT_DBG("sk %p rx_control 0x%4.4x len %d", sk, rx_control, skb->len);
+ pi->expected_ack_seq = req_seq;
+ l2cap_drop_acked_frames(sk);
+
if (tx_seq == pi->expected_tx_seq)
goto expected;
@@ -3340,6 +3365,16 @@ expected:
return 0;
}
+ if (rx_control & L2CAP_CTRL_FINAL) {
+ if (pi->conn_state & L2CAP_CONN_REJ_ACT)
+ pi->conn_state &= ~L2CAP_CONN_REJ_ACT;
+ else {
+ sk->sk_send_head = TX_QUEUE(sk)->next;
+ pi->next_tx_seq = pi->expected_ack_seq;
+ l2cap_ertm_send(sk);
+ }
+ }
+
pi->buffer_seq = (pi->buffer_seq + 1) % 64;
err = l2cap_sar_reassembly_sdu(sk, skb, rx_control);
@@ -3376,6 +3411,14 @@ static inline int l2cap_data_channel_sframe(struct sock *sk, u16 rx_control, str
pi->expected_ack_seq = tx_seq;
l2cap_drop_acked_frames(sk);
+ if (pi->conn_state & L2CAP_CONN_REJ_ACT)
+ pi->conn_state &= ~L2CAP_CONN_REJ_ACT;
+ else {
+ sk->sk_send_head = TX_QUEUE(sk)->next;
+ pi->next_tx_seq = pi->expected_ack_seq;
+ l2cap_ertm_send(sk);
+ }
+
if (!(pi->conn_state & L2CAP_CONN_WAIT_F))
break;
@@ -3403,10 +3446,24 @@ static inline int l2cap_data_channel_sframe(struct sock *sk, u16 rx_control, str
pi->expected_ack_seq = __get_reqseq(rx_control);
l2cap_drop_acked_frames(sk);
- sk->sk_send_head = TX_QUEUE(sk)->next;
- pi->next_tx_seq = pi->expected_ack_seq;
+ if (rx_control & L2CAP_CTRL_FINAL) {
+ if (pi->conn_state & L2CAP_CONN_REJ_ACT)
+ pi->conn_state &= ~L2CAP_CONN_REJ_ACT;
+ else {
+ sk->sk_send_head = TX_QUEUE(sk)->next;
+ pi->next_tx_seq = pi->expected_ack_seq;
+ l2cap_ertm_send(sk);
+ }
+ } else {
+ sk->sk_send_head = TX_QUEUE(sk)->next;
+ pi->next_tx_seq = pi->expected_ack_seq;
+ l2cap_ertm_send(sk);
- l2cap_ertm_send(sk);
+ if (pi->conn_state & L2CAP_CONN_WAIT_F) {
+ pi->srej_save_reqseq = tx_seq;
+ pi->conn_state |= L2CAP_CONN_REJ_ACT;
+ }
+ }
break;
@@ -3425,7 +3482,7 @@ static inline int l2cap_data_channel_sframe(struct sock *sk, u16 rx_control, str
} else if (rx_control & L2CAP_CTRL_FINAL) {
if ((pi->conn_state & L2CAP_CONN_SREJ_ACT) &&
pi->srej_save_reqseq == tx_seq)
- pi->srej_save_reqseq &= ~L2CAP_CONN_SREJ_ACT;
+ pi->conn_state &= ~L2CAP_CONN_SREJ_ACT;
else
l2cap_retransmit_frame(sk, tx_seq);
}
@@ -4004,6 +4061,9 @@ module_exit(l2cap_exit);
module_param(enable_ertm, bool, 0644);
MODULE_PARM_DESC(enable_ertm, "Enable enhanced retransmission mode");
+module_param(max_transmit, uint, 0644);
+MODULE_PARM_DESC(max_transmit, "Max transmit value (default = 3)");
+
MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
MODULE_DESCRIPTION("Bluetooth L2CAP ver " VERSION);
MODULE_VERSION(VERSION);
diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c
index 25692bc0a34..fc5ee3296e2 100644
--- a/net/bluetooth/rfcomm/core.c
+++ b/net/bluetooth/rfcomm/core.c
@@ -51,6 +51,7 @@
static int disable_cfc = 0;
static int channel_mtu = -1;
static unsigned int l2cap_mtu = RFCOMM_MAX_L2CAP_MTU;
+static int l2cap_ertm = 0;
static struct task_struct *rfcomm_thread;
@@ -702,6 +703,8 @@ static struct rfcomm_session *rfcomm_session_create(bdaddr_t *src, bdaddr_t *dst
sk = sock->sk;
lock_sock(sk);
l2cap_pi(sk)->imtu = l2cap_mtu;
+ if (l2cap_ertm)
+ l2cap_pi(sk)->mode = L2CAP_MODE_ERTM;
release_sock(sk);
s = rfcomm_session_add(sock, BT_BOUND);
@@ -2185,6 +2188,9 @@ MODULE_PARM_DESC(channel_mtu, "Default MTU for the RFCOMM channel");
module_param(l2cap_mtu, uint, 0644);
MODULE_PARM_DESC(l2cap_mtu, "Default MTU for the L2CAP connection");
+module_param(l2cap_ertm, bool, 0644);
+MODULE_PARM_DESC(l2cap_ertm, "Use L2CAP ERTM mode for connection");
+
MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
MODULE_DESCRIPTION("Bluetooth RFCOMM ver " VERSION);
MODULE_VERSION(VERSION);