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Diffstat (limited to 'net/bluetooth/sco.c')
-rw-r--r--net/bluetooth/sco.c78
1 files changed, 70 insertions, 8 deletions
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index febc83a5c22..3b52e4729be 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -177,7 +177,7 @@ static int sco_connect(struct sock *sk)
{
bdaddr_t *src = &bt_sk(sk)->src;
bdaddr_t *dst = &bt_sk(sk)->dst;
- __u16 pkt_type = sco_pi(sk)->pkt_type;
+ struct bt_sco_parameters *param = &sco_pi(sk)->param;
struct sco_conn *conn;
struct hci_conn *hcon;
struct hci_dev *hdev;
@@ -193,17 +193,18 @@ static int sco_connect(struct sock *sk)
if (lmp_esco_capable(hdev) && !disable_esco)
type = ESCO_LINK;
- else {
+ else
type = SCO_LINK;
- pkt_type &= SCO_ESCO_MASK;
- }
- hcon = hci_connect(hdev, type, pkt_type, dst, BT_SECURITY_LOW, HCI_AT_NO_BONDING);
+ hcon = hci_connect(hdev, type, dst,
+ BT_SECURITY_LOW, HCI_AT_NO_BONDING, param);
if (IS_ERR(hcon)) {
err = PTR_ERR(hcon);
goto done;
}
+ hcon->no_autoretry = sco_pi(sk)->no_autoretry;
+
conn = sco_conn_add(hcon, 0);
if (!conn) {
hci_conn_put(hcon);
@@ -404,10 +405,24 @@ static void sco_sock_close(struct sock *sk)
static void sco_sock_init(struct sock *sk, struct sock *parent)
{
+ struct sco_pinfo *pi = sco_pi(sk);
+
BT_DBG("sk %p", sk);
if (parent)
sk->sk_type = parent->sk_type;
+
+ pi->param.tx_bandwidth = 8000;
+ pi->param.rx_bandwidth = 8000;
+ pi->param.max_latency = HCI_SYNC_MAX_LATENCY_DONTCARE;
+
+ /* Only Air Coding Format matters here, other data will be
+ * overriden by device settings during connection setup.
+ */
+ pi->param.voice_setting = HCI_SYNC_AIR_CODING_CVSD;
+
+ pi->param.retrans_effort = HCI_SYNC_RETRANS_EFFORT_DONTCARE;
+ pi->param.pkt_type = ALL_ESCO_MASK;
}
static struct proto sco_proto = {
@@ -493,7 +508,6 @@ static int sco_sock_bind(struct socket *sock, struct sockaddr *addr, int alen)
} else {
/* Save source address */
bacpy(&bt_sk(sk)->src, &sa.sco_bdaddr);
- sco_pi(sk)->pkt_type = sa.sco_pkt_type;
sk->sk_state = BT_BOUND;
}
@@ -533,7 +547,6 @@ static int sco_sock_connect(struct socket *sock, struct sockaddr *addr, int alen
/* Set destination address and psm */
bacpy(&bt_sk(sk)->dst, &sa.sco_bdaddr);
- sco_pi(sk)->pkt_type = sa.sco_pkt_type;
err = sco_connect(sk);
if (err)
@@ -640,7 +653,6 @@ static int sco_sock_getname(struct socket *sock, struct sockaddr *addr, int *len
bacpy(&sa->sco_bdaddr, &bt_sk(sk)->dst);
else
bacpy(&sa->sco_bdaddr, &bt_sk(sk)->src);
- sa->sco_pkt_type = sco_pi(sk)->pkt_type;
return 0;
}
@@ -674,13 +686,45 @@ static int sco_sock_sendmsg(struct kiocb *iocb, struct socket *sock,
static int sco_sock_setsockopt(struct socket *sock, int level, int optname, char __user *optval, unsigned int optlen)
{
struct sock *sk = sock->sk;
+ int len;
int err = 0;
+ struct bt_sco_parameters *param;
+ u32 opt;
BT_DBG("sk %p", sk);
+ if (level != SOL_BLUETOOTH)
+ return -ENOPROTOOPT;
+
lock_sock(sk);
switch (optname) {
+ case BT_SCO_PARAMETERS:
+ /* We do not support changing SCO parameters during
+ * connection.
+ */
+ if (sk->sk_state != BT_OPEN && sk->sk_state != BT_BOUND) {
+ err = -EBUSY;
+ break;
+ }
+
+ param = &sco_pi(sk)->param;
+
+ len = min_t(unsigned int, sizeof(*param), optlen);
+ if (copy_from_user((char *) param, optval, len))
+ err = -EFAULT;
+
+ break;
+
+ case BT_NO_AUTORETRY:
+ if (get_user(opt, (u32 __user *) optval)) {
+ err = -EFAULT;
+ break;
+ }
+
+ sco_pi(sk)->no_autoretry = opt;
+ break;
+
default:
err = -ENOPROTOOPT;
break;
@@ -750,18 +794,36 @@ static int sco_sock_getsockopt(struct socket *sock, int level, int optname, char
{
struct sock *sk = sock->sk;
int len, err = 0;
+ struct bt_sco_parameters *params;
BT_DBG("sk %p", sk);
if (level == SOL_SCO)
return sco_sock_getsockopt_old(sock, optname, optval, optlen);
+ if (level != SOL_BLUETOOTH)
+ return -ENOPROTOOPT;
+
if (get_user(len, optlen))
return -EFAULT;
lock_sock(sk);
switch (optname) {
+ case BT_SCO_PARAMETERS:
+ params = &sco_pi(sk)->param;
+
+ len = min_t(unsigned int, len, sizeof(*params));
+ if (copy_to_user(optval, (char *) params, len))
+ err = -EFAULT;
+
+ break;
+
+ case BT_NO_AUTORETRY:
+ if (put_user(sco_pi(sk)->no_autoretry, (u32 __user *) optval))
+ err = -EFAULT;
+ break;
+
default:
err = -ENOPROTOOPT;
break;