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-rw-r--r--include/net/bluetooth/hci.h11
-rw-r--r--net/bluetooth/hci_conn.c2
-rw-r--r--net/bluetooth/hci_core.c35
-rw-r--r--net/bluetooth/hci_event.c75
4 files changed, 100 insertions, 23 deletions
diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index f1dc174abc2..efc8c555c18 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -404,6 +404,17 @@ struct hci_rp_write_link_policy {
__le16 handle;
} __attribute__ ((packed));
+#define HCI_OP_READ_DEF_LINK_POLICY 0x080e
+struct hci_rp_read_def_link_policy {
+ __u8 status;
+ __le16 policy;
+} __attribute__ ((packed));
+
+#define HCI_OP_WRITE_DEF_LINK_POLICY 0x080f
+struct hci_cp_write_def_link_policy {
+ __le16 policy;
+} __attribute__ ((packed));
+
#define HCI_OP_SNIFF_SUBRATE 0x0811
struct hci_cp_sniff_subrate {
__le16 handle;
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 69c64ce054f..6175ce841e9 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -65,6 +65,8 @@ void hci_acl_connect(struct hci_conn *conn)
conn->attempt++;
+ conn->link_policy = hdev->link_policy;
+
memset(&cp, 0, sizeof(cp));
bacpy(&cp.bdaddr, &conn->dst);
cp.pscan_rep_mode = 0x02;
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index aec6929f5c1..69b2c1aac08 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -279,10 +279,20 @@ static void hci_encrypt_req(struct hci_dev *hdev, unsigned long opt)
BT_DBG("%s %x", hdev->name, encrypt);
- /* Authentication */
+ /* Encryption */
hci_send_cmd(hdev, HCI_OP_WRITE_ENCRYPT_MODE, 1, &encrypt);
}
+static void hci_linkpol_req(struct hci_dev *hdev, unsigned long opt)
+{
+ __le16 policy = cpu_to_le16(opt);
+
+ BT_DBG("%s %x", hdev->name, opt);
+
+ /* Default link policy */
+ hci_send_cmd(hdev, HCI_OP_WRITE_DEF_LINK_POLICY, 2, &policy);
+}
+
/* Get HCI device by index.
* Device is held on return. */
struct hci_dev *hci_dev_get(int index)
@@ -694,32 +704,35 @@ int hci_dev_cmd(unsigned int cmd, void __user *arg)
msecs_to_jiffies(HCI_INIT_TIMEOUT));
break;
- case HCISETPTYPE:
- hdev->pkt_type = (__u16) dr.dev_opt;
- break;
-
case HCISETLINKPOL:
- hdev->link_policy = (__u16) dr.dev_opt;
+ err = hci_request(hdev, hci_linkpol_req, dr.dev_opt,
+ msecs_to_jiffies(HCI_INIT_TIMEOUT));
break;
case HCISETLINKMODE:
- hdev->link_mode = ((__u16) dr.dev_opt) & (HCI_LM_MASTER | HCI_LM_ACCEPT);
+ hdev->link_mode = ((__u16) dr.dev_opt) &
+ (HCI_LM_MASTER | HCI_LM_ACCEPT);
+ break;
+
+ case HCISETPTYPE:
+ hdev->pkt_type = (__u16) dr.dev_opt;
break;
case HCISETACLMTU:
- hdev->acl_mtu = *((__u16 *)&dr.dev_opt + 1);
- hdev->acl_pkts = *((__u16 *)&dr.dev_opt + 0);
+ hdev->acl_mtu = *((__u16 *) &dr.dev_opt + 1);
+ hdev->acl_pkts = *((__u16 *) &dr.dev_opt + 0);
break;
case HCISETSCOMTU:
- hdev->sco_mtu = *((__u16 *)&dr.dev_opt + 1);
- hdev->sco_pkts = *((__u16 *)&dr.dev_opt + 0);
+ hdev->sco_mtu = *((__u16 *) &dr.dev_opt + 1);
+ hdev->sco_pkts = *((__u16 *) &dr.dev_opt + 0);
break;
default:
err = -EINVAL;
break;
}
+
hci_dev_put(hdev);
return err;
}
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index d4d2dcc40fc..9af181a6165 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -110,6 +110,25 @@ static void hci_cc_role_discovery(struct hci_dev *hdev, struct sk_buff *skb)
hci_dev_unlock(hdev);
}
+static void hci_cc_read_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_rp_read_link_policy *rp = (void *) skb->data;
+ struct hci_conn *conn;
+
+ BT_DBG("%s status 0x%x", hdev->name, rp->status);
+
+ if (rp->status)
+ return;
+
+ hci_dev_lock(hdev);
+
+ conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
+ if (conn)
+ conn->link_policy = __le16_to_cpu(rp->policy);
+
+ hci_dev_unlock(hdev);
+}
+
static void hci_cc_write_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_rp_write_link_policy *rp = (void *) skb->data;
@@ -128,13 +147,41 @@ static void hci_cc_write_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
- if (conn) {
+ if (conn)
conn->link_policy = get_unaligned_le16(sent + 2);
- }
hci_dev_unlock(hdev);
}
+static void hci_cc_read_def_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_rp_read_def_link_policy *rp = (void *) skb->data;
+
+ BT_DBG("%s status 0x%x", hdev->name, rp->status);
+
+ if (rp->status)
+ return;
+
+ hdev->link_policy = __le16_to_cpu(rp->policy);
+}
+
+static void hci_cc_write_def_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ __u8 status = *((__u8 *) skb->data);
+ void *sent;
+
+ BT_DBG("%s status 0x%x", hdev->name, status);
+
+ sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_DEF_LINK_POLICY);
+ if (!sent)
+ return;
+
+ if (!status)
+ hdev->link_policy = get_unaligned_le16(sent);
+
+ hci_req_complete(hdev, status);
+}
+
static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb)
{
__u8 status = *((__u8 *) skb->data);
@@ -347,8 +394,8 @@ static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
return;
hdev->hci_ver = rp->hci_ver;
- hdev->hci_rev = btohs(rp->hci_rev);
- hdev->manufacturer = btohs(rp->manufacturer);
+ hdev->hci_rev = __le16_to_cpu(rp->hci_rev);
+ hdev->manufacturer = __le16_to_cpu(rp->manufacturer);
BT_DBG("%s manufacturer %d hci ver %d:%d", hdev->name,
hdev->manufacturer,
@@ -690,14 +737,6 @@ static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *s
hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES, sizeof(cp), &cp);
}
- /* Set link policy */
- if (conn->type == ACL_LINK && hdev->link_policy) {
- struct hci_cp_write_link_policy cp;
- cp.handle = ev->handle;
- cp.policy = cpu_to_le16(hdev->link_policy);
- hci_send_cmd(hdev, HCI_OP_WRITE_LINK_POLICY, sizeof(cp), &cp);
- }
-
/* Set packet type for incoming connection */
if (!conn->out && hdev->hci_ver < 3) {
struct hci_cp_change_conn_ptype cp;
@@ -974,10 +1013,22 @@ static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *sk
hci_cc_role_discovery(hdev, skb);
break;
+ case HCI_OP_READ_LINK_POLICY:
+ hci_cc_read_link_policy(hdev, skb);
+ break;
+
case HCI_OP_WRITE_LINK_POLICY:
hci_cc_write_link_policy(hdev, skb);
break;
+ case HCI_OP_READ_DEF_LINK_POLICY:
+ hci_cc_read_def_link_policy(hdev, skb);
+ break;
+
+ case HCI_OP_WRITE_DEF_LINK_POLICY:
+ hci_cc_write_def_link_policy(hdev, skb);
+ break;
+
case HCI_OP_RESET:
hci_cc_reset(hdev, skb);
break;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-27 19:13:49 +0000