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Diffstat (limited to 'net/bluetooth/hci_conn.c')
-rw-r--r--net/bluetooth/hci_conn.c88
1 files changed, 77 insertions, 11 deletions
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 3163330cd4f..ea7f031f3b0 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -53,11 +53,13 @@ static void hci_le_connect(struct hci_conn *conn)
conn->state = BT_CONNECT;
conn->out = 1;
conn->link_mode |= HCI_LM_MASTER;
+ conn->sec_level = BT_SECURITY_LOW;
memset(&cp, 0, sizeof(cp));
cp.scan_interval = cpu_to_le16(0x0004);
cp.scan_window = cpu_to_le16(0x0004);
bacpy(&cp.peer_addr, &conn->dst);
+ cp.peer_addr_type = conn->dst_type;
cp.conn_interval_min = cpu_to_le16(0x0008);
cp.conn_interval_max = cpu_to_le16(0x0100);
cp.supervision_timeout = cpu_to_le16(0x0064);
@@ -203,6 +205,55 @@ void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max,
}
EXPORT_SYMBOL(hci_le_conn_update);
+void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8],
+ __u8 ltk[16])
+{
+ struct hci_dev *hdev = conn->hdev;
+ struct hci_cp_le_start_enc cp;
+
+ BT_DBG("%p", conn);
+
+ memset(&cp, 0, sizeof(cp));
+
+ cp.handle = cpu_to_le16(conn->handle);
+ memcpy(cp.ltk, ltk, sizeof(cp.ltk));
+ cp.ediv = ediv;
+ memcpy(cp.rand, rand, sizeof(rand));
+
+ hci_send_cmd(hdev, HCI_OP_LE_START_ENC, sizeof(cp), &cp);
+}
+EXPORT_SYMBOL(hci_le_start_enc);
+
+void hci_le_ltk_reply(struct hci_conn *conn, u8 ltk[16])
+{
+ struct hci_dev *hdev = conn->hdev;
+ struct hci_cp_le_ltk_reply cp;
+
+ BT_DBG("%p", conn);
+
+ memset(&cp, 0, sizeof(cp));
+
+ cp.handle = cpu_to_le16(conn->handle);
+ memcpy(cp.ltk, ltk, sizeof(ltk));
+
+ hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);
+}
+EXPORT_SYMBOL(hci_le_ltk_reply);
+
+void hci_le_ltk_neg_reply(struct hci_conn *conn)
+{
+ struct hci_dev *hdev = conn->hdev;
+ struct hci_cp_le_ltk_neg_reply cp;
+
+ BT_DBG("%p", conn);
+
+ memset(&cp, 0, sizeof(cp));
+
+ cp.handle = cpu_to_le16(conn->handle);
+
+ hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(cp), &cp);
+}
+
/* Device _must_ be locked */
void hci_sco_setup(struct hci_conn *conn, __u8 status)
{
@@ -393,6 +444,9 @@ int hci_conn_del(struct hci_conn *conn)
hci_dev_put(hdev);
+ if (conn->handle == 0)
+ kfree(conn);
+
return 0;
}
@@ -447,14 +501,23 @@ struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, __u8
BT_DBG("%s dst %s", hdev->name, batostr(dst));
if (type == LE_LINK) {
+ struct adv_entry *entry;
+
le = hci_conn_hash_lookup_ba(hdev, LE_LINK, dst);
if (le)
return ERR_PTR(-EBUSY);
+
+ entry = hci_find_adv_entry(hdev, dst);
+ if (!entry)
+ return ERR_PTR(-EHOSTUNREACH);
+
le = hci_conn_add(hdev, LE_LINK, dst);
if (!le)
return ERR_PTR(-ENOMEM);
- if (le->state == BT_OPEN)
- hci_le_connect(le);
+
+ le->dst_type = entry->bdaddr_type;
+
+ hci_le_connect(le);
hci_conn_hold(le);
@@ -497,7 +560,7 @@ struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, __u8
if (acl->state == BT_CONNECTED &&
(sco->state == BT_OPEN || sco->state == BT_CLOSED)) {
acl->power_save = 1;
- hci_conn_enter_active_mode(acl);
+ hci_conn_enter_active_mode(acl, BT_POWER_FORCE_ACTIVE_ON);
if (test_bit(HCI_CONN_MODE_CHANGE_PEND, &acl->pend)) {
/* defer SCO setup until mode change completed */
@@ -548,6 +611,8 @@ static int hci_conn_auth(struct hci_conn *conn, __u8 sec_level, __u8 auth_type)
cp.handle = cpu_to_le16(conn->handle);
hci_send_cmd(conn->hdev, HCI_OP_AUTH_REQUESTED,
sizeof(cp), &cp);
+ if (conn->key_type != 0xff)
+ set_bit(HCI_CONN_REAUTH_PEND, &conn->pend);
}
return 0;
@@ -608,11 +673,11 @@ int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type)
goto encrypt;
auth:
- if (test_and_set_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
+ if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
return 0;
- hci_conn_auth(conn, sec_level, auth_type);
- return 0;
+ if (!hci_conn_auth(conn, sec_level, auth_type))
+ return 0;
encrypt:
if (conn->link_mode & HCI_LM_ENCRYPT)
@@ -631,9 +696,7 @@ int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level)
if (sec_level != BT_SECURITY_HIGH)
return 1; /* Accept if non-secure is required */
- if (conn->key_type == HCI_LK_AUTH_COMBINATION ||
- (conn->key_type == HCI_LK_COMBINATION &&
- conn->pin_length == 16))
+ if (conn->sec_level == BT_SECURITY_HIGH)
return 1;
return 0; /* Reject not secure link */
@@ -676,7 +739,7 @@ int hci_conn_switch_role(struct hci_conn *conn, __u8 role)
EXPORT_SYMBOL(hci_conn_switch_role);
/* Enter active mode */
-void hci_conn_enter_active_mode(struct hci_conn *conn)
+void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active)
{
struct hci_dev *hdev = conn->hdev;
@@ -685,7 +748,10 @@ void hci_conn_enter_active_mode(struct hci_conn *conn)
if (test_bit(HCI_RAW, &hdev->flags))
return;
- if (conn->mode != HCI_CM_SNIFF || !conn->power_save)
+ if (conn->mode != HCI_CM_SNIFF)
+ goto timer;
+
+ if (!conn->power_save && !force_active)
goto timer;
if (!test_and_set_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend)) {