Bluetooth: Make HCI call directly into SCO and L2CAP event functions

The struct hci_proto and all related register/unregister and dispatching
code was removed. HCI core code now call directly the SCO and L2CAP
event functions.

Signed-off-by: Ulisses Furquim <ulisses@profusion.mobi>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

1 files changed, 7 insertions, 44 deletions

diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index a898285e3ea6..173218345a10 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -4413,14 +4413,11 @@ static void l2cap_recv_frame(struct l2cap_conn *conn, struct sk_buff *skb)
 
 /* ---- L2CAP interface with lower layer (HCI) ---- */
 
-static int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type)
+int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr)
 {
         int exact = 0, lm1 = 0, lm2 = 0;
         struct l2cap_chan *c;
 
-        if (type != ACL_LINK)
-                return -EINVAL;
-
         BT_DBG("hdev %s, bdaddr %s", hdev->name, batostr(bdaddr));
 
         /* Find listening sockets and check their link_mode */
@@ -4447,15 +4444,12 @@ static int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type)
         return exact ? lm1 : lm2;
 }
 
-static int l2cap_connect_cfm(struct hci_conn *hcon, u8 status)
+int l2cap_connect_cfm(struct hci_conn *hcon, u8 status)
 {
         struct l2cap_conn *conn;
 
         BT_DBG("hcon %p bdaddr %s status %d", hcon, batostr(&hcon->dst), status);
 
-        if (!(hcon->type == ACL_LINK || hcon->type == LE_LINK))
-                return -EINVAL;
-
         if (!status) {
                 conn = l2cap_conn_add(hcon, status);
                 if (conn)
@@ -4466,27 +4460,22 @@ static int l2cap_connect_cfm(struct hci_conn *hcon, u8 status)
         return 0;
 }
 
-static int l2cap_disconn_ind(struct hci_conn *hcon)
+int l2cap_disconn_ind(struct hci_conn *hcon)
 {
         struct l2cap_conn *conn = hcon->l2cap_data;
 
         BT_DBG("hcon %p", hcon);
 
-        if ((hcon->type != ACL_LINK && hcon->type != LE_LINK) || !conn)
+        if (!conn)
                 return HCI_ERROR_REMOTE_USER_TERM;
-
         return conn->disc_reason;
 }
 
-static int l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason)
+int l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason)
 {
         BT_DBG("hcon %p reason %d", hcon, reason);
 
-        if (!(hcon->type == ACL_LINK || hcon->type == LE_LINK))
-                return -EINVAL;
-
         l2cap_conn_del(hcon, bt_to_errno(reason));
-
         return 0;
 }
 
@@ -4507,7 +4496,7 @@ static inline void l2cap_check_encryption(struct l2cap_chan *chan, u8 encrypt)
         }
 }
 
-static int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt)
+int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt)
 {
         struct l2cap_conn *conn = hcon->l2cap_data;
         struct l2cap_chan *chan;
@@ -4607,7 +4596,7 @@ static int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt)
         return 0;
 }
 
-static int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags)
+int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags)
 {
         struct l2cap_conn *conn = hcon->l2cap_data;
 
@@ -4754,17 +4743,6 @@ static const struct file_operations l2cap_debugfs_fops = {
 
 static struct dentry *l2cap_debugfs;
 
-static struct hci_proto l2cap_hci_proto = {
-        .name           = "L2CAP",
-        .id             = HCI_PROTO_L2CAP,
-        .connect_ind    = l2cap_connect_ind,
-        .connect_cfm    = l2cap_connect_cfm,
-        .disconn_ind    = l2cap_disconn_ind,
-        .disconn_cfm    = l2cap_disconn_cfm,
-        .security_cfm   = l2cap_security_cfm,
-        .recv_acldata   = l2cap_recv_acldata
-};
-
 int __init l2cap_init(void)
 {
         int err;
@@ -4773,13 +4751,6 @@ int __init l2cap_init(void)
         if (err < 0)
                 return err;
 
-        err = hci_register_proto(&l2cap_hci_proto);
-        if (err < 0) {
-                BT_ERR("L2CAP protocol registration failed");
-                bt_sock_unregister(BTPROTO_L2CAP);
-                goto error;
-        }
-
         if (bt_debugfs) {
                 l2cap_debugfs = debugfs_create_file("l2cap", 0444,
                                         bt_debugfs, NULL, &l2cap_debugfs_fops);
@@ -4788,19 +4759,11 @@ int __init l2cap_init(void)
         }
 
         return 0;
-
-error:
-        l2cap_cleanup_sockets();
-        return err;
 }
 
 void l2cap_exit(void)
 {
         debugfs_remove(l2cap_debugfs);
-
-        if (hci_unregister_proto(&l2cap_hci_proto) < 0)
-                BT_ERR("L2CAP protocol unregistration failed");
-
         l2cap_cleanup_sockets();
 }