Bluetooth: AMP: Physical link struct and helpers

Define physical link structures. Physical links are represented by
hci_conn structure. For BR/EDR we use type ACL_LINK and for AMP
we use AMP_LINK.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>

diff --git a/include/net/bluetooth/amp.h b/include/net/bluetooth/amp.h
index e861675..3414dfd 100644 (file)
--- a/include/net/bluetooth/amp.h
+++ b/include/net/bluetooth/amp.h
@@ -14,6 +14,9 @@
 #ifndef __AMP_H
 #define __AMP_H
 
+struct hci_conn *phylink_add(struct hci_dev *hdev, struct amp_mgr *mgr,
+                            u8 remote_id);
+
 void amp_read_loc_info(struct hci_dev *hdev, struct amp_mgr *mgr);
 void amp_read_loc_assoc_frag(struct hci_dev *hdev, u8 phy_handle);
 void amp_read_loc_assoc(struct hci_dev *hdev, struct amp_mgr *mgr);

diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index ccc08e5..77b6a19 100644 (file)
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -207,6 +207,7 @@ enum {
 #define ESCO_LINK      0x02
 /* Low Energy links do not have defined link type. Use invented one */
 #define LE_LINK                0x80
+#define AMP_LINK       0x81
 
 /* LMP features */
 #define LMP_3SLOT      0x01

diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index b1c7d06..464eae3 100644 (file)
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -318,6 +318,7 @@ struct hci_conn {
 
        __u8            remote_cap;
        __u8            remote_auth;
+       __u8            remote_id;
        bool            flush_key;
 
        unsigned int    sent;

diff --git a/net/bluetooth/amp.c b/net/bluetooth/amp.c
index 2d4e79e..50a7b2f 100644 (file)
--- a/net/bluetooth/amp.c
+++ b/net/bluetooth/amp.c
@@ -17,6 +17,35 @@
 #include <net/bluetooth/a2mp.h>
 #include <net/bluetooth/amp.h>
 
+/* Physical Link interface */
+static u8 __next_handle(struct amp_mgr *mgr)
+{
+       if (++mgr->handle == 0)
+               mgr->handle = 1;
+
+       return mgr->handle;
+}
+
+struct hci_conn *phylink_add(struct hci_dev *hdev, struct amp_mgr *mgr,
+                            u8 remote_id)
+{
+       bdaddr_t *dst = mgr->l2cap_conn->dst;
+       struct hci_conn *hcon;
+
+       hcon = hci_conn_add(hdev, AMP_LINK, dst);
+       if (!hcon)
+               return NULL;
+
+       hcon->state = BT_CONNECT;
+       hcon->out = true;
+       hcon->attempt++;
+       hcon->handle = __next_handle(mgr);
+       hcon->remote_id = remote_id;
+       hcon->amp_mgr = mgr;
+
+       return hcon;
+}
+
 void amp_read_loc_assoc_frag(struct hci_dev *hdev, u8 phy_handle)
 {
        struct hci_cp_read_local_amp_assoc cp;