Bluetooth: AMP: Accept Physical Link

When receiving A2MP Create Physical Link message execute HCI
Accept Physical Link command to AMP controller.

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

2 files changed, 20 insertions, 4 deletions

diff --git a/net/bluetooth/a2mp.c b/net/bluetooth/a2mp.c
index 375a67f501d0..dbfdbbb9707c 100644
--- a/net/bluetooth/a2mp.c
+++ b/net/bluetooth/a2mp.c
@@ -453,12 +453,9 @@ static int a2mp_createphyslink_req(struct amp_mgr *mgr, struct sk_buff *skb,
                 goto send_rsp;
         }
 
-        /* TODO process physlink create */
-
         hcon = phylink_add(hdev, mgr, req->local_id);
         if (hcon) {
-                BT_DBG("hcon %p", hcon);
-
+                amp_accept_phylink(hdev, mgr, hcon);
                 rsp.status = A2MP_STATUS_SUCCESS;
         } else {
                 rsp.status = A2MP_STATUS_UNABLE_START_LINK_CREATION;
diff --git a/net/bluetooth/amp.c b/net/bluetooth/amp.c
index 4f7b2647d5e9..845e43073c40 100644
--- a/net/bluetooth/amp.c
+++ b/net/bluetooth/amp.c
@@ -346,3 +346,22 @@ void amp_create_phylink(struct hci_dev *hdev, struct amp_mgr *mgr,
 
         hci_send_cmd(hdev, HCI_OP_CREATE_PHY_LINK, sizeof(cp), &cp);
 }
+
+void amp_accept_phylink(struct hci_dev *hdev, struct amp_mgr *mgr,
+                        struct hci_conn *hcon)
+{
+        struct hci_cp_accept_phy_link cp;
+
+        cp.phy_handle = hcon->handle;
+
+        BT_DBG("%s hcon %p phy handle 0x%2.2x", hdev->name, hcon,
+               hcon->handle);
+
+        if (phylink_gen_key(mgr->l2cap_conn->hcon, cp.key, &cp.key_len,
+                            &cp.key_type)) {
+                BT_DBG("Cannot create link key");
+                return;
+        }
+
+        hci_send_cmd(hdev, HCI_OP_ACCEPT_PHY_LINK, sizeof(cp), &cp);
+}