#include <crypto/hash.h>
/* Remote AMP Controllers interface */
-static void amp_ctrl_get(struct amp_ctrl *ctrl)
+void amp_ctrl_get(struct amp_ctrl *ctrl)
{
BT_DBG("ctrl %p orig refcnt %d", ctrl,
atomic_read(&ctrl->kref.refcount));
return kref_put(&ctrl->kref, &_ctrl_destroy);
}
-struct amp_ctrl *amp_ctrl_add(struct amp_mgr *mgr)
+struct amp_ctrl *amp_ctrl_add(struct amp_mgr *mgr, u8 id)
{
struct amp_ctrl *ctrl;
if (!ctrl)
return NULL;
+ kref_init(&ctrl->kref);
+ ctrl->id = id;
+
mutex_lock(&mgr->amp_ctrls_lock);
list_add(&ctrl->list, &mgr->amp_ctrls);
mutex_unlock(&mgr->amp_ctrls_lock);
- kref_init(&ctrl->kref);
-
BT_DBG("mgr %p ctrl %p", mgr, ctrl);
return ctrl;
}
struct hci_conn *phylink_add(struct hci_dev *hdev, struct amp_mgr *mgr,
- u8 remote_id)
+ u8 remote_id, bool out)
{
bdaddr_t *dst = mgr->l2cap_conn->dst;
struct hci_conn *hcon;
if (!hcon)
return NULL;
+ BT_DBG("hcon %p dst %pMR", hcon, dst);
+
hcon->state = BT_CONNECT;
- hcon->out = true;
hcon->attempt++;
hcon->handle = __next_handle(mgr);
hcon->remote_id = remote_id;
- hcon->amp_mgr = mgr;
+ hcon->amp_mgr = amp_mgr_get(mgr);
+ hcon->out = out;
return hcon;
}
*len = HCI_AMP_LINK_KEY_SIZE;
key = hci_find_link_key(hdev, &conn->dst);
+ if (!key) {
+ BT_DBG("No Link key for conn %p dst %pMR", conn, &conn->dst);
+ return -EACCES;
+ }
/* BR/EDR Link Key concatenated together with itself */
memcpy(&keybuf[0], key->val, HCI_LINK_KEY_SIZE);
hci_send_cmd(hdev, HCI_OP_ACCEPT_PHY_LINK, sizeof(cp), &cp);
}
+
+void amp_physical_cfm(struct hci_conn *bredr_hcon, struct hci_conn *hs_hcon)
+{
+ struct hci_dev *bredr_hdev = hci_dev_hold(bredr_hcon->hdev);
+ struct amp_mgr *mgr = hs_hcon->amp_mgr;
+ struct l2cap_chan *bredr_chan;
+
+ BT_DBG("bredr_hcon %p hs_hcon %p mgr %p", bredr_hcon, hs_hcon, mgr);
+
+ if (!bredr_hdev || !mgr || !mgr->bredr_chan)
+ return;
+
+ bredr_chan = mgr->bredr_chan;
+
+ l2cap_chan_lock(bredr_chan);
+
+ set_bit(FLAG_EFS_ENABLE, &bredr_chan->flags);
+ bredr_chan->remote_amp_id = hs_hcon->remote_id;
+ bredr_chan->local_amp_id = hs_hcon->hdev->id;
+ bredr_chan->hs_hcon = hs_hcon;
+ bredr_chan->conn->mtu = hs_hcon->hdev->block_mtu;
+
+ __l2cap_physical_cfm(bredr_chan, 0);
+
+ l2cap_chan_unlock(bredr_chan);
+
+ hci_dev_put(bredr_hdev);
+}
+
+void amp_create_logical_link(struct l2cap_chan *chan)
+{
+ struct hci_cp_create_accept_logical_link cp;
+ struct hci_conn *hcon;
+ struct hci_dev *hdev;
+
+ BT_DBG("chan %p", chan);
+
+ if (!chan->hs_hcon)
+ return;
+
+ hdev = hci_dev_hold(chan->hs_hcon->hdev);
+ if (!hdev)
+ return;
+
+ BT_DBG("chan %p dst %pMR", chan, chan->conn->dst);
+
+ hcon = hci_conn_hash_lookup_ba(hdev, AMP_LINK, chan->conn->dst);
+ if (!hcon)
+ goto done;
+
+ cp.phy_handle = hcon->handle;
+
+ cp.tx_flow_spec.id = chan->local_id;
+ cp.tx_flow_spec.stype = chan->local_stype;
+ cp.tx_flow_spec.msdu = cpu_to_le16(chan->local_msdu);
+ cp.tx_flow_spec.sdu_itime = cpu_to_le32(chan->local_sdu_itime);
+ cp.tx_flow_spec.acc_lat = cpu_to_le32(chan->local_acc_lat);
+ cp.tx_flow_spec.flush_to = cpu_to_le32(chan->local_flush_to);
+
+ cp.rx_flow_spec.id = chan->remote_id;
+ cp.rx_flow_spec.stype = chan->remote_stype;
+ cp.rx_flow_spec.msdu = cpu_to_le16(chan->remote_msdu);
+ cp.rx_flow_spec.sdu_itime = cpu_to_le32(chan->remote_sdu_itime);
+ cp.rx_flow_spec.acc_lat = cpu_to_le32(chan->remote_acc_lat);
+ cp.rx_flow_spec.flush_to = cpu_to_le32(chan->remote_flush_to);
+
+ if (hcon->out)
+ hci_send_cmd(hdev, HCI_OP_CREATE_LOGICAL_LINK, sizeof(cp),
+ &cp);
+ else
+ hci_send_cmd(hdev, HCI_OP_ACCEPT_LOGICAL_LINK, sizeof(cp),
+ &cp);
+
+done:
+ hci_dev_put(hdev);
+}
+
+void amp_disconnect_logical_link(struct hci_chan *hchan)
+{
+ struct hci_conn *hcon = hchan->conn;
+ struct hci_cp_disconn_logical_link cp;
+
+ if (hcon->state != BT_CONNECTED) {
+ BT_DBG("hchan %p not connected", hchan);
+ return;
+ }
+
+ cp.log_handle = cpu_to_le16(hchan->handle);
+ hci_send_cmd(hcon->hdev, HCI_OP_DISCONN_LOGICAL_LINK, sizeof(cp), &cp);
+}
+
+void amp_destroy_logical_link(struct hci_chan *hchan, u8 reason)
+{
+ BT_DBG("hchan %p", hchan);
+
+ hci_chan_del(hchan);
+}