Merge "Fix how LE connection parameters are set after connecting" (e140ec32) · Commits · e / os / android_packages_modules_Bluetooth

system/stack/btm/btm_acl.cc

+40 −1

Original line number	Diff line number	Diff line
		@@ -886,6 +886,43 @@ void BTM_SetDefaultLinkPolicy (uint16_t settings)
		btsnd_hcic_write_def_policy_set(settings);
		}


		void btm_use_preferred_conn_params(BD_ADDR bda) {
		tL2C_LCB *p_lcb = l2cu_find_lcb_by_bd_addr (bda, BT_TRANSPORT_LE);
		tBTM_SEC_DEV_REC *p_dev_rec = btm_find_or_alloc_dev (bda);

		/* If there are any preferred connection parameters, set them now */
		if ( (p_dev_rec->conn_params.min_conn_int >= BTM_BLE_CONN_INT_MIN ) &&
		(p_dev_rec->conn_params.min_conn_int <= BTM_BLE_CONN_INT_MAX ) &&
		(p_dev_rec->conn_params.max_conn_int >= BTM_BLE_CONN_INT_MIN ) &&
		(p_dev_rec->conn_params.max_conn_int <= BTM_BLE_CONN_INT_MAX ) &&
		(p_dev_rec->conn_params.slave_latency <= BTM_BLE_CONN_LATENCY_MAX ) &&
		(p_dev_rec->conn_params.supervision_tout >= BTM_BLE_CONN_SUP_TOUT_MIN) &&
		(p_dev_rec->conn_params.supervision_tout <= BTM_BLE_CONN_SUP_TOUT_MAX) &&
		((p_lcb->min_interval < p_dev_rec->conn_params.min_conn_int &&
		p_dev_rec->conn_params.min_conn_int != BTM_BLE_CONN_PARAM_UNDEF) \|\|
		(p_lcb->min_interval > p_dev_rec->conn_params.max_conn_int) \|\|
		(p_lcb->latency > p_dev_rec->conn_params.slave_latency) \|\|
		(p_lcb->timeout > p_dev_rec->conn_params.supervision_tout)))
		{
		BTM_TRACE_DEBUG ("%s: HANDLE=%d min_conn_int=%d max_conn_int=%d slave_latency=%d supervision_tout=%d", __func__,
		p_lcb->handle, p_dev_rec->conn_params.min_conn_int, p_dev_rec->conn_params.max_conn_int,
		p_dev_rec->conn_params.slave_latency, p_dev_rec->conn_params.supervision_tout);

		p_lcb->min_interval = p_dev_rec->conn_params.min_conn_int;
		p_lcb->max_interval = p_dev_rec->conn_params.max_conn_int;
		p_lcb->timeout = p_dev_rec->conn_params.supervision_tout;
		p_lcb->latency = p_dev_rec->conn_params.slave_latency;

		btsnd_hcic_ble_upd_ll_conn_params (p_lcb->handle,
		p_dev_rec->conn_params.min_conn_int,
		p_dev_rec->conn_params.max_conn_int,
		p_dev_rec->conn_params.slave_latency,
		p_dev_rec->conn_params.supervision_tout,
		0, 0);
		}
		}

		/*******************************************************************************
		**
		** Function btm_read_remote_version_complete
		@@ -920,8 +957,10 @@ void btm_read_remote_version_complete (uint8_t *p)
		}

		#if (BLE_INCLUDED == TRUE)
		if (p_acl_cb->transport == BT_TRANSPORT_LE)
		if (p_acl_cb->transport == BT_TRANSPORT_LE) {
		l2cble_notify_le_connection (p_acl_cb->remote_addr);
		btm_use_preferred_conn_params(p_acl_cb->remote_addr);
		}
		#endif // (defined(BLE_INCLUDED) && (BLE_INCLUDED == true))
		break;
		}

system/stack/l2cap/l2c_ble.cc

+0 −38

Original line number	Diff line number	Diff line
		@@ -231,42 +231,6 @@ uint16_t L2CA_GetDisconnectReason (BD_ADDR remote_bda, tBT_TRANSPORT transport)
		return reason;
		}

		void l2cble_use_preferred_conn_params(BD_ADDR bda) {
		tL2C_LCB *p_lcb = l2cu_find_lcb_by_bd_addr (bda, BT_TRANSPORT_LE);
		tBTM_SEC_DEV_REC *p_dev_rec = btm_find_or_alloc_dev (bda);

		/* If there are any preferred connection parameters, set them now */
		if ( (p_dev_rec->conn_params.min_conn_int >= BTM_BLE_CONN_INT_MIN ) &&
		(p_dev_rec->conn_params.min_conn_int <= BTM_BLE_CONN_INT_MAX ) &&
		(p_dev_rec->conn_params.max_conn_int >= BTM_BLE_CONN_INT_MIN ) &&
		(p_dev_rec->conn_params.max_conn_int <= BTM_BLE_CONN_INT_MAX ) &&
		(p_dev_rec->conn_params.slave_latency <= BTM_BLE_CONN_LATENCY_MAX ) &&
		(p_dev_rec->conn_params.supervision_tout >= BTM_BLE_CONN_SUP_TOUT_MIN) &&
		(p_dev_rec->conn_params.supervision_tout <= BTM_BLE_CONN_SUP_TOUT_MAX) &&
		((p_lcb->min_interval < p_dev_rec->conn_params.min_conn_int &&
		p_dev_rec->conn_params.min_conn_int != BTM_BLE_CONN_PARAM_UNDEF) \|\|
		(p_lcb->min_interval > p_dev_rec->conn_params.max_conn_int) \|\|
		(p_lcb->latency > p_dev_rec->conn_params.slave_latency) \|\|
		(p_lcb->timeout > p_dev_rec->conn_params.supervision_tout)))
		{
		L2CAP_TRACE_DEBUG ("%s: HANDLE=%d min_conn_int=%d max_conn_int=%d slave_latency=%d supervision_tout=%d", __func__,
		p_lcb->handle, p_dev_rec->conn_params.min_conn_int, p_dev_rec->conn_params.max_conn_int,
		p_dev_rec->conn_params.slave_latency, p_dev_rec->conn_params.supervision_tout);

		p_lcb->min_interval = p_dev_rec->conn_params.min_conn_int;
		p_lcb->max_interval = p_dev_rec->conn_params.max_conn_int;
		p_lcb->timeout = p_dev_rec->conn_params.supervision_tout;
		p_lcb->latency = p_dev_rec->conn_params.slave_latency;

		btsnd_hcic_ble_upd_ll_conn_params (p_lcb->handle,
		p_dev_rec->conn_params.min_conn_int,
		p_dev_rec->conn_params.max_conn_int,
		p_dev_rec->conn_params.slave_latency,
		p_dev_rec->conn_params.supervision_tout,
		0, 0);
		}
		}

		/*******************************************************************************
		**
		** Function l2cble_notify_le_connection
		@@ -299,8 +263,6 @@ void l2cble_notify_le_connection (BD_ADDR bda)
		l2c_csm_execute (p_ccb, L2CEVT_LP_CONNECT_CFM, NULL);
		}
		}

		l2cble_use_preferred_conn_params(bda);
		}

		/*******************************************************************************