Mbed OS Reference | wifi_emac.h Source File

 /* Copyright (c) 2017 ARM Limited
  * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
 
 #ifndef WIFI_EMAC_H_
 #define WIFI_EMAC_H_
 
 #include "EMAC.h"
 #include "cb_wlan_target_data.h"
 #include "cb_wlan.h"
 
 class OdinWiFiEMAC : public EMAC {
 public:
     OdinWiFiEMAC();
 
     static OdinWiFiEMAC &get_instance();
 
     /**
      * Return maximum transmission unit
      *
      * @return     MTU in bytes
      */
     virtual uint32_t get_mtu_size() const;
 
     /**
      * Return interface name
      *
      * @param name Pointer to where the name should be written
      * @param size Maximum number of character to copy
      */
     virtual void get_ifname(char *name, uint8_t size) const;
 
     /**
      * Returns size of the underlying interface HW address size.
      *
      * @return     HW address size in bytes
      */
     virtual uint8_t get_hwaddr_size() const;
 
     /**
      * Return interface-supplied HW address
      *
      * Copies HW address to provided memory, @param addr has to be of correct size see @a get_hwaddr_size
      *
      * HW address need not be provided if this interface does not have its own HW
      * address configuration; stack will choose address from central system
      * configuration if the function returns false and does not write to addr.
      *
      * @param addr HW address for underlying interface
      * @return     true if HW address is available
      */
     virtual bool get_hwaddr(uint8_t *addr) const;
 
     /**
      * Set HW address for interface
      *
      * Provided address has to be of correct size, see @a get_hwaddr_size
      *
      * Called to set the MAC address to actually use - if @a get_hwaddr is provided
      * the stack would normally use that, but it could be overridden, eg for test
      * purposes.
      *
      * @param addr Address to be set
      */
     virtual void set_hwaddr(const uint8_t *addr);
 
     /**
      * Sends the packet over the link
      *
      * That can not be called from an interrupt context.
      *
      * @param buf  Packet to be send
      * @return     True if the packet was send successfully, False otherwise
      */
     virtual bool link_out(emac_mem_buf_t *buf);
 
     /**
      * Initializes the HW
      *
      * @return True on success, False in case of an error.
      */
     virtual bool power_up();
 
     /**
      * Deinitializes the HW
      *
      */
     virtual void power_down();
 
     /**
      * Sets a callback that needs to be called for packets received for that interface
      *
      * @param input_cb Function to be register as a callback
      */
     virtual void set_link_input_cb(emac_link_input_cb_t input_cb);
 
     /**
      * Sets a callback that needs to be called on link status changes for given interface
      *
      * @param state_cb Function to be register as a callback
      */
     virtual void set_link_state_cb(emac_link_state_change_cb_t state_cb);
 
     /** Sets memory manager that is used to handle memory buffers
      *
      * @param mem_mngr Pointer to memory manager
      */
     virtual void set_memory_manager(EMACMemoryManager &mem_mngr);
 
     virtual uint32_t get_align_preference() const;
     virtual void add_multicast_group(const uint8_t *address);
     virtual void remove_multicast_group(const uint8_t *address);
     virtual void set_all_multicast(bool all);
 
 private:
 
     emac_link_input_cb_t emac_link_input_cb; /**< Callback for incoming data */
     emac_link_state_change_cb_t emac_link_state_cb; /**< Link state change callback */
     EMACMemoryManager *memory_manager;
 
     friend cb_boolean handleWlanTargetCopyFromDataFrame(uint8_t* buffer, cbWLANTARGET_dataFrame* frame, uint32_t size, uint32_t offsetInFrame);
     friend cb_boolean handleWlanTargetCopyToDataFrame(cbWLANTARGET_dataFrame* frame, uint8_t* buffer, uint32_t size, uint32_t offsetInFrame);
     friend cbWLANTARGET_dataFrame* handleWlanTargetAllocDataFrame(uint32_t size);
     friend void handleWlanTargetFreeDataFrame(cbWLANTARGET_dataFrame* frame);
     friend cb_uint32 handleWlanTargetGetDataFrameSize(cbWLANTARGET_dataFrame* frame);
 
     friend void handleWlanStatusIndication(void *dummy, cbWLAN_StatusIndicationInfo status, void *data);
     friend void handleWlanPacketIndication(void *dummy, cbWLAN_PacketIndicationInfo *packetInfo);
     friend void send_wlan_packet(void *buf);
 };
 
 #endif /* WIFI_EMAC_H_ */
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