/*
   * Copyright (C) ST-Ericsson AB 2010
   * Author:	Sjur Brendeland
   * License terms: GNU General Public License (GPL) version 2
   */
  
  #ifndef CFCNFG_H_
  #define CFCNFG_H_
  #include <linux/spinlock.h>
  #include <linux/netdevice.h>
  #include <net/caif/caif_layer.h>
  #include <net/caif/cfctrl.h>
  
  struct cfcnfg;
  
  /**
   * enum cfcnfg_phy_preference - Physical preference HW Abstraction
   *
   * @CFPHYPREF_UNSPECIFIED:	Default physical interface
   *
   * @CFPHYPREF_LOW_LAT:		Default physical interface for low-latency
   *				traffic
   * @CFPHYPREF_HIGH_BW:		Default physical interface for high-bandwidth
   *				traffic
   * @CFPHYPREF_LOOP:		TEST only Loopback interface simulating modem
   *				responses.
   *
   */
  enum cfcnfg_phy_preference {
  	CFPHYPREF_UNSPECIFIED,
  	CFPHYPREF_LOW_LAT,
  	CFPHYPREF_HIGH_BW,
  	CFPHYPREF_LOOP
  };
  
  /**
   * cfcnfg_create() - Get the CAIF configuration object given network.
   * @net:	Network for the CAIF configuration object.
   */
  struct cfcnfg *get_cfcnfg(struct net *net);
  
  /**
   * cfcnfg_create() - Create the CAIF configuration object.
   */
  struct cfcnfg *cfcnfg_create(void);
  
  /**
   * cfcnfg_remove() -  Remove the CFCNFG object
   * @cfg: config object
   */
  void cfcnfg_remove(struct cfcnfg *cfg);
  
  /**
   * cfcnfg_add_phy_layer() - Adds a physical layer to the CAIF stack.
   * @cnfg:	Pointer to a CAIF configuration object, created by
   *		cfcnfg_create().
   * @dev:	Pointer to link layer device
   * @phy_layer:	Specify the physical layer. The transmit function
   *		MUST be set in the structure.
   * @pref:	The phy (link layer) preference.
   * @link_support: Protocol implementation for link layer specific protocol.
   * @fcs:	Specify if checksum is used in CAIF Framing Layer.
   * @head_room:	Head space needed by link specific protocol.
   */
  void
  cfcnfg_add_phy_layer(struct cfcnfg *cnfg,
  		     struct net_device *dev, struct cflayer *phy_layer,
  		     enum cfcnfg_phy_preference pref,
  		     struct cflayer *link_support,
  		     bool fcs, int head_room);
  
  /**
   * cfcnfg_del_phy_layer - Deletes an phy layer from the CAIF stack.
   *
   * @cnfg:	Pointer to a CAIF configuration object, created by
   *		cfcnfg_create().
   * @phy_layer:	Adaptation layer to be removed.
   */
  int cfcnfg_del_phy_layer(struct cfcnfg *cnfg, struct cflayer *phy_layer);
  
  /**
   * cfcnfg_set_phy_state() - Set the state of the physical interface device.
   * @cnfg:	Configuration object
   * @phy_layer:	Physical Layer representation
   * @up:	State of device
   */
  int cfcnfg_set_phy_state(struct cfcnfg *cnfg, struct cflayer *phy_layer,
  				bool up);
  
  #endif				/* CFCNFG_H_ */