Release 4.7 include/net/caif/cfcnfg.h

/*
 * 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_ */
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Directory: include/net/caif

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