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usr
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src
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linux-headers-5.4.0-212
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include
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net
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caif
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Filename :
cfcnfg.h
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/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) ST-Ericsson AB 2010 * Author: Sjur Brendeland */ #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. */ int 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_ */