1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Copyright (C) ST-Ericsson AB 2010 4 * Author: Sjur Brendeland 5 */ 6 7 #ifndef CFCNFG_H_ 8 #define CFCNFG_H_ 9 #include <linux/spinlock.h> 10 #include <linux/netdevice.h> 11 #include <net/caif/caif_layer.h> 12 #include <net/caif/cfctrl.h> 13 14 struct cfcnfg; 15 16 /** 17 * enum cfcnfg_phy_preference - Physical preference HW Abstraction 18 * 19 * @CFPHYPREF_UNSPECIFIED: Default physical interface 20 * 21 * @CFPHYPREF_LOW_LAT: Default physical interface for low-latency 22 * traffic 23 * @CFPHYPREF_HIGH_BW: Default physical interface for high-bandwidth 24 * traffic 25 * @CFPHYPREF_LOOP: TEST only Loopback interface simulating modem 26 * responses. 27 * 28 */ 29 enum cfcnfg_phy_preference { 30 CFPHYPREF_UNSPECIFIED, 31 CFPHYPREF_LOW_LAT, 32 CFPHYPREF_HIGH_BW, 33 CFPHYPREF_LOOP 34 }; 35 36 /** 37 * cfcnfg_create() - Get the CAIF configuration object given network. 38 * @net: Network for the CAIF configuration object. 39 */ 40 struct cfcnfg *get_cfcnfg(struct net *net); 41 42 /** 43 * cfcnfg_create() - Create the CAIF configuration object. 44 */ 45 struct cfcnfg *cfcnfg_create(void); 46 47 /** 48 * cfcnfg_remove() - Remove the CFCNFG object 49 * @cfg: config object 50 */ 51 void cfcnfg_remove(struct cfcnfg *cfg); 52 53 /** 54 * cfcnfg_add_phy_layer() - Adds a physical layer to the CAIF stack. 55 * @cnfg: Pointer to a CAIF configuration object, created by 56 * cfcnfg_create(). 57 * @dev: Pointer to link layer device 58 * @phy_layer: Specify the physical layer. The transmit function 59 * MUST be set in the structure. 60 * @pref: The phy (link layer) preference. 61 * @link_support: Protocol implementation for link layer specific protocol. 62 * @fcs: Specify if checksum is used in CAIF Framing Layer. 63 * @head_room: Head space needed by link specific protocol. 64 */ 65 void 66 cfcnfg_add_phy_layer(struct cfcnfg *cnfg, 67 struct net_device *dev, struct cflayer *phy_layer, 68 enum cfcnfg_phy_preference pref, 69 struct cflayer *link_support, 70 bool fcs, int head_room); 71 72 /** 73 * cfcnfg_del_phy_layer - Deletes an phy layer from the CAIF stack. 74 * 75 * @cnfg: Pointer to a CAIF configuration object, created by 76 * cfcnfg_create(). 77 * @phy_layer: Adaptation layer to be removed. 78 */ 79 int cfcnfg_del_phy_layer(struct cfcnfg *cnfg, struct cflayer *phy_layer); 80 81 /** 82 * cfcnfg_set_phy_state() - Set the state of the physical interface device. 83 * @cnfg: Configuration object 84 * @phy_layer: Physical Layer representation 85 * @up: State of device 86 */ 87 int cfcnfg_set_phy_state(struct cfcnfg *cnfg, struct cflayer *phy_layer, 88 bool up); 89 90 #endif /* CFCNFG_H_ */ 91