1 /* 2 * Copyright (C) ST-Ericsson AB 2010 3 * Author: Sjur Brendeland/sjur.brandeland@stericsson.com 4 * License terms: GNU General Public License (GPL) version 2 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_type - Types of physical layers defined in CAIF Stack 18 * 19 * @CFPHYTYPE_FRAG: Fragmented frames physical interface. 20 * @CFPHYTYPE_CAIF: Generic CAIF physical interface 21 */ 22 enum cfcnfg_phy_type { 23 CFPHYTYPE_FRAG = 1, 24 CFPHYTYPE_CAIF, 25 CFPHYTYPE_MAX 26 }; 27 28 /** 29 * enum cfcnfg_phy_preference - Physical preference HW Abstraction 30 * 31 * @CFPHYPREF_UNSPECIFIED: Default physical interface 32 * 33 * @CFPHYPREF_LOW_LAT: Default physical interface for low-latency 34 * traffic 35 * @CFPHYPREF_HIGH_BW: Default physical interface for high-bandwidth 36 * traffic 37 * @CFPHYPREF_LOOP: TEST only Loopback interface simulating modem 38 * responses. 39 * 40 */ 41 enum cfcnfg_phy_preference { 42 CFPHYPREF_UNSPECIFIED, 43 CFPHYPREF_LOW_LAT, 44 CFPHYPREF_HIGH_BW, 45 CFPHYPREF_LOOP 46 }; 47 48 /** 49 * cfcnfg_create() - Get the CAIF configuration object given network. 50 * @net: Network for the CAIF configuration object. 51 */ 52 struct cfcnfg *get_cfcnfg(struct net *net); 53 54 /** 55 * cfcnfg_create() - Create the CAIF configuration object. 56 */ 57 struct cfcnfg *cfcnfg_create(void); 58 59 /** 60 * cfcnfg_remove() - Remove the CFCNFG object 61 * @cfg: config object 62 */ 63 void cfcnfg_remove(struct cfcnfg *cfg); 64 65 /** 66 * cfcnfg_add_phy_layer() - Adds a physical layer to the CAIF stack. 67 * @cnfg: Pointer to a CAIF configuration object, created by 68 * cfcnfg_create(). 69 * @phy_type: Specifies the type of physical interface, e.g. 70 * CFPHYTYPE_FRAG. 71 * @dev: Pointer to link layer device 72 * @phy_layer: Specify the physical layer. The transmit function 73 * MUST be set in the structure. 74 * @pref: The phy (link layer) preference. 75 * @link_support: Protocol implementation for link layer specific protocol. 76 * @fcs: Specify if checksum is used in CAIF Framing Layer. 77 * @head_room: Head space needed by link specific protocol. 78 */ 79 void 80 cfcnfg_add_phy_layer(struct cfcnfg *cnfg, 81 struct net_device *dev, struct cflayer *phy_layer, 82 enum cfcnfg_phy_preference pref, 83 struct cflayer *link_support, 84 bool fcs, int head_room); 85 86 /** 87 * cfcnfg_del_phy_layer - Deletes an phy layer from the CAIF stack. 88 * 89 * @cnfg: Pointer to a CAIF configuration object, created by 90 * cfcnfg_create(). 91 * @phy_layer: Adaptation layer to be removed. 92 */ 93 int cfcnfg_del_phy_layer(struct cfcnfg *cnfg, struct cflayer *phy_layer); 94 95 /** 96 * cfcnfg_set_phy_state() - Set the state of the physical interface device. 97 * @cnfg: Configuration object 98 * @phy_layer: Physical Layer representation 99 * @up: State of device 100 */ 101 int cfcnfg_set_phy_state(struct cfcnfg *cnfg, struct cflayer *phy_layer, 102 bool up); 103 104 #endif /* CFCNFG_H_ */ 105