| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) ST-Ericsson AB 2010 |
| 3 | * Author: Sjur Brendeland |
| 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_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_ */ |