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