| 1 | /* |
| 2 | * arch/ubicom32/mach-common/switch-core.h |
| 3 | * Private data for the switch module |
| 4 | * |
| 5 | * (C) Copyright 2009, Ubicom, Inc. |
| 6 | * |
| 7 | * This file is part of the Ubicom32 Linux Kernel Port. |
| 8 | * |
| 9 | * The Ubicom32 Linux Kernel Port is free software: you can redistribute |
| 10 | * it and/or modify it under the terms of the GNU General Public License |
| 11 | * as published by the Free Software Foundation, either version 2 of the |
| 12 | * License, or (at your option) any later version. |
| 13 | * |
| 14 | * The Ubicom32 Linux Kernel Port is distributed in the hope that it |
| 15 | * will be useful, but WITHOUT ANY WARRANTY; without even the implied |
| 16 | * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See |
| 17 | * the GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with the Ubicom32 Linux Kernel Port. If not, |
| 21 | * see <http://www.gnu.org/licenses/>. |
| 22 | * |
| 23 | * Ubicom32 implementation derived from (with many thanks): |
| 24 | * arch/m68knommu |
| 25 | * arch/blackfin |
| 26 | * arch/parisc |
| 27 | */ |
| 28 | #ifndef _SWITCH_CORE_H_ |
| 29 | #define _SWITCH_CORE_H_ |
| 30 | |
| 31 | struct switch_handler_entry; |
| 32 | struct switch_vlan_entry; |
| 33 | |
| 34 | #define SWITCH_PORT_MASK_SIZE 2 |
| 35 | |
| 36 | struct switch_device { |
| 37 | struct list_head node; |
| 38 | |
| 39 | const char *name; |
| 40 | void *drvdata; |
| 41 | |
| 42 | u8_t ports; |
| 43 | |
| 44 | struct proc_dir_entry *driver_dir; |
| 45 | const struct switch_handler *driver_handlers; |
| 46 | |
| 47 | struct proc_dir_entry *port_dir; |
| 48 | struct proc_dir_entry **port_dirs; |
| 49 | const struct switch_handler *port_handlers; |
| 50 | |
| 51 | struct proc_dir_entry *reg_dir; |
| 52 | const struct switch_handler *reg_handlers; |
| 53 | |
| 54 | struct proc_dir_entry *vlan_dir; |
| 55 | const struct switch_handler *vlan_handlers; |
| 56 | struct list_head vlan_dirs; |
| 57 | |
| 58 | struct list_head handlers; |
| 59 | |
| 60 | u32_t port_mask[SWITCH_PORT_MASK_SIZE]; |
| 61 | }; |
| 62 | |
| 63 | typedef int (*switch_handler_fn)(struct switch_device *, char *buf, int nr); |
| 64 | struct switch_handler { |
| 65 | const char *name; |
| 66 | |
| 67 | switch_handler_fn read; |
| 68 | switch_handler_fn write; |
| 69 | }; |
| 70 | |
| 71 | #define SWITCH_MAX_BUFSZ 4096 |
| 72 | |
| 73 | static inline void switch_set_drvdata(struct switch_device *switch_dev, void *drvdata) |
| 74 | { |
| 75 | switch_dev->drvdata = drvdata; |
| 76 | } |
| 77 | |
| 78 | static inline void *switch_get_drvdata(struct switch_device *switch_dev) |
| 79 | { |
| 80 | return switch_dev->drvdata; |
| 81 | } |
| 82 | |
| 83 | extern int switch_create_vlan_dir(struct switch_device *switch_dev, int vlan_id, const struct switch_handler *handlers); |
| 84 | extern int switch_remove_vlan_dir(struct switch_device *switch_dev, int vlan_id); |
| 85 | extern void switch_parse_vlan_ports(struct switch_device *switch_dev, char *buf, u32_t *untag, u32_t *ports, u32_t *def); |
| 86 | |
| 87 | extern void switch_release(struct switch_device *switch_dev); |
| 88 | extern struct switch_device *switch_alloc(void); |
| 89 | extern int switch_register(struct switch_device *switch_dev); |
| 90 | extern void switch_unregister(struct switch_device *switch_dev); |
| 91 | |
| 92 | #endif |
| 93 | |
