| 1 | /* |
| 2 | * switch.h: Switch configuration API |
| 3 | * |
| 4 | * Copyright (C) 2008 Felix Fietkau <nbd@openwrt.org> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU General Public License |
| 8 | * as published by the Free Software Foundation; either version 2 |
| 9 | * of the License, or (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | */ |
| 16 | #ifndef _LINUX_SWITCH_H |
| 17 | #define _LINUX_SWITCH_H |
| 18 | |
| 19 | #include <net/genetlink.h> |
| 20 | #include <uapi/linux/switch.h> |
| 21 | |
| 22 | struct switch_dev; |
| 23 | struct switch_op; |
| 24 | struct switch_val; |
| 25 | struct switch_attr; |
| 26 | struct switch_attrlist; |
| 27 | struct switch_led_trigger; |
| 28 | |
| 29 | int register_switch(struct switch_dev *dev, struct net_device *netdev); |
| 30 | void unregister_switch(struct switch_dev *dev); |
| 31 | |
| 32 | /** |
| 33 | * struct switch_attrlist - attribute list |
| 34 | * |
| 35 | * @n_attr: number of attributes |
| 36 | * @attr: pointer to the attributes array |
| 37 | */ |
| 38 | struct switch_attrlist { |
| 39 | int n_attr; |
| 40 | const struct switch_attr *attr; |
| 41 | }; |
| 42 | |
| 43 | enum switch_port_speed { |
| 44 | SWITCH_PORT_SPEED_UNKNOWN = 0, |
| 45 | SWITCH_PORT_SPEED_10 = 10, |
| 46 | SWITCH_PORT_SPEED_100 = 100, |
| 47 | SWITCH_PORT_SPEED_1000 = 1000, |
| 48 | }; |
| 49 | |
| 50 | struct switch_port_link { |
| 51 | bool link; |
| 52 | bool duplex; |
| 53 | bool aneg; |
| 54 | bool tx_flow; |
| 55 | bool rx_flow; |
| 56 | enum switch_port_speed speed; |
| 57 | }; |
| 58 | |
| 59 | struct switch_port_stats { |
| 60 | unsigned long tx_bytes; |
| 61 | unsigned long rx_bytes; |
| 62 | }; |
| 63 | |
| 64 | /** |
| 65 | * struct switch_dev_ops - switch driver operations |
| 66 | * |
| 67 | * @attr_global: global switch attribute list |
| 68 | * @attr_port: port attribute list |
| 69 | * @attr_vlan: vlan attribute list |
| 70 | * |
| 71 | * Callbacks: |
| 72 | * |
| 73 | * @get_vlan_ports: read the port list of a VLAN |
| 74 | * @set_vlan_ports: set the port list of a VLAN |
| 75 | * |
| 76 | * @get_port_pvid: get the primary VLAN ID of a port |
| 77 | * @set_port_pvid: set the primary VLAN ID of a port |
| 78 | * |
| 79 | * @apply_config: apply all changed settings to the switch |
| 80 | * @reset_switch: resetting the switch |
| 81 | */ |
| 82 | struct switch_dev_ops { |
| 83 | struct switch_attrlist attr_global, attr_port, attr_vlan; |
| 84 | |
| 85 | int (*get_vlan_ports)(struct switch_dev *dev, struct switch_val *val); |
| 86 | int (*set_vlan_ports)(struct switch_dev *dev, struct switch_val *val); |
| 87 | |
| 88 | int (*get_port_pvid)(struct switch_dev *dev, int port, int *val); |
| 89 | int (*set_port_pvid)(struct switch_dev *dev, int port, int val); |
| 90 | |
| 91 | int (*apply_config)(struct switch_dev *dev); |
| 92 | int (*reset_switch)(struct switch_dev *dev); |
| 93 | |
| 94 | int (*get_port_link)(struct switch_dev *dev, int port, |
| 95 | struct switch_port_link *link); |
| 96 | int (*get_port_stats)(struct switch_dev *dev, int port, |
| 97 | struct switch_port_stats *stats); |
| 98 | }; |
| 99 | |
| 100 | struct switch_dev { |
| 101 | const struct switch_dev_ops *ops; |
| 102 | /* will be automatically filled */ |
| 103 | char devname[IFNAMSIZ]; |
| 104 | |
| 105 | const char *name; |
| 106 | /* NB: either alias or netdev must be set */ |
| 107 | const char *alias; |
| 108 | struct net_device *netdev; |
| 109 | |
| 110 | int ports; |
| 111 | int vlans; |
| 112 | int cpu_port; |
| 113 | |
| 114 | /* the following fields are internal for swconfig */ |
| 115 | int id; |
| 116 | struct list_head dev_list; |
| 117 | unsigned long def_global, def_port, def_vlan; |
| 118 | |
| 119 | struct mutex sw_mutex; |
| 120 | struct switch_port *portbuf; |
| 121 | |
| 122 | char buf[128]; |
| 123 | |
| 124 | #ifdef CONFIG_SWCONFIG_LEDS |
| 125 | struct switch_led_trigger *led_trigger; |
| 126 | #endif |
| 127 | }; |
| 128 | |
| 129 | struct switch_port { |
| 130 | u32 id; |
| 131 | u32 flags; |
| 132 | }; |
| 133 | |
| 134 | struct switch_val { |
| 135 | const struct switch_attr *attr; |
| 136 | int port_vlan; |
| 137 | int len; |
| 138 | union { |
| 139 | const char *s; |
| 140 | u32 i; |
| 141 | struct switch_port *ports; |
| 142 | } value; |
| 143 | }; |
| 144 | |
| 145 | struct switch_attr { |
| 146 | int disabled; |
| 147 | int type; |
| 148 | const char *name; |
| 149 | const char *description; |
| 150 | |
| 151 | int (*set)(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val); |
| 152 | int (*get)(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val); |
| 153 | |
| 154 | /* for driver internal use */ |
| 155 | int id; |
| 156 | int ofs; |
| 157 | int max; |
| 158 | }; |
| 159 | |
| 160 | #endif /* _LINUX_SWITCH_H */ |
| 161 | |
