X-Git-Url: https://git.archive.openwrt.org/?p=project%2Fnetifd.git;a=blobdiff_plain;f=device.h;h=d63ffe3b6ad68da0cca0c4de4947dcdc147d48a9;hp=659bcf1f41c4a6b542759491001edcc33f320565;hb=134775b1f41fa19a816768268b9d0f8dad86bd90;hpb=d64c608820ddb4817ef7dff1f993a5801ff99ca2;ds=sidebyside diff --git a/device.h b/device.h index 659bcf1..d63ffe3 100644 --- a/device.h +++ b/device.h @@ -1,27 +1,43 @@ +/* + * netifd - network interface daemon + * Copyright (C) 2012 Felix Fietkau + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ #ifndef __LL_H #define __LL_H #include +#include #include struct device; +struct device_user; struct device_hotplug_ops; typedef int (*device_state_cb)(struct device *, bool up); enum { DEV_ATTR_TYPE, - DEV_ATTR_NAME, DEV_ATTR_IFNAME, DEV_ATTR_MTU, DEV_ATTR_MACADDR, DEV_ATTR_TXQUEUELEN, + DEV_ATTR_ENABLED, __DEV_ATTR_MAX, }; enum dev_change_type { DEV_CONFIG_NO_CHANGE, DEV_CONFIG_APPLIED, + DEV_CONFIG_RESTART, DEV_CONFIG_RECREATE, }; @@ -29,9 +45,9 @@ struct device_type { struct list_head list; const char *name; - const struct config_param_list *config_params; + const struct uci_blob_param_list *config_params; - struct device *(*create)(struct blob_attr *attr); + struct device *(*create)(const char *name, struct blob_attr *attr); void (*config_init)(struct device *); enum dev_change_type (*reload)(struct device *, struct blob_attr *); void (*dump_info)(struct device *, struct blob_buf *buf); @@ -43,10 +59,51 @@ struct device_type { enum { DEV_OPT_MTU = (1 << 0), DEV_OPT_MACADDR = (1 << 1), - DEV_OPT_TXQUEUELEN = (1 << 2) + DEV_OPT_TXQUEUELEN = (1 << 2), +}; + +/* events broadcasted to all users of a device */ +enum device_event { + DEV_EVENT_ADD, + DEV_EVENT_REMOVE, + + DEV_EVENT_UPDATE_IFNAME, + + DEV_EVENT_SETUP, + DEV_EVENT_TEARDOWN, + DEV_EVENT_UP, + DEV_EVENT_DOWN, + + DEV_EVENT_LINK_UP, + DEV_EVENT_LINK_DOWN, + + __DEV_EVENT_MAX +}; + +/* + * device dependency with callbacks + */ +struct device_user { + struct safe_list list; + + bool claimed; + bool hotplug; + bool alias; + + uint8_t ev_idx[__DEV_EVENT_MAX]; + + struct device *dev; + void (*cb)(struct device_user *, enum device_event); }; -/* +struct device_settings { + unsigned int flags; + unsigned int mtu; + unsigned int txqueuelen; + uint8_t macaddr[6]; +}; + +/* * link layer device. typically represents a linux network device. * can be used to support VLANs as well */ @@ -54,16 +111,23 @@ struct device { const struct device_type *type; struct avl_node avl; - struct list_head users; + struct safe_list users; + struct safe_list aliases; char ifname[IFNAMSIZ + 1]; int ifindex; struct blob_attr *config; bool config_pending; + bool sys_present; bool present; int active; + bool external; + bool disabled; + bool deferred; + bool hidden; + bool current_config; bool default_config; @@ -72,77 +136,73 @@ struct device { const struct device_hotplug_ops *hotplug_ops; - /* settings */ - unsigned int flags; + struct device_user parent; - unsigned int mtu; - unsigned int txqueuelen; - uint8_t macaddr[6]; -}; - -/* events broadcasted to all users of a device */ -enum device_event { - DEV_EVENT_ADD, - DEV_EVENT_REMOVE, - - DEV_EVENT_SETUP, - DEV_EVENT_TEARDOWN, - DEV_EVENT_UP, - DEV_EVENT_DOWN, - - DEV_EVENT_LINK_UP, - DEV_EVENT_LINK_DOWN, -}; - -/* - * device dependency with callbacks - */ -struct device_user { - struct list_head list; - - bool claimed; - struct device *dev; - void (*cb)(struct device_user *, enum device_event); + struct device_settings orig_settings; + struct device_settings settings; }; struct device_hotplug_ops { + int (*prepare)(struct device *dev); int (*add)(struct device *main, struct device *member); int (*del)(struct device *main, struct device *member); }; -extern const struct config_param_list device_attr_list; +extern const struct uci_blob_param_list device_attr_list; extern const struct device_type simple_device_type; extern const struct device_type bridge_device_type; +extern const struct device_type tunnel_device_type; +extern const struct device_type macvlan_device_type; + +void device_lock(void); +void device_unlock(void); struct device *device_create(const char *name, const struct device_type *type, struct blob_attr *config); void device_init_settings(struct device *dev, struct blob_attr **tb); void device_init_pending(void); +enum dev_change_type +device_set_config(struct device *dev, const struct device_type *type, + struct blob_attr *attr); + void device_reset_config(void); void device_reset_old(void); void device_init_virtual(struct device *dev, const struct device_type *type, const char *name); int device_init(struct device *iface, const struct device_type *type, const char *ifname); void device_cleanup(struct device *iface); -struct device *device_get(const char *name, bool create); +struct device *device_get(const char *name, int create); void device_add_user(struct device_user *dep, struct device *iface); void device_remove_user(struct device_user *dep); +void device_broadcast_event(struct device *dev, enum device_event ev); void device_set_present(struct device *dev, bool state); +void device_refresh_present(struct device *dev); int device_claim(struct device_user *dep); void device_release(struct device_user *dep); int device_check_state(struct device *dev); void device_dump_status(struct blob_buf *b, struct device *dev); +void device_free(struct device *dev); +void device_free_unused(struct device *dev); + +struct device *get_vlan_device_chain(const char *ifname, bool create); +void alias_notify_device(const char *name, struct device *dev); +struct device *device_alias_get(const char *name); + static inline void -device_free(struct device *dev) +device_set_deferred(struct device *dev, bool value) { - dev->type->free(dev); + dev->deferred = value; + device_refresh_present(dev); } -void device_free_unused(struct device *dev); - -struct device *get_vlan_device_chain(const char *ifname, bool create); +static inline void +device_set_disabled(struct device *dev, bool value) +{ + dev->disabled = value; + device_refresh_present(dev); +} #endif