X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fnetifd.git;a=blobdiff_plain;f=device.h;h=adf72c5e1632f18edd61ac0bd7650864a5588c0b;hp=3d233d7a6abae50717f4c4baa142c0be7e9dcb70;hb=9af0e57ce2c76db2ce49ea9fbfb5766da6000ec6;hpb=d16871c7a55370174eb672edee24feade74cd37e diff --git a/device.h b/device.h index 3d233d7..adf72c5 100644 --- a/device.h +++ b/device.h @@ -1,10 +1,25 @@ -#ifndef __LL_H -#define __LL_H +/* + * 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 __NETIFD_DEVICE_H +#define __NETIFD_DEVICE_H #include +#include #include struct device; +struct device_user; struct device_hotplug_ops; typedef int (*device_state_cb)(struct device *, bool up); @@ -15,12 +30,16 @@ enum { DEV_ATTR_MTU, DEV_ATTR_MACADDR, DEV_ATTR_TXQUEUELEN, + DEV_ATTR_ENABLED, + DEV_ATTR_IPV6, + DEV_ATTR_PROMISC, __DEV_ATTR_MAX, }; enum dev_change_type { DEV_CONFIG_NO_CHANGE, DEV_CONFIG_APPLIED, + DEV_CONFIG_RESTART, DEV_CONFIG_RECREATE, }; @@ -28,7 +47,9 @@ struct device_type { struct list_head list; const char *name; - const struct config_param_list *config_params; + bool keep_link_status; + + const struct uci_blob_param_list *config_params; struct device *(*create)(const char *name, struct blob_attr *attr); void (*config_init)(struct device *); @@ -42,10 +63,59 @@ struct device_type { enum { DEV_OPT_MTU = (1 << 0), DEV_OPT_MACADDR = (1 << 1), - DEV_OPT_TXQUEUELEN = (1 << 2) + DEV_OPT_TXQUEUELEN = (1 << 2), + DEV_OPT_IPV6 = (1 << 3), + DEV_OPT_PROMISC = (1 << 4), +}; + +/* events broadcasted to all users of a device */ +enum device_event { + DEV_EVENT_ADD, + DEV_EVENT_REMOVE, + + DEV_EVENT_UPDATE_IFNAME, + DEV_EVENT_UPDATE_IFINDEX, + + DEV_EVENT_SETUP, + DEV_EVENT_TEARDOWN, + DEV_EVENT_UP, + DEV_EVENT_DOWN, + + DEV_EVENT_LINK_UP, + DEV_EVENT_LINK_DOWN, + + /* Topology changed (i.e. bridge member added) */ + DEV_EVENT_TOPO_CHANGE, + + __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]; + bool ipv6; + bool promisc; }; -/* +/* * link layer device. typically represents a linux network device. * can be used to support VLANs as well */ @@ -53,67 +123,51 @@ 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 link_active; + + bool external; + bool disabled; + bool deferred; + bool hidden; bool current_config; bool default_config; + bool wireless; /* set interface up or down */ device_state_cb set_state; const struct device_hotplug_ops *hotplug_ops; - /* settings */ - unsigned int flags; - - 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; - bool hotplug; + struct device_user parent; - 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; +extern const struct device_type vlandev_device_type; void device_lock(void); void device_unlock(void); @@ -133,25 +187,39 @@ 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_set_link(struct device *dev, bool state); +void device_set_ifindex(struct device *dev, int ifindex); +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); -static inline void -device_free(struct device *dev) -{ - dev->type->free(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_set_deferred(struct device *dev, bool value) +{ + dev->deferred = value; + device_refresh_present(dev); +} + +static inline void +device_set_disabled(struct device *dev, bool value) +{ + dev->disabled = value; + device_refresh_present(dev); +} #endif