X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fnetifd.git;a=blobdiff_plain;f=device.h;h=2af93bb16fad798d5bc8e719f09a7501c40f2046;hp=3c0c0021e2d891d04af5842e9c47fc64063d2db1;hb=b8ef742bd04ebef324ae11aee56c6e1d2cb7e0ad;hpb=c4c609517db5f7a33e4d26809dd67620ba77e795 diff --git a/device.h b/device.h index 3c0c002..2af93bb 100644 --- a/device.h +++ b/device.h @@ -1,149 +1,289 @@ -#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_type; +struct device_user; struct device_hotplug_ops; +struct interface; typedef int (*device_state_cb)(struct device *, bool up); +enum { + DEV_ATTR_TYPE, + DEV_ATTR_MTU, + DEV_ATTR_MTU6, + DEV_ATTR_MACADDR, + DEV_ATTR_TXQUEUELEN, + DEV_ATTR_ENABLED, + DEV_ATTR_IPV6, + DEV_ATTR_PROMISC, + DEV_ATTR_RPFILTER, + DEV_ATTR_ACCEPTLOCAL, + DEV_ATTR_IGMPVERSION, + DEV_ATTR_MLDVERSION, + DEV_ATTR_NEIGHREACHABLETIME, + DEV_ATTR_RPS, + DEV_ATTR_XPS, + DEV_ATTR_DADTRANSMITS, + DEV_ATTR_MULTICAST_TO_UNICAST, + DEV_ATTR_MULTICAST_ROUTER, + DEV_ATTR_MULTICAST_FAST_LEAVE, + DEV_ATTR_MULTICAST, + DEV_ATTR_LEARNING, + DEV_ATTR_UNICAST_FLOOD, + DEV_ATTR_NEIGHGCSTALETIME, + __DEV_ATTR_MAX, +}; + +enum dev_change_type { + DEV_CONFIG_NO_CHANGE, + DEV_CONFIG_APPLIED, + DEV_CONFIG_RESTART, + DEV_CONFIG_RECREATE, +}; + struct device_type { + struct list_head list; const char *name; - void (*dump_status)(struct device *, struct blob_buf *buf); + bool bridge_capability; + const char *name_prefix; + + const struct uci_blob_param_list *config_params; + + struct device *(*create)(const char *name, struct device_type *devtype, + 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); + void (*dump_stats)(struct device *, struct blob_buf *buf); int (*check_state)(struct device *); void (*free)(struct device *); }; enum { - DEV_OPT_MTU = (1 << 0), - DEV_OPT_MACADDR = (1 << 1), - DEV_OPT_TXQUEUELEN = (1 << 2) + DEV_OPT_MTU = (1 << 0), + DEV_OPT_MACADDR = (1 << 1), + DEV_OPT_TXQUEUELEN = (1 << 2), + DEV_OPT_IPV6 = (1 << 3), + DEV_OPT_PROMISC = (1 << 4), + DEV_OPT_RPFILTER = (1 << 5), + DEV_OPT_ACCEPTLOCAL = (1 << 6), + DEV_OPT_IGMPVERSION = (1 << 7), + DEV_OPT_MLDVERSION = (1 << 8), + DEV_OPT_NEIGHREACHABLETIME = (1 << 9), + DEV_OPT_RPS = (1 << 10), + DEV_OPT_XPS = (1 << 11), + DEV_OPT_MTU6 = (1 << 12), + DEV_OPT_DADTRANSMITS = (1 << 13), + DEV_OPT_MULTICAST_TO_UNICAST = (1 << 14), + DEV_OPT_MULTICAST_ROUTER = (1 << 15), + DEV_OPT_MULTICAST = (1 << 16), + DEV_OPT_LEARNING = (1 << 17), + DEV_OPT_UNICAST_FLOOD = (1 << 18), + DEV_OPT_NEIGHGCSTALETIME = (1 << 19), + DEV_OPT_MULTICAST_FAST_LEAVE = (1 << 20), }; -enum device_addr_flags { - /* address family for routes and addresses */ - DEVADDR_INET4 = (0 << 0), - DEVADDR_INET6 = (1 << 0), - DEVADDR_FAMILY = DEVADDR_INET4 | DEVADDR_INET6, +/* events broadcasted to all users of a device */ +enum device_event { + DEV_EVENT_ADD, + DEV_EVENT_REMOVE, - /* device route (no gateway) */ - DEVADDR_DEVICE = (1 << 1), -}; + DEV_EVENT_UPDATE_IFNAME, + DEV_EVENT_UPDATE_IFINDEX, -union if_addr { - struct in_addr in; - struct in6_addr in6; -}; + DEV_EVENT_SETUP, + DEV_EVENT_TEARDOWN, + DEV_EVENT_UP, + DEV_EVENT_DOWN, -struct device_addr { - struct list_head list; - void *ctx; + DEV_EVENT_LINK_UP, + DEV_EVENT_LINK_DOWN, - enum device_addr_flags flags; + /* Topology changed (i.e. bridge member added) */ + DEV_EVENT_TOPO_CHANGE, - unsigned int mask; - union if_addr addr; + __DEV_EVENT_MAX }; -struct device_route { - struct list_head list; - void *ctx; +/* + * device dependency with callbacks + */ +struct device_user { + struct safe_list list; - enum device_addr_flags flags; + bool claimed; + bool hotplug; + bool alias; - unsigned int mask; - union if_addr addr; - union if_addr nexthop; + 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 valid_flags; + unsigned int mtu; + unsigned int mtu6; + unsigned int txqueuelen; + uint8_t macaddr[6]; + bool ipv6; + bool promisc; + unsigned int rpfilter; + bool acceptlocal; + unsigned int igmpversion; + unsigned int mldversion; + unsigned int neigh4reachabletime; + unsigned int neigh6reachabletime; + unsigned int neigh4gcstaletime; + unsigned int neigh6gcstaletime; + bool rps; + bool xps; + unsigned int dadtransmits; + bool multicast_to_unicast; + unsigned int multicast_router; + bool multicast_fast_leave; + bool multicast; + bool learning; + bool unicast_flood; +}; + +/* * link layer device. typically represents a linux network device. * can be used to support VLANs as well */ struct device { - const struct device_type *type; + 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; + /* DEV_EVENT_ADD */ bool present; + /* DEV_EVENT_UP */ int active; + /* DEV_EVENT_LINK_UP */ + bool link_active; - /* set interface up or down */ - device_state_cb set_state; + bool external; + bool disabled; + bool deferred; + bool hidden; - const struct device_hotplug_ops *hotplug_ops; + bool current_config; + bool iface_config; + bool default_config; + bool wireless; + bool wireless_ap; + bool wireless_isolate; - /* settings */ - unsigned int flags; + struct interface *config_iface; - unsigned int mtu; - unsigned int txqueuelen; - uint8_t macaddr[6]; - - uint32_t config_hash; -}; - -/* 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, + /* set interface up or down */ + device_state_cb set_state; - DEV_EVENT_LINK_UP, - DEV_EVENT_LINK_DOWN, -}; + const struct device_hotplug_ops *hotplug_ops; -/* - * device dependency with callbacks - */ -struct device_user { - struct list_head list; + 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); }; -static inline void -device_free(struct device *dev) -{ - dev->type->free(dev); -} - -extern const struct config_param_list device_attr_list; - -struct device *device_create(struct blob_attr *attr, struct uci_section *s); - -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); +extern const struct uci_blob_param_list device_attr_list; +extern struct device_type simple_device_type; +extern struct device_type tunnel_device_type; + +void device_lock(void); +void device_unlock(void); + +int device_type_add(struct device_type *devtype); +struct device_type *device_type_get(const char *tname); +struct device *device_create(const char *name, 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_apply_config(struct device *dev, struct device_type *type, + struct blob_attr *config); + +void device_reset_config(void); +void device_reset_old(void); +void device_set_default_ps(bool state); + +void device_init_virtual(struct device *dev, struct device_type *type, const char *name); +int device_init(struct device *iface, struct device_type *type, const char *ifname); +void device_cleanup(struct device *dev); +struct device *device_find(const char *name); +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); -int claim_device(struct device *dev); -void release_device(struct device *dev); -int check_device_state(struct device *dev); - -void device_free_all(void); +void device_set_link(struct device *dev, bool state); +void device_set_ifindex(struct device *dev, int ifindex); +int device_set_ifname(struct device *dev, const char *name); +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); -struct device *bridge_create(const char *name, struct uci_section *s); +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