-#ifndef __LL_H
-#define __LL_H
+/*
+ * netifd - network interface daemon
+ * Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
+ *
+ * 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 <libubox/avl.h>
+#include <libubox/safe_list.h>
#include <netinet/in.h>
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_SENDREDIRECTS,
+ DEV_ATTR_NEIGHLOCKTIME,
+ __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),
+ DEV_OPT_SENDREDIRECTS = (1 << 21),
+ DEV_OPT_NEIGHLOCKTIME = (1 << 22),
};
-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;
+ unsigned int neigh4locktime;
+ 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;
+ bool sendredirects;
+};
+
+/*
* 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 init_virtual_device(struct device *dev, const struct device_type *type, const char *name);
-int init_device(struct device *iface, const struct device_type *type, const char *ifname);
-void device_cleanup(struct device *iface);
-struct device *get_device(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
projects / project / netifd.git / blobdiff