+/*
+ * 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.
+ */
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <netinet/ether.h>
#endif
+#include <libubox/list.h>
+
#include "netifd.h"
#include "system.h"
#include "config.h"
+static struct list_head devtypes = LIST_HEAD_INIT(devtypes);
static struct avl_tree devices;
-static struct avl_tree aliases;
-
-struct alias_device {
- struct avl_node avl;
- struct device dev;
- struct device_user dep;
- bool cleanup;
- char name[];
-};
-
-static const struct device_type alias_device_type;
+static bool default_ps = true;
static const struct blobmsg_policy dev_attrs[__DEV_ATTR_MAX] = {
- [DEV_ATTR_TYPE] = { "type", BLOBMSG_TYPE_STRING },
- [DEV_ATTR_IFNAME] = { "ifname", BLOBMSG_TYPE_ARRAY },
- [DEV_ATTR_MTU] = { "mtu", BLOBMSG_TYPE_INT32 },
- [DEV_ATTR_MACADDR] = { "macaddr", BLOBMSG_TYPE_STRING },
- [DEV_ATTR_TXQUEUELEN] = { "txqueuelen", BLOBMSG_TYPE_INT32 },
+ [DEV_ATTR_TYPE] = { .name = "type", .type = BLOBMSG_TYPE_STRING },
+ [DEV_ATTR_MTU] = { .name = "mtu", .type = BLOBMSG_TYPE_INT32 },
+ [DEV_ATTR_MTU6] = { .name = "mtu6", .type = BLOBMSG_TYPE_INT32 },
+ [DEV_ATTR_MACADDR] = { .name = "macaddr", .type = BLOBMSG_TYPE_STRING },
+ [DEV_ATTR_TXQUEUELEN] = { .name = "txqueuelen", .type = BLOBMSG_TYPE_INT32 },
+ [DEV_ATTR_ENABLED] = { .name = "enabled", .type = BLOBMSG_TYPE_BOOL },
+ [DEV_ATTR_IPV6] = { .name = "ipv6", .type = BLOBMSG_TYPE_BOOL },
+ [DEV_ATTR_PROMISC] = { .name = "promisc", .type = BLOBMSG_TYPE_BOOL },
+ [DEV_ATTR_RPFILTER] = { .name = "rpfilter", .type = BLOBMSG_TYPE_STRING },
+ [DEV_ATTR_ACCEPTLOCAL] = { .name = "acceptlocal", .type = BLOBMSG_TYPE_BOOL },
+ [DEV_ATTR_IGMPVERSION] = { .name = "igmpversion", .type = BLOBMSG_TYPE_INT32 },
+ [DEV_ATTR_MLDVERSION] = { .name = "mldversion", .type = BLOBMSG_TYPE_INT32 },
+ [DEV_ATTR_NEIGHREACHABLETIME] = { .name = "neighreachabletime", .type = BLOBMSG_TYPE_INT32 },
+ [DEV_ATTR_NEIGHGCSTALETIME] = { .name = "neighgcstaletime", .type = BLOBMSG_TYPE_INT32 },
+ [DEV_ATTR_RPS] = { .name = "rps", .type = BLOBMSG_TYPE_BOOL },
+ [DEV_ATTR_XPS] = { .name = "xps", .type = BLOBMSG_TYPE_BOOL },
+ [DEV_ATTR_DADTRANSMITS] = { .name = "dadtransmits", .type = BLOBMSG_TYPE_INT32 },
+ [DEV_ATTR_MULTICAST_TO_UNICAST] = { .name = "multicast_to_unicast", .type = BLOBMSG_TYPE_BOOL },
+ [DEV_ATTR_MULTICAST_ROUTER] = { .name = "multicast_router", .type = BLOBMSG_TYPE_INT32 },
+ [DEV_ATTR_MULTICAST_FAST_LEAVE] = { .name = "multicast_fast_leave", . type = BLOBMSG_TYPE_BOOL },
+ [DEV_ATTR_MULTICAST] = { .name ="multicast", .type = BLOBMSG_TYPE_BOOL },
+ [DEV_ATTR_LEARNING] = { .name ="learning", .type = BLOBMSG_TYPE_BOOL },
+ [DEV_ATTR_UNICAST_FLOOD] = { .name ="unicast_flood", .type = BLOBMSG_TYPE_BOOL },
};
-const struct config_param_list device_attr_list = {
+const struct uci_blob_param_list device_attr_list = {
.n_params = __DEV_ATTR_MAX,
.params = dev_attrs,
};
static int __devlock = 0;
+int device_type_add(struct device_type *devtype)
+{
+ if (device_type_get(devtype->name)) {
+ netifd_log_message(L_WARNING, "Device handler '%s' already exists\n",
+ devtype->name);
+ return 1;
+ }
+
+ netifd_log_message(L_NOTICE, "Added device handler type: %s\n",
+ devtype->name);
+
+ list_add(&devtype->list, &devtypes);
+ return 0;
+}
+
+/* Retrieve the device type for the given name. If 'bridge' is true, the type
+ * must have bridge capabilities
+ */
+struct device_type *
+device_type_get(const char *tname)
+{
+ struct device_type *cur;
+
+ list_for_each_entry(cur, &devtypes, list)
+ if (!strcmp(cur->name, tname))
+ return cur;
+
+ return NULL;
+}
+
void device_lock(void)
{
__devlock++;
static int set_device_state(struct device *dev, bool state)
{
- if (state)
+ if (state) {
+ /* Get ifindex for all devices being enabled so a valid */
+ /* ifindex is in place avoiding possible race conditions */
+ device_set_ifindex(dev, system_if_resolve(dev));
+ if (!dev->ifindex)
+ return -1;
+
system_if_up(dev);
+ }
else
system_if_down(dev);
}
static struct device *
-simple_device_create(const char *name, struct blob_attr *attr)
+simple_device_create(const char *name, struct device_type *devtype,
+ struct blob_attr *attr)
{
struct blob_attr *tb[__DEV_ATTR_MAX];
struct device *dev = NULL;
+ /* device type is unused for simple devices */
+ devtype = NULL;
+
blobmsg_parse(dev_attrs, __DEV_ATTR_MAX, tb, blob_data(attr), blob_len(attr));
dev = device_get(name, true);
if (!dev)
{
if (dev->parent.dev)
device_remove_user(&dev->parent);
- device_cleanup(dev);
free(dev);
}
-const struct device_type simple_device_type = {
+struct device_type simple_device_type = {
.name = "Network device",
.config_params = &device_attr_list,
.free = simple_device_free,
};
-static int
-alias_device_set_state(struct device *dev, bool state)
-{
- struct alias_device *alias;
-
- alias = container_of(dev, struct alias_device, dev);
- if (!alias->dep.dev)
- return -1;
-
- if (state)
- return device_claim(&alias->dep);
-
- device_release(&alias->dep);
- if (alias->cleanup)
- device_remove_user(&alias->dep);
- return 0;
-}
-
-static struct device *
-alias_device_create(const char *name, struct blob_attr *attr)
-{
- struct alias_device *alias;
-
- alias = calloc(1, sizeof(*alias) + strlen(name) + 1);
- strcpy(alias->name, name);
- alias->dev.set_state = alias_device_set_state;
- device_init_virtual(&alias->dev, &alias_device_type, NULL);
- alias->avl.key = alias->name;
- avl_insert(&aliases, &alias->avl);
-
- return &alias->dev;
-}
-
-static void alias_device_free(struct device *dev)
+static void
+device_merge_settings(struct device *dev, struct device_settings *n)
{
- struct alias_device *alias;
-
- device_cleanup(dev);
-
- alias = container_of(dev, struct alias_device, dev);
- avl_delete(&aliases, &alias->avl);
- free(alias);
+ struct device_settings *os = &dev->orig_settings;
+ struct device_settings *s = &dev->settings;
+
+ memset(n, 0, sizeof(*n));
+ n->mtu = s->flags & DEV_OPT_MTU ? s->mtu : os->mtu;
+ n->mtu6 = s->flags & DEV_OPT_MTU6 ? s->mtu6 : os->mtu6;
+ n->txqueuelen = s->flags & DEV_OPT_TXQUEUELEN ?
+ s->txqueuelen : os->txqueuelen;
+ memcpy(n->macaddr,
+ (s->flags & DEV_OPT_MACADDR ? s->macaddr : os->macaddr),
+ sizeof(n->macaddr));
+ n->ipv6 = s->flags & DEV_OPT_IPV6 ? s->ipv6 : os->ipv6;
+ n->promisc = s->flags & DEV_OPT_PROMISC ? s->promisc : os->promisc;
+ n->rpfilter = s->flags & DEV_OPT_RPFILTER ? s->rpfilter : os->rpfilter;
+ n->acceptlocal = s->flags & DEV_OPT_ACCEPTLOCAL ? s->acceptlocal : os->acceptlocal;
+ n->igmpversion = s->flags & DEV_OPT_IGMPVERSION ? s->igmpversion : os->igmpversion;
+ n->mldversion = s->flags & DEV_OPT_MLDVERSION ? s->mldversion : os->mldversion;
+ n->neigh4reachabletime = s->flags & DEV_OPT_NEIGHREACHABLETIME ?
+ s->neigh4reachabletime : os->neigh4reachabletime;
+ n->neigh6reachabletime = s->flags & DEV_OPT_NEIGHREACHABLETIME ?
+ s->neigh6reachabletime : os->neigh6reachabletime;
+ n->neigh4gcstaletime = s->flags & DEV_OPT_NEIGHGCSTALETIME ?
+ s->neigh4gcstaletime : os->neigh4gcstaletime;
+ n->neigh6gcstaletime = s->flags & DEV_OPT_NEIGHGCSTALETIME ?
+ s->neigh6gcstaletime : os->neigh6gcstaletime;
+ n->dadtransmits = s->flags & DEV_OPT_DADTRANSMITS ?
+ s->dadtransmits : os->dadtransmits;
+ n->multicast = s->flags & DEV_OPT_MULTICAST ?
+ s->multicast : os->multicast;
+ n->multicast_to_unicast = s->multicast_to_unicast;
+ n->multicast_router = s->multicast_router;
+ n->multicast_fast_leave = s->multicast_fast_leave;
+ n->learning = s->learning;
+ n->unicast_flood = s->unicast_flood;
+ n->flags = s->flags | os->flags | os->valid_flags;
}
-static const struct device_type alias_device_type = {
- .name = "Network alias",
- .create = alias_device_create,
- .free = alias_device_free,
-};
-
void
device_init_settings(struct device *dev, struct blob_attr **tb)
{
+ struct device_settings *s = &dev->settings;
struct blob_attr *cur;
struct ether_addr *ea;
+ bool disabled = false;
- dev->flags = 0;
+ s->flags = 0;
+ if ((cur = tb[DEV_ATTR_ENABLED]))
+ disabled = !blobmsg_get_bool(cur);
if ((cur = tb[DEV_ATTR_MTU])) {
- dev->mtu = blobmsg_get_u32(cur);
- dev->flags |= DEV_OPT_MTU;
+ s->mtu = blobmsg_get_u32(cur);
+ s->flags |= DEV_OPT_MTU;
+ }
+
+ if ((cur = tb[DEV_ATTR_MTU6])) {
+ s->mtu6 = blobmsg_get_u32(cur);
+ s->flags |= DEV_OPT_MTU6;
}
if ((cur = tb[DEV_ATTR_TXQUEUELEN])) {
- dev->txqueuelen = blobmsg_get_u32(cur);
- dev->flags |= DEV_OPT_TXQUEUELEN;
+ s->txqueuelen = blobmsg_get_u32(cur);
+ s->flags |= DEV_OPT_TXQUEUELEN;
}
if ((cur = tb[DEV_ATTR_MACADDR])) {
- ea = ether_aton(blob_data(cur));
+ ea = ether_aton(blobmsg_data(cur));
if (ea) {
- memcpy(dev->macaddr, ea, sizeof(dev->macaddr));
- dev->flags |= DEV_OPT_MACADDR;
+ memcpy(s->macaddr, ea, 6);
+ s->flags |= DEV_OPT_MACADDR;
}
}
+
+ if ((cur = tb[DEV_ATTR_IPV6])) {
+ s->ipv6 = blobmsg_get_bool(cur);
+ s->flags |= DEV_OPT_IPV6;
+ }
+
+ if ((cur = tb[DEV_ATTR_PROMISC])) {
+ s->promisc = blobmsg_get_bool(cur);
+ s->flags |= DEV_OPT_PROMISC;
+ }
+
+ if ((cur = tb[DEV_ATTR_RPFILTER])) {
+ if (system_resolve_rpfilter(blobmsg_data(cur), &s->rpfilter))
+ s->flags |= DEV_OPT_RPFILTER;
+ else
+ DPRINTF("Failed to resolve rpfilter: %s\n", (char *) blobmsg_data(cur));
+ }
+
+ if ((cur = tb[DEV_ATTR_ACCEPTLOCAL])) {
+ s->acceptlocal = blobmsg_get_bool(cur);
+ s->flags |= DEV_OPT_ACCEPTLOCAL;
+ }
+
+ if ((cur = tb[DEV_ATTR_IGMPVERSION])) {
+ s->igmpversion = blobmsg_get_u32(cur);
+ if (s->igmpversion >= 1 && s->igmpversion <= 3)
+ s->flags |= DEV_OPT_IGMPVERSION;
+ else
+ DPRINTF("Failed to resolve igmpversion: %d\n", blobmsg_get_u32(cur));
+ }
+
+ if ((cur = tb[DEV_ATTR_MLDVERSION])) {
+ s->mldversion = blobmsg_get_u32(cur);
+ if (s->mldversion >= 1 && s->mldversion <= 2)
+ s->flags |= DEV_OPT_MLDVERSION;
+ else
+ DPRINTF("Failed to resolve mldversion: %d\n", blobmsg_get_u32(cur));
+ }
+
+ if ((cur = tb[DEV_ATTR_NEIGHREACHABLETIME])) {
+ s->neigh6reachabletime = s->neigh4reachabletime = blobmsg_get_u32(cur);
+ s->flags |= DEV_OPT_NEIGHREACHABLETIME;
+ }
+
+ if ((cur = tb[DEV_ATTR_NEIGHGCSTALETIME])) {
+ s->neigh6gcstaletime = s->neigh4gcstaletime = blobmsg_get_u32(cur);
+ s->flags |= DEV_OPT_NEIGHGCSTALETIME;
+ }
+
+ if ((cur = tb[DEV_ATTR_RPS])) {
+ s->rps = blobmsg_get_bool(cur);
+ s->flags |= DEV_OPT_RPS;
+ }
+ else
+ s->rps = default_ps;
+
+ if ((cur = tb[DEV_ATTR_XPS])) {
+ s->xps = blobmsg_get_bool(cur);
+ s->flags |= DEV_OPT_XPS;
+ }
+ else
+ s->xps = default_ps;
+
+ if ((cur = tb[DEV_ATTR_DADTRANSMITS])) {
+ s->dadtransmits = blobmsg_get_u32(cur);
+ s->flags |= DEV_OPT_DADTRANSMITS;
+ }
+
+ if ((cur = tb[DEV_ATTR_MULTICAST_TO_UNICAST])) {
+ s->multicast_to_unicast = blobmsg_get_bool(cur);
+ s->flags |= DEV_OPT_MULTICAST_TO_UNICAST;
+ }
+
+ if ((cur = tb[DEV_ATTR_MULTICAST_ROUTER])) {
+ s->multicast_router = blobmsg_get_u32(cur);
+ if (s->multicast_router <= 2)
+ s->flags |= DEV_OPT_MULTICAST_ROUTER;
+ else
+ DPRINTF("Invalid value: %d - (Use 0: never, 1: learn, 2: always)\n", blobmsg_get_u32(cur));
+ }
+
+ if ((cur = tb[DEV_ATTR_MULTICAST_FAST_LEAVE])) {
+ s->multicast_fast_leave = blobmsg_get_bool(cur);
+ s->flags |= DEV_OPT_MULTICAST_FAST_LEAVE;
+ }
+
+ if ((cur = tb[DEV_ATTR_MULTICAST])) {
+ s->multicast = blobmsg_get_bool(cur);
+ s->flags |= DEV_OPT_MULTICAST;
+ }
+
+ if ((cur = tb[DEV_ATTR_LEARNING])) {
+ s->learning = blobmsg_get_bool(cur);
+ s->flags |= DEV_OPT_LEARNING;
+ }
+
+ if ((cur = tb[DEV_ATTR_UNICAST_FLOOD])) {
+ s->unicast_flood = blobmsg_get_bool(cur);
+ s->flags |= DEV_OPT_UNICAST_FLOOD;
+ }
+
+ device_set_disabled(dev, disabled);
}
static void __init dev_init(void)
{
avl_init(&devices, avl_strcmp, true, NULL);
- avl_init(&aliases, avl_strcmp, false, NULL);
}
-static void device_broadcast_event(struct device *dev, enum device_event ev)
+static int device_broadcast_cb(void *ctx, struct safe_list *list)
{
- struct device_user *dep, *tmp;
+ struct device_user *dep = container_of(list, struct device_user, list);
+ int *ev = ctx;
- list_for_each_entry_safe(dep, tmp, &dev->users, list) {
- if (!dep->cb)
- continue;
+ /* device might have been removed by an earlier callback */
+ if (!dep->dev)
+ return 0;
- dep->cb(dep, ev);
- }
+ if (dep->cb)
+ dep->cb(dep, *ev);
+ return 0;
}
-void
-alias_notify_device(const char *name, struct device *dev)
+void device_broadcast_event(struct device *dev, enum device_event ev)
{
- struct alias_device *alias;
-
- device_lock();
-
- alias = avl_find_element(&aliases, name, alias, avl);
- if (!alias)
- return;
-
- alias->cleanup = !dev;
- if (dev) {
- if (dev != alias->dep.dev) {
- device_remove_user(&alias->dep);
- strcpy(alias->dev.ifname, dev->ifname);
- device_add_user(&alias->dep, dev);
- }
- }
+ int dev_ev = ev;
- device_set_present(&alias->dev, !!dev);
-
- if (!dev && alias->dep.dev && !alias->dep.dev->active)
- device_remove_user(&alias->dep);
-
- device_unlock();
+ safe_list_for_each(&dev->aliases, device_broadcast_cb, &dev_ev);
+ safe_list_for_each(&dev->users, device_broadcast_cb, &dev_ev);
}
int device_claim(struct device_user *dep)
{
struct device *dev = dep->dev;
- int ret;
+ int ret = 0;
if (dep->claimed)
return 0;
+ if (!dev)
+ return -1;
+
dep->claimed = true;
- D(DEVICE, "Claim %s %s, new refcount: %d\n", dev->type->name, dev->ifname, dev->active + 1);
+ D(DEVICE, "Claim %s %s, new active count: %d\n", dev->type->name, dev->ifname, dev->active + 1);
if (++dev->active != 1)
return 0;
device_broadcast_event(dev, DEV_EVENT_SETUP);
- ret = dev->set_state(dev, true);
+ if (dev->external) {
+ /* Get ifindex for external claimed devices so a valid */
+ /* ifindex is in place avoiding possible race conditions */
+ device_set_ifindex(dev, system_if_resolve(dev));
+ if (!dev->ifindex)
+ ret = -1;
+
+ system_if_get_settings(dev, &dev->orig_settings);
+ } else
+ ret = dev->set_state(dev, true);
+
if (ret == 0)
device_broadcast_event(dev, DEV_EVENT_UP);
else {
- D(DEVICE, "claim device %s failed: %d\n", dev->ifname, ret);
+ D(DEVICE, "claim %s %s failed: %d\n", dev->type->name, dev->ifname, ret);
dev->active = 0;
dep->claimed = false;
}
dep->claimed = false;
dev->active--;
- D(DEVICE, "Release %s %s, new refcount: %d\n", dev->type->name, dev->ifname, dev->active);
+ D(DEVICE, "Release %s %s, new active count: %d\n", dev->type->name, dev->ifname, dev->active);
assert(dev->active >= 0);
if (dev->active)
return;
device_broadcast_event(dev, DEV_EVENT_TEARDOWN);
- dev->set_state(dev, false);
+ if (!dev->external)
+ dev->set_state(dev, false);
device_broadcast_event(dev, DEV_EVENT_DOWN);
}
int device_check_state(struct device *dev)
{
if (!dev->type->check_state)
- return 0;
+ return simple_device_type.check_state(dev);
return dev->type->check_state(dev);
}
-void device_init_virtual(struct device *dev, const struct device_type *type, const char *name)
+void device_init_virtual(struct device *dev, struct device_type *type, const char *name)
{
assert(dev);
assert(type);
+ D(DEVICE, "Initialize device '%s'\n", name ? name : "");
+ INIT_SAFE_LIST(&dev->users);
+ INIT_SAFE_LIST(&dev->aliases);
+ dev->type = type;
+
if (name)
- strncpy(dev->ifname, name, IFNAMSIZ);
+ device_set_ifname(dev, name);
- D(DEVICE, "Initialize device '%s'\n", dev->ifname);
- INIT_LIST_HEAD(&dev->users);
- dev->type = type;
+ if (!dev->set_state)
+ dev->set_state = set_device_state;
}
-int device_init(struct device *dev, const struct device_type *type, const char *ifname)
+int device_init(struct device *dev, struct device_type *type, const char *ifname)
{
int ret;
device_init_virtual(dev, type, ifname);
- if (!dev->set_state)
- dev->set_state = set_device_state;
-
dev->avl.key = dev->ifname;
ret = avl_insert(&devices, &dev->avl);
system_if_clear_state(dev);
device_check_state(dev);
+ dev->settings.rps = default_ps;
+ dev->settings.xps = default_ps;
return 0;
}
{
struct device *dev;
+ if (!external && system_if_force_external(name))
+ return NULL;
+
D(DEVICE, "Create simple device '%s'\n", name);
dev = calloc(1, sizeof(*dev));
+ if (!dev)
+ return NULL;
+
dev->external = external;
dev->set_state = simple_device_set_state;
device_init(dev, &simple_device_type, name);
dev->default_config = true;
+ if (external)
+ system_if_apply_settings(dev, &dev->settings, dev->settings.flags);
return dev;
}
-static struct device *
-device_alias_get(const char *name)
+struct device *
+device_find(const char *name)
{
- struct alias_device *alias;
-
- alias = avl_find_element(&aliases, name, alias, avl);
- if (alias)
- return &alias->dev;
+ struct device *dev;
- return alias_device_create(name, NULL);
+ return avl_find_element(&devices, name, dev, avl);
}
struct device *
return device_alias_get(name + 1);
dev = avl_find_element(&devices, name, dev, avl);
- if (dev)
+ if (dev) {
+ if (create > 1 && !dev->external) {
+ system_if_apply_settings(dev, &dev->settings, dev->settings.flags);
+ dev->external = true;
+ device_set_present(dev, true);
+ }
return dev;
+ }
if (!create)
return NULL;
dev->avl.key = NULL;
}
-void device_cleanup(struct device *dev)
+static int device_cleanup_cb(void *ctx, struct safe_list *list)
{
- struct device_user *dep, *tmp;
-
- D(DEVICE, "Clean up device '%s'\n", dev->ifname);
- list_for_each_entry_safe(dep, tmp, &dev->users, list) {
- if (!dep->cb)
- continue;
-
+ struct device_user *dep = container_of(list, struct device_user, list);
+ if (dep->cb)
dep->cb(dep, DEV_EVENT_REMOVE);
- device_release(dep);
- }
+ device_release(dep);
+ return 0;
+}
+
+void device_cleanup(struct device *dev)
+{
+ D(DEVICE, "Clean up device '%s'\n", dev->ifname);
+ safe_list_for_each(&dev->users, device_cleanup_cb, NULL);
+ safe_list_for_each(&dev->aliases, device_cleanup_cb, NULL);
device_delete(dev);
}
-void device_set_present(struct device *dev, bool state)
+static void __device_set_present(struct device *dev, bool state)
{
if (dev->present == state)
return;
- D(DEVICE, "%s '%s' %s present\n", dev->type->name, dev->ifname, state ? "is now" : "is no longer" );
dev->present = state;
device_broadcast_event(dev, state ? DEV_EVENT_ADD : DEV_EVENT_REMOVE);
}
-void device_add_user(struct device_user *dep, struct device *dev)
+void
+device_refresh_present(struct device *dev)
+{
+ bool state = dev->sys_present;
+
+ if (dev->disabled || dev->deferred)
+ state = false;
+
+ __device_set_present(dev, state);
+}
+
+void device_set_present(struct device *dev, bool state)
+{
+ if (dev->sys_present == state)
+ return;
+
+ D(DEVICE, "%s '%s' %s present\n", dev->type->name, dev->ifname, state ? "is now" : "is no longer" );
+ dev->sys_present = state;
+ device_refresh_present(dev);
+}
+
+void device_set_link(struct device *dev, bool state)
+{
+ if (dev->link_active == state)
+ return;
+
+ netifd_log_message(L_NOTICE, "%s '%s' link is %s\n", dev->type->name, dev->ifname, state ? "up" : "down" );
+
+ dev->link_active = state;
+ device_broadcast_event(dev, state ? DEV_EVENT_LINK_UP : DEV_EVENT_LINK_DOWN);
+}
+
+void device_set_ifindex(struct device *dev, int ifindex)
+{
+ if (dev->ifindex == ifindex)
+ return;
+
+ dev->ifindex = ifindex;
+ device_broadcast_event(dev, DEV_EVENT_UPDATE_IFINDEX);
+}
+
+int device_set_ifname(struct device *dev, const char *name)
+{
+ int ret = 0;
+
+ if (!strcmp(dev->ifname, name))
+ return 0;
+
+ if (dev->avl.key)
+ avl_delete(&devices, &dev->avl);
+
+ strncpy(dev->ifname, name, IFNAMSIZ);
+
+ if (dev->avl.key)
+ ret = avl_insert(&devices, &dev->avl);
+
+ if (ret == 0)
+ device_broadcast_event(dev, DEV_EVENT_UPDATE_IFNAME);
+
+ return ret;
+}
+
+static int device_refcount(struct device *dev)
+{
+ struct list_head *list;
+ int count = 0;
+
+ list_for_each(list, &dev->users.list)
+ count++;
+
+ list_for_each(list, &dev->aliases.list)
+ count++;
+
+ return count;
+}
+
+static void
+__device_add_user(struct device_user *dep, struct device *dev)
{
+ struct safe_list *head;
+
dep->dev = dev;
- list_add_tail(&dep->list, &dev->users);
+
+ if (dep->alias)
+ head = &dev->aliases;
+ else
+ head = &dev->users;
+
+ safe_list_add(&dep->list, head);
+ D(DEVICE, "Add user for device '%s', refcount=%d\n", dev->ifname, device_refcount(dev));
+
if (dep->cb && dev->present) {
dep->cb(dep, DEV_EVENT_ADD);
if (dev->active)
dep->cb(dep, DEV_EVENT_UP);
+
+ if (dev->link_active)
+ dep->cb(dep, DEV_EVENT_LINK_UP);
}
}
+void device_add_user(struct device_user *dep, struct device *dev)
+{
+ if (dep->dev == dev)
+ return;
+
+ if (dep->dev)
+ device_remove_user(dep);
+
+ if (!dev)
+ return;
+
+ __device_add_user(dep, dev);
+}
+
void
device_free(struct device *dev)
{
__devlock++;
+ free(dev->config);
+ device_cleanup(dev);
dev->type->free(dev);
__devlock--;
}
static void
__device_free_unused(struct device *dev)
{
- if (!list_empty(&dev->users) || dev->current_config || __devlock)
+ if (!safe_list_empty(&dev->users) ||
+ !safe_list_empty(&dev->aliases) ||
+ dev->current_config || __devlock)
return;
device_free(dev);
if (dep->claimed)
device_release(dep);
- list_del(&dep->list);
+ safe_list_del(&dep->list);
dep->dev = NULL;
+ D(DEVICE, "Remove user for device '%s', refcount=%d\n", dev->ifname, device_refcount(dev));
__device_free_unused(dev);
}
}
static enum dev_change_type
-device_reload_config(struct device *dev, struct blob_attr *attr)
+device_set_config(struct device *dev, struct device_type *type,
+ struct blob_attr *attr)
{
struct blob_attr *tb[__DEV_ATTR_MAX];
- const struct config_param_list *cfg = dev->type->config_params;
+ const struct uci_blob_param_list *cfg = type->config_params;
+
+ if (type != dev->type)
+ return DEV_CONFIG_RECREATE;
- if (config_check_equal(dev->config, attr, cfg))
+ if (dev->type->reload)
+ return dev->type->reload(dev, attr);
+
+ if (uci_blob_check_equal(dev->config, attr, cfg))
return DEV_CONFIG_NO_CHANGE;
if (cfg == &device_attr_list) {
blob_data(attr), blob_len(attr));
device_init_settings(dev, tb);
- return DEV_CONFIG_APPLIED;
+ return DEV_CONFIG_RESTART;
} else
return DEV_CONFIG_RECREATE;
}
enum dev_change_type
-device_set_config(struct device *dev, const struct device_type *type,
- struct blob_attr *attr)
+device_apply_config(struct device *dev, struct device_type *type,
+ struct blob_attr *config)
{
- if (type != dev->type)
- return DEV_CONFIG_RECREATE;
+ enum dev_change_type change;
- if (dev->type->reload)
- return dev->type->reload(dev, attr);
+ change = device_set_config(dev, type, config);
+ if (dev->external) {
+ system_if_apply_settings(dev, &dev->settings, dev->settings.flags);
+ change = DEV_CONFIG_APPLIED;
+ }
- return device_reload_config(dev, attr);
+ switch (change) {
+ case DEV_CONFIG_RESTART:
+ case DEV_CONFIG_APPLIED:
+ D(DEVICE, "Device '%s': config applied\n", dev->ifname);
+ config = blob_memdup(config);
+ free(dev->config);
+ dev->config = config;
+ if (change == DEV_CONFIG_RESTART && dev->present) {
+ int ret = 0;
+
+ device_set_present(dev, false);
+ if (dev->active && !dev->external) {
+ ret = dev->set_state(dev, false);
+ if (!ret)
+ ret = dev->set_state(dev, true);
+ }
+ if (!ret)
+ device_set_present(dev, true);
+ }
+ break;
+ case DEV_CONFIG_NO_CHANGE:
+ D(DEVICE, "Device '%s': no configuration change\n", dev->ifname);
+ break;
+ case DEV_CONFIG_RECREATE:
+ break;
+ }
+
+ return change;
}
static void
device_replace(struct device *dev, struct device *odev)
{
struct device_user *dep, *tmp;
- bool present = odev->present;
- if (present)
+ __devlock++;
+ if (odev->present)
device_set_present(odev, false);
- list_for_each_entry_safe(dep, tmp, &odev->users, list) {
+ list_for_each_entry_safe(dep, tmp, &odev->users.list, list.list) {
device_release(dep);
- list_move_tail(&dep->list, &dev->users);
- dep->dev = dev;
+ safe_list_del(&dep->list);
+ __device_add_user(dep, dev);
}
- device_free(odev);
+ __devlock--;
- if (present)
- device_set_present(dev, true);
+ device_free(odev);
}
void
continue;
ndev = device_create_default(dev->ifname, dev->external);
+ if (!ndev)
+ continue;
+
device_replace(ndev, dev);
}
}
+void
+device_set_default_ps(bool state)
+{
+ struct device *dev;
+
+ if (state == default_ps)
+ return;
+
+ default_ps = state;
+
+ avl_for_each_element(&devices, dev, avl) {
+ struct device_settings *s = &dev->settings;
+ unsigned int apply_mask = 0;
+
+ if (!(s->flags & DEV_OPT_RPS)) {
+ s->rps = default_ps;
+ apply_mask |= DEV_OPT_RPS;
+ }
+
+ if (!(s->flags & DEV_OPT_XPS)) {
+ s->xps = default_ps;
+ apply_mask |= DEV_OPT_XPS;
+ }
+
+ if (!apply_mask)
+ continue;
+
+ if (!(dev->external || (dev->present && dev->active)) ||
+ dev->config_pending)
+ continue;
+
+ system_if_apply_settings(dev, s, apply_mask);
+ }
+}
+
struct device *
-device_create(const char *name, const struct device_type *type,
+device_create(const char *name, struct device_type *type,
struct blob_attr *config)
{
struct device *odev = NULL, *dev;
enum dev_change_type change;
- config = config_memdup(config);
- if (!config)
- return NULL;
-
odev = device_get(name, false);
if (odev) {
odev->current_config = true;
- change = device_set_config(odev, type, config);
+ change = device_apply_config(odev, type, config);
switch (change) {
- case DEV_CONFIG_APPLIED:
- D(DEVICE, "Device '%s': config applied\n", odev->ifname);
- free(odev->config);
- odev->config = config;
- if (odev->present) {
- device_set_present(odev, false);
- device_set_present(odev, true);
- }
- return odev;
- case DEV_CONFIG_NO_CHANGE:
- D(DEVICE, "Device '%s': no configuration change\n", odev->ifname);
- free(config);
- return odev;
case DEV_CONFIG_RECREATE:
D(DEVICE, "Device '%s': recreate device\n", odev->ifname);
device_delete(odev);
break;
+ default:
+ return odev;
}
} else
D(DEVICE, "Create new device '%s' (%s)\n", name, type->name);
- dev = type->create(name, config);
+ config = blob_memdup(config);
+ if (!config)
+ return NULL;
+
+ dev = type->create(name, type, config);
if (!dev)
return NULL;
if (odev)
device_replace(dev, odev);
- if (!config_init && dev->config_pending)
+ if (!config_init && dev->config_pending) {
type->config_init(dev);
+ dev->config_pending = false;
+ }
return dev;
}
void
device_dump_status(struct blob_buf *b, struct device *dev)
{
+ struct device_settings st;
void *c, *s;
if (!dev) {
return;
}
+ blobmsg_add_u8(b, "external", dev->external);
+ blobmsg_add_u8(b, "present", dev->present);
+ blobmsg_add_string(b, "type", dev->type->name);
+
if (!dev->present)
return;
- blobmsg_add_string(b, "type", dev->type->name);
blobmsg_add_u8(b, "up", !!dev->active);
+ blobmsg_add_u8(b, "carrier", !!dev->link_active);
+
if (dev->type->dump_info)
dev->type->dump_info(dev, b);
+ else
+ system_if_dump_info(dev, b);
+
+ if (dev->active) {
+ device_merge_settings(dev, &st);
+ if (st.flags & DEV_OPT_MTU)
+ blobmsg_add_u32(b, "mtu", st.mtu);
+ if (st.flags & DEV_OPT_MTU6)
+ blobmsg_add_u32(b, "mtu6", st.mtu6);
+ if (st.flags & DEV_OPT_MACADDR)
+ blobmsg_add_string(b, "macaddr", format_macaddr(st.macaddr));
+ if (st.flags & DEV_OPT_TXQUEUELEN)
+ blobmsg_add_u32(b, "txqueuelen", st.txqueuelen);
+ if (st.flags & DEV_OPT_IPV6)
+ blobmsg_add_u8(b, "ipv6", st.ipv6);
+ if (st.flags & DEV_OPT_PROMISC)
+ blobmsg_add_u8(b, "promisc", st.promisc);
+ if (st.flags & DEV_OPT_RPFILTER)
+ blobmsg_add_u32(b, "rpfilter", st.rpfilter);
+ if (st.flags & DEV_OPT_ACCEPTLOCAL)
+ blobmsg_add_u8(b, "acceptlocal", st.acceptlocal);
+ if (st.flags & DEV_OPT_IGMPVERSION)
+ blobmsg_add_u32(b, "igmpversion", st.igmpversion);
+ if (st.flags & DEV_OPT_MLDVERSION)
+ blobmsg_add_u32(b, "mldversion", st.mldversion);
+ if (st.flags & DEV_OPT_NEIGHREACHABLETIME) {
+ blobmsg_add_u32(b, "neigh4reachabletime", st.neigh4reachabletime);
+ blobmsg_add_u32(b, "neigh6reachabletime", st.neigh6reachabletime);
+ }
+ if (st.flags & DEV_OPT_NEIGHGCSTALETIME) {
+ blobmsg_add_u32(b, "neigh4gcstaletime", st.neigh4gcstaletime);
+ blobmsg_add_u32(b, "neigh6gcstaletime", st.neigh6gcstaletime);
+ }
+ if (st.flags & DEV_OPT_DADTRANSMITS)
+ blobmsg_add_u32(b, "dadtransmits", st.dadtransmits);
+ if (st.flags & DEV_OPT_MULTICAST_TO_UNICAST)
+ blobmsg_add_u8(b, "multicast_to_unicast", st.multicast_to_unicast);
+ if (st.flags & DEV_OPT_MULTICAST_ROUTER)
+ blobmsg_add_u32(b, "multicast_router", st.multicast_router);
+ if (st.flags & DEV_OPT_MULTICAST_FAST_LEAVE)
+ blobmsg_add_u8(b, "multicast_fast_leave", st.multicast_fast_leave);
+ if (st.flags & DEV_OPT_MULTICAST)
+ blobmsg_add_u8(b, "multicast", st.multicast);
+ if (st.flags & DEV_OPT_LEARNING)
+ blobmsg_add_u8(b, "learning", st.learning);
+ if (st.flags & DEV_OPT_UNICAST_FLOOD)
+ blobmsg_add_u8(b, "unicast_flood", st.unicast_flood);
+ }
s = blobmsg_open_table(b, "statistics");
if (dev->type->dump_stats)
system_if_dump_stats(dev, b);
blobmsg_close_table(b, s);
}
+
+static void __init simple_device_type_init(void)
+{
+ device_type_add(&simple_device_type);
+}
projects / project / netifd.git / blobdiff