IFACE_ATTR_PEERDNS,
IFACE_ATTR_DNS,
IFACE_ATTR_DNS_SEARCH,
+ IFACE_ATTR_DNS_METRIC,
IFACE_ATTR_METRIC,
IFACE_ATTR_INTERFACE,
IFACE_ATTR_IP6ASSIGN,
IFACE_ATTR_DELEGATE,
IFACE_ATTR_IP6IFACEID,
IFACE_ATTR_FORCE_LINK,
+ IFACE_ATTR_IP6WEIGHT,
IFACE_ATTR_MAX
};
[IFACE_ATTR_METRIC] = { .name = "metric", .type = BLOBMSG_TYPE_INT32 },
[IFACE_ATTR_DNS] = { .name = "dns", .type = BLOBMSG_TYPE_ARRAY },
[IFACE_ATTR_DNS_SEARCH] = { .name = "dns_search", .type = BLOBMSG_TYPE_ARRAY },
+ [IFACE_ATTR_DNS_METRIC] = { .name = "dns_metric", .type = BLOBMSG_TYPE_INT32 },
[IFACE_ATTR_INTERFACE] = { .name = "interface", .type = BLOBMSG_TYPE_STRING },
[IFACE_ATTR_IP6ASSIGN] = { .name = "ip6assign", .type = BLOBMSG_TYPE_INT32 },
[IFACE_ATTR_IP6HINT] = { .name = "ip6hint", .type = BLOBMSG_TYPE_STRING },
[IFACE_ATTR_DELEGATE] = { .name = "delegate", .type = BLOBMSG_TYPE_BOOL },
[IFACE_ATTR_IP6IFACEID] = { .name = "ip6ifaceid", .type = BLOBMSG_TYPE_STRING },
[IFACE_ATTR_FORCE_LINK] = { .name = "force_link", .type = BLOBMSG_TYPE_BOOL },
+ [IFACE_ATTR_IP6WEIGHT] = { .name = "ip6weight", .type = BLOBMSG_TYPE_INT32 },
};
const struct uci_blob_param_list interface_attr_list = {
};
static void
-set_config_state(struct interface *iface, enum interface_config_state s);
+interface_set_main_dev(struct interface *iface, struct device *dev);
static void
interface_event(struct interface *iface, enum interface_event ev);
static void
interface_clear_errors(struct interface *iface)
{
- /* don't flush the errors in case the configured protocol handler matches the
+ /* don't flush the errors in case the configured protocol handler matches the
running protocol handler and is having the last error capability */
if (!(iface->proto &&
- (iface->proto->handler->flags & PROTO_FLAG_LASTERROR) &&
- (iface->proto->handler->name == iface->proto_handler->name)))
+ (iface->proto->handler->flags & PROTO_FLAG_LASTERROR) &&
+ (iface->proto->handler->name == iface->proto_handler->name)))
interface_error_flush(iface);
}
int *datalen = NULL;
char *dest, *d_subsys, *d_code;
- /* if the configured protocol handler has the last error support capability,
+ /* if the configured protocol handler has the last error support capability,
errors should only be added if the running protocol handler matches the
configured one */
if (iface->proto &&
- (iface->proto->handler->flags & PROTO_FLAG_LASTERROR) &&
- (iface->proto->handler->name != iface->proto_handler->name))
+ (iface->proto->handler->flags & PROTO_FLAG_LASTERROR) &&
+ (iface->proto->handler->name != iface->proto_handler->name))
return;
if (n_data) {
}
n = calloc(1, sizeof(*n) + len);
+ if (!n)
+ return UBUS_STATUS_UNKNOWN_ERROR;
+
memcpy(n->data, data, len);
n->node.key = blobmsg_name(n->data);
avl_insert(&iface->data, &n->node);
adev = iface->l3_dev.dev;
/* fall through */
case IFEV_DOWN:
+ case IFEV_UP_FAILED:
alias_notify_device(iface->name, adev);
break;
default:
if (state == IFS_DOWN)
return;
+ iface->link_up_event = false;
iface->state = IFS_DOWN;
- if (state == IFS_UP)
+ switch (state) {
+ case IFS_UP:
+ case IFS_TEARDOWN:
interface_event(iface, IFEV_DOWN);
+ break;
+ case IFS_SETUP:
+ interface_event(iface, IFEV_UP_FAILED);
+ break;
+ default:
+ break;
+ }
interface_ip_set_enabled(&iface->config_ip, false);
interface_ip_set_enabled(&iface->proto_ip, false);
interface_ip_flush(&iface->proto_ip);
system_flush_routes();
}
-void
+static inline void
+__set_config_state(struct interface *iface, enum interface_config_state s)
+{
+ iface->config_state = s;
+}
+
+static void
__interface_set_down(struct interface *iface, bool force)
{
enum interface_state state = iface->state;
case IFS_UP:
case IFS_SETUP:
iface->state = IFS_TEARDOWN;
+ if (iface->dynamic)
+ __set_config_state(iface, IFC_REMOVE);
+
if (state == IFS_UP)
interface_event(iface, IFEV_DOWN);
case IFS_UP:
case IFS_SETUP:
if (!iface->enabled || !link_state) {
+ iface->state = IFS_TEARDOWN;
+ if (iface->dynamic)
+ __set_config_state(iface, IFC_REMOVE);
+
interface_proto_event(iface->proto, PROTO_CMD_TEARDOWN, false);
- mark_interface_down(iface);
}
break;
case IFS_DOWN:
netifd_log_message(L_NOTICE, "Interface '%s' has link connectivity %s\n", iface->name, new_state ? "" : "loss");
iface->link_state = new_state;
interface_check_state(iface);
+
+ if (new_state && iface->force_link && iface->state == IFS_UP && !iface->link_up_event) {
+ interface_event(iface, IFEV_LINK_UP);
+ iface->link_up_event = true;
+ }
}
static void
interface_main_dev_cb(struct device_user *dep, enum device_event ev)
{
struct interface *iface;
- bool new_state = false;
iface = container_of(dep, struct interface, main_dev);
switch (ev) {
case DEV_EVENT_ADD:
- new_state = true;
+ interface_set_available(iface, true);
+ break;
case DEV_EVENT_REMOVE:
- interface_set_available(iface, new_state);
- if (!new_state && dep->dev && dep->dev->external)
+ interface_set_available(iface, false);
+ if (dep->dev && dep->dev->external)
interface_set_main_dev(iface, NULL);
break;
case DEV_EVENT_UP:
- new_state = true;
+ interface_set_enabled(iface, true);
+ break;
case DEV_EVENT_DOWN:
- interface_set_enabled(iface, new_state);
+ interface_set_enabled(iface, false);
break;
case DEV_EVENT_LINK_UP:
- new_state = true;
+ interface_set_link_state(iface, true);
+ break;
case DEV_EVENT_LINK_DOWN:
- interface_set_link_state(iface, new_state);
+ interface_set_link_state(iface, false);
break;
case DEV_EVENT_TOPO_CHANGE:
interface_proto_event(iface->proto, PROTO_CMD_RENEW, false);
switch (ev) {
case DEV_EVENT_LINK_DOWN:
- interface_proto_event(iface->proto, PROTO_CMD_TEARDOWN, false);
+ if (iface->proto_handler->flags & PROTO_FLAG_TEARDOWN_ON_L3_LINK_DOWN)
+ interface_proto_event(iface->proto, PROTO_CMD_TEARDOWN, false);
break;
default:
break;
if (blobmsg_type(cur) != BLOBMSG_TYPE_STRING)
continue;
- if (!blobmsg_check_attr(cur, NULL))
+ if (!blobmsg_check_attr(cur, false))
continue;
struct interface_assignment_class *c = malloc(sizeof(*c) + blobmsg_data_len(cur));
bool changed = (old->assignment_hint != new->assignment_hint ||
old->assignment_length != new->assignment_length ||
old->assignment_iface_id_selection != new->assignment_iface_id_selection ||
+ old->assignment_weight != new->assignment_weight ||
(old->assignment_iface_id_selection == IFID_FIXED &&
memcmp(&old->assignment_fixed_iface_id, &new->assignment_fixed_iface_id,
sizeof(old->assignment_fixed_iface_id))) ||
struct interface_assignment_class *c;
list_for_each_entry(c, &new->assignment_classes, head) {
- // Compare list entries one-by-one to see if there was a change
- if (list_empty(&old->assignment_classes)) // The new list is longer
+ /* Compare list entries one-by-one to see if there was a change */
+ if (list_empty(&old->assignment_classes)) /* The new list is longer */
changed = true;
if (changed)
struct interface_assignment_class *c_old = list_first_entry(&old->assignment_classes,
struct interface_assignment_class, head);
- if (strcmp(c_old->name, c->name)) // An entry didn't match
+ if (strcmp(c_old->name, c->name)) /* An entry didn't match */
break;
list_del(&c_old->head);
free(c_old);
}
- // The old list was longer than the new one or the last entry didn't match
+ /* The old list was longer than the new one or the last entry didn't match */
if (!list_empty(&old->assignment_classes)) {
interface_clear_assignment_classes(old);
changed = true;
old->assignment_length = new->assignment_length;
old->assignment_iface_id_selection = new->assignment_iface_id_selection;
old->assignment_fixed_iface_id = new->assignment_fixed_iface_id;
+ old->assignment_weight = new->assignment_weight;
interface_refresh_assignments(true);
}
}
interface_set_available(alias, true);
break;
case IFEV_DOWN:
+ case IFEV_UP_FAILED:
interface_set_available(alias, false);
interface_set_main_dev(alias, NULL);
break;
case IFEV_FREE:
interface_remove_user(dep);
break;
- case IFEV_RELOAD:
- case IFEV_UPDATE:
+ default:
break;
}
}
if (iface->parent_iface.iface)
interface_remove_user(&iface->parent_iface);
+ device_lock();
+
if (iface->parent_ifname) {
parent = vlist_find(&interfaces, iface->parent_ifname, parent, node);
iface->parent_iface.cb = interface_alias_cb;
if (dev)
interface_set_main_dev(iface, dev);
+ device_unlock();
+
if (iface->proto_handler->flags & PROTO_FLAG_INIT_AVAILABLE)
interface_set_available(iface, true);
}
interface_do_free(iface);
return;
}
- if (iface->autostart && iface->available)
+ if (iface->autostart)
interface_set_up(iface);
- else if (iface->dynamic)
- set_config_state(iface, IFC_REMOVE);
}
static void
switch (ev) {
case IFPEV_UP:
if (iface->state != IFS_SETUP) {
- interface_event(iface, IFEV_UPDATE);
+ if (iface->state == IFS_UP && iface->updated)
+ interface_event(iface, IFEV_UPDATE);
return;
}
}
struct interface *
-interface_alloc(const char *name, struct blob_attr *config)
+interface_alloc(const char *name, struct blob_attr *config, bool dynamic)
{
struct interface *iface;
struct blob_attr *tb[IFACE_ATTR_MAX];
iface->autostart = blobmsg_get_bool_default(tb[IFACE_ATTR_AUTO], true);
iface->force_link = blobmsg_get_bool_default(tb[IFACE_ATTR_FORCE_LINK], force_link);
+ iface->dynamic = dynamic;
iface->proto_ip.no_defaultroute =
!blobmsg_get_bool_default(tb[IFACE_ATTR_DEFAULTROUTE], true);
iface->proto_ip.no_dns =
if ((cur = tb[IFACE_ATTR_DNS_SEARCH]))
interface_add_dns_search_list(&iface->config_ip, cur);
+ if ((cur = tb[IFACE_ATTR_DNS_METRIC]))
+ iface->dns_metric = blobmsg_get_u32(cur);
+
if ((cur = tb[IFACE_ATTR_METRIC]))
iface->metric = blobmsg_get_u32(cur);
}
iface->assignment_hint = -1;
- if ((cur = tb[IFACE_ATTR_IP6HINT]))
- iface->assignment_hint = strtol(blobmsg_get_string(cur), NULL, 16) &
- ~((1 << (64 - iface->assignment_length)) - 1);
+ if ((cur = tb[IFACE_ATTR_IP6HINT])) {
+ int32_t assignment_hint = strtol(blobmsg_get_string(cur), NULL, 16);
+
+ iface->assignment_hint = assignment_hint & ~((1 << (64 - iface->assignment_length)) - 1);
+
+ if (iface->assignment_hint != assignment_hint)
+ netifd_log_message(L_WARNING, "Using truncated assignment hint %d (0x%x) for interface '%s'\n",
+ iface->assignment_hint, iface->assignment_hint, iface->name);
+ }
if ((cur = tb[IFACE_ATTR_IP6CLASS]))
interface_add_assignment_classes(iface, cur);
+ if ((cur = tb[IFACE_ATTR_IP6WEIGHT]))
+ iface->assignment_weight = blobmsg_get_u32(cur);
if ((cur = tb[IFACE_ATTR_IP4TABLE])) {
if (!system_resolve_rt_table(blobmsg_data(cur), &iface->ip4table))
return iface;
}
-void interface_set_dynamic(struct interface *iface)
-{
- iface->dynamic = true;
- iface->autostart = true;
- iface->node.version = -1; // Don't delete on reload
-}
-
static bool __interface_add(struct interface *iface, struct blob_attr *config, bool alias)
{
struct blob_attr *tb[IFACE_ATTR_MAX];
struct blob_attr *cur;
+ char *name = NULL;
blobmsg_parse(iface_attrs, IFACE_ATTR_MAX, tb,
blob_data(config), blob_len(config));
iface->ifname = blobmsg_data(cur);
}
+ if (iface->dynamic) {
+ name = strdup(iface->name);
+
+ if (!name)
+ return false;
+ }
+
iface->config = config;
vlist_add(&interfaces, &iface->node, iface->name);
+
+ if (name) {
+ iface = vlist_find(&interfaces, name, iface, node);
+ free(name);
+
+ /* Don't delete dynamic interface on reload */
+ if (iface)
+ iface->node.version = -1;
+ }
+
return true;
}
-void
+bool
interface_add(struct interface *iface, struct blob_attr *config)
{
- __interface_add(iface, config, false);
+ return __interface_add(iface, config, false);
}
bool
}
}
-void
+static void
interface_set_main_dev(struct interface *iface, struct device *dev)
{
bool claimed = iface->l3_dev.claimed;
interface_set_l3_dev(iface, dev);
}
-int
+static int
interface_remove_link(struct interface *iface, struct device *dev)
{
struct device *mdev = iface->main_dev.dev;
return ret;
}
-int
+void
interface_set_up(struct interface *iface)
{
int ret;
+ const char *error = NULL;
iface->autostart = true;
if (iface->state != IFS_DOWN)
- return 0;
+ return;
interface_clear_errors(iface);
- if (!iface->available) {
- interface_add_error(iface, "interface", "NO_DEVICE", NULL, 0);
- return -1;
- }
-
- if (iface->main_dev.dev) {
- ret = device_claim(&iface->main_dev);
- if (!ret)
- interface_check_state(iface);
- }
- else
- ret = __interface_set_up(iface);
+ if (iface->available) {
+ if (iface->main_dev.dev) {
+ ret = device_claim(&iface->main_dev);
+ if (!ret)
+ interface_check_state(iface);
+ else
+ error = "DEVICE_CLAIM_FAILED";
+ } else {
+ ret = __interface_set_up(iface);
+ if (ret)
+ error = "SETUP_FAILED";
+ }
+ } else
+ error = "NO_DEVICE";
- return ret;
+ if (error)
+ interface_add_error(iface, "interface", error, NULL, 0);
}
-int
+void
interface_set_down(struct interface *iface)
{
if (!iface) {
iface->autostart = false;
__interface_set_down(iface, false);
}
+}
- return 0;
+int
+interface_renew(struct interface *iface)
+{
+ if (iface->state == IFS_TEARDOWN || iface->state == IFS_DOWN)
+ return -1;
+
+ return interface_proto_event(iface->proto, PROTO_CMD_RENEW, false);
}
void
struct interface *iface;
vlist_for_each_element(&interfaces, iface, node) {
- if (iface->available && iface->autostart)
+ if (iface->autostart)
interface_set_up(iface);
}
}
static void
set_config_state(struct interface *iface, enum interface_config_state s)
{
- iface->config_state = s;
+ __set_config_state(iface, s);
if (iface->state == IFS_DOWN)
interface_handle_config_change(iface);
else
}
void
-interface_update_start(struct interface *iface)
+interface_update_start(struct interface *iface, const bool keep_old)
{
iface->updated = 0;
- interface_ip_update_start(&iface->proto_ip);
+
+ if (!keep_old)
+ interface_ip_update_start(&iface->proto_ip);
}
void
interface_change_config(struct interface *if_old, struct interface *if_new)
{
struct blob_attr *old_config = if_old->config;
- bool reload = false, reload_ip = false;
+ bool reload = false, reload_ip = false, update_prefix_delegation = false;
#define FIELD_CHANGED_STR(field) \
((!!if_old->field != !!if_new->field) || \
if_old->config_autostart = if_new->config_autostart;
if_old->ifname = if_new->ifname;
if_old->parent_ifname = if_new->parent_ifname;
+ if_old->dynamic = if_new->dynamic;
if_old->proto_handler = if_new->proto_handler;
if_old->force_link = if_new->force_link;
+ if_old->dns_metric = if_new->dns_metric;
+
+ if (if_old->proto_ip.no_delegation != if_new->proto_ip.no_delegation) {
+ if_old->proto_ip.no_delegation = if_new->proto_ip.no_delegation;
+ update_prefix_delegation = true;
+ }
if_old->proto_ip.no_dns = if_new->proto_ip.no_dns;
interface_replace_dns(&if_old->config_ip, &if_new->config_ip);
interface_ip_set_enabled(&if_old->config_ip, config_ip_enabled);
}
+ if (update_prefix_delegation)
+ interface_update_prefix_delegation(&if_old->proto_ip);
+
interface_write_resolv_conf();
if (if_old->main_dev.dev)
interface_check_state(if_old);
set_config_state(if_old, IFC_REMOVE);
} else if (node_new) {
D(INTERFACE, "Create interface '%s'\n", if_new->name);
+ interface_event(if_new, IFEV_CREATE);
proto_init_interface(if_new, if_new->config);
interface_claim_device(if_new);
netifd_ubus_add_interface(if_new);
projects / project / netifd.git / blobdiff