#include <stdlib.h>
#include <stdio.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <net/ethernet.h>
+#include <uci.h>
#include "netifd.h"
#include "interface.h"
+#include "proto.h"
+#include "config.h"
-struct uci_context *uci_ctx;
-static struct uci_package *uci_network;
bool config_init = false;
+static struct uci_context *uci_ctx;
+static struct uci_package *uci_network;
+static struct blob_buf b;
+
static void uci_attr_to_blob(struct blob_buf *b, const char *str,
const char *name, enum blobmsg_type type)
{
free(str);
}
-static void uci_to_blob(struct blob_buf *b, struct uci_section *s,
- const struct config_param_list *p)
+static void __uci_to_blob(struct blob_buf *b, struct uci_section *s,
+ const struct config_param_list *p)
{
- const struct blobmsg_policy *attr;
+ const struct blobmsg_policy *attr = NULL;
struct uci_element *e;
struct uci_option *o;
void *array;
}
}
-static void
-config_parse_interface(struct uci_section *s)
+static void uci_to_blob(struct blob_buf *b, struct uci_section *s,
+ const struct config_param_list *p)
{
- struct blob_buf b = {};
-
- DPRINTF("Create interface '%s'\n", s->e.name);
+ int i;
- blob_buf_init(&b, 0);
- uci_to_blob(&b, s, &interface_attr_list);
- alloc_interface(s->e.name, s, b.head);
+ __uci_to_blob(b, s, p);
+ for (i = 0; i < p->n_next; i++)
+ uci_to_blob(b, s, p->next[i]);
}
-enum {
- SDEV_NAME,
- SDEV_TYPE,
- SDEV_MTU,
- SDEV_MACADDR,
- SDEV_TXQUEUELEN,
- __SDEV_MAX,
-};
-
-static const struct uci_parse_option dev_opts[__SDEV_MAX] = {
- [SDEV_NAME] = { "name", UCI_TYPE_STRING },
- [SDEV_TYPE] = { "type", UCI_TYPE_STRING },
- [SDEV_MTU] = { "mtu", UCI_TYPE_STRING },
- [SDEV_MACADDR] = { "macaddr", UCI_TYPE_STRING },
- [SDEV_TXQUEUELEN] = { "txqueuelen", UCI_TYPE_STRING },
-};
-
-static bool
-add_int_option(struct uci_option *o, unsigned int *dest)
+static int
+config_parse_bridge_interface(struct uci_section *s)
{
- char *error = NULL;
- int val;
+ char *name;
- if (!o)
- return false;
+ name = alloca(strlen(s->e.name) + 4);
+ sprintf(name, "br-%s", s->e.name);
+ blobmsg_add_string(&b, "name", name);
- val = strtoul(o->v.string, &error, 0);
- if (error && *error)
- return false;
+ uci_to_blob(&b, s, bridge_device_type.config_params);
+ if (!device_create(name, &bridge_device_type, b.head)) {
+ D(INTERFACE, "Failed to create bridge for interface '%s'\n", s->e.name);
+ return -EINVAL;
+ }
- *dest = val;
- return true;
+ blob_buf_init(&b, 0);
+ blobmsg_add_string(&b, "ifname", name);
+ return 0;
}
static void
-config_init_device_settings(struct device *dev, struct uci_option **opts)
+config_parse_interface(struct uci_section *s)
{
- struct ether_addr *ea;
+ struct interface *iface;
+ const char *type;
+ struct blob_attr *config;
+
+ blob_buf_init(&b, 0);
+
+ type = uci_lookup_option_string(uci_ctx, s, "type");
+ if (type && !strcmp(type, "bridge"))
+ if (config_parse_bridge_interface(s))
+ return;
- dev->flags = 0;
+ uci_to_blob(&b, s, &interface_attr_list);
+ iface = calloc(1, sizeof(*iface));
+ if (!iface)
+ return;
- if (add_int_option(opts[SDEV_MTU], &dev->mtu))
- dev->flags |= DEV_OPT_MTU;
+ interface_init(iface, s->e.name, b.head);
- if (add_int_option(opts[SDEV_TXQUEUELEN], &dev->txqueuelen))
- dev->flags |= DEV_OPT_TXQUEUELEN;
+ if (iface->proto_handler && iface->proto_handler->config_params)
+ uci_to_blob(&b, s, iface->proto_handler->config_params);
- if (opts[SDEV_MACADDR]) {
- ea = ether_aton(opts[SDEV_MACADDR]->v.string);
- if (ea) {
- memcpy(dev->macaddr, ea, sizeof(dev->macaddr));
- dev->flags |= DEV_OPT_MACADDR;
- }
+ config = malloc(blob_pad_len(b.head));
+ if (!config) {
+ free(iface);
+ return;
}
+
+ memcpy(config, b.head, blob_pad_len(b.head));
+ interface_add(iface, config);
}
-void
+static void
config_init_devices(void)
{
struct uci_element *e;
- struct device *dev;
- struct uci_option *opts[__SDEV_MAX];
uci_foreach_element(&uci_network->sections, e) {
struct uci_section *s = uci_to_section(e);
+ const struct device_type *devtype;
+ const char *type, *name;
if (strcmp(s->type, "device") != 0)
continue;
- uci_parse_section(s, dev_opts, __SDEV_MAX, opts);
- if (!opts[SDEV_NAME])
+ name = uci_lookup_option_string(uci_ctx, s, "name");
+ if (!name)
continue;
- dev = NULL;
- if (opts[SDEV_TYPE]) {
- const char *type = opts[SDEV_TYPE]->v.string;
+ type = uci_lookup_option_string(uci_ctx, s, "type");
+ if (type && !strcmp(type, "bridge"))
+ devtype = &bridge_device_type;
+ else
+ devtype = &simple_device_type;
- if (!strcmp(type, "bridge"))
- dev = bridge_create(opts[SDEV_NAME]->v.string, s);
- } else {
- dev = get_device(opts[SDEV_NAME]->v.string, true);
- }
+ blob_buf_init(&b, 0);
+ uci_to_blob(&b, s, devtype->config_params);
+ device_create(name, devtype, b.head);
+ }
+}
+
+bool
+config_diff(struct blob_attr **tb1, struct blob_attr **tb2,
+ const struct config_param_list *config, unsigned long *diff)
+{
+ bool ret = false;
+ int i;
- if (!dev)
+ for (i = 0; i < config->n_params; i++) {
+ if (!tb1[i] && !tb2[i])
continue;
- config_init_device_settings(dev, opts);
- dev->config_hash = uci_hash_options(opts, __SDEV_MAX);
+ if (!!tb1[i] != !!tb2[i])
+ goto mark;
+
+ if (blob_len(tb1[i]) != blob_len(tb2[i]))
+ goto mark;
+
+ if (memcmp(tb1[i], tb2[i], blob_raw_len(tb1[i])) != 0)
+ goto mark;
+
+ continue;
+
+mark:
+ ret = true;
+ if (diff)
+ set_bit(diff, i);
+ else
+ return ret;
}
+
+ return ret;
+}
+
+
+static bool
+__config_check_equal(struct blob_attr *c1, struct blob_attr *c2,
+ const struct config_param_list *config)
+{
+ struct blob_attr **tb1, **tb2;
+
+ tb1 = alloca(config->n_params * sizeof(struct blob_attr *));
+ blobmsg_parse(config->params, config->n_params, tb1,
+ blob_data(c1), blob_len(c1));
+
+ tb2 = alloca(config->n_params * sizeof(struct blob_attr *));
+ blobmsg_parse(config->params, config->n_params, tb2,
+ blob_data(c2), blob_len(c2));
+
+ return !config_diff(tb1, tb2, config, NULL);
+}
+
+bool
+config_check_equal(struct blob_attr *c1, struct blob_attr *c2,
+ const struct config_param_list *config)
+{
+ int i;
+
+ if (!__config_check_equal(c1, c2, config))
+ return false;
+
+ for (i = 0; i < config->n_next; i++) {
+ if (!__config_check_equal(c1, c2, config->next[i]))
+ return false;
+ }
+
+ return true;
+}
+
+struct blob_attr *
+config_memdup(struct blob_attr *attr)
+{
+ struct blob_attr *ret;
+ int size = blob_pad_len(attr);
+
+ ret = malloc(size);
+ if (!ret)
+ return NULL;
+
+ memcpy(ret, attr, size);
+ return ret;
+}
+
+static struct uci_package *
+config_init_package(const char *config)
+{
+ struct uci_context *ctx = uci_ctx;
+ struct uci_package *p = NULL;
+
+ if (!ctx) {
+ ctx = uci_alloc_context();
+ uci_ctx = ctx;
+
+#ifdef DUMMY_MODE
+ uci_set_confdir(ctx, "./config");
+ uci_set_savedir(ctx, "./tmp");
+#endif
+ } else {
+ p = uci_lookup_package(ctx, config);
+ if (p)
+ uci_unload(ctx, p);
+ }
+
+ if (uci_load(ctx, "network", &p))
+ return NULL;
+
+ return p;
}
void
config_init_interfaces(const char *name)
{
- struct uci_context *ctx;
struct uci_package *p = NULL;
struct uci_element *e;
- ctx = uci_alloc_context();
- uci_ctx = ctx;
-
- uci_set_confdir(ctx, "./config");
-
- if (uci_load(ctx, "network", &p)) {
+ p = config_init_package("network");
+ if (!p) {
fprintf(stderr, "Failed to load network config\n");
return;
}
uci_network = p;
config_init = true;
+ device_reset_config();
config_init_devices();
uci_foreach_element(&p->sections, e) {
if (!strcmp(s->type, "interface"))
config_parse_interface(s);
}
- cleanup_devices();
config_init = false;
- start_pending_interfaces();
+ device_reset_old();
+ device_init_pending();
+ device_free_unused(NULL);
+ interface_start_pending();
}