#include "device.h"
#include "interface.h"
#include "system.h"
+#include "ubus.h"
enum {
- BRIDGE_ATTR_IFNAME,
+ BRIDGE_ATTR_PORTS,
BRIDGE_ATTR_STP,
BRIDGE_ATTR_FORWARD_DELAY,
BRIDGE_ATTR_PRIORITY,
BRIDGE_ATTR_QUERY_RESPONSE_INTERVAL,
BRIDGE_ATTR_LAST_MEMBER_INTERVAL,
BRIDGE_ATTR_VLAN_FILTERING,
+ BRIDGE_ATTR_HAS_VLANS,
+ BRIDGE_ATTR_STP_KERNEL,
+ BRIDGE_ATTR_STP_PROTO,
__BRIDGE_ATTR_MAX
};
static const struct blobmsg_policy bridge_attrs[__BRIDGE_ATTR_MAX] = {
- [BRIDGE_ATTR_IFNAME] = { "ifname", BLOBMSG_TYPE_ARRAY },
+ [BRIDGE_ATTR_PORTS] = { "ports", BLOBMSG_TYPE_ARRAY },
[BRIDGE_ATTR_STP] = { "stp", BLOBMSG_TYPE_BOOL },
[BRIDGE_ATTR_FORWARD_DELAY] = { "forward_delay", BLOBMSG_TYPE_INT32 },
[BRIDGE_ATTR_PRIORITY] = { "priority", BLOBMSG_TYPE_INT32 },
[BRIDGE_ATTR_QUERY_RESPONSE_INTERVAL] = { "query_response_interval", BLOBMSG_TYPE_INT32 },
[BRIDGE_ATTR_LAST_MEMBER_INTERVAL] = { "last_member_interval", BLOBMSG_TYPE_INT32 },
[BRIDGE_ATTR_VLAN_FILTERING] = { "vlan_filtering", BLOBMSG_TYPE_BOOL },
+ [BRIDGE_ATTR_HAS_VLANS] = { "__has_vlans", BLOBMSG_TYPE_BOOL }, /* internal */
+ [BRIDGE_ATTR_STP_KERNEL] = { "stp_kernel", BLOBMSG_TYPE_BOOL },
+ [BRIDGE_ATTR_STP_PROTO] = { "stp_proto", BLOBMSG_TYPE_STRING },
};
static const struct uci_blob_param_info bridge_attr_info[__BRIDGE_ATTR_MAX] = {
- [BRIDGE_ATTR_IFNAME] = { .type = BLOBMSG_TYPE_STRING },
+ [BRIDGE_ATTR_PORTS] = { .type = BLOBMSG_TYPE_STRING },
};
static const struct uci_blob_param_list bridge_attr_list = {
.next = { &device_attr_list },
};
+static struct blob_buf b;
static struct device *bridge_create(const char *name, struct device_type *devtype,
struct blob_attr *attr);
static void bridge_config_init(struct device *dev);
+static void bridge_dev_vlan_update(struct device *dev);
static void bridge_free(struct device *dev);
+static void bridge_stp_init(struct device *dev);
static void bridge_dump_info(struct device *dev, struct blob_buf *b);
static enum dev_change_type
bridge_reload(struct device *dev, struct blob_attr *attr);
.create = bridge_create,
.config_init = bridge_config_init,
+ .vlan_update = bridge_dev_vlan_update,
.reload = bridge_reload,
.free = bridge_free,
.dump_info = bridge_dump_info,
+ .stp_init = bridge_stp_init,
};
struct bridge_state {
struct blob_attr *config_data;
struct bridge_config config;
- struct blob_attr *ifnames;
+ struct blob_attr *ports;
bool active;
bool force_active;
+ bool has_vlans;
struct uloop_timeout retry;
struct bridge_member *primary_port;
struct vlist_node node;
struct bridge_state *bst;
struct device_user dev;
+ struct uloop_timeout check_timer;
uint16_t pvid;
bool present;
+ bool active;
char name[];
};
static struct bridge_vlan_port *
bridge_find_vlan_member_port(struct bridge_member *bm, struct bridge_vlan *vlan)
{
+ struct bridge_vlan_hotplug_port *port;
const char *ifname = bm->dev.dev->ifname;
int i;
return &vlan->ports[i];
}
+ list_for_each_entry(port, &vlan->hotplug_ports, list) {
+ if (strcmp(port->port.ifname, ifname) != 0)
+ continue;
+
+ return &port->port;
+ }
+
return NULL;
}
}
static void
-brigde_set_local_vlan(struct bridge_state *bst, struct bridge_vlan *vlan, bool add)
+bridge_set_local_vlan(struct bridge_state *bst, struct bridge_vlan *vlan, bool add)
{
if (!vlan->local && add)
return;
struct bridge_vlan *vlan;
vlist_for_each_element(&bst->dev.vlans, vlan, node)
- brigde_set_local_vlan(bst, vlan, add);
+ bridge_set_local_vlan(bst, vlan, add);
}
static struct bridge_vlan *
struct bridge_member *bm;
struct bridge_vlan *vlan2;
- brigde_set_local_vlan(bst, vlan, add);
+ bridge_set_local_vlan(bst, vlan, add);
vlist_for_each_element(&bst->members, bm, node) {
struct bridge_vlan_port *port;
}
static int
-bridge_disable_member(struct bridge_member *bm)
+bridge_disable_member(struct bridge_member *bm, bool keep_dev)
{
struct bridge_state *bst = bm->bst;
struct bridge_vlan *vlan;
- if (!bm->present)
+ if (!bm->present || !bm->active)
return 0;
+ bm->active = false;
vlist_for_each_element(&bst->dev.vlans, vlan, node)
bridge_set_member_vlan(bm, vlan, false);
system_bridge_delif(&bst->dev, bm->dev.dev);
- device_release(&bm->dev);
+ if (!keep_dev)
+ device_release(&bm->dev);
device_broadcast_event(&bst->dev, DEV_EVENT_TOPO_CHANGE);
return 0;
}
+static void bridge_stp_notify(struct bridge_state *bst)
+{
+ struct bridge_config *cfg = &bst->config;
+
+ if (!cfg->stp || cfg->stp_kernel)
+ return;
+
+ blob_buf_init(&b, 0);
+ blobmsg_add_string(&b, "name", bst->dev.ifname);
+ if (cfg->stp_proto)
+ blobmsg_add_string(&b, "proto", cfg->stp_proto);
+ blobmsg_add_u32(&b, "forward_delay", cfg->forward_delay);
+ blobmsg_add_u32(&b, "hello_time", cfg->hello_time);
+ blobmsg_add_u32(&b, "max_age", cfg->max_age);
+ if (cfg->flags & BRIDGE_OPT_AGEING_TIME)
+ blobmsg_add_u32(&b, "ageing_time", cfg->ageing_time);
+ netifd_ubus_device_notify("stp_init", b.head, 1000);
+}
+
static int
bridge_enable_interface(struct bridge_state *bst)
{
if (bst->active)
return 0;
+ bridge_stp_notify(bst);
ret = system_bridge_addbr(&bst->dev, &bst->config);
if (ret < 0)
return ret;
- if (bst->config.vlan_filtering) {
+ if (bst->has_vlans) {
/* delete default VLAN 1 */
system_bridge_vlan(bst->dev.ifname, 1, false, BRVLAN_F_SELF);
return 0;
}
+static void
+bridge_stp_init(struct device *dev)
+{
+ struct bridge_state *bst;
+
+ bst = container_of(dev, struct bridge_state, dev);
+ if (!bst->config.stp || !bst->active)
+ return;
+
+ bridge_stp_notify(bst);
+ system_bridge_set_stp_state(&bst->dev, false);
+ system_bridge_set_stp_state(&bst->dev, true);
+}
+
static void
bridge_disable_interface(struct bridge_state *bst)
{
{
struct bridge_state *bst = bm->bst;
struct bridge_vlan *vlan;
+ struct device *dev;
int ret;
if (!bm->present)
if (ret < 0)
goto error;
+ dev = bm->dev.dev;
+ if (dev->settings.auth && !dev->auth_status)
+ return -1;
+
+ if (bm->active)
+ return 0;
+
ret = system_bridge_addif(&bst->dev, bm->dev.dev);
if (ret < 0) {
D(DEVICE, "Bridge device %s could not be added\n", bm->dev.dev->ifname);
goto error;
}
- if (bst->config.vlan_filtering) {
+ bm->active = true;
+ if (bst->has_vlans) {
/* delete default VLAN 1 */
system_bridge_vlan(bm->dev.dev->ifname, 1, false, 0);
return;
if (bst->dev.active)
- bridge_disable_member(bm);
+ bridge_disable_member(bm, false);
bm->present = false;
bm->bst->n_present--;
static void
bridge_free_member(struct bridge_member *bm)
{
+ struct bridge_state *bst = bm->bst;
struct device *dev = bm->dev.dev;
+ const char *ifname = dev->ifname;
+ struct bridge_vlan *vlan;
bridge_remove_member(bm);
+
+restart:
+ vlist_for_each_element(&bst->dev.vlans, vlan, node) {
+ struct bridge_vlan_hotplug_port *port, *tmp;
+ bool free_port = false;
+
+ list_for_each_entry_safe(port, tmp, &vlan->hotplug_ports, list) {
+ if (strcmp(port->port.ifname, ifname) != 0)
+ continue;
+
+ list_del(&port->list);
+ free(port);
+ free_port = true;
+ }
+
+ if (!free_port || !list_empty(&vlan->hotplug_ports) ||
+ vlan->n_ports || vlan->node.version != -1)
+ continue;
+
+ vlist_delete(&bst->dev.vlans, &vlan->node);
+ goto restart;
+ }
+
device_remove_user(&bm->dev);
+ uloop_timeout_cancel(&bm->check_timer);
/*
* When reloading the config and moving a device from one bridge to
}
static void
-bridge_member_cb(struct device_user *dev, enum device_event ev)
+bridge_member_check_cb(struct uloop_timeout *t)
+{
+ struct bridge_member *bm;
+ struct bridge_state *bst;
+
+ bm = container_of(t, struct bridge_member, check_timer);
+ bst = bm->bst;
+
+ if (system_bridge_vlan_check(&bst->dev, bm->dev.dev->ifname) <= 0)
+ return;
+
+ bridge_disable_member(bm, true);
+ bridge_enable_member(bm);
+}
+
+static void
+bridge_member_cb(struct device_user *dep, enum device_event ev)
{
- struct bridge_member *bm = container_of(dev, struct bridge_member, dev);
+ struct bridge_member *bm = container_of(dep, struct bridge_member, dev);
struct bridge_state *bst = bm->bst;
+ struct device *dev = dep->dev;
switch (ev) {
case DEV_EVENT_ADD:
if (bst->n_present == 1)
device_set_present(&bst->dev, true);
- if (bst->dev.active && !bridge_enable_member(bm)) {
- /*
- * Adding a bridge member can overwrite the bridge mtu
- * in the kernel, apply the bridge settings in case the
- * bridge mtu is set
- */
- system_if_apply_settings(&bst->dev, &bst->dev.settings,
- DEV_OPT_MTU | DEV_OPT_MTU6);
- }
+ fallthrough;
+ case DEV_EVENT_AUTH_UP:
+ if (!bst->dev.active)
+ break;
+ if (bridge_enable_member(bm))
+ break;
+
+ /*
+ * Adding a bridge member can overwrite the bridge mtu
+ * in the kernel, apply the bridge settings in case the
+ * bridge mtu is set
+ */
+ system_if_apply_settings(&bst->dev, &bst->dev.settings,
+ DEV_OPT_MTU | DEV_OPT_MTU6);
+ break;
+ case DEV_EVENT_LINK_UP:
+ if (bst->has_vlans)
+ uloop_timeout_set(&bm->check_timer, 1000);
+ break;
+ case DEV_EVENT_LINK_DOWN:
+ if (!dev->settings.auth)
+ break;
+
+ bridge_disable_member(bm, true);
break;
case DEV_EVENT_REMOVE:
- if (dev->hotplug) {
+ if (dep->hotplug) {
vlist_delete(&bst->members, &bm->node);
return;
}
bst->set_state(&bst->dev, false);
vlist_for_each_element(&bst->members, bm, node)
- bridge_disable_member(bm);
+ bridge_disable_member(bm, false);
bridge_disable_interface(bst);
struct bridge_member *bm;
int ret;
+ bst->has_vlans = !avl_is_empty(&bst->dev.vlans.avl);
if (!bst->n_present) {
if (!bst->force_active)
return -ENOENT;
bm->bst = bst;
bm->dev.cb = bridge_member_cb;
bm->dev.hotplug = hotplug;
+ bm->check_timer.cb = bridge_member_check_cb;
strcpy(bm->name, name);
bm->dev.dev = dev;
vlist_add(&bst->members, &bm->node, bm->name);
bridge_create_member(bst, name, dev, false);
}
+static struct bridge_vlan *
+bridge_hotplug_get_vlan(struct bridge_state *bst, uint16_t vid)
+{
+ struct bridge_vlan *vlan;
+
+ vlan = vlist_find(&bst->dev.vlans, &vid, vlan, node);
+ if (vlan)
+ return vlan;
+
+ vlan = calloc(1, sizeof(*vlan));
+ vlan->vid = vid;
+ vlan->local = true;
+ INIT_LIST_HEAD(&vlan->hotplug_ports);
+ vlist_add(&bst->dev.vlans, &vlan->node, &vlan->vid);
+ vlan->node.version = -1;
+
+ return vlan;
+}
+
+static struct bridge_vlan_hotplug_port *
+bridge_hotplug_get_vlan_port(struct bridge_vlan *vlan, const char *ifname)
+{
+ struct bridge_vlan_hotplug_port *port;
+
+ list_for_each_entry(port, &vlan->hotplug_ports, list)
+ if (!strcmp(port->port.ifname, ifname))
+ return port;
+
+ return NULL;
+}
+
+static void
+bridge_hotplug_set_member_vlans(struct bridge_state *bst, struct blob_attr *vlans,
+ const char *ifname, struct bridge_member *bm, bool add)
+{
+ struct bridge_vlan *vlan;
+ struct blob_attr *cur;
+ int rem;
+
+ if (!vlans)
+ return;
+
+ blobmsg_for_each_attr(cur, vlans, rem) {
+ struct bridge_vlan_hotplug_port *port;
+ uint16_t flags = BRVLAN_F_UNTAGGED;
+ char *name_buf;
+ unsigned int vid;
+ char *end;
+
+ if (blobmsg_type(cur) != BLOBMSG_TYPE_STRING)
+ continue;
+
+ vid = strtoul(blobmsg_get_string(cur), &end, 0);
+ if (!vid || vid > 4095)
+ continue;
+
+ vlan = bridge_hotplug_get_vlan(bst, vid);
+ if (!vlan)
+ continue;
+
+ if (vlan->pending) {
+ vlan->pending = false;
+ bridge_set_vlan_state(bst, vlan, true);
+ }
+
+ if (end && *end) {
+ if (*end != ':')
+ continue;
+
+ for (end++; *end; end++) {
+ switch (*end) {
+ case 't':
+ flags &= ~BRVLAN_F_UNTAGGED;
+ break;
+ case '*':
+ flags |= BRVLAN_F_PVID;
+ break;
+ }
+ }
+ }
+
+ port = bridge_hotplug_get_vlan_port(vlan, ifname);
+ if (!add) {
+ if (!port)
+ continue;
+
+ __bridge_set_member_vlan(bm, vlan, &port->port, false);
+ list_del(&port->list);
+ free(port);
+ continue;
+ }
+
+ if (port) {
+ if (port->port.flags == flags)
+ continue;
+
+ __bridge_set_member_vlan(bm, vlan, &port->port, false);
+ port->port.flags = flags;
+ __bridge_set_member_vlan(bm, vlan, &port->port, true);
+ continue;
+ }
+
+ port = calloc_a(sizeof(*port), &name_buf, strlen(ifname) + 1);
+ if (!port)
+ continue;
+
+ port->port.flags = flags;
+ port->port.ifname = strcpy(name_buf, ifname);
+ list_add_tail(&port->list, &vlan->hotplug_ports);
+
+ if (!bm)
+ continue;
+
+ __bridge_set_member_vlan(bm, vlan, &port->port, true);
+ }
+}
+
static int
-bridge_hotplug_add(struct device *dev, struct device *member)
+bridge_hotplug_add(struct device *dev, struct device *member, struct blob_attr *vlan)
{
struct bridge_state *bst = container_of(dev, struct bridge_state, dev);
+ struct bridge_member *bm;
- bridge_create_member(bst, member->ifname, member, true);
+ bm = vlist_find(&bst->members, member->ifname, bm, node);
+ bridge_hotplug_set_member_vlans(bst, vlan, member->ifname, bm, true);
+ if (!bm)
+ bridge_create_member(bst, member->ifname, member, true);
return 0;
}
static int
-bridge_hotplug_del(struct device *dev, struct device *member)
+bridge_hotplug_del(struct device *dev, struct device *member, struct blob_attr *vlan)
{
struct bridge_state *bst = container_of(dev, struct bridge_state, dev);
struct bridge_member *bm;
if (!bm)
return UBUS_STATUS_NOT_FOUND;
+ bridge_hotplug_set_member_vlans(bst, vlan, member->ifname, bm, false);
+ if (!bm->dev.hotplug)
+ return 0;
+
vlist_delete(&bst->members, &bm->node);
return 0;
}
static int
-bridge_hotplug_prepare(struct device *dev)
+bridge_hotplug_prepare(struct device *dev, struct device **bridge_dev)
{
struct bridge_state *bst;
+ if (bridge_dev)
+ *bridge_dev = dev;
+
bst = container_of(dev, struct bridge_state, dev);
bst->force_active = true;
device_set_present(&bst->dev, true);
bst = container_of(dev, struct bridge_state, dev);
vlist_flush_all(&bst->members);
+ vlist_flush_all(&dev->vlans);
+ kvlist_free(&dev->vlan_aliases);
free(bst->config_data);
free(bst);
}
+static void
+bridge_dump_port(struct blob_buf *b, struct bridge_vlan_port *port)
+{
+ bool tagged = !(port->flags & BRVLAN_F_UNTAGGED);
+ bool pvid = (port->flags & BRVLAN_F_PVID);
+
+ blobmsg_printf(b, "%s%s%s%s\n", port->ifname,
+ tagged || pvid ? ":" : "",
+ tagged ? "t" : "",
+ pvid ? "*" : "");
+}
+
+static void
+bridge_dump_vlan(struct blob_buf *b, struct bridge_vlan *vlan)
+{
+ struct bridge_vlan_hotplug_port *port;
+ void *c, *p;
+ int i;
+
+ c = blobmsg_open_table(b, NULL);
+
+ blobmsg_add_u32(b, "id", vlan->vid);
+ blobmsg_add_u8(b, "local", vlan->local);
+
+ p = blobmsg_open_array(b, "ports");
+
+ for (i = 0; i < vlan->n_ports; i++)
+ bridge_dump_port(b, &vlan->ports[i]);
+
+ list_for_each_entry(port, &vlan->hotplug_ports, list)
+ bridge_dump_port(b, &port->port);
+
+ blobmsg_close_array(b, p);
+
+ blobmsg_close_table(b, c);
+}
+
static void
bridge_dump_info(struct device *dev, struct blob_buf *b)
{
struct bridge_state *bst;
struct bridge_member *bm;
+ struct bridge_vlan *vlan;
void *list;
bst = container_of(dev, struct bridge_state, dev);
}
blobmsg_close_array(b, list);
+
+ if (avl_is_empty(&dev->vlans.avl))
+ return;
+
+ list = blobmsg_open_array(b, "bridge-vlans");
+
+ vlist_for_each_element(&bst->dev.vlans, vlan, node)
+ bridge_dump_vlan(b, vlan);
+
+ blobmsg_close_array(b, list);
}
static void
bst->n_failed = 0;
vlist_update(&bst->members);
- if (bst->ifnames) {
- blobmsg_for_each_attr(cur, bst->ifnames, rem) {
+ if (bst->ports) {
+ blobmsg_for_each_attr(cur, bst->ports, rem) {
bridge_add_member(bst, blobmsg_data(cur));
}
}
struct blob_attr *cur;
/* defaults */
+ memset(cfg, 0, sizeof(*cfg));
cfg->stp = false;
- cfg->forward_delay = 2;
+ cfg->stp_kernel = false;
cfg->robustness = 2;
+ cfg->igmp_snoop = false;
+ cfg->multicast_querier = false;
cfg->query_interval = 12500;
cfg->query_response_interval = 1000;
cfg->last_member_interval = 100;
cfg->priority = 0x7FFF;
cfg->vlan_filtering = false;
+ cfg->forward_delay = 8;
+ cfg->max_age = 10;
+ cfg->hello_time = 1;
+
if ((cur = tb[BRIDGE_ATTR_STP]))
cfg->stp = blobmsg_get_bool(cur);
+ if ((cur = tb[BRIDGE_ATTR_STP_KERNEL]))
+ cfg->stp = blobmsg_get_bool(cur);
+
+ if ((cur = tb[BRIDGE_ATTR_STP_PROTO]))
+ cfg->stp_proto = blobmsg_get_string(cur);
+
if ((cur = tb[BRIDGE_ATTR_FORWARD_DELAY]))
cfg->forward_delay = blobmsg_get_u32(cur);
cfg->flags |= BRIDGE_OPT_AGEING_TIME;
}
- if ((cur = tb[BRIDGE_ATTR_HELLO_TIME])) {
+ if ((cur = tb[BRIDGE_ATTR_HELLO_TIME]))
cfg->hello_time = blobmsg_get_u32(cur);
- cfg->flags |= BRIDGE_OPT_HELLO_TIME;
- }
- if ((cur = tb[BRIDGE_ATTR_MAX_AGE])) {
+ if ((cur = tb[BRIDGE_ATTR_MAX_AGE]))
cfg->max_age = blobmsg_get_u32(cur);
- cfg->flags |= BRIDGE_OPT_MAX_AGE;
- }
if ((cur = tb[BRIDGE_ATTR_BRIDGE_EMPTY]))
cfg->bridge_empty = blobmsg_get_bool(cur);
if (tb_dev[DEV_ATTR_MACADDR])
bst->primary_port = NULL;
- bst->ifnames = tb_br[BRIDGE_ATTR_IFNAME];
+ bst->ports = tb_br[BRIDGE_ATTR_PORTS];
device_init_settings(dev, tb_dev);
bridge_apply_settings(bst, tb_br);
diff = 0;
uci_blob_diff(tb_br, otb_br, &bridge_attr_list, &diff);
- if (diff & ~(1 << BRIDGE_ATTR_IFNAME))
+ if (diff & ~(1 << BRIDGE_ATTR_PORTS))
ret = DEV_CONFIG_RESTART;
bridge_config_init(dev);
return true;
}
+static void
+bridge_vlan_free(struct bridge_vlan *vlan)
+{
+ struct bridge_vlan_hotplug_port *port, *tmp;
+
+ if (!vlan)
+ return;
+
+ list_for_each_entry_safe(port, tmp, &vlan->hotplug_ports, list)
+ free(port);
+
+ free(vlan);
+}
+
static void
bridge_vlan_update(struct vlist_tree *tree, struct vlist_node *node_new,
struct vlist_node *node_old)
struct bridge_state *bst = container_of(tree, struct bridge_state, dev.vlans);
struct bridge_vlan *vlan_new = NULL, *vlan_old = NULL;
- if (!bst->config.vlan_filtering || !bst->active)
+ if (!bst->has_vlans || !bst->active)
goto out;
if (node_old)
if (node_new)
vlan_new = container_of(node_new, struct bridge_vlan, node);
- if (node_new && node_old && bridge_vlan_equal(vlan_old, vlan_new))
+ if (node_new && node_old && bridge_vlan_equal(vlan_old, vlan_new)) {
+ list_splice_init(&vlan_old->hotplug_ports, &vlan_new->hotplug_ports);
goto out;
+ }
if (node_old)
bridge_set_vlan_state(bst, vlan_old, false);
+ if (node_old && node_new)
+ list_splice_init(&vlan_old->hotplug_ports, &vlan_new->hotplug_ports);
+
if (node_new)
- bridge_set_vlan_state(bst, vlan_new, true);
+ vlan_new->pending = true;
bst->dev.config_pending = true;
out:
- free(vlan_old);
+ bridge_vlan_free(vlan_old);
+}
+
+static void
+bridge_dev_vlan_update(struct device *dev)
+{
+ struct bridge_state *bst = container_of(dev, struct bridge_state, dev);
+ struct bridge_vlan *vlan;
+
+ vlist_for_each_element(&dev->vlans, vlan, node) {
+ if (!vlan->pending)
+ continue;
+
+ vlan->pending = false;
+ bridge_set_vlan_state(bst, vlan, true);
+ }
}
static struct device *
projects / project / netifd.git / blobdiff