#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_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_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 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[];
};
-struct bridge_vlan_hotplug_port {
- struct list_head list;
- struct bridge_vlan_port port;
-};
-
static void
bridge_reset_primary(struct bridge_state *bst)
{
if (bm->pvid == vlan->vid)
flags |= BRVLAN_F_PVID;
- system_bridge_vlan(port->ifname, vlan->vid, add, flags);
+ system_bridge_vlan(port->ifname, vlan->vid, -1, add, flags);
}
static void
if (!vlan->local && add)
return;
- system_bridge_vlan(bst->dev.ifname, vlan->vid, add, BRVLAN_F_SELF);
+ system_bridge_vlan(bst->dev.ifname, vlan->vid, -1, add, BRVLAN_F_SELF);
}
static void
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->has_vlans) {
/* delete default VLAN 1 */
- system_bridge_vlan(bst->dev.ifname, 1, false, BRVLAN_F_SELF);
+ system_bridge_vlan(bst->dev.ifname, 1, -1, false, BRVLAN_F_SELF);
bridge_set_local_vlans(bst, true);
}
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)
{
bst->active = false;
}
+static void
+bridge_member_add_extra_vlans(struct bridge_member *bm)
+{
+ struct device *dev = bm->dev.dev;
+ int i;
+
+ for (i = 0; i < dev->n_extra_vlan; i++)
+ system_bridge_vlan(dev->ifname, dev->extra_vlan[i].start,
+ dev->extra_vlan[i].end, true, 0);
+}
+
static int
bridge_enable_member(struct bridge_member *bm)
{
bm->active = true;
if (bst->has_vlans) {
/* delete default VLAN 1 */
- system_bridge_vlan(bm->dev.dev->ifname, 1, false, 0);
+ system_bridge_vlan(bm->dev.dev->ifname, 1, -1, false, 0);
+ bridge_member_add_extra_vlans(bm);
vlist_for_each_element(&bst->dev.vlans, vlan, node)
bridge_set_member_vlan(bm, vlan, true);
}
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)
list_del(&port->list);
free(port);
+ free_port = true;
}
- }
- device_lock();
+ 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
device_set_present(dev, true);
}
- device_unlock();
-
free(bm);
}
uloop_timeout_set(&bst->retry, 100);
}
+static void
+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)
{
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;
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_create_member_vlans(struct bridge_state *bst, struct blob_attr *vlans, const char *ifname)
+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;
+ size_t rem;
if (!vlans)
return;
blobmsg_for_each_attr(cur, vlans, rem) {
struct bridge_vlan_hotplug_port *port;
- uint16_t flags = BRVLAN_F_UNTAGGED;
+ uint16_t flags = 0;
char *name_buf;
unsigned int vid;
char *end;
if (!vid || vid > 4095)
continue;
- vlan = vlist_find(&bst->dev.vlans, &vid, vlan, node);
+ 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;
+ case 'u':
+ flags |= BRVLAN_F_UNTAGGED;
break;
case '*':
flags |= BRVLAN_F_PVID;
}
}
+ 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);
}
}
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_hotplug_create_member_vlans(bst, vlan, member->ifname);
- 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;
}
bool tagged = !(port->flags & BRVLAN_F_UNTAGGED);
bool pvid = (port->flags & BRVLAN_F_PVID);
- blobmsg_printf(b, "%s%s%s%s\n", port->ifname,
+ blobmsg_printf(b, NULL, "%s%s%s%s", port->ifname,
tagged || pvid ? ":" : "",
tagged ? "t" : "",
pvid ? "*" : "");
static void
bridge_dump_info(struct device *dev, struct blob_buf *b)
{
+ struct bridge_config *cfg;
struct bridge_state *bst;
struct bridge_member *bm;
struct bridge_vlan *vlan;
void *list;
+ void *c;
bst = container_of(dev, struct bridge_state, dev);
+ cfg = &bst->config;
system_if_dump_info(dev, b);
list = blobmsg_open_array(b, "bridge-members");
blobmsg_close_array(b, list);
+ c = blobmsg_open_table(b, "bridge-attributes");
+
+ blobmsg_add_u8(b, "stp", cfg->stp);
+ blobmsg_add_u32(b, "forward_delay", cfg->forward_delay);
+ blobmsg_add_u32(b, "priority", cfg->priority);
+ blobmsg_add_u32(b, "ageing_time", cfg->ageing_time);
+ blobmsg_add_u32(b, "hello_time", cfg->hello_time);
+ blobmsg_add_u32(b, "max_age", cfg->max_age);
+ blobmsg_add_u8(b, "igmp_snooping", cfg->igmp_snoop);
+ blobmsg_add_u8(b, "bridge_empty", cfg->bridge_empty);
+ blobmsg_add_u8(b, "multicast_querier", cfg->multicast_querier);
+ blobmsg_add_u32(b, "hash_max", cfg->hash_max);
+ blobmsg_add_u32(b, "robustness", cfg->robustness);
+ blobmsg_add_u32(b, "query_interval", cfg->query_interval);
+ blobmsg_add_u32(b, "query_response_interval", cfg->query_response_interval);
+ blobmsg_add_u32(b, "last_member_interval", cfg->last_member_interval);
+ blobmsg_add_u8(b, "vlan_filtering", cfg->vlan_filtering);
+ blobmsg_add_u8(b, "stp_kernel", cfg->stp_kernel);
+ if (cfg->stp_proto)
+ blobmsg_add_string(b, "stp_proto", cfg->stp_proto);
+
+ blobmsg_close_table(b, c);
+
if (avl_is_empty(&dev->vlans.avl))
return;
struct bridge_state *bst;
struct bridge_vlan *vlan;
struct blob_attr *cur;
- int i, rem;
+ size_t rem;
+ int i;
bst = container_of(dev, struct bridge_state, dev);
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->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_dev, otb_dev, &device_attr_list, &diff);
- if (diff)
- ret = DEV_CONFIG_RESTART;
+ if (diff) {
+ ret = DEV_CONFIG_RESTART;
+ D(DEVICE, "Bridge %s device attributes have changed, diff=0x%lx\n",
+ dev->ifname, diff);
+ }
blobmsg_parse(bridge_attrs, __BRIDGE_ATTR_MAX, otb_br,
blob_data(bst->config_data), blob_len(bst->config_data));
diff = 0;
uci_blob_diff(tb_br, otb_br, &bridge_attr_list, &diff);
- if (diff & ~(1 << BRIDGE_ATTR_IFNAME))
- ret = DEV_CONFIG_RESTART;
+ if (diff & ~(1 << BRIDGE_ATTR_PORTS)) {
+ ret = DEV_CONFIG_RESTART;
+ D(DEVICE, "Bridge %s attributes have changed, diff=0x%lx\n",
+ dev->ifname, diff);
+ }
bridge_config_init(dev);
}
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;
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 *
bridge_create(const char *name, struct device_type *devtype,
struct blob_attr *attr)