system-linux: delete bridge devices using netlink
[project/netifd.git] / device.c
index 73cc4bfebd17253dced948a1b985f9d8928878e1..b3d0e85f8550de45fbabeb8f17028ddf8af1573e 100644 (file)
--- a/device.c
+++ b/device.c
@@ -24,6 +24,7 @@
 #include "netifd.h"
 #include "system.h"
 #include "config.h"
+#include "wireless.h"
 
 static struct list_head devtypes = LIST_HEAD_INIT(devtypes);
 static struct avl_tree devices;
@@ -36,6 +37,7 @@ static const struct blobmsg_policy dev_attrs[__DEV_ATTR_MAX] = {
        [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_IP6SEGMENTROUTING] = { .name = "ip6segmentrouting", .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 },
@@ -53,6 +55,14 @@ static const struct blobmsg_policy dev_attrs[__DEV_ATTR_MAX] = {
        [DEV_ATTR_SENDREDIRECTS] = { .name = "sendredirects", .type = BLOBMSG_TYPE_BOOL },
        [DEV_ATTR_NEIGHLOCKTIME] = { .name = "neighlocktime", .type = BLOBMSG_TYPE_INT32 },
        [DEV_ATTR_ISOLATE] = { .name = "isolate", .type = BLOBMSG_TYPE_BOOL },
+       [DEV_ATTR_DROP_V4_UNICAST_IN_L2_MULTICAST] = { .name = "drop_v4_unicast_in_l2_multicast", .type = BLOBMSG_TYPE_BOOL },
+       [DEV_ATTR_DROP_V6_UNICAST_IN_L2_MULTICAST] = { .name = "drop_v6_unicast_in_l2_multicast", .type = BLOBMSG_TYPE_BOOL },
+       [DEV_ATTR_DROP_GRATUITOUS_ARP] = { .name = "drop_gratuitous_arp", .type = BLOBMSG_TYPE_BOOL },
+       [DEV_ATTR_DROP_UNSOLICITED_NA] = { .name = "drop_unsolicited_na", .type = BLOBMSG_TYPE_BOOL },
+       [DEV_ATTR_ARP_ACCEPT] = { .name = "arp_accept", .type = BLOBMSG_TYPE_BOOL },
+       [DEV_ATTR_AUTH] = { .name = "auth", .type = BLOBMSG_TYPE_BOOL },
+       [DEV_ATTR_SPEED] = { .name = "speed", .type = BLOBMSG_TYPE_INT32 },
+       [DEV_ATTR_DUPLEX] = { .name = "duplex", .type = BLOBMSG_TYPE_BOOL },
 };
 
 const struct uci_blob_param_list device_attr_list = {
@@ -77,9 +87,6 @@ int device_type_add(struct device_type *devtype)
        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)
 {
@@ -92,18 +99,6 @@ device_type_get(const char *tname)
        return NULL;
 }
 
-void device_lock(void)
-{
-       __devlock++;
-}
-
-void device_unlock(void)
-{
-       __devlock--;
-       if (!__devlock)
-               device_free_unused(NULL);
-}
-
 static int device_vlan_len(struct kvlist *kv, const void *data)
 {
        return sizeof(unsigned int);
@@ -125,10 +120,25 @@ void device_vlan_update(bool done)
                        vlist_update(&dev->vlans);
                } else {
                        vlist_flush(&dev->vlans);
+
+                       if (dev->type->vlan_update)
+                               dev->type->vlan_update(dev);
                }
        }
 }
 
+void device_stp_init(void)
+{
+       struct device *dev;
+
+       avl_for_each_element(&devices, dev, avl) {
+               if (!dev->type->stp_init)
+                       continue;
+
+               dev->type->stp_init(dev);
+       }
+}
+
 static int set_device_state(struct device *dev, bool state)
 {
        if (state) {
@@ -230,6 +240,7 @@ device_merge_settings(struct device *dev, struct device_settings *n)
                (s->flags & (DEV_OPT_MACADDR|DEV_OPT_DEFAULT_MACADDR) ? s->macaddr : os->macaddr),
                sizeof(n->macaddr));
        n->ipv6 = s->flags & DEV_OPT_IPV6 ? s->ipv6 : os->ipv6;
+       n->ip6segmentrouting = s->flags & DEV_OPT_IP6SEGMENTROUTING ? s->ip6segmentrouting : os->ip6segmentrouting;
        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;
@@ -256,6 +267,19 @@ device_merge_settings(struct device *dev, struct device_settings *n)
        n->unicast_flood = s->unicast_flood;
        n->sendredirects = s->flags & DEV_OPT_SENDREDIRECTS ?
                s->sendredirects : os->sendredirects;
+       n->drop_v4_unicast_in_l2_multicast = s->flags & DEV_OPT_DROP_V4_UNICAST_IN_L2_MULTICAST ?
+               s->drop_v4_unicast_in_l2_multicast : os->drop_v4_unicast_in_l2_multicast;
+       n->drop_v6_unicast_in_l2_multicast = s->flags & DEV_OPT_DROP_V6_UNICAST_IN_L2_MULTICAST ?
+               s->drop_v6_unicast_in_l2_multicast : os->drop_v6_unicast_in_l2_multicast;
+       n->drop_gratuitous_arp = s->flags & DEV_OPT_DROP_GRATUITOUS_ARP ?
+               s->drop_gratuitous_arp : os->drop_gratuitous_arp;
+       n->drop_unsolicited_na = s->flags & DEV_OPT_DROP_UNSOLICITED_NA ?
+               s->drop_unsolicited_na : os->drop_unsolicited_na;
+       n->arp_accept = s->flags & DEV_OPT_ARP_ACCEPT ?
+               s->arp_accept : os->arp_accept;
+       n->auth = s->flags & DEV_OPT_AUTH ? s->auth : os->auth;
+       n->speed = s->flags & DEV_OPT_SPEED ? s->speed : os->speed;
+       n->duplex = s->flags & DEV_OPT_DUPLEX ? s->duplex : os->duplex;
        n->flags = s->flags | os->flags | os->valid_flags;
 }
 
@@ -299,6 +323,11 @@ device_init_settings(struct device *dev, struct blob_attr **tb)
                s->flags |= DEV_OPT_IPV6;
        }
 
+       if ((cur = tb[DEV_ATTR_IP6SEGMENTROUTING])) {
+               s->ip6segmentrouting = blobmsg_get_bool(cur);
+               s->flags |= DEV_OPT_IP6SEGMENTROUTING;
+       }
+
        if ((cur = tb[DEV_ATTR_PROMISC])) {
                s->promisc = blobmsg_get_bool(cur);
                s->flags |= DEV_OPT_PROMISC;
@@ -395,6 +424,46 @@ device_init_settings(struct device *dev, struct blob_attr **tb)
                s->flags |= DEV_OPT_ISOLATE;
        }
 
+       if ((cur = tb[DEV_ATTR_DROP_V4_UNICAST_IN_L2_MULTICAST])) {
+               s->drop_v4_unicast_in_l2_multicast = blobmsg_get_bool(cur);
+               s->flags |= DEV_OPT_DROP_V4_UNICAST_IN_L2_MULTICAST;
+       }
+
+       if ((cur = tb[DEV_ATTR_DROP_V6_UNICAST_IN_L2_MULTICAST])) {
+               s->drop_v6_unicast_in_l2_multicast = blobmsg_get_bool(cur);
+               s->flags |= DEV_OPT_DROP_V6_UNICAST_IN_L2_MULTICAST;
+       }
+
+       if ((cur = tb[DEV_ATTR_DROP_GRATUITOUS_ARP])) {
+               s->drop_gratuitous_arp = blobmsg_get_bool(cur);
+               s->flags |= DEV_OPT_DROP_GRATUITOUS_ARP;
+       }
+
+       if ((cur = tb[DEV_ATTR_DROP_UNSOLICITED_NA])) {
+               s->drop_unsolicited_na = blobmsg_get_bool(cur);
+               s->flags |= DEV_OPT_DROP_UNSOLICITED_NA;
+       }
+
+       if ((cur = tb[DEV_ATTR_ARP_ACCEPT])) {
+               s->arp_accept = blobmsg_get_bool(cur);
+               s->flags |= DEV_OPT_ARP_ACCEPT;
+       }
+
+       if ((cur = tb[DEV_ATTR_AUTH])) {
+               s->auth = blobmsg_get_bool(cur);
+               s->flags |= DEV_OPT_AUTH;
+       }
+
+       if ((cur = tb[DEV_ATTR_SPEED])) {
+               s->speed = blobmsg_get_u32(cur);
+               s->flags |= DEV_OPT_SPEED;
+       }
+
+       if ((cur = tb[DEV_ATTR_DUPLEX])) {
+               s->duplex = blobmsg_get_bool(cur);
+               s->flags |= DEV_OPT_DUPLEX;
+       }
+
        device_set_disabled(dev, disabled);
 }
 
@@ -596,13 +665,13 @@ device_find(const char *name)
 }
 
 struct device *
-device_get(const char *name, int create)
+__device_get(const char *name, int create, bool check_vlan)
 {
        struct device *dev;
 
        dev = avl_find_element(&devices, name, dev, avl);
 
-       if (!dev && strchr(name, '.'))
+       if (!dev && check_vlan && strchr(name, '.'))
                return get_vlan_device_chain(name, create);
 
        if (name[0] == '@')
@@ -672,6 +741,28 @@ device_refresh_present(struct device *dev)
        __device_set_present(dev, state);
 }
 
+void
+device_set_auth_status(struct device *dev, bool value)
+{
+       if (dev->auth_status == value)
+               return;
+
+       dev->auth_status = value;
+       if (!dev->present)
+               return;
+
+       if (dev->auth_status) {
+               device_broadcast_event(dev, DEV_EVENT_AUTH_UP);
+               return;
+       }
+
+       device_broadcast_event(dev, DEV_EVENT_LINK_DOWN);
+       if (!dev->link_active)
+               return;
+
+       device_broadcast_event(dev, DEV_EVENT_LINK_UP);
+}
+
 void device_set_present(struct device *dev, bool state)
 {
        if (dev->sys_present == state)
@@ -690,6 +781,8 @@ void device_set_link(struct device *dev, bool state)
        netifd_log_message(L_NOTICE, "%s '%s' link is %s\n", dev->type->name, dev->ifname, state ? "up" : "down" );
 
        dev->link_active = state;
+       if (!state)
+               dev->auth_status = false;
        device_broadcast_event(dev, state ? DEV_EVENT_LINK_UP : DEV_EVENT_LINK_DOWN);
 }
 
@@ -790,14 +883,27 @@ device_free(struct device *dev)
 }
 
 static void
-__device_free_unused(struct device *dev)
+__device_free_unused(struct uloop_timeout *timeout)
 {
-       if (!safe_list_empty(&dev->users) ||
-               !safe_list_empty(&dev->aliases) ||
-           dev->current_config || __devlock)
-               return;
+       struct device *dev, *tmp;
+
+       avl_for_each_element_safe(&devices, dev, avl, tmp) {
+               if (!safe_list_empty(&dev->users) ||
+                       !safe_list_empty(&dev->aliases) ||
+                       dev->current_config)
+                       continue;
+
+               device_free(dev);
+       }
+}
 
-       device_free(dev);
+void device_free_unused(void)
+{
+       static struct uloop_timeout free_timer = {
+               .cb = __device_free_unused,
+       };
+
+       uloop_timeout_set(&free_timer, 1);
 }
 
 void device_remove_user(struct device_user *dep)
@@ -814,19 +920,7 @@ void device_remove_user(struct device_user *dep)
        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);
-}
-
-void
-device_free_unused(struct device *dev)
-{
-       struct device *tmp;
-
-       if (dev)
-               return __device_free_unused(dev);
-
-       avl_for_each_element_safe(&devices, dev, avl, tmp)
-               __device_free_unused(dev);
+       device_free_unused();
 }
 
 void
@@ -844,6 +938,18 @@ device_init_pending(void)
        }
 }
 
+bool
+device_check_ip6segmentrouting(void)
+{
+       struct device *dev;
+       bool ip6segmentrouting = false;
+
+       avl_for_each_element(&devices, dev, avl)
+               ip6segmentrouting |= dev->settings.ip6segmentrouting;
+
+       return ip6segmentrouting;
+}
+
 static enum dev_change_type
 device_set_config(struct device *dev, struct device_type *type,
                  struct blob_attr *attr)
@@ -1035,6 +1141,7 @@ device_dump_status(struct blob_buf *b, struct device *dev)
 
        blobmsg_add_u8(b, "up", !!dev->active);
        blobmsg_add_u8(b, "carrier", !!dev->link_active);
+       blobmsg_add_u8(b, "auth_status", !!dev->auth_status);
 
        if (dev->type->dump_info)
                dev->type->dump_info(dev, b);
@@ -1053,6 +1160,8 @@ device_dump_status(struct blob_buf *b, struct device *dev)
                        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_IP6SEGMENTROUTING)
+                       blobmsg_add_u8(b, "ip6segmentrouting", st.ip6segmentrouting);
                if (st.flags & DEV_OPT_PROMISC)
                        blobmsg_add_u8(b, "promisc", st.promisc);
                if (st.flags & DEV_OPT_RPFILTER)
@@ -1089,6 +1198,18 @@ device_dump_status(struct blob_buf *b, struct device *dev)
                        blobmsg_add_u8(b, "unicast_flood", st.unicast_flood);
                if (st.flags & DEV_OPT_SENDREDIRECTS)
                        blobmsg_add_u8(b, "sendredirects", st.sendredirects);
+               if (st.flags & DEV_OPT_DROP_V4_UNICAST_IN_L2_MULTICAST)
+                       blobmsg_add_u8(b, "drop_v4_unicast_in_l2_multicast", st.drop_v4_unicast_in_l2_multicast);
+               if (st.flags & DEV_OPT_DROP_V6_UNICAST_IN_L2_MULTICAST)
+                       blobmsg_add_u8(b, "drop_v6_unicast_in_l2_multicast", st.drop_v6_unicast_in_l2_multicast);
+               if (st.flags & DEV_OPT_DROP_GRATUITOUS_ARP)
+                       blobmsg_add_u8(b, "drop_gratuitous_arp", st.drop_gratuitous_arp);
+               if (st.flags & DEV_OPT_DROP_UNSOLICITED_NA)
+                       blobmsg_add_u8(b, "drop_unsolicited_na", st.drop_unsolicited_na);
+               if (st.flags & DEV_OPT_ARP_ACCEPT)
+                       blobmsg_add_u8(b, "arp_accept", st.arp_accept);
+               if (st.flags & DEV_OPT_AUTH)
+                       blobmsg_add_u8(b, "auth", st.auth);
        }
 
        s = blobmsg_open_table(b, "statistics");
@@ -1103,3 +1224,16 @@ static void __init simple_device_type_init(void)
 {
        device_type_add(&simple_device_type);
 }
+
+void device_hotplug_event(const char *name, bool add)
+{
+       struct device *dev;
+
+       wireless_device_hotplug_event(name, add);
+
+       dev = device_find(name);
+       if (!dev || dev->type != &simple_device_type)
+               return;
+
+       device_set_present(dev, add);
+}