scripts/netifd-wireless.sh: add support for specifying the operating band
[project/netifd.git] / device.c
index 43881e5f71a7cfe74350b20394f7e4b9b29aa8dd..26254cc2eb902a9b7b7a2aef97d998fbe3edbeff 100644 (file)
--- a/device.c
+++ b/device.c
 
 #include <sys/types.h>
 #include <sys/socket.h>
-#include <net/ethernet.h>
-
-#ifdef linux
-#include <netinet/ether.h>
-#endif
 
 #include <libubox/list.h>
 
@@ -32,7 +27,6 @@
 
 static struct list_head devtypes = LIST_HEAD_INIT(devtypes);
 static struct avl_tree devices;
-static bool default_ps = true;
 
 static const struct blobmsg_policy dev_attrs[__DEV_ATTR_MAX] = {
        [DEV_ATTR_TYPE] = { .name = "type", .type = BLOBMSG_TYPE_STRING },
@@ -42,6 +36,7 @@ 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 },
@@ -49,8 +44,6 @@ static const struct blobmsg_policy dev_attrs[__DEV_ATTR_MAX] = {
        [DEV_ATTR_MLDVERSION] = { .name = "mldversion", .type = BLOBMSG_TYPE_INT32 },
        [DEV_ATTR_NEIGHREACHABLETIME] = { .name = "neighreachabletime", .type = BLOBMSG_TYPE_INT32 },
        [DEV_ATTR_NEIGHGCSTALETIME] = { .name = "neighgcstaletime", .type = BLOBMSG_TYPE_INT32 },
-       [DEV_ATTR_RPS] = { .name = "rps", .type = BLOBMSG_TYPE_BOOL },
-       [DEV_ATTR_XPS] = { .name = "xps", .type = BLOBMSG_TYPE_BOOL },
        [DEV_ATTR_DADTRANSMITS] = { .name = "dadtransmits", .type = BLOBMSG_TYPE_INT32 },
        [DEV_ATTR_MULTICAST_TO_UNICAST] = { .name = "multicast_to_unicast", .type = BLOBMSG_TYPE_BOOL },
        [DEV_ATTR_MULTICAST_ROUTER] = { .name = "multicast_router", .type = BLOBMSG_TYPE_INT32 },
@@ -59,6 +52,14 @@ static const struct blobmsg_policy dev_attrs[__DEV_ATTR_MAX] = {
        [DEV_ATTR_LEARNING] = { .name ="learning", .type = BLOBMSG_TYPE_BOOL },
        [DEV_ATTR_UNICAST_FLOOD] = { .name ="unicast_flood", .type = BLOBMSG_TYPE_BOOL },
        [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 },
 };
 
 const struct uci_blob_param_list device_attr_list = {
@@ -83,9 +84,6 @@ 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)
 {
@@ -110,6 +108,31 @@ void device_unlock(void)
                device_free_unused(NULL);
 }
 
+static int device_vlan_len(struct kvlist *kv, const void *data)
+{
+       return sizeof(unsigned int);
+}
+
+void device_vlan_update(bool done)
+{
+       struct device *dev;
+
+       avl_for_each_element(&devices, dev, avl) {
+               if (!dev->vlans.update)
+                       continue;
+
+               if (!done) {
+                       if (dev->vlan_aliases.get_len)
+                               kvlist_free(&dev->vlan_aliases);
+                       else
+                               kvlist_init(&dev->vlan_aliases, device_vlan_len);
+                       vlist_update(&dev->vlans);
+               } else {
+                       vlist_flush(&dev->vlans);
+               }
+       }
+}
+
 static int set_device_state(struct device *dev, bool state)
 {
        if (state) {
@@ -119,10 +142,17 @@ static int set_device_state(struct device *dev, bool state)
                if (!dev->ifindex)
                        return -1;
 
+               system_if_get_settings(dev, &dev->orig_settings);
+               /* Only keep orig settings based on what needs to be set */
+               dev->orig_settings.valid_flags = dev->orig_settings.flags;
+               dev->orig_settings.flags &= dev->settings.flags;
+               system_if_apply_settings(dev, &dev->settings, dev->settings.flags);
+
                system_if_up(dev);
-       }
-       else
+       } else {
                system_if_down(dev);
+               system_if_apply_settings(dev, &dev->orig_settings, dev->orig_settings.flags);
+       }
 
        return 0;
 }
@@ -189,7 +219,7 @@ struct device_type simple_device_type = {
        .free = simple_device_free,
 };
 
-static void
+void
 device_merge_settings(struct device *dev, struct device_settings *n)
 {
        struct device_settings *os = &dev->orig_settings;
@@ -201,9 +231,10 @@ device_merge_settings(struct device *dev, struct device_settings *n)
        n->txqueuelen = s->flags & DEV_OPT_TXQUEUELEN ?
                s->txqueuelen : os->txqueuelen;
        memcpy(n->macaddr,
-               (s->flags & DEV_OPT_MACADDR ? s->macaddr : os->macaddr),
+               (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;
@@ -217,6 +248,8 @@ device_merge_settings(struct device *dev, struct device_settings *n)
                s->neigh4gcstaletime : os->neigh4gcstaletime;
        n->neigh6gcstaletime = s->flags & DEV_OPT_NEIGHGCSTALETIME ?
                s->neigh6gcstaletime : os->neigh6gcstaletime;
+       n->neigh4locktime = s->flags & DEV_OPT_NEIGHLOCKTIME ?
+               s->neigh4locktime : os->neigh4locktime;
        n->dadtransmits = s->flags & DEV_OPT_DADTRANSMITS ?
                s->dadtransmits : os->dadtransmits;
        n->multicast = s->flags & DEV_OPT_MULTICAST ?
@@ -228,6 +261,17 @@ 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->flags = s->flags | os->flags | os->valid_flags;
 }
 
@@ -271,6 +315,11 @@ 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;
@@ -314,19 +363,10 @@ device_init_settings(struct device *dev, struct blob_attr **tb)
                s->flags |= DEV_OPT_NEIGHGCSTALETIME;
        }
 
-       if ((cur = tb[DEV_ATTR_RPS])) {
-               s->rps = blobmsg_get_bool(cur);
-               s->flags |= DEV_OPT_RPS;
+       if ((cur = tb[DEV_ATTR_NEIGHLOCKTIME])) {
+               s->neigh4locktime = blobmsg_get_u32(cur);
+               s->flags |= DEV_OPT_NEIGHLOCKTIME;
        }
-       else
-               s->rps = default_ps;
-
-       if ((cur = tb[DEV_ATTR_XPS])) {
-               s->xps = blobmsg_get_bool(cur);
-               s->flags |= DEV_OPT_XPS;
-       }
-       else
-               s->xps = default_ps;
 
        if ((cur = tb[DEV_ATTR_DADTRANSMITS])) {
                s->dadtransmits = blobmsg_get_u32(cur);
@@ -371,6 +411,41 @@ device_init_settings(struct device *dev, struct blob_attr **tb)
                s->flags |= DEV_OPT_SENDREDIRECTS;
        }
 
+       if ((cur = tb[DEV_ATTR_ISOLATE])) {
+               s->isolate = blobmsg_get_bool(cur);
+               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;
+       }
+
        device_set_disabled(dev, disabled);
 }
 
@@ -401,6 +476,21 @@ void device_broadcast_event(struct device *dev, enum device_event ev)
        safe_list_for_each(&dev->users, device_broadcast_cb, &dev_ev);
 }
 
+static void
+device_fill_default_settings(struct device *dev)
+{
+       struct device_settings *s = &dev->settings;
+       struct ether_addr *ea;
+
+       if (!(s->flags & DEV_OPT_MACADDR)) {
+               ea = config_get_default_macaddr(dev->ifname);
+               if (ea) {
+                       memcpy(s->macaddr, ea, 6);
+                       s->flags |= DEV_OPT_DEFAULT_MACADDR;
+               }
+       }
+}
+
 int device_claim(struct device_user *dep)
 {
        struct device *dev = dep->dev;
@@ -418,6 +508,7 @@ int device_claim(struct device_user *dep)
                return 0;
 
        device_broadcast_event(dev, DEV_EVENT_SETUP);
+       device_fill_default_settings(dev);
        if (dev->external) {
                /* Get ifindex for external claimed devices so a valid   */
                /* ifindex is in place avoiding possible race conditions */
@@ -473,7 +564,7 @@ int device_check_state(struct device *dev)
        return dev->type->check_state(dev);
 }
 
-void device_init_virtual(struct device *dev, struct device_type *type, const char *name)
+int device_init_virtual(struct device *dev, struct device_type *type, const char *name)
 {
        assert(dev);
        assert(type);
@@ -483,18 +574,27 @@ void device_init_virtual(struct device *dev, struct device_type *type, const cha
        INIT_SAFE_LIST(&dev->aliases);
        dev->type = type;
 
-       if (name)
-               device_set_ifname(dev, name);
+       if (name) {
+               int ret;
+
+               ret = device_set_ifname(dev, name);
+               if (ret < 0)
+                       return ret;
+       }
 
        if (!dev->set_state)
                dev->set_state = set_device_state;
+
+       return 0;
 }
 
 int device_init(struct device *dev, struct device_type *type, const char *ifname)
 {
        int ret;
 
-       device_init_virtual(dev, type, ifname);
+       ret = device_init_virtual(dev, type, ifname);
+       if (ret < 0)
+               return ret;
 
        dev->avl.key = dev->ifname;
 
@@ -503,9 +603,6 @@ int device_init(struct device *dev, struct device_type *type, const char *ifname
                return ret;
 
        system_if_clear_state(dev);
-       device_check_state(dev);
-       dev->settings.rps = default_ps;
-       dev->settings.xps = default_ps;
 
        return 0;
 }
@@ -525,10 +622,19 @@ device_create_default(const char *name, bool external)
 
        dev->external = external;
        dev->set_state = simple_device_set_state;
-       device_init(dev, &simple_device_type, name);
+
+       if (device_init(dev, &simple_device_type, name) < 0) {
+               device_cleanup(dev);
+               free(dev);
+               return NULL;
+       }
+
        dev->default_config = true;
        if (external)
                system_if_apply_settings(dev, &dev->settings, dev->settings.flags);
+
+       device_check_state(dev);
+
        return dev;
 }
 
@@ -545,13 +651,14 @@ device_get(const char *name, int create)
 {
        struct device *dev;
 
-       if (strchr(name, '.'))
+       dev = avl_find_element(&devices, name, dev, avl);
+
+       if (!dev && strchr(name, '.'))
                return get_vlan_device_chain(name, create);
 
        if (name[0] == '@')
                return device_alias_get(name + 1);
 
-       dev = avl_find_element(&devices, name, dev, avl);
        if (dev) {
                if (create > 1 && !dev->external) {
                        system_if_apply_settings(dev, &dev->settings, dev->settings.flags);
@@ -616,6 +723,28 @@ 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)
@@ -634,6 +763,8 @@ 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);
 }
 
@@ -653,10 +784,13 @@ int device_set_ifname(struct device *dev, const char *name)
        if (!strcmp(dev->ifname, name))
                return 0;
 
+       if (strlen(name) > sizeof(dev->ifname) - 1)
+               return -1;
+
        if (dev->avl.key)
                avl_delete(&devices, &dev->avl);
 
-       strncpy(dev->ifname, name, IFNAMSIZ);
+       strcpy(dev->ifname, name);
 
        if (dev->avl.key)
                ret = avl_insert(&devices, &dev->avl);
@@ -720,7 +854,7 @@ void device_add_user(struct device_user *dep, struct device *dev)
        __device_add_user(dep, dev);
 }
 
-void
+static void
 device_free(struct device *dev)
 {
        __devlock++;
@@ -781,9 +915,22 @@ device_init_pending(void)
 
                dev->type->config_init(dev);
                dev->config_pending = false;
+               device_check_state(dev);
        }
 }
 
+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)
@@ -903,41 +1050,6 @@ device_reset_old(void)
        }
 }
 
-void
-device_set_default_ps(bool state)
-{
-       struct device *dev;
-
-       if (state == default_ps)
-               return;
-
-       default_ps = state;
-
-       avl_for_each_element(&devices, dev, avl) {
-               struct device_settings *s = &dev->settings;
-               unsigned int apply_mask = 0;
-
-               if (!(s->flags & DEV_OPT_RPS)) {
-                       s->rps = default_ps;
-                       apply_mask |= DEV_OPT_RPS;
-               }
-
-               if (!(s->flags & DEV_OPT_XPS)) {
-                       s->xps = default_ps;
-                       apply_mask |= DEV_OPT_XPS;
-               }
-
-               if (!apply_mask)
-                       continue;
-
-               if (!(dev->external || (dev->present && dev->active)) ||
-                               dev->config_pending)
-                       continue;
-
-               system_if_apply_settings(dev, s, apply_mask);
-       }
-}
-
 struct device *
 device_create(const char *name, struct device_type *type,
              struct blob_attr *config)
@@ -978,6 +1090,8 @@ device_create(const char *name, struct device_type *type,
                dev->config_pending = false;
        }
 
+       device_check_state(dev);
+
        return dev;
 }
 
@@ -1008,6 +1122,7 @@ 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);
@@ -1026,6 +1141,8 @@ 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)
@@ -1044,6 +1161,8 @@ device_dump_status(struct blob_buf *b, struct device *dev)
                        blobmsg_add_u32(b, "neigh4gcstaletime", st.neigh4gcstaletime);
                        blobmsg_add_u32(b, "neigh6gcstaletime", st.neigh6gcstaletime);
                }
+               if (st.flags & DEV_OPT_NEIGHLOCKTIME)
+                       blobmsg_add_u32(b, "neigh4locktime", st.neigh4locktime);
                if (st.flags & DEV_OPT_DADTRANSMITS)
                        blobmsg_add_u32(b, "dadtransmits", st.dadtransmits);
                if (st.flags & DEV_OPT_MULTICAST_TO_UNICAST)
@@ -1060,6 +1179,18 @@ 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");