config: fix incompatible with jshn network-device entry
[project/netifd.git] / device.c
index 3e2b5e9da4265e9abd78f9139bec56bb27c0de03..24175564f8558df03aa54470ac72aaea23fc697c 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>
 
 #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;
@@ -41,6 +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 },
@@ -58,6 +55,20 @@ 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 },
+       [DEV_ATTR_VLAN] = { .name = "vlan", .type = BLOBMSG_TYPE_ARRAY },
+       [DEV_ATTR_PAUSE] = { .name = "pause", .type = BLOBMSG_TYPE_BOOL },
+       [DEV_ATTR_ASYM_PAUSE] = { .name = "asym_pause", .type = BLOBMSG_TYPE_BOOL },
+       [DEV_ATTR_RXPAUSE] = { .name = "rxpause", .type = BLOBMSG_TYPE_BOOL },
+       [DEV_ATTR_TXPAUSE] = { .name = "txpause", .type = BLOBMSG_TYPE_BOOL },
+       [DEV_ATTR_AUTONEG] = { .name = "autoneg", .type = BLOBMSG_TYPE_BOOL },
 };
 
 const struct uci_blob_param_list device_attr_list = {
@@ -82,9 +93,6 @@ 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)
 {
@@ -97,18 +105,6 @@ 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);
@@ -130,10 +126,25 @@ 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) {
@@ -143,10 +154,17 @@ 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;
 }
@@ -225,9 +243,10 @@ 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;
@@ -254,9 +273,68 @@ 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->pause = s->flags & DEV_OPT_PAUSE ? s->pause : os->pause;
+       n->asym_pause = s->flags & DEV_OPT_ASYM_PAUSE ? s->asym_pause : os->asym_pause;
+       n->rxpause = s->flags & DEV_OPT_RXPAUSE ? s->rxpause : os->rxpause;
+       n->txpause = s->flags & DEV_OPT_TXPAUSE ? s->txpause : os->txpause;
+       n->autoneg = s->flags & DEV_OPT_AUTONEG ? s->autoneg : os->autoneg;
        n->flags = s->flags | os->flags | os->valid_flags;
 }
 
+static bool device_fill_vlan_range(struct device_vlan_range *r, const char *val)
+{
+       unsigned long cur_start, cur_end;
+       char *sep;
+
+       cur_start = strtoul(val, &sep, 0);
+       cur_end = cur_start;
+
+       if (*sep == '-')
+               cur_end = strtoul(sep + 1, &sep, 0);
+       if (*sep || cur_end < cur_start)
+               return false;
+
+       r->start = cur_start;
+       r->end = cur_end;
+
+       return true;
+}
+
+static void
+device_set_extra_vlans(struct device *dev, struct blob_attr *data)
+{
+       struct blob_attr *cur;
+       int n_vlans;
+       size_t rem;
+
+       dev->n_extra_vlan = 0;
+       if (!data)
+               return;
+
+       n_vlans = blobmsg_check_array(data, BLOBMSG_TYPE_STRING);
+       if (n_vlans < 1)
+               return;
+
+       dev->extra_vlan = realloc(dev->extra_vlan, n_vlans * sizeof(*dev->extra_vlan));
+       blobmsg_for_each_attr(cur, data, rem)
+               if (device_fill_vlan_range(&dev->extra_vlan[dev->n_extra_vlan],
+                                          blobmsg_get_string(cur)))
+                       dev->n_extra_vlan++;
+}
+
 void
 device_init_settings(struct device *dev, struct blob_attr **tb)
 {
@@ -297,6 +375,11 @@ 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;
@@ -393,6 +476,71 @@ 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;
+       }
+
+       if ((cur = tb[DEV_ATTR_PAUSE])) {
+               s->pause = blobmsg_get_bool(cur);
+               s->flags |= DEV_OPT_PAUSE;
+       }
+
+       if ((cur = tb[DEV_ATTR_ASYM_PAUSE])) {
+               s->asym_pause = blobmsg_get_bool(cur);
+               s->flags |= DEV_OPT_ASYM_PAUSE;
+       }
+
+       if ((cur = tb[DEV_ATTR_RXPAUSE])) {
+               s->rxpause = blobmsg_get_bool(cur);
+               s->flags |= DEV_OPT_RXPAUSE;
+       }
+
+       if ((cur = tb[DEV_ATTR_TXPAUSE])) {
+               s->txpause = blobmsg_get_bool(cur);
+               s->flags |= DEV_OPT_TXPAUSE;
+       }
+
+       if ((cur = tb[DEV_ATTR_AUTONEG])) {
+               s->autoneg = blobmsg_get_bool(cur);
+               s->flags |= DEV_OPT_AUTONEG;
+       }
+       device_set_extra_vlans(dev, tb[DEV_ATTR_VLAN]);
        device_set_disabled(dev, disabled);
 }
 
@@ -401,6 +549,17 @@ static void __init dev_init(void)
        avl_init(&devices, avl_strcmp, true, NULL);
 }
 
+static int device_release_cb(void *ctx, struct safe_list *list)
+{
+       struct device_user *dep = container_of(list, struct device_user, list);
+
+       if (!dep->dev || !dep->claimed)
+               return 0;
+
+       device_release(dep);
+       return 0;
+}
+
 static int device_broadcast_cb(void *ctx, struct safe_list *list)
 {
        struct device_user *dep = container_of(list, struct device_user, list);
@@ -423,6 +582,21 @@ 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;
@@ -440,6 +614,7 @@ 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 */
@@ -578,13 +753,13 @@ 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] == '@')
@@ -654,6 +829,28 @@ 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)
@@ -662,6 +859,8 @@ void device_set_present(struct device *dev, bool state)
        D(DEVICE, "%s '%s' %s present\n", dev->type->name, dev->ifname, state ? "is now" : "is no longer" );
        dev->sys_present = state;
        device_refresh_present(dev);
+       if (!state)
+               safe_list_for_each(&dev->users, device_release_cb, NULL);
 }
 
 void device_set_link(struct device *dev, bool state)
@@ -672,6 +871,8 @@ 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);
 }
 
@@ -767,19 +968,33 @@ device_free(struct device *dev)
        __devlock++;
        free(dev->config);
        device_cleanup(dev);
+       free(dev->extra_vlan);
        dev->type->free(dev);
        __devlock--;
 }
 
 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;
 
-       device_free(dev);
+       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);
+       }
+}
+
+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)
@@ -796,19 +1011,7 @@ 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
@@ -826,6 +1029,18 @@ 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)
@@ -900,14 +1115,18 @@ device_apply_config(struct device *dev, struct device_type *type,
 static void
 device_replace(struct device *dev, struct device *odev)
 {
-       struct device_user *dep, *tmp;
+       struct device_user *dep;
 
        __devlock++;
        if (odev->present)
                device_set_present(odev, false);
 
-       list_for_each_entry_safe(dep, tmp, &odev->users.list, list.list) {
+       while (!list_empty(&odev->users.list)) {
+               dep = list_first_entry(&odev->users.list, struct device_user, list.list);
                device_release(dep);
+               if (!dep->dev)
+                       continue;
+
                safe_list_del(&dep->list);
                __device_add_user(dep, dev);
        }
@@ -1017,6 +1236,7 @@ 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);
@@ -1035,6 +1255,8 @@ 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)
@@ -1071,6 +1293,18 @@ 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");
@@ -1085,3 +1319,16 @@ 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);
+}