networkd: fix several Address entries in [Network] section

[elogind.git] / src / network / networkd-link.c

diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c
index c03472216c50de8d3a31e0463173470100105e80..09de862819c69cb3a8bd029110c143b63a12c62a 100644 (file)
--- a/src/network/networkd-link.c
+++ b/src/network/networkd-link.c
@@ -30,6 +30,7 @@ int link_new(Manager *manager, struct udev_device *device, Link **ret) {
         _cleanup_link_free_ Link *link = NULL;
         const char *mac;
         struct ether_addr *mac_addr;
+        const char *ifname;
         int r;
 
         assert(device);
@@ -39,22 +40,22 @@ int link_new(Manager *manager, struct udev_device *device, Link **ret) {
         if (!link)
                 return -ENOMEM;
 
+        link->manager = manager;
+        link->state = _LINK_STATE_INVALID;
+
         link->ifindex = udev_device_get_ifindex(device);
         if (link->ifindex <= 0)
                 return -EINVAL;
 
         mac = udev_device_get_sysattr_value(device, "address");
-        if (!mac)
-                return -EINVAL;
-
-        mac_addr = ether_aton(mac);
-        if (!mac_addr)
-                return -EINVAL;
+        if (mac) {
+                mac_addr = ether_aton(mac);
+                if (mac_addr)
+                        memcpy(&link->mac, mac_addr, sizeof(struct ether_addr));
+        }
 
-        memcpy(&link->mac, mac_addr, sizeof(struct ether_addr));
-
-        link->manager = manager;
-        link->state = _LINK_STATE_INVALID;
+        ifname = udev_device_get_sysname(device);
+        link->ifname = strdup(ifname);
 
         r = hashmap_put(manager->links, &link->ifindex, link);
         if (r < 0)
@@ -74,6 +75,8 @@ void link_free(Link *link) {
 
         hashmap_remove(link->manager->links, &link->ifindex);
 
+        free(link->ifname);
+
         free(link);
 }
 
@@ -82,6 +85,7 @@ int link_add(Manager *m, struct udev_device *device) {
         Network *network;
         int r;
         uint64_t ifindex;
+        const char *devtype;
 
         assert(m);
         assert(device);
@@ -93,10 +97,17 @@ int link_add(Manager *m, struct udev_device *device) {
 
         r = link_new(m, device, &link);
         if (r < 0) {
-                log_error("could not create link: %s", strerror(-r));
+                log_error("Could not create link: %s", strerror(-r));
                 return r;
         }
 
+        devtype = udev_device_get_devtype(device);
+        if (streq_ptr(devtype, "bridge")) {
+                r = bridge_set_link(m, link);
+                if (r < 0)
+                        return r == -ENOENT ? 0 : r;
+        }
+
         r = network_get(m, device, &network);
         if (r < 0)
                 return r == -ENOENT ? 0 : r;
@@ -109,7 +120,7 @@ int link_add(Manager *m, struct udev_device *device) {
 }
 
 static int link_enter_configured(Link *link) {
-        log_info("Link configured successfully.");
+        log_info("Link '%s' configured", link->ifname);
 
         link->state = LINK_STATE_CONFIGURED;
 
@@ -117,7 +128,7 @@ static int link_enter_configured(Link *link) {
 }
 
 static int link_enter_failed(Link *link) {
-        log_warning("Could not configure link.");
+        log_warning("Could not configure link '%s'", link->ifname);
 
         link->state = LINK_STATE_FAILED;
 
@@ -129,7 +140,7 @@ static bool link_is_up(Link *link) {
 }
 
 static int link_enter_routes_set(Link *link) {
-        log_info("Routes set for link %u", (unsigned)link->ifindex);
+        log_info("Routes set for link '%s'", link->ifname);
 
         if (link_is_up(link))
                 return link_enter_configured(link);
@@ -152,11 +163,9 @@ static int route_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
                 return 1;
 
         r = sd_rtnl_message_get_errno(m);
-        if (r < 0 && r != -EEXIST) {
-                log_warning("Could not set route on interface %u: %s",
-                            (unsigned)link->ifindex, strerror(-r));
-                return link_enter_failed(link);
-        }
+        if (r < 0 && r != -EEXIST)
+                log_warning("Could not set route on interface '%s': %s",
+                            link->ifname, strerror(-r));
 
         if (link->rtnl_messages == 0)
                 return link_enter_routes_set(link);
@@ -181,14 +190,16 @@ static int link_enter_set_routes(Link *link) {
         LIST_FOREACH(routes, route, link->network->routes) {
                 r = route_configure(route, link, &route_handler);
                 if (r < 0)
-                        link_enter_failed(link);
+                        return link_enter_failed(link);
+
+                link->rtnl_messages ++;
         }
 
         return 0;
 }
 
 static int link_enter_addresses_set(Link *link) {
-        log_info("Addresses set for link %u", (unsigned)link->ifindex);
+        log_info("Addresses set for link '%s'", link->ifname);
 
         link->state = LINK_STATE_ADDRESSES_SET;
 
@@ -208,11 +219,9 @@ static int address_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
                 return 1;
 
         r = sd_rtnl_message_get_errno(m);
-        if (r < 0 && r != -EEXIST) {
-                log_warning("Could not set address on interface %u: %s",
-                            (unsigned)link->ifindex, strerror(-r));
-                link_enter_failed(link);
-        }
+        if (r < 0 && r != -EEXIST)
+                log_warning("Could not set address on interface '%s': %s",
+                            link->ifname, strerror(-r));
 
         if (link->rtnl_messages == 0)
                 link_enter_addresses_set(link);
@@ -236,7 +245,9 @@ static int link_enter_set_addresses(Link *link) {
         LIST_FOREACH(addresses, address, link->network->addresses) {
                 r = address_configure(address, link, &address_handler);
                 if (r < 0)
-                        link_enter_failed(link);
+                        return link_enter_failed(link);
+
+                link->rtnl_messages ++;
         }
 
         return 0;
@@ -247,15 +258,13 @@ static int link_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
         int r;
 
         r = sd_rtnl_message_get_errno(m);
-        if (r < 0) {
-                log_warning("Could not bring up interface %u: %s",
-                            (unsigned)link->ifindex, strerror(-r));
-                return link_enter_failed(link);
-        }
+        if (r < 0)
+                log_warning("Could not bring up interface '%s': %s",
+                            link->ifname, strerror(-r));
 
         link->flags |= IFF_UP;
 
-        log_info("Link is UP.");
+        log_info("Link '%s' is up", link->ifname);
 
         if (link->state == LINK_STATE_ROUTES_SET)
                 return link_enter_configured(link);
@@ -286,14 +295,59 @@ static int link_up(Link *link) {
         return 0;
 }
 
-int link_configure(Link *link) {
+static int link_enter_bridge_joined(Link *link) {
         int r;
 
         r = link_up(link);
         if (r < 0)
                 return link_enter_failed(link);
 
-        r = link_enter_set_addresses(link);
+        link->state = LINK_STATE_BRIDGE_JOINED;
+
+        return link_enter_set_addresses(link);
+}
+
+static int bridge_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
+        Link *link = userdata;
+        int r;
+
+        assert(link->state == LINK_STATE_JOIN_BRIDGE || link->state == LINK_STATE_FAILED);
+
+        if (link->state == LINK_STATE_FAILED)
+                return 1;
+
+        r = sd_rtnl_message_get_errno(m);
+        if (r < 0)
+                log_warning("Could not join interface '%s' to bridge: %s",
+                            link->ifname, strerror(-r));
+
+        link_enter_bridge_joined(link);
+
+        return 1;
+}
+
+static int link_enter_join_bridge(Link *link) {
+        int r;
+
+        assert(link);
+        assert(link->network);
+
+        if (!link->network->bridge)
+                return link_enter_bridge_joined(link);
+
+        link->state = LINK_STATE_JOIN_BRIDGE;
+
+        r = bridge_join(link->network->bridge, link, &bridge_handler);
+        if (r < 0)
+                return link_enter_failed(link);
+
+        return 0;
+}
+
+int link_configure(Link *link) {
+        int r;
+
+        r = link_enter_join_bridge(link);
         if (r < 0)
                 return link_enter_failed(link);