X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fnetwork%2Fnetworkd-netdev.c;h=c80e943871026b601646045fdb43ce3af1028d41;hb=0372cb2bd2342fa5c5585c666f79159a8341f4a6;hp=13338aec512fcd173acfd913cde7c388e4d2f7f1;hpb=8469c1d329f983992805b6e6b44ff40e34adfc45;p=elogind.git

diff --git a/src/network/networkd-netdev.c b/src/network/networkd-netdev.c
index 13338aec5..c80e94387 100644
--- a/src/network/networkd-netdev.c
+++ b/src/network/networkd-netdev.c
@@ -29,8 +29,6 @@
 #include "list.h"
 #include "siphash24.h"
 
-#define VLANID_MAX 4094
-
 static const char* const netdev_kind_table[_NETDEV_KIND_MAX] = {
         [NETDEV_KIND_BRIDGE] = "bridge",
         [NETDEV_KIND_BOND] = "bond",
@@ -41,22 +39,13 @@ static const char* const netdev_kind_table[_NETDEV_KIND_MAX] = {
         [NETDEV_KIND_GRE] = "gre",
         [NETDEV_KIND_SIT] = "sit",
         [NETDEV_KIND_VETH] = "veth",
-        [NETDEV_KIND_VTI] = "vti"
+        [NETDEV_KIND_VTI] = "vti",
+        [NETDEV_KIND_DUMMY] = "dummy",
 };
 
 DEFINE_STRING_TABLE_LOOKUP(netdev_kind, NetDevKind);
 DEFINE_CONFIG_PARSE_ENUM(config_parse_netdev_kind, netdev_kind, NetDevKind, "Failed to parse netdev kind");
 
-static const char* const macvlan_mode_table[_NETDEV_MACVLAN_MODE_MAX] = {
-        [NETDEV_MACVLAN_MODE_PRIVATE] = "private",
-        [NETDEV_MACVLAN_MODE_VEPA] = "vepa",
-        [NETDEV_MACVLAN_MODE_BRIDGE] = "bridge",
-        [NETDEV_MACVLAN_MODE_PASSTHRU] = "passthru",
-};
-
-DEFINE_STRING_TABLE_LOOKUP(macvlan_mode, MacVlanMode);
-DEFINE_CONFIG_PARSE_ENUM(config_parse_macvlan_mode, macvlan_mode, MacVlanMode, "Failed to parse macvlan mode");
-
 static void netdev_cancel_callbacks(NetDev *netdev) {
         _cleanup_rtnl_message_unref_ sd_rtnl_message *m = NULL;
         netdev_enslave_callback *callback;
@@ -222,8 +211,9 @@ static int netdev_enter_ready(NetDev *netdev) {
         return 0;
 }
 
+/* callback for netdev's created without a backing Link */
 static int netdev_create_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
-        NetDev *netdev = userdata;
+        _cleanup_netdev_unref_ NetDev *netdev = userdata;
         int r;
 
         assert(netdev->state != _NETDEV_STATE_INVALID);
@@ -269,14 +259,12 @@ int config_parse_tunnel_address(const char *unit,
        return 0;
 }
 
-static int netdev_create(NetDev *netdev, Link *link, sd_rtnl_message_handler_t callback) {
+static int netdev_create(NetDev *netdev) {
         _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL;
         const char *kind;
         int r;
 
         assert(netdev);
-        assert(!(netdev->kind == NETDEV_KIND_VLAN || netdev->kind == NETDEV_KIND_MACVLAN) ||
-               (link && callback));
         assert(netdev->ifname);
         assert(netdev->manager);
         assert(netdev->manager->rtnl);
@@ -289,16 +277,6 @@ static int netdev_create(NetDev *netdev, Link *link, sd_rtnl_message_handler_t c
                 return r;
         }
 
-        if (link) {
-                r = sd_rtnl_message_append_u32(req, IFLA_LINK, link->ifindex);
-                if (r < 0) {
-                        log_error_netdev(netdev,
-                                         "Could not append IFLA_LINK attribute: %s",
-                                         strerror(-r));
-                        return r;
-                }
-        }
-
         r = sd_rtnl_message_append_string(req, IFLA_IFNAME, netdev->ifname);
         if (r < 0) {
                 log_error_netdev(netdev,
@@ -349,26 +327,6 @@ static int netdev_create(NetDev *netdev, Link *link, sd_rtnl_message_handler_t c
                 return r;
         }
 
-        if (netdev->vlanid <= VLANID_MAX) {
-                r = sd_rtnl_message_append_u16(req, IFLA_VLAN_ID, netdev->vlanid);
-                if (r < 0) {
-                        log_error_netdev(netdev,
-                                         "Could not append IFLA_VLAN_ID attribute: %s",
-                                         strerror(-r));
-                        return r;
-                }
-        }
-
-        if (netdev->macvlan_mode != _NETDEV_MACVLAN_MODE_INVALID) {
-        r = sd_rtnl_message_append_u32(req, IFLA_MACVLAN_MODE, netdev->macvlan_mode);
-        if (r < 0) {
-                log_error_netdev(netdev,
-                                 "Could not append IFLA_MACVLAN_MODE attribute: %s",
-                                 strerror(-r));
-                        return r;
-                }
-        }
-
         r = sd_rtnl_message_close_container(req);
         if (r < 0) {
                 log_error_netdev(netdev,
@@ -385,16 +343,15 @@ static int netdev_create(NetDev *netdev, Link *link, sd_rtnl_message_handler_t c
                 return r;
         }
 
-        if (link)
-                r = sd_rtnl_call_async(netdev->manager->rtnl, req, callback, link, 0, NULL);
-        else
-                r = sd_rtnl_call_async(netdev->manager->rtnl, req, &netdev_create_handler, netdev, 0, NULL);
+        r = sd_rtnl_call_async(netdev->manager->rtnl, req, &netdev_create_handler, netdev, 0, NULL);
         if (r < 0) {
                 log_error_netdev(netdev,
                                  "Could not send rtnetlink message: %s", strerror(-r));
                 return r;
         }
 
+        netdev_ref(netdev);
+
         log_debug_netdev(netdev, "creating netdev");
 
         netdev->state = NETDEV_STATE_CREATING;
@@ -402,20 +359,22 @@ static int netdev_create(NetDev *netdev, Link *link, sd_rtnl_message_handler_t c
         return 0;
 }
 
+/* the callback must be called, possibly after a timeout, as otherwise the Link will hang */
 int netdev_enslave(NetDev *netdev, Link *link, sd_rtnl_message_handler_t callback) {
         int r;
 
         switch(netdev->kind) {
         case NETDEV_KIND_VLAN:
+                return netdev_create_vlan(netdev, link, callback);
         case NETDEV_KIND_MACVLAN:
-                return netdev_create(netdev, link, callback);
+                return netdev_create_macvlan(netdev, link, callback);
         case NETDEV_KIND_VXLAN:
                 return netdev_create_vxlan(netdev, link, callback);
         case NETDEV_KIND_IPIP:
         case NETDEV_KIND_GRE:
         case NETDEV_KIND_SIT:
         case NETDEV_KIND_VTI:
-                return netdev_create_tunnel(link, netdev_create_handler);
+                return netdev_create_tunnel(netdev, link, callback);
         default:
                 break;
         }
@@ -713,10 +672,18 @@ static int netdev_load_one(Manager *manager, const char *filename) {
                 if (r < 0)
                         return r;
 
+                break;
+        case NETDEV_KIND_DUMMY:
+                r = netdev_create_dummy(netdev, netdev_create_handler);
+                if (r < 0)
+                        return r;
+
+                netdev_ref(netdev);
+
                 break;
         case NETDEV_KIND_BRIDGE:
         case NETDEV_KIND_BOND:
-                r = netdev_create(netdev, NULL, NULL);
+                r = netdev_create(netdev);
                 if (r < 0)
                         return r;
                 break;