src/network/netdev/ipvlan.c

   1 /***
   2   This file is part of systemd.
   3
   4   Copyright 2013-2015 Tom Gundersen <teg@jklm.no>
   5
   6   systemd is free software; you can redistribute it and/or modify it
   7   under the terms of the GNU Lesser General Public License as published by
   8   the Free Software Foundation; either version 2.1 of the License, or
   9   (at your option) any later version.
  10
  11   systemd is distributed in the hope that it will be useful, but
  12   WITHOUT ANY WARRANTY; without even the implied warranty of
  13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14   Lesser General Public License for more details.
  15
  16   You should have received a copy of the GNU Lesser General Public License
  17   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  18 ***/
  19
  20 #include <net/if.h>
  21
  22 #include "conf-parser.h"
  23 #include "netdev/ipvlan.h"
  24 #include "string-table.h"
  25
  26 static const char* const ipvlan_mode_table[_NETDEV_IPVLAN_MODE_MAX] = {
  27         [NETDEV_IPVLAN_MODE_L2] = "L2",
  28         [NETDEV_IPVLAN_MODE_L3] = "L3",
  29 };
  30
  31 DEFINE_STRING_TABLE_LOOKUP(ipvlan_mode, IPVlanMode);
  32 DEFINE_CONFIG_PARSE_ENUM(config_parse_ipvlan_mode, ipvlan_mode, IPVlanMode, "Failed to parse ipvlan mode");
  33
  34 static int netdev_ipvlan_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *req) {
  35         IPVlan *m;
  36         int r;
  37
  38         assert(netdev);
  39         assert(link);
  40         assert(netdev->ifname);
  41
  42         m = IPVLAN(netdev);
  43
  44         assert(m);
  45
  46         if (m->mode != _NETDEV_IPVLAN_MODE_INVALID) {
  47                 r = sd_netlink_message_append_u16(req, IFLA_IPVLAN_MODE, m->mode);
  48                 if (r < 0)
  49                         return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPVLAN_MODE attribute: %m");
  50         }
  51
  52         return 0;
  53 }
  54
  55 static void ipvlan_init(NetDev *n) {
  56         IPVlan *m;
  57
  58         assert(n);
  59
  60         m = IPVLAN(n);
  61
  62         assert(m);
  63
  64         m->mode = _NETDEV_IPVLAN_MODE_INVALID;
  65 }
  66
  67 const NetDevVTable ipvlan_vtable = {
  68         .object_size = sizeof(IPVlan),
  69         .init = ipvlan_init,
  70         .sections = "Match\0NetDev\0IPVLAN\0",
  71         .fill_message_create = netdev_ipvlan_fill_message_create,
  72         .create_type = NETDEV_CREATE_STACKED,
  73 };