src/network/netdev/ipvlan.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 /***
   3   Copyright 2013-2015 Tom Gundersen <teg@jklm.no>
   4 ***/
   5
   6 #include <net/if.h>
   7
   8 #include "conf-parser.h"
   9 #include "netdev/ipvlan.h"
  10 #include "string-table.h"
  11
  12 static const char* const ipvlan_mode_table[_NETDEV_IPVLAN_MODE_MAX] = {
  13         [NETDEV_IPVLAN_MODE_L2] = "L2",
  14         [NETDEV_IPVLAN_MODE_L3] = "L3",
  15         [NETDEV_IPVLAN_MODE_L3S] = "L3S",
  16 };
  17
  18 DEFINE_STRING_TABLE_LOOKUP(ipvlan_mode, IPVlanMode);
  19 DEFINE_CONFIG_PARSE_ENUM(config_parse_ipvlan_mode, ipvlan_mode, IPVlanMode, "Failed to parse ipvlan mode");
  20
  21 static const char* const ipvlan_flags_table[_NETDEV_IPVLAN_FLAGS_MAX] = {
  22         [NETDEV_IPVLAN_FLAGS_BRIGDE] = "bridge",
  23         [NETDEV_IPVLAN_FLAGS_PRIVATE] = "private",
  24         [NETDEV_IPVLAN_FLAGS_VEPA] = "vepa",
  25 };
  26
  27 DEFINE_STRING_TABLE_LOOKUP(ipvlan_flags, IPVlanFlags);
  28 DEFINE_CONFIG_PARSE_ENUM(config_parse_ipvlan_flags, ipvlan_flags, IPVlanFlags, "Failed to parse ipvlan flags");
  29
  30 static int netdev_ipvlan_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *req) {
  31         IPVlan *m;
  32         int r;
  33
  34         assert(netdev);
  35         assert(link);
  36         assert(netdev->ifname);
  37
  38         m = IPVLAN(netdev);
  39
  40         assert(m);
  41
  42         if (m->mode != _NETDEV_IPVLAN_MODE_INVALID) {
  43                 r = sd_netlink_message_append_u16(req, IFLA_IPVLAN_MODE, m->mode);
  44                 if (r < 0)
  45                         return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPVLAN_MODE attribute: %m");
  46         }
  47
  48         if (m->flags != _NETDEV_IPVLAN_FLAGS_INVALID) {
  49                 r = sd_netlink_message_append_u16(req, IFLA_IPVLAN_FLAGS, m->flags);
  50                 if (r < 0)
  51                         return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPVLAN_FLAGS attribute: %m");
  52         }
  53
  54         return 0;
  55 }
  56
  57 static void ipvlan_init(NetDev *n) {
  58         IPVlan *m;
  59
  60         assert(n);
  61
  62         m = IPVLAN(n);
  63
  64         assert(m);
  65
  66         m->mode = _NETDEV_IPVLAN_MODE_INVALID;
  67         m->flags = _NETDEV_IPVLAN_FLAGS_INVALID;
  68 }
  69
  70 const NetDevVTable ipvlan_vtable = {
  71         .object_size = sizeof(IPVlan),
  72         .init = ipvlan_init,
  73         .sections = "Match\0NetDev\0IPVLAN\0",
  74         .fill_message_create = netdev_ipvlan_fill_message_create,
  75         .create_type = NETDEV_CREATE_STACKED,
  76 };