src/network/netdev/macvlan.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2
   3 #include <net/if.h>
   4
   5 #include "conf-parser.h"
   6 #include "macvlan.h"
   7 #include "string-table.h"
   8
   9 static const char* const macvlan_mode_table[_NETDEV_MACVLAN_MODE_MAX] = {
  10         [NETDEV_MACVLAN_MODE_PRIVATE] = "private",
  11         [NETDEV_MACVLAN_MODE_VEPA] = "vepa",
  12         [NETDEV_MACVLAN_MODE_BRIDGE] = "bridge",
  13         [NETDEV_MACVLAN_MODE_PASSTHRU] = "passthru",
  14 };
  15
  16 DEFINE_STRING_TABLE_LOOKUP(macvlan_mode, MacVlanMode);
  17 DEFINE_CONFIG_PARSE_ENUM(config_parse_macvlan_mode, macvlan_mode, MacVlanMode, "Failed to parse macvlan mode");
  18
  19 static int netdev_macvlan_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *req) {
  20         MacVlan *m;
  21         int r;
  22
  23         assert(netdev);
  24         assert(link);
  25         assert(netdev->ifname);
  26
  27         if (netdev->kind == NETDEV_KIND_MACVLAN)
  28                 m = MACVLAN(netdev);
  29         else
  30                 m = MACVTAP(netdev);
  31
  32         assert(m);
  33
  34         if (m->mode != _NETDEV_MACVLAN_MODE_INVALID) {
  35                 r = sd_netlink_message_append_u32(req, IFLA_MACVLAN_MODE, m->mode);
  36                 if (r < 0)
  37                         return log_netdev_error_errno(netdev, r, "Could not append IFLA_MACVLAN_MODE attribute: %m");
  38         }
  39
  40         return 0;
  41 }
  42
  43 static void macvlan_init(NetDev *n) {
  44         MacVlan *m;
  45
  46         assert(n);
  47
  48         if (n->kind == NETDEV_KIND_MACVLAN)
  49                 m = MACVLAN(n);
  50         else
  51                 m = MACVTAP(n);
  52
  53         assert(m);
  54
  55         m->mode = _NETDEV_MACVLAN_MODE_INVALID;
  56 }
  57
  58 const NetDevVTable macvtap_vtable = {
  59         .object_size = sizeof(MacVlan),
  60         .init = macvlan_init,
  61         .sections = "Match\0NetDev\0MACVTAP\0",
  62         .fill_message_create = netdev_macvlan_fill_message_create,
  63         .create_type = NETDEV_CREATE_STACKED,
  64         .generate_mac = true,
  65 };
  66
  67 const NetDevVTable macvlan_vtable = {
  68         .object_size = sizeof(MacVlan),
  69         .init = macvlan_init,
  70         .sections = "Match\0NetDev\0MACVLAN\0",
  71         .fill_message_create = netdev_macvlan_fill_message_create,
  72         .create_type = NETDEV_CREATE_STACKED,
  73         .generate_mac = true,
  74 };