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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include <net/if.h>
#include "conf-parser.h"
#include "macvlan.h"
#include "macvlan-util.h"
DEFINE_CONFIG_PARSE_ENUM(config_parse_macvlan_mode, macvlan_mode, MacVlanMode, "Failed to parse macvlan mode");
static int netdev_macvlan_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *req) {
MacVlan *m;
int r;
assert(netdev);
assert(link);
assert(netdev->ifname);
if (netdev->kind == NETDEV_KIND_MACVLAN)
m = MACVLAN(netdev);
else
m = MACVTAP(netdev);
assert(m);
if (m->mode == NETDEV_MACVLAN_MODE_SOURCE && !set_isempty(m->match_source_mac)) {
const struct ether_addr *mac_addr;
r = sd_netlink_message_append_u32(req, IFLA_MACVLAN_MACADDR_MODE, MACVLAN_MACADDR_SET);
if (r < 0)
return log_netdev_error_errno(netdev, r, "Could not append IFLA_MACVLAN_MACADDR_MODE attribute: %m");
r = sd_netlink_message_open_container(req, IFLA_MACVLAN_MACADDR_DATA);
if (r < 0)
return log_netdev_error_errno(netdev, r, "Could not open IFLA_MACVLAN_MACADDR_DATA container: %m");
SET_FOREACH(mac_addr, m->match_source_mac) {
r = sd_netlink_message_append_ether_addr(req, IFLA_MACVLAN_MACADDR, mac_addr);
if (r < 0)
return log_netdev_error_errno(netdev, r, "Could not append IFLA_MACVLAN_MACADDR attribute: %m");
}
r = sd_netlink_message_close_container(req);
if (r < 0)
return log_netdev_error_errno(netdev, r, "Could not close IFLA_MACVLAN_MACADDR_DATA container: %m");
}
if (m->mode != _NETDEV_MACVLAN_MODE_INVALID) {
r = sd_netlink_message_append_u32(req, IFLA_MACVLAN_MODE, m->mode);
if (r < 0)
return log_netdev_error_errno(netdev, r, "Could not append IFLA_MACVLAN_MODE attribute: %m");
}
return 0;
}
static void macvlan_done(NetDev *n) {
MacVlan *m;
assert(n);
if (n->kind == NETDEV_KIND_MACVLAN)
m = MACVLAN(n);
else
m = MACVTAP(n);
assert(m);
set_free_free(m->match_source_mac);
}
static void macvlan_init(NetDev *n) {
MacVlan *m;
assert(n);
if (n->kind == NETDEV_KIND_MACVLAN)
m = MACVLAN(n);
else
m = MACVTAP(n);
assert(m);
m->mode = _NETDEV_MACVLAN_MODE_INVALID;
}
const NetDevVTable macvtap_vtable = {
.object_size = sizeof(MacVlan),
.init = macvlan_init,
.done = macvlan_done,
.sections = NETDEV_COMMON_SECTIONS "MACVTAP\0",
.fill_message_create = netdev_macvlan_fill_message_create,
.create_type = NETDEV_CREATE_STACKED,
.generate_mac = true,
};
const NetDevVTable macvlan_vtable = {
.object_size = sizeof(MacVlan),
.init = macvlan_init,
.done = macvlan_done,
.sections = NETDEV_COMMON_SECTIONS "MACVLAN\0",
.fill_message_create = netdev_macvlan_fill_message_create,
.create_type = NETDEV_CREATE_STACKED,
.generate_mac = true,
};
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