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/* SPDX-License-Identifier: LGPL-2.1-or-later
* Copyright © 2020 VMware, Inc. */
#include <netinet/in.h>
#include <linux/if_arp.h>
#include "bareudp.h"
#include "netlink-util.h"
#include "networkd-manager.h"
#include "string-table.h"
static const char* const bare_udp_protocol_table[_BARE_UDP_PROTOCOL_MAX] = {
[BARE_UDP_PROTOCOL_IPV4] = "ipv4",
[BARE_UDP_PROTOCOL_IPV6] = "ipv6",
[BARE_UDP_PROTOCOL_MPLS_UC] = "mpls-uc",
[BARE_UDP_PROTOCOL_MPLS_MC] = "mpls-mc",
};
DEFINE_STRING_TABLE_LOOKUP(bare_udp_protocol, BareUDPProtocol);
DEFINE_CONFIG_PARSE_ENUM(config_parse_bare_udp_iftype, bare_udp_protocol, BareUDPProtocol,
"Failed to parse EtherType=");
static int netdev_bare_udp_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *m) {
BareUDP *u;
int r;
assert(netdev);
assert(m);
u = BAREUDP(netdev);
assert(u);
r = sd_netlink_message_append_u16(m, IFLA_BAREUDP_ETHERTYPE, htobe16(u->iftype));
if (r < 0)
return r;
r = sd_netlink_message_append_u16(m, IFLA_BAREUDP_PORT, htobe16(u->dest_port));
if (r < 0)
return r;
return 0;
}
static int netdev_bare_udp_verify(NetDev *netdev, const char *filename) {
BareUDP *u;
assert(netdev);
assert(filename);
u = BAREUDP(netdev);
assert(u);
if (u->dest_port == 0)
return log_netdev_warning_errno(netdev, SYNTHETIC_ERRNO(EINVAL),
"%s: BareUDP DesinationPort= is not set. Ignoring.", filename);
if (u->iftype == _BARE_UDP_PROTOCOL_INVALID)
return log_netdev_warning_errno(netdev, SYNTHETIC_ERRNO(EINVAL),
"%s: BareUDP EtherType= is not set. Ignoring.", filename);
return 0;
}
static void bare_udp_init(NetDev *netdev) {
BareUDP *u;
assert(netdev);
u = BAREUDP(netdev);
assert(u);
u->iftype = _BARE_UDP_PROTOCOL_INVALID;
}
const NetDevVTable bare_udp_vtable = {
.object_size = sizeof(BareUDP),
.sections = NETDEV_COMMON_SECTIONS "BareUDP\0",
.init = bare_udp_init,
.config_verify = netdev_bare_udp_verify,
.fill_message_create = netdev_bare_udp_fill_message_create,
.create_type = NETDEV_CREATE_INDEPENDENT,
.iftype = ARPHRD_NONE,
};
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