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-rw-r--r--src/network/netdev/bareudp.c86
1 files changed, 86 insertions, 0 deletions
diff --git a/src/network/netdev/bareudp.c b/src/network/netdev/bareudp.c
new file mode 100644
index 0000000..24d3afb
--- /dev/null
+++ b/src/network/netdev/bareudp.c
@@ -0,0 +1,86 @@
+/* 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,
+};