| /* 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, |
| }; |