Adding upstream version 255.4.upstream/255.4

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 31 insertions, 0 deletions

diff --git a/src/libsystemd-network/dhcp-packet.h b/src/libsystemd-network/dhcp-packet.h
new file mode 100644
index 0000000..751321b
--- /dev/null
+++ b/src/libsystemd-network/dhcp-packet.h
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "dhcp-protocol.h"
+
+int dhcp_message_init(
+                DHCPMessage *message,
+                uint8_t op,
+                uint32_t xid,
+                uint8_t type,
+                uint16_t arp_type,
+                uint8_t hlen,
+                const uint8_t *chaddr,
+                size_t optlen,
+                size_t *optoffset);
+
+uint16_t dhcp_packet_checksum(uint8_t *buf, size_t len);
+
+void dhcp_packet_append_ip_headers(
+                DHCPPacket *packet,
+                be32_t source_addr,
+                uint16_t source,
+                be32_t destination_addr,
+                uint16_t destination,
+                uint16_t len,
+                int ip_service_type);
+
+int dhcp_packet_verify_headers(DHCPPacket *packet, size_t len, bool checksum, uint16_t port);