version 0.0.1

include/PacketDissection/PacketProtUdp.hpp

@@ -0,0 +1,45 @@
+/**
+ * @file PacketProtUdp.hpp
+ * @author Tobias
+ * @brief provide UDP specific functions
+ *
+ */
+
+#pragma once
+
+#include <rte_byteorder.h>
+#include <rte_ip.h>
+#include <rte_lcore.h>
+#include <rte_mbuf.h>
+#include <rte_udp.h>
+
+class PacketProtUdp {
+  public:
+    /**
+     * @brief Get packets UDP destination port
+     *
+     * @return uint16_t
+     */
+    inline static uint16_t get_dst_port(rte_udp_hdr* const udp_hdr) {
+        return rte_be_to_cpu_16(udp_hdr->dst_port);
+    }
+
+    /**
+     * @brief Get packets UDP source port
+     *
+     * @return uint16_t
+     */
+    inline static uint16_t get_src_port(rte_udp_hdr* const udp_hdr) {
+        return rte_be_to_cpu_16(udp_hdr->src_port);
+    }
+
+
+    inline static void fill_payloadless_udp_header(rte_udp_hdr* const udp_hdr,
+        uint16_t dst_port, uint16_t src_port) {
+
+        udp_hdr->dst_port = rte_cpu_to_be_16(dst_port);
+        udp_hdr->src_port = rte_cpu_to_be_16(src_port);
+        udp_hdr->dgram_len = rte_cpu_to_be_16(8);
+        udp_hdr->dgram_cksum = 0;
+    }
+};