TSG-7784 PacketAdapter支持CI自动构建RPM; 修改代码结构

common/include/decode_ipv4.h

@@ -0,0 +1,55 @@
+#ifndef _DECODE_IPV4_H
+#define _DECODE_IPV4_H
+
+#ifdef __cpluscplus
+extern "C"
+{
+#endif
+
+#include "public.h"
+
+#define IPV4_HEADER_LEN 20
+
+    typedef struct ipv4_header_s
+    {
+        uint8_t ip_verhl; // version & header length
+        uint8_t ip_tos;
+        uint16_t ip_len;
+        uint16_t ip_id;
+        uint16_t ip_off;
+        uint8_t ip_ttl;
+        uint8_t ip_proto;
+        uint16_t ip_csum;
+        union
+        {
+            struct
+            {
+                struct in_addr ip_src;
+                struct in_addr ip_dst;
+            } ip4_un1;
+            uint16_t ip_addrs[4];
+        } ip4_hdrun1;
+    } __attribute__((__packed__)) ipv4_header_t;
+
+    typedef struct ipv4_info_s
+    {
+        char src_addr[INET_ADDRSTRLEN];
+        char dst_addr[INET_ADDRSTRLEN];
+
+        ipv4_header_t *hdr;
+        uint8_t *payload;
+        uint8_t next_protocol;
+
+        uint32_t hdr_len;
+        uint32_t opts_len;
+        uint32_t payload_len;
+    } ipv4_info_t;
+
+    int decode_ipv4(ipv4_info_t *packet, const uint8_t *data, uint32_t len);
+    void dump_ipv4_info(uint32_t pkt_id, ipv4_info_t *packet);
+
+#ifdef __cpluscplus
+}
+#endif
+
+#endif