Refactored packet API to support struct layer (using union to contain different types of encapsulation headers)

src/session/test/gtest_overload_evict_tcp_sess.cpp

@@ -67,6 +67,7 @@ TEST(TCP_OVERLOAD, EVICT_OLD_SESS)
 
     // C2S SYN Packet
     printf("\n=> Packet Parse: TCP C2S SYN packet\n");
+    memset(&pkt, 0, sizeof(pkt));
     packet_parse(&pkt, (const char *)tcp_pkt1_c2s_syn, sizeof(tcp_pkt1_c2s_syn));
     printf("<= Packet Parse: done\n\n");
 
@@ -107,6 +108,7 @@ TEST(TCP_OVERLOAD, EVICT_NEW_SESS)
 
     // C2S SYN Packet
     printf("\n=> Packet Parse: TCP C2S SYN packet\n");
+    memset(&pkt, 0, sizeof(pkt));
     packet_parse(&pkt, (const char *)tcp_pkt1_c2s_syn, sizeof(tcp_pkt1_c2s_syn));
     printf("<= Packet Parse: done\n\n");