[PACKET_IO] finish pcap live mode

src/common/global_var.h

@@ -51,12 +51,13 @@ struct packet_io_config {
     /* delete after the pcap file is read */
     bool should_delete;
 
-    /* loop read pcap file in directory */
-    bool should_loop;
-
     time_t delay;
 
-    time_t poll_interval;
+    /* snapshot length */
+    int snaplen;
+
+    /* promiscuous value */
+    int promisc;
 };
 
 struct lib_config {

src/common/packet_queue.h

@@ -12,6 +12,14 @@
 
 #include "../../sdk/include/packet.h"
 
+#define PKT_QUEUE_MAX_NUM 256
+
+#define SET_PKT_LEN(p, len) do { \
+	(p)->pkt_len = (len); \
+	} while(0)
+
+#define GET_PKT_DIRECT_DATA(p) (uint8_t *)((p) + 1)
+
 struct packet_queue {
 	struct packet *top;
 	struct packet *bot;