33 /* Prevent pcap.h from including pcap/bpf.h and causing conflicts */
35 #include <pcap/pcap.h>
36 #include <pcap/dlt.h>
726 	pcap_t *pcap;  member
892 	pcap_t *pcap = ctx->pcap;  in traffic_monitor_thread()  local
910 			log_err("Fail to select on pcap fd and wake fd");  in traffic_monitor_thread()
914 		/* This instance of pcap is non-blocking */  in traffic_monitor_thread()
915 		packet = pcap_next(pcap, &header);  in traffic_monitor_thread()
965 /* Prepare the pcap handle to capture packets.
967  * This pcap is non-blocking and immediate mode is enabled to receive
976 	pcap_t *pcap;  in traffic_monitor_prepare_pcap()  local
980 	pcap = pcap_create("any", errbuf);  in traffic_monitor_prepare_pcap()
981 	if (!pcap) {  in traffic_monitor_prepare_pcap()
982 		log_err("Failed to open pcap: %s", errbuf);  in traffic_monitor_prepare_pcap()
986 	r = pcap_set_snaplen(pcap, 1024);  in traffic_monitor_prepare_pcap()
988 		log_err("Failed to set snaplen: %s", pcap_geterr(pcap));  in traffic_monitor_prepare_pcap()
992 	r = pcap_set_immediate_mode(pcap, 1);  in traffic_monitor_prepare_pcap()
994 		log_err("Failed to set immediate mode: %s", pcap_geterr(pcap));  in traffic_monitor_prepare_pcap()
997 	r = pcap_setnonblock(pcap, 1, errbuf);  in traffic_monitor_prepare_pcap()
1002 	r = pcap_activate(pcap);  in traffic_monitor_prepare_pcap()
1004 		log_err("Failed to activate pcap: %s", pcap_geterr(pcap));  in traffic_monitor_prepare_pcap()
1008 	r = pcap_set_datalink(pcap, DLT_LINUX_SLL2);  in traffic_monitor_prepare_pcap()
1010 		log_err("Failed to set datalink: %s", pcap_geterr(pcap));  in traffic_monitor_prepare_pcap()
1014 	return pcap;  in traffic_monitor_prepare_pcap()
1016 	pcap_close(pcap);  in traffic_monitor_prepare_pcap()
1079 	ctx->pcap = traffic_monitor_prepare_pcap();  in traffic_monitor_start()
1080 	if (!ctx->pcap)  in traffic_monitor_start()
1082 	ctx->pcap_fd = pcap_get_selectable_fd(ctx->pcap);  in traffic_monitor_start()
1084 		log_err("Failed to get pcap fd");  in traffic_monitor_start()
1089 	ctx->dumper = pcap_dump_open(ctx->pcap, ctx->pkt_fname);  in traffic_monitor_start()
1091 		log_err("Failed to open pcap dump: %s", ctx->pkt_fname);  in traffic_monitor_start()
1120 	pcap_close(ctx->pcap);  in traffic_monitor_start()
1133 	pcap_close(ctx->pcap);  in traffic_monitor_release()