33 /* Prevent pcap.h from including pcap/bpf.h and causing conflicts */
35 #include <pcap/pcap.h>
36 #include <pcap/dlt.h>
771 	pcap_t *pcap;  member
960 	pcap_t *pcap = ctx->pcap;  in traffic_monitor_thread()  local
978 			log_err("Fail to select on pcap fd and wake fd");  in traffic_monitor_thread()
982 		/* This instance of pcap is non-blocking */  in traffic_monitor_thread()
983 		packet = pcap_next(pcap, &header);  in traffic_monitor_thread()
1033 /* Prepare the pcap handle to capture packets.
1035  * This pcap is non-blocking and immediate mode is enabled to receive
1044 	pcap_t *pcap;  in traffic_monitor_prepare_pcap()  local
1048 	pcap = pcap_create("any", errbuf);  in traffic_monitor_prepare_pcap()
1049 	if (!pcap) {  in traffic_monitor_prepare_pcap()
1050 		log_err("Failed to open pcap: %s", errbuf);  in traffic_monitor_prepare_pcap()
1054 	r = pcap_set_snaplen(pcap, 1024);  in traffic_monitor_prepare_pcap()
1056 		log_err("Failed to set snaplen: %s", pcap_geterr(pcap));  in traffic_monitor_prepare_pcap()
1060 	r = pcap_set_immediate_mode(pcap, 1);  in traffic_monitor_prepare_pcap()
1062 		log_err("Failed to set immediate mode: %s", pcap_geterr(pcap));  in traffic_monitor_prepare_pcap()
1065 	r = pcap_setnonblock(pcap, 1, errbuf);  in traffic_monitor_prepare_pcap()
1070 	r = pcap_activate(pcap);  in traffic_monitor_prepare_pcap()
1072 		log_err("Failed to activate pcap: %s", pcap_geterr(pcap));  in traffic_monitor_prepare_pcap()
1076 	r = pcap_set_datalink(pcap, DLT_LINUX_SLL2);  in traffic_monitor_prepare_pcap()
1078 		log_err("Failed to set datalink: %s", pcap_geterr(pcap));  in traffic_monitor_prepare_pcap()
1082 	return pcap;  in traffic_monitor_prepare_pcap()
1084 	pcap_close(pcap);  in traffic_monitor_prepare_pcap()
1147 	ctx->pcap = traffic_monitor_prepare_pcap();  in traffic_monitor_start()
1148 	if (!ctx->pcap)  in traffic_monitor_start()
1150 	ctx->pcap_fd = pcap_get_selectable_fd(ctx->pcap);  in traffic_monitor_start()
1152 		log_err("Failed to get pcap fd");  in traffic_monitor_start()
1157 	ctx->dumper = pcap_dump_open(ctx->pcap, ctx->pkt_fname);  in traffic_monitor_start()
1159 		log_err("Failed to open pcap dump: %s", ctx->pkt_fname);  in traffic_monitor_start()
1188 	pcap_close(ctx->pcap);  in traffic_monitor_start()
1201 	pcap_close(ctx->pcap);  in traffic_monitor_release()