bpf

1 files changed, 19 insertions, 0 deletions

diff --git a/pcap/bpf.h b/pcap/bpf.h
index ff88fd0..577c8e3 100644
--- a/pcap/bpf.h
+++ b/pcap/bpf.h
@@ -100,6 +100,25 @@ typedef	u_int bpf_u_int32;
 #define BPF_WORDALIGN(x) (((x)+(BPF_ALIGNMENT-1))&~(BPF_ALIGNMENT-1))
 
 /*
+ * Struct returned by BIOCGSTATS.
+ */
+struct bpf_stat {
+	u_int bs_recv;		/* number of packets received */
+	u_int bs_drop;		/* number of packets dropped */
+};
+
+/*
+ * Structure prepended to each packet.
+ */
+struct bpf_hdr {
+	struct timeval	bh_tstamp;	/* time stamp */
+	bpf_u_int32	bh_caplen;	/* length of captured portion */
+	bpf_u_int32	bh_datalen;	/* original length of packet */
+	u_short		bh_hdrlen;	/* length of bpf header (this struct
+					   plus alignment padding) */
+};
+
+/*
  * Structure for "pcap_compile()", "pcap_setfilter()", etc..
  */
 struct bpf_program {