#define PACKET_RX_RING 5
#define PACKET_STATISTICS 6
#define PACKET_COPY_THRESH 7
+#define PACKET_AUXDATA 8
+#define PACKET_ORIGDEV 9
+#define PACKET_VERSION 10
+#define PACKET_HDRLEN 11
+#define PACKET_RESERVE 12
struct tpacket_stats
{
unsigned int tp_drops;
};
+struct tpacket_auxdata
+{
+ __u32 tp_status;
+ __u32 tp_len;
+ __u32 tp_snaplen;
+ __u16 tp_mac;
+ __u16 tp_net;
+ __u16 tp_vlan_tci;
+};
+
struct tpacket_hdr
{
unsigned long tp_status;
#define TPACKET_ALIGN(x) (((x)+TPACKET_ALIGNMENT-1)&~(TPACKET_ALIGNMENT-1))
#define TPACKET_HDRLEN (TPACKET_ALIGN(sizeof(struct tpacket_hdr)) + sizeof(struct sockaddr_ll))
+struct tpacket2_hdr
+{
+ __u32 tp_status;
+ __u32 tp_len;
+ __u32 tp_snaplen;
+ __u16 tp_mac;
+ __u16 tp_net;
+ __u32 tp_sec;
+ __u32 tp_nsec;
+ __u16 tp_vlan_tci;
+};
+
+#define TPACKET2_HDRLEN (TPACKET_ALIGN(sizeof(struct tpacket2_hdr)) + sizeof(struct sockaddr_ll))
+
+enum tpacket_versions
+{
+ TPACKET_V1,
+ TPACKET_V2,
+};
+
/*
Frame structure: