tpacket2_hdr
#define TPACKET2_HDRLEN (TPACKET_ALIGN(sizeof(struct tpacket2_hdr)) + sizeof(struct sockaddr_ll))
struct tpacket2_hdr *h2;
val = sizeof(struct tpacket2_hdr);
struct tpacket2_hdr *header = ring;
static inline int __v2_rx_kernel_ready(struct tpacket2_hdr *hdr)
static inline void __v2_rx_user_ready(struct tpacket2_hdr *hdr)
static inline int __v2_tx_kernel_ready(struct tpacket2_hdr *hdr)
static inline void __v2_tx_user_ready(struct tpacket2_hdr *hdr)
struct tpacket2_hdr tp_h __aligned_tpacket;
struct sockaddr_ll s_ll __align_tpacket(sizeof(struct tpacket2_hdr));