hhlen            1935 net/packet/af_packet.c 		unsigned int hhlen = dev->header_ops ? dev->hard_header_len : 0;
hhlen            1949 net/packet/af_packet.c 		if (hhlen) {
hhlen            1950 net/packet/af_packet.c 			skb->data -= hhlen;
hhlen            1951 net/packet/af_packet.c 			skb->tail -= hhlen;
hhlen            1952 net/packet/af_packet.c 			if (len < hhlen)