upgt_lmac_header
sizeof(struct upgt_lmac_header)) + block);
struct upgt_lmac_header *header;
header = (struct upgt_lmac_header *)(data->buf + 4);
sizeof(struct upgt_lmac_stats) - sizeof(struct upgt_lmac_header));
sizeof(struct upgt_lmac_header));
sizeof(struct upgt_lmac_header));
sizeof(struct upgt_lmac_channel) - sizeof(struct upgt_lmac_header));
#define UPGT_RX_MINSZ (sizeof(struct upgt_lmac_header) + 4)