fc_std_fdmi_rhba
struct fc_std_fdmi_rhba *prhba;
prhba = (struct fc_std_fdmi_rhba *) (frame + FNIC_ETH_FCOE_HDRS_OFFSET);
*prhba = (struct fc_std_fdmi_rhba) {
len = sizeof(struct fc_std_fdmi_rhba) + attr_off_bytes;