ocrdma_get_dcbx_cfg_rsp
struct ocrdma_get_dcbx_cfg_rsp *rsp = NULL;
cmd.hdr.pyld_len = max_t (u32, sizeof(struct ocrdma_get_dcbx_cfg_rsp),
rsp = (struct ocrdma_get_dcbx_cfg_rsp *)req;
ocrdma_le32_to_cpu(rsp, sizeof(struct ocrdma_get_dcbx_cfg_rsp));