BXE_RX_ALIGN_SHIFT
rxq_init->cache_line_log = BXE_RX_ALIGN_SHIFT;
#define BXE_FW_RX_ALIGN_START (1 << BXE_RX_ALIGN_SHIFT)
#define BXE_FW_RX_ALIGN_END (1 << BXE_RX_ALIGN_SHIFT)
#define BXE_PXP_DRAM_ALIGN (BXE_RX_ALIGN_SHIFT - 5) /* XXX ??? */