KNAV_DMA_NUM_PS_WORDS
#define NETCP_PSDATA_LEN KNAV_DMA_NUM_PS_WORDS
(KNAV_DMA_NUM_PS_WORDS - p_info.psdata_len),
pkt_info |= KNAV_DMA_NUM_PS_WORDS << KNAV_DMA_DESC_PSLEN_SHIFT;
__le32 psdata[KNAV_DMA_NUM_PS_WORDS];