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Signed-off-by: Jin Liu Signed-off-by: Diana Wang Signed-off-by: Peng Zhang Signed-off-by: Chaoyong He Signed-off-by: Niklas Söderlund --- drivers/net/nfp/nfp_rxtx.h | 58 +++++++++++++++++++++++++++++++++++++- 1 file changed, 57 insertions(+), 1 deletion(-) diff --git a/drivers/net/nfp/nfp_rxtx.h b/drivers/net/nfp/nfp_rxtx.h index d784f52b66..106980b9a7 100644 --- a/drivers/net/nfp/nfp_rxtx.h +++ b/drivers/net/nfp/nfp_rxtx.h @@ -53,6 +53,31 @@ #define PCIE_DESC_TX_ENCAP_VXLAN (1 << 1) #define PCIE_DESC_TX_ENCAP_GRE (1 << 0) +#define NFDK_TX_MAX_DATA_PER_HEAD 0x00001000 +#define NFDK_DESC_TX_DMA_LEN_HEAD 0x0fff +#define NFDK_DESC_TX_TYPE_HEAD 0xf000 +#define NFDK_DESC_TX_DMA_LEN 0x3fff +#define NFDK_TX_DESC_PER_SIMPLE_PKT 2 +#define NFDK_DESC_TX_TYPE_TSO 2 +#define NFDK_DESC_TX_TYPE_SIMPLE 8 +#define NFDK_DESC_TX_TYPE_GATHER 1 +#define NFDK_DESC_TX_EOP BIT(14) +#define NFDK_DESC_TX_L4_CSUM BIT(1) +#define NFDK_DESC_TX_L3_CSUM BIT(0) + +#define NFDK_TX_MAX_DATA_PER_DESC 0x00004000 +#define NFDK_TX_DESC_GATHER_MAX 17 +#define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d)) +#define NFDK_TX_DESC_BLOCK_SZ 256 +#define NFDK_TX_DESC_BLOCK_CNT (NFDK_TX_DESC_BLOCK_SZ / \ + sizeof(struct nfp_net_nfdk_tx_desc)) +#define NFDK_TX_DESC_STOP_CNT (NFDK_TX_DESC_BLOCK_CNT * \ + NFDK_TX_DESC_PER_SIMPLE_PKT) +#define NFDK_TX_MAX_DATA_PER_BLOCK 0x00010000 +#define D_BLOCK_CPL(idx) (NFDK_TX_DESC_BLOCK_CNT - \ + (idx) % NFDK_TX_DESC_BLOCK_CNT) +#define D_IDX(ring, idx) ((idx) & ((ring)->tx_count - 1)) + struct nfp_net_nfd3_tx_desc { union { struct { @@ -84,6 +109,33 @@ struct nfp_net_nfd3_tx_desc { }; }; +struct nfp_net_nfdk_tx_desc { + union { + struct { + __le16 dma_addr_hi; /* High bits of host buf address */ + __le16 dma_len_type; /* Length to DMA for this desc */ + __le32 dma_addr_lo; /* Low 32bit of host buf addr */ + }; + + struct { + __le16 mss; /* MSS to be used for LSO */ + uint8_t lso_hdrlen; /* LSO, TCP payload offset */ + uint8_t lso_totsegs; /* LSO, total segments */ + uint8_t l3_offset; /* L3 header offset */ + uint8_t l4_offset; /* L4 header offset */ + __le16 lso_meta_res; /* Rsvd bits in TSO metadata */ + }; + + struct { + uint8_t flags; /* TX Flags, see @NFDK_DESC_TX_* */ + uint8_t reserved[7]; /* meta byte placeholder */ + }; + + __le32 vals[2]; + __le64 raw; + }; +}; + struct nfp_net_txq { struct nfp_net_hw *hw; /* Backpointer to nfp_net structure */ @@ -124,7 +176,10 @@ struct nfp_net_txq { * of the queue and @size is the size in bytes for the queue * (needed for free) */ - struct nfp_net_nfd3_tx_desc *txds; + union { + struct nfp_net_nfd3_tx_desc *txds; + struct nfp_net_nfdk_tx_desc *ktxds; + }; /* * At this point 48 bytes have been used for all the fields in the @@ -137,6 +192,7 @@ struct nfp_net_txq { uint32_t tx_hthresh; /* not used by now. Future? */ uint32_t tx_wthresh; /* not used by now. Future? */ uint16_t port_id; + uint16_t data_pending; /* used by nfdk only */ int qidx; int tx_qcidx; __le64 dma;