struct nfp_net_tx_desc {
union {
struct {
- uint8_t dma_addr_hi; /* High bits of host buf address */
+ uint8_t dma_addr_hi; /* High bits of host buf address */
__le16 dma_len; /* Length to DMA for this desc */
- uint8_t offset_eop; /* Offset in buf where pkt starts +
+ uint8_t offset_eop; /* Offset in buf where pkt starts +
* highest bit is eop flag.
*/
__le32 dma_addr_lo; /* Low 32bit of host buf addr */
- __le16 lso; /* MSS to be used for LSO */
- uint8_t l4_offset; /* LSO, where the L4 data starts */
- uint8_t flags; /* TX Flags, see @PCIE_DESC_TX_* */
-
- __le16 vlan; /* VLAN tag to add if indicated */
+ __le16 mss; /* MSS to be used for LSO */
+ uint8_t lso_hdrlen; /* LSO, where the data starts */
+ uint8_t flags; /* TX Flags, see @PCIE_DESC_TX_* */
+
+ union {
+ struct {
+ /*
+ * L3 and L4 header offsets required
+ * for TSOv2
+ */
+ uint8_t l3_offset;
+ uint8_t l4_offset;
+ };
+ __le16 vlan; /* VLAN tag to add if indicated */
+ };
__le16 data_len; /* Length of frame + meta data */
} __attribute__((__packed__));
__le32 vals[4];
#define PCIE_DESC_RX_UDP_CSUM_OK (1 << 1)
#define PCIE_DESC_RX_VLAN (1 << 0)
+#define PCIE_DESC_RX_L4_CSUM_OK (PCIE_DESC_RX_TCP_CSUM_OK | \
+ PCIE_DESC_RX_UDP_CSUM_OK)
struct nfp_net_rx_desc {
union {
/* Freelist descriptor */