rte_le32_t dw3; /* w.mss_l4len_idx */
};
+/* @ngbe_tx_ctx_desc.dw0 */
+#define NGBE_TXD_IPLEN(v) LS(v, 0, 0x1FF) /* ip/fcoe header end */
+#define NGBE_TXD_MACLEN(v) LS(v, 9, 0x7F) /* desc mac len */
+#define NGBE_TXD_VLAN(v) LS(v, 16, 0xFFFF) /* vlan tag */
+
+/* @ngbe_tx_ctx_desc.dw1 */
+/*** bit 0-31, when NGBE_TXD_DTYP_FCOE=0 ***/
+#define NGBE_TXD_IPSEC_SAIDX(v) LS(v, 0, 0x3FF) /* ipsec SA index */
+#define NGBE_TXD_ETYPE(v) LS(v, 11, 0x1) /* tunnel type */
+#define NGBE_TXD_ETYPE_UDP LS(0, 11, 0x1)
+#define NGBE_TXD_ETYPE_GRE LS(1, 11, 0x1)
+#define NGBE_TXD_EIPLEN(v) LS(v, 12, 0x7F) /* tunnel ip header */
+#define NGBE_TXD_DTYP_FCOE MS(16, 0x1) /* FCoE/IP descriptor */
+#define NGBE_TXD_ETUNLEN(v) LS(v, 21, 0xFF) /* tunnel header */
+#define NGBE_TXD_DECTTL(v) LS(v, 29, 0xF) /* decrease ip TTL */
+
+/* @ngbe_tx_ctx_desc.dw2 */
+#define NGBE_TXD_IPSEC_ESPLEN(v) LS(v, 1, 0x1FF) /* ipsec ESP length */
+#define NGBE_TXD_SNAP MS(10, 0x1) /* SNAP indication */
+#define NGBE_TXD_TPID_SEL(v) LS(v, 11, 0x7) /* vlan tag index */
+#define NGBE_TXD_IPSEC_ESP MS(14, 0x1) /* ipsec type: esp=1 ah=0 */
+#define NGBE_TXD_IPSEC_ESPENC MS(15, 0x1) /* ESP encrypt */
+#define NGBE_TXD_CTXT MS(20, 0x1) /* context descriptor */
+#define NGBE_TXD_PTID(v) LS(v, 24, 0xFF) /* packet type */
/* @ngbe_tx_ctx_desc.dw3 */
#define NGBE_TXD_DD MS(0, 0x1) /* descriptor done */
+#define NGBE_TXD_IDX(v) LS(v, 4, 0x1) /* ctxt desc index */
+#define NGBE_TXD_L4LEN(v) LS(v, 8, 0xFF) /* l4 header length */
+#define NGBE_TXD_MSS(v) LS(v, 16, 0xFFFF) /* l4 MSS */
/**
* Transmit Data Descriptor (NGBE_TXD_TYP=DATA)
rte_le32_t dw3; /* r.olinfo_status, w.status */
};
+/* @ngbe_tx_desc.dw2 */
+#define NGBE_TXD_DATLEN(v) ((0xFFFF & (v))) /* data buffer length */
+#define NGBE_TXD_1588 ((0x1) << 19) /* IEEE1588 time stamp */
+#define NGBE_TXD_DATA ((0x0) << 20) /* data descriptor */
+#define NGBE_TXD_EOP ((0x1) << 24) /* End of Packet */
+#define NGBE_TXD_FCS ((0x1) << 25) /* Insert FCS */
+#define NGBE_TXD_LINKSEC ((0x1) << 26) /* Insert LinkSec */
+#define NGBE_TXD_ECU ((0x1) << 28) /* forward to ECU */
+#define NGBE_TXD_CNTAG ((0x1) << 29) /* insert CN tag */
+#define NGBE_TXD_VLE ((0x1) << 30) /* insert VLAN tag */
+#define NGBE_TXD_TSE ((0x1) << 31) /* transmit segmentation */
+
+#define NGBE_TXD_FLAGS (NGBE_TXD_FCS | NGBE_TXD_EOP)
+
+/* @ngbe_tx_desc.dw3 */
+#define NGBE_TXD_DD_UNUSED NGBE_TXD_DD
+#define NGBE_TXD_IDX_UNUSED(v) NGBE_TXD_IDX(v)
+#define NGBE_TXD_CC ((0x1) << 7) /* check context */
+#define NGBE_TXD_IPSEC ((0x1) << 8) /* request ipsec offload */
+#define NGBE_TXD_L4CS ((0x1) << 9) /* insert TCP/UDP/SCTP csum */
+#define NGBE_TXD_IPCS ((0x1) << 10) /* insert IPv4 csum */
+#define NGBE_TXD_EIPCS ((0x1) << 11) /* insert outer IP csum */
+#define NGBE_TXD_MNGFLT ((0x1) << 12) /* enable management filter */
+#define NGBE_TXD_PAYLEN(v) ((0x7FFFF & (v)) << 13) /* payload length */
+
+#define RTE_PMD_NGBE_TX_MAX_BURST 32
#define RTE_PMD_NGBE_RX_MAX_BURST 32
+#define RTE_NGBE_TX_MAX_FREE_BUF_SZ 64
#define RX_RING_SZ ((NGBE_RING_DESC_MAX + RTE_PMD_NGBE_RX_MAX_BURST) * \
sizeof(struct ngbe_rx_desc))
uint16_t queue_id; /**< RX queue index */
uint16_t reg_idx; /**< RX queue register index */
uint16_t port_id; /**< Device port identifier */
+ uint8_t crc_len; /**< 0 if CRC stripped, 4 otherwise. */
uint8_t drop_en; /**< If not 0, set SRRCTL.Drop_En */
uint8_t rx_deferred_start; /**< not in global dev start */
+ /** flags to set in mbuf when a vlan is detected */
+ uint64_t vlan_flags;
+ uint64_t offloads; /**< Rx offloads with RTE_ETH_RX_OFFLOAD_* */
/** need to alloc dummy mbuf, for wraparound when scanning hw ring */
struct rte_mbuf fake_mbuf;
/** hold packets to return to application */
NGBE_CTX_NUM = 2, /**< CTX NUMBER */
};
+/** Offload features */
+union ngbe_tx_offload {
+ uint64_t data[2];
+ struct {
+ uint64_t ptid:8; /**< Packet Type Identifier. */
+ uint64_t l2_len:7; /**< L2 (MAC) Header Length. */
+ uint64_t l3_len:9; /**< L3 (IP) Header Length. */
+ uint64_t l4_len:8; /**< L4 (TCP/UDP) Header Length. */
+ uint64_t tso_segsz:16; /**< TCP TSO segment size */
+ uint64_t vlan_tci:16;
+ /**< VLAN Tag Control Identifier (CPU order). */
+
+ /* fields for TX offloading of tunnels */
+ uint64_t outer_tun_len:8; /**< Outer TUN (Tunnel) Hdr Length. */
+ uint64_t outer_l2_len:8; /**< Outer L2 (MAC) Hdr Length. */
+ uint64_t outer_l3_len:16; /**< Outer L3 (IP) Hdr Length. */
+ };
+};
+
/**
* Structure to check if new context need be built
*/
struct ngbe_ctx_info {
uint64_t flags; /**< ol_flags for context build. */
+ /**< tx offload: vlan, tso, l2-l3-l4 lengths. */
+ union ngbe_tx_offload tx_offload;
+ /** compare mask for tx offload. */
+ union ngbe_tx_offload tx_offload_mask;
};
/**
uint8_t pthresh; /**< Prefetch threshold register */
uint8_t hthresh; /**< Host threshold register */
uint8_t wthresh; /**< Write-back threshold reg */
+ uint64_t offloads; /**< Tx offload flags */
uint32_t ctx_curr; /**< Hardware context states */
/** Hardware context0 history */
struct ngbe_ctx_info ctx_cache[NGBE_CTX_NUM];
void (*reset)(struct ngbe_tx_queue *txq);
};
+/* Takes an ethdev and a queue and sets up the tx function to be used based on
+ * the queue parameters. Used in tx_queue_setup by primary process and then
+ * in dev_init by secondary process when attaching to an existing ethdev.
+ */
+void ngbe_set_tx_function(struct rte_eth_dev *dev, struct ngbe_tx_queue *txq);
+
+void ngbe_set_rx_function(struct rte_eth_dev *dev);
+int ngbe_dev_tx_done_cleanup(void *tx_queue, uint32_t free_cnt);
+
+uint64_t ngbe_get_tx_port_offloads(struct rte_eth_dev *dev);
+uint64_t ngbe_get_rx_queue_offloads(struct rte_eth_dev *dev);
+uint64_t ngbe_get_rx_port_offloads(struct rte_eth_dev *dev);
+
#endif /* _NGBE_RXTX_H_ */
git.droids-corp.org / dpdk.git / blobdiff