/*-
* BSD LICENSE
- *
+ *
* Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
* All rights reserved.
- *
+ *
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
- *
+ *
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
- *
+ *
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
#define RTE_PMD_IXGBE_TX_MAX_BURST 32
+#define RTE_PMD_IXGBE_RX_MAX_BURST 32
#ifdef RTE_LIBRTE_IXGBE_RX_ALLOW_BULK_ALLOC
-#define RTE_PMD_IXGBE_RX_MAX_BURST 32
+#define RTE_IXGBE_DESCS_PER_LOOP 4
+#elif defined(RTE_IXGBE_INC_VECTOR)
#define RTE_IXGBE_DESCS_PER_LOOP 4
#else
#define RTE_IXGBE_DESCS_PER_LOOP 1
#endif
#define RTE_MBUF_DATA_DMA_ADDR(mb) \
- (uint64_t) ((mb)->buf_physaddr + (uint64_t)((char *)((mb)->pkt.data) - \
- (char *)(mb)->buf_addr))
+ (uint64_t) ((mb)->buf_physaddr + (mb)->data_off)
#define RTE_MBUF_DATA_DMA_ADDR_DEFAULT(mb) \
(uint64_t) ((mb)->buf_physaddr + RTE_PKTMBUF_HEADROOM)
#define rte_packet_prefetch(p) do {} while(0)
#endif
+#define RTE_IXGBE_REGISTER_POLL_WAIT_10_MS 10
+#define RTE_IXGBE_WAIT_100_US 100
+#define RTE_IXGBE_VMTXSW_REGISTER_COUNT 2
+
/**
* Structure associated with each descriptor of the RX ring of a RX queue.
*/
-struct igb_rx_entry {
+struct ixgbe_rx_entry {
struct rte_mbuf *mbuf; /**< mbuf associated with RX descriptor. */
};
/**
* Structure associated with each descriptor of the TX ring of a TX queue.
*/
-struct igb_tx_entry {
+struct ixgbe_tx_entry {
struct rte_mbuf *mbuf; /**< mbuf associated with TX desc, if any. */
uint16_t next_id; /**< Index of next descriptor in ring. */
uint16_t last_id; /**< Index of last scattered descriptor. */
/**
* Structure associated with each descriptor of the TX ring of a TX queue.
*/
-struct igb_tx_entry_v {
+struct ixgbe_tx_entry_v {
struct rte_mbuf *mbuf; /**< mbuf associated with TX desc, if any. */
};
-/**
- * continuous entry sequence, gather by the same mempool
- */
-struct igb_tx_entry_seq {
- const struct rte_mempool* pool;
- uint32_t same_pool;
-};
-
/**
* Structure associated with each RX queue.
*/
-struct igb_rx_queue {
+struct ixgbe_rx_queue {
struct rte_mempool *mb_pool; /**< mbuf pool to populate RX ring. */
volatile union ixgbe_adv_rx_desc *rx_ring; /**< RX ring virtual address. */
uint64_t rx_ring_phys_addr; /**< RX ring DMA address. */
volatile uint32_t *rdt_reg_addr; /**< RDT register address. */
volatile uint32_t *rdh_reg_addr; /**< RDH register address. */
- struct igb_rx_entry *sw_ring; /**< address of RX software ring. */
+ struct ixgbe_rx_entry *sw_ring; /**< address of RX software ring. */
struct rte_mbuf *pkt_first_seg; /**< First segment of current packet. */
struct rte_mbuf *pkt_last_seg; /**< Last segment of current packet. */
+ uint64_t mbuf_initializer; /**< value to init mbufs */
uint16_t nb_rx_desc; /**< number of RX descriptors. */
uint16_t rx_tail; /**< current value of RDT register. */
uint16_t nb_rx_hold; /**< number of held free RX desc. */
#ifdef RTE_IXGBE_INC_VECTOR
uint16_t rxrearm_nb; /**< the idx we start the re-arming from */
uint16_t rxrearm_start; /**< number of remaining to be re-armed */
- __m128i misc_info; /**< cache XMM combine port_id/crc/nb_segs */
#endif
uint16_t rx_free_thresh; /**< max free RX desc to hold. */
uint16_t queue_id; /**< RX queue index. */
uint8_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. */
#ifdef RTE_LIBRTE_IXGBE_RX_ALLOW_BULK_ALLOC
/** need to alloc dummy mbuf, for wraparound when scanning hw ring */
struct rte_mbuf fake_mbuf;
IXGBE_CTX_NUM = 2, /**< CTX NUMBER */
};
+/** Offload features */
+union ixgbe_tx_offload {
+ uint64_t data;
+ struct {
+ 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). */
+ };
+};
+
+/*
+ * Compare mask for vlan_macip_len.data,
+ * should be in sync with ixgbe_vlan_macip.f layout.
+ * */
+#define TX_VLAN_CMP_MASK 0xFFFF0000 /**< VLAN length - 16-bits. */
+#define TX_MAC_LEN_CMP_MASK 0x0000FE00 /**< MAC length - 7-bits. */
+#define TX_IP_LEN_CMP_MASK 0x000001FF /**< IP length - 9-bits. */
+/** MAC+IP length. */
+#define TX_MACIP_LEN_CMP_MASK (TX_MAC_LEN_CMP_MASK | TX_IP_LEN_CMP_MASK)
+
/**
* Structure to check if new context need be built
*/
struct ixgbe_advctx_info {
- uint16_t flags; /**< ol_flags for context build. */
- uint32_t cmp_mask; /**< compare mask for vlan_macip_lens */
- union rte_vlan_macip vlan_macip_lens; /**< vlan, mac ip length. */
+ uint64_t flags; /**< ol_flags for context build. */
+ /**< tx offload: vlan, tso, l2-l3-l4 lengths. */
+ union ixgbe_tx_offload tx_offload;
+ /** compare mask for tx offload. */
+ union ixgbe_tx_offload tx_offload_mask;
};
/**
* Structure associated with each TX queue.
*/
-struct igb_tx_queue {
+struct ixgbe_tx_queue {
/** TX ring virtual address. */
volatile union ixgbe_adv_tx_desc *tx_ring;
uint64_t tx_ring_phys_addr; /**< TX ring DMA address. */
- struct igb_tx_entry *sw_ring; /**< virtual address of SW ring. */
-#ifdef RTE_IXGBE_INC_VECTOR
- /** continuous tx entry sequence within the same mempool */
- struct igb_tx_entry_seq *sw_ring_seq;
-#endif
+ struct ixgbe_tx_entry *sw_ring; /**< virtual address of SW ring. */
volatile uint32_t *tdt_reg_addr; /**< Address of TDT register. */
uint16_t nb_tx_desc; /**< number of TX descriptors. */
uint16_t tx_tail; /**< current value of TDT reg. */
uint32_t ctx_curr; /**< Hardware context states. */
/** Hardware context0 history. */
struct ixgbe_advctx_info ctx_cache[IXGBE_CTX_NUM];
- struct ixgbe_txq_ops *ops; /**< txq ops */
+ const struct ixgbe_txq_ops *ops; /**< txq ops */
+ uint8_t tx_deferred_start; /**< not in global dev start. */
};
struct ixgbe_txq_ops {
- void (*release_mbufs)(struct igb_tx_queue *txq);
- void (*free_swring)(struct igb_tx_queue *txq);
- void (*reset)(struct igb_tx_queue *txq);
+ void (*release_mbufs)(struct ixgbe_tx_queue *txq);
+ void (*free_swring)(struct ixgbe_tx_queue *txq);
+ void (*reset)(struct ixgbe_tx_queue *txq);
};
/*
IXGBE_ADVTXD_DCMD_DEXT |\
IXGBE_ADVTXD_DCMD_EOP)
+
+/* 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 ixgbe_set_tx_function(struct rte_eth_dev *dev, struct ixgbe_tx_queue *txq);
+
+/**
+ * Sets the rx_pkt_burst callback in the ixgbe rte_eth_dev instance.
+ *
+ * Sets the callback based on the device parameters:
+ * - ixgbe_hw.rx_bulk_alloc_allowed
+ * - rte_eth_dev_data.scattered_rx
+ * - rte_eth_dev_data.lro
+ * - conditions checked in ixgbe_rx_vec_condition_check()
+ *
+ * This means that the parameters above have to be configured prior to calling
+ * to this function.
+ *
+ * @dev rte_eth_dev handle
+ */
+void ixgbe_set_rx_function(struct rte_eth_dev *dev);
+
+uint16_t ixgbe_recv_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts,
+ uint16_t nb_pkts);
+uint16_t ixgbe_recv_scattered_pkts_vec(void *rx_queue,
+ struct rte_mbuf **rx_pkts, uint16_t nb_pkts);
+int ixgbe_rx_vec_dev_conf_condition_check(struct rte_eth_dev *dev);
+int ixgbe_rxq_vec_setup(struct ixgbe_rx_queue *rxq);
+
#ifdef RTE_IXGBE_INC_VECTOR
-uint16_t ixgbe_recv_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts);
-uint16_t ixgbe_xmit_pkts_vec(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts);
-int ixgbe_txq_vec_setup(struct igb_tx_queue *txq, unsigned int socket_id);
-int ixgbe_rxq_vec_setup(struct igb_rx_queue *rxq, unsigned int socket_id);
-int ixgbe_rx_vec_condition_check(struct rte_eth_dev *dev);
-#endif
-#endif
+uint16_t ixgbe_xmit_pkts_vec(void *tx_queue, struct rte_mbuf **tx_pkts,
+ uint16_t nb_pkts);
+int ixgbe_txq_vec_setup(struct ixgbe_tx_queue *txq);
+
+#endif /* RTE_IXGBE_INC_VECTOR */
+#endif /* _IXGBE_RXTX_H_ */