diff options
Diffstat (limited to 'drivers/net/bnx2x/bnx2x_rxtx.h')
| -rw-r--r-- | drivers/net/bnx2x/bnx2x_rxtx.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/drivers/net/bnx2x/bnx2x_rxtx.h b/drivers/net/bnx2x/bnx2x_rxtx.h new file mode 100644 index 00000000..ccb22fc1 --- /dev/null +++ b/drivers/net/bnx2x/bnx2x_rxtx.h @@ -0,0 +1,89 @@ +/* + * Copyright (c) 2013-2015 Brocade Communications Systems, Inc. + * + * Copyright (c) 2015 QLogic Corporation. + * All rights reserved. + * www.qlogic.com + * + * See LICENSE.bnx2x_pmd for copyright and licensing details. + */ + +#ifndef _BNX2X_RXTX_H_ +#define _BNX2X_RXTX_H_ + + +#define DEFAULT_RX_FREE_THRESH 0 +#define DEFAULT_TX_FREE_THRESH 512 +#define RTE_PMD_BNX2X_TX_MAX_BURST 1 + +/** + * Structure associated with each descriptor of the RX ring of a RX queue. + */ +struct bnx2x_rx_entry { + struct rte_mbuf *mbuf; /**< mbuf associated with RX descriptor. */ +}; + +/** + * Structure associated with each RX queue. + */ +struct bnx2x_rx_queue { + struct rte_mempool *mb_pool; /**< mbuf pool to populate RX ring. */ + union eth_rx_cqe *cq_ring; /**< RCQ ring virtual address. */ + uint64_t cq_ring_phys_addr; /**< RCQ ring DMA address. */ + uint64_t *rx_ring; /**< RX ring virtual address. */ + uint64_t rx_ring_phys_addr; /**< RX ring DMA address. */ + struct rte_mbuf **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. */ + uint16_t nb_cq_pages; /**< number of RCQ pages. */ + uint16_t nb_rx_desc; /**< number of RX descriptors. */ + uint16_t nb_rx_pages; /**< number of RX pages. */ + uint16_t rx_bd_head; /**< Index of current rx bd. */ + uint16_t rx_bd_tail; /**< Index of last rx bd. */ + uint16_t rx_cq_head; /**< Index of current rcq bd. */ + uint16_t rx_cq_tail; /**< Index of last rcq bd. */ + uint16_t nb_rx_hold; /**< number of held free RX desc. */ + 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. */ + struct bnx2x_softc *sc; /**< Ptr to dev_private data. */ + uint64_t rx_mbuf_alloc; /**< Number of allocated mbufs. */ +}; + +/** + * Structure associated with each TX queue. + */ +struct bnx2x_tx_queue { + /** TX ring virtual address. */ + union eth_tx_bd_types *tx_ring; /**< TX ring virtual address. */ + uint64_t tx_ring_phys_addr; /**< TX ring DMA address. */ + struct rte_mbuf **sw_ring; /**< virtual address of SW ring. */ + uint16_t tx_pkt_tail; /**< Index of current tx pkt. */ + uint16_t tx_pkt_head; /**< Index of last pkt counted by txeof. */ + uint16_t tx_bd_tail; /**< Index of current tx bd. */ + uint16_t tx_bd_head; /**< Index of last bd counted by txeof. */ + uint16_t nb_tx_desc; /**< number of TX descriptors. */ + uint16_t tx_free_thresh; /**< minimum TX before freeing. */ + uint16_t nb_tx_avail; /**< Number of TX descriptors available. */ + uint16_t nb_tx_pages; /**< number of TX pages */ + uint16_t queue_id; /**< TX queue index. */ + uint8_t port_id; /**< Device port identifier. */ + struct bnx2x_softc *sc; /**< Ptr to dev_private data */ +}; + +int bnx2x_dev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id, + uint16_t nb_rx_desc, unsigned int socket_id, + const struct rte_eth_rxconf *rx_conf, + struct rte_mempool *mb_pool); + +int bnx2x_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id, + uint16_t nb_tx_desc, unsigned int socket_id, + const struct rte_eth_txconf *tx_conf); + +void bnx2x_dev_rx_queue_release(void *rxq); +void bnx2x_dev_tx_queue_release(void *txq); +int bnx2x_dev_rx_init(struct rte_eth_dev *dev); +void bnx2x_dev_clear_queues(struct rte_eth_dev *dev); + +#endif /* _BNX2X_RXTX_H_ */ |