drivers/net/bnxt/bnxt_rxq.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2014-2018 Broadcom
   3  * All rights reserved.
   4  */
   5
   6 #ifndef _BNXT_RQX_H_
   7 #define _BNXT_RQX_H_
   8
   9 /* Maximum receive burst supported in vector mode. */
  10 #define RTE_BNXT_MAX_RX_BURST           64U
  11
  12 struct bnxt;
  13 struct bnxt_rx_ring_info;
  14 struct bnxt_cp_ring_info;
  15 struct bnxt_rx_queue {
  16         rte_spinlock_t          lock;   /* Synchronize between rx_queue_stop
  17                                          * and fast path
  18                                          */
  19         struct rte_mempool      *mb_pool; /* mbuf pool for RX ring */
  20         struct rte_mbuf         *pkt_first_seg; /* 1st seg of pkt */
  21         struct rte_mbuf         *pkt_last_seg; /* Last seg of pkt */
  22         uint64_t                mbuf_initializer; /* val to init mbuf */
  23         uint16_t                nb_rx_desc; /* num of RX desc */
  24         uint16_t                rx_tail; /* cur val of RDT register */
  25         uint16_t                nb_rx_hold; /* num held free RX desc */
  26         uint16_t                rx_free_thresh; /* max free RX desc to hold */
  27         uint16_t                queue_id; /* RX queue index */
  28 #if defined(RTE_ARCH_X86) || defined(RTE_ARCH_ARM64)
  29         uint16_t                rxrearm_nb; /* number of descs to reinit. */
  30         uint16_t                rxrearm_start; /* next desc index to reinit. */
  31 #endif
  32         uint16_t                reg_idx; /* RX queue register index */
  33         uint16_t                port_id; /* Device port identifier */
  34         uint8_t                 crc_len; /* 0 if CRC stripped, 4 otherwise */
  35         uint8_t                 rx_deferred_start; /* not in global dev start */
  36         uint8_t                 rx_started; /* RX queue is started */
  37
  38         struct bnxt             *bp;
  39         int                     index;
  40         struct bnxt_vnic_info   *vnic;
  41
  42         uint32_t                        rx_buf_size;
  43         struct bnxt_rx_ring_info        *rx_ring;
  44         struct bnxt_cp_ring_info        *cp_ring;
  45         struct rte_mbuf                 fake_mbuf;
  46         rte_atomic64_t          rx_mbuf_alloc_fail;
  47         const struct rte_memzone *mz;
  48 };
  49
  50 void bnxt_free_rxq_stats(struct bnxt_rx_queue *rxq);
  51 int bnxt_mq_rx_configure(struct bnxt *bp);
  52 void bnxt_rx_queue_release_op(void *rx_queue);
  53 int bnxt_rx_queue_setup_op(struct rte_eth_dev *eth_dev,
  54                                uint16_t queue_idx,
  55                                uint16_t nb_desc,
  56                                unsigned int socket_id,
  57                                const struct rte_eth_rxconf *rx_conf,
  58                                struct rte_mempool *mp);
  59 void bnxt_free_rx_mbufs(struct bnxt *bp);
  60 int bnxt_rx_queue_intr_enable_op(struct rte_eth_dev *eth_dev,
  61                                  uint16_t queue_id);
  62 int bnxt_rx_queue_intr_disable_op(struct rte_eth_dev *eth_dev,
  63                                   uint16_t queue_id);
  64 int bnxt_rx_queue_start(struct rte_eth_dev *dev,
  65                         uint16_t rx_queue_id);
  66 int bnxt_rx_queue_stop(struct rte_eth_dev *dev,
  67                        uint16_t rx_queue_id);
  68 void bnxt_rx_queue_release_mbufs(struct bnxt_rx_queue *rxq);
  69 #endif