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 struct bnxt;
  10 struct bnxt_rx_ring_info;
  11 struct bnxt_cp_ring_info;
  12 struct bnxt_rx_queue {
  13         rte_spinlock_t          lock;   /* Synchronize between rx_queue_stop
  14                                          * and fast path
  15                                          */
  16         struct rte_mempool      *mb_pool; /* mbuf pool for RX ring */
  17         struct rte_mbuf         *pkt_first_seg; /* 1st seg of pkt */
  18         struct rte_mbuf         *pkt_last_seg; /* Last seg of pkt */
  19         uint64_t                mbuf_initializer; /* val to init mbuf */
  20         uint16_t                nb_rx_desc; /* num of RX desc */
  21         uint16_t                rx_tail; /* cur val of RDT register */
  22         uint16_t                nb_rx_hold; /* num held free RX desc */
  23         uint16_t                rx_free_thresh; /* max free RX desc to hold */
  24         uint16_t                queue_id; /* RX queue index */
  25         uint16_t                reg_idx; /* RX queue register index */
  26         uint16_t                port_id; /* Device port identifier */
  27         uint8_t                 crc_len; /* 0 if CRC stripped, 4 otherwise */
  28         uint8_t                 rx_deferred_start; /* not in global dev start */
  29
  30         struct bnxt             *bp;
  31         int                     index;
  32         struct bnxt_vnic_info   *vnic;
  33
  34         uint32_t                        rx_buf_size;
  35         uint32_t                        rx_buf_use_size;  /* useable size */
  36         struct bnxt_rx_ring_info        *rx_ring;
  37         struct bnxt_cp_ring_info        *cp_ring;
  38         rte_atomic64_t          rx_mbuf_alloc_fail;
  39         const struct rte_memzone *mz;
  40 };
  41
  42 void bnxt_free_rxq_stats(struct bnxt_rx_queue *rxq);
  43 int bnxt_mq_rx_configure(struct bnxt *bp);
  44 void bnxt_rx_queue_release_op(void *rx_queue);
  45 int bnxt_rx_queue_setup_op(struct rte_eth_dev *eth_dev,
  46                                uint16_t queue_idx,
  47                                uint16_t nb_desc,
  48                                unsigned int socket_id,
  49                                const struct rte_eth_rxconf *rx_conf,
  50                                struct rte_mempool *mp);
  51 void bnxt_free_rx_mbufs(struct bnxt *bp);
  52 int bnxt_rx_queue_intr_enable_op(struct rte_eth_dev *eth_dev,
  53                                  uint16_t queue_id);
  54 int bnxt_rx_queue_intr_disable_op(struct rte_eth_dev *eth_dev,
  55                                   uint16_t queue_id);
  56 int bnxt_rx_queue_start(struct rte_eth_dev *dev,
  57                         uint16_t rx_queue_id);
  58 int bnxt_rx_queue_stop(struct rte_eth_dev *dev,
  59                        uint16_t rx_queue_id);
  60 void bnxt_rx_queue_release_mbufs(struct bnxt_rx_queue *rxq);
  61 #endif