drivers/net/bnxt/bnxt_rxq.h

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) Broadcom Limited.
   5  *   All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Broadcom Corporation nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #ifndef _BNXT_RQX_H_
  35 #define _BNXT_RQX_H_
  36
  37 struct bnxt;
  38 struct bnxt_rx_ring_info;
  39 struct bnxt_cp_ring_info;
  40 struct bnxt_rx_queue {
  41         struct rte_mempool      *mb_pool; /* mbuf pool for RX ring */
  42         struct rte_mbuf         *pkt_first_seg; /* 1st seg of pkt */
  43         struct rte_mbuf         *pkt_last_seg; /* Last seg of pkt */
  44         uint64_t                mbuf_initializer; /* val to init mbuf */
  45         uint16_t                nb_rx_desc; /* num of RX desc */
  46         uint16_t                rx_tail; /* cur val of RDT register */
  47         uint16_t                nb_rx_hold; /* num held free RX desc */
  48         uint16_t                rx_free_thresh; /* max free RX desc to hold */
  49         uint16_t                queue_id; /* RX queue index */
  50         uint16_t                reg_idx; /* RX queue register index */
  51         uint16_t                port_id; /* Device port identifier */
  52         uint8_t                 crc_len; /* 0 if CRC stripped, 4 otherwise */
  53         uint8_t                 rx_deferred_start; /* not in global dev start */
  54
  55         struct bnxt             *bp;
  56         int                     index;
  57         struct bnxt_vnic_info   *vnic;
  58
  59         uint32_t                        rx_buf_size;
  60         uint32_t                        rx_buf_use_size;  /* useable size */
  61         struct bnxt_rx_ring_info        *rx_ring;
  62         struct bnxt_cp_ring_info        *cp_ring;
  63 };
  64
  65 void bnxt_free_rxq_stats(struct bnxt_rx_queue *rxq);
  66 int bnxt_mq_rx_configure(struct bnxt *bp);
  67 void bnxt_rx_queue_release_op(void *rx_queue);
  68 int bnxt_rx_queue_setup_op(struct rte_eth_dev *eth_dev,
  69                                uint16_t queue_idx,
  70                                uint16_t nb_desc,
  71                                unsigned int socket_id,
  72                                const struct rte_eth_rxconf *rx_conf,
  73                                struct rte_mempool *mp);
  74 void bnxt_free_rx_mbufs(struct bnxt *bp);
  75 int bnxt_rx_queue_intr_enable_op(struct rte_eth_dev *eth_dev,
  76                                  uint16_t queue_id);
  77 int bnxt_rx_queue_intr_disable_op(struct rte_eth_dev *eth_dev,
  78                                   uint16_t queue_id);
  79 int bnxt_rx_queue_start(struct rte_eth_dev *dev,
  80                         uint16_t rx_queue_id);
  81 int bnxt_rx_queue_stop(struct rte_eth_dev *dev,
  82                        uint16_t rx_queue_id);
  83 #endif