ceph/src/dpdk/drivers/net/bnxt/bnxt_rxr.h

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) Broadcom Limited.
   5  *   All rights reserved.
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   7  *   Redistribution and use in source and binary forms, with or without
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  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
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  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #ifndef _BNXT_RXR_H_
  35 #define _BNXT_RXR_H_
  36
  37 #define B_RX_DB(db, prod)                                               \
  38                 (*(uint32_t *)db = (DB_KEY_RX | prod))
  39
  40 struct bnxt_sw_rx_bd {
  41         struct rte_mbuf         *mbuf; /* data associated with RX descriptor */
  42 };
  43
  44 struct bnxt_rx_ring_info {
  45         uint16_t                rx_prod;
  46         void                    *rx_doorbell;
  47
  48         struct rx_prod_pkt_bd   *rx_desc_ring;
  49         struct bnxt_sw_rx_bd    *rx_buf_ring; /* sw ring */
  50
  51         phys_addr_t             rx_desc_mapping;
  52
  53         struct bnxt_ring        *rx_ring_struct;
  54 };
  55
  56 uint16_t bnxt_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
  57                                uint16_t nb_pkts);
  58 void bnxt_free_rx_rings(struct bnxt *bp);
  59 int bnxt_init_rx_ring_struct(struct bnxt_rx_queue *rxq, unsigned int socket_id);
  60 int bnxt_init_one_rx_ring(struct bnxt_rx_queue *rxq);
  61
  62 #endif