ceph/src/spdk/dpdk/drivers/net/virtio/virtio_rxtx.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2015 Intel Corporation
   3  */
   4
   5 #ifndef _VIRTIO_RXTX_H_
   6 #define _VIRTIO_RXTX_H_
   7
   8 #define RTE_PMD_VIRTIO_RX_MAX_BURST 64
   9
  10 struct virtnet_stats {
  11         uint64_t        packets;
  12         uint64_t        bytes;
  13         uint64_t        errors;
  14         uint64_t        multicast;
  15         uint64_t        broadcast;
  16         /* Size bins in array as RFC 2819, undersized [0], 64 [1], etc */
  17         uint64_t        size_bins[8];
  18 };
  19
  20 struct virtnet_rx {
  21         struct virtqueue *vq;
  22         /* dummy mbuf, for wraparound when processing RX ring. */
  23         struct rte_mbuf fake_mbuf;
  24         uint64_t mbuf_initializer; /**< value to init mbufs. */
  25         struct rte_mempool *mpool; /**< mempool for mbuf allocation */
  26
  27         uint16_t queue_id;   /**< DPDK queue index. */
  28         uint16_t port_id;     /**< Device port identifier. */
  29
  30         /* Statistics */
  31         struct virtnet_stats stats;
  32
  33         const struct rte_memzone *mz; /**< mem zone to populate RX ring. */
  34 };
  35
  36 struct virtnet_tx {
  37         struct virtqueue *vq;
  38         /**< memzone to populate hdr. */
  39         const struct rte_memzone *virtio_net_hdr_mz;
  40         rte_iova_t virtio_net_hdr_mem;   /**< hdr for each xmit packet */
  41
  42         uint16_t    queue_id;            /**< DPDK queue index. */
  43         uint16_t    port_id;             /**< Device port identifier. */
  44
  45         /* Statistics */
  46         struct virtnet_stats stats;
  47
  48         const struct rte_memzone *mz;    /**< mem zone to populate TX ring. */
  49 };
  50
  51 struct virtnet_ctl {
  52         struct virtqueue *vq;
  53         /**< memzone to populate hdr. */
  54         const struct rte_memzone *virtio_net_hdr_mz;
  55         rte_iova_t virtio_net_hdr_mem;  /**< hdr for each xmit packet */
  56         uint16_t port_id;               /**< Device port identifier. */
  57         const struct rte_memzone *mz;   /**< mem zone to populate CTL ring. */
  58         rte_spinlock_t lock;              /**< spinlock for control queue. */
  59 };
  60
  61 int virtio_rxq_vec_setup(struct virtnet_rx *rxvq);
  62 void virtio_update_packet_stats(struct virtnet_stats *stats,
  63                                 struct rte_mbuf *mbuf);
  64
  65 #endif /* _VIRTIO_RXTX_H_ */