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/*-
* BSD LICENSE
*
* Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _VIRTIO_RXTX_H_
#define _VIRTIO_RXTX_H_
#define RTE_PMD_VIRTIO_RX_MAX_BURST 64
struct virtnet_stats {
uint64_t packets;
uint64_t bytes;
uint64_t errors;
uint64_t multicast;
uint64_t broadcast;
/* Size bins in array as RFC 2819, undersized [0], 64 [1], etc */
uint64_t size_bins[8];
};
struct virtnet_rx {
struct virtqueue *vq;
/* dummy mbuf, for wraparound when processing RX ring. */
struct rte_mbuf fake_mbuf;
uint64_t mbuf_initializer; /**< value to init mbufs. */
struct rte_mempool *mpool; /**< mempool for mbuf allocation */
uint16_t queue_id; /**< DPDK queue index. */
uint8_t port_id; /**< Device port identifier. */
/* Statistics */
struct virtnet_stats stats;
const struct rte_memzone *mz; /**< mem zone to populate RX ring. */
};
struct virtnet_tx {
struct virtqueue *vq;
/**< memzone to populate hdr. */
const struct rte_memzone *virtio_net_hdr_mz;
phys_addr_t virtio_net_hdr_mem; /**< hdr for each xmit packet */
uint16_t queue_id; /**< DPDK queue index. */
uint8_t port_id; /**< Device port identifier. */
/* Statistics */
struct virtnet_stats stats;
const struct rte_memzone *mz; /**< mem zone to populate TX ring. */
};
struct virtnet_ctl {
struct virtqueue *vq;
/**< memzone to populate hdr. */
const struct rte_memzone *virtio_net_hdr_mz;
phys_addr_t virtio_net_hdr_mem; /**< hdr for each xmit packet */
uint8_t port_id; /**< Device port identifier. */
const struct rte_memzone *mz; /**< mem zone to populate RX ring. */
};
#ifdef RTE_MACHINE_CPUFLAG_SSSE3
int virtio_rxq_vec_setup(struct virtnet_rx *rxvq);
int virtqueue_enqueue_recv_refill_simple(struct virtqueue *vq,
struct rte_mbuf *m);
#endif
#endif /* _VIRTIO_RXTX_H_ */
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