diff options
Diffstat (limited to 'src/dpdk/drivers/net/virtio/virtio_rxtx.h')
| -rw-r--r-- | src/dpdk/drivers/net/virtio/virtio_rxtx.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/src/dpdk/drivers/net/virtio/virtio_rxtx.h b/src/dpdk/drivers/net/virtio/virtio_rxtx.h new file mode 100644 index 00000000..058b56a1 --- /dev/null +++ b/src/dpdk/drivers/net/virtio/virtio_rxtx.h @@ -0,0 +1,95 @@ +/*- + * 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_ */ |