13ce5e7eb9
This patch supports mergeable buffer feature in DPDK based virtio PMD, which can receive jumbo frame with larger size, like 3K, 4K or even 9K. Signed-off-by: Changchun Ouyang <changchun.ouyang@intel.com> Acked-by: Huawei Xie <huawei.xie@intel.com> Tested-by: Jingguo Fu <jingguox.fu@intel.com>
133 lines
4.1 KiB
C
133 lines
4.1 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _VIRTIO_ETHDEV_H_
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#define _VIRTIO_ETHDEV_H_
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#include <stdint.h>
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#include "virtio_pci.h"
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#define SPEED_10 10
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#define SPEED_100 100
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#define SPEED_1000 1000
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#define SPEED_10G 10000
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#define HALF_DUPLEX 1
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#define FULL_DUPLEX 2
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#ifndef PAGE_SIZE
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#define PAGE_SIZE 4096
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#endif
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#define VIRTIO_MAX_RX_QUEUES 128
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#define VIRTIO_MAX_TX_QUEUES 128
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#define VIRTIO_MAX_MAC_ADDRS 1
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#define VIRTIO_MIN_RX_BUFSIZE 64
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#define VIRTIO_MAX_RX_PKTLEN 1518
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/* Features desired/implemented by this driver. */
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#define VTNET_FEATURES \
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(VIRTIO_NET_F_MAC | \
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VIRTIO_NET_F_STATUS | \
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VIRTIO_NET_F_MQ | \
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VIRTIO_NET_F_CTRL_VQ | \
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VIRTIO_NET_F_CTRL_RX | \
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VIRTIO_NET_F_CTRL_VLAN | \
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VIRTIO_NET_F_CSUM | \
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VIRTIO_NET_F_HOST_TSO4 | \
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VIRTIO_NET_F_HOST_TSO6 | \
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VIRTIO_NET_F_HOST_ECN | \
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VIRTIO_NET_F_GUEST_CSUM | \
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VIRTIO_NET_F_GUEST_TSO4 | \
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VIRTIO_NET_F_GUEST_TSO6 | \
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VIRTIO_NET_F_GUEST_ECN | \
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VIRTIO_NET_F_MRG_RXBUF | \
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VIRTIO_RING_F_INDIRECT_DESC)
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/*
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* CQ function prototype
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*/
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void virtio_dev_cq_start(struct rte_eth_dev *dev);
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/*
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* RX/TX function prototypes
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*/
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void virtio_dev_rxtx_start(struct rte_eth_dev *dev);
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int virtio_dev_queue_setup(struct rte_eth_dev *dev,
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int queue_type,
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uint16_t queue_idx,
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uint8_t vtpci_queue_idx,
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uint16_t nb_desc,
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unsigned int socket_id,
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struct virtqueue **pvq);
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int virtio_dev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id,
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uint16_t nb_rx_desc, unsigned int socket_id,
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const struct rte_eth_rxconf *rx_conf,
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struct rte_mempool *mb_pool);
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int virtio_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
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uint16_t nb_tx_desc, unsigned int socket_id,
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const struct rte_eth_txconf *tx_conf);
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uint16_t virtio_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
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uint16_t nb_pkts);
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uint16_t virtio_recv_mergeable_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
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uint16_t nb_pkts);
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uint16_t virtio_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
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uint16_t nb_pkts);
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/*
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* Structure to store private data for each driver instance (for each port).
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*/
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struct virtio_adapter {
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struct virtio_hw hw;
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};
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#define VIRTIO_DEV_PRIVATE_TO_HW(adapter)\
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(&((struct virtio_adapter *)adapter)->hw)
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/*
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* The VIRTIO_NET_F_GUEST_TSO[46] features permit the host to send us
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* frames larger than 1514 bytes. We do not yet support software LRO
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* via tcp_lro_rx().
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*/
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#define VTNET_LRO_FEATURES (VIRTIO_NET_F_GUEST_TSO4 | \
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VIRTIO_NET_F_GUEST_TSO6 | VIRTIO_NET_F_GUEST_ECN)
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#endif /* _VIRTIO_ETHDEV_H_ */
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