4ecf22e356
With all the previous prepare works, we are just one step away from the final ABI refactoring. That is, to change current API to let them stick to vid instead of the old virtio_net dev. Signed-off-by: Yuanhan Liu <yuanhan.liu@linux.intel.com> Tested-by: Rich Lane <rich.lane@bigswitch.com> Acked-by: Rich Lane <rich.lane@bigswitch.com>
121 lines
4.0 KiB
C
121 lines
4.0 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright(c) 2010-2015 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 _MAIN_H_
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#define _MAIN_H_
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#include <rte_ether.h>
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/* Macros for printing using RTE_LOG */
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#define RTE_LOGTYPE_VHOST_CONFIG RTE_LOGTYPE_USER1
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#define RTE_LOGTYPE_VHOST_DATA RTE_LOGTYPE_USER2
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#define RTE_LOGTYPE_VHOST_PORT RTE_LOGTYPE_USER3
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/* State of virtio device. */
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#define DEVICE_MAC_LEARNING 0
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#define DEVICE_RX 1
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#define DEVICE_SAFE_REMOVE 2
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#define MAX_QUEUES 512
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/* Max burst size for RX/TX */
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#define MAX_PKT_BURST 32
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/* Max number of devices. Limited by the application. */
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#define MAX_DEVICES 64
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/* Per-device statistics struct */
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struct device_statistics {
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uint64_t tx_total;
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rte_atomic64_t rx_total_atomic;
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uint64_t rx_total;
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uint64_t tx;
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rte_atomic64_t rx_atomic;
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/**< Bad inner IP csum for tunneling pkt */
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rte_atomic64_t rx_bad_ip_csum;
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/**< Bad inner L4 csum for tunneling pkt */
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rte_atomic64_t rx_bad_l4_csum;
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} __rte_cache_aligned;
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/**
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* Device linked list structure for data path.
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*/
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struct vhost_dev {
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int vid;
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/**< Number of memory regions for gpa to hpa translation. */
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uint32_t nregions_hpa;
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/**< Memory region information for gpa to hpa translation. */
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struct virtio_memory_regions_hpa *regions_hpa;
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/**< Device MAC address (Obtained on first TX packet). */
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struct ether_addr mac_address;
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/**< RX queue number. */
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uint16_t rx_q;
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/**< Data core that the device is added to. */
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uint16_t coreid;
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/**< A device is set as ready if the MAC address has been set. */
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volatile uint8_t ready;
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/**< Device is marked for removal from the data core. */
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volatile uint8_t remove;
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} __rte_cache_aligned;
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/**
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* Structure containing data core specific information.
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*/
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struct lcore_ll_info {
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/**< Pointer to head in free linked list. */
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struct virtio_net_data_ll *ll_root_free;
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/**< Pointer to head of used linked list. */
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struct virtio_net_data_ll *ll_root_used;
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/**< Number of devices on lcore. */
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uint32_t device_num;
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/**< Flag to synchronize device removal. */
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volatile uint8_t dev_removal_flag;
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};
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struct lcore_info {
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/**< Pointer to data core specific lcore_ll_info struct */
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struct lcore_ll_info *lcore_ll;
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};
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struct virtio_net_data_ll {
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/**< Pointer to device created by configuration core. */
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struct vhost_dev *vdev;
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/**< Pointer to next device in linked list. */
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struct virtio_net_data_ll *next;
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};
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uint32_t
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virtio_dev_rx(int vid, struct rte_mbuf **pkts, uint32_t count);
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#endif /* _MAIN_H_ */
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