94 lines
2.5 KiB
C
94 lines
2.5 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2010-2015 Intel Corporation
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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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enum {VIRTIO_RXQ, VIRTIO_TXQ, VIRTIO_QNUM};
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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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