4 * Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * * Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * * Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
17 * * Neither the name of Intel Corporation nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
37 #include <rte_ether.h>
40 #define LOG_LEVEL RTE_LOG_DEBUG
41 #define LOG_DEBUG(log_type, fmt, args...) RTE_LOG(DEBUG, log_type, fmt, ##args)
43 #define LOG_LEVEL RTE_LOG_INFO
44 #define LOG_DEBUG(log_type, fmt, args...) do {} while (0)
47 /* Macros for printing using RTE_LOG */
48 #define RTE_LOGTYPE_VHOST_CONFIG RTE_LOGTYPE_USER1
49 #define RTE_LOGTYPE_VHOST_DATA RTE_LOGTYPE_USER2
50 #define RTE_LOGTYPE_VHOST_PORT RTE_LOGTYPE_USER3
52 /* State of virtio device. */
53 #define DEVICE_MAC_LEARNING 0
55 #define DEVICE_SAFE_REMOVE 2
57 #define MAX_QUEUES 512
59 /* Max burst size for RX/TX */
60 #define MAX_PKT_BURST 32
62 /* Max number of devices. Limited by the application. */
63 #define MAX_DEVICES 64
65 /* Per-device statistics struct */
66 struct device_statistics {
68 rte_atomic64_t rx_total_atomic;
71 rte_atomic64_t rx_atomic;
72 /**< Bad inner IP csum for tunneling pkt */
73 rte_atomic64_t rx_bad_ip_csum;
74 /**< Bad inner L4 csum for tunneling pkt */
75 rte_atomic64_t rx_bad_l4_csum;
76 } __rte_cache_aligned;
79 * Device linked list structure for data path.
82 /**< Pointer to device created by vhost lib. */
83 struct virtio_net *dev;
84 /**< Number of memory regions for gpa to hpa translation. */
85 uint32_t nregions_hpa;
86 /**< Memory region information for gpa to hpa translation. */
87 struct virtio_memory_regions_hpa *regions_hpa;
88 /**< Device MAC address (Obtained on first TX packet). */
89 struct ether_addr mac_address;
90 /**< RX queue number. */
92 /**< Data core that the device is added to. */
94 /**< A device is set as ready if the MAC address has been set. */
95 volatile uint8_t ready;
96 /**< Device is marked for removal from the data core. */
97 volatile uint8_t remove;
98 } __rte_cache_aligned;
101 * Structure containing data core specific information.
103 struct lcore_ll_info {
104 /**< Pointer to head in free linked list. */
105 struct virtio_net_data_ll *ll_root_free;
106 /**< Pointer to head of used linked list. */
107 struct virtio_net_data_ll *ll_root_used;
108 /**< Number of devices on lcore. */
110 /**< Flag to synchronize device removal. */
111 volatile uint8_t dev_removal_flag;
115 /**< Pointer to data core specific lcore_ll_info struct */
116 struct lcore_ll_info *lcore_ll;
119 struct virtio_net_data_ll {
120 /**< Pointer to device created by configuration core. */
121 struct vhost_dev *vdev;
122 /**< Pointer to next device in linked list. */
123 struct virtio_net_data_ll *next;
127 virtio_dev_rx(struct virtio_net *dev, struct rte_mbuf **pkts, uint32_t count);
129 #endif /* _MAIN_H_ */