summaryrefslogtreecommitdiff
path: root/hw/net/vmxnet3_defs.h
blob: 71440509cabf402a09d8cfcad220c18331c13916 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
/*
 * QEMU VMWARE VMXNET3 paravirtual NIC
 *
 * Copyright (c) 2012 Ravello Systems LTD (http://ravellosystems.com)
 *
 * Developed by Daynix Computing LTD (http://www.daynix.com)
 *
 * Authors:
 * Dmitry Fleytman <dmitry@daynix.com>
 * Tamir Shomer <tamirs@daynix.com>
 * Yan Vugenfirer <yan@daynix.com>
 *
 * This work is licensed under the terms of the GNU GPL, version 2.
 * See the COPYING file in the top-level directory.
 */

#ifndef HW_NET_VMXNET3_DEFS_H
#define HW_NET_VMXNET3_DEFS_H

#include "net/net.h"
#include "hw/net/vmxnet3.h"
#include "qom/object.h"

#define TYPE_VMXNET3 "vmxnet3"
typedef struct VMXNET3State VMXNET3State;
DECLARE_INSTANCE_CHECKER(VMXNET3State, VMXNET3,
                         TYPE_VMXNET3)

/* Device state and helper functions */
#define VMXNET3_RX_RINGS_PER_QUEUE (2)

/* Cyclic ring abstraction */
typedef struct {
    hwaddr pa;
    uint32_t size;
    uint32_t cell_size;
    uint32_t next;
    uint8_t gen;
} Vmxnet3Ring;

typedef struct {
    Vmxnet3Ring tx_ring;
    Vmxnet3Ring comp_ring;

    uint8_t intr_idx;
    hwaddr tx_stats_pa;
    struct UPT1_TxStats txq_stats;
} Vmxnet3TxqDescr;

typedef struct {
    Vmxnet3Ring rx_ring[VMXNET3_RX_RINGS_PER_QUEUE];
    Vmxnet3Ring comp_ring;
    uint8_t intr_idx;
    hwaddr rx_stats_pa;
    struct UPT1_RxStats rxq_stats;
} Vmxnet3RxqDescr;

typedef struct {
    bool is_masked;
    bool is_pending;
    bool is_asserted;
} Vmxnet3IntState;

struct VMXNET3State {
        PCIDevice parent_obj;
        NICState *nic;
        NICConf conf;
        MemoryRegion bar0;
        MemoryRegion bar1;
        MemoryRegion msix_bar;

        Vmxnet3RxqDescr rxq_descr[VMXNET3_DEVICE_MAX_RX_QUEUES];
        Vmxnet3TxqDescr txq_descr[VMXNET3_DEVICE_MAX_TX_QUEUES];

        /* Whether MSI-X support was installed successfully */
        bool msix_used;
        hwaddr drv_shmem;
        hwaddr temp_shared_guest_driver_memory;

        uint8_t txq_num;

        /* This boolean tells whether RX packet being indicated has to */
        /* be split into head and body chunks from different RX rings  */
        bool rx_packets_compound;

        bool rx_vlan_stripping;
        bool lro_supported;

        uint8_t rxq_num;

        /* Network MTU */
        uint32_t mtu;

        /* Maximum number of fragments for indicated TX packets */
        uint32_t max_tx_frags;

        /* Maximum number of fragments for indicated RX packets */
        uint16_t max_rx_frags;

        /* Index for events interrupt */
        uint8_t event_int_idx;

        /* Whether automatic interrupts masking enabled */
        bool auto_int_masking;

        bool peer_has_vhdr;

        /* TX packets to QEMU interface */
        struct NetTxPkt *tx_pkt;
        uint32_t offload_mode;
        uint32_t cso_or_gso_size;
        uint16_t tci;
        bool needs_vlan;

        struct NetRxPkt *rx_pkt;

        bool tx_sop;
        bool skip_current_tx_pkt;

        uint32_t device_active;
        uint32_t last_command;

        uint32_t link_status_and_speed;

        Vmxnet3IntState interrupt_states[VMXNET3_MAX_INTRS];

        uint32_t temp_mac;   /* To store the low part first */

        MACAddr perm_mac;
        uint32_t vlan_table[VMXNET3_VFT_SIZE];
        uint32_t rx_mode;
        MACAddr *mcast_list;
        uint32_t mcast_list_len;
        uint32_t mcast_list_buff_size; /* needed for live migration. */

        /* Compatibility flags for migration */
        uint32_t compat_flags;
};

#endif