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vmxnet3_defs.h (3480B)

      1 /*
      2  * QEMU VMWARE VMXNET3 paravirtual NIC
      3  *
      4  * Copyright (c) 2012 Ravello Systems LTD (http://ravellosystems.com)
      5  *
      6  * Developed by Daynix Computing LTD (http://www.daynix.com)
      7  *
      8  * Authors:
      9  * Dmitry Fleytman <dmitry@daynix.com>
     10  * Tamir Shomer <tamirs@daynix.com>
     11  * Yan Vugenfirer <yan@daynix.com>
     12  *
     13  * This work is licensed under the terms of the GNU GPL, version 2.
     14  * See the COPYING file in the top-level directory.
     15  */
     16 
     17 #ifndef HW_NET_VMXNET3_DEFS_H
     18 #define HW_NET_VMXNET3_DEFS_H
     19 
     20 #include "net/net.h"
     21 #include "hw/net/vmxnet3.h"
     22 #include "qom/object.h"
     23 
     24 #define TYPE_VMXNET3 "vmxnet3"
     25 typedef struct VMXNET3State VMXNET3State;
     26 DECLARE_INSTANCE_CHECKER(VMXNET3State, VMXNET3,
     27                          TYPE_VMXNET3)
     28 
     29 /* Device state and helper functions */
     30 #define VMXNET3_RX_RINGS_PER_QUEUE (2)
     31 
     32 /* Cyclic ring abstraction */
     33 typedef struct {
     34     hwaddr pa;
     35     uint32_t size;
     36     uint32_t cell_size;
     37     uint32_t next;
     38     uint8_t gen;
     39 } Vmxnet3Ring;
     40 
     41 typedef struct {
     42     Vmxnet3Ring tx_ring;
     43     Vmxnet3Ring comp_ring;
     44 
     45     uint8_t intr_idx;
     46     hwaddr tx_stats_pa;
     47     struct UPT1_TxStats txq_stats;
     48 } Vmxnet3TxqDescr;
     49 
     50 typedef struct {
     51     Vmxnet3Ring rx_ring[VMXNET3_RX_RINGS_PER_QUEUE];
     52     Vmxnet3Ring comp_ring;
     53     uint8_t intr_idx;
     54     hwaddr rx_stats_pa;
     55     struct UPT1_RxStats rxq_stats;
     56 } Vmxnet3RxqDescr;
     57 
     58 typedef struct {
     59     bool is_masked;
     60     bool is_pending;
     61     bool is_asserted;
     62 } Vmxnet3IntState;
     63 
     64 struct VMXNET3State {
     65         PCIDevice parent_obj;
     66         NICState *nic;
     67         NICConf conf;
     68         MemoryRegion bar0;
     69         MemoryRegion bar1;
     70         MemoryRegion msix_bar;
     71 
     72         Vmxnet3RxqDescr rxq_descr[VMXNET3_DEVICE_MAX_RX_QUEUES];
     73         Vmxnet3TxqDescr txq_descr[VMXNET3_DEVICE_MAX_TX_QUEUES];
     74 
     75         /* Whether MSI-X support was installed successfully */
     76         bool msix_used;
     77         hwaddr drv_shmem;
     78         hwaddr temp_shared_guest_driver_memory;
     79 
     80         uint8_t txq_num;
     81 
     82         /* This boolean tells whether RX packet being indicated has to */
     83         /* be split into head and body chunks from different RX rings  */
     84         bool rx_packets_compound;
     85 
     86         bool rx_vlan_stripping;
     87         bool lro_supported;
     88 
     89         uint8_t rxq_num;
     90 
     91         /* Network MTU */
     92         uint32_t mtu;
     93 
     94         /* Maximum number of fragments for indicated TX packets */
     95         uint32_t max_tx_frags;
     96 
     97         /* Maximum number of fragments for indicated RX packets */
     98         uint16_t max_rx_frags;
     99 
    100         /* Index for events interrupt */
    101         uint8_t event_int_idx;
    102 
    103         /* Whether automatic interrupts masking enabled */
    104         bool auto_int_masking;
    105 
    106         bool peer_has_vhdr;
    107 
    108         /* TX packets to QEMU interface */
    109         struct NetTxPkt *tx_pkt;
    110         uint32_t offload_mode;
    111         uint32_t cso_or_gso_size;
    112         uint16_t tci;
    113         bool needs_vlan;
    114 
    115         struct NetRxPkt *rx_pkt;
    116 
    117         bool tx_sop;
    118         bool skip_current_tx_pkt;
    119 
    120         uint32_t device_active;
    121         uint32_t last_command;
    122 
    123         uint32_t link_status_and_speed;
    124 
    125         Vmxnet3IntState interrupt_states[VMXNET3_MAX_INTRS];
    126 
    127         uint32_t temp_mac;   /* To store the low part first */
    128 
    129         MACAddr perm_mac;
    130         uint32_t vlan_table[VMXNET3_VFT_SIZE];
    131         uint32_t rx_mode;
    132         MACAddr *mcast_list;
    133         uint32_t mcast_list_len;
    134         uint32_t mcast_list_buff_size; /* needed for live migration. */
    135 
    136         /* Compatibility flags for migration */
    137         uint32_t compat_flags;
    138 };
    139 
    140 #endif