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 "hw/pci/pci_device.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 141