1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef _UAPI_LINUX_VIRTIO_NET_H 20 #define _UAPI_LINUX_VIRTIO_NET_H 21 #include <linux/types.h> 22 #include <linux/virtio_ids.h> 23 #include <linux/virtio_config.h> 24 #include <linux/virtio_types.h> 25 #include <linux/if_ether.h> 26 #define VIRTIO_NET_F_CSUM 0 27 #define VIRTIO_NET_F_GUEST_CSUM 1 28 #define VIRTIO_NET_F_CTRL_GUEST_OFFLOADS 2 29 #define VIRTIO_NET_F_MTU 3 30 #define VIRTIO_NET_F_MAC 5 31 #define VIRTIO_NET_F_GUEST_TSO4 7 32 #define VIRTIO_NET_F_GUEST_TSO6 8 33 #define VIRTIO_NET_F_GUEST_ECN 9 34 #define VIRTIO_NET_F_GUEST_UFO 10 35 #define VIRTIO_NET_F_HOST_TSO4 11 36 #define VIRTIO_NET_F_HOST_TSO6 12 37 #define VIRTIO_NET_F_HOST_ECN 13 38 #define VIRTIO_NET_F_HOST_UFO 14 39 #define VIRTIO_NET_F_MRG_RXBUF 15 40 #define VIRTIO_NET_F_STATUS 16 41 #define VIRTIO_NET_F_CTRL_VQ 17 42 #define VIRTIO_NET_F_CTRL_RX 18 43 #define VIRTIO_NET_F_CTRL_VLAN 19 44 #define VIRTIO_NET_F_CTRL_RX_EXTRA 20 45 #define VIRTIO_NET_F_GUEST_ANNOUNCE 21 46 #define VIRTIO_NET_F_MQ 22 47 #define VIRTIO_NET_F_CTRL_MAC_ADDR 23 48 #define VIRTIO_NET_F_NOTF_COAL 53 49 #define VIRTIO_NET_F_GUEST_USO4 54 50 #define VIRTIO_NET_F_GUEST_USO6 55 51 #define VIRTIO_NET_F_HOST_USO 56 52 #define VIRTIO_NET_F_HASH_REPORT 57 53 #define VIRTIO_NET_F_RSS 60 54 #define VIRTIO_NET_F_RSC_EXT 61 55 #define VIRTIO_NET_F_STANDBY 62 56 #define VIRTIO_NET_F_SPEED_DUPLEX 63 57 #ifndef VIRTIO_NET_NO_LEGACY 58 #define VIRTIO_NET_F_GSO 6 59 #endif 60 #define VIRTIO_NET_S_LINK_UP 1 61 #define VIRTIO_NET_S_ANNOUNCE 2 62 #define VIRTIO_NET_RSS_HASH_TYPE_IPv4 (1 << 0) 63 #define VIRTIO_NET_RSS_HASH_TYPE_TCPv4 (1 << 1) 64 #define VIRTIO_NET_RSS_HASH_TYPE_UDPv4 (1 << 2) 65 #define VIRTIO_NET_RSS_HASH_TYPE_IPv6 (1 << 3) 66 #define VIRTIO_NET_RSS_HASH_TYPE_TCPv6 (1 << 4) 67 #define VIRTIO_NET_RSS_HASH_TYPE_UDPv6 (1 << 5) 68 #define VIRTIO_NET_RSS_HASH_TYPE_IP_EX (1 << 6) 69 #define VIRTIO_NET_RSS_HASH_TYPE_TCP_EX (1 << 7) 70 #define VIRTIO_NET_RSS_HASH_TYPE_UDP_EX (1 << 8) 71 struct virtio_net_config { 72 __u8 mac[ETH_ALEN]; 73 __virtio16 status; 74 __virtio16 max_virtqueue_pairs; 75 __virtio16 mtu; 76 __le32 speed; 77 __u8 duplex; 78 __u8 rss_max_key_size; 79 __le16 rss_max_indirection_table_length; 80 __le32 supported_hash_types; 81 } __attribute__((packed)); 82 struct virtio_net_hdr_v1 { 83 #define VIRTIO_NET_HDR_F_NEEDS_CSUM 1 84 #define VIRTIO_NET_HDR_F_DATA_VALID 2 85 #define VIRTIO_NET_HDR_F_RSC_INFO 4 86 __u8 flags; 87 #define VIRTIO_NET_HDR_GSO_NONE 0 88 #define VIRTIO_NET_HDR_GSO_TCPV4 1 89 #define VIRTIO_NET_HDR_GSO_UDP 3 90 #define VIRTIO_NET_HDR_GSO_TCPV6 4 91 #define VIRTIO_NET_HDR_GSO_UDP_L4 5 92 #define VIRTIO_NET_HDR_GSO_ECN 0x80 93 __u8 gso_type; 94 __virtio16 hdr_len; 95 __virtio16 gso_size; 96 union { 97 struct { 98 __virtio16 csum_start; 99 __virtio16 csum_offset; 100 }; 101 struct { 102 __virtio16 start; 103 __virtio16 offset; 104 } csum; 105 struct { 106 __le16 segments; 107 __le16 dup_acks; 108 } rsc; 109 }; 110 __virtio16 num_buffers; 111 }; 112 struct virtio_net_hdr_v1_hash { 113 struct virtio_net_hdr_v1 hdr; 114 __le32 hash_value; 115 #define VIRTIO_NET_HASH_REPORT_NONE 0 116 #define VIRTIO_NET_HASH_REPORT_IPv4 1 117 #define VIRTIO_NET_HASH_REPORT_TCPv4 2 118 #define VIRTIO_NET_HASH_REPORT_UDPv4 3 119 #define VIRTIO_NET_HASH_REPORT_IPv6 4 120 #define VIRTIO_NET_HASH_REPORT_TCPv6 5 121 #define VIRTIO_NET_HASH_REPORT_UDPv6 6 122 #define VIRTIO_NET_HASH_REPORT_IPv6_EX 7 123 #define VIRTIO_NET_HASH_REPORT_TCPv6_EX 8 124 #define VIRTIO_NET_HASH_REPORT_UDPv6_EX 9 125 __le16 hash_report; 126 __le16 padding; 127 }; 128 #ifndef VIRTIO_NET_NO_LEGACY 129 struct virtio_net_hdr { 130 __u8 flags; 131 __u8 gso_type; 132 __virtio16 hdr_len; 133 __virtio16 gso_size; 134 __virtio16 csum_start; 135 __virtio16 csum_offset; 136 }; 137 struct virtio_net_hdr_mrg_rxbuf { 138 struct virtio_net_hdr hdr; 139 __virtio16 num_buffers; 140 }; 141 #endif 142 struct virtio_net_ctrl_hdr { 143 __u8 class; 144 __u8 cmd; 145 } __attribute__((packed)); 146 typedef __u8 virtio_net_ctrl_ack; 147 #define VIRTIO_NET_OK 0 148 #define VIRTIO_NET_ERR 1 149 #define VIRTIO_NET_CTRL_RX 0 150 #define VIRTIO_NET_CTRL_RX_PROMISC 0 151 #define VIRTIO_NET_CTRL_RX_ALLMULTI 1 152 #define VIRTIO_NET_CTRL_RX_ALLUNI 2 153 #define VIRTIO_NET_CTRL_RX_NOMULTI 3 154 #define VIRTIO_NET_CTRL_RX_NOUNI 4 155 #define VIRTIO_NET_CTRL_RX_NOBCAST 5 156 struct virtio_net_ctrl_mac { 157 __virtio32 entries; 158 __u8 macs[][ETH_ALEN]; 159 } __attribute__((packed)); 160 #define VIRTIO_NET_CTRL_MAC 1 161 #define VIRTIO_NET_CTRL_MAC_TABLE_SET 0 162 #define VIRTIO_NET_CTRL_MAC_ADDR_SET 1 163 #define VIRTIO_NET_CTRL_VLAN 2 164 #define VIRTIO_NET_CTRL_VLAN_ADD 0 165 #define VIRTIO_NET_CTRL_VLAN_DEL 1 166 #define VIRTIO_NET_CTRL_ANNOUNCE 3 167 #define VIRTIO_NET_CTRL_ANNOUNCE_ACK 0 168 #define VIRTIO_NET_CTRL_MQ 4 169 struct virtio_net_ctrl_mq { 170 __virtio16 virtqueue_pairs; 171 }; 172 #define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_SET 0 173 #define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MIN 1 174 #define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MAX 0x8000 175 struct virtio_net_rss_config { 176 __le32 hash_types; 177 __le16 indirection_table_mask; 178 __le16 unclassified_queue; 179 __le16 indirection_table[1]; 180 __le16 max_tx_vq; 181 __u8 hash_key_length; 182 __u8 hash_key_data[]; 183 }; 184 #define VIRTIO_NET_CTRL_MQ_RSS_CONFIG 1 185 struct virtio_net_hash_config { 186 __le32 hash_types; 187 __le16 reserved[4]; 188 __u8 hash_key_length; 189 __u8 hash_key_data[]; 190 }; 191 #define VIRTIO_NET_CTRL_MQ_HASH_CONFIG 2 192 #define VIRTIO_NET_CTRL_GUEST_OFFLOADS 5 193 #define VIRTIO_NET_CTRL_GUEST_OFFLOADS_SET 0 194 #define VIRTIO_NET_CTRL_NOTF_COAL 6 195 struct virtio_net_ctrl_coal_tx { 196 __le32 tx_max_packets; 197 __le32 tx_usecs; 198 }; 199 #define VIRTIO_NET_CTRL_NOTF_COAL_TX_SET 0 200 struct virtio_net_ctrl_coal_rx { 201 __le32 rx_max_packets; 202 __le32 rx_usecs; 203 }; 204 #define VIRTIO_NET_CTRL_NOTF_COAL_RX_SET 1 205 #endif 206