1 #ifndef _LINUX_VIRTIO_NET_H 2 #define _LINUX_VIRTIO_NET_H 3 /* This header is BSD licensed so anyone can use the definitions to implement 4 * compatible drivers/servers. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. Neither the name of IBM nor the names of its contributors 15 * may be used to endorse or promote products derived from this software 16 * without specific prior written permission. 17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL IBM OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. */ 28 #include "standard-headers/linux/types.h" 29 #include "standard-headers/linux/virtio_ids.h" 30 #include "standard-headers/linux/virtio_config.h" 31 #include "standard-headers/linux/virtio_types.h" 32 #include "standard-headers/linux/if_ether.h" 33 34 /* The feature bitmap for virtio net */ 35 #define VIRTIO_NET_F_CSUM 0 /* Host handles pkts w/ partial csum */ 36 #define VIRTIO_NET_F_GUEST_CSUM 1 /* Guest handles pkts w/ partial csum */ 37 #define VIRTIO_NET_F_CTRL_GUEST_OFFLOADS 2 /* Dynamic offload configuration. */ 38 #define VIRTIO_NET_F_MTU 3 /* Initial MTU advice */ 39 #define VIRTIO_NET_F_MAC 5 /* Host has given MAC address. */ 40 #define VIRTIO_NET_F_GUEST_TSO4 7 /* Guest can handle TSOv4 in. */ 41 #define VIRTIO_NET_F_GUEST_TSO6 8 /* Guest can handle TSOv6 in. */ 42 #define VIRTIO_NET_F_GUEST_ECN 9 /* Guest can handle TSO[6] w/ ECN in. */ 43 #define VIRTIO_NET_F_GUEST_UFO 10 /* Guest can handle UFO in. */ 44 #define VIRTIO_NET_F_HOST_TSO4 11 /* Host can handle TSOv4 in. */ 45 #define VIRTIO_NET_F_HOST_TSO6 12 /* Host can handle TSOv6 in. */ 46 #define VIRTIO_NET_F_HOST_ECN 13 /* Host can handle TSO[6] w/ ECN in. */ 47 #define VIRTIO_NET_F_HOST_UFO 14 /* Host can handle UFO in. */ 48 #define VIRTIO_NET_F_MRG_RXBUF 15 /* Host can merge receive buffers. */ 49 #define VIRTIO_NET_F_STATUS 16 /* virtio_net_config.status available */ 50 #define VIRTIO_NET_F_CTRL_VQ 17 /* Control channel available */ 51 #define VIRTIO_NET_F_CTRL_RX 18 /* Control channel RX mode support */ 52 #define VIRTIO_NET_F_CTRL_VLAN 19 /* Control channel VLAN filtering */ 53 #define VIRTIO_NET_F_CTRL_RX_EXTRA 20 /* Extra RX mode control support */ 54 #define VIRTIO_NET_F_GUEST_ANNOUNCE 21 /* Guest can announce device on the 55 * network */ 56 #define VIRTIO_NET_F_MQ 22 /* Device supports Receive Flow 57 * Steering */ 58 #define VIRTIO_NET_F_CTRL_MAC_ADDR 23 /* Set MAC address */ 59 #define VIRTIO_NET_F_DEVICE_STATS 50 /* Device can provide device-level statistics. */ 60 #define VIRTIO_NET_F_VQ_NOTF_COAL 52 /* Device supports virtqueue notification coalescing */ 61 #define VIRTIO_NET_F_NOTF_COAL 53 /* Device supports notifications coalescing */ 62 #define VIRTIO_NET_F_GUEST_USO4 54 /* Guest can handle USOv4 in. */ 63 #define VIRTIO_NET_F_GUEST_USO6 55 /* Guest can handle USOv6 in. */ 64 #define VIRTIO_NET_F_HOST_USO 56 /* Host can handle USO in. */ 65 #define VIRTIO_NET_F_HASH_REPORT 57 /* Supports hash report */ 66 #define VIRTIO_NET_F_GUEST_HDRLEN 59 /* Guest provides the exact hdr_len value. */ 67 #define VIRTIO_NET_F_RSS 60 /* Supports RSS RX steering */ 68 #define VIRTIO_NET_F_RSC_EXT 61 /* extended coalescing info */ 69 #define VIRTIO_NET_F_STANDBY 62 /* Act as standby for another device 70 * with the same MAC. 71 */ 72 #define VIRTIO_NET_F_SPEED_DUPLEX 63 /* Device set linkspeed and duplex */ 73 74 #ifndef VIRTIO_NET_NO_LEGACY 75 #define VIRTIO_NET_F_GSO 6 /* Host handles pkts w/ any GSO type */ 76 #endif /* VIRTIO_NET_NO_LEGACY */ 77 78 #define VIRTIO_NET_S_LINK_UP 1 /* Link is up */ 79 #define VIRTIO_NET_S_ANNOUNCE 2 /* Announcement is needed */ 80 81 /* supported/enabled hash types */ 82 #define VIRTIO_NET_RSS_HASH_TYPE_IPv4 (1 << 0) 83 #define VIRTIO_NET_RSS_HASH_TYPE_TCPv4 (1 << 1) 84 #define VIRTIO_NET_RSS_HASH_TYPE_UDPv4 (1 << 2) 85 #define VIRTIO_NET_RSS_HASH_TYPE_IPv6 (1 << 3) 86 #define VIRTIO_NET_RSS_HASH_TYPE_TCPv6 (1 << 4) 87 #define VIRTIO_NET_RSS_HASH_TYPE_UDPv6 (1 << 5) 88 #define VIRTIO_NET_RSS_HASH_TYPE_IP_EX (1 << 6) 89 #define VIRTIO_NET_RSS_HASH_TYPE_TCP_EX (1 << 7) 90 #define VIRTIO_NET_RSS_HASH_TYPE_UDP_EX (1 << 8) 91 92 struct virtio_net_config { 93 /* The config defining mac address (if VIRTIO_NET_F_MAC) */ 94 uint8_t mac[ETH_ALEN]; 95 /* See VIRTIO_NET_F_STATUS and VIRTIO_NET_S_* above */ 96 __virtio16 status; 97 /* Maximum number of each of transmit and receive queues; 98 * see VIRTIO_NET_F_MQ and VIRTIO_NET_CTRL_MQ. 99 * Legal values are between 1 and 0x8000 100 */ 101 __virtio16 max_virtqueue_pairs; 102 /* Default maximum transmit unit advice */ 103 __virtio16 mtu; 104 /* 105 * speed, in units of 1Mb. All values 0 to INT_MAX are legal. 106 * Any other value stands for unknown. 107 */ 108 uint32_t speed; 109 /* 110 * 0x00 - half duplex 111 * 0x01 - full duplex 112 * Any other value stands for unknown. 113 */ 114 uint8_t duplex; 115 /* maximum size of RSS key */ 116 uint8_t rss_max_key_size; 117 /* maximum number of indirection table entries */ 118 uint16_t rss_max_indirection_table_length; 119 /* bitmask of supported VIRTIO_NET_RSS_HASH_ types */ 120 uint32_t supported_hash_types; 121 } QEMU_PACKED; 122 123 /* 124 * This header comes first in the scatter-gather list. If you don't 125 * specify GSO or CSUM features, you can simply ignore the header. 126 * 127 * This is bitwise-equivalent to the legacy struct virtio_net_hdr_mrg_rxbuf, 128 * only flattened. 129 */ 130 struct virtio_net_hdr_v1 { 131 #define VIRTIO_NET_HDR_F_NEEDS_CSUM 1 /* Use csum_start, csum_offset */ 132 #define VIRTIO_NET_HDR_F_DATA_VALID 2 /* Csum is valid */ 133 #define VIRTIO_NET_HDR_F_RSC_INFO 4 /* rsc info in csum_ fields */ 134 uint8_t flags; 135 #define VIRTIO_NET_HDR_GSO_NONE 0 /* Not a GSO frame */ 136 #define VIRTIO_NET_HDR_GSO_TCPV4 1 /* GSO frame, IPv4 TCP (TSO) */ 137 #define VIRTIO_NET_HDR_GSO_UDP 3 /* GSO frame, IPv4 UDP (UFO) */ 138 #define VIRTIO_NET_HDR_GSO_TCPV6 4 /* GSO frame, IPv6 TCP */ 139 #define VIRTIO_NET_HDR_GSO_UDP_L4 5 /* GSO frame, IPv4& IPv6 UDP (USO) */ 140 #define VIRTIO_NET_HDR_GSO_ECN 0x80 /* TCP has ECN set */ 141 uint8_t gso_type; 142 __virtio16 hdr_len; /* Ethernet + IP + tcp/udp hdrs */ 143 __virtio16 gso_size; /* Bytes to append to hdr_len per frame */ 144 union { 145 struct { 146 __virtio16 csum_start; 147 __virtio16 csum_offset; 148 }; 149 /* Checksum calculation */ 150 struct { 151 /* Position to start checksumming from */ 152 __virtio16 start; 153 /* Offset after that to place checksum */ 154 __virtio16 offset; 155 } csum; 156 /* Receive Segment Coalescing */ 157 struct { 158 /* Number of coalesced segments */ 159 uint16_t segments; 160 /* Number of duplicated acks */ 161 uint16_t dup_acks; 162 } rsc; 163 }; 164 __virtio16 num_buffers; /* Number of merged rx buffers */ 165 }; 166 167 struct virtio_net_hdr_v1_hash { 168 struct virtio_net_hdr_v1 hdr; 169 uint32_t hash_value; 170 #define VIRTIO_NET_HASH_REPORT_NONE 0 171 #define VIRTIO_NET_HASH_REPORT_IPv4 1 172 #define VIRTIO_NET_HASH_REPORT_TCPv4 2 173 #define VIRTIO_NET_HASH_REPORT_UDPv4 3 174 #define VIRTIO_NET_HASH_REPORT_IPv6 4 175 #define VIRTIO_NET_HASH_REPORT_TCPv6 5 176 #define VIRTIO_NET_HASH_REPORT_UDPv6 6 177 #define VIRTIO_NET_HASH_REPORT_IPv6_EX 7 178 #define VIRTIO_NET_HASH_REPORT_TCPv6_EX 8 179 #define VIRTIO_NET_HASH_REPORT_UDPv6_EX 9 180 uint16_t hash_report; 181 uint16_t padding; 182 }; 183 184 #ifndef VIRTIO_NET_NO_LEGACY 185 /* This header comes first in the scatter-gather list. 186 * For legacy virtio, if VIRTIO_F_ANY_LAYOUT is not negotiated, it must 187 * be the first element of the scatter-gather list. If you don't 188 * specify GSO or CSUM features, you can simply ignore the header. */ 189 struct virtio_net_hdr { 190 /* See VIRTIO_NET_HDR_F_* */ 191 uint8_t flags; 192 /* See VIRTIO_NET_HDR_GSO_* */ 193 uint8_t gso_type; 194 __virtio16 hdr_len; /* Ethernet + IP + tcp/udp hdrs */ 195 __virtio16 gso_size; /* Bytes to append to hdr_len per frame */ 196 __virtio16 csum_start; /* Position to start checksumming from */ 197 __virtio16 csum_offset; /* Offset after that to place checksum */ 198 }; 199 200 /* This is the version of the header to use when the MRG_RXBUF 201 * feature has been negotiated. */ 202 struct virtio_net_hdr_mrg_rxbuf { 203 struct virtio_net_hdr hdr; 204 __virtio16 num_buffers; /* Number of merged rx buffers */ 205 }; 206 #endif /* ...VIRTIO_NET_NO_LEGACY */ 207 208 /* 209 * Control virtqueue data structures 210 * 211 * The control virtqueue expects a header in the first sg entry 212 * and an ack/status response in the last entry. Data for the 213 * command goes in between. 214 */ 215 struct virtio_net_ctrl_hdr { 216 uint8_t class; 217 uint8_t cmd; 218 } QEMU_PACKED; 219 220 typedef uint8_t virtio_net_ctrl_ack; 221 222 #define VIRTIO_NET_OK 0 223 #define VIRTIO_NET_ERR 1 224 225 /* 226 * Control the RX mode, ie. promisucous, allmulti, etc... 227 * All commands require an "out" sg entry containing a 1 byte 228 * state value, zero = disable, non-zero = enable. Commands 229 * 0 and 1 are supported with the VIRTIO_NET_F_CTRL_RX feature. 230 * Commands 2-5 are added with VIRTIO_NET_F_CTRL_RX_EXTRA. 231 */ 232 #define VIRTIO_NET_CTRL_RX 0 233 #define VIRTIO_NET_CTRL_RX_PROMISC 0 234 #define VIRTIO_NET_CTRL_RX_ALLMULTI 1 235 #define VIRTIO_NET_CTRL_RX_ALLUNI 2 236 #define VIRTIO_NET_CTRL_RX_NOMULTI 3 237 #define VIRTIO_NET_CTRL_RX_NOUNI 4 238 #define VIRTIO_NET_CTRL_RX_NOBCAST 5 239 240 /* 241 * Control the MAC 242 * 243 * The MAC filter table is managed by the hypervisor, the guest should 244 * assume the size is infinite. Filtering should be considered 245 * non-perfect, ie. based on hypervisor resources, the guest may 246 * received packets from sources not specified in the filter list. 247 * 248 * In addition to the class/cmd header, the TABLE_SET command requires 249 * two out scatterlists. Each contains a 4 byte count of entries followed 250 * by a concatenated byte stream of the ETH_ALEN MAC addresses. The 251 * first sg list contains unicast addresses, the second is for multicast. 252 * This functionality is present if the VIRTIO_NET_F_CTRL_RX feature 253 * is available. 254 * 255 * The ADDR_SET command requests one out scatterlist, it contains a 256 * 6 bytes MAC address. This functionality is present if the 257 * VIRTIO_NET_F_CTRL_MAC_ADDR feature is available. 258 */ 259 struct virtio_net_ctrl_mac { 260 __virtio32 entries; 261 uint8_t macs[][ETH_ALEN]; 262 } QEMU_PACKED; 263 264 #define VIRTIO_NET_CTRL_MAC 1 265 #define VIRTIO_NET_CTRL_MAC_TABLE_SET 0 266 #define VIRTIO_NET_CTRL_MAC_ADDR_SET 1 267 268 /* 269 * Control VLAN filtering 270 * 271 * The VLAN filter table is controlled via a simple ADD/DEL interface. 272 * VLAN IDs not added may be filterd by the hypervisor. Del is the 273 * opposite of add. Both commands expect an out entry containing a 2 274 * byte VLAN ID. VLAN filterting is available with the 275 * VIRTIO_NET_F_CTRL_VLAN feature bit. 276 */ 277 #define VIRTIO_NET_CTRL_VLAN 2 278 #define VIRTIO_NET_CTRL_VLAN_ADD 0 279 #define VIRTIO_NET_CTRL_VLAN_DEL 1 280 281 /* 282 * Control link announce acknowledgement 283 * 284 * The command VIRTIO_NET_CTRL_ANNOUNCE_ACK is used to indicate that 285 * driver has recevied the notification; device would clear the 286 * VIRTIO_NET_S_ANNOUNCE bit in the status field after it receives 287 * this command. 288 */ 289 #define VIRTIO_NET_CTRL_ANNOUNCE 3 290 #define VIRTIO_NET_CTRL_ANNOUNCE_ACK 0 291 292 /* 293 * Control Receive Flow Steering 294 */ 295 #define VIRTIO_NET_CTRL_MQ 4 296 /* 297 * The command VIRTIO_NET_CTRL_MQ_VQ_PAIRS_SET 298 * enables Receive Flow Steering, specifying the number of the transmit and 299 * receive queues that will be used. After the command is consumed and acked by 300 * the device, the device will not steer new packets on receive virtqueues 301 * other than specified nor read from transmit virtqueues other than specified. 302 * Accordingly, driver should not transmit new packets on virtqueues other than 303 * specified. 304 */ 305 struct virtio_net_ctrl_mq { 306 __virtio16 virtqueue_pairs; 307 }; 308 309 #define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_SET 0 310 #define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MIN 1 311 #define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MAX 0x8000 312 313 /* 314 * The command VIRTIO_NET_CTRL_MQ_RSS_CONFIG has the same effect as 315 * VIRTIO_NET_CTRL_MQ_VQ_PAIRS_SET does and additionally configures 316 * the receive steering to use a hash calculated for incoming packet 317 * to decide on receive virtqueue to place the packet. The command 318 * also provides parameters to calculate a hash and receive virtqueue. 319 */ 320 struct virtio_net_rss_config { 321 uint32_t hash_types; 322 uint16_t indirection_table_mask; 323 uint16_t unclassified_queue; 324 uint16_t indirection_table[1/* + indirection_table_mask */]; 325 uint16_t max_tx_vq; 326 uint8_t hash_key_length; 327 uint8_t hash_key_data[/* hash_key_length */]; 328 }; 329 330 struct virtio_net_rss_config_hdr { 331 uint32_t hash_types; 332 uint16_t indirection_table_mask; 333 uint16_t unclassified_queue; 334 uint16_t indirection_table[/* 1 + indirection_table_mask */]; 335 }; 336 337 struct virtio_net_rss_config_trailer { 338 uint16_t max_tx_vq; 339 uint8_t hash_key_length; 340 uint8_t hash_key_data[/* hash_key_length */]; 341 }; 342 343 #define VIRTIO_NET_CTRL_MQ_RSS_CONFIG 1 344 345 /* 346 * The command VIRTIO_NET_CTRL_MQ_HASH_CONFIG requests the device 347 * to include in the virtio header of the packet the value of the 348 * calculated hash and the report type of hash. It also provides 349 * parameters for hash calculation. The command requires feature 350 * VIRTIO_NET_F_HASH_REPORT to be negotiated to extend the 351 * layout of virtio header as defined in virtio_net_hdr_v1_hash. 352 */ 353 struct virtio_net_hash_config { 354 uint32_t hash_types; 355 /* for compatibility with virtio_net_rss_config */ 356 uint16_t reserved[4]; 357 uint8_t hash_key_length; 358 uint8_t hash_key_data[/* hash_key_length */]; 359 }; 360 361 #define VIRTIO_NET_CTRL_MQ_HASH_CONFIG 2 362 363 /* 364 * Control network offloads 365 * 366 * Reconfigures the network offloads that Guest can handle. 367 * 368 * Available with the VIRTIO_NET_F_CTRL_GUEST_OFFLOADS feature bit. 369 * 370 * Command data format matches the feature bit mask exactly. 371 * 372 * See VIRTIO_NET_F_GUEST_* for the list of offloads 373 * that can be enabled/disabled. 374 */ 375 #define VIRTIO_NET_CTRL_GUEST_OFFLOADS 5 376 #define VIRTIO_NET_CTRL_GUEST_OFFLOADS_SET 0 377 378 /* 379 * Control notifications coalescing. 380 * 381 * Request the device to change the notifications coalescing parameters. 382 * 383 * Available with the VIRTIO_NET_F_NOTF_COAL feature bit. 384 */ 385 #define VIRTIO_NET_CTRL_NOTF_COAL 6 386 /* 387 * Set the tx-usecs/tx-max-packets parameters. 388 */ 389 struct virtio_net_ctrl_coal_tx { 390 /* Maximum number of packets to send before a TX notification */ 391 uint32_t tx_max_packets; 392 /* Maximum number of usecs to delay a TX notification */ 393 uint32_t tx_usecs; 394 }; 395 396 #define VIRTIO_NET_CTRL_NOTF_COAL_TX_SET 0 397 398 /* 399 * Set the rx-usecs/rx-max-packets parameters. 400 */ 401 struct virtio_net_ctrl_coal_rx { 402 /* Maximum number of packets to receive before a RX notification */ 403 uint32_t rx_max_packets; 404 /* Maximum number of usecs to delay a RX notification */ 405 uint32_t rx_usecs; 406 }; 407 408 #define VIRTIO_NET_CTRL_NOTF_COAL_RX_SET 1 409 #define VIRTIO_NET_CTRL_NOTF_COAL_VQ_SET 2 410 #define VIRTIO_NET_CTRL_NOTF_COAL_VQ_GET 3 411 412 struct virtio_net_ctrl_coal { 413 uint32_t max_packets; 414 uint32_t max_usecs; 415 }; 416 417 struct virtio_net_ctrl_coal_vq { 418 uint16_t vqn; 419 uint16_t reserved; 420 struct virtio_net_ctrl_coal coal; 421 }; 422 423 /* 424 * Device Statistics 425 */ 426 #define VIRTIO_NET_CTRL_STATS 8 427 #define VIRTIO_NET_CTRL_STATS_QUERY 0 428 #define VIRTIO_NET_CTRL_STATS_GET 1 429 430 struct virtio_net_stats_capabilities { 431 432 #define VIRTIO_NET_STATS_TYPE_CVQ (1ULL << 32) 433 434 #define VIRTIO_NET_STATS_TYPE_RX_BASIC (1ULL << 0) 435 #define VIRTIO_NET_STATS_TYPE_RX_CSUM (1ULL << 1) 436 #define VIRTIO_NET_STATS_TYPE_RX_GSO (1ULL << 2) 437 #define VIRTIO_NET_STATS_TYPE_RX_SPEED (1ULL << 3) 438 439 #define VIRTIO_NET_STATS_TYPE_TX_BASIC (1ULL << 16) 440 #define VIRTIO_NET_STATS_TYPE_TX_CSUM (1ULL << 17) 441 #define VIRTIO_NET_STATS_TYPE_TX_GSO (1ULL << 18) 442 #define VIRTIO_NET_STATS_TYPE_TX_SPEED (1ULL << 19) 443 444 uint64_t supported_stats_types[1]; 445 }; 446 447 struct virtio_net_ctrl_queue_stats { 448 struct { 449 uint16_t vq_index; 450 uint16_t reserved[3]; 451 uint64_t types_bitmap[1]; 452 } stats[1]; 453 }; 454 455 struct virtio_net_stats_reply_hdr { 456 #define VIRTIO_NET_STATS_TYPE_REPLY_CVQ 32 457 458 #define VIRTIO_NET_STATS_TYPE_REPLY_RX_BASIC 0 459 #define VIRTIO_NET_STATS_TYPE_REPLY_RX_CSUM 1 460 #define VIRTIO_NET_STATS_TYPE_REPLY_RX_GSO 2 461 #define VIRTIO_NET_STATS_TYPE_REPLY_RX_SPEED 3 462 463 #define VIRTIO_NET_STATS_TYPE_REPLY_TX_BASIC 16 464 #define VIRTIO_NET_STATS_TYPE_REPLY_TX_CSUM 17 465 #define VIRTIO_NET_STATS_TYPE_REPLY_TX_GSO 18 466 #define VIRTIO_NET_STATS_TYPE_REPLY_TX_SPEED 19 467 uint8_t type; 468 uint8_t reserved; 469 uint16_t vq_index; 470 uint16_t reserved1; 471 uint16_t size; 472 }; 473 474 struct virtio_net_stats_cvq { 475 struct virtio_net_stats_reply_hdr hdr; 476 477 uint64_t command_num; 478 uint64_t ok_num; 479 }; 480 481 struct virtio_net_stats_rx_basic { 482 struct virtio_net_stats_reply_hdr hdr; 483 484 uint64_t rx_notifications; 485 486 uint64_t rx_packets; 487 uint64_t rx_bytes; 488 489 uint64_t rx_interrupts; 490 491 uint64_t rx_drops; 492 uint64_t rx_drop_overruns; 493 }; 494 495 struct virtio_net_stats_tx_basic { 496 struct virtio_net_stats_reply_hdr hdr; 497 498 uint64_t tx_notifications; 499 500 uint64_t tx_packets; 501 uint64_t tx_bytes; 502 503 uint64_t tx_interrupts; 504 505 uint64_t tx_drops; 506 uint64_t tx_drop_malformed; 507 }; 508 509 struct virtio_net_stats_rx_csum { 510 struct virtio_net_stats_reply_hdr hdr; 511 512 uint64_t rx_csum_valid; 513 uint64_t rx_needs_csum; 514 uint64_t rx_csum_none; 515 uint64_t rx_csum_bad; 516 }; 517 518 struct virtio_net_stats_tx_csum { 519 struct virtio_net_stats_reply_hdr hdr; 520 521 uint64_t tx_csum_none; 522 uint64_t tx_needs_csum; 523 }; 524 525 struct virtio_net_stats_rx_gso { 526 struct virtio_net_stats_reply_hdr hdr; 527 528 uint64_t rx_gso_packets; 529 uint64_t rx_gso_bytes; 530 uint64_t rx_gso_packets_coalesced; 531 uint64_t rx_gso_bytes_coalesced; 532 }; 533 534 struct virtio_net_stats_tx_gso { 535 struct virtio_net_stats_reply_hdr hdr; 536 537 uint64_t tx_gso_packets; 538 uint64_t tx_gso_bytes; 539 uint64_t tx_gso_segments; 540 uint64_t tx_gso_segments_bytes; 541 uint64_t tx_gso_packets_noseg; 542 uint64_t tx_gso_bytes_noseg; 543 }; 544 545 struct virtio_net_stats_rx_speed { 546 struct virtio_net_stats_reply_hdr hdr; 547 548 /* rx_{packets,bytes}_allowance_exceeded are too long. So rename to 549 * short name. 550 */ 551 uint64_t rx_ratelimit_packets; 552 uint64_t rx_ratelimit_bytes; 553 }; 554 555 struct virtio_net_stats_tx_speed { 556 struct virtio_net_stats_reply_hdr hdr; 557 558 /* tx_{packets,bytes}_allowance_exceeded are too long. So rename to 559 * short name. 560 */ 561 uint64_t tx_ratelimit_packets; 562 uint64_t tx_ratelimit_bytes; 563 }; 564 565 #endif /* _LINUX_VIRTIO_NET_H */ 566