3 * Copyright (c) 2011, Microsoft Corporation.
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms and conditions of the GNU General Public License,
7 * version 2, as published by the Free Software Foundation.
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, see <http://www.gnu.org/licenses/>.
18 * Haiyang Zhang <haiyangz@microsoft.com>
19 * Hank Janssen <hjanssen@microsoft.com>
20 * K. Y. Srinivasan <kys@microsoft.com>
27 #include <linux/list.h>
28 #include <linux/hyperv.h>
29 #include <linux/rndis.h>
32 #define OID_GEN_RECEIVE_SCALE_CAPABILITIES 0x00010203 /* query only */
33 #define OID_GEN_RECEIVE_SCALE_PARAMETERS 0x00010204 /* query and set */
35 #define NDIS_OBJECT_TYPE_RSS_CAPABILITIES 0x88
36 #define NDIS_OBJECT_TYPE_RSS_PARAMETERS 0x89
38 #define NDIS_RECEIVE_SCALE_CAPABILITIES_REVISION_2 2
39 #define NDIS_RECEIVE_SCALE_PARAMETERS_REVISION_2 2
41 struct ndis_obj_header {
47 /* ndis_recv_scale_cap/cap_flag */
48 #define NDIS_RSS_CAPS_MESSAGE_SIGNALED_INTERRUPTS 0x01000000
49 #define NDIS_RSS_CAPS_CLASSIFICATION_AT_ISR 0x02000000
50 #define NDIS_RSS_CAPS_CLASSIFICATION_AT_DPC 0x04000000
51 #define NDIS_RSS_CAPS_USING_MSI_X 0x08000000
52 #define NDIS_RSS_CAPS_RSS_AVAILABLE_ON_PORTS 0x10000000
53 #define NDIS_RSS_CAPS_SUPPORTS_MSI_X 0x20000000
54 #define NDIS_RSS_CAPS_HASH_TYPE_TCP_IPV4 0x00000100
55 #define NDIS_RSS_CAPS_HASH_TYPE_TCP_IPV6 0x00000200
56 #define NDIS_RSS_CAPS_HASH_TYPE_TCP_IPV6_EX 0x00000400
58 struct ndis_recv_scale_cap { /* NDIS_RECEIVE_SCALE_CAPABILITIES */
59 struct ndis_obj_header hdr;
63 u16 num_indirect_tabent;
67 /* ndis_recv_scale_param flags */
68 #define NDIS_RSS_PARAM_FLAG_BASE_CPU_UNCHANGED 0x0001
69 #define NDIS_RSS_PARAM_FLAG_HASH_INFO_UNCHANGED 0x0002
70 #define NDIS_RSS_PARAM_FLAG_ITABLE_UNCHANGED 0x0004
71 #define NDIS_RSS_PARAM_FLAG_HASH_KEY_UNCHANGED 0x0008
72 #define NDIS_RSS_PARAM_FLAG_DISABLE_RSS 0x0010
75 #define NDIS_HASH_FUNC_TOEPLITZ 0x00000001
76 #define NDIS_HASH_IPV4 0x00000100
77 #define NDIS_HASH_TCP_IPV4 0x00000200
78 #define NDIS_HASH_IPV6 0x00000400
79 #define NDIS_HASH_IPV6_EX 0x00000800
80 #define NDIS_HASH_TCP_IPV6 0x00001000
81 #define NDIS_HASH_TCP_IPV6_EX 0x00002000
83 #define NDIS_RSS_INDIRECTION_TABLE_MAX_SIZE_REVISION_2 (128 * 4)
84 #define NDIS_RSS_HASH_SECRET_KEY_MAX_SIZE_REVISION_2 40
87 #define HASH_KEYLEN NDIS_RSS_HASH_SECRET_KEY_MAX_SIZE_REVISION_2
88 extern u8 netvsc_hash_key[];
90 struct ndis_recv_scale_param { /* NDIS_RECEIVE_SCALE_PARAMETERS */
91 struct ndis_obj_header hdr;
93 /* Qualifies the rest of the information */
96 /* The base CPU number to do receive processing. not used */
99 /* This describes the hash function and type being enabled */
102 /* The size of indirection table array */
103 u16 indirect_tabsize;
105 /* The offset of the indirection table from the beginning of this
108 u32 indirect_taboffset;
110 /* The size of the hash secret key */
113 /* The offset of the secret key from the beginning of this structure */
116 u32 processor_masks_offset;
117 u32 num_processor_masks;
118 u32 processor_masks_entry_size;
121 /* Fwd declaration */
122 struct hv_netvsc_packet;
123 struct ndis_tcp_ip_checksum_info;
125 /* Represent the xfer page packet which contains 1 or more netvsc packet */
126 struct xferpage_packet {
127 struct list_head list_ent;
130 /* # of netvsc packets this xfer packet contains */
133 struct vmbus_channel *channel;
137 * Represent netvsc packet which contains 1 RNDIS and 1 ethernet frame
140 struct hv_netvsc_packet {
141 /* Bookkeeping stuff */
142 struct list_head list_ent;
145 struct hv_device *device;
150 struct vmbus_channel *channel;
153 * Valid only for receives when we break a xfer page packet
154 * into multiple netvsc packets
156 struct xferpage_packet *xfer_page_pkt;
160 u64 recv_completion_tid;
161 void *recv_completion_ctx;
162 void (*recv_completion)(void *context);
165 u64 send_completion_tid;
166 void *send_completion_ctx;
167 void (*send_completion)(void *context);
171 /* This points to the memory after page_buf */
172 struct rndis_message *rndis_msg;
174 u32 total_data_buflen;
175 /* Points to the send/receive buffer where the ethernet frame is */
178 struct hv_page_buffer page_buf[0];
181 struct netvsc_device_info {
182 unsigned char mac_adr[ETH_ALEN];
183 bool link_state; /* 0 - link up, 1 - link down */
187 enum rndis_device_state {
188 RNDIS_DEV_UNINITIALIZED = 0,
189 RNDIS_DEV_INITIALIZING,
190 RNDIS_DEV_INITIALIZED,
191 RNDIS_DEV_DATAINITIALIZED,
194 struct rndis_device {
195 struct netvsc_device *net_dev;
197 enum rndis_device_state state;
201 spinlock_t request_lock;
202 struct list_head req_list;
204 unsigned char hw_mac_adr[ETH_ALEN];
209 int netvsc_device_add(struct hv_device *device, void *additional_info);
210 int netvsc_device_remove(struct hv_device *device);
211 int netvsc_send(struct hv_device *device,
212 struct hv_netvsc_packet *packet);
213 void netvsc_linkstatus_callback(struct hv_device *device_obj,
214 unsigned int status);
215 int netvsc_recv_callback(struct hv_device *device_obj,
216 struct hv_netvsc_packet *packet,
217 struct ndis_tcp_ip_checksum_info *csum_info);
218 void netvsc_channel_cb(void *context);
219 int rndis_filter_open(struct hv_device *dev);
220 int rndis_filter_close(struct hv_device *dev);
221 int rndis_filter_device_add(struct hv_device *dev,
222 void *additional_info);
223 void rndis_filter_device_remove(struct hv_device *dev);
224 int rndis_filter_receive(struct hv_device *dev,
225 struct hv_netvsc_packet *pkt);
227 int rndis_filter_set_packet_filter(struct rndis_device *dev, u32 new_filter);
228 int rndis_filter_set_device_mac(struct hv_device *hdev, char *mac);
231 #define NVSP_INVALID_PROTOCOL_VERSION ((u32)0xFFFFFFFF)
233 #define NVSP_PROTOCOL_VERSION_1 2
234 #define NVSP_PROTOCOL_VERSION_2 0x30002
235 #define NVSP_PROTOCOL_VERSION_4 0x40000
236 #define NVSP_PROTOCOL_VERSION_5 0x50000
239 NVSP_MSG_TYPE_NONE = 0,
242 NVSP_MSG_TYPE_INIT = 1,
243 NVSP_MSG_TYPE_INIT_COMPLETE = 2,
245 NVSP_VERSION_MSG_START = 100,
247 /* Version 1 Messages */
248 NVSP_MSG1_TYPE_SEND_NDIS_VER = NVSP_VERSION_MSG_START,
250 NVSP_MSG1_TYPE_SEND_RECV_BUF,
251 NVSP_MSG1_TYPE_SEND_RECV_BUF_COMPLETE,
252 NVSP_MSG1_TYPE_REVOKE_RECV_BUF,
254 NVSP_MSG1_TYPE_SEND_SEND_BUF,
255 NVSP_MSG1_TYPE_SEND_SEND_BUF_COMPLETE,
256 NVSP_MSG1_TYPE_REVOKE_SEND_BUF,
258 NVSP_MSG1_TYPE_SEND_RNDIS_PKT,
259 NVSP_MSG1_TYPE_SEND_RNDIS_PKT_COMPLETE,
261 /* Version 2 messages */
262 NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF,
263 NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF_COMP,
264 NVSP_MSG2_TYPE_REVOKE_CHIMNEY_DELEGATED_BUF,
266 NVSP_MSG2_TYPE_RESUME_CHIMNEY_RX_INDICATION,
268 NVSP_MSG2_TYPE_TERMINATE_CHIMNEY,
269 NVSP_MSG2_TYPE_TERMINATE_CHIMNEY_COMP,
271 NVSP_MSG2_TYPE_INDICATE_CHIMNEY_EVENT,
273 NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT,
274 NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT_COMP,
276 NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ,
277 NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ_COMP,
279 NVSP_MSG2_TYPE_ALLOC_RXBUF,
280 NVSP_MSG2_TYPE_ALLOC_RXBUF_COMP,
282 NVSP_MSG2_TYPE_FREE_RXBUF,
284 NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT,
285 NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT_COMP,
287 NVSP_MSG2_TYPE_SEND_NDIS_CONFIG,
289 NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE,
290 NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP,
292 NVSP_MSG2_MAX = NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP,
294 /* Version 4 messages */
295 NVSP_MSG4_TYPE_SEND_VF_ASSOCIATION,
296 NVSP_MSG4_TYPE_SWITCH_DATA_PATH,
297 NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED,
299 NVSP_MSG4_MAX = NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED,
301 /* Version 5 messages */
302 NVSP_MSG5_TYPE_OID_QUERY_EX,
303 NVSP_MSG5_TYPE_OID_QUERY_EX_COMP,
304 NVSP_MSG5_TYPE_SUBCHANNEL,
305 NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE,
307 NVSP_MSG5_MAX = NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE,
314 NVSP_STAT_PROTOCOL_TOO_NEW,
315 NVSP_STAT_PROTOCOL_TOO_OLD,
316 NVSP_STAT_INVALID_RNDIS_PKT,
318 NVSP_STAT_PROTOCOL_UNSUPPORTED,
322 struct nvsp_message_header {
329 * This message is used by the VSC to initialize the channel after the channels
330 * has been opened. This message should never include anything other then
331 * versioning (i.e. this message will be the same for ever).
333 struct nvsp_message_init {
334 u32 min_protocol_ver;
335 u32 max_protocol_ver;
339 * This message is used by the VSP to complete the initialization of the
340 * channel. This message should never include anything other then versioning
341 * (i.e. this message will be the same for ever).
343 struct nvsp_message_init_complete {
344 u32 negotiated_protocol_ver;
345 u32 max_mdl_chain_len;
349 union nvsp_message_init_uber {
350 struct nvsp_message_init init;
351 struct nvsp_message_init_complete init_complete;
354 /* Version 1 Messages */
357 * This message is used by the VSC to send the NDIS version to the VSP. The VSP
358 * can use this information when handling OIDs sent by the VSC.
360 struct nvsp_1_message_send_ndis_version {
366 * This message is used by the VSC to send a receive buffer to the VSP. The VSP
367 * can then use the receive buffer to send data to the VSC.
369 struct nvsp_1_message_send_receive_buffer {
374 struct nvsp_1_receive_buffer_section {
382 * This message is used by the VSP to acknowledge a receive buffer send by the
383 * VSC. This message must be sent by the VSP before the VSP uses the receive
386 struct nvsp_1_message_send_receive_buffer_complete {
391 * The receive buffer is split into two parts, a large suballocation
392 * section and a small suballocation section. These sections are then
393 * suballocated by a certain size.
397 * For example, the following break up of the receive buffer has 6
398 * large suballocations and 10 small suballocations.
402 * | Large Section | | Small Section |
403 * ------------------------------------------------------------
404 * | | | | | | | | | | | | | | | | | |
406 * LargeOffset SmallOffset
409 struct nvsp_1_receive_buffer_section sections[1];
413 * This message is sent by the VSC to revoke the receive buffer. After the VSP
414 * completes this transaction, the vsp should never use the receive buffer
417 struct nvsp_1_message_revoke_receive_buffer {
422 * This message is used by the VSC to send a send buffer to the VSP. The VSC
423 * can then use the send buffer to send data to the VSP.
425 struct nvsp_1_message_send_send_buffer {
431 * This message is used by the VSP to acknowledge a send buffer sent by the
432 * VSC. This message must be sent by the VSP before the VSP uses the sent
435 struct nvsp_1_message_send_send_buffer_complete {
439 * The VSC gets to choose the size of the send buffer and the VSP gets
440 * to choose the sections size of the buffer. This was done to enable
441 * dynamic reconfigurations when the cost of GPA-direct buffers
448 * This message is sent by the VSC to revoke the send buffer. After the VSP
449 * completes this transaction, the vsp should never use the send buffer again.
451 struct nvsp_1_message_revoke_send_buffer {
456 * This message is used by both the VSP and the VSC to send a RNDIS message to
457 * the opposite channel endpoint.
459 struct nvsp_1_message_send_rndis_packet {
461 * This field is specified by RNIDS. They assume there's two different
462 * channels of communication. However, the Network VSP only has one.
463 * Therefore, the channel travels with the RNDIS packet.
468 * This field is used to send part or all of the data through a send
469 * buffer. This values specifies an index into the send buffer. If the
470 * index is 0xFFFFFFFF, then the send buffer is not being used and all
471 * of the data was sent through other VMBus mechanisms.
473 u32 send_buf_section_index;
474 u32 send_buf_section_size;
478 * This message is used by both the VSP and the VSC to complete a RNDIS message
479 * to the opposite channel endpoint. At this point, the initiator of this
480 * message cannot use any resources associated with the original RNDIS packet.
482 struct nvsp_1_message_send_rndis_packet_complete {
486 union nvsp_1_message_uber {
487 struct nvsp_1_message_send_ndis_version send_ndis_ver;
489 struct nvsp_1_message_send_receive_buffer send_recv_buf;
490 struct nvsp_1_message_send_receive_buffer_complete
491 send_recv_buf_complete;
492 struct nvsp_1_message_revoke_receive_buffer revoke_recv_buf;
494 struct nvsp_1_message_send_send_buffer send_send_buf;
495 struct nvsp_1_message_send_send_buffer_complete send_send_buf_complete;
496 struct nvsp_1_message_revoke_send_buffer revoke_send_buf;
498 struct nvsp_1_message_send_rndis_packet send_rndis_pkt;
499 struct nvsp_1_message_send_rndis_packet_complete
500 send_rndis_pkt_complete;
505 * Network VSP protocol version 2 messages:
507 struct nvsp_2_vsc_capability {
515 u64 correlation_id:1;
520 struct nvsp_2_send_ndis_config {
523 struct nvsp_2_vsc_capability capability;
526 /* Allocate receive buffer */
527 struct nvsp_2_alloc_rxbuf {
528 /* Allocation ID to match the allocation request and response */
531 /* Length of the VM shared memory receive buffer that needs to
537 /* Allocate receive buffer complete */
538 struct nvsp_2_alloc_rxbuf_comp {
539 /* The NDIS_STATUS code for buffer allocation */
544 /* GPADL handle for the allocated receive buffer */
547 /* Receive buffer ID */
551 struct nvsp_2_free_rxbuf {
555 union nvsp_2_message_uber {
556 struct nvsp_2_send_ndis_config send_ndis_config;
557 struct nvsp_2_alloc_rxbuf alloc_rxbuf;
558 struct nvsp_2_alloc_rxbuf_comp alloc_rxbuf_comp;
559 struct nvsp_2_free_rxbuf free_rxbuf;
562 enum nvsp_subchannel_operation {
563 NVSP_SUBCHANNEL_NONE = 0,
564 NVSP_SUBCHANNEL_ALLOCATE,
568 struct nvsp_5_subchannel_request {
573 struct nvsp_5_subchannel_complete {
575 u32 num_subchannels; /* Actual number of subchannels allocated */
578 struct nvsp_5_send_indirect_table {
579 /* The number of entries in the send indirection table */
582 /* The offset of the send indireciton table from top of this struct.
583 * The send indirection table tells which channel to put the send
584 * traffic on. Each entry is a channel number.
589 union nvsp_5_message_uber {
590 struct nvsp_5_subchannel_request subchn_req;
591 struct nvsp_5_subchannel_complete subchn_comp;
592 struct nvsp_5_send_indirect_table send_table;
595 union nvsp_all_messages {
596 union nvsp_message_init_uber init_msg;
597 union nvsp_1_message_uber v1_msg;
598 union nvsp_2_message_uber v2_msg;
599 union nvsp_5_message_uber v5_msg;
603 struct nvsp_message {
604 struct nvsp_message_header hdr;
605 union nvsp_all_messages msg;
609 #define NETVSC_MTU 65536
611 #define NETVSC_RECEIVE_BUFFER_SIZE (1024*1024*16) /* 16MB */
612 #define NETVSC_RECEIVE_BUFFER_SIZE_LEGACY (1024*1024*15) /* 15MB */
614 #define NETVSC_RECEIVE_BUFFER_ID 0xcafe
616 /* Preallocated receive packets */
617 #define NETVSC_RECEIVE_PACKETLIST_COUNT 256
619 #define NETVSC_PACKET_SIZE 2048
621 #define VRSS_SEND_TAB_SIZE 16
623 /* Per netvsc channel-specific */
624 struct netvsc_device {
625 struct hv_device *dev;
629 atomic_t num_outstanding_sends;
630 wait_queue_head_t wait_drain;
634 * List of free preallocated hv_netvsc_packet to represent receive
637 struct list_head recv_pkt_list;
638 spinlock_t recv_pkt_list_lock;
640 /* Receive buffer allocated by us but manages by NetVSP */
643 u32 recv_buf_gpadl_handle;
644 u32 recv_section_cnt;
645 struct nvsp_1_receive_buffer_section *recv_section;
647 /* Used for NetVSP initialization protocol */
648 struct completion channel_init_wait;
649 struct nvsp_message channel_init_pkt;
651 struct nvsp_message revoke_packet;
652 /* unsigned char HwMacAddr[HW_MACADDR_LEN]; */
654 struct net_device *ndev;
656 struct vmbus_channel *chn_table[NR_CPUS];
657 u32 send_table[VRSS_SEND_TAB_SIZE];
659 atomic_t queue_sends[NR_CPUS];
661 /* Holds rndis device info */
666 /* The primary channel callback buffer */
667 unsigned char cb_buffer[NETVSC_PACKET_SIZE];
668 /* The sub channel callback buffer */
669 unsigned char *sub_cb_buf;
672 /* NdisInitialize message */
673 struct rndis_initialize_request {
680 /* Response to NdisInitialize */
681 struct rndis_initialize_complete {
690 u32 pkt_alignment_factor;
695 /* Call manager devices only: Information about an address family */
696 /* supported by the device is appended to the response to NdisInitialize. */
697 struct rndis_co_address_family {
703 /* NdisHalt message */
704 struct rndis_halt_request {
708 /* NdisQueryRequest message */
709 struct rndis_query_request {
717 /* Response to NdisQueryRequest */
718 struct rndis_query_complete {
725 /* NdisSetRequest message */
726 struct rndis_set_request {
734 /* Response to NdisSetRequest */
735 struct rndis_set_complete {
740 /* NdisReset message */
741 struct rndis_reset_request {
745 /* Response to NdisReset */
746 struct rndis_reset_complete {
748 u32 addressing_reset;
751 /* NdisMIndicateStatus message */
752 struct rndis_indicate_status {
755 u32 status_buf_offset;
758 /* Diagnostic information passed as the status buffer in */
759 /* struct rndis_indicate_status messages signifying error conditions. */
760 struct rndis_diagnostic_info {
765 /* NdisKeepAlive message */
766 struct rndis_keepalive_request {
770 /* Response to NdisKeepAlive */
771 struct rndis_keepalive_complete {
777 * Data message. All Offset fields contain byte offsets from the beginning of
778 * struct rndis_packet. All Length fields are in bytes. VcHandle is set
779 * to 0 for connectionless data, otherwise it contains the VC handle.
781 struct rndis_packet {
786 u32 num_oob_data_elements;
787 u32 per_pkt_info_offset;
788 u32 per_pkt_info_len;
793 /* Optional Out of Band data associated with a Data message. */
797 u32 class_info_offset;
800 /* Packet extension field contents associated with a Data message. */
801 struct rndis_per_packet_info {
807 enum ndis_per_pkt_info_type {
808 TCPIP_CHKSUM_PKTINFO,
810 TCP_LARGESEND_PKTINFO,
811 CLASSIFICATION_HANDLE_PKTINFO,
817 ORIGINAL_NET_BUFLIST,
823 struct ndis_pkt_8021q_info {
826 u32 pri:3; /* User Priority */
827 u32 cfi:1; /* Canonical Format ID */
828 u32 vlanid:12; /* VLAN ID */
835 struct ndis_oject_header {
841 #define NDIS_OBJECT_TYPE_DEFAULT 0x80
842 #define NDIS_OFFLOAD_PARAMETERS_REVISION_3 3
843 #define NDIS_OFFLOAD_PARAMETERS_NO_CHANGE 0
844 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_DISABLED 1
845 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_ENABLED 2
846 #define NDIS_OFFLOAD_PARAMETERS_LSOV1_ENABLED 2
847 #define NDIS_OFFLOAD_PARAMETERS_RSC_DISABLED 1
848 #define NDIS_OFFLOAD_PARAMETERS_RSC_ENABLED 2
849 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_DISABLED 1
850 #define NDIS_OFFLOAD_PARAMETERS_TX_ENABLED_RX_DISABLED 2
851 #define NDIS_OFFLOAD_PARAMETERS_RX_ENABLED_TX_DISABLED 3
852 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_ENABLED 4
854 #define NDIS_TCP_LARGE_SEND_OFFLOAD_V2_TYPE 1
855 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV4 0
856 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV6 1
858 #define VERSION_4_OFFLOAD_SIZE 22
860 * New offload OIDs for NDIS 6
862 #define OID_TCP_OFFLOAD_CURRENT_CONFIG 0xFC01020B /* query only */
863 #define OID_TCP_OFFLOAD_PARAMETERS 0xFC01020C /* set only */
864 #define OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020D/* query only */
865 #define OID_TCP_CONNECTION_OFFLOAD_CURRENT_CONFIG 0xFC01020E /* query only */
866 #define OID_TCP_CONNECTION_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020F /* query */
867 #define OID_OFFLOAD_ENCAPSULATION 0x0101010A /* set/query */
869 struct ndis_offload_params {
870 struct ndis_oject_header header;
880 u8 tcp_connection_ip_v4;
881 u8 tcp_connection_ip_v6;
890 u8 encapsulated_packet_task_offload;
891 u8 encapsulation_types;
895 struct ndis_tcp_ip_checksum_info {
902 u32 ip_header_checksum:1;
904 u32 tcp_header_offset:10;
907 u32 tcp_checksum_failed:1;
908 u32 udp_checksum_failed:1;
909 u32 ip_checksum_failed:1;
910 u32 tcp_checksum_succeeded:1;
911 u32 udp_checksum_succeeded:1;
912 u32 ip_checksum_succeeded:1;
914 u32 tcp_checksum_value_invalid:1;
915 u32 ip_checksum_value_invalid:1;
921 struct ndis_tcp_lso_info {
930 u32 tcp_header_offset:10;
938 } lso_v1_transmit_complete;
941 u32 tcp_header_offset:10;
949 } lso_v2_transmit_complete;
954 #define NDIS_VLAN_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
955 sizeof(struct ndis_pkt_8021q_info))
957 #define NDIS_CSUM_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
958 sizeof(struct ndis_tcp_ip_checksum_info))
960 #define NDIS_LSO_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
961 sizeof(struct ndis_tcp_lso_info))
963 /* Format of Information buffer passed in a SetRequest for the OID */
964 /* OID_GEN_RNDIS_CONFIG_PARAMETER. */
965 struct rndis_config_parameter_info {
966 u32 parameter_name_offset;
967 u32 parameter_name_length;
969 u32 parameter_value_offset;
970 u32 parameter_value_length;
973 /* Values for ParameterType in struct rndis_config_parameter_info */
974 #define RNDIS_CONFIG_PARAM_TYPE_INTEGER 0
975 #define RNDIS_CONFIG_PARAM_TYPE_STRING 2
977 /* CONDIS Miniport messages for connection oriented devices */
978 /* that do not implement a call manager. */
980 /* CoNdisMiniportCreateVc message */
981 struct rcondis_mp_create_vc {
986 /* Response to CoNdisMiniportCreateVc */
987 struct rcondis_mp_create_vc_complete {
993 /* CoNdisMiniportDeleteVc message */
994 struct rcondis_mp_delete_vc {
999 /* Response to CoNdisMiniportDeleteVc */
1000 struct rcondis_mp_delete_vc_complete {
1005 /* CoNdisMiniportQueryRequest message */
1006 struct rcondis_mp_query_request {
1012 u32 info_buf_offset;
1015 /* CoNdisMiniportSetRequest message */
1016 struct rcondis_mp_set_request {
1022 u32 info_buf_offset;
1025 /* CoNdisIndicateStatus message */
1026 struct rcondis_indicate_status {
1030 u32 status_buf_offset;
1033 /* CONDIS Call/VC parameters */
1034 struct rcondis_specific_parameters {
1036 u32 parameter_length;
1037 u32 parameter_lffset;
1040 struct rcondis_media_parameters {
1044 struct rcondis_specific_parameters media_specific;
1047 struct rndis_flowspec {
1049 u32 token_bucket_size;
1052 u32 delay_variation;
1055 u32 minimum_policed_size;
1058 struct rcondis_call_manager_parameters {
1059 struct rndis_flowspec transmit;
1060 struct rndis_flowspec receive;
1061 struct rcondis_specific_parameters call_mgr_specific;
1064 /* CoNdisMiniportActivateVc message */
1065 struct rcondis_mp_activate_vc_request {
1069 u32 media_params_offset;
1070 u32 media_params_length;
1071 u32 call_mgr_params_offset;
1072 u32 call_mgr_params_length;
1075 /* Response to CoNdisMiniportActivateVc */
1076 struct rcondis_mp_activate_vc_complete {
1081 /* CoNdisMiniportDeactivateVc message */
1082 struct rcondis_mp_deactivate_vc_request {
1088 /* Response to CoNdisMiniportDeactivateVc */
1089 struct rcondis_mp_deactivate_vc_complete {
1095 /* union with all of the RNDIS messages */
1096 union rndis_message_container {
1097 struct rndis_packet pkt;
1098 struct rndis_initialize_request init_req;
1099 struct rndis_halt_request halt_req;
1100 struct rndis_query_request query_req;
1101 struct rndis_set_request set_req;
1102 struct rndis_reset_request reset_req;
1103 struct rndis_keepalive_request keep_alive_req;
1104 struct rndis_indicate_status indicate_status;
1105 struct rndis_initialize_complete init_complete;
1106 struct rndis_query_complete query_complete;
1107 struct rndis_set_complete set_complete;
1108 struct rndis_reset_complete reset_complete;
1109 struct rndis_keepalive_complete keep_alive_complete;
1110 struct rcondis_mp_create_vc co_miniport_create_vc;
1111 struct rcondis_mp_delete_vc co_miniport_delete_vc;
1112 struct rcondis_indicate_status co_indicate_status;
1113 struct rcondis_mp_activate_vc_request co_miniport_activate_vc;
1114 struct rcondis_mp_deactivate_vc_request co_miniport_deactivate_vc;
1115 struct rcondis_mp_create_vc_complete co_miniport_create_vc_complete;
1116 struct rcondis_mp_delete_vc_complete co_miniport_delete_vc_complete;
1117 struct rcondis_mp_activate_vc_complete co_miniport_activate_vc_complete;
1118 struct rcondis_mp_deactivate_vc_complete
1119 co_miniport_deactivate_vc_complete;
1122 /* Remote NDIS message format */
1123 struct rndis_message {
1126 /* Total length of this message, from the beginning */
1127 /* of the sruct rndis_message, in bytes. */
1130 /* Actual message */
1131 union rndis_message_container msg;
1137 /* get the size of an RNDIS message. Pass in the message type, */
1138 /* struct rndis_set_request, struct rndis_packet for example */
1139 #define RNDIS_MESSAGE_SIZE(msg) \
1140 (sizeof(msg) + (sizeof(struct rndis_message) - \
1141 sizeof(union rndis_message_container)))
1143 /* get pointer to info buffer with message pointer */
1144 #define MESSAGE_TO_INFO_BUFFER(msg) \
1145 (((unsigned char *)(msg)) + msg->info_buf_offset)
1147 /* get pointer to status buffer with message pointer */
1148 #define MESSAGE_TO_STATUS_BUFFER(msg) \
1149 (((unsigned char *)(msg)) + msg->status_buf_offset)
1151 /* get pointer to OOBD buffer with message pointer */
1152 #define MESSAGE_TO_OOBD_BUFFER(msg) \
1153 (((unsigned char *)(msg)) + msg->oob_data_offset)
1155 /* get pointer to data buffer with message pointer */
1156 #define MESSAGE_TO_DATA_BUFFER(msg) \
1157 (((unsigned char *)(msg)) + msg->per_pkt_info_offset)
1159 /* get pointer to contained message from NDIS_MESSAGE pointer */
1160 #define RNDIS_MESSAGE_PTR_TO_MESSAGE_PTR(rndis_msg) \
1161 ((void *) &rndis_msg->msg)
1163 /* get pointer to contained message from NDIS_MESSAGE pointer */
1164 #define RNDIS_MESSAGE_RAW_PTR_TO_MESSAGE_PTR(rndis_msg) \
1165 ((void *) rndis_msg)
1168 #define __struct_bcount(x)
1172 #define RNDIS_HEADER_SIZE (sizeof(struct rndis_message) - \
1173 sizeof(union rndis_message_container))
1175 #define NDIS_PACKET_TYPE_DIRECTED 0x00000001
1176 #define NDIS_PACKET_TYPE_MULTICAST 0x00000002
1177 #define NDIS_PACKET_TYPE_ALL_MULTICAST 0x00000004
1178 #define NDIS_PACKET_TYPE_BROADCAST 0x00000008
1179 #define NDIS_PACKET_TYPE_SOURCE_ROUTING 0x00000010
1180 #define NDIS_PACKET_TYPE_PROMISCUOUS 0x00000020
1181 #define NDIS_PACKET_TYPE_SMT 0x00000040
1182 #define NDIS_PACKET_TYPE_ALL_LOCAL 0x00000080
1183 #define NDIS_PACKET_TYPE_GROUP 0x00000100
1184 #define NDIS_PACKET_TYPE_ALL_FUNCTIONAL 0x00000200
1185 #define NDIS_PACKET_TYPE_FUNCTIONAL 0x00000400
1186 #define NDIS_PACKET_TYPE_MAC_FRAME 0x00000800
1193 #define TRANSPORT_INFO_NOT_IP 0
1194 #define TRANSPORT_INFO_IPV4_TCP ((INFO_IPV4 << 16) | INFO_TCP)
1195 #define TRANSPORT_INFO_IPV4_UDP ((INFO_IPV4 << 16) | INFO_UDP)
1196 #define TRANSPORT_INFO_IPV6_TCP ((INFO_IPV6 << 16) | INFO_TCP)
1197 #define TRANSPORT_INFO_IPV6_UDP ((INFO_IPV6 << 16) | INFO_UDP)
1200 #endif /* _HYPERV_NET_H */