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 ndis_tcp_ip_checksum_info;
125 * Represent netvsc packet which contains 1 RNDIS and 1 ethernet frame
128 struct hv_netvsc_packet {
129 /* Bookkeeping stuff */
132 struct hv_device *device;
137 struct vmbus_channel *channel;
139 u64 send_completion_tid;
140 void *send_completion_ctx;
141 void (*send_completion)(void *context);
145 /* This points to the memory after page_buf */
146 struct rndis_message *rndis_msg;
148 u32 total_data_buflen;
149 /* Points to the send/receive buffer where the ethernet frame is */
152 struct hv_page_buffer page_buf[0];
155 struct netvsc_device_info {
156 unsigned char mac_adr[ETH_ALEN];
157 bool link_state; /* 0 - link up, 1 - link down */
161 enum rndis_device_state {
162 RNDIS_DEV_UNINITIALIZED = 0,
163 RNDIS_DEV_INITIALIZING,
164 RNDIS_DEV_INITIALIZED,
165 RNDIS_DEV_DATAINITIALIZED,
168 struct rndis_device {
169 struct netvsc_device *net_dev;
171 enum rndis_device_state state;
176 spinlock_t request_lock;
177 struct list_head req_list;
179 unsigned char hw_mac_adr[ETH_ALEN];
184 int netvsc_device_add(struct hv_device *device, void *additional_info);
185 int netvsc_device_remove(struct hv_device *device);
186 int netvsc_send(struct hv_device *device,
187 struct hv_netvsc_packet *packet);
188 void netvsc_linkstatus_callback(struct hv_device *device_obj,
189 struct rndis_message *resp);
190 int netvsc_recv_callback(struct hv_device *device_obj,
191 struct hv_netvsc_packet *packet,
192 struct ndis_tcp_ip_checksum_info *csum_info);
193 void netvsc_channel_cb(void *context);
194 int rndis_filter_open(struct hv_device *dev);
195 int rndis_filter_close(struct hv_device *dev);
196 int rndis_filter_device_add(struct hv_device *dev,
197 void *additional_info);
198 void rndis_filter_device_remove(struct hv_device *dev);
199 int rndis_filter_receive(struct hv_device *dev,
200 struct hv_netvsc_packet *pkt);
202 int rndis_filter_set_packet_filter(struct rndis_device *dev, u32 new_filter);
203 int rndis_filter_set_device_mac(struct hv_device *hdev, char *mac);
206 #define NVSP_INVALID_PROTOCOL_VERSION ((u32)0xFFFFFFFF)
208 #define NVSP_PROTOCOL_VERSION_1 2
209 #define NVSP_PROTOCOL_VERSION_2 0x30002
210 #define NVSP_PROTOCOL_VERSION_4 0x40000
211 #define NVSP_PROTOCOL_VERSION_5 0x50000
214 NVSP_MSG_TYPE_NONE = 0,
217 NVSP_MSG_TYPE_INIT = 1,
218 NVSP_MSG_TYPE_INIT_COMPLETE = 2,
220 NVSP_VERSION_MSG_START = 100,
222 /* Version 1 Messages */
223 NVSP_MSG1_TYPE_SEND_NDIS_VER = NVSP_VERSION_MSG_START,
225 NVSP_MSG1_TYPE_SEND_RECV_BUF,
226 NVSP_MSG1_TYPE_SEND_RECV_BUF_COMPLETE,
227 NVSP_MSG1_TYPE_REVOKE_RECV_BUF,
229 NVSP_MSG1_TYPE_SEND_SEND_BUF,
230 NVSP_MSG1_TYPE_SEND_SEND_BUF_COMPLETE,
231 NVSP_MSG1_TYPE_REVOKE_SEND_BUF,
233 NVSP_MSG1_TYPE_SEND_RNDIS_PKT,
234 NVSP_MSG1_TYPE_SEND_RNDIS_PKT_COMPLETE,
236 /* Version 2 messages */
237 NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF,
238 NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF_COMP,
239 NVSP_MSG2_TYPE_REVOKE_CHIMNEY_DELEGATED_BUF,
241 NVSP_MSG2_TYPE_RESUME_CHIMNEY_RX_INDICATION,
243 NVSP_MSG2_TYPE_TERMINATE_CHIMNEY,
244 NVSP_MSG2_TYPE_TERMINATE_CHIMNEY_COMP,
246 NVSP_MSG2_TYPE_INDICATE_CHIMNEY_EVENT,
248 NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT,
249 NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT_COMP,
251 NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ,
252 NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ_COMP,
254 NVSP_MSG2_TYPE_ALLOC_RXBUF,
255 NVSP_MSG2_TYPE_ALLOC_RXBUF_COMP,
257 NVSP_MSG2_TYPE_FREE_RXBUF,
259 NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT,
260 NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT_COMP,
262 NVSP_MSG2_TYPE_SEND_NDIS_CONFIG,
264 NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE,
265 NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP,
267 NVSP_MSG2_MAX = NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP,
269 /* Version 4 messages */
270 NVSP_MSG4_TYPE_SEND_VF_ASSOCIATION,
271 NVSP_MSG4_TYPE_SWITCH_DATA_PATH,
272 NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED,
274 NVSP_MSG4_MAX = NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED,
276 /* Version 5 messages */
277 NVSP_MSG5_TYPE_OID_QUERY_EX,
278 NVSP_MSG5_TYPE_OID_QUERY_EX_COMP,
279 NVSP_MSG5_TYPE_SUBCHANNEL,
280 NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE,
282 NVSP_MSG5_MAX = NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE,
289 NVSP_STAT_PROTOCOL_TOO_NEW,
290 NVSP_STAT_PROTOCOL_TOO_OLD,
291 NVSP_STAT_INVALID_RNDIS_PKT,
293 NVSP_STAT_PROTOCOL_UNSUPPORTED,
297 struct nvsp_message_header {
304 * This message is used by the VSC to initialize the channel after the channels
305 * has been opened. This message should never include anything other then
306 * versioning (i.e. this message will be the same for ever).
308 struct nvsp_message_init {
309 u32 min_protocol_ver;
310 u32 max_protocol_ver;
314 * This message is used by the VSP to complete the initialization of the
315 * channel. This message should never include anything other then versioning
316 * (i.e. this message will be the same for ever).
318 struct nvsp_message_init_complete {
319 u32 negotiated_protocol_ver;
320 u32 max_mdl_chain_len;
324 union nvsp_message_init_uber {
325 struct nvsp_message_init init;
326 struct nvsp_message_init_complete init_complete;
329 /* Version 1 Messages */
332 * This message is used by the VSC to send the NDIS version to the VSP. The VSP
333 * can use this information when handling OIDs sent by the VSC.
335 struct nvsp_1_message_send_ndis_version {
341 * This message is used by the VSC to send a receive buffer to the VSP. The VSP
342 * can then use the receive buffer to send data to the VSC.
344 struct nvsp_1_message_send_receive_buffer {
349 struct nvsp_1_receive_buffer_section {
357 * This message is used by the VSP to acknowledge a receive buffer send by the
358 * VSC. This message must be sent by the VSP before the VSP uses the receive
361 struct nvsp_1_message_send_receive_buffer_complete {
366 * The receive buffer is split into two parts, a large suballocation
367 * section and a small suballocation section. These sections are then
368 * suballocated by a certain size.
372 * For example, the following break up of the receive buffer has 6
373 * large suballocations and 10 small suballocations.
377 * | Large Section | | Small Section |
378 * ------------------------------------------------------------
379 * | | | | | | | | | | | | | | | | | |
381 * LargeOffset SmallOffset
384 struct nvsp_1_receive_buffer_section sections[1];
388 * This message is sent by the VSC to revoke the receive buffer. After the VSP
389 * completes this transaction, the vsp should never use the receive buffer
392 struct nvsp_1_message_revoke_receive_buffer {
397 * This message is used by the VSC to send a send buffer to the VSP. The VSC
398 * can then use the send buffer to send data to the VSP.
400 struct nvsp_1_message_send_send_buffer {
406 * This message is used by the VSP to acknowledge a send buffer sent by the
407 * VSC. This message must be sent by the VSP before the VSP uses the sent
410 struct nvsp_1_message_send_send_buffer_complete {
414 * The VSC gets to choose the size of the send buffer and the VSP gets
415 * to choose the sections size of the buffer. This was done to enable
416 * dynamic reconfigurations when the cost of GPA-direct buffers
423 * This message is sent by the VSC to revoke the send buffer. After the VSP
424 * completes this transaction, the vsp should never use the send buffer again.
426 struct nvsp_1_message_revoke_send_buffer {
431 * This message is used by both the VSP and the VSC to send a RNDIS message to
432 * the opposite channel endpoint.
434 struct nvsp_1_message_send_rndis_packet {
436 * This field is specified by RNIDS. They assume there's two different
437 * channels of communication. However, the Network VSP only has one.
438 * Therefore, the channel travels with the RNDIS packet.
443 * This field is used to send part or all of the data through a send
444 * buffer. This values specifies an index into the send buffer. If the
445 * index is 0xFFFFFFFF, then the send buffer is not being used and all
446 * of the data was sent through other VMBus mechanisms.
448 u32 send_buf_section_index;
449 u32 send_buf_section_size;
453 * This message is used by both the VSP and the VSC to complete a RNDIS message
454 * to the opposite channel endpoint. At this point, the initiator of this
455 * message cannot use any resources associated with the original RNDIS packet.
457 struct nvsp_1_message_send_rndis_packet_complete {
461 union nvsp_1_message_uber {
462 struct nvsp_1_message_send_ndis_version send_ndis_ver;
464 struct nvsp_1_message_send_receive_buffer send_recv_buf;
465 struct nvsp_1_message_send_receive_buffer_complete
466 send_recv_buf_complete;
467 struct nvsp_1_message_revoke_receive_buffer revoke_recv_buf;
469 struct nvsp_1_message_send_send_buffer send_send_buf;
470 struct nvsp_1_message_send_send_buffer_complete send_send_buf_complete;
471 struct nvsp_1_message_revoke_send_buffer revoke_send_buf;
473 struct nvsp_1_message_send_rndis_packet send_rndis_pkt;
474 struct nvsp_1_message_send_rndis_packet_complete
475 send_rndis_pkt_complete;
480 * Network VSP protocol version 2 messages:
482 struct nvsp_2_vsc_capability {
490 u64 correlation_id:1;
495 struct nvsp_2_send_ndis_config {
498 struct nvsp_2_vsc_capability capability;
501 /* Allocate receive buffer */
502 struct nvsp_2_alloc_rxbuf {
503 /* Allocation ID to match the allocation request and response */
506 /* Length of the VM shared memory receive buffer that needs to
512 /* Allocate receive buffer complete */
513 struct nvsp_2_alloc_rxbuf_comp {
514 /* The NDIS_STATUS code for buffer allocation */
519 /* GPADL handle for the allocated receive buffer */
522 /* Receive buffer ID */
526 struct nvsp_2_free_rxbuf {
530 union nvsp_2_message_uber {
531 struct nvsp_2_send_ndis_config send_ndis_config;
532 struct nvsp_2_alloc_rxbuf alloc_rxbuf;
533 struct nvsp_2_alloc_rxbuf_comp alloc_rxbuf_comp;
534 struct nvsp_2_free_rxbuf free_rxbuf;
537 enum nvsp_subchannel_operation {
538 NVSP_SUBCHANNEL_NONE = 0,
539 NVSP_SUBCHANNEL_ALLOCATE,
543 struct nvsp_5_subchannel_request {
548 struct nvsp_5_subchannel_complete {
550 u32 num_subchannels; /* Actual number of subchannels allocated */
553 struct nvsp_5_send_indirect_table {
554 /* The number of entries in the send indirection table */
557 /* The offset of the send indireciton table from top of this struct.
558 * The send indirection table tells which channel to put the send
559 * traffic on. Each entry is a channel number.
564 union nvsp_5_message_uber {
565 struct nvsp_5_subchannel_request subchn_req;
566 struct nvsp_5_subchannel_complete subchn_comp;
567 struct nvsp_5_send_indirect_table send_table;
570 union nvsp_all_messages {
571 union nvsp_message_init_uber init_msg;
572 union nvsp_1_message_uber v1_msg;
573 union nvsp_2_message_uber v2_msg;
574 union nvsp_5_message_uber v5_msg;
578 struct nvsp_message {
579 struct nvsp_message_header hdr;
580 union nvsp_all_messages msg;
584 #define NETVSC_MTU 65536
586 #define NETVSC_RECEIVE_BUFFER_SIZE (1024*1024*16) /* 16MB */
587 #define NETVSC_RECEIVE_BUFFER_SIZE_LEGACY (1024*1024*15) /* 15MB */
588 #define NETVSC_SEND_BUFFER_SIZE (1024 * 1024 * 16) /* 16MB */
589 #define NETVSC_INVALID_INDEX -1
592 #define NETVSC_RECEIVE_BUFFER_ID 0xcafe
594 #define NETVSC_PACKET_SIZE 2048
596 #define VRSS_SEND_TAB_SIZE 16
598 /* Per netvsc channel-specific */
599 struct netvsc_device {
600 struct hv_device *dev;
604 atomic_t num_outstanding_sends;
605 wait_queue_head_t wait_drain;
609 /* Receive buffer allocated by us but manages by NetVSP */
612 u32 recv_buf_gpadl_handle;
613 u32 recv_section_cnt;
614 struct nvsp_1_receive_buffer_section *recv_section;
616 /* Send buffer allocated by us */
619 u32 send_buf_gpadl_handle;
620 u32 send_section_cnt;
621 u32 send_section_size;
622 unsigned long *send_section_map;
625 /* Used for NetVSP initialization protocol */
626 struct completion channel_init_wait;
627 struct nvsp_message channel_init_pkt;
629 struct nvsp_message revoke_packet;
630 /* unsigned char HwMacAddr[HW_MACADDR_LEN]; */
632 struct net_device *ndev;
634 struct vmbus_channel *chn_table[NR_CPUS];
635 u32 send_table[VRSS_SEND_TAB_SIZE];
637 atomic_t queue_sends[NR_CPUS];
639 /* Holds rndis device info */
644 /* The primary channel callback buffer */
645 unsigned char cb_buffer[NETVSC_PACKET_SIZE];
646 /* The sub channel callback buffer */
647 unsigned char *sub_cb_buf;
650 /* NdisInitialize message */
651 struct rndis_initialize_request {
658 /* Response to NdisInitialize */
659 struct rndis_initialize_complete {
668 u32 pkt_alignment_factor;
673 /* Call manager devices only: Information about an address family */
674 /* supported by the device is appended to the response to NdisInitialize. */
675 struct rndis_co_address_family {
681 /* NdisHalt message */
682 struct rndis_halt_request {
686 /* NdisQueryRequest message */
687 struct rndis_query_request {
695 /* Response to NdisQueryRequest */
696 struct rndis_query_complete {
703 /* NdisSetRequest message */
704 struct rndis_set_request {
712 /* Response to NdisSetRequest */
713 struct rndis_set_complete {
718 /* NdisReset message */
719 struct rndis_reset_request {
723 /* Response to NdisReset */
724 struct rndis_reset_complete {
726 u32 addressing_reset;
729 /* NdisMIndicateStatus message */
730 struct rndis_indicate_status {
733 u32 status_buf_offset;
736 /* Diagnostic information passed as the status buffer in */
737 /* struct rndis_indicate_status messages signifying error conditions. */
738 struct rndis_diagnostic_info {
743 /* NdisKeepAlive message */
744 struct rndis_keepalive_request {
748 /* Response to NdisKeepAlive */
749 struct rndis_keepalive_complete {
755 * Data message. All Offset fields contain byte offsets from the beginning of
756 * struct rndis_packet. All Length fields are in bytes. VcHandle is set
757 * to 0 for connectionless data, otherwise it contains the VC handle.
759 struct rndis_packet {
764 u32 num_oob_data_elements;
765 u32 per_pkt_info_offset;
766 u32 per_pkt_info_len;
771 /* Optional Out of Band data associated with a Data message. */
775 u32 class_info_offset;
778 /* Packet extension field contents associated with a Data message. */
779 struct rndis_per_packet_info {
785 enum ndis_per_pkt_info_type {
786 TCPIP_CHKSUM_PKTINFO,
788 TCP_LARGESEND_PKTINFO,
789 CLASSIFICATION_HANDLE_PKTINFO,
795 NBL_HASH_VALUE = PACKET_CANCEL_ID,
796 ORIGINAL_NET_BUFLIST,
802 struct ndis_pkt_8021q_info {
805 u32 pri:3; /* User Priority */
806 u32 cfi:1; /* Canonical Format ID */
807 u32 vlanid:12; /* VLAN ID */
814 struct ndis_oject_header {
820 #define NDIS_OBJECT_TYPE_DEFAULT 0x80
821 #define NDIS_OFFLOAD_PARAMETERS_REVISION_3 3
822 #define NDIS_OFFLOAD_PARAMETERS_NO_CHANGE 0
823 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_DISABLED 1
824 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_ENABLED 2
825 #define NDIS_OFFLOAD_PARAMETERS_LSOV1_ENABLED 2
826 #define NDIS_OFFLOAD_PARAMETERS_RSC_DISABLED 1
827 #define NDIS_OFFLOAD_PARAMETERS_RSC_ENABLED 2
828 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_DISABLED 1
829 #define NDIS_OFFLOAD_PARAMETERS_TX_ENABLED_RX_DISABLED 2
830 #define NDIS_OFFLOAD_PARAMETERS_RX_ENABLED_TX_DISABLED 3
831 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_ENABLED 4
833 #define NDIS_TCP_LARGE_SEND_OFFLOAD_V2_TYPE 1
834 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV4 0
835 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV6 1
837 #define VERSION_4_OFFLOAD_SIZE 22
839 * New offload OIDs for NDIS 6
841 #define OID_TCP_OFFLOAD_CURRENT_CONFIG 0xFC01020B /* query only */
842 #define OID_TCP_OFFLOAD_PARAMETERS 0xFC01020C /* set only */
843 #define OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020D/* query only */
844 #define OID_TCP_CONNECTION_OFFLOAD_CURRENT_CONFIG 0xFC01020E /* query only */
845 #define OID_TCP_CONNECTION_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020F /* query */
846 #define OID_OFFLOAD_ENCAPSULATION 0x0101010A /* set/query */
848 struct ndis_offload_params {
849 struct ndis_oject_header header;
859 u8 tcp_connection_ip_v4;
860 u8 tcp_connection_ip_v6;
869 u8 encapsulated_packet_task_offload;
870 u8 encapsulation_types;
874 struct ndis_tcp_ip_checksum_info {
881 u32 ip_header_checksum:1;
883 u32 tcp_header_offset:10;
886 u32 tcp_checksum_failed:1;
887 u32 udp_checksum_failed:1;
888 u32 ip_checksum_failed:1;
889 u32 tcp_checksum_succeeded:1;
890 u32 udp_checksum_succeeded:1;
891 u32 ip_checksum_succeeded:1;
893 u32 tcp_checksum_value_invalid:1;
894 u32 ip_checksum_value_invalid:1;
900 struct ndis_tcp_lso_info {
909 u32 tcp_header_offset:10;
917 } lso_v1_transmit_complete;
920 u32 tcp_header_offset:10;
928 } lso_v2_transmit_complete;
933 #define NDIS_VLAN_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
934 sizeof(struct ndis_pkt_8021q_info))
936 #define NDIS_CSUM_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
937 sizeof(struct ndis_tcp_ip_checksum_info))
939 #define NDIS_LSO_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
940 sizeof(struct ndis_tcp_lso_info))
942 #define NDIS_HASH_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
945 /* Format of Information buffer passed in a SetRequest for the OID */
946 /* OID_GEN_RNDIS_CONFIG_PARAMETER. */
947 struct rndis_config_parameter_info {
948 u32 parameter_name_offset;
949 u32 parameter_name_length;
951 u32 parameter_value_offset;
952 u32 parameter_value_length;
955 /* Values for ParameterType in struct rndis_config_parameter_info */
956 #define RNDIS_CONFIG_PARAM_TYPE_INTEGER 0
957 #define RNDIS_CONFIG_PARAM_TYPE_STRING 2
959 /* CONDIS Miniport messages for connection oriented devices */
960 /* that do not implement a call manager. */
962 /* CoNdisMiniportCreateVc message */
963 struct rcondis_mp_create_vc {
968 /* Response to CoNdisMiniportCreateVc */
969 struct rcondis_mp_create_vc_complete {
975 /* CoNdisMiniportDeleteVc message */
976 struct rcondis_mp_delete_vc {
981 /* Response to CoNdisMiniportDeleteVc */
982 struct rcondis_mp_delete_vc_complete {
987 /* CoNdisMiniportQueryRequest message */
988 struct rcondis_mp_query_request {
997 /* CoNdisMiniportSetRequest message */
998 struct rcondis_mp_set_request {
1004 u32 info_buf_offset;
1007 /* CoNdisIndicateStatus message */
1008 struct rcondis_indicate_status {
1012 u32 status_buf_offset;
1015 /* CONDIS Call/VC parameters */
1016 struct rcondis_specific_parameters {
1018 u32 parameter_length;
1019 u32 parameter_lffset;
1022 struct rcondis_media_parameters {
1026 struct rcondis_specific_parameters media_specific;
1029 struct rndis_flowspec {
1031 u32 token_bucket_size;
1034 u32 delay_variation;
1037 u32 minimum_policed_size;
1040 struct rcondis_call_manager_parameters {
1041 struct rndis_flowspec transmit;
1042 struct rndis_flowspec receive;
1043 struct rcondis_specific_parameters call_mgr_specific;
1046 /* CoNdisMiniportActivateVc message */
1047 struct rcondis_mp_activate_vc_request {
1051 u32 media_params_offset;
1052 u32 media_params_length;
1053 u32 call_mgr_params_offset;
1054 u32 call_mgr_params_length;
1057 /* Response to CoNdisMiniportActivateVc */
1058 struct rcondis_mp_activate_vc_complete {
1063 /* CoNdisMiniportDeactivateVc message */
1064 struct rcondis_mp_deactivate_vc_request {
1070 /* Response to CoNdisMiniportDeactivateVc */
1071 struct rcondis_mp_deactivate_vc_complete {
1077 /* union with all of the RNDIS messages */
1078 union rndis_message_container {
1079 struct rndis_packet pkt;
1080 struct rndis_initialize_request init_req;
1081 struct rndis_halt_request halt_req;
1082 struct rndis_query_request query_req;
1083 struct rndis_set_request set_req;
1084 struct rndis_reset_request reset_req;
1085 struct rndis_keepalive_request keep_alive_req;
1086 struct rndis_indicate_status indicate_status;
1087 struct rndis_initialize_complete init_complete;
1088 struct rndis_query_complete query_complete;
1089 struct rndis_set_complete set_complete;
1090 struct rndis_reset_complete reset_complete;
1091 struct rndis_keepalive_complete keep_alive_complete;
1092 struct rcondis_mp_create_vc co_miniport_create_vc;
1093 struct rcondis_mp_delete_vc co_miniport_delete_vc;
1094 struct rcondis_indicate_status co_indicate_status;
1095 struct rcondis_mp_activate_vc_request co_miniport_activate_vc;
1096 struct rcondis_mp_deactivate_vc_request co_miniport_deactivate_vc;
1097 struct rcondis_mp_create_vc_complete co_miniport_create_vc_complete;
1098 struct rcondis_mp_delete_vc_complete co_miniport_delete_vc_complete;
1099 struct rcondis_mp_activate_vc_complete co_miniport_activate_vc_complete;
1100 struct rcondis_mp_deactivate_vc_complete
1101 co_miniport_deactivate_vc_complete;
1104 /* Remote NDIS message format */
1105 struct rndis_message {
1108 /* Total length of this message, from the beginning */
1109 /* of the sruct rndis_message, in bytes. */
1112 /* Actual message */
1113 union rndis_message_container msg;
1119 /* get the size of an RNDIS message. Pass in the message type, */
1120 /* struct rndis_set_request, struct rndis_packet for example */
1121 #define RNDIS_MESSAGE_SIZE(msg) \
1122 (sizeof(msg) + (sizeof(struct rndis_message) - \
1123 sizeof(union rndis_message_container)))
1125 /* get pointer to info buffer with message pointer */
1126 #define MESSAGE_TO_INFO_BUFFER(msg) \
1127 (((unsigned char *)(msg)) + msg->info_buf_offset)
1129 /* get pointer to status buffer with message pointer */
1130 #define MESSAGE_TO_STATUS_BUFFER(msg) \
1131 (((unsigned char *)(msg)) + msg->status_buf_offset)
1133 /* get pointer to OOBD buffer with message pointer */
1134 #define MESSAGE_TO_OOBD_BUFFER(msg) \
1135 (((unsigned char *)(msg)) + msg->oob_data_offset)
1137 /* get pointer to data buffer with message pointer */
1138 #define MESSAGE_TO_DATA_BUFFER(msg) \
1139 (((unsigned char *)(msg)) + msg->per_pkt_info_offset)
1141 /* get pointer to contained message from NDIS_MESSAGE pointer */
1142 #define RNDIS_MESSAGE_PTR_TO_MESSAGE_PTR(rndis_msg) \
1143 ((void *) &rndis_msg->msg)
1145 /* get pointer to contained message from NDIS_MESSAGE pointer */
1146 #define RNDIS_MESSAGE_RAW_PTR_TO_MESSAGE_PTR(rndis_msg) \
1147 ((void *) rndis_msg)
1150 #define __struct_bcount(x)
1154 #define RNDIS_HEADER_SIZE (sizeof(struct rndis_message) - \
1155 sizeof(union rndis_message_container))
1157 #define NDIS_PACKET_TYPE_DIRECTED 0x00000001
1158 #define NDIS_PACKET_TYPE_MULTICAST 0x00000002
1159 #define NDIS_PACKET_TYPE_ALL_MULTICAST 0x00000004
1160 #define NDIS_PACKET_TYPE_BROADCAST 0x00000008
1161 #define NDIS_PACKET_TYPE_SOURCE_ROUTING 0x00000010
1162 #define NDIS_PACKET_TYPE_PROMISCUOUS 0x00000020
1163 #define NDIS_PACKET_TYPE_SMT 0x00000040
1164 #define NDIS_PACKET_TYPE_ALL_LOCAL 0x00000080
1165 #define NDIS_PACKET_TYPE_GROUP 0x00000100
1166 #define NDIS_PACKET_TYPE_ALL_FUNCTIONAL 0x00000200
1167 #define NDIS_PACKET_TYPE_FUNCTIONAL 0x00000400
1168 #define NDIS_PACKET_TYPE_MAC_FRAME 0x00000800
1175 #define TRANSPORT_INFO_NOT_IP 0
1176 #define TRANSPORT_INFO_IPV4_TCP ((INFO_IPV4 << 16) | INFO_TCP)
1177 #define TRANSPORT_INFO_IPV4_UDP ((INFO_IPV4 << 16) | INFO_UDP)
1178 #define TRANSPORT_INFO_IPV6_TCP ((INFO_IPV6 << 16) | INFO_TCP)
1179 #define TRANSPORT_INFO_IPV6_UDP ((INFO_IPV6 << 16) | INFO_UDP)
1182 #endif /* _HYPERV_NET_H */