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 * The size of this structure is less than 48 bytes and we can now
129 * place this structure in the skb->cb field.
131 struct hv_netvsc_packet {
132 /* Bookkeeping stuff */
133 u8 cp_partial; /* partial copy into send buffer */
135 u8 rmsg_size; /* RNDIS header and PPI size */
136 u8 rmsg_pgcnt; /* page count of RNDIS header and PPI */
142 u32 total_data_buflen;
145 struct netvsc_device_info {
146 unsigned char mac_adr[ETH_ALEN];
147 bool link_state; /* 0 - link up, 1 - link down */
149 u32 max_num_vrss_chns;
153 enum rndis_device_state {
154 RNDIS_DEV_UNINITIALIZED = 0,
155 RNDIS_DEV_INITIALIZING,
156 RNDIS_DEV_INITIALIZED,
157 RNDIS_DEV_DATAINITIALIZED,
160 struct rndis_device {
161 struct netvsc_device *net_dev;
163 enum rndis_device_state state;
167 spinlock_t request_lock;
168 struct list_head req_list;
170 unsigned char hw_mac_adr[ETH_ALEN];
175 struct rndis_message;
176 int netvsc_device_add(struct hv_device *device, void *additional_info);
177 int netvsc_device_remove(struct hv_device *device);
178 int netvsc_send(struct hv_device *device,
179 struct hv_netvsc_packet *packet,
180 struct rndis_message *rndis_msg,
181 struct hv_page_buffer **page_buffer,
182 struct sk_buff *skb);
183 void netvsc_linkstatus_callback(struct hv_device *device_obj,
184 struct rndis_message *resp);
185 int netvsc_recv_callback(struct hv_device *device_obj,
186 struct hv_netvsc_packet *packet,
188 struct ndis_tcp_ip_checksum_info *csum_info,
189 struct vmbus_channel *channel,
191 void netvsc_channel_cb(void *context);
192 int rndis_filter_open(struct hv_device *dev);
193 int rndis_filter_close(struct hv_device *dev);
194 int rndis_filter_device_add(struct hv_device *dev,
195 void *additional_info);
196 void rndis_filter_device_remove(struct hv_device *dev);
197 int rndis_filter_receive(struct hv_device *dev,
198 struct hv_netvsc_packet *pkt,
200 struct vmbus_channel *channel);
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);
205 #define NVSP_INVALID_PROTOCOL_VERSION ((u32)0xFFFFFFFF)
207 #define NVSP_PROTOCOL_VERSION_1 2
208 #define NVSP_PROTOCOL_VERSION_2 0x30002
209 #define NVSP_PROTOCOL_VERSION_4 0x40000
210 #define NVSP_PROTOCOL_VERSION_5 0x50000
213 NVSP_MSG_TYPE_NONE = 0,
216 NVSP_MSG_TYPE_INIT = 1,
217 NVSP_MSG_TYPE_INIT_COMPLETE = 2,
219 NVSP_VERSION_MSG_START = 100,
221 /* Version 1 Messages */
222 NVSP_MSG1_TYPE_SEND_NDIS_VER = NVSP_VERSION_MSG_START,
224 NVSP_MSG1_TYPE_SEND_RECV_BUF,
225 NVSP_MSG1_TYPE_SEND_RECV_BUF_COMPLETE,
226 NVSP_MSG1_TYPE_REVOKE_RECV_BUF,
228 NVSP_MSG1_TYPE_SEND_SEND_BUF,
229 NVSP_MSG1_TYPE_SEND_SEND_BUF_COMPLETE,
230 NVSP_MSG1_TYPE_REVOKE_SEND_BUF,
232 NVSP_MSG1_TYPE_SEND_RNDIS_PKT,
233 NVSP_MSG1_TYPE_SEND_RNDIS_PKT_COMPLETE,
235 /* Version 2 messages */
236 NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF,
237 NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF_COMP,
238 NVSP_MSG2_TYPE_REVOKE_CHIMNEY_DELEGATED_BUF,
240 NVSP_MSG2_TYPE_RESUME_CHIMNEY_RX_INDICATION,
242 NVSP_MSG2_TYPE_TERMINATE_CHIMNEY,
243 NVSP_MSG2_TYPE_TERMINATE_CHIMNEY_COMP,
245 NVSP_MSG2_TYPE_INDICATE_CHIMNEY_EVENT,
247 NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT,
248 NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT_COMP,
250 NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ,
251 NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ_COMP,
253 NVSP_MSG2_TYPE_ALLOC_RXBUF,
254 NVSP_MSG2_TYPE_ALLOC_RXBUF_COMP,
256 NVSP_MSG2_TYPE_FREE_RXBUF,
258 NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT,
259 NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT_COMP,
261 NVSP_MSG2_TYPE_SEND_NDIS_CONFIG,
263 NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE,
264 NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP,
266 NVSP_MSG2_MAX = NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP,
268 /* Version 4 messages */
269 NVSP_MSG4_TYPE_SEND_VF_ASSOCIATION,
270 NVSP_MSG4_TYPE_SWITCH_DATA_PATH,
271 NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED,
273 NVSP_MSG4_MAX = NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED,
275 /* Version 5 messages */
276 NVSP_MSG5_TYPE_OID_QUERY_EX,
277 NVSP_MSG5_TYPE_OID_QUERY_EX_COMP,
278 NVSP_MSG5_TYPE_SUBCHANNEL,
279 NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE,
281 NVSP_MSG5_MAX = NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE,
288 NVSP_STAT_PROTOCOL_TOO_NEW,
289 NVSP_STAT_PROTOCOL_TOO_OLD,
290 NVSP_STAT_INVALID_RNDIS_PKT,
292 NVSP_STAT_PROTOCOL_UNSUPPORTED,
296 struct nvsp_message_header {
303 * This message is used by the VSC to initialize the channel after the channels
304 * has been opened. This message should never include anything other then
305 * versioning (i.e. this message will be the same for ever).
307 struct nvsp_message_init {
308 u32 min_protocol_ver;
309 u32 max_protocol_ver;
313 * This message is used by the VSP to complete the initialization of the
314 * channel. This message should never include anything other then versioning
315 * (i.e. this message will be the same for ever).
317 struct nvsp_message_init_complete {
318 u32 negotiated_protocol_ver;
319 u32 max_mdl_chain_len;
323 union nvsp_message_init_uber {
324 struct nvsp_message_init init;
325 struct nvsp_message_init_complete init_complete;
328 /* Version 1 Messages */
331 * This message is used by the VSC to send the NDIS version to the VSP. The VSP
332 * can use this information when handling OIDs sent by the VSC.
334 struct nvsp_1_message_send_ndis_version {
340 * This message is used by the VSC to send a receive buffer to the VSP. The VSP
341 * can then use the receive buffer to send data to the VSC.
343 struct nvsp_1_message_send_receive_buffer {
348 struct nvsp_1_receive_buffer_section {
356 * This message is used by the VSP to acknowledge a receive buffer send by the
357 * VSC. This message must be sent by the VSP before the VSP uses the receive
360 struct nvsp_1_message_send_receive_buffer_complete {
365 * The receive buffer is split into two parts, a large suballocation
366 * section and a small suballocation section. These sections are then
367 * suballocated by a certain size.
371 * For example, the following break up of the receive buffer has 6
372 * large suballocations and 10 small suballocations.
376 * | Large Section | | Small Section |
377 * ------------------------------------------------------------
378 * | | | | | | | | | | | | | | | | | |
380 * LargeOffset SmallOffset
383 struct nvsp_1_receive_buffer_section sections[1];
387 * This message is sent by the VSC to revoke the receive buffer. After the VSP
388 * completes this transaction, the vsp should never use the receive buffer
391 struct nvsp_1_message_revoke_receive_buffer {
396 * This message is used by the VSC to send a send buffer to the VSP. The VSC
397 * can then use the send buffer to send data to the VSP.
399 struct nvsp_1_message_send_send_buffer {
405 * This message is used by the VSP to acknowledge a send buffer sent by the
406 * VSC. This message must be sent by the VSP before the VSP uses the sent
409 struct nvsp_1_message_send_send_buffer_complete {
413 * The VSC gets to choose the size of the send buffer and the VSP gets
414 * to choose the sections size of the buffer. This was done to enable
415 * dynamic reconfigurations when the cost of GPA-direct buffers
422 * This message is sent by the VSC to revoke the send buffer. After the VSP
423 * completes this transaction, the vsp should never use the send buffer again.
425 struct nvsp_1_message_revoke_send_buffer {
430 * This message is used by both the VSP and the VSC to send a RNDIS message to
431 * the opposite channel endpoint.
433 struct nvsp_1_message_send_rndis_packet {
435 * This field is specified by RNIDS. They assume there's two different
436 * channels of communication. However, the Network VSP only has one.
437 * Therefore, the channel travels with the RNDIS packet.
442 * This field is used to send part or all of the data through a send
443 * buffer. This values specifies an index into the send buffer. If the
444 * index is 0xFFFFFFFF, then the send buffer is not being used and all
445 * of the data was sent through other VMBus mechanisms.
447 u32 send_buf_section_index;
448 u32 send_buf_section_size;
452 * This message is used by both the VSP and the VSC to complete a RNDIS message
453 * to the opposite channel endpoint. At this point, the initiator of this
454 * message cannot use any resources associated with the original RNDIS packet.
456 struct nvsp_1_message_send_rndis_packet_complete {
460 union nvsp_1_message_uber {
461 struct nvsp_1_message_send_ndis_version send_ndis_ver;
463 struct nvsp_1_message_send_receive_buffer send_recv_buf;
464 struct nvsp_1_message_send_receive_buffer_complete
465 send_recv_buf_complete;
466 struct nvsp_1_message_revoke_receive_buffer revoke_recv_buf;
468 struct nvsp_1_message_send_send_buffer send_send_buf;
469 struct nvsp_1_message_send_send_buffer_complete send_send_buf_complete;
470 struct nvsp_1_message_revoke_send_buffer revoke_send_buf;
472 struct nvsp_1_message_send_rndis_packet send_rndis_pkt;
473 struct nvsp_1_message_send_rndis_packet_complete
474 send_rndis_pkt_complete;
479 * Network VSP protocol version 2 messages:
481 struct nvsp_2_vsc_capability {
489 u64 correlation_id:1;
494 struct nvsp_2_send_ndis_config {
497 struct nvsp_2_vsc_capability capability;
500 /* Allocate receive buffer */
501 struct nvsp_2_alloc_rxbuf {
502 /* Allocation ID to match the allocation request and response */
505 /* Length of the VM shared memory receive buffer that needs to
511 /* Allocate receive buffer complete */
512 struct nvsp_2_alloc_rxbuf_comp {
513 /* The NDIS_STATUS code for buffer allocation */
518 /* GPADL handle for the allocated receive buffer */
521 /* Receive buffer ID */
525 struct nvsp_2_free_rxbuf {
529 union nvsp_2_message_uber {
530 struct nvsp_2_send_ndis_config send_ndis_config;
531 struct nvsp_2_alloc_rxbuf alloc_rxbuf;
532 struct nvsp_2_alloc_rxbuf_comp alloc_rxbuf_comp;
533 struct nvsp_2_free_rxbuf free_rxbuf;
536 struct nvsp_4_send_vf_association {
537 /* 1: allocated, serial number is valid. 0: not allocated */
540 /* Serial number of the VF to team with */
544 enum nvsp_vm_datapath {
545 NVSP_DATAPATH_SYNTHETIC = 0,
550 struct nvsp_4_sw_datapath {
551 u32 active_datapath; /* active data path in VM */
554 union nvsp_4_message_uber {
555 struct nvsp_4_send_vf_association vf_assoc;
556 struct nvsp_4_sw_datapath active_dp;
559 enum nvsp_subchannel_operation {
560 NVSP_SUBCHANNEL_NONE = 0,
561 NVSP_SUBCHANNEL_ALLOCATE,
565 struct nvsp_5_subchannel_request {
570 struct nvsp_5_subchannel_complete {
572 u32 num_subchannels; /* Actual number of subchannels allocated */
575 struct nvsp_5_send_indirect_table {
576 /* The number of entries in the send indirection table */
579 /* The offset of the send indireciton table from top of this struct.
580 * The send indirection table tells which channel to put the send
581 * traffic on. Each entry is a channel number.
586 union nvsp_5_message_uber {
587 struct nvsp_5_subchannel_request subchn_req;
588 struct nvsp_5_subchannel_complete subchn_comp;
589 struct nvsp_5_send_indirect_table send_table;
592 union nvsp_all_messages {
593 union nvsp_message_init_uber init_msg;
594 union nvsp_1_message_uber v1_msg;
595 union nvsp_2_message_uber v2_msg;
596 union nvsp_4_message_uber v4_msg;
597 union nvsp_5_message_uber v5_msg;
601 struct nvsp_message {
602 struct nvsp_message_header hdr;
603 union nvsp_all_messages msg;
607 #define NETVSC_MTU 65536
608 #define NETVSC_MTU_MIN 68
610 #define NETVSC_RECEIVE_BUFFER_SIZE (1024*1024*16) /* 16MB */
611 #define NETVSC_RECEIVE_BUFFER_SIZE_LEGACY (1024*1024*15) /* 15MB */
612 #define NETVSC_SEND_BUFFER_SIZE (1024 * 1024 * 15) /* 15MB */
613 #define NETVSC_INVALID_INDEX -1
616 #define NETVSC_RECEIVE_BUFFER_ID 0xcafe
617 #define NETVSC_SEND_BUFFER_ID 0
619 #define NETVSC_PACKET_SIZE 4096
621 #define VRSS_SEND_TAB_SIZE 16
623 #define RNDIS_MAX_PKT_DEFAULT 8
624 #define RNDIS_PKT_ALIGN_DEFAULT 8
626 struct multi_send_data {
627 struct sk_buff *skb; /* skb containing the pkt */
628 struct hv_netvsc_packet *pkt; /* netvsc pkt pending */
629 u32 count; /* counter of batched packets */
632 struct netvsc_stats {
635 struct u64_stats_sync syncp;
638 struct netvsc_reconfig {
639 struct list_head list;
643 /* The context of the netvsc device */
644 struct net_device_context {
645 /* point back to our device context */
646 struct hv_device *device_ctx;
647 /* reconfigure work */
648 struct delayed_work dwork;
649 /* last reconfig time */
650 unsigned long last_reconfig;
651 /* reconfig events */
652 struct list_head reconfig_events;
653 /* list protection */
656 struct work_struct work;
657 u32 msg_enable; /* debug level */
659 struct netvsc_stats __percpu *tx_stats;
660 struct netvsc_stats __percpu *rx_stats;
662 /* Ethtool settings */
667 /* Per netvsc device */
668 struct netvsc_device {
669 struct hv_device *dev;
673 atomic_t num_outstanding_sends;
674 wait_queue_head_t wait_drain;
678 /* Receive buffer allocated by us but manages by NetVSP */
681 u32 recv_buf_gpadl_handle;
682 u32 recv_section_cnt;
683 struct nvsp_1_receive_buffer_section *recv_section;
685 /* Send buffer allocated by us */
688 u32 send_buf_gpadl_handle;
689 u32 send_section_cnt;
690 u32 send_section_size;
691 unsigned long *send_section_map;
694 /* Used for NetVSP initialization protocol */
695 struct completion channel_init_wait;
696 struct nvsp_message channel_init_pkt;
698 struct nvsp_message revoke_packet;
699 /* unsigned char HwMacAddr[HW_MACADDR_LEN]; */
701 struct net_device *ndev;
703 struct vmbus_channel *chn_table[NR_CPUS];
704 u32 send_table[VRSS_SEND_TAB_SIZE];
707 spinlock_t sc_lock; /* Protects num_sc_offered variable */
709 atomic_t queue_sends[NR_CPUS];
711 /* Holds rndis device info */
716 /* The primary channel callback buffer */
717 unsigned char *cb_buffer;
718 /* The sub channel callback buffer */
719 unsigned char *sub_cb_buf;
721 struct multi_send_data msd[NR_CPUS];
722 u32 max_pkt; /* max number of pkt in one send, e.g. 8 */
723 u32 pkt_align; /* alignment bytes, e.g. 8 */
725 /* The net device context */
726 struct net_device_context *nd_ctx;
728 /* 1: allocated, serial number is valid. 0: not allocated */
730 /* Serial number of the VF to team with */
734 /* NdisInitialize message */
735 struct rndis_initialize_request {
742 /* Response to NdisInitialize */
743 struct rndis_initialize_complete {
752 u32 pkt_alignment_factor;
757 /* Call manager devices only: Information about an address family */
758 /* supported by the device is appended to the response to NdisInitialize. */
759 struct rndis_co_address_family {
765 /* NdisHalt message */
766 struct rndis_halt_request {
770 /* NdisQueryRequest message */
771 struct rndis_query_request {
779 /* Response to NdisQueryRequest */
780 struct rndis_query_complete {
787 /* NdisSetRequest message */
788 struct rndis_set_request {
796 /* Response to NdisSetRequest */
797 struct rndis_set_complete {
802 /* NdisReset message */
803 struct rndis_reset_request {
807 /* Response to NdisReset */
808 struct rndis_reset_complete {
810 u32 addressing_reset;
813 /* NdisMIndicateStatus message */
814 struct rndis_indicate_status {
817 u32 status_buf_offset;
820 /* Diagnostic information passed as the status buffer in */
821 /* struct rndis_indicate_status messages signifying error conditions. */
822 struct rndis_diagnostic_info {
827 /* NdisKeepAlive message */
828 struct rndis_keepalive_request {
832 /* Response to NdisKeepAlive */
833 struct rndis_keepalive_complete {
839 * Data message. All Offset fields contain byte offsets from the beginning of
840 * struct rndis_packet. All Length fields are in bytes. VcHandle is set
841 * to 0 for connectionless data, otherwise it contains the VC handle.
843 struct rndis_packet {
848 u32 num_oob_data_elements;
849 u32 per_pkt_info_offset;
850 u32 per_pkt_info_len;
855 /* Optional Out of Band data associated with a Data message. */
859 u32 class_info_offset;
862 /* Packet extension field contents associated with a Data message. */
863 struct rndis_per_packet_info {
869 enum ndis_per_pkt_info_type {
870 TCPIP_CHKSUM_PKTINFO,
872 TCP_LARGESEND_PKTINFO,
873 CLASSIFICATION_HANDLE_PKTINFO,
879 NBL_HASH_VALUE = PACKET_CANCEL_ID,
880 ORIGINAL_NET_BUFLIST,
886 struct ndis_pkt_8021q_info {
889 u32 pri:3; /* User Priority */
890 u32 cfi:1; /* Canonical Format ID */
891 u32 vlanid:12; /* VLAN ID */
898 struct ndis_oject_header {
904 #define NDIS_OBJECT_TYPE_DEFAULT 0x80
905 #define NDIS_OFFLOAD_PARAMETERS_REVISION_3 3
906 #define NDIS_OFFLOAD_PARAMETERS_NO_CHANGE 0
907 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_DISABLED 1
908 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_ENABLED 2
909 #define NDIS_OFFLOAD_PARAMETERS_LSOV1_ENABLED 2
910 #define NDIS_OFFLOAD_PARAMETERS_RSC_DISABLED 1
911 #define NDIS_OFFLOAD_PARAMETERS_RSC_ENABLED 2
912 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_DISABLED 1
913 #define NDIS_OFFLOAD_PARAMETERS_TX_ENABLED_RX_DISABLED 2
914 #define NDIS_OFFLOAD_PARAMETERS_RX_ENABLED_TX_DISABLED 3
915 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_ENABLED 4
917 #define NDIS_TCP_LARGE_SEND_OFFLOAD_V2_TYPE 1
918 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV4 0
919 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV6 1
921 #define VERSION_4_OFFLOAD_SIZE 22
923 * New offload OIDs for NDIS 6
925 #define OID_TCP_OFFLOAD_CURRENT_CONFIG 0xFC01020B /* query only */
926 #define OID_TCP_OFFLOAD_PARAMETERS 0xFC01020C /* set only */
927 #define OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020D/* query only */
928 #define OID_TCP_CONNECTION_OFFLOAD_CURRENT_CONFIG 0xFC01020E /* query only */
929 #define OID_TCP_CONNECTION_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020F /* query */
930 #define OID_OFFLOAD_ENCAPSULATION 0x0101010A /* set/query */
932 struct ndis_offload_params {
933 struct ndis_oject_header header;
943 u8 tcp_connection_ip_v4;
944 u8 tcp_connection_ip_v6;
953 u8 encapsulated_packet_task_offload;
954 u8 encapsulation_types;
958 struct ndis_tcp_ip_checksum_info {
965 u32 ip_header_checksum:1;
967 u32 tcp_header_offset:10;
970 u32 tcp_checksum_failed:1;
971 u32 udp_checksum_failed:1;
972 u32 ip_checksum_failed:1;
973 u32 tcp_checksum_succeeded:1;
974 u32 udp_checksum_succeeded:1;
975 u32 ip_checksum_succeeded:1;
977 u32 tcp_checksum_value_invalid:1;
978 u32 ip_checksum_value_invalid:1;
984 struct ndis_tcp_lso_info {
993 u32 tcp_header_offset:10;
1001 } lso_v1_transmit_complete;
1004 u32 tcp_header_offset:10;
1012 } lso_v2_transmit_complete;
1017 #define NDIS_VLAN_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1018 sizeof(struct ndis_pkt_8021q_info))
1020 #define NDIS_CSUM_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1021 sizeof(struct ndis_tcp_ip_checksum_info))
1023 #define NDIS_LSO_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1024 sizeof(struct ndis_tcp_lso_info))
1026 #define NDIS_HASH_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1029 /* Total size of all PPI data */
1030 #define NDIS_ALL_PPI_SIZE (NDIS_VLAN_PPI_SIZE + NDIS_CSUM_PPI_SIZE + \
1031 NDIS_LSO_PPI_SIZE + NDIS_HASH_PPI_SIZE)
1033 /* Format of Information buffer passed in a SetRequest for the OID */
1034 /* OID_GEN_RNDIS_CONFIG_PARAMETER. */
1035 struct rndis_config_parameter_info {
1036 u32 parameter_name_offset;
1037 u32 parameter_name_length;
1039 u32 parameter_value_offset;
1040 u32 parameter_value_length;
1043 /* Values for ParameterType in struct rndis_config_parameter_info */
1044 #define RNDIS_CONFIG_PARAM_TYPE_INTEGER 0
1045 #define RNDIS_CONFIG_PARAM_TYPE_STRING 2
1047 /* CONDIS Miniport messages for connection oriented devices */
1048 /* that do not implement a call manager. */
1050 /* CoNdisMiniportCreateVc message */
1051 struct rcondis_mp_create_vc {
1056 /* Response to CoNdisMiniportCreateVc */
1057 struct rcondis_mp_create_vc_complete {
1063 /* CoNdisMiniportDeleteVc message */
1064 struct rcondis_mp_delete_vc {
1069 /* Response to CoNdisMiniportDeleteVc */
1070 struct rcondis_mp_delete_vc_complete {
1075 /* CoNdisMiniportQueryRequest message */
1076 struct rcondis_mp_query_request {
1082 u32 info_buf_offset;
1085 /* CoNdisMiniportSetRequest message */
1086 struct rcondis_mp_set_request {
1092 u32 info_buf_offset;
1095 /* CoNdisIndicateStatus message */
1096 struct rcondis_indicate_status {
1100 u32 status_buf_offset;
1103 /* CONDIS Call/VC parameters */
1104 struct rcondis_specific_parameters {
1106 u32 parameter_length;
1107 u32 parameter_lffset;
1110 struct rcondis_media_parameters {
1114 struct rcondis_specific_parameters media_specific;
1117 struct rndis_flowspec {
1119 u32 token_bucket_size;
1122 u32 delay_variation;
1125 u32 minimum_policed_size;
1128 struct rcondis_call_manager_parameters {
1129 struct rndis_flowspec transmit;
1130 struct rndis_flowspec receive;
1131 struct rcondis_specific_parameters call_mgr_specific;
1134 /* CoNdisMiniportActivateVc message */
1135 struct rcondis_mp_activate_vc_request {
1139 u32 media_params_offset;
1140 u32 media_params_length;
1141 u32 call_mgr_params_offset;
1142 u32 call_mgr_params_length;
1145 /* Response to CoNdisMiniportActivateVc */
1146 struct rcondis_mp_activate_vc_complete {
1151 /* CoNdisMiniportDeactivateVc message */
1152 struct rcondis_mp_deactivate_vc_request {
1158 /* Response to CoNdisMiniportDeactivateVc */
1159 struct rcondis_mp_deactivate_vc_complete {
1165 /* union with all of the RNDIS messages */
1166 union rndis_message_container {
1167 struct rndis_packet pkt;
1168 struct rndis_initialize_request init_req;
1169 struct rndis_halt_request halt_req;
1170 struct rndis_query_request query_req;
1171 struct rndis_set_request set_req;
1172 struct rndis_reset_request reset_req;
1173 struct rndis_keepalive_request keep_alive_req;
1174 struct rndis_indicate_status indicate_status;
1175 struct rndis_initialize_complete init_complete;
1176 struct rndis_query_complete query_complete;
1177 struct rndis_set_complete set_complete;
1178 struct rndis_reset_complete reset_complete;
1179 struct rndis_keepalive_complete keep_alive_complete;
1180 struct rcondis_mp_create_vc co_miniport_create_vc;
1181 struct rcondis_mp_delete_vc co_miniport_delete_vc;
1182 struct rcondis_indicate_status co_indicate_status;
1183 struct rcondis_mp_activate_vc_request co_miniport_activate_vc;
1184 struct rcondis_mp_deactivate_vc_request co_miniport_deactivate_vc;
1185 struct rcondis_mp_create_vc_complete co_miniport_create_vc_complete;
1186 struct rcondis_mp_delete_vc_complete co_miniport_delete_vc_complete;
1187 struct rcondis_mp_activate_vc_complete co_miniport_activate_vc_complete;
1188 struct rcondis_mp_deactivate_vc_complete
1189 co_miniport_deactivate_vc_complete;
1192 /* Remote NDIS message format */
1193 struct rndis_message {
1196 /* Total length of this message, from the beginning */
1197 /* of the sruct rndis_message, in bytes. */
1200 /* Actual message */
1201 union rndis_message_container msg;
1207 /* get the size of an RNDIS message. Pass in the message type, */
1208 /* struct rndis_set_request, struct rndis_packet for example */
1209 #define RNDIS_MESSAGE_SIZE(msg) \
1210 (sizeof(msg) + (sizeof(struct rndis_message) - \
1211 sizeof(union rndis_message_container)))
1213 /* get pointer to info buffer with message pointer */
1214 #define MESSAGE_TO_INFO_BUFFER(msg) \
1215 (((unsigned char *)(msg)) + msg->info_buf_offset)
1217 /* get pointer to status buffer with message pointer */
1218 #define MESSAGE_TO_STATUS_BUFFER(msg) \
1219 (((unsigned char *)(msg)) + msg->status_buf_offset)
1221 /* get pointer to OOBD buffer with message pointer */
1222 #define MESSAGE_TO_OOBD_BUFFER(msg) \
1223 (((unsigned char *)(msg)) + msg->oob_data_offset)
1225 /* get pointer to data buffer with message pointer */
1226 #define MESSAGE_TO_DATA_BUFFER(msg) \
1227 (((unsigned char *)(msg)) + msg->per_pkt_info_offset)
1229 /* get pointer to contained message from NDIS_MESSAGE pointer */
1230 #define RNDIS_MESSAGE_PTR_TO_MESSAGE_PTR(rndis_msg) \
1231 ((void *) &rndis_msg->msg)
1233 /* get pointer to contained message from NDIS_MESSAGE pointer */
1234 #define RNDIS_MESSAGE_RAW_PTR_TO_MESSAGE_PTR(rndis_msg) \
1235 ((void *) rndis_msg)
1238 #define __struct_bcount(x)
1242 #define RNDIS_HEADER_SIZE (sizeof(struct rndis_message) - \
1243 sizeof(union rndis_message_container))
1245 #define RNDIS_AND_PPI_SIZE (sizeof(struct rndis_message) + NDIS_ALL_PPI_SIZE)
1247 #define NDIS_PACKET_TYPE_DIRECTED 0x00000001
1248 #define NDIS_PACKET_TYPE_MULTICAST 0x00000002
1249 #define NDIS_PACKET_TYPE_ALL_MULTICAST 0x00000004
1250 #define NDIS_PACKET_TYPE_BROADCAST 0x00000008
1251 #define NDIS_PACKET_TYPE_SOURCE_ROUTING 0x00000010
1252 #define NDIS_PACKET_TYPE_PROMISCUOUS 0x00000020
1253 #define NDIS_PACKET_TYPE_SMT 0x00000040
1254 #define NDIS_PACKET_TYPE_ALL_LOCAL 0x00000080
1255 #define NDIS_PACKET_TYPE_GROUP 0x00000100
1256 #define NDIS_PACKET_TYPE_ALL_FUNCTIONAL 0x00000200
1257 #define NDIS_PACKET_TYPE_FUNCTIONAL 0x00000400
1258 #define NDIS_PACKET_TYPE_MAC_FRAME 0x00000800
1265 #define TRANSPORT_INFO_NOT_IP 0
1266 #define TRANSPORT_INFO_IPV4_TCP ((INFO_IPV4 << 16) | INFO_TCP)
1267 #define TRANSPORT_INFO_IPV4_UDP ((INFO_IPV4 << 16) | INFO_UDP)
1268 #define TRANSPORT_INFO_IPV6_TCP ((INFO_IPV6 << 16) | INFO_TCP)
1269 #define TRANSPORT_INFO_IPV6_UDP ((INFO_IPV6 << 16) | INFO_UDP)
1271 #endif /* _HYPERV_NET_H */