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 */
135 u8 xmit_more; /* from skb */
136 u8 cp_partial; /* partial copy into send buffer */
138 u8 rmsg_size; /* RNDIS header and PPI size */
139 u8 rmsg_pgcnt; /* page count of RNDIS header and PPI */
147 u32 total_data_buflen;
151 u64 send_completion_tid;
152 struct hv_page_buffer *page_buf;
155 struct netvsc_device_info {
156 unsigned char mac_adr[ETH_ALEN];
157 bool link_state; /* 0 - link up, 1 - link down */
159 u32 max_num_vrss_chns;
163 enum rndis_device_state {
164 RNDIS_DEV_UNINITIALIZED = 0,
165 RNDIS_DEV_INITIALIZING,
166 RNDIS_DEV_INITIALIZED,
167 RNDIS_DEV_DATAINITIALIZED,
170 struct rndis_device {
171 struct netvsc_device *net_dev;
173 enum rndis_device_state state;
177 spinlock_t request_lock;
178 struct list_head req_list;
180 unsigned char hw_mac_adr[ETH_ALEN];
185 struct rndis_message;
186 int netvsc_device_add(struct hv_device *device, void *additional_info);
187 int netvsc_device_remove(struct hv_device *device);
188 int netvsc_send(struct hv_device *device,
189 struct hv_netvsc_packet *packet,
190 struct rndis_message *rndis_msg);
191 void netvsc_linkstatus_callback(struct hv_device *device_obj,
192 struct rndis_message *resp);
193 void netvsc_xmit_completion(void *context);
194 int netvsc_recv_callback(struct hv_device *device_obj,
195 struct hv_netvsc_packet *packet,
197 struct ndis_tcp_ip_checksum_info *csum_info,
198 struct vmbus_channel *channel);
199 void netvsc_channel_cb(void *context);
200 int rndis_filter_open(struct hv_device *dev);
201 int rndis_filter_close(struct hv_device *dev);
202 int rndis_filter_device_add(struct hv_device *dev,
203 void *additional_info);
204 void rndis_filter_device_remove(struct hv_device *dev);
205 int rndis_filter_receive(struct hv_device *dev,
206 struct hv_netvsc_packet *pkt,
208 struct vmbus_channel *channel);
210 int rndis_filter_set_packet_filter(struct rndis_device *dev, u32 new_filter);
211 int rndis_filter_set_device_mac(struct hv_device *hdev, char *mac);
213 #define NVSP_INVALID_PROTOCOL_VERSION ((u32)0xFFFFFFFF)
215 #define NVSP_PROTOCOL_VERSION_1 2
216 #define NVSP_PROTOCOL_VERSION_2 0x30002
217 #define NVSP_PROTOCOL_VERSION_4 0x40000
218 #define NVSP_PROTOCOL_VERSION_5 0x50000
221 NVSP_MSG_TYPE_NONE = 0,
224 NVSP_MSG_TYPE_INIT = 1,
225 NVSP_MSG_TYPE_INIT_COMPLETE = 2,
227 NVSP_VERSION_MSG_START = 100,
229 /* Version 1 Messages */
230 NVSP_MSG1_TYPE_SEND_NDIS_VER = NVSP_VERSION_MSG_START,
232 NVSP_MSG1_TYPE_SEND_RECV_BUF,
233 NVSP_MSG1_TYPE_SEND_RECV_BUF_COMPLETE,
234 NVSP_MSG1_TYPE_REVOKE_RECV_BUF,
236 NVSP_MSG1_TYPE_SEND_SEND_BUF,
237 NVSP_MSG1_TYPE_SEND_SEND_BUF_COMPLETE,
238 NVSP_MSG1_TYPE_REVOKE_SEND_BUF,
240 NVSP_MSG1_TYPE_SEND_RNDIS_PKT,
241 NVSP_MSG1_TYPE_SEND_RNDIS_PKT_COMPLETE,
243 /* Version 2 messages */
244 NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF,
245 NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF_COMP,
246 NVSP_MSG2_TYPE_REVOKE_CHIMNEY_DELEGATED_BUF,
248 NVSP_MSG2_TYPE_RESUME_CHIMNEY_RX_INDICATION,
250 NVSP_MSG2_TYPE_TERMINATE_CHIMNEY,
251 NVSP_MSG2_TYPE_TERMINATE_CHIMNEY_COMP,
253 NVSP_MSG2_TYPE_INDICATE_CHIMNEY_EVENT,
255 NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT,
256 NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT_COMP,
258 NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ,
259 NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ_COMP,
261 NVSP_MSG2_TYPE_ALLOC_RXBUF,
262 NVSP_MSG2_TYPE_ALLOC_RXBUF_COMP,
264 NVSP_MSG2_TYPE_FREE_RXBUF,
266 NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT,
267 NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT_COMP,
269 NVSP_MSG2_TYPE_SEND_NDIS_CONFIG,
271 NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE,
272 NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP,
274 NVSP_MSG2_MAX = NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP,
276 /* Version 4 messages */
277 NVSP_MSG4_TYPE_SEND_VF_ASSOCIATION,
278 NVSP_MSG4_TYPE_SWITCH_DATA_PATH,
279 NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED,
281 NVSP_MSG4_MAX = NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED,
283 /* Version 5 messages */
284 NVSP_MSG5_TYPE_OID_QUERY_EX,
285 NVSP_MSG5_TYPE_OID_QUERY_EX_COMP,
286 NVSP_MSG5_TYPE_SUBCHANNEL,
287 NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE,
289 NVSP_MSG5_MAX = NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE,
296 NVSP_STAT_PROTOCOL_TOO_NEW,
297 NVSP_STAT_PROTOCOL_TOO_OLD,
298 NVSP_STAT_INVALID_RNDIS_PKT,
300 NVSP_STAT_PROTOCOL_UNSUPPORTED,
304 struct nvsp_message_header {
311 * This message is used by the VSC to initialize the channel after the channels
312 * has been opened. This message should never include anything other then
313 * versioning (i.e. this message will be the same for ever).
315 struct nvsp_message_init {
316 u32 min_protocol_ver;
317 u32 max_protocol_ver;
321 * This message is used by the VSP to complete the initialization of the
322 * channel. This message should never include anything other then versioning
323 * (i.e. this message will be the same for ever).
325 struct nvsp_message_init_complete {
326 u32 negotiated_protocol_ver;
327 u32 max_mdl_chain_len;
331 union nvsp_message_init_uber {
332 struct nvsp_message_init init;
333 struct nvsp_message_init_complete init_complete;
336 /* Version 1 Messages */
339 * This message is used by the VSC to send the NDIS version to the VSP. The VSP
340 * can use this information when handling OIDs sent by the VSC.
342 struct nvsp_1_message_send_ndis_version {
348 * This message is used by the VSC to send a receive buffer to the VSP. The VSP
349 * can then use the receive buffer to send data to the VSC.
351 struct nvsp_1_message_send_receive_buffer {
356 struct nvsp_1_receive_buffer_section {
364 * This message is used by the VSP to acknowledge a receive buffer send by the
365 * VSC. This message must be sent by the VSP before the VSP uses the receive
368 struct nvsp_1_message_send_receive_buffer_complete {
373 * The receive buffer is split into two parts, a large suballocation
374 * section and a small suballocation section. These sections are then
375 * suballocated by a certain size.
379 * For example, the following break up of the receive buffer has 6
380 * large suballocations and 10 small suballocations.
384 * | Large Section | | Small Section |
385 * ------------------------------------------------------------
386 * | | | | | | | | | | | | | | | | | |
388 * LargeOffset SmallOffset
391 struct nvsp_1_receive_buffer_section sections[1];
395 * This message is sent by the VSC to revoke the receive buffer. After the VSP
396 * completes this transaction, the vsp should never use the receive buffer
399 struct nvsp_1_message_revoke_receive_buffer {
404 * This message is used by the VSC to send a send buffer to the VSP. The VSC
405 * can then use the send buffer to send data to the VSP.
407 struct nvsp_1_message_send_send_buffer {
413 * This message is used by the VSP to acknowledge a send buffer sent by the
414 * VSC. This message must be sent by the VSP before the VSP uses the sent
417 struct nvsp_1_message_send_send_buffer_complete {
421 * The VSC gets to choose the size of the send buffer and the VSP gets
422 * to choose the sections size of the buffer. This was done to enable
423 * dynamic reconfigurations when the cost of GPA-direct buffers
430 * This message is sent by the VSC to revoke the send buffer. After the VSP
431 * completes this transaction, the vsp should never use the send buffer again.
433 struct nvsp_1_message_revoke_send_buffer {
438 * This message is used by both the VSP and the VSC to send a RNDIS message to
439 * the opposite channel endpoint.
441 struct nvsp_1_message_send_rndis_packet {
443 * This field is specified by RNIDS. They assume there's two different
444 * channels of communication. However, the Network VSP only has one.
445 * Therefore, the channel travels with the RNDIS packet.
450 * This field is used to send part or all of the data through a send
451 * buffer. This values specifies an index into the send buffer. If the
452 * index is 0xFFFFFFFF, then the send buffer is not being used and all
453 * of the data was sent through other VMBus mechanisms.
455 u32 send_buf_section_index;
456 u32 send_buf_section_size;
460 * This message is used by both the VSP and the VSC to complete a RNDIS message
461 * to the opposite channel endpoint. At this point, the initiator of this
462 * message cannot use any resources associated with the original RNDIS packet.
464 struct nvsp_1_message_send_rndis_packet_complete {
468 union nvsp_1_message_uber {
469 struct nvsp_1_message_send_ndis_version send_ndis_ver;
471 struct nvsp_1_message_send_receive_buffer send_recv_buf;
472 struct nvsp_1_message_send_receive_buffer_complete
473 send_recv_buf_complete;
474 struct nvsp_1_message_revoke_receive_buffer revoke_recv_buf;
476 struct nvsp_1_message_send_send_buffer send_send_buf;
477 struct nvsp_1_message_send_send_buffer_complete send_send_buf_complete;
478 struct nvsp_1_message_revoke_send_buffer revoke_send_buf;
480 struct nvsp_1_message_send_rndis_packet send_rndis_pkt;
481 struct nvsp_1_message_send_rndis_packet_complete
482 send_rndis_pkt_complete;
487 * Network VSP protocol version 2 messages:
489 struct nvsp_2_vsc_capability {
497 u64 correlation_id:1;
502 struct nvsp_2_send_ndis_config {
505 struct nvsp_2_vsc_capability capability;
508 /* Allocate receive buffer */
509 struct nvsp_2_alloc_rxbuf {
510 /* Allocation ID to match the allocation request and response */
513 /* Length of the VM shared memory receive buffer that needs to
519 /* Allocate receive buffer complete */
520 struct nvsp_2_alloc_rxbuf_comp {
521 /* The NDIS_STATUS code for buffer allocation */
526 /* GPADL handle for the allocated receive buffer */
529 /* Receive buffer ID */
533 struct nvsp_2_free_rxbuf {
537 union nvsp_2_message_uber {
538 struct nvsp_2_send_ndis_config send_ndis_config;
539 struct nvsp_2_alloc_rxbuf alloc_rxbuf;
540 struct nvsp_2_alloc_rxbuf_comp alloc_rxbuf_comp;
541 struct nvsp_2_free_rxbuf free_rxbuf;
544 struct nvsp_4_send_vf_association {
545 /* 1: allocated, serial number is valid. 0: not allocated */
548 /* Serial number of the VF to team with */
552 enum nvsp_vm_datapath {
553 NVSP_DATAPATH_SYNTHETIC = 0,
558 struct nvsp_4_sw_datapath {
559 u32 active_datapath; /* active data path in VM */
562 union nvsp_4_message_uber {
563 struct nvsp_4_send_vf_association vf_assoc;
564 struct nvsp_4_sw_datapath active_dp;
567 enum nvsp_subchannel_operation {
568 NVSP_SUBCHANNEL_NONE = 0,
569 NVSP_SUBCHANNEL_ALLOCATE,
573 struct nvsp_5_subchannel_request {
578 struct nvsp_5_subchannel_complete {
580 u32 num_subchannels; /* Actual number of subchannels allocated */
583 struct nvsp_5_send_indirect_table {
584 /* The number of entries in the send indirection table */
587 /* The offset of the send indireciton table from top of this struct.
588 * The send indirection table tells which channel to put the send
589 * traffic on. Each entry is a channel number.
594 union nvsp_5_message_uber {
595 struct nvsp_5_subchannel_request subchn_req;
596 struct nvsp_5_subchannel_complete subchn_comp;
597 struct nvsp_5_send_indirect_table send_table;
600 union nvsp_all_messages {
601 union nvsp_message_init_uber init_msg;
602 union nvsp_1_message_uber v1_msg;
603 union nvsp_2_message_uber v2_msg;
604 union nvsp_4_message_uber v4_msg;
605 union nvsp_5_message_uber v5_msg;
609 struct nvsp_message {
610 struct nvsp_message_header hdr;
611 union nvsp_all_messages msg;
615 #define NETVSC_MTU 65536
616 #define NETVSC_MTU_MIN 68
618 #define NETVSC_RECEIVE_BUFFER_SIZE (1024*1024*16) /* 16MB */
619 #define NETVSC_RECEIVE_BUFFER_SIZE_LEGACY (1024*1024*15) /* 15MB */
620 #define NETVSC_SEND_BUFFER_SIZE (1024 * 1024 * 15) /* 15MB */
621 #define NETVSC_INVALID_INDEX -1
624 #define NETVSC_RECEIVE_BUFFER_ID 0xcafe
625 #define NETVSC_SEND_BUFFER_ID 0
627 #define NETVSC_PACKET_SIZE 4096
629 #define VRSS_SEND_TAB_SIZE 16
631 #define RNDIS_MAX_PKT_DEFAULT 8
632 #define RNDIS_PKT_ALIGN_DEFAULT 8
634 struct multi_send_data {
635 struct hv_netvsc_packet *pkt; /* netvsc pkt pending */
636 u32 count; /* counter of batched packets */
639 struct netvsc_stats {
642 struct u64_stats_sync syncp;
645 struct netvsc_reconfig {
646 struct list_head list;
650 /* The context of the netvsc device */
651 struct net_device_context {
652 /* point back to our device context */
653 struct hv_device *device_ctx;
654 /* reconfigure work */
655 struct delayed_work dwork;
656 /* last reconfig time */
657 unsigned long last_reconfig;
658 /* reconfig events */
659 struct list_head reconfig_events;
660 /* list protection */
663 struct work_struct work;
664 u32 msg_enable; /* debug level */
666 struct netvsc_stats __percpu *tx_stats;
667 struct netvsc_stats __percpu *rx_stats;
670 /* Per netvsc device */
671 struct netvsc_device {
672 struct hv_device *dev;
676 atomic_t num_outstanding_sends;
677 wait_queue_head_t wait_drain;
681 /* Receive buffer allocated by us but manages by NetVSP */
684 u32 recv_buf_gpadl_handle;
685 u32 recv_section_cnt;
686 struct nvsp_1_receive_buffer_section *recv_section;
688 /* Send buffer allocated by us */
691 u32 send_buf_gpadl_handle;
692 u32 send_section_cnt;
693 u32 send_section_size;
694 unsigned long *send_section_map;
697 /* Used for NetVSP initialization protocol */
698 struct completion channel_init_wait;
699 struct nvsp_message channel_init_pkt;
701 struct nvsp_message revoke_packet;
702 /* unsigned char HwMacAddr[HW_MACADDR_LEN]; */
704 struct net_device *ndev;
706 struct vmbus_channel *chn_table[NR_CPUS];
707 u32 send_table[VRSS_SEND_TAB_SIZE];
710 spinlock_t sc_lock; /* Protects num_sc_offered variable */
712 atomic_t queue_sends[NR_CPUS];
714 /* Holds rndis device info */
719 /* The primary channel callback buffer */
720 unsigned char *cb_buffer;
721 /* The sub channel callback buffer */
722 unsigned char *sub_cb_buf;
724 struct multi_send_data msd[NR_CPUS];
725 u32 max_pkt; /* max number of pkt in one send, e.g. 8 */
726 u32 pkt_align; /* alignment bytes, e.g. 8 */
728 /* The net device context */
729 struct net_device_context *nd_ctx;
731 /* 1: allocated, serial number is valid. 0: not allocated */
733 /* Serial number of the VF to team with */
737 /* NdisInitialize message */
738 struct rndis_initialize_request {
745 /* Response to NdisInitialize */
746 struct rndis_initialize_complete {
755 u32 pkt_alignment_factor;
760 /* Call manager devices only: Information about an address family */
761 /* supported by the device is appended to the response to NdisInitialize. */
762 struct rndis_co_address_family {
768 /* NdisHalt message */
769 struct rndis_halt_request {
773 /* NdisQueryRequest message */
774 struct rndis_query_request {
782 /* Response to NdisQueryRequest */
783 struct rndis_query_complete {
790 /* NdisSetRequest message */
791 struct rndis_set_request {
799 /* Response to NdisSetRequest */
800 struct rndis_set_complete {
805 /* NdisReset message */
806 struct rndis_reset_request {
810 /* Response to NdisReset */
811 struct rndis_reset_complete {
813 u32 addressing_reset;
816 /* NdisMIndicateStatus message */
817 struct rndis_indicate_status {
820 u32 status_buf_offset;
823 /* Diagnostic information passed as the status buffer in */
824 /* struct rndis_indicate_status messages signifying error conditions. */
825 struct rndis_diagnostic_info {
830 /* NdisKeepAlive message */
831 struct rndis_keepalive_request {
835 /* Response to NdisKeepAlive */
836 struct rndis_keepalive_complete {
842 * Data message. All Offset fields contain byte offsets from the beginning of
843 * struct rndis_packet. All Length fields are in bytes. VcHandle is set
844 * to 0 for connectionless data, otherwise it contains the VC handle.
846 struct rndis_packet {
851 u32 num_oob_data_elements;
852 u32 per_pkt_info_offset;
853 u32 per_pkt_info_len;
858 /* Optional Out of Band data associated with a Data message. */
862 u32 class_info_offset;
865 /* Packet extension field contents associated with a Data message. */
866 struct rndis_per_packet_info {
872 enum ndis_per_pkt_info_type {
873 TCPIP_CHKSUM_PKTINFO,
875 TCP_LARGESEND_PKTINFO,
876 CLASSIFICATION_HANDLE_PKTINFO,
882 NBL_HASH_VALUE = PACKET_CANCEL_ID,
883 ORIGINAL_NET_BUFLIST,
889 struct ndis_pkt_8021q_info {
892 u32 pri:3; /* User Priority */
893 u32 cfi:1; /* Canonical Format ID */
894 u32 vlanid:12; /* VLAN ID */
901 struct ndis_oject_header {
907 #define NDIS_OBJECT_TYPE_DEFAULT 0x80
908 #define NDIS_OFFLOAD_PARAMETERS_REVISION_3 3
909 #define NDIS_OFFLOAD_PARAMETERS_NO_CHANGE 0
910 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_DISABLED 1
911 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_ENABLED 2
912 #define NDIS_OFFLOAD_PARAMETERS_LSOV1_ENABLED 2
913 #define NDIS_OFFLOAD_PARAMETERS_RSC_DISABLED 1
914 #define NDIS_OFFLOAD_PARAMETERS_RSC_ENABLED 2
915 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_DISABLED 1
916 #define NDIS_OFFLOAD_PARAMETERS_TX_ENABLED_RX_DISABLED 2
917 #define NDIS_OFFLOAD_PARAMETERS_RX_ENABLED_TX_DISABLED 3
918 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_ENABLED 4
920 #define NDIS_TCP_LARGE_SEND_OFFLOAD_V2_TYPE 1
921 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV4 0
922 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV6 1
924 #define VERSION_4_OFFLOAD_SIZE 22
926 * New offload OIDs for NDIS 6
928 #define OID_TCP_OFFLOAD_CURRENT_CONFIG 0xFC01020B /* query only */
929 #define OID_TCP_OFFLOAD_PARAMETERS 0xFC01020C /* set only */
930 #define OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020D/* query only */
931 #define OID_TCP_CONNECTION_OFFLOAD_CURRENT_CONFIG 0xFC01020E /* query only */
932 #define OID_TCP_CONNECTION_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020F /* query */
933 #define OID_OFFLOAD_ENCAPSULATION 0x0101010A /* set/query */
935 struct ndis_offload_params {
936 struct ndis_oject_header header;
946 u8 tcp_connection_ip_v4;
947 u8 tcp_connection_ip_v6;
956 u8 encapsulated_packet_task_offload;
957 u8 encapsulation_types;
961 struct ndis_tcp_ip_checksum_info {
968 u32 ip_header_checksum:1;
970 u32 tcp_header_offset:10;
973 u32 tcp_checksum_failed:1;
974 u32 udp_checksum_failed:1;
975 u32 ip_checksum_failed:1;
976 u32 tcp_checksum_succeeded:1;
977 u32 udp_checksum_succeeded:1;
978 u32 ip_checksum_succeeded:1;
980 u32 tcp_checksum_value_invalid:1;
981 u32 ip_checksum_value_invalid:1;
987 struct ndis_tcp_lso_info {
996 u32 tcp_header_offset:10;
1004 } lso_v1_transmit_complete;
1007 u32 tcp_header_offset:10;
1015 } lso_v2_transmit_complete;
1020 #define NDIS_VLAN_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1021 sizeof(struct ndis_pkt_8021q_info))
1023 #define NDIS_CSUM_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1024 sizeof(struct ndis_tcp_ip_checksum_info))
1026 #define NDIS_LSO_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1027 sizeof(struct ndis_tcp_lso_info))
1029 #define NDIS_HASH_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1032 /* Total size of all PPI data */
1033 #define NDIS_ALL_PPI_SIZE (NDIS_VLAN_PPI_SIZE + NDIS_CSUM_PPI_SIZE + \
1034 NDIS_LSO_PPI_SIZE + NDIS_HASH_PPI_SIZE)
1036 /* Format of Information buffer passed in a SetRequest for the OID */
1037 /* OID_GEN_RNDIS_CONFIG_PARAMETER. */
1038 struct rndis_config_parameter_info {
1039 u32 parameter_name_offset;
1040 u32 parameter_name_length;
1042 u32 parameter_value_offset;
1043 u32 parameter_value_length;
1046 /* Values for ParameterType in struct rndis_config_parameter_info */
1047 #define RNDIS_CONFIG_PARAM_TYPE_INTEGER 0
1048 #define RNDIS_CONFIG_PARAM_TYPE_STRING 2
1050 /* CONDIS Miniport messages for connection oriented devices */
1051 /* that do not implement a call manager. */
1053 /* CoNdisMiniportCreateVc message */
1054 struct rcondis_mp_create_vc {
1059 /* Response to CoNdisMiniportCreateVc */
1060 struct rcondis_mp_create_vc_complete {
1066 /* CoNdisMiniportDeleteVc message */
1067 struct rcondis_mp_delete_vc {
1072 /* Response to CoNdisMiniportDeleteVc */
1073 struct rcondis_mp_delete_vc_complete {
1078 /* CoNdisMiniportQueryRequest message */
1079 struct rcondis_mp_query_request {
1085 u32 info_buf_offset;
1088 /* CoNdisMiniportSetRequest message */
1089 struct rcondis_mp_set_request {
1095 u32 info_buf_offset;
1098 /* CoNdisIndicateStatus message */
1099 struct rcondis_indicate_status {
1103 u32 status_buf_offset;
1106 /* CONDIS Call/VC parameters */
1107 struct rcondis_specific_parameters {
1109 u32 parameter_length;
1110 u32 parameter_lffset;
1113 struct rcondis_media_parameters {
1117 struct rcondis_specific_parameters media_specific;
1120 struct rndis_flowspec {
1122 u32 token_bucket_size;
1125 u32 delay_variation;
1128 u32 minimum_policed_size;
1131 struct rcondis_call_manager_parameters {
1132 struct rndis_flowspec transmit;
1133 struct rndis_flowspec receive;
1134 struct rcondis_specific_parameters call_mgr_specific;
1137 /* CoNdisMiniportActivateVc message */
1138 struct rcondis_mp_activate_vc_request {
1142 u32 media_params_offset;
1143 u32 media_params_length;
1144 u32 call_mgr_params_offset;
1145 u32 call_mgr_params_length;
1148 /* Response to CoNdisMiniportActivateVc */
1149 struct rcondis_mp_activate_vc_complete {
1154 /* CoNdisMiniportDeactivateVc message */
1155 struct rcondis_mp_deactivate_vc_request {
1161 /* Response to CoNdisMiniportDeactivateVc */
1162 struct rcondis_mp_deactivate_vc_complete {
1168 /* union with all of the RNDIS messages */
1169 union rndis_message_container {
1170 struct rndis_packet pkt;
1171 struct rndis_initialize_request init_req;
1172 struct rndis_halt_request halt_req;
1173 struct rndis_query_request query_req;
1174 struct rndis_set_request set_req;
1175 struct rndis_reset_request reset_req;
1176 struct rndis_keepalive_request keep_alive_req;
1177 struct rndis_indicate_status indicate_status;
1178 struct rndis_initialize_complete init_complete;
1179 struct rndis_query_complete query_complete;
1180 struct rndis_set_complete set_complete;
1181 struct rndis_reset_complete reset_complete;
1182 struct rndis_keepalive_complete keep_alive_complete;
1183 struct rcondis_mp_create_vc co_miniport_create_vc;
1184 struct rcondis_mp_delete_vc co_miniport_delete_vc;
1185 struct rcondis_indicate_status co_indicate_status;
1186 struct rcondis_mp_activate_vc_request co_miniport_activate_vc;
1187 struct rcondis_mp_deactivate_vc_request co_miniport_deactivate_vc;
1188 struct rcondis_mp_create_vc_complete co_miniport_create_vc_complete;
1189 struct rcondis_mp_delete_vc_complete co_miniport_delete_vc_complete;
1190 struct rcondis_mp_activate_vc_complete co_miniport_activate_vc_complete;
1191 struct rcondis_mp_deactivate_vc_complete
1192 co_miniport_deactivate_vc_complete;
1195 /* Remote NDIS message format */
1196 struct rndis_message {
1199 /* Total length of this message, from the beginning */
1200 /* of the sruct rndis_message, in bytes. */
1203 /* Actual message */
1204 union rndis_message_container msg;
1210 /* get the size of an RNDIS message. Pass in the message type, */
1211 /* struct rndis_set_request, struct rndis_packet for example */
1212 #define RNDIS_MESSAGE_SIZE(msg) \
1213 (sizeof(msg) + (sizeof(struct rndis_message) - \
1214 sizeof(union rndis_message_container)))
1216 /* get pointer to info buffer with message pointer */
1217 #define MESSAGE_TO_INFO_BUFFER(msg) \
1218 (((unsigned char *)(msg)) + msg->info_buf_offset)
1220 /* get pointer to status buffer with message pointer */
1221 #define MESSAGE_TO_STATUS_BUFFER(msg) \
1222 (((unsigned char *)(msg)) + msg->status_buf_offset)
1224 /* get pointer to OOBD buffer with message pointer */
1225 #define MESSAGE_TO_OOBD_BUFFER(msg) \
1226 (((unsigned char *)(msg)) + msg->oob_data_offset)
1228 /* get pointer to data buffer with message pointer */
1229 #define MESSAGE_TO_DATA_BUFFER(msg) \
1230 (((unsigned char *)(msg)) + msg->per_pkt_info_offset)
1232 /* get pointer to contained message from NDIS_MESSAGE pointer */
1233 #define RNDIS_MESSAGE_PTR_TO_MESSAGE_PTR(rndis_msg) \
1234 ((void *) &rndis_msg->msg)
1236 /* get pointer to contained message from NDIS_MESSAGE pointer */
1237 #define RNDIS_MESSAGE_RAW_PTR_TO_MESSAGE_PTR(rndis_msg) \
1238 ((void *) rndis_msg)
1241 #define __struct_bcount(x)
1245 #define RNDIS_HEADER_SIZE (sizeof(struct rndis_message) - \
1246 sizeof(union rndis_message_container))
1248 #define RNDIS_AND_PPI_SIZE (sizeof(struct rndis_message) + NDIS_ALL_PPI_SIZE)
1250 #define NDIS_PACKET_TYPE_DIRECTED 0x00000001
1251 #define NDIS_PACKET_TYPE_MULTICAST 0x00000002
1252 #define NDIS_PACKET_TYPE_ALL_MULTICAST 0x00000004
1253 #define NDIS_PACKET_TYPE_BROADCAST 0x00000008
1254 #define NDIS_PACKET_TYPE_SOURCE_ROUTING 0x00000010
1255 #define NDIS_PACKET_TYPE_PROMISCUOUS 0x00000020
1256 #define NDIS_PACKET_TYPE_SMT 0x00000040
1257 #define NDIS_PACKET_TYPE_ALL_LOCAL 0x00000080
1258 #define NDIS_PACKET_TYPE_GROUP 0x00000100
1259 #define NDIS_PACKET_TYPE_ALL_FUNCTIONAL 0x00000200
1260 #define NDIS_PACKET_TYPE_FUNCTIONAL 0x00000400
1261 #define NDIS_PACKET_TYPE_MAC_FRAME 0x00000800
1268 #define TRANSPORT_INFO_NOT_IP 0
1269 #define TRANSPORT_INFO_IPV4_TCP ((INFO_IPV4 << 16) | INFO_TCP)
1270 #define TRANSPORT_INFO_IPV4_UDP ((INFO_IPV4 << 16) | INFO_UDP)
1271 #define TRANSPORT_INFO_IPV6_TCP ((INFO_IPV6 << 16) | INFO_TCP)
1272 #define TRANSPORT_INFO_IPV6_UDP ((INFO_IPV6 << 16) | INFO_UDP)
1274 #endif /* _HYPERV_NET_H */