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
37 #define NDIS_OBJECT_TYPE_OFFLOAD 0xa7
39 #define NDIS_RECEIVE_SCALE_CAPABILITIES_REVISION_2 2
40 #define NDIS_RECEIVE_SCALE_PARAMETERS_REVISION_2 2
42 struct ndis_obj_header
{
48 /* ndis_recv_scale_cap/cap_flag */
49 #define NDIS_RSS_CAPS_MESSAGE_SIGNALED_INTERRUPTS 0x01000000
50 #define NDIS_RSS_CAPS_CLASSIFICATION_AT_ISR 0x02000000
51 #define NDIS_RSS_CAPS_CLASSIFICATION_AT_DPC 0x04000000
52 #define NDIS_RSS_CAPS_USING_MSI_X 0x08000000
53 #define NDIS_RSS_CAPS_RSS_AVAILABLE_ON_PORTS 0x10000000
54 #define NDIS_RSS_CAPS_SUPPORTS_MSI_X 0x20000000
55 #define NDIS_RSS_CAPS_HASH_TYPE_TCP_IPV4 0x00000100
56 #define NDIS_RSS_CAPS_HASH_TYPE_TCP_IPV6 0x00000200
57 #define NDIS_RSS_CAPS_HASH_TYPE_TCP_IPV6_EX 0x00000400
59 struct ndis_recv_scale_cap
{ /* NDIS_RECEIVE_SCALE_CAPABILITIES */
60 struct ndis_obj_header hdr
;
64 u16 num_indirect_tabent
;
68 /* ndis_recv_scale_param flags */
69 #define NDIS_RSS_PARAM_FLAG_BASE_CPU_UNCHANGED 0x0001
70 #define NDIS_RSS_PARAM_FLAG_HASH_INFO_UNCHANGED 0x0002
71 #define NDIS_RSS_PARAM_FLAG_ITABLE_UNCHANGED 0x0004
72 #define NDIS_RSS_PARAM_FLAG_HASH_KEY_UNCHANGED 0x0008
73 #define NDIS_RSS_PARAM_FLAG_DISABLE_RSS 0x0010
76 #define NDIS_HASH_FUNC_TOEPLITZ 0x00000001
77 #define NDIS_HASH_IPV4 0x00000100
78 #define NDIS_HASH_TCP_IPV4 0x00000200
79 #define NDIS_HASH_IPV6 0x00000400
80 #define NDIS_HASH_IPV6_EX 0x00000800
81 #define NDIS_HASH_TCP_IPV6 0x00001000
82 #define NDIS_HASH_TCP_IPV6_EX 0x00002000
84 #define NDIS_RSS_INDIRECTION_TABLE_MAX_SIZE_REVISION_2 (128 * 4)
85 #define NDIS_RSS_HASH_SECRET_KEY_MAX_SIZE_REVISION_2 40
89 struct ndis_recv_scale_param
{ /* NDIS_RECEIVE_SCALE_PARAMETERS */
90 struct ndis_obj_header hdr
;
92 /* Qualifies the rest of the information */
95 /* The base CPU number to do receive processing. not used */
98 /* This describes the hash function and type being enabled */
101 /* The size of indirection table array */
102 u16 indirect_tabsize
;
104 /* The offset of the indirection table from the beginning of this
107 u32 indirect_taboffset
;
109 /* The size of the hash secret key */
112 /* The offset of the secret key from the beginning of this structure */
115 u32 processor_masks_offset
;
116 u32 num_processor_masks
;
117 u32 processor_masks_entry_size
;
120 /* Fwd declaration */
121 struct ndis_tcp_ip_checksum_info
;
122 struct ndis_pkt_8021q_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 */
144 u32 total_data_buflen
;
147 struct netvsc_device_info
{
148 unsigned char mac_adr
[ETH_ALEN
];
153 u32 send_section_size
;
154 u32 recv_section_size
;
157 enum rndis_device_state
{
158 RNDIS_DEV_UNINITIALIZED
= 0,
159 RNDIS_DEV_INITIALIZING
,
160 RNDIS_DEV_INITIALIZED
,
161 RNDIS_DEV_DATAINITIALIZED
,
164 #define NETVSC_HASH_KEYLEN 40
166 struct rndis_device
{
167 struct net_device
*ndev
;
169 enum rndis_device_state state
;
173 spinlock_t request_lock
;
174 struct list_head req_list
;
176 struct work_struct mcast_work
;
178 bool link_state
; /* 0 - link up, 1 - link down */
180 u8 hw_mac_adr
[ETH_ALEN
];
181 u8 rss_key
[NETVSC_HASH_KEYLEN
];
182 u16 rx_table
[ITAB_NUM
];
187 struct rndis_message
;
188 struct netvsc_device
;
189 struct net_device_context
;
191 struct netvsc_device
*netvsc_device_add(struct hv_device
*device
,
192 const struct netvsc_device_info
*info
);
193 int netvsc_alloc_recv_comp_ring(struct netvsc_device
*net_device
, u32 q_idx
);
194 void netvsc_device_remove(struct hv_device
*device
);
195 int netvsc_send(struct net_device_context
*ndc
,
196 struct hv_netvsc_packet
*packet
,
197 struct rndis_message
*rndis_msg
,
198 struct hv_page_buffer
*page_buffer
,
199 struct sk_buff
*skb
);
200 void netvsc_linkstatus_callback(struct hv_device
*device_obj
,
201 struct rndis_message
*resp
);
202 int netvsc_recv_callback(struct net_device
*net
,
203 struct vmbus_channel
*channel
,
205 const struct ndis_tcp_ip_checksum_info
*csum_info
,
206 const struct ndis_pkt_8021q_info
*vlan
);
207 void netvsc_channel_cb(void *context
);
208 int netvsc_poll(struct napi_struct
*napi
, int budget
);
210 void rndis_set_subchannel(struct work_struct
*w
);
211 bool rndis_filter_opened(const struct netvsc_device
*nvdev
);
212 int rndis_filter_open(struct netvsc_device
*nvdev
);
213 int rndis_filter_close(struct netvsc_device
*nvdev
);
214 struct netvsc_device
*rndis_filter_device_add(struct hv_device
*dev
,
215 struct netvsc_device_info
*info
);
216 void rndis_filter_update(struct netvsc_device
*nvdev
);
217 void rndis_filter_device_remove(struct hv_device
*dev
,
218 struct netvsc_device
*nvdev
);
219 int rndis_filter_set_rss_param(struct rndis_device
*rdev
,
221 int rndis_filter_receive(struct net_device
*ndev
,
222 struct netvsc_device
*net_dev
,
223 struct hv_device
*dev
,
224 struct vmbus_channel
*channel
,
225 void *data
, u32 buflen
);
227 int rndis_filter_set_device_mac(struct netvsc_device
*ndev
,
230 void netvsc_switch_datapath(struct net_device
*nv_dev
, bool vf
);
232 #define NVSP_INVALID_PROTOCOL_VERSION ((u32)0xFFFFFFFF)
234 #define NVSP_PROTOCOL_VERSION_1 2
235 #define NVSP_PROTOCOL_VERSION_2 0x30002
236 #define NVSP_PROTOCOL_VERSION_4 0x40000
237 #define NVSP_PROTOCOL_VERSION_5 0x50000
240 NVSP_MSG_TYPE_NONE
= 0,
243 NVSP_MSG_TYPE_INIT
= 1,
244 NVSP_MSG_TYPE_INIT_COMPLETE
= 2,
246 NVSP_VERSION_MSG_START
= 100,
248 /* Version 1 Messages */
249 NVSP_MSG1_TYPE_SEND_NDIS_VER
= NVSP_VERSION_MSG_START
,
251 NVSP_MSG1_TYPE_SEND_RECV_BUF
,
252 NVSP_MSG1_TYPE_SEND_RECV_BUF_COMPLETE
,
253 NVSP_MSG1_TYPE_REVOKE_RECV_BUF
,
255 NVSP_MSG1_TYPE_SEND_SEND_BUF
,
256 NVSP_MSG1_TYPE_SEND_SEND_BUF_COMPLETE
,
257 NVSP_MSG1_TYPE_REVOKE_SEND_BUF
,
259 NVSP_MSG1_TYPE_SEND_RNDIS_PKT
,
260 NVSP_MSG1_TYPE_SEND_RNDIS_PKT_COMPLETE
,
262 /* Version 2 messages */
263 NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF
,
264 NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF_COMP
,
265 NVSP_MSG2_TYPE_REVOKE_CHIMNEY_DELEGATED_BUF
,
267 NVSP_MSG2_TYPE_RESUME_CHIMNEY_RX_INDICATION
,
269 NVSP_MSG2_TYPE_TERMINATE_CHIMNEY
,
270 NVSP_MSG2_TYPE_TERMINATE_CHIMNEY_COMP
,
272 NVSP_MSG2_TYPE_INDICATE_CHIMNEY_EVENT
,
274 NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT
,
275 NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT_COMP
,
277 NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ
,
278 NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ_COMP
,
280 NVSP_MSG2_TYPE_ALLOC_RXBUF
,
281 NVSP_MSG2_TYPE_ALLOC_RXBUF_COMP
,
283 NVSP_MSG2_TYPE_FREE_RXBUF
,
285 NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT
,
286 NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT_COMP
,
288 NVSP_MSG2_TYPE_SEND_NDIS_CONFIG
,
290 NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE
,
291 NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP
,
293 NVSP_MSG2_MAX
= NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP
,
295 /* Version 4 messages */
296 NVSP_MSG4_TYPE_SEND_VF_ASSOCIATION
,
297 NVSP_MSG4_TYPE_SWITCH_DATA_PATH
,
298 NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED
,
300 NVSP_MSG4_MAX
= NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED
,
302 /* Version 5 messages */
303 NVSP_MSG5_TYPE_OID_QUERY_EX
,
304 NVSP_MSG5_TYPE_OID_QUERY_EX_COMP
,
305 NVSP_MSG5_TYPE_SUBCHANNEL
,
306 NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE
,
308 NVSP_MSG5_MAX
= NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE
,
315 NVSP_STAT_PROTOCOL_TOO_NEW
,
316 NVSP_STAT_PROTOCOL_TOO_OLD
,
317 NVSP_STAT_INVALID_RNDIS_PKT
,
319 NVSP_STAT_PROTOCOL_UNSUPPORTED
,
323 struct nvsp_message_header
{
330 * This message is used by the VSC to initialize the channel after the channels
331 * has been opened. This message should never include anything other then
332 * versioning (i.e. this message will be the same for ever).
334 struct nvsp_message_init
{
335 u32 min_protocol_ver
;
336 u32 max_protocol_ver
;
340 * This message is used by the VSP to complete the initialization of the
341 * channel. This message should never include anything other then versioning
342 * (i.e. this message will be the same for ever).
344 struct nvsp_message_init_complete
{
345 u32 negotiated_protocol_ver
;
346 u32 max_mdl_chain_len
;
350 union nvsp_message_init_uber
{
351 struct nvsp_message_init init
;
352 struct nvsp_message_init_complete init_complete
;
355 /* Version 1 Messages */
358 * This message is used by the VSC to send the NDIS version to the VSP. The VSP
359 * can use this information when handling OIDs sent by the VSC.
361 struct nvsp_1_message_send_ndis_version
{
367 * This message is used by the VSC to send a receive buffer to the VSP. The VSP
368 * can then use the receive buffer to send data to the VSC.
370 struct nvsp_1_message_send_receive_buffer
{
375 struct nvsp_1_receive_buffer_section
{
383 * This message is used by the VSP to acknowledge a receive buffer send by the
384 * VSC. This message must be sent by the VSP before the VSP uses the receive
387 struct nvsp_1_message_send_receive_buffer_complete
{
392 * The receive buffer is split into two parts, a large suballocation
393 * section and a small suballocation section. These sections are then
394 * suballocated by a certain size.
398 * For example, the following break up of the receive buffer has 6
399 * large suballocations and 10 small suballocations.
403 * | Large Section | | Small Section |
404 * ------------------------------------------------------------
405 * | | | | | | | | | | | | | | | | | |
407 * LargeOffset SmallOffset
410 struct nvsp_1_receive_buffer_section sections
[1];
414 * This message is sent by the VSC to revoke the receive buffer. After the VSP
415 * completes this transaction, the vsp should never use the receive buffer
418 struct nvsp_1_message_revoke_receive_buffer
{
423 * This message is used by the VSC to send a send buffer to the VSP. The VSC
424 * can then use the send buffer to send data to the VSP.
426 struct nvsp_1_message_send_send_buffer
{
432 * This message is used by the VSP to acknowledge a send buffer sent by the
433 * VSC. This message must be sent by the VSP before the VSP uses the sent
436 struct nvsp_1_message_send_send_buffer_complete
{
440 * The VSC gets to choose the size of the send buffer and the VSP gets
441 * to choose the sections size of the buffer. This was done to enable
442 * dynamic reconfigurations when the cost of GPA-direct buffers
449 * This message is sent by the VSC to revoke the send buffer. After the VSP
450 * completes this transaction, the vsp should never use the send buffer again.
452 struct nvsp_1_message_revoke_send_buffer
{
457 * This message is used by both the VSP and the VSC to send a RNDIS message to
458 * the opposite channel endpoint.
460 struct nvsp_1_message_send_rndis_packet
{
462 * This field is specified by RNDIS. They assume there's two different
463 * channels of communication. However, the Network VSP only has one.
464 * Therefore, the channel travels with the RNDIS packet.
469 * This field is used to send part or all of the data through a send
470 * buffer. This values specifies an index into the send buffer. If the
471 * index is 0xFFFFFFFF, then the send buffer is not being used and all
472 * of the data was sent through other VMBus mechanisms.
474 u32 send_buf_section_index
;
475 u32 send_buf_section_size
;
479 * This message is used by both the VSP and the VSC to complete a RNDIS message
480 * to the opposite channel endpoint. At this point, the initiator of this
481 * message cannot use any resources associated with the original RNDIS packet.
483 struct nvsp_1_message_send_rndis_packet_complete
{
487 union nvsp_1_message_uber
{
488 struct nvsp_1_message_send_ndis_version send_ndis_ver
;
490 struct nvsp_1_message_send_receive_buffer send_recv_buf
;
491 struct nvsp_1_message_send_receive_buffer_complete
492 send_recv_buf_complete
;
493 struct nvsp_1_message_revoke_receive_buffer revoke_recv_buf
;
495 struct nvsp_1_message_send_send_buffer send_send_buf
;
496 struct nvsp_1_message_send_send_buffer_complete send_send_buf_complete
;
497 struct nvsp_1_message_revoke_send_buffer revoke_send_buf
;
499 struct nvsp_1_message_send_rndis_packet send_rndis_pkt
;
500 struct nvsp_1_message_send_rndis_packet_complete
501 send_rndis_pkt_complete
;
506 * Network VSP protocol version 2 messages:
508 struct nvsp_2_vsc_capability
{
516 u64 correlation_id
:1;
522 struct nvsp_2_send_ndis_config
{
525 struct nvsp_2_vsc_capability capability
;
528 /* Allocate receive buffer */
529 struct nvsp_2_alloc_rxbuf
{
530 /* Allocation ID to match the allocation request and response */
533 /* Length of the VM shared memory receive buffer that needs to
539 /* Allocate receive buffer complete */
540 struct nvsp_2_alloc_rxbuf_comp
{
541 /* The NDIS_STATUS code for buffer allocation */
546 /* GPADL handle for the allocated receive buffer */
549 /* Receive buffer ID */
553 struct nvsp_2_free_rxbuf
{
557 union nvsp_2_message_uber
{
558 struct nvsp_2_send_ndis_config send_ndis_config
;
559 struct nvsp_2_alloc_rxbuf alloc_rxbuf
;
560 struct nvsp_2_alloc_rxbuf_comp alloc_rxbuf_comp
;
561 struct nvsp_2_free_rxbuf free_rxbuf
;
564 struct nvsp_4_send_vf_association
{
565 /* 1: allocated, serial number is valid. 0: not allocated */
568 /* Serial number of the VF to team with */
572 enum nvsp_vm_datapath
{
573 NVSP_DATAPATH_SYNTHETIC
= 0,
578 struct nvsp_4_sw_datapath
{
579 u32 active_datapath
; /* active data path in VM */
582 union nvsp_4_message_uber
{
583 struct nvsp_4_send_vf_association vf_assoc
;
584 struct nvsp_4_sw_datapath active_dp
;
587 enum nvsp_subchannel_operation
{
588 NVSP_SUBCHANNEL_NONE
= 0,
589 NVSP_SUBCHANNEL_ALLOCATE
,
593 struct nvsp_5_subchannel_request
{
598 struct nvsp_5_subchannel_complete
{
600 u32 num_subchannels
; /* Actual number of subchannels allocated */
603 struct nvsp_5_send_indirect_table
{
604 /* The number of entries in the send indirection table */
607 /* The offset of the send indirection table from top of this struct.
608 * The send indirection table tells which channel to put the send
609 * traffic on. Each entry is a channel number.
614 union nvsp_5_message_uber
{
615 struct nvsp_5_subchannel_request subchn_req
;
616 struct nvsp_5_subchannel_complete subchn_comp
;
617 struct nvsp_5_send_indirect_table send_table
;
620 union nvsp_all_messages
{
621 union nvsp_message_init_uber init_msg
;
622 union nvsp_1_message_uber v1_msg
;
623 union nvsp_2_message_uber v2_msg
;
624 union nvsp_4_message_uber v4_msg
;
625 union nvsp_5_message_uber v5_msg
;
629 struct nvsp_message
{
630 struct nvsp_message_header hdr
;
631 union nvsp_all_messages msg
;
635 #define NETVSC_MTU 65535
636 #define NETVSC_MTU_MIN ETH_MIN_MTU
638 #define NETVSC_RECEIVE_BUFFER_SIZE (1024*1024*16) /* 16MB */
639 #define NETVSC_RECEIVE_BUFFER_SIZE_LEGACY (1024*1024*15) /* 15MB */
640 #define NETVSC_SEND_BUFFER_SIZE (1024 * 1024 * 15) /* 15MB */
641 #define NETVSC_INVALID_INDEX -1
643 #define NETVSC_SEND_SECTION_SIZE 6144
644 #define NETVSC_RECV_SECTION_SIZE 1728
646 #define NETVSC_RECEIVE_BUFFER_ID 0xcafe
647 #define NETVSC_SEND_BUFFER_ID 0
649 #define VRSS_SEND_TAB_SIZE 16 /* must be power of 2 */
650 #define VRSS_CHANNEL_MAX 64
651 #define VRSS_CHANNEL_DEFAULT 8
653 #define RNDIS_MAX_PKT_DEFAULT 8
654 #define RNDIS_PKT_ALIGN_DEFAULT 8
656 struct multi_send_data
{
657 struct sk_buff
*skb
; /* skb containing the pkt */
658 struct hv_netvsc_packet
*pkt
; /* netvsc pkt pending */
659 u32 count
; /* counter of batched packets */
662 struct recv_comp_data
{
663 u64 tid
; /* transaction id */
667 struct multi_recv_comp
{
668 struct recv_comp_data
*slots
;
669 u32 first
; /* first data entry */
670 u32 next
; /* next entry for writing */
673 struct netvsc_stats
{
678 struct u64_stats_sync syncp
;
681 struct netvsc_ethtool_stats
{
682 unsigned long tx_scattered
;
683 unsigned long tx_no_memory
;
684 unsigned long tx_no_space
;
685 unsigned long tx_too_big
;
686 unsigned long tx_busy
;
687 unsigned long tx_send_full
;
688 unsigned long rx_comp_busy
;
689 unsigned long stop_queue
;
690 unsigned long wake_queue
;
693 struct netvsc_vf_pcpu_stats
{
698 struct u64_stats_sync syncp
;
702 struct netvsc_reconfig
{
703 struct list_head list
;
707 /* L4 hash bits for different protocols */
708 #define HV_TCP4_L4HASH 1
709 #define HV_TCP6_L4HASH 2
710 #define HV_UDP4_L4HASH 4
711 #define HV_UDP6_L4HASH 8
712 #define HV_DEFAULT_L4HASH (HV_TCP4_L4HASH | HV_TCP6_L4HASH | HV_UDP4_L4HASH | \
715 /* The context of the netvsc device */
716 struct net_device_context
{
717 /* point back to our device context */
718 struct hv_device
*device_ctx
;
720 struct netvsc_device __rcu
*nvdev
;
721 /* reconfigure work */
722 struct delayed_work dwork
;
723 /* last reconfig time */
724 unsigned long last_reconfig
;
725 /* reconfig events */
726 struct list_head reconfig_events
;
727 /* list protection */
730 u32 msg_enable
; /* debug level */
732 u32 tx_checksum_mask
;
734 u32 tx_table
[VRSS_SEND_TAB_SIZE
];
736 /* Ethtool settings */
739 u32 l4_hash
; /* L4 hash settings */
740 struct netvsc_ethtool_stats eth_stats
;
742 /* State to manage the associated VF interface. */
743 struct net_device __rcu
*vf_netdev
;
744 struct netvsc_vf_pcpu_stats __percpu
*vf_stats
;
745 struct delayed_work vf_takeover
;
747 /* 1: allocated, serial number is valid. 0: not allocated */
749 /* Serial number of the VF to team with */
753 /* Per channel data */
754 struct netvsc_channel
{
755 struct vmbus_channel
*channel
;
756 struct netvsc_device
*net_device
;
757 const struct vmpacket_descriptor
*desc
;
758 struct napi_struct napi
;
759 struct multi_send_data msd
;
760 struct multi_recv_comp mrc
;
761 atomic_t queue_sends
;
763 struct netvsc_stats tx_stats
;
764 struct netvsc_stats rx_stats
;
767 /* Per netvsc device */
768 struct netvsc_device
{
771 wait_queue_head_t wait_drain
;
774 /* Receive buffer allocated by us but manages by NetVSP */
776 u32 recv_buf_gpadl_handle
;
777 u32 recv_section_cnt
;
778 u32 recv_section_size
;
779 u32 recv_completion_cnt
;
781 /* Send buffer allocated by us */
783 u32 send_buf_gpadl_handle
;
784 u32 send_section_cnt
;
785 u32 send_section_size
;
786 unsigned long *send_section_map
;
788 /* Used for NetVSP initialization protocol */
789 struct completion channel_init_wait
;
790 struct nvsp_message channel_init_pkt
;
792 struct nvsp_message revoke_packet
;
798 struct work_struct subchan_work
;
799 wait_queue_head_t subchan_open
;
801 struct rndis_device
*extension
;
805 u32 max_pkt
; /* max number of pkt in one send, e.g. 8 */
806 u32 pkt_align
; /* alignment bytes, e.g. 8 */
810 struct netvsc_channel chan_table
[VRSS_CHANNEL_MAX
];
815 /* NdisInitialize message */
816 struct rndis_initialize_request
{
823 /* Response to NdisInitialize */
824 struct rndis_initialize_complete
{
833 u32 pkt_alignment_factor
;
838 /* Call manager devices only: Information about an address family */
839 /* supported by the device is appended to the response to NdisInitialize. */
840 struct rndis_co_address_family
{
846 /* NdisHalt message */
847 struct rndis_halt_request
{
851 /* NdisQueryRequest message */
852 struct rndis_query_request
{
860 /* Response to NdisQueryRequest */
861 struct rndis_query_complete
{
868 /* NdisSetRequest message */
869 struct rndis_set_request
{
877 /* Response to NdisSetRequest */
878 struct rndis_set_complete
{
883 /* NdisReset message */
884 struct rndis_reset_request
{
888 /* Response to NdisReset */
889 struct rndis_reset_complete
{
891 u32 addressing_reset
;
894 /* NdisMIndicateStatus message */
895 struct rndis_indicate_status
{
898 u32 status_buf_offset
;
901 /* Diagnostic information passed as the status buffer in */
902 /* struct rndis_indicate_status messages signifying error conditions. */
903 struct rndis_diagnostic_info
{
908 /* NdisKeepAlive message */
909 struct rndis_keepalive_request
{
913 /* Response to NdisKeepAlive */
914 struct rndis_keepalive_complete
{
920 * Data message. All Offset fields contain byte offsets from the beginning of
921 * struct rndis_packet. All Length fields are in bytes. VcHandle is set
922 * to 0 for connectionless data, otherwise it contains the VC handle.
924 struct rndis_packet
{
929 u32 num_oob_data_elements
;
930 u32 per_pkt_info_offset
;
931 u32 per_pkt_info_len
;
936 /* Optional Out of Band data associated with a Data message. */
940 u32 class_info_offset
;
943 /* Packet extension field contents associated with a Data message. */
944 struct rndis_per_packet_info
{
950 enum ndis_per_pkt_info_type
{
951 TCPIP_CHKSUM_PKTINFO
,
953 TCP_LARGESEND_PKTINFO
,
954 CLASSIFICATION_HANDLE_PKTINFO
,
960 NBL_HASH_VALUE
= PACKET_CANCEL_ID
,
961 ORIGINAL_NET_BUFLIST
,
967 struct ndis_pkt_8021q_info
{
970 u32 pri
:3; /* User Priority */
971 u32 cfi
:1; /* Canonical Format ID */
972 u32 vlanid
:12; /* VLAN ID */
979 struct ndis_object_header
{
985 #define NDIS_OBJECT_TYPE_DEFAULT 0x80
986 #define NDIS_OFFLOAD_PARAMETERS_REVISION_3 3
987 #define NDIS_OFFLOAD_PARAMETERS_REVISION_2 2
988 #define NDIS_OFFLOAD_PARAMETERS_REVISION_1 1
990 #define NDIS_OFFLOAD_PARAMETERS_NO_CHANGE 0
991 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_DISABLED 1
992 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_ENABLED 2
993 #define NDIS_OFFLOAD_PARAMETERS_LSOV1_ENABLED 2
994 #define NDIS_OFFLOAD_PARAMETERS_RSC_DISABLED 1
995 #define NDIS_OFFLOAD_PARAMETERS_RSC_ENABLED 2
996 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_DISABLED 1
997 #define NDIS_OFFLOAD_PARAMETERS_TX_ENABLED_RX_DISABLED 2
998 #define NDIS_OFFLOAD_PARAMETERS_RX_ENABLED_TX_DISABLED 3
999 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_ENABLED 4
1001 #define NDIS_TCP_LARGE_SEND_OFFLOAD_V2_TYPE 1
1002 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV4 0
1003 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV6 1
1005 #define VERSION_4_OFFLOAD_SIZE 22
1007 * New offload OIDs for NDIS 6
1009 #define OID_TCP_OFFLOAD_CURRENT_CONFIG 0xFC01020B /* query only */
1010 #define OID_TCP_OFFLOAD_PARAMETERS 0xFC01020C /* set only */
1011 #define OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020D/* query only */
1012 #define OID_TCP_CONNECTION_OFFLOAD_CURRENT_CONFIG 0xFC01020E /* query only */
1013 #define OID_TCP_CONNECTION_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020F /* query */
1014 #define OID_OFFLOAD_ENCAPSULATION 0x0101010A /* set/query */
1017 * OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES
1018 * ndis_type: NDIS_OBJTYPE_OFFLOAD
1021 #define NDIS_OFFLOAD_ENCAP_NONE 0x0000
1022 #define NDIS_OFFLOAD_ENCAP_NULL 0x0001
1023 #define NDIS_OFFLOAD_ENCAP_8023 0x0002
1024 #define NDIS_OFFLOAD_ENCAP_8023PQ 0x0004
1025 #define NDIS_OFFLOAD_ENCAP_8023PQ_OOB 0x0008
1026 #define NDIS_OFFLOAD_ENCAP_RFC1483 0x0010
1028 struct ndis_csum_offload
{
1031 #define NDIS_TXCSUM_CAP_IP4OPT 0x001
1032 #define NDIS_TXCSUM_CAP_TCP4OPT 0x004
1033 #define NDIS_TXCSUM_CAP_TCP4 0x010
1034 #define NDIS_TXCSUM_CAP_UDP4 0x040
1035 #define NDIS_TXCSUM_CAP_IP4 0x100
1037 #define NDIS_TXCSUM_ALL_TCP4 (NDIS_TXCSUM_CAP_TCP4 | NDIS_TXCSUM_CAP_TCP4OPT)
1041 #define NDIS_RXCSUM_CAP_IP4OPT 0x001
1042 #define NDIS_RXCSUM_CAP_TCP4OPT 0x004
1043 #define NDIS_RXCSUM_CAP_TCP4 0x010
1044 #define NDIS_RXCSUM_CAP_UDP4 0x040
1045 #define NDIS_RXCSUM_CAP_IP4 0x100
1048 #define NDIS_TXCSUM_CAP_IP6EXT 0x001
1049 #define NDIS_TXCSUM_CAP_TCP6OPT 0x004
1050 #define NDIS_TXCSUM_CAP_TCP6 0x010
1051 #define NDIS_TXCSUM_CAP_UDP6 0x040
1054 #define NDIS_RXCSUM_CAP_IP6EXT 0x001
1055 #define NDIS_RXCSUM_CAP_TCP6OPT 0x004
1056 #define NDIS_RXCSUM_CAP_TCP6 0x010
1057 #define NDIS_RXCSUM_CAP_UDP6 0x040
1059 #define NDIS_TXCSUM_ALL_TCP6 (NDIS_TXCSUM_CAP_TCP6 | \
1060 NDIS_TXCSUM_CAP_TCP6OPT | \
1061 NDIS_TXCSUM_CAP_IP6EXT)
1064 struct ndis_lsov1_offload
{
1071 struct ndis_ipsecv1_offload
{
1081 struct ndis_lsov2_offload
{
1089 #define NDIS_LSOV2_CAP_IP6EXT 0x001
1090 #define NDIS_LSOV2_CAP_TCP6OPT 0x004
1092 #define NDIS_LSOV2_CAP_IP6 (NDIS_LSOV2_CAP_IP6EXT | \
1093 NDIS_LSOV2_CAP_TCP6OPT)
1096 struct ndis_ipsecv2_offload
{
1115 struct ndis_rsc_offload
{
1120 struct ndis_encap_offload
{
1125 struct ndis_offload
{
1126 struct ndis_object_header header
;
1127 struct ndis_csum_offload csum
;
1128 struct ndis_lsov1_offload lsov1
;
1129 struct ndis_ipsecv1_offload ipsecv1
;
1130 struct ndis_lsov2_offload lsov2
;
1133 struct ndis_ipsecv2_offload ipsecv2
;
1135 struct ndis_rsc_offload rsc
;
1136 struct ndis_encap_offload encap_gre
;
1139 #define NDIS_OFFLOAD_SIZE sizeof(struct ndis_offload)
1140 #define NDIS_OFFLOAD_SIZE_6_0 offsetof(struct ndis_offload, ipsecv2)
1141 #define NDIS_OFFLOAD_SIZE_6_1 offsetof(struct ndis_offload, rsc)
1143 struct ndis_offload_params
{
1144 struct ndis_object_header header
;
1154 u8 tcp_connection_ip_v4
;
1155 u8 tcp_connection_ip_v6
;
1164 u8 encapsulated_packet_task_offload
;
1165 u8 encapsulation_types
;
1169 struct ndis_tcp_ip_checksum_info
{
1176 u32 ip_header_checksum
:1;
1178 u32 tcp_header_offset
:10;
1181 u32 tcp_checksum_failed
:1;
1182 u32 udp_checksum_failed
:1;
1183 u32 ip_checksum_failed
:1;
1184 u32 tcp_checksum_succeeded
:1;
1185 u32 udp_checksum_succeeded
:1;
1186 u32 ip_checksum_succeeded
:1;
1188 u32 tcp_checksum_value_invalid
:1;
1189 u32 ip_checksum_value_invalid
:1;
1195 struct ndis_tcp_lso_info
{
1204 u32 tcp_header_offset
:10;
1212 } lso_v1_transmit_complete
;
1215 u32 tcp_header_offset
:10;
1223 } lso_v2_transmit_complete
;
1228 #define NDIS_VLAN_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1229 sizeof(struct ndis_pkt_8021q_info))
1231 #define NDIS_CSUM_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1232 sizeof(struct ndis_tcp_ip_checksum_info))
1234 #define NDIS_LSO_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1235 sizeof(struct ndis_tcp_lso_info))
1237 #define NDIS_HASH_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1240 /* Total size of all PPI data */
1241 #define NDIS_ALL_PPI_SIZE (NDIS_VLAN_PPI_SIZE + NDIS_CSUM_PPI_SIZE + \
1242 NDIS_LSO_PPI_SIZE + NDIS_HASH_PPI_SIZE)
1244 /* Format of Information buffer passed in a SetRequest for the OID */
1245 /* OID_GEN_RNDIS_CONFIG_PARAMETER. */
1246 struct rndis_config_parameter_info
{
1247 u32 parameter_name_offset
;
1248 u32 parameter_name_length
;
1250 u32 parameter_value_offset
;
1251 u32 parameter_value_length
;
1254 /* Values for ParameterType in struct rndis_config_parameter_info */
1255 #define RNDIS_CONFIG_PARAM_TYPE_INTEGER 0
1256 #define RNDIS_CONFIG_PARAM_TYPE_STRING 2
1258 /* CONDIS Miniport messages for connection oriented devices */
1259 /* that do not implement a call manager. */
1261 /* CoNdisMiniportCreateVc message */
1262 struct rcondis_mp_create_vc
{
1267 /* Response to CoNdisMiniportCreateVc */
1268 struct rcondis_mp_create_vc_complete
{
1274 /* CoNdisMiniportDeleteVc message */
1275 struct rcondis_mp_delete_vc
{
1280 /* Response to CoNdisMiniportDeleteVc */
1281 struct rcondis_mp_delete_vc_complete
{
1286 /* CoNdisMiniportQueryRequest message */
1287 struct rcondis_mp_query_request
{
1293 u32 info_buf_offset
;
1296 /* CoNdisMiniportSetRequest message */
1297 struct rcondis_mp_set_request
{
1303 u32 info_buf_offset
;
1306 /* CoNdisIndicateStatus message */
1307 struct rcondis_indicate_status
{
1311 u32 status_buf_offset
;
1314 /* CONDIS Call/VC parameters */
1315 struct rcondis_specific_parameters
{
1317 u32 parameter_length
;
1318 u32 parameter_lffset
;
1321 struct rcondis_media_parameters
{
1325 struct rcondis_specific_parameters media_specific
;
1328 struct rndis_flowspec
{
1330 u32 token_bucket_size
;
1333 u32 delay_variation
;
1336 u32 minimum_policed_size
;
1339 struct rcondis_call_manager_parameters
{
1340 struct rndis_flowspec transmit
;
1341 struct rndis_flowspec receive
;
1342 struct rcondis_specific_parameters call_mgr_specific
;
1345 /* CoNdisMiniportActivateVc message */
1346 struct rcondis_mp_activate_vc_request
{
1350 u32 media_params_offset
;
1351 u32 media_params_length
;
1352 u32 call_mgr_params_offset
;
1353 u32 call_mgr_params_length
;
1356 /* Response to CoNdisMiniportActivateVc */
1357 struct rcondis_mp_activate_vc_complete
{
1362 /* CoNdisMiniportDeactivateVc message */
1363 struct rcondis_mp_deactivate_vc_request
{
1369 /* Response to CoNdisMiniportDeactivateVc */
1370 struct rcondis_mp_deactivate_vc_complete
{
1376 /* union with all of the RNDIS messages */
1377 union rndis_message_container
{
1378 struct rndis_packet pkt
;
1379 struct rndis_initialize_request init_req
;
1380 struct rndis_halt_request halt_req
;
1381 struct rndis_query_request query_req
;
1382 struct rndis_set_request set_req
;
1383 struct rndis_reset_request reset_req
;
1384 struct rndis_keepalive_request keep_alive_req
;
1385 struct rndis_indicate_status indicate_status
;
1386 struct rndis_initialize_complete init_complete
;
1387 struct rndis_query_complete query_complete
;
1388 struct rndis_set_complete set_complete
;
1389 struct rndis_reset_complete reset_complete
;
1390 struct rndis_keepalive_complete keep_alive_complete
;
1391 struct rcondis_mp_create_vc co_miniport_create_vc
;
1392 struct rcondis_mp_delete_vc co_miniport_delete_vc
;
1393 struct rcondis_indicate_status co_indicate_status
;
1394 struct rcondis_mp_activate_vc_request co_miniport_activate_vc
;
1395 struct rcondis_mp_deactivate_vc_request co_miniport_deactivate_vc
;
1396 struct rcondis_mp_create_vc_complete co_miniport_create_vc_complete
;
1397 struct rcondis_mp_delete_vc_complete co_miniport_delete_vc_complete
;
1398 struct rcondis_mp_activate_vc_complete co_miniport_activate_vc_complete
;
1399 struct rcondis_mp_deactivate_vc_complete
1400 co_miniport_deactivate_vc_complete
;
1403 /* Remote NDIS message format */
1404 struct rndis_message
{
1407 /* Total length of this message, from the beginning */
1408 /* of the struct rndis_message, in bytes. */
1411 /* Actual message */
1412 union rndis_message_container msg
;
1418 /* get the size of an RNDIS message. Pass in the message type, */
1419 /* struct rndis_set_request, struct rndis_packet for example */
1420 #define RNDIS_MESSAGE_SIZE(msg) \
1421 (sizeof(msg) + (sizeof(struct rndis_message) - \
1422 sizeof(union rndis_message_container)))
1424 /* get pointer to info buffer with message pointer */
1425 #define MESSAGE_TO_INFO_BUFFER(msg) \
1426 (((unsigned char *)(msg)) + msg->info_buf_offset)
1428 /* get pointer to status buffer with message pointer */
1429 #define MESSAGE_TO_STATUS_BUFFER(msg) \
1430 (((unsigned char *)(msg)) + msg->status_buf_offset)
1432 /* get pointer to OOBD buffer with message pointer */
1433 #define MESSAGE_TO_OOBD_BUFFER(msg) \
1434 (((unsigned char *)(msg)) + msg->oob_data_offset)
1436 /* get pointer to data buffer with message pointer */
1437 #define MESSAGE_TO_DATA_BUFFER(msg) \
1438 (((unsigned char *)(msg)) + msg->per_pkt_info_offset)
1440 /* get pointer to contained message from NDIS_MESSAGE pointer */
1441 #define RNDIS_MESSAGE_PTR_TO_MESSAGE_PTR(rndis_msg) \
1442 ((void *) &rndis_msg->msg)
1444 /* get pointer to contained message from NDIS_MESSAGE pointer */
1445 #define RNDIS_MESSAGE_RAW_PTR_TO_MESSAGE_PTR(rndis_msg) \
1446 ((void *) rndis_msg)
1450 #define RNDIS_HEADER_SIZE (sizeof(struct rndis_message) - \
1451 sizeof(union rndis_message_container))
1453 #define RNDIS_AND_PPI_SIZE (sizeof(struct rndis_message) + NDIS_ALL_PPI_SIZE)
1455 #define NDIS_PACKET_TYPE_DIRECTED 0x00000001
1456 #define NDIS_PACKET_TYPE_MULTICAST 0x00000002
1457 #define NDIS_PACKET_TYPE_ALL_MULTICAST 0x00000004
1458 #define NDIS_PACKET_TYPE_BROADCAST 0x00000008
1459 #define NDIS_PACKET_TYPE_SOURCE_ROUTING 0x00000010
1460 #define NDIS_PACKET_TYPE_PROMISCUOUS 0x00000020
1461 #define NDIS_PACKET_TYPE_SMT 0x00000040
1462 #define NDIS_PACKET_TYPE_ALL_LOCAL 0x00000080
1463 #define NDIS_PACKET_TYPE_GROUP 0x00000100
1464 #define NDIS_PACKET_TYPE_ALL_FUNCTIONAL 0x00000200
1465 #define NDIS_PACKET_TYPE_FUNCTIONAL 0x00000400
1466 #define NDIS_PACKET_TYPE_MAC_FRAME 0x00000800
1468 #define TRANSPORT_INFO_NOT_IP 0
1469 #define TRANSPORT_INFO_IPV4_TCP 0x01
1470 #define TRANSPORT_INFO_IPV4_UDP 0x02
1471 #define TRANSPORT_INFO_IPV6_TCP 0x10
1472 #define TRANSPORT_INFO_IPV6_UDP 0x20
1474 #endif /* _HYPERV_NET_H */