Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 1 | /* |
| 2 | * |
| 3 | * Copyright (c) 2009, Microsoft Corporation. |
| 4 | * |
| 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. |
| 8 | * |
| 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 |
| 12 | * more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License along with |
| 15 | * this program; if not, write to the Free Software Foundation, Inc., 59 Temple |
| 16 | * Place - Suite 330, Boston, MA 02111-1307 USA. |
| 17 | * |
| 18 | * Authors: |
| 19 | * Haiyang Zhang <haiyangz@microsoft.com> |
| 20 | * Hank Janssen <hjanssen@microsoft.com> |
| 21 | * |
| 22 | */ |
| 23 | |
Greg Kroah-Hartman | 5654e93 | 2009-07-14 15:08:20 -0700 | [diff] [blame] | 24 | #include <linux/kernel.h> |
Bill Pemberton | 45da89e | 2009-07-29 17:00:15 -0400 | [diff] [blame] | 25 | #include <linux/highmem.h> |
| 26 | #include <asm/kmap_types.h> |
Greg Kroah-Hartman | fa56d36 | 2009-07-29 15:39:27 -0700 | [diff] [blame] | 27 | #include <asm/io.h> |
Bill Pemberton | 45da89e | 2009-07-29 17:00:15 -0400 | [diff] [blame] | 28 | |
Greg Kroah-Hartman | 4983b39 | 2009-08-19 16:14:47 -0700 | [diff] [blame] | 29 | #include "osd.h" |
Greg Kroah-Hartman | c86f3e2 | 2009-07-14 10:59:56 -0700 | [diff] [blame] | 30 | #include "include/logging.h" |
Greg Kroah-Hartman | c86f3e2 | 2009-07-14 10:59:56 -0700 | [diff] [blame] | 31 | #include "include/NetVscApi.h" |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 32 | #include "RndisFilter.h" |
| 33 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 34 | |
| 35 | /* Data types */ |
| 36 | |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 37 | |
| 38 | typedef struct _RNDIS_FILTER_DRIVER_OBJECT { |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 39 | /* The original driver */ |
Greg Kroah-Hartman | 7e23a6e | 2009-08-27 15:58:15 -0700 | [diff] [blame^] | 40 | struct netvsc_driver InnerDriver; |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 41 | |
| 42 | } RNDIS_FILTER_DRIVER_OBJECT; |
| 43 | |
| 44 | typedef enum { |
| 45 | RNDIS_DEV_UNINITIALIZED = 0, |
| 46 | RNDIS_DEV_INITIALIZING, |
| 47 | RNDIS_DEV_INITIALIZED, |
| 48 | RNDIS_DEV_DATAINITIALIZED, |
| 49 | } RNDIS_DEVICE_STATE; |
| 50 | |
| 51 | typedef struct _RNDIS_DEVICE { |
Bill Pemberton | d1af1db7 | 2009-07-27 16:47:44 -0400 | [diff] [blame] | 52 | struct NETVSC_DEVICE *NetDevice; |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 53 | |
| 54 | RNDIS_DEVICE_STATE State; |
Greg Kroah-Hartman | 4d64311 | 2009-07-14 15:09:36 -0700 | [diff] [blame] | 55 | u32 LinkStatus; |
Bill Pemberton | f488841 | 2009-07-29 17:00:12 -0400 | [diff] [blame] | 56 | atomic_t NewRequestId; |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 57 | |
Greg Kroah-Hartman | 880fb89 | 2009-07-15 14:55:29 -0700 | [diff] [blame] | 58 | spinlock_t request_lock; |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 59 | LIST_ENTRY RequestList; |
| 60 | |
Greg Kroah-Hartman | 5947143 | 2009-07-14 15:10:26 -0700 | [diff] [blame] | 61 | unsigned char HwMacAddr[HW_MACADDR_LEN]; |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 62 | } RNDIS_DEVICE; |
| 63 | |
| 64 | |
| 65 | typedef struct _RNDIS_REQUEST { |
| 66 | LIST_ENTRY ListEntry; |
Bill Pemberton | aedb444 | 2009-07-28 13:46:24 -0400 | [diff] [blame] | 67 | struct osd_waitevent *WaitEvent; |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 68 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 69 | /* FIXME: We assumed a fixed size response here. If we do ever need to handle a bigger response, */ |
| 70 | /* we can either define a max response message or add a response buffer variable above this field */ |
Greg Kroah-Hartman | 9f33d05 | 2009-08-19 16:26:24 -0700 | [diff] [blame] | 71 | struct rndis_message ResponseMessage; |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 72 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 73 | /* Simplify allocation by having a netvsc packet inline */ |
Nicolas Palix | 4193d4f | 2009-07-29 14:10:10 +0200 | [diff] [blame] | 74 | struct hv_netvsc_packet Packet; |
Greg Kroah-Hartman | ee3d7dd | 2009-08-20 12:17:36 -0700 | [diff] [blame] | 75 | struct hv_page_buffer Buffer; |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 76 | /* FIXME: We assumed a fixed size request here. */ |
Greg Kroah-Hartman | 9f33d05 | 2009-08-19 16:26:24 -0700 | [diff] [blame] | 77 | struct rndis_message RequestMessage; |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 78 | } RNDIS_REQUEST; |
| 79 | |
| 80 | |
| 81 | typedef struct _RNDIS_FILTER_PACKET { |
| 82 | void *CompletionContext; |
| 83 | PFN_ON_SENDRECVCOMPLETION OnCompletion; |
| 84 | |
Greg Kroah-Hartman | 9f33d05 | 2009-08-19 16:26:24 -0700 | [diff] [blame] | 85 | struct rndis_message Message; |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 86 | } RNDIS_FILTER_PACKET; |
| 87 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 88 | |
| 89 | /* Internal routines */ |
| 90 | |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 91 | static int |
| 92 | RndisFilterSendRequest( |
| 93 | RNDIS_DEVICE *Device, |
| 94 | RNDIS_REQUEST *Request |
| 95 | ); |
| 96 | |
Greg Kroah-Hartman | 9f33d05 | 2009-08-19 16:26:24 -0700 | [diff] [blame] | 97 | static void RndisFilterReceiveResponse(RNDIS_DEVICE *Device, |
| 98 | struct rndis_message *Response); |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 99 | |
Greg Kroah-Hartman | 9f33d05 | 2009-08-19 16:26:24 -0700 | [diff] [blame] | 100 | static void RndisFilterReceiveIndicateStatus(RNDIS_DEVICE *Device, |
| 101 | struct rndis_message *Response); |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 102 | |
Greg Kroah-Hartman | 9f33d05 | 2009-08-19 16:26:24 -0700 | [diff] [blame] | 103 | static void RndisFilterReceiveData(RNDIS_DEVICE *Device, |
| 104 | struct rndis_message *Message, |
| 105 | struct hv_netvsc_packet *Packet); |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 106 | |
Greg Kroah-Hartman | 9f33d05 | 2009-08-19 16:26:24 -0700 | [diff] [blame] | 107 | static int RndisFilterOnReceive( |
Nicolas Palix | 3d3b551 | 2009-07-28 17:32:53 +0200 | [diff] [blame] | 108 | struct hv_device *Device, |
Nicolas Palix | 4193d4f | 2009-07-29 14:10:10 +0200 | [diff] [blame] | 109 | struct hv_netvsc_packet *Packet |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 110 | ); |
| 111 | |
| 112 | static int |
| 113 | RndisFilterQueryDevice( |
| 114 | RNDIS_DEVICE *Device, |
Greg Kroah-Hartman | 4d64311 | 2009-07-14 15:09:36 -0700 | [diff] [blame] | 115 | u32 Oid, |
Greg Kroah-Hartman | e20f683 | 2009-07-14 15:07:21 -0700 | [diff] [blame] | 116 | void *Result, |
Greg Kroah-Hartman | 4d64311 | 2009-07-14 15:09:36 -0700 | [diff] [blame] | 117 | u32 *ResultSize |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 118 | ); |
| 119 | |
| 120 | static inline int |
| 121 | RndisFilterQueryDeviceMac( |
| 122 | RNDIS_DEVICE *Device |
| 123 | ); |
| 124 | |
| 125 | static inline int |
| 126 | RndisFilterQueryDeviceLinkStatus( |
| 127 | RNDIS_DEVICE *Device |
| 128 | ); |
| 129 | |
| 130 | static int |
| 131 | RndisFilterSetPacketFilter( |
| 132 | RNDIS_DEVICE *Device, |
Greg Kroah-Hartman | 4d64311 | 2009-07-14 15:09:36 -0700 | [diff] [blame] | 133 | u32 NewFilter |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 134 | ); |
| 135 | |
| 136 | static int |
| 137 | RndisFilterInitDevice( |
| 138 | RNDIS_DEVICE *Device |
| 139 | ); |
| 140 | |
| 141 | static int |
| 142 | RndisFilterOpenDevice( |
| 143 | RNDIS_DEVICE *Device |
| 144 | ); |
| 145 | |
| 146 | static int |
| 147 | RndisFilterCloseDevice( |
| 148 | RNDIS_DEVICE *Device |
| 149 | ); |
| 150 | |
| 151 | static int |
| 152 | RndisFilterOnDeviceAdd( |
Nicolas Palix | 3d3b551 | 2009-07-28 17:32:53 +0200 | [diff] [blame] | 153 | struct hv_device *Device, |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 154 | void *AdditionalInfo |
| 155 | ); |
| 156 | |
| 157 | static int |
| 158 | RndisFilterOnDeviceRemove( |
Nicolas Palix | 3d3b551 | 2009-07-28 17:32:53 +0200 | [diff] [blame] | 159 | struct hv_device *Device |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 160 | ); |
| 161 | |
| 162 | static void |
| 163 | RndisFilterOnCleanup( |
Nicolas Palix | 775ef25 | 2009-07-29 14:09:45 +0200 | [diff] [blame] | 164 | struct hv_driver *Driver |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 165 | ); |
| 166 | |
| 167 | static int |
| 168 | RndisFilterOnOpen( |
Nicolas Palix | 3d3b551 | 2009-07-28 17:32:53 +0200 | [diff] [blame] | 169 | struct hv_device *Device |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 170 | ); |
| 171 | |
| 172 | static int |
| 173 | RndisFilterOnClose( |
Nicolas Palix | 3d3b551 | 2009-07-28 17:32:53 +0200 | [diff] [blame] | 174 | struct hv_device *Device |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 175 | ); |
| 176 | |
| 177 | static int |
| 178 | RndisFilterOnSend( |
Nicolas Palix | 3d3b551 | 2009-07-28 17:32:53 +0200 | [diff] [blame] | 179 | struct hv_device *Device, |
Nicolas Palix | 4193d4f | 2009-07-29 14:10:10 +0200 | [diff] [blame] | 180 | struct hv_netvsc_packet *Packet |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 181 | ); |
| 182 | |
| 183 | static void |
| 184 | RndisFilterOnSendCompletion( |
| 185 | void *Context |
| 186 | ); |
| 187 | |
| 188 | static void |
| 189 | RndisFilterOnSendRequestCompletion( |
| 190 | void *Context |
| 191 | ); |
| 192 | |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 193 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 194 | /* Global var */ |
| 195 | |
| 196 | |
| 197 | /* The one and only */ |
Greg Kroah-Hartman | bd1de70 | 2009-07-29 09:04:51 -0700 | [diff] [blame] | 198 | static RNDIS_FILTER_DRIVER_OBJECT gRndisFilter; |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 199 | |
| 200 | static inline RNDIS_DEVICE* GetRndisDevice(void) |
| 201 | { |
| 202 | RNDIS_DEVICE *device; |
| 203 | |
Greg Kroah-Hartman | e276a3a | 2009-07-15 12:47:43 -0700 | [diff] [blame] | 204 | device = kzalloc(sizeof(RNDIS_DEVICE), GFP_KERNEL); |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 205 | if (!device) |
| 206 | { |
| 207 | return NULL; |
| 208 | } |
| 209 | |
Greg Kroah-Hartman | 880fb89 | 2009-07-15 14:55:29 -0700 | [diff] [blame] | 210 | spin_lock_init(&device->request_lock); |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 211 | |
| 212 | INITIALIZE_LIST_HEAD(&device->RequestList); |
| 213 | |
| 214 | device->State = RNDIS_DEV_UNINITIALIZED; |
| 215 | |
| 216 | return device; |
| 217 | } |
| 218 | |
| 219 | static inline void PutRndisDevice(RNDIS_DEVICE *Device) |
| 220 | { |
Greg Kroah-Hartman | 8c69f52 | 2009-07-15 12:48:29 -0700 | [diff] [blame] | 221 | kfree(Device); |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 222 | } |
| 223 | |
Greg Kroah-Hartman | 4d64311 | 2009-07-14 15:09:36 -0700 | [diff] [blame] | 224 | static inline RNDIS_REQUEST* GetRndisRequest(RNDIS_DEVICE *Device, u32 MessageType, u32 MessageLength) |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 225 | { |
| 226 | RNDIS_REQUEST *request; |
Greg Kroah-Hartman | 9f33d05 | 2009-08-19 16:26:24 -0700 | [diff] [blame] | 227 | struct rndis_message *rndisMessage; |
| 228 | struct rndis_set_request *set; |
Greg Kroah-Hartman | 880fb89 | 2009-07-15 14:55:29 -0700 | [diff] [blame] | 229 | unsigned long flags; |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 230 | |
Greg Kroah-Hartman | e276a3a | 2009-07-15 12:47:43 -0700 | [diff] [blame] | 231 | request = kzalloc(sizeof(RNDIS_REQUEST), GFP_KERNEL); |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 232 | if (!request) |
| 233 | { |
| 234 | return NULL; |
| 235 | } |
| 236 | |
Greg Kroah-Hartman | bfc30aa | 2009-07-29 15:40:18 -0700 | [diff] [blame] | 237 | request->WaitEvent = osd_WaitEventCreate(); |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 238 | if (!request->WaitEvent) |
| 239 | { |
Greg Kroah-Hartman | 8c69f52 | 2009-07-15 12:48:29 -0700 | [diff] [blame] | 240 | kfree(request); |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 241 | return NULL; |
| 242 | } |
| 243 | |
| 244 | rndisMessage = &request->RequestMessage; |
| 245 | rndisMessage->NdisMessageType = MessageType; |
| 246 | rndisMessage->MessageLength = MessageLength; |
| 247 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 248 | /* Set the request id. This field is always after the rndis header for request/response packet types so */ |
| 249 | /* we just used the SetRequest as a template */ |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 250 | set = &rndisMessage->Message.SetRequest; |
Bill Pemberton | f488841 | 2009-07-29 17:00:12 -0400 | [diff] [blame] | 251 | set->RequestId = atomic_inc_return(&Device->NewRequestId); |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 252 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 253 | /* Add to the request list */ |
Greg Kroah-Hartman | 880fb89 | 2009-07-15 14:55:29 -0700 | [diff] [blame] | 254 | spin_lock_irqsave(&Device->request_lock, flags); |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 255 | INSERT_TAIL_LIST(&Device->RequestList, &request->ListEntry); |
Greg Kroah-Hartman | 880fb89 | 2009-07-15 14:55:29 -0700 | [diff] [blame] | 256 | spin_unlock_irqrestore(&Device->request_lock, flags); |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 257 | |
| 258 | return request; |
| 259 | } |
| 260 | |
| 261 | static inline void PutRndisRequest(RNDIS_DEVICE *Device, RNDIS_REQUEST *Request) |
| 262 | { |
Greg Kroah-Hartman | 880fb89 | 2009-07-15 14:55:29 -0700 | [diff] [blame] | 263 | unsigned long flags; |
| 264 | |
| 265 | spin_lock_irqsave(&Device->request_lock, flags); |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 266 | REMOVE_ENTRY_LIST(&Request->ListEntry); |
Greg Kroah-Hartman | 880fb89 | 2009-07-15 14:55:29 -0700 | [diff] [blame] | 267 | spin_unlock_irqrestore(&Device->request_lock, flags); |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 268 | |
Bill Pemberton | 420beac | 2009-07-29 17:00:10 -0400 | [diff] [blame] | 269 | kfree(Request->WaitEvent); |
Greg Kroah-Hartman | 8c69f52 | 2009-07-15 12:48:29 -0700 | [diff] [blame] | 270 | kfree(Request); |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 271 | } |
| 272 | |
Greg Kroah-Hartman | 9f33d05 | 2009-08-19 16:26:24 -0700 | [diff] [blame] | 273 | static inline void DumpRndisMessage(struct rndis_message *RndisMessage) |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 274 | { |
| 275 | switch (RndisMessage->NdisMessageType) |
| 276 | { |
| 277 | case REMOTE_NDIS_PACKET_MSG: |
| 278 | DPRINT_DBG(NETVSC, "REMOTE_NDIS_PACKET_MSG (len %u, data offset %u data len %u, # oob %u, oob offset %u, oob len %u, pkt offset %u, pkt len %u", |
| 279 | RndisMessage->MessageLength, |
| 280 | RndisMessage->Message.Packet.DataOffset, |
| 281 | RndisMessage->Message.Packet.DataLength, |
| 282 | RndisMessage->Message.Packet.NumOOBDataElements, |
| 283 | RndisMessage->Message.Packet.OOBDataOffset, |
| 284 | RndisMessage->Message.Packet.OOBDataLength, |
| 285 | RndisMessage->Message.Packet.PerPacketInfoOffset, |
| 286 | RndisMessage->Message.Packet.PerPacketInfoLength); |
| 287 | break; |
| 288 | |
| 289 | case REMOTE_NDIS_INITIALIZE_CMPLT: |
| 290 | DPRINT_DBG(NETVSC, "REMOTE_NDIS_INITIALIZE_CMPLT (len %u, id 0x%x, status 0x%x, major %d, minor %d, device flags %d, max xfer size 0x%x, max pkts %u, pkt aligned %u)", |
| 291 | RndisMessage->MessageLength, |
| 292 | RndisMessage->Message.InitializeComplete.RequestId, |
| 293 | RndisMessage->Message.InitializeComplete.Status, |
| 294 | RndisMessage->Message.InitializeComplete.MajorVersion, |
| 295 | RndisMessage->Message.InitializeComplete.MinorVersion, |
| 296 | RndisMessage->Message.InitializeComplete.DeviceFlags, |
| 297 | RndisMessage->Message.InitializeComplete.MaxTransferSize, |
| 298 | RndisMessage->Message.InitializeComplete.MaxPacketsPerMessage, |
| 299 | RndisMessage->Message.InitializeComplete.PacketAlignmentFactor); |
| 300 | break; |
| 301 | |
| 302 | case REMOTE_NDIS_QUERY_CMPLT: |
| 303 | DPRINT_DBG(NETVSC, "REMOTE_NDIS_QUERY_CMPLT (len %u, id 0x%x, status 0x%x, buf len %u, buf offset %u)", |
| 304 | RndisMessage->MessageLength, |
| 305 | RndisMessage->Message.QueryComplete.RequestId, |
| 306 | RndisMessage->Message.QueryComplete.Status, |
| 307 | RndisMessage->Message.QueryComplete.InformationBufferLength, |
| 308 | RndisMessage->Message.QueryComplete.InformationBufferOffset); |
| 309 | break; |
| 310 | |
| 311 | case REMOTE_NDIS_SET_CMPLT: |
| 312 | DPRINT_DBG(NETVSC, "REMOTE_NDIS_SET_CMPLT (len %u, id 0x%x, status 0x%x)", |
| 313 | RndisMessage->MessageLength, |
| 314 | RndisMessage->Message.SetComplete.RequestId, |
| 315 | RndisMessage->Message.SetComplete.Status); |
| 316 | break; |
| 317 | |
| 318 | case REMOTE_NDIS_INDICATE_STATUS_MSG: |
| 319 | DPRINT_DBG(NETVSC, "REMOTE_NDIS_INDICATE_STATUS_MSG (len %u, status 0x%x, buf len %u, buf offset %u)", |
| 320 | RndisMessage->MessageLength, |
| 321 | RndisMessage->Message.IndicateStatus.Status, |
| 322 | RndisMessage->Message.IndicateStatus.StatusBufferLength, |
| 323 | RndisMessage->Message.IndicateStatus.StatusBufferOffset); |
| 324 | break; |
| 325 | |
| 326 | default: |
| 327 | DPRINT_DBG(NETVSC, "0x%x (len %u)", |
| 328 | RndisMessage->NdisMessageType, |
| 329 | RndisMessage->MessageLength); |
| 330 | break; |
| 331 | } |
| 332 | } |
| 333 | |
| 334 | static int |
| 335 | RndisFilterSendRequest( |
| 336 | RNDIS_DEVICE *Device, |
| 337 | RNDIS_REQUEST *Request |
| 338 | ) |
| 339 | { |
| 340 | int ret=0; |
Nicolas Palix | 4193d4f | 2009-07-29 14:10:10 +0200 | [diff] [blame] | 341 | struct hv_netvsc_packet *packet; |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 342 | |
| 343 | DPRINT_ENTER(NETVSC); |
| 344 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 345 | /* Setup the packet to send it */ |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 346 | packet = &Request->Packet; |
| 347 | |
Greg Kroah-Hartman | 0e72761 | 2009-07-15 12:46:44 -0700 | [diff] [blame] | 348 | packet->IsDataPacket = false; |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 349 | packet->TotalDataBufferLength = Request->RequestMessage.MessageLength; |
| 350 | packet->PageBufferCount = 1; |
| 351 | |
Greg Kroah-Hartman | fa56d36 | 2009-07-29 15:39:27 -0700 | [diff] [blame] | 352 | packet->PageBuffers[0].Pfn = virt_to_phys(&Request->RequestMessage) >> PAGE_SHIFT; |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 353 | packet->PageBuffers[0].Length = Request->RequestMessage.MessageLength; |
Greg Kroah-Hartman | c4b0bc9 | 2009-07-14 15:12:46 -0700 | [diff] [blame] | 354 | packet->PageBuffers[0].Offset = (unsigned long)&Request->RequestMessage & (PAGE_SIZE -1); |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 355 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 356 | packet->Completion.Send.SendCompletionContext = Request;/* packet; */ |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 357 | packet->Completion.Send.OnSendCompletion = RndisFilterOnSendRequestCompletion; |
Greg Kroah-Hartman | c4b0bc9 | 2009-07-14 15:12:46 -0700 | [diff] [blame] | 358 | packet->Completion.Send.SendCompletionTid = (unsigned long)Device; |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 359 | |
| 360 | ret = gRndisFilter.InnerDriver.OnSend(Device->NetDevice->Device, packet); |
| 361 | DPRINT_EXIT(NETVSC); |
| 362 | return ret; |
| 363 | } |
| 364 | |
| 365 | |
Greg Kroah-Hartman | 9f33d05 | 2009-08-19 16:26:24 -0700 | [diff] [blame] | 366 | static void RndisFilterReceiveResponse(RNDIS_DEVICE *Device, |
| 367 | struct rndis_message *Response) |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 368 | { |
| 369 | LIST_ENTRY *anchor; |
| 370 | LIST_ENTRY *curr; |
| 371 | RNDIS_REQUEST *request=NULL; |
Greg Kroah-Hartman | 0e72761 | 2009-07-15 12:46:44 -0700 | [diff] [blame] | 372 | bool found = false; |
Greg Kroah-Hartman | 880fb89 | 2009-07-15 14:55:29 -0700 | [diff] [blame] | 373 | unsigned long flags; |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 374 | |
| 375 | DPRINT_ENTER(NETVSC); |
| 376 | |
Greg Kroah-Hartman | 880fb89 | 2009-07-15 14:55:29 -0700 | [diff] [blame] | 377 | spin_lock_irqsave(&Device->request_lock, flags); |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 378 | ITERATE_LIST_ENTRIES(anchor, curr, &Device->RequestList) |
| 379 | { |
| 380 | request = CONTAINING_RECORD(curr, RNDIS_REQUEST, ListEntry); |
| 381 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 382 | /* All request/response message contains RequestId as the 1st field */ |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 383 | if (request->RequestMessage.Message.InitializeRequest.RequestId == Response->Message.InitializeComplete.RequestId) |
| 384 | { |
| 385 | DPRINT_DBG(NETVSC, "found rndis request for this response (id 0x%x req type 0x%x res type 0x%x)", |
| 386 | request->RequestMessage.Message.InitializeRequest.RequestId, request->RequestMessage.NdisMessageType, Response->NdisMessageType); |
| 387 | |
Greg Kroah-Hartman | 0e72761 | 2009-07-15 12:46:44 -0700 | [diff] [blame] | 388 | found = true; |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 389 | break; |
| 390 | } |
| 391 | } |
Greg Kroah-Hartman | 880fb89 | 2009-07-15 14:55:29 -0700 | [diff] [blame] | 392 | spin_unlock_irqrestore(&Device->request_lock, flags); |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 393 | |
| 394 | if (found) |
| 395 | { |
Greg Kroah-Hartman | 9f33d05 | 2009-08-19 16:26:24 -0700 | [diff] [blame] | 396 | if (Response->MessageLength <= sizeof(struct rndis_message)) |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 397 | { |
| 398 | memcpy(&request->ResponseMessage, Response, Response->MessageLength); |
| 399 | } |
| 400 | else |
| 401 | { |
Greg Kroah-Hartman | b7d7ae6 | 2009-07-28 16:18:05 -0700 | [diff] [blame] | 402 | DPRINT_ERR(NETVSC, "rndis response buffer overflow detected (size %u max %zu)", Response->MessageLength, sizeof(RNDIS_FILTER_PACKET)); |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 403 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 404 | if (Response->NdisMessageType == REMOTE_NDIS_RESET_CMPLT) /* does not have a request id field */ |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 405 | { |
| 406 | request->ResponseMessage.Message.ResetComplete.Status = STATUS_BUFFER_OVERFLOW; |
| 407 | } |
| 408 | else |
| 409 | { |
| 410 | request->ResponseMessage.Message.InitializeComplete.Status = STATUS_BUFFER_OVERFLOW; |
| 411 | } |
| 412 | } |
| 413 | |
Greg Kroah-Hartman | bfc30aa | 2009-07-29 15:40:18 -0700 | [diff] [blame] | 414 | osd_WaitEventSet(request->WaitEvent); |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 415 | } |
| 416 | else |
| 417 | { |
| 418 | DPRINT_ERR(NETVSC, "no rndis request found for this response (id 0x%x res type 0x%x)", |
| 419 | Response->Message.InitializeComplete.RequestId, Response->NdisMessageType); |
| 420 | } |
| 421 | |
| 422 | DPRINT_EXIT(NETVSC); |
| 423 | } |
| 424 | |
Greg Kroah-Hartman | 9f33d05 | 2009-08-19 16:26:24 -0700 | [diff] [blame] | 425 | static void RndisFilterReceiveIndicateStatus(RNDIS_DEVICE *Device, |
| 426 | struct rndis_message *Response) |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 427 | { |
Greg Kroah-Hartman | 9f33d05 | 2009-08-19 16:26:24 -0700 | [diff] [blame] | 428 | struct rndis_indicate_status *indicate = &Response->Message.IndicateStatus; |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 429 | |
| 430 | if (indicate->Status == RNDIS_STATUS_MEDIA_CONNECT) |
| 431 | { |
| 432 | gRndisFilter.InnerDriver.OnLinkStatusChanged(Device->NetDevice->Device, 1); |
| 433 | } |
| 434 | else if (indicate->Status == RNDIS_STATUS_MEDIA_DISCONNECT) |
| 435 | { |
| 436 | gRndisFilter.InnerDriver.OnLinkStatusChanged(Device->NetDevice->Device, 0); |
| 437 | } |
| 438 | else |
| 439 | { |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 440 | /* TODO: */ |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 441 | } |
| 442 | } |
| 443 | |
Greg Kroah-Hartman | 9f33d05 | 2009-08-19 16:26:24 -0700 | [diff] [blame] | 444 | static void RndisFilterReceiveData(RNDIS_DEVICE *Device, |
| 445 | struct rndis_message *Message, |
| 446 | struct hv_netvsc_packet *Packet) |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 447 | { |
Greg Kroah-Hartman | 9f33d05 | 2009-08-19 16:26:24 -0700 | [diff] [blame] | 448 | struct rndis_packet *rndisPacket; |
Greg Kroah-Hartman | 4d64311 | 2009-07-14 15:09:36 -0700 | [diff] [blame] | 449 | u32 dataOffset; |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 450 | |
| 451 | DPRINT_ENTER(NETVSC); |
| 452 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 453 | /* empty ethernet frame ?? */ |
Greg Kroah-Hartman | 9f33d05 | 2009-08-19 16:26:24 -0700 | [diff] [blame] | 454 | ASSERT(Packet->PageBuffers[0].Length > RNDIS_MESSAGE_SIZE(struct rndis_packet)); |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 455 | |
| 456 | rndisPacket = &Message->Message.Packet; |
| 457 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 458 | /* FIXME: Handle multiple rndis pkt msgs that maybe enclosed in this */ |
| 459 | /* netvsc packet (ie TotalDataBufferLength != MessageLength) */ |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 460 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 461 | /* Remove the rndis header and pass it back up the stack */ |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 462 | dataOffset = RNDIS_HEADER_SIZE + rndisPacket->DataOffset; |
| 463 | |
| 464 | Packet->TotalDataBufferLength -= dataOffset; |
| 465 | Packet->PageBuffers[0].Offset += dataOffset; |
| 466 | Packet->PageBuffers[0].Length -= dataOffset; |
| 467 | |
Greg Kroah-Hartman | 0e72761 | 2009-07-15 12:46:44 -0700 | [diff] [blame] | 468 | Packet->IsDataPacket = true; |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 469 | |
| 470 | gRndisFilter.InnerDriver.OnReceiveCallback(Device->NetDevice->Device, Packet); |
| 471 | |
| 472 | DPRINT_EXIT(NETVSC); |
| 473 | } |
| 474 | |
| 475 | static int |
| 476 | RndisFilterOnReceive( |
Nicolas Palix | 3d3b551 | 2009-07-28 17:32:53 +0200 | [diff] [blame] | 477 | struct hv_device *Device, |
Nicolas Palix | 4193d4f | 2009-07-29 14:10:10 +0200 | [diff] [blame] | 478 | struct hv_netvsc_packet *Packet |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 479 | ) |
| 480 | { |
Bill Pemberton | d1af1db7 | 2009-07-27 16:47:44 -0400 | [diff] [blame] | 481 | struct NETVSC_DEVICE *netDevice = (struct NETVSC_DEVICE*)Device->Extension; |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 482 | RNDIS_DEVICE *rndisDevice; |
Greg Kroah-Hartman | 9f33d05 | 2009-08-19 16:26:24 -0700 | [diff] [blame] | 483 | struct rndis_message rndisMessage; |
| 484 | struct rndis_message *rndisHeader; |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 485 | |
| 486 | DPRINT_ENTER(NETVSC); |
| 487 | |
| 488 | ASSERT(netDevice); |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 489 | /* Make sure the rndis device state is initialized */ |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 490 | if (!netDevice->Extension) |
| 491 | { |
| 492 | DPRINT_ERR(NETVSC, "got rndis message but no rndis device...dropping this message!"); |
| 493 | DPRINT_EXIT(NETVSC); |
| 494 | return -1; |
| 495 | } |
| 496 | |
| 497 | rndisDevice = (RNDIS_DEVICE*)netDevice->Extension; |
| 498 | if (rndisDevice->State == RNDIS_DEV_UNINITIALIZED) |
| 499 | { |
| 500 | DPRINT_ERR(NETVSC, "got rndis message but rndis device uninitialized...dropping this message!"); |
| 501 | DPRINT_EXIT(NETVSC); |
| 502 | return -1; |
| 503 | } |
| 504 | |
Greg Kroah-Hartman | 9f33d05 | 2009-08-19 16:26:24 -0700 | [diff] [blame] | 505 | rndisHeader = (struct rndis_message *)kmap_atomic(pfn_to_page(Packet->PageBuffers[0].Pfn), KM_IRQ0); |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 506 | |
Greg Kroah-Hartman | c4b0bc9 | 2009-07-14 15:12:46 -0700 | [diff] [blame] | 507 | rndisHeader = (void*)((unsigned long)rndisHeader + Packet->PageBuffers[0].Offset); |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 508 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 509 | /* Make sure we got a valid rndis message */ |
| 510 | /* FIXME: There seems to be a bug in set completion msg where its MessageLength is 16 bytes but */ |
| 511 | /* the ByteCount field in the xfer page range shows 52 bytes */ |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 512 | #if 0 |
| 513 | if ( Packet->TotalDataBufferLength != rndisHeader->MessageLength ) |
| 514 | { |
Bill Pemberton | 45da89e | 2009-07-29 17:00:15 -0400 | [diff] [blame] | 515 | kunmap_atomic(rndisHeader - Packet->PageBuffers[0].Offset, KM_IRQ0); |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 516 | |
| 517 | DPRINT_ERR(NETVSC, "invalid rndis message? (expected %u bytes got %u)...dropping this message!", |
| 518 | rndisHeader->MessageLength, Packet->TotalDataBufferLength); |
| 519 | DPRINT_EXIT(NETVSC); |
| 520 | return -1; |
| 521 | } |
| 522 | #endif |
| 523 | |
Greg Kroah-Hartman | 9f33d05 | 2009-08-19 16:26:24 -0700 | [diff] [blame] | 524 | if ((rndisHeader->NdisMessageType != REMOTE_NDIS_PACKET_MSG) && (rndisHeader->MessageLength > sizeof(struct rndis_message))) |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 525 | { |
Greg Kroah-Hartman | b7d7ae6 | 2009-07-28 16:18:05 -0700 | [diff] [blame] | 526 | DPRINT_ERR(NETVSC, "incoming rndis message buffer overflow detected (got %u, max %zu)...marking it an error!", |
Greg Kroah-Hartman | 9f33d05 | 2009-08-19 16:26:24 -0700 | [diff] [blame] | 527 | rndisHeader->MessageLength, sizeof(struct rndis_message)); |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 528 | } |
| 529 | |
Greg Kroah-Hartman | 9f33d05 | 2009-08-19 16:26:24 -0700 | [diff] [blame] | 530 | memcpy(&rndisMessage, rndisHeader, (rndisHeader->MessageLength > sizeof(struct rndis_message))?sizeof(struct rndis_message):rndisHeader->MessageLength); |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 531 | |
Bill Pemberton | 45da89e | 2009-07-29 17:00:15 -0400 | [diff] [blame] | 532 | kunmap_atomic(rndisHeader - Packet->PageBuffers[0].Offset, KM_IRQ0); |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 533 | |
| 534 | DumpRndisMessage(&rndisMessage); |
| 535 | |
| 536 | switch (rndisMessage.NdisMessageType) |
| 537 | { |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 538 | /* data msg */ |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 539 | case REMOTE_NDIS_PACKET_MSG: |
| 540 | RndisFilterReceiveData(rndisDevice, &rndisMessage, Packet); |
| 541 | break; |
| 542 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 543 | /* completion msgs */ |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 544 | case REMOTE_NDIS_INITIALIZE_CMPLT: |
| 545 | case REMOTE_NDIS_QUERY_CMPLT: |
| 546 | case REMOTE_NDIS_SET_CMPLT: |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 547 | /* case REMOTE_NDIS_RESET_CMPLT: */ |
| 548 | /* case REMOTE_NDIS_KEEPALIVE_CMPLT: */ |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 549 | RndisFilterReceiveResponse(rndisDevice, &rndisMessage); |
| 550 | break; |
| 551 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 552 | /* notification msgs */ |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 553 | case REMOTE_NDIS_INDICATE_STATUS_MSG: |
| 554 | RndisFilterReceiveIndicateStatus(rndisDevice, &rndisMessage); |
| 555 | break; |
| 556 | default: |
| 557 | DPRINT_ERR(NETVSC, "unhandled rndis message (type %u len %u)", rndisMessage.NdisMessageType, rndisMessage.MessageLength); |
| 558 | break; |
| 559 | } |
| 560 | |
| 561 | DPRINT_EXIT(NETVSC); |
| 562 | return 0; |
| 563 | } |
| 564 | |
| 565 | |
| 566 | static int |
| 567 | RndisFilterQueryDevice( |
| 568 | RNDIS_DEVICE *Device, |
Greg Kroah-Hartman | 4d64311 | 2009-07-14 15:09:36 -0700 | [diff] [blame] | 569 | u32 Oid, |
Greg Kroah-Hartman | e20f683 | 2009-07-14 15:07:21 -0700 | [diff] [blame] | 570 | void *Result, |
Greg Kroah-Hartman | 4d64311 | 2009-07-14 15:09:36 -0700 | [diff] [blame] | 571 | u32 *ResultSize |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 572 | ) |
| 573 | { |
| 574 | RNDIS_REQUEST *request; |
Greg Kroah-Hartman | 4d64311 | 2009-07-14 15:09:36 -0700 | [diff] [blame] | 575 | u32 inresultSize = *ResultSize; |
Greg Kroah-Hartman | 9f33d05 | 2009-08-19 16:26:24 -0700 | [diff] [blame] | 576 | struct rndis_query_request *query; |
| 577 | struct rndis_query_complete *queryComplete; |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 578 | int ret=0; |
| 579 | |
| 580 | DPRINT_ENTER(NETVSC); |
| 581 | |
| 582 | ASSERT(Result); |
| 583 | |
| 584 | *ResultSize = 0; |
Greg Kroah-Hartman | 9f33d05 | 2009-08-19 16:26:24 -0700 | [diff] [blame] | 585 | request = GetRndisRequest(Device, REMOTE_NDIS_QUERY_MSG, RNDIS_MESSAGE_SIZE(struct rndis_query_request)); |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 586 | if (!request) |
| 587 | { |
| 588 | ret = -1; |
| 589 | goto Cleanup; |
| 590 | } |
| 591 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 592 | /* Setup the rndis query */ |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 593 | query = &request->RequestMessage.Message.QueryRequest; |
| 594 | query->Oid = Oid; |
Greg Kroah-Hartman | 9f33d05 | 2009-08-19 16:26:24 -0700 | [diff] [blame] | 595 | query->InformationBufferOffset = sizeof(struct rndis_query_request); |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 596 | query->InformationBufferLength = 0; |
| 597 | query->DeviceVcHandle = 0; |
| 598 | |
| 599 | ret = RndisFilterSendRequest(Device, request); |
| 600 | if (ret != 0) |
| 601 | { |
| 602 | goto Cleanup; |
| 603 | } |
| 604 | |
Greg Kroah-Hartman | bfc30aa | 2009-07-29 15:40:18 -0700 | [diff] [blame] | 605 | osd_WaitEventWait(request->WaitEvent); |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 606 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 607 | /* Copy the response back */ |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 608 | queryComplete = &request->ResponseMessage.Message.QueryComplete; |
| 609 | |
| 610 | if (queryComplete->InformationBufferLength > inresultSize) |
| 611 | { |
| 612 | ret = -1; |
| 613 | goto Cleanup; |
| 614 | } |
| 615 | |
| 616 | memcpy(Result, |
Greg Kroah-Hartman | c4b0bc9 | 2009-07-14 15:12:46 -0700 | [diff] [blame] | 617 | (void*)((unsigned long)queryComplete + queryComplete->InformationBufferOffset), |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 618 | queryComplete->InformationBufferLength); |
| 619 | |
| 620 | *ResultSize = queryComplete->InformationBufferLength; |
| 621 | |
| 622 | Cleanup: |
| 623 | if (request) |
| 624 | { |
| 625 | PutRndisRequest(Device, request); |
| 626 | } |
| 627 | DPRINT_EXIT(NETVSC); |
| 628 | |
| 629 | return ret; |
| 630 | } |
| 631 | |
| 632 | static inline int |
| 633 | RndisFilterQueryDeviceMac( |
| 634 | RNDIS_DEVICE *Device |
| 635 | ) |
| 636 | { |
Greg Kroah-Hartman | 4d64311 | 2009-07-14 15:09:36 -0700 | [diff] [blame] | 637 | u32 size=HW_MACADDR_LEN; |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 638 | |
| 639 | return RndisFilterQueryDevice(Device, |
| 640 | RNDIS_OID_802_3_PERMANENT_ADDRESS, |
| 641 | Device->HwMacAddr, |
| 642 | &size); |
| 643 | } |
| 644 | |
| 645 | static inline int |
| 646 | RndisFilterQueryDeviceLinkStatus( |
| 647 | RNDIS_DEVICE *Device |
| 648 | ) |
| 649 | { |
Greg Kroah-Hartman | 4d64311 | 2009-07-14 15:09:36 -0700 | [diff] [blame] | 650 | u32 size=sizeof(u32); |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 651 | |
| 652 | return RndisFilterQueryDevice(Device, |
| 653 | RNDIS_OID_GEN_MEDIA_CONNECT_STATUS, |
| 654 | &Device->LinkStatus, |
| 655 | &size); |
| 656 | } |
| 657 | |
| 658 | static int |
| 659 | RndisFilterSetPacketFilter( |
| 660 | RNDIS_DEVICE *Device, |
Greg Kroah-Hartman | 4d64311 | 2009-07-14 15:09:36 -0700 | [diff] [blame] | 661 | u32 NewFilter |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 662 | ) |
| 663 | { |
| 664 | RNDIS_REQUEST *request; |
Greg Kroah-Hartman | 9f33d05 | 2009-08-19 16:26:24 -0700 | [diff] [blame] | 665 | struct rndis_set_request *set; |
| 666 | struct rndis_set_complete *setComplete; |
Greg Kroah-Hartman | 4d64311 | 2009-07-14 15:09:36 -0700 | [diff] [blame] | 667 | u32 status; |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 668 | int ret; |
| 669 | |
| 670 | DPRINT_ENTER(NETVSC); |
| 671 | |
Greg Kroah-Hartman | 9f33d05 | 2009-08-19 16:26:24 -0700 | [diff] [blame] | 672 | ASSERT(RNDIS_MESSAGE_SIZE(struct rndis_set_request) + sizeof(u32) <= sizeof(struct rndis_message)); |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 673 | |
Greg Kroah-Hartman | 9f33d05 | 2009-08-19 16:26:24 -0700 | [diff] [blame] | 674 | request = GetRndisRequest(Device, REMOTE_NDIS_SET_MSG, RNDIS_MESSAGE_SIZE(struct rndis_set_request) + sizeof(u32)); |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 675 | if (!request) |
| 676 | { |
| 677 | ret = -1; |
| 678 | goto Cleanup; |
| 679 | } |
| 680 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 681 | /* Setup the rndis set */ |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 682 | set = &request->RequestMessage.Message.SetRequest; |
| 683 | set->Oid = RNDIS_OID_GEN_CURRENT_PACKET_FILTER; |
Greg Kroah-Hartman | 4d64311 | 2009-07-14 15:09:36 -0700 | [diff] [blame] | 684 | set->InformationBufferLength = sizeof(u32); |
Greg Kroah-Hartman | 9f33d05 | 2009-08-19 16:26:24 -0700 | [diff] [blame] | 685 | set->InformationBufferOffset = sizeof(struct rndis_set_request); |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 686 | |
Greg Kroah-Hartman | 9f33d05 | 2009-08-19 16:26:24 -0700 | [diff] [blame] | 687 | memcpy((void*)(unsigned long)set + sizeof(struct rndis_set_request), &NewFilter, sizeof(u32)); |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 688 | |
| 689 | ret = RndisFilterSendRequest(Device, request); |
| 690 | if (ret != 0) |
| 691 | { |
| 692 | goto Cleanup; |
| 693 | } |
| 694 | |
Greg Kroah-Hartman | bfc30aa | 2009-07-29 15:40:18 -0700 | [diff] [blame] | 695 | ret = osd_WaitEventWaitEx(request->WaitEvent, 2000/*2sec*/); |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 696 | if (!ret) |
| 697 | { |
| 698 | ret = -1; |
| 699 | DPRINT_ERR(NETVSC, "timeout before we got a set response..."); |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 700 | /* We cant deallocate the request since we may still receive a send completion for it. */ |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 701 | goto Exit; |
| 702 | } |
| 703 | else |
| 704 | { |
| 705 | if (ret > 0) |
| 706 | { |
| 707 | ret = 0; |
| 708 | } |
| 709 | setComplete = &request->ResponseMessage.Message.SetComplete; |
| 710 | status = setComplete->Status; |
| 711 | } |
| 712 | |
| 713 | Cleanup: |
| 714 | if (request) |
| 715 | { |
| 716 | PutRndisRequest(Device, request); |
| 717 | } |
| 718 | Exit: |
| 719 | DPRINT_EXIT(NETVSC); |
| 720 | |
| 721 | return ret; |
| 722 | } |
| 723 | |
Greg Kroah-Hartman | 7e23a6e | 2009-08-27 15:58:15 -0700 | [diff] [blame^] | 724 | int RndisFilterInit(struct netvsc_driver *Driver) |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 725 | { |
| 726 | DPRINT_ENTER(NETVSC); |
| 727 | |
Greg Kroah-Hartman | b7d7ae6 | 2009-07-28 16:18:05 -0700 | [diff] [blame] | 728 | DPRINT_DBG(NETVSC, "sizeof(RNDIS_FILTER_PACKET) == %zd", sizeof(RNDIS_FILTER_PACKET)); |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 729 | |
| 730 | Driver->RequestExtSize = sizeof(RNDIS_FILTER_PACKET); |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 731 | Driver->AdditionalRequestPageBufferCount = 1; /* For rndis header */ |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 732 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 733 | /* Driver->Context = rndisDriver; */ |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 734 | |
| 735 | memset(&gRndisFilter, 0, sizeof(RNDIS_FILTER_DRIVER_OBJECT)); |
| 736 | |
| 737 | /*rndisDriver->Driver = Driver; |
| 738 | |
| 739 | ASSERT(Driver->OnLinkStatusChanged); |
| 740 | rndisDriver->OnLinkStatusChanged = Driver->OnLinkStatusChanged;*/ |
| 741 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 742 | /* Save the original dispatch handlers before we override it */ |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 743 | gRndisFilter.InnerDriver.Base.OnDeviceAdd = Driver->Base.OnDeviceAdd; |
| 744 | gRndisFilter.InnerDriver.Base.OnDeviceRemove = Driver->Base.OnDeviceRemove; |
| 745 | gRndisFilter.InnerDriver.Base.OnCleanup = Driver->Base.OnCleanup; |
| 746 | |
| 747 | ASSERT(Driver->OnSend); |
| 748 | ASSERT(Driver->OnReceiveCallback); |
| 749 | gRndisFilter.InnerDriver.OnSend = Driver->OnSend; |
| 750 | gRndisFilter.InnerDriver.OnReceiveCallback = Driver->OnReceiveCallback; |
| 751 | gRndisFilter.InnerDriver.OnLinkStatusChanged = Driver->OnLinkStatusChanged; |
| 752 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 753 | /* Override */ |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 754 | Driver->Base.OnDeviceAdd = RndisFilterOnDeviceAdd; |
| 755 | Driver->Base.OnDeviceRemove = RndisFilterOnDeviceRemove; |
| 756 | Driver->Base.OnCleanup = RndisFilterOnCleanup; |
| 757 | Driver->OnSend = RndisFilterOnSend; |
| 758 | Driver->OnOpen = RndisFilterOnOpen; |
| 759 | Driver->OnClose = RndisFilterOnClose; |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 760 | /* Driver->QueryLinkStatus = RndisFilterQueryDeviceLinkStatus; */ |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 761 | Driver->OnReceiveCallback = RndisFilterOnReceive; |
| 762 | |
| 763 | DPRINT_EXIT(NETVSC); |
| 764 | |
| 765 | return 0; |
| 766 | } |
| 767 | |
| 768 | static int |
| 769 | RndisFilterInitDevice( |
| 770 | RNDIS_DEVICE *Device |
| 771 | ) |
| 772 | { |
| 773 | RNDIS_REQUEST *request; |
Greg Kroah-Hartman | 9f33d05 | 2009-08-19 16:26:24 -0700 | [diff] [blame] | 774 | struct rndis_initialize_request *init; |
| 775 | struct rndis_initialize_complete *initComplete; |
Greg Kroah-Hartman | 4d64311 | 2009-07-14 15:09:36 -0700 | [diff] [blame] | 776 | u32 status; |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 777 | int ret; |
| 778 | |
| 779 | DPRINT_ENTER(NETVSC); |
| 780 | |
Greg Kroah-Hartman | 9f33d05 | 2009-08-19 16:26:24 -0700 | [diff] [blame] | 781 | request = GetRndisRequest(Device, REMOTE_NDIS_INITIALIZE_MSG, RNDIS_MESSAGE_SIZE(struct rndis_initialize_request)); |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 782 | if (!request) |
| 783 | { |
| 784 | ret = -1; |
| 785 | goto Cleanup; |
| 786 | } |
| 787 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 788 | /* Setup the rndis set */ |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 789 | init = &request->RequestMessage.Message.InitializeRequest; |
| 790 | init->MajorVersion = RNDIS_MAJOR_VERSION; |
| 791 | init->MinorVersion = RNDIS_MINOR_VERSION; |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 792 | init->MaxTransferSize = 2048; /* FIXME: Use 1536 - rounded ethernet frame size */ |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 793 | |
| 794 | Device->State = RNDIS_DEV_INITIALIZING; |
| 795 | |
| 796 | ret = RndisFilterSendRequest(Device, request); |
| 797 | if (ret != 0) |
| 798 | { |
| 799 | Device->State = RNDIS_DEV_UNINITIALIZED; |
| 800 | goto Cleanup; |
| 801 | } |
| 802 | |
Greg Kroah-Hartman | bfc30aa | 2009-07-29 15:40:18 -0700 | [diff] [blame] | 803 | osd_WaitEventWait(request->WaitEvent); |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 804 | |
| 805 | initComplete = &request->ResponseMessage.Message.InitializeComplete; |
| 806 | status = initComplete->Status; |
| 807 | if (status == RNDIS_STATUS_SUCCESS) |
| 808 | { |
| 809 | Device->State = RNDIS_DEV_INITIALIZED; |
| 810 | ret = 0; |
| 811 | } |
| 812 | else |
| 813 | { |
| 814 | Device->State = RNDIS_DEV_UNINITIALIZED; |
| 815 | ret = -1; |
| 816 | } |
| 817 | |
| 818 | Cleanup: |
| 819 | if (request) |
| 820 | { |
| 821 | PutRndisRequest(Device, request); |
| 822 | } |
| 823 | DPRINT_EXIT(NETVSC); |
| 824 | |
| 825 | return ret; |
| 826 | } |
| 827 | |
| 828 | static void |
| 829 | RndisFilterHaltDevice( |
| 830 | RNDIS_DEVICE *Device |
| 831 | ) |
| 832 | { |
| 833 | RNDIS_REQUEST *request; |
Greg Kroah-Hartman | 9f33d05 | 2009-08-19 16:26:24 -0700 | [diff] [blame] | 834 | struct rndis_halt_request *halt; |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 835 | |
| 836 | DPRINT_ENTER(NETVSC); |
| 837 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 838 | /* Attempt to do a rndis device halt */ |
Greg Kroah-Hartman | 9f33d05 | 2009-08-19 16:26:24 -0700 | [diff] [blame] | 839 | request = GetRndisRequest(Device, REMOTE_NDIS_HALT_MSG, RNDIS_MESSAGE_SIZE(struct rndis_halt_request)); |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 840 | if (!request) |
| 841 | { |
| 842 | goto Cleanup; |
| 843 | } |
| 844 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 845 | /* Setup the rndis set */ |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 846 | halt = &request->RequestMessage.Message.HaltRequest; |
Bill Pemberton | f488841 | 2009-07-29 17:00:12 -0400 | [diff] [blame] | 847 | halt->RequestId = atomic_inc_return(&Device->NewRequestId); |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 848 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 849 | /* Ignore return since this msg is optional. */ |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 850 | RndisFilterSendRequest(Device, request); |
| 851 | |
| 852 | Device->State = RNDIS_DEV_UNINITIALIZED; |
| 853 | |
| 854 | Cleanup: |
| 855 | if (request) |
| 856 | { |
| 857 | PutRndisRequest(Device, request); |
| 858 | } |
| 859 | DPRINT_EXIT(NETVSC); |
| 860 | return; |
| 861 | } |
| 862 | |
| 863 | |
| 864 | static int |
| 865 | RndisFilterOpenDevice( |
| 866 | RNDIS_DEVICE *Device |
| 867 | ) |
| 868 | { |
| 869 | int ret=0; |
| 870 | |
| 871 | DPRINT_ENTER(NETVSC); |
| 872 | |
| 873 | if (Device->State != RNDIS_DEV_INITIALIZED) |
| 874 | return 0; |
| 875 | |
| 876 | ret = RndisFilterSetPacketFilter(Device, NDIS_PACKET_TYPE_BROADCAST|NDIS_PACKET_TYPE_DIRECTED); |
| 877 | if (ret == 0) |
| 878 | { |
| 879 | Device->State = RNDIS_DEV_DATAINITIALIZED; |
| 880 | } |
| 881 | |
| 882 | DPRINT_EXIT(NETVSC); |
| 883 | return ret; |
| 884 | } |
| 885 | |
| 886 | static int |
| 887 | RndisFilterCloseDevice( |
| 888 | RNDIS_DEVICE *Device |
| 889 | ) |
| 890 | { |
| 891 | int ret; |
| 892 | |
| 893 | DPRINT_ENTER(NETVSC); |
| 894 | |
| 895 | if (Device->State != RNDIS_DEV_DATAINITIALIZED) |
| 896 | return 0; |
| 897 | |
| 898 | ret = RndisFilterSetPacketFilter(Device, 0); |
| 899 | if (ret == 0) |
| 900 | { |
| 901 | Device->State = RNDIS_DEV_INITIALIZED; |
| 902 | } |
| 903 | |
| 904 | DPRINT_EXIT(NETVSC); |
| 905 | |
| 906 | return ret; |
| 907 | } |
| 908 | |
| 909 | |
Greg Kroah-Hartman | bd1de70 | 2009-07-29 09:04:51 -0700 | [diff] [blame] | 910 | static int |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 911 | RndisFilterOnDeviceAdd( |
Nicolas Palix | 3d3b551 | 2009-07-28 17:32:53 +0200 | [diff] [blame] | 912 | struct hv_device *Device, |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 913 | void *AdditionalInfo |
| 914 | ) |
| 915 | { |
| 916 | int ret; |
Bill Pemberton | d1af1db7 | 2009-07-27 16:47:44 -0400 | [diff] [blame] | 917 | struct NETVSC_DEVICE *netDevice; |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 918 | RNDIS_DEVICE *rndisDevice; |
Greg Kroah-Hartman | 7e23a6e | 2009-08-27 15:58:15 -0700 | [diff] [blame^] | 919 | struct netvsc_device_info *deviceInfo = (struct netvsc_device_info *)AdditionalInfo; |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 920 | |
| 921 | DPRINT_ENTER(NETVSC); |
| 922 | |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 923 | rndisDevice = GetRndisDevice(); |
| 924 | if (!rndisDevice) |
| 925 | { |
| 926 | DPRINT_EXIT(NETVSC); |
| 927 | return -1; |
| 928 | } |
| 929 | |
| 930 | DPRINT_DBG(NETVSC, "rndis device object allocated - %p", rndisDevice); |
| 931 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 932 | /* Let the inner driver handle this first to create the netvsc channel */ |
| 933 | /* NOTE! Once the channel is created, we may get a receive callback */ |
| 934 | /* (RndisFilterOnReceive()) before this call is completed */ |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 935 | ret = gRndisFilter.InnerDriver.Base.OnDeviceAdd(Device, AdditionalInfo); |
| 936 | if (ret != 0) |
| 937 | { |
| 938 | PutRndisDevice(rndisDevice); |
| 939 | DPRINT_EXIT(NETVSC); |
| 940 | return ret; |
| 941 | } |
| 942 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 943 | |
| 944 | /* Initialize the rndis device */ |
| 945 | |
Bill Pemberton | d1af1db7 | 2009-07-27 16:47:44 -0400 | [diff] [blame] | 946 | netDevice = (struct NETVSC_DEVICE*)Device->Extension; |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 947 | ASSERT(netDevice); |
| 948 | ASSERT(netDevice->Device); |
| 949 | |
| 950 | netDevice->Extension = rndisDevice; |
| 951 | rndisDevice->NetDevice = netDevice; |
| 952 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 953 | /* Send the rndis initialization message */ |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 954 | ret = RndisFilterInitDevice(rndisDevice); |
| 955 | if (ret != 0) |
| 956 | { |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 957 | /* TODO: If rndis init failed, we will need to shut down the channel */ |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 958 | } |
| 959 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 960 | /* Get the mac address */ |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 961 | ret = RndisFilterQueryDeviceMac(rndisDevice); |
| 962 | if (ret != 0) |
| 963 | { |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 964 | /* TODO: shutdown rndis device and the channel */ |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 965 | } |
| 966 | |
| 967 | DPRINT_INFO(NETVSC, "Device 0x%p mac addr %02x%02x%02x%02x%02x%02x", |
| 968 | rndisDevice, |
| 969 | rndisDevice->HwMacAddr[0], |
| 970 | rndisDevice->HwMacAddr[1], |
| 971 | rndisDevice->HwMacAddr[2], |
| 972 | rndisDevice->HwMacAddr[3], |
| 973 | rndisDevice->HwMacAddr[4], |
| 974 | rndisDevice->HwMacAddr[5]); |
| 975 | |
| 976 | memcpy(deviceInfo->MacAddr, rndisDevice->HwMacAddr, HW_MACADDR_LEN); |
| 977 | |
| 978 | RndisFilterQueryDeviceLinkStatus(rndisDevice); |
| 979 | |
| 980 | deviceInfo->LinkState = rndisDevice->LinkStatus; |
| 981 | DPRINT_INFO(NETVSC, "Device 0x%p link state %s", rndisDevice, ((deviceInfo->LinkState)?("down"):("up"))); |
| 982 | |
| 983 | DPRINT_EXIT(NETVSC); |
| 984 | |
| 985 | return ret; |
| 986 | } |
| 987 | |
| 988 | |
| 989 | static int |
| 990 | RndisFilterOnDeviceRemove( |
Nicolas Palix | 3d3b551 | 2009-07-28 17:32:53 +0200 | [diff] [blame] | 991 | struct hv_device *Device |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 992 | ) |
| 993 | { |
Bill Pemberton | d1af1db7 | 2009-07-27 16:47:44 -0400 | [diff] [blame] | 994 | struct NETVSC_DEVICE *netDevice = (struct NETVSC_DEVICE*)Device->Extension; |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 995 | RNDIS_DEVICE *rndisDevice = (RNDIS_DEVICE*)netDevice->Extension; |
| 996 | |
| 997 | DPRINT_ENTER(NETVSC); |
| 998 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 999 | /* Halt and release the rndis device */ |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 1000 | RndisFilterHaltDevice(rndisDevice); |
| 1001 | |
| 1002 | PutRndisDevice(rndisDevice); |
| 1003 | netDevice->Extension = NULL; |
| 1004 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 1005 | /* Pass control to inner driver to remove the device */ |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 1006 | gRndisFilter.InnerDriver.Base.OnDeviceRemove(Device); |
| 1007 | |
| 1008 | DPRINT_EXIT(NETVSC); |
| 1009 | |
| 1010 | return 0; |
| 1011 | } |
| 1012 | |
| 1013 | |
| 1014 | static void |
| 1015 | RndisFilterOnCleanup( |
Nicolas Palix | 775ef25 | 2009-07-29 14:09:45 +0200 | [diff] [blame] | 1016 | struct hv_driver *Driver |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 1017 | ) |
| 1018 | { |
| 1019 | DPRINT_ENTER(NETVSC); |
| 1020 | |
| 1021 | DPRINT_EXIT(NETVSC); |
| 1022 | } |
| 1023 | |
| 1024 | static int |
| 1025 | RndisFilterOnOpen( |
Nicolas Palix | 3d3b551 | 2009-07-28 17:32:53 +0200 | [diff] [blame] | 1026 | struct hv_device *Device |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 1027 | ) |
| 1028 | { |
| 1029 | int ret; |
Bill Pemberton | d1af1db7 | 2009-07-27 16:47:44 -0400 | [diff] [blame] | 1030 | struct NETVSC_DEVICE *netDevice = (struct NETVSC_DEVICE*)Device->Extension; |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 1031 | |
| 1032 | DPRINT_ENTER(NETVSC); |
| 1033 | |
| 1034 | ASSERT(netDevice); |
| 1035 | ret = RndisFilterOpenDevice((RNDIS_DEVICE*)netDevice->Extension); |
| 1036 | |
| 1037 | DPRINT_EXIT(NETVSC); |
| 1038 | |
| 1039 | return ret; |
| 1040 | } |
| 1041 | |
| 1042 | static int |
| 1043 | RndisFilterOnClose( |
Nicolas Palix | 3d3b551 | 2009-07-28 17:32:53 +0200 | [diff] [blame] | 1044 | struct hv_device *Device |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 1045 | ) |
| 1046 | { |
| 1047 | int ret; |
Bill Pemberton | d1af1db7 | 2009-07-27 16:47:44 -0400 | [diff] [blame] | 1048 | struct NETVSC_DEVICE *netDevice = (struct NETVSC_DEVICE*)Device->Extension; |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 1049 | |
| 1050 | DPRINT_ENTER(NETVSC); |
| 1051 | |
| 1052 | ASSERT(netDevice); |
| 1053 | ret = RndisFilterCloseDevice((RNDIS_DEVICE*)netDevice->Extension); |
| 1054 | |
| 1055 | DPRINT_EXIT(NETVSC); |
| 1056 | |
| 1057 | return ret; |
| 1058 | } |
| 1059 | |
| 1060 | |
| 1061 | static int |
| 1062 | RndisFilterOnSend( |
Nicolas Palix | 3d3b551 | 2009-07-28 17:32:53 +0200 | [diff] [blame] | 1063 | struct hv_device *Device, |
Nicolas Palix | 4193d4f | 2009-07-29 14:10:10 +0200 | [diff] [blame] | 1064 | struct hv_netvsc_packet *Packet |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 1065 | ) |
| 1066 | { |
| 1067 | int ret=0; |
| 1068 | RNDIS_FILTER_PACKET *filterPacket; |
Greg Kroah-Hartman | 9f33d05 | 2009-08-19 16:26:24 -0700 | [diff] [blame] | 1069 | struct rndis_message *rndisMessage; |
| 1070 | struct rndis_packet *rndisPacket; |
Greg Kroah-Hartman | 4d64311 | 2009-07-14 15:09:36 -0700 | [diff] [blame] | 1071 | u32 rndisMessageSize; |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 1072 | |
| 1073 | DPRINT_ENTER(NETVSC); |
| 1074 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 1075 | /* Add the rndis header */ |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 1076 | filterPacket = (RNDIS_FILTER_PACKET*)Packet->Extension; |
| 1077 | ASSERT(filterPacket); |
| 1078 | |
| 1079 | memset(filterPacket, 0, sizeof(RNDIS_FILTER_PACKET)); |
| 1080 | |
| 1081 | rndisMessage = &filterPacket->Message; |
Greg Kroah-Hartman | 9f33d05 | 2009-08-19 16:26:24 -0700 | [diff] [blame] | 1082 | rndisMessageSize = RNDIS_MESSAGE_SIZE(struct rndis_packet); |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 1083 | |
| 1084 | rndisMessage->NdisMessageType = REMOTE_NDIS_PACKET_MSG; |
| 1085 | rndisMessage->MessageLength = Packet->TotalDataBufferLength + rndisMessageSize; |
| 1086 | |
| 1087 | rndisPacket = &rndisMessage->Message.Packet; |
Greg Kroah-Hartman | 9f33d05 | 2009-08-19 16:26:24 -0700 | [diff] [blame] | 1088 | rndisPacket->DataOffset = sizeof(struct rndis_packet); |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 1089 | rndisPacket->DataLength = Packet->TotalDataBufferLength; |
| 1090 | |
Greg Kroah-Hartman | 0e72761 | 2009-07-15 12:46:44 -0700 | [diff] [blame] | 1091 | Packet->IsDataPacket = true; |
Greg Kroah-Hartman | fa56d36 | 2009-07-29 15:39:27 -0700 | [diff] [blame] | 1092 | Packet->PageBuffers[0].Pfn = virt_to_phys(rndisMessage) >> PAGE_SHIFT; |
Greg Kroah-Hartman | c4b0bc9 | 2009-07-14 15:12:46 -0700 | [diff] [blame] | 1093 | Packet->PageBuffers[0].Offset = (unsigned long)rndisMessage & (PAGE_SIZE-1); |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 1094 | Packet->PageBuffers[0].Length = rndisMessageSize; |
| 1095 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 1096 | /* Save the packet send completion and context */ |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 1097 | filterPacket->OnCompletion = Packet->Completion.Send.OnSendCompletion; |
| 1098 | filterPacket->CompletionContext = Packet->Completion.Send.SendCompletionContext; |
| 1099 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 1100 | /* Use ours */ |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 1101 | Packet->Completion.Send.OnSendCompletion = RndisFilterOnSendCompletion; |
| 1102 | Packet->Completion.Send.SendCompletionContext = filterPacket; |
| 1103 | |
| 1104 | ret = gRndisFilter.InnerDriver.OnSend(Device, Packet); |
| 1105 | if (ret != 0) |
| 1106 | { |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 1107 | /* Reset the completion to originals to allow retries from above */ |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 1108 | Packet->Completion.Send.OnSendCompletion = filterPacket->OnCompletion; |
| 1109 | Packet->Completion.Send.SendCompletionContext = filterPacket->CompletionContext; |
| 1110 | } |
| 1111 | |
| 1112 | DPRINT_EXIT(NETVSC); |
| 1113 | |
| 1114 | return ret; |
| 1115 | } |
| 1116 | |
| 1117 | static void |
| 1118 | RndisFilterOnSendCompletion( |
| 1119 | void *Context) |
| 1120 | { |
| 1121 | RNDIS_FILTER_PACKET *filterPacket = (RNDIS_FILTER_PACKET *)Context; |
| 1122 | |
| 1123 | DPRINT_ENTER(NETVSC); |
| 1124 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 1125 | /* Pass it back to the original handler */ |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 1126 | filterPacket->OnCompletion(filterPacket->CompletionContext); |
| 1127 | |
| 1128 | DPRINT_EXIT(NETVSC); |
| 1129 | } |
| 1130 | |
| 1131 | |
| 1132 | static void |
| 1133 | RndisFilterOnSendRequestCompletion( |
| 1134 | void *Context |
| 1135 | ) |
| 1136 | { |
| 1137 | DPRINT_ENTER(NETVSC); |
| 1138 | |
Bill Pemberton | 454f18a | 2009-07-27 16:47:24 -0400 | [diff] [blame] | 1139 | /* Noop */ |
Hank Janssen | fceaf24 | 2009-07-13 15:34:54 -0700 | [diff] [blame] | 1140 | DPRINT_EXIT(NETVSC); |
| 1141 | } |