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878ddf1f | 1 | /*++\r |
2 | Copyright (c) 2006, Intel Corporation \r | |
3 | All rights reserved. This program and the accompanying materials \r | |
4 | are licensed and made available under the terms and conditions of the BSD License \r | |
5 | which accompanies this distribution. The full text of the license may be found at \r | |
6 | http://opensource.org/licenses/bsd-license.php \r | |
7 | \r | |
8 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
9 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
10 | \r | |
11 | Module name:\r | |
12 | receive_filters.c\r | |
13 | \r | |
14 | Abstract:\r | |
15 | \r | |
16 | Revision history:\r | |
17 | 2000-Feb-17 M(f)J Genesis.\r | |
18 | --*/\r | |
19 | \r | |
20 | \r | |
4cbd855e | 21 | #include "Snp.h"\r |
878ddf1f | 22 | \r |
23 | EFI_STATUS\r | |
24 | pxe_rcvfilter_enable (\r | |
25 | SNP_DRIVER *snp,\r | |
26 | UINT32 EnableFlags,\r | |
27 | UINTN MCastAddressCount,\r | |
28 | EFI_MAC_ADDRESS *MCastAddressList\r | |
29 | )\r | |
30 | /*++\r | |
31 | \r | |
32 | Routine Description:\r | |
33 | this routine calls undi to enable the receive filters.\r | |
34 | \r | |
35 | Arguments:\r | |
36 | snp - pointer to snp driver structure\r | |
37 | EnableFlags - bit mask for enabling the receive filters\r | |
38 | MCastAddressCount - multicast address count for a new multicast address list\r | |
39 | MCastAddressList - list of new multicast addresses\r | |
40 | \r | |
41 | Returns:\r | |
42 | \r | |
43 | --*/\r | |
44 | {\r | |
45 | snp->cdb.OpCode = PXE_OPCODE_RECEIVE_FILTERS;\r | |
46 | snp->cdb.OpFlags = PXE_OPFLAGS_RECEIVE_FILTER_ENABLE;\r | |
47 | snp->cdb.CPBsize = PXE_CPBSIZE_NOT_USED;\r | |
48 | snp->cdb.DBsize = PXE_DBSIZE_NOT_USED;\r | |
49 | snp->cdb.CPBaddr = PXE_CPBADDR_NOT_USED;\r | |
50 | snp->cdb.DBaddr = PXE_DBADDR_NOT_USED;\r | |
51 | snp->cdb.StatCode = PXE_STATCODE_INITIALIZE;\r | |
52 | snp->cdb.StatFlags = PXE_STATFLAGS_INITIALIZE;\r | |
53 | snp->cdb.IFnum = snp->if_num;\r | |
54 | snp->cdb.Control = PXE_CONTROL_LAST_CDB_IN_LIST;\r | |
55 | \r | |
56 | if ((EnableFlags & EFI_SIMPLE_NETWORK_RECEIVE_UNICAST) != 0) {\r | |
57 | snp->cdb.OpFlags |= PXE_OPFLAGS_RECEIVE_FILTER_UNICAST;\r | |
58 | }\r | |
59 | \r | |
60 | if ((EnableFlags & EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST) != 0) {\r | |
61 | snp->cdb.OpFlags |= PXE_OPFLAGS_RECEIVE_FILTER_BROADCAST;\r | |
62 | }\r | |
63 | \r | |
64 | if ((EnableFlags & EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS) != 0) {\r | |
65 | snp->cdb.OpFlags |= PXE_OPFLAGS_RECEIVE_FILTER_PROMISCUOUS;\r | |
66 | }\r | |
67 | \r | |
68 | if ((EnableFlags & EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST) != 0) {\r | |
69 | snp->cdb.OpFlags |= PXE_OPFLAGS_RECEIVE_FILTER_ALL_MULTICAST;\r | |
70 | }\r | |
71 | \r | |
72 | if ((EnableFlags & EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST) != 0) {\r | |
73 | snp->cdb.OpFlags |= PXE_OPFLAGS_RECEIVE_FILTER_FILTERED_MULTICAST;\r | |
74 | }\r | |
75 | \r | |
76 | if (MCastAddressCount != 0) {\r | |
77 | snp->cdb.CPBsize = (UINT16) (MCastAddressCount * sizeof (EFI_MAC_ADDRESS));\r | |
78 | snp->cdb.CPBaddr = (UINT64) (UINTN) snp->cpb;\r | |
79 | CopyMem (snp->cpb, MCastAddressList, snp->cdb.CPBsize);\r | |
80 | }\r | |
81 | //\r | |
82 | // Issue UNDI command and check result.\r | |
83 | //\r | |
84 | DEBUG ((EFI_D_NET, "\nsnp->undi.receive_filters() "));\r | |
85 | \r | |
86 | (*snp->issue_undi32_command) ((UINT64) (UINTN) &snp->cdb);\r | |
87 | \r | |
88 | if (snp->cdb.StatCode != EFI_SUCCESS) {\r | |
89 | //\r | |
90 | // UNDI command failed. Return UNDI status to caller.\r | |
91 | //\r | |
92 | DEBUG (\r | |
93 | (EFI_D_ERROR,\r | |
94 | "\nsnp->undi.receive_filters() %xh:%xh\n",\r | |
95 | snp->cdb.StatFlags,\r | |
96 | snp->cdb.StatCode)\r | |
97 | );\r | |
98 | \r | |
99 | switch (snp->cdb.StatCode) {\r | |
100 | case PXE_STATCODE_INVALID_CDB:\r | |
101 | case PXE_STATCODE_INVALID_CPB:\r | |
102 | case PXE_STATCODE_INVALID_PARAMETER:\r | |
103 | return EFI_INVALID_PARAMETER;\r | |
104 | \r | |
105 | case PXE_STATCODE_UNSUPPORTED:\r | |
106 | return EFI_UNSUPPORTED;\r | |
107 | }\r | |
108 | \r | |
109 | return EFI_DEVICE_ERROR;\r | |
110 | }\r | |
111 | \r | |
112 | return EFI_SUCCESS;\r | |
113 | }\r | |
114 | \r | |
115 | EFI_STATUS\r | |
116 | pxe_rcvfilter_disable (\r | |
117 | SNP_DRIVER *snp,\r | |
118 | UINT32 DisableFlags,\r | |
119 | BOOLEAN ResetMCastList\r | |
120 | )\r | |
121 | /*++\r | |
122 | \r | |
123 | Routine Description:\r | |
124 | this routine calls undi to disable the receive filters.\r | |
125 | \r | |
126 | Arguments:\r | |
127 | snp - pointer to snp driver structure\r | |
128 | DisableFlags - bit mask for disabling the receive filters\r | |
129 | ResetMCastList - boolean flag to reset/delete the multicast filter list\r | |
130 | \r | |
131 | Returns:\r | |
132 | \r | |
133 | --*/\r | |
134 | {\r | |
135 | snp->cdb.OpCode = PXE_OPCODE_RECEIVE_FILTERS;\r | |
136 | snp->cdb.CPBsize = PXE_CPBSIZE_NOT_USED;\r | |
137 | snp->cdb.DBsize = PXE_DBSIZE_NOT_USED;\r | |
138 | snp->cdb.CPBaddr = PXE_CPBADDR_NOT_USED;\r | |
139 | snp->cdb.DBaddr = PXE_DBADDR_NOT_USED;\r | |
140 | snp->cdb.StatCode = PXE_STATCODE_INITIALIZE;\r | |
141 | snp->cdb.StatFlags = PXE_STATFLAGS_INITIALIZE;\r | |
142 | snp->cdb.IFnum = snp->if_num;\r | |
143 | snp->cdb.Control = PXE_CONTROL_LAST_CDB_IN_LIST;\r | |
144 | \r | |
145 | snp->cdb.OpFlags = (UINT16) (DisableFlags ? PXE_OPFLAGS_RECEIVE_FILTER_DISABLE : PXE_OPFLAGS_NOT_USED);\r | |
146 | \r | |
147 | if (ResetMCastList) {\r | |
148 | snp->cdb.OpFlags |= PXE_OPFLAGS_RECEIVE_FILTER_RESET_MCAST_LIST;\r | |
149 | }\r | |
150 | \r | |
151 | if ((DisableFlags & EFI_SIMPLE_NETWORK_RECEIVE_UNICAST) != 0) {\r | |
152 | snp->cdb.OpFlags |= PXE_OPFLAGS_RECEIVE_FILTER_UNICAST;\r | |
153 | }\r | |
154 | \r | |
155 | if ((DisableFlags & EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST) != 0) {\r | |
156 | snp->cdb.OpFlags |= PXE_OPFLAGS_RECEIVE_FILTER_BROADCAST;\r | |
157 | }\r | |
158 | \r | |
159 | if ((DisableFlags & EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS) != 0) {\r | |
160 | snp->cdb.OpFlags |= PXE_OPFLAGS_RECEIVE_FILTER_PROMISCUOUS;\r | |
161 | }\r | |
162 | \r | |
163 | if ((DisableFlags & EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST) != 0) {\r | |
164 | snp->cdb.OpFlags |= PXE_OPFLAGS_RECEIVE_FILTER_ALL_MULTICAST;\r | |
165 | }\r | |
166 | \r | |
167 | if ((DisableFlags & EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST) != 0) {\r | |
168 | snp->cdb.OpFlags |= PXE_OPFLAGS_RECEIVE_FILTER_FILTERED_MULTICAST;\r | |
169 | }\r | |
170 | //\r | |
171 | // Issue UNDI command and check result.\r | |
172 | //\r | |
173 | DEBUG ((EFI_D_NET, "\nsnp->undi.receive_filters() "));\r | |
174 | \r | |
175 | (*snp->issue_undi32_command) ((UINT64) (UINTN) &snp->cdb);\r | |
176 | \r | |
177 | if (snp->cdb.StatCode != EFI_SUCCESS) {\r | |
178 | //\r | |
179 | // UNDI command failed. Return UNDI status to caller.\r | |
180 | //\r | |
181 | DEBUG (\r | |
182 | (EFI_D_ERROR,\r | |
183 | "\nsnp->undi.receive_filters() %xh:%xh\n",\r | |
184 | snp->cdb.StatFlags,\r | |
185 | snp->cdb.StatCode)\r | |
186 | );\r | |
187 | \r | |
188 | return EFI_DEVICE_ERROR;\r | |
189 | }\r | |
190 | \r | |
191 | return EFI_SUCCESS;\r | |
192 | }\r | |
193 | \r | |
194 | EFI_STATUS\r | |
195 | pxe_rcvfilter_read (\r | |
196 | SNP_DRIVER *snp\r | |
197 | )\r | |
198 | /*++\r | |
199 | \r | |
200 | Routine Description:\r | |
201 | this routine calls undi to read the receive filters.\r | |
202 | \r | |
203 | Arguments:\r | |
204 | snp - pointer to snp driver structure\r | |
205 | \r | |
206 | Returns:\r | |
207 | \r | |
208 | --*/\r | |
209 | {\r | |
210 | snp->cdb.OpCode = PXE_OPCODE_RECEIVE_FILTERS;\r | |
211 | snp->cdb.OpFlags = PXE_OPFLAGS_RECEIVE_FILTER_READ;\r | |
212 | snp->cdb.CPBsize = PXE_CPBSIZE_NOT_USED;\r | |
213 | snp->cdb.DBsize = (UINT16) (snp->mode.MaxMCastFilterCount * sizeof (EFI_MAC_ADDRESS));\r | |
214 | snp->cdb.CPBaddr = PXE_CPBADDR_NOT_USED;\r | |
215 | if (snp->cdb.DBsize == 0) {\r | |
216 | snp->cdb.DBaddr = (UINT64) NULL;\r | |
217 | } else {\r | |
218 | snp->cdb.DBaddr = (UINT64) (UINTN) snp->db;\r | |
219 | ZeroMem (snp->db, snp->cdb.DBsize);\r | |
220 | }\r | |
221 | \r | |
222 | snp->cdb.StatCode = PXE_STATCODE_INITIALIZE;\r | |
223 | snp->cdb.StatFlags = PXE_STATFLAGS_INITIALIZE;\r | |
224 | snp->cdb.IFnum = snp->if_num;\r | |
225 | snp->cdb.Control = PXE_CONTROL_LAST_CDB_IN_LIST;\r | |
226 | \r | |
227 | DEBUG ((EFI_D_NET, "\nsnp->undi.receive_filters() "));\r | |
228 | \r | |
229 | (*snp->issue_undi32_command) ((UINT64) (UINTN) &snp->cdb);\r | |
230 | \r | |
231 | if (snp->cdb.StatCode != EFI_SUCCESS) {\r | |
232 | //\r | |
233 | // UNDI command failed. Return UNDI status to caller.\r | |
234 | //\r | |
235 | DEBUG (\r | |
236 | (EFI_D_ERROR,\r | |
237 | "\nsnp->undi.receive_filters() %xh:%xh\n",\r | |
238 | snp->cdb.StatFlags,\r | |
239 | snp->cdb.StatCode)\r | |
240 | );\r | |
241 | \r | |
242 | return EFI_DEVICE_ERROR;\r | |
243 | }\r | |
244 | //\r | |
245 | // Convert UNDI32 StatFlags to EFI SNP filter flags.\r | |
246 | //\r | |
247 | snp->mode.ReceiveFilterSetting = 0;\r | |
248 | \r | |
249 | if ((snp->cdb.StatFlags & PXE_STATFLAGS_RECEIVE_FILTER_UNICAST) != 0) {\r | |
250 | snp->mode.ReceiveFilterSetting |= EFI_SIMPLE_NETWORK_RECEIVE_UNICAST;\r | |
251 | }\r | |
252 | \r | |
253 | if ((snp->cdb.StatFlags & PXE_STATFLAGS_RECEIVE_FILTER_BROADCAST) != 0) {\r | |
254 | snp->mode.ReceiveFilterSetting |= EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST;\r | |
255 | }\r | |
256 | \r | |
257 | if ((snp->cdb.StatFlags & PXE_STATFLAGS_RECEIVE_FILTER_PROMISCUOUS) != 0) {\r | |
258 | snp->mode.ReceiveFilterSetting |= EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS;\r | |
259 | }\r | |
260 | \r | |
261 | if ((snp->cdb.StatFlags & PXE_STATFLAGS_RECEIVE_FILTER_ALL_MULTICAST) != 0) {\r | |
262 | snp->mode.ReceiveFilterSetting |= EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST;\r | |
263 | }\r | |
264 | \r | |
265 | if ((snp->cdb.StatFlags & PXE_STATFLAGS_RECEIVE_FILTER_FILTERED_MULTICAST) != 0) {\r | |
266 | snp->mode.ReceiveFilterSetting |= EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST;\r | |
267 | }\r | |
268 | \r | |
269 | CopyMem (snp->mode.MCastFilter, snp->db, snp->cdb.DBsize);\r | |
270 | \r | |
271 | //\r | |
272 | // Count number of active entries in multicast filter list.\r | |
273 | //\r | |
274 | {\r | |
275 | EFI_MAC_ADDRESS ZeroMacAddr;\r | |
276 | \r | |
277 | SetMem (&ZeroMacAddr, sizeof ZeroMacAddr, 0);\r | |
278 | \r | |
279 | for (snp->mode.MCastFilterCount = 0;\r | |
280 | snp->mode.MCastFilterCount < snp->mode.MaxMCastFilterCount;\r | |
281 | snp->mode.MCastFilterCount++\r | |
282 | ) {\r | |
283 | if (CompareMem (\r | |
284 | &snp->mode.MCastFilter[snp->mode.MCastFilterCount],\r | |
285 | &ZeroMacAddr,\r | |
286 | sizeof ZeroMacAddr\r | |
287 | ) == 0) {\r | |
288 | break;\r | |
289 | }\r | |
290 | }\r | |
291 | }\r | |
292 | \r | |
293 | return EFI_SUCCESS;\r | |
294 | }\r | |
295 | \r | |
296 | EFI_STATUS\r | |
297 | EFIAPI\r | |
298 | snp_undi32_receive_filters (\r | |
299 | IN EFI_SIMPLE_NETWORK_PROTOCOL * this,\r | |
300 | IN UINT32 EnableFlags,\r | |
301 | IN UINT32 DisableFlags,\r | |
302 | IN BOOLEAN ResetMCastList,\r | |
303 | IN UINTN MCastAddressCount OPTIONAL,\r | |
304 | IN EFI_MAC_ADDRESS * MCastAddressList OPTIONAL\r | |
305 | )\r | |
306 | /*++\r | |
307 | \r | |
308 | Routine Description:\r | |
309 | This is the SNP interface routine for reading/enabling/disabling the\r | |
310 | receive filters.\r | |
311 | This routine basically retrieves snp structure, checks the SNP state and\r | |
312 | checks the parameter validity, calls one of the above routines to actually\r | |
313 | do the work\r | |
314 | \r | |
315 | Arguments:\r | |
316 | this - context pointer\r | |
317 | EnableFlags - bit mask for enabling the receive filters\r | |
318 | DisableFlags - bit mask for disabling the receive filters\r | |
319 | ResetMCastList - boolean flag to reset/delete the multicast filter list\r | |
320 | MCastAddressCount - multicast address count for a new multicast address list\r | |
321 | MCastAddressList - list of new multicast addresses\r | |
322 | \r | |
323 | Returns:\r | |
324 | \r | |
325 | --*/\r | |
326 | {\r | |
327 | SNP_DRIVER *snp;\r | |
328 | EFI_STATUS Status;\r | |
329 | \r | |
330 | if (this == NULL) {\r | |
331 | return EFI_INVALID_PARAMETER;\r | |
332 | }\r | |
333 | \r | |
334 | snp = EFI_SIMPLE_NETWORK_DEV_FROM_THIS (this);\r | |
335 | \r | |
336 | if (snp == NULL) {\r | |
337 | return EFI_DEVICE_ERROR;\r | |
338 | }\r | |
339 | \r | |
340 | switch (snp->mode.State) {\r | |
341 | case EfiSimpleNetworkInitialized:\r | |
342 | break;\r | |
343 | \r | |
344 | case EfiSimpleNetworkStopped:\r | |
345 | return EFI_NOT_STARTED;\r | |
346 | \r | |
347 | case EfiSimpleNetworkStarted:\r | |
348 | return EFI_DEVICE_ERROR;\r | |
349 | \r | |
350 | default:\r | |
351 | return EFI_DEVICE_ERROR;\r | |
352 | }\r | |
353 | //\r | |
354 | // check if we are asked to enable or disable something that the UNDI\r | |
355 | // does not even support!\r | |
356 | //\r | |
357 | if ((EnableFlags &~snp->mode.ReceiveFilterMask) != 0) {\r | |
358 | return EFI_INVALID_PARAMETER;\r | |
359 | }\r | |
360 | \r | |
361 | if ((DisableFlags &~snp->mode.ReceiveFilterMask) != 0) {\r | |
362 | return EFI_INVALID_PARAMETER;\r | |
363 | }\r | |
364 | \r | |
365 | if (ResetMCastList) {\r | |
366 | DisableFlags |= EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST & snp->mode.ReceiveFilterMask;\r | |
367 | MCastAddressCount = 0;\r | |
368 | MCastAddressList = NULL;\r | |
369 | } else {\r | |
370 | if (MCastAddressCount != 0) {\r | |
371 | if (MCastAddressCount > snp->mode.MaxMCastFilterCount) {\r | |
372 | return EFI_INVALID_PARAMETER;\r | |
373 | }\r | |
374 | \r | |
375 | if (MCastAddressList == NULL) {\r | |
376 | return EFI_INVALID_PARAMETER;\r | |
377 | }\r | |
378 | }\r | |
379 | }\r | |
380 | \r | |
381 | if (EnableFlags == 0 && DisableFlags == 0 && !ResetMCastList && MCastAddressCount == 0) {\r | |
382 | return EFI_SUCCESS;\r | |
383 | }\r | |
384 | \r | |
385 | if ((EnableFlags & EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST) != 0 && MCastAddressCount == 0) {\r | |
386 | return EFI_INVALID_PARAMETER;\r | |
387 | }\r | |
388 | \r | |
389 | if ((EnableFlags != 0) || (MCastAddressCount != 0)) {\r | |
390 | Status = pxe_rcvfilter_enable (\r | |
391 | snp,\r | |
392 | EnableFlags,\r | |
393 | MCastAddressCount,\r | |
394 | MCastAddressList\r | |
395 | );\r | |
396 | \r | |
397 | if (Status != EFI_SUCCESS) {\r | |
398 | return Status;\r | |
399 | }\r | |
400 | }\r | |
401 | \r | |
402 | if ((DisableFlags != 0) || ResetMCastList) {\r | |
403 | Status = pxe_rcvfilter_disable (snp, DisableFlags, ResetMCastList);\r | |
404 | \r | |
405 | if (Status != EFI_SUCCESS) {\r | |
406 | return Status;\r | |
407 | }\r | |
408 | }\r | |
409 | \r | |
410 | return pxe_rcvfilter_read (snp);\r | |
411 | }\r |