1 /*
2 * Copyright 2008 Cisco Systems, Inc. All rights reserved.
3 * Copyright 2007 Nuova Systems, Inc. All rights reserved.
4 *
5 * This program is free software; you may redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; version 2 of the License.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
10 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
11 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
12 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
13 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
14 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
15 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
16 * SOFTWARE.
17 */
18 #ifndef _VNIC_DEVCMD_H_
19 #define _VNIC_DEVCMD_H_
20
21 #define _CMD_NBITS 14
22 #define _CMD_VTYPEBITS 10
23 #define _CMD_FLAGSBITS 6
24 #define _CMD_DIRBITS 2
25
26 #define _CMD_NMASK ((1 << _CMD_NBITS)-1)
27 #define _CMD_VTYPEMASK ((1 << _CMD_VTYPEBITS)-1)
28 #define _CMD_FLAGSMASK ((1 << _CMD_FLAGSBITS)-1)
29 #define _CMD_DIRMASK ((1 << _CMD_DIRBITS)-1)
30
31 #define _CMD_NSHIFT 0
32 #define _CMD_VTYPESHIFT (_CMD_NSHIFT+_CMD_NBITS)
33 #define _CMD_FLAGSSHIFT (_CMD_VTYPESHIFT+_CMD_VTYPEBITS)
34 #define _CMD_DIRSHIFT (_CMD_FLAGSSHIFT+_CMD_FLAGSBITS)
35
36 /*
37 * Direction bits (from host perspective).
38 */
39 #define _CMD_DIR_NONE 0U
40 #define _CMD_DIR_WRITE 1U
41 #define _CMD_DIR_READ 2U
42 #define _CMD_DIR_RW (_CMD_DIR_WRITE | _CMD_DIR_READ)
43
44 /*
45 * Flag bits.
46 */
47 #define _CMD_FLAGS_NONE 0U
48 #define _CMD_FLAGS_NOWAIT 1U
49
50 /*
51 * vNIC type bits.
52 */
53 #define _CMD_VTYPE_NONE 0U
54 #define _CMD_VTYPE_ENET 1U
55 #define _CMD_VTYPE_FC 2U
56 #define _CMD_VTYPE_SCSI 4U
57 #define _CMD_VTYPE_ALL (_CMD_VTYPE_ENET | _CMD_VTYPE_FC | _CMD_VTYPE_SCSI)
58
59 /*
60 * Used to create cmds..
61 */
62 #define _CMDCF(dir, flags, vtype, nr) \
63 (((dir) << _CMD_DIRSHIFT) | \
64 ((flags) << _CMD_FLAGSSHIFT) | \
65 ((vtype) << _CMD_VTYPESHIFT) | \
66 ((nr) << _CMD_NSHIFT))
67 #define _CMDC(dir, vtype, nr) _CMDCF(dir, 0, vtype, nr)
68 #define _CMDCNW(dir, vtype, nr) _CMDCF(dir, _CMD_FLAGS_NOWAIT, vtype, nr)
69
70 /*
71 * Used to decode cmds..
72 */
73 #define _CMD_DIR(cmd) (((cmd) >> _CMD_DIRSHIFT) & _CMD_DIRMASK)
74 #define _CMD_FLAGS(cmd) (((cmd) >> _CMD_FLAGSSHIFT) & _CMD_FLAGSMASK)
75 #define _CMD_VTYPE(cmd) (((cmd) >> _CMD_VTYPESHIFT) & _CMD_VTYPEMASK)
76 #define _CMD_N(cmd) (((cmd) >> _CMD_NSHIFT) & _CMD_NMASK)
77
78 enum vnic_devcmd_cmd {
79 CMD_NONE = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_NONE, 0),
80
81 /* mcpu fw info in mem: (u64)a0=paddr to struct vnic_devcmd_fw_info */
82 CMD_MCPU_FW_INFO = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 1),
83
84 /* dev-specific block member:
85 * in: (u16)a0=offset,(u8)a1=size
86 * out: a0=value */
87 CMD_DEV_SPEC = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 2),
88
89 /* stats clear */
90 CMD_STATS_CLEAR = _CMDCNW(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 3),
91
92 /* stats dump in mem: (u64)a0=paddr to stats area,
93 * (u16)a1=sizeof stats area */
94 CMD_STATS_DUMP = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 4),
95
96 /* set Rx packet filter: (u32)a0=filters (see CMD_PFILTER_*) */
97 CMD_PACKET_FILTER = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 7),
98
99 /* hang detection notification */
100 CMD_HANG_NOTIFY = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 8),
101
102 /* MAC address in (u48)a0 */
103 CMD_MAC_ADDR = _CMDC(_CMD_DIR_READ,
104 _CMD_VTYPE_ENET | _CMD_VTYPE_FC, 9),
105
106 /* disable/enable promisc mode: (u8)a0=0/1 */
107 /***** XXX DEPRECATED *****/
108 CMD_PROMISC_MODE = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 10),
109
110 /* disable/enable all-multi mode: (u8)a0=0/1 */
111 /***** XXX DEPRECATED *****/
112 CMD_ALLMULTI_MODE = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 11),
113
114 /* add addr from (u48)a0 */
115 CMD_ADDR_ADD = _CMDCNW(_CMD_DIR_WRITE,
116 _CMD_VTYPE_ENET | _CMD_VTYPE_FC, 12),
117
118 /* del addr from (u48)a0 */
119 CMD_ADDR_DEL = _CMDCNW(_CMD_DIR_WRITE,
120 _CMD_VTYPE_ENET | _CMD_VTYPE_FC, 13),
121
122 /* add VLAN id in (u16)a0 */
123 CMD_VLAN_ADD = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 14),
124
125 /* del VLAN id in (u16)a0 */
126 CMD_VLAN_DEL = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 15),
127
128 /* nic_cfg in (u32)a0 */
129 CMD_NIC_CFG = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 16),
130
131 /* union vnic_rss_key in mem: (u64)a0=paddr, (u16)a1=len */
132 CMD_RSS_KEY = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 17),
133
134 /* union vnic_rss_cpu in mem: (u64)a0=paddr, (u16)a1=len */
135 CMD_RSS_CPU = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 18),
136
137 /* initiate softreset */
138 CMD_SOFT_RESET = _CMDCNW(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 19),
139
140 /* softreset status:
141 * out: a0=0 reset complete, a0=1 reset in progress */
142 CMD_SOFT_RESET_STATUS = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 20),
143
144 /* set struct vnic_devcmd_notify buffer in mem:
145 * in:
146 * (u64)a0=paddr to notify (set paddr=0 to unset)
147 * (u32)a1 & 0x00000000ffffffff=sizeof(struct vnic_devcmd_notify)
148 * (u16)a1 & 0x0000ffff00000000=intr num (-1 for no intr)
149 * out:
150 * (u32)a1 = effective size
151 */
152 CMD_NOTIFY = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 21),
153
154 /* UNDI API: (u64)a0=paddr to s_PXENV_UNDI_ struct,
155 * (u8)a1=PXENV_UNDI_xxx */
156 CMD_UNDI = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 22),
157
158 /* initiate open sequence (u32)a0=flags (see CMD_OPENF_*) */
159 CMD_OPEN = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 23),
160
161 /* open status:
162 * out: a0=0 open complete, a0=1 open in progress */
163 CMD_OPEN_STATUS = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 24),
164
165 /* close vnic */
166 CMD_CLOSE = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 25),
167
168 /* initialize virtual link: (u32)a0=flags (see CMD_INITF_*) */
169 CMD_INIT = _CMDCNW(_CMD_DIR_READ, _CMD_VTYPE_ALL, 26),
170
171 /* variant of CMD_INIT, with provisioning info
172 * (u64)a0=paddr of vnic_devcmd_provinfo
173 * (u32)a1=sizeof provision info
174 */
175 CMD_INIT_PROV_INFO = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 27),
176
177 /* enable virtual link */
178 CMD_ENABLE = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 28),
179
180 /* disable virtual link */
181 CMD_DISABLE = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 29),
182
183 /* stats dump all vnics on uplink in mem: (u64)a0=paddr (u32)a1=uif */
184 CMD_STATS_DUMP_ALL = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 30),
185
186 /* init status:
187 * out: a0=0 init complete, a0=1 init in progress
188 * if a0=0, a1=errno */
189 CMD_INIT_STATUS = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 31),
190
191 /* INT13 API: (u64)a0=paddr to vnic_int13_params struct
192 * (u8)a1=INT13_CMD_xxx */
193 CMD_INT13 = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_FC, 32),
194
195 /* logical uplink enable/disable: (u64)a0: 0/1=disable/enable */
196 CMD_LOGICAL_UPLINK = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 33),
197
198 /* undo initialize of virtual link */
199 CMD_DEINIT = _CMDCNW(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 34),
200
201 /* check fw capability of a cmd:
202 * in: (u32)a0=cmd
203 * out: (u32)a0=errno, 0:valid cmd, a1=supported VNIC_STF_* bits */
204 CMD_CAPABILITY = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 36),
205
206 /* persistent binding info
207 * in: (u64)a0=paddr of arg
208 * (u32)a1=CMD_PERBI_XXX */
209 CMD_PERBI = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_FC, 37),
210
211 /* Interrupt Assert Register functionality
212 * in: (u16)a0=interrupt number to assert
213 */
214 CMD_IAR = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 38),
215
216 /* initiate hangreset, like softreset after hang detected */
217 CMD_HANG_RESET = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 39),
218
219 /* hangreset status:
220 * out: a0=0 reset complete, a0=1 reset in progress */
221 CMD_HANG_RESET_STATUS = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 40),
222
223 /*
224 * Set hw ingress packet vlan rewrite mode:
225 * in: (u32)a0=new vlan rewrite mode
226 * out: (u32)a0=old vlan rewrite mode */
227 CMD_IG_VLAN_REWRITE_MODE = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ENET, 41),
228
229 /*
230 * in: (u16)a0=bdf of target vnic
231 * (u32)a1=cmd to proxy
232 * a2-a15=args to cmd in a1
233 * out: (u32)a0=status of proxied cmd
234 * a1-a15=out args of proxied cmd */
235 CMD_PROXY_BY_BDF = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 42),
236
237 /*
238 * As for BY_BDF except a0 is index of hvnlink subordinate vnic
239 * or SR-IOV virtual vnic
240 */
241 CMD_PROXY_BY_INDEX = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 43),
242
243 /*
244 * For HPP toggle:
245 * adapter-info-get
246 * in: (u64)a0=phsical address of buffer passed in from caller.
247 * (u16)a1=size of buffer specified in a0.
248 * out: (u64)a0=phsical address of buffer passed in from caller.
249 * (u16)a1=actual bytes from VIF-CONFIG-INFO TLV, or
250 * 0 if no VIF-CONFIG-INFO TLV was ever received. */
251 CMD_CONFIG_INFO_GET = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 44),
252
253 /*
254 * INT13 API: (u64)a0=paddr to vnic_int13_params struct
255 * (u32)a1=INT13_CMD_xxx
256 */
257 CMD_INT13_ALL = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 45),
258
259 /*
260 * Set default vlan:
261 * in: (u16)a0=new default vlan
262 * (u16)a1=zero for overriding vlan with param a0,
263 * non-zero for resetting vlan to the default
264 * out: (u16)a0=old default vlan
265 */
266 CMD_SET_DEFAULT_VLAN = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 46),
267
268 /* init_prov_info2:
269 * Variant of CMD_INIT_PROV_INFO, where it will not try to enable
270 * the vnic until CMD_ENABLE2 is issued.
271 * (u64)a0=paddr of vnic_devcmd_provinfo
272 * (u32)a1=sizeof provision info
273 */
274 CMD_INIT_PROV_INFO2 = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 47),
275
276 /* enable2:
277 * (u32)a0=0 ==> standby
278 * =CMD_ENABLE2_ACTIVE ==> active
279 */
280 CMD_ENABLE2 = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 48),
281
282 /*
283 * cmd_status:
284 * Returns the status of the specified command
285 * Input:
286 * a0 = command for which status is being queried.
287 * Possible values are:
288 * CMD_SOFT_RESET
289 * CMD_HANG_RESET
290 * CMD_OPEN
291 * CMD_INIT
292 * CMD_INIT_PROV_INFO
293 * CMD_DEINIT
294 * CMD_INIT_PROV_INFO2
295 * CMD_ENABLE2
296 * Output:
297 * if status == STAT_ERROR
298 * a0 = ERR_ENOTSUPPORTED - status for command in a0 is
299 * not supported
300 * if status == STAT_NONE
301 * a0 = status of the devcmd specified in a0 as follows.
302 * ERR_SUCCESS - command in a0 completed successfully
303 * ERR_EINPROGRESS - command in a0 is still in progress
304 */
305 CMD_STATUS = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 49),
306
307 /*
308 * Returns interrupt coalescing timer conversion factors.
309 * After calling this devcmd, ENIC driver can convert
310 * interrupt coalescing timer in usec into CPU cycles as follows:
311 *
312 * intr_timer_cycles = intr_timer_usec * multiplier / divisor
313 *
314 * Interrupt coalescing timer in usecs can be be converted/obtained
315 * from CPU cycles as follows:
316 *
317 * intr_timer_usec = intr_timer_cycles * divisor / multiplier
318 *
319 * in: none
320 * out: (u32)a0 = multiplier
321 * (u32)a1 = divisor
322 * (u32)a2 = maximum timer value in usec
323 */
324 CMD_INTR_COAL_CONVERT = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 50),
325
326 /*
327 * ISCSI DUMP API:
328 * in: (u64)a0=paddr of the param or param itself
329 * (u32)a1=ISCSI_CMD_xxx
330 */
331 CMD_ISCSI_DUMP_REQ = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 51),
332
333 /*
334 * ISCSI DUMP STATUS API:
335 * in: (u32)a0=cmd tag
336 * in: (u32)a1=ISCSI_CMD_xxx
337 * out: (u32)a0=cmd status
338 */
339 CMD_ISCSI_DUMP_STATUS = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 52),
340
341 /*
342 * Subvnic migration from MQ <--> VF.
343 * Enable the LIF migration from MQ to VF and vice versa. MQ and VF
344 * indexes are statically bound at the time of initialization.
345 * Based on the
346 * direction of migration, the resources of either MQ or the VF shall
347 * be attached to the LIF.
348 * in: (u32)a0=Direction of Migration
349 * 0=> Migrate to VF
350 * 1=> Migrate to MQ
351 * (u32)a1=VF index (MQ index)
352 */
353 CMD_MIGRATE_SUBVNIC = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 53),
354
355 /*
356 * Register / Deregister the notification block for MQ subvnics
357 * in:
358 * (u64)a0=paddr to notify (set paddr=0 to unset)
359 * (u32)a1 & 0x00000000ffffffff=sizeof(struct vnic_devcmd_notify)
360 * (u16)a1 & 0x0000ffff00000000=intr num (-1 for no intr)
361 * out:
362 * (u32)a1 = effective size
363 */
364 CMD_SUBVNIC_NOTIFY = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 54),
365
366 /*
367 * Set the predefined mac address as default
368 * in:
369 * (u48)a0=mac addr
370 */
371 CMD_SET_MAC_ADDR = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 55),
372
373 /* Update the provisioning info of the given VIF
374 * (u64)a0=paddr of vnic_devcmd_provinfo
375 * (u32)a1=sizeof provision info
376 */
377 CMD_PROV_INFO_UPDATE = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 56),
378
379 /*
380 * Initialization for the devcmd2 interface.
381 * in: (u64) a0=host result buffer physical address
382 * in: (u16) a1=number of entries in result buffer
383 */
384 CMD_INITIALIZE_DEVCMD2 = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 57)
385 };
386
387 /* flags for CMD_OPEN */
388 #define CMD_OPENF_OPROM 0x1 /* open coming from option rom */
389
390 #define CMD_OPENF_RQ_ENABLE_THEN_POST 0x2
391
392 /* flags for CMD_INIT */
393 #define CMD_INITF_DEFAULT_MAC 0x1 /* init with default mac addr */
394
395 /* flags for CMD_PACKET_FILTER */
396 #define CMD_PFILTER_DIRECTED 0x01
397 #define CMD_PFILTER_MULTICAST 0x02
398 #define CMD_PFILTER_BROADCAST 0x04
399 #define CMD_PFILTER_PROMISCUOUS 0x08
400 #define CMD_PFILTER_ALL_MULTICAST 0x10
401
402 enum vnic_devcmd_status {
403 STAT_NONE = 0,
404 STAT_BUSY = 1 << 0, /* cmd in progress */
405 STAT_ERROR = 1 << 1, /* last cmd caused error (code in a0) */
406 };
407
408 enum vnic_devcmd_error {
409 ERR_SUCCESS = 0,
410 ERR_EINVAL = 1,
411 ERR_EFAULT = 2,
412 ERR_EPERM = 3,
413 ERR_EBUSY = 4,
414 ERR_ECMDUNKNOWN = 5,
415 ERR_EBADSTATE = 6,
416 ERR_ENOMEM = 7,
417 ERR_ETIMEDOUT = 8,
418 ERR_ELINKDOWN = 9,
419 };
420
421 struct vnic_devcmd_fw_info {
422 char fw_version[32];
423 char fw_build[32];
424 char hw_version[32];
425 char hw_serial_number[32];
426 };
427
428 struct vnic_devcmd_notify {
429 u32 csum; /* checksum over following words */
430
431 u32 link_state; /* link up == 1 */
432 u32 port_speed; /* effective port speed (rate limit) */
433 u32 mtu; /* MTU */
434 u32 msglvl; /* requested driver msg lvl */
435 u32 uif; /* uplink interface */
436 u32 status; /* status bits (see VNIC_STF_*) */
437 u32 error; /* error code (see ERR_*) for first ERR */
438 u32 link_down_cnt; /* running count of link down transitions */
439 };
440 #define VNIC_STF_FATAL_ERR 0x0001 /* fatal fw error */
441
442 struct vnic_devcmd_provinfo {
443 u8 oui[3];
444 u8 type;
445 u8 data[0];
446 };
447
448 /*
449 * Writing cmd register causes STAT_BUSY to get set in status register.
450 * When cmd completes, STAT_BUSY will be cleared.
451 *
452 * If cmd completed successfully STAT_ERROR will be clear
453 * and args registers contain cmd-specific results.
454 *
455 * If cmd error, STAT_ERROR will be set and args[0] contains error code.
456 *
457 * status register is read-only. While STAT_BUSY is set,
458 * all other register contents are read-only.
459 */
460
461 /* Make sizeof(vnic_devcmd) a power-of-2 for I/O BAR. */
462 #define VNIC_DEVCMD_NARGS 15
463 struct vnic_devcmd {
464 u32 status; /* RO */
465 u32 cmd; /* RW */
466 u64 args[VNIC_DEVCMD_NARGS]; /* RW cmd args (little-endian) */
467 };
468
469 /*
470 * Version 2 of the interface.
471 *
472 * Some things are carried over, notably the vnic_devcmd_cmd enum.
473 */
474
475 /*
476 * Flags for vnic_devcmd2.flags
477 */
478
479 #define DEVCMD2_FNORESULT 0x1 /* Don't copy result to host */
480
481 #define VNIC_DEVCMD2_NARGS VNIC_DEVCMD_NARGS
482
483 struct vnic_devcmd2 {
484 u16 pad;
485 u16 flags;
486 u32 cmd; /* same command #defines as original */
487 u64 args[VNIC_DEVCMD2_NARGS];
488 };
489
490 #define VNIC_DEVCMD2_NRESULTS VNIC_DEVCMD_NARGS
491 struct devcmd2_result {
492 u64 results[VNIC_DEVCMD2_NRESULTS];
493 u32 pad;
494 u16 completed_index; /* into copy WQ */
495 u8 error; /* same error codes as original */
496 u8 color; /* 0 or 1 as with completion queues */
497 };
498
499 #define DEVCMD2_RING_SIZE 32
500 #define DEVCMD2_DESC_SIZE 128
501
502 #define DEVCMD2_RESULTS_SIZE_MAX ((1 << 16) - 1)
503
504 #endif /* _VNIC_DEVCMD_H_ */