xref: /openbmc/linux/drivers/net/ethernet/intel/i40e/i40e_common.c (revision 2eb3ed33e55d003d721d4d1a5e72fe323c12b4c0)
1 /*******************************************************************************
2  *
3  * Intel Ethernet Controller XL710 Family Linux Driver
4  * Copyright(c) 2013 - 2016 Intel Corporation.
5  *
6  * This program is free software; you can redistribute it and/or modify it
7  * under the terms and conditions of the GNU General Public License,
8  * version 2, as published by the Free Software Foundation.
9  *
10  * This program is distributed in the hope it will be useful, but WITHOUT
11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
13  * more details.
14  *
15  * You should have received a copy of the GNU General Public License along
16  * with this program.  If not, see <http://www.gnu.org/licenses/>.
17  *
18  * The full GNU General Public License is included in this distribution in
19  * the file called "COPYING".
20  *
21  * Contact Information:
22  * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
23  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
24  *
25  ******************************************************************************/
26 
27 #include "i40e_type.h"
28 #include "i40e_adminq.h"
29 #include "i40e_prototype.h"
30 #include <linux/avf/virtchnl.h>
31 
32 /**
33  * i40e_set_mac_type - Sets MAC type
34  * @hw: pointer to the HW structure
35  *
36  * This function sets the mac type of the adapter based on the
37  * vendor ID and device ID stored in the hw structure.
38  **/
39 static i40e_status i40e_set_mac_type(struct i40e_hw *hw)
40 {
41 	i40e_status status = 0;
42 
43 	if (hw->vendor_id == PCI_VENDOR_ID_INTEL) {
44 		switch (hw->device_id) {
45 		case I40E_DEV_ID_SFP_XL710:
46 		case I40E_DEV_ID_QEMU:
47 		case I40E_DEV_ID_KX_B:
48 		case I40E_DEV_ID_KX_C:
49 		case I40E_DEV_ID_QSFP_A:
50 		case I40E_DEV_ID_QSFP_B:
51 		case I40E_DEV_ID_QSFP_C:
52 		case I40E_DEV_ID_10G_BASE_T:
53 		case I40E_DEV_ID_10G_BASE_T4:
54 		case I40E_DEV_ID_20G_KR2:
55 		case I40E_DEV_ID_20G_KR2_A:
56 		case I40E_DEV_ID_25G_B:
57 		case I40E_DEV_ID_25G_SFP28:
58 			hw->mac.type = I40E_MAC_XL710;
59 			break;
60 		case I40E_DEV_ID_KX_X722:
61 		case I40E_DEV_ID_QSFP_X722:
62 		case I40E_DEV_ID_SFP_X722:
63 		case I40E_DEV_ID_1G_BASE_T_X722:
64 		case I40E_DEV_ID_10G_BASE_T_X722:
65 		case I40E_DEV_ID_SFP_I_X722:
66 			hw->mac.type = I40E_MAC_X722;
67 			break;
68 		default:
69 			hw->mac.type = I40E_MAC_GENERIC;
70 			break;
71 		}
72 	} else {
73 		status = I40E_ERR_DEVICE_NOT_SUPPORTED;
74 	}
75 
76 	hw_dbg(hw, "i40e_set_mac_type found mac: %d, returns: %d\n",
77 		  hw->mac.type, status);
78 	return status;
79 }
80 
81 /**
82  * i40e_aq_str - convert AQ err code to a string
83  * @hw: pointer to the HW structure
84  * @aq_err: the AQ error code to convert
85  **/
86 const char *i40e_aq_str(struct i40e_hw *hw, enum i40e_admin_queue_err aq_err)
87 {
88 	switch (aq_err) {
89 	case I40E_AQ_RC_OK:
90 		return "OK";
91 	case I40E_AQ_RC_EPERM:
92 		return "I40E_AQ_RC_EPERM";
93 	case I40E_AQ_RC_ENOENT:
94 		return "I40E_AQ_RC_ENOENT";
95 	case I40E_AQ_RC_ESRCH:
96 		return "I40E_AQ_RC_ESRCH";
97 	case I40E_AQ_RC_EINTR:
98 		return "I40E_AQ_RC_EINTR";
99 	case I40E_AQ_RC_EIO:
100 		return "I40E_AQ_RC_EIO";
101 	case I40E_AQ_RC_ENXIO:
102 		return "I40E_AQ_RC_ENXIO";
103 	case I40E_AQ_RC_E2BIG:
104 		return "I40E_AQ_RC_E2BIG";
105 	case I40E_AQ_RC_EAGAIN:
106 		return "I40E_AQ_RC_EAGAIN";
107 	case I40E_AQ_RC_ENOMEM:
108 		return "I40E_AQ_RC_ENOMEM";
109 	case I40E_AQ_RC_EACCES:
110 		return "I40E_AQ_RC_EACCES";
111 	case I40E_AQ_RC_EFAULT:
112 		return "I40E_AQ_RC_EFAULT";
113 	case I40E_AQ_RC_EBUSY:
114 		return "I40E_AQ_RC_EBUSY";
115 	case I40E_AQ_RC_EEXIST:
116 		return "I40E_AQ_RC_EEXIST";
117 	case I40E_AQ_RC_EINVAL:
118 		return "I40E_AQ_RC_EINVAL";
119 	case I40E_AQ_RC_ENOTTY:
120 		return "I40E_AQ_RC_ENOTTY";
121 	case I40E_AQ_RC_ENOSPC:
122 		return "I40E_AQ_RC_ENOSPC";
123 	case I40E_AQ_RC_ENOSYS:
124 		return "I40E_AQ_RC_ENOSYS";
125 	case I40E_AQ_RC_ERANGE:
126 		return "I40E_AQ_RC_ERANGE";
127 	case I40E_AQ_RC_EFLUSHED:
128 		return "I40E_AQ_RC_EFLUSHED";
129 	case I40E_AQ_RC_BAD_ADDR:
130 		return "I40E_AQ_RC_BAD_ADDR";
131 	case I40E_AQ_RC_EMODE:
132 		return "I40E_AQ_RC_EMODE";
133 	case I40E_AQ_RC_EFBIG:
134 		return "I40E_AQ_RC_EFBIG";
135 	}
136 
137 	snprintf(hw->err_str, sizeof(hw->err_str), "%d", aq_err);
138 	return hw->err_str;
139 }
140 
141 /**
142  * i40e_stat_str - convert status err code to a string
143  * @hw: pointer to the HW structure
144  * @stat_err: the status error code to convert
145  **/
146 const char *i40e_stat_str(struct i40e_hw *hw, i40e_status stat_err)
147 {
148 	switch (stat_err) {
149 	case 0:
150 		return "OK";
151 	case I40E_ERR_NVM:
152 		return "I40E_ERR_NVM";
153 	case I40E_ERR_NVM_CHECKSUM:
154 		return "I40E_ERR_NVM_CHECKSUM";
155 	case I40E_ERR_PHY:
156 		return "I40E_ERR_PHY";
157 	case I40E_ERR_CONFIG:
158 		return "I40E_ERR_CONFIG";
159 	case I40E_ERR_PARAM:
160 		return "I40E_ERR_PARAM";
161 	case I40E_ERR_MAC_TYPE:
162 		return "I40E_ERR_MAC_TYPE";
163 	case I40E_ERR_UNKNOWN_PHY:
164 		return "I40E_ERR_UNKNOWN_PHY";
165 	case I40E_ERR_LINK_SETUP:
166 		return "I40E_ERR_LINK_SETUP";
167 	case I40E_ERR_ADAPTER_STOPPED:
168 		return "I40E_ERR_ADAPTER_STOPPED";
169 	case I40E_ERR_INVALID_MAC_ADDR:
170 		return "I40E_ERR_INVALID_MAC_ADDR";
171 	case I40E_ERR_DEVICE_NOT_SUPPORTED:
172 		return "I40E_ERR_DEVICE_NOT_SUPPORTED";
173 	case I40E_ERR_MASTER_REQUESTS_PENDING:
174 		return "I40E_ERR_MASTER_REQUESTS_PENDING";
175 	case I40E_ERR_INVALID_LINK_SETTINGS:
176 		return "I40E_ERR_INVALID_LINK_SETTINGS";
177 	case I40E_ERR_AUTONEG_NOT_COMPLETE:
178 		return "I40E_ERR_AUTONEG_NOT_COMPLETE";
179 	case I40E_ERR_RESET_FAILED:
180 		return "I40E_ERR_RESET_FAILED";
181 	case I40E_ERR_SWFW_SYNC:
182 		return "I40E_ERR_SWFW_SYNC";
183 	case I40E_ERR_NO_AVAILABLE_VSI:
184 		return "I40E_ERR_NO_AVAILABLE_VSI";
185 	case I40E_ERR_NO_MEMORY:
186 		return "I40E_ERR_NO_MEMORY";
187 	case I40E_ERR_BAD_PTR:
188 		return "I40E_ERR_BAD_PTR";
189 	case I40E_ERR_RING_FULL:
190 		return "I40E_ERR_RING_FULL";
191 	case I40E_ERR_INVALID_PD_ID:
192 		return "I40E_ERR_INVALID_PD_ID";
193 	case I40E_ERR_INVALID_QP_ID:
194 		return "I40E_ERR_INVALID_QP_ID";
195 	case I40E_ERR_INVALID_CQ_ID:
196 		return "I40E_ERR_INVALID_CQ_ID";
197 	case I40E_ERR_INVALID_CEQ_ID:
198 		return "I40E_ERR_INVALID_CEQ_ID";
199 	case I40E_ERR_INVALID_AEQ_ID:
200 		return "I40E_ERR_INVALID_AEQ_ID";
201 	case I40E_ERR_INVALID_SIZE:
202 		return "I40E_ERR_INVALID_SIZE";
203 	case I40E_ERR_INVALID_ARP_INDEX:
204 		return "I40E_ERR_INVALID_ARP_INDEX";
205 	case I40E_ERR_INVALID_FPM_FUNC_ID:
206 		return "I40E_ERR_INVALID_FPM_FUNC_ID";
207 	case I40E_ERR_QP_INVALID_MSG_SIZE:
208 		return "I40E_ERR_QP_INVALID_MSG_SIZE";
209 	case I40E_ERR_QP_TOOMANY_WRS_POSTED:
210 		return "I40E_ERR_QP_TOOMANY_WRS_POSTED";
211 	case I40E_ERR_INVALID_FRAG_COUNT:
212 		return "I40E_ERR_INVALID_FRAG_COUNT";
213 	case I40E_ERR_QUEUE_EMPTY:
214 		return "I40E_ERR_QUEUE_EMPTY";
215 	case I40E_ERR_INVALID_ALIGNMENT:
216 		return "I40E_ERR_INVALID_ALIGNMENT";
217 	case I40E_ERR_FLUSHED_QUEUE:
218 		return "I40E_ERR_FLUSHED_QUEUE";
219 	case I40E_ERR_INVALID_PUSH_PAGE_INDEX:
220 		return "I40E_ERR_INVALID_PUSH_PAGE_INDEX";
221 	case I40E_ERR_INVALID_IMM_DATA_SIZE:
222 		return "I40E_ERR_INVALID_IMM_DATA_SIZE";
223 	case I40E_ERR_TIMEOUT:
224 		return "I40E_ERR_TIMEOUT";
225 	case I40E_ERR_OPCODE_MISMATCH:
226 		return "I40E_ERR_OPCODE_MISMATCH";
227 	case I40E_ERR_CQP_COMPL_ERROR:
228 		return "I40E_ERR_CQP_COMPL_ERROR";
229 	case I40E_ERR_INVALID_VF_ID:
230 		return "I40E_ERR_INVALID_VF_ID";
231 	case I40E_ERR_INVALID_HMCFN_ID:
232 		return "I40E_ERR_INVALID_HMCFN_ID";
233 	case I40E_ERR_BACKING_PAGE_ERROR:
234 		return "I40E_ERR_BACKING_PAGE_ERROR";
235 	case I40E_ERR_NO_PBLCHUNKS_AVAILABLE:
236 		return "I40E_ERR_NO_PBLCHUNKS_AVAILABLE";
237 	case I40E_ERR_INVALID_PBLE_INDEX:
238 		return "I40E_ERR_INVALID_PBLE_INDEX";
239 	case I40E_ERR_INVALID_SD_INDEX:
240 		return "I40E_ERR_INVALID_SD_INDEX";
241 	case I40E_ERR_INVALID_PAGE_DESC_INDEX:
242 		return "I40E_ERR_INVALID_PAGE_DESC_INDEX";
243 	case I40E_ERR_INVALID_SD_TYPE:
244 		return "I40E_ERR_INVALID_SD_TYPE";
245 	case I40E_ERR_MEMCPY_FAILED:
246 		return "I40E_ERR_MEMCPY_FAILED";
247 	case I40E_ERR_INVALID_HMC_OBJ_INDEX:
248 		return "I40E_ERR_INVALID_HMC_OBJ_INDEX";
249 	case I40E_ERR_INVALID_HMC_OBJ_COUNT:
250 		return "I40E_ERR_INVALID_HMC_OBJ_COUNT";
251 	case I40E_ERR_INVALID_SRQ_ARM_LIMIT:
252 		return "I40E_ERR_INVALID_SRQ_ARM_LIMIT";
253 	case I40E_ERR_SRQ_ENABLED:
254 		return "I40E_ERR_SRQ_ENABLED";
255 	case I40E_ERR_ADMIN_QUEUE_ERROR:
256 		return "I40E_ERR_ADMIN_QUEUE_ERROR";
257 	case I40E_ERR_ADMIN_QUEUE_TIMEOUT:
258 		return "I40E_ERR_ADMIN_QUEUE_TIMEOUT";
259 	case I40E_ERR_BUF_TOO_SHORT:
260 		return "I40E_ERR_BUF_TOO_SHORT";
261 	case I40E_ERR_ADMIN_QUEUE_FULL:
262 		return "I40E_ERR_ADMIN_QUEUE_FULL";
263 	case I40E_ERR_ADMIN_QUEUE_NO_WORK:
264 		return "I40E_ERR_ADMIN_QUEUE_NO_WORK";
265 	case I40E_ERR_BAD_IWARP_CQE:
266 		return "I40E_ERR_BAD_IWARP_CQE";
267 	case I40E_ERR_NVM_BLANK_MODE:
268 		return "I40E_ERR_NVM_BLANK_MODE";
269 	case I40E_ERR_NOT_IMPLEMENTED:
270 		return "I40E_ERR_NOT_IMPLEMENTED";
271 	case I40E_ERR_PE_DOORBELL_NOT_ENABLED:
272 		return "I40E_ERR_PE_DOORBELL_NOT_ENABLED";
273 	case I40E_ERR_DIAG_TEST_FAILED:
274 		return "I40E_ERR_DIAG_TEST_FAILED";
275 	case I40E_ERR_NOT_READY:
276 		return "I40E_ERR_NOT_READY";
277 	case I40E_NOT_SUPPORTED:
278 		return "I40E_NOT_SUPPORTED";
279 	case I40E_ERR_FIRMWARE_API_VERSION:
280 		return "I40E_ERR_FIRMWARE_API_VERSION";
281 	}
282 
283 	snprintf(hw->err_str, sizeof(hw->err_str), "%d", stat_err);
284 	return hw->err_str;
285 }
286 
287 /**
288  * i40e_debug_aq
289  * @hw: debug mask related to admin queue
290  * @mask: debug mask
291  * @desc: pointer to admin queue descriptor
292  * @buffer: pointer to command buffer
293  * @buf_len: max length of buffer
294  *
295  * Dumps debug log about adminq command with descriptor contents.
296  **/
297 void i40e_debug_aq(struct i40e_hw *hw, enum i40e_debug_mask mask, void *desc,
298 		   void *buffer, u16 buf_len)
299 {
300 	struct i40e_aq_desc *aq_desc = (struct i40e_aq_desc *)desc;
301 	u16 len;
302 	u8 *buf = (u8 *)buffer;
303 
304 	if ((!(mask & hw->debug_mask)) || (desc == NULL))
305 		return;
306 
307 	len = le16_to_cpu(aq_desc->datalen);
308 
309 	i40e_debug(hw, mask,
310 		   "AQ CMD: opcode 0x%04X, flags 0x%04X, datalen 0x%04X, retval 0x%04X\n",
311 		   le16_to_cpu(aq_desc->opcode),
312 		   le16_to_cpu(aq_desc->flags),
313 		   le16_to_cpu(aq_desc->datalen),
314 		   le16_to_cpu(aq_desc->retval));
315 	i40e_debug(hw, mask, "\tcookie (h,l) 0x%08X 0x%08X\n",
316 		   le32_to_cpu(aq_desc->cookie_high),
317 		   le32_to_cpu(aq_desc->cookie_low));
318 	i40e_debug(hw, mask, "\tparam (0,1)  0x%08X 0x%08X\n",
319 		   le32_to_cpu(aq_desc->params.internal.param0),
320 		   le32_to_cpu(aq_desc->params.internal.param1));
321 	i40e_debug(hw, mask, "\taddr (h,l)   0x%08X 0x%08X\n",
322 		   le32_to_cpu(aq_desc->params.external.addr_high),
323 		   le32_to_cpu(aq_desc->params.external.addr_low));
324 
325 	if ((buffer != NULL) && (aq_desc->datalen != 0)) {
326 		i40e_debug(hw, mask, "AQ CMD Buffer:\n");
327 		if (buf_len < len)
328 			len = buf_len;
329 		/* write the full 16-byte chunks */
330 		if (hw->debug_mask & mask) {
331 			char prefix[27];
332 
333 			snprintf(prefix, sizeof(prefix),
334 				 "i40e %02x:%02x.%x: \t0x",
335 				 hw->bus.bus_id,
336 				 hw->bus.device,
337 				 hw->bus.func);
338 
339 			print_hex_dump(KERN_INFO, prefix, DUMP_PREFIX_OFFSET,
340 				       16, 1, buf, len, false);
341 		}
342 	}
343 }
344 
345 /**
346  * i40e_check_asq_alive
347  * @hw: pointer to the hw struct
348  *
349  * Returns true if Queue is enabled else false.
350  **/
351 bool i40e_check_asq_alive(struct i40e_hw *hw)
352 {
353 	if (hw->aq.asq.len)
354 		return !!(rd32(hw, hw->aq.asq.len) &
355 			  I40E_PF_ATQLEN_ATQENABLE_MASK);
356 	else
357 		return false;
358 }
359 
360 /**
361  * i40e_aq_queue_shutdown
362  * @hw: pointer to the hw struct
363  * @unloading: is the driver unloading itself
364  *
365  * Tell the Firmware that we're shutting down the AdminQ and whether
366  * or not the driver is unloading as well.
367  **/
368 i40e_status i40e_aq_queue_shutdown(struct i40e_hw *hw,
369 					     bool unloading)
370 {
371 	struct i40e_aq_desc desc;
372 	struct i40e_aqc_queue_shutdown *cmd =
373 		(struct i40e_aqc_queue_shutdown *)&desc.params.raw;
374 	i40e_status status;
375 
376 	i40e_fill_default_direct_cmd_desc(&desc,
377 					  i40e_aqc_opc_queue_shutdown);
378 
379 	if (unloading)
380 		cmd->driver_unloading = cpu_to_le32(I40E_AQ_DRIVER_UNLOADING);
381 	status = i40e_asq_send_command(hw, &desc, NULL, 0, NULL);
382 
383 	return status;
384 }
385 
386 /**
387  * i40e_aq_get_set_rss_lut
388  * @hw: pointer to the hardware structure
389  * @vsi_id: vsi fw index
390  * @pf_lut: for PF table set true, for VSI table set false
391  * @lut: pointer to the lut buffer provided by the caller
392  * @lut_size: size of the lut buffer
393  * @set: set true to set the table, false to get the table
394  *
395  * Internal function to get or set RSS look up table
396  **/
397 static i40e_status i40e_aq_get_set_rss_lut(struct i40e_hw *hw,
398 					   u16 vsi_id, bool pf_lut,
399 					   u8 *lut, u16 lut_size,
400 					   bool set)
401 {
402 	i40e_status status;
403 	struct i40e_aq_desc desc;
404 	struct i40e_aqc_get_set_rss_lut *cmd_resp =
405 		   (struct i40e_aqc_get_set_rss_lut *)&desc.params.raw;
406 
407 	if (set)
408 		i40e_fill_default_direct_cmd_desc(&desc,
409 						  i40e_aqc_opc_set_rss_lut);
410 	else
411 		i40e_fill_default_direct_cmd_desc(&desc,
412 						  i40e_aqc_opc_get_rss_lut);
413 
414 	/* Indirect command */
415 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
416 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_RD);
417 
418 	cmd_resp->vsi_id =
419 			cpu_to_le16((u16)((vsi_id <<
420 					  I40E_AQC_SET_RSS_LUT_VSI_ID_SHIFT) &
421 					  I40E_AQC_SET_RSS_LUT_VSI_ID_MASK));
422 	cmd_resp->vsi_id |= cpu_to_le16((u16)I40E_AQC_SET_RSS_LUT_VSI_VALID);
423 
424 	if (pf_lut)
425 		cmd_resp->flags |= cpu_to_le16((u16)
426 					((I40E_AQC_SET_RSS_LUT_TABLE_TYPE_PF <<
427 					I40E_AQC_SET_RSS_LUT_TABLE_TYPE_SHIFT) &
428 					I40E_AQC_SET_RSS_LUT_TABLE_TYPE_MASK));
429 	else
430 		cmd_resp->flags |= cpu_to_le16((u16)
431 					((I40E_AQC_SET_RSS_LUT_TABLE_TYPE_VSI <<
432 					I40E_AQC_SET_RSS_LUT_TABLE_TYPE_SHIFT) &
433 					I40E_AQC_SET_RSS_LUT_TABLE_TYPE_MASK));
434 
435 	status = i40e_asq_send_command(hw, &desc, lut, lut_size, NULL);
436 
437 	return status;
438 }
439 
440 /**
441  * i40e_aq_get_rss_lut
442  * @hw: pointer to the hardware structure
443  * @vsi_id: vsi fw index
444  * @pf_lut: for PF table set true, for VSI table set false
445  * @lut: pointer to the lut buffer provided by the caller
446  * @lut_size: size of the lut buffer
447  *
448  * get the RSS lookup table, PF or VSI type
449  **/
450 i40e_status i40e_aq_get_rss_lut(struct i40e_hw *hw, u16 vsi_id,
451 				bool pf_lut, u8 *lut, u16 lut_size)
452 {
453 	return i40e_aq_get_set_rss_lut(hw, vsi_id, pf_lut, lut, lut_size,
454 				       false);
455 }
456 
457 /**
458  * i40e_aq_set_rss_lut
459  * @hw: pointer to the hardware structure
460  * @vsi_id: vsi fw index
461  * @pf_lut: for PF table set true, for VSI table set false
462  * @lut: pointer to the lut buffer provided by the caller
463  * @lut_size: size of the lut buffer
464  *
465  * set the RSS lookup table, PF or VSI type
466  **/
467 i40e_status i40e_aq_set_rss_lut(struct i40e_hw *hw, u16 vsi_id,
468 				bool pf_lut, u8 *lut, u16 lut_size)
469 {
470 	return i40e_aq_get_set_rss_lut(hw, vsi_id, pf_lut, lut, lut_size, true);
471 }
472 
473 /**
474  * i40e_aq_get_set_rss_key
475  * @hw: pointer to the hw struct
476  * @vsi_id: vsi fw index
477  * @key: pointer to key info struct
478  * @set: set true to set the key, false to get the key
479  *
480  * get the RSS key per VSI
481  **/
482 static i40e_status i40e_aq_get_set_rss_key(struct i40e_hw *hw,
483 				      u16 vsi_id,
484 				      struct i40e_aqc_get_set_rss_key_data *key,
485 				      bool set)
486 {
487 	i40e_status status;
488 	struct i40e_aq_desc desc;
489 	struct i40e_aqc_get_set_rss_key *cmd_resp =
490 			(struct i40e_aqc_get_set_rss_key *)&desc.params.raw;
491 	u16 key_size = sizeof(struct i40e_aqc_get_set_rss_key_data);
492 
493 	if (set)
494 		i40e_fill_default_direct_cmd_desc(&desc,
495 						  i40e_aqc_opc_set_rss_key);
496 	else
497 		i40e_fill_default_direct_cmd_desc(&desc,
498 						  i40e_aqc_opc_get_rss_key);
499 
500 	/* Indirect command */
501 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
502 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_RD);
503 
504 	cmd_resp->vsi_id =
505 			cpu_to_le16((u16)((vsi_id <<
506 					  I40E_AQC_SET_RSS_KEY_VSI_ID_SHIFT) &
507 					  I40E_AQC_SET_RSS_KEY_VSI_ID_MASK));
508 	cmd_resp->vsi_id |= cpu_to_le16((u16)I40E_AQC_SET_RSS_KEY_VSI_VALID);
509 
510 	status = i40e_asq_send_command(hw, &desc, key, key_size, NULL);
511 
512 	return status;
513 }
514 
515 /**
516  * i40e_aq_get_rss_key
517  * @hw: pointer to the hw struct
518  * @vsi_id: vsi fw index
519  * @key: pointer to key info struct
520  *
521  **/
522 i40e_status i40e_aq_get_rss_key(struct i40e_hw *hw,
523 				u16 vsi_id,
524 				struct i40e_aqc_get_set_rss_key_data *key)
525 {
526 	return i40e_aq_get_set_rss_key(hw, vsi_id, key, false);
527 }
528 
529 /**
530  * i40e_aq_set_rss_key
531  * @hw: pointer to the hw struct
532  * @vsi_id: vsi fw index
533  * @key: pointer to key info struct
534  *
535  * set the RSS key per VSI
536  **/
537 i40e_status i40e_aq_set_rss_key(struct i40e_hw *hw,
538 				u16 vsi_id,
539 				struct i40e_aqc_get_set_rss_key_data *key)
540 {
541 	return i40e_aq_get_set_rss_key(hw, vsi_id, key, true);
542 }
543 
544 /* The i40e_ptype_lookup table is used to convert from the 8-bit ptype in the
545  * hardware to a bit-field that can be used by SW to more easily determine the
546  * packet type.
547  *
548  * Macros are used to shorten the table lines and make this table human
549  * readable.
550  *
551  * We store the PTYPE in the top byte of the bit field - this is just so that
552  * we can check that the table doesn't have a row missing, as the index into
553  * the table should be the PTYPE.
554  *
555  * Typical work flow:
556  *
557  * IF NOT i40e_ptype_lookup[ptype].known
558  * THEN
559  *      Packet is unknown
560  * ELSE IF i40e_ptype_lookup[ptype].outer_ip == I40E_RX_PTYPE_OUTER_IP
561  *      Use the rest of the fields to look at the tunnels, inner protocols, etc
562  * ELSE
563  *      Use the enum i40e_rx_l2_ptype to decode the packet type
564  * ENDIF
565  */
566 
567 /* macro to make the table lines short */
568 #define I40E_PTT(PTYPE, OUTER_IP, OUTER_IP_VER, OUTER_FRAG, T, TE, TEF, I, PL)\
569 	{	PTYPE, \
570 		1, \
571 		I40E_RX_PTYPE_OUTER_##OUTER_IP, \
572 		I40E_RX_PTYPE_OUTER_##OUTER_IP_VER, \
573 		I40E_RX_PTYPE_##OUTER_FRAG, \
574 		I40E_RX_PTYPE_TUNNEL_##T, \
575 		I40E_RX_PTYPE_TUNNEL_END_##TE, \
576 		I40E_RX_PTYPE_##TEF, \
577 		I40E_RX_PTYPE_INNER_PROT_##I, \
578 		I40E_RX_PTYPE_PAYLOAD_LAYER_##PL }
579 
580 #define I40E_PTT_UNUSED_ENTRY(PTYPE) \
581 		{ PTYPE, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
582 
583 /* shorter macros makes the table fit but are terse */
584 #define I40E_RX_PTYPE_NOF		I40E_RX_PTYPE_NOT_FRAG
585 #define I40E_RX_PTYPE_FRG		I40E_RX_PTYPE_FRAG
586 #define I40E_RX_PTYPE_INNER_PROT_TS	I40E_RX_PTYPE_INNER_PROT_TIMESYNC
587 
588 /* Lookup table mapping the HW PTYPE to the bit field for decoding */
589 struct i40e_rx_ptype_decoded i40e_ptype_lookup[] = {
590 	/* L2 Packet types */
591 	I40E_PTT_UNUSED_ENTRY(0),
592 	I40E_PTT(1,  L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2),
593 	I40E_PTT(2,  L2, NONE, NOF, NONE, NONE, NOF, TS,   PAY2),
594 	I40E_PTT(3,  L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2),
595 	I40E_PTT_UNUSED_ENTRY(4),
596 	I40E_PTT_UNUSED_ENTRY(5),
597 	I40E_PTT(6,  L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2),
598 	I40E_PTT(7,  L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2),
599 	I40E_PTT_UNUSED_ENTRY(8),
600 	I40E_PTT_UNUSED_ENTRY(9),
601 	I40E_PTT(10, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2),
602 	I40E_PTT(11, L2, NONE, NOF, NONE, NONE, NOF, NONE, NONE),
603 	I40E_PTT(12, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
604 	I40E_PTT(13, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
605 	I40E_PTT(14, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
606 	I40E_PTT(15, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
607 	I40E_PTT(16, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
608 	I40E_PTT(17, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
609 	I40E_PTT(18, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
610 	I40E_PTT(19, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
611 	I40E_PTT(20, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
612 	I40E_PTT(21, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
613 
614 	/* Non Tunneled IPv4 */
615 	I40E_PTT(22, IP, IPV4, FRG, NONE, NONE, NOF, NONE, PAY3),
616 	I40E_PTT(23, IP, IPV4, NOF, NONE, NONE, NOF, NONE, PAY3),
617 	I40E_PTT(24, IP, IPV4, NOF, NONE, NONE, NOF, UDP,  PAY4),
618 	I40E_PTT_UNUSED_ENTRY(25),
619 	I40E_PTT(26, IP, IPV4, NOF, NONE, NONE, NOF, TCP,  PAY4),
620 	I40E_PTT(27, IP, IPV4, NOF, NONE, NONE, NOF, SCTP, PAY4),
621 	I40E_PTT(28, IP, IPV4, NOF, NONE, NONE, NOF, ICMP, PAY4),
622 
623 	/* IPv4 --> IPv4 */
624 	I40E_PTT(29, IP, IPV4, NOF, IP_IP, IPV4, FRG, NONE, PAY3),
625 	I40E_PTT(30, IP, IPV4, NOF, IP_IP, IPV4, NOF, NONE, PAY3),
626 	I40E_PTT(31, IP, IPV4, NOF, IP_IP, IPV4, NOF, UDP,  PAY4),
627 	I40E_PTT_UNUSED_ENTRY(32),
628 	I40E_PTT(33, IP, IPV4, NOF, IP_IP, IPV4, NOF, TCP,  PAY4),
629 	I40E_PTT(34, IP, IPV4, NOF, IP_IP, IPV4, NOF, SCTP, PAY4),
630 	I40E_PTT(35, IP, IPV4, NOF, IP_IP, IPV4, NOF, ICMP, PAY4),
631 
632 	/* IPv4 --> IPv6 */
633 	I40E_PTT(36, IP, IPV4, NOF, IP_IP, IPV6, FRG, NONE, PAY3),
634 	I40E_PTT(37, IP, IPV4, NOF, IP_IP, IPV6, NOF, NONE, PAY3),
635 	I40E_PTT(38, IP, IPV4, NOF, IP_IP, IPV6, NOF, UDP,  PAY4),
636 	I40E_PTT_UNUSED_ENTRY(39),
637 	I40E_PTT(40, IP, IPV4, NOF, IP_IP, IPV6, NOF, TCP,  PAY4),
638 	I40E_PTT(41, IP, IPV4, NOF, IP_IP, IPV6, NOF, SCTP, PAY4),
639 	I40E_PTT(42, IP, IPV4, NOF, IP_IP, IPV6, NOF, ICMP, PAY4),
640 
641 	/* IPv4 --> GRE/NAT */
642 	I40E_PTT(43, IP, IPV4, NOF, IP_GRENAT, NONE, NOF, NONE, PAY3),
643 
644 	/* IPv4 --> GRE/NAT --> IPv4 */
645 	I40E_PTT(44, IP, IPV4, NOF, IP_GRENAT, IPV4, FRG, NONE, PAY3),
646 	I40E_PTT(45, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, NONE, PAY3),
647 	I40E_PTT(46, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, UDP,  PAY4),
648 	I40E_PTT_UNUSED_ENTRY(47),
649 	I40E_PTT(48, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, TCP,  PAY4),
650 	I40E_PTT(49, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, SCTP, PAY4),
651 	I40E_PTT(50, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, ICMP, PAY4),
652 
653 	/* IPv4 --> GRE/NAT --> IPv6 */
654 	I40E_PTT(51, IP, IPV4, NOF, IP_GRENAT, IPV6, FRG, NONE, PAY3),
655 	I40E_PTT(52, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, NONE, PAY3),
656 	I40E_PTT(53, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, UDP,  PAY4),
657 	I40E_PTT_UNUSED_ENTRY(54),
658 	I40E_PTT(55, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, TCP,  PAY4),
659 	I40E_PTT(56, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, SCTP, PAY4),
660 	I40E_PTT(57, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, ICMP, PAY4),
661 
662 	/* IPv4 --> GRE/NAT --> MAC */
663 	I40E_PTT(58, IP, IPV4, NOF, IP_GRENAT_MAC, NONE, NOF, NONE, PAY3),
664 
665 	/* IPv4 --> GRE/NAT --> MAC --> IPv4 */
666 	I40E_PTT(59, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, FRG, NONE, PAY3),
667 	I40E_PTT(60, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, NONE, PAY3),
668 	I40E_PTT(61, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, UDP,  PAY4),
669 	I40E_PTT_UNUSED_ENTRY(62),
670 	I40E_PTT(63, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, TCP,  PAY4),
671 	I40E_PTT(64, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, SCTP, PAY4),
672 	I40E_PTT(65, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, ICMP, PAY4),
673 
674 	/* IPv4 --> GRE/NAT -> MAC --> IPv6 */
675 	I40E_PTT(66, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, FRG, NONE, PAY3),
676 	I40E_PTT(67, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, NONE, PAY3),
677 	I40E_PTT(68, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, UDP,  PAY4),
678 	I40E_PTT_UNUSED_ENTRY(69),
679 	I40E_PTT(70, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, TCP,  PAY4),
680 	I40E_PTT(71, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, SCTP, PAY4),
681 	I40E_PTT(72, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, ICMP, PAY4),
682 
683 	/* IPv4 --> GRE/NAT --> MAC/VLAN */
684 	I40E_PTT(73, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, NONE, NOF, NONE, PAY3),
685 
686 	/* IPv4 ---> GRE/NAT -> MAC/VLAN --> IPv4 */
687 	I40E_PTT(74, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, FRG, NONE, PAY3),
688 	I40E_PTT(75, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, NONE, PAY3),
689 	I40E_PTT(76, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, UDP,  PAY4),
690 	I40E_PTT_UNUSED_ENTRY(77),
691 	I40E_PTT(78, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, TCP,  PAY4),
692 	I40E_PTT(79, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, SCTP, PAY4),
693 	I40E_PTT(80, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, ICMP, PAY4),
694 
695 	/* IPv4 -> GRE/NAT -> MAC/VLAN --> IPv6 */
696 	I40E_PTT(81, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, FRG, NONE, PAY3),
697 	I40E_PTT(82, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, NONE, PAY3),
698 	I40E_PTT(83, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, UDP,  PAY4),
699 	I40E_PTT_UNUSED_ENTRY(84),
700 	I40E_PTT(85, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, TCP,  PAY4),
701 	I40E_PTT(86, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, SCTP, PAY4),
702 	I40E_PTT(87, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, ICMP, PAY4),
703 
704 	/* Non Tunneled IPv6 */
705 	I40E_PTT(88, IP, IPV6, FRG, NONE, NONE, NOF, NONE, PAY3),
706 	I40E_PTT(89, IP, IPV6, NOF, NONE, NONE, NOF, NONE, PAY3),
707 	I40E_PTT(90, IP, IPV6, NOF, NONE, NONE, NOF, UDP,  PAY4),
708 	I40E_PTT_UNUSED_ENTRY(91),
709 	I40E_PTT(92, IP, IPV6, NOF, NONE, NONE, NOF, TCP,  PAY4),
710 	I40E_PTT(93, IP, IPV6, NOF, NONE, NONE, NOF, SCTP, PAY4),
711 	I40E_PTT(94, IP, IPV6, NOF, NONE, NONE, NOF, ICMP, PAY4),
712 
713 	/* IPv6 --> IPv4 */
714 	I40E_PTT(95,  IP, IPV6, NOF, IP_IP, IPV4, FRG, NONE, PAY3),
715 	I40E_PTT(96,  IP, IPV6, NOF, IP_IP, IPV4, NOF, NONE, PAY3),
716 	I40E_PTT(97,  IP, IPV6, NOF, IP_IP, IPV4, NOF, UDP,  PAY4),
717 	I40E_PTT_UNUSED_ENTRY(98),
718 	I40E_PTT(99,  IP, IPV6, NOF, IP_IP, IPV4, NOF, TCP,  PAY4),
719 	I40E_PTT(100, IP, IPV6, NOF, IP_IP, IPV4, NOF, SCTP, PAY4),
720 	I40E_PTT(101, IP, IPV6, NOF, IP_IP, IPV4, NOF, ICMP, PAY4),
721 
722 	/* IPv6 --> IPv6 */
723 	I40E_PTT(102, IP, IPV6, NOF, IP_IP, IPV6, FRG, NONE, PAY3),
724 	I40E_PTT(103, IP, IPV6, NOF, IP_IP, IPV6, NOF, NONE, PAY3),
725 	I40E_PTT(104, IP, IPV6, NOF, IP_IP, IPV6, NOF, UDP,  PAY4),
726 	I40E_PTT_UNUSED_ENTRY(105),
727 	I40E_PTT(106, IP, IPV6, NOF, IP_IP, IPV6, NOF, TCP,  PAY4),
728 	I40E_PTT(107, IP, IPV6, NOF, IP_IP, IPV6, NOF, SCTP, PAY4),
729 	I40E_PTT(108, IP, IPV6, NOF, IP_IP, IPV6, NOF, ICMP, PAY4),
730 
731 	/* IPv6 --> GRE/NAT */
732 	I40E_PTT(109, IP, IPV6, NOF, IP_GRENAT, NONE, NOF, NONE, PAY3),
733 
734 	/* IPv6 --> GRE/NAT -> IPv4 */
735 	I40E_PTT(110, IP, IPV6, NOF, IP_GRENAT, IPV4, FRG, NONE, PAY3),
736 	I40E_PTT(111, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, NONE, PAY3),
737 	I40E_PTT(112, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, UDP,  PAY4),
738 	I40E_PTT_UNUSED_ENTRY(113),
739 	I40E_PTT(114, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, TCP,  PAY4),
740 	I40E_PTT(115, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, SCTP, PAY4),
741 	I40E_PTT(116, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, ICMP, PAY4),
742 
743 	/* IPv6 --> GRE/NAT -> IPv6 */
744 	I40E_PTT(117, IP, IPV6, NOF, IP_GRENAT, IPV6, FRG, NONE, PAY3),
745 	I40E_PTT(118, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, NONE, PAY3),
746 	I40E_PTT(119, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, UDP,  PAY4),
747 	I40E_PTT_UNUSED_ENTRY(120),
748 	I40E_PTT(121, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, TCP,  PAY4),
749 	I40E_PTT(122, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, SCTP, PAY4),
750 	I40E_PTT(123, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, ICMP, PAY4),
751 
752 	/* IPv6 --> GRE/NAT -> MAC */
753 	I40E_PTT(124, IP, IPV6, NOF, IP_GRENAT_MAC, NONE, NOF, NONE, PAY3),
754 
755 	/* IPv6 --> GRE/NAT -> MAC -> IPv4 */
756 	I40E_PTT(125, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, FRG, NONE, PAY3),
757 	I40E_PTT(126, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, NONE, PAY3),
758 	I40E_PTT(127, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, UDP,  PAY4),
759 	I40E_PTT_UNUSED_ENTRY(128),
760 	I40E_PTT(129, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, TCP,  PAY4),
761 	I40E_PTT(130, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, SCTP, PAY4),
762 	I40E_PTT(131, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, ICMP, PAY4),
763 
764 	/* IPv6 --> GRE/NAT -> MAC -> IPv6 */
765 	I40E_PTT(132, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, FRG, NONE, PAY3),
766 	I40E_PTT(133, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, NONE, PAY3),
767 	I40E_PTT(134, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, UDP,  PAY4),
768 	I40E_PTT_UNUSED_ENTRY(135),
769 	I40E_PTT(136, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, TCP,  PAY4),
770 	I40E_PTT(137, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, SCTP, PAY4),
771 	I40E_PTT(138, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, ICMP, PAY4),
772 
773 	/* IPv6 --> GRE/NAT -> MAC/VLAN */
774 	I40E_PTT(139, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, NONE, NOF, NONE, PAY3),
775 
776 	/* IPv6 --> GRE/NAT -> MAC/VLAN --> IPv4 */
777 	I40E_PTT(140, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, FRG, NONE, PAY3),
778 	I40E_PTT(141, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, NONE, PAY3),
779 	I40E_PTT(142, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, UDP,  PAY4),
780 	I40E_PTT_UNUSED_ENTRY(143),
781 	I40E_PTT(144, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, TCP,  PAY4),
782 	I40E_PTT(145, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, SCTP, PAY4),
783 	I40E_PTT(146, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, ICMP, PAY4),
784 
785 	/* IPv6 --> GRE/NAT -> MAC/VLAN --> IPv6 */
786 	I40E_PTT(147, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, FRG, NONE, PAY3),
787 	I40E_PTT(148, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, NONE, PAY3),
788 	I40E_PTT(149, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, UDP,  PAY4),
789 	I40E_PTT_UNUSED_ENTRY(150),
790 	I40E_PTT(151, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, TCP,  PAY4),
791 	I40E_PTT(152, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, SCTP, PAY4),
792 	I40E_PTT(153, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, ICMP, PAY4),
793 
794 	/* unused entries */
795 	I40E_PTT_UNUSED_ENTRY(154),
796 	I40E_PTT_UNUSED_ENTRY(155),
797 	I40E_PTT_UNUSED_ENTRY(156),
798 	I40E_PTT_UNUSED_ENTRY(157),
799 	I40E_PTT_UNUSED_ENTRY(158),
800 	I40E_PTT_UNUSED_ENTRY(159),
801 
802 	I40E_PTT_UNUSED_ENTRY(160),
803 	I40E_PTT_UNUSED_ENTRY(161),
804 	I40E_PTT_UNUSED_ENTRY(162),
805 	I40E_PTT_UNUSED_ENTRY(163),
806 	I40E_PTT_UNUSED_ENTRY(164),
807 	I40E_PTT_UNUSED_ENTRY(165),
808 	I40E_PTT_UNUSED_ENTRY(166),
809 	I40E_PTT_UNUSED_ENTRY(167),
810 	I40E_PTT_UNUSED_ENTRY(168),
811 	I40E_PTT_UNUSED_ENTRY(169),
812 
813 	I40E_PTT_UNUSED_ENTRY(170),
814 	I40E_PTT_UNUSED_ENTRY(171),
815 	I40E_PTT_UNUSED_ENTRY(172),
816 	I40E_PTT_UNUSED_ENTRY(173),
817 	I40E_PTT_UNUSED_ENTRY(174),
818 	I40E_PTT_UNUSED_ENTRY(175),
819 	I40E_PTT_UNUSED_ENTRY(176),
820 	I40E_PTT_UNUSED_ENTRY(177),
821 	I40E_PTT_UNUSED_ENTRY(178),
822 	I40E_PTT_UNUSED_ENTRY(179),
823 
824 	I40E_PTT_UNUSED_ENTRY(180),
825 	I40E_PTT_UNUSED_ENTRY(181),
826 	I40E_PTT_UNUSED_ENTRY(182),
827 	I40E_PTT_UNUSED_ENTRY(183),
828 	I40E_PTT_UNUSED_ENTRY(184),
829 	I40E_PTT_UNUSED_ENTRY(185),
830 	I40E_PTT_UNUSED_ENTRY(186),
831 	I40E_PTT_UNUSED_ENTRY(187),
832 	I40E_PTT_UNUSED_ENTRY(188),
833 	I40E_PTT_UNUSED_ENTRY(189),
834 
835 	I40E_PTT_UNUSED_ENTRY(190),
836 	I40E_PTT_UNUSED_ENTRY(191),
837 	I40E_PTT_UNUSED_ENTRY(192),
838 	I40E_PTT_UNUSED_ENTRY(193),
839 	I40E_PTT_UNUSED_ENTRY(194),
840 	I40E_PTT_UNUSED_ENTRY(195),
841 	I40E_PTT_UNUSED_ENTRY(196),
842 	I40E_PTT_UNUSED_ENTRY(197),
843 	I40E_PTT_UNUSED_ENTRY(198),
844 	I40E_PTT_UNUSED_ENTRY(199),
845 
846 	I40E_PTT_UNUSED_ENTRY(200),
847 	I40E_PTT_UNUSED_ENTRY(201),
848 	I40E_PTT_UNUSED_ENTRY(202),
849 	I40E_PTT_UNUSED_ENTRY(203),
850 	I40E_PTT_UNUSED_ENTRY(204),
851 	I40E_PTT_UNUSED_ENTRY(205),
852 	I40E_PTT_UNUSED_ENTRY(206),
853 	I40E_PTT_UNUSED_ENTRY(207),
854 	I40E_PTT_UNUSED_ENTRY(208),
855 	I40E_PTT_UNUSED_ENTRY(209),
856 
857 	I40E_PTT_UNUSED_ENTRY(210),
858 	I40E_PTT_UNUSED_ENTRY(211),
859 	I40E_PTT_UNUSED_ENTRY(212),
860 	I40E_PTT_UNUSED_ENTRY(213),
861 	I40E_PTT_UNUSED_ENTRY(214),
862 	I40E_PTT_UNUSED_ENTRY(215),
863 	I40E_PTT_UNUSED_ENTRY(216),
864 	I40E_PTT_UNUSED_ENTRY(217),
865 	I40E_PTT_UNUSED_ENTRY(218),
866 	I40E_PTT_UNUSED_ENTRY(219),
867 
868 	I40E_PTT_UNUSED_ENTRY(220),
869 	I40E_PTT_UNUSED_ENTRY(221),
870 	I40E_PTT_UNUSED_ENTRY(222),
871 	I40E_PTT_UNUSED_ENTRY(223),
872 	I40E_PTT_UNUSED_ENTRY(224),
873 	I40E_PTT_UNUSED_ENTRY(225),
874 	I40E_PTT_UNUSED_ENTRY(226),
875 	I40E_PTT_UNUSED_ENTRY(227),
876 	I40E_PTT_UNUSED_ENTRY(228),
877 	I40E_PTT_UNUSED_ENTRY(229),
878 
879 	I40E_PTT_UNUSED_ENTRY(230),
880 	I40E_PTT_UNUSED_ENTRY(231),
881 	I40E_PTT_UNUSED_ENTRY(232),
882 	I40E_PTT_UNUSED_ENTRY(233),
883 	I40E_PTT_UNUSED_ENTRY(234),
884 	I40E_PTT_UNUSED_ENTRY(235),
885 	I40E_PTT_UNUSED_ENTRY(236),
886 	I40E_PTT_UNUSED_ENTRY(237),
887 	I40E_PTT_UNUSED_ENTRY(238),
888 	I40E_PTT_UNUSED_ENTRY(239),
889 
890 	I40E_PTT_UNUSED_ENTRY(240),
891 	I40E_PTT_UNUSED_ENTRY(241),
892 	I40E_PTT_UNUSED_ENTRY(242),
893 	I40E_PTT_UNUSED_ENTRY(243),
894 	I40E_PTT_UNUSED_ENTRY(244),
895 	I40E_PTT_UNUSED_ENTRY(245),
896 	I40E_PTT_UNUSED_ENTRY(246),
897 	I40E_PTT_UNUSED_ENTRY(247),
898 	I40E_PTT_UNUSED_ENTRY(248),
899 	I40E_PTT_UNUSED_ENTRY(249),
900 
901 	I40E_PTT_UNUSED_ENTRY(250),
902 	I40E_PTT_UNUSED_ENTRY(251),
903 	I40E_PTT_UNUSED_ENTRY(252),
904 	I40E_PTT_UNUSED_ENTRY(253),
905 	I40E_PTT_UNUSED_ENTRY(254),
906 	I40E_PTT_UNUSED_ENTRY(255)
907 };
908 
909 /**
910  * i40e_init_shared_code - Initialize the shared code
911  * @hw: pointer to hardware structure
912  *
913  * This assigns the MAC type and PHY code and inits the NVM.
914  * Does not touch the hardware. This function must be called prior to any
915  * other function in the shared code. The i40e_hw structure should be
916  * memset to 0 prior to calling this function.  The following fields in
917  * hw structure should be filled in prior to calling this function:
918  * hw_addr, back, device_id, vendor_id, subsystem_device_id,
919  * subsystem_vendor_id, and revision_id
920  **/
921 i40e_status i40e_init_shared_code(struct i40e_hw *hw)
922 {
923 	i40e_status status = 0;
924 	u32 port, ari, func_rid;
925 
926 	i40e_set_mac_type(hw);
927 
928 	switch (hw->mac.type) {
929 	case I40E_MAC_XL710:
930 	case I40E_MAC_X722:
931 		break;
932 	default:
933 		return I40E_ERR_DEVICE_NOT_SUPPORTED;
934 	}
935 
936 	hw->phy.get_link_info = true;
937 
938 	/* Determine port number and PF number*/
939 	port = (rd32(hw, I40E_PFGEN_PORTNUM) & I40E_PFGEN_PORTNUM_PORT_NUM_MASK)
940 					   >> I40E_PFGEN_PORTNUM_PORT_NUM_SHIFT;
941 	hw->port = (u8)port;
942 	ari = (rd32(hw, I40E_GLPCI_CAPSUP) & I40E_GLPCI_CAPSUP_ARI_EN_MASK) >>
943 						 I40E_GLPCI_CAPSUP_ARI_EN_SHIFT;
944 	func_rid = rd32(hw, I40E_PF_FUNC_RID);
945 	if (ari)
946 		hw->pf_id = (u8)(func_rid & 0xff);
947 	else
948 		hw->pf_id = (u8)(func_rid & 0x7);
949 
950 	if (hw->mac.type == I40E_MAC_X722)
951 		hw->flags |= I40E_HW_FLAG_AQ_SRCTL_ACCESS_ENABLE;
952 
953 	status = i40e_init_nvm(hw);
954 	return status;
955 }
956 
957 /**
958  * i40e_aq_mac_address_read - Retrieve the MAC addresses
959  * @hw: pointer to the hw struct
960  * @flags: a return indicator of what addresses were added to the addr store
961  * @addrs: the requestor's mac addr store
962  * @cmd_details: pointer to command details structure or NULL
963  **/
964 static i40e_status i40e_aq_mac_address_read(struct i40e_hw *hw,
965 				   u16 *flags,
966 				   struct i40e_aqc_mac_address_read_data *addrs,
967 				   struct i40e_asq_cmd_details *cmd_details)
968 {
969 	struct i40e_aq_desc desc;
970 	struct i40e_aqc_mac_address_read *cmd_data =
971 		(struct i40e_aqc_mac_address_read *)&desc.params.raw;
972 	i40e_status status;
973 
974 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_mac_address_read);
975 	desc.flags |= cpu_to_le16(I40E_AQ_FLAG_BUF);
976 
977 	status = i40e_asq_send_command(hw, &desc, addrs,
978 				       sizeof(*addrs), cmd_details);
979 	*flags = le16_to_cpu(cmd_data->command_flags);
980 
981 	return status;
982 }
983 
984 /**
985  * i40e_aq_mac_address_write - Change the MAC addresses
986  * @hw: pointer to the hw struct
987  * @flags: indicates which MAC to be written
988  * @mac_addr: address to write
989  * @cmd_details: pointer to command details structure or NULL
990  **/
991 i40e_status i40e_aq_mac_address_write(struct i40e_hw *hw,
992 				    u16 flags, u8 *mac_addr,
993 				    struct i40e_asq_cmd_details *cmd_details)
994 {
995 	struct i40e_aq_desc desc;
996 	struct i40e_aqc_mac_address_write *cmd_data =
997 		(struct i40e_aqc_mac_address_write *)&desc.params.raw;
998 	i40e_status status;
999 
1000 	i40e_fill_default_direct_cmd_desc(&desc,
1001 					  i40e_aqc_opc_mac_address_write);
1002 	cmd_data->command_flags = cpu_to_le16(flags);
1003 	cmd_data->mac_sah = cpu_to_le16((u16)mac_addr[0] << 8 | mac_addr[1]);
1004 	cmd_data->mac_sal = cpu_to_le32(((u32)mac_addr[2] << 24) |
1005 					((u32)mac_addr[3] << 16) |
1006 					((u32)mac_addr[4] << 8) |
1007 					mac_addr[5]);
1008 
1009 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1010 
1011 	return status;
1012 }
1013 
1014 /**
1015  * i40e_get_mac_addr - get MAC address
1016  * @hw: pointer to the HW structure
1017  * @mac_addr: pointer to MAC address
1018  *
1019  * Reads the adapter's MAC address from register
1020  **/
1021 i40e_status i40e_get_mac_addr(struct i40e_hw *hw, u8 *mac_addr)
1022 {
1023 	struct i40e_aqc_mac_address_read_data addrs;
1024 	i40e_status status;
1025 	u16 flags = 0;
1026 
1027 	status = i40e_aq_mac_address_read(hw, &flags, &addrs, NULL);
1028 
1029 	if (flags & I40E_AQC_LAN_ADDR_VALID)
1030 		ether_addr_copy(mac_addr, addrs.pf_lan_mac);
1031 
1032 	return status;
1033 }
1034 
1035 /**
1036  * i40e_get_port_mac_addr - get Port MAC address
1037  * @hw: pointer to the HW structure
1038  * @mac_addr: pointer to Port MAC address
1039  *
1040  * Reads the adapter's Port MAC address
1041  **/
1042 i40e_status i40e_get_port_mac_addr(struct i40e_hw *hw, u8 *mac_addr)
1043 {
1044 	struct i40e_aqc_mac_address_read_data addrs;
1045 	i40e_status status;
1046 	u16 flags = 0;
1047 
1048 	status = i40e_aq_mac_address_read(hw, &flags, &addrs, NULL);
1049 	if (status)
1050 		return status;
1051 
1052 	if (flags & I40E_AQC_PORT_ADDR_VALID)
1053 		ether_addr_copy(mac_addr, addrs.port_mac);
1054 	else
1055 		status = I40E_ERR_INVALID_MAC_ADDR;
1056 
1057 	return status;
1058 }
1059 
1060 /**
1061  * i40e_pre_tx_queue_cfg - pre tx queue configure
1062  * @hw: pointer to the HW structure
1063  * @queue: target PF queue index
1064  * @enable: state change request
1065  *
1066  * Handles hw requirement to indicate intention to enable
1067  * or disable target queue.
1068  **/
1069 void i40e_pre_tx_queue_cfg(struct i40e_hw *hw, u32 queue, bool enable)
1070 {
1071 	u32 abs_queue_idx = hw->func_caps.base_queue + queue;
1072 	u32 reg_block = 0;
1073 	u32 reg_val;
1074 
1075 	if (abs_queue_idx >= 128) {
1076 		reg_block = abs_queue_idx / 128;
1077 		abs_queue_idx %= 128;
1078 	}
1079 
1080 	reg_val = rd32(hw, I40E_GLLAN_TXPRE_QDIS(reg_block));
1081 	reg_val &= ~I40E_GLLAN_TXPRE_QDIS_QINDX_MASK;
1082 	reg_val |= (abs_queue_idx << I40E_GLLAN_TXPRE_QDIS_QINDX_SHIFT);
1083 
1084 	if (enable)
1085 		reg_val |= I40E_GLLAN_TXPRE_QDIS_CLEAR_QDIS_MASK;
1086 	else
1087 		reg_val |= I40E_GLLAN_TXPRE_QDIS_SET_QDIS_MASK;
1088 
1089 	wr32(hw, I40E_GLLAN_TXPRE_QDIS(reg_block), reg_val);
1090 }
1091 
1092 /**
1093  *  i40e_read_pba_string - Reads part number string from EEPROM
1094  *  @hw: pointer to hardware structure
1095  *  @pba_num: stores the part number string from the EEPROM
1096  *  @pba_num_size: part number string buffer length
1097  *
1098  *  Reads the part number string from the EEPROM.
1099  **/
1100 i40e_status i40e_read_pba_string(struct i40e_hw *hw, u8 *pba_num,
1101 				 u32 pba_num_size)
1102 {
1103 	i40e_status status = 0;
1104 	u16 pba_word = 0;
1105 	u16 pba_size = 0;
1106 	u16 pba_ptr = 0;
1107 	u16 i = 0;
1108 
1109 	status = i40e_read_nvm_word(hw, I40E_SR_PBA_FLAGS, &pba_word);
1110 	if (status || (pba_word != 0xFAFA)) {
1111 		hw_dbg(hw, "Failed to read PBA flags or flag is invalid.\n");
1112 		return status;
1113 	}
1114 
1115 	status = i40e_read_nvm_word(hw, I40E_SR_PBA_BLOCK_PTR, &pba_ptr);
1116 	if (status) {
1117 		hw_dbg(hw, "Failed to read PBA Block pointer.\n");
1118 		return status;
1119 	}
1120 
1121 	status = i40e_read_nvm_word(hw, pba_ptr, &pba_size);
1122 	if (status) {
1123 		hw_dbg(hw, "Failed to read PBA Block size.\n");
1124 		return status;
1125 	}
1126 
1127 	/* Subtract one to get PBA word count (PBA Size word is included in
1128 	 * total size)
1129 	 */
1130 	pba_size--;
1131 	if (pba_num_size < (((u32)pba_size * 2) + 1)) {
1132 		hw_dbg(hw, "Buffer to small for PBA data.\n");
1133 		return I40E_ERR_PARAM;
1134 	}
1135 
1136 	for (i = 0; i < pba_size; i++) {
1137 		status = i40e_read_nvm_word(hw, (pba_ptr + 1) + i, &pba_word);
1138 		if (status) {
1139 			hw_dbg(hw, "Failed to read PBA Block word %d.\n", i);
1140 			return status;
1141 		}
1142 
1143 		pba_num[(i * 2)] = (pba_word >> 8) & 0xFF;
1144 		pba_num[(i * 2) + 1] = pba_word & 0xFF;
1145 	}
1146 	pba_num[(pba_size * 2)] = '\0';
1147 
1148 	return status;
1149 }
1150 
1151 /**
1152  * i40e_get_media_type - Gets media type
1153  * @hw: pointer to the hardware structure
1154  **/
1155 static enum i40e_media_type i40e_get_media_type(struct i40e_hw *hw)
1156 {
1157 	enum i40e_media_type media;
1158 
1159 	switch (hw->phy.link_info.phy_type) {
1160 	case I40E_PHY_TYPE_10GBASE_SR:
1161 	case I40E_PHY_TYPE_10GBASE_LR:
1162 	case I40E_PHY_TYPE_1000BASE_SX:
1163 	case I40E_PHY_TYPE_1000BASE_LX:
1164 	case I40E_PHY_TYPE_40GBASE_SR4:
1165 	case I40E_PHY_TYPE_40GBASE_LR4:
1166 	case I40E_PHY_TYPE_25GBASE_LR:
1167 	case I40E_PHY_TYPE_25GBASE_SR:
1168 		media = I40E_MEDIA_TYPE_FIBER;
1169 		break;
1170 	case I40E_PHY_TYPE_100BASE_TX:
1171 	case I40E_PHY_TYPE_1000BASE_T:
1172 	case I40E_PHY_TYPE_10GBASE_T:
1173 		media = I40E_MEDIA_TYPE_BASET;
1174 		break;
1175 	case I40E_PHY_TYPE_10GBASE_CR1_CU:
1176 	case I40E_PHY_TYPE_40GBASE_CR4_CU:
1177 	case I40E_PHY_TYPE_10GBASE_CR1:
1178 	case I40E_PHY_TYPE_40GBASE_CR4:
1179 	case I40E_PHY_TYPE_10GBASE_SFPP_CU:
1180 	case I40E_PHY_TYPE_40GBASE_AOC:
1181 	case I40E_PHY_TYPE_10GBASE_AOC:
1182 	case I40E_PHY_TYPE_25GBASE_CR:
1183 	case I40E_PHY_TYPE_25GBASE_AOC:
1184 	case I40E_PHY_TYPE_25GBASE_ACC:
1185 		media = I40E_MEDIA_TYPE_DA;
1186 		break;
1187 	case I40E_PHY_TYPE_1000BASE_KX:
1188 	case I40E_PHY_TYPE_10GBASE_KX4:
1189 	case I40E_PHY_TYPE_10GBASE_KR:
1190 	case I40E_PHY_TYPE_40GBASE_KR4:
1191 	case I40E_PHY_TYPE_20GBASE_KR2:
1192 	case I40E_PHY_TYPE_25GBASE_KR:
1193 		media = I40E_MEDIA_TYPE_BACKPLANE;
1194 		break;
1195 	case I40E_PHY_TYPE_SGMII:
1196 	case I40E_PHY_TYPE_XAUI:
1197 	case I40E_PHY_TYPE_XFI:
1198 	case I40E_PHY_TYPE_XLAUI:
1199 	case I40E_PHY_TYPE_XLPPI:
1200 	default:
1201 		media = I40E_MEDIA_TYPE_UNKNOWN;
1202 		break;
1203 	}
1204 
1205 	return media;
1206 }
1207 
1208 #define I40E_PF_RESET_WAIT_COUNT_A0	200
1209 #define I40E_PF_RESET_WAIT_COUNT	200
1210 /**
1211  * i40e_pf_reset - Reset the PF
1212  * @hw: pointer to the hardware structure
1213  *
1214  * Assuming someone else has triggered a global reset,
1215  * assure the global reset is complete and then reset the PF
1216  **/
1217 i40e_status i40e_pf_reset(struct i40e_hw *hw)
1218 {
1219 	u32 cnt = 0;
1220 	u32 cnt1 = 0;
1221 	u32 reg = 0;
1222 	u32 grst_del;
1223 
1224 	/* Poll for Global Reset steady state in case of recent GRST.
1225 	 * The grst delay value is in 100ms units, and we'll wait a
1226 	 * couple counts longer to be sure we don't just miss the end.
1227 	 */
1228 	grst_del = (rd32(hw, I40E_GLGEN_RSTCTL) &
1229 		    I40E_GLGEN_RSTCTL_GRSTDEL_MASK) >>
1230 		    I40E_GLGEN_RSTCTL_GRSTDEL_SHIFT;
1231 
1232 	/* It can take upto 15 secs for GRST steady state.
1233 	 * Bump it to 16 secs max to be safe.
1234 	 */
1235 	grst_del = grst_del * 20;
1236 
1237 	for (cnt = 0; cnt < grst_del; cnt++) {
1238 		reg = rd32(hw, I40E_GLGEN_RSTAT);
1239 		if (!(reg & I40E_GLGEN_RSTAT_DEVSTATE_MASK))
1240 			break;
1241 		msleep(100);
1242 	}
1243 	if (reg & I40E_GLGEN_RSTAT_DEVSTATE_MASK) {
1244 		hw_dbg(hw, "Global reset polling failed to complete.\n");
1245 		return I40E_ERR_RESET_FAILED;
1246 	}
1247 
1248 	/* Now Wait for the FW to be ready */
1249 	for (cnt1 = 0; cnt1 < I40E_PF_RESET_WAIT_COUNT; cnt1++) {
1250 		reg = rd32(hw, I40E_GLNVM_ULD);
1251 		reg &= (I40E_GLNVM_ULD_CONF_CORE_DONE_MASK |
1252 			I40E_GLNVM_ULD_CONF_GLOBAL_DONE_MASK);
1253 		if (reg == (I40E_GLNVM_ULD_CONF_CORE_DONE_MASK |
1254 			    I40E_GLNVM_ULD_CONF_GLOBAL_DONE_MASK)) {
1255 			hw_dbg(hw, "Core and Global modules ready %d\n", cnt1);
1256 			break;
1257 		}
1258 		usleep_range(10000, 20000);
1259 	}
1260 	if (!(reg & (I40E_GLNVM_ULD_CONF_CORE_DONE_MASK |
1261 		     I40E_GLNVM_ULD_CONF_GLOBAL_DONE_MASK))) {
1262 		hw_dbg(hw, "wait for FW Reset complete timedout\n");
1263 		hw_dbg(hw, "I40E_GLNVM_ULD = 0x%x\n", reg);
1264 		return I40E_ERR_RESET_FAILED;
1265 	}
1266 
1267 	/* If there was a Global Reset in progress when we got here,
1268 	 * we don't need to do the PF Reset
1269 	 */
1270 	if (!cnt) {
1271 		if (hw->revision_id == 0)
1272 			cnt = I40E_PF_RESET_WAIT_COUNT_A0;
1273 		else
1274 			cnt = I40E_PF_RESET_WAIT_COUNT;
1275 		reg = rd32(hw, I40E_PFGEN_CTRL);
1276 		wr32(hw, I40E_PFGEN_CTRL,
1277 		     (reg | I40E_PFGEN_CTRL_PFSWR_MASK));
1278 		for (; cnt; cnt--) {
1279 			reg = rd32(hw, I40E_PFGEN_CTRL);
1280 			if (!(reg & I40E_PFGEN_CTRL_PFSWR_MASK))
1281 				break;
1282 			usleep_range(1000, 2000);
1283 		}
1284 		if (reg & I40E_PFGEN_CTRL_PFSWR_MASK) {
1285 			hw_dbg(hw, "PF reset polling failed to complete.\n");
1286 			return I40E_ERR_RESET_FAILED;
1287 		}
1288 	}
1289 
1290 	i40e_clear_pxe_mode(hw);
1291 
1292 	return 0;
1293 }
1294 
1295 /**
1296  * i40e_clear_hw - clear out any left over hw state
1297  * @hw: pointer to the hw struct
1298  *
1299  * Clear queues and interrupts, typically called at init time,
1300  * but after the capabilities have been found so we know how many
1301  * queues and msix vectors have been allocated.
1302  **/
1303 void i40e_clear_hw(struct i40e_hw *hw)
1304 {
1305 	u32 num_queues, base_queue;
1306 	u32 num_pf_int;
1307 	u32 num_vf_int;
1308 	u32 num_vfs;
1309 	u32 i, j;
1310 	u32 val;
1311 	u32 eol = 0x7ff;
1312 
1313 	/* get number of interrupts, queues, and VFs */
1314 	val = rd32(hw, I40E_GLPCI_CNF2);
1315 	num_pf_int = (val & I40E_GLPCI_CNF2_MSI_X_PF_N_MASK) >>
1316 		     I40E_GLPCI_CNF2_MSI_X_PF_N_SHIFT;
1317 	num_vf_int = (val & I40E_GLPCI_CNF2_MSI_X_VF_N_MASK) >>
1318 		     I40E_GLPCI_CNF2_MSI_X_VF_N_SHIFT;
1319 
1320 	val = rd32(hw, I40E_PFLAN_QALLOC);
1321 	base_queue = (val & I40E_PFLAN_QALLOC_FIRSTQ_MASK) >>
1322 		     I40E_PFLAN_QALLOC_FIRSTQ_SHIFT;
1323 	j = (val & I40E_PFLAN_QALLOC_LASTQ_MASK) >>
1324 	    I40E_PFLAN_QALLOC_LASTQ_SHIFT;
1325 	if (val & I40E_PFLAN_QALLOC_VALID_MASK)
1326 		num_queues = (j - base_queue) + 1;
1327 	else
1328 		num_queues = 0;
1329 
1330 	val = rd32(hw, I40E_PF_VT_PFALLOC);
1331 	i = (val & I40E_PF_VT_PFALLOC_FIRSTVF_MASK) >>
1332 	    I40E_PF_VT_PFALLOC_FIRSTVF_SHIFT;
1333 	j = (val & I40E_PF_VT_PFALLOC_LASTVF_MASK) >>
1334 	    I40E_PF_VT_PFALLOC_LASTVF_SHIFT;
1335 	if (val & I40E_PF_VT_PFALLOC_VALID_MASK)
1336 		num_vfs = (j - i) + 1;
1337 	else
1338 		num_vfs = 0;
1339 
1340 	/* stop all the interrupts */
1341 	wr32(hw, I40E_PFINT_ICR0_ENA, 0);
1342 	val = 0x3 << I40E_PFINT_DYN_CTLN_ITR_INDX_SHIFT;
1343 	for (i = 0; i < num_pf_int - 2; i++)
1344 		wr32(hw, I40E_PFINT_DYN_CTLN(i), val);
1345 
1346 	/* Set the FIRSTQ_INDX field to 0x7FF in PFINT_LNKLSTx */
1347 	val = eol << I40E_PFINT_LNKLST0_FIRSTQ_INDX_SHIFT;
1348 	wr32(hw, I40E_PFINT_LNKLST0, val);
1349 	for (i = 0; i < num_pf_int - 2; i++)
1350 		wr32(hw, I40E_PFINT_LNKLSTN(i), val);
1351 	val = eol << I40E_VPINT_LNKLST0_FIRSTQ_INDX_SHIFT;
1352 	for (i = 0; i < num_vfs; i++)
1353 		wr32(hw, I40E_VPINT_LNKLST0(i), val);
1354 	for (i = 0; i < num_vf_int - 2; i++)
1355 		wr32(hw, I40E_VPINT_LNKLSTN(i), val);
1356 
1357 	/* warn the HW of the coming Tx disables */
1358 	for (i = 0; i < num_queues; i++) {
1359 		u32 abs_queue_idx = base_queue + i;
1360 		u32 reg_block = 0;
1361 
1362 		if (abs_queue_idx >= 128) {
1363 			reg_block = abs_queue_idx / 128;
1364 			abs_queue_idx %= 128;
1365 		}
1366 
1367 		val = rd32(hw, I40E_GLLAN_TXPRE_QDIS(reg_block));
1368 		val &= ~I40E_GLLAN_TXPRE_QDIS_QINDX_MASK;
1369 		val |= (abs_queue_idx << I40E_GLLAN_TXPRE_QDIS_QINDX_SHIFT);
1370 		val |= I40E_GLLAN_TXPRE_QDIS_SET_QDIS_MASK;
1371 
1372 		wr32(hw, I40E_GLLAN_TXPRE_QDIS(reg_block), val);
1373 	}
1374 	udelay(400);
1375 
1376 	/* stop all the queues */
1377 	for (i = 0; i < num_queues; i++) {
1378 		wr32(hw, I40E_QINT_TQCTL(i), 0);
1379 		wr32(hw, I40E_QTX_ENA(i), 0);
1380 		wr32(hw, I40E_QINT_RQCTL(i), 0);
1381 		wr32(hw, I40E_QRX_ENA(i), 0);
1382 	}
1383 
1384 	/* short wait for all queue disables to settle */
1385 	udelay(50);
1386 }
1387 
1388 /**
1389  * i40e_clear_pxe_mode - clear pxe operations mode
1390  * @hw: pointer to the hw struct
1391  *
1392  * Make sure all PXE mode settings are cleared, including things
1393  * like descriptor fetch/write-back mode.
1394  **/
1395 void i40e_clear_pxe_mode(struct i40e_hw *hw)
1396 {
1397 	u32 reg;
1398 
1399 	if (i40e_check_asq_alive(hw))
1400 		i40e_aq_clear_pxe_mode(hw, NULL);
1401 
1402 	/* Clear single descriptor fetch/write-back mode */
1403 	reg = rd32(hw, I40E_GLLAN_RCTL_0);
1404 
1405 	if (hw->revision_id == 0) {
1406 		/* As a work around clear PXE_MODE instead of setting it */
1407 		wr32(hw, I40E_GLLAN_RCTL_0, (reg & (~I40E_GLLAN_RCTL_0_PXE_MODE_MASK)));
1408 	} else {
1409 		wr32(hw, I40E_GLLAN_RCTL_0, (reg | I40E_GLLAN_RCTL_0_PXE_MODE_MASK));
1410 	}
1411 }
1412 
1413 /**
1414  * i40e_led_is_mine - helper to find matching led
1415  * @hw: pointer to the hw struct
1416  * @idx: index into GPIO registers
1417  *
1418  * returns: 0 if no match, otherwise the value of the GPIO_CTL register
1419  */
1420 static u32 i40e_led_is_mine(struct i40e_hw *hw, int idx)
1421 {
1422 	u32 gpio_val = 0;
1423 	u32 port;
1424 
1425 	if (!hw->func_caps.led[idx])
1426 		return 0;
1427 
1428 	gpio_val = rd32(hw, I40E_GLGEN_GPIO_CTL(idx));
1429 	port = (gpio_val & I40E_GLGEN_GPIO_CTL_PRT_NUM_MASK) >>
1430 		I40E_GLGEN_GPIO_CTL_PRT_NUM_SHIFT;
1431 
1432 	/* if PRT_NUM_NA is 1 then this LED is not port specific, OR
1433 	 * if it is not our port then ignore
1434 	 */
1435 	if ((gpio_val & I40E_GLGEN_GPIO_CTL_PRT_NUM_NA_MASK) ||
1436 	    (port != hw->port))
1437 		return 0;
1438 
1439 	return gpio_val;
1440 }
1441 
1442 #define I40E_COMBINED_ACTIVITY 0xA
1443 #define I40E_FILTER_ACTIVITY 0xE
1444 #define I40E_LINK_ACTIVITY 0xC
1445 #define I40E_MAC_ACTIVITY 0xD
1446 #define I40E_LED0 22
1447 
1448 /**
1449  * i40e_led_get - return current on/off mode
1450  * @hw: pointer to the hw struct
1451  *
1452  * The value returned is the 'mode' field as defined in the
1453  * GPIO register definitions: 0x0 = off, 0xf = on, and other
1454  * values are variations of possible behaviors relating to
1455  * blink, link, and wire.
1456  **/
1457 u32 i40e_led_get(struct i40e_hw *hw)
1458 {
1459 	u32 current_mode = 0;
1460 	u32 mode = 0;
1461 	int i;
1462 
1463 	/* as per the documentation GPIO 22-29 are the LED
1464 	 * GPIO pins named LED0..LED7
1465 	 */
1466 	for (i = I40E_LED0; i <= I40E_GLGEN_GPIO_CTL_MAX_INDEX; i++) {
1467 		u32 gpio_val = i40e_led_is_mine(hw, i);
1468 
1469 		if (!gpio_val)
1470 			continue;
1471 
1472 		/* ignore gpio LED src mode entries related to the activity
1473 		 * LEDs
1474 		 */
1475 		current_mode = ((gpio_val & I40E_GLGEN_GPIO_CTL_LED_MODE_MASK)
1476 				>> I40E_GLGEN_GPIO_CTL_LED_MODE_SHIFT);
1477 		switch (current_mode) {
1478 		case I40E_COMBINED_ACTIVITY:
1479 		case I40E_FILTER_ACTIVITY:
1480 		case I40E_MAC_ACTIVITY:
1481 			continue;
1482 		default:
1483 			break;
1484 		}
1485 
1486 		mode = (gpio_val & I40E_GLGEN_GPIO_CTL_LED_MODE_MASK) >>
1487 			I40E_GLGEN_GPIO_CTL_LED_MODE_SHIFT;
1488 		break;
1489 	}
1490 
1491 	return mode;
1492 }
1493 
1494 /**
1495  * i40e_led_set - set new on/off mode
1496  * @hw: pointer to the hw struct
1497  * @mode: 0=off, 0xf=on (else see manual for mode details)
1498  * @blink: true if the LED should blink when on, false if steady
1499  *
1500  * if this function is used to turn on the blink it should
1501  * be used to disable the blink when restoring the original state.
1502  **/
1503 void i40e_led_set(struct i40e_hw *hw, u32 mode, bool blink)
1504 {
1505 	u32 current_mode = 0;
1506 	int i;
1507 
1508 	if (mode & 0xfffffff0)
1509 		hw_dbg(hw, "invalid mode passed in %X\n", mode);
1510 
1511 	/* as per the documentation GPIO 22-29 are the LED
1512 	 * GPIO pins named LED0..LED7
1513 	 */
1514 	for (i = I40E_LED0; i <= I40E_GLGEN_GPIO_CTL_MAX_INDEX; i++) {
1515 		u32 gpio_val = i40e_led_is_mine(hw, i);
1516 
1517 		if (!gpio_val)
1518 			continue;
1519 
1520 		/* ignore gpio LED src mode entries related to the activity
1521 		 * LEDs
1522 		 */
1523 		current_mode = ((gpio_val & I40E_GLGEN_GPIO_CTL_LED_MODE_MASK)
1524 				>> I40E_GLGEN_GPIO_CTL_LED_MODE_SHIFT);
1525 		switch (current_mode) {
1526 		case I40E_COMBINED_ACTIVITY:
1527 		case I40E_FILTER_ACTIVITY:
1528 		case I40E_MAC_ACTIVITY:
1529 			continue;
1530 		default:
1531 			break;
1532 		}
1533 
1534 		gpio_val &= ~I40E_GLGEN_GPIO_CTL_LED_MODE_MASK;
1535 		/* this & is a bit of paranoia, but serves as a range check */
1536 		gpio_val |= ((mode << I40E_GLGEN_GPIO_CTL_LED_MODE_SHIFT) &
1537 			     I40E_GLGEN_GPIO_CTL_LED_MODE_MASK);
1538 
1539 		if (mode == I40E_LINK_ACTIVITY)
1540 			blink = false;
1541 
1542 		if (blink)
1543 			gpio_val |= BIT(I40E_GLGEN_GPIO_CTL_LED_BLINK_SHIFT);
1544 		else
1545 			gpio_val &= ~BIT(I40E_GLGEN_GPIO_CTL_LED_BLINK_SHIFT);
1546 
1547 		wr32(hw, I40E_GLGEN_GPIO_CTL(i), gpio_val);
1548 		break;
1549 	}
1550 }
1551 
1552 /* Admin command wrappers */
1553 
1554 /**
1555  * i40e_aq_get_phy_capabilities
1556  * @hw: pointer to the hw struct
1557  * @abilities: structure for PHY capabilities to be filled
1558  * @qualified_modules: report Qualified Modules
1559  * @report_init: report init capabilities (active are default)
1560  * @cmd_details: pointer to command details structure or NULL
1561  *
1562  * Returns the various PHY abilities supported on the Port.
1563  **/
1564 i40e_status i40e_aq_get_phy_capabilities(struct i40e_hw *hw,
1565 			bool qualified_modules, bool report_init,
1566 			struct i40e_aq_get_phy_abilities_resp *abilities,
1567 			struct i40e_asq_cmd_details *cmd_details)
1568 {
1569 	struct i40e_aq_desc desc;
1570 	i40e_status status;
1571 	u16 abilities_size = sizeof(struct i40e_aq_get_phy_abilities_resp);
1572 	u16 max_delay = I40E_MAX_PHY_TIMEOUT, total_delay = 0;
1573 
1574 	if (!abilities)
1575 		return I40E_ERR_PARAM;
1576 
1577 	do {
1578 		i40e_fill_default_direct_cmd_desc(&desc,
1579 					       i40e_aqc_opc_get_phy_abilities);
1580 
1581 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
1582 		if (abilities_size > I40E_AQ_LARGE_BUF)
1583 			desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
1584 
1585 		if (qualified_modules)
1586 			desc.params.external.param0 |=
1587 			cpu_to_le32(I40E_AQ_PHY_REPORT_QUALIFIED_MODULES);
1588 
1589 		if (report_init)
1590 			desc.params.external.param0 |=
1591 			cpu_to_le32(I40E_AQ_PHY_REPORT_INITIAL_VALUES);
1592 
1593 		status = i40e_asq_send_command(hw, &desc, abilities,
1594 					       abilities_size, cmd_details);
1595 
1596 		if (status)
1597 			break;
1598 
1599 		if (hw->aq.asq_last_status == I40E_AQ_RC_EIO) {
1600 			status = I40E_ERR_UNKNOWN_PHY;
1601 			break;
1602 		} else if (hw->aq.asq_last_status == I40E_AQ_RC_EAGAIN) {
1603 			usleep_range(1000, 2000);
1604 			total_delay++;
1605 			status = I40E_ERR_TIMEOUT;
1606 		}
1607 	} while ((hw->aq.asq_last_status != I40E_AQ_RC_OK) &&
1608 		 (total_delay < max_delay));
1609 
1610 	if (status)
1611 		return status;
1612 
1613 	if (report_init) {
1614 		if (hw->mac.type ==  I40E_MAC_XL710 &&
1615 		    hw->aq.api_maj_ver == I40E_FW_API_VERSION_MAJOR &&
1616 		    hw->aq.api_min_ver >= I40E_MINOR_VER_GET_LINK_INFO_XL710) {
1617 			status = i40e_aq_get_link_info(hw, true, NULL, NULL);
1618 		} else {
1619 			hw->phy.phy_types = le32_to_cpu(abilities->phy_type);
1620 			hw->phy.phy_types |=
1621 					((u64)abilities->phy_type_ext << 32);
1622 		}
1623 	}
1624 
1625 	return status;
1626 }
1627 
1628 /**
1629  * i40e_aq_set_phy_config
1630  * @hw: pointer to the hw struct
1631  * @config: structure with PHY configuration to be set
1632  * @cmd_details: pointer to command details structure or NULL
1633  *
1634  * Set the various PHY configuration parameters
1635  * supported on the Port.One or more of the Set PHY config parameters may be
1636  * ignored in an MFP mode as the PF may not have the privilege to set some
1637  * of the PHY Config parameters. This status will be indicated by the
1638  * command response.
1639  **/
1640 enum i40e_status_code i40e_aq_set_phy_config(struct i40e_hw *hw,
1641 				struct i40e_aq_set_phy_config *config,
1642 				struct i40e_asq_cmd_details *cmd_details)
1643 {
1644 	struct i40e_aq_desc desc;
1645 	struct i40e_aq_set_phy_config *cmd =
1646 			(struct i40e_aq_set_phy_config *)&desc.params.raw;
1647 	enum i40e_status_code status;
1648 
1649 	if (!config)
1650 		return I40E_ERR_PARAM;
1651 
1652 	i40e_fill_default_direct_cmd_desc(&desc,
1653 					  i40e_aqc_opc_set_phy_config);
1654 
1655 	*cmd = *config;
1656 
1657 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1658 
1659 	return status;
1660 }
1661 
1662 /**
1663  * i40e_set_fc
1664  * @hw: pointer to the hw struct
1665  *
1666  * Set the requested flow control mode using set_phy_config.
1667  **/
1668 enum i40e_status_code i40e_set_fc(struct i40e_hw *hw, u8 *aq_failures,
1669 				  bool atomic_restart)
1670 {
1671 	enum i40e_fc_mode fc_mode = hw->fc.requested_mode;
1672 	struct i40e_aq_get_phy_abilities_resp abilities;
1673 	struct i40e_aq_set_phy_config config;
1674 	enum i40e_status_code status;
1675 	u8 pause_mask = 0x0;
1676 
1677 	*aq_failures = 0x0;
1678 
1679 	switch (fc_mode) {
1680 	case I40E_FC_FULL:
1681 		pause_mask |= I40E_AQ_PHY_FLAG_PAUSE_TX;
1682 		pause_mask |= I40E_AQ_PHY_FLAG_PAUSE_RX;
1683 		break;
1684 	case I40E_FC_RX_PAUSE:
1685 		pause_mask |= I40E_AQ_PHY_FLAG_PAUSE_RX;
1686 		break;
1687 	case I40E_FC_TX_PAUSE:
1688 		pause_mask |= I40E_AQ_PHY_FLAG_PAUSE_TX;
1689 		break;
1690 	default:
1691 		break;
1692 	}
1693 
1694 	/* Get the current phy config */
1695 	status = i40e_aq_get_phy_capabilities(hw, false, false, &abilities,
1696 					      NULL);
1697 	if (status) {
1698 		*aq_failures |= I40E_SET_FC_AQ_FAIL_GET;
1699 		return status;
1700 	}
1701 
1702 	memset(&config, 0, sizeof(struct i40e_aq_set_phy_config));
1703 	/* clear the old pause settings */
1704 	config.abilities = abilities.abilities & ~(I40E_AQ_PHY_FLAG_PAUSE_TX) &
1705 			   ~(I40E_AQ_PHY_FLAG_PAUSE_RX);
1706 	/* set the new abilities */
1707 	config.abilities |= pause_mask;
1708 	/* If the abilities have changed, then set the new config */
1709 	if (config.abilities != abilities.abilities) {
1710 		/* Auto restart link so settings take effect */
1711 		if (atomic_restart)
1712 			config.abilities |= I40E_AQ_PHY_ENABLE_ATOMIC_LINK;
1713 		/* Copy over all the old settings */
1714 		config.phy_type = abilities.phy_type;
1715 		config.phy_type_ext = abilities.phy_type_ext;
1716 		config.link_speed = abilities.link_speed;
1717 		config.eee_capability = abilities.eee_capability;
1718 		config.eeer = abilities.eeer_val;
1719 		config.low_power_ctrl = abilities.d3_lpan;
1720 		config.fec_config = abilities.fec_cfg_curr_mod_ext_info &
1721 				    I40E_AQ_PHY_FEC_CONFIG_MASK;
1722 		status = i40e_aq_set_phy_config(hw, &config, NULL);
1723 
1724 		if (status)
1725 			*aq_failures |= I40E_SET_FC_AQ_FAIL_SET;
1726 	}
1727 	/* Update the link info */
1728 	status = i40e_update_link_info(hw);
1729 	if (status) {
1730 		/* Wait a little bit (on 40G cards it sometimes takes a really
1731 		 * long time for link to come back from the atomic reset)
1732 		 * and try once more
1733 		 */
1734 		msleep(1000);
1735 		status = i40e_update_link_info(hw);
1736 	}
1737 	if (status)
1738 		*aq_failures |= I40E_SET_FC_AQ_FAIL_UPDATE;
1739 
1740 	return status;
1741 }
1742 
1743 /**
1744  * i40e_aq_clear_pxe_mode
1745  * @hw: pointer to the hw struct
1746  * @cmd_details: pointer to command details structure or NULL
1747  *
1748  * Tell the firmware that the driver is taking over from PXE
1749  **/
1750 i40e_status i40e_aq_clear_pxe_mode(struct i40e_hw *hw,
1751 				struct i40e_asq_cmd_details *cmd_details)
1752 {
1753 	i40e_status status;
1754 	struct i40e_aq_desc desc;
1755 	struct i40e_aqc_clear_pxe *cmd =
1756 		(struct i40e_aqc_clear_pxe *)&desc.params.raw;
1757 
1758 	i40e_fill_default_direct_cmd_desc(&desc,
1759 					  i40e_aqc_opc_clear_pxe_mode);
1760 
1761 	cmd->rx_cnt = 0x2;
1762 
1763 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1764 
1765 	wr32(hw, I40E_GLLAN_RCTL_0, 0x1);
1766 
1767 	return status;
1768 }
1769 
1770 /**
1771  * i40e_aq_set_link_restart_an
1772  * @hw: pointer to the hw struct
1773  * @enable_link: if true: enable link, if false: disable link
1774  * @cmd_details: pointer to command details structure or NULL
1775  *
1776  * Sets up the link and restarts the Auto-Negotiation over the link.
1777  **/
1778 i40e_status i40e_aq_set_link_restart_an(struct i40e_hw *hw,
1779 					bool enable_link,
1780 					struct i40e_asq_cmd_details *cmd_details)
1781 {
1782 	struct i40e_aq_desc desc;
1783 	struct i40e_aqc_set_link_restart_an *cmd =
1784 		(struct i40e_aqc_set_link_restart_an *)&desc.params.raw;
1785 	i40e_status status;
1786 
1787 	i40e_fill_default_direct_cmd_desc(&desc,
1788 					  i40e_aqc_opc_set_link_restart_an);
1789 
1790 	cmd->command = I40E_AQ_PHY_RESTART_AN;
1791 	if (enable_link)
1792 		cmd->command |= I40E_AQ_PHY_LINK_ENABLE;
1793 	else
1794 		cmd->command &= ~I40E_AQ_PHY_LINK_ENABLE;
1795 
1796 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1797 
1798 	return status;
1799 }
1800 
1801 /**
1802  * i40e_aq_get_link_info
1803  * @hw: pointer to the hw struct
1804  * @enable_lse: enable/disable LinkStatusEvent reporting
1805  * @link: pointer to link status structure - optional
1806  * @cmd_details: pointer to command details structure or NULL
1807  *
1808  * Returns the link status of the adapter.
1809  **/
1810 i40e_status i40e_aq_get_link_info(struct i40e_hw *hw,
1811 				bool enable_lse, struct i40e_link_status *link,
1812 				struct i40e_asq_cmd_details *cmd_details)
1813 {
1814 	struct i40e_aq_desc desc;
1815 	struct i40e_aqc_get_link_status *resp =
1816 		(struct i40e_aqc_get_link_status *)&desc.params.raw;
1817 	struct i40e_link_status *hw_link_info = &hw->phy.link_info;
1818 	i40e_status status;
1819 	bool tx_pause, rx_pause;
1820 	u16 command_flags;
1821 
1822 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_get_link_status);
1823 
1824 	if (enable_lse)
1825 		command_flags = I40E_AQ_LSE_ENABLE;
1826 	else
1827 		command_flags = I40E_AQ_LSE_DISABLE;
1828 	resp->command_flags = cpu_to_le16(command_flags);
1829 
1830 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1831 
1832 	if (status)
1833 		goto aq_get_link_info_exit;
1834 
1835 	/* save off old link status information */
1836 	hw->phy.link_info_old = *hw_link_info;
1837 
1838 	/* update link status */
1839 	hw_link_info->phy_type = (enum i40e_aq_phy_type)resp->phy_type;
1840 	hw->phy.media_type = i40e_get_media_type(hw);
1841 	hw_link_info->link_speed = (enum i40e_aq_link_speed)resp->link_speed;
1842 	hw_link_info->link_info = resp->link_info;
1843 	hw_link_info->an_info = resp->an_info;
1844 	hw_link_info->fec_info = resp->config & (I40E_AQ_CONFIG_FEC_KR_ENA |
1845 						 I40E_AQ_CONFIG_FEC_RS_ENA);
1846 	hw_link_info->ext_info = resp->ext_info;
1847 	hw_link_info->loopback = resp->loopback & I40E_AQ_LOOPBACK_MASK;
1848 	hw_link_info->max_frame_size = le16_to_cpu(resp->max_frame_size);
1849 	hw_link_info->pacing = resp->config & I40E_AQ_CONFIG_PACING_MASK;
1850 
1851 	/* update fc info */
1852 	tx_pause = !!(resp->an_info & I40E_AQ_LINK_PAUSE_TX);
1853 	rx_pause = !!(resp->an_info & I40E_AQ_LINK_PAUSE_RX);
1854 	if (tx_pause & rx_pause)
1855 		hw->fc.current_mode = I40E_FC_FULL;
1856 	else if (tx_pause)
1857 		hw->fc.current_mode = I40E_FC_TX_PAUSE;
1858 	else if (rx_pause)
1859 		hw->fc.current_mode = I40E_FC_RX_PAUSE;
1860 	else
1861 		hw->fc.current_mode = I40E_FC_NONE;
1862 
1863 	if (resp->config & I40E_AQ_CONFIG_CRC_ENA)
1864 		hw_link_info->crc_enable = true;
1865 	else
1866 		hw_link_info->crc_enable = false;
1867 
1868 	if (resp->command_flags & cpu_to_le16(I40E_AQ_LSE_IS_ENABLED))
1869 		hw_link_info->lse_enable = true;
1870 	else
1871 		hw_link_info->lse_enable = false;
1872 
1873 	if ((hw->mac.type == I40E_MAC_XL710) &&
1874 	    (hw->aq.fw_maj_ver < 4 || (hw->aq.fw_maj_ver == 4 &&
1875 	     hw->aq.fw_min_ver < 40)) && hw_link_info->phy_type == 0xE)
1876 		hw_link_info->phy_type = I40E_PHY_TYPE_10GBASE_SFPP_CU;
1877 
1878 	if (hw->aq.api_maj_ver == I40E_FW_API_VERSION_MAJOR &&
1879 	    hw->aq.api_min_ver >= 7) {
1880 		__le32 tmp;
1881 
1882 		memcpy(&tmp, resp->link_type, sizeof(tmp));
1883 		hw->phy.phy_types = le32_to_cpu(tmp);
1884 		hw->phy.phy_types |= ((u64)resp->link_type_ext << 32);
1885 	}
1886 
1887 	/* save link status information */
1888 	if (link)
1889 		*link = *hw_link_info;
1890 
1891 	/* flag cleared so helper functions don't call AQ again */
1892 	hw->phy.get_link_info = false;
1893 
1894 aq_get_link_info_exit:
1895 	return status;
1896 }
1897 
1898 /**
1899  * i40e_aq_set_phy_int_mask
1900  * @hw: pointer to the hw struct
1901  * @mask: interrupt mask to be set
1902  * @cmd_details: pointer to command details structure or NULL
1903  *
1904  * Set link interrupt mask.
1905  **/
1906 i40e_status i40e_aq_set_phy_int_mask(struct i40e_hw *hw,
1907 				     u16 mask,
1908 				     struct i40e_asq_cmd_details *cmd_details)
1909 {
1910 	struct i40e_aq_desc desc;
1911 	struct i40e_aqc_set_phy_int_mask *cmd =
1912 		(struct i40e_aqc_set_phy_int_mask *)&desc.params.raw;
1913 	i40e_status status;
1914 
1915 	i40e_fill_default_direct_cmd_desc(&desc,
1916 					  i40e_aqc_opc_set_phy_int_mask);
1917 
1918 	cmd->event_mask = cpu_to_le16(mask);
1919 
1920 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1921 
1922 	return status;
1923 }
1924 
1925 /**
1926  * i40e_aq_set_phy_debug
1927  * @hw: pointer to the hw struct
1928  * @cmd_flags: debug command flags
1929  * @cmd_details: pointer to command details structure or NULL
1930  *
1931  * Reset the external PHY.
1932  **/
1933 i40e_status i40e_aq_set_phy_debug(struct i40e_hw *hw, u8 cmd_flags,
1934 				  struct i40e_asq_cmd_details *cmd_details)
1935 {
1936 	struct i40e_aq_desc desc;
1937 	struct i40e_aqc_set_phy_debug *cmd =
1938 		(struct i40e_aqc_set_phy_debug *)&desc.params.raw;
1939 	i40e_status status;
1940 
1941 	i40e_fill_default_direct_cmd_desc(&desc,
1942 					  i40e_aqc_opc_set_phy_debug);
1943 
1944 	cmd->command_flags = cmd_flags;
1945 
1946 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1947 
1948 	return status;
1949 }
1950 
1951 /**
1952  * i40e_aq_add_vsi
1953  * @hw: pointer to the hw struct
1954  * @vsi_ctx: pointer to a vsi context struct
1955  * @cmd_details: pointer to command details structure or NULL
1956  *
1957  * Add a VSI context to the hardware.
1958 **/
1959 i40e_status i40e_aq_add_vsi(struct i40e_hw *hw,
1960 				struct i40e_vsi_context *vsi_ctx,
1961 				struct i40e_asq_cmd_details *cmd_details)
1962 {
1963 	struct i40e_aq_desc desc;
1964 	struct i40e_aqc_add_get_update_vsi *cmd =
1965 		(struct i40e_aqc_add_get_update_vsi *)&desc.params.raw;
1966 	struct i40e_aqc_add_get_update_vsi_completion *resp =
1967 		(struct i40e_aqc_add_get_update_vsi_completion *)
1968 		&desc.params.raw;
1969 	i40e_status status;
1970 
1971 	i40e_fill_default_direct_cmd_desc(&desc,
1972 					  i40e_aqc_opc_add_vsi);
1973 
1974 	cmd->uplink_seid = cpu_to_le16(vsi_ctx->uplink_seid);
1975 	cmd->connection_type = vsi_ctx->connection_type;
1976 	cmd->vf_id = vsi_ctx->vf_num;
1977 	cmd->vsi_flags = cpu_to_le16(vsi_ctx->flags);
1978 
1979 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
1980 
1981 	status = i40e_asq_send_command(hw, &desc, &vsi_ctx->info,
1982 				    sizeof(vsi_ctx->info), cmd_details);
1983 
1984 	if (status)
1985 		goto aq_add_vsi_exit;
1986 
1987 	vsi_ctx->seid = le16_to_cpu(resp->seid);
1988 	vsi_ctx->vsi_number = le16_to_cpu(resp->vsi_number);
1989 	vsi_ctx->vsis_allocated = le16_to_cpu(resp->vsi_used);
1990 	vsi_ctx->vsis_unallocated = le16_to_cpu(resp->vsi_free);
1991 
1992 aq_add_vsi_exit:
1993 	return status;
1994 }
1995 
1996 /**
1997  * i40e_aq_set_default_vsi
1998  * @hw: pointer to the hw struct
1999  * @seid: vsi number
2000  * @cmd_details: pointer to command details structure or NULL
2001  **/
2002 i40e_status i40e_aq_set_default_vsi(struct i40e_hw *hw,
2003 				    u16 seid,
2004 				    struct i40e_asq_cmd_details *cmd_details)
2005 {
2006 	struct i40e_aq_desc desc;
2007 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
2008 		(struct i40e_aqc_set_vsi_promiscuous_modes *)
2009 		&desc.params.raw;
2010 	i40e_status status;
2011 
2012 	i40e_fill_default_direct_cmd_desc(&desc,
2013 					  i40e_aqc_opc_set_vsi_promiscuous_modes);
2014 
2015 	cmd->promiscuous_flags = cpu_to_le16(I40E_AQC_SET_VSI_DEFAULT);
2016 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_DEFAULT);
2017 	cmd->seid = cpu_to_le16(seid);
2018 
2019 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2020 
2021 	return status;
2022 }
2023 
2024 /**
2025  * i40e_aq_clear_default_vsi
2026  * @hw: pointer to the hw struct
2027  * @seid: vsi number
2028  * @cmd_details: pointer to command details structure or NULL
2029  **/
2030 i40e_status i40e_aq_clear_default_vsi(struct i40e_hw *hw,
2031 				      u16 seid,
2032 				      struct i40e_asq_cmd_details *cmd_details)
2033 {
2034 	struct i40e_aq_desc desc;
2035 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
2036 		(struct i40e_aqc_set_vsi_promiscuous_modes *)
2037 		&desc.params.raw;
2038 	i40e_status status;
2039 
2040 	i40e_fill_default_direct_cmd_desc(&desc,
2041 					  i40e_aqc_opc_set_vsi_promiscuous_modes);
2042 
2043 	cmd->promiscuous_flags = cpu_to_le16(0);
2044 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_DEFAULT);
2045 	cmd->seid = cpu_to_le16(seid);
2046 
2047 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2048 
2049 	return status;
2050 }
2051 
2052 /**
2053  * i40e_aq_set_vsi_unicast_promiscuous
2054  * @hw: pointer to the hw struct
2055  * @seid: vsi number
2056  * @set: set unicast promiscuous enable/disable
2057  * @cmd_details: pointer to command details structure or NULL
2058  * @rx_only_promisc: flag to decide if egress traffic gets mirrored in promisc
2059  **/
2060 i40e_status i40e_aq_set_vsi_unicast_promiscuous(struct i40e_hw *hw,
2061 				u16 seid, bool set,
2062 				struct i40e_asq_cmd_details *cmd_details,
2063 				bool rx_only_promisc)
2064 {
2065 	struct i40e_aq_desc desc;
2066 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
2067 		(struct i40e_aqc_set_vsi_promiscuous_modes *)&desc.params.raw;
2068 	i40e_status status;
2069 	u16 flags = 0;
2070 
2071 	i40e_fill_default_direct_cmd_desc(&desc,
2072 					i40e_aqc_opc_set_vsi_promiscuous_modes);
2073 
2074 	if (set) {
2075 		flags |= I40E_AQC_SET_VSI_PROMISC_UNICAST;
2076 		if (rx_only_promisc &&
2077 		    (((hw->aq.api_maj_ver == 1) && (hw->aq.api_min_ver >= 5)) ||
2078 		     (hw->aq.api_maj_ver > 1)))
2079 			flags |= I40E_AQC_SET_VSI_PROMISC_TX;
2080 	}
2081 
2082 	cmd->promiscuous_flags = cpu_to_le16(flags);
2083 
2084 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_UNICAST);
2085 	if (((hw->aq.api_maj_ver >= 1) && (hw->aq.api_min_ver >= 5)) ||
2086 	    (hw->aq.api_maj_ver > 1))
2087 		cmd->valid_flags |= cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_TX);
2088 
2089 	cmd->seid = cpu_to_le16(seid);
2090 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2091 
2092 	return status;
2093 }
2094 
2095 /**
2096  * i40e_aq_set_vsi_multicast_promiscuous
2097  * @hw: pointer to the hw struct
2098  * @seid: vsi number
2099  * @set: set multicast promiscuous enable/disable
2100  * @cmd_details: pointer to command details structure or NULL
2101  **/
2102 i40e_status i40e_aq_set_vsi_multicast_promiscuous(struct i40e_hw *hw,
2103 				u16 seid, bool set, struct i40e_asq_cmd_details *cmd_details)
2104 {
2105 	struct i40e_aq_desc desc;
2106 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
2107 		(struct i40e_aqc_set_vsi_promiscuous_modes *)&desc.params.raw;
2108 	i40e_status status;
2109 	u16 flags = 0;
2110 
2111 	i40e_fill_default_direct_cmd_desc(&desc,
2112 					i40e_aqc_opc_set_vsi_promiscuous_modes);
2113 
2114 	if (set)
2115 		flags |= I40E_AQC_SET_VSI_PROMISC_MULTICAST;
2116 
2117 	cmd->promiscuous_flags = cpu_to_le16(flags);
2118 
2119 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_MULTICAST);
2120 
2121 	cmd->seid = cpu_to_le16(seid);
2122 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2123 
2124 	return status;
2125 }
2126 
2127 /**
2128  * i40e_aq_set_vsi_mc_promisc_on_vlan
2129  * @hw: pointer to the hw struct
2130  * @seid: vsi number
2131  * @enable: set MAC L2 layer unicast promiscuous enable/disable for a given VLAN
2132  * @vid: The VLAN tag filter - capture any multicast packet with this VLAN tag
2133  * @cmd_details: pointer to command details structure or NULL
2134  **/
2135 enum i40e_status_code i40e_aq_set_vsi_mc_promisc_on_vlan(struct i40e_hw *hw,
2136 							 u16 seid, bool enable,
2137 							 u16 vid,
2138 				struct i40e_asq_cmd_details *cmd_details)
2139 {
2140 	struct i40e_aq_desc desc;
2141 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
2142 		(struct i40e_aqc_set_vsi_promiscuous_modes *)&desc.params.raw;
2143 	enum i40e_status_code status;
2144 	u16 flags = 0;
2145 
2146 	i40e_fill_default_direct_cmd_desc(&desc,
2147 					  i40e_aqc_opc_set_vsi_promiscuous_modes);
2148 
2149 	if (enable)
2150 		flags |= I40E_AQC_SET_VSI_PROMISC_MULTICAST;
2151 
2152 	cmd->promiscuous_flags = cpu_to_le16(flags);
2153 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_MULTICAST);
2154 	cmd->seid = cpu_to_le16(seid);
2155 	cmd->vlan_tag = cpu_to_le16(vid | I40E_AQC_SET_VSI_VLAN_VALID);
2156 
2157 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2158 
2159 	return status;
2160 }
2161 
2162 /**
2163  * i40e_aq_set_vsi_uc_promisc_on_vlan
2164  * @hw: pointer to the hw struct
2165  * @seid: vsi number
2166  * @enable: set MAC L2 layer unicast promiscuous enable/disable for a given VLAN
2167  * @vid: The VLAN tag filter - capture any unicast packet with this VLAN tag
2168  * @cmd_details: pointer to command details structure or NULL
2169  **/
2170 enum i40e_status_code i40e_aq_set_vsi_uc_promisc_on_vlan(struct i40e_hw *hw,
2171 							 u16 seid, bool enable,
2172 							 u16 vid,
2173 				struct i40e_asq_cmd_details *cmd_details)
2174 {
2175 	struct i40e_aq_desc desc;
2176 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
2177 		(struct i40e_aqc_set_vsi_promiscuous_modes *)&desc.params.raw;
2178 	enum i40e_status_code status;
2179 	u16 flags = 0;
2180 
2181 	i40e_fill_default_direct_cmd_desc(&desc,
2182 					  i40e_aqc_opc_set_vsi_promiscuous_modes);
2183 
2184 	if (enable)
2185 		flags |= I40E_AQC_SET_VSI_PROMISC_UNICAST;
2186 
2187 	cmd->promiscuous_flags = cpu_to_le16(flags);
2188 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_UNICAST);
2189 	cmd->seid = cpu_to_le16(seid);
2190 	cmd->vlan_tag = cpu_to_le16(vid | I40E_AQC_SET_VSI_VLAN_VALID);
2191 
2192 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2193 
2194 	return status;
2195 }
2196 
2197 /**
2198  * i40e_aq_set_vsi_bc_promisc_on_vlan
2199  * @hw: pointer to the hw struct
2200  * @seid: vsi number
2201  * @enable: set broadcast promiscuous enable/disable for a given VLAN
2202  * @vid: The VLAN tag filter - capture any broadcast packet with this VLAN tag
2203  * @cmd_details: pointer to command details structure or NULL
2204  **/
2205 i40e_status i40e_aq_set_vsi_bc_promisc_on_vlan(struct i40e_hw *hw,
2206 				u16 seid, bool enable, u16 vid,
2207 				struct i40e_asq_cmd_details *cmd_details)
2208 {
2209 	struct i40e_aq_desc desc;
2210 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
2211 		(struct i40e_aqc_set_vsi_promiscuous_modes *)&desc.params.raw;
2212 	i40e_status status;
2213 	u16 flags = 0;
2214 
2215 	i40e_fill_default_direct_cmd_desc(&desc,
2216 					i40e_aqc_opc_set_vsi_promiscuous_modes);
2217 
2218 	if (enable)
2219 		flags |= I40E_AQC_SET_VSI_PROMISC_BROADCAST;
2220 
2221 	cmd->promiscuous_flags = cpu_to_le16(flags);
2222 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_BROADCAST);
2223 	cmd->seid = cpu_to_le16(seid);
2224 	cmd->vlan_tag = cpu_to_le16(vid | I40E_AQC_SET_VSI_VLAN_VALID);
2225 
2226 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2227 
2228 	return status;
2229 }
2230 
2231 /**
2232  * i40e_aq_set_vsi_broadcast
2233  * @hw: pointer to the hw struct
2234  * @seid: vsi number
2235  * @set_filter: true to set filter, false to clear filter
2236  * @cmd_details: pointer to command details structure or NULL
2237  *
2238  * Set or clear the broadcast promiscuous flag (filter) for a given VSI.
2239  **/
2240 i40e_status i40e_aq_set_vsi_broadcast(struct i40e_hw *hw,
2241 				u16 seid, bool set_filter,
2242 				struct i40e_asq_cmd_details *cmd_details)
2243 {
2244 	struct i40e_aq_desc desc;
2245 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
2246 		(struct i40e_aqc_set_vsi_promiscuous_modes *)&desc.params.raw;
2247 	i40e_status status;
2248 
2249 	i40e_fill_default_direct_cmd_desc(&desc,
2250 					i40e_aqc_opc_set_vsi_promiscuous_modes);
2251 
2252 	if (set_filter)
2253 		cmd->promiscuous_flags
2254 			    |= cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_BROADCAST);
2255 	else
2256 		cmd->promiscuous_flags
2257 			    &= cpu_to_le16(~I40E_AQC_SET_VSI_PROMISC_BROADCAST);
2258 
2259 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_BROADCAST);
2260 	cmd->seid = cpu_to_le16(seid);
2261 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2262 
2263 	return status;
2264 }
2265 
2266 /**
2267  * i40e_aq_set_vsi_vlan_promisc - control the VLAN promiscuous setting
2268  * @hw: pointer to the hw struct
2269  * @seid: vsi number
2270  * @enable: set MAC L2 layer unicast promiscuous enable/disable for a given VLAN
2271  * @cmd_details: pointer to command details structure or NULL
2272  **/
2273 i40e_status i40e_aq_set_vsi_vlan_promisc(struct i40e_hw *hw,
2274 				       u16 seid, bool enable,
2275 				       struct i40e_asq_cmd_details *cmd_details)
2276 {
2277 	struct i40e_aq_desc desc;
2278 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
2279 		(struct i40e_aqc_set_vsi_promiscuous_modes *)&desc.params.raw;
2280 	i40e_status status;
2281 	u16 flags = 0;
2282 
2283 	i40e_fill_default_direct_cmd_desc(&desc,
2284 					i40e_aqc_opc_set_vsi_promiscuous_modes);
2285 	if (enable)
2286 		flags |= I40E_AQC_SET_VSI_PROMISC_VLAN;
2287 
2288 	cmd->promiscuous_flags = cpu_to_le16(flags);
2289 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_VLAN);
2290 	cmd->seid = cpu_to_le16(seid);
2291 
2292 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2293 
2294 	return status;
2295 }
2296 
2297 /**
2298  * i40e_get_vsi_params - get VSI configuration info
2299  * @hw: pointer to the hw struct
2300  * @vsi_ctx: pointer to a vsi context struct
2301  * @cmd_details: pointer to command details structure or NULL
2302  **/
2303 i40e_status i40e_aq_get_vsi_params(struct i40e_hw *hw,
2304 				struct i40e_vsi_context *vsi_ctx,
2305 				struct i40e_asq_cmd_details *cmd_details)
2306 {
2307 	struct i40e_aq_desc desc;
2308 	struct i40e_aqc_add_get_update_vsi *cmd =
2309 		(struct i40e_aqc_add_get_update_vsi *)&desc.params.raw;
2310 	struct i40e_aqc_add_get_update_vsi_completion *resp =
2311 		(struct i40e_aqc_add_get_update_vsi_completion *)
2312 		&desc.params.raw;
2313 	i40e_status status;
2314 
2315 	i40e_fill_default_direct_cmd_desc(&desc,
2316 					  i40e_aqc_opc_get_vsi_parameters);
2317 
2318 	cmd->uplink_seid = cpu_to_le16(vsi_ctx->seid);
2319 
2320 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
2321 
2322 	status = i40e_asq_send_command(hw, &desc, &vsi_ctx->info,
2323 				    sizeof(vsi_ctx->info), NULL);
2324 
2325 	if (status)
2326 		goto aq_get_vsi_params_exit;
2327 
2328 	vsi_ctx->seid = le16_to_cpu(resp->seid);
2329 	vsi_ctx->vsi_number = le16_to_cpu(resp->vsi_number);
2330 	vsi_ctx->vsis_allocated = le16_to_cpu(resp->vsi_used);
2331 	vsi_ctx->vsis_unallocated = le16_to_cpu(resp->vsi_free);
2332 
2333 aq_get_vsi_params_exit:
2334 	return status;
2335 }
2336 
2337 /**
2338  * i40e_aq_update_vsi_params
2339  * @hw: pointer to the hw struct
2340  * @vsi_ctx: pointer to a vsi context struct
2341  * @cmd_details: pointer to command details structure or NULL
2342  *
2343  * Update a VSI context.
2344  **/
2345 i40e_status i40e_aq_update_vsi_params(struct i40e_hw *hw,
2346 				struct i40e_vsi_context *vsi_ctx,
2347 				struct i40e_asq_cmd_details *cmd_details)
2348 {
2349 	struct i40e_aq_desc desc;
2350 	struct i40e_aqc_add_get_update_vsi *cmd =
2351 		(struct i40e_aqc_add_get_update_vsi *)&desc.params.raw;
2352 	struct i40e_aqc_add_get_update_vsi_completion *resp =
2353 		(struct i40e_aqc_add_get_update_vsi_completion *)
2354 		&desc.params.raw;
2355 	i40e_status status;
2356 
2357 	i40e_fill_default_direct_cmd_desc(&desc,
2358 					  i40e_aqc_opc_update_vsi_parameters);
2359 	cmd->uplink_seid = cpu_to_le16(vsi_ctx->seid);
2360 
2361 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
2362 
2363 	status = i40e_asq_send_command(hw, &desc, &vsi_ctx->info,
2364 				    sizeof(vsi_ctx->info), cmd_details);
2365 
2366 	vsi_ctx->vsis_allocated = le16_to_cpu(resp->vsi_used);
2367 	vsi_ctx->vsis_unallocated = le16_to_cpu(resp->vsi_free);
2368 
2369 	return status;
2370 }
2371 
2372 /**
2373  * i40e_aq_get_switch_config
2374  * @hw: pointer to the hardware structure
2375  * @buf: pointer to the result buffer
2376  * @buf_size: length of input buffer
2377  * @start_seid: seid to start for the report, 0 == beginning
2378  * @cmd_details: pointer to command details structure or NULL
2379  *
2380  * Fill the buf with switch configuration returned from AdminQ command
2381  **/
2382 i40e_status i40e_aq_get_switch_config(struct i40e_hw *hw,
2383 				struct i40e_aqc_get_switch_config_resp *buf,
2384 				u16 buf_size, u16 *start_seid,
2385 				struct i40e_asq_cmd_details *cmd_details)
2386 {
2387 	struct i40e_aq_desc desc;
2388 	struct i40e_aqc_switch_seid *scfg =
2389 		(struct i40e_aqc_switch_seid *)&desc.params.raw;
2390 	i40e_status status;
2391 
2392 	i40e_fill_default_direct_cmd_desc(&desc,
2393 					  i40e_aqc_opc_get_switch_config);
2394 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
2395 	if (buf_size > I40E_AQ_LARGE_BUF)
2396 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
2397 	scfg->seid = cpu_to_le16(*start_seid);
2398 
2399 	status = i40e_asq_send_command(hw, &desc, buf, buf_size, cmd_details);
2400 	*start_seid = le16_to_cpu(scfg->seid);
2401 
2402 	return status;
2403 }
2404 
2405 /**
2406  * i40e_aq_set_switch_config
2407  * @hw: pointer to the hardware structure
2408  * @flags: bit flag values to set
2409  * @valid_flags: which bit flags to set
2410  * @mode: cloud filter mode
2411  * @cmd_details: pointer to command details structure or NULL
2412  *
2413  * Set switch configuration bits
2414  **/
2415 enum i40e_status_code i40e_aq_set_switch_config(struct i40e_hw *hw,
2416 						u16 flags,
2417 						u16 valid_flags, u8 mode,
2418 				struct i40e_asq_cmd_details *cmd_details)
2419 {
2420 	struct i40e_aq_desc desc;
2421 	struct i40e_aqc_set_switch_config *scfg =
2422 		(struct i40e_aqc_set_switch_config *)&desc.params.raw;
2423 	enum i40e_status_code status;
2424 
2425 	i40e_fill_default_direct_cmd_desc(&desc,
2426 					  i40e_aqc_opc_set_switch_config);
2427 	scfg->flags = cpu_to_le16(flags);
2428 	scfg->valid_flags = cpu_to_le16(valid_flags);
2429 	scfg->mode = mode;
2430 	if (hw->flags & I40E_HW_FLAG_802_1AD_CAPABLE) {
2431 		scfg->switch_tag = cpu_to_le16(hw->switch_tag);
2432 		scfg->first_tag = cpu_to_le16(hw->first_tag);
2433 		scfg->second_tag = cpu_to_le16(hw->second_tag);
2434 	}
2435 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2436 
2437 	return status;
2438 }
2439 
2440 /**
2441  * i40e_aq_get_firmware_version
2442  * @hw: pointer to the hw struct
2443  * @fw_major_version: firmware major version
2444  * @fw_minor_version: firmware minor version
2445  * @fw_build: firmware build number
2446  * @api_major_version: major queue version
2447  * @api_minor_version: minor queue version
2448  * @cmd_details: pointer to command details structure or NULL
2449  *
2450  * Get the firmware version from the admin queue commands
2451  **/
2452 i40e_status i40e_aq_get_firmware_version(struct i40e_hw *hw,
2453 				u16 *fw_major_version, u16 *fw_minor_version,
2454 				u32 *fw_build,
2455 				u16 *api_major_version, u16 *api_minor_version,
2456 				struct i40e_asq_cmd_details *cmd_details)
2457 {
2458 	struct i40e_aq_desc desc;
2459 	struct i40e_aqc_get_version *resp =
2460 		(struct i40e_aqc_get_version *)&desc.params.raw;
2461 	i40e_status status;
2462 
2463 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_get_version);
2464 
2465 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2466 
2467 	if (!status) {
2468 		if (fw_major_version)
2469 			*fw_major_version = le16_to_cpu(resp->fw_major);
2470 		if (fw_minor_version)
2471 			*fw_minor_version = le16_to_cpu(resp->fw_minor);
2472 		if (fw_build)
2473 			*fw_build = le32_to_cpu(resp->fw_build);
2474 		if (api_major_version)
2475 			*api_major_version = le16_to_cpu(resp->api_major);
2476 		if (api_minor_version)
2477 			*api_minor_version = le16_to_cpu(resp->api_minor);
2478 	}
2479 
2480 	return status;
2481 }
2482 
2483 /**
2484  * i40e_aq_send_driver_version
2485  * @hw: pointer to the hw struct
2486  * @dv: driver's major, minor version
2487  * @cmd_details: pointer to command details structure or NULL
2488  *
2489  * Send the driver version to the firmware
2490  **/
2491 i40e_status i40e_aq_send_driver_version(struct i40e_hw *hw,
2492 				struct i40e_driver_version *dv,
2493 				struct i40e_asq_cmd_details *cmd_details)
2494 {
2495 	struct i40e_aq_desc desc;
2496 	struct i40e_aqc_driver_version *cmd =
2497 		(struct i40e_aqc_driver_version *)&desc.params.raw;
2498 	i40e_status status;
2499 	u16 len;
2500 
2501 	if (dv == NULL)
2502 		return I40E_ERR_PARAM;
2503 
2504 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_driver_version);
2505 
2506 	desc.flags |= cpu_to_le16(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD);
2507 	cmd->driver_major_ver = dv->major_version;
2508 	cmd->driver_minor_ver = dv->minor_version;
2509 	cmd->driver_build_ver = dv->build_version;
2510 	cmd->driver_subbuild_ver = dv->subbuild_version;
2511 
2512 	len = 0;
2513 	while (len < sizeof(dv->driver_string) &&
2514 	       (dv->driver_string[len] < 0x80) &&
2515 	       dv->driver_string[len])
2516 		len++;
2517 	status = i40e_asq_send_command(hw, &desc, dv->driver_string,
2518 				       len, cmd_details);
2519 
2520 	return status;
2521 }
2522 
2523 /**
2524  * i40e_get_link_status - get status of the HW network link
2525  * @hw: pointer to the hw struct
2526  * @link_up: pointer to bool (true/false = linkup/linkdown)
2527  *
2528  * Variable link_up true if link is up, false if link is down.
2529  * The variable link_up is invalid if returned value of status != 0
2530  *
2531  * Side effect: LinkStatusEvent reporting becomes enabled
2532  **/
2533 i40e_status i40e_get_link_status(struct i40e_hw *hw, bool *link_up)
2534 {
2535 	i40e_status status = 0;
2536 
2537 	if (hw->phy.get_link_info) {
2538 		status = i40e_update_link_info(hw);
2539 
2540 		if (status)
2541 			i40e_debug(hw, I40E_DEBUG_LINK, "get link failed: status %d\n",
2542 				   status);
2543 	}
2544 
2545 	*link_up = hw->phy.link_info.link_info & I40E_AQ_LINK_UP;
2546 
2547 	return status;
2548 }
2549 
2550 /**
2551  * i40e_updatelink_status - update status of the HW network link
2552  * @hw: pointer to the hw struct
2553  **/
2554 i40e_status i40e_update_link_info(struct i40e_hw *hw)
2555 {
2556 	struct i40e_aq_get_phy_abilities_resp abilities;
2557 	i40e_status status = 0;
2558 
2559 	status = i40e_aq_get_link_info(hw, true, NULL, NULL);
2560 	if (status)
2561 		return status;
2562 
2563 	/* extra checking needed to ensure link info to user is timely */
2564 	if ((hw->phy.link_info.link_info & I40E_AQ_MEDIA_AVAILABLE) &&
2565 	    ((hw->phy.link_info.link_info & I40E_AQ_LINK_UP) ||
2566 	     !(hw->phy.link_info_old.link_info & I40E_AQ_LINK_UP))) {
2567 		status = i40e_aq_get_phy_capabilities(hw, false, false,
2568 						      &abilities, NULL);
2569 		if (status)
2570 			return status;
2571 
2572 		hw->phy.link_info.req_fec_info =
2573 			abilities.fec_cfg_curr_mod_ext_info &
2574 			(I40E_AQ_REQUEST_FEC_KR | I40E_AQ_REQUEST_FEC_RS);
2575 
2576 		memcpy(hw->phy.link_info.module_type, &abilities.module_type,
2577 		       sizeof(hw->phy.link_info.module_type));
2578 	}
2579 
2580 	return status;
2581 }
2582 
2583 /**
2584  * i40e_aq_add_veb - Insert a VEB between the VSI and the MAC
2585  * @hw: pointer to the hw struct
2586  * @uplink_seid: the MAC or other gizmo SEID
2587  * @downlink_seid: the VSI SEID
2588  * @enabled_tc: bitmap of TCs to be enabled
2589  * @default_port: true for default port VSI, false for control port
2590  * @veb_seid: pointer to where to put the resulting VEB SEID
2591  * @enable_stats: true to turn on VEB stats
2592  * @cmd_details: pointer to command details structure or NULL
2593  *
2594  * This asks the FW to add a VEB between the uplink and downlink
2595  * elements.  If the uplink SEID is 0, this will be a floating VEB.
2596  **/
2597 i40e_status i40e_aq_add_veb(struct i40e_hw *hw, u16 uplink_seid,
2598 				u16 downlink_seid, u8 enabled_tc,
2599 				bool default_port, u16 *veb_seid,
2600 				bool enable_stats,
2601 				struct i40e_asq_cmd_details *cmd_details)
2602 {
2603 	struct i40e_aq_desc desc;
2604 	struct i40e_aqc_add_veb *cmd =
2605 		(struct i40e_aqc_add_veb *)&desc.params.raw;
2606 	struct i40e_aqc_add_veb_completion *resp =
2607 		(struct i40e_aqc_add_veb_completion *)&desc.params.raw;
2608 	i40e_status status;
2609 	u16 veb_flags = 0;
2610 
2611 	/* SEIDs need to either both be set or both be 0 for floating VEB */
2612 	if (!!uplink_seid != !!downlink_seid)
2613 		return I40E_ERR_PARAM;
2614 
2615 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_add_veb);
2616 
2617 	cmd->uplink_seid = cpu_to_le16(uplink_seid);
2618 	cmd->downlink_seid = cpu_to_le16(downlink_seid);
2619 	cmd->enable_tcs = enabled_tc;
2620 	if (!uplink_seid)
2621 		veb_flags |= I40E_AQC_ADD_VEB_FLOATING;
2622 	if (default_port)
2623 		veb_flags |= I40E_AQC_ADD_VEB_PORT_TYPE_DEFAULT;
2624 	else
2625 		veb_flags |= I40E_AQC_ADD_VEB_PORT_TYPE_DATA;
2626 
2627 	/* reverse logic here: set the bitflag to disable the stats */
2628 	if (!enable_stats)
2629 		veb_flags |= I40E_AQC_ADD_VEB_ENABLE_DISABLE_STATS;
2630 
2631 	cmd->veb_flags = cpu_to_le16(veb_flags);
2632 
2633 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2634 
2635 	if (!status && veb_seid)
2636 		*veb_seid = le16_to_cpu(resp->veb_seid);
2637 
2638 	return status;
2639 }
2640 
2641 /**
2642  * i40e_aq_get_veb_parameters - Retrieve VEB parameters
2643  * @hw: pointer to the hw struct
2644  * @veb_seid: the SEID of the VEB to query
2645  * @switch_id: the uplink switch id
2646  * @floating: set to true if the VEB is floating
2647  * @statistic_index: index of the stats counter block for this VEB
2648  * @vebs_used: number of VEB's used by function
2649  * @vebs_free: total VEB's not reserved by any function
2650  * @cmd_details: pointer to command details structure or NULL
2651  *
2652  * This retrieves the parameters for a particular VEB, specified by
2653  * uplink_seid, and returns them to the caller.
2654  **/
2655 i40e_status i40e_aq_get_veb_parameters(struct i40e_hw *hw,
2656 				u16 veb_seid, u16 *switch_id,
2657 				bool *floating, u16 *statistic_index,
2658 				u16 *vebs_used, u16 *vebs_free,
2659 				struct i40e_asq_cmd_details *cmd_details)
2660 {
2661 	struct i40e_aq_desc desc;
2662 	struct i40e_aqc_get_veb_parameters_completion *cmd_resp =
2663 		(struct i40e_aqc_get_veb_parameters_completion *)
2664 		&desc.params.raw;
2665 	i40e_status status;
2666 
2667 	if (veb_seid == 0)
2668 		return I40E_ERR_PARAM;
2669 
2670 	i40e_fill_default_direct_cmd_desc(&desc,
2671 					  i40e_aqc_opc_get_veb_parameters);
2672 	cmd_resp->seid = cpu_to_le16(veb_seid);
2673 
2674 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2675 	if (status)
2676 		goto get_veb_exit;
2677 
2678 	if (switch_id)
2679 		*switch_id = le16_to_cpu(cmd_resp->switch_id);
2680 	if (statistic_index)
2681 		*statistic_index = le16_to_cpu(cmd_resp->statistic_index);
2682 	if (vebs_used)
2683 		*vebs_used = le16_to_cpu(cmd_resp->vebs_used);
2684 	if (vebs_free)
2685 		*vebs_free = le16_to_cpu(cmd_resp->vebs_free);
2686 	if (floating) {
2687 		u16 flags = le16_to_cpu(cmd_resp->veb_flags);
2688 
2689 		if (flags & I40E_AQC_ADD_VEB_FLOATING)
2690 			*floating = true;
2691 		else
2692 			*floating = false;
2693 	}
2694 
2695 get_veb_exit:
2696 	return status;
2697 }
2698 
2699 /**
2700  * i40e_aq_add_macvlan
2701  * @hw: pointer to the hw struct
2702  * @seid: VSI for the mac address
2703  * @mv_list: list of macvlans to be added
2704  * @count: length of the list
2705  * @cmd_details: pointer to command details structure or NULL
2706  *
2707  * Add MAC/VLAN addresses to the HW filtering
2708  **/
2709 i40e_status i40e_aq_add_macvlan(struct i40e_hw *hw, u16 seid,
2710 			struct i40e_aqc_add_macvlan_element_data *mv_list,
2711 			u16 count, struct i40e_asq_cmd_details *cmd_details)
2712 {
2713 	struct i40e_aq_desc desc;
2714 	struct i40e_aqc_macvlan *cmd =
2715 		(struct i40e_aqc_macvlan *)&desc.params.raw;
2716 	i40e_status status;
2717 	u16 buf_size;
2718 	int i;
2719 
2720 	if (count == 0 || !mv_list || !hw)
2721 		return I40E_ERR_PARAM;
2722 
2723 	buf_size = count * sizeof(*mv_list);
2724 
2725 	/* prep the rest of the request */
2726 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_add_macvlan);
2727 	cmd->num_addresses = cpu_to_le16(count);
2728 	cmd->seid[0] = cpu_to_le16(I40E_AQC_MACVLAN_CMD_SEID_VALID | seid);
2729 	cmd->seid[1] = 0;
2730 	cmd->seid[2] = 0;
2731 
2732 	for (i = 0; i < count; i++)
2733 		if (is_multicast_ether_addr(mv_list[i].mac_addr))
2734 			mv_list[i].flags |=
2735 			       cpu_to_le16(I40E_AQC_MACVLAN_ADD_USE_SHARED_MAC);
2736 
2737 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
2738 	if (buf_size > I40E_AQ_LARGE_BUF)
2739 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
2740 
2741 	status = i40e_asq_send_command(hw, &desc, mv_list, buf_size,
2742 				       cmd_details);
2743 
2744 	return status;
2745 }
2746 
2747 /**
2748  * i40e_aq_remove_macvlan
2749  * @hw: pointer to the hw struct
2750  * @seid: VSI for the mac address
2751  * @mv_list: list of macvlans to be removed
2752  * @count: length of the list
2753  * @cmd_details: pointer to command details structure or NULL
2754  *
2755  * Remove MAC/VLAN addresses from the HW filtering
2756  **/
2757 i40e_status i40e_aq_remove_macvlan(struct i40e_hw *hw, u16 seid,
2758 			struct i40e_aqc_remove_macvlan_element_data *mv_list,
2759 			u16 count, struct i40e_asq_cmd_details *cmd_details)
2760 {
2761 	struct i40e_aq_desc desc;
2762 	struct i40e_aqc_macvlan *cmd =
2763 		(struct i40e_aqc_macvlan *)&desc.params.raw;
2764 	i40e_status status;
2765 	u16 buf_size;
2766 
2767 	if (count == 0 || !mv_list || !hw)
2768 		return I40E_ERR_PARAM;
2769 
2770 	buf_size = count * sizeof(*mv_list);
2771 
2772 	/* prep the rest of the request */
2773 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_remove_macvlan);
2774 	cmd->num_addresses = cpu_to_le16(count);
2775 	cmd->seid[0] = cpu_to_le16(I40E_AQC_MACVLAN_CMD_SEID_VALID | seid);
2776 	cmd->seid[1] = 0;
2777 	cmd->seid[2] = 0;
2778 
2779 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
2780 	if (buf_size > I40E_AQ_LARGE_BUF)
2781 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
2782 
2783 	status = i40e_asq_send_command(hw, &desc, mv_list, buf_size,
2784 				       cmd_details);
2785 
2786 	return status;
2787 }
2788 
2789 /**
2790  * i40e_mirrorrule_op - Internal helper function to add/delete mirror rule
2791  * @hw: pointer to the hw struct
2792  * @opcode: AQ opcode for add or delete mirror rule
2793  * @sw_seid: Switch SEID (to which rule refers)
2794  * @rule_type: Rule Type (ingress/egress/VLAN)
2795  * @id: Destination VSI SEID or Rule ID
2796  * @count: length of the list
2797  * @mr_list: list of mirrored VSI SEIDs or VLAN IDs
2798  * @cmd_details: pointer to command details structure or NULL
2799  * @rule_id: Rule ID returned from FW
2800  * @rule_used: Number of rules used in internal switch
2801  * @rule_free: Number of rules free in internal switch
2802  *
2803  * Add/Delete a mirror rule to a specific switch. Mirror rules are supported for
2804  * VEBs/VEPA elements only
2805  **/
2806 static i40e_status i40e_mirrorrule_op(struct i40e_hw *hw,
2807 				u16 opcode, u16 sw_seid, u16 rule_type, u16 id,
2808 				u16 count, __le16 *mr_list,
2809 				struct i40e_asq_cmd_details *cmd_details,
2810 				u16 *rule_id, u16 *rules_used, u16 *rules_free)
2811 {
2812 	struct i40e_aq_desc desc;
2813 	struct i40e_aqc_add_delete_mirror_rule *cmd =
2814 		(struct i40e_aqc_add_delete_mirror_rule *)&desc.params.raw;
2815 	struct i40e_aqc_add_delete_mirror_rule_completion *resp =
2816 	(struct i40e_aqc_add_delete_mirror_rule_completion *)&desc.params.raw;
2817 	i40e_status status;
2818 	u16 buf_size;
2819 
2820 	buf_size = count * sizeof(*mr_list);
2821 
2822 	/* prep the rest of the request */
2823 	i40e_fill_default_direct_cmd_desc(&desc, opcode);
2824 	cmd->seid = cpu_to_le16(sw_seid);
2825 	cmd->rule_type = cpu_to_le16(rule_type &
2826 				     I40E_AQC_MIRROR_RULE_TYPE_MASK);
2827 	cmd->num_entries = cpu_to_le16(count);
2828 	/* Dest VSI for add, rule_id for delete */
2829 	cmd->destination = cpu_to_le16(id);
2830 	if (mr_list) {
2831 		desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF |
2832 						I40E_AQ_FLAG_RD));
2833 		if (buf_size > I40E_AQ_LARGE_BUF)
2834 			desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
2835 	}
2836 
2837 	status = i40e_asq_send_command(hw, &desc, mr_list, buf_size,
2838 				       cmd_details);
2839 	if (!status ||
2840 	    hw->aq.asq_last_status == I40E_AQ_RC_ENOSPC) {
2841 		if (rule_id)
2842 			*rule_id = le16_to_cpu(resp->rule_id);
2843 		if (rules_used)
2844 			*rules_used = le16_to_cpu(resp->mirror_rules_used);
2845 		if (rules_free)
2846 			*rules_free = le16_to_cpu(resp->mirror_rules_free);
2847 	}
2848 	return status;
2849 }
2850 
2851 /**
2852  * i40e_aq_add_mirrorrule - add a mirror rule
2853  * @hw: pointer to the hw struct
2854  * @sw_seid: Switch SEID (to which rule refers)
2855  * @rule_type: Rule Type (ingress/egress/VLAN)
2856  * @dest_vsi: SEID of VSI to which packets will be mirrored
2857  * @count: length of the list
2858  * @mr_list: list of mirrored VSI SEIDs or VLAN IDs
2859  * @cmd_details: pointer to command details structure or NULL
2860  * @rule_id: Rule ID returned from FW
2861  * @rule_used: Number of rules used in internal switch
2862  * @rule_free: Number of rules free in internal switch
2863  *
2864  * Add mirror rule. Mirror rules are supported for VEBs or VEPA elements only
2865  **/
2866 i40e_status i40e_aq_add_mirrorrule(struct i40e_hw *hw, u16 sw_seid,
2867 			u16 rule_type, u16 dest_vsi, u16 count, __le16 *mr_list,
2868 			struct i40e_asq_cmd_details *cmd_details,
2869 			u16 *rule_id, u16 *rules_used, u16 *rules_free)
2870 {
2871 	if (!(rule_type == I40E_AQC_MIRROR_RULE_TYPE_ALL_INGRESS ||
2872 	    rule_type == I40E_AQC_MIRROR_RULE_TYPE_ALL_EGRESS)) {
2873 		if (count == 0 || !mr_list)
2874 			return I40E_ERR_PARAM;
2875 	}
2876 
2877 	return i40e_mirrorrule_op(hw, i40e_aqc_opc_add_mirror_rule, sw_seid,
2878 				  rule_type, dest_vsi, count, mr_list,
2879 				  cmd_details, rule_id, rules_used, rules_free);
2880 }
2881 
2882 /**
2883  * i40e_aq_delete_mirrorrule - delete a mirror rule
2884  * @hw: pointer to the hw struct
2885  * @sw_seid: Switch SEID (to which rule refers)
2886  * @rule_type: Rule Type (ingress/egress/VLAN)
2887  * @count: length of the list
2888  * @rule_id: Rule ID that is returned in the receive desc as part of
2889  *		add_mirrorrule.
2890  * @mr_list: list of mirrored VLAN IDs to be removed
2891  * @cmd_details: pointer to command details structure or NULL
2892  * @rule_used: Number of rules used in internal switch
2893  * @rule_free: Number of rules free in internal switch
2894  *
2895  * Delete a mirror rule. Mirror rules are supported for VEBs/VEPA elements only
2896  **/
2897 i40e_status i40e_aq_delete_mirrorrule(struct i40e_hw *hw, u16 sw_seid,
2898 			u16 rule_type, u16 rule_id, u16 count, __le16 *mr_list,
2899 			struct i40e_asq_cmd_details *cmd_details,
2900 			u16 *rules_used, u16 *rules_free)
2901 {
2902 	/* Rule ID has to be valid except rule_type: INGRESS VLAN mirroring */
2903 	if (rule_type == I40E_AQC_MIRROR_RULE_TYPE_VLAN) {
2904 		/* count and mr_list shall be valid for rule_type INGRESS VLAN
2905 		 * mirroring. For other rule_type, count and rule_type should
2906 		 * not matter.
2907 		 */
2908 		if (count == 0 || !mr_list)
2909 			return I40E_ERR_PARAM;
2910 	}
2911 
2912 	return i40e_mirrorrule_op(hw, i40e_aqc_opc_delete_mirror_rule, sw_seid,
2913 				  rule_type, rule_id, count, mr_list,
2914 				  cmd_details, NULL, rules_used, rules_free);
2915 }
2916 
2917 /**
2918  * i40e_aq_send_msg_to_vf
2919  * @hw: pointer to the hardware structure
2920  * @vfid: VF id to send msg
2921  * @v_opcode: opcodes for VF-PF communication
2922  * @v_retval: return error code
2923  * @msg: pointer to the msg buffer
2924  * @msglen: msg length
2925  * @cmd_details: pointer to command details
2926  *
2927  * send msg to vf
2928  **/
2929 i40e_status i40e_aq_send_msg_to_vf(struct i40e_hw *hw, u16 vfid,
2930 				u32 v_opcode, u32 v_retval, u8 *msg, u16 msglen,
2931 				struct i40e_asq_cmd_details *cmd_details)
2932 {
2933 	struct i40e_aq_desc desc;
2934 	struct i40e_aqc_pf_vf_message *cmd =
2935 		(struct i40e_aqc_pf_vf_message *)&desc.params.raw;
2936 	i40e_status status;
2937 
2938 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_send_msg_to_vf);
2939 	cmd->id = cpu_to_le32(vfid);
2940 	desc.cookie_high = cpu_to_le32(v_opcode);
2941 	desc.cookie_low = cpu_to_le32(v_retval);
2942 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_SI);
2943 	if (msglen) {
2944 		desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF |
2945 						I40E_AQ_FLAG_RD));
2946 		if (msglen > I40E_AQ_LARGE_BUF)
2947 			desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
2948 		desc.datalen = cpu_to_le16(msglen);
2949 	}
2950 	status = i40e_asq_send_command(hw, &desc, msg, msglen, cmd_details);
2951 
2952 	return status;
2953 }
2954 
2955 /**
2956  * i40e_aq_debug_read_register
2957  * @hw: pointer to the hw struct
2958  * @reg_addr: register address
2959  * @reg_val: register value
2960  * @cmd_details: pointer to command details structure or NULL
2961  *
2962  * Read the register using the admin queue commands
2963  **/
2964 i40e_status i40e_aq_debug_read_register(struct i40e_hw *hw,
2965 				u32 reg_addr, u64 *reg_val,
2966 				struct i40e_asq_cmd_details *cmd_details)
2967 {
2968 	struct i40e_aq_desc desc;
2969 	struct i40e_aqc_debug_reg_read_write *cmd_resp =
2970 		(struct i40e_aqc_debug_reg_read_write *)&desc.params.raw;
2971 	i40e_status status;
2972 
2973 	if (reg_val == NULL)
2974 		return I40E_ERR_PARAM;
2975 
2976 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_debug_read_reg);
2977 
2978 	cmd_resp->address = cpu_to_le32(reg_addr);
2979 
2980 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2981 
2982 	if (!status) {
2983 		*reg_val = ((u64)le32_to_cpu(cmd_resp->value_high) << 32) |
2984 			   (u64)le32_to_cpu(cmd_resp->value_low);
2985 	}
2986 
2987 	return status;
2988 }
2989 
2990 /**
2991  * i40e_aq_debug_write_register
2992  * @hw: pointer to the hw struct
2993  * @reg_addr: register address
2994  * @reg_val: register value
2995  * @cmd_details: pointer to command details structure or NULL
2996  *
2997  * Write to a register using the admin queue commands
2998  **/
2999 i40e_status i40e_aq_debug_write_register(struct i40e_hw *hw,
3000 					u32 reg_addr, u64 reg_val,
3001 					struct i40e_asq_cmd_details *cmd_details)
3002 {
3003 	struct i40e_aq_desc desc;
3004 	struct i40e_aqc_debug_reg_read_write *cmd =
3005 		(struct i40e_aqc_debug_reg_read_write *)&desc.params.raw;
3006 	i40e_status status;
3007 
3008 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_debug_write_reg);
3009 
3010 	cmd->address = cpu_to_le32(reg_addr);
3011 	cmd->value_high = cpu_to_le32((u32)(reg_val >> 32));
3012 	cmd->value_low = cpu_to_le32((u32)(reg_val & 0xFFFFFFFF));
3013 
3014 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3015 
3016 	return status;
3017 }
3018 
3019 /**
3020  * i40e_aq_request_resource
3021  * @hw: pointer to the hw struct
3022  * @resource: resource id
3023  * @access: access type
3024  * @sdp_number: resource number
3025  * @timeout: the maximum time in ms that the driver may hold the resource
3026  * @cmd_details: pointer to command details structure or NULL
3027  *
3028  * requests common resource using the admin queue commands
3029  **/
3030 i40e_status i40e_aq_request_resource(struct i40e_hw *hw,
3031 				enum i40e_aq_resources_ids resource,
3032 				enum i40e_aq_resource_access_type access,
3033 				u8 sdp_number, u64 *timeout,
3034 				struct i40e_asq_cmd_details *cmd_details)
3035 {
3036 	struct i40e_aq_desc desc;
3037 	struct i40e_aqc_request_resource *cmd_resp =
3038 		(struct i40e_aqc_request_resource *)&desc.params.raw;
3039 	i40e_status status;
3040 
3041 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_request_resource);
3042 
3043 	cmd_resp->resource_id = cpu_to_le16(resource);
3044 	cmd_resp->access_type = cpu_to_le16(access);
3045 	cmd_resp->resource_number = cpu_to_le32(sdp_number);
3046 
3047 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3048 	/* The completion specifies the maximum time in ms that the driver
3049 	 * may hold the resource in the Timeout field.
3050 	 * If the resource is held by someone else, the command completes with
3051 	 * busy return value and the timeout field indicates the maximum time
3052 	 * the current owner of the resource has to free it.
3053 	 */
3054 	if (!status || hw->aq.asq_last_status == I40E_AQ_RC_EBUSY)
3055 		*timeout = le32_to_cpu(cmd_resp->timeout);
3056 
3057 	return status;
3058 }
3059 
3060 /**
3061  * i40e_aq_release_resource
3062  * @hw: pointer to the hw struct
3063  * @resource: resource id
3064  * @sdp_number: resource number
3065  * @cmd_details: pointer to command details structure or NULL
3066  *
3067  * release common resource using the admin queue commands
3068  **/
3069 i40e_status i40e_aq_release_resource(struct i40e_hw *hw,
3070 				enum i40e_aq_resources_ids resource,
3071 				u8 sdp_number,
3072 				struct i40e_asq_cmd_details *cmd_details)
3073 {
3074 	struct i40e_aq_desc desc;
3075 	struct i40e_aqc_request_resource *cmd =
3076 		(struct i40e_aqc_request_resource *)&desc.params.raw;
3077 	i40e_status status;
3078 
3079 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_release_resource);
3080 
3081 	cmd->resource_id = cpu_to_le16(resource);
3082 	cmd->resource_number = cpu_to_le32(sdp_number);
3083 
3084 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3085 
3086 	return status;
3087 }
3088 
3089 /**
3090  * i40e_aq_read_nvm
3091  * @hw: pointer to the hw struct
3092  * @module_pointer: module pointer location in words from the NVM beginning
3093  * @offset: byte offset from the module beginning
3094  * @length: length of the section to be read (in bytes from the offset)
3095  * @data: command buffer (size [bytes] = length)
3096  * @last_command: tells if this is the last command in a series
3097  * @cmd_details: pointer to command details structure or NULL
3098  *
3099  * Read the NVM using the admin queue commands
3100  **/
3101 i40e_status i40e_aq_read_nvm(struct i40e_hw *hw, u8 module_pointer,
3102 				u32 offset, u16 length, void *data,
3103 				bool last_command,
3104 				struct i40e_asq_cmd_details *cmd_details)
3105 {
3106 	struct i40e_aq_desc desc;
3107 	struct i40e_aqc_nvm_update *cmd =
3108 		(struct i40e_aqc_nvm_update *)&desc.params.raw;
3109 	i40e_status status;
3110 
3111 	/* In offset the highest byte must be zeroed. */
3112 	if (offset & 0xFF000000) {
3113 		status = I40E_ERR_PARAM;
3114 		goto i40e_aq_read_nvm_exit;
3115 	}
3116 
3117 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_nvm_read);
3118 
3119 	/* If this is the last command in a series, set the proper flag. */
3120 	if (last_command)
3121 		cmd->command_flags |= I40E_AQ_NVM_LAST_CMD;
3122 	cmd->module_pointer = module_pointer;
3123 	cmd->offset = cpu_to_le32(offset);
3124 	cmd->length = cpu_to_le16(length);
3125 
3126 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
3127 	if (length > I40E_AQ_LARGE_BUF)
3128 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
3129 
3130 	status = i40e_asq_send_command(hw, &desc, data, length, cmd_details);
3131 
3132 i40e_aq_read_nvm_exit:
3133 	return status;
3134 }
3135 
3136 /**
3137  * i40e_aq_erase_nvm
3138  * @hw: pointer to the hw struct
3139  * @module_pointer: module pointer location in words from the NVM beginning
3140  * @offset: offset in the module (expressed in 4 KB from module's beginning)
3141  * @length: length of the section to be erased (expressed in 4 KB)
3142  * @last_command: tells if this is the last command in a series
3143  * @cmd_details: pointer to command details structure or NULL
3144  *
3145  * Erase the NVM sector using the admin queue commands
3146  **/
3147 i40e_status i40e_aq_erase_nvm(struct i40e_hw *hw, u8 module_pointer,
3148 			      u32 offset, u16 length, bool last_command,
3149 			      struct i40e_asq_cmd_details *cmd_details)
3150 {
3151 	struct i40e_aq_desc desc;
3152 	struct i40e_aqc_nvm_update *cmd =
3153 		(struct i40e_aqc_nvm_update *)&desc.params.raw;
3154 	i40e_status status;
3155 
3156 	/* In offset the highest byte must be zeroed. */
3157 	if (offset & 0xFF000000) {
3158 		status = I40E_ERR_PARAM;
3159 		goto i40e_aq_erase_nvm_exit;
3160 	}
3161 
3162 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_nvm_erase);
3163 
3164 	/* If this is the last command in a series, set the proper flag. */
3165 	if (last_command)
3166 		cmd->command_flags |= I40E_AQ_NVM_LAST_CMD;
3167 	cmd->module_pointer = module_pointer;
3168 	cmd->offset = cpu_to_le32(offset);
3169 	cmd->length = cpu_to_le16(length);
3170 
3171 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3172 
3173 i40e_aq_erase_nvm_exit:
3174 	return status;
3175 }
3176 
3177 /**
3178  * i40e_parse_discover_capabilities
3179  * @hw: pointer to the hw struct
3180  * @buff: pointer to a buffer containing device/function capability records
3181  * @cap_count: number of capability records in the list
3182  * @list_type_opc: type of capabilities list to parse
3183  *
3184  * Parse the device/function capabilities list.
3185  **/
3186 static void i40e_parse_discover_capabilities(struct i40e_hw *hw, void *buff,
3187 				     u32 cap_count,
3188 				     enum i40e_admin_queue_opc list_type_opc)
3189 {
3190 	struct i40e_aqc_list_capabilities_element_resp *cap;
3191 	u32 valid_functions, num_functions;
3192 	u32 number, logical_id, phys_id;
3193 	struct i40e_hw_capabilities *p;
3194 	u8 major_rev;
3195 	u32 i = 0;
3196 	u16 id;
3197 
3198 	cap = (struct i40e_aqc_list_capabilities_element_resp *) buff;
3199 
3200 	if (list_type_opc == i40e_aqc_opc_list_dev_capabilities)
3201 		p = &hw->dev_caps;
3202 	else if (list_type_opc == i40e_aqc_opc_list_func_capabilities)
3203 		p = &hw->func_caps;
3204 	else
3205 		return;
3206 
3207 	for (i = 0; i < cap_count; i++, cap++) {
3208 		id = le16_to_cpu(cap->id);
3209 		number = le32_to_cpu(cap->number);
3210 		logical_id = le32_to_cpu(cap->logical_id);
3211 		phys_id = le32_to_cpu(cap->phys_id);
3212 		major_rev = cap->major_rev;
3213 
3214 		switch (id) {
3215 		case I40E_AQ_CAP_ID_SWITCH_MODE:
3216 			p->switch_mode = number;
3217 			break;
3218 		case I40E_AQ_CAP_ID_MNG_MODE:
3219 			p->management_mode = number;
3220 			if (major_rev > 1) {
3221 				p->mng_protocols_over_mctp = logical_id;
3222 				i40e_debug(hw, I40E_DEBUG_INIT,
3223 					   "HW Capability: Protocols over MCTP = %d\n",
3224 					   p->mng_protocols_over_mctp);
3225 			} else {
3226 				p->mng_protocols_over_mctp = 0;
3227 			}
3228 			break;
3229 		case I40E_AQ_CAP_ID_NPAR_ACTIVE:
3230 			p->npar_enable = number;
3231 			break;
3232 		case I40E_AQ_CAP_ID_OS2BMC_CAP:
3233 			p->os2bmc = number;
3234 			break;
3235 		case I40E_AQ_CAP_ID_FUNCTIONS_VALID:
3236 			p->valid_functions = number;
3237 			break;
3238 		case I40E_AQ_CAP_ID_SRIOV:
3239 			if (number == 1)
3240 				p->sr_iov_1_1 = true;
3241 			break;
3242 		case I40E_AQ_CAP_ID_VF:
3243 			p->num_vfs = number;
3244 			p->vf_base_id = logical_id;
3245 			break;
3246 		case I40E_AQ_CAP_ID_VMDQ:
3247 			if (number == 1)
3248 				p->vmdq = true;
3249 			break;
3250 		case I40E_AQ_CAP_ID_8021QBG:
3251 			if (number == 1)
3252 				p->evb_802_1_qbg = true;
3253 			break;
3254 		case I40E_AQ_CAP_ID_8021QBR:
3255 			if (number == 1)
3256 				p->evb_802_1_qbh = true;
3257 			break;
3258 		case I40E_AQ_CAP_ID_VSI:
3259 			p->num_vsis = number;
3260 			break;
3261 		case I40E_AQ_CAP_ID_DCB:
3262 			if (number == 1) {
3263 				p->dcb = true;
3264 				p->enabled_tcmap = logical_id;
3265 				p->maxtc = phys_id;
3266 			}
3267 			break;
3268 		case I40E_AQ_CAP_ID_FCOE:
3269 			if (number == 1)
3270 				p->fcoe = true;
3271 			break;
3272 		case I40E_AQ_CAP_ID_ISCSI:
3273 			if (number == 1)
3274 				p->iscsi = true;
3275 			break;
3276 		case I40E_AQ_CAP_ID_RSS:
3277 			p->rss = true;
3278 			p->rss_table_size = number;
3279 			p->rss_table_entry_width = logical_id;
3280 			break;
3281 		case I40E_AQ_CAP_ID_RXQ:
3282 			p->num_rx_qp = number;
3283 			p->base_queue = phys_id;
3284 			break;
3285 		case I40E_AQ_CAP_ID_TXQ:
3286 			p->num_tx_qp = number;
3287 			p->base_queue = phys_id;
3288 			break;
3289 		case I40E_AQ_CAP_ID_MSIX:
3290 			p->num_msix_vectors = number;
3291 			i40e_debug(hw, I40E_DEBUG_INIT,
3292 				   "HW Capability: MSIX vector count = %d\n",
3293 				   p->num_msix_vectors);
3294 			break;
3295 		case I40E_AQ_CAP_ID_VF_MSIX:
3296 			p->num_msix_vectors_vf = number;
3297 			break;
3298 		case I40E_AQ_CAP_ID_FLEX10:
3299 			if (major_rev == 1) {
3300 				if (number == 1) {
3301 					p->flex10_enable = true;
3302 					p->flex10_capable = true;
3303 				}
3304 			} else {
3305 				/* Capability revision >= 2 */
3306 				if (number & 1)
3307 					p->flex10_enable = true;
3308 				if (number & 2)
3309 					p->flex10_capable = true;
3310 			}
3311 			p->flex10_mode = logical_id;
3312 			p->flex10_status = phys_id;
3313 			break;
3314 		case I40E_AQ_CAP_ID_CEM:
3315 			if (number == 1)
3316 				p->mgmt_cem = true;
3317 			break;
3318 		case I40E_AQ_CAP_ID_IWARP:
3319 			if (number == 1)
3320 				p->iwarp = true;
3321 			break;
3322 		case I40E_AQ_CAP_ID_LED:
3323 			if (phys_id < I40E_HW_CAP_MAX_GPIO)
3324 				p->led[phys_id] = true;
3325 			break;
3326 		case I40E_AQ_CAP_ID_SDP:
3327 			if (phys_id < I40E_HW_CAP_MAX_GPIO)
3328 				p->sdp[phys_id] = true;
3329 			break;
3330 		case I40E_AQ_CAP_ID_MDIO:
3331 			if (number == 1) {
3332 				p->mdio_port_num = phys_id;
3333 				p->mdio_port_mode = logical_id;
3334 			}
3335 			break;
3336 		case I40E_AQ_CAP_ID_1588:
3337 			if (number == 1)
3338 				p->ieee_1588 = true;
3339 			break;
3340 		case I40E_AQ_CAP_ID_FLOW_DIRECTOR:
3341 			p->fd = true;
3342 			p->fd_filters_guaranteed = number;
3343 			p->fd_filters_best_effort = logical_id;
3344 			break;
3345 		case I40E_AQ_CAP_ID_WSR_PROT:
3346 			p->wr_csr_prot = (u64)number;
3347 			p->wr_csr_prot |= (u64)logical_id << 32;
3348 			break;
3349 		case I40E_AQ_CAP_ID_NVM_MGMT:
3350 			if (number & I40E_NVM_MGMT_SEC_REV_DISABLED)
3351 				p->sec_rev_disabled = true;
3352 			if (number & I40E_NVM_MGMT_UPDATE_DISABLED)
3353 				p->update_disabled = true;
3354 			break;
3355 		default:
3356 			break;
3357 		}
3358 	}
3359 
3360 	if (p->fcoe)
3361 		i40e_debug(hw, I40E_DEBUG_ALL, "device is FCoE capable\n");
3362 
3363 	/* Software override ensuring FCoE is disabled if npar or mfp
3364 	 * mode because it is not supported in these modes.
3365 	 */
3366 	if (p->npar_enable || p->flex10_enable)
3367 		p->fcoe = false;
3368 
3369 	/* count the enabled ports (aka the "not disabled" ports) */
3370 	hw->num_ports = 0;
3371 	for (i = 0; i < 4; i++) {
3372 		u32 port_cfg_reg = I40E_PRTGEN_CNF + (4 * i);
3373 		u64 port_cfg = 0;
3374 
3375 		/* use AQ read to get the physical register offset instead
3376 		 * of the port relative offset
3377 		 */
3378 		i40e_aq_debug_read_register(hw, port_cfg_reg, &port_cfg, NULL);
3379 		if (!(port_cfg & I40E_PRTGEN_CNF_PORT_DIS_MASK))
3380 			hw->num_ports++;
3381 	}
3382 
3383 	valid_functions = p->valid_functions;
3384 	num_functions = 0;
3385 	while (valid_functions) {
3386 		if (valid_functions & 1)
3387 			num_functions++;
3388 		valid_functions >>= 1;
3389 	}
3390 
3391 	/* partition id is 1-based, and functions are evenly spread
3392 	 * across the ports as partitions
3393 	 */
3394 	if (hw->num_ports != 0) {
3395 		hw->partition_id = (hw->pf_id / hw->num_ports) + 1;
3396 		hw->num_partitions = num_functions / hw->num_ports;
3397 	}
3398 
3399 	/* additional HW specific goodies that might
3400 	 * someday be HW version specific
3401 	 */
3402 	p->rx_buf_chain_len = I40E_MAX_CHAINED_RX_BUFFERS;
3403 }
3404 
3405 /**
3406  * i40e_aq_discover_capabilities
3407  * @hw: pointer to the hw struct
3408  * @buff: a virtual buffer to hold the capabilities
3409  * @buff_size: Size of the virtual buffer
3410  * @data_size: Size of the returned data, or buff size needed if AQ err==ENOMEM
3411  * @list_type_opc: capabilities type to discover - pass in the command opcode
3412  * @cmd_details: pointer to command details structure or NULL
3413  *
3414  * Get the device capabilities descriptions from the firmware
3415  **/
3416 i40e_status i40e_aq_discover_capabilities(struct i40e_hw *hw,
3417 				void *buff, u16 buff_size, u16 *data_size,
3418 				enum i40e_admin_queue_opc list_type_opc,
3419 				struct i40e_asq_cmd_details *cmd_details)
3420 {
3421 	struct i40e_aqc_list_capabilites *cmd;
3422 	struct i40e_aq_desc desc;
3423 	i40e_status status = 0;
3424 
3425 	cmd = (struct i40e_aqc_list_capabilites *)&desc.params.raw;
3426 
3427 	if (list_type_opc != i40e_aqc_opc_list_func_capabilities &&
3428 		list_type_opc != i40e_aqc_opc_list_dev_capabilities) {
3429 		status = I40E_ERR_PARAM;
3430 		goto exit;
3431 	}
3432 
3433 	i40e_fill_default_direct_cmd_desc(&desc, list_type_opc);
3434 
3435 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
3436 	if (buff_size > I40E_AQ_LARGE_BUF)
3437 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
3438 
3439 	status = i40e_asq_send_command(hw, &desc, buff, buff_size, cmd_details);
3440 	*data_size = le16_to_cpu(desc.datalen);
3441 
3442 	if (status)
3443 		goto exit;
3444 
3445 	i40e_parse_discover_capabilities(hw, buff, le32_to_cpu(cmd->count),
3446 					 list_type_opc);
3447 
3448 exit:
3449 	return status;
3450 }
3451 
3452 /**
3453  * i40e_aq_update_nvm
3454  * @hw: pointer to the hw struct
3455  * @module_pointer: module pointer location in words from the NVM beginning
3456  * @offset: byte offset from the module beginning
3457  * @length: length of the section to be written (in bytes from the offset)
3458  * @data: command buffer (size [bytes] = length)
3459  * @last_command: tells if this is the last command in a series
3460  * @cmd_details: pointer to command details structure or NULL
3461  *
3462  * Update the NVM using the admin queue commands
3463  **/
3464 i40e_status i40e_aq_update_nvm(struct i40e_hw *hw, u8 module_pointer,
3465 			       u32 offset, u16 length, void *data,
3466 			       bool last_command,
3467 			       struct i40e_asq_cmd_details *cmd_details)
3468 {
3469 	struct i40e_aq_desc desc;
3470 	struct i40e_aqc_nvm_update *cmd =
3471 		(struct i40e_aqc_nvm_update *)&desc.params.raw;
3472 	i40e_status status;
3473 
3474 	/* In offset the highest byte must be zeroed. */
3475 	if (offset & 0xFF000000) {
3476 		status = I40E_ERR_PARAM;
3477 		goto i40e_aq_update_nvm_exit;
3478 	}
3479 
3480 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_nvm_update);
3481 
3482 	/* If this is the last command in a series, set the proper flag. */
3483 	if (last_command)
3484 		cmd->command_flags |= I40E_AQ_NVM_LAST_CMD;
3485 	cmd->module_pointer = module_pointer;
3486 	cmd->offset = cpu_to_le32(offset);
3487 	cmd->length = cpu_to_le16(length);
3488 
3489 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
3490 	if (length > I40E_AQ_LARGE_BUF)
3491 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
3492 
3493 	status = i40e_asq_send_command(hw, &desc, data, length, cmd_details);
3494 
3495 i40e_aq_update_nvm_exit:
3496 	return status;
3497 }
3498 
3499 /**
3500  * i40e_aq_get_lldp_mib
3501  * @hw: pointer to the hw struct
3502  * @bridge_type: type of bridge requested
3503  * @mib_type: Local, Remote or both Local and Remote MIBs
3504  * @buff: pointer to a user supplied buffer to store the MIB block
3505  * @buff_size: size of the buffer (in bytes)
3506  * @local_len : length of the returned Local LLDP MIB
3507  * @remote_len: length of the returned Remote LLDP MIB
3508  * @cmd_details: pointer to command details structure or NULL
3509  *
3510  * Requests the complete LLDP MIB (entire packet).
3511  **/
3512 i40e_status i40e_aq_get_lldp_mib(struct i40e_hw *hw, u8 bridge_type,
3513 				u8 mib_type, void *buff, u16 buff_size,
3514 				u16 *local_len, u16 *remote_len,
3515 				struct i40e_asq_cmd_details *cmd_details)
3516 {
3517 	struct i40e_aq_desc desc;
3518 	struct i40e_aqc_lldp_get_mib *cmd =
3519 		(struct i40e_aqc_lldp_get_mib *)&desc.params.raw;
3520 	struct i40e_aqc_lldp_get_mib *resp =
3521 		(struct i40e_aqc_lldp_get_mib *)&desc.params.raw;
3522 	i40e_status status;
3523 
3524 	if (buff_size == 0 || !buff)
3525 		return I40E_ERR_PARAM;
3526 
3527 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_lldp_get_mib);
3528 	/* Indirect Command */
3529 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
3530 
3531 	cmd->type = mib_type & I40E_AQ_LLDP_MIB_TYPE_MASK;
3532 	cmd->type |= ((bridge_type << I40E_AQ_LLDP_BRIDGE_TYPE_SHIFT) &
3533 		       I40E_AQ_LLDP_BRIDGE_TYPE_MASK);
3534 
3535 	desc.datalen = cpu_to_le16(buff_size);
3536 
3537 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
3538 	if (buff_size > I40E_AQ_LARGE_BUF)
3539 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
3540 
3541 	status = i40e_asq_send_command(hw, &desc, buff, buff_size, cmd_details);
3542 	if (!status) {
3543 		if (local_len != NULL)
3544 			*local_len = le16_to_cpu(resp->local_len);
3545 		if (remote_len != NULL)
3546 			*remote_len = le16_to_cpu(resp->remote_len);
3547 	}
3548 
3549 	return status;
3550 }
3551 
3552 /**
3553  * i40e_aq_cfg_lldp_mib_change_event
3554  * @hw: pointer to the hw struct
3555  * @enable_update: Enable or Disable event posting
3556  * @cmd_details: pointer to command details structure or NULL
3557  *
3558  * Enable or Disable posting of an event on ARQ when LLDP MIB
3559  * associated with the interface changes
3560  **/
3561 i40e_status i40e_aq_cfg_lldp_mib_change_event(struct i40e_hw *hw,
3562 				bool enable_update,
3563 				struct i40e_asq_cmd_details *cmd_details)
3564 {
3565 	struct i40e_aq_desc desc;
3566 	struct i40e_aqc_lldp_update_mib *cmd =
3567 		(struct i40e_aqc_lldp_update_mib *)&desc.params.raw;
3568 	i40e_status status;
3569 
3570 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_lldp_update_mib);
3571 
3572 	if (!enable_update)
3573 		cmd->command |= I40E_AQ_LLDP_MIB_UPDATE_DISABLE;
3574 
3575 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3576 
3577 	return status;
3578 }
3579 
3580 /**
3581  * i40e_aq_stop_lldp
3582  * @hw: pointer to the hw struct
3583  * @shutdown_agent: True if LLDP Agent needs to be Shutdown
3584  * @cmd_details: pointer to command details structure or NULL
3585  *
3586  * Stop or Shutdown the embedded LLDP Agent
3587  **/
3588 i40e_status i40e_aq_stop_lldp(struct i40e_hw *hw, bool shutdown_agent,
3589 				struct i40e_asq_cmd_details *cmd_details)
3590 {
3591 	struct i40e_aq_desc desc;
3592 	struct i40e_aqc_lldp_stop *cmd =
3593 		(struct i40e_aqc_lldp_stop *)&desc.params.raw;
3594 	i40e_status status;
3595 
3596 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_lldp_stop);
3597 
3598 	if (shutdown_agent)
3599 		cmd->command |= I40E_AQ_LLDP_AGENT_SHUTDOWN;
3600 
3601 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3602 
3603 	return status;
3604 }
3605 
3606 /**
3607  * i40e_aq_start_lldp
3608  * @hw: pointer to the hw struct
3609  * @cmd_details: pointer to command details structure or NULL
3610  *
3611  * Start the embedded LLDP Agent on all ports.
3612  **/
3613 i40e_status i40e_aq_start_lldp(struct i40e_hw *hw,
3614 				struct i40e_asq_cmd_details *cmd_details)
3615 {
3616 	struct i40e_aq_desc desc;
3617 	struct i40e_aqc_lldp_start *cmd =
3618 		(struct i40e_aqc_lldp_start *)&desc.params.raw;
3619 	i40e_status status;
3620 
3621 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_lldp_start);
3622 
3623 	cmd->command = I40E_AQ_LLDP_AGENT_START;
3624 
3625 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3626 
3627 	return status;
3628 }
3629 
3630 /**
3631  * i40e_aq_get_cee_dcb_config
3632  * @hw: pointer to the hw struct
3633  * @buff: response buffer that stores CEE operational configuration
3634  * @buff_size: size of the buffer passed
3635  * @cmd_details: pointer to command details structure or NULL
3636  *
3637  * Get CEE DCBX mode operational configuration from firmware
3638  **/
3639 i40e_status i40e_aq_get_cee_dcb_config(struct i40e_hw *hw,
3640 				       void *buff, u16 buff_size,
3641 				       struct i40e_asq_cmd_details *cmd_details)
3642 {
3643 	struct i40e_aq_desc desc;
3644 	i40e_status status;
3645 
3646 	if (buff_size == 0 || !buff)
3647 		return I40E_ERR_PARAM;
3648 
3649 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_get_cee_dcb_cfg);
3650 
3651 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
3652 	status = i40e_asq_send_command(hw, &desc, (void *)buff, buff_size,
3653 				       cmd_details);
3654 
3655 	return status;
3656 }
3657 
3658 /**
3659  * i40e_aq_add_udp_tunnel
3660  * @hw: pointer to the hw struct
3661  * @udp_port: the UDP port to add in Host byte order
3662  * @header_len: length of the tunneling header length in DWords
3663  * @protocol_index: protocol index type
3664  * @filter_index: pointer to filter index
3665  * @cmd_details: pointer to command details structure or NULL
3666  *
3667  * Note: Firmware expects the udp_port value to be in Little Endian format,
3668  * and this function will call cpu_to_le16 to convert from Host byte order to
3669  * Little Endian order.
3670  **/
3671 i40e_status i40e_aq_add_udp_tunnel(struct i40e_hw *hw,
3672 				u16 udp_port, u8 protocol_index,
3673 				u8 *filter_index,
3674 				struct i40e_asq_cmd_details *cmd_details)
3675 {
3676 	struct i40e_aq_desc desc;
3677 	struct i40e_aqc_add_udp_tunnel *cmd =
3678 		(struct i40e_aqc_add_udp_tunnel *)&desc.params.raw;
3679 	struct i40e_aqc_del_udp_tunnel_completion *resp =
3680 		(struct i40e_aqc_del_udp_tunnel_completion *)&desc.params.raw;
3681 	i40e_status status;
3682 
3683 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_add_udp_tunnel);
3684 
3685 	cmd->udp_port = cpu_to_le16(udp_port);
3686 	cmd->protocol_type = protocol_index;
3687 
3688 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3689 
3690 	if (!status && filter_index)
3691 		*filter_index = resp->index;
3692 
3693 	return status;
3694 }
3695 
3696 /**
3697  * i40e_aq_del_udp_tunnel
3698  * @hw: pointer to the hw struct
3699  * @index: filter index
3700  * @cmd_details: pointer to command details structure or NULL
3701  **/
3702 i40e_status i40e_aq_del_udp_tunnel(struct i40e_hw *hw, u8 index,
3703 				struct i40e_asq_cmd_details *cmd_details)
3704 {
3705 	struct i40e_aq_desc desc;
3706 	struct i40e_aqc_remove_udp_tunnel *cmd =
3707 		(struct i40e_aqc_remove_udp_tunnel *)&desc.params.raw;
3708 	i40e_status status;
3709 
3710 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_del_udp_tunnel);
3711 
3712 	cmd->index = index;
3713 
3714 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3715 
3716 	return status;
3717 }
3718 
3719 /**
3720  * i40e_aq_delete_element - Delete switch element
3721  * @hw: pointer to the hw struct
3722  * @seid: the SEID to delete from the switch
3723  * @cmd_details: pointer to command details structure or NULL
3724  *
3725  * This deletes a switch element from the switch.
3726  **/
3727 i40e_status i40e_aq_delete_element(struct i40e_hw *hw, u16 seid,
3728 				struct i40e_asq_cmd_details *cmd_details)
3729 {
3730 	struct i40e_aq_desc desc;
3731 	struct i40e_aqc_switch_seid *cmd =
3732 		(struct i40e_aqc_switch_seid *)&desc.params.raw;
3733 	i40e_status status;
3734 
3735 	if (seid == 0)
3736 		return I40E_ERR_PARAM;
3737 
3738 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_delete_element);
3739 
3740 	cmd->seid = cpu_to_le16(seid);
3741 
3742 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3743 
3744 	return status;
3745 }
3746 
3747 /**
3748  * i40e_aq_dcb_updated - DCB Updated Command
3749  * @hw: pointer to the hw struct
3750  * @cmd_details: pointer to command details structure or NULL
3751  *
3752  * EMP will return when the shared RPB settings have been
3753  * recomputed and modified. The retval field in the descriptor
3754  * will be set to 0 when RPB is modified.
3755  **/
3756 i40e_status i40e_aq_dcb_updated(struct i40e_hw *hw,
3757 				struct i40e_asq_cmd_details *cmd_details)
3758 {
3759 	struct i40e_aq_desc desc;
3760 	i40e_status status;
3761 
3762 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_dcb_updated);
3763 
3764 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3765 
3766 	return status;
3767 }
3768 
3769 /**
3770  * i40e_aq_tx_sched_cmd - generic Tx scheduler AQ command handler
3771  * @hw: pointer to the hw struct
3772  * @seid: seid for the physical port/switching component/vsi
3773  * @buff: Indirect buffer to hold data parameters and response
3774  * @buff_size: Indirect buffer size
3775  * @opcode: Tx scheduler AQ command opcode
3776  * @cmd_details: pointer to command details structure or NULL
3777  *
3778  * Generic command handler for Tx scheduler AQ commands
3779  **/
3780 static i40e_status i40e_aq_tx_sched_cmd(struct i40e_hw *hw, u16 seid,
3781 				void *buff, u16 buff_size,
3782 				 enum i40e_admin_queue_opc opcode,
3783 				struct i40e_asq_cmd_details *cmd_details)
3784 {
3785 	struct i40e_aq_desc desc;
3786 	struct i40e_aqc_tx_sched_ind *cmd =
3787 		(struct i40e_aqc_tx_sched_ind *)&desc.params.raw;
3788 	i40e_status status;
3789 	bool cmd_param_flag = false;
3790 
3791 	switch (opcode) {
3792 	case i40e_aqc_opc_configure_vsi_ets_sla_bw_limit:
3793 	case i40e_aqc_opc_configure_vsi_tc_bw:
3794 	case i40e_aqc_opc_enable_switching_comp_ets:
3795 	case i40e_aqc_opc_modify_switching_comp_ets:
3796 	case i40e_aqc_opc_disable_switching_comp_ets:
3797 	case i40e_aqc_opc_configure_switching_comp_ets_bw_limit:
3798 	case i40e_aqc_opc_configure_switching_comp_bw_config:
3799 		cmd_param_flag = true;
3800 		break;
3801 	case i40e_aqc_opc_query_vsi_bw_config:
3802 	case i40e_aqc_opc_query_vsi_ets_sla_config:
3803 	case i40e_aqc_opc_query_switching_comp_ets_config:
3804 	case i40e_aqc_opc_query_port_ets_config:
3805 	case i40e_aqc_opc_query_switching_comp_bw_config:
3806 		cmd_param_flag = false;
3807 		break;
3808 	default:
3809 		return I40E_ERR_PARAM;
3810 	}
3811 
3812 	i40e_fill_default_direct_cmd_desc(&desc, opcode);
3813 
3814 	/* Indirect command */
3815 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
3816 	if (cmd_param_flag)
3817 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_RD);
3818 	if (buff_size > I40E_AQ_LARGE_BUF)
3819 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
3820 
3821 	desc.datalen = cpu_to_le16(buff_size);
3822 
3823 	cmd->vsi_seid = cpu_to_le16(seid);
3824 
3825 	status = i40e_asq_send_command(hw, &desc, buff, buff_size, cmd_details);
3826 
3827 	return status;
3828 }
3829 
3830 /**
3831  * i40e_aq_config_vsi_bw_limit - Configure VSI BW Limit
3832  * @hw: pointer to the hw struct
3833  * @seid: VSI seid
3834  * @credit: BW limit credits (0 = disabled)
3835  * @max_credit: Max BW limit credits
3836  * @cmd_details: pointer to command details structure or NULL
3837  **/
3838 i40e_status i40e_aq_config_vsi_bw_limit(struct i40e_hw *hw,
3839 				u16 seid, u16 credit, u8 max_credit,
3840 				struct i40e_asq_cmd_details *cmd_details)
3841 {
3842 	struct i40e_aq_desc desc;
3843 	struct i40e_aqc_configure_vsi_bw_limit *cmd =
3844 		(struct i40e_aqc_configure_vsi_bw_limit *)&desc.params.raw;
3845 	i40e_status status;
3846 
3847 	i40e_fill_default_direct_cmd_desc(&desc,
3848 					  i40e_aqc_opc_configure_vsi_bw_limit);
3849 
3850 	cmd->vsi_seid = cpu_to_le16(seid);
3851 	cmd->credit = cpu_to_le16(credit);
3852 	cmd->max_credit = max_credit;
3853 
3854 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3855 
3856 	return status;
3857 }
3858 
3859 /**
3860  * i40e_aq_config_vsi_tc_bw - Config VSI BW Allocation per TC
3861  * @hw: pointer to the hw struct
3862  * @seid: VSI seid
3863  * @bw_data: Buffer holding enabled TCs, relative TC BW limit/credits
3864  * @cmd_details: pointer to command details structure or NULL
3865  **/
3866 i40e_status i40e_aq_config_vsi_tc_bw(struct i40e_hw *hw,
3867 			u16 seid,
3868 			struct i40e_aqc_configure_vsi_tc_bw_data *bw_data,
3869 			struct i40e_asq_cmd_details *cmd_details)
3870 {
3871 	return i40e_aq_tx_sched_cmd(hw, seid, (void *)bw_data, sizeof(*bw_data),
3872 				    i40e_aqc_opc_configure_vsi_tc_bw,
3873 				    cmd_details);
3874 }
3875 
3876 /**
3877  * i40e_aq_config_switch_comp_ets - Enable/Disable/Modify ETS on the port
3878  * @hw: pointer to the hw struct
3879  * @seid: seid of the switching component connected to Physical Port
3880  * @ets_data: Buffer holding ETS parameters
3881  * @cmd_details: pointer to command details structure or NULL
3882  **/
3883 i40e_status i40e_aq_config_switch_comp_ets(struct i40e_hw *hw,
3884 		u16 seid,
3885 		struct i40e_aqc_configure_switching_comp_ets_data *ets_data,
3886 		enum i40e_admin_queue_opc opcode,
3887 		struct i40e_asq_cmd_details *cmd_details)
3888 {
3889 	return i40e_aq_tx_sched_cmd(hw, seid, (void *)ets_data,
3890 				    sizeof(*ets_data), opcode, cmd_details);
3891 }
3892 
3893 /**
3894  * i40e_aq_config_switch_comp_bw_config - Config Switch comp BW Alloc per TC
3895  * @hw: pointer to the hw struct
3896  * @seid: seid of the switching component
3897  * @bw_data: Buffer holding enabled TCs, relative/absolute TC BW limit/credits
3898  * @cmd_details: pointer to command details structure or NULL
3899  **/
3900 i40e_status i40e_aq_config_switch_comp_bw_config(struct i40e_hw *hw,
3901 	u16 seid,
3902 	struct i40e_aqc_configure_switching_comp_bw_config_data *bw_data,
3903 	struct i40e_asq_cmd_details *cmd_details)
3904 {
3905 	return i40e_aq_tx_sched_cmd(hw, seid, (void *)bw_data, sizeof(*bw_data),
3906 			    i40e_aqc_opc_configure_switching_comp_bw_config,
3907 			    cmd_details);
3908 }
3909 
3910 /**
3911  * i40e_aq_query_vsi_bw_config - Query VSI BW configuration
3912  * @hw: pointer to the hw struct
3913  * @seid: seid of the VSI
3914  * @bw_data: Buffer to hold VSI BW configuration
3915  * @cmd_details: pointer to command details structure or NULL
3916  **/
3917 i40e_status i40e_aq_query_vsi_bw_config(struct i40e_hw *hw,
3918 			u16 seid,
3919 			struct i40e_aqc_query_vsi_bw_config_resp *bw_data,
3920 			struct i40e_asq_cmd_details *cmd_details)
3921 {
3922 	return i40e_aq_tx_sched_cmd(hw, seid, (void *)bw_data, sizeof(*bw_data),
3923 				    i40e_aqc_opc_query_vsi_bw_config,
3924 				    cmd_details);
3925 }
3926 
3927 /**
3928  * i40e_aq_query_vsi_ets_sla_config - Query VSI BW configuration per TC
3929  * @hw: pointer to the hw struct
3930  * @seid: seid of the VSI
3931  * @bw_data: Buffer to hold VSI BW configuration per TC
3932  * @cmd_details: pointer to command details structure or NULL
3933  **/
3934 i40e_status i40e_aq_query_vsi_ets_sla_config(struct i40e_hw *hw,
3935 			u16 seid,
3936 			struct i40e_aqc_query_vsi_ets_sla_config_resp *bw_data,
3937 			struct i40e_asq_cmd_details *cmd_details)
3938 {
3939 	return i40e_aq_tx_sched_cmd(hw, seid, (void *)bw_data, sizeof(*bw_data),
3940 				    i40e_aqc_opc_query_vsi_ets_sla_config,
3941 				    cmd_details);
3942 }
3943 
3944 /**
3945  * i40e_aq_query_switch_comp_ets_config - Query Switch comp BW config per TC
3946  * @hw: pointer to the hw struct
3947  * @seid: seid of the switching component
3948  * @bw_data: Buffer to hold switching component's per TC BW config
3949  * @cmd_details: pointer to command details structure or NULL
3950  **/
3951 i40e_status i40e_aq_query_switch_comp_ets_config(struct i40e_hw *hw,
3952 		u16 seid,
3953 		struct i40e_aqc_query_switching_comp_ets_config_resp *bw_data,
3954 		struct i40e_asq_cmd_details *cmd_details)
3955 {
3956 	return i40e_aq_tx_sched_cmd(hw, seid, (void *)bw_data, sizeof(*bw_data),
3957 				   i40e_aqc_opc_query_switching_comp_ets_config,
3958 				   cmd_details);
3959 }
3960 
3961 /**
3962  * i40e_aq_query_port_ets_config - Query Physical Port ETS configuration
3963  * @hw: pointer to the hw struct
3964  * @seid: seid of the VSI or switching component connected to Physical Port
3965  * @bw_data: Buffer to hold current ETS configuration for the Physical Port
3966  * @cmd_details: pointer to command details structure or NULL
3967  **/
3968 i40e_status i40e_aq_query_port_ets_config(struct i40e_hw *hw,
3969 			u16 seid,
3970 			struct i40e_aqc_query_port_ets_config_resp *bw_data,
3971 			struct i40e_asq_cmd_details *cmd_details)
3972 {
3973 	return i40e_aq_tx_sched_cmd(hw, seid, (void *)bw_data, sizeof(*bw_data),
3974 				    i40e_aqc_opc_query_port_ets_config,
3975 				    cmd_details);
3976 }
3977 
3978 /**
3979  * i40e_aq_query_switch_comp_bw_config - Query Switch comp BW configuration
3980  * @hw: pointer to the hw struct
3981  * @seid: seid of the switching component
3982  * @bw_data: Buffer to hold switching component's BW configuration
3983  * @cmd_details: pointer to command details structure or NULL
3984  **/
3985 i40e_status i40e_aq_query_switch_comp_bw_config(struct i40e_hw *hw,
3986 		u16 seid,
3987 		struct i40e_aqc_query_switching_comp_bw_config_resp *bw_data,
3988 		struct i40e_asq_cmd_details *cmd_details)
3989 {
3990 	return i40e_aq_tx_sched_cmd(hw, seid, (void *)bw_data, sizeof(*bw_data),
3991 				    i40e_aqc_opc_query_switching_comp_bw_config,
3992 				    cmd_details);
3993 }
3994 
3995 /**
3996  * i40e_validate_filter_settings
3997  * @hw: pointer to the hardware structure
3998  * @settings: Filter control settings
3999  *
4000  * Check and validate the filter control settings passed.
4001  * The function checks for the valid filter/context sizes being
4002  * passed for FCoE and PE.
4003  *
4004  * Returns 0 if the values passed are valid and within
4005  * range else returns an error.
4006  **/
4007 static i40e_status i40e_validate_filter_settings(struct i40e_hw *hw,
4008 				struct i40e_filter_control_settings *settings)
4009 {
4010 	u32 fcoe_cntx_size, fcoe_filt_size;
4011 	u32 pe_cntx_size, pe_filt_size;
4012 	u32 fcoe_fmax;
4013 	u32 val;
4014 
4015 	/* Validate FCoE settings passed */
4016 	switch (settings->fcoe_filt_num) {
4017 	case I40E_HASH_FILTER_SIZE_1K:
4018 	case I40E_HASH_FILTER_SIZE_2K:
4019 	case I40E_HASH_FILTER_SIZE_4K:
4020 	case I40E_HASH_FILTER_SIZE_8K:
4021 	case I40E_HASH_FILTER_SIZE_16K:
4022 	case I40E_HASH_FILTER_SIZE_32K:
4023 		fcoe_filt_size = I40E_HASH_FILTER_BASE_SIZE;
4024 		fcoe_filt_size <<= (u32)settings->fcoe_filt_num;
4025 		break;
4026 	default:
4027 		return I40E_ERR_PARAM;
4028 	}
4029 
4030 	switch (settings->fcoe_cntx_num) {
4031 	case I40E_DMA_CNTX_SIZE_512:
4032 	case I40E_DMA_CNTX_SIZE_1K:
4033 	case I40E_DMA_CNTX_SIZE_2K:
4034 	case I40E_DMA_CNTX_SIZE_4K:
4035 		fcoe_cntx_size = I40E_DMA_CNTX_BASE_SIZE;
4036 		fcoe_cntx_size <<= (u32)settings->fcoe_cntx_num;
4037 		break;
4038 	default:
4039 		return I40E_ERR_PARAM;
4040 	}
4041 
4042 	/* Validate PE settings passed */
4043 	switch (settings->pe_filt_num) {
4044 	case I40E_HASH_FILTER_SIZE_1K:
4045 	case I40E_HASH_FILTER_SIZE_2K:
4046 	case I40E_HASH_FILTER_SIZE_4K:
4047 	case I40E_HASH_FILTER_SIZE_8K:
4048 	case I40E_HASH_FILTER_SIZE_16K:
4049 	case I40E_HASH_FILTER_SIZE_32K:
4050 	case I40E_HASH_FILTER_SIZE_64K:
4051 	case I40E_HASH_FILTER_SIZE_128K:
4052 	case I40E_HASH_FILTER_SIZE_256K:
4053 	case I40E_HASH_FILTER_SIZE_512K:
4054 	case I40E_HASH_FILTER_SIZE_1M:
4055 		pe_filt_size = I40E_HASH_FILTER_BASE_SIZE;
4056 		pe_filt_size <<= (u32)settings->pe_filt_num;
4057 		break;
4058 	default:
4059 		return I40E_ERR_PARAM;
4060 	}
4061 
4062 	switch (settings->pe_cntx_num) {
4063 	case I40E_DMA_CNTX_SIZE_512:
4064 	case I40E_DMA_CNTX_SIZE_1K:
4065 	case I40E_DMA_CNTX_SIZE_2K:
4066 	case I40E_DMA_CNTX_SIZE_4K:
4067 	case I40E_DMA_CNTX_SIZE_8K:
4068 	case I40E_DMA_CNTX_SIZE_16K:
4069 	case I40E_DMA_CNTX_SIZE_32K:
4070 	case I40E_DMA_CNTX_SIZE_64K:
4071 	case I40E_DMA_CNTX_SIZE_128K:
4072 	case I40E_DMA_CNTX_SIZE_256K:
4073 		pe_cntx_size = I40E_DMA_CNTX_BASE_SIZE;
4074 		pe_cntx_size <<= (u32)settings->pe_cntx_num;
4075 		break;
4076 	default:
4077 		return I40E_ERR_PARAM;
4078 	}
4079 
4080 	/* FCHSIZE + FCDSIZE should not be greater than PMFCOEFMAX */
4081 	val = rd32(hw, I40E_GLHMC_FCOEFMAX);
4082 	fcoe_fmax = (val & I40E_GLHMC_FCOEFMAX_PMFCOEFMAX_MASK)
4083 		     >> I40E_GLHMC_FCOEFMAX_PMFCOEFMAX_SHIFT;
4084 	if (fcoe_filt_size + fcoe_cntx_size >  fcoe_fmax)
4085 		return I40E_ERR_INVALID_SIZE;
4086 
4087 	return 0;
4088 }
4089 
4090 /**
4091  * i40e_set_filter_control
4092  * @hw: pointer to the hardware structure
4093  * @settings: Filter control settings
4094  *
4095  * Set the Queue Filters for PE/FCoE and enable filters required
4096  * for a single PF. It is expected that these settings are programmed
4097  * at the driver initialization time.
4098  **/
4099 i40e_status i40e_set_filter_control(struct i40e_hw *hw,
4100 				struct i40e_filter_control_settings *settings)
4101 {
4102 	i40e_status ret = 0;
4103 	u32 hash_lut_size = 0;
4104 	u32 val;
4105 
4106 	if (!settings)
4107 		return I40E_ERR_PARAM;
4108 
4109 	/* Validate the input settings */
4110 	ret = i40e_validate_filter_settings(hw, settings);
4111 	if (ret)
4112 		return ret;
4113 
4114 	/* Read the PF Queue Filter control register */
4115 	val = i40e_read_rx_ctl(hw, I40E_PFQF_CTL_0);
4116 
4117 	/* Program required PE hash buckets for the PF */
4118 	val &= ~I40E_PFQF_CTL_0_PEHSIZE_MASK;
4119 	val |= ((u32)settings->pe_filt_num << I40E_PFQF_CTL_0_PEHSIZE_SHIFT) &
4120 		I40E_PFQF_CTL_0_PEHSIZE_MASK;
4121 	/* Program required PE contexts for the PF */
4122 	val &= ~I40E_PFQF_CTL_0_PEDSIZE_MASK;
4123 	val |= ((u32)settings->pe_cntx_num << I40E_PFQF_CTL_0_PEDSIZE_SHIFT) &
4124 		I40E_PFQF_CTL_0_PEDSIZE_MASK;
4125 
4126 	/* Program required FCoE hash buckets for the PF */
4127 	val &= ~I40E_PFQF_CTL_0_PFFCHSIZE_MASK;
4128 	val |= ((u32)settings->fcoe_filt_num <<
4129 			I40E_PFQF_CTL_0_PFFCHSIZE_SHIFT) &
4130 		I40E_PFQF_CTL_0_PFFCHSIZE_MASK;
4131 	/* Program required FCoE DDP contexts for the PF */
4132 	val &= ~I40E_PFQF_CTL_0_PFFCDSIZE_MASK;
4133 	val |= ((u32)settings->fcoe_cntx_num <<
4134 			I40E_PFQF_CTL_0_PFFCDSIZE_SHIFT) &
4135 		I40E_PFQF_CTL_0_PFFCDSIZE_MASK;
4136 
4137 	/* Program Hash LUT size for the PF */
4138 	val &= ~I40E_PFQF_CTL_0_HASHLUTSIZE_MASK;
4139 	if (settings->hash_lut_size == I40E_HASH_LUT_SIZE_512)
4140 		hash_lut_size = 1;
4141 	val |= (hash_lut_size << I40E_PFQF_CTL_0_HASHLUTSIZE_SHIFT) &
4142 		I40E_PFQF_CTL_0_HASHLUTSIZE_MASK;
4143 
4144 	/* Enable FDIR, Ethertype and MACVLAN filters for PF and VFs */
4145 	if (settings->enable_fdir)
4146 		val |= I40E_PFQF_CTL_0_FD_ENA_MASK;
4147 	if (settings->enable_ethtype)
4148 		val |= I40E_PFQF_CTL_0_ETYPE_ENA_MASK;
4149 	if (settings->enable_macvlan)
4150 		val |= I40E_PFQF_CTL_0_MACVLAN_ENA_MASK;
4151 
4152 	i40e_write_rx_ctl(hw, I40E_PFQF_CTL_0, val);
4153 
4154 	return 0;
4155 }
4156 
4157 /**
4158  * i40e_aq_add_rem_control_packet_filter - Add or Remove Control Packet Filter
4159  * @hw: pointer to the hw struct
4160  * @mac_addr: MAC address to use in the filter
4161  * @ethtype: Ethertype to use in the filter
4162  * @flags: Flags that needs to be applied to the filter
4163  * @vsi_seid: seid of the control VSI
4164  * @queue: VSI queue number to send the packet to
4165  * @is_add: Add control packet filter if True else remove
4166  * @stats: Structure to hold information on control filter counts
4167  * @cmd_details: pointer to command details structure or NULL
4168  *
4169  * This command will Add or Remove control packet filter for a control VSI.
4170  * In return it will update the total number of perfect filter count in
4171  * the stats member.
4172  **/
4173 i40e_status i40e_aq_add_rem_control_packet_filter(struct i40e_hw *hw,
4174 				u8 *mac_addr, u16 ethtype, u16 flags,
4175 				u16 vsi_seid, u16 queue, bool is_add,
4176 				struct i40e_control_filter_stats *stats,
4177 				struct i40e_asq_cmd_details *cmd_details)
4178 {
4179 	struct i40e_aq_desc desc;
4180 	struct i40e_aqc_add_remove_control_packet_filter *cmd =
4181 		(struct i40e_aqc_add_remove_control_packet_filter *)
4182 		&desc.params.raw;
4183 	struct i40e_aqc_add_remove_control_packet_filter_completion *resp =
4184 		(struct i40e_aqc_add_remove_control_packet_filter_completion *)
4185 		&desc.params.raw;
4186 	i40e_status status;
4187 
4188 	if (vsi_seid == 0)
4189 		return I40E_ERR_PARAM;
4190 
4191 	if (is_add) {
4192 		i40e_fill_default_direct_cmd_desc(&desc,
4193 				i40e_aqc_opc_add_control_packet_filter);
4194 		cmd->queue = cpu_to_le16(queue);
4195 	} else {
4196 		i40e_fill_default_direct_cmd_desc(&desc,
4197 				i40e_aqc_opc_remove_control_packet_filter);
4198 	}
4199 
4200 	if (mac_addr)
4201 		ether_addr_copy(cmd->mac, mac_addr);
4202 
4203 	cmd->etype = cpu_to_le16(ethtype);
4204 	cmd->flags = cpu_to_le16(flags);
4205 	cmd->seid = cpu_to_le16(vsi_seid);
4206 
4207 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
4208 
4209 	if (!status && stats) {
4210 		stats->mac_etype_used = le16_to_cpu(resp->mac_etype_used);
4211 		stats->etype_used = le16_to_cpu(resp->etype_used);
4212 		stats->mac_etype_free = le16_to_cpu(resp->mac_etype_free);
4213 		stats->etype_free = le16_to_cpu(resp->etype_free);
4214 	}
4215 
4216 	return status;
4217 }
4218 
4219 /**
4220  * i40e_add_filter_to_drop_tx_flow_control_frames- filter to drop flow control
4221  * @hw: pointer to the hw struct
4222  * @seid: VSI seid to add ethertype filter from
4223  **/
4224 #define I40E_FLOW_CONTROL_ETHTYPE 0x8808
4225 void i40e_add_filter_to_drop_tx_flow_control_frames(struct i40e_hw *hw,
4226 						    u16 seid)
4227 {
4228 	u16 flag = I40E_AQC_ADD_CONTROL_PACKET_FLAGS_IGNORE_MAC |
4229 		   I40E_AQC_ADD_CONTROL_PACKET_FLAGS_DROP |
4230 		   I40E_AQC_ADD_CONTROL_PACKET_FLAGS_TX;
4231 	u16 ethtype = I40E_FLOW_CONTROL_ETHTYPE;
4232 	i40e_status status;
4233 
4234 	status = i40e_aq_add_rem_control_packet_filter(hw, NULL, ethtype, flag,
4235 						       seid, 0, true, NULL,
4236 						       NULL);
4237 	if (status)
4238 		hw_dbg(hw, "Ethtype Filter Add failed: Error pruning Tx flow control frames\n");
4239 }
4240 
4241 /**
4242  * i40e_aq_alternate_read
4243  * @hw: pointer to the hardware structure
4244  * @reg_addr0: address of first dword to be read
4245  * @reg_val0: pointer for data read from 'reg_addr0'
4246  * @reg_addr1: address of second dword to be read
4247  * @reg_val1: pointer for data read from 'reg_addr1'
4248  *
4249  * Read one or two dwords from alternate structure. Fields are indicated
4250  * by 'reg_addr0' and 'reg_addr1' register numbers. If 'reg_val1' pointer
4251  * is not passed then only register at 'reg_addr0' is read.
4252  *
4253  **/
4254 static i40e_status i40e_aq_alternate_read(struct i40e_hw *hw,
4255 					  u32 reg_addr0, u32 *reg_val0,
4256 					  u32 reg_addr1, u32 *reg_val1)
4257 {
4258 	struct i40e_aq_desc desc;
4259 	struct i40e_aqc_alternate_write *cmd_resp =
4260 		(struct i40e_aqc_alternate_write *)&desc.params.raw;
4261 	i40e_status status;
4262 
4263 	if (!reg_val0)
4264 		return I40E_ERR_PARAM;
4265 
4266 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_alternate_read);
4267 	cmd_resp->address0 = cpu_to_le32(reg_addr0);
4268 	cmd_resp->address1 = cpu_to_le32(reg_addr1);
4269 
4270 	status = i40e_asq_send_command(hw, &desc, NULL, 0, NULL);
4271 
4272 	if (!status) {
4273 		*reg_val0 = le32_to_cpu(cmd_resp->data0);
4274 
4275 		if (reg_val1)
4276 			*reg_val1 = le32_to_cpu(cmd_resp->data1);
4277 	}
4278 
4279 	return status;
4280 }
4281 
4282 /**
4283  * i40e_aq_resume_port_tx
4284  * @hw: pointer to the hardware structure
4285  * @cmd_details: pointer to command details structure or NULL
4286  *
4287  * Resume port's Tx traffic
4288  **/
4289 i40e_status i40e_aq_resume_port_tx(struct i40e_hw *hw,
4290 				   struct i40e_asq_cmd_details *cmd_details)
4291 {
4292 	struct i40e_aq_desc desc;
4293 	i40e_status status;
4294 
4295 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_resume_port_tx);
4296 
4297 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
4298 
4299 	return status;
4300 }
4301 
4302 /**
4303  * i40e_set_pci_config_data - store PCI bus info
4304  * @hw: pointer to hardware structure
4305  * @link_status: the link status word from PCI config space
4306  *
4307  * Stores the PCI bus info (speed, width, type) within the i40e_hw structure
4308  **/
4309 void i40e_set_pci_config_data(struct i40e_hw *hw, u16 link_status)
4310 {
4311 	hw->bus.type = i40e_bus_type_pci_express;
4312 
4313 	switch (link_status & PCI_EXP_LNKSTA_NLW) {
4314 	case PCI_EXP_LNKSTA_NLW_X1:
4315 		hw->bus.width = i40e_bus_width_pcie_x1;
4316 		break;
4317 	case PCI_EXP_LNKSTA_NLW_X2:
4318 		hw->bus.width = i40e_bus_width_pcie_x2;
4319 		break;
4320 	case PCI_EXP_LNKSTA_NLW_X4:
4321 		hw->bus.width = i40e_bus_width_pcie_x4;
4322 		break;
4323 	case PCI_EXP_LNKSTA_NLW_X8:
4324 		hw->bus.width = i40e_bus_width_pcie_x8;
4325 		break;
4326 	default:
4327 		hw->bus.width = i40e_bus_width_unknown;
4328 		break;
4329 	}
4330 
4331 	switch (link_status & PCI_EXP_LNKSTA_CLS) {
4332 	case PCI_EXP_LNKSTA_CLS_2_5GB:
4333 		hw->bus.speed = i40e_bus_speed_2500;
4334 		break;
4335 	case PCI_EXP_LNKSTA_CLS_5_0GB:
4336 		hw->bus.speed = i40e_bus_speed_5000;
4337 		break;
4338 	case PCI_EXP_LNKSTA_CLS_8_0GB:
4339 		hw->bus.speed = i40e_bus_speed_8000;
4340 		break;
4341 	default:
4342 		hw->bus.speed = i40e_bus_speed_unknown;
4343 		break;
4344 	}
4345 }
4346 
4347 /**
4348  * i40e_aq_debug_dump
4349  * @hw: pointer to the hardware structure
4350  * @cluster_id: specific cluster to dump
4351  * @table_id: table id within cluster
4352  * @start_index: index of line in the block to read
4353  * @buff_size: dump buffer size
4354  * @buff: dump buffer
4355  * @ret_buff_size: actual buffer size returned
4356  * @ret_next_table: next block to read
4357  * @ret_next_index: next index to read
4358  *
4359  * Dump internal FW/HW data for debug purposes.
4360  *
4361  **/
4362 i40e_status i40e_aq_debug_dump(struct i40e_hw *hw, u8 cluster_id,
4363 			       u8 table_id, u32 start_index, u16 buff_size,
4364 			       void *buff, u16 *ret_buff_size,
4365 			       u8 *ret_next_table, u32 *ret_next_index,
4366 			       struct i40e_asq_cmd_details *cmd_details)
4367 {
4368 	struct i40e_aq_desc desc;
4369 	struct i40e_aqc_debug_dump_internals *cmd =
4370 		(struct i40e_aqc_debug_dump_internals *)&desc.params.raw;
4371 	struct i40e_aqc_debug_dump_internals *resp =
4372 		(struct i40e_aqc_debug_dump_internals *)&desc.params.raw;
4373 	i40e_status status;
4374 
4375 	if (buff_size == 0 || !buff)
4376 		return I40E_ERR_PARAM;
4377 
4378 	i40e_fill_default_direct_cmd_desc(&desc,
4379 					  i40e_aqc_opc_debug_dump_internals);
4380 	/* Indirect Command */
4381 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
4382 	if (buff_size > I40E_AQ_LARGE_BUF)
4383 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
4384 
4385 	cmd->cluster_id = cluster_id;
4386 	cmd->table_id = table_id;
4387 	cmd->idx = cpu_to_le32(start_index);
4388 
4389 	desc.datalen = cpu_to_le16(buff_size);
4390 
4391 	status = i40e_asq_send_command(hw, &desc, buff, buff_size, cmd_details);
4392 	if (!status) {
4393 		if (ret_buff_size)
4394 			*ret_buff_size = le16_to_cpu(desc.datalen);
4395 		if (ret_next_table)
4396 			*ret_next_table = resp->table_id;
4397 		if (ret_next_index)
4398 			*ret_next_index = le32_to_cpu(resp->idx);
4399 	}
4400 
4401 	return status;
4402 }
4403 
4404 /**
4405  * i40e_read_bw_from_alt_ram
4406  * @hw: pointer to the hardware structure
4407  * @max_bw: pointer for max_bw read
4408  * @min_bw: pointer for min_bw read
4409  * @min_valid: pointer for bool that is true if min_bw is a valid value
4410  * @max_valid: pointer for bool that is true if max_bw is a valid value
4411  *
4412  * Read bw from the alternate ram for the given pf
4413  **/
4414 i40e_status i40e_read_bw_from_alt_ram(struct i40e_hw *hw,
4415 				      u32 *max_bw, u32 *min_bw,
4416 				      bool *min_valid, bool *max_valid)
4417 {
4418 	i40e_status status;
4419 	u32 max_bw_addr, min_bw_addr;
4420 
4421 	/* Calculate the address of the min/max bw registers */
4422 	max_bw_addr = I40E_ALT_STRUCT_FIRST_PF_OFFSET +
4423 		      I40E_ALT_STRUCT_MAX_BW_OFFSET +
4424 		      (I40E_ALT_STRUCT_DWORDS_PER_PF * hw->pf_id);
4425 	min_bw_addr = I40E_ALT_STRUCT_FIRST_PF_OFFSET +
4426 		      I40E_ALT_STRUCT_MIN_BW_OFFSET +
4427 		      (I40E_ALT_STRUCT_DWORDS_PER_PF * hw->pf_id);
4428 
4429 	/* Read the bandwidths from alt ram */
4430 	status = i40e_aq_alternate_read(hw, max_bw_addr, max_bw,
4431 					min_bw_addr, min_bw);
4432 
4433 	if (*min_bw & I40E_ALT_BW_VALID_MASK)
4434 		*min_valid = true;
4435 	else
4436 		*min_valid = false;
4437 
4438 	if (*max_bw & I40E_ALT_BW_VALID_MASK)
4439 		*max_valid = true;
4440 	else
4441 		*max_valid = false;
4442 
4443 	return status;
4444 }
4445 
4446 /**
4447  * i40e_aq_configure_partition_bw
4448  * @hw: pointer to the hardware structure
4449  * @bw_data: Buffer holding valid pfs and bw limits
4450  * @cmd_details: pointer to command details
4451  *
4452  * Configure partitions guaranteed/max bw
4453  **/
4454 i40e_status i40e_aq_configure_partition_bw(struct i40e_hw *hw,
4455 			struct i40e_aqc_configure_partition_bw_data *bw_data,
4456 			struct i40e_asq_cmd_details *cmd_details)
4457 {
4458 	i40e_status status;
4459 	struct i40e_aq_desc desc;
4460 	u16 bwd_size = sizeof(*bw_data);
4461 
4462 	i40e_fill_default_direct_cmd_desc(&desc,
4463 					  i40e_aqc_opc_configure_partition_bw);
4464 
4465 	/* Indirect command */
4466 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
4467 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_RD);
4468 
4469 	if (bwd_size > I40E_AQ_LARGE_BUF)
4470 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
4471 
4472 	desc.datalen = cpu_to_le16(bwd_size);
4473 
4474 	status = i40e_asq_send_command(hw, &desc, bw_data, bwd_size,
4475 				       cmd_details);
4476 
4477 	return status;
4478 }
4479 
4480 /**
4481  * i40e_read_phy_register_clause22
4482  * @hw: pointer to the HW structure
4483  * @reg: register address in the page
4484  * @phy_adr: PHY address on MDIO interface
4485  * @value: PHY register value
4486  *
4487  * Reads specified PHY register value
4488  **/
4489 i40e_status i40e_read_phy_register_clause22(struct i40e_hw *hw,
4490 					    u16 reg, u8 phy_addr, u16 *value)
4491 {
4492 	i40e_status status = I40E_ERR_TIMEOUT;
4493 	u8 port_num = (u8)hw->func_caps.mdio_port_num;
4494 	u32 command = 0;
4495 	u16 retry = 1000;
4496 
4497 	command = (reg << I40E_GLGEN_MSCA_DEVADD_SHIFT) |
4498 		  (phy_addr << I40E_GLGEN_MSCA_PHYADD_SHIFT) |
4499 		  (I40E_MDIO_CLAUSE22_OPCODE_READ_MASK) |
4500 		  (I40E_MDIO_CLAUSE22_STCODE_MASK) |
4501 		  (I40E_GLGEN_MSCA_MDICMD_MASK);
4502 	wr32(hw, I40E_GLGEN_MSCA(port_num), command);
4503 	do {
4504 		command = rd32(hw, I40E_GLGEN_MSCA(port_num));
4505 		if (!(command & I40E_GLGEN_MSCA_MDICMD_MASK)) {
4506 			status = 0;
4507 			break;
4508 		}
4509 		udelay(10);
4510 		retry--;
4511 	} while (retry);
4512 
4513 	if (status) {
4514 		i40e_debug(hw, I40E_DEBUG_PHY,
4515 			   "PHY: Can't write command to external PHY.\n");
4516 	} else {
4517 		command = rd32(hw, I40E_GLGEN_MSRWD(port_num));
4518 		*value = (command & I40E_GLGEN_MSRWD_MDIRDDATA_MASK) >>
4519 			 I40E_GLGEN_MSRWD_MDIRDDATA_SHIFT;
4520 	}
4521 
4522 	return status;
4523 }
4524 
4525 /**
4526  * i40e_write_phy_register_clause22
4527  * @hw: pointer to the HW structure
4528  * @reg: register address in the page
4529  * @phy_adr: PHY address on MDIO interface
4530  * @value: PHY register value
4531  *
4532  * Writes specified PHY register value
4533  **/
4534 i40e_status i40e_write_phy_register_clause22(struct i40e_hw *hw,
4535 					     u16 reg, u8 phy_addr, u16 value)
4536 {
4537 	i40e_status status = I40E_ERR_TIMEOUT;
4538 	u8 port_num = (u8)hw->func_caps.mdio_port_num;
4539 	u32 command  = 0;
4540 	u16 retry = 1000;
4541 
4542 	command = value << I40E_GLGEN_MSRWD_MDIWRDATA_SHIFT;
4543 	wr32(hw, I40E_GLGEN_MSRWD(port_num), command);
4544 
4545 	command = (reg << I40E_GLGEN_MSCA_DEVADD_SHIFT) |
4546 		  (phy_addr << I40E_GLGEN_MSCA_PHYADD_SHIFT) |
4547 		  (I40E_MDIO_CLAUSE22_OPCODE_WRITE_MASK) |
4548 		  (I40E_MDIO_CLAUSE22_STCODE_MASK) |
4549 		  (I40E_GLGEN_MSCA_MDICMD_MASK);
4550 
4551 	wr32(hw, I40E_GLGEN_MSCA(port_num), command);
4552 	do {
4553 		command = rd32(hw, I40E_GLGEN_MSCA(port_num));
4554 		if (!(command & I40E_GLGEN_MSCA_MDICMD_MASK)) {
4555 			status = 0;
4556 			break;
4557 		}
4558 		udelay(10);
4559 		retry--;
4560 	} while (retry);
4561 
4562 	return status;
4563 }
4564 
4565 /**
4566  * i40e_read_phy_register_clause45
4567  * @hw: pointer to the HW structure
4568  * @page: registers page number
4569  * @reg: register address in the page
4570  * @phy_adr: PHY address on MDIO interface
4571  * @value: PHY register value
4572  *
4573  * Reads specified PHY register value
4574  **/
4575 i40e_status i40e_read_phy_register_clause45(struct i40e_hw *hw,
4576 				u8 page, u16 reg, u8 phy_addr, u16 *value)
4577 {
4578 	i40e_status status = I40E_ERR_TIMEOUT;
4579 	u32 command = 0;
4580 	u16 retry = 1000;
4581 	u8 port_num = hw->func_caps.mdio_port_num;
4582 
4583 	command = (reg << I40E_GLGEN_MSCA_MDIADD_SHIFT) |
4584 		  (page << I40E_GLGEN_MSCA_DEVADD_SHIFT) |
4585 		  (phy_addr << I40E_GLGEN_MSCA_PHYADD_SHIFT) |
4586 		  (I40E_MDIO_CLAUSE45_OPCODE_ADDRESS_MASK) |
4587 		  (I40E_MDIO_CLAUSE45_STCODE_MASK) |
4588 		  (I40E_GLGEN_MSCA_MDICMD_MASK) |
4589 		  (I40E_GLGEN_MSCA_MDIINPROGEN_MASK);
4590 	wr32(hw, I40E_GLGEN_MSCA(port_num), command);
4591 	do {
4592 		command = rd32(hw, I40E_GLGEN_MSCA(port_num));
4593 		if (!(command & I40E_GLGEN_MSCA_MDICMD_MASK)) {
4594 			status = 0;
4595 			break;
4596 		}
4597 		usleep_range(10, 20);
4598 		retry--;
4599 	} while (retry);
4600 
4601 	if (status) {
4602 		i40e_debug(hw, I40E_DEBUG_PHY,
4603 			   "PHY: Can't write command to external PHY.\n");
4604 		goto phy_read_end;
4605 	}
4606 
4607 	command = (page << I40E_GLGEN_MSCA_DEVADD_SHIFT) |
4608 		  (phy_addr << I40E_GLGEN_MSCA_PHYADD_SHIFT) |
4609 		  (I40E_MDIO_CLAUSE45_OPCODE_READ_MASK) |
4610 		  (I40E_MDIO_CLAUSE45_STCODE_MASK) |
4611 		  (I40E_GLGEN_MSCA_MDICMD_MASK) |
4612 		  (I40E_GLGEN_MSCA_MDIINPROGEN_MASK);
4613 	status = I40E_ERR_TIMEOUT;
4614 	retry = 1000;
4615 	wr32(hw, I40E_GLGEN_MSCA(port_num), command);
4616 	do {
4617 		command = rd32(hw, I40E_GLGEN_MSCA(port_num));
4618 		if (!(command & I40E_GLGEN_MSCA_MDICMD_MASK)) {
4619 			status = 0;
4620 			break;
4621 		}
4622 		usleep_range(10, 20);
4623 		retry--;
4624 	} while (retry);
4625 
4626 	if (!status) {
4627 		command = rd32(hw, I40E_GLGEN_MSRWD(port_num));
4628 		*value = (command & I40E_GLGEN_MSRWD_MDIRDDATA_MASK) >>
4629 			 I40E_GLGEN_MSRWD_MDIRDDATA_SHIFT;
4630 	} else {
4631 		i40e_debug(hw, I40E_DEBUG_PHY,
4632 			   "PHY: Can't read register value from external PHY.\n");
4633 	}
4634 
4635 phy_read_end:
4636 	return status;
4637 }
4638 
4639 /**
4640  * i40e_write_phy_register_clause45
4641  * @hw: pointer to the HW structure
4642  * @page: registers page number
4643  * @reg: register address in the page
4644  * @phy_adr: PHY address on MDIO interface
4645  * @value: PHY register value
4646  *
4647  * Writes value to specified PHY register
4648  **/
4649 i40e_status i40e_write_phy_register_clause45(struct i40e_hw *hw,
4650 				u8 page, u16 reg, u8 phy_addr, u16 value)
4651 {
4652 	i40e_status status = I40E_ERR_TIMEOUT;
4653 	u32 command = 0;
4654 	u16 retry = 1000;
4655 	u8 port_num = hw->func_caps.mdio_port_num;
4656 
4657 	command = (reg << I40E_GLGEN_MSCA_MDIADD_SHIFT) |
4658 		  (page << I40E_GLGEN_MSCA_DEVADD_SHIFT) |
4659 		  (phy_addr << I40E_GLGEN_MSCA_PHYADD_SHIFT) |
4660 		  (I40E_MDIO_CLAUSE45_OPCODE_ADDRESS_MASK) |
4661 		  (I40E_MDIO_CLAUSE45_STCODE_MASK) |
4662 		  (I40E_GLGEN_MSCA_MDICMD_MASK) |
4663 		  (I40E_GLGEN_MSCA_MDIINPROGEN_MASK);
4664 	wr32(hw, I40E_GLGEN_MSCA(port_num), command);
4665 	do {
4666 		command = rd32(hw, I40E_GLGEN_MSCA(port_num));
4667 		if (!(command & I40E_GLGEN_MSCA_MDICMD_MASK)) {
4668 			status = 0;
4669 			break;
4670 		}
4671 		usleep_range(10, 20);
4672 		retry--;
4673 	} while (retry);
4674 	if (status) {
4675 		i40e_debug(hw, I40E_DEBUG_PHY,
4676 			   "PHY: Can't write command to external PHY.\n");
4677 		goto phy_write_end;
4678 	}
4679 
4680 	command = value << I40E_GLGEN_MSRWD_MDIWRDATA_SHIFT;
4681 	wr32(hw, I40E_GLGEN_MSRWD(port_num), command);
4682 
4683 	command = (page << I40E_GLGEN_MSCA_DEVADD_SHIFT) |
4684 		  (phy_addr << I40E_GLGEN_MSCA_PHYADD_SHIFT) |
4685 		  (I40E_MDIO_CLAUSE45_OPCODE_WRITE_MASK) |
4686 		  (I40E_MDIO_CLAUSE45_STCODE_MASK) |
4687 		  (I40E_GLGEN_MSCA_MDICMD_MASK) |
4688 		  (I40E_GLGEN_MSCA_MDIINPROGEN_MASK);
4689 	status = I40E_ERR_TIMEOUT;
4690 	retry = 1000;
4691 	wr32(hw, I40E_GLGEN_MSCA(port_num), command);
4692 	do {
4693 		command = rd32(hw, I40E_GLGEN_MSCA(port_num));
4694 		if (!(command & I40E_GLGEN_MSCA_MDICMD_MASK)) {
4695 			status = 0;
4696 			break;
4697 		}
4698 		usleep_range(10, 20);
4699 		retry--;
4700 	} while (retry);
4701 
4702 phy_write_end:
4703 	return status;
4704 }
4705 
4706 /**
4707  * i40e_write_phy_register
4708  * @hw: pointer to the HW structure
4709  * @page: registers page number
4710  * @reg: register address in the page
4711  * @phy_adr: PHY address on MDIO interface
4712  * @value: PHY register value
4713  *
4714  * Writes value to specified PHY register
4715  **/
4716 i40e_status i40e_write_phy_register(struct i40e_hw *hw,
4717 				    u8 page, u16 reg, u8 phy_addr, u16 value)
4718 {
4719 	i40e_status status;
4720 
4721 	switch (hw->device_id) {
4722 	case I40E_DEV_ID_1G_BASE_T_X722:
4723 		status = i40e_write_phy_register_clause22(hw, reg, phy_addr,
4724 							  value);
4725 		break;
4726 	case I40E_DEV_ID_10G_BASE_T:
4727 	case I40E_DEV_ID_10G_BASE_T4:
4728 	case I40E_DEV_ID_10G_BASE_T_X722:
4729 	case I40E_DEV_ID_25G_B:
4730 	case I40E_DEV_ID_25G_SFP28:
4731 		status = i40e_write_phy_register_clause45(hw, page, reg,
4732 							  phy_addr, value);
4733 		break;
4734 	default:
4735 		status = I40E_ERR_UNKNOWN_PHY;
4736 		break;
4737 	}
4738 
4739 	return status;
4740 }
4741 
4742 /**
4743  * i40e_read_phy_register
4744  * @hw: pointer to the HW structure
4745  * @page: registers page number
4746  * @reg: register address in the page
4747  * @phy_adr: PHY address on MDIO interface
4748  * @value: PHY register value
4749  *
4750  * Reads specified PHY register value
4751  **/
4752 i40e_status i40e_read_phy_register(struct i40e_hw *hw,
4753 				   u8 page, u16 reg, u8 phy_addr, u16 *value)
4754 {
4755 	i40e_status status;
4756 
4757 	switch (hw->device_id) {
4758 	case I40E_DEV_ID_1G_BASE_T_X722:
4759 		status = i40e_read_phy_register_clause22(hw, reg, phy_addr,
4760 							 value);
4761 		break;
4762 	case I40E_DEV_ID_10G_BASE_T:
4763 	case I40E_DEV_ID_10G_BASE_T4:
4764 	case I40E_DEV_ID_10G_BASE_T_X722:
4765 	case I40E_DEV_ID_25G_B:
4766 	case I40E_DEV_ID_25G_SFP28:
4767 		status = i40e_read_phy_register_clause45(hw, page, reg,
4768 							 phy_addr, value);
4769 		break;
4770 	default:
4771 		status = I40E_ERR_UNKNOWN_PHY;
4772 		break;
4773 	}
4774 
4775 	return status;
4776 }
4777 
4778 /**
4779  * i40e_get_phy_address
4780  * @hw: pointer to the HW structure
4781  * @dev_num: PHY port num that address we want
4782  * @phy_addr: Returned PHY address
4783  *
4784  * Gets PHY address for current port
4785  **/
4786 u8 i40e_get_phy_address(struct i40e_hw *hw, u8 dev_num)
4787 {
4788 	u8 port_num = hw->func_caps.mdio_port_num;
4789 	u32 reg_val = rd32(hw, I40E_GLGEN_MDIO_I2C_SEL(port_num));
4790 
4791 	return (u8)(reg_val >> ((dev_num + 1) * 5)) & 0x1f;
4792 }
4793 
4794 /**
4795  * i40e_blink_phy_led
4796  * @hw: pointer to the HW structure
4797  * @time: time how long led will blinks in secs
4798  * @interval: gap between LED on and off in msecs
4799  *
4800  * Blinks PHY link LED
4801  **/
4802 i40e_status i40e_blink_phy_link_led(struct i40e_hw *hw,
4803 				    u32 time, u32 interval)
4804 {
4805 	i40e_status status = 0;
4806 	u32 i;
4807 	u16 led_ctl;
4808 	u16 gpio_led_port;
4809 	u16 led_reg;
4810 	u16 led_addr = I40E_PHY_LED_PROV_REG_1;
4811 	u8 phy_addr = 0;
4812 	u8 port_num;
4813 
4814 	i = rd32(hw, I40E_PFGEN_PORTNUM);
4815 	port_num = (u8)(i & I40E_PFGEN_PORTNUM_PORT_NUM_MASK);
4816 	phy_addr = i40e_get_phy_address(hw, port_num);
4817 
4818 	for (gpio_led_port = 0; gpio_led_port < 3; gpio_led_port++,
4819 	     led_addr++) {
4820 		status = i40e_read_phy_register_clause45(hw,
4821 							 I40E_PHY_COM_REG_PAGE,
4822 							 led_addr, phy_addr,
4823 							 &led_reg);
4824 		if (status)
4825 			goto phy_blinking_end;
4826 		led_ctl = led_reg;
4827 		if (led_reg & I40E_PHY_LED_LINK_MODE_MASK) {
4828 			led_reg = 0;
4829 			status = i40e_write_phy_register_clause45(hw,
4830 							 I40E_PHY_COM_REG_PAGE,
4831 							 led_addr, phy_addr,
4832 							 led_reg);
4833 			if (status)
4834 				goto phy_blinking_end;
4835 			break;
4836 		}
4837 	}
4838 
4839 	if (time > 0 && interval > 0) {
4840 		for (i = 0; i < time * 1000; i += interval) {
4841 			status = i40e_read_phy_register_clause45(hw,
4842 						I40E_PHY_COM_REG_PAGE,
4843 						led_addr, phy_addr, &led_reg);
4844 			if (status)
4845 				goto restore_config;
4846 			if (led_reg & I40E_PHY_LED_MANUAL_ON)
4847 				led_reg = 0;
4848 			else
4849 				led_reg = I40E_PHY_LED_MANUAL_ON;
4850 			status = i40e_write_phy_register_clause45(hw,
4851 						I40E_PHY_COM_REG_PAGE,
4852 						led_addr, phy_addr, led_reg);
4853 			if (status)
4854 				goto restore_config;
4855 			msleep(interval);
4856 		}
4857 	}
4858 
4859 restore_config:
4860 	status = i40e_write_phy_register_clause45(hw,
4861 						  I40E_PHY_COM_REG_PAGE,
4862 						  led_addr, phy_addr, led_ctl);
4863 
4864 phy_blinking_end:
4865 	return status;
4866 }
4867 
4868 /**
4869  * i40e_led_get_reg - read LED register
4870  * @hw: pointer to the HW structure
4871  * @led_addr: LED register address
4872  * @reg_val: read register value
4873  **/
4874 static enum i40e_status_code i40e_led_get_reg(struct i40e_hw *hw, u16 led_addr,
4875 					      u32 *reg_val)
4876 {
4877 	enum i40e_status_code status;
4878 	u8 phy_addr = 0;
4879 	u8 port_num;
4880 	u32 i;
4881 
4882 	*reg_val = 0;
4883 	if (hw->flags & I40E_HW_FLAG_AQ_PHY_ACCESS_CAPABLE) {
4884 		status =
4885 		       i40e_aq_get_phy_register(hw,
4886 						I40E_AQ_PHY_REG_ACCESS_EXTERNAL,
4887 						I40E_PHY_COM_REG_PAGE,
4888 						I40E_PHY_LED_PROV_REG_1,
4889 						reg_val, NULL);
4890 	} else {
4891 		i = rd32(hw, I40E_PFGEN_PORTNUM);
4892 		port_num = (u8)(i & I40E_PFGEN_PORTNUM_PORT_NUM_MASK);
4893 		phy_addr = i40e_get_phy_address(hw, port_num);
4894 		status = i40e_read_phy_register_clause45(hw,
4895 							 I40E_PHY_COM_REG_PAGE,
4896 							 led_addr, phy_addr,
4897 							 (u16 *)reg_val);
4898 	}
4899 	return status;
4900 }
4901 
4902 /**
4903  * i40e_led_set_reg - write LED register
4904  * @hw: pointer to the HW structure
4905  * @led_addr: LED register address
4906  * @reg_val: register value to write
4907  **/
4908 static enum i40e_status_code i40e_led_set_reg(struct i40e_hw *hw, u16 led_addr,
4909 					      u32 reg_val)
4910 {
4911 	enum i40e_status_code status;
4912 	u8 phy_addr = 0;
4913 	u8 port_num;
4914 	u32 i;
4915 
4916 	if (hw->flags & I40E_HW_FLAG_AQ_PHY_ACCESS_CAPABLE) {
4917 		status =
4918 		       i40e_aq_set_phy_register(hw,
4919 						I40E_AQ_PHY_REG_ACCESS_EXTERNAL,
4920 						I40E_PHY_COM_REG_PAGE,
4921 						I40E_PHY_LED_PROV_REG_1,
4922 						reg_val, NULL);
4923 	} else {
4924 		i = rd32(hw, I40E_PFGEN_PORTNUM);
4925 		port_num = (u8)(i & I40E_PFGEN_PORTNUM_PORT_NUM_MASK);
4926 		phy_addr = i40e_get_phy_address(hw, port_num);
4927 		status = i40e_write_phy_register_clause45(hw,
4928 							  I40E_PHY_COM_REG_PAGE,
4929 							  led_addr, phy_addr,
4930 							  (u16)reg_val);
4931 	}
4932 
4933 	return status;
4934 }
4935 
4936 /**
4937  * i40e_led_get_phy - return current on/off mode
4938  * @hw: pointer to the hw struct
4939  * @led_addr: address of led register to use
4940  * @val: original value of register to use
4941  *
4942  **/
4943 i40e_status i40e_led_get_phy(struct i40e_hw *hw, u16 *led_addr,
4944 			     u16 *val)
4945 {
4946 	i40e_status status = 0;
4947 	u16 gpio_led_port;
4948 	u8 phy_addr = 0;
4949 	u16 reg_val;
4950 	u16 temp_addr;
4951 	u8 port_num;
4952 	u32 i;
4953 	u32 reg_val_aq;
4954 
4955 	if (hw->flags & I40E_HW_FLAG_AQ_PHY_ACCESS_CAPABLE) {
4956 		status =
4957 		      i40e_aq_get_phy_register(hw,
4958 					       I40E_AQ_PHY_REG_ACCESS_EXTERNAL,
4959 					       I40E_PHY_COM_REG_PAGE,
4960 					       I40E_PHY_LED_PROV_REG_1,
4961 					       &reg_val_aq, NULL);
4962 		if (status == I40E_SUCCESS)
4963 			*val = (u16)reg_val_aq;
4964 		return status;
4965 	}
4966 	temp_addr = I40E_PHY_LED_PROV_REG_1;
4967 	i = rd32(hw, I40E_PFGEN_PORTNUM);
4968 	port_num = (u8)(i & I40E_PFGEN_PORTNUM_PORT_NUM_MASK);
4969 	phy_addr = i40e_get_phy_address(hw, port_num);
4970 
4971 	for (gpio_led_port = 0; gpio_led_port < 3; gpio_led_port++,
4972 	     temp_addr++) {
4973 		status = i40e_read_phy_register_clause45(hw,
4974 							 I40E_PHY_COM_REG_PAGE,
4975 							 temp_addr, phy_addr,
4976 							 &reg_val);
4977 		if (status)
4978 			return status;
4979 		*val = reg_val;
4980 		if (reg_val & I40E_PHY_LED_LINK_MODE_MASK) {
4981 			*led_addr = temp_addr;
4982 			break;
4983 		}
4984 	}
4985 	return status;
4986 }
4987 
4988 /**
4989  * i40e_led_set_phy
4990  * @hw: pointer to the HW structure
4991  * @on: true or false
4992  * @mode: original val plus bit for set or ignore
4993  * Set led's on or off when controlled by the PHY
4994  *
4995  **/
4996 i40e_status i40e_led_set_phy(struct i40e_hw *hw, bool on,
4997 			     u16 led_addr, u32 mode)
4998 {
4999 	i40e_status status = 0;
5000 	u32 led_ctl = 0;
5001 	u32 led_reg = 0;
5002 
5003 	status = i40e_led_get_reg(hw, led_addr, &led_reg);
5004 	if (status)
5005 		return status;
5006 	led_ctl = led_reg;
5007 	if (led_reg & I40E_PHY_LED_LINK_MODE_MASK) {
5008 		led_reg = 0;
5009 		status = i40e_led_set_reg(hw, led_addr, led_reg);
5010 		if (status)
5011 			return status;
5012 	}
5013 	status = i40e_led_get_reg(hw, led_addr, &led_reg);
5014 	if (status)
5015 		goto restore_config;
5016 	if (on)
5017 		led_reg = I40E_PHY_LED_MANUAL_ON;
5018 	else
5019 		led_reg = 0;
5020 
5021 	status = i40e_led_set_reg(hw, led_addr, led_reg);
5022 	if (status)
5023 		goto restore_config;
5024 	if (mode & I40E_PHY_LED_MODE_ORIG) {
5025 		led_ctl = (mode & I40E_PHY_LED_MODE_MASK);
5026 		status = i40e_led_set_reg(hw, led_addr, led_ctl);
5027 	}
5028 	return status;
5029 
5030 restore_config:
5031 	status = i40e_led_set_reg(hw, led_addr, led_ctl);
5032 	return status;
5033 }
5034 
5035 /**
5036  * i40e_aq_rx_ctl_read_register - use FW to read from an Rx control register
5037  * @hw: pointer to the hw struct
5038  * @reg_addr: register address
5039  * @reg_val: ptr to register value
5040  * @cmd_details: pointer to command details structure or NULL
5041  *
5042  * Use the firmware to read the Rx control register,
5043  * especially useful if the Rx unit is under heavy pressure
5044  **/
5045 i40e_status i40e_aq_rx_ctl_read_register(struct i40e_hw *hw,
5046 				u32 reg_addr, u32 *reg_val,
5047 				struct i40e_asq_cmd_details *cmd_details)
5048 {
5049 	struct i40e_aq_desc desc;
5050 	struct i40e_aqc_rx_ctl_reg_read_write *cmd_resp =
5051 		(struct i40e_aqc_rx_ctl_reg_read_write *)&desc.params.raw;
5052 	i40e_status status;
5053 
5054 	if (!reg_val)
5055 		return I40E_ERR_PARAM;
5056 
5057 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_rx_ctl_reg_read);
5058 
5059 	cmd_resp->address = cpu_to_le32(reg_addr);
5060 
5061 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
5062 
5063 	if (status == 0)
5064 		*reg_val = le32_to_cpu(cmd_resp->value);
5065 
5066 	return status;
5067 }
5068 
5069 /**
5070  * i40e_read_rx_ctl - read from an Rx control register
5071  * @hw: pointer to the hw struct
5072  * @reg_addr: register address
5073  **/
5074 u32 i40e_read_rx_ctl(struct i40e_hw *hw, u32 reg_addr)
5075 {
5076 	i40e_status status = 0;
5077 	bool use_register;
5078 	int retry = 5;
5079 	u32 val = 0;
5080 
5081 	use_register = (((hw->aq.api_maj_ver == 1) &&
5082 			(hw->aq.api_min_ver < 5)) ||
5083 			(hw->mac.type == I40E_MAC_X722));
5084 	if (!use_register) {
5085 do_retry:
5086 		status = i40e_aq_rx_ctl_read_register(hw, reg_addr, &val, NULL);
5087 		if (hw->aq.asq_last_status == I40E_AQ_RC_EAGAIN && retry) {
5088 			usleep_range(1000, 2000);
5089 			retry--;
5090 			goto do_retry;
5091 		}
5092 	}
5093 
5094 	/* if the AQ access failed, try the old-fashioned way */
5095 	if (status || use_register)
5096 		val = rd32(hw, reg_addr);
5097 
5098 	return val;
5099 }
5100 
5101 /**
5102  * i40e_aq_rx_ctl_write_register
5103  * @hw: pointer to the hw struct
5104  * @reg_addr: register address
5105  * @reg_val: register value
5106  * @cmd_details: pointer to command details structure or NULL
5107  *
5108  * Use the firmware to write to an Rx control register,
5109  * especially useful if the Rx unit is under heavy pressure
5110  **/
5111 i40e_status i40e_aq_rx_ctl_write_register(struct i40e_hw *hw,
5112 				u32 reg_addr, u32 reg_val,
5113 				struct i40e_asq_cmd_details *cmd_details)
5114 {
5115 	struct i40e_aq_desc desc;
5116 	struct i40e_aqc_rx_ctl_reg_read_write *cmd =
5117 		(struct i40e_aqc_rx_ctl_reg_read_write *)&desc.params.raw;
5118 	i40e_status status;
5119 
5120 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_rx_ctl_reg_write);
5121 
5122 	cmd->address = cpu_to_le32(reg_addr);
5123 	cmd->value = cpu_to_le32(reg_val);
5124 
5125 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
5126 
5127 	return status;
5128 }
5129 
5130 /**
5131  * i40e_write_rx_ctl - write to an Rx control register
5132  * @hw: pointer to the hw struct
5133  * @reg_addr: register address
5134  * @reg_val: register value
5135  **/
5136 void i40e_write_rx_ctl(struct i40e_hw *hw, u32 reg_addr, u32 reg_val)
5137 {
5138 	i40e_status status = 0;
5139 	bool use_register;
5140 	int retry = 5;
5141 
5142 	use_register = (((hw->aq.api_maj_ver == 1) &&
5143 			(hw->aq.api_min_ver < 5)) ||
5144 			(hw->mac.type == I40E_MAC_X722));
5145 	if (!use_register) {
5146 do_retry:
5147 		status = i40e_aq_rx_ctl_write_register(hw, reg_addr,
5148 						       reg_val, NULL);
5149 		if (hw->aq.asq_last_status == I40E_AQ_RC_EAGAIN && retry) {
5150 			usleep_range(1000, 2000);
5151 			retry--;
5152 			goto do_retry;
5153 		}
5154 	}
5155 
5156 	/* if the AQ access failed, try the old-fashioned way */
5157 	if (status || use_register)
5158 		wr32(hw, reg_addr, reg_val);
5159 }
5160 
5161 /**
5162  * i40e_aq_set_phy_register
5163  * @hw: pointer to the hw struct
5164  * @phy_select: select which phy should be accessed
5165  * @dev_addr: PHY device address
5166  * @reg_addr: PHY register address
5167  * @reg_val: new register value
5168  * @cmd_details: pointer to command details structure or NULL
5169  *
5170  * Write the external PHY register.
5171  **/
5172 i40e_status i40e_aq_set_phy_register(struct i40e_hw *hw,
5173 				     u8 phy_select, u8 dev_addr,
5174 				     u32 reg_addr, u32 reg_val,
5175 				     struct i40e_asq_cmd_details *cmd_details)
5176 {
5177 	struct i40e_aq_desc desc;
5178 	struct i40e_aqc_phy_register_access *cmd =
5179 		(struct i40e_aqc_phy_register_access *)&desc.params.raw;
5180 	i40e_status status;
5181 
5182 	i40e_fill_default_direct_cmd_desc(&desc,
5183 					  i40e_aqc_opc_set_phy_register);
5184 
5185 	cmd->phy_interface = phy_select;
5186 	cmd->dev_address = dev_addr;
5187 	cmd->reg_address = cpu_to_le32(reg_addr);
5188 	cmd->reg_value = cpu_to_le32(reg_val);
5189 
5190 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
5191 
5192 	return status;
5193 }
5194 
5195 /**
5196  * i40e_aq_get_phy_register
5197  * @hw: pointer to the hw struct
5198  * @phy_select: select which phy should be accessed
5199  * @dev_addr: PHY device address
5200  * @reg_addr: PHY register address
5201  * @reg_val: read register value
5202  * @cmd_details: pointer to command details structure or NULL
5203  *
5204  * Read the external PHY register.
5205  **/
5206 i40e_status i40e_aq_get_phy_register(struct i40e_hw *hw,
5207 				     u8 phy_select, u8 dev_addr,
5208 				     u32 reg_addr, u32 *reg_val,
5209 				     struct i40e_asq_cmd_details *cmd_details)
5210 {
5211 	struct i40e_aq_desc desc;
5212 	struct i40e_aqc_phy_register_access *cmd =
5213 		(struct i40e_aqc_phy_register_access *)&desc.params.raw;
5214 	i40e_status status;
5215 
5216 	i40e_fill_default_direct_cmd_desc(&desc,
5217 					  i40e_aqc_opc_get_phy_register);
5218 
5219 	cmd->phy_interface = phy_select;
5220 	cmd->dev_address = dev_addr;
5221 	cmd->reg_address = cpu_to_le32(reg_addr);
5222 
5223 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
5224 	if (!status)
5225 		*reg_val = le32_to_cpu(cmd->reg_value);
5226 
5227 	return status;
5228 }
5229 
5230 /**
5231  * i40e_aq_write_ppp - Write pipeline personalization profile (ppp)
5232  * @hw: pointer to the hw struct
5233  * @buff: command buffer (size in bytes = buff_size)
5234  * @buff_size: buffer size in bytes
5235  * @track_id: package tracking id
5236  * @error_offset: returns error offset
5237  * @error_info: returns error information
5238  * @cmd_details: pointer to command details structure or NULL
5239  **/
5240 enum
5241 i40e_status_code i40e_aq_write_ppp(struct i40e_hw *hw, void *buff,
5242 				   u16 buff_size, u32 track_id,
5243 				   u32 *error_offset, u32 *error_info,
5244 				   struct i40e_asq_cmd_details *cmd_details)
5245 {
5246 	struct i40e_aq_desc desc;
5247 	struct i40e_aqc_write_personalization_profile *cmd =
5248 		(struct i40e_aqc_write_personalization_profile *)
5249 		&desc.params.raw;
5250 	struct i40e_aqc_write_ppp_resp *resp;
5251 	i40e_status status;
5252 
5253 	i40e_fill_default_direct_cmd_desc(&desc,
5254 					  i40e_aqc_opc_write_personalization_profile);
5255 
5256 	desc.flags |= cpu_to_le16(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD);
5257 	if (buff_size > I40E_AQ_LARGE_BUF)
5258 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
5259 
5260 	desc.datalen = cpu_to_le16(buff_size);
5261 
5262 	cmd->profile_track_id = cpu_to_le32(track_id);
5263 
5264 	status = i40e_asq_send_command(hw, &desc, buff, buff_size, cmd_details);
5265 	if (!status) {
5266 		resp = (struct i40e_aqc_write_ppp_resp *)&desc.params.raw;
5267 		if (error_offset)
5268 			*error_offset = le32_to_cpu(resp->error_offset);
5269 		if (error_info)
5270 			*error_info = le32_to_cpu(resp->error_info);
5271 	}
5272 
5273 	return status;
5274 }
5275 
5276 /**
5277  * i40e_aq_get_ppp_list - Read pipeline personalization profile (ppp)
5278  * @hw: pointer to the hw struct
5279  * @buff: command buffer (size in bytes = buff_size)
5280  * @buff_size: buffer size in bytes
5281  * @cmd_details: pointer to command details structure or NULL
5282  **/
5283 enum
5284 i40e_status_code i40e_aq_get_ppp_list(struct i40e_hw *hw, void *buff,
5285 				      u16 buff_size, u8 flags,
5286 				      struct i40e_asq_cmd_details *cmd_details)
5287 {
5288 	struct i40e_aq_desc desc;
5289 	struct i40e_aqc_get_applied_profiles *cmd =
5290 		(struct i40e_aqc_get_applied_profiles *)&desc.params.raw;
5291 	i40e_status status;
5292 
5293 	i40e_fill_default_direct_cmd_desc(&desc,
5294 					  i40e_aqc_opc_get_personalization_profile_list);
5295 
5296 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
5297 	if (buff_size > I40E_AQ_LARGE_BUF)
5298 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
5299 	desc.datalen = cpu_to_le16(buff_size);
5300 
5301 	cmd->flags = flags;
5302 
5303 	status = i40e_asq_send_command(hw, &desc, buff, buff_size, cmd_details);
5304 
5305 	return status;
5306 }
5307 
5308 /**
5309  * i40e_find_segment_in_package
5310  * @segment_type: the segment type to search for (i.e., SEGMENT_TYPE_I40E)
5311  * @pkg_hdr: pointer to the package header to be searched
5312  *
5313  * This function searches a package file for a particular segment type. On
5314  * success it returns a pointer to the segment header, otherwise it will
5315  * return NULL.
5316  **/
5317 struct i40e_generic_seg_header *
5318 i40e_find_segment_in_package(u32 segment_type,
5319 			     struct i40e_package_header *pkg_hdr)
5320 {
5321 	struct i40e_generic_seg_header *segment;
5322 	u32 i;
5323 
5324 	/* Search all package segments for the requested segment type */
5325 	for (i = 0; i < pkg_hdr->segment_count; i++) {
5326 		segment =
5327 			(struct i40e_generic_seg_header *)((u8 *)pkg_hdr +
5328 			 pkg_hdr->segment_offset[i]);
5329 
5330 		if (segment->type == segment_type)
5331 			return segment;
5332 	}
5333 
5334 	return NULL;
5335 }
5336 
5337 /**
5338  * i40e_write_profile
5339  * @hw: pointer to the hardware structure
5340  * @profile: pointer to the profile segment of the package to be downloaded
5341  * @track_id: package tracking id
5342  *
5343  * Handles the download of a complete package.
5344  */
5345 enum i40e_status_code
5346 i40e_write_profile(struct i40e_hw *hw, struct i40e_profile_segment *profile,
5347 		   u32 track_id)
5348 {
5349 	i40e_status status = 0;
5350 	struct i40e_section_table *sec_tbl;
5351 	struct i40e_profile_section_header *sec = NULL;
5352 	u32 dev_cnt;
5353 	u32 vendor_dev_id;
5354 	u32 *nvm;
5355 	u32 section_size = 0;
5356 	u32 offset = 0, info = 0;
5357 	u32 i;
5358 
5359 	if (!track_id) {
5360 		i40e_debug(hw, I40E_DEBUG_PACKAGE, "Track_id can't be 0.");
5361 		return I40E_NOT_SUPPORTED;
5362 	}
5363 
5364 	dev_cnt = profile->device_table_count;
5365 
5366 	for (i = 0; i < dev_cnt; i++) {
5367 		vendor_dev_id = profile->device_table[i].vendor_dev_id;
5368 		if ((vendor_dev_id >> 16) == PCI_VENDOR_ID_INTEL)
5369 			if (hw->device_id == (vendor_dev_id & 0xFFFF))
5370 				break;
5371 	}
5372 	if (i == dev_cnt) {
5373 		i40e_debug(hw, I40E_DEBUG_PACKAGE, "Device doesn't support PPP");
5374 		return I40E_ERR_DEVICE_NOT_SUPPORTED;
5375 	}
5376 
5377 	nvm = (u32 *)&profile->device_table[dev_cnt];
5378 	sec_tbl = (struct i40e_section_table *)&nvm[nvm[0] + 1];
5379 
5380 	for (i = 0; i < sec_tbl->section_count; i++) {
5381 		sec = (struct i40e_profile_section_header *)((u8 *)profile +
5382 					     sec_tbl->section_offset[i]);
5383 
5384 		/* Skip 'AQ', 'note' and 'name' sections */
5385 		if (sec->section.type != SECTION_TYPE_MMIO)
5386 			continue;
5387 
5388 		section_size = sec->section.size +
5389 			sizeof(struct i40e_profile_section_header);
5390 
5391 		/* Write profile */
5392 		status = i40e_aq_write_ppp(hw, (void *)sec, (u16)section_size,
5393 					   track_id, &offset, &info, NULL);
5394 		if (status) {
5395 			i40e_debug(hw, I40E_DEBUG_PACKAGE,
5396 				   "Failed to write profile: offset %d, info %d",
5397 				   offset, info);
5398 			break;
5399 		}
5400 	}
5401 	return status;
5402 }
5403 
5404 /**
5405  * i40e_add_pinfo_to_list
5406  * @hw: pointer to the hardware structure
5407  * @profile: pointer to the profile segment of the package
5408  * @profile_info_sec: buffer for information section
5409  * @track_id: package tracking id
5410  *
5411  * Register a profile to the list of loaded profiles.
5412  */
5413 enum i40e_status_code
5414 i40e_add_pinfo_to_list(struct i40e_hw *hw,
5415 		       struct i40e_profile_segment *profile,
5416 		       u8 *profile_info_sec, u32 track_id)
5417 {
5418 	i40e_status status = 0;
5419 	struct i40e_profile_section_header *sec = NULL;
5420 	struct i40e_profile_info *pinfo;
5421 	u32 offset = 0, info = 0;
5422 
5423 	sec = (struct i40e_profile_section_header *)profile_info_sec;
5424 	sec->tbl_size = 1;
5425 	sec->data_end = sizeof(struct i40e_profile_section_header) +
5426 			sizeof(struct i40e_profile_info);
5427 	sec->section.type = SECTION_TYPE_INFO;
5428 	sec->section.offset = sizeof(struct i40e_profile_section_header);
5429 	sec->section.size = sizeof(struct i40e_profile_info);
5430 	pinfo = (struct i40e_profile_info *)(profile_info_sec +
5431 					     sec->section.offset);
5432 	pinfo->track_id = track_id;
5433 	pinfo->version = profile->version;
5434 	pinfo->op = I40E_PPP_ADD_TRACKID;
5435 	memcpy(pinfo->name, profile->name, I40E_PPP_NAME_SIZE);
5436 
5437 	status = i40e_aq_write_ppp(hw, (void *)sec, sec->data_end,
5438 				   track_id, &offset, &info, NULL);
5439 
5440 	return status;
5441 }
5442 
5443 /**
5444  * i40e_aq_add_cloud_filters
5445  * @hw: pointer to the hardware structure
5446  * @seid: VSI seid to add cloud filters from
5447  * @filters: Buffer which contains the filters to be added
5448  * @filter_count: number of filters contained in the buffer
5449  *
5450  * Set the cloud filters for a given VSI.  The contents of the
5451  * i40e_aqc_cloud_filters_element_data are filled in by the caller
5452  * of the function.
5453  *
5454  **/
5455 enum i40e_status_code
5456 i40e_aq_add_cloud_filters(struct i40e_hw *hw, u16 seid,
5457 			  struct i40e_aqc_cloud_filters_element_data *filters,
5458 			  u8 filter_count)
5459 {
5460 	struct i40e_aq_desc desc;
5461 	struct i40e_aqc_add_remove_cloud_filters *cmd =
5462 	(struct i40e_aqc_add_remove_cloud_filters *)&desc.params.raw;
5463 	enum i40e_status_code status;
5464 	u16 buff_len;
5465 
5466 	i40e_fill_default_direct_cmd_desc(&desc,
5467 					  i40e_aqc_opc_add_cloud_filters);
5468 
5469 	buff_len = filter_count * sizeof(*filters);
5470 	desc.datalen = cpu_to_le16(buff_len);
5471 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
5472 	cmd->num_filters = filter_count;
5473 	cmd->seid = cpu_to_le16(seid);
5474 
5475 	status = i40e_asq_send_command(hw, &desc, filters, buff_len, NULL);
5476 
5477 	return status;
5478 }
5479 
5480 /**
5481  * i40e_aq_add_cloud_filters_bb
5482  * @hw: pointer to the hardware structure
5483  * @seid: VSI seid to add cloud filters from
5484  * @filters: Buffer which contains the filters in big buffer to be added
5485  * @filter_count: number of filters contained in the buffer
5486  *
5487  * Set the big buffer cloud filters for a given VSI.  The contents of the
5488  * i40e_aqc_cloud_filters_element_bb are filled in by the caller of the
5489  * function.
5490  *
5491  **/
5492 i40e_status
5493 i40e_aq_add_cloud_filters_bb(struct i40e_hw *hw, u16 seid,
5494 			     struct i40e_aqc_cloud_filters_element_bb *filters,
5495 			     u8 filter_count)
5496 {
5497 	struct i40e_aq_desc desc;
5498 	struct i40e_aqc_add_remove_cloud_filters *cmd =
5499 	(struct i40e_aqc_add_remove_cloud_filters *)&desc.params.raw;
5500 	i40e_status status;
5501 	u16 buff_len;
5502 	int i;
5503 
5504 	i40e_fill_default_direct_cmd_desc(&desc,
5505 					  i40e_aqc_opc_add_cloud_filters);
5506 
5507 	buff_len = filter_count * sizeof(*filters);
5508 	desc.datalen = cpu_to_le16(buff_len);
5509 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
5510 	cmd->num_filters = filter_count;
5511 	cmd->seid = cpu_to_le16(seid);
5512 	cmd->big_buffer_flag = I40E_AQC_ADD_CLOUD_CMD_BB;
5513 
5514 	for (i = 0; i < filter_count; i++) {
5515 		u16 tnl_type;
5516 		u32 ti;
5517 
5518 		tnl_type = (le16_to_cpu(filters[i].element.flags) &
5519 			   I40E_AQC_ADD_CLOUD_TNL_TYPE_MASK) >>
5520 			   I40E_AQC_ADD_CLOUD_TNL_TYPE_SHIFT;
5521 
5522 		/* Due to hardware eccentricities, the VNI for Geneve is shifted
5523 		 * one more byte further than normally used for Tenant ID in
5524 		 * other tunnel types.
5525 		 */
5526 		if (tnl_type == I40E_AQC_ADD_CLOUD_TNL_TYPE_GENEVE) {
5527 			ti = le32_to_cpu(filters[i].element.tenant_id);
5528 			filters[i].element.tenant_id = cpu_to_le32(ti << 8);
5529 		}
5530 	}
5531 
5532 	status = i40e_asq_send_command(hw, &desc, filters, buff_len, NULL);
5533 
5534 	return status;
5535 }
5536 
5537 /**
5538  * i40e_aq_rem_cloud_filters
5539  * @hw: pointer to the hardware structure
5540  * @seid: VSI seid to remove cloud filters from
5541  * @filters: Buffer which contains the filters to be removed
5542  * @filter_count: number of filters contained in the buffer
5543  *
5544  * Remove the cloud filters for a given VSI.  The contents of the
5545  * i40e_aqc_cloud_filters_element_data are filled in by the caller
5546  * of the function.
5547  *
5548  **/
5549 enum i40e_status_code
5550 i40e_aq_rem_cloud_filters(struct i40e_hw *hw, u16 seid,
5551 			  struct i40e_aqc_cloud_filters_element_data *filters,
5552 			  u8 filter_count)
5553 {
5554 	struct i40e_aq_desc desc;
5555 	struct i40e_aqc_add_remove_cloud_filters *cmd =
5556 	(struct i40e_aqc_add_remove_cloud_filters *)&desc.params.raw;
5557 	enum i40e_status_code status;
5558 	u16 buff_len;
5559 
5560 	i40e_fill_default_direct_cmd_desc(&desc,
5561 					  i40e_aqc_opc_remove_cloud_filters);
5562 
5563 	buff_len = filter_count * sizeof(*filters);
5564 	desc.datalen = cpu_to_le16(buff_len);
5565 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
5566 	cmd->num_filters = filter_count;
5567 	cmd->seid = cpu_to_le16(seid);
5568 
5569 	status = i40e_asq_send_command(hw, &desc, filters, buff_len, NULL);
5570 
5571 	return status;
5572 }
5573 
5574 /**
5575  * i40e_aq_rem_cloud_filters_bb
5576  * @hw: pointer to the hardware structure
5577  * @seid: VSI seid to remove cloud filters from
5578  * @filters: Buffer which contains the filters in big buffer to be removed
5579  * @filter_count: number of filters contained in the buffer
5580  *
5581  * Remove the big buffer cloud filters for a given VSI.  The contents of the
5582  * i40e_aqc_cloud_filters_element_bb are filled in by the caller of the
5583  * function.
5584  *
5585  **/
5586 i40e_status
5587 i40e_aq_rem_cloud_filters_bb(struct i40e_hw *hw, u16 seid,
5588 			     struct i40e_aqc_cloud_filters_element_bb *filters,
5589 			     u8 filter_count)
5590 {
5591 	struct i40e_aq_desc desc;
5592 	struct i40e_aqc_add_remove_cloud_filters *cmd =
5593 	(struct i40e_aqc_add_remove_cloud_filters *)&desc.params.raw;
5594 	i40e_status status;
5595 	u16 buff_len;
5596 	int i;
5597 
5598 	i40e_fill_default_direct_cmd_desc(&desc,
5599 					  i40e_aqc_opc_remove_cloud_filters);
5600 
5601 	buff_len = filter_count * sizeof(*filters);
5602 	desc.datalen = cpu_to_le16(buff_len);
5603 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
5604 	cmd->num_filters = filter_count;
5605 	cmd->seid = cpu_to_le16(seid);
5606 	cmd->big_buffer_flag = I40E_AQC_ADD_CLOUD_CMD_BB;
5607 
5608 	for (i = 0; i < filter_count; i++) {
5609 		u16 tnl_type;
5610 		u32 ti;
5611 
5612 		tnl_type = (le16_to_cpu(filters[i].element.flags) &
5613 			   I40E_AQC_ADD_CLOUD_TNL_TYPE_MASK) >>
5614 			   I40E_AQC_ADD_CLOUD_TNL_TYPE_SHIFT;
5615 
5616 		/* Due to hardware eccentricities, the VNI for Geneve is shifted
5617 		 * one more byte further than normally used for Tenant ID in
5618 		 * other tunnel types.
5619 		 */
5620 		if (tnl_type == I40E_AQC_ADD_CLOUD_TNL_TYPE_GENEVE) {
5621 			ti = le32_to_cpu(filters[i].element.tenant_id);
5622 			filters[i].element.tenant_id = cpu_to_le32(ti << 8);
5623 		}
5624 	}
5625 
5626 	status = i40e_asq_send_command(hw, &desc, filters, buff_len, NULL);
5627 
5628 	return status;
5629 }
5630