xref: /openbmc/linux/drivers/net/ethernet/intel/i40e/i40e_common.c (revision 28efb0046512e8a13ed9f9bdf0d68d10bbfbe9cf)
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 		media = I40E_MEDIA_TYPE_DA;
1184 		break;
1185 	case I40E_PHY_TYPE_1000BASE_KX:
1186 	case I40E_PHY_TYPE_10GBASE_KX4:
1187 	case I40E_PHY_TYPE_10GBASE_KR:
1188 	case I40E_PHY_TYPE_40GBASE_KR4:
1189 	case I40E_PHY_TYPE_20GBASE_KR2:
1190 	case I40E_PHY_TYPE_25GBASE_KR:
1191 		media = I40E_MEDIA_TYPE_BACKPLANE;
1192 		break;
1193 	case I40E_PHY_TYPE_SGMII:
1194 	case I40E_PHY_TYPE_XAUI:
1195 	case I40E_PHY_TYPE_XFI:
1196 	case I40E_PHY_TYPE_XLAUI:
1197 	case I40E_PHY_TYPE_XLPPI:
1198 	default:
1199 		media = I40E_MEDIA_TYPE_UNKNOWN;
1200 		break;
1201 	}
1202 
1203 	return media;
1204 }
1205 
1206 #define I40E_PF_RESET_WAIT_COUNT_A0	200
1207 #define I40E_PF_RESET_WAIT_COUNT	200
1208 /**
1209  * i40e_pf_reset - Reset the PF
1210  * @hw: pointer to the hardware structure
1211  *
1212  * Assuming someone else has triggered a global reset,
1213  * assure the global reset is complete and then reset the PF
1214  **/
1215 i40e_status i40e_pf_reset(struct i40e_hw *hw)
1216 {
1217 	u32 cnt = 0;
1218 	u32 cnt1 = 0;
1219 	u32 reg = 0;
1220 	u32 grst_del;
1221 
1222 	/* Poll for Global Reset steady state in case of recent GRST.
1223 	 * The grst delay value is in 100ms units, and we'll wait a
1224 	 * couple counts longer to be sure we don't just miss the end.
1225 	 */
1226 	grst_del = (rd32(hw, I40E_GLGEN_RSTCTL) &
1227 		    I40E_GLGEN_RSTCTL_GRSTDEL_MASK) >>
1228 		    I40E_GLGEN_RSTCTL_GRSTDEL_SHIFT;
1229 
1230 	/* It can take upto 15 secs for GRST steady state.
1231 	 * Bump it to 16 secs max to be safe.
1232 	 */
1233 	grst_del = grst_del * 20;
1234 
1235 	for (cnt = 0; cnt < grst_del; cnt++) {
1236 		reg = rd32(hw, I40E_GLGEN_RSTAT);
1237 		if (!(reg & I40E_GLGEN_RSTAT_DEVSTATE_MASK))
1238 			break;
1239 		msleep(100);
1240 	}
1241 	if (reg & I40E_GLGEN_RSTAT_DEVSTATE_MASK) {
1242 		hw_dbg(hw, "Global reset polling failed to complete.\n");
1243 		return I40E_ERR_RESET_FAILED;
1244 	}
1245 
1246 	/* Now Wait for the FW to be ready */
1247 	for (cnt1 = 0; cnt1 < I40E_PF_RESET_WAIT_COUNT; cnt1++) {
1248 		reg = rd32(hw, I40E_GLNVM_ULD);
1249 		reg &= (I40E_GLNVM_ULD_CONF_CORE_DONE_MASK |
1250 			I40E_GLNVM_ULD_CONF_GLOBAL_DONE_MASK);
1251 		if (reg == (I40E_GLNVM_ULD_CONF_CORE_DONE_MASK |
1252 			    I40E_GLNVM_ULD_CONF_GLOBAL_DONE_MASK)) {
1253 			hw_dbg(hw, "Core and Global modules ready %d\n", cnt1);
1254 			break;
1255 		}
1256 		usleep_range(10000, 20000);
1257 	}
1258 	if (!(reg & (I40E_GLNVM_ULD_CONF_CORE_DONE_MASK |
1259 		     I40E_GLNVM_ULD_CONF_GLOBAL_DONE_MASK))) {
1260 		hw_dbg(hw, "wait for FW Reset complete timedout\n");
1261 		hw_dbg(hw, "I40E_GLNVM_ULD = 0x%x\n", reg);
1262 		return I40E_ERR_RESET_FAILED;
1263 	}
1264 
1265 	/* If there was a Global Reset in progress when we got here,
1266 	 * we don't need to do the PF Reset
1267 	 */
1268 	if (!cnt) {
1269 		if (hw->revision_id == 0)
1270 			cnt = I40E_PF_RESET_WAIT_COUNT_A0;
1271 		else
1272 			cnt = I40E_PF_RESET_WAIT_COUNT;
1273 		reg = rd32(hw, I40E_PFGEN_CTRL);
1274 		wr32(hw, I40E_PFGEN_CTRL,
1275 		     (reg | I40E_PFGEN_CTRL_PFSWR_MASK));
1276 		for (; cnt; cnt--) {
1277 			reg = rd32(hw, I40E_PFGEN_CTRL);
1278 			if (!(reg & I40E_PFGEN_CTRL_PFSWR_MASK))
1279 				break;
1280 			usleep_range(1000, 2000);
1281 		}
1282 		if (reg & I40E_PFGEN_CTRL_PFSWR_MASK) {
1283 			hw_dbg(hw, "PF reset polling failed to complete.\n");
1284 			return I40E_ERR_RESET_FAILED;
1285 		}
1286 	}
1287 
1288 	i40e_clear_pxe_mode(hw);
1289 
1290 	return 0;
1291 }
1292 
1293 /**
1294  * i40e_clear_hw - clear out any left over hw state
1295  * @hw: pointer to the hw struct
1296  *
1297  * Clear queues and interrupts, typically called at init time,
1298  * but after the capabilities have been found so we know how many
1299  * queues and msix vectors have been allocated.
1300  **/
1301 void i40e_clear_hw(struct i40e_hw *hw)
1302 {
1303 	u32 num_queues, base_queue;
1304 	u32 num_pf_int;
1305 	u32 num_vf_int;
1306 	u32 num_vfs;
1307 	u32 i, j;
1308 	u32 val;
1309 	u32 eol = 0x7ff;
1310 
1311 	/* get number of interrupts, queues, and VFs */
1312 	val = rd32(hw, I40E_GLPCI_CNF2);
1313 	num_pf_int = (val & I40E_GLPCI_CNF2_MSI_X_PF_N_MASK) >>
1314 		     I40E_GLPCI_CNF2_MSI_X_PF_N_SHIFT;
1315 	num_vf_int = (val & I40E_GLPCI_CNF2_MSI_X_VF_N_MASK) >>
1316 		     I40E_GLPCI_CNF2_MSI_X_VF_N_SHIFT;
1317 
1318 	val = rd32(hw, I40E_PFLAN_QALLOC);
1319 	base_queue = (val & I40E_PFLAN_QALLOC_FIRSTQ_MASK) >>
1320 		     I40E_PFLAN_QALLOC_FIRSTQ_SHIFT;
1321 	j = (val & I40E_PFLAN_QALLOC_LASTQ_MASK) >>
1322 	    I40E_PFLAN_QALLOC_LASTQ_SHIFT;
1323 	if (val & I40E_PFLAN_QALLOC_VALID_MASK)
1324 		num_queues = (j - base_queue) + 1;
1325 	else
1326 		num_queues = 0;
1327 
1328 	val = rd32(hw, I40E_PF_VT_PFALLOC);
1329 	i = (val & I40E_PF_VT_PFALLOC_FIRSTVF_MASK) >>
1330 	    I40E_PF_VT_PFALLOC_FIRSTVF_SHIFT;
1331 	j = (val & I40E_PF_VT_PFALLOC_LASTVF_MASK) >>
1332 	    I40E_PF_VT_PFALLOC_LASTVF_SHIFT;
1333 	if (val & I40E_PF_VT_PFALLOC_VALID_MASK)
1334 		num_vfs = (j - i) + 1;
1335 	else
1336 		num_vfs = 0;
1337 
1338 	/* stop all the interrupts */
1339 	wr32(hw, I40E_PFINT_ICR0_ENA, 0);
1340 	val = 0x3 << I40E_PFINT_DYN_CTLN_ITR_INDX_SHIFT;
1341 	for (i = 0; i < num_pf_int - 2; i++)
1342 		wr32(hw, I40E_PFINT_DYN_CTLN(i), val);
1343 
1344 	/* Set the FIRSTQ_INDX field to 0x7FF in PFINT_LNKLSTx */
1345 	val = eol << I40E_PFINT_LNKLST0_FIRSTQ_INDX_SHIFT;
1346 	wr32(hw, I40E_PFINT_LNKLST0, val);
1347 	for (i = 0; i < num_pf_int - 2; i++)
1348 		wr32(hw, I40E_PFINT_LNKLSTN(i), val);
1349 	val = eol << I40E_VPINT_LNKLST0_FIRSTQ_INDX_SHIFT;
1350 	for (i = 0; i < num_vfs; i++)
1351 		wr32(hw, I40E_VPINT_LNKLST0(i), val);
1352 	for (i = 0; i < num_vf_int - 2; i++)
1353 		wr32(hw, I40E_VPINT_LNKLSTN(i), val);
1354 
1355 	/* warn the HW of the coming Tx disables */
1356 	for (i = 0; i < num_queues; i++) {
1357 		u32 abs_queue_idx = base_queue + i;
1358 		u32 reg_block = 0;
1359 
1360 		if (abs_queue_idx >= 128) {
1361 			reg_block = abs_queue_idx / 128;
1362 			abs_queue_idx %= 128;
1363 		}
1364 
1365 		val = rd32(hw, I40E_GLLAN_TXPRE_QDIS(reg_block));
1366 		val &= ~I40E_GLLAN_TXPRE_QDIS_QINDX_MASK;
1367 		val |= (abs_queue_idx << I40E_GLLAN_TXPRE_QDIS_QINDX_SHIFT);
1368 		val |= I40E_GLLAN_TXPRE_QDIS_SET_QDIS_MASK;
1369 
1370 		wr32(hw, I40E_GLLAN_TXPRE_QDIS(reg_block), val);
1371 	}
1372 	udelay(400);
1373 
1374 	/* stop all the queues */
1375 	for (i = 0; i < num_queues; i++) {
1376 		wr32(hw, I40E_QINT_TQCTL(i), 0);
1377 		wr32(hw, I40E_QTX_ENA(i), 0);
1378 		wr32(hw, I40E_QINT_RQCTL(i), 0);
1379 		wr32(hw, I40E_QRX_ENA(i), 0);
1380 	}
1381 
1382 	/* short wait for all queue disables to settle */
1383 	udelay(50);
1384 }
1385 
1386 /**
1387  * i40e_clear_pxe_mode - clear pxe operations mode
1388  * @hw: pointer to the hw struct
1389  *
1390  * Make sure all PXE mode settings are cleared, including things
1391  * like descriptor fetch/write-back mode.
1392  **/
1393 void i40e_clear_pxe_mode(struct i40e_hw *hw)
1394 {
1395 	u32 reg;
1396 
1397 	if (i40e_check_asq_alive(hw))
1398 		i40e_aq_clear_pxe_mode(hw, NULL);
1399 
1400 	/* Clear single descriptor fetch/write-back mode */
1401 	reg = rd32(hw, I40E_GLLAN_RCTL_0);
1402 
1403 	if (hw->revision_id == 0) {
1404 		/* As a work around clear PXE_MODE instead of setting it */
1405 		wr32(hw, I40E_GLLAN_RCTL_0, (reg & (~I40E_GLLAN_RCTL_0_PXE_MODE_MASK)));
1406 	} else {
1407 		wr32(hw, I40E_GLLAN_RCTL_0, (reg | I40E_GLLAN_RCTL_0_PXE_MODE_MASK));
1408 	}
1409 }
1410 
1411 /**
1412  * i40e_led_is_mine - helper to find matching led
1413  * @hw: pointer to the hw struct
1414  * @idx: index into GPIO registers
1415  *
1416  * returns: 0 if no match, otherwise the value of the GPIO_CTL register
1417  */
1418 static u32 i40e_led_is_mine(struct i40e_hw *hw, int idx)
1419 {
1420 	u32 gpio_val = 0;
1421 	u32 port;
1422 
1423 	if (!hw->func_caps.led[idx])
1424 		return 0;
1425 
1426 	gpio_val = rd32(hw, I40E_GLGEN_GPIO_CTL(idx));
1427 	port = (gpio_val & I40E_GLGEN_GPIO_CTL_PRT_NUM_MASK) >>
1428 		I40E_GLGEN_GPIO_CTL_PRT_NUM_SHIFT;
1429 
1430 	/* if PRT_NUM_NA is 1 then this LED is not port specific, OR
1431 	 * if it is not our port then ignore
1432 	 */
1433 	if ((gpio_val & I40E_GLGEN_GPIO_CTL_PRT_NUM_NA_MASK) ||
1434 	    (port != hw->port))
1435 		return 0;
1436 
1437 	return gpio_val;
1438 }
1439 
1440 #define I40E_COMBINED_ACTIVITY 0xA
1441 #define I40E_FILTER_ACTIVITY 0xE
1442 #define I40E_LINK_ACTIVITY 0xC
1443 #define I40E_MAC_ACTIVITY 0xD
1444 #define I40E_LED0 22
1445 
1446 /**
1447  * i40e_led_get - return current on/off mode
1448  * @hw: pointer to the hw struct
1449  *
1450  * The value returned is the 'mode' field as defined in the
1451  * GPIO register definitions: 0x0 = off, 0xf = on, and other
1452  * values are variations of possible behaviors relating to
1453  * blink, link, and wire.
1454  **/
1455 u32 i40e_led_get(struct i40e_hw *hw)
1456 {
1457 	u32 current_mode = 0;
1458 	u32 mode = 0;
1459 	int i;
1460 
1461 	/* as per the documentation GPIO 22-29 are the LED
1462 	 * GPIO pins named LED0..LED7
1463 	 */
1464 	for (i = I40E_LED0; i <= I40E_GLGEN_GPIO_CTL_MAX_INDEX; i++) {
1465 		u32 gpio_val = i40e_led_is_mine(hw, i);
1466 
1467 		if (!gpio_val)
1468 			continue;
1469 
1470 		/* ignore gpio LED src mode entries related to the activity
1471 		 * LEDs
1472 		 */
1473 		current_mode = ((gpio_val & I40E_GLGEN_GPIO_CTL_LED_MODE_MASK)
1474 				>> I40E_GLGEN_GPIO_CTL_LED_MODE_SHIFT);
1475 		switch (current_mode) {
1476 		case I40E_COMBINED_ACTIVITY:
1477 		case I40E_FILTER_ACTIVITY:
1478 		case I40E_MAC_ACTIVITY:
1479 			continue;
1480 		default:
1481 			break;
1482 		}
1483 
1484 		mode = (gpio_val & I40E_GLGEN_GPIO_CTL_LED_MODE_MASK) >>
1485 			I40E_GLGEN_GPIO_CTL_LED_MODE_SHIFT;
1486 		break;
1487 	}
1488 
1489 	return mode;
1490 }
1491 
1492 /**
1493  * i40e_led_set - set new on/off mode
1494  * @hw: pointer to the hw struct
1495  * @mode: 0=off, 0xf=on (else see manual for mode details)
1496  * @blink: true if the LED should blink when on, false if steady
1497  *
1498  * if this function is used to turn on the blink it should
1499  * be used to disable the blink when restoring the original state.
1500  **/
1501 void i40e_led_set(struct i40e_hw *hw, u32 mode, bool blink)
1502 {
1503 	u32 current_mode = 0;
1504 	int i;
1505 
1506 	if (mode & 0xfffffff0)
1507 		hw_dbg(hw, "invalid mode passed in %X\n", mode);
1508 
1509 	/* as per the documentation GPIO 22-29 are the LED
1510 	 * GPIO pins named LED0..LED7
1511 	 */
1512 	for (i = I40E_LED0; i <= I40E_GLGEN_GPIO_CTL_MAX_INDEX; i++) {
1513 		u32 gpio_val = i40e_led_is_mine(hw, i);
1514 
1515 		if (!gpio_val)
1516 			continue;
1517 
1518 		/* ignore gpio LED src mode entries related to the activity
1519 		 * LEDs
1520 		 */
1521 		current_mode = ((gpio_val & I40E_GLGEN_GPIO_CTL_LED_MODE_MASK)
1522 				>> I40E_GLGEN_GPIO_CTL_LED_MODE_SHIFT);
1523 		switch (current_mode) {
1524 		case I40E_COMBINED_ACTIVITY:
1525 		case I40E_FILTER_ACTIVITY:
1526 		case I40E_MAC_ACTIVITY:
1527 			continue;
1528 		default:
1529 			break;
1530 		}
1531 
1532 		gpio_val &= ~I40E_GLGEN_GPIO_CTL_LED_MODE_MASK;
1533 		/* this & is a bit of paranoia, but serves as a range check */
1534 		gpio_val |= ((mode << I40E_GLGEN_GPIO_CTL_LED_MODE_SHIFT) &
1535 			     I40E_GLGEN_GPIO_CTL_LED_MODE_MASK);
1536 
1537 		if (mode == I40E_LINK_ACTIVITY)
1538 			blink = false;
1539 
1540 		if (blink)
1541 			gpio_val |= BIT(I40E_GLGEN_GPIO_CTL_LED_BLINK_SHIFT);
1542 		else
1543 			gpio_val &= ~BIT(I40E_GLGEN_GPIO_CTL_LED_BLINK_SHIFT);
1544 
1545 		wr32(hw, I40E_GLGEN_GPIO_CTL(i), gpio_val);
1546 		break;
1547 	}
1548 }
1549 
1550 /* Admin command wrappers */
1551 
1552 /**
1553  * i40e_aq_get_phy_capabilities
1554  * @hw: pointer to the hw struct
1555  * @abilities: structure for PHY capabilities to be filled
1556  * @qualified_modules: report Qualified Modules
1557  * @report_init: report init capabilities (active are default)
1558  * @cmd_details: pointer to command details structure or NULL
1559  *
1560  * Returns the various PHY abilities supported on the Port.
1561  **/
1562 i40e_status i40e_aq_get_phy_capabilities(struct i40e_hw *hw,
1563 			bool qualified_modules, bool report_init,
1564 			struct i40e_aq_get_phy_abilities_resp *abilities,
1565 			struct i40e_asq_cmd_details *cmd_details)
1566 {
1567 	struct i40e_aq_desc desc;
1568 	i40e_status status;
1569 	u16 abilities_size = sizeof(struct i40e_aq_get_phy_abilities_resp);
1570 
1571 	if (!abilities)
1572 		return I40E_ERR_PARAM;
1573 
1574 	i40e_fill_default_direct_cmd_desc(&desc,
1575 					  i40e_aqc_opc_get_phy_abilities);
1576 
1577 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
1578 	if (abilities_size > I40E_AQ_LARGE_BUF)
1579 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
1580 
1581 	if (qualified_modules)
1582 		desc.params.external.param0 |=
1583 			cpu_to_le32(I40E_AQ_PHY_REPORT_QUALIFIED_MODULES);
1584 
1585 	if (report_init)
1586 		desc.params.external.param0 |=
1587 			cpu_to_le32(I40E_AQ_PHY_REPORT_INITIAL_VALUES);
1588 
1589 	status = i40e_asq_send_command(hw, &desc, abilities, abilities_size,
1590 				       cmd_details);
1591 
1592 	if (hw->aq.asq_last_status == I40E_AQ_RC_EIO)
1593 		status = I40E_ERR_UNKNOWN_PHY;
1594 
1595 	if (report_init) {
1596 		if (hw->mac.type ==  I40E_MAC_XL710 &&
1597 		    hw->aq.api_maj_ver == I40E_FW_API_VERSION_MAJOR &&
1598 		    hw->aq.api_min_ver >= I40E_MINOR_VER_GET_LINK_INFO_XL710)
1599 			status = i40e_aq_get_link_info(hw, true, NULL, NULL);
1600 	}
1601 
1602 	return status;
1603 }
1604 
1605 /**
1606  * i40e_aq_set_phy_config
1607  * @hw: pointer to the hw struct
1608  * @config: structure with PHY configuration to be set
1609  * @cmd_details: pointer to command details structure or NULL
1610  *
1611  * Set the various PHY configuration parameters
1612  * supported on the Port.One or more of the Set PHY config parameters may be
1613  * ignored in an MFP mode as the PF may not have the privilege to set some
1614  * of the PHY Config parameters. This status will be indicated by the
1615  * command response.
1616  **/
1617 enum i40e_status_code i40e_aq_set_phy_config(struct i40e_hw *hw,
1618 				struct i40e_aq_set_phy_config *config,
1619 				struct i40e_asq_cmd_details *cmd_details)
1620 {
1621 	struct i40e_aq_desc desc;
1622 	struct i40e_aq_set_phy_config *cmd =
1623 			(struct i40e_aq_set_phy_config *)&desc.params.raw;
1624 	enum i40e_status_code status;
1625 
1626 	if (!config)
1627 		return I40E_ERR_PARAM;
1628 
1629 	i40e_fill_default_direct_cmd_desc(&desc,
1630 					  i40e_aqc_opc_set_phy_config);
1631 
1632 	*cmd = *config;
1633 
1634 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1635 
1636 	return status;
1637 }
1638 
1639 /**
1640  * i40e_set_fc
1641  * @hw: pointer to the hw struct
1642  *
1643  * Set the requested flow control mode using set_phy_config.
1644  **/
1645 enum i40e_status_code i40e_set_fc(struct i40e_hw *hw, u8 *aq_failures,
1646 				  bool atomic_restart)
1647 {
1648 	enum i40e_fc_mode fc_mode = hw->fc.requested_mode;
1649 	struct i40e_aq_get_phy_abilities_resp abilities;
1650 	struct i40e_aq_set_phy_config config;
1651 	enum i40e_status_code status;
1652 	u8 pause_mask = 0x0;
1653 
1654 	*aq_failures = 0x0;
1655 
1656 	switch (fc_mode) {
1657 	case I40E_FC_FULL:
1658 		pause_mask |= I40E_AQ_PHY_FLAG_PAUSE_TX;
1659 		pause_mask |= I40E_AQ_PHY_FLAG_PAUSE_RX;
1660 		break;
1661 	case I40E_FC_RX_PAUSE:
1662 		pause_mask |= I40E_AQ_PHY_FLAG_PAUSE_RX;
1663 		break;
1664 	case I40E_FC_TX_PAUSE:
1665 		pause_mask |= I40E_AQ_PHY_FLAG_PAUSE_TX;
1666 		break;
1667 	default:
1668 		break;
1669 	}
1670 
1671 	/* Get the current phy config */
1672 	status = i40e_aq_get_phy_capabilities(hw, false, false, &abilities,
1673 					      NULL);
1674 	if (status) {
1675 		*aq_failures |= I40E_SET_FC_AQ_FAIL_GET;
1676 		return status;
1677 	}
1678 
1679 	memset(&config, 0, sizeof(struct i40e_aq_set_phy_config));
1680 	/* clear the old pause settings */
1681 	config.abilities = abilities.abilities & ~(I40E_AQ_PHY_FLAG_PAUSE_TX) &
1682 			   ~(I40E_AQ_PHY_FLAG_PAUSE_RX);
1683 	/* set the new abilities */
1684 	config.abilities |= pause_mask;
1685 	/* If the abilities have changed, then set the new config */
1686 	if (config.abilities != abilities.abilities) {
1687 		/* Auto restart link so settings take effect */
1688 		if (atomic_restart)
1689 			config.abilities |= I40E_AQ_PHY_ENABLE_ATOMIC_LINK;
1690 		/* Copy over all the old settings */
1691 		config.phy_type = abilities.phy_type;
1692 		config.phy_type_ext = abilities.phy_type_ext;
1693 		config.link_speed = abilities.link_speed;
1694 		config.eee_capability = abilities.eee_capability;
1695 		config.eeer = abilities.eeer_val;
1696 		config.low_power_ctrl = abilities.d3_lpan;
1697 		config.fec_config = abilities.fec_cfg_curr_mod_ext_info &
1698 				    I40E_AQ_PHY_FEC_CONFIG_MASK;
1699 		status = i40e_aq_set_phy_config(hw, &config, NULL);
1700 
1701 		if (status)
1702 			*aq_failures |= I40E_SET_FC_AQ_FAIL_SET;
1703 	}
1704 	/* Update the link info */
1705 	status = i40e_update_link_info(hw);
1706 	if (status) {
1707 		/* Wait a little bit (on 40G cards it sometimes takes a really
1708 		 * long time for link to come back from the atomic reset)
1709 		 * and try once more
1710 		 */
1711 		msleep(1000);
1712 		status = i40e_update_link_info(hw);
1713 	}
1714 	if (status)
1715 		*aq_failures |= I40E_SET_FC_AQ_FAIL_UPDATE;
1716 
1717 	return status;
1718 }
1719 
1720 /**
1721  * i40e_aq_clear_pxe_mode
1722  * @hw: pointer to the hw struct
1723  * @cmd_details: pointer to command details structure or NULL
1724  *
1725  * Tell the firmware that the driver is taking over from PXE
1726  **/
1727 i40e_status i40e_aq_clear_pxe_mode(struct i40e_hw *hw,
1728 				struct i40e_asq_cmd_details *cmd_details)
1729 {
1730 	i40e_status status;
1731 	struct i40e_aq_desc desc;
1732 	struct i40e_aqc_clear_pxe *cmd =
1733 		(struct i40e_aqc_clear_pxe *)&desc.params.raw;
1734 
1735 	i40e_fill_default_direct_cmd_desc(&desc,
1736 					  i40e_aqc_opc_clear_pxe_mode);
1737 
1738 	cmd->rx_cnt = 0x2;
1739 
1740 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1741 
1742 	wr32(hw, I40E_GLLAN_RCTL_0, 0x1);
1743 
1744 	return status;
1745 }
1746 
1747 /**
1748  * i40e_aq_set_link_restart_an
1749  * @hw: pointer to the hw struct
1750  * @enable_link: if true: enable link, if false: disable link
1751  * @cmd_details: pointer to command details structure or NULL
1752  *
1753  * Sets up the link and restarts the Auto-Negotiation over the link.
1754  **/
1755 i40e_status i40e_aq_set_link_restart_an(struct i40e_hw *hw,
1756 					bool enable_link,
1757 					struct i40e_asq_cmd_details *cmd_details)
1758 {
1759 	struct i40e_aq_desc desc;
1760 	struct i40e_aqc_set_link_restart_an *cmd =
1761 		(struct i40e_aqc_set_link_restart_an *)&desc.params.raw;
1762 	i40e_status status;
1763 
1764 	i40e_fill_default_direct_cmd_desc(&desc,
1765 					  i40e_aqc_opc_set_link_restart_an);
1766 
1767 	cmd->command = I40E_AQ_PHY_RESTART_AN;
1768 	if (enable_link)
1769 		cmd->command |= I40E_AQ_PHY_LINK_ENABLE;
1770 	else
1771 		cmd->command &= ~I40E_AQ_PHY_LINK_ENABLE;
1772 
1773 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1774 
1775 	return status;
1776 }
1777 
1778 /**
1779  * i40e_aq_get_link_info
1780  * @hw: pointer to the hw struct
1781  * @enable_lse: enable/disable LinkStatusEvent reporting
1782  * @link: pointer to link status structure - optional
1783  * @cmd_details: pointer to command details structure or NULL
1784  *
1785  * Returns the link status of the adapter.
1786  **/
1787 i40e_status i40e_aq_get_link_info(struct i40e_hw *hw,
1788 				bool enable_lse, struct i40e_link_status *link,
1789 				struct i40e_asq_cmd_details *cmd_details)
1790 {
1791 	struct i40e_aq_desc desc;
1792 	struct i40e_aqc_get_link_status *resp =
1793 		(struct i40e_aqc_get_link_status *)&desc.params.raw;
1794 	struct i40e_link_status *hw_link_info = &hw->phy.link_info;
1795 	i40e_status status;
1796 	bool tx_pause, rx_pause;
1797 	u16 command_flags;
1798 
1799 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_get_link_status);
1800 
1801 	if (enable_lse)
1802 		command_flags = I40E_AQ_LSE_ENABLE;
1803 	else
1804 		command_flags = I40E_AQ_LSE_DISABLE;
1805 	resp->command_flags = cpu_to_le16(command_flags);
1806 
1807 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1808 
1809 	if (status)
1810 		goto aq_get_link_info_exit;
1811 
1812 	/* save off old link status information */
1813 	hw->phy.link_info_old = *hw_link_info;
1814 
1815 	/* update link status */
1816 	hw_link_info->phy_type = (enum i40e_aq_phy_type)resp->phy_type;
1817 	hw->phy.media_type = i40e_get_media_type(hw);
1818 	hw_link_info->link_speed = (enum i40e_aq_link_speed)resp->link_speed;
1819 	hw_link_info->link_info = resp->link_info;
1820 	hw_link_info->an_info = resp->an_info;
1821 	hw_link_info->fec_info = resp->config & (I40E_AQ_CONFIG_FEC_KR_ENA |
1822 						 I40E_AQ_CONFIG_FEC_RS_ENA);
1823 	hw_link_info->ext_info = resp->ext_info;
1824 	hw_link_info->loopback = resp->loopback & I40E_AQ_LOOPBACK_MASK;
1825 	hw_link_info->max_frame_size = le16_to_cpu(resp->max_frame_size);
1826 	hw_link_info->pacing = resp->config & I40E_AQ_CONFIG_PACING_MASK;
1827 
1828 	/* update fc info */
1829 	tx_pause = !!(resp->an_info & I40E_AQ_LINK_PAUSE_TX);
1830 	rx_pause = !!(resp->an_info & I40E_AQ_LINK_PAUSE_RX);
1831 	if (tx_pause & rx_pause)
1832 		hw->fc.current_mode = I40E_FC_FULL;
1833 	else if (tx_pause)
1834 		hw->fc.current_mode = I40E_FC_TX_PAUSE;
1835 	else if (rx_pause)
1836 		hw->fc.current_mode = I40E_FC_RX_PAUSE;
1837 	else
1838 		hw->fc.current_mode = I40E_FC_NONE;
1839 
1840 	if (resp->config & I40E_AQ_CONFIG_CRC_ENA)
1841 		hw_link_info->crc_enable = true;
1842 	else
1843 		hw_link_info->crc_enable = false;
1844 
1845 	if (resp->command_flags & cpu_to_le16(I40E_AQ_LSE_IS_ENABLED))
1846 		hw_link_info->lse_enable = true;
1847 	else
1848 		hw_link_info->lse_enable = false;
1849 
1850 	if ((hw->mac.type == I40E_MAC_XL710) &&
1851 	    (hw->aq.fw_maj_ver < 4 || (hw->aq.fw_maj_ver == 4 &&
1852 	     hw->aq.fw_min_ver < 40)) && hw_link_info->phy_type == 0xE)
1853 		hw_link_info->phy_type = I40E_PHY_TYPE_10GBASE_SFPP_CU;
1854 
1855 	if (hw->aq.api_maj_ver == I40E_FW_API_VERSION_MAJOR &&
1856 	    hw->aq.api_min_ver >= 7) {
1857 		__le32 tmp;
1858 
1859 		memcpy(&tmp, resp->link_type, sizeof(tmp));
1860 		hw->phy.phy_types = le32_to_cpu(tmp);
1861 		hw->phy.phy_types |= ((u64)resp->link_type_ext << 32);
1862 	}
1863 
1864 	/* save link status information */
1865 	if (link)
1866 		*link = *hw_link_info;
1867 
1868 	/* flag cleared so helper functions don't call AQ again */
1869 	hw->phy.get_link_info = false;
1870 
1871 aq_get_link_info_exit:
1872 	return status;
1873 }
1874 
1875 /**
1876  * i40e_aq_set_phy_int_mask
1877  * @hw: pointer to the hw struct
1878  * @mask: interrupt mask to be set
1879  * @cmd_details: pointer to command details structure or NULL
1880  *
1881  * Set link interrupt mask.
1882  **/
1883 i40e_status i40e_aq_set_phy_int_mask(struct i40e_hw *hw,
1884 				     u16 mask,
1885 				     struct i40e_asq_cmd_details *cmd_details)
1886 {
1887 	struct i40e_aq_desc desc;
1888 	struct i40e_aqc_set_phy_int_mask *cmd =
1889 		(struct i40e_aqc_set_phy_int_mask *)&desc.params.raw;
1890 	i40e_status status;
1891 
1892 	i40e_fill_default_direct_cmd_desc(&desc,
1893 					  i40e_aqc_opc_set_phy_int_mask);
1894 
1895 	cmd->event_mask = cpu_to_le16(mask);
1896 
1897 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1898 
1899 	return status;
1900 }
1901 
1902 /**
1903  * i40e_aq_set_phy_debug
1904  * @hw: pointer to the hw struct
1905  * @cmd_flags: debug command flags
1906  * @cmd_details: pointer to command details structure or NULL
1907  *
1908  * Reset the external PHY.
1909  **/
1910 i40e_status i40e_aq_set_phy_debug(struct i40e_hw *hw, u8 cmd_flags,
1911 				  struct i40e_asq_cmd_details *cmd_details)
1912 {
1913 	struct i40e_aq_desc desc;
1914 	struct i40e_aqc_set_phy_debug *cmd =
1915 		(struct i40e_aqc_set_phy_debug *)&desc.params.raw;
1916 	i40e_status status;
1917 
1918 	i40e_fill_default_direct_cmd_desc(&desc,
1919 					  i40e_aqc_opc_set_phy_debug);
1920 
1921 	cmd->command_flags = cmd_flags;
1922 
1923 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1924 
1925 	return status;
1926 }
1927 
1928 /**
1929  * i40e_aq_add_vsi
1930  * @hw: pointer to the hw struct
1931  * @vsi_ctx: pointer to a vsi context struct
1932  * @cmd_details: pointer to command details structure or NULL
1933  *
1934  * Add a VSI context to the hardware.
1935 **/
1936 i40e_status i40e_aq_add_vsi(struct i40e_hw *hw,
1937 				struct i40e_vsi_context *vsi_ctx,
1938 				struct i40e_asq_cmd_details *cmd_details)
1939 {
1940 	struct i40e_aq_desc desc;
1941 	struct i40e_aqc_add_get_update_vsi *cmd =
1942 		(struct i40e_aqc_add_get_update_vsi *)&desc.params.raw;
1943 	struct i40e_aqc_add_get_update_vsi_completion *resp =
1944 		(struct i40e_aqc_add_get_update_vsi_completion *)
1945 		&desc.params.raw;
1946 	i40e_status status;
1947 
1948 	i40e_fill_default_direct_cmd_desc(&desc,
1949 					  i40e_aqc_opc_add_vsi);
1950 
1951 	cmd->uplink_seid = cpu_to_le16(vsi_ctx->uplink_seid);
1952 	cmd->connection_type = vsi_ctx->connection_type;
1953 	cmd->vf_id = vsi_ctx->vf_num;
1954 	cmd->vsi_flags = cpu_to_le16(vsi_ctx->flags);
1955 
1956 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
1957 
1958 	status = i40e_asq_send_command(hw, &desc, &vsi_ctx->info,
1959 				    sizeof(vsi_ctx->info), cmd_details);
1960 
1961 	if (status)
1962 		goto aq_add_vsi_exit;
1963 
1964 	vsi_ctx->seid = le16_to_cpu(resp->seid);
1965 	vsi_ctx->vsi_number = le16_to_cpu(resp->vsi_number);
1966 	vsi_ctx->vsis_allocated = le16_to_cpu(resp->vsi_used);
1967 	vsi_ctx->vsis_unallocated = le16_to_cpu(resp->vsi_free);
1968 
1969 aq_add_vsi_exit:
1970 	return status;
1971 }
1972 
1973 /**
1974  * i40e_aq_set_default_vsi
1975  * @hw: pointer to the hw struct
1976  * @seid: vsi number
1977  * @cmd_details: pointer to command details structure or NULL
1978  **/
1979 i40e_status i40e_aq_set_default_vsi(struct i40e_hw *hw,
1980 				    u16 seid,
1981 				    struct i40e_asq_cmd_details *cmd_details)
1982 {
1983 	struct i40e_aq_desc desc;
1984 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
1985 		(struct i40e_aqc_set_vsi_promiscuous_modes *)
1986 		&desc.params.raw;
1987 	i40e_status status;
1988 
1989 	i40e_fill_default_direct_cmd_desc(&desc,
1990 					  i40e_aqc_opc_set_vsi_promiscuous_modes);
1991 
1992 	cmd->promiscuous_flags = cpu_to_le16(I40E_AQC_SET_VSI_DEFAULT);
1993 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_DEFAULT);
1994 	cmd->seid = cpu_to_le16(seid);
1995 
1996 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1997 
1998 	return status;
1999 }
2000 
2001 /**
2002  * i40e_aq_clear_default_vsi
2003  * @hw: pointer to the hw struct
2004  * @seid: vsi number
2005  * @cmd_details: pointer to command details structure or NULL
2006  **/
2007 i40e_status i40e_aq_clear_default_vsi(struct i40e_hw *hw,
2008 				      u16 seid,
2009 				      struct i40e_asq_cmd_details *cmd_details)
2010 {
2011 	struct i40e_aq_desc desc;
2012 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
2013 		(struct i40e_aqc_set_vsi_promiscuous_modes *)
2014 		&desc.params.raw;
2015 	i40e_status status;
2016 
2017 	i40e_fill_default_direct_cmd_desc(&desc,
2018 					  i40e_aqc_opc_set_vsi_promiscuous_modes);
2019 
2020 	cmd->promiscuous_flags = cpu_to_le16(0);
2021 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_DEFAULT);
2022 	cmd->seid = cpu_to_le16(seid);
2023 
2024 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2025 
2026 	return status;
2027 }
2028 
2029 /**
2030  * i40e_aq_set_vsi_unicast_promiscuous
2031  * @hw: pointer to the hw struct
2032  * @seid: vsi number
2033  * @set: set unicast promiscuous enable/disable
2034  * @cmd_details: pointer to command details structure or NULL
2035  * @rx_only_promisc: flag to decide if egress traffic gets mirrored in promisc
2036  **/
2037 i40e_status i40e_aq_set_vsi_unicast_promiscuous(struct i40e_hw *hw,
2038 				u16 seid, bool set,
2039 				struct i40e_asq_cmd_details *cmd_details,
2040 				bool rx_only_promisc)
2041 {
2042 	struct i40e_aq_desc desc;
2043 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
2044 		(struct i40e_aqc_set_vsi_promiscuous_modes *)&desc.params.raw;
2045 	i40e_status status;
2046 	u16 flags = 0;
2047 
2048 	i40e_fill_default_direct_cmd_desc(&desc,
2049 					i40e_aqc_opc_set_vsi_promiscuous_modes);
2050 
2051 	if (set) {
2052 		flags |= I40E_AQC_SET_VSI_PROMISC_UNICAST;
2053 		if (rx_only_promisc &&
2054 		    (((hw->aq.api_maj_ver == 1) && (hw->aq.api_min_ver >= 5)) ||
2055 		     (hw->aq.api_maj_ver > 1)))
2056 			flags |= I40E_AQC_SET_VSI_PROMISC_TX;
2057 	}
2058 
2059 	cmd->promiscuous_flags = cpu_to_le16(flags);
2060 
2061 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_UNICAST);
2062 	if (((hw->aq.api_maj_ver >= 1) && (hw->aq.api_min_ver >= 5)) ||
2063 	    (hw->aq.api_maj_ver > 1))
2064 		cmd->valid_flags |= cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_TX);
2065 
2066 	cmd->seid = cpu_to_le16(seid);
2067 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2068 
2069 	return status;
2070 }
2071 
2072 /**
2073  * i40e_aq_set_vsi_multicast_promiscuous
2074  * @hw: pointer to the hw struct
2075  * @seid: vsi number
2076  * @set: set multicast promiscuous enable/disable
2077  * @cmd_details: pointer to command details structure or NULL
2078  **/
2079 i40e_status i40e_aq_set_vsi_multicast_promiscuous(struct i40e_hw *hw,
2080 				u16 seid, bool set, struct i40e_asq_cmd_details *cmd_details)
2081 {
2082 	struct i40e_aq_desc desc;
2083 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
2084 		(struct i40e_aqc_set_vsi_promiscuous_modes *)&desc.params.raw;
2085 	i40e_status status;
2086 	u16 flags = 0;
2087 
2088 	i40e_fill_default_direct_cmd_desc(&desc,
2089 					i40e_aqc_opc_set_vsi_promiscuous_modes);
2090 
2091 	if (set)
2092 		flags |= I40E_AQC_SET_VSI_PROMISC_MULTICAST;
2093 
2094 	cmd->promiscuous_flags = cpu_to_le16(flags);
2095 
2096 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_MULTICAST);
2097 
2098 	cmd->seid = cpu_to_le16(seid);
2099 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2100 
2101 	return status;
2102 }
2103 
2104 /**
2105  * i40e_aq_set_vsi_mc_promisc_on_vlan
2106  * @hw: pointer to the hw struct
2107  * @seid: vsi number
2108  * @enable: set MAC L2 layer unicast promiscuous enable/disable for a given VLAN
2109  * @vid: The VLAN tag filter - capture any multicast packet with this VLAN tag
2110  * @cmd_details: pointer to command details structure or NULL
2111  **/
2112 enum i40e_status_code i40e_aq_set_vsi_mc_promisc_on_vlan(struct i40e_hw *hw,
2113 							 u16 seid, bool enable,
2114 							 u16 vid,
2115 				struct i40e_asq_cmd_details *cmd_details)
2116 {
2117 	struct i40e_aq_desc desc;
2118 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
2119 		(struct i40e_aqc_set_vsi_promiscuous_modes *)&desc.params.raw;
2120 	enum i40e_status_code status;
2121 	u16 flags = 0;
2122 
2123 	i40e_fill_default_direct_cmd_desc(&desc,
2124 					  i40e_aqc_opc_set_vsi_promiscuous_modes);
2125 
2126 	if (enable)
2127 		flags |= I40E_AQC_SET_VSI_PROMISC_MULTICAST;
2128 
2129 	cmd->promiscuous_flags = cpu_to_le16(flags);
2130 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_MULTICAST);
2131 	cmd->seid = cpu_to_le16(seid);
2132 	cmd->vlan_tag = cpu_to_le16(vid | I40E_AQC_SET_VSI_VLAN_VALID);
2133 
2134 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2135 
2136 	return status;
2137 }
2138 
2139 /**
2140  * i40e_aq_set_vsi_uc_promisc_on_vlan
2141  * @hw: pointer to the hw struct
2142  * @seid: vsi number
2143  * @enable: set MAC L2 layer unicast promiscuous enable/disable for a given VLAN
2144  * @vid: The VLAN tag filter - capture any unicast packet with this VLAN tag
2145  * @cmd_details: pointer to command details structure or NULL
2146  **/
2147 enum i40e_status_code i40e_aq_set_vsi_uc_promisc_on_vlan(struct i40e_hw *hw,
2148 							 u16 seid, bool enable,
2149 							 u16 vid,
2150 				struct i40e_asq_cmd_details *cmd_details)
2151 {
2152 	struct i40e_aq_desc desc;
2153 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
2154 		(struct i40e_aqc_set_vsi_promiscuous_modes *)&desc.params.raw;
2155 	enum i40e_status_code status;
2156 	u16 flags = 0;
2157 
2158 	i40e_fill_default_direct_cmd_desc(&desc,
2159 					  i40e_aqc_opc_set_vsi_promiscuous_modes);
2160 
2161 	if (enable)
2162 		flags |= I40E_AQC_SET_VSI_PROMISC_UNICAST;
2163 
2164 	cmd->promiscuous_flags = cpu_to_le16(flags);
2165 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_UNICAST);
2166 	cmd->seid = cpu_to_le16(seid);
2167 	cmd->vlan_tag = cpu_to_le16(vid | I40E_AQC_SET_VSI_VLAN_VALID);
2168 
2169 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2170 
2171 	return status;
2172 }
2173 
2174 /**
2175  * i40e_aq_set_vsi_bc_promisc_on_vlan
2176  * @hw: pointer to the hw struct
2177  * @seid: vsi number
2178  * @enable: set broadcast promiscuous enable/disable for a given VLAN
2179  * @vid: The VLAN tag filter - capture any broadcast packet with this VLAN tag
2180  * @cmd_details: pointer to command details structure or NULL
2181  **/
2182 i40e_status i40e_aq_set_vsi_bc_promisc_on_vlan(struct i40e_hw *hw,
2183 				u16 seid, bool enable, u16 vid,
2184 				struct i40e_asq_cmd_details *cmd_details)
2185 {
2186 	struct i40e_aq_desc desc;
2187 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
2188 		(struct i40e_aqc_set_vsi_promiscuous_modes *)&desc.params.raw;
2189 	i40e_status status;
2190 	u16 flags = 0;
2191 
2192 	i40e_fill_default_direct_cmd_desc(&desc,
2193 					i40e_aqc_opc_set_vsi_promiscuous_modes);
2194 
2195 	if (enable)
2196 		flags |= I40E_AQC_SET_VSI_PROMISC_BROADCAST;
2197 
2198 	cmd->promiscuous_flags = cpu_to_le16(flags);
2199 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_BROADCAST);
2200 	cmd->seid = cpu_to_le16(seid);
2201 	cmd->vlan_tag = cpu_to_le16(vid | I40E_AQC_SET_VSI_VLAN_VALID);
2202 
2203 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2204 
2205 	return status;
2206 }
2207 
2208 /**
2209  * i40e_aq_set_vsi_broadcast
2210  * @hw: pointer to the hw struct
2211  * @seid: vsi number
2212  * @set_filter: true to set filter, false to clear filter
2213  * @cmd_details: pointer to command details structure or NULL
2214  *
2215  * Set or clear the broadcast promiscuous flag (filter) for a given VSI.
2216  **/
2217 i40e_status i40e_aq_set_vsi_broadcast(struct i40e_hw *hw,
2218 				u16 seid, bool set_filter,
2219 				struct i40e_asq_cmd_details *cmd_details)
2220 {
2221 	struct i40e_aq_desc desc;
2222 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
2223 		(struct i40e_aqc_set_vsi_promiscuous_modes *)&desc.params.raw;
2224 	i40e_status status;
2225 
2226 	i40e_fill_default_direct_cmd_desc(&desc,
2227 					i40e_aqc_opc_set_vsi_promiscuous_modes);
2228 
2229 	if (set_filter)
2230 		cmd->promiscuous_flags
2231 			    |= cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_BROADCAST);
2232 	else
2233 		cmd->promiscuous_flags
2234 			    &= cpu_to_le16(~I40E_AQC_SET_VSI_PROMISC_BROADCAST);
2235 
2236 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_BROADCAST);
2237 	cmd->seid = cpu_to_le16(seid);
2238 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2239 
2240 	return status;
2241 }
2242 
2243 /**
2244  * i40e_aq_set_vsi_vlan_promisc - control the VLAN promiscuous setting
2245  * @hw: pointer to the hw struct
2246  * @seid: vsi number
2247  * @enable: set MAC L2 layer unicast promiscuous enable/disable for a given VLAN
2248  * @cmd_details: pointer to command details structure or NULL
2249  **/
2250 i40e_status i40e_aq_set_vsi_vlan_promisc(struct i40e_hw *hw,
2251 				       u16 seid, bool enable,
2252 				       struct i40e_asq_cmd_details *cmd_details)
2253 {
2254 	struct i40e_aq_desc desc;
2255 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
2256 		(struct i40e_aqc_set_vsi_promiscuous_modes *)&desc.params.raw;
2257 	i40e_status status;
2258 	u16 flags = 0;
2259 
2260 	i40e_fill_default_direct_cmd_desc(&desc,
2261 					i40e_aqc_opc_set_vsi_promiscuous_modes);
2262 	if (enable)
2263 		flags |= I40E_AQC_SET_VSI_PROMISC_VLAN;
2264 
2265 	cmd->promiscuous_flags = cpu_to_le16(flags);
2266 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_VLAN);
2267 	cmd->seid = cpu_to_le16(seid);
2268 
2269 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2270 
2271 	return status;
2272 }
2273 
2274 /**
2275  * i40e_get_vsi_params - get VSI configuration info
2276  * @hw: pointer to the hw struct
2277  * @vsi_ctx: pointer to a vsi context struct
2278  * @cmd_details: pointer to command details structure or NULL
2279  **/
2280 i40e_status i40e_aq_get_vsi_params(struct i40e_hw *hw,
2281 				struct i40e_vsi_context *vsi_ctx,
2282 				struct i40e_asq_cmd_details *cmd_details)
2283 {
2284 	struct i40e_aq_desc desc;
2285 	struct i40e_aqc_add_get_update_vsi *cmd =
2286 		(struct i40e_aqc_add_get_update_vsi *)&desc.params.raw;
2287 	struct i40e_aqc_add_get_update_vsi_completion *resp =
2288 		(struct i40e_aqc_add_get_update_vsi_completion *)
2289 		&desc.params.raw;
2290 	i40e_status status;
2291 
2292 	i40e_fill_default_direct_cmd_desc(&desc,
2293 					  i40e_aqc_opc_get_vsi_parameters);
2294 
2295 	cmd->uplink_seid = cpu_to_le16(vsi_ctx->seid);
2296 
2297 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
2298 
2299 	status = i40e_asq_send_command(hw, &desc, &vsi_ctx->info,
2300 				    sizeof(vsi_ctx->info), NULL);
2301 
2302 	if (status)
2303 		goto aq_get_vsi_params_exit;
2304 
2305 	vsi_ctx->seid = le16_to_cpu(resp->seid);
2306 	vsi_ctx->vsi_number = le16_to_cpu(resp->vsi_number);
2307 	vsi_ctx->vsis_allocated = le16_to_cpu(resp->vsi_used);
2308 	vsi_ctx->vsis_unallocated = le16_to_cpu(resp->vsi_free);
2309 
2310 aq_get_vsi_params_exit:
2311 	return status;
2312 }
2313 
2314 /**
2315  * i40e_aq_update_vsi_params
2316  * @hw: pointer to the hw struct
2317  * @vsi_ctx: pointer to a vsi context struct
2318  * @cmd_details: pointer to command details structure or NULL
2319  *
2320  * Update a VSI context.
2321  **/
2322 i40e_status i40e_aq_update_vsi_params(struct i40e_hw *hw,
2323 				struct i40e_vsi_context *vsi_ctx,
2324 				struct i40e_asq_cmd_details *cmd_details)
2325 {
2326 	struct i40e_aq_desc desc;
2327 	struct i40e_aqc_add_get_update_vsi *cmd =
2328 		(struct i40e_aqc_add_get_update_vsi *)&desc.params.raw;
2329 	struct i40e_aqc_add_get_update_vsi_completion *resp =
2330 		(struct i40e_aqc_add_get_update_vsi_completion *)
2331 		&desc.params.raw;
2332 	i40e_status status;
2333 
2334 	i40e_fill_default_direct_cmd_desc(&desc,
2335 					  i40e_aqc_opc_update_vsi_parameters);
2336 	cmd->uplink_seid = cpu_to_le16(vsi_ctx->seid);
2337 
2338 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
2339 
2340 	status = i40e_asq_send_command(hw, &desc, &vsi_ctx->info,
2341 				    sizeof(vsi_ctx->info), cmd_details);
2342 
2343 	vsi_ctx->vsis_allocated = le16_to_cpu(resp->vsi_used);
2344 	vsi_ctx->vsis_unallocated = le16_to_cpu(resp->vsi_free);
2345 
2346 	return status;
2347 }
2348 
2349 /**
2350  * i40e_aq_get_switch_config
2351  * @hw: pointer to the hardware structure
2352  * @buf: pointer to the result buffer
2353  * @buf_size: length of input buffer
2354  * @start_seid: seid to start for the report, 0 == beginning
2355  * @cmd_details: pointer to command details structure or NULL
2356  *
2357  * Fill the buf with switch configuration returned from AdminQ command
2358  **/
2359 i40e_status i40e_aq_get_switch_config(struct i40e_hw *hw,
2360 				struct i40e_aqc_get_switch_config_resp *buf,
2361 				u16 buf_size, u16 *start_seid,
2362 				struct i40e_asq_cmd_details *cmd_details)
2363 {
2364 	struct i40e_aq_desc desc;
2365 	struct i40e_aqc_switch_seid *scfg =
2366 		(struct i40e_aqc_switch_seid *)&desc.params.raw;
2367 	i40e_status status;
2368 
2369 	i40e_fill_default_direct_cmd_desc(&desc,
2370 					  i40e_aqc_opc_get_switch_config);
2371 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
2372 	if (buf_size > I40E_AQ_LARGE_BUF)
2373 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
2374 	scfg->seid = cpu_to_le16(*start_seid);
2375 
2376 	status = i40e_asq_send_command(hw, &desc, buf, buf_size, cmd_details);
2377 	*start_seid = le16_to_cpu(scfg->seid);
2378 
2379 	return status;
2380 }
2381 
2382 /**
2383  * i40e_aq_set_switch_config
2384  * @hw: pointer to the hardware structure
2385  * @flags: bit flag values to set
2386  * @valid_flags: which bit flags to set
2387  * @cmd_details: pointer to command details structure or NULL
2388  *
2389  * Set switch configuration bits
2390  **/
2391 enum i40e_status_code i40e_aq_set_switch_config(struct i40e_hw *hw,
2392 						u16 flags,
2393 						u16 valid_flags,
2394 				struct i40e_asq_cmd_details *cmd_details)
2395 {
2396 	struct i40e_aq_desc desc;
2397 	struct i40e_aqc_set_switch_config *scfg =
2398 		(struct i40e_aqc_set_switch_config *)&desc.params.raw;
2399 	enum i40e_status_code status;
2400 
2401 	i40e_fill_default_direct_cmd_desc(&desc,
2402 					  i40e_aqc_opc_set_switch_config);
2403 	scfg->flags = cpu_to_le16(flags);
2404 	scfg->valid_flags = cpu_to_le16(valid_flags);
2405 	if (hw->flags & I40E_HW_FLAG_802_1AD_CAPABLE) {
2406 		scfg->switch_tag = cpu_to_le16(hw->switch_tag);
2407 		scfg->first_tag = cpu_to_le16(hw->first_tag);
2408 		scfg->second_tag = cpu_to_le16(hw->second_tag);
2409 	}
2410 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2411 
2412 	return status;
2413 }
2414 
2415 /**
2416  * i40e_aq_get_firmware_version
2417  * @hw: pointer to the hw struct
2418  * @fw_major_version: firmware major version
2419  * @fw_minor_version: firmware minor version
2420  * @fw_build: firmware build number
2421  * @api_major_version: major queue version
2422  * @api_minor_version: minor queue version
2423  * @cmd_details: pointer to command details structure or NULL
2424  *
2425  * Get the firmware version from the admin queue commands
2426  **/
2427 i40e_status i40e_aq_get_firmware_version(struct i40e_hw *hw,
2428 				u16 *fw_major_version, u16 *fw_minor_version,
2429 				u32 *fw_build,
2430 				u16 *api_major_version, u16 *api_minor_version,
2431 				struct i40e_asq_cmd_details *cmd_details)
2432 {
2433 	struct i40e_aq_desc desc;
2434 	struct i40e_aqc_get_version *resp =
2435 		(struct i40e_aqc_get_version *)&desc.params.raw;
2436 	i40e_status status;
2437 
2438 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_get_version);
2439 
2440 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2441 
2442 	if (!status) {
2443 		if (fw_major_version)
2444 			*fw_major_version = le16_to_cpu(resp->fw_major);
2445 		if (fw_minor_version)
2446 			*fw_minor_version = le16_to_cpu(resp->fw_minor);
2447 		if (fw_build)
2448 			*fw_build = le32_to_cpu(resp->fw_build);
2449 		if (api_major_version)
2450 			*api_major_version = le16_to_cpu(resp->api_major);
2451 		if (api_minor_version)
2452 			*api_minor_version = le16_to_cpu(resp->api_minor);
2453 	}
2454 
2455 	return status;
2456 }
2457 
2458 /**
2459  * i40e_aq_send_driver_version
2460  * @hw: pointer to the hw struct
2461  * @dv: driver's major, minor version
2462  * @cmd_details: pointer to command details structure or NULL
2463  *
2464  * Send the driver version to the firmware
2465  **/
2466 i40e_status i40e_aq_send_driver_version(struct i40e_hw *hw,
2467 				struct i40e_driver_version *dv,
2468 				struct i40e_asq_cmd_details *cmd_details)
2469 {
2470 	struct i40e_aq_desc desc;
2471 	struct i40e_aqc_driver_version *cmd =
2472 		(struct i40e_aqc_driver_version *)&desc.params.raw;
2473 	i40e_status status;
2474 	u16 len;
2475 
2476 	if (dv == NULL)
2477 		return I40E_ERR_PARAM;
2478 
2479 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_driver_version);
2480 
2481 	desc.flags |= cpu_to_le16(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD);
2482 	cmd->driver_major_ver = dv->major_version;
2483 	cmd->driver_minor_ver = dv->minor_version;
2484 	cmd->driver_build_ver = dv->build_version;
2485 	cmd->driver_subbuild_ver = dv->subbuild_version;
2486 
2487 	len = 0;
2488 	while (len < sizeof(dv->driver_string) &&
2489 	       (dv->driver_string[len] < 0x80) &&
2490 	       dv->driver_string[len])
2491 		len++;
2492 	status = i40e_asq_send_command(hw, &desc, dv->driver_string,
2493 				       len, cmd_details);
2494 
2495 	return status;
2496 }
2497 
2498 /**
2499  * i40e_get_link_status - get status of the HW network link
2500  * @hw: pointer to the hw struct
2501  * @link_up: pointer to bool (true/false = linkup/linkdown)
2502  *
2503  * Variable link_up true if link is up, false if link is down.
2504  * The variable link_up is invalid if returned value of status != 0
2505  *
2506  * Side effect: LinkStatusEvent reporting becomes enabled
2507  **/
2508 i40e_status i40e_get_link_status(struct i40e_hw *hw, bool *link_up)
2509 {
2510 	i40e_status status = 0;
2511 
2512 	if (hw->phy.get_link_info) {
2513 		status = i40e_update_link_info(hw);
2514 
2515 		if (status)
2516 			i40e_debug(hw, I40E_DEBUG_LINK, "get link failed: status %d\n",
2517 				   status);
2518 	}
2519 
2520 	*link_up = hw->phy.link_info.link_info & I40E_AQ_LINK_UP;
2521 
2522 	return status;
2523 }
2524 
2525 /**
2526  * i40e_updatelink_status - update status of the HW network link
2527  * @hw: pointer to the hw struct
2528  **/
2529 i40e_status i40e_update_link_info(struct i40e_hw *hw)
2530 {
2531 	struct i40e_aq_get_phy_abilities_resp abilities;
2532 	i40e_status status = 0;
2533 
2534 	status = i40e_aq_get_link_info(hw, true, NULL, NULL);
2535 	if (status)
2536 		return status;
2537 
2538 	/* extra checking needed to ensure link info to user is timely */
2539 	if ((hw->phy.link_info.link_info & I40E_AQ_MEDIA_AVAILABLE) &&
2540 	    ((hw->phy.link_info.link_info & I40E_AQ_LINK_UP) ||
2541 	     !(hw->phy.link_info_old.link_info & I40E_AQ_LINK_UP))) {
2542 		status = i40e_aq_get_phy_capabilities(hw, false, false,
2543 						      &abilities, NULL);
2544 		if (status)
2545 			return status;
2546 
2547 		hw->phy.link_info.req_fec_info =
2548 			abilities.fec_cfg_curr_mod_ext_info &
2549 			(I40E_AQ_REQUEST_FEC_KR | I40E_AQ_REQUEST_FEC_RS);
2550 
2551 		memcpy(hw->phy.link_info.module_type, &abilities.module_type,
2552 		       sizeof(hw->phy.link_info.module_type));
2553 	}
2554 
2555 	return status;
2556 }
2557 
2558 /**
2559  * i40e_aq_add_veb - Insert a VEB between the VSI and the MAC
2560  * @hw: pointer to the hw struct
2561  * @uplink_seid: the MAC or other gizmo SEID
2562  * @downlink_seid: the VSI SEID
2563  * @enabled_tc: bitmap of TCs to be enabled
2564  * @default_port: true for default port VSI, false for control port
2565  * @veb_seid: pointer to where to put the resulting VEB SEID
2566  * @enable_stats: true to turn on VEB stats
2567  * @cmd_details: pointer to command details structure or NULL
2568  *
2569  * This asks the FW to add a VEB between the uplink and downlink
2570  * elements.  If the uplink SEID is 0, this will be a floating VEB.
2571  **/
2572 i40e_status i40e_aq_add_veb(struct i40e_hw *hw, u16 uplink_seid,
2573 				u16 downlink_seid, u8 enabled_tc,
2574 				bool default_port, u16 *veb_seid,
2575 				bool enable_stats,
2576 				struct i40e_asq_cmd_details *cmd_details)
2577 {
2578 	struct i40e_aq_desc desc;
2579 	struct i40e_aqc_add_veb *cmd =
2580 		(struct i40e_aqc_add_veb *)&desc.params.raw;
2581 	struct i40e_aqc_add_veb_completion *resp =
2582 		(struct i40e_aqc_add_veb_completion *)&desc.params.raw;
2583 	i40e_status status;
2584 	u16 veb_flags = 0;
2585 
2586 	/* SEIDs need to either both be set or both be 0 for floating VEB */
2587 	if (!!uplink_seid != !!downlink_seid)
2588 		return I40E_ERR_PARAM;
2589 
2590 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_add_veb);
2591 
2592 	cmd->uplink_seid = cpu_to_le16(uplink_seid);
2593 	cmd->downlink_seid = cpu_to_le16(downlink_seid);
2594 	cmd->enable_tcs = enabled_tc;
2595 	if (!uplink_seid)
2596 		veb_flags |= I40E_AQC_ADD_VEB_FLOATING;
2597 	if (default_port)
2598 		veb_flags |= I40E_AQC_ADD_VEB_PORT_TYPE_DEFAULT;
2599 	else
2600 		veb_flags |= I40E_AQC_ADD_VEB_PORT_TYPE_DATA;
2601 
2602 	/* reverse logic here: set the bitflag to disable the stats */
2603 	if (!enable_stats)
2604 		veb_flags |= I40E_AQC_ADD_VEB_ENABLE_DISABLE_STATS;
2605 
2606 	cmd->veb_flags = cpu_to_le16(veb_flags);
2607 
2608 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2609 
2610 	if (!status && veb_seid)
2611 		*veb_seid = le16_to_cpu(resp->veb_seid);
2612 
2613 	return status;
2614 }
2615 
2616 /**
2617  * i40e_aq_get_veb_parameters - Retrieve VEB parameters
2618  * @hw: pointer to the hw struct
2619  * @veb_seid: the SEID of the VEB to query
2620  * @switch_id: the uplink switch id
2621  * @floating: set to true if the VEB is floating
2622  * @statistic_index: index of the stats counter block for this VEB
2623  * @vebs_used: number of VEB's used by function
2624  * @vebs_free: total VEB's not reserved by any function
2625  * @cmd_details: pointer to command details structure or NULL
2626  *
2627  * This retrieves the parameters for a particular VEB, specified by
2628  * uplink_seid, and returns them to the caller.
2629  **/
2630 i40e_status i40e_aq_get_veb_parameters(struct i40e_hw *hw,
2631 				u16 veb_seid, u16 *switch_id,
2632 				bool *floating, u16 *statistic_index,
2633 				u16 *vebs_used, u16 *vebs_free,
2634 				struct i40e_asq_cmd_details *cmd_details)
2635 {
2636 	struct i40e_aq_desc desc;
2637 	struct i40e_aqc_get_veb_parameters_completion *cmd_resp =
2638 		(struct i40e_aqc_get_veb_parameters_completion *)
2639 		&desc.params.raw;
2640 	i40e_status status;
2641 
2642 	if (veb_seid == 0)
2643 		return I40E_ERR_PARAM;
2644 
2645 	i40e_fill_default_direct_cmd_desc(&desc,
2646 					  i40e_aqc_opc_get_veb_parameters);
2647 	cmd_resp->seid = cpu_to_le16(veb_seid);
2648 
2649 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2650 	if (status)
2651 		goto get_veb_exit;
2652 
2653 	if (switch_id)
2654 		*switch_id = le16_to_cpu(cmd_resp->switch_id);
2655 	if (statistic_index)
2656 		*statistic_index = le16_to_cpu(cmd_resp->statistic_index);
2657 	if (vebs_used)
2658 		*vebs_used = le16_to_cpu(cmd_resp->vebs_used);
2659 	if (vebs_free)
2660 		*vebs_free = le16_to_cpu(cmd_resp->vebs_free);
2661 	if (floating) {
2662 		u16 flags = le16_to_cpu(cmd_resp->veb_flags);
2663 
2664 		if (flags & I40E_AQC_ADD_VEB_FLOATING)
2665 			*floating = true;
2666 		else
2667 			*floating = false;
2668 	}
2669 
2670 get_veb_exit:
2671 	return status;
2672 }
2673 
2674 /**
2675  * i40e_aq_add_macvlan
2676  * @hw: pointer to the hw struct
2677  * @seid: VSI for the mac address
2678  * @mv_list: list of macvlans to be added
2679  * @count: length of the list
2680  * @cmd_details: pointer to command details structure or NULL
2681  *
2682  * Add MAC/VLAN addresses to the HW filtering
2683  **/
2684 i40e_status i40e_aq_add_macvlan(struct i40e_hw *hw, u16 seid,
2685 			struct i40e_aqc_add_macvlan_element_data *mv_list,
2686 			u16 count, struct i40e_asq_cmd_details *cmd_details)
2687 {
2688 	struct i40e_aq_desc desc;
2689 	struct i40e_aqc_macvlan *cmd =
2690 		(struct i40e_aqc_macvlan *)&desc.params.raw;
2691 	i40e_status status;
2692 	u16 buf_size;
2693 	int i;
2694 
2695 	if (count == 0 || !mv_list || !hw)
2696 		return I40E_ERR_PARAM;
2697 
2698 	buf_size = count * sizeof(*mv_list);
2699 
2700 	/* prep the rest of the request */
2701 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_add_macvlan);
2702 	cmd->num_addresses = cpu_to_le16(count);
2703 	cmd->seid[0] = cpu_to_le16(I40E_AQC_MACVLAN_CMD_SEID_VALID | seid);
2704 	cmd->seid[1] = 0;
2705 	cmd->seid[2] = 0;
2706 
2707 	for (i = 0; i < count; i++)
2708 		if (is_multicast_ether_addr(mv_list[i].mac_addr))
2709 			mv_list[i].flags |=
2710 			       cpu_to_le16(I40E_AQC_MACVLAN_ADD_USE_SHARED_MAC);
2711 
2712 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
2713 	if (buf_size > I40E_AQ_LARGE_BUF)
2714 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
2715 
2716 	status = i40e_asq_send_command(hw, &desc, mv_list, buf_size,
2717 				       cmd_details);
2718 
2719 	return status;
2720 }
2721 
2722 /**
2723  * i40e_aq_remove_macvlan
2724  * @hw: pointer to the hw struct
2725  * @seid: VSI for the mac address
2726  * @mv_list: list of macvlans to be removed
2727  * @count: length of the list
2728  * @cmd_details: pointer to command details structure or NULL
2729  *
2730  * Remove MAC/VLAN addresses from the HW filtering
2731  **/
2732 i40e_status i40e_aq_remove_macvlan(struct i40e_hw *hw, u16 seid,
2733 			struct i40e_aqc_remove_macvlan_element_data *mv_list,
2734 			u16 count, struct i40e_asq_cmd_details *cmd_details)
2735 {
2736 	struct i40e_aq_desc desc;
2737 	struct i40e_aqc_macvlan *cmd =
2738 		(struct i40e_aqc_macvlan *)&desc.params.raw;
2739 	i40e_status status;
2740 	u16 buf_size;
2741 
2742 	if (count == 0 || !mv_list || !hw)
2743 		return I40E_ERR_PARAM;
2744 
2745 	buf_size = count * sizeof(*mv_list);
2746 
2747 	/* prep the rest of the request */
2748 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_remove_macvlan);
2749 	cmd->num_addresses = cpu_to_le16(count);
2750 	cmd->seid[0] = cpu_to_le16(I40E_AQC_MACVLAN_CMD_SEID_VALID | seid);
2751 	cmd->seid[1] = 0;
2752 	cmd->seid[2] = 0;
2753 
2754 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
2755 	if (buf_size > I40E_AQ_LARGE_BUF)
2756 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
2757 
2758 	status = i40e_asq_send_command(hw, &desc, mv_list, buf_size,
2759 				       cmd_details);
2760 
2761 	return status;
2762 }
2763 
2764 /**
2765  * i40e_mirrorrule_op - Internal helper function to add/delete mirror rule
2766  * @hw: pointer to the hw struct
2767  * @opcode: AQ opcode for add or delete mirror rule
2768  * @sw_seid: Switch SEID (to which rule refers)
2769  * @rule_type: Rule Type (ingress/egress/VLAN)
2770  * @id: Destination VSI SEID or Rule ID
2771  * @count: length of the list
2772  * @mr_list: list of mirrored VSI SEIDs or VLAN IDs
2773  * @cmd_details: pointer to command details structure or NULL
2774  * @rule_id: Rule ID returned from FW
2775  * @rule_used: Number of rules used in internal switch
2776  * @rule_free: Number of rules free in internal switch
2777  *
2778  * Add/Delete a mirror rule to a specific switch. Mirror rules are supported for
2779  * VEBs/VEPA elements only
2780  **/
2781 static i40e_status i40e_mirrorrule_op(struct i40e_hw *hw,
2782 				u16 opcode, u16 sw_seid, u16 rule_type, u16 id,
2783 				u16 count, __le16 *mr_list,
2784 				struct i40e_asq_cmd_details *cmd_details,
2785 				u16 *rule_id, u16 *rules_used, u16 *rules_free)
2786 {
2787 	struct i40e_aq_desc desc;
2788 	struct i40e_aqc_add_delete_mirror_rule *cmd =
2789 		(struct i40e_aqc_add_delete_mirror_rule *)&desc.params.raw;
2790 	struct i40e_aqc_add_delete_mirror_rule_completion *resp =
2791 	(struct i40e_aqc_add_delete_mirror_rule_completion *)&desc.params.raw;
2792 	i40e_status status;
2793 	u16 buf_size;
2794 
2795 	buf_size = count * sizeof(*mr_list);
2796 
2797 	/* prep the rest of the request */
2798 	i40e_fill_default_direct_cmd_desc(&desc, opcode);
2799 	cmd->seid = cpu_to_le16(sw_seid);
2800 	cmd->rule_type = cpu_to_le16(rule_type &
2801 				     I40E_AQC_MIRROR_RULE_TYPE_MASK);
2802 	cmd->num_entries = cpu_to_le16(count);
2803 	/* Dest VSI for add, rule_id for delete */
2804 	cmd->destination = cpu_to_le16(id);
2805 	if (mr_list) {
2806 		desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF |
2807 						I40E_AQ_FLAG_RD));
2808 		if (buf_size > I40E_AQ_LARGE_BUF)
2809 			desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
2810 	}
2811 
2812 	status = i40e_asq_send_command(hw, &desc, mr_list, buf_size,
2813 				       cmd_details);
2814 	if (!status ||
2815 	    hw->aq.asq_last_status == I40E_AQ_RC_ENOSPC) {
2816 		if (rule_id)
2817 			*rule_id = le16_to_cpu(resp->rule_id);
2818 		if (rules_used)
2819 			*rules_used = le16_to_cpu(resp->mirror_rules_used);
2820 		if (rules_free)
2821 			*rules_free = le16_to_cpu(resp->mirror_rules_free);
2822 	}
2823 	return status;
2824 }
2825 
2826 /**
2827  * i40e_aq_add_mirrorrule - add a mirror rule
2828  * @hw: pointer to the hw struct
2829  * @sw_seid: Switch SEID (to which rule refers)
2830  * @rule_type: Rule Type (ingress/egress/VLAN)
2831  * @dest_vsi: SEID of VSI to which packets will be mirrored
2832  * @count: length of the list
2833  * @mr_list: list of mirrored VSI SEIDs or VLAN IDs
2834  * @cmd_details: pointer to command details structure or NULL
2835  * @rule_id: Rule ID returned from FW
2836  * @rule_used: Number of rules used in internal switch
2837  * @rule_free: Number of rules free in internal switch
2838  *
2839  * Add mirror rule. Mirror rules are supported for VEBs or VEPA elements only
2840  **/
2841 i40e_status i40e_aq_add_mirrorrule(struct i40e_hw *hw, u16 sw_seid,
2842 			u16 rule_type, u16 dest_vsi, u16 count, __le16 *mr_list,
2843 			struct i40e_asq_cmd_details *cmd_details,
2844 			u16 *rule_id, u16 *rules_used, u16 *rules_free)
2845 {
2846 	if (!(rule_type == I40E_AQC_MIRROR_RULE_TYPE_ALL_INGRESS ||
2847 	    rule_type == I40E_AQC_MIRROR_RULE_TYPE_ALL_EGRESS)) {
2848 		if (count == 0 || !mr_list)
2849 			return I40E_ERR_PARAM;
2850 	}
2851 
2852 	return i40e_mirrorrule_op(hw, i40e_aqc_opc_add_mirror_rule, sw_seid,
2853 				  rule_type, dest_vsi, count, mr_list,
2854 				  cmd_details, rule_id, rules_used, rules_free);
2855 }
2856 
2857 /**
2858  * i40e_aq_delete_mirrorrule - delete a mirror rule
2859  * @hw: pointer to the hw struct
2860  * @sw_seid: Switch SEID (to which rule refers)
2861  * @rule_type: Rule Type (ingress/egress/VLAN)
2862  * @count: length of the list
2863  * @rule_id: Rule ID that is returned in the receive desc as part of
2864  *		add_mirrorrule.
2865  * @mr_list: list of mirrored VLAN IDs to be removed
2866  * @cmd_details: pointer to command details structure or NULL
2867  * @rule_used: Number of rules used in internal switch
2868  * @rule_free: Number of rules free in internal switch
2869  *
2870  * Delete a mirror rule. Mirror rules are supported for VEBs/VEPA elements only
2871  **/
2872 i40e_status i40e_aq_delete_mirrorrule(struct i40e_hw *hw, u16 sw_seid,
2873 			u16 rule_type, u16 rule_id, u16 count, __le16 *mr_list,
2874 			struct i40e_asq_cmd_details *cmd_details,
2875 			u16 *rules_used, u16 *rules_free)
2876 {
2877 	/* Rule ID has to be valid except rule_type: INGRESS VLAN mirroring */
2878 	if (rule_type == I40E_AQC_MIRROR_RULE_TYPE_VLAN) {
2879 		/* count and mr_list shall be valid for rule_type INGRESS VLAN
2880 		 * mirroring. For other rule_type, count and rule_type should
2881 		 * not matter.
2882 		 */
2883 		if (count == 0 || !mr_list)
2884 			return I40E_ERR_PARAM;
2885 	}
2886 
2887 	return i40e_mirrorrule_op(hw, i40e_aqc_opc_delete_mirror_rule, sw_seid,
2888 				  rule_type, rule_id, count, mr_list,
2889 				  cmd_details, NULL, rules_used, rules_free);
2890 }
2891 
2892 /**
2893  * i40e_aq_send_msg_to_vf
2894  * @hw: pointer to the hardware structure
2895  * @vfid: VF id to send msg
2896  * @v_opcode: opcodes for VF-PF communication
2897  * @v_retval: return error code
2898  * @msg: pointer to the msg buffer
2899  * @msglen: msg length
2900  * @cmd_details: pointer to command details
2901  *
2902  * send msg to vf
2903  **/
2904 i40e_status i40e_aq_send_msg_to_vf(struct i40e_hw *hw, u16 vfid,
2905 				u32 v_opcode, u32 v_retval, u8 *msg, u16 msglen,
2906 				struct i40e_asq_cmd_details *cmd_details)
2907 {
2908 	struct i40e_aq_desc desc;
2909 	struct i40e_aqc_pf_vf_message *cmd =
2910 		(struct i40e_aqc_pf_vf_message *)&desc.params.raw;
2911 	i40e_status status;
2912 
2913 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_send_msg_to_vf);
2914 	cmd->id = cpu_to_le32(vfid);
2915 	desc.cookie_high = cpu_to_le32(v_opcode);
2916 	desc.cookie_low = cpu_to_le32(v_retval);
2917 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_SI);
2918 	if (msglen) {
2919 		desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF |
2920 						I40E_AQ_FLAG_RD));
2921 		if (msglen > I40E_AQ_LARGE_BUF)
2922 			desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
2923 		desc.datalen = cpu_to_le16(msglen);
2924 	}
2925 	status = i40e_asq_send_command(hw, &desc, msg, msglen, cmd_details);
2926 
2927 	return status;
2928 }
2929 
2930 /**
2931  * i40e_aq_debug_read_register
2932  * @hw: pointer to the hw struct
2933  * @reg_addr: register address
2934  * @reg_val: register value
2935  * @cmd_details: pointer to command details structure or NULL
2936  *
2937  * Read the register using the admin queue commands
2938  **/
2939 i40e_status i40e_aq_debug_read_register(struct i40e_hw *hw,
2940 				u32 reg_addr, u64 *reg_val,
2941 				struct i40e_asq_cmd_details *cmd_details)
2942 {
2943 	struct i40e_aq_desc desc;
2944 	struct i40e_aqc_debug_reg_read_write *cmd_resp =
2945 		(struct i40e_aqc_debug_reg_read_write *)&desc.params.raw;
2946 	i40e_status status;
2947 
2948 	if (reg_val == NULL)
2949 		return I40E_ERR_PARAM;
2950 
2951 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_debug_read_reg);
2952 
2953 	cmd_resp->address = cpu_to_le32(reg_addr);
2954 
2955 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2956 
2957 	if (!status) {
2958 		*reg_val = ((u64)le32_to_cpu(cmd_resp->value_high) << 32) |
2959 			   (u64)le32_to_cpu(cmd_resp->value_low);
2960 	}
2961 
2962 	return status;
2963 }
2964 
2965 /**
2966  * i40e_aq_debug_write_register
2967  * @hw: pointer to the hw struct
2968  * @reg_addr: register address
2969  * @reg_val: register value
2970  * @cmd_details: pointer to command details structure or NULL
2971  *
2972  * Write to a register using the admin queue commands
2973  **/
2974 i40e_status i40e_aq_debug_write_register(struct i40e_hw *hw,
2975 					u32 reg_addr, u64 reg_val,
2976 					struct i40e_asq_cmd_details *cmd_details)
2977 {
2978 	struct i40e_aq_desc desc;
2979 	struct i40e_aqc_debug_reg_read_write *cmd =
2980 		(struct i40e_aqc_debug_reg_read_write *)&desc.params.raw;
2981 	i40e_status status;
2982 
2983 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_debug_write_reg);
2984 
2985 	cmd->address = cpu_to_le32(reg_addr);
2986 	cmd->value_high = cpu_to_le32((u32)(reg_val >> 32));
2987 	cmd->value_low = cpu_to_le32((u32)(reg_val & 0xFFFFFFFF));
2988 
2989 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2990 
2991 	return status;
2992 }
2993 
2994 /**
2995  * i40e_aq_request_resource
2996  * @hw: pointer to the hw struct
2997  * @resource: resource id
2998  * @access: access type
2999  * @sdp_number: resource number
3000  * @timeout: the maximum time in ms that the driver may hold the resource
3001  * @cmd_details: pointer to command details structure or NULL
3002  *
3003  * requests common resource using the admin queue commands
3004  **/
3005 i40e_status i40e_aq_request_resource(struct i40e_hw *hw,
3006 				enum i40e_aq_resources_ids resource,
3007 				enum i40e_aq_resource_access_type access,
3008 				u8 sdp_number, u64 *timeout,
3009 				struct i40e_asq_cmd_details *cmd_details)
3010 {
3011 	struct i40e_aq_desc desc;
3012 	struct i40e_aqc_request_resource *cmd_resp =
3013 		(struct i40e_aqc_request_resource *)&desc.params.raw;
3014 	i40e_status status;
3015 
3016 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_request_resource);
3017 
3018 	cmd_resp->resource_id = cpu_to_le16(resource);
3019 	cmd_resp->access_type = cpu_to_le16(access);
3020 	cmd_resp->resource_number = cpu_to_le32(sdp_number);
3021 
3022 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3023 	/* The completion specifies the maximum time in ms that the driver
3024 	 * may hold the resource in the Timeout field.
3025 	 * If the resource is held by someone else, the command completes with
3026 	 * busy return value and the timeout field indicates the maximum time
3027 	 * the current owner of the resource has to free it.
3028 	 */
3029 	if (!status || hw->aq.asq_last_status == I40E_AQ_RC_EBUSY)
3030 		*timeout = le32_to_cpu(cmd_resp->timeout);
3031 
3032 	return status;
3033 }
3034 
3035 /**
3036  * i40e_aq_release_resource
3037  * @hw: pointer to the hw struct
3038  * @resource: resource id
3039  * @sdp_number: resource number
3040  * @cmd_details: pointer to command details structure or NULL
3041  *
3042  * release common resource using the admin queue commands
3043  **/
3044 i40e_status i40e_aq_release_resource(struct i40e_hw *hw,
3045 				enum i40e_aq_resources_ids resource,
3046 				u8 sdp_number,
3047 				struct i40e_asq_cmd_details *cmd_details)
3048 {
3049 	struct i40e_aq_desc desc;
3050 	struct i40e_aqc_request_resource *cmd =
3051 		(struct i40e_aqc_request_resource *)&desc.params.raw;
3052 	i40e_status status;
3053 
3054 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_release_resource);
3055 
3056 	cmd->resource_id = cpu_to_le16(resource);
3057 	cmd->resource_number = cpu_to_le32(sdp_number);
3058 
3059 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3060 
3061 	return status;
3062 }
3063 
3064 /**
3065  * i40e_aq_read_nvm
3066  * @hw: pointer to the hw struct
3067  * @module_pointer: module pointer location in words from the NVM beginning
3068  * @offset: byte offset from the module beginning
3069  * @length: length of the section to be read (in bytes from the offset)
3070  * @data: command buffer (size [bytes] = length)
3071  * @last_command: tells if this is the last command in a series
3072  * @cmd_details: pointer to command details structure or NULL
3073  *
3074  * Read the NVM using the admin queue commands
3075  **/
3076 i40e_status i40e_aq_read_nvm(struct i40e_hw *hw, u8 module_pointer,
3077 				u32 offset, u16 length, void *data,
3078 				bool last_command,
3079 				struct i40e_asq_cmd_details *cmd_details)
3080 {
3081 	struct i40e_aq_desc desc;
3082 	struct i40e_aqc_nvm_update *cmd =
3083 		(struct i40e_aqc_nvm_update *)&desc.params.raw;
3084 	i40e_status status;
3085 
3086 	/* In offset the highest byte must be zeroed. */
3087 	if (offset & 0xFF000000) {
3088 		status = I40E_ERR_PARAM;
3089 		goto i40e_aq_read_nvm_exit;
3090 	}
3091 
3092 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_nvm_read);
3093 
3094 	/* If this is the last command in a series, set the proper flag. */
3095 	if (last_command)
3096 		cmd->command_flags |= I40E_AQ_NVM_LAST_CMD;
3097 	cmd->module_pointer = module_pointer;
3098 	cmd->offset = cpu_to_le32(offset);
3099 	cmd->length = cpu_to_le16(length);
3100 
3101 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
3102 	if (length > I40E_AQ_LARGE_BUF)
3103 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
3104 
3105 	status = i40e_asq_send_command(hw, &desc, data, length, cmd_details);
3106 
3107 i40e_aq_read_nvm_exit:
3108 	return status;
3109 }
3110 
3111 /**
3112  * i40e_aq_erase_nvm
3113  * @hw: pointer to the hw struct
3114  * @module_pointer: module pointer location in words from the NVM beginning
3115  * @offset: offset in the module (expressed in 4 KB from module's beginning)
3116  * @length: length of the section to be erased (expressed in 4 KB)
3117  * @last_command: tells if this is the last command in a series
3118  * @cmd_details: pointer to command details structure or NULL
3119  *
3120  * Erase the NVM sector using the admin queue commands
3121  **/
3122 i40e_status i40e_aq_erase_nvm(struct i40e_hw *hw, u8 module_pointer,
3123 			      u32 offset, u16 length, bool last_command,
3124 			      struct i40e_asq_cmd_details *cmd_details)
3125 {
3126 	struct i40e_aq_desc desc;
3127 	struct i40e_aqc_nvm_update *cmd =
3128 		(struct i40e_aqc_nvm_update *)&desc.params.raw;
3129 	i40e_status status;
3130 
3131 	/* In offset the highest byte must be zeroed. */
3132 	if (offset & 0xFF000000) {
3133 		status = I40E_ERR_PARAM;
3134 		goto i40e_aq_erase_nvm_exit;
3135 	}
3136 
3137 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_nvm_erase);
3138 
3139 	/* If this is the last command in a series, set the proper flag. */
3140 	if (last_command)
3141 		cmd->command_flags |= I40E_AQ_NVM_LAST_CMD;
3142 	cmd->module_pointer = module_pointer;
3143 	cmd->offset = cpu_to_le32(offset);
3144 	cmd->length = cpu_to_le16(length);
3145 
3146 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3147 
3148 i40e_aq_erase_nvm_exit:
3149 	return status;
3150 }
3151 
3152 /**
3153  * i40e_parse_discover_capabilities
3154  * @hw: pointer to the hw struct
3155  * @buff: pointer to a buffer containing device/function capability records
3156  * @cap_count: number of capability records in the list
3157  * @list_type_opc: type of capabilities list to parse
3158  *
3159  * Parse the device/function capabilities list.
3160  **/
3161 static void i40e_parse_discover_capabilities(struct i40e_hw *hw, void *buff,
3162 				     u32 cap_count,
3163 				     enum i40e_admin_queue_opc list_type_opc)
3164 {
3165 	struct i40e_aqc_list_capabilities_element_resp *cap;
3166 	u32 valid_functions, num_functions;
3167 	u32 number, logical_id, phys_id;
3168 	struct i40e_hw_capabilities *p;
3169 	u8 major_rev;
3170 	u32 i = 0;
3171 	u16 id;
3172 
3173 	cap = (struct i40e_aqc_list_capabilities_element_resp *) buff;
3174 
3175 	if (list_type_opc == i40e_aqc_opc_list_dev_capabilities)
3176 		p = &hw->dev_caps;
3177 	else if (list_type_opc == i40e_aqc_opc_list_func_capabilities)
3178 		p = &hw->func_caps;
3179 	else
3180 		return;
3181 
3182 	for (i = 0; i < cap_count; i++, cap++) {
3183 		id = le16_to_cpu(cap->id);
3184 		number = le32_to_cpu(cap->number);
3185 		logical_id = le32_to_cpu(cap->logical_id);
3186 		phys_id = le32_to_cpu(cap->phys_id);
3187 		major_rev = cap->major_rev;
3188 
3189 		switch (id) {
3190 		case I40E_AQ_CAP_ID_SWITCH_MODE:
3191 			p->switch_mode = number;
3192 			break;
3193 		case I40E_AQ_CAP_ID_MNG_MODE:
3194 			p->management_mode = number;
3195 			if (major_rev > 1) {
3196 				p->mng_protocols_over_mctp = logical_id;
3197 				i40e_debug(hw, I40E_DEBUG_INIT,
3198 					   "HW Capability: Protocols over MCTP = %d\n",
3199 					   p->mng_protocols_over_mctp);
3200 			} else {
3201 				p->mng_protocols_over_mctp = 0;
3202 			}
3203 			break;
3204 		case I40E_AQ_CAP_ID_NPAR_ACTIVE:
3205 			p->npar_enable = number;
3206 			break;
3207 		case I40E_AQ_CAP_ID_OS2BMC_CAP:
3208 			p->os2bmc = number;
3209 			break;
3210 		case I40E_AQ_CAP_ID_FUNCTIONS_VALID:
3211 			p->valid_functions = number;
3212 			break;
3213 		case I40E_AQ_CAP_ID_SRIOV:
3214 			if (number == 1)
3215 				p->sr_iov_1_1 = true;
3216 			break;
3217 		case I40E_AQ_CAP_ID_VF:
3218 			p->num_vfs = number;
3219 			p->vf_base_id = logical_id;
3220 			break;
3221 		case I40E_AQ_CAP_ID_VMDQ:
3222 			if (number == 1)
3223 				p->vmdq = true;
3224 			break;
3225 		case I40E_AQ_CAP_ID_8021QBG:
3226 			if (number == 1)
3227 				p->evb_802_1_qbg = true;
3228 			break;
3229 		case I40E_AQ_CAP_ID_8021QBR:
3230 			if (number == 1)
3231 				p->evb_802_1_qbh = true;
3232 			break;
3233 		case I40E_AQ_CAP_ID_VSI:
3234 			p->num_vsis = number;
3235 			break;
3236 		case I40E_AQ_CAP_ID_DCB:
3237 			if (number == 1) {
3238 				p->dcb = true;
3239 				p->enabled_tcmap = logical_id;
3240 				p->maxtc = phys_id;
3241 			}
3242 			break;
3243 		case I40E_AQ_CAP_ID_FCOE:
3244 			if (number == 1)
3245 				p->fcoe = true;
3246 			break;
3247 		case I40E_AQ_CAP_ID_ISCSI:
3248 			if (number == 1)
3249 				p->iscsi = true;
3250 			break;
3251 		case I40E_AQ_CAP_ID_RSS:
3252 			p->rss = true;
3253 			p->rss_table_size = number;
3254 			p->rss_table_entry_width = logical_id;
3255 			break;
3256 		case I40E_AQ_CAP_ID_RXQ:
3257 			p->num_rx_qp = number;
3258 			p->base_queue = phys_id;
3259 			break;
3260 		case I40E_AQ_CAP_ID_TXQ:
3261 			p->num_tx_qp = number;
3262 			p->base_queue = phys_id;
3263 			break;
3264 		case I40E_AQ_CAP_ID_MSIX:
3265 			p->num_msix_vectors = number;
3266 			i40e_debug(hw, I40E_DEBUG_INIT,
3267 				   "HW Capability: MSIX vector count = %d\n",
3268 				   p->num_msix_vectors);
3269 			break;
3270 		case I40E_AQ_CAP_ID_VF_MSIX:
3271 			p->num_msix_vectors_vf = number;
3272 			break;
3273 		case I40E_AQ_CAP_ID_FLEX10:
3274 			if (major_rev == 1) {
3275 				if (number == 1) {
3276 					p->flex10_enable = true;
3277 					p->flex10_capable = true;
3278 				}
3279 			} else {
3280 				/* Capability revision >= 2 */
3281 				if (number & 1)
3282 					p->flex10_enable = true;
3283 				if (number & 2)
3284 					p->flex10_capable = true;
3285 			}
3286 			p->flex10_mode = logical_id;
3287 			p->flex10_status = phys_id;
3288 			break;
3289 		case I40E_AQ_CAP_ID_CEM:
3290 			if (number == 1)
3291 				p->mgmt_cem = true;
3292 			break;
3293 		case I40E_AQ_CAP_ID_IWARP:
3294 			if (number == 1)
3295 				p->iwarp = true;
3296 			break;
3297 		case I40E_AQ_CAP_ID_LED:
3298 			if (phys_id < I40E_HW_CAP_MAX_GPIO)
3299 				p->led[phys_id] = true;
3300 			break;
3301 		case I40E_AQ_CAP_ID_SDP:
3302 			if (phys_id < I40E_HW_CAP_MAX_GPIO)
3303 				p->sdp[phys_id] = true;
3304 			break;
3305 		case I40E_AQ_CAP_ID_MDIO:
3306 			if (number == 1) {
3307 				p->mdio_port_num = phys_id;
3308 				p->mdio_port_mode = logical_id;
3309 			}
3310 			break;
3311 		case I40E_AQ_CAP_ID_1588:
3312 			if (number == 1)
3313 				p->ieee_1588 = true;
3314 			break;
3315 		case I40E_AQ_CAP_ID_FLOW_DIRECTOR:
3316 			p->fd = true;
3317 			p->fd_filters_guaranteed = number;
3318 			p->fd_filters_best_effort = logical_id;
3319 			break;
3320 		case I40E_AQ_CAP_ID_WSR_PROT:
3321 			p->wr_csr_prot = (u64)number;
3322 			p->wr_csr_prot |= (u64)logical_id << 32;
3323 			break;
3324 		case I40E_AQ_CAP_ID_NVM_MGMT:
3325 			if (number & I40E_NVM_MGMT_SEC_REV_DISABLED)
3326 				p->sec_rev_disabled = true;
3327 			if (number & I40E_NVM_MGMT_UPDATE_DISABLED)
3328 				p->update_disabled = true;
3329 			break;
3330 		default:
3331 			break;
3332 		}
3333 	}
3334 
3335 	if (p->fcoe)
3336 		i40e_debug(hw, I40E_DEBUG_ALL, "device is FCoE capable\n");
3337 
3338 	/* Software override ensuring FCoE is disabled if npar or mfp
3339 	 * mode because it is not supported in these modes.
3340 	 */
3341 	if (p->npar_enable || p->flex10_enable)
3342 		p->fcoe = false;
3343 
3344 	/* count the enabled ports (aka the "not disabled" ports) */
3345 	hw->num_ports = 0;
3346 	for (i = 0; i < 4; i++) {
3347 		u32 port_cfg_reg = I40E_PRTGEN_CNF + (4 * i);
3348 		u64 port_cfg = 0;
3349 
3350 		/* use AQ read to get the physical register offset instead
3351 		 * of the port relative offset
3352 		 */
3353 		i40e_aq_debug_read_register(hw, port_cfg_reg, &port_cfg, NULL);
3354 		if (!(port_cfg & I40E_PRTGEN_CNF_PORT_DIS_MASK))
3355 			hw->num_ports++;
3356 	}
3357 
3358 	valid_functions = p->valid_functions;
3359 	num_functions = 0;
3360 	while (valid_functions) {
3361 		if (valid_functions & 1)
3362 			num_functions++;
3363 		valid_functions >>= 1;
3364 	}
3365 
3366 	/* partition id is 1-based, and functions are evenly spread
3367 	 * across the ports as partitions
3368 	 */
3369 	if (hw->num_ports != 0) {
3370 		hw->partition_id = (hw->pf_id / hw->num_ports) + 1;
3371 		hw->num_partitions = num_functions / hw->num_ports;
3372 	}
3373 
3374 	/* additional HW specific goodies that might
3375 	 * someday be HW version specific
3376 	 */
3377 	p->rx_buf_chain_len = I40E_MAX_CHAINED_RX_BUFFERS;
3378 }
3379 
3380 /**
3381  * i40e_aq_discover_capabilities
3382  * @hw: pointer to the hw struct
3383  * @buff: a virtual buffer to hold the capabilities
3384  * @buff_size: Size of the virtual buffer
3385  * @data_size: Size of the returned data, or buff size needed if AQ err==ENOMEM
3386  * @list_type_opc: capabilities type to discover - pass in the command opcode
3387  * @cmd_details: pointer to command details structure or NULL
3388  *
3389  * Get the device capabilities descriptions from the firmware
3390  **/
3391 i40e_status i40e_aq_discover_capabilities(struct i40e_hw *hw,
3392 				void *buff, u16 buff_size, u16 *data_size,
3393 				enum i40e_admin_queue_opc list_type_opc,
3394 				struct i40e_asq_cmd_details *cmd_details)
3395 {
3396 	struct i40e_aqc_list_capabilites *cmd;
3397 	struct i40e_aq_desc desc;
3398 	i40e_status status = 0;
3399 
3400 	cmd = (struct i40e_aqc_list_capabilites *)&desc.params.raw;
3401 
3402 	if (list_type_opc != i40e_aqc_opc_list_func_capabilities &&
3403 		list_type_opc != i40e_aqc_opc_list_dev_capabilities) {
3404 		status = I40E_ERR_PARAM;
3405 		goto exit;
3406 	}
3407 
3408 	i40e_fill_default_direct_cmd_desc(&desc, list_type_opc);
3409 
3410 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
3411 	if (buff_size > I40E_AQ_LARGE_BUF)
3412 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
3413 
3414 	status = i40e_asq_send_command(hw, &desc, buff, buff_size, cmd_details);
3415 	*data_size = le16_to_cpu(desc.datalen);
3416 
3417 	if (status)
3418 		goto exit;
3419 
3420 	i40e_parse_discover_capabilities(hw, buff, le32_to_cpu(cmd->count),
3421 					 list_type_opc);
3422 
3423 exit:
3424 	return status;
3425 }
3426 
3427 /**
3428  * i40e_aq_update_nvm
3429  * @hw: pointer to the hw struct
3430  * @module_pointer: module pointer location in words from the NVM beginning
3431  * @offset: byte offset from the module beginning
3432  * @length: length of the section to be written (in bytes from the offset)
3433  * @data: command buffer (size [bytes] = length)
3434  * @last_command: tells if this is the last command in a series
3435  * @cmd_details: pointer to command details structure or NULL
3436  *
3437  * Update the NVM using the admin queue commands
3438  **/
3439 i40e_status i40e_aq_update_nvm(struct i40e_hw *hw, u8 module_pointer,
3440 			       u32 offset, u16 length, void *data,
3441 			       bool last_command,
3442 			       struct i40e_asq_cmd_details *cmd_details)
3443 {
3444 	struct i40e_aq_desc desc;
3445 	struct i40e_aqc_nvm_update *cmd =
3446 		(struct i40e_aqc_nvm_update *)&desc.params.raw;
3447 	i40e_status status;
3448 
3449 	/* In offset the highest byte must be zeroed. */
3450 	if (offset & 0xFF000000) {
3451 		status = I40E_ERR_PARAM;
3452 		goto i40e_aq_update_nvm_exit;
3453 	}
3454 
3455 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_nvm_update);
3456 
3457 	/* If this is the last command in a series, set the proper flag. */
3458 	if (last_command)
3459 		cmd->command_flags |= I40E_AQ_NVM_LAST_CMD;
3460 	cmd->module_pointer = module_pointer;
3461 	cmd->offset = cpu_to_le32(offset);
3462 	cmd->length = cpu_to_le16(length);
3463 
3464 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
3465 	if (length > I40E_AQ_LARGE_BUF)
3466 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
3467 
3468 	status = i40e_asq_send_command(hw, &desc, data, length, cmd_details);
3469 
3470 i40e_aq_update_nvm_exit:
3471 	return status;
3472 }
3473 
3474 /**
3475  * i40e_aq_get_lldp_mib
3476  * @hw: pointer to the hw struct
3477  * @bridge_type: type of bridge requested
3478  * @mib_type: Local, Remote or both Local and Remote MIBs
3479  * @buff: pointer to a user supplied buffer to store the MIB block
3480  * @buff_size: size of the buffer (in bytes)
3481  * @local_len : length of the returned Local LLDP MIB
3482  * @remote_len: length of the returned Remote LLDP MIB
3483  * @cmd_details: pointer to command details structure or NULL
3484  *
3485  * Requests the complete LLDP MIB (entire packet).
3486  **/
3487 i40e_status i40e_aq_get_lldp_mib(struct i40e_hw *hw, u8 bridge_type,
3488 				u8 mib_type, void *buff, u16 buff_size,
3489 				u16 *local_len, u16 *remote_len,
3490 				struct i40e_asq_cmd_details *cmd_details)
3491 {
3492 	struct i40e_aq_desc desc;
3493 	struct i40e_aqc_lldp_get_mib *cmd =
3494 		(struct i40e_aqc_lldp_get_mib *)&desc.params.raw;
3495 	struct i40e_aqc_lldp_get_mib *resp =
3496 		(struct i40e_aqc_lldp_get_mib *)&desc.params.raw;
3497 	i40e_status status;
3498 
3499 	if (buff_size == 0 || !buff)
3500 		return I40E_ERR_PARAM;
3501 
3502 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_lldp_get_mib);
3503 	/* Indirect Command */
3504 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
3505 
3506 	cmd->type = mib_type & I40E_AQ_LLDP_MIB_TYPE_MASK;
3507 	cmd->type |= ((bridge_type << I40E_AQ_LLDP_BRIDGE_TYPE_SHIFT) &
3508 		       I40E_AQ_LLDP_BRIDGE_TYPE_MASK);
3509 
3510 	desc.datalen = cpu_to_le16(buff_size);
3511 
3512 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
3513 	if (buff_size > I40E_AQ_LARGE_BUF)
3514 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
3515 
3516 	status = i40e_asq_send_command(hw, &desc, buff, buff_size, cmd_details);
3517 	if (!status) {
3518 		if (local_len != NULL)
3519 			*local_len = le16_to_cpu(resp->local_len);
3520 		if (remote_len != NULL)
3521 			*remote_len = le16_to_cpu(resp->remote_len);
3522 	}
3523 
3524 	return status;
3525 }
3526 
3527 /**
3528  * i40e_aq_cfg_lldp_mib_change_event
3529  * @hw: pointer to the hw struct
3530  * @enable_update: Enable or Disable event posting
3531  * @cmd_details: pointer to command details structure or NULL
3532  *
3533  * Enable or Disable posting of an event on ARQ when LLDP MIB
3534  * associated with the interface changes
3535  **/
3536 i40e_status i40e_aq_cfg_lldp_mib_change_event(struct i40e_hw *hw,
3537 				bool enable_update,
3538 				struct i40e_asq_cmd_details *cmd_details)
3539 {
3540 	struct i40e_aq_desc desc;
3541 	struct i40e_aqc_lldp_update_mib *cmd =
3542 		(struct i40e_aqc_lldp_update_mib *)&desc.params.raw;
3543 	i40e_status status;
3544 
3545 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_lldp_update_mib);
3546 
3547 	if (!enable_update)
3548 		cmd->command |= I40E_AQ_LLDP_MIB_UPDATE_DISABLE;
3549 
3550 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3551 
3552 	return status;
3553 }
3554 
3555 /**
3556  * i40e_aq_stop_lldp
3557  * @hw: pointer to the hw struct
3558  * @shutdown_agent: True if LLDP Agent needs to be Shutdown
3559  * @cmd_details: pointer to command details structure or NULL
3560  *
3561  * Stop or Shutdown the embedded LLDP Agent
3562  **/
3563 i40e_status i40e_aq_stop_lldp(struct i40e_hw *hw, bool shutdown_agent,
3564 				struct i40e_asq_cmd_details *cmd_details)
3565 {
3566 	struct i40e_aq_desc desc;
3567 	struct i40e_aqc_lldp_stop *cmd =
3568 		(struct i40e_aqc_lldp_stop *)&desc.params.raw;
3569 	i40e_status status;
3570 
3571 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_lldp_stop);
3572 
3573 	if (shutdown_agent)
3574 		cmd->command |= I40E_AQ_LLDP_AGENT_SHUTDOWN;
3575 
3576 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3577 
3578 	return status;
3579 }
3580 
3581 /**
3582  * i40e_aq_start_lldp
3583  * @hw: pointer to the hw struct
3584  * @cmd_details: pointer to command details structure or NULL
3585  *
3586  * Start the embedded LLDP Agent on all ports.
3587  **/
3588 i40e_status i40e_aq_start_lldp(struct i40e_hw *hw,
3589 				struct i40e_asq_cmd_details *cmd_details)
3590 {
3591 	struct i40e_aq_desc desc;
3592 	struct i40e_aqc_lldp_start *cmd =
3593 		(struct i40e_aqc_lldp_start *)&desc.params.raw;
3594 	i40e_status status;
3595 
3596 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_lldp_start);
3597 
3598 	cmd->command = I40E_AQ_LLDP_AGENT_START;
3599 
3600 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3601 
3602 	return status;
3603 }
3604 
3605 /**
3606  * i40e_aq_get_cee_dcb_config
3607  * @hw: pointer to the hw struct
3608  * @buff: response buffer that stores CEE operational configuration
3609  * @buff_size: size of the buffer passed
3610  * @cmd_details: pointer to command details structure or NULL
3611  *
3612  * Get CEE DCBX mode operational configuration from firmware
3613  **/
3614 i40e_status i40e_aq_get_cee_dcb_config(struct i40e_hw *hw,
3615 				       void *buff, u16 buff_size,
3616 				       struct i40e_asq_cmd_details *cmd_details)
3617 {
3618 	struct i40e_aq_desc desc;
3619 	i40e_status status;
3620 
3621 	if (buff_size == 0 || !buff)
3622 		return I40E_ERR_PARAM;
3623 
3624 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_get_cee_dcb_cfg);
3625 
3626 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
3627 	status = i40e_asq_send_command(hw, &desc, (void *)buff, buff_size,
3628 				       cmd_details);
3629 
3630 	return status;
3631 }
3632 
3633 /**
3634  * i40e_aq_add_udp_tunnel
3635  * @hw: pointer to the hw struct
3636  * @udp_port: the UDP port to add in Host byte order
3637  * @header_len: length of the tunneling header length in DWords
3638  * @protocol_index: protocol index type
3639  * @filter_index: pointer to filter index
3640  * @cmd_details: pointer to command details structure or NULL
3641  *
3642  * Note: Firmware expects the udp_port value to be in Little Endian format,
3643  * and this function will call cpu_to_le16 to convert from Host byte order to
3644  * Little Endian order.
3645  **/
3646 i40e_status i40e_aq_add_udp_tunnel(struct i40e_hw *hw,
3647 				u16 udp_port, u8 protocol_index,
3648 				u8 *filter_index,
3649 				struct i40e_asq_cmd_details *cmd_details)
3650 {
3651 	struct i40e_aq_desc desc;
3652 	struct i40e_aqc_add_udp_tunnel *cmd =
3653 		(struct i40e_aqc_add_udp_tunnel *)&desc.params.raw;
3654 	struct i40e_aqc_del_udp_tunnel_completion *resp =
3655 		(struct i40e_aqc_del_udp_tunnel_completion *)&desc.params.raw;
3656 	i40e_status status;
3657 
3658 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_add_udp_tunnel);
3659 
3660 	cmd->udp_port = cpu_to_le16(udp_port);
3661 	cmd->protocol_type = protocol_index;
3662 
3663 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3664 
3665 	if (!status && filter_index)
3666 		*filter_index = resp->index;
3667 
3668 	return status;
3669 }
3670 
3671 /**
3672  * i40e_aq_del_udp_tunnel
3673  * @hw: pointer to the hw struct
3674  * @index: filter index
3675  * @cmd_details: pointer to command details structure or NULL
3676  **/
3677 i40e_status i40e_aq_del_udp_tunnel(struct i40e_hw *hw, u8 index,
3678 				struct i40e_asq_cmd_details *cmd_details)
3679 {
3680 	struct i40e_aq_desc desc;
3681 	struct i40e_aqc_remove_udp_tunnel *cmd =
3682 		(struct i40e_aqc_remove_udp_tunnel *)&desc.params.raw;
3683 	i40e_status status;
3684 
3685 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_del_udp_tunnel);
3686 
3687 	cmd->index = index;
3688 
3689 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3690 
3691 	return status;
3692 }
3693 
3694 /**
3695  * i40e_aq_delete_element - Delete switch element
3696  * @hw: pointer to the hw struct
3697  * @seid: the SEID to delete from the switch
3698  * @cmd_details: pointer to command details structure or NULL
3699  *
3700  * This deletes a switch element from the switch.
3701  **/
3702 i40e_status i40e_aq_delete_element(struct i40e_hw *hw, u16 seid,
3703 				struct i40e_asq_cmd_details *cmd_details)
3704 {
3705 	struct i40e_aq_desc desc;
3706 	struct i40e_aqc_switch_seid *cmd =
3707 		(struct i40e_aqc_switch_seid *)&desc.params.raw;
3708 	i40e_status status;
3709 
3710 	if (seid == 0)
3711 		return I40E_ERR_PARAM;
3712 
3713 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_delete_element);
3714 
3715 	cmd->seid = cpu_to_le16(seid);
3716 
3717 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3718 
3719 	return status;
3720 }
3721 
3722 /**
3723  * i40e_aq_dcb_updated - DCB Updated Command
3724  * @hw: pointer to the hw struct
3725  * @cmd_details: pointer to command details structure or NULL
3726  *
3727  * EMP will return when the shared RPB settings have been
3728  * recomputed and modified. The retval field in the descriptor
3729  * will be set to 0 when RPB is modified.
3730  **/
3731 i40e_status i40e_aq_dcb_updated(struct i40e_hw *hw,
3732 				struct i40e_asq_cmd_details *cmd_details)
3733 {
3734 	struct i40e_aq_desc desc;
3735 	i40e_status status;
3736 
3737 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_dcb_updated);
3738 
3739 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3740 
3741 	return status;
3742 }
3743 
3744 /**
3745  * i40e_aq_tx_sched_cmd - generic Tx scheduler AQ command handler
3746  * @hw: pointer to the hw struct
3747  * @seid: seid for the physical port/switching component/vsi
3748  * @buff: Indirect buffer to hold data parameters and response
3749  * @buff_size: Indirect buffer size
3750  * @opcode: Tx scheduler AQ command opcode
3751  * @cmd_details: pointer to command details structure or NULL
3752  *
3753  * Generic command handler for Tx scheduler AQ commands
3754  **/
3755 static i40e_status i40e_aq_tx_sched_cmd(struct i40e_hw *hw, u16 seid,
3756 				void *buff, u16 buff_size,
3757 				 enum i40e_admin_queue_opc opcode,
3758 				struct i40e_asq_cmd_details *cmd_details)
3759 {
3760 	struct i40e_aq_desc desc;
3761 	struct i40e_aqc_tx_sched_ind *cmd =
3762 		(struct i40e_aqc_tx_sched_ind *)&desc.params.raw;
3763 	i40e_status status;
3764 	bool cmd_param_flag = false;
3765 
3766 	switch (opcode) {
3767 	case i40e_aqc_opc_configure_vsi_ets_sla_bw_limit:
3768 	case i40e_aqc_opc_configure_vsi_tc_bw:
3769 	case i40e_aqc_opc_enable_switching_comp_ets:
3770 	case i40e_aqc_opc_modify_switching_comp_ets:
3771 	case i40e_aqc_opc_disable_switching_comp_ets:
3772 	case i40e_aqc_opc_configure_switching_comp_ets_bw_limit:
3773 	case i40e_aqc_opc_configure_switching_comp_bw_config:
3774 		cmd_param_flag = true;
3775 		break;
3776 	case i40e_aqc_opc_query_vsi_bw_config:
3777 	case i40e_aqc_opc_query_vsi_ets_sla_config:
3778 	case i40e_aqc_opc_query_switching_comp_ets_config:
3779 	case i40e_aqc_opc_query_port_ets_config:
3780 	case i40e_aqc_opc_query_switching_comp_bw_config:
3781 		cmd_param_flag = false;
3782 		break;
3783 	default:
3784 		return I40E_ERR_PARAM;
3785 	}
3786 
3787 	i40e_fill_default_direct_cmd_desc(&desc, opcode);
3788 
3789 	/* Indirect command */
3790 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
3791 	if (cmd_param_flag)
3792 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_RD);
3793 	if (buff_size > I40E_AQ_LARGE_BUF)
3794 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
3795 
3796 	desc.datalen = cpu_to_le16(buff_size);
3797 
3798 	cmd->vsi_seid = cpu_to_le16(seid);
3799 
3800 	status = i40e_asq_send_command(hw, &desc, buff, buff_size, cmd_details);
3801 
3802 	return status;
3803 }
3804 
3805 /**
3806  * i40e_aq_config_vsi_bw_limit - Configure VSI BW Limit
3807  * @hw: pointer to the hw struct
3808  * @seid: VSI seid
3809  * @credit: BW limit credits (0 = disabled)
3810  * @max_credit: Max BW limit credits
3811  * @cmd_details: pointer to command details structure or NULL
3812  **/
3813 i40e_status i40e_aq_config_vsi_bw_limit(struct i40e_hw *hw,
3814 				u16 seid, u16 credit, u8 max_credit,
3815 				struct i40e_asq_cmd_details *cmd_details)
3816 {
3817 	struct i40e_aq_desc desc;
3818 	struct i40e_aqc_configure_vsi_bw_limit *cmd =
3819 		(struct i40e_aqc_configure_vsi_bw_limit *)&desc.params.raw;
3820 	i40e_status status;
3821 
3822 	i40e_fill_default_direct_cmd_desc(&desc,
3823 					  i40e_aqc_opc_configure_vsi_bw_limit);
3824 
3825 	cmd->vsi_seid = cpu_to_le16(seid);
3826 	cmd->credit = cpu_to_le16(credit);
3827 	cmd->max_credit = max_credit;
3828 
3829 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3830 
3831 	return status;
3832 }
3833 
3834 /**
3835  * i40e_aq_config_vsi_tc_bw - Config VSI BW Allocation per TC
3836  * @hw: pointer to the hw struct
3837  * @seid: VSI seid
3838  * @bw_data: Buffer holding enabled TCs, relative TC BW limit/credits
3839  * @cmd_details: pointer to command details structure or NULL
3840  **/
3841 i40e_status i40e_aq_config_vsi_tc_bw(struct i40e_hw *hw,
3842 			u16 seid,
3843 			struct i40e_aqc_configure_vsi_tc_bw_data *bw_data,
3844 			struct i40e_asq_cmd_details *cmd_details)
3845 {
3846 	return i40e_aq_tx_sched_cmd(hw, seid, (void *)bw_data, sizeof(*bw_data),
3847 				    i40e_aqc_opc_configure_vsi_tc_bw,
3848 				    cmd_details);
3849 }
3850 
3851 /**
3852  * i40e_aq_config_switch_comp_ets - Enable/Disable/Modify ETS on the port
3853  * @hw: pointer to the hw struct
3854  * @seid: seid of the switching component connected to Physical Port
3855  * @ets_data: Buffer holding ETS parameters
3856  * @cmd_details: pointer to command details structure or NULL
3857  **/
3858 i40e_status i40e_aq_config_switch_comp_ets(struct i40e_hw *hw,
3859 		u16 seid,
3860 		struct i40e_aqc_configure_switching_comp_ets_data *ets_data,
3861 		enum i40e_admin_queue_opc opcode,
3862 		struct i40e_asq_cmd_details *cmd_details)
3863 {
3864 	return i40e_aq_tx_sched_cmd(hw, seid, (void *)ets_data,
3865 				    sizeof(*ets_data), opcode, cmd_details);
3866 }
3867 
3868 /**
3869  * i40e_aq_config_switch_comp_bw_config - Config Switch comp BW Alloc per TC
3870  * @hw: pointer to the hw struct
3871  * @seid: seid of the switching component
3872  * @bw_data: Buffer holding enabled TCs, relative/absolute TC BW limit/credits
3873  * @cmd_details: pointer to command details structure or NULL
3874  **/
3875 i40e_status i40e_aq_config_switch_comp_bw_config(struct i40e_hw *hw,
3876 	u16 seid,
3877 	struct i40e_aqc_configure_switching_comp_bw_config_data *bw_data,
3878 	struct i40e_asq_cmd_details *cmd_details)
3879 {
3880 	return i40e_aq_tx_sched_cmd(hw, seid, (void *)bw_data, sizeof(*bw_data),
3881 			    i40e_aqc_opc_configure_switching_comp_bw_config,
3882 			    cmd_details);
3883 }
3884 
3885 /**
3886  * i40e_aq_query_vsi_bw_config - Query VSI BW configuration
3887  * @hw: pointer to the hw struct
3888  * @seid: seid of the VSI
3889  * @bw_data: Buffer to hold VSI BW configuration
3890  * @cmd_details: pointer to command details structure or NULL
3891  **/
3892 i40e_status i40e_aq_query_vsi_bw_config(struct i40e_hw *hw,
3893 			u16 seid,
3894 			struct i40e_aqc_query_vsi_bw_config_resp *bw_data,
3895 			struct i40e_asq_cmd_details *cmd_details)
3896 {
3897 	return i40e_aq_tx_sched_cmd(hw, seid, (void *)bw_data, sizeof(*bw_data),
3898 				    i40e_aqc_opc_query_vsi_bw_config,
3899 				    cmd_details);
3900 }
3901 
3902 /**
3903  * i40e_aq_query_vsi_ets_sla_config - Query VSI BW configuration per TC
3904  * @hw: pointer to the hw struct
3905  * @seid: seid of the VSI
3906  * @bw_data: Buffer to hold VSI BW configuration per TC
3907  * @cmd_details: pointer to command details structure or NULL
3908  **/
3909 i40e_status i40e_aq_query_vsi_ets_sla_config(struct i40e_hw *hw,
3910 			u16 seid,
3911 			struct i40e_aqc_query_vsi_ets_sla_config_resp *bw_data,
3912 			struct i40e_asq_cmd_details *cmd_details)
3913 {
3914 	return i40e_aq_tx_sched_cmd(hw, seid, (void *)bw_data, sizeof(*bw_data),
3915 				    i40e_aqc_opc_query_vsi_ets_sla_config,
3916 				    cmd_details);
3917 }
3918 
3919 /**
3920  * i40e_aq_query_switch_comp_ets_config - Query Switch comp BW config per TC
3921  * @hw: pointer to the hw struct
3922  * @seid: seid of the switching component
3923  * @bw_data: Buffer to hold switching component's per TC BW config
3924  * @cmd_details: pointer to command details structure or NULL
3925  **/
3926 i40e_status i40e_aq_query_switch_comp_ets_config(struct i40e_hw *hw,
3927 		u16 seid,
3928 		struct i40e_aqc_query_switching_comp_ets_config_resp *bw_data,
3929 		struct i40e_asq_cmd_details *cmd_details)
3930 {
3931 	return i40e_aq_tx_sched_cmd(hw, seid, (void *)bw_data, sizeof(*bw_data),
3932 				   i40e_aqc_opc_query_switching_comp_ets_config,
3933 				   cmd_details);
3934 }
3935 
3936 /**
3937  * i40e_aq_query_port_ets_config - Query Physical Port ETS configuration
3938  * @hw: pointer to the hw struct
3939  * @seid: seid of the VSI or switching component connected to Physical Port
3940  * @bw_data: Buffer to hold current ETS configuration for the Physical Port
3941  * @cmd_details: pointer to command details structure or NULL
3942  **/
3943 i40e_status i40e_aq_query_port_ets_config(struct i40e_hw *hw,
3944 			u16 seid,
3945 			struct i40e_aqc_query_port_ets_config_resp *bw_data,
3946 			struct i40e_asq_cmd_details *cmd_details)
3947 {
3948 	return i40e_aq_tx_sched_cmd(hw, seid, (void *)bw_data, sizeof(*bw_data),
3949 				    i40e_aqc_opc_query_port_ets_config,
3950 				    cmd_details);
3951 }
3952 
3953 /**
3954  * i40e_aq_query_switch_comp_bw_config - Query Switch comp BW configuration
3955  * @hw: pointer to the hw struct
3956  * @seid: seid of the switching component
3957  * @bw_data: Buffer to hold switching component's BW configuration
3958  * @cmd_details: pointer to command details structure or NULL
3959  **/
3960 i40e_status i40e_aq_query_switch_comp_bw_config(struct i40e_hw *hw,
3961 		u16 seid,
3962 		struct i40e_aqc_query_switching_comp_bw_config_resp *bw_data,
3963 		struct i40e_asq_cmd_details *cmd_details)
3964 {
3965 	return i40e_aq_tx_sched_cmd(hw, seid, (void *)bw_data, sizeof(*bw_data),
3966 				    i40e_aqc_opc_query_switching_comp_bw_config,
3967 				    cmd_details);
3968 }
3969 
3970 /**
3971  * i40e_validate_filter_settings
3972  * @hw: pointer to the hardware structure
3973  * @settings: Filter control settings
3974  *
3975  * Check and validate the filter control settings passed.
3976  * The function checks for the valid filter/context sizes being
3977  * passed for FCoE and PE.
3978  *
3979  * Returns 0 if the values passed are valid and within
3980  * range else returns an error.
3981  **/
3982 static i40e_status i40e_validate_filter_settings(struct i40e_hw *hw,
3983 				struct i40e_filter_control_settings *settings)
3984 {
3985 	u32 fcoe_cntx_size, fcoe_filt_size;
3986 	u32 pe_cntx_size, pe_filt_size;
3987 	u32 fcoe_fmax;
3988 	u32 val;
3989 
3990 	/* Validate FCoE settings passed */
3991 	switch (settings->fcoe_filt_num) {
3992 	case I40E_HASH_FILTER_SIZE_1K:
3993 	case I40E_HASH_FILTER_SIZE_2K:
3994 	case I40E_HASH_FILTER_SIZE_4K:
3995 	case I40E_HASH_FILTER_SIZE_8K:
3996 	case I40E_HASH_FILTER_SIZE_16K:
3997 	case I40E_HASH_FILTER_SIZE_32K:
3998 		fcoe_filt_size = I40E_HASH_FILTER_BASE_SIZE;
3999 		fcoe_filt_size <<= (u32)settings->fcoe_filt_num;
4000 		break;
4001 	default:
4002 		return I40E_ERR_PARAM;
4003 	}
4004 
4005 	switch (settings->fcoe_cntx_num) {
4006 	case I40E_DMA_CNTX_SIZE_512:
4007 	case I40E_DMA_CNTX_SIZE_1K:
4008 	case I40E_DMA_CNTX_SIZE_2K:
4009 	case I40E_DMA_CNTX_SIZE_4K:
4010 		fcoe_cntx_size = I40E_DMA_CNTX_BASE_SIZE;
4011 		fcoe_cntx_size <<= (u32)settings->fcoe_cntx_num;
4012 		break;
4013 	default:
4014 		return I40E_ERR_PARAM;
4015 	}
4016 
4017 	/* Validate PE settings passed */
4018 	switch (settings->pe_filt_num) {
4019 	case I40E_HASH_FILTER_SIZE_1K:
4020 	case I40E_HASH_FILTER_SIZE_2K:
4021 	case I40E_HASH_FILTER_SIZE_4K:
4022 	case I40E_HASH_FILTER_SIZE_8K:
4023 	case I40E_HASH_FILTER_SIZE_16K:
4024 	case I40E_HASH_FILTER_SIZE_32K:
4025 	case I40E_HASH_FILTER_SIZE_64K:
4026 	case I40E_HASH_FILTER_SIZE_128K:
4027 	case I40E_HASH_FILTER_SIZE_256K:
4028 	case I40E_HASH_FILTER_SIZE_512K:
4029 	case I40E_HASH_FILTER_SIZE_1M:
4030 		pe_filt_size = I40E_HASH_FILTER_BASE_SIZE;
4031 		pe_filt_size <<= (u32)settings->pe_filt_num;
4032 		break;
4033 	default:
4034 		return I40E_ERR_PARAM;
4035 	}
4036 
4037 	switch (settings->pe_cntx_num) {
4038 	case I40E_DMA_CNTX_SIZE_512:
4039 	case I40E_DMA_CNTX_SIZE_1K:
4040 	case I40E_DMA_CNTX_SIZE_2K:
4041 	case I40E_DMA_CNTX_SIZE_4K:
4042 	case I40E_DMA_CNTX_SIZE_8K:
4043 	case I40E_DMA_CNTX_SIZE_16K:
4044 	case I40E_DMA_CNTX_SIZE_32K:
4045 	case I40E_DMA_CNTX_SIZE_64K:
4046 	case I40E_DMA_CNTX_SIZE_128K:
4047 	case I40E_DMA_CNTX_SIZE_256K:
4048 		pe_cntx_size = I40E_DMA_CNTX_BASE_SIZE;
4049 		pe_cntx_size <<= (u32)settings->pe_cntx_num;
4050 		break;
4051 	default:
4052 		return I40E_ERR_PARAM;
4053 	}
4054 
4055 	/* FCHSIZE + FCDSIZE should not be greater than PMFCOEFMAX */
4056 	val = rd32(hw, I40E_GLHMC_FCOEFMAX);
4057 	fcoe_fmax = (val & I40E_GLHMC_FCOEFMAX_PMFCOEFMAX_MASK)
4058 		     >> I40E_GLHMC_FCOEFMAX_PMFCOEFMAX_SHIFT;
4059 	if (fcoe_filt_size + fcoe_cntx_size >  fcoe_fmax)
4060 		return I40E_ERR_INVALID_SIZE;
4061 
4062 	return 0;
4063 }
4064 
4065 /**
4066  * i40e_set_filter_control
4067  * @hw: pointer to the hardware structure
4068  * @settings: Filter control settings
4069  *
4070  * Set the Queue Filters for PE/FCoE and enable filters required
4071  * for a single PF. It is expected that these settings are programmed
4072  * at the driver initialization time.
4073  **/
4074 i40e_status i40e_set_filter_control(struct i40e_hw *hw,
4075 				struct i40e_filter_control_settings *settings)
4076 {
4077 	i40e_status ret = 0;
4078 	u32 hash_lut_size = 0;
4079 	u32 val;
4080 
4081 	if (!settings)
4082 		return I40E_ERR_PARAM;
4083 
4084 	/* Validate the input settings */
4085 	ret = i40e_validate_filter_settings(hw, settings);
4086 	if (ret)
4087 		return ret;
4088 
4089 	/* Read the PF Queue Filter control register */
4090 	val = i40e_read_rx_ctl(hw, I40E_PFQF_CTL_0);
4091 
4092 	/* Program required PE hash buckets for the PF */
4093 	val &= ~I40E_PFQF_CTL_0_PEHSIZE_MASK;
4094 	val |= ((u32)settings->pe_filt_num << I40E_PFQF_CTL_0_PEHSIZE_SHIFT) &
4095 		I40E_PFQF_CTL_0_PEHSIZE_MASK;
4096 	/* Program required PE contexts for the PF */
4097 	val &= ~I40E_PFQF_CTL_0_PEDSIZE_MASK;
4098 	val |= ((u32)settings->pe_cntx_num << I40E_PFQF_CTL_0_PEDSIZE_SHIFT) &
4099 		I40E_PFQF_CTL_0_PEDSIZE_MASK;
4100 
4101 	/* Program required FCoE hash buckets for the PF */
4102 	val &= ~I40E_PFQF_CTL_0_PFFCHSIZE_MASK;
4103 	val |= ((u32)settings->fcoe_filt_num <<
4104 			I40E_PFQF_CTL_0_PFFCHSIZE_SHIFT) &
4105 		I40E_PFQF_CTL_0_PFFCHSIZE_MASK;
4106 	/* Program required FCoE DDP contexts for the PF */
4107 	val &= ~I40E_PFQF_CTL_0_PFFCDSIZE_MASK;
4108 	val |= ((u32)settings->fcoe_cntx_num <<
4109 			I40E_PFQF_CTL_0_PFFCDSIZE_SHIFT) &
4110 		I40E_PFQF_CTL_0_PFFCDSIZE_MASK;
4111 
4112 	/* Program Hash LUT size for the PF */
4113 	val &= ~I40E_PFQF_CTL_0_HASHLUTSIZE_MASK;
4114 	if (settings->hash_lut_size == I40E_HASH_LUT_SIZE_512)
4115 		hash_lut_size = 1;
4116 	val |= (hash_lut_size << I40E_PFQF_CTL_0_HASHLUTSIZE_SHIFT) &
4117 		I40E_PFQF_CTL_0_HASHLUTSIZE_MASK;
4118 
4119 	/* Enable FDIR, Ethertype and MACVLAN filters for PF and VFs */
4120 	if (settings->enable_fdir)
4121 		val |= I40E_PFQF_CTL_0_FD_ENA_MASK;
4122 	if (settings->enable_ethtype)
4123 		val |= I40E_PFQF_CTL_0_ETYPE_ENA_MASK;
4124 	if (settings->enable_macvlan)
4125 		val |= I40E_PFQF_CTL_0_MACVLAN_ENA_MASK;
4126 
4127 	i40e_write_rx_ctl(hw, I40E_PFQF_CTL_0, val);
4128 
4129 	return 0;
4130 }
4131 
4132 /**
4133  * i40e_aq_add_rem_control_packet_filter - Add or Remove Control Packet Filter
4134  * @hw: pointer to the hw struct
4135  * @mac_addr: MAC address to use in the filter
4136  * @ethtype: Ethertype to use in the filter
4137  * @flags: Flags that needs to be applied to the filter
4138  * @vsi_seid: seid of the control VSI
4139  * @queue: VSI queue number to send the packet to
4140  * @is_add: Add control packet filter if True else remove
4141  * @stats: Structure to hold information on control filter counts
4142  * @cmd_details: pointer to command details structure or NULL
4143  *
4144  * This command will Add or Remove control packet filter for a control VSI.
4145  * In return it will update the total number of perfect filter count in
4146  * the stats member.
4147  **/
4148 i40e_status i40e_aq_add_rem_control_packet_filter(struct i40e_hw *hw,
4149 				u8 *mac_addr, u16 ethtype, u16 flags,
4150 				u16 vsi_seid, u16 queue, bool is_add,
4151 				struct i40e_control_filter_stats *stats,
4152 				struct i40e_asq_cmd_details *cmd_details)
4153 {
4154 	struct i40e_aq_desc desc;
4155 	struct i40e_aqc_add_remove_control_packet_filter *cmd =
4156 		(struct i40e_aqc_add_remove_control_packet_filter *)
4157 		&desc.params.raw;
4158 	struct i40e_aqc_add_remove_control_packet_filter_completion *resp =
4159 		(struct i40e_aqc_add_remove_control_packet_filter_completion *)
4160 		&desc.params.raw;
4161 	i40e_status status;
4162 
4163 	if (vsi_seid == 0)
4164 		return I40E_ERR_PARAM;
4165 
4166 	if (is_add) {
4167 		i40e_fill_default_direct_cmd_desc(&desc,
4168 				i40e_aqc_opc_add_control_packet_filter);
4169 		cmd->queue = cpu_to_le16(queue);
4170 	} else {
4171 		i40e_fill_default_direct_cmd_desc(&desc,
4172 				i40e_aqc_opc_remove_control_packet_filter);
4173 	}
4174 
4175 	if (mac_addr)
4176 		ether_addr_copy(cmd->mac, mac_addr);
4177 
4178 	cmd->etype = cpu_to_le16(ethtype);
4179 	cmd->flags = cpu_to_le16(flags);
4180 	cmd->seid = cpu_to_le16(vsi_seid);
4181 
4182 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
4183 
4184 	if (!status && stats) {
4185 		stats->mac_etype_used = le16_to_cpu(resp->mac_etype_used);
4186 		stats->etype_used = le16_to_cpu(resp->etype_used);
4187 		stats->mac_etype_free = le16_to_cpu(resp->mac_etype_free);
4188 		stats->etype_free = le16_to_cpu(resp->etype_free);
4189 	}
4190 
4191 	return status;
4192 }
4193 
4194 /**
4195  * i40e_add_filter_to_drop_tx_flow_control_frames- filter to drop flow control
4196  * @hw: pointer to the hw struct
4197  * @seid: VSI seid to add ethertype filter from
4198  **/
4199 #define I40E_FLOW_CONTROL_ETHTYPE 0x8808
4200 void i40e_add_filter_to_drop_tx_flow_control_frames(struct i40e_hw *hw,
4201 						    u16 seid)
4202 {
4203 	u16 flag = I40E_AQC_ADD_CONTROL_PACKET_FLAGS_IGNORE_MAC |
4204 		   I40E_AQC_ADD_CONTROL_PACKET_FLAGS_DROP |
4205 		   I40E_AQC_ADD_CONTROL_PACKET_FLAGS_TX;
4206 	u16 ethtype = I40E_FLOW_CONTROL_ETHTYPE;
4207 	i40e_status status;
4208 
4209 	status = i40e_aq_add_rem_control_packet_filter(hw, NULL, ethtype, flag,
4210 						       seid, 0, true, NULL,
4211 						       NULL);
4212 	if (status)
4213 		hw_dbg(hw, "Ethtype Filter Add failed: Error pruning Tx flow control frames\n");
4214 }
4215 
4216 /**
4217  * i40e_aq_alternate_read
4218  * @hw: pointer to the hardware structure
4219  * @reg_addr0: address of first dword to be read
4220  * @reg_val0: pointer for data read from 'reg_addr0'
4221  * @reg_addr1: address of second dword to be read
4222  * @reg_val1: pointer for data read from 'reg_addr1'
4223  *
4224  * Read one or two dwords from alternate structure. Fields are indicated
4225  * by 'reg_addr0' and 'reg_addr1' register numbers. If 'reg_val1' pointer
4226  * is not passed then only register at 'reg_addr0' is read.
4227  *
4228  **/
4229 static i40e_status i40e_aq_alternate_read(struct i40e_hw *hw,
4230 					  u32 reg_addr0, u32 *reg_val0,
4231 					  u32 reg_addr1, u32 *reg_val1)
4232 {
4233 	struct i40e_aq_desc desc;
4234 	struct i40e_aqc_alternate_write *cmd_resp =
4235 		(struct i40e_aqc_alternate_write *)&desc.params.raw;
4236 	i40e_status status;
4237 
4238 	if (!reg_val0)
4239 		return I40E_ERR_PARAM;
4240 
4241 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_alternate_read);
4242 	cmd_resp->address0 = cpu_to_le32(reg_addr0);
4243 	cmd_resp->address1 = cpu_to_le32(reg_addr1);
4244 
4245 	status = i40e_asq_send_command(hw, &desc, NULL, 0, NULL);
4246 
4247 	if (!status) {
4248 		*reg_val0 = le32_to_cpu(cmd_resp->data0);
4249 
4250 		if (reg_val1)
4251 			*reg_val1 = le32_to_cpu(cmd_resp->data1);
4252 	}
4253 
4254 	return status;
4255 }
4256 
4257 /**
4258  * i40e_aq_resume_port_tx
4259  * @hw: pointer to the hardware structure
4260  * @cmd_details: pointer to command details structure or NULL
4261  *
4262  * Resume port's Tx traffic
4263  **/
4264 i40e_status i40e_aq_resume_port_tx(struct i40e_hw *hw,
4265 				   struct i40e_asq_cmd_details *cmd_details)
4266 {
4267 	struct i40e_aq_desc desc;
4268 	i40e_status status;
4269 
4270 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_resume_port_tx);
4271 
4272 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
4273 
4274 	return status;
4275 }
4276 
4277 /**
4278  * i40e_set_pci_config_data - store PCI bus info
4279  * @hw: pointer to hardware structure
4280  * @link_status: the link status word from PCI config space
4281  *
4282  * Stores the PCI bus info (speed, width, type) within the i40e_hw structure
4283  **/
4284 void i40e_set_pci_config_data(struct i40e_hw *hw, u16 link_status)
4285 {
4286 	hw->bus.type = i40e_bus_type_pci_express;
4287 
4288 	switch (link_status & PCI_EXP_LNKSTA_NLW) {
4289 	case PCI_EXP_LNKSTA_NLW_X1:
4290 		hw->bus.width = i40e_bus_width_pcie_x1;
4291 		break;
4292 	case PCI_EXP_LNKSTA_NLW_X2:
4293 		hw->bus.width = i40e_bus_width_pcie_x2;
4294 		break;
4295 	case PCI_EXP_LNKSTA_NLW_X4:
4296 		hw->bus.width = i40e_bus_width_pcie_x4;
4297 		break;
4298 	case PCI_EXP_LNKSTA_NLW_X8:
4299 		hw->bus.width = i40e_bus_width_pcie_x8;
4300 		break;
4301 	default:
4302 		hw->bus.width = i40e_bus_width_unknown;
4303 		break;
4304 	}
4305 
4306 	switch (link_status & PCI_EXP_LNKSTA_CLS) {
4307 	case PCI_EXP_LNKSTA_CLS_2_5GB:
4308 		hw->bus.speed = i40e_bus_speed_2500;
4309 		break;
4310 	case PCI_EXP_LNKSTA_CLS_5_0GB:
4311 		hw->bus.speed = i40e_bus_speed_5000;
4312 		break;
4313 	case PCI_EXP_LNKSTA_CLS_8_0GB:
4314 		hw->bus.speed = i40e_bus_speed_8000;
4315 		break;
4316 	default:
4317 		hw->bus.speed = i40e_bus_speed_unknown;
4318 		break;
4319 	}
4320 }
4321 
4322 /**
4323  * i40e_aq_debug_dump
4324  * @hw: pointer to the hardware structure
4325  * @cluster_id: specific cluster to dump
4326  * @table_id: table id within cluster
4327  * @start_index: index of line in the block to read
4328  * @buff_size: dump buffer size
4329  * @buff: dump buffer
4330  * @ret_buff_size: actual buffer size returned
4331  * @ret_next_table: next block to read
4332  * @ret_next_index: next index to read
4333  *
4334  * Dump internal FW/HW data for debug purposes.
4335  *
4336  **/
4337 i40e_status i40e_aq_debug_dump(struct i40e_hw *hw, u8 cluster_id,
4338 			       u8 table_id, u32 start_index, u16 buff_size,
4339 			       void *buff, u16 *ret_buff_size,
4340 			       u8 *ret_next_table, u32 *ret_next_index,
4341 			       struct i40e_asq_cmd_details *cmd_details)
4342 {
4343 	struct i40e_aq_desc desc;
4344 	struct i40e_aqc_debug_dump_internals *cmd =
4345 		(struct i40e_aqc_debug_dump_internals *)&desc.params.raw;
4346 	struct i40e_aqc_debug_dump_internals *resp =
4347 		(struct i40e_aqc_debug_dump_internals *)&desc.params.raw;
4348 	i40e_status status;
4349 
4350 	if (buff_size == 0 || !buff)
4351 		return I40E_ERR_PARAM;
4352 
4353 	i40e_fill_default_direct_cmd_desc(&desc,
4354 					  i40e_aqc_opc_debug_dump_internals);
4355 	/* Indirect Command */
4356 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
4357 	if (buff_size > I40E_AQ_LARGE_BUF)
4358 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
4359 
4360 	cmd->cluster_id = cluster_id;
4361 	cmd->table_id = table_id;
4362 	cmd->idx = cpu_to_le32(start_index);
4363 
4364 	desc.datalen = cpu_to_le16(buff_size);
4365 
4366 	status = i40e_asq_send_command(hw, &desc, buff, buff_size, cmd_details);
4367 	if (!status) {
4368 		if (ret_buff_size)
4369 			*ret_buff_size = le16_to_cpu(desc.datalen);
4370 		if (ret_next_table)
4371 			*ret_next_table = resp->table_id;
4372 		if (ret_next_index)
4373 			*ret_next_index = le32_to_cpu(resp->idx);
4374 	}
4375 
4376 	return status;
4377 }
4378 
4379 /**
4380  * i40e_read_bw_from_alt_ram
4381  * @hw: pointer to the hardware structure
4382  * @max_bw: pointer for max_bw read
4383  * @min_bw: pointer for min_bw read
4384  * @min_valid: pointer for bool that is true if min_bw is a valid value
4385  * @max_valid: pointer for bool that is true if max_bw is a valid value
4386  *
4387  * Read bw from the alternate ram for the given pf
4388  **/
4389 i40e_status i40e_read_bw_from_alt_ram(struct i40e_hw *hw,
4390 				      u32 *max_bw, u32 *min_bw,
4391 				      bool *min_valid, bool *max_valid)
4392 {
4393 	i40e_status status;
4394 	u32 max_bw_addr, min_bw_addr;
4395 
4396 	/* Calculate the address of the min/max bw registers */
4397 	max_bw_addr = I40E_ALT_STRUCT_FIRST_PF_OFFSET +
4398 		      I40E_ALT_STRUCT_MAX_BW_OFFSET +
4399 		      (I40E_ALT_STRUCT_DWORDS_PER_PF * hw->pf_id);
4400 	min_bw_addr = I40E_ALT_STRUCT_FIRST_PF_OFFSET +
4401 		      I40E_ALT_STRUCT_MIN_BW_OFFSET +
4402 		      (I40E_ALT_STRUCT_DWORDS_PER_PF * hw->pf_id);
4403 
4404 	/* Read the bandwidths from alt ram */
4405 	status = i40e_aq_alternate_read(hw, max_bw_addr, max_bw,
4406 					min_bw_addr, min_bw);
4407 
4408 	if (*min_bw & I40E_ALT_BW_VALID_MASK)
4409 		*min_valid = true;
4410 	else
4411 		*min_valid = false;
4412 
4413 	if (*max_bw & I40E_ALT_BW_VALID_MASK)
4414 		*max_valid = true;
4415 	else
4416 		*max_valid = false;
4417 
4418 	return status;
4419 }
4420 
4421 /**
4422  * i40e_aq_configure_partition_bw
4423  * @hw: pointer to the hardware structure
4424  * @bw_data: Buffer holding valid pfs and bw limits
4425  * @cmd_details: pointer to command details
4426  *
4427  * Configure partitions guaranteed/max bw
4428  **/
4429 i40e_status i40e_aq_configure_partition_bw(struct i40e_hw *hw,
4430 			struct i40e_aqc_configure_partition_bw_data *bw_data,
4431 			struct i40e_asq_cmd_details *cmd_details)
4432 {
4433 	i40e_status status;
4434 	struct i40e_aq_desc desc;
4435 	u16 bwd_size = sizeof(*bw_data);
4436 
4437 	i40e_fill_default_direct_cmd_desc(&desc,
4438 					  i40e_aqc_opc_configure_partition_bw);
4439 
4440 	/* Indirect command */
4441 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
4442 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_RD);
4443 
4444 	if (bwd_size > I40E_AQ_LARGE_BUF)
4445 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
4446 
4447 	desc.datalen = cpu_to_le16(bwd_size);
4448 
4449 	status = i40e_asq_send_command(hw, &desc, bw_data, bwd_size,
4450 				       cmd_details);
4451 
4452 	return status;
4453 }
4454 
4455 /**
4456  * i40e_read_phy_register_clause22
4457  * @hw: pointer to the HW structure
4458  * @reg: register address in the page
4459  * @phy_adr: PHY address on MDIO interface
4460  * @value: PHY register value
4461  *
4462  * Reads specified PHY register value
4463  **/
4464 i40e_status i40e_read_phy_register_clause22(struct i40e_hw *hw,
4465 					    u16 reg, u8 phy_addr, u16 *value)
4466 {
4467 	i40e_status status = I40E_ERR_TIMEOUT;
4468 	u8 port_num = (u8)hw->func_caps.mdio_port_num;
4469 	u32 command = 0;
4470 	u16 retry = 1000;
4471 
4472 	command = (reg << I40E_GLGEN_MSCA_DEVADD_SHIFT) |
4473 		  (phy_addr << I40E_GLGEN_MSCA_PHYADD_SHIFT) |
4474 		  (I40E_MDIO_CLAUSE22_OPCODE_READ_MASK) |
4475 		  (I40E_MDIO_CLAUSE22_STCODE_MASK) |
4476 		  (I40E_GLGEN_MSCA_MDICMD_MASK);
4477 	wr32(hw, I40E_GLGEN_MSCA(port_num), command);
4478 	do {
4479 		command = rd32(hw, I40E_GLGEN_MSCA(port_num));
4480 		if (!(command & I40E_GLGEN_MSCA_MDICMD_MASK)) {
4481 			status = 0;
4482 			break;
4483 		}
4484 		udelay(10);
4485 		retry--;
4486 	} while (retry);
4487 
4488 	if (status) {
4489 		i40e_debug(hw, I40E_DEBUG_PHY,
4490 			   "PHY: Can't write command to external PHY.\n");
4491 	} else {
4492 		command = rd32(hw, I40E_GLGEN_MSRWD(port_num));
4493 		*value = (command & I40E_GLGEN_MSRWD_MDIRDDATA_MASK) >>
4494 			 I40E_GLGEN_MSRWD_MDIRDDATA_SHIFT;
4495 	}
4496 
4497 	return status;
4498 }
4499 
4500 /**
4501  * i40e_write_phy_register_clause22
4502  * @hw: pointer to the HW structure
4503  * @reg: register address in the page
4504  * @phy_adr: PHY address on MDIO interface
4505  * @value: PHY register value
4506  *
4507  * Writes specified PHY register value
4508  **/
4509 i40e_status i40e_write_phy_register_clause22(struct i40e_hw *hw,
4510 					     u16 reg, u8 phy_addr, u16 value)
4511 {
4512 	i40e_status status = I40E_ERR_TIMEOUT;
4513 	u8 port_num = (u8)hw->func_caps.mdio_port_num;
4514 	u32 command  = 0;
4515 	u16 retry = 1000;
4516 
4517 	command = value << I40E_GLGEN_MSRWD_MDIWRDATA_SHIFT;
4518 	wr32(hw, I40E_GLGEN_MSRWD(port_num), command);
4519 
4520 	command = (reg << I40E_GLGEN_MSCA_DEVADD_SHIFT) |
4521 		  (phy_addr << I40E_GLGEN_MSCA_PHYADD_SHIFT) |
4522 		  (I40E_MDIO_CLAUSE22_OPCODE_WRITE_MASK) |
4523 		  (I40E_MDIO_CLAUSE22_STCODE_MASK) |
4524 		  (I40E_GLGEN_MSCA_MDICMD_MASK);
4525 
4526 	wr32(hw, I40E_GLGEN_MSCA(port_num), command);
4527 	do {
4528 		command = rd32(hw, I40E_GLGEN_MSCA(port_num));
4529 		if (!(command & I40E_GLGEN_MSCA_MDICMD_MASK)) {
4530 			status = 0;
4531 			break;
4532 		}
4533 		udelay(10);
4534 		retry--;
4535 	} while (retry);
4536 
4537 	return status;
4538 }
4539 
4540 /**
4541  * i40e_read_phy_register_clause45
4542  * @hw: pointer to the HW structure
4543  * @page: registers page number
4544  * @reg: register address in the page
4545  * @phy_adr: PHY address on MDIO interface
4546  * @value: PHY register value
4547  *
4548  * Reads specified PHY register value
4549  **/
4550 i40e_status i40e_read_phy_register_clause45(struct i40e_hw *hw,
4551 				u8 page, u16 reg, u8 phy_addr, u16 *value)
4552 {
4553 	i40e_status status = I40E_ERR_TIMEOUT;
4554 	u32 command = 0;
4555 	u16 retry = 1000;
4556 	u8 port_num = hw->func_caps.mdio_port_num;
4557 
4558 	command = (reg << I40E_GLGEN_MSCA_MDIADD_SHIFT) |
4559 		  (page << I40E_GLGEN_MSCA_DEVADD_SHIFT) |
4560 		  (phy_addr << I40E_GLGEN_MSCA_PHYADD_SHIFT) |
4561 		  (I40E_MDIO_CLAUSE45_OPCODE_ADDRESS_MASK) |
4562 		  (I40E_MDIO_CLAUSE45_STCODE_MASK) |
4563 		  (I40E_GLGEN_MSCA_MDICMD_MASK) |
4564 		  (I40E_GLGEN_MSCA_MDIINPROGEN_MASK);
4565 	wr32(hw, I40E_GLGEN_MSCA(port_num), command);
4566 	do {
4567 		command = rd32(hw, I40E_GLGEN_MSCA(port_num));
4568 		if (!(command & I40E_GLGEN_MSCA_MDICMD_MASK)) {
4569 			status = 0;
4570 			break;
4571 		}
4572 		usleep_range(10, 20);
4573 		retry--;
4574 	} while (retry);
4575 
4576 	if (status) {
4577 		i40e_debug(hw, I40E_DEBUG_PHY,
4578 			   "PHY: Can't write command to external PHY.\n");
4579 		goto phy_read_end;
4580 	}
4581 
4582 	command = (page << I40E_GLGEN_MSCA_DEVADD_SHIFT) |
4583 		  (phy_addr << I40E_GLGEN_MSCA_PHYADD_SHIFT) |
4584 		  (I40E_MDIO_CLAUSE45_OPCODE_READ_MASK) |
4585 		  (I40E_MDIO_CLAUSE45_STCODE_MASK) |
4586 		  (I40E_GLGEN_MSCA_MDICMD_MASK) |
4587 		  (I40E_GLGEN_MSCA_MDIINPROGEN_MASK);
4588 	status = I40E_ERR_TIMEOUT;
4589 	retry = 1000;
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 		command = rd32(hw, I40E_GLGEN_MSRWD(port_num));
4603 		*value = (command & I40E_GLGEN_MSRWD_MDIRDDATA_MASK) >>
4604 			 I40E_GLGEN_MSRWD_MDIRDDATA_SHIFT;
4605 	} else {
4606 		i40e_debug(hw, I40E_DEBUG_PHY,
4607 			   "PHY: Can't read register value from external PHY.\n");
4608 	}
4609 
4610 phy_read_end:
4611 	return status;
4612 }
4613 
4614 /**
4615  * i40e_write_phy_register_clause45
4616  * @hw: pointer to the HW structure
4617  * @page: registers page number
4618  * @reg: register address in the page
4619  * @phy_adr: PHY address on MDIO interface
4620  * @value: PHY register value
4621  *
4622  * Writes value to specified PHY register
4623  **/
4624 i40e_status i40e_write_phy_register_clause45(struct i40e_hw *hw,
4625 				u8 page, u16 reg, u8 phy_addr, u16 value)
4626 {
4627 	i40e_status status = I40E_ERR_TIMEOUT;
4628 	u32 command = 0;
4629 	u16 retry = 1000;
4630 	u8 port_num = hw->func_caps.mdio_port_num;
4631 
4632 	command = (reg << I40E_GLGEN_MSCA_MDIADD_SHIFT) |
4633 		  (page << I40E_GLGEN_MSCA_DEVADD_SHIFT) |
4634 		  (phy_addr << I40E_GLGEN_MSCA_PHYADD_SHIFT) |
4635 		  (I40E_MDIO_CLAUSE45_OPCODE_ADDRESS_MASK) |
4636 		  (I40E_MDIO_CLAUSE45_STCODE_MASK) |
4637 		  (I40E_GLGEN_MSCA_MDICMD_MASK) |
4638 		  (I40E_GLGEN_MSCA_MDIINPROGEN_MASK);
4639 	wr32(hw, I40E_GLGEN_MSCA(port_num), command);
4640 	do {
4641 		command = rd32(hw, I40E_GLGEN_MSCA(port_num));
4642 		if (!(command & I40E_GLGEN_MSCA_MDICMD_MASK)) {
4643 			status = 0;
4644 			break;
4645 		}
4646 		usleep_range(10, 20);
4647 		retry--;
4648 	} while (retry);
4649 	if (status) {
4650 		i40e_debug(hw, I40E_DEBUG_PHY,
4651 			   "PHY: Can't write command to external PHY.\n");
4652 		goto phy_write_end;
4653 	}
4654 
4655 	command = value << I40E_GLGEN_MSRWD_MDIWRDATA_SHIFT;
4656 	wr32(hw, I40E_GLGEN_MSRWD(port_num), command);
4657 
4658 	command = (page << I40E_GLGEN_MSCA_DEVADD_SHIFT) |
4659 		  (phy_addr << I40E_GLGEN_MSCA_PHYADD_SHIFT) |
4660 		  (I40E_MDIO_CLAUSE45_OPCODE_WRITE_MASK) |
4661 		  (I40E_MDIO_CLAUSE45_STCODE_MASK) |
4662 		  (I40E_GLGEN_MSCA_MDICMD_MASK) |
4663 		  (I40E_GLGEN_MSCA_MDIINPROGEN_MASK);
4664 	status = I40E_ERR_TIMEOUT;
4665 	retry = 1000;
4666 	wr32(hw, I40E_GLGEN_MSCA(port_num), command);
4667 	do {
4668 		command = rd32(hw, I40E_GLGEN_MSCA(port_num));
4669 		if (!(command & I40E_GLGEN_MSCA_MDICMD_MASK)) {
4670 			status = 0;
4671 			break;
4672 		}
4673 		usleep_range(10, 20);
4674 		retry--;
4675 	} while (retry);
4676 
4677 phy_write_end:
4678 	return status;
4679 }
4680 
4681 /**
4682  * i40e_write_phy_register
4683  * @hw: pointer to the HW structure
4684  * @page: registers page number
4685  * @reg: register address in the page
4686  * @phy_adr: PHY address on MDIO interface
4687  * @value: PHY register value
4688  *
4689  * Writes value to specified PHY register
4690  **/
4691 i40e_status i40e_write_phy_register(struct i40e_hw *hw,
4692 				    u8 page, u16 reg, u8 phy_addr, u16 value)
4693 {
4694 	i40e_status status;
4695 
4696 	switch (hw->device_id) {
4697 	case I40E_DEV_ID_1G_BASE_T_X722:
4698 		status = i40e_write_phy_register_clause22(hw, reg, phy_addr,
4699 							  value);
4700 		break;
4701 	case I40E_DEV_ID_10G_BASE_T:
4702 	case I40E_DEV_ID_10G_BASE_T4:
4703 	case I40E_DEV_ID_10G_BASE_T_X722:
4704 	case I40E_DEV_ID_25G_B:
4705 	case I40E_DEV_ID_25G_SFP28:
4706 		status = i40e_write_phy_register_clause45(hw, page, reg,
4707 							  phy_addr, value);
4708 		break;
4709 	default:
4710 		status = I40E_ERR_UNKNOWN_PHY;
4711 		break;
4712 	}
4713 
4714 	return status;
4715 }
4716 
4717 /**
4718  * i40e_read_phy_register
4719  * @hw: pointer to the HW structure
4720  * @page: registers page number
4721  * @reg: register address in the page
4722  * @phy_adr: PHY address on MDIO interface
4723  * @value: PHY register value
4724  *
4725  * Reads specified PHY register value
4726  **/
4727 i40e_status i40e_read_phy_register(struct i40e_hw *hw,
4728 				   u8 page, u16 reg, u8 phy_addr, u16 *value)
4729 {
4730 	i40e_status status;
4731 
4732 	switch (hw->device_id) {
4733 	case I40E_DEV_ID_1G_BASE_T_X722:
4734 		status = i40e_read_phy_register_clause22(hw, reg, phy_addr,
4735 							 value);
4736 		break;
4737 	case I40E_DEV_ID_10G_BASE_T:
4738 	case I40E_DEV_ID_10G_BASE_T4:
4739 	case I40E_DEV_ID_10G_BASE_T_X722:
4740 	case I40E_DEV_ID_25G_B:
4741 	case I40E_DEV_ID_25G_SFP28:
4742 		status = i40e_read_phy_register_clause45(hw, page, reg,
4743 							 phy_addr, value);
4744 		break;
4745 	default:
4746 		status = I40E_ERR_UNKNOWN_PHY;
4747 		break;
4748 	}
4749 
4750 	return status;
4751 }
4752 
4753 /**
4754  * i40e_get_phy_address
4755  * @hw: pointer to the HW structure
4756  * @dev_num: PHY port num that address we want
4757  * @phy_addr: Returned PHY address
4758  *
4759  * Gets PHY address for current port
4760  **/
4761 u8 i40e_get_phy_address(struct i40e_hw *hw, u8 dev_num)
4762 {
4763 	u8 port_num = hw->func_caps.mdio_port_num;
4764 	u32 reg_val = rd32(hw, I40E_GLGEN_MDIO_I2C_SEL(port_num));
4765 
4766 	return (u8)(reg_val >> ((dev_num + 1) * 5)) & 0x1f;
4767 }
4768 
4769 /**
4770  * i40e_blink_phy_led
4771  * @hw: pointer to the HW structure
4772  * @time: time how long led will blinks in secs
4773  * @interval: gap between LED on and off in msecs
4774  *
4775  * Blinks PHY link LED
4776  **/
4777 i40e_status i40e_blink_phy_link_led(struct i40e_hw *hw,
4778 				    u32 time, u32 interval)
4779 {
4780 	i40e_status status = 0;
4781 	u32 i;
4782 	u16 led_ctl;
4783 	u16 gpio_led_port;
4784 	u16 led_reg;
4785 	u16 led_addr = I40E_PHY_LED_PROV_REG_1;
4786 	u8 phy_addr = 0;
4787 	u8 port_num;
4788 
4789 	i = rd32(hw, I40E_PFGEN_PORTNUM);
4790 	port_num = (u8)(i & I40E_PFGEN_PORTNUM_PORT_NUM_MASK);
4791 	phy_addr = i40e_get_phy_address(hw, port_num);
4792 
4793 	for (gpio_led_port = 0; gpio_led_port < 3; gpio_led_port++,
4794 	     led_addr++) {
4795 		status = i40e_read_phy_register_clause45(hw,
4796 							 I40E_PHY_COM_REG_PAGE,
4797 							 led_addr, phy_addr,
4798 							 &led_reg);
4799 		if (status)
4800 			goto phy_blinking_end;
4801 		led_ctl = led_reg;
4802 		if (led_reg & I40E_PHY_LED_LINK_MODE_MASK) {
4803 			led_reg = 0;
4804 			status = i40e_write_phy_register_clause45(hw,
4805 							 I40E_PHY_COM_REG_PAGE,
4806 							 led_addr, phy_addr,
4807 							 led_reg);
4808 			if (status)
4809 				goto phy_blinking_end;
4810 			break;
4811 		}
4812 	}
4813 
4814 	if (time > 0 && interval > 0) {
4815 		for (i = 0; i < time * 1000; i += interval) {
4816 			status = i40e_read_phy_register_clause45(hw,
4817 						I40E_PHY_COM_REG_PAGE,
4818 						led_addr, phy_addr, &led_reg);
4819 			if (status)
4820 				goto restore_config;
4821 			if (led_reg & I40E_PHY_LED_MANUAL_ON)
4822 				led_reg = 0;
4823 			else
4824 				led_reg = I40E_PHY_LED_MANUAL_ON;
4825 			status = i40e_write_phy_register_clause45(hw,
4826 						I40E_PHY_COM_REG_PAGE,
4827 						led_addr, phy_addr, led_reg);
4828 			if (status)
4829 				goto restore_config;
4830 			msleep(interval);
4831 		}
4832 	}
4833 
4834 restore_config:
4835 	status = i40e_write_phy_register_clause45(hw,
4836 						  I40E_PHY_COM_REG_PAGE,
4837 						  led_addr, phy_addr, led_ctl);
4838 
4839 phy_blinking_end:
4840 	return status;
4841 }
4842 
4843 /**
4844  * i40e_led_get_reg - read LED register
4845  * @hw: pointer to the HW structure
4846  * @led_addr: LED register address
4847  * @reg_val: read register value
4848  **/
4849 static enum i40e_status_code i40e_led_get_reg(struct i40e_hw *hw, u16 led_addr,
4850 					      u32 *reg_val)
4851 {
4852 	enum i40e_status_code status;
4853 	u8 phy_addr = 0;
4854 	u8 port_num;
4855 	u32 i;
4856 
4857 	*reg_val = 0;
4858 	if (hw->flags & I40E_HW_FLAG_AQ_PHY_ACCESS_CAPABLE) {
4859 		status =
4860 		       i40e_aq_get_phy_register(hw,
4861 						I40E_AQ_PHY_REG_ACCESS_EXTERNAL,
4862 						I40E_PHY_COM_REG_PAGE,
4863 						I40E_PHY_LED_PROV_REG_1,
4864 						reg_val, NULL);
4865 	} else {
4866 		i = rd32(hw, I40E_PFGEN_PORTNUM);
4867 		port_num = (u8)(i & I40E_PFGEN_PORTNUM_PORT_NUM_MASK);
4868 		phy_addr = i40e_get_phy_address(hw, port_num);
4869 		status = i40e_read_phy_register_clause45(hw,
4870 							 I40E_PHY_COM_REG_PAGE,
4871 							 led_addr, phy_addr,
4872 							 (u16 *)reg_val);
4873 	}
4874 	return status;
4875 }
4876 
4877 /**
4878  * i40e_led_set_reg - write LED register
4879  * @hw: pointer to the HW structure
4880  * @led_addr: LED register address
4881  * @reg_val: register value to write
4882  **/
4883 static enum i40e_status_code i40e_led_set_reg(struct i40e_hw *hw, u16 led_addr,
4884 					      u32 reg_val)
4885 {
4886 	enum i40e_status_code status;
4887 	u8 phy_addr = 0;
4888 	u8 port_num;
4889 	u32 i;
4890 
4891 	if (hw->flags & I40E_HW_FLAG_AQ_PHY_ACCESS_CAPABLE) {
4892 		status =
4893 		       i40e_aq_set_phy_register(hw,
4894 						I40E_AQ_PHY_REG_ACCESS_EXTERNAL,
4895 						I40E_PHY_COM_REG_PAGE,
4896 						I40E_PHY_LED_PROV_REG_1,
4897 						reg_val, NULL);
4898 	} else {
4899 		i = rd32(hw, I40E_PFGEN_PORTNUM);
4900 		port_num = (u8)(i & I40E_PFGEN_PORTNUM_PORT_NUM_MASK);
4901 		phy_addr = i40e_get_phy_address(hw, port_num);
4902 		status = i40e_write_phy_register_clause45(hw,
4903 							  I40E_PHY_COM_REG_PAGE,
4904 							  led_addr, phy_addr,
4905 							  (u16)reg_val);
4906 	}
4907 
4908 	return status;
4909 }
4910 
4911 /**
4912  * i40e_led_get_phy - return current on/off mode
4913  * @hw: pointer to the hw struct
4914  * @led_addr: address of led register to use
4915  * @val: original value of register to use
4916  *
4917  **/
4918 i40e_status i40e_led_get_phy(struct i40e_hw *hw, u16 *led_addr,
4919 			     u16 *val)
4920 {
4921 	i40e_status status = 0;
4922 	u16 gpio_led_port;
4923 	u8 phy_addr = 0;
4924 	u16 reg_val;
4925 	u16 temp_addr;
4926 	u8 port_num;
4927 	u32 i;
4928 	u32 reg_val_aq;
4929 
4930 	if (hw->flags & I40E_HW_FLAG_AQ_PHY_ACCESS_CAPABLE) {
4931 		status =
4932 		      i40e_aq_get_phy_register(hw,
4933 					       I40E_AQ_PHY_REG_ACCESS_EXTERNAL,
4934 					       I40E_PHY_COM_REG_PAGE,
4935 					       I40E_PHY_LED_PROV_REG_1,
4936 					       &reg_val_aq, NULL);
4937 		if (status == I40E_SUCCESS)
4938 			*val = (u16)reg_val_aq;
4939 		return status;
4940 	}
4941 	temp_addr = I40E_PHY_LED_PROV_REG_1;
4942 	i = rd32(hw, I40E_PFGEN_PORTNUM);
4943 	port_num = (u8)(i & I40E_PFGEN_PORTNUM_PORT_NUM_MASK);
4944 	phy_addr = i40e_get_phy_address(hw, port_num);
4945 
4946 	for (gpio_led_port = 0; gpio_led_port < 3; gpio_led_port++,
4947 	     temp_addr++) {
4948 		status = i40e_read_phy_register_clause45(hw,
4949 							 I40E_PHY_COM_REG_PAGE,
4950 							 temp_addr, phy_addr,
4951 							 &reg_val);
4952 		if (status)
4953 			return status;
4954 		*val = reg_val;
4955 		if (reg_val & I40E_PHY_LED_LINK_MODE_MASK) {
4956 			*led_addr = temp_addr;
4957 			break;
4958 		}
4959 	}
4960 	return status;
4961 }
4962 
4963 /**
4964  * i40e_led_set_phy
4965  * @hw: pointer to the HW structure
4966  * @on: true or false
4967  * @mode: original val plus bit for set or ignore
4968  * Set led's on or off when controlled by the PHY
4969  *
4970  **/
4971 i40e_status i40e_led_set_phy(struct i40e_hw *hw, bool on,
4972 			     u16 led_addr, u32 mode)
4973 {
4974 	i40e_status status = 0;
4975 	u32 led_ctl = 0;
4976 	u32 led_reg = 0;
4977 
4978 	status = i40e_led_get_reg(hw, led_addr, &led_reg);
4979 	if (status)
4980 		return status;
4981 	led_ctl = led_reg;
4982 	if (led_reg & I40E_PHY_LED_LINK_MODE_MASK) {
4983 		led_reg = 0;
4984 		status = i40e_led_set_reg(hw, led_addr, led_reg);
4985 		if (status)
4986 			return status;
4987 	}
4988 	status = i40e_led_get_reg(hw, led_addr, &led_reg);
4989 	if (status)
4990 		goto restore_config;
4991 	if (on)
4992 		led_reg = I40E_PHY_LED_MANUAL_ON;
4993 	else
4994 		led_reg = 0;
4995 
4996 	status = i40e_led_set_reg(hw, led_addr, led_reg);
4997 	if (status)
4998 		goto restore_config;
4999 	if (mode & I40E_PHY_LED_MODE_ORIG) {
5000 		led_ctl = (mode & I40E_PHY_LED_MODE_MASK);
5001 		status = i40e_led_set_reg(hw, led_addr, led_ctl);
5002 	}
5003 	return status;
5004 
5005 restore_config:
5006 	status = i40e_led_set_reg(hw, led_addr, led_ctl);
5007 	return status;
5008 }
5009 
5010 /**
5011  * i40e_aq_rx_ctl_read_register - use FW to read from an Rx control register
5012  * @hw: pointer to the hw struct
5013  * @reg_addr: register address
5014  * @reg_val: ptr to register value
5015  * @cmd_details: pointer to command details structure or NULL
5016  *
5017  * Use the firmware to read the Rx control register,
5018  * especially useful if the Rx unit is under heavy pressure
5019  **/
5020 i40e_status i40e_aq_rx_ctl_read_register(struct i40e_hw *hw,
5021 				u32 reg_addr, u32 *reg_val,
5022 				struct i40e_asq_cmd_details *cmd_details)
5023 {
5024 	struct i40e_aq_desc desc;
5025 	struct i40e_aqc_rx_ctl_reg_read_write *cmd_resp =
5026 		(struct i40e_aqc_rx_ctl_reg_read_write *)&desc.params.raw;
5027 	i40e_status status;
5028 
5029 	if (!reg_val)
5030 		return I40E_ERR_PARAM;
5031 
5032 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_rx_ctl_reg_read);
5033 
5034 	cmd_resp->address = cpu_to_le32(reg_addr);
5035 
5036 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
5037 
5038 	if (status == 0)
5039 		*reg_val = le32_to_cpu(cmd_resp->value);
5040 
5041 	return status;
5042 }
5043 
5044 /**
5045  * i40e_read_rx_ctl - read from an Rx control register
5046  * @hw: pointer to the hw struct
5047  * @reg_addr: register address
5048  **/
5049 u32 i40e_read_rx_ctl(struct i40e_hw *hw, u32 reg_addr)
5050 {
5051 	i40e_status status = 0;
5052 	bool use_register;
5053 	int retry = 5;
5054 	u32 val = 0;
5055 
5056 	use_register = (((hw->aq.api_maj_ver == 1) &&
5057 			(hw->aq.api_min_ver < 5)) ||
5058 			(hw->mac.type == I40E_MAC_X722));
5059 	if (!use_register) {
5060 do_retry:
5061 		status = i40e_aq_rx_ctl_read_register(hw, reg_addr, &val, NULL);
5062 		if (hw->aq.asq_last_status == I40E_AQ_RC_EAGAIN && retry) {
5063 			usleep_range(1000, 2000);
5064 			retry--;
5065 			goto do_retry;
5066 		}
5067 	}
5068 
5069 	/* if the AQ access failed, try the old-fashioned way */
5070 	if (status || use_register)
5071 		val = rd32(hw, reg_addr);
5072 
5073 	return val;
5074 }
5075 
5076 /**
5077  * i40e_aq_rx_ctl_write_register
5078  * @hw: pointer to the hw struct
5079  * @reg_addr: register address
5080  * @reg_val: register value
5081  * @cmd_details: pointer to command details structure or NULL
5082  *
5083  * Use the firmware to write to an Rx control register,
5084  * especially useful if the Rx unit is under heavy pressure
5085  **/
5086 i40e_status i40e_aq_rx_ctl_write_register(struct i40e_hw *hw,
5087 				u32 reg_addr, u32 reg_val,
5088 				struct i40e_asq_cmd_details *cmd_details)
5089 {
5090 	struct i40e_aq_desc desc;
5091 	struct i40e_aqc_rx_ctl_reg_read_write *cmd =
5092 		(struct i40e_aqc_rx_ctl_reg_read_write *)&desc.params.raw;
5093 	i40e_status status;
5094 
5095 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_rx_ctl_reg_write);
5096 
5097 	cmd->address = cpu_to_le32(reg_addr);
5098 	cmd->value = cpu_to_le32(reg_val);
5099 
5100 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
5101 
5102 	return status;
5103 }
5104 
5105 /**
5106  * i40e_write_rx_ctl - write to an Rx control register
5107  * @hw: pointer to the hw struct
5108  * @reg_addr: register address
5109  * @reg_val: register value
5110  **/
5111 void i40e_write_rx_ctl(struct i40e_hw *hw, u32 reg_addr, u32 reg_val)
5112 {
5113 	i40e_status status = 0;
5114 	bool use_register;
5115 	int retry = 5;
5116 
5117 	use_register = (((hw->aq.api_maj_ver == 1) &&
5118 			(hw->aq.api_min_ver < 5)) ||
5119 			(hw->mac.type == I40E_MAC_X722));
5120 	if (!use_register) {
5121 do_retry:
5122 		status = i40e_aq_rx_ctl_write_register(hw, reg_addr,
5123 						       reg_val, NULL);
5124 		if (hw->aq.asq_last_status == I40E_AQ_RC_EAGAIN && retry) {
5125 			usleep_range(1000, 2000);
5126 			retry--;
5127 			goto do_retry;
5128 		}
5129 	}
5130 
5131 	/* if the AQ access failed, try the old-fashioned way */
5132 	if (status || use_register)
5133 		wr32(hw, reg_addr, reg_val);
5134 }
5135 
5136 /**
5137  * i40e_aq_set_phy_register
5138  * @hw: pointer to the hw struct
5139  * @phy_select: select which phy should be accessed
5140  * @dev_addr: PHY device address
5141  * @reg_addr: PHY register address
5142  * @reg_val: new register value
5143  * @cmd_details: pointer to command details structure or NULL
5144  *
5145  * Write the external PHY register.
5146  **/
5147 i40e_status i40e_aq_set_phy_register(struct i40e_hw *hw,
5148 				     u8 phy_select, u8 dev_addr,
5149 				     u32 reg_addr, u32 reg_val,
5150 				     struct i40e_asq_cmd_details *cmd_details)
5151 {
5152 	struct i40e_aq_desc desc;
5153 	struct i40e_aqc_phy_register_access *cmd =
5154 		(struct i40e_aqc_phy_register_access *)&desc.params.raw;
5155 	i40e_status status;
5156 
5157 	i40e_fill_default_direct_cmd_desc(&desc,
5158 					  i40e_aqc_opc_set_phy_register);
5159 
5160 	cmd->phy_interface = phy_select;
5161 	cmd->dev_address = dev_addr;
5162 	cmd->reg_address = cpu_to_le32(reg_addr);
5163 	cmd->reg_value = cpu_to_le32(reg_val);
5164 
5165 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
5166 
5167 	return status;
5168 }
5169 
5170 /**
5171  * i40e_aq_get_phy_register
5172  * @hw: pointer to the hw struct
5173  * @phy_select: select which phy should be accessed
5174  * @dev_addr: PHY device address
5175  * @reg_addr: PHY register address
5176  * @reg_val: read register value
5177  * @cmd_details: pointer to command details structure or NULL
5178  *
5179  * Read the external PHY register.
5180  **/
5181 i40e_status i40e_aq_get_phy_register(struct i40e_hw *hw,
5182 				     u8 phy_select, u8 dev_addr,
5183 				     u32 reg_addr, u32 *reg_val,
5184 				     struct i40e_asq_cmd_details *cmd_details)
5185 {
5186 	struct i40e_aq_desc desc;
5187 	struct i40e_aqc_phy_register_access *cmd =
5188 		(struct i40e_aqc_phy_register_access *)&desc.params.raw;
5189 	i40e_status status;
5190 
5191 	i40e_fill_default_direct_cmd_desc(&desc,
5192 					  i40e_aqc_opc_get_phy_register);
5193 
5194 	cmd->phy_interface = phy_select;
5195 	cmd->dev_address = dev_addr;
5196 	cmd->reg_address = cpu_to_le32(reg_addr);
5197 
5198 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
5199 	if (!status)
5200 		*reg_val = le32_to_cpu(cmd->reg_value);
5201 
5202 	return status;
5203 }
5204 
5205 /**
5206  * i40e_aq_write_ppp - Write pipeline personalization profile (ppp)
5207  * @hw: pointer to the hw struct
5208  * @buff: command buffer (size in bytes = buff_size)
5209  * @buff_size: buffer size in bytes
5210  * @track_id: package tracking id
5211  * @error_offset: returns error offset
5212  * @error_info: returns error information
5213  * @cmd_details: pointer to command details structure or NULL
5214  **/
5215 enum
5216 i40e_status_code i40e_aq_write_ppp(struct i40e_hw *hw, void *buff,
5217 				   u16 buff_size, u32 track_id,
5218 				   u32 *error_offset, u32 *error_info,
5219 				   struct i40e_asq_cmd_details *cmd_details)
5220 {
5221 	struct i40e_aq_desc desc;
5222 	struct i40e_aqc_write_personalization_profile *cmd =
5223 		(struct i40e_aqc_write_personalization_profile *)
5224 		&desc.params.raw;
5225 	struct i40e_aqc_write_ppp_resp *resp;
5226 	i40e_status status;
5227 
5228 	i40e_fill_default_direct_cmd_desc(&desc,
5229 					  i40e_aqc_opc_write_personalization_profile);
5230 
5231 	desc.flags |= cpu_to_le16(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD);
5232 	if (buff_size > I40E_AQ_LARGE_BUF)
5233 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
5234 
5235 	desc.datalen = cpu_to_le16(buff_size);
5236 
5237 	cmd->profile_track_id = cpu_to_le32(track_id);
5238 
5239 	status = i40e_asq_send_command(hw, &desc, buff, buff_size, cmd_details);
5240 	if (!status) {
5241 		resp = (struct i40e_aqc_write_ppp_resp *)&desc.params.raw;
5242 		if (error_offset)
5243 			*error_offset = le32_to_cpu(resp->error_offset);
5244 		if (error_info)
5245 			*error_info = le32_to_cpu(resp->error_info);
5246 	}
5247 
5248 	return status;
5249 }
5250 
5251 /**
5252  * i40e_aq_get_ppp_list - Read pipeline personalization profile (ppp)
5253  * @hw: pointer to the hw struct
5254  * @buff: command buffer (size in bytes = buff_size)
5255  * @buff_size: buffer size in bytes
5256  * @cmd_details: pointer to command details structure or NULL
5257  **/
5258 enum
5259 i40e_status_code i40e_aq_get_ppp_list(struct i40e_hw *hw, void *buff,
5260 				      u16 buff_size, u8 flags,
5261 				      struct i40e_asq_cmd_details *cmd_details)
5262 {
5263 	struct i40e_aq_desc desc;
5264 	struct i40e_aqc_get_applied_profiles *cmd =
5265 		(struct i40e_aqc_get_applied_profiles *)&desc.params.raw;
5266 	i40e_status status;
5267 
5268 	i40e_fill_default_direct_cmd_desc(&desc,
5269 					  i40e_aqc_opc_get_personalization_profile_list);
5270 
5271 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
5272 	if (buff_size > I40E_AQ_LARGE_BUF)
5273 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
5274 	desc.datalen = cpu_to_le16(buff_size);
5275 
5276 	cmd->flags = flags;
5277 
5278 	status = i40e_asq_send_command(hw, &desc, buff, buff_size, cmd_details);
5279 
5280 	return status;
5281 }
5282 
5283 /**
5284  * i40e_find_segment_in_package
5285  * @segment_type: the segment type to search for (i.e., SEGMENT_TYPE_I40E)
5286  * @pkg_hdr: pointer to the package header to be searched
5287  *
5288  * This function searches a package file for a particular segment type. On
5289  * success it returns a pointer to the segment header, otherwise it will
5290  * return NULL.
5291  **/
5292 struct i40e_generic_seg_header *
5293 i40e_find_segment_in_package(u32 segment_type,
5294 			     struct i40e_package_header *pkg_hdr)
5295 {
5296 	struct i40e_generic_seg_header *segment;
5297 	u32 i;
5298 
5299 	/* Search all package segments for the requested segment type */
5300 	for (i = 0; i < pkg_hdr->segment_count; i++) {
5301 		segment =
5302 			(struct i40e_generic_seg_header *)((u8 *)pkg_hdr +
5303 			 pkg_hdr->segment_offset[i]);
5304 
5305 		if (segment->type == segment_type)
5306 			return segment;
5307 	}
5308 
5309 	return NULL;
5310 }
5311 
5312 /**
5313  * i40e_write_profile
5314  * @hw: pointer to the hardware structure
5315  * @profile: pointer to the profile segment of the package to be downloaded
5316  * @track_id: package tracking id
5317  *
5318  * Handles the download of a complete package.
5319  */
5320 enum i40e_status_code
5321 i40e_write_profile(struct i40e_hw *hw, struct i40e_profile_segment *profile,
5322 		   u32 track_id)
5323 {
5324 	i40e_status status = 0;
5325 	struct i40e_section_table *sec_tbl;
5326 	struct i40e_profile_section_header *sec = NULL;
5327 	u32 dev_cnt;
5328 	u32 vendor_dev_id;
5329 	u32 *nvm;
5330 	u32 section_size = 0;
5331 	u32 offset = 0, info = 0;
5332 	u32 i;
5333 
5334 	if (!track_id) {
5335 		i40e_debug(hw, I40E_DEBUG_PACKAGE, "Track_id can't be 0.");
5336 		return I40E_NOT_SUPPORTED;
5337 	}
5338 
5339 	dev_cnt = profile->device_table_count;
5340 
5341 	for (i = 0; i < dev_cnt; i++) {
5342 		vendor_dev_id = profile->device_table[i].vendor_dev_id;
5343 		if ((vendor_dev_id >> 16) == PCI_VENDOR_ID_INTEL)
5344 			if (hw->device_id == (vendor_dev_id & 0xFFFF))
5345 				break;
5346 	}
5347 	if (i == dev_cnt) {
5348 		i40e_debug(hw, I40E_DEBUG_PACKAGE, "Device doesn't support PPP");
5349 		return I40E_ERR_DEVICE_NOT_SUPPORTED;
5350 	}
5351 
5352 	nvm = (u32 *)&profile->device_table[dev_cnt];
5353 	sec_tbl = (struct i40e_section_table *)&nvm[nvm[0] + 1];
5354 
5355 	for (i = 0; i < sec_tbl->section_count; i++) {
5356 		sec = (struct i40e_profile_section_header *)((u8 *)profile +
5357 					     sec_tbl->section_offset[i]);
5358 
5359 		/* Skip 'AQ', 'note' and 'name' sections */
5360 		if (sec->section.type != SECTION_TYPE_MMIO)
5361 			continue;
5362 
5363 		section_size = sec->section.size +
5364 			sizeof(struct i40e_profile_section_header);
5365 
5366 		/* Write profile */
5367 		status = i40e_aq_write_ppp(hw, (void *)sec, (u16)section_size,
5368 					   track_id, &offset, &info, NULL);
5369 		if (status) {
5370 			i40e_debug(hw, I40E_DEBUG_PACKAGE,
5371 				   "Failed to write profile: offset %d, info %d",
5372 				   offset, info);
5373 			break;
5374 		}
5375 	}
5376 	return status;
5377 }
5378 
5379 /**
5380  * i40e_add_pinfo_to_list
5381  * @hw: pointer to the hardware structure
5382  * @profile: pointer to the profile segment of the package
5383  * @profile_info_sec: buffer for information section
5384  * @track_id: package tracking id
5385  *
5386  * Register a profile to the list of loaded profiles.
5387  */
5388 enum i40e_status_code
5389 i40e_add_pinfo_to_list(struct i40e_hw *hw,
5390 		       struct i40e_profile_segment *profile,
5391 		       u8 *profile_info_sec, u32 track_id)
5392 {
5393 	i40e_status status = 0;
5394 	struct i40e_profile_section_header *sec = NULL;
5395 	struct i40e_profile_info *pinfo;
5396 	u32 offset = 0, info = 0;
5397 
5398 	sec = (struct i40e_profile_section_header *)profile_info_sec;
5399 	sec->tbl_size = 1;
5400 	sec->data_end = sizeof(struct i40e_profile_section_header) +
5401 			sizeof(struct i40e_profile_info);
5402 	sec->section.type = SECTION_TYPE_INFO;
5403 	sec->section.offset = sizeof(struct i40e_profile_section_header);
5404 	sec->section.size = sizeof(struct i40e_profile_info);
5405 	pinfo = (struct i40e_profile_info *)(profile_info_sec +
5406 					     sec->section.offset);
5407 	pinfo->track_id = track_id;
5408 	pinfo->version = profile->version;
5409 	pinfo->op = I40E_PPP_ADD_TRACKID;
5410 	memcpy(pinfo->name, profile->name, I40E_PPP_NAME_SIZE);
5411 
5412 	status = i40e_aq_write_ppp(hw, (void *)sec, sec->data_end,
5413 				   track_id, &offset, &info, NULL);
5414 	return status;
5415 }
5416