]> git.karo-electronics.de Git - karo-tx-linux.git/blob - drivers/net/ethernet/intel/i40e/i40e_common.c
i40e: Add promiscuous on VLAN support
[karo-tx-linux.git] / drivers / net / ethernet / intel / i40e / i40e_common.c
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 "i40e_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                         hw->mac.type = I40E_MAC_XL710;
57                         break;
58                 case I40E_DEV_ID_KX_X722:
59                 case I40E_DEV_ID_QSFP_X722:
60                 case I40E_DEV_ID_SFP_X722:
61                 case I40E_DEV_ID_1G_BASE_T_X722:
62                 case I40E_DEV_ID_10G_BASE_T_X722:
63                 case I40E_DEV_ID_SFP_I_X722:
64                 case I40E_DEV_ID_QSFP_I_X722:
65                         hw->mac.type = I40E_MAC_X722;
66                         break;
67                 default:
68                         hw->mac.type = I40E_MAC_GENERIC;
69                         break;
70                 }
71         } else {
72                 status = I40E_ERR_DEVICE_NOT_SUPPORTED;
73         }
74
75         hw_dbg(hw, "i40e_set_mac_type found mac: %d, returns: %d\n",
76                   hw->mac.type, status);
77         return status;
78 }
79
80 /**
81  * i40e_aq_str - convert AQ err code to a string
82  * @hw: pointer to the HW structure
83  * @aq_err: the AQ error code to convert
84  **/
85 const char *i40e_aq_str(struct i40e_hw *hw, enum i40e_admin_queue_err aq_err)
86 {
87         switch (aq_err) {
88         case I40E_AQ_RC_OK:
89                 return "OK";
90         case I40E_AQ_RC_EPERM:
91                 return "I40E_AQ_RC_EPERM";
92         case I40E_AQ_RC_ENOENT:
93                 return "I40E_AQ_RC_ENOENT";
94         case I40E_AQ_RC_ESRCH:
95                 return "I40E_AQ_RC_ESRCH";
96         case I40E_AQ_RC_EINTR:
97                 return "I40E_AQ_RC_EINTR";
98         case I40E_AQ_RC_EIO:
99                 return "I40E_AQ_RC_EIO";
100         case I40E_AQ_RC_ENXIO:
101                 return "I40E_AQ_RC_ENXIO";
102         case I40E_AQ_RC_E2BIG:
103                 return "I40E_AQ_RC_E2BIG";
104         case I40E_AQ_RC_EAGAIN:
105                 return "I40E_AQ_RC_EAGAIN";
106         case I40E_AQ_RC_ENOMEM:
107                 return "I40E_AQ_RC_ENOMEM";
108         case I40E_AQ_RC_EACCES:
109                 return "I40E_AQ_RC_EACCES";
110         case I40E_AQ_RC_EFAULT:
111                 return "I40E_AQ_RC_EFAULT";
112         case I40E_AQ_RC_EBUSY:
113                 return "I40E_AQ_RC_EBUSY";
114         case I40E_AQ_RC_EEXIST:
115                 return "I40E_AQ_RC_EEXIST";
116         case I40E_AQ_RC_EINVAL:
117                 return "I40E_AQ_RC_EINVAL";
118         case I40E_AQ_RC_ENOTTY:
119                 return "I40E_AQ_RC_ENOTTY";
120         case I40E_AQ_RC_ENOSPC:
121                 return "I40E_AQ_RC_ENOSPC";
122         case I40E_AQ_RC_ENOSYS:
123                 return "I40E_AQ_RC_ENOSYS";
124         case I40E_AQ_RC_ERANGE:
125                 return "I40E_AQ_RC_ERANGE";
126         case I40E_AQ_RC_EFLUSHED:
127                 return "I40E_AQ_RC_EFLUSHED";
128         case I40E_AQ_RC_BAD_ADDR:
129                 return "I40E_AQ_RC_BAD_ADDR";
130         case I40E_AQ_RC_EMODE:
131                 return "I40E_AQ_RC_EMODE";
132         case I40E_AQ_RC_EFBIG:
133                 return "I40E_AQ_RC_EFBIG";
134         }
135
136         snprintf(hw->err_str, sizeof(hw->err_str), "%d", aq_err);
137         return hw->err_str;
138 }
139
140 /**
141  * i40e_stat_str - convert status err code to a string
142  * @hw: pointer to the HW structure
143  * @stat_err: the status error code to convert
144  **/
145 const char *i40e_stat_str(struct i40e_hw *hw, i40e_status stat_err)
146 {
147         switch (stat_err) {
148         case 0:
149                 return "OK";
150         case I40E_ERR_NVM:
151                 return "I40E_ERR_NVM";
152         case I40E_ERR_NVM_CHECKSUM:
153                 return "I40E_ERR_NVM_CHECKSUM";
154         case I40E_ERR_PHY:
155                 return "I40E_ERR_PHY";
156         case I40E_ERR_CONFIG:
157                 return "I40E_ERR_CONFIG";
158         case I40E_ERR_PARAM:
159                 return "I40E_ERR_PARAM";
160         case I40E_ERR_MAC_TYPE:
161                 return "I40E_ERR_MAC_TYPE";
162         case I40E_ERR_UNKNOWN_PHY:
163                 return "I40E_ERR_UNKNOWN_PHY";
164         case I40E_ERR_LINK_SETUP:
165                 return "I40E_ERR_LINK_SETUP";
166         case I40E_ERR_ADAPTER_STOPPED:
167                 return "I40E_ERR_ADAPTER_STOPPED";
168         case I40E_ERR_INVALID_MAC_ADDR:
169                 return "I40E_ERR_INVALID_MAC_ADDR";
170         case I40E_ERR_DEVICE_NOT_SUPPORTED:
171                 return "I40E_ERR_DEVICE_NOT_SUPPORTED";
172         case I40E_ERR_MASTER_REQUESTS_PENDING:
173                 return "I40E_ERR_MASTER_REQUESTS_PENDING";
174         case I40E_ERR_INVALID_LINK_SETTINGS:
175                 return "I40E_ERR_INVALID_LINK_SETTINGS";
176         case I40E_ERR_AUTONEG_NOT_COMPLETE:
177                 return "I40E_ERR_AUTONEG_NOT_COMPLETE";
178         case I40E_ERR_RESET_FAILED:
179                 return "I40E_ERR_RESET_FAILED";
180         case I40E_ERR_SWFW_SYNC:
181                 return "I40E_ERR_SWFW_SYNC";
182         case I40E_ERR_NO_AVAILABLE_VSI:
183                 return "I40E_ERR_NO_AVAILABLE_VSI";
184         case I40E_ERR_NO_MEMORY:
185                 return "I40E_ERR_NO_MEMORY";
186         case I40E_ERR_BAD_PTR:
187                 return "I40E_ERR_BAD_PTR";
188         case I40E_ERR_RING_FULL:
189                 return "I40E_ERR_RING_FULL";
190         case I40E_ERR_INVALID_PD_ID:
191                 return "I40E_ERR_INVALID_PD_ID";
192         case I40E_ERR_INVALID_QP_ID:
193                 return "I40E_ERR_INVALID_QP_ID";
194         case I40E_ERR_INVALID_CQ_ID:
195                 return "I40E_ERR_INVALID_CQ_ID";
196         case I40E_ERR_INVALID_CEQ_ID:
197                 return "I40E_ERR_INVALID_CEQ_ID";
198         case I40E_ERR_INVALID_AEQ_ID:
199                 return "I40E_ERR_INVALID_AEQ_ID";
200         case I40E_ERR_INVALID_SIZE:
201                 return "I40E_ERR_INVALID_SIZE";
202         case I40E_ERR_INVALID_ARP_INDEX:
203                 return "I40E_ERR_INVALID_ARP_INDEX";
204         case I40E_ERR_INVALID_FPM_FUNC_ID:
205                 return "I40E_ERR_INVALID_FPM_FUNC_ID";
206         case I40E_ERR_QP_INVALID_MSG_SIZE:
207                 return "I40E_ERR_QP_INVALID_MSG_SIZE";
208         case I40E_ERR_QP_TOOMANY_WRS_POSTED:
209                 return "I40E_ERR_QP_TOOMANY_WRS_POSTED";
210         case I40E_ERR_INVALID_FRAG_COUNT:
211                 return "I40E_ERR_INVALID_FRAG_COUNT";
212         case I40E_ERR_QUEUE_EMPTY:
213                 return "I40E_ERR_QUEUE_EMPTY";
214         case I40E_ERR_INVALID_ALIGNMENT:
215                 return "I40E_ERR_INVALID_ALIGNMENT";
216         case I40E_ERR_FLUSHED_QUEUE:
217                 return "I40E_ERR_FLUSHED_QUEUE";
218         case I40E_ERR_INVALID_PUSH_PAGE_INDEX:
219                 return "I40E_ERR_INVALID_PUSH_PAGE_INDEX";
220         case I40E_ERR_INVALID_IMM_DATA_SIZE:
221                 return "I40E_ERR_INVALID_IMM_DATA_SIZE";
222         case I40E_ERR_TIMEOUT:
223                 return "I40E_ERR_TIMEOUT";
224         case I40E_ERR_OPCODE_MISMATCH:
225                 return "I40E_ERR_OPCODE_MISMATCH";
226         case I40E_ERR_CQP_COMPL_ERROR:
227                 return "I40E_ERR_CQP_COMPL_ERROR";
228         case I40E_ERR_INVALID_VF_ID:
229                 return "I40E_ERR_INVALID_VF_ID";
230         case I40E_ERR_INVALID_HMCFN_ID:
231                 return "I40E_ERR_INVALID_HMCFN_ID";
232         case I40E_ERR_BACKING_PAGE_ERROR:
233                 return "I40E_ERR_BACKING_PAGE_ERROR";
234         case I40E_ERR_NO_PBLCHUNKS_AVAILABLE:
235                 return "I40E_ERR_NO_PBLCHUNKS_AVAILABLE";
236         case I40E_ERR_INVALID_PBLE_INDEX:
237                 return "I40E_ERR_INVALID_PBLE_INDEX";
238         case I40E_ERR_INVALID_SD_INDEX:
239                 return "I40E_ERR_INVALID_SD_INDEX";
240         case I40E_ERR_INVALID_PAGE_DESC_INDEX:
241                 return "I40E_ERR_INVALID_PAGE_DESC_INDEX";
242         case I40E_ERR_INVALID_SD_TYPE:
243                 return "I40E_ERR_INVALID_SD_TYPE";
244         case I40E_ERR_MEMCPY_FAILED:
245                 return "I40E_ERR_MEMCPY_FAILED";
246         case I40E_ERR_INVALID_HMC_OBJ_INDEX:
247                 return "I40E_ERR_INVALID_HMC_OBJ_INDEX";
248         case I40E_ERR_INVALID_HMC_OBJ_COUNT:
249                 return "I40E_ERR_INVALID_HMC_OBJ_COUNT";
250         case I40E_ERR_INVALID_SRQ_ARM_LIMIT:
251                 return "I40E_ERR_INVALID_SRQ_ARM_LIMIT";
252         case I40E_ERR_SRQ_ENABLED:
253                 return "I40E_ERR_SRQ_ENABLED";
254         case I40E_ERR_ADMIN_QUEUE_ERROR:
255                 return "I40E_ERR_ADMIN_QUEUE_ERROR";
256         case I40E_ERR_ADMIN_QUEUE_TIMEOUT:
257                 return "I40E_ERR_ADMIN_QUEUE_TIMEOUT";
258         case I40E_ERR_BUF_TOO_SHORT:
259                 return "I40E_ERR_BUF_TOO_SHORT";
260         case I40E_ERR_ADMIN_QUEUE_FULL:
261                 return "I40E_ERR_ADMIN_QUEUE_FULL";
262         case I40E_ERR_ADMIN_QUEUE_NO_WORK:
263                 return "I40E_ERR_ADMIN_QUEUE_NO_WORK";
264         case I40E_ERR_BAD_IWARP_CQE:
265                 return "I40E_ERR_BAD_IWARP_CQE";
266         case I40E_ERR_NVM_BLANK_MODE:
267                 return "I40E_ERR_NVM_BLANK_MODE";
268         case I40E_ERR_NOT_IMPLEMENTED:
269                 return "I40E_ERR_NOT_IMPLEMENTED";
270         case I40E_ERR_PE_DOORBELL_NOT_ENABLED:
271                 return "I40E_ERR_PE_DOORBELL_NOT_ENABLED";
272         case I40E_ERR_DIAG_TEST_FAILED:
273                 return "I40E_ERR_DIAG_TEST_FAILED";
274         case I40E_ERR_NOT_READY:
275                 return "I40E_ERR_NOT_READY";
276         case I40E_NOT_SUPPORTED:
277                 return "I40E_NOT_SUPPORTED";
278         case I40E_ERR_FIRMWARE_API_VERSION:
279                 return "I40E_ERR_FIRMWARE_API_VERSION";
280         }
281
282         snprintf(hw->err_str, sizeof(hw->err_str), "%d", stat_err);
283         return hw->err_str;
284 }
285
286 /**
287  * i40e_debug_aq
288  * @hw: debug mask related to admin queue
289  * @mask: debug mask
290  * @desc: pointer to admin queue descriptor
291  * @buffer: pointer to command buffer
292  * @buf_len: max length of buffer
293  *
294  * Dumps debug log about adminq command with descriptor contents.
295  **/
296 void i40e_debug_aq(struct i40e_hw *hw, enum i40e_debug_mask mask, void *desc,
297                    void *buffer, u16 buf_len)
298 {
299         struct i40e_aq_desc *aq_desc = (struct i40e_aq_desc *)desc;
300         u16 len = le16_to_cpu(aq_desc->datalen);
301         u8 *buf = (u8 *)buffer;
302         u16 i = 0;
303
304         if ((!(mask & hw->debug_mask)) || (desc == NULL))
305                 return;
306
307         i40e_debug(hw, mask,
308                    "AQ CMD: opcode 0x%04X, flags 0x%04X, datalen 0x%04X, retval 0x%04X\n",
309                    le16_to_cpu(aq_desc->opcode),
310                    le16_to_cpu(aq_desc->flags),
311                    le16_to_cpu(aq_desc->datalen),
312                    le16_to_cpu(aq_desc->retval));
313         i40e_debug(hw, mask, "\tcookie (h,l) 0x%08X 0x%08X\n",
314                    le32_to_cpu(aq_desc->cookie_high),
315                    le32_to_cpu(aq_desc->cookie_low));
316         i40e_debug(hw, mask, "\tparam (0,1)  0x%08X 0x%08X\n",
317                    le32_to_cpu(aq_desc->params.internal.param0),
318                    le32_to_cpu(aq_desc->params.internal.param1));
319         i40e_debug(hw, mask, "\taddr (h,l)   0x%08X 0x%08X\n",
320                    le32_to_cpu(aq_desc->params.external.addr_high),
321                    le32_to_cpu(aq_desc->params.external.addr_low));
322
323         if ((buffer != NULL) && (aq_desc->datalen != 0)) {
324                 i40e_debug(hw, mask, "AQ CMD Buffer:\n");
325                 if (buf_len < len)
326                         len = buf_len;
327                 /* write the full 16-byte chunks */
328                 for (i = 0; i < (len - 16); i += 16)
329                         i40e_debug(hw, mask, "\t0x%04X  %16ph\n", i, buf + i);
330                 /* write whatever's left over without overrunning the buffer */
331                 if (i < len)
332                         i40e_debug(hw, mask, "\t0x%04X  %*ph\n",
333                                              i, len - i, buf + i);
334         }
335 }
336
337 /**
338  * i40e_check_asq_alive
339  * @hw: pointer to the hw struct
340  *
341  * Returns true if Queue is enabled else false.
342  **/
343 bool i40e_check_asq_alive(struct i40e_hw *hw)
344 {
345         if (hw->aq.asq.len)
346                 return !!(rd32(hw, hw->aq.asq.len) &
347                           I40E_PF_ATQLEN_ATQENABLE_MASK);
348         else
349                 return false;
350 }
351
352 /**
353  * i40e_aq_queue_shutdown
354  * @hw: pointer to the hw struct
355  * @unloading: is the driver unloading itself
356  *
357  * Tell the Firmware that we're shutting down the AdminQ and whether
358  * or not the driver is unloading as well.
359  **/
360 i40e_status i40e_aq_queue_shutdown(struct i40e_hw *hw,
361                                              bool unloading)
362 {
363         struct i40e_aq_desc desc;
364         struct i40e_aqc_queue_shutdown *cmd =
365                 (struct i40e_aqc_queue_shutdown *)&desc.params.raw;
366         i40e_status status;
367
368         i40e_fill_default_direct_cmd_desc(&desc,
369                                           i40e_aqc_opc_queue_shutdown);
370
371         if (unloading)
372                 cmd->driver_unloading = cpu_to_le32(I40E_AQ_DRIVER_UNLOADING);
373         status = i40e_asq_send_command(hw, &desc, NULL, 0, NULL);
374
375         return status;
376 }
377
378 /**
379  * i40e_aq_get_set_rss_lut
380  * @hw: pointer to the hardware structure
381  * @vsi_id: vsi fw index
382  * @pf_lut: for PF table set true, for VSI table set false
383  * @lut: pointer to the lut buffer provided by the caller
384  * @lut_size: size of the lut buffer
385  * @set: set true to set the table, false to get the table
386  *
387  * Internal function to get or set RSS look up table
388  **/
389 static i40e_status i40e_aq_get_set_rss_lut(struct i40e_hw *hw,
390                                            u16 vsi_id, bool pf_lut,
391                                            u8 *lut, u16 lut_size,
392                                            bool set)
393 {
394         i40e_status status;
395         struct i40e_aq_desc desc;
396         struct i40e_aqc_get_set_rss_lut *cmd_resp =
397                    (struct i40e_aqc_get_set_rss_lut *)&desc.params.raw;
398
399         if (set)
400                 i40e_fill_default_direct_cmd_desc(&desc,
401                                                   i40e_aqc_opc_set_rss_lut);
402         else
403                 i40e_fill_default_direct_cmd_desc(&desc,
404                                                   i40e_aqc_opc_get_rss_lut);
405
406         /* Indirect command */
407         desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
408         desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_RD);
409
410         cmd_resp->vsi_id =
411                         cpu_to_le16((u16)((vsi_id <<
412                                           I40E_AQC_SET_RSS_LUT_VSI_ID_SHIFT) &
413                                           I40E_AQC_SET_RSS_LUT_VSI_ID_MASK));
414         cmd_resp->vsi_id |= cpu_to_le16((u16)I40E_AQC_SET_RSS_LUT_VSI_VALID);
415
416         if (pf_lut)
417                 cmd_resp->flags |= cpu_to_le16((u16)
418                                         ((I40E_AQC_SET_RSS_LUT_TABLE_TYPE_PF <<
419                                         I40E_AQC_SET_RSS_LUT_TABLE_TYPE_SHIFT) &
420                                         I40E_AQC_SET_RSS_LUT_TABLE_TYPE_MASK));
421         else
422                 cmd_resp->flags |= cpu_to_le16((u16)
423                                         ((I40E_AQC_SET_RSS_LUT_TABLE_TYPE_VSI <<
424                                         I40E_AQC_SET_RSS_LUT_TABLE_TYPE_SHIFT) &
425                                         I40E_AQC_SET_RSS_LUT_TABLE_TYPE_MASK));
426
427         status = i40e_asq_send_command(hw, &desc, lut, lut_size, NULL);
428
429         return status;
430 }
431
432 /**
433  * i40e_aq_get_rss_lut
434  * @hw: pointer to the hardware structure
435  * @vsi_id: vsi fw index
436  * @pf_lut: for PF table set true, for VSI table set false
437  * @lut: pointer to the lut buffer provided by the caller
438  * @lut_size: size of the lut buffer
439  *
440  * get the RSS lookup table, PF or VSI type
441  **/
442 i40e_status i40e_aq_get_rss_lut(struct i40e_hw *hw, u16 vsi_id,
443                                 bool pf_lut, u8 *lut, u16 lut_size)
444 {
445         return i40e_aq_get_set_rss_lut(hw, vsi_id, pf_lut, lut, lut_size,
446                                        false);
447 }
448
449 /**
450  * i40e_aq_set_rss_lut
451  * @hw: pointer to the hardware structure
452  * @vsi_id: vsi fw index
453  * @pf_lut: for PF table set true, for VSI table set false
454  * @lut: pointer to the lut buffer provided by the caller
455  * @lut_size: size of the lut buffer
456  *
457  * set the RSS lookup table, PF or VSI type
458  **/
459 i40e_status i40e_aq_set_rss_lut(struct i40e_hw *hw, u16 vsi_id,
460                                 bool pf_lut, u8 *lut, u16 lut_size)
461 {
462         return i40e_aq_get_set_rss_lut(hw, vsi_id, pf_lut, lut, lut_size, true);
463 }
464
465 /**
466  * i40e_aq_get_set_rss_key
467  * @hw: pointer to the hw struct
468  * @vsi_id: vsi fw index
469  * @key: pointer to key info struct
470  * @set: set true to set the key, false to get the key
471  *
472  * get the RSS key per VSI
473  **/
474 static i40e_status i40e_aq_get_set_rss_key(struct i40e_hw *hw,
475                                       u16 vsi_id,
476                                       struct i40e_aqc_get_set_rss_key_data *key,
477                                       bool set)
478 {
479         i40e_status status;
480         struct i40e_aq_desc desc;
481         struct i40e_aqc_get_set_rss_key *cmd_resp =
482                         (struct i40e_aqc_get_set_rss_key *)&desc.params.raw;
483         u16 key_size = sizeof(struct i40e_aqc_get_set_rss_key_data);
484
485         if (set)
486                 i40e_fill_default_direct_cmd_desc(&desc,
487                                                   i40e_aqc_opc_set_rss_key);
488         else
489                 i40e_fill_default_direct_cmd_desc(&desc,
490                                                   i40e_aqc_opc_get_rss_key);
491
492         /* Indirect command */
493         desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
494         desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_RD);
495
496         cmd_resp->vsi_id =
497                         cpu_to_le16((u16)((vsi_id <<
498                                           I40E_AQC_SET_RSS_KEY_VSI_ID_SHIFT) &
499                                           I40E_AQC_SET_RSS_KEY_VSI_ID_MASK));
500         cmd_resp->vsi_id |= cpu_to_le16((u16)I40E_AQC_SET_RSS_KEY_VSI_VALID);
501
502         status = i40e_asq_send_command(hw, &desc, key, key_size, NULL);
503
504         return status;
505 }
506
507 /**
508  * i40e_aq_get_rss_key
509  * @hw: pointer to the hw struct
510  * @vsi_id: vsi fw index
511  * @key: pointer to key info struct
512  *
513  **/
514 i40e_status i40e_aq_get_rss_key(struct i40e_hw *hw,
515                                 u16 vsi_id,
516                                 struct i40e_aqc_get_set_rss_key_data *key)
517 {
518         return i40e_aq_get_set_rss_key(hw, vsi_id, key, false);
519 }
520
521 /**
522  * i40e_aq_set_rss_key
523  * @hw: pointer to the hw struct
524  * @vsi_id: vsi fw index
525  * @key: pointer to key info struct
526  *
527  * set the RSS key per VSI
528  **/
529 i40e_status i40e_aq_set_rss_key(struct i40e_hw *hw,
530                                 u16 vsi_id,
531                                 struct i40e_aqc_get_set_rss_key_data *key)
532 {
533         return i40e_aq_get_set_rss_key(hw, vsi_id, key, true);
534 }
535
536 /* The i40e_ptype_lookup table is used to convert from the 8-bit ptype in the
537  * hardware to a bit-field that can be used by SW to more easily determine the
538  * packet type.
539  *
540  * Macros are used to shorten the table lines and make this table human
541  * readable.
542  *
543  * We store the PTYPE in the top byte of the bit field - this is just so that
544  * we can check that the table doesn't have a row missing, as the index into
545  * the table should be the PTYPE.
546  *
547  * Typical work flow:
548  *
549  * IF NOT i40e_ptype_lookup[ptype].known
550  * THEN
551  *      Packet is unknown
552  * ELSE IF i40e_ptype_lookup[ptype].outer_ip == I40E_RX_PTYPE_OUTER_IP
553  *      Use the rest of the fields to look at the tunnels, inner protocols, etc
554  * ELSE
555  *      Use the enum i40e_rx_l2_ptype to decode the packet type
556  * ENDIF
557  */
558
559 /* macro to make the table lines short */
560 #define I40E_PTT(PTYPE, OUTER_IP, OUTER_IP_VER, OUTER_FRAG, T, TE, TEF, I, PL)\
561         {       PTYPE, \
562                 1, \
563                 I40E_RX_PTYPE_OUTER_##OUTER_IP, \
564                 I40E_RX_PTYPE_OUTER_##OUTER_IP_VER, \
565                 I40E_RX_PTYPE_##OUTER_FRAG, \
566                 I40E_RX_PTYPE_TUNNEL_##T, \
567                 I40E_RX_PTYPE_TUNNEL_END_##TE, \
568                 I40E_RX_PTYPE_##TEF, \
569                 I40E_RX_PTYPE_INNER_PROT_##I, \
570                 I40E_RX_PTYPE_PAYLOAD_LAYER_##PL }
571
572 #define I40E_PTT_UNUSED_ENTRY(PTYPE) \
573                 { PTYPE, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
574
575 /* shorter macros makes the table fit but are terse */
576 #define I40E_RX_PTYPE_NOF               I40E_RX_PTYPE_NOT_FRAG
577 #define I40E_RX_PTYPE_FRG               I40E_RX_PTYPE_FRAG
578 #define I40E_RX_PTYPE_INNER_PROT_TS     I40E_RX_PTYPE_INNER_PROT_TIMESYNC
579
580 /* Lookup table mapping the HW PTYPE to the bit field for decoding */
581 struct i40e_rx_ptype_decoded i40e_ptype_lookup[] = {
582         /* L2 Packet types */
583         I40E_PTT_UNUSED_ENTRY(0),
584         I40E_PTT(1,  L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2),
585         I40E_PTT(2,  L2, NONE, NOF, NONE, NONE, NOF, TS,   PAY2),
586         I40E_PTT(3,  L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2),
587         I40E_PTT_UNUSED_ENTRY(4),
588         I40E_PTT_UNUSED_ENTRY(5),
589         I40E_PTT(6,  L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2),
590         I40E_PTT(7,  L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2),
591         I40E_PTT_UNUSED_ENTRY(8),
592         I40E_PTT_UNUSED_ENTRY(9),
593         I40E_PTT(10, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2),
594         I40E_PTT(11, L2, NONE, NOF, NONE, NONE, NOF, NONE, NONE),
595         I40E_PTT(12, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
596         I40E_PTT(13, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
597         I40E_PTT(14, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
598         I40E_PTT(15, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
599         I40E_PTT(16, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
600         I40E_PTT(17, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
601         I40E_PTT(18, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
602         I40E_PTT(19, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
603         I40E_PTT(20, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
604         I40E_PTT(21, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
605
606         /* Non Tunneled IPv4 */
607         I40E_PTT(22, IP, IPV4, FRG, NONE, NONE, NOF, NONE, PAY3),
608         I40E_PTT(23, IP, IPV4, NOF, NONE, NONE, NOF, NONE, PAY3),
609         I40E_PTT(24, IP, IPV4, NOF, NONE, NONE, NOF, UDP,  PAY4),
610         I40E_PTT_UNUSED_ENTRY(25),
611         I40E_PTT(26, IP, IPV4, NOF, NONE, NONE, NOF, TCP,  PAY4),
612         I40E_PTT(27, IP, IPV4, NOF, NONE, NONE, NOF, SCTP, PAY4),
613         I40E_PTT(28, IP, IPV4, NOF, NONE, NONE, NOF, ICMP, PAY4),
614
615         /* IPv4 --> IPv4 */
616         I40E_PTT(29, IP, IPV4, NOF, IP_IP, IPV4, FRG, NONE, PAY3),
617         I40E_PTT(30, IP, IPV4, NOF, IP_IP, IPV4, NOF, NONE, PAY3),
618         I40E_PTT(31, IP, IPV4, NOF, IP_IP, IPV4, NOF, UDP,  PAY4),
619         I40E_PTT_UNUSED_ENTRY(32),
620         I40E_PTT(33, IP, IPV4, NOF, IP_IP, IPV4, NOF, TCP,  PAY4),
621         I40E_PTT(34, IP, IPV4, NOF, IP_IP, IPV4, NOF, SCTP, PAY4),
622         I40E_PTT(35, IP, IPV4, NOF, IP_IP, IPV4, NOF, ICMP, PAY4),
623
624         /* IPv4 --> IPv6 */
625         I40E_PTT(36, IP, IPV4, NOF, IP_IP, IPV6, FRG, NONE, PAY3),
626         I40E_PTT(37, IP, IPV4, NOF, IP_IP, IPV6, NOF, NONE, PAY3),
627         I40E_PTT(38, IP, IPV4, NOF, IP_IP, IPV6, NOF, UDP,  PAY4),
628         I40E_PTT_UNUSED_ENTRY(39),
629         I40E_PTT(40, IP, IPV4, NOF, IP_IP, IPV6, NOF, TCP,  PAY4),
630         I40E_PTT(41, IP, IPV4, NOF, IP_IP, IPV6, NOF, SCTP, PAY4),
631         I40E_PTT(42, IP, IPV4, NOF, IP_IP, IPV6, NOF, ICMP, PAY4),
632
633         /* IPv4 --> GRE/NAT */
634         I40E_PTT(43, IP, IPV4, NOF, IP_GRENAT, NONE, NOF, NONE, PAY3),
635
636         /* IPv4 --> GRE/NAT --> IPv4 */
637         I40E_PTT(44, IP, IPV4, NOF, IP_GRENAT, IPV4, FRG, NONE, PAY3),
638         I40E_PTT(45, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, NONE, PAY3),
639         I40E_PTT(46, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, UDP,  PAY4),
640         I40E_PTT_UNUSED_ENTRY(47),
641         I40E_PTT(48, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, TCP,  PAY4),
642         I40E_PTT(49, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, SCTP, PAY4),
643         I40E_PTT(50, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, ICMP, PAY4),
644
645         /* IPv4 --> GRE/NAT --> IPv6 */
646         I40E_PTT(51, IP, IPV4, NOF, IP_GRENAT, IPV6, FRG, NONE, PAY3),
647         I40E_PTT(52, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, NONE, PAY3),
648         I40E_PTT(53, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, UDP,  PAY4),
649         I40E_PTT_UNUSED_ENTRY(54),
650         I40E_PTT(55, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, TCP,  PAY4),
651         I40E_PTT(56, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, SCTP, PAY4),
652         I40E_PTT(57, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, ICMP, PAY4),
653
654         /* IPv4 --> GRE/NAT --> MAC */
655         I40E_PTT(58, IP, IPV4, NOF, IP_GRENAT_MAC, NONE, NOF, NONE, PAY3),
656
657         /* IPv4 --> GRE/NAT --> MAC --> IPv4 */
658         I40E_PTT(59, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, FRG, NONE, PAY3),
659         I40E_PTT(60, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, NONE, PAY3),
660         I40E_PTT(61, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, UDP,  PAY4),
661         I40E_PTT_UNUSED_ENTRY(62),
662         I40E_PTT(63, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, TCP,  PAY4),
663         I40E_PTT(64, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, SCTP, PAY4),
664         I40E_PTT(65, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, ICMP, PAY4),
665
666         /* IPv4 --> GRE/NAT -> MAC --> IPv6 */
667         I40E_PTT(66, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, FRG, NONE, PAY3),
668         I40E_PTT(67, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, NONE, PAY3),
669         I40E_PTT(68, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, UDP,  PAY4),
670         I40E_PTT_UNUSED_ENTRY(69),
671         I40E_PTT(70, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, TCP,  PAY4),
672         I40E_PTT(71, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, SCTP, PAY4),
673         I40E_PTT(72, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, ICMP, PAY4),
674
675         /* IPv4 --> GRE/NAT --> MAC/VLAN */
676         I40E_PTT(73, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, NONE, NOF, NONE, PAY3),
677
678         /* IPv4 ---> GRE/NAT -> MAC/VLAN --> IPv4 */
679         I40E_PTT(74, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, FRG, NONE, PAY3),
680         I40E_PTT(75, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, NONE, PAY3),
681         I40E_PTT(76, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, UDP,  PAY4),
682         I40E_PTT_UNUSED_ENTRY(77),
683         I40E_PTT(78, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, TCP,  PAY4),
684         I40E_PTT(79, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, SCTP, PAY4),
685         I40E_PTT(80, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, ICMP, PAY4),
686
687         /* IPv4 -> GRE/NAT -> MAC/VLAN --> IPv6 */
688         I40E_PTT(81, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, FRG, NONE, PAY3),
689         I40E_PTT(82, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, NONE, PAY3),
690         I40E_PTT(83, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, UDP,  PAY4),
691         I40E_PTT_UNUSED_ENTRY(84),
692         I40E_PTT(85, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, TCP,  PAY4),
693         I40E_PTT(86, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, SCTP, PAY4),
694         I40E_PTT(87, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, ICMP, PAY4),
695
696         /* Non Tunneled IPv6 */
697         I40E_PTT(88, IP, IPV6, FRG, NONE, NONE, NOF, NONE, PAY3),
698         I40E_PTT(89, IP, IPV6, NOF, NONE, NONE, NOF, NONE, PAY3),
699         I40E_PTT(90, IP, IPV6, NOF, NONE, NONE, NOF, UDP,  PAY3),
700         I40E_PTT_UNUSED_ENTRY(91),
701         I40E_PTT(92, IP, IPV6, NOF, NONE, NONE, NOF, TCP,  PAY4),
702         I40E_PTT(93, IP, IPV6, NOF, NONE, NONE, NOF, SCTP, PAY4),
703         I40E_PTT(94, IP, IPV6, NOF, NONE, NONE, NOF, ICMP, PAY4),
704
705         /* IPv6 --> IPv4 */
706         I40E_PTT(95,  IP, IPV6, NOF, IP_IP, IPV4, FRG, NONE, PAY3),
707         I40E_PTT(96,  IP, IPV6, NOF, IP_IP, IPV4, NOF, NONE, PAY3),
708         I40E_PTT(97,  IP, IPV6, NOF, IP_IP, IPV4, NOF, UDP,  PAY4),
709         I40E_PTT_UNUSED_ENTRY(98),
710         I40E_PTT(99,  IP, IPV6, NOF, IP_IP, IPV4, NOF, TCP,  PAY4),
711         I40E_PTT(100, IP, IPV6, NOF, IP_IP, IPV4, NOF, SCTP, PAY4),
712         I40E_PTT(101, IP, IPV6, NOF, IP_IP, IPV4, NOF, ICMP, PAY4),
713
714         /* IPv6 --> IPv6 */
715         I40E_PTT(102, IP, IPV6, NOF, IP_IP, IPV6, FRG, NONE, PAY3),
716         I40E_PTT(103, IP, IPV6, NOF, IP_IP, IPV6, NOF, NONE, PAY3),
717         I40E_PTT(104, IP, IPV6, NOF, IP_IP, IPV6, NOF, UDP,  PAY4),
718         I40E_PTT_UNUSED_ENTRY(105),
719         I40E_PTT(106, IP, IPV6, NOF, IP_IP, IPV6, NOF, TCP,  PAY4),
720         I40E_PTT(107, IP, IPV6, NOF, IP_IP, IPV6, NOF, SCTP, PAY4),
721         I40E_PTT(108, IP, IPV6, NOF, IP_IP, IPV6, NOF, ICMP, PAY4),
722
723         /* IPv6 --> GRE/NAT */
724         I40E_PTT(109, IP, IPV6, NOF, IP_GRENAT, NONE, NOF, NONE, PAY3),
725
726         /* IPv6 --> GRE/NAT -> IPv4 */
727         I40E_PTT(110, IP, IPV6, NOF, IP_GRENAT, IPV4, FRG, NONE, PAY3),
728         I40E_PTT(111, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, NONE, PAY3),
729         I40E_PTT(112, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, UDP,  PAY4),
730         I40E_PTT_UNUSED_ENTRY(113),
731         I40E_PTT(114, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, TCP,  PAY4),
732         I40E_PTT(115, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, SCTP, PAY4),
733         I40E_PTT(116, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, ICMP, PAY4),
734
735         /* IPv6 --> GRE/NAT -> IPv6 */
736         I40E_PTT(117, IP, IPV6, NOF, IP_GRENAT, IPV6, FRG, NONE, PAY3),
737         I40E_PTT(118, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, NONE, PAY3),
738         I40E_PTT(119, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, UDP,  PAY4),
739         I40E_PTT_UNUSED_ENTRY(120),
740         I40E_PTT(121, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, TCP,  PAY4),
741         I40E_PTT(122, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, SCTP, PAY4),
742         I40E_PTT(123, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, ICMP, PAY4),
743
744         /* IPv6 --> GRE/NAT -> MAC */
745         I40E_PTT(124, IP, IPV6, NOF, IP_GRENAT_MAC, NONE, NOF, NONE, PAY3),
746
747         /* IPv6 --> GRE/NAT -> MAC -> IPv4 */
748         I40E_PTT(125, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, FRG, NONE, PAY3),
749         I40E_PTT(126, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, NONE, PAY3),
750         I40E_PTT(127, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, UDP,  PAY4),
751         I40E_PTT_UNUSED_ENTRY(128),
752         I40E_PTT(129, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, TCP,  PAY4),
753         I40E_PTT(130, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, SCTP, PAY4),
754         I40E_PTT(131, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, ICMP, PAY4),
755
756         /* IPv6 --> GRE/NAT -> MAC -> IPv6 */
757         I40E_PTT(132, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, FRG, NONE, PAY3),
758         I40E_PTT(133, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, NONE, PAY3),
759         I40E_PTT(134, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, UDP,  PAY4),
760         I40E_PTT_UNUSED_ENTRY(135),
761         I40E_PTT(136, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, TCP,  PAY4),
762         I40E_PTT(137, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, SCTP, PAY4),
763         I40E_PTT(138, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, ICMP, PAY4),
764
765         /* IPv6 --> GRE/NAT -> MAC/VLAN */
766         I40E_PTT(139, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, NONE, NOF, NONE, PAY3),
767
768         /* IPv6 --> GRE/NAT -> MAC/VLAN --> IPv4 */
769         I40E_PTT(140, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, FRG, NONE, PAY3),
770         I40E_PTT(141, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, NONE, PAY3),
771         I40E_PTT(142, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, UDP,  PAY4),
772         I40E_PTT_UNUSED_ENTRY(143),
773         I40E_PTT(144, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, TCP,  PAY4),
774         I40E_PTT(145, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, SCTP, PAY4),
775         I40E_PTT(146, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, ICMP, PAY4),
776
777         /* IPv6 --> GRE/NAT -> MAC/VLAN --> IPv6 */
778         I40E_PTT(147, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, FRG, NONE, PAY3),
779         I40E_PTT(148, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, NONE, PAY3),
780         I40E_PTT(149, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, UDP,  PAY4),
781         I40E_PTT_UNUSED_ENTRY(150),
782         I40E_PTT(151, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, TCP,  PAY4),
783         I40E_PTT(152, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, SCTP, PAY4),
784         I40E_PTT(153, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, ICMP, PAY4),
785
786         /* unused entries */
787         I40E_PTT_UNUSED_ENTRY(154),
788         I40E_PTT_UNUSED_ENTRY(155),
789         I40E_PTT_UNUSED_ENTRY(156),
790         I40E_PTT_UNUSED_ENTRY(157),
791         I40E_PTT_UNUSED_ENTRY(158),
792         I40E_PTT_UNUSED_ENTRY(159),
793
794         I40E_PTT_UNUSED_ENTRY(160),
795         I40E_PTT_UNUSED_ENTRY(161),
796         I40E_PTT_UNUSED_ENTRY(162),
797         I40E_PTT_UNUSED_ENTRY(163),
798         I40E_PTT_UNUSED_ENTRY(164),
799         I40E_PTT_UNUSED_ENTRY(165),
800         I40E_PTT_UNUSED_ENTRY(166),
801         I40E_PTT_UNUSED_ENTRY(167),
802         I40E_PTT_UNUSED_ENTRY(168),
803         I40E_PTT_UNUSED_ENTRY(169),
804
805         I40E_PTT_UNUSED_ENTRY(170),
806         I40E_PTT_UNUSED_ENTRY(171),
807         I40E_PTT_UNUSED_ENTRY(172),
808         I40E_PTT_UNUSED_ENTRY(173),
809         I40E_PTT_UNUSED_ENTRY(174),
810         I40E_PTT_UNUSED_ENTRY(175),
811         I40E_PTT_UNUSED_ENTRY(176),
812         I40E_PTT_UNUSED_ENTRY(177),
813         I40E_PTT_UNUSED_ENTRY(178),
814         I40E_PTT_UNUSED_ENTRY(179),
815
816         I40E_PTT_UNUSED_ENTRY(180),
817         I40E_PTT_UNUSED_ENTRY(181),
818         I40E_PTT_UNUSED_ENTRY(182),
819         I40E_PTT_UNUSED_ENTRY(183),
820         I40E_PTT_UNUSED_ENTRY(184),
821         I40E_PTT_UNUSED_ENTRY(185),
822         I40E_PTT_UNUSED_ENTRY(186),
823         I40E_PTT_UNUSED_ENTRY(187),
824         I40E_PTT_UNUSED_ENTRY(188),
825         I40E_PTT_UNUSED_ENTRY(189),
826
827         I40E_PTT_UNUSED_ENTRY(190),
828         I40E_PTT_UNUSED_ENTRY(191),
829         I40E_PTT_UNUSED_ENTRY(192),
830         I40E_PTT_UNUSED_ENTRY(193),
831         I40E_PTT_UNUSED_ENTRY(194),
832         I40E_PTT_UNUSED_ENTRY(195),
833         I40E_PTT_UNUSED_ENTRY(196),
834         I40E_PTT_UNUSED_ENTRY(197),
835         I40E_PTT_UNUSED_ENTRY(198),
836         I40E_PTT_UNUSED_ENTRY(199),
837
838         I40E_PTT_UNUSED_ENTRY(200),
839         I40E_PTT_UNUSED_ENTRY(201),
840         I40E_PTT_UNUSED_ENTRY(202),
841         I40E_PTT_UNUSED_ENTRY(203),
842         I40E_PTT_UNUSED_ENTRY(204),
843         I40E_PTT_UNUSED_ENTRY(205),
844         I40E_PTT_UNUSED_ENTRY(206),
845         I40E_PTT_UNUSED_ENTRY(207),
846         I40E_PTT_UNUSED_ENTRY(208),
847         I40E_PTT_UNUSED_ENTRY(209),
848
849         I40E_PTT_UNUSED_ENTRY(210),
850         I40E_PTT_UNUSED_ENTRY(211),
851         I40E_PTT_UNUSED_ENTRY(212),
852         I40E_PTT_UNUSED_ENTRY(213),
853         I40E_PTT_UNUSED_ENTRY(214),
854         I40E_PTT_UNUSED_ENTRY(215),
855         I40E_PTT_UNUSED_ENTRY(216),
856         I40E_PTT_UNUSED_ENTRY(217),
857         I40E_PTT_UNUSED_ENTRY(218),
858         I40E_PTT_UNUSED_ENTRY(219),
859
860         I40E_PTT_UNUSED_ENTRY(220),
861         I40E_PTT_UNUSED_ENTRY(221),
862         I40E_PTT_UNUSED_ENTRY(222),
863         I40E_PTT_UNUSED_ENTRY(223),
864         I40E_PTT_UNUSED_ENTRY(224),
865         I40E_PTT_UNUSED_ENTRY(225),
866         I40E_PTT_UNUSED_ENTRY(226),
867         I40E_PTT_UNUSED_ENTRY(227),
868         I40E_PTT_UNUSED_ENTRY(228),
869         I40E_PTT_UNUSED_ENTRY(229),
870
871         I40E_PTT_UNUSED_ENTRY(230),
872         I40E_PTT_UNUSED_ENTRY(231),
873         I40E_PTT_UNUSED_ENTRY(232),
874         I40E_PTT_UNUSED_ENTRY(233),
875         I40E_PTT_UNUSED_ENTRY(234),
876         I40E_PTT_UNUSED_ENTRY(235),
877         I40E_PTT_UNUSED_ENTRY(236),
878         I40E_PTT_UNUSED_ENTRY(237),
879         I40E_PTT_UNUSED_ENTRY(238),
880         I40E_PTT_UNUSED_ENTRY(239),
881
882         I40E_PTT_UNUSED_ENTRY(240),
883         I40E_PTT_UNUSED_ENTRY(241),
884         I40E_PTT_UNUSED_ENTRY(242),
885         I40E_PTT_UNUSED_ENTRY(243),
886         I40E_PTT_UNUSED_ENTRY(244),
887         I40E_PTT_UNUSED_ENTRY(245),
888         I40E_PTT_UNUSED_ENTRY(246),
889         I40E_PTT_UNUSED_ENTRY(247),
890         I40E_PTT_UNUSED_ENTRY(248),
891         I40E_PTT_UNUSED_ENTRY(249),
892
893         I40E_PTT_UNUSED_ENTRY(250),
894         I40E_PTT_UNUSED_ENTRY(251),
895         I40E_PTT_UNUSED_ENTRY(252),
896         I40E_PTT_UNUSED_ENTRY(253),
897         I40E_PTT_UNUSED_ENTRY(254),
898         I40E_PTT_UNUSED_ENTRY(255)
899 };
900
901 /**
902  * i40e_init_shared_code - Initialize the shared code
903  * @hw: pointer to hardware structure
904  *
905  * This assigns the MAC type and PHY code and inits the NVM.
906  * Does not touch the hardware. This function must be called prior to any
907  * other function in the shared code. The i40e_hw structure should be
908  * memset to 0 prior to calling this function.  The following fields in
909  * hw structure should be filled in prior to calling this function:
910  * hw_addr, back, device_id, vendor_id, subsystem_device_id,
911  * subsystem_vendor_id, and revision_id
912  **/
913 i40e_status i40e_init_shared_code(struct i40e_hw *hw)
914 {
915         i40e_status status = 0;
916         u32 port, ari, func_rid;
917
918         i40e_set_mac_type(hw);
919
920         switch (hw->mac.type) {
921         case I40E_MAC_XL710:
922         case I40E_MAC_X722:
923                 break;
924         default:
925                 return I40E_ERR_DEVICE_NOT_SUPPORTED;
926         }
927
928         hw->phy.get_link_info = true;
929
930         /* Determine port number and PF number*/
931         port = (rd32(hw, I40E_PFGEN_PORTNUM) & I40E_PFGEN_PORTNUM_PORT_NUM_MASK)
932                                            >> I40E_PFGEN_PORTNUM_PORT_NUM_SHIFT;
933         hw->port = (u8)port;
934         ari = (rd32(hw, I40E_GLPCI_CAPSUP) & I40E_GLPCI_CAPSUP_ARI_EN_MASK) >>
935                                                  I40E_GLPCI_CAPSUP_ARI_EN_SHIFT;
936         func_rid = rd32(hw, I40E_PF_FUNC_RID);
937         if (ari)
938                 hw->pf_id = (u8)(func_rid & 0xff);
939         else
940                 hw->pf_id = (u8)(func_rid & 0x7);
941
942         if (hw->mac.type == I40E_MAC_X722)
943                 hw->flags |= I40E_HW_FLAG_AQ_SRCTL_ACCESS_ENABLE;
944
945         status = i40e_init_nvm(hw);
946         return status;
947 }
948
949 /**
950  * i40e_aq_mac_address_read - Retrieve the MAC addresses
951  * @hw: pointer to the hw struct
952  * @flags: a return indicator of what addresses were added to the addr store
953  * @addrs: the requestor's mac addr store
954  * @cmd_details: pointer to command details structure or NULL
955  **/
956 static i40e_status i40e_aq_mac_address_read(struct i40e_hw *hw,
957                                    u16 *flags,
958                                    struct i40e_aqc_mac_address_read_data *addrs,
959                                    struct i40e_asq_cmd_details *cmd_details)
960 {
961         struct i40e_aq_desc desc;
962         struct i40e_aqc_mac_address_read *cmd_data =
963                 (struct i40e_aqc_mac_address_read *)&desc.params.raw;
964         i40e_status status;
965
966         i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_mac_address_read);
967         desc.flags |= cpu_to_le16(I40E_AQ_FLAG_BUF);
968
969         status = i40e_asq_send_command(hw, &desc, addrs,
970                                        sizeof(*addrs), cmd_details);
971         *flags = le16_to_cpu(cmd_data->command_flags);
972
973         return status;
974 }
975
976 /**
977  * i40e_aq_mac_address_write - Change the MAC addresses
978  * @hw: pointer to the hw struct
979  * @flags: indicates which MAC to be written
980  * @mac_addr: address to write
981  * @cmd_details: pointer to command details structure or NULL
982  **/
983 i40e_status i40e_aq_mac_address_write(struct i40e_hw *hw,
984                                     u16 flags, u8 *mac_addr,
985                                     struct i40e_asq_cmd_details *cmd_details)
986 {
987         struct i40e_aq_desc desc;
988         struct i40e_aqc_mac_address_write *cmd_data =
989                 (struct i40e_aqc_mac_address_write *)&desc.params.raw;
990         i40e_status status;
991
992         i40e_fill_default_direct_cmd_desc(&desc,
993                                           i40e_aqc_opc_mac_address_write);
994         cmd_data->command_flags = cpu_to_le16(flags);
995         cmd_data->mac_sah = cpu_to_le16((u16)mac_addr[0] << 8 | mac_addr[1]);
996         cmd_data->mac_sal = cpu_to_le32(((u32)mac_addr[2] << 24) |
997                                         ((u32)mac_addr[3] << 16) |
998                                         ((u32)mac_addr[4] << 8) |
999                                         mac_addr[5]);
1000
1001         status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1002
1003         return status;
1004 }
1005
1006 /**
1007  * i40e_get_mac_addr - get MAC address
1008  * @hw: pointer to the HW structure
1009  * @mac_addr: pointer to MAC address
1010  *
1011  * Reads the adapter's MAC address from register
1012  **/
1013 i40e_status i40e_get_mac_addr(struct i40e_hw *hw, u8 *mac_addr)
1014 {
1015         struct i40e_aqc_mac_address_read_data addrs;
1016         i40e_status status;
1017         u16 flags = 0;
1018
1019         status = i40e_aq_mac_address_read(hw, &flags, &addrs, NULL);
1020
1021         if (flags & I40E_AQC_LAN_ADDR_VALID)
1022                 ether_addr_copy(mac_addr, addrs.pf_lan_mac);
1023
1024         return status;
1025 }
1026
1027 /**
1028  * i40e_get_port_mac_addr - get Port MAC address
1029  * @hw: pointer to the HW structure
1030  * @mac_addr: pointer to Port MAC address
1031  *
1032  * Reads the adapter's Port MAC address
1033  **/
1034 i40e_status i40e_get_port_mac_addr(struct i40e_hw *hw, u8 *mac_addr)
1035 {
1036         struct i40e_aqc_mac_address_read_data addrs;
1037         i40e_status status;
1038         u16 flags = 0;
1039
1040         status = i40e_aq_mac_address_read(hw, &flags, &addrs, NULL);
1041         if (status)
1042                 return status;
1043
1044         if (flags & I40E_AQC_PORT_ADDR_VALID)
1045                 ether_addr_copy(mac_addr, addrs.port_mac);
1046         else
1047                 status = I40E_ERR_INVALID_MAC_ADDR;
1048
1049         return status;
1050 }
1051
1052 /**
1053  * i40e_pre_tx_queue_cfg - pre tx queue configure
1054  * @hw: pointer to the HW structure
1055  * @queue: target PF queue index
1056  * @enable: state change request
1057  *
1058  * Handles hw requirement to indicate intention to enable
1059  * or disable target queue.
1060  **/
1061 void i40e_pre_tx_queue_cfg(struct i40e_hw *hw, u32 queue, bool enable)
1062 {
1063         u32 abs_queue_idx = hw->func_caps.base_queue + queue;
1064         u32 reg_block = 0;
1065         u32 reg_val;
1066
1067         if (abs_queue_idx >= 128) {
1068                 reg_block = abs_queue_idx / 128;
1069                 abs_queue_idx %= 128;
1070         }
1071
1072         reg_val = rd32(hw, I40E_GLLAN_TXPRE_QDIS(reg_block));
1073         reg_val &= ~I40E_GLLAN_TXPRE_QDIS_QINDX_MASK;
1074         reg_val |= (abs_queue_idx << I40E_GLLAN_TXPRE_QDIS_QINDX_SHIFT);
1075
1076         if (enable)
1077                 reg_val |= I40E_GLLAN_TXPRE_QDIS_CLEAR_QDIS_MASK;
1078         else
1079                 reg_val |= I40E_GLLAN_TXPRE_QDIS_SET_QDIS_MASK;
1080
1081         wr32(hw, I40E_GLLAN_TXPRE_QDIS(reg_block), reg_val);
1082 }
1083 #ifdef I40E_FCOE
1084
1085 /**
1086  * i40e_get_san_mac_addr - get SAN MAC address
1087  * @hw: pointer to the HW structure
1088  * @mac_addr: pointer to SAN MAC address
1089  *
1090  * Reads the adapter's SAN MAC address from NVM
1091  **/
1092 i40e_status i40e_get_san_mac_addr(struct i40e_hw *hw, u8 *mac_addr)
1093 {
1094         struct i40e_aqc_mac_address_read_data addrs;
1095         i40e_status status;
1096         u16 flags = 0;
1097
1098         status = i40e_aq_mac_address_read(hw, &flags, &addrs, NULL);
1099         if (status)
1100                 return status;
1101
1102         if (flags & I40E_AQC_SAN_ADDR_VALID)
1103                 ether_addr_copy(mac_addr, addrs.pf_san_mac);
1104         else
1105                 status = I40E_ERR_INVALID_MAC_ADDR;
1106
1107         return status;
1108 }
1109 #endif
1110
1111 /**
1112  *  i40e_read_pba_string - Reads part number string from EEPROM
1113  *  @hw: pointer to hardware structure
1114  *  @pba_num: stores the part number string from the EEPROM
1115  *  @pba_num_size: part number string buffer length
1116  *
1117  *  Reads the part number string from the EEPROM.
1118  **/
1119 i40e_status i40e_read_pba_string(struct i40e_hw *hw, u8 *pba_num,
1120                                  u32 pba_num_size)
1121 {
1122         i40e_status status = 0;
1123         u16 pba_word = 0;
1124         u16 pba_size = 0;
1125         u16 pba_ptr = 0;
1126         u16 i = 0;
1127
1128         status = i40e_read_nvm_word(hw, I40E_SR_PBA_FLAGS, &pba_word);
1129         if (status || (pba_word != 0xFAFA)) {
1130                 hw_dbg(hw, "Failed to read PBA flags or flag is invalid.\n");
1131                 return status;
1132         }
1133
1134         status = i40e_read_nvm_word(hw, I40E_SR_PBA_BLOCK_PTR, &pba_ptr);
1135         if (status) {
1136                 hw_dbg(hw, "Failed to read PBA Block pointer.\n");
1137                 return status;
1138         }
1139
1140         status = i40e_read_nvm_word(hw, pba_ptr, &pba_size);
1141         if (status) {
1142                 hw_dbg(hw, "Failed to read PBA Block size.\n");
1143                 return status;
1144         }
1145
1146         /* Subtract one to get PBA word count (PBA Size word is included in
1147          * total size)
1148          */
1149         pba_size--;
1150         if (pba_num_size < (((u32)pba_size * 2) + 1)) {
1151                 hw_dbg(hw, "Buffer to small for PBA data.\n");
1152                 return I40E_ERR_PARAM;
1153         }
1154
1155         for (i = 0; i < pba_size; i++) {
1156                 status = i40e_read_nvm_word(hw, (pba_ptr + 1) + i, &pba_word);
1157                 if (status) {
1158                         hw_dbg(hw, "Failed to read PBA Block word %d.\n", i);
1159                         return status;
1160                 }
1161
1162                 pba_num[(i * 2)] = (pba_word >> 8) & 0xFF;
1163                 pba_num[(i * 2) + 1] = pba_word & 0xFF;
1164         }
1165         pba_num[(pba_size * 2)] = '\0';
1166
1167         return status;
1168 }
1169
1170 /**
1171  * i40e_get_media_type - Gets media type
1172  * @hw: pointer to the hardware structure
1173  **/
1174 static enum i40e_media_type i40e_get_media_type(struct i40e_hw *hw)
1175 {
1176         enum i40e_media_type media;
1177
1178         switch (hw->phy.link_info.phy_type) {
1179         case I40E_PHY_TYPE_10GBASE_SR:
1180         case I40E_PHY_TYPE_10GBASE_LR:
1181         case I40E_PHY_TYPE_1000BASE_SX:
1182         case I40E_PHY_TYPE_1000BASE_LX:
1183         case I40E_PHY_TYPE_40GBASE_SR4:
1184         case I40E_PHY_TYPE_40GBASE_LR4:
1185                 media = I40E_MEDIA_TYPE_FIBER;
1186                 break;
1187         case I40E_PHY_TYPE_100BASE_TX:
1188         case I40E_PHY_TYPE_1000BASE_T:
1189         case I40E_PHY_TYPE_10GBASE_T:
1190                 media = I40E_MEDIA_TYPE_BASET;
1191                 break;
1192         case I40E_PHY_TYPE_10GBASE_CR1_CU:
1193         case I40E_PHY_TYPE_40GBASE_CR4_CU:
1194         case I40E_PHY_TYPE_10GBASE_CR1:
1195         case I40E_PHY_TYPE_40GBASE_CR4:
1196         case I40E_PHY_TYPE_10GBASE_SFPP_CU:
1197         case I40E_PHY_TYPE_40GBASE_AOC:
1198         case I40E_PHY_TYPE_10GBASE_AOC:
1199                 media = I40E_MEDIA_TYPE_DA;
1200                 break;
1201         case I40E_PHY_TYPE_1000BASE_KX:
1202         case I40E_PHY_TYPE_10GBASE_KX4:
1203         case I40E_PHY_TYPE_10GBASE_KR:
1204         case I40E_PHY_TYPE_40GBASE_KR4:
1205         case I40E_PHY_TYPE_20GBASE_KR2:
1206                 media = I40E_MEDIA_TYPE_BACKPLANE;
1207                 break;
1208         case I40E_PHY_TYPE_SGMII:
1209         case I40E_PHY_TYPE_XAUI:
1210         case I40E_PHY_TYPE_XFI:
1211         case I40E_PHY_TYPE_XLAUI:
1212         case I40E_PHY_TYPE_XLPPI:
1213         default:
1214                 media = I40E_MEDIA_TYPE_UNKNOWN;
1215                 break;
1216         }
1217
1218         return media;
1219 }
1220
1221 #define I40E_PF_RESET_WAIT_COUNT_A0     200
1222 #define I40E_PF_RESET_WAIT_COUNT        200
1223 /**
1224  * i40e_pf_reset - Reset the PF
1225  * @hw: pointer to the hardware structure
1226  *
1227  * Assuming someone else has triggered a global reset,
1228  * assure the global reset is complete and then reset the PF
1229  **/
1230 i40e_status i40e_pf_reset(struct i40e_hw *hw)
1231 {
1232         u32 cnt = 0;
1233         u32 cnt1 = 0;
1234         u32 reg = 0;
1235         u32 grst_del;
1236
1237         /* Poll for Global Reset steady state in case of recent GRST.
1238          * The grst delay value is in 100ms units, and we'll wait a
1239          * couple counts longer to be sure we don't just miss the end.
1240          */
1241         grst_del = (rd32(hw, I40E_GLGEN_RSTCTL) &
1242                     I40E_GLGEN_RSTCTL_GRSTDEL_MASK) >>
1243                     I40E_GLGEN_RSTCTL_GRSTDEL_SHIFT;
1244
1245         /* It can take upto 15 secs for GRST steady state.
1246          * Bump it to 16 secs max to be safe.
1247          */
1248         grst_del = grst_del * 20;
1249
1250         for (cnt = 0; cnt < grst_del; cnt++) {
1251                 reg = rd32(hw, I40E_GLGEN_RSTAT);
1252                 if (!(reg & I40E_GLGEN_RSTAT_DEVSTATE_MASK))
1253                         break;
1254                 msleep(100);
1255         }
1256         if (reg & I40E_GLGEN_RSTAT_DEVSTATE_MASK) {
1257                 hw_dbg(hw, "Global reset polling failed to complete.\n");
1258                 return I40E_ERR_RESET_FAILED;
1259         }
1260
1261         /* Now Wait for the FW to be ready */
1262         for (cnt1 = 0; cnt1 < I40E_PF_RESET_WAIT_COUNT; cnt1++) {
1263                 reg = rd32(hw, I40E_GLNVM_ULD);
1264                 reg &= (I40E_GLNVM_ULD_CONF_CORE_DONE_MASK |
1265                         I40E_GLNVM_ULD_CONF_GLOBAL_DONE_MASK);
1266                 if (reg == (I40E_GLNVM_ULD_CONF_CORE_DONE_MASK |
1267                             I40E_GLNVM_ULD_CONF_GLOBAL_DONE_MASK)) {
1268                         hw_dbg(hw, "Core and Global modules ready %d\n", cnt1);
1269                         break;
1270                 }
1271                 usleep_range(10000, 20000);
1272         }
1273         if (!(reg & (I40E_GLNVM_ULD_CONF_CORE_DONE_MASK |
1274                      I40E_GLNVM_ULD_CONF_GLOBAL_DONE_MASK))) {
1275                 hw_dbg(hw, "wait for FW Reset complete timedout\n");
1276                 hw_dbg(hw, "I40E_GLNVM_ULD = 0x%x\n", reg);
1277                 return I40E_ERR_RESET_FAILED;
1278         }
1279
1280         /* If there was a Global Reset in progress when we got here,
1281          * we don't need to do the PF Reset
1282          */
1283         if (!cnt) {
1284                 if (hw->revision_id == 0)
1285                         cnt = I40E_PF_RESET_WAIT_COUNT_A0;
1286                 else
1287                         cnt = I40E_PF_RESET_WAIT_COUNT;
1288                 reg = rd32(hw, I40E_PFGEN_CTRL);
1289                 wr32(hw, I40E_PFGEN_CTRL,
1290                      (reg | I40E_PFGEN_CTRL_PFSWR_MASK));
1291                 for (; cnt; cnt--) {
1292                         reg = rd32(hw, I40E_PFGEN_CTRL);
1293                         if (!(reg & I40E_PFGEN_CTRL_PFSWR_MASK))
1294                                 break;
1295                         usleep_range(1000, 2000);
1296                 }
1297                 if (reg & I40E_PFGEN_CTRL_PFSWR_MASK) {
1298                         hw_dbg(hw, "PF reset polling failed to complete.\n");
1299                         return I40E_ERR_RESET_FAILED;
1300                 }
1301         }
1302
1303         i40e_clear_pxe_mode(hw);
1304
1305         return 0;
1306 }
1307
1308 /**
1309  * i40e_clear_hw - clear out any left over hw state
1310  * @hw: pointer to the hw struct
1311  *
1312  * Clear queues and interrupts, typically called at init time,
1313  * but after the capabilities have been found so we know how many
1314  * queues and msix vectors have been allocated.
1315  **/
1316 void i40e_clear_hw(struct i40e_hw *hw)
1317 {
1318         u32 num_queues, base_queue;
1319         u32 num_pf_int;
1320         u32 num_vf_int;
1321         u32 num_vfs;
1322         u32 i, j;
1323         u32 val;
1324         u32 eol = 0x7ff;
1325
1326         /* get number of interrupts, queues, and VFs */
1327         val = rd32(hw, I40E_GLPCI_CNF2);
1328         num_pf_int = (val & I40E_GLPCI_CNF2_MSI_X_PF_N_MASK) >>
1329                      I40E_GLPCI_CNF2_MSI_X_PF_N_SHIFT;
1330         num_vf_int = (val & I40E_GLPCI_CNF2_MSI_X_VF_N_MASK) >>
1331                      I40E_GLPCI_CNF2_MSI_X_VF_N_SHIFT;
1332
1333         val = rd32(hw, I40E_PFLAN_QALLOC);
1334         base_queue = (val & I40E_PFLAN_QALLOC_FIRSTQ_MASK) >>
1335                      I40E_PFLAN_QALLOC_FIRSTQ_SHIFT;
1336         j = (val & I40E_PFLAN_QALLOC_LASTQ_MASK) >>
1337             I40E_PFLAN_QALLOC_LASTQ_SHIFT;
1338         if (val & I40E_PFLAN_QALLOC_VALID_MASK)
1339                 num_queues = (j - base_queue) + 1;
1340         else
1341                 num_queues = 0;
1342
1343         val = rd32(hw, I40E_PF_VT_PFALLOC);
1344         i = (val & I40E_PF_VT_PFALLOC_FIRSTVF_MASK) >>
1345             I40E_PF_VT_PFALLOC_FIRSTVF_SHIFT;
1346         j = (val & I40E_PF_VT_PFALLOC_LASTVF_MASK) >>
1347             I40E_PF_VT_PFALLOC_LASTVF_SHIFT;
1348         if (val & I40E_PF_VT_PFALLOC_VALID_MASK)
1349                 num_vfs = (j - i) + 1;
1350         else
1351                 num_vfs = 0;
1352
1353         /* stop all the interrupts */
1354         wr32(hw, I40E_PFINT_ICR0_ENA, 0);
1355         val = 0x3 << I40E_PFINT_DYN_CTLN_ITR_INDX_SHIFT;
1356         for (i = 0; i < num_pf_int - 2; i++)
1357                 wr32(hw, I40E_PFINT_DYN_CTLN(i), val);
1358
1359         /* Set the FIRSTQ_INDX field to 0x7FF in PFINT_LNKLSTx */
1360         val = eol << I40E_PFINT_LNKLST0_FIRSTQ_INDX_SHIFT;
1361         wr32(hw, I40E_PFINT_LNKLST0, val);
1362         for (i = 0; i < num_pf_int - 2; i++)
1363                 wr32(hw, I40E_PFINT_LNKLSTN(i), val);
1364         val = eol << I40E_VPINT_LNKLST0_FIRSTQ_INDX_SHIFT;
1365         for (i = 0; i < num_vfs; i++)
1366                 wr32(hw, I40E_VPINT_LNKLST0(i), val);
1367         for (i = 0; i < num_vf_int - 2; i++)
1368                 wr32(hw, I40E_VPINT_LNKLSTN(i), val);
1369
1370         /* warn the HW of the coming Tx disables */
1371         for (i = 0; i < num_queues; i++) {
1372                 u32 abs_queue_idx = base_queue + i;
1373                 u32 reg_block = 0;
1374
1375                 if (abs_queue_idx >= 128) {
1376                         reg_block = abs_queue_idx / 128;
1377                         abs_queue_idx %= 128;
1378                 }
1379
1380                 val = rd32(hw, I40E_GLLAN_TXPRE_QDIS(reg_block));
1381                 val &= ~I40E_GLLAN_TXPRE_QDIS_QINDX_MASK;
1382                 val |= (abs_queue_idx << I40E_GLLAN_TXPRE_QDIS_QINDX_SHIFT);
1383                 val |= I40E_GLLAN_TXPRE_QDIS_SET_QDIS_MASK;
1384
1385                 wr32(hw, I40E_GLLAN_TXPRE_QDIS(reg_block), val);
1386         }
1387         udelay(400);
1388
1389         /* stop all the queues */
1390         for (i = 0; i < num_queues; i++) {
1391                 wr32(hw, I40E_QINT_TQCTL(i), 0);
1392                 wr32(hw, I40E_QTX_ENA(i), 0);
1393                 wr32(hw, I40E_QINT_RQCTL(i), 0);
1394                 wr32(hw, I40E_QRX_ENA(i), 0);
1395         }
1396
1397         /* short wait for all queue disables to settle */
1398         udelay(50);
1399 }
1400
1401 /**
1402  * i40e_clear_pxe_mode - clear pxe operations mode
1403  * @hw: pointer to the hw struct
1404  *
1405  * Make sure all PXE mode settings are cleared, including things
1406  * like descriptor fetch/write-back mode.
1407  **/
1408 void i40e_clear_pxe_mode(struct i40e_hw *hw)
1409 {
1410         u32 reg;
1411
1412         if (i40e_check_asq_alive(hw))
1413                 i40e_aq_clear_pxe_mode(hw, NULL);
1414
1415         /* Clear single descriptor fetch/write-back mode */
1416         reg = rd32(hw, I40E_GLLAN_RCTL_0);
1417
1418         if (hw->revision_id == 0) {
1419                 /* As a work around clear PXE_MODE instead of setting it */
1420                 wr32(hw, I40E_GLLAN_RCTL_0, (reg & (~I40E_GLLAN_RCTL_0_PXE_MODE_MASK)));
1421         } else {
1422                 wr32(hw, I40E_GLLAN_RCTL_0, (reg | I40E_GLLAN_RCTL_0_PXE_MODE_MASK));
1423         }
1424 }
1425
1426 /**
1427  * i40e_led_is_mine - helper to find matching led
1428  * @hw: pointer to the hw struct
1429  * @idx: index into GPIO registers
1430  *
1431  * returns: 0 if no match, otherwise the value of the GPIO_CTL register
1432  */
1433 static u32 i40e_led_is_mine(struct i40e_hw *hw, int idx)
1434 {
1435         u32 gpio_val = 0;
1436         u32 port;
1437
1438         if (!hw->func_caps.led[idx])
1439                 return 0;
1440
1441         gpio_val = rd32(hw, I40E_GLGEN_GPIO_CTL(idx));
1442         port = (gpio_val & I40E_GLGEN_GPIO_CTL_PRT_NUM_MASK) >>
1443                 I40E_GLGEN_GPIO_CTL_PRT_NUM_SHIFT;
1444
1445         /* if PRT_NUM_NA is 1 then this LED is not port specific, OR
1446          * if it is not our port then ignore
1447          */
1448         if ((gpio_val & I40E_GLGEN_GPIO_CTL_PRT_NUM_NA_MASK) ||
1449             (port != hw->port))
1450                 return 0;
1451
1452         return gpio_val;
1453 }
1454
1455 #define I40E_COMBINED_ACTIVITY 0xA
1456 #define I40E_FILTER_ACTIVITY 0xE
1457 #define I40E_LINK_ACTIVITY 0xC
1458 #define I40E_MAC_ACTIVITY 0xD
1459 #define I40E_LED0 22
1460
1461 /**
1462  * i40e_led_get - return current on/off mode
1463  * @hw: pointer to the hw struct
1464  *
1465  * The value returned is the 'mode' field as defined in the
1466  * GPIO register definitions: 0x0 = off, 0xf = on, and other
1467  * values are variations of possible behaviors relating to
1468  * blink, link, and wire.
1469  **/
1470 u32 i40e_led_get(struct i40e_hw *hw)
1471 {
1472         u32 current_mode = 0;
1473         u32 mode = 0;
1474         int i;
1475
1476         /* as per the documentation GPIO 22-29 are the LED
1477          * GPIO pins named LED0..LED7
1478          */
1479         for (i = I40E_LED0; i <= I40E_GLGEN_GPIO_CTL_MAX_INDEX; i++) {
1480                 u32 gpio_val = i40e_led_is_mine(hw, i);
1481
1482                 if (!gpio_val)
1483                         continue;
1484
1485                 /* ignore gpio LED src mode entries related to the activity
1486                  * LEDs
1487                  */
1488                 current_mode = ((gpio_val & I40E_GLGEN_GPIO_CTL_LED_MODE_MASK)
1489                                 >> I40E_GLGEN_GPIO_CTL_LED_MODE_SHIFT);
1490                 switch (current_mode) {
1491                 case I40E_COMBINED_ACTIVITY:
1492                 case I40E_FILTER_ACTIVITY:
1493                 case I40E_MAC_ACTIVITY:
1494                         continue;
1495                 default:
1496                         break;
1497                 }
1498
1499                 mode = (gpio_val & I40E_GLGEN_GPIO_CTL_LED_MODE_MASK) >>
1500                         I40E_GLGEN_GPIO_CTL_LED_MODE_SHIFT;
1501                 break;
1502         }
1503
1504         return mode;
1505 }
1506
1507 /**
1508  * i40e_led_set - set new on/off mode
1509  * @hw: pointer to the hw struct
1510  * @mode: 0=off, 0xf=on (else see manual for mode details)
1511  * @blink: true if the LED should blink when on, false if steady
1512  *
1513  * if this function is used to turn on the blink it should
1514  * be used to disable the blink when restoring the original state.
1515  **/
1516 void i40e_led_set(struct i40e_hw *hw, u32 mode, bool blink)
1517 {
1518         u32 current_mode = 0;
1519         int i;
1520
1521         if (mode & 0xfffffff0)
1522                 hw_dbg(hw, "invalid mode passed in %X\n", mode);
1523
1524         /* as per the documentation GPIO 22-29 are the LED
1525          * GPIO pins named LED0..LED7
1526          */
1527         for (i = I40E_LED0; i <= I40E_GLGEN_GPIO_CTL_MAX_INDEX; i++) {
1528                 u32 gpio_val = i40e_led_is_mine(hw, i);
1529
1530                 if (!gpio_val)
1531                         continue;
1532
1533                 /* ignore gpio LED src mode entries related to the activity
1534                  * LEDs
1535                  */
1536                 current_mode = ((gpio_val & I40E_GLGEN_GPIO_CTL_LED_MODE_MASK)
1537                                 >> I40E_GLGEN_GPIO_CTL_LED_MODE_SHIFT);
1538                 switch (current_mode) {
1539                 case I40E_COMBINED_ACTIVITY:
1540                 case I40E_FILTER_ACTIVITY:
1541                 case I40E_MAC_ACTIVITY:
1542                         continue;
1543                 default:
1544                         break;
1545                 }
1546
1547                 gpio_val &= ~I40E_GLGEN_GPIO_CTL_LED_MODE_MASK;
1548                 /* this & is a bit of paranoia, but serves as a range check */
1549                 gpio_val |= ((mode << I40E_GLGEN_GPIO_CTL_LED_MODE_SHIFT) &
1550                              I40E_GLGEN_GPIO_CTL_LED_MODE_MASK);
1551
1552                 if (mode == I40E_LINK_ACTIVITY)
1553                         blink = false;
1554
1555                 if (blink)
1556                         gpio_val |= BIT(I40E_GLGEN_GPIO_CTL_LED_BLINK_SHIFT);
1557                 else
1558                         gpio_val &= ~BIT(I40E_GLGEN_GPIO_CTL_LED_BLINK_SHIFT);
1559
1560                 wr32(hw, I40E_GLGEN_GPIO_CTL(i), gpio_val);
1561                 break;
1562         }
1563 }
1564
1565 /* Admin command wrappers */
1566
1567 /**
1568  * i40e_aq_get_phy_capabilities
1569  * @hw: pointer to the hw struct
1570  * @abilities: structure for PHY capabilities to be filled
1571  * @qualified_modules: report Qualified Modules
1572  * @report_init: report init capabilities (active are default)
1573  * @cmd_details: pointer to command details structure or NULL
1574  *
1575  * Returns the various PHY abilities supported on the Port.
1576  **/
1577 i40e_status i40e_aq_get_phy_capabilities(struct i40e_hw *hw,
1578                         bool qualified_modules, bool report_init,
1579                         struct i40e_aq_get_phy_abilities_resp *abilities,
1580                         struct i40e_asq_cmd_details *cmd_details)
1581 {
1582         struct i40e_aq_desc desc;
1583         i40e_status status;
1584         u16 abilities_size = sizeof(struct i40e_aq_get_phy_abilities_resp);
1585
1586         if (!abilities)
1587                 return I40E_ERR_PARAM;
1588
1589         i40e_fill_default_direct_cmd_desc(&desc,
1590                                           i40e_aqc_opc_get_phy_abilities);
1591
1592         desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
1593         if (abilities_size > I40E_AQ_LARGE_BUF)
1594                 desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
1595
1596         if (qualified_modules)
1597                 desc.params.external.param0 |=
1598                         cpu_to_le32(I40E_AQ_PHY_REPORT_QUALIFIED_MODULES);
1599
1600         if (report_init)
1601                 desc.params.external.param0 |=
1602                         cpu_to_le32(I40E_AQ_PHY_REPORT_INITIAL_VALUES);
1603
1604         status = i40e_asq_send_command(hw, &desc, abilities, abilities_size,
1605                                        cmd_details);
1606
1607         if (hw->aq.asq_last_status == I40E_AQ_RC_EIO)
1608                 status = I40E_ERR_UNKNOWN_PHY;
1609
1610         if (report_init)
1611                 hw->phy.phy_types = le32_to_cpu(abilities->phy_type);
1612
1613         return status;
1614 }
1615
1616 /**
1617  * i40e_aq_set_phy_config
1618  * @hw: pointer to the hw struct
1619  * @config: structure with PHY configuration to be set
1620  * @cmd_details: pointer to command details structure or NULL
1621  *
1622  * Set the various PHY configuration parameters
1623  * supported on the Port.One or more of the Set PHY config parameters may be
1624  * ignored in an MFP mode as the PF may not have the privilege to set some
1625  * of the PHY Config parameters. This status will be indicated by the
1626  * command response.
1627  **/
1628 enum i40e_status_code i40e_aq_set_phy_config(struct i40e_hw *hw,
1629                                 struct i40e_aq_set_phy_config *config,
1630                                 struct i40e_asq_cmd_details *cmd_details)
1631 {
1632         struct i40e_aq_desc desc;
1633         struct i40e_aq_set_phy_config *cmd =
1634                         (struct i40e_aq_set_phy_config *)&desc.params.raw;
1635         enum i40e_status_code status;
1636
1637         if (!config)
1638                 return I40E_ERR_PARAM;
1639
1640         i40e_fill_default_direct_cmd_desc(&desc,
1641                                           i40e_aqc_opc_set_phy_config);
1642
1643         *cmd = *config;
1644
1645         status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1646
1647         return status;
1648 }
1649
1650 /**
1651  * i40e_set_fc
1652  * @hw: pointer to the hw struct
1653  *
1654  * Set the requested flow control mode using set_phy_config.
1655  **/
1656 enum i40e_status_code i40e_set_fc(struct i40e_hw *hw, u8 *aq_failures,
1657                                   bool atomic_restart)
1658 {
1659         enum i40e_fc_mode fc_mode = hw->fc.requested_mode;
1660         struct i40e_aq_get_phy_abilities_resp abilities;
1661         struct i40e_aq_set_phy_config config;
1662         enum i40e_status_code status;
1663         u8 pause_mask = 0x0;
1664
1665         *aq_failures = 0x0;
1666
1667         switch (fc_mode) {
1668         case I40E_FC_FULL:
1669                 pause_mask |= I40E_AQ_PHY_FLAG_PAUSE_TX;
1670                 pause_mask |= I40E_AQ_PHY_FLAG_PAUSE_RX;
1671                 break;
1672         case I40E_FC_RX_PAUSE:
1673                 pause_mask |= I40E_AQ_PHY_FLAG_PAUSE_RX;
1674                 break;
1675         case I40E_FC_TX_PAUSE:
1676                 pause_mask |= I40E_AQ_PHY_FLAG_PAUSE_TX;
1677                 break;
1678         default:
1679                 break;
1680         }
1681
1682         /* Get the current phy config */
1683         status = i40e_aq_get_phy_capabilities(hw, false, false, &abilities,
1684                                               NULL);
1685         if (status) {
1686                 *aq_failures |= I40E_SET_FC_AQ_FAIL_GET;
1687                 return status;
1688         }
1689
1690         memset(&config, 0, sizeof(struct i40e_aq_set_phy_config));
1691         /* clear the old pause settings */
1692         config.abilities = abilities.abilities & ~(I40E_AQ_PHY_FLAG_PAUSE_TX) &
1693                            ~(I40E_AQ_PHY_FLAG_PAUSE_RX);
1694         /* set the new abilities */
1695         config.abilities |= pause_mask;
1696         /* If the abilities have changed, then set the new config */
1697         if (config.abilities != abilities.abilities) {
1698                 /* Auto restart link so settings take effect */
1699                 if (atomic_restart)
1700                         config.abilities |= I40E_AQ_PHY_ENABLE_ATOMIC_LINK;
1701                 /* Copy over all the old settings */
1702                 config.phy_type = abilities.phy_type;
1703                 config.link_speed = abilities.link_speed;
1704                 config.eee_capability = abilities.eee_capability;
1705                 config.eeer = abilities.eeer_val;
1706                 config.low_power_ctrl = abilities.d3_lpan;
1707                 status = i40e_aq_set_phy_config(hw, &config, NULL);
1708
1709                 if (status)
1710                         *aq_failures |= I40E_SET_FC_AQ_FAIL_SET;
1711         }
1712         /* Update the link info */
1713         status = i40e_update_link_info(hw);
1714         if (status) {
1715                 /* Wait a little bit (on 40G cards it sometimes takes a really
1716                  * long time for link to come back from the atomic reset)
1717                  * and try once more
1718                  */
1719                 msleep(1000);
1720                 status = i40e_update_link_info(hw);
1721         }
1722         if (status)
1723                 *aq_failures |= I40E_SET_FC_AQ_FAIL_UPDATE;
1724
1725         return status;
1726 }
1727
1728 /**
1729  * i40e_aq_clear_pxe_mode
1730  * @hw: pointer to the hw struct
1731  * @cmd_details: pointer to command details structure or NULL
1732  *
1733  * Tell the firmware that the driver is taking over from PXE
1734  **/
1735 i40e_status i40e_aq_clear_pxe_mode(struct i40e_hw *hw,
1736                                 struct i40e_asq_cmd_details *cmd_details)
1737 {
1738         i40e_status status;
1739         struct i40e_aq_desc desc;
1740         struct i40e_aqc_clear_pxe *cmd =
1741                 (struct i40e_aqc_clear_pxe *)&desc.params.raw;
1742
1743         i40e_fill_default_direct_cmd_desc(&desc,
1744                                           i40e_aqc_opc_clear_pxe_mode);
1745
1746         cmd->rx_cnt = 0x2;
1747
1748         status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1749
1750         wr32(hw, I40E_GLLAN_RCTL_0, 0x1);
1751
1752         return status;
1753 }
1754
1755 /**
1756  * i40e_aq_set_link_restart_an
1757  * @hw: pointer to the hw struct
1758  * @enable_link: if true: enable link, if false: disable link
1759  * @cmd_details: pointer to command details structure or NULL
1760  *
1761  * Sets up the link and restarts the Auto-Negotiation over the link.
1762  **/
1763 i40e_status i40e_aq_set_link_restart_an(struct i40e_hw *hw,
1764                                         bool enable_link,
1765                                         struct i40e_asq_cmd_details *cmd_details)
1766 {
1767         struct i40e_aq_desc desc;
1768         struct i40e_aqc_set_link_restart_an *cmd =
1769                 (struct i40e_aqc_set_link_restart_an *)&desc.params.raw;
1770         i40e_status status;
1771
1772         i40e_fill_default_direct_cmd_desc(&desc,
1773                                           i40e_aqc_opc_set_link_restart_an);
1774
1775         cmd->command = I40E_AQ_PHY_RESTART_AN;
1776         if (enable_link)
1777                 cmd->command |= I40E_AQ_PHY_LINK_ENABLE;
1778         else
1779                 cmd->command &= ~I40E_AQ_PHY_LINK_ENABLE;
1780
1781         status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1782
1783         return status;
1784 }
1785
1786 /**
1787  * i40e_aq_get_link_info
1788  * @hw: pointer to the hw struct
1789  * @enable_lse: enable/disable LinkStatusEvent reporting
1790  * @link: pointer to link status structure - optional
1791  * @cmd_details: pointer to command details structure or NULL
1792  *
1793  * Returns the link status of the adapter.
1794  **/
1795 i40e_status i40e_aq_get_link_info(struct i40e_hw *hw,
1796                                 bool enable_lse, struct i40e_link_status *link,
1797                                 struct i40e_asq_cmd_details *cmd_details)
1798 {
1799         struct i40e_aq_desc desc;
1800         struct i40e_aqc_get_link_status *resp =
1801                 (struct i40e_aqc_get_link_status *)&desc.params.raw;
1802         struct i40e_link_status *hw_link_info = &hw->phy.link_info;
1803         i40e_status status;
1804         bool tx_pause, rx_pause;
1805         u16 command_flags;
1806
1807         i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_get_link_status);
1808
1809         if (enable_lse)
1810                 command_flags = I40E_AQ_LSE_ENABLE;
1811         else
1812                 command_flags = I40E_AQ_LSE_DISABLE;
1813         resp->command_flags = cpu_to_le16(command_flags);
1814
1815         status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1816
1817         if (status)
1818                 goto aq_get_link_info_exit;
1819
1820         /* save off old link status information */
1821         hw->phy.link_info_old = *hw_link_info;
1822
1823         /* update link status */
1824         hw_link_info->phy_type = (enum i40e_aq_phy_type)resp->phy_type;
1825         hw->phy.media_type = i40e_get_media_type(hw);
1826         hw_link_info->link_speed = (enum i40e_aq_link_speed)resp->link_speed;
1827         hw_link_info->link_info = resp->link_info;
1828         hw_link_info->an_info = resp->an_info;
1829         hw_link_info->ext_info = resp->ext_info;
1830         hw_link_info->loopback = resp->loopback;
1831         hw_link_info->max_frame_size = le16_to_cpu(resp->max_frame_size);
1832         hw_link_info->pacing = resp->config & I40E_AQ_CONFIG_PACING_MASK;
1833
1834         /* update fc info */
1835         tx_pause = !!(resp->an_info & I40E_AQ_LINK_PAUSE_TX);
1836         rx_pause = !!(resp->an_info & I40E_AQ_LINK_PAUSE_RX);
1837         if (tx_pause & rx_pause)
1838                 hw->fc.current_mode = I40E_FC_FULL;
1839         else if (tx_pause)
1840                 hw->fc.current_mode = I40E_FC_TX_PAUSE;
1841         else if (rx_pause)
1842                 hw->fc.current_mode = I40E_FC_RX_PAUSE;
1843         else
1844                 hw->fc.current_mode = I40E_FC_NONE;
1845
1846         if (resp->config & I40E_AQ_CONFIG_CRC_ENA)
1847                 hw_link_info->crc_enable = true;
1848         else
1849                 hw_link_info->crc_enable = false;
1850
1851         if (resp->command_flags & cpu_to_le16(I40E_AQ_LSE_ENABLE))
1852                 hw_link_info->lse_enable = true;
1853         else
1854                 hw_link_info->lse_enable = false;
1855
1856         if ((hw->aq.fw_maj_ver < 4 || (hw->aq.fw_maj_ver == 4 &&
1857              hw->aq.fw_min_ver < 40)) && hw_link_info->phy_type == 0xE)
1858                 hw_link_info->phy_type = I40E_PHY_TYPE_10GBASE_SFPP_CU;
1859
1860         /* save link status information */
1861         if (link)
1862                 *link = *hw_link_info;
1863
1864         /* flag cleared so helper functions don't call AQ again */
1865         hw->phy.get_link_info = false;
1866
1867 aq_get_link_info_exit:
1868         return status;
1869 }
1870
1871 /**
1872  * i40e_aq_set_phy_int_mask
1873  * @hw: pointer to the hw struct
1874  * @mask: interrupt mask to be set
1875  * @cmd_details: pointer to command details structure or NULL
1876  *
1877  * Set link interrupt mask.
1878  **/
1879 i40e_status i40e_aq_set_phy_int_mask(struct i40e_hw *hw,
1880                                      u16 mask,
1881                                      struct i40e_asq_cmd_details *cmd_details)
1882 {
1883         struct i40e_aq_desc desc;
1884         struct i40e_aqc_set_phy_int_mask *cmd =
1885                 (struct i40e_aqc_set_phy_int_mask *)&desc.params.raw;
1886         i40e_status status;
1887
1888         i40e_fill_default_direct_cmd_desc(&desc,
1889                                           i40e_aqc_opc_set_phy_int_mask);
1890
1891         cmd->event_mask = cpu_to_le16(mask);
1892
1893         status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1894
1895         return status;
1896 }
1897
1898 /**
1899  * i40e_aq_set_phy_debug
1900  * @hw: pointer to the hw struct
1901  * @cmd_flags: debug command flags
1902  * @cmd_details: pointer to command details structure or NULL
1903  *
1904  * Reset the external PHY.
1905  **/
1906 i40e_status i40e_aq_set_phy_debug(struct i40e_hw *hw, u8 cmd_flags,
1907                                   struct i40e_asq_cmd_details *cmd_details)
1908 {
1909         struct i40e_aq_desc desc;
1910         struct i40e_aqc_set_phy_debug *cmd =
1911                 (struct i40e_aqc_set_phy_debug *)&desc.params.raw;
1912         i40e_status status;
1913
1914         i40e_fill_default_direct_cmd_desc(&desc,
1915                                           i40e_aqc_opc_set_phy_debug);
1916
1917         cmd->command_flags = cmd_flags;
1918
1919         status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1920
1921         return status;
1922 }
1923
1924 /**
1925  * i40e_aq_add_vsi
1926  * @hw: pointer to the hw struct
1927  * @vsi_ctx: pointer to a vsi context struct
1928  * @cmd_details: pointer to command details structure or NULL
1929  *
1930  * Add a VSI context to the hardware.
1931 **/
1932 i40e_status i40e_aq_add_vsi(struct i40e_hw *hw,
1933                                 struct i40e_vsi_context *vsi_ctx,
1934                                 struct i40e_asq_cmd_details *cmd_details)
1935 {
1936         struct i40e_aq_desc desc;
1937         struct i40e_aqc_add_get_update_vsi *cmd =
1938                 (struct i40e_aqc_add_get_update_vsi *)&desc.params.raw;
1939         struct i40e_aqc_add_get_update_vsi_completion *resp =
1940                 (struct i40e_aqc_add_get_update_vsi_completion *)
1941                 &desc.params.raw;
1942         i40e_status status;
1943
1944         i40e_fill_default_direct_cmd_desc(&desc,
1945                                           i40e_aqc_opc_add_vsi);
1946
1947         cmd->uplink_seid = cpu_to_le16(vsi_ctx->uplink_seid);
1948         cmd->connection_type = vsi_ctx->connection_type;
1949         cmd->vf_id = vsi_ctx->vf_num;
1950         cmd->vsi_flags = cpu_to_le16(vsi_ctx->flags);
1951
1952         desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
1953
1954         status = i40e_asq_send_command(hw, &desc, &vsi_ctx->info,
1955                                     sizeof(vsi_ctx->info), cmd_details);
1956
1957         if (status)
1958                 goto aq_add_vsi_exit;
1959
1960         vsi_ctx->seid = le16_to_cpu(resp->seid);
1961         vsi_ctx->vsi_number = le16_to_cpu(resp->vsi_number);
1962         vsi_ctx->vsis_allocated = le16_to_cpu(resp->vsi_used);
1963         vsi_ctx->vsis_unallocated = le16_to_cpu(resp->vsi_free);
1964
1965 aq_add_vsi_exit:
1966         return status;
1967 }
1968
1969 /**
1970  * i40e_aq_set_vsi_unicast_promiscuous
1971  * @hw: pointer to the hw struct
1972  * @seid: vsi number
1973  * @set: set unicast promiscuous enable/disable
1974  * @cmd_details: pointer to command details structure or NULL
1975  **/
1976 i40e_status i40e_aq_set_vsi_unicast_promiscuous(struct i40e_hw *hw,
1977                                 u16 seid, bool set,
1978                                 struct i40e_asq_cmd_details *cmd_details)
1979 {
1980         struct i40e_aq_desc desc;
1981         struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
1982                 (struct i40e_aqc_set_vsi_promiscuous_modes *)&desc.params.raw;
1983         i40e_status status;
1984         u16 flags = 0;
1985
1986         i40e_fill_default_direct_cmd_desc(&desc,
1987                                         i40e_aqc_opc_set_vsi_promiscuous_modes);
1988
1989         if (set) {
1990                 flags |= I40E_AQC_SET_VSI_PROMISC_UNICAST;
1991                 if (((hw->aq.api_maj_ver == 1) && (hw->aq.api_min_ver >= 5)) ||
1992                     (hw->aq.api_maj_ver > 1))
1993                         flags |= I40E_AQC_SET_VSI_PROMISC_TX;
1994         }
1995
1996         cmd->promiscuous_flags = cpu_to_le16(flags);
1997
1998         cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_UNICAST);
1999         if (((hw->aq.api_maj_ver >= 1) && (hw->aq.api_min_ver >= 5)) ||
2000             (hw->aq.api_maj_ver > 1))
2001                 cmd->valid_flags |= cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_TX);
2002
2003         cmd->seid = cpu_to_le16(seid);
2004         status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2005
2006         return status;
2007 }
2008
2009 /**
2010  * i40e_aq_set_vsi_multicast_promiscuous
2011  * @hw: pointer to the hw struct
2012  * @seid: vsi number
2013  * @set: set multicast promiscuous enable/disable
2014  * @cmd_details: pointer to command details structure or NULL
2015  **/
2016 i40e_status i40e_aq_set_vsi_multicast_promiscuous(struct i40e_hw *hw,
2017                                 u16 seid, bool set, struct i40e_asq_cmd_details *cmd_details)
2018 {
2019         struct i40e_aq_desc desc;
2020         struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
2021                 (struct i40e_aqc_set_vsi_promiscuous_modes *)&desc.params.raw;
2022         i40e_status status;
2023         u16 flags = 0;
2024
2025         i40e_fill_default_direct_cmd_desc(&desc,
2026                                         i40e_aqc_opc_set_vsi_promiscuous_modes);
2027
2028         if (set)
2029                 flags |= I40E_AQC_SET_VSI_PROMISC_MULTICAST;
2030
2031         cmd->promiscuous_flags = cpu_to_le16(flags);
2032
2033         cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_MULTICAST);
2034
2035         cmd->seid = cpu_to_le16(seid);
2036         status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2037
2038         return status;
2039 }
2040
2041 /**
2042  * i40e_aq_set_vsi_mc_promisc_on_vlan
2043  * @hw: pointer to the hw struct
2044  * @seid: vsi number
2045  * @enable: set MAC L2 layer unicast promiscuous enable/disable for a given VLAN
2046  * @vid: The VLAN tag filter - capture any multicast packet with this VLAN tag
2047  * @cmd_details: pointer to command details structure or NULL
2048  **/
2049 enum i40e_status_code i40e_aq_set_vsi_mc_promisc_on_vlan(struct i40e_hw *hw,
2050                                                          u16 seid, bool enable,
2051                                                          u16 vid,
2052                                 struct i40e_asq_cmd_details *cmd_details)
2053 {
2054         struct i40e_aq_desc desc;
2055         struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
2056                 (struct i40e_aqc_set_vsi_promiscuous_modes *)&desc.params.raw;
2057         enum i40e_status_code status;
2058         u16 flags = 0;
2059
2060         i40e_fill_default_direct_cmd_desc(&desc,
2061                                           i40e_aqc_opc_set_vsi_promiscuous_modes);
2062
2063         if (enable)
2064                 flags |= I40E_AQC_SET_VSI_PROMISC_MULTICAST;
2065
2066         cmd->promiscuous_flags = cpu_to_le16(flags);
2067         cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_MULTICAST);
2068         cmd->seid = cpu_to_le16(seid);
2069         cmd->vlan_tag = cpu_to_le16(vid | I40E_AQC_SET_VSI_VLAN_VALID);
2070
2071         status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2072
2073         return status;
2074 }
2075
2076 /**
2077  * i40e_aq_set_vsi_uc_promisc_on_vlan
2078  * @hw: pointer to the hw struct
2079  * @seid: vsi number
2080  * @enable: set MAC L2 layer unicast promiscuous enable/disable for a given VLAN
2081  * @vid: The VLAN tag filter - capture any unicast packet with this VLAN tag
2082  * @cmd_details: pointer to command details structure or NULL
2083  **/
2084 enum i40e_status_code i40e_aq_set_vsi_uc_promisc_on_vlan(struct i40e_hw *hw,
2085                                                          u16 seid, bool enable,
2086                                                          u16 vid,
2087                                 struct i40e_asq_cmd_details *cmd_details)
2088 {
2089         struct i40e_aq_desc desc;
2090         struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
2091                 (struct i40e_aqc_set_vsi_promiscuous_modes *)&desc.params.raw;
2092         enum i40e_status_code status;
2093         u16 flags = 0;
2094
2095         i40e_fill_default_direct_cmd_desc(&desc,
2096                                           i40e_aqc_opc_set_vsi_promiscuous_modes);
2097
2098         if (enable)
2099                 flags |= I40E_AQC_SET_VSI_PROMISC_UNICAST;
2100
2101         cmd->promiscuous_flags = cpu_to_le16(flags);
2102         cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_UNICAST);
2103         cmd->seid = cpu_to_le16(seid);
2104         cmd->vlan_tag = cpu_to_le16(vid | I40E_AQC_SET_VSI_VLAN_VALID);
2105
2106         status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2107
2108         return status;
2109 }
2110
2111 /**
2112  * i40e_aq_set_vsi_broadcast
2113  * @hw: pointer to the hw struct
2114  * @seid: vsi number
2115  * @set_filter: true to set filter, false to clear filter
2116  * @cmd_details: pointer to command details structure or NULL
2117  *
2118  * Set or clear the broadcast promiscuous flag (filter) for a given VSI.
2119  **/
2120 i40e_status i40e_aq_set_vsi_broadcast(struct i40e_hw *hw,
2121                                 u16 seid, bool set_filter,
2122                                 struct i40e_asq_cmd_details *cmd_details)
2123 {
2124         struct i40e_aq_desc desc;
2125         struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
2126                 (struct i40e_aqc_set_vsi_promiscuous_modes *)&desc.params.raw;
2127         i40e_status status;
2128
2129         i40e_fill_default_direct_cmd_desc(&desc,
2130                                         i40e_aqc_opc_set_vsi_promiscuous_modes);
2131
2132         if (set_filter)
2133                 cmd->promiscuous_flags
2134                             |= cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_BROADCAST);
2135         else
2136                 cmd->promiscuous_flags
2137                             &= cpu_to_le16(~I40E_AQC_SET_VSI_PROMISC_BROADCAST);
2138
2139         cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_BROADCAST);
2140         cmd->seid = cpu_to_le16(seid);
2141         status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2142
2143         return status;
2144 }
2145
2146 /**
2147  * i40e_aq_set_vsi_vlan_promisc - control the VLAN promiscuous setting
2148  * @hw: pointer to the hw struct
2149  * @seid: vsi number
2150  * @enable: set MAC L2 layer unicast promiscuous enable/disable for a given VLAN
2151  * @cmd_details: pointer to command details structure or NULL
2152  **/
2153 i40e_status i40e_aq_set_vsi_vlan_promisc(struct i40e_hw *hw,
2154                                        u16 seid, bool enable,
2155                                        struct i40e_asq_cmd_details *cmd_details)
2156 {
2157         struct i40e_aq_desc desc;
2158         struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
2159                 (struct i40e_aqc_set_vsi_promiscuous_modes *)&desc.params.raw;
2160         i40e_status status;
2161         u16 flags = 0;
2162
2163         i40e_fill_default_direct_cmd_desc(&desc,
2164                                         i40e_aqc_opc_set_vsi_promiscuous_modes);
2165         if (enable)
2166                 flags |= I40E_AQC_SET_VSI_PROMISC_VLAN;
2167
2168         cmd->promiscuous_flags = cpu_to_le16(flags);
2169         cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_VLAN);
2170         cmd->seid = cpu_to_le16(seid);
2171
2172         status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2173
2174         return status;
2175 }
2176
2177 /**
2178  * i40e_get_vsi_params - get VSI configuration info
2179  * @hw: pointer to the hw struct
2180  * @vsi_ctx: pointer to a vsi context struct
2181  * @cmd_details: pointer to command details structure or NULL
2182  **/
2183 i40e_status i40e_aq_get_vsi_params(struct i40e_hw *hw,
2184                                 struct i40e_vsi_context *vsi_ctx,
2185                                 struct i40e_asq_cmd_details *cmd_details)
2186 {
2187         struct i40e_aq_desc desc;
2188         struct i40e_aqc_add_get_update_vsi *cmd =
2189                 (struct i40e_aqc_add_get_update_vsi *)&desc.params.raw;
2190         struct i40e_aqc_add_get_update_vsi_completion *resp =
2191                 (struct i40e_aqc_add_get_update_vsi_completion *)
2192                 &desc.params.raw;
2193         i40e_status status;
2194
2195         i40e_fill_default_direct_cmd_desc(&desc,
2196                                           i40e_aqc_opc_get_vsi_parameters);
2197
2198         cmd->uplink_seid = cpu_to_le16(vsi_ctx->seid);
2199
2200         desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
2201
2202         status = i40e_asq_send_command(hw, &desc, &vsi_ctx->info,
2203                                     sizeof(vsi_ctx->info), NULL);
2204
2205         if (status)
2206                 goto aq_get_vsi_params_exit;
2207
2208         vsi_ctx->seid = le16_to_cpu(resp->seid);
2209         vsi_ctx->vsi_number = le16_to_cpu(resp->vsi_number);
2210         vsi_ctx->vsis_allocated = le16_to_cpu(resp->vsi_used);
2211         vsi_ctx->vsis_unallocated = le16_to_cpu(resp->vsi_free);
2212
2213 aq_get_vsi_params_exit:
2214         return status;
2215 }
2216
2217 /**
2218  * i40e_aq_update_vsi_params
2219  * @hw: pointer to the hw struct
2220  * @vsi_ctx: pointer to a vsi context struct
2221  * @cmd_details: pointer to command details structure or NULL
2222  *
2223  * Update a VSI context.
2224  **/
2225 i40e_status i40e_aq_update_vsi_params(struct i40e_hw *hw,
2226                                 struct i40e_vsi_context *vsi_ctx,
2227                                 struct i40e_asq_cmd_details *cmd_details)
2228 {
2229         struct i40e_aq_desc desc;
2230         struct i40e_aqc_add_get_update_vsi *cmd =
2231                 (struct i40e_aqc_add_get_update_vsi *)&desc.params.raw;
2232         struct i40e_aqc_add_get_update_vsi_completion *resp =
2233                 (struct i40e_aqc_add_get_update_vsi_completion *)
2234                 &desc.params.raw;
2235         i40e_status status;
2236
2237         i40e_fill_default_direct_cmd_desc(&desc,
2238                                           i40e_aqc_opc_update_vsi_parameters);
2239         cmd->uplink_seid = cpu_to_le16(vsi_ctx->seid);
2240
2241         desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
2242
2243         status = i40e_asq_send_command(hw, &desc, &vsi_ctx->info,
2244                                     sizeof(vsi_ctx->info), cmd_details);
2245
2246         vsi_ctx->vsis_allocated = le16_to_cpu(resp->vsi_used);
2247         vsi_ctx->vsis_unallocated = le16_to_cpu(resp->vsi_free);
2248
2249         return status;
2250 }
2251
2252 /**
2253  * i40e_aq_get_switch_config
2254  * @hw: pointer to the hardware structure
2255  * @buf: pointer to the result buffer
2256  * @buf_size: length of input buffer
2257  * @start_seid: seid to start for the report, 0 == beginning
2258  * @cmd_details: pointer to command details structure or NULL
2259  *
2260  * Fill the buf with switch configuration returned from AdminQ command
2261  **/
2262 i40e_status i40e_aq_get_switch_config(struct i40e_hw *hw,
2263                                 struct i40e_aqc_get_switch_config_resp *buf,
2264                                 u16 buf_size, u16 *start_seid,
2265                                 struct i40e_asq_cmd_details *cmd_details)
2266 {
2267         struct i40e_aq_desc desc;
2268         struct i40e_aqc_switch_seid *scfg =
2269                 (struct i40e_aqc_switch_seid *)&desc.params.raw;
2270         i40e_status status;
2271
2272         i40e_fill_default_direct_cmd_desc(&desc,
2273                                           i40e_aqc_opc_get_switch_config);
2274         desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
2275         if (buf_size > I40E_AQ_LARGE_BUF)
2276                 desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
2277         scfg->seid = cpu_to_le16(*start_seid);
2278
2279         status = i40e_asq_send_command(hw, &desc, buf, buf_size, cmd_details);
2280         *start_seid = le16_to_cpu(scfg->seid);
2281
2282         return status;
2283 }
2284
2285 /**
2286  * i40e_aq_get_firmware_version
2287  * @hw: pointer to the hw struct
2288  * @fw_major_version: firmware major version
2289  * @fw_minor_version: firmware minor version
2290  * @fw_build: firmware build number
2291  * @api_major_version: major queue version
2292  * @api_minor_version: minor queue version
2293  * @cmd_details: pointer to command details structure or NULL
2294  *
2295  * Get the firmware version from the admin queue commands
2296  **/
2297 i40e_status i40e_aq_get_firmware_version(struct i40e_hw *hw,
2298                                 u16 *fw_major_version, u16 *fw_minor_version,
2299                                 u32 *fw_build,
2300                                 u16 *api_major_version, u16 *api_minor_version,
2301                                 struct i40e_asq_cmd_details *cmd_details)
2302 {
2303         struct i40e_aq_desc desc;
2304         struct i40e_aqc_get_version *resp =
2305                 (struct i40e_aqc_get_version *)&desc.params.raw;
2306         i40e_status status;
2307
2308         i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_get_version);
2309
2310         status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2311
2312         if (!status) {
2313                 if (fw_major_version)
2314                         *fw_major_version = le16_to_cpu(resp->fw_major);
2315                 if (fw_minor_version)
2316                         *fw_minor_version = le16_to_cpu(resp->fw_minor);
2317                 if (fw_build)
2318                         *fw_build = le32_to_cpu(resp->fw_build);
2319                 if (api_major_version)
2320                         *api_major_version = le16_to_cpu(resp->api_major);
2321                 if (api_minor_version)
2322                         *api_minor_version = le16_to_cpu(resp->api_minor);
2323         }
2324
2325         return status;
2326 }
2327
2328 /**
2329  * i40e_aq_send_driver_version
2330  * @hw: pointer to the hw struct
2331  * @dv: driver's major, minor version
2332  * @cmd_details: pointer to command details structure or NULL
2333  *
2334  * Send the driver version to the firmware
2335  **/
2336 i40e_status i40e_aq_send_driver_version(struct i40e_hw *hw,
2337                                 struct i40e_driver_version *dv,
2338                                 struct i40e_asq_cmd_details *cmd_details)
2339 {
2340         struct i40e_aq_desc desc;
2341         struct i40e_aqc_driver_version *cmd =
2342                 (struct i40e_aqc_driver_version *)&desc.params.raw;
2343         i40e_status status;
2344         u16 len;
2345
2346         if (dv == NULL)
2347                 return I40E_ERR_PARAM;
2348
2349         i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_driver_version);
2350
2351         desc.flags |= cpu_to_le16(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD);
2352         cmd->driver_major_ver = dv->major_version;
2353         cmd->driver_minor_ver = dv->minor_version;
2354         cmd->driver_build_ver = dv->build_version;
2355         cmd->driver_subbuild_ver = dv->subbuild_version;
2356
2357         len = 0;
2358         while (len < sizeof(dv->driver_string) &&
2359                (dv->driver_string[len] < 0x80) &&
2360                dv->driver_string[len])
2361                 len++;
2362         status = i40e_asq_send_command(hw, &desc, dv->driver_string,
2363                                        len, cmd_details);
2364
2365         return status;
2366 }
2367
2368 /**
2369  * i40e_get_link_status - get status of the HW network link
2370  * @hw: pointer to the hw struct
2371  * @link_up: pointer to bool (true/false = linkup/linkdown)
2372  *
2373  * Variable link_up true if link is up, false if link is down.
2374  * The variable link_up is invalid if returned value of status != 0
2375  *
2376  * Side effect: LinkStatusEvent reporting becomes enabled
2377  **/
2378 i40e_status i40e_get_link_status(struct i40e_hw *hw, bool *link_up)
2379 {
2380         i40e_status status = 0;
2381
2382         if (hw->phy.get_link_info) {
2383                 status = i40e_update_link_info(hw);
2384
2385                 if (status)
2386                         i40e_debug(hw, I40E_DEBUG_LINK, "get link failed: status %d\n",
2387                                    status);
2388         }
2389
2390         *link_up = hw->phy.link_info.link_info & I40E_AQ_LINK_UP;
2391
2392         return status;
2393 }
2394
2395 /**
2396  * i40e_updatelink_status - update status of the HW network link
2397  * @hw: pointer to the hw struct
2398  **/
2399 i40e_status i40e_update_link_info(struct i40e_hw *hw)
2400 {
2401         struct i40e_aq_get_phy_abilities_resp abilities;
2402         i40e_status status = 0;
2403
2404         status = i40e_aq_get_link_info(hw, true, NULL, NULL);
2405         if (status)
2406                 return status;
2407
2408         if (hw->phy.link_info.link_info & I40E_AQ_MEDIA_AVAILABLE) {
2409                 status = i40e_aq_get_phy_capabilities(hw, false, false,
2410                                                       &abilities, NULL);
2411                 if (status)
2412                         return status;
2413
2414                 memcpy(hw->phy.link_info.module_type, &abilities.module_type,
2415                        sizeof(hw->phy.link_info.module_type));
2416         }
2417
2418         return status;
2419 }
2420
2421 /**
2422  * i40e_aq_add_veb - Insert a VEB between the VSI and the MAC
2423  * @hw: pointer to the hw struct
2424  * @uplink_seid: the MAC or other gizmo SEID
2425  * @downlink_seid: the VSI SEID
2426  * @enabled_tc: bitmap of TCs to be enabled
2427  * @default_port: true for default port VSI, false for control port
2428  * @veb_seid: pointer to where to put the resulting VEB SEID
2429  * @enable_stats: true to turn on VEB stats
2430  * @cmd_details: pointer to command details structure or NULL
2431  *
2432  * This asks the FW to add a VEB between the uplink and downlink
2433  * elements.  If the uplink SEID is 0, this will be a floating VEB.
2434  **/
2435 i40e_status i40e_aq_add_veb(struct i40e_hw *hw, u16 uplink_seid,
2436                                 u16 downlink_seid, u8 enabled_tc,
2437                                 bool default_port, u16 *veb_seid,
2438                                 bool enable_stats,
2439                                 struct i40e_asq_cmd_details *cmd_details)
2440 {
2441         struct i40e_aq_desc desc;
2442         struct i40e_aqc_add_veb *cmd =
2443                 (struct i40e_aqc_add_veb *)&desc.params.raw;
2444         struct i40e_aqc_add_veb_completion *resp =
2445                 (struct i40e_aqc_add_veb_completion *)&desc.params.raw;
2446         i40e_status status;
2447         u16 veb_flags = 0;
2448
2449         /* SEIDs need to either both be set or both be 0 for floating VEB */
2450         if (!!uplink_seid != !!downlink_seid)
2451                 return I40E_ERR_PARAM;
2452
2453         i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_add_veb);
2454
2455         cmd->uplink_seid = cpu_to_le16(uplink_seid);
2456         cmd->downlink_seid = cpu_to_le16(downlink_seid);
2457         cmd->enable_tcs = enabled_tc;
2458         if (!uplink_seid)
2459                 veb_flags |= I40E_AQC_ADD_VEB_FLOATING;
2460         if (default_port)
2461                 veb_flags |= I40E_AQC_ADD_VEB_PORT_TYPE_DEFAULT;
2462         else
2463                 veb_flags |= I40E_AQC_ADD_VEB_PORT_TYPE_DATA;
2464
2465         /* reverse logic here: set the bitflag to disable the stats */
2466         if (!enable_stats)
2467                 veb_flags |= I40E_AQC_ADD_VEB_ENABLE_DISABLE_STATS;
2468
2469         cmd->veb_flags = cpu_to_le16(veb_flags);
2470
2471         status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2472
2473         if (!status && veb_seid)
2474                 *veb_seid = le16_to_cpu(resp->veb_seid);
2475
2476         return status;
2477 }
2478
2479 /**
2480  * i40e_aq_get_veb_parameters - Retrieve VEB parameters
2481  * @hw: pointer to the hw struct
2482  * @veb_seid: the SEID of the VEB to query
2483  * @switch_id: the uplink switch id
2484  * @floating: set to true if the VEB is floating
2485  * @statistic_index: index of the stats counter block for this VEB
2486  * @vebs_used: number of VEB's used by function
2487  * @vebs_free: total VEB's not reserved by any function
2488  * @cmd_details: pointer to command details structure or NULL
2489  *
2490  * This retrieves the parameters for a particular VEB, specified by
2491  * uplink_seid, and returns them to the caller.
2492  **/
2493 i40e_status i40e_aq_get_veb_parameters(struct i40e_hw *hw,
2494                                 u16 veb_seid, u16 *switch_id,
2495                                 bool *floating, u16 *statistic_index,
2496                                 u16 *vebs_used, u16 *vebs_free,
2497                                 struct i40e_asq_cmd_details *cmd_details)
2498 {
2499         struct i40e_aq_desc desc;
2500         struct i40e_aqc_get_veb_parameters_completion *cmd_resp =
2501                 (struct i40e_aqc_get_veb_parameters_completion *)
2502                 &desc.params.raw;
2503         i40e_status status;
2504
2505         if (veb_seid == 0)
2506                 return I40E_ERR_PARAM;
2507
2508         i40e_fill_default_direct_cmd_desc(&desc,
2509                                           i40e_aqc_opc_get_veb_parameters);
2510         cmd_resp->seid = cpu_to_le16(veb_seid);
2511
2512         status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2513         if (status)
2514                 goto get_veb_exit;
2515
2516         if (switch_id)
2517                 *switch_id = le16_to_cpu(cmd_resp->switch_id);
2518         if (statistic_index)
2519                 *statistic_index = le16_to_cpu(cmd_resp->statistic_index);
2520         if (vebs_used)
2521                 *vebs_used = le16_to_cpu(cmd_resp->vebs_used);
2522         if (vebs_free)
2523                 *vebs_free = le16_to_cpu(cmd_resp->vebs_free);
2524         if (floating) {
2525                 u16 flags = le16_to_cpu(cmd_resp->veb_flags);
2526
2527                 if (flags & I40E_AQC_ADD_VEB_FLOATING)
2528                         *floating = true;
2529                 else
2530                         *floating = false;
2531         }
2532
2533 get_veb_exit:
2534         return status;
2535 }
2536
2537 /**
2538  * i40e_aq_add_macvlan
2539  * @hw: pointer to the hw struct
2540  * @seid: VSI for the mac address
2541  * @mv_list: list of macvlans to be added
2542  * @count: length of the list
2543  * @cmd_details: pointer to command details structure or NULL
2544  *
2545  * Add MAC/VLAN addresses to the HW filtering
2546  **/
2547 i40e_status i40e_aq_add_macvlan(struct i40e_hw *hw, u16 seid,
2548                         struct i40e_aqc_add_macvlan_element_data *mv_list,
2549                         u16 count, struct i40e_asq_cmd_details *cmd_details)
2550 {
2551         struct i40e_aq_desc desc;
2552         struct i40e_aqc_macvlan *cmd =
2553                 (struct i40e_aqc_macvlan *)&desc.params.raw;
2554         i40e_status status;
2555         u16 buf_size;
2556         int i;
2557
2558         if (count == 0 || !mv_list || !hw)
2559                 return I40E_ERR_PARAM;
2560
2561         buf_size = count * sizeof(*mv_list);
2562
2563         /* prep the rest of the request */
2564         i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_add_macvlan);
2565         cmd->num_addresses = cpu_to_le16(count);
2566         cmd->seid[0] = cpu_to_le16(I40E_AQC_MACVLAN_CMD_SEID_VALID | seid);
2567         cmd->seid[1] = 0;
2568         cmd->seid[2] = 0;
2569
2570         for (i = 0; i < count; i++)
2571                 if (is_multicast_ether_addr(mv_list[i].mac_addr))
2572                         mv_list[i].flags |=
2573                                cpu_to_le16(I40E_AQC_MACVLAN_ADD_USE_SHARED_MAC);
2574
2575         desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
2576         if (buf_size > I40E_AQ_LARGE_BUF)
2577                 desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
2578
2579         status = i40e_asq_send_command(hw, &desc, mv_list, buf_size,
2580                                        cmd_details);
2581
2582         return status;
2583 }
2584
2585 /**
2586  * i40e_aq_remove_macvlan
2587  * @hw: pointer to the hw struct
2588  * @seid: VSI for the mac address
2589  * @mv_list: list of macvlans to be removed
2590  * @count: length of the list
2591  * @cmd_details: pointer to command details structure or NULL
2592  *
2593  * Remove MAC/VLAN addresses from the HW filtering
2594  **/
2595 i40e_status i40e_aq_remove_macvlan(struct i40e_hw *hw, u16 seid,
2596                         struct i40e_aqc_remove_macvlan_element_data *mv_list,
2597                         u16 count, struct i40e_asq_cmd_details *cmd_details)
2598 {
2599         struct i40e_aq_desc desc;
2600         struct i40e_aqc_macvlan *cmd =
2601                 (struct i40e_aqc_macvlan *)&desc.params.raw;
2602         i40e_status status;
2603         u16 buf_size;
2604
2605         if (count == 0 || !mv_list || !hw)
2606                 return I40E_ERR_PARAM;
2607
2608         buf_size = count * sizeof(*mv_list);
2609
2610         /* prep the rest of the request */
2611         i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_remove_macvlan);
2612         cmd->num_addresses = cpu_to_le16(count);
2613         cmd->seid[0] = cpu_to_le16(I40E_AQC_MACVLAN_CMD_SEID_VALID | seid);
2614         cmd->seid[1] = 0;
2615         cmd->seid[2] = 0;
2616
2617         desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
2618         if (buf_size > I40E_AQ_LARGE_BUF)
2619                 desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
2620
2621         status = i40e_asq_send_command(hw, &desc, mv_list, buf_size,
2622                                        cmd_details);
2623
2624         return status;
2625 }
2626
2627 /**
2628  * i40e_mirrorrule_op - Internal helper function to add/delete mirror rule
2629  * @hw: pointer to the hw struct
2630  * @opcode: AQ opcode for add or delete mirror rule
2631  * @sw_seid: Switch SEID (to which rule refers)
2632  * @rule_type: Rule Type (ingress/egress/VLAN)
2633  * @id: Destination VSI SEID or Rule ID
2634  * @count: length of the list
2635  * @mr_list: list of mirrored VSI SEIDs or VLAN IDs
2636  * @cmd_details: pointer to command details structure or NULL
2637  * @rule_id: Rule ID returned from FW
2638  * @rule_used: Number of rules used in internal switch
2639  * @rule_free: Number of rules free in internal switch
2640  *
2641  * Add/Delete a mirror rule to a specific switch. Mirror rules are supported for
2642  * VEBs/VEPA elements only
2643  **/
2644 static i40e_status i40e_mirrorrule_op(struct i40e_hw *hw,
2645                                 u16 opcode, u16 sw_seid, u16 rule_type, u16 id,
2646                                 u16 count, __le16 *mr_list,
2647                                 struct i40e_asq_cmd_details *cmd_details,
2648                                 u16 *rule_id, u16 *rules_used, u16 *rules_free)
2649 {
2650         struct i40e_aq_desc desc;
2651         struct i40e_aqc_add_delete_mirror_rule *cmd =
2652                 (struct i40e_aqc_add_delete_mirror_rule *)&desc.params.raw;
2653         struct i40e_aqc_add_delete_mirror_rule_completion *resp =
2654         (struct i40e_aqc_add_delete_mirror_rule_completion *)&desc.params.raw;
2655         i40e_status status;
2656         u16 buf_size;
2657
2658         buf_size = count * sizeof(*mr_list);
2659
2660         /* prep the rest of the request */
2661         i40e_fill_default_direct_cmd_desc(&desc, opcode);
2662         cmd->seid = cpu_to_le16(sw_seid);
2663         cmd->rule_type = cpu_to_le16(rule_type &
2664                                      I40E_AQC_MIRROR_RULE_TYPE_MASK);
2665         cmd->num_entries = cpu_to_le16(count);
2666         /* Dest VSI for add, rule_id for delete */
2667         cmd->destination = cpu_to_le16(id);
2668         if (mr_list) {
2669                 desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF |
2670                                                 I40E_AQ_FLAG_RD));
2671                 if (buf_size > I40E_AQ_LARGE_BUF)
2672                         desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
2673         }
2674
2675         status = i40e_asq_send_command(hw, &desc, mr_list, buf_size,
2676                                        cmd_details);
2677         if (!status ||
2678             hw->aq.asq_last_status == I40E_AQ_RC_ENOSPC) {
2679                 if (rule_id)
2680                         *rule_id = le16_to_cpu(resp->rule_id);
2681                 if (rules_used)
2682                         *rules_used = le16_to_cpu(resp->mirror_rules_used);
2683                 if (rules_free)
2684                         *rules_free = le16_to_cpu(resp->mirror_rules_free);
2685         }
2686         return status;
2687 }
2688
2689 /**
2690  * i40e_aq_add_mirrorrule - add a mirror rule
2691  * @hw: pointer to the hw struct
2692  * @sw_seid: Switch SEID (to which rule refers)
2693  * @rule_type: Rule Type (ingress/egress/VLAN)
2694  * @dest_vsi: SEID of VSI to which packets will be mirrored
2695  * @count: length of the list
2696  * @mr_list: list of mirrored VSI SEIDs or VLAN IDs
2697  * @cmd_details: pointer to command details structure or NULL
2698  * @rule_id: Rule ID returned from FW
2699  * @rule_used: Number of rules used in internal switch
2700  * @rule_free: Number of rules free in internal switch
2701  *
2702  * Add mirror rule. Mirror rules are supported for VEBs or VEPA elements only
2703  **/
2704 i40e_status i40e_aq_add_mirrorrule(struct i40e_hw *hw, u16 sw_seid,
2705                         u16 rule_type, u16 dest_vsi, u16 count, __le16 *mr_list,
2706                         struct i40e_asq_cmd_details *cmd_details,
2707                         u16 *rule_id, u16 *rules_used, u16 *rules_free)
2708 {
2709         if (!(rule_type == I40E_AQC_MIRROR_RULE_TYPE_ALL_INGRESS ||
2710             rule_type == I40E_AQC_MIRROR_RULE_TYPE_ALL_EGRESS)) {
2711                 if (count == 0 || !mr_list)
2712                         return I40E_ERR_PARAM;
2713         }
2714
2715         return i40e_mirrorrule_op(hw, i40e_aqc_opc_add_mirror_rule, sw_seid,
2716                                   rule_type, dest_vsi, count, mr_list,
2717                                   cmd_details, rule_id, rules_used, rules_free);
2718 }
2719
2720 /**
2721  * i40e_aq_delete_mirrorrule - delete a mirror rule
2722  * @hw: pointer to the hw struct
2723  * @sw_seid: Switch SEID (to which rule refers)
2724  * @rule_type: Rule Type (ingress/egress/VLAN)
2725  * @count: length of the list
2726  * @rule_id: Rule ID that is returned in the receive desc as part of
2727  *              add_mirrorrule.
2728  * @mr_list: list of mirrored VLAN IDs to be removed
2729  * @cmd_details: pointer to command details structure or NULL
2730  * @rule_used: Number of rules used in internal switch
2731  * @rule_free: Number of rules free in internal switch
2732  *
2733  * Delete a mirror rule. Mirror rules are supported for VEBs/VEPA elements only
2734  **/
2735 i40e_status i40e_aq_delete_mirrorrule(struct i40e_hw *hw, u16 sw_seid,
2736                         u16 rule_type, u16 rule_id, u16 count, __le16 *mr_list,
2737                         struct i40e_asq_cmd_details *cmd_details,
2738                         u16 *rules_used, u16 *rules_free)
2739 {
2740         /* Rule ID has to be valid except rule_type: INGRESS VLAN mirroring */
2741         if (rule_type == I40E_AQC_MIRROR_RULE_TYPE_VLAN) {
2742                 /* count and mr_list shall be valid for rule_type INGRESS VLAN
2743                  * mirroring. For other rule_type, count and rule_type should
2744                  * not matter.
2745                  */
2746                 if (count == 0 || !mr_list)
2747                         return I40E_ERR_PARAM;
2748         }
2749
2750         return i40e_mirrorrule_op(hw, i40e_aqc_opc_delete_mirror_rule, sw_seid,
2751                                   rule_type, rule_id, count, mr_list,
2752                                   cmd_details, NULL, rules_used, rules_free);
2753 }
2754
2755 /**
2756  * i40e_aq_send_msg_to_vf
2757  * @hw: pointer to the hardware structure
2758  * @vfid: VF id to send msg
2759  * @v_opcode: opcodes for VF-PF communication
2760  * @v_retval: return error code
2761  * @msg: pointer to the msg buffer
2762  * @msglen: msg length
2763  * @cmd_details: pointer to command details
2764  *
2765  * send msg to vf
2766  **/
2767 i40e_status i40e_aq_send_msg_to_vf(struct i40e_hw *hw, u16 vfid,
2768                                 u32 v_opcode, u32 v_retval, u8 *msg, u16 msglen,
2769                                 struct i40e_asq_cmd_details *cmd_details)
2770 {
2771         struct i40e_aq_desc desc;
2772         struct i40e_aqc_pf_vf_message *cmd =
2773                 (struct i40e_aqc_pf_vf_message *)&desc.params.raw;
2774         i40e_status status;
2775
2776         i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_send_msg_to_vf);
2777         cmd->id = cpu_to_le32(vfid);
2778         desc.cookie_high = cpu_to_le32(v_opcode);
2779         desc.cookie_low = cpu_to_le32(v_retval);
2780         desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_SI);
2781         if (msglen) {
2782                 desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF |
2783                                                 I40E_AQ_FLAG_RD));
2784                 if (msglen > I40E_AQ_LARGE_BUF)
2785                         desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
2786                 desc.datalen = cpu_to_le16(msglen);
2787         }
2788         status = i40e_asq_send_command(hw, &desc, msg, msglen, cmd_details);
2789
2790         return status;
2791 }
2792
2793 /**
2794  * i40e_aq_debug_read_register
2795  * @hw: pointer to the hw struct
2796  * @reg_addr: register address
2797  * @reg_val: register value
2798  * @cmd_details: pointer to command details structure or NULL
2799  *
2800  * Read the register using the admin queue commands
2801  **/
2802 i40e_status i40e_aq_debug_read_register(struct i40e_hw *hw,
2803                                 u32 reg_addr, u64 *reg_val,
2804                                 struct i40e_asq_cmd_details *cmd_details)
2805 {
2806         struct i40e_aq_desc desc;
2807         struct i40e_aqc_debug_reg_read_write *cmd_resp =
2808                 (struct i40e_aqc_debug_reg_read_write *)&desc.params.raw;
2809         i40e_status status;
2810
2811         if (reg_val == NULL)
2812                 return I40E_ERR_PARAM;
2813
2814         i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_debug_read_reg);
2815
2816         cmd_resp->address = cpu_to_le32(reg_addr);
2817
2818         status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2819
2820         if (!status) {
2821                 *reg_val = ((u64)le32_to_cpu(cmd_resp->value_high) << 32) |
2822                            (u64)le32_to_cpu(cmd_resp->value_low);
2823         }
2824
2825         return status;
2826 }
2827
2828 /**
2829  * i40e_aq_debug_write_register
2830  * @hw: pointer to the hw struct
2831  * @reg_addr: register address
2832  * @reg_val: register value
2833  * @cmd_details: pointer to command details structure or NULL
2834  *
2835  * Write to a register using the admin queue commands
2836  **/
2837 i40e_status i40e_aq_debug_write_register(struct i40e_hw *hw,
2838                                         u32 reg_addr, u64 reg_val,
2839                                         struct i40e_asq_cmd_details *cmd_details)
2840 {
2841         struct i40e_aq_desc desc;
2842         struct i40e_aqc_debug_reg_read_write *cmd =
2843                 (struct i40e_aqc_debug_reg_read_write *)&desc.params.raw;
2844         i40e_status status;
2845
2846         i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_debug_write_reg);
2847
2848         cmd->address = cpu_to_le32(reg_addr);
2849         cmd->value_high = cpu_to_le32((u32)(reg_val >> 32));
2850         cmd->value_low = cpu_to_le32((u32)(reg_val & 0xFFFFFFFF));
2851
2852         status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2853
2854         return status;
2855 }
2856
2857 /**
2858  * i40e_aq_set_hmc_resource_profile
2859  * @hw: pointer to the hw struct
2860  * @profile: type of profile the HMC is to be set as
2861  * @pe_vf_enabled_count: the number of PE enabled VFs the system has
2862  * @cmd_details: pointer to command details structure or NULL
2863  *
2864  * set the HMC profile of the device.
2865  **/
2866 i40e_status i40e_aq_set_hmc_resource_profile(struct i40e_hw *hw,
2867                                 enum i40e_aq_hmc_profile profile,
2868                                 u8 pe_vf_enabled_count,
2869                                 struct i40e_asq_cmd_details *cmd_details)
2870 {
2871         struct i40e_aq_desc desc;
2872         struct i40e_aq_get_set_hmc_resource_profile *cmd =
2873                 (struct i40e_aq_get_set_hmc_resource_profile *)&desc.params.raw;
2874         i40e_status status;
2875
2876         i40e_fill_default_direct_cmd_desc(&desc,
2877                                         i40e_aqc_opc_set_hmc_resource_profile);
2878
2879         cmd->pm_profile = (u8)profile;
2880         cmd->pe_vf_enabled = pe_vf_enabled_count;
2881
2882         status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2883
2884         return status;
2885 }
2886
2887 /**
2888  * i40e_aq_request_resource
2889  * @hw: pointer to the hw struct
2890  * @resource: resource id
2891  * @access: access type
2892  * @sdp_number: resource number
2893  * @timeout: the maximum time in ms that the driver may hold the resource
2894  * @cmd_details: pointer to command details structure or NULL
2895  *
2896  * requests common resource using the admin queue commands
2897  **/
2898 i40e_status i40e_aq_request_resource(struct i40e_hw *hw,
2899                                 enum i40e_aq_resources_ids resource,
2900                                 enum i40e_aq_resource_access_type access,
2901                                 u8 sdp_number, u64 *timeout,
2902                                 struct i40e_asq_cmd_details *cmd_details)
2903 {
2904         struct i40e_aq_desc desc;
2905         struct i40e_aqc_request_resource *cmd_resp =
2906                 (struct i40e_aqc_request_resource *)&desc.params.raw;
2907         i40e_status status;
2908
2909         i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_request_resource);
2910
2911         cmd_resp->resource_id = cpu_to_le16(resource);
2912         cmd_resp->access_type = cpu_to_le16(access);
2913         cmd_resp->resource_number = cpu_to_le32(sdp_number);
2914
2915         status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2916         /* The completion specifies the maximum time in ms that the driver
2917          * may hold the resource in the Timeout field.
2918          * If the resource is held by someone else, the command completes with
2919          * busy return value and the timeout field indicates the maximum time
2920          * the current owner of the resource has to free it.
2921          */
2922         if (!status || hw->aq.asq_last_status == I40E_AQ_RC_EBUSY)
2923                 *timeout = le32_to_cpu(cmd_resp->timeout);
2924
2925         return status;
2926 }
2927
2928 /**
2929  * i40e_aq_release_resource
2930  * @hw: pointer to the hw struct
2931  * @resource: resource id
2932  * @sdp_number: resource number
2933  * @cmd_details: pointer to command details structure or NULL
2934  *
2935  * release common resource using the admin queue commands
2936  **/
2937 i40e_status i40e_aq_release_resource(struct i40e_hw *hw,
2938                                 enum i40e_aq_resources_ids resource,
2939                                 u8 sdp_number,
2940                                 struct i40e_asq_cmd_details *cmd_details)
2941 {
2942         struct i40e_aq_desc desc;
2943         struct i40e_aqc_request_resource *cmd =
2944                 (struct i40e_aqc_request_resource *)&desc.params.raw;
2945         i40e_status status;
2946
2947         i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_release_resource);
2948
2949         cmd->resource_id = cpu_to_le16(resource);
2950         cmd->resource_number = cpu_to_le32(sdp_number);
2951
2952         status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2953
2954         return status;
2955 }
2956
2957 /**
2958  * i40e_aq_read_nvm
2959  * @hw: pointer to the hw struct
2960  * @module_pointer: module pointer location in words from the NVM beginning
2961  * @offset: byte offset from the module beginning
2962  * @length: length of the section to be read (in bytes from the offset)
2963  * @data: command buffer (size [bytes] = length)
2964  * @last_command: tells if this is the last command in a series
2965  * @cmd_details: pointer to command details structure or NULL
2966  *
2967  * Read the NVM using the admin queue commands
2968  **/
2969 i40e_status i40e_aq_read_nvm(struct i40e_hw *hw, u8 module_pointer,
2970                                 u32 offset, u16 length, void *data,
2971                                 bool last_command,
2972                                 struct i40e_asq_cmd_details *cmd_details)
2973 {
2974         struct i40e_aq_desc desc;
2975         struct i40e_aqc_nvm_update *cmd =
2976                 (struct i40e_aqc_nvm_update *)&desc.params.raw;
2977         i40e_status status;
2978
2979         /* In offset the highest byte must be zeroed. */
2980         if (offset & 0xFF000000) {
2981                 status = I40E_ERR_PARAM;
2982                 goto i40e_aq_read_nvm_exit;
2983         }
2984
2985         i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_nvm_read);
2986
2987         /* If this is the last command in a series, set the proper flag. */
2988         if (last_command)
2989                 cmd->command_flags |= I40E_AQ_NVM_LAST_CMD;
2990         cmd->module_pointer = module_pointer;
2991         cmd->offset = cpu_to_le32(offset);
2992         cmd->length = cpu_to_le16(length);
2993
2994         desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
2995         if (length > I40E_AQ_LARGE_BUF)
2996                 desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
2997
2998         status = i40e_asq_send_command(hw, &desc, data, length, cmd_details);
2999
3000 i40e_aq_read_nvm_exit:
3001         return status;
3002 }
3003
3004 /**
3005  * i40e_aq_erase_nvm
3006  * @hw: pointer to the hw struct
3007  * @module_pointer: module pointer location in words from the NVM beginning
3008  * @offset: offset in the module (expressed in 4 KB from module's beginning)
3009  * @length: length of the section to be erased (expressed in 4 KB)
3010  * @last_command: tells if this is the last command in a series
3011  * @cmd_details: pointer to command details structure or NULL
3012  *
3013  * Erase the NVM sector using the admin queue commands
3014  **/
3015 i40e_status i40e_aq_erase_nvm(struct i40e_hw *hw, u8 module_pointer,
3016                               u32 offset, u16 length, bool last_command,
3017                               struct i40e_asq_cmd_details *cmd_details)
3018 {
3019         struct i40e_aq_desc desc;
3020         struct i40e_aqc_nvm_update *cmd =
3021                 (struct i40e_aqc_nvm_update *)&desc.params.raw;
3022         i40e_status status;
3023
3024         /* In offset the highest byte must be zeroed. */
3025         if (offset & 0xFF000000) {
3026                 status = I40E_ERR_PARAM;
3027                 goto i40e_aq_erase_nvm_exit;
3028         }
3029
3030         i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_nvm_erase);
3031
3032         /* If this is the last command in a series, set the proper flag. */
3033         if (last_command)
3034                 cmd->command_flags |= I40E_AQ_NVM_LAST_CMD;
3035         cmd->module_pointer = module_pointer;
3036         cmd->offset = cpu_to_le32(offset);
3037         cmd->length = cpu_to_le16(length);
3038
3039         status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3040
3041 i40e_aq_erase_nvm_exit:
3042         return status;
3043 }
3044
3045 /**
3046  * i40e_parse_discover_capabilities
3047  * @hw: pointer to the hw struct
3048  * @buff: pointer to a buffer containing device/function capability records
3049  * @cap_count: number of capability records in the list
3050  * @list_type_opc: type of capabilities list to parse
3051  *
3052  * Parse the device/function capabilities list.
3053  **/
3054 static void i40e_parse_discover_capabilities(struct i40e_hw *hw, void *buff,
3055                                      u32 cap_count,
3056                                      enum i40e_admin_queue_opc list_type_opc)
3057 {
3058         struct i40e_aqc_list_capabilities_element_resp *cap;
3059         u32 valid_functions, num_functions;
3060         u32 number, logical_id, phys_id;
3061         struct i40e_hw_capabilities *p;
3062         u8 major_rev;
3063         u32 i = 0;
3064         u16 id;
3065
3066         cap = (struct i40e_aqc_list_capabilities_element_resp *) buff;
3067
3068         if (list_type_opc == i40e_aqc_opc_list_dev_capabilities)
3069                 p = &hw->dev_caps;
3070         else if (list_type_opc == i40e_aqc_opc_list_func_capabilities)
3071                 p = &hw->func_caps;
3072         else
3073                 return;
3074
3075         for (i = 0; i < cap_count; i++, cap++) {
3076                 id = le16_to_cpu(cap->id);
3077                 number = le32_to_cpu(cap->number);
3078                 logical_id = le32_to_cpu(cap->logical_id);
3079                 phys_id = le32_to_cpu(cap->phys_id);
3080                 major_rev = cap->major_rev;
3081
3082                 switch (id) {
3083                 case I40E_AQ_CAP_ID_SWITCH_MODE:
3084                         p->switch_mode = number;
3085                         break;
3086                 case I40E_AQ_CAP_ID_MNG_MODE:
3087                         p->management_mode = number;
3088                         break;
3089                 case I40E_AQ_CAP_ID_NPAR_ACTIVE:
3090                         p->npar_enable = number;
3091                         break;
3092                 case I40E_AQ_CAP_ID_OS2BMC_CAP:
3093                         p->os2bmc = number;
3094                         break;
3095                 case I40E_AQ_CAP_ID_FUNCTIONS_VALID:
3096                         p->valid_functions = number;
3097                         break;
3098                 case I40E_AQ_CAP_ID_SRIOV:
3099                         if (number == 1)
3100                                 p->sr_iov_1_1 = true;
3101                         break;
3102                 case I40E_AQ_CAP_ID_VF:
3103                         p->num_vfs = number;
3104                         p->vf_base_id = logical_id;
3105                         break;
3106                 case I40E_AQ_CAP_ID_VMDQ:
3107                         if (number == 1)
3108                                 p->vmdq = true;
3109                         break;
3110                 case I40E_AQ_CAP_ID_8021QBG:
3111                         if (number == 1)
3112                                 p->evb_802_1_qbg = true;
3113                         break;
3114                 case I40E_AQ_CAP_ID_8021QBR:
3115                         if (number == 1)
3116                                 p->evb_802_1_qbh = true;
3117                         break;
3118                 case I40E_AQ_CAP_ID_VSI:
3119                         p->num_vsis = number;
3120                         break;
3121                 case I40E_AQ_CAP_ID_DCB:
3122                         if (number == 1) {
3123                                 p->dcb = true;
3124                                 p->enabled_tcmap = logical_id;
3125                                 p->maxtc = phys_id;
3126                         }
3127                         break;
3128                 case I40E_AQ_CAP_ID_FCOE:
3129                         if (number == 1)
3130                                 p->fcoe = true;
3131                         break;
3132                 case I40E_AQ_CAP_ID_ISCSI:
3133                         if (number == 1)
3134                                 p->iscsi = true;
3135                         break;
3136                 case I40E_AQ_CAP_ID_RSS:
3137                         p->rss = true;
3138                         p->rss_table_size = number;
3139                         p->rss_table_entry_width = logical_id;
3140                         break;
3141                 case I40E_AQ_CAP_ID_RXQ:
3142                         p->num_rx_qp = number;
3143                         p->base_queue = phys_id;
3144                         break;
3145                 case I40E_AQ_CAP_ID_TXQ:
3146                         p->num_tx_qp = number;
3147                         p->base_queue = phys_id;
3148                         break;
3149                 case I40E_AQ_CAP_ID_MSIX:
3150                         p->num_msix_vectors = number;
3151                         i40e_debug(hw, I40E_DEBUG_INIT,
3152                                    "HW Capability: MSIX vector count = %d\n",
3153                                    p->num_msix_vectors);
3154                         break;
3155                 case I40E_AQ_CAP_ID_VF_MSIX:
3156                         p->num_msix_vectors_vf = number;
3157                         break;
3158                 case I40E_AQ_CAP_ID_FLEX10:
3159                         if (major_rev == 1) {
3160                                 if (number == 1) {
3161                                         p->flex10_enable = true;
3162                                         p->flex10_capable = true;
3163                                 }
3164                         } else {
3165                                 /* Capability revision >= 2 */
3166                                 if (number & 1)
3167                                         p->flex10_enable = true;
3168                                 if (number & 2)
3169                                         p->flex10_capable = true;
3170                         }
3171                         p->flex10_mode = logical_id;
3172                         p->flex10_status = phys_id;
3173                         break;
3174                 case I40E_AQ_CAP_ID_CEM:
3175                         if (number == 1)
3176                                 p->mgmt_cem = true;
3177                         break;
3178                 case I40E_AQ_CAP_ID_IWARP:
3179                         if (number == 1)
3180                                 p->iwarp = true;
3181                         break;
3182                 case I40E_AQ_CAP_ID_LED:
3183                         if (phys_id < I40E_HW_CAP_MAX_GPIO)
3184                                 p->led[phys_id] = true;
3185                         break;
3186                 case I40E_AQ_CAP_ID_SDP:
3187                         if (phys_id < I40E_HW_CAP_MAX_GPIO)
3188                                 p->sdp[phys_id] = true;
3189                         break;
3190                 case I40E_AQ_CAP_ID_MDIO:
3191                         if (number == 1) {
3192                                 p->mdio_port_num = phys_id;
3193                                 p->mdio_port_mode = logical_id;
3194                         }
3195                         break;
3196                 case I40E_AQ_CAP_ID_1588:
3197                         if (number == 1)
3198                                 p->ieee_1588 = true;
3199                         break;
3200                 case I40E_AQ_CAP_ID_FLOW_DIRECTOR:
3201                         p->fd = true;
3202                         p->fd_filters_guaranteed = number;
3203                         p->fd_filters_best_effort = logical_id;
3204                         break;
3205                 case I40E_AQ_CAP_ID_WSR_PROT:
3206                         p->wr_csr_prot = (u64)number;
3207                         p->wr_csr_prot |= (u64)logical_id << 32;
3208                         break;
3209                 case I40E_AQ_CAP_ID_NVM_MGMT:
3210                         if (number & I40E_NVM_MGMT_SEC_REV_DISABLED)
3211                                 p->sec_rev_disabled = true;
3212                         if (number & I40E_NVM_MGMT_UPDATE_DISABLED)
3213                                 p->update_disabled = true;
3214                         break;
3215                 default:
3216                         break;
3217                 }
3218         }
3219
3220         if (p->fcoe)
3221                 i40e_debug(hw, I40E_DEBUG_ALL, "device is FCoE capable\n");
3222
3223         /* Software override ensuring FCoE is disabled if npar or mfp
3224          * mode because it is not supported in these modes.
3225          */
3226         if (p->npar_enable || p->flex10_enable)
3227                 p->fcoe = false;
3228
3229         /* count the enabled ports (aka the "not disabled" ports) */
3230         hw->num_ports = 0;
3231         for (i = 0; i < 4; i++) {
3232                 u32 port_cfg_reg = I40E_PRTGEN_CNF + (4 * i);
3233                 u64 port_cfg = 0;
3234
3235                 /* use AQ read to get the physical register offset instead
3236                  * of the port relative offset
3237                  */
3238                 i40e_aq_debug_read_register(hw, port_cfg_reg, &port_cfg, NULL);
3239                 if (!(port_cfg & I40E_PRTGEN_CNF_PORT_DIS_MASK))
3240                         hw->num_ports++;
3241         }
3242
3243         valid_functions = p->valid_functions;
3244         num_functions = 0;
3245         while (valid_functions) {
3246                 if (valid_functions & 1)
3247                         num_functions++;
3248                 valid_functions >>= 1;
3249         }
3250
3251         /* partition id is 1-based, and functions are evenly spread
3252          * across the ports as partitions
3253          */
3254         hw->partition_id = (hw->pf_id / hw->num_ports) + 1;
3255         hw->num_partitions = num_functions / hw->num_ports;
3256
3257         /* additional HW specific goodies that might
3258          * someday be HW version specific
3259          */
3260         p->rx_buf_chain_len = I40E_MAX_CHAINED_RX_BUFFERS;
3261 }
3262
3263 /**
3264  * i40e_aq_discover_capabilities
3265  * @hw: pointer to the hw struct
3266  * @buff: a virtual buffer to hold the capabilities
3267  * @buff_size: Size of the virtual buffer
3268  * @data_size: Size of the returned data, or buff size needed if AQ err==ENOMEM
3269  * @list_type_opc: capabilities type to discover - pass in the command opcode
3270  * @cmd_details: pointer to command details structure or NULL
3271  *
3272  * Get the device capabilities descriptions from the firmware
3273  **/
3274 i40e_status i40e_aq_discover_capabilities(struct i40e_hw *hw,
3275                                 void *buff, u16 buff_size, u16 *data_size,
3276                                 enum i40e_admin_queue_opc list_type_opc,
3277                                 struct i40e_asq_cmd_details *cmd_details)
3278 {
3279         struct i40e_aqc_list_capabilites *cmd;
3280         struct i40e_aq_desc desc;
3281         i40e_status status = 0;
3282
3283         cmd = (struct i40e_aqc_list_capabilites *)&desc.params.raw;
3284
3285         if (list_type_opc != i40e_aqc_opc_list_func_capabilities &&
3286                 list_type_opc != i40e_aqc_opc_list_dev_capabilities) {
3287                 status = I40E_ERR_PARAM;
3288                 goto exit;
3289         }
3290
3291         i40e_fill_default_direct_cmd_desc(&desc, list_type_opc);
3292
3293         desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
3294         if (buff_size > I40E_AQ_LARGE_BUF)
3295                 desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
3296
3297         status = i40e_asq_send_command(hw, &desc, buff, buff_size, cmd_details);
3298         *data_size = le16_to_cpu(desc.datalen);
3299
3300         if (status)
3301                 goto exit;
3302
3303         i40e_parse_discover_capabilities(hw, buff, le32_to_cpu(cmd->count),
3304                                          list_type_opc);
3305
3306 exit:
3307         return status;
3308 }
3309
3310 /**
3311  * i40e_aq_update_nvm
3312  * @hw: pointer to the hw struct
3313  * @module_pointer: module pointer location in words from the NVM beginning
3314  * @offset: byte offset from the module beginning
3315  * @length: length of the section to be written (in bytes from the offset)
3316  * @data: command buffer (size [bytes] = length)
3317  * @last_command: tells if this is the last command in a series
3318  * @cmd_details: pointer to command details structure or NULL
3319  *
3320  * Update the NVM using the admin queue commands
3321  **/
3322 i40e_status i40e_aq_update_nvm(struct i40e_hw *hw, u8 module_pointer,
3323                                u32 offset, u16 length, void *data,
3324                                bool last_command,
3325                                struct i40e_asq_cmd_details *cmd_details)
3326 {
3327         struct i40e_aq_desc desc;
3328         struct i40e_aqc_nvm_update *cmd =
3329                 (struct i40e_aqc_nvm_update *)&desc.params.raw;
3330         i40e_status status;
3331
3332         /* In offset the highest byte must be zeroed. */
3333         if (offset & 0xFF000000) {
3334                 status = I40E_ERR_PARAM;
3335                 goto i40e_aq_update_nvm_exit;
3336         }
3337
3338         i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_nvm_update);
3339
3340         /* If this is the last command in a series, set the proper flag. */
3341         if (last_command)
3342                 cmd->command_flags |= I40E_AQ_NVM_LAST_CMD;
3343         cmd->module_pointer = module_pointer;
3344         cmd->offset = cpu_to_le32(offset);
3345         cmd->length = cpu_to_le16(length);
3346
3347         desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
3348         if (length > I40E_AQ_LARGE_BUF)
3349                 desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
3350
3351         status = i40e_asq_send_command(hw, &desc, data, length, cmd_details);
3352
3353 i40e_aq_update_nvm_exit:
3354         return status;
3355 }
3356
3357 /**
3358  * i40e_aq_get_lldp_mib
3359  * @hw: pointer to the hw struct
3360  * @bridge_type: type of bridge requested
3361  * @mib_type: Local, Remote or both Local and Remote MIBs
3362  * @buff: pointer to a user supplied buffer to store the MIB block
3363  * @buff_size: size of the buffer (in bytes)
3364  * @local_len : length of the returned Local LLDP MIB
3365  * @remote_len: length of the returned Remote LLDP MIB
3366  * @cmd_details: pointer to command details structure or NULL
3367  *
3368  * Requests the complete LLDP MIB (entire packet).
3369  **/
3370 i40e_status i40e_aq_get_lldp_mib(struct i40e_hw *hw, u8 bridge_type,
3371                                 u8 mib_type, void *buff, u16 buff_size,
3372                                 u16 *local_len, u16 *remote_len,
3373                                 struct i40e_asq_cmd_details *cmd_details)
3374 {
3375         struct i40e_aq_desc desc;
3376         struct i40e_aqc_lldp_get_mib *cmd =
3377                 (struct i40e_aqc_lldp_get_mib *)&desc.params.raw;
3378         struct i40e_aqc_lldp_get_mib *resp =
3379                 (struct i40e_aqc_lldp_get_mib *)&desc.params.raw;
3380         i40e_status status;
3381
3382         if (buff_size == 0 || !buff)
3383                 return I40E_ERR_PARAM;
3384
3385         i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_lldp_get_mib);
3386         /* Indirect Command */
3387         desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
3388
3389         cmd->type = mib_type & I40E_AQ_LLDP_MIB_TYPE_MASK;
3390         cmd->type |= ((bridge_type << I40E_AQ_LLDP_BRIDGE_TYPE_SHIFT) &
3391                        I40E_AQ_LLDP_BRIDGE_TYPE_MASK);
3392
3393         desc.datalen = cpu_to_le16(buff_size);
3394
3395         desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
3396         if (buff_size > I40E_AQ_LARGE_BUF)
3397                 desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
3398
3399         status = i40e_asq_send_command(hw, &desc, buff, buff_size, cmd_details);
3400         if (!status) {
3401                 if (local_len != NULL)
3402                         *local_len = le16_to_cpu(resp->local_len);
3403                 if (remote_len != NULL)
3404                         *remote_len = le16_to_cpu(resp->remote_len);
3405         }
3406
3407         return status;
3408 }
3409
3410 /**
3411  * i40e_aq_cfg_lldp_mib_change_event
3412  * @hw: pointer to the hw struct
3413  * @enable_update: Enable or Disable event posting
3414  * @cmd_details: pointer to command details structure or NULL
3415  *
3416  * Enable or Disable posting of an event on ARQ when LLDP MIB
3417  * associated with the interface changes
3418  **/
3419 i40e_status i40e_aq_cfg_lldp_mib_change_event(struct i40e_hw *hw,
3420                                 bool enable_update,
3421                                 struct i40e_asq_cmd_details *cmd_details)
3422 {
3423         struct i40e_aq_desc desc;
3424         struct i40e_aqc_lldp_update_mib *cmd =
3425                 (struct i40e_aqc_lldp_update_mib *)&desc.params.raw;
3426         i40e_status status;
3427
3428         i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_lldp_update_mib);
3429
3430         if (!enable_update)
3431                 cmd->command |= I40E_AQ_LLDP_MIB_UPDATE_DISABLE;
3432
3433         status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3434
3435         return status;
3436 }
3437
3438 /**
3439  * i40e_aq_stop_lldp
3440  * @hw: pointer to the hw struct
3441  * @shutdown_agent: True if LLDP Agent needs to be Shutdown
3442  * @cmd_details: pointer to command details structure or NULL
3443  *
3444  * Stop or Shutdown the embedded LLDP Agent
3445  **/
3446 i40e_status i40e_aq_stop_lldp(struct i40e_hw *hw, bool shutdown_agent,
3447                                 struct i40e_asq_cmd_details *cmd_details)
3448 {
3449         struct i40e_aq_desc desc;
3450         struct i40e_aqc_lldp_stop *cmd =
3451                 (struct i40e_aqc_lldp_stop *)&desc.params.raw;
3452         i40e_status status;
3453
3454         i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_lldp_stop);
3455
3456         if (shutdown_agent)
3457                 cmd->command |= I40E_AQ_LLDP_AGENT_SHUTDOWN;
3458
3459         status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3460
3461         return status;
3462 }
3463
3464 /**
3465  * i40e_aq_start_lldp
3466  * @hw: pointer to the hw struct
3467  * @cmd_details: pointer to command details structure or NULL
3468  *
3469  * Start the embedded LLDP Agent on all ports.
3470  **/
3471 i40e_status i40e_aq_start_lldp(struct i40e_hw *hw,
3472                                 struct i40e_asq_cmd_details *cmd_details)
3473 {
3474         struct i40e_aq_desc desc;
3475         struct i40e_aqc_lldp_start *cmd =
3476                 (struct i40e_aqc_lldp_start *)&desc.params.raw;
3477         i40e_status status;
3478
3479         i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_lldp_start);
3480
3481         cmd->command = I40E_AQ_LLDP_AGENT_START;
3482
3483         status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3484
3485         return status;
3486 }
3487
3488 /**
3489  * i40e_aq_get_cee_dcb_config
3490  * @hw: pointer to the hw struct
3491  * @buff: response buffer that stores CEE operational configuration
3492  * @buff_size: size of the buffer passed
3493  * @cmd_details: pointer to command details structure or NULL
3494  *
3495  * Get CEE DCBX mode operational configuration from firmware
3496  **/
3497 i40e_status i40e_aq_get_cee_dcb_config(struct i40e_hw *hw,
3498                                        void *buff, u16 buff_size,
3499                                        struct i40e_asq_cmd_details *cmd_details)
3500 {
3501         struct i40e_aq_desc desc;
3502         i40e_status status;
3503
3504         if (buff_size == 0 || !buff)
3505                 return I40E_ERR_PARAM;
3506
3507         i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_get_cee_dcb_cfg);
3508
3509         desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
3510         status = i40e_asq_send_command(hw, &desc, (void *)buff, buff_size,
3511                                        cmd_details);
3512
3513         return status;
3514 }
3515
3516 /**
3517  * i40e_aq_add_udp_tunnel
3518  * @hw: pointer to the hw struct
3519  * @udp_port: the UDP port to add
3520  * @header_len: length of the tunneling header length in DWords
3521  * @protocol_index: protocol index type
3522  * @filter_index: pointer to filter index
3523  * @cmd_details: pointer to command details structure or NULL
3524  **/
3525 i40e_status i40e_aq_add_udp_tunnel(struct i40e_hw *hw,
3526                                 u16 udp_port, u8 protocol_index,
3527                                 u8 *filter_index,
3528                                 struct i40e_asq_cmd_details *cmd_details)
3529 {
3530         struct i40e_aq_desc desc;
3531         struct i40e_aqc_add_udp_tunnel *cmd =
3532                 (struct i40e_aqc_add_udp_tunnel *)&desc.params.raw;
3533         struct i40e_aqc_del_udp_tunnel_completion *resp =
3534                 (struct i40e_aqc_del_udp_tunnel_completion *)&desc.params.raw;
3535         i40e_status status;
3536
3537         i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_add_udp_tunnel);
3538
3539         cmd->udp_port = cpu_to_le16(udp_port);
3540         cmd->protocol_type = protocol_index;
3541
3542         status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3543
3544         if (!status && filter_index)
3545                 *filter_index = resp->index;
3546
3547         return status;
3548 }
3549
3550 /**
3551  * i40e_aq_del_udp_tunnel
3552  * @hw: pointer to the hw struct
3553  * @index: filter index
3554  * @cmd_details: pointer to command details structure or NULL
3555  **/
3556 i40e_status i40e_aq_del_udp_tunnel(struct i40e_hw *hw, u8 index,
3557                                 struct i40e_asq_cmd_details *cmd_details)
3558 {
3559         struct i40e_aq_desc desc;
3560         struct i40e_aqc_remove_udp_tunnel *cmd =
3561                 (struct i40e_aqc_remove_udp_tunnel *)&desc.params.raw;
3562         i40e_status status;
3563
3564         i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_del_udp_tunnel);
3565
3566         cmd->index = index;
3567
3568         status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3569
3570         return status;
3571 }
3572
3573 /**
3574  * i40e_aq_delete_element - Delete switch element
3575  * @hw: pointer to the hw struct
3576  * @seid: the SEID to delete from the switch
3577  * @cmd_details: pointer to command details structure or NULL
3578  *
3579  * This deletes a switch element from the switch.
3580  **/
3581 i40e_status i40e_aq_delete_element(struct i40e_hw *hw, u16 seid,
3582                                 struct i40e_asq_cmd_details *cmd_details)
3583 {
3584         struct i40e_aq_desc desc;
3585         struct i40e_aqc_switch_seid *cmd =
3586                 (struct i40e_aqc_switch_seid *)&desc.params.raw;
3587         i40e_status status;
3588
3589         if (seid == 0)
3590                 return I40E_ERR_PARAM;
3591
3592         i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_delete_element);
3593
3594         cmd->seid = cpu_to_le16(seid);
3595
3596         status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3597
3598         return status;
3599 }
3600
3601 /**
3602  * i40e_aq_dcb_updated - DCB Updated Command
3603  * @hw: pointer to the hw struct
3604  * @cmd_details: pointer to command details structure or NULL
3605  *
3606  * EMP will return when the shared RPB settings have been
3607  * recomputed and modified. The retval field in the descriptor
3608  * will be set to 0 when RPB is modified.
3609  **/
3610 i40e_status i40e_aq_dcb_updated(struct i40e_hw *hw,
3611                                 struct i40e_asq_cmd_details *cmd_details)
3612 {
3613         struct i40e_aq_desc desc;
3614         i40e_status status;
3615
3616         i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_dcb_updated);
3617
3618         status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3619
3620         return status;
3621 }
3622
3623 /**
3624  * i40e_aq_tx_sched_cmd - generic Tx scheduler AQ command handler
3625  * @hw: pointer to the hw struct
3626  * @seid: seid for the physical port/switching component/vsi
3627  * @buff: Indirect buffer to hold data parameters and response
3628  * @buff_size: Indirect buffer size
3629  * @opcode: Tx scheduler AQ command opcode
3630  * @cmd_details: pointer to command details structure or NULL
3631  *
3632  * Generic command handler for Tx scheduler AQ commands
3633  **/
3634 static i40e_status i40e_aq_tx_sched_cmd(struct i40e_hw *hw, u16 seid,
3635                                 void *buff, u16 buff_size,
3636                                  enum i40e_admin_queue_opc opcode,
3637                                 struct i40e_asq_cmd_details *cmd_details)
3638 {
3639         struct i40e_aq_desc desc;
3640         struct i40e_aqc_tx_sched_ind *cmd =
3641                 (struct i40e_aqc_tx_sched_ind *)&desc.params.raw;
3642         i40e_status status;
3643         bool cmd_param_flag = false;
3644
3645         switch (opcode) {
3646         case i40e_aqc_opc_configure_vsi_ets_sla_bw_limit:
3647         case i40e_aqc_opc_configure_vsi_tc_bw:
3648         case i40e_aqc_opc_enable_switching_comp_ets:
3649         case i40e_aqc_opc_modify_switching_comp_ets:
3650         case i40e_aqc_opc_disable_switching_comp_ets:
3651         case i40e_aqc_opc_configure_switching_comp_ets_bw_limit:
3652         case i40e_aqc_opc_configure_switching_comp_bw_config:
3653                 cmd_param_flag = true;
3654                 break;
3655         case i40e_aqc_opc_query_vsi_bw_config:
3656         case i40e_aqc_opc_query_vsi_ets_sla_config:
3657         case i40e_aqc_opc_query_switching_comp_ets_config:
3658         case i40e_aqc_opc_query_port_ets_config:
3659         case i40e_aqc_opc_query_switching_comp_bw_config:
3660                 cmd_param_flag = false;
3661                 break;
3662         default:
3663                 return I40E_ERR_PARAM;
3664         }
3665
3666         i40e_fill_default_direct_cmd_desc(&desc, opcode);
3667
3668         /* Indirect command */
3669         desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
3670         if (cmd_param_flag)
3671                 desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_RD);
3672         if (buff_size > I40E_AQ_LARGE_BUF)
3673                 desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
3674
3675         desc.datalen = cpu_to_le16(buff_size);
3676
3677         cmd->vsi_seid = cpu_to_le16(seid);
3678
3679         status = i40e_asq_send_command(hw, &desc, buff, buff_size, cmd_details);
3680
3681         return status;
3682 }
3683
3684 /**
3685  * i40e_aq_config_vsi_bw_limit - Configure VSI BW Limit
3686  * @hw: pointer to the hw struct
3687  * @seid: VSI seid
3688  * @credit: BW limit credits (0 = disabled)
3689  * @max_credit: Max BW limit credits
3690  * @cmd_details: pointer to command details structure or NULL
3691  **/
3692 i40e_status i40e_aq_config_vsi_bw_limit(struct i40e_hw *hw,
3693                                 u16 seid, u16 credit, u8 max_credit,
3694                                 struct i40e_asq_cmd_details *cmd_details)
3695 {
3696         struct i40e_aq_desc desc;
3697         struct i40e_aqc_configure_vsi_bw_limit *cmd =
3698                 (struct i40e_aqc_configure_vsi_bw_limit *)&desc.params.raw;
3699         i40e_status status;
3700
3701         i40e_fill_default_direct_cmd_desc(&desc,
3702                                           i40e_aqc_opc_configure_vsi_bw_limit);
3703
3704         cmd->vsi_seid = cpu_to_le16(seid);
3705         cmd->credit = cpu_to_le16(credit);
3706         cmd->max_credit = max_credit;
3707
3708         status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3709
3710         return status;
3711 }
3712
3713 /**
3714  * i40e_aq_config_vsi_tc_bw - Config VSI BW Allocation per TC
3715  * @hw: pointer to the hw struct
3716  * @seid: VSI seid
3717  * @bw_data: Buffer holding enabled TCs, relative TC BW limit/credits
3718  * @cmd_details: pointer to command details structure or NULL
3719  **/
3720 i40e_status i40e_aq_config_vsi_tc_bw(struct i40e_hw *hw,
3721                         u16 seid,
3722                         struct i40e_aqc_configure_vsi_tc_bw_data *bw_data,
3723                         struct i40e_asq_cmd_details *cmd_details)
3724 {
3725         return i40e_aq_tx_sched_cmd(hw, seid, (void *)bw_data, sizeof(*bw_data),
3726                                     i40e_aqc_opc_configure_vsi_tc_bw,
3727                                     cmd_details);
3728 }
3729
3730 /**
3731  * i40e_aq_config_switch_comp_ets - Enable/Disable/Modify ETS on the port
3732  * @hw: pointer to the hw struct
3733  * @seid: seid of the switching component connected to Physical Port
3734  * @ets_data: Buffer holding ETS parameters
3735  * @cmd_details: pointer to command details structure or NULL
3736  **/
3737 i40e_status i40e_aq_config_switch_comp_ets(struct i40e_hw *hw,
3738                 u16 seid,
3739                 struct i40e_aqc_configure_switching_comp_ets_data *ets_data,
3740                 enum i40e_admin_queue_opc opcode,
3741                 struct i40e_asq_cmd_details *cmd_details)
3742 {
3743         return i40e_aq_tx_sched_cmd(hw, seid, (void *)ets_data,
3744                                     sizeof(*ets_data), opcode, cmd_details);
3745 }
3746
3747 /**
3748  * i40e_aq_config_switch_comp_bw_config - Config Switch comp BW Alloc per TC
3749  * @hw: pointer to the hw struct
3750  * @seid: seid of the switching component
3751  * @bw_data: Buffer holding enabled TCs, relative/absolute TC BW limit/credits
3752  * @cmd_details: pointer to command details structure or NULL
3753  **/
3754 i40e_status i40e_aq_config_switch_comp_bw_config(struct i40e_hw *hw,
3755         u16 seid,
3756         struct i40e_aqc_configure_switching_comp_bw_config_data *bw_data,
3757         struct i40e_asq_cmd_details *cmd_details)
3758 {
3759         return i40e_aq_tx_sched_cmd(hw, seid, (void *)bw_data, sizeof(*bw_data),
3760                             i40e_aqc_opc_configure_switching_comp_bw_config,
3761                             cmd_details);
3762 }
3763
3764 /**
3765  * i40e_aq_query_vsi_bw_config - Query VSI BW configuration
3766  * @hw: pointer to the hw struct
3767  * @seid: seid of the VSI
3768  * @bw_data: Buffer to hold VSI BW configuration
3769  * @cmd_details: pointer to command details structure or NULL
3770  **/
3771 i40e_status i40e_aq_query_vsi_bw_config(struct i40e_hw *hw,
3772                         u16 seid,
3773                         struct i40e_aqc_query_vsi_bw_config_resp *bw_data,
3774                         struct i40e_asq_cmd_details *cmd_details)
3775 {
3776         return i40e_aq_tx_sched_cmd(hw, seid, (void *)bw_data, sizeof(*bw_data),
3777                                     i40e_aqc_opc_query_vsi_bw_config,
3778                                     cmd_details);
3779 }
3780
3781 /**
3782  * i40e_aq_query_vsi_ets_sla_config - Query VSI BW configuration per TC
3783  * @hw: pointer to the hw struct
3784  * @seid: seid of the VSI
3785  * @bw_data: Buffer to hold VSI BW configuration per TC
3786  * @cmd_details: pointer to command details structure or NULL
3787  **/
3788 i40e_status i40e_aq_query_vsi_ets_sla_config(struct i40e_hw *hw,
3789                         u16 seid,
3790                         struct i40e_aqc_query_vsi_ets_sla_config_resp *bw_data,
3791                         struct i40e_asq_cmd_details *cmd_details)
3792 {
3793         return i40e_aq_tx_sched_cmd(hw, seid, (void *)bw_data, sizeof(*bw_data),
3794                                     i40e_aqc_opc_query_vsi_ets_sla_config,
3795                                     cmd_details);
3796 }
3797
3798 /**
3799  * i40e_aq_query_switch_comp_ets_config - Query Switch comp BW config per TC
3800  * @hw: pointer to the hw struct
3801  * @seid: seid of the switching component
3802  * @bw_data: Buffer to hold switching component's per TC BW config
3803  * @cmd_details: pointer to command details structure or NULL
3804  **/
3805 i40e_status i40e_aq_query_switch_comp_ets_config(struct i40e_hw *hw,
3806                 u16 seid,
3807                 struct i40e_aqc_query_switching_comp_ets_config_resp *bw_data,
3808                 struct i40e_asq_cmd_details *cmd_details)
3809 {
3810         return i40e_aq_tx_sched_cmd(hw, seid, (void *)bw_data, sizeof(*bw_data),
3811                                    i40e_aqc_opc_query_switching_comp_ets_config,
3812                                    cmd_details);
3813 }
3814
3815 /**
3816  * i40e_aq_query_port_ets_config - Query Physical Port ETS configuration
3817  * @hw: pointer to the hw struct
3818  * @seid: seid of the VSI or switching component connected to Physical Port
3819  * @bw_data: Buffer to hold current ETS configuration for the Physical Port
3820  * @cmd_details: pointer to command details structure or NULL
3821  **/
3822 i40e_status i40e_aq_query_port_ets_config(struct i40e_hw *hw,
3823                         u16 seid,
3824                         struct i40e_aqc_query_port_ets_config_resp *bw_data,
3825                         struct i40e_asq_cmd_details *cmd_details)
3826 {
3827         return i40e_aq_tx_sched_cmd(hw, seid, (void *)bw_data, sizeof(*bw_data),
3828                                     i40e_aqc_opc_query_port_ets_config,
3829                                     cmd_details);
3830 }
3831
3832 /**
3833  * i40e_aq_query_switch_comp_bw_config - Query Switch comp BW configuration
3834  * @hw: pointer to the hw struct
3835  * @seid: seid of the switching component
3836  * @bw_data: Buffer to hold switching component's BW configuration
3837  * @cmd_details: pointer to command details structure or NULL
3838  **/
3839 i40e_status i40e_aq_query_switch_comp_bw_config(struct i40e_hw *hw,
3840                 u16 seid,
3841                 struct i40e_aqc_query_switching_comp_bw_config_resp *bw_data,
3842                 struct i40e_asq_cmd_details *cmd_details)
3843 {
3844         return i40e_aq_tx_sched_cmd(hw, seid, (void *)bw_data, sizeof(*bw_data),
3845                                     i40e_aqc_opc_query_switching_comp_bw_config,
3846                                     cmd_details);
3847 }
3848
3849 /**
3850  * i40e_validate_filter_settings
3851  * @hw: pointer to the hardware structure
3852  * @settings: Filter control settings
3853  *
3854  * Check and validate the filter control settings passed.
3855  * The function checks for the valid filter/context sizes being
3856  * passed for FCoE and PE.
3857  *
3858  * Returns 0 if the values passed are valid and within
3859  * range else returns an error.
3860  **/
3861 static i40e_status i40e_validate_filter_settings(struct i40e_hw *hw,
3862                                 struct i40e_filter_control_settings *settings)
3863 {
3864         u32 fcoe_cntx_size, fcoe_filt_size;
3865         u32 pe_cntx_size, pe_filt_size;
3866         u32 fcoe_fmax;
3867         u32 val;
3868
3869         /* Validate FCoE settings passed */
3870         switch (settings->fcoe_filt_num) {
3871         case I40E_HASH_FILTER_SIZE_1K:
3872         case I40E_HASH_FILTER_SIZE_2K:
3873         case I40E_HASH_FILTER_SIZE_4K:
3874         case I40E_HASH_FILTER_SIZE_8K:
3875         case I40E_HASH_FILTER_SIZE_16K:
3876         case I40E_HASH_FILTER_SIZE_32K:
3877                 fcoe_filt_size = I40E_HASH_FILTER_BASE_SIZE;
3878                 fcoe_filt_size <<= (u32)settings->fcoe_filt_num;
3879                 break;
3880         default:
3881                 return I40E_ERR_PARAM;
3882         }
3883
3884         switch (settings->fcoe_cntx_num) {
3885         case I40E_DMA_CNTX_SIZE_512:
3886         case I40E_DMA_CNTX_SIZE_1K:
3887         case I40E_DMA_CNTX_SIZE_2K:
3888         case I40E_DMA_CNTX_SIZE_4K:
3889                 fcoe_cntx_size = I40E_DMA_CNTX_BASE_SIZE;
3890                 fcoe_cntx_size <<= (u32)settings->fcoe_cntx_num;
3891                 break;
3892         default:
3893                 return I40E_ERR_PARAM;
3894         }
3895
3896         /* Validate PE settings passed */
3897         switch (settings->pe_filt_num) {
3898         case I40E_HASH_FILTER_SIZE_1K:
3899         case I40E_HASH_FILTER_SIZE_2K:
3900         case I40E_HASH_FILTER_SIZE_4K:
3901         case I40E_HASH_FILTER_SIZE_8K:
3902         case I40E_HASH_FILTER_SIZE_16K:
3903         case I40E_HASH_FILTER_SIZE_32K:
3904         case I40E_HASH_FILTER_SIZE_64K:
3905         case I40E_HASH_FILTER_SIZE_128K:
3906         case I40E_HASH_FILTER_SIZE_256K:
3907         case I40E_HASH_FILTER_SIZE_512K:
3908         case I40E_HASH_FILTER_SIZE_1M:
3909                 pe_filt_size = I40E_HASH_FILTER_BASE_SIZE;
3910                 pe_filt_size <<= (u32)settings->pe_filt_num;
3911                 break;
3912         default:
3913                 return I40E_ERR_PARAM;
3914         }
3915
3916         switch (settings->pe_cntx_num) {
3917         case I40E_DMA_CNTX_SIZE_512:
3918         case I40E_DMA_CNTX_SIZE_1K:
3919         case I40E_DMA_CNTX_SIZE_2K:
3920         case I40E_DMA_CNTX_SIZE_4K:
3921         case I40E_DMA_CNTX_SIZE_8K:
3922         case I40E_DMA_CNTX_SIZE_16K:
3923         case I40E_DMA_CNTX_SIZE_32K:
3924         case I40E_DMA_CNTX_SIZE_64K:
3925         case I40E_DMA_CNTX_SIZE_128K:
3926         case I40E_DMA_CNTX_SIZE_256K:
3927                 pe_cntx_size = I40E_DMA_CNTX_BASE_SIZE;
3928                 pe_cntx_size <<= (u32)settings->pe_cntx_num;
3929                 break;
3930         default:
3931                 return I40E_ERR_PARAM;
3932         }
3933
3934         /* FCHSIZE + FCDSIZE should not be greater than PMFCOEFMAX */
3935         val = rd32(hw, I40E_GLHMC_FCOEFMAX);
3936         fcoe_fmax = (val & I40E_GLHMC_FCOEFMAX_PMFCOEFMAX_MASK)
3937                      >> I40E_GLHMC_FCOEFMAX_PMFCOEFMAX_SHIFT;
3938         if (fcoe_filt_size + fcoe_cntx_size >  fcoe_fmax)
3939                 return I40E_ERR_INVALID_SIZE;
3940
3941         return 0;
3942 }
3943
3944 /**
3945  * i40e_set_filter_control
3946  * @hw: pointer to the hardware structure
3947  * @settings: Filter control settings
3948  *
3949  * Set the Queue Filters for PE/FCoE and enable filters required
3950  * for a single PF. It is expected that these settings are programmed
3951  * at the driver initialization time.
3952  **/
3953 i40e_status i40e_set_filter_control(struct i40e_hw *hw,
3954                                 struct i40e_filter_control_settings *settings)
3955 {
3956         i40e_status ret = 0;
3957         u32 hash_lut_size = 0;
3958         u32 val;
3959
3960         if (!settings)
3961                 return I40E_ERR_PARAM;
3962
3963         /* Validate the input settings */
3964         ret = i40e_validate_filter_settings(hw, settings);
3965         if (ret)
3966                 return ret;
3967
3968         /* Read the PF Queue Filter control register */
3969         val = i40e_read_rx_ctl(hw, I40E_PFQF_CTL_0);
3970
3971         /* Program required PE hash buckets for the PF */
3972         val &= ~I40E_PFQF_CTL_0_PEHSIZE_MASK;
3973         val |= ((u32)settings->pe_filt_num << I40E_PFQF_CTL_0_PEHSIZE_SHIFT) &
3974                 I40E_PFQF_CTL_0_PEHSIZE_MASK;
3975         /* Program required PE contexts for the PF */
3976         val &= ~I40E_PFQF_CTL_0_PEDSIZE_MASK;
3977         val |= ((u32)settings->pe_cntx_num << I40E_PFQF_CTL_0_PEDSIZE_SHIFT) &
3978                 I40E_PFQF_CTL_0_PEDSIZE_MASK;
3979
3980         /* Program required FCoE hash buckets for the PF */
3981         val &= ~I40E_PFQF_CTL_0_PFFCHSIZE_MASK;
3982         val |= ((u32)settings->fcoe_filt_num <<
3983                         I40E_PFQF_CTL_0_PFFCHSIZE_SHIFT) &
3984                 I40E_PFQF_CTL_0_PFFCHSIZE_MASK;
3985         /* Program required FCoE DDP contexts for the PF */
3986         val &= ~I40E_PFQF_CTL_0_PFFCDSIZE_MASK;
3987         val |= ((u32)settings->fcoe_cntx_num <<
3988                         I40E_PFQF_CTL_0_PFFCDSIZE_SHIFT) &
3989                 I40E_PFQF_CTL_0_PFFCDSIZE_MASK;
3990
3991         /* Program Hash LUT size for the PF */
3992         val &= ~I40E_PFQF_CTL_0_HASHLUTSIZE_MASK;
3993         if (settings->hash_lut_size == I40E_HASH_LUT_SIZE_512)
3994                 hash_lut_size = 1;
3995         val |= (hash_lut_size << I40E_PFQF_CTL_0_HASHLUTSIZE_SHIFT) &
3996                 I40E_PFQF_CTL_0_HASHLUTSIZE_MASK;
3997
3998         /* Enable FDIR, Ethertype and MACVLAN filters for PF and VFs */
3999         if (settings->enable_fdir)
4000                 val |= I40E_PFQF_CTL_0_FD_ENA_MASK;
4001         if (settings->enable_ethtype)
4002                 val |= I40E_PFQF_CTL_0_ETYPE_ENA_MASK;
4003         if (settings->enable_macvlan)
4004                 val |= I40E_PFQF_CTL_0_MACVLAN_ENA_MASK;
4005
4006         i40e_write_rx_ctl(hw, I40E_PFQF_CTL_0, val);
4007
4008         return 0;
4009 }
4010
4011 /**
4012  * i40e_aq_add_rem_control_packet_filter - Add or Remove Control Packet Filter
4013  * @hw: pointer to the hw struct
4014  * @mac_addr: MAC address to use in the filter
4015  * @ethtype: Ethertype to use in the filter
4016  * @flags: Flags that needs to be applied to the filter
4017  * @vsi_seid: seid of the control VSI
4018  * @queue: VSI queue number to send the packet to
4019  * @is_add: Add control packet filter if True else remove
4020  * @stats: Structure to hold information on control filter counts
4021  * @cmd_details: pointer to command details structure or NULL
4022  *
4023  * This command will Add or Remove control packet filter for a control VSI.
4024  * In return it will update the total number of perfect filter count in
4025  * the stats member.
4026  **/
4027 i40e_status i40e_aq_add_rem_control_packet_filter(struct i40e_hw *hw,
4028                                 u8 *mac_addr, u16 ethtype, u16 flags,
4029                                 u16 vsi_seid, u16 queue, bool is_add,
4030                                 struct i40e_control_filter_stats *stats,
4031                                 struct i40e_asq_cmd_details *cmd_details)
4032 {
4033         struct i40e_aq_desc desc;
4034         struct i40e_aqc_add_remove_control_packet_filter *cmd =
4035                 (struct i40e_aqc_add_remove_control_packet_filter *)
4036                 &desc.params.raw;
4037         struct i40e_aqc_add_remove_control_packet_filter_completion *resp =
4038                 (struct i40e_aqc_add_remove_control_packet_filter_completion *)
4039                 &desc.params.raw;
4040         i40e_status status;
4041
4042         if (vsi_seid == 0)
4043                 return I40E_ERR_PARAM;
4044
4045         if (is_add) {
4046                 i40e_fill_default_direct_cmd_desc(&desc,
4047                                 i40e_aqc_opc_add_control_packet_filter);
4048                 cmd->queue = cpu_to_le16(queue);
4049         } else {
4050                 i40e_fill_default_direct_cmd_desc(&desc,
4051                                 i40e_aqc_opc_remove_control_packet_filter);
4052         }
4053
4054         if (mac_addr)
4055                 ether_addr_copy(cmd->mac, mac_addr);
4056
4057         cmd->etype = cpu_to_le16(ethtype);
4058         cmd->flags = cpu_to_le16(flags);
4059         cmd->seid = cpu_to_le16(vsi_seid);
4060
4061         status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
4062
4063         if (!status && stats) {
4064                 stats->mac_etype_used = le16_to_cpu(resp->mac_etype_used);
4065                 stats->etype_used = le16_to_cpu(resp->etype_used);
4066                 stats->mac_etype_free = le16_to_cpu(resp->mac_etype_free);
4067                 stats->etype_free = le16_to_cpu(resp->etype_free);
4068         }
4069
4070         return status;
4071 }
4072
4073 /**
4074  * i40e_add_filter_to_drop_tx_flow_control_frames- filter to drop flow control
4075  * @hw: pointer to the hw struct
4076  * @seid: VSI seid to add ethertype filter from
4077  **/
4078 #define I40E_FLOW_CONTROL_ETHTYPE 0x8808
4079 void i40e_add_filter_to_drop_tx_flow_control_frames(struct i40e_hw *hw,
4080                                                     u16 seid)
4081 {
4082         u16 flag = I40E_AQC_ADD_CONTROL_PACKET_FLAGS_IGNORE_MAC |
4083                    I40E_AQC_ADD_CONTROL_PACKET_FLAGS_DROP |
4084                    I40E_AQC_ADD_CONTROL_PACKET_FLAGS_TX;
4085         u16 ethtype = I40E_FLOW_CONTROL_ETHTYPE;
4086         i40e_status status;
4087
4088         status = i40e_aq_add_rem_control_packet_filter(hw, NULL, ethtype, flag,
4089                                                        seid, 0, true, NULL,
4090                                                        NULL);
4091         if (status)
4092                 hw_dbg(hw, "Ethtype Filter Add failed: Error pruning Tx flow control frames\n");
4093 }
4094
4095 /**
4096  * i40e_aq_alternate_read
4097  * @hw: pointer to the hardware structure
4098  * @reg_addr0: address of first dword to be read
4099  * @reg_val0: pointer for data read from 'reg_addr0'
4100  * @reg_addr1: address of second dword to be read
4101  * @reg_val1: pointer for data read from 'reg_addr1'
4102  *
4103  * Read one or two dwords from alternate structure. Fields are indicated
4104  * by 'reg_addr0' and 'reg_addr1' register numbers. If 'reg_val1' pointer
4105  * is not passed then only register at 'reg_addr0' is read.
4106  *
4107  **/
4108 static i40e_status i40e_aq_alternate_read(struct i40e_hw *hw,
4109                                           u32 reg_addr0, u32 *reg_val0,
4110                                           u32 reg_addr1, u32 *reg_val1)
4111 {
4112         struct i40e_aq_desc desc;
4113         struct i40e_aqc_alternate_write *cmd_resp =
4114                 (struct i40e_aqc_alternate_write *)&desc.params.raw;
4115         i40e_status status;
4116
4117         if (!reg_val0)
4118                 return I40E_ERR_PARAM;
4119
4120         i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_alternate_read);
4121         cmd_resp->address0 = cpu_to_le32(reg_addr0);
4122         cmd_resp->address1 = cpu_to_le32(reg_addr1);
4123
4124         status = i40e_asq_send_command(hw, &desc, NULL, 0, NULL);
4125
4126         if (!status) {
4127                 *reg_val0 = le32_to_cpu(cmd_resp->data0);
4128
4129                 if (reg_val1)
4130                         *reg_val1 = le32_to_cpu(cmd_resp->data1);
4131         }
4132
4133         return status;
4134 }
4135
4136 /**
4137  * i40e_aq_resume_port_tx
4138  * @hw: pointer to the hardware structure
4139  * @cmd_details: pointer to command details structure or NULL
4140  *
4141  * Resume port's Tx traffic
4142  **/
4143 i40e_status i40e_aq_resume_port_tx(struct i40e_hw *hw,
4144                                    struct i40e_asq_cmd_details *cmd_details)
4145 {
4146         struct i40e_aq_desc desc;
4147         i40e_status status;
4148
4149         i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_resume_port_tx);
4150
4151         status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
4152
4153         return status;
4154 }
4155
4156 /**
4157  * i40e_set_pci_config_data - store PCI bus info
4158  * @hw: pointer to hardware structure
4159  * @link_status: the link status word from PCI config space
4160  *
4161  * Stores the PCI bus info (speed, width, type) within the i40e_hw structure
4162  **/
4163 void i40e_set_pci_config_data(struct i40e_hw *hw, u16 link_status)
4164 {
4165         hw->bus.type = i40e_bus_type_pci_express;
4166
4167         switch (link_status & PCI_EXP_LNKSTA_NLW) {
4168         case PCI_EXP_LNKSTA_NLW_X1:
4169                 hw->bus.width = i40e_bus_width_pcie_x1;
4170                 break;
4171         case PCI_EXP_LNKSTA_NLW_X2:
4172                 hw->bus.width = i40e_bus_width_pcie_x2;
4173                 break;
4174         case PCI_EXP_LNKSTA_NLW_X4:
4175                 hw->bus.width = i40e_bus_width_pcie_x4;
4176                 break;
4177         case PCI_EXP_LNKSTA_NLW_X8:
4178                 hw->bus.width = i40e_bus_width_pcie_x8;
4179                 break;
4180         default:
4181                 hw->bus.width = i40e_bus_width_unknown;
4182                 break;
4183         }
4184
4185         switch (link_status & PCI_EXP_LNKSTA_CLS) {
4186         case PCI_EXP_LNKSTA_CLS_2_5GB:
4187                 hw->bus.speed = i40e_bus_speed_2500;
4188                 break;
4189         case PCI_EXP_LNKSTA_CLS_5_0GB:
4190                 hw->bus.speed = i40e_bus_speed_5000;
4191                 break;
4192         case PCI_EXP_LNKSTA_CLS_8_0GB:
4193                 hw->bus.speed = i40e_bus_speed_8000;
4194                 break;
4195         default:
4196                 hw->bus.speed = i40e_bus_speed_unknown;
4197                 break;
4198         }
4199 }
4200
4201 /**
4202  * i40e_aq_debug_dump
4203  * @hw: pointer to the hardware structure
4204  * @cluster_id: specific cluster to dump
4205  * @table_id: table id within cluster
4206  * @start_index: index of line in the block to read
4207  * @buff_size: dump buffer size
4208  * @buff: dump buffer
4209  * @ret_buff_size: actual buffer size returned
4210  * @ret_next_table: next block to read
4211  * @ret_next_index: next index to read
4212  *
4213  * Dump internal FW/HW data for debug purposes.
4214  *
4215  **/
4216 i40e_status i40e_aq_debug_dump(struct i40e_hw *hw, u8 cluster_id,
4217                                u8 table_id, u32 start_index, u16 buff_size,
4218                                void *buff, u16 *ret_buff_size,
4219                                u8 *ret_next_table, u32 *ret_next_index,
4220                                struct i40e_asq_cmd_details *cmd_details)
4221 {
4222         struct i40e_aq_desc desc;
4223         struct i40e_aqc_debug_dump_internals *cmd =
4224                 (struct i40e_aqc_debug_dump_internals *)&desc.params.raw;
4225         struct i40e_aqc_debug_dump_internals *resp =
4226                 (struct i40e_aqc_debug_dump_internals *)&desc.params.raw;
4227         i40e_status status;
4228
4229         if (buff_size == 0 || !buff)
4230                 return I40E_ERR_PARAM;
4231
4232         i40e_fill_default_direct_cmd_desc(&desc,
4233                                           i40e_aqc_opc_debug_dump_internals);
4234         /* Indirect Command */
4235         desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
4236         if (buff_size > I40E_AQ_LARGE_BUF)
4237                 desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
4238
4239         cmd->cluster_id = cluster_id;
4240         cmd->table_id = table_id;
4241         cmd->idx = cpu_to_le32(start_index);
4242
4243         desc.datalen = cpu_to_le16(buff_size);
4244
4245         status = i40e_asq_send_command(hw, &desc, buff, buff_size, cmd_details);
4246         if (!status) {
4247                 if (ret_buff_size)
4248                         *ret_buff_size = le16_to_cpu(desc.datalen);
4249                 if (ret_next_table)
4250                         *ret_next_table = resp->table_id;
4251                 if (ret_next_index)
4252                         *ret_next_index = le32_to_cpu(resp->idx);
4253         }
4254
4255         return status;
4256 }
4257
4258 /**
4259  * i40e_read_bw_from_alt_ram
4260  * @hw: pointer to the hardware structure
4261  * @max_bw: pointer for max_bw read
4262  * @min_bw: pointer for min_bw read
4263  * @min_valid: pointer for bool that is true if min_bw is a valid value
4264  * @max_valid: pointer for bool that is true if max_bw is a valid value
4265  *
4266  * Read bw from the alternate ram for the given pf
4267  **/
4268 i40e_status i40e_read_bw_from_alt_ram(struct i40e_hw *hw,
4269                                       u32 *max_bw, u32 *min_bw,
4270                                       bool *min_valid, bool *max_valid)
4271 {
4272         i40e_status status;
4273         u32 max_bw_addr, min_bw_addr;
4274
4275         /* Calculate the address of the min/max bw registers */
4276         max_bw_addr = I40E_ALT_STRUCT_FIRST_PF_OFFSET +
4277                       I40E_ALT_STRUCT_MAX_BW_OFFSET +
4278                       (I40E_ALT_STRUCT_DWORDS_PER_PF * hw->pf_id);
4279         min_bw_addr = I40E_ALT_STRUCT_FIRST_PF_OFFSET +
4280                       I40E_ALT_STRUCT_MIN_BW_OFFSET +
4281                       (I40E_ALT_STRUCT_DWORDS_PER_PF * hw->pf_id);
4282
4283         /* Read the bandwidths from alt ram */
4284         status = i40e_aq_alternate_read(hw, max_bw_addr, max_bw,
4285                                         min_bw_addr, min_bw);
4286
4287         if (*min_bw & I40E_ALT_BW_VALID_MASK)
4288                 *min_valid = true;
4289         else
4290                 *min_valid = false;
4291
4292         if (*max_bw & I40E_ALT_BW_VALID_MASK)
4293                 *max_valid = true;
4294         else
4295                 *max_valid = false;
4296
4297         return status;
4298 }
4299
4300 /**
4301  * i40e_aq_configure_partition_bw
4302  * @hw: pointer to the hardware structure
4303  * @bw_data: Buffer holding valid pfs and bw limits
4304  * @cmd_details: pointer to command details
4305  *
4306  * Configure partitions guaranteed/max bw
4307  **/
4308 i40e_status i40e_aq_configure_partition_bw(struct i40e_hw *hw,
4309                         struct i40e_aqc_configure_partition_bw_data *bw_data,
4310                         struct i40e_asq_cmd_details *cmd_details)
4311 {
4312         i40e_status status;
4313         struct i40e_aq_desc desc;
4314         u16 bwd_size = sizeof(*bw_data);
4315
4316         i40e_fill_default_direct_cmd_desc(&desc,
4317                                           i40e_aqc_opc_configure_partition_bw);
4318
4319         /* Indirect command */
4320         desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
4321         desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_RD);
4322
4323         if (bwd_size > I40E_AQ_LARGE_BUF)
4324                 desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
4325
4326         desc.datalen = cpu_to_le16(bwd_size);
4327
4328         status = i40e_asq_send_command(hw, &desc, bw_data, bwd_size,
4329                                        cmd_details);
4330
4331         return status;
4332 }
4333
4334 /**
4335  * i40e_read_phy_register
4336  * @hw: pointer to the HW structure
4337  * @page: registers page number
4338  * @reg: register address in the page
4339  * @phy_adr: PHY address on MDIO interface
4340  * @value: PHY register value
4341  *
4342  * Reads specified PHY register value
4343  **/
4344 i40e_status i40e_read_phy_register(struct i40e_hw *hw,
4345                                    u8 page, u16 reg, u8 phy_addr,
4346                                    u16 *value)
4347 {
4348         i40e_status status = I40E_ERR_TIMEOUT;
4349         u32 command = 0;
4350         u16 retry = 1000;
4351         u8 port_num = hw->func_caps.mdio_port_num;
4352
4353         command = (reg << I40E_GLGEN_MSCA_MDIADD_SHIFT) |
4354                   (page << I40E_GLGEN_MSCA_DEVADD_SHIFT) |
4355                   (phy_addr << I40E_GLGEN_MSCA_PHYADD_SHIFT) |
4356                   (I40E_MDIO_OPCODE_ADDRESS) |
4357                   (I40E_MDIO_STCODE) |
4358                   (I40E_GLGEN_MSCA_MDICMD_MASK) |
4359                   (I40E_GLGEN_MSCA_MDIINPROGEN_MASK);
4360         wr32(hw, I40E_GLGEN_MSCA(port_num), command);
4361         do {
4362                 command = rd32(hw, I40E_GLGEN_MSCA(port_num));
4363                 if (!(command & I40E_GLGEN_MSCA_MDICMD_MASK)) {
4364                         status = 0;
4365                         break;
4366                 }
4367                 usleep_range(10, 20);
4368                 retry--;
4369         } while (retry);
4370
4371         if (status) {
4372                 i40e_debug(hw, I40E_DEBUG_PHY,
4373                            "PHY: Can't write command to external PHY.\n");
4374                 goto phy_read_end;
4375         }
4376
4377         command = (page << I40E_GLGEN_MSCA_DEVADD_SHIFT) |
4378                   (phy_addr << I40E_GLGEN_MSCA_PHYADD_SHIFT) |
4379                   (I40E_MDIO_OPCODE_READ) |
4380                   (I40E_MDIO_STCODE) |
4381                   (I40E_GLGEN_MSCA_MDICMD_MASK) |
4382                   (I40E_GLGEN_MSCA_MDIINPROGEN_MASK);
4383         status = I40E_ERR_TIMEOUT;
4384         retry = 1000;
4385         wr32(hw, I40E_GLGEN_MSCA(port_num), command);
4386         do {
4387                 command = rd32(hw, I40E_GLGEN_MSCA(port_num));
4388                 if (!(command & I40E_GLGEN_MSCA_MDICMD_MASK)) {
4389                         status = 0;
4390                         break;
4391                 }
4392                 usleep_range(10, 20);
4393                 retry--;
4394         } while (retry);
4395
4396         if (!status) {
4397                 command = rd32(hw, I40E_GLGEN_MSRWD(port_num));
4398                 *value = (command & I40E_GLGEN_MSRWD_MDIRDDATA_MASK) >>
4399                          I40E_GLGEN_MSRWD_MDIRDDATA_SHIFT;
4400         } else {
4401                 i40e_debug(hw, I40E_DEBUG_PHY,
4402                            "PHY: Can't read register value from external PHY.\n");
4403         }
4404
4405 phy_read_end:
4406         return status;
4407 }
4408
4409 /**
4410  * i40e_write_phy_register
4411  * @hw: pointer to the HW structure
4412  * @page: registers page number
4413  * @reg: register address in the page
4414  * @phy_adr: PHY address on MDIO interface
4415  * @value: PHY register value
4416  *
4417  * Writes value to specified PHY register
4418  **/
4419 i40e_status i40e_write_phy_register(struct i40e_hw *hw,
4420                                     u8 page, u16 reg, u8 phy_addr,
4421                                     u16 value)
4422 {
4423         i40e_status status = I40E_ERR_TIMEOUT;
4424         u32 command = 0;
4425         u16 retry = 1000;
4426         u8 port_num = hw->func_caps.mdio_port_num;
4427
4428         command = (reg << I40E_GLGEN_MSCA_MDIADD_SHIFT) |
4429                   (page << I40E_GLGEN_MSCA_DEVADD_SHIFT) |
4430                   (phy_addr << I40E_GLGEN_MSCA_PHYADD_SHIFT) |
4431                   (I40E_MDIO_OPCODE_ADDRESS) |
4432                   (I40E_MDIO_STCODE) |
4433                   (I40E_GLGEN_MSCA_MDICMD_MASK) |
4434                   (I40E_GLGEN_MSCA_MDIINPROGEN_MASK);
4435         wr32(hw, I40E_GLGEN_MSCA(port_num), command);
4436         do {
4437                 command = rd32(hw, I40E_GLGEN_MSCA(port_num));
4438                 if (!(command & I40E_GLGEN_MSCA_MDICMD_MASK)) {
4439                         status = 0;
4440                         break;
4441                 }
4442                 usleep_range(10, 20);
4443                 retry--;
4444         } while (retry);
4445         if (status) {
4446                 i40e_debug(hw, I40E_DEBUG_PHY,
4447                            "PHY: Can't write command to external PHY.\n");
4448                 goto phy_write_end;
4449         }
4450
4451         command = value << I40E_GLGEN_MSRWD_MDIWRDATA_SHIFT;
4452         wr32(hw, I40E_GLGEN_MSRWD(port_num), command);
4453
4454         command = (page << I40E_GLGEN_MSCA_DEVADD_SHIFT) |
4455                   (phy_addr << I40E_GLGEN_MSCA_PHYADD_SHIFT) |
4456                   (I40E_MDIO_OPCODE_WRITE) |
4457                   (I40E_MDIO_STCODE) |
4458                   (I40E_GLGEN_MSCA_MDICMD_MASK) |
4459                   (I40E_GLGEN_MSCA_MDIINPROGEN_MASK);
4460         status = I40E_ERR_TIMEOUT;
4461         retry = 1000;
4462         wr32(hw, I40E_GLGEN_MSCA(port_num), command);
4463         do {
4464                 command = rd32(hw, I40E_GLGEN_MSCA(port_num));
4465                 if (!(command & I40E_GLGEN_MSCA_MDICMD_MASK)) {
4466                         status = 0;
4467                         break;
4468                 }
4469                 usleep_range(10, 20);
4470                 retry--;
4471         } while (retry);
4472
4473 phy_write_end:
4474         return status;
4475 }
4476
4477 /**
4478  * i40e_get_phy_address
4479  * @hw: pointer to the HW structure
4480  * @dev_num: PHY port num that address we want
4481  * @phy_addr: Returned PHY address
4482  *
4483  * Gets PHY address for current port
4484  **/
4485 u8 i40e_get_phy_address(struct i40e_hw *hw, u8 dev_num)
4486 {
4487         u8 port_num = hw->func_caps.mdio_port_num;
4488         u32 reg_val = rd32(hw, I40E_GLGEN_MDIO_I2C_SEL(port_num));
4489
4490         return (u8)(reg_val >> ((dev_num + 1) * 5)) & 0x1f;
4491 }
4492
4493 /**
4494  * i40e_blink_phy_led
4495  * @hw: pointer to the HW structure
4496  * @time: time how long led will blinks in secs
4497  * @interval: gap between LED on and off in msecs
4498  *
4499  * Blinks PHY link LED
4500  **/
4501 i40e_status i40e_blink_phy_link_led(struct i40e_hw *hw,
4502                                     u32 time, u32 interval)
4503 {
4504         i40e_status status = 0;
4505         u32 i;
4506         u16 led_ctl;
4507         u16 gpio_led_port;
4508         u16 led_reg;
4509         u16 led_addr = I40E_PHY_LED_PROV_REG_1;
4510         u8 phy_addr = 0;
4511         u8 port_num;
4512
4513         i = rd32(hw, I40E_PFGEN_PORTNUM);
4514         port_num = (u8)(i & I40E_PFGEN_PORTNUM_PORT_NUM_MASK);
4515         phy_addr = i40e_get_phy_address(hw, port_num);
4516
4517         for (gpio_led_port = 0; gpio_led_port < 3; gpio_led_port++,
4518              led_addr++) {
4519                 status = i40e_read_phy_register(hw, I40E_PHY_COM_REG_PAGE,
4520                                                 led_addr, phy_addr, &led_reg);
4521                 if (status)
4522                         goto phy_blinking_end;
4523                 led_ctl = led_reg;
4524                 if (led_reg & I40E_PHY_LED_LINK_MODE_MASK) {
4525                         led_reg = 0;
4526                         status = i40e_write_phy_register(hw,
4527                                                          I40E_PHY_COM_REG_PAGE,
4528                                                          led_addr, phy_addr,
4529                                                          led_reg);
4530                         if (status)
4531                                 goto phy_blinking_end;
4532                         break;
4533                 }
4534         }
4535
4536         if (time > 0 && interval > 0) {
4537                 for (i = 0; i < time * 1000; i += interval) {
4538                         status = i40e_read_phy_register(hw,
4539                                                         I40E_PHY_COM_REG_PAGE,
4540                                                         led_addr, phy_addr,
4541                                                         &led_reg);
4542                         if (status)
4543                                 goto restore_config;
4544                         if (led_reg & I40E_PHY_LED_MANUAL_ON)
4545                                 led_reg = 0;
4546                         else
4547                                 led_reg = I40E_PHY_LED_MANUAL_ON;
4548                         status = i40e_write_phy_register(hw,
4549                                                          I40E_PHY_COM_REG_PAGE,
4550                                                          led_addr, phy_addr,
4551                                                          led_reg);
4552                         if (status)
4553                                 goto restore_config;
4554                         msleep(interval);
4555                 }
4556         }
4557
4558 restore_config:
4559         status = i40e_write_phy_register(hw, I40E_PHY_COM_REG_PAGE, led_addr,
4560                                          phy_addr, led_ctl);
4561
4562 phy_blinking_end:
4563         return status;
4564 }
4565
4566 /**
4567  * i40e_led_get_phy - return current on/off mode
4568  * @hw: pointer to the hw struct
4569  * @led_addr: address of led register to use
4570  * @val: original value of register to use
4571  *
4572  **/
4573 i40e_status i40e_led_get_phy(struct i40e_hw *hw, u16 *led_addr,
4574                              u16 *val)
4575 {
4576         i40e_status status = 0;
4577         u16 gpio_led_port;
4578         u8 phy_addr = 0;
4579         u16 reg_val;
4580         u16 temp_addr;
4581         u8 port_num;
4582         u32 i;
4583
4584         temp_addr = I40E_PHY_LED_PROV_REG_1;
4585         i = rd32(hw, I40E_PFGEN_PORTNUM);
4586         port_num = (u8)(i & I40E_PFGEN_PORTNUM_PORT_NUM_MASK);
4587         phy_addr = i40e_get_phy_address(hw, port_num);
4588
4589         for (gpio_led_port = 0; gpio_led_port < 3; gpio_led_port++,
4590              temp_addr++) {
4591                 status = i40e_read_phy_register(hw, I40E_PHY_COM_REG_PAGE,
4592                                                 temp_addr, phy_addr, &reg_val);
4593                 if (status)
4594                         return status;
4595                 *val = reg_val;
4596                 if (reg_val & I40E_PHY_LED_LINK_MODE_MASK) {
4597                         *led_addr = temp_addr;
4598                         break;
4599                 }
4600         }
4601         return status;
4602 }
4603
4604 /**
4605  * i40e_led_set_phy
4606  * @hw: pointer to the HW structure
4607  * @on: true or false
4608  * @mode: original val plus bit for set or ignore
4609  * Set led's on or off when controlled by the PHY
4610  *
4611  **/
4612 i40e_status i40e_led_set_phy(struct i40e_hw *hw, bool on,
4613                              u16 led_addr, u32 mode)
4614 {
4615         i40e_status status = 0;
4616         u16 led_ctl = 0;
4617         u16 led_reg = 0;
4618         u8 phy_addr = 0;
4619         u8 port_num;
4620         u32 i;
4621
4622         i = rd32(hw, I40E_PFGEN_PORTNUM);
4623         port_num = (u8)(i & I40E_PFGEN_PORTNUM_PORT_NUM_MASK);
4624         phy_addr = i40e_get_phy_address(hw, port_num);
4625
4626         status = i40e_read_phy_register(hw, I40E_PHY_COM_REG_PAGE, led_addr,
4627                                         phy_addr, &led_reg);
4628         if (status)
4629                 return status;
4630         led_ctl = led_reg;
4631         if (led_reg & I40E_PHY_LED_LINK_MODE_MASK) {
4632                 led_reg = 0;
4633                 status = i40e_write_phy_register(hw, I40E_PHY_COM_REG_PAGE,
4634                                                  led_addr, phy_addr, led_reg);
4635                 if (status)
4636                         return status;
4637         }
4638         status = i40e_read_phy_register(hw, I40E_PHY_COM_REG_PAGE,
4639                                         led_addr, phy_addr, &led_reg);
4640         if (status)
4641                 goto restore_config;
4642         if (on)
4643                 led_reg = I40E_PHY_LED_MANUAL_ON;
4644         else
4645                 led_reg = 0;
4646         status = i40e_write_phy_register(hw, I40E_PHY_COM_REG_PAGE,
4647                                          led_addr, phy_addr, led_reg);
4648         if (status)
4649                 goto restore_config;
4650         if (mode & I40E_PHY_LED_MODE_ORIG) {
4651                 led_ctl = (mode & I40E_PHY_LED_MODE_MASK);
4652                 status = i40e_write_phy_register(hw,
4653                                                  I40E_PHY_COM_REG_PAGE,
4654                                                  led_addr, phy_addr, led_ctl);
4655         }
4656         return status;
4657 restore_config:
4658         status = i40e_write_phy_register(hw, I40E_PHY_COM_REG_PAGE, led_addr,
4659                                          phy_addr, led_ctl);
4660         return status;
4661 }
4662
4663 /**
4664  * i40e_aq_rx_ctl_read_register - use FW to read from an Rx control register
4665  * @hw: pointer to the hw struct
4666  * @reg_addr: register address
4667  * @reg_val: ptr to register value
4668  * @cmd_details: pointer to command details structure or NULL
4669  *
4670  * Use the firmware to read the Rx control register,
4671  * especially useful if the Rx unit is under heavy pressure
4672  **/
4673 i40e_status i40e_aq_rx_ctl_read_register(struct i40e_hw *hw,
4674                                 u32 reg_addr, u32 *reg_val,
4675                                 struct i40e_asq_cmd_details *cmd_details)
4676 {
4677         struct i40e_aq_desc desc;
4678         struct i40e_aqc_rx_ctl_reg_read_write *cmd_resp =
4679                 (struct i40e_aqc_rx_ctl_reg_read_write *)&desc.params.raw;
4680         i40e_status status;
4681
4682         if (!reg_val)
4683                 return I40E_ERR_PARAM;
4684
4685         i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_rx_ctl_reg_read);
4686
4687         cmd_resp->address = cpu_to_le32(reg_addr);
4688
4689         status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
4690
4691         if (status == 0)
4692                 *reg_val = le32_to_cpu(cmd_resp->value);
4693
4694         return status;
4695 }
4696
4697 /**
4698  * i40e_read_rx_ctl - read from an Rx control register
4699  * @hw: pointer to the hw struct
4700  * @reg_addr: register address
4701  **/
4702 u32 i40e_read_rx_ctl(struct i40e_hw *hw, u32 reg_addr)
4703 {
4704         i40e_status status = 0;
4705         bool use_register;
4706         int retry = 5;
4707         u32 val = 0;
4708
4709         use_register = (hw->aq.api_maj_ver == 1) && (hw->aq.api_min_ver < 5);
4710         if (!use_register) {
4711 do_retry:
4712                 status = i40e_aq_rx_ctl_read_register(hw, reg_addr, &val, NULL);
4713                 if (hw->aq.asq_last_status == I40E_AQ_RC_EAGAIN && retry) {
4714                         usleep_range(1000, 2000);
4715                         retry--;
4716                         goto do_retry;
4717                 }
4718         }
4719
4720         /* if the AQ access failed, try the old-fashioned way */
4721         if (status || use_register)
4722                 val = rd32(hw, reg_addr);
4723
4724         return val;
4725 }
4726
4727 /**
4728  * i40e_aq_rx_ctl_write_register
4729  * @hw: pointer to the hw struct
4730  * @reg_addr: register address
4731  * @reg_val: register value
4732  * @cmd_details: pointer to command details structure or NULL
4733  *
4734  * Use the firmware to write to an Rx control register,
4735  * especially useful if the Rx unit is under heavy pressure
4736  **/
4737 i40e_status i40e_aq_rx_ctl_write_register(struct i40e_hw *hw,
4738                                 u32 reg_addr, u32 reg_val,
4739                                 struct i40e_asq_cmd_details *cmd_details)
4740 {
4741         struct i40e_aq_desc desc;
4742         struct i40e_aqc_rx_ctl_reg_read_write *cmd =
4743                 (struct i40e_aqc_rx_ctl_reg_read_write *)&desc.params.raw;
4744         i40e_status status;
4745
4746         i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_rx_ctl_reg_write);
4747
4748         cmd->address = cpu_to_le32(reg_addr);
4749         cmd->value = cpu_to_le32(reg_val);
4750
4751         status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
4752
4753         return status;
4754 }
4755
4756 /**
4757  * i40e_write_rx_ctl - write to an Rx control register
4758  * @hw: pointer to the hw struct
4759  * @reg_addr: register address
4760  * @reg_val: register value
4761  **/
4762 void i40e_write_rx_ctl(struct i40e_hw *hw, u32 reg_addr, u32 reg_val)
4763 {
4764         i40e_status status = 0;
4765         bool use_register;
4766         int retry = 5;
4767
4768         use_register = (hw->aq.api_maj_ver == 1) && (hw->aq.api_min_ver < 5);
4769         if (!use_register) {
4770 do_retry:
4771                 status = i40e_aq_rx_ctl_write_register(hw, reg_addr,
4772                                                        reg_val, NULL);
4773                 if (hw->aq.asq_last_status == I40E_AQ_RC_EAGAIN && retry) {
4774                         usleep_range(1000, 2000);
4775                         retry--;
4776                         goto do_retry;
4777                 }
4778         }
4779
4780         /* if the AQ access failed, try the old-fashioned way */
4781         if (status || use_register)
4782                 wr32(hw, reg_addr, reg_val);
4783 }