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1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2013 - 2018 Intel Corporation. */
3 
4 #include "i40e_type.h"
5 #include "i40e_adminq.h"
6 #include "i40e_prototype.h"
7 #include <linux/avf/virtchnl.h>
8 
9 /**
10  * i40e_set_mac_type - Sets MAC type
11  * @hw: pointer to the HW structure
12  *
13  * This function sets the mac type of the adapter based on the
14  * vendor ID and device ID stored in the hw structure.
15  **/
i40e_set_mac_type(struct i40e_hw * hw)16 static i40e_status i40e_set_mac_type(struct i40e_hw *hw)
17 {
18 	i40e_status status = 0;
19 
20 	if (hw->vendor_id == PCI_VENDOR_ID_INTEL) {
21 		switch (hw->device_id) {
22 		case I40E_DEV_ID_SFP_XL710:
23 		case I40E_DEV_ID_QEMU:
24 		case I40E_DEV_ID_KX_B:
25 		case I40E_DEV_ID_KX_C:
26 		case I40E_DEV_ID_QSFP_A:
27 		case I40E_DEV_ID_QSFP_B:
28 		case I40E_DEV_ID_QSFP_C:
29 		case I40E_DEV_ID_10G_BASE_T:
30 		case I40E_DEV_ID_10G_BASE_T4:
31 		case I40E_DEV_ID_20G_KR2:
32 		case I40E_DEV_ID_20G_KR2_A:
33 		case I40E_DEV_ID_25G_B:
34 		case I40E_DEV_ID_25G_SFP28:
35 			hw->mac.type = I40E_MAC_XL710;
36 			break;
37 		case I40E_DEV_ID_KX_X722:
38 		case I40E_DEV_ID_QSFP_X722:
39 		case I40E_DEV_ID_SFP_X722:
40 		case I40E_DEV_ID_1G_BASE_T_X722:
41 		case I40E_DEV_ID_10G_BASE_T_X722:
42 		case I40E_DEV_ID_SFP_I_X722:
43 			hw->mac.type = I40E_MAC_X722;
44 			break;
45 		default:
46 			hw->mac.type = I40E_MAC_GENERIC;
47 			break;
48 		}
49 	} else {
50 		status = I40E_ERR_DEVICE_NOT_SUPPORTED;
51 	}
52 
53 	hw_dbg(hw, "i40e_set_mac_type found mac: %d, returns: %d\n",
54 		  hw->mac.type, status);
55 	return status;
56 }
57 
58 /**
59  * i40e_aq_str - convert AQ err code to a string
60  * @hw: pointer to the HW structure
61  * @aq_err: the AQ error code to convert
62  **/
i40e_aq_str(struct i40e_hw * hw,enum i40e_admin_queue_err aq_err)63 const char *i40e_aq_str(struct i40e_hw *hw, enum i40e_admin_queue_err aq_err)
64 {
65 	switch (aq_err) {
66 	case I40E_AQ_RC_OK:
67 		return "OK";
68 	case I40E_AQ_RC_EPERM:
69 		return "I40E_AQ_RC_EPERM";
70 	case I40E_AQ_RC_ENOENT:
71 		return "I40E_AQ_RC_ENOENT";
72 	case I40E_AQ_RC_ESRCH:
73 		return "I40E_AQ_RC_ESRCH";
74 	case I40E_AQ_RC_EINTR:
75 		return "I40E_AQ_RC_EINTR";
76 	case I40E_AQ_RC_EIO:
77 		return "I40E_AQ_RC_EIO";
78 	case I40E_AQ_RC_ENXIO:
79 		return "I40E_AQ_RC_ENXIO";
80 	case I40E_AQ_RC_E2BIG:
81 		return "I40E_AQ_RC_E2BIG";
82 	case I40E_AQ_RC_EAGAIN:
83 		return "I40E_AQ_RC_EAGAIN";
84 	case I40E_AQ_RC_ENOMEM:
85 		return "I40E_AQ_RC_ENOMEM";
86 	case I40E_AQ_RC_EACCES:
87 		return "I40E_AQ_RC_EACCES";
88 	case I40E_AQ_RC_EFAULT:
89 		return "I40E_AQ_RC_EFAULT";
90 	case I40E_AQ_RC_EBUSY:
91 		return "I40E_AQ_RC_EBUSY";
92 	case I40E_AQ_RC_EEXIST:
93 		return "I40E_AQ_RC_EEXIST";
94 	case I40E_AQ_RC_EINVAL:
95 		return "I40E_AQ_RC_EINVAL";
96 	case I40E_AQ_RC_ENOTTY:
97 		return "I40E_AQ_RC_ENOTTY";
98 	case I40E_AQ_RC_ENOSPC:
99 		return "I40E_AQ_RC_ENOSPC";
100 	case I40E_AQ_RC_ENOSYS:
101 		return "I40E_AQ_RC_ENOSYS";
102 	case I40E_AQ_RC_ERANGE:
103 		return "I40E_AQ_RC_ERANGE";
104 	case I40E_AQ_RC_EFLUSHED:
105 		return "I40E_AQ_RC_EFLUSHED";
106 	case I40E_AQ_RC_BAD_ADDR:
107 		return "I40E_AQ_RC_BAD_ADDR";
108 	case I40E_AQ_RC_EMODE:
109 		return "I40E_AQ_RC_EMODE";
110 	case I40E_AQ_RC_EFBIG:
111 		return "I40E_AQ_RC_EFBIG";
112 	}
113 
114 	snprintf(hw->err_str, sizeof(hw->err_str), "%d", aq_err);
115 	return hw->err_str;
116 }
117 
118 /**
119  * i40e_stat_str - convert status err code to a string
120  * @hw: pointer to the HW structure
121  * @stat_err: the status error code to convert
122  **/
i40e_stat_str(struct i40e_hw * hw,i40e_status stat_err)123 const char *i40e_stat_str(struct i40e_hw *hw, i40e_status stat_err)
124 {
125 	switch (stat_err) {
126 	case 0:
127 		return "OK";
128 	case I40E_ERR_NVM:
129 		return "I40E_ERR_NVM";
130 	case I40E_ERR_NVM_CHECKSUM:
131 		return "I40E_ERR_NVM_CHECKSUM";
132 	case I40E_ERR_PHY:
133 		return "I40E_ERR_PHY";
134 	case I40E_ERR_CONFIG:
135 		return "I40E_ERR_CONFIG";
136 	case I40E_ERR_PARAM:
137 		return "I40E_ERR_PARAM";
138 	case I40E_ERR_MAC_TYPE:
139 		return "I40E_ERR_MAC_TYPE";
140 	case I40E_ERR_UNKNOWN_PHY:
141 		return "I40E_ERR_UNKNOWN_PHY";
142 	case I40E_ERR_LINK_SETUP:
143 		return "I40E_ERR_LINK_SETUP";
144 	case I40E_ERR_ADAPTER_STOPPED:
145 		return "I40E_ERR_ADAPTER_STOPPED";
146 	case I40E_ERR_INVALID_MAC_ADDR:
147 		return "I40E_ERR_INVALID_MAC_ADDR";
148 	case I40E_ERR_DEVICE_NOT_SUPPORTED:
149 		return "I40E_ERR_DEVICE_NOT_SUPPORTED";
150 	case I40E_ERR_MASTER_REQUESTS_PENDING:
151 		return "I40E_ERR_MASTER_REQUESTS_PENDING";
152 	case I40E_ERR_INVALID_LINK_SETTINGS:
153 		return "I40E_ERR_INVALID_LINK_SETTINGS";
154 	case I40E_ERR_AUTONEG_NOT_COMPLETE:
155 		return "I40E_ERR_AUTONEG_NOT_COMPLETE";
156 	case I40E_ERR_RESET_FAILED:
157 		return "I40E_ERR_RESET_FAILED";
158 	case I40E_ERR_SWFW_SYNC:
159 		return "I40E_ERR_SWFW_SYNC";
160 	case I40E_ERR_NO_AVAILABLE_VSI:
161 		return "I40E_ERR_NO_AVAILABLE_VSI";
162 	case I40E_ERR_NO_MEMORY:
163 		return "I40E_ERR_NO_MEMORY";
164 	case I40E_ERR_BAD_PTR:
165 		return "I40E_ERR_BAD_PTR";
166 	case I40E_ERR_RING_FULL:
167 		return "I40E_ERR_RING_FULL";
168 	case I40E_ERR_INVALID_PD_ID:
169 		return "I40E_ERR_INVALID_PD_ID";
170 	case I40E_ERR_INVALID_QP_ID:
171 		return "I40E_ERR_INVALID_QP_ID";
172 	case I40E_ERR_INVALID_CQ_ID:
173 		return "I40E_ERR_INVALID_CQ_ID";
174 	case I40E_ERR_INVALID_CEQ_ID:
175 		return "I40E_ERR_INVALID_CEQ_ID";
176 	case I40E_ERR_INVALID_AEQ_ID:
177 		return "I40E_ERR_INVALID_AEQ_ID";
178 	case I40E_ERR_INVALID_SIZE:
179 		return "I40E_ERR_INVALID_SIZE";
180 	case I40E_ERR_INVALID_ARP_INDEX:
181 		return "I40E_ERR_INVALID_ARP_INDEX";
182 	case I40E_ERR_INVALID_FPM_FUNC_ID:
183 		return "I40E_ERR_INVALID_FPM_FUNC_ID";
184 	case I40E_ERR_QP_INVALID_MSG_SIZE:
185 		return "I40E_ERR_QP_INVALID_MSG_SIZE";
186 	case I40E_ERR_QP_TOOMANY_WRS_POSTED:
187 		return "I40E_ERR_QP_TOOMANY_WRS_POSTED";
188 	case I40E_ERR_INVALID_FRAG_COUNT:
189 		return "I40E_ERR_INVALID_FRAG_COUNT";
190 	case I40E_ERR_QUEUE_EMPTY:
191 		return "I40E_ERR_QUEUE_EMPTY";
192 	case I40E_ERR_INVALID_ALIGNMENT:
193 		return "I40E_ERR_INVALID_ALIGNMENT";
194 	case I40E_ERR_FLUSHED_QUEUE:
195 		return "I40E_ERR_FLUSHED_QUEUE";
196 	case I40E_ERR_INVALID_PUSH_PAGE_INDEX:
197 		return "I40E_ERR_INVALID_PUSH_PAGE_INDEX";
198 	case I40E_ERR_INVALID_IMM_DATA_SIZE:
199 		return "I40E_ERR_INVALID_IMM_DATA_SIZE";
200 	case I40E_ERR_TIMEOUT:
201 		return "I40E_ERR_TIMEOUT";
202 	case I40E_ERR_OPCODE_MISMATCH:
203 		return "I40E_ERR_OPCODE_MISMATCH";
204 	case I40E_ERR_CQP_COMPL_ERROR:
205 		return "I40E_ERR_CQP_COMPL_ERROR";
206 	case I40E_ERR_INVALID_VF_ID:
207 		return "I40E_ERR_INVALID_VF_ID";
208 	case I40E_ERR_INVALID_HMCFN_ID:
209 		return "I40E_ERR_INVALID_HMCFN_ID";
210 	case I40E_ERR_BACKING_PAGE_ERROR:
211 		return "I40E_ERR_BACKING_PAGE_ERROR";
212 	case I40E_ERR_NO_PBLCHUNKS_AVAILABLE:
213 		return "I40E_ERR_NO_PBLCHUNKS_AVAILABLE";
214 	case I40E_ERR_INVALID_PBLE_INDEX:
215 		return "I40E_ERR_INVALID_PBLE_INDEX";
216 	case I40E_ERR_INVALID_SD_INDEX:
217 		return "I40E_ERR_INVALID_SD_INDEX";
218 	case I40E_ERR_INVALID_PAGE_DESC_INDEX:
219 		return "I40E_ERR_INVALID_PAGE_DESC_INDEX";
220 	case I40E_ERR_INVALID_SD_TYPE:
221 		return "I40E_ERR_INVALID_SD_TYPE";
222 	case I40E_ERR_MEMCPY_FAILED:
223 		return "I40E_ERR_MEMCPY_FAILED";
224 	case I40E_ERR_INVALID_HMC_OBJ_INDEX:
225 		return "I40E_ERR_INVALID_HMC_OBJ_INDEX";
226 	case I40E_ERR_INVALID_HMC_OBJ_COUNT:
227 		return "I40E_ERR_INVALID_HMC_OBJ_COUNT";
228 	case I40E_ERR_INVALID_SRQ_ARM_LIMIT:
229 		return "I40E_ERR_INVALID_SRQ_ARM_LIMIT";
230 	case I40E_ERR_SRQ_ENABLED:
231 		return "I40E_ERR_SRQ_ENABLED";
232 	case I40E_ERR_ADMIN_QUEUE_ERROR:
233 		return "I40E_ERR_ADMIN_QUEUE_ERROR";
234 	case I40E_ERR_ADMIN_QUEUE_TIMEOUT:
235 		return "I40E_ERR_ADMIN_QUEUE_TIMEOUT";
236 	case I40E_ERR_BUF_TOO_SHORT:
237 		return "I40E_ERR_BUF_TOO_SHORT";
238 	case I40E_ERR_ADMIN_QUEUE_FULL:
239 		return "I40E_ERR_ADMIN_QUEUE_FULL";
240 	case I40E_ERR_ADMIN_QUEUE_NO_WORK:
241 		return "I40E_ERR_ADMIN_QUEUE_NO_WORK";
242 	case I40E_ERR_BAD_IWARP_CQE:
243 		return "I40E_ERR_BAD_IWARP_CQE";
244 	case I40E_ERR_NVM_BLANK_MODE:
245 		return "I40E_ERR_NVM_BLANK_MODE";
246 	case I40E_ERR_NOT_IMPLEMENTED:
247 		return "I40E_ERR_NOT_IMPLEMENTED";
248 	case I40E_ERR_PE_DOORBELL_NOT_ENABLED:
249 		return "I40E_ERR_PE_DOORBELL_NOT_ENABLED";
250 	case I40E_ERR_DIAG_TEST_FAILED:
251 		return "I40E_ERR_DIAG_TEST_FAILED";
252 	case I40E_ERR_NOT_READY:
253 		return "I40E_ERR_NOT_READY";
254 	case I40E_NOT_SUPPORTED:
255 		return "I40E_NOT_SUPPORTED";
256 	case I40E_ERR_FIRMWARE_API_VERSION:
257 		return "I40E_ERR_FIRMWARE_API_VERSION";
258 	case I40E_ERR_ADMIN_QUEUE_CRITICAL_ERROR:
259 		return "I40E_ERR_ADMIN_QUEUE_CRITICAL_ERROR";
260 	}
261 
262 	snprintf(hw->err_str, sizeof(hw->err_str), "%d", stat_err);
263 	return hw->err_str;
264 }
265 
266 /**
267  * i40e_debug_aq
268  * @hw: debug mask related to admin queue
269  * @mask: debug mask
270  * @desc: pointer to admin queue descriptor
271  * @buffer: pointer to command buffer
272  * @buf_len: max length of buffer
273  *
274  * Dumps debug log about adminq command with descriptor contents.
275  **/
i40e_debug_aq(struct i40e_hw * hw,enum i40e_debug_mask mask,void * desc,void * buffer,u16 buf_len)276 void i40e_debug_aq(struct i40e_hw *hw, enum i40e_debug_mask mask, void *desc,
277 		   void *buffer, u16 buf_len)
278 {
279 	struct i40e_aq_desc *aq_desc = (struct i40e_aq_desc *)desc;
280 	u16 len;
281 	u8 *buf = (u8 *)buffer;
282 
283 	if ((!(mask & hw->debug_mask)) || (desc == NULL))
284 		return;
285 
286 	len = le16_to_cpu(aq_desc->datalen);
287 
288 	i40e_debug(hw, mask,
289 		   "AQ CMD: opcode 0x%04X, flags 0x%04X, datalen 0x%04X, retval 0x%04X\n",
290 		   le16_to_cpu(aq_desc->opcode),
291 		   le16_to_cpu(aq_desc->flags),
292 		   le16_to_cpu(aq_desc->datalen),
293 		   le16_to_cpu(aq_desc->retval));
294 	i40e_debug(hw, mask, "\tcookie (h,l) 0x%08X 0x%08X\n",
295 		   le32_to_cpu(aq_desc->cookie_high),
296 		   le32_to_cpu(aq_desc->cookie_low));
297 	i40e_debug(hw, mask, "\tparam (0,1)  0x%08X 0x%08X\n",
298 		   le32_to_cpu(aq_desc->params.internal.param0),
299 		   le32_to_cpu(aq_desc->params.internal.param1));
300 	i40e_debug(hw, mask, "\taddr (h,l)   0x%08X 0x%08X\n",
301 		   le32_to_cpu(aq_desc->params.external.addr_high),
302 		   le32_to_cpu(aq_desc->params.external.addr_low));
303 
304 	if ((buffer != NULL) && (aq_desc->datalen != 0)) {
305 		i40e_debug(hw, mask, "AQ CMD Buffer:\n");
306 		if (buf_len < len)
307 			len = buf_len;
308 		/* write the full 16-byte chunks */
309 		if (hw->debug_mask & mask) {
310 			char prefix[27];
311 
312 			snprintf(prefix, sizeof(prefix),
313 				 "i40e %02x:%02x.%x: \t0x",
314 				 hw->bus.bus_id,
315 				 hw->bus.device,
316 				 hw->bus.func);
317 
318 			print_hex_dump(KERN_INFO, prefix, DUMP_PREFIX_OFFSET,
319 				       16, 1, buf, len, false);
320 		}
321 	}
322 }
323 
324 /**
325  * i40e_check_asq_alive
326  * @hw: pointer to the hw struct
327  *
328  * Returns true if Queue is enabled else false.
329  **/
i40e_check_asq_alive(struct i40e_hw * hw)330 bool i40e_check_asq_alive(struct i40e_hw *hw)
331 {
332 	if (hw->aq.asq.len)
333 		return !!(rd32(hw, hw->aq.asq.len) &
334 			  I40E_PF_ATQLEN_ATQENABLE_MASK);
335 	else
336 		return false;
337 }
338 
339 /**
340  * i40e_aq_queue_shutdown
341  * @hw: pointer to the hw struct
342  * @unloading: is the driver unloading itself
343  *
344  * Tell the Firmware that we're shutting down the AdminQ and whether
345  * or not the driver is unloading as well.
346  **/
i40e_aq_queue_shutdown(struct i40e_hw * hw,bool unloading)347 i40e_status i40e_aq_queue_shutdown(struct i40e_hw *hw,
348 					     bool unloading)
349 {
350 	struct i40e_aq_desc desc;
351 	struct i40e_aqc_queue_shutdown *cmd =
352 		(struct i40e_aqc_queue_shutdown *)&desc.params.raw;
353 	i40e_status status;
354 
355 	i40e_fill_default_direct_cmd_desc(&desc,
356 					  i40e_aqc_opc_queue_shutdown);
357 
358 	if (unloading)
359 		cmd->driver_unloading = cpu_to_le32(I40E_AQ_DRIVER_UNLOADING);
360 	status = i40e_asq_send_command(hw, &desc, NULL, 0, NULL);
361 
362 	return status;
363 }
364 
365 /**
366  * i40e_aq_get_set_rss_lut
367  * @hw: pointer to the hardware structure
368  * @vsi_id: vsi fw index
369  * @pf_lut: for PF table set true, for VSI table set false
370  * @lut: pointer to the lut buffer provided by the caller
371  * @lut_size: size of the lut buffer
372  * @set: set true to set the table, false to get the table
373  *
374  * Internal function to get or set RSS look up table
375  **/
i40e_aq_get_set_rss_lut(struct i40e_hw * hw,u16 vsi_id,bool pf_lut,u8 * lut,u16 lut_size,bool set)376 static i40e_status i40e_aq_get_set_rss_lut(struct i40e_hw *hw,
377 					   u16 vsi_id, bool pf_lut,
378 					   u8 *lut, u16 lut_size,
379 					   bool set)
380 {
381 	i40e_status status;
382 	struct i40e_aq_desc desc;
383 	struct i40e_aqc_get_set_rss_lut *cmd_resp =
384 		   (struct i40e_aqc_get_set_rss_lut *)&desc.params.raw;
385 
386 	if (set)
387 		i40e_fill_default_direct_cmd_desc(&desc,
388 						  i40e_aqc_opc_set_rss_lut);
389 	else
390 		i40e_fill_default_direct_cmd_desc(&desc,
391 						  i40e_aqc_opc_get_rss_lut);
392 
393 	/* Indirect command */
394 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
395 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_RD);
396 
397 	cmd_resp->vsi_id =
398 			cpu_to_le16((u16)((vsi_id <<
399 					  I40E_AQC_SET_RSS_LUT_VSI_ID_SHIFT) &
400 					  I40E_AQC_SET_RSS_LUT_VSI_ID_MASK));
401 	cmd_resp->vsi_id |= cpu_to_le16((u16)I40E_AQC_SET_RSS_LUT_VSI_VALID);
402 
403 	if (pf_lut)
404 		cmd_resp->flags |= cpu_to_le16((u16)
405 					((I40E_AQC_SET_RSS_LUT_TABLE_TYPE_PF <<
406 					I40E_AQC_SET_RSS_LUT_TABLE_TYPE_SHIFT) &
407 					I40E_AQC_SET_RSS_LUT_TABLE_TYPE_MASK));
408 	else
409 		cmd_resp->flags |= cpu_to_le16((u16)
410 					((I40E_AQC_SET_RSS_LUT_TABLE_TYPE_VSI <<
411 					I40E_AQC_SET_RSS_LUT_TABLE_TYPE_SHIFT) &
412 					I40E_AQC_SET_RSS_LUT_TABLE_TYPE_MASK));
413 
414 	status = i40e_asq_send_command(hw, &desc, lut, lut_size, NULL);
415 
416 	return status;
417 }
418 
419 /**
420  * i40e_aq_get_rss_lut
421  * @hw: pointer to the hardware structure
422  * @vsi_id: vsi fw index
423  * @pf_lut: for PF table set true, for VSI table set false
424  * @lut: pointer to the lut buffer provided by the caller
425  * @lut_size: size of the lut buffer
426  *
427  * get the RSS lookup table, PF or VSI type
428  **/
i40e_aq_get_rss_lut(struct i40e_hw * hw,u16 vsi_id,bool pf_lut,u8 * lut,u16 lut_size)429 i40e_status i40e_aq_get_rss_lut(struct i40e_hw *hw, u16 vsi_id,
430 				bool pf_lut, u8 *lut, u16 lut_size)
431 {
432 	return i40e_aq_get_set_rss_lut(hw, vsi_id, pf_lut, lut, lut_size,
433 				       false);
434 }
435 
436 /**
437  * i40e_aq_set_rss_lut
438  * @hw: pointer to the hardware structure
439  * @vsi_id: vsi fw index
440  * @pf_lut: for PF table set true, for VSI table set false
441  * @lut: pointer to the lut buffer provided by the caller
442  * @lut_size: size of the lut buffer
443  *
444  * set the RSS lookup table, PF or VSI type
445  **/
i40e_aq_set_rss_lut(struct i40e_hw * hw,u16 vsi_id,bool pf_lut,u8 * lut,u16 lut_size)446 i40e_status i40e_aq_set_rss_lut(struct i40e_hw *hw, u16 vsi_id,
447 				bool pf_lut, u8 *lut, u16 lut_size)
448 {
449 	return i40e_aq_get_set_rss_lut(hw, vsi_id, pf_lut, lut, lut_size, true);
450 }
451 
452 /**
453  * i40e_aq_get_set_rss_key
454  * @hw: pointer to the hw struct
455  * @vsi_id: vsi fw index
456  * @key: pointer to key info struct
457  * @set: set true to set the key, false to get the key
458  *
459  * get the RSS key per VSI
460  **/
i40e_aq_get_set_rss_key(struct i40e_hw * hw,u16 vsi_id,struct i40e_aqc_get_set_rss_key_data * key,bool set)461 static i40e_status i40e_aq_get_set_rss_key(struct i40e_hw *hw,
462 				      u16 vsi_id,
463 				      struct i40e_aqc_get_set_rss_key_data *key,
464 				      bool set)
465 {
466 	i40e_status status;
467 	struct i40e_aq_desc desc;
468 	struct i40e_aqc_get_set_rss_key *cmd_resp =
469 			(struct i40e_aqc_get_set_rss_key *)&desc.params.raw;
470 	u16 key_size = sizeof(struct i40e_aqc_get_set_rss_key_data);
471 
472 	if (set)
473 		i40e_fill_default_direct_cmd_desc(&desc,
474 						  i40e_aqc_opc_set_rss_key);
475 	else
476 		i40e_fill_default_direct_cmd_desc(&desc,
477 						  i40e_aqc_opc_get_rss_key);
478 
479 	/* Indirect command */
480 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
481 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_RD);
482 
483 	cmd_resp->vsi_id =
484 			cpu_to_le16((u16)((vsi_id <<
485 					  I40E_AQC_SET_RSS_KEY_VSI_ID_SHIFT) &
486 					  I40E_AQC_SET_RSS_KEY_VSI_ID_MASK));
487 	cmd_resp->vsi_id |= cpu_to_le16((u16)I40E_AQC_SET_RSS_KEY_VSI_VALID);
488 
489 	status = i40e_asq_send_command(hw, &desc, key, key_size, NULL);
490 
491 	return status;
492 }
493 
494 /**
495  * i40e_aq_get_rss_key
496  * @hw: pointer to the hw struct
497  * @vsi_id: vsi fw index
498  * @key: pointer to key info struct
499  *
500  **/
i40e_aq_get_rss_key(struct i40e_hw * hw,u16 vsi_id,struct i40e_aqc_get_set_rss_key_data * key)501 i40e_status i40e_aq_get_rss_key(struct i40e_hw *hw,
502 				u16 vsi_id,
503 				struct i40e_aqc_get_set_rss_key_data *key)
504 {
505 	return i40e_aq_get_set_rss_key(hw, vsi_id, key, false);
506 }
507 
508 /**
509  * i40e_aq_set_rss_key
510  * @hw: pointer to the hw struct
511  * @vsi_id: vsi fw index
512  * @key: pointer to key info struct
513  *
514  * set the RSS key per VSI
515  **/
i40e_aq_set_rss_key(struct i40e_hw * hw,u16 vsi_id,struct i40e_aqc_get_set_rss_key_data * key)516 i40e_status i40e_aq_set_rss_key(struct i40e_hw *hw,
517 				u16 vsi_id,
518 				struct i40e_aqc_get_set_rss_key_data *key)
519 {
520 	return i40e_aq_get_set_rss_key(hw, vsi_id, key, true);
521 }
522 
523 /* The i40e_ptype_lookup table is used to convert from the 8-bit ptype in the
524  * hardware to a bit-field that can be used by SW to more easily determine the
525  * packet type.
526  *
527  * Macros are used to shorten the table lines and make this table human
528  * readable.
529  *
530  * We store the PTYPE in the top byte of the bit field - this is just so that
531  * we can check that the table doesn't have a row missing, as the index into
532  * the table should be the PTYPE.
533  *
534  * Typical work flow:
535  *
536  * IF NOT i40e_ptype_lookup[ptype].known
537  * THEN
538  *      Packet is unknown
539  * ELSE IF i40e_ptype_lookup[ptype].outer_ip == I40E_RX_PTYPE_OUTER_IP
540  *      Use the rest of the fields to look at the tunnels, inner protocols, etc
541  * ELSE
542  *      Use the enum i40e_rx_l2_ptype to decode the packet type
543  * ENDIF
544  */
545 
546 /* macro to make the table lines short */
547 #define I40E_PTT(PTYPE, OUTER_IP, OUTER_IP_VER, OUTER_FRAG, T, TE, TEF, I, PL)\
548 	{	PTYPE, \
549 		1, \
550 		I40E_RX_PTYPE_OUTER_##OUTER_IP, \
551 		I40E_RX_PTYPE_OUTER_##OUTER_IP_VER, \
552 		I40E_RX_PTYPE_##OUTER_FRAG, \
553 		I40E_RX_PTYPE_TUNNEL_##T, \
554 		I40E_RX_PTYPE_TUNNEL_END_##TE, \
555 		I40E_RX_PTYPE_##TEF, \
556 		I40E_RX_PTYPE_INNER_PROT_##I, \
557 		I40E_RX_PTYPE_PAYLOAD_LAYER_##PL }
558 
559 #define I40E_PTT_UNUSED_ENTRY(PTYPE) \
560 		{ PTYPE, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
561 
562 /* shorter macros makes the table fit but are terse */
563 #define I40E_RX_PTYPE_NOF		I40E_RX_PTYPE_NOT_FRAG
564 #define I40E_RX_PTYPE_FRG		I40E_RX_PTYPE_FRAG
565 #define I40E_RX_PTYPE_INNER_PROT_TS	I40E_RX_PTYPE_INNER_PROT_TIMESYNC
566 
567 /* Lookup table mapping the HW PTYPE to the bit field for decoding */
568 struct i40e_rx_ptype_decoded i40e_ptype_lookup[] = {
569 	/* L2 Packet types */
570 	I40E_PTT_UNUSED_ENTRY(0),
571 	I40E_PTT(1,  L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2),
572 	I40E_PTT(2,  L2, NONE, NOF, NONE, NONE, NOF, TS,   PAY2),
573 	I40E_PTT(3,  L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2),
574 	I40E_PTT_UNUSED_ENTRY(4),
575 	I40E_PTT_UNUSED_ENTRY(5),
576 	I40E_PTT(6,  L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2),
577 	I40E_PTT(7,  L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2),
578 	I40E_PTT_UNUSED_ENTRY(8),
579 	I40E_PTT_UNUSED_ENTRY(9),
580 	I40E_PTT(10, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2),
581 	I40E_PTT(11, L2, NONE, NOF, NONE, NONE, NOF, NONE, NONE),
582 	I40E_PTT(12, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
583 	I40E_PTT(13, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
584 	I40E_PTT(14, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
585 	I40E_PTT(15, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
586 	I40E_PTT(16, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
587 	I40E_PTT(17, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
588 	I40E_PTT(18, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
589 	I40E_PTT(19, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
590 	I40E_PTT(20, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
591 	I40E_PTT(21, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
592 
593 	/* Non Tunneled IPv4 */
594 	I40E_PTT(22, IP, IPV4, FRG, NONE, NONE, NOF, NONE, PAY3),
595 	I40E_PTT(23, IP, IPV4, NOF, NONE, NONE, NOF, NONE, PAY3),
596 	I40E_PTT(24, IP, IPV4, NOF, NONE, NONE, NOF, UDP,  PAY4),
597 	I40E_PTT_UNUSED_ENTRY(25),
598 	I40E_PTT(26, IP, IPV4, NOF, NONE, NONE, NOF, TCP,  PAY4),
599 	I40E_PTT(27, IP, IPV4, NOF, NONE, NONE, NOF, SCTP, PAY4),
600 	I40E_PTT(28, IP, IPV4, NOF, NONE, NONE, NOF, ICMP, PAY4),
601 
602 	/* IPv4 --> IPv4 */
603 	I40E_PTT(29, IP, IPV4, NOF, IP_IP, IPV4, FRG, NONE, PAY3),
604 	I40E_PTT(30, IP, IPV4, NOF, IP_IP, IPV4, NOF, NONE, PAY3),
605 	I40E_PTT(31, IP, IPV4, NOF, IP_IP, IPV4, NOF, UDP,  PAY4),
606 	I40E_PTT_UNUSED_ENTRY(32),
607 	I40E_PTT(33, IP, IPV4, NOF, IP_IP, IPV4, NOF, TCP,  PAY4),
608 	I40E_PTT(34, IP, IPV4, NOF, IP_IP, IPV4, NOF, SCTP, PAY4),
609 	I40E_PTT(35, IP, IPV4, NOF, IP_IP, IPV4, NOF, ICMP, PAY4),
610 
611 	/* IPv4 --> IPv6 */
612 	I40E_PTT(36, IP, IPV4, NOF, IP_IP, IPV6, FRG, NONE, PAY3),
613 	I40E_PTT(37, IP, IPV4, NOF, IP_IP, IPV6, NOF, NONE, PAY3),
614 	I40E_PTT(38, IP, IPV4, NOF, IP_IP, IPV6, NOF, UDP,  PAY4),
615 	I40E_PTT_UNUSED_ENTRY(39),
616 	I40E_PTT(40, IP, IPV4, NOF, IP_IP, IPV6, NOF, TCP,  PAY4),
617 	I40E_PTT(41, IP, IPV4, NOF, IP_IP, IPV6, NOF, SCTP, PAY4),
618 	I40E_PTT(42, IP, IPV4, NOF, IP_IP, IPV6, NOF, ICMP, PAY4),
619 
620 	/* IPv4 --> GRE/NAT */
621 	I40E_PTT(43, IP, IPV4, NOF, IP_GRENAT, NONE, NOF, NONE, PAY3),
622 
623 	/* IPv4 --> GRE/NAT --> IPv4 */
624 	I40E_PTT(44, IP, IPV4, NOF, IP_GRENAT, IPV4, FRG, NONE, PAY3),
625 	I40E_PTT(45, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, NONE, PAY3),
626 	I40E_PTT(46, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, UDP,  PAY4),
627 	I40E_PTT_UNUSED_ENTRY(47),
628 	I40E_PTT(48, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, TCP,  PAY4),
629 	I40E_PTT(49, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, SCTP, PAY4),
630 	I40E_PTT(50, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, ICMP, PAY4),
631 
632 	/* IPv4 --> GRE/NAT --> IPv6 */
633 	I40E_PTT(51, IP, IPV4, NOF, IP_GRENAT, IPV6, FRG, NONE, PAY3),
634 	I40E_PTT(52, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, NONE, PAY3),
635 	I40E_PTT(53, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, UDP,  PAY4),
636 	I40E_PTT_UNUSED_ENTRY(54),
637 	I40E_PTT(55, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, TCP,  PAY4),
638 	I40E_PTT(56, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, SCTP, PAY4),
639 	I40E_PTT(57, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, ICMP, PAY4),
640 
641 	/* IPv4 --> GRE/NAT --> MAC */
642 	I40E_PTT(58, IP, IPV4, NOF, IP_GRENAT_MAC, NONE, NOF, NONE, PAY3),
643 
644 	/* IPv4 --> GRE/NAT --> MAC --> IPv4 */
645 	I40E_PTT(59, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, FRG, NONE, PAY3),
646 	I40E_PTT(60, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, NONE, PAY3),
647 	I40E_PTT(61, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, UDP,  PAY4),
648 	I40E_PTT_UNUSED_ENTRY(62),
649 	I40E_PTT(63, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, TCP,  PAY4),
650 	I40E_PTT(64, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, SCTP, PAY4),
651 	I40E_PTT(65, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, ICMP, PAY4),
652 
653 	/* IPv4 --> GRE/NAT -> MAC --> IPv6 */
654 	I40E_PTT(66, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, FRG, NONE, PAY3),
655 	I40E_PTT(67, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, NONE, PAY3),
656 	I40E_PTT(68, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, UDP,  PAY4),
657 	I40E_PTT_UNUSED_ENTRY(69),
658 	I40E_PTT(70, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, TCP,  PAY4),
659 	I40E_PTT(71, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, SCTP, PAY4),
660 	I40E_PTT(72, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, ICMP, PAY4),
661 
662 	/* IPv4 --> GRE/NAT --> MAC/VLAN */
663 	I40E_PTT(73, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, NONE, NOF, NONE, PAY3),
664 
665 	/* IPv4 ---> GRE/NAT -> MAC/VLAN --> IPv4 */
666 	I40E_PTT(74, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, FRG, NONE, PAY3),
667 	I40E_PTT(75, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, NONE, PAY3),
668 	I40E_PTT(76, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, UDP,  PAY4),
669 	I40E_PTT_UNUSED_ENTRY(77),
670 	I40E_PTT(78, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, TCP,  PAY4),
671 	I40E_PTT(79, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, SCTP, PAY4),
672 	I40E_PTT(80, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, ICMP, PAY4),
673 
674 	/* IPv4 -> GRE/NAT -> MAC/VLAN --> IPv6 */
675 	I40E_PTT(81, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, FRG, NONE, PAY3),
676 	I40E_PTT(82, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, NONE, PAY3),
677 	I40E_PTT(83, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, UDP,  PAY4),
678 	I40E_PTT_UNUSED_ENTRY(84),
679 	I40E_PTT(85, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, TCP,  PAY4),
680 	I40E_PTT(86, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, SCTP, PAY4),
681 	I40E_PTT(87, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, ICMP, PAY4),
682 
683 	/* Non Tunneled IPv6 */
684 	I40E_PTT(88, IP, IPV6, FRG, NONE, NONE, NOF, NONE, PAY3),
685 	I40E_PTT(89, IP, IPV6, NOF, NONE, NONE, NOF, NONE, PAY3),
686 	I40E_PTT(90, IP, IPV6, NOF, NONE, NONE, NOF, UDP,  PAY4),
687 	I40E_PTT_UNUSED_ENTRY(91),
688 	I40E_PTT(92, IP, IPV6, NOF, NONE, NONE, NOF, TCP,  PAY4),
689 	I40E_PTT(93, IP, IPV6, NOF, NONE, NONE, NOF, SCTP, PAY4),
690 	I40E_PTT(94, IP, IPV6, NOF, NONE, NONE, NOF, ICMP, PAY4),
691 
692 	/* IPv6 --> IPv4 */
693 	I40E_PTT(95,  IP, IPV6, NOF, IP_IP, IPV4, FRG, NONE, PAY3),
694 	I40E_PTT(96,  IP, IPV6, NOF, IP_IP, IPV4, NOF, NONE, PAY3),
695 	I40E_PTT(97,  IP, IPV6, NOF, IP_IP, IPV4, NOF, UDP,  PAY4),
696 	I40E_PTT_UNUSED_ENTRY(98),
697 	I40E_PTT(99,  IP, IPV6, NOF, IP_IP, IPV4, NOF, TCP,  PAY4),
698 	I40E_PTT(100, IP, IPV6, NOF, IP_IP, IPV4, NOF, SCTP, PAY4),
699 	I40E_PTT(101, IP, IPV6, NOF, IP_IP, IPV4, NOF, ICMP, PAY4),
700 
701 	/* IPv6 --> IPv6 */
702 	I40E_PTT(102, IP, IPV6, NOF, IP_IP, IPV6, FRG, NONE, PAY3),
703 	I40E_PTT(103, IP, IPV6, NOF, IP_IP, IPV6, NOF, NONE, PAY3),
704 	I40E_PTT(104, IP, IPV6, NOF, IP_IP, IPV6, NOF, UDP,  PAY4),
705 	I40E_PTT_UNUSED_ENTRY(105),
706 	I40E_PTT(106, IP, IPV6, NOF, IP_IP, IPV6, NOF, TCP,  PAY4),
707 	I40E_PTT(107, IP, IPV6, NOF, IP_IP, IPV6, NOF, SCTP, PAY4),
708 	I40E_PTT(108, IP, IPV6, NOF, IP_IP, IPV6, NOF, ICMP, PAY4),
709 
710 	/* IPv6 --> GRE/NAT */
711 	I40E_PTT(109, IP, IPV6, NOF, IP_GRENAT, NONE, NOF, NONE, PAY3),
712 
713 	/* IPv6 --> GRE/NAT -> IPv4 */
714 	I40E_PTT(110, IP, IPV6, NOF, IP_GRENAT, IPV4, FRG, NONE, PAY3),
715 	I40E_PTT(111, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, NONE, PAY3),
716 	I40E_PTT(112, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, UDP,  PAY4),
717 	I40E_PTT_UNUSED_ENTRY(113),
718 	I40E_PTT(114, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, TCP,  PAY4),
719 	I40E_PTT(115, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, SCTP, PAY4),
720 	I40E_PTT(116, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, ICMP, PAY4),
721 
722 	/* IPv6 --> GRE/NAT -> IPv6 */
723 	I40E_PTT(117, IP, IPV6, NOF, IP_GRENAT, IPV6, FRG, NONE, PAY3),
724 	I40E_PTT(118, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, NONE, PAY3),
725 	I40E_PTT(119, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, UDP,  PAY4),
726 	I40E_PTT_UNUSED_ENTRY(120),
727 	I40E_PTT(121, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, TCP,  PAY4),
728 	I40E_PTT(122, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, SCTP, PAY4),
729 	I40E_PTT(123, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, ICMP, PAY4),
730 
731 	/* IPv6 --> GRE/NAT -> MAC */
732 	I40E_PTT(124, IP, IPV6, NOF, IP_GRENAT_MAC, NONE, NOF, NONE, PAY3),
733 
734 	/* IPv6 --> GRE/NAT -> MAC -> IPv4 */
735 	I40E_PTT(125, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, FRG, NONE, PAY3),
736 	I40E_PTT(126, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, NONE, PAY3),
737 	I40E_PTT(127, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, UDP,  PAY4),
738 	I40E_PTT_UNUSED_ENTRY(128),
739 	I40E_PTT(129, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, TCP,  PAY4),
740 	I40E_PTT(130, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, SCTP, PAY4),
741 	I40E_PTT(131, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, ICMP, PAY4),
742 
743 	/* IPv6 --> GRE/NAT -> MAC -> IPv6 */
744 	I40E_PTT(132, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, FRG, NONE, PAY3),
745 	I40E_PTT(133, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, NONE, PAY3),
746 	I40E_PTT(134, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, UDP,  PAY4),
747 	I40E_PTT_UNUSED_ENTRY(135),
748 	I40E_PTT(136, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, TCP,  PAY4),
749 	I40E_PTT(137, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, SCTP, PAY4),
750 	I40E_PTT(138, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, ICMP, PAY4),
751 
752 	/* IPv6 --> GRE/NAT -> MAC/VLAN */
753 	I40E_PTT(139, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, NONE, NOF, NONE, PAY3),
754 
755 	/* IPv6 --> GRE/NAT -> MAC/VLAN --> IPv4 */
756 	I40E_PTT(140, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, FRG, NONE, PAY3),
757 	I40E_PTT(141, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, NONE, PAY3),
758 	I40E_PTT(142, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, UDP,  PAY4),
759 	I40E_PTT_UNUSED_ENTRY(143),
760 	I40E_PTT(144, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, TCP,  PAY4),
761 	I40E_PTT(145, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, SCTP, PAY4),
762 	I40E_PTT(146, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, ICMP, PAY4),
763 
764 	/* IPv6 --> GRE/NAT -> MAC/VLAN --> IPv6 */
765 	I40E_PTT(147, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, FRG, NONE, PAY3),
766 	I40E_PTT(148, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, NONE, PAY3),
767 	I40E_PTT(149, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, UDP,  PAY4),
768 	I40E_PTT_UNUSED_ENTRY(150),
769 	I40E_PTT(151, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, TCP,  PAY4),
770 	I40E_PTT(152, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, SCTP, PAY4),
771 	I40E_PTT(153, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, ICMP, PAY4),
772 
773 	/* unused entries */
774 	I40E_PTT_UNUSED_ENTRY(154),
775 	I40E_PTT_UNUSED_ENTRY(155),
776 	I40E_PTT_UNUSED_ENTRY(156),
777 	I40E_PTT_UNUSED_ENTRY(157),
778 	I40E_PTT_UNUSED_ENTRY(158),
779 	I40E_PTT_UNUSED_ENTRY(159),
780 
781 	I40E_PTT_UNUSED_ENTRY(160),
782 	I40E_PTT_UNUSED_ENTRY(161),
783 	I40E_PTT_UNUSED_ENTRY(162),
784 	I40E_PTT_UNUSED_ENTRY(163),
785 	I40E_PTT_UNUSED_ENTRY(164),
786 	I40E_PTT_UNUSED_ENTRY(165),
787 	I40E_PTT_UNUSED_ENTRY(166),
788 	I40E_PTT_UNUSED_ENTRY(167),
789 	I40E_PTT_UNUSED_ENTRY(168),
790 	I40E_PTT_UNUSED_ENTRY(169),
791 
792 	I40E_PTT_UNUSED_ENTRY(170),
793 	I40E_PTT_UNUSED_ENTRY(171),
794 	I40E_PTT_UNUSED_ENTRY(172),
795 	I40E_PTT_UNUSED_ENTRY(173),
796 	I40E_PTT_UNUSED_ENTRY(174),
797 	I40E_PTT_UNUSED_ENTRY(175),
798 	I40E_PTT_UNUSED_ENTRY(176),
799 	I40E_PTT_UNUSED_ENTRY(177),
800 	I40E_PTT_UNUSED_ENTRY(178),
801 	I40E_PTT_UNUSED_ENTRY(179),
802 
803 	I40E_PTT_UNUSED_ENTRY(180),
804 	I40E_PTT_UNUSED_ENTRY(181),
805 	I40E_PTT_UNUSED_ENTRY(182),
806 	I40E_PTT_UNUSED_ENTRY(183),
807 	I40E_PTT_UNUSED_ENTRY(184),
808 	I40E_PTT_UNUSED_ENTRY(185),
809 	I40E_PTT_UNUSED_ENTRY(186),
810 	I40E_PTT_UNUSED_ENTRY(187),
811 	I40E_PTT_UNUSED_ENTRY(188),
812 	I40E_PTT_UNUSED_ENTRY(189),
813 
814 	I40E_PTT_UNUSED_ENTRY(190),
815 	I40E_PTT_UNUSED_ENTRY(191),
816 	I40E_PTT_UNUSED_ENTRY(192),
817 	I40E_PTT_UNUSED_ENTRY(193),
818 	I40E_PTT_UNUSED_ENTRY(194),
819 	I40E_PTT_UNUSED_ENTRY(195),
820 	I40E_PTT_UNUSED_ENTRY(196),
821 	I40E_PTT_UNUSED_ENTRY(197),
822 	I40E_PTT_UNUSED_ENTRY(198),
823 	I40E_PTT_UNUSED_ENTRY(199),
824 
825 	I40E_PTT_UNUSED_ENTRY(200),
826 	I40E_PTT_UNUSED_ENTRY(201),
827 	I40E_PTT_UNUSED_ENTRY(202),
828 	I40E_PTT_UNUSED_ENTRY(203),
829 	I40E_PTT_UNUSED_ENTRY(204),
830 	I40E_PTT_UNUSED_ENTRY(205),
831 	I40E_PTT_UNUSED_ENTRY(206),
832 	I40E_PTT_UNUSED_ENTRY(207),
833 	I40E_PTT_UNUSED_ENTRY(208),
834 	I40E_PTT_UNUSED_ENTRY(209),
835 
836 	I40E_PTT_UNUSED_ENTRY(210),
837 	I40E_PTT_UNUSED_ENTRY(211),
838 	I40E_PTT_UNUSED_ENTRY(212),
839 	I40E_PTT_UNUSED_ENTRY(213),
840 	I40E_PTT_UNUSED_ENTRY(214),
841 	I40E_PTT_UNUSED_ENTRY(215),
842 	I40E_PTT_UNUSED_ENTRY(216),
843 	I40E_PTT_UNUSED_ENTRY(217),
844 	I40E_PTT_UNUSED_ENTRY(218),
845 	I40E_PTT_UNUSED_ENTRY(219),
846 
847 	I40E_PTT_UNUSED_ENTRY(220),
848 	I40E_PTT_UNUSED_ENTRY(221),
849 	I40E_PTT_UNUSED_ENTRY(222),
850 	I40E_PTT_UNUSED_ENTRY(223),
851 	I40E_PTT_UNUSED_ENTRY(224),
852 	I40E_PTT_UNUSED_ENTRY(225),
853 	I40E_PTT_UNUSED_ENTRY(226),
854 	I40E_PTT_UNUSED_ENTRY(227),
855 	I40E_PTT_UNUSED_ENTRY(228),
856 	I40E_PTT_UNUSED_ENTRY(229),
857 
858 	I40E_PTT_UNUSED_ENTRY(230),
859 	I40E_PTT_UNUSED_ENTRY(231),
860 	I40E_PTT_UNUSED_ENTRY(232),
861 	I40E_PTT_UNUSED_ENTRY(233),
862 	I40E_PTT_UNUSED_ENTRY(234),
863 	I40E_PTT_UNUSED_ENTRY(235),
864 	I40E_PTT_UNUSED_ENTRY(236),
865 	I40E_PTT_UNUSED_ENTRY(237),
866 	I40E_PTT_UNUSED_ENTRY(238),
867 	I40E_PTT_UNUSED_ENTRY(239),
868 
869 	I40E_PTT_UNUSED_ENTRY(240),
870 	I40E_PTT_UNUSED_ENTRY(241),
871 	I40E_PTT_UNUSED_ENTRY(242),
872 	I40E_PTT_UNUSED_ENTRY(243),
873 	I40E_PTT_UNUSED_ENTRY(244),
874 	I40E_PTT_UNUSED_ENTRY(245),
875 	I40E_PTT_UNUSED_ENTRY(246),
876 	I40E_PTT_UNUSED_ENTRY(247),
877 	I40E_PTT_UNUSED_ENTRY(248),
878 	I40E_PTT_UNUSED_ENTRY(249),
879 
880 	I40E_PTT_UNUSED_ENTRY(250),
881 	I40E_PTT_UNUSED_ENTRY(251),
882 	I40E_PTT_UNUSED_ENTRY(252),
883 	I40E_PTT_UNUSED_ENTRY(253),
884 	I40E_PTT_UNUSED_ENTRY(254),
885 	I40E_PTT_UNUSED_ENTRY(255)
886 };
887 
888 /**
889  * i40e_init_shared_code - Initialize the shared code
890  * @hw: pointer to hardware structure
891  *
892  * This assigns the MAC type and PHY code and inits the NVM.
893  * Does not touch the hardware. This function must be called prior to any
894  * other function in the shared code. The i40e_hw structure should be
895  * memset to 0 prior to calling this function.  The following fields in
896  * hw structure should be filled in prior to calling this function:
897  * hw_addr, back, device_id, vendor_id, subsystem_device_id,
898  * subsystem_vendor_id, and revision_id
899  **/
i40e_init_shared_code(struct i40e_hw * hw)900 i40e_status i40e_init_shared_code(struct i40e_hw *hw)
901 {
902 	i40e_status status = 0;
903 	u32 port, ari, func_rid;
904 
905 	i40e_set_mac_type(hw);
906 
907 	switch (hw->mac.type) {
908 	case I40E_MAC_XL710:
909 	case I40E_MAC_X722:
910 		break;
911 	default:
912 		return I40E_ERR_DEVICE_NOT_SUPPORTED;
913 	}
914 
915 	hw->phy.get_link_info = true;
916 
917 	/* Determine port number and PF number*/
918 	port = (rd32(hw, I40E_PFGEN_PORTNUM) & I40E_PFGEN_PORTNUM_PORT_NUM_MASK)
919 					   >> I40E_PFGEN_PORTNUM_PORT_NUM_SHIFT;
920 	hw->port = (u8)port;
921 	ari = (rd32(hw, I40E_GLPCI_CAPSUP) & I40E_GLPCI_CAPSUP_ARI_EN_MASK) >>
922 						 I40E_GLPCI_CAPSUP_ARI_EN_SHIFT;
923 	func_rid = rd32(hw, I40E_PF_FUNC_RID);
924 	if (ari)
925 		hw->pf_id = (u8)(func_rid & 0xff);
926 	else
927 		hw->pf_id = (u8)(func_rid & 0x7);
928 
929 	if (hw->mac.type == I40E_MAC_X722)
930 		hw->flags |= I40E_HW_FLAG_AQ_SRCTL_ACCESS_ENABLE |
931 			     I40E_HW_FLAG_NVM_READ_REQUIRES_LOCK;
932 
933 	status = i40e_init_nvm(hw);
934 	return status;
935 }
936 
937 /**
938  * i40e_aq_mac_address_read - Retrieve the MAC addresses
939  * @hw: pointer to the hw struct
940  * @flags: a return indicator of what addresses were added to the addr store
941  * @addrs: the requestor's mac addr store
942  * @cmd_details: pointer to command details structure or NULL
943  **/
i40e_aq_mac_address_read(struct i40e_hw * hw,u16 * flags,struct i40e_aqc_mac_address_read_data * addrs,struct i40e_asq_cmd_details * cmd_details)944 static i40e_status i40e_aq_mac_address_read(struct i40e_hw *hw,
945 				   u16 *flags,
946 				   struct i40e_aqc_mac_address_read_data *addrs,
947 				   struct i40e_asq_cmd_details *cmd_details)
948 {
949 	struct i40e_aq_desc desc;
950 	struct i40e_aqc_mac_address_read *cmd_data =
951 		(struct i40e_aqc_mac_address_read *)&desc.params.raw;
952 	i40e_status status;
953 
954 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_mac_address_read);
955 	desc.flags |= cpu_to_le16(I40E_AQ_FLAG_BUF);
956 
957 	status = i40e_asq_send_command(hw, &desc, addrs,
958 				       sizeof(*addrs), cmd_details);
959 	*flags = le16_to_cpu(cmd_data->command_flags);
960 
961 	return status;
962 }
963 
964 /**
965  * i40e_aq_mac_address_write - Change the MAC addresses
966  * @hw: pointer to the hw struct
967  * @flags: indicates which MAC to be written
968  * @mac_addr: address to write
969  * @cmd_details: pointer to command details structure or NULL
970  **/
i40e_aq_mac_address_write(struct i40e_hw * hw,u16 flags,u8 * mac_addr,struct i40e_asq_cmd_details * cmd_details)971 i40e_status i40e_aq_mac_address_write(struct i40e_hw *hw,
972 				    u16 flags, u8 *mac_addr,
973 				    struct i40e_asq_cmd_details *cmd_details)
974 {
975 	struct i40e_aq_desc desc;
976 	struct i40e_aqc_mac_address_write *cmd_data =
977 		(struct i40e_aqc_mac_address_write *)&desc.params.raw;
978 	i40e_status status;
979 
980 	i40e_fill_default_direct_cmd_desc(&desc,
981 					  i40e_aqc_opc_mac_address_write);
982 	cmd_data->command_flags = cpu_to_le16(flags);
983 	cmd_data->mac_sah = cpu_to_le16((u16)mac_addr[0] << 8 | mac_addr[1]);
984 	cmd_data->mac_sal = cpu_to_le32(((u32)mac_addr[2] << 24) |
985 					((u32)mac_addr[3] << 16) |
986 					((u32)mac_addr[4] << 8) |
987 					mac_addr[5]);
988 
989 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
990 
991 	return status;
992 }
993 
994 /**
995  * i40e_get_mac_addr - get MAC address
996  * @hw: pointer to the HW structure
997  * @mac_addr: pointer to MAC address
998  *
999  * Reads the adapter's MAC address from register
1000  **/
i40e_get_mac_addr(struct i40e_hw * hw,u8 * mac_addr)1001 i40e_status i40e_get_mac_addr(struct i40e_hw *hw, u8 *mac_addr)
1002 {
1003 	struct i40e_aqc_mac_address_read_data addrs;
1004 	i40e_status status;
1005 	u16 flags = 0;
1006 
1007 	status = i40e_aq_mac_address_read(hw, &flags, &addrs, NULL);
1008 
1009 	if (flags & I40E_AQC_LAN_ADDR_VALID)
1010 		ether_addr_copy(mac_addr, addrs.pf_lan_mac);
1011 
1012 	return status;
1013 }
1014 
1015 /**
1016  * i40e_get_port_mac_addr - get Port MAC address
1017  * @hw: pointer to the HW structure
1018  * @mac_addr: pointer to Port MAC address
1019  *
1020  * Reads the adapter's Port MAC address
1021  **/
i40e_get_port_mac_addr(struct i40e_hw * hw,u8 * mac_addr)1022 i40e_status i40e_get_port_mac_addr(struct i40e_hw *hw, u8 *mac_addr)
1023 {
1024 	struct i40e_aqc_mac_address_read_data addrs;
1025 	i40e_status status;
1026 	u16 flags = 0;
1027 
1028 	status = i40e_aq_mac_address_read(hw, &flags, &addrs, NULL);
1029 	if (status)
1030 		return status;
1031 
1032 	if (flags & I40E_AQC_PORT_ADDR_VALID)
1033 		ether_addr_copy(mac_addr, addrs.port_mac);
1034 	else
1035 		status = I40E_ERR_INVALID_MAC_ADDR;
1036 
1037 	return status;
1038 }
1039 
1040 /**
1041  * i40e_pre_tx_queue_cfg - pre tx queue configure
1042  * @hw: pointer to the HW structure
1043  * @queue: target PF queue index
1044  * @enable: state change request
1045  *
1046  * Handles hw requirement to indicate intention to enable
1047  * or disable target queue.
1048  **/
i40e_pre_tx_queue_cfg(struct i40e_hw * hw,u32 queue,bool enable)1049 void i40e_pre_tx_queue_cfg(struct i40e_hw *hw, u32 queue, bool enable)
1050 {
1051 	u32 abs_queue_idx = hw->func_caps.base_queue + queue;
1052 	u32 reg_block = 0;
1053 	u32 reg_val;
1054 
1055 	if (abs_queue_idx >= 128) {
1056 		reg_block = abs_queue_idx / 128;
1057 		abs_queue_idx %= 128;
1058 	}
1059 
1060 	reg_val = rd32(hw, I40E_GLLAN_TXPRE_QDIS(reg_block));
1061 	reg_val &= ~I40E_GLLAN_TXPRE_QDIS_QINDX_MASK;
1062 	reg_val |= (abs_queue_idx << I40E_GLLAN_TXPRE_QDIS_QINDX_SHIFT);
1063 
1064 	if (enable)
1065 		reg_val |= I40E_GLLAN_TXPRE_QDIS_CLEAR_QDIS_MASK;
1066 	else
1067 		reg_val |= I40E_GLLAN_TXPRE_QDIS_SET_QDIS_MASK;
1068 
1069 	wr32(hw, I40E_GLLAN_TXPRE_QDIS(reg_block), reg_val);
1070 }
1071 
1072 /**
1073  *  i40e_read_pba_string - Reads part number string from EEPROM
1074  *  @hw: pointer to hardware structure
1075  *  @pba_num: stores the part number string from the EEPROM
1076  *  @pba_num_size: part number string buffer length
1077  *
1078  *  Reads the part number string from the EEPROM.
1079  **/
i40e_read_pba_string(struct i40e_hw * hw,u8 * pba_num,u32 pba_num_size)1080 i40e_status i40e_read_pba_string(struct i40e_hw *hw, u8 *pba_num,
1081 				 u32 pba_num_size)
1082 {
1083 	i40e_status status = 0;
1084 	u16 pba_word = 0;
1085 	u16 pba_size = 0;
1086 	u16 pba_ptr = 0;
1087 	u16 i = 0;
1088 
1089 	status = i40e_read_nvm_word(hw, I40E_SR_PBA_FLAGS, &pba_word);
1090 	if (status || (pba_word != 0xFAFA)) {
1091 		hw_dbg(hw, "Failed to read PBA flags or flag is invalid.\n");
1092 		return status;
1093 	}
1094 
1095 	status = i40e_read_nvm_word(hw, I40E_SR_PBA_BLOCK_PTR, &pba_ptr);
1096 	if (status) {
1097 		hw_dbg(hw, "Failed to read PBA Block pointer.\n");
1098 		return status;
1099 	}
1100 
1101 	status = i40e_read_nvm_word(hw, pba_ptr, &pba_size);
1102 	if (status) {
1103 		hw_dbg(hw, "Failed to read PBA Block size.\n");
1104 		return status;
1105 	}
1106 
1107 	/* Subtract one to get PBA word count (PBA Size word is included in
1108 	 * total size)
1109 	 */
1110 	pba_size--;
1111 	if (pba_num_size < (((u32)pba_size * 2) + 1)) {
1112 		hw_dbg(hw, "Buffer to small for PBA data.\n");
1113 		return I40E_ERR_PARAM;
1114 	}
1115 
1116 	for (i = 0; i < pba_size; i++) {
1117 		status = i40e_read_nvm_word(hw, (pba_ptr + 1) + i, &pba_word);
1118 		if (status) {
1119 			hw_dbg(hw, "Failed to read PBA Block word %d.\n", i);
1120 			return status;
1121 		}
1122 
1123 		pba_num[(i * 2)] = (pba_word >> 8) & 0xFF;
1124 		pba_num[(i * 2) + 1] = pba_word & 0xFF;
1125 	}
1126 	pba_num[(pba_size * 2)] = '\0';
1127 
1128 	return status;
1129 }
1130 
1131 /**
1132  * i40e_get_media_type - Gets media type
1133  * @hw: pointer to the hardware structure
1134  **/
i40e_get_media_type(struct i40e_hw * hw)1135 static enum i40e_media_type i40e_get_media_type(struct i40e_hw *hw)
1136 {
1137 	enum i40e_media_type media;
1138 
1139 	switch (hw->phy.link_info.phy_type) {
1140 	case I40E_PHY_TYPE_10GBASE_SR:
1141 	case I40E_PHY_TYPE_10GBASE_LR:
1142 	case I40E_PHY_TYPE_1000BASE_SX:
1143 	case I40E_PHY_TYPE_1000BASE_LX:
1144 	case I40E_PHY_TYPE_40GBASE_SR4:
1145 	case I40E_PHY_TYPE_40GBASE_LR4:
1146 	case I40E_PHY_TYPE_25GBASE_LR:
1147 	case I40E_PHY_TYPE_25GBASE_SR:
1148 		media = I40E_MEDIA_TYPE_FIBER;
1149 		break;
1150 	case I40E_PHY_TYPE_100BASE_TX:
1151 	case I40E_PHY_TYPE_1000BASE_T:
1152 	case I40E_PHY_TYPE_10GBASE_T:
1153 		media = I40E_MEDIA_TYPE_BASET;
1154 		break;
1155 	case I40E_PHY_TYPE_10GBASE_CR1_CU:
1156 	case I40E_PHY_TYPE_40GBASE_CR4_CU:
1157 	case I40E_PHY_TYPE_10GBASE_CR1:
1158 	case I40E_PHY_TYPE_40GBASE_CR4:
1159 	case I40E_PHY_TYPE_10GBASE_SFPP_CU:
1160 	case I40E_PHY_TYPE_40GBASE_AOC:
1161 	case I40E_PHY_TYPE_10GBASE_AOC:
1162 	case I40E_PHY_TYPE_25GBASE_CR:
1163 	case I40E_PHY_TYPE_25GBASE_AOC:
1164 	case I40E_PHY_TYPE_25GBASE_ACC:
1165 		media = I40E_MEDIA_TYPE_DA;
1166 		break;
1167 	case I40E_PHY_TYPE_1000BASE_KX:
1168 	case I40E_PHY_TYPE_10GBASE_KX4:
1169 	case I40E_PHY_TYPE_10GBASE_KR:
1170 	case I40E_PHY_TYPE_40GBASE_KR4:
1171 	case I40E_PHY_TYPE_20GBASE_KR2:
1172 	case I40E_PHY_TYPE_25GBASE_KR:
1173 		media = I40E_MEDIA_TYPE_BACKPLANE;
1174 		break;
1175 	case I40E_PHY_TYPE_SGMII:
1176 	case I40E_PHY_TYPE_XAUI:
1177 	case I40E_PHY_TYPE_XFI:
1178 	case I40E_PHY_TYPE_XLAUI:
1179 	case I40E_PHY_TYPE_XLPPI:
1180 	default:
1181 		media = I40E_MEDIA_TYPE_UNKNOWN;
1182 		break;
1183 	}
1184 
1185 	return media;
1186 }
1187 
1188 /**
1189  * i40e_poll_globr - Poll for Global Reset completion
1190  * @hw: pointer to the hardware structure
1191  * @retry_limit: how many times to retry before failure
1192  **/
i40e_poll_globr(struct i40e_hw * hw,u32 retry_limit)1193 static i40e_status i40e_poll_globr(struct i40e_hw *hw,
1194 				   u32 retry_limit)
1195 {
1196 	u32 cnt, reg = 0;
1197 
1198 	for (cnt = 0; cnt < retry_limit; cnt++) {
1199 		reg = rd32(hw, I40E_GLGEN_RSTAT);
1200 		if (!(reg & I40E_GLGEN_RSTAT_DEVSTATE_MASK))
1201 			return 0;
1202 		msleep(100);
1203 	}
1204 
1205 	hw_dbg(hw, "Global reset failed.\n");
1206 	hw_dbg(hw, "I40E_GLGEN_RSTAT = 0x%x\n", reg);
1207 
1208 	return I40E_ERR_RESET_FAILED;
1209 }
1210 
1211 #define I40E_PF_RESET_WAIT_COUNT_A0	200
1212 #define I40E_PF_RESET_WAIT_COUNT	200
1213 /**
1214  * i40e_pf_reset - Reset the PF
1215  * @hw: pointer to the hardware structure
1216  *
1217  * Assuming someone else has triggered a global reset,
1218  * assure the global reset is complete and then reset the PF
1219  **/
i40e_pf_reset(struct i40e_hw * hw)1220 i40e_status i40e_pf_reset(struct i40e_hw *hw)
1221 {
1222 	u32 cnt = 0;
1223 	u32 cnt1 = 0;
1224 	u32 reg = 0;
1225 	u32 grst_del;
1226 
1227 	/* Poll for Global Reset steady state in case of recent GRST.
1228 	 * The grst delay value is in 100ms units, and we'll wait a
1229 	 * couple counts longer to be sure we don't just miss the end.
1230 	 */
1231 	grst_del = (rd32(hw, I40E_GLGEN_RSTCTL) &
1232 		    I40E_GLGEN_RSTCTL_GRSTDEL_MASK) >>
1233 		    I40E_GLGEN_RSTCTL_GRSTDEL_SHIFT;
1234 
1235 	/* It can take upto 15 secs for GRST steady state.
1236 	 * Bump it to 16 secs max to be safe.
1237 	 */
1238 	grst_del = grst_del * 20;
1239 
1240 	for (cnt = 0; cnt < grst_del; cnt++) {
1241 		reg = rd32(hw, I40E_GLGEN_RSTAT);
1242 		if (!(reg & I40E_GLGEN_RSTAT_DEVSTATE_MASK))
1243 			break;
1244 		msleep(100);
1245 	}
1246 	if (reg & I40E_GLGEN_RSTAT_DEVSTATE_MASK) {
1247 		hw_dbg(hw, "Global reset polling failed to complete.\n");
1248 		return I40E_ERR_RESET_FAILED;
1249 	}
1250 
1251 	/* Now Wait for the FW to be ready */
1252 	for (cnt1 = 0; cnt1 < I40E_PF_RESET_WAIT_COUNT; cnt1++) {
1253 		reg = rd32(hw, I40E_GLNVM_ULD);
1254 		reg &= (I40E_GLNVM_ULD_CONF_CORE_DONE_MASK |
1255 			I40E_GLNVM_ULD_CONF_GLOBAL_DONE_MASK);
1256 		if (reg == (I40E_GLNVM_ULD_CONF_CORE_DONE_MASK |
1257 			    I40E_GLNVM_ULD_CONF_GLOBAL_DONE_MASK)) {
1258 			hw_dbg(hw, "Core and Global modules ready %d\n", cnt1);
1259 			break;
1260 		}
1261 		usleep_range(10000, 20000);
1262 	}
1263 	if (!(reg & (I40E_GLNVM_ULD_CONF_CORE_DONE_MASK |
1264 		     I40E_GLNVM_ULD_CONF_GLOBAL_DONE_MASK))) {
1265 		hw_dbg(hw, "wait for FW Reset complete timedout\n");
1266 		hw_dbg(hw, "I40E_GLNVM_ULD = 0x%x\n", reg);
1267 		return I40E_ERR_RESET_FAILED;
1268 	}
1269 
1270 	/* If there was a Global Reset in progress when we got here,
1271 	 * we don't need to do the PF Reset
1272 	 */
1273 	if (!cnt) {
1274 		u32 reg2 = 0;
1275 		if (hw->revision_id == 0)
1276 			cnt = I40E_PF_RESET_WAIT_COUNT_A0;
1277 		else
1278 			cnt = I40E_PF_RESET_WAIT_COUNT;
1279 		reg = rd32(hw, I40E_PFGEN_CTRL);
1280 		wr32(hw, I40E_PFGEN_CTRL,
1281 		     (reg | I40E_PFGEN_CTRL_PFSWR_MASK));
1282 		for (; cnt; cnt--) {
1283 			reg = rd32(hw, I40E_PFGEN_CTRL);
1284 			if (!(reg & I40E_PFGEN_CTRL_PFSWR_MASK))
1285 				break;
1286 			reg2 = rd32(hw, I40E_GLGEN_RSTAT);
1287 			if (reg2 & I40E_GLGEN_RSTAT_DEVSTATE_MASK)
1288 				break;
1289 			usleep_range(1000, 2000);
1290 		}
1291 		if (reg2 & I40E_GLGEN_RSTAT_DEVSTATE_MASK) {
1292 			if (i40e_poll_globr(hw, grst_del))
1293 				return I40E_ERR_RESET_FAILED;
1294 		} else if (reg & I40E_PFGEN_CTRL_PFSWR_MASK) {
1295 			hw_dbg(hw, "PF reset polling failed to complete.\n");
1296 			return I40E_ERR_RESET_FAILED;
1297 		}
1298 	}
1299 
1300 	i40e_clear_pxe_mode(hw);
1301 
1302 	return 0;
1303 }
1304 
1305 /**
1306  * i40e_clear_hw - clear out any left over hw state
1307  * @hw: pointer to the hw struct
1308  *
1309  * Clear queues and interrupts, typically called at init time,
1310  * but after the capabilities have been found so we know how many
1311  * queues and msix vectors have been allocated.
1312  **/
i40e_clear_hw(struct i40e_hw * hw)1313 void i40e_clear_hw(struct i40e_hw *hw)
1314 {
1315 	u32 num_queues, base_queue;
1316 	u32 num_pf_int;
1317 	u32 num_vf_int;
1318 	u32 num_vfs;
1319 	u32 i, j;
1320 	u32 val;
1321 	u32 eol = 0x7ff;
1322 
1323 	/* get number of interrupts, queues, and VFs */
1324 	val = rd32(hw, I40E_GLPCI_CNF2);
1325 	num_pf_int = (val & I40E_GLPCI_CNF2_MSI_X_PF_N_MASK) >>
1326 		     I40E_GLPCI_CNF2_MSI_X_PF_N_SHIFT;
1327 	num_vf_int = (val & I40E_GLPCI_CNF2_MSI_X_VF_N_MASK) >>
1328 		     I40E_GLPCI_CNF2_MSI_X_VF_N_SHIFT;
1329 
1330 	val = rd32(hw, I40E_PFLAN_QALLOC);
1331 	base_queue = (val & I40E_PFLAN_QALLOC_FIRSTQ_MASK) >>
1332 		     I40E_PFLAN_QALLOC_FIRSTQ_SHIFT;
1333 	j = (val & I40E_PFLAN_QALLOC_LASTQ_MASK) >>
1334 	    I40E_PFLAN_QALLOC_LASTQ_SHIFT;
1335 	if (val & I40E_PFLAN_QALLOC_VALID_MASK)
1336 		num_queues = (j - base_queue) + 1;
1337 	else
1338 		num_queues = 0;
1339 
1340 	val = rd32(hw, I40E_PF_VT_PFALLOC);
1341 	i = (val & I40E_PF_VT_PFALLOC_FIRSTVF_MASK) >>
1342 	    I40E_PF_VT_PFALLOC_FIRSTVF_SHIFT;
1343 	j = (val & I40E_PF_VT_PFALLOC_LASTVF_MASK) >>
1344 	    I40E_PF_VT_PFALLOC_LASTVF_SHIFT;
1345 	if (val & I40E_PF_VT_PFALLOC_VALID_MASK)
1346 		num_vfs = (j - i) + 1;
1347 	else
1348 		num_vfs = 0;
1349 
1350 	/* stop all the interrupts */
1351 	wr32(hw, I40E_PFINT_ICR0_ENA, 0);
1352 	val = 0x3 << I40E_PFINT_DYN_CTLN_ITR_INDX_SHIFT;
1353 	for (i = 0; i < num_pf_int - 2; i++)
1354 		wr32(hw, I40E_PFINT_DYN_CTLN(i), val);
1355 
1356 	/* Set the FIRSTQ_INDX field to 0x7FF in PFINT_LNKLSTx */
1357 	val = eol << I40E_PFINT_LNKLST0_FIRSTQ_INDX_SHIFT;
1358 	wr32(hw, I40E_PFINT_LNKLST0, val);
1359 	for (i = 0; i < num_pf_int - 2; i++)
1360 		wr32(hw, I40E_PFINT_LNKLSTN(i), val);
1361 	val = eol << I40E_VPINT_LNKLST0_FIRSTQ_INDX_SHIFT;
1362 	for (i = 0; i < num_vfs; i++)
1363 		wr32(hw, I40E_VPINT_LNKLST0(i), val);
1364 	for (i = 0; i < num_vf_int - 2; i++)
1365 		wr32(hw, I40E_VPINT_LNKLSTN(i), val);
1366 
1367 	/* warn the HW of the coming Tx disables */
1368 	for (i = 0; i < num_queues; i++) {
1369 		u32 abs_queue_idx = base_queue + i;
1370 		u32 reg_block = 0;
1371 
1372 		if (abs_queue_idx >= 128) {
1373 			reg_block = abs_queue_idx / 128;
1374 			abs_queue_idx %= 128;
1375 		}
1376 
1377 		val = rd32(hw, I40E_GLLAN_TXPRE_QDIS(reg_block));
1378 		val &= ~I40E_GLLAN_TXPRE_QDIS_QINDX_MASK;
1379 		val |= (abs_queue_idx << I40E_GLLAN_TXPRE_QDIS_QINDX_SHIFT);
1380 		val |= I40E_GLLAN_TXPRE_QDIS_SET_QDIS_MASK;
1381 
1382 		wr32(hw, I40E_GLLAN_TXPRE_QDIS(reg_block), val);
1383 	}
1384 	udelay(400);
1385 
1386 	/* stop all the queues */
1387 	for (i = 0; i < num_queues; i++) {
1388 		wr32(hw, I40E_QINT_TQCTL(i), 0);
1389 		wr32(hw, I40E_QTX_ENA(i), 0);
1390 		wr32(hw, I40E_QINT_RQCTL(i), 0);
1391 		wr32(hw, I40E_QRX_ENA(i), 0);
1392 	}
1393 
1394 	/* short wait for all queue disables to settle */
1395 	udelay(50);
1396 }
1397 
1398 /**
1399  * i40e_clear_pxe_mode - clear pxe operations mode
1400  * @hw: pointer to the hw struct
1401  *
1402  * Make sure all PXE mode settings are cleared, including things
1403  * like descriptor fetch/write-back mode.
1404  **/
i40e_clear_pxe_mode(struct i40e_hw * hw)1405 void i40e_clear_pxe_mode(struct i40e_hw *hw)
1406 {
1407 	u32 reg;
1408 
1409 	if (i40e_check_asq_alive(hw))
1410 		i40e_aq_clear_pxe_mode(hw, NULL);
1411 
1412 	/* Clear single descriptor fetch/write-back mode */
1413 	reg = rd32(hw, I40E_GLLAN_RCTL_0);
1414 
1415 	if (hw->revision_id == 0) {
1416 		/* As a work around clear PXE_MODE instead of setting it */
1417 		wr32(hw, I40E_GLLAN_RCTL_0, (reg & (~I40E_GLLAN_RCTL_0_PXE_MODE_MASK)));
1418 	} else {
1419 		wr32(hw, I40E_GLLAN_RCTL_0, (reg | I40E_GLLAN_RCTL_0_PXE_MODE_MASK));
1420 	}
1421 }
1422 
1423 /**
1424  * i40e_led_is_mine - helper to find matching led
1425  * @hw: pointer to the hw struct
1426  * @idx: index into GPIO registers
1427  *
1428  * returns: 0 if no match, otherwise the value of the GPIO_CTL register
1429  */
i40e_led_is_mine(struct i40e_hw * hw,int idx)1430 static u32 i40e_led_is_mine(struct i40e_hw *hw, int idx)
1431 {
1432 	u32 gpio_val = 0;
1433 	u32 port;
1434 
1435 	if (!hw->func_caps.led[idx])
1436 		return 0;
1437 
1438 	gpio_val = rd32(hw, I40E_GLGEN_GPIO_CTL(idx));
1439 	port = (gpio_val & I40E_GLGEN_GPIO_CTL_PRT_NUM_MASK) >>
1440 		I40E_GLGEN_GPIO_CTL_PRT_NUM_SHIFT;
1441 
1442 	/* if PRT_NUM_NA is 1 then this LED is not port specific, OR
1443 	 * if it is not our port then ignore
1444 	 */
1445 	if ((gpio_val & I40E_GLGEN_GPIO_CTL_PRT_NUM_NA_MASK) ||
1446 	    (port != hw->port))
1447 		return 0;
1448 
1449 	return gpio_val;
1450 }
1451 
1452 #define I40E_COMBINED_ACTIVITY 0xA
1453 #define I40E_FILTER_ACTIVITY 0xE
1454 #define I40E_LINK_ACTIVITY 0xC
1455 #define I40E_MAC_ACTIVITY 0xD
1456 #define I40E_LED0 22
1457 
1458 /**
1459  * i40e_led_get - return current on/off mode
1460  * @hw: pointer to the hw struct
1461  *
1462  * The value returned is the 'mode' field as defined in the
1463  * GPIO register definitions: 0x0 = off, 0xf = on, and other
1464  * values are variations of possible behaviors relating to
1465  * blink, link, and wire.
1466  **/
i40e_led_get(struct i40e_hw * hw)1467 u32 i40e_led_get(struct i40e_hw *hw)
1468 {
1469 	u32 current_mode = 0;
1470 	u32 mode = 0;
1471 	int i;
1472 
1473 	/* as per the documentation GPIO 22-29 are the LED
1474 	 * GPIO pins named LED0..LED7
1475 	 */
1476 	for (i = I40E_LED0; i <= I40E_GLGEN_GPIO_CTL_MAX_INDEX; i++) {
1477 		u32 gpio_val = i40e_led_is_mine(hw, i);
1478 
1479 		if (!gpio_val)
1480 			continue;
1481 
1482 		/* ignore gpio LED src mode entries related to the activity
1483 		 * LEDs
1484 		 */
1485 		current_mode = ((gpio_val & I40E_GLGEN_GPIO_CTL_LED_MODE_MASK)
1486 				>> I40E_GLGEN_GPIO_CTL_LED_MODE_SHIFT);
1487 		switch (current_mode) {
1488 		case I40E_COMBINED_ACTIVITY:
1489 		case I40E_FILTER_ACTIVITY:
1490 		case I40E_MAC_ACTIVITY:
1491 		case I40E_LINK_ACTIVITY:
1492 			continue;
1493 		default:
1494 			break;
1495 		}
1496 
1497 		mode = (gpio_val & I40E_GLGEN_GPIO_CTL_LED_MODE_MASK) >>
1498 			I40E_GLGEN_GPIO_CTL_LED_MODE_SHIFT;
1499 		break;
1500 	}
1501 
1502 	return mode;
1503 }
1504 
1505 /**
1506  * i40e_led_set - set new on/off mode
1507  * @hw: pointer to the hw struct
1508  * @mode: 0=off, 0xf=on (else see manual for mode details)
1509  * @blink: true if the LED should blink when on, false if steady
1510  *
1511  * if this function is used to turn on the blink it should
1512  * be used to disable the blink when restoring the original state.
1513  **/
i40e_led_set(struct i40e_hw * hw,u32 mode,bool blink)1514 void i40e_led_set(struct i40e_hw *hw, u32 mode, bool blink)
1515 {
1516 	u32 current_mode = 0;
1517 	int i;
1518 
1519 	if (mode & 0xfffffff0)
1520 		hw_dbg(hw, "invalid mode passed in %X\n", mode);
1521 
1522 	/* as per the documentation GPIO 22-29 are the LED
1523 	 * GPIO pins named LED0..LED7
1524 	 */
1525 	for (i = I40E_LED0; i <= I40E_GLGEN_GPIO_CTL_MAX_INDEX; i++) {
1526 		u32 gpio_val = i40e_led_is_mine(hw, i);
1527 
1528 		if (!gpio_val)
1529 			continue;
1530 
1531 		/* ignore gpio LED src mode entries related to the activity
1532 		 * LEDs
1533 		 */
1534 		current_mode = ((gpio_val & I40E_GLGEN_GPIO_CTL_LED_MODE_MASK)
1535 				>> I40E_GLGEN_GPIO_CTL_LED_MODE_SHIFT);
1536 		switch (current_mode) {
1537 		case I40E_COMBINED_ACTIVITY:
1538 		case I40E_FILTER_ACTIVITY:
1539 		case I40E_MAC_ACTIVITY:
1540 		case I40E_LINK_ACTIVITY:
1541 			continue;
1542 		default:
1543 			break;
1544 		}
1545 
1546 		gpio_val &= ~I40E_GLGEN_GPIO_CTL_LED_MODE_MASK;
1547 		/* this & is a bit of paranoia, but serves as a range check */
1548 		gpio_val |= ((mode << I40E_GLGEN_GPIO_CTL_LED_MODE_SHIFT) &
1549 			     I40E_GLGEN_GPIO_CTL_LED_MODE_MASK);
1550 
1551 		if (blink)
1552 			gpio_val |= BIT(I40E_GLGEN_GPIO_CTL_LED_BLINK_SHIFT);
1553 		else
1554 			gpio_val &= ~BIT(I40E_GLGEN_GPIO_CTL_LED_BLINK_SHIFT);
1555 
1556 		wr32(hw, I40E_GLGEN_GPIO_CTL(i), gpio_val);
1557 		break;
1558 	}
1559 }
1560 
1561 /* Admin command wrappers */
1562 
1563 /**
1564  * i40e_aq_get_phy_capabilities
1565  * @hw: pointer to the hw struct
1566  * @abilities: structure for PHY capabilities to be filled
1567  * @qualified_modules: report Qualified Modules
1568  * @report_init: report init capabilities (active are default)
1569  * @cmd_details: pointer to command details structure or NULL
1570  *
1571  * Returns the various PHY abilities supported on the Port.
1572  **/
i40e_aq_get_phy_capabilities(struct i40e_hw * hw,bool qualified_modules,bool report_init,struct i40e_aq_get_phy_abilities_resp * abilities,struct i40e_asq_cmd_details * cmd_details)1573 i40e_status i40e_aq_get_phy_capabilities(struct i40e_hw *hw,
1574 			bool qualified_modules, bool report_init,
1575 			struct i40e_aq_get_phy_abilities_resp *abilities,
1576 			struct i40e_asq_cmd_details *cmd_details)
1577 {
1578 	struct i40e_aq_desc desc;
1579 	i40e_status status;
1580 	u16 abilities_size = sizeof(struct i40e_aq_get_phy_abilities_resp);
1581 	u16 max_delay = I40E_MAX_PHY_TIMEOUT, total_delay = 0;
1582 
1583 	if (!abilities)
1584 		return I40E_ERR_PARAM;
1585 
1586 	do {
1587 		i40e_fill_default_direct_cmd_desc(&desc,
1588 					       i40e_aqc_opc_get_phy_abilities);
1589 
1590 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
1591 		if (abilities_size > I40E_AQ_LARGE_BUF)
1592 			desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
1593 
1594 		if (qualified_modules)
1595 			desc.params.external.param0 |=
1596 			cpu_to_le32(I40E_AQ_PHY_REPORT_QUALIFIED_MODULES);
1597 
1598 		if (report_init)
1599 			desc.params.external.param0 |=
1600 			cpu_to_le32(I40E_AQ_PHY_REPORT_INITIAL_VALUES);
1601 
1602 		status = i40e_asq_send_command(hw, &desc, abilities,
1603 					       abilities_size, cmd_details);
1604 
1605 		if (status)
1606 			break;
1607 
1608 		if (hw->aq.asq_last_status == I40E_AQ_RC_EIO) {
1609 			status = I40E_ERR_UNKNOWN_PHY;
1610 			break;
1611 		} else if (hw->aq.asq_last_status == I40E_AQ_RC_EAGAIN) {
1612 			usleep_range(1000, 2000);
1613 			total_delay++;
1614 			status = I40E_ERR_TIMEOUT;
1615 		}
1616 	} while ((hw->aq.asq_last_status != I40E_AQ_RC_OK) &&
1617 		 (total_delay < max_delay));
1618 
1619 	if (status)
1620 		return status;
1621 
1622 	if (report_init) {
1623 		if (hw->mac.type ==  I40E_MAC_XL710 &&
1624 		    hw->aq.api_maj_ver == I40E_FW_API_VERSION_MAJOR &&
1625 		    hw->aq.api_min_ver >= I40E_MINOR_VER_GET_LINK_INFO_XL710) {
1626 			status = i40e_aq_get_link_info(hw, true, NULL, NULL);
1627 		} else {
1628 			hw->phy.phy_types = le32_to_cpu(abilities->phy_type);
1629 			hw->phy.phy_types |=
1630 					((u64)abilities->phy_type_ext << 32);
1631 		}
1632 	}
1633 
1634 	return status;
1635 }
1636 
1637 /**
1638  * i40e_aq_set_phy_config
1639  * @hw: pointer to the hw struct
1640  * @config: structure with PHY configuration to be set
1641  * @cmd_details: pointer to command details structure or NULL
1642  *
1643  * Set the various PHY configuration parameters
1644  * supported on the Port.One or more of the Set PHY config parameters may be
1645  * ignored in an MFP mode as the PF may not have the privilege to set some
1646  * of the PHY Config parameters. This status will be indicated by the
1647  * command response.
1648  **/
i40e_aq_set_phy_config(struct i40e_hw * hw,struct i40e_aq_set_phy_config * config,struct i40e_asq_cmd_details * cmd_details)1649 enum i40e_status_code i40e_aq_set_phy_config(struct i40e_hw *hw,
1650 				struct i40e_aq_set_phy_config *config,
1651 				struct i40e_asq_cmd_details *cmd_details)
1652 {
1653 	struct i40e_aq_desc desc;
1654 	struct i40e_aq_set_phy_config *cmd =
1655 			(struct i40e_aq_set_phy_config *)&desc.params.raw;
1656 	enum i40e_status_code status;
1657 
1658 	if (!config)
1659 		return I40E_ERR_PARAM;
1660 
1661 	i40e_fill_default_direct_cmd_desc(&desc,
1662 					  i40e_aqc_opc_set_phy_config);
1663 
1664 	*cmd = *config;
1665 
1666 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1667 
1668 	return status;
1669 }
1670 
1671 static noinline_for_stack enum i40e_status_code
i40e_set_fc_status(struct i40e_hw * hw,struct i40e_aq_get_phy_abilities_resp * abilities,bool atomic_restart)1672 i40e_set_fc_status(struct i40e_hw *hw,
1673 		   struct i40e_aq_get_phy_abilities_resp *abilities,
1674 		   bool atomic_restart)
1675 {
1676 	struct i40e_aq_set_phy_config config;
1677 	enum i40e_fc_mode fc_mode = hw->fc.requested_mode;
1678 	u8 pause_mask = 0x0;
1679 
1680 	switch (fc_mode) {
1681 	case I40E_FC_FULL:
1682 		pause_mask |= I40E_AQ_PHY_FLAG_PAUSE_TX;
1683 		pause_mask |= I40E_AQ_PHY_FLAG_PAUSE_RX;
1684 		break;
1685 	case I40E_FC_RX_PAUSE:
1686 		pause_mask |= I40E_AQ_PHY_FLAG_PAUSE_RX;
1687 		break;
1688 	case I40E_FC_TX_PAUSE:
1689 		pause_mask |= I40E_AQ_PHY_FLAG_PAUSE_TX;
1690 		break;
1691 	default:
1692 		break;
1693 	}
1694 
1695 	memset(&config, 0, sizeof(struct i40e_aq_set_phy_config));
1696 	/* clear the old pause settings */
1697 	config.abilities = abilities->abilities & ~(I40E_AQ_PHY_FLAG_PAUSE_TX) &
1698 			   ~(I40E_AQ_PHY_FLAG_PAUSE_RX);
1699 	/* set the new abilities */
1700 	config.abilities |= pause_mask;
1701 	/* If the abilities have changed, then set the new config */
1702 	if (config.abilities == abilities->abilities)
1703 		return 0;
1704 
1705 	/* Auto restart link so settings take effect */
1706 	if (atomic_restart)
1707 		config.abilities |= I40E_AQ_PHY_ENABLE_ATOMIC_LINK;
1708 	/* Copy over all the old settings */
1709 	config.phy_type = abilities->phy_type;
1710 	config.phy_type_ext = abilities->phy_type_ext;
1711 	config.link_speed = abilities->link_speed;
1712 	config.eee_capability = abilities->eee_capability;
1713 	config.eeer = abilities->eeer_val;
1714 	config.low_power_ctrl = abilities->d3_lpan;
1715 	config.fec_config = abilities->fec_cfg_curr_mod_ext_info &
1716 			    I40E_AQ_PHY_FEC_CONFIG_MASK;
1717 
1718 	return i40e_aq_set_phy_config(hw, &config, NULL);
1719 }
1720 
1721 /**
1722  * i40e_set_fc
1723  * @hw: pointer to the hw struct
1724  * @aq_failures: buffer to return AdminQ failure information
1725  * @atomic_restart: whether to enable atomic link restart
1726  *
1727  * Set the requested flow control mode using set_phy_config.
1728  **/
i40e_set_fc(struct i40e_hw * hw,u8 * aq_failures,bool atomic_restart)1729 enum i40e_status_code i40e_set_fc(struct i40e_hw *hw, u8 *aq_failures,
1730 				  bool atomic_restart)
1731 {
1732 	struct i40e_aq_get_phy_abilities_resp abilities;
1733 	enum i40e_status_code status;
1734 
1735 	*aq_failures = 0x0;
1736 
1737 	/* Get the current phy config */
1738 	status = i40e_aq_get_phy_capabilities(hw, false, false, &abilities,
1739 					      NULL);
1740 	if (status) {
1741 		*aq_failures |= I40E_SET_FC_AQ_FAIL_GET;
1742 		return status;
1743 	}
1744 
1745 	status = i40e_set_fc_status(hw, &abilities, atomic_restart);
1746 	if (status)
1747 		*aq_failures |= I40E_SET_FC_AQ_FAIL_SET;
1748 
1749 	/* Update the link info */
1750 	status = i40e_update_link_info(hw);
1751 	if (status) {
1752 		/* Wait a little bit (on 40G cards it sometimes takes a really
1753 		 * long time for link to come back from the atomic reset)
1754 		 * and try once more
1755 		 */
1756 		msleep(1000);
1757 		status = i40e_update_link_info(hw);
1758 	}
1759 	if (status)
1760 		*aq_failures |= I40E_SET_FC_AQ_FAIL_UPDATE;
1761 
1762 	return status;
1763 }
1764 
1765 /**
1766  * i40e_aq_clear_pxe_mode
1767  * @hw: pointer to the hw struct
1768  * @cmd_details: pointer to command details structure or NULL
1769  *
1770  * Tell the firmware that the driver is taking over from PXE
1771  **/
i40e_aq_clear_pxe_mode(struct i40e_hw * hw,struct i40e_asq_cmd_details * cmd_details)1772 i40e_status i40e_aq_clear_pxe_mode(struct i40e_hw *hw,
1773 				struct i40e_asq_cmd_details *cmd_details)
1774 {
1775 	i40e_status status;
1776 	struct i40e_aq_desc desc;
1777 	struct i40e_aqc_clear_pxe *cmd =
1778 		(struct i40e_aqc_clear_pxe *)&desc.params.raw;
1779 
1780 	i40e_fill_default_direct_cmd_desc(&desc,
1781 					  i40e_aqc_opc_clear_pxe_mode);
1782 
1783 	cmd->rx_cnt = 0x2;
1784 
1785 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1786 
1787 	wr32(hw, I40E_GLLAN_RCTL_0, 0x1);
1788 
1789 	return status;
1790 }
1791 
1792 /**
1793  * i40e_aq_set_link_restart_an
1794  * @hw: pointer to the hw struct
1795  * @enable_link: if true: enable link, if false: disable link
1796  * @cmd_details: pointer to command details structure or NULL
1797  *
1798  * Sets up the link and restarts the Auto-Negotiation over the link.
1799  **/
i40e_aq_set_link_restart_an(struct i40e_hw * hw,bool enable_link,struct i40e_asq_cmd_details * cmd_details)1800 i40e_status i40e_aq_set_link_restart_an(struct i40e_hw *hw,
1801 					bool enable_link,
1802 					struct i40e_asq_cmd_details *cmd_details)
1803 {
1804 	struct i40e_aq_desc desc;
1805 	struct i40e_aqc_set_link_restart_an *cmd =
1806 		(struct i40e_aqc_set_link_restart_an *)&desc.params.raw;
1807 	i40e_status status;
1808 
1809 	i40e_fill_default_direct_cmd_desc(&desc,
1810 					  i40e_aqc_opc_set_link_restart_an);
1811 
1812 	cmd->command = I40E_AQ_PHY_RESTART_AN;
1813 	if (enable_link)
1814 		cmd->command |= I40E_AQ_PHY_LINK_ENABLE;
1815 	else
1816 		cmd->command &= ~I40E_AQ_PHY_LINK_ENABLE;
1817 
1818 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1819 
1820 	return status;
1821 }
1822 
1823 /**
1824  * i40e_aq_get_link_info
1825  * @hw: pointer to the hw struct
1826  * @enable_lse: enable/disable LinkStatusEvent reporting
1827  * @link: pointer to link status structure - optional
1828  * @cmd_details: pointer to command details structure or NULL
1829  *
1830  * Returns the link status of the adapter.
1831  **/
i40e_aq_get_link_info(struct i40e_hw * hw,bool enable_lse,struct i40e_link_status * link,struct i40e_asq_cmd_details * cmd_details)1832 i40e_status i40e_aq_get_link_info(struct i40e_hw *hw,
1833 				bool enable_lse, struct i40e_link_status *link,
1834 				struct i40e_asq_cmd_details *cmd_details)
1835 {
1836 	struct i40e_aq_desc desc;
1837 	struct i40e_aqc_get_link_status *resp =
1838 		(struct i40e_aqc_get_link_status *)&desc.params.raw;
1839 	struct i40e_link_status *hw_link_info = &hw->phy.link_info;
1840 	i40e_status status;
1841 	bool tx_pause, rx_pause;
1842 	u16 command_flags;
1843 
1844 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_get_link_status);
1845 
1846 	if (enable_lse)
1847 		command_flags = I40E_AQ_LSE_ENABLE;
1848 	else
1849 		command_flags = I40E_AQ_LSE_DISABLE;
1850 	resp->command_flags = cpu_to_le16(command_flags);
1851 
1852 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1853 
1854 	if (status)
1855 		goto aq_get_link_info_exit;
1856 
1857 	/* save off old link status information */
1858 	hw->phy.link_info_old = *hw_link_info;
1859 
1860 	/* update link status */
1861 	hw_link_info->phy_type = (enum i40e_aq_phy_type)resp->phy_type;
1862 	hw->phy.media_type = i40e_get_media_type(hw);
1863 	hw_link_info->link_speed = (enum i40e_aq_link_speed)resp->link_speed;
1864 	hw_link_info->link_info = resp->link_info;
1865 	hw_link_info->an_info = resp->an_info;
1866 	hw_link_info->fec_info = resp->config & (I40E_AQ_CONFIG_FEC_KR_ENA |
1867 						 I40E_AQ_CONFIG_FEC_RS_ENA);
1868 	hw_link_info->ext_info = resp->ext_info;
1869 	hw_link_info->loopback = resp->loopback & I40E_AQ_LOOPBACK_MASK;
1870 	hw_link_info->max_frame_size = le16_to_cpu(resp->max_frame_size);
1871 	hw_link_info->pacing = resp->config & I40E_AQ_CONFIG_PACING_MASK;
1872 
1873 	/* update fc info */
1874 	tx_pause = !!(resp->an_info & I40E_AQ_LINK_PAUSE_TX);
1875 	rx_pause = !!(resp->an_info & I40E_AQ_LINK_PAUSE_RX);
1876 	if (tx_pause & rx_pause)
1877 		hw->fc.current_mode = I40E_FC_FULL;
1878 	else if (tx_pause)
1879 		hw->fc.current_mode = I40E_FC_TX_PAUSE;
1880 	else if (rx_pause)
1881 		hw->fc.current_mode = I40E_FC_RX_PAUSE;
1882 	else
1883 		hw->fc.current_mode = I40E_FC_NONE;
1884 
1885 	if (resp->config & I40E_AQ_CONFIG_CRC_ENA)
1886 		hw_link_info->crc_enable = true;
1887 	else
1888 		hw_link_info->crc_enable = false;
1889 
1890 	if (resp->command_flags & cpu_to_le16(I40E_AQ_LSE_IS_ENABLED))
1891 		hw_link_info->lse_enable = true;
1892 	else
1893 		hw_link_info->lse_enable = false;
1894 
1895 	if ((hw->mac.type == I40E_MAC_XL710) &&
1896 	    (hw->aq.fw_maj_ver < 4 || (hw->aq.fw_maj_ver == 4 &&
1897 	     hw->aq.fw_min_ver < 40)) && hw_link_info->phy_type == 0xE)
1898 		hw_link_info->phy_type = I40E_PHY_TYPE_10GBASE_SFPP_CU;
1899 
1900 	if (hw->aq.api_maj_ver == I40E_FW_API_VERSION_MAJOR &&
1901 	    hw->aq.api_min_ver >= 7) {
1902 		__le32 tmp;
1903 
1904 		memcpy(&tmp, resp->link_type, sizeof(tmp));
1905 		hw->phy.phy_types = le32_to_cpu(tmp);
1906 		hw->phy.phy_types |= ((u64)resp->link_type_ext << 32);
1907 	}
1908 
1909 	/* save link status information */
1910 	if (link)
1911 		*link = *hw_link_info;
1912 
1913 	/* flag cleared so helper functions don't call AQ again */
1914 	hw->phy.get_link_info = false;
1915 
1916 aq_get_link_info_exit:
1917 	return status;
1918 }
1919 
1920 /**
1921  * i40e_aq_set_phy_int_mask
1922  * @hw: pointer to the hw struct
1923  * @mask: interrupt mask to be set
1924  * @cmd_details: pointer to command details structure or NULL
1925  *
1926  * Set link interrupt mask.
1927  **/
i40e_aq_set_phy_int_mask(struct i40e_hw * hw,u16 mask,struct i40e_asq_cmd_details * cmd_details)1928 i40e_status i40e_aq_set_phy_int_mask(struct i40e_hw *hw,
1929 				     u16 mask,
1930 				     struct i40e_asq_cmd_details *cmd_details)
1931 {
1932 	struct i40e_aq_desc desc;
1933 	struct i40e_aqc_set_phy_int_mask *cmd =
1934 		(struct i40e_aqc_set_phy_int_mask *)&desc.params.raw;
1935 	i40e_status status;
1936 
1937 	i40e_fill_default_direct_cmd_desc(&desc,
1938 					  i40e_aqc_opc_set_phy_int_mask);
1939 
1940 	cmd->event_mask = cpu_to_le16(mask);
1941 
1942 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1943 
1944 	return status;
1945 }
1946 
1947 /**
1948  * i40e_aq_set_phy_debug
1949  * @hw: pointer to the hw struct
1950  * @cmd_flags: debug command flags
1951  * @cmd_details: pointer to command details structure or NULL
1952  *
1953  * Reset the external PHY.
1954  **/
i40e_aq_set_phy_debug(struct i40e_hw * hw,u8 cmd_flags,struct i40e_asq_cmd_details * cmd_details)1955 i40e_status i40e_aq_set_phy_debug(struct i40e_hw *hw, u8 cmd_flags,
1956 				  struct i40e_asq_cmd_details *cmd_details)
1957 {
1958 	struct i40e_aq_desc desc;
1959 	struct i40e_aqc_set_phy_debug *cmd =
1960 		(struct i40e_aqc_set_phy_debug *)&desc.params.raw;
1961 	i40e_status status;
1962 
1963 	i40e_fill_default_direct_cmd_desc(&desc,
1964 					  i40e_aqc_opc_set_phy_debug);
1965 
1966 	cmd->command_flags = cmd_flags;
1967 
1968 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1969 
1970 	return status;
1971 }
1972 
1973 /**
1974  * i40e_is_aq_api_ver_ge
1975  * @aq: pointer to AdminQ info containing HW API version to compare
1976  * @maj: API major value
1977  * @min: API minor value
1978  *
1979  * Assert whether current HW API version is greater/equal than provided.
1980  **/
i40e_is_aq_api_ver_ge(struct i40e_adminq_info * aq,u16 maj,u16 min)1981 static bool i40e_is_aq_api_ver_ge(struct i40e_adminq_info *aq, u16 maj,
1982 				  u16 min)
1983 {
1984 	return (aq->api_maj_ver > maj ||
1985 		(aq->api_maj_ver == maj && aq->api_min_ver >= min));
1986 }
1987 
1988 /**
1989  * i40e_aq_add_vsi
1990  * @hw: pointer to the hw struct
1991  * @vsi_ctx: pointer to a vsi context struct
1992  * @cmd_details: pointer to command details structure or NULL
1993  *
1994  * Add a VSI context to the hardware.
1995 **/
i40e_aq_add_vsi(struct i40e_hw * hw,struct i40e_vsi_context * vsi_ctx,struct i40e_asq_cmd_details * cmd_details)1996 i40e_status i40e_aq_add_vsi(struct i40e_hw *hw,
1997 				struct i40e_vsi_context *vsi_ctx,
1998 				struct i40e_asq_cmd_details *cmd_details)
1999 {
2000 	struct i40e_aq_desc desc;
2001 	struct i40e_aqc_add_get_update_vsi *cmd =
2002 		(struct i40e_aqc_add_get_update_vsi *)&desc.params.raw;
2003 	struct i40e_aqc_add_get_update_vsi_completion *resp =
2004 		(struct i40e_aqc_add_get_update_vsi_completion *)
2005 		&desc.params.raw;
2006 	i40e_status status;
2007 
2008 	i40e_fill_default_direct_cmd_desc(&desc,
2009 					  i40e_aqc_opc_add_vsi);
2010 
2011 	cmd->uplink_seid = cpu_to_le16(vsi_ctx->uplink_seid);
2012 	cmd->connection_type = vsi_ctx->connection_type;
2013 	cmd->vf_id = vsi_ctx->vf_num;
2014 	cmd->vsi_flags = cpu_to_le16(vsi_ctx->flags);
2015 
2016 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
2017 
2018 	status = i40e_asq_send_command(hw, &desc, &vsi_ctx->info,
2019 				    sizeof(vsi_ctx->info), cmd_details);
2020 
2021 	if (status)
2022 		goto aq_add_vsi_exit;
2023 
2024 	vsi_ctx->seid = le16_to_cpu(resp->seid);
2025 	vsi_ctx->vsi_number = le16_to_cpu(resp->vsi_number);
2026 	vsi_ctx->vsis_allocated = le16_to_cpu(resp->vsi_used);
2027 	vsi_ctx->vsis_unallocated = le16_to_cpu(resp->vsi_free);
2028 
2029 aq_add_vsi_exit:
2030 	return status;
2031 }
2032 
2033 /**
2034  * i40e_aq_set_default_vsi
2035  * @hw: pointer to the hw struct
2036  * @seid: vsi number
2037  * @cmd_details: pointer to command details structure or NULL
2038  **/
i40e_aq_set_default_vsi(struct i40e_hw * hw,u16 seid,struct i40e_asq_cmd_details * cmd_details)2039 i40e_status i40e_aq_set_default_vsi(struct i40e_hw *hw,
2040 				    u16 seid,
2041 				    struct i40e_asq_cmd_details *cmd_details)
2042 {
2043 	struct i40e_aq_desc desc;
2044 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
2045 		(struct i40e_aqc_set_vsi_promiscuous_modes *)
2046 		&desc.params.raw;
2047 	i40e_status status;
2048 
2049 	i40e_fill_default_direct_cmd_desc(&desc,
2050 					  i40e_aqc_opc_set_vsi_promiscuous_modes);
2051 
2052 	cmd->promiscuous_flags = cpu_to_le16(I40E_AQC_SET_VSI_DEFAULT);
2053 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_DEFAULT);
2054 	cmd->seid = cpu_to_le16(seid);
2055 
2056 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2057 
2058 	return status;
2059 }
2060 
2061 /**
2062  * i40e_aq_clear_default_vsi
2063  * @hw: pointer to the hw struct
2064  * @seid: vsi number
2065  * @cmd_details: pointer to command details structure or NULL
2066  **/
i40e_aq_clear_default_vsi(struct i40e_hw * hw,u16 seid,struct i40e_asq_cmd_details * cmd_details)2067 i40e_status i40e_aq_clear_default_vsi(struct i40e_hw *hw,
2068 				      u16 seid,
2069 				      struct i40e_asq_cmd_details *cmd_details)
2070 {
2071 	struct i40e_aq_desc desc;
2072 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
2073 		(struct i40e_aqc_set_vsi_promiscuous_modes *)
2074 		&desc.params.raw;
2075 	i40e_status status;
2076 
2077 	i40e_fill_default_direct_cmd_desc(&desc,
2078 					  i40e_aqc_opc_set_vsi_promiscuous_modes);
2079 
2080 	cmd->promiscuous_flags = cpu_to_le16(0);
2081 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_DEFAULT);
2082 	cmd->seid = cpu_to_le16(seid);
2083 
2084 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2085 
2086 	return status;
2087 }
2088 
2089 /**
2090  * i40e_aq_set_vsi_unicast_promiscuous
2091  * @hw: pointer to the hw struct
2092  * @seid: vsi number
2093  * @set: set unicast promiscuous enable/disable
2094  * @cmd_details: pointer to command details structure or NULL
2095  * @rx_only_promisc: flag to decide if egress traffic gets mirrored in promisc
2096  **/
i40e_aq_set_vsi_unicast_promiscuous(struct i40e_hw * hw,u16 seid,bool set,struct i40e_asq_cmd_details * cmd_details,bool rx_only_promisc)2097 i40e_status i40e_aq_set_vsi_unicast_promiscuous(struct i40e_hw *hw,
2098 				u16 seid, bool set,
2099 				struct i40e_asq_cmd_details *cmd_details,
2100 				bool rx_only_promisc)
2101 {
2102 	struct i40e_aq_desc desc;
2103 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
2104 		(struct i40e_aqc_set_vsi_promiscuous_modes *)&desc.params.raw;
2105 	i40e_status status;
2106 	u16 flags = 0;
2107 
2108 	i40e_fill_default_direct_cmd_desc(&desc,
2109 					i40e_aqc_opc_set_vsi_promiscuous_modes);
2110 
2111 	if (set) {
2112 		flags |= I40E_AQC_SET_VSI_PROMISC_UNICAST;
2113 		if (rx_only_promisc && i40e_is_aq_api_ver_ge(&hw->aq, 1, 5))
2114 			flags |= I40E_AQC_SET_VSI_PROMISC_RX_ONLY;
2115 	}
2116 
2117 	cmd->promiscuous_flags = cpu_to_le16(flags);
2118 
2119 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_UNICAST);
2120 	if (i40e_is_aq_api_ver_ge(&hw->aq, 1, 5))
2121 		cmd->valid_flags |=
2122 			cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_RX_ONLY);
2123 
2124 	cmd->seid = cpu_to_le16(seid);
2125 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2126 
2127 	return status;
2128 }
2129 
2130 /**
2131  * i40e_aq_set_vsi_multicast_promiscuous
2132  * @hw: pointer to the hw struct
2133  * @seid: vsi number
2134  * @set: set multicast promiscuous enable/disable
2135  * @cmd_details: pointer to command details structure or NULL
2136  **/
i40e_aq_set_vsi_multicast_promiscuous(struct i40e_hw * hw,u16 seid,bool set,struct i40e_asq_cmd_details * cmd_details)2137 i40e_status i40e_aq_set_vsi_multicast_promiscuous(struct i40e_hw *hw,
2138 				u16 seid, bool set, struct i40e_asq_cmd_details *cmd_details)
2139 {
2140 	struct i40e_aq_desc desc;
2141 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
2142 		(struct i40e_aqc_set_vsi_promiscuous_modes *)&desc.params.raw;
2143 	i40e_status status;
2144 	u16 flags = 0;
2145 
2146 	i40e_fill_default_direct_cmd_desc(&desc,
2147 					i40e_aqc_opc_set_vsi_promiscuous_modes);
2148 
2149 	if (set)
2150 		flags |= I40E_AQC_SET_VSI_PROMISC_MULTICAST;
2151 
2152 	cmd->promiscuous_flags = cpu_to_le16(flags);
2153 
2154 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_MULTICAST);
2155 
2156 	cmd->seid = cpu_to_le16(seid);
2157 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2158 
2159 	return status;
2160 }
2161 
2162 /**
2163  * i40e_aq_set_vsi_mc_promisc_on_vlan
2164  * @hw: pointer to the hw struct
2165  * @seid: vsi number
2166  * @enable: set MAC L2 layer unicast promiscuous enable/disable for a given VLAN
2167  * @vid: The VLAN tag filter - capture any multicast packet with this VLAN tag
2168  * @cmd_details: pointer to command details structure or NULL
2169  **/
i40e_aq_set_vsi_mc_promisc_on_vlan(struct i40e_hw * hw,u16 seid,bool enable,u16 vid,struct i40e_asq_cmd_details * cmd_details)2170 enum i40e_status_code i40e_aq_set_vsi_mc_promisc_on_vlan(struct i40e_hw *hw,
2171 							 u16 seid, bool enable,
2172 							 u16 vid,
2173 				struct i40e_asq_cmd_details *cmd_details)
2174 {
2175 	struct i40e_aq_desc desc;
2176 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
2177 		(struct i40e_aqc_set_vsi_promiscuous_modes *)&desc.params.raw;
2178 	enum i40e_status_code status;
2179 	u16 flags = 0;
2180 
2181 	i40e_fill_default_direct_cmd_desc(&desc,
2182 					  i40e_aqc_opc_set_vsi_promiscuous_modes);
2183 
2184 	if (enable)
2185 		flags |= I40E_AQC_SET_VSI_PROMISC_MULTICAST;
2186 
2187 	cmd->promiscuous_flags = cpu_to_le16(flags);
2188 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_MULTICAST);
2189 	cmd->seid = cpu_to_le16(seid);
2190 	cmd->vlan_tag = cpu_to_le16(vid | I40E_AQC_SET_VSI_VLAN_VALID);
2191 
2192 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2193 
2194 	return status;
2195 }
2196 
2197 /**
2198  * i40e_aq_set_vsi_uc_promisc_on_vlan
2199  * @hw: pointer to the hw struct
2200  * @seid: vsi number
2201  * @enable: set MAC L2 layer unicast promiscuous enable/disable for a given VLAN
2202  * @vid: The VLAN tag filter - capture any unicast packet with this VLAN tag
2203  * @cmd_details: pointer to command details structure or NULL
2204  **/
i40e_aq_set_vsi_uc_promisc_on_vlan(struct i40e_hw * hw,u16 seid,bool enable,u16 vid,struct i40e_asq_cmd_details * cmd_details)2205 enum i40e_status_code i40e_aq_set_vsi_uc_promisc_on_vlan(struct i40e_hw *hw,
2206 							 u16 seid, bool enable,
2207 							 u16 vid,
2208 				struct i40e_asq_cmd_details *cmd_details)
2209 {
2210 	struct i40e_aq_desc desc;
2211 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
2212 		(struct i40e_aqc_set_vsi_promiscuous_modes *)&desc.params.raw;
2213 	enum i40e_status_code status;
2214 	u16 flags = 0;
2215 
2216 	i40e_fill_default_direct_cmd_desc(&desc,
2217 					  i40e_aqc_opc_set_vsi_promiscuous_modes);
2218 
2219 	if (enable) {
2220 		flags |= I40E_AQC_SET_VSI_PROMISC_UNICAST;
2221 		if (i40e_is_aq_api_ver_ge(&hw->aq, 1, 5))
2222 			flags |= I40E_AQC_SET_VSI_PROMISC_RX_ONLY;
2223 	}
2224 
2225 	cmd->promiscuous_flags = cpu_to_le16(flags);
2226 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_UNICAST);
2227 	if (i40e_is_aq_api_ver_ge(&hw->aq, 1, 5))
2228 		cmd->valid_flags |=
2229 			cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_RX_ONLY);
2230 	cmd->seid = cpu_to_le16(seid);
2231 	cmd->vlan_tag = cpu_to_le16(vid | I40E_AQC_SET_VSI_VLAN_VALID);
2232 
2233 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2234 
2235 	return status;
2236 }
2237 
2238 /**
2239  * i40e_aq_set_vsi_bc_promisc_on_vlan
2240  * @hw: pointer to the hw struct
2241  * @seid: vsi number
2242  * @enable: set broadcast promiscuous enable/disable for a given VLAN
2243  * @vid: The VLAN tag filter - capture any broadcast packet with this VLAN tag
2244  * @cmd_details: pointer to command details structure or NULL
2245  **/
i40e_aq_set_vsi_bc_promisc_on_vlan(struct i40e_hw * hw,u16 seid,bool enable,u16 vid,struct i40e_asq_cmd_details * cmd_details)2246 i40e_status i40e_aq_set_vsi_bc_promisc_on_vlan(struct i40e_hw *hw,
2247 				u16 seid, bool enable, u16 vid,
2248 				struct i40e_asq_cmd_details *cmd_details)
2249 {
2250 	struct i40e_aq_desc desc;
2251 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
2252 		(struct i40e_aqc_set_vsi_promiscuous_modes *)&desc.params.raw;
2253 	i40e_status status;
2254 	u16 flags = 0;
2255 
2256 	i40e_fill_default_direct_cmd_desc(&desc,
2257 					i40e_aqc_opc_set_vsi_promiscuous_modes);
2258 
2259 	if (enable)
2260 		flags |= I40E_AQC_SET_VSI_PROMISC_BROADCAST;
2261 
2262 	cmd->promiscuous_flags = cpu_to_le16(flags);
2263 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_BROADCAST);
2264 	cmd->seid = cpu_to_le16(seid);
2265 	cmd->vlan_tag = cpu_to_le16(vid | I40E_AQC_SET_VSI_VLAN_VALID);
2266 
2267 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2268 
2269 	return status;
2270 }
2271 
2272 /**
2273  * i40e_aq_set_vsi_broadcast
2274  * @hw: pointer to the hw struct
2275  * @seid: vsi number
2276  * @set_filter: true to set filter, false to clear filter
2277  * @cmd_details: pointer to command details structure or NULL
2278  *
2279  * Set or clear the broadcast promiscuous flag (filter) for a given VSI.
2280  **/
i40e_aq_set_vsi_broadcast(struct i40e_hw * hw,u16 seid,bool set_filter,struct i40e_asq_cmd_details * cmd_details)2281 i40e_status i40e_aq_set_vsi_broadcast(struct i40e_hw *hw,
2282 				u16 seid, bool set_filter,
2283 				struct i40e_asq_cmd_details *cmd_details)
2284 {
2285 	struct i40e_aq_desc desc;
2286 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
2287 		(struct i40e_aqc_set_vsi_promiscuous_modes *)&desc.params.raw;
2288 	i40e_status status;
2289 
2290 	i40e_fill_default_direct_cmd_desc(&desc,
2291 					i40e_aqc_opc_set_vsi_promiscuous_modes);
2292 
2293 	if (set_filter)
2294 		cmd->promiscuous_flags
2295 			    |= cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_BROADCAST);
2296 	else
2297 		cmd->promiscuous_flags
2298 			    &= cpu_to_le16(~I40E_AQC_SET_VSI_PROMISC_BROADCAST);
2299 
2300 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_BROADCAST);
2301 	cmd->seid = cpu_to_le16(seid);
2302 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2303 
2304 	return status;
2305 }
2306 
2307 /**
2308  * i40e_aq_set_vsi_vlan_promisc - control the VLAN promiscuous setting
2309  * @hw: pointer to the hw struct
2310  * @seid: vsi number
2311  * @enable: set MAC L2 layer unicast promiscuous enable/disable for a given VLAN
2312  * @cmd_details: pointer to command details structure or NULL
2313  **/
i40e_aq_set_vsi_vlan_promisc(struct i40e_hw * hw,u16 seid,bool enable,struct i40e_asq_cmd_details * cmd_details)2314 i40e_status i40e_aq_set_vsi_vlan_promisc(struct i40e_hw *hw,
2315 				       u16 seid, bool enable,
2316 				       struct i40e_asq_cmd_details *cmd_details)
2317 {
2318 	struct i40e_aq_desc desc;
2319 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
2320 		(struct i40e_aqc_set_vsi_promiscuous_modes *)&desc.params.raw;
2321 	i40e_status status;
2322 	u16 flags = 0;
2323 
2324 	i40e_fill_default_direct_cmd_desc(&desc,
2325 					i40e_aqc_opc_set_vsi_promiscuous_modes);
2326 	if (enable)
2327 		flags |= I40E_AQC_SET_VSI_PROMISC_VLAN;
2328 
2329 	cmd->promiscuous_flags = cpu_to_le16(flags);
2330 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_VLAN);
2331 	cmd->seid = cpu_to_le16(seid);
2332 
2333 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2334 
2335 	return status;
2336 }
2337 
2338 /**
2339  * i40e_get_vsi_params - get VSI configuration info
2340  * @hw: pointer to the hw struct
2341  * @vsi_ctx: pointer to a vsi context struct
2342  * @cmd_details: pointer to command details structure or NULL
2343  **/
i40e_aq_get_vsi_params(struct i40e_hw * hw,struct i40e_vsi_context * vsi_ctx,struct i40e_asq_cmd_details * cmd_details)2344 i40e_status i40e_aq_get_vsi_params(struct i40e_hw *hw,
2345 				struct i40e_vsi_context *vsi_ctx,
2346 				struct i40e_asq_cmd_details *cmd_details)
2347 {
2348 	struct i40e_aq_desc desc;
2349 	struct i40e_aqc_add_get_update_vsi *cmd =
2350 		(struct i40e_aqc_add_get_update_vsi *)&desc.params.raw;
2351 	struct i40e_aqc_add_get_update_vsi_completion *resp =
2352 		(struct i40e_aqc_add_get_update_vsi_completion *)
2353 		&desc.params.raw;
2354 	i40e_status status;
2355 
2356 	i40e_fill_default_direct_cmd_desc(&desc,
2357 					  i40e_aqc_opc_get_vsi_parameters);
2358 
2359 	cmd->uplink_seid = cpu_to_le16(vsi_ctx->seid);
2360 
2361 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
2362 
2363 	status = i40e_asq_send_command(hw, &desc, &vsi_ctx->info,
2364 				    sizeof(vsi_ctx->info), NULL);
2365 
2366 	if (status)
2367 		goto aq_get_vsi_params_exit;
2368 
2369 	vsi_ctx->seid = le16_to_cpu(resp->seid);
2370 	vsi_ctx->vsi_number = le16_to_cpu(resp->vsi_number);
2371 	vsi_ctx->vsis_allocated = le16_to_cpu(resp->vsi_used);
2372 	vsi_ctx->vsis_unallocated = le16_to_cpu(resp->vsi_free);
2373 
2374 aq_get_vsi_params_exit:
2375 	return status;
2376 }
2377 
2378 /**
2379  * i40e_aq_update_vsi_params
2380  * @hw: pointer to the hw struct
2381  * @vsi_ctx: pointer to a vsi context struct
2382  * @cmd_details: pointer to command details structure or NULL
2383  *
2384  * Update a VSI context.
2385  **/
i40e_aq_update_vsi_params(struct i40e_hw * hw,struct i40e_vsi_context * vsi_ctx,struct i40e_asq_cmd_details * cmd_details)2386 i40e_status i40e_aq_update_vsi_params(struct i40e_hw *hw,
2387 				struct i40e_vsi_context *vsi_ctx,
2388 				struct i40e_asq_cmd_details *cmd_details)
2389 {
2390 	struct i40e_aq_desc desc;
2391 	struct i40e_aqc_add_get_update_vsi *cmd =
2392 		(struct i40e_aqc_add_get_update_vsi *)&desc.params.raw;
2393 	struct i40e_aqc_add_get_update_vsi_completion *resp =
2394 		(struct i40e_aqc_add_get_update_vsi_completion *)
2395 		&desc.params.raw;
2396 	i40e_status status;
2397 
2398 	i40e_fill_default_direct_cmd_desc(&desc,
2399 					  i40e_aqc_opc_update_vsi_parameters);
2400 	cmd->uplink_seid = cpu_to_le16(vsi_ctx->seid);
2401 
2402 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
2403 
2404 	status = i40e_asq_send_command(hw, &desc, &vsi_ctx->info,
2405 				    sizeof(vsi_ctx->info), cmd_details);
2406 
2407 	vsi_ctx->vsis_allocated = le16_to_cpu(resp->vsi_used);
2408 	vsi_ctx->vsis_unallocated = le16_to_cpu(resp->vsi_free);
2409 
2410 	return status;
2411 }
2412 
2413 /**
2414  * i40e_aq_get_switch_config
2415  * @hw: pointer to the hardware structure
2416  * @buf: pointer to the result buffer
2417  * @buf_size: length of input buffer
2418  * @start_seid: seid to start for the report, 0 == beginning
2419  * @cmd_details: pointer to command details structure or NULL
2420  *
2421  * Fill the buf with switch configuration returned from AdminQ command
2422  **/
i40e_aq_get_switch_config(struct i40e_hw * hw,struct i40e_aqc_get_switch_config_resp * buf,u16 buf_size,u16 * start_seid,struct i40e_asq_cmd_details * cmd_details)2423 i40e_status i40e_aq_get_switch_config(struct i40e_hw *hw,
2424 				struct i40e_aqc_get_switch_config_resp *buf,
2425 				u16 buf_size, u16 *start_seid,
2426 				struct i40e_asq_cmd_details *cmd_details)
2427 {
2428 	struct i40e_aq_desc desc;
2429 	struct i40e_aqc_switch_seid *scfg =
2430 		(struct i40e_aqc_switch_seid *)&desc.params.raw;
2431 	i40e_status status;
2432 
2433 	i40e_fill_default_direct_cmd_desc(&desc,
2434 					  i40e_aqc_opc_get_switch_config);
2435 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
2436 	if (buf_size > I40E_AQ_LARGE_BUF)
2437 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
2438 	scfg->seid = cpu_to_le16(*start_seid);
2439 
2440 	status = i40e_asq_send_command(hw, &desc, buf, buf_size, cmd_details);
2441 	*start_seid = le16_to_cpu(scfg->seid);
2442 
2443 	return status;
2444 }
2445 
2446 /**
2447  * i40e_aq_set_switch_config
2448  * @hw: pointer to the hardware structure
2449  * @flags: bit flag values to set
2450  * @mode: cloud filter mode
2451  * @valid_flags: which bit flags to set
2452  * @mode: cloud filter mode
2453  * @cmd_details: pointer to command details structure or NULL
2454  *
2455  * Set switch configuration bits
2456  **/
i40e_aq_set_switch_config(struct i40e_hw * hw,u16 flags,u16 valid_flags,u8 mode,struct i40e_asq_cmd_details * cmd_details)2457 enum i40e_status_code i40e_aq_set_switch_config(struct i40e_hw *hw,
2458 						u16 flags,
2459 						u16 valid_flags, u8 mode,
2460 				struct i40e_asq_cmd_details *cmd_details)
2461 {
2462 	struct i40e_aq_desc desc;
2463 	struct i40e_aqc_set_switch_config *scfg =
2464 		(struct i40e_aqc_set_switch_config *)&desc.params.raw;
2465 	enum i40e_status_code status;
2466 
2467 	i40e_fill_default_direct_cmd_desc(&desc,
2468 					  i40e_aqc_opc_set_switch_config);
2469 	scfg->flags = cpu_to_le16(flags);
2470 	scfg->valid_flags = cpu_to_le16(valid_flags);
2471 	scfg->mode = mode;
2472 	if (hw->flags & I40E_HW_FLAG_802_1AD_CAPABLE) {
2473 		scfg->switch_tag = cpu_to_le16(hw->switch_tag);
2474 		scfg->first_tag = cpu_to_le16(hw->first_tag);
2475 		scfg->second_tag = cpu_to_le16(hw->second_tag);
2476 	}
2477 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2478 
2479 	return status;
2480 }
2481 
2482 /**
2483  * i40e_aq_get_firmware_version
2484  * @hw: pointer to the hw struct
2485  * @fw_major_version: firmware major version
2486  * @fw_minor_version: firmware minor version
2487  * @fw_build: firmware build number
2488  * @api_major_version: major queue version
2489  * @api_minor_version: minor queue version
2490  * @cmd_details: pointer to command details structure or NULL
2491  *
2492  * Get the firmware version from the admin queue commands
2493  **/
i40e_aq_get_firmware_version(struct i40e_hw * hw,u16 * fw_major_version,u16 * fw_minor_version,u32 * fw_build,u16 * api_major_version,u16 * api_minor_version,struct i40e_asq_cmd_details * cmd_details)2494 i40e_status i40e_aq_get_firmware_version(struct i40e_hw *hw,
2495 				u16 *fw_major_version, u16 *fw_minor_version,
2496 				u32 *fw_build,
2497 				u16 *api_major_version, u16 *api_minor_version,
2498 				struct i40e_asq_cmd_details *cmd_details)
2499 {
2500 	struct i40e_aq_desc desc;
2501 	struct i40e_aqc_get_version *resp =
2502 		(struct i40e_aqc_get_version *)&desc.params.raw;
2503 	i40e_status status;
2504 
2505 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_get_version);
2506 
2507 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2508 
2509 	if (!status) {
2510 		if (fw_major_version)
2511 			*fw_major_version = le16_to_cpu(resp->fw_major);
2512 		if (fw_minor_version)
2513 			*fw_minor_version = le16_to_cpu(resp->fw_minor);
2514 		if (fw_build)
2515 			*fw_build = le32_to_cpu(resp->fw_build);
2516 		if (api_major_version)
2517 			*api_major_version = le16_to_cpu(resp->api_major);
2518 		if (api_minor_version)
2519 			*api_minor_version = le16_to_cpu(resp->api_minor);
2520 	}
2521 
2522 	return status;
2523 }
2524 
2525 /**
2526  * i40e_aq_send_driver_version
2527  * @hw: pointer to the hw struct
2528  * @dv: driver's major, minor version
2529  * @cmd_details: pointer to command details structure or NULL
2530  *
2531  * Send the driver version to the firmware
2532  **/
i40e_aq_send_driver_version(struct i40e_hw * hw,struct i40e_driver_version * dv,struct i40e_asq_cmd_details * cmd_details)2533 i40e_status i40e_aq_send_driver_version(struct i40e_hw *hw,
2534 				struct i40e_driver_version *dv,
2535 				struct i40e_asq_cmd_details *cmd_details)
2536 {
2537 	struct i40e_aq_desc desc;
2538 	struct i40e_aqc_driver_version *cmd =
2539 		(struct i40e_aqc_driver_version *)&desc.params.raw;
2540 	i40e_status status;
2541 	u16 len;
2542 
2543 	if (dv == NULL)
2544 		return I40E_ERR_PARAM;
2545 
2546 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_driver_version);
2547 
2548 	desc.flags |= cpu_to_le16(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD);
2549 	cmd->driver_major_ver = dv->major_version;
2550 	cmd->driver_minor_ver = dv->minor_version;
2551 	cmd->driver_build_ver = dv->build_version;
2552 	cmd->driver_subbuild_ver = dv->subbuild_version;
2553 
2554 	len = 0;
2555 	while (len < sizeof(dv->driver_string) &&
2556 	       (dv->driver_string[len] < 0x80) &&
2557 	       dv->driver_string[len])
2558 		len++;
2559 	status = i40e_asq_send_command(hw, &desc, dv->driver_string,
2560 				       len, cmd_details);
2561 
2562 	return status;
2563 }
2564 
2565 /**
2566  * i40e_get_link_status - get status of the HW network link
2567  * @hw: pointer to the hw struct
2568  * @link_up: pointer to bool (true/false = linkup/linkdown)
2569  *
2570  * Variable link_up true if link is up, false if link is down.
2571  * The variable link_up is invalid if returned value of status != 0
2572  *
2573  * Side effect: LinkStatusEvent reporting becomes enabled
2574  **/
i40e_get_link_status(struct i40e_hw * hw,bool * link_up)2575 i40e_status i40e_get_link_status(struct i40e_hw *hw, bool *link_up)
2576 {
2577 	i40e_status status = 0;
2578 
2579 	if (hw->phy.get_link_info) {
2580 		status = i40e_update_link_info(hw);
2581 
2582 		if (status)
2583 			i40e_debug(hw, I40E_DEBUG_LINK, "get link failed: status %d\n",
2584 				   status);
2585 	}
2586 
2587 	*link_up = hw->phy.link_info.link_info & I40E_AQ_LINK_UP;
2588 
2589 	return status;
2590 }
2591 
2592 /**
2593  * i40e_updatelink_status - update status of the HW network link
2594  * @hw: pointer to the hw struct
2595  **/
i40e_update_link_info(struct i40e_hw * hw)2596 noinline_for_stack i40e_status i40e_update_link_info(struct i40e_hw *hw)
2597 {
2598 	struct i40e_aq_get_phy_abilities_resp abilities;
2599 	i40e_status status = 0;
2600 
2601 	status = i40e_aq_get_link_info(hw, true, NULL, NULL);
2602 	if (status)
2603 		return status;
2604 
2605 	/* extra checking needed to ensure link info to user is timely */
2606 	if ((hw->phy.link_info.link_info & I40E_AQ_MEDIA_AVAILABLE) &&
2607 	    ((hw->phy.link_info.link_info & I40E_AQ_LINK_UP) ||
2608 	     !(hw->phy.link_info_old.link_info & I40E_AQ_LINK_UP))) {
2609 		status = i40e_aq_get_phy_capabilities(hw, false, false,
2610 						      &abilities, NULL);
2611 		if (status)
2612 			return status;
2613 
2614 		hw->phy.link_info.req_fec_info =
2615 			abilities.fec_cfg_curr_mod_ext_info &
2616 			(I40E_AQ_REQUEST_FEC_KR | I40E_AQ_REQUEST_FEC_RS);
2617 
2618 		memcpy(hw->phy.link_info.module_type, &abilities.module_type,
2619 		       sizeof(hw->phy.link_info.module_type));
2620 	}
2621 
2622 	return status;
2623 }
2624 
2625 /**
2626  * i40e_aq_add_veb - Insert a VEB between the VSI and the MAC
2627  * @hw: pointer to the hw struct
2628  * @uplink_seid: the MAC or other gizmo SEID
2629  * @downlink_seid: the VSI SEID
2630  * @enabled_tc: bitmap of TCs to be enabled
2631  * @default_port: true for default port VSI, false for control port
2632  * @veb_seid: pointer to where to put the resulting VEB SEID
2633  * @enable_stats: true to turn on VEB stats
2634  * @cmd_details: pointer to command details structure or NULL
2635  *
2636  * This asks the FW to add a VEB between the uplink and downlink
2637  * elements.  If the uplink SEID is 0, this will be a floating VEB.
2638  **/
i40e_aq_add_veb(struct i40e_hw * hw,u16 uplink_seid,u16 downlink_seid,u8 enabled_tc,bool default_port,u16 * veb_seid,bool enable_stats,struct i40e_asq_cmd_details * cmd_details)2639 i40e_status i40e_aq_add_veb(struct i40e_hw *hw, u16 uplink_seid,
2640 				u16 downlink_seid, u8 enabled_tc,
2641 				bool default_port, u16 *veb_seid,
2642 				bool enable_stats,
2643 				struct i40e_asq_cmd_details *cmd_details)
2644 {
2645 	struct i40e_aq_desc desc;
2646 	struct i40e_aqc_add_veb *cmd =
2647 		(struct i40e_aqc_add_veb *)&desc.params.raw;
2648 	struct i40e_aqc_add_veb_completion *resp =
2649 		(struct i40e_aqc_add_veb_completion *)&desc.params.raw;
2650 	i40e_status status;
2651 	u16 veb_flags = 0;
2652 
2653 	/* SEIDs need to either both be set or both be 0 for floating VEB */
2654 	if (!!uplink_seid != !!downlink_seid)
2655 		return I40E_ERR_PARAM;
2656 
2657 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_add_veb);
2658 
2659 	cmd->uplink_seid = cpu_to_le16(uplink_seid);
2660 	cmd->downlink_seid = cpu_to_le16(downlink_seid);
2661 	cmd->enable_tcs = enabled_tc;
2662 	if (!uplink_seid)
2663 		veb_flags |= I40E_AQC_ADD_VEB_FLOATING;
2664 	if (default_port)
2665 		veb_flags |= I40E_AQC_ADD_VEB_PORT_TYPE_DEFAULT;
2666 	else
2667 		veb_flags |= I40E_AQC_ADD_VEB_PORT_TYPE_DATA;
2668 
2669 	/* reverse logic here: set the bitflag to disable the stats */
2670 	if (!enable_stats)
2671 		veb_flags |= I40E_AQC_ADD_VEB_ENABLE_DISABLE_STATS;
2672 
2673 	cmd->veb_flags = cpu_to_le16(veb_flags);
2674 
2675 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2676 
2677 	if (!status && veb_seid)
2678 		*veb_seid = le16_to_cpu(resp->veb_seid);
2679 
2680 	return status;
2681 }
2682 
2683 /**
2684  * i40e_aq_get_veb_parameters - Retrieve VEB parameters
2685  * @hw: pointer to the hw struct
2686  * @veb_seid: the SEID of the VEB to query
2687  * @switch_id: the uplink switch id
2688  * @floating: set to true if the VEB is floating
2689  * @statistic_index: index of the stats counter block for this VEB
2690  * @vebs_used: number of VEB's used by function
2691  * @vebs_free: total VEB's not reserved by any function
2692  * @cmd_details: pointer to command details structure or NULL
2693  *
2694  * This retrieves the parameters for a particular VEB, specified by
2695  * uplink_seid, and returns them to the caller.
2696  **/
i40e_aq_get_veb_parameters(struct i40e_hw * hw,u16 veb_seid,u16 * switch_id,bool * floating,u16 * statistic_index,u16 * vebs_used,u16 * vebs_free,struct i40e_asq_cmd_details * cmd_details)2697 i40e_status i40e_aq_get_veb_parameters(struct i40e_hw *hw,
2698 				u16 veb_seid, u16 *switch_id,
2699 				bool *floating, u16 *statistic_index,
2700 				u16 *vebs_used, u16 *vebs_free,
2701 				struct i40e_asq_cmd_details *cmd_details)
2702 {
2703 	struct i40e_aq_desc desc;
2704 	struct i40e_aqc_get_veb_parameters_completion *cmd_resp =
2705 		(struct i40e_aqc_get_veb_parameters_completion *)
2706 		&desc.params.raw;
2707 	i40e_status status;
2708 
2709 	if (veb_seid == 0)
2710 		return I40E_ERR_PARAM;
2711 
2712 	i40e_fill_default_direct_cmd_desc(&desc,
2713 					  i40e_aqc_opc_get_veb_parameters);
2714 	cmd_resp->seid = cpu_to_le16(veb_seid);
2715 
2716 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2717 	if (status)
2718 		goto get_veb_exit;
2719 
2720 	if (switch_id)
2721 		*switch_id = le16_to_cpu(cmd_resp->switch_id);
2722 	if (statistic_index)
2723 		*statistic_index = le16_to_cpu(cmd_resp->statistic_index);
2724 	if (vebs_used)
2725 		*vebs_used = le16_to_cpu(cmd_resp->vebs_used);
2726 	if (vebs_free)
2727 		*vebs_free = le16_to_cpu(cmd_resp->vebs_free);
2728 	if (floating) {
2729 		u16 flags = le16_to_cpu(cmd_resp->veb_flags);
2730 
2731 		if (flags & I40E_AQC_ADD_VEB_FLOATING)
2732 			*floating = true;
2733 		else
2734 			*floating = false;
2735 	}
2736 
2737 get_veb_exit:
2738 	return status;
2739 }
2740 
2741 /**
2742  * i40e_aq_add_macvlan
2743  * @hw: pointer to the hw struct
2744  * @seid: VSI for the mac address
2745  * @mv_list: list of macvlans to be added
2746  * @count: length of the list
2747  * @cmd_details: pointer to command details structure or NULL
2748  *
2749  * Add MAC/VLAN addresses to the HW filtering
2750  **/
i40e_aq_add_macvlan(struct i40e_hw * hw,u16 seid,struct i40e_aqc_add_macvlan_element_data * mv_list,u16 count,struct i40e_asq_cmd_details * cmd_details)2751 i40e_status i40e_aq_add_macvlan(struct i40e_hw *hw, u16 seid,
2752 			struct i40e_aqc_add_macvlan_element_data *mv_list,
2753 			u16 count, struct i40e_asq_cmd_details *cmd_details)
2754 {
2755 	struct i40e_aq_desc desc;
2756 	struct i40e_aqc_macvlan *cmd =
2757 		(struct i40e_aqc_macvlan *)&desc.params.raw;
2758 	i40e_status status;
2759 	u16 buf_size;
2760 	int i;
2761 
2762 	if (count == 0 || !mv_list || !hw)
2763 		return I40E_ERR_PARAM;
2764 
2765 	buf_size = count * sizeof(*mv_list);
2766 
2767 	/* prep the rest of the request */
2768 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_add_macvlan);
2769 	cmd->num_addresses = cpu_to_le16(count);
2770 	cmd->seid[0] = cpu_to_le16(I40E_AQC_MACVLAN_CMD_SEID_VALID | seid);
2771 	cmd->seid[1] = 0;
2772 	cmd->seid[2] = 0;
2773 
2774 	for (i = 0; i < count; i++)
2775 		if (is_multicast_ether_addr(mv_list[i].mac_addr))
2776 			mv_list[i].flags |=
2777 			       cpu_to_le16(I40E_AQC_MACVLAN_ADD_USE_SHARED_MAC);
2778 
2779 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
2780 	if (buf_size > I40E_AQ_LARGE_BUF)
2781 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
2782 
2783 	status = i40e_asq_send_command(hw, &desc, mv_list, buf_size,
2784 				       cmd_details);
2785 
2786 	return status;
2787 }
2788 
2789 /**
2790  * i40e_aq_remove_macvlan
2791  * @hw: pointer to the hw struct
2792  * @seid: VSI for the mac address
2793  * @mv_list: list of macvlans to be removed
2794  * @count: length of the list
2795  * @cmd_details: pointer to command details structure or NULL
2796  *
2797  * Remove MAC/VLAN addresses from the HW filtering
2798  **/
i40e_aq_remove_macvlan(struct i40e_hw * hw,u16 seid,struct i40e_aqc_remove_macvlan_element_data * mv_list,u16 count,struct i40e_asq_cmd_details * cmd_details)2799 i40e_status i40e_aq_remove_macvlan(struct i40e_hw *hw, u16 seid,
2800 			struct i40e_aqc_remove_macvlan_element_data *mv_list,
2801 			u16 count, struct i40e_asq_cmd_details *cmd_details)
2802 {
2803 	struct i40e_aq_desc desc;
2804 	struct i40e_aqc_macvlan *cmd =
2805 		(struct i40e_aqc_macvlan *)&desc.params.raw;
2806 	i40e_status status;
2807 	u16 buf_size;
2808 
2809 	if (count == 0 || !mv_list || !hw)
2810 		return I40E_ERR_PARAM;
2811 
2812 	buf_size = count * sizeof(*mv_list);
2813 
2814 	/* prep the rest of the request */
2815 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_remove_macvlan);
2816 	cmd->num_addresses = cpu_to_le16(count);
2817 	cmd->seid[0] = cpu_to_le16(I40E_AQC_MACVLAN_CMD_SEID_VALID | seid);
2818 	cmd->seid[1] = 0;
2819 	cmd->seid[2] = 0;
2820 
2821 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
2822 	if (buf_size > I40E_AQ_LARGE_BUF)
2823 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
2824 
2825 	status = i40e_asq_send_command(hw, &desc, mv_list, buf_size,
2826 				       cmd_details);
2827 
2828 	return status;
2829 }
2830 
2831 /**
2832  * i40e_mirrorrule_op - Internal helper function to add/delete mirror rule
2833  * @hw: pointer to the hw struct
2834  * @opcode: AQ opcode for add or delete mirror rule
2835  * @sw_seid: Switch SEID (to which rule refers)
2836  * @rule_type: Rule Type (ingress/egress/VLAN)
2837  * @id: Destination VSI SEID or Rule ID
2838  * @count: length of the list
2839  * @mr_list: list of mirrored VSI SEIDs or VLAN IDs
2840  * @cmd_details: pointer to command details structure or NULL
2841  * @rule_id: Rule ID returned from FW
2842  * @rules_used: Number of rules used in internal switch
2843  * @rules_free: Number of rules free in internal switch
2844  *
2845  * Add/Delete a mirror rule to a specific switch. Mirror rules are supported for
2846  * VEBs/VEPA elements only
2847  **/
i40e_mirrorrule_op(struct i40e_hw * hw,u16 opcode,u16 sw_seid,u16 rule_type,u16 id,u16 count,__le16 * mr_list,struct i40e_asq_cmd_details * cmd_details,u16 * rule_id,u16 * rules_used,u16 * rules_free)2848 static i40e_status i40e_mirrorrule_op(struct i40e_hw *hw,
2849 				u16 opcode, u16 sw_seid, u16 rule_type, u16 id,
2850 				u16 count, __le16 *mr_list,
2851 				struct i40e_asq_cmd_details *cmd_details,
2852 				u16 *rule_id, u16 *rules_used, u16 *rules_free)
2853 {
2854 	struct i40e_aq_desc desc;
2855 	struct i40e_aqc_add_delete_mirror_rule *cmd =
2856 		(struct i40e_aqc_add_delete_mirror_rule *)&desc.params.raw;
2857 	struct i40e_aqc_add_delete_mirror_rule_completion *resp =
2858 	(struct i40e_aqc_add_delete_mirror_rule_completion *)&desc.params.raw;
2859 	i40e_status status;
2860 	u16 buf_size;
2861 
2862 	buf_size = count * sizeof(*mr_list);
2863 
2864 	/* prep the rest of the request */
2865 	i40e_fill_default_direct_cmd_desc(&desc, opcode);
2866 	cmd->seid = cpu_to_le16(sw_seid);
2867 	cmd->rule_type = cpu_to_le16(rule_type &
2868 				     I40E_AQC_MIRROR_RULE_TYPE_MASK);
2869 	cmd->num_entries = cpu_to_le16(count);
2870 	/* Dest VSI for add, rule_id for delete */
2871 	cmd->destination = cpu_to_le16(id);
2872 	if (mr_list) {
2873 		desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF |
2874 						I40E_AQ_FLAG_RD));
2875 		if (buf_size > I40E_AQ_LARGE_BUF)
2876 			desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
2877 	}
2878 
2879 	status = i40e_asq_send_command(hw, &desc, mr_list, buf_size,
2880 				       cmd_details);
2881 	if (!status ||
2882 	    hw->aq.asq_last_status == I40E_AQ_RC_ENOSPC) {
2883 		if (rule_id)
2884 			*rule_id = le16_to_cpu(resp->rule_id);
2885 		if (rules_used)
2886 			*rules_used = le16_to_cpu(resp->mirror_rules_used);
2887 		if (rules_free)
2888 			*rules_free = le16_to_cpu(resp->mirror_rules_free);
2889 	}
2890 	return status;
2891 }
2892 
2893 /**
2894  * i40e_aq_add_mirrorrule - add a mirror rule
2895  * @hw: pointer to the hw struct
2896  * @sw_seid: Switch SEID (to which rule refers)
2897  * @rule_type: Rule Type (ingress/egress/VLAN)
2898  * @dest_vsi: SEID of VSI to which packets will be mirrored
2899  * @count: length of the list
2900  * @mr_list: list of mirrored VSI SEIDs or VLAN IDs
2901  * @cmd_details: pointer to command details structure or NULL
2902  * @rule_id: Rule ID returned from FW
2903  * @rules_used: Number of rules used in internal switch
2904  * @rules_free: Number of rules free in internal switch
2905  *
2906  * Add mirror rule. Mirror rules are supported for VEBs or VEPA elements only
2907  **/
i40e_aq_add_mirrorrule(struct i40e_hw * hw,u16 sw_seid,u16 rule_type,u16 dest_vsi,u16 count,__le16 * mr_list,struct i40e_asq_cmd_details * cmd_details,u16 * rule_id,u16 * rules_used,u16 * rules_free)2908 i40e_status i40e_aq_add_mirrorrule(struct i40e_hw *hw, u16 sw_seid,
2909 			u16 rule_type, u16 dest_vsi, u16 count, __le16 *mr_list,
2910 			struct i40e_asq_cmd_details *cmd_details,
2911 			u16 *rule_id, u16 *rules_used, u16 *rules_free)
2912 {
2913 	if (!(rule_type == I40E_AQC_MIRROR_RULE_TYPE_ALL_INGRESS ||
2914 	    rule_type == I40E_AQC_MIRROR_RULE_TYPE_ALL_EGRESS)) {
2915 		if (count == 0 || !mr_list)
2916 			return I40E_ERR_PARAM;
2917 	}
2918 
2919 	return i40e_mirrorrule_op(hw, i40e_aqc_opc_add_mirror_rule, sw_seid,
2920 				  rule_type, dest_vsi, count, mr_list,
2921 				  cmd_details, rule_id, rules_used, rules_free);
2922 }
2923 
2924 /**
2925  * i40e_aq_delete_mirrorrule - delete a mirror rule
2926  * @hw: pointer to the hw struct
2927  * @sw_seid: Switch SEID (to which rule refers)
2928  * @rule_type: Rule Type (ingress/egress/VLAN)
2929  * @count: length of the list
2930  * @rule_id: Rule ID that is returned in the receive desc as part of
2931  *		add_mirrorrule.
2932  * @mr_list: list of mirrored VLAN IDs to be removed
2933  * @cmd_details: pointer to command details structure or NULL
2934  * @rules_used: Number of rules used in internal switch
2935  * @rules_free: Number of rules free in internal switch
2936  *
2937  * Delete a mirror rule. Mirror rules are supported for VEBs/VEPA elements only
2938  **/
i40e_aq_delete_mirrorrule(struct i40e_hw * hw,u16 sw_seid,u16 rule_type,u16 rule_id,u16 count,__le16 * mr_list,struct i40e_asq_cmd_details * cmd_details,u16 * rules_used,u16 * rules_free)2939 i40e_status i40e_aq_delete_mirrorrule(struct i40e_hw *hw, u16 sw_seid,
2940 			u16 rule_type, u16 rule_id, u16 count, __le16 *mr_list,
2941 			struct i40e_asq_cmd_details *cmd_details,
2942 			u16 *rules_used, u16 *rules_free)
2943 {
2944 	/* Rule ID has to be valid except rule_type: INGRESS VLAN mirroring */
2945 	if (rule_type == I40E_AQC_MIRROR_RULE_TYPE_VLAN) {
2946 		/* count and mr_list shall be valid for rule_type INGRESS VLAN
2947 		 * mirroring. For other rule_type, count and rule_type should
2948 		 * not matter.
2949 		 */
2950 		if (count == 0 || !mr_list)
2951 			return I40E_ERR_PARAM;
2952 	}
2953 
2954 	return i40e_mirrorrule_op(hw, i40e_aqc_opc_delete_mirror_rule, sw_seid,
2955 				  rule_type, rule_id, count, mr_list,
2956 				  cmd_details, NULL, rules_used, rules_free);
2957 }
2958 
2959 /**
2960  * i40e_aq_send_msg_to_vf
2961  * @hw: pointer to the hardware structure
2962  * @vfid: VF id to send msg
2963  * @v_opcode: opcodes for VF-PF communication
2964  * @v_retval: return error code
2965  * @msg: pointer to the msg buffer
2966  * @msglen: msg length
2967  * @cmd_details: pointer to command details
2968  *
2969  * send msg to vf
2970  **/
i40e_aq_send_msg_to_vf(struct i40e_hw * hw,u16 vfid,u32 v_opcode,u32 v_retval,u8 * msg,u16 msglen,struct i40e_asq_cmd_details * cmd_details)2971 i40e_status i40e_aq_send_msg_to_vf(struct i40e_hw *hw, u16 vfid,
2972 				u32 v_opcode, u32 v_retval, u8 *msg, u16 msglen,
2973 				struct i40e_asq_cmd_details *cmd_details)
2974 {
2975 	struct i40e_aq_desc desc;
2976 	struct i40e_aqc_pf_vf_message *cmd =
2977 		(struct i40e_aqc_pf_vf_message *)&desc.params.raw;
2978 	i40e_status status;
2979 
2980 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_send_msg_to_vf);
2981 	cmd->id = cpu_to_le32(vfid);
2982 	desc.cookie_high = cpu_to_le32(v_opcode);
2983 	desc.cookie_low = cpu_to_le32(v_retval);
2984 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_SI);
2985 	if (msglen) {
2986 		desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF |
2987 						I40E_AQ_FLAG_RD));
2988 		if (msglen > I40E_AQ_LARGE_BUF)
2989 			desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
2990 		desc.datalen = cpu_to_le16(msglen);
2991 	}
2992 	status = i40e_asq_send_command(hw, &desc, msg, msglen, cmd_details);
2993 
2994 	return status;
2995 }
2996 
2997 /**
2998  * i40e_aq_debug_read_register
2999  * @hw: pointer to the hw struct
3000  * @reg_addr: register address
3001  * @reg_val: register value
3002  * @cmd_details: pointer to command details structure or NULL
3003  *
3004  * Read the register using the admin queue commands
3005  **/
i40e_aq_debug_read_register(struct i40e_hw * hw,u32 reg_addr,u64 * reg_val,struct i40e_asq_cmd_details * cmd_details)3006 i40e_status i40e_aq_debug_read_register(struct i40e_hw *hw,
3007 				u32 reg_addr, u64 *reg_val,
3008 				struct i40e_asq_cmd_details *cmd_details)
3009 {
3010 	struct i40e_aq_desc desc;
3011 	struct i40e_aqc_debug_reg_read_write *cmd_resp =
3012 		(struct i40e_aqc_debug_reg_read_write *)&desc.params.raw;
3013 	i40e_status status;
3014 
3015 	if (reg_val == NULL)
3016 		return I40E_ERR_PARAM;
3017 
3018 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_debug_read_reg);
3019 
3020 	cmd_resp->address = cpu_to_le32(reg_addr);
3021 
3022 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3023 
3024 	if (!status) {
3025 		*reg_val = ((u64)le32_to_cpu(cmd_resp->value_high) << 32) |
3026 			   (u64)le32_to_cpu(cmd_resp->value_low);
3027 	}
3028 
3029 	return status;
3030 }
3031 
3032 /**
3033  * i40e_aq_debug_write_register
3034  * @hw: pointer to the hw struct
3035  * @reg_addr: register address
3036  * @reg_val: register value
3037  * @cmd_details: pointer to command details structure or NULL
3038  *
3039  * Write to a register using the admin queue commands
3040  **/
i40e_aq_debug_write_register(struct i40e_hw * hw,u32 reg_addr,u64 reg_val,struct i40e_asq_cmd_details * cmd_details)3041 i40e_status i40e_aq_debug_write_register(struct i40e_hw *hw,
3042 					u32 reg_addr, u64 reg_val,
3043 					struct i40e_asq_cmd_details *cmd_details)
3044 {
3045 	struct i40e_aq_desc desc;
3046 	struct i40e_aqc_debug_reg_read_write *cmd =
3047 		(struct i40e_aqc_debug_reg_read_write *)&desc.params.raw;
3048 	i40e_status status;
3049 
3050 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_debug_write_reg);
3051 
3052 	cmd->address = cpu_to_le32(reg_addr);
3053 	cmd->value_high = cpu_to_le32((u32)(reg_val >> 32));
3054 	cmd->value_low = cpu_to_le32((u32)(reg_val & 0xFFFFFFFF));
3055 
3056 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3057 
3058 	return status;
3059 }
3060 
3061 /**
3062  * i40e_aq_request_resource
3063  * @hw: pointer to the hw struct
3064  * @resource: resource id
3065  * @access: access type
3066  * @sdp_number: resource number
3067  * @timeout: the maximum time in ms that the driver may hold the resource
3068  * @cmd_details: pointer to command details structure or NULL
3069  *
3070  * requests common resource using the admin queue commands
3071  **/
i40e_aq_request_resource(struct i40e_hw * hw,enum i40e_aq_resources_ids resource,enum i40e_aq_resource_access_type access,u8 sdp_number,u64 * timeout,struct i40e_asq_cmd_details * cmd_details)3072 i40e_status i40e_aq_request_resource(struct i40e_hw *hw,
3073 				enum i40e_aq_resources_ids resource,
3074 				enum i40e_aq_resource_access_type access,
3075 				u8 sdp_number, u64 *timeout,
3076 				struct i40e_asq_cmd_details *cmd_details)
3077 {
3078 	struct i40e_aq_desc desc;
3079 	struct i40e_aqc_request_resource *cmd_resp =
3080 		(struct i40e_aqc_request_resource *)&desc.params.raw;
3081 	i40e_status status;
3082 
3083 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_request_resource);
3084 
3085 	cmd_resp->resource_id = cpu_to_le16(resource);
3086 	cmd_resp->access_type = cpu_to_le16(access);
3087 	cmd_resp->resource_number = cpu_to_le32(sdp_number);
3088 
3089 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3090 	/* The completion specifies the maximum time in ms that the driver
3091 	 * may hold the resource in the Timeout field.
3092 	 * If the resource is held by someone else, the command completes with
3093 	 * busy return value and the timeout field indicates the maximum time
3094 	 * the current owner of the resource has to free it.
3095 	 */
3096 	if (!status || hw->aq.asq_last_status == I40E_AQ_RC_EBUSY)
3097 		*timeout = le32_to_cpu(cmd_resp->timeout);
3098 
3099 	return status;
3100 }
3101 
3102 /**
3103  * i40e_aq_release_resource
3104  * @hw: pointer to the hw struct
3105  * @resource: resource id
3106  * @sdp_number: resource number
3107  * @cmd_details: pointer to command details structure or NULL
3108  *
3109  * release common resource using the admin queue commands
3110  **/
i40e_aq_release_resource(struct i40e_hw * hw,enum i40e_aq_resources_ids resource,u8 sdp_number,struct i40e_asq_cmd_details * cmd_details)3111 i40e_status i40e_aq_release_resource(struct i40e_hw *hw,
3112 				enum i40e_aq_resources_ids resource,
3113 				u8 sdp_number,
3114 				struct i40e_asq_cmd_details *cmd_details)
3115 {
3116 	struct i40e_aq_desc desc;
3117 	struct i40e_aqc_request_resource *cmd =
3118 		(struct i40e_aqc_request_resource *)&desc.params.raw;
3119 	i40e_status status;
3120 
3121 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_release_resource);
3122 
3123 	cmd->resource_id = cpu_to_le16(resource);
3124 	cmd->resource_number = cpu_to_le32(sdp_number);
3125 
3126 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3127 
3128 	return status;
3129 }
3130 
3131 /**
3132  * i40e_aq_read_nvm
3133  * @hw: pointer to the hw struct
3134  * @module_pointer: module pointer location in words from the NVM beginning
3135  * @offset: byte offset from the module beginning
3136  * @length: length of the section to be read (in bytes from the offset)
3137  * @data: command buffer (size [bytes] = length)
3138  * @last_command: tells if this is the last command in a series
3139  * @cmd_details: pointer to command details structure or NULL
3140  *
3141  * Read the NVM using the admin queue commands
3142  **/
i40e_aq_read_nvm(struct i40e_hw * hw,u8 module_pointer,u32 offset,u16 length,void * data,bool last_command,struct i40e_asq_cmd_details * cmd_details)3143 i40e_status i40e_aq_read_nvm(struct i40e_hw *hw, u8 module_pointer,
3144 				u32 offset, u16 length, void *data,
3145 				bool last_command,
3146 				struct i40e_asq_cmd_details *cmd_details)
3147 {
3148 	struct i40e_aq_desc desc;
3149 	struct i40e_aqc_nvm_update *cmd =
3150 		(struct i40e_aqc_nvm_update *)&desc.params.raw;
3151 	i40e_status status;
3152 
3153 	/* In offset the highest byte must be zeroed. */
3154 	if (offset & 0xFF000000) {
3155 		status = I40E_ERR_PARAM;
3156 		goto i40e_aq_read_nvm_exit;
3157 	}
3158 
3159 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_nvm_read);
3160 
3161 	/* If this is the last command in a series, set the proper flag. */
3162 	if (last_command)
3163 		cmd->command_flags |= I40E_AQ_NVM_LAST_CMD;
3164 	cmd->module_pointer = module_pointer;
3165 	cmd->offset = cpu_to_le32(offset);
3166 	cmd->length = cpu_to_le16(length);
3167 
3168 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
3169 	if (length > I40E_AQ_LARGE_BUF)
3170 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
3171 
3172 	status = i40e_asq_send_command(hw, &desc, data, length, cmd_details);
3173 
3174 i40e_aq_read_nvm_exit:
3175 	return status;
3176 }
3177 
3178 /**
3179  * i40e_aq_erase_nvm
3180  * @hw: pointer to the hw struct
3181  * @module_pointer: module pointer location in words from the NVM beginning
3182  * @offset: offset in the module (expressed in 4 KB from module's beginning)
3183  * @length: length of the section to be erased (expressed in 4 KB)
3184  * @last_command: tells if this is the last command in a series
3185  * @cmd_details: pointer to command details structure or NULL
3186  *
3187  * Erase the NVM sector using the admin queue commands
3188  **/
i40e_aq_erase_nvm(struct i40e_hw * hw,u8 module_pointer,u32 offset,u16 length,bool last_command,struct i40e_asq_cmd_details * cmd_details)3189 i40e_status i40e_aq_erase_nvm(struct i40e_hw *hw, u8 module_pointer,
3190 			      u32 offset, u16 length, bool last_command,
3191 			      struct i40e_asq_cmd_details *cmd_details)
3192 {
3193 	struct i40e_aq_desc desc;
3194 	struct i40e_aqc_nvm_update *cmd =
3195 		(struct i40e_aqc_nvm_update *)&desc.params.raw;
3196 	i40e_status status;
3197 
3198 	/* In offset the highest byte must be zeroed. */
3199 	if (offset & 0xFF000000) {
3200 		status = I40E_ERR_PARAM;
3201 		goto i40e_aq_erase_nvm_exit;
3202 	}
3203 
3204 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_nvm_erase);
3205 
3206 	/* If this is the last command in a series, set the proper flag. */
3207 	if (last_command)
3208 		cmd->command_flags |= I40E_AQ_NVM_LAST_CMD;
3209 	cmd->module_pointer = module_pointer;
3210 	cmd->offset = cpu_to_le32(offset);
3211 	cmd->length = cpu_to_le16(length);
3212 
3213 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3214 
3215 i40e_aq_erase_nvm_exit:
3216 	return status;
3217 }
3218 
3219 /**
3220  * i40e_parse_discover_capabilities
3221  * @hw: pointer to the hw struct
3222  * @buff: pointer to a buffer containing device/function capability records
3223  * @cap_count: number of capability records in the list
3224  * @list_type_opc: type of capabilities list to parse
3225  *
3226  * Parse the device/function capabilities list.
3227  **/
i40e_parse_discover_capabilities(struct i40e_hw * hw,void * buff,u32 cap_count,enum i40e_admin_queue_opc list_type_opc)3228 static void i40e_parse_discover_capabilities(struct i40e_hw *hw, void *buff,
3229 				     u32 cap_count,
3230 				     enum i40e_admin_queue_opc list_type_opc)
3231 {
3232 	struct i40e_aqc_list_capabilities_element_resp *cap;
3233 	u32 valid_functions, num_functions;
3234 	u32 number, logical_id, phys_id;
3235 	struct i40e_hw_capabilities *p;
3236 	u16 id, ocp_cfg_word0;
3237 	i40e_status status;
3238 	u8 major_rev;
3239 	u32 i = 0;
3240 
3241 	cap = (struct i40e_aqc_list_capabilities_element_resp *) buff;
3242 
3243 	if (list_type_opc == i40e_aqc_opc_list_dev_capabilities)
3244 		p = &hw->dev_caps;
3245 	else if (list_type_opc == i40e_aqc_opc_list_func_capabilities)
3246 		p = &hw->func_caps;
3247 	else
3248 		return;
3249 
3250 	for (i = 0; i < cap_count; i++, cap++) {
3251 		id = le16_to_cpu(cap->id);
3252 		number = le32_to_cpu(cap->number);
3253 		logical_id = le32_to_cpu(cap->logical_id);
3254 		phys_id = le32_to_cpu(cap->phys_id);
3255 		major_rev = cap->major_rev;
3256 
3257 		switch (id) {
3258 		case I40E_AQ_CAP_ID_SWITCH_MODE:
3259 			p->switch_mode = number;
3260 			break;
3261 		case I40E_AQ_CAP_ID_MNG_MODE:
3262 			p->management_mode = number;
3263 			if (major_rev > 1) {
3264 				p->mng_protocols_over_mctp = logical_id;
3265 				i40e_debug(hw, I40E_DEBUG_INIT,
3266 					   "HW Capability: Protocols over MCTP = %d\n",
3267 					   p->mng_protocols_over_mctp);
3268 			} else {
3269 				p->mng_protocols_over_mctp = 0;
3270 			}
3271 			break;
3272 		case I40E_AQ_CAP_ID_NPAR_ACTIVE:
3273 			p->npar_enable = number;
3274 			break;
3275 		case I40E_AQ_CAP_ID_OS2BMC_CAP:
3276 			p->os2bmc = number;
3277 			break;
3278 		case I40E_AQ_CAP_ID_FUNCTIONS_VALID:
3279 			p->valid_functions = number;
3280 			break;
3281 		case I40E_AQ_CAP_ID_SRIOV:
3282 			if (number == 1)
3283 				p->sr_iov_1_1 = true;
3284 			break;
3285 		case I40E_AQ_CAP_ID_VF:
3286 			p->num_vfs = number;
3287 			p->vf_base_id = logical_id;
3288 			break;
3289 		case I40E_AQ_CAP_ID_VMDQ:
3290 			if (number == 1)
3291 				p->vmdq = true;
3292 			break;
3293 		case I40E_AQ_CAP_ID_8021QBG:
3294 			if (number == 1)
3295 				p->evb_802_1_qbg = true;
3296 			break;
3297 		case I40E_AQ_CAP_ID_8021QBR:
3298 			if (number == 1)
3299 				p->evb_802_1_qbh = true;
3300 			break;
3301 		case I40E_AQ_CAP_ID_VSI:
3302 			p->num_vsis = number;
3303 			break;
3304 		case I40E_AQ_CAP_ID_DCB:
3305 			if (number == 1) {
3306 				p->dcb = true;
3307 				p->enabled_tcmap = logical_id;
3308 				p->maxtc = phys_id;
3309 			}
3310 			break;
3311 		case I40E_AQ_CAP_ID_FCOE:
3312 			if (number == 1)
3313 				p->fcoe = true;
3314 			break;
3315 		case I40E_AQ_CAP_ID_ISCSI:
3316 			if (number == 1)
3317 				p->iscsi = true;
3318 			break;
3319 		case I40E_AQ_CAP_ID_RSS:
3320 			p->rss = true;
3321 			p->rss_table_size = number;
3322 			p->rss_table_entry_width = logical_id;
3323 			break;
3324 		case I40E_AQ_CAP_ID_RXQ:
3325 			p->num_rx_qp = number;
3326 			p->base_queue = phys_id;
3327 			break;
3328 		case I40E_AQ_CAP_ID_TXQ:
3329 			p->num_tx_qp = number;
3330 			p->base_queue = phys_id;
3331 			break;
3332 		case I40E_AQ_CAP_ID_MSIX:
3333 			p->num_msix_vectors = number;
3334 			i40e_debug(hw, I40E_DEBUG_INIT,
3335 				   "HW Capability: MSIX vector count = %d\n",
3336 				   p->num_msix_vectors);
3337 			break;
3338 		case I40E_AQ_CAP_ID_VF_MSIX:
3339 			p->num_msix_vectors_vf = number;
3340 			break;
3341 		case I40E_AQ_CAP_ID_FLEX10:
3342 			if (major_rev == 1) {
3343 				if (number == 1) {
3344 					p->flex10_enable = true;
3345 					p->flex10_capable = true;
3346 				}
3347 			} else {
3348 				/* Capability revision >= 2 */
3349 				if (number & 1)
3350 					p->flex10_enable = true;
3351 				if (number & 2)
3352 					p->flex10_capable = true;
3353 			}
3354 			p->flex10_mode = logical_id;
3355 			p->flex10_status = phys_id;
3356 			break;
3357 		case I40E_AQ_CAP_ID_CEM:
3358 			if (number == 1)
3359 				p->mgmt_cem = true;
3360 			break;
3361 		case I40E_AQ_CAP_ID_IWARP:
3362 			if (number == 1)
3363 				p->iwarp = true;
3364 			break;
3365 		case I40E_AQ_CAP_ID_LED:
3366 			if (phys_id < I40E_HW_CAP_MAX_GPIO)
3367 				p->led[phys_id] = true;
3368 			break;
3369 		case I40E_AQ_CAP_ID_SDP:
3370 			if (phys_id < I40E_HW_CAP_MAX_GPIO)
3371 				p->sdp[phys_id] = true;
3372 			break;
3373 		case I40E_AQ_CAP_ID_MDIO:
3374 			if (number == 1) {
3375 				p->mdio_port_num = phys_id;
3376 				p->mdio_port_mode = logical_id;
3377 			}
3378 			break;
3379 		case I40E_AQ_CAP_ID_1588:
3380 			if (number == 1)
3381 				p->ieee_1588 = true;
3382 			break;
3383 		case I40E_AQ_CAP_ID_FLOW_DIRECTOR:
3384 			p->fd = true;
3385 			p->fd_filters_guaranteed = number;
3386 			p->fd_filters_best_effort = logical_id;
3387 			break;
3388 		case I40E_AQ_CAP_ID_WSR_PROT:
3389 			p->wr_csr_prot = (u64)number;
3390 			p->wr_csr_prot |= (u64)logical_id << 32;
3391 			break;
3392 		case I40E_AQ_CAP_ID_NVM_MGMT:
3393 			if (number & I40E_NVM_MGMT_SEC_REV_DISABLED)
3394 				p->sec_rev_disabled = true;
3395 			if (number & I40E_NVM_MGMT_UPDATE_DISABLED)
3396 				p->update_disabled = true;
3397 			break;
3398 		default:
3399 			break;
3400 		}
3401 	}
3402 
3403 	if (p->fcoe)
3404 		i40e_debug(hw, I40E_DEBUG_ALL, "device is FCoE capable\n");
3405 
3406 	/* Software override ensuring FCoE is disabled if npar or mfp
3407 	 * mode because it is not supported in these modes.
3408 	 */
3409 	if (p->npar_enable || p->flex10_enable)
3410 		p->fcoe = false;
3411 
3412 	/* count the enabled ports (aka the "not disabled" ports) */
3413 	hw->num_ports = 0;
3414 	for (i = 0; i < 4; i++) {
3415 		u32 port_cfg_reg = I40E_PRTGEN_CNF + (4 * i);
3416 		u64 port_cfg = 0;
3417 
3418 		/* use AQ read to get the physical register offset instead
3419 		 * of the port relative offset
3420 		 */
3421 		i40e_aq_debug_read_register(hw, port_cfg_reg, &port_cfg, NULL);
3422 		if (!(port_cfg & I40E_PRTGEN_CNF_PORT_DIS_MASK))
3423 			hw->num_ports++;
3424 	}
3425 
3426 	/* OCP cards case: if a mezz is removed the Ethernet port is at
3427 	 * disabled state in PRTGEN_CNF register. Additional NVM read is
3428 	 * needed in order to check if we are dealing with OCP card.
3429 	 * Those cards have 4 PFs at minimum, so using PRTGEN_CNF for counting
3430 	 * physical ports results in wrong partition id calculation and thus
3431 	 * not supporting WoL.
3432 	 */
3433 	if (hw->mac.type == I40E_MAC_X722) {
3434 		if (!i40e_acquire_nvm(hw, I40E_RESOURCE_READ)) {
3435 			status = i40e_aq_read_nvm(hw, I40E_SR_EMP_MODULE_PTR,
3436 						  2 * I40E_SR_OCP_CFG_WORD0,
3437 						  sizeof(ocp_cfg_word0),
3438 						  &ocp_cfg_word0, true, NULL);
3439 			if (!status &&
3440 			    (ocp_cfg_word0 & I40E_SR_OCP_ENABLED))
3441 				hw->num_ports = 4;
3442 			i40e_release_nvm(hw);
3443 		}
3444 	}
3445 
3446 	valid_functions = p->valid_functions;
3447 	num_functions = 0;
3448 	while (valid_functions) {
3449 		if (valid_functions & 1)
3450 			num_functions++;
3451 		valid_functions >>= 1;
3452 	}
3453 
3454 	/* partition id is 1-based, and functions are evenly spread
3455 	 * across the ports as partitions
3456 	 */
3457 	if (hw->num_ports != 0) {
3458 		hw->partition_id = (hw->pf_id / hw->num_ports) + 1;
3459 		hw->num_partitions = num_functions / hw->num_ports;
3460 	}
3461 
3462 	/* additional HW specific goodies that might
3463 	 * someday be HW version specific
3464 	 */
3465 	p->rx_buf_chain_len = I40E_MAX_CHAINED_RX_BUFFERS;
3466 }
3467 
3468 /**
3469  * i40e_aq_discover_capabilities
3470  * @hw: pointer to the hw struct
3471  * @buff: a virtual buffer to hold the capabilities
3472  * @buff_size: Size of the virtual buffer
3473  * @data_size: Size of the returned data, or buff size needed if AQ err==ENOMEM
3474  * @list_type_opc: capabilities type to discover - pass in the command opcode
3475  * @cmd_details: pointer to command details structure or NULL
3476  *
3477  * Get the device capabilities descriptions from the firmware
3478  **/
i40e_aq_discover_capabilities(struct i40e_hw * hw,void * buff,u16 buff_size,u16 * data_size,enum i40e_admin_queue_opc list_type_opc,struct i40e_asq_cmd_details * cmd_details)3479 i40e_status i40e_aq_discover_capabilities(struct i40e_hw *hw,
3480 				void *buff, u16 buff_size, u16 *data_size,
3481 				enum i40e_admin_queue_opc list_type_opc,
3482 				struct i40e_asq_cmd_details *cmd_details)
3483 {
3484 	struct i40e_aqc_list_capabilites *cmd;
3485 	struct i40e_aq_desc desc;
3486 	i40e_status status = 0;
3487 
3488 	cmd = (struct i40e_aqc_list_capabilites *)&desc.params.raw;
3489 
3490 	if (list_type_opc != i40e_aqc_opc_list_func_capabilities &&
3491 		list_type_opc != i40e_aqc_opc_list_dev_capabilities) {
3492 		status = I40E_ERR_PARAM;
3493 		goto exit;
3494 	}
3495 
3496 	i40e_fill_default_direct_cmd_desc(&desc, list_type_opc);
3497 
3498 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
3499 	if (buff_size > I40E_AQ_LARGE_BUF)
3500 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
3501 
3502 	status = i40e_asq_send_command(hw, &desc, buff, buff_size, cmd_details);
3503 	*data_size = le16_to_cpu(desc.datalen);
3504 
3505 	if (status)
3506 		goto exit;
3507 
3508 	i40e_parse_discover_capabilities(hw, buff, le32_to_cpu(cmd->count),
3509 					 list_type_opc);
3510 
3511 exit:
3512 	return status;
3513 }
3514 
3515 /**
3516  * i40e_aq_update_nvm
3517  * @hw: pointer to the hw struct
3518  * @module_pointer: module pointer location in words from the NVM beginning
3519  * @offset: byte offset from the module beginning
3520  * @length: length of the section to be written (in bytes from the offset)
3521  * @data: command buffer (size [bytes] = length)
3522  * @last_command: tells if this is the last command in a series
3523  * @preservation_flags: Preservation mode flags
3524  * @cmd_details: pointer to command details structure or NULL
3525  *
3526  * Update the NVM using the admin queue commands
3527  **/
i40e_aq_update_nvm(struct i40e_hw * hw,u8 module_pointer,u32 offset,u16 length,void * data,bool last_command,u8 preservation_flags,struct i40e_asq_cmd_details * cmd_details)3528 i40e_status i40e_aq_update_nvm(struct i40e_hw *hw, u8 module_pointer,
3529 			       u32 offset, u16 length, void *data,
3530 				bool last_command, u8 preservation_flags,
3531 			       struct i40e_asq_cmd_details *cmd_details)
3532 {
3533 	struct i40e_aq_desc desc;
3534 	struct i40e_aqc_nvm_update *cmd =
3535 		(struct i40e_aqc_nvm_update *)&desc.params.raw;
3536 	i40e_status status;
3537 
3538 	/* In offset the highest byte must be zeroed. */
3539 	if (offset & 0xFF000000) {
3540 		status = I40E_ERR_PARAM;
3541 		goto i40e_aq_update_nvm_exit;
3542 	}
3543 
3544 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_nvm_update);
3545 
3546 	/* If this is the last command in a series, set the proper flag. */
3547 	if (last_command)
3548 		cmd->command_flags |= I40E_AQ_NVM_LAST_CMD;
3549 	if (hw->mac.type == I40E_MAC_X722) {
3550 		if (preservation_flags == I40E_NVM_PRESERVATION_FLAGS_SELECTED)
3551 			cmd->command_flags |=
3552 				(I40E_AQ_NVM_PRESERVATION_FLAGS_SELECTED <<
3553 				 I40E_AQ_NVM_PRESERVATION_FLAGS_SHIFT);
3554 		else if (preservation_flags == I40E_NVM_PRESERVATION_FLAGS_ALL)
3555 			cmd->command_flags |=
3556 				(I40E_AQ_NVM_PRESERVATION_FLAGS_ALL <<
3557 				 I40E_AQ_NVM_PRESERVATION_FLAGS_SHIFT);
3558 	}
3559 	cmd->module_pointer = module_pointer;
3560 	cmd->offset = cpu_to_le32(offset);
3561 	cmd->length = cpu_to_le16(length);
3562 
3563 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
3564 	if (length > I40E_AQ_LARGE_BUF)
3565 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
3566 
3567 	status = i40e_asq_send_command(hw, &desc, data, length, cmd_details);
3568 
3569 i40e_aq_update_nvm_exit:
3570 	return status;
3571 }
3572 
3573 /**
3574  * i40e_aq_rearrange_nvm
3575  * @hw: pointer to the hw struct
3576  * @rearrange_nvm: defines direction of rearrangement
3577  * @cmd_details: pointer to command details structure or NULL
3578  *
3579  * Rearrange NVM structure, available only for transition FW
3580  **/
i40e_aq_rearrange_nvm(struct i40e_hw * hw,u8 rearrange_nvm,struct i40e_asq_cmd_details * cmd_details)3581 i40e_status i40e_aq_rearrange_nvm(struct i40e_hw *hw,
3582 				  u8 rearrange_nvm,
3583 				  struct i40e_asq_cmd_details *cmd_details)
3584 {
3585 	struct i40e_aqc_nvm_update *cmd;
3586 	i40e_status status;
3587 	struct i40e_aq_desc desc;
3588 
3589 	cmd = (struct i40e_aqc_nvm_update *)&desc.params.raw;
3590 
3591 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_nvm_update);
3592 
3593 	rearrange_nvm &= (I40E_AQ_NVM_REARRANGE_TO_FLAT |
3594 			 I40E_AQ_NVM_REARRANGE_TO_STRUCT);
3595 
3596 	if (!rearrange_nvm) {
3597 		status = I40E_ERR_PARAM;
3598 		goto i40e_aq_rearrange_nvm_exit;
3599 	}
3600 
3601 	cmd->command_flags |= rearrange_nvm;
3602 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3603 
3604 i40e_aq_rearrange_nvm_exit:
3605 	return status;
3606 }
3607 
3608 /**
3609  * i40e_aq_get_lldp_mib
3610  * @hw: pointer to the hw struct
3611  * @bridge_type: type of bridge requested
3612  * @mib_type: Local, Remote or both Local and Remote MIBs
3613  * @buff: pointer to a user supplied buffer to store the MIB block
3614  * @buff_size: size of the buffer (in bytes)
3615  * @local_len : length of the returned Local LLDP MIB
3616  * @remote_len: length of the returned Remote LLDP MIB
3617  * @cmd_details: pointer to command details structure or NULL
3618  *
3619  * Requests the complete LLDP MIB (entire packet).
3620  **/
i40e_aq_get_lldp_mib(struct i40e_hw * hw,u8 bridge_type,u8 mib_type,void * buff,u16 buff_size,u16 * local_len,u16 * remote_len,struct i40e_asq_cmd_details * cmd_details)3621 i40e_status i40e_aq_get_lldp_mib(struct i40e_hw *hw, u8 bridge_type,
3622 				u8 mib_type, void *buff, u16 buff_size,
3623 				u16 *local_len, u16 *remote_len,
3624 				struct i40e_asq_cmd_details *cmd_details)
3625 {
3626 	struct i40e_aq_desc desc;
3627 	struct i40e_aqc_lldp_get_mib *cmd =
3628 		(struct i40e_aqc_lldp_get_mib *)&desc.params.raw;
3629 	struct i40e_aqc_lldp_get_mib *resp =
3630 		(struct i40e_aqc_lldp_get_mib *)&desc.params.raw;
3631 	i40e_status status;
3632 
3633 	if (buff_size == 0 || !buff)
3634 		return I40E_ERR_PARAM;
3635 
3636 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_lldp_get_mib);
3637 	/* Indirect Command */
3638 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
3639 
3640 	cmd->type = mib_type & I40E_AQ_LLDP_MIB_TYPE_MASK;
3641 	cmd->type |= ((bridge_type << I40E_AQ_LLDP_BRIDGE_TYPE_SHIFT) &
3642 		       I40E_AQ_LLDP_BRIDGE_TYPE_MASK);
3643 
3644 	desc.datalen = cpu_to_le16(buff_size);
3645 
3646 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
3647 	if (buff_size > I40E_AQ_LARGE_BUF)
3648 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
3649 
3650 	status = i40e_asq_send_command(hw, &desc, buff, buff_size, cmd_details);
3651 	if (!status) {
3652 		if (local_len != NULL)
3653 			*local_len = le16_to_cpu(resp->local_len);
3654 		if (remote_len != NULL)
3655 			*remote_len = le16_to_cpu(resp->remote_len);
3656 	}
3657 
3658 	return status;
3659 }
3660 
3661 /**
3662  * i40e_aq_cfg_lldp_mib_change_event
3663  * @hw: pointer to the hw struct
3664  * @enable_update: Enable or Disable event posting
3665  * @cmd_details: pointer to command details structure or NULL
3666  *
3667  * Enable or Disable posting of an event on ARQ when LLDP MIB
3668  * associated with the interface changes
3669  **/
i40e_aq_cfg_lldp_mib_change_event(struct i40e_hw * hw,bool enable_update,struct i40e_asq_cmd_details * cmd_details)3670 i40e_status i40e_aq_cfg_lldp_mib_change_event(struct i40e_hw *hw,
3671 				bool enable_update,
3672 				struct i40e_asq_cmd_details *cmd_details)
3673 {
3674 	struct i40e_aq_desc desc;
3675 	struct i40e_aqc_lldp_update_mib *cmd =
3676 		(struct i40e_aqc_lldp_update_mib *)&desc.params.raw;
3677 	i40e_status status;
3678 
3679 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_lldp_update_mib);
3680 
3681 	if (!enable_update)
3682 		cmd->command |= I40E_AQ_LLDP_MIB_UPDATE_DISABLE;
3683 
3684 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3685 
3686 	return status;
3687 }
3688 
3689 /**
3690  * i40e_aq_stop_lldp
3691  * @hw: pointer to the hw struct
3692  * @shutdown_agent: True if LLDP Agent needs to be Shutdown
3693  * @cmd_details: pointer to command details structure or NULL
3694  *
3695  * Stop or Shutdown the embedded LLDP Agent
3696  **/
i40e_aq_stop_lldp(struct i40e_hw * hw,bool shutdown_agent,struct i40e_asq_cmd_details * cmd_details)3697 i40e_status i40e_aq_stop_lldp(struct i40e_hw *hw, bool shutdown_agent,
3698 				struct i40e_asq_cmd_details *cmd_details)
3699 {
3700 	struct i40e_aq_desc desc;
3701 	struct i40e_aqc_lldp_stop *cmd =
3702 		(struct i40e_aqc_lldp_stop *)&desc.params.raw;
3703 	i40e_status status;
3704 
3705 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_lldp_stop);
3706 
3707 	if (shutdown_agent)
3708 		cmd->command |= I40E_AQ_LLDP_AGENT_SHUTDOWN;
3709 
3710 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3711 
3712 	return status;
3713 }
3714 
3715 /**
3716  * i40e_aq_start_lldp
3717  * @hw: pointer to the hw struct
3718  * @buff: buffer for result
3719  * @buff_size: buffer size
3720  * @cmd_details: pointer to command details structure or NULL
3721  *
3722  * Start the embedded LLDP Agent on all ports.
3723  **/
i40e_aq_start_lldp(struct i40e_hw * hw,struct i40e_asq_cmd_details * cmd_details)3724 i40e_status i40e_aq_start_lldp(struct i40e_hw *hw,
3725 				struct i40e_asq_cmd_details *cmd_details)
3726 {
3727 	struct i40e_aq_desc desc;
3728 	struct i40e_aqc_lldp_start *cmd =
3729 		(struct i40e_aqc_lldp_start *)&desc.params.raw;
3730 	i40e_status status;
3731 
3732 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_lldp_start);
3733 
3734 	cmd->command = I40E_AQ_LLDP_AGENT_START;
3735 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3736 
3737 	return status;
3738 }
3739 
3740 /**
3741  * i40e_aq_set_dcb_parameters
3742  * @hw: pointer to the hw struct
3743  * @cmd_details: pointer to command details structure or NULL
3744  * @dcb_enable: True if DCB configuration needs to be applied
3745  *
3746  **/
3747 enum i40e_status_code
i40e_aq_set_dcb_parameters(struct i40e_hw * hw,bool dcb_enable,struct i40e_asq_cmd_details * cmd_details)3748 i40e_aq_set_dcb_parameters(struct i40e_hw *hw, bool dcb_enable,
3749 			   struct i40e_asq_cmd_details *cmd_details)
3750 {
3751 	struct i40e_aq_desc desc;
3752 	struct i40e_aqc_set_dcb_parameters *cmd =
3753 		(struct i40e_aqc_set_dcb_parameters *)&desc.params.raw;
3754 	i40e_status status;
3755 
3756 	i40e_fill_default_direct_cmd_desc(&desc,
3757 					  i40e_aqc_opc_set_dcb_parameters);
3758 
3759 	if (dcb_enable) {
3760 		cmd->valid_flags = I40E_DCB_VALID;
3761 		cmd->command = I40E_AQ_DCB_SET_AGENT;
3762 	}
3763 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3764 
3765 	return status;
3766 }
3767 
3768 /**
3769  * i40e_aq_get_cee_dcb_config
3770  * @hw: pointer to the hw struct
3771  * @buff: response buffer that stores CEE operational configuration
3772  * @buff_size: size of the buffer passed
3773  * @cmd_details: pointer to command details structure or NULL
3774  *
3775  * Get CEE DCBX mode operational configuration from firmware
3776  **/
i40e_aq_get_cee_dcb_config(struct i40e_hw * hw,void * buff,u16 buff_size,struct i40e_asq_cmd_details * cmd_details)3777 i40e_status i40e_aq_get_cee_dcb_config(struct i40e_hw *hw,
3778 				       void *buff, u16 buff_size,
3779 				       struct i40e_asq_cmd_details *cmd_details)
3780 {
3781 	struct i40e_aq_desc desc;
3782 	i40e_status status;
3783 
3784 	if (buff_size == 0 || !buff)
3785 		return I40E_ERR_PARAM;
3786 
3787 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_get_cee_dcb_cfg);
3788 
3789 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
3790 	status = i40e_asq_send_command(hw, &desc, (void *)buff, buff_size,
3791 				       cmd_details);
3792 
3793 	return status;
3794 }
3795 
3796 /**
3797  * i40e_aq_add_udp_tunnel
3798  * @hw: pointer to the hw struct
3799  * @udp_port: the UDP port to add in Host byte order
3800  * @protocol_index: protocol index type
3801  * @filter_index: pointer to filter index
3802  * @cmd_details: pointer to command details structure or NULL
3803  *
3804  * Note: Firmware expects the udp_port value to be in Little Endian format,
3805  * and this function will call cpu_to_le16 to convert from Host byte order to
3806  * Little Endian order.
3807  **/
i40e_aq_add_udp_tunnel(struct i40e_hw * hw,u16 udp_port,u8 protocol_index,u8 * filter_index,struct i40e_asq_cmd_details * cmd_details)3808 i40e_status i40e_aq_add_udp_tunnel(struct i40e_hw *hw,
3809 				u16 udp_port, u8 protocol_index,
3810 				u8 *filter_index,
3811 				struct i40e_asq_cmd_details *cmd_details)
3812 {
3813 	struct i40e_aq_desc desc;
3814 	struct i40e_aqc_add_udp_tunnel *cmd =
3815 		(struct i40e_aqc_add_udp_tunnel *)&desc.params.raw;
3816 	struct i40e_aqc_del_udp_tunnel_completion *resp =
3817 		(struct i40e_aqc_del_udp_tunnel_completion *)&desc.params.raw;
3818 	i40e_status status;
3819 
3820 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_add_udp_tunnel);
3821 
3822 	cmd->udp_port = cpu_to_le16(udp_port);
3823 	cmd->protocol_type = protocol_index;
3824 
3825 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3826 
3827 	if (!status && filter_index)
3828 		*filter_index = resp->index;
3829 
3830 	return status;
3831 }
3832 
3833 /**
3834  * i40e_aq_del_udp_tunnel
3835  * @hw: pointer to the hw struct
3836  * @index: filter index
3837  * @cmd_details: pointer to command details structure or NULL
3838  **/
i40e_aq_del_udp_tunnel(struct i40e_hw * hw,u8 index,struct i40e_asq_cmd_details * cmd_details)3839 i40e_status i40e_aq_del_udp_tunnel(struct i40e_hw *hw, u8 index,
3840 				struct i40e_asq_cmd_details *cmd_details)
3841 {
3842 	struct i40e_aq_desc desc;
3843 	struct i40e_aqc_remove_udp_tunnel *cmd =
3844 		(struct i40e_aqc_remove_udp_tunnel *)&desc.params.raw;
3845 	i40e_status status;
3846 
3847 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_del_udp_tunnel);
3848 
3849 	cmd->index = index;
3850 
3851 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3852 
3853 	return status;
3854 }
3855 
3856 /**
3857  * i40e_aq_delete_element - Delete switch element
3858  * @hw: pointer to the hw struct
3859  * @seid: the SEID to delete from the switch
3860  * @cmd_details: pointer to command details structure or NULL
3861  *
3862  * This deletes a switch element from the switch.
3863  **/
i40e_aq_delete_element(struct i40e_hw * hw,u16 seid,struct i40e_asq_cmd_details * cmd_details)3864 i40e_status i40e_aq_delete_element(struct i40e_hw *hw, u16 seid,
3865 				struct i40e_asq_cmd_details *cmd_details)
3866 {
3867 	struct i40e_aq_desc desc;
3868 	struct i40e_aqc_switch_seid *cmd =
3869 		(struct i40e_aqc_switch_seid *)&desc.params.raw;
3870 	i40e_status status;
3871 
3872 	if (seid == 0)
3873 		return I40E_ERR_PARAM;
3874 
3875 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_delete_element);
3876 
3877 	cmd->seid = cpu_to_le16(seid);
3878 
3879 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3880 
3881 	return status;
3882 }
3883 
3884 /**
3885  * i40e_aq_dcb_updated - DCB Updated Command
3886  * @hw: pointer to the hw struct
3887  * @cmd_details: pointer to command details structure or NULL
3888  *
3889  * EMP will return when the shared RPB settings have been
3890  * recomputed and modified. The retval field in the descriptor
3891  * will be set to 0 when RPB is modified.
3892  **/
i40e_aq_dcb_updated(struct i40e_hw * hw,struct i40e_asq_cmd_details * cmd_details)3893 i40e_status i40e_aq_dcb_updated(struct i40e_hw *hw,
3894 				struct i40e_asq_cmd_details *cmd_details)
3895 {
3896 	struct i40e_aq_desc desc;
3897 	i40e_status status;
3898 
3899 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_dcb_updated);
3900 
3901 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3902 
3903 	return status;
3904 }
3905 
3906 /**
3907  * i40e_aq_tx_sched_cmd - generic Tx scheduler AQ command handler
3908  * @hw: pointer to the hw struct
3909  * @seid: seid for the physical port/switching component/vsi
3910  * @buff: Indirect buffer to hold data parameters and response
3911  * @buff_size: Indirect buffer size
3912  * @opcode: Tx scheduler AQ command opcode
3913  * @cmd_details: pointer to command details structure or NULL
3914  *
3915  * Generic command handler for Tx scheduler AQ commands
3916  **/
i40e_aq_tx_sched_cmd(struct i40e_hw * hw,u16 seid,void * buff,u16 buff_size,enum i40e_admin_queue_opc opcode,struct i40e_asq_cmd_details * cmd_details)3917 static i40e_status i40e_aq_tx_sched_cmd(struct i40e_hw *hw, u16 seid,
3918 				void *buff, u16 buff_size,
3919 				 enum i40e_admin_queue_opc opcode,
3920 				struct i40e_asq_cmd_details *cmd_details)
3921 {
3922 	struct i40e_aq_desc desc;
3923 	struct i40e_aqc_tx_sched_ind *cmd =
3924 		(struct i40e_aqc_tx_sched_ind *)&desc.params.raw;
3925 	i40e_status status;
3926 	bool cmd_param_flag = false;
3927 
3928 	switch (opcode) {
3929 	case i40e_aqc_opc_configure_vsi_ets_sla_bw_limit:
3930 	case i40e_aqc_opc_configure_vsi_tc_bw:
3931 	case i40e_aqc_opc_enable_switching_comp_ets:
3932 	case i40e_aqc_opc_modify_switching_comp_ets:
3933 	case i40e_aqc_opc_disable_switching_comp_ets:
3934 	case i40e_aqc_opc_configure_switching_comp_ets_bw_limit:
3935 	case i40e_aqc_opc_configure_switching_comp_bw_config:
3936 		cmd_param_flag = true;
3937 		break;
3938 	case i40e_aqc_opc_query_vsi_bw_config:
3939 	case i40e_aqc_opc_query_vsi_ets_sla_config:
3940 	case i40e_aqc_opc_query_switching_comp_ets_config:
3941 	case i40e_aqc_opc_query_port_ets_config:
3942 	case i40e_aqc_opc_query_switching_comp_bw_config:
3943 		cmd_param_flag = false;
3944 		break;
3945 	default:
3946 		return I40E_ERR_PARAM;
3947 	}
3948 
3949 	i40e_fill_default_direct_cmd_desc(&desc, opcode);
3950 
3951 	/* Indirect command */
3952 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
3953 	if (cmd_param_flag)
3954 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_RD);
3955 	if (buff_size > I40E_AQ_LARGE_BUF)
3956 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
3957 
3958 	desc.datalen = cpu_to_le16(buff_size);
3959 
3960 	cmd->vsi_seid = cpu_to_le16(seid);
3961 
3962 	status = i40e_asq_send_command(hw, &desc, buff, buff_size, cmd_details);
3963 
3964 	return status;
3965 }
3966 
3967 /**
3968  * i40e_aq_config_vsi_bw_limit - Configure VSI BW Limit
3969  * @hw: pointer to the hw struct
3970  * @seid: VSI seid
3971  * @credit: BW limit credits (0 = disabled)
3972  * @max_credit: Max BW limit credits
3973  * @cmd_details: pointer to command details structure or NULL
3974  **/
i40e_aq_config_vsi_bw_limit(struct i40e_hw * hw,u16 seid,u16 credit,u8 max_credit,struct i40e_asq_cmd_details * cmd_details)3975 i40e_status i40e_aq_config_vsi_bw_limit(struct i40e_hw *hw,
3976 				u16 seid, u16 credit, u8 max_credit,
3977 				struct i40e_asq_cmd_details *cmd_details)
3978 {
3979 	struct i40e_aq_desc desc;
3980 	struct i40e_aqc_configure_vsi_bw_limit *cmd =
3981 		(struct i40e_aqc_configure_vsi_bw_limit *)&desc.params.raw;
3982 	i40e_status status;
3983 
3984 	i40e_fill_default_direct_cmd_desc(&desc,
3985 					  i40e_aqc_opc_configure_vsi_bw_limit);
3986 
3987 	cmd->vsi_seid = cpu_to_le16(seid);
3988 	cmd->credit = cpu_to_le16(credit);
3989 	cmd->max_credit = max_credit;
3990 
3991 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3992 
3993 	return status;
3994 }
3995 
3996 /**
3997  * i40e_aq_config_vsi_tc_bw - Config VSI BW Allocation per TC
3998  * @hw: pointer to the hw struct
3999  * @seid: VSI seid
4000  * @bw_data: Buffer holding enabled TCs, relative TC BW limit/credits
4001  * @cmd_details: pointer to command details structure or NULL
4002  **/
i40e_aq_config_vsi_tc_bw(struct i40e_hw * hw,u16 seid,struct i40e_aqc_configure_vsi_tc_bw_data * bw_data,struct i40e_asq_cmd_details * cmd_details)4003 i40e_status i40e_aq_config_vsi_tc_bw(struct i40e_hw *hw,
4004 			u16 seid,
4005 			struct i40e_aqc_configure_vsi_tc_bw_data *bw_data,
4006 			struct i40e_asq_cmd_details *cmd_details)
4007 {
4008 	return i40e_aq_tx_sched_cmd(hw, seid, (void *)bw_data, sizeof(*bw_data),
4009 				    i40e_aqc_opc_configure_vsi_tc_bw,
4010 				    cmd_details);
4011 }
4012 
4013 /**
4014  * i40e_aq_config_switch_comp_ets - Enable/Disable/Modify ETS on the port
4015  * @hw: pointer to the hw struct
4016  * @seid: seid of the switching component connected to Physical Port
4017  * @ets_data: Buffer holding ETS parameters
4018  * @opcode: Tx scheduler AQ command opcode
4019  * @cmd_details: pointer to command details structure or NULL
4020  **/
i40e_aq_config_switch_comp_ets(struct i40e_hw * hw,u16 seid,struct i40e_aqc_configure_switching_comp_ets_data * ets_data,enum i40e_admin_queue_opc opcode,struct i40e_asq_cmd_details * cmd_details)4021 i40e_status i40e_aq_config_switch_comp_ets(struct i40e_hw *hw,
4022 		u16 seid,
4023 		struct i40e_aqc_configure_switching_comp_ets_data *ets_data,
4024 		enum i40e_admin_queue_opc opcode,
4025 		struct i40e_asq_cmd_details *cmd_details)
4026 {
4027 	return i40e_aq_tx_sched_cmd(hw, seid, (void *)ets_data,
4028 				    sizeof(*ets_data), opcode, cmd_details);
4029 }
4030 
4031 /**
4032  * i40e_aq_config_switch_comp_bw_config - Config Switch comp BW Alloc per TC
4033  * @hw: pointer to the hw struct
4034  * @seid: seid of the switching component
4035  * @bw_data: Buffer holding enabled TCs, relative/absolute TC BW limit/credits
4036  * @cmd_details: pointer to command details structure or NULL
4037  **/
i40e_aq_config_switch_comp_bw_config(struct i40e_hw * hw,u16 seid,struct i40e_aqc_configure_switching_comp_bw_config_data * bw_data,struct i40e_asq_cmd_details * cmd_details)4038 i40e_status i40e_aq_config_switch_comp_bw_config(struct i40e_hw *hw,
4039 	u16 seid,
4040 	struct i40e_aqc_configure_switching_comp_bw_config_data *bw_data,
4041 	struct i40e_asq_cmd_details *cmd_details)
4042 {
4043 	return i40e_aq_tx_sched_cmd(hw, seid, (void *)bw_data, sizeof(*bw_data),
4044 			    i40e_aqc_opc_configure_switching_comp_bw_config,
4045 			    cmd_details);
4046 }
4047 
4048 /**
4049  * i40e_aq_query_vsi_bw_config - Query VSI BW configuration
4050  * @hw: pointer to the hw struct
4051  * @seid: seid of the VSI
4052  * @bw_data: Buffer to hold VSI BW configuration
4053  * @cmd_details: pointer to command details structure or NULL
4054  **/
i40e_aq_query_vsi_bw_config(struct i40e_hw * hw,u16 seid,struct i40e_aqc_query_vsi_bw_config_resp * bw_data,struct i40e_asq_cmd_details * cmd_details)4055 i40e_status i40e_aq_query_vsi_bw_config(struct i40e_hw *hw,
4056 			u16 seid,
4057 			struct i40e_aqc_query_vsi_bw_config_resp *bw_data,
4058 			struct i40e_asq_cmd_details *cmd_details)
4059 {
4060 	return i40e_aq_tx_sched_cmd(hw, seid, (void *)bw_data, sizeof(*bw_data),
4061 				    i40e_aqc_opc_query_vsi_bw_config,
4062 				    cmd_details);
4063 }
4064 
4065 /**
4066  * i40e_aq_query_vsi_ets_sla_config - Query VSI BW configuration per TC
4067  * @hw: pointer to the hw struct
4068  * @seid: seid of the VSI
4069  * @bw_data: Buffer to hold VSI BW configuration per TC
4070  * @cmd_details: pointer to command details structure or NULL
4071  **/
i40e_aq_query_vsi_ets_sla_config(struct i40e_hw * hw,u16 seid,struct i40e_aqc_query_vsi_ets_sla_config_resp * bw_data,struct i40e_asq_cmd_details * cmd_details)4072 i40e_status i40e_aq_query_vsi_ets_sla_config(struct i40e_hw *hw,
4073 			u16 seid,
4074 			struct i40e_aqc_query_vsi_ets_sla_config_resp *bw_data,
4075 			struct i40e_asq_cmd_details *cmd_details)
4076 {
4077 	return i40e_aq_tx_sched_cmd(hw, seid, (void *)bw_data, sizeof(*bw_data),
4078 				    i40e_aqc_opc_query_vsi_ets_sla_config,
4079 				    cmd_details);
4080 }
4081 
4082 /**
4083  * i40e_aq_query_switch_comp_ets_config - Query Switch comp BW config per TC
4084  * @hw: pointer to the hw struct
4085  * @seid: seid of the switching component
4086  * @bw_data: Buffer to hold switching component's per TC BW config
4087  * @cmd_details: pointer to command details structure or NULL
4088  **/
i40e_aq_query_switch_comp_ets_config(struct i40e_hw * hw,u16 seid,struct i40e_aqc_query_switching_comp_ets_config_resp * bw_data,struct i40e_asq_cmd_details * cmd_details)4089 i40e_status i40e_aq_query_switch_comp_ets_config(struct i40e_hw *hw,
4090 		u16 seid,
4091 		struct i40e_aqc_query_switching_comp_ets_config_resp *bw_data,
4092 		struct i40e_asq_cmd_details *cmd_details)
4093 {
4094 	return i40e_aq_tx_sched_cmd(hw, seid, (void *)bw_data, sizeof(*bw_data),
4095 				   i40e_aqc_opc_query_switching_comp_ets_config,
4096 				   cmd_details);
4097 }
4098 
4099 /**
4100  * i40e_aq_query_port_ets_config - Query Physical Port ETS configuration
4101  * @hw: pointer to the hw struct
4102  * @seid: seid of the VSI or switching component connected to Physical Port
4103  * @bw_data: Buffer to hold current ETS configuration for the Physical Port
4104  * @cmd_details: pointer to command details structure or NULL
4105  **/
i40e_aq_query_port_ets_config(struct i40e_hw * hw,u16 seid,struct i40e_aqc_query_port_ets_config_resp * bw_data,struct i40e_asq_cmd_details * cmd_details)4106 i40e_status i40e_aq_query_port_ets_config(struct i40e_hw *hw,
4107 			u16 seid,
4108 			struct i40e_aqc_query_port_ets_config_resp *bw_data,
4109 			struct i40e_asq_cmd_details *cmd_details)
4110 {
4111 	return i40e_aq_tx_sched_cmd(hw, seid, (void *)bw_data, sizeof(*bw_data),
4112 				    i40e_aqc_opc_query_port_ets_config,
4113 				    cmd_details);
4114 }
4115 
4116 /**
4117  * i40e_aq_query_switch_comp_bw_config - Query Switch comp BW configuration
4118  * @hw: pointer to the hw struct
4119  * @seid: seid of the switching component
4120  * @bw_data: Buffer to hold switching component's BW configuration
4121  * @cmd_details: pointer to command details structure or NULL
4122  **/
i40e_aq_query_switch_comp_bw_config(struct i40e_hw * hw,u16 seid,struct i40e_aqc_query_switching_comp_bw_config_resp * bw_data,struct i40e_asq_cmd_details * cmd_details)4123 i40e_status i40e_aq_query_switch_comp_bw_config(struct i40e_hw *hw,
4124 		u16 seid,
4125 		struct i40e_aqc_query_switching_comp_bw_config_resp *bw_data,
4126 		struct i40e_asq_cmd_details *cmd_details)
4127 {
4128 	return i40e_aq_tx_sched_cmd(hw, seid, (void *)bw_data, sizeof(*bw_data),
4129 				    i40e_aqc_opc_query_switching_comp_bw_config,
4130 				    cmd_details);
4131 }
4132 
4133 /**
4134  * i40e_validate_filter_settings
4135  * @hw: pointer to the hardware structure
4136  * @settings: Filter control settings
4137  *
4138  * Check and validate the filter control settings passed.
4139  * The function checks for the valid filter/context sizes being
4140  * passed for FCoE and PE.
4141  *
4142  * Returns 0 if the values passed are valid and within
4143  * range else returns an error.
4144  **/
i40e_validate_filter_settings(struct i40e_hw * hw,struct i40e_filter_control_settings * settings)4145 static i40e_status i40e_validate_filter_settings(struct i40e_hw *hw,
4146 				struct i40e_filter_control_settings *settings)
4147 {
4148 	u32 fcoe_cntx_size, fcoe_filt_size;
4149 	u32 pe_cntx_size, pe_filt_size;
4150 	u32 fcoe_fmax;
4151 	u32 val;
4152 
4153 	/* Validate FCoE settings passed */
4154 	switch (settings->fcoe_filt_num) {
4155 	case I40E_HASH_FILTER_SIZE_1K:
4156 	case I40E_HASH_FILTER_SIZE_2K:
4157 	case I40E_HASH_FILTER_SIZE_4K:
4158 	case I40E_HASH_FILTER_SIZE_8K:
4159 	case I40E_HASH_FILTER_SIZE_16K:
4160 	case I40E_HASH_FILTER_SIZE_32K:
4161 		fcoe_filt_size = I40E_HASH_FILTER_BASE_SIZE;
4162 		fcoe_filt_size <<= (u32)settings->fcoe_filt_num;
4163 		break;
4164 	default:
4165 		return I40E_ERR_PARAM;
4166 	}
4167 
4168 	switch (settings->fcoe_cntx_num) {
4169 	case I40E_DMA_CNTX_SIZE_512:
4170 	case I40E_DMA_CNTX_SIZE_1K:
4171 	case I40E_DMA_CNTX_SIZE_2K:
4172 	case I40E_DMA_CNTX_SIZE_4K:
4173 		fcoe_cntx_size = I40E_DMA_CNTX_BASE_SIZE;
4174 		fcoe_cntx_size <<= (u32)settings->fcoe_cntx_num;
4175 		break;
4176 	default:
4177 		return I40E_ERR_PARAM;
4178 	}
4179 
4180 	/* Validate PE settings passed */
4181 	switch (settings->pe_filt_num) {
4182 	case I40E_HASH_FILTER_SIZE_1K:
4183 	case I40E_HASH_FILTER_SIZE_2K:
4184 	case I40E_HASH_FILTER_SIZE_4K:
4185 	case I40E_HASH_FILTER_SIZE_8K:
4186 	case I40E_HASH_FILTER_SIZE_16K:
4187 	case I40E_HASH_FILTER_SIZE_32K:
4188 	case I40E_HASH_FILTER_SIZE_64K:
4189 	case I40E_HASH_FILTER_SIZE_128K:
4190 	case I40E_HASH_FILTER_SIZE_256K:
4191 	case I40E_HASH_FILTER_SIZE_512K:
4192 	case I40E_HASH_FILTER_SIZE_1M:
4193 		pe_filt_size = I40E_HASH_FILTER_BASE_SIZE;
4194 		pe_filt_size <<= (u32)settings->pe_filt_num;
4195 		break;
4196 	default:
4197 		return I40E_ERR_PARAM;
4198 	}
4199 
4200 	switch (settings->pe_cntx_num) {
4201 	case I40E_DMA_CNTX_SIZE_512:
4202 	case I40E_DMA_CNTX_SIZE_1K:
4203 	case I40E_DMA_CNTX_SIZE_2K:
4204 	case I40E_DMA_CNTX_SIZE_4K:
4205 	case I40E_DMA_CNTX_SIZE_8K:
4206 	case I40E_DMA_CNTX_SIZE_16K:
4207 	case I40E_DMA_CNTX_SIZE_32K:
4208 	case I40E_DMA_CNTX_SIZE_64K:
4209 	case I40E_DMA_CNTX_SIZE_128K:
4210 	case I40E_DMA_CNTX_SIZE_256K:
4211 		pe_cntx_size = I40E_DMA_CNTX_BASE_SIZE;
4212 		pe_cntx_size <<= (u32)settings->pe_cntx_num;
4213 		break;
4214 	default:
4215 		return I40E_ERR_PARAM;
4216 	}
4217 
4218 	/* FCHSIZE + FCDSIZE should not be greater than PMFCOEFMAX */
4219 	val = rd32(hw, I40E_GLHMC_FCOEFMAX);
4220 	fcoe_fmax = (val & I40E_GLHMC_FCOEFMAX_PMFCOEFMAX_MASK)
4221 		     >> I40E_GLHMC_FCOEFMAX_PMFCOEFMAX_SHIFT;
4222 	if (fcoe_filt_size + fcoe_cntx_size >  fcoe_fmax)
4223 		return I40E_ERR_INVALID_SIZE;
4224 
4225 	return 0;
4226 }
4227 
4228 /**
4229  * i40e_set_filter_control
4230  * @hw: pointer to the hardware structure
4231  * @settings: Filter control settings
4232  *
4233  * Set the Queue Filters for PE/FCoE and enable filters required
4234  * for a single PF. It is expected that these settings are programmed
4235  * at the driver initialization time.
4236  **/
i40e_set_filter_control(struct i40e_hw * hw,struct i40e_filter_control_settings * settings)4237 i40e_status i40e_set_filter_control(struct i40e_hw *hw,
4238 				struct i40e_filter_control_settings *settings)
4239 {
4240 	i40e_status ret = 0;
4241 	u32 hash_lut_size = 0;
4242 	u32 val;
4243 
4244 	if (!settings)
4245 		return I40E_ERR_PARAM;
4246 
4247 	/* Validate the input settings */
4248 	ret = i40e_validate_filter_settings(hw, settings);
4249 	if (ret)
4250 		return ret;
4251 
4252 	/* Read the PF Queue Filter control register */
4253 	val = i40e_read_rx_ctl(hw, I40E_PFQF_CTL_0);
4254 
4255 	/* Program required PE hash buckets for the PF */
4256 	val &= ~I40E_PFQF_CTL_0_PEHSIZE_MASK;
4257 	val |= ((u32)settings->pe_filt_num << I40E_PFQF_CTL_0_PEHSIZE_SHIFT) &
4258 		I40E_PFQF_CTL_0_PEHSIZE_MASK;
4259 	/* Program required PE contexts for the PF */
4260 	val &= ~I40E_PFQF_CTL_0_PEDSIZE_MASK;
4261 	val |= ((u32)settings->pe_cntx_num << I40E_PFQF_CTL_0_PEDSIZE_SHIFT) &
4262 		I40E_PFQF_CTL_0_PEDSIZE_MASK;
4263 
4264 	/* Program required FCoE hash buckets for the PF */
4265 	val &= ~I40E_PFQF_CTL_0_PFFCHSIZE_MASK;
4266 	val |= ((u32)settings->fcoe_filt_num <<
4267 			I40E_PFQF_CTL_0_PFFCHSIZE_SHIFT) &
4268 		I40E_PFQF_CTL_0_PFFCHSIZE_MASK;
4269 	/* Program required FCoE DDP contexts for the PF */
4270 	val &= ~I40E_PFQF_CTL_0_PFFCDSIZE_MASK;
4271 	val |= ((u32)settings->fcoe_cntx_num <<
4272 			I40E_PFQF_CTL_0_PFFCDSIZE_SHIFT) &
4273 		I40E_PFQF_CTL_0_PFFCDSIZE_MASK;
4274 
4275 	/* Program Hash LUT size for the PF */
4276 	val &= ~I40E_PFQF_CTL_0_HASHLUTSIZE_MASK;
4277 	if (settings->hash_lut_size == I40E_HASH_LUT_SIZE_512)
4278 		hash_lut_size = 1;
4279 	val |= (hash_lut_size << I40E_PFQF_CTL_0_HASHLUTSIZE_SHIFT) &
4280 		I40E_PFQF_CTL_0_HASHLUTSIZE_MASK;
4281 
4282 	/* Enable FDIR, Ethertype and MACVLAN filters for PF and VFs */
4283 	if (settings->enable_fdir)
4284 		val |= I40E_PFQF_CTL_0_FD_ENA_MASK;
4285 	if (settings->enable_ethtype)
4286 		val |= I40E_PFQF_CTL_0_ETYPE_ENA_MASK;
4287 	if (settings->enable_macvlan)
4288 		val |= I40E_PFQF_CTL_0_MACVLAN_ENA_MASK;
4289 
4290 	i40e_write_rx_ctl(hw, I40E_PFQF_CTL_0, val);
4291 
4292 	return 0;
4293 }
4294 
4295 /**
4296  * i40e_aq_add_rem_control_packet_filter - Add or Remove Control Packet Filter
4297  * @hw: pointer to the hw struct
4298  * @mac_addr: MAC address to use in the filter
4299  * @ethtype: Ethertype to use in the filter
4300  * @flags: Flags that needs to be applied to the filter
4301  * @vsi_seid: seid of the control VSI
4302  * @queue: VSI queue number to send the packet to
4303  * @is_add: Add control packet filter if True else remove
4304  * @stats: Structure to hold information on control filter counts
4305  * @cmd_details: pointer to command details structure or NULL
4306  *
4307  * This command will Add or Remove control packet filter for a control VSI.
4308  * In return it will update the total number of perfect filter count in
4309  * the stats member.
4310  **/
i40e_aq_add_rem_control_packet_filter(struct i40e_hw * hw,u8 * mac_addr,u16 ethtype,u16 flags,u16 vsi_seid,u16 queue,bool is_add,struct i40e_control_filter_stats * stats,struct i40e_asq_cmd_details * cmd_details)4311 i40e_status i40e_aq_add_rem_control_packet_filter(struct i40e_hw *hw,
4312 				u8 *mac_addr, u16 ethtype, u16 flags,
4313 				u16 vsi_seid, u16 queue, bool is_add,
4314 				struct i40e_control_filter_stats *stats,
4315 				struct i40e_asq_cmd_details *cmd_details)
4316 {
4317 	struct i40e_aq_desc desc;
4318 	struct i40e_aqc_add_remove_control_packet_filter *cmd =
4319 		(struct i40e_aqc_add_remove_control_packet_filter *)
4320 		&desc.params.raw;
4321 	struct i40e_aqc_add_remove_control_packet_filter_completion *resp =
4322 		(struct i40e_aqc_add_remove_control_packet_filter_completion *)
4323 		&desc.params.raw;
4324 	i40e_status status;
4325 
4326 	if (vsi_seid == 0)
4327 		return I40E_ERR_PARAM;
4328 
4329 	if (is_add) {
4330 		i40e_fill_default_direct_cmd_desc(&desc,
4331 				i40e_aqc_opc_add_control_packet_filter);
4332 		cmd->queue = cpu_to_le16(queue);
4333 	} else {
4334 		i40e_fill_default_direct_cmd_desc(&desc,
4335 				i40e_aqc_opc_remove_control_packet_filter);
4336 	}
4337 
4338 	if (mac_addr)
4339 		ether_addr_copy(cmd->mac, mac_addr);
4340 
4341 	cmd->etype = cpu_to_le16(ethtype);
4342 	cmd->flags = cpu_to_le16(flags);
4343 	cmd->seid = cpu_to_le16(vsi_seid);
4344 
4345 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
4346 
4347 	if (!status && stats) {
4348 		stats->mac_etype_used = le16_to_cpu(resp->mac_etype_used);
4349 		stats->etype_used = le16_to_cpu(resp->etype_used);
4350 		stats->mac_etype_free = le16_to_cpu(resp->mac_etype_free);
4351 		stats->etype_free = le16_to_cpu(resp->etype_free);
4352 	}
4353 
4354 	return status;
4355 }
4356 
4357 /**
4358  * i40e_add_filter_to_drop_tx_flow_control_frames- filter to drop flow control
4359  * @hw: pointer to the hw struct
4360  * @seid: VSI seid to add ethertype filter from
4361  **/
i40e_add_filter_to_drop_tx_flow_control_frames(struct i40e_hw * hw,u16 seid)4362 void i40e_add_filter_to_drop_tx_flow_control_frames(struct i40e_hw *hw,
4363 						    u16 seid)
4364 {
4365 #define I40E_FLOW_CONTROL_ETHTYPE 0x8808
4366 	u16 flag = I40E_AQC_ADD_CONTROL_PACKET_FLAGS_IGNORE_MAC |
4367 		   I40E_AQC_ADD_CONTROL_PACKET_FLAGS_DROP |
4368 		   I40E_AQC_ADD_CONTROL_PACKET_FLAGS_TX;
4369 	u16 ethtype = I40E_FLOW_CONTROL_ETHTYPE;
4370 	i40e_status status;
4371 
4372 	status = i40e_aq_add_rem_control_packet_filter(hw, NULL, ethtype, flag,
4373 						       seid, 0, true, NULL,
4374 						       NULL);
4375 	if (status)
4376 		hw_dbg(hw, "Ethtype Filter Add failed: Error pruning Tx flow control frames\n");
4377 }
4378 
4379 /**
4380  * i40e_aq_alternate_read
4381  * @hw: pointer to the hardware structure
4382  * @reg_addr0: address of first dword to be read
4383  * @reg_val0: pointer for data read from 'reg_addr0'
4384  * @reg_addr1: address of second dword to be read
4385  * @reg_val1: pointer for data read from 'reg_addr1'
4386  *
4387  * Read one or two dwords from alternate structure. Fields are indicated
4388  * by 'reg_addr0' and 'reg_addr1' register numbers. If 'reg_val1' pointer
4389  * is not passed then only register at 'reg_addr0' is read.
4390  *
4391  **/
i40e_aq_alternate_read(struct i40e_hw * hw,u32 reg_addr0,u32 * reg_val0,u32 reg_addr1,u32 * reg_val1)4392 static i40e_status i40e_aq_alternate_read(struct i40e_hw *hw,
4393 					  u32 reg_addr0, u32 *reg_val0,
4394 					  u32 reg_addr1, u32 *reg_val1)
4395 {
4396 	struct i40e_aq_desc desc;
4397 	struct i40e_aqc_alternate_write *cmd_resp =
4398 		(struct i40e_aqc_alternate_write *)&desc.params.raw;
4399 	i40e_status status;
4400 
4401 	if (!reg_val0)
4402 		return I40E_ERR_PARAM;
4403 
4404 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_alternate_read);
4405 	cmd_resp->address0 = cpu_to_le32(reg_addr0);
4406 	cmd_resp->address1 = cpu_to_le32(reg_addr1);
4407 
4408 	status = i40e_asq_send_command(hw, &desc, NULL, 0, NULL);
4409 
4410 	if (!status) {
4411 		*reg_val0 = le32_to_cpu(cmd_resp->data0);
4412 
4413 		if (reg_val1)
4414 			*reg_val1 = le32_to_cpu(cmd_resp->data1);
4415 	}
4416 
4417 	return status;
4418 }
4419 
4420 /**
4421  * i40e_aq_resume_port_tx
4422  * @hw: pointer to the hardware structure
4423  * @cmd_details: pointer to command details structure or NULL
4424  *
4425  * Resume port's Tx traffic
4426  **/
i40e_aq_resume_port_tx(struct i40e_hw * hw,struct i40e_asq_cmd_details * cmd_details)4427 i40e_status i40e_aq_resume_port_tx(struct i40e_hw *hw,
4428 				   struct i40e_asq_cmd_details *cmd_details)
4429 {
4430 	struct i40e_aq_desc desc;
4431 	i40e_status status;
4432 
4433 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_resume_port_tx);
4434 
4435 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
4436 
4437 	return status;
4438 }
4439 
4440 /**
4441  * i40e_set_pci_config_data - store PCI bus info
4442  * @hw: pointer to hardware structure
4443  * @link_status: the link status word from PCI config space
4444  *
4445  * Stores the PCI bus info (speed, width, type) within the i40e_hw structure
4446  **/
i40e_set_pci_config_data(struct i40e_hw * hw,u16 link_status)4447 void i40e_set_pci_config_data(struct i40e_hw *hw, u16 link_status)
4448 {
4449 	hw->bus.type = i40e_bus_type_pci_express;
4450 
4451 	switch (link_status & PCI_EXP_LNKSTA_NLW) {
4452 	case PCI_EXP_LNKSTA_NLW_X1:
4453 		hw->bus.width = i40e_bus_width_pcie_x1;
4454 		break;
4455 	case PCI_EXP_LNKSTA_NLW_X2:
4456 		hw->bus.width = i40e_bus_width_pcie_x2;
4457 		break;
4458 	case PCI_EXP_LNKSTA_NLW_X4:
4459 		hw->bus.width = i40e_bus_width_pcie_x4;
4460 		break;
4461 	case PCI_EXP_LNKSTA_NLW_X8:
4462 		hw->bus.width = i40e_bus_width_pcie_x8;
4463 		break;
4464 	default:
4465 		hw->bus.width = i40e_bus_width_unknown;
4466 		break;
4467 	}
4468 
4469 	switch (link_status & PCI_EXP_LNKSTA_CLS) {
4470 	case PCI_EXP_LNKSTA_CLS_2_5GB:
4471 		hw->bus.speed = i40e_bus_speed_2500;
4472 		break;
4473 	case PCI_EXP_LNKSTA_CLS_5_0GB:
4474 		hw->bus.speed = i40e_bus_speed_5000;
4475 		break;
4476 	case PCI_EXP_LNKSTA_CLS_8_0GB:
4477 		hw->bus.speed = i40e_bus_speed_8000;
4478 		break;
4479 	default:
4480 		hw->bus.speed = i40e_bus_speed_unknown;
4481 		break;
4482 	}
4483 }
4484 
4485 /**
4486  * i40e_aq_debug_dump
4487  * @hw: pointer to the hardware structure
4488  * @cluster_id: specific cluster to dump
4489  * @table_id: table id within cluster
4490  * @start_index: index of line in the block to read
4491  * @buff_size: dump buffer size
4492  * @buff: dump buffer
4493  * @ret_buff_size: actual buffer size returned
4494  * @ret_next_table: next block to read
4495  * @ret_next_index: next index to read
4496  * @cmd_details: pointer to command details structure or NULL
4497  *
4498  * Dump internal FW/HW data for debug purposes.
4499  *
4500  **/
i40e_aq_debug_dump(struct i40e_hw * hw,u8 cluster_id,u8 table_id,u32 start_index,u16 buff_size,void * buff,u16 * ret_buff_size,u8 * ret_next_table,u32 * ret_next_index,struct i40e_asq_cmd_details * cmd_details)4501 i40e_status i40e_aq_debug_dump(struct i40e_hw *hw, u8 cluster_id,
4502 			       u8 table_id, u32 start_index, u16 buff_size,
4503 			       void *buff, u16 *ret_buff_size,
4504 			       u8 *ret_next_table, u32 *ret_next_index,
4505 			       struct i40e_asq_cmd_details *cmd_details)
4506 {
4507 	struct i40e_aq_desc desc;
4508 	struct i40e_aqc_debug_dump_internals *cmd =
4509 		(struct i40e_aqc_debug_dump_internals *)&desc.params.raw;
4510 	struct i40e_aqc_debug_dump_internals *resp =
4511 		(struct i40e_aqc_debug_dump_internals *)&desc.params.raw;
4512 	i40e_status status;
4513 
4514 	if (buff_size == 0 || !buff)
4515 		return I40E_ERR_PARAM;
4516 
4517 	i40e_fill_default_direct_cmd_desc(&desc,
4518 					  i40e_aqc_opc_debug_dump_internals);
4519 	/* Indirect Command */
4520 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
4521 	if (buff_size > I40E_AQ_LARGE_BUF)
4522 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
4523 
4524 	cmd->cluster_id = cluster_id;
4525 	cmd->table_id = table_id;
4526 	cmd->idx = cpu_to_le32(start_index);
4527 
4528 	desc.datalen = cpu_to_le16(buff_size);
4529 
4530 	status = i40e_asq_send_command(hw, &desc, buff, buff_size, cmd_details);
4531 	if (!status) {
4532 		if (ret_buff_size)
4533 			*ret_buff_size = le16_to_cpu(desc.datalen);
4534 		if (ret_next_table)
4535 			*ret_next_table = resp->table_id;
4536 		if (ret_next_index)
4537 			*ret_next_index = le32_to_cpu(resp->idx);
4538 	}
4539 
4540 	return status;
4541 }
4542 
4543 /**
4544  * i40e_read_bw_from_alt_ram
4545  * @hw: pointer to the hardware structure
4546  * @max_bw: pointer for max_bw read
4547  * @min_bw: pointer for min_bw read
4548  * @min_valid: pointer for bool that is true if min_bw is a valid value
4549  * @max_valid: pointer for bool that is true if max_bw is a valid value
4550  *
4551  * Read bw from the alternate ram for the given pf
4552  **/
i40e_read_bw_from_alt_ram(struct i40e_hw * hw,u32 * max_bw,u32 * min_bw,bool * min_valid,bool * max_valid)4553 i40e_status i40e_read_bw_from_alt_ram(struct i40e_hw *hw,
4554 				      u32 *max_bw, u32 *min_bw,
4555 				      bool *min_valid, bool *max_valid)
4556 {
4557 	i40e_status status;
4558 	u32 max_bw_addr, min_bw_addr;
4559 
4560 	/* Calculate the address of the min/max bw registers */
4561 	max_bw_addr = I40E_ALT_STRUCT_FIRST_PF_OFFSET +
4562 		      I40E_ALT_STRUCT_MAX_BW_OFFSET +
4563 		      (I40E_ALT_STRUCT_DWORDS_PER_PF * hw->pf_id);
4564 	min_bw_addr = I40E_ALT_STRUCT_FIRST_PF_OFFSET +
4565 		      I40E_ALT_STRUCT_MIN_BW_OFFSET +
4566 		      (I40E_ALT_STRUCT_DWORDS_PER_PF * hw->pf_id);
4567 
4568 	/* Read the bandwidths from alt ram */
4569 	status = i40e_aq_alternate_read(hw, max_bw_addr, max_bw,
4570 					min_bw_addr, min_bw);
4571 
4572 	if (*min_bw & I40E_ALT_BW_VALID_MASK)
4573 		*min_valid = true;
4574 	else
4575 		*min_valid = false;
4576 
4577 	if (*max_bw & I40E_ALT_BW_VALID_MASK)
4578 		*max_valid = true;
4579 	else
4580 		*max_valid = false;
4581 
4582 	return status;
4583 }
4584 
4585 /**
4586  * i40e_aq_configure_partition_bw
4587  * @hw: pointer to the hardware structure
4588  * @bw_data: Buffer holding valid pfs and bw limits
4589  * @cmd_details: pointer to command details
4590  *
4591  * Configure partitions guaranteed/max bw
4592  **/
i40e_aq_configure_partition_bw(struct i40e_hw * hw,struct i40e_aqc_configure_partition_bw_data * bw_data,struct i40e_asq_cmd_details * cmd_details)4593 i40e_status i40e_aq_configure_partition_bw(struct i40e_hw *hw,
4594 			struct i40e_aqc_configure_partition_bw_data *bw_data,
4595 			struct i40e_asq_cmd_details *cmd_details)
4596 {
4597 	i40e_status status;
4598 	struct i40e_aq_desc desc;
4599 	u16 bwd_size = sizeof(*bw_data);
4600 
4601 	i40e_fill_default_direct_cmd_desc(&desc,
4602 					  i40e_aqc_opc_configure_partition_bw);
4603 
4604 	/* Indirect command */
4605 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
4606 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_RD);
4607 
4608 	if (bwd_size > I40E_AQ_LARGE_BUF)
4609 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
4610 
4611 	desc.datalen = cpu_to_le16(bwd_size);
4612 
4613 	status = i40e_asq_send_command(hw, &desc, bw_data, bwd_size,
4614 				       cmd_details);
4615 
4616 	return status;
4617 }
4618 
4619 /**
4620  * i40e_read_phy_register_clause22
4621  * @hw: pointer to the HW structure
4622  * @reg: register address in the page
4623  * @phy_addr: PHY address on MDIO interface
4624  * @value: PHY register value
4625  *
4626  * Reads specified PHY register value
4627  **/
i40e_read_phy_register_clause22(struct i40e_hw * hw,u16 reg,u8 phy_addr,u16 * value)4628 i40e_status i40e_read_phy_register_clause22(struct i40e_hw *hw,
4629 					    u16 reg, u8 phy_addr, u16 *value)
4630 {
4631 	i40e_status status = I40E_ERR_TIMEOUT;
4632 	u8 port_num = (u8)hw->func_caps.mdio_port_num;
4633 	u32 command = 0;
4634 	u16 retry = 1000;
4635 
4636 	command = (reg << I40E_GLGEN_MSCA_DEVADD_SHIFT) |
4637 		  (phy_addr << I40E_GLGEN_MSCA_PHYADD_SHIFT) |
4638 		  (I40E_MDIO_CLAUSE22_OPCODE_READ_MASK) |
4639 		  (I40E_MDIO_CLAUSE22_STCODE_MASK) |
4640 		  (I40E_GLGEN_MSCA_MDICMD_MASK);
4641 	wr32(hw, I40E_GLGEN_MSCA(port_num), command);
4642 	do {
4643 		command = rd32(hw, I40E_GLGEN_MSCA(port_num));
4644 		if (!(command & I40E_GLGEN_MSCA_MDICMD_MASK)) {
4645 			status = 0;
4646 			break;
4647 		}
4648 		udelay(10);
4649 		retry--;
4650 	} while (retry);
4651 
4652 	if (status) {
4653 		i40e_debug(hw, I40E_DEBUG_PHY,
4654 			   "PHY: Can't write command to external PHY.\n");
4655 	} else {
4656 		command = rd32(hw, I40E_GLGEN_MSRWD(port_num));
4657 		*value = (command & I40E_GLGEN_MSRWD_MDIRDDATA_MASK) >>
4658 			 I40E_GLGEN_MSRWD_MDIRDDATA_SHIFT;
4659 	}
4660 
4661 	return status;
4662 }
4663 
4664 /**
4665  * i40e_write_phy_register_clause22
4666  * @hw: pointer to the HW structure
4667  * @reg: register address in the page
4668  * @phy_addr: PHY address on MDIO interface
4669  * @value: PHY register value
4670  *
4671  * Writes specified PHY register value
4672  **/
i40e_write_phy_register_clause22(struct i40e_hw * hw,u16 reg,u8 phy_addr,u16 value)4673 i40e_status i40e_write_phy_register_clause22(struct i40e_hw *hw,
4674 					     u16 reg, u8 phy_addr, u16 value)
4675 {
4676 	i40e_status status = I40E_ERR_TIMEOUT;
4677 	u8 port_num = (u8)hw->func_caps.mdio_port_num;
4678 	u32 command  = 0;
4679 	u16 retry = 1000;
4680 
4681 	command = value << I40E_GLGEN_MSRWD_MDIWRDATA_SHIFT;
4682 	wr32(hw, I40E_GLGEN_MSRWD(port_num), command);
4683 
4684 	command = (reg << I40E_GLGEN_MSCA_DEVADD_SHIFT) |
4685 		  (phy_addr << I40E_GLGEN_MSCA_PHYADD_SHIFT) |
4686 		  (I40E_MDIO_CLAUSE22_OPCODE_WRITE_MASK) |
4687 		  (I40E_MDIO_CLAUSE22_STCODE_MASK) |
4688 		  (I40E_GLGEN_MSCA_MDICMD_MASK);
4689 
4690 	wr32(hw, I40E_GLGEN_MSCA(port_num), command);
4691 	do {
4692 		command = rd32(hw, I40E_GLGEN_MSCA(port_num));
4693 		if (!(command & I40E_GLGEN_MSCA_MDICMD_MASK)) {
4694 			status = 0;
4695 			break;
4696 		}
4697 		udelay(10);
4698 		retry--;
4699 	} while (retry);
4700 
4701 	return status;
4702 }
4703 
4704 /**
4705  * i40e_read_phy_register_clause45
4706  * @hw: pointer to the HW structure
4707  * @page: registers page number
4708  * @reg: register address in the page
4709  * @phy_addr: PHY address on MDIO interface
4710  * @value: PHY register value
4711  *
4712  * Reads specified PHY register value
4713  **/
i40e_read_phy_register_clause45(struct i40e_hw * hw,u8 page,u16 reg,u8 phy_addr,u16 * value)4714 i40e_status i40e_read_phy_register_clause45(struct i40e_hw *hw,
4715 				u8 page, u16 reg, u8 phy_addr, u16 *value)
4716 {
4717 	i40e_status status = I40E_ERR_TIMEOUT;
4718 	u32 command = 0;
4719 	u16 retry = 1000;
4720 	u8 port_num = hw->func_caps.mdio_port_num;
4721 
4722 	command = (reg << I40E_GLGEN_MSCA_MDIADD_SHIFT) |
4723 		  (page << I40E_GLGEN_MSCA_DEVADD_SHIFT) |
4724 		  (phy_addr << I40E_GLGEN_MSCA_PHYADD_SHIFT) |
4725 		  (I40E_MDIO_CLAUSE45_OPCODE_ADDRESS_MASK) |
4726 		  (I40E_MDIO_CLAUSE45_STCODE_MASK) |
4727 		  (I40E_GLGEN_MSCA_MDICMD_MASK) |
4728 		  (I40E_GLGEN_MSCA_MDIINPROGEN_MASK);
4729 	wr32(hw, I40E_GLGEN_MSCA(port_num), command);
4730 	do {
4731 		command = rd32(hw, I40E_GLGEN_MSCA(port_num));
4732 		if (!(command & I40E_GLGEN_MSCA_MDICMD_MASK)) {
4733 			status = 0;
4734 			break;
4735 		}
4736 		usleep_range(10, 20);
4737 		retry--;
4738 	} while (retry);
4739 
4740 	if (status) {
4741 		i40e_debug(hw, I40E_DEBUG_PHY,
4742 			   "PHY: Can't write command to external PHY.\n");
4743 		goto phy_read_end;
4744 	}
4745 
4746 	command = (page << I40E_GLGEN_MSCA_DEVADD_SHIFT) |
4747 		  (phy_addr << I40E_GLGEN_MSCA_PHYADD_SHIFT) |
4748 		  (I40E_MDIO_CLAUSE45_OPCODE_READ_MASK) |
4749 		  (I40E_MDIO_CLAUSE45_STCODE_MASK) |
4750 		  (I40E_GLGEN_MSCA_MDICMD_MASK) |
4751 		  (I40E_GLGEN_MSCA_MDIINPROGEN_MASK);
4752 	status = I40E_ERR_TIMEOUT;
4753 	retry = 1000;
4754 	wr32(hw, I40E_GLGEN_MSCA(port_num), command);
4755 	do {
4756 		command = rd32(hw, I40E_GLGEN_MSCA(port_num));
4757 		if (!(command & I40E_GLGEN_MSCA_MDICMD_MASK)) {
4758 			status = 0;
4759 			break;
4760 		}
4761 		usleep_range(10, 20);
4762 		retry--;
4763 	} while (retry);
4764 
4765 	if (!status) {
4766 		command = rd32(hw, I40E_GLGEN_MSRWD(port_num));
4767 		*value = (command & I40E_GLGEN_MSRWD_MDIRDDATA_MASK) >>
4768 			 I40E_GLGEN_MSRWD_MDIRDDATA_SHIFT;
4769 	} else {
4770 		i40e_debug(hw, I40E_DEBUG_PHY,
4771 			   "PHY: Can't read register value from external PHY.\n");
4772 	}
4773 
4774 phy_read_end:
4775 	return status;
4776 }
4777 
4778 /**
4779  * i40e_write_phy_register_clause45
4780  * @hw: pointer to the HW structure
4781  * @page: registers page number
4782  * @reg: register address in the page
4783  * @phy_addr: PHY address on MDIO interface
4784  * @value: PHY register value
4785  *
4786  * Writes value to specified PHY register
4787  **/
i40e_write_phy_register_clause45(struct i40e_hw * hw,u8 page,u16 reg,u8 phy_addr,u16 value)4788 i40e_status i40e_write_phy_register_clause45(struct i40e_hw *hw,
4789 				u8 page, u16 reg, u8 phy_addr, u16 value)
4790 {
4791 	i40e_status status = I40E_ERR_TIMEOUT;
4792 	u32 command = 0;
4793 	u16 retry = 1000;
4794 	u8 port_num = hw->func_caps.mdio_port_num;
4795 
4796 	command = (reg << I40E_GLGEN_MSCA_MDIADD_SHIFT) |
4797 		  (page << I40E_GLGEN_MSCA_DEVADD_SHIFT) |
4798 		  (phy_addr << I40E_GLGEN_MSCA_PHYADD_SHIFT) |
4799 		  (I40E_MDIO_CLAUSE45_OPCODE_ADDRESS_MASK) |
4800 		  (I40E_MDIO_CLAUSE45_STCODE_MASK) |
4801 		  (I40E_GLGEN_MSCA_MDICMD_MASK) |
4802 		  (I40E_GLGEN_MSCA_MDIINPROGEN_MASK);
4803 	wr32(hw, I40E_GLGEN_MSCA(port_num), command);
4804 	do {
4805 		command = rd32(hw, I40E_GLGEN_MSCA(port_num));
4806 		if (!(command & I40E_GLGEN_MSCA_MDICMD_MASK)) {
4807 			status = 0;
4808 			break;
4809 		}
4810 		usleep_range(10, 20);
4811 		retry--;
4812 	} while (retry);
4813 	if (status) {
4814 		i40e_debug(hw, I40E_DEBUG_PHY,
4815 			   "PHY: Can't write command to external PHY.\n");
4816 		goto phy_write_end;
4817 	}
4818 
4819 	command = value << I40E_GLGEN_MSRWD_MDIWRDATA_SHIFT;
4820 	wr32(hw, I40E_GLGEN_MSRWD(port_num), command);
4821 
4822 	command = (page << I40E_GLGEN_MSCA_DEVADD_SHIFT) |
4823 		  (phy_addr << I40E_GLGEN_MSCA_PHYADD_SHIFT) |
4824 		  (I40E_MDIO_CLAUSE45_OPCODE_WRITE_MASK) |
4825 		  (I40E_MDIO_CLAUSE45_STCODE_MASK) |
4826 		  (I40E_GLGEN_MSCA_MDICMD_MASK) |
4827 		  (I40E_GLGEN_MSCA_MDIINPROGEN_MASK);
4828 	status = I40E_ERR_TIMEOUT;
4829 	retry = 1000;
4830 	wr32(hw, I40E_GLGEN_MSCA(port_num), command);
4831 	do {
4832 		command = rd32(hw, I40E_GLGEN_MSCA(port_num));
4833 		if (!(command & I40E_GLGEN_MSCA_MDICMD_MASK)) {
4834 			status = 0;
4835 			break;
4836 		}
4837 		usleep_range(10, 20);
4838 		retry--;
4839 	} while (retry);
4840 
4841 phy_write_end:
4842 	return status;
4843 }
4844 
4845 /**
4846  * i40e_write_phy_register
4847  * @hw: pointer to the HW structure
4848  * @page: registers page number
4849  * @reg: register address in the page
4850  * @phy_addr: PHY address on MDIO interface
4851  * @value: PHY register value
4852  *
4853  * Writes value to specified PHY register
4854  **/
i40e_write_phy_register(struct i40e_hw * hw,u8 page,u16 reg,u8 phy_addr,u16 value)4855 i40e_status i40e_write_phy_register(struct i40e_hw *hw,
4856 				    u8 page, u16 reg, u8 phy_addr, u16 value)
4857 {
4858 	i40e_status status;
4859 
4860 	switch (hw->device_id) {
4861 	case I40E_DEV_ID_1G_BASE_T_X722:
4862 		status = i40e_write_phy_register_clause22(hw, reg, phy_addr,
4863 							  value);
4864 		break;
4865 	case I40E_DEV_ID_10G_BASE_T:
4866 	case I40E_DEV_ID_10G_BASE_T4:
4867 	case I40E_DEV_ID_10G_BASE_T_X722:
4868 	case I40E_DEV_ID_25G_B:
4869 	case I40E_DEV_ID_25G_SFP28:
4870 		status = i40e_write_phy_register_clause45(hw, page, reg,
4871 							  phy_addr, value);
4872 		break;
4873 	default:
4874 		status = I40E_ERR_UNKNOWN_PHY;
4875 		break;
4876 	}
4877 
4878 	return status;
4879 }
4880 
4881 /**
4882  * i40e_read_phy_register
4883  * @hw: pointer to the HW structure
4884  * @page: registers page number
4885  * @reg: register address in the page
4886  * @phy_addr: PHY address on MDIO interface
4887  * @value: PHY register value
4888  *
4889  * Reads specified PHY register value
4890  **/
i40e_read_phy_register(struct i40e_hw * hw,u8 page,u16 reg,u8 phy_addr,u16 * value)4891 i40e_status i40e_read_phy_register(struct i40e_hw *hw,
4892 				   u8 page, u16 reg, u8 phy_addr, u16 *value)
4893 {
4894 	i40e_status status;
4895 
4896 	switch (hw->device_id) {
4897 	case I40E_DEV_ID_1G_BASE_T_X722:
4898 		status = i40e_read_phy_register_clause22(hw, reg, phy_addr,
4899 							 value);
4900 		break;
4901 	case I40E_DEV_ID_10G_BASE_T:
4902 	case I40E_DEV_ID_10G_BASE_T4:
4903 	case I40E_DEV_ID_10G_BASE_T_X722:
4904 	case I40E_DEV_ID_25G_B:
4905 	case I40E_DEV_ID_25G_SFP28:
4906 		status = i40e_read_phy_register_clause45(hw, page, reg,
4907 							 phy_addr, value);
4908 		break;
4909 	default:
4910 		status = I40E_ERR_UNKNOWN_PHY;
4911 		break;
4912 	}
4913 
4914 	return status;
4915 }
4916 
4917 /**
4918  * i40e_get_phy_address
4919  * @hw: pointer to the HW structure
4920  * @dev_num: PHY port num that address we want
4921  *
4922  * Gets PHY address for current port
4923  **/
i40e_get_phy_address(struct i40e_hw * hw,u8 dev_num)4924 u8 i40e_get_phy_address(struct i40e_hw *hw, u8 dev_num)
4925 {
4926 	u8 port_num = hw->func_caps.mdio_port_num;
4927 	u32 reg_val = rd32(hw, I40E_GLGEN_MDIO_I2C_SEL(port_num));
4928 
4929 	return (u8)(reg_val >> ((dev_num + 1) * 5)) & 0x1f;
4930 }
4931 
4932 /**
4933  * i40e_blink_phy_led
4934  * @hw: pointer to the HW structure
4935  * @time: time how long led will blinks in secs
4936  * @interval: gap between LED on and off in msecs
4937  *
4938  * Blinks PHY link LED
4939  **/
i40e_blink_phy_link_led(struct i40e_hw * hw,u32 time,u32 interval)4940 i40e_status i40e_blink_phy_link_led(struct i40e_hw *hw,
4941 				    u32 time, u32 interval)
4942 {
4943 	i40e_status status = 0;
4944 	u32 i;
4945 	u16 led_ctl;
4946 	u16 gpio_led_port;
4947 	u16 led_reg;
4948 	u16 led_addr = I40E_PHY_LED_PROV_REG_1;
4949 	u8 phy_addr = 0;
4950 	u8 port_num;
4951 
4952 	i = rd32(hw, I40E_PFGEN_PORTNUM);
4953 	port_num = (u8)(i & I40E_PFGEN_PORTNUM_PORT_NUM_MASK);
4954 	phy_addr = i40e_get_phy_address(hw, port_num);
4955 
4956 	for (gpio_led_port = 0; gpio_led_port < 3; gpio_led_port++,
4957 	     led_addr++) {
4958 		status = i40e_read_phy_register_clause45(hw,
4959 							 I40E_PHY_COM_REG_PAGE,
4960 							 led_addr, phy_addr,
4961 							 &led_reg);
4962 		if (status)
4963 			goto phy_blinking_end;
4964 		led_ctl = led_reg;
4965 		if (led_reg & I40E_PHY_LED_LINK_MODE_MASK) {
4966 			led_reg = 0;
4967 			status = i40e_write_phy_register_clause45(hw,
4968 							 I40E_PHY_COM_REG_PAGE,
4969 							 led_addr, phy_addr,
4970 							 led_reg);
4971 			if (status)
4972 				goto phy_blinking_end;
4973 			break;
4974 		}
4975 	}
4976 
4977 	if (time > 0 && interval > 0) {
4978 		for (i = 0; i < time * 1000; i += interval) {
4979 			status = i40e_read_phy_register_clause45(hw,
4980 						I40E_PHY_COM_REG_PAGE,
4981 						led_addr, phy_addr, &led_reg);
4982 			if (status)
4983 				goto restore_config;
4984 			if (led_reg & I40E_PHY_LED_MANUAL_ON)
4985 				led_reg = 0;
4986 			else
4987 				led_reg = I40E_PHY_LED_MANUAL_ON;
4988 			status = i40e_write_phy_register_clause45(hw,
4989 						I40E_PHY_COM_REG_PAGE,
4990 						led_addr, phy_addr, led_reg);
4991 			if (status)
4992 				goto restore_config;
4993 			msleep(interval);
4994 		}
4995 	}
4996 
4997 restore_config:
4998 	status = i40e_write_phy_register_clause45(hw,
4999 						  I40E_PHY_COM_REG_PAGE,
5000 						  led_addr, phy_addr, led_ctl);
5001 
5002 phy_blinking_end:
5003 	return status;
5004 }
5005 
5006 /**
5007  * i40e_led_get_reg - read LED register
5008  * @hw: pointer to the HW structure
5009  * @led_addr: LED register address
5010  * @reg_val: read register value
5011  **/
i40e_led_get_reg(struct i40e_hw * hw,u16 led_addr,u32 * reg_val)5012 static enum i40e_status_code i40e_led_get_reg(struct i40e_hw *hw, u16 led_addr,
5013 					      u32 *reg_val)
5014 {
5015 	enum i40e_status_code status;
5016 	u8 phy_addr = 0;
5017 	u8 port_num;
5018 	u32 i;
5019 
5020 	*reg_val = 0;
5021 	if (hw->flags & I40E_HW_FLAG_AQ_PHY_ACCESS_CAPABLE) {
5022 		status =
5023 		       i40e_aq_get_phy_register(hw,
5024 						I40E_AQ_PHY_REG_ACCESS_EXTERNAL,
5025 						I40E_PHY_COM_REG_PAGE,
5026 						I40E_PHY_LED_PROV_REG_1,
5027 						reg_val, NULL);
5028 	} else {
5029 		i = rd32(hw, I40E_PFGEN_PORTNUM);
5030 		port_num = (u8)(i & I40E_PFGEN_PORTNUM_PORT_NUM_MASK);
5031 		phy_addr = i40e_get_phy_address(hw, port_num);
5032 		status = i40e_read_phy_register_clause45(hw,
5033 							 I40E_PHY_COM_REG_PAGE,
5034 							 led_addr, phy_addr,
5035 							 (u16 *)reg_val);
5036 	}
5037 	return status;
5038 }
5039 
5040 /**
5041  * i40e_led_set_reg - write LED register
5042  * @hw: pointer to the HW structure
5043  * @led_addr: LED register address
5044  * @reg_val: register value to write
5045  **/
i40e_led_set_reg(struct i40e_hw * hw,u16 led_addr,u32 reg_val)5046 static enum i40e_status_code i40e_led_set_reg(struct i40e_hw *hw, u16 led_addr,
5047 					      u32 reg_val)
5048 {
5049 	enum i40e_status_code status;
5050 	u8 phy_addr = 0;
5051 	u8 port_num;
5052 	u32 i;
5053 
5054 	if (hw->flags & I40E_HW_FLAG_AQ_PHY_ACCESS_CAPABLE) {
5055 		status =
5056 		       i40e_aq_set_phy_register(hw,
5057 						I40E_AQ_PHY_REG_ACCESS_EXTERNAL,
5058 						I40E_PHY_COM_REG_PAGE,
5059 						I40E_PHY_LED_PROV_REG_1,
5060 						reg_val, NULL);
5061 	} else {
5062 		i = rd32(hw, I40E_PFGEN_PORTNUM);
5063 		port_num = (u8)(i & I40E_PFGEN_PORTNUM_PORT_NUM_MASK);
5064 		phy_addr = i40e_get_phy_address(hw, port_num);
5065 		status = i40e_write_phy_register_clause45(hw,
5066 							  I40E_PHY_COM_REG_PAGE,
5067 							  led_addr, phy_addr,
5068 							  (u16)reg_val);
5069 	}
5070 
5071 	return status;
5072 }
5073 
5074 /**
5075  * i40e_led_get_phy - return current on/off mode
5076  * @hw: pointer to the hw struct
5077  * @led_addr: address of led register to use
5078  * @val: original value of register to use
5079  *
5080  **/
i40e_led_get_phy(struct i40e_hw * hw,u16 * led_addr,u16 * val)5081 i40e_status i40e_led_get_phy(struct i40e_hw *hw, u16 *led_addr,
5082 			     u16 *val)
5083 {
5084 	i40e_status status = 0;
5085 	u16 gpio_led_port;
5086 	u8 phy_addr = 0;
5087 	u16 reg_val;
5088 	u16 temp_addr;
5089 	u8 port_num;
5090 	u32 i;
5091 	u32 reg_val_aq;
5092 
5093 	if (hw->flags & I40E_HW_FLAG_AQ_PHY_ACCESS_CAPABLE) {
5094 		status =
5095 		      i40e_aq_get_phy_register(hw,
5096 					       I40E_AQ_PHY_REG_ACCESS_EXTERNAL,
5097 					       I40E_PHY_COM_REG_PAGE,
5098 					       I40E_PHY_LED_PROV_REG_1,
5099 					       &reg_val_aq, NULL);
5100 		if (status == I40E_SUCCESS)
5101 			*val = (u16)reg_val_aq;
5102 		return status;
5103 	}
5104 	temp_addr = I40E_PHY_LED_PROV_REG_1;
5105 	i = rd32(hw, I40E_PFGEN_PORTNUM);
5106 	port_num = (u8)(i & I40E_PFGEN_PORTNUM_PORT_NUM_MASK);
5107 	phy_addr = i40e_get_phy_address(hw, port_num);
5108 
5109 	for (gpio_led_port = 0; gpio_led_port < 3; gpio_led_port++,
5110 	     temp_addr++) {
5111 		status = i40e_read_phy_register_clause45(hw,
5112 							 I40E_PHY_COM_REG_PAGE,
5113 							 temp_addr, phy_addr,
5114 							 &reg_val);
5115 		if (status)
5116 			return status;
5117 		*val = reg_val;
5118 		if (reg_val & I40E_PHY_LED_LINK_MODE_MASK) {
5119 			*led_addr = temp_addr;
5120 			break;
5121 		}
5122 	}
5123 	return status;
5124 }
5125 
5126 /**
5127  * i40e_led_set_phy
5128  * @hw: pointer to the HW structure
5129  * @on: true or false
5130  * @led_addr: address of led register to use
5131  * @mode: original val plus bit for set or ignore
5132  *
5133  * Set led's on or off when controlled by the PHY
5134  *
5135  **/
i40e_led_set_phy(struct i40e_hw * hw,bool on,u16 led_addr,u32 mode)5136 i40e_status i40e_led_set_phy(struct i40e_hw *hw, bool on,
5137 			     u16 led_addr, u32 mode)
5138 {
5139 	i40e_status status = 0;
5140 	u32 led_ctl = 0;
5141 	u32 led_reg = 0;
5142 
5143 	status = i40e_led_get_reg(hw, led_addr, &led_reg);
5144 	if (status)
5145 		return status;
5146 	led_ctl = led_reg;
5147 	if (led_reg & I40E_PHY_LED_LINK_MODE_MASK) {
5148 		led_reg = 0;
5149 		status = i40e_led_set_reg(hw, led_addr, led_reg);
5150 		if (status)
5151 			return status;
5152 	}
5153 	status = i40e_led_get_reg(hw, led_addr, &led_reg);
5154 	if (status)
5155 		goto restore_config;
5156 	if (on)
5157 		led_reg = I40E_PHY_LED_MANUAL_ON;
5158 	else
5159 		led_reg = 0;
5160 
5161 	status = i40e_led_set_reg(hw, led_addr, led_reg);
5162 	if (status)
5163 		goto restore_config;
5164 	if (mode & I40E_PHY_LED_MODE_ORIG) {
5165 		led_ctl = (mode & I40E_PHY_LED_MODE_MASK);
5166 		status = i40e_led_set_reg(hw, led_addr, led_ctl);
5167 	}
5168 	return status;
5169 
5170 restore_config:
5171 	status = i40e_led_set_reg(hw, led_addr, led_ctl);
5172 	return status;
5173 }
5174 
5175 /**
5176  * i40e_aq_rx_ctl_read_register - use FW to read from an Rx control register
5177  * @hw: pointer to the hw struct
5178  * @reg_addr: register address
5179  * @reg_val: ptr to register value
5180  * @cmd_details: pointer to command details structure or NULL
5181  *
5182  * Use the firmware to read the Rx control register,
5183  * especially useful if the Rx unit is under heavy pressure
5184  **/
i40e_aq_rx_ctl_read_register(struct i40e_hw * hw,u32 reg_addr,u32 * reg_val,struct i40e_asq_cmd_details * cmd_details)5185 i40e_status i40e_aq_rx_ctl_read_register(struct i40e_hw *hw,
5186 				u32 reg_addr, u32 *reg_val,
5187 				struct i40e_asq_cmd_details *cmd_details)
5188 {
5189 	struct i40e_aq_desc desc;
5190 	struct i40e_aqc_rx_ctl_reg_read_write *cmd_resp =
5191 		(struct i40e_aqc_rx_ctl_reg_read_write *)&desc.params.raw;
5192 	i40e_status status;
5193 
5194 	if (!reg_val)
5195 		return I40E_ERR_PARAM;
5196 
5197 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_rx_ctl_reg_read);
5198 
5199 	cmd_resp->address = cpu_to_le32(reg_addr);
5200 
5201 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
5202 
5203 	if (status == 0)
5204 		*reg_val = le32_to_cpu(cmd_resp->value);
5205 
5206 	return status;
5207 }
5208 
5209 /**
5210  * i40e_read_rx_ctl - read from an Rx control register
5211  * @hw: pointer to the hw struct
5212  * @reg_addr: register address
5213  **/
i40e_read_rx_ctl(struct i40e_hw * hw,u32 reg_addr)5214 u32 i40e_read_rx_ctl(struct i40e_hw *hw, u32 reg_addr)
5215 {
5216 	i40e_status status = 0;
5217 	bool use_register;
5218 	int retry = 5;
5219 	u32 val = 0;
5220 
5221 	use_register = (((hw->aq.api_maj_ver == 1) &&
5222 			(hw->aq.api_min_ver < 5)) ||
5223 			(hw->mac.type == I40E_MAC_X722));
5224 	if (!use_register) {
5225 do_retry:
5226 		status = i40e_aq_rx_ctl_read_register(hw, reg_addr, &val, NULL);
5227 		if (hw->aq.asq_last_status == I40E_AQ_RC_EAGAIN && retry) {
5228 			usleep_range(1000, 2000);
5229 			retry--;
5230 			goto do_retry;
5231 		}
5232 	}
5233 
5234 	/* if the AQ access failed, try the old-fashioned way */
5235 	if (status || use_register)
5236 		val = rd32(hw, reg_addr);
5237 
5238 	return val;
5239 }
5240 
5241 /**
5242  * i40e_aq_rx_ctl_write_register
5243  * @hw: pointer to the hw struct
5244  * @reg_addr: register address
5245  * @reg_val: register value
5246  * @cmd_details: pointer to command details structure or NULL
5247  *
5248  * Use the firmware to write to an Rx control register,
5249  * especially useful if the Rx unit is under heavy pressure
5250  **/
i40e_aq_rx_ctl_write_register(struct i40e_hw * hw,u32 reg_addr,u32 reg_val,struct i40e_asq_cmd_details * cmd_details)5251 i40e_status i40e_aq_rx_ctl_write_register(struct i40e_hw *hw,
5252 				u32 reg_addr, u32 reg_val,
5253 				struct i40e_asq_cmd_details *cmd_details)
5254 {
5255 	struct i40e_aq_desc desc;
5256 	struct i40e_aqc_rx_ctl_reg_read_write *cmd =
5257 		(struct i40e_aqc_rx_ctl_reg_read_write *)&desc.params.raw;
5258 	i40e_status status;
5259 
5260 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_rx_ctl_reg_write);
5261 
5262 	cmd->address = cpu_to_le32(reg_addr);
5263 	cmd->value = cpu_to_le32(reg_val);
5264 
5265 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
5266 
5267 	return status;
5268 }
5269 
5270 /**
5271  * i40e_write_rx_ctl - write to an Rx control register
5272  * @hw: pointer to the hw struct
5273  * @reg_addr: register address
5274  * @reg_val: register value
5275  **/
i40e_write_rx_ctl(struct i40e_hw * hw,u32 reg_addr,u32 reg_val)5276 void i40e_write_rx_ctl(struct i40e_hw *hw, u32 reg_addr, u32 reg_val)
5277 {
5278 	i40e_status status = 0;
5279 	bool use_register;
5280 	int retry = 5;
5281 
5282 	use_register = (((hw->aq.api_maj_ver == 1) &&
5283 			(hw->aq.api_min_ver < 5)) ||
5284 			(hw->mac.type == I40E_MAC_X722));
5285 	if (!use_register) {
5286 do_retry:
5287 		status = i40e_aq_rx_ctl_write_register(hw, reg_addr,
5288 						       reg_val, NULL);
5289 		if (hw->aq.asq_last_status == I40E_AQ_RC_EAGAIN && retry) {
5290 			usleep_range(1000, 2000);
5291 			retry--;
5292 			goto do_retry;
5293 		}
5294 	}
5295 
5296 	/* if the AQ access failed, try the old-fashioned way */
5297 	if (status || use_register)
5298 		wr32(hw, reg_addr, reg_val);
5299 }
5300 
5301 /**
5302  * i40e_aq_set_phy_register
5303  * @hw: pointer to the hw struct
5304  * @phy_select: select which phy should be accessed
5305  * @dev_addr: PHY device address
5306  * @reg_addr: PHY register address
5307  * @reg_val: new register value
5308  * @cmd_details: pointer to command details structure or NULL
5309  *
5310  * Write the external PHY register.
5311  **/
i40e_aq_set_phy_register(struct i40e_hw * hw,u8 phy_select,u8 dev_addr,u32 reg_addr,u32 reg_val,struct i40e_asq_cmd_details * cmd_details)5312 i40e_status i40e_aq_set_phy_register(struct i40e_hw *hw,
5313 				     u8 phy_select, u8 dev_addr,
5314 				     u32 reg_addr, u32 reg_val,
5315 				     struct i40e_asq_cmd_details *cmd_details)
5316 {
5317 	struct i40e_aq_desc desc;
5318 	struct i40e_aqc_phy_register_access *cmd =
5319 		(struct i40e_aqc_phy_register_access *)&desc.params.raw;
5320 	i40e_status status;
5321 
5322 	i40e_fill_default_direct_cmd_desc(&desc,
5323 					  i40e_aqc_opc_set_phy_register);
5324 
5325 	cmd->phy_interface = phy_select;
5326 	cmd->dev_address = dev_addr;
5327 	cmd->reg_address = cpu_to_le32(reg_addr);
5328 	cmd->reg_value = cpu_to_le32(reg_val);
5329 
5330 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
5331 
5332 	return status;
5333 }
5334 
5335 /**
5336  * i40e_aq_get_phy_register
5337  * @hw: pointer to the hw struct
5338  * @phy_select: select which phy should be accessed
5339  * @dev_addr: PHY device address
5340  * @reg_addr: PHY register address
5341  * @reg_val: read register value
5342  * @cmd_details: pointer to command details structure or NULL
5343  *
5344  * Read the external PHY register.
5345  **/
i40e_aq_get_phy_register(struct i40e_hw * hw,u8 phy_select,u8 dev_addr,u32 reg_addr,u32 * reg_val,struct i40e_asq_cmd_details * cmd_details)5346 i40e_status i40e_aq_get_phy_register(struct i40e_hw *hw,
5347 				     u8 phy_select, u8 dev_addr,
5348 				     u32 reg_addr, u32 *reg_val,
5349 				     struct i40e_asq_cmd_details *cmd_details)
5350 {
5351 	struct i40e_aq_desc desc;
5352 	struct i40e_aqc_phy_register_access *cmd =
5353 		(struct i40e_aqc_phy_register_access *)&desc.params.raw;
5354 	i40e_status status;
5355 
5356 	i40e_fill_default_direct_cmd_desc(&desc,
5357 					  i40e_aqc_opc_get_phy_register);
5358 
5359 	cmd->phy_interface = phy_select;
5360 	cmd->dev_address = dev_addr;
5361 	cmd->reg_address = cpu_to_le32(reg_addr);
5362 
5363 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
5364 	if (!status)
5365 		*reg_val = le32_to_cpu(cmd->reg_value);
5366 
5367 	return status;
5368 }
5369 
5370 /**
5371  * i40e_aq_write_ddp - Write dynamic device personalization (ddp)
5372  * @hw: pointer to the hw struct
5373  * @buff: command buffer (size in bytes = buff_size)
5374  * @buff_size: buffer size in bytes
5375  * @track_id: package tracking id
5376  * @error_offset: returns error offset
5377  * @error_info: returns error information
5378  * @cmd_details: pointer to command details structure or NULL
5379  **/
5380 enum
i40e_aq_write_ddp(struct i40e_hw * hw,void * buff,u16 buff_size,u32 track_id,u32 * error_offset,u32 * error_info,struct i40e_asq_cmd_details * cmd_details)5381 i40e_status_code i40e_aq_write_ddp(struct i40e_hw *hw, void *buff,
5382 				   u16 buff_size, u32 track_id,
5383 				   u32 *error_offset, u32 *error_info,
5384 				   struct i40e_asq_cmd_details *cmd_details)
5385 {
5386 	struct i40e_aq_desc desc;
5387 	struct i40e_aqc_write_personalization_profile *cmd =
5388 		(struct i40e_aqc_write_personalization_profile *)
5389 		&desc.params.raw;
5390 	struct i40e_aqc_write_ddp_resp *resp;
5391 	i40e_status status;
5392 
5393 	i40e_fill_default_direct_cmd_desc(&desc,
5394 					  i40e_aqc_opc_write_personalization_profile);
5395 
5396 	desc.flags |= cpu_to_le16(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD);
5397 	if (buff_size > I40E_AQ_LARGE_BUF)
5398 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
5399 
5400 	desc.datalen = cpu_to_le16(buff_size);
5401 
5402 	cmd->profile_track_id = cpu_to_le32(track_id);
5403 
5404 	status = i40e_asq_send_command(hw, &desc, buff, buff_size, cmd_details);
5405 	if (!status) {
5406 		resp = (struct i40e_aqc_write_ddp_resp *)&desc.params.raw;
5407 		if (error_offset)
5408 			*error_offset = le32_to_cpu(resp->error_offset);
5409 		if (error_info)
5410 			*error_info = le32_to_cpu(resp->error_info);
5411 	}
5412 
5413 	return status;
5414 }
5415 
5416 /**
5417  * i40e_aq_get_ddp_list - Read dynamic device personalization (ddp)
5418  * @hw: pointer to the hw struct
5419  * @buff: command buffer (size in bytes = buff_size)
5420  * @buff_size: buffer size in bytes
5421  * @flags: AdminQ command flags
5422  * @cmd_details: pointer to command details structure or NULL
5423  **/
5424 enum
i40e_aq_get_ddp_list(struct i40e_hw * hw,void * buff,u16 buff_size,u8 flags,struct i40e_asq_cmd_details * cmd_details)5425 i40e_status_code i40e_aq_get_ddp_list(struct i40e_hw *hw, void *buff,
5426 				      u16 buff_size, u8 flags,
5427 				      struct i40e_asq_cmd_details *cmd_details)
5428 {
5429 	struct i40e_aq_desc desc;
5430 	struct i40e_aqc_get_applied_profiles *cmd =
5431 		(struct i40e_aqc_get_applied_profiles *)&desc.params.raw;
5432 	i40e_status status;
5433 
5434 	i40e_fill_default_direct_cmd_desc(&desc,
5435 					  i40e_aqc_opc_get_personalization_profile_list);
5436 
5437 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
5438 	if (buff_size > I40E_AQ_LARGE_BUF)
5439 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
5440 	desc.datalen = cpu_to_le16(buff_size);
5441 
5442 	cmd->flags = flags;
5443 
5444 	status = i40e_asq_send_command(hw, &desc, buff, buff_size, cmd_details);
5445 
5446 	return status;
5447 }
5448 
5449 /**
5450  * i40e_find_segment_in_package
5451  * @segment_type: the segment type to search for (i.e., SEGMENT_TYPE_I40E)
5452  * @pkg_hdr: pointer to the package header to be searched
5453  *
5454  * This function searches a package file for a particular segment type. On
5455  * success it returns a pointer to the segment header, otherwise it will
5456  * return NULL.
5457  **/
5458 struct i40e_generic_seg_header *
i40e_find_segment_in_package(u32 segment_type,struct i40e_package_header * pkg_hdr)5459 i40e_find_segment_in_package(u32 segment_type,
5460 			     struct i40e_package_header *pkg_hdr)
5461 {
5462 	struct i40e_generic_seg_header *segment;
5463 	u32 i;
5464 
5465 	/* Search all package segments for the requested segment type */
5466 	for (i = 0; i < pkg_hdr->segment_count; i++) {
5467 		segment =
5468 			(struct i40e_generic_seg_header *)((u8 *)pkg_hdr +
5469 			 pkg_hdr->segment_offset[i]);
5470 
5471 		if (segment->type == segment_type)
5472 			return segment;
5473 	}
5474 
5475 	return NULL;
5476 }
5477 
5478 /**
5479  * i40e_write_profile
5480  * @hw: pointer to the hardware structure
5481  * @profile: pointer to the profile segment of the package to be downloaded
5482  * @track_id: package tracking id
5483  *
5484  * Handles the download of a complete package.
5485  */
5486 enum i40e_status_code
i40e_write_profile(struct i40e_hw * hw,struct i40e_profile_segment * profile,u32 track_id)5487 i40e_write_profile(struct i40e_hw *hw, struct i40e_profile_segment *profile,
5488 		   u32 track_id)
5489 {
5490 	i40e_status status = 0;
5491 	struct i40e_section_table *sec_tbl;
5492 	struct i40e_profile_section_header *sec = NULL;
5493 	u32 dev_cnt;
5494 	u32 vendor_dev_id;
5495 	u32 *nvm;
5496 	u32 section_size = 0;
5497 	u32 offset = 0, info = 0;
5498 	u32 i;
5499 
5500 	dev_cnt = profile->device_table_count;
5501 
5502 	for (i = 0; i < dev_cnt; i++) {
5503 		vendor_dev_id = profile->device_table[i].vendor_dev_id;
5504 		if ((vendor_dev_id >> 16) == PCI_VENDOR_ID_INTEL)
5505 			if (hw->device_id == (vendor_dev_id & 0xFFFF))
5506 				break;
5507 	}
5508 	if (i == dev_cnt) {
5509 		i40e_debug(hw, I40E_DEBUG_PACKAGE, "Device doesn't support DDP");
5510 		return I40E_ERR_DEVICE_NOT_SUPPORTED;
5511 	}
5512 
5513 	nvm = (u32 *)&profile->device_table[dev_cnt];
5514 	sec_tbl = (struct i40e_section_table *)&nvm[nvm[0] + 1];
5515 
5516 	for (i = 0; i < sec_tbl->section_count; i++) {
5517 		sec = (struct i40e_profile_section_header *)((u8 *)profile +
5518 					     sec_tbl->section_offset[i]);
5519 
5520 		/* Skip 'AQ', 'note' and 'name' sections */
5521 		if (sec->section.type != SECTION_TYPE_MMIO)
5522 			continue;
5523 
5524 		section_size = sec->section.size +
5525 			sizeof(struct i40e_profile_section_header);
5526 
5527 		/* Write profile */
5528 		status = i40e_aq_write_ddp(hw, (void *)sec, (u16)section_size,
5529 					   track_id, &offset, &info, NULL);
5530 		if (status) {
5531 			i40e_debug(hw, I40E_DEBUG_PACKAGE,
5532 				   "Failed to write profile: offset %d, info %d",
5533 				   offset, info);
5534 			break;
5535 		}
5536 	}
5537 	return status;
5538 }
5539 
5540 /**
5541  * i40e_add_pinfo_to_list
5542  * @hw: pointer to the hardware structure
5543  * @profile: pointer to the profile segment of the package
5544  * @profile_info_sec: buffer for information section
5545  * @track_id: package tracking id
5546  *
5547  * Register a profile to the list of loaded profiles.
5548  */
5549 enum i40e_status_code
i40e_add_pinfo_to_list(struct i40e_hw * hw,struct i40e_profile_segment * profile,u8 * profile_info_sec,u32 track_id)5550 i40e_add_pinfo_to_list(struct i40e_hw *hw,
5551 		       struct i40e_profile_segment *profile,
5552 		       u8 *profile_info_sec, u32 track_id)
5553 {
5554 	i40e_status status = 0;
5555 	struct i40e_profile_section_header *sec = NULL;
5556 	struct i40e_profile_info *pinfo;
5557 	u32 offset = 0, info = 0;
5558 
5559 	sec = (struct i40e_profile_section_header *)profile_info_sec;
5560 	sec->tbl_size = 1;
5561 	sec->data_end = sizeof(struct i40e_profile_section_header) +
5562 			sizeof(struct i40e_profile_info);
5563 	sec->section.type = SECTION_TYPE_INFO;
5564 	sec->section.offset = sizeof(struct i40e_profile_section_header);
5565 	sec->section.size = sizeof(struct i40e_profile_info);
5566 	pinfo = (struct i40e_profile_info *)(profile_info_sec +
5567 					     sec->section.offset);
5568 	pinfo->track_id = track_id;
5569 	pinfo->version = profile->version;
5570 	pinfo->op = I40E_DDP_ADD_TRACKID;
5571 	memcpy(pinfo->name, profile->name, I40E_DDP_NAME_SIZE);
5572 
5573 	status = i40e_aq_write_ddp(hw, (void *)sec, sec->data_end,
5574 				   track_id, &offset, &info, NULL);
5575 
5576 	return status;
5577 }
5578 
5579 /**
5580  * i40e_aq_add_cloud_filters
5581  * @hw: pointer to the hardware structure
5582  * @seid: VSI seid to add cloud filters from
5583  * @filters: Buffer which contains the filters to be added
5584  * @filter_count: number of filters contained in the buffer
5585  *
5586  * Set the cloud filters for a given VSI.  The contents of the
5587  * i40e_aqc_cloud_filters_element_data are filled in by the caller
5588  * of the function.
5589  *
5590  **/
5591 enum i40e_status_code
i40e_aq_add_cloud_filters(struct i40e_hw * hw,u16 seid,struct i40e_aqc_cloud_filters_element_data * filters,u8 filter_count)5592 i40e_aq_add_cloud_filters(struct i40e_hw *hw, u16 seid,
5593 			  struct i40e_aqc_cloud_filters_element_data *filters,
5594 			  u8 filter_count)
5595 {
5596 	struct i40e_aq_desc desc;
5597 	struct i40e_aqc_add_remove_cloud_filters *cmd =
5598 	(struct i40e_aqc_add_remove_cloud_filters *)&desc.params.raw;
5599 	enum i40e_status_code status;
5600 	u16 buff_len;
5601 
5602 	i40e_fill_default_direct_cmd_desc(&desc,
5603 					  i40e_aqc_opc_add_cloud_filters);
5604 
5605 	buff_len = filter_count * sizeof(*filters);
5606 	desc.datalen = cpu_to_le16(buff_len);
5607 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
5608 	cmd->num_filters = filter_count;
5609 	cmd->seid = cpu_to_le16(seid);
5610 
5611 	status = i40e_asq_send_command(hw, &desc, filters, buff_len, NULL);
5612 
5613 	return status;
5614 }
5615 
5616 /**
5617  * i40e_aq_add_cloud_filters_bb
5618  * @hw: pointer to the hardware structure
5619  * @seid: VSI seid to add cloud filters from
5620  * @filters: Buffer which contains the filters in big buffer to be added
5621  * @filter_count: number of filters contained in the buffer
5622  *
5623  * Set the big buffer cloud filters for a given VSI.  The contents of the
5624  * i40e_aqc_cloud_filters_element_bb are filled in by the caller of the
5625  * function.
5626  *
5627  **/
5628 enum i40e_status_code
i40e_aq_add_cloud_filters_bb(struct i40e_hw * hw,u16 seid,struct i40e_aqc_cloud_filters_element_bb * filters,u8 filter_count)5629 i40e_aq_add_cloud_filters_bb(struct i40e_hw *hw, u16 seid,
5630 			     struct i40e_aqc_cloud_filters_element_bb *filters,
5631 			     u8 filter_count)
5632 {
5633 	struct i40e_aq_desc desc;
5634 	struct i40e_aqc_add_remove_cloud_filters *cmd =
5635 	(struct i40e_aqc_add_remove_cloud_filters *)&desc.params.raw;
5636 	i40e_status status;
5637 	u16 buff_len;
5638 	int i;
5639 
5640 	i40e_fill_default_direct_cmd_desc(&desc,
5641 					  i40e_aqc_opc_add_cloud_filters);
5642 
5643 	buff_len = filter_count * sizeof(*filters);
5644 	desc.datalen = cpu_to_le16(buff_len);
5645 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
5646 	cmd->num_filters = filter_count;
5647 	cmd->seid = cpu_to_le16(seid);
5648 	cmd->big_buffer_flag = I40E_AQC_ADD_CLOUD_CMD_BB;
5649 
5650 	for (i = 0; i < filter_count; i++) {
5651 		u16 tnl_type;
5652 		u32 ti;
5653 
5654 		tnl_type = (le16_to_cpu(filters[i].element.flags) &
5655 			   I40E_AQC_ADD_CLOUD_TNL_TYPE_MASK) >>
5656 			   I40E_AQC_ADD_CLOUD_TNL_TYPE_SHIFT;
5657 
5658 		/* Due to hardware eccentricities, the VNI for Geneve is shifted
5659 		 * one more byte further than normally used for Tenant ID in
5660 		 * other tunnel types.
5661 		 */
5662 		if (tnl_type == I40E_AQC_ADD_CLOUD_TNL_TYPE_GENEVE) {
5663 			ti = le32_to_cpu(filters[i].element.tenant_id);
5664 			filters[i].element.tenant_id = cpu_to_le32(ti << 8);
5665 		}
5666 	}
5667 
5668 	status = i40e_asq_send_command(hw, &desc, filters, buff_len, NULL);
5669 
5670 	return status;
5671 }
5672 
5673 /**
5674  * i40e_aq_rem_cloud_filters
5675  * @hw: pointer to the hardware structure
5676  * @seid: VSI seid to remove cloud filters from
5677  * @filters: Buffer which contains the filters to be removed
5678  * @filter_count: number of filters contained in the buffer
5679  *
5680  * Remove the cloud filters for a given VSI.  The contents of the
5681  * i40e_aqc_cloud_filters_element_data are filled in by the caller
5682  * of the function.
5683  *
5684  **/
5685 enum i40e_status_code
i40e_aq_rem_cloud_filters(struct i40e_hw * hw,u16 seid,struct i40e_aqc_cloud_filters_element_data * filters,u8 filter_count)5686 i40e_aq_rem_cloud_filters(struct i40e_hw *hw, u16 seid,
5687 			  struct i40e_aqc_cloud_filters_element_data *filters,
5688 			  u8 filter_count)
5689 {
5690 	struct i40e_aq_desc desc;
5691 	struct i40e_aqc_add_remove_cloud_filters *cmd =
5692 	(struct i40e_aqc_add_remove_cloud_filters *)&desc.params.raw;
5693 	enum i40e_status_code status;
5694 	u16 buff_len;
5695 
5696 	i40e_fill_default_direct_cmd_desc(&desc,
5697 					  i40e_aqc_opc_remove_cloud_filters);
5698 
5699 	buff_len = filter_count * sizeof(*filters);
5700 	desc.datalen = cpu_to_le16(buff_len);
5701 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
5702 	cmd->num_filters = filter_count;
5703 	cmd->seid = cpu_to_le16(seid);
5704 
5705 	status = i40e_asq_send_command(hw, &desc, filters, buff_len, NULL);
5706 
5707 	return status;
5708 }
5709 
5710 /**
5711  * i40e_aq_rem_cloud_filters_bb
5712  * @hw: pointer to the hardware structure
5713  * @seid: VSI seid to remove cloud filters from
5714  * @filters: Buffer which contains the filters in big buffer to be removed
5715  * @filter_count: number of filters contained in the buffer
5716  *
5717  * Remove the big buffer cloud filters for a given VSI.  The contents of the
5718  * i40e_aqc_cloud_filters_element_bb are filled in by the caller of the
5719  * function.
5720  *
5721  **/
5722 enum i40e_status_code
i40e_aq_rem_cloud_filters_bb(struct i40e_hw * hw,u16 seid,struct i40e_aqc_cloud_filters_element_bb * filters,u8 filter_count)5723 i40e_aq_rem_cloud_filters_bb(struct i40e_hw *hw, u16 seid,
5724 			     struct i40e_aqc_cloud_filters_element_bb *filters,
5725 			     u8 filter_count)
5726 {
5727 	struct i40e_aq_desc desc;
5728 	struct i40e_aqc_add_remove_cloud_filters *cmd =
5729 	(struct i40e_aqc_add_remove_cloud_filters *)&desc.params.raw;
5730 	i40e_status status;
5731 	u16 buff_len;
5732 	int i;
5733 
5734 	i40e_fill_default_direct_cmd_desc(&desc,
5735 					  i40e_aqc_opc_remove_cloud_filters);
5736 
5737 	buff_len = filter_count * sizeof(*filters);
5738 	desc.datalen = cpu_to_le16(buff_len);
5739 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
5740 	cmd->num_filters = filter_count;
5741 	cmd->seid = cpu_to_le16(seid);
5742 	cmd->big_buffer_flag = I40E_AQC_ADD_CLOUD_CMD_BB;
5743 
5744 	for (i = 0; i < filter_count; i++) {
5745 		u16 tnl_type;
5746 		u32 ti;
5747 
5748 		tnl_type = (le16_to_cpu(filters[i].element.flags) &
5749 			   I40E_AQC_ADD_CLOUD_TNL_TYPE_MASK) >>
5750 			   I40E_AQC_ADD_CLOUD_TNL_TYPE_SHIFT;
5751 
5752 		/* Due to hardware eccentricities, the VNI for Geneve is shifted
5753 		 * one more byte further than normally used for Tenant ID in
5754 		 * other tunnel types.
5755 		 */
5756 		if (tnl_type == I40E_AQC_ADD_CLOUD_TNL_TYPE_GENEVE) {
5757 			ti = le32_to_cpu(filters[i].element.tenant_id);
5758 			filters[i].element.tenant_id = cpu_to_le32(ti << 8);
5759 		}
5760 	}
5761 
5762 	status = i40e_asq_send_command(hw, &desc, filters, buff_len, NULL);
5763 
5764 	return status;
5765 }
5766