1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2013 - 2021 Intel Corporation. */
3 
4 #include <linux/avf/virtchnl.h>
5 #include <linux/bitfield.h>
6 #include <linux/delay.h>
7 #include <linux/etherdevice.h>
8 #include <linux/pci.h>
9 #include "i40e_adminq_cmd.h"
10 #include "i40e_devids.h"
11 #include "i40e_prototype.h"
12 #include "i40e_register.h"
13 
14 /**
15  * i40e_set_mac_type - Sets MAC type
16  * @hw: pointer to the HW structure
17  *
18  * This function sets the mac type of the adapter based on the
19  * vendor ID and device ID stored in the hw structure.
20  **/
i40e_set_mac_type(struct i40e_hw * hw)21 int i40e_set_mac_type(struct i40e_hw *hw)
22 {
23 	int status = 0;
24 
25 	if (hw->vendor_id == PCI_VENDOR_ID_INTEL) {
26 		switch (hw->device_id) {
27 		case I40E_DEV_ID_SFP_XL710:
28 		case I40E_DEV_ID_QEMU:
29 		case I40E_DEV_ID_KX_B:
30 		case I40E_DEV_ID_KX_C:
31 		case I40E_DEV_ID_QSFP_A:
32 		case I40E_DEV_ID_QSFP_B:
33 		case I40E_DEV_ID_QSFP_C:
34 		case I40E_DEV_ID_1G_BASE_T_BC:
35 		case I40E_DEV_ID_5G_BASE_T_BC:
36 		case I40E_DEV_ID_10G_BASE_T:
37 		case I40E_DEV_ID_10G_BASE_T4:
38 		case I40E_DEV_ID_10G_BASE_T_BC:
39 		case I40E_DEV_ID_10G_B:
40 		case I40E_DEV_ID_10G_SFP:
41 		case I40E_DEV_ID_20G_KR2:
42 		case I40E_DEV_ID_20G_KR2_A:
43 		case I40E_DEV_ID_25G_B:
44 		case I40E_DEV_ID_25G_SFP28:
45 		case I40E_DEV_ID_X710_N3000:
46 		case I40E_DEV_ID_XXV710_N3000:
47 			hw->mac.type = I40E_MAC_XL710;
48 			break;
49 		case I40E_DEV_ID_KX_X722:
50 		case I40E_DEV_ID_QSFP_X722:
51 		case I40E_DEV_ID_SFP_X722:
52 		case I40E_DEV_ID_1G_BASE_T_X722:
53 		case I40E_DEV_ID_10G_BASE_T_X722:
54 		case I40E_DEV_ID_SFP_I_X722:
55 		case I40E_DEV_ID_SFP_X722_A:
56 			hw->mac.type = I40E_MAC_X722;
57 			break;
58 		default:
59 			hw->mac.type = I40E_MAC_GENERIC;
60 			break;
61 		}
62 	} else {
63 		status = -ENODEV;
64 	}
65 
66 	hw_dbg(hw, "i40e_set_mac_type found mac: %d, returns: %d\n",
67 		  hw->mac.type, status);
68 	return status;
69 }
70 
71 /**
72  * i40e_aq_str - convert AQ err code to a string
73  * @hw: pointer to the HW structure
74  * @aq_err: the AQ error code to convert
75  **/
i40e_aq_str(struct i40e_hw * hw,enum i40e_admin_queue_err aq_err)76 const char *i40e_aq_str(struct i40e_hw *hw, enum i40e_admin_queue_err aq_err)
77 {
78 	switch (aq_err) {
79 	case I40E_AQ_RC_OK:
80 		return "OK";
81 	case I40E_AQ_RC_EPERM:
82 		return "I40E_AQ_RC_EPERM";
83 	case I40E_AQ_RC_ENOENT:
84 		return "I40E_AQ_RC_ENOENT";
85 	case I40E_AQ_RC_ESRCH:
86 		return "I40E_AQ_RC_ESRCH";
87 	case I40E_AQ_RC_EINTR:
88 		return "I40E_AQ_RC_EINTR";
89 	case I40E_AQ_RC_EIO:
90 		return "I40E_AQ_RC_EIO";
91 	case I40E_AQ_RC_ENXIO:
92 		return "I40E_AQ_RC_ENXIO";
93 	case I40E_AQ_RC_E2BIG:
94 		return "I40E_AQ_RC_E2BIG";
95 	case I40E_AQ_RC_EAGAIN:
96 		return "I40E_AQ_RC_EAGAIN";
97 	case I40E_AQ_RC_ENOMEM:
98 		return "I40E_AQ_RC_ENOMEM";
99 	case I40E_AQ_RC_EACCES:
100 		return "I40E_AQ_RC_EACCES";
101 	case I40E_AQ_RC_EFAULT:
102 		return "I40E_AQ_RC_EFAULT";
103 	case I40E_AQ_RC_EBUSY:
104 		return "I40E_AQ_RC_EBUSY";
105 	case I40E_AQ_RC_EEXIST:
106 		return "I40E_AQ_RC_EEXIST";
107 	case I40E_AQ_RC_EINVAL:
108 		return "I40E_AQ_RC_EINVAL";
109 	case I40E_AQ_RC_ENOTTY:
110 		return "I40E_AQ_RC_ENOTTY";
111 	case I40E_AQ_RC_ENOSPC:
112 		return "I40E_AQ_RC_ENOSPC";
113 	case I40E_AQ_RC_ENOSYS:
114 		return "I40E_AQ_RC_ENOSYS";
115 	case I40E_AQ_RC_ERANGE:
116 		return "I40E_AQ_RC_ERANGE";
117 	case I40E_AQ_RC_EFLUSHED:
118 		return "I40E_AQ_RC_EFLUSHED";
119 	case I40E_AQ_RC_BAD_ADDR:
120 		return "I40E_AQ_RC_BAD_ADDR";
121 	case I40E_AQ_RC_EMODE:
122 		return "I40E_AQ_RC_EMODE";
123 	case I40E_AQ_RC_EFBIG:
124 		return "I40E_AQ_RC_EFBIG";
125 	}
126 
127 	snprintf(hw->err_str, sizeof(hw->err_str), "%d", aq_err);
128 	return hw->err_str;
129 }
130 
131 /**
132  * i40e_debug_aq
133  * @hw: debug mask related to admin queue
134  * @mask: debug mask
135  * @desc: pointer to admin queue descriptor
136  * @buffer: pointer to command buffer
137  * @buf_len: max length of buffer
138  *
139  * Dumps debug log about adminq command with descriptor contents.
140  **/
i40e_debug_aq(struct i40e_hw * hw,enum i40e_debug_mask mask,void * desc,void * buffer,u16 buf_len)141 void i40e_debug_aq(struct i40e_hw *hw, enum i40e_debug_mask mask, void *desc,
142 		   void *buffer, u16 buf_len)
143 {
144 	struct i40e_aq_desc *aq_desc = (struct i40e_aq_desc *)desc;
145 	u32 effective_mask = hw->debug_mask & mask;
146 	char prefix[27];
147 	u16 len;
148 	u8 *buf = (u8 *)buffer;
149 
150 	if (!effective_mask || !desc)
151 		return;
152 
153 	len = le16_to_cpu(aq_desc->datalen);
154 
155 	i40e_debug(hw, mask & I40E_DEBUG_AQ_DESCRIPTOR,
156 		   "AQ CMD: opcode 0x%04X, flags 0x%04X, datalen 0x%04X, retval 0x%04X\n",
157 		   le16_to_cpu(aq_desc->opcode),
158 		   le16_to_cpu(aq_desc->flags),
159 		   le16_to_cpu(aq_desc->datalen),
160 		   le16_to_cpu(aq_desc->retval));
161 	i40e_debug(hw, mask & I40E_DEBUG_AQ_DESCRIPTOR,
162 		   "\tcookie (h,l) 0x%08X 0x%08X\n",
163 		   le32_to_cpu(aq_desc->cookie_high),
164 		   le32_to_cpu(aq_desc->cookie_low));
165 	i40e_debug(hw, mask & I40E_DEBUG_AQ_DESCRIPTOR,
166 		   "\tparam (0,1)  0x%08X 0x%08X\n",
167 		   le32_to_cpu(aq_desc->params.internal.param0),
168 		   le32_to_cpu(aq_desc->params.internal.param1));
169 	i40e_debug(hw, mask & I40E_DEBUG_AQ_DESCRIPTOR,
170 		   "\taddr (h,l)   0x%08X 0x%08X\n",
171 		   le32_to_cpu(aq_desc->params.external.addr_high),
172 		   le32_to_cpu(aq_desc->params.external.addr_low));
173 
174 	if (buffer && buf_len != 0 && len != 0 &&
175 	    (effective_mask & I40E_DEBUG_AQ_DESC_BUFFER)) {
176 		i40e_debug(hw, mask, "AQ CMD Buffer:\n");
177 		if (buf_len < len)
178 			len = buf_len;
179 
180 		snprintf(prefix, sizeof(prefix),
181 			 "i40e %02x:%02x.%x: \t0x",
182 			 hw->bus.bus_id,
183 			 hw->bus.device,
184 			 hw->bus.func);
185 
186 		print_hex_dump(KERN_INFO, prefix, DUMP_PREFIX_OFFSET,
187 			       16, 1, buf, len, false);
188 	}
189 }
190 
191 /**
192  * i40e_check_asq_alive
193  * @hw: pointer to the hw struct
194  *
195  * Returns true if Queue is enabled else false.
196  **/
i40e_check_asq_alive(struct i40e_hw * hw)197 bool i40e_check_asq_alive(struct i40e_hw *hw)
198 {
199 	if (hw->aq.asq.len)
200 		return !!(rd32(hw, hw->aq.asq.len) &
201 			  I40E_PF_ATQLEN_ATQENABLE_MASK);
202 	else
203 		return false;
204 }
205 
206 /**
207  * i40e_aq_queue_shutdown
208  * @hw: pointer to the hw struct
209  * @unloading: is the driver unloading itself
210  *
211  * Tell the Firmware that we're shutting down the AdminQ and whether
212  * or not the driver is unloading as well.
213  **/
i40e_aq_queue_shutdown(struct i40e_hw * hw,bool unloading)214 int i40e_aq_queue_shutdown(struct i40e_hw *hw,
215 			   bool unloading)
216 {
217 	struct i40e_aq_desc desc;
218 	struct i40e_aqc_queue_shutdown *cmd =
219 		(struct i40e_aqc_queue_shutdown *)&desc.params.raw;
220 	int status;
221 
222 	i40e_fill_default_direct_cmd_desc(&desc,
223 					  i40e_aqc_opc_queue_shutdown);
224 
225 	if (unloading)
226 		cmd->driver_unloading = cpu_to_le32(I40E_AQ_DRIVER_UNLOADING);
227 	status = i40e_asq_send_command(hw, &desc, NULL, 0, NULL);
228 
229 	return status;
230 }
231 
232 /**
233  * i40e_aq_get_set_rss_lut
234  * @hw: pointer to the hardware structure
235  * @vsi_id: vsi fw index
236  * @pf_lut: for PF table set true, for VSI table set false
237  * @lut: pointer to the lut buffer provided by the caller
238  * @lut_size: size of the lut buffer
239  * @set: set true to set the table, false to get the table
240  *
241  * Internal function to get or set RSS look up table
242  **/
i40e_aq_get_set_rss_lut(struct i40e_hw * hw,u16 vsi_id,bool pf_lut,u8 * lut,u16 lut_size,bool set)243 static int i40e_aq_get_set_rss_lut(struct i40e_hw *hw,
244 				   u16 vsi_id, bool pf_lut,
245 				   u8 *lut, u16 lut_size,
246 				   bool set)
247 {
248 	struct i40e_aq_desc desc;
249 	struct i40e_aqc_get_set_rss_lut *cmd_resp =
250 		   (struct i40e_aqc_get_set_rss_lut *)&desc.params.raw;
251 	int status;
252 
253 	if (set)
254 		i40e_fill_default_direct_cmd_desc(&desc,
255 						  i40e_aqc_opc_set_rss_lut);
256 	else
257 		i40e_fill_default_direct_cmd_desc(&desc,
258 						  i40e_aqc_opc_get_rss_lut);
259 
260 	/* Indirect command */
261 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
262 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_RD);
263 
264 	cmd_resp->vsi_id =
265 			cpu_to_le16((u16)((vsi_id <<
266 					  I40E_AQC_SET_RSS_LUT_VSI_ID_SHIFT) &
267 					  I40E_AQC_SET_RSS_LUT_VSI_ID_MASK));
268 	cmd_resp->vsi_id |= cpu_to_le16((u16)I40E_AQC_SET_RSS_LUT_VSI_VALID);
269 
270 	if (pf_lut)
271 		cmd_resp->flags |= cpu_to_le16((u16)
272 					((I40E_AQC_SET_RSS_LUT_TABLE_TYPE_PF <<
273 					I40E_AQC_SET_RSS_LUT_TABLE_TYPE_SHIFT) &
274 					I40E_AQC_SET_RSS_LUT_TABLE_TYPE_MASK));
275 	else
276 		cmd_resp->flags |= cpu_to_le16((u16)
277 					((I40E_AQC_SET_RSS_LUT_TABLE_TYPE_VSI <<
278 					I40E_AQC_SET_RSS_LUT_TABLE_TYPE_SHIFT) &
279 					I40E_AQC_SET_RSS_LUT_TABLE_TYPE_MASK));
280 
281 	status = i40e_asq_send_command(hw, &desc, lut, lut_size, NULL);
282 
283 	return status;
284 }
285 
286 /**
287  * i40e_aq_get_rss_lut
288  * @hw: pointer to the hardware structure
289  * @vsi_id: vsi fw index
290  * @pf_lut: for PF table set true, for VSI table set false
291  * @lut: pointer to the lut buffer provided by the caller
292  * @lut_size: size of the lut buffer
293  *
294  * get the RSS lookup table, PF or VSI type
295  **/
i40e_aq_get_rss_lut(struct i40e_hw * hw,u16 vsi_id,bool pf_lut,u8 * lut,u16 lut_size)296 int i40e_aq_get_rss_lut(struct i40e_hw *hw, u16 vsi_id,
297 			bool pf_lut, u8 *lut, u16 lut_size)
298 {
299 	return i40e_aq_get_set_rss_lut(hw, vsi_id, pf_lut, lut, lut_size,
300 				       false);
301 }
302 
303 /**
304  * i40e_aq_set_rss_lut
305  * @hw: pointer to the hardware structure
306  * @vsi_id: vsi fw index
307  * @pf_lut: for PF table set true, for VSI table set false
308  * @lut: pointer to the lut buffer provided by the caller
309  * @lut_size: size of the lut buffer
310  *
311  * set the RSS lookup table, PF or VSI type
312  **/
i40e_aq_set_rss_lut(struct i40e_hw * hw,u16 vsi_id,bool pf_lut,u8 * lut,u16 lut_size)313 int i40e_aq_set_rss_lut(struct i40e_hw *hw, u16 vsi_id,
314 			bool pf_lut, u8 *lut, u16 lut_size)
315 {
316 	return i40e_aq_get_set_rss_lut(hw, vsi_id, pf_lut, lut, lut_size, true);
317 }
318 
319 /**
320  * i40e_aq_get_set_rss_key
321  * @hw: pointer to the hw struct
322  * @vsi_id: vsi fw index
323  * @key: pointer to key info struct
324  * @set: set true to set the key, false to get the key
325  *
326  * get the RSS key per VSI
327  **/
i40e_aq_get_set_rss_key(struct i40e_hw * hw,u16 vsi_id,struct i40e_aqc_get_set_rss_key_data * key,bool set)328 static int i40e_aq_get_set_rss_key(struct i40e_hw *hw,
329 				   u16 vsi_id,
330 				   struct i40e_aqc_get_set_rss_key_data *key,
331 				   bool set)
332 {
333 	struct i40e_aq_desc desc;
334 	struct i40e_aqc_get_set_rss_key *cmd_resp =
335 			(struct i40e_aqc_get_set_rss_key *)&desc.params.raw;
336 	u16 key_size = sizeof(struct i40e_aqc_get_set_rss_key_data);
337 	int status;
338 
339 	if (set)
340 		i40e_fill_default_direct_cmd_desc(&desc,
341 						  i40e_aqc_opc_set_rss_key);
342 	else
343 		i40e_fill_default_direct_cmd_desc(&desc,
344 						  i40e_aqc_opc_get_rss_key);
345 
346 	/* Indirect command */
347 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
348 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_RD);
349 
350 	cmd_resp->vsi_id =
351 			cpu_to_le16((u16)((vsi_id <<
352 					  I40E_AQC_SET_RSS_KEY_VSI_ID_SHIFT) &
353 					  I40E_AQC_SET_RSS_KEY_VSI_ID_MASK));
354 	cmd_resp->vsi_id |= cpu_to_le16((u16)I40E_AQC_SET_RSS_KEY_VSI_VALID);
355 
356 	status = i40e_asq_send_command(hw, &desc, key, key_size, NULL);
357 
358 	return status;
359 }
360 
361 /**
362  * i40e_aq_get_rss_key
363  * @hw: pointer to the hw struct
364  * @vsi_id: vsi fw index
365  * @key: pointer to key info struct
366  *
367  **/
i40e_aq_get_rss_key(struct i40e_hw * hw,u16 vsi_id,struct i40e_aqc_get_set_rss_key_data * key)368 int i40e_aq_get_rss_key(struct i40e_hw *hw,
369 			u16 vsi_id,
370 			struct i40e_aqc_get_set_rss_key_data *key)
371 {
372 	return i40e_aq_get_set_rss_key(hw, vsi_id, key, false);
373 }
374 
375 /**
376  * i40e_aq_set_rss_key
377  * @hw: pointer to the hw struct
378  * @vsi_id: vsi fw index
379  * @key: pointer to key info struct
380  *
381  * set the RSS key per VSI
382  **/
i40e_aq_set_rss_key(struct i40e_hw * hw,u16 vsi_id,struct i40e_aqc_get_set_rss_key_data * key)383 int i40e_aq_set_rss_key(struct i40e_hw *hw,
384 			u16 vsi_id,
385 			struct i40e_aqc_get_set_rss_key_data *key)
386 {
387 	return i40e_aq_get_set_rss_key(hw, vsi_id, key, true);
388 }
389 
390 /* The i40e_ptype_lookup table is used to convert from the 8-bit ptype in the
391  * hardware to a bit-field that can be used by SW to more easily determine the
392  * packet type.
393  *
394  * Macros are used to shorten the table lines and make this table human
395  * readable.
396  *
397  * We store the PTYPE in the top byte of the bit field - this is just so that
398  * we can check that the table doesn't have a row missing, as the index into
399  * the table should be the PTYPE.
400  *
401  * Typical work flow:
402  *
403  * IF NOT i40e_ptype_lookup[ptype].known
404  * THEN
405  *      Packet is unknown
406  * ELSE IF i40e_ptype_lookup[ptype].outer_ip == I40E_RX_PTYPE_OUTER_IP
407  *      Use the rest of the fields to look at the tunnels, inner protocols, etc
408  * ELSE
409  *      Use the enum i40e_rx_l2_ptype to decode the packet type
410  * ENDIF
411  */
412 
413 /* macro to make the table lines short, use explicit indexing with [PTYPE] */
414 #define I40E_PTT(PTYPE, OUTER_IP, OUTER_IP_VER, OUTER_FRAG, T, TE, TEF, I, PL)\
415 	[PTYPE] = { \
416 		1, \
417 		I40E_RX_PTYPE_OUTER_##OUTER_IP, \
418 		I40E_RX_PTYPE_OUTER_##OUTER_IP_VER, \
419 		I40E_RX_PTYPE_##OUTER_FRAG, \
420 		I40E_RX_PTYPE_TUNNEL_##T, \
421 		I40E_RX_PTYPE_TUNNEL_END_##TE, \
422 		I40E_RX_PTYPE_##TEF, \
423 		I40E_RX_PTYPE_INNER_PROT_##I, \
424 		I40E_RX_PTYPE_PAYLOAD_LAYER_##PL }
425 
426 #define I40E_PTT_UNUSED_ENTRY(PTYPE) [PTYPE] = { 0, 0, 0, 0, 0, 0, 0, 0, 0 }
427 
428 /* shorter macros makes the table fit but are terse */
429 #define I40E_RX_PTYPE_NOF		I40E_RX_PTYPE_NOT_FRAG
430 #define I40E_RX_PTYPE_FRG		I40E_RX_PTYPE_FRAG
431 #define I40E_RX_PTYPE_INNER_PROT_TS	I40E_RX_PTYPE_INNER_PROT_TIMESYNC
432 
433 /* Lookup table mapping in the 8-bit HW PTYPE to the bit field for decoding */
434 struct i40e_rx_ptype_decoded i40e_ptype_lookup[BIT(8)] = {
435 	/* L2 Packet types */
436 	I40E_PTT_UNUSED_ENTRY(0),
437 	I40E_PTT(1,  L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2),
438 	I40E_PTT(2,  L2, NONE, NOF, NONE, NONE, NOF, TS,   PAY2),
439 	I40E_PTT(3,  L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2),
440 	I40E_PTT_UNUSED_ENTRY(4),
441 	I40E_PTT_UNUSED_ENTRY(5),
442 	I40E_PTT(6,  L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2),
443 	I40E_PTT(7,  L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2),
444 	I40E_PTT_UNUSED_ENTRY(8),
445 	I40E_PTT_UNUSED_ENTRY(9),
446 	I40E_PTT(10, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2),
447 	I40E_PTT(11, L2, NONE, NOF, NONE, NONE, NOF, NONE, NONE),
448 	I40E_PTT(12, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
449 	I40E_PTT(13, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
450 	I40E_PTT(14, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
451 	I40E_PTT(15, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
452 	I40E_PTT(16, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
453 	I40E_PTT(17, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
454 	I40E_PTT(18, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
455 	I40E_PTT(19, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
456 	I40E_PTT(20, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
457 	I40E_PTT(21, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
458 
459 	/* Non Tunneled IPv4 */
460 	I40E_PTT(22, IP, IPV4, FRG, NONE, NONE, NOF, NONE, PAY3),
461 	I40E_PTT(23, IP, IPV4, NOF, NONE, NONE, NOF, NONE, PAY3),
462 	I40E_PTT(24, IP, IPV4, NOF, NONE, NONE, NOF, UDP,  PAY4),
463 	I40E_PTT_UNUSED_ENTRY(25),
464 	I40E_PTT(26, IP, IPV4, NOF, NONE, NONE, NOF, TCP,  PAY4),
465 	I40E_PTT(27, IP, IPV4, NOF, NONE, NONE, NOF, SCTP, PAY4),
466 	I40E_PTT(28, IP, IPV4, NOF, NONE, NONE, NOF, ICMP, PAY4),
467 
468 	/* IPv4 --> IPv4 */
469 	I40E_PTT(29, IP, IPV4, NOF, IP_IP, IPV4, FRG, NONE, PAY3),
470 	I40E_PTT(30, IP, IPV4, NOF, IP_IP, IPV4, NOF, NONE, PAY3),
471 	I40E_PTT(31, IP, IPV4, NOF, IP_IP, IPV4, NOF, UDP,  PAY4),
472 	I40E_PTT_UNUSED_ENTRY(32),
473 	I40E_PTT(33, IP, IPV4, NOF, IP_IP, IPV4, NOF, TCP,  PAY4),
474 	I40E_PTT(34, IP, IPV4, NOF, IP_IP, IPV4, NOF, SCTP, PAY4),
475 	I40E_PTT(35, IP, IPV4, NOF, IP_IP, IPV4, NOF, ICMP, PAY4),
476 
477 	/* IPv4 --> IPv6 */
478 	I40E_PTT(36, IP, IPV4, NOF, IP_IP, IPV6, FRG, NONE, PAY3),
479 	I40E_PTT(37, IP, IPV4, NOF, IP_IP, IPV6, NOF, NONE, PAY3),
480 	I40E_PTT(38, IP, IPV4, NOF, IP_IP, IPV6, NOF, UDP,  PAY4),
481 	I40E_PTT_UNUSED_ENTRY(39),
482 	I40E_PTT(40, IP, IPV4, NOF, IP_IP, IPV6, NOF, TCP,  PAY4),
483 	I40E_PTT(41, IP, IPV4, NOF, IP_IP, IPV6, NOF, SCTP, PAY4),
484 	I40E_PTT(42, IP, IPV4, NOF, IP_IP, IPV6, NOF, ICMP, PAY4),
485 
486 	/* IPv4 --> GRE/NAT */
487 	I40E_PTT(43, IP, IPV4, NOF, IP_GRENAT, NONE, NOF, NONE, PAY3),
488 
489 	/* IPv4 --> GRE/NAT --> IPv4 */
490 	I40E_PTT(44, IP, IPV4, NOF, IP_GRENAT, IPV4, FRG, NONE, PAY3),
491 	I40E_PTT(45, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, NONE, PAY3),
492 	I40E_PTT(46, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, UDP,  PAY4),
493 	I40E_PTT_UNUSED_ENTRY(47),
494 	I40E_PTT(48, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, TCP,  PAY4),
495 	I40E_PTT(49, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, SCTP, PAY4),
496 	I40E_PTT(50, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, ICMP, PAY4),
497 
498 	/* IPv4 --> GRE/NAT --> IPv6 */
499 	I40E_PTT(51, IP, IPV4, NOF, IP_GRENAT, IPV6, FRG, NONE, PAY3),
500 	I40E_PTT(52, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, NONE, PAY3),
501 	I40E_PTT(53, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, UDP,  PAY4),
502 	I40E_PTT_UNUSED_ENTRY(54),
503 	I40E_PTT(55, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, TCP,  PAY4),
504 	I40E_PTT(56, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, SCTP, PAY4),
505 	I40E_PTT(57, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, ICMP, PAY4),
506 
507 	/* IPv4 --> GRE/NAT --> MAC */
508 	I40E_PTT(58, IP, IPV4, NOF, IP_GRENAT_MAC, NONE, NOF, NONE, PAY3),
509 
510 	/* IPv4 --> GRE/NAT --> MAC --> IPv4 */
511 	I40E_PTT(59, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, FRG, NONE, PAY3),
512 	I40E_PTT(60, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, NONE, PAY3),
513 	I40E_PTT(61, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, UDP,  PAY4),
514 	I40E_PTT_UNUSED_ENTRY(62),
515 	I40E_PTT(63, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, TCP,  PAY4),
516 	I40E_PTT(64, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, SCTP, PAY4),
517 	I40E_PTT(65, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, ICMP, PAY4),
518 
519 	/* IPv4 --> GRE/NAT -> MAC --> IPv6 */
520 	I40E_PTT(66, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, FRG, NONE, PAY3),
521 	I40E_PTT(67, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, NONE, PAY3),
522 	I40E_PTT(68, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, UDP,  PAY4),
523 	I40E_PTT_UNUSED_ENTRY(69),
524 	I40E_PTT(70, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, TCP,  PAY4),
525 	I40E_PTT(71, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, SCTP, PAY4),
526 	I40E_PTT(72, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, ICMP, PAY4),
527 
528 	/* IPv4 --> GRE/NAT --> MAC/VLAN */
529 	I40E_PTT(73, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, NONE, NOF, NONE, PAY3),
530 
531 	/* IPv4 ---> GRE/NAT -> MAC/VLAN --> IPv4 */
532 	I40E_PTT(74, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, FRG, NONE, PAY3),
533 	I40E_PTT(75, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, NONE, PAY3),
534 	I40E_PTT(76, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, UDP,  PAY4),
535 	I40E_PTT_UNUSED_ENTRY(77),
536 	I40E_PTT(78, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, TCP,  PAY4),
537 	I40E_PTT(79, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, SCTP, PAY4),
538 	I40E_PTT(80, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, ICMP, PAY4),
539 
540 	/* IPv4 -> GRE/NAT -> MAC/VLAN --> IPv6 */
541 	I40E_PTT(81, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, FRG, NONE, PAY3),
542 	I40E_PTT(82, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, NONE, PAY3),
543 	I40E_PTT(83, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, UDP,  PAY4),
544 	I40E_PTT_UNUSED_ENTRY(84),
545 	I40E_PTT(85, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, TCP,  PAY4),
546 	I40E_PTT(86, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, SCTP, PAY4),
547 	I40E_PTT(87, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, ICMP, PAY4),
548 
549 	/* Non Tunneled IPv6 */
550 	I40E_PTT(88, IP, IPV6, FRG, NONE, NONE, NOF, NONE, PAY3),
551 	I40E_PTT(89, IP, IPV6, NOF, NONE, NONE, NOF, NONE, PAY3),
552 	I40E_PTT(90, IP, IPV6, NOF, NONE, NONE, NOF, UDP,  PAY4),
553 	I40E_PTT_UNUSED_ENTRY(91),
554 	I40E_PTT(92, IP, IPV6, NOF, NONE, NONE, NOF, TCP,  PAY4),
555 	I40E_PTT(93, IP, IPV6, NOF, NONE, NONE, NOF, SCTP, PAY4),
556 	I40E_PTT(94, IP, IPV6, NOF, NONE, NONE, NOF, ICMP, PAY4),
557 
558 	/* IPv6 --> IPv4 */
559 	I40E_PTT(95,  IP, IPV6, NOF, IP_IP, IPV4, FRG, NONE, PAY3),
560 	I40E_PTT(96,  IP, IPV6, NOF, IP_IP, IPV4, NOF, NONE, PAY3),
561 	I40E_PTT(97,  IP, IPV6, NOF, IP_IP, IPV4, NOF, UDP,  PAY4),
562 	I40E_PTT_UNUSED_ENTRY(98),
563 	I40E_PTT(99,  IP, IPV6, NOF, IP_IP, IPV4, NOF, TCP,  PAY4),
564 	I40E_PTT(100, IP, IPV6, NOF, IP_IP, IPV4, NOF, SCTP, PAY4),
565 	I40E_PTT(101, IP, IPV6, NOF, IP_IP, IPV4, NOF, ICMP, PAY4),
566 
567 	/* IPv6 --> IPv6 */
568 	I40E_PTT(102, IP, IPV6, NOF, IP_IP, IPV6, FRG, NONE, PAY3),
569 	I40E_PTT(103, IP, IPV6, NOF, IP_IP, IPV6, NOF, NONE, PAY3),
570 	I40E_PTT(104, IP, IPV6, NOF, IP_IP, IPV6, NOF, UDP,  PAY4),
571 	I40E_PTT_UNUSED_ENTRY(105),
572 	I40E_PTT(106, IP, IPV6, NOF, IP_IP, IPV6, NOF, TCP,  PAY4),
573 	I40E_PTT(107, IP, IPV6, NOF, IP_IP, IPV6, NOF, SCTP, PAY4),
574 	I40E_PTT(108, IP, IPV6, NOF, IP_IP, IPV6, NOF, ICMP, PAY4),
575 
576 	/* IPv6 --> GRE/NAT */
577 	I40E_PTT(109, IP, IPV6, NOF, IP_GRENAT, NONE, NOF, NONE, PAY3),
578 
579 	/* IPv6 --> GRE/NAT -> IPv4 */
580 	I40E_PTT(110, IP, IPV6, NOF, IP_GRENAT, IPV4, FRG, NONE, PAY3),
581 	I40E_PTT(111, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, NONE, PAY3),
582 	I40E_PTT(112, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, UDP,  PAY4),
583 	I40E_PTT_UNUSED_ENTRY(113),
584 	I40E_PTT(114, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, TCP,  PAY4),
585 	I40E_PTT(115, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, SCTP, PAY4),
586 	I40E_PTT(116, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, ICMP, PAY4),
587 
588 	/* IPv6 --> GRE/NAT -> IPv6 */
589 	I40E_PTT(117, IP, IPV6, NOF, IP_GRENAT, IPV6, FRG, NONE, PAY3),
590 	I40E_PTT(118, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, NONE, PAY3),
591 	I40E_PTT(119, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, UDP,  PAY4),
592 	I40E_PTT_UNUSED_ENTRY(120),
593 	I40E_PTT(121, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, TCP,  PAY4),
594 	I40E_PTT(122, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, SCTP, PAY4),
595 	I40E_PTT(123, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, ICMP, PAY4),
596 
597 	/* IPv6 --> GRE/NAT -> MAC */
598 	I40E_PTT(124, IP, IPV6, NOF, IP_GRENAT_MAC, NONE, NOF, NONE, PAY3),
599 
600 	/* IPv6 --> GRE/NAT -> MAC -> IPv4 */
601 	I40E_PTT(125, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, FRG, NONE, PAY3),
602 	I40E_PTT(126, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, NONE, PAY3),
603 	I40E_PTT(127, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, UDP,  PAY4),
604 	I40E_PTT_UNUSED_ENTRY(128),
605 	I40E_PTT(129, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, TCP,  PAY4),
606 	I40E_PTT(130, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, SCTP, PAY4),
607 	I40E_PTT(131, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, ICMP, PAY4),
608 
609 	/* IPv6 --> GRE/NAT -> MAC -> IPv6 */
610 	I40E_PTT(132, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, FRG, NONE, PAY3),
611 	I40E_PTT(133, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, NONE, PAY3),
612 	I40E_PTT(134, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, UDP,  PAY4),
613 	I40E_PTT_UNUSED_ENTRY(135),
614 	I40E_PTT(136, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, TCP,  PAY4),
615 	I40E_PTT(137, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, SCTP, PAY4),
616 	I40E_PTT(138, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, ICMP, PAY4),
617 
618 	/* IPv6 --> GRE/NAT -> MAC/VLAN */
619 	I40E_PTT(139, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, NONE, NOF, NONE, PAY3),
620 
621 	/* IPv6 --> GRE/NAT -> MAC/VLAN --> IPv4 */
622 	I40E_PTT(140, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, FRG, NONE, PAY3),
623 	I40E_PTT(141, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, NONE, PAY3),
624 	I40E_PTT(142, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, UDP,  PAY4),
625 	I40E_PTT_UNUSED_ENTRY(143),
626 	I40E_PTT(144, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, TCP,  PAY4),
627 	I40E_PTT(145, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, SCTP, PAY4),
628 	I40E_PTT(146, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, ICMP, PAY4),
629 
630 	/* IPv6 --> GRE/NAT -> MAC/VLAN --> IPv6 */
631 	I40E_PTT(147, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, FRG, NONE, PAY3),
632 	I40E_PTT(148, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, NONE, PAY3),
633 	I40E_PTT(149, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, UDP,  PAY4),
634 	I40E_PTT_UNUSED_ENTRY(150),
635 	I40E_PTT(151, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, TCP,  PAY4),
636 	I40E_PTT(152, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, SCTP, PAY4),
637 	I40E_PTT(153, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, ICMP, PAY4),
638 
639 	/* unused entries */
640 	[154 ... 255] = { 0, 0, 0, 0, 0, 0, 0, 0, 0 }
641 };
642 
643 /**
644  * i40e_init_shared_code - Initialize the shared code
645  * @hw: pointer to hardware structure
646  *
647  * This assigns the MAC type and PHY code and inits the NVM.
648  * Does not touch the hardware. This function must be called prior to any
649  * other function in the shared code. The i40e_hw structure should be
650  * memset to 0 prior to calling this function.  The following fields in
651  * hw structure should be filled in prior to calling this function:
652  * hw_addr, back, device_id, vendor_id, subsystem_device_id,
653  * subsystem_vendor_id, and revision_id
654  **/
i40e_init_shared_code(struct i40e_hw * hw)655 int i40e_init_shared_code(struct i40e_hw *hw)
656 {
657 	u32 port, ari, func_rid;
658 	int status = 0;
659 
660 	i40e_set_mac_type(hw);
661 
662 	switch (hw->mac.type) {
663 	case I40E_MAC_XL710:
664 	case I40E_MAC_X722:
665 		break;
666 	default:
667 		return -ENODEV;
668 	}
669 
670 	hw->phy.get_link_info = true;
671 
672 	/* Determine port number and PF number*/
673 	port = (rd32(hw, I40E_PFGEN_PORTNUM) & I40E_PFGEN_PORTNUM_PORT_NUM_MASK)
674 					   >> I40E_PFGEN_PORTNUM_PORT_NUM_SHIFT;
675 	hw->port = (u8)port;
676 	ari = (rd32(hw, I40E_GLPCI_CAPSUP) & I40E_GLPCI_CAPSUP_ARI_EN_MASK) >>
677 						 I40E_GLPCI_CAPSUP_ARI_EN_SHIFT;
678 	func_rid = rd32(hw, I40E_PF_FUNC_RID);
679 	if (ari)
680 		hw->pf_id = (u8)(func_rid & 0xff);
681 	else
682 		hw->pf_id = (u8)(func_rid & 0x7);
683 
684 	status = i40e_init_nvm(hw);
685 	return status;
686 }
687 
688 /**
689  * i40e_aq_mac_address_read - Retrieve the MAC addresses
690  * @hw: pointer to the hw struct
691  * @flags: a return indicator of what addresses were added to the addr store
692  * @addrs: the requestor's mac addr store
693  * @cmd_details: pointer to command details structure or NULL
694  **/
695 static int
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)696 i40e_aq_mac_address_read(struct i40e_hw *hw,
697 			 u16 *flags,
698 			 struct i40e_aqc_mac_address_read_data *addrs,
699 			 struct i40e_asq_cmd_details *cmd_details)
700 {
701 	struct i40e_aq_desc desc;
702 	struct i40e_aqc_mac_address_read *cmd_data =
703 		(struct i40e_aqc_mac_address_read *)&desc.params.raw;
704 	int status;
705 
706 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_mac_address_read);
707 	desc.flags |= cpu_to_le16(I40E_AQ_FLAG_BUF);
708 
709 	status = i40e_asq_send_command(hw, &desc, addrs,
710 				       sizeof(*addrs), cmd_details);
711 	*flags = le16_to_cpu(cmd_data->command_flags);
712 
713 	return status;
714 }
715 
716 /**
717  * i40e_aq_mac_address_write - Change the MAC addresses
718  * @hw: pointer to the hw struct
719  * @flags: indicates which MAC to be written
720  * @mac_addr: address to write
721  * @cmd_details: pointer to command details structure or NULL
722  **/
i40e_aq_mac_address_write(struct i40e_hw * hw,u16 flags,u8 * mac_addr,struct i40e_asq_cmd_details * cmd_details)723 int i40e_aq_mac_address_write(struct i40e_hw *hw,
724 			      u16 flags, u8 *mac_addr,
725 			      struct i40e_asq_cmd_details *cmd_details)
726 {
727 	struct i40e_aq_desc desc;
728 	struct i40e_aqc_mac_address_write *cmd_data =
729 		(struct i40e_aqc_mac_address_write *)&desc.params.raw;
730 	int status;
731 
732 	i40e_fill_default_direct_cmd_desc(&desc,
733 					  i40e_aqc_opc_mac_address_write);
734 	cmd_data->command_flags = cpu_to_le16(flags);
735 	cmd_data->mac_sah = cpu_to_le16((u16)mac_addr[0] << 8 | mac_addr[1]);
736 	cmd_data->mac_sal = cpu_to_le32(((u32)mac_addr[2] << 24) |
737 					((u32)mac_addr[3] << 16) |
738 					((u32)mac_addr[4] << 8) |
739 					mac_addr[5]);
740 
741 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
742 
743 	return status;
744 }
745 
746 /**
747  * i40e_get_mac_addr - get MAC address
748  * @hw: pointer to the HW structure
749  * @mac_addr: pointer to MAC address
750  *
751  * Reads the adapter's MAC address from register
752  **/
i40e_get_mac_addr(struct i40e_hw * hw,u8 * mac_addr)753 int i40e_get_mac_addr(struct i40e_hw *hw, u8 *mac_addr)
754 {
755 	struct i40e_aqc_mac_address_read_data addrs;
756 	u16 flags = 0;
757 	int status;
758 
759 	status = i40e_aq_mac_address_read(hw, &flags, &addrs, NULL);
760 
761 	if (flags & I40E_AQC_LAN_ADDR_VALID)
762 		ether_addr_copy(mac_addr, addrs.pf_lan_mac);
763 
764 	return status;
765 }
766 
767 /**
768  * i40e_get_port_mac_addr - get Port MAC address
769  * @hw: pointer to the HW structure
770  * @mac_addr: pointer to Port MAC address
771  *
772  * Reads the adapter's Port MAC address
773  **/
i40e_get_port_mac_addr(struct i40e_hw * hw,u8 * mac_addr)774 int i40e_get_port_mac_addr(struct i40e_hw *hw, u8 *mac_addr)
775 {
776 	struct i40e_aqc_mac_address_read_data addrs;
777 	u16 flags = 0;
778 	int status;
779 
780 	status = i40e_aq_mac_address_read(hw, &flags, &addrs, NULL);
781 	if (status)
782 		return status;
783 
784 	if (flags & I40E_AQC_PORT_ADDR_VALID)
785 		ether_addr_copy(mac_addr, addrs.port_mac);
786 	else
787 		status = -EINVAL;
788 
789 	return status;
790 }
791 
792 /**
793  * i40e_pre_tx_queue_cfg - pre tx queue configure
794  * @hw: pointer to the HW structure
795  * @queue: target PF queue index
796  * @enable: state change request
797  *
798  * Handles hw requirement to indicate intention to enable
799  * or disable target queue.
800  **/
i40e_pre_tx_queue_cfg(struct i40e_hw * hw,u32 queue,bool enable)801 void i40e_pre_tx_queue_cfg(struct i40e_hw *hw, u32 queue, bool enable)
802 {
803 	u32 abs_queue_idx = hw->func_caps.base_queue + queue;
804 	u32 reg_block = 0;
805 	u32 reg_val;
806 
807 	if (abs_queue_idx >= 128) {
808 		reg_block = abs_queue_idx / 128;
809 		abs_queue_idx %= 128;
810 	}
811 
812 	reg_val = rd32(hw, I40E_GLLAN_TXPRE_QDIS(reg_block));
813 	reg_val &= ~I40E_GLLAN_TXPRE_QDIS_QINDX_MASK;
814 	reg_val |= (abs_queue_idx << I40E_GLLAN_TXPRE_QDIS_QINDX_SHIFT);
815 
816 	if (enable)
817 		reg_val |= I40E_GLLAN_TXPRE_QDIS_CLEAR_QDIS_MASK;
818 	else
819 		reg_val |= I40E_GLLAN_TXPRE_QDIS_SET_QDIS_MASK;
820 
821 	wr32(hw, I40E_GLLAN_TXPRE_QDIS(reg_block), reg_val);
822 }
823 
824 /**
825  *  i40e_read_pba_string - Reads part number string from EEPROM
826  *  @hw: pointer to hardware structure
827  *  @pba_num: stores the part number string from the EEPROM
828  *  @pba_num_size: part number string buffer length
829  *
830  *  Reads the part number string from the EEPROM.
831  **/
i40e_read_pba_string(struct i40e_hw * hw,u8 * pba_num,u32 pba_num_size)832 int i40e_read_pba_string(struct i40e_hw *hw, u8 *pba_num,
833 			 u32 pba_num_size)
834 {
835 	u16 pba_word = 0;
836 	u16 pba_size = 0;
837 	u16 pba_ptr = 0;
838 	int status = 0;
839 	u16 i = 0;
840 
841 	status = i40e_read_nvm_word(hw, I40E_SR_PBA_FLAGS, &pba_word);
842 	if (status || (pba_word != 0xFAFA)) {
843 		hw_dbg(hw, "Failed to read PBA flags or flag is invalid.\n");
844 		return status;
845 	}
846 
847 	status = i40e_read_nvm_word(hw, I40E_SR_PBA_BLOCK_PTR, &pba_ptr);
848 	if (status) {
849 		hw_dbg(hw, "Failed to read PBA Block pointer.\n");
850 		return status;
851 	}
852 
853 	status = i40e_read_nvm_word(hw, pba_ptr, &pba_size);
854 	if (status) {
855 		hw_dbg(hw, "Failed to read PBA Block size.\n");
856 		return status;
857 	}
858 
859 	/* Subtract one to get PBA word count (PBA Size word is included in
860 	 * total size)
861 	 */
862 	pba_size--;
863 	if (pba_num_size < (((u32)pba_size * 2) + 1)) {
864 		hw_dbg(hw, "Buffer too small for PBA data.\n");
865 		return -EINVAL;
866 	}
867 
868 	for (i = 0; i < pba_size; i++) {
869 		status = i40e_read_nvm_word(hw, (pba_ptr + 1) + i, &pba_word);
870 		if (status) {
871 			hw_dbg(hw, "Failed to read PBA Block word %d.\n", i);
872 			return status;
873 		}
874 
875 		pba_num[(i * 2)] = (pba_word >> 8) & 0xFF;
876 		pba_num[(i * 2) + 1] = pba_word & 0xFF;
877 	}
878 	pba_num[(pba_size * 2)] = '\0';
879 
880 	return status;
881 }
882 
883 /**
884  * i40e_get_media_type - Gets media type
885  * @hw: pointer to the hardware structure
886  **/
i40e_get_media_type(struct i40e_hw * hw)887 static enum i40e_media_type i40e_get_media_type(struct i40e_hw *hw)
888 {
889 	enum i40e_media_type media;
890 
891 	switch (hw->phy.link_info.phy_type) {
892 	case I40E_PHY_TYPE_10GBASE_SR:
893 	case I40E_PHY_TYPE_10GBASE_LR:
894 	case I40E_PHY_TYPE_1000BASE_SX:
895 	case I40E_PHY_TYPE_1000BASE_LX:
896 	case I40E_PHY_TYPE_40GBASE_SR4:
897 	case I40E_PHY_TYPE_40GBASE_LR4:
898 	case I40E_PHY_TYPE_25GBASE_LR:
899 	case I40E_PHY_TYPE_25GBASE_SR:
900 		media = I40E_MEDIA_TYPE_FIBER;
901 		break;
902 	case I40E_PHY_TYPE_100BASE_TX:
903 	case I40E_PHY_TYPE_1000BASE_T:
904 	case I40E_PHY_TYPE_2_5GBASE_T_LINK_STATUS:
905 	case I40E_PHY_TYPE_5GBASE_T_LINK_STATUS:
906 	case I40E_PHY_TYPE_10GBASE_T:
907 		media = I40E_MEDIA_TYPE_BASET;
908 		break;
909 	case I40E_PHY_TYPE_10GBASE_CR1_CU:
910 	case I40E_PHY_TYPE_40GBASE_CR4_CU:
911 	case I40E_PHY_TYPE_10GBASE_CR1:
912 	case I40E_PHY_TYPE_40GBASE_CR4:
913 	case I40E_PHY_TYPE_10GBASE_SFPP_CU:
914 	case I40E_PHY_TYPE_40GBASE_AOC:
915 	case I40E_PHY_TYPE_10GBASE_AOC:
916 	case I40E_PHY_TYPE_25GBASE_CR:
917 	case I40E_PHY_TYPE_25GBASE_AOC:
918 	case I40E_PHY_TYPE_25GBASE_ACC:
919 		media = I40E_MEDIA_TYPE_DA;
920 		break;
921 	case I40E_PHY_TYPE_1000BASE_KX:
922 	case I40E_PHY_TYPE_10GBASE_KX4:
923 	case I40E_PHY_TYPE_10GBASE_KR:
924 	case I40E_PHY_TYPE_40GBASE_KR4:
925 	case I40E_PHY_TYPE_20GBASE_KR2:
926 	case I40E_PHY_TYPE_25GBASE_KR:
927 		media = I40E_MEDIA_TYPE_BACKPLANE;
928 		break;
929 	case I40E_PHY_TYPE_SGMII:
930 	case I40E_PHY_TYPE_XAUI:
931 	case I40E_PHY_TYPE_XFI:
932 	case I40E_PHY_TYPE_XLAUI:
933 	case I40E_PHY_TYPE_XLPPI:
934 	default:
935 		media = I40E_MEDIA_TYPE_UNKNOWN;
936 		break;
937 	}
938 
939 	return media;
940 }
941 
942 /**
943  * i40e_poll_globr - Poll for Global Reset completion
944  * @hw: pointer to the hardware structure
945  * @retry_limit: how many times to retry before failure
946  **/
i40e_poll_globr(struct i40e_hw * hw,u32 retry_limit)947 static int i40e_poll_globr(struct i40e_hw *hw,
948 			   u32 retry_limit)
949 {
950 	u32 cnt, reg = 0;
951 
952 	for (cnt = 0; cnt < retry_limit; cnt++) {
953 		reg = rd32(hw, I40E_GLGEN_RSTAT);
954 		if (!(reg & I40E_GLGEN_RSTAT_DEVSTATE_MASK))
955 			return 0;
956 		msleep(100);
957 	}
958 
959 	hw_dbg(hw, "Global reset failed.\n");
960 	hw_dbg(hw, "I40E_GLGEN_RSTAT = 0x%x\n", reg);
961 
962 	return -EIO;
963 }
964 
965 #define I40E_PF_RESET_WAIT_COUNT_A0	200
966 #define I40E_PF_RESET_WAIT_COUNT	200
967 /**
968  * i40e_pf_reset - Reset the PF
969  * @hw: pointer to the hardware structure
970  *
971  * Assuming someone else has triggered a global reset,
972  * assure the global reset is complete and then reset the PF
973  **/
i40e_pf_reset(struct i40e_hw * hw)974 int i40e_pf_reset(struct i40e_hw *hw)
975 {
976 	u32 cnt = 0;
977 	u32 cnt1 = 0;
978 	u32 reg = 0;
979 	u32 grst_del;
980 
981 	/* Poll for Global Reset steady state in case of recent GRST.
982 	 * The grst delay value is in 100ms units, and we'll wait a
983 	 * couple counts longer to be sure we don't just miss the end.
984 	 */
985 	grst_del = (rd32(hw, I40E_GLGEN_RSTCTL) &
986 		    I40E_GLGEN_RSTCTL_GRSTDEL_MASK) >>
987 		    I40E_GLGEN_RSTCTL_GRSTDEL_SHIFT;
988 
989 	/* It can take upto 15 secs for GRST steady state.
990 	 * Bump it to 16 secs max to be safe.
991 	 */
992 	grst_del = grst_del * 20;
993 
994 	for (cnt = 0; cnt < grst_del; cnt++) {
995 		reg = rd32(hw, I40E_GLGEN_RSTAT);
996 		if (!(reg & I40E_GLGEN_RSTAT_DEVSTATE_MASK))
997 			break;
998 		msleep(100);
999 	}
1000 	if (reg & I40E_GLGEN_RSTAT_DEVSTATE_MASK) {
1001 		hw_dbg(hw, "Global reset polling failed to complete.\n");
1002 		return -EIO;
1003 	}
1004 
1005 	/* Now Wait for the FW to be ready */
1006 	for (cnt1 = 0; cnt1 < I40E_PF_RESET_WAIT_COUNT; cnt1++) {
1007 		reg = rd32(hw, I40E_GLNVM_ULD);
1008 		reg &= (I40E_GLNVM_ULD_CONF_CORE_DONE_MASK |
1009 			I40E_GLNVM_ULD_CONF_GLOBAL_DONE_MASK);
1010 		if (reg == (I40E_GLNVM_ULD_CONF_CORE_DONE_MASK |
1011 			    I40E_GLNVM_ULD_CONF_GLOBAL_DONE_MASK)) {
1012 			hw_dbg(hw, "Core and Global modules ready %d\n", cnt1);
1013 			break;
1014 		}
1015 		usleep_range(10000, 20000);
1016 	}
1017 	if (!(reg & (I40E_GLNVM_ULD_CONF_CORE_DONE_MASK |
1018 		     I40E_GLNVM_ULD_CONF_GLOBAL_DONE_MASK))) {
1019 		hw_dbg(hw, "wait for FW Reset complete timedout\n");
1020 		hw_dbg(hw, "I40E_GLNVM_ULD = 0x%x\n", reg);
1021 		return -EIO;
1022 	}
1023 
1024 	/* If there was a Global Reset in progress when we got here,
1025 	 * we don't need to do the PF Reset
1026 	 */
1027 	if (!cnt) {
1028 		u32 reg2 = 0;
1029 		if (hw->revision_id == 0)
1030 			cnt = I40E_PF_RESET_WAIT_COUNT_A0;
1031 		else
1032 			cnt = I40E_PF_RESET_WAIT_COUNT;
1033 		reg = rd32(hw, I40E_PFGEN_CTRL);
1034 		wr32(hw, I40E_PFGEN_CTRL,
1035 		     (reg | I40E_PFGEN_CTRL_PFSWR_MASK));
1036 		for (; cnt; cnt--) {
1037 			reg = rd32(hw, I40E_PFGEN_CTRL);
1038 			if (!(reg & I40E_PFGEN_CTRL_PFSWR_MASK))
1039 				break;
1040 			reg2 = rd32(hw, I40E_GLGEN_RSTAT);
1041 			if (reg2 & I40E_GLGEN_RSTAT_DEVSTATE_MASK)
1042 				break;
1043 			usleep_range(1000, 2000);
1044 		}
1045 		if (reg2 & I40E_GLGEN_RSTAT_DEVSTATE_MASK) {
1046 			if (i40e_poll_globr(hw, grst_del))
1047 				return -EIO;
1048 		} else if (reg & I40E_PFGEN_CTRL_PFSWR_MASK) {
1049 			hw_dbg(hw, "PF reset polling failed to complete.\n");
1050 			return -EIO;
1051 		}
1052 	}
1053 
1054 	i40e_clear_pxe_mode(hw);
1055 
1056 	return 0;
1057 }
1058 
1059 /**
1060  * i40e_clear_hw - clear out any left over hw state
1061  * @hw: pointer to the hw struct
1062  *
1063  * Clear queues and interrupts, typically called at init time,
1064  * but after the capabilities have been found so we know how many
1065  * queues and msix vectors have been allocated.
1066  **/
i40e_clear_hw(struct i40e_hw * hw)1067 void i40e_clear_hw(struct i40e_hw *hw)
1068 {
1069 	u32 num_queues, base_queue;
1070 	u32 num_pf_int;
1071 	u32 num_vf_int;
1072 	u32 num_vfs;
1073 	u32 i, j;
1074 	u32 val;
1075 	u32 eol = 0x7ff;
1076 
1077 	/* get number of interrupts, queues, and VFs */
1078 	val = rd32(hw, I40E_GLPCI_CNF2);
1079 	num_pf_int = (val & I40E_GLPCI_CNF2_MSI_X_PF_N_MASK) >>
1080 		     I40E_GLPCI_CNF2_MSI_X_PF_N_SHIFT;
1081 	num_vf_int = (val & I40E_GLPCI_CNF2_MSI_X_VF_N_MASK) >>
1082 		     I40E_GLPCI_CNF2_MSI_X_VF_N_SHIFT;
1083 
1084 	val = rd32(hw, I40E_PFLAN_QALLOC);
1085 	base_queue = (val & I40E_PFLAN_QALLOC_FIRSTQ_MASK) >>
1086 		     I40E_PFLAN_QALLOC_FIRSTQ_SHIFT;
1087 	j = (val & I40E_PFLAN_QALLOC_LASTQ_MASK) >>
1088 	    I40E_PFLAN_QALLOC_LASTQ_SHIFT;
1089 	if (val & I40E_PFLAN_QALLOC_VALID_MASK && j >= base_queue)
1090 		num_queues = (j - base_queue) + 1;
1091 	else
1092 		num_queues = 0;
1093 
1094 	val = rd32(hw, I40E_PF_VT_PFALLOC);
1095 	i = (val & I40E_PF_VT_PFALLOC_FIRSTVF_MASK) >>
1096 	    I40E_PF_VT_PFALLOC_FIRSTVF_SHIFT;
1097 	j = (val & I40E_PF_VT_PFALLOC_LASTVF_MASK) >>
1098 	    I40E_PF_VT_PFALLOC_LASTVF_SHIFT;
1099 	if (val & I40E_PF_VT_PFALLOC_VALID_MASK && j >= i)
1100 		num_vfs = (j - i) + 1;
1101 	else
1102 		num_vfs = 0;
1103 
1104 	/* stop all the interrupts */
1105 	wr32(hw, I40E_PFINT_ICR0_ENA, 0);
1106 	val = 0x3 << I40E_PFINT_DYN_CTLN_ITR_INDX_SHIFT;
1107 	for (i = 0; i < num_pf_int - 2; i++)
1108 		wr32(hw, I40E_PFINT_DYN_CTLN(i), val);
1109 
1110 	/* Set the FIRSTQ_INDX field to 0x7FF in PFINT_LNKLSTx */
1111 	val = eol << I40E_PFINT_LNKLST0_FIRSTQ_INDX_SHIFT;
1112 	wr32(hw, I40E_PFINT_LNKLST0, val);
1113 	for (i = 0; i < num_pf_int - 2; i++)
1114 		wr32(hw, I40E_PFINT_LNKLSTN(i), val);
1115 	val = eol << I40E_VPINT_LNKLST0_FIRSTQ_INDX_SHIFT;
1116 	for (i = 0; i < num_vfs; i++)
1117 		wr32(hw, I40E_VPINT_LNKLST0(i), val);
1118 	for (i = 0; i < num_vf_int - 2; i++)
1119 		wr32(hw, I40E_VPINT_LNKLSTN(i), val);
1120 
1121 	/* warn the HW of the coming Tx disables */
1122 	for (i = 0; i < num_queues; i++) {
1123 		u32 abs_queue_idx = base_queue + i;
1124 		u32 reg_block = 0;
1125 
1126 		if (abs_queue_idx >= 128) {
1127 			reg_block = abs_queue_idx / 128;
1128 			abs_queue_idx %= 128;
1129 		}
1130 
1131 		val = rd32(hw, I40E_GLLAN_TXPRE_QDIS(reg_block));
1132 		val &= ~I40E_GLLAN_TXPRE_QDIS_QINDX_MASK;
1133 		val |= (abs_queue_idx << I40E_GLLAN_TXPRE_QDIS_QINDX_SHIFT);
1134 		val |= I40E_GLLAN_TXPRE_QDIS_SET_QDIS_MASK;
1135 
1136 		wr32(hw, I40E_GLLAN_TXPRE_QDIS(reg_block), val);
1137 	}
1138 	udelay(400);
1139 
1140 	/* stop all the queues */
1141 	for (i = 0; i < num_queues; i++) {
1142 		wr32(hw, I40E_QINT_TQCTL(i), 0);
1143 		wr32(hw, I40E_QTX_ENA(i), 0);
1144 		wr32(hw, I40E_QINT_RQCTL(i), 0);
1145 		wr32(hw, I40E_QRX_ENA(i), 0);
1146 	}
1147 
1148 	/* short wait for all queue disables to settle */
1149 	udelay(50);
1150 }
1151 
1152 /**
1153  * i40e_clear_pxe_mode - clear pxe operations mode
1154  * @hw: pointer to the hw struct
1155  *
1156  * Make sure all PXE mode settings are cleared, including things
1157  * like descriptor fetch/write-back mode.
1158  **/
i40e_clear_pxe_mode(struct i40e_hw * hw)1159 void i40e_clear_pxe_mode(struct i40e_hw *hw)
1160 {
1161 	u32 reg;
1162 
1163 	if (i40e_check_asq_alive(hw))
1164 		i40e_aq_clear_pxe_mode(hw, NULL);
1165 
1166 	/* Clear single descriptor fetch/write-back mode */
1167 	reg = rd32(hw, I40E_GLLAN_RCTL_0);
1168 
1169 	if (hw->revision_id == 0) {
1170 		/* As a work around clear PXE_MODE instead of setting it */
1171 		wr32(hw, I40E_GLLAN_RCTL_0, (reg & (~I40E_GLLAN_RCTL_0_PXE_MODE_MASK)));
1172 	} else {
1173 		wr32(hw, I40E_GLLAN_RCTL_0, (reg | I40E_GLLAN_RCTL_0_PXE_MODE_MASK));
1174 	}
1175 }
1176 
1177 /**
1178  * i40e_led_is_mine - helper to find matching led
1179  * @hw: pointer to the hw struct
1180  * @idx: index into GPIO registers
1181  *
1182  * returns: 0 if no match, otherwise the value of the GPIO_CTL register
1183  */
i40e_led_is_mine(struct i40e_hw * hw,int idx)1184 static u32 i40e_led_is_mine(struct i40e_hw *hw, int idx)
1185 {
1186 	u32 gpio_val = 0;
1187 	u32 port;
1188 
1189 	if (!I40E_IS_X710TL_DEVICE(hw->device_id) &&
1190 	    !hw->func_caps.led[idx])
1191 		return 0;
1192 	gpio_val = rd32(hw, I40E_GLGEN_GPIO_CTL(idx));
1193 	port = (gpio_val & I40E_GLGEN_GPIO_CTL_PRT_NUM_MASK) >>
1194 		I40E_GLGEN_GPIO_CTL_PRT_NUM_SHIFT;
1195 
1196 	/* if PRT_NUM_NA is 1 then this LED is not port specific, OR
1197 	 * if it is not our port then ignore
1198 	 */
1199 	if ((gpio_val & I40E_GLGEN_GPIO_CTL_PRT_NUM_NA_MASK) ||
1200 	    (port != hw->port))
1201 		return 0;
1202 
1203 	return gpio_val;
1204 }
1205 
1206 #define I40E_FW_LED BIT(4)
1207 #define I40E_LED_MODE_VALID (I40E_GLGEN_GPIO_CTL_LED_MODE_MASK >> \
1208 			     I40E_GLGEN_GPIO_CTL_LED_MODE_SHIFT)
1209 
1210 #define I40E_LED0 22
1211 
1212 #define I40E_PIN_FUNC_SDP 0x0
1213 #define I40E_PIN_FUNC_LED 0x1
1214 
1215 /**
1216  * i40e_led_get - return current on/off mode
1217  * @hw: pointer to the hw struct
1218  *
1219  * The value returned is the 'mode' field as defined in the
1220  * GPIO register definitions: 0x0 = off, 0xf = on, and other
1221  * values are variations of possible behaviors relating to
1222  * blink, link, and wire.
1223  **/
i40e_led_get(struct i40e_hw * hw)1224 u32 i40e_led_get(struct i40e_hw *hw)
1225 {
1226 	u32 mode = 0;
1227 	int i;
1228 
1229 	/* as per the documentation GPIO 22-29 are the LED
1230 	 * GPIO pins named LED0..LED7
1231 	 */
1232 	for (i = I40E_LED0; i <= I40E_GLGEN_GPIO_CTL_MAX_INDEX; i++) {
1233 		u32 gpio_val = i40e_led_is_mine(hw, i);
1234 
1235 		if (!gpio_val)
1236 			continue;
1237 
1238 		mode = (gpio_val & I40E_GLGEN_GPIO_CTL_LED_MODE_MASK) >>
1239 			I40E_GLGEN_GPIO_CTL_LED_MODE_SHIFT;
1240 		break;
1241 	}
1242 
1243 	return mode;
1244 }
1245 
1246 /**
1247  * i40e_led_set - set new on/off mode
1248  * @hw: pointer to the hw struct
1249  * @mode: 0=off, 0xf=on (else see manual for mode details)
1250  * @blink: true if the LED should blink when on, false if steady
1251  *
1252  * if this function is used to turn on the blink it should
1253  * be used to disable the blink when restoring the original state.
1254  **/
i40e_led_set(struct i40e_hw * hw,u32 mode,bool blink)1255 void i40e_led_set(struct i40e_hw *hw, u32 mode, bool blink)
1256 {
1257 	int i;
1258 
1259 	if (mode & ~I40E_LED_MODE_VALID) {
1260 		hw_dbg(hw, "invalid mode passed in %X\n", mode);
1261 		return;
1262 	}
1263 
1264 	/* as per the documentation GPIO 22-29 are the LED
1265 	 * GPIO pins named LED0..LED7
1266 	 */
1267 	for (i = I40E_LED0; i <= I40E_GLGEN_GPIO_CTL_MAX_INDEX; i++) {
1268 		u32 gpio_val = i40e_led_is_mine(hw, i);
1269 
1270 		if (!gpio_val)
1271 			continue;
1272 
1273 		if (I40E_IS_X710TL_DEVICE(hw->device_id)) {
1274 			u32 pin_func = 0;
1275 
1276 			if (mode & I40E_FW_LED)
1277 				pin_func = I40E_PIN_FUNC_SDP;
1278 			else
1279 				pin_func = I40E_PIN_FUNC_LED;
1280 
1281 			gpio_val &= ~I40E_GLGEN_GPIO_CTL_PIN_FUNC_MASK;
1282 			gpio_val |= ((pin_func <<
1283 				     I40E_GLGEN_GPIO_CTL_PIN_FUNC_SHIFT) &
1284 				     I40E_GLGEN_GPIO_CTL_PIN_FUNC_MASK);
1285 		}
1286 		gpio_val &= ~I40E_GLGEN_GPIO_CTL_LED_MODE_MASK;
1287 		/* this & is a bit of paranoia, but serves as a range check */
1288 		gpio_val |= ((mode << I40E_GLGEN_GPIO_CTL_LED_MODE_SHIFT) &
1289 			     I40E_GLGEN_GPIO_CTL_LED_MODE_MASK);
1290 
1291 		if (blink)
1292 			gpio_val |= BIT(I40E_GLGEN_GPIO_CTL_LED_BLINK_SHIFT);
1293 		else
1294 			gpio_val &= ~BIT(I40E_GLGEN_GPIO_CTL_LED_BLINK_SHIFT);
1295 
1296 		wr32(hw, I40E_GLGEN_GPIO_CTL(i), gpio_val);
1297 		break;
1298 	}
1299 }
1300 
1301 /* Admin command wrappers */
1302 
1303 /**
1304  * i40e_aq_get_phy_capabilities
1305  * @hw: pointer to the hw struct
1306  * @abilities: structure for PHY capabilities to be filled
1307  * @qualified_modules: report Qualified Modules
1308  * @report_init: report init capabilities (active are default)
1309  * @cmd_details: pointer to command details structure or NULL
1310  *
1311  * Returns the various PHY abilities supported on the Port.
1312  **/
1313 int
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)1314 i40e_aq_get_phy_capabilities(struct i40e_hw *hw,
1315 			     bool qualified_modules, bool report_init,
1316 			     struct i40e_aq_get_phy_abilities_resp *abilities,
1317 			     struct i40e_asq_cmd_details *cmd_details)
1318 {
1319 	u16 abilities_size = sizeof(struct i40e_aq_get_phy_abilities_resp);
1320 	u16 max_delay = I40E_MAX_PHY_TIMEOUT, total_delay = 0;
1321 	struct i40e_aq_desc desc;
1322 	int status;
1323 
1324 	if (!abilities)
1325 		return -EINVAL;
1326 
1327 	do {
1328 		i40e_fill_default_direct_cmd_desc(&desc,
1329 					       i40e_aqc_opc_get_phy_abilities);
1330 
1331 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
1332 		if (abilities_size > I40E_AQ_LARGE_BUF)
1333 			desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
1334 
1335 		if (qualified_modules)
1336 			desc.params.external.param0 |=
1337 			cpu_to_le32(I40E_AQ_PHY_REPORT_QUALIFIED_MODULES);
1338 
1339 		if (report_init)
1340 			desc.params.external.param0 |=
1341 			cpu_to_le32(I40E_AQ_PHY_REPORT_INITIAL_VALUES);
1342 
1343 		status = i40e_asq_send_command(hw, &desc, abilities,
1344 					       abilities_size, cmd_details);
1345 
1346 		switch (hw->aq.asq_last_status) {
1347 		case I40E_AQ_RC_EIO:
1348 			status = -EIO;
1349 			break;
1350 		case I40E_AQ_RC_EAGAIN:
1351 			usleep_range(1000, 2000);
1352 			total_delay++;
1353 			status = -EIO;
1354 			break;
1355 		/* also covers I40E_AQ_RC_OK */
1356 		default:
1357 			break;
1358 		}
1359 
1360 	} while ((hw->aq.asq_last_status == I40E_AQ_RC_EAGAIN) &&
1361 		(total_delay < max_delay));
1362 
1363 	if (status)
1364 		return status;
1365 
1366 	if (report_init) {
1367 		if (hw->mac.type ==  I40E_MAC_XL710 &&
1368 		    hw->aq.api_maj_ver == I40E_FW_API_VERSION_MAJOR &&
1369 		    hw->aq.api_min_ver >= I40E_MINOR_VER_GET_LINK_INFO_XL710) {
1370 			status = i40e_aq_get_link_info(hw, true, NULL, NULL);
1371 		} else {
1372 			hw->phy.phy_types = le32_to_cpu(abilities->phy_type);
1373 			hw->phy.phy_types |=
1374 					((u64)abilities->phy_type_ext << 32);
1375 		}
1376 	}
1377 
1378 	return status;
1379 }
1380 
1381 /**
1382  * i40e_aq_set_phy_config
1383  * @hw: pointer to the hw struct
1384  * @config: structure with PHY configuration to be set
1385  * @cmd_details: pointer to command details structure or NULL
1386  *
1387  * Set the various PHY configuration parameters
1388  * supported on the Port.One or more of the Set PHY config parameters may be
1389  * ignored in an MFP mode as the PF may not have the privilege to set some
1390  * of the PHY Config parameters. This status will be indicated by the
1391  * command response.
1392  **/
i40e_aq_set_phy_config(struct i40e_hw * hw,struct i40e_aq_set_phy_config * config,struct i40e_asq_cmd_details * cmd_details)1393 int i40e_aq_set_phy_config(struct i40e_hw *hw,
1394 			   struct i40e_aq_set_phy_config *config,
1395 			   struct i40e_asq_cmd_details *cmd_details)
1396 {
1397 	struct i40e_aq_desc desc;
1398 	struct i40e_aq_set_phy_config *cmd =
1399 			(struct i40e_aq_set_phy_config *)&desc.params.raw;
1400 	int status;
1401 
1402 	if (!config)
1403 		return -EINVAL;
1404 
1405 	i40e_fill_default_direct_cmd_desc(&desc,
1406 					  i40e_aqc_opc_set_phy_config);
1407 
1408 	*cmd = *config;
1409 
1410 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1411 
1412 	return status;
1413 }
1414 
1415 static noinline_for_stack int
i40e_set_fc_status(struct i40e_hw * hw,struct i40e_aq_get_phy_abilities_resp * abilities,bool atomic_restart)1416 i40e_set_fc_status(struct i40e_hw *hw,
1417 		   struct i40e_aq_get_phy_abilities_resp *abilities,
1418 		   bool atomic_restart)
1419 {
1420 	struct i40e_aq_set_phy_config config;
1421 	enum i40e_fc_mode fc_mode = hw->fc.requested_mode;
1422 	u8 pause_mask = 0x0;
1423 
1424 	switch (fc_mode) {
1425 	case I40E_FC_FULL:
1426 		pause_mask |= I40E_AQ_PHY_FLAG_PAUSE_TX;
1427 		pause_mask |= I40E_AQ_PHY_FLAG_PAUSE_RX;
1428 		break;
1429 	case I40E_FC_RX_PAUSE:
1430 		pause_mask |= I40E_AQ_PHY_FLAG_PAUSE_RX;
1431 		break;
1432 	case I40E_FC_TX_PAUSE:
1433 		pause_mask |= I40E_AQ_PHY_FLAG_PAUSE_TX;
1434 		break;
1435 	default:
1436 		break;
1437 	}
1438 
1439 	memset(&config, 0, sizeof(struct i40e_aq_set_phy_config));
1440 	/* clear the old pause settings */
1441 	config.abilities = abilities->abilities & ~(I40E_AQ_PHY_FLAG_PAUSE_TX) &
1442 			   ~(I40E_AQ_PHY_FLAG_PAUSE_RX);
1443 	/* set the new abilities */
1444 	config.abilities |= pause_mask;
1445 	/* If the abilities have changed, then set the new config */
1446 	if (config.abilities == abilities->abilities)
1447 		return 0;
1448 
1449 	/* Auto restart link so settings take effect */
1450 	if (atomic_restart)
1451 		config.abilities |= I40E_AQ_PHY_ENABLE_ATOMIC_LINK;
1452 	/* Copy over all the old settings */
1453 	config.phy_type = abilities->phy_type;
1454 	config.phy_type_ext = abilities->phy_type_ext;
1455 	config.link_speed = abilities->link_speed;
1456 	config.eee_capability = abilities->eee_capability;
1457 	config.eeer = abilities->eeer_val;
1458 	config.low_power_ctrl = abilities->d3_lpan;
1459 	config.fec_config = abilities->fec_cfg_curr_mod_ext_info &
1460 			    I40E_AQ_PHY_FEC_CONFIG_MASK;
1461 
1462 	return i40e_aq_set_phy_config(hw, &config, NULL);
1463 }
1464 
1465 /**
1466  * i40e_set_fc
1467  * @hw: pointer to the hw struct
1468  * @aq_failures: buffer to return AdminQ failure information
1469  * @atomic_restart: whether to enable atomic link restart
1470  *
1471  * Set the requested flow control mode using set_phy_config.
1472  **/
i40e_set_fc(struct i40e_hw * hw,u8 * aq_failures,bool atomic_restart)1473 int i40e_set_fc(struct i40e_hw *hw, u8 *aq_failures,
1474 		bool atomic_restart)
1475 {
1476 	struct i40e_aq_get_phy_abilities_resp abilities;
1477 	int status;
1478 
1479 	*aq_failures = 0x0;
1480 
1481 	/* Get the current phy config */
1482 	status = i40e_aq_get_phy_capabilities(hw, false, false, &abilities,
1483 					      NULL);
1484 	if (status) {
1485 		*aq_failures |= I40E_SET_FC_AQ_FAIL_GET;
1486 		return status;
1487 	}
1488 
1489 	status = i40e_set_fc_status(hw, &abilities, atomic_restart);
1490 	if (status)
1491 		*aq_failures |= I40E_SET_FC_AQ_FAIL_SET;
1492 
1493 	/* Update the link info */
1494 	status = i40e_update_link_info(hw);
1495 	if (status) {
1496 		/* Wait a little bit (on 40G cards it sometimes takes a really
1497 		 * long time for link to come back from the atomic reset)
1498 		 * and try once more
1499 		 */
1500 		msleep(1000);
1501 		status = i40e_update_link_info(hw);
1502 	}
1503 	if (status)
1504 		*aq_failures |= I40E_SET_FC_AQ_FAIL_UPDATE;
1505 
1506 	return status;
1507 }
1508 
1509 /**
1510  * i40e_aq_clear_pxe_mode
1511  * @hw: pointer to the hw struct
1512  * @cmd_details: pointer to command details structure or NULL
1513  *
1514  * Tell the firmware that the driver is taking over from PXE
1515  **/
i40e_aq_clear_pxe_mode(struct i40e_hw * hw,struct i40e_asq_cmd_details * cmd_details)1516 int i40e_aq_clear_pxe_mode(struct i40e_hw *hw,
1517 			   struct i40e_asq_cmd_details *cmd_details)
1518 {
1519 	struct i40e_aq_desc desc;
1520 	struct i40e_aqc_clear_pxe *cmd =
1521 		(struct i40e_aqc_clear_pxe *)&desc.params.raw;
1522 	int status;
1523 
1524 	i40e_fill_default_direct_cmd_desc(&desc,
1525 					  i40e_aqc_opc_clear_pxe_mode);
1526 
1527 	cmd->rx_cnt = 0x2;
1528 
1529 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1530 
1531 	wr32(hw, I40E_GLLAN_RCTL_0, 0x1);
1532 
1533 	return status;
1534 }
1535 
1536 /**
1537  * i40e_aq_set_link_restart_an
1538  * @hw: pointer to the hw struct
1539  * @enable_link: if true: enable link, if false: disable link
1540  * @cmd_details: pointer to command details structure or NULL
1541  *
1542  * Sets up the link and restarts the Auto-Negotiation over the link.
1543  **/
i40e_aq_set_link_restart_an(struct i40e_hw * hw,bool enable_link,struct i40e_asq_cmd_details * cmd_details)1544 int i40e_aq_set_link_restart_an(struct i40e_hw *hw,
1545 				bool enable_link,
1546 				struct i40e_asq_cmd_details *cmd_details)
1547 {
1548 	struct i40e_aq_desc desc;
1549 	struct i40e_aqc_set_link_restart_an *cmd =
1550 		(struct i40e_aqc_set_link_restart_an *)&desc.params.raw;
1551 	int status;
1552 
1553 	i40e_fill_default_direct_cmd_desc(&desc,
1554 					  i40e_aqc_opc_set_link_restart_an);
1555 
1556 	cmd->command = I40E_AQ_PHY_RESTART_AN;
1557 	if (enable_link)
1558 		cmd->command |= I40E_AQ_PHY_LINK_ENABLE;
1559 	else
1560 		cmd->command &= ~I40E_AQ_PHY_LINK_ENABLE;
1561 
1562 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1563 
1564 	return status;
1565 }
1566 
1567 /**
1568  * i40e_aq_get_link_info
1569  * @hw: pointer to the hw struct
1570  * @enable_lse: enable/disable LinkStatusEvent reporting
1571  * @link: pointer to link status structure - optional
1572  * @cmd_details: pointer to command details structure or NULL
1573  *
1574  * Returns the link status of the adapter.
1575  **/
i40e_aq_get_link_info(struct i40e_hw * hw,bool enable_lse,struct i40e_link_status * link,struct i40e_asq_cmd_details * cmd_details)1576 int i40e_aq_get_link_info(struct i40e_hw *hw,
1577 			  bool enable_lse, struct i40e_link_status *link,
1578 			  struct i40e_asq_cmd_details *cmd_details)
1579 {
1580 	struct i40e_aq_desc desc;
1581 	struct i40e_aqc_get_link_status *resp =
1582 		(struct i40e_aqc_get_link_status *)&desc.params.raw;
1583 	struct i40e_link_status *hw_link_info = &hw->phy.link_info;
1584 	bool tx_pause, rx_pause;
1585 	u16 command_flags;
1586 	int status;
1587 
1588 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_get_link_status);
1589 
1590 	if (enable_lse)
1591 		command_flags = I40E_AQ_LSE_ENABLE;
1592 	else
1593 		command_flags = I40E_AQ_LSE_DISABLE;
1594 	resp->command_flags = cpu_to_le16(command_flags);
1595 
1596 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1597 
1598 	if (status)
1599 		goto aq_get_link_info_exit;
1600 
1601 	/* save off old link status information */
1602 	hw->phy.link_info_old = *hw_link_info;
1603 
1604 	/* update link status */
1605 	hw_link_info->phy_type = (enum i40e_aq_phy_type)resp->phy_type;
1606 	hw->phy.media_type = i40e_get_media_type(hw);
1607 	hw_link_info->link_speed = (enum i40e_aq_link_speed)resp->link_speed;
1608 	hw_link_info->link_info = resp->link_info;
1609 	hw_link_info->an_info = resp->an_info;
1610 	hw_link_info->fec_info = resp->config & (I40E_AQ_CONFIG_FEC_KR_ENA |
1611 						 I40E_AQ_CONFIG_FEC_RS_ENA);
1612 	hw_link_info->ext_info = resp->ext_info;
1613 	hw_link_info->loopback = resp->loopback & I40E_AQ_LOOPBACK_MASK;
1614 	hw_link_info->max_frame_size = le16_to_cpu(resp->max_frame_size);
1615 	hw_link_info->pacing = resp->config & I40E_AQ_CONFIG_PACING_MASK;
1616 
1617 	/* update fc info */
1618 	tx_pause = !!(resp->an_info & I40E_AQ_LINK_PAUSE_TX);
1619 	rx_pause = !!(resp->an_info & I40E_AQ_LINK_PAUSE_RX);
1620 	if (tx_pause & rx_pause)
1621 		hw->fc.current_mode = I40E_FC_FULL;
1622 	else if (tx_pause)
1623 		hw->fc.current_mode = I40E_FC_TX_PAUSE;
1624 	else if (rx_pause)
1625 		hw->fc.current_mode = I40E_FC_RX_PAUSE;
1626 	else
1627 		hw->fc.current_mode = I40E_FC_NONE;
1628 
1629 	if (resp->config & I40E_AQ_CONFIG_CRC_ENA)
1630 		hw_link_info->crc_enable = true;
1631 	else
1632 		hw_link_info->crc_enable = false;
1633 
1634 	if (resp->command_flags & cpu_to_le16(I40E_AQ_LSE_IS_ENABLED))
1635 		hw_link_info->lse_enable = true;
1636 	else
1637 		hw_link_info->lse_enable = false;
1638 
1639 	if ((hw->mac.type == I40E_MAC_XL710) &&
1640 	    (hw->aq.fw_maj_ver < 4 || (hw->aq.fw_maj_ver == 4 &&
1641 	     hw->aq.fw_min_ver < 40)) && hw_link_info->phy_type == 0xE)
1642 		hw_link_info->phy_type = I40E_PHY_TYPE_10GBASE_SFPP_CU;
1643 
1644 	if (hw->flags & I40E_HW_FLAG_AQ_PHY_ACCESS_CAPABLE &&
1645 	    hw->mac.type != I40E_MAC_X722) {
1646 		__le32 tmp;
1647 
1648 		memcpy(&tmp, resp->link_type, sizeof(tmp));
1649 		hw->phy.phy_types = le32_to_cpu(tmp);
1650 		hw->phy.phy_types |= ((u64)resp->link_type_ext << 32);
1651 	}
1652 
1653 	/* save link status information */
1654 	if (link)
1655 		*link = *hw_link_info;
1656 
1657 	/* flag cleared so helper functions don't call AQ again */
1658 	hw->phy.get_link_info = false;
1659 
1660 aq_get_link_info_exit:
1661 	return status;
1662 }
1663 
1664 /**
1665  * i40e_aq_set_phy_int_mask
1666  * @hw: pointer to the hw struct
1667  * @mask: interrupt mask to be set
1668  * @cmd_details: pointer to command details structure or NULL
1669  *
1670  * Set link interrupt mask.
1671  **/
i40e_aq_set_phy_int_mask(struct i40e_hw * hw,u16 mask,struct i40e_asq_cmd_details * cmd_details)1672 int i40e_aq_set_phy_int_mask(struct i40e_hw *hw,
1673 			     u16 mask,
1674 			     struct i40e_asq_cmd_details *cmd_details)
1675 {
1676 	struct i40e_aq_desc desc;
1677 	struct i40e_aqc_set_phy_int_mask *cmd =
1678 		(struct i40e_aqc_set_phy_int_mask *)&desc.params.raw;
1679 	int status;
1680 
1681 	i40e_fill_default_direct_cmd_desc(&desc,
1682 					  i40e_aqc_opc_set_phy_int_mask);
1683 
1684 	cmd->event_mask = cpu_to_le16(mask);
1685 
1686 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1687 
1688 	return status;
1689 }
1690 
1691 /**
1692  * i40e_aq_set_mac_loopback
1693  * @hw: pointer to the HW struct
1694  * @ena_lpbk: Enable or Disable loopback
1695  * @cmd_details: pointer to command details structure or NULL
1696  *
1697  * Enable/disable loopback on a given port
1698  */
i40e_aq_set_mac_loopback(struct i40e_hw * hw,bool ena_lpbk,struct i40e_asq_cmd_details * cmd_details)1699 int i40e_aq_set_mac_loopback(struct i40e_hw *hw, bool ena_lpbk,
1700 			     struct i40e_asq_cmd_details *cmd_details)
1701 {
1702 	struct i40e_aq_desc desc;
1703 	struct i40e_aqc_set_lb_mode *cmd =
1704 		(struct i40e_aqc_set_lb_mode *)&desc.params.raw;
1705 
1706 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_set_lb_modes);
1707 	if (ena_lpbk) {
1708 		if (hw->nvm.version <= I40E_LEGACY_LOOPBACK_NVM_VER)
1709 			cmd->lb_mode = cpu_to_le16(I40E_AQ_LB_MAC_LOCAL_LEGACY);
1710 		else
1711 			cmd->lb_mode = cpu_to_le16(I40E_AQ_LB_MAC_LOCAL);
1712 	}
1713 
1714 	return i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1715 }
1716 
1717 /**
1718  * i40e_aq_set_phy_debug
1719  * @hw: pointer to the hw struct
1720  * @cmd_flags: debug command flags
1721  * @cmd_details: pointer to command details structure or NULL
1722  *
1723  * Reset the external PHY.
1724  **/
i40e_aq_set_phy_debug(struct i40e_hw * hw,u8 cmd_flags,struct i40e_asq_cmd_details * cmd_details)1725 int i40e_aq_set_phy_debug(struct i40e_hw *hw, u8 cmd_flags,
1726 			  struct i40e_asq_cmd_details *cmd_details)
1727 {
1728 	struct i40e_aq_desc desc;
1729 	struct i40e_aqc_set_phy_debug *cmd =
1730 		(struct i40e_aqc_set_phy_debug *)&desc.params.raw;
1731 	int status;
1732 
1733 	i40e_fill_default_direct_cmd_desc(&desc,
1734 					  i40e_aqc_opc_set_phy_debug);
1735 
1736 	cmd->command_flags = cmd_flags;
1737 
1738 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1739 
1740 	return status;
1741 }
1742 
1743 /**
1744  * i40e_is_aq_api_ver_ge
1745  * @aq: pointer to AdminQ info containing HW API version to compare
1746  * @maj: API major value
1747  * @min: API minor value
1748  *
1749  * Assert whether current HW API version is greater/equal than provided.
1750  **/
i40e_is_aq_api_ver_ge(struct i40e_adminq_info * aq,u16 maj,u16 min)1751 static bool i40e_is_aq_api_ver_ge(struct i40e_adminq_info *aq, u16 maj,
1752 				  u16 min)
1753 {
1754 	return (aq->api_maj_ver > maj ||
1755 		(aq->api_maj_ver == maj && aq->api_min_ver >= min));
1756 }
1757 
1758 /**
1759  * i40e_aq_add_vsi
1760  * @hw: pointer to the hw struct
1761  * @vsi_ctx: pointer to a vsi context struct
1762  * @cmd_details: pointer to command details structure or NULL
1763  *
1764  * Add a VSI context to the hardware.
1765 **/
i40e_aq_add_vsi(struct i40e_hw * hw,struct i40e_vsi_context * vsi_ctx,struct i40e_asq_cmd_details * cmd_details)1766 int i40e_aq_add_vsi(struct i40e_hw *hw,
1767 		    struct i40e_vsi_context *vsi_ctx,
1768 		    struct i40e_asq_cmd_details *cmd_details)
1769 {
1770 	struct i40e_aq_desc desc;
1771 	struct i40e_aqc_add_get_update_vsi *cmd =
1772 		(struct i40e_aqc_add_get_update_vsi *)&desc.params.raw;
1773 	struct i40e_aqc_add_get_update_vsi_completion *resp =
1774 		(struct i40e_aqc_add_get_update_vsi_completion *)
1775 		&desc.params.raw;
1776 	int status;
1777 
1778 	i40e_fill_default_direct_cmd_desc(&desc,
1779 					  i40e_aqc_opc_add_vsi);
1780 
1781 	cmd->uplink_seid = cpu_to_le16(vsi_ctx->uplink_seid);
1782 	cmd->connection_type = vsi_ctx->connection_type;
1783 	cmd->vf_id = vsi_ctx->vf_num;
1784 	cmd->vsi_flags = cpu_to_le16(vsi_ctx->flags);
1785 
1786 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
1787 
1788 	status = i40e_asq_send_command_atomic(hw, &desc, &vsi_ctx->info,
1789 					      sizeof(vsi_ctx->info),
1790 					      cmd_details, true);
1791 
1792 	if (status)
1793 		goto aq_add_vsi_exit;
1794 
1795 	vsi_ctx->seid = le16_to_cpu(resp->seid);
1796 	vsi_ctx->vsi_number = le16_to_cpu(resp->vsi_number);
1797 	vsi_ctx->vsis_allocated = le16_to_cpu(resp->vsi_used);
1798 	vsi_ctx->vsis_unallocated = le16_to_cpu(resp->vsi_free);
1799 
1800 aq_add_vsi_exit:
1801 	return status;
1802 }
1803 
1804 /**
1805  * i40e_aq_set_default_vsi
1806  * @hw: pointer to the hw struct
1807  * @seid: vsi number
1808  * @cmd_details: pointer to command details structure or NULL
1809  **/
i40e_aq_set_default_vsi(struct i40e_hw * hw,u16 seid,struct i40e_asq_cmd_details * cmd_details)1810 int i40e_aq_set_default_vsi(struct i40e_hw *hw,
1811 			    u16 seid,
1812 			    struct i40e_asq_cmd_details *cmd_details)
1813 {
1814 	struct i40e_aq_desc desc;
1815 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
1816 		(struct i40e_aqc_set_vsi_promiscuous_modes *)
1817 		&desc.params.raw;
1818 	int status;
1819 
1820 	i40e_fill_default_direct_cmd_desc(&desc,
1821 					  i40e_aqc_opc_set_vsi_promiscuous_modes);
1822 
1823 	cmd->promiscuous_flags = cpu_to_le16(I40E_AQC_SET_VSI_DEFAULT);
1824 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_DEFAULT);
1825 	cmd->seid = cpu_to_le16(seid);
1826 
1827 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1828 
1829 	return status;
1830 }
1831 
1832 /**
1833  * i40e_aq_clear_default_vsi
1834  * @hw: pointer to the hw struct
1835  * @seid: vsi number
1836  * @cmd_details: pointer to command details structure or NULL
1837  **/
i40e_aq_clear_default_vsi(struct i40e_hw * hw,u16 seid,struct i40e_asq_cmd_details * cmd_details)1838 int i40e_aq_clear_default_vsi(struct i40e_hw *hw,
1839 			      u16 seid,
1840 			      struct i40e_asq_cmd_details *cmd_details)
1841 {
1842 	struct i40e_aq_desc desc;
1843 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
1844 		(struct i40e_aqc_set_vsi_promiscuous_modes *)
1845 		&desc.params.raw;
1846 	int status;
1847 
1848 	i40e_fill_default_direct_cmd_desc(&desc,
1849 					  i40e_aqc_opc_set_vsi_promiscuous_modes);
1850 
1851 	cmd->promiscuous_flags = cpu_to_le16(0);
1852 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_DEFAULT);
1853 	cmd->seid = cpu_to_le16(seid);
1854 
1855 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1856 
1857 	return status;
1858 }
1859 
1860 /**
1861  * i40e_aq_set_vsi_unicast_promiscuous
1862  * @hw: pointer to the hw struct
1863  * @seid: vsi number
1864  * @set: set unicast promiscuous enable/disable
1865  * @cmd_details: pointer to command details structure or NULL
1866  * @rx_only_promisc: flag to decide if egress traffic gets mirrored in promisc
1867  **/
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)1868 int i40e_aq_set_vsi_unicast_promiscuous(struct i40e_hw *hw,
1869 					u16 seid, bool set,
1870 					struct i40e_asq_cmd_details *cmd_details,
1871 					bool rx_only_promisc)
1872 {
1873 	struct i40e_aq_desc desc;
1874 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
1875 		(struct i40e_aqc_set_vsi_promiscuous_modes *)&desc.params.raw;
1876 	u16 flags = 0;
1877 	int status;
1878 
1879 	i40e_fill_default_direct_cmd_desc(&desc,
1880 					i40e_aqc_opc_set_vsi_promiscuous_modes);
1881 
1882 	if (set) {
1883 		flags |= I40E_AQC_SET_VSI_PROMISC_UNICAST;
1884 		if (rx_only_promisc && i40e_is_aq_api_ver_ge(&hw->aq, 1, 5))
1885 			flags |= I40E_AQC_SET_VSI_PROMISC_RX_ONLY;
1886 	}
1887 
1888 	cmd->promiscuous_flags = cpu_to_le16(flags);
1889 
1890 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_UNICAST);
1891 	if (i40e_is_aq_api_ver_ge(&hw->aq, 1, 5))
1892 		cmd->valid_flags |=
1893 			cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_RX_ONLY);
1894 
1895 	cmd->seid = cpu_to_le16(seid);
1896 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1897 
1898 	return status;
1899 }
1900 
1901 /**
1902  * i40e_aq_set_vsi_multicast_promiscuous
1903  * @hw: pointer to the hw struct
1904  * @seid: vsi number
1905  * @set: set multicast promiscuous enable/disable
1906  * @cmd_details: pointer to command details structure or NULL
1907  **/
i40e_aq_set_vsi_multicast_promiscuous(struct i40e_hw * hw,u16 seid,bool set,struct i40e_asq_cmd_details * cmd_details)1908 int i40e_aq_set_vsi_multicast_promiscuous(struct i40e_hw *hw,
1909 					  u16 seid, bool set,
1910 					  struct i40e_asq_cmd_details *cmd_details)
1911 {
1912 	struct i40e_aq_desc desc;
1913 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
1914 		(struct i40e_aqc_set_vsi_promiscuous_modes *)&desc.params.raw;
1915 	u16 flags = 0;
1916 	int status;
1917 
1918 	i40e_fill_default_direct_cmd_desc(&desc,
1919 					i40e_aqc_opc_set_vsi_promiscuous_modes);
1920 
1921 	if (set)
1922 		flags |= I40E_AQC_SET_VSI_PROMISC_MULTICAST;
1923 
1924 	cmd->promiscuous_flags = cpu_to_le16(flags);
1925 
1926 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_MULTICAST);
1927 
1928 	cmd->seid = cpu_to_le16(seid);
1929 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1930 
1931 	return status;
1932 }
1933 
1934 /**
1935  * i40e_aq_set_vsi_mc_promisc_on_vlan
1936  * @hw: pointer to the hw struct
1937  * @seid: vsi number
1938  * @enable: set MAC L2 layer unicast promiscuous enable/disable for a given VLAN
1939  * @vid: The VLAN tag filter - capture any multicast packet with this VLAN tag
1940  * @cmd_details: pointer to command details structure or NULL
1941  **/
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)1942 int i40e_aq_set_vsi_mc_promisc_on_vlan(struct i40e_hw *hw,
1943 				       u16 seid, bool enable,
1944 				       u16 vid,
1945 				       struct i40e_asq_cmd_details *cmd_details)
1946 {
1947 	struct i40e_aq_desc desc;
1948 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
1949 		(struct i40e_aqc_set_vsi_promiscuous_modes *)&desc.params.raw;
1950 	u16 flags = 0;
1951 	int status;
1952 
1953 	i40e_fill_default_direct_cmd_desc(&desc,
1954 					  i40e_aqc_opc_set_vsi_promiscuous_modes);
1955 
1956 	if (enable)
1957 		flags |= I40E_AQC_SET_VSI_PROMISC_MULTICAST;
1958 
1959 	cmd->promiscuous_flags = cpu_to_le16(flags);
1960 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_MULTICAST);
1961 	cmd->seid = cpu_to_le16(seid);
1962 	cmd->vlan_tag = cpu_to_le16(vid | I40E_AQC_SET_VSI_VLAN_VALID);
1963 
1964 	status = i40e_asq_send_command_atomic(hw, &desc, NULL, 0,
1965 					      cmd_details, true);
1966 
1967 	return status;
1968 }
1969 
1970 /**
1971  * i40e_aq_set_vsi_uc_promisc_on_vlan
1972  * @hw: pointer to the hw struct
1973  * @seid: vsi number
1974  * @enable: set MAC L2 layer unicast promiscuous enable/disable for a given VLAN
1975  * @vid: The VLAN tag filter - capture any unicast packet with this VLAN tag
1976  * @cmd_details: pointer to command details structure or NULL
1977  **/
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)1978 int i40e_aq_set_vsi_uc_promisc_on_vlan(struct i40e_hw *hw,
1979 				       u16 seid, bool enable,
1980 				       u16 vid,
1981 				       struct i40e_asq_cmd_details *cmd_details)
1982 {
1983 	struct i40e_aq_desc desc;
1984 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
1985 		(struct i40e_aqc_set_vsi_promiscuous_modes *)&desc.params.raw;
1986 	u16 flags = 0;
1987 	int status;
1988 
1989 	i40e_fill_default_direct_cmd_desc(&desc,
1990 					  i40e_aqc_opc_set_vsi_promiscuous_modes);
1991 
1992 	if (enable) {
1993 		flags |= I40E_AQC_SET_VSI_PROMISC_UNICAST;
1994 		if (i40e_is_aq_api_ver_ge(&hw->aq, 1, 5))
1995 			flags |= I40E_AQC_SET_VSI_PROMISC_RX_ONLY;
1996 	}
1997 
1998 	cmd->promiscuous_flags = cpu_to_le16(flags);
1999 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_UNICAST);
2000 	if (i40e_is_aq_api_ver_ge(&hw->aq, 1, 5))
2001 		cmd->valid_flags |=
2002 			cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_RX_ONLY);
2003 	cmd->seid = cpu_to_le16(seid);
2004 	cmd->vlan_tag = cpu_to_le16(vid | I40E_AQC_SET_VSI_VLAN_VALID);
2005 
2006 	status = i40e_asq_send_command_atomic(hw, &desc, NULL, 0,
2007 					      cmd_details, true);
2008 
2009 	return status;
2010 }
2011 
2012 /**
2013  * i40e_aq_set_vsi_bc_promisc_on_vlan
2014  * @hw: pointer to the hw struct
2015  * @seid: vsi number
2016  * @enable: set broadcast promiscuous enable/disable for a given VLAN
2017  * @vid: The VLAN tag filter - capture any broadcast packet with this VLAN tag
2018  * @cmd_details: pointer to command details structure or NULL
2019  **/
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)2020 int i40e_aq_set_vsi_bc_promisc_on_vlan(struct i40e_hw *hw,
2021 				       u16 seid, bool enable, u16 vid,
2022 				       struct i40e_asq_cmd_details *cmd_details)
2023 {
2024 	struct i40e_aq_desc desc;
2025 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
2026 		(struct i40e_aqc_set_vsi_promiscuous_modes *)&desc.params.raw;
2027 	u16 flags = 0;
2028 	int status;
2029 
2030 	i40e_fill_default_direct_cmd_desc(&desc,
2031 					i40e_aqc_opc_set_vsi_promiscuous_modes);
2032 
2033 	if (enable)
2034 		flags |= I40E_AQC_SET_VSI_PROMISC_BROADCAST;
2035 
2036 	cmd->promiscuous_flags = cpu_to_le16(flags);
2037 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_BROADCAST);
2038 	cmd->seid = cpu_to_le16(seid);
2039 	cmd->vlan_tag = cpu_to_le16(vid | I40E_AQC_SET_VSI_VLAN_VALID);
2040 
2041 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2042 
2043 	return status;
2044 }
2045 
2046 /**
2047  * i40e_aq_set_vsi_broadcast
2048  * @hw: pointer to the hw struct
2049  * @seid: vsi number
2050  * @set_filter: true to set filter, false to clear filter
2051  * @cmd_details: pointer to command details structure or NULL
2052  *
2053  * Set or clear the broadcast promiscuous flag (filter) for a given VSI.
2054  **/
i40e_aq_set_vsi_broadcast(struct i40e_hw * hw,u16 seid,bool set_filter,struct i40e_asq_cmd_details * cmd_details)2055 int i40e_aq_set_vsi_broadcast(struct i40e_hw *hw,
2056 			      u16 seid, bool set_filter,
2057 			      struct i40e_asq_cmd_details *cmd_details)
2058 {
2059 	struct i40e_aq_desc desc;
2060 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
2061 		(struct i40e_aqc_set_vsi_promiscuous_modes *)&desc.params.raw;
2062 	int status;
2063 
2064 	i40e_fill_default_direct_cmd_desc(&desc,
2065 					i40e_aqc_opc_set_vsi_promiscuous_modes);
2066 
2067 	if (set_filter)
2068 		cmd->promiscuous_flags
2069 			    |= cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_BROADCAST);
2070 	else
2071 		cmd->promiscuous_flags
2072 			    &= cpu_to_le16(~I40E_AQC_SET_VSI_PROMISC_BROADCAST);
2073 
2074 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_BROADCAST);
2075 	cmd->seid = cpu_to_le16(seid);
2076 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2077 
2078 	return status;
2079 }
2080 
2081 /**
2082  * i40e_aq_set_vsi_vlan_promisc - control the VLAN promiscuous setting
2083  * @hw: pointer to the hw struct
2084  * @seid: vsi number
2085  * @enable: set MAC L2 layer unicast promiscuous enable/disable for a given VLAN
2086  * @cmd_details: pointer to command details structure or NULL
2087  **/
i40e_aq_set_vsi_vlan_promisc(struct i40e_hw * hw,u16 seid,bool enable,struct i40e_asq_cmd_details * cmd_details)2088 int i40e_aq_set_vsi_vlan_promisc(struct i40e_hw *hw,
2089 				 u16 seid, bool enable,
2090 				 struct i40e_asq_cmd_details *cmd_details)
2091 {
2092 	struct i40e_aq_desc desc;
2093 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
2094 		(struct i40e_aqc_set_vsi_promiscuous_modes *)&desc.params.raw;
2095 	u16 flags = 0;
2096 	int status;
2097 
2098 	i40e_fill_default_direct_cmd_desc(&desc,
2099 					i40e_aqc_opc_set_vsi_promiscuous_modes);
2100 	if (enable)
2101 		flags |= I40E_AQC_SET_VSI_PROMISC_VLAN;
2102 
2103 	cmd->promiscuous_flags = cpu_to_le16(flags);
2104 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_VLAN);
2105 	cmd->seid = cpu_to_le16(seid);
2106 
2107 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2108 
2109 	return status;
2110 }
2111 
2112 /**
2113  * i40e_aq_get_vsi_params - get VSI configuration info
2114  * @hw: pointer to the hw struct
2115  * @vsi_ctx: pointer to a vsi context struct
2116  * @cmd_details: pointer to command details structure or NULL
2117  **/
i40e_aq_get_vsi_params(struct i40e_hw * hw,struct i40e_vsi_context * vsi_ctx,struct i40e_asq_cmd_details * cmd_details)2118 int i40e_aq_get_vsi_params(struct i40e_hw *hw,
2119 			   struct i40e_vsi_context *vsi_ctx,
2120 			   struct i40e_asq_cmd_details *cmd_details)
2121 {
2122 	struct i40e_aq_desc desc;
2123 	struct i40e_aqc_add_get_update_vsi *cmd =
2124 		(struct i40e_aqc_add_get_update_vsi *)&desc.params.raw;
2125 	struct i40e_aqc_add_get_update_vsi_completion *resp =
2126 		(struct i40e_aqc_add_get_update_vsi_completion *)
2127 		&desc.params.raw;
2128 	int status;
2129 
2130 	i40e_fill_default_direct_cmd_desc(&desc,
2131 					  i40e_aqc_opc_get_vsi_parameters);
2132 
2133 	cmd->uplink_seid = cpu_to_le16(vsi_ctx->seid);
2134 
2135 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
2136 
2137 	status = i40e_asq_send_command(hw, &desc, &vsi_ctx->info,
2138 				    sizeof(vsi_ctx->info), NULL);
2139 
2140 	if (status)
2141 		goto aq_get_vsi_params_exit;
2142 
2143 	vsi_ctx->seid = le16_to_cpu(resp->seid);
2144 	vsi_ctx->vsi_number = le16_to_cpu(resp->vsi_number);
2145 	vsi_ctx->vsis_allocated = le16_to_cpu(resp->vsi_used);
2146 	vsi_ctx->vsis_unallocated = le16_to_cpu(resp->vsi_free);
2147 
2148 aq_get_vsi_params_exit:
2149 	return status;
2150 }
2151 
2152 /**
2153  * i40e_aq_update_vsi_params
2154  * @hw: pointer to the hw struct
2155  * @vsi_ctx: pointer to a vsi context struct
2156  * @cmd_details: pointer to command details structure or NULL
2157  *
2158  * Update a VSI context.
2159  **/
i40e_aq_update_vsi_params(struct i40e_hw * hw,struct i40e_vsi_context * vsi_ctx,struct i40e_asq_cmd_details * cmd_details)2160 int i40e_aq_update_vsi_params(struct i40e_hw *hw,
2161 			      struct i40e_vsi_context *vsi_ctx,
2162 			      struct i40e_asq_cmd_details *cmd_details)
2163 {
2164 	struct i40e_aq_desc desc;
2165 	struct i40e_aqc_add_get_update_vsi *cmd =
2166 		(struct i40e_aqc_add_get_update_vsi *)&desc.params.raw;
2167 	struct i40e_aqc_add_get_update_vsi_completion *resp =
2168 		(struct i40e_aqc_add_get_update_vsi_completion *)
2169 		&desc.params.raw;
2170 	int status;
2171 
2172 	i40e_fill_default_direct_cmd_desc(&desc,
2173 					  i40e_aqc_opc_update_vsi_parameters);
2174 	cmd->uplink_seid = cpu_to_le16(vsi_ctx->seid);
2175 
2176 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
2177 
2178 	status = i40e_asq_send_command_atomic(hw, &desc, &vsi_ctx->info,
2179 					      sizeof(vsi_ctx->info),
2180 					      cmd_details, true);
2181 
2182 	vsi_ctx->vsis_allocated = le16_to_cpu(resp->vsi_used);
2183 	vsi_ctx->vsis_unallocated = le16_to_cpu(resp->vsi_free);
2184 
2185 	return status;
2186 }
2187 
2188 /**
2189  * i40e_aq_get_switch_config
2190  * @hw: pointer to the hardware structure
2191  * @buf: pointer to the result buffer
2192  * @buf_size: length of input buffer
2193  * @start_seid: seid to start for the report, 0 == beginning
2194  * @cmd_details: pointer to command details structure or NULL
2195  *
2196  * Fill the buf with switch configuration returned from AdminQ command
2197  **/
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)2198 int i40e_aq_get_switch_config(struct i40e_hw *hw,
2199 			      struct i40e_aqc_get_switch_config_resp *buf,
2200 			      u16 buf_size, u16 *start_seid,
2201 			      struct i40e_asq_cmd_details *cmd_details)
2202 {
2203 	struct i40e_aq_desc desc;
2204 	struct i40e_aqc_switch_seid *scfg =
2205 		(struct i40e_aqc_switch_seid *)&desc.params.raw;
2206 	int status;
2207 
2208 	i40e_fill_default_direct_cmd_desc(&desc,
2209 					  i40e_aqc_opc_get_switch_config);
2210 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
2211 	if (buf_size > I40E_AQ_LARGE_BUF)
2212 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
2213 	scfg->seid = cpu_to_le16(*start_seid);
2214 
2215 	status = i40e_asq_send_command(hw, &desc, buf, buf_size, cmd_details);
2216 	*start_seid = le16_to_cpu(scfg->seid);
2217 
2218 	return status;
2219 }
2220 
2221 /**
2222  * i40e_aq_set_switch_config
2223  * @hw: pointer to the hardware structure
2224  * @flags: bit flag values to set
2225  * @mode: cloud filter mode
2226  * @valid_flags: which bit flags to set
2227  * @mode: cloud filter mode
2228  * @cmd_details: pointer to command details structure or NULL
2229  *
2230  * Set switch configuration bits
2231  **/
i40e_aq_set_switch_config(struct i40e_hw * hw,u16 flags,u16 valid_flags,u8 mode,struct i40e_asq_cmd_details * cmd_details)2232 int i40e_aq_set_switch_config(struct i40e_hw *hw,
2233 			      u16 flags,
2234 			      u16 valid_flags, u8 mode,
2235 			      struct i40e_asq_cmd_details *cmd_details)
2236 {
2237 	struct i40e_aq_desc desc;
2238 	struct i40e_aqc_set_switch_config *scfg =
2239 		(struct i40e_aqc_set_switch_config *)&desc.params.raw;
2240 	int status;
2241 
2242 	i40e_fill_default_direct_cmd_desc(&desc,
2243 					  i40e_aqc_opc_set_switch_config);
2244 	scfg->flags = cpu_to_le16(flags);
2245 	scfg->valid_flags = cpu_to_le16(valid_flags);
2246 	scfg->mode = mode;
2247 	if (hw->flags & I40E_HW_FLAG_802_1AD_CAPABLE) {
2248 		scfg->switch_tag = cpu_to_le16(hw->switch_tag);
2249 		scfg->first_tag = cpu_to_le16(hw->first_tag);
2250 		scfg->second_tag = cpu_to_le16(hw->second_tag);
2251 	}
2252 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2253 
2254 	return status;
2255 }
2256 
2257 /**
2258  * i40e_aq_get_firmware_version
2259  * @hw: pointer to the hw struct
2260  * @fw_major_version: firmware major version
2261  * @fw_minor_version: firmware minor version
2262  * @fw_build: firmware build number
2263  * @api_major_version: major queue version
2264  * @api_minor_version: minor queue version
2265  * @cmd_details: pointer to command details structure or NULL
2266  *
2267  * Get the firmware version from the admin queue commands
2268  **/
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)2269 int i40e_aq_get_firmware_version(struct i40e_hw *hw,
2270 				 u16 *fw_major_version, u16 *fw_minor_version,
2271 				 u32 *fw_build,
2272 				 u16 *api_major_version, u16 *api_minor_version,
2273 				 struct i40e_asq_cmd_details *cmd_details)
2274 {
2275 	struct i40e_aq_desc desc;
2276 	struct i40e_aqc_get_version *resp =
2277 		(struct i40e_aqc_get_version *)&desc.params.raw;
2278 	int status;
2279 
2280 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_get_version);
2281 
2282 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2283 
2284 	if (!status) {
2285 		if (fw_major_version)
2286 			*fw_major_version = le16_to_cpu(resp->fw_major);
2287 		if (fw_minor_version)
2288 			*fw_minor_version = le16_to_cpu(resp->fw_minor);
2289 		if (fw_build)
2290 			*fw_build = le32_to_cpu(resp->fw_build);
2291 		if (api_major_version)
2292 			*api_major_version = le16_to_cpu(resp->api_major);
2293 		if (api_minor_version)
2294 			*api_minor_version = le16_to_cpu(resp->api_minor);
2295 	}
2296 
2297 	return status;
2298 }
2299 
2300 /**
2301  * i40e_aq_send_driver_version
2302  * @hw: pointer to the hw struct
2303  * @dv: driver's major, minor version
2304  * @cmd_details: pointer to command details structure or NULL
2305  *
2306  * Send the driver version to the firmware
2307  **/
i40e_aq_send_driver_version(struct i40e_hw * hw,struct i40e_driver_version * dv,struct i40e_asq_cmd_details * cmd_details)2308 int i40e_aq_send_driver_version(struct i40e_hw *hw,
2309 				struct i40e_driver_version *dv,
2310 				struct i40e_asq_cmd_details *cmd_details)
2311 {
2312 	struct i40e_aq_desc desc;
2313 	struct i40e_aqc_driver_version *cmd =
2314 		(struct i40e_aqc_driver_version *)&desc.params.raw;
2315 	int status;
2316 	u16 len;
2317 
2318 	if (dv == NULL)
2319 		return -EINVAL;
2320 
2321 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_driver_version);
2322 
2323 	desc.flags |= cpu_to_le16(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD);
2324 	cmd->driver_major_ver = dv->major_version;
2325 	cmd->driver_minor_ver = dv->minor_version;
2326 	cmd->driver_build_ver = dv->build_version;
2327 	cmd->driver_subbuild_ver = dv->subbuild_version;
2328 
2329 	len = 0;
2330 	while (len < sizeof(dv->driver_string) &&
2331 	       (dv->driver_string[len] < 0x80) &&
2332 	       dv->driver_string[len])
2333 		len++;
2334 	status = i40e_asq_send_command(hw, &desc, dv->driver_string,
2335 				       len, cmd_details);
2336 
2337 	return status;
2338 }
2339 
2340 /**
2341  * i40e_get_link_status - get status of the HW network link
2342  * @hw: pointer to the hw struct
2343  * @link_up: pointer to bool (true/false = linkup/linkdown)
2344  *
2345  * Variable link_up true if link is up, false if link is down.
2346  * The variable link_up is invalid if returned value of status != 0
2347  *
2348  * Side effect: LinkStatusEvent reporting becomes enabled
2349  **/
i40e_get_link_status(struct i40e_hw * hw,bool * link_up)2350 int i40e_get_link_status(struct i40e_hw *hw, bool *link_up)
2351 {
2352 	int status = 0;
2353 
2354 	if (hw->phy.get_link_info) {
2355 		status = i40e_update_link_info(hw);
2356 
2357 		if (status)
2358 			i40e_debug(hw, I40E_DEBUG_LINK, "get link failed: status %d\n",
2359 				   status);
2360 	}
2361 
2362 	*link_up = hw->phy.link_info.link_info & I40E_AQ_LINK_UP;
2363 
2364 	return status;
2365 }
2366 
2367 /**
2368  * i40e_update_link_info - update status of the HW network link
2369  * @hw: pointer to the hw struct
2370  **/
i40e_update_link_info(struct i40e_hw * hw)2371 noinline_for_stack int i40e_update_link_info(struct i40e_hw *hw)
2372 {
2373 	struct i40e_aq_get_phy_abilities_resp abilities;
2374 	int status = 0;
2375 
2376 	status = i40e_aq_get_link_info(hw, true, NULL, NULL);
2377 	if (status)
2378 		return status;
2379 
2380 	/* extra checking needed to ensure link info to user is timely */
2381 	if ((hw->phy.link_info.link_info & I40E_AQ_MEDIA_AVAILABLE) &&
2382 	    ((hw->phy.link_info.link_info & I40E_AQ_LINK_UP) ||
2383 	     !(hw->phy.link_info_old.link_info & I40E_AQ_LINK_UP))) {
2384 		status = i40e_aq_get_phy_capabilities(hw, false, false,
2385 						      &abilities, NULL);
2386 		if (status)
2387 			return status;
2388 
2389 		if (abilities.fec_cfg_curr_mod_ext_info &
2390 		    I40E_AQ_ENABLE_FEC_AUTO)
2391 			hw->phy.link_info.req_fec_info =
2392 				(I40E_AQ_REQUEST_FEC_KR |
2393 				 I40E_AQ_REQUEST_FEC_RS);
2394 		else
2395 			hw->phy.link_info.req_fec_info =
2396 				abilities.fec_cfg_curr_mod_ext_info &
2397 				(I40E_AQ_REQUEST_FEC_KR |
2398 				 I40E_AQ_REQUEST_FEC_RS);
2399 
2400 		memcpy(hw->phy.link_info.module_type, &abilities.module_type,
2401 		       sizeof(hw->phy.link_info.module_type));
2402 	}
2403 
2404 	return status;
2405 }
2406 
2407 /**
2408  * i40e_aq_add_veb - Insert a VEB between the VSI and the MAC
2409  * @hw: pointer to the hw struct
2410  * @uplink_seid: the MAC or other gizmo SEID
2411  * @downlink_seid: the VSI SEID
2412  * @enabled_tc: bitmap of TCs to be enabled
2413  * @default_port: true for default port VSI, false for control port
2414  * @veb_seid: pointer to where to put the resulting VEB SEID
2415  * @enable_stats: true to turn on VEB stats
2416  * @cmd_details: pointer to command details structure or NULL
2417  *
2418  * This asks the FW to add a VEB between the uplink and downlink
2419  * elements.  If the uplink SEID is 0, this will be a floating VEB.
2420  **/
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)2421 int i40e_aq_add_veb(struct i40e_hw *hw, u16 uplink_seid,
2422 		    u16 downlink_seid, u8 enabled_tc,
2423 		    bool default_port, u16 *veb_seid,
2424 		    bool enable_stats,
2425 		    struct i40e_asq_cmd_details *cmd_details)
2426 {
2427 	struct i40e_aq_desc desc;
2428 	struct i40e_aqc_add_veb *cmd =
2429 		(struct i40e_aqc_add_veb *)&desc.params.raw;
2430 	struct i40e_aqc_add_veb_completion *resp =
2431 		(struct i40e_aqc_add_veb_completion *)&desc.params.raw;
2432 	u16 veb_flags = 0;
2433 	int status;
2434 
2435 	/* SEIDs need to either both be set or both be 0 for floating VEB */
2436 	if (!!uplink_seid != !!downlink_seid)
2437 		return -EINVAL;
2438 
2439 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_add_veb);
2440 
2441 	cmd->uplink_seid = cpu_to_le16(uplink_seid);
2442 	cmd->downlink_seid = cpu_to_le16(downlink_seid);
2443 	cmd->enable_tcs = enabled_tc;
2444 	if (!uplink_seid)
2445 		veb_flags |= I40E_AQC_ADD_VEB_FLOATING;
2446 	if (default_port)
2447 		veb_flags |= I40E_AQC_ADD_VEB_PORT_TYPE_DEFAULT;
2448 	else
2449 		veb_flags |= I40E_AQC_ADD_VEB_PORT_TYPE_DATA;
2450 
2451 	/* reverse logic here: set the bitflag to disable the stats */
2452 	if (!enable_stats)
2453 		veb_flags |= I40E_AQC_ADD_VEB_ENABLE_DISABLE_STATS;
2454 
2455 	cmd->veb_flags = cpu_to_le16(veb_flags);
2456 
2457 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2458 
2459 	if (!status && veb_seid)
2460 		*veb_seid = le16_to_cpu(resp->veb_seid);
2461 
2462 	return status;
2463 }
2464 
2465 /**
2466  * i40e_aq_get_veb_parameters - Retrieve VEB parameters
2467  * @hw: pointer to the hw struct
2468  * @veb_seid: the SEID of the VEB to query
2469  * @switch_id: the uplink switch id
2470  * @floating: set to true if the VEB is floating
2471  * @statistic_index: index of the stats counter block for this VEB
2472  * @vebs_used: number of VEB's used by function
2473  * @vebs_free: total VEB's not reserved by any function
2474  * @cmd_details: pointer to command details structure or NULL
2475  *
2476  * This retrieves the parameters for a particular VEB, specified by
2477  * uplink_seid, and returns them to the caller.
2478  **/
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)2479 int i40e_aq_get_veb_parameters(struct i40e_hw *hw,
2480 			       u16 veb_seid, u16 *switch_id,
2481 			       bool *floating, u16 *statistic_index,
2482 			       u16 *vebs_used, u16 *vebs_free,
2483 			       struct i40e_asq_cmd_details *cmd_details)
2484 {
2485 	struct i40e_aq_desc desc;
2486 	struct i40e_aqc_get_veb_parameters_completion *cmd_resp =
2487 		(struct i40e_aqc_get_veb_parameters_completion *)
2488 		&desc.params.raw;
2489 	int status;
2490 
2491 	if (veb_seid == 0)
2492 		return -EINVAL;
2493 
2494 	i40e_fill_default_direct_cmd_desc(&desc,
2495 					  i40e_aqc_opc_get_veb_parameters);
2496 	cmd_resp->seid = cpu_to_le16(veb_seid);
2497 
2498 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2499 	if (status)
2500 		goto get_veb_exit;
2501 
2502 	if (switch_id)
2503 		*switch_id = le16_to_cpu(cmd_resp->switch_id);
2504 	if (statistic_index)
2505 		*statistic_index = le16_to_cpu(cmd_resp->statistic_index);
2506 	if (vebs_used)
2507 		*vebs_used = le16_to_cpu(cmd_resp->vebs_used);
2508 	if (vebs_free)
2509 		*vebs_free = le16_to_cpu(cmd_resp->vebs_free);
2510 	if (floating) {
2511 		u16 flags = le16_to_cpu(cmd_resp->veb_flags);
2512 
2513 		if (flags & I40E_AQC_ADD_VEB_FLOATING)
2514 			*floating = true;
2515 		else
2516 			*floating = false;
2517 	}
2518 
2519 get_veb_exit:
2520 	return status;
2521 }
2522 
2523 /**
2524  * i40e_prepare_add_macvlan
2525  * @mv_list: list of macvlans to be added
2526  * @desc: pointer to AQ descriptor structure
2527  * @count: length of the list
2528  * @seid: VSI for the mac address
2529  *
2530  * Internal helper function that prepares the add macvlan request
2531  * and returns the buffer size.
2532  **/
2533 static u16
i40e_prepare_add_macvlan(struct i40e_aqc_add_macvlan_element_data * mv_list,struct i40e_aq_desc * desc,u16 count,u16 seid)2534 i40e_prepare_add_macvlan(struct i40e_aqc_add_macvlan_element_data *mv_list,
2535 			 struct i40e_aq_desc *desc, u16 count, u16 seid)
2536 {
2537 	struct i40e_aqc_macvlan *cmd =
2538 		(struct i40e_aqc_macvlan *)&desc->params.raw;
2539 	u16 buf_size;
2540 	int i;
2541 
2542 	buf_size = count * sizeof(*mv_list);
2543 
2544 	/* prep the rest of the request */
2545 	i40e_fill_default_direct_cmd_desc(desc, i40e_aqc_opc_add_macvlan);
2546 	cmd->num_addresses = cpu_to_le16(count);
2547 	cmd->seid[0] = cpu_to_le16(I40E_AQC_MACVLAN_CMD_SEID_VALID | seid);
2548 	cmd->seid[1] = 0;
2549 	cmd->seid[2] = 0;
2550 
2551 	for (i = 0; i < count; i++)
2552 		if (is_multicast_ether_addr(mv_list[i].mac_addr))
2553 			mv_list[i].flags |=
2554 			       cpu_to_le16(I40E_AQC_MACVLAN_ADD_USE_SHARED_MAC);
2555 
2556 	desc->flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
2557 	if (buf_size > I40E_AQ_LARGE_BUF)
2558 		desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
2559 
2560 	return buf_size;
2561 }
2562 
2563 /**
2564  * i40e_aq_add_macvlan
2565  * @hw: pointer to the hw struct
2566  * @seid: VSI for the mac address
2567  * @mv_list: list of macvlans to be added
2568  * @count: length of the list
2569  * @cmd_details: pointer to command details structure or NULL
2570  *
2571  * Add MAC/VLAN addresses to the HW filtering
2572  **/
2573 int
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)2574 i40e_aq_add_macvlan(struct i40e_hw *hw, u16 seid,
2575 		    struct i40e_aqc_add_macvlan_element_data *mv_list,
2576 		    u16 count, struct i40e_asq_cmd_details *cmd_details)
2577 {
2578 	struct i40e_aq_desc desc;
2579 	u16 buf_size;
2580 
2581 	if (count == 0 || !mv_list || !hw)
2582 		return -EINVAL;
2583 
2584 	buf_size = i40e_prepare_add_macvlan(mv_list, &desc, count, seid);
2585 
2586 	return i40e_asq_send_command_atomic(hw, &desc, mv_list, buf_size,
2587 					    cmd_details, true);
2588 }
2589 
2590 /**
2591  * i40e_aq_add_macvlan_v2
2592  * @hw: pointer to the hw struct
2593  * @seid: VSI for the mac address
2594  * @mv_list: list of macvlans to be added
2595  * @count: length of the list
2596  * @cmd_details: pointer to command details structure or NULL
2597  * @aq_status: pointer to Admin Queue status return value
2598  *
2599  * Add MAC/VLAN addresses to the HW filtering.
2600  * The _v2 version returns the last Admin Queue status in aq_status
2601  * to avoid race conditions in access to hw->aq.asq_last_status.
2602  * It also calls _v2 versions of asq_send_command functions to
2603  * get the aq_status on the stack.
2604  **/
2605 int
i40e_aq_add_macvlan_v2(struct i40e_hw * hw,u16 seid,struct i40e_aqc_add_macvlan_element_data * mv_list,u16 count,struct i40e_asq_cmd_details * cmd_details,enum i40e_admin_queue_err * aq_status)2606 i40e_aq_add_macvlan_v2(struct i40e_hw *hw, u16 seid,
2607 		       struct i40e_aqc_add_macvlan_element_data *mv_list,
2608 		       u16 count, struct i40e_asq_cmd_details *cmd_details,
2609 		       enum i40e_admin_queue_err *aq_status)
2610 {
2611 	struct i40e_aq_desc desc;
2612 	u16 buf_size;
2613 
2614 	if (count == 0 || !mv_list || !hw)
2615 		return -EINVAL;
2616 
2617 	buf_size = i40e_prepare_add_macvlan(mv_list, &desc, count, seid);
2618 
2619 	return i40e_asq_send_command_atomic_v2(hw, &desc, mv_list, buf_size,
2620 					       cmd_details, true, aq_status);
2621 }
2622 
2623 /**
2624  * i40e_aq_remove_macvlan
2625  * @hw: pointer to the hw struct
2626  * @seid: VSI for the mac address
2627  * @mv_list: list of macvlans to be removed
2628  * @count: length of the list
2629  * @cmd_details: pointer to command details structure or NULL
2630  *
2631  * Remove MAC/VLAN addresses from the HW filtering
2632  **/
2633 int
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)2634 i40e_aq_remove_macvlan(struct i40e_hw *hw, u16 seid,
2635 		       struct i40e_aqc_remove_macvlan_element_data *mv_list,
2636 		       u16 count, struct i40e_asq_cmd_details *cmd_details)
2637 {
2638 	struct i40e_aq_desc desc;
2639 	struct i40e_aqc_macvlan *cmd =
2640 		(struct i40e_aqc_macvlan *)&desc.params.raw;
2641 	u16 buf_size;
2642 	int status;
2643 
2644 	if (count == 0 || !mv_list || !hw)
2645 		return -EINVAL;
2646 
2647 	buf_size = count * sizeof(*mv_list);
2648 
2649 	/* prep the rest of the request */
2650 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_remove_macvlan);
2651 	cmd->num_addresses = cpu_to_le16(count);
2652 	cmd->seid[0] = cpu_to_le16(I40E_AQC_MACVLAN_CMD_SEID_VALID | seid);
2653 	cmd->seid[1] = 0;
2654 	cmd->seid[2] = 0;
2655 
2656 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
2657 	if (buf_size > I40E_AQ_LARGE_BUF)
2658 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
2659 
2660 	status = i40e_asq_send_command_atomic(hw, &desc, mv_list, buf_size,
2661 					      cmd_details, true);
2662 
2663 	return status;
2664 }
2665 
2666 /**
2667  * i40e_aq_remove_macvlan_v2
2668  * @hw: pointer to the hw struct
2669  * @seid: VSI for the mac address
2670  * @mv_list: list of macvlans to be removed
2671  * @count: length of the list
2672  * @cmd_details: pointer to command details structure or NULL
2673  * @aq_status: pointer to Admin Queue status return value
2674  *
2675  * Remove MAC/VLAN addresses from the HW filtering.
2676  * The _v2 version returns the last Admin Queue status in aq_status
2677  * to avoid race conditions in access to hw->aq.asq_last_status.
2678  * It also calls _v2 versions of asq_send_command functions to
2679  * get the aq_status on the stack.
2680  **/
2681 int
i40e_aq_remove_macvlan_v2(struct i40e_hw * hw,u16 seid,struct i40e_aqc_remove_macvlan_element_data * mv_list,u16 count,struct i40e_asq_cmd_details * cmd_details,enum i40e_admin_queue_err * aq_status)2682 i40e_aq_remove_macvlan_v2(struct i40e_hw *hw, u16 seid,
2683 			  struct i40e_aqc_remove_macvlan_element_data *mv_list,
2684 			  u16 count, struct i40e_asq_cmd_details *cmd_details,
2685 			  enum i40e_admin_queue_err *aq_status)
2686 {
2687 	struct i40e_aqc_macvlan *cmd;
2688 	struct i40e_aq_desc desc;
2689 	u16 buf_size;
2690 
2691 	if (count == 0 || !mv_list || !hw)
2692 		return -EINVAL;
2693 
2694 	buf_size = count * sizeof(*mv_list);
2695 
2696 	/* prep the rest of the request */
2697 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_remove_macvlan);
2698 	cmd = (struct i40e_aqc_macvlan *)&desc.params.raw;
2699 	cmd->num_addresses = cpu_to_le16(count);
2700 	cmd->seid[0] = cpu_to_le16(I40E_AQC_MACVLAN_CMD_SEID_VALID | seid);
2701 	cmd->seid[1] = 0;
2702 	cmd->seid[2] = 0;
2703 
2704 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
2705 	if (buf_size > I40E_AQ_LARGE_BUF)
2706 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
2707 
2708 	return i40e_asq_send_command_atomic_v2(hw, &desc, mv_list, buf_size,
2709 						 cmd_details, true, aq_status);
2710 }
2711 
2712 /**
2713  * i40e_mirrorrule_op - Internal helper function to add/delete mirror rule
2714  * @hw: pointer to the hw struct
2715  * @opcode: AQ opcode for add or delete mirror rule
2716  * @sw_seid: Switch SEID (to which rule refers)
2717  * @rule_type: Rule Type (ingress/egress/VLAN)
2718  * @id: Destination VSI SEID or Rule ID
2719  * @count: length of the list
2720  * @mr_list: list of mirrored VSI SEIDs or VLAN IDs
2721  * @cmd_details: pointer to command details structure or NULL
2722  * @rule_id: Rule ID returned from FW
2723  * @rules_used: Number of rules used in internal switch
2724  * @rules_free: Number of rules free in internal switch
2725  *
2726  * Add/Delete a mirror rule to a specific switch. Mirror rules are supported for
2727  * VEBs/VEPA elements only
2728  **/
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)2729 static int i40e_mirrorrule_op(struct i40e_hw *hw,
2730 			      u16 opcode, u16 sw_seid, u16 rule_type, u16 id,
2731 			      u16 count, __le16 *mr_list,
2732 			      struct i40e_asq_cmd_details *cmd_details,
2733 			      u16 *rule_id, u16 *rules_used, u16 *rules_free)
2734 {
2735 	struct i40e_aq_desc desc;
2736 	struct i40e_aqc_add_delete_mirror_rule *cmd =
2737 		(struct i40e_aqc_add_delete_mirror_rule *)&desc.params.raw;
2738 	struct i40e_aqc_add_delete_mirror_rule_completion *resp =
2739 	(struct i40e_aqc_add_delete_mirror_rule_completion *)&desc.params.raw;
2740 	u16 buf_size;
2741 	int status;
2742 
2743 	buf_size = count * sizeof(*mr_list);
2744 
2745 	/* prep the rest of the request */
2746 	i40e_fill_default_direct_cmd_desc(&desc, opcode);
2747 	cmd->seid = cpu_to_le16(sw_seid);
2748 	cmd->rule_type = cpu_to_le16(rule_type &
2749 				     I40E_AQC_MIRROR_RULE_TYPE_MASK);
2750 	cmd->num_entries = cpu_to_le16(count);
2751 	/* Dest VSI for add, rule_id for delete */
2752 	cmd->destination = cpu_to_le16(id);
2753 	if (mr_list) {
2754 		desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF |
2755 						I40E_AQ_FLAG_RD));
2756 		if (buf_size > I40E_AQ_LARGE_BUF)
2757 			desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
2758 	}
2759 
2760 	status = i40e_asq_send_command(hw, &desc, mr_list, buf_size,
2761 				       cmd_details);
2762 	if (!status ||
2763 	    hw->aq.asq_last_status == I40E_AQ_RC_ENOSPC) {
2764 		if (rule_id)
2765 			*rule_id = le16_to_cpu(resp->rule_id);
2766 		if (rules_used)
2767 			*rules_used = le16_to_cpu(resp->mirror_rules_used);
2768 		if (rules_free)
2769 			*rules_free = le16_to_cpu(resp->mirror_rules_free);
2770 	}
2771 	return status;
2772 }
2773 
2774 /**
2775  * i40e_aq_add_mirrorrule - add a mirror rule
2776  * @hw: pointer to the hw struct
2777  * @sw_seid: Switch SEID (to which rule refers)
2778  * @rule_type: Rule Type (ingress/egress/VLAN)
2779  * @dest_vsi: SEID of VSI to which packets will be mirrored
2780  * @count: length of the list
2781  * @mr_list: list of mirrored VSI SEIDs or VLAN IDs
2782  * @cmd_details: pointer to command details structure or NULL
2783  * @rule_id: Rule ID returned from FW
2784  * @rules_used: Number of rules used in internal switch
2785  * @rules_free: Number of rules free in internal switch
2786  *
2787  * Add mirror rule. Mirror rules are supported for VEBs or VEPA elements only
2788  **/
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)2789 int i40e_aq_add_mirrorrule(struct i40e_hw *hw, u16 sw_seid,
2790 			   u16 rule_type, u16 dest_vsi, u16 count,
2791 			   __le16 *mr_list,
2792 			   struct i40e_asq_cmd_details *cmd_details,
2793 			   u16 *rule_id, u16 *rules_used, u16 *rules_free)
2794 {
2795 	if (!(rule_type == I40E_AQC_MIRROR_RULE_TYPE_ALL_INGRESS ||
2796 	    rule_type == I40E_AQC_MIRROR_RULE_TYPE_ALL_EGRESS)) {
2797 		if (count == 0 || !mr_list)
2798 			return -EINVAL;
2799 	}
2800 
2801 	return i40e_mirrorrule_op(hw, i40e_aqc_opc_add_mirror_rule, sw_seid,
2802 				  rule_type, dest_vsi, count, mr_list,
2803 				  cmd_details, rule_id, rules_used, rules_free);
2804 }
2805 
2806 /**
2807  * i40e_aq_delete_mirrorrule - delete a mirror rule
2808  * @hw: pointer to the hw struct
2809  * @sw_seid: Switch SEID (to which rule refers)
2810  * @rule_type: Rule Type (ingress/egress/VLAN)
2811  * @count: length of the list
2812  * @rule_id: Rule ID that is returned in the receive desc as part of
2813  *		add_mirrorrule.
2814  * @mr_list: list of mirrored VLAN IDs to be removed
2815  * @cmd_details: pointer to command details structure or NULL
2816  * @rules_used: Number of rules used in internal switch
2817  * @rules_free: Number of rules free in internal switch
2818  *
2819  * Delete a mirror rule. Mirror rules are supported for VEBs/VEPA elements only
2820  **/
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)2821 int i40e_aq_delete_mirrorrule(struct i40e_hw *hw, u16 sw_seid,
2822 			      u16 rule_type, u16 rule_id, u16 count,
2823 			      __le16 *mr_list,
2824 			      struct i40e_asq_cmd_details *cmd_details,
2825 			      u16 *rules_used, u16 *rules_free)
2826 {
2827 	/* Rule ID has to be valid except rule_type: INGRESS VLAN mirroring */
2828 	if (rule_type == I40E_AQC_MIRROR_RULE_TYPE_VLAN) {
2829 		/* count and mr_list shall be valid for rule_type INGRESS VLAN
2830 		 * mirroring. For other rule_type, count and rule_type should
2831 		 * not matter.
2832 		 */
2833 		if (count == 0 || !mr_list)
2834 			return -EINVAL;
2835 	}
2836 
2837 	return i40e_mirrorrule_op(hw, i40e_aqc_opc_delete_mirror_rule, sw_seid,
2838 				  rule_type, rule_id, count, mr_list,
2839 				  cmd_details, NULL, rules_used, rules_free);
2840 }
2841 
2842 /**
2843  * i40e_aq_send_msg_to_vf
2844  * @hw: pointer to the hardware structure
2845  * @vfid: VF id to send msg
2846  * @v_opcode: opcodes for VF-PF communication
2847  * @v_retval: return error code
2848  * @msg: pointer to the msg buffer
2849  * @msglen: msg length
2850  * @cmd_details: pointer to command details
2851  *
2852  * send msg to vf
2853  **/
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)2854 int i40e_aq_send_msg_to_vf(struct i40e_hw *hw, u16 vfid,
2855 			   u32 v_opcode, u32 v_retval, u8 *msg, u16 msglen,
2856 			   struct i40e_asq_cmd_details *cmd_details)
2857 {
2858 	struct i40e_aq_desc desc;
2859 	struct i40e_aqc_pf_vf_message *cmd =
2860 		(struct i40e_aqc_pf_vf_message *)&desc.params.raw;
2861 	int status;
2862 
2863 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_send_msg_to_vf);
2864 	cmd->id = cpu_to_le32(vfid);
2865 	desc.cookie_high = cpu_to_le32(v_opcode);
2866 	desc.cookie_low = cpu_to_le32(v_retval);
2867 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_SI);
2868 	if (msglen) {
2869 		desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF |
2870 						I40E_AQ_FLAG_RD));
2871 		if (msglen > I40E_AQ_LARGE_BUF)
2872 			desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
2873 		desc.datalen = cpu_to_le16(msglen);
2874 	}
2875 	status = i40e_asq_send_command(hw, &desc, msg, msglen, cmd_details);
2876 
2877 	return status;
2878 }
2879 
2880 /**
2881  * i40e_aq_debug_read_register
2882  * @hw: pointer to the hw struct
2883  * @reg_addr: register address
2884  * @reg_val: register value
2885  * @cmd_details: pointer to command details structure or NULL
2886  *
2887  * Read the register using the admin queue commands
2888  **/
i40e_aq_debug_read_register(struct i40e_hw * hw,u32 reg_addr,u64 * reg_val,struct i40e_asq_cmd_details * cmd_details)2889 int i40e_aq_debug_read_register(struct i40e_hw *hw,
2890 				u32 reg_addr, u64 *reg_val,
2891 				struct i40e_asq_cmd_details *cmd_details)
2892 {
2893 	struct i40e_aq_desc desc;
2894 	struct i40e_aqc_debug_reg_read_write *cmd_resp =
2895 		(struct i40e_aqc_debug_reg_read_write *)&desc.params.raw;
2896 	int status;
2897 
2898 	if (reg_val == NULL)
2899 		return -EINVAL;
2900 
2901 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_debug_read_reg);
2902 
2903 	cmd_resp->address = cpu_to_le32(reg_addr);
2904 
2905 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2906 
2907 	if (!status) {
2908 		*reg_val = ((u64)le32_to_cpu(cmd_resp->value_high) << 32) |
2909 			   (u64)le32_to_cpu(cmd_resp->value_low);
2910 	}
2911 
2912 	return status;
2913 }
2914 
2915 /**
2916  * i40e_aq_debug_write_register
2917  * @hw: pointer to the hw struct
2918  * @reg_addr: register address
2919  * @reg_val: register value
2920  * @cmd_details: pointer to command details structure or NULL
2921  *
2922  * Write to a register using the admin queue commands
2923  **/
i40e_aq_debug_write_register(struct i40e_hw * hw,u32 reg_addr,u64 reg_val,struct i40e_asq_cmd_details * cmd_details)2924 int i40e_aq_debug_write_register(struct i40e_hw *hw,
2925 				 u32 reg_addr, u64 reg_val,
2926 				 struct i40e_asq_cmd_details *cmd_details)
2927 {
2928 	struct i40e_aq_desc desc;
2929 	struct i40e_aqc_debug_reg_read_write *cmd =
2930 		(struct i40e_aqc_debug_reg_read_write *)&desc.params.raw;
2931 	int status;
2932 
2933 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_debug_write_reg);
2934 
2935 	cmd->address = cpu_to_le32(reg_addr);
2936 	cmd->value_high = cpu_to_le32((u32)(reg_val >> 32));
2937 	cmd->value_low = cpu_to_le32((u32)(reg_val & 0xFFFFFFFF));
2938 
2939 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2940 
2941 	return status;
2942 }
2943 
2944 /**
2945  * i40e_aq_request_resource
2946  * @hw: pointer to the hw struct
2947  * @resource: resource id
2948  * @access: access type
2949  * @sdp_number: resource number
2950  * @timeout: the maximum time in ms that the driver may hold the resource
2951  * @cmd_details: pointer to command details structure or NULL
2952  *
2953  * requests common resource using the admin queue commands
2954  **/
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)2955 int i40e_aq_request_resource(struct i40e_hw *hw,
2956 			     enum i40e_aq_resources_ids resource,
2957 			     enum i40e_aq_resource_access_type access,
2958 			     u8 sdp_number, u64 *timeout,
2959 			     struct i40e_asq_cmd_details *cmd_details)
2960 {
2961 	struct i40e_aq_desc desc;
2962 	struct i40e_aqc_request_resource *cmd_resp =
2963 		(struct i40e_aqc_request_resource *)&desc.params.raw;
2964 	int status;
2965 
2966 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_request_resource);
2967 
2968 	cmd_resp->resource_id = cpu_to_le16(resource);
2969 	cmd_resp->access_type = cpu_to_le16(access);
2970 	cmd_resp->resource_number = cpu_to_le32(sdp_number);
2971 
2972 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2973 	/* The completion specifies the maximum time in ms that the driver
2974 	 * may hold the resource in the Timeout field.
2975 	 * If the resource is held by someone else, the command completes with
2976 	 * busy return value and the timeout field indicates the maximum time
2977 	 * the current owner of the resource has to free it.
2978 	 */
2979 	if (!status || hw->aq.asq_last_status == I40E_AQ_RC_EBUSY)
2980 		*timeout = le32_to_cpu(cmd_resp->timeout);
2981 
2982 	return status;
2983 }
2984 
2985 /**
2986  * i40e_aq_release_resource
2987  * @hw: pointer to the hw struct
2988  * @resource: resource id
2989  * @sdp_number: resource number
2990  * @cmd_details: pointer to command details structure or NULL
2991  *
2992  * release common resource using the admin queue commands
2993  **/
i40e_aq_release_resource(struct i40e_hw * hw,enum i40e_aq_resources_ids resource,u8 sdp_number,struct i40e_asq_cmd_details * cmd_details)2994 int i40e_aq_release_resource(struct i40e_hw *hw,
2995 			     enum i40e_aq_resources_ids resource,
2996 			     u8 sdp_number,
2997 			     struct i40e_asq_cmd_details *cmd_details)
2998 {
2999 	struct i40e_aq_desc desc;
3000 	struct i40e_aqc_request_resource *cmd =
3001 		(struct i40e_aqc_request_resource *)&desc.params.raw;
3002 	int status;
3003 
3004 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_release_resource);
3005 
3006 	cmd->resource_id = cpu_to_le16(resource);
3007 	cmd->resource_number = cpu_to_le32(sdp_number);
3008 
3009 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3010 
3011 	return status;
3012 }
3013 
3014 /**
3015  * i40e_aq_read_nvm
3016  * @hw: pointer to the hw struct
3017  * @module_pointer: module pointer location in words from the NVM beginning
3018  * @offset: byte offset from the module beginning
3019  * @length: length of the section to be read (in bytes from the offset)
3020  * @data: command buffer (size [bytes] = length)
3021  * @last_command: tells if this is the last command in a series
3022  * @cmd_details: pointer to command details structure or NULL
3023  *
3024  * Read the NVM using the admin queue commands
3025  **/
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)3026 int i40e_aq_read_nvm(struct i40e_hw *hw, u8 module_pointer,
3027 		     u32 offset, u16 length, void *data,
3028 		     bool last_command,
3029 		     struct i40e_asq_cmd_details *cmd_details)
3030 {
3031 	struct i40e_aq_desc desc;
3032 	struct i40e_aqc_nvm_update *cmd =
3033 		(struct i40e_aqc_nvm_update *)&desc.params.raw;
3034 	int status;
3035 
3036 	/* In offset the highest byte must be zeroed. */
3037 	if (offset & 0xFF000000) {
3038 		status = -EINVAL;
3039 		goto i40e_aq_read_nvm_exit;
3040 	}
3041 
3042 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_nvm_read);
3043 
3044 	/* If this is the last command in a series, set the proper flag. */
3045 	if (last_command)
3046 		cmd->command_flags |= I40E_AQ_NVM_LAST_CMD;
3047 	cmd->module_pointer = module_pointer;
3048 	cmd->offset = cpu_to_le32(offset);
3049 	cmd->length = cpu_to_le16(length);
3050 
3051 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
3052 	if (length > I40E_AQ_LARGE_BUF)
3053 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
3054 
3055 	status = i40e_asq_send_command(hw, &desc, data, length, cmd_details);
3056 
3057 i40e_aq_read_nvm_exit:
3058 	return status;
3059 }
3060 
3061 /**
3062  * i40e_aq_erase_nvm
3063  * @hw: pointer to the hw struct
3064  * @module_pointer: module pointer location in words from the NVM beginning
3065  * @offset: offset in the module (expressed in 4 KB from module's beginning)
3066  * @length: length of the section to be erased (expressed in 4 KB)
3067  * @last_command: tells if this is the last command in a series
3068  * @cmd_details: pointer to command details structure or NULL
3069  *
3070  * Erase the NVM sector using the admin queue commands
3071  **/
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)3072 int i40e_aq_erase_nvm(struct i40e_hw *hw, u8 module_pointer,
3073 		      u32 offset, u16 length, bool last_command,
3074 		      struct i40e_asq_cmd_details *cmd_details)
3075 {
3076 	struct i40e_aq_desc desc;
3077 	struct i40e_aqc_nvm_update *cmd =
3078 		(struct i40e_aqc_nvm_update *)&desc.params.raw;
3079 	int status;
3080 
3081 	/* In offset the highest byte must be zeroed. */
3082 	if (offset & 0xFF000000) {
3083 		status = -EINVAL;
3084 		goto i40e_aq_erase_nvm_exit;
3085 	}
3086 
3087 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_nvm_erase);
3088 
3089 	/* If this is the last command in a series, set the proper flag. */
3090 	if (last_command)
3091 		cmd->command_flags |= I40E_AQ_NVM_LAST_CMD;
3092 	cmd->module_pointer = module_pointer;
3093 	cmd->offset = cpu_to_le32(offset);
3094 	cmd->length = cpu_to_le16(length);
3095 
3096 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3097 
3098 i40e_aq_erase_nvm_exit:
3099 	return status;
3100 }
3101 
3102 /**
3103  * i40e_parse_discover_capabilities
3104  * @hw: pointer to the hw struct
3105  * @buff: pointer to a buffer containing device/function capability records
3106  * @cap_count: number of capability records in the list
3107  * @list_type_opc: type of capabilities list to parse
3108  *
3109  * Parse the device/function capabilities list.
3110  **/
i40e_parse_discover_capabilities(struct i40e_hw * hw,void * buff,u32 cap_count,enum i40e_admin_queue_opc list_type_opc)3111 static void i40e_parse_discover_capabilities(struct i40e_hw *hw, void *buff,
3112 				     u32 cap_count,
3113 				     enum i40e_admin_queue_opc list_type_opc)
3114 {
3115 	struct i40e_aqc_list_capabilities_element_resp *cap;
3116 	u32 valid_functions, num_functions;
3117 	u32 number, logical_id, phys_id;
3118 	struct i40e_hw_capabilities *p;
3119 	u16 id, ocp_cfg_word0;
3120 	u8 major_rev;
3121 	int status;
3122 	u32 i = 0;
3123 
3124 	cap = (struct i40e_aqc_list_capabilities_element_resp *) buff;
3125 
3126 	if (list_type_opc == i40e_aqc_opc_list_dev_capabilities)
3127 		p = &hw->dev_caps;
3128 	else if (list_type_opc == i40e_aqc_opc_list_func_capabilities)
3129 		p = &hw->func_caps;
3130 	else
3131 		return;
3132 
3133 	for (i = 0; i < cap_count; i++, cap++) {
3134 		id = le16_to_cpu(cap->id);
3135 		number = le32_to_cpu(cap->number);
3136 		logical_id = le32_to_cpu(cap->logical_id);
3137 		phys_id = le32_to_cpu(cap->phys_id);
3138 		major_rev = cap->major_rev;
3139 
3140 		switch (id) {
3141 		case I40E_AQ_CAP_ID_SWITCH_MODE:
3142 			p->switch_mode = number;
3143 			break;
3144 		case I40E_AQ_CAP_ID_MNG_MODE:
3145 			p->management_mode = number;
3146 			if (major_rev > 1) {
3147 				p->mng_protocols_over_mctp = logical_id;
3148 				i40e_debug(hw, I40E_DEBUG_INIT,
3149 					   "HW Capability: Protocols over MCTP = %d\n",
3150 					   p->mng_protocols_over_mctp);
3151 			} else {
3152 				p->mng_protocols_over_mctp = 0;
3153 			}
3154 			break;
3155 		case I40E_AQ_CAP_ID_NPAR_ACTIVE:
3156 			p->npar_enable = number;
3157 			break;
3158 		case I40E_AQ_CAP_ID_OS2BMC_CAP:
3159 			p->os2bmc = number;
3160 			break;
3161 		case I40E_AQ_CAP_ID_FUNCTIONS_VALID:
3162 			p->valid_functions = number;
3163 			break;
3164 		case I40E_AQ_CAP_ID_SRIOV:
3165 			if (number == 1)
3166 				p->sr_iov_1_1 = true;
3167 			break;
3168 		case I40E_AQ_CAP_ID_VF:
3169 			p->num_vfs = number;
3170 			p->vf_base_id = logical_id;
3171 			break;
3172 		case I40E_AQ_CAP_ID_VMDQ:
3173 			if (number == 1)
3174 				p->vmdq = true;
3175 			break;
3176 		case I40E_AQ_CAP_ID_8021QBG:
3177 			if (number == 1)
3178 				p->evb_802_1_qbg = true;
3179 			break;
3180 		case I40E_AQ_CAP_ID_8021QBR:
3181 			if (number == 1)
3182 				p->evb_802_1_qbh = true;
3183 			break;
3184 		case I40E_AQ_CAP_ID_VSI:
3185 			p->num_vsis = number;
3186 			break;
3187 		case I40E_AQ_CAP_ID_DCB:
3188 			if (number == 1) {
3189 				p->dcb = true;
3190 				p->enabled_tcmap = logical_id;
3191 				p->maxtc = phys_id;
3192 			}
3193 			break;
3194 		case I40E_AQ_CAP_ID_FCOE:
3195 			if (number == 1)
3196 				p->fcoe = true;
3197 			break;
3198 		case I40E_AQ_CAP_ID_ISCSI:
3199 			if (number == 1)
3200 				p->iscsi = true;
3201 			break;
3202 		case I40E_AQ_CAP_ID_RSS:
3203 			p->rss = true;
3204 			p->rss_table_size = number;
3205 			p->rss_table_entry_width = logical_id;
3206 			break;
3207 		case I40E_AQ_CAP_ID_RXQ:
3208 			p->num_rx_qp = number;
3209 			p->base_queue = phys_id;
3210 			break;
3211 		case I40E_AQ_CAP_ID_TXQ:
3212 			p->num_tx_qp = number;
3213 			p->base_queue = phys_id;
3214 			break;
3215 		case I40E_AQ_CAP_ID_MSIX:
3216 			p->num_msix_vectors = number;
3217 			i40e_debug(hw, I40E_DEBUG_INIT,
3218 				   "HW Capability: MSIX vector count = %d\n",
3219 				   p->num_msix_vectors);
3220 			break;
3221 		case I40E_AQ_CAP_ID_VF_MSIX:
3222 			p->num_msix_vectors_vf = number;
3223 			break;
3224 		case I40E_AQ_CAP_ID_FLEX10:
3225 			if (major_rev == 1) {
3226 				if (number == 1) {
3227 					p->flex10_enable = true;
3228 					p->flex10_capable = true;
3229 				}
3230 			} else {
3231 				/* Capability revision >= 2 */
3232 				if (number & 1)
3233 					p->flex10_enable = true;
3234 				if (number & 2)
3235 					p->flex10_capable = true;
3236 			}
3237 			p->flex10_mode = logical_id;
3238 			p->flex10_status = phys_id;
3239 			break;
3240 		case I40E_AQ_CAP_ID_CEM:
3241 			if (number == 1)
3242 				p->mgmt_cem = true;
3243 			break;
3244 		case I40E_AQ_CAP_ID_IWARP:
3245 			if (number == 1)
3246 				p->iwarp = true;
3247 			break;
3248 		case I40E_AQ_CAP_ID_LED:
3249 			if (phys_id < I40E_HW_CAP_MAX_GPIO)
3250 				p->led[phys_id] = true;
3251 			break;
3252 		case I40E_AQ_CAP_ID_SDP:
3253 			if (phys_id < I40E_HW_CAP_MAX_GPIO)
3254 				p->sdp[phys_id] = true;
3255 			break;
3256 		case I40E_AQ_CAP_ID_MDIO:
3257 			if (number == 1) {
3258 				p->mdio_port_num = phys_id;
3259 				p->mdio_port_mode = logical_id;
3260 			}
3261 			break;
3262 		case I40E_AQ_CAP_ID_1588:
3263 			if (number == 1)
3264 				p->ieee_1588 = true;
3265 			break;
3266 		case I40E_AQ_CAP_ID_FLOW_DIRECTOR:
3267 			p->fd = true;
3268 			p->fd_filters_guaranteed = number;
3269 			p->fd_filters_best_effort = logical_id;
3270 			break;
3271 		case I40E_AQ_CAP_ID_WSR_PROT:
3272 			p->wr_csr_prot = (u64)number;
3273 			p->wr_csr_prot |= (u64)logical_id << 32;
3274 			break;
3275 		case I40E_AQ_CAP_ID_NVM_MGMT:
3276 			if (number & I40E_NVM_MGMT_SEC_REV_DISABLED)
3277 				p->sec_rev_disabled = true;
3278 			if (number & I40E_NVM_MGMT_UPDATE_DISABLED)
3279 				p->update_disabled = true;
3280 			break;
3281 		default:
3282 			break;
3283 		}
3284 	}
3285 
3286 	if (p->fcoe)
3287 		i40e_debug(hw, I40E_DEBUG_ALL, "device is FCoE capable\n");
3288 
3289 	/* Software override ensuring FCoE is disabled if npar or mfp
3290 	 * mode because it is not supported in these modes.
3291 	 */
3292 	if (p->npar_enable || p->flex10_enable)
3293 		p->fcoe = false;
3294 
3295 	/* count the enabled ports (aka the "not disabled" ports) */
3296 	hw->num_ports = 0;
3297 	for (i = 0; i < 4; i++) {
3298 		u32 port_cfg_reg = I40E_PRTGEN_CNF + (4 * i);
3299 		u64 port_cfg = 0;
3300 
3301 		/* use AQ read to get the physical register offset instead
3302 		 * of the port relative offset
3303 		 */
3304 		i40e_aq_debug_read_register(hw, port_cfg_reg, &port_cfg, NULL);
3305 		if (!(port_cfg & I40E_PRTGEN_CNF_PORT_DIS_MASK))
3306 			hw->num_ports++;
3307 	}
3308 
3309 	/* OCP cards case: if a mezz is removed the Ethernet port is at
3310 	 * disabled state in PRTGEN_CNF register. Additional NVM read is
3311 	 * needed in order to check if we are dealing with OCP card.
3312 	 * Those cards have 4 PFs at minimum, so using PRTGEN_CNF for counting
3313 	 * physical ports results in wrong partition id calculation and thus
3314 	 * not supporting WoL.
3315 	 */
3316 	if (hw->mac.type == I40E_MAC_X722) {
3317 		if (!i40e_acquire_nvm(hw, I40E_RESOURCE_READ)) {
3318 			status = i40e_aq_read_nvm(hw, I40E_SR_EMP_MODULE_PTR,
3319 						  2 * I40E_SR_OCP_CFG_WORD0,
3320 						  sizeof(ocp_cfg_word0),
3321 						  &ocp_cfg_word0, true, NULL);
3322 			if (!status &&
3323 			    (ocp_cfg_word0 & I40E_SR_OCP_ENABLED))
3324 				hw->num_ports = 4;
3325 			i40e_release_nvm(hw);
3326 		}
3327 	}
3328 
3329 	valid_functions = p->valid_functions;
3330 	num_functions = 0;
3331 	while (valid_functions) {
3332 		if (valid_functions & 1)
3333 			num_functions++;
3334 		valid_functions >>= 1;
3335 	}
3336 
3337 	/* partition id is 1-based, and functions are evenly spread
3338 	 * across the ports as partitions
3339 	 */
3340 	if (hw->num_ports != 0) {
3341 		hw->partition_id = (hw->pf_id / hw->num_ports) + 1;
3342 		hw->num_partitions = num_functions / hw->num_ports;
3343 	}
3344 
3345 	/* additional HW specific goodies that might
3346 	 * someday be HW version specific
3347 	 */
3348 	p->rx_buf_chain_len = I40E_MAX_CHAINED_RX_BUFFERS;
3349 }
3350 
3351 /**
3352  * i40e_aq_discover_capabilities
3353  * @hw: pointer to the hw struct
3354  * @buff: a virtual buffer to hold the capabilities
3355  * @buff_size: Size of the virtual buffer
3356  * @data_size: Size of the returned data, or buff size needed if AQ err==ENOMEM
3357  * @list_type_opc: capabilities type to discover - pass in the command opcode
3358  * @cmd_details: pointer to command details structure or NULL
3359  *
3360  * Get the device capabilities descriptions from the firmware
3361  **/
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)3362 int i40e_aq_discover_capabilities(struct i40e_hw *hw,
3363 				  void *buff, u16 buff_size, u16 *data_size,
3364 				  enum i40e_admin_queue_opc list_type_opc,
3365 				  struct i40e_asq_cmd_details *cmd_details)
3366 {
3367 	struct i40e_aqc_list_capabilites *cmd;
3368 	struct i40e_aq_desc desc;
3369 	int status = 0;
3370 
3371 	cmd = (struct i40e_aqc_list_capabilites *)&desc.params.raw;
3372 
3373 	if (list_type_opc != i40e_aqc_opc_list_func_capabilities &&
3374 		list_type_opc != i40e_aqc_opc_list_dev_capabilities) {
3375 		status = -EINVAL;
3376 		goto exit;
3377 	}
3378 
3379 	i40e_fill_default_direct_cmd_desc(&desc, list_type_opc);
3380 
3381 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
3382 	if (buff_size > I40E_AQ_LARGE_BUF)
3383 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
3384 
3385 	status = i40e_asq_send_command(hw, &desc, buff, buff_size, cmd_details);
3386 	*data_size = le16_to_cpu(desc.datalen);
3387 
3388 	if (status)
3389 		goto exit;
3390 
3391 	i40e_parse_discover_capabilities(hw, buff, le32_to_cpu(cmd->count),
3392 					 list_type_opc);
3393 
3394 exit:
3395 	return status;
3396 }
3397 
3398 /**
3399  * i40e_aq_update_nvm
3400  * @hw: pointer to the hw struct
3401  * @module_pointer: module pointer location in words from the NVM beginning
3402  * @offset: byte offset from the module beginning
3403  * @length: length of the section to be written (in bytes from the offset)
3404  * @data: command buffer (size [bytes] = length)
3405  * @last_command: tells if this is the last command in a series
3406  * @preservation_flags: Preservation mode flags
3407  * @cmd_details: pointer to command details structure or NULL
3408  *
3409  * Update the NVM using the admin queue commands
3410  **/
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)3411 int i40e_aq_update_nvm(struct i40e_hw *hw, u8 module_pointer,
3412 		       u32 offset, u16 length, void *data,
3413 		       bool last_command, u8 preservation_flags,
3414 		       struct i40e_asq_cmd_details *cmd_details)
3415 {
3416 	struct i40e_aq_desc desc;
3417 	struct i40e_aqc_nvm_update *cmd =
3418 		(struct i40e_aqc_nvm_update *)&desc.params.raw;
3419 	int status;
3420 
3421 	/* In offset the highest byte must be zeroed. */
3422 	if (offset & 0xFF000000) {
3423 		status = -EINVAL;
3424 		goto i40e_aq_update_nvm_exit;
3425 	}
3426 
3427 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_nvm_update);
3428 
3429 	/* If this is the last command in a series, set the proper flag. */
3430 	if (last_command)
3431 		cmd->command_flags |= I40E_AQ_NVM_LAST_CMD;
3432 	if (hw->mac.type == I40E_MAC_X722) {
3433 		if (preservation_flags == I40E_NVM_PRESERVATION_FLAGS_SELECTED)
3434 			cmd->command_flags |=
3435 				(I40E_AQ_NVM_PRESERVATION_FLAGS_SELECTED <<
3436 				 I40E_AQ_NVM_PRESERVATION_FLAGS_SHIFT);
3437 		else if (preservation_flags == I40E_NVM_PRESERVATION_FLAGS_ALL)
3438 			cmd->command_flags |=
3439 				(I40E_AQ_NVM_PRESERVATION_FLAGS_ALL <<
3440 				 I40E_AQ_NVM_PRESERVATION_FLAGS_SHIFT);
3441 	}
3442 	cmd->module_pointer = module_pointer;
3443 	cmd->offset = cpu_to_le32(offset);
3444 	cmd->length = cpu_to_le16(length);
3445 
3446 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
3447 	if (length > I40E_AQ_LARGE_BUF)
3448 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
3449 
3450 	status = i40e_asq_send_command(hw, &desc, data, length, cmd_details);
3451 
3452 i40e_aq_update_nvm_exit:
3453 	return status;
3454 }
3455 
3456 /**
3457  * i40e_aq_rearrange_nvm
3458  * @hw: pointer to the hw struct
3459  * @rearrange_nvm: defines direction of rearrangement
3460  * @cmd_details: pointer to command details structure or NULL
3461  *
3462  * Rearrange NVM structure, available only for transition FW
3463  **/
i40e_aq_rearrange_nvm(struct i40e_hw * hw,u8 rearrange_nvm,struct i40e_asq_cmd_details * cmd_details)3464 int i40e_aq_rearrange_nvm(struct i40e_hw *hw,
3465 			  u8 rearrange_nvm,
3466 			  struct i40e_asq_cmd_details *cmd_details)
3467 {
3468 	struct i40e_aqc_nvm_update *cmd;
3469 	struct i40e_aq_desc desc;
3470 	int status;
3471 
3472 	cmd = (struct i40e_aqc_nvm_update *)&desc.params.raw;
3473 
3474 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_nvm_update);
3475 
3476 	rearrange_nvm &= (I40E_AQ_NVM_REARRANGE_TO_FLAT |
3477 			 I40E_AQ_NVM_REARRANGE_TO_STRUCT);
3478 
3479 	if (!rearrange_nvm) {
3480 		status = -EINVAL;
3481 		goto i40e_aq_rearrange_nvm_exit;
3482 	}
3483 
3484 	cmd->command_flags |= rearrange_nvm;
3485 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3486 
3487 i40e_aq_rearrange_nvm_exit:
3488 	return status;
3489 }
3490 
3491 /**
3492  * i40e_aq_get_lldp_mib
3493  * @hw: pointer to the hw struct
3494  * @bridge_type: type of bridge requested
3495  * @mib_type: Local, Remote or both Local and Remote MIBs
3496  * @buff: pointer to a user supplied buffer to store the MIB block
3497  * @buff_size: size of the buffer (in bytes)
3498  * @local_len : length of the returned Local LLDP MIB
3499  * @remote_len: length of the returned Remote LLDP MIB
3500  * @cmd_details: pointer to command details structure or NULL
3501  *
3502  * Requests the complete LLDP MIB (entire packet).
3503  **/
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)3504 int i40e_aq_get_lldp_mib(struct i40e_hw *hw, u8 bridge_type,
3505 			 u8 mib_type, void *buff, u16 buff_size,
3506 			 u16 *local_len, u16 *remote_len,
3507 			 struct i40e_asq_cmd_details *cmd_details)
3508 {
3509 	struct i40e_aq_desc desc;
3510 	struct i40e_aqc_lldp_get_mib *cmd =
3511 		(struct i40e_aqc_lldp_get_mib *)&desc.params.raw;
3512 	struct i40e_aqc_lldp_get_mib *resp =
3513 		(struct i40e_aqc_lldp_get_mib *)&desc.params.raw;
3514 	int status;
3515 
3516 	if (buff_size == 0 || !buff)
3517 		return -EINVAL;
3518 
3519 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_lldp_get_mib);
3520 	/* Indirect Command */
3521 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
3522 
3523 	cmd->type = mib_type & I40E_AQ_LLDP_MIB_TYPE_MASK;
3524 	cmd->type |= ((bridge_type << I40E_AQ_LLDP_BRIDGE_TYPE_SHIFT) &
3525 		       I40E_AQ_LLDP_BRIDGE_TYPE_MASK);
3526 
3527 	desc.datalen = cpu_to_le16(buff_size);
3528 
3529 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
3530 	if (buff_size > I40E_AQ_LARGE_BUF)
3531 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
3532 
3533 	status = i40e_asq_send_command(hw, &desc, buff, buff_size, cmd_details);
3534 	if (!status) {
3535 		if (local_len != NULL)
3536 			*local_len = le16_to_cpu(resp->local_len);
3537 		if (remote_len != NULL)
3538 			*remote_len = le16_to_cpu(resp->remote_len);
3539 	}
3540 
3541 	return status;
3542 }
3543 
3544 /**
3545  * i40e_aq_set_lldp_mib - Set the LLDP MIB
3546  * @hw: pointer to the hw struct
3547  * @mib_type: Local, Remote or both Local and Remote MIBs
3548  * @buff: pointer to a user supplied buffer to store the MIB block
3549  * @buff_size: size of the buffer (in bytes)
3550  * @cmd_details: pointer to command details structure or NULL
3551  *
3552  * Set the LLDP MIB.
3553  **/
3554 int
i40e_aq_set_lldp_mib(struct i40e_hw * hw,u8 mib_type,void * buff,u16 buff_size,struct i40e_asq_cmd_details * cmd_details)3555 i40e_aq_set_lldp_mib(struct i40e_hw *hw,
3556 		     u8 mib_type, void *buff, u16 buff_size,
3557 		     struct i40e_asq_cmd_details *cmd_details)
3558 {
3559 	struct i40e_aqc_lldp_set_local_mib *cmd;
3560 	struct i40e_aq_desc desc;
3561 	int status;
3562 
3563 	cmd = (struct i40e_aqc_lldp_set_local_mib *)&desc.params.raw;
3564 	if (buff_size == 0 || !buff)
3565 		return -EINVAL;
3566 
3567 	i40e_fill_default_direct_cmd_desc(&desc,
3568 					  i40e_aqc_opc_lldp_set_local_mib);
3569 	/* Indirect Command */
3570 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
3571 	if (buff_size > I40E_AQ_LARGE_BUF)
3572 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
3573 	desc.datalen = cpu_to_le16(buff_size);
3574 
3575 	cmd->type = mib_type;
3576 	cmd->length = cpu_to_le16(buff_size);
3577 	cmd->address_high = cpu_to_le32(upper_32_bits((uintptr_t)buff));
3578 	cmd->address_low = cpu_to_le32(lower_32_bits((uintptr_t)buff));
3579 
3580 	status = i40e_asq_send_command(hw, &desc, buff, buff_size, cmd_details);
3581 	return status;
3582 }
3583 
3584 /**
3585  * i40e_aq_cfg_lldp_mib_change_event
3586  * @hw: pointer to the hw struct
3587  * @enable_update: Enable or Disable event posting
3588  * @cmd_details: pointer to command details structure or NULL
3589  *
3590  * Enable or Disable posting of an event on ARQ when LLDP MIB
3591  * associated with the interface changes
3592  **/
i40e_aq_cfg_lldp_mib_change_event(struct i40e_hw * hw,bool enable_update,struct i40e_asq_cmd_details * cmd_details)3593 int i40e_aq_cfg_lldp_mib_change_event(struct i40e_hw *hw,
3594 				      bool enable_update,
3595 				      struct i40e_asq_cmd_details *cmd_details)
3596 {
3597 	struct i40e_aq_desc desc;
3598 	struct i40e_aqc_lldp_update_mib *cmd =
3599 		(struct i40e_aqc_lldp_update_mib *)&desc.params.raw;
3600 	int status;
3601 
3602 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_lldp_update_mib);
3603 
3604 	if (!enable_update)
3605 		cmd->command |= I40E_AQ_LLDP_MIB_UPDATE_DISABLE;
3606 
3607 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3608 
3609 	return status;
3610 }
3611 
3612 /**
3613  * i40e_aq_restore_lldp
3614  * @hw: pointer to the hw struct
3615  * @setting: pointer to factory setting variable or NULL
3616  * @restore: True if factory settings should be restored
3617  * @cmd_details: pointer to command details structure or NULL
3618  *
3619  * Restore LLDP Agent factory settings if @restore set to True. In other case
3620  * only returns factory setting in AQ response.
3621  **/
3622 int
i40e_aq_restore_lldp(struct i40e_hw * hw,u8 * setting,bool restore,struct i40e_asq_cmd_details * cmd_details)3623 i40e_aq_restore_lldp(struct i40e_hw *hw, u8 *setting, bool restore,
3624 		     struct i40e_asq_cmd_details *cmd_details)
3625 {
3626 	struct i40e_aq_desc desc;
3627 	struct i40e_aqc_lldp_restore *cmd =
3628 		(struct i40e_aqc_lldp_restore *)&desc.params.raw;
3629 	int status;
3630 
3631 	if (!(hw->flags & I40E_HW_FLAG_FW_LLDP_PERSISTENT)) {
3632 		i40e_debug(hw, I40E_DEBUG_ALL,
3633 			   "Restore LLDP not supported by current FW version.\n");
3634 		return -ENODEV;
3635 	}
3636 
3637 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_lldp_restore);
3638 
3639 	if (restore)
3640 		cmd->command |= I40E_AQ_LLDP_AGENT_RESTORE;
3641 
3642 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3643 
3644 	if (setting)
3645 		*setting = cmd->command & 1;
3646 
3647 	return status;
3648 }
3649 
3650 /**
3651  * i40e_aq_stop_lldp
3652  * @hw: pointer to the hw struct
3653  * @shutdown_agent: True if LLDP Agent needs to be Shutdown
3654  * @persist: True if stop of LLDP should be persistent across power cycles
3655  * @cmd_details: pointer to command details structure or NULL
3656  *
3657  * Stop or Shutdown the embedded LLDP Agent
3658  **/
i40e_aq_stop_lldp(struct i40e_hw * hw,bool shutdown_agent,bool persist,struct i40e_asq_cmd_details * cmd_details)3659 int i40e_aq_stop_lldp(struct i40e_hw *hw, bool shutdown_agent,
3660 		      bool persist,
3661 		      struct i40e_asq_cmd_details *cmd_details)
3662 {
3663 	struct i40e_aq_desc desc;
3664 	struct i40e_aqc_lldp_stop *cmd =
3665 		(struct i40e_aqc_lldp_stop *)&desc.params.raw;
3666 	int status;
3667 
3668 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_lldp_stop);
3669 
3670 	if (shutdown_agent)
3671 		cmd->command |= I40E_AQ_LLDP_AGENT_SHUTDOWN;
3672 
3673 	if (persist) {
3674 		if (hw->flags & I40E_HW_FLAG_FW_LLDP_PERSISTENT)
3675 			cmd->command |= I40E_AQ_LLDP_AGENT_STOP_PERSIST;
3676 		else
3677 			i40e_debug(hw, I40E_DEBUG_ALL,
3678 				   "Persistent Stop LLDP not supported by current FW version.\n");
3679 	}
3680 
3681 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3682 
3683 	return status;
3684 }
3685 
3686 /**
3687  * i40e_aq_start_lldp
3688  * @hw: pointer to the hw struct
3689  * @persist: True if start of LLDP should be persistent across power cycles
3690  * @cmd_details: pointer to command details structure or NULL
3691  *
3692  * Start the embedded LLDP Agent on all ports.
3693  **/
i40e_aq_start_lldp(struct i40e_hw * hw,bool persist,struct i40e_asq_cmd_details * cmd_details)3694 int i40e_aq_start_lldp(struct i40e_hw *hw, bool persist,
3695 		       struct i40e_asq_cmd_details *cmd_details)
3696 {
3697 	struct i40e_aq_desc desc;
3698 	struct i40e_aqc_lldp_start *cmd =
3699 		(struct i40e_aqc_lldp_start *)&desc.params.raw;
3700 	int status;
3701 
3702 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_lldp_start);
3703 
3704 	cmd->command = I40E_AQ_LLDP_AGENT_START;
3705 
3706 	if (persist) {
3707 		if (hw->flags & I40E_HW_FLAG_FW_LLDP_PERSISTENT)
3708 			cmd->command |= I40E_AQ_LLDP_AGENT_START_PERSIST;
3709 		else
3710 			i40e_debug(hw, I40E_DEBUG_ALL,
3711 				   "Persistent Start LLDP not supported by current FW version.\n");
3712 	}
3713 
3714 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3715 
3716 	return status;
3717 }
3718 
3719 /**
3720  * i40e_aq_set_dcb_parameters
3721  * @hw: pointer to the hw struct
3722  * @cmd_details: pointer to command details structure or NULL
3723  * @dcb_enable: True if DCB configuration needs to be applied
3724  *
3725  **/
3726 int
i40e_aq_set_dcb_parameters(struct i40e_hw * hw,bool dcb_enable,struct i40e_asq_cmd_details * cmd_details)3727 i40e_aq_set_dcb_parameters(struct i40e_hw *hw, bool dcb_enable,
3728 			   struct i40e_asq_cmd_details *cmd_details)
3729 {
3730 	struct i40e_aq_desc desc;
3731 	struct i40e_aqc_set_dcb_parameters *cmd =
3732 		(struct i40e_aqc_set_dcb_parameters *)&desc.params.raw;
3733 	int status;
3734 
3735 	if (!(hw->flags & I40E_HW_FLAG_FW_LLDP_STOPPABLE))
3736 		return -ENODEV;
3737 
3738 	i40e_fill_default_direct_cmd_desc(&desc,
3739 					  i40e_aqc_opc_set_dcb_parameters);
3740 
3741 	if (dcb_enable) {
3742 		cmd->valid_flags = I40E_DCB_VALID;
3743 		cmd->command = I40E_AQ_DCB_SET_AGENT;
3744 	}
3745 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3746 
3747 	return status;
3748 }
3749 
3750 /**
3751  * i40e_aq_get_cee_dcb_config
3752  * @hw: pointer to the hw struct
3753  * @buff: response buffer that stores CEE operational configuration
3754  * @buff_size: size of the buffer passed
3755  * @cmd_details: pointer to command details structure or NULL
3756  *
3757  * Get CEE DCBX mode operational configuration from firmware
3758  **/
i40e_aq_get_cee_dcb_config(struct i40e_hw * hw,void * buff,u16 buff_size,struct i40e_asq_cmd_details * cmd_details)3759 int i40e_aq_get_cee_dcb_config(struct i40e_hw *hw,
3760 			       void *buff, u16 buff_size,
3761 			       struct i40e_asq_cmd_details *cmd_details)
3762 {
3763 	struct i40e_aq_desc desc;
3764 	int status;
3765 
3766 	if (buff_size == 0 || !buff)
3767 		return -EINVAL;
3768 
3769 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_get_cee_dcb_cfg);
3770 
3771 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
3772 	status = i40e_asq_send_command(hw, &desc, (void *)buff, buff_size,
3773 				       cmd_details);
3774 
3775 	return status;
3776 }
3777 
3778 /**
3779  * i40e_aq_add_udp_tunnel
3780  * @hw: pointer to the hw struct
3781  * @udp_port: the UDP port to add in Host byte order
3782  * @protocol_index: protocol index type
3783  * @filter_index: pointer to filter index
3784  * @cmd_details: pointer to command details structure or NULL
3785  *
3786  * Note: Firmware expects the udp_port value to be in Little Endian format,
3787  * and this function will call cpu_to_le16 to convert from Host byte order to
3788  * Little Endian order.
3789  **/
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)3790 int i40e_aq_add_udp_tunnel(struct i40e_hw *hw,
3791 			   u16 udp_port, u8 protocol_index,
3792 			   u8 *filter_index,
3793 			   struct i40e_asq_cmd_details *cmd_details)
3794 {
3795 	struct i40e_aq_desc desc;
3796 	struct i40e_aqc_add_udp_tunnel *cmd =
3797 		(struct i40e_aqc_add_udp_tunnel *)&desc.params.raw;
3798 	struct i40e_aqc_del_udp_tunnel_completion *resp =
3799 		(struct i40e_aqc_del_udp_tunnel_completion *)&desc.params.raw;
3800 	int status;
3801 
3802 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_add_udp_tunnel);
3803 
3804 	cmd->udp_port = cpu_to_le16(udp_port);
3805 	cmd->protocol_type = protocol_index;
3806 
3807 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3808 
3809 	if (!status && filter_index)
3810 		*filter_index = resp->index;
3811 
3812 	return status;
3813 }
3814 
3815 /**
3816  * i40e_aq_del_udp_tunnel
3817  * @hw: pointer to the hw struct
3818  * @index: filter index
3819  * @cmd_details: pointer to command details structure or NULL
3820  **/
i40e_aq_del_udp_tunnel(struct i40e_hw * hw,u8 index,struct i40e_asq_cmd_details * cmd_details)3821 int i40e_aq_del_udp_tunnel(struct i40e_hw *hw, u8 index,
3822 			   struct i40e_asq_cmd_details *cmd_details)
3823 {
3824 	struct i40e_aq_desc desc;
3825 	struct i40e_aqc_remove_udp_tunnel *cmd =
3826 		(struct i40e_aqc_remove_udp_tunnel *)&desc.params.raw;
3827 	int status;
3828 
3829 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_del_udp_tunnel);
3830 
3831 	cmd->index = index;
3832 
3833 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3834 
3835 	return status;
3836 }
3837 
3838 /**
3839  * i40e_aq_delete_element - Delete switch element
3840  * @hw: pointer to the hw struct
3841  * @seid: the SEID to delete from the switch
3842  * @cmd_details: pointer to command details structure or NULL
3843  *
3844  * This deletes a switch element from the switch.
3845  **/
i40e_aq_delete_element(struct i40e_hw * hw,u16 seid,struct i40e_asq_cmd_details * cmd_details)3846 int i40e_aq_delete_element(struct i40e_hw *hw, u16 seid,
3847 			   struct i40e_asq_cmd_details *cmd_details)
3848 {
3849 	struct i40e_aq_desc desc;
3850 	struct i40e_aqc_switch_seid *cmd =
3851 		(struct i40e_aqc_switch_seid *)&desc.params.raw;
3852 	int status;
3853 
3854 	if (seid == 0)
3855 		return -EINVAL;
3856 
3857 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_delete_element);
3858 
3859 	cmd->seid = cpu_to_le16(seid);
3860 
3861 	status = i40e_asq_send_command_atomic(hw, &desc, NULL, 0,
3862 					      cmd_details, true);
3863 
3864 	return status;
3865 }
3866 
3867 /**
3868  * i40e_aq_dcb_updated - DCB Updated Command
3869  * @hw: pointer to the hw struct
3870  * @cmd_details: pointer to command details structure or NULL
3871  *
3872  * EMP will return when the shared RPB settings have been
3873  * recomputed and modified. The retval field in the descriptor
3874  * will be set to 0 when RPB is modified.
3875  **/
i40e_aq_dcb_updated(struct i40e_hw * hw,struct i40e_asq_cmd_details * cmd_details)3876 int i40e_aq_dcb_updated(struct i40e_hw *hw,
3877 			struct i40e_asq_cmd_details *cmd_details)
3878 {
3879 	struct i40e_aq_desc desc;
3880 	int status;
3881 
3882 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_dcb_updated);
3883 
3884 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3885 
3886 	return status;
3887 }
3888 
3889 /**
3890  * i40e_aq_tx_sched_cmd - generic Tx scheduler AQ command handler
3891  * @hw: pointer to the hw struct
3892  * @seid: seid for the physical port/switching component/vsi
3893  * @buff: Indirect buffer to hold data parameters and response
3894  * @buff_size: Indirect buffer size
3895  * @opcode: Tx scheduler AQ command opcode
3896  * @cmd_details: pointer to command details structure or NULL
3897  *
3898  * Generic command handler for Tx scheduler AQ commands
3899  **/
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)3900 static int i40e_aq_tx_sched_cmd(struct i40e_hw *hw, u16 seid,
3901 				void *buff, u16 buff_size,
3902 				enum i40e_admin_queue_opc opcode,
3903 				struct i40e_asq_cmd_details *cmd_details)
3904 {
3905 	struct i40e_aq_desc desc;
3906 	struct i40e_aqc_tx_sched_ind *cmd =
3907 		(struct i40e_aqc_tx_sched_ind *)&desc.params.raw;
3908 	int status;
3909 	bool cmd_param_flag = false;
3910 
3911 	switch (opcode) {
3912 	case i40e_aqc_opc_configure_vsi_ets_sla_bw_limit:
3913 	case i40e_aqc_opc_configure_vsi_tc_bw:
3914 	case i40e_aqc_opc_enable_switching_comp_ets:
3915 	case i40e_aqc_opc_modify_switching_comp_ets:
3916 	case i40e_aqc_opc_disable_switching_comp_ets:
3917 	case i40e_aqc_opc_configure_switching_comp_ets_bw_limit:
3918 	case i40e_aqc_opc_configure_switching_comp_bw_config:
3919 		cmd_param_flag = true;
3920 		break;
3921 	case i40e_aqc_opc_query_vsi_bw_config:
3922 	case i40e_aqc_opc_query_vsi_ets_sla_config:
3923 	case i40e_aqc_opc_query_switching_comp_ets_config:
3924 	case i40e_aqc_opc_query_port_ets_config:
3925 	case i40e_aqc_opc_query_switching_comp_bw_config:
3926 		cmd_param_flag = false;
3927 		break;
3928 	default:
3929 		return -EINVAL;
3930 	}
3931 
3932 	i40e_fill_default_direct_cmd_desc(&desc, opcode);
3933 
3934 	/* Indirect command */
3935 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
3936 	if (cmd_param_flag)
3937 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_RD);
3938 	if (buff_size > I40E_AQ_LARGE_BUF)
3939 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
3940 
3941 	desc.datalen = cpu_to_le16(buff_size);
3942 
3943 	cmd->vsi_seid = cpu_to_le16(seid);
3944 
3945 	status = i40e_asq_send_command(hw, &desc, buff, buff_size, cmd_details);
3946 
3947 	return status;
3948 }
3949 
3950 /**
3951  * i40e_aq_config_vsi_bw_limit - Configure VSI BW Limit
3952  * @hw: pointer to the hw struct
3953  * @seid: VSI seid
3954  * @credit: BW limit credits (0 = disabled)
3955  * @max_credit: Max BW limit credits
3956  * @cmd_details: pointer to command details structure or NULL
3957  **/
i40e_aq_config_vsi_bw_limit(struct i40e_hw * hw,u16 seid,u16 credit,u8 max_credit,struct i40e_asq_cmd_details * cmd_details)3958 int i40e_aq_config_vsi_bw_limit(struct i40e_hw *hw,
3959 				u16 seid, u16 credit, u8 max_credit,
3960 				struct i40e_asq_cmd_details *cmd_details)
3961 {
3962 	struct i40e_aq_desc desc;
3963 	struct i40e_aqc_configure_vsi_bw_limit *cmd =
3964 		(struct i40e_aqc_configure_vsi_bw_limit *)&desc.params.raw;
3965 	int status;
3966 
3967 	i40e_fill_default_direct_cmd_desc(&desc,
3968 					  i40e_aqc_opc_configure_vsi_bw_limit);
3969 
3970 	cmd->vsi_seid = cpu_to_le16(seid);
3971 	cmd->credit = cpu_to_le16(credit);
3972 	cmd->max_credit = max_credit;
3973 
3974 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3975 
3976 	return status;
3977 }
3978 
3979 /**
3980  * i40e_aq_config_vsi_tc_bw - Config VSI BW Allocation per TC
3981  * @hw: pointer to the hw struct
3982  * @seid: VSI seid
3983  * @bw_data: Buffer holding enabled TCs, relative TC BW limit/credits
3984  * @cmd_details: pointer to command details structure or NULL
3985  **/
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)3986 int i40e_aq_config_vsi_tc_bw(struct i40e_hw *hw,
3987 			     u16 seid,
3988 			     struct i40e_aqc_configure_vsi_tc_bw_data *bw_data,
3989 			     struct i40e_asq_cmd_details *cmd_details)
3990 {
3991 	return i40e_aq_tx_sched_cmd(hw, seid, (void *)bw_data, sizeof(*bw_data),
3992 				    i40e_aqc_opc_configure_vsi_tc_bw,
3993 				    cmd_details);
3994 }
3995 
3996 /**
3997  * i40e_aq_config_switch_comp_ets - Enable/Disable/Modify ETS on the port
3998  * @hw: pointer to the hw struct
3999  * @seid: seid of the switching component connected to Physical Port
4000  * @ets_data: Buffer holding ETS parameters
4001  * @opcode: Tx scheduler AQ command opcode
4002  * @cmd_details: pointer to command details structure or NULL
4003  **/
4004 int
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)4005 i40e_aq_config_switch_comp_ets(struct i40e_hw *hw,
4006 			       u16 seid,
4007 			       struct i40e_aqc_configure_switching_comp_ets_data *ets_data,
4008 			       enum i40e_admin_queue_opc opcode,
4009 			       struct i40e_asq_cmd_details *cmd_details)
4010 {
4011 	return i40e_aq_tx_sched_cmd(hw, seid, (void *)ets_data,
4012 				    sizeof(*ets_data), opcode, cmd_details);
4013 }
4014 
4015 /**
4016  * i40e_aq_config_switch_comp_bw_config - Config Switch comp BW Alloc per TC
4017  * @hw: pointer to the hw struct
4018  * @seid: seid of the switching component
4019  * @bw_data: Buffer holding enabled TCs, relative/absolute TC BW limit/credits
4020  * @cmd_details: pointer to command details structure or NULL
4021  **/
4022 int
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)4023 i40e_aq_config_switch_comp_bw_config(struct i40e_hw *hw,
4024 	u16 seid,
4025 	struct i40e_aqc_configure_switching_comp_bw_config_data *bw_data,
4026 	struct i40e_asq_cmd_details *cmd_details)
4027 {
4028 	return i40e_aq_tx_sched_cmd(hw, seid, (void *)bw_data, sizeof(*bw_data),
4029 			    i40e_aqc_opc_configure_switching_comp_bw_config,
4030 			    cmd_details);
4031 }
4032 
4033 /**
4034  * i40e_aq_query_vsi_bw_config - Query VSI BW configuration
4035  * @hw: pointer to the hw struct
4036  * @seid: seid of the VSI
4037  * @bw_data: Buffer to hold VSI BW configuration
4038  * @cmd_details: pointer to command details structure or NULL
4039  **/
4040 int
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)4041 i40e_aq_query_vsi_bw_config(struct i40e_hw *hw,
4042 			    u16 seid,
4043 			    struct i40e_aqc_query_vsi_bw_config_resp *bw_data,
4044 			    struct i40e_asq_cmd_details *cmd_details)
4045 {
4046 	return i40e_aq_tx_sched_cmd(hw, seid, (void *)bw_data, sizeof(*bw_data),
4047 				    i40e_aqc_opc_query_vsi_bw_config,
4048 				    cmd_details);
4049 }
4050 
4051 /**
4052  * i40e_aq_query_vsi_ets_sla_config - Query VSI BW configuration per TC
4053  * @hw: pointer to the hw struct
4054  * @seid: seid of the VSI
4055  * @bw_data: Buffer to hold VSI BW configuration per TC
4056  * @cmd_details: pointer to command details structure or NULL
4057  **/
4058 int
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)4059 i40e_aq_query_vsi_ets_sla_config(struct i40e_hw *hw,
4060 				 u16 seid,
4061 				 struct i40e_aqc_query_vsi_ets_sla_config_resp *bw_data,
4062 				 struct i40e_asq_cmd_details *cmd_details)
4063 {
4064 	return i40e_aq_tx_sched_cmd(hw, seid, (void *)bw_data, sizeof(*bw_data),
4065 				    i40e_aqc_opc_query_vsi_ets_sla_config,
4066 				    cmd_details);
4067 }
4068 
4069 /**
4070  * i40e_aq_query_switch_comp_ets_config - Query Switch comp BW config per TC
4071  * @hw: pointer to the hw struct
4072  * @seid: seid of the switching component
4073  * @bw_data: Buffer to hold switching component's per TC BW config
4074  * @cmd_details: pointer to command details structure or NULL
4075  **/
4076 int
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)4077 i40e_aq_query_switch_comp_ets_config(struct i40e_hw *hw,
4078 				     u16 seid,
4079 				     struct i40e_aqc_query_switching_comp_ets_config_resp *bw_data,
4080 				     struct i40e_asq_cmd_details *cmd_details)
4081 {
4082 	return i40e_aq_tx_sched_cmd(hw, seid, (void *)bw_data, sizeof(*bw_data),
4083 				   i40e_aqc_opc_query_switching_comp_ets_config,
4084 				   cmd_details);
4085 }
4086 
4087 /**
4088  * i40e_aq_query_port_ets_config - Query Physical Port ETS configuration
4089  * @hw: pointer to the hw struct
4090  * @seid: seid of the VSI or switching component connected to Physical Port
4091  * @bw_data: Buffer to hold current ETS configuration for the Physical Port
4092  * @cmd_details: pointer to command details structure or NULL
4093  **/
4094 int
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)4095 i40e_aq_query_port_ets_config(struct i40e_hw *hw,
4096 			      u16 seid,
4097 			      struct i40e_aqc_query_port_ets_config_resp *bw_data,
4098 			      struct i40e_asq_cmd_details *cmd_details)
4099 {
4100 	return i40e_aq_tx_sched_cmd(hw, seid, (void *)bw_data, sizeof(*bw_data),
4101 				    i40e_aqc_opc_query_port_ets_config,
4102 				    cmd_details);
4103 }
4104 
4105 /**
4106  * i40e_aq_query_switch_comp_bw_config - Query Switch comp BW configuration
4107  * @hw: pointer to the hw struct
4108  * @seid: seid of the switching component
4109  * @bw_data: Buffer to hold switching component's BW configuration
4110  * @cmd_details: pointer to command details structure or NULL
4111  **/
4112 int
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)4113 i40e_aq_query_switch_comp_bw_config(struct i40e_hw *hw,
4114 				    u16 seid,
4115 				    struct i40e_aqc_query_switching_comp_bw_config_resp *bw_data,
4116 				    struct i40e_asq_cmd_details *cmd_details)
4117 {
4118 	return i40e_aq_tx_sched_cmd(hw, seid, (void *)bw_data, sizeof(*bw_data),
4119 				    i40e_aqc_opc_query_switching_comp_bw_config,
4120 				    cmd_details);
4121 }
4122 
4123 /**
4124  * i40e_validate_filter_settings
4125  * @hw: pointer to the hardware structure
4126  * @settings: Filter control settings
4127  *
4128  * Check and validate the filter control settings passed.
4129  * The function checks for the valid filter/context sizes being
4130  * passed for FCoE and PE.
4131  *
4132  * Returns 0 if the values passed are valid and within
4133  * range else returns an error.
4134  **/
4135 static int
i40e_validate_filter_settings(struct i40e_hw * hw,struct i40e_filter_control_settings * settings)4136 i40e_validate_filter_settings(struct i40e_hw *hw,
4137 			      struct i40e_filter_control_settings *settings)
4138 {
4139 	u32 fcoe_cntx_size, fcoe_filt_size;
4140 	u32 fcoe_fmax;
4141 	u32 val;
4142 
4143 	/* Validate FCoE settings passed */
4144 	switch (settings->fcoe_filt_num) {
4145 	case I40E_HASH_FILTER_SIZE_1K:
4146 	case I40E_HASH_FILTER_SIZE_2K:
4147 	case I40E_HASH_FILTER_SIZE_4K:
4148 	case I40E_HASH_FILTER_SIZE_8K:
4149 	case I40E_HASH_FILTER_SIZE_16K:
4150 	case I40E_HASH_FILTER_SIZE_32K:
4151 		fcoe_filt_size = I40E_HASH_FILTER_BASE_SIZE;
4152 		fcoe_filt_size <<= (u32)settings->fcoe_filt_num;
4153 		break;
4154 	default:
4155 		return -EINVAL;
4156 	}
4157 
4158 	switch (settings->fcoe_cntx_num) {
4159 	case I40E_DMA_CNTX_SIZE_512:
4160 	case I40E_DMA_CNTX_SIZE_1K:
4161 	case I40E_DMA_CNTX_SIZE_2K:
4162 	case I40E_DMA_CNTX_SIZE_4K:
4163 		fcoe_cntx_size = I40E_DMA_CNTX_BASE_SIZE;
4164 		fcoe_cntx_size <<= (u32)settings->fcoe_cntx_num;
4165 		break;
4166 	default:
4167 		return -EINVAL;
4168 	}
4169 
4170 	/* Validate PE settings passed */
4171 	switch (settings->pe_filt_num) {
4172 	case I40E_HASH_FILTER_SIZE_1K:
4173 	case I40E_HASH_FILTER_SIZE_2K:
4174 	case I40E_HASH_FILTER_SIZE_4K:
4175 	case I40E_HASH_FILTER_SIZE_8K:
4176 	case I40E_HASH_FILTER_SIZE_16K:
4177 	case I40E_HASH_FILTER_SIZE_32K:
4178 	case I40E_HASH_FILTER_SIZE_64K:
4179 	case I40E_HASH_FILTER_SIZE_128K:
4180 	case I40E_HASH_FILTER_SIZE_256K:
4181 	case I40E_HASH_FILTER_SIZE_512K:
4182 	case I40E_HASH_FILTER_SIZE_1M:
4183 		break;
4184 	default:
4185 		return -EINVAL;
4186 	}
4187 
4188 	switch (settings->pe_cntx_num) {
4189 	case I40E_DMA_CNTX_SIZE_512:
4190 	case I40E_DMA_CNTX_SIZE_1K:
4191 	case I40E_DMA_CNTX_SIZE_2K:
4192 	case I40E_DMA_CNTX_SIZE_4K:
4193 	case I40E_DMA_CNTX_SIZE_8K:
4194 	case I40E_DMA_CNTX_SIZE_16K:
4195 	case I40E_DMA_CNTX_SIZE_32K:
4196 	case I40E_DMA_CNTX_SIZE_64K:
4197 	case I40E_DMA_CNTX_SIZE_128K:
4198 	case I40E_DMA_CNTX_SIZE_256K:
4199 		break;
4200 	default:
4201 		return -EINVAL;
4202 	}
4203 
4204 	/* FCHSIZE + FCDSIZE should not be greater than PMFCOEFMAX */
4205 	val = rd32(hw, I40E_GLHMC_FCOEFMAX);
4206 	fcoe_fmax = (val & I40E_GLHMC_FCOEFMAX_PMFCOEFMAX_MASK)
4207 		     >> I40E_GLHMC_FCOEFMAX_PMFCOEFMAX_SHIFT;
4208 	if (fcoe_filt_size + fcoe_cntx_size >  fcoe_fmax)
4209 		return -EINVAL;
4210 
4211 	return 0;
4212 }
4213 
4214 /**
4215  * i40e_set_filter_control
4216  * @hw: pointer to the hardware structure
4217  * @settings: Filter control settings
4218  *
4219  * Set the Queue Filters for PE/FCoE and enable filters required
4220  * for a single PF. It is expected that these settings are programmed
4221  * at the driver initialization time.
4222  **/
i40e_set_filter_control(struct i40e_hw * hw,struct i40e_filter_control_settings * settings)4223 int i40e_set_filter_control(struct i40e_hw *hw,
4224 			    struct i40e_filter_control_settings *settings)
4225 {
4226 	u32 hash_lut_size = 0;
4227 	int ret = 0;
4228 	u32 val;
4229 
4230 	if (!settings)
4231 		return -EINVAL;
4232 
4233 	/* Validate the input settings */
4234 	ret = i40e_validate_filter_settings(hw, settings);
4235 	if (ret)
4236 		return ret;
4237 
4238 	/* Read the PF Queue Filter control register */
4239 	val = i40e_read_rx_ctl(hw, I40E_PFQF_CTL_0);
4240 
4241 	/* Program required PE hash buckets for the PF */
4242 	val &= ~I40E_PFQF_CTL_0_PEHSIZE_MASK;
4243 	val |= ((u32)settings->pe_filt_num << I40E_PFQF_CTL_0_PEHSIZE_SHIFT) &
4244 		I40E_PFQF_CTL_0_PEHSIZE_MASK;
4245 	/* Program required PE contexts for the PF */
4246 	val &= ~I40E_PFQF_CTL_0_PEDSIZE_MASK;
4247 	val |= ((u32)settings->pe_cntx_num << I40E_PFQF_CTL_0_PEDSIZE_SHIFT) &
4248 		I40E_PFQF_CTL_0_PEDSIZE_MASK;
4249 
4250 	/* Program required FCoE hash buckets for the PF */
4251 	val &= ~I40E_PFQF_CTL_0_PFFCHSIZE_MASK;
4252 	val |= ((u32)settings->fcoe_filt_num <<
4253 			I40E_PFQF_CTL_0_PFFCHSIZE_SHIFT) &
4254 		I40E_PFQF_CTL_0_PFFCHSIZE_MASK;
4255 	/* Program required FCoE DDP contexts for the PF */
4256 	val &= ~I40E_PFQF_CTL_0_PFFCDSIZE_MASK;
4257 	val |= ((u32)settings->fcoe_cntx_num <<
4258 			I40E_PFQF_CTL_0_PFFCDSIZE_SHIFT) &
4259 		I40E_PFQF_CTL_0_PFFCDSIZE_MASK;
4260 
4261 	/* Program Hash LUT size for the PF */
4262 	val &= ~I40E_PFQF_CTL_0_HASHLUTSIZE_MASK;
4263 	if (settings->hash_lut_size == I40E_HASH_LUT_SIZE_512)
4264 		hash_lut_size = 1;
4265 	val |= (hash_lut_size << I40E_PFQF_CTL_0_HASHLUTSIZE_SHIFT) &
4266 		I40E_PFQF_CTL_0_HASHLUTSIZE_MASK;
4267 
4268 	/* Enable FDIR, Ethertype and MACVLAN filters for PF and VFs */
4269 	if (settings->enable_fdir)
4270 		val |= I40E_PFQF_CTL_0_FD_ENA_MASK;
4271 	if (settings->enable_ethtype)
4272 		val |= I40E_PFQF_CTL_0_ETYPE_ENA_MASK;
4273 	if (settings->enable_macvlan)
4274 		val |= I40E_PFQF_CTL_0_MACVLAN_ENA_MASK;
4275 
4276 	i40e_write_rx_ctl(hw, I40E_PFQF_CTL_0, val);
4277 
4278 	return 0;
4279 }
4280 
4281 /**
4282  * i40e_aq_add_rem_control_packet_filter - Add or Remove Control Packet Filter
4283  * @hw: pointer to the hw struct
4284  * @mac_addr: MAC address to use in the filter
4285  * @ethtype: Ethertype to use in the filter
4286  * @flags: Flags that needs to be applied to the filter
4287  * @vsi_seid: seid of the control VSI
4288  * @queue: VSI queue number to send the packet to
4289  * @is_add: Add control packet filter if True else remove
4290  * @stats: Structure to hold information on control filter counts
4291  * @cmd_details: pointer to command details structure or NULL
4292  *
4293  * This command will Add or Remove control packet filter for a control VSI.
4294  * In return it will update the total number of perfect filter count in
4295  * the stats member.
4296  **/
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)4297 int i40e_aq_add_rem_control_packet_filter(struct i40e_hw *hw,
4298 					  u8 *mac_addr, u16 ethtype, u16 flags,
4299 					  u16 vsi_seid, u16 queue, bool is_add,
4300 					  struct i40e_control_filter_stats *stats,
4301 					  struct i40e_asq_cmd_details *cmd_details)
4302 {
4303 	struct i40e_aq_desc desc;
4304 	struct i40e_aqc_add_remove_control_packet_filter *cmd =
4305 		(struct i40e_aqc_add_remove_control_packet_filter *)
4306 		&desc.params.raw;
4307 	struct i40e_aqc_add_remove_control_packet_filter_completion *resp =
4308 		(struct i40e_aqc_add_remove_control_packet_filter_completion *)
4309 		&desc.params.raw;
4310 	int status;
4311 
4312 	if (vsi_seid == 0)
4313 		return -EINVAL;
4314 
4315 	if (is_add) {
4316 		i40e_fill_default_direct_cmd_desc(&desc,
4317 				i40e_aqc_opc_add_control_packet_filter);
4318 		cmd->queue = cpu_to_le16(queue);
4319 	} else {
4320 		i40e_fill_default_direct_cmd_desc(&desc,
4321 				i40e_aqc_opc_remove_control_packet_filter);
4322 	}
4323 
4324 	if (mac_addr)
4325 		ether_addr_copy(cmd->mac, mac_addr);
4326 
4327 	cmd->etype = cpu_to_le16(ethtype);
4328 	cmd->flags = cpu_to_le16(flags);
4329 	cmd->seid = cpu_to_le16(vsi_seid);
4330 
4331 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
4332 
4333 	if (!status && stats) {
4334 		stats->mac_etype_used = le16_to_cpu(resp->mac_etype_used);
4335 		stats->etype_used = le16_to_cpu(resp->etype_used);
4336 		stats->mac_etype_free = le16_to_cpu(resp->mac_etype_free);
4337 		stats->etype_free = le16_to_cpu(resp->etype_free);
4338 	}
4339 
4340 	return status;
4341 }
4342 
4343 /**
4344  * i40e_add_filter_to_drop_tx_flow_control_frames- filter to drop flow control
4345  * @hw: pointer to the hw struct
4346  * @seid: VSI seid to add ethertype filter from
4347  **/
i40e_add_filter_to_drop_tx_flow_control_frames(struct i40e_hw * hw,u16 seid)4348 void i40e_add_filter_to_drop_tx_flow_control_frames(struct i40e_hw *hw,
4349 						    u16 seid)
4350 {
4351 #define I40E_FLOW_CONTROL_ETHTYPE 0x8808
4352 	u16 flag = I40E_AQC_ADD_CONTROL_PACKET_FLAGS_IGNORE_MAC |
4353 		   I40E_AQC_ADD_CONTROL_PACKET_FLAGS_DROP |
4354 		   I40E_AQC_ADD_CONTROL_PACKET_FLAGS_TX;
4355 	u16 ethtype = I40E_FLOW_CONTROL_ETHTYPE;
4356 	int status;
4357 
4358 	status = i40e_aq_add_rem_control_packet_filter(hw, NULL, ethtype, flag,
4359 						       seid, 0, true, NULL,
4360 						       NULL);
4361 	if (status)
4362 		hw_dbg(hw, "Ethtype Filter Add failed: Error pruning Tx flow control frames\n");
4363 }
4364 
4365 /**
4366  * i40e_aq_alternate_read
4367  * @hw: pointer to the hardware structure
4368  * @reg_addr0: address of first dword to be read
4369  * @reg_val0: pointer for data read from 'reg_addr0'
4370  * @reg_addr1: address of second dword to be read
4371  * @reg_val1: pointer for data read from 'reg_addr1'
4372  *
4373  * Read one or two dwords from alternate structure. Fields are indicated
4374  * by 'reg_addr0' and 'reg_addr1' register numbers. If 'reg_val1' pointer
4375  * is not passed then only register at 'reg_addr0' is read.
4376  *
4377  **/
i40e_aq_alternate_read(struct i40e_hw * hw,u32 reg_addr0,u32 * reg_val0,u32 reg_addr1,u32 * reg_val1)4378 static int i40e_aq_alternate_read(struct i40e_hw *hw,
4379 				  u32 reg_addr0, u32 *reg_val0,
4380 				  u32 reg_addr1, u32 *reg_val1)
4381 {
4382 	struct i40e_aq_desc desc;
4383 	struct i40e_aqc_alternate_write *cmd_resp =
4384 		(struct i40e_aqc_alternate_write *)&desc.params.raw;
4385 	int status;
4386 
4387 	if (!reg_val0)
4388 		return -EINVAL;
4389 
4390 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_alternate_read);
4391 	cmd_resp->address0 = cpu_to_le32(reg_addr0);
4392 	cmd_resp->address1 = cpu_to_le32(reg_addr1);
4393 
4394 	status = i40e_asq_send_command(hw, &desc, NULL, 0, NULL);
4395 
4396 	if (!status) {
4397 		*reg_val0 = le32_to_cpu(cmd_resp->data0);
4398 
4399 		if (reg_val1)
4400 			*reg_val1 = le32_to_cpu(cmd_resp->data1);
4401 	}
4402 
4403 	return status;
4404 }
4405 
4406 /**
4407  * i40e_aq_suspend_port_tx
4408  * @hw: pointer to the hardware structure
4409  * @seid: port seid
4410  * @cmd_details: pointer to command details structure or NULL
4411  *
4412  * Suspend port's Tx traffic
4413  **/
i40e_aq_suspend_port_tx(struct i40e_hw * hw,u16 seid,struct i40e_asq_cmd_details * cmd_details)4414 int i40e_aq_suspend_port_tx(struct i40e_hw *hw, u16 seid,
4415 			    struct i40e_asq_cmd_details *cmd_details)
4416 {
4417 	struct i40e_aqc_tx_sched_ind *cmd;
4418 	struct i40e_aq_desc desc;
4419 	int status;
4420 
4421 	cmd = (struct i40e_aqc_tx_sched_ind *)&desc.params.raw;
4422 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_suspend_port_tx);
4423 	cmd->vsi_seid = cpu_to_le16(seid);
4424 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
4425 
4426 	return status;
4427 }
4428 
4429 /**
4430  * i40e_aq_resume_port_tx
4431  * @hw: pointer to the hardware structure
4432  * @cmd_details: pointer to command details structure or NULL
4433  *
4434  * Resume port's Tx traffic
4435  **/
i40e_aq_resume_port_tx(struct i40e_hw * hw,struct i40e_asq_cmd_details * cmd_details)4436 int i40e_aq_resume_port_tx(struct i40e_hw *hw,
4437 			   struct i40e_asq_cmd_details *cmd_details)
4438 {
4439 	struct i40e_aq_desc desc;
4440 	int status;
4441 
4442 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_resume_port_tx);
4443 
4444 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
4445 
4446 	return status;
4447 }
4448 
4449 /**
4450  * i40e_set_pci_config_data - store PCI bus info
4451  * @hw: pointer to hardware structure
4452  * @link_status: the link status word from PCI config space
4453  *
4454  * Stores the PCI bus info (speed, width, type) within the i40e_hw structure
4455  **/
i40e_set_pci_config_data(struct i40e_hw * hw,u16 link_status)4456 void i40e_set_pci_config_data(struct i40e_hw *hw, u16 link_status)
4457 {
4458 	hw->bus.type = i40e_bus_type_pci_express;
4459 
4460 	switch (link_status & PCI_EXP_LNKSTA_NLW) {
4461 	case PCI_EXP_LNKSTA_NLW_X1:
4462 		hw->bus.width = i40e_bus_width_pcie_x1;
4463 		break;
4464 	case PCI_EXP_LNKSTA_NLW_X2:
4465 		hw->bus.width = i40e_bus_width_pcie_x2;
4466 		break;
4467 	case PCI_EXP_LNKSTA_NLW_X4:
4468 		hw->bus.width = i40e_bus_width_pcie_x4;
4469 		break;
4470 	case PCI_EXP_LNKSTA_NLW_X8:
4471 		hw->bus.width = i40e_bus_width_pcie_x8;
4472 		break;
4473 	default:
4474 		hw->bus.width = i40e_bus_width_unknown;
4475 		break;
4476 	}
4477 
4478 	switch (link_status & PCI_EXP_LNKSTA_CLS) {
4479 	case PCI_EXP_LNKSTA_CLS_2_5GB:
4480 		hw->bus.speed = i40e_bus_speed_2500;
4481 		break;
4482 	case PCI_EXP_LNKSTA_CLS_5_0GB:
4483 		hw->bus.speed = i40e_bus_speed_5000;
4484 		break;
4485 	case PCI_EXP_LNKSTA_CLS_8_0GB:
4486 		hw->bus.speed = i40e_bus_speed_8000;
4487 		break;
4488 	default:
4489 		hw->bus.speed = i40e_bus_speed_unknown;
4490 		break;
4491 	}
4492 }
4493 
4494 /**
4495  * i40e_aq_debug_dump
4496  * @hw: pointer to the hardware structure
4497  * @cluster_id: specific cluster to dump
4498  * @table_id: table id within cluster
4499  * @start_index: index of line in the block to read
4500  * @buff_size: dump buffer size
4501  * @buff: dump buffer
4502  * @ret_buff_size: actual buffer size returned
4503  * @ret_next_table: next block to read
4504  * @ret_next_index: next index to read
4505  * @cmd_details: pointer to command details structure or NULL
4506  *
4507  * Dump internal FW/HW data for debug purposes.
4508  *
4509  **/
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)4510 int i40e_aq_debug_dump(struct i40e_hw *hw, u8 cluster_id,
4511 		       u8 table_id, u32 start_index, u16 buff_size,
4512 		       void *buff, u16 *ret_buff_size,
4513 		       u8 *ret_next_table, u32 *ret_next_index,
4514 		       struct i40e_asq_cmd_details *cmd_details)
4515 {
4516 	struct i40e_aq_desc desc;
4517 	struct i40e_aqc_debug_dump_internals *cmd =
4518 		(struct i40e_aqc_debug_dump_internals *)&desc.params.raw;
4519 	struct i40e_aqc_debug_dump_internals *resp =
4520 		(struct i40e_aqc_debug_dump_internals *)&desc.params.raw;
4521 	int status;
4522 
4523 	if (buff_size == 0 || !buff)
4524 		return -EINVAL;
4525 
4526 	i40e_fill_default_direct_cmd_desc(&desc,
4527 					  i40e_aqc_opc_debug_dump_internals);
4528 	/* Indirect Command */
4529 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
4530 	if (buff_size > I40E_AQ_LARGE_BUF)
4531 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
4532 
4533 	cmd->cluster_id = cluster_id;
4534 	cmd->table_id = table_id;
4535 	cmd->idx = cpu_to_le32(start_index);
4536 
4537 	desc.datalen = cpu_to_le16(buff_size);
4538 
4539 	status = i40e_asq_send_command(hw, &desc, buff, buff_size, cmd_details);
4540 	if (!status) {
4541 		if (ret_buff_size)
4542 			*ret_buff_size = le16_to_cpu(desc.datalen);
4543 		if (ret_next_table)
4544 			*ret_next_table = resp->table_id;
4545 		if (ret_next_index)
4546 			*ret_next_index = le32_to_cpu(resp->idx);
4547 	}
4548 
4549 	return status;
4550 }
4551 
4552 /**
4553  * i40e_read_bw_from_alt_ram
4554  * @hw: pointer to the hardware structure
4555  * @max_bw: pointer for max_bw read
4556  * @min_bw: pointer for min_bw read
4557  * @min_valid: pointer for bool that is true if min_bw is a valid value
4558  * @max_valid: pointer for bool that is true if max_bw is a valid value
4559  *
4560  * Read bw from the alternate ram for the given pf
4561  **/
i40e_read_bw_from_alt_ram(struct i40e_hw * hw,u32 * max_bw,u32 * min_bw,bool * min_valid,bool * max_valid)4562 int i40e_read_bw_from_alt_ram(struct i40e_hw *hw,
4563 			      u32 *max_bw, u32 *min_bw,
4564 			      bool *min_valid, bool *max_valid)
4565 {
4566 	u32 max_bw_addr, min_bw_addr;
4567 	int status;
4568 
4569 	/* Calculate the address of the min/max bw registers */
4570 	max_bw_addr = I40E_ALT_STRUCT_FIRST_PF_OFFSET +
4571 		      I40E_ALT_STRUCT_MAX_BW_OFFSET +
4572 		      (I40E_ALT_STRUCT_DWORDS_PER_PF * hw->pf_id);
4573 	min_bw_addr = I40E_ALT_STRUCT_FIRST_PF_OFFSET +
4574 		      I40E_ALT_STRUCT_MIN_BW_OFFSET +
4575 		      (I40E_ALT_STRUCT_DWORDS_PER_PF * hw->pf_id);
4576 
4577 	/* Read the bandwidths from alt ram */
4578 	status = i40e_aq_alternate_read(hw, max_bw_addr, max_bw,
4579 					min_bw_addr, min_bw);
4580 
4581 	if (*min_bw & I40E_ALT_BW_VALID_MASK)
4582 		*min_valid = true;
4583 	else
4584 		*min_valid = false;
4585 
4586 	if (*max_bw & I40E_ALT_BW_VALID_MASK)
4587 		*max_valid = true;
4588 	else
4589 		*max_valid = false;
4590 
4591 	return status;
4592 }
4593 
4594 /**
4595  * i40e_aq_configure_partition_bw
4596  * @hw: pointer to the hardware structure
4597  * @bw_data: Buffer holding valid pfs and bw limits
4598  * @cmd_details: pointer to command details
4599  *
4600  * Configure partitions guaranteed/max bw
4601  **/
4602 int
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)4603 i40e_aq_configure_partition_bw(struct i40e_hw *hw,
4604 			       struct i40e_aqc_configure_partition_bw_data *bw_data,
4605 			       struct i40e_asq_cmd_details *cmd_details)
4606 {
4607 	u16 bwd_size = sizeof(*bw_data);
4608 	struct i40e_aq_desc desc;
4609 	int status;
4610 
4611 	i40e_fill_default_direct_cmd_desc(&desc,
4612 					  i40e_aqc_opc_configure_partition_bw);
4613 
4614 	/* Indirect command */
4615 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
4616 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_RD);
4617 
4618 	if (bwd_size > I40E_AQ_LARGE_BUF)
4619 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
4620 
4621 	desc.datalen = cpu_to_le16(bwd_size);
4622 
4623 	status = i40e_asq_send_command(hw, &desc, bw_data, bwd_size,
4624 				       cmd_details);
4625 
4626 	return status;
4627 }
4628 
4629 /**
4630  * i40e_read_phy_register_clause22
4631  * @hw: pointer to the HW structure
4632  * @reg: register address in the page
4633  * @phy_addr: PHY address on MDIO interface
4634  * @value: PHY register value
4635  *
4636  * Reads specified PHY register value
4637  **/
i40e_read_phy_register_clause22(struct i40e_hw * hw,u16 reg,u8 phy_addr,u16 * value)4638 int i40e_read_phy_register_clause22(struct i40e_hw *hw,
4639 				    u16 reg, u8 phy_addr, u16 *value)
4640 {
4641 	u8 port_num = (u8)hw->func_caps.mdio_port_num;
4642 	int status = -EIO;
4643 	u32 command = 0;
4644 	u16 retry = 1000;
4645 
4646 	command = (reg << I40E_GLGEN_MSCA_DEVADD_SHIFT) |
4647 		  (phy_addr << I40E_GLGEN_MSCA_PHYADD_SHIFT) |
4648 		  (I40E_MDIO_CLAUSE22_OPCODE_READ_MASK) |
4649 		  (I40E_MDIO_CLAUSE22_STCODE_MASK) |
4650 		  (I40E_GLGEN_MSCA_MDICMD_MASK);
4651 	wr32(hw, I40E_GLGEN_MSCA(port_num), command);
4652 	do {
4653 		command = rd32(hw, I40E_GLGEN_MSCA(port_num));
4654 		if (!(command & I40E_GLGEN_MSCA_MDICMD_MASK)) {
4655 			status = 0;
4656 			break;
4657 		}
4658 		udelay(10);
4659 		retry--;
4660 	} while (retry);
4661 
4662 	if (status) {
4663 		i40e_debug(hw, I40E_DEBUG_PHY,
4664 			   "PHY: Can't write command to external PHY.\n");
4665 	} else {
4666 		command = rd32(hw, I40E_GLGEN_MSRWD(port_num));
4667 		*value = (command & I40E_GLGEN_MSRWD_MDIRDDATA_MASK) >>
4668 			 I40E_GLGEN_MSRWD_MDIRDDATA_SHIFT;
4669 	}
4670 
4671 	return status;
4672 }
4673 
4674 /**
4675  * i40e_write_phy_register_clause22
4676  * @hw: pointer to the HW structure
4677  * @reg: register address in the page
4678  * @phy_addr: PHY address on MDIO interface
4679  * @value: PHY register value
4680  *
4681  * Writes specified PHY register value
4682  **/
i40e_write_phy_register_clause22(struct i40e_hw * hw,u16 reg,u8 phy_addr,u16 value)4683 int i40e_write_phy_register_clause22(struct i40e_hw *hw,
4684 				     u16 reg, u8 phy_addr, u16 value)
4685 {
4686 	u8 port_num = (u8)hw->func_caps.mdio_port_num;
4687 	int status = -EIO;
4688 	u32 command  = 0;
4689 	u16 retry = 1000;
4690 
4691 	command = value << I40E_GLGEN_MSRWD_MDIWRDATA_SHIFT;
4692 	wr32(hw, I40E_GLGEN_MSRWD(port_num), command);
4693 
4694 	command = (reg << I40E_GLGEN_MSCA_DEVADD_SHIFT) |
4695 		  (phy_addr << I40E_GLGEN_MSCA_PHYADD_SHIFT) |
4696 		  (I40E_MDIO_CLAUSE22_OPCODE_WRITE_MASK) |
4697 		  (I40E_MDIO_CLAUSE22_STCODE_MASK) |
4698 		  (I40E_GLGEN_MSCA_MDICMD_MASK);
4699 
4700 	wr32(hw, I40E_GLGEN_MSCA(port_num), command);
4701 	do {
4702 		command = rd32(hw, I40E_GLGEN_MSCA(port_num));
4703 		if (!(command & I40E_GLGEN_MSCA_MDICMD_MASK)) {
4704 			status = 0;
4705 			break;
4706 		}
4707 		udelay(10);
4708 		retry--;
4709 	} while (retry);
4710 
4711 	return status;
4712 }
4713 
4714 /**
4715  * i40e_read_phy_register_clause45
4716  * @hw: pointer to the HW structure
4717  * @page: registers page number
4718  * @reg: register address in the page
4719  * @phy_addr: PHY address on MDIO interface
4720  * @value: PHY register value
4721  *
4722  * Reads specified PHY register value
4723  **/
i40e_read_phy_register_clause45(struct i40e_hw * hw,u8 page,u16 reg,u8 phy_addr,u16 * value)4724 int i40e_read_phy_register_clause45(struct i40e_hw *hw,
4725 				    u8 page, u16 reg, u8 phy_addr, u16 *value)
4726 {
4727 	u8 port_num = hw->func_caps.mdio_port_num;
4728 	int status = -EIO;
4729 	u32 command = 0;
4730 	u16 retry = 1000;
4731 
4732 	command = (reg << I40E_GLGEN_MSCA_MDIADD_SHIFT) |
4733 		  (page << I40E_GLGEN_MSCA_DEVADD_SHIFT) |
4734 		  (phy_addr << I40E_GLGEN_MSCA_PHYADD_SHIFT) |
4735 		  (I40E_MDIO_CLAUSE45_OPCODE_ADDRESS_MASK) |
4736 		  (I40E_MDIO_CLAUSE45_STCODE_MASK) |
4737 		  (I40E_GLGEN_MSCA_MDICMD_MASK) |
4738 		  (I40E_GLGEN_MSCA_MDIINPROGEN_MASK);
4739 	wr32(hw, I40E_GLGEN_MSCA(port_num), command);
4740 	do {
4741 		command = rd32(hw, I40E_GLGEN_MSCA(port_num));
4742 		if (!(command & I40E_GLGEN_MSCA_MDICMD_MASK)) {
4743 			status = 0;
4744 			break;
4745 		}
4746 		usleep_range(10, 20);
4747 		retry--;
4748 	} while (retry);
4749 
4750 	if (status) {
4751 		i40e_debug(hw, I40E_DEBUG_PHY,
4752 			   "PHY: Can't write command to external PHY.\n");
4753 		goto phy_read_end;
4754 	}
4755 
4756 	command = (page << I40E_GLGEN_MSCA_DEVADD_SHIFT) |
4757 		  (phy_addr << I40E_GLGEN_MSCA_PHYADD_SHIFT) |
4758 		  (I40E_MDIO_CLAUSE45_OPCODE_READ_MASK) |
4759 		  (I40E_MDIO_CLAUSE45_STCODE_MASK) |
4760 		  (I40E_GLGEN_MSCA_MDICMD_MASK) |
4761 		  (I40E_GLGEN_MSCA_MDIINPROGEN_MASK);
4762 	status = -EIO;
4763 	retry = 1000;
4764 	wr32(hw, I40E_GLGEN_MSCA(port_num), command);
4765 	do {
4766 		command = rd32(hw, I40E_GLGEN_MSCA(port_num));
4767 		if (!(command & I40E_GLGEN_MSCA_MDICMD_MASK)) {
4768 			status = 0;
4769 			break;
4770 		}
4771 		usleep_range(10, 20);
4772 		retry--;
4773 	} while (retry);
4774 
4775 	if (!status) {
4776 		command = rd32(hw, I40E_GLGEN_MSRWD(port_num));
4777 		*value = (command & I40E_GLGEN_MSRWD_MDIRDDATA_MASK) >>
4778 			 I40E_GLGEN_MSRWD_MDIRDDATA_SHIFT;
4779 	} else {
4780 		i40e_debug(hw, I40E_DEBUG_PHY,
4781 			   "PHY: Can't read register value from external PHY.\n");
4782 	}
4783 
4784 phy_read_end:
4785 	return status;
4786 }
4787 
4788 /**
4789  * i40e_write_phy_register_clause45
4790  * @hw: pointer to the HW structure
4791  * @page: registers page number
4792  * @reg: register address in the page
4793  * @phy_addr: PHY address on MDIO interface
4794  * @value: PHY register value
4795  *
4796  * Writes value to specified PHY register
4797  **/
i40e_write_phy_register_clause45(struct i40e_hw * hw,u8 page,u16 reg,u8 phy_addr,u16 value)4798 int i40e_write_phy_register_clause45(struct i40e_hw *hw,
4799 				     u8 page, u16 reg, u8 phy_addr, u16 value)
4800 {
4801 	u8 port_num = hw->func_caps.mdio_port_num;
4802 	int status = -EIO;
4803 	u16 retry = 1000;
4804 	u32 command = 0;
4805 
4806 	command = (reg << I40E_GLGEN_MSCA_MDIADD_SHIFT) |
4807 		  (page << I40E_GLGEN_MSCA_DEVADD_SHIFT) |
4808 		  (phy_addr << I40E_GLGEN_MSCA_PHYADD_SHIFT) |
4809 		  (I40E_MDIO_CLAUSE45_OPCODE_ADDRESS_MASK) |
4810 		  (I40E_MDIO_CLAUSE45_STCODE_MASK) |
4811 		  (I40E_GLGEN_MSCA_MDICMD_MASK) |
4812 		  (I40E_GLGEN_MSCA_MDIINPROGEN_MASK);
4813 	wr32(hw, I40E_GLGEN_MSCA(port_num), command);
4814 	do {
4815 		command = rd32(hw, I40E_GLGEN_MSCA(port_num));
4816 		if (!(command & I40E_GLGEN_MSCA_MDICMD_MASK)) {
4817 			status = 0;
4818 			break;
4819 		}
4820 		usleep_range(10, 20);
4821 		retry--;
4822 	} while (retry);
4823 	if (status) {
4824 		i40e_debug(hw, I40E_DEBUG_PHY,
4825 			   "PHY: Can't write command to external PHY.\n");
4826 		goto phy_write_end;
4827 	}
4828 
4829 	command = value << I40E_GLGEN_MSRWD_MDIWRDATA_SHIFT;
4830 	wr32(hw, I40E_GLGEN_MSRWD(port_num), command);
4831 
4832 	command = (page << I40E_GLGEN_MSCA_DEVADD_SHIFT) |
4833 		  (phy_addr << I40E_GLGEN_MSCA_PHYADD_SHIFT) |
4834 		  (I40E_MDIO_CLAUSE45_OPCODE_WRITE_MASK) |
4835 		  (I40E_MDIO_CLAUSE45_STCODE_MASK) |
4836 		  (I40E_GLGEN_MSCA_MDICMD_MASK) |
4837 		  (I40E_GLGEN_MSCA_MDIINPROGEN_MASK);
4838 	status = -EIO;
4839 	retry = 1000;
4840 	wr32(hw, I40E_GLGEN_MSCA(port_num), command);
4841 	do {
4842 		command = rd32(hw, I40E_GLGEN_MSCA(port_num));
4843 		if (!(command & I40E_GLGEN_MSCA_MDICMD_MASK)) {
4844 			status = 0;
4845 			break;
4846 		}
4847 		usleep_range(10, 20);
4848 		retry--;
4849 	} while (retry);
4850 
4851 phy_write_end:
4852 	return status;
4853 }
4854 
4855 /**
4856  * i40e_write_phy_register
4857  * @hw: pointer to the HW structure
4858  * @page: registers page number
4859  * @reg: register address in the page
4860  * @phy_addr: PHY address on MDIO interface
4861  * @value: PHY register value
4862  *
4863  * Writes value to specified PHY register
4864  **/
i40e_write_phy_register(struct i40e_hw * hw,u8 page,u16 reg,u8 phy_addr,u16 value)4865 int i40e_write_phy_register(struct i40e_hw *hw,
4866 			    u8 page, u16 reg, u8 phy_addr, u16 value)
4867 {
4868 	int status;
4869 
4870 	switch (hw->device_id) {
4871 	case I40E_DEV_ID_1G_BASE_T_X722:
4872 		status = i40e_write_phy_register_clause22(hw, reg, phy_addr,
4873 							  value);
4874 		break;
4875 	case I40E_DEV_ID_1G_BASE_T_BC:
4876 	case I40E_DEV_ID_5G_BASE_T_BC:
4877 	case I40E_DEV_ID_10G_BASE_T:
4878 	case I40E_DEV_ID_10G_BASE_T4:
4879 	case I40E_DEV_ID_10G_BASE_T_BC:
4880 	case I40E_DEV_ID_10G_BASE_T_X722:
4881 	case I40E_DEV_ID_25G_B:
4882 	case I40E_DEV_ID_25G_SFP28:
4883 		status = i40e_write_phy_register_clause45(hw, page, reg,
4884 							  phy_addr, value);
4885 		break;
4886 	default:
4887 		status = -EIO;
4888 		break;
4889 	}
4890 
4891 	return status;
4892 }
4893 
4894 /**
4895  * i40e_read_phy_register
4896  * @hw: pointer to the HW structure
4897  * @page: registers page number
4898  * @reg: register address in the page
4899  * @phy_addr: PHY address on MDIO interface
4900  * @value: PHY register value
4901  *
4902  * Reads specified PHY register value
4903  **/
i40e_read_phy_register(struct i40e_hw * hw,u8 page,u16 reg,u8 phy_addr,u16 * value)4904 int i40e_read_phy_register(struct i40e_hw *hw,
4905 			   u8 page, u16 reg, u8 phy_addr, u16 *value)
4906 {
4907 	int status;
4908 
4909 	switch (hw->device_id) {
4910 	case I40E_DEV_ID_1G_BASE_T_X722:
4911 		status = i40e_read_phy_register_clause22(hw, reg, phy_addr,
4912 							 value);
4913 		break;
4914 	case I40E_DEV_ID_1G_BASE_T_BC:
4915 	case I40E_DEV_ID_5G_BASE_T_BC:
4916 	case I40E_DEV_ID_10G_BASE_T:
4917 	case I40E_DEV_ID_10G_BASE_T4:
4918 	case I40E_DEV_ID_10G_BASE_T_BC:
4919 	case I40E_DEV_ID_10G_BASE_T_X722:
4920 	case I40E_DEV_ID_25G_B:
4921 	case I40E_DEV_ID_25G_SFP28:
4922 		status = i40e_read_phy_register_clause45(hw, page, reg,
4923 							 phy_addr, value);
4924 		break;
4925 	default:
4926 		status = -EIO;
4927 		break;
4928 	}
4929 
4930 	return status;
4931 }
4932 
4933 /**
4934  * i40e_get_phy_address
4935  * @hw: pointer to the HW structure
4936  * @dev_num: PHY port num that address we want
4937  *
4938  * Gets PHY address for current port
4939  **/
i40e_get_phy_address(struct i40e_hw * hw,u8 dev_num)4940 u8 i40e_get_phy_address(struct i40e_hw *hw, u8 dev_num)
4941 {
4942 	u8 port_num = hw->func_caps.mdio_port_num;
4943 	u32 reg_val = rd32(hw, I40E_GLGEN_MDIO_I2C_SEL(port_num));
4944 
4945 	return (u8)(reg_val >> ((dev_num + 1) * 5)) & 0x1f;
4946 }
4947 
4948 /**
4949  * i40e_blink_phy_link_led
4950  * @hw: pointer to the HW structure
4951  * @time: time how long led will blinks in secs
4952  * @interval: gap between LED on and off in msecs
4953  *
4954  * Blinks PHY link LED
4955  **/
i40e_blink_phy_link_led(struct i40e_hw * hw,u32 time,u32 interval)4956 int i40e_blink_phy_link_led(struct i40e_hw *hw,
4957 			    u32 time, u32 interval)
4958 {
4959 	u16 led_addr = I40E_PHY_LED_PROV_REG_1;
4960 	u16 gpio_led_port;
4961 	u8 phy_addr = 0;
4962 	int status = 0;
4963 	u16 led_ctl;
4964 	u8 port_num;
4965 	u16 led_reg;
4966 	u32 i;
4967 
4968 	i = rd32(hw, I40E_PFGEN_PORTNUM);
4969 	port_num = (u8)(i & I40E_PFGEN_PORTNUM_PORT_NUM_MASK);
4970 	phy_addr = i40e_get_phy_address(hw, port_num);
4971 
4972 	for (gpio_led_port = 0; gpio_led_port < 3; gpio_led_port++,
4973 	     led_addr++) {
4974 		status = i40e_read_phy_register_clause45(hw,
4975 							 I40E_PHY_COM_REG_PAGE,
4976 							 led_addr, phy_addr,
4977 							 &led_reg);
4978 		if (status)
4979 			goto phy_blinking_end;
4980 		led_ctl = led_reg;
4981 		if (led_reg & I40E_PHY_LED_LINK_MODE_MASK) {
4982 			led_reg = 0;
4983 			status = i40e_write_phy_register_clause45(hw,
4984 							 I40E_PHY_COM_REG_PAGE,
4985 							 led_addr, phy_addr,
4986 							 led_reg);
4987 			if (status)
4988 				goto phy_blinking_end;
4989 			break;
4990 		}
4991 	}
4992 
4993 	if (time > 0 && interval > 0) {
4994 		for (i = 0; i < time * 1000; i += interval) {
4995 			status = i40e_read_phy_register_clause45(hw,
4996 						I40E_PHY_COM_REG_PAGE,
4997 						led_addr, phy_addr, &led_reg);
4998 			if (status)
4999 				goto restore_config;
5000 			if (led_reg & I40E_PHY_LED_MANUAL_ON)
5001 				led_reg = 0;
5002 			else
5003 				led_reg = I40E_PHY_LED_MANUAL_ON;
5004 			status = i40e_write_phy_register_clause45(hw,
5005 						I40E_PHY_COM_REG_PAGE,
5006 						led_addr, phy_addr, led_reg);
5007 			if (status)
5008 				goto restore_config;
5009 			msleep(interval);
5010 		}
5011 	}
5012 
5013 restore_config:
5014 	status = i40e_write_phy_register_clause45(hw,
5015 						  I40E_PHY_COM_REG_PAGE,
5016 						  led_addr, phy_addr, led_ctl);
5017 
5018 phy_blinking_end:
5019 	return status;
5020 }
5021 
5022 /**
5023  * i40e_led_get_reg - read LED register
5024  * @hw: pointer to the HW structure
5025  * @led_addr: LED register address
5026  * @reg_val: read register value
5027  **/
i40e_led_get_reg(struct i40e_hw * hw,u16 led_addr,u32 * reg_val)5028 static int i40e_led_get_reg(struct i40e_hw *hw, u16 led_addr,
5029 			    u32 *reg_val)
5030 {
5031 	u8 phy_addr = 0;
5032 	u8 port_num;
5033 	int status;
5034 	u32 i;
5035 
5036 	*reg_val = 0;
5037 	if (hw->flags & I40E_HW_FLAG_AQ_PHY_ACCESS_CAPABLE) {
5038 		status =
5039 		       i40e_aq_get_phy_register(hw,
5040 						I40E_AQ_PHY_REG_ACCESS_EXTERNAL,
5041 						I40E_PHY_COM_REG_PAGE, true,
5042 						I40E_PHY_LED_PROV_REG_1,
5043 						reg_val, NULL);
5044 	} else {
5045 		i = rd32(hw, I40E_PFGEN_PORTNUM);
5046 		port_num = (u8)(i & I40E_PFGEN_PORTNUM_PORT_NUM_MASK);
5047 		phy_addr = i40e_get_phy_address(hw, port_num);
5048 		status = i40e_read_phy_register_clause45(hw,
5049 							 I40E_PHY_COM_REG_PAGE,
5050 							 led_addr, phy_addr,
5051 							 (u16 *)reg_val);
5052 	}
5053 	return status;
5054 }
5055 
5056 /**
5057  * i40e_led_set_reg - write LED register
5058  * @hw: pointer to the HW structure
5059  * @led_addr: LED register address
5060  * @reg_val: register value to write
5061  **/
i40e_led_set_reg(struct i40e_hw * hw,u16 led_addr,u32 reg_val)5062 static int i40e_led_set_reg(struct i40e_hw *hw, u16 led_addr,
5063 			    u32 reg_val)
5064 {
5065 	u8 phy_addr = 0;
5066 	u8 port_num;
5067 	int status;
5068 	u32 i;
5069 
5070 	if (hw->flags & I40E_HW_FLAG_AQ_PHY_ACCESS_CAPABLE) {
5071 		status =
5072 		       i40e_aq_set_phy_register(hw,
5073 						I40E_AQ_PHY_REG_ACCESS_EXTERNAL,
5074 						I40E_PHY_COM_REG_PAGE, true,
5075 						I40E_PHY_LED_PROV_REG_1,
5076 						reg_val, NULL);
5077 	} else {
5078 		i = rd32(hw, I40E_PFGEN_PORTNUM);
5079 		port_num = (u8)(i & I40E_PFGEN_PORTNUM_PORT_NUM_MASK);
5080 		phy_addr = i40e_get_phy_address(hw, port_num);
5081 		status = i40e_write_phy_register_clause45(hw,
5082 							  I40E_PHY_COM_REG_PAGE,
5083 							  led_addr, phy_addr,
5084 							  (u16)reg_val);
5085 	}
5086 
5087 	return status;
5088 }
5089 
5090 /**
5091  * i40e_led_get_phy - return current on/off mode
5092  * @hw: pointer to the hw struct
5093  * @led_addr: address of led register to use
5094  * @val: original value of register to use
5095  *
5096  **/
i40e_led_get_phy(struct i40e_hw * hw,u16 * led_addr,u16 * val)5097 int i40e_led_get_phy(struct i40e_hw *hw, u16 *led_addr,
5098 		     u16 *val)
5099 {
5100 	u16 gpio_led_port;
5101 	u8 phy_addr = 0;
5102 	u32 reg_val_aq;
5103 	int status = 0;
5104 	u16 temp_addr;
5105 	u16 reg_val;
5106 	u8 port_num;
5107 	u32 i;
5108 
5109 	if (hw->flags & I40E_HW_FLAG_AQ_PHY_ACCESS_CAPABLE) {
5110 		status =
5111 		      i40e_aq_get_phy_register(hw,
5112 					       I40E_AQ_PHY_REG_ACCESS_EXTERNAL,
5113 					       I40E_PHY_COM_REG_PAGE, true,
5114 					       I40E_PHY_LED_PROV_REG_1,
5115 					       &reg_val_aq, NULL);
5116 		if (status == 0)
5117 			*val = (u16)reg_val_aq;
5118 		return status;
5119 	}
5120 	temp_addr = I40E_PHY_LED_PROV_REG_1;
5121 	i = rd32(hw, I40E_PFGEN_PORTNUM);
5122 	port_num = (u8)(i & I40E_PFGEN_PORTNUM_PORT_NUM_MASK);
5123 	phy_addr = i40e_get_phy_address(hw, port_num);
5124 
5125 	for (gpio_led_port = 0; gpio_led_port < 3; gpio_led_port++,
5126 	     temp_addr++) {
5127 		status = i40e_read_phy_register_clause45(hw,
5128 							 I40E_PHY_COM_REG_PAGE,
5129 							 temp_addr, phy_addr,
5130 							 &reg_val);
5131 		if (status)
5132 			return status;
5133 		*val = reg_val;
5134 		if (reg_val & I40E_PHY_LED_LINK_MODE_MASK) {
5135 			*led_addr = temp_addr;
5136 			break;
5137 		}
5138 	}
5139 	return status;
5140 }
5141 
5142 /**
5143  * i40e_led_set_phy
5144  * @hw: pointer to the HW structure
5145  * @on: true or false
5146  * @led_addr: address of led register to use
5147  * @mode: original val plus bit for set or ignore
5148  *
5149  * Set led's on or off when controlled by the PHY
5150  *
5151  **/
i40e_led_set_phy(struct i40e_hw * hw,bool on,u16 led_addr,u32 mode)5152 int i40e_led_set_phy(struct i40e_hw *hw, bool on,
5153 		     u16 led_addr, u32 mode)
5154 {
5155 	u32 led_ctl = 0;
5156 	u32 led_reg = 0;
5157 	int status = 0;
5158 
5159 	status = i40e_led_get_reg(hw, led_addr, &led_reg);
5160 	if (status)
5161 		return status;
5162 	led_ctl = led_reg;
5163 	if (led_reg & I40E_PHY_LED_LINK_MODE_MASK) {
5164 		led_reg = 0;
5165 		status = i40e_led_set_reg(hw, led_addr, led_reg);
5166 		if (status)
5167 			return status;
5168 	}
5169 	status = i40e_led_get_reg(hw, led_addr, &led_reg);
5170 	if (status)
5171 		goto restore_config;
5172 	if (on)
5173 		led_reg = I40E_PHY_LED_MANUAL_ON;
5174 	else
5175 		led_reg = 0;
5176 
5177 	status = i40e_led_set_reg(hw, led_addr, led_reg);
5178 	if (status)
5179 		goto restore_config;
5180 	if (mode & I40E_PHY_LED_MODE_ORIG) {
5181 		led_ctl = (mode & I40E_PHY_LED_MODE_MASK);
5182 		status = i40e_led_set_reg(hw, led_addr, led_ctl);
5183 	}
5184 	return status;
5185 
5186 restore_config:
5187 	status = i40e_led_set_reg(hw, led_addr, led_ctl);
5188 	return status;
5189 }
5190 
5191 /**
5192  * i40e_aq_rx_ctl_read_register - use FW to read from an Rx control register
5193  * @hw: pointer to the hw struct
5194  * @reg_addr: register address
5195  * @reg_val: ptr to register value
5196  * @cmd_details: pointer to command details structure or NULL
5197  *
5198  * Use the firmware to read the Rx control register,
5199  * especially useful if the Rx unit is under heavy pressure
5200  **/
i40e_aq_rx_ctl_read_register(struct i40e_hw * hw,u32 reg_addr,u32 * reg_val,struct i40e_asq_cmd_details * cmd_details)5201 int i40e_aq_rx_ctl_read_register(struct i40e_hw *hw,
5202 				 u32 reg_addr, u32 *reg_val,
5203 				 struct i40e_asq_cmd_details *cmd_details)
5204 {
5205 	struct i40e_aq_desc desc;
5206 	struct i40e_aqc_rx_ctl_reg_read_write *cmd_resp =
5207 		(struct i40e_aqc_rx_ctl_reg_read_write *)&desc.params.raw;
5208 	int status;
5209 
5210 	if (!reg_val)
5211 		return -EINVAL;
5212 
5213 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_rx_ctl_reg_read);
5214 
5215 	cmd_resp->address = cpu_to_le32(reg_addr);
5216 
5217 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
5218 
5219 	if (status == 0)
5220 		*reg_val = le32_to_cpu(cmd_resp->value);
5221 
5222 	return status;
5223 }
5224 
5225 /**
5226  * i40e_read_rx_ctl - read from an Rx control register
5227  * @hw: pointer to the hw struct
5228  * @reg_addr: register address
5229  **/
i40e_read_rx_ctl(struct i40e_hw * hw,u32 reg_addr)5230 u32 i40e_read_rx_ctl(struct i40e_hw *hw, u32 reg_addr)
5231 {
5232 	bool use_register;
5233 	int status = 0;
5234 	int retry = 5;
5235 	u32 val = 0;
5236 
5237 	use_register = (((hw->aq.api_maj_ver == 1) &&
5238 			(hw->aq.api_min_ver < 5)) ||
5239 			(hw->mac.type == I40E_MAC_X722));
5240 	if (!use_register) {
5241 do_retry:
5242 		status = i40e_aq_rx_ctl_read_register(hw, reg_addr, &val, NULL);
5243 		if (hw->aq.asq_last_status == I40E_AQ_RC_EAGAIN && retry) {
5244 			usleep_range(1000, 2000);
5245 			retry--;
5246 			goto do_retry;
5247 		}
5248 	}
5249 
5250 	/* if the AQ access failed, try the old-fashioned way */
5251 	if (status || use_register)
5252 		val = rd32(hw, reg_addr);
5253 
5254 	return val;
5255 }
5256 
5257 /**
5258  * i40e_aq_rx_ctl_write_register
5259  * @hw: pointer to the hw struct
5260  * @reg_addr: register address
5261  * @reg_val: register value
5262  * @cmd_details: pointer to command details structure or NULL
5263  *
5264  * Use the firmware to write to an Rx control register,
5265  * especially useful if the Rx unit is under heavy pressure
5266  **/
i40e_aq_rx_ctl_write_register(struct i40e_hw * hw,u32 reg_addr,u32 reg_val,struct i40e_asq_cmd_details * cmd_details)5267 int i40e_aq_rx_ctl_write_register(struct i40e_hw *hw,
5268 				  u32 reg_addr, u32 reg_val,
5269 				  struct i40e_asq_cmd_details *cmd_details)
5270 {
5271 	struct i40e_aq_desc desc;
5272 	struct i40e_aqc_rx_ctl_reg_read_write *cmd =
5273 		(struct i40e_aqc_rx_ctl_reg_read_write *)&desc.params.raw;
5274 	int status;
5275 
5276 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_rx_ctl_reg_write);
5277 
5278 	cmd->address = cpu_to_le32(reg_addr);
5279 	cmd->value = cpu_to_le32(reg_val);
5280 
5281 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
5282 
5283 	return status;
5284 }
5285 
5286 /**
5287  * i40e_write_rx_ctl - write to an Rx control register
5288  * @hw: pointer to the hw struct
5289  * @reg_addr: register address
5290  * @reg_val: register value
5291  **/
i40e_write_rx_ctl(struct i40e_hw * hw,u32 reg_addr,u32 reg_val)5292 void i40e_write_rx_ctl(struct i40e_hw *hw, u32 reg_addr, u32 reg_val)
5293 {
5294 	bool use_register;
5295 	int status = 0;
5296 	int retry = 5;
5297 
5298 	use_register = (((hw->aq.api_maj_ver == 1) &&
5299 			(hw->aq.api_min_ver < 5)) ||
5300 			(hw->mac.type == I40E_MAC_X722));
5301 	if (!use_register) {
5302 do_retry:
5303 		status = i40e_aq_rx_ctl_write_register(hw, reg_addr,
5304 						       reg_val, NULL);
5305 		if (hw->aq.asq_last_status == I40E_AQ_RC_EAGAIN && retry) {
5306 			usleep_range(1000, 2000);
5307 			retry--;
5308 			goto do_retry;
5309 		}
5310 	}
5311 
5312 	/* if the AQ access failed, try the old-fashioned way */
5313 	if (status || use_register)
5314 		wr32(hw, reg_addr, reg_val);
5315 }
5316 
5317 /**
5318  * i40e_mdio_if_number_selection - MDIO I/F number selection
5319  * @hw: pointer to the hw struct
5320  * @set_mdio: use MDIO I/F number specified by mdio_num
5321  * @mdio_num: MDIO I/F number
5322  * @cmd: pointer to PHY Register command structure
5323  **/
i40e_mdio_if_number_selection(struct i40e_hw * hw,bool set_mdio,u8 mdio_num,struct i40e_aqc_phy_register_access * cmd)5324 static void i40e_mdio_if_number_selection(struct i40e_hw *hw, bool set_mdio,
5325 					  u8 mdio_num,
5326 					  struct i40e_aqc_phy_register_access *cmd)
5327 {
5328 	if (set_mdio && cmd->phy_interface == I40E_AQ_PHY_REG_ACCESS_EXTERNAL) {
5329 		if (hw->flags & I40E_HW_FLAG_AQ_PHY_ACCESS_EXTENDED)
5330 			cmd->cmd_flags |=
5331 				I40E_AQ_PHY_REG_ACCESS_SET_MDIO_IF_NUMBER |
5332 				((mdio_num <<
5333 				I40E_AQ_PHY_REG_ACCESS_MDIO_IF_NUMBER_SHIFT) &
5334 				I40E_AQ_PHY_REG_ACCESS_MDIO_IF_NUMBER_MASK);
5335 		else
5336 			i40e_debug(hw, I40E_DEBUG_PHY,
5337 				   "MDIO I/F number selection not supported by current FW version.\n");
5338 	}
5339 }
5340 
5341 /**
5342  * i40e_aq_set_phy_register_ext
5343  * @hw: pointer to the hw struct
5344  * @phy_select: select which phy should be accessed
5345  * @dev_addr: PHY device address
5346  * @page_change: flag to indicate if phy page should be updated
5347  * @set_mdio: use MDIO I/F number specified by mdio_num
5348  * @mdio_num: MDIO I/F number
5349  * @reg_addr: PHY register address
5350  * @reg_val: new register value
5351  * @cmd_details: pointer to command details structure or NULL
5352  *
5353  * Write the external PHY register.
5354  * NOTE: In common cases MDIO I/F number should not be changed, thats why you
5355  * may use simple wrapper i40e_aq_set_phy_register.
5356  **/
i40e_aq_set_phy_register_ext(struct i40e_hw * hw,u8 phy_select,u8 dev_addr,bool page_change,bool set_mdio,u8 mdio_num,u32 reg_addr,u32 reg_val,struct i40e_asq_cmd_details * cmd_details)5357 int i40e_aq_set_phy_register_ext(struct i40e_hw *hw,
5358 				 u8 phy_select, u8 dev_addr, bool page_change,
5359 				 bool set_mdio, u8 mdio_num,
5360 				 u32 reg_addr, u32 reg_val,
5361 				 struct i40e_asq_cmd_details *cmd_details)
5362 {
5363 	struct i40e_aq_desc desc;
5364 	struct i40e_aqc_phy_register_access *cmd =
5365 		(struct i40e_aqc_phy_register_access *)&desc.params.raw;
5366 	int status;
5367 
5368 	i40e_fill_default_direct_cmd_desc(&desc,
5369 					  i40e_aqc_opc_set_phy_register);
5370 
5371 	cmd->phy_interface = phy_select;
5372 	cmd->dev_address = dev_addr;
5373 	cmd->reg_address = cpu_to_le32(reg_addr);
5374 	cmd->reg_value = cpu_to_le32(reg_val);
5375 
5376 	i40e_mdio_if_number_selection(hw, set_mdio, mdio_num, cmd);
5377 
5378 	if (!page_change)
5379 		cmd->cmd_flags = I40E_AQ_PHY_REG_ACCESS_DONT_CHANGE_QSFP_PAGE;
5380 
5381 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
5382 
5383 	return status;
5384 }
5385 
5386 /**
5387  * i40e_aq_get_phy_register_ext
5388  * @hw: pointer to the hw struct
5389  * @phy_select: select which phy should be accessed
5390  * @dev_addr: PHY device address
5391  * @page_change: flag to indicate if phy page should be updated
5392  * @set_mdio: use MDIO I/F number specified by mdio_num
5393  * @mdio_num: MDIO I/F number
5394  * @reg_addr: PHY register address
5395  * @reg_val: read register value
5396  * @cmd_details: pointer to command details structure or NULL
5397  *
5398  * Read the external PHY register.
5399  * NOTE: In common cases MDIO I/F number should not be changed, thats why you
5400  * may use simple wrapper i40e_aq_get_phy_register.
5401  **/
i40e_aq_get_phy_register_ext(struct i40e_hw * hw,u8 phy_select,u8 dev_addr,bool page_change,bool set_mdio,u8 mdio_num,u32 reg_addr,u32 * reg_val,struct i40e_asq_cmd_details * cmd_details)5402 int i40e_aq_get_phy_register_ext(struct i40e_hw *hw,
5403 				 u8 phy_select, u8 dev_addr, bool page_change,
5404 				 bool set_mdio, u8 mdio_num,
5405 				 u32 reg_addr, u32 *reg_val,
5406 				 struct i40e_asq_cmd_details *cmd_details)
5407 {
5408 	struct i40e_aq_desc desc;
5409 	struct i40e_aqc_phy_register_access *cmd =
5410 		(struct i40e_aqc_phy_register_access *)&desc.params.raw;
5411 	int status;
5412 
5413 	i40e_fill_default_direct_cmd_desc(&desc,
5414 					  i40e_aqc_opc_get_phy_register);
5415 
5416 	cmd->phy_interface = phy_select;
5417 	cmd->dev_address = dev_addr;
5418 	cmd->reg_address = cpu_to_le32(reg_addr);
5419 
5420 	i40e_mdio_if_number_selection(hw, set_mdio, mdio_num, cmd);
5421 
5422 	if (!page_change)
5423 		cmd->cmd_flags = I40E_AQ_PHY_REG_ACCESS_DONT_CHANGE_QSFP_PAGE;
5424 
5425 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
5426 	if (!status)
5427 		*reg_val = le32_to_cpu(cmd->reg_value);
5428 
5429 	return status;
5430 }
5431 
5432 /**
5433  * i40e_aq_write_ddp - Write dynamic device personalization (ddp)
5434  * @hw: pointer to the hw struct
5435  * @buff: command buffer (size in bytes = buff_size)
5436  * @buff_size: buffer size in bytes
5437  * @track_id: package tracking id
5438  * @error_offset: returns error offset
5439  * @error_info: returns error information
5440  * @cmd_details: pointer to command details structure or NULL
5441  **/
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)5442 int i40e_aq_write_ddp(struct i40e_hw *hw, void *buff,
5443 		      u16 buff_size, u32 track_id,
5444 		      u32 *error_offset, u32 *error_info,
5445 		      struct i40e_asq_cmd_details *cmd_details)
5446 {
5447 	struct i40e_aq_desc desc;
5448 	struct i40e_aqc_write_personalization_profile *cmd =
5449 		(struct i40e_aqc_write_personalization_profile *)
5450 		&desc.params.raw;
5451 	struct i40e_aqc_write_ddp_resp *resp;
5452 	int status;
5453 
5454 	i40e_fill_default_direct_cmd_desc(&desc,
5455 					  i40e_aqc_opc_write_personalization_profile);
5456 
5457 	desc.flags |= cpu_to_le16(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD);
5458 	if (buff_size > I40E_AQ_LARGE_BUF)
5459 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
5460 
5461 	desc.datalen = cpu_to_le16(buff_size);
5462 
5463 	cmd->profile_track_id = cpu_to_le32(track_id);
5464 
5465 	status = i40e_asq_send_command(hw, &desc, buff, buff_size, cmd_details);
5466 	if (!status) {
5467 		resp = (struct i40e_aqc_write_ddp_resp *)&desc.params.raw;
5468 		if (error_offset)
5469 			*error_offset = le32_to_cpu(resp->error_offset);
5470 		if (error_info)
5471 			*error_info = le32_to_cpu(resp->error_info);
5472 	}
5473 
5474 	return status;
5475 }
5476 
5477 /**
5478  * i40e_aq_get_ddp_list - Read dynamic device personalization (ddp)
5479  * @hw: pointer to the hw struct
5480  * @buff: command buffer (size in bytes = buff_size)
5481  * @buff_size: buffer size in bytes
5482  * @flags: AdminQ command flags
5483  * @cmd_details: pointer to command details structure or NULL
5484  **/
i40e_aq_get_ddp_list(struct i40e_hw * hw,void * buff,u16 buff_size,u8 flags,struct i40e_asq_cmd_details * cmd_details)5485 int i40e_aq_get_ddp_list(struct i40e_hw *hw, void *buff,
5486 			 u16 buff_size, u8 flags,
5487 			 struct i40e_asq_cmd_details *cmd_details)
5488 {
5489 	struct i40e_aq_desc desc;
5490 	struct i40e_aqc_get_applied_profiles *cmd =
5491 		(struct i40e_aqc_get_applied_profiles *)&desc.params.raw;
5492 	int status;
5493 
5494 	i40e_fill_default_direct_cmd_desc(&desc,
5495 					  i40e_aqc_opc_get_personalization_profile_list);
5496 
5497 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
5498 	if (buff_size > I40E_AQ_LARGE_BUF)
5499 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
5500 	desc.datalen = cpu_to_le16(buff_size);
5501 
5502 	cmd->flags = flags;
5503 
5504 	status = i40e_asq_send_command(hw, &desc, buff, buff_size, cmd_details);
5505 
5506 	return status;
5507 }
5508 
5509 /**
5510  * i40e_find_segment_in_package
5511  * @segment_type: the segment type to search for (i.e., SEGMENT_TYPE_I40E)
5512  * @pkg_hdr: pointer to the package header to be searched
5513  *
5514  * This function searches a package file for a particular segment type. On
5515  * success it returns a pointer to the segment header, otherwise it will
5516  * return NULL.
5517  **/
5518 struct i40e_generic_seg_header *
i40e_find_segment_in_package(u32 segment_type,struct i40e_package_header * pkg_hdr)5519 i40e_find_segment_in_package(u32 segment_type,
5520 			     struct i40e_package_header *pkg_hdr)
5521 {
5522 	struct i40e_generic_seg_header *segment;
5523 	u32 i;
5524 
5525 	/* Search all package segments for the requested segment type */
5526 	for (i = 0; i < pkg_hdr->segment_count; i++) {
5527 		segment =
5528 			(struct i40e_generic_seg_header *)((u8 *)pkg_hdr +
5529 			 pkg_hdr->segment_offset[i]);
5530 
5531 		if (segment->type == segment_type)
5532 			return segment;
5533 	}
5534 
5535 	return NULL;
5536 }
5537 
5538 /* Get section table in profile */
5539 #define I40E_SECTION_TABLE(profile, sec_tbl)				\
5540 	do {								\
5541 		struct i40e_profile_segment *p = (profile);		\
5542 		u32 count;						\
5543 		u32 *nvm;						\
5544 		count = p->device_table_count;				\
5545 		nvm = (u32 *)&p->device_table[count];			\
5546 		sec_tbl = (struct i40e_section_table *)&nvm[nvm[0] + 1]; \
5547 	} while (0)
5548 
5549 /* Get section header in profile */
5550 #define I40E_SECTION_HEADER(profile, offset)				\
5551 	(struct i40e_profile_section_header *)((u8 *)(profile) + (offset))
5552 
5553 /**
5554  * i40e_find_section_in_profile
5555  * @section_type: the section type to search for (i.e., SECTION_TYPE_NOTE)
5556  * @profile: pointer to the i40e segment header to be searched
5557  *
5558  * This function searches i40e segment for a particular section type. On
5559  * success it returns a pointer to the section header, otherwise it will
5560  * return NULL.
5561  **/
5562 struct i40e_profile_section_header *
i40e_find_section_in_profile(u32 section_type,struct i40e_profile_segment * profile)5563 i40e_find_section_in_profile(u32 section_type,
5564 			     struct i40e_profile_segment *profile)
5565 {
5566 	struct i40e_profile_section_header *sec;
5567 	struct i40e_section_table *sec_tbl;
5568 	u32 sec_off;
5569 	u32 i;
5570 
5571 	if (profile->header.type != SEGMENT_TYPE_I40E)
5572 		return NULL;
5573 
5574 	I40E_SECTION_TABLE(profile, sec_tbl);
5575 
5576 	for (i = 0; i < sec_tbl->section_count; i++) {
5577 		sec_off = sec_tbl->section_offset[i];
5578 		sec = I40E_SECTION_HEADER(profile, sec_off);
5579 		if (sec->section.type == section_type)
5580 			return sec;
5581 	}
5582 
5583 	return NULL;
5584 }
5585 
5586 /**
5587  * i40e_ddp_exec_aq_section - Execute generic AQ for DDP
5588  * @hw: pointer to the hw struct
5589  * @aq: command buffer containing all data to execute AQ
5590  **/
i40e_ddp_exec_aq_section(struct i40e_hw * hw,struct i40e_profile_aq_section * aq)5591 static int i40e_ddp_exec_aq_section(struct i40e_hw *hw,
5592 				    struct i40e_profile_aq_section *aq)
5593 {
5594 	struct i40e_aq_desc desc;
5595 	u8 *msg = NULL;
5596 	u16 msglen;
5597 	int status;
5598 
5599 	i40e_fill_default_direct_cmd_desc(&desc, aq->opcode);
5600 	desc.flags |= cpu_to_le16(aq->flags);
5601 	memcpy(desc.params.raw, aq->param, sizeof(desc.params.raw));
5602 
5603 	msglen = aq->datalen;
5604 	if (msglen) {
5605 		desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF |
5606 						I40E_AQ_FLAG_RD));
5607 		if (msglen > I40E_AQ_LARGE_BUF)
5608 			desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
5609 		desc.datalen = cpu_to_le16(msglen);
5610 		msg = &aq->data[0];
5611 	}
5612 
5613 	status = i40e_asq_send_command(hw, &desc, msg, msglen, NULL);
5614 
5615 	if (status) {
5616 		i40e_debug(hw, I40E_DEBUG_PACKAGE,
5617 			   "unable to exec DDP AQ opcode %u, error %d\n",
5618 			   aq->opcode, status);
5619 		return status;
5620 	}
5621 
5622 	/* copy returned desc to aq_buf */
5623 	memcpy(aq->param, desc.params.raw, sizeof(desc.params.raw));
5624 
5625 	return 0;
5626 }
5627 
5628 /**
5629  * i40e_validate_profile
5630  * @hw: pointer to the hardware structure
5631  * @profile: pointer to the profile segment of the package to be validated
5632  * @track_id: package tracking id
5633  * @rollback: flag if the profile is for rollback.
5634  *
5635  * Validates supported devices and profile's sections.
5636  */
5637 static int
i40e_validate_profile(struct i40e_hw * hw,struct i40e_profile_segment * profile,u32 track_id,bool rollback)5638 i40e_validate_profile(struct i40e_hw *hw, struct i40e_profile_segment *profile,
5639 		      u32 track_id, bool rollback)
5640 {
5641 	struct i40e_profile_section_header *sec = NULL;
5642 	struct i40e_section_table *sec_tbl;
5643 	u32 vendor_dev_id;
5644 	int status = 0;
5645 	u32 dev_cnt;
5646 	u32 sec_off;
5647 	u32 i;
5648 
5649 	if (track_id == I40E_DDP_TRACKID_INVALID) {
5650 		i40e_debug(hw, I40E_DEBUG_PACKAGE, "Invalid track_id\n");
5651 		return -EOPNOTSUPP;
5652 	}
5653 
5654 	dev_cnt = profile->device_table_count;
5655 	for (i = 0; i < dev_cnt; i++) {
5656 		vendor_dev_id = profile->device_table[i].vendor_dev_id;
5657 		if ((vendor_dev_id >> 16) == PCI_VENDOR_ID_INTEL &&
5658 		    hw->device_id == (vendor_dev_id & 0xFFFF))
5659 			break;
5660 	}
5661 	if (dev_cnt && i == dev_cnt) {
5662 		i40e_debug(hw, I40E_DEBUG_PACKAGE,
5663 			   "Device doesn't support DDP\n");
5664 		return -ENODEV;
5665 	}
5666 
5667 	I40E_SECTION_TABLE(profile, sec_tbl);
5668 
5669 	/* Validate sections types */
5670 	for (i = 0; i < sec_tbl->section_count; i++) {
5671 		sec_off = sec_tbl->section_offset[i];
5672 		sec = I40E_SECTION_HEADER(profile, sec_off);
5673 		if (rollback) {
5674 			if (sec->section.type == SECTION_TYPE_MMIO ||
5675 			    sec->section.type == SECTION_TYPE_AQ ||
5676 			    sec->section.type == SECTION_TYPE_RB_AQ) {
5677 				i40e_debug(hw, I40E_DEBUG_PACKAGE,
5678 					   "Not a roll-back package\n");
5679 				return -EOPNOTSUPP;
5680 			}
5681 		} else {
5682 			if (sec->section.type == SECTION_TYPE_RB_AQ ||
5683 			    sec->section.type == SECTION_TYPE_RB_MMIO) {
5684 				i40e_debug(hw, I40E_DEBUG_PACKAGE,
5685 					   "Not an original package\n");
5686 				return -EOPNOTSUPP;
5687 			}
5688 		}
5689 	}
5690 
5691 	return status;
5692 }
5693 
5694 /**
5695  * i40e_write_profile
5696  * @hw: pointer to the hardware structure
5697  * @profile: pointer to the profile segment of the package to be downloaded
5698  * @track_id: package tracking id
5699  *
5700  * Handles the download of a complete package.
5701  */
5702 int
i40e_write_profile(struct i40e_hw * hw,struct i40e_profile_segment * profile,u32 track_id)5703 i40e_write_profile(struct i40e_hw *hw, struct i40e_profile_segment *profile,
5704 		   u32 track_id)
5705 {
5706 	struct i40e_profile_section_header *sec = NULL;
5707 	struct i40e_profile_aq_section *ddp_aq;
5708 	struct i40e_section_table *sec_tbl;
5709 	u32 offset = 0, info = 0;
5710 	u32 section_size = 0;
5711 	int status = 0;
5712 	u32 sec_off;
5713 	u32 i;
5714 
5715 	status = i40e_validate_profile(hw, profile, track_id, false);
5716 	if (status)
5717 		return status;
5718 
5719 	I40E_SECTION_TABLE(profile, sec_tbl);
5720 
5721 	for (i = 0; i < sec_tbl->section_count; i++) {
5722 		sec_off = sec_tbl->section_offset[i];
5723 		sec = I40E_SECTION_HEADER(profile, sec_off);
5724 		/* Process generic admin command */
5725 		if (sec->section.type == SECTION_TYPE_AQ) {
5726 			ddp_aq = (struct i40e_profile_aq_section *)&sec[1];
5727 			status = i40e_ddp_exec_aq_section(hw, ddp_aq);
5728 			if (status) {
5729 				i40e_debug(hw, I40E_DEBUG_PACKAGE,
5730 					   "Failed to execute aq: section %d, opcode %u\n",
5731 					   i, ddp_aq->opcode);
5732 				break;
5733 			}
5734 			sec->section.type = SECTION_TYPE_RB_AQ;
5735 		}
5736 
5737 		/* Skip any non-mmio sections */
5738 		if (sec->section.type != SECTION_TYPE_MMIO)
5739 			continue;
5740 
5741 		section_size = sec->section.size +
5742 			sizeof(struct i40e_profile_section_header);
5743 
5744 		/* Write MMIO section */
5745 		status = i40e_aq_write_ddp(hw, (void *)sec, (u16)section_size,
5746 					   track_id, &offset, &info, NULL);
5747 		if (status) {
5748 			i40e_debug(hw, I40E_DEBUG_PACKAGE,
5749 				   "Failed to write profile: section %d, offset %d, info %d\n",
5750 				   i, offset, info);
5751 			break;
5752 		}
5753 	}
5754 	return status;
5755 }
5756 
5757 /**
5758  * i40e_rollback_profile
5759  * @hw: pointer to the hardware structure
5760  * @profile: pointer to the profile segment of the package to be removed
5761  * @track_id: package tracking id
5762  *
5763  * Rolls back previously loaded package.
5764  */
5765 int
i40e_rollback_profile(struct i40e_hw * hw,struct i40e_profile_segment * profile,u32 track_id)5766 i40e_rollback_profile(struct i40e_hw *hw, struct i40e_profile_segment *profile,
5767 		      u32 track_id)
5768 {
5769 	struct i40e_profile_section_header *sec = NULL;
5770 	struct i40e_section_table *sec_tbl;
5771 	u32 offset = 0, info = 0;
5772 	u32 section_size = 0;
5773 	int status = 0;
5774 	u32 sec_off;
5775 	int i;
5776 
5777 	status = i40e_validate_profile(hw, profile, track_id, true);
5778 	if (status)
5779 		return status;
5780 
5781 	I40E_SECTION_TABLE(profile, sec_tbl);
5782 
5783 	/* For rollback write sections in reverse */
5784 	for (i = sec_tbl->section_count - 1; i >= 0; i--) {
5785 		sec_off = sec_tbl->section_offset[i];
5786 		sec = I40E_SECTION_HEADER(profile, sec_off);
5787 
5788 		/* Skip any non-rollback sections */
5789 		if (sec->section.type != SECTION_TYPE_RB_MMIO)
5790 			continue;
5791 
5792 		section_size = sec->section.size +
5793 			sizeof(struct i40e_profile_section_header);
5794 
5795 		/* Write roll-back MMIO section */
5796 		status = i40e_aq_write_ddp(hw, (void *)sec, (u16)section_size,
5797 					   track_id, &offset, &info, NULL);
5798 		if (status) {
5799 			i40e_debug(hw, I40E_DEBUG_PACKAGE,
5800 				   "Failed to write profile: section %d, offset %d, info %d\n",
5801 				   i, offset, info);
5802 			break;
5803 		}
5804 	}
5805 	return status;
5806 }
5807 
5808 /**
5809  * i40e_add_pinfo_to_list
5810  * @hw: pointer to the hardware structure
5811  * @profile: pointer to the profile segment of the package
5812  * @profile_info_sec: buffer for information section
5813  * @track_id: package tracking id
5814  *
5815  * Register a profile to the list of loaded profiles.
5816  */
5817 int
i40e_add_pinfo_to_list(struct i40e_hw * hw,struct i40e_profile_segment * profile,u8 * profile_info_sec,u32 track_id)5818 i40e_add_pinfo_to_list(struct i40e_hw *hw,
5819 		       struct i40e_profile_segment *profile,
5820 		       u8 *profile_info_sec, u32 track_id)
5821 {
5822 	struct i40e_profile_section_header *sec = NULL;
5823 	struct i40e_profile_info *pinfo;
5824 	u32 offset = 0, info = 0;
5825 	int status = 0;
5826 
5827 	sec = (struct i40e_profile_section_header *)profile_info_sec;
5828 	sec->tbl_size = 1;
5829 	sec->data_end = sizeof(struct i40e_profile_section_header) +
5830 			sizeof(struct i40e_profile_info);
5831 	sec->section.type = SECTION_TYPE_INFO;
5832 	sec->section.offset = sizeof(struct i40e_profile_section_header);
5833 	sec->section.size = sizeof(struct i40e_profile_info);
5834 	pinfo = (struct i40e_profile_info *)(profile_info_sec +
5835 					     sec->section.offset);
5836 	pinfo->track_id = track_id;
5837 	pinfo->version = profile->version;
5838 	pinfo->op = I40E_DDP_ADD_TRACKID;
5839 	memcpy(pinfo->name, profile->name, I40E_DDP_NAME_SIZE);
5840 
5841 	status = i40e_aq_write_ddp(hw, (void *)sec, sec->data_end,
5842 				   track_id, &offset, &info, NULL);
5843 
5844 	return status;
5845 }
5846 
5847 /**
5848  * i40e_aq_add_cloud_filters
5849  * @hw: pointer to the hardware structure
5850  * @seid: VSI seid to add cloud filters from
5851  * @filters: Buffer which contains the filters to be added
5852  * @filter_count: number of filters contained in the buffer
5853  *
5854  * Set the cloud filters for a given VSI.  The contents of the
5855  * i40e_aqc_cloud_filters_element_data are filled in by the caller
5856  * of the function.
5857  *
5858  **/
5859 int
i40e_aq_add_cloud_filters(struct i40e_hw * hw,u16 seid,struct i40e_aqc_cloud_filters_element_data * filters,u8 filter_count)5860 i40e_aq_add_cloud_filters(struct i40e_hw *hw, u16 seid,
5861 			  struct i40e_aqc_cloud_filters_element_data *filters,
5862 			  u8 filter_count)
5863 {
5864 	struct i40e_aq_desc desc;
5865 	struct i40e_aqc_add_remove_cloud_filters *cmd =
5866 	(struct i40e_aqc_add_remove_cloud_filters *)&desc.params.raw;
5867 	u16 buff_len;
5868 	int status;
5869 
5870 	i40e_fill_default_direct_cmd_desc(&desc,
5871 					  i40e_aqc_opc_add_cloud_filters);
5872 
5873 	buff_len = filter_count * sizeof(*filters);
5874 	desc.datalen = cpu_to_le16(buff_len);
5875 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
5876 	cmd->num_filters = filter_count;
5877 	cmd->seid = cpu_to_le16(seid);
5878 
5879 	status = i40e_asq_send_command(hw, &desc, filters, buff_len, NULL);
5880 
5881 	return status;
5882 }
5883 
5884 /**
5885  * i40e_aq_add_cloud_filters_bb
5886  * @hw: pointer to the hardware structure
5887  * @seid: VSI seid to add cloud filters from
5888  * @filters: Buffer which contains the filters in big buffer to be added
5889  * @filter_count: number of filters contained in the buffer
5890  *
5891  * Set the big buffer cloud filters for a given VSI.  The contents of the
5892  * i40e_aqc_cloud_filters_element_bb are filled in by the caller of the
5893  * function.
5894  *
5895  **/
5896 int
i40e_aq_add_cloud_filters_bb(struct i40e_hw * hw,u16 seid,struct i40e_aqc_cloud_filters_element_bb * filters,u8 filter_count)5897 i40e_aq_add_cloud_filters_bb(struct i40e_hw *hw, u16 seid,
5898 			     struct i40e_aqc_cloud_filters_element_bb *filters,
5899 			     u8 filter_count)
5900 {
5901 	struct i40e_aq_desc desc;
5902 	struct i40e_aqc_add_remove_cloud_filters *cmd =
5903 	(struct i40e_aqc_add_remove_cloud_filters *)&desc.params.raw;
5904 	u16 buff_len;
5905 	int status;
5906 	int i;
5907 
5908 	i40e_fill_default_direct_cmd_desc(&desc,
5909 					  i40e_aqc_opc_add_cloud_filters);
5910 
5911 	buff_len = filter_count * sizeof(*filters);
5912 	desc.datalen = cpu_to_le16(buff_len);
5913 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
5914 	cmd->num_filters = filter_count;
5915 	cmd->seid = cpu_to_le16(seid);
5916 	cmd->big_buffer_flag = I40E_AQC_ADD_CLOUD_CMD_BB;
5917 
5918 	for (i = 0; i < filter_count; i++) {
5919 		u16 tnl_type;
5920 		u32 ti;
5921 
5922 		tnl_type = (le16_to_cpu(filters[i].element.flags) &
5923 			   I40E_AQC_ADD_CLOUD_TNL_TYPE_MASK) >>
5924 			   I40E_AQC_ADD_CLOUD_TNL_TYPE_SHIFT;
5925 
5926 		/* Due to hardware eccentricities, the VNI for Geneve is shifted
5927 		 * one more byte further than normally used for Tenant ID in
5928 		 * other tunnel types.
5929 		 */
5930 		if (tnl_type == I40E_AQC_ADD_CLOUD_TNL_TYPE_GENEVE) {
5931 			ti = le32_to_cpu(filters[i].element.tenant_id);
5932 			filters[i].element.tenant_id = cpu_to_le32(ti << 8);
5933 		}
5934 	}
5935 
5936 	status = i40e_asq_send_command(hw, &desc, filters, buff_len, NULL);
5937 
5938 	return status;
5939 }
5940 
5941 /**
5942  * i40e_aq_rem_cloud_filters
5943  * @hw: pointer to the hardware structure
5944  * @seid: VSI seid to remove cloud filters from
5945  * @filters: Buffer which contains the filters to be removed
5946  * @filter_count: number of filters contained in the buffer
5947  *
5948  * Remove the cloud filters for a given VSI.  The contents of the
5949  * i40e_aqc_cloud_filters_element_data are filled in by the caller
5950  * of the function.
5951  *
5952  **/
5953 int
i40e_aq_rem_cloud_filters(struct i40e_hw * hw,u16 seid,struct i40e_aqc_cloud_filters_element_data * filters,u8 filter_count)5954 i40e_aq_rem_cloud_filters(struct i40e_hw *hw, u16 seid,
5955 			  struct i40e_aqc_cloud_filters_element_data *filters,
5956 			  u8 filter_count)
5957 {
5958 	struct i40e_aq_desc desc;
5959 	struct i40e_aqc_add_remove_cloud_filters *cmd =
5960 	(struct i40e_aqc_add_remove_cloud_filters *)&desc.params.raw;
5961 	u16 buff_len;
5962 	int status;
5963 
5964 	i40e_fill_default_direct_cmd_desc(&desc,
5965 					  i40e_aqc_opc_remove_cloud_filters);
5966 
5967 	buff_len = filter_count * sizeof(*filters);
5968 	desc.datalen = cpu_to_le16(buff_len);
5969 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
5970 	cmd->num_filters = filter_count;
5971 	cmd->seid = cpu_to_le16(seid);
5972 
5973 	status = i40e_asq_send_command(hw, &desc, filters, buff_len, NULL);
5974 
5975 	return status;
5976 }
5977 
5978 /**
5979  * i40e_aq_rem_cloud_filters_bb
5980  * @hw: pointer to the hardware structure
5981  * @seid: VSI seid to remove cloud filters from
5982  * @filters: Buffer which contains the filters in big buffer to be removed
5983  * @filter_count: number of filters contained in the buffer
5984  *
5985  * Remove the big buffer cloud filters for a given VSI.  The contents of the
5986  * i40e_aqc_cloud_filters_element_bb are filled in by the caller of the
5987  * function.
5988  *
5989  **/
5990 int
i40e_aq_rem_cloud_filters_bb(struct i40e_hw * hw,u16 seid,struct i40e_aqc_cloud_filters_element_bb * filters,u8 filter_count)5991 i40e_aq_rem_cloud_filters_bb(struct i40e_hw *hw, u16 seid,
5992 			     struct i40e_aqc_cloud_filters_element_bb *filters,
5993 			     u8 filter_count)
5994 {
5995 	struct i40e_aq_desc desc;
5996 	struct i40e_aqc_add_remove_cloud_filters *cmd =
5997 	(struct i40e_aqc_add_remove_cloud_filters *)&desc.params.raw;
5998 	u16 buff_len;
5999 	int status;
6000 	int i;
6001 
6002 	i40e_fill_default_direct_cmd_desc(&desc,
6003 					  i40e_aqc_opc_remove_cloud_filters);
6004 
6005 	buff_len = filter_count * sizeof(*filters);
6006 	desc.datalen = cpu_to_le16(buff_len);
6007 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
6008 	cmd->num_filters = filter_count;
6009 	cmd->seid = cpu_to_le16(seid);
6010 	cmd->big_buffer_flag = I40E_AQC_ADD_CLOUD_CMD_BB;
6011 
6012 	for (i = 0; i < filter_count; i++) {
6013 		u16 tnl_type;
6014 		u32 ti;
6015 
6016 		tnl_type = (le16_to_cpu(filters[i].element.flags) &
6017 			   I40E_AQC_ADD_CLOUD_TNL_TYPE_MASK) >>
6018 			   I40E_AQC_ADD_CLOUD_TNL_TYPE_SHIFT;
6019 
6020 		/* Due to hardware eccentricities, the VNI for Geneve is shifted
6021 		 * one more byte further than normally used for Tenant ID in
6022 		 * other tunnel types.
6023 		 */
6024 		if (tnl_type == I40E_AQC_ADD_CLOUD_TNL_TYPE_GENEVE) {
6025 			ti = le32_to_cpu(filters[i].element.tenant_id);
6026 			filters[i].element.tenant_id = cpu_to_le32(ti << 8);
6027 		}
6028 	}
6029 
6030 	status = i40e_asq_send_command(hw, &desc, filters, buff_len, NULL);
6031 
6032 	return status;
6033 }
6034