xref: /openbmc/linux/drivers/net/ethernet/intel/i40e/i40e_common.c (revision af9b2ff010f593d81e2f5fb04155e9fc25b9dfd0)
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 	s32 num_pf_int;
1071 	s32 num_vf_int;
1072 	u32 num_vfs;
1073 	s32 i;
1074 	u32 j;
1075 	u32 val;
1076 	u32 eol = 0x7ff;
1077 
1078 	/* get number of interrupts, queues, and VFs */
1079 	val = rd32(hw, I40E_GLPCI_CNF2);
1080 	num_pf_int = (val & I40E_GLPCI_CNF2_MSI_X_PF_N_MASK) >>
1081 		     I40E_GLPCI_CNF2_MSI_X_PF_N_SHIFT;
1082 	num_vf_int = (val & I40E_GLPCI_CNF2_MSI_X_VF_N_MASK) >>
1083 		     I40E_GLPCI_CNF2_MSI_X_VF_N_SHIFT;
1084 
1085 	val = rd32(hw, I40E_PFLAN_QALLOC);
1086 	base_queue = (val & I40E_PFLAN_QALLOC_FIRSTQ_MASK) >>
1087 		     I40E_PFLAN_QALLOC_FIRSTQ_SHIFT;
1088 	j = (val & I40E_PFLAN_QALLOC_LASTQ_MASK) >>
1089 	    I40E_PFLAN_QALLOC_LASTQ_SHIFT;
1090 	if (val & I40E_PFLAN_QALLOC_VALID_MASK && j >= base_queue)
1091 		num_queues = (j - base_queue) + 1;
1092 	else
1093 		num_queues = 0;
1094 
1095 	val = rd32(hw, I40E_PF_VT_PFALLOC);
1096 	i = (val & I40E_PF_VT_PFALLOC_FIRSTVF_MASK) >>
1097 	    I40E_PF_VT_PFALLOC_FIRSTVF_SHIFT;
1098 	j = (val & I40E_PF_VT_PFALLOC_LASTVF_MASK) >>
1099 	    I40E_PF_VT_PFALLOC_LASTVF_SHIFT;
1100 	if (val & I40E_PF_VT_PFALLOC_VALID_MASK && j >= i)
1101 		num_vfs = (j - i) + 1;
1102 	else
1103 		num_vfs = 0;
1104 
1105 	/* stop all the interrupts */
1106 	wr32(hw, I40E_PFINT_ICR0_ENA, 0);
1107 	val = 0x3 << I40E_PFINT_DYN_CTLN_ITR_INDX_SHIFT;
1108 	for (i = 0; i < num_pf_int - 2; i++)
1109 		wr32(hw, I40E_PFINT_DYN_CTLN(i), val);
1110 
1111 	/* Set the FIRSTQ_INDX field to 0x7FF in PFINT_LNKLSTx */
1112 	val = eol << I40E_PFINT_LNKLST0_FIRSTQ_INDX_SHIFT;
1113 	wr32(hw, I40E_PFINT_LNKLST0, val);
1114 	for (i = 0; i < num_pf_int - 2; i++)
1115 		wr32(hw, I40E_PFINT_LNKLSTN(i), val);
1116 	val = eol << I40E_VPINT_LNKLST0_FIRSTQ_INDX_SHIFT;
1117 	for (i = 0; i < num_vfs; i++)
1118 		wr32(hw, I40E_VPINT_LNKLST0(i), val);
1119 	for (i = 0; i < num_vf_int - 2; i++)
1120 		wr32(hw, I40E_VPINT_LNKLSTN(i), val);
1121 
1122 	/* warn the HW of the coming Tx disables */
1123 	for (i = 0; i < num_queues; i++) {
1124 		u32 abs_queue_idx = base_queue + i;
1125 		u32 reg_block = 0;
1126 
1127 		if (abs_queue_idx >= 128) {
1128 			reg_block = abs_queue_idx / 128;
1129 			abs_queue_idx %= 128;
1130 		}
1131 
1132 		val = rd32(hw, I40E_GLLAN_TXPRE_QDIS(reg_block));
1133 		val &= ~I40E_GLLAN_TXPRE_QDIS_QINDX_MASK;
1134 		val |= (abs_queue_idx << I40E_GLLAN_TXPRE_QDIS_QINDX_SHIFT);
1135 		val |= I40E_GLLAN_TXPRE_QDIS_SET_QDIS_MASK;
1136 
1137 		wr32(hw, I40E_GLLAN_TXPRE_QDIS(reg_block), val);
1138 	}
1139 	udelay(400);
1140 
1141 	/* stop all the queues */
1142 	for (i = 0; i < num_queues; i++) {
1143 		wr32(hw, I40E_QINT_TQCTL(i), 0);
1144 		wr32(hw, I40E_QTX_ENA(i), 0);
1145 		wr32(hw, I40E_QINT_RQCTL(i), 0);
1146 		wr32(hw, I40E_QRX_ENA(i), 0);
1147 	}
1148 
1149 	/* short wait for all queue disables to settle */
1150 	udelay(50);
1151 }
1152 
1153 /**
1154  * i40e_clear_pxe_mode - clear pxe operations mode
1155  * @hw: pointer to the hw struct
1156  *
1157  * Make sure all PXE mode settings are cleared, including things
1158  * like descriptor fetch/write-back mode.
1159  **/
i40e_clear_pxe_mode(struct i40e_hw * hw)1160 void i40e_clear_pxe_mode(struct i40e_hw *hw)
1161 {
1162 	u32 reg;
1163 
1164 	if (i40e_check_asq_alive(hw))
1165 		i40e_aq_clear_pxe_mode(hw, NULL);
1166 
1167 	/* Clear single descriptor fetch/write-back mode */
1168 	reg = rd32(hw, I40E_GLLAN_RCTL_0);
1169 
1170 	if (hw->revision_id == 0) {
1171 		/* As a work around clear PXE_MODE instead of setting it */
1172 		wr32(hw, I40E_GLLAN_RCTL_0, (reg & (~I40E_GLLAN_RCTL_0_PXE_MODE_MASK)));
1173 	} else {
1174 		wr32(hw, I40E_GLLAN_RCTL_0, (reg | I40E_GLLAN_RCTL_0_PXE_MODE_MASK));
1175 	}
1176 }
1177 
1178 /**
1179  * i40e_led_is_mine - helper to find matching led
1180  * @hw: pointer to the hw struct
1181  * @idx: index into GPIO registers
1182  *
1183  * returns: 0 if no match, otherwise the value of the GPIO_CTL register
1184  */
i40e_led_is_mine(struct i40e_hw * hw,int idx)1185 static u32 i40e_led_is_mine(struct i40e_hw *hw, int idx)
1186 {
1187 	u32 gpio_val = 0;
1188 	u32 port;
1189 
1190 	if (!I40E_IS_X710TL_DEVICE(hw->device_id) &&
1191 	    !hw->func_caps.led[idx])
1192 		return 0;
1193 	gpio_val = rd32(hw, I40E_GLGEN_GPIO_CTL(idx));
1194 	port = (gpio_val & I40E_GLGEN_GPIO_CTL_PRT_NUM_MASK) >>
1195 		I40E_GLGEN_GPIO_CTL_PRT_NUM_SHIFT;
1196 
1197 	/* if PRT_NUM_NA is 1 then this LED is not port specific, OR
1198 	 * if it is not our port then ignore
1199 	 */
1200 	if ((gpio_val & I40E_GLGEN_GPIO_CTL_PRT_NUM_NA_MASK) ||
1201 	    (port != hw->port))
1202 		return 0;
1203 
1204 	return gpio_val;
1205 }
1206 
1207 #define I40E_FW_LED BIT(4)
1208 #define I40E_LED_MODE_VALID (I40E_GLGEN_GPIO_CTL_LED_MODE_MASK >> \
1209 			     I40E_GLGEN_GPIO_CTL_LED_MODE_SHIFT)
1210 
1211 #define I40E_LED0 22
1212 
1213 #define I40E_PIN_FUNC_SDP 0x0
1214 #define I40E_PIN_FUNC_LED 0x1
1215 
1216 /**
1217  * i40e_led_get - return current on/off mode
1218  * @hw: pointer to the hw struct
1219  *
1220  * The value returned is the 'mode' field as defined in the
1221  * GPIO register definitions: 0x0 = off, 0xf = on, and other
1222  * values are variations of possible behaviors relating to
1223  * blink, link, and wire.
1224  **/
i40e_led_get(struct i40e_hw * hw)1225 u32 i40e_led_get(struct i40e_hw *hw)
1226 {
1227 	u32 mode = 0;
1228 	int i;
1229 
1230 	/* as per the documentation GPIO 22-29 are the LED
1231 	 * GPIO pins named LED0..LED7
1232 	 */
1233 	for (i = I40E_LED0; i <= I40E_GLGEN_GPIO_CTL_MAX_INDEX; i++) {
1234 		u32 gpio_val = i40e_led_is_mine(hw, i);
1235 
1236 		if (!gpio_val)
1237 			continue;
1238 
1239 		mode = (gpio_val & I40E_GLGEN_GPIO_CTL_LED_MODE_MASK) >>
1240 			I40E_GLGEN_GPIO_CTL_LED_MODE_SHIFT;
1241 		break;
1242 	}
1243 
1244 	return mode;
1245 }
1246 
1247 /**
1248  * i40e_led_set - set new on/off mode
1249  * @hw: pointer to the hw struct
1250  * @mode: 0=off, 0xf=on (else see manual for mode details)
1251  * @blink: true if the LED should blink when on, false if steady
1252  *
1253  * if this function is used to turn on the blink it should
1254  * be used to disable the blink when restoring the original state.
1255  **/
i40e_led_set(struct i40e_hw * hw,u32 mode,bool blink)1256 void i40e_led_set(struct i40e_hw *hw, u32 mode, bool blink)
1257 {
1258 	int i;
1259 
1260 	if (mode & ~I40E_LED_MODE_VALID) {
1261 		hw_dbg(hw, "invalid mode passed in %X\n", mode);
1262 		return;
1263 	}
1264 
1265 	/* as per the documentation GPIO 22-29 are the LED
1266 	 * GPIO pins named LED0..LED7
1267 	 */
1268 	for (i = I40E_LED0; i <= I40E_GLGEN_GPIO_CTL_MAX_INDEX; i++) {
1269 		u32 gpio_val = i40e_led_is_mine(hw, i);
1270 
1271 		if (!gpio_val)
1272 			continue;
1273 
1274 		if (I40E_IS_X710TL_DEVICE(hw->device_id)) {
1275 			u32 pin_func = 0;
1276 
1277 			if (mode & I40E_FW_LED)
1278 				pin_func = I40E_PIN_FUNC_SDP;
1279 			else
1280 				pin_func = I40E_PIN_FUNC_LED;
1281 
1282 			gpio_val &= ~I40E_GLGEN_GPIO_CTL_PIN_FUNC_MASK;
1283 			gpio_val |= ((pin_func <<
1284 				     I40E_GLGEN_GPIO_CTL_PIN_FUNC_SHIFT) &
1285 				     I40E_GLGEN_GPIO_CTL_PIN_FUNC_MASK);
1286 		}
1287 		gpio_val &= ~I40E_GLGEN_GPIO_CTL_LED_MODE_MASK;
1288 		/* this & is a bit of paranoia, but serves as a range check */
1289 		gpio_val |= ((mode << I40E_GLGEN_GPIO_CTL_LED_MODE_SHIFT) &
1290 			     I40E_GLGEN_GPIO_CTL_LED_MODE_MASK);
1291 
1292 		if (blink)
1293 			gpio_val |= BIT(I40E_GLGEN_GPIO_CTL_LED_BLINK_SHIFT);
1294 		else
1295 			gpio_val &= ~BIT(I40E_GLGEN_GPIO_CTL_LED_BLINK_SHIFT);
1296 
1297 		wr32(hw, I40E_GLGEN_GPIO_CTL(i), gpio_val);
1298 		break;
1299 	}
1300 }
1301 
1302 /* Admin command wrappers */
1303 
1304 /**
1305  * i40e_aq_get_phy_capabilities
1306  * @hw: pointer to the hw struct
1307  * @abilities: structure for PHY capabilities to be filled
1308  * @qualified_modules: report Qualified Modules
1309  * @report_init: report init capabilities (active are default)
1310  * @cmd_details: pointer to command details structure or NULL
1311  *
1312  * Returns the various PHY abilities supported on the Port.
1313  **/
1314 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)1315 i40e_aq_get_phy_capabilities(struct i40e_hw *hw,
1316 			     bool qualified_modules, bool report_init,
1317 			     struct i40e_aq_get_phy_abilities_resp *abilities,
1318 			     struct i40e_asq_cmd_details *cmd_details)
1319 {
1320 	u16 abilities_size = sizeof(struct i40e_aq_get_phy_abilities_resp);
1321 	u16 max_delay = I40E_MAX_PHY_TIMEOUT, total_delay = 0;
1322 	struct i40e_aq_desc desc;
1323 	int status;
1324 
1325 	if (!abilities)
1326 		return -EINVAL;
1327 
1328 	do {
1329 		i40e_fill_default_direct_cmd_desc(&desc,
1330 					       i40e_aqc_opc_get_phy_abilities);
1331 
1332 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
1333 		if (abilities_size > I40E_AQ_LARGE_BUF)
1334 			desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
1335 
1336 		if (qualified_modules)
1337 			desc.params.external.param0 |=
1338 			cpu_to_le32(I40E_AQ_PHY_REPORT_QUALIFIED_MODULES);
1339 
1340 		if (report_init)
1341 			desc.params.external.param0 |=
1342 			cpu_to_le32(I40E_AQ_PHY_REPORT_INITIAL_VALUES);
1343 
1344 		status = i40e_asq_send_command(hw, &desc, abilities,
1345 					       abilities_size, cmd_details);
1346 
1347 		switch (hw->aq.asq_last_status) {
1348 		case I40E_AQ_RC_EIO:
1349 			status = -EIO;
1350 			break;
1351 		case I40E_AQ_RC_EAGAIN:
1352 			usleep_range(1000, 2000);
1353 			total_delay++;
1354 			status = -EIO;
1355 			break;
1356 		/* also covers I40E_AQ_RC_OK */
1357 		default:
1358 			break;
1359 		}
1360 
1361 	} while ((hw->aq.asq_last_status == I40E_AQ_RC_EAGAIN) &&
1362 		(total_delay < max_delay));
1363 
1364 	if (status)
1365 		return status;
1366 
1367 	if (report_init) {
1368 		if (hw->mac.type ==  I40E_MAC_XL710 &&
1369 		    hw->aq.api_maj_ver == I40E_FW_API_VERSION_MAJOR &&
1370 		    hw->aq.api_min_ver >= I40E_MINOR_VER_GET_LINK_INFO_XL710) {
1371 			status = i40e_aq_get_link_info(hw, true, NULL, NULL);
1372 		} else {
1373 			hw->phy.phy_types = le32_to_cpu(abilities->phy_type);
1374 			hw->phy.phy_types |=
1375 					((u64)abilities->phy_type_ext << 32);
1376 		}
1377 	}
1378 
1379 	return status;
1380 }
1381 
1382 /**
1383  * i40e_aq_set_phy_config
1384  * @hw: pointer to the hw struct
1385  * @config: structure with PHY configuration to be set
1386  * @cmd_details: pointer to command details structure or NULL
1387  *
1388  * Set the various PHY configuration parameters
1389  * supported on the Port.One or more of the Set PHY config parameters may be
1390  * ignored in an MFP mode as the PF may not have the privilege to set some
1391  * of the PHY Config parameters. This status will be indicated by the
1392  * command response.
1393  **/
i40e_aq_set_phy_config(struct i40e_hw * hw,struct i40e_aq_set_phy_config * config,struct i40e_asq_cmd_details * cmd_details)1394 int i40e_aq_set_phy_config(struct i40e_hw *hw,
1395 			   struct i40e_aq_set_phy_config *config,
1396 			   struct i40e_asq_cmd_details *cmd_details)
1397 {
1398 	struct i40e_aq_desc desc;
1399 	struct i40e_aq_set_phy_config *cmd =
1400 			(struct i40e_aq_set_phy_config *)&desc.params.raw;
1401 	int status;
1402 
1403 	if (!config)
1404 		return -EINVAL;
1405 
1406 	i40e_fill_default_direct_cmd_desc(&desc,
1407 					  i40e_aqc_opc_set_phy_config);
1408 
1409 	*cmd = *config;
1410 
1411 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1412 
1413 	return status;
1414 }
1415 
1416 static noinline_for_stack int
i40e_set_fc_status(struct i40e_hw * hw,struct i40e_aq_get_phy_abilities_resp * abilities,bool atomic_restart)1417 i40e_set_fc_status(struct i40e_hw *hw,
1418 		   struct i40e_aq_get_phy_abilities_resp *abilities,
1419 		   bool atomic_restart)
1420 {
1421 	struct i40e_aq_set_phy_config config;
1422 	enum i40e_fc_mode fc_mode = hw->fc.requested_mode;
1423 	u8 pause_mask = 0x0;
1424 
1425 	switch (fc_mode) {
1426 	case I40E_FC_FULL:
1427 		pause_mask |= I40E_AQ_PHY_FLAG_PAUSE_TX;
1428 		pause_mask |= I40E_AQ_PHY_FLAG_PAUSE_RX;
1429 		break;
1430 	case I40E_FC_RX_PAUSE:
1431 		pause_mask |= I40E_AQ_PHY_FLAG_PAUSE_RX;
1432 		break;
1433 	case I40E_FC_TX_PAUSE:
1434 		pause_mask |= I40E_AQ_PHY_FLAG_PAUSE_TX;
1435 		break;
1436 	default:
1437 		break;
1438 	}
1439 
1440 	memset(&config, 0, sizeof(struct i40e_aq_set_phy_config));
1441 	/* clear the old pause settings */
1442 	config.abilities = abilities->abilities & ~(I40E_AQ_PHY_FLAG_PAUSE_TX) &
1443 			   ~(I40E_AQ_PHY_FLAG_PAUSE_RX);
1444 	/* set the new abilities */
1445 	config.abilities |= pause_mask;
1446 	/* If the abilities have changed, then set the new config */
1447 	if (config.abilities == abilities->abilities)
1448 		return 0;
1449 
1450 	/* Auto restart link so settings take effect */
1451 	if (atomic_restart)
1452 		config.abilities |= I40E_AQ_PHY_ENABLE_ATOMIC_LINK;
1453 	/* Copy over all the old settings */
1454 	config.phy_type = abilities->phy_type;
1455 	config.phy_type_ext = abilities->phy_type_ext;
1456 	config.link_speed = abilities->link_speed;
1457 	config.eee_capability = abilities->eee_capability;
1458 	config.eeer = abilities->eeer_val;
1459 	config.low_power_ctrl = abilities->d3_lpan;
1460 	config.fec_config = abilities->fec_cfg_curr_mod_ext_info &
1461 			    I40E_AQ_PHY_FEC_CONFIG_MASK;
1462 
1463 	return i40e_aq_set_phy_config(hw, &config, NULL);
1464 }
1465 
1466 /**
1467  * i40e_set_fc
1468  * @hw: pointer to the hw struct
1469  * @aq_failures: buffer to return AdminQ failure information
1470  * @atomic_restart: whether to enable atomic link restart
1471  *
1472  * Set the requested flow control mode using set_phy_config.
1473  **/
i40e_set_fc(struct i40e_hw * hw,u8 * aq_failures,bool atomic_restart)1474 int i40e_set_fc(struct i40e_hw *hw, u8 *aq_failures,
1475 		bool atomic_restart)
1476 {
1477 	struct i40e_aq_get_phy_abilities_resp abilities;
1478 	int status;
1479 
1480 	*aq_failures = 0x0;
1481 
1482 	/* Get the current phy config */
1483 	status = i40e_aq_get_phy_capabilities(hw, false, false, &abilities,
1484 					      NULL);
1485 	if (status) {
1486 		*aq_failures |= I40E_SET_FC_AQ_FAIL_GET;
1487 		return status;
1488 	}
1489 
1490 	status = i40e_set_fc_status(hw, &abilities, atomic_restart);
1491 	if (status)
1492 		*aq_failures |= I40E_SET_FC_AQ_FAIL_SET;
1493 
1494 	/* Update the link info */
1495 	status = i40e_update_link_info(hw);
1496 	if (status) {
1497 		/* Wait a little bit (on 40G cards it sometimes takes a really
1498 		 * long time for link to come back from the atomic reset)
1499 		 * and try once more
1500 		 */
1501 		msleep(1000);
1502 		status = i40e_update_link_info(hw);
1503 	}
1504 	if (status)
1505 		*aq_failures |= I40E_SET_FC_AQ_FAIL_UPDATE;
1506 
1507 	return status;
1508 }
1509 
1510 /**
1511  * i40e_aq_clear_pxe_mode
1512  * @hw: pointer to the hw struct
1513  * @cmd_details: pointer to command details structure or NULL
1514  *
1515  * Tell the firmware that the driver is taking over from PXE
1516  **/
i40e_aq_clear_pxe_mode(struct i40e_hw * hw,struct i40e_asq_cmd_details * cmd_details)1517 int i40e_aq_clear_pxe_mode(struct i40e_hw *hw,
1518 			   struct i40e_asq_cmd_details *cmd_details)
1519 {
1520 	struct i40e_aq_desc desc;
1521 	struct i40e_aqc_clear_pxe *cmd =
1522 		(struct i40e_aqc_clear_pxe *)&desc.params.raw;
1523 	int status;
1524 
1525 	i40e_fill_default_direct_cmd_desc(&desc,
1526 					  i40e_aqc_opc_clear_pxe_mode);
1527 
1528 	cmd->rx_cnt = 0x2;
1529 
1530 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1531 
1532 	wr32(hw, I40E_GLLAN_RCTL_0, 0x1);
1533 
1534 	return status;
1535 }
1536 
1537 /**
1538  * i40e_aq_set_link_restart_an
1539  * @hw: pointer to the hw struct
1540  * @enable_link: if true: enable link, if false: disable link
1541  * @cmd_details: pointer to command details structure or NULL
1542  *
1543  * Sets up the link and restarts the Auto-Negotiation over the link.
1544  **/
i40e_aq_set_link_restart_an(struct i40e_hw * hw,bool enable_link,struct i40e_asq_cmd_details * cmd_details)1545 int i40e_aq_set_link_restart_an(struct i40e_hw *hw,
1546 				bool enable_link,
1547 				struct i40e_asq_cmd_details *cmd_details)
1548 {
1549 	struct i40e_aq_desc desc;
1550 	struct i40e_aqc_set_link_restart_an *cmd =
1551 		(struct i40e_aqc_set_link_restart_an *)&desc.params.raw;
1552 	int status;
1553 
1554 	i40e_fill_default_direct_cmd_desc(&desc,
1555 					  i40e_aqc_opc_set_link_restart_an);
1556 
1557 	cmd->command = I40E_AQ_PHY_RESTART_AN;
1558 	if (enable_link)
1559 		cmd->command |= I40E_AQ_PHY_LINK_ENABLE;
1560 	else
1561 		cmd->command &= ~I40E_AQ_PHY_LINK_ENABLE;
1562 
1563 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1564 
1565 	return status;
1566 }
1567 
1568 /**
1569  * i40e_aq_get_link_info
1570  * @hw: pointer to the hw struct
1571  * @enable_lse: enable/disable LinkStatusEvent reporting
1572  * @link: pointer to link status structure - optional
1573  * @cmd_details: pointer to command details structure or NULL
1574  *
1575  * Returns the link status of the adapter.
1576  **/
i40e_aq_get_link_info(struct i40e_hw * hw,bool enable_lse,struct i40e_link_status * link,struct i40e_asq_cmd_details * cmd_details)1577 int i40e_aq_get_link_info(struct i40e_hw *hw,
1578 			  bool enable_lse, struct i40e_link_status *link,
1579 			  struct i40e_asq_cmd_details *cmd_details)
1580 {
1581 	struct i40e_aq_desc desc;
1582 	struct i40e_aqc_get_link_status *resp =
1583 		(struct i40e_aqc_get_link_status *)&desc.params.raw;
1584 	struct i40e_link_status *hw_link_info = &hw->phy.link_info;
1585 	bool tx_pause, rx_pause;
1586 	u16 command_flags;
1587 	int status;
1588 
1589 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_get_link_status);
1590 
1591 	if (enable_lse)
1592 		command_flags = I40E_AQ_LSE_ENABLE;
1593 	else
1594 		command_flags = I40E_AQ_LSE_DISABLE;
1595 	resp->command_flags = cpu_to_le16(command_flags);
1596 
1597 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1598 
1599 	if (status)
1600 		goto aq_get_link_info_exit;
1601 
1602 	/* save off old link status information */
1603 	hw->phy.link_info_old = *hw_link_info;
1604 
1605 	/* update link status */
1606 	hw_link_info->phy_type = (enum i40e_aq_phy_type)resp->phy_type;
1607 	hw->phy.media_type = i40e_get_media_type(hw);
1608 	hw_link_info->link_speed = (enum i40e_aq_link_speed)resp->link_speed;
1609 	hw_link_info->link_info = resp->link_info;
1610 	hw_link_info->an_info = resp->an_info;
1611 	hw_link_info->fec_info = resp->config & (I40E_AQ_CONFIG_FEC_KR_ENA |
1612 						 I40E_AQ_CONFIG_FEC_RS_ENA);
1613 	hw_link_info->ext_info = resp->ext_info;
1614 	hw_link_info->loopback = resp->loopback & I40E_AQ_LOOPBACK_MASK;
1615 	hw_link_info->max_frame_size = le16_to_cpu(resp->max_frame_size);
1616 	hw_link_info->pacing = resp->config & I40E_AQ_CONFIG_PACING_MASK;
1617 
1618 	/* update fc info */
1619 	tx_pause = !!(resp->an_info & I40E_AQ_LINK_PAUSE_TX);
1620 	rx_pause = !!(resp->an_info & I40E_AQ_LINK_PAUSE_RX);
1621 	if (tx_pause & rx_pause)
1622 		hw->fc.current_mode = I40E_FC_FULL;
1623 	else if (tx_pause)
1624 		hw->fc.current_mode = I40E_FC_TX_PAUSE;
1625 	else if (rx_pause)
1626 		hw->fc.current_mode = I40E_FC_RX_PAUSE;
1627 	else
1628 		hw->fc.current_mode = I40E_FC_NONE;
1629 
1630 	if (resp->config & I40E_AQ_CONFIG_CRC_ENA)
1631 		hw_link_info->crc_enable = true;
1632 	else
1633 		hw_link_info->crc_enable = false;
1634 
1635 	if (resp->command_flags & cpu_to_le16(I40E_AQ_LSE_IS_ENABLED))
1636 		hw_link_info->lse_enable = true;
1637 	else
1638 		hw_link_info->lse_enable = false;
1639 
1640 	if ((hw->mac.type == I40E_MAC_XL710) &&
1641 	    (hw->aq.fw_maj_ver < 4 || (hw->aq.fw_maj_ver == 4 &&
1642 	     hw->aq.fw_min_ver < 40)) && hw_link_info->phy_type == 0xE)
1643 		hw_link_info->phy_type = I40E_PHY_TYPE_10GBASE_SFPP_CU;
1644 
1645 	if (hw->flags & I40E_HW_FLAG_AQ_PHY_ACCESS_CAPABLE &&
1646 	    hw->mac.type != I40E_MAC_X722) {
1647 		__le32 tmp;
1648 
1649 		memcpy(&tmp, resp->link_type, sizeof(tmp));
1650 		hw->phy.phy_types = le32_to_cpu(tmp);
1651 		hw->phy.phy_types |= ((u64)resp->link_type_ext << 32);
1652 	}
1653 
1654 	/* save link status information */
1655 	if (link)
1656 		*link = *hw_link_info;
1657 
1658 	/* flag cleared so helper functions don't call AQ again */
1659 	hw->phy.get_link_info = false;
1660 
1661 aq_get_link_info_exit:
1662 	return status;
1663 }
1664 
1665 /**
1666  * i40e_aq_set_phy_int_mask
1667  * @hw: pointer to the hw struct
1668  * @mask: interrupt mask to be set
1669  * @cmd_details: pointer to command details structure or NULL
1670  *
1671  * Set link interrupt mask.
1672  **/
i40e_aq_set_phy_int_mask(struct i40e_hw * hw,u16 mask,struct i40e_asq_cmd_details * cmd_details)1673 int i40e_aq_set_phy_int_mask(struct i40e_hw *hw,
1674 			     u16 mask,
1675 			     struct i40e_asq_cmd_details *cmd_details)
1676 {
1677 	struct i40e_aq_desc desc;
1678 	struct i40e_aqc_set_phy_int_mask *cmd =
1679 		(struct i40e_aqc_set_phy_int_mask *)&desc.params.raw;
1680 	int status;
1681 
1682 	i40e_fill_default_direct_cmd_desc(&desc,
1683 					  i40e_aqc_opc_set_phy_int_mask);
1684 
1685 	cmd->event_mask = cpu_to_le16(mask);
1686 
1687 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1688 
1689 	return status;
1690 }
1691 
1692 /**
1693  * i40e_aq_set_mac_loopback
1694  * @hw: pointer to the HW struct
1695  * @ena_lpbk: Enable or Disable loopback
1696  * @cmd_details: pointer to command details structure or NULL
1697  *
1698  * Enable/disable loopback on a given port
1699  */
i40e_aq_set_mac_loopback(struct i40e_hw * hw,bool ena_lpbk,struct i40e_asq_cmd_details * cmd_details)1700 int i40e_aq_set_mac_loopback(struct i40e_hw *hw, bool ena_lpbk,
1701 			     struct i40e_asq_cmd_details *cmd_details)
1702 {
1703 	struct i40e_aq_desc desc;
1704 	struct i40e_aqc_set_lb_mode *cmd =
1705 		(struct i40e_aqc_set_lb_mode *)&desc.params.raw;
1706 
1707 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_set_lb_modes);
1708 	if (ena_lpbk) {
1709 		if (hw->nvm.version <= I40E_LEGACY_LOOPBACK_NVM_VER)
1710 			cmd->lb_mode = cpu_to_le16(I40E_AQ_LB_MAC_LOCAL_LEGACY);
1711 		else
1712 			cmd->lb_mode = cpu_to_le16(I40E_AQ_LB_MAC_LOCAL);
1713 	}
1714 
1715 	return i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1716 }
1717 
1718 /**
1719  * i40e_aq_set_phy_debug
1720  * @hw: pointer to the hw struct
1721  * @cmd_flags: debug command flags
1722  * @cmd_details: pointer to command details structure or NULL
1723  *
1724  * Reset the external PHY.
1725  **/
i40e_aq_set_phy_debug(struct i40e_hw * hw,u8 cmd_flags,struct i40e_asq_cmd_details * cmd_details)1726 int i40e_aq_set_phy_debug(struct i40e_hw *hw, u8 cmd_flags,
1727 			  struct i40e_asq_cmd_details *cmd_details)
1728 {
1729 	struct i40e_aq_desc desc;
1730 	struct i40e_aqc_set_phy_debug *cmd =
1731 		(struct i40e_aqc_set_phy_debug *)&desc.params.raw;
1732 	int status;
1733 
1734 	i40e_fill_default_direct_cmd_desc(&desc,
1735 					  i40e_aqc_opc_set_phy_debug);
1736 
1737 	cmd->command_flags = cmd_flags;
1738 
1739 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1740 
1741 	return status;
1742 }
1743 
1744 /**
1745  * i40e_is_aq_api_ver_ge
1746  * @aq: pointer to AdminQ info containing HW API version to compare
1747  * @maj: API major value
1748  * @min: API minor value
1749  *
1750  * Assert whether current HW API version is greater/equal than provided.
1751  **/
i40e_is_aq_api_ver_ge(struct i40e_adminq_info * aq,u16 maj,u16 min)1752 static bool i40e_is_aq_api_ver_ge(struct i40e_adminq_info *aq, u16 maj,
1753 				  u16 min)
1754 {
1755 	return (aq->api_maj_ver > maj ||
1756 		(aq->api_maj_ver == maj && aq->api_min_ver >= min));
1757 }
1758 
1759 /**
1760  * i40e_aq_add_vsi
1761  * @hw: pointer to the hw struct
1762  * @vsi_ctx: pointer to a vsi context struct
1763  * @cmd_details: pointer to command details structure or NULL
1764  *
1765  * Add a VSI context to the hardware.
1766 **/
i40e_aq_add_vsi(struct i40e_hw * hw,struct i40e_vsi_context * vsi_ctx,struct i40e_asq_cmd_details * cmd_details)1767 int i40e_aq_add_vsi(struct i40e_hw *hw,
1768 		    struct i40e_vsi_context *vsi_ctx,
1769 		    struct i40e_asq_cmd_details *cmd_details)
1770 {
1771 	struct i40e_aq_desc desc;
1772 	struct i40e_aqc_add_get_update_vsi *cmd =
1773 		(struct i40e_aqc_add_get_update_vsi *)&desc.params.raw;
1774 	struct i40e_aqc_add_get_update_vsi_completion *resp =
1775 		(struct i40e_aqc_add_get_update_vsi_completion *)
1776 		&desc.params.raw;
1777 	int status;
1778 
1779 	i40e_fill_default_direct_cmd_desc(&desc,
1780 					  i40e_aqc_opc_add_vsi);
1781 
1782 	cmd->uplink_seid = cpu_to_le16(vsi_ctx->uplink_seid);
1783 	cmd->connection_type = vsi_ctx->connection_type;
1784 	cmd->vf_id = vsi_ctx->vf_num;
1785 	cmd->vsi_flags = cpu_to_le16(vsi_ctx->flags);
1786 
1787 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
1788 
1789 	status = i40e_asq_send_command_atomic(hw, &desc, &vsi_ctx->info,
1790 					      sizeof(vsi_ctx->info),
1791 					      cmd_details, true);
1792 
1793 	if (status)
1794 		goto aq_add_vsi_exit;
1795 
1796 	vsi_ctx->seid = le16_to_cpu(resp->seid);
1797 	vsi_ctx->vsi_number = le16_to_cpu(resp->vsi_number);
1798 	vsi_ctx->vsis_allocated = le16_to_cpu(resp->vsi_used);
1799 	vsi_ctx->vsis_unallocated = le16_to_cpu(resp->vsi_free);
1800 
1801 aq_add_vsi_exit:
1802 	return status;
1803 }
1804 
1805 /**
1806  * i40e_aq_set_default_vsi
1807  * @hw: pointer to the hw struct
1808  * @seid: vsi number
1809  * @cmd_details: pointer to command details structure or NULL
1810  **/
i40e_aq_set_default_vsi(struct i40e_hw * hw,u16 seid,struct i40e_asq_cmd_details * cmd_details)1811 int i40e_aq_set_default_vsi(struct i40e_hw *hw,
1812 			    u16 seid,
1813 			    struct i40e_asq_cmd_details *cmd_details)
1814 {
1815 	struct i40e_aq_desc desc;
1816 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
1817 		(struct i40e_aqc_set_vsi_promiscuous_modes *)
1818 		&desc.params.raw;
1819 	int status;
1820 
1821 	i40e_fill_default_direct_cmd_desc(&desc,
1822 					  i40e_aqc_opc_set_vsi_promiscuous_modes);
1823 
1824 	cmd->promiscuous_flags = cpu_to_le16(I40E_AQC_SET_VSI_DEFAULT);
1825 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_DEFAULT);
1826 	cmd->seid = cpu_to_le16(seid);
1827 
1828 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1829 
1830 	return status;
1831 }
1832 
1833 /**
1834  * i40e_aq_clear_default_vsi
1835  * @hw: pointer to the hw struct
1836  * @seid: vsi number
1837  * @cmd_details: pointer to command details structure or NULL
1838  **/
i40e_aq_clear_default_vsi(struct i40e_hw * hw,u16 seid,struct i40e_asq_cmd_details * cmd_details)1839 int i40e_aq_clear_default_vsi(struct i40e_hw *hw,
1840 			      u16 seid,
1841 			      struct i40e_asq_cmd_details *cmd_details)
1842 {
1843 	struct i40e_aq_desc desc;
1844 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
1845 		(struct i40e_aqc_set_vsi_promiscuous_modes *)
1846 		&desc.params.raw;
1847 	int status;
1848 
1849 	i40e_fill_default_direct_cmd_desc(&desc,
1850 					  i40e_aqc_opc_set_vsi_promiscuous_modes);
1851 
1852 	cmd->promiscuous_flags = cpu_to_le16(0);
1853 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_DEFAULT);
1854 	cmd->seid = cpu_to_le16(seid);
1855 
1856 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1857 
1858 	return status;
1859 }
1860 
1861 /**
1862  * i40e_aq_set_vsi_unicast_promiscuous
1863  * @hw: pointer to the hw struct
1864  * @seid: vsi number
1865  * @set: set unicast promiscuous enable/disable
1866  * @cmd_details: pointer to command details structure or NULL
1867  * @rx_only_promisc: flag to decide if egress traffic gets mirrored in promisc
1868  **/
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)1869 int i40e_aq_set_vsi_unicast_promiscuous(struct i40e_hw *hw,
1870 					u16 seid, bool set,
1871 					struct i40e_asq_cmd_details *cmd_details,
1872 					bool rx_only_promisc)
1873 {
1874 	struct i40e_aq_desc desc;
1875 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
1876 		(struct i40e_aqc_set_vsi_promiscuous_modes *)&desc.params.raw;
1877 	u16 flags = 0;
1878 	int status;
1879 
1880 	i40e_fill_default_direct_cmd_desc(&desc,
1881 					i40e_aqc_opc_set_vsi_promiscuous_modes);
1882 
1883 	if (set) {
1884 		flags |= I40E_AQC_SET_VSI_PROMISC_UNICAST;
1885 		if (rx_only_promisc && i40e_is_aq_api_ver_ge(&hw->aq, 1, 5))
1886 			flags |= I40E_AQC_SET_VSI_PROMISC_RX_ONLY;
1887 	}
1888 
1889 	cmd->promiscuous_flags = cpu_to_le16(flags);
1890 
1891 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_UNICAST);
1892 	if (i40e_is_aq_api_ver_ge(&hw->aq, 1, 5))
1893 		cmd->valid_flags |=
1894 			cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_RX_ONLY);
1895 
1896 	cmd->seid = cpu_to_le16(seid);
1897 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1898 
1899 	return status;
1900 }
1901 
1902 /**
1903  * i40e_aq_set_vsi_multicast_promiscuous
1904  * @hw: pointer to the hw struct
1905  * @seid: vsi number
1906  * @set: set multicast promiscuous enable/disable
1907  * @cmd_details: pointer to command details structure or NULL
1908  **/
i40e_aq_set_vsi_multicast_promiscuous(struct i40e_hw * hw,u16 seid,bool set,struct i40e_asq_cmd_details * cmd_details)1909 int i40e_aq_set_vsi_multicast_promiscuous(struct i40e_hw *hw,
1910 					  u16 seid, bool set,
1911 					  struct i40e_asq_cmd_details *cmd_details)
1912 {
1913 	struct i40e_aq_desc desc;
1914 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
1915 		(struct i40e_aqc_set_vsi_promiscuous_modes *)&desc.params.raw;
1916 	u16 flags = 0;
1917 	int status;
1918 
1919 	i40e_fill_default_direct_cmd_desc(&desc,
1920 					i40e_aqc_opc_set_vsi_promiscuous_modes);
1921 
1922 	if (set)
1923 		flags |= I40E_AQC_SET_VSI_PROMISC_MULTICAST;
1924 
1925 	cmd->promiscuous_flags = cpu_to_le16(flags);
1926 
1927 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_MULTICAST);
1928 
1929 	cmd->seid = cpu_to_le16(seid);
1930 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
1931 
1932 	return status;
1933 }
1934 
1935 /**
1936  * i40e_aq_set_vsi_mc_promisc_on_vlan
1937  * @hw: pointer to the hw struct
1938  * @seid: vsi number
1939  * @enable: set MAC L2 layer unicast promiscuous enable/disable for a given VLAN
1940  * @vid: The VLAN tag filter - capture any multicast packet with this VLAN tag
1941  * @cmd_details: pointer to command details structure or NULL
1942  **/
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)1943 int i40e_aq_set_vsi_mc_promisc_on_vlan(struct i40e_hw *hw,
1944 				       u16 seid, bool enable,
1945 				       u16 vid,
1946 				       struct i40e_asq_cmd_details *cmd_details)
1947 {
1948 	struct i40e_aq_desc desc;
1949 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
1950 		(struct i40e_aqc_set_vsi_promiscuous_modes *)&desc.params.raw;
1951 	u16 flags = 0;
1952 	int status;
1953 
1954 	i40e_fill_default_direct_cmd_desc(&desc,
1955 					  i40e_aqc_opc_set_vsi_promiscuous_modes);
1956 
1957 	if (enable)
1958 		flags |= I40E_AQC_SET_VSI_PROMISC_MULTICAST;
1959 
1960 	cmd->promiscuous_flags = cpu_to_le16(flags);
1961 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_MULTICAST);
1962 	cmd->seid = cpu_to_le16(seid);
1963 	cmd->vlan_tag = cpu_to_le16(vid | I40E_AQC_SET_VSI_VLAN_VALID);
1964 
1965 	status = i40e_asq_send_command_atomic(hw, &desc, NULL, 0,
1966 					      cmd_details, true);
1967 
1968 	return status;
1969 }
1970 
1971 /**
1972  * i40e_aq_set_vsi_uc_promisc_on_vlan
1973  * @hw: pointer to the hw struct
1974  * @seid: vsi number
1975  * @enable: set MAC L2 layer unicast promiscuous enable/disable for a given VLAN
1976  * @vid: The VLAN tag filter - capture any unicast packet with this VLAN tag
1977  * @cmd_details: pointer to command details structure or NULL
1978  **/
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)1979 int i40e_aq_set_vsi_uc_promisc_on_vlan(struct i40e_hw *hw,
1980 				       u16 seid, bool enable,
1981 				       u16 vid,
1982 				       struct i40e_asq_cmd_details *cmd_details)
1983 {
1984 	struct i40e_aq_desc desc;
1985 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
1986 		(struct i40e_aqc_set_vsi_promiscuous_modes *)&desc.params.raw;
1987 	u16 flags = 0;
1988 	int status;
1989 
1990 	i40e_fill_default_direct_cmd_desc(&desc,
1991 					  i40e_aqc_opc_set_vsi_promiscuous_modes);
1992 
1993 	if (enable) {
1994 		flags |= I40E_AQC_SET_VSI_PROMISC_UNICAST;
1995 		if (i40e_is_aq_api_ver_ge(&hw->aq, 1, 5))
1996 			flags |= I40E_AQC_SET_VSI_PROMISC_RX_ONLY;
1997 	}
1998 
1999 	cmd->promiscuous_flags = cpu_to_le16(flags);
2000 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_UNICAST);
2001 	if (i40e_is_aq_api_ver_ge(&hw->aq, 1, 5))
2002 		cmd->valid_flags |=
2003 			cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_RX_ONLY);
2004 	cmd->seid = cpu_to_le16(seid);
2005 	cmd->vlan_tag = cpu_to_le16(vid | I40E_AQC_SET_VSI_VLAN_VALID);
2006 
2007 	status = i40e_asq_send_command_atomic(hw, &desc, NULL, 0,
2008 					      cmd_details, true);
2009 
2010 	return status;
2011 }
2012 
2013 /**
2014  * i40e_aq_set_vsi_bc_promisc_on_vlan
2015  * @hw: pointer to the hw struct
2016  * @seid: vsi number
2017  * @enable: set broadcast promiscuous enable/disable for a given VLAN
2018  * @vid: The VLAN tag filter - capture any broadcast packet with this VLAN tag
2019  * @cmd_details: pointer to command details structure or NULL
2020  **/
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)2021 int i40e_aq_set_vsi_bc_promisc_on_vlan(struct i40e_hw *hw,
2022 				       u16 seid, bool enable, u16 vid,
2023 				       struct i40e_asq_cmd_details *cmd_details)
2024 {
2025 	struct i40e_aq_desc desc;
2026 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
2027 		(struct i40e_aqc_set_vsi_promiscuous_modes *)&desc.params.raw;
2028 	u16 flags = 0;
2029 	int status;
2030 
2031 	i40e_fill_default_direct_cmd_desc(&desc,
2032 					i40e_aqc_opc_set_vsi_promiscuous_modes);
2033 
2034 	if (enable)
2035 		flags |= I40E_AQC_SET_VSI_PROMISC_BROADCAST;
2036 
2037 	cmd->promiscuous_flags = cpu_to_le16(flags);
2038 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_BROADCAST);
2039 	cmd->seid = cpu_to_le16(seid);
2040 	cmd->vlan_tag = cpu_to_le16(vid | I40E_AQC_SET_VSI_VLAN_VALID);
2041 
2042 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2043 
2044 	return status;
2045 }
2046 
2047 /**
2048  * i40e_aq_set_vsi_broadcast
2049  * @hw: pointer to the hw struct
2050  * @seid: vsi number
2051  * @set_filter: true to set filter, false to clear filter
2052  * @cmd_details: pointer to command details structure or NULL
2053  *
2054  * Set or clear the broadcast promiscuous flag (filter) for a given VSI.
2055  **/
i40e_aq_set_vsi_broadcast(struct i40e_hw * hw,u16 seid,bool set_filter,struct i40e_asq_cmd_details * cmd_details)2056 int i40e_aq_set_vsi_broadcast(struct i40e_hw *hw,
2057 			      u16 seid, bool set_filter,
2058 			      struct i40e_asq_cmd_details *cmd_details)
2059 {
2060 	struct i40e_aq_desc desc;
2061 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
2062 		(struct i40e_aqc_set_vsi_promiscuous_modes *)&desc.params.raw;
2063 	int status;
2064 
2065 	i40e_fill_default_direct_cmd_desc(&desc,
2066 					i40e_aqc_opc_set_vsi_promiscuous_modes);
2067 
2068 	if (set_filter)
2069 		cmd->promiscuous_flags
2070 			    |= cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_BROADCAST);
2071 	else
2072 		cmd->promiscuous_flags
2073 			    &= cpu_to_le16(~I40E_AQC_SET_VSI_PROMISC_BROADCAST);
2074 
2075 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_BROADCAST);
2076 	cmd->seid = cpu_to_le16(seid);
2077 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2078 
2079 	return status;
2080 }
2081 
2082 /**
2083  * i40e_aq_set_vsi_vlan_promisc - control the VLAN promiscuous setting
2084  * @hw: pointer to the hw struct
2085  * @seid: vsi number
2086  * @enable: set MAC L2 layer unicast promiscuous enable/disable for a given VLAN
2087  * @cmd_details: pointer to command details structure or NULL
2088  **/
i40e_aq_set_vsi_vlan_promisc(struct i40e_hw * hw,u16 seid,bool enable,struct i40e_asq_cmd_details * cmd_details)2089 int i40e_aq_set_vsi_vlan_promisc(struct i40e_hw *hw,
2090 				 u16 seid, bool enable,
2091 				 struct i40e_asq_cmd_details *cmd_details)
2092 {
2093 	struct i40e_aq_desc desc;
2094 	struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
2095 		(struct i40e_aqc_set_vsi_promiscuous_modes *)&desc.params.raw;
2096 	u16 flags = 0;
2097 	int status;
2098 
2099 	i40e_fill_default_direct_cmd_desc(&desc,
2100 					i40e_aqc_opc_set_vsi_promiscuous_modes);
2101 	if (enable)
2102 		flags |= I40E_AQC_SET_VSI_PROMISC_VLAN;
2103 
2104 	cmd->promiscuous_flags = cpu_to_le16(flags);
2105 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_VLAN);
2106 	cmd->seid = cpu_to_le16(seid);
2107 
2108 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2109 
2110 	return status;
2111 }
2112 
2113 /**
2114  * i40e_aq_get_vsi_params - get VSI configuration info
2115  * @hw: pointer to the hw struct
2116  * @vsi_ctx: pointer to a vsi context struct
2117  * @cmd_details: pointer to command details structure or NULL
2118  **/
i40e_aq_get_vsi_params(struct i40e_hw * hw,struct i40e_vsi_context * vsi_ctx,struct i40e_asq_cmd_details * cmd_details)2119 int i40e_aq_get_vsi_params(struct i40e_hw *hw,
2120 			   struct i40e_vsi_context *vsi_ctx,
2121 			   struct i40e_asq_cmd_details *cmd_details)
2122 {
2123 	struct i40e_aq_desc desc;
2124 	struct i40e_aqc_add_get_update_vsi *cmd =
2125 		(struct i40e_aqc_add_get_update_vsi *)&desc.params.raw;
2126 	struct i40e_aqc_add_get_update_vsi_completion *resp =
2127 		(struct i40e_aqc_add_get_update_vsi_completion *)
2128 		&desc.params.raw;
2129 	int status;
2130 
2131 	i40e_fill_default_direct_cmd_desc(&desc,
2132 					  i40e_aqc_opc_get_vsi_parameters);
2133 
2134 	cmd->uplink_seid = cpu_to_le16(vsi_ctx->seid);
2135 
2136 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
2137 
2138 	status = i40e_asq_send_command(hw, &desc, &vsi_ctx->info,
2139 				    sizeof(vsi_ctx->info), NULL);
2140 
2141 	if (status)
2142 		goto aq_get_vsi_params_exit;
2143 
2144 	vsi_ctx->seid = le16_to_cpu(resp->seid);
2145 	vsi_ctx->vsi_number = le16_to_cpu(resp->vsi_number);
2146 	vsi_ctx->vsis_allocated = le16_to_cpu(resp->vsi_used);
2147 	vsi_ctx->vsis_unallocated = le16_to_cpu(resp->vsi_free);
2148 
2149 aq_get_vsi_params_exit:
2150 	return status;
2151 }
2152 
2153 /**
2154  * i40e_aq_update_vsi_params
2155  * @hw: pointer to the hw struct
2156  * @vsi_ctx: pointer to a vsi context struct
2157  * @cmd_details: pointer to command details structure or NULL
2158  *
2159  * Update a VSI context.
2160  **/
i40e_aq_update_vsi_params(struct i40e_hw * hw,struct i40e_vsi_context * vsi_ctx,struct i40e_asq_cmd_details * cmd_details)2161 int i40e_aq_update_vsi_params(struct i40e_hw *hw,
2162 			      struct i40e_vsi_context *vsi_ctx,
2163 			      struct i40e_asq_cmd_details *cmd_details)
2164 {
2165 	struct i40e_aq_desc desc;
2166 	struct i40e_aqc_add_get_update_vsi *cmd =
2167 		(struct i40e_aqc_add_get_update_vsi *)&desc.params.raw;
2168 	struct i40e_aqc_add_get_update_vsi_completion *resp =
2169 		(struct i40e_aqc_add_get_update_vsi_completion *)
2170 		&desc.params.raw;
2171 	int status;
2172 
2173 	i40e_fill_default_direct_cmd_desc(&desc,
2174 					  i40e_aqc_opc_update_vsi_parameters);
2175 	cmd->uplink_seid = cpu_to_le16(vsi_ctx->seid);
2176 
2177 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
2178 
2179 	status = i40e_asq_send_command_atomic(hw, &desc, &vsi_ctx->info,
2180 					      sizeof(vsi_ctx->info),
2181 					      cmd_details, true);
2182 
2183 	vsi_ctx->vsis_allocated = le16_to_cpu(resp->vsi_used);
2184 	vsi_ctx->vsis_unallocated = le16_to_cpu(resp->vsi_free);
2185 
2186 	return status;
2187 }
2188 
2189 /**
2190  * i40e_aq_get_switch_config
2191  * @hw: pointer to the hardware structure
2192  * @buf: pointer to the result buffer
2193  * @buf_size: length of input buffer
2194  * @start_seid: seid to start for the report, 0 == beginning
2195  * @cmd_details: pointer to command details structure or NULL
2196  *
2197  * Fill the buf with switch configuration returned from AdminQ command
2198  **/
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)2199 int i40e_aq_get_switch_config(struct i40e_hw *hw,
2200 			      struct i40e_aqc_get_switch_config_resp *buf,
2201 			      u16 buf_size, u16 *start_seid,
2202 			      struct i40e_asq_cmd_details *cmd_details)
2203 {
2204 	struct i40e_aq_desc desc;
2205 	struct i40e_aqc_switch_seid *scfg =
2206 		(struct i40e_aqc_switch_seid *)&desc.params.raw;
2207 	int status;
2208 
2209 	i40e_fill_default_direct_cmd_desc(&desc,
2210 					  i40e_aqc_opc_get_switch_config);
2211 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
2212 	if (buf_size > I40E_AQ_LARGE_BUF)
2213 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
2214 	scfg->seid = cpu_to_le16(*start_seid);
2215 
2216 	status = i40e_asq_send_command(hw, &desc, buf, buf_size, cmd_details);
2217 	*start_seid = le16_to_cpu(scfg->seid);
2218 
2219 	return status;
2220 }
2221 
2222 /**
2223  * i40e_aq_set_switch_config
2224  * @hw: pointer to the hardware structure
2225  * @flags: bit flag values to set
2226  * @mode: cloud filter mode
2227  * @valid_flags: which bit flags to set
2228  * @mode: cloud filter mode
2229  * @cmd_details: pointer to command details structure or NULL
2230  *
2231  * Set switch configuration bits
2232  **/
i40e_aq_set_switch_config(struct i40e_hw * hw,u16 flags,u16 valid_flags,u8 mode,struct i40e_asq_cmd_details * cmd_details)2233 int i40e_aq_set_switch_config(struct i40e_hw *hw,
2234 			      u16 flags,
2235 			      u16 valid_flags, u8 mode,
2236 			      struct i40e_asq_cmd_details *cmd_details)
2237 {
2238 	struct i40e_aq_desc desc;
2239 	struct i40e_aqc_set_switch_config *scfg =
2240 		(struct i40e_aqc_set_switch_config *)&desc.params.raw;
2241 	int status;
2242 
2243 	i40e_fill_default_direct_cmd_desc(&desc,
2244 					  i40e_aqc_opc_set_switch_config);
2245 	scfg->flags = cpu_to_le16(flags);
2246 	scfg->valid_flags = cpu_to_le16(valid_flags);
2247 	scfg->mode = mode;
2248 	if (hw->flags & I40E_HW_FLAG_802_1AD_CAPABLE) {
2249 		scfg->switch_tag = cpu_to_le16(hw->switch_tag);
2250 		scfg->first_tag = cpu_to_le16(hw->first_tag);
2251 		scfg->second_tag = cpu_to_le16(hw->second_tag);
2252 	}
2253 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2254 
2255 	return status;
2256 }
2257 
2258 /**
2259  * i40e_aq_get_firmware_version
2260  * @hw: pointer to the hw struct
2261  * @fw_major_version: firmware major version
2262  * @fw_minor_version: firmware minor version
2263  * @fw_build: firmware build number
2264  * @api_major_version: major queue version
2265  * @api_minor_version: minor queue version
2266  * @cmd_details: pointer to command details structure or NULL
2267  *
2268  * Get the firmware version from the admin queue commands
2269  **/
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)2270 int i40e_aq_get_firmware_version(struct i40e_hw *hw,
2271 				 u16 *fw_major_version, u16 *fw_minor_version,
2272 				 u32 *fw_build,
2273 				 u16 *api_major_version, u16 *api_minor_version,
2274 				 struct i40e_asq_cmd_details *cmd_details)
2275 {
2276 	struct i40e_aq_desc desc;
2277 	struct i40e_aqc_get_version *resp =
2278 		(struct i40e_aqc_get_version *)&desc.params.raw;
2279 	int status;
2280 
2281 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_get_version);
2282 
2283 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2284 
2285 	if (!status) {
2286 		if (fw_major_version)
2287 			*fw_major_version = le16_to_cpu(resp->fw_major);
2288 		if (fw_minor_version)
2289 			*fw_minor_version = le16_to_cpu(resp->fw_minor);
2290 		if (fw_build)
2291 			*fw_build = le32_to_cpu(resp->fw_build);
2292 		if (api_major_version)
2293 			*api_major_version = le16_to_cpu(resp->api_major);
2294 		if (api_minor_version)
2295 			*api_minor_version = le16_to_cpu(resp->api_minor);
2296 	}
2297 
2298 	return status;
2299 }
2300 
2301 /**
2302  * i40e_aq_send_driver_version
2303  * @hw: pointer to the hw struct
2304  * @dv: driver's major, minor version
2305  * @cmd_details: pointer to command details structure or NULL
2306  *
2307  * Send the driver version to the firmware
2308  **/
i40e_aq_send_driver_version(struct i40e_hw * hw,struct i40e_driver_version * dv,struct i40e_asq_cmd_details * cmd_details)2309 int i40e_aq_send_driver_version(struct i40e_hw *hw,
2310 				struct i40e_driver_version *dv,
2311 				struct i40e_asq_cmd_details *cmd_details)
2312 {
2313 	struct i40e_aq_desc desc;
2314 	struct i40e_aqc_driver_version *cmd =
2315 		(struct i40e_aqc_driver_version *)&desc.params.raw;
2316 	int status;
2317 	u16 len;
2318 
2319 	if (dv == NULL)
2320 		return -EINVAL;
2321 
2322 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_driver_version);
2323 
2324 	desc.flags |= cpu_to_le16(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD);
2325 	cmd->driver_major_ver = dv->major_version;
2326 	cmd->driver_minor_ver = dv->minor_version;
2327 	cmd->driver_build_ver = dv->build_version;
2328 	cmd->driver_subbuild_ver = dv->subbuild_version;
2329 
2330 	len = 0;
2331 	while (len < sizeof(dv->driver_string) &&
2332 	       (dv->driver_string[len] < 0x80) &&
2333 	       dv->driver_string[len])
2334 		len++;
2335 	status = i40e_asq_send_command(hw, &desc, dv->driver_string,
2336 				       len, cmd_details);
2337 
2338 	return status;
2339 }
2340 
2341 /**
2342  * i40e_get_link_status - get status of the HW network link
2343  * @hw: pointer to the hw struct
2344  * @link_up: pointer to bool (true/false = linkup/linkdown)
2345  *
2346  * Variable link_up true if link is up, false if link is down.
2347  * The variable link_up is invalid if returned value of status != 0
2348  *
2349  * Side effect: LinkStatusEvent reporting becomes enabled
2350  **/
i40e_get_link_status(struct i40e_hw * hw,bool * link_up)2351 int i40e_get_link_status(struct i40e_hw *hw, bool *link_up)
2352 {
2353 	int status = 0;
2354 
2355 	if (hw->phy.get_link_info) {
2356 		status = i40e_update_link_info(hw);
2357 
2358 		if (status)
2359 			i40e_debug(hw, I40E_DEBUG_LINK, "get link failed: status %d\n",
2360 				   status);
2361 	}
2362 
2363 	*link_up = hw->phy.link_info.link_info & I40E_AQ_LINK_UP;
2364 
2365 	return status;
2366 }
2367 
2368 /**
2369  * i40e_update_link_info - update status of the HW network link
2370  * @hw: pointer to the hw struct
2371  **/
i40e_update_link_info(struct i40e_hw * hw)2372 noinline_for_stack int i40e_update_link_info(struct i40e_hw *hw)
2373 {
2374 	struct i40e_aq_get_phy_abilities_resp abilities;
2375 	int status = 0;
2376 
2377 	status = i40e_aq_get_link_info(hw, true, NULL, NULL);
2378 	if (status)
2379 		return status;
2380 
2381 	/* extra checking needed to ensure link info to user is timely */
2382 	if ((hw->phy.link_info.link_info & I40E_AQ_MEDIA_AVAILABLE) &&
2383 	    ((hw->phy.link_info.link_info & I40E_AQ_LINK_UP) ||
2384 	     !(hw->phy.link_info_old.link_info & I40E_AQ_LINK_UP))) {
2385 		status = i40e_aq_get_phy_capabilities(hw, false, false,
2386 						      &abilities, NULL);
2387 		if (status)
2388 			return status;
2389 
2390 		if (abilities.fec_cfg_curr_mod_ext_info &
2391 		    I40E_AQ_ENABLE_FEC_AUTO)
2392 			hw->phy.link_info.req_fec_info =
2393 				(I40E_AQ_REQUEST_FEC_KR |
2394 				 I40E_AQ_REQUEST_FEC_RS);
2395 		else
2396 			hw->phy.link_info.req_fec_info =
2397 				abilities.fec_cfg_curr_mod_ext_info &
2398 				(I40E_AQ_REQUEST_FEC_KR |
2399 				 I40E_AQ_REQUEST_FEC_RS);
2400 
2401 		memcpy(hw->phy.link_info.module_type, &abilities.module_type,
2402 		       sizeof(hw->phy.link_info.module_type));
2403 	}
2404 
2405 	return status;
2406 }
2407 
2408 /**
2409  * i40e_aq_add_veb - Insert a VEB between the VSI and the MAC
2410  * @hw: pointer to the hw struct
2411  * @uplink_seid: the MAC or other gizmo SEID
2412  * @downlink_seid: the VSI SEID
2413  * @enabled_tc: bitmap of TCs to be enabled
2414  * @default_port: true for default port VSI, false for control port
2415  * @veb_seid: pointer to where to put the resulting VEB SEID
2416  * @enable_stats: true to turn on VEB stats
2417  * @cmd_details: pointer to command details structure or NULL
2418  *
2419  * This asks the FW to add a VEB between the uplink and downlink
2420  * elements.  If the uplink SEID is 0, this will be a floating VEB.
2421  **/
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)2422 int i40e_aq_add_veb(struct i40e_hw *hw, u16 uplink_seid,
2423 		    u16 downlink_seid, u8 enabled_tc,
2424 		    bool default_port, u16 *veb_seid,
2425 		    bool enable_stats,
2426 		    struct i40e_asq_cmd_details *cmd_details)
2427 {
2428 	struct i40e_aq_desc desc;
2429 	struct i40e_aqc_add_veb *cmd =
2430 		(struct i40e_aqc_add_veb *)&desc.params.raw;
2431 	struct i40e_aqc_add_veb_completion *resp =
2432 		(struct i40e_aqc_add_veb_completion *)&desc.params.raw;
2433 	u16 veb_flags = 0;
2434 	int status;
2435 
2436 	/* SEIDs need to either both be set or both be 0 for floating VEB */
2437 	if (!!uplink_seid != !!downlink_seid)
2438 		return -EINVAL;
2439 
2440 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_add_veb);
2441 
2442 	cmd->uplink_seid = cpu_to_le16(uplink_seid);
2443 	cmd->downlink_seid = cpu_to_le16(downlink_seid);
2444 	cmd->enable_tcs = enabled_tc;
2445 	if (!uplink_seid)
2446 		veb_flags |= I40E_AQC_ADD_VEB_FLOATING;
2447 	if (default_port)
2448 		veb_flags |= I40E_AQC_ADD_VEB_PORT_TYPE_DEFAULT;
2449 	else
2450 		veb_flags |= I40E_AQC_ADD_VEB_PORT_TYPE_DATA;
2451 
2452 	/* reverse logic here: set the bitflag to disable the stats */
2453 	if (!enable_stats)
2454 		veb_flags |= I40E_AQC_ADD_VEB_ENABLE_DISABLE_STATS;
2455 
2456 	cmd->veb_flags = cpu_to_le16(veb_flags);
2457 
2458 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2459 
2460 	if (!status && veb_seid)
2461 		*veb_seid = le16_to_cpu(resp->veb_seid);
2462 
2463 	return status;
2464 }
2465 
2466 /**
2467  * i40e_aq_get_veb_parameters - Retrieve VEB parameters
2468  * @hw: pointer to the hw struct
2469  * @veb_seid: the SEID of the VEB to query
2470  * @switch_id: the uplink switch id
2471  * @floating: set to true if the VEB is floating
2472  * @statistic_index: index of the stats counter block for this VEB
2473  * @vebs_used: number of VEB's used by function
2474  * @vebs_free: total VEB's not reserved by any function
2475  * @cmd_details: pointer to command details structure or NULL
2476  *
2477  * This retrieves the parameters for a particular VEB, specified by
2478  * uplink_seid, and returns them to the caller.
2479  **/
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)2480 int i40e_aq_get_veb_parameters(struct i40e_hw *hw,
2481 			       u16 veb_seid, u16 *switch_id,
2482 			       bool *floating, u16 *statistic_index,
2483 			       u16 *vebs_used, u16 *vebs_free,
2484 			       struct i40e_asq_cmd_details *cmd_details)
2485 {
2486 	struct i40e_aq_desc desc;
2487 	struct i40e_aqc_get_veb_parameters_completion *cmd_resp =
2488 		(struct i40e_aqc_get_veb_parameters_completion *)
2489 		&desc.params.raw;
2490 	int status;
2491 
2492 	if (veb_seid == 0)
2493 		return -EINVAL;
2494 
2495 	i40e_fill_default_direct_cmd_desc(&desc,
2496 					  i40e_aqc_opc_get_veb_parameters);
2497 	cmd_resp->seid = cpu_to_le16(veb_seid);
2498 
2499 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2500 	if (status)
2501 		goto get_veb_exit;
2502 
2503 	if (switch_id)
2504 		*switch_id = le16_to_cpu(cmd_resp->switch_id);
2505 	if (statistic_index)
2506 		*statistic_index = le16_to_cpu(cmd_resp->statistic_index);
2507 	if (vebs_used)
2508 		*vebs_used = le16_to_cpu(cmd_resp->vebs_used);
2509 	if (vebs_free)
2510 		*vebs_free = le16_to_cpu(cmd_resp->vebs_free);
2511 	if (floating) {
2512 		u16 flags = le16_to_cpu(cmd_resp->veb_flags);
2513 
2514 		if (flags & I40E_AQC_ADD_VEB_FLOATING)
2515 			*floating = true;
2516 		else
2517 			*floating = false;
2518 	}
2519 
2520 get_veb_exit:
2521 	return status;
2522 }
2523 
2524 /**
2525  * i40e_prepare_add_macvlan
2526  * @mv_list: list of macvlans to be added
2527  * @desc: pointer to AQ descriptor structure
2528  * @count: length of the list
2529  * @seid: VSI for the mac address
2530  *
2531  * Internal helper function that prepares the add macvlan request
2532  * and returns the buffer size.
2533  **/
2534 static u16
i40e_prepare_add_macvlan(struct i40e_aqc_add_macvlan_element_data * mv_list,struct i40e_aq_desc * desc,u16 count,u16 seid)2535 i40e_prepare_add_macvlan(struct i40e_aqc_add_macvlan_element_data *mv_list,
2536 			 struct i40e_aq_desc *desc, u16 count, u16 seid)
2537 {
2538 	struct i40e_aqc_macvlan *cmd =
2539 		(struct i40e_aqc_macvlan *)&desc->params.raw;
2540 	u16 buf_size;
2541 	int i;
2542 
2543 	buf_size = count * sizeof(*mv_list);
2544 
2545 	/* prep the rest of the request */
2546 	i40e_fill_default_direct_cmd_desc(desc, i40e_aqc_opc_add_macvlan);
2547 	cmd->num_addresses = cpu_to_le16(count);
2548 	cmd->seid[0] = cpu_to_le16(I40E_AQC_MACVLAN_CMD_SEID_VALID | seid);
2549 	cmd->seid[1] = 0;
2550 	cmd->seid[2] = 0;
2551 
2552 	for (i = 0; i < count; i++)
2553 		if (is_multicast_ether_addr(mv_list[i].mac_addr))
2554 			mv_list[i].flags |=
2555 			       cpu_to_le16(I40E_AQC_MACVLAN_ADD_USE_SHARED_MAC);
2556 
2557 	desc->flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
2558 	if (buf_size > I40E_AQ_LARGE_BUF)
2559 		desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
2560 
2561 	return buf_size;
2562 }
2563 
2564 /**
2565  * i40e_aq_add_macvlan
2566  * @hw: pointer to the hw struct
2567  * @seid: VSI for the mac address
2568  * @mv_list: list of macvlans to be added
2569  * @count: length of the list
2570  * @cmd_details: pointer to command details structure or NULL
2571  *
2572  * Add MAC/VLAN addresses to the HW filtering
2573  **/
2574 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)2575 i40e_aq_add_macvlan(struct i40e_hw *hw, u16 seid,
2576 		    struct i40e_aqc_add_macvlan_element_data *mv_list,
2577 		    u16 count, struct i40e_asq_cmd_details *cmd_details)
2578 {
2579 	struct i40e_aq_desc desc;
2580 	u16 buf_size;
2581 
2582 	if (count == 0 || !mv_list || !hw)
2583 		return -EINVAL;
2584 
2585 	buf_size = i40e_prepare_add_macvlan(mv_list, &desc, count, seid);
2586 
2587 	return i40e_asq_send_command_atomic(hw, &desc, mv_list, buf_size,
2588 					    cmd_details, true);
2589 }
2590 
2591 /**
2592  * i40e_aq_add_macvlan_v2
2593  * @hw: pointer to the hw struct
2594  * @seid: VSI for the mac address
2595  * @mv_list: list of macvlans to be added
2596  * @count: length of the list
2597  * @cmd_details: pointer to command details structure or NULL
2598  * @aq_status: pointer to Admin Queue status return value
2599  *
2600  * Add MAC/VLAN addresses to the HW filtering.
2601  * The _v2 version returns the last Admin Queue status in aq_status
2602  * to avoid race conditions in access to hw->aq.asq_last_status.
2603  * It also calls _v2 versions of asq_send_command functions to
2604  * get the aq_status on the stack.
2605  **/
2606 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)2607 i40e_aq_add_macvlan_v2(struct i40e_hw *hw, u16 seid,
2608 		       struct i40e_aqc_add_macvlan_element_data *mv_list,
2609 		       u16 count, struct i40e_asq_cmd_details *cmd_details,
2610 		       enum i40e_admin_queue_err *aq_status)
2611 {
2612 	struct i40e_aq_desc desc;
2613 	u16 buf_size;
2614 
2615 	if (count == 0 || !mv_list || !hw)
2616 		return -EINVAL;
2617 
2618 	buf_size = i40e_prepare_add_macvlan(mv_list, &desc, count, seid);
2619 
2620 	return i40e_asq_send_command_atomic_v2(hw, &desc, mv_list, buf_size,
2621 					       cmd_details, true, aq_status);
2622 }
2623 
2624 /**
2625  * i40e_aq_remove_macvlan
2626  * @hw: pointer to the hw struct
2627  * @seid: VSI for the mac address
2628  * @mv_list: list of macvlans to be removed
2629  * @count: length of the list
2630  * @cmd_details: pointer to command details structure or NULL
2631  *
2632  * Remove MAC/VLAN addresses from the HW filtering
2633  **/
2634 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)2635 i40e_aq_remove_macvlan(struct i40e_hw *hw, u16 seid,
2636 		       struct i40e_aqc_remove_macvlan_element_data *mv_list,
2637 		       u16 count, struct i40e_asq_cmd_details *cmd_details)
2638 {
2639 	struct i40e_aq_desc desc;
2640 	struct i40e_aqc_macvlan *cmd =
2641 		(struct i40e_aqc_macvlan *)&desc.params.raw;
2642 	u16 buf_size;
2643 	int status;
2644 
2645 	if (count == 0 || !mv_list || !hw)
2646 		return -EINVAL;
2647 
2648 	buf_size = count * sizeof(*mv_list);
2649 
2650 	/* prep the rest of the request */
2651 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_remove_macvlan);
2652 	cmd->num_addresses = cpu_to_le16(count);
2653 	cmd->seid[0] = cpu_to_le16(I40E_AQC_MACVLAN_CMD_SEID_VALID | seid);
2654 	cmd->seid[1] = 0;
2655 	cmd->seid[2] = 0;
2656 
2657 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
2658 	if (buf_size > I40E_AQ_LARGE_BUF)
2659 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
2660 
2661 	status = i40e_asq_send_command_atomic(hw, &desc, mv_list, buf_size,
2662 					      cmd_details, true);
2663 
2664 	return status;
2665 }
2666 
2667 /**
2668  * i40e_aq_remove_macvlan_v2
2669  * @hw: pointer to the hw struct
2670  * @seid: VSI for the mac address
2671  * @mv_list: list of macvlans to be removed
2672  * @count: length of the list
2673  * @cmd_details: pointer to command details structure or NULL
2674  * @aq_status: pointer to Admin Queue status return value
2675  *
2676  * Remove MAC/VLAN addresses from the HW filtering.
2677  * The _v2 version returns the last Admin Queue status in aq_status
2678  * to avoid race conditions in access to hw->aq.asq_last_status.
2679  * It also calls _v2 versions of asq_send_command functions to
2680  * get the aq_status on the stack.
2681  **/
2682 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)2683 i40e_aq_remove_macvlan_v2(struct i40e_hw *hw, u16 seid,
2684 			  struct i40e_aqc_remove_macvlan_element_data *mv_list,
2685 			  u16 count, struct i40e_asq_cmd_details *cmd_details,
2686 			  enum i40e_admin_queue_err *aq_status)
2687 {
2688 	struct i40e_aqc_macvlan *cmd;
2689 	struct i40e_aq_desc desc;
2690 	u16 buf_size;
2691 
2692 	if (count == 0 || !mv_list || !hw)
2693 		return -EINVAL;
2694 
2695 	buf_size = count * sizeof(*mv_list);
2696 
2697 	/* prep the rest of the request */
2698 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_remove_macvlan);
2699 	cmd = (struct i40e_aqc_macvlan *)&desc.params.raw;
2700 	cmd->num_addresses = cpu_to_le16(count);
2701 	cmd->seid[0] = cpu_to_le16(I40E_AQC_MACVLAN_CMD_SEID_VALID | seid);
2702 	cmd->seid[1] = 0;
2703 	cmd->seid[2] = 0;
2704 
2705 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
2706 	if (buf_size > I40E_AQ_LARGE_BUF)
2707 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
2708 
2709 	return i40e_asq_send_command_atomic_v2(hw, &desc, mv_list, buf_size,
2710 						 cmd_details, true, aq_status);
2711 }
2712 
2713 /**
2714  * i40e_mirrorrule_op - Internal helper function to add/delete mirror rule
2715  * @hw: pointer to the hw struct
2716  * @opcode: AQ opcode for add or delete mirror rule
2717  * @sw_seid: Switch SEID (to which rule refers)
2718  * @rule_type: Rule Type (ingress/egress/VLAN)
2719  * @id: Destination VSI SEID or Rule ID
2720  * @count: length of the list
2721  * @mr_list: list of mirrored VSI SEIDs or VLAN IDs
2722  * @cmd_details: pointer to command details structure or NULL
2723  * @rule_id: Rule ID returned from FW
2724  * @rules_used: Number of rules used in internal switch
2725  * @rules_free: Number of rules free in internal switch
2726  *
2727  * Add/Delete a mirror rule to a specific switch. Mirror rules are supported for
2728  * VEBs/VEPA elements only
2729  **/
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)2730 static int i40e_mirrorrule_op(struct i40e_hw *hw,
2731 			      u16 opcode, u16 sw_seid, u16 rule_type, u16 id,
2732 			      u16 count, __le16 *mr_list,
2733 			      struct i40e_asq_cmd_details *cmd_details,
2734 			      u16 *rule_id, u16 *rules_used, u16 *rules_free)
2735 {
2736 	struct i40e_aq_desc desc;
2737 	struct i40e_aqc_add_delete_mirror_rule *cmd =
2738 		(struct i40e_aqc_add_delete_mirror_rule *)&desc.params.raw;
2739 	struct i40e_aqc_add_delete_mirror_rule_completion *resp =
2740 	(struct i40e_aqc_add_delete_mirror_rule_completion *)&desc.params.raw;
2741 	u16 buf_size;
2742 	int status;
2743 
2744 	buf_size = count * sizeof(*mr_list);
2745 
2746 	/* prep the rest of the request */
2747 	i40e_fill_default_direct_cmd_desc(&desc, opcode);
2748 	cmd->seid = cpu_to_le16(sw_seid);
2749 	cmd->rule_type = cpu_to_le16(rule_type &
2750 				     I40E_AQC_MIRROR_RULE_TYPE_MASK);
2751 	cmd->num_entries = cpu_to_le16(count);
2752 	/* Dest VSI for add, rule_id for delete */
2753 	cmd->destination = cpu_to_le16(id);
2754 	if (mr_list) {
2755 		desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF |
2756 						I40E_AQ_FLAG_RD));
2757 		if (buf_size > I40E_AQ_LARGE_BUF)
2758 			desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
2759 	}
2760 
2761 	status = i40e_asq_send_command(hw, &desc, mr_list, buf_size,
2762 				       cmd_details);
2763 	if (!status ||
2764 	    hw->aq.asq_last_status == I40E_AQ_RC_ENOSPC) {
2765 		if (rule_id)
2766 			*rule_id = le16_to_cpu(resp->rule_id);
2767 		if (rules_used)
2768 			*rules_used = le16_to_cpu(resp->mirror_rules_used);
2769 		if (rules_free)
2770 			*rules_free = le16_to_cpu(resp->mirror_rules_free);
2771 	}
2772 	return status;
2773 }
2774 
2775 /**
2776  * i40e_aq_add_mirrorrule - add a mirror rule
2777  * @hw: pointer to the hw struct
2778  * @sw_seid: Switch SEID (to which rule refers)
2779  * @rule_type: Rule Type (ingress/egress/VLAN)
2780  * @dest_vsi: SEID of VSI to which packets will be mirrored
2781  * @count: length of the list
2782  * @mr_list: list of mirrored VSI SEIDs or VLAN IDs
2783  * @cmd_details: pointer to command details structure or NULL
2784  * @rule_id: Rule ID returned from FW
2785  * @rules_used: Number of rules used in internal switch
2786  * @rules_free: Number of rules free in internal switch
2787  *
2788  * Add mirror rule. Mirror rules are supported for VEBs or VEPA elements only
2789  **/
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)2790 int i40e_aq_add_mirrorrule(struct i40e_hw *hw, u16 sw_seid,
2791 			   u16 rule_type, u16 dest_vsi, u16 count,
2792 			   __le16 *mr_list,
2793 			   struct i40e_asq_cmd_details *cmd_details,
2794 			   u16 *rule_id, u16 *rules_used, u16 *rules_free)
2795 {
2796 	if (!(rule_type == I40E_AQC_MIRROR_RULE_TYPE_ALL_INGRESS ||
2797 	    rule_type == I40E_AQC_MIRROR_RULE_TYPE_ALL_EGRESS)) {
2798 		if (count == 0 || !mr_list)
2799 			return -EINVAL;
2800 	}
2801 
2802 	return i40e_mirrorrule_op(hw, i40e_aqc_opc_add_mirror_rule, sw_seid,
2803 				  rule_type, dest_vsi, count, mr_list,
2804 				  cmd_details, rule_id, rules_used, rules_free);
2805 }
2806 
2807 /**
2808  * i40e_aq_delete_mirrorrule - delete a mirror rule
2809  * @hw: pointer to the hw struct
2810  * @sw_seid: Switch SEID (to which rule refers)
2811  * @rule_type: Rule Type (ingress/egress/VLAN)
2812  * @count: length of the list
2813  * @rule_id: Rule ID that is returned in the receive desc as part of
2814  *		add_mirrorrule.
2815  * @mr_list: list of mirrored VLAN IDs to be removed
2816  * @cmd_details: pointer to command details structure or NULL
2817  * @rules_used: Number of rules used in internal switch
2818  * @rules_free: Number of rules free in internal switch
2819  *
2820  * Delete a mirror rule. Mirror rules are supported for VEBs/VEPA elements only
2821  **/
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)2822 int i40e_aq_delete_mirrorrule(struct i40e_hw *hw, u16 sw_seid,
2823 			      u16 rule_type, u16 rule_id, u16 count,
2824 			      __le16 *mr_list,
2825 			      struct i40e_asq_cmd_details *cmd_details,
2826 			      u16 *rules_used, u16 *rules_free)
2827 {
2828 	/* Rule ID has to be valid except rule_type: INGRESS VLAN mirroring */
2829 	if (rule_type == I40E_AQC_MIRROR_RULE_TYPE_VLAN) {
2830 		/* count and mr_list shall be valid for rule_type INGRESS VLAN
2831 		 * mirroring. For other rule_type, count and rule_type should
2832 		 * not matter.
2833 		 */
2834 		if (count == 0 || !mr_list)
2835 			return -EINVAL;
2836 	}
2837 
2838 	return i40e_mirrorrule_op(hw, i40e_aqc_opc_delete_mirror_rule, sw_seid,
2839 				  rule_type, rule_id, count, mr_list,
2840 				  cmd_details, NULL, rules_used, rules_free);
2841 }
2842 
2843 /**
2844  * i40e_aq_send_msg_to_vf
2845  * @hw: pointer to the hardware structure
2846  * @vfid: VF id to send msg
2847  * @v_opcode: opcodes for VF-PF communication
2848  * @v_retval: return error code
2849  * @msg: pointer to the msg buffer
2850  * @msglen: msg length
2851  * @cmd_details: pointer to command details
2852  *
2853  * send msg to vf
2854  **/
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)2855 int i40e_aq_send_msg_to_vf(struct i40e_hw *hw, u16 vfid,
2856 			   u32 v_opcode, u32 v_retval, u8 *msg, u16 msglen,
2857 			   struct i40e_asq_cmd_details *cmd_details)
2858 {
2859 	struct i40e_aq_desc desc;
2860 	struct i40e_aqc_pf_vf_message *cmd =
2861 		(struct i40e_aqc_pf_vf_message *)&desc.params.raw;
2862 	int status;
2863 
2864 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_send_msg_to_vf);
2865 	cmd->id = cpu_to_le32(vfid);
2866 	desc.cookie_high = cpu_to_le32(v_opcode);
2867 	desc.cookie_low = cpu_to_le32(v_retval);
2868 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_SI);
2869 	if (msglen) {
2870 		desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF |
2871 						I40E_AQ_FLAG_RD));
2872 		if (msglen > I40E_AQ_LARGE_BUF)
2873 			desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
2874 		desc.datalen = cpu_to_le16(msglen);
2875 	}
2876 	status = i40e_asq_send_command(hw, &desc, msg, msglen, cmd_details);
2877 
2878 	return status;
2879 }
2880 
2881 /**
2882  * i40e_aq_debug_read_register
2883  * @hw: pointer to the hw struct
2884  * @reg_addr: register address
2885  * @reg_val: register value
2886  * @cmd_details: pointer to command details structure or NULL
2887  *
2888  * Read the register using the admin queue commands
2889  **/
i40e_aq_debug_read_register(struct i40e_hw * hw,u32 reg_addr,u64 * reg_val,struct i40e_asq_cmd_details * cmd_details)2890 int i40e_aq_debug_read_register(struct i40e_hw *hw,
2891 				u32 reg_addr, u64 *reg_val,
2892 				struct i40e_asq_cmd_details *cmd_details)
2893 {
2894 	struct i40e_aq_desc desc;
2895 	struct i40e_aqc_debug_reg_read_write *cmd_resp =
2896 		(struct i40e_aqc_debug_reg_read_write *)&desc.params.raw;
2897 	int status;
2898 
2899 	if (reg_val == NULL)
2900 		return -EINVAL;
2901 
2902 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_debug_read_reg);
2903 
2904 	cmd_resp->address = cpu_to_le32(reg_addr);
2905 
2906 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2907 
2908 	if (!status) {
2909 		*reg_val = ((u64)le32_to_cpu(cmd_resp->value_high) << 32) |
2910 			   (u64)le32_to_cpu(cmd_resp->value_low);
2911 	}
2912 
2913 	return status;
2914 }
2915 
2916 /**
2917  * i40e_aq_debug_write_register
2918  * @hw: pointer to the hw struct
2919  * @reg_addr: register address
2920  * @reg_val: register value
2921  * @cmd_details: pointer to command details structure or NULL
2922  *
2923  * Write to a register using the admin queue commands
2924  **/
i40e_aq_debug_write_register(struct i40e_hw * hw,u32 reg_addr,u64 reg_val,struct i40e_asq_cmd_details * cmd_details)2925 int i40e_aq_debug_write_register(struct i40e_hw *hw,
2926 				 u32 reg_addr, u64 reg_val,
2927 				 struct i40e_asq_cmd_details *cmd_details)
2928 {
2929 	struct i40e_aq_desc desc;
2930 	struct i40e_aqc_debug_reg_read_write *cmd =
2931 		(struct i40e_aqc_debug_reg_read_write *)&desc.params.raw;
2932 	int status;
2933 
2934 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_debug_write_reg);
2935 
2936 	cmd->address = cpu_to_le32(reg_addr);
2937 	cmd->value_high = cpu_to_le32((u32)(reg_val >> 32));
2938 	cmd->value_low = cpu_to_le32((u32)(reg_val & 0xFFFFFFFF));
2939 
2940 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2941 
2942 	return status;
2943 }
2944 
2945 /**
2946  * i40e_aq_request_resource
2947  * @hw: pointer to the hw struct
2948  * @resource: resource id
2949  * @access: access type
2950  * @sdp_number: resource number
2951  * @timeout: the maximum time in ms that the driver may hold the resource
2952  * @cmd_details: pointer to command details structure or NULL
2953  *
2954  * requests common resource using the admin queue commands
2955  **/
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)2956 int i40e_aq_request_resource(struct i40e_hw *hw,
2957 			     enum i40e_aq_resources_ids resource,
2958 			     enum i40e_aq_resource_access_type access,
2959 			     u8 sdp_number, u64 *timeout,
2960 			     struct i40e_asq_cmd_details *cmd_details)
2961 {
2962 	struct i40e_aq_desc desc;
2963 	struct i40e_aqc_request_resource *cmd_resp =
2964 		(struct i40e_aqc_request_resource *)&desc.params.raw;
2965 	int status;
2966 
2967 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_request_resource);
2968 
2969 	cmd_resp->resource_id = cpu_to_le16(resource);
2970 	cmd_resp->access_type = cpu_to_le16(access);
2971 	cmd_resp->resource_number = cpu_to_le32(sdp_number);
2972 
2973 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
2974 	/* The completion specifies the maximum time in ms that the driver
2975 	 * may hold the resource in the Timeout field.
2976 	 * If the resource is held by someone else, the command completes with
2977 	 * busy return value and the timeout field indicates the maximum time
2978 	 * the current owner of the resource has to free it.
2979 	 */
2980 	if (!status || hw->aq.asq_last_status == I40E_AQ_RC_EBUSY)
2981 		*timeout = le32_to_cpu(cmd_resp->timeout);
2982 
2983 	return status;
2984 }
2985 
2986 /**
2987  * i40e_aq_release_resource
2988  * @hw: pointer to the hw struct
2989  * @resource: resource id
2990  * @sdp_number: resource number
2991  * @cmd_details: pointer to command details structure or NULL
2992  *
2993  * release common resource using the admin queue commands
2994  **/
i40e_aq_release_resource(struct i40e_hw * hw,enum i40e_aq_resources_ids resource,u8 sdp_number,struct i40e_asq_cmd_details * cmd_details)2995 int i40e_aq_release_resource(struct i40e_hw *hw,
2996 			     enum i40e_aq_resources_ids resource,
2997 			     u8 sdp_number,
2998 			     struct i40e_asq_cmd_details *cmd_details)
2999 {
3000 	struct i40e_aq_desc desc;
3001 	struct i40e_aqc_request_resource *cmd =
3002 		(struct i40e_aqc_request_resource *)&desc.params.raw;
3003 	int status;
3004 
3005 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_release_resource);
3006 
3007 	cmd->resource_id = cpu_to_le16(resource);
3008 	cmd->resource_number = cpu_to_le32(sdp_number);
3009 
3010 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3011 
3012 	return status;
3013 }
3014 
3015 /**
3016  * i40e_aq_read_nvm
3017  * @hw: pointer to the hw struct
3018  * @module_pointer: module pointer location in words from the NVM beginning
3019  * @offset: byte offset from the module beginning
3020  * @length: length of the section to be read (in bytes from the offset)
3021  * @data: command buffer (size [bytes] = length)
3022  * @last_command: tells if this is the last command in a series
3023  * @cmd_details: pointer to command details structure or NULL
3024  *
3025  * Read the NVM using the admin queue commands
3026  **/
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)3027 int i40e_aq_read_nvm(struct i40e_hw *hw, u8 module_pointer,
3028 		     u32 offset, u16 length, void *data,
3029 		     bool last_command,
3030 		     struct i40e_asq_cmd_details *cmd_details)
3031 {
3032 	struct i40e_aq_desc desc;
3033 	struct i40e_aqc_nvm_update *cmd =
3034 		(struct i40e_aqc_nvm_update *)&desc.params.raw;
3035 	int status;
3036 
3037 	/* In offset the highest byte must be zeroed. */
3038 	if (offset & 0xFF000000) {
3039 		status = -EINVAL;
3040 		goto i40e_aq_read_nvm_exit;
3041 	}
3042 
3043 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_nvm_read);
3044 
3045 	/* If this is the last command in a series, set the proper flag. */
3046 	if (last_command)
3047 		cmd->command_flags |= I40E_AQ_NVM_LAST_CMD;
3048 	cmd->module_pointer = module_pointer;
3049 	cmd->offset = cpu_to_le32(offset);
3050 	cmd->length = cpu_to_le16(length);
3051 
3052 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
3053 	if (length > I40E_AQ_LARGE_BUF)
3054 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
3055 
3056 	status = i40e_asq_send_command(hw, &desc, data, length, cmd_details);
3057 
3058 i40e_aq_read_nvm_exit:
3059 	return status;
3060 }
3061 
3062 /**
3063  * i40e_aq_erase_nvm
3064  * @hw: pointer to the hw struct
3065  * @module_pointer: module pointer location in words from the NVM beginning
3066  * @offset: offset in the module (expressed in 4 KB from module's beginning)
3067  * @length: length of the section to be erased (expressed in 4 KB)
3068  * @last_command: tells if this is the last command in a series
3069  * @cmd_details: pointer to command details structure or NULL
3070  *
3071  * Erase the NVM sector using the admin queue commands
3072  **/
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)3073 int i40e_aq_erase_nvm(struct i40e_hw *hw, u8 module_pointer,
3074 		      u32 offset, u16 length, bool last_command,
3075 		      struct i40e_asq_cmd_details *cmd_details)
3076 {
3077 	struct i40e_aq_desc desc;
3078 	struct i40e_aqc_nvm_update *cmd =
3079 		(struct i40e_aqc_nvm_update *)&desc.params.raw;
3080 	int status;
3081 
3082 	/* In offset the highest byte must be zeroed. */
3083 	if (offset & 0xFF000000) {
3084 		status = -EINVAL;
3085 		goto i40e_aq_erase_nvm_exit;
3086 	}
3087 
3088 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_nvm_erase);
3089 
3090 	/* If this is the last command in a series, set the proper flag. */
3091 	if (last_command)
3092 		cmd->command_flags |= I40E_AQ_NVM_LAST_CMD;
3093 	cmd->module_pointer = module_pointer;
3094 	cmd->offset = cpu_to_le32(offset);
3095 	cmd->length = cpu_to_le16(length);
3096 
3097 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3098 
3099 i40e_aq_erase_nvm_exit:
3100 	return status;
3101 }
3102 
3103 /**
3104  * i40e_parse_discover_capabilities
3105  * @hw: pointer to the hw struct
3106  * @buff: pointer to a buffer containing device/function capability records
3107  * @cap_count: number of capability records in the list
3108  * @list_type_opc: type of capabilities list to parse
3109  *
3110  * Parse the device/function capabilities list.
3111  **/
i40e_parse_discover_capabilities(struct i40e_hw * hw,void * buff,u32 cap_count,enum i40e_admin_queue_opc list_type_opc)3112 static void i40e_parse_discover_capabilities(struct i40e_hw *hw, void *buff,
3113 				     u32 cap_count,
3114 				     enum i40e_admin_queue_opc list_type_opc)
3115 {
3116 	struct i40e_aqc_list_capabilities_element_resp *cap;
3117 	u32 valid_functions, num_functions;
3118 	u32 number, logical_id, phys_id;
3119 	struct i40e_hw_capabilities *p;
3120 	u16 id, ocp_cfg_word0;
3121 	u8 major_rev;
3122 	int status;
3123 	u32 i = 0;
3124 
3125 	cap = (struct i40e_aqc_list_capabilities_element_resp *) buff;
3126 
3127 	if (list_type_opc == i40e_aqc_opc_list_dev_capabilities)
3128 		p = &hw->dev_caps;
3129 	else if (list_type_opc == i40e_aqc_opc_list_func_capabilities)
3130 		p = &hw->func_caps;
3131 	else
3132 		return;
3133 
3134 	for (i = 0; i < cap_count; i++, cap++) {
3135 		id = le16_to_cpu(cap->id);
3136 		number = le32_to_cpu(cap->number);
3137 		logical_id = le32_to_cpu(cap->logical_id);
3138 		phys_id = le32_to_cpu(cap->phys_id);
3139 		major_rev = cap->major_rev;
3140 
3141 		switch (id) {
3142 		case I40E_AQ_CAP_ID_SWITCH_MODE:
3143 			p->switch_mode = number;
3144 			break;
3145 		case I40E_AQ_CAP_ID_MNG_MODE:
3146 			p->management_mode = number;
3147 			if (major_rev > 1) {
3148 				p->mng_protocols_over_mctp = logical_id;
3149 				i40e_debug(hw, I40E_DEBUG_INIT,
3150 					   "HW Capability: Protocols over MCTP = %d\n",
3151 					   p->mng_protocols_over_mctp);
3152 			} else {
3153 				p->mng_protocols_over_mctp = 0;
3154 			}
3155 			break;
3156 		case I40E_AQ_CAP_ID_NPAR_ACTIVE:
3157 			p->npar_enable = number;
3158 			break;
3159 		case I40E_AQ_CAP_ID_OS2BMC_CAP:
3160 			p->os2bmc = number;
3161 			break;
3162 		case I40E_AQ_CAP_ID_FUNCTIONS_VALID:
3163 			p->valid_functions = number;
3164 			break;
3165 		case I40E_AQ_CAP_ID_SRIOV:
3166 			if (number == 1)
3167 				p->sr_iov_1_1 = true;
3168 			break;
3169 		case I40E_AQ_CAP_ID_VF:
3170 			p->num_vfs = number;
3171 			p->vf_base_id = logical_id;
3172 			break;
3173 		case I40E_AQ_CAP_ID_VMDQ:
3174 			if (number == 1)
3175 				p->vmdq = true;
3176 			break;
3177 		case I40E_AQ_CAP_ID_8021QBG:
3178 			if (number == 1)
3179 				p->evb_802_1_qbg = true;
3180 			break;
3181 		case I40E_AQ_CAP_ID_8021QBR:
3182 			if (number == 1)
3183 				p->evb_802_1_qbh = true;
3184 			break;
3185 		case I40E_AQ_CAP_ID_VSI:
3186 			p->num_vsis = number;
3187 			break;
3188 		case I40E_AQ_CAP_ID_DCB:
3189 			if (number == 1) {
3190 				p->dcb = true;
3191 				p->enabled_tcmap = logical_id;
3192 				p->maxtc = phys_id;
3193 			}
3194 			break;
3195 		case I40E_AQ_CAP_ID_FCOE:
3196 			if (number == 1)
3197 				p->fcoe = true;
3198 			break;
3199 		case I40E_AQ_CAP_ID_ISCSI:
3200 			if (number == 1)
3201 				p->iscsi = true;
3202 			break;
3203 		case I40E_AQ_CAP_ID_RSS:
3204 			p->rss = true;
3205 			p->rss_table_size = number;
3206 			p->rss_table_entry_width = logical_id;
3207 			break;
3208 		case I40E_AQ_CAP_ID_RXQ:
3209 			p->num_rx_qp = number;
3210 			p->base_queue = phys_id;
3211 			break;
3212 		case I40E_AQ_CAP_ID_TXQ:
3213 			p->num_tx_qp = number;
3214 			p->base_queue = phys_id;
3215 			break;
3216 		case I40E_AQ_CAP_ID_MSIX:
3217 			p->num_msix_vectors = number;
3218 			i40e_debug(hw, I40E_DEBUG_INIT,
3219 				   "HW Capability: MSIX vector count = %d\n",
3220 				   p->num_msix_vectors);
3221 			break;
3222 		case I40E_AQ_CAP_ID_VF_MSIX:
3223 			p->num_msix_vectors_vf = number;
3224 			break;
3225 		case I40E_AQ_CAP_ID_FLEX10:
3226 			if (major_rev == 1) {
3227 				if (number == 1) {
3228 					p->flex10_enable = true;
3229 					p->flex10_capable = true;
3230 				}
3231 			} else {
3232 				/* Capability revision >= 2 */
3233 				if (number & 1)
3234 					p->flex10_enable = true;
3235 				if (number & 2)
3236 					p->flex10_capable = true;
3237 			}
3238 			p->flex10_mode = logical_id;
3239 			p->flex10_status = phys_id;
3240 			break;
3241 		case I40E_AQ_CAP_ID_CEM:
3242 			if (number == 1)
3243 				p->mgmt_cem = true;
3244 			break;
3245 		case I40E_AQ_CAP_ID_IWARP:
3246 			if (number == 1)
3247 				p->iwarp = true;
3248 			break;
3249 		case I40E_AQ_CAP_ID_LED:
3250 			if (phys_id < I40E_HW_CAP_MAX_GPIO)
3251 				p->led[phys_id] = true;
3252 			break;
3253 		case I40E_AQ_CAP_ID_SDP:
3254 			if (phys_id < I40E_HW_CAP_MAX_GPIO)
3255 				p->sdp[phys_id] = true;
3256 			break;
3257 		case I40E_AQ_CAP_ID_MDIO:
3258 			if (number == 1) {
3259 				p->mdio_port_num = phys_id;
3260 				p->mdio_port_mode = logical_id;
3261 			}
3262 			break;
3263 		case I40E_AQ_CAP_ID_1588:
3264 			if (number == 1)
3265 				p->ieee_1588 = true;
3266 			break;
3267 		case I40E_AQ_CAP_ID_FLOW_DIRECTOR:
3268 			p->fd = true;
3269 			p->fd_filters_guaranteed = number;
3270 			p->fd_filters_best_effort = logical_id;
3271 			break;
3272 		case I40E_AQ_CAP_ID_WSR_PROT:
3273 			p->wr_csr_prot = (u64)number;
3274 			p->wr_csr_prot |= (u64)logical_id << 32;
3275 			break;
3276 		case I40E_AQ_CAP_ID_NVM_MGMT:
3277 			if (number & I40E_NVM_MGMT_SEC_REV_DISABLED)
3278 				p->sec_rev_disabled = true;
3279 			if (number & I40E_NVM_MGMT_UPDATE_DISABLED)
3280 				p->update_disabled = true;
3281 			break;
3282 		default:
3283 			break;
3284 		}
3285 	}
3286 
3287 	if (p->fcoe)
3288 		i40e_debug(hw, I40E_DEBUG_ALL, "device is FCoE capable\n");
3289 
3290 	/* Software override ensuring FCoE is disabled if npar or mfp
3291 	 * mode because it is not supported in these modes.
3292 	 */
3293 	if (p->npar_enable || p->flex10_enable)
3294 		p->fcoe = false;
3295 
3296 	/* count the enabled ports (aka the "not disabled" ports) */
3297 	hw->num_ports = 0;
3298 	for (i = 0; i < 4; i++) {
3299 		u32 port_cfg_reg = I40E_PRTGEN_CNF + (4 * i);
3300 		u64 port_cfg = 0;
3301 
3302 		/* use AQ read to get the physical register offset instead
3303 		 * of the port relative offset
3304 		 */
3305 		i40e_aq_debug_read_register(hw, port_cfg_reg, &port_cfg, NULL);
3306 		if (!(port_cfg & I40E_PRTGEN_CNF_PORT_DIS_MASK))
3307 			hw->num_ports++;
3308 	}
3309 
3310 	/* OCP cards case: if a mezz is removed the Ethernet port is at
3311 	 * disabled state in PRTGEN_CNF register. Additional NVM read is
3312 	 * needed in order to check if we are dealing with OCP card.
3313 	 * Those cards have 4 PFs at minimum, so using PRTGEN_CNF for counting
3314 	 * physical ports results in wrong partition id calculation and thus
3315 	 * not supporting WoL.
3316 	 */
3317 	if (hw->mac.type == I40E_MAC_X722) {
3318 		if (!i40e_acquire_nvm(hw, I40E_RESOURCE_READ)) {
3319 			status = i40e_aq_read_nvm(hw, I40E_SR_EMP_MODULE_PTR,
3320 						  2 * I40E_SR_OCP_CFG_WORD0,
3321 						  sizeof(ocp_cfg_word0),
3322 						  &ocp_cfg_word0, true, NULL);
3323 			if (!status &&
3324 			    (ocp_cfg_word0 & I40E_SR_OCP_ENABLED))
3325 				hw->num_ports = 4;
3326 			i40e_release_nvm(hw);
3327 		}
3328 	}
3329 
3330 	valid_functions = p->valid_functions;
3331 	num_functions = 0;
3332 	while (valid_functions) {
3333 		if (valid_functions & 1)
3334 			num_functions++;
3335 		valid_functions >>= 1;
3336 	}
3337 
3338 	/* partition id is 1-based, and functions are evenly spread
3339 	 * across the ports as partitions
3340 	 */
3341 	if (hw->num_ports != 0) {
3342 		hw->partition_id = (hw->pf_id / hw->num_ports) + 1;
3343 		hw->num_partitions = num_functions / hw->num_ports;
3344 	}
3345 
3346 	/* additional HW specific goodies that might
3347 	 * someday be HW version specific
3348 	 */
3349 	p->rx_buf_chain_len = I40E_MAX_CHAINED_RX_BUFFERS;
3350 }
3351 
3352 /**
3353  * i40e_aq_discover_capabilities
3354  * @hw: pointer to the hw struct
3355  * @buff: a virtual buffer to hold the capabilities
3356  * @buff_size: Size of the virtual buffer
3357  * @data_size: Size of the returned data, or buff size needed if AQ err==ENOMEM
3358  * @list_type_opc: capabilities type to discover - pass in the command opcode
3359  * @cmd_details: pointer to command details structure or NULL
3360  *
3361  * Get the device capabilities descriptions from the firmware
3362  **/
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)3363 int i40e_aq_discover_capabilities(struct i40e_hw *hw,
3364 				  void *buff, u16 buff_size, u16 *data_size,
3365 				  enum i40e_admin_queue_opc list_type_opc,
3366 				  struct i40e_asq_cmd_details *cmd_details)
3367 {
3368 	struct i40e_aqc_list_capabilites *cmd;
3369 	struct i40e_aq_desc desc;
3370 	int status = 0;
3371 
3372 	cmd = (struct i40e_aqc_list_capabilites *)&desc.params.raw;
3373 
3374 	if (list_type_opc != i40e_aqc_opc_list_func_capabilities &&
3375 		list_type_opc != i40e_aqc_opc_list_dev_capabilities) {
3376 		status = -EINVAL;
3377 		goto exit;
3378 	}
3379 
3380 	i40e_fill_default_direct_cmd_desc(&desc, list_type_opc);
3381 
3382 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
3383 	if (buff_size > I40E_AQ_LARGE_BUF)
3384 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
3385 
3386 	status = i40e_asq_send_command(hw, &desc, buff, buff_size, cmd_details);
3387 	*data_size = le16_to_cpu(desc.datalen);
3388 
3389 	if (status)
3390 		goto exit;
3391 
3392 	i40e_parse_discover_capabilities(hw, buff, le32_to_cpu(cmd->count),
3393 					 list_type_opc);
3394 
3395 exit:
3396 	return status;
3397 }
3398 
3399 /**
3400  * i40e_aq_update_nvm
3401  * @hw: pointer to the hw struct
3402  * @module_pointer: module pointer location in words from the NVM beginning
3403  * @offset: byte offset from the module beginning
3404  * @length: length of the section to be written (in bytes from the offset)
3405  * @data: command buffer (size [bytes] = length)
3406  * @last_command: tells if this is the last command in a series
3407  * @preservation_flags: Preservation mode flags
3408  * @cmd_details: pointer to command details structure or NULL
3409  *
3410  * Update the NVM using the admin queue commands
3411  **/
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)3412 int i40e_aq_update_nvm(struct i40e_hw *hw, u8 module_pointer,
3413 		       u32 offset, u16 length, void *data,
3414 		       bool last_command, u8 preservation_flags,
3415 		       struct i40e_asq_cmd_details *cmd_details)
3416 {
3417 	struct i40e_aq_desc desc;
3418 	struct i40e_aqc_nvm_update *cmd =
3419 		(struct i40e_aqc_nvm_update *)&desc.params.raw;
3420 	int status;
3421 
3422 	/* In offset the highest byte must be zeroed. */
3423 	if (offset & 0xFF000000) {
3424 		status = -EINVAL;
3425 		goto i40e_aq_update_nvm_exit;
3426 	}
3427 
3428 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_nvm_update);
3429 
3430 	/* If this is the last command in a series, set the proper flag. */
3431 	if (last_command)
3432 		cmd->command_flags |= I40E_AQ_NVM_LAST_CMD;
3433 	if (hw->mac.type == I40E_MAC_X722) {
3434 		if (preservation_flags == I40E_NVM_PRESERVATION_FLAGS_SELECTED)
3435 			cmd->command_flags |=
3436 				(I40E_AQ_NVM_PRESERVATION_FLAGS_SELECTED <<
3437 				 I40E_AQ_NVM_PRESERVATION_FLAGS_SHIFT);
3438 		else if (preservation_flags == I40E_NVM_PRESERVATION_FLAGS_ALL)
3439 			cmd->command_flags |=
3440 				(I40E_AQ_NVM_PRESERVATION_FLAGS_ALL <<
3441 				 I40E_AQ_NVM_PRESERVATION_FLAGS_SHIFT);
3442 	}
3443 	cmd->module_pointer = module_pointer;
3444 	cmd->offset = cpu_to_le32(offset);
3445 	cmd->length = cpu_to_le16(length);
3446 
3447 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
3448 	if (length > I40E_AQ_LARGE_BUF)
3449 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
3450 
3451 	status = i40e_asq_send_command(hw, &desc, data, length, cmd_details);
3452 
3453 i40e_aq_update_nvm_exit:
3454 	return status;
3455 }
3456 
3457 /**
3458  * i40e_aq_rearrange_nvm
3459  * @hw: pointer to the hw struct
3460  * @rearrange_nvm: defines direction of rearrangement
3461  * @cmd_details: pointer to command details structure or NULL
3462  *
3463  * Rearrange NVM structure, available only for transition FW
3464  **/
i40e_aq_rearrange_nvm(struct i40e_hw * hw,u8 rearrange_nvm,struct i40e_asq_cmd_details * cmd_details)3465 int i40e_aq_rearrange_nvm(struct i40e_hw *hw,
3466 			  u8 rearrange_nvm,
3467 			  struct i40e_asq_cmd_details *cmd_details)
3468 {
3469 	struct i40e_aqc_nvm_update *cmd;
3470 	struct i40e_aq_desc desc;
3471 	int status;
3472 
3473 	cmd = (struct i40e_aqc_nvm_update *)&desc.params.raw;
3474 
3475 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_nvm_update);
3476 
3477 	rearrange_nvm &= (I40E_AQ_NVM_REARRANGE_TO_FLAT |
3478 			 I40E_AQ_NVM_REARRANGE_TO_STRUCT);
3479 
3480 	if (!rearrange_nvm) {
3481 		status = -EINVAL;
3482 		goto i40e_aq_rearrange_nvm_exit;
3483 	}
3484 
3485 	cmd->command_flags |= rearrange_nvm;
3486 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3487 
3488 i40e_aq_rearrange_nvm_exit:
3489 	return status;
3490 }
3491 
3492 /**
3493  * i40e_aq_get_lldp_mib
3494  * @hw: pointer to the hw struct
3495  * @bridge_type: type of bridge requested
3496  * @mib_type: Local, Remote or both Local and Remote MIBs
3497  * @buff: pointer to a user supplied buffer to store the MIB block
3498  * @buff_size: size of the buffer (in bytes)
3499  * @local_len : length of the returned Local LLDP MIB
3500  * @remote_len: length of the returned Remote LLDP MIB
3501  * @cmd_details: pointer to command details structure or NULL
3502  *
3503  * Requests the complete LLDP MIB (entire packet).
3504  **/
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)3505 int i40e_aq_get_lldp_mib(struct i40e_hw *hw, u8 bridge_type,
3506 			 u8 mib_type, void *buff, u16 buff_size,
3507 			 u16 *local_len, u16 *remote_len,
3508 			 struct i40e_asq_cmd_details *cmd_details)
3509 {
3510 	struct i40e_aq_desc desc;
3511 	struct i40e_aqc_lldp_get_mib *cmd =
3512 		(struct i40e_aqc_lldp_get_mib *)&desc.params.raw;
3513 	struct i40e_aqc_lldp_get_mib *resp =
3514 		(struct i40e_aqc_lldp_get_mib *)&desc.params.raw;
3515 	int status;
3516 
3517 	if (buff_size == 0 || !buff)
3518 		return -EINVAL;
3519 
3520 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_lldp_get_mib);
3521 	/* Indirect Command */
3522 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
3523 
3524 	cmd->type = mib_type & I40E_AQ_LLDP_MIB_TYPE_MASK;
3525 	cmd->type |= ((bridge_type << I40E_AQ_LLDP_BRIDGE_TYPE_SHIFT) &
3526 		       I40E_AQ_LLDP_BRIDGE_TYPE_MASK);
3527 
3528 	desc.datalen = cpu_to_le16(buff_size);
3529 
3530 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
3531 	if (buff_size > I40E_AQ_LARGE_BUF)
3532 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
3533 
3534 	status = i40e_asq_send_command(hw, &desc, buff, buff_size, cmd_details);
3535 	if (!status) {
3536 		if (local_len != NULL)
3537 			*local_len = le16_to_cpu(resp->local_len);
3538 		if (remote_len != NULL)
3539 			*remote_len = le16_to_cpu(resp->remote_len);
3540 	}
3541 
3542 	return status;
3543 }
3544 
3545 /**
3546  * i40e_aq_set_lldp_mib - Set the LLDP MIB
3547  * @hw: pointer to the hw struct
3548  * @mib_type: Local, Remote or both Local and Remote MIBs
3549  * @buff: pointer to a user supplied buffer to store the MIB block
3550  * @buff_size: size of the buffer (in bytes)
3551  * @cmd_details: pointer to command details structure or NULL
3552  *
3553  * Set the LLDP MIB.
3554  **/
3555 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)3556 i40e_aq_set_lldp_mib(struct i40e_hw *hw,
3557 		     u8 mib_type, void *buff, u16 buff_size,
3558 		     struct i40e_asq_cmd_details *cmd_details)
3559 {
3560 	struct i40e_aqc_lldp_set_local_mib *cmd;
3561 	struct i40e_aq_desc desc;
3562 	int status;
3563 
3564 	cmd = (struct i40e_aqc_lldp_set_local_mib *)&desc.params.raw;
3565 	if (buff_size == 0 || !buff)
3566 		return -EINVAL;
3567 
3568 	i40e_fill_default_direct_cmd_desc(&desc,
3569 					  i40e_aqc_opc_lldp_set_local_mib);
3570 	/* Indirect Command */
3571 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
3572 	if (buff_size > I40E_AQ_LARGE_BUF)
3573 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
3574 	desc.datalen = cpu_to_le16(buff_size);
3575 
3576 	cmd->type = mib_type;
3577 	cmd->length = cpu_to_le16(buff_size);
3578 	cmd->address_high = cpu_to_le32(upper_32_bits((uintptr_t)buff));
3579 	cmd->address_low = cpu_to_le32(lower_32_bits((uintptr_t)buff));
3580 
3581 	status = i40e_asq_send_command(hw, &desc, buff, buff_size, cmd_details);
3582 	return status;
3583 }
3584 
3585 /**
3586  * i40e_aq_cfg_lldp_mib_change_event
3587  * @hw: pointer to the hw struct
3588  * @enable_update: Enable or Disable event posting
3589  * @cmd_details: pointer to command details structure or NULL
3590  *
3591  * Enable or Disable posting of an event on ARQ when LLDP MIB
3592  * associated with the interface changes
3593  **/
i40e_aq_cfg_lldp_mib_change_event(struct i40e_hw * hw,bool enable_update,struct i40e_asq_cmd_details * cmd_details)3594 int i40e_aq_cfg_lldp_mib_change_event(struct i40e_hw *hw,
3595 				      bool enable_update,
3596 				      struct i40e_asq_cmd_details *cmd_details)
3597 {
3598 	struct i40e_aq_desc desc;
3599 	struct i40e_aqc_lldp_update_mib *cmd =
3600 		(struct i40e_aqc_lldp_update_mib *)&desc.params.raw;
3601 	int status;
3602 
3603 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_lldp_update_mib);
3604 
3605 	if (!enable_update)
3606 		cmd->command |= I40E_AQ_LLDP_MIB_UPDATE_DISABLE;
3607 
3608 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3609 
3610 	return status;
3611 }
3612 
3613 /**
3614  * i40e_aq_restore_lldp
3615  * @hw: pointer to the hw struct
3616  * @setting: pointer to factory setting variable or NULL
3617  * @restore: True if factory settings should be restored
3618  * @cmd_details: pointer to command details structure or NULL
3619  *
3620  * Restore LLDP Agent factory settings if @restore set to True. In other case
3621  * only returns factory setting in AQ response.
3622  **/
3623 int
i40e_aq_restore_lldp(struct i40e_hw * hw,u8 * setting,bool restore,struct i40e_asq_cmd_details * cmd_details)3624 i40e_aq_restore_lldp(struct i40e_hw *hw, u8 *setting, bool restore,
3625 		     struct i40e_asq_cmd_details *cmd_details)
3626 {
3627 	struct i40e_aq_desc desc;
3628 	struct i40e_aqc_lldp_restore *cmd =
3629 		(struct i40e_aqc_lldp_restore *)&desc.params.raw;
3630 	int status;
3631 
3632 	if (!(hw->flags & I40E_HW_FLAG_FW_LLDP_PERSISTENT)) {
3633 		i40e_debug(hw, I40E_DEBUG_ALL,
3634 			   "Restore LLDP not supported by current FW version.\n");
3635 		return -ENODEV;
3636 	}
3637 
3638 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_lldp_restore);
3639 
3640 	if (restore)
3641 		cmd->command |= I40E_AQ_LLDP_AGENT_RESTORE;
3642 
3643 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3644 
3645 	if (setting)
3646 		*setting = cmd->command & 1;
3647 
3648 	return status;
3649 }
3650 
3651 /**
3652  * i40e_aq_stop_lldp
3653  * @hw: pointer to the hw struct
3654  * @shutdown_agent: True if LLDP Agent needs to be Shutdown
3655  * @persist: True if stop of LLDP should be persistent across power cycles
3656  * @cmd_details: pointer to command details structure or NULL
3657  *
3658  * Stop or Shutdown the embedded LLDP Agent
3659  **/
i40e_aq_stop_lldp(struct i40e_hw * hw,bool shutdown_agent,bool persist,struct i40e_asq_cmd_details * cmd_details)3660 int i40e_aq_stop_lldp(struct i40e_hw *hw, bool shutdown_agent,
3661 		      bool persist,
3662 		      struct i40e_asq_cmd_details *cmd_details)
3663 {
3664 	struct i40e_aq_desc desc;
3665 	struct i40e_aqc_lldp_stop *cmd =
3666 		(struct i40e_aqc_lldp_stop *)&desc.params.raw;
3667 	int status;
3668 
3669 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_lldp_stop);
3670 
3671 	if (shutdown_agent)
3672 		cmd->command |= I40E_AQ_LLDP_AGENT_SHUTDOWN;
3673 
3674 	if (persist) {
3675 		if (hw->flags & I40E_HW_FLAG_FW_LLDP_PERSISTENT)
3676 			cmd->command |= I40E_AQ_LLDP_AGENT_STOP_PERSIST;
3677 		else
3678 			i40e_debug(hw, I40E_DEBUG_ALL,
3679 				   "Persistent Stop LLDP not supported by current FW version.\n");
3680 	}
3681 
3682 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3683 
3684 	return status;
3685 }
3686 
3687 /**
3688  * i40e_aq_start_lldp
3689  * @hw: pointer to the hw struct
3690  * @persist: True if start of LLDP should be persistent across power cycles
3691  * @cmd_details: pointer to command details structure or NULL
3692  *
3693  * Start the embedded LLDP Agent on all ports.
3694  **/
i40e_aq_start_lldp(struct i40e_hw * hw,bool persist,struct i40e_asq_cmd_details * cmd_details)3695 int i40e_aq_start_lldp(struct i40e_hw *hw, bool persist,
3696 		       struct i40e_asq_cmd_details *cmd_details)
3697 {
3698 	struct i40e_aq_desc desc;
3699 	struct i40e_aqc_lldp_start *cmd =
3700 		(struct i40e_aqc_lldp_start *)&desc.params.raw;
3701 	int status;
3702 
3703 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_lldp_start);
3704 
3705 	cmd->command = I40E_AQ_LLDP_AGENT_START;
3706 
3707 	if (persist) {
3708 		if (hw->flags & I40E_HW_FLAG_FW_LLDP_PERSISTENT)
3709 			cmd->command |= I40E_AQ_LLDP_AGENT_START_PERSIST;
3710 		else
3711 			i40e_debug(hw, I40E_DEBUG_ALL,
3712 				   "Persistent Start LLDP not supported by current FW version.\n");
3713 	}
3714 
3715 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3716 
3717 	return status;
3718 }
3719 
3720 /**
3721  * i40e_aq_set_dcb_parameters
3722  * @hw: pointer to the hw struct
3723  * @cmd_details: pointer to command details structure or NULL
3724  * @dcb_enable: True if DCB configuration needs to be applied
3725  *
3726  **/
3727 int
i40e_aq_set_dcb_parameters(struct i40e_hw * hw,bool dcb_enable,struct i40e_asq_cmd_details * cmd_details)3728 i40e_aq_set_dcb_parameters(struct i40e_hw *hw, bool dcb_enable,
3729 			   struct i40e_asq_cmd_details *cmd_details)
3730 {
3731 	struct i40e_aq_desc desc;
3732 	struct i40e_aqc_set_dcb_parameters *cmd =
3733 		(struct i40e_aqc_set_dcb_parameters *)&desc.params.raw;
3734 	int status;
3735 
3736 	if (!(hw->flags & I40E_HW_FLAG_FW_LLDP_STOPPABLE))
3737 		return -ENODEV;
3738 
3739 	i40e_fill_default_direct_cmd_desc(&desc,
3740 					  i40e_aqc_opc_set_dcb_parameters);
3741 
3742 	if (dcb_enable) {
3743 		cmd->valid_flags = I40E_DCB_VALID;
3744 		cmd->command = I40E_AQ_DCB_SET_AGENT;
3745 	}
3746 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3747 
3748 	return status;
3749 }
3750 
3751 /**
3752  * i40e_aq_get_cee_dcb_config
3753  * @hw: pointer to the hw struct
3754  * @buff: response buffer that stores CEE operational configuration
3755  * @buff_size: size of the buffer passed
3756  * @cmd_details: pointer to command details structure or NULL
3757  *
3758  * Get CEE DCBX mode operational configuration from firmware
3759  **/
i40e_aq_get_cee_dcb_config(struct i40e_hw * hw,void * buff,u16 buff_size,struct i40e_asq_cmd_details * cmd_details)3760 int i40e_aq_get_cee_dcb_config(struct i40e_hw *hw,
3761 			       void *buff, u16 buff_size,
3762 			       struct i40e_asq_cmd_details *cmd_details)
3763 {
3764 	struct i40e_aq_desc desc;
3765 	int status;
3766 
3767 	if (buff_size == 0 || !buff)
3768 		return -EINVAL;
3769 
3770 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_get_cee_dcb_cfg);
3771 
3772 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
3773 	status = i40e_asq_send_command(hw, &desc, (void *)buff, buff_size,
3774 				       cmd_details);
3775 
3776 	return status;
3777 }
3778 
3779 /**
3780  * i40e_aq_add_udp_tunnel
3781  * @hw: pointer to the hw struct
3782  * @udp_port: the UDP port to add in Host byte order
3783  * @protocol_index: protocol index type
3784  * @filter_index: pointer to filter index
3785  * @cmd_details: pointer to command details structure or NULL
3786  *
3787  * Note: Firmware expects the udp_port value to be in Little Endian format,
3788  * and this function will call cpu_to_le16 to convert from Host byte order to
3789  * Little Endian order.
3790  **/
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)3791 int i40e_aq_add_udp_tunnel(struct i40e_hw *hw,
3792 			   u16 udp_port, u8 protocol_index,
3793 			   u8 *filter_index,
3794 			   struct i40e_asq_cmd_details *cmd_details)
3795 {
3796 	struct i40e_aq_desc desc;
3797 	struct i40e_aqc_add_udp_tunnel *cmd =
3798 		(struct i40e_aqc_add_udp_tunnel *)&desc.params.raw;
3799 	struct i40e_aqc_del_udp_tunnel_completion *resp =
3800 		(struct i40e_aqc_del_udp_tunnel_completion *)&desc.params.raw;
3801 	int status;
3802 
3803 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_add_udp_tunnel);
3804 
3805 	cmd->udp_port = cpu_to_le16(udp_port);
3806 	cmd->protocol_type = protocol_index;
3807 
3808 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3809 
3810 	if (!status && filter_index)
3811 		*filter_index = resp->index;
3812 
3813 	return status;
3814 }
3815 
3816 /**
3817  * i40e_aq_del_udp_tunnel
3818  * @hw: pointer to the hw struct
3819  * @index: filter index
3820  * @cmd_details: pointer to command details structure or NULL
3821  **/
i40e_aq_del_udp_tunnel(struct i40e_hw * hw,u8 index,struct i40e_asq_cmd_details * cmd_details)3822 int i40e_aq_del_udp_tunnel(struct i40e_hw *hw, u8 index,
3823 			   struct i40e_asq_cmd_details *cmd_details)
3824 {
3825 	struct i40e_aq_desc desc;
3826 	struct i40e_aqc_remove_udp_tunnel *cmd =
3827 		(struct i40e_aqc_remove_udp_tunnel *)&desc.params.raw;
3828 	int status;
3829 
3830 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_del_udp_tunnel);
3831 
3832 	cmd->index = index;
3833 
3834 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3835 
3836 	return status;
3837 }
3838 
3839 /**
3840  * i40e_aq_delete_element - Delete switch element
3841  * @hw: pointer to the hw struct
3842  * @seid: the SEID to delete from the switch
3843  * @cmd_details: pointer to command details structure or NULL
3844  *
3845  * This deletes a switch element from the switch.
3846  **/
i40e_aq_delete_element(struct i40e_hw * hw,u16 seid,struct i40e_asq_cmd_details * cmd_details)3847 int i40e_aq_delete_element(struct i40e_hw *hw, u16 seid,
3848 			   struct i40e_asq_cmd_details *cmd_details)
3849 {
3850 	struct i40e_aq_desc desc;
3851 	struct i40e_aqc_switch_seid *cmd =
3852 		(struct i40e_aqc_switch_seid *)&desc.params.raw;
3853 	int status;
3854 
3855 	if (seid == 0)
3856 		return -EINVAL;
3857 
3858 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_delete_element);
3859 
3860 	cmd->seid = cpu_to_le16(seid);
3861 
3862 	status = i40e_asq_send_command_atomic(hw, &desc, NULL, 0,
3863 					      cmd_details, true);
3864 
3865 	return status;
3866 }
3867 
3868 /**
3869  * i40e_aq_dcb_updated - DCB Updated Command
3870  * @hw: pointer to the hw struct
3871  * @cmd_details: pointer to command details structure or NULL
3872  *
3873  * EMP will return when the shared RPB settings have been
3874  * recomputed and modified. The retval field in the descriptor
3875  * will be set to 0 when RPB is modified.
3876  **/
i40e_aq_dcb_updated(struct i40e_hw * hw,struct i40e_asq_cmd_details * cmd_details)3877 int i40e_aq_dcb_updated(struct i40e_hw *hw,
3878 			struct i40e_asq_cmd_details *cmd_details)
3879 {
3880 	struct i40e_aq_desc desc;
3881 	int status;
3882 
3883 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_dcb_updated);
3884 
3885 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3886 
3887 	return status;
3888 }
3889 
3890 /**
3891  * i40e_aq_tx_sched_cmd - generic Tx scheduler AQ command handler
3892  * @hw: pointer to the hw struct
3893  * @seid: seid for the physical port/switching component/vsi
3894  * @buff: Indirect buffer to hold data parameters and response
3895  * @buff_size: Indirect buffer size
3896  * @opcode: Tx scheduler AQ command opcode
3897  * @cmd_details: pointer to command details structure or NULL
3898  *
3899  * Generic command handler for Tx scheduler AQ commands
3900  **/
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)3901 static int i40e_aq_tx_sched_cmd(struct i40e_hw *hw, u16 seid,
3902 				void *buff, u16 buff_size,
3903 				enum i40e_admin_queue_opc opcode,
3904 				struct i40e_asq_cmd_details *cmd_details)
3905 {
3906 	struct i40e_aq_desc desc;
3907 	struct i40e_aqc_tx_sched_ind *cmd =
3908 		(struct i40e_aqc_tx_sched_ind *)&desc.params.raw;
3909 	int status;
3910 	bool cmd_param_flag = false;
3911 
3912 	switch (opcode) {
3913 	case i40e_aqc_opc_configure_vsi_ets_sla_bw_limit:
3914 	case i40e_aqc_opc_configure_vsi_tc_bw:
3915 	case i40e_aqc_opc_enable_switching_comp_ets:
3916 	case i40e_aqc_opc_modify_switching_comp_ets:
3917 	case i40e_aqc_opc_disable_switching_comp_ets:
3918 	case i40e_aqc_opc_configure_switching_comp_ets_bw_limit:
3919 	case i40e_aqc_opc_configure_switching_comp_bw_config:
3920 		cmd_param_flag = true;
3921 		break;
3922 	case i40e_aqc_opc_query_vsi_bw_config:
3923 	case i40e_aqc_opc_query_vsi_ets_sla_config:
3924 	case i40e_aqc_opc_query_switching_comp_ets_config:
3925 	case i40e_aqc_opc_query_port_ets_config:
3926 	case i40e_aqc_opc_query_switching_comp_bw_config:
3927 		cmd_param_flag = false;
3928 		break;
3929 	default:
3930 		return -EINVAL;
3931 	}
3932 
3933 	i40e_fill_default_direct_cmd_desc(&desc, opcode);
3934 
3935 	/* Indirect command */
3936 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
3937 	if (cmd_param_flag)
3938 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_RD);
3939 	if (buff_size > I40E_AQ_LARGE_BUF)
3940 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
3941 
3942 	desc.datalen = cpu_to_le16(buff_size);
3943 
3944 	cmd->vsi_seid = cpu_to_le16(seid);
3945 
3946 	status = i40e_asq_send_command(hw, &desc, buff, buff_size, cmd_details);
3947 
3948 	return status;
3949 }
3950 
3951 /**
3952  * i40e_aq_config_vsi_bw_limit - Configure VSI BW Limit
3953  * @hw: pointer to the hw struct
3954  * @seid: VSI seid
3955  * @credit: BW limit credits (0 = disabled)
3956  * @max_credit: Max BW limit credits
3957  * @cmd_details: pointer to command details structure or NULL
3958  **/
i40e_aq_config_vsi_bw_limit(struct i40e_hw * hw,u16 seid,u16 credit,u8 max_credit,struct i40e_asq_cmd_details * cmd_details)3959 int i40e_aq_config_vsi_bw_limit(struct i40e_hw *hw,
3960 				u16 seid, u16 credit, u8 max_credit,
3961 				struct i40e_asq_cmd_details *cmd_details)
3962 {
3963 	struct i40e_aq_desc desc;
3964 	struct i40e_aqc_configure_vsi_bw_limit *cmd =
3965 		(struct i40e_aqc_configure_vsi_bw_limit *)&desc.params.raw;
3966 	int status;
3967 
3968 	i40e_fill_default_direct_cmd_desc(&desc,
3969 					  i40e_aqc_opc_configure_vsi_bw_limit);
3970 
3971 	cmd->vsi_seid = cpu_to_le16(seid);
3972 	cmd->credit = cpu_to_le16(credit);
3973 	cmd->max_credit = max_credit;
3974 
3975 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
3976 
3977 	return status;
3978 }
3979 
3980 /**
3981  * i40e_aq_config_vsi_tc_bw - Config VSI BW Allocation per TC
3982  * @hw: pointer to the hw struct
3983  * @seid: VSI seid
3984  * @bw_data: Buffer holding enabled TCs, relative TC BW limit/credits
3985  * @cmd_details: pointer to command details structure or NULL
3986  **/
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)3987 int i40e_aq_config_vsi_tc_bw(struct i40e_hw *hw,
3988 			     u16 seid,
3989 			     struct i40e_aqc_configure_vsi_tc_bw_data *bw_data,
3990 			     struct i40e_asq_cmd_details *cmd_details)
3991 {
3992 	return i40e_aq_tx_sched_cmd(hw, seid, (void *)bw_data, sizeof(*bw_data),
3993 				    i40e_aqc_opc_configure_vsi_tc_bw,
3994 				    cmd_details);
3995 }
3996 
3997 /**
3998  * i40e_aq_config_switch_comp_ets - Enable/Disable/Modify ETS on the port
3999  * @hw: pointer to the hw struct
4000  * @seid: seid of the switching component connected to Physical Port
4001  * @ets_data: Buffer holding ETS parameters
4002  * @opcode: Tx scheduler AQ command opcode
4003  * @cmd_details: pointer to command details structure or NULL
4004  **/
4005 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)4006 i40e_aq_config_switch_comp_ets(struct i40e_hw *hw,
4007 			       u16 seid,
4008 			       struct i40e_aqc_configure_switching_comp_ets_data *ets_data,
4009 			       enum i40e_admin_queue_opc opcode,
4010 			       struct i40e_asq_cmd_details *cmd_details)
4011 {
4012 	return i40e_aq_tx_sched_cmd(hw, seid, (void *)ets_data,
4013 				    sizeof(*ets_data), opcode, cmd_details);
4014 }
4015 
4016 /**
4017  * i40e_aq_config_switch_comp_bw_config - Config Switch comp BW Alloc per TC
4018  * @hw: pointer to the hw struct
4019  * @seid: seid of the switching component
4020  * @bw_data: Buffer holding enabled TCs, relative/absolute TC BW limit/credits
4021  * @cmd_details: pointer to command details structure or NULL
4022  **/
4023 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)4024 i40e_aq_config_switch_comp_bw_config(struct i40e_hw *hw,
4025 	u16 seid,
4026 	struct i40e_aqc_configure_switching_comp_bw_config_data *bw_data,
4027 	struct i40e_asq_cmd_details *cmd_details)
4028 {
4029 	return i40e_aq_tx_sched_cmd(hw, seid, (void *)bw_data, sizeof(*bw_data),
4030 			    i40e_aqc_opc_configure_switching_comp_bw_config,
4031 			    cmd_details);
4032 }
4033 
4034 /**
4035  * i40e_aq_query_vsi_bw_config - Query VSI BW configuration
4036  * @hw: pointer to the hw struct
4037  * @seid: seid of the VSI
4038  * @bw_data: Buffer to hold VSI BW configuration
4039  * @cmd_details: pointer to command details structure or NULL
4040  **/
4041 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)4042 i40e_aq_query_vsi_bw_config(struct i40e_hw *hw,
4043 			    u16 seid,
4044 			    struct i40e_aqc_query_vsi_bw_config_resp *bw_data,
4045 			    struct i40e_asq_cmd_details *cmd_details)
4046 {
4047 	return i40e_aq_tx_sched_cmd(hw, seid, (void *)bw_data, sizeof(*bw_data),
4048 				    i40e_aqc_opc_query_vsi_bw_config,
4049 				    cmd_details);
4050 }
4051 
4052 /**
4053  * i40e_aq_query_vsi_ets_sla_config - Query VSI BW configuration per TC
4054  * @hw: pointer to the hw struct
4055  * @seid: seid of the VSI
4056  * @bw_data: Buffer to hold VSI BW configuration per TC
4057  * @cmd_details: pointer to command details structure or NULL
4058  **/
4059 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)4060 i40e_aq_query_vsi_ets_sla_config(struct i40e_hw *hw,
4061 				 u16 seid,
4062 				 struct i40e_aqc_query_vsi_ets_sla_config_resp *bw_data,
4063 				 struct i40e_asq_cmd_details *cmd_details)
4064 {
4065 	return i40e_aq_tx_sched_cmd(hw, seid, (void *)bw_data, sizeof(*bw_data),
4066 				    i40e_aqc_opc_query_vsi_ets_sla_config,
4067 				    cmd_details);
4068 }
4069 
4070 /**
4071  * i40e_aq_query_switch_comp_ets_config - Query Switch comp BW config per TC
4072  * @hw: pointer to the hw struct
4073  * @seid: seid of the switching component
4074  * @bw_data: Buffer to hold switching component's per TC BW config
4075  * @cmd_details: pointer to command details structure or NULL
4076  **/
4077 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)4078 i40e_aq_query_switch_comp_ets_config(struct i40e_hw *hw,
4079 				     u16 seid,
4080 				     struct i40e_aqc_query_switching_comp_ets_config_resp *bw_data,
4081 				     struct i40e_asq_cmd_details *cmd_details)
4082 {
4083 	return i40e_aq_tx_sched_cmd(hw, seid, (void *)bw_data, sizeof(*bw_data),
4084 				   i40e_aqc_opc_query_switching_comp_ets_config,
4085 				   cmd_details);
4086 }
4087 
4088 /**
4089  * i40e_aq_query_port_ets_config - Query Physical Port ETS configuration
4090  * @hw: pointer to the hw struct
4091  * @seid: seid of the VSI or switching component connected to Physical Port
4092  * @bw_data: Buffer to hold current ETS configuration for the Physical Port
4093  * @cmd_details: pointer to command details structure or NULL
4094  **/
4095 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)4096 i40e_aq_query_port_ets_config(struct i40e_hw *hw,
4097 			      u16 seid,
4098 			      struct i40e_aqc_query_port_ets_config_resp *bw_data,
4099 			      struct i40e_asq_cmd_details *cmd_details)
4100 {
4101 	return i40e_aq_tx_sched_cmd(hw, seid, (void *)bw_data, sizeof(*bw_data),
4102 				    i40e_aqc_opc_query_port_ets_config,
4103 				    cmd_details);
4104 }
4105 
4106 /**
4107  * i40e_aq_query_switch_comp_bw_config - Query Switch comp BW configuration
4108  * @hw: pointer to the hw struct
4109  * @seid: seid of the switching component
4110  * @bw_data: Buffer to hold switching component's BW configuration
4111  * @cmd_details: pointer to command details structure or NULL
4112  **/
4113 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)4114 i40e_aq_query_switch_comp_bw_config(struct i40e_hw *hw,
4115 				    u16 seid,
4116 				    struct i40e_aqc_query_switching_comp_bw_config_resp *bw_data,
4117 				    struct i40e_asq_cmd_details *cmd_details)
4118 {
4119 	return i40e_aq_tx_sched_cmd(hw, seid, (void *)bw_data, sizeof(*bw_data),
4120 				    i40e_aqc_opc_query_switching_comp_bw_config,
4121 				    cmd_details);
4122 }
4123 
4124 /**
4125  * i40e_validate_filter_settings
4126  * @hw: pointer to the hardware structure
4127  * @settings: Filter control settings
4128  *
4129  * Check and validate the filter control settings passed.
4130  * The function checks for the valid filter/context sizes being
4131  * passed for FCoE and PE.
4132  *
4133  * Returns 0 if the values passed are valid and within
4134  * range else returns an error.
4135  **/
4136 static int
i40e_validate_filter_settings(struct i40e_hw * hw,struct i40e_filter_control_settings * settings)4137 i40e_validate_filter_settings(struct i40e_hw *hw,
4138 			      struct i40e_filter_control_settings *settings)
4139 {
4140 	u32 fcoe_cntx_size, fcoe_filt_size;
4141 	u32 fcoe_fmax;
4142 	u32 val;
4143 
4144 	/* Validate FCoE settings passed */
4145 	switch (settings->fcoe_filt_num) {
4146 	case I40E_HASH_FILTER_SIZE_1K:
4147 	case I40E_HASH_FILTER_SIZE_2K:
4148 	case I40E_HASH_FILTER_SIZE_4K:
4149 	case I40E_HASH_FILTER_SIZE_8K:
4150 	case I40E_HASH_FILTER_SIZE_16K:
4151 	case I40E_HASH_FILTER_SIZE_32K:
4152 		fcoe_filt_size = I40E_HASH_FILTER_BASE_SIZE;
4153 		fcoe_filt_size <<= (u32)settings->fcoe_filt_num;
4154 		break;
4155 	default:
4156 		return -EINVAL;
4157 	}
4158 
4159 	switch (settings->fcoe_cntx_num) {
4160 	case I40E_DMA_CNTX_SIZE_512:
4161 	case I40E_DMA_CNTX_SIZE_1K:
4162 	case I40E_DMA_CNTX_SIZE_2K:
4163 	case I40E_DMA_CNTX_SIZE_4K:
4164 		fcoe_cntx_size = I40E_DMA_CNTX_BASE_SIZE;
4165 		fcoe_cntx_size <<= (u32)settings->fcoe_cntx_num;
4166 		break;
4167 	default:
4168 		return -EINVAL;
4169 	}
4170 
4171 	/* Validate PE settings passed */
4172 	switch (settings->pe_filt_num) {
4173 	case I40E_HASH_FILTER_SIZE_1K:
4174 	case I40E_HASH_FILTER_SIZE_2K:
4175 	case I40E_HASH_FILTER_SIZE_4K:
4176 	case I40E_HASH_FILTER_SIZE_8K:
4177 	case I40E_HASH_FILTER_SIZE_16K:
4178 	case I40E_HASH_FILTER_SIZE_32K:
4179 	case I40E_HASH_FILTER_SIZE_64K:
4180 	case I40E_HASH_FILTER_SIZE_128K:
4181 	case I40E_HASH_FILTER_SIZE_256K:
4182 	case I40E_HASH_FILTER_SIZE_512K:
4183 	case I40E_HASH_FILTER_SIZE_1M:
4184 		break;
4185 	default:
4186 		return -EINVAL;
4187 	}
4188 
4189 	switch (settings->pe_cntx_num) {
4190 	case I40E_DMA_CNTX_SIZE_512:
4191 	case I40E_DMA_CNTX_SIZE_1K:
4192 	case I40E_DMA_CNTX_SIZE_2K:
4193 	case I40E_DMA_CNTX_SIZE_4K:
4194 	case I40E_DMA_CNTX_SIZE_8K:
4195 	case I40E_DMA_CNTX_SIZE_16K:
4196 	case I40E_DMA_CNTX_SIZE_32K:
4197 	case I40E_DMA_CNTX_SIZE_64K:
4198 	case I40E_DMA_CNTX_SIZE_128K:
4199 	case I40E_DMA_CNTX_SIZE_256K:
4200 		break;
4201 	default:
4202 		return -EINVAL;
4203 	}
4204 
4205 	/* FCHSIZE + FCDSIZE should not be greater than PMFCOEFMAX */
4206 	val = rd32(hw, I40E_GLHMC_FCOEFMAX);
4207 	fcoe_fmax = (val & I40E_GLHMC_FCOEFMAX_PMFCOEFMAX_MASK)
4208 		     >> I40E_GLHMC_FCOEFMAX_PMFCOEFMAX_SHIFT;
4209 	if (fcoe_filt_size + fcoe_cntx_size >  fcoe_fmax)
4210 		return -EINVAL;
4211 
4212 	return 0;
4213 }
4214 
4215 /**
4216  * i40e_set_filter_control
4217  * @hw: pointer to the hardware structure
4218  * @settings: Filter control settings
4219  *
4220  * Set the Queue Filters for PE/FCoE and enable filters required
4221  * for a single PF. It is expected that these settings are programmed
4222  * at the driver initialization time.
4223  **/
i40e_set_filter_control(struct i40e_hw * hw,struct i40e_filter_control_settings * settings)4224 int i40e_set_filter_control(struct i40e_hw *hw,
4225 			    struct i40e_filter_control_settings *settings)
4226 {
4227 	u32 hash_lut_size = 0;
4228 	int ret = 0;
4229 	u32 val;
4230 
4231 	if (!settings)
4232 		return -EINVAL;
4233 
4234 	/* Validate the input settings */
4235 	ret = i40e_validate_filter_settings(hw, settings);
4236 	if (ret)
4237 		return ret;
4238 
4239 	/* Read the PF Queue Filter control register */
4240 	val = i40e_read_rx_ctl(hw, I40E_PFQF_CTL_0);
4241 
4242 	/* Program required PE hash buckets for the PF */
4243 	val &= ~I40E_PFQF_CTL_0_PEHSIZE_MASK;
4244 	val |= ((u32)settings->pe_filt_num << I40E_PFQF_CTL_0_PEHSIZE_SHIFT) &
4245 		I40E_PFQF_CTL_0_PEHSIZE_MASK;
4246 	/* Program required PE contexts for the PF */
4247 	val &= ~I40E_PFQF_CTL_0_PEDSIZE_MASK;
4248 	val |= ((u32)settings->pe_cntx_num << I40E_PFQF_CTL_0_PEDSIZE_SHIFT) &
4249 		I40E_PFQF_CTL_0_PEDSIZE_MASK;
4250 
4251 	/* Program required FCoE hash buckets for the PF */
4252 	val &= ~I40E_PFQF_CTL_0_PFFCHSIZE_MASK;
4253 	val |= ((u32)settings->fcoe_filt_num <<
4254 			I40E_PFQF_CTL_0_PFFCHSIZE_SHIFT) &
4255 		I40E_PFQF_CTL_0_PFFCHSIZE_MASK;
4256 	/* Program required FCoE DDP contexts for the PF */
4257 	val &= ~I40E_PFQF_CTL_0_PFFCDSIZE_MASK;
4258 	val |= ((u32)settings->fcoe_cntx_num <<
4259 			I40E_PFQF_CTL_0_PFFCDSIZE_SHIFT) &
4260 		I40E_PFQF_CTL_0_PFFCDSIZE_MASK;
4261 
4262 	/* Program Hash LUT size for the PF */
4263 	val &= ~I40E_PFQF_CTL_0_HASHLUTSIZE_MASK;
4264 	if (settings->hash_lut_size == I40E_HASH_LUT_SIZE_512)
4265 		hash_lut_size = 1;
4266 	val |= (hash_lut_size << I40E_PFQF_CTL_0_HASHLUTSIZE_SHIFT) &
4267 		I40E_PFQF_CTL_0_HASHLUTSIZE_MASK;
4268 
4269 	/* Enable FDIR, Ethertype and MACVLAN filters for PF and VFs */
4270 	if (settings->enable_fdir)
4271 		val |= I40E_PFQF_CTL_0_FD_ENA_MASK;
4272 	if (settings->enable_ethtype)
4273 		val |= I40E_PFQF_CTL_0_ETYPE_ENA_MASK;
4274 	if (settings->enable_macvlan)
4275 		val |= I40E_PFQF_CTL_0_MACVLAN_ENA_MASK;
4276 
4277 	i40e_write_rx_ctl(hw, I40E_PFQF_CTL_0, val);
4278 
4279 	return 0;
4280 }
4281 
4282 /**
4283  * i40e_aq_add_rem_control_packet_filter - Add or Remove Control Packet Filter
4284  * @hw: pointer to the hw struct
4285  * @mac_addr: MAC address to use in the filter
4286  * @ethtype: Ethertype to use in the filter
4287  * @flags: Flags that needs to be applied to the filter
4288  * @vsi_seid: seid of the control VSI
4289  * @queue: VSI queue number to send the packet to
4290  * @is_add: Add control packet filter if True else remove
4291  * @stats: Structure to hold information on control filter counts
4292  * @cmd_details: pointer to command details structure or NULL
4293  *
4294  * This command will Add or Remove control packet filter for a control VSI.
4295  * In return it will update the total number of perfect filter count in
4296  * the stats member.
4297  **/
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)4298 int i40e_aq_add_rem_control_packet_filter(struct i40e_hw *hw,
4299 					  u8 *mac_addr, u16 ethtype, u16 flags,
4300 					  u16 vsi_seid, u16 queue, bool is_add,
4301 					  struct i40e_control_filter_stats *stats,
4302 					  struct i40e_asq_cmd_details *cmd_details)
4303 {
4304 	struct i40e_aq_desc desc;
4305 	struct i40e_aqc_add_remove_control_packet_filter *cmd =
4306 		(struct i40e_aqc_add_remove_control_packet_filter *)
4307 		&desc.params.raw;
4308 	struct i40e_aqc_add_remove_control_packet_filter_completion *resp =
4309 		(struct i40e_aqc_add_remove_control_packet_filter_completion *)
4310 		&desc.params.raw;
4311 	int status;
4312 
4313 	if (vsi_seid == 0)
4314 		return -EINVAL;
4315 
4316 	if (is_add) {
4317 		i40e_fill_default_direct_cmd_desc(&desc,
4318 				i40e_aqc_opc_add_control_packet_filter);
4319 		cmd->queue = cpu_to_le16(queue);
4320 	} else {
4321 		i40e_fill_default_direct_cmd_desc(&desc,
4322 				i40e_aqc_opc_remove_control_packet_filter);
4323 	}
4324 
4325 	if (mac_addr)
4326 		ether_addr_copy(cmd->mac, mac_addr);
4327 
4328 	cmd->etype = cpu_to_le16(ethtype);
4329 	cmd->flags = cpu_to_le16(flags);
4330 	cmd->seid = cpu_to_le16(vsi_seid);
4331 
4332 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
4333 
4334 	if (!status && stats) {
4335 		stats->mac_etype_used = le16_to_cpu(resp->mac_etype_used);
4336 		stats->etype_used = le16_to_cpu(resp->etype_used);
4337 		stats->mac_etype_free = le16_to_cpu(resp->mac_etype_free);
4338 		stats->etype_free = le16_to_cpu(resp->etype_free);
4339 	}
4340 
4341 	return status;
4342 }
4343 
4344 /**
4345  * i40e_add_filter_to_drop_tx_flow_control_frames- filter to drop flow control
4346  * @hw: pointer to the hw struct
4347  * @seid: VSI seid to add ethertype filter from
4348  **/
i40e_add_filter_to_drop_tx_flow_control_frames(struct i40e_hw * hw,u16 seid)4349 void i40e_add_filter_to_drop_tx_flow_control_frames(struct i40e_hw *hw,
4350 						    u16 seid)
4351 {
4352 #define I40E_FLOW_CONTROL_ETHTYPE 0x8808
4353 	u16 flag = I40E_AQC_ADD_CONTROL_PACKET_FLAGS_IGNORE_MAC |
4354 		   I40E_AQC_ADD_CONTROL_PACKET_FLAGS_DROP |
4355 		   I40E_AQC_ADD_CONTROL_PACKET_FLAGS_TX;
4356 	u16 ethtype = I40E_FLOW_CONTROL_ETHTYPE;
4357 	int status;
4358 
4359 	status = i40e_aq_add_rem_control_packet_filter(hw, NULL, ethtype, flag,
4360 						       seid, 0, true, NULL,
4361 						       NULL);
4362 	if (status)
4363 		hw_dbg(hw, "Ethtype Filter Add failed: Error pruning Tx flow control frames\n");
4364 }
4365 
4366 /**
4367  * i40e_aq_alternate_read
4368  * @hw: pointer to the hardware structure
4369  * @reg_addr0: address of first dword to be read
4370  * @reg_val0: pointer for data read from 'reg_addr0'
4371  * @reg_addr1: address of second dword to be read
4372  * @reg_val1: pointer for data read from 'reg_addr1'
4373  *
4374  * Read one or two dwords from alternate structure. Fields are indicated
4375  * by 'reg_addr0' and 'reg_addr1' register numbers. If 'reg_val1' pointer
4376  * is not passed then only register at 'reg_addr0' is read.
4377  *
4378  **/
i40e_aq_alternate_read(struct i40e_hw * hw,u32 reg_addr0,u32 * reg_val0,u32 reg_addr1,u32 * reg_val1)4379 static int i40e_aq_alternate_read(struct i40e_hw *hw,
4380 				  u32 reg_addr0, u32 *reg_val0,
4381 				  u32 reg_addr1, u32 *reg_val1)
4382 {
4383 	struct i40e_aq_desc desc;
4384 	struct i40e_aqc_alternate_write *cmd_resp =
4385 		(struct i40e_aqc_alternate_write *)&desc.params.raw;
4386 	int status;
4387 
4388 	if (!reg_val0)
4389 		return -EINVAL;
4390 
4391 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_alternate_read);
4392 	cmd_resp->address0 = cpu_to_le32(reg_addr0);
4393 	cmd_resp->address1 = cpu_to_le32(reg_addr1);
4394 
4395 	status = i40e_asq_send_command(hw, &desc, NULL, 0, NULL);
4396 
4397 	if (!status) {
4398 		*reg_val0 = le32_to_cpu(cmd_resp->data0);
4399 
4400 		if (reg_val1)
4401 			*reg_val1 = le32_to_cpu(cmd_resp->data1);
4402 	}
4403 
4404 	return status;
4405 }
4406 
4407 /**
4408  * i40e_aq_suspend_port_tx
4409  * @hw: pointer to the hardware structure
4410  * @seid: port seid
4411  * @cmd_details: pointer to command details structure or NULL
4412  *
4413  * Suspend port's Tx traffic
4414  **/
i40e_aq_suspend_port_tx(struct i40e_hw * hw,u16 seid,struct i40e_asq_cmd_details * cmd_details)4415 int i40e_aq_suspend_port_tx(struct i40e_hw *hw, u16 seid,
4416 			    struct i40e_asq_cmd_details *cmd_details)
4417 {
4418 	struct i40e_aqc_tx_sched_ind *cmd;
4419 	struct i40e_aq_desc desc;
4420 	int status;
4421 
4422 	cmd = (struct i40e_aqc_tx_sched_ind *)&desc.params.raw;
4423 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_suspend_port_tx);
4424 	cmd->vsi_seid = cpu_to_le16(seid);
4425 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
4426 
4427 	return status;
4428 }
4429 
4430 /**
4431  * i40e_aq_resume_port_tx
4432  * @hw: pointer to the hardware structure
4433  * @cmd_details: pointer to command details structure or NULL
4434  *
4435  * Resume port's Tx traffic
4436  **/
i40e_aq_resume_port_tx(struct i40e_hw * hw,struct i40e_asq_cmd_details * cmd_details)4437 int i40e_aq_resume_port_tx(struct i40e_hw *hw,
4438 			   struct i40e_asq_cmd_details *cmd_details)
4439 {
4440 	struct i40e_aq_desc desc;
4441 	int status;
4442 
4443 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_resume_port_tx);
4444 
4445 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
4446 
4447 	return status;
4448 }
4449 
4450 /**
4451  * i40e_set_pci_config_data - store PCI bus info
4452  * @hw: pointer to hardware structure
4453  * @link_status: the link status word from PCI config space
4454  *
4455  * Stores the PCI bus info (speed, width, type) within the i40e_hw structure
4456  **/
i40e_set_pci_config_data(struct i40e_hw * hw,u16 link_status)4457 void i40e_set_pci_config_data(struct i40e_hw *hw, u16 link_status)
4458 {
4459 	hw->bus.type = i40e_bus_type_pci_express;
4460 
4461 	switch (link_status & PCI_EXP_LNKSTA_NLW) {
4462 	case PCI_EXP_LNKSTA_NLW_X1:
4463 		hw->bus.width = i40e_bus_width_pcie_x1;
4464 		break;
4465 	case PCI_EXP_LNKSTA_NLW_X2:
4466 		hw->bus.width = i40e_bus_width_pcie_x2;
4467 		break;
4468 	case PCI_EXP_LNKSTA_NLW_X4:
4469 		hw->bus.width = i40e_bus_width_pcie_x4;
4470 		break;
4471 	case PCI_EXP_LNKSTA_NLW_X8:
4472 		hw->bus.width = i40e_bus_width_pcie_x8;
4473 		break;
4474 	default:
4475 		hw->bus.width = i40e_bus_width_unknown;
4476 		break;
4477 	}
4478 
4479 	switch (link_status & PCI_EXP_LNKSTA_CLS) {
4480 	case PCI_EXP_LNKSTA_CLS_2_5GB:
4481 		hw->bus.speed = i40e_bus_speed_2500;
4482 		break;
4483 	case PCI_EXP_LNKSTA_CLS_5_0GB:
4484 		hw->bus.speed = i40e_bus_speed_5000;
4485 		break;
4486 	case PCI_EXP_LNKSTA_CLS_8_0GB:
4487 		hw->bus.speed = i40e_bus_speed_8000;
4488 		break;
4489 	default:
4490 		hw->bus.speed = i40e_bus_speed_unknown;
4491 		break;
4492 	}
4493 }
4494 
4495 /**
4496  * i40e_aq_debug_dump
4497  * @hw: pointer to the hardware structure
4498  * @cluster_id: specific cluster to dump
4499  * @table_id: table id within cluster
4500  * @start_index: index of line in the block to read
4501  * @buff_size: dump buffer size
4502  * @buff: dump buffer
4503  * @ret_buff_size: actual buffer size returned
4504  * @ret_next_table: next block to read
4505  * @ret_next_index: next index to read
4506  * @cmd_details: pointer to command details structure or NULL
4507  *
4508  * Dump internal FW/HW data for debug purposes.
4509  *
4510  **/
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)4511 int i40e_aq_debug_dump(struct i40e_hw *hw, u8 cluster_id,
4512 		       u8 table_id, u32 start_index, u16 buff_size,
4513 		       void *buff, u16 *ret_buff_size,
4514 		       u8 *ret_next_table, u32 *ret_next_index,
4515 		       struct i40e_asq_cmd_details *cmd_details)
4516 {
4517 	struct i40e_aq_desc desc;
4518 	struct i40e_aqc_debug_dump_internals *cmd =
4519 		(struct i40e_aqc_debug_dump_internals *)&desc.params.raw;
4520 	struct i40e_aqc_debug_dump_internals *resp =
4521 		(struct i40e_aqc_debug_dump_internals *)&desc.params.raw;
4522 	int status;
4523 
4524 	if (buff_size == 0 || !buff)
4525 		return -EINVAL;
4526 
4527 	i40e_fill_default_direct_cmd_desc(&desc,
4528 					  i40e_aqc_opc_debug_dump_internals);
4529 	/* Indirect Command */
4530 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
4531 	if (buff_size > I40E_AQ_LARGE_BUF)
4532 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
4533 
4534 	cmd->cluster_id = cluster_id;
4535 	cmd->table_id = table_id;
4536 	cmd->idx = cpu_to_le32(start_index);
4537 
4538 	desc.datalen = cpu_to_le16(buff_size);
4539 
4540 	status = i40e_asq_send_command(hw, &desc, buff, buff_size, cmd_details);
4541 	if (!status) {
4542 		if (ret_buff_size)
4543 			*ret_buff_size = le16_to_cpu(desc.datalen);
4544 		if (ret_next_table)
4545 			*ret_next_table = resp->table_id;
4546 		if (ret_next_index)
4547 			*ret_next_index = le32_to_cpu(resp->idx);
4548 	}
4549 
4550 	return status;
4551 }
4552 
4553 /**
4554  * i40e_read_bw_from_alt_ram
4555  * @hw: pointer to the hardware structure
4556  * @max_bw: pointer for max_bw read
4557  * @min_bw: pointer for min_bw read
4558  * @min_valid: pointer for bool that is true if min_bw is a valid value
4559  * @max_valid: pointer for bool that is true if max_bw is a valid value
4560  *
4561  * Read bw from the alternate ram for the given pf
4562  **/
i40e_read_bw_from_alt_ram(struct i40e_hw * hw,u32 * max_bw,u32 * min_bw,bool * min_valid,bool * max_valid)4563 int i40e_read_bw_from_alt_ram(struct i40e_hw *hw,
4564 			      u32 *max_bw, u32 *min_bw,
4565 			      bool *min_valid, bool *max_valid)
4566 {
4567 	u32 max_bw_addr, min_bw_addr;
4568 	int status;
4569 
4570 	/* Calculate the address of the min/max bw registers */
4571 	max_bw_addr = I40E_ALT_STRUCT_FIRST_PF_OFFSET +
4572 		      I40E_ALT_STRUCT_MAX_BW_OFFSET +
4573 		      (I40E_ALT_STRUCT_DWORDS_PER_PF * hw->pf_id);
4574 	min_bw_addr = I40E_ALT_STRUCT_FIRST_PF_OFFSET +
4575 		      I40E_ALT_STRUCT_MIN_BW_OFFSET +
4576 		      (I40E_ALT_STRUCT_DWORDS_PER_PF * hw->pf_id);
4577 
4578 	/* Read the bandwidths from alt ram */
4579 	status = i40e_aq_alternate_read(hw, max_bw_addr, max_bw,
4580 					min_bw_addr, min_bw);
4581 
4582 	if (*min_bw & I40E_ALT_BW_VALID_MASK)
4583 		*min_valid = true;
4584 	else
4585 		*min_valid = false;
4586 
4587 	if (*max_bw & I40E_ALT_BW_VALID_MASK)
4588 		*max_valid = true;
4589 	else
4590 		*max_valid = false;
4591 
4592 	return status;
4593 }
4594 
4595 /**
4596  * i40e_aq_configure_partition_bw
4597  * @hw: pointer to the hardware structure
4598  * @bw_data: Buffer holding valid pfs and bw limits
4599  * @cmd_details: pointer to command details
4600  *
4601  * Configure partitions guaranteed/max bw
4602  **/
4603 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)4604 i40e_aq_configure_partition_bw(struct i40e_hw *hw,
4605 			       struct i40e_aqc_configure_partition_bw_data *bw_data,
4606 			       struct i40e_asq_cmd_details *cmd_details)
4607 {
4608 	u16 bwd_size = sizeof(*bw_data);
4609 	struct i40e_aq_desc desc;
4610 	int status;
4611 
4612 	i40e_fill_default_direct_cmd_desc(&desc,
4613 					  i40e_aqc_opc_configure_partition_bw);
4614 
4615 	/* Indirect command */
4616 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
4617 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_RD);
4618 
4619 	if (bwd_size > I40E_AQ_LARGE_BUF)
4620 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
4621 
4622 	desc.datalen = cpu_to_le16(bwd_size);
4623 
4624 	status = i40e_asq_send_command(hw, &desc, bw_data, bwd_size,
4625 				       cmd_details);
4626 
4627 	return status;
4628 }
4629 
4630 /**
4631  * i40e_read_phy_register_clause22
4632  * @hw: pointer to the HW structure
4633  * @reg: register address in the page
4634  * @phy_addr: PHY address on MDIO interface
4635  * @value: PHY register value
4636  *
4637  * Reads specified PHY register value
4638  **/
i40e_read_phy_register_clause22(struct i40e_hw * hw,u16 reg,u8 phy_addr,u16 * value)4639 int i40e_read_phy_register_clause22(struct i40e_hw *hw,
4640 				    u16 reg, u8 phy_addr, u16 *value)
4641 {
4642 	u8 port_num = (u8)hw->func_caps.mdio_port_num;
4643 	int status = -EIO;
4644 	u32 command = 0;
4645 	u16 retry = 1000;
4646 
4647 	command = (reg << I40E_GLGEN_MSCA_DEVADD_SHIFT) |
4648 		  (phy_addr << I40E_GLGEN_MSCA_PHYADD_SHIFT) |
4649 		  (I40E_MDIO_CLAUSE22_OPCODE_READ_MASK) |
4650 		  (I40E_MDIO_CLAUSE22_STCODE_MASK) |
4651 		  (I40E_GLGEN_MSCA_MDICMD_MASK);
4652 	wr32(hw, I40E_GLGEN_MSCA(port_num), command);
4653 	do {
4654 		command = rd32(hw, I40E_GLGEN_MSCA(port_num));
4655 		if (!(command & I40E_GLGEN_MSCA_MDICMD_MASK)) {
4656 			status = 0;
4657 			break;
4658 		}
4659 		udelay(10);
4660 		retry--;
4661 	} while (retry);
4662 
4663 	if (status) {
4664 		i40e_debug(hw, I40E_DEBUG_PHY,
4665 			   "PHY: Can't write command to external PHY.\n");
4666 	} else {
4667 		command = rd32(hw, I40E_GLGEN_MSRWD(port_num));
4668 		*value = (command & I40E_GLGEN_MSRWD_MDIRDDATA_MASK) >>
4669 			 I40E_GLGEN_MSRWD_MDIRDDATA_SHIFT;
4670 	}
4671 
4672 	return status;
4673 }
4674 
4675 /**
4676  * i40e_write_phy_register_clause22
4677  * @hw: pointer to the HW structure
4678  * @reg: register address in the page
4679  * @phy_addr: PHY address on MDIO interface
4680  * @value: PHY register value
4681  *
4682  * Writes specified PHY register value
4683  **/
i40e_write_phy_register_clause22(struct i40e_hw * hw,u16 reg,u8 phy_addr,u16 value)4684 int i40e_write_phy_register_clause22(struct i40e_hw *hw,
4685 				     u16 reg, u8 phy_addr, u16 value)
4686 {
4687 	u8 port_num = (u8)hw->func_caps.mdio_port_num;
4688 	int status = -EIO;
4689 	u32 command  = 0;
4690 	u16 retry = 1000;
4691 
4692 	command = value << I40E_GLGEN_MSRWD_MDIWRDATA_SHIFT;
4693 	wr32(hw, I40E_GLGEN_MSRWD(port_num), command);
4694 
4695 	command = (reg << I40E_GLGEN_MSCA_DEVADD_SHIFT) |
4696 		  (phy_addr << I40E_GLGEN_MSCA_PHYADD_SHIFT) |
4697 		  (I40E_MDIO_CLAUSE22_OPCODE_WRITE_MASK) |
4698 		  (I40E_MDIO_CLAUSE22_STCODE_MASK) |
4699 		  (I40E_GLGEN_MSCA_MDICMD_MASK);
4700 
4701 	wr32(hw, I40E_GLGEN_MSCA(port_num), command);
4702 	do {
4703 		command = rd32(hw, I40E_GLGEN_MSCA(port_num));
4704 		if (!(command & I40E_GLGEN_MSCA_MDICMD_MASK)) {
4705 			status = 0;
4706 			break;
4707 		}
4708 		udelay(10);
4709 		retry--;
4710 	} while (retry);
4711 
4712 	return status;
4713 }
4714 
4715 /**
4716  * i40e_read_phy_register_clause45
4717  * @hw: pointer to the HW structure
4718  * @page: registers page number
4719  * @reg: register address in the page
4720  * @phy_addr: PHY address on MDIO interface
4721  * @value: PHY register value
4722  *
4723  * Reads specified PHY register value
4724  **/
i40e_read_phy_register_clause45(struct i40e_hw * hw,u8 page,u16 reg,u8 phy_addr,u16 * value)4725 int i40e_read_phy_register_clause45(struct i40e_hw *hw,
4726 				    u8 page, u16 reg, u8 phy_addr, u16 *value)
4727 {
4728 	u8 port_num = hw->func_caps.mdio_port_num;
4729 	int status = -EIO;
4730 	u32 command = 0;
4731 	u16 retry = 1000;
4732 
4733 	command = (reg << I40E_GLGEN_MSCA_MDIADD_SHIFT) |
4734 		  (page << I40E_GLGEN_MSCA_DEVADD_SHIFT) |
4735 		  (phy_addr << I40E_GLGEN_MSCA_PHYADD_SHIFT) |
4736 		  (I40E_MDIO_CLAUSE45_OPCODE_ADDRESS_MASK) |
4737 		  (I40E_MDIO_CLAUSE45_STCODE_MASK) |
4738 		  (I40E_GLGEN_MSCA_MDICMD_MASK) |
4739 		  (I40E_GLGEN_MSCA_MDIINPROGEN_MASK);
4740 	wr32(hw, I40E_GLGEN_MSCA(port_num), command);
4741 	do {
4742 		command = rd32(hw, I40E_GLGEN_MSCA(port_num));
4743 		if (!(command & I40E_GLGEN_MSCA_MDICMD_MASK)) {
4744 			status = 0;
4745 			break;
4746 		}
4747 		usleep_range(10, 20);
4748 		retry--;
4749 	} while (retry);
4750 
4751 	if (status) {
4752 		i40e_debug(hw, I40E_DEBUG_PHY,
4753 			   "PHY: Can't write command to external PHY.\n");
4754 		goto phy_read_end;
4755 	}
4756 
4757 	command = (page << I40E_GLGEN_MSCA_DEVADD_SHIFT) |
4758 		  (phy_addr << I40E_GLGEN_MSCA_PHYADD_SHIFT) |
4759 		  (I40E_MDIO_CLAUSE45_OPCODE_READ_MASK) |
4760 		  (I40E_MDIO_CLAUSE45_STCODE_MASK) |
4761 		  (I40E_GLGEN_MSCA_MDICMD_MASK) |
4762 		  (I40E_GLGEN_MSCA_MDIINPROGEN_MASK);
4763 	status = -EIO;
4764 	retry = 1000;
4765 	wr32(hw, I40E_GLGEN_MSCA(port_num), command);
4766 	do {
4767 		command = rd32(hw, I40E_GLGEN_MSCA(port_num));
4768 		if (!(command & I40E_GLGEN_MSCA_MDICMD_MASK)) {
4769 			status = 0;
4770 			break;
4771 		}
4772 		usleep_range(10, 20);
4773 		retry--;
4774 	} while (retry);
4775 
4776 	if (!status) {
4777 		command = rd32(hw, I40E_GLGEN_MSRWD(port_num));
4778 		*value = (command & I40E_GLGEN_MSRWD_MDIRDDATA_MASK) >>
4779 			 I40E_GLGEN_MSRWD_MDIRDDATA_SHIFT;
4780 	} else {
4781 		i40e_debug(hw, I40E_DEBUG_PHY,
4782 			   "PHY: Can't read register value from external PHY.\n");
4783 	}
4784 
4785 phy_read_end:
4786 	return status;
4787 }
4788 
4789 /**
4790  * i40e_write_phy_register_clause45
4791  * @hw: pointer to the HW structure
4792  * @page: registers page number
4793  * @reg: register address in the page
4794  * @phy_addr: PHY address on MDIO interface
4795  * @value: PHY register value
4796  *
4797  * Writes value to specified PHY register
4798  **/
i40e_write_phy_register_clause45(struct i40e_hw * hw,u8 page,u16 reg,u8 phy_addr,u16 value)4799 int i40e_write_phy_register_clause45(struct i40e_hw *hw,
4800 				     u8 page, u16 reg, u8 phy_addr, u16 value)
4801 {
4802 	u8 port_num = hw->func_caps.mdio_port_num;
4803 	int status = -EIO;
4804 	u16 retry = 1000;
4805 	u32 command = 0;
4806 
4807 	command = (reg << I40E_GLGEN_MSCA_MDIADD_SHIFT) |
4808 		  (page << I40E_GLGEN_MSCA_DEVADD_SHIFT) |
4809 		  (phy_addr << I40E_GLGEN_MSCA_PHYADD_SHIFT) |
4810 		  (I40E_MDIO_CLAUSE45_OPCODE_ADDRESS_MASK) |
4811 		  (I40E_MDIO_CLAUSE45_STCODE_MASK) |
4812 		  (I40E_GLGEN_MSCA_MDICMD_MASK) |
4813 		  (I40E_GLGEN_MSCA_MDIINPROGEN_MASK);
4814 	wr32(hw, I40E_GLGEN_MSCA(port_num), command);
4815 	do {
4816 		command = rd32(hw, I40E_GLGEN_MSCA(port_num));
4817 		if (!(command & I40E_GLGEN_MSCA_MDICMD_MASK)) {
4818 			status = 0;
4819 			break;
4820 		}
4821 		usleep_range(10, 20);
4822 		retry--;
4823 	} while (retry);
4824 	if (status) {
4825 		i40e_debug(hw, I40E_DEBUG_PHY,
4826 			   "PHY: Can't write command to external PHY.\n");
4827 		goto phy_write_end;
4828 	}
4829 
4830 	command = value << I40E_GLGEN_MSRWD_MDIWRDATA_SHIFT;
4831 	wr32(hw, I40E_GLGEN_MSRWD(port_num), command);
4832 
4833 	command = (page << I40E_GLGEN_MSCA_DEVADD_SHIFT) |
4834 		  (phy_addr << I40E_GLGEN_MSCA_PHYADD_SHIFT) |
4835 		  (I40E_MDIO_CLAUSE45_OPCODE_WRITE_MASK) |
4836 		  (I40E_MDIO_CLAUSE45_STCODE_MASK) |
4837 		  (I40E_GLGEN_MSCA_MDICMD_MASK) |
4838 		  (I40E_GLGEN_MSCA_MDIINPROGEN_MASK);
4839 	status = -EIO;
4840 	retry = 1000;
4841 	wr32(hw, I40E_GLGEN_MSCA(port_num), command);
4842 	do {
4843 		command = rd32(hw, I40E_GLGEN_MSCA(port_num));
4844 		if (!(command & I40E_GLGEN_MSCA_MDICMD_MASK)) {
4845 			status = 0;
4846 			break;
4847 		}
4848 		usleep_range(10, 20);
4849 		retry--;
4850 	} while (retry);
4851 
4852 phy_write_end:
4853 	return status;
4854 }
4855 
4856 /**
4857  * i40e_write_phy_register
4858  * @hw: pointer to the HW structure
4859  * @page: registers page number
4860  * @reg: register address in the page
4861  * @phy_addr: PHY address on MDIO interface
4862  * @value: PHY register value
4863  *
4864  * Writes value to specified PHY register
4865  **/
i40e_write_phy_register(struct i40e_hw * hw,u8 page,u16 reg,u8 phy_addr,u16 value)4866 int i40e_write_phy_register(struct i40e_hw *hw,
4867 			    u8 page, u16 reg, u8 phy_addr, u16 value)
4868 {
4869 	int status;
4870 
4871 	switch (hw->device_id) {
4872 	case I40E_DEV_ID_1G_BASE_T_X722:
4873 		status = i40e_write_phy_register_clause22(hw, reg, phy_addr,
4874 							  value);
4875 		break;
4876 	case I40E_DEV_ID_1G_BASE_T_BC:
4877 	case I40E_DEV_ID_5G_BASE_T_BC:
4878 	case I40E_DEV_ID_10G_BASE_T:
4879 	case I40E_DEV_ID_10G_BASE_T4:
4880 	case I40E_DEV_ID_10G_BASE_T_BC:
4881 	case I40E_DEV_ID_10G_BASE_T_X722:
4882 	case I40E_DEV_ID_25G_B:
4883 	case I40E_DEV_ID_25G_SFP28:
4884 		status = i40e_write_phy_register_clause45(hw, page, reg,
4885 							  phy_addr, value);
4886 		break;
4887 	default:
4888 		status = -EIO;
4889 		break;
4890 	}
4891 
4892 	return status;
4893 }
4894 
4895 /**
4896  * i40e_read_phy_register
4897  * @hw: pointer to the HW structure
4898  * @page: registers page number
4899  * @reg: register address in the page
4900  * @phy_addr: PHY address on MDIO interface
4901  * @value: PHY register value
4902  *
4903  * Reads specified PHY register value
4904  **/
i40e_read_phy_register(struct i40e_hw * hw,u8 page,u16 reg,u8 phy_addr,u16 * value)4905 int i40e_read_phy_register(struct i40e_hw *hw,
4906 			   u8 page, u16 reg, u8 phy_addr, u16 *value)
4907 {
4908 	int status;
4909 
4910 	switch (hw->device_id) {
4911 	case I40E_DEV_ID_1G_BASE_T_X722:
4912 		status = i40e_read_phy_register_clause22(hw, reg, phy_addr,
4913 							 value);
4914 		break;
4915 	case I40E_DEV_ID_1G_BASE_T_BC:
4916 	case I40E_DEV_ID_5G_BASE_T_BC:
4917 	case I40E_DEV_ID_10G_BASE_T:
4918 	case I40E_DEV_ID_10G_BASE_T4:
4919 	case I40E_DEV_ID_10G_BASE_T_BC:
4920 	case I40E_DEV_ID_10G_BASE_T_X722:
4921 	case I40E_DEV_ID_25G_B:
4922 	case I40E_DEV_ID_25G_SFP28:
4923 		status = i40e_read_phy_register_clause45(hw, page, reg,
4924 							 phy_addr, value);
4925 		break;
4926 	default:
4927 		status = -EIO;
4928 		break;
4929 	}
4930 
4931 	return status;
4932 }
4933 
4934 /**
4935  * i40e_get_phy_address
4936  * @hw: pointer to the HW structure
4937  * @dev_num: PHY port num that address we want
4938  *
4939  * Gets PHY address for current port
4940  **/
i40e_get_phy_address(struct i40e_hw * hw,u8 dev_num)4941 u8 i40e_get_phy_address(struct i40e_hw *hw, u8 dev_num)
4942 {
4943 	u8 port_num = hw->func_caps.mdio_port_num;
4944 	u32 reg_val = rd32(hw, I40E_GLGEN_MDIO_I2C_SEL(port_num));
4945 
4946 	return (u8)(reg_val >> ((dev_num + 1) * 5)) & 0x1f;
4947 }
4948 
4949 /**
4950  * i40e_blink_phy_link_led
4951  * @hw: pointer to the HW structure
4952  * @time: time how long led will blinks in secs
4953  * @interval: gap between LED on and off in msecs
4954  *
4955  * Blinks PHY link LED
4956  **/
i40e_blink_phy_link_led(struct i40e_hw * hw,u32 time,u32 interval)4957 int i40e_blink_phy_link_led(struct i40e_hw *hw,
4958 			    u32 time, u32 interval)
4959 {
4960 	u16 led_addr = I40E_PHY_LED_PROV_REG_1;
4961 	u16 gpio_led_port;
4962 	u8 phy_addr = 0;
4963 	int status = 0;
4964 	u16 led_ctl;
4965 	u8 port_num;
4966 	u16 led_reg;
4967 	u32 i;
4968 
4969 	i = rd32(hw, I40E_PFGEN_PORTNUM);
4970 	port_num = (u8)(i & I40E_PFGEN_PORTNUM_PORT_NUM_MASK);
4971 	phy_addr = i40e_get_phy_address(hw, port_num);
4972 
4973 	for (gpio_led_port = 0; gpio_led_port < 3; gpio_led_port++,
4974 	     led_addr++) {
4975 		status = i40e_read_phy_register_clause45(hw,
4976 							 I40E_PHY_COM_REG_PAGE,
4977 							 led_addr, phy_addr,
4978 							 &led_reg);
4979 		if (status)
4980 			goto phy_blinking_end;
4981 		led_ctl = led_reg;
4982 		if (led_reg & I40E_PHY_LED_LINK_MODE_MASK) {
4983 			led_reg = 0;
4984 			status = i40e_write_phy_register_clause45(hw,
4985 							 I40E_PHY_COM_REG_PAGE,
4986 							 led_addr, phy_addr,
4987 							 led_reg);
4988 			if (status)
4989 				goto phy_blinking_end;
4990 			break;
4991 		}
4992 	}
4993 
4994 	if (time > 0 && interval > 0) {
4995 		for (i = 0; i < time * 1000; i += interval) {
4996 			status = i40e_read_phy_register_clause45(hw,
4997 						I40E_PHY_COM_REG_PAGE,
4998 						led_addr, phy_addr, &led_reg);
4999 			if (status)
5000 				goto restore_config;
5001 			if (led_reg & I40E_PHY_LED_MANUAL_ON)
5002 				led_reg = 0;
5003 			else
5004 				led_reg = I40E_PHY_LED_MANUAL_ON;
5005 			status = i40e_write_phy_register_clause45(hw,
5006 						I40E_PHY_COM_REG_PAGE,
5007 						led_addr, phy_addr, led_reg);
5008 			if (status)
5009 				goto restore_config;
5010 			msleep(interval);
5011 		}
5012 	}
5013 
5014 restore_config:
5015 	status = i40e_write_phy_register_clause45(hw,
5016 						  I40E_PHY_COM_REG_PAGE,
5017 						  led_addr, phy_addr, led_ctl);
5018 
5019 phy_blinking_end:
5020 	return status;
5021 }
5022 
5023 /**
5024  * i40e_led_get_reg - read LED register
5025  * @hw: pointer to the HW structure
5026  * @led_addr: LED register address
5027  * @reg_val: read register value
5028  **/
i40e_led_get_reg(struct i40e_hw * hw,u16 led_addr,u32 * reg_val)5029 static int i40e_led_get_reg(struct i40e_hw *hw, u16 led_addr,
5030 			    u32 *reg_val)
5031 {
5032 	u8 phy_addr = 0;
5033 	u8 port_num;
5034 	int status;
5035 	u32 i;
5036 
5037 	*reg_val = 0;
5038 	if (hw->flags & I40E_HW_FLAG_AQ_PHY_ACCESS_CAPABLE) {
5039 		status =
5040 		       i40e_aq_get_phy_register(hw,
5041 						I40E_AQ_PHY_REG_ACCESS_EXTERNAL,
5042 						I40E_PHY_COM_REG_PAGE, true,
5043 						I40E_PHY_LED_PROV_REG_1,
5044 						reg_val, NULL);
5045 	} else {
5046 		i = rd32(hw, I40E_PFGEN_PORTNUM);
5047 		port_num = (u8)(i & I40E_PFGEN_PORTNUM_PORT_NUM_MASK);
5048 		phy_addr = i40e_get_phy_address(hw, port_num);
5049 		status = i40e_read_phy_register_clause45(hw,
5050 							 I40E_PHY_COM_REG_PAGE,
5051 							 led_addr, phy_addr,
5052 							 (u16 *)reg_val);
5053 	}
5054 	return status;
5055 }
5056 
5057 /**
5058  * i40e_led_set_reg - write LED register
5059  * @hw: pointer to the HW structure
5060  * @led_addr: LED register address
5061  * @reg_val: register value to write
5062  **/
i40e_led_set_reg(struct i40e_hw * hw,u16 led_addr,u32 reg_val)5063 static int i40e_led_set_reg(struct i40e_hw *hw, u16 led_addr,
5064 			    u32 reg_val)
5065 {
5066 	u8 phy_addr = 0;
5067 	u8 port_num;
5068 	int status;
5069 	u32 i;
5070 
5071 	if (hw->flags & I40E_HW_FLAG_AQ_PHY_ACCESS_CAPABLE) {
5072 		status =
5073 		       i40e_aq_set_phy_register(hw,
5074 						I40E_AQ_PHY_REG_ACCESS_EXTERNAL,
5075 						I40E_PHY_COM_REG_PAGE, true,
5076 						I40E_PHY_LED_PROV_REG_1,
5077 						reg_val, NULL);
5078 	} else {
5079 		i = rd32(hw, I40E_PFGEN_PORTNUM);
5080 		port_num = (u8)(i & I40E_PFGEN_PORTNUM_PORT_NUM_MASK);
5081 		phy_addr = i40e_get_phy_address(hw, port_num);
5082 		status = i40e_write_phy_register_clause45(hw,
5083 							  I40E_PHY_COM_REG_PAGE,
5084 							  led_addr, phy_addr,
5085 							  (u16)reg_val);
5086 	}
5087 
5088 	return status;
5089 }
5090 
5091 /**
5092  * i40e_led_get_phy - return current on/off mode
5093  * @hw: pointer to the hw struct
5094  * @led_addr: address of led register to use
5095  * @val: original value of register to use
5096  *
5097  **/
i40e_led_get_phy(struct i40e_hw * hw,u16 * led_addr,u16 * val)5098 int i40e_led_get_phy(struct i40e_hw *hw, u16 *led_addr,
5099 		     u16 *val)
5100 {
5101 	u16 gpio_led_port;
5102 	u8 phy_addr = 0;
5103 	u32 reg_val_aq;
5104 	int status = 0;
5105 	u16 temp_addr;
5106 	u16 reg_val;
5107 	u8 port_num;
5108 	u32 i;
5109 
5110 	if (hw->flags & I40E_HW_FLAG_AQ_PHY_ACCESS_CAPABLE) {
5111 		status =
5112 		      i40e_aq_get_phy_register(hw,
5113 					       I40E_AQ_PHY_REG_ACCESS_EXTERNAL,
5114 					       I40E_PHY_COM_REG_PAGE, true,
5115 					       I40E_PHY_LED_PROV_REG_1,
5116 					       &reg_val_aq, NULL);
5117 		if (status == 0)
5118 			*val = (u16)reg_val_aq;
5119 		return status;
5120 	}
5121 	temp_addr = I40E_PHY_LED_PROV_REG_1;
5122 	i = rd32(hw, I40E_PFGEN_PORTNUM);
5123 	port_num = (u8)(i & I40E_PFGEN_PORTNUM_PORT_NUM_MASK);
5124 	phy_addr = i40e_get_phy_address(hw, port_num);
5125 
5126 	for (gpio_led_port = 0; gpio_led_port < 3; gpio_led_port++,
5127 	     temp_addr++) {
5128 		status = i40e_read_phy_register_clause45(hw,
5129 							 I40E_PHY_COM_REG_PAGE,
5130 							 temp_addr, phy_addr,
5131 							 &reg_val);
5132 		if (status)
5133 			return status;
5134 		*val = reg_val;
5135 		if (reg_val & I40E_PHY_LED_LINK_MODE_MASK) {
5136 			*led_addr = temp_addr;
5137 			break;
5138 		}
5139 	}
5140 	return status;
5141 }
5142 
5143 /**
5144  * i40e_led_set_phy
5145  * @hw: pointer to the HW structure
5146  * @on: true or false
5147  * @led_addr: address of led register to use
5148  * @mode: original val plus bit for set or ignore
5149  *
5150  * Set led's on or off when controlled by the PHY
5151  *
5152  **/
i40e_led_set_phy(struct i40e_hw * hw,bool on,u16 led_addr,u32 mode)5153 int i40e_led_set_phy(struct i40e_hw *hw, bool on,
5154 		     u16 led_addr, u32 mode)
5155 {
5156 	u32 led_ctl = 0;
5157 	u32 led_reg = 0;
5158 	int status = 0;
5159 
5160 	status = i40e_led_get_reg(hw, led_addr, &led_reg);
5161 	if (status)
5162 		return status;
5163 	led_ctl = led_reg;
5164 	if (led_reg & I40E_PHY_LED_LINK_MODE_MASK) {
5165 		led_reg = 0;
5166 		status = i40e_led_set_reg(hw, led_addr, led_reg);
5167 		if (status)
5168 			return status;
5169 	}
5170 	status = i40e_led_get_reg(hw, led_addr, &led_reg);
5171 	if (status)
5172 		goto restore_config;
5173 	if (on)
5174 		led_reg = I40E_PHY_LED_MANUAL_ON;
5175 	else
5176 		led_reg = 0;
5177 
5178 	status = i40e_led_set_reg(hw, led_addr, led_reg);
5179 	if (status)
5180 		goto restore_config;
5181 	if (mode & I40E_PHY_LED_MODE_ORIG) {
5182 		led_ctl = (mode & I40E_PHY_LED_MODE_MASK);
5183 		status = i40e_led_set_reg(hw, led_addr, led_ctl);
5184 	}
5185 	return status;
5186 
5187 restore_config:
5188 	status = i40e_led_set_reg(hw, led_addr, led_ctl);
5189 	return status;
5190 }
5191 
5192 /**
5193  * i40e_aq_rx_ctl_read_register - use FW to read from an Rx control register
5194  * @hw: pointer to the hw struct
5195  * @reg_addr: register address
5196  * @reg_val: ptr to register value
5197  * @cmd_details: pointer to command details structure or NULL
5198  *
5199  * Use the firmware to read the Rx control register,
5200  * especially useful if the Rx unit is under heavy pressure
5201  **/
i40e_aq_rx_ctl_read_register(struct i40e_hw * hw,u32 reg_addr,u32 * reg_val,struct i40e_asq_cmd_details * cmd_details)5202 int i40e_aq_rx_ctl_read_register(struct i40e_hw *hw,
5203 				 u32 reg_addr, u32 *reg_val,
5204 				 struct i40e_asq_cmd_details *cmd_details)
5205 {
5206 	struct i40e_aq_desc desc;
5207 	struct i40e_aqc_rx_ctl_reg_read_write *cmd_resp =
5208 		(struct i40e_aqc_rx_ctl_reg_read_write *)&desc.params.raw;
5209 	int status;
5210 
5211 	if (!reg_val)
5212 		return -EINVAL;
5213 
5214 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_rx_ctl_reg_read);
5215 
5216 	cmd_resp->address = cpu_to_le32(reg_addr);
5217 
5218 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
5219 
5220 	if (status == 0)
5221 		*reg_val = le32_to_cpu(cmd_resp->value);
5222 
5223 	return status;
5224 }
5225 
5226 /**
5227  * i40e_read_rx_ctl - read from an Rx control register
5228  * @hw: pointer to the hw struct
5229  * @reg_addr: register address
5230  **/
i40e_read_rx_ctl(struct i40e_hw * hw,u32 reg_addr)5231 u32 i40e_read_rx_ctl(struct i40e_hw *hw, u32 reg_addr)
5232 {
5233 	bool use_register;
5234 	int status = 0;
5235 	int retry = 5;
5236 	u32 val = 0;
5237 
5238 	use_register = (((hw->aq.api_maj_ver == 1) &&
5239 			(hw->aq.api_min_ver < 5)) ||
5240 			(hw->mac.type == I40E_MAC_X722));
5241 	if (!use_register) {
5242 do_retry:
5243 		status = i40e_aq_rx_ctl_read_register(hw, reg_addr, &val, NULL);
5244 		if (hw->aq.asq_last_status == I40E_AQ_RC_EAGAIN && retry) {
5245 			usleep_range(1000, 2000);
5246 			retry--;
5247 			goto do_retry;
5248 		}
5249 	}
5250 
5251 	/* if the AQ access failed, try the old-fashioned way */
5252 	if (status || use_register)
5253 		val = rd32(hw, reg_addr);
5254 
5255 	return val;
5256 }
5257 
5258 /**
5259  * i40e_aq_rx_ctl_write_register
5260  * @hw: pointer to the hw struct
5261  * @reg_addr: register address
5262  * @reg_val: register value
5263  * @cmd_details: pointer to command details structure or NULL
5264  *
5265  * Use the firmware to write to an Rx control register,
5266  * especially useful if the Rx unit is under heavy pressure
5267  **/
i40e_aq_rx_ctl_write_register(struct i40e_hw * hw,u32 reg_addr,u32 reg_val,struct i40e_asq_cmd_details * cmd_details)5268 int i40e_aq_rx_ctl_write_register(struct i40e_hw *hw,
5269 				  u32 reg_addr, u32 reg_val,
5270 				  struct i40e_asq_cmd_details *cmd_details)
5271 {
5272 	struct i40e_aq_desc desc;
5273 	struct i40e_aqc_rx_ctl_reg_read_write *cmd =
5274 		(struct i40e_aqc_rx_ctl_reg_read_write *)&desc.params.raw;
5275 	int status;
5276 
5277 	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_rx_ctl_reg_write);
5278 
5279 	cmd->address = cpu_to_le32(reg_addr);
5280 	cmd->value = cpu_to_le32(reg_val);
5281 
5282 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
5283 
5284 	return status;
5285 }
5286 
5287 /**
5288  * i40e_write_rx_ctl - write to an Rx control register
5289  * @hw: pointer to the hw struct
5290  * @reg_addr: register address
5291  * @reg_val: register value
5292  **/
i40e_write_rx_ctl(struct i40e_hw * hw,u32 reg_addr,u32 reg_val)5293 void i40e_write_rx_ctl(struct i40e_hw *hw, u32 reg_addr, u32 reg_val)
5294 {
5295 	bool use_register;
5296 	int status = 0;
5297 	int retry = 5;
5298 
5299 	use_register = (((hw->aq.api_maj_ver == 1) &&
5300 			(hw->aq.api_min_ver < 5)) ||
5301 			(hw->mac.type == I40E_MAC_X722));
5302 	if (!use_register) {
5303 do_retry:
5304 		status = i40e_aq_rx_ctl_write_register(hw, reg_addr,
5305 						       reg_val, NULL);
5306 		if (hw->aq.asq_last_status == I40E_AQ_RC_EAGAIN && retry) {
5307 			usleep_range(1000, 2000);
5308 			retry--;
5309 			goto do_retry;
5310 		}
5311 	}
5312 
5313 	/* if the AQ access failed, try the old-fashioned way */
5314 	if (status || use_register)
5315 		wr32(hw, reg_addr, reg_val);
5316 }
5317 
5318 /**
5319  * i40e_mdio_if_number_selection - MDIO I/F number selection
5320  * @hw: pointer to the hw struct
5321  * @set_mdio: use MDIO I/F number specified by mdio_num
5322  * @mdio_num: MDIO I/F number
5323  * @cmd: pointer to PHY Register command structure
5324  **/
i40e_mdio_if_number_selection(struct i40e_hw * hw,bool set_mdio,u8 mdio_num,struct i40e_aqc_phy_register_access * cmd)5325 static void i40e_mdio_if_number_selection(struct i40e_hw *hw, bool set_mdio,
5326 					  u8 mdio_num,
5327 					  struct i40e_aqc_phy_register_access *cmd)
5328 {
5329 	if (set_mdio && cmd->phy_interface == I40E_AQ_PHY_REG_ACCESS_EXTERNAL) {
5330 		if (hw->flags & I40E_HW_FLAG_AQ_PHY_ACCESS_EXTENDED)
5331 			cmd->cmd_flags |=
5332 				I40E_AQ_PHY_REG_ACCESS_SET_MDIO_IF_NUMBER |
5333 				((mdio_num <<
5334 				I40E_AQ_PHY_REG_ACCESS_MDIO_IF_NUMBER_SHIFT) &
5335 				I40E_AQ_PHY_REG_ACCESS_MDIO_IF_NUMBER_MASK);
5336 		else
5337 			i40e_debug(hw, I40E_DEBUG_PHY,
5338 				   "MDIO I/F number selection not supported by current FW version.\n");
5339 	}
5340 }
5341 
5342 /**
5343  * i40e_aq_set_phy_register_ext
5344  * @hw: pointer to the hw struct
5345  * @phy_select: select which phy should be accessed
5346  * @dev_addr: PHY device address
5347  * @page_change: flag to indicate if phy page should be updated
5348  * @set_mdio: use MDIO I/F number specified by mdio_num
5349  * @mdio_num: MDIO I/F number
5350  * @reg_addr: PHY register address
5351  * @reg_val: new register value
5352  * @cmd_details: pointer to command details structure or NULL
5353  *
5354  * Write the external PHY register.
5355  * NOTE: In common cases MDIO I/F number should not be changed, thats why you
5356  * may use simple wrapper i40e_aq_set_phy_register.
5357  **/
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)5358 int i40e_aq_set_phy_register_ext(struct i40e_hw *hw,
5359 				 u8 phy_select, u8 dev_addr, bool page_change,
5360 				 bool set_mdio, u8 mdio_num,
5361 				 u32 reg_addr, u32 reg_val,
5362 				 struct i40e_asq_cmd_details *cmd_details)
5363 {
5364 	struct i40e_aq_desc desc;
5365 	struct i40e_aqc_phy_register_access *cmd =
5366 		(struct i40e_aqc_phy_register_access *)&desc.params.raw;
5367 	int status;
5368 
5369 	i40e_fill_default_direct_cmd_desc(&desc,
5370 					  i40e_aqc_opc_set_phy_register);
5371 
5372 	cmd->phy_interface = phy_select;
5373 	cmd->dev_address = dev_addr;
5374 	cmd->reg_address = cpu_to_le32(reg_addr);
5375 	cmd->reg_value = cpu_to_le32(reg_val);
5376 
5377 	i40e_mdio_if_number_selection(hw, set_mdio, mdio_num, cmd);
5378 
5379 	if (!page_change)
5380 		cmd->cmd_flags = I40E_AQ_PHY_REG_ACCESS_DONT_CHANGE_QSFP_PAGE;
5381 
5382 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
5383 
5384 	return status;
5385 }
5386 
5387 /**
5388  * i40e_aq_get_phy_register_ext
5389  * @hw: pointer to the hw struct
5390  * @phy_select: select which phy should be accessed
5391  * @dev_addr: PHY device address
5392  * @page_change: flag to indicate if phy page should be updated
5393  * @set_mdio: use MDIO I/F number specified by mdio_num
5394  * @mdio_num: MDIO I/F number
5395  * @reg_addr: PHY register address
5396  * @reg_val: read register value
5397  * @cmd_details: pointer to command details structure or NULL
5398  *
5399  * Read the external PHY register.
5400  * NOTE: In common cases MDIO I/F number should not be changed, thats why you
5401  * may use simple wrapper i40e_aq_get_phy_register.
5402  **/
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)5403 int i40e_aq_get_phy_register_ext(struct i40e_hw *hw,
5404 				 u8 phy_select, u8 dev_addr, bool page_change,
5405 				 bool set_mdio, u8 mdio_num,
5406 				 u32 reg_addr, u32 *reg_val,
5407 				 struct i40e_asq_cmd_details *cmd_details)
5408 {
5409 	struct i40e_aq_desc desc;
5410 	struct i40e_aqc_phy_register_access *cmd =
5411 		(struct i40e_aqc_phy_register_access *)&desc.params.raw;
5412 	int status;
5413 
5414 	i40e_fill_default_direct_cmd_desc(&desc,
5415 					  i40e_aqc_opc_get_phy_register);
5416 
5417 	cmd->phy_interface = phy_select;
5418 	cmd->dev_address = dev_addr;
5419 	cmd->reg_address = cpu_to_le32(reg_addr);
5420 
5421 	i40e_mdio_if_number_selection(hw, set_mdio, mdio_num, cmd);
5422 
5423 	if (!page_change)
5424 		cmd->cmd_flags = I40E_AQ_PHY_REG_ACCESS_DONT_CHANGE_QSFP_PAGE;
5425 
5426 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
5427 	if (!status)
5428 		*reg_val = le32_to_cpu(cmd->reg_value);
5429 
5430 	return status;
5431 }
5432 
5433 /**
5434  * i40e_aq_write_ddp - Write dynamic device personalization (ddp)
5435  * @hw: pointer to the hw struct
5436  * @buff: command buffer (size in bytes = buff_size)
5437  * @buff_size: buffer size in bytes
5438  * @track_id: package tracking id
5439  * @error_offset: returns error offset
5440  * @error_info: returns error information
5441  * @cmd_details: pointer to command details structure or NULL
5442  **/
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)5443 int i40e_aq_write_ddp(struct i40e_hw *hw, void *buff,
5444 		      u16 buff_size, u32 track_id,
5445 		      u32 *error_offset, u32 *error_info,
5446 		      struct i40e_asq_cmd_details *cmd_details)
5447 {
5448 	struct i40e_aq_desc desc;
5449 	struct i40e_aqc_write_personalization_profile *cmd =
5450 		(struct i40e_aqc_write_personalization_profile *)
5451 		&desc.params.raw;
5452 	struct i40e_aqc_write_ddp_resp *resp;
5453 	int status;
5454 
5455 	i40e_fill_default_direct_cmd_desc(&desc,
5456 					  i40e_aqc_opc_write_personalization_profile);
5457 
5458 	desc.flags |= cpu_to_le16(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD);
5459 	if (buff_size > I40E_AQ_LARGE_BUF)
5460 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
5461 
5462 	desc.datalen = cpu_to_le16(buff_size);
5463 
5464 	cmd->profile_track_id = cpu_to_le32(track_id);
5465 
5466 	status = i40e_asq_send_command(hw, &desc, buff, buff_size, cmd_details);
5467 	if (!status) {
5468 		resp = (struct i40e_aqc_write_ddp_resp *)&desc.params.raw;
5469 		if (error_offset)
5470 			*error_offset = le32_to_cpu(resp->error_offset);
5471 		if (error_info)
5472 			*error_info = le32_to_cpu(resp->error_info);
5473 	}
5474 
5475 	return status;
5476 }
5477 
5478 /**
5479  * i40e_aq_get_ddp_list - Read dynamic device personalization (ddp)
5480  * @hw: pointer to the hw struct
5481  * @buff: command buffer (size in bytes = buff_size)
5482  * @buff_size: buffer size in bytes
5483  * @flags: AdminQ command flags
5484  * @cmd_details: pointer to command details structure or NULL
5485  **/
i40e_aq_get_ddp_list(struct i40e_hw * hw,void * buff,u16 buff_size,u8 flags,struct i40e_asq_cmd_details * cmd_details)5486 int i40e_aq_get_ddp_list(struct i40e_hw *hw, void *buff,
5487 			 u16 buff_size, u8 flags,
5488 			 struct i40e_asq_cmd_details *cmd_details)
5489 {
5490 	struct i40e_aq_desc desc;
5491 	struct i40e_aqc_get_applied_profiles *cmd =
5492 		(struct i40e_aqc_get_applied_profiles *)&desc.params.raw;
5493 	int status;
5494 
5495 	i40e_fill_default_direct_cmd_desc(&desc,
5496 					  i40e_aqc_opc_get_personalization_profile_list);
5497 
5498 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
5499 	if (buff_size > I40E_AQ_LARGE_BUF)
5500 		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
5501 	desc.datalen = cpu_to_le16(buff_size);
5502 
5503 	cmd->flags = flags;
5504 
5505 	status = i40e_asq_send_command(hw, &desc, buff, buff_size, cmd_details);
5506 
5507 	return status;
5508 }
5509 
5510 /**
5511  * i40e_find_segment_in_package
5512  * @segment_type: the segment type to search for (i.e., SEGMENT_TYPE_I40E)
5513  * @pkg_hdr: pointer to the package header to be searched
5514  *
5515  * This function searches a package file for a particular segment type. On
5516  * success it returns a pointer to the segment header, otherwise it will
5517  * return NULL.
5518  **/
5519 struct i40e_generic_seg_header *
i40e_find_segment_in_package(u32 segment_type,struct i40e_package_header * pkg_hdr)5520 i40e_find_segment_in_package(u32 segment_type,
5521 			     struct i40e_package_header *pkg_hdr)
5522 {
5523 	struct i40e_generic_seg_header *segment;
5524 	u32 i;
5525 
5526 	/* Search all package segments for the requested segment type */
5527 	for (i = 0; i < pkg_hdr->segment_count; i++) {
5528 		segment =
5529 			(struct i40e_generic_seg_header *)((u8 *)pkg_hdr +
5530 			 pkg_hdr->segment_offset[i]);
5531 
5532 		if (segment->type == segment_type)
5533 			return segment;
5534 	}
5535 
5536 	return NULL;
5537 }
5538 
5539 /* Get section table in profile */
5540 #define I40E_SECTION_TABLE(profile, sec_tbl)				\
5541 	do {								\
5542 		struct i40e_profile_segment *p = (profile);		\
5543 		u32 count;						\
5544 		u32 *nvm;						\
5545 		count = p->device_table_count;				\
5546 		nvm = (u32 *)&p->device_table[count];			\
5547 		sec_tbl = (struct i40e_section_table *)&nvm[nvm[0] + 1]; \
5548 	} while (0)
5549 
5550 /* Get section header in profile */
5551 #define I40E_SECTION_HEADER(profile, offset)				\
5552 	(struct i40e_profile_section_header *)((u8 *)(profile) + (offset))
5553 
5554 /**
5555  * i40e_find_section_in_profile
5556  * @section_type: the section type to search for (i.e., SECTION_TYPE_NOTE)
5557  * @profile: pointer to the i40e segment header to be searched
5558  *
5559  * This function searches i40e segment for a particular section type. On
5560  * success it returns a pointer to the section header, otherwise it will
5561  * return NULL.
5562  **/
5563 struct i40e_profile_section_header *
i40e_find_section_in_profile(u32 section_type,struct i40e_profile_segment * profile)5564 i40e_find_section_in_profile(u32 section_type,
5565 			     struct i40e_profile_segment *profile)
5566 {
5567 	struct i40e_profile_section_header *sec;
5568 	struct i40e_section_table *sec_tbl;
5569 	u32 sec_off;
5570 	u32 i;
5571 
5572 	if (profile->header.type != SEGMENT_TYPE_I40E)
5573 		return NULL;
5574 
5575 	I40E_SECTION_TABLE(profile, sec_tbl);
5576 
5577 	for (i = 0; i < sec_tbl->section_count; i++) {
5578 		sec_off = sec_tbl->section_offset[i];
5579 		sec = I40E_SECTION_HEADER(profile, sec_off);
5580 		if (sec->section.type == section_type)
5581 			return sec;
5582 	}
5583 
5584 	return NULL;
5585 }
5586 
5587 /**
5588  * i40e_ddp_exec_aq_section - Execute generic AQ for DDP
5589  * @hw: pointer to the hw struct
5590  * @aq: command buffer containing all data to execute AQ
5591  **/
i40e_ddp_exec_aq_section(struct i40e_hw * hw,struct i40e_profile_aq_section * aq)5592 static int i40e_ddp_exec_aq_section(struct i40e_hw *hw,
5593 				    struct i40e_profile_aq_section *aq)
5594 {
5595 	struct i40e_aq_desc desc;
5596 	u8 *msg = NULL;
5597 	u16 msglen;
5598 	int status;
5599 
5600 	i40e_fill_default_direct_cmd_desc(&desc, aq->opcode);
5601 	desc.flags |= cpu_to_le16(aq->flags);
5602 	memcpy(desc.params.raw, aq->param, sizeof(desc.params.raw));
5603 
5604 	msglen = aq->datalen;
5605 	if (msglen) {
5606 		desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF |
5607 						I40E_AQ_FLAG_RD));
5608 		if (msglen > I40E_AQ_LARGE_BUF)
5609 			desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
5610 		desc.datalen = cpu_to_le16(msglen);
5611 		msg = &aq->data[0];
5612 	}
5613 
5614 	status = i40e_asq_send_command(hw, &desc, msg, msglen, NULL);
5615 
5616 	if (status) {
5617 		i40e_debug(hw, I40E_DEBUG_PACKAGE,
5618 			   "unable to exec DDP AQ opcode %u, error %d\n",
5619 			   aq->opcode, status);
5620 		return status;
5621 	}
5622 
5623 	/* copy returned desc to aq_buf */
5624 	memcpy(aq->param, desc.params.raw, sizeof(desc.params.raw));
5625 
5626 	return 0;
5627 }
5628 
5629 /**
5630  * i40e_validate_profile
5631  * @hw: pointer to the hardware structure
5632  * @profile: pointer to the profile segment of the package to be validated
5633  * @track_id: package tracking id
5634  * @rollback: flag if the profile is for rollback.
5635  *
5636  * Validates supported devices and profile's sections.
5637  */
5638 static int
i40e_validate_profile(struct i40e_hw * hw,struct i40e_profile_segment * profile,u32 track_id,bool rollback)5639 i40e_validate_profile(struct i40e_hw *hw, struct i40e_profile_segment *profile,
5640 		      u32 track_id, bool rollback)
5641 {
5642 	struct i40e_profile_section_header *sec = NULL;
5643 	struct i40e_section_table *sec_tbl;
5644 	u32 vendor_dev_id;
5645 	int status = 0;
5646 	u32 dev_cnt;
5647 	u32 sec_off;
5648 	u32 i;
5649 
5650 	if (track_id == I40E_DDP_TRACKID_INVALID) {
5651 		i40e_debug(hw, I40E_DEBUG_PACKAGE, "Invalid track_id\n");
5652 		return -EOPNOTSUPP;
5653 	}
5654 
5655 	dev_cnt = profile->device_table_count;
5656 	for (i = 0; i < dev_cnt; i++) {
5657 		vendor_dev_id = profile->device_table[i].vendor_dev_id;
5658 		if ((vendor_dev_id >> 16) == PCI_VENDOR_ID_INTEL &&
5659 		    hw->device_id == (vendor_dev_id & 0xFFFF))
5660 			break;
5661 	}
5662 	if (dev_cnt && i == dev_cnt) {
5663 		i40e_debug(hw, I40E_DEBUG_PACKAGE,
5664 			   "Device doesn't support DDP\n");
5665 		return -ENODEV;
5666 	}
5667 
5668 	I40E_SECTION_TABLE(profile, sec_tbl);
5669 
5670 	/* Validate sections types */
5671 	for (i = 0; i < sec_tbl->section_count; i++) {
5672 		sec_off = sec_tbl->section_offset[i];
5673 		sec = I40E_SECTION_HEADER(profile, sec_off);
5674 		if (rollback) {
5675 			if (sec->section.type == SECTION_TYPE_MMIO ||
5676 			    sec->section.type == SECTION_TYPE_AQ ||
5677 			    sec->section.type == SECTION_TYPE_RB_AQ) {
5678 				i40e_debug(hw, I40E_DEBUG_PACKAGE,
5679 					   "Not a roll-back package\n");
5680 				return -EOPNOTSUPP;
5681 			}
5682 		} else {
5683 			if (sec->section.type == SECTION_TYPE_RB_AQ ||
5684 			    sec->section.type == SECTION_TYPE_RB_MMIO) {
5685 				i40e_debug(hw, I40E_DEBUG_PACKAGE,
5686 					   "Not an original package\n");
5687 				return -EOPNOTSUPP;
5688 			}
5689 		}
5690 	}
5691 
5692 	return status;
5693 }
5694 
5695 /**
5696  * i40e_write_profile
5697  * @hw: pointer to the hardware structure
5698  * @profile: pointer to the profile segment of the package to be downloaded
5699  * @track_id: package tracking id
5700  *
5701  * Handles the download of a complete package.
5702  */
5703 int
i40e_write_profile(struct i40e_hw * hw,struct i40e_profile_segment * profile,u32 track_id)5704 i40e_write_profile(struct i40e_hw *hw, struct i40e_profile_segment *profile,
5705 		   u32 track_id)
5706 {
5707 	struct i40e_profile_section_header *sec = NULL;
5708 	struct i40e_profile_aq_section *ddp_aq;
5709 	struct i40e_section_table *sec_tbl;
5710 	u32 offset = 0, info = 0;
5711 	u32 section_size = 0;
5712 	int status = 0;
5713 	u32 sec_off;
5714 	u32 i;
5715 
5716 	status = i40e_validate_profile(hw, profile, track_id, false);
5717 	if (status)
5718 		return status;
5719 
5720 	I40E_SECTION_TABLE(profile, sec_tbl);
5721 
5722 	for (i = 0; i < sec_tbl->section_count; i++) {
5723 		sec_off = sec_tbl->section_offset[i];
5724 		sec = I40E_SECTION_HEADER(profile, sec_off);
5725 		/* Process generic admin command */
5726 		if (sec->section.type == SECTION_TYPE_AQ) {
5727 			ddp_aq = (struct i40e_profile_aq_section *)&sec[1];
5728 			status = i40e_ddp_exec_aq_section(hw, ddp_aq);
5729 			if (status) {
5730 				i40e_debug(hw, I40E_DEBUG_PACKAGE,
5731 					   "Failed to execute aq: section %d, opcode %u\n",
5732 					   i, ddp_aq->opcode);
5733 				break;
5734 			}
5735 			sec->section.type = SECTION_TYPE_RB_AQ;
5736 		}
5737 
5738 		/* Skip any non-mmio sections */
5739 		if (sec->section.type != SECTION_TYPE_MMIO)
5740 			continue;
5741 
5742 		section_size = sec->section.size +
5743 			sizeof(struct i40e_profile_section_header);
5744 
5745 		/* Write MMIO section */
5746 		status = i40e_aq_write_ddp(hw, (void *)sec, (u16)section_size,
5747 					   track_id, &offset, &info, NULL);
5748 		if (status) {
5749 			i40e_debug(hw, I40E_DEBUG_PACKAGE,
5750 				   "Failed to write profile: section %d, offset %d, info %d\n",
5751 				   i, offset, info);
5752 			break;
5753 		}
5754 	}
5755 	return status;
5756 }
5757 
5758 /**
5759  * i40e_rollback_profile
5760  * @hw: pointer to the hardware structure
5761  * @profile: pointer to the profile segment of the package to be removed
5762  * @track_id: package tracking id
5763  *
5764  * Rolls back previously loaded package.
5765  */
5766 int
i40e_rollback_profile(struct i40e_hw * hw,struct i40e_profile_segment * profile,u32 track_id)5767 i40e_rollback_profile(struct i40e_hw *hw, struct i40e_profile_segment *profile,
5768 		      u32 track_id)
5769 {
5770 	struct i40e_profile_section_header *sec = NULL;
5771 	struct i40e_section_table *sec_tbl;
5772 	u32 offset = 0, info = 0;
5773 	u32 section_size = 0;
5774 	int status = 0;
5775 	u32 sec_off;
5776 	int i;
5777 
5778 	status = i40e_validate_profile(hw, profile, track_id, true);
5779 	if (status)
5780 		return status;
5781 
5782 	I40E_SECTION_TABLE(profile, sec_tbl);
5783 
5784 	/* For rollback write sections in reverse */
5785 	for (i = sec_tbl->section_count - 1; i >= 0; i--) {
5786 		sec_off = sec_tbl->section_offset[i];
5787 		sec = I40E_SECTION_HEADER(profile, sec_off);
5788 
5789 		/* Skip any non-rollback sections */
5790 		if (sec->section.type != SECTION_TYPE_RB_MMIO)
5791 			continue;
5792 
5793 		section_size = sec->section.size +
5794 			sizeof(struct i40e_profile_section_header);
5795 
5796 		/* Write roll-back MMIO section */
5797 		status = i40e_aq_write_ddp(hw, (void *)sec, (u16)section_size,
5798 					   track_id, &offset, &info, NULL);
5799 		if (status) {
5800 			i40e_debug(hw, I40E_DEBUG_PACKAGE,
5801 				   "Failed to write profile: section %d, offset %d, info %d\n",
5802 				   i, offset, info);
5803 			break;
5804 		}
5805 	}
5806 	return status;
5807 }
5808 
5809 /**
5810  * i40e_add_pinfo_to_list
5811  * @hw: pointer to the hardware structure
5812  * @profile: pointer to the profile segment of the package
5813  * @profile_info_sec: buffer for information section
5814  * @track_id: package tracking id
5815  *
5816  * Register a profile to the list of loaded profiles.
5817  */
5818 int
i40e_add_pinfo_to_list(struct i40e_hw * hw,struct i40e_profile_segment * profile,u8 * profile_info_sec,u32 track_id)5819 i40e_add_pinfo_to_list(struct i40e_hw *hw,
5820 		       struct i40e_profile_segment *profile,
5821 		       u8 *profile_info_sec, u32 track_id)
5822 {
5823 	struct i40e_profile_section_header *sec = NULL;
5824 	struct i40e_profile_info *pinfo;
5825 	u32 offset = 0, info = 0;
5826 	int status = 0;
5827 
5828 	sec = (struct i40e_profile_section_header *)profile_info_sec;
5829 	sec->tbl_size = 1;
5830 	sec->data_end = sizeof(struct i40e_profile_section_header) +
5831 			sizeof(struct i40e_profile_info);
5832 	sec->section.type = SECTION_TYPE_INFO;
5833 	sec->section.offset = sizeof(struct i40e_profile_section_header);
5834 	sec->section.size = sizeof(struct i40e_profile_info);
5835 	pinfo = (struct i40e_profile_info *)(profile_info_sec +
5836 					     sec->section.offset);
5837 	pinfo->track_id = track_id;
5838 	pinfo->version = profile->version;
5839 	pinfo->op = I40E_DDP_ADD_TRACKID;
5840 	memcpy(pinfo->name, profile->name, I40E_DDP_NAME_SIZE);
5841 
5842 	status = i40e_aq_write_ddp(hw, (void *)sec, sec->data_end,
5843 				   track_id, &offset, &info, NULL);
5844 
5845 	return status;
5846 }
5847 
5848 /**
5849  * i40e_aq_add_cloud_filters
5850  * @hw: pointer to the hardware structure
5851  * @seid: VSI seid to add cloud filters from
5852  * @filters: Buffer which contains the filters to be added
5853  * @filter_count: number of filters contained in the buffer
5854  *
5855  * Set the cloud filters for a given VSI.  The contents of the
5856  * i40e_aqc_cloud_filters_element_data are filled in by the caller
5857  * of the function.
5858  *
5859  **/
5860 int
i40e_aq_add_cloud_filters(struct i40e_hw * hw,u16 seid,struct i40e_aqc_cloud_filters_element_data * filters,u8 filter_count)5861 i40e_aq_add_cloud_filters(struct i40e_hw *hw, u16 seid,
5862 			  struct i40e_aqc_cloud_filters_element_data *filters,
5863 			  u8 filter_count)
5864 {
5865 	struct i40e_aq_desc desc;
5866 	struct i40e_aqc_add_remove_cloud_filters *cmd =
5867 	(struct i40e_aqc_add_remove_cloud_filters *)&desc.params.raw;
5868 	u16 buff_len;
5869 	int status;
5870 
5871 	i40e_fill_default_direct_cmd_desc(&desc,
5872 					  i40e_aqc_opc_add_cloud_filters);
5873 
5874 	buff_len = filter_count * sizeof(*filters);
5875 	desc.datalen = cpu_to_le16(buff_len);
5876 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
5877 	cmd->num_filters = filter_count;
5878 	cmd->seid = cpu_to_le16(seid);
5879 
5880 	status = i40e_asq_send_command(hw, &desc, filters, buff_len, NULL);
5881 
5882 	return status;
5883 }
5884 
5885 /**
5886  * i40e_aq_add_cloud_filters_bb
5887  * @hw: pointer to the hardware structure
5888  * @seid: VSI seid to add cloud filters from
5889  * @filters: Buffer which contains the filters in big buffer to be added
5890  * @filter_count: number of filters contained in the buffer
5891  *
5892  * Set the big buffer cloud filters for a given VSI.  The contents of the
5893  * i40e_aqc_cloud_filters_element_bb are filled in by the caller of the
5894  * function.
5895  *
5896  **/
5897 int
i40e_aq_add_cloud_filters_bb(struct i40e_hw * hw,u16 seid,struct i40e_aqc_cloud_filters_element_bb * filters,u8 filter_count)5898 i40e_aq_add_cloud_filters_bb(struct i40e_hw *hw, u16 seid,
5899 			     struct i40e_aqc_cloud_filters_element_bb *filters,
5900 			     u8 filter_count)
5901 {
5902 	struct i40e_aq_desc desc;
5903 	struct i40e_aqc_add_remove_cloud_filters *cmd =
5904 	(struct i40e_aqc_add_remove_cloud_filters *)&desc.params.raw;
5905 	u16 buff_len;
5906 	int status;
5907 	int i;
5908 
5909 	i40e_fill_default_direct_cmd_desc(&desc,
5910 					  i40e_aqc_opc_add_cloud_filters);
5911 
5912 	buff_len = filter_count * sizeof(*filters);
5913 	desc.datalen = cpu_to_le16(buff_len);
5914 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
5915 	cmd->num_filters = filter_count;
5916 	cmd->seid = cpu_to_le16(seid);
5917 	cmd->big_buffer_flag = I40E_AQC_ADD_CLOUD_CMD_BB;
5918 
5919 	for (i = 0; i < filter_count; i++) {
5920 		u16 tnl_type;
5921 		u32 ti;
5922 
5923 		tnl_type = (le16_to_cpu(filters[i].element.flags) &
5924 			   I40E_AQC_ADD_CLOUD_TNL_TYPE_MASK) >>
5925 			   I40E_AQC_ADD_CLOUD_TNL_TYPE_SHIFT;
5926 
5927 		/* Due to hardware eccentricities, the VNI for Geneve is shifted
5928 		 * one more byte further than normally used for Tenant ID in
5929 		 * other tunnel types.
5930 		 */
5931 		if (tnl_type == I40E_AQC_ADD_CLOUD_TNL_TYPE_GENEVE) {
5932 			ti = le32_to_cpu(filters[i].element.tenant_id);
5933 			filters[i].element.tenant_id = cpu_to_le32(ti << 8);
5934 		}
5935 	}
5936 
5937 	status = i40e_asq_send_command(hw, &desc, filters, buff_len, NULL);
5938 
5939 	return status;
5940 }
5941 
5942 /**
5943  * i40e_aq_rem_cloud_filters
5944  * @hw: pointer to the hardware structure
5945  * @seid: VSI seid to remove cloud filters from
5946  * @filters: Buffer which contains the filters to be removed
5947  * @filter_count: number of filters contained in the buffer
5948  *
5949  * Remove the cloud filters for a given VSI.  The contents of the
5950  * i40e_aqc_cloud_filters_element_data are filled in by the caller
5951  * of the function.
5952  *
5953  **/
5954 int
i40e_aq_rem_cloud_filters(struct i40e_hw * hw,u16 seid,struct i40e_aqc_cloud_filters_element_data * filters,u8 filter_count)5955 i40e_aq_rem_cloud_filters(struct i40e_hw *hw, u16 seid,
5956 			  struct i40e_aqc_cloud_filters_element_data *filters,
5957 			  u8 filter_count)
5958 {
5959 	struct i40e_aq_desc desc;
5960 	struct i40e_aqc_add_remove_cloud_filters *cmd =
5961 	(struct i40e_aqc_add_remove_cloud_filters *)&desc.params.raw;
5962 	u16 buff_len;
5963 	int status;
5964 
5965 	i40e_fill_default_direct_cmd_desc(&desc,
5966 					  i40e_aqc_opc_remove_cloud_filters);
5967 
5968 	buff_len = filter_count * sizeof(*filters);
5969 	desc.datalen = cpu_to_le16(buff_len);
5970 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
5971 	cmd->num_filters = filter_count;
5972 	cmd->seid = cpu_to_le16(seid);
5973 
5974 	status = i40e_asq_send_command(hw, &desc, filters, buff_len, NULL);
5975 
5976 	return status;
5977 }
5978 
5979 /**
5980  * i40e_aq_rem_cloud_filters_bb
5981  * @hw: pointer to the hardware structure
5982  * @seid: VSI seid to remove cloud filters from
5983  * @filters: Buffer which contains the filters in big buffer to be removed
5984  * @filter_count: number of filters contained in the buffer
5985  *
5986  * Remove the big buffer cloud filters for a given VSI.  The contents of the
5987  * i40e_aqc_cloud_filters_element_bb are filled in by the caller of the
5988  * function.
5989  *
5990  **/
5991 int
i40e_aq_rem_cloud_filters_bb(struct i40e_hw * hw,u16 seid,struct i40e_aqc_cloud_filters_element_bb * filters,u8 filter_count)5992 i40e_aq_rem_cloud_filters_bb(struct i40e_hw *hw, u16 seid,
5993 			     struct i40e_aqc_cloud_filters_element_bb *filters,
5994 			     u8 filter_count)
5995 {
5996 	struct i40e_aq_desc desc;
5997 	struct i40e_aqc_add_remove_cloud_filters *cmd =
5998 	(struct i40e_aqc_add_remove_cloud_filters *)&desc.params.raw;
5999 	u16 buff_len;
6000 	int status;
6001 	int i;
6002 
6003 	i40e_fill_default_direct_cmd_desc(&desc,
6004 					  i40e_aqc_opc_remove_cloud_filters);
6005 
6006 	buff_len = filter_count * sizeof(*filters);
6007 	desc.datalen = cpu_to_le16(buff_len);
6008 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
6009 	cmd->num_filters = filter_count;
6010 	cmd->seid = cpu_to_le16(seid);
6011 	cmd->big_buffer_flag = I40E_AQC_ADD_CLOUD_CMD_BB;
6012 
6013 	for (i = 0; i < filter_count; i++) {
6014 		u16 tnl_type;
6015 		u32 ti;
6016 
6017 		tnl_type = (le16_to_cpu(filters[i].element.flags) &
6018 			   I40E_AQC_ADD_CLOUD_TNL_TYPE_MASK) >>
6019 			   I40E_AQC_ADD_CLOUD_TNL_TYPE_SHIFT;
6020 
6021 		/* Due to hardware eccentricities, the VNI for Geneve is shifted
6022 		 * one more byte further than normally used for Tenant ID in
6023 		 * other tunnel types.
6024 		 */
6025 		if (tnl_type == I40E_AQC_ADD_CLOUD_TNL_TYPE_GENEVE) {
6026 			ti = le32_to_cpu(filters[i].element.tenant_id);
6027 			filters[i].element.tenant_id = cpu_to_le32(ti << 8);
6028 		}
6029 	}
6030 
6031 	status = i40e_asq_send_command(hw, &desc, filters, buff_len, NULL);
6032 
6033 	return status;
6034 }
6035