xref: /dpdk/drivers/net/ice/base/ice_flex_pipe.c (revision 2c7845a7)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2001-2019
3  */
4 
5 #include "ice_common.h"
6 #include "ice_flex_pipe.h"
7 #include "ice_protocol_type.h"
8 #include "ice_flow.h"
9 
10 /* To support tunneling entries by PF, the package will append the PF number to
11  * the label; for example TNL_VXLAN_PF0, TNL_VXLAN_PF1, TNL_VXLAN_PF2, etc.
12  */
13 static const struct ice_tunnel_type_scan tnls[] = {
14 	{ TNL_VXLAN,		"TNL_VXLAN_PF" },
15 	{ TNL_GENEVE,		"TNL_GENEVE_PF" },
16 	{ TNL_LAST,		"" }
17 };
18 
19 static const u32 ice_sect_lkup[ICE_BLK_COUNT][ICE_SECT_COUNT] = {
20 	/* SWITCH */
21 	{
22 		ICE_SID_XLT0_SW,
23 		ICE_SID_XLT_KEY_BUILDER_SW,
24 		ICE_SID_XLT1_SW,
25 		ICE_SID_XLT2_SW,
26 		ICE_SID_PROFID_TCAM_SW,
27 		ICE_SID_PROFID_REDIR_SW,
28 		ICE_SID_FLD_VEC_SW,
29 		ICE_SID_CDID_KEY_BUILDER_SW,
30 		ICE_SID_CDID_REDIR_SW
31 	},
32 
33 	/* ACL */
34 	{
35 		ICE_SID_XLT0_ACL,
36 		ICE_SID_XLT_KEY_BUILDER_ACL,
37 		ICE_SID_XLT1_ACL,
38 		ICE_SID_XLT2_ACL,
39 		ICE_SID_PROFID_TCAM_ACL,
40 		ICE_SID_PROFID_REDIR_ACL,
41 		ICE_SID_FLD_VEC_ACL,
42 		ICE_SID_CDID_KEY_BUILDER_ACL,
43 		ICE_SID_CDID_REDIR_ACL
44 	},
45 
46 	/* FD */
47 	{
48 		ICE_SID_XLT0_FD,
49 		ICE_SID_XLT_KEY_BUILDER_FD,
50 		ICE_SID_XLT1_FD,
51 		ICE_SID_XLT2_FD,
52 		ICE_SID_PROFID_TCAM_FD,
53 		ICE_SID_PROFID_REDIR_FD,
54 		ICE_SID_FLD_VEC_FD,
55 		ICE_SID_CDID_KEY_BUILDER_FD,
56 		ICE_SID_CDID_REDIR_FD
57 	},
58 
59 	/* RSS */
60 	{
61 		ICE_SID_XLT0_RSS,
62 		ICE_SID_XLT_KEY_BUILDER_RSS,
63 		ICE_SID_XLT1_RSS,
64 		ICE_SID_XLT2_RSS,
65 		ICE_SID_PROFID_TCAM_RSS,
66 		ICE_SID_PROFID_REDIR_RSS,
67 		ICE_SID_FLD_VEC_RSS,
68 		ICE_SID_CDID_KEY_BUILDER_RSS,
69 		ICE_SID_CDID_REDIR_RSS
70 	},
71 
72 	/* PE */
73 	{
74 		ICE_SID_XLT0_PE,
75 		ICE_SID_XLT_KEY_BUILDER_PE,
76 		ICE_SID_XLT1_PE,
77 		ICE_SID_XLT2_PE,
78 		ICE_SID_PROFID_TCAM_PE,
79 		ICE_SID_PROFID_REDIR_PE,
80 		ICE_SID_FLD_VEC_PE,
81 		ICE_SID_CDID_KEY_BUILDER_PE,
82 		ICE_SID_CDID_REDIR_PE
83 	}
84 };
85 
86 /**
87  * ice_sect_id - returns section ID
88  * @blk: block type
89  * @sect: section type
90  *
91  * This helper function returns the proper section ID given a block type and a
92  * section type.
93  */
94 static u32 ice_sect_id(enum ice_block blk, enum ice_sect sect)
95 {
96 	return ice_sect_lkup[blk][sect];
97 }
98 
99 /**
100  * ice_pkg_val_buf
101  * @buf: pointer to the ice buffer
102  *
103  * This helper function validates a buffer's header.
104  */
105 static struct ice_buf_hdr *ice_pkg_val_buf(struct ice_buf *buf)
106 {
107 	struct ice_buf_hdr *hdr;
108 	u16 section_count;
109 	u16 data_end;
110 
111 	hdr = (struct ice_buf_hdr *)buf->buf;
112 	/* verify data */
113 	section_count = LE16_TO_CPU(hdr->section_count);
114 	if (section_count < ICE_MIN_S_COUNT || section_count > ICE_MAX_S_COUNT)
115 		return NULL;
116 
117 	data_end = LE16_TO_CPU(hdr->data_end);
118 	if (data_end < ICE_MIN_S_DATA_END || data_end > ICE_MAX_S_DATA_END)
119 		return NULL;
120 
121 	return hdr;
122 }
123 
124 /**
125  * ice_find_buf_table
126  * @ice_seg: pointer to the ice segment
127  *
128  * Returns the address of the buffer table within the ice segment.
129  */
130 static struct ice_buf_table *ice_find_buf_table(struct ice_seg *ice_seg)
131 {
132 	struct ice_nvm_table *nvms;
133 
134 	nvms = (struct ice_nvm_table *)
135 		(ice_seg->device_table +
136 		 LE32_TO_CPU(ice_seg->device_table_count));
137 
138 	return (_FORCE_ struct ice_buf_table *)
139 		(nvms->vers + LE32_TO_CPU(nvms->table_count));
140 }
141 
142 /**
143  * ice_pkg_enum_buf
144  * @ice_seg: pointer to the ice segment (or NULL on subsequent calls)
145  * @state: pointer to the enum state
146  *
147  * This function will enumerate all the buffers in the ice segment. The first
148  * call is made with the ice_seg parameter non-NULL; on subsequent calls,
149  * ice_seg is set to NULL which continues the enumeration. When the function
150  * returns a NULL pointer, then the end of the buffers has been reached, or an
151  * unexpected value has been detected (for example an invalid section count or
152  * an invalid buffer end value).
153  */
154 static struct ice_buf_hdr *
155 ice_pkg_enum_buf(struct ice_seg *ice_seg, struct ice_pkg_enum *state)
156 {
157 	if (ice_seg) {
158 		state->buf_table = ice_find_buf_table(ice_seg);
159 		if (!state->buf_table)
160 			return NULL;
161 
162 		state->buf_idx = 0;
163 		return ice_pkg_val_buf(state->buf_table->buf_array);
164 	}
165 
166 	if (++state->buf_idx < LE32_TO_CPU(state->buf_table->buf_count))
167 		return ice_pkg_val_buf(state->buf_table->buf_array +
168 				       state->buf_idx);
169 	else
170 		return NULL;
171 }
172 
173 /**
174  * ice_pkg_advance_sect
175  * @ice_seg: pointer to the ice segment (or NULL on subsequent calls)
176  * @state: pointer to the enum state
177  *
178  * This helper function will advance the section within the ice segment,
179  * also advancing the buffer if needed.
180  */
181 static bool
182 ice_pkg_advance_sect(struct ice_seg *ice_seg, struct ice_pkg_enum *state)
183 {
184 	if (!ice_seg && !state->buf)
185 		return false;
186 
187 	if (!ice_seg && state->buf)
188 		if (++state->sect_idx < LE16_TO_CPU(state->buf->section_count))
189 			return true;
190 
191 	state->buf = ice_pkg_enum_buf(ice_seg, state);
192 	if (!state->buf)
193 		return false;
194 
195 	/* start of new buffer, reset section index */
196 	state->sect_idx = 0;
197 	return true;
198 }
199 
200 /**
201  * ice_pkg_enum_section
202  * @ice_seg: pointer to the ice segment (or NULL on subsequent calls)
203  * @state: pointer to the enum state
204  * @sect_type: section type to enumerate
205  *
206  * This function will enumerate all the sections of a particular type in the
207  * ice segment. The first call is made with the ice_seg parameter non-NULL;
208  * on subsequent calls, ice_seg is set to NULL which continues the enumeration.
209  * When the function returns a NULL pointer, then the end of the matching
210  * sections has been reached.
211  */
212 static void *
213 ice_pkg_enum_section(struct ice_seg *ice_seg, struct ice_pkg_enum *state,
214 		     u32 sect_type)
215 {
216 	u16 offset, size;
217 
218 	if (ice_seg)
219 		state->type = sect_type;
220 
221 	if (!ice_pkg_advance_sect(ice_seg, state))
222 		return NULL;
223 
224 	/* scan for next matching section */
225 	while (state->buf->section_entry[state->sect_idx].type !=
226 	       CPU_TO_LE32(state->type))
227 		if (!ice_pkg_advance_sect(NULL, state))
228 			return NULL;
229 
230 	/* validate section */
231 	offset = LE16_TO_CPU(state->buf->section_entry[state->sect_idx].offset);
232 	if (offset < ICE_MIN_S_OFF || offset > ICE_MAX_S_OFF)
233 		return NULL;
234 
235 	size = LE16_TO_CPU(state->buf->section_entry[state->sect_idx].size);
236 	if (size < ICE_MIN_S_SZ || size > ICE_MAX_S_SZ)
237 		return NULL;
238 
239 	/* make sure the section fits in the buffer */
240 	if (offset + size > ICE_PKG_BUF_SIZE)
241 		return NULL;
242 
243 	state->sect_type =
244 		LE32_TO_CPU(state->buf->section_entry[state->sect_idx].type);
245 
246 	/* calc pointer to this section */
247 	state->sect = ((u8 *)state->buf) +
248 		LE16_TO_CPU(state->buf->section_entry[state->sect_idx].offset);
249 
250 	return state->sect;
251 }
252 
253 /**
254  * ice_pkg_enum_entry
255  * @ice_seg: pointer to the ice segment (or NULL on subsequent calls)
256  * @state: pointer to the enum state
257  * @sect_type: section type to enumerate
258  * @offset: pointer to variable that receives the offset in the table (optional)
259  * @handler: function that handles access to the entries into the section type
260  *
261  * This function will enumerate all the entries in particular section type in
262  * the ice segment. The first call is made with the ice_seg parameter non-NULL;
263  * on subsequent calls, ice_seg is set to NULL which continues the enumeration.
264  * When the function returns a NULL pointer, then the end of the entries has
265  * been reached.
266  *
267  * Since each section may have a different header and entry size, the handler
268  * function is needed to determine the number and location entries in each
269  * section.
270  *
271  * The offset parameter is optional, but should be used for sections that
272  * contain an offset for each section table. For such cases, the section handler
273  * function must return the appropriate offset + index to give the absolution
274  * offset for each entry. For example, if the base for a section's header
275  * indicates a base offset of 10, and the index for the entry is 2, then
276  * section handler function should set the offset to 10 + 2 = 12.
277  */
278 static void *
279 ice_pkg_enum_entry(struct ice_seg *ice_seg, struct ice_pkg_enum *state,
280 		   u32 sect_type, u32 *offset,
281 		   void *(*handler)(u32 sect_type, void *section,
282 				    u32 index, u32 *offset))
283 {
284 	void *entry;
285 
286 	if (ice_seg) {
287 		if (!handler)
288 			return NULL;
289 
290 		if (!ice_pkg_enum_section(ice_seg, state, sect_type))
291 			return NULL;
292 
293 		state->entry_idx = 0;
294 		state->handler = handler;
295 	} else {
296 		state->entry_idx++;
297 	}
298 
299 	if (!state->handler)
300 		return NULL;
301 
302 	/* get entry */
303 	entry = state->handler(state->sect_type, state->sect, state->entry_idx,
304 			       offset);
305 	if (!entry) {
306 		/* end of a section, look for another section of this type */
307 		if (!ice_pkg_enum_section(NULL, state, 0))
308 			return NULL;
309 
310 		state->entry_idx = 0;
311 		entry = state->handler(state->sect_type, state->sect,
312 				       state->entry_idx, offset);
313 	}
314 
315 	return entry;
316 }
317 
318 /**
319  * ice_boost_tcam_handler
320  * @sect_type: section type
321  * @section: pointer to section
322  * @index: index of the boost TCAM entry to be returned
323  * @offset: pointer to receive absolute offset, always 0 for boost TCAM sections
324  *
325  * This is a callback function that can be passed to ice_pkg_enum_entry.
326  * Handles enumeration of individual boost TCAM entries.
327  */
328 static void *
329 ice_boost_tcam_handler(u32 sect_type, void *section, u32 index, u32 *offset)
330 {
331 	struct ice_boost_tcam_section *boost;
332 
333 	if (!section)
334 		return NULL;
335 
336 	if (sect_type != ICE_SID_RXPARSER_BOOST_TCAM)
337 		return NULL;
338 
339 	if (index > ICE_MAX_BST_TCAMS_IN_BUF)
340 		return NULL;
341 
342 	if (offset)
343 		*offset = 0;
344 
345 	boost = (struct ice_boost_tcam_section *)section;
346 	if (index >= LE16_TO_CPU(boost->count))
347 		return NULL;
348 
349 	return boost->tcam + index;
350 }
351 
352 /**
353  * ice_find_boost_entry
354  * @ice_seg: pointer to the ice segment (non-NULL)
355  * @addr: Boost TCAM address of entry to search for
356  * @entry: returns pointer to the entry
357  *
358  * Finds a particular Boost TCAM entry and returns a pointer to that entry
359  * if it is found. The ice_seg parameter must not be NULL since the first call
360  * to ice_pkg_enum_entry requires a pointer to an actual ice_segment structure.
361  */
362 static enum ice_status
363 ice_find_boost_entry(struct ice_seg *ice_seg, u16 addr,
364 		     struct ice_boost_tcam_entry **entry)
365 {
366 	struct ice_boost_tcam_entry *tcam;
367 	struct ice_pkg_enum state;
368 
369 	ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM);
370 
371 	if (!ice_seg)
372 		return ICE_ERR_PARAM;
373 
374 	do {
375 		tcam = (struct ice_boost_tcam_entry *)
376 		       ice_pkg_enum_entry(ice_seg, &state,
377 					  ICE_SID_RXPARSER_BOOST_TCAM, NULL,
378 					  ice_boost_tcam_handler);
379 		if (tcam && LE16_TO_CPU(tcam->addr) == addr) {
380 			*entry = tcam;
381 			return ICE_SUCCESS;
382 		}
383 
384 		ice_seg = NULL;
385 	} while (tcam);
386 
387 	*entry = NULL;
388 	return ICE_ERR_CFG;
389 }
390 
391 /**
392  * ice_label_enum_handler
393  * @sect_type: section type
394  * @section: pointer to section
395  * @index: index of the label entry to be returned
396  * @offset: pointer to receive absolute offset, always zero for label sections
397  *
398  * This is a callback function that can be passed to ice_pkg_enum_entry.
399  * Handles enumeration of individual label entries.
400  */
401 static void *
402 ice_label_enum_handler(u32 __ALWAYS_UNUSED sect_type, void *section, u32 index,
403 		       u32 *offset)
404 {
405 	struct ice_label_section *labels;
406 
407 	if (!section)
408 		return NULL;
409 
410 	if (index > ICE_MAX_LABELS_IN_BUF)
411 		return NULL;
412 
413 	if (offset)
414 		*offset = 0;
415 
416 	labels = (struct ice_label_section *)section;
417 	if (index >= LE16_TO_CPU(labels->count))
418 		return NULL;
419 
420 	return labels->label + index;
421 }
422 
423 /**
424  * ice_enum_labels
425  * @ice_seg: pointer to the ice segment (NULL on subsequent calls)
426  * @type: the section type that will contain the label (0 on subsequent calls)
427  * @state: ice_pkg_enum structure that will hold the state of the enumeration
428  * @value: pointer to a value that will return the label's value if found
429  *
430  * Enumerates a list of labels in the package. The caller will call
431  * ice_enum_labels(ice_seg, type, ...) to start the enumeration, then call
432  * ice_enum_labels(NULL, 0, ...) to continue. When the function returns a NULL
433  * the end of the list has been reached.
434  */
435 static char *
436 ice_enum_labels(struct ice_seg *ice_seg, u32 type, struct ice_pkg_enum *state,
437 		u16 *value)
438 {
439 	struct ice_label *label;
440 
441 	/* Check for valid label section on first call */
442 	if (type && !(type >= ICE_SID_LBL_FIRST && type <= ICE_SID_LBL_LAST))
443 		return NULL;
444 
445 	label = (struct ice_label *)ice_pkg_enum_entry(ice_seg, state, type,
446 						       NULL,
447 						       ice_label_enum_handler);
448 	if (!label)
449 		return NULL;
450 
451 	*value = LE16_TO_CPU(label->value);
452 	return label->name;
453 }
454 
455 /**
456  * ice_init_pkg_hints
457  * @hw: pointer to the HW structure
458  * @ice_seg: pointer to the segment of the package scan (non-NULL)
459  *
460  * This function will scan the package and save off relevant information
461  * (hints or metadata) for driver use. The ice_seg parameter must not be NULL
462  * since the first call to ice_enum_labels requires a pointer to an actual
463  * ice_seg structure.
464  */
465 static void ice_init_pkg_hints(struct ice_hw *hw, struct ice_seg *ice_seg)
466 {
467 	struct ice_pkg_enum state;
468 	char *label_name;
469 	u16 val;
470 	int i;
471 
472 	ice_memset(&hw->tnl, 0, sizeof(hw->tnl), ICE_NONDMA_MEM);
473 
474 	if (!ice_seg)
475 		return;
476 
477 	label_name = ice_enum_labels(ice_seg, ICE_SID_LBL_RXPARSER_TMEM, &state,
478 				     &val);
479 
480 	while (label_name && hw->tnl.count < ICE_TUNNEL_MAX_ENTRIES) {
481 		for (i = 0; tnls[i].type != TNL_LAST; i++) {
482 			size_t len = strlen(tnls[i].label_prefix);
483 
484 			/* Look for matching label start, before continuing */
485 			if (strncmp(label_name, tnls[i].label_prefix, len))
486 				continue;
487 
488 			/* Make sure this label matches our PF. Note that the PF
489 			 * character ('0' - '7') will be located where our
490 			 * prefix string's null terminator is located.
491 			 */
492 			if ((label_name[len] - '0') == hw->pf_id) {
493 				hw->tnl.tbl[hw->tnl.count].type = tnls[i].type;
494 				hw->tnl.tbl[hw->tnl.count].valid = false;
495 				hw->tnl.tbl[hw->tnl.count].in_use = false;
496 				hw->tnl.tbl[hw->tnl.count].marked = false;
497 				hw->tnl.tbl[hw->tnl.count].boost_addr = val;
498 				hw->tnl.tbl[hw->tnl.count].port = 0;
499 				hw->tnl.count++;
500 				break;
501 			}
502 		}
503 
504 		label_name = ice_enum_labels(NULL, 0, &state, &val);
505 	}
506 
507 	/* Cache the appropriate boost TCAM entry pointers */
508 	for (i = 0; i < hw->tnl.count; i++) {
509 		ice_find_boost_entry(ice_seg, hw->tnl.tbl[i].boost_addr,
510 				     &hw->tnl.tbl[i].boost_entry);
511 		if (hw->tnl.tbl[i].boost_entry)
512 			hw->tnl.tbl[i].valid = true;
513 	}
514 }
515 
516 /* Key creation */
517 
518 #define ICE_DC_KEY	0x1	/* don't care */
519 #define ICE_DC_KEYINV	0x1
520 #define ICE_NM_KEY	0x0	/* never match */
521 #define ICE_NM_KEYINV	0x0
522 #define ICE_0_KEY	0x1	/* match 0 */
523 #define ICE_0_KEYINV	0x0
524 #define ICE_1_KEY	0x0	/* match 1 */
525 #define ICE_1_KEYINV	0x1
526 
527 /**
528  * ice_gen_key_word - generate 16-bits of a key/mask word
529  * @val: the value
530  * @valid: valid bits mask (change only the valid bits)
531  * @dont_care: don't care mask
532  * @nvr_mtch: never match mask
533  * @key: pointer to an array of where the resulting key portion
534  * @key_inv: pointer to an array of where the resulting key invert portion
535  *
536  * This function generates 16-bits from a 8-bit value, an 8-bit don't care mask
537  * and an 8-bit never match mask. The 16-bits of output are divided into 8 bits
538  * of key and 8 bits of key invert.
539  *
540  *     '0' =    b01, always match a 0 bit
541  *     '1' =    b10, always match a 1 bit
542  *     '?' =    b11, don't care bit (always matches)
543  *     '~' =    b00, never match bit
544  *
545  * Input:
546  *          val:         b0  1  0  1  0  1
547  *          dont_care:   b0  0  1  1  0  0
548  *          never_mtch:  b0  0  0  0  1  1
549  *          ------------------------------
550  * Result:  key:        b01 10 11 11 00 00
551  */
552 static enum ice_status
553 ice_gen_key_word(u8 val, u8 valid, u8 dont_care, u8 nvr_mtch, u8 *key,
554 		 u8 *key_inv)
555 {
556 	u8 in_key = *key, in_key_inv = *key_inv;
557 	u8 i;
558 
559 	/* 'dont_care' and 'nvr_mtch' masks cannot overlap */
560 	if ((dont_care ^ nvr_mtch) != (dont_care | nvr_mtch))
561 		return ICE_ERR_CFG;
562 
563 	*key = 0;
564 	*key_inv = 0;
565 
566 	/* encode the 8 bits into 8-bit key and 8-bit key invert */
567 	for (i = 0; i < 8; i++) {
568 		*key >>= 1;
569 		*key_inv >>= 1;
570 
571 		if (!(valid & 0x1)) { /* change only valid bits */
572 			*key |= (in_key & 0x1) << 7;
573 			*key_inv |= (in_key_inv & 0x1) << 7;
574 		} else if (dont_care & 0x1) { /* don't care bit */
575 			*key |= ICE_DC_KEY << 7;
576 			*key_inv |= ICE_DC_KEYINV << 7;
577 		} else if (nvr_mtch & 0x1) { /* never match bit */
578 			*key |= ICE_NM_KEY << 7;
579 			*key_inv |= ICE_NM_KEYINV << 7;
580 		} else if (val & 0x01) { /* exact 1 match */
581 			*key |= ICE_1_KEY << 7;
582 			*key_inv |= ICE_1_KEYINV << 7;
583 		} else { /* exact 0 match */
584 			*key |= ICE_0_KEY << 7;
585 			*key_inv |= ICE_0_KEYINV << 7;
586 		}
587 
588 		dont_care >>= 1;
589 		nvr_mtch >>= 1;
590 		valid >>= 1;
591 		val >>= 1;
592 		in_key >>= 1;
593 		in_key_inv >>= 1;
594 	}
595 
596 	return ICE_SUCCESS;
597 }
598 
599 /**
600  * ice_bits_max_set - determine if the number of bits set is within a maximum
601  * @mask: pointer to the byte array which is the mask
602  * @size: the number of bytes in the mask
603  * @max: the max number of set bits
604  *
605  * This function determines if there are at most 'max' number of bits set in an
606  * array. Returns true if the number for bits set is <= max or will return false
607  * otherwise.
608  */
609 static bool ice_bits_max_set(const u8 *mask, u16 size, u16 max)
610 {
611 	u16 count = 0;
612 	u16 i, j;
613 
614 	/* check each byte */
615 	for (i = 0; i < size; i++) {
616 		/* if 0, go to next byte */
617 		if (!mask[i])
618 			continue;
619 
620 		/* We know there is at least one set bit in this byte because of
621 		 * the above check; if we already have found 'max' number of
622 		 * bits set, then we can return failure now.
623 		 */
624 		if (count == max)
625 			return false;
626 
627 		/* count the bits in this byte, checking threshold */
628 		for (j = 0; j < BITS_PER_BYTE; j++) {
629 			count += (mask[i] & (0x1 << j)) ? 1 : 0;
630 			if (count > max)
631 				return false;
632 		}
633 	}
634 
635 	return true;
636 }
637 
638 /**
639  * ice_set_key - generate a variable sized key with multiples of 16-bits
640  * @key: pointer to where the key will be stored
641  * @size: the size of the complete key in bytes (must be even)
642  * @val: array of 8-bit values that makes up the value portion of the key
643  * @upd: array of 8-bit masks that determine what key portion to update
644  * @dc: array of 8-bit masks that make up the don't care mask
645  * @nm: array of 8-bit masks that make up the never match mask
646  * @off: the offset of the first byte in the key to update
647  * @len: the number of bytes in the key update
648  *
649  * This function generates a key from a value, a don't care mask and a never
650  * match mask.
651  * upd, dc, and nm are optional parameters, and can be NULL:
652  *	upd == NULL --> udp mask is all 1's (update all bits)
653  *	dc == NULL --> dc mask is all 0's (no don't care bits)
654  *	nm == NULL --> nm mask is all 0's (no never match bits)
655  */
656 enum ice_status
657 ice_set_key(u8 *key, u16 size, u8 *val, u8 *upd, u8 *dc, u8 *nm, u16 off,
658 	    u16 len)
659 {
660 	u16 half_size;
661 	u16 i;
662 
663 	/* size must be a multiple of 2 bytes. */
664 	if (size % 2)
665 		return ICE_ERR_CFG;
666 	half_size = size / 2;
667 
668 	if (off + len > half_size)
669 		return ICE_ERR_CFG;
670 
671 	/* Make sure at most one bit is set in the never match mask. Having more
672 	 * than one never match mask bit set will cause HW to consume excessive
673 	 * power otherwise; this is a power management efficiency check.
674 	 */
675 #define ICE_NVR_MTCH_BITS_MAX	1
676 	if (nm && !ice_bits_max_set(nm, len, ICE_NVR_MTCH_BITS_MAX))
677 		return ICE_ERR_CFG;
678 
679 	for (i = 0; i < len; i++)
680 		if (ice_gen_key_word(val[i], upd ? upd[i] : 0xff,
681 				     dc ? dc[i] : 0, nm ? nm[i] : 0,
682 				     key + off + i, key + half_size + off + i))
683 			return ICE_ERR_CFG;
684 
685 	return ICE_SUCCESS;
686 }
687 
688 /**
689  * ice_acquire_global_cfg_lock
690  * @hw: pointer to the HW structure
691  * @access: access type (read or write)
692  *
693  * This function will request ownership of the global config lock for reading
694  * or writing of the package. When attempting to obtain write access, the
695  * caller must check for the following two return values:
696  *
697  * ICE_SUCCESS        - Means the caller has acquired the global config lock
698  *                      and can perform writing of the package.
699  * ICE_ERR_AQ_NO_WORK - Indicates another driver has already written the
700  *                      package or has found that no update was necessary; in
701  *                      this case, the caller can just skip performing any
702  *                      update of the package.
703  */
704 static enum ice_status
705 ice_acquire_global_cfg_lock(struct ice_hw *hw,
706 			    enum ice_aq_res_access_type access)
707 {
708 	enum ice_status status;
709 
710 	ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
711 
712 	status = ice_acquire_res(hw, ICE_GLOBAL_CFG_LOCK_RES_ID, access,
713 				 ICE_GLOBAL_CFG_LOCK_TIMEOUT);
714 
715 	if (status == ICE_ERR_AQ_NO_WORK)
716 		ice_debug(hw, ICE_DBG_PKG,
717 			  "Global config lock: No work to do\n");
718 
719 	return status;
720 }
721 
722 /**
723  * ice_release_global_cfg_lock
724  * @hw: pointer to the HW structure
725  *
726  * This function will release the global config lock.
727  */
728 static void ice_release_global_cfg_lock(struct ice_hw *hw)
729 {
730 	ice_release_res(hw, ICE_GLOBAL_CFG_LOCK_RES_ID);
731 }
732 
733 /**
734  * ice_acquire_change_lock
735  * @hw: pointer to the HW structure
736  * @access: access type (read or write)
737  *
738  * This function will request ownership of the change lock.
739  */
740 enum ice_status
741 ice_acquire_change_lock(struct ice_hw *hw, enum ice_aq_res_access_type access)
742 {
743 	ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
744 
745 	return ice_acquire_res(hw, ICE_CHANGE_LOCK_RES_ID, access,
746 			       ICE_CHANGE_LOCK_TIMEOUT);
747 }
748 
749 /**
750  * ice_release_change_lock
751  * @hw: pointer to the HW structure
752  *
753  * This function will release the change lock using the proper Admin Command.
754  */
755 void ice_release_change_lock(struct ice_hw *hw)
756 {
757 	ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
758 
759 	ice_release_res(hw, ICE_CHANGE_LOCK_RES_ID);
760 }
761 
762 /**
763  * ice_aq_download_pkg
764  * @hw: pointer to the hardware structure
765  * @pkg_buf: the package buffer to transfer
766  * @buf_size: the size of the package buffer
767  * @last_buf: last buffer indicator
768  * @error_offset: returns error offset
769  * @error_info: returns error information
770  * @cd: pointer to command details structure or NULL
771  *
772  * Download Package (0x0C40)
773  */
774 static enum ice_status
775 ice_aq_download_pkg(struct ice_hw *hw, struct ice_buf_hdr *pkg_buf,
776 		    u16 buf_size, bool last_buf, u32 *error_offset,
777 		    u32 *error_info, struct ice_sq_cd *cd)
778 {
779 	struct ice_aqc_download_pkg *cmd;
780 	struct ice_aq_desc desc;
781 	enum ice_status status;
782 
783 	ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
784 
785 	if (error_offset)
786 		*error_offset = 0;
787 	if (error_info)
788 		*error_info = 0;
789 
790 	cmd = &desc.params.download_pkg;
791 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_download_pkg);
792 	desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
793 
794 	if (last_buf)
795 		cmd->flags |= ICE_AQC_DOWNLOAD_PKG_LAST_BUF;
796 
797 	status = ice_aq_send_cmd(hw, &desc, pkg_buf, buf_size, cd);
798 	if (status == ICE_ERR_AQ_ERROR) {
799 		/* Read error from buffer only when the FW returned an error */
800 		struct ice_aqc_download_pkg_resp *resp;
801 
802 		resp = (struct ice_aqc_download_pkg_resp *)pkg_buf;
803 		if (error_offset)
804 			*error_offset = LE32_TO_CPU(resp->error_offset);
805 		if (error_info)
806 			*error_info = LE32_TO_CPU(resp->error_info);
807 	}
808 
809 	return status;
810 }
811 
812 /**
813  * ice_aq_update_pkg
814  * @hw: pointer to the hardware structure
815  * @pkg_buf: the package cmd buffer
816  * @buf_size: the size of the package cmd buffer
817  * @last_buf: last buffer indicator
818  * @error_offset: returns error offset
819  * @error_info: returns error information
820  * @cd: pointer to command details structure or NULL
821  *
822  * Update Package (0x0C42)
823  */
824 static enum ice_status
825 ice_aq_update_pkg(struct ice_hw *hw, struct ice_buf_hdr *pkg_buf, u16 buf_size,
826 		  bool last_buf, u32 *error_offset, u32 *error_info,
827 		  struct ice_sq_cd *cd)
828 {
829 	struct ice_aqc_download_pkg *cmd;
830 	struct ice_aq_desc desc;
831 	enum ice_status status;
832 
833 	ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
834 
835 	if (error_offset)
836 		*error_offset = 0;
837 	if (error_info)
838 		*error_info = 0;
839 
840 	cmd = &desc.params.download_pkg;
841 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_update_pkg);
842 	desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
843 
844 	if (last_buf)
845 		cmd->flags |= ICE_AQC_DOWNLOAD_PKG_LAST_BUF;
846 
847 	status = ice_aq_send_cmd(hw, &desc, pkg_buf, buf_size, cd);
848 	if (status == ICE_ERR_AQ_ERROR) {
849 		/* Read error from buffer only when the FW returned an error */
850 		struct ice_aqc_download_pkg_resp *resp;
851 
852 		resp = (struct ice_aqc_download_pkg_resp *)pkg_buf;
853 		if (error_offset)
854 			*error_offset = LE32_TO_CPU(resp->error_offset);
855 		if (error_info)
856 			*error_info = LE32_TO_CPU(resp->error_info);
857 	}
858 
859 	return status;
860 }
861 
862 /**
863  * ice_find_seg_in_pkg
864  * @hw: pointer to the hardware structure
865  * @seg_type: the segment type to search for (i.e., SEGMENT_TYPE_CPK)
866  * @pkg_hdr: pointer to the package header to be searched
867  *
868  * This function searches a package file for a particular segment type. On
869  * success it returns a pointer to the segment header, otherwise it will
870  * return NULL.
871  */
872 static struct ice_generic_seg_hdr *
873 ice_find_seg_in_pkg(struct ice_hw *hw, u32 seg_type,
874 		    struct ice_pkg_hdr *pkg_hdr)
875 {
876 	u32 i;
877 
878 	ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
879 	ice_debug(hw, ICE_DBG_PKG, "Package format version: %d.%d.%d.%d\n",
880 		  pkg_hdr->format_ver.major, pkg_hdr->format_ver.minor,
881 		  pkg_hdr->format_ver.update, pkg_hdr->format_ver.draft);
882 
883 	/* Search all package segments for the requested segment type */
884 	for (i = 0; i < LE32_TO_CPU(pkg_hdr->seg_count); i++) {
885 		struct ice_generic_seg_hdr *seg;
886 
887 		seg = (struct ice_generic_seg_hdr *)
888 			((u8 *)pkg_hdr + LE32_TO_CPU(pkg_hdr->seg_offset[i]));
889 
890 		if (LE32_TO_CPU(seg->seg_type) == seg_type)
891 			return seg;
892 	}
893 
894 	return NULL;
895 }
896 
897 /**
898  * ice_update_pkg
899  * @hw: pointer to the hardware structure
900  * @bufs: pointer to an array of buffers
901  * @count: the number of buffers in the array
902  *
903  * Obtains change lock and updates package.
904  */
905 enum ice_status
906 ice_update_pkg(struct ice_hw *hw, struct ice_buf *bufs, u32 count)
907 {
908 	enum ice_status status;
909 	u32 offset, info, i;
910 
911 	status = ice_acquire_change_lock(hw, ICE_RES_WRITE);
912 	if (status)
913 		return status;
914 
915 	for (i = 0; i < count; i++) {
916 		bool last = ((i + 1) == count);
917 
918 		struct ice_buf_hdr *bh = (struct ice_buf_hdr *)(bufs + i);
919 
920 		status = ice_aq_update_pkg(hw, bh, LE16_TO_CPU(bh->data_end),
921 					   last, &offset, &info, NULL);
922 
923 		if (status) {
924 			ice_debug(hw, ICE_DBG_PKG,
925 				  "Update pkg failed: err %d off %d inf %d\n",
926 				  status, offset, info);
927 			break;
928 		}
929 	}
930 
931 	ice_release_change_lock(hw);
932 
933 	return status;
934 }
935 
936 /**
937  * ice_dwnld_cfg_bufs
938  * @hw: pointer to the hardware structure
939  * @bufs: pointer to an array of buffers
940  * @count: the number of buffers in the array
941  *
942  * Obtains global config lock and downloads the package configuration buffers
943  * to the firmware. Metadata buffers are skipped, and the first metadata buffer
944  * found indicates that the rest of the buffers are all metadata buffers.
945  */
946 static enum ice_status
947 ice_dwnld_cfg_bufs(struct ice_hw *hw, struct ice_buf *bufs, u32 count)
948 {
949 	enum ice_status status;
950 	struct ice_buf_hdr *bh;
951 	u32 offset, info, i;
952 
953 	if (!bufs || !count)
954 		return ICE_ERR_PARAM;
955 
956 	/* If the first buffer's first section has its metadata bit set
957 	 * then there are no buffers to be downloaded, and the operation is
958 	 * considered a success.
959 	 */
960 	bh = (struct ice_buf_hdr *)bufs;
961 	if (LE32_TO_CPU(bh->section_entry[0].type) & ICE_METADATA_BUF)
962 		return ICE_SUCCESS;
963 
964 	/* reset pkg_dwnld_status in case this function is called in the
965 	 * reset/rebuild flow
966 	 */
967 	hw->pkg_dwnld_status = ICE_AQ_RC_OK;
968 
969 	status = ice_acquire_global_cfg_lock(hw, ICE_RES_WRITE);
970 	if (status) {
971 		if (status == ICE_ERR_AQ_NO_WORK)
972 			hw->pkg_dwnld_status = ICE_AQ_RC_EEXIST;
973 		else
974 			hw->pkg_dwnld_status = hw->adminq.sq_last_status;
975 		return status;
976 	}
977 
978 	for (i = 0; i < count; i++) {
979 		bool last = ((i + 1) == count);
980 
981 		if (!last) {
982 			/* check next buffer for metadata flag */
983 			bh = (struct ice_buf_hdr *)(bufs + i + 1);
984 
985 			/* A set metadata flag in the next buffer will signal
986 			 * that the current buffer will be the last buffer
987 			 * downloaded
988 			 */
989 			if (LE16_TO_CPU(bh->section_count))
990 				if (LE32_TO_CPU(bh->section_entry[0].type) &
991 				    ICE_METADATA_BUF)
992 					last = true;
993 		}
994 
995 		bh = (struct ice_buf_hdr *)(bufs + i);
996 
997 		status = ice_aq_download_pkg(hw, bh, ICE_PKG_BUF_SIZE, last,
998 					     &offset, &info, NULL);
999 
1000 		/* Save AQ status from download package */
1001 		hw->pkg_dwnld_status = hw->adminq.sq_last_status;
1002 		if (status) {
1003 			ice_debug(hw, ICE_DBG_PKG,
1004 				  "Pkg download failed: err %d off %d inf %d\n",
1005 				  status, offset, info);
1006 			break;
1007 		}
1008 
1009 		if (last)
1010 			break;
1011 	}
1012 
1013 	ice_release_global_cfg_lock(hw);
1014 
1015 	return status;
1016 }
1017 
1018 /**
1019  * ice_aq_get_pkg_info_list
1020  * @hw: pointer to the hardware structure
1021  * @pkg_info: the buffer which will receive the information list
1022  * @buf_size: the size of the pkg_info information buffer
1023  * @cd: pointer to command details structure or NULL
1024  *
1025  * Get Package Info List (0x0C43)
1026  */
1027 static enum ice_status
1028 ice_aq_get_pkg_info_list(struct ice_hw *hw,
1029 			 struct ice_aqc_get_pkg_info_resp *pkg_info,
1030 			 u16 buf_size, struct ice_sq_cd *cd)
1031 {
1032 	struct ice_aq_desc desc;
1033 
1034 	ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
1035 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_pkg_info_list);
1036 
1037 	return ice_aq_send_cmd(hw, &desc, pkg_info, buf_size, cd);
1038 }
1039 
1040 /**
1041  * ice_download_pkg
1042  * @hw: pointer to the hardware structure
1043  * @ice_seg: pointer to the segment of the package to be downloaded
1044  *
1045  * Handles the download of a complete package.
1046  */
1047 static enum ice_status
1048 ice_download_pkg(struct ice_hw *hw, struct ice_seg *ice_seg)
1049 {
1050 	struct ice_buf_table *ice_buf_tbl;
1051 
1052 	ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
1053 	ice_debug(hw, ICE_DBG_PKG, "Segment version: %d.%d.%d.%d\n",
1054 		  ice_seg->hdr.seg_ver.major, ice_seg->hdr.seg_ver.minor,
1055 		  ice_seg->hdr.seg_ver.update, ice_seg->hdr.seg_ver.draft);
1056 
1057 	ice_debug(hw, ICE_DBG_PKG, "Seg: type 0x%X, size %d, name %s\n",
1058 		  LE32_TO_CPU(ice_seg->hdr.seg_type),
1059 		  LE32_TO_CPU(ice_seg->hdr.seg_size), ice_seg->hdr.seg_name);
1060 
1061 	ice_buf_tbl = ice_find_buf_table(ice_seg);
1062 
1063 	ice_debug(hw, ICE_DBG_PKG, "Seg buf count: %d\n",
1064 		  LE32_TO_CPU(ice_buf_tbl->buf_count));
1065 
1066 	return ice_dwnld_cfg_bufs(hw, ice_buf_tbl->buf_array,
1067 				  LE32_TO_CPU(ice_buf_tbl->buf_count));
1068 }
1069 
1070 /**
1071  * ice_init_pkg_info
1072  * @hw: pointer to the hardware structure
1073  * @pkg_hdr: pointer to the driver's package hdr
1074  *
1075  * Saves off the package details into the HW structure.
1076  */
1077 static enum ice_status
1078 ice_init_pkg_info(struct ice_hw *hw, struct ice_pkg_hdr *pkg_hdr)
1079 {
1080 	struct ice_global_metadata_seg *meta_seg;
1081 	struct ice_generic_seg_hdr *seg_hdr;
1082 
1083 	ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
1084 	if (!pkg_hdr)
1085 		return ICE_ERR_PARAM;
1086 
1087 	meta_seg = (struct ice_global_metadata_seg *)
1088 		   ice_find_seg_in_pkg(hw, SEGMENT_TYPE_METADATA, pkg_hdr);
1089 	if (meta_seg) {
1090 		hw->pkg_ver = meta_seg->pkg_ver;
1091 		ice_memcpy(hw->pkg_name, meta_seg->pkg_name,
1092 			   sizeof(hw->pkg_name), ICE_NONDMA_TO_NONDMA);
1093 
1094 		ice_debug(hw, ICE_DBG_PKG, "Pkg: %d.%d.%d.%d, %s\n",
1095 			  meta_seg->pkg_ver.major, meta_seg->pkg_ver.minor,
1096 			  meta_seg->pkg_ver.update, meta_seg->pkg_ver.draft,
1097 			  meta_seg->pkg_name);
1098 	} else {
1099 		ice_debug(hw, ICE_DBG_INIT,
1100 			  "Did not find metadata segment in driver package\n");
1101 		return ICE_ERR_CFG;
1102 	}
1103 
1104 	seg_hdr = ice_find_seg_in_pkg(hw, SEGMENT_TYPE_ICE, pkg_hdr);
1105 	if (seg_hdr) {
1106 		hw->ice_pkg_ver = seg_hdr->seg_ver;
1107 		ice_memcpy(hw->ice_pkg_name, seg_hdr->seg_name,
1108 			   sizeof(hw->ice_pkg_name), ICE_NONDMA_TO_NONDMA);
1109 
1110 		ice_debug(hw, ICE_DBG_PKG, "Ice Pkg: %d.%d.%d.%d, %s\n",
1111 			  seg_hdr->seg_ver.major, seg_hdr->seg_ver.minor,
1112 			  seg_hdr->seg_ver.update, seg_hdr->seg_ver.draft,
1113 			  seg_hdr->seg_name);
1114 	} else {
1115 		ice_debug(hw, ICE_DBG_INIT,
1116 			  "Did not find ice segment in driver package\n");
1117 		return ICE_ERR_CFG;
1118 	}
1119 
1120 	return ICE_SUCCESS;
1121 }
1122 
1123 /**
1124  * ice_get_pkg_info
1125  * @hw: pointer to the hardware structure
1126  *
1127  * Store details of the package currently loaded in HW into the HW structure.
1128  */
1129 static enum ice_status ice_get_pkg_info(struct ice_hw *hw)
1130 {
1131 	struct ice_aqc_get_pkg_info_resp *pkg_info;
1132 	enum ice_status status;
1133 	u16 size;
1134 	u32 i;
1135 
1136 	ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
1137 
1138 	size = sizeof(*pkg_info) + (sizeof(pkg_info->pkg_info[0]) *
1139 				    (ICE_PKG_CNT - 1));
1140 	pkg_info = (struct ice_aqc_get_pkg_info_resp *)ice_malloc(hw, size);
1141 	if (!pkg_info)
1142 		return ICE_ERR_NO_MEMORY;
1143 
1144 	status = ice_aq_get_pkg_info_list(hw, pkg_info, size, NULL);
1145 	if (status)
1146 		goto init_pkg_free_alloc;
1147 
1148 	for (i = 0; i < LE32_TO_CPU(pkg_info->count); i++) {
1149 #define ICE_PKG_FLAG_COUNT	4
1150 		char flags[ICE_PKG_FLAG_COUNT + 1] = { 0 };
1151 		u8 place = 0;
1152 
1153 		if (pkg_info->pkg_info[i].is_active) {
1154 			flags[place++] = 'A';
1155 			hw->active_pkg_ver = pkg_info->pkg_info[i].ver;
1156 			ice_memcpy(hw->active_pkg_name,
1157 				   pkg_info->pkg_info[i].name,
1158 				   sizeof(hw->active_pkg_name),
1159 				   ICE_NONDMA_TO_NONDMA);
1160 			hw->active_pkg_in_nvm = pkg_info->pkg_info[i].is_in_nvm;
1161 		}
1162 		if (pkg_info->pkg_info[i].is_active_at_boot)
1163 			flags[place++] = 'B';
1164 		if (pkg_info->pkg_info[i].is_modified)
1165 			flags[place++] = 'M';
1166 		if (pkg_info->pkg_info[i].is_in_nvm)
1167 			flags[place++] = 'N';
1168 
1169 		ice_debug(hw, ICE_DBG_PKG, "Pkg[%d]: %d.%d.%d.%d,%s,%s\n",
1170 			  i, pkg_info->pkg_info[i].ver.major,
1171 			  pkg_info->pkg_info[i].ver.minor,
1172 			  pkg_info->pkg_info[i].ver.update,
1173 			  pkg_info->pkg_info[i].ver.draft,
1174 			  pkg_info->pkg_info[i].name, flags);
1175 	}
1176 
1177 init_pkg_free_alloc:
1178 	ice_free(hw, pkg_info);
1179 
1180 	return status;
1181 }
1182 
1183 /**
1184  * ice_verify_pkg - verify package
1185  * @pkg: pointer to the package buffer
1186  * @len: size of the package buffer
1187  *
1188  * Verifies various attributes of the package file, including length, format
1189  * version, and the requirement of at least one segment.
1190  */
1191 static enum ice_status ice_verify_pkg(struct ice_pkg_hdr *pkg, u32 len)
1192 {
1193 	u32 seg_count;
1194 	u32 i;
1195 
1196 	if (len < sizeof(*pkg))
1197 		return ICE_ERR_BUF_TOO_SHORT;
1198 
1199 	if (pkg->format_ver.major != ICE_PKG_FMT_VER_MAJ ||
1200 	    pkg->format_ver.minor != ICE_PKG_FMT_VER_MNR ||
1201 	    pkg->format_ver.update != ICE_PKG_FMT_VER_UPD ||
1202 	    pkg->format_ver.draft != ICE_PKG_FMT_VER_DFT)
1203 		return ICE_ERR_CFG;
1204 
1205 	/* pkg must have at least one segment */
1206 	seg_count = LE32_TO_CPU(pkg->seg_count);
1207 	if (seg_count < 1)
1208 		return ICE_ERR_CFG;
1209 
1210 	/* make sure segment array fits in package length */
1211 	if (len < sizeof(*pkg) + ((seg_count - 1) * sizeof(pkg->seg_offset)))
1212 		return ICE_ERR_BUF_TOO_SHORT;
1213 
1214 	/* all segments must fit within length */
1215 	for (i = 0; i < seg_count; i++) {
1216 		u32 off = LE32_TO_CPU(pkg->seg_offset[i]);
1217 		struct ice_generic_seg_hdr *seg;
1218 
1219 		/* segment header must fit */
1220 		if (len < off + sizeof(*seg))
1221 			return ICE_ERR_BUF_TOO_SHORT;
1222 
1223 		seg = (struct ice_generic_seg_hdr *)((u8 *)pkg + off);
1224 
1225 		/* segment body must fit */
1226 		if (len < off + LE32_TO_CPU(seg->seg_size))
1227 			return ICE_ERR_BUF_TOO_SHORT;
1228 	}
1229 
1230 	return ICE_SUCCESS;
1231 }
1232 
1233 /**
1234  * ice_free_seg - free package segment pointer
1235  * @hw: pointer to the hardware structure
1236  *
1237  * Frees the package segment pointer in the proper manner, depending on if the
1238  * segment was allocated or just the passed in pointer was stored.
1239  */
1240 void ice_free_seg(struct ice_hw *hw)
1241 {
1242 	if (hw->pkg_copy) {
1243 		ice_free(hw, hw->pkg_copy);
1244 		hw->pkg_copy = NULL;
1245 		hw->pkg_size = 0;
1246 	}
1247 	hw->seg = NULL;
1248 }
1249 
1250 /**
1251  * ice_init_fd_mask_regs - initialize Flow Director mask registers
1252  * @hw: pointer to the HW struct
1253  *
1254  * This function sets up the Flow Director mask registers to allow for complete
1255  * masking off of any of the 24 Field Vector words. After this call, mask 0 will
1256  * mask off all of FV index 0, mask 1 will mask off all of FV index 1, etc.
1257  */
1258 static void ice_init_fd_mask_regs(struct ice_hw *hw)
1259 {
1260 	u16 i;
1261 
1262 	for (i = 0; i < hw->blk[ICE_BLK_FD].es.fvw; i++) {
1263 		wr32(hw, GLQF_FDMASK(i), i);
1264 		ice_debug(hw, ICE_DBG_INIT, "init fd mask(%d): %x = %x\n", i,
1265 			  GLQF_FDMASK(i), i);
1266 	}
1267 }
1268 
1269 /**
1270  * ice_init_pkg_regs - initialize additional package registers
1271  * @hw: pointer to the hardware structure
1272  */
1273 static void ice_init_pkg_regs(struct ice_hw *hw)
1274 {
1275 #define ICE_SW_BLK_INP_MASK_L 0xFFFFFFFF
1276 #define ICE_SW_BLK_INP_MASK_H 0x0000FFFF
1277 #define ICE_SW_BLK_IDX	0
1278 
1279 	/* setup Switch block input mask, which is 48-bits in two parts */
1280 	wr32(hw, GL_PREEXT_L2_PMASK0(ICE_SW_BLK_IDX), ICE_SW_BLK_INP_MASK_L);
1281 	wr32(hw, GL_PREEXT_L2_PMASK1(ICE_SW_BLK_IDX), ICE_SW_BLK_INP_MASK_H);
1282 	/* setup default flow director masks */
1283 	ice_init_fd_mask_regs(hw);
1284 }
1285 
1286 /**
1287  * ice_chk_pkg_version - check package version for compatibility with driver
1288  * @pkg_ver: pointer to a version structure to check
1289  *
1290  * Check to make sure that the package about to be downloaded is compatible with
1291  * the driver. To be compatible, the major and minor components of the package
1292  * version must match our ICE_PKG_SUPP_VER_MAJ and ICE_PKG_SUPP_VER_MNR
1293  * definitions.
1294  */
1295 static enum ice_status ice_chk_pkg_version(struct ice_pkg_ver *pkg_ver)
1296 {
1297 	if (pkg_ver->major != ICE_PKG_SUPP_VER_MAJ ||
1298 	    pkg_ver->minor != ICE_PKG_SUPP_VER_MNR)
1299 		return ICE_ERR_NOT_SUPPORTED;
1300 
1301 	return ICE_SUCCESS;
1302 }
1303 
1304 /**
1305  * ice_init_pkg - initialize/download package
1306  * @hw: pointer to the hardware structure
1307  * @buf: pointer to the package buffer
1308  * @len: size of the package buffer
1309  *
1310  * This function initializes a package. The package contains HW tables
1311  * required to do packet processing. First, the function extracts package
1312  * information such as version. Then it finds the ice configuration segment
1313  * within the package; this function then saves a copy of the segment pointer
1314  * within the supplied package buffer. Next, the function will cache any hints
1315  * from the package, followed by downloading the package itself. Note, that if
1316  * a previous PF driver has already downloaded the package successfully, then
1317  * the current driver will not have to download the package again.
1318  *
1319  * The local package contents will be used to query default behavior and to
1320  * update specific sections of the HW's version of the package (e.g. to update
1321  * the parse graph to understand new protocols).
1322  *
1323  * This function stores a pointer to the package buffer memory, and it is
1324  * expected that the supplied buffer will not be freed immediately. If the
1325  * package buffer needs to be freed, such as when read from a file, use
1326  * ice_copy_and_init_pkg() instead of directly calling ice_init_pkg() in this
1327  * case.
1328  */
1329 enum ice_status ice_init_pkg(struct ice_hw *hw, u8 *buf, u32 len)
1330 {
1331 	struct ice_pkg_hdr *pkg;
1332 	enum ice_status status;
1333 	struct ice_seg *seg;
1334 
1335 	if (!buf || !len)
1336 		return ICE_ERR_PARAM;
1337 
1338 	pkg = (struct ice_pkg_hdr *)buf;
1339 	status = ice_verify_pkg(pkg, len);
1340 	if (status) {
1341 		ice_debug(hw, ICE_DBG_INIT, "failed to verify pkg (err: %d)\n",
1342 			  status);
1343 		return status;
1344 	}
1345 
1346 	/* initialize package info */
1347 	status = ice_init_pkg_info(hw, pkg);
1348 	if (status)
1349 		return status;
1350 
1351 	/* before downloading the package, check package version for
1352 	 * compatibility with driver
1353 	 */
1354 	status = ice_chk_pkg_version(&hw->pkg_ver);
1355 	if (status)
1356 		return status;
1357 
1358 	/* find segment in given package */
1359 	seg = (struct ice_seg *)ice_find_seg_in_pkg(hw, SEGMENT_TYPE_ICE, pkg);
1360 	if (!seg) {
1361 		ice_debug(hw, ICE_DBG_INIT, "no ice segment in package.\n");
1362 		return ICE_ERR_CFG;
1363 	}
1364 
1365 	/* initialize package hints and then download package */
1366 	ice_init_pkg_hints(hw, seg);
1367 	status = ice_download_pkg(hw, seg);
1368 	if (status == ICE_ERR_AQ_NO_WORK) {
1369 		ice_debug(hw, ICE_DBG_INIT,
1370 			  "package previously loaded - no work.\n");
1371 		status = ICE_SUCCESS;
1372 	}
1373 
1374 	/* Get information on the package currently loaded in HW, then make sure
1375 	 * the driver is compatible with this version.
1376 	 */
1377 	if (!status) {
1378 		status = ice_get_pkg_info(hw);
1379 		if (!status)
1380 			status = ice_chk_pkg_version(&hw->active_pkg_ver);
1381 	}
1382 
1383 	if (!status) {
1384 		hw->seg = seg;
1385 		/* on successful package download update other required
1386 		 * registers to support the package and fill HW tables
1387 		 * with package content.
1388 		 */
1389 		ice_init_pkg_regs(hw);
1390 		ice_fill_blk_tbls(hw);
1391 	} else {
1392 		ice_debug(hw, ICE_DBG_INIT, "package load failed, %d\n",
1393 			  status);
1394 	}
1395 
1396 	return status;
1397 }
1398 
1399 /**
1400  * ice_copy_and_init_pkg - initialize/download a copy of the package
1401  * @hw: pointer to the hardware structure
1402  * @buf: pointer to the package buffer
1403  * @len: size of the package buffer
1404  *
1405  * This function copies the package buffer, and then calls ice_init_pkg() to
1406  * initialize the copied package contents.
1407  *
1408  * The copying is necessary if the package buffer supplied is constant, or if
1409  * the memory may disappear shortly after calling this function.
1410  *
1411  * If the package buffer resides in the data segment and can be modified, the
1412  * caller is free to use ice_init_pkg() instead of ice_copy_and_init_pkg().
1413  *
1414  * However, if the package buffer needs to be copied first, such as when being
1415  * read from a file, the caller should use ice_copy_and_init_pkg().
1416  *
1417  * This function will first copy the package buffer, before calling
1418  * ice_init_pkg(). The caller is free to immediately destroy the original
1419  * package buffer, as the new copy will be managed by this function and
1420  * related routines.
1421  */
1422 enum ice_status ice_copy_and_init_pkg(struct ice_hw *hw, const u8 *buf, u32 len)
1423 {
1424 	enum ice_status status;
1425 	u8 *buf_copy;
1426 
1427 	if (!buf || !len)
1428 		return ICE_ERR_PARAM;
1429 
1430 	buf_copy = (u8 *)ice_memdup(hw, buf, len, ICE_NONDMA_TO_NONDMA);
1431 
1432 	status = ice_init_pkg(hw, buf_copy, len);
1433 	if (status) {
1434 		/* Free the copy, since we failed to initialize the package */
1435 		ice_free(hw, buf_copy);
1436 	} else {
1437 		/* Track the copied pkg so we can free it later */
1438 		hw->pkg_copy = buf_copy;
1439 		hw->pkg_size = len;
1440 	}
1441 
1442 	return status;
1443 }
1444 
1445 /**
1446  * ice_pkg_buf_alloc
1447  * @hw: pointer to the HW structure
1448  *
1449  * Allocates a package buffer and returns a pointer to the buffer header.
1450  * Note: all package contents must be in Little Endian form.
1451  */
1452 static struct ice_buf_build *ice_pkg_buf_alloc(struct ice_hw *hw)
1453 {
1454 	struct ice_buf_build *bld;
1455 	struct ice_buf_hdr *buf;
1456 
1457 	bld = (struct ice_buf_build *)ice_malloc(hw, sizeof(*bld));
1458 	if (!bld)
1459 		return NULL;
1460 
1461 	buf = (struct ice_buf_hdr *)bld;
1462 	buf->data_end = CPU_TO_LE16(sizeof(*buf) -
1463 				    sizeof(buf->section_entry[0]));
1464 	return bld;
1465 }
1466 
1467 /**
1468  * ice_sw_fv_handler
1469  * @sect_type: section type
1470  * @section: pointer to section
1471  * @index: index of the field vector entry to be returned
1472  * @offset: ptr to variable that receives the offset in the field vector table
1473  *
1474  * This is a callback function that can be passed to ice_pkg_enum_entry.
1475  * This function treats the given section as of type ice_sw_fv_section and
1476  * enumerates offset field. "offset" is an index into the field vector
1477  * vector table.
1478  */
1479 static void *
1480 ice_sw_fv_handler(u32 sect_type, void *section, u32 index, u32 *offset)
1481 {
1482 	struct ice_sw_fv_section *fv_section =
1483 		(struct ice_sw_fv_section *)section;
1484 
1485 	if (!section || sect_type != ICE_SID_FLD_VEC_SW)
1486 		return NULL;
1487 	if (index >= LE16_TO_CPU(fv_section->count))
1488 		return NULL;
1489 	if (offset)
1490 		/* "index" passed in to this function is relative to a given
1491 		 * 4k block. To get to the true index into the field vector
1492 		 * table need to add the relative index to the base_offset
1493 		 * field of this section
1494 		 */
1495 		*offset = LE16_TO_CPU(fv_section->base_offset) + index;
1496 	return fv_section->fv + index;
1497 }
1498 
1499 /**
1500  * ice_get_sw_prof_type - determine switch profile type
1501  * @hw: pointer to the HW structure
1502  * @fv: pointer to the switch field vector
1503  */
1504 static enum ice_prof_type
1505 ice_get_sw_prof_type(struct ice_hw *hw, struct ice_fv *fv)
1506 {
1507 	u16 i;
1508 
1509 	for (i = 0; i < hw->blk[ICE_BLK_SW].es.fvw; i++) {
1510 		/* UDP tunnel will have UDP_OF protocol ID and VNI offset */
1511 		if (fv->ew[i].prot_id == (u8)ICE_PROT_UDP_OF &&
1512 		    fv->ew[i].off == ICE_VNI_OFFSET)
1513 			return ICE_PROF_TUN_UDP;
1514 
1515 		/* GRE tunnel will have GRE protocol */
1516 		if (fv->ew[i].prot_id == (u8)ICE_PROT_GRE_OF)
1517 			return ICE_PROF_TUN_GRE;
1518 
1519 		/* PPPOE tunnel will have PPPOE protocol */
1520 		if (fv->ew[i].prot_id == (u8)ICE_PROT_PPPOE)
1521 			return ICE_PROF_TUN_PPPOE;
1522 	}
1523 
1524 	return ICE_PROF_NON_TUN;
1525 }
1526 
1527 /**
1528  * ice_get_sw_fv_bitmap - Get switch field vector bitmap based on profile type
1529  * @hw: pointer to hardware structure
1530  * @type: type of profiles requested
1531  * @bm: pointer to memory for returning the bitmap of field vectors
1532  */
1533 void
1534 ice_get_sw_fv_bitmap(struct ice_hw *hw, enum ice_prof_type type,
1535 		     ice_bitmap_t *bm)
1536 {
1537 	struct ice_pkg_enum state;
1538 	struct ice_seg *ice_seg;
1539 	struct ice_fv *fv;
1540 
1541 	if (type == ICE_PROF_ALL) {
1542 		u16 i;
1543 
1544 		for (i = 0; i < ICE_MAX_NUM_PROFILES; i++)
1545 			ice_set_bit(i, bm);
1546 		return;
1547 	}
1548 
1549 	ice_zero_bitmap(bm, ICE_MAX_NUM_PROFILES);
1550 
1551 	ice_seg = hw->seg;
1552 	do {
1553 		enum ice_prof_type prof_type;
1554 		u32 offset;
1555 
1556 		fv = (struct ice_fv *)
1557 			ice_pkg_enum_entry(ice_seg, &state, ICE_SID_FLD_VEC_SW,
1558 					   &offset, ice_sw_fv_handler);
1559 		ice_seg = NULL;
1560 
1561 		if (fv) {
1562 			/* Determine field vector type */
1563 			prof_type = ice_get_sw_prof_type(hw, fv);
1564 
1565 			if (type & prof_type)
1566 				ice_set_bit((u16)offset, bm);
1567 		}
1568 	} while (fv);
1569 }
1570 
1571 /**
1572  * ice_get_sw_fv_list
1573  * @hw: pointer to the HW structure
1574  * @prot_ids: field vector to search for with a given protocol ID
1575  * @ids_cnt: lookup/protocol count
1576  * @bm: bitmap of field vectors to consider
1577  * @fv_list: Head of a list
1578  *
1579  * Finds all the field vector entries from switch block that contain
1580  * a given protocol ID and returns a list of structures of type
1581  * "ice_sw_fv_list_entry". Every structure in the list has a field vector
1582  * definition and profile ID information
1583  * NOTE: The caller of the function is responsible for freeing the memory
1584  * allocated for every list entry.
1585  */
1586 enum ice_status
1587 ice_get_sw_fv_list(struct ice_hw *hw, u16 *prot_ids, u8 ids_cnt,
1588 		   ice_bitmap_t *bm, struct LIST_HEAD_TYPE *fv_list)
1589 {
1590 	struct ice_sw_fv_list_entry *fvl;
1591 	struct ice_sw_fv_list_entry *tmp;
1592 	struct ice_pkg_enum state;
1593 	struct ice_seg *ice_seg;
1594 	struct ice_fv *fv;
1595 	u32 offset;
1596 
1597 	if (!ids_cnt || !hw->seg)
1598 		return ICE_ERR_PARAM;
1599 
1600 	ice_seg = hw->seg;
1601 	do {
1602 		u8 i;
1603 
1604 		fv = (struct ice_fv *)
1605 			ice_pkg_enum_entry(ice_seg, &state, ICE_SID_FLD_VEC_SW,
1606 					   &offset, ice_sw_fv_handler);
1607 		if (!fv)
1608 			break;
1609 		ice_seg = NULL;
1610 
1611 		/* If field vector is not in the bitmap list, then skip this
1612 		 * profile.
1613 		 */
1614 		if (!ice_is_bit_set(bm, (u16)offset))
1615 			continue;
1616 
1617 		for (i = 0; i < ids_cnt; i++) {
1618 			int j;
1619 
1620 			/* This code assumes that if a switch field vector line
1621 			 * has a matching protocol, then this line will contain
1622 			 * the entries necessary to represent every field in
1623 			 * that protocol header.
1624 			 */
1625 			for (j = 0; j < hw->blk[ICE_BLK_SW].es.fvw; j++)
1626 				if (fv->ew[j].prot_id == prot_ids[i])
1627 					break;
1628 			if (j >= hw->blk[ICE_BLK_SW].es.fvw)
1629 				break;
1630 			if (i + 1 == ids_cnt) {
1631 				fvl = (struct ice_sw_fv_list_entry *)
1632 					ice_malloc(hw, sizeof(*fvl));
1633 				if (!fvl)
1634 					goto err;
1635 				fvl->fv_ptr = fv;
1636 				fvl->profile_id = offset;
1637 				LIST_ADD(&fvl->list_entry, fv_list);
1638 				break;
1639 			}
1640 		}
1641 	} while (fv);
1642 	if (LIST_EMPTY(fv_list))
1643 		return ICE_ERR_CFG;
1644 	return ICE_SUCCESS;
1645 
1646 err:
1647 	LIST_FOR_EACH_ENTRY_SAFE(fvl, tmp, fv_list, ice_sw_fv_list_entry,
1648 				 list_entry) {
1649 		LIST_DEL(&fvl->list_entry);
1650 		ice_free(hw, fvl);
1651 	}
1652 
1653 	return ICE_ERR_NO_MEMORY;
1654 }
1655 
1656 /**
1657  * ice_init_profile_to_result_bm - Initialize the profile result index bitmap
1658  * @hw: pointer to hardware structure
1659  */
1660 void
1661 ice_init_prof_result_bm(struct ice_hw *hw)
1662 {
1663 	struct ice_pkg_enum state;
1664 	struct ice_seg *ice_seg;
1665 	struct ice_fv *fv;
1666 
1667 	if (!hw->seg)
1668 		return;
1669 
1670 	ice_seg = hw->seg;
1671 	do {
1672 		u32 off;
1673 		u16 i;
1674 
1675 		fv = (struct ice_fv *)
1676 			ice_pkg_enum_entry(ice_seg, &state, ICE_SID_FLD_VEC_SW,
1677 					   &off, ice_sw_fv_handler);
1678 		ice_seg = NULL;
1679 		if (!fv)
1680 			break;
1681 
1682 		ice_zero_bitmap(hw->switch_info->prof_res_bm[off],
1683 				ICE_MAX_FV_WORDS);
1684 
1685 		/* Determine empty field vector indices, these can be
1686 		 * used for recipe results. Skip index 0, since it is
1687 		 * always used for Switch ID.
1688 		 */
1689 		for (i = 1; i < ICE_MAX_FV_WORDS; i++)
1690 			if (fv->ew[i].prot_id == ICE_PROT_INVALID &&
1691 			    fv->ew[i].off == ICE_FV_OFFSET_INVAL)
1692 				ice_set_bit(i,
1693 					    hw->switch_info->prof_res_bm[off]);
1694 	} while (fv);
1695 }
1696 
1697 /**
1698  * ice_pkg_buf_free
1699  * @hw: pointer to the HW structure
1700  * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
1701  *
1702  * Frees a package buffer
1703  */
1704 static void ice_pkg_buf_free(struct ice_hw *hw, struct ice_buf_build *bld)
1705 {
1706 	ice_free(hw, bld);
1707 }
1708 
1709 /**
1710  * ice_pkg_buf_reserve_section
1711  * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
1712  * @count: the number of sections to reserve
1713  *
1714  * Reserves one or more section table entries in a package buffer. This routine
1715  * can be called multiple times as long as they are made before calling
1716  * ice_pkg_buf_alloc_section(). Once ice_pkg_buf_alloc_section()
1717  * is called once, the number of sections that can be allocated will not be able
1718  * to be increased; not using all reserved sections is fine, but this will
1719  * result in some wasted space in the buffer.
1720  * Note: all package contents must be in Little Endian form.
1721  */
1722 static enum ice_status
1723 ice_pkg_buf_reserve_section(struct ice_buf_build *bld, u16 count)
1724 {
1725 	struct ice_buf_hdr *buf;
1726 	u16 section_count;
1727 	u16 data_end;
1728 
1729 	if (!bld)
1730 		return ICE_ERR_PARAM;
1731 
1732 	buf = (struct ice_buf_hdr *)&bld->buf;
1733 
1734 	/* already an active section, can't increase table size */
1735 	section_count = LE16_TO_CPU(buf->section_count);
1736 	if (section_count > 0)
1737 		return ICE_ERR_CFG;
1738 
1739 	if (bld->reserved_section_table_entries + count > ICE_MAX_S_COUNT)
1740 		return ICE_ERR_CFG;
1741 	bld->reserved_section_table_entries += count;
1742 
1743 	data_end = LE16_TO_CPU(buf->data_end) +
1744 		   (count * sizeof(buf->section_entry[0]));
1745 	buf->data_end = CPU_TO_LE16(data_end);
1746 
1747 	return ICE_SUCCESS;
1748 }
1749 
1750 /**
1751  * ice_pkg_buf_alloc_section
1752  * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
1753  * @type: the section type value
1754  * @size: the size of the section to reserve (in bytes)
1755  *
1756  * Reserves memory in the buffer for a section's content and updates the
1757  * buffers' status accordingly. This routine returns a pointer to the first
1758  * byte of the section start within the buffer, which is used to fill in the
1759  * section contents.
1760  * Note: all package contents must be in Little Endian form.
1761  */
1762 static void *
1763 ice_pkg_buf_alloc_section(struct ice_buf_build *bld, u32 type, u16 size)
1764 {
1765 	struct ice_buf_hdr *buf;
1766 	u16 sect_count;
1767 	u16 data_end;
1768 
1769 	if (!bld || !type || !size)
1770 		return NULL;
1771 
1772 	buf = (struct ice_buf_hdr *)&bld->buf;
1773 
1774 	/* check for enough space left in buffer */
1775 	data_end = LE16_TO_CPU(buf->data_end);
1776 
1777 	/* section start must align on 4 byte boundary */
1778 	data_end = ICE_ALIGN(data_end, 4);
1779 
1780 	if ((data_end + size) > ICE_MAX_S_DATA_END)
1781 		return NULL;
1782 
1783 	/* check for more available section table entries */
1784 	sect_count = LE16_TO_CPU(buf->section_count);
1785 	if (sect_count < bld->reserved_section_table_entries) {
1786 		void *section_ptr = ((u8 *)buf) + data_end;
1787 
1788 		buf->section_entry[sect_count].offset = CPU_TO_LE16(data_end);
1789 		buf->section_entry[sect_count].size = CPU_TO_LE16(size);
1790 		buf->section_entry[sect_count].type = CPU_TO_LE32(type);
1791 
1792 		data_end += size;
1793 		buf->data_end = CPU_TO_LE16(data_end);
1794 
1795 		buf->section_count = CPU_TO_LE16(sect_count + 1);
1796 		return section_ptr;
1797 	}
1798 
1799 	/* no free section table entries */
1800 	return NULL;
1801 }
1802 
1803 /**
1804  * ice_pkg_buf_get_active_sections
1805  * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
1806  *
1807  * Returns the number of active sections. Before using the package buffer
1808  * in an update package command, the caller should make sure that there is at
1809  * least one active section - otherwise, the buffer is not legal and should
1810  * not be used.
1811  * Note: all package contents must be in Little Endian form.
1812  */
1813 static u16 ice_pkg_buf_get_active_sections(struct ice_buf_build *bld)
1814 {
1815 	struct ice_buf_hdr *buf;
1816 
1817 	if (!bld)
1818 		return 0;
1819 
1820 	buf = (struct ice_buf_hdr *)&bld->buf;
1821 	return LE16_TO_CPU(buf->section_count);
1822 }
1823 
1824 /**
1825  * ice_pkg_buf_header
1826  * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
1827  *
1828  * Return a pointer to the buffer's header
1829  */
1830 static struct ice_buf *ice_pkg_buf(struct ice_buf_build *bld)
1831 {
1832 	if (!bld)
1833 		return NULL;
1834 
1835 	return &bld->buf;
1836 }
1837 
1838 /**
1839  * ice_tunnel_port_in_use
1840  * @hw: pointer to the HW structure
1841  * @port: port to search for
1842  * @index: optionally returns index
1843  *
1844  * Returns whether a port is already in use as a tunnel, and optionally its
1845  * index
1846  */
1847 bool ice_tunnel_port_in_use(struct ice_hw *hw, u16 port, u16 *index)
1848 {
1849 	u16 i;
1850 
1851 	for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++)
1852 		if (hw->tnl.tbl[i].in_use && hw->tnl.tbl[i].port == port) {
1853 			if (index)
1854 				*index = i;
1855 			return true;
1856 		}
1857 
1858 	return false;
1859 }
1860 
1861 /**
1862  * ice_tunnel_get_type
1863  * @hw: pointer to the HW structure
1864  * @port: port to search for
1865  * @type: returns tunnel index
1866  *
1867  * For a given port number, will return the type of tunnel.
1868  */
1869 bool
1870 ice_tunnel_get_type(struct ice_hw *hw, u16 port, enum ice_tunnel_type *type)
1871 {
1872 	u16 i;
1873 
1874 	for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++)
1875 		if (hw->tnl.tbl[i].in_use && hw->tnl.tbl[i].port == port) {
1876 			*type = hw->tnl.tbl[i].type;
1877 			return true;
1878 		}
1879 
1880 	return false;
1881 }
1882 
1883 /**
1884  * ice_find_free_tunnel_entry
1885  * @hw: pointer to the HW structure
1886  * @type: tunnel type
1887  * @index: optionally returns index
1888  *
1889  * Returns whether there is a free tunnel entry, and optionally its index
1890  */
1891 static bool
1892 ice_find_free_tunnel_entry(struct ice_hw *hw, enum ice_tunnel_type type,
1893 			   u16 *index)
1894 {
1895 	u16 i;
1896 
1897 	for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++)
1898 		if (hw->tnl.tbl[i].valid && !hw->tnl.tbl[i].in_use &&
1899 		    hw->tnl.tbl[i].type == type) {
1900 			if (index)
1901 				*index = i;
1902 			return true;
1903 		}
1904 
1905 	return false;
1906 }
1907 
1908 /**
1909  * ice_get_tunnel_port - retrieve an open tunnel port
1910  * @hw: pointer to the HW structure
1911  * @type: tunnel type (TNL_ALL will return any open port)
1912  * @port: returns open port
1913  */
1914 bool
1915 ice_get_open_tunnel_port(struct ice_hw *hw, enum ice_tunnel_type type,
1916 			 u16 *port)
1917 {
1918 	u16 i;
1919 
1920 	for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++)
1921 		if (hw->tnl.tbl[i].valid && hw->tnl.tbl[i].in_use &&
1922 		    (type == TNL_ALL || hw->tnl.tbl[i].type == type)) {
1923 			*port = hw->tnl.tbl[i].port;
1924 			return true;
1925 		}
1926 
1927 	return false;
1928 }
1929 
1930 /**
1931  * ice_create_tunnel
1932  * @hw: pointer to the HW structure
1933  * @type: type of tunnel
1934  * @port: port to use for vxlan tunnel
1935  *
1936  * Creates a tunnel
1937  */
1938 enum ice_status
1939 ice_create_tunnel(struct ice_hw *hw, enum ice_tunnel_type type, u16 port)
1940 {
1941 	struct ice_boost_tcam_section *sect_rx, *sect_tx;
1942 	enum ice_status status = ICE_ERR_MAX_LIMIT;
1943 	struct ice_buf_build *bld;
1944 	u16 index;
1945 
1946 	if (ice_tunnel_port_in_use(hw, port, NULL))
1947 		return ICE_ERR_ALREADY_EXISTS;
1948 
1949 	if (!ice_find_free_tunnel_entry(hw, type, &index))
1950 		return ICE_ERR_OUT_OF_RANGE;
1951 
1952 	bld = ice_pkg_buf_alloc(hw);
1953 	if (!bld)
1954 		return ICE_ERR_NO_MEMORY;
1955 
1956 	/* allocate 2 sections, one for Rx parser, one for Tx parser */
1957 	if (ice_pkg_buf_reserve_section(bld, 2))
1958 		goto ice_create_tunnel_err;
1959 
1960 	sect_rx = (struct ice_boost_tcam_section *)
1961 		ice_pkg_buf_alloc_section(bld, ICE_SID_RXPARSER_BOOST_TCAM,
1962 					  sizeof(*sect_rx));
1963 	if (!sect_rx)
1964 		goto ice_create_tunnel_err;
1965 	sect_rx->count = CPU_TO_LE16(1);
1966 
1967 	sect_tx = (struct ice_boost_tcam_section *)
1968 		ice_pkg_buf_alloc_section(bld, ICE_SID_TXPARSER_BOOST_TCAM,
1969 					  sizeof(*sect_tx));
1970 	if (!sect_tx)
1971 		goto ice_create_tunnel_err;
1972 	sect_tx->count = CPU_TO_LE16(1);
1973 
1974 	/* copy original boost entry to update package buffer */
1975 	ice_memcpy(sect_rx->tcam, hw->tnl.tbl[index].boost_entry,
1976 		   sizeof(*sect_rx->tcam), ICE_NONDMA_TO_NONDMA);
1977 
1978 	/* over-write the never-match dest port key bits with the encoded port
1979 	 * bits
1980 	 */
1981 	ice_set_key((u8 *)&sect_rx->tcam[0].key, sizeof(sect_rx->tcam[0].key),
1982 		    (u8 *)&port, NULL, NULL, NULL,
1983 		    offsetof(struct ice_boost_key_value, hv_dst_port_key),
1984 		    sizeof(sect_rx->tcam[0].key.key.hv_dst_port_key));
1985 
1986 	/* exact copy of entry to Tx section entry */
1987 	ice_memcpy(sect_tx->tcam, sect_rx->tcam, sizeof(*sect_tx->tcam),
1988 		   ICE_NONDMA_TO_NONDMA);
1989 
1990 	status = ice_update_pkg(hw, ice_pkg_buf(bld), 1);
1991 	if (!status) {
1992 		hw->tnl.tbl[index].port = port;
1993 		hw->tnl.tbl[index].in_use = true;
1994 	}
1995 
1996 ice_create_tunnel_err:
1997 	ice_pkg_buf_free(hw, bld);
1998 
1999 	return status;
2000 }
2001 
2002 /**
2003  * ice_destroy_tunnel
2004  * @hw: pointer to the HW structure
2005  * @port: port of tunnel to destroy (ignored if the all parameter is true)
2006  * @all: flag that states to destroy all tunnels
2007  *
2008  * Destroys a tunnel or all tunnels by creating an update package buffer
2009  * targeting the specific updates requested and then performing an update
2010  * package.
2011  */
2012 enum ice_status ice_destroy_tunnel(struct ice_hw *hw, u16 port, bool all)
2013 {
2014 	struct ice_boost_tcam_section *sect_rx, *sect_tx;
2015 	enum ice_status status = ICE_ERR_MAX_LIMIT;
2016 	struct ice_buf_build *bld;
2017 	u16 count = 0;
2018 	u16 size;
2019 	u16 i;
2020 
2021 	/* determine count */
2022 	for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++)
2023 		if (hw->tnl.tbl[i].valid && hw->tnl.tbl[i].in_use &&
2024 		    (all || hw->tnl.tbl[i].port == port))
2025 			count++;
2026 
2027 	if (!count)
2028 		return ICE_ERR_PARAM;
2029 
2030 	/* size of section - there is at least one entry */
2031 	size = (count - 1) * sizeof(*sect_rx->tcam) + sizeof(*sect_rx);
2032 
2033 	bld = ice_pkg_buf_alloc(hw);
2034 	if (!bld)
2035 		return ICE_ERR_NO_MEMORY;
2036 
2037 	/* allocate 2 sections, one for Rx parser, one for Tx parser */
2038 	if (ice_pkg_buf_reserve_section(bld, 2))
2039 		goto ice_destroy_tunnel_err;
2040 
2041 	sect_rx = (struct ice_boost_tcam_section *)
2042 		ice_pkg_buf_alloc_section(bld, ICE_SID_RXPARSER_BOOST_TCAM,
2043 					  size);
2044 	if (!sect_rx)
2045 		goto ice_destroy_tunnel_err;
2046 	sect_rx->count = CPU_TO_LE16(1);
2047 
2048 	sect_tx = (struct ice_boost_tcam_section *)
2049 		ice_pkg_buf_alloc_section(bld, ICE_SID_TXPARSER_BOOST_TCAM,
2050 					  size);
2051 	if (!sect_tx)
2052 		goto ice_destroy_tunnel_err;
2053 	sect_tx->count = CPU_TO_LE16(1);
2054 
2055 	/* copy original boost entry to update package buffer, one copy to Rx
2056 	 * section, another copy to the Tx section
2057 	 */
2058 	for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++)
2059 		if (hw->tnl.tbl[i].valid && hw->tnl.tbl[i].in_use &&
2060 		    (all || hw->tnl.tbl[i].port == port)) {
2061 			ice_memcpy(sect_rx->tcam + i,
2062 				   hw->tnl.tbl[i].boost_entry,
2063 				   sizeof(*sect_rx->tcam),
2064 				   ICE_NONDMA_TO_NONDMA);
2065 			ice_memcpy(sect_tx->tcam + i,
2066 				   hw->tnl.tbl[i].boost_entry,
2067 				   sizeof(*sect_tx->tcam),
2068 				   ICE_NONDMA_TO_NONDMA);
2069 			hw->tnl.tbl[i].marked = true;
2070 		}
2071 
2072 	status = ice_update_pkg(hw, ice_pkg_buf(bld), 1);
2073 	if (!status)
2074 		for (i = 0; i < hw->tnl.count &&
2075 		     i < ICE_TUNNEL_MAX_ENTRIES; i++)
2076 			if (hw->tnl.tbl[i].marked) {
2077 				hw->tnl.tbl[i].port = 0;
2078 				hw->tnl.tbl[i].in_use = false;
2079 				hw->tnl.tbl[i].marked = false;
2080 			}
2081 
2082 ice_destroy_tunnel_err:
2083 	ice_pkg_buf_free(hw, bld);
2084 
2085 	return status;
2086 }
2087 
2088 /**
2089  * ice_find_prot_off - find prot ID and offset pair, based on prof and FV index
2090  * @hw: pointer to the hardware structure
2091  * @blk: hardware block
2092  * @prof: profile ID
2093  * @fv_idx: field vector word index
2094  * @prot: variable to receive the protocol ID
2095  * @off: variable to receive the protocol offset
2096  */
2097 enum ice_status
2098 ice_find_prot_off(struct ice_hw *hw, enum ice_block blk, u8 prof, u8 fv_idx,
2099 		  u8 *prot, u16 *off)
2100 {
2101 	struct ice_fv_word *fv_ext;
2102 
2103 	if (prof >= hw->blk[blk].es.count)
2104 		return ICE_ERR_PARAM;
2105 
2106 	if (fv_idx >= hw->blk[blk].es.fvw)
2107 		return ICE_ERR_PARAM;
2108 
2109 	fv_ext = hw->blk[blk].es.t + (prof * hw->blk[blk].es.fvw);
2110 
2111 	*prot = fv_ext[fv_idx].prot_id;
2112 	*off = fv_ext[fv_idx].off;
2113 
2114 	return ICE_SUCCESS;
2115 }
2116 
2117 /* PTG Management */
2118 
2119 /**
2120  * ice_ptg_find_ptype - Search for packet type group using packet type (ptype)
2121  * @hw: pointer to the hardware structure
2122  * @blk: HW block
2123  * @ptype: the ptype to search for
2124  * @ptg: pointer to variable that receives the PTG
2125  *
2126  * This function will search the PTGs for a particular ptype, returning the
2127  * PTG ID that contains it through the ptg parameter, with the value of
2128  * ICE_DEFAULT_PTG (0) meaning it is part the default PTG.
2129  */
2130 static enum ice_status
2131 ice_ptg_find_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 *ptg)
2132 {
2133 	if (ptype >= ICE_XLT1_CNT || !ptg)
2134 		return ICE_ERR_PARAM;
2135 
2136 	*ptg = hw->blk[blk].xlt1.ptypes[ptype].ptg;
2137 	return ICE_SUCCESS;
2138 }
2139 
2140 /**
2141  * ice_ptg_alloc_val - Allocates a new packet type group ID by value
2142  * @hw: pointer to the hardware structure
2143  * @blk: HW block
2144  * @ptg: the ptg to allocate
2145  *
2146  * This function allocates a given packet type group ID specified by the ptg
2147  * parameter.
2148  */
2149 static
2150 void ice_ptg_alloc_val(struct ice_hw *hw, enum ice_block blk, u8 ptg)
2151 {
2152 	hw->blk[blk].xlt1.ptg_tbl[ptg].in_use = true;
2153 }
2154 
2155 /**
2156  * ice_ptg_remove_ptype - Removes ptype from a particular packet type group
2157  * @hw: pointer to the hardware structure
2158  * @blk: HW block
2159  * @ptype: the ptype to remove
2160  * @ptg: the ptg to remove the ptype from
2161  *
2162  * This function will remove the ptype from the specific ptg, and move it to
2163  * the default PTG (ICE_DEFAULT_PTG).
2164  */
2165 static enum ice_status
2166 ice_ptg_remove_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 ptg)
2167 {
2168 	struct ice_ptg_ptype **ch;
2169 	struct ice_ptg_ptype *p;
2170 
2171 	if (ptype > ICE_XLT1_CNT - 1)
2172 		return ICE_ERR_PARAM;
2173 
2174 	if (!hw->blk[blk].xlt1.ptg_tbl[ptg].in_use)
2175 		return ICE_ERR_DOES_NOT_EXIST;
2176 
2177 	/* Should not happen if .in_use is set, bad config */
2178 	if (!hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype)
2179 		return ICE_ERR_CFG;
2180 
2181 	/* find the ptype within this PTG, and bypass the link over it */
2182 	p = hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype;
2183 	ch = &hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype;
2184 	while (p) {
2185 		if (ptype == (p - hw->blk[blk].xlt1.ptypes)) {
2186 			*ch = p->next_ptype;
2187 			break;
2188 		}
2189 
2190 		ch = &p->next_ptype;
2191 		p = p->next_ptype;
2192 	}
2193 
2194 	hw->blk[blk].xlt1.ptypes[ptype].ptg = ICE_DEFAULT_PTG;
2195 	hw->blk[blk].xlt1.ptypes[ptype].next_ptype = NULL;
2196 
2197 	return ICE_SUCCESS;
2198 }
2199 
2200 /**
2201  * ice_ptg_add_mv_ptype - Adds/moves ptype to a particular packet type group
2202  * @hw: pointer to the hardware structure
2203  * @blk: HW block
2204  * @ptype: the ptype to add or move
2205  * @ptg: the ptg to add or move the ptype to
2206  *
2207  * This function will either add or move a ptype to a particular PTG depending
2208  * on if the ptype is already part of another group. Note that using a
2209  * a destination PTG ID of ICE_DEFAULT_PTG (0) will move the ptype to the
2210  * default PTG.
2211  */
2212 static enum ice_status
2213 ice_ptg_add_mv_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 ptg)
2214 {
2215 	enum ice_status status;
2216 	u8 original_ptg;
2217 
2218 	if (ptype > ICE_XLT1_CNT - 1)
2219 		return ICE_ERR_PARAM;
2220 
2221 	if (!hw->blk[blk].xlt1.ptg_tbl[ptg].in_use && ptg != ICE_DEFAULT_PTG)
2222 		return ICE_ERR_DOES_NOT_EXIST;
2223 
2224 	status = ice_ptg_find_ptype(hw, blk, ptype, &original_ptg);
2225 	if (status)
2226 		return status;
2227 
2228 	/* Is ptype already in the correct PTG? */
2229 	if (original_ptg == ptg)
2230 		return ICE_SUCCESS;
2231 
2232 	/* Remove from original PTG and move back to the default PTG */
2233 	if (original_ptg != ICE_DEFAULT_PTG)
2234 		ice_ptg_remove_ptype(hw, blk, ptype, original_ptg);
2235 
2236 	/* Moving to default PTG? Then we're done with this request */
2237 	if (ptg == ICE_DEFAULT_PTG)
2238 		return ICE_SUCCESS;
2239 
2240 	/* Add ptype to PTG at beginning of list */
2241 	hw->blk[blk].xlt1.ptypes[ptype].next_ptype =
2242 		hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype;
2243 	hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype =
2244 		&hw->blk[blk].xlt1.ptypes[ptype];
2245 
2246 	hw->blk[blk].xlt1.ptypes[ptype].ptg = ptg;
2247 	hw->blk[blk].xlt1.t[ptype] = ptg;
2248 
2249 	return ICE_SUCCESS;
2250 }
2251 
2252 /* Block / table size info */
2253 struct ice_blk_size_details {
2254 	u16 xlt1;			/* # XLT1 entries */
2255 	u16 xlt2;			/* # XLT2 entries */
2256 	u16 prof_tcam;			/* # profile ID TCAM entries */
2257 	u16 prof_id;			/* # profile IDs */
2258 	u8 prof_cdid_bits;		/* # cdid one-hot bits used in key */
2259 	u16 prof_redir;			/* # profile redirection entries */
2260 	u16 es;				/* # extraction sequence entries */
2261 	u16 fvw;			/* # field vector words */
2262 	u8 overwrite;			/* overwrite existing entries allowed */
2263 	u8 reverse;			/* reverse FV order */
2264 };
2265 
2266 static const struct ice_blk_size_details blk_sizes[ICE_BLK_COUNT] = {
2267 	/**
2268 	 * Table Definitions
2269 	 * XLT1 - Number of entries in XLT1 table
2270 	 * XLT2 - Number of entries in XLT2 table
2271 	 * TCAM - Number of entries Profile ID TCAM table
2272 	 * CDID - Control Domain ID of the hardware block
2273 	 * PRED - Number of entries in the Profile Redirection Table
2274 	 * FV   - Number of entries in the Field Vector
2275 	 * FVW  - Width (in WORDs) of the Field Vector
2276 	 * OVR  - Overwrite existing table entries
2277 	 * REV  - Reverse FV
2278 	 */
2279 	/*          XLT1        , XLT2        ,TCAM, PID,CDID,PRED,   FV, FVW */
2280 	/*          Overwrite   , Reverse FV */
2281 	/* SW  */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 256,   0,  256, 256,  48,
2282 		    false, false },
2283 	/* ACL */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128,   0,  128, 128,  32,
2284 		    false, false },
2285 	/* FD  */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128,   0,  128, 128,  24,
2286 		    false, true  },
2287 	/* RSS */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128,   0,  128, 128,  24,
2288 		    true,  true  },
2289 	/* PE  */ { ICE_XLT1_CNT, ICE_XLT2_CNT,  64,  32,   0,   32,  32,  24,
2290 		    false, false },
2291 };
2292 
2293 enum ice_sid_all {
2294 	ICE_SID_XLT1_OFF = 0,
2295 	ICE_SID_XLT2_OFF,
2296 	ICE_SID_PR_OFF,
2297 	ICE_SID_PR_REDIR_OFF,
2298 	ICE_SID_ES_OFF,
2299 	ICE_SID_OFF_COUNT,
2300 };
2301 
2302 /* Characteristic handling */
2303 
2304 /**
2305  * ice_match_prop_lst - determine if properties of two lists match
2306  * @list1: first properties list
2307  * @list2: second properties list
2308  *
2309  * Count, cookies and the order must match in order to be considered equivalent.
2310  */
2311 static bool
2312 ice_match_prop_lst(struct LIST_HEAD_TYPE *list1, struct LIST_HEAD_TYPE *list2)
2313 {
2314 	struct ice_vsig_prof *tmp1;
2315 	struct ice_vsig_prof *tmp2;
2316 	u16 chk_count = 0;
2317 	u16 count = 0;
2318 
2319 	/* compare counts */
2320 	LIST_FOR_EACH_ENTRY(tmp1, list1, ice_vsig_prof, list) {
2321 		count++;
2322 	}
2323 	LIST_FOR_EACH_ENTRY(tmp2, list2, ice_vsig_prof, list) {
2324 		chk_count++;
2325 	}
2326 	if (!count || count != chk_count)
2327 		return false;
2328 
2329 	tmp1 = LIST_FIRST_ENTRY(list1, struct ice_vsig_prof, list);
2330 	tmp2 = LIST_FIRST_ENTRY(list2, struct ice_vsig_prof, list);
2331 
2332 	/* profile cookies must compare, and in the exact same order to take
2333 	 * into account priority
2334 	 */
2335 	while (count--) {
2336 		if (tmp2->profile_cookie != tmp1->profile_cookie)
2337 			return false;
2338 
2339 		tmp1 = LIST_NEXT_ENTRY(tmp1, struct ice_vsig_prof, list);
2340 		tmp2 = LIST_NEXT_ENTRY(tmp2, struct ice_vsig_prof, list);
2341 	}
2342 
2343 	return true;
2344 }
2345 
2346 /* VSIG Management */
2347 
2348 /**
2349  * ice_vsig_find_vsi - find a VSIG that contains a specified VSI
2350  * @hw: pointer to the hardware structure
2351  * @blk: HW block
2352  * @vsi: VSI of interest
2353  * @vsig: pointer to receive the VSI group
2354  *
2355  * This function will lookup the VSI entry in the XLT2 list and return
2356  * the VSI group its associated with.
2357  */
2358 enum ice_status
2359 ice_vsig_find_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 *vsig)
2360 {
2361 	if (!vsig || vsi >= ICE_MAX_VSI)
2362 		return ICE_ERR_PARAM;
2363 
2364 	/* As long as there's a default or valid VSIG associated with the input
2365 	 * VSI, the functions returns a success. Any handling of VSIG will be
2366 	 * done by the following add, update or remove functions.
2367 	 */
2368 	*vsig = hw->blk[blk].xlt2.vsis[vsi].vsig;
2369 
2370 	return ICE_SUCCESS;
2371 }
2372 
2373 /**
2374  * ice_vsig_alloc_val - allocate a new VSIG by value
2375  * @hw: pointer to the hardware structure
2376  * @blk: HW block
2377  * @vsig: the vsig to allocate
2378  *
2379  * This function will allocate a given VSIG specified by the vsig parameter.
2380  */
2381 static u16 ice_vsig_alloc_val(struct ice_hw *hw, enum ice_block blk, u16 vsig)
2382 {
2383 	u16 idx = vsig & ICE_VSIG_IDX_M;
2384 
2385 	if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use) {
2386 		INIT_LIST_HEAD(&hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst);
2387 		hw->blk[blk].xlt2.vsig_tbl[idx].in_use = true;
2388 	}
2389 
2390 	return ICE_VSIG_VALUE(idx, hw->pf_id);
2391 }
2392 
2393 /**
2394  * ice_vsig_alloc - Finds a free entry and allocates a new VSIG
2395  * @hw: pointer to the hardware structure
2396  * @blk: HW block
2397  *
2398  * This function will iterate through the VSIG list and mark the first
2399  * unused entry for the new VSIG entry as used and return that value.
2400  */
2401 static u16 ice_vsig_alloc(struct ice_hw *hw, enum ice_block blk)
2402 {
2403 	u16 i;
2404 
2405 	for (i = 1; i < ICE_MAX_VSIGS; i++)
2406 		if (!hw->blk[blk].xlt2.vsig_tbl[i].in_use)
2407 			return ice_vsig_alloc_val(hw, blk, i);
2408 
2409 	return ICE_DEFAULT_VSIG;
2410 }
2411 
2412 /**
2413  * ice_find_dup_props_vsig - find VSI group with a specified set of properties
2414  * @hw: pointer to the hardware structure
2415  * @blk: HW block
2416  * @chs: characteristic list
2417  * @vsig: returns the VSIG with the matching profiles, if found
2418  *
2419  * Each VSIG is associated with a characteristic set; i.e. all VSIs under
2420  * a group have the same characteristic set. To check if there exists a VSIG
2421  * which has the same characteristics as the input characteristics; this
2422  * function will iterate through the XLT2 list and return the VSIG that has a
2423  * matching configuration. In order to make sure that priorities are accounted
2424  * for, the list must match exactly, including the order in which the
2425  * characteristics are listed.
2426  */
2427 static enum ice_status
2428 ice_find_dup_props_vsig(struct ice_hw *hw, enum ice_block blk,
2429 			struct LIST_HEAD_TYPE *chs, u16 *vsig)
2430 {
2431 	struct ice_xlt2 *xlt2 = &hw->blk[blk].xlt2;
2432 	u16 i;
2433 
2434 	for (i = 0; i < xlt2->count; i++) {
2435 		if (xlt2->vsig_tbl[i].in_use &&
2436 		    ice_match_prop_lst(chs, &xlt2->vsig_tbl[i].prop_lst)) {
2437 			*vsig = ICE_VSIG_VALUE(i, hw->pf_id);
2438 			return ICE_SUCCESS;
2439 		}
2440 	}
2441 
2442 	return ICE_ERR_DOES_NOT_EXIST;
2443 }
2444 
2445 /**
2446  * ice_vsig_free - free VSI group
2447  * @hw: pointer to the hardware structure
2448  * @blk: HW block
2449  * @vsig: VSIG to remove
2450  *
2451  * The function will remove all VSIs associated with the input VSIG and move
2452  * them to the DEFAULT_VSIG and mark the VSIG available.
2453  */
2454 static enum ice_status
2455 ice_vsig_free(struct ice_hw *hw, enum ice_block blk, u16 vsig)
2456 {
2457 	struct ice_vsig_prof *dtmp, *del;
2458 	struct ice_vsig_vsi *vsi_cur;
2459 	u16 idx;
2460 
2461 	idx = vsig & ICE_VSIG_IDX_M;
2462 	if (idx >= ICE_MAX_VSIGS)
2463 		return ICE_ERR_PARAM;
2464 
2465 	if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use)
2466 		return ICE_ERR_DOES_NOT_EXIST;
2467 
2468 	hw->blk[blk].xlt2.vsig_tbl[idx].in_use = false;
2469 
2470 	vsi_cur = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
2471 	/* If the VSIG has at least 1 VSI then iterate through the
2472 	 * list and remove the VSIs before deleting the group.
2473 	 */
2474 	if (vsi_cur) {
2475 		/* remove all vsis associated with this VSIG XLT2 entry */
2476 		do {
2477 			struct ice_vsig_vsi *tmp = vsi_cur->next_vsi;
2478 
2479 			vsi_cur->vsig = ICE_DEFAULT_VSIG;
2480 			vsi_cur->changed = 1;
2481 			vsi_cur->next_vsi = NULL;
2482 			vsi_cur = tmp;
2483 		} while (vsi_cur);
2484 
2485 		/* NULL terminate head of VSI list */
2486 		hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi = NULL;
2487 	}
2488 
2489 	/* free characteristic list */
2490 	LIST_FOR_EACH_ENTRY_SAFE(del, dtmp,
2491 				 &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
2492 				 ice_vsig_prof, list) {
2493 		LIST_DEL(&del->list);
2494 		ice_free(hw, del);
2495 	}
2496 
2497 	/* if VSIG characteristic list was cleared for reset
2498 	 * re-initialize the list head
2499 	 */
2500 	INIT_LIST_HEAD(&hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst);
2501 
2502 	return ICE_SUCCESS;
2503 }
2504 
2505 /**
2506  * ice_vsig_remove_vsi - remove VSI from VSIG
2507  * @hw: pointer to the hardware structure
2508  * @blk: HW block
2509  * @vsi: VSI to remove
2510  * @vsig: VSI group to remove from
2511  *
2512  * The function will remove the input VSI from its VSI group and move it
2513  * to the DEFAULT_VSIG.
2514  */
2515 static enum ice_status
2516 ice_vsig_remove_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig)
2517 {
2518 	struct ice_vsig_vsi **vsi_head, *vsi_cur, *vsi_tgt;
2519 	u16 idx;
2520 
2521 	idx = vsig & ICE_VSIG_IDX_M;
2522 
2523 	if (vsi >= ICE_MAX_VSI || idx >= ICE_MAX_VSIGS)
2524 		return ICE_ERR_PARAM;
2525 
2526 	if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use)
2527 		return ICE_ERR_DOES_NOT_EXIST;
2528 
2529 	/* entry already in default VSIG, don't have to remove */
2530 	if (idx == ICE_DEFAULT_VSIG)
2531 		return ICE_SUCCESS;
2532 
2533 	vsi_head = &hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
2534 	if (!(*vsi_head))
2535 		return ICE_ERR_CFG;
2536 
2537 	vsi_tgt = &hw->blk[blk].xlt2.vsis[vsi];
2538 	vsi_cur = (*vsi_head);
2539 
2540 	/* iterate the VSI list, skip over the entry to be removed */
2541 	while (vsi_cur) {
2542 		if (vsi_tgt == vsi_cur) {
2543 			(*vsi_head) = vsi_cur->next_vsi;
2544 			break;
2545 		}
2546 		vsi_head = &vsi_cur->next_vsi;
2547 		vsi_cur = vsi_cur->next_vsi;
2548 	}
2549 
2550 	/* verify if VSI was removed from group list */
2551 	if (!vsi_cur)
2552 		return ICE_ERR_DOES_NOT_EXIST;
2553 
2554 	vsi_cur->vsig = ICE_DEFAULT_VSIG;
2555 	vsi_cur->changed = 1;
2556 	vsi_cur->next_vsi = NULL;
2557 
2558 	return ICE_SUCCESS;
2559 }
2560 
2561 /**
2562  * ice_vsig_add_mv_vsi - add or move a VSI to a VSI group
2563  * @hw: pointer to the hardware structure
2564  * @blk: HW block
2565  * @vsi: VSI to move
2566  * @vsig: destination VSI group
2567  *
2568  * This function will move or add the input VSI to the target VSIG.
2569  * The function will find the original VSIG the VSI belongs to and
2570  * move the entry to the DEFAULT_VSIG, update the original VSIG and
2571  * then move entry to the new VSIG.
2572  */
2573 static enum ice_status
2574 ice_vsig_add_mv_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig)
2575 {
2576 	struct ice_vsig_vsi *tmp;
2577 	enum ice_status status;
2578 	u16 orig_vsig, idx;
2579 
2580 	idx = vsig & ICE_VSIG_IDX_M;
2581 
2582 	if (vsi >= ICE_MAX_VSI || idx >= ICE_MAX_VSIGS)
2583 		return ICE_ERR_PARAM;
2584 
2585 	/* if VSIG not in use and VSIG is not default type this VSIG
2586 	 * doesn't exist.
2587 	 */
2588 	if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use &&
2589 	    vsig != ICE_DEFAULT_VSIG)
2590 		return ICE_ERR_DOES_NOT_EXIST;
2591 
2592 	status = ice_vsig_find_vsi(hw, blk, vsi, &orig_vsig);
2593 	if (status)
2594 		return status;
2595 
2596 	/* no update required if vsigs match */
2597 	if (orig_vsig == vsig)
2598 		return ICE_SUCCESS;
2599 
2600 	if (orig_vsig != ICE_DEFAULT_VSIG) {
2601 		/* remove entry from orig_vsig and add to default VSIG */
2602 		status = ice_vsig_remove_vsi(hw, blk, vsi, orig_vsig);
2603 		if (status)
2604 			return status;
2605 	}
2606 
2607 	if (idx == ICE_DEFAULT_VSIG)
2608 		return ICE_SUCCESS;
2609 
2610 	/* Create VSI entry and add VSIG and prop_mask values */
2611 	hw->blk[blk].xlt2.vsis[vsi].vsig = vsig;
2612 	hw->blk[blk].xlt2.vsis[vsi].changed = 1;
2613 
2614 	/* Add new entry to the head of the VSIG list */
2615 	tmp = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
2616 	hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi =
2617 		&hw->blk[blk].xlt2.vsis[vsi];
2618 	hw->blk[blk].xlt2.vsis[vsi].next_vsi = tmp;
2619 	hw->blk[blk].xlt2.t[vsi] = vsig;
2620 
2621 	return ICE_SUCCESS;
2622 }
2623 
2624 /**
2625  * ice_prof_has_mask_idx - determine if profile index masking is identical
2626  * @hw: pointer to the hardware structure
2627  * @blk: HW block
2628  * @prof: profile to check
2629  * @idx: profile index to check
2630  * @masks: masks to match
2631  */
2632 static bool
2633 ice_prof_has_mask_idx(struct ice_hw *hw, enum ice_block blk, u8 prof, u16 idx,
2634 		      u16 mask)
2635 {
2636 	bool expect_no_mask = false;
2637 	bool found = false;
2638 	bool match = false;
2639 	u16 i;
2640 
2641 	/* If mask is 0x0000 or 0xffff, then there is no masking */
2642 	if (mask == 0 || mask == 0xffff)
2643 		expect_no_mask = true;
2644 
2645 	/* Scan the enabled masks on this profile, for the specified idx */
2646 	for (i = 0; i < ICE_PROFILE_MASK_COUNT; i++)
2647 		if (hw->blk[blk].es.mask_ena[prof] & BIT(i))
2648 			if (hw->blk[blk].masks.masks[i].in_use &&
2649 			    hw->blk[blk].masks.masks[i].idx == idx) {
2650 				found = true;
2651 				if (hw->blk[blk].masks.masks[i].mask == mask)
2652 					match = true;
2653 				break;
2654 			}
2655 
2656 	if (expect_no_mask) {
2657 		if (found)
2658 			return false;
2659 	} else {
2660 		if (!match)
2661 			return false;
2662 	}
2663 
2664 	return true;
2665 }
2666 
2667 /**
2668  * ice_prof_has_mask - determine if profile masking is identical
2669  * @hw: pointer to the hardware structure
2670  * @blk: HW block
2671  * @prof: profile to check
2672  * @masks: masks to match
2673  */
2674 static bool
2675 ice_prof_has_mask(struct ice_hw *hw, enum ice_block blk, u8 prof, u16 *masks)
2676 {
2677 	u16 i;
2678 
2679 	/* es->mask_ena[prof] will have the mask */
2680 	for (i = 0; i < hw->blk[blk].es.fvw; i++)
2681 		if (!ice_prof_has_mask_idx(hw, blk, prof, i, masks[i]))
2682 			return false;
2683 
2684 	return true;
2685 }
2686 
2687 /**
2688  * ice_find_prof_id_with_mask - find profile ID for a given field vector
2689  * @hw: pointer to the hardware structure
2690  * @blk: HW block
2691  * @fv: field vector to search for
2692  * @masks: masks for fv
2693  * @prof_id: receives the profile ID
2694  */
2695 static enum ice_status
2696 ice_find_prof_id_with_mask(struct ice_hw *hw, enum ice_block blk,
2697 			   struct ice_fv_word *fv, u16 *masks, u8 *prof_id)
2698 {
2699 	struct ice_es *es = &hw->blk[blk].es;
2700 	u16 i;
2701 
2702 	for (i = 0; i < es->count; i++) {
2703 		u16 off = i * es->fvw;
2704 
2705 		if (memcmp(&es->t[off], fv, es->fvw * sizeof(*fv)))
2706 			continue;
2707 
2708 		/* check if masks settings are the same for this profile */
2709 		if (!ice_prof_has_mask(hw, blk, i, masks))
2710 			continue;
2711 
2712 		*prof_id = i;
2713 		return ICE_SUCCESS;
2714 	}
2715 
2716 	return ICE_ERR_DOES_NOT_EXIST;
2717 }
2718 
2719 /**
2720  * ice_find_prof_id - find profile ID for a given field vector
2721  * @hw: pointer to the hardware structure
2722  * @blk: HW block
2723  * @fv: field vector to search for
2724  * @prof_id: receives the profile ID
2725  */
2726 static enum ice_status
2727 ice_find_prof_id(struct ice_hw *hw, enum ice_block blk,
2728 		 struct ice_fv_word *fv, u8 *prof_id)
2729 {
2730 	struct ice_es *es = &hw->blk[blk].es;
2731 	u16 off, i;
2732 
2733 	for (i = 0; i < es->count; i++) {
2734 		off = i * es->fvw;
2735 
2736 		if (memcmp(&es->t[off], fv, es->fvw * sizeof(*fv)))
2737 			continue;
2738 
2739 		*prof_id = i;
2740 		return ICE_SUCCESS;
2741 	}
2742 
2743 	return ICE_ERR_DOES_NOT_EXIST;
2744 }
2745 
2746 /**
2747  * ice_prof_id_rsrc_type - get profile ID resource type for a block type
2748  * @blk: the block type
2749  * @rsrc_type: pointer to variable to receive the resource type
2750  */
2751 static bool ice_prof_id_rsrc_type(enum ice_block blk, u16 *rsrc_type)
2752 {
2753 	switch (blk) {
2754 	case ICE_BLK_SW:
2755 		*rsrc_type = ICE_AQC_RES_TYPE_SWITCH_PROF_BLDR_PROFID;
2756 		break;
2757 	case ICE_BLK_ACL:
2758 		*rsrc_type = ICE_AQC_RES_TYPE_ACL_PROF_BLDR_PROFID;
2759 		break;
2760 	case ICE_BLK_FD:
2761 		*rsrc_type = ICE_AQC_RES_TYPE_FD_PROF_BLDR_PROFID;
2762 		break;
2763 	case ICE_BLK_RSS:
2764 		*rsrc_type = ICE_AQC_RES_TYPE_HASH_PROF_BLDR_PROFID;
2765 		break;
2766 	case ICE_BLK_PE:
2767 		*rsrc_type = ICE_AQC_RES_TYPE_QHASH_PROF_BLDR_PROFID;
2768 		break;
2769 	default:
2770 		return false;
2771 	}
2772 	return true;
2773 }
2774 
2775 /**
2776  * ice_tcam_ent_rsrc_type - get TCAM entry resource type for a block type
2777  * @blk: the block type
2778  * @rsrc_type: pointer to variable to receive the resource type
2779  */
2780 static bool ice_tcam_ent_rsrc_type(enum ice_block blk, u16 *rsrc_type)
2781 {
2782 	switch (blk) {
2783 	case ICE_BLK_SW:
2784 		*rsrc_type = ICE_AQC_RES_TYPE_SWITCH_PROF_BLDR_TCAM;
2785 		break;
2786 	case ICE_BLK_ACL:
2787 		*rsrc_type = ICE_AQC_RES_TYPE_ACL_PROF_BLDR_TCAM;
2788 		break;
2789 	case ICE_BLK_FD:
2790 		*rsrc_type = ICE_AQC_RES_TYPE_FD_PROF_BLDR_TCAM;
2791 		break;
2792 	case ICE_BLK_RSS:
2793 		*rsrc_type = ICE_AQC_RES_TYPE_HASH_PROF_BLDR_TCAM;
2794 		break;
2795 	case ICE_BLK_PE:
2796 		*rsrc_type = ICE_AQC_RES_TYPE_QHASH_PROF_BLDR_TCAM;
2797 		break;
2798 	default:
2799 		return false;
2800 	}
2801 	return true;
2802 }
2803 
2804 /**
2805  * ice_alloc_tcam_ent - allocate hardware TCAM entry
2806  * @hw: pointer to the HW struct
2807  * @blk: the block to allocate the TCAM for
2808  * @tcam_idx: pointer to variable to receive the TCAM entry
2809  *
2810  * This function allocates a new entry in a Profile ID TCAM for a specific
2811  * block.
2812  */
2813 static enum ice_status
2814 ice_alloc_tcam_ent(struct ice_hw *hw, enum ice_block blk, u16 *tcam_idx)
2815 {
2816 	u16 res_type;
2817 
2818 	if (!ice_tcam_ent_rsrc_type(blk, &res_type))
2819 		return ICE_ERR_PARAM;
2820 
2821 	return ice_alloc_hw_res(hw, res_type, 1, true, tcam_idx);
2822 }
2823 
2824 /**
2825  * ice_free_tcam_ent - free hardware TCAM entry
2826  * @hw: pointer to the HW struct
2827  * @blk: the block from which to free the TCAM entry
2828  * @tcam_idx: the TCAM entry to free
2829  *
2830  * This function frees an entry in a Profile ID TCAM for a specific block.
2831  */
2832 static enum ice_status
2833 ice_free_tcam_ent(struct ice_hw *hw, enum ice_block blk, u16 tcam_idx)
2834 {
2835 	u16 res_type;
2836 
2837 	if (!ice_tcam_ent_rsrc_type(blk, &res_type))
2838 		return ICE_ERR_PARAM;
2839 
2840 	return ice_free_hw_res(hw, res_type, 1, &tcam_idx);
2841 }
2842 
2843 /**
2844  * ice_alloc_prof_id - allocate profile ID
2845  * @hw: pointer to the HW struct
2846  * @blk: the block to allocate the profile ID for
2847  * @prof_id: pointer to variable to receive the profile ID
2848  *
2849  * This function allocates a new profile ID, which also corresponds to a Field
2850  * Vector (Extraction Sequence) entry.
2851  */
2852 static enum ice_status
2853 ice_alloc_prof_id(struct ice_hw *hw, enum ice_block blk, u8 *prof_id)
2854 {
2855 	enum ice_status status;
2856 	u16 res_type;
2857 	u16 get_prof;
2858 
2859 	if (!ice_prof_id_rsrc_type(blk, &res_type))
2860 		return ICE_ERR_PARAM;
2861 
2862 	status = ice_alloc_hw_res(hw, res_type, 1, false, &get_prof);
2863 	if (!status)
2864 		*prof_id = (u8)get_prof;
2865 
2866 	return status;
2867 }
2868 
2869 /**
2870  * ice_free_prof_id - free profile ID
2871  * @hw: pointer to the HW struct
2872  * @blk: the block from which to free the profile ID
2873  * @prof_id: the profile ID to free
2874  *
2875  * This function frees a profile ID, which also corresponds to a Field Vector.
2876  */
2877 static enum ice_status
2878 ice_free_prof_id(struct ice_hw *hw, enum ice_block blk, u8 prof_id)
2879 {
2880 	u16 tmp_prof_id = (u16)prof_id;
2881 	u16 res_type;
2882 
2883 	if (!ice_prof_id_rsrc_type(blk, &res_type))
2884 		return ICE_ERR_PARAM;
2885 
2886 	return ice_free_hw_res(hw, res_type, 1, &tmp_prof_id);
2887 }
2888 
2889 /**
2890  * ice_prof_inc_ref - increment reference count for profile
2891  * @hw: pointer to the HW struct
2892  * @blk: the block from which to free the profile ID
2893  * @prof_id: the profile ID for which to increment the reference count
2894  */
2895 static enum ice_status
2896 ice_prof_inc_ref(struct ice_hw *hw, enum ice_block blk, u8 prof_id)
2897 {
2898 	if (prof_id > hw->blk[blk].es.count)
2899 		return ICE_ERR_PARAM;
2900 
2901 	hw->blk[blk].es.ref_count[prof_id]++;
2902 
2903 	return ICE_SUCCESS;
2904 }
2905 
2906 /**
2907  * ice_write_prof_mask_reg - write profile mask register
2908  * @hw: pointer to the HW struct
2909  * @blk: hardware block
2910  * @mask_idx: mask index
2911  * @idx: index of the FV which will use the mask
2912  * @mask: the 16-bit mask
2913  */
2914 static void
2915 ice_write_prof_mask_reg(struct ice_hw *hw, enum ice_block blk, u16 mask_idx,
2916 			u16 idx, u16 mask)
2917 {
2918 	u32 offset;
2919 	u32 val;
2920 
2921 	switch (blk) {
2922 	case ICE_BLK_RSS:
2923 		offset = GLQF_HMASK(mask_idx);
2924 		val = (idx << GLQF_HMASK_MSK_INDEX_S) &
2925 			GLQF_HMASK_MSK_INDEX_M;
2926 		val |= (mask << GLQF_HMASK_MASK_S) & GLQF_HMASK_MASK_M;
2927 		break;
2928 	case ICE_BLK_FD:
2929 		offset = GLQF_FDMASK(mask_idx);
2930 		val = (idx << GLQF_FDMASK_MSK_INDEX_S) &
2931 			GLQF_FDMASK_MSK_INDEX_M;
2932 		val |= (mask << GLQF_FDMASK_MASK_S) &
2933 			GLQF_FDMASK_MASK_M;
2934 		break;
2935 	default:
2936 		ice_debug(hw, ICE_DBG_PKG, "No profile masks for block %d\n",
2937 			  blk);
2938 		return;
2939 	}
2940 
2941 	wr32(hw, offset, val);
2942 	ice_debug(hw, ICE_DBG_PKG, "write mask, blk %d (%d): %x = %x\n",
2943 		  blk, idx, offset, val);
2944 }
2945 
2946 /**
2947  * ice_write_prof_mask_enable_res - write profile mask enable register
2948  * @hw: pointer to the HW struct
2949  * @blk: hardware block
2950  * @prof_id: profile ID
2951  * @enable_mask: enable mask
2952  */
2953 static void
2954 ice_write_prof_mask_enable_res(struct ice_hw *hw, enum ice_block blk,
2955 			       u16 prof_id, u32 enable_mask)
2956 {
2957 	u32 offset;
2958 
2959 	switch (blk) {
2960 	case ICE_BLK_RSS:
2961 		offset = GLQF_HMASK_SEL(prof_id);
2962 		break;
2963 	case ICE_BLK_FD:
2964 		offset = GLQF_FDMASK_SEL(prof_id);
2965 		break;
2966 	default:
2967 		ice_debug(hw, ICE_DBG_PKG, "No profile masks for block %d\n",
2968 			  blk);
2969 		return;
2970 	}
2971 
2972 	wr32(hw, offset, enable_mask);
2973 	ice_debug(hw, ICE_DBG_PKG, "write mask enable, blk %d (%d): %x = %x\n",
2974 		  blk, prof_id, offset, enable_mask);
2975 }
2976 
2977 /**
2978  * ice_init_prof_masks - initial prof masks
2979  * @hw: pointer to the HW struct
2980  * @blk: hardware block
2981  */
2982 static void ice_init_prof_masks(struct ice_hw *hw, enum ice_block blk)
2983 {
2984 #define MAX_NUM_PORTS    8
2985 	u16 num_ports = MAX_NUM_PORTS;
2986 	u16 i;
2987 
2988 	ice_init_lock(&hw->blk[blk].masks.lock);
2989 
2990 	hw->blk[blk].masks.count = ICE_PROFILE_MASK_COUNT / num_ports;
2991 	hw->blk[blk].masks.first = hw->pf_id * hw->blk[blk].masks.count;
2992 
2993 	ice_memset(hw->blk[blk].masks.masks, 0,
2994 		   sizeof(hw->blk[blk].masks.masks), ICE_NONDMA_MEM);
2995 
2996 	for (i = hw->blk[blk].masks.first;
2997 	     i < hw->blk[blk].masks.first + hw->blk[blk].masks.count; i++)
2998 		ice_write_prof_mask_reg(hw, blk, i, 0, 0);
2999 }
3000 
3001 /**
3002  * ice_init_all_prof_masks - initial all prof masks
3003  * @hw: pointer to the HW struct
3004  */
3005 void ice_init_all_prof_masks(struct ice_hw *hw)
3006 {
3007 	ice_init_prof_masks(hw, ICE_BLK_RSS);
3008 	ice_init_prof_masks(hw, ICE_BLK_FD);
3009 }
3010 
3011 /**
3012  * ice_alloc_prof_mask - allocate profile mask
3013  * @hw: pointer to the HW struct
3014  * @blk: hardware block
3015  * @idx: index of FV which will use the mask
3016  * @mask: the 16-bit mask
3017  * @mask_idx: variable to receive the mask index
3018  */
3019 static enum ice_status
3020 ice_alloc_prof_mask(struct ice_hw *hw, enum ice_block blk, u16 idx, u16 mask,
3021 		    u16 *mask_idx)
3022 {
3023 	bool found_unused = false, found_copy = false;
3024 	enum ice_status status = ICE_ERR_MAX_LIMIT;
3025 	u16 unused_idx = 0, copy_idx = 0;
3026 	u16 i;
3027 
3028 	if (blk != ICE_BLK_RSS && blk != ICE_BLK_FD)
3029 		return ICE_ERR_PARAM;
3030 
3031 	ice_acquire_lock(&hw->blk[blk].masks.lock);
3032 
3033 	for (i = hw->blk[blk].masks.first;
3034 	     i < hw->blk[blk].masks.first + hw->blk[blk].masks.count; i++)
3035 		if (hw->blk[blk].masks.masks[i].in_use) {
3036 			/* if mask is in use and it exactly duplicates the
3037 			 * desired mask and index, then in can be reused
3038 			 */
3039 			if (hw->blk[blk].masks.masks[i].mask == mask &&
3040 			    hw->blk[blk].masks.masks[i].idx == idx) {
3041 				found_copy = true;
3042 				copy_idx = i;
3043 				break;
3044 			}
3045 		} else {
3046 			/* save off unused index, but keep searching in case
3047 			 * there is an exact match later on
3048 			 */
3049 			if (!found_unused) {
3050 				found_unused = true;
3051 				unused_idx = i;
3052 			}
3053 		}
3054 
3055 	if (found_copy)
3056 		i = copy_idx;
3057 	else if (found_unused)
3058 		i = unused_idx;
3059 	else
3060 		goto err_ice_alloc_prof_mask;
3061 
3062 	/* update mask for a new entry */
3063 	if (found_unused) {
3064 		hw->blk[blk].masks.masks[i].in_use = true;
3065 		hw->blk[blk].masks.masks[i].mask = mask;
3066 		hw->blk[blk].masks.masks[i].idx = idx;
3067 		hw->blk[blk].masks.masks[i].ref = 0;
3068 		ice_write_prof_mask_reg(hw, blk, i, idx, mask);
3069 	}
3070 
3071 	hw->blk[blk].masks.masks[i].ref++;
3072 	*mask_idx = i;
3073 	status = ICE_SUCCESS;
3074 
3075 err_ice_alloc_prof_mask:
3076 	ice_release_lock(&hw->blk[blk].masks.lock);
3077 
3078 	return status;
3079 }
3080 
3081 /**
3082  * ice_free_prof_mask - free profile mask
3083  * @hw: pointer to the HW struct
3084  * @blk: hardware block
3085  * @mask_idx: index of mask
3086  */
3087 static enum ice_status
3088 ice_free_prof_mask(struct ice_hw *hw, enum ice_block blk, u16 mask_idx)
3089 {
3090 	if (blk != ICE_BLK_RSS && blk != ICE_BLK_FD)
3091 		return ICE_ERR_PARAM;
3092 
3093 	if (!(mask_idx >= hw->blk[blk].masks.first &&
3094 	      mask_idx < hw->blk[blk].masks.first + hw->blk[blk].masks.count))
3095 		return ICE_ERR_DOES_NOT_EXIST;
3096 
3097 	ice_acquire_lock(&hw->blk[blk].masks.lock);
3098 
3099 	if (!hw->blk[blk].masks.masks[mask_idx].in_use)
3100 		goto exit_ice_free_prof_mask;
3101 
3102 	if (hw->blk[blk].masks.masks[mask_idx].ref > 1) {
3103 		hw->blk[blk].masks.masks[mask_idx].ref--;
3104 		goto exit_ice_free_prof_mask;
3105 	}
3106 
3107 	/* remove mask */
3108 	hw->blk[blk].masks.masks[mask_idx].in_use = false;
3109 	hw->blk[blk].masks.masks[mask_idx].mask = 0;
3110 	hw->blk[blk].masks.masks[mask_idx].idx = 0;
3111 
3112 	/* update mask as unused entry */
3113 	ice_debug(hw, ICE_DBG_PKG, "Free mask, blk %d, mask %d", blk, mask_idx);
3114 	ice_write_prof_mask_reg(hw, blk, mask_idx, 0, 0);
3115 
3116 exit_ice_free_prof_mask:
3117 	ice_release_lock(&hw->blk[blk].masks.lock);
3118 
3119 	return ICE_SUCCESS;
3120 }
3121 
3122 /**
3123  * ice_free_prof_masks - free all profile masks for a profile
3124  * @hw: pointer to the HW struct
3125  * @blk: hardware block
3126  * @prof_id: profile ID
3127  */
3128 static enum ice_status
3129 ice_free_prof_masks(struct ice_hw *hw, enum ice_block blk, u16 prof_id)
3130 {
3131 	u32 mask_bm;
3132 	u16 i;
3133 
3134 	if (blk != ICE_BLK_RSS && blk != ICE_BLK_FD)
3135 		return ICE_ERR_PARAM;
3136 
3137 	mask_bm = hw->blk[blk].es.mask_ena[prof_id];
3138 	for (i = 0; i < BITS_PER_BYTE * sizeof(mask_bm); i++)
3139 		if (mask_bm & BIT(i))
3140 			ice_free_prof_mask(hw, blk, i);
3141 
3142 	return ICE_SUCCESS;
3143 }
3144 
3145 /**
3146  * ice_shutdown_prof_masks - releases lock for masking
3147  * @hw: pointer to the HW struct
3148  * @blk: hardware block
3149  *
3150  * This should be called before unloading the driver
3151  */
3152 static void ice_shutdown_prof_masks(struct ice_hw *hw, enum ice_block blk)
3153 {
3154 	u16 i;
3155 
3156 	ice_acquire_lock(&hw->blk[blk].masks.lock);
3157 
3158 	for (i = hw->blk[blk].masks.first;
3159 	     i < hw->blk[blk].masks.first + hw->blk[blk].masks.count; i++) {
3160 		ice_write_prof_mask_reg(hw, blk, i, 0, 0);
3161 
3162 		hw->blk[blk].masks.masks[i].in_use = false;
3163 		hw->blk[blk].masks.masks[i].idx = 0;
3164 		hw->blk[blk].masks.masks[i].mask = 0;
3165 	}
3166 
3167 	ice_release_lock(&hw->blk[blk].masks.lock);
3168 	ice_destroy_lock(&hw->blk[blk].masks.lock);
3169 }
3170 
3171 /**
3172  * ice_shutdown_all_prof_masks - releases all locks for masking
3173  * @hw: pointer to the HW struct
3174  * @blk: hardware block
3175  *
3176  * This should be called before unloading the driver
3177  */
3178 void ice_shutdown_all_prof_masks(struct ice_hw *hw)
3179 {
3180 	ice_shutdown_prof_masks(hw, ICE_BLK_RSS);
3181 	ice_shutdown_prof_masks(hw, ICE_BLK_FD);
3182 }
3183 
3184 /**
3185  * ice_update_prof_masking - set registers according to masking
3186  * @hw: pointer to the HW struct
3187  * @blk: hardware block
3188  * @prof_id: profile ID
3189  * @es: field vector
3190  * @masks: masks
3191  */
3192 static enum ice_status
3193 ice_update_prof_masking(struct ice_hw *hw, enum ice_block blk, u16 prof_id,
3194 			struct ice_fv_word *es, u16 *masks)
3195 {
3196 	bool err = false;
3197 	u32 ena_mask = 0;
3198 	u16 idx;
3199 	u16 i;
3200 
3201 	/* Only support FD and RSS masking, otherwise nothing to be done */
3202 	if (blk != ICE_BLK_RSS && blk != ICE_BLK_FD)
3203 		return ICE_SUCCESS;
3204 
3205 	for (i = 0; i < hw->blk[blk].es.fvw; i++)
3206 		if (masks[i] && masks[i] != 0xFFFF) {
3207 			if (!ice_alloc_prof_mask(hw, blk, i, masks[i], &idx)) {
3208 				ena_mask |= BIT(idx);
3209 			} else {
3210 				/* not enough bitmaps */
3211 				err = true;
3212 				break;
3213 			}
3214 		}
3215 
3216 	if (err) {
3217 		/* free any bitmaps we have allocated */
3218 		for (i = 0; i < BITS_PER_BYTE * sizeof(ena_mask); i++)
3219 			if (ena_mask & BIT(i))
3220 				ice_free_prof_mask(hw, blk, i);
3221 
3222 		return ICE_ERR_OUT_OF_RANGE;
3223 	}
3224 
3225 	/* enable the masks for this profile */
3226 	ice_write_prof_mask_enable_res(hw, blk, prof_id, ena_mask);
3227 
3228 	/* store enabled masks with profile so that they can be freed later */
3229 	hw->blk[blk].es.mask_ena[prof_id] = ena_mask;
3230 
3231 	return ICE_SUCCESS;
3232 }
3233 
3234 /**
3235  * ice_write_es - write an extraction sequence to hardware
3236  * @hw: pointer to the HW struct
3237  * @blk: the block in which to write the extraction sequence
3238  * @prof_id: the profile ID to write
3239  * @fv: pointer to the extraction sequence to write - NULL to clear extraction
3240  */
3241 static void
3242 ice_write_es(struct ice_hw *hw, enum ice_block blk, u8 prof_id,
3243 	     struct ice_fv_word *fv)
3244 {
3245 	u16 off;
3246 
3247 	off = prof_id * hw->blk[blk].es.fvw;
3248 	if (!fv) {
3249 		ice_memset(&hw->blk[blk].es.t[off], 0, hw->blk[blk].es.fvw *
3250 			   sizeof(*fv), ICE_NONDMA_MEM);
3251 		hw->blk[blk].es.written[prof_id] = false;
3252 	} else {
3253 		ice_memcpy(&hw->blk[blk].es.t[off], fv, hw->blk[blk].es.fvw *
3254 			   sizeof(*fv), ICE_NONDMA_TO_NONDMA);
3255 	}
3256 }
3257 
3258 /**
3259  * ice_prof_dec_ref - decrement reference count for profile
3260  * @hw: pointer to the HW struct
3261  * @blk: the block from which to free the profile ID
3262  * @prof_id: the profile ID for which to decrement the reference count
3263  */
3264 static enum ice_status
3265 ice_prof_dec_ref(struct ice_hw *hw, enum ice_block blk, u8 prof_id)
3266 {
3267 	if (prof_id > hw->blk[blk].es.count)
3268 		return ICE_ERR_PARAM;
3269 
3270 	if (hw->blk[blk].es.ref_count[prof_id] > 0) {
3271 		if (!--hw->blk[blk].es.ref_count[prof_id]) {
3272 			ice_write_es(hw, blk, prof_id, NULL);
3273 			ice_free_prof_masks(hw, blk, prof_id);
3274 			return ice_free_prof_id(hw, blk, prof_id);
3275 		}
3276 	}
3277 
3278 	return ICE_SUCCESS;
3279 }
3280 
3281 /* Block / table section IDs */
3282 static const u32 ice_blk_sids[ICE_BLK_COUNT][ICE_SID_OFF_COUNT] = {
3283 	/* SWITCH */
3284 	{	ICE_SID_XLT1_SW,
3285 		ICE_SID_XLT2_SW,
3286 		ICE_SID_PROFID_TCAM_SW,
3287 		ICE_SID_PROFID_REDIR_SW,
3288 		ICE_SID_FLD_VEC_SW
3289 	},
3290 
3291 	/* ACL */
3292 	{	ICE_SID_XLT1_ACL,
3293 		ICE_SID_XLT2_ACL,
3294 		ICE_SID_PROFID_TCAM_ACL,
3295 		ICE_SID_PROFID_REDIR_ACL,
3296 		ICE_SID_FLD_VEC_ACL
3297 	},
3298 
3299 	/* FD */
3300 	{	ICE_SID_XLT1_FD,
3301 		ICE_SID_XLT2_FD,
3302 		ICE_SID_PROFID_TCAM_FD,
3303 		ICE_SID_PROFID_REDIR_FD,
3304 		ICE_SID_FLD_VEC_FD
3305 	},
3306 
3307 	/* RSS */
3308 	{	ICE_SID_XLT1_RSS,
3309 		ICE_SID_XLT2_RSS,
3310 		ICE_SID_PROFID_TCAM_RSS,
3311 		ICE_SID_PROFID_REDIR_RSS,
3312 		ICE_SID_FLD_VEC_RSS
3313 	},
3314 
3315 	/* PE */
3316 	{	ICE_SID_XLT1_PE,
3317 		ICE_SID_XLT2_PE,
3318 		ICE_SID_PROFID_TCAM_PE,
3319 		ICE_SID_PROFID_REDIR_PE,
3320 		ICE_SID_FLD_VEC_PE
3321 	}
3322 };
3323 
3324 /**
3325  * ice_init_sw_xlt1_db - init software XLT1 database from HW tables
3326  * @hw: pointer to the hardware structure
3327  * @blk: the HW block to initialize
3328  */
3329 static
3330 void ice_init_sw_xlt1_db(struct ice_hw *hw, enum ice_block blk)
3331 {
3332 	u16 pt;
3333 
3334 	for (pt = 0; pt < hw->blk[blk].xlt1.count; pt++) {
3335 		u8 ptg;
3336 
3337 		ptg = hw->blk[blk].xlt1.t[pt];
3338 		if (ptg != ICE_DEFAULT_PTG) {
3339 			ice_ptg_alloc_val(hw, blk, ptg);
3340 			ice_ptg_add_mv_ptype(hw, blk, pt, ptg);
3341 		}
3342 	}
3343 }
3344 
3345 /**
3346  * ice_init_sw_xlt2_db - init software XLT2 database from HW tables
3347  * @hw: pointer to the hardware structure
3348  * @blk: the HW block to initialize
3349  */
3350 static void ice_init_sw_xlt2_db(struct ice_hw *hw, enum ice_block blk)
3351 {
3352 	u16 vsi;
3353 
3354 	for (vsi = 0; vsi < hw->blk[blk].xlt2.count; vsi++) {
3355 		u16 vsig;
3356 
3357 		vsig = hw->blk[blk].xlt2.t[vsi];
3358 		if (vsig) {
3359 			ice_vsig_alloc_val(hw, blk, vsig);
3360 			ice_vsig_add_mv_vsi(hw, blk, vsi, vsig);
3361 			/* no changes at this time, since this has been
3362 			 * initialized from the original package
3363 			 */
3364 			hw->blk[blk].xlt2.vsis[vsi].changed = 0;
3365 		}
3366 	}
3367 }
3368 
3369 /**
3370  * ice_init_sw_db - init software database from HW tables
3371  * @hw: pointer to the hardware structure
3372  */
3373 static void ice_init_sw_db(struct ice_hw *hw)
3374 {
3375 	u16 i;
3376 
3377 	for (i = 0; i < ICE_BLK_COUNT; i++) {
3378 		ice_init_sw_xlt1_db(hw, (enum ice_block)i);
3379 		ice_init_sw_xlt2_db(hw, (enum ice_block)i);
3380 	}
3381 }
3382 
3383 /**
3384  * ice_fill_tbl - Reads content of a single table type into database
3385  * @hw: pointer to the hardware structure
3386  * @block_id: Block ID of the table to copy
3387  * @sid: Section ID of the table to copy
3388  *
3389  * Will attempt to read the entire content of a given table of a single block
3390  * into the driver database. We assume that the buffer will always
3391  * be as large or larger than the data contained in the package. If
3392  * this condition is not met, there is most likely an error in the package
3393  * contents.
3394  */
3395 static void ice_fill_tbl(struct ice_hw *hw, enum ice_block block_id, u32 sid)
3396 {
3397 	u32 dst_len, sect_len, offset = 0;
3398 	struct ice_prof_redir_section *pr;
3399 	struct ice_prof_id_section *pid;
3400 	struct ice_xlt1_section *xlt1;
3401 	struct ice_xlt2_section *xlt2;
3402 	struct ice_sw_fv_section *es;
3403 	struct ice_pkg_enum state;
3404 	u8 *src, *dst;
3405 	void *sect;
3406 
3407 	/* if the HW segment pointer is null then the first iteration of
3408 	 * ice_pkg_enum_section() will fail. In this case the HW tables will
3409 	 * not be filled and return success.
3410 	 */
3411 	if (!hw->seg) {
3412 		ice_debug(hw, ICE_DBG_PKG, "hw->seg is NULL, tables are not filled\n");
3413 		return;
3414 	}
3415 
3416 	ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM);
3417 
3418 	sect = ice_pkg_enum_section(hw->seg, &state, sid);
3419 
3420 	while (sect) {
3421 		switch (sid) {
3422 		case ICE_SID_XLT1_SW:
3423 		case ICE_SID_XLT1_FD:
3424 		case ICE_SID_XLT1_RSS:
3425 		case ICE_SID_XLT1_ACL:
3426 		case ICE_SID_XLT1_PE:
3427 			xlt1 = (struct ice_xlt1_section *)sect;
3428 			src = xlt1->value;
3429 			sect_len = LE16_TO_CPU(xlt1->count) *
3430 				sizeof(*hw->blk[block_id].xlt1.t);
3431 			dst = hw->blk[block_id].xlt1.t;
3432 			dst_len = hw->blk[block_id].xlt1.count *
3433 				sizeof(*hw->blk[block_id].xlt1.t);
3434 			break;
3435 		case ICE_SID_XLT2_SW:
3436 		case ICE_SID_XLT2_FD:
3437 		case ICE_SID_XLT2_RSS:
3438 		case ICE_SID_XLT2_ACL:
3439 		case ICE_SID_XLT2_PE:
3440 			xlt2 = (struct ice_xlt2_section *)sect;
3441 			src = (_FORCE_ u8 *)xlt2->value;
3442 			sect_len = LE16_TO_CPU(xlt2->count) *
3443 				sizeof(*hw->blk[block_id].xlt2.t);
3444 			dst = (u8 *)hw->blk[block_id].xlt2.t;
3445 			dst_len = hw->blk[block_id].xlt2.count *
3446 				sizeof(*hw->blk[block_id].xlt2.t);
3447 			break;
3448 		case ICE_SID_PROFID_TCAM_SW:
3449 		case ICE_SID_PROFID_TCAM_FD:
3450 		case ICE_SID_PROFID_TCAM_RSS:
3451 		case ICE_SID_PROFID_TCAM_ACL:
3452 		case ICE_SID_PROFID_TCAM_PE:
3453 			pid = (struct ice_prof_id_section *)sect;
3454 			src = (u8 *)pid->entry;
3455 			sect_len = LE16_TO_CPU(pid->count) *
3456 				sizeof(*hw->blk[block_id].prof.t);
3457 			dst = (u8 *)hw->blk[block_id].prof.t;
3458 			dst_len = hw->blk[block_id].prof.count *
3459 				sizeof(*hw->blk[block_id].prof.t);
3460 			break;
3461 		case ICE_SID_PROFID_REDIR_SW:
3462 		case ICE_SID_PROFID_REDIR_FD:
3463 		case ICE_SID_PROFID_REDIR_RSS:
3464 		case ICE_SID_PROFID_REDIR_ACL:
3465 		case ICE_SID_PROFID_REDIR_PE:
3466 			pr = (struct ice_prof_redir_section *)sect;
3467 			src = pr->redir_value;
3468 			sect_len = LE16_TO_CPU(pr->count) *
3469 				sizeof(*hw->blk[block_id].prof_redir.t);
3470 			dst = hw->blk[block_id].prof_redir.t;
3471 			dst_len = hw->blk[block_id].prof_redir.count *
3472 				sizeof(*hw->blk[block_id].prof_redir.t);
3473 			break;
3474 		case ICE_SID_FLD_VEC_SW:
3475 		case ICE_SID_FLD_VEC_FD:
3476 		case ICE_SID_FLD_VEC_RSS:
3477 		case ICE_SID_FLD_VEC_ACL:
3478 		case ICE_SID_FLD_VEC_PE:
3479 			es = (struct ice_sw_fv_section *)sect;
3480 			src = (u8 *)es->fv;
3481 			sect_len = (u32)(LE16_TO_CPU(es->count) *
3482 					 hw->blk[block_id].es.fvw) *
3483 				sizeof(*hw->blk[block_id].es.t);
3484 			dst = (u8 *)hw->blk[block_id].es.t;
3485 			dst_len = (u32)(hw->blk[block_id].es.count *
3486 					hw->blk[block_id].es.fvw) *
3487 				sizeof(*hw->blk[block_id].es.t);
3488 			break;
3489 		default:
3490 			return;
3491 		}
3492 
3493 		/* if the section offset exceeds destination length, terminate
3494 		 * table fill.
3495 		 */
3496 		if (offset > dst_len)
3497 			return;
3498 
3499 		/* if the sum of section size and offset exceed destination size
3500 		 * then we are out of bounds of the HW table size for that PF.
3501 		 * Changing section length to fill the remaining table space
3502 		 * of that PF.
3503 		 */
3504 		if ((offset + sect_len) > dst_len)
3505 			sect_len = dst_len - offset;
3506 
3507 		ice_memcpy(dst + offset, src, sect_len, ICE_NONDMA_TO_NONDMA);
3508 		offset += sect_len;
3509 		sect = ice_pkg_enum_section(NULL, &state, sid);
3510 	}
3511 }
3512 
3513 /**
3514  * ice_fill_blk_tbls - Read package context for tables
3515  * @hw: pointer to the hardware structure
3516  *
3517  * Reads the current package contents and populates the driver
3518  * database with the data iteratively for all advanced feature
3519  * blocks. Assume that the HW tables have been allocated.
3520  */
3521 void ice_fill_blk_tbls(struct ice_hw *hw)
3522 {
3523 	u8 i;
3524 
3525 	for (i = 0; i < ICE_BLK_COUNT; i++) {
3526 		enum ice_block blk_id = (enum ice_block)i;
3527 
3528 		ice_fill_tbl(hw, blk_id, hw->blk[blk_id].xlt1.sid);
3529 		ice_fill_tbl(hw, blk_id, hw->blk[blk_id].xlt2.sid);
3530 		ice_fill_tbl(hw, blk_id, hw->blk[blk_id].prof.sid);
3531 		ice_fill_tbl(hw, blk_id, hw->blk[blk_id].prof_redir.sid);
3532 		ice_fill_tbl(hw, blk_id, hw->blk[blk_id].es.sid);
3533 	}
3534 
3535 	ice_init_sw_db(hw);
3536 }
3537 
3538 /**
3539  * ice_free_prof_map - free profile map
3540  * @hw: pointer to the hardware structure
3541  * @blk_idx: HW block index
3542  */
3543 static void ice_free_prof_map(struct ice_hw *hw, u8 blk_idx)
3544 {
3545 	struct ice_es *es = &hw->blk[blk_idx].es;
3546 	struct ice_prof_map *del, *tmp;
3547 
3548 	ice_acquire_lock(&es->prof_map_lock);
3549 	LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &es->prof_map,
3550 				 ice_prof_map, list) {
3551 		LIST_DEL(&del->list);
3552 		ice_free(hw, del);
3553 	}
3554 	INIT_LIST_HEAD(&es->prof_map);
3555 	ice_release_lock(&es->prof_map_lock);
3556 }
3557 
3558 /**
3559  * ice_free_flow_profs - free flow profile entries
3560  * @hw: pointer to the hardware structure
3561  * @blk_idx: HW block index
3562  */
3563 static void ice_free_flow_profs(struct ice_hw *hw, u8 blk_idx)
3564 {
3565 	struct ice_flow_prof *p, *tmp;
3566 
3567 	ice_acquire_lock(&hw->fl_profs_locks[blk_idx]);
3568 	LIST_FOR_EACH_ENTRY_SAFE(p, tmp, &hw->fl_profs[blk_idx],
3569 				 ice_flow_prof, l_entry) {
3570 		struct ice_flow_entry *e, *t;
3571 
3572 		LIST_FOR_EACH_ENTRY_SAFE(e, t, &p->entries,
3573 					 ice_flow_entry, l_entry)
3574 			ice_flow_rem_entry(hw, ICE_FLOW_ENTRY_HNDL(e));
3575 
3576 		LIST_DEL(&p->l_entry);
3577 		if (p->acts)
3578 			ice_free(hw, p->acts);
3579 		ice_free(hw, p);
3580 	}
3581 	ice_release_lock(&hw->fl_profs_locks[blk_idx]);
3582 
3583 	/* if driver is in reset and tables are being cleared
3584 	 * re-initialize the flow profile list heads
3585 	 */
3586 	INIT_LIST_HEAD(&hw->fl_profs[blk_idx]);
3587 }
3588 
3589 /**
3590  * ice_free_vsig_tbl - free complete VSIG table entries
3591  * @hw: pointer to the hardware structure
3592  * @blk: the HW block on which to free the VSIG table entries
3593  */
3594 static void ice_free_vsig_tbl(struct ice_hw *hw, enum ice_block blk)
3595 {
3596 	u16 i;
3597 
3598 	if (!hw->blk[blk].xlt2.vsig_tbl)
3599 		return;
3600 
3601 	for (i = 1; i < ICE_MAX_VSIGS; i++)
3602 		if (hw->blk[blk].xlt2.vsig_tbl[i].in_use)
3603 			ice_vsig_free(hw, blk, i);
3604 }
3605 
3606 /**
3607  * ice_free_hw_tbls - free hardware table memory
3608  * @hw: pointer to the hardware structure
3609  */
3610 void ice_free_hw_tbls(struct ice_hw *hw)
3611 {
3612 	struct ice_rss_cfg *r, *rt;
3613 	u8 i;
3614 
3615 	for (i = 0; i < ICE_BLK_COUNT; i++) {
3616 		if (hw->blk[i].is_list_init) {
3617 			struct ice_es *es = &hw->blk[i].es;
3618 
3619 			ice_free_prof_map(hw, i);
3620 			ice_destroy_lock(&es->prof_map_lock);
3621 			ice_free_flow_profs(hw, i);
3622 			ice_destroy_lock(&hw->fl_profs_locks[i]);
3623 
3624 			hw->blk[i].is_list_init = false;
3625 		}
3626 		ice_free_vsig_tbl(hw, (enum ice_block)i);
3627 		ice_free(hw, hw->blk[i].xlt1.ptypes);
3628 		ice_free(hw, hw->blk[i].xlt1.ptg_tbl);
3629 		ice_free(hw, hw->blk[i].xlt1.t);
3630 		ice_free(hw, hw->blk[i].xlt2.t);
3631 		ice_free(hw, hw->blk[i].xlt2.vsig_tbl);
3632 		ice_free(hw, hw->blk[i].xlt2.vsis);
3633 		ice_free(hw, hw->blk[i].prof.t);
3634 		ice_free(hw, hw->blk[i].prof_redir.t);
3635 		ice_free(hw, hw->blk[i].es.t);
3636 		ice_free(hw, hw->blk[i].es.ref_count);
3637 		ice_free(hw, hw->blk[i].es.written);
3638 		ice_free(hw, hw->blk[i].es.mask_ena);
3639 	}
3640 
3641 	LIST_FOR_EACH_ENTRY_SAFE(r, rt, &hw->rss_list_head,
3642 				 ice_rss_cfg, l_entry) {
3643 		LIST_DEL(&r->l_entry);
3644 		ice_free(hw, r);
3645 	}
3646 	ice_destroy_lock(&hw->rss_locks);
3647 	ice_shutdown_all_prof_masks(hw);
3648 	ice_memset(hw->blk, 0, sizeof(hw->blk), ICE_NONDMA_MEM);
3649 }
3650 
3651 /**
3652  * ice_init_flow_profs - init flow profile locks and list heads
3653  * @hw: pointer to the hardware structure
3654  * @blk_idx: HW block index
3655  */
3656 static void ice_init_flow_profs(struct ice_hw *hw, u8 blk_idx)
3657 {
3658 	ice_init_lock(&hw->fl_profs_locks[blk_idx]);
3659 	INIT_LIST_HEAD(&hw->fl_profs[blk_idx]);
3660 }
3661 
3662 /**
3663  * ice_init_hw_tbls - init hardware table memory
3664  * @hw: pointer to the hardware structure
3665  */
3666 enum ice_status ice_init_hw_tbls(struct ice_hw *hw)
3667 {
3668 	u8 i;
3669 
3670 	ice_init_lock(&hw->rss_locks);
3671 	INIT_LIST_HEAD(&hw->rss_list_head);
3672 	ice_init_all_prof_masks(hw);
3673 	for (i = 0; i < ICE_BLK_COUNT; i++) {
3674 		struct ice_prof_redir *prof_redir = &hw->blk[i].prof_redir;
3675 		struct ice_prof_tcam *prof = &hw->blk[i].prof;
3676 		struct ice_xlt1 *xlt1 = &hw->blk[i].xlt1;
3677 		struct ice_xlt2 *xlt2 = &hw->blk[i].xlt2;
3678 		struct ice_es *es = &hw->blk[i].es;
3679 		u16 j;
3680 
3681 		if (hw->blk[i].is_list_init)
3682 			continue;
3683 
3684 		ice_init_flow_profs(hw, i);
3685 		ice_init_lock(&es->prof_map_lock);
3686 		INIT_LIST_HEAD(&es->prof_map);
3687 		hw->blk[i].is_list_init = true;
3688 
3689 		hw->blk[i].overwrite = blk_sizes[i].overwrite;
3690 		es->reverse = blk_sizes[i].reverse;
3691 
3692 		xlt1->sid = ice_blk_sids[i][ICE_SID_XLT1_OFF];
3693 		xlt1->count = blk_sizes[i].xlt1;
3694 
3695 		xlt1->ptypes = (struct ice_ptg_ptype *)
3696 			ice_calloc(hw, xlt1->count, sizeof(*xlt1->ptypes));
3697 
3698 		if (!xlt1->ptypes)
3699 			goto err;
3700 
3701 		xlt1->ptg_tbl = (struct ice_ptg_entry *)
3702 			ice_calloc(hw, ICE_MAX_PTGS, sizeof(*xlt1->ptg_tbl));
3703 
3704 		if (!xlt1->ptg_tbl)
3705 			goto err;
3706 
3707 		xlt1->t = (u8 *)ice_calloc(hw, xlt1->count, sizeof(*xlt1->t));
3708 		if (!xlt1->t)
3709 			goto err;
3710 
3711 		xlt2->sid = ice_blk_sids[i][ICE_SID_XLT2_OFF];
3712 		xlt2->count = blk_sizes[i].xlt2;
3713 
3714 		xlt2->vsis = (struct ice_vsig_vsi *)
3715 			ice_calloc(hw, xlt2->count, sizeof(*xlt2->vsis));
3716 
3717 		if (!xlt2->vsis)
3718 			goto err;
3719 
3720 		xlt2->vsig_tbl = (struct ice_vsig_entry *)
3721 			ice_calloc(hw, xlt2->count, sizeof(*xlt2->vsig_tbl));
3722 		if (!xlt2->vsig_tbl)
3723 			goto err;
3724 
3725 		for (j = 0; j < xlt2->count; j++)
3726 			INIT_LIST_HEAD(&xlt2->vsig_tbl[j].prop_lst);
3727 
3728 		xlt2->t = (u16 *)ice_calloc(hw, xlt2->count, sizeof(*xlt2->t));
3729 		if (!xlt2->t)
3730 			goto err;
3731 
3732 		prof->sid = ice_blk_sids[i][ICE_SID_PR_OFF];
3733 		prof->count = blk_sizes[i].prof_tcam;
3734 		prof->max_prof_id = blk_sizes[i].prof_id;
3735 		prof->cdid_bits = blk_sizes[i].prof_cdid_bits;
3736 		prof->t = (struct ice_prof_tcam_entry *)
3737 			ice_calloc(hw, prof->count, sizeof(*prof->t));
3738 
3739 		if (!prof->t)
3740 			goto err;
3741 
3742 		prof_redir->sid = ice_blk_sids[i][ICE_SID_PR_REDIR_OFF];
3743 		prof_redir->count = blk_sizes[i].prof_redir;
3744 		prof_redir->t = (u8 *)ice_calloc(hw, prof_redir->count,
3745 						 sizeof(*prof_redir->t));
3746 
3747 		if (!prof_redir->t)
3748 			goto err;
3749 
3750 		es->sid = ice_blk_sids[i][ICE_SID_ES_OFF];
3751 		es->count = blk_sizes[i].es;
3752 		es->fvw = blk_sizes[i].fvw;
3753 		es->t = (struct ice_fv_word *)
3754 			ice_calloc(hw, (u32)(es->count * es->fvw),
3755 				   sizeof(*es->t));
3756 		if (!es->t)
3757 			goto err;
3758 
3759 		es->ref_count = (u16 *)
3760 			ice_calloc(hw, es->count, sizeof(*es->ref_count));
3761 
3762 		es->written = (u8 *)
3763 			ice_calloc(hw, es->count, sizeof(*es->written));
3764 		es->mask_ena = (u32 *)
3765 			ice_calloc(hw, es->count, sizeof(*es->mask_ena));
3766 		if (!es->ref_count)
3767 			goto err;
3768 	}
3769 	return ICE_SUCCESS;
3770 
3771 err:
3772 	ice_free_hw_tbls(hw);
3773 	return ICE_ERR_NO_MEMORY;
3774 }
3775 
3776 /**
3777  * ice_prof_gen_key - generate profile ID key
3778  * @hw: pointer to the HW struct
3779  * @blk: the block in which to write profile ID to
3780  * @ptg: packet type group (PTG) portion of key
3781  * @vsig: VSIG portion of key
3782  * @cdid: cdid portion of key
3783  * @flags: flag portion of key
3784  * @vl_msk: valid mask
3785  * @dc_msk: don't care mask
3786  * @nm_msk: never match mask
3787  * @key: output of profile ID key
3788  */
3789 static enum ice_status
3790 ice_prof_gen_key(struct ice_hw *hw, enum ice_block blk, u8 ptg, u16 vsig,
3791 		 u8 cdid, u16 flags, u8 vl_msk[ICE_TCAM_KEY_VAL_SZ],
3792 		 u8 dc_msk[ICE_TCAM_KEY_VAL_SZ], u8 nm_msk[ICE_TCAM_KEY_VAL_SZ],
3793 		 u8 key[ICE_TCAM_KEY_SZ])
3794 {
3795 	struct ice_prof_id_key inkey;
3796 
3797 	inkey.xlt1 = ptg;
3798 	inkey.xlt2_cdid = CPU_TO_LE16(vsig);
3799 	inkey.flags = CPU_TO_LE16(flags);
3800 
3801 	switch (hw->blk[blk].prof.cdid_bits) {
3802 	case 0:
3803 		break;
3804 	case 2:
3805 #define ICE_CD_2_M 0xC000U
3806 #define ICE_CD_2_S 14
3807 		inkey.xlt2_cdid &= ~CPU_TO_LE16(ICE_CD_2_M);
3808 		inkey.xlt2_cdid |= CPU_TO_LE16(BIT(cdid) << ICE_CD_2_S);
3809 		break;
3810 	case 4:
3811 #define ICE_CD_4_M 0xF000U
3812 #define ICE_CD_4_S 12
3813 		inkey.xlt2_cdid &= ~CPU_TO_LE16(ICE_CD_4_M);
3814 		inkey.xlt2_cdid |= CPU_TO_LE16(BIT(cdid) << ICE_CD_4_S);
3815 		break;
3816 	case 8:
3817 #define ICE_CD_8_M 0xFF00U
3818 #define ICE_CD_8_S 16
3819 		inkey.xlt2_cdid &= ~CPU_TO_LE16(ICE_CD_8_M);
3820 		inkey.xlt2_cdid |= CPU_TO_LE16(BIT(cdid) << ICE_CD_8_S);
3821 		break;
3822 	default:
3823 		ice_debug(hw, ICE_DBG_PKG, "Error in profile config\n");
3824 		break;
3825 	};
3826 
3827 	return ice_set_key(key, ICE_TCAM_KEY_SZ, (u8 *)&inkey, vl_msk, dc_msk,
3828 			   nm_msk, 0, ICE_TCAM_KEY_SZ / 2);
3829 }
3830 
3831 /**
3832  * ice_tcam_write_entry - write TCAM entry
3833  * @hw: pointer to the HW struct
3834  * @blk: the block in which to write profile ID to
3835  * @idx: the entry index to write to
3836  * @prof_id: profile ID
3837  * @ptg: packet type group (PTG) portion of key
3838  * @vsig: VSIG portion of key
3839  * @cdid: cdid portion of key
3840  * @flags: flag portion of key
3841  * @vl_msk: valid mask
3842  * @dc_msk: don't care mask
3843  * @nm_msk: never match mask
3844  */
3845 static enum ice_status
3846 ice_tcam_write_entry(struct ice_hw *hw, enum ice_block blk, u16 idx,
3847 		     u8 prof_id, u8 ptg, u16 vsig, u8 cdid, u16 flags,
3848 		     u8 vl_msk[ICE_TCAM_KEY_VAL_SZ],
3849 		     u8 dc_msk[ICE_TCAM_KEY_VAL_SZ],
3850 		     u8 nm_msk[ICE_TCAM_KEY_VAL_SZ])
3851 {
3852 	struct ice_prof_tcam_entry;
3853 	enum ice_status status;
3854 
3855 	status = ice_prof_gen_key(hw, blk, ptg, vsig, cdid, flags, vl_msk,
3856 				  dc_msk, nm_msk, hw->blk[blk].prof.t[idx].key);
3857 	if (!status) {
3858 		hw->blk[blk].prof.t[idx].addr = CPU_TO_LE16(idx);
3859 		hw->blk[blk].prof.t[idx].prof_id = prof_id;
3860 	}
3861 
3862 	return status;
3863 }
3864 
3865 /**
3866  * ice_vsig_get_ref - returns number of VSIs belong to a VSIG
3867  * @hw: pointer to the hardware structure
3868  * @blk: HW block
3869  * @vsig: VSIG to query
3870  * @refs: pointer to variable to receive the reference count
3871  */
3872 static enum ice_status
3873 ice_vsig_get_ref(struct ice_hw *hw, enum ice_block blk, u16 vsig, u16 *refs)
3874 {
3875 	u16 idx = vsig & ICE_VSIG_IDX_M;
3876 	struct ice_vsig_vsi *ptr;
3877 	*refs = 0;
3878 
3879 	if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use)
3880 		return ICE_ERR_DOES_NOT_EXIST;
3881 
3882 	ptr = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
3883 	while (ptr) {
3884 		(*refs)++;
3885 		ptr = ptr->next_vsi;
3886 	}
3887 
3888 	return ICE_SUCCESS;
3889 }
3890 
3891 /**
3892  * ice_has_prof_vsig - check to see if VSIG has a specific profile
3893  * @hw: pointer to the hardware structure
3894  * @blk: HW block
3895  * @vsig: VSIG to check against
3896  * @hdl: profile handle
3897  */
3898 static bool
3899 ice_has_prof_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl)
3900 {
3901 	u16 idx = vsig & ICE_VSIG_IDX_M;
3902 	struct ice_vsig_prof *ent;
3903 
3904 	LIST_FOR_EACH_ENTRY(ent, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
3905 			    ice_vsig_prof, list) {
3906 		if (ent->profile_cookie == hdl)
3907 			return true;
3908 	}
3909 
3910 	ice_debug(hw, ICE_DBG_INIT,
3911 		  "Characteristic list for VSI group %d not found.\n",
3912 		  vsig);
3913 	return false;
3914 }
3915 
3916 /**
3917  * ice_prof_bld_es - build profile ID extraction sequence changes
3918  * @hw: pointer to the HW struct
3919  * @blk: hardware block
3920  * @bld: the update package buffer build to add to
3921  * @chgs: the list of changes to make in hardware
3922  */
3923 static enum ice_status
3924 ice_prof_bld_es(struct ice_hw *hw, enum ice_block blk,
3925 		struct ice_buf_build *bld, struct LIST_HEAD_TYPE *chgs)
3926 {
3927 	u16 vec_size = hw->blk[blk].es.fvw * sizeof(struct ice_fv_word);
3928 	struct ice_chs_chg *tmp;
3929 
3930 	LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry) {
3931 		if (tmp->type == ICE_PTG_ES_ADD && tmp->add_prof) {
3932 			u16 off = tmp->prof_id * hw->blk[blk].es.fvw;
3933 			struct ice_pkg_es *p;
3934 			u32 id;
3935 
3936 			id = ice_sect_id(blk, ICE_VEC_TBL);
3937 			p = (struct ice_pkg_es *)
3938 				ice_pkg_buf_alloc_section(bld, id, sizeof(*p) +
3939 							  vec_size -
3940 							  sizeof(p->es[0]));
3941 
3942 			if (!p)
3943 				return ICE_ERR_MAX_LIMIT;
3944 
3945 			p->count = CPU_TO_LE16(1);
3946 			p->offset = CPU_TO_LE16(tmp->prof_id);
3947 
3948 			ice_memcpy(p->es, &hw->blk[blk].es.t[off], vec_size,
3949 				   ICE_NONDMA_TO_NONDMA);
3950 		}
3951 	}
3952 
3953 	return ICE_SUCCESS;
3954 }
3955 
3956 /**
3957  * ice_prof_bld_tcam - build profile ID TCAM changes
3958  * @hw: pointer to the HW struct
3959  * @blk: hardware block
3960  * @bld: the update package buffer build to add to
3961  * @chgs: the list of changes to make in hardware
3962  */
3963 static enum ice_status
3964 ice_prof_bld_tcam(struct ice_hw *hw, enum ice_block blk,
3965 		  struct ice_buf_build *bld, struct LIST_HEAD_TYPE *chgs)
3966 {
3967 	struct ice_chs_chg *tmp;
3968 
3969 	LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry) {
3970 		if (tmp->type == ICE_TCAM_ADD && tmp->add_tcam_idx) {
3971 			struct ice_prof_id_section *p;
3972 			u32 id;
3973 
3974 			id = ice_sect_id(blk, ICE_PROF_TCAM);
3975 			p = (struct ice_prof_id_section *)
3976 				ice_pkg_buf_alloc_section(bld, id, sizeof(*p));
3977 
3978 			if (!p)
3979 				return ICE_ERR_MAX_LIMIT;
3980 
3981 			p->count = CPU_TO_LE16(1);
3982 			p->entry[0].addr = CPU_TO_LE16(tmp->tcam_idx);
3983 			p->entry[0].prof_id = tmp->prof_id;
3984 
3985 			ice_memcpy(p->entry[0].key,
3986 				   &hw->blk[blk].prof.t[tmp->tcam_idx].key,
3987 				   sizeof(hw->blk[blk].prof.t->key),
3988 				   ICE_NONDMA_TO_NONDMA);
3989 		}
3990 	}
3991 
3992 	return ICE_SUCCESS;
3993 }
3994 
3995 /**
3996  * ice_prof_bld_xlt1 - build XLT1 changes
3997  * @blk: hardware block
3998  * @bld: the update package buffer build to add to
3999  * @chgs: the list of changes to make in hardware
4000  */
4001 static enum ice_status
4002 ice_prof_bld_xlt1(enum ice_block blk, struct ice_buf_build *bld,
4003 		  struct LIST_HEAD_TYPE *chgs)
4004 {
4005 	struct ice_chs_chg *tmp;
4006 
4007 	LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry) {
4008 		if (tmp->type == ICE_PTG_ES_ADD && tmp->add_ptg) {
4009 			struct ice_xlt1_section *p;
4010 			u32 id;
4011 
4012 			id = ice_sect_id(blk, ICE_XLT1);
4013 			p = (struct ice_xlt1_section *)
4014 				ice_pkg_buf_alloc_section(bld, id, sizeof(*p));
4015 
4016 			if (!p)
4017 				return ICE_ERR_MAX_LIMIT;
4018 
4019 			p->count = CPU_TO_LE16(1);
4020 			p->offset = CPU_TO_LE16(tmp->ptype);
4021 			p->value[0] = tmp->ptg;
4022 		}
4023 	}
4024 
4025 	return ICE_SUCCESS;
4026 }
4027 
4028 /**
4029  * ice_prof_bld_xlt2 - build XLT2 changes
4030  * @blk: hardware block
4031  * @bld: the update package buffer build to add to
4032  * @chgs: the list of changes to make in hardware
4033  */
4034 static enum ice_status
4035 ice_prof_bld_xlt2(enum ice_block blk, struct ice_buf_build *bld,
4036 		  struct LIST_HEAD_TYPE *chgs)
4037 {
4038 	struct ice_chs_chg *tmp;
4039 
4040 	LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry) {
4041 		bool found = false;
4042 
4043 		if (tmp->type == ICE_VSIG_ADD)
4044 			found = true;
4045 		else if (tmp->type == ICE_VSI_MOVE)
4046 			found = true;
4047 		else if (tmp->type == ICE_VSIG_REM)
4048 			found = true;
4049 
4050 		if (found) {
4051 			struct ice_xlt2_section *p;
4052 			u32 id;
4053 
4054 			id = ice_sect_id(blk, ICE_XLT2);
4055 			p = (struct ice_xlt2_section *)
4056 				ice_pkg_buf_alloc_section(bld, id, sizeof(*p));
4057 
4058 			if (!p)
4059 				return ICE_ERR_MAX_LIMIT;
4060 
4061 			p->count = CPU_TO_LE16(1);
4062 			p->offset = CPU_TO_LE16(tmp->vsi);
4063 			p->value[0] = CPU_TO_LE16(tmp->vsig);
4064 		}
4065 	}
4066 
4067 	return ICE_SUCCESS;
4068 }
4069 
4070 /**
4071  * ice_upd_prof_hw - update hardware using the change list
4072  * @hw: pointer to the HW struct
4073  * @blk: hardware block
4074  * @chgs: the list of changes to make in hardware
4075  */
4076 static enum ice_status
4077 ice_upd_prof_hw(struct ice_hw *hw, enum ice_block blk,
4078 		struct LIST_HEAD_TYPE *chgs)
4079 {
4080 	struct ice_buf_build *b;
4081 	struct ice_chs_chg *tmp;
4082 	enum ice_status status;
4083 	u16 pkg_sects = 0;
4084 	u16 sects = 0;
4085 	u16 xlt1 = 0;
4086 	u16 xlt2 = 0;
4087 	u16 tcam = 0;
4088 	u16 es = 0;
4089 
4090 	/* count number of sections we need */
4091 	LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry) {
4092 		switch (tmp->type) {
4093 		case ICE_PTG_ES_ADD:
4094 			if (tmp->add_ptg)
4095 				xlt1++;
4096 			if (tmp->add_prof)
4097 				es++;
4098 			break;
4099 		case ICE_TCAM_ADD:
4100 			tcam++;
4101 			break;
4102 		case ICE_VSIG_ADD:
4103 		case ICE_VSI_MOVE:
4104 		case ICE_VSIG_REM:
4105 			xlt2++;
4106 			break;
4107 		default:
4108 			break;
4109 		}
4110 	}
4111 	sects = xlt1 + xlt2 + tcam + es;
4112 
4113 	if (!sects)
4114 		return ICE_SUCCESS;
4115 
4116 	/* Build update package buffer */
4117 	b = ice_pkg_buf_alloc(hw);
4118 	if (!b)
4119 		return ICE_ERR_NO_MEMORY;
4120 
4121 	status = ice_pkg_buf_reserve_section(b, sects);
4122 	if (status)
4123 		goto error_tmp;
4124 
4125 	/* Preserve order of table update: ES, TCAM, PTG, VSIG */
4126 	if (es) {
4127 		status = ice_prof_bld_es(hw, blk, b, chgs);
4128 		if (status)
4129 			goto error_tmp;
4130 	}
4131 
4132 	if (tcam) {
4133 		status = ice_prof_bld_tcam(hw, blk, b, chgs);
4134 		if (status)
4135 			goto error_tmp;
4136 	}
4137 
4138 	if (xlt1) {
4139 		status = ice_prof_bld_xlt1(blk, b, chgs);
4140 		if (status)
4141 			goto error_tmp;
4142 	}
4143 
4144 	if (xlt2) {
4145 		status = ice_prof_bld_xlt2(blk, b, chgs);
4146 		if (status)
4147 			goto error_tmp;
4148 	}
4149 
4150 	/* After package buffer build check if the section count in buffer is
4151 	 * non-zero and matches the number of sections detected for package
4152 	 * update.
4153 	 */
4154 	pkg_sects = ice_pkg_buf_get_active_sections(b);
4155 	if (!pkg_sects || pkg_sects != sects) {
4156 		status = ICE_ERR_INVAL_SIZE;
4157 		goto error_tmp;
4158 	}
4159 
4160 	/* update package */
4161 	status = ice_update_pkg(hw, ice_pkg_buf(b), 1);
4162 	if (status == ICE_ERR_AQ_ERROR)
4163 		ice_debug(hw, ICE_DBG_INIT, "Unable to update HW profile.");
4164 
4165 error_tmp:
4166 	ice_pkg_buf_free(hw, b);
4167 	return status;
4168 }
4169 
4170 /**
4171  * ice_update_fd_mask - set Flow Director Field Vector mask for a profile
4172  * @hw: pointer to the HW struct
4173  * @prof_id: profile ID
4174  * @mask_sel: mask select
4175  *
4176  * This function enable any of the masks selected by the mask select parameter
4177  * for the profile specified.
4178  */
4179 static void ice_update_fd_mask(struct ice_hw *hw, u16 prof_id, u32 mask_sel)
4180 {
4181 	wr32(hw, GLQF_FDMASK_SEL(prof_id), mask_sel);
4182 
4183 	ice_debug(hw, ICE_DBG_INIT, "fd mask(%d): %x = %x\n", prof_id,
4184 		  GLQF_FDMASK_SEL(prof_id), mask_sel);
4185 }
4186 
4187 #define ICE_SRC_DST_MAX_COUNT	8
4188 
4189 struct ice_fd_src_dst_pair {
4190 	u8 prot_id;
4191 	u8 count;
4192 	u16 off;
4193 };
4194 
4195 static const struct ice_fd_src_dst_pair ice_fd_pairs[] = {
4196 	/* These are defined in pairs */
4197 	{ ICE_PROT_IPV4_OF_OR_S, 2, 12 },
4198 	{ ICE_PROT_IPV4_OF_OR_S, 2, 16 },
4199 
4200 	{ ICE_PROT_IPV4_IL, 2, 12 },
4201 	{ ICE_PROT_IPV4_IL, 2, 16 },
4202 
4203 	{ ICE_PROT_IPV6_OF_OR_S, 8, 8 },
4204 	{ ICE_PROT_IPV6_OF_OR_S, 8, 24 },
4205 
4206 	{ ICE_PROT_IPV6_IL, 8, 8 },
4207 	{ ICE_PROT_IPV6_IL, 8, 24 },
4208 
4209 	{ ICE_PROT_TCP_IL, 1, 0 },
4210 	{ ICE_PROT_TCP_IL, 1, 2 },
4211 
4212 	{ ICE_PROT_UDP_OF, 1, 0 },
4213 	{ ICE_PROT_UDP_OF, 1, 2 },
4214 
4215 	{ ICE_PROT_UDP_IL_OR_S, 1, 0 },
4216 	{ ICE_PROT_UDP_IL_OR_S, 1, 2 },
4217 
4218 	{ ICE_PROT_SCTP_IL, 1, 0 },
4219 	{ ICE_PROT_SCTP_IL, 1, 2 }
4220 };
4221 
4222 #define ICE_FD_SRC_DST_PAIR_COUNT	ARRAY_SIZE(ice_fd_pairs)
4223 
4224 /**
4225  * ice_update_fd_swap - set register appropriately for a FD FV extraction
4226  * @hw: pointer to the HW struct
4227  * @prof_id: profile ID
4228  * @es: extraction sequence (length of array is determined by the block)
4229  */
4230 static enum ice_status
4231 ice_update_fd_swap(struct ice_hw *hw, u16 prof_id, struct ice_fv_word *es)
4232 {
4233 	ice_declare_bitmap(pair_list, ICE_FD_SRC_DST_PAIR_COUNT);
4234 	u8 pair_start[ICE_FD_SRC_DST_PAIR_COUNT] = { 0 };
4235 #define ICE_FD_FV_NOT_FOUND (-2)
4236 	s8 first_free = ICE_FD_FV_NOT_FOUND;
4237 	u8 used[ICE_MAX_FV_WORDS] = { 0 };
4238 	s8 orig_free, si;
4239 	u32 mask_sel = 0;
4240 	u8 i, j, k;
4241 
4242 	ice_zero_bitmap(pair_list, ICE_FD_SRC_DST_PAIR_COUNT);
4243 
4244 	ice_init_fd_mask_regs(hw);
4245 
4246 	/* This code assumes that the Flow Director field vectors are assigned
4247 	 * from the end of the FV indexes working towards the zero index, that
4248 	 * only complete fields will be included and will be consecutive, and
4249 	 * that there are no gaps between valid indexes.
4250 	 */
4251 
4252 	/* Determine swap fields present */
4253 	for (i = 0; i < hw->blk[ICE_BLK_FD].es.fvw; i++) {
4254 		/* Find the first free entry, assuming right to left population.
4255 		 * This is where we can start adding additional pairs if needed.
4256 		 */
4257 		if (first_free == ICE_FD_FV_NOT_FOUND && es[i].prot_id !=
4258 		    ICE_PROT_INVALID)
4259 			first_free = i - 1;
4260 
4261 		for (j = 0; j < ICE_FD_SRC_DST_PAIR_COUNT; j++) {
4262 			if (es[i].prot_id == ice_fd_pairs[j].prot_id &&
4263 			    es[i].off == ice_fd_pairs[j].off) {
4264 				ice_set_bit(j, pair_list);
4265 				pair_start[j] = i;
4266 			}
4267 		}
4268 	}
4269 
4270 	orig_free = first_free;
4271 
4272 	/* determine missing swap fields that need to be added */
4273 	for (i = 0; i < ICE_FD_SRC_DST_PAIR_COUNT; i += 2) {
4274 		u8 bit1 = ice_is_bit_set(pair_list, i + 1);
4275 		u8 bit0 = ice_is_bit_set(pair_list, i);
4276 
4277 		if (bit0 ^ bit1) {
4278 			u8 index;
4279 
4280 			/* add the appropriate 'paired' entry */
4281 			if (!bit0)
4282 				index = i;
4283 			else
4284 				index = i + 1;
4285 
4286 			/* check for room */
4287 			if (first_free + 1 < (s8)ice_fd_pairs[index].count)
4288 				return ICE_ERR_MAX_LIMIT;
4289 
4290 			/* place in extraction sequence */
4291 			for (k = 0; k < ice_fd_pairs[index].count; k++) {
4292 				es[first_free - k].prot_id =
4293 					ice_fd_pairs[index].prot_id;
4294 				es[first_free - k].off =
4295 					ice_fd_pairs[index].off + (k * 2);
4296 
4297 				if (k > first_free)
4298 					return ICE_ERR_OUT_OF_RANGE;
4299 
4300 				/* keep track of non-relevant fields */
4301 				mask_sel |= 1 << (first_free - k);
4302 			}
4303 
4304 			pair_start[index] = first_free;
4305 			first_free -= ice_fd_pairs[index].count;
4306 		}
4307 	}
4308 
4309 	/* fill in the swap array */
4310 	si = hw->blk[ICE_BLK_FD].es.fvw - 1;
4311 	while (si >= 0) {
4312 		u8 indexes_used = 1;
4313 
4314 		/* assume flat at this index */
4315 #define ICE_SWAP_VALID	0x80
4316 		used[si] = si | ICE_SWAP_VALID;
4317 
4318 		if (orig_free == ICE_FD_FV_NOT_FOUND || si <= orig_free) {
4319 			si -= indexes_used;
4320 			continue;
4321 		}
4322 
4323 		/* check for a swap location */
4324 		for (j = 0; j < ICE_FD_SRC_DST_PAIR_COUNT; j++) {
4325 			if (es[si].prot_id == ice_fd_pairs[j].prot_id &&
4326 			    es[si].off == ice_fd_pairs[j].off) {
4327 				u8 idx;
4328 
4329 				/* determine the appropriate matching field */
4330 				idx = j + ((j % 2) ? -1 : 1);
4331 
4332 				indexes_used = ice_fd_pairs[idx].count;
4333 				for (k = 0; k < indexes_used; k++) {
4334 					used[si - k] = (pair_start[idx] - k) |
4335 						ICE_SWAP_VALID;
4336 				}
4337 
4338 				break;
4339 			}
4340 		}
4341 
4342 		si -= indexes_used;
4343 	}
4344 
4345 	/* for each set of 4 swap indexes, write the appropriate register */
4346 	for (j = 0; j < hw->blk[ICE_BLK_FD].es.fvw / 4; j++) {
4347 		u32 raw_entry = 0;
4348 
4349 		for (k = 0; k < 4; k++) {
4350 			u8 idx;
4351 
4352 			idx = (j * 4) + k;
4353 			if (used[idx])
4354 				raw_entry |= used[idx] << (k * BITS_PER_BYTE);
4355 		}
4356 
4357 		/* write the appropriate register set, based on HW block */
4358 		wr32(hw, GLQF_FDSWAP(prof_id, j), raw_entry);
4359 
4360 		ice_debug(hw, ICE_DBG_INIT, "swap wr(%d, %d): %x = %x\n",
4361 			  prof_id, j, GLQF_FDSWAP(prof_id, j), raw_entry);
4362 	}
4363 
4364 	/* update the masks for this profile to be sure we ignore fields that
4365 	 * are not relevant to our match criteria
4366 	 */
4367 	ice_update_fd_mask(hw, prof_id, mask_sel);
4368 
4369 	return ICE_SUCCESS;
4370 }
4371 
4372 /**
4373  * ice_add_prof_with_mask - add profile
4374  * @hw: pointer to the HW struct
4375  * @blk: hardware block
4376  * @id: profile tracking ID
4377  * @ptypes: array of bitmaps indicating ptypes (ICE_FLOW_PTYPE_MAX bits)
4378  * @es: extraction sequence (length of array is determined by the block)
4379  * @masks: extraction sequence (length of array is determined by the block)
4380  *
4381  * This function registers a profile, which matches a set of PTYPES with a
4382  * particular extraction sequence. While the hardware profile is allocated
4383  * it will not be written until the first call to ice_add_flow that specifies
4384  * the ID value used here.
4385  */
4386 enum ice_status
4387 ice_add_prof_with_mask(struct ice_hw *hw, enum ice_block blk, u64 id,
4388 		       u8 ptypes[], struct ice_fv_word *es, u16 *masks)
4389 {
4390 	u32 bytes = DIVIDE_AND_ROUND_UP(ICE_FLOW_PTYPE_MAX, BITS_PER_BYTE);
4391 	ice_declare_bitmap(ptgs_used, ICE_XLT1_CNT);
4392 	struct ice_prof_map *prof;
4393 	enum ice_status status;
4394 	u32 byte = 0;
4395 	u8 prof_id;
4396 
4397 	ice_zero_bitmap(ptgs_used, ICE_XLT1_CNT);
4398 
4399 	ice_acquire_lock(&hw->blk[blk].es.prof_map_lock);
4400 
4401 	/* search for existing profile */
4402 	status = ice_find_prof_id_with_mask(hw, blk, es, masks, &prof_id);
4403 	if (status) {
4404 		/* allocate profile ID */
4405 		status = ice_alloc_prof_id(hw, blk, &prof_id);
4406 		if (status)
4407 			goto err_ice_add_prof;
4408 		if (blk == ICE_BLK_FD) {
4409 			/* For Flow Director block, the extraction sequence may
4410 			 * need to be altered in the case where there are paired
4411 			 * fields that have no match. This is necessary because
4412 			 * for Flow Director, src and dest fields need to paired
4413 			 * for filter programming and these values are swapped
4414 			 * during Tx.
4415 			 */
4416 			status = ice_update_fd_swap(hw, prof_id, es);
4417 			if (status)
4418 				goto err_ice_add_prof;
4419 		}
4420 		status = ice_update_prof_masking(hw, blk, prof_id, es, masks);
4421 		if (status)
4422 			goto err_ice_add_prof;
4423 
4424 		/* and write new es */
4425 		ice_write_es(hw, blk, prof_id, es);
4426 	}
4427 
4428 	ice_prof_inc_ref(hw, blk, prof_id);
4429 
4430 	/* add profile info */
4431 
4432 	prof = (struct ice_prof_map *)ice_malloc(hw, sizeof(*prof));
4433 	if (!prof)
4434 		goto err_ice_add_prof;
4435 
4436 	prof->profile_cookie = id;
4437 	prof->prof_id = prof_id;
4438 	prof->ptg_cnt = 0;
4439 	prof->context = 0;
4440 
4441 	/* build list of ptgs */
4442 	while (bytes && prof->ptg_cnt < ICE_MAX_PTG_PER_PROFILE) {
4443 		u32 bit;
4444 
4445 		if (!ptypes[byte]) {
4446 			bytes--;
4447 			byte++;
4448 			continue;
4449 		}
4450 		/* Examine 8 bits per byte */
4451 		for (bit = 0; bit < 8; bit++) {
4452 			if (ptypes[byte] & BIT(bit)) {
4453 				u16 ptype;
4454 				u8 ptg;
4455 				u8 m;
4456 
4457 				ptype = byte * BITS_PER_BYTE + bit;
4458 
4459 				/* The package should place all ptypes in a
4460 				 * non-zero PTG, so the following call should
4461 				 * never fail.
4462 				 */
4463 				if (ice_ptg_find_ptype(hw, blk, ptype, &ptg))
4464 					continue;
4465 
4466 				/* If PTG is already added, skip and continue */
4467 				if (ice_is_bit_set(ptgs_used, ptg))
4468 					continue;
4469 
4470 				ice_set_bit(ptg, ptgs_used);
4471 				prof->ptg[prof->ptg_cnt] = ptg;
4472 
4473 				if (++prof->ptg_cnt >= ICE_MAX_PTG_PER_PROFILE)
4474 					break;
4475 
4476 				/* nothing left in byte, then exit */
4477 				m = ~((1 << (bit + 1)) - 1);
4478 				if (!(ptypes[byte] & m))
4479 					break;
4480 			}
4481 		}
4482 
4483 		bytes--;
4484 		byte++;
4485 	}
4486 
4487 	LIST_ADD(&prof->list, &hw->blk[blk].es.prof_map);
4488 	status = ICE_SUCCESS;
4489 
4490 err_ice_add_prof:
4491 	ice_release_lock(&hw->blk[blk].es.prof_map_lock);
4492 	return status;
4493 }
4494 
4495 /**
4496  * ice_add_prof - add profile
4497  * @hw: pointer to the HW struct
4498  * @blk: hardware block
4499  * @id: profile tracking ID
4500  * @ptypes: array of bitmaps indicating ptypes (ICE_FLOW_PTYPE_MAX bits)
4501  * @es: extraction sequence (length of array is determined by the block)
4502  *
4503  * This function registers a profile, which matches a set of PTGs with a
4504  * particular extraction sequence. While the hardware profile is allocated
4505  * it will not be written until the first call to ice_add_flow that specifies
4506  * the ID value used here.
4507  */
4508 enum ice_status
4509 ice_add_prof(struct ice_hw *hw, enum ice_block blk, u64 id, u8 ptypes[],
4510 	     struct ice_fv_word *es)
4511 {
4512 	u32 bytes = DIVIDE_AND_ROUND_UP(ICE_FLOW_PTYPE_MAX, BITS_PER_BYTE);
4513 	ice_declare_bitmap(ptgs_used, ICE_XLT1_CNT);
4514 	struct ice_prof_map *prof;
4515 	enum ice_status status;
4516 	u32 byte = 0;
4517 	u8 prof_id;
4518 
4519 	ice_zero_bitmap(ptgs_used, ICE_XLT1_CNT);
4520 
4521 	ice_acquire_lock(&hw->blk[blk].es.prof_map_lock);
4522 
4523 	/* search for existing profile */
4524 	status = ice_find_prof_id(hw, blk, es, &prof_id);
4525 	if (status) {
4526 		/* allocate profile ID */
4527 		status = ice_alloc_prof_id(hw, blk, &prof_id);
4528 		if (status)
4529 			goto err_ice_add_prof;
4530 		if (blk == ICE_BLK_FD) {
4531 			/* For Flow Director block, the extraction sequence may
4532 			 * need to be altered in the case where there are paired
4533 			 * fields that have no match. This is necessary because
4534 			 * for Flow Director, src and dest fields need to paired
4535 			 * for filter programming and these values are swapped
4536 			 * during Tx.
4537 			 */
4538 			status = ice_update_fd_swap(hw, prof_id, es);
4539 			if (status)
4540 				goto err_ice_add_prof;
4541 		}
4542 
4543 		/* and write new es */
4544 		ice_write_es(hw, blk, prof_id, es);
4545 	}
4546 
4547 	ice_prof_inc_ref(hw, blk, prof_id);
4548 
4549 	/* add profile info */
4550 
4551 	prof = (struct ice_prof_map *)ice_malloc(hw, sizeof(*prof));
4552 	if (!prof)
4553 		goto err_ice_add_prof;
4554 
4555 	prof->profile_cookie = id;
4556 	prof->prof_id = prof_id;
4557 	prof->ptg_cnt = 0;
4558 	prof->context = 0;
4559 
4560 	/* build list of ptgs */
4561 	while (bytes && prof->ptg_cnt < ICE_MAX_PTG_PER_PROFILE) {
4562 		u32 bit;
4563 
4564 		if (!ptypes[byte]) {
4565 			bytes--;
4566 			byte++;
4567 			continue;
4568 		}
4569 		/* Examine 8 bits per byte */
4570 		for (bit = 0; bit < 8; bit++) {
4571 			if (ptypes[byte] & BIT(bit)) {
4572 				u16 ptype;
4573 				u8 ptg;
4574 				u8 m;
4575 
4576 				ptype = byte * BITS_PER_BYTE + bit;
4577 
4578 				/* The package should place all ptypes in a
4579 				 * non-zero PTG, so the following call should
4580 				 * never fail.
4581 				 */
4582 				if (ice_ptg_find_ptype(hw, blk, ptype, &ptg))
4583 					continue;
4584 
4585 				/* If PTG is already added, skip and continue */
4586 				if (ice_is_bit_set(ptgs_used, ptg))
4587 					continue;
4588 
4589 				ice_set_bit(ptg, ptgs_used);
4590 				prof->ptg[prof->ptg_cnt] = ptg;
4591 
4592 				if (++prof->ptg_cnt >= ICE_MAX_PTG_PER_PROFILE)
4593 					break;
4594 
4595 				/* nothing left in byte, then exit */
4596 				m = ~((1 << (bit + 1)) - 1);
4597 				if (!(ptypes[byte] & m))
4598 					break;
4599 			}
4600 		}
4601 
4602 		bytes--;
4603 		byte++;
4604 	}
4605 
4606 	LIST_ADD(&prof->list, &hw->blk[blk].es.prof_map);
4607 	status = ICE_SUCCESS;
4608 
4609 err_ice_add_prof:
4610 	ice_release_lock(&hw->blk[blk].es.prof_map_lock);
4611 	return status;
4612 }
4613 
4614 /**
4615  * ice_search_prof_id_low - Search for a profile tracking ID low level
4616  * @hw: pointer to the HW struct
4617  * @blk: hardware block
4618  * @id: profile tracking ID
4619  *
4620  * This will search for a profile tracking ID which was previously added. This
4621  * version assumes that the caller has already acquired the prof map lock.
4622  */
4623 static struct ice_prof_map *
4624 ice_search_prof_id_low(struct ice_hw *hw, enum ice_block blk, u64 id)
4625 {
4626 	struct ice_prof_map *entry = NULL;
4627 	struct ice_prof_map *map;
4628 
4629 	LIST_FOR_EACH_ENTRY(map, &hw->blk[blk].es.prof_map, ice_prof_map,
4630 			    list) {
4631 		if (map->profile_cookie == id) {
4632 			entry = map;
4633 			break;
4634 		}
4635 	}
4636 
4637 	return entry;
4638 }
4639 
4640 /**
4641  * ice_search_prof_id - Search for a profile tracking ID
4642  * @hw: pointer to the HW struct
4643  * @blk: hardware block
4644  * @id: profile tracking ID
4645  *
4646  * This will search for a profile tracking ID which was previously added.
4647  */
4648 struct ice_prof_map *
4649 ice_search_prof_id(struct ice_hw *hw, enum ice_block blk, u64 id)
4650 {
4651 	struct ice_prof_map *entry;
4652 
4653 	ice_acquire_lock(&hw->blk[blk].es.prof_map_lock);
4654 	entry = ice_search_prof_id_low(hw, blk, id);
4655 	ice_release_lock(&hw->blk[blk].es.prof_map_lock);
4656 
4657 	return entry;
4658 }
4659 
4660 /**
4661  * ice_vsig_prof_id_count - count profiles in a VSIG
4662  * @hw: pointer to the HW struct
4663  * @blk: hardware block
4664  * @vsig: VSIG to remove the profile from
4665  */
4666 static u16
4667 ice_vsig_prof_id_count(struct ice_hw *hw, enum ice_block blk, u16 vsig)
4668 {
4669 	u16 idx = vsig & ICE_VSIG_IDX_M, count = 0;
4670 	struct ice_vsig_prof *p;
4671 
4672 	LIST_FOR_EACH_ENTRY(p, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
4673 			    ice_vsig_prof, list) {
4674 		count++;
4675 	}
4676 
4677 	return count;
4678 }
4679 
4680 /**
4681  * ice_rel_tcam_idx - release a TCAM index
4682  * @hw: pointer to the HW struct
4683  * @blk: hardware block
4684  * @idx: the index to release
4685  */
4686 static enum ice_status
4687 ice_rel_tcam_idx(struct ice_hw *hw, enum ice_block blk, u16 idx)
4688 {
4689 	/* Masks to invoke a never match entry */
4690 	u8 vl_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
4691 	u8 dc_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFE, 0xFF, 0xFF, 0xFF, 0xFF };
4692 	u8 nm_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x01, 0x00, 0x00, 0x00, 0x00 };
4693 	enum ice_status status;
4694 
4695 	/* write the TCAM entry */
4696 	status = ice_tcam_write_entry(hw, blk, idx, 0, 0, 0, 0, 0, vl_msk,
4697 				      dc_msk, nm_msk);
4698 	if (status)
4699 		return status;
4700 
4701 	/* release the TCAM entry */
4702 	status = ice_free_tcam_ent(hw, blk, idx);
4703 
4704 	return status;
4705 }
4706 
4707 /**
4708  * ice_rem_prof_id - remove one profile from a VSIG
4709  * @hw: pointer to the HW struct
4710  * @blk: hardware block
4711  * @prof: pointer to profile structure to remove
4712  */
4713 static enum ice_status
4714 ice_rem_prof_id(struct ice_hw *hw, enum ice_block blk,
4715 		struct ice_vsig_prof *prof)
4716 {
4717 	enum ice_status status;
4718 	u16 i;
4719 
4720 	for (i = 0; i < prof->tcam_count; i++) {
4721 		if (prof->tcam[i].in_use) {
4722 			prof->tcam[i].in_use = false;
4723 			status = ice_rel_tcam_idx(hw, blk,
4724 						  prof->tcam[i].tcam_idx);
4725 			if (status)
4726 				return ICE_ERR_HW_TABLE;
4727 		}
4728 	}
4729 
4730 	return ICE_SUCCESS;
4731 }
4732 
4733 /**
4734  * ice_rem_vsig - remove VSIG
4735  * @hw: pointer to the HW struct
4736  * @blk: hardware block
4737  * @vsig: the VSIG to remove
4738  * @chg: the change list
4739  */
4740 static enum ice_status
4741 ice_rem_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig,
4742 	     struct LIST_HEAD_TYPE *chg)
4743 {
4744 	u16 idx = vsig & ICE_VSIG_IDX_M;
4745 	struct ice_vsig_vsi *vsi_cur;
4746 	struct ice_vsig_prof *d, *t;
4747 	enum ice_status status;
4748 
4749 	/* remove TCAM entries */
4750 	LIST_FOR_EACH_ENTRY_SAFE(d, t,
4751 				 &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
4752 				 ice_vsig_prof, list) {
4753 		status = ice_rem_prof_id(hw, blk, d);
4754 		if (status)
4755 			return status;
4756 
4757 		LIST_DEL(&d->list);
4758 		ice_free(hw, d);
4759 	}
4760 
4761 	/* Move all VSIS associated with this VSIG to the default VSIG */
4762 	vsi_cur = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
4763 	/* If the VSIG has at least 1 VSI then iterate through the list
4764 	 * and remove the VSIs before deleting the group.
4765 	 */
4766 	if (vsi_cur) {
4767 		do {
4768 			struct ice_vsig_vsi *tmp = vsi_cur->next_vsi;
4769 			struct ice_chs_chg *p;
4770 
4771 			p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p));
4772 			if (!p)
4773 				return ICE_ERR_NO_MEMORY;
4774 
4775 			p->type = ICE_VSIG_REM;
4776 			p->orig_vsig = vsig;
4777 			p->vsig = ICE_DEFAULT_VSIG;
4778 			p->vsi = vsi_cur - hw->blk[blk].xlt2.vsis;
4779 
4780 			LIST_ADD(&p->list_entry, chg);
4781 
4782 			vsi_cur = tmp;
4783 		} while (vsi_cur);
4784 	}
4785 
4786 	status = ice_vsig_free(hw, blk, vsig);
4787 
4788 	return status;
4789 }
4790 
4791 /**
4792  * ice_rem_prof_id_vsig - remove a specific profile from a VSIG
4793  * @hw: pointer to the HW struct
4794  * @blk: hardware block
4795  * @vsig: VSIG to remove the profile from
4796  * @hdl: profile handle indicating which profile to remove
4797  * @chg: list to receive a record of changes
4798  */
4799 static enum ice_status
4800 ice_rem_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl,
4801 		     struct LIST_HEAD_TYPE *chg)
4802 {
4803 	u16 idx = vsig & ICE_VSIG_IDX_M;
4804 	struct ice_vsig_prof *p, *t;
4805 	enum ice_status status;
4806 
4807 	LIST_FOR_EACH_ENTRY_SAFE(p, t,
4808 				 &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
4809 				 ice_vsig_prof, list) {
4810 		if (p->profile_cookie == hdl) {
4811 			if (ice_vsig_prof_id_count(hw, blk, vsig) == 1)
4812 				/* this is the last profile, remove the VSIG */
4813 				return ice_rem_vsig(hw, blk, vsig, chg);
4814 
4815 			status = ice_rem_prof_id(hw, blk, p);
4816 			if (!status) {
4817 				LIST_DEL(&p->list);
4818 				ice_free(hw, p);
4819 			}
4820 			return status;
4821 		}
4822 	}
4823 
4824 	return ICE_ERR_DOES_NOT_EXIST;
4825 }
4826 
4827 /**
4828  * ice_rem_flow_all - remove all flows with a particular profile
4829  * @hw: pointer to the HW struct
4830  * @blk: hardware block
4831  * @id: profile tracking ID
4832  */
4833 static enum ice_status
4834 ice_rem_flow_all(struct ice_hw *hw, enum ice_block blk, u64 id)
4835 {
4836 	struct ice_chs_chg *del, *tmp;
4837 	struct LIST_HEAD_TYPE chg;
4838 	enum ice_status status;
4839 	u16 i;
4840 
4841 	INIT_LIST_HEAD(&chg);
4842 
4843 	for (i = 1; i < ICE_MAX_VSIGS; i++) {
4844 		if (hw->blk[blk].xlt2.vsig_tbl[i].in_use) {
4845 			if (ice_has_prof_vsig(hw, blk, i, id)) {
4846 				status = ice_rem_prof_id_vsig(hw, blk, i, id,
4847 							      &chg);
4848 				if (status)
4849 					goto err_ice_rem_flow_all;
4850 			}
4851 		}
4852 	}
4853 
4854 	status = ice_upd_prof_hw(hw, blk, &chg);
4855 
4856 err_ice_rem_flow_all:
4857 	LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &chg, ice_chs_chg, list_entry) {
4858 		LIST_DEL(&del->list_entry);
4859 		ice_free(hw, del);
4860 	}
4861 
4862 	return status;
4863 }
4864 
4865 /**
4866  * ice_rem_prof - remove profile
4867  * @hw: pointer to the HW struct
4868  * @blk: hardware block
4869  * @id: profile tracking ID
4870  *
4871  * This will remove the profile specified by the ID parameter, which was
4872  * previously created through ice_add_prof. If any existing entries
4873  * are associated with this profile, they will be removed as well.
4874  */
4875 enum ice_status ice_rem_prof(struct ice_hw *hw, enum ice_block blk, u64 id)
4876 {
4877 	struct ice_prof_map *pmap;
4878 	enum ice_status status;
4879 
4880 	ice_acquire_lock(&hw->blk[blk].es.prof_map_lock);
4881 
4882 	pmap = ice_search_prof_id_low(hw, blk, id);
4883 	if (!pmap) {
4884 		status = ICE_ERR_DOES_NOT_EXIST;
4885 		goto err_ice_rem_prof;
4886 	}
4887 
4888 	/* remove all flows with this profile */
4889 	status = ice_rem_flow_all(hw, blk, pmap->profile_cookie);
4890 	if (status)
4891 		goto err_ice_rem_prof;
4892 
4893 	/* dereference profile, and possibly remove */
4894 	ice_prof_dec_ref(hw, blk, pmap->prof_id);
4895 
4896 	LIST_DEL(&pmap->list);
4897 	ice_free(hw, pmap);
4898 
4899 	status = ICE_SUCCESS;
4900 
4901 err_ice_rem_prof:
4902 	ice_release_lock(&hw->blk[blk].es.prof_map_lock);
4903 	return status;
4904 }
4905 
4906 /**
4907  * ice_get_prof - get profile
4908  * @hw: pointer to the HW struct
4909  * @blk: hardware block
4910  * @hdl: profile handle
4911  * @chg: change list
4912  */
4913 static enum ice_status
4914 ice_get_prof(struct ice_hw *hw, enum ice_block blk, u64 hdl,
4915 	     struct LIST_HEAD_TYPE *chg)
4916 {
4917 	struct ice_prof_map *map;
4918 	struct ice_chs_chg *p;
4919 	u16 i;
4920 
4921 	/* Get the details on the profile specified by the handle ID */
4922 	map = ice_search_prof_id(hw, blk, hdl);
4923 	if (!map)
4924 		return ICE_ERR_DOES_NOT_EXIST;
4925 
4926 	for (i = 0; i < map->ptg_cnt; i++) {
4927 		if (!hw->blk[blk].es.written[map->prof_id]) {
4928 			/* add ES to change list */
4929 			p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p));
4930 			if (!p)
4931 				goto err_ice_get_prof;
4932 
4933 			p->type = ICE_PTG_ES_ADD;
4934 			p->ptype = 0;
4935 			p->ptg = map->ptg[i];
4936 			p->add_ptg = 0;
4937 
4938 			p->add_prof = 1;
4939 			p->prof_id = map->prof_id;
4940 
4941 			hw->blk[blk].es.written[map->prof_id] = true;
4942 
4943 			LIST_ADD(&p->list_entry, chg);
4944 		}
4945 	}
4946 
4947 	return ICE_SUCCESS;
4948 
4949 err_ice_get_prof:
4950 	/* let caller clean up the change list */
4951 	return ICE_ERR_NO_MEMORY;
4952 }
4953 
4954 /**
4955  * ice_get_profs_vsig - get a copy of the list of profiles from a VSIG
4956  * @hw: pointer to the HW struct
4957  * @blk: hardware block
4958  * @vsig: VSIG from which to copy the list
4959  * @lst: output list
4960  *
4961  * This routine makes a copy of the list of profiles in the specified VSIG.
4962  */
4963 static enum ice_status
4964 ice_get_profs_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig,
4965 		   struct LIST_HEAD_TYPE *lst)
4966 {
4967 	struct ice_vsig_prof *ent1, *ent2;
4968 	u16 idx = vsig & ICE_VSIG_IDX_M;
4969 
4970 	LIST_FOR_EACH_ENTRY(ent1, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
4971 			    ice_vsig_prof, list) {
4972 		struct ice_vsig_prof *p;
4973 
4974 		/* copy to the input list */
4975 		p = (struct ice_vsig_prof *)ice_memdup(hw, ent1, sizeof(*p),
4976 						       ICE_NONDMA_TO_NONDMA);
4977 		if (!p)
4978 			goto err_ice_get_profs_vsig;
4979 
4980 		LIST_ADD_TAIL(&p->list, lst);
4981 	}
4982 
4983 	return ICE_SUCCESS;
4984 
4985 err_ice_get_profs_vsig:
4986 	LIST_FOR_EACH_ENTRY_SAFE(ent1, ent2, lst, ice_vsig_prof, list) {
4987 		LIST_DEL(&ent1->list);
4988 		ice_free(hw, ent1);
4989 	}
4990 
4991 	return ICE_ERR_NO_MEMORY;
4992 }
4993 
4994 /**
4995  * ice_add_prof_to_lst - add profile entry to a list
4996  * @hw: pointer to the HW struct
4997  * @blk: hardware block
4998  * @lst: the list to be added to
4999  * @hdl: profile handle of entry to add
5000  */
5001 static enum ice_status
5002 ice_add_prof_to_lst(struct ice_hw *hw, enum ice_block blk,
5003 		    struct LIST_HEAD_TYPE *lst, u64 hdl)
5004 {
5005 	struct ice_vsig_prof *p;
5006 	struct ice_prof_map *map;
5007 	u16 i;
5008 
5009 	map = ice_search_prof_id(hw, blk, hdl);
5010 	if (!map)
5011 		return ICE_ERR_DOES_NOT_EXIST;
5012 
5013 	p = (struct ice_vsig_prof *)ice_malloc(hw, sizeof(*p));
5014 	if (!p)
5015 		return ICE_ERR_NO_MEMORY;
5016 
5017 	p->profile_cookie = map->profile_cookie;
5018 	p->prof_id = map->prof_id;
5019 	p->tcam_count = map->ptg_cnt;
5020 
5021 	for (i = 0; i < map->ptg_cnt; i++) {
5022 		p->tcam[i].prof_id = map->prof_id;
5023 		p->tcam[i].tcam_idx = ICE_INVALID_TCAM;
5024 		p->tcam[i].ptg = map->ptg[i];
5025 	}
5026 
5027 	LIST_ADD(&p->list, lst);
5028 
5029 	return ICE_SUCCESS;
5030 }
5031 
5032 /**
5033  * ice_move_vsi - move VSI to another VSIG
5034  * @hw: pointer to the HW struct
5035  * @blk: hardware block
5036  * @vsi: the VSI to move
5037  * @vsig: the VSIG to move the VSI to
5038  * @chg: the change list
5039  */
5040 static enum ice_status
5041 ice_move_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig,
5042 	     struct LIST_HEAD_TYPE *chg)
5043 {
5044 	enum ice_status status;
5045 	struct ice_chs_chg *p;
5046 	u16 orig_vsig;
5047 
5048 	p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p));
5049 	if (!p)
5050 		return ICE_ERR_NO_MEMORY;
5051 
5052 	status = ice_vsig_find_vsi(hw, blk, vsi, &orig_vsig);
5053 	if (!status)
5054 		status = ice_vsig_add_mv_vsi(hw, blk, vsi, vsig);
5055 
5056 	if (status) {
5057 		ice_free(hw, p);
5058 		return status;
5059 	}
5060 
5061 	p->type = ICE_VSI_MOVE;
5062 	p->vsi = vsi;
5063 	p->orig_vsig = orig_vsig;
5064 	p->vsig = vsig;
5065 
5066 	LIST_ADD(&p->list_entry, chg);
5067 
5068 	return ICE_SUCCESS;
5069 }
5070 
5071 /**
5072  * ice_prof_tcam_ena_dis - add enable or disable TCAM change
5073  * @hw: pointer to the HW struct
5074  * @blk: hardware block
5075  * @enable: true to enable, false to disable
5076  * @vsig: the vsig of the TCAM entry
5077  * @tcam: pointer the TCAM info structure of the TCAM to disable
5078  * @chg: the change list
5079  *
5080  * This function appends an enable or disable TCAM entry in the change log
5081  */
5082 static enum ice_status
5083 ice_prof_tcam_ena_dis(struct ice_hw *hw, enum ice_block blk, bool enable,
5084 		      u16 vsig, struct ice_tcam_inf *tcam,
5085 		      struct LIST_HEAD_TYPE *chg)
5086 {
5087 	enum ice_status status;
5088 	struct ice_chs_chg *p;
5089 
5090 	/* Default: enable means change the low flag bit to don't care */
5091 	u8 dc_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x01, 0x00, 0x00, 0x00, 0x00 };
5092 	u8 nm_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x00, 0x00, 0x00, 0x00, 0x00 };
5093 	u8 vl_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x01, 0x00, 0x00, 0x00, 0x00 };
5094 
5095 	/* if disabling, free the tcam */
5096 	if (!enable) {
5097 		status = ice_free_tcam_ent(hw, blk, tcam->tcam_idx);
5098 		tcam->tcam_idx = 0;
5099 		tcam->in_use = 0;
5100 		return status;
5101 	}
5102 
5103 	/* for re-enabling, reallocate a tcam */
5104 	status = ice_alloc_tcam_ent(hw, blk, &tcam->tcam_idx);
5105 	if (status)
5106 		return status;
5107 
5108 	/* add TCAM to change list */
5109 	p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p));
5110 	if (!p)
5111 		return ICE_ERR_NO_MEMORY;
5112 
5113 	status = ice_tcam_write_entry(hw, blk, tcam->tcam_idx, tcam->prof_id,
5114 				      tcam->ptg, vsig, 0, 0, vl_msk, dc_msk,
5115 				      nm_msk);
5116 	if (status)
5117 		goto err_ice_prof_tcam_ena_dis;
5118 
5119 	tcam->in_use = 1;
5120 
5121 	p->type = ICE_TCAM_ADD;
5122 	p->add_tcam_idx = true;
5123 	p->prof_id = tcam->prof_id;
5124 	p->ptg = tcam->ptg;
5125 	p->vsig = 0;
5126 	p->tcam_idx = tcam->tcam_idx;
5127 
5128 	/* log change */
5129 	LIST_ADD(&p->list_entry, chg);
5130 
5131 	return ICE_SUCCESS;
5132 
5133 err_ice_prof_tcam_ena_dis:
5134 	ice_free(hw, p);
5135 	return status;
5136 }
5137 
5138 /**
5139  * ice_adj_prof_priorities - adjust profile based on priorities
5140  * @hw: pointer to the HW struct
5141  * @blk: hardware block
5142  * @vsig: the VSIG for which to adjust profile priorities
5143  * @chg: the change list
5144  */
5145 static enum ice_status
5146 ice_adj_prof_priorities(struct ice_hw *hw, enum ice_block blk, u16 vsig,
5147 			struct LIST_HEAD_TYPE *chg)
5148 {
5149 	ice_declare_bitmap(ptgs_used, ICE_XLT1_CNT);
5150 	struct ice_vsig_prof *t;
5151 	enum ice_status status;
5152 	u16 idx;
5153 
5154 	ice_zero_bitmap(ptgs_used, ICE_XLT1_CNT);
5155 	idx = vsig & ICE_VSIG_IDX_M;
5156 
5157 	/* Priority is based on the order in which the profiles are added. The
5158 	 * newest added profile has highest priority and the oldest added
5159 	 * profile has the lowest priority. Since the profile property list for
5160 	 * a VSIG is sorted from newest to oldest, this code traverses the list
5161 	 * in order and enables the first of each PTG that it finds (that is not
5162 	 * already enabled); it also disables any duplicate PTGs that it finds
5163 	 * in the older profiles (that are currently enabled).
5164 	 */
5165 
5166 	LIST_FOR_EACH_ENTRY(t, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
5167 			    ice_vsig_prof, list) {
5168 		u16 i;
5169 
5170 		for (i = 0; i < t->tcam_count; i++) {
5171 			/* Scan the priorities from newest to oldest.
5172 			 * Make sure that the newest profiles take priority.
5173 			 */
5174 			if (ice_is_bit_set(ptgs_used, t->tcam[i].ptg) &&
5175 			    t->tcam[i].in_use) {
5176 				/* need to mark this PTG as never match, as it
5177 				 * was already in use and therefore duplicate
5178 				 * (and lower priority)
5179 				 */
5180 				status = ice_prof_tcam_ena_dis(hw, blk, false,
5181 							       vsig,
5182 							       &t->tcam[i],
5183 							       chg);
5184 				if (status)
5185 					return status;
5186 			} else if (!ice_is_bit_set(ptgs_used, t->tcam[i].ptg) &&
5187 				   !t->tcam[i].in_use) {
5188 				/* need to enable this PTG, as it in not in use
5189 				 * and not enabled (highest priority)
5190 				 */
5191 				status = ice_prof_tcam_ena_dis(hw, blk, true,
5192 							       vsig,
5193 							       &t->tcam[i],
5194 							       chg);
5195 				if (status)
5196 					return status;
5197 			}
5198 
5199 			/* keep track of used ptgs */
5200 			ice_set_bit(t->tcam[i].ptg, ptgs_used);
5201 		}
5202 	}
5203 
5204 	return ICE_SUCCESS;
5205 }
5206 
5207 /**
5208  * ice_add_prof_id_vsig - add profile to VSIG
5209  * @hw: pointer to the HW struct
5210  * @blk: hardware block
5211  * @vsig: the VSIG to which this profile is to be added
5212  * @hdl: the profile handle indicating the profile to add
5213  * @chg: the change list
5214  */
5215 static enum ice_status
5216 ice_add_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl,
5217 		     struct LIST_HEAD_TYPE *chg)
5218 {
5219 	/* Masks that ignore flags */
5220 	u8 vl_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5221 	u8 dc_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0x00, 0x00, 0x00 };
5222 	u8 nm_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x00, 0x00, 0x00, 0x00, 0x00 };
5223 	struct ice_prof_map *map;
5224 	struct ice_vsig_prof *t;
5225 	struct ice_chs_chg *p;
5226 	u16 i;
5227 
5228 	/* Get the details on the profile specified by the handle ID */
5229 	map = ice_search_prof_id(hw, blk, hdl);
5230 	if (!map)
5231 		return ICE_ERR_DOES_NOT_EXIST;
5232 
5233 	/* Error, if this VSIG already has this profile */
5234 	if (ice_has_prof_vsig(hw, blk, vsig, hdl))
5235 		return ICE_ERR_ALREADY_EXISTS;
5236 
5237 	/* new VSIG profile structure */
5238 	t = (struct ice_vsig_prof *)ice_malloc(hw, sizeof(*t));
5239 	if (!t)
5240 		goto err_ice_add_prof_id_vsig;
5241 
5242 	t->profile_cookie = map->profile_cookie;
5243 	t->prof_id = map->prof_id;
5244 	t->tcam_count = map->ptg_cnt;
5245 
5246 	/* create TCAM entries */
5247 	for (i = 0; i < map->ptg_cnt; i++) {
5248 		enum ice_status status;
5249 		u16 tcam_idx;
5250 
5251 		/* add TCAM to change list */
5252 		p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p));
5253 		if (!p)
5254 			goto err_ice_add_prof_id_vsig;
5255 
5256 		/* allocate the TCAM entry index */
5257 		status = ice_alloc_tcam_ent(hw, blk, &tcam_idx);
5258 		if (status) {
5259 			ice_free(hw, p);
5260 			goto err_ice_add_prof_id_vsig;
5261 		}
5262 
5263 		t->tcam[i].ptg = map->ptg[i];
5264 		t->tcam[i].prof_id = map->prof_id;
5265 		t->tcam[i].tcam_idx = tcam_idx;
5266 		t->tcam[i].in_use = true;
5267 
5268 		p->type = ICE_TCAM_ADD;
5269 		p->add_tcam_idx = true;
5270 		p->prof_id = t->tcam[i].prof_id;
5271 		p->ptg = t->tcam[i].ptg;
5272 		p->vsig = vsig;
5273 		p->tcam_idx = t->tcam[i].tcam_idx;
5274 
5275 		/* write the TCAM entry */
5276 		status = ice_tcam_write_entry(hw, blk, t->tcam[i].tcam_idx,
5277 					      t->tcam[i].prof_id,
5278 					      t->tcam[i].ptg, vsig, 0, 0,
5279 					      vl_msk, dc_msk, nm_msk);
5280 		if (status)
5281 			goto err_ice_add_prof_id_vsig;
5282 
5283 		/* log change */
5284 		LIST_ADD(&p->list_entry, chg);
5285 	}
5286 
5287 	/* add profile to VSIG */
5288 	LIST_ADD(&t->list,
5289 		 &hw->blk[blk].xlt2.vsig_tbl[(vsig & ICE_VSIG_IDX_M)].prop_lst);
5290 
5291 	return ICE_SUCCESS;
5292 
5293 err_ice_add_prof_id_vsig:
5294 	/* let caller clean up the change list */
5295 	ice_free(hw, t);
5296 	return ICE_ERR_NO_MEMORY;
5297 }
5298 
5299 /**
5300  * ice_create_prof_id_vsig - add a new VSIG with a single profile
5301  * @hw: pointer to the HW struct
5302  * @blk: hardware block
5303  * @vsi: the initial VSI that will be in VSIG
5304  * @hdl: the profile handle of the profile that will be added to the VSIG
5305  * @chg: the change list
5306  */
5307 static enum ice_status
5308 ice_create_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl,
5309 			struct LIST_HEAD_TYPE *chg)
5310 {
5311 	enum ice_status status;
5312 	struct ice_chs_chg *p;
5313 	u16 new_vsig;
5314 
5315 	p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p));
5316 	if (!p)
5317 		return ICE_ERR_NO_MEMORY;
5318 
5319 	new_vsig = ice_vsig_alloc(hw, blk);
5320 	if (!new_vsig) {
5321 		status = ICE_ERR_HW_TABLE;
5322 		goto err_ice_create_prof_id_vsig;
5323 	}
5324 
5325 	status = ice_move_vsi(hw, blk, vsi, new_vsig, chg);
5326 	if (status)
5327 		goto err_ice_create_prof_id_vsig;
5328 
5329 	status = ice_add_prof_id_vsig(hw, blk, new_vsig, hdl, chg);
5330 	if (status)
5331 		goto err_ice_create_prof_id_vsig;
5332 
5333 	p->type = ICE_VSIG_ADD;
5334 	p->vsi = vsi;
5335 	p->orig_vsig = ICE_DEFAULT_VSIG;
5336 	p->vsig = new_vsig;
5337 
5338 	LIST_ADD(&p->list_entry, chg);
5339 
5340 	return ICE_SUCCESS;
5341 
5342 err_ice_create_prof_id_vsig:
5343 	/* let caller clean up the change list */
5344 	ice_free(hw, p);
5345 	return status;
5346 }
5347 
5348 /**
5349  * ice_create_vsig_from_list - create a new VSIG with a list of profiles
5350  * @hw: pointer to the HW struct
5351  * @blk: hardware block
5352  * @vsi: the initial VSI that will be in VSIG
5353  * @lst: the list of profile that will be added to the VSIG
5354  * @chg: the change list
5355  */
5356 static enum ice_status
5357 ice_create_vsig_from_lst(struct ice_hw *hw, enum ice_block blk, u16 vsi,
5358 			 struct LIST_HEAD_TYPE *lst, struct LIST_HEAD_TYPE *chg)
5359 {
5360 	struct ice_vsig_prof *t;
5361 	enum ice_status status;
5362 	u16 vsig;
5363 
5364 	vsig = ice_vsig_alloc(hw, blk);
5365 	if (!vsig)
5366 		return ICE_ERR_HW_TABLE;
5367 
5368 	status = ice_move_vsi(hw, blk, vsi, vsig, chg);
5369 	if (status)
5370 		return status;
5371 
5372 	LIST_FOR_EACH_ENTRY(t, lst, ice_vsig_prof, list) {
5373 		status = ice_add_prof_id_vsig(hw, blk, vsig, t->profile_cookie,
5374 					      chg);
5375 		if (status)
5376 			return status;
5377 	}
5378 
5379 	return ICE_SUCCESS;
5380 }
5381 
5382 /**
5383  * ice_find_prof_vsig - find a VSIG with a specific profile handle
5384  * @hw: pointer to the HW struct
5385  * @blk: hardware block
5386  * @hdl: the profile handle of the profile to search for
5387  * @vsig: returns the VSIG with the matching profile
5388  */
5389 static bool
5390 ice_find_prof_vsig(struct ice_hw *hw, enum ice_block blk, u64 hdl, u16 *vsig)
5391 {
5392 	struct ice_vsig_prof *t;
5393 	struct LIST_HEAD_TYPE lst;
5394 	enum ice_status status;
5395 
5396 	INIT_LIST_HEAD(&lst);
5397 
5398 	t = (struct ice_vsig_prof *)ice_malloc(hw, sizeof(*t));
5399 	if (!t)
5400 		return false;
5401 
5402 	t->profile_cookie = hdl;
5403 	LIST_ADD(&t->list, &lst);
5404 
5405 	status = ice_find_dup_props_vsig(hw, blk, &lst, vsig);
5406 
5407 	LIST_DEL(&t->list);
5408 	ice_free(hw, t);
5409 
5410 	return status == ICE_SUCCESS;
5411 }
5412 
5413 /**
5414  * ice_add_vsi_flow - add VSI flow
5415  * @hw: pointer to the HW struct
5416  * @blk: hardware block
5417  * @vsi: input VSI
5418  * @vsig: target VSIG to include the input VSI
5419  *
5420  * Calling this function will add the VSI to a given VSIG and
5421  * update the HW tables accordingly. This call can be used to
5422  * add multiple VSIs to a VSIG if we know beforehand that those
5423  * VSIs have the same characteristics of the VSIG. This will
5424  * save time in generating a new VSIG and TCAMs till a match is
5425  * found and subsequent rollback when a matching VSIG is found.
5426  */
5427 enum ice_status
5428 ice_add_vsi_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig)
5429 {
5430 	struct ice_chs_chg *tmp, *del;
5431 	struct LIST_HEAD_TYPE chg;
5432 	enum ice_status status;
5433 
5434 	/* if target VSIG is default the move is invalid */
5435 	if ((vsig & ICE_VSIG_IDX_M) == ICE_DEFAULT_VSIG)
5436 		return ICE_ERR_PARAM;
5437 
5438 	INIT_LIST_HEAD(&chg);
5439 
5440 	/* move VSI to the VSIG that matches */
5441 	status = ice_move_vsi(hw, blk, vsi, vsig, &chg);
5442 	/* update hardware if success */
5443 	if (!status)
5444 		status = ice_upd_prof_hw(hw, blk, &chg);
5445 
5446 	LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &chg, ice_chs_chg, list_entry) {
5447 		LIST_DEL(&del->list_entry);
5448 		ice_free(hw, del);
5449 	}
5450 
5451 	return status;
5452 }
5453 
5454 /**
5455  * ice_add_prof_id_flow - add profile flow
5456  * @hw: pointer to the HW struct
5457  * @blk: hardware block
5458  * @vsi: the VSI to enable with the profile specified by ID
5459  * @hdl: profile handle
5460  *
5461  * Calling this function will update the hardware tables to enable the
5462  * profile indicated by the ID parameter for the VSIs specified in the VSI
5463  * array. Once successfully called, the flow will be enabled.
5464  */
5465 enum ice_status
5466 ice_add_prof_id_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl)
5467 {
5468 	struct ice_vsig_prof *tmp1, *del1;
5469 	struct LIST_HEAD_TYPE union_lst;
5470 	struct ice_chs_chg *tmp, *del;
5471 	struct LIST_HEAD_TYPE chrs;
5472 	struct LIST_HEAD_TYPE chg;
5473 	enum ice_status status;
5474 	u16 vsig, or_vsig = 0;
5475 
5476 	INIT_LIST_HEAD(&union_lst);
5477 	INIT_LIST_HEAD(&chrs);
5478 	INIT_LIST_HEAD(&chg);
5479 
5480 	/* Get profile */
5481 	status = ice_get_prof(hw, blk, hdl, &chg);
5482 	if (status)
5483 		return status;
5484 
5485 	/* determine if VSI is already part of a VSIG */
5486 	status = ice_vsig_find_vsi(hw, blk, vsi, &vsig);
5487 	if (!status && vsig) {
5488 		bool only_vsi;
5489 		u16 ref;
5490 
5491 		/* found in vsig */
5492 		or_vsig = vsig;
5493 
5494 		/* make sure that there is no overlap/conflict between the new
5495 		 * characteristics and the existing ones; we don't support that
5496 		 * scenario
5497 		 */
5498 		if (ice_has_prof_vsig(hw, blk, vsig, hdl)) {
5499 			status = ICE_ERR_ALREADY_EXISTS;
5500 			goto err_ice_add_prof_id_flow;
5501 		}
5502 
5503 		/* last VSI in the VSIG? */
5504 		status = ice_vsig_get_ref(hw, blk, vsig, &ref);
5505 		if (status)
5506 			goto err_ice_add_prof_id_flow;
5507 		only_vsi = (ref == 1);
5508 
5509 		/* create a union of the current profiles and the one being
5510 		 * added
5511 		 */
5512 		status = ice_get_profs_vsig(hw, blk, vsig, &union_lst);
5513 		if (status)
5514 			goto err_ice_add_prof_id_flow;
5515 
5516 		status = ice_add_prof_to_lst(hw, blk, &union_lst, hdl);
5517 		if (status)
5518 			goto err_ice_add_prof_id_flow;
5519 
5520 		/* search for an existing VSIG with an exact charc match */
5521 		status = ice_find_dup_props_vsig(hw, blk, &union_lst, &vsig);
5522 		if (!status) {
5523 			/* move VSI to the VSIG that matches */
5524 			status = ice_move_vsi(hw, blk, vsi, vsig, &chg);
5525 			if (status)
5526 				goto err_ice_add_prof_id_flow;
5527 
5528 			/* VSI has been moved out of or_vsig. If the or_vsig had
5529 			 * only that VSI it is now empty and can be removed.
5530 			 */
5531 			if (only_vsi) {
5532 				status = ice_rem_vsig(hw, blk, or_vsig, &chg);
5533 				if (status)
5534 					goto err_ice_add_prof_id_flow;
5535 			}
5536 		} else if (only_vsi) {
5537 			/* If the original VSIG only contains one VSI, then it
5538 			 * will be the requesting VSI. In this case the VSI is
5539 			 * not sharing entries and we can simply add the new
5540 			 * profile to the VSIG.
5541 			 */
5542 			status = ice_add_prof_id_vsig(hw, blk, vsig, hdl, &chg);
5543 			if (status)
5544 				goto err_ice_add_prof_id_flow;
5545 
5546 			/* Adjust priorities */
5547 			status = ice_adj_prof_priorities(hw, blk, vsig, &chg);
5548 			if (status)
5549 				goto err_ice_add_prof_id_flow;
5550 		} else {
5551 			/* No match, so we need a new VSIG */
5552 			status = ice_create_vsig_from_lst(hw, blk, vsi,
5553 							  &union_lst, &chg);
5554 			if (status)
5555 				goto err_ice_add_prof_id_flow;
5556 
5557 			/* Adjust priorities */
5558 			status = ice_adj_prof_priorities(hw, blk, vsig, &chg);
5559 			if (status)
5560 				goto err_ice_add_prof_id_flow;
5561 		}
5562 	} else {
5563 		/* need to find or add a VSIG */
5564 		/* search for an existing VSIG with an exact charc match */
5565 		if (ice_find_prof_vsig(hw, blk, hdl, &vsig)) {
5566 			/* found an exact match */
5567 			/* add or move VSI to the VSIG that matches */
5568 			status = ice_move_vsi(hw, blk, vsi, vsig, &chg);
5569 			if (status)
5570 				goto err_ice_add_prof_id_flow;
5571 		} else {
5572 			/* we did not find an exact match */
5573 			/* we need to add a VSIG */
5574 			status = ice_create_prof_id_vsig(hw, blk, vsi, hdl,
5575 							 &chg);
5576 			if (status)
5577 				goto err_ice_add_prof_id_flow;
5578 		}
5579 	}
5580 
5581 	/* update hardware */
5582 	if (!status)
5583 		status = ice_upd_prof_hw(hw, blk, &chg);
5584 
5585 err_ice_add_prof_id_flow:
5586 	LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &chg, ice_chs_chg, list_entry) {
5587 		LIST_DEL(&del->list_entry);
5588 		ice_free(hw, del);
5589 	}
5590 
5591 	LIST_FOR_EACH_ENTRY_SAFE(del1, tmp1, &union_lst, ice_vsig_prof, list) {
5592 		LIST_DEL(&del1->list);
5593 		ice_free(hw, del1);
5594 	}
5595 
5596 	LIST_FOR_EACH_ENTRY_SAFE(del1, tmp1, &chrs, ice_vsig_prof, list) {
5597 		LIST_DEL(&del1->list);
5598 		ice_free(hw, del1);
5599 	}
5600 
5601 	return status;
5602 }
5603 
5604 /**
5605  * ice_rem_prof_from_list - remove a profile from list
5606  * @hw: pointer to the HW struct
5607  * @lst: list to remove the profile from
5608  * @hdl: the profile handle indicating the profile to remove
5609  */
5610 static enum ice_status
5611 ice_rem_prof_from_list(struct ice_hw *hw, struct LIST_HEAD_TYPE *lst, u64 hdl)
5612 {
5613 	struct ice_vsig_prof *ent, *tmp;
5614 
5615 	LIST_FOR_EACH_ENTRY_SAFE(ent, tmp, lst, ice_vsig_prof, list) {
5616 		if (ent->profile_cookie == hdl) {
5617 			LIST_DEL(&ent->list);
5618 			ice_free(hw, ent);
5619 			return ICE_SUCCESS;
5620 		}
5621 	}
5622 
5623 	return ICE_ERR_DOES_NOT_EXIST;
5624 }
5625 
5626 /**
5627  * ice_rem_prof_id_flow - remove flow
5628  * @hw: pointer to the HW struct
5629  * @blk: hardware block
5630  * @vsi: the VSI from which to remove the profile specified by ID
5631  * @hdl: profile tracking handle
5632  *
5633  * Calling this function will update the hardware tables to remove the
5634  * profile indicated by the ID parameter for the VSIs specified in the VSI
5635  * array. Once successfully called, the flow will be disabled.
5636  */
5637 enum ice_status
5638 ice_rem_prof_id_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl)
5639 {
5640 	struct ice_vsig_prof *tmp1, *del1;
5641 	struct LIST_HEAD_TYPE chg, copy;
5642 	struct ice_chs_chg *tmp, *del;
5643 	enum ice_status status;
5644 	u16 vsig;
5645 
5646 	INIT_LIST_HEAD(&copy);
5647 	INIT_LIST_HEAD(&chg);
5648 
5649 	/* determine if VSI is already part of a VSIG */
5650 	status = ice_vsig_find_vsi(hw, blk, vsi, &vsig);
5651 	if (!status && vsig) {
5652 		bool last_profile;
5653 		bool only_vsi;
5654 		u16 ref;
5655 
5656 		/* found in VSIG */
5657 		last_profile = ice_vsig_prof_id_count(hw, blk, vsig) == 1;
5658 		status = ice_vsig_get_ref(hw, blk, vsig, &ref);
5659 		if (status)
5660 			goto err_ice_rem_prof_id_flow;
5661 		only_vsi = (ref == 1);
5662 
5663 		if (only_vsi) {
5664 			/* If the original VSIG only contains one reference,
5665 			 * which will be the requesting VSI, then the VSI is not
5666 			 * sharing entries and we can simply remove the specific
5667 			 * characteristics from the VSIG.
5668 			 */
5669 
5670 			if (last_profile) {
5671 				/* If there are no profiles left for this VSIG,
5672 				 * then simply remove the the VSIG.
5673 				 */
5674 				status = ice_rem_vsig(hw, blk, vsig, &chg);
5675 				if (status)
5676 					goto err_ice_rem_prof_id_flow;
5677 			} else {
5678 				status = ice_rem_prof_id_vsig(hw, blk, vsig,
5679 							      hdl, &chg);
5680 				if (status)
5681 					goto err_ice_rem_prof_id_flow;
5682 
5683 				/* Adjust priorities */
5684 				status = ice_adj_prof_priorities(hw, blk, vsig,
5685 								 &chg);
5686 				if (status)
5687 					goto err_ice_rem_prof_id_flow;
5688 			}
5689 
5690 		} else {
5691 			/* Make a copy of the VSIG's list of Profiles */
5692 			status = ice_get_profs_vsig(hw, blk, vsig, &copy);
5693 			if (status)
5694 				goto err_ice_rem_prof_id_flow;
5695 
5696 			/* Remove specified profile entry from the list */
5697 			status = ice_rem_prof_from_list(hw, &copy, hdl);
5698 			if (status)
5699 				goto err_ice_rem_prof_id_flow;
5700 
5701 			if (LIST_EMPTY(&copy)) {
5702 				status = ice_move_vsi(hw, blk, vsi,
5703 						      ICE_DEFAULT_VSIG, &chg);
5704 				if (status)
5705 					goto err_ice_rem_prof_id_flow;
5706 
5707 			} else if (!ice_find_dup_props_vsig(hw, blk, &copy,
5708 							    &vsig)) {
5709 				/* found an exact match */
5710 				/* add or move VSI to the VSIG that matches */
5711 				/* Search for a VSIG with a matching profile
5712 				 * list
5713 				 */
5714 
5715 				/* Found match, move VSI to the matching VSIG */
5716 				status = ice_move_vsi(hw, blk, vsi, vsig, &chg);
5717 				if (status)
5718 					goto err_ice_rem_prof_id_flow;
5719 			} else {
5720 				/* since no existing VSIG supports this
5721 				 * characteristic pattern, we need to create a
5722 				 * new VSIG and TCAM entries
5723 				 */
5724 				status = ice_create_vsig_from_lst(hw, blk, vsi,
5725 								  &copy, &chg);
5726 				if (status)
5727 					goto err_ice_rem_prof_id_flow;
5728 
5729 				/* Adjust priorities */
5730 				status = ice_adj_prof_priorities(hw, blk, vsig,
5731 								 &chg);
5732 				if (status)
5733 					goto err_ice_rem_prof_id_flow;
5734 			}
5735 		}
5736 	} else {
5737 		status = ICE_ERR_DOES_NOT_EXIST;
5738 	}
5739 
5740 	/* update hardware tables */
5741 	if (!status)
5742 		status = ice_upd_prof_hw(hw, blk, &chg);
5743 
5744 err_ice_rem_prof_id_flow:
5745 	LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &chg, ice_chs_chg, list_entry) {
5746 		LIST_DEL(&del->list_entry);
5747 		ice_free(hw, del);
5748 	}
5749 
5750 	LIST_FOR_EACH_ENTRY_SAFE(del1, tmp1, &copy, ice_vsig_prof, list) {
5751 		LIST_DEL(&del1->list);
5752 		ice_free(hw, del1);
5753 	}
5754 
5755 	return status;
5756 }
5757