xref: /dpdk/drivers/net/ice/base/ice_flex_pipe.c (revision d6cefc11)
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 static const struct ice_tunnel_type_scan tnls[] = {
11 	{ TNL_VXLAN,		"TNL_VXLAN" },
12 	{ TNL_GTPC,		"TNL_GTPC" },
13 	{ TNL_GTPC_TEID,	"TNL_GTPC_TEID" },
14 	{ TNL_GTPU,		"TNL_GTPC" },
15 	{ TNL_GTPU_TEID,	"TNL_GTPU_TEID" },
16 	{ TNL_VXLAN_GPE,	"TNL_VXLAN_GPE" },
17 	{ TNL_GENEVE,		"TNL_GENEVE" },
18 	{ TNL_NAT,		"TNL_NAT" },
19 	{ TNL_ROCE_V2,		"TNL_ROCE_V2" },
20 	{ TNL_MPLSO_UDP,	"TNL_MPLSO_UDP" },
21 	{ TNL_UDP2_END,		"TNL_UDP2_END" },
22 	{ TNL_UPD_END,		"TNL_UPD_END" },
23 	{ TNL_LAST,		"" }
24 };
25 
26 static const u32 ice_sect_lkup[ICE_BLK_COUNT][ICE_SECT_COUNT] = {
27 	/* SWITCH */
28 	{
29 		ICE_SID_XLT0_SW,
30 		ICE_SID_XLT_KEY_BUILDER_SW,
31 		ICE_SID_XLT1_SW,
32 		ICE_SID_XLT2_SW,
33 		ICE_SID_PROFID_TCAM_SW,
34 		ICE_SID_PROFID_REDIR_SW,
35 		ICE_SID_FLD_VEC_SW,
36 		ICE_SID_CDID_KEY_BUILDER_SW,
37 		ICE_SID_CDID_REDIR_SW
38 	},
39 
40 	/* ACL */
41 	{
42 		ICE_SID_XLT0_ACL,
43 		ICE_SID_XLT_KEY_BUILDER_ACL,
44 		ICE_SID_XLT1_ACL,
45 		ICE_SID_XLT2_ACL,
46 		ICE_SID_PROFID_TCAM_ACL,
47 		ICE_SID_PROFID_REDIR_ACL,
48 		ICE_SID_FLD_VEC_ACL,
49 		ICE_SID_CDID_KEY_BUILDER_ACL,
50 		ICE_SID_CDID_REDIR_ACL
51 	},
52 
53 	/* FD */
54 	{
55 		ICE_SID_XLT0_FD,
56 		ICE_SID_XLT_KEY_BUILDER_FD,
57 		ICE_SID_XLT1_FD,
58 		ICE_SID_XLT2_FD,
59 		ICE_SID_PROFID_TCAM_FD,
60 		ICE_SID_PROFID_REDIR_FD,
61 		ICE_SID_FLD_VEC_FD,
62 		ICE_SID_CDID_KEY_BUILDER_FD,
63 		ICE_SID_CDID_REDIR_FD
64 	},
65 
66 	/* RSS */
67 	{
68 		ICE_SID_XLT0_RSS,
69 		ICE_SID_XLT_KEY_BUILDER_RSS,
70 		ICE_SID_XLT1_RSS,
71 		ICE_SID_XLT2_RSS,
72 		ICE_SID_PROFID_TCAM_RSS,
73 		ICE_SID_PROFID_REDIR_RSS,
74 		ICE_SID_FLD_VEC_RSS,
75 		ICE_SID_CDID_KEY_BUILDER_RSS,
76 		ICE_SID_CDID_REDIR_RSS
77 	},
78 
79 	/* PE */
80 	{
81 		ICE_SID_XLT0_PE,
82 		ICE_SID_XLT_KEY_BUILDER_PE,
83 		ICE_SID_XLT1_PE,
84 		ICE_SID_XLT2_PE,
85 		ICE_SID_PROFID_TCAM_PE,
86 		ICE_SID_PROFID_REDIR_PE,
87 		ICE_SID_FLD_VEC_PE,
88 		ICE_SID_CDID_KEY_BUILDER_PE,
89 		ICE_SID_CDID_REDIR_PE
90 	}
91 };
92 
93 /**
94  * ice_sect_id - returns section ID
95  * @blk: block type
96  * @sect: section type
97  *
98  * This helper function returns the proper section ID given a block type and a
99  * section type.
100  */
101 static u32 ice_sect_id(enum ice_block blk, enum ice_sect sect)
102 {
103 	return ice_sect_lkup[blk][sect];
104 }
105 
106 /**
107  * ice_pkg_val_buf
108  * @buf: pointer to the ice buffer
109  *
110  * This helper function validates a buffer's header.
111  */
112 static struct ice_buf_hdr *ice_pkg_val_buf(struct ice_buf *buf)
113 {
114 	struct ice_buf_hdr *hdr;
115 	u16 section_count;
116 	u16 data_end;
117 
118 	hdr = (struct ice_buf_hdr *)buf->buf;
119 	/* verify data */
120 	section_count = LE16_TO_CPU(hdr->section_count);
121 	if (section_count < ICE_MIN_S_COUNT || section_count > ICE_MAX_S_COUNT)
122 		return NULL;
123 
124 	data_end = LE16_TO_CPU(hdr->data_end);
125 	if (data_end < ICE_MIN_S_DATA_END || data_end > ICE_MAX_S_DATA_END)
126 		return NULL;
127 
128 	return hdr;
129 }
130 
131 /**
132  * ice_find_buf_table
133  * @ice_seg: pointer to the ice segment
134  *
135  * Returns the address of the buffer table within the ice segment.
136  */
137 static struct ice_buf_table *ice_find_buf_table(struct ice_seg *ice_seg)
138 {
139 	struct ice_nvm_table *nvms;
140 
141 	nvms = (struct ice_nvm_table *)(ice_seg->device_table +
142 		LE32_TO_CPU(ice_seg->device_table_count));
143 
144 	return (struct ice_buf_table *)
145 		(nvms->vers + LE32_TO_CPU(nvms->table_count));
146 }
147 
148 /**
149  * ice_pkg_enum_buf
150  * @ice_seg: pointer to the ice segment (or NULL on subsequent calls)
151  * @state: pointer to the enum state
152  *
153  * This function will enumerate all the buffers in the ice segment. The first
154  * call is made with the ice_seg parameter non-NULL; on subsequent calls,
155  * ice_seg is set to NULL which continues the enumeration. When the function
156  * returns a NULL pointer, then the end of the buffers has been reached, or an
157  * unexpected value has been detected (for example an invalid section count or
158  * an invalid buffer end value).
159  */
160 static struct ice_buf_hdr *
161 ice_pkg_enum_buf(struct ice_seg *ice_seg, struct ice_pkg_enum *state)
162 {
163 	if (ice_seg) {
164 		state->buf_table = ice_find_buf_table(ice_seg);
165 		if (!state->buf_table)
166 			return NULL;
167 
168 		state->buf_idx = 0;
169 		return ice_pkg_val_buf(state->buf_table->buf_array);
170 	}
171 
172 	if (++state->buf_idx < LE32_TO_CPU(state->buf_table->buf_count))
173 		return ice_pkg_val_buf(state->buf_table->buf_array +
174 				       state->buf_idx);
175 	else
176 		return NULL;
177 }
178 
179 /**
180  * ice_pkg_advance_sect
181  * @ice_seg: pointer to the ice segment (or NULL on subsequent calls)
182  * @state: pointer to the enum state
183  *
184  * This helper function will advance the section within the ice segment,
185  * also advancing the buffer if needed.
186  */
187 static bool
188 ice_pkg_advance_sect(struct ice_seg *ice_seg, struct ice_pkg_enum *state)
189 {
190 	if (!ice_seg && !state->buf)
191 		return false;
192 
193 	if (!ice_seg && state->buf)
194 		if (++state->sect_idx < LE16_TO_CPU(state->buf->section_count))
195 			return true;
196 
197 	state->buf = ice_pkg_enum_buf(ice_seg, state);
198 	if (!state->buf)
199 		return false;
200 
201 	/* start of new buffer, reset section index */
202 	state->sect_idx = 0;
203 	return true;
204 }
205 
206 /**
207  * ice_pkg_enum_section
208  * @ice_seg: pointer to the ice segment (or NULL on subsequent calls)
209  * @state: pointer to the enum state
210  * @sect_type: section type to enumerate
211  *
212  * This function will enumerate all the sections of a particular type in the
213  * ice segment. The first call is made with the ice_seg parameter non-NULL;
214  * on subsequent calls, ice_seg is set to NULL which continues the enumeration.
215  * When the function returns a NULL pointer, then the end of the matching
216  * sections has been reached.
217  */
218 static void *
219 ice_pkg_enum_section(struct ice_seg *ice_seg, struct ice_pkg_enum *state,
220 		     u32 sect_type)
221 {
222 	u16 offset, size;
223 
224 	if (ice_seg)
225 		state->type = sect_type;
226 
227 	if (!ice_pkg_advance_sect(ice_seg, state))
228 		return NULL;
229 
230 	/* scan for next matching section */
231 	while (state->buf->section_entry[state->sect_idx].type !=
232 	       CPU_TO_LE32(state->type))
233 		if (!ice_pkg_advance_sect(NULL, state))
234 			return NULL;
235 
236 	/* validate section */
237 	offset = LE16_TO_CPU(state->buf->section_entry[state->sect_idx].offset);
238 	if (offset < ICE_MIN_S_OFF || offset > ICE_MAX_S_OFF)
239 		return NULL;
240 
241 	size = LE16_TO_CPU(state->buf->section_entry[state->sect_idx].size);
242 	if (size < ICE_MIN_S_SZ || size > ICE_MAX_S_SZ)
243 		return NULL;
244 
245 	/* make sure the section fits in the buffer */
246 	if (offset + size > ICE_PKG_BUF_SIZE)
247 		return NULL;
248 
249 	state->sect_type =
250 		LE32_TO_CPU(state->buf->section_entry[state->sect_idx].type);
251 
252 	/* calc pointer to this section */
253 	state->sect = ((u8 *)state->buf) +
254 		LE16_TO_CPU(state->buf->section_entry[state->sect_idx].offset);
255 
256 	return state->sect;
257 }
258 
259 /**
260  * ice_pkg_enum_entry
261  * @ice_seg: pointer to the ice segment (or NULL on subsequent calls)
262  * @state: pointer to the enum state
263  * @sect_type: section type to enumerate
264  * @offset: pointer to variable that receives the offset in the table (optional)
265  * @handler: function that handles access to the entries into the section type
266  *
267  * This function will enumerate all the entries in particular section type in
268  * the ice segment. The first call is made with the ice_seg parameter non-NULL;
269  * on subsequent calls, ice_seg is set to NULL which continues the enumeration.
270  * When the function returns a NULL pointer, then the end of the entries has
271  * been reached.
272  *
273  * Since each section may have a different header and entry size, the handler
274  * function is needed to determine the number and location entries in each
275  * section.
276  *
277  * The offset parameter is optional, but should be used for sections that
278  * contain an offset for each section table. For such cases, the section handler
279  * function must return the appropriate offset + index to give the absolution
280  * offset for each entry. For example, if the base for a section's header
281  * indicates a base offset of 10, and the index for the entry is 2, then
282  * section handler function should set the offset to 10 + 2 = 12.
283  */
284 static void *
285 ice_pkg_enum_entry(struct ice_seg *ice_seg, struct ice_pkg_enum *state,
286 		   u32 sect_type, u32 *offset,
287 		   void *(*handler)(u32 sect_type, void *section,
288 				    u32 index, u32 *offset))
289 {
290 	void *entry;
291 
292 	if (ice_seg) {
293 		if (!handler)
294 			return NULL;
295 
296 		if (!ice_pkg_enum_section(ice_seg, state, sect_type))
297 			return NULL;
298 
299 		state->entry_idx = 0;
300 		state->handler = handler;
301 	} else {
302 		state->entry_idx++;
303 	}
304 
305 	if (!state->handler)
306 		return NULL;
307 
308 	/* get entry */
309 	entry = state->handler(state->sect_type, state->sect, state->entry_idx,
310 			       offset);
311 	if (!entry) {
312 		/* end of a section, look for another section of this type */
313 		if (!ice_pkg_enum_section(NULL, state, 0))
314 			return NULL;
315 
316 		state->entry_idx = 0;
317 		entry = state->handler(state->sect_type, state->sect,
318 				       state->entry_idx, offset);
319 	}
320 
321 	return entry;
322 }
323 
324 /**
325  * ice_boost_tcam_handler
326  * @sect_type: section type
327  * @section: pointer to section
328  * @index: index of the boost TCAM entry to be returned
329  * @offset: pointer to receive absolute offset, always 0 for boost TCAM sections
330  *
331  * This is a callback function that can be passed to ice_pkg_enum_entry.
332  * Handles enumeration of individual boost TCAM entries.
333  */
334 static void *
335 ice_boost_tcam_handler(u32 sect_type, void *section, u32 index, u32 *offset)
336 {
337 	struct ice_boost_tcam_section *boost;
338 
339 	if (!section)
340 		return NULL;
341 
342 	if (sect_type != ICE_SID_RXPARSER_BOOST_TCAM)
343 		return NULL;
344 
345 	if (index > ICE_MAX_BST_TCAMS_IN_BUF)
346 		return NULL;
347 
348 	if (offset)
349 		*offset = 0;
350 
351 	boost = (struct ice_boost_tcam_section *)section;
352 	if (index >= LE16_TO_CPU(boost->count))
353 		return NULL;
354 
355 	return boost->tcam + index;
356 }
357 
358 /**
359  * ice_find_boost_entry
360  * @ice_seg: pointer to the ice segment (non-NULL)
361  * @addr: Boost TCAM address of entry to search for
362  * @entry: returns pointer to the entry
363  *
364  * Finds a particular Boost TCAM entry and returns a pointer to that entry
365  * if it is found. The ice_seg parameter must not be NULL since the first call
366  * to ice_pkg_enum_entry requires a pointer to an actual ice_segment structure.
367  */
368 static enum ice_status
369 ice_find_boost_entry(struct ice_seg *ice_seg, u16 addr,
370 		     struct ice_boost_tcam_entry **entry)
371 {
372 	struct ice_boost_tcam_entry *tcam;
373 	struct ice_pkg_enum state;
374 
375 	ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM);
376 
377 	if (!ice_seg)
378 		return ICE_ERR_PARAM;
379 
380 	do {
381 		tcam = (struct ice_boost_tcam_entry *)
382 		       ice_pkg_enum_entry(ice_seg, &state,
383 					  ICE_SID_RXPARSER_BOOST_TCAM, NULL,
384 					  ice_boost_tcam_handler);
385 		if (tcam && LE16_TO_CPU(tcam->addr) == addr) {
386 			*entry = tcam;
387 			return ICE_SUCCESS;
388 		}
389 
390 		ice_seg = NULL;
391 	} while (tcam);
392 
393 	*entry = NULL;
394 	return ICE_ERR_CFG;
395 }
396 
397 /**
398  * ice_label_enum_handler
399  * @sect_type: section type
400  * @section: pointer to section
401  * @index: index of the label entry to be returned
402  * @offset: pointer to receive absolute offset, always zero for label sections
403  *
404  * This is a callback function that can be passed to ice_pkg_enum_entry.
405  * Handles enumeration of individual label entries.
406  */
407 static void *
408 ice_label_enum_handler(u32 __always_unused sect_type, void *section, u32 index,
409 		       u32 *offset)
410 {
411 	struct ice_label_section *labels;
412 
413 	if (!section)
414 		return NULL;
415 
416 	if (index > ICE_MAX_LABELS_IN_BUF)
417 		return NULL;
418 
419 	if (offset)
420 		*offset = 0;
421 
422 	labels = (struct ice_label_section *)section;
423 	if (index >= LE16_TO_CPU(labels->count))
424 		return NULL;
425 
426 	return labels->label + index;
427 }
428 
429 /**
430  * ice_enum_labels
431  * @ice_seg: pointer to the ice segment (NULL on subsequent calls)
432  * @type: the section type that will contain the label (0 on subsequent calls)
433  * @state: ice_pkg_enum structure that will hold the state of the enumeration
434  * @value: pointer to a value that will return the label's value if found
435  *
436  * Enumerates a list of labels in the package. The caller will call
437  * ice_enum_labels(ice_seg, type, ...) to start the enumeration, then call
438  * ice_enum_labels(NULL, 0, ...) to continue. When the function returns a NULL
439  * the end of the list has been reached.
440  */
441 static char *
442 ice_enum_labels(struct ice_seg *ice_seg, u32 type, struct ice_pkg_enum *state,
443 		u16 *value)
444 {
445 	struct ice_label *label;
446 
447 	/* Check for valid label section on first call */
448 	if (type && !(type >= ICE_SID_LBL_FIRST && type <= ICE_SID_LBL_LAST))
449 		return NULL;
450 
451 	label = (struct ice_label *)ice_pkg_enum_entry(ice_seg, state, type,
452 						       NULL,
453 						       ice_label_enum_handler);
454 	if (!label)
455 		return NULL;
456 
457 	*value = LE16_TO_CPU(label->value);
458 	return label->name;
459 }
460 
461 /**
462  * ice_init_pkg_hints
463  * @hw: pointer to the HW structure
464  * @ice_seg: pointer to the segment of the package scan (non-NULL)
465  *
466  * This function will scan the package and save off relevant information
467  * (hints or metadata) for driver use. The ice_seg parameter must not be NULL
468  * since the first call to ice_enum_labels requires a pointer to an actual
469  * ice_seg structure.
470  */
471 void ice_init_pkg_hints(struct ice_hw *hw, struct ice_seg *ice_seg)
472 {
473 	struct ice_pkg_enum state;
474 	char *label_name;
475 	u16 val;
476 	int i;
477 
478 	ice_memset(&hw->tnl, 0, sizeof(hw->tnl), ICE_NONDMA_MEM);
479 
480 	if (!ice_seg)
481 		return;
482 
483 	label_name = ice_enum_labels(ice_seg, ICE_SID_LBL_RXPARSER_TMEM, &state,
484 				     &val);
485 
486 	while (label_name && hw->tnl.count < ICE_TUNNEL_MAX_ENTRIES) {
487 		for (i = 0; tnls[i].type != TNL_LAST; i++) {
488 			if (!strncmp(label_name, tnls[i].label_prefix,
489 				     strlen(tnls[i].label_prefix))) {
490 				hw->tnl.tbl[hw->tnl.count].type = tnls[i].type;
491 				hw->tnl.tbl[hw->tnl.count].valid = false;
492 				hw->tnl.tbl[hw->tnl.count].in_use = false;
493 				hw->tnl.tbl[hw->tnl.count].marked = false;
494 				hw->tnl.tbl[hw->tnl.count].boost_addr = val;
495 				hw->tnl.tbl[hw->tnl.count].port = 0;
496 				hw->tnl.count++;
497 				break;
498 			}
499 		}
500 
501 		label_name = ice_enum_labels(NULL, 0, &state, &val);
502 	}
503 
504 	/* Cache the appropriate boost TCAM entry pointers */
505 	for (i = 0; i < hw->tnl.count; i++) {
506 		ice_find_boost_entry(ice_seg, hw->tnl.tbl[i].boost_addr,
507 				     &hw->tnl.tbl[i].boost_entry);
508 		if (hw->tnl.tbl[i].boost_entry)
509 			hw->tnl.tbl[i].valid = true;
510 	}
511 }
512 
513 /* Key creation */
514 
515 #define ICE_DC_KEY	0x1	/* don't care */
516 #define ICE_DC_KEYINV	0x1
517 #define ICE_NM_KEY	0x0	/* never match */
518 #define ICE_NM_KEYINV	0x0
519 #define ICE_0_KEY	0x1	/* match 0 */
520 #define ICE_0_KEYINV	0x0
521 #define ICE_1_KEY	0x0	/* match 1 */
522 #define ICE_1_KEYINV	0x1
523 
524 /**
525  * ice_gen_key_word - generate 16-bits of a key/mask word
526  * @val: the value
527  * @valid: valid bits mask (change only the valid bits)
528  * @dont_care: don't care mask
529  * @nvr_mtch: never match mask
530  * @key: pointer to an array of where the resulting key portion
531  * @key_inv: pointer to an array of where the resulting key invert portion
532  *
533  * This function generates 16-bits from a 8-bit value, an 8-bit don't care mask
534  * and an 8-bit never match mask. The 16-bits of output are divided into 8 bits
535  * of key and 8 bits of key invert.
536  *
537  *     '0' =    b01, always match a 0 bit
538  *     '1' =    b10, always match a 1 bit
539  *     '?' =    b11, don't care bit (always matches)
540  *     '~' =    b00, never match bit
541  *
542  * Input:
543  *          val:         b0  1  0  1  0  1
544  *          dont_care:   b0  0  1  1  0  0
545  *          never_mtch:  b0  0  0  0  1  1
546  *          ------------------------------
547  * Result:  key:        b01 10 11 11 00 00
548  */
549 static enum ice_status
550 ice_gen_key_word(u8 val, u8 valid, u8 dont_care, u8 nvr_mtch, u8 *key,
551 		 u8 *key_inv)
552 {
553 	u8 in_key = *key, in_key_inv = *key_inv;
554 	u8 i;
555 
556 	/* 'dont_care' and 'nvr_mtch' masks cannot overlap */
557 	if ((dont_care ^ nvr_mtch) != (dont_care | nvr_mtch))
558 		return ICE_ERR_CFG;
559 
560 	*key = 0;
561 	*key_inv = 0;
562 
563 	/* encode the 8 bits into 8-bit key and 8-bit key invert */
564 	for (i = 0; i < 8; i++) {
565 		*key >>= 1;
566 		*key_inv >>= 1;
567 
568 		if (!(valid & 0x1)) { /* change only valid bits */
569 			*key |= (in_key & 0x1) << 7;
570 			*key_inv |= (in_key_inv & 0x1) << 7;
571 		} else if (dont_care & 0x1) { /* don't care bit */
572 			*key |= ICE_DC_KEY << 7;
573 			*key_inv |= ICE_DC_KEYINV << 7;
574 		} else if (nvr_mtch & 0x1) { /* never match bit */
575 			*key |= ICE_NM_KEY << 7;
576 			*key_inv |= ICE_NM_KEYINV << 7;
577 		} else if (val & 0x01) { /* exact 1 match */
578 			*key |= ICE_1_KEY << 7;
579 			*key_inv |= ICE_1_KEYINV << 7;
580 		} else { /* exact 0 match */
581 			*key |= ICE_0_KEY << 7;
582 			*key_inv |= ICE_0_KEYINV << 7;
583 		}
584 
585 		dont_care >>= 1;
586 		nvr_mtch >>= 1;
587 		valid >>= 1;
588 		val >>= 1;
589 		in_key >>= 1;
590 		in_key_inv >>= 1;
591 	}
592 
593 	return ICE_SUCCESS;
594 }
595 
596 /**
597  * ice_bits_max_set - determine if the number of bits set is within a maximum
598  * @mask: pointer to the byte array which is the mask
599  * @size: the number of bytes in the mask
600  * @max: the max number of set bits
601  *
602  * This function determines if there are at most 'max' number of bits set in an
603  * array. Returns true if the number for bits set is <= max or will return false
604  * otherwise.
605  */
606 static bool ice_bits_max_set(const u8 *mask, u16 size, u16 max)
607 {
608 	u16 count = 0;
609 	u16 i, j;
610 
611 	/* check each byte */
612 	for (i = 0; i < size; i++) {
613 		/* if 0, go to next byte */
614 		if (!mask[i])
615 			continue;
616 
617 		/* We know there is at least one set bit in this byte because of
618 		 * the above check; if we already have found 'max' number of
619 		 * bits set, then we can return failure now.
620 		 */
621 		if (count == max)
622 			return false;
623 
624 		/* count the bits in this byte, checking threshold */
625 		for (j = 0; j < BITS_PER_BYTE; j++) {
626 			count += (mask[i] & (0x1 << j)) ? 1 : 0;
627 			if (count > max)
628 				return false;
629 		}
630 	}
631 
632 	return true;
633 }
634 
635 /**
636  * ice_set_key - generate a variable sized key with multiples of 16-bits
637  * @key: pointer to where the key will be stored
638  * @size: the size of the complete key in bytes (must be even)
639  * @val: array of 8-bit values that makes up the value portion of the key
640  * @upd: array of 8-bit masks that determine what key portion to update
641  * @dc: array of 8-bit masks that make up the dont' care mask
642  * @nm: array of 8-bit masks that make up the never match mask
643  * @off: the offset of the first byte in the key to update
644  * @len: the number of bytes in the key update
645  *
646  * This function generates a key from a value, a don't care mask and a never
647  * match mask.
648  * upd, dc, and nm are optional parameters, and can be NULL:
649  *	upd == NULL --> udp mask is all 1's (update all bits)
650  *	dc == NULL --> dc mask is all 0's (no don't care bits)
651  *	nm == NULL --> nm mask is all 0's (no never match bits)
652  */
653 enum ice_status
654 ice_set_key(u8 *key, u16 size, u8 *val, u8 *upd, u8 *dc, u8 *nm, u16 off,
655 	    u16 len)
656 {
657 	u16 half_size;
658 	u16 i;
659 
660 	/* size must be a multiple of 2 bytes. */
661 	if (size % 2)
662 		return ICE_ERR_CFG;
663 	half_size = size / 2;
664 
665 	if (off + len > half_size)
666 		return ICE_ERR_CFG;
667 
668 	/* Make sure at most one bit is set in the never match mask. Having more
669 	 * than one never match mask bit set will cause HW to consume excessive
670 	 * power otherwise; this is a power management efficiency check.
671 	 */
672 #define ICE_NVR_MTCH_BITS_MAX	1
673 	if (nm && !ice_bits_max_set(nm, len, ICE_NVR_MTCH_BITS_MAX))
674 		return ICE_ERR_CFG;
675 
676 	for (i = 0; i < len; i++)
677 		if (ice_gen_key_word(val[i], upd ? upd[i] : 0xff,
678 				     dc ? dc[i] : 0, nm ? nm[i] : 0,
679 				     key + off + i, key + half_size + off + i))
680 			return ICE_ERR_CFG;
681 
682 	return ICE_SUCCESS;
683 }
684 
685 /**
686  * ice_acquire_global_cfg_lock
687  * @hw: pointer to the HW structure
688  * @access: access type (read or write)
689  *
690  * This function will request ownership of the global config lock for reading
691  * or writing of the package. When attempting to obtain write access, the
692  * caller must check for the following two return values:
693  *
694  * ICE_SUCCESS        - Means the caller has acquired the global config lock
695  *                      and can perform writing of the package.
696  * ICE_ERR_AQ_NO_WORK - Indicates another driver has already written the
697  *                      package or has found that no update was necessary; in
698  *                      this case, the caller can just skip performing any
699  *                      update of the package.
700  */
701 static enum ice_status
702 ice_acquire_global_cfg_lock(struct ice_hw *hw,
703 			    enum ice_aq_res_access_type access)
704 {
705 	enum ice_status status;
706 
707 	ice_debug(hw, ICE_DBG_TRACE, "ice_acquire_global_cfg_lock");
708 
709 	status = ice_acquire_res(hw, ICE_GLOBAL_CFG_LOCK_RES_ID, access,
710 				 ICE_GLOBAL_CFG_LOCK_TIMEOUT);
711 
712 	if (status == ICE_ERR_AQ_NO_WORK)
713 		ice_debug(hw, ICE_DBG_PKG,
714 			  "Global config lock: No work to do\n");
715 
716 	return status;
717 }
718 
719 /**
720  * ice_release_global_cfg_lock
721  * @hw: pointer to the HW structure
722  *
723  * This function will release the global config lock.
724  */
725 static void ice_release_global_cfg_lock(struct ice_hw *hw)
726 {
727 	ice_release_res(hw, ICE_GLOBAL_CFG_LOCK_RES_ID);
728 }
729 
730 /**
731  * ice_acquire_change_lock
732  * @hw: pointer to the HW structure
733  * @access: access type (read or write)
734  *
735  * This function will request ownership of the change lock.
736  */
737 static enum ice_status
738 ice_acquire_change_lock(struct ice_hw *hw, enum ice_aq_res_access_type access)
739 {
740 	ice_debug(hw, ICE_DBG_TRACE, "ice_acquire_change_lock");
741 
742 	return ice_acquire_res(hw, ICE_CHANGE_LOCK_RES_ID, access,
743 			       ICE_CHANGE_LOCK_TIMEOUT);
744 }
745 
746 /**
747  * ice_release_change_lock
748  * @hw: pointer to the HW structure
749  *
750  * This function will release the change lock using the proper Admin Command.
751  */
752 static void ice_release_change_lock(struct ice_hw *hw)
753 {
754 	ice_debug(hw, ICE_DBG_TRACE, "ice_release_change_lock");
755 
756 	ice_release_res(hw, ICE_CHANGE_LOCK_RES_ID);
757 }
758 
759 /**
760  * ice_aq_download_pkg
761  * @hw: pointer to the hardware structure
762  * @pkg_buf: the package buffer to transfer
763  * @buf_size: the size of the package buffer
764  * @last_buf: last buffer indicator
765  * @error_offset: returns error offset
766  * @error_info: returns error information
767  * @cd: pointer to command details structure or NULL
768  *
769  * Download Package (0x0C40)
770  */
771 static enum ice_status
772 ice_aq_download_pkg(struct ice_hw *hw, struct ice_buf_hdr *pkg_buf,
773 		    u16 buf_size, bool last_buf, u32 *error_offset,
774 		    u32 *error_info, struct ice_sq_cd *cd)
775 {
776 	struct ice_aqc_download_pkg *cmd;
777 	struct ice_aq_desc desc;
778 	enum ice_status status;
779 
780 	ice_debug(hw, ICE_DBG_TRACE, "ice_aq_download_pkg");
781 
782 	if (error_offset)
783 		*error_offset = 0;
784 	if (error_info)
785 		*error_info = 0;
786 
787 	cmd = &desc.params.download_pkg;
788 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_download_pkg);
789 	desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
790 
791 	if (last_buf)
792 		cmd->flags |= ICE_AQC_DOWNLOAD_PKG_LAST_BUF;
793 
794 	status = ice_aq_send_cmd(hw, &desc, pkg_buf, buf_size, cd);
795 	if (status == ICE_ERR_AQ_ERROR) {
796 		/* Read error from buffer only when the FW returned an error */
797 		struct ice_aqc_download_pkg_resp *resp;
798 
799 		resp = (struct ice_aqc_download_pkg_resp *)pkg_buf;
800 		if (error_offset)
801 			*error_offset = LE32_TO_CPU(resp->error_offset);
802 		if (error_info)
803 			*error_info = LE32_TO_CPU(resp->error_info);
804 	}
805 
806 	return status;
807 }
808 
809 /**
810  * ice_aq_upload_section
811  * @hw: pointer to the hardware structure
812  * @pkg_buf: the package buffer which will receive the section
813  * @buf_size: the size of the package buffer
814  * @cd: pointer to command details structure or NULL
815  *
816  * Upload Section (0x0C41)
817  */
818 enum ice_status
819 ice_aq_upload_section(struct ice_hw *hw, struct ice_buf_hdr *pkg_buf,
820 		      u16 buf_size, struct ice_sq_cd *cd)
821 {
822 	struct ice_aq_desc desc;
823 
824 	ice_debug(hw, ICE_DBG_TRACE, "ice_aq_upload_section");
825 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_upload_section);
826 	desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
827 
828 	return ice_aq_send_cmd(hw, &desc, pkg_buf, buf_size, cd);
829 }
830 
831 /**
832  * ice_aq_update_pkg
833  * @hw: pointer to the hardware structure
834  * @pkg_buf: the package cmd buffer
835  * @buf_size: the size of the package cmd buffer
836  * @last_buf: last buffer indicator
837  * @error_offset: returns error offset
838  * @error_info: returns error information
839  * @cd: pointer to command details structure or NULL
840  *
841  * Update Package (0x0C42)
842  */
843 static enum ice_status
844 ice_aq_update_pkg(struct ice_hw *hw, struct ice_buf_hdr *pkg_buf, u16 buf_size,
845 		  bool last_buf, u32 *error_offset, u32 *error_info,
846 		  struct ice_sq_cd *cd)
847 {
848 	struct ice_aqc_download_pkg *cmd;
849 	struct ice_aq_desc desc;
850 	enum ice_status status;
851 
852 	ice_debug(hw, ICE_DBG_TRACE, "ice_aq_update_pkg");
853 
854 	if (error_offset)
855 		*error_offset = 0;
856 	if (error_info)
857 		*error_info = 0;
858 
859 	cmd = &desc.params.download_pkg;
860 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_update_pkg);
861 	desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
862 
863 	if (last_buf)
864 		cmd->flags |= ICE_AQC_DOWNLOAD_PKG_LAST_BUF;
865 
866 	status = ice_aq_send_cmd(hw, &desc, pkg_buf, buf_size, cd);
867 	if (status == ICE_ERR_AQ_ERROR) {
868 		/* Read error from buffer only when the FW returned an error */
869 		struct ice_aqc_download_pkg_resp *resp;
870 
871 		resp = (struct ice_aqc_download_pkg_resp *)pkg_buf;
872 		if (error_offset)
873 			*error_offset = LE32_TO_CPU(resp->error_offset);
874 		if (error_info)
875 			*error_info = LE32_TO_CPU(resp->error_info);
876 	}
877 
878 	return status;
879 }
880 
881 /**
882  * ice_find_seg_in_pkg
883  * @hw: pointer to the hardware structure
884  * @seg_type: the segment type to search for (i.e., SEGMENT_TYPE_CPK)
885  * @pkg_hdr: pointer to the package header to be searched
886  *
887  * This function searches a package file for a particular segment type. On
888  * success it returns a pointer to the segment header, otherwise it will
889  * return NULL.
890  */
891 struct ice_generic_seg_hdr *
892 ice_find_seg_in_pkg(struct ice_hw *hw, u32 seg_type,
893 		    struct ice_pkg_hdr *pkg_hdr)
894 {
895 	u32 i;
896 
897 	ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
898 	ice_debug(hw, ICE_DBG_PKG, "Package version: %d.%d.%d.%d\n",
899 		  pkg_hdr->format_ver.major, pkg_hdr->format_ver.minor,
900 		  pkg_hdr->format_ver.update, pkg_hdr->format_ver.draft);
901 
902 	/* Search all package segments for the requested segment type */
903 	for (i = 0; i < LE32_TO_CPU(pkg_hdr->seg_count); i++) {
904 		struct ice_generic_seg_hdr *seg;
905 
906 		seg = (struct ice_generic_seg_hdr *)
907 			((u8 *)pkg_hdr + LE32_TO_CPU(pkg_hdr->seg_offset[i]));
908 
909 		if (LE32_TO_CPU(seg->seg_type) == seg_type)
910 			return seg;
911 	}
912 
913 	return NULL;
914 }
915 
916 /**
917  * ice_update_pkg
918  * @hw: pointer to the hardware structure
919  * @bufs: pointer to an array of buffers
920  * @count: the number of buffers in the array
921  *
922  * Obtains change lock and updates package.
923  */
924 enum ice_status
925 ice_update_pkg(struct ice_hw *hw, struct ice_buf *bufs, u32 count)
926 {
927 	enum ice_status status;
928 	u32 offset, info, i;
929 
930 	status = ice_acquire_change_lock(hw, ICE_RES_WRITE);
931 	if (status)
932 		return status;
933 
934 	for (i = 0; i < count; i++) {
935 		bool last = ((i + 1) == count);
936 
937 		struct ice_buf_hdr *bh = (struct ice_buf_hdr *)(bufs + i);
938 
939 		status = ice_aq_update_pkg(hw, bh, LE16_TO_CPU(bh->data_end),
940 					   last, &offset, &info, NULL);
941 
942 		if (status) {
943 			ice_debug(hw, ICE_DBG_PKG,
944 				  "Update pkg failed: err %d off %d inf %d\n",
945 				  status, offset, info);
946 			break;
947 		}
948 	}
949 
950 	ice_release_change_lock(hw);
951 
952 	return status;
953 }
954 
955 /**
956  * ice_dwnld_cfg_bufs
957  * @hw: pointer to the hardware structure
958  * @bufs: pointer to an array of buffers
959  * @count: the number of buffers in the array
960  *
961  * Obtains global config lock and downloads the package configuration buffers
962  * to the firmware. Metadata buffers are skipped, and the first metadata buffer
963  * found indicates that the rest of the buffers are all metadata buffers.
964  */
965 static enum ice_status
966 ice_dwnld_cfg_bufs(struct ice_hw *hw, struct ice_buf *bufs, u32 count)
967 {
968 	enum ice_status status;
969 	struct ice_buf_hdr *bh;
970 	u32 offset, info, i;
971 
972 	if (!bufs || !count)
973 		return ICE_ERR_PARAM;
974 
975 	/* If the first buffer's first section has its metadata bit set
976 	 * then there are no buffers to be downloaded, and the operation is
977 	 * considered a success.
978 	 */
979 	bh = (struct ice_buf_hdr *)bufs;
980 	if (LE32_TO_CPU(bh->section_entry[0].type) & ICE_METADATA_BUF)
981 		return ICE_SUCCESS;
982 
983 	status = ice_acquire_global_cfg_lock(hw, ICE_RES_WRITE);
984 	if (status)
985 		return status;
986 
987 	for (i = 0; i < count; i++) {
988 		bool last = ((i + 1) == count);
989 
990 		if (!last) {
991 			/* check next buffer for metadata flag */
992 			bh = (struct ice_buf_hdr *)(bufs + i + 1);
993 
994 			/* A set metadata flag in the next buffer will signal
995 			 * that the current buffer will be the last buffer
996 			 * downloaded
997 			 */
998 			if (LE16_TO_CPU(bh->section_count))
999 				if (LE32_TO_CPU(bh->section_entry[0].type) &
1000 				    ICE_METADATA_BUF)
1001 					last = true;
1002 		}
1003 
1004 		bh = (struct ice_buf_hdr *)(bufs + i);
1005 
1006 		status = ice_aq_download_pkg(hw, bh, LE16_TO_CPU(bh->data_end),
1007 					     last, &offset, &info, NULL);
1008 
1009 		if (status) {
1010 			ice_debug(hw, ICE_DBG_PKG,
1011 				  "Pkg download failed: err %d off %d inf %d\n",
1012 				  status, offset, info);
1013 			break;
1014 		}
1015 
1016 		if (last)
1017 			break;
1018 	}
1019 
1020 	ice_release_global_cfg_lock(hw);
1021 
1022 	return status;
1023 }
1024 
1025 /**
1026  * ice_aq_get_pkg_info_list
1027  * @hw: pointer to the hardware structure
1028  * @pkg_info: the buffer which will receive the information list
1029  * @buf_size: the size of the pkg_info information buffer
1030  * @cd: pointer to command details structure or NULL
1031  *
1032  * Get Package Info List (0x0C43)
1033  */
1034 static enum ice_status
1035 ice_aq_get_pkg_info_list(struct ice_hw *hw,
1036 			 struct ice_aqc_get_pkg_info_resp *pkg_info,
1037 			 u16 buf_size, struct ice_sq_cd *cd)
1038 {
1039 	struct ice_aq_desc desc;
1040 
1041 	ice_debug(hw, ICE_DBG_TRACE, "ice_aq_get_pkg_info_list");
1042 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_pkg_info_list);
1043 
1044 	return ice_aq_send_cmd(hw, &desc, pkg_info, buf_size, cd);
1045 }
1046 
1047 /**
1048  * ice_download_pkg
1049  * @hw: pointer to the hardware structure
1050  * @ice_seg: pointer to the segment of the package to be downloaded
1051  *
1052  * Handles the download of a complete package.
1053  */
1054 enum ice_status ice_download_pkg(struct ice_hw *hw, struct ice_seg *ice_seg)
1055 {
1056 	struct ice_buf_table *ice_buf_tbl;
1057 
1058 	ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
1059 	ice_debug(hw, ICE_DBG_PKG, "Segment version: %d.%d.%d.%d\n",
1060 		  ice_seg->hdr.seg_ver.major, ice_seg->hdr.seg_ver.minor,
1061 		  ice_seg->hdr.seg_ver.update, ice_seg->hdr.seg_ver.draft);
1062 
1063 	ice_debug(hw, ICE_DBG_PKG, "Seg: type 0x%X, size %d, name %s\n",
1064 		  LE32_TO_CPU(ice_seg->hdr.seg_type),
1065 		  LE32_TO_CPU(ice_seg->hdr.seg_size), ice_seg->hdr.seg_name);
1066 
1067 	ice_buf_tbl = ice_find_buf_table(ice_seg);
1068 
1069 	ice_debug(hw, ICE_DBG_PKG, "Seg buf count: %d\n",
1070 		  LE32_TO_CPU(ice_buf_tbl->buf_count));
1071 
1072 	return ice_dwnld_cfg_bufs(hw, ice_buf_tbl->buf_array,
1073 				  LE32_TO_CPU(ice_buf_tbl->buf_count));
1074 }
1075 
1076 /**
1077  * ice_init_pkg_info
1078  * @hw: pointer to the hardware structure
1079  * @pkg_hdr: pointer to the driver's package hdr
1080  *
1081  * Saves off the package details into the HW structure.
1082  */
1083 enum ice_status
1084 ice_init_pkg_info(struct ice_hw *hw, struct ice_pkg_hdr *pkg_hdr)
1085 {
1086 	struct ice_aqc_get_pkg_info_resp *pkg_info;
1087 	struct ice_global_metadata_seg *meta_seg;
1088 	struct ice_generic_seg_hdr *seg_hdr;
1089 	enum ice_status status;
1090 	u16 size;
1091 	u32 i;
1092 
1093 	ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
1094 	if (!pkg_hdr)
1095 		return ICE_ERR_PARAM;
1096 
1097 	meta_seg = (struct ice_global_metadata_seg *)
1098 		   ice_find_seg_in_pkg(hw, SEGMENT_TYPE_METADATA, pkg_hdr);
1099 	if (meta_seg) {
1100 		hw->pkg_ver = meta_seg->pkg_ver;
1101 		ice_memcpy(hw->pkg_name, meta_seg->pkg_name,
1102 			   sizeof(hw->pkg_name), ICE_NONDMA_TO_NONDMA);
1103 
1104 		ice_debug(hw, ICE_DBG_PKG, "Pkg: %d.%d.%d.%d, %s\n",
1105 			  meta_seg->pkg_ver.major, meta_seg->pkg_ver.minor,
1106 			  meta_seg->pkg_ver.update, meta_seg->pkg_ver.draft,
1107 			  meta_seg->pkg_name);
1108 	} else {
1109 		ice_debug(hw, ICE_DBG_INIT,
1110 			  "Did not find metadata segment in driver package\n");
1111 		return ICE_ERR_CFG;
1112 	}
1113 
1114 	seg_hdr = ice_find_seg_in_pkg(hw, SEGMENT_TYPE_ICE, pkg_hdr);
1115 	if (seg_hdr) {
1116 		hw->ice_pkg_ver = seg_hdr->seg_ver;
1117 		ice_memcpy(hw->ice_pkg_name, seg_hdr->seg_name,
1118 			   sizeof(hw->ice_pkg_name), ICE_NONDMA_TO_NONDMA);
1119 
1120 		ice_debug(hw, ICE_DBG_PKG, "Ice Pkg: %d.%d.%d.%d, %s\n",
1121 			  seg_hdr->seg_ver.major, seg_hdr->seg_ver.minor,
1122 			  seg_hdr->seg_ver.update, seg_hdr->seg_ver.draft,
1123 			  seg_hdr->seg_name);
1124 	} else {
1125 		ice_debug(hw, ICE_DBG_INIT,
1126 			  "Did not find ice segment in driver package\n");
1127 		return ICE_ERR_CFG;
1128 	}
1129 
1130 #define ICE_PKG_CNT	4
1131 	size = sizeof(*pkg_info) + (sizeof(pkg_info->pkg_info[0]) *
1132 				    (ICE_PKG_CNT - 1));
1133 	pkg_info = (struct ice_aqc_get_pkg_info_resp *)ice_malloc(hw, size);
1134 	if (!pkg_info)
1135 		return ICE_ERR_NO_MEMORY;
1136 
1137 	status = ice_aq_get_pkg_info_list(hw, pkg_info, size, NULL);
1138 	if (status)
1139 		goto init_pkg_free_alloc;
1140 
1141 	for (i = 0; i < LE32_TO_CPU(pkg_info->count); i++) {
1142 #define ICE_PKG_FLAG_COUNT	4
1143 		char flags[ICE_PKG_FLAG_COUNT + 1] = { 0 };
1144 		u8 place = 0;
1145 
1146 		if (pkg_info->pkg_info[i].is_active) {
1147 			flags[place++] = 'A';
1148 			hw->active_pkg_ver = pkg_info->pkg_info[i].ver;
1149 			ice_memcpy(hw->active_pkg_name,
1150 				   pkg_info->pkg_info[i].name,
1151 				   sizeof(hw->active_pkg_name),
1152 				   ICE_NONDMA_TO_NONDMA);
1153 		}
1154 		if (pkg_info->pkg_info[i].is_active_at_boot)
1155 			flags[place++] = 'B';
1156 		if (pkg_info->pkg_info[i].is_modified)
1157 			flags[place++] = 'M';
1158 		if (pkg_info->pkg_info[i].is_in_nvm)
1159 			flags[place++] = 'N';
1160 
1161 		ice_debug(hw, ICE_DBG_PKG, "Pkg[%d]: %d.%d.%d.%d,%s,%s\n",
1162 			  i, pkg_info->pkg_info[i].ver.major,
1163 			  pkg_info->pkg_info[i].ver.minor,
1164 			  pkg_info->pkg_info[i].ver.update,
1165 			  pkg_info->pkg_info[i].ver.draft,
1166 			  pkg_info->pkg_info[i].name, flags);
1167 	}
1168 
1169 init_pkg_free_alloc:
1170 	ice_free(hw, pkg_info);
1171 
1172 	return status;
1173 }
1174 
1175 /**
1176  * ice_find_label_value
1177  * @ice_seg: pointer to the ice segment (non-NULL)
1178  * @name: name of the label to search for
1179  * @type: the section type that will contain the label
1180  * @value: pointer to a value that will return the label's value if found
1181  *
1182  * Finds a label's value given the label name and the section type to search.
1183  * The ice_seg parameter must not be NULL since the first call to
1184  * ice_enum_labels requires a pointer to an actual ice_seg structure.
1185  */
1186 enum ice_status
1187 ice_find_label_value(struct ice_seg *ice_seg, char const *name, u32 type,
1188 		     u16 *value)
1189 {
1190 	struct ice_pkg_enum state;
1191 	char *label_name;
1192 	u16 val;
1193 
1194 	if (!ice_seg)
1195 		return ICE_ERR_PARAM;
1196 
1197 	do {
1198 		label_name = ice_enum_labels(ice_seg, type, &state, &val);
1199 		if (label_name && !strcmp(label_name, name)) {
1200 			*value = val;
1201 			return ICE_SUCCESS;
1202 		}
1203 
1204 		ice_seg = NULL;
1205 	} while (label_name);
1206 
1207 	return ICE_ERR_CFG;
1208 }
1209 
1210 /**
1211  * ice_verify_pkg - verify package
1212  * @pkg: pointer to the package buffer
1213  * @len: size of the package buffer
1214  *
1215  * Verifies various attributes of the package file, including length, format
1216  * version, and the requirement of at least one segment.
1217  */
1218 static enum ice_status ice_verify_pkg(struct ice_pkg_hdr *pkg, u32 len)
1219 {
1220 	u32 seg_count;
1221 	u32 i;
1222 
1223 	if (len < sizeof(*pkg))
1224 		return ICE_ERR_BUF_TOO_SHORT;
1225 
1226 	if (pkg->format_ver.major != ICE_PKG_FMT_VER_MAJ ||
1227 	    pkg->format_ver.minor != ICE_PKG_FMT_VER_MNR ||
1228 	    pkg->format_ver.update != ICE_PKG_FMT_VER_UPD ||
1229 	    pkg->format_ver.draft != ICE_PKG_FMT_VER_DFT)
1230 		return ICE_ERR_CFG;
1231 
1232 	/* pkg must have at least one segment */
1233 	seg_count = LE32_TO_CPU(pkg->seg_count);
1234 	if (seg_count < 1)
1235 		return ICE_ERR_CFG;
1236 
1237 	/* make sure segment array fits in package length */
1238 	if (len < sizeof(*pkg) + ((seg_count - 1) * sizeof(pkg->seg_offset)))
1239 		return ICE_ERR_BUF_TOO_SHORT;
1240 
1241 	/* all segments must fit within length */
1242 	for (i = 0; i < seg_count; i++) {
1243 		u32 off = LE32_TO_CPU(pkg->seg_offset[i]);
1244 		struct ice_generic_seg_hdr *seg;
1245 
1246 		/* segment header must fit */
1247 		if (len < off + sizeof(*seg))
1248 			return ICE_ERR_BUF_TOO_SHORT;
1249 
1250 		seg = (struct ice_generic_seg_hdr *)((u8 *)pkg + off);
1251 
1252 		/* segment body must fit */
1253 		if (len < off + LE32_TO_CPU(seg->seg_size))
1254 			return ICE_ERR_BUF_TOO_SHORT;
1255 	}
1256 
1257 	return ICE_SUCCESS;
1258 }
1259 
1260 /**
1261  * ice_free_seg - free package segment pointer
1262  * @hw: pointer to the hardware structure
1263  *
1264  * Frees the package segment pointer in the proper manner, depending on if the
1265  * segment was allocated or just the passed in pointer was stored.
1266  */
1267 void ice_free_seg(struct ice_hw *hw)
1268 {
1269 	if (hw->pkg_copy) {
1270 		ice_free(hw, hw->pkg_copy);
1271 		hw->pkg_copy = NULL;
1272 		hw->pkg_size = 0;
1273 	}
1274 	hw->seg = NULL;
1275 }
1276 
1277 /**
1278  * ice_init_fd_mask_regs - initialize Flow Director mask registers
1279  * @hw: pointer to the HW struct
1280  *
1281  * This function sets up the Flow Director mask registers to allow for complete
1282  * masking off of any of the 24 Field Vector words. After this call, mask 0 will
1283  * mask off all of FV index 0, mask 1 will mask off all of FV index 1, etc.
1284  */
1285 static void ice_init_fd_mask_regs(struct ice_hw *hw)
1286 {
1287 	u16 i;
1288 
1289 	for (i = 0; i < hw->blk[ICE_BLK_FD].es.fvw; i++) {
1290 		wr32(hw, GLQF_FDMASK(i), i);
1291 		ice_debug(hw, ICE_DBG_INIT, "init fd mask(%d): %x = %x\n", i,
1292 			  GLQF_FDMASK(i), i);
1293 	}
1294 }
1295 
1296 /**
1297  * ice_init_pkg_regs - initialize additional package registers
1298  * @hw: pointer to the hardware structure
1299  */
1300 static void ice_init_pkg_regs(struct ice_hw *hw)
1301 {
1302 #define ICE_SW_BLK_INP_MASK_L 0xFFFFFFFF
1303 #define ICE_SW_BLK_INP_MASK_H 0x0000FFFF
1304 #define ICE_SW_BLK_IDX	0
1305 
1306 	/* setup Switch block input mask, which is 48-bits in two parts */
1307 	wr32(hw, GL_PREEXT_L2_PMASK0(ICE_SW_BLK_IDX), ICE_SW_BLK_INP_MASK_L);
1308 	wr32(hw, GL_PREEXT_L2_PMASK1(ICE_SW_BLK_IDX), ICE_SW_BLK_INP_MASK_H);
1309 	/* setup default flow director masks */
1310 	ice_init_fd_mask_regs(hw);
1311 }
1312 
1313 /**
1314  * ice_init_pkg - initialize/download package
1315  * @hw: pointer to the hardware structure
1316  * @buf: pointer to the package buffer
1317  * @len: size of the package buffer
1318  *
1319  * This function initializes a package. The package contains HW tables
1320  * required to do packet processing. First, the function extracts package
1321  * information such as version. Then it finds the ice configuration segment
1322  * within the package; this function then saves a copy of the segment pointer
1323  * within the supplied package buffer. Next, the function will cache any hints
1324  * from the package, followed by downloading the package itself. Note, that if
1325  * a previous PF driver has already downloaded the package successfully, then
1326  * the current driver will not have to download the package again.
1327  *
1328  * The local package contents will be used to query default behavior and to
1329  * update specific sections of the HW's version of the package (e.g. to update
1330  * the parse graph to understand new protocols).
1331  *
1332  * This function stores a pointer to the package buffer memory, and it is
1333  * expected that the supplied buffer will not be freed immediately. If the
1334  * package buffer needs to be freed, such as when read from a file, use
1335  * ice_copy_and_init_pkg() instead of directly calling ice_init_pkg() in this
1336  * case.
1337  */
1338 enum ice_status ice_init_pkg(struct ice_hw *hw, u8 *buf, u32 len)
1339 {
1340 	struct ice_pkg_hdr *pkg;
1341 	enum ice_status status;
1342 	struct ice_seg *seg;
1343 
1344 	if (!buf || !len)
1345 		return ICE_ERR_PARAM;
1346 
1347 	pkg = (struct ice_pkg_hdr *)buf;
1348 	status = ice_verify_pkg(pkg, len);
1349 	if (status) {
1350 		ice_debug(hw, ICE_DBG_INIT, "failed to verify pkg (err: %d)\n",
1351 			  status);
1352 		return status;
1353 	}
1354 
1355 	/* initialize package info */
1356 	status = ice_init_pkg_info(hw, pkg);
1357 	if (status)
1358 		return status;
1359 
1360 	/* find segment in given package */
1361 	seg = (struct ice_seg *)ice_find_seg_in_pkg(hw, SEGMENT_TYPE_ICE, pkg);
1362 	if (!seg) {
1363 		ice_debug(hw, ICE_DBG_INIT, "no ice segment in package.\n");
1364 		return ICE_ERR_CFG;
1365 	}
1366 
1367 	/* initialize package hints and then download package */
1368 	ice_init_pkg_hints(hw, seg);
1369 	status = ice_download_pkg(hw, seg);
1370 	if (status == ICE_ERR_AQ_NO_WORK) {
1371 		ice_debug(hw, ICE_DBG_INIT,
1372 			  "package previously loaded - no work.\n");
1373 		status = ICE_SUCCESS;
1374 	}
1375 
1376 	if (!status) {
1377 		hw->seg = seg;
1378 		/* on successful package download, update other required
1379 		 * registers to support the package
1380 		 */
1381 		ice_init_pkg_regs(hw);
1382 	} else {
1383 		ice_debug(hw, ICE_DBG_INIT, "package load failed, %d\n",
1384 			  status);
1385 	}
1386 
1387 	return status;
1388 }
1389 
1390 /**
1391  * ice_copy_and_init_pkg - initialize/download a copy of the package
1392  * @hw: pointer to the hardware structure
1393  * @buf: pointer to the package buffer
1394  * @len: size of the package buffer
1395  *
1396  * This function copies the package buffer, and then calls ice_init_pkg() to
1397  * initialize the copied package contents.
1398  *
1399  * The copying is necessary if the package buffer supplied is constant, or if
1400  * the memory may disappear shortly after calling this function.
1401  *
1402  * If the package buffer resides in the data segment and can be modified, the
1403  * caller is free to use ice_init_pkg() instead of ice_copy_and_init_pkg().
1404  *
1405  * However, if the package buffer needs to be copied first, such as when being
1406  * read from a file, the caller should use ice_copy_and_init_pkg().
1407  *
1408  * This function will first copy the package buffer, before calling
1409  * ice_init_pkg(). The caller is free to immediately destroy the original
1410  * package buffer, as the new copy will be managed by this function and
1411  * related routines.
1412  */
1413 enum ice_status ice_copy_and_init_pkg(struct ice_hw *hw, const u8 *buf, u32 len)
1414 {
1415 	enum ice_status status;
1416 	u8 *buf_copy;
1417 
1418 	if (!buf || !len)
1419 		return ICE_ERR_PARAM;
1420 
1421 	buf_copy = (u8 *)ice_memdup(hw, buf, len, ICE_NONDMA_TO_NONDMA);
1422 
1423 	status = ice_init_pkg(hw, buf_copy, len);
1424 	if (status) {
1425 		/* Free the copy, since we failed to initialize the package */
1426 		ice_free(hw, buf_copy);
1427 	} else {
1428 		/* Track the copied pkg so we can free it later */
1429 		hw->pkg_copy = buf_copy;
1430 		hw->pkg_size = len;
1431 	}
1432 
1433 	return status;
1434 }
1435 
1436 /**
1437  * ice_pkg_buf_alloc
1438  * @hw: pointer to the HW structure
1439  *
1440  * Allocates a package buffer and returns a pointer to the buffer header.
1441  * Note: all package contents must be in Little Endian form.
1442  */
1443 struct ice_buf_build *ice_pkg_buf_alloc(struct ice_hw *hw)
1444 {
1445 	struct ice_buf_build *bld;
1446 	struct ice_buf_hdr *buf;
1447 
1448 	bld = (struct ice_buf_build *)ice_malloc(hw, sizeof(*bld));
1449 	if (!bld)
1450 		return NULL;
1451 
1452 	buf = (struct ice_buf_hdr *)bld;
1453 	buf->data_end = CPU_TO_LE16(sizeof(*buf) -
1454 				    sizeof(buf->section_entry[0]));
1455 	return bld;
1456 }
1457 
1458 /**
1459  * ice_sw_fv_handler
1460  * @sect_type: section type
1461  * @section: pointer to section
1462  * @index: index of the field vector entry to be returned
1463  * @offset: ptr to variable that receives the offset in the field vector table
1464  *
1465  * This is a callback function that can be passed to ice_pkg_enum_entry.
1466  * This function treats the given section as of type ice_sw_fv_section and
1467  * enumerates offset field. "offset" is an index into the field vector
1468  * vector table.
1469  */
1470 static void *
1471 ice_sw_fv_handler(u32 sect_type, void *section, u32 index, u32 *offset)
1472 {
1473 	struct ice_sw_fv_section *fv_section =
1474 		(struct ice_sw_fv_section *)section;
1475 
1476 	if (!section || sect_type != ICE_SID_FLD_VEC_SW)
1477 		return NULL;
1478 	if (index >= LE16_TO_CPU(fv_section->count))
1479 		return NULL;
1480 	if (offset)
1481 		/* "index" passed in to this function is relative to a given
1482 		 * 4k block. To get to the true index into the field vector
1483 		 * table need to add the relative index to the base_offset
1484 		 * field of this section
1485 		 */
1486 		*offset = LE16_TO_CPU(fv_section->base_offset) + index;
1487 	return fv_section->fv + index;
1488 }
1489 
1490 /**
1491  * ice_get_sw_fv_list
1492  * @hw: pointer to the HW structure
1493  * @prot_ids: field vector to search for with a given protocol ID
1494  * @ids_cnt: lookup/protocol count
1495  * @fv_list: Head of a list
1496  *
1497  * Finds all the field vector entries from switch block that contain
1498  * a given protocol ID and returns a list of structures of type
1499  * "ice_sw_fv_list_entry". Every structure in the list has a field vector
1500  * definition and profile ID information
1501  * NOTE: The caller of the function is responsible for freeing the memory
1502  * allocated for every list entry.
1503  */
1504 enum ice_status
1505 ice_get_sw_fv_list(struct ice_hw *hw, u16 *prot_ids, u8 ids_cnt,
1506 		   struct LIST_HEAD_TYPE *fv_list)
1507 {
1508 	struct ice_sw_fv_list_entry *fvl;
1509 	struct ice_sw_fv_list_entry *tmp;
1510 	struct ice_pkg_enum state;
1511 	struct ice_seg *ice_seg;
1512 	struct ice_fv *fv;
1513 	u32 offset;
1514 
1515 	if (!ids_cnt || !hw->seg)
1516 		return ICE_ERR_PARAM;
1517 
1518 	ice_seg = hw->seg;
1519 	do {
1520 		u8 i;
1521 
1522 		fv = (struct ice_fv *)
1523 			ice_pkg_enum_entry(ice_seg, &state, ICE_SID_FLD_VEC_SW,
1524 					   &offset, ice_sw_fv_handler);
1525 
1526 		for (i = 0; i < ids_cnt && fv; i++) {
1527 			int j;
1528 
1529 			/* This code assumes that if a switch field vector line
1530 			 * has a matching protocol, then this line will contain
1531 			 * the entries necessary to represent every field in
1532 			 * that protocol header.
1533 			 */
1534 			for (j = 0; j < hw->blk[ICE_BLK_SW].es.fvw; j++)
1535 				if (fv->ew[j].prot_id == prot_ids[i])
1536 					break;
1537 			if (j >= hw->blk[ICE_BLK_SW].es.fvw)
1538 				break;
1539 			if (i + 1 == ids_cnt) {
1540 				fvl = (struct ice_sw_fv_list_entry *)
1541 					ice_malloc(hw, sizeof(*fvl));
1542 				if (!fvl)
1543 					goto err;
1544 				fvl->fv_ptr = fv;
1545 				fvl->profile_id = offset;
1546 				LIST_ADD(&fvl->list_entry, fv_list);
1547 				break;
1548 			}
1549 		}
1550 		ice_seg = NULL;
1551 	} while (fv);
1552 	if (LIST_EMPTY(fv_list))
1553 		return ICE_ERR_CFG;
1554 	return ICE_SUCCESS;
1555 
1556 err:
1557 	LIST_FOR_EACH_ENTRY_SAFE(fvl, tmp, fv_list, ice_sw_fv_list_entry,
1558 				 list_entry) {
1559 		LIST_DEL(&fvl->list_entry);
1560 		ice_free(hw, fvl);
1561 	}
1562 
1563 	return ICE_ERR_NO_MEMORY;
1564 }
1565 
1566 /**
1567  * ice_pkg_buf_alloc_single_section
1568  * @hw: pointer to the HW structure
1569  * @type: the section type value
1570  * @size: the size of the section to reserve (in bytes)
1571  * @section: returns pointer to the section
1572  *
1573  * Allocates a package buffer with a single section.
1574  * Note: all package contents must be in Little Endian form.
1575  */
1576 static struct ice_buf_build *
1577 ice_pkg_buf_alloc_single_section(struct ice_hw *hw, u32 type, u16 size,
1578 				 void **section)
1579 {
1580 	struct ice_buf_build *buf;
1581 
1582 	if (!section)
1583 		return NULL;
1584 
1585 	buf = ice_pkg_buf_alloc(hw);
1586 	if (!buf)
1587 		return NULL;
1588 
1589 	if (ice_pkg_buf_reserve_section(buf, 1))
1590 		goto ice_pkg_buf_alloc_single_section_err;
1591 
1592 	*section = ice_pkg_buf_alloc_section(buf, type, size);
1593 	if (!*section)
1594 		goto ice_pkg_buf_alloc_single_section_err;
1595 
1596 	return buf;
1597 
1598 ice_pkg_buf_alloc_single_section_err:
1599 	ice_pkg_buf_free(hw, buf);
1600 	return NULL;
1601 }
1602 
1603 /**
1604  * ice_pkg_buf_reserve_section
1605  * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
1606  * @count: the number of sections to reserve
1607  *
1608  * Reserves one or more section table entries in a package buffer. This routine
1609  * can be called multiple times as long as they are made before calling
1610  * ice_pkg_buf_alloc_section(). Once ice_pkg_buf_alloc_section()
1611  * is called once, the number of sections that can be allocated will not be able
1612  * to be increased; not using all reserved sections is fine, but this will
1613  * result in some wasted space in the buffer.
1614  * Note: all package contents must be in Little Endian form.
1615  */
1616 enum ice_status
1617 ice_pkg_buf_reserve_section(struct ice_buf_build *bld, u16 count)
1618 {
1619 	struct ice_buf_hdr *buf;
1620 	u16 section_count;
1621 	u16 data_end;
1622 
1623 	if (!bld)
1624 		return ICE_ERR_PARAM;
1625 
1626 	buf = (struct ice_buf_hdr *)&bld->buf;
1627 
1628 	/* already an active section, can't increase table size */
1629 	section_count = LE16_TO_CPU(buf->section_count);
1630 	if (section_count > 0)
1631 		return ICE_ERR_CFG;
1632 
1633 	if (bld->reserved_section_table_entries + count > ICE_MAX_S_COUNT)
1634 		return ICE_ERR_CFG;
1635 	bld->reserved_section_table_entries += count;
1636 
1637 	data_end = LE16_TO_CPU(buf->data_end) +
1638 		   (count * sizeof(buf->section_entry[0]));
1639 	buf->data_end = CPU_TO_LE16(data_end);
1640 
1641 	return ICE_SUCCESS;
1642 }
1643 
1644 /**
1645  * ice_pkg_buf_unreserve_section
1646  * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
1647  * @count: the number of sections to unreserve
1648  *
1649  * Unreserves one or more section table entries in a package buffer, releasing
1650  * space that can be used for section data. This routine can be called
1651  * multiple times as long as they are made before calling
1652  * ice_pkg_buf_alloc_section(). Once ice_pkg_buf_alloc_section()
1653  * is called once, the number of sections that can be allocated will not be able
1654  * to be increased; not using all reserved sections is fine, but this will
1655  * result in some wasted space in the buffer.
1656  * Note: all package contents must be in Little Endian form.
1657  */
1658 enum ice_status
1659 ice_pkg_buf_unreserve_section(struct ice_buf_build *bld, u16 count)
1660 {
1661 	struct ice_buf_hdr *buf;
1662 	u16 section_count;
1663 	u16 data_end;
1664 
1665 	if (!bld)
1666 		return ICE_ERR_PARAM;
1667 
1668 	buf = (struct ice_buf_hdr *)&bld->buf;
1669 
1670 	/* already an active section, can't decrease table size */
1671 	section_count = LE16_TO_CPU(buf->section_count);
1672 	if (section_count > 0)
1673 		return ICE_ERR_CFG;
1674 
1675 	if (count > bld->reserved_section_table_entries)
1676 		return ICE_ERR_CFG;
1677 	bld->reserved_section_table_entries -= count;
1678 
1679 	data_end = LE16_TO_CPU(buf->data_end) -
1680 		   (count * sizeof(buf->section_entry[0]));
1681 	buf->data_end = CPU_TO_LE16(data_end);
1682 
1683 	return ICE_SUCCESS;
1684 }
1685 
1686 /**
1687  * ice_pkg_buf_alloc_section
1688  * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
1689  * @type: the section type value
1690  * @size: the size of the section to reserve (in bytes)
1691  *
1692  * Reserves memory in the buffer for a section's content and updates the
1693  * buffers' status accordingly. This routine returns a pointer to the first
1694  * byte of the section start within the buffer, which is used to fill in the
1695  * section contents.
1696  * Note: all package contents must be in Little Endian form.
1697  */
1698 void *
1699 ice_pkg_buf_alloc_section(struct ice_buf_build *bld, u32 type, u16 size)
1700 {
1701 	struct ice_buf_hdr *buf;
1702 	u16 sect_count;
1703 	u16 data_end;
1704 
1705 	if (!bld || !type || !size)
1706 		return NULL;
1707 
1708 	buf = (struct ice_buf_hdr *)&bld->buf;
1709 
1710 	/* check for enough space left in buffer */
1711 	data_end = LE16_TO_CPU(buf->data_end);
1712 
1713 	/* section start must align on 4 byte boundary */
1714 	data_end = ICE_ALIGN(data_end, 4);
1715 
1716 	if ((data_end + size) > ICE_MAX_S_DATA_END)
1717 		return NULL;
1718 
1719 	/* check for more available section table entries */
1720 	sect_count = LE16_TO_CPU(buf->section_count);
1721 	if (sect_count < bld->reserved_section_table_entries) {
1722 		void *section_ptr = ((u8 *)buf) + data_end;
1723 
1724 		buf->section_entry[sect_count].offset = CPU_TO_LE16(data_end);
1725 		buf->section_entry[sect_count].size = CPU_TO_LE16(size);
1726 		buf->section_entry[sect_count].type = CPU_TO_LE32(type);
1727 
1728 		data_end += size;
1729 		buf->data_end = CPU_TO_LE16(data_end);
1730 
1731 		buf->section_count = CPU_TO_LE16(sect_count + 1);
1732 		return section_ptr;
1733 	}
1734 
1735 	/* no free section table entries */
1736 	return NULL;
1737 }
1738 
1739 /**
1740  * ice_pkg_buf_get_free_space
1741  * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
1742  *
1743  * Returns the number of free bytes remaining in the buffer.
1744  * Note: all package contents must be in Little Endian form.
1745  */
1746 u16 ice_pkg_buf_get_free_space(struct ice_buf_build *bld)
1747 {
1748 	struct ice_buf_hdr *buf;
1749 
1750 	if (!bld)
1751 		return 0;
1752 
1753 	buf = (struct ice_buf_hdr *)&bld->buf;
1754 	return ICE_MAX_S_DATA_END - LE16_TO_CPU(buf->data_end);
1755 }
1756 
1757 /**
1758  * ice_pkg_buf_get_active_sections
1759  * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
1760  *
1761  * Returns the number of active sections. Before using the package buffer
1762  * in an update package command, the caller should make sure that there is at
1763  * least one active section - otherwise, the buffer is not legal and should
1764  * not be used.
1765  * Note: all package contents must be in Little Endian form.
1766  */
1767 u16 ice_pkg_buf_get_active_sections(struct ice_buf_build *bld)
1768 {
1769 	struct ice_buf_hdr *buf;
1770 
1771 	if (!bld)
1772 		return 0;
1773 
1774 	buf = (struct ice_buf_hdr *)&bld->buf;
1775 	return LE16_TO_CPU(buf->section_count);
1776 }
1777 
1778 /**
1779  * ice_pkg_buf_header
1780  * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
1781  *
1782  * Return a pointer to the buffer's header
1783  */
1784 struct ice_buf *ice_pkg_buf(struct ice_buf_build *bld)
1785 {
1786 	if (!bld)
1787 		return NULL;
1788 
1789 	return &bld->buf;
1790 }
1791 
1792 /**
1793  * ice_pkg_buf_free
1794  * @hw: pointer to the HW structure
1795  * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
1796  *
1797  * Frees a package buffer
1798  */
1799 void ice_pkg_buf_free(struct ice_hw *hw, struct ice_buf_build *bld)
1800 {
1801 	ice_free(hw, bld);
1802 }
1803 
1804 /* PTG Management */
1805 
1806 /**
1807  * ice_ptg_update_xlt1 - Updates packet type groups in HW via XLT1 table
1808  * @hw: pointer to the hardware structure
1809  * @blk: HW block
1810  *
1811  * This function will update the XLT1 hardware table to reflect the new
1812  * packet type group configuration.
1813  */
1814 enum ice_status ice_ptg_update_xlt1(struct ice_hw *hw, enum ice_block blk)
1815 {
1816 	struct ice_xlt1_section *sect;
1817 	struct ice_buf_build *bld;
1818 	enum ice_status status;
1819 	u16 index;
1820 
1821 	bld = ice_pkg_buf_alloc_single_section(hw, ice_sect_id(blk, ICE_XLT1),
1822 					       ICE_XLT1_SIZE(ICE_XLT1_CNT),
1823 					       (void **)&sect);
1824 	if (!bld)
1825 		return ICE_ERR_NO_MEMORY;
1826 
1827 	sect->count = CPU_TO_LE16(ICE_XLT1_CNT);
1828 	sect->offset = CPU_TO_LE16(0);
1829 	for (index = 0; index < ICE_XLT1_CNT; index++)
1830 		sect->value[index] = hw->blk[blk].xlt1.ptypes[index].ptg;
1831 
1832 	status = ice_update_pkg(hw, ice_pkg_buf(bld), 1);
1833 
1834 	ice_pkg_buf_free(hw, bld);
1835 
1836 	return status;
1837 }
1838 
1839 /**
1840  * ice_ptg_find_ptype - Search for packet type group using packet type (ptype)
1841  * @hw: pointer to the hardware structure
1842  * @blk: HW block
1843  * @ptype: the ptype to search for
1844  * @ptg: pointer to variable that receives the PTG
1845  *
1846  * This function will search the PTGs for a particular ptype, returning the
1847  * PTG ID that contains it through the ptg parameter, with the value of
1848  * ICE_DEFAULT_PTG (0) meaning it is part the default PTG.
1849  */
1850 enum ice_status
1851 ice_ptg_find_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 *ptg)
1852 {
1853 	if (ptype >= ICE_XLT1_CNT || !ptg)
1854 		return ICE_ERR_PARAM;
1855 
1856 	*ptg = hw->blk[blk].xlt1.ptypes[ptype].ptg;
1857 	return ICE_SUCCESS;
1858 }
1859 
1860 /**
1861  * ice_ptg_alloc_val - Allocates a new packet type group ID by value
1862  * @hw: pointer to the hardware structure
1863  * @blk: HW block
1864  * @ptg: the ptg to allocate
1865  *
1866  * This function allocates a given packet type group ID specified by the ptg
1867  * parameter.
1868  */
1869 static
1870 void ice_ptg_alloc_val(struct ice_hw *hw, enum ice_block blk, u8 ptg)
1871 {
1872 	hw->blk[blk].xlt1.ptg_tbl[ptg].in_use = true;
1873 }
1874 
1875 /**
1876  * ice_ptg_alloc - Find a free entry and allocates a new packet type group ID
1877  * @hw: pointer to the hardware structure
1878  * @blk: HW block
1879  *
1880  * This function allocates and returns a new packet type group ID. Note
1881  * that 0 is the default packet type group, so successfully created PTGs will
1882  * have a non-zero ID value; which means a 0 return value indicates an error.
1883  */
1884 u8 ice_ptg_alloc(struct ice_hw *hw, enum ice_block blk)
1885 {
1886 	u16 i;
1887 
1888 	/* Skip the default PTG of 0 */
1889 	for (i = 1; i < ICE_MAX_PTGS; i++)
1890 		if (!hw->blk[blk].xlt1.ptg_tbl[i].in_use) {
1891 			/* found a free PTG ID */
1892 			ice_ptg_alloc_val(hw, blk, i);
1893 			return (u8)i;
1894 		}
1895 
1896 	return 0;
1897 }
1898 
1899 /**
1900  * ice_ptg_free - Frees a packet type group
1901  * @hw: pointer to the hardware structure
1902  * @blk: HW block
1903  * @ptg: the ptg ID to free
1904  *
1905  * This function frees a packet type group, and returns all the current ptypes
1906  * within it to the default PTG.
1907  */
1908 void ice_ptg_free(struct ice_hw *hw, enum ice_block blk, u8 ptg)
1909 {
1910 	struct ice_ptg_ptype *p, *temp;
1911 
1912 	hw->blk[blk].xlt1.ptg_tbl[ptg].in_use = false;
1913 	p = hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype;
1914 	while (p) {
1915 		p->ptg = ICE_DEFAULT_PTG;
1916 		temp = p->next_ptype;
1917 		p->next_ptype = NULL;
1918 		p = temp;
1919 	}
1920 
1921 	hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype = NULL;
1922 }
1923 
1924 /**
1925  * ice_ptg_remove_ptype - Removes ptype from a particular packet type group
1926  * @hw: pointer to the hardware structure
1927  * @blk: HW block
1928  * @ptype: the ptype to remove
1929  * @ptg: the ptg to remove the ptype from
1930  *
1931  * This function will remove the ptype from the specific ptg, and move it to
1932  * the default PTG (ICE_DEFAULT_PTG).
1933  */
1934 static enum ice_status
1935 ice_ptg_remove_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 ptg)
1936 {
1937 	struct ice_ptg_ptype **ch;
1938 	struct ice_ptg_ptype *p;
1939 
1940 	if (ptype > ICE_XLT1_CNT - 1)
1941 		return ICE_ERR_PARAM;
1942 
1943 	if (!hw->blk[blk].xlt1.ptg_tbl[ptg].in_use)
1944 		return ICE_ERR_DOES_NOT_EXIST;
1945 
1946 	/* Should not happen if .in_use is set, bad config */
1947 	if (!hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype)
1948 		return ICE_ERR_CFG;
1949 
1950 	/* find the ptype within this PTG, and bypass the link over it */
1951 	p = hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype;
1952 	ch = &hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype;
1953 	while (p) {
1954 		if (ptype == (p - hw->blk[blk].xlt1.ptypes)) {
1955 			*ch = p->next_ptype;
1956 			break;
1957 		}
1958 
1959 		ch = &p->next_ptype;
1960 		p = p->next_ptype;
1961 	}
1962 
1963 	hw->blk[blk].xlt1.ptypes[ptype].ptg = ICE_DEFAULT_PTG;
1964 	hw->blk[blk].xlt1.ptypes[ptype].next_ptype = NULL;
1965 
1966 	return ICE_SUCCESS;
1967 }
1968 
1969 /**
1970  * ice_ptg_add_mv_ptype - Adds/moves ptype to a particular packet type group
1971  * @hw: pointer to the hardware structure
1972  * @blk: HW block
1973  * @ptype: the ptype to add or move
1974  * @ptg: the ptg to add or move the ptype to
1975  *
1976  * This function will either add or move a ptype to a particular PTG depending
1977  * on if the ptype is already part of another group. Note that using a
1978  * a destination PTG ID of ICE_DEFAULT_PTG (0) will move the ptype to the
1979  * default PTG.
1980  */
1981 enum ice_status
1982 ice_ptg_add_mv_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 ptg)
1983 {
1984 	enum ice_status status;
1985 	u8 original_ptg;
1986 
1987 	if (ptype > ICE_XLT1_CNT - 1)
1988 		return ICE_ERR_PARAM;
1989 
1990 	if (!hw->blk[blk].xlt1.ptg_tbl[ptg].in_use && ptg != ICE_DEFAULT_PTG)
1991 		return ICE_ERR_DOES_NOT_EXIST;
1992 
1993 	status = ice_ptg_find_ptype(hw, blk, ptype, &original_ptg);
1994 	if (status)
1995 		return status;
1996 
1997 	/* Is ptype already in the correct PTG? */
1998 	if (original_ptg == ptg)
1999 		return ICE_SUCCESS;
2000 
2001 	/* Remove from original PTG and move back to the default PTG */
2002 	if (original_ptg != ICE_DEFAULT_PTG)
2003 		ice_ptg_remove_ptype(hw, blk, ptype, original_ptg);
2004 
2005 	/* Moving to default PTG? Then we're done with this request */
2006 	if (ptg == ICE_DEFAULT_PTG)
2007 		return ICE_SUCCESS;
2008 
2009 	/* Add ptype to PTG at beginning of list */
2010 	hw->blk[blk].xlt1.ptypes[ptype].next_ptype =
2011 		hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype;
2012 	hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype =
2013 		&hw->blk[blk].xlt1.ptypes[ptype];
2014 
2015 	hw->blk[blk].xlt1.ptypes[ptype].ptg = ptg;
2016 	hw->blk[blk].xlt1.t[ptype] = ptg;
2017 
2018 	return ICE_SUCCESS;
2019 }
2020 
2021 /* Block / table size info */
2022 struct ice_blk_size_details {
2023 	u16 xlt1;			/* # XLT1 entries */
2024 	u16 xlt2;			/* # XLT2 entries */
2025 	u16 prof_tcam;			/* # profile ID TCAM entries */
2026 	u16 prof_id;			/* # profile IDs */
2027 	u8 prof_cdid_bits;		/* # cdid one-hot bits used in key */
2028 	u16 prof_redir;			/* # profile redirection entries */
2029 	u16 es;				/* # extraction sequence entries */
2030 	u16 fvw;			/* # field vector words */
2031 	u8 overwrite;			/* overwrite existing entries allowed */
2032 	u8 reverse;			/* reverse FV order */
2033 };
2034 
2035 static const struct ice_blk_size_details blk_sizes[ICE_BLK_COUNT] = {
2036 	/**
2037 	 * Table Definitions
2038 	 * XLT1 - Number of entries in XLT1 table
2039 	 * XLT2 - Number of entries in XLT2 table
2040 	 * TCAM - Number of entries Profile ID TCAM table
2041 	 * CDID - Control Domain ID of the hardware block
2042 	 * PRED - Number of entries in the Profile Redirection Table
2043 	 * FV   - Number of entries in the Field Vector
2044 	 * FVW  - Width (in WORDs) of the Field Vector
2045 	 * OVR  - Overwrite existing table entries
2046 	 * REV  - Reverse FV
2047 	 */
2048 	/*          XLT1        , XLT2        ,TCAM, PID,CDID,PRED,   FV, FVW */
2049 	/*          Overwrite   , Reverse FV */
2050 	/* SW  */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 256,   0,  256, 256,  48,
2051 		    false, false },
2052 	/* ACL */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128,   0,  128, 128,  32,
2053 		    false, false },
2054 	/* FD  */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128,   0,  128, 128,  24,
2055 		    false, true  },
2056 	/* RSS */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128,   0,  128, 128,  24,
2057 		    true,  true  },
2058 	/* PE  */ { ICE_XLT1_CNT, ICE_XLT2_CNT,  64,  32,   0,   32,  32,  24,
2059 		    false, false },
2060 };
2061 
2062 enum ice_sid_all {
2063 	ICE_SID_XLT1_OFF = 0,
2064 	ICE_SID_XLT2_OFF,
2065 	ICE_SID_PR_OFF,
2066 	ICE_SID_PR_REDIR_OFF,
2067 	ICE_SID_ES_OFF,
2068 	ICE_SID_OFF_COUNT,
2069 };
2070 
2071 /* Characteristic handling */
2072 
2073 /**
2074  * ice_match_prop_lst - determine if properties of two lists match
2075  * @list1: first properties list
2076  * @list2: second properties list
2077  *
2078  * Count, cookies and the order must match in order to be considered equivalent.
2079  */
2080 static bool
2081 ice_match_prop_lst(struct LIST_HEAD_TYPE *list1, struct LIST_HEAD_TYPE *list2)
2082 {
2083 	struct ice_vsig_prof *tmp1;
2084 	struct ice_vsig_prof *tmp2;
2085 	u16 chk_count = 0;
2086 	u16 count = 0;
2087 
2088 	/* compare counts */
2089 	LIST_FOR_EACH_ENTRY(tmp1, list1, ice_vsig_prof, list) {
2090 		count++;
2091 	}
2092 	LIST_FOR_EACH_ENTRY(tmp2, list2, ice_vsig_prof, list) {
2093 		chk_count++;
2094 	}
2095 	if (!count || count != chk_count)
2096 		return false;
2097 
2098 	tmp1 = LIST_FIRST_ENTRY(list1, struct ice_vsig_prof, list);
2099 	tmp2 = LIST_FIRST_ENTRY(list2, struct ice_vsig_prof, list);
2100 
2101 	/* profile cookies must compare, and in the exact same order to take
2102 	 * into account priority
2103 	 */
2104 	while (count--) {
2105 		if (tmp2->profile_cookie != tmp1->profile_cookie)
2106 			return false;
2107 
2108 		tmp1 = LIST_NEXT_ENTRY(tmp1, struct ice_vsig_prof, list);
2109 		tmp2 = LIST_NEXT_ENTRY(tmp2, struct ice_vsig_prof, list);
2110 	}
2111 
2112 	return true;
2113 }
2114 
2115 /* VSIG Management */
2116 
2117 /**
2118  * ice_vsig_update_xlt2_sect - update one section of XLT2 table
2119  * @hw: pointer to the hardware structure
2120  * @blk: HW block
2121  * @vsi: HW VSI number to program
2122  * @vsig: vsig for the VSI
2123  *
2124  * This function will update the XLT2 hardware table with the input VSI
2125  * group configuration.
2126  */
2127 static enum ice_status
2128 ice_vsig_update_xlt2_sect(struct ice_hw *hw, enum ice_block blk, u16 vsi,
2129 			  u16 vsig)
2130 {
2131 	struct ice_xlt2_section *sect;
2132 	struct ice_buf_build *bld;
2133 	enum ice_status status;
2134 
2135 	bld = ice_pkg_buf_alloc_single_section(hw, ice_sect_id(blk, ICE_XLT2),
2136 					       sizeof(struct ice_xlt2_section),
2137 					       (void **)&sect);
2138 	if (!bld)
2139 		return ICE_ERR_NO_MEMORY;
2140 
2141 	sect->count = CPU_TO_LE16(1);
2142 	sect->offset = CPU_TO_LE16(vsi);
2143 	sect->value[0] = CPU_TO_LE16(vsig);
2144 
2145 	status = ice_update_pkg(hw, ice_pkg_buf(bld), 1);
2146 
2147 	ice_pkg_buf_free(hw, bld);
2148 
2149 	return status;
2150 }
2151 
2152 /**
2153  * ice_vsig_update_xlt2 - update XLT2 table with VSIG configuration
2154  * @hw: pointer to the hardware structure
2155  * @blk: HW block
2156  *
2157  * This function will update the XLT2 hardware table with the input VSI
2158  * group configuration of used vsis.
2159  */
2160 enum ice_status ice_vsig_update_xlt2(struct ice_hw *hw, enum ice_block blk)
2161 {
2162 	u16 vsi;
2163 
2164 	for (vsi = 0; vsi < ICE_MAX_VSI; vsi++) {
2165 		/* update only vsis that have been changed */
2166 		if (hw->blk[blk].xlt2.vsis[vsi].changed) {
2167 			enum ice_status status;
2168 			u16 vsig;
2169 
2170 			vsig = hw->blk[blk].xlt2.vsis[vsi].vsig;
2171 			status = ice_vsig_update_xlt2_sect(hw, blk, vsi, vsig);
2172 			if (status)
2173 				return status;
2174 
2175 			hw->blk[blk].xlt2.vsis[vsi].changed = 0;
2176 		}
2177 	}
2178 
2179 	return ICE_SUCCESS;
2180 }
2181 
2182 /**
2183  * ice_vsig_find_vsi - find a VSIG that contains a specified VSI
2184  * @hw: pointer to the hardware structure
2185  * @blk: HW block
2186  * @vsi: VSI of interest
2187  * @vsig: pointer to receive the VSI group
2188  *
2189  * This function will lookup the VSI entry in the XLT2 list and return
2190  * the VSI group its associated with.
2191  */
2192 enum ice_status
2193 ice_vsig_find_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 *vsig)
2194 {
2195 	if (!vsig || vsi >= ICE_MAX_VSI)
2196 		return ICE_ERR_PARAM;
2197 
2198 	/* As long as there's a default or valid VSIG associated with the input
2199 	 * VSI, the functions returns a success. Any handling of VSIG will be
2200 	 * done by the following add, update or remove functions.
2201 	 */
2202 	*vsig = hw->blk[blk].xlt2.vsis[vsi].vsig;
2203 
2204 	return ICE_SUCCESS;
2205 }
2206 
2207 /**
2208  * ice_vsig_alloc_val - allocate a new VSIG by value
2209  * @hw: pointer to the hardware structure
2210  * @blk: HW block
2211  * @vsig: the vsig to allocate
2212  *
2213  * This function will allocate a given VSIG specified by the vsig parameter.
2214  */
2215 static u16 ice_vsig_alloc_val(struct ice_hw *hw, enum ice_block blk, u16 vsig)
2216 {
2217 	u16 idx = vsig & ICE_VSIG_IDX_M;
2218 
2219 	if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use) {
2220 		INIT_LIST_HEAD(&hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst);
2221 		hw->blk[blk].xlt2.vsig_tbl[idx].in_use = true;
2222 	}
2223 
2224 	return ICE_VSIG_VALUE(idx, hw->pf_id);
2225 }
2226 
2227 /**
2228  * ice_vsig_alloc - Finds a free entry and allocates a new VSIG
2229  * @hw: pointer to the hardware structure
2230  * @blk: HW block
2231  *
2232  * This function will iterate through the VSIG list and mark the first
2233  * unused entry for the new VSIG entry as used and return that value.
2234  */
2235 static u16 ice_vsig_alloc(struct ice_hw *hw, enum ice_block blk)
2236 {
2237 	u16 i;
2238 
2239 	for (i = 1; i < ICE_MAX_VSIGS; i++)
2240 		if (!hw->blk[blk].xlt2.vsig_tbl[i].in_use)
2241 			return ice_vsig_alloc_val(hw, blk, i);
2242 
2243 	return ICE_DEFAULT_VSIG;
2244 }
2245 
2246 /**
2247  * ice_find_dup_props_vsig - find VSI group with a specified set of properties
2248  * @hw: pointer to the hardware structure
2249  * @blk: HW block
2250  * @chs: characteristic list
2251  * @vsig: returns the VSIG with the matching profiles, if found
2252  *
2253  * Each VSIG is associated with a characteristic set; i.e. all VSIs under
2254  * a group have the same characteristic set. To check if there exists a VSIG
2255  * which has the same characteristics as the input characteristics; this
2256  * function will iterate through the XLT2 list and return the VSIG that has a
2257  * matching configuration. In order to make sure that priorities are accounted
2258  * for, the list must match exactly, including the order in which the
2259  * characteristics are listed.
2260  */
2261 enum ice_status
2262 ice_find_dup_props_vsig(struct ice_hw *hw, enum ice_block blk,
2263 			struct LIST_HEAD_TYPE *chs, u16 *vsig)
2264 {
2265 	struct ice_xlt2 *xlt2 = &hw->blk[blk].xlt2;
2266 	u16 i;
2267 
2268 	for (i = 0; i < xlt2->count; i++) {
2269 		if (xlt2->vsig_tbl[i].in_use &&
2270 		    ice_match_prop_lst(chs, &xlt2->vsig_tbl[i].prop_lst)) {
2271 			*vsig = ICE_VSIG_VALUE(i, hw->pf_id);
2272 			return ICE_SUCCESS;
2273 		}
2274 	}
2275 
2276 	return ICE_ERR_DOES_NOT_EXIST;
2277 }
2278 
2279 /**
2280  * ice_vsig_free - free VSI group
2281  * @hw: pointer to the hardware structure
2282  * @blk: HW block
2283  * @vsig: VSIG to remove
2284  *
2285  * The function will remove all VSIs associated with the input VSIG and move
2286  * them to the DEFAULT_VSIG and mark the VSIG available.
2287  */
2288 enum ice_status
2289 ice_vsig_free(struct ice_hw *hw, enum ice_block blk, u16 vsig)
2290 {
2291 	struct ice_vsig_prof *dtmp, *del;
2292 	struct ice_vsig_vsi *vsi_cur;
2293 	u16 idx;
2294 
2295 	idx = vsig & ICE_VSIG_IDX_M;
2296 	if (idx >= ICE_MAX_VSIGS)
2297 		return ICE_ERR_PARAM;
2298 
2299 	if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use)
2300 		return ICE_ERR_DOES_NOT_EXIST;
2301 
2302 	hw->blk[blk].xlt2.vsig_tbl[idx].in_use = false;
2303 
2304 	vsi_cur = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
2305 	/* If the VSIG has at least 1 VSI then iterate through the
2306 	 * list and remove the VSIs before deleting the group.
2307 	 */
2308 	if (vsi_cur) {
2309 		/* remove all vsis associated with this VSIG XLT2 entry */
2310 		do {
2311 			struct ice_vsig_vsi *tmp = vsi_cur->next_vsi;
2312 
2313 			vsi_cur->vsig = ICE_DEFAULT_VSIG;
2314 			vsi_cur->changed = 1;
2315 			vsi_cur->next_vsi = NULL;
2316 			vsi_cur = tmp;
2317 		} while (vsi_cur);
2318 
2319 		/* NULL terminate head of VSI list */
2320 		hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi = NULL;
2321 	}
2322 
2323 	/* free characteristic list */
2324 	LIST_FOR_EACH_ENTRY_SAFE(del, dtmp,
2325 				 &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
2326 				 ice_vsig_prof, list) {
2327 		LIST_DEL(&del->list);
2328 		ice_free(hw, del);
2329 	}
2330 
2331 	return ICE_SUCCESS;
2332 }
2333 
2334 /**
2335  * ice_vsig_add_mv_vsi - add or move a VSI to a VSI group
2336  * @hw: pointer to the hardware structure
2337  * @blk: HW block
2338  * @vsi: VSI to move
2339  * @vsig: destination VSI group
2340  *
2341  * This function will move or add the input VSI to the target VSIG.
2342  * The function will find the original VSIG the VSI belongs to and
2343  * move the entry to the DEFAULT_VSIG, update the original VSIG and
2344  * then move entry to the new VSIG.
2345  */
2346 enum ice_status
2347 ice_vsig_add_mv_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig)
2348 {
2349 	struct ice_vsig_vsi *tmp;
2350 	enum ice_status status;
2351 	u16 orig_vsig, idx;
2352 
2353 	idx = vsig & ICE_VSIG_IDX_M;
2354 
2355 	if (vsi >= ICE_MAX_VSI || idx >= ICE_MAX_VSIGS)
2356 		return ICE_ERR_PARAM;
2357 
2358 	/* if VSIG not in use and VSIG is not default type this VSIG
2359 	 * doesn't exist.
2360 	 */
2361 	if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use &&
2362 	    vsig != ICE_DEFAULT_VSIG)
2363 		return ICE_ERR_DOES_NOT_EXIST;
2364 
2365 	status = ice_vsig_find_vsi(hw, blk, vsi, &orig_vsig);
2366 	if (status)
2367 		return status;
2368 
2369 	/* no update required if vsigs match */
2370 	if (orig_vsig == vsig)
2371 		return ICE_SUCCESS;
2372 
2373 	if (orig_vsig != ICE_DEFAULT_VSIG) {
2374 		/* remove entry from orig_vsig and add to default VSIG */
2375 		status = ice_vsig_remove_vsi(hw, blk, vsi, orig_vsig);
2376 		if (status)
2377 			return status;
2378 	}
2379 
2380 	if (idx == ICE_DEFAULT_VSIG)
2381 		return ICE_SUCCESS;
2382 
2383 	/* Create VSI entry and add VSIG and prop_mask values */
2384 	hw->blk[blk].xlt2.vsis[vsi].vsig = vsig;
2385 	hw->blk[blk].xlt2.vsis[vsi].changed = 1;
2386 
2387 	/* Add new entry to the head of the VSIG list */
2388 	tmp = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
2389 	hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi =
2390 		&hw->blk[blk].xlt2.vsis[vsi];
2391 	hw->blk[blk].xlt2.vsis[vsi].next_vsi = tmp;
2392 	hw->blk[blk].xlt2.t[vsi] = vsig;
2393 
2394 	return ICE_SUCCESS;
2395 }
2396 
2397 /**
2398  * ice_vsig_remove_vsi - remove VSI from VSIG
2399  * @hw: pointer to the hardware structure
2400  * @blk: HW block
2401  * @vsi: VSI to remove
2402  * @vsig: VSI group to remove from
2403  *
2404  * The function will remove the input VSI from its VSI group and move it
2405  * to the DEFAULT_VSIG.
2406  */
2407 enum ice_status
2408 ice_vsig_remove_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig)
2409 {
2410 	struct ice_vsig_vsi **vsi_head, *vsi_cur, *vsi_tgt;
2411 	u16 idx;
2412 
2413 	idx = vsig & ICE_VSIG_IDX_M;
2414 
2415 	if (vsi >= ICE_MAX_VSI || idx >= ICE_MAX_VSIGS)
2416 		return ICE_ERR_PARAM;
2417 
2418 	if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use)
2419 		return ICE_ERR_DOES_NOT_EXIST;
2420 
2421 	/* entry already in default VSIG, don't have to remove */
2422 	if (idx == ICE_DEFAULT_VSIG)
2423 		return ICE_SUCCESS;
2424 
2425 	vsi_head = &hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
2426 	if (!(*vsi_head))
2427 		return ICE_ERR_CFG;
2428 
2429 	vsi_tgt = &hw->blk[blk].xlt2.vsis[vsi];
2430 	vsi_cur = (*vsi_head);
2431 
2432 	/* iterate the VSI list, skip over the entry to be removed */
2433 	while (vsi_cur) {
2434 		if (vsi_tgt == vsi_cur) {
2435 			(*vsi_head) = vsi_cur->next_vsi;
2436 			break;
2437 		}
2438 		vsi_head = &vsi_cur->next_vsi;
2439 		vsi_cur = vsi_cur->next_vsi;
2440 	}
2441 
2442 	/* verify if VSI was removed from group list */
2443 	if (!vsi_cur)
2444 		return ICE_ERR_DOES_NOT_EXIST;
2445 
2446 	vsi_cur->vsig = ICE_DEFAULT_VSIG;
2447 	vsi_cur->changed = 1;
2448 	vsi_cur->next_vsi = NULL;
2449 
2450 	return ICE_SUCCESS;
2451 }
2452 
2453 /**
2454  * ice_find_prof_id - find profile ID for a given field vector
2455  * @hw: pointer to the hardware structure
2456  * @blk: HW block
2457  * @fv: field vector to search for
2458  * @prof_id: receives the profile ID
2459  */
2460 static enum ice_status
2461 ice_find_prof_id(struct ice_hw *hw, enum ice_block blk,
2462 		 struct ice_fv_word *fv, u8 *prof_id)
2463 {
2464 	struct ice_es *es = &hw->blk[blk].es;
2465 	u16 off, i;
2466 
2467 	for (i = 0; i < es->count; i++) {
2468 		off = i * es->fvw;
2469 
2470 		if (memcmp(&es->t[off], fv, es->fvw * sizeof(*fv)))
2471 			continue;
2472 
2473 		*prof_id = i;
2474 		return ICE_SUCCESS;
2475 	}
2476 
2477 	return ICE_ERR_DOES_NOT_EXIST;
2478 }
2479 
2480 /**
2481  * ice_prof_id_rsrc_type - get profile ID resource type for a block type
2482  * @blk: the block type
2483  * @rsrc_type: pointer to variable to receive the resource type
2484  */
2485 static bool ice_prof_id_rsrc_type(enum ice_block blk, u16 *rsrc_type)
2486 {
2487 	switch (blk) {
2488 	case ICE_BLK_SW:
2489 		*rsrc_type = ICE_AQC_RES_TYPE_SWITCH_PROF_BLDR_PROFID;
2490 		break;
2491 	case ICE_BLK_ACL:
2492 		*rsrc_type = ICE_AQC_RES_TYPE_ACL_PROF_BLDR_PROFID;
2493 		break;
2494 	case ICE_BLK_FD:
2495 		*rsrc_type = ICE_AQC_RES_TYPE_FD_PROF_BLDR_PROFID;
2496 		break;
2497 	case ICE_BLK_RSS:
2498 		*rsrc_type = ICE_AQC_RES_TYPE_HASH_PROF_BLDR_PROFID;
2499 		break;
2500 	case ICE_BLK_PE:
2501 		*rsrc_type = ICE_AQC_RES_TYPE_QHASH_PROF_BLDR_PROFID;
2502 		break;
2503 	default:
2504 		return false;
2505 	}
2506 	return true;
2507 }
2508 
2509 /**
2510  * ice_tcam_ent_rsrc_type - get TCAM entry resource type for a block type
2511  * @blk: the block type
2512  * @rsrc_type: pointer to variable to receive the resource type
2513  */
2514 static bool ice_tcam_ent_rsrc_type(enum ice_block blk, u16 *rsrc_type)
2515 {
2516 	switch (blk) {
2517 	case ICE_BLK_SW:
2518 		*rsrc_type = ICE_AQC_RES_TYPE_SWITCH_PROF_BLDR_TCAM;
2519 		break;
2520 	case ICE_BLK_ACL:
2521 		*rsrc_type = ICE_AQC_RES_TYPE_ACL_PROF_BLDR_TCAM;
2522 		break;
2523 	case ICE_BLK_FD:
2524 		*rsrc_type = ICE_AQC_RES_TYPE_FD_PROF_BLDR_TCAM;
2525 		break;
2526 	case ICE_BLK_RSS:
2527 		*rsrc_type = ICE_AQC_RES_TYPE_HASH_PROF_BLDR_TCAM;
2528 		break;
2529 	case ICE_BLK_PE:
2530 		*rsrc_type = ICE_AQC_RES_TYPE_QHASH_PROF_BLDR_TCAM;
2531 		break;
2532 	default:
2533 		return false;
2534 	}
2535 	return true;
2536 }
2537 
2538 /**
2539  * ice_alloc_tcam_ent - allocate hardware TCAM entry
2540  * @hw: pointer to the HW struct
2541  * @blk: the block to allocate the TCAM for
2542  * @tcam_idx: pointer to variable to receive the TCAM entry
2543  *
2544  * This function allocates a new entry in a Profile ID TCAM for a specific
2545  * block.
2546  */
2547 static enum ice_status
2548 ice_alloc_tcam_ent(struct ice_hw *hw, enum ice_block blk, u16 *tcam_idx)
2549 {
2550 	u16 res_type;
2551 
2552 	if (!ice_tcam_ent_rsrc_type(blk, &res_type))
2553 		return ICE_ERR_PARAM;
2554 
2555 	return ice_alloc_hw_res(hw, res_type, 1, true, tcam_idx);
2556 }
2557 
2558 /**
2559  * ice_free_tcam_ent - free hardware TCAM entry
2560  * @hw: pointer to the HW struct
2561  * @blk: the block from which to free the TCAM entry
2562  * @tcam_idx: the TCAM entry to free
2563  *
2564  * This function frees an entry in a Profile ID TCAM for a specific block.
2565  */
2566 static enum ice_status
2567 ice_free_tcam_ent(struct ice_hw *hw, enum ice_block blk, u16 tcam_idx)
2568 {
2569 	u16 res_type;
2570 
2571 	if (!ice_tcam_ent_rsrc_type(blk, &res_type))
2572 		return ICE_ERR_PARAM;
2573 
2574 	return ice_free_hw_res(hw, res_type, 1, &tcam_idx);
2575 }
2576 
2577 /**
2578  * ice_alloc_prof_id - allocate profile ID
2579  * @hw: pointer to the HW struct
2580  * @blk: the block to allocate the profile ID for
2581  * @prof_id: pointer to variable to receive the profile ID
2582  *
2583  * This function allocates a new profile ID, which also corresponds to a Field
2584  * Vector (Extraction Sequence) entry.
2585  */
2586 static enum ice_status
2587 ice_alloc_prof_id(struct ice_hw *hw, enum ice_block blk, u8 *prof_id)
2588 {
2589 	enum ice_status status;
2590 	u16 res_type;
2591 	u16 get_prof;
2592 
2593 	if (!ice_prof_id_rsrc_type(blk, &res_type))
2594 		return ICE_ERR_PARAM;
2595 
2596 	status = ice_alloc_hw_res(hw, res_type, 1, false, &get_prof);
2597 	if (!status)
2598 		*prof_id = (u8)get_prof;
2599 
2600 	return status;
2601 }
2602 
2603 /**
2604  * ice_free_prof_id - free profile ID
2605  * @hw: pointer to the HW struct
2606  * @blk: the block from which to free the profile ID
2607  * @prof_id: the profile ID to free
2608  *
2609  * This function frees a profile ID, which also corresponds to a Field Vector.
2610  */
2611 static enum ice_status
2612 ice_free_prof_id(struct ice_hw *hw, enum ice_block blk, u8 prof_id)
2613 {
2614 	u16 tmp_prof_id = (u16)prof_id;
2615 	u16 res_type;
2616 
2617 	if (!ice_prof_id_rsrc_type(blk, &res_type))
2618 		return ICE_ERR_PARAM;
2619 
2620 	return ice_free_hw_res(hw, res_type, 1, &tmp_prof_id);
2621 }
2622 
2623 /**
2624  * ice_prof_inc_ref - increment reference count for profile
2625  * @hw: pointer to the HW struct
2626  * @blk: the block from which to free the profile ID
2627  * @prof_id: the profile ID for which to increment the reference count
2628  */
2629 static enum ice_status
2630 ice_prof_inc_ref(struct ice_hw *hw, enum ice_block blk, u8 prof_id)
2631 {
2632 	if (prof_id > hw->blk[blk].es.count)
2633 		return ICE_ERR_PARAM;
2634 
2635 	hw->blk[blk].es.ref_count[prof_id]++;
2636 
2637 	return ICE_SUCCESS;
2638 }
2639 
2640 /**
2641  * ice_write_es - write an extraction sequence to hardware
2642  * @hw: pointer to the HW struct
2643  * @blk: the block in which to write the extraction sequence
2644  * @prof_id: the profile ID to write
2645  * @fv: pointer to the extraction sequence to write - NULL to clear extraction
2646  */
2647 static void
2648 ice_write_es(struct ice_hw *hw, enum ice_block blk, u8 prof_id,
2649 	     struct ice_fv_word *fv)
2650 {
2651 	u16 off;
2652 
2653 	off = prof_id * hw->blk[blk].es.fvw;
2654 	if (!fv) {
2655 		ice_memset(&hw->blk[blk].es.t[off], 0, hw->blk[blk].es.fvw *
2656 			   sizeof(*fv), ICE_NONDMA_MEM);
2657 		hw->blk[blk].es.written[prof_id] = false;
2658 	} else {
2659 		ice_memcpy(&hw->blk[blk].es.t[off], fv, hw->blk[blk].es.fvw *
2660 			   sizeof(*fv), ICE_NONDMA_TO_NONDMA);
2661 	}
2662 }
2663 
2664 /**
2665  * ice_prof_dec_ref - decrement reference count for profile
2666  * @hw: pointer to the HW struct
2667  * @blk: the block from which to free the profile ID
2668  * @prof_id: the profile ID for which to decrement the reference count
2669  */
2670 static enum ice_status
2671 ice_prof_dec_ref(struct ice_hw *hw, enum ice_block blk, u8 prof_id)
2672 {
2673 	if (prof_id > hw->blk[blk].es.count)
2674 		return ICE_ERR_PARAM;
2675 
2676 	if (hw->blk[blk].es.ref_count[prof_id] > 0) {
2677 		if (!--hw->blk[blk].es.ref_count[prof_id]) {
2678 			ice_write_es(hw, blk, prof_id, NULL);
2679 			return ice_free_prof_id(hw, blk, prof_id);
2680 		}
2681 	}
2682 
2683 	return ICE_SUCCESS;
2684 }
2685 
2686 /* Block / table section IDs */
2687 static const u32 ice_blk_sids[ICE_BLK_COUNT][ICE_SID_OFF_COUNT] = {
2688 	/* SWITCH */
2689 	{	ICE_SID_XLT1_SW,
2690 		ICE_SID_XLT2_SW,
2691 		ICE_SID_PROFID_TCAM_SW,
2692 		ICE_SID_PROFID_REDIR_SW,
2693 		ICE_SID_FLD_VEC_SW
2694 	},
2695 
2696 	/* ACL */
2697 	{	ICE_SID_XLT1_ACL,
2698 		ICE_SID_XLT2_ACL,
2699 		ICE_SID_PROFID_TCAM_ACL,
2700 		ICE_SID_PROFID_REDIR_ACL,
2701 		ICE_SID_FLD_VEC_ACL
2702 	},
2703 
2704 	/* FD */
2705 	{	ICE_SID_XLT1_FD,
2706 		ICE_SID_XLT2_FD,
2707 		ICE_SID_PROFID_TCAM_FD,
2708 		ICE_SID_PROFID_REDIR_FD,
2709 		ICE_SID_FLD_VEC_FD
2710 	},
2711 
2712 	/* RSS */
2713 	{	ICE_SID_XLT1_RSS,
2714 		ICE_SID_XLT2_RSS,
2715 		ICE_SID_PROFID_TCAM_RSS,
2716 		ICE_SID_PROFID_REDIR_RSS,
2717 		ICE_SID_FLD_VEC_RSS
2718 	},
2719 
2720 	/* PE */
2721 	{	ICE_SID_XLT1_PE,
2722 		ICE_SID_XLT2_PE,
2723 		ICE_SID_PROFID_TCAM_PE,
2724 		ICE_SID_PROFID_REDIR_PE,
2725 		ICE_SID_FLD_VEC_PE
2726 	}
2727 };
2728 
2729 /**
2730  * ice_fill_tbl - Reads content of a single table type into database
2731  * @hw: pointer to the hardware structure
2732  * @block_id: Block ID of the table to copy
2733  * @sid: Section ID of the table to copy
2734  *
2735  * Will attempt to read the entire content of a given table of a single block
2736  * into the driver database. We assume that the buffer will always
2737  * be as large or larger than the data contained in the package. If
2738  * this condition is not met, there is most likely an error in the package
2739  * contents.
2740  */
2741 static void ice_fill_tbl(struct ice_hw *hw, enum ice_block block_id, u32 sid)
2742 {
2743 	u32 dst_len, sect_len, offset = 0;
2744 	struct ice_prof_redir_section *pr;
2745 	struct ice_prof_id_section *pid;
2746 	struct ice_xlt1_section *xlt1;
2747 	struct ice_xlt2_section *xlt2;
2748 	struct ice_sw_fv_section *es;
2749 	struct ice_pkg_enum state;
2750 	u8 *src, *dst;
2751 	void *sect;
2752 
2753 	/* if the HW segment pointer is null then the first iteration of
2754 	 * ice_pkg_enum_section() will fail. In this case the Hw tables will
2755 	 * not be filled and return success.
2756 	 */
2757 	if (!hw->seg) {
2758 		ice_debug(hw, ICE_DBG_PKG, "hw->seg is NULL, tables are not filled\n");
2759 		return;
2760 	}
2761 
2762 	ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM);
2763 
2764 	sect = ice_pkg_enum_section(hw->seg, &state, sid);
2765 
2766 	while (sect) {
2767 		switch (sid) {
2768 		case ICE_SID_XLT1_SW:
2769 		case ICE_SID_XLT1_FD:
2770 		case ICE_SID_XLT1_RSS:
2771 		case ICE_SID_XLT1_ACL:
2772 		case ICE_SID_XLT1_PE:
2773 			xlt1 = (struct ice_xlt1_section *)sect;
2774 			src = xlt1->value;
2775 			sect_len = LE16_TO_CPU(xlt1->count) *
2776 				sizeof(*hw->blk[block_id].xlt1.t);
2777 			dst = hw->blk[block_id].xlt1.t;
2778 			dst_len = hw->blk[block_id].xlt1.count *
2779 				sizeof(*hw->blk[block_id].xlt1.t);
2780 			break;
2781 		case ICE_SID_XLT2_SW:
2782 		case ICE_SID_XLT2_FD:
2783 		case ICE_SID_XLT2_RSS:
2784 		case ICE_SID_XLT2_ACL:
2785 		case ICE_SID_XLT2_PE:
2786 			xlt2 = (struct ice_xlt2_section *)sect;
2787 			src = (u8 *)xlt2->value;
2788 			sect_len = LE16_TO_CPU(xlt2->count) *
2789 				sizeof(*hw->blk[block_id].xlt2.t);
2790 			dst = (u8 *)hw->blk[block_id].xlt2.t;
2791 			dst_len = hw->blk[block_id].xlt2.count *
2792 				sizeof(*hw->blk[block_id].xlt2.t);
2793 			break;
2794 		case ICE_SID_PROFID_TCAM_SW:
2795 		case ICE_SID_PROFID_TCAM_FD:
2796 		case ICE_SID_PROFID_TCAM_RSS:
2797 		case ICE_SID_PROFID_TCAM_ACL:
2798 		case ICE_SID_PROFID_TCAM_PE:
2799 			pid = (struct ice_prof_id_section *)sect;
2800 			src = (u8 *)pid->entry;
2801 			sect_len = LE16_TO_CPU(pid->count) *
2802 				sizeof(*hw->blk[block_id].prof.t);
2803 			dst = (u8 *)hw->blk[block_id].prof.t;
2804 			dst_len = hw->blk[block_id].prof.count *
2805 				sizeof(*hw->blk[block_id].prof.t);
2806 			break;
2807 		case ICE_SID_PROFID_REDIR_SW:
2808 		case ICE_SID_PROFID_REDIR_FD:
2809 		case ICE_SID_PROFID_REDIR_RSS:
2810 		case ICE_SID_PROFID_REDIR_ACL:
2811 		case ICE_SID_PROFID_REDIR_PE:
2812 			pr = (struct ice_prof_redir_section *)sect;
2813 			src = pr->redir_value;
2814 			sect_len = LE16_TO_CPU(pr->count) *
2815 				sizeof(*hw->blk[block_id].prof_redir.t);
2816 			dst = hw->blk[block_id].prof_redir.t;
2817 			dst_len = hw->blk[block_id].prof_redir.count *
2818 				sizeof(*hw->blk[block_id].prof_redir.t);
2819 			break;
2820 		case ICE_SID_FLD_VEC_SW:
2821 		case ICE_SID_FLD_VEC_FD:
2822 		case ICE_SID_FLD_VEC_RSS:
2823 		case ICE_SID_FLD_VEC_ACL:
2824 		case ICE_SID_FLD_VEC_PE:
2825 			es = (struct ice_sw_fv_section *)sect;
2826 			src = (u8 *)es->fv;
2827 			sect_len = LE16_TO_CPU(es->count) *
2828 				hw->blk[block_id].es.fvw *
2829 				sizeof(*hw->blk[block_id].es.t);
2830 			dst = (u8 *)hw->blk[block_id].es.t;
2831 			dst_len = hw->blk[block_id].es.count *
2832 				hw->blk[block_id].es.fvw *
2833 				sizeof(*hw->blk[block_id].es.t);
2834 			break;
2835 		default:
2836 			return;
2837 		}
2838 
2839 		/* if the section offset exceeds destination length, terminate
2840 		 * table fill.
2841 		 */
2842 		if (offset > dst_len)
2843 			return;
2844 
2845 		/* if the sum of section size and offset exceed destination size
2846 		 * then we are out of bounds of the Hw table size for that PF.
2847 		 * Changing section length to fill the remaining table space
2848 		 * of that PF.
2849 		 */
2850 		if ((offset + sect_len) > dst_len)
2851 			sect_len = dst_len - offset;
2852 
2853 		ice_memcpy(dst + offset, src, sect_len, ICE_NONDMA_TO_NONDMA);
2854 		offset += sect_len;
2855 		sect = ice_pkg_enum_section(NULL, &state, sid);
2856 	}
2857 }
2858 
2859 /**
2860  * ice_fill_blk_tbls - Read package content for tables of a block
2861  * @hw: pointer to the hardware structure
2862  * @block_id: The block ID which contains the tables to be copied
2863  *
2864  * Reads the current package contents and populates the driver
2865  * database with the data it contains to allow for advanced driver
2866  * features.
2867  */
2868 static void ice_fill_blk_tbls(struct ice_hw *hw, enum ice_block block_id)
2869 {
2870 	ice_fill_tbl(hw, block_id, hw->blk[block_id].xlt1.sid);
2871 	ice_fill_tbl(hw, block_id, hw->blk[block_id].xlt2.sid);
2872 	ice_fill_tbl(hw, block_id, hw->blk[block_id].prof.sid);
2873 	ice_fill_tbl(hw, block_id, hw->blk[block_id].prof_redir.sid);
2874 	ice_fill_tbl(hw, block_id, hw->blk[block_id].es.sid);
2875 }
2876 
2877 /**
2878  * ice_free_flow_profs - free flow profile entries
2879  * @hw: pointer to the hardware structure
2880  */
2881 static void ice_free_flow_profs(struct ice_hw *hw)
2882 {
2883 	u8 i;
2884 
2885 	for (i = 0; i < ICE_BLK_COUNT; i++) {
2886 		struct ice_flow_prof *p, *tmp;
2887 
2888 		if (!&hw->fl_profs[i])
2889 			continue;
2890 
2891 		/* This call is being made as part of resource deallocation
2892 		 * during unload. Lock acquire and release will not be
2893 		 * necessary here.
2894 		 */
2895 		LIST_FOR_EACH_ENTRY_SAFE(p, tmp, &hw->fl_profs[i],
2896 					 ice_flow_prof, l_entry) {
2897 			struct ice_flow_entry *e, *t;
2898 
2899 			LIST_FOR_EACH_ENTRY_SAFE(e, t, &p->entries,
2900 						 ice_flow_entry, l_entry)
2901 				ice_flow_rem_entry(hw, ICE_FLOW_ENTRY_HNDL(e));
2902 
2903 			LIST_DEL(&p->l_entry);
2904 			if (p->acts)
2905 				ice_free(hw, p->acts);
2906 			ice_free(hw, p);
2907 		}
2908 
2909 		ice_destroy_lock(&hw->fl_profs_locks[i]);
2910 	}
2911 }
2912 
2913 /**
2914  * ice_free_prof_map - frees the profile map
2915  * @hw: pointer to the hardware structure
2916  * @blk: the HW block which contains the profile map to be freed
2917  */
2918 static void ice_free_prof_map(struct ice_hw *hw, enum ice_block blk)
2919 {
2920 	struct ice_prof_map *del, *tmp;
2921 
2922 	if (LIST_EMPTY(&hw->blk[blk].es.prof_map))
2923 		return;
2924 
2925 	LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &hw->blk[blk].es.prof_map,
2926 				 ice_prof_map, list) {
2927 		ice_rem_prof(hw, blk, del->profile_cookie);
2928 	}
2929 }
2930 
2931 /**
2932  * ice_free_vsig_tbl - free complete VSIG table entries
2933  * @hw: pointer to the hardware structure
2934  * @blk: the HW block on which to free the VSIG table entries
2935  */
2936 static void ice_free_vsig_tbl(struct ice_hw *hw, enum ice_block blk)
2937 {
2938 	u16 i;
2939 
2940 	if (!hw->blk[blk].xlt2.vsig_tbl)
2941 		return;
2942 
2943 	for (i = 1; i < ICE_MAX_VSIGS; i++)
2944 		if (hw->blk[blk].xlt2.vsig_tbl[i].in_use)
2945 			ice_vsig_free(hw, blk, i);
2946 }
2947 
2948 /**
2949  * ice_free_hw_tbls - free hardware table memory
2950  * @hw: pointer to the hardware structure
2951  */
2952 void ice_free_hw_tbls(struct ice_hw *hw)
2953 {
2954 	u8 i;
2955 
2956 	for (i = 0; i < ICE_BLK_COUNT; i++) {
2957 		ice_free_prof_map(hw, (enum ice_block)i);
2958 		ice_free_vsig_tbl(hw, (enum ice_block)i);
2959 		ice_free(hw, hw->blk[i].xlt1.ptypes);
2960 		ice_free(hw, hw->blk[i].xlt1.ptg_tbl);
2961 		ice_free(hw, hw->blk[i].xlt1.t);
2962 		ice_free(hw, hw->blk[i].xlt2.t);
2963 		ice_free(hw, hw->blk[i].xlt2.vsig_tbl);
2964 		ice_free(hw, hw->blk[i].xlt2.vsis);
2965 		ice_free(hw, hw->blk[i].prof.t);
2966 		ice_free(hw, hw->blk[i].prof_redir.t);
2967 		ice_free(hw, hw->blk[i].es.t);
2968 		ice_free(hw, hw->blk[i].es.ref_count);
2969 		ice_free(hw, hw->blk[i].es.written);
2970 	}
2971 
2972 	ice_memset(hw->blk, 0, sizeof(hw->blk), ICE_NONDMA_MEM);
2973 
2974 	ice_free_flow_profs(hw);
2975 }
2976 
2977 /**
2978  * ice_init_flow_profs - init flow profile locks and list heads
2979  * @hw: pointer to the hardware structure
2980  */
2981 static void ice_init_flow_profs(struct ice_hw *hw)
2982 {
2983 	u8 i;
2984 
2985 	for (i = 0; i < ICE_BLK_COUNT; i++) {
2986 		ice_init_lock(&hw->fl_profs_locks[i]);
2987 		INIT_LIST_HEAD(&hw->fl_profs[i]);
2988 	}
2989 }
2990 
2991 /**
2992  * ice_init_sw_xlt1_db - init software XLT1 database from HW tables
2993  * @hw: pointer to the hardware structure
2994  * @blk: the HW block to initialize
2995  */
2996 static
2997 void ice_init_sw_xlt1_db(struct ice_hw *hw, enum ice_block blk)
2998 {
2999 	u16 pt;
3000 
3001 	for (pt = 0; pt < hw->blk[blk].xlt1.count; pt++) {
3002 		u8 ptg;
3003 
3004 		ptg = hw->blk[blk].xlt1.t[pt];
3005 		if (ptg != ICE_DEFAULT_PTG) {
3006 			ice_ptg_alloc_val(hw, blk, ptg);
3007 			ice_ptg_add_mv_ptype(hw, blk, pt, ptg);
3008 		}
3009 	}
3010 }
3011 
3012 /**
3013  * ice_init_sw_xlt2_db - init software XLT2 database from HW tables
3014  * @hw: pointer to the hardware structure
3015  * @blk: the HW block to initialize
3016  */
3017 static
3018 void ice_init_sw_xlt2_db(struct ice_hw *hw, enum ice_block blk)
3019 {
3020 	u16 vsi;
3021 
3022 	for (vsi = 0; vsi < hw->blk[blk].xlt2.count; vsi++) {
3023 		u16 vsig;
3024 
3025 		vsig = hw->blk[blk].xlt2.t[vsi];
3026 		if (vsig) {
3027 			ice_vsig_alloc_val(hw, blk, vsig);
3028 			ice_vsig_add_mv_vsi(hw, blk, vsi, vsig);
3029 			/* no changes at this time, since this has been
3030 			 * initialized from the original package
3031 			 */
3032 			hw->blk[blk].xlt2.vsis[vsi].changed = 0;
3033 		}
3034 	}
3035 }
3036 
3037 /**
3038  * ice_init_sw_db - init software database from HW tables
3039  * @hw: pointer to the hardware structure
3040  */
3041 static
3042 void ice_init_sw_db(struct ice_hw *hw)
3043 {
3044 	u16 i;
3045 
3046 	for (i = 0; i < ICE_BLK_COUNT; i++) {
3047 		ice_init_sw_xlt1_db(hw, (enum ice_block)i);
3048 		ice_init_sw_xlt2_db(hw, (enum ice_block)i);
3049 	}
3050 }
3051 
3052 /**
3053  * ice_init_hw_tbls - init hardware table memory
3054  * @hw: pointer to the hardware structure
3055  */
3056 enum ice_status ice_init_hw_tbls(struct ice_hw *hw)
3057 {
3058 	u8 i;
3059 
3060 	ice_init_flow_profs(hw);
3061 
3062 	for (i = 0; i < ICE_BLK_COUNT; i++) {
3063 		struct ice_prof_redir *prof_redir = &hw->blk[i].prof_redir;
3064 		struct ice_prof_tcam *prof = &hw->blk[i].prof;
3065 		struct ice_xlt1 *xlt1 = &hw->blk[i].xlt1;
3066 		struct ice_xlt2 *xlt2 = &hw->blk[i].xlt2;
3067 		struct ice_es *es = &hw->blk[i].es;
3068 
3069 		hw->blk[i].overwrite = blk_sizes[i].overwrite;
3070 		es->reverse = blk_sizes[i].reverse;
3071 
3072 		xlt1->sid = ice_blk_sids[i][ICE_SID_XLT1_OFF];
3073 		xlt1->count = blk_sizes[i].xlt1;
3074 
3075 		xlt1->ptypes = (struct ice_ptg_ptype *)
3076 			ice_calloc(hw, xlt1->count, sizeof(*xlt1->ptypes));
3077 
3078 		if (!xlt1->ptypes)
3079 			goto err;
3080 
3081 		xlt1->ptg_tbl = (struct ice_ptg_entry *)
3082 			ice_calloc(hw, ICE_MAX_PTGS, sizeof(*xlt1->ptg_tbl));
3083 
3084 		if (!xlt1->ptg_tbl)
3085 			goto err;
3086 
3087 		xlt1->t = (u8 *)ice_calloc(hw, xlt1->count, sizeof(*xlt1->t));
3088 		if (!xlt1->t)
3089 			goto err;
3090 
3091 		xlt2->sid = ice_blk_sids[i][ICE_SID_XLT2_OFF];
3092 		xlt2->count = blk_sizes[i].xlt2;
3093 
3094 		xlt2->vsis = (struct ice_vsig_vsi *)
3095 			ice_calloc(hw, xlt2->count, sizeof(*xlt2->vsis));
3096 
3097 		if (!xlt2->vsis)
3098 			goto err;
3099 
3100 		xlt2->vsig_tbl = (struct ice_vsig_entry *)
3101 			ice_calloc(hw, xlt2->count, sizeof(*xlt2->vsig_tbl));
3102 		if (!xlt2->vsig_tbl)
3103 			goto err;
3104 
3105 		xlt2->t = (u16 *)ice_calloc(hw, xlt2->count, sizeof(*xlt2->t));
3106 		if (!xlt2->t)
3107 			goto err;
3108 
3109 		prof->sid = ice_blk_sids[i][ICE_SID_PR_OFF];
3110 		prof->count = blk_sizes[i].prof_tcam;
3111 		prof->max_prof_id = blk_sizes[i].prof_id;
3112 		prof->cdid_bits = blk_sizes[i].prof_cdid_bits;
3113 		prof->t = (struct ice_prof_tcam_entry *)
3114 			ice_calloc(hw, prof->count, sizeof(*prof->t));
3115 
3116 		if (!prof->t)
3117 			goto err;
3118 
3119 		prof_redir->sid = ice_blk_sids[i][ICE_SID_PR_REDIR_OFF];
3120 		prof_redir->count = blk_sizes[i].prof_redir;
3121 		prof_redir->t = (u8 *)ice_calloc(hw, prof_redir->count,
3122 						 sizeof(*prof_redir->t));
3123 
3124 		if (!prof_redir->t)
3125 			goto err;
3126 
3127 		es->sid = ice_blk_sids[i][ICE_SID_ES_OFF];
3128 		es->count = blk_sizes[i].es;
3129 		es->fvw = blk_sizes[i].fvw;
3130 		es->t = (struct ice_fv_word *)
3131 			ice_calloc(hw, es->count * es->fvw, sizeof(*es->t));
3132 
3133 		if (!es->t)
3134 			goto err;
3135 
3136 		es->ref_count = (u16 *)
3137 			ice_calloc(hw, es->count, sizeof(*es->ref_count));
3138 
3139 		es->written = (u8 *)
3140 			ice_calloc(hw, es->count, sizeof(*es->written));
3141 
3142 		if (!es->ref_count)
3143 			goto err;
3144 
3145 		INIT_LIST_HEAD(&es->prof_map);
3146 
3147 		/* Now that tables are allocated, read in package data */
3148 		ice_fill_blk_tbls(hw, (enum ice_block)i);
3149 	}
3150 
3151 	ice_init_sw_db(hw);
3152 
3153 	return ICE_SUCCESS;
3154 
3155 err:
3156 	ice_free_hw_tbls(hw);
3157 	return ICE_ERR_NO_MEMORY;
3158 }
3159 
3160 /**
3161  * ice_prof_gen_key - generate profile ID key
3162  * @hw: pointer to the HW struct
3163  * @blk: the block in which to write profile ID to
3164  * @ptg: packet type group (PTG) portion of key
3165  * @vsig: VSIG portion of key
3166  * @cdid: cdid portion of key
3167  * @flags: flag portion of key
3168  * @vl_msk: valid mask
3169  * @dc_msk: don't care mask
3170  * @nm_msk: never match mask
3171  * @key: output of profile ID key
3172  */
3173 static enum ice_status
3174 ice_prof_gen_key(struct ice_hw *hw, enum ice_block blk, u8 ptg, u16 vsig,
3175 		 u8 cdid, u16 flags, u8 vl_msk[ICE_TCAM_KEY_VAL_SZ],
3176 		 u8 dc_msk[ICE_TCAM_KEY_VAL_SZ], u8 nm_msk[ICE_TCAM_KEY_VAL_SZ],
3177 		 u8 key[ICE_TCAM_KEY_SZ])
3178 {
3179 	struct ice_prof_id_key inkey;
3180 
3181 	inkey.xlt1 = ptg;
3182 	inkey.xlt2_cdid = CPU_TO_LE16(vsig);
3183 	inkey.flags = CPU_TO_LE16(flags);
3184 
3185 	switch (hw->blk[blk].prof.cdid_bits) {
3186 	case 0:
3187 		break;
3188 	case 2:
3189 #define ICE_CD_2_M 0xC000U
3190 #define ICE_CD_2_S 14
3191 		inkey.xlt2_cdid &= ~CPU_TO_LE16(ICE_CD_2_M);
3192 		inkey.xlt2_cdid |= CPU_TO_LE16(BIT(cdid) << ICE_CD_2_S);
3193 		break;
3194 	case 4:
3195 #define ICE_CD_4_M 0xF000U
3196 #define ICE_CD_4_S 12
3197 		inkey.xlt2_cdid &= ~CPU_TO_LE16(ICE_CD_4_M);
3198 		inkey.xlt2_cdid |= CPU_TO_LE16(BIT(cdid) << ICE_CD_4_S);
3199 		break;
3200 	case 8:
3201 #define ICE_CD_8_M 0xFF00U
3202 #define ICE_CD_8_S 16
3203 		inkey.xlt2_cdid &= ~CPU_TO_LE16(ICE_CD_8_M);
3204 		inkey.xlt2_cdid |= CPU_TO_LE16(BIT(cdid) << ICE_CD_8_S);
3205 		break;
3206 	default:
3207 		ice_debug(hw, ICE_DBG_PKG, "Error in profile config\n");
3208 		break;
3209 	};
3210 
3211 	return ice_set_key(key, ICE_TCAM_KEY_SZ, (u8 *)&inkey, vl_msk, dc_msk,
3212 			   nm_msk, 0, ICE_TCAM_KEY_SZ / 2);
3213 }
3214 
3215 /**
3216  * ice_tcam_write_entry - write TCAM entry
3217  * @hw: pointer to the HW struct
3218  * @blk: the block in which to write profile ID to
3219  * @idx: the entry index to write to
3220  * @prof_id: profile ID
3221  * @ptg: packet type group (PTG) portion of key
3222  * @vsig: VSIG portion of key
3223  * @cdid: cdid portion of key
3224  * @flags: flag portion of key
3225  * @vl_msk: valid mask
3226  * @dc_msk: don't care mask
3227  * @nm_msk: never match mask
3228  */
3229 static enum ice_status
3230 ice_tcam_write_entry(struct ice_hw *hw, enum ice_block blk, u16 idx,
3231 		     u8 prof_id, u8 ptg, u16 vsig, u8 cdid, u16 flags,
3232 		     u8 vl_msk[ICE_TCAM_KEY_VAL_SZ],
3233 		     u8 dc_msk[ICE_TCAM_KEY_VAL_SZ],
3234 		     u8 nm_msk[ICE_TCAM_KEY_VAL_SZ])
3235 {
3236 	struct ice_prof_tcam_entry;
3237 	enum ice_status status;
3238 
3239 	status = ice_prof_gen_key(hw, blk, ptg, vsig, cdid, flags, vl_msk,
3240 				  dc_msk, nm_msk, hw->blk[blk].prof.t[idx].key);
3241 	if (!status) {
3242 		hw->blk[blk].prof.t[idx].addr = CPU_TO_LE16(idx);
3243 		hw->blk[blk].prof.t[idx].prof_id = prof_id;
3244 	}
3245 
3246 	return status;
3247 }
3248 
3249 /**
3250  * ice_vsig_get_ref - returns number of VSIs belong to a VSIG
3251  * @hw: pointer to the hardware structure
3252  * @blk: HW block
3253  * @vsig: VSIG to query
3254  * @refs: pointer to variable to receive the reference count
3255  */
3256 static enum ice_status
3257 ice_vsig_get_ref(struct ice_hw *hw, enum ice_block blk, u16 vsig, u16 *refs)
3258 {
3259 	u16 idx = vsig & ICE_VSIG_IDX_M;
3260 	struct ice_vsig_vsi *ptr;
3261 	*refs = 0;
3262 
3263 	if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use)
3264 		return ICE_ERR_DOES_NOT_EXIST;
3265 
3266 	ptr = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
3267 	while (ptr) {
3268 		(*refs)++;
3269 		ptr = ptr->next_vsi;
3270 	}
3271 
3272 	return ICE_SUCCESS;
3273 }
3274 
3275 /**
3276  * ice_get_ptg - get or allocate a ptg for a ptype
3277  * @hw: pointer to the hardware structure
3278  * @blk: HW block
3279  * @ptype: the ptype to retrieve the PTG for
3280  * @ptg: receives the PTG of the ptype
3281  * @add: receive boolean indicating whether PTG was added or not
3282  */
3283 static enum ice_status
3284 ice_get_ptg(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 *ptg,
3285 	    bool *add)
3286 {
3287 	enum ice_status status;
3288 
3289 	*ptg = ICE_DEFAULT_PTG;
3290 	*add = false;
3291 
3292 	status = ice_ptg_find_ptype(hw, blk, ptype, ptg);
3293 	if (status)
3294 		return status;
3295 
3296 	if (*ptg == ICE_DEFAULT_PTG) {
3297 		/* need to allocate a PTG, and add ptype to it */
3298 		*ptg = ice_ptg_alloc(hw, blk);
3299 		if (*ptg == ICE_DEFAULT_PTG)
3300 			return ICE_ERR_HW_TABLE;
3301 
3302 		status = ice_ptg_add_mv_ptype(hw, blk, ptype, *ptg);
3303 		if (status)
3304 			return ICE_ERR_HW_TABLE;
3305 
3306 		*add = true;
3307 	}
3308 
3309 	return ICE_SUCCESS;
3310 };
3311 
3312 /**
3313  * ice_has_prof_vsig - check to see if VSIG has a specific profile
3314  * @hw: pointer to the hardware structure
3315  * @blk: HW block
3316  * @vsig: VSIG to check against
3317  * @hdl: profile handle
3318  */
3319 static bool
3320 ice_has_prof_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl)
3321 {
3322 	u16 idx = vsig & ICE_VSIG_IDX_M;
3323 	struct ice_vsig_prof *ent;
3324 
3325 	LIST_FOR_EACH_ENTRY(ent, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
3326 			    ice_vsig_prof, list) {
3327 		if (ent->profile_cookie == hdl)
3328 			return true;
3329 	}
3330 
3331 	ice_debug(hw, ICE_DBG_INIT,
3332 		  "Characteristic list for VSI group %d not found.\n",
3333 		  vsig);
3334 	return false;
3335 }
3336 
3337 /**
3338  * ice_prof_bld_es - build profile ID extraction sequence changes
3339  * @hw: pointer to the HW struct
3340  * @blk: hardware block
3341  * @bld: the update package buffer build to add to
3342  * @chgs: the list of changes to make in hardware
3343  */
3344 static enum ice_status
3345 ice_prof_bld_es(struct ice_hw *hw, enum ice_block blk,
3346 		struct ice_buf_build *bld, struct LIST_HEAD_TYPE *chgs)
3347 {
3348 	u16 vec_size = hw->blk[blk].es.fvw * sizeof(struct ice_fv_word);
3349 	struct ice_chs_chg *tmp;
3350 
3351 	LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry) {
3352 		if (tmp->type == ICE_PTG_ES_ADD && tmp->add_prof) {
3353 			u16 off = tmp->prof_id * hw->blk[blk].es.fvw;
3354 			struct ice_pkg_es *p;
3355 			u32 id;
3356 
3357 			id = ice_sect_id(blk, ICE_VEC_TBL);
3358 			p = (struct ice_pkg_es *)
3359 				ice_pkg_buf_alloc_section(bld, id, sizeof(*p) +
3360 							  vec_size -
3361 							  sizeof(p->es[0]));
3362 
3363 			if (!p)
3364 				return ICE_ERR_MAX_LIMIT;
3365 
3366 			p->count = CPU_TO_LE16(1);
3367 			p->offset = CPU_TO_LE16(tmp->prof_id);
3368 
3369 			ice_memcpy(p->es, &hw->blk[blk].es.t[off], vec_size,
3370 				   ICE_NONDMA_TO_NONDMA);
3371 		}
3372 	}
3373 
3374 	return ICE_SUCCESS;
3375 }
3376 
3377 /**
3378  * ice_prof_bld_tcam - build profile ID TCAM changes
3379  * @hw: pointer to the HW struct
3380  * @blk: hardware block
3381  * @bld: the update package buffer build to add to
3382  * @chgs: the list of changes to make in hardware
3383  */
3384 static enum ice_status
3385 ice_prof_bld_tcam(struct ice_hw *hw, enum ice_block blk,
3386 		  struct ice_buf_build *bld, struct LIST_HEAD_TYPE *chgs)
3387 {
3388 	struct ice_chs_chg *tmp;
3389 
3390 	LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry) {
3391 		if (tmp->type == ICE_TCAM_ADD && tmp->add_tcam_idx) {
3392 			struct ice_prof_id_section *p;
3393 			u32 id;
3394 
3395 			id = ice_sect_id(blk, ICE_PROF_TCAM);
3396 			p = (struct ice_prof_id_section *)
3397 				ice_pkg_buf_alloc_section(bld, id, sizeof(*p));
3398 
3399 			if (!p)
3400 				return ICE_ERR_MAX_LIMIT;
3401 
3402 			p->count = CPU_TO_LE16(1);
3403 			p->entry[0].addr = CPU_TO_LE16(tmp->tcam_idx);
3404 			p->entry[0].prof_id = tmp->prof_id;
3405 
3406 			ice_memcpy(p->entry[0].key,
3407 				   &hw->blk[blk].prof.t[tmp->tcam_idx].key,
3408 				   sizeof(hw->blk[blk].prof.t->key),
3409 				   ICE_NONDMA_TO_NONDMA);
3410 		}
3411 	}
3412 
3413 	return ICE_SUCCESS;
3414 }
3415 
3416 /**
3417  * ice_prof_bld_xlt1 - build XLT1 changes
3418  * @blk: hardware block
3419  * @bld: the update package buffer build to add to
3420  * @chgs: the list of changes to make in hardware
3421  */
3422 static enum ice_status
3423 ice_prof_bld_xlt1(enum ice_block blk, struct ice_buf_build *bld,
3424 		  struct LIST_HEAD_TYPE *chgs)
3425 {
3426 	struct ice_chs_chg *tmp;
3427 
3428 	LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry) {
3429 		if (tmp->type == ICE_PTG_ES_ADD && tmp->add_ptg) {
3430 			struct ice_xlt1_section *p;
3431 			u32 id;
3432 
3433 			id = ice_sect_id(blk, ICE_XLT1);
3434 			p = (struct ice_xlt1_section *)
3435 				ice_pkg_buf_alloc_section(bld, id, sizeof(*p));
3436 
3437 			if (!p)
3438 				return ICE_ERR_MAX_LIMIT;
3439 
3440 			p->count = CPU_TO_LE16(1);
3441 			p->offset = CPU_TO_LE16(tmp->ptype);
3442 			p->value[0] = tmp->ptg;
3443 		}
3444 	}
3445 
3446 	return ICE_SUCCESS;
3447 }
3448 
3449 /**
3450  * ice_prof_bld_xlt2 - build XLT2 changes
3451  * @blk: hardware block
3452  * @bld: the update package buffer build to add to
3453  * @chgs: the list of changes to make in hardware
3454  */
3455 static enum ice_status
3456 ice_prof_bld_xlt2(enum ice_block blk, struct ice_buf_build *bld,
3457 		  struct LIST_HEAD_TYPE *chgs)
3458 {
3459 	struct ice_chs_chg *tmp;
3460 
3461 	LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry) {
3462 		bool found = false;
3463 
3464 		if (tmp->type == ICE_VSIG_ADD)
3465 			found = true;
3466 		else if (tmp->type == ICE_VSI_MOVE)
3467 			found = true;
3468 		else if (tmp->type == ICE_VSIG_REM)
3469 			found = true;
3470 
3471 		if (found) {
3472 			struct ice_xlt2_section *p;
3473 			u32 id;
3474 
3475 			id = ice_sect_id(blk, ICE_XLT2);
3476 			p = (struct ice_xlt2_section *)
3477 				ice_pkg_buf_alloc_section(bld, id, sizeof(*p));
3478 
3479 			if (!p)
3480 				return ICE_ERR_MAX_LIMIT;
3481 
3482 			p->count = CPU_TO_LE16(1);
3483 			p->offset = CPU_TO_LE16(tmp->vsi);
3484 			p->value[0] = CPU_TO_LE16(tmp->vsig);
3485 		}
3486 	}
3487 
3488 	return ICE_SUCCESS;
3489 }
3490 
3491 /**
3492  * ice_upd_prof_hw - update hardware using the change list
3493  * @hw: pointer to the HW struct
3494  * @blk: hardware block
3495  * @chgs: the list of changes to make in hardware
3496  */
3497 static enum ice_status
3498 ice_upd_prof_hw(struct ice_hw *hw, enum ice_block blk,
3499 		struct LIST_HEAD_TYPE *chgs)
3500 {
3501 	struct ice_buf_build *b;
3502 	struct ice_chs_chg *tmp;
3503 	enum ice_status status;
3504 	u16 pkg_sects = 0;
3505 	u16 sects = 0;
3506 	u16 xlt1 = 0;
3507 	u16 xlt2 = 0;
3508 	u16 tcam = 0;
3509 	u16 es = 0;
3510 
3511 	/* count number of sections we need */
3512 	LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry) {
3513 		switch (tmp->type) {
3514 		case ICE_PTG_ES_ADD:
3515 			if (tmp->add_ptg)
3516 				xlt1++;
3517 			if (tmp->add_prof)
3518 				es++;
3519 			break;
3520 		case ICE_TCAM_ADD:
3521 			tcam++;
3522 			break;
3523 		case ICE_VSIG_ADD:
3524 		case ICE_VSI_MOVE:
3525 		case ICE_VSIG_REM:
3526 			xlt2++;
3527 			break;
3528 		default:
3529 			break;
3530 		}
3531 	}
3532 	sects = xlt1 + xlt2 + tcam + es;
3533 
3534 	if (!sects)
3535 		return ICE_SUCCESS;
3536 
3537 	/* Build update package buffer */
3538 	b = ice_pkg_buf_alloc(hw);
3539 	if (!b)
3540 		return ICE_ERR_NO_MEMORY;
3541 
3542 	status = ice_pkg_buf_reserve_section(b, sects);
3543 	if (status)
3544 		goto error_tmp;
3545 
3546 	/* Preserve order of table update: ES, TCAM, PTG, VSIG */
3547 	if (es) {
3548 		status = ice_prof_bld_es(hw, blk, b, chgs);
3549 		if (status)
3550 			goto error_tmp;
3551 	}
3552 
3553 	if (tcam) {
3554 		status = ice_prof_bld_tcam(hw, blk, b, chgs);
3555 		if (status)
3556 			goto error_tmp;
3557 	}
3558 
3559 	if (xlt1) {
3560 		status = ice_prof_bld_xlt1(blk, b, chgs);
3561 		if (status)
3562 			goto error_tmp;
3563 	}
3564 
3565 	if (xlt2) {
3566 		status = ice_prof_bld_xlt2(blk, b, chgs);
3567 		if (status)
3568 			goto error_tmp;
3569 	}
3570 
3571 	/* After package buffer build check if the section count in buffer is
3572 	 * non-zero and matches the number of sections detected for package
3573 	 * update.
3574 	 */
3575 	pkg_sects = ice_pkg_buf_get_active_sections(b);
3576 	if (!pkg_sects || pkg_sects != sects) {
3577 		status = ICE_ERR_INVAL_SIZE;
3578 		goto error_tmp;
3579 	}
3580 
3581 	/* update package */
3582 	status = ice_update_pkg(hw, ice_pkg_buf(b), 1);
3583 	if (status == ICE_ERR_AQ_ERROR)
3584 		ice_debug(hw, ICE_DBG_INIT, "Unable to update HW profile.");
3585 
3586 error_tmp:
3587 	ice_pkg_buf_free(hw, b);
3588 	return status;
3589 }
3590 
3591 /**
3592  * ice_update_fd_mask - set Flow Director Field Vector mask for a profile
3593  * @hw: pointer to the HW struct
3594  * @prof_id: profile ID
3595  * @mask_sel: mask select
3596  *
3597  * This function enable any of the masks selected by the mask select parameter
3598  * for the profile specified.
3599  */
3600 static void ice_update_fd_mask(struct ice_hw *hw, u16 prof_id, u32 mask_sel)
3601 {
3602 	wr32(hw, GLQF_FDMASK_SEL(prof_id), mask_sel);
3603 
3604 	ice_debug(hw, ICE_DBG_INIT, "fd mask(%d): %x = %x\n", prof_id,
3605 		  GLQF_FDMASK_SEL(prof_id), mask_sel);
3606 }
3607 
3608 #define ICE_SRC_DST_MAX_COUNT	8
3609 
3610 struct ice_fd_src_dst_pair {
3611 	u8 prot_id;
3612 	u8 count;
3613 	u16 off;
3614 };
3615 
3616 static const struct ice_fd_src_dst_pair ice_fd_pairs[] = {
3617 	/* These are defined in pairs */
3618 	{ ICE_PROT_IPV4_OF_OR_S, 2, 12 },
3619 	{ ICE_PROT_IPV4_OF_OR_S, 2, 16 },
3620 
3621 	{ ICE_PROT_IPV4_IL, 2, 12 },
3622 	{ ICE_PROT_IPV4_IL, 2, 16 },
3623 
3624 	{ ICE_PROT_IPV6_OF_OR_S, 8, 8 },
3625 	{ ICE_PROT_IPV6_OF_OR_S, 8, 24 },
3626 
3627 	{ ICE_PROT_IPV6_IL, 8, 8 },
3628 	{ ICE_PROT_IPV6_IL, 8, 24 },
3629 
3630 	{ ICE_PROT_TCP_IL, 1, 0 },
3631 	{ ICE_PROT_TCP_IL, 1, 2 },
3632 
3633 	{ ICE_PROT_UDP_OF, 1, 0 },
3634 	{ ICE_PROT_UDP_OF, 1, 2 },
3635 
3636 	{ ICE_PROT_UDP_IL_OR_S, 1, 0 },
3637 	{ ICE_PROT_UDP_IL_OR_S, 1, 2 },
3638 
3639 	{ ICE_PROT_SCTP_IL, 1, 0 },
3640 	{ ICE_PROT_SCTP_IL, 1, 2 }
3641 };
3642 
3643 #define ICE_FD_SRC_DST_PAIR_COUNT	ARRAY_SIZE(ice_fd_pairs)
3644 
3645 /**
3646  * ice_update_fd_swap - set register appropriately for a FD FV extraction
3647  * @hw: pointer to the HW struct
3648  * @prof_id: profile ID
3649  * @es: extraction sequence (length of array is determined by the block)
3650  */
3651 static enum ice_status
3652 ice_update_fd_swap(struct ice_hw *hw, u16 prof_id, struct ice_fv_word *es)
3653 {
3654 	ice_declare_bitmap(pair_list, ICE_FD_SRC_DST_PAIR_COUNT);
3655 	u8 pair_start[ICE_FD_SRC_DST_PAIR_COUNT] = { 0 };
3656 #define ICE_FD_FV_NOT_FOUND (-2)
3657 	s8 first_free = ICE_FD_FV_NOT_FOUND;
3658 	u8 used[ICE_MAX_FV_WORDS] = { 0 };
3659 	s8 orig_free, si;
3660 	u32 mask_sel = 0;
3661 	u8 i, j, k;
3662 
3663 	ice_memset(pair_list, 0, sizeof(pair_list), ICE_NONDMA_MEM);
3664 
3665 	ice_init_fd_mask_regs(hw);
3666 
3667 	/* This code assumes that the Flow Director field vectors are assigned
3668 	 * from the end of the FV indexes working towards the zero index, that
3669 	 * only complete fields will be included and will be consecutive, and
3670 	 * that there are no gaps between valid indexes.
3671 	 */
3672 
3673 	/* Determine swap fields present */
3674 	for (i = 0; i < hw->blk[ICE_BLK_FD].es.fvw; i++) {
3675 		/* Find the first free entry, assuming right to left population.
3676 		 * This is where we can start adding additional pairs if needed.
3677 		 */
3678 		if (first_free == ICE_FD_FV_NOT_FOUND && es[i].prot_id !=
3679 		    ICE_PROT_INVALID)
3680 			first_free = i - 1;
3681 
3682 		for (j = 0; j < ICE_FD_SRC_DST_PAIR_COUNT; j++) {
3683 			if (es[i].prot_id == ice_fd_pairs[j].prot_id &&
3684 			    es[i].off == ice_fd_pairs[j].off) {
3685 				ice_set_bit(j, pair_list);
3686 				pair_start[j] = i;
3687 			}
3688 		}
3689 	}
3690 
3691 	orig_free = first_free;
3692 
3693 	/* determine missing swap fields that need to be added */
3694 	for (i = 0; i < ICE_FD_SRC_DST_PAIR_COUNT; i += 2) {
3695 		u8 bit1 = ice_is_bit_set(pair_list, i + 1);
3696 		u8 bit0 = ice_is_bit_set(pair_list, i);
3697 
3698 		if (bit0 ^ bit1) {
3699 			u8 index;
3700 
3701 			/* add the appropriate 'paired' entry */
3702 			if (!bit0)
3703 				index = i;
3704 			else
3705 				index = i + 1;
3706 
3707 			/* check for room */
3708 			if (first_free + 1 < ice_fd_pairs[index].count)
3709 				return ICE_ERR_MAX_LIMIT;
3710 
3711 			/* place in extraction sequence */
3712 			for (k = 0; k < ice_fd_pairs[index].count; k++) {
3713 				es[first_free - k].prot_id =
3714 					ice_fd_pairs[index].prot_id;
3715 				es[first_free - k].off =
3716 					ice_fd_pairs[index].off + (k * 2);
3717 
3718 				/* keep track of non-relevant fields */
3719 				mask_sel |= 1 << (first_free - k);
3720 			}
3721 
3722 			pair_start[index] = first_free;
3723 			first_free -= ice_fd_pairs[index].count;
3724 		}
3725 	}
3726 
3727 	/* fill in the swap array */
3728 	si = hw->blk[ICE_BLK_FD].es.fvw - 1;
3729 	do {
3730 		u8 indexes_used = 1;
3731 
3732 		/* assume flat at this index */
3733 #define ICE_SWAP_VALID	0x80
3734 		used[si] = si | ICE_SWAP_VALID;
3735 
3736 		if (orig_free == ICE_FD_FV_NOT_FOUND || si <= orig_free) {
3737 			si -= indexes_used;
3738 			continue;
3739 		}
3740 
3741 		/* check for a swap location */
3742 		for (j = 0; j < ICE_FD_SRC_DST_PAIR_COUNT; j++) {
3743 			if (es[si].prot_id == ice_fd_pairs[j].prot_id &&
3744 			    es[si].off == ice_fd_pairs[j].off) {
3745 				u8 idx;
3746 
3747 				/* determine the appropriate matching field */
3748 				idx = j + ((j % 2) ? -1 : 1);
3749 
3750 				indexes_used = ice_fd_pairs[idx].count;
3751 				for (k = 0; k < indexes_used; k++) {
3752 					used[si - k] = (pair_start[idx] - k) |
3753 						ICE_SWAP_VALID;
3754 				}
3755 
3756 				break;
3757 			}
3758 		}
3759 
3760 		si -= indexes_used;
3761 	} while (si >= 0);
3762 
3763 	/* for each set of 4 swap indexes, write the appropriate register */
3764 	for (j = 0; j < hw->blk[ICE_BLK_FD].es.fvw / 4; j++) {
3765 		u32 raw_entry = 0;
3766 
3767 		for (k = 0; k < 4; k++) {
3768 			u8 idx;
3769 
3770 			idx = (j * 4) + k;
3771 			if (used[idx])
3772 				raw_entry |= used[idx] << (k * 8);
3773 		}
3774 
3775 		/* write the appropriate register set, based on HW block */
3776 		wr32(hw, GLQF_FDSWAP(prof_id, j), raw_entry);
3777 
3778 		ice_debug(hw, ICE_DBG_INIT, "swap wr(%d, %d): %x = %x\n",
3779 			  prof_id, j, GLQF_FDSWAP(prof_id, j), raw_entry);
3780 	}
3781 
3782 	/* update the masks for this profile to be sure we ignore fields that
3783 	 * are not relevant to our match criteria
3784 	 */
3785 	ice_update_fd_mask(hw, prof_id, mask_sel);
3786 
3787 	return ICE_SUCCESS;
3788 }
3789 
3790 /**
3791  * ice_add_prof - add profile
3792  * @hw: pointer to the HW struct
3793  * @blk: hardware block
3794  * @id: profile tracking ID
3795  * @ptypes: array of bitmaps indicating ptypes (ICE_FLOW_PTYPE_MAX bits)
3796  * @es: extraction sequence (length of array is determined by the block)
3797  *
3798  * This function registers a profile, which matches a set of PTYPES with a
3799  * particular extraction sequence. While the hardware profile is allocated
3800  * it will not be written until the first call to ice_add_flow that specifies
3801  * the ID value used here.
3802  */
3803 enum ice_status
3804 ice_add_prof(struct ice_hw *hw, enum ice_block blk, u64 id, u8 ptypes[],
3805 	     struct ice_fv_word *es)
3806 {
3807 	u32 bytes = DIVIDE_AND_ROUND_UP(ICE_FLOW_PTYPE_MAX, BITS_PER_BYTE);
3808 	struct ice_prof_map *prof;
3809 	enum ice_status status;
3810 	u32 byte = 0;
3811 	u8 prof_id;
3812 
3813 	/* search for existing profile */
3814 	status = ice_find_prof_id(hw, blk, es, &prof_id);
3815 	if (status) {
3816 		/* allocate profile ID */
3817 		status = ice_alloc_prof_id(hw, blk, &prof_id);
3818 		if (status)
3819 			goto err_ice_add_prof;
3820 		if (blk == ICE_BLK_FD) {
3821 			/* For Flow Director block, the extraction sequence may
3822 			 * need to be altered in the case where there are paired
3823 			 * fields that have no match. This is necessary because
3824 			 * for Flow Director, src and dest fields need to paired
3825 			 * for filter programming and these values are swapped
3826 			 * during Tx.
3827 			 */
3828 			status = ice_update_fd_swap(hw, prof_id, es);
3829 			if (status)
3830 				goto err_ice_add_prof;
3831 		}
3832 
3833 		/* and write new es */
3834 		ice_write_es(hw, blk, prof_id, es);
3835 	}
3836 
3837 	ice_prof_inc_ref(hw, blk, prof_id);
3838 
3839 	/* add profile info */
3840 
3841 	prof = (struct ice_prof_map *)ice_malloc(hw, sizeof(*prof));
3842 	if (!prof)
3843 		goto err_ice_add_prof;
3844 
3845 	prof->profile_cookie = id;
3846 	prof->prof_id = prof_id;
3847 	prof->ptype_count = 0;
3848 	prof->context = 0;
3849 
3850 	/* build list of ptgs */
3851 	while (bytes && prof->ptype_count < ICE_MAX_PTYPE_PER_PROFILE) {
3852 		u32 bit;
3853 
3854 		if (!ptypes[byte]) {
3855 			bytes--;
3856 			byte++;
3857 			continue;
3858 		}
3859 		/* Examine 8 bits per byte */
3860 		for (bit = 0; bit < 8; bit++) {
3861 			if (ptypes[byte] & 1 << bit) {
3862 				u16 ptype;
3863 				u8 m;
3864 
3865 				ptype = byte * 8 + bit;
3866 				if (ptype < ICE_FLOW_PTYPE_MAX) {
3867 					prof->ptype[prof->ptype_count] = ptype;
3868 
3869 					if (++prof->ptype_count >=
3870 						ICE_MAX_PTYPE_PER_PROFILE)
3871 						break;
3872 				}
3873 
3874 				/* nothing left in byte, then exit */
3875 				m = ~((1 << (bit + 1)) - 1);
3876 				if (!(ptypes[byte] & m))
3877 					break;
3878 			}
3879 		}
3880 
3881 		bytes--;
3882 		byte++;
3883 	}
3884 	LIST_ADD(&prof->list, &hw->blk[blk].es.prof_map);
3885 
3886 	return ICE_SUCCESS;
3887 
3888 err_ice_add_prof:
3889 	return status;
3890 }
3891 
3892 /**
3893  * ice_search_prof_id - Search for a profile tracking ID
3894  * @hw: pointer to the HW struct
3895  * @blk: hardware block
3896  * @id: profile tracking ID
3897  *
3898  * This will search for a profile tracking ID which was previously added.
3899  */
3900 struct ice_prof_map *
3901 ice_search_prof_id(struct ice_hw *hw, enum ice_block blk, u64 id)
3902 {
3903 	struct ice_prof_map *entry = NULL;
3904 	struct ice_prof_map *map;
3905 
3906 	LIST_FOR_EACH_ENTRY(map, &hw->blk[blk].es.prof_map, ice_prof_map,
3907 			    list) {
3908 		if (map->profile_cookie == id) {
3909 			entry = map;
3910 			break;
3911 		}
3912 	}
3913 
3914 	return entry;
3915 }
3916 
3917 /**
3918  * ice_set_prof_context - Set context for a given profile
3919  * @hw: pointer to the HW struct
3920  * @blk: hardware block
3921  * @id: profile tracking ID
3922  * @cntxt: context
3923  */
3924 struct ice_prof_map *
3925 ice_set_prof_context(struct ice_hw *hw, enum ice_block blk, u64 id, u64 cntxt)
3926 {
3927 	struct ice_prof_map *entry;
3928 
3929 	entry = ice_search_prof_id(hw, blk, id);
3930 	if (entry)
3931 		entry->context = cntxt;
3932 
3933 	return entry;
3934 }
3935 
3936 /**
3937  * ice_get_prof_context - Get context for a given profile
3938  * @hw: pointer to the HW struct
3939  * @blk: hardware block
3940  * @id: profile tracking ID
3941  * @cntxt: pointer to variable to receive the context
3942  */
3943 struct ice_prof_map *
3944 ice_get_prof_context(struct ice_hw *hw, enum ice_block blk, u64 id, u64 *cntxt)
3945 {
3946 	struct ice_prof_map *entry;
3947 
3948 	entry = ice_search_prof_id(hw, blk, id);
3949 	if (entry)
3950 		*cntxt = entry->context;
3951 
3952 	return entry;
3953 }
3954 
3955 /**
3956  * ice_vsig_prof_id_count - count profiles in a VSIG
3957  * @hw: pointer to the HW struct
3958  * @blk: hardware block
3959  * @vsig: VSIG to remove the profile from
3960  */
3961 static u16
3962 ice_vsig_prof_id_count(struct ice_hw *hw, enum ice_block blk, u16 vsig)
3963 {
3964 	u16 idx = vsig & ICE_VSIG_IDX_M, count = 0;
3965 	struct ice_vsig_prof *p;
3966 
3967 	LIST_FOR_EACH_ENTRY(p, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
3968 			    ice_vsig_prof, list) {
3969 		count++;
3970 	}
3971 
3972 	return count;
3973 }
3974 
3975 /**
3976  * ice_rel_tcam_idx - release a TCAM index
3977  * @hw: pointer to the HW struct
3978  * @blk: hardware block
3979  * @idx: the index to release
3980  */
3981 static enum ice_status
3982 ice_rel_tcam_idx(struct ice_hw *hw, enum ice_block blk, u16 idx)
3983 {
3984 	/* Masks to invoke a never match entry */
3985 	u8 vl_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
3986 	u8 dc_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFE, 0xFF, 0xFF, 0xFF, 0xFF };
3987 	u8 nm_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x01, 0x00, 0x00, 0x00, 0x00 };
3988 	enum ice_status status;
3989 
3990 	/* write the TCAM entry */
3991 	status = ice_tcam_write_entry(hw, blk, idx, 0, 0, 0, 0, 0, vl_msk,
3992 				      dc_msk, nm_msk);
3993 	if (status)
3994 		return status;
3995 
3996 	/* release the TCAM entry */
3997 	status = ice_free_tcam_ent(hw, blk, idx);
3998 
3999 	return status;
4000 }
4001 
4002 /**
4003  * ice_rem_prof_id - remove one profile from a VSIG
4004  * @hw: pointer to the HW struct
4005  * @blk: hardware block
4006  * @prof: pointer to profile structure to remove
4007  */
4008 static enum ice_status
4009 ice_rem_prof_id(struct ice_hw *hw, enum ice_block blk,
4010 		struct ice_vsig_prof *prof)
4011 {
4012 	enum ice_status status;
4013 	u16 i;
4014 
4015 	for (i = 0; i < prof->tcam_count; i++) {
4016 		prof->tcam[i].in_use = false;
4017 		status = ice_rel_tcam_idx(hw, blk, prof->tcam[i].tcam_idx);
4018 		if (status)
4019 			return ICE_ERR_HW_TABLE;
4020 	}
4021 
4022 	return ICE_SUCCESS;
4023 }
4024 
4025 /**
4026  * ice_rem_vsig - remove VSIG
4027  * @hw: pointer to the HW struct
4028  * @blk: hardware block
4029  * @vsig: the VSIG to remove
4030  * @chg: the change list
4031  */
4032 static enum ice_status
4033 ice_rem_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig,
4034 	     struct LIST_HEAD_TYPE *chg)
4035 {
4036 	u16 idx = vsig & ICE_VSIG_IDX_M;
4037 	struct ice_vsig_vsi *vsi_cur;
4038 	struct ice_vsig_prof *d, *t;
4039 	enum ice_status status;
4040 
4041 	/* remove TCAM entries */
4042 	LIST_FOR_EACH_ENTRY_SAFE(d, t,
4043 				 &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
4044 				 ice_vsig_prof, list) {
4045 		status = ice_rem_prof_id(hw, blk, d);
4046 		if (status)
4047 			return status;
4048 
4049 		LIST_DEL(&d->list);
4050 		ice_free(hw, d);
4051 	}
4052 
4053 	/* Move all VSIS associated with this VSIG to the default VSIG */
4054 	vsi_cur = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
4055 	/* If the VSIG has at least 1 VSI then iterate through the list
4056 	 * and remove the VSIs before deleting the group.
4057 	 */
4058 	if (vsi_cur) {
4059 		do {
4060 			struct ice_vsig_vsi *tmp = vsi_cur->next_vsi;
4061 			struct ice_chs_chg *p;
4062 
4063 			p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p));
4064 			if (!p)
4065 				return ICE_ERR_NO_MEMORY;
4066 
4067 			p->type = ICE_VSIG_REM;
4068 			p->orig_vsig = vsig;
4069 			p->vsig = ICE_DEFAULT_VSIG;
4070 			p->vsi = vsi_cur - hw->blk[blk].xlt2.vsis;
4071 
4072 			LIST_ADD(&p->list_entry, chg);
4073 
4074 			vsi_cur = tmp;
4075 		} while (vsi_cur);
4076 	}
4077 
4078 	status = ice_vsig_free(hw, blk, vsig);
4079 
4080 	return status;
4081 }
4082 
4083 /**
4084  * ice_rem_prof_id_vsig - remove a specific profile from a VSIG
4085  * @hw: pointer to the HW struct
4086  * @blk: hardware block
4087  * @vsig: VSIG to remove the profile from
4088  * @hdl: profile handle indicating which profile to remove
4089  * @chg: list to receive a record of changes
4090  */
4091 static enum ice_status
4092 ice_rem_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl,
4093 		     struct LIST_HEAD_TYPE *chg)
4094 {
4095 	u16 idx = vsig & ICE_VSIG_IDX_M;
4096 	struct ice_vsig_prof *p, *t;
4097 	enum ice_status status;
4098 
4099 	LIST_FOR_EACH_ENTRY_SAFE(p, t,
4100 				 &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
4101 				 ice_vsig_prof, list) {
4102 		if (p->profile_cookie == hdl) {
4103 			if (ice_vsig_prof_id_count(hw, blk, vsig) == 1)
4104 				/* this is the last profile, remove the VSIG */
4105 				return ice_rem_vsig(hw, blk, vsig, chg);
4106 
4107 			status = ice_rem_prof_id(hw, blk, p);
4108 			if (!status) {
4109 				LIST_DEL(&p->list);
4110 				ice_free(hw, p);
4111 			}
4112 			return status;
4113 		}
4114 	}
4115 
4116 	return ICE_ERR_DOES_NOT_EXIST;
4117 }
4118 
4119 /**
4120  * ice_rem_flow_all - remove all flows with a particular profile
4121  * @hw: pointer to the HW struct
4122  * @blk: hardware block
4123  * @id: profile tracking ID
4124  */
4125 static enum ice_status
4126 ice_rem_flow_all(struct ice_hw *hw, enum ice_block blk, u64 id)
4127 {
4128 	struct ice_chs_chg *del, *tmp;
4129 	struct LIST_HEAD_TYPE chg;
4130 	enum ice_status status;
4131 	u16 i;
4132 
4133 	INIT_LIST_HEAD(&chg);
4134 
4135 	for (i = 1; i < ICE_MAX_VSIGS; i++) {
4136 		if (hw->blk[blk].xlt2.vsig_tbl[i].in_use) {
4137 			if (ice_has_prof_vsig(hw, blk, i, id)) {
4138 				status = ice_rem_prof_id_vsig(hw, blk, i, id,
4139 							      &chg);
4140 				if (status)
4141 					goto err_ice_rem_flow_all;
4142 			}
4143 		}
4144 	}
4145 
4146 	status = ice_upd_prof_hw(hw, blk, &chg);
4147 
4148 err_ice_rem_flow_all:
4149 	LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &chg, ice_chs_chg, list_entry) {
4150 		LIST_DEL(&del->list_entry);
4151 		ice_free(hw, del);
4152 	}
4153 
4154 	return status;
4155 }
4156 
4157 /**
4158  * ice_rem_prof - remove profile
4159  * @hw: pointer to the HW struct
4160  * @blk: hardware block
4161  * @id: profile tracking ID
4162  *
4163  * This will remove the profile specified by the ID parameter, which was
4164  * previously created through ice_add_prof. If any existing entries
4165  * are associated with this profile, they will be removed as well.
4166  */
4167 enum ice_status ice_rem_prof(struct ice_hw *hw, enum ice_block blk, u64 id)
4168 {
4169 	enum ice_status status;
4170 	struct ice_prof_map *pmap;
4171 
4172 	pmap = ice_search_prof_id(hw, blk, id);
4173 	if (!pmap)
4174 		return ICE_ERR_DOES_NOT_EXIST;
4175 
4176 	/* remove all flows with this profile */
4177 	status = ice_rem_flow_all(hw, blk, pmap->profile_cookie);
4178 	if (status)
4179 		return status;
4180 
4181 	/* remove profile */
4182 	status = ice_free_prof_id(hw, blk, pmap->prof_id);
4183 	if (status)
4184 		return status;
4185 	/* dereference profile, and possibly remove */
4186 	ice_prof_dec_ref(hw, blk, pmap->prof_id);
4187 
4188 	LIST_DEL(&pmap->list);
4189 	ice_free(hw, pmap);
4190 
4191 	return ICE_SUCCESS;
4192 }
4193 
4194 /**
4195  * ice_get_prof_ptgs - get ptgs for profile
4196  * @hw: pointer to the HW struct
4197  * @blk: hardware block
4198  * @hdl: profile handle
4199  * @chg: change list
4200  */
4201 static enum ice_status
4202 ice_get_prof_ptgs(struct ice_hw *hw, enum ice_block blk, u64 hdl,
4203 		  struct LIST_HEAD_TYPE *chg)
4204 {
4205 	struct ice_prof_map *map;
4206 	struct ice_chs_chg *p;
4207 	u16 i;
4208 
4209 	/* Get the details on the profile specified by the handle ID */
4210 	map = ice_search_prof_id(hw, blk, hdl);
4211 	if (!map)
4212 		return ICE_ERR_DOES_NOT_EXIST;
4213 
4214 	for (i = 0; i < map->ptype_count; i++) {
4215 		enum ice_status status;
4216 		bool add;
4217 		u8 ptg;
4218 
4219 		status = ice_get_ptg(hw, blk, map->ptype[i], &ptg, &add);
4220 		if (status)
4221 			goto err_ice_get_prof_ptgs;
4222 
4223 		if (add || !hw->blk[blk].es.written[map->prof_id]) {
4224 			/* add PTG to change list */
4225 			p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p));
4226 			if (!p)
4227 				goto err_ice_get_prof_ptgs;
4228 
4229 			p->type = ICE_PTG_ES_ADD;
4230 			p->ptype = map->ptype[i];
4231 			p->ptg = ptg;
4232 			p->add_ptg = add;
4233 
4234 			p->add_prof = !hw->blk[blk].es.written[map->prof_id];
4235 			p->prof_id = map->prof_id;
4236 
4237 			hw->blk[blk].es.written[map->prof_id] = true;
4238 
4239 			LIST_ADD(&p->list_entry, chg);
4240 		}
4241 	}
4242 
4243 	return ICE_SUCCESS;
4244 
4245 err_ice_get_prof_ptgs:
4246 	/* let caller clean up the change list */
4247 	return ICE_ERR_NO_MEMORY;
4248 }
4249 
4250 /**
4251  * ice_get_profs_vsig - get a copy of the list of profiles from a VSIG
4252  * @hw: pointer to the HW struct
4253  * @blk: hardware block
4254  * @vsig: VSIG from which to copy the list
4255  * @lst: output list
4256  *
4257  * This routine makes a copy of the list of profiles in the specified VSIG.
4258  */
4259 static enum ice_status
4260 ice_get_profs_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig,
4261 		   struct LIST_HEAD_TYPE *lst)
4262 {
4263 	struct ice_vsig_prof *ent1, *ent2;
4264 	u16 idx = vsig & ICE_VSIG_IDX_M;
4265 
4266 	LIST_FOR_EACH_ENTRY(ent1, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
4267 			    ice_vsig_prof, list) {
4268 		struct ice_vsig_prof *p;
4269 
4270 		/* copy to the input list */
4271 		p = (struct ice_vsig_prof *)ice_malloc(hw, sizeof(*p));
4272 		if (!p)
4273 			goto err_ice_get_profs_vsig;
4274 
4275 		ice_memcpy(p, ent1, sizeof(*p), ICE_NONDMA_TO_NONDMA);
4276 
4277 		LIST_ADD_TAIL(&p->list, lst);
4278 	}
4279 
4280 	return ICE_SUCCESS;
4281 
4282 err_ice_get_profs_vsig:
4283 	LIST_FOR_EACH_ENTRY_SAFE(ent1, ent2, lst, ice_vsig_prof, list) {
4284 		LIST_DEL(&ent1->list);
4285 		ice_free(hw, ent1);
4286 	}
4287 
4288 	return ICE_ERR_NO_MEMORY;
4289 }
4290 
4291 /**
4292  * ice_add_prof_to_lst - add profile entry to a list
4293  * @hw: pointer to the HW struct
4294  * @blk: hardware block
4295  * @lst: the list to be added to
4296  * @hdl: profile handle of entry to add
4297  */
4298 static enum ice_status
4299 ice_add_prof_to_lst(struct ice_hw *hw, enum ice_block blk,
4300 		    struct LIST_HEAD_TYPE *lst, u64 hdl)
4301 {
4302 	struct ice_vsig_prof *p;
4303 	struct ice_prof_map *map;
4304 	u16 i;
4305 
4306 	map = ice_search_prof_id(hw, blk, hdl);
4307 	if (!map)
4308 		return ICE_ERR_DOES_NOT_EXIST;
4309 
4310 	p = (struct ice_vsig_prof *)ice_malloc(hw, sizeof(*p));
4311 	if (!p)
4312 		return ICE_ERR_NO_MEMORY;
4313 
4314 	p->profile_cookie = map->profile_cookie;
4315 	p->prof_id = map->prof_id;
4316 	p->tcam_count = map->ptype_count;
4317 
4318 	for (i = 0; i < map->ptype_count; i++) {
4319 		u8 ptg;
4320 
4321 		p->tcam[i].prof_id = map->prof_id;
4322 		p->tcam[i].tcam_idx = ICE_INVALID_TCAM;
4323 
4324 		ice_ptg_find_ptype(hw, blk, map->ptype[i], &ptg);
4325 
4326 		p->tcam[i].ptg = ptg;
4327 	}
4328 
4329 	LIST_ADD(&p->list, lst);
4330 
4331 	return ICE_SUCCESS;
4332 }
4333 
4334 /**
4335  * ice_move_vsi - move VSI to another VSIG
4336  * @hw: pointer to the HW struct
4337  * @blk: hardware block
4338  * @vsi: the VSI to move
4339  * @vsig: the VSIG to move the VSI to
4340  * @chg: the change list
4341  */
4342 static enum ice_status
4343 ice_move_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig,
4344 	     struct LIST_HEAD_TYPE *chg)
4345 {
4346 	enum ice_status status;
4347 	struct ice_chs_chg *p;
4348 	u16 orig_vsig;
4349 
4350 	p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p));
4351 	if (!p)
4352 		return ICE_ERR_NO_MEMORY;
4353 
4354 	status = ice_vsig_find_vsi(hw, blk, vsi, &orig_vsig);
4355 	if (!status)
4356 		status = ice_vsig_add_mv_vsi(hw, blk, vsi, vsig);
4357 	if (status) {
4358 		ice_free(hw, p);
4359 		return status;
4360 	}
4361 
4362 	p->type = ICE_VSI_MOVE;
4363 	p->vsi = vsi;
4364 	p->orig_vsig = orig_vsig;
4365 	p->vsig = vsig;
4366 
4367 	LIST_ADD(&p->list_entry, chg);
4368 
4369 	return ICE_SUCCESS;
4370 }
4371 
4372 /**
4373  * ice_prof_tcam_ena_dis - add enable or disable TCAM change
4374  * @hw: pointer to the HW struct
4375  * @blk: hardware block
4376  * @enable: true to enable, false to disable
4377  * @vsig: the vsig of the TCAM entry
4378  * @tcam: pointer the TCAM info structure of the TCAM to disable
4379  * @chg: the change list
4380  *
4381  * This function appends an enable or disable TCAM entry in the change log
4382  */
4383 static enum ice_status
4384 ice_prof_tcam_ena_dis(struct ice_hw *hw, enum ice_block blk, bool enable,
4385 		      u16 vsig, struct ice_tcam_inf *tcam,
4386 		      struct LIST_HEAD_TYPE *chg)
4387 {
4388 	enum ice_status status;
4389 	struct ice_chs_chg *p;
4390 
4391 	/* Default: enable means change the low flag bit to don't care */
4392 	u8 dc_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x01, 0x00, 0x00, 0x00, 0x00 };
4393 	u8 nm_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x00, 0x00, 0x00, 0x00, 0x00 };
4394 	u8 vl_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x01, 0x00, 0x00, 0x00, 0x00 };
4395 
4396 	/* If disabled, change the low flag bit to never match */
4397 	if (!enable) {
4398 		dc_msk[0] = 0x00;
4399 		nm_msk[0] = 0x01;
4400 	}
4401 
4402 	/* add TCAM to change list */
4403 	p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p));
4404 	if (!p)
4405 		return ICE_ERR_NO_MEMORY;
4406 
4407 	status = ice_tcam_write_entry(hw, blk, tcam->tcam_idx, tcam->prof_id,
4408 				      tcam->ptg, vsig, 0, 0, vl_msk, dc_msk,
4409 				      nm_msk);
4410 	if (status)
4411 		goto err_ice_prof_tcam_ena_dis;
4412 
4413 	tcam->in_use = enable;
4414 
4415 	p->type = ICE_TCAM_ADD;
4416 	p->add_tcam_idx = true;
4417 	p->prof_id = tcam->prof_id;
4418 	p->ptg = tcam->ptg;
4419 	p->vsig = 0;
4420 	p->tcam_idx = tcam->tcam_idx;
4421 
4422 	/* log change */
4423 	LIST_ADD(&p->list_entry, chg);
4424 
4425 	return ICE_SUCCESS;
4426 
4427 err_ice_prof_tcam_ena_dis:
4428 	ice_free(hw, p);
4429 	return status;
4430 }
4431 
4432 /**
4433  * ice_adj_prof_priorities - adjust profile based on priorities
4434  * @hw: pointer to the HW struct
4435  * @blk: hardware block
4436  * @vsig: the VSIG for which to adjust profile priorities
4437  * @chg: the change list
4438  */
4439 static enum ice_status
4440 ice_adj_prof_priorities(struct ice_hw *hw, enum ice_block blk, u16 vsig,
4441 			struct LIST_HEAD_TYPE *chg)
4442 {
4443 	ice_declare_bitmap(ptgs_used, ICE_XLT1_CNT);
4444 	struct ice_vsig_prof *t;
4445 	enum ice_status status;
4446 	u16 idx;
4447 
4448 	ice_memset(ptgs_used, 0, sizeof(ptgs_used), ICE_NONDMA_MEM);
4449 	idx = vsig & ICE_VSIG_IDX_M;
4450 
4451 	/* Priority is based on the order in which the profiles are added. The
4452 	 * newest added profile has highest priority and the oldest added
4453 	 * profile has the lowest priority. Since the profile property list for
4454 	 * a VSIG is sorted from newest to oldest, this code traverses the list
4455 	 * in order and enables the first of each PTG that it finds (that is not
4456 	 * already enabled); it also disables any duplicate PTGs that it finds
4457 	 * in the older profiles (that are currently enabled).
4458 	 */
4459 
4460 	LIST_FOR_EACH_ENTRY(t, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
4461 			    ice_vsig_prof, list) {
4462 		u16 i;
4463 
4464 		for (i = 0; i < t->tcam_count; i++) {
4465 			/* Scan the priorities from newest to oldest.
4466 			 * Make sure that the newest profiles take priority.
4467 			 */
4468 			if (ice_is_bit_set(ptgs_used, t->tcam[i].ptg) &&
4469 			    t->tcam[i].in_use) {
4470 				/* need to mark this PTG as never match, as it
4471 				 * was already in use and therefore duplicate
4472 				 * (and lower priority)
4473 				 */
4474 				status = ice_prof_tcam_ena_dis(hw, blk, false,
4475 							       vsig,
4476 							       &t->tcam[i],
4477 							       chg);
4478 				if (status)
4479 					return status;
4480 			} else if (!ice_is_bit_set(ptgs_used, t->tcam[i].ptg) &&
4481 				   !t->tcam[i].in_use) {
4482 				/* need to enable this PTG, as it in not in use
4483 				 * and not enabled (highest priority)
4484 				 */
4485 				status = ice_prof_tcam_ena_dis(hw, blk, true,
4486 							       vsig,
4487 							       &t->tcam[i],
4488 							       chg);
4489 				if (status)
4490 					return status;
4491 			}
4492 
4493 			/* keep track of used ptgs */
4494 			ice_set_bit(t->tcam[i].ptg, ptgs_used);
4495 		}
4496 	}
4497 
4498 	return ICE_SUCCESS;
4499 }
4500 
4501 /**
4502  * ice_add_prof_id_vsig - add profile to VSIG
4503  * @hw: pointer to the HW struct
4504  * @blk: hardware block
4505  * @vsig: the VSIG to which this profile is to be added
4506  * @hdl: the profile handle indicating the profile to add
4507  * @chg: the change list
4508  */
4509 static enum ice_status
4510 ice_add_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl,
4511 		     struct LIST_HEAD_TYPE *chg)
4512 {
4513 	/* Masks that ignore flags */
4514 	u8 vl_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
4515 	u8 dc_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0x00, 0x00, 0x00 };
4516 	u8 nm_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x00, 0x00, 0x00, 0x00, 0x00 };
4517 	struct ice_prof_map *map;
4518 	struct ice_vsig_prof *t;
4519 	struct ice_chs_chg *p;
4520 	u16 i;
4521 
4522 	/* Get the details on the profile specified by the handle ID */
4523 	map = ice_search_prof_id(hw, blk, hdl);
4524 	if (!map)
4525 		return ICE_ERR_DOES_NOT_EXIST;
4526 
4527 	/* Error, if this VSIG already has this profile */
4528 	if (ice_has_prof_vsig(hw, blk, vsig, hdl))
4529 		return ICE_ERR_ALREADY_EXISTS;
4530 
4531 	/* new VSIG profile structure */
4532 	t = (struct ice_vsig_prof *)ice_malloc(hw, sizeof(*t));
4533 	if (!t)
4534 		goto err_ice_add_prof_id_vsig;
4535 
4536 	t->profile_cookie = map->profile_cookie;
4537 	t->prof_id = map->prof_id;
4538 	t->tcam_count = map->ptype_count;
4539 
4540 	/* create TCAM entries */
4541 	for (i = 0; i < map->ptype_count; i++) {
4542 		enum ice_status status;
4543 		u16 tcam_idx;
4544 		bool add;
4545 		u8 ptg;
4546 
4547 		/* If properly sequenced, we should never have to allocate new
4548 		 * PTGs
4549 		 */
4550 		status = ice_get_ptg(hw, blk, map->ptype[i], &ptg, &add);
4551 		if (status)
4552 			goto err_ice_add_prof_id_vsig;
4553 
4554 		/* add TCAM to change list */
4555 		p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p));
4556 		if (!p)
4557 			goto err_ice_add_prof_id_vsig;
4558 
4559 		/* allocate the TCAM entry index */
4560 		status = ice_alloc_tcam_ent(hw, blk, &tcam_idx);
4561 		if (status) {
4562 			ice_free(hw, p);
4563 			goto err_ice_add_prof_id_vsig;
4564 		}
4565 
4566 		t->tcam[i].ptg = ptg;
4567 		t->tcam[i].prof_id = map->prof_id;
4568 		t->tcam[i].tcam_idx = tcam_idx;
4569 		t->tcam[i].in_use = true;
4570 
4571 		p->type = ICE_TCAM_ADD;
4572 		p->add_tcam_idx = true;
4573 		p->prof_id = t->tcam[i].prof_id;
4574 		p->ptg = t->tcam[i].ptg;
4575 		p->vsig = vsig;
4576 		p->tcam_idx = t->tcam[i].tcam_idx;
4577 
4578 		/* write the TCAM entry */
4579 		status = ice_tcam_write_entry(hw, blk, t->tcam[i].tcam_idx,
4580 					      t->tcam[i].prof_id,
4581 					      t->tcam[i].ptg, vsig, 0, 0,
4582 					      vl_msk, dc_msk, nm_msk);
4583 		if (status)
4584 			goto err_ice_add_prof_id_vsig;
4585 
4586 		/* log change */
4587 		LIST_ADD(&p->list_entry, chg);
4588 	}
4589 
4590 	/* add profile to VSIG */
4591 	LIST_ADD(&t->list,
4592 		 &hw->blk[blk].xlt2.vsig_tbl[(vsig & ICE_VSIG_IDX_M)].prop_lst);
4593 
4594 	return ICE_SUCCESS;
4595 
4596 err_ice_add_prof_id_vsig:
4597 	/* let caller clean up the change list */
4598 	ice_free(hw, t);
4599 	return ICE_ERR_NO_MEMORY;
4600 }
4601 
4602 /**
4603  * ice_create_prof_id_vsig - add a new VSIG with a single profile
4604  * @hw: pointer to the HW struct
4605  * @blk: hardware block
4606  * @vsi: the initial VSI that will be in VSIG
4607  * @hdl: the profile handle of the profile that will be added to the VSIG
4608  * @chg: the change list
4609  */
4610 static enum ice_status
4611 ice_create_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl,
4612 			struct LIST_HEAD_TYPE *chg)
4613 {
4614 	enum ice_status status;
4615 	struct ice_chs_chg *p;
4616 	u16 new_vsig;
4617 
4618 	p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p));
4619 	if (!p)
4620 		return ICE_ERR_NO_MEMORY;
4621 
4622 	new_vsig = ice_vsig_alloc(hw, blk);
4623 	if (!new_vsig) {
4624 		status = ICE_ERR_HW_TABLE;
4625 		goto err_ice_create_prof_id_vsig;
4626 	}
4627 
4628 	status = ice_move_vsi(hw, blk, vsi, new_vsig, chg);
4629 	if (status)
4630 		goto err_ice_create_prof_id_vsig;
4631 
4632 	status = ice_add_prof_id_vsig(hw, blk, new_vsig, hdl, chg);
4633 	if (status)
4634 		goto err_ice_create_prof_id_vsig;
4635 
4636 	p->type = ICE_VSIG_ADD;
4637 	p->vsi = vsi;
4638 	p->orig_vsig = ICE_DEFAULT_VSIG;
4639 	p->vsig = new_vsig;
4640 
4641 	LIST_ADD(&p->list_entry, chg);
4642 
4643 	return ICE_SUCCESS;
4644 
4645 err_ice_create_prof_id_vsig:
4646 	/* let caller clean up the change list */
4647 	ice_free(hw, p);
4648 	return status;
4649 }
4650 
4651 /**
4652  * ice_create_vsig_from_list - create a new VSIG with a list of profiles
4653  * @hw: pointer to the HW struct
4654  * @blk: hardware block
4655  * @vsi: the initial VSI that will be in VSIG
4656  * @lst: the list of profile that will be added to the VSIG
4657  * @chg: the change list
4658  */
4659 static enum ice_status
4660 ice_create_vsig_from_lst(struct ice_hw *hw, enum ice_block blk, u16 vsi,
4661 			 struct LIST_HEAD_TYPE *lst, struct LIST_HEAD_TYPE *chg)
4662 {
4663 	struct ice_vsig_prof *t;
4664 	enum ice_status status;
4665 	u16 vsig;
4666 
4667 	vsig = ice_vsig_alloc(hw, blk);
4668 	if (!vsig)
4669 		return ICE_ERR_HW_TABLE;
4670 
4671 	status = ice_move_vsi(hw, blk, vsi, vsig, chg);
4672 	if (status)
4673 		return status;
4674 
4675 	LIST_FOR_EACH_ENTRY(t, lst, ice_vsig_prof, list) {
4676 		status = ice_add_prof_id_vsig(hw, blk, vsig, t->profile_cookie,
4677 					      chg);
4678 		if (status)
4679 			return status;
4680 	}
4681 
4682 	return ICE_SUCCESS;
4683 }
4684 
4685 /**
4686  * ice_find_prof_vsig - find a VSIG with a specific profile handle
4687  * @hw: pointer to the HW struct
4688  * @blk: hardware block
4689  * @hdl: the profile handle of the profile to search for
4690  * @vsig: returns the VSIG with the matching profile
4691  */
4692 static bool
4693 ice_find_prof_vsig(struct ice_hw *hw, enum ice_block blk, u64 hdl, u16 *vsig)
4694 {
4695 	struct ice_vsig_prof *t;
4696 	struct LIST_HEAD_TYPE lst;
4697 	enum ice_status status;
4698 
4699 	INIT_LIST_HEAD(&lst);
4700 
4701 	t = (struct ice_vsig_prof *)ice_malloc(hw, sizeof(*t));
4702 	if (!t)
4703 		return false;
4704 
4705 	t->profile_cookie = hdl;
4706 	LIST_ADD(&t->list, &lst);
4707 
4708 	status = ice_find_dup_props_vsig(hw, blk, &lst, vsig);
4709 
4710 	LIST_DEL(&t->list);
4711 	ice_free(hw, t);
4712 
4713 	return status == ICE_SUCCESS;
4714 }
4715 
4716 /**
4717  * ice_add_prof_id_flow - add profile flow
4718  * @hw: pointer to the HW struct
4719  * @blk: hardware block
4720  * @vsi: the VSI to enable with the profile specified by ID
4721  * @hdl: profile handle
4722  *
4723  * Calling this function will update the hardware tables to enable the
4724  * profile indicated by the ID parameter for the VSIs specified in the VSI
4725  * array. Once successfully called, the flow will be enabled.
4726  */
4727 enum ice_status
4728 ice_add_prof_id_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl)
4729 {
4730 	struct ice_vsig_prof *tmp1, *del1;
4731 	struct LIST_HEAD_TYPE union_lst;
4732 	struct ice_chs_chg *tmp, *del;
4733 	struct LIST_HEAD_TYPE chrs;
4734 	struct LIST_HEAD_TYPE chg;
4735 	enum ice_status status;
4736 	u16 vsig, or_vsig = 0;
4737 
4738 	INIT_LIST_HEAD(&union_lst);
4739 	INIT_LIST_HEAD(&chrs);
4740 	INIT_LIST_HEAD(&chg);
4741 
4742 	status = ice_get_prof_ptgs(hw, blk, hdl, &chg);
4743 	if (status)
4744 		return status;
4745 
4746 	/* determine if VSI is already part of a VSIG */
4747 	status = ice_vsig_find_vsi(hw, blk, vsi, &vsig);
4748 	if (!status && vsig) {
4749 		bool only_vsi;
4750 		u16 ref;
4751 
4752 		/* found in vsig */
4753 		or_vsig = vsig;
4754 
4755 		/* make sure that there is no overlap/conflict between the new
4756 		 * characteristics and the existing ones; we don't support that
4757 		 * scenario
4758 		 */
4759 		if (ice_has_prof_vsig(hw, blk, vsig, hdl)) {
4760 			status = ICE_ERR_ALREADY_EXISTS;
4761 			goto err_ice_add_prof_id_flow;
4762 		}
4763 
4764 		/* last VSI in the VSIG? */
4765 		status = ice_vsig_get_ref(hw, blk, vsig, &ref);
4766 		if (status)
4767 			goto err_ice_add_prof_id_flow;
4768 		only_vsi = (ref == 1);
4769 
4770 		/* create a union of the current profiles and the one being
4771 		 * added
4772 		 */
4773 		status = ice_get_profs_vsig(hw, blk, vsig, &union_lst);
4774 		if (status)
4775 			goto err_ice_add_prof_id_flow;
4776 
4777 		status = ice_add_prof_to_lst(hw, blk, &union_lst, hdl);
4778 		if (status)
4779 			goto err_ice_add_prof_id_flow;
4780 
4781 		/* search for an existing VSIG with an exact charc match */
4782 		status = ice_find_dup_props_vsig(hw, blk, &union_lst, &vsig);
4783 		if (!status) {
4784 			/* move VSI to the VSIG that matches */
4785 			status = ice_move_vsi(hw, blk, vsi, vsig, &chg);
4786 			if (status)
4787 				goto err_ice_add_prof_id_flow;
4788 
4789 			/* VSI has been moved out of or_vsig. If the or_vsig had
4790 			 * only that VSI it is now empty and can be removed.
4791 			 */
4792 			if (only_vsi) {
4793 				status = ice_rem_vsig(hw, blk, or_vsig, &chg);
4794 				if (status)
4795 					goto err_ice_add_prof_id_flow;
4796 			}
4797 		} else if (only_vsi) {
4798 			/* If the original VSIG only contains one VSI, then it
4799 			 * will be the requesting VSI. In this case the VSI is
4800 			 * not sharing entries and we can simply add the new
4801 			 * profile to the VSIG.
4802 			 */
4803 			status = ice_add_prof_id_vsig(hw, blk, vsig, hdl, &chg);
4804 			if (status)
4805 				goto err_ice_add_prof_id_flow;
4806 
4807 			/* Adjust priorities */
4808 			status = ice_adj_prof_priorities(hw, blk, vsig, &chg);
4809 			if (status)
4810 				goto err_ice_add_prof_id_flow;
4811 		} else {
4812 			/* No match, so we need a new VSIG */
4813 			status = ice_create_vsig_from_lst(hw, blk, vsi,
4814 							  &union_lst, &chg);
4815 			if (status)
4816 				goto err_ice_add_prof_id_flow;
4817 
4818 			/* Adjust priorities */
4819 			status = ice_adj_prof_priorities(hw, blk, vsig, &chg);
4820 			if (status)
4821 				goto err_ice_add_prof_id_flow;
4822 		}
4823 	} else {
4824 		/* need to find or add a VSIG */
4825 		/* search for an existing VSIG with an exact charc match */
4826 		if (ice_find_prof_vsig(hw, blk, hdl, &vsig)) {
4827 			/* found an exact match */
4828 			/* add or move VSI to the VSIG that matches */
4829 			status = ice_move_vsi(hw, blk, vsi, vsig, &chg);
4830 			if (status)
4831 				goto err_ice_add_prof_id_flow;
4832 		} else {
4833 			/* we did not find an exact match */
4834 			/* we need to add a VSIG */
4835 			status = ice_create_prof_id_vsig(hw, blk, vsi, hdl,
4836 							 &chg);
4837 			if (status)
4838 				goto err_ice_add_prof_id_flow;
4839 		}
4840 	}
4841 
4842 	/* update hardware */
4843 	if (!status)
4844 		status = ice_upd_prof_hw(hw, blk, &chg);
4845 
4846 err_ice_add_prof_id_flow:
4847 	LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &chg, ice_chs_chg, list_entry) {
4848 		LIST_DEL(&del->list_entry);
4849 		ice_free(hw, del);
4850 	}
4851 
4852 	LIST_FOR_EACH_ENTRY_SAFE(del1, tmp1, &union_lst, ice_vsig_prof, list) {
4853 		LIST_DEL(&del1->list);
4854 		ice_free(hw, del1);
4855 	}
4856 
4857 	LIST_FOR_EACH_ENTRY_SAFE(del1, tmp1, &chrs, ice_vsig_prof, list) {
4858 		LIST_DEL(&del1->list);
4859 		ice_free(hw, del1);
4860 	}
4861 
4862 	return status;
4863 }
4864 
4865 /**
4866  * ice_add_flow - add flow
4867  * @hw: pointer to the HW struct
4868  * @blk: hardware block
4869  * @vsi: array of VSIs to enable with the profile specified by ID
4870  * @count: number of elements in the VSI array
4871  * @id: profile tracking ID
4872  *
4873  * Calling this function will update the hardware tables to enable the
4874  * profile indicated by the ID parameter for the VSIs specified in the VSI
4875  * array. Once successfully called, the flow will be enabled.
4876  */
4877 enum ice_status
4878 ice_add_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi[], u8 count,
4879 	     u64 id)
4880 {
4881 	enum ice_status status;
4882 	u16 i;
4883 
4884 	for (i = 0; i < count; i++) {
4885 		status = ice_add_prof_id_flow(hw, blk, vsi[i], id);
4886 		if (status)
4887 			return status;
4888 	}
4889 
4890 	return ICE_SUCCESS;
4891 }
4892 
4893 /**
4894  * ice_rem_prof_from_list - remove a profile from list
4895  * @hw: pointer to the HW struct
4896  * @lst: list to remove the profile from
4897  * @hdl: the profile handle indicating the profile to remove
4898  */
4899 static enum ice_status
4900 ice_rem_prof_from_list(struct ice_hw *hw, struct LIST_HEAD_TYPE *lst, u64 hdl)
4901 {
4902 	struct ice_vsig_prof *ent, *tmp;
4903 
4904 	LIST_FOR_EACH_ENTRY_SAFE(ent, tmp, lst, ice_vsig_prof, list) {
4905 		if (ent->profile_cookie == hdl) {
4906 			LIST_DEL(&ent->list);
4907 			ice_free(hw, ent);
4908 			return ICE_SUCCESS;
4909 		}
4910 	}
4911 
4912 	return ICE_ERR_DOES_NOT_EXIST;
4913 }
4914 
4915 /**
4916  * ice_rem_prof_id_flow - remove flow
4917  * @hw: pointer to the HW struct
4918  * @blk: hardware block
4919  * @vsi: the VSI from which to remove the profile specified by ID
4920  * @hdl: profile tracking handle
4921  *
4922  * Calling this function will update the hardware tables to remove the
4923  * profile indicated by the ID parameter for the VSIs specified in the VSI
4924  * array. Once successfully called, the flow will be disabled.
4925  */
4926 enum ice_status
4927 ice_rem_prof_id_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl)
4928 {
4929 	struct ice_vsig_prof *tmp1, *del1;
4930 	struct LIST_HEAD_TYPE chg, copy;
4931 	struct ice_chs_chg *tmp, *del;
4932 	enum ice_status status;
4933 	u16 vsig;
4934 
4935 	INIT_LIST_HEAD(&copy);
4936 	INIT_LIST_HEAD(&chg);
4937 
4938 	/* determine if VSI is already part of a VSIG */
4939 	status = ice_vsig_find_vsi(hw, blk, vsi, &vsig);
4940 	if (!status && vsig) {
4941 		bool last_profile;
4942 		bool only_vsi;
4943 		u16 ref;
4944 
4945 		/* found in VSIG */
4946 		last_profile = ice_vsig_prof_id_count(hw, blk, vsig) == 1;
4947 		status = ice_vsig_get_ref(hw, blk, vsig, &ref);
4948 		if (status)
4949 			goto err_ice_rem_prof_id_flow;
4950 		only_vsi = (ref == 1);
4951 
4952 		if (only_vsi) {
4953 			/* If the original VSIG only contains one reference,
4954 			 * which will be the requesting VSI, then the VSI is not
4955 			 * sharing entries and we can simply remove the specific
4956 			 * characteristics from the VSIG.
4957 			 */
4958 
4959 			if (last_profile) {
4960 				/* If there are no profiles left for this VSIG,
4961 				 * then simply remove the the VSIG.
4962 				 */
4963 				status = ice_rem_vsig(hw, blk, vsig, &chg);
4964 				if (status)
4965 					goto err_ice_rem_prof_id_flow;
4966 			} else {
4967 				status = ice_rem_prof_id_vsig(hw, blk, vsig,
4968 							      hdl, &chg);
4969 				if (status)
4970 					goto err_ice_rem_prof_id_flow;
4971 
4972 				/* Adjust priorities */
4973 				status = ice_adj_prof_priorities(hw, blk, vsig,
4974 								 &chg);
4975 				if (status)
4976 					goto err_ice_rem_prof_id_flow;
4977 			}
4978 
4979 		} else {
4980 			/* Make a copy of the VSIG's list of Profiles */
4981 			status = ice_get_profs_vsig(hw, blk, vsig, &copy);
4982 			if (status)
4983 				goto err_ice_rem_prof_id_flow;
4984 
4985 			/* Remove specified profile entry from the list */
4986 			status = ice_rem_prof_from_list(hw, &copy, hdl);
4987 			if (status)
4988 				goto err_ice_rem_prof_id_flow;
4989 
4990 			if (LIST_EMPTY(&copy)) {
4991 				status = ice_move_vsi(hw, blk, vsi,
4992 						      ICE_DEFAULT_VSIG, &chg);
4993 				if (status)
4994 					goto err_ice_rem_prof_id_flow;
4995 
4996 			} else if (!ice_find_dup_props_vsig(hw, blk, &copy,
4997 							    &vsig)) {
4998 				/* found an exact match */
4999 				/* add or move VSI to the VSIG that matches */
5000 				/* Search for a VSIG with a matching profile
5001 				 * list
5002 				 */
5003 
5004 				/* Found match, move VSI to the matching VSIG */
5005 				status = ice_move_vsi(hw, blk, vsi, vsig, &chg);
5006 				if (status)
5007 					goto err_ice_rem_prof_id_flow;
5008 			} else {
5009 				/* since no existing VSIG supports this
5010 				 * characteristic pattern, we need to create a
5011 				 * new VSIG and TCAM entries
5012 				 */
5013 				status = ice_create_vsig_from_lst(hw, blk, vsi,
5014 								  &copy, &chg);
5015 				if (status)
5016 					goto err_ice_rem_prof_id_flow;
5017 
5018 				/* Adjust priorities */
5019 				status = ice_adj_prof_priorities(hw, blk, vsig,
5020 								 &chg);
5021 				if (status)
5022 					goto err_ice_rem_prof_id_flow;
5023 			}
5024 		}
5025 	} else {
5026 		status = ICE_ERR_DOES_NOT_EXIST;
5027 	}
5028 
5029 	/* update hardware tables */
5030 	if (!status)
5031 		status = ice_upd_prof_hw(hw, blk, &chg);
5032 
5033 err_ice_rem_prof_id_flow:
5034 	LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &chg, ice_chs_chg, list_entry) {
5035 		LIST_DEL(&del->list_entry);
5036 		ice_free(hw, del);
5037 	}
5038 
5039 	LIST_FOR_EACH_ENTRY_SAFE(del1, tmp1, &copy, ice_vsig_prof, list) {
5040 		LIST_DEL(&del1->list);
5041 		ice_free(hw, del1);
5042 	}
5043 
5044 	return status;
5045 }
5046 
5047 /**
5048  * ice_rem_flow - remove flow
5049  * @hw: pointer to the HW struct
5050  * @blk: hardware block
5051  * @vsi: array of VSIs from which to remove the profile specified by ID
5052  * @count: number of elements in the VSI array
5053  * @id: profile tracking ID
5054  *
5055  * The function will remove flows from the specified VSIs that were enabled
5056  * using ice_add_flow. The ID value will indicated which profile will be
5057  * removed. Once successfully called, the flow will be disabled.
5058  */
5059 enum ice_status
5060 ice_rem_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi[], u8 count,
5061 	     u64 id)
5062 {
5063 	enum ice_status status;
5064 	u16 i;
5065 
5066 	for (i = 0; i < count; i++) {
5067 		status = ice_rem_prof_id_flow(hw, blk, vsi[i], id);
5068 		if (status)
5069 			return status;
5070 	}
5071 
5072 	return ICE_SUCCESS;
5073 }
5074