xref: /dpdk/drivers/net/ice/base/ice_flex_pipe.c (revision 0144eeaf)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2001-2021 Intel Corporation
3  */
4 
5 #include "ice_common.h"
6 #include "ice_flex_pipe.h"
7 #include "ice_protocol_type.h"
8 #include "ice_flow.h"
9 
10 /* To support tunneling entries by PF, the package will append the PF number to
11  * the label; for example TNL_VXLAN_PF0, TNL_VXLAN_PF1, TNL_VXLAN_PF2, etc.
12  */
13 static const struct ice_tunnel_type_scan tnls[] = {
14 	{ TNL_VXLAN,		"TNL_VXLAN_PF" },
15 	{ TNL_GENEVE,		"TNL_GENEVE_PF" },
16 	{ TNL_ECPRI,		"TNL_UDP_ECPRI_PF" },
17 	{ TNL_LAST,		"" }
18 };
19 
20 static const u32 ice_sect_lkup[ICE_BLK_COUNT][ICE_SECT_COUNT] = {
21 	/* SWITCH */
22 	{
23 		ICE_SID_XLT0_SW,
24 		ICE_SID_XLT_KEY_BUILDER_SW,
25 		ICE_SID_XLT1_SW,
26 		ICE_SID_XLT2_SW,
27 		ICE_SID_PROFID_TCAM_SW,
28 		ICE_SID_PROFID_REDIR_SW,
29 		ICE_SID_FLD_VEC_SW,
30 		ICE_SID_CDID_KEY_BUILDER_SW,
31 		ICE_SID_CDID_REDIR_SW
32 	},
33 
34 	/* ACL */
35 	{
36 		ICE_SID_XLT0_ACL,
37 		ICE_SID_XLT_KEY_BUILDER_ACL,
38 		ICE_SID_XLT1_ACL,
39 		ICE_SID_XLT2_ACL,
40 		ICE_SID_PROFID_TCAM_ACL,
41 		ICE_SID_PROFID_REDIR_ACL,
42 		ICE_SID_FLD_VEC_ACL,
43 		ICE_SID_CDID_KEY_BUILDER_ACL,
44 		ICE_SID_CDID_REDIR_ACL
45 	},
46 
47 	/* FD */
48 	{
49 		ICE_SID_XLT0_FD,
50 		ICE_SID_XLT_KEY_BUILDER_FD,
51 		ICE_SID_XLT1_FD,
52 		ICE_SID_XLT2_FD,
53 		ICE_SID_PROFID_TCAM_FD,
54 		ICE_SID_PROFID_REDIR_FD,
55 		ICE_SID_FLD_VEC_FD,
56 		ICE_SID_CDID_KEY_BUILDER_FD,
57 		ICE_SID_CDID_REDIR_FD
58 	},
59 
60 	/* RSS */
61 	{
62 		ICE_SID_XLT0_RSS,
63 		ICE_SID_XLT_KEY_BUILDER_RSS,
64 		ICE_SID_XLT1_RSS,
65 		ICE_SID_XLT2_RSS,
66 		ICE_SID_PROFID_TCAM_RSS,
67 		ICE_SID_PROFID_REDIR_RSS,
68 		ICE_SID_FLD_VEC_RSS,
69 		ICE_SID_CDID_KEY_BUILDER_RSS,
70 		ICE_SID_CDID_REDIR_RSS
71 	},
72 
73 	/* PE */
74 	{
75 		ICE_SID_XLT0_PE,
76 		ICE_SID_XLT_KEY_BUILDER_PE,
77 		ICE_SID_XLT1_PE,
78 		ICE_SID_XLT2_PE,
79 		ICE_SID_PROFID_TCAM_PE,
80 		ICE_SID_PROFID_REDIR_PE,
81 		ICE_SID_FLD_VEC_PE,
82 		ICE_SID_CDID_KEY_BUILDER_PE,
83 		ICE_SID_CDID_REDIR_PE
84 	}
85 };
86 
87 /**
88  * ice_sect_id - returns section ID
89  * @blk: block type
90  * @sect: section type
91  *
92  * This helper function returns the proper section ID given a block type and a
93  * section type.
94  */
95 static u32 ice_sect_id(enum ice_block blk, enum ice_sect sect)
96 {
97 	return ice_sect_lkup[blk][sect];
98 }
99 
100 /**
101  * ice_pkg_val_buf
102  * @buf: pointer to the ice buffer
103  *
104  * This helper function validates a buffer's header.
105  */
106 static struct ice_buf_hdr *ice_pkg_val_buf(struct ice_buf *buf)
107 {
108 	struct ice_buf_hdr *hdr;
109 	u16 section_count;
110 	u16 data_end;
111 
112 	hdr = (struct ice_buf_hdr *)buf->buf;
113 	/* verify data */
114 	section_count = LE16_TO_CPU(hdr->section_count);
115 	if (section_count < ICE_MIN_S_COUNT || section_count > ICE_MAX_S_COUNT)
116 		return NULL;
117 
118 	data_end = LE16_TO_CPU(hdr->data_end);
119 	if (data_end < ICE_MIN_S_DATA_END || data_end > ICE_MAX_S_DATA_END)
120 		return NULL;
121 
122 	return hdr;
123 }
124 
125 /**
126  * ice_find_buf_table
127  * @ice_seg: pointer to the ice segment
128  *
129  * Returns the address of the buffer table within the ice segment.
130  */
131 static struct ice_buf_table *ice_find_buf_table(struct ice_seg *ice_seg)
132 {
133 	struct ice_nvm_table *nvms;
134 
135 	nvms = (struct ice_nvm_table *)
136 		(ice_seg->device_table +
137 		 LE32_TO_CPU(ice_seg->device_table_count));
138 
139 	return (_FORCE_ struct ice_buf_table *)
140 		(nvms->vers + LE32_TO_CPU(nvms->table_count));
141 }
142 
143 /**
144  * ice_pkg_enum_buf
145  * @ice_seg: pointer to the ice segment (or NULL on subsequent calls)
146  * @state: pointer to the enum state
147  *
148  * This function will enumerate all the buffers in the ice segment. The first
149  * call is made with the ice_seg parameter non-NULL; on subsequent calls,
150  * ice_seg is set to NULL which continues the enumeration. When the function
151  * returns a NULL pointer, then the end of the buffers has been reached, or an
152  * unexpected value has been detected (for example an invalid section count or
153  * an invalid buffer end value).
154  */
155 static struct ice_buf_hdr *
156 ice_pkg_enum_buf(struct ice_seg *ice_seg, struct ice_pkg_enum *state)
157 {
158 	if (ice_seg) {
159 		state->buf_table = ice_find_buf_table(ice_seg);
160 		if (!state->buf_table)
161 			return NULL;
162 
163 		state->buf_idx = 0;
164 		return ice_pkg_val_buf(state->buf_table->buf_array);
165 	}
166 
167 	if (++state->buf_idx < LE32_TO_CPU(state->buf_table->buf_count))
168 		return ice_pkg_val_buf(state->buf_table->buf_array +
169 				       state->buf_idx);
170 	else
171 		return NULL;
172 }
173 
174 /**
175  * ice_pkg_advance_sect
176  * @ice_seg: pointer to the ice segment (or NULL on subsequent calls)
177  * @state: pointer to the enum state
178  *
179  * This helper function will advance the section within the ice segment,
180  * also advancing the buffer if needed.
181  */
182 static bool
183 ice_pkg_advance_sect(struct ice_seg *ice_seg, struct ice_pkg_enum *state)
184 {
185 	if (!ice_seg && !state->buf)
186 		return false;
187 
188 	if (!ice_seg && state->buf)
189 		if (++state->sect_idx < LE16_TO_CPU(state->buf->section_count))
190 			return true;
191 
192 	state->buf = ice_pkg_enum_buf(ice_seg, state);
193 	if (!state->buf)
194 		return false;
195 
196 	/* start of new buffer, reset section index */
197 	state->sect_idx = 0;
198 	return true;
199 }
200 
201 /**
202  * ice_pkg_enum_section
203  * @ice_seg: pointer to the ice segment (or NULL on subsequent calls)
204  * @state: pointer to the enum state
205  * @sect_type: section type to enumerate
206  *
207  * This function will enumerate all the sections of a particular type in the
208  * ice segment. The first call is made with the ice_seg parameter non-NULL;
209  * on subsequent calls, ice_seg is set to NULL which continues the enumeration.
210  * When the function returns a NULL pointer, then the end of the matching
211  * sections has been reached.
212  */
213 static void *
214 ice_pkg_enum_section(struct ice_seg *ice_seg, struct ice_pkg_enum *state,
215 		     u32 sect_type)
216 {
217 	u16 offset, size;
218 
219 	if (ice_seg)
220 		state->type = sect_type;
221 
222 	if (!ice_pkg_advance_sect(ice_seg, state))
223 		return NULL;
224 
225 	/* scan for next matching section */
226 	while (state->buf->section_entry[state->sect_idx].type !=
227 	       CPU_TO_LE32(state->type))
228 		if (!ice_pkg_advance_sect(NULL, state))
229 			return NULL;
230 
231 	/* validate section */
232 	offset = LE16_TO_CPU(state->buf->section_entry[state->sect_idx].offset);
233 	if (offset < ICE_MIN_S_OFF || offset > ICE_MAX_S_OFF)
234 		return NULL;
235 
236 	size = LE16_TO_CPU(state->buf->section_entry[state->sect_idx].size);
237 	if (size < ICE_MIN_S_SZ || size > ICE_MAX_S_SZ)
238 		return NULL;
239 
240 	/* make sure the section fits in the buffer */
241 	if (offset + size > ICE_PKG_BUF_SIZE)
242 		return NULL;
243 
244 	state->sect_type =
245 		LE32_TO_CPU(state->buf->section_entry[state->sect_idx].type);
246 
247 	/* calc pointer to this section */
248 	state->sect = ((u8 *)state->buf) +
249 		LE16_TO_CPU(state->buf->section_entry[state->sect_idx].offset);
250 
251 	return state->sect;
252 }
253 
254 /**
255  * ice_pkg_enum_entry
256  * @ice_seg: pointer to the ice segment (or NULL on subsequent calls)
257  * @state: pointer to the enum state
258  * @sect_type: section type to enumerate
259  * @offset: pointer to variable that receives the offset in the table (optional)
260  * @handler: function that handles access to the entries into the section type
261  *
262  * This function will enumerate all the entries in particular section type in
263  * the ice segment. The first call is made with the ice_seg parameter non-NULL;
264  * on subsequent calls, ice_seg is set to NULL which continues the enumeration.
265  * When the function returns a NULL pointer, then the end of the entries has
266  * been reached.
267  *
268  * Since each section may have a different header and entry size, the handler
269  * function is needed to determine the number and location entries in each
270  * section.
271  *
272  * The offset parameter is optional, but should be used for sections that
273  * contain an offset for each section table. For such cases, the section handler
274  * function must return the appropriate offset + index to give the absolution
275  * offset for each entry. For example, if the base for a section's header
276  * indicates a base offset of 10, and the index for the entry is 2, then
277  * section handler function should set the offset to 10 + 2 = 12.
278  */
279 static void *
280 ice_pkg_enum_entry(struct ice_seg *ice_seg, struct ice_pkg_enum *state,
281 		   u32 sect_type, u32 *offset,
282 		   void *(*handler)(u32 sect_type, void *section,
283 				    u32 index, u32 *offset))
284 {
285 	void *entry;
286 
287 	if (ice_seg) {
288 		if (!handler)
289 			return NULL;
290 
291 		if (!ice_pkg_enum_section(ice_seg, state, sect_type))
292 			return NULL;
293 
294 		state->entry_idx = 0;
295 		state->handler = handler;
296 	} else {
297 		state->entry_idx++;
298 	}
299 
300 	if (!state->handler)
301 		return NULL;
302 
303 	/* get entry */
304 	entry = state->handler(state->sect_type, state->sect, state->entry_idx,
305 			       offset);
306 	if (!entry) {
307 		/* end of a section, look for another section of this type */
308 		if (!ice_pkg_enum_section(NULL, state, 0))
309 			return NULL;
310 
311 		state->entry_idx = 0;
312 		entry = state->handler(state->sect_type, state->sect,
313 				       state->entry_idx, offset);
314 	}
315 
316 	return entry;
317 }
318 
319 /**
320  * ice_hw_ptype_ena - check if the PTYPE is enabled or not
321  * @hw: pointer to the HW structure
322  * @ptype: the hardware PTYPE
323  */
324 bool ice_hw_ptype_ena(struct ice_hw *hw, u16 ptype)
325 {
326 	return ptype < ICE_FLOW_PTYPE_MAX &&
327 	       ice_is_bit_set(hw->hw_ptype, ptype);
328 }
329 
330 /**
331  * ice_marker_ptype_tcam_handler
332  * @sect_type: section type
333  * @section: pointer to section
334  * @index: index of the Marker PType TCAM entry to be returned
335  * @offset: pointer to receive absolute offset, always 0 for ptype TCAM sections
336  *
337  * This is a callback function that can be passed to ice_pkg_enum_entry.
338  * Handles enumeration of individual Marker PType TCAM entries.
339  */
340 static void *
341 ice_marker_ptype_tcam_handler(u32 sect_type, void *section, u32 index,
342 			      u32 *offset)
343 {
344 	struct ice_marker_ptype_tcam_section *marker_ptype;
345 
346 	if (!section)
347 		return NULL;
348 
349 	if (sect_type != ICE_SID_RXPARSER_MARKER_PTYPE)
350 		return NULL;
351 
352 	/* cppcheck-suppress nullPointer */
353 	if (index > ICE_MAX_MARKER_PTYPE_TCAMS_IN_BUF)
354 		return NULL;
355 
356 	if (offset)
357 		*offset = 0;
358 
359 	marker_ptype = (struct ice_marker_ptype_tcam_section *)section;
360 	if (index >= LE16_TO_CPU(marker_ptype->count))
361 		return NULL;
362 
363 	return marker_ptype->tcam + index;
364 }
365 
366 /**
367  * ice_fill_hw_ptype - fill the enabled PTYPE bit information
368  * @hw: pointer to the HW structure
369  */
370 static void
371 ice_fill_hw_ptype(struct ice_hw *hw)
372 {
373 	struct ice_marker_ptype_tcam_entry *tcam;
374 	struct ice_seg *seg = hw->seg;
375 	struct ice_pkg_enum state;
376 
377 	ice_zero_bitmap(hw->hw_ptype, ICE_FLOW_PTYPE_MAX);
378 	if (!seg)
379 		return;
380 
381 	ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM);
382 
383 	do {
384 		tcam = (struct ice_marker_ptype_tcam_entry *)
385 			ice_pkg_enum_entry(seg, &state,
386 					   ICE_SID_RXPARSER_MARKER_PTYPE, NULL,
387 					   ice_marker_ptype_tcam_handler);
388 		if (tcam &&
389 		    LE16_TO_CPU(tcam->addr) < ICE_MARKER_PTYPE_TCAM_ADDR_MAX &&
390 		    LE16_TO_CPU(tcam->ptype) < ICE_FLOW_PTYPE_MAX)
391 			ice_set_bit(LE16_TO_CPU(tcam->ptype), hw->hw_ptype);
392 
393 		seg = NULL;
394 	} while (tcam);
395 }
396 
397 /**
398  * ice_boost_tcam_handler
399  * @sect_type: section type
400  * @section: pointer to section
401  * @index: index of the boost TCAM entry to be returned
402  * @offset: pointer to receive absolute offset, always 0 for boost TCAM sections
403  *
404  * This is a callback function that can be passed to ice_pkg_enum_entry.
405  * Handles enumeration of individual boost TCAM entries.
406  */
407 static void *
408 ice_boost_tcam_handler(u32 sect_type, void *section, u32 index, u32 *offset)
409 {
410 	struct ice_boost_tcam_section *boost;
411 
412 	if (!section)
413 		return NULL;
414 
415 	if (sect_type != ICE_SID_RXPARSER_BOOST_TCAM)
416 		return NULL;
417 
418 	if (index > ICE_MAX_BST_TCAMS_IN_BUF)
419 		return NULL;
420 
421 	if (offset)
422 		*offset = 0;
423 
424 	boost = (struct ice_boost_tcam_section *)section;
425 	if (index >= LE16_TO_CPU(boost->count))
426 		return NULL;
427 
428 	return boost->tcam + index;
429 }
430 
431 /**
432  * ice_find_boost_entry
433  * @ice_seg: pointer to the ice segment (non-NULL)
434  * @addr: Boost TCAM address of entry to search for
435  * @entry: returns pointer to the entry
436  *
437  * Finds a particular Boost TCAM entry and returns a pointer to that entry
438  * if it is found. The ice_seg parameter must not be NULL since the first call
439  * to ice_pkg_enum_entry requires a pointer to an actual ice_segment structure.
440  */
441 static enum ice_status
442 ice_find_boost_entry(struct ice_seg *ice_seg, u16 addr,
443 		     struct ice_boost_tcam_entry **entry)
444 {
445 	struct ice_boost_tcam_entry *tcam;
446 	struct ice_pkg_enum state;
447 
448 	ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM);
449 
450 	if (!ice_seg)
451 		return ICE_ERR_PARAM;
452 
453 	do {
454 		tcam = (struct ice_boost_tcam_entry *)
455 		       ice_pkg_enum_entry(ice_seg, &state,
456 					  ICE_SID_RXPARSER_BOOST_TCAM, NULL,
457 					  ice_boost_tcam_handler);
458 		if (tcam && LE16_TO_CPU(tcam->addr) == addr) {
459 			*entry = tcam;
460 			return ICE_SUCCESS;
461 		}
462 
463 		ice_seg = NULL;
464 	} while (tcam);
465 
466 	*entry = NULL;
467 	return ICE_ERR_CFG;
468 }
469 
470 /**
471  * ice_label_enum_handler
472  * @sect_type: section type
473  * @section: pointer to section
474  * @index: index of the label entry to be returned
475  * @offset: pointer to receive absolute offset, always zero for label sections
476  *
477  * This is a callback function that can be passed to ice_pkg_enum_entry.
478  * Handles enumeration of individual label entries.
479  */
480 static void *
481 ice_label_enum_handler(u32 __ALWAYS_UNUSED sect_type, void *section, u32 index,
482 		       u32 *offset)
483 {
484 	struct ice_label_section *labels;
485 
486 	if (!section)
487 		return NULL;
488 
489 	if (index > ICE_MAX_LABELS_IN_BUF)
490 		return NULL;
491 
492 	if (offset)
493 		*offset = 0;
494 
495 	labels = (struct ice_label_section *)section;
496 	if (index >= LE16_TO_CPU(labels->count))
497 		return NULL;
498 
499 	return labels->label + index;
500 }
501 
502 /**
503  * ice_enum_labels
504  * @ice_seg: pointer to the ice segment (NULL on subsequent calls)
505  * @type: the section type that will contain the label (0 on subsequent calls)
506  * @state: ice_pkg_enum structure that will hold the state of the enumeration
507  * @value: pointer to a value that will return the label's value if found
508  *
509  * Enumerates a list of labels in the package. The caller will call
510  * ice_enum_labels(ice_seg, type, ...) to start the enumeration, then call
511  * ice_enum_labels(NULL, 0, ...) to continue. When the function returns a NULL
512  * the end of the list has been reached.
513  */
514 static char *
515 ice_enum_labels(struct ice_seg *ice_seg, u32 type, struct ice_pkg_enum *state,
516 		u16 *value)
517 {
518 	struct ice_label *label;
519 
520 	/* Check for valid label section on first call */
521 	if (type && !(type >= ICE_SID_LBL_FIRST && type <= ICE_SID_LBL_LAST))
522 		return NULL;
523 
524 	label = (struct ice_label *)ice_pkg_enum_entry(ice_seg, state, type,
525 						       NULL,
526 						       ice_label_enum_handler);
527 	if (!label)
528 		return NULL;
529 
530 	*value = LE16_TO_CPU(label->value);
531 	return label->name;
532 }
533 
534 /**
535  * ice_init_pkg_hints
536  * @hw: pointer to the HW structure
537  * @ice_seg: pointer to the segment of the package scan (non-NULL)
538  *
539  * This function will scan the package and save off relevant information
540  * (hints or metadata) for driver use. The ice_seg parameter must not be NULL
541  * since the first call to ice_enum_labels requires a pointer to an actual
542  * ice_seg structure.
543  */
544 static void ice_init_pkg_hints(struct ice_hw *hw, struct ice_seg *ice_seg)
545 {
546 	struct ice_pkg_enum state;
547 	char *label_name;
548 	u16 val;
549 	int i;
550 
551 	ice_memset(&hw->tnl, 0, sizeof(hw->tnl), ICE_NONDMA_MEM);
552 	ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM);
553 
554 	if (!ice_seg)
555 		return;
556 
557 	label_name = ice_enum_labels(ice_seg, ICE_SID_LBL_RXPARSER_TMEM, &state,
558 				     &val);
559 
560 	while (label_name && hw->tnl.count < ICE_TUNNEL_MAX_ENTRIES) {
561 		for (i = 0; tnls[i].type != TNL_LAST; i++) {
562 			size_t len = strlen(tnls[i].label_prefix);
563 
564 			/* Look for matching label start, before continuing */
565 			if (strncmp(label_name, tnls[i].label_prefix, len))
566 				continue;
567 
568 			/* Make sure this label matches our PF. Note that the PF
569 			 * character ('0' - '7') will be located where our
570 			 * prefix string's null terminator is located.
571 			 */
572 			if ((label_name[len] - '0') == hw->pf_id) {
573 				hw->tnl.tbl[hw->tnl.count].type = tnls[i].type;
574 				hw->tnl.tbl[hw->tnl.count].valid = false;
575 				hw->tnl.tbl[hw->tnl.count].in_use = false;
576 				hw->tnl.tbl[hw->tnl.count].marked = false;
577 				hw->tnl.tbl[hw->tnl.count].boost_addr = val;
578 				hw->tnl.tbl[hw->tnl.count].port = 0;
579 				hw->tnl.count++;
580 				break;
581 			}
582 		}
583 
584 		label_name = ice_enum_labels(NULL, 0, &state, &val);
585 	}
586 
587 	/* Cache the appropriate boost TCAM entry pointers */
588 	for (i = 0; i < hw->tnl.count; i++) {
589 		ice_find_boost_entry(ice_seg, hw->tnl.tbl[i].boost_addr,
590 				     &hw->tnl.tbl[i].boost_entry);
591 		if (hw->tnl.tbl[i].boost_entry)
592 			hw->tnl.tbl[i].valid = true;
593 	}
594 }
595 
596 /* Key creation */
597 
598 #define ICE_DC_KEY	0x1	/* don't care */
599 #define ICE_DC_KEYINV	0x1
600 #define ICE_NM_KEY	0x0	/* never match */
601 #define ICE_NM_KEYINV	0x0
602 #define ICE_0_KEY	0x1	/* match 0 */
603 #define ICE_0_KEYINV	0x0
604 #define ICE_1_KEY	0x0	/* match 1 */
605 #define ICE_1_KEYINV	0x1
606 
607 /**
608  * ice_gen_key_word - generate 16-bits of a key/mask word
609  * @val: the value
610  * @valid: valid bits mask (change only the valid bits)
611  * @dont_care: don't care mask
612  * @nvr_mtch: never match mask
613  * @key: pointer to an array of where the resulting key portion
614  * @key_inv: pointer to an array of where the resulting key invert portion
615  *
616  * This function generates 16-bits from a 8-bit value, an 8-bit don't care mask
617  * and an 8-bit never match mask. The 16-bits of output are divided into 8 bits
618  * of key and 8 bits of key invert.
619  *
620  *     '0' =    b01, always match a 0 bit
621  *     '1' =    b10, always match a 1 bit
622  *     '?' =    b11, don't care bit (always matches)
623  *     '~' =    b00, never match bit
624  *
625  * Input:
626  *          val:         b0  1  0  1  0  1
627  *          dont_care:   b0  0  1  1  0  0
628  *          never_mtch:  b0  0  0  0  1  1
629  *          ------------------------------
630  * Result:  key:        b01 10 11 11 00 00
631  */
632 static enum ice_status
633 ice_gen_key_word(u8 val, u8 valid, u8 dont_care, u8 nvr_mtch, u8 *key,
634 		 u8 *key_inv)
635 {
636 	u8 in_key = *key, in_key_inv = *key_inv;
637 	u8 i;
638 
639 	/* 'dont_care' and 'nvr_mtch' masks cannot overlap */
640 	if ((dont_care ^ nvr_mtch) != (dont_care | nvr_mtch))
641 		return ICE_ERR_CFG;
642 
643 	*key = 0;
644 	*key_inv = 0;
645 
646 	/* encode the 8 bits into 8-bit key and 8-bit key invert */
647 	for (i = 0; i < 8; i++) {
648 		*key >>= 1;
649 		*key_inv >>= 1;
650 
651 		if (!(valid & 0x1)) { /* change only valid bits */
652 			*key |= (in_key & 0x1) << 7;
653 			*key_inv |= (in_key_inv & 0x1) << 7;
654 		} else if (dont_care & 0x1) { /* don't care bit */
655 			*key |= ICE_DC_KEY << 7;
656 			*key_inv |= ICE_DC_KEYINV << 7;
657 		} else if (nvr_mtch & 0x1) { /* never match bit */
658 			*key |= ICE_NM_KEY << 7;
659 			*key_inv |= ICE_NM_KEYINV << 7;
660 		} else if (val & 0x01) { /* exact 1 match */
661 			*key |= ICE_1_KEY << 7;
662 			*key_inv |= ICE_1_KEYINV << 7;
663 		} else { /* exact 0 match */
664 			*key |= ICE_0_KEY << 7;
665 			*key_inv |= ICE_0_KEYINV << 7;
666 		}
667 
668 		dont_care >>= 1;
669 		nvr_mtch >>= 1;
670 		valid >>= 1;
671 		val >>= 1;
672 		in_key >>= 1;
673 		in_key_inv >>= 1;
674 	}
675 
676 	return ICE_SUCCESS;
677 }
678 
679 /**
680  * ice_bits_max_set - determine if the number of bits set is within a maximum
681  * @mask: pointer to the byte array which is the mask
682  * @size: the number of bytes in the mask
683  * @max: the max number of set bits
684  *
685  * This function determines if there are at most 'max' number of bits set in an
686  * array. Returns true if the number for bits set is <= max or will return false
687  * otherwise.
688  */
689 static bool ice_bits_max_set(const u8 *mask, u16 size, u16 max)
690 {
691 	u16 count = 0;
692 	u16 i;
693 
694 	/* check each byte */
695 	for (i = 0; i < size; i++) {
696 		/* if 0, go to next byte */
697 		if (!mask[i])
698 			continue;
699 
700 		/* We know there is at least one set bit in this byte because of
701 		 * the above check; if we already have found 'max' number of
702 		 * bits set, then we can return failure now.
703 		 */
704 		if (count == max)
705 			return false;
706 
707 		/* count the bits in this byte, checking threshold */
708 		count += ice_hweight8(mask[i]);
709 		if (count > max)
710 			return false;
711 	}
712 
713 	return true;
714 }
715 
716 /**
717  * ice_set_key - generate a variable sized key with multiples of 16-bits
718  * @key: pointer to where the key will be stored
719  * @size: the size of the complete key in bytes (must be even)
720  * @val: array of 8-bit values that makes up the value portion of the key
721  * @upd: array of 8-bit masks that determine what key portion to update
722  * @dc: array of 8-bit masks that make up the don't care mask
723  * @nm: array of 8-bit masks that make up the never match mask
724  * @off: the offset of the first byte in the key to update
725  * @len: the number of bytes in the key update
726  *
727  * This function generates a key from a value, a don't care mask and a never
728  * match mask.
729  * upd, dc, and nm are optional parameters, and can be NULL:
730  *	upd == NULL --> upd mask is all 1's (update all bits)
731  *	dc == NULL --> dc mask is all 0's (no don't care bits)
732  *	nm == NULL --> nm mask is all 0's (no never match bits)
733  */
734 enum ice_status
735 ice_set_key(u8 *key, u16 size, u8 *val, u8 *upd, u8 *dc, u8 *nm, u16 off,
736 	    u16 len)
737 {
738 	u16 half_size;
739 	u16 i;
740 
741 	/* size must be a multiple of 2 bytes. */
742 	if (size % 2)
743 		return ICE_ERR_CFG;
744 	half_size = size / 2;
745 
746 	if (off + len > half_size)
747 		return ICE_ERR_CFG;
748 
749 	/* Make sure at most one bit is set in the never match mask. Having more
750 	 * than one never match mask bit set will cause HW to consume excessive
751 	 * power otherwise; this is a power management efficiency check.
752 	 */
753 #define ICE_NVR_MTCH_BITS_MAX	1
754 	if (nm && !ice_bits_max_set(nm, len, ICE_NVR_MTCH_BITS_MAX))
755 		return ICE_ERR_CFG;
756 
757 	for (i = 0; i < len; i++)
758 		if (ice_gen_key_word(val[i], upd ? upd[i] : 0xff,
759 				     dc ? dc[i] : 0, nm ? nm[i] : 0,
760 				     key + off + i, key + half_size + off + i))
761 			return ICE_ERR_CFG;
762 
763 	return ICE_SUCCESS;
764 }
765 
766 /**
767  * ice_acquire_global_cfg_lock
768  * @hw: pointer to the HW structure
769  * @access: access type (read or write)
770  *
771  * This function will request ownership of the global config lock for reading
772  * or writing of the package. When attempting to obtain write access, the
773  * caller must check for the following two return values:
774  *
775  * ICE_SUCCESS        - Means the caller has acquired the global config lock
776  *                      and can perform writing of the package.
777  * ICE_ERR_AQ_NO_WORK - Indicates another driver has already written the
778  *                      package or has found that no update was necessary; in
779  *                      this case, the caller can just skip performing any
780  *                      update of the package.
781  */
782 static enum ice_status
783 ice_acquire_global_cfg_lock(struct ice_hw *hw,
784 			    enum ice_aq_res_access_type access)
785 {
786 	enum ice_status status;
787 
788 	ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
789 
790 	status = ice_acquire_res(hw, ICE_GLOBAL_CFG_LOCK_RES_ID, access,
791 				 ICE_GLOBAL_CFG_LOCK_TIMEOUT);
792 
793 	if (status == ICE_ERR_AQ_NO_WORK)
794 		ice_debug(hw, ICE_DBG_PKG, "Global config lock: No work to do\n");
795 
796 	return status;
797 }
798 
799 /**
800  * ice_release_global_cfg_lock
801  * @hw: pointer to the HW structure
802  *
803  * This function will release the global config lock.
804  */
805 static void ice_release_global_cfg_lock(struct ice_hw *hw)
806 {
807 	ice_release_res(hw, ICE_GLOBAL_CFG_LOCK_RES_ID);
808 }
809 
810 /**
811  * ice_acquire_change_lock
812  * @hw: pointer to the HW structure
813  * @access: access type (read or write)
814  *
815  * This function will request ownership of the change lock.
816  */
817 enum ice_status
818 ice_acquire_change_lock(struct ice_hw *hw, enum ice_aq_res_access_type access)
819 {
820 	ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
821 
822 	return ice_acquire_res(hw, ICE_CHANGE_LOCK_RES_ID, access,
823 			       ICE_CHANGE_LOCK_TIMEOUT);
824 }
825 
826 /**
827  * ice_release_change_lock
828  * @hw: pointer to the HW structure
829  *
830  * This function will release the change lock using the proper Admin Command.
831  */
832 void ice_release_change_lock(struct ice_hw *hw)
833 {
834 	ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
835 
836 	ice_release_res(hw, ICE_CHANGE_LOCK_RES_ID);
837 }
838 
839 /**
840  * ice_aq_download_pkg
841  * @hw: pointer to the hardware structure
842  * @pkg_buf: the package buffer to transfer
843  * @buf_size: the size of the package buffer
844  * @last_buf: last buffer indicator
845  * @error_offset: returns error offset
846  * @error_info: returns error information
847  * @cd: pointer to command details structure or NULL
848  *
849  * Download Package (0x0C40)
850  */
851 static enum ice_status
852 ice_aq_download_pkg(struct ice_hw *hw, struct ice_buf_hdr *pkg_buf,
853 		    u16 buf_size, bool last_buf, u32 *error_offset,
854 		    u32 *error_info, struct ice_sq_cd *cd)
855 {
856 	struct ice_aqc_download_pkg *cmd;
857 	struct ice_aq_desc desc;
858 	enum ice_status status;
859 
860 	ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
861 
862 	if (error_offset)
863 		*error_offset = 0;
864 	if (error_info)
865 		*error_info = 0;
866 
867 	cmd = &desc.params.download_pkg;
868 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_download_pkg);
869 	desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
870 
871 	if (last_buf)
872 		cmd->flags |= ICE_AQC_DOWNLOAD_PKG_LAST_BUF;
873 
874 	status = ice_aq_send_cmd(hw, &desc, pkg_buf, buf_size, cd);
875 	if (status == ICE_ERR_AQ_ERROR) {
876 		/* Read error from buffer only when the FW returned an error */
877 		struct ice_aqc_download_pkg_resp *resp;
878 
879 		resp = (struct ice_aqc_download_pkg_resp *)pkg_buf;
880 		if (error_offset)
881 			*error_offset = LE32_TO_CPU(resp->error_offset);
882 		if (error_info)
883 			*error_info = LE32_TO_CPU(resp->error_info);
884 	}
885 
886 	return status;
887 }
888 
889 /**
890  * ice_aq_upload_section
891  * @hw: pointer to the hardware structure
892  * @pkg_buf: the package buffer which will receive the section
893  * @buf_size: the size of the package buffer
894  * @cd: pointer to command details structure or NULL
895  *
896  * Upload Section (0x0C41)
897  */
898 enum ice_status
899 ice_aq_upload_section(struct ice_hw *hw, struct ice_buf_hdr *pkg_buf,
900 		      u16 buf_size, struct ice_sq_cd *cd)
901 {
902 	struct ice_aq_desc desc;
903 
904 	ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
905 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_upload_section);
906 	desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
907 
908 	return ice_aq_send_cmd(hw, &desc, pkg_buf, buf_size, cd);
909 }
910 
911 /**
912  * ice_aq_update_pkg
913  * @hw: pointer to the hardware structure
914  * @pkg_buf: the package cmd buffer
915  * @buf_size: the size of the package cmd buffer
916  * @last_buf: last buffer indicator
917  * @error_offset: returns error offset
918  * @error_info: returns error information
919  * @cd: pointer to command details structure or NULL
920  *
921  * Update Package (0x0C42)
922  */
923 static enum ice_status
924 ice_aq_update_pkg(struct ice_hw *hw, struct ice_buf_hdr *pkg_buf, u16 buf_size,
925 		  bool last_buf, u32 *error_offset, u32 *error_info,
926 		  struct ice_sq_cd *cd)
927 {
928 	struct ice_aqc_download_pkg *cmd;
929 	struct ice_aq_desc desc;
930 	enum ice_status status;
931 
932 	ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
933 
934 	if (error_offset)
935 		*error_offset = 0;
936 	if (error_info)
937 		*error_info = 0;
938 
939 	cmd = &desc.params.download_pkg;
940 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_update_pkg);
941 	desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
942 
943 	if (last_buf)
944 		cmd->flags |= ICE_AQC_DOWNLOAD_PKG_LAST_BUF;
945 
946 	status = ice_aq_send_cmd(hw, &desc, pkg_buf, buf_size, cd);
947 	if (status == ICE_ERR_AQ_ERROR) {
948 		/* Read error from buffer only when the FW returned an error */
949 		struct ice_aqc_download_pkg_resp *resp;
950 
951 		resp = (struct ice_aqc_download_pkg_resp *)pkg_buf;
952 		if (error_offset)
953 			*error_offset = LE32_TO_CPU(resp->error_offset);
954 		if (error_info)
955 			*error_info = LE32_TO_CPU(resp->error_info);
956 	}
957 
958 	return status;
959 }
960 
961 /**
962  * ice_find_seg_in_pkg
963  * @hw: pointer to the hardware structure
964  * @seg_type: the segment type to search for (i.e., SEGMENT_TYPE_CPK)
965  * @pkg_hdr: pointer to the package header to be searched
966  *
967  * This function searches a package file for a particular segment type. On
968  * success it returns a pointer to the segment header, otherwise it will
969  * return NULL.
970  */
971 static struct ice_generic_seg_hdr *
972 ice_find_seg_in_pkg(struct ice_hw *hw, u32 seg_type,
973 		    struct ice_pkg_hdr *pkg_hdr)
974 {
975 	u32 i;
976 
977 	ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
978 	ice_debug(hw, ICE_DBG_PKG, "Package format version: %d.%d.%d.%d\n",
979 		  pkg_hdr->pkg_format_ver.major, pkg_hdr->pkg_format_ver.minor,
980 		  pkg_hdr->pkg_format_ver.update,
981 		  pkg_hdr->pkg_format_ver.draft);
982 
983 	/* Search all package segments for the requested segment type */
984 	for (i = 0; i < LE32_TO_CPU(pkg_hdr->seg_count); i++) {
985 		struct ice_generic_seg_hdr *seg;
986 
987 		seg = (struct ice_generic_seg_hdr *)
988 			((u8 *)pkg_hdr + LE32_TO_CPU(pkg_hdr->seg_offset[i]));
989 
990 		if (LE32_TO_CPU(seg->seg_type) == seg_type)
991 			return seg;
992 	}
993 
994 	return NULL;
995 }
996 
997 /**
998  * ice_update_pkg
999  * @hw: pointer to the hardware structure
1000  * @bufs: pointer to an array of buffers
1001  * @count: the number of buffers in the array
1002  *
1003  * Obtains change lock and updates package.
1004  */
1005 enum ice_status
1006 ice_update_pkg(struct ice_hw *hw, struct ice_buf *bufs, u32 count)
1007 {
1008 	enum ice_status status;
1009 	u32 offset, info, i;
1010 
1011 	status = ice_acquire_change_lock(hw, ICE_RES_WRITE);
1012 	if (status)
1013 		return status;
1014 
1015 	for (i = 0; i < count; i++) {
1016 		struct ice_buf_hdr *bh = (struct ice_buf_hdr *)(bufs + i);
1017 		bool last = ((i + 1) == count);
1018 
1019 		status = ice_aq_update_pkg(hw, bh, LE16_TO_CPU(bh->data_end),
1020 					   last, &offset, &info, NULL);
1021 
1022 		if (status) {
1023 			ice_debug(hw, ICE_DBG_PKG, "Update pkg failed: err %d off %d inf %d\n",
1024 				  status, offset, info);
1025 			break;
1026 		}
1027 	}
1028 
1029 	ice_release_change_lock(hw);
1030 
1031 	return status;
1032 }
1033 
1034 /**
1035  * ice_dwnld_cfg_bufs
1036  * @hw: pointer to the hardware structure
1037  * @bufs: pointer to an array of buffers
1038  * @count: the number of buffers in the array
1039  *
1040  * Obtains global config lock and downloads the package configuration buffers
1041  * to the firmware. Metadata buffers are skipped, and the first metadata buffer
1042  * found indicates that the rest of the buffers are all metadata buffers.
1043  */
1044 static enum ice_status
1045 ice_dwnld_cfg_bufs(struct ice_hw *hw, struct ice_buf *bufs, u32 count)
1046 {
1047 	enum ice_status status;
1048 	struct ice_buf_hdr *bh;
1049 	u32 offset, info, i;
1050 
1051 	if (!bufs || !count)
1052 		return ICE_ERR_PARAM;
1053 
1054 	/* If the first buffer's first section has its metadata bit set
1055 	 * then there are no buffers to be downloaded, and the operation is
1056 	 * considered a success.
1057 	 */
1058 	bh = (struct ice_buf_hdr *)bufs;
1059 	if (LE32_TO_CPU(bh->section_entry[0].type) & ICE_METADATA_BUF)
1060 		return ICE_SUCCESS;
1061 
1062 	/* reset pkg_dwnld_status in case this function is called in the
1063 	 * reset/rebuild flow
1064 	 */
1065 	hw->pkg_dwnld_status = ICE_AQ_RC_OK;
1066 
1067 	status = ice_acquire_global_cfg_lock(hw, ICE_RES_WRITE);
1068 	if (status) {
1069 		if (status == ICE_ERR_AQ_NO_WORK)
1070 			hw->pkg_dwnld_status = ICE_AQ_RC_EEXIST;
1071 		else
1072 			hw->pkg_dwnld_status = hw->adminq.sq_last_status;
1073 		return status;
1074 	}
1075 
1076 	for (i = 0; i < count; i++) {
1077 		bool last = ((i + 1) == count);
1078 
1079 		if (!last) {
1080 			/* check next buffer for metadata flag */
1081 			bh = (struct ice_buf_hdr *)(bufs + i + 1);
1082 
1083 			/* A set metadata flag in the next buffer will signal
1084 			 * that the current buffer will be the last buffer
1085 			 * downloaded
1086 			 */
1087 			if (LE16_TO_CPU(bh->section_count))
1088 				if (LE32_TO_CPU(bh->section_entry[0].type) &
1089 				    ICE_METADATA_BUF)
1090 					last = true;
1091 		}
1092 
1093 		bh = (struct ice_buf_hdr *)(bufs + i);
1094 
1095 		status = ice_aq_download_pkg(hw, bh, ICE_PKG_BUF_SIZE, last,
1096 					     &offset, &info, NULL);
1097 
1098 		/* Save AQ status from download package */
1099 		hw->pkg_dwnld_status = hw->adminq.sq_last_status;
1100 		if (status) {
1101 			ice_debug(hw, ICE_DBG_PKG, "Pkg download failed: err %d off %d inf %d\n",
1102 				  status, offset, info);
1103 			break;
1104 		}
1105 
1106 		if (last)
1107 			break;
1108 	}
1109 
1110 	if (!status) {
1111 		status = ice_set_vlan_mode(hw);
1112 		if (status)
1113 			ice_debug(hw, ICE_DBG_PKG, "Failed to set VLAN mode: err %d\n",
1114 				  status);
1115 	}
1116 
1117 	ice_release_global_cfg_lock(hw);
1118 
1119 	return status;
1120 }
1121 
1122 /**
1123  * ice_aq_get_pkg_info_list
1124  * @hw: pointer to the hardware structure
1125  * @pkg_info: the buffer which will receive the information list
1126  * @buf_size: the size of the pkg_info information buffer
1127  * @cd: pointer to command details structure or NULL
1128  *
1129  * Get Package Info List (0x0C43)
1130  */
1131 static enum ice_status
1132 ice_aq_get_pkg_info_list(struct ice_hw *hw,
1133 			 struct ice_aqc_get_pkg_info_resp *pkg_info,
1134 			 u16 buf_size, struct ice_sq_cd *cd)
1135 {
1136 	struct ice_aq_desc desc;
1137 
1138 	ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
1139 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_pkg_info_list);
1140 
1141 	return ice_aq_send_cmd(hw, &desc, pkg_info, buf_size, cd);
1142 }
1143 
1144 /**
1145  * ice_download_pkg
1146  * @hw: pointer to the hardware structure
1147  * @ice_seg: pointer to the segment of the package to be downloaded
1148  *
1149  * Handles the download of a complete package.
1150  */
1151 static enum ice_status
1152 ice_download_pkg(struct ice_hw *hw, struct ice_seg *ice_seg)
1153 {
1154 	struct ice_buf_table *ice_buf_tbl;
1155 
1156 	ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
1157 	ice_debug(hw, ICE_DBG_PKG, "Segment format version: %d.%d.%d.%d\n",
1158 		  ice_seg->hdr.seg_format_ver.major,
1159 		  ice_seg->hdr.seg_format_ver.minor,
1160 		  ice_seg->hdr.seg_format_ver.update,
1161 		  ice_seg->hdr.seg_format_ver.draft);
1162 
1163 	ice_debug(hw, ICE_DBG_PKG, "Seg: type 0x%X, size %d, name %s\n",
1164 		  LE32_TO_CPU(ice_seg->hdr.seg_type),
1165 		  LE32_TO_CPU(ice_seg->hdr.seg_size), ice_seg->hdr.seg_id);
1166 
1167 	ice_buf_tbl = ice_find_buf_table(ice_seg);
1168 
1169 	ice_debug(hw, ICE_DBG_PKG, "Seg buf count: %d\n",
1170 		  LE32_TO_CPU(ice_buf_tbl->buf_count));
1171 
1172 	return ice_dwnld_cfg_bufs(hw, ice_buf_tbl->buf_array,
1173 				  LE32_TO_CPU(ice_buf_tbl->buf_count));
1174 }
1175 
1176 /**
1177  * ice_init_pkg_info
1178  * @hw: pointer to the hardware structure
1179  * @pkg_hdr: pointer to the driver's package hdr
1180  *
1181  * Saves off the package details into the HW structure.
1182  */
1183 static enum ice_status
1184 ice_init_pkg_info(struct ice_hw *hw, struct ice_pkg_hdr *pkg_hdr)
1185 {
1186 	struct ice_generic_seg_hdr *seg_hdr;
1187 
1188 	ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
1189 	if (!pkg_hdr)
1190 		return ICE_ERR_PARAM;
1191 
1192 	seg_hdr = (struct ice_generic_seg_hdr *)
1193 		ice_find_seg_in_pkg(hw, SEGMENT_TYPE_ICE, pkg_hdr);
1194 	if (seg_hdr) {
1195 		struct ice_meta_sect *meta;
1196 		struct ice_pkg_enum state;
1197 
1198 		ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM);
1199 
1200 		/* Get package information from the Metadata Section */
1201 		meta = (struct ice_meta_sect *)
1202 			ice_pkg_enum_section((struct ice_seg *)seg_hdr, &state,
1203 					     ICE_SID_METADATA);
1204 		if (!meta) {
1205 			ice_debug(hw, ICE_DBG_INIT, "Did not find ice metadata section in package\n");
1206 			return ICE_ERR_CFG;
1207 		}
1208 
1209 		hw->pkg_ver = meta->ver;
1210 		ice_memcpy(hw->pkg_name, meta->name, sizeof(meta->name),
1211 			   ICE_NONDMA_TO_NONDMA);
1212 
1213 		ice_debug(hw, ICE_DBG_PKG, "Pkg: %d.%d.%d.%d, %s\n",
1214 			  meta->ver.major, meta->ver.minor, meta->ver.update,
1215 			  meta->ver.draft, meta->name);
1216 
1217 		hw->ice_seg_fmt_ver = seg_hdr->seg_format_ver;
1218 		ice_memcpy(hw->ice_seg_id, seg_hdr->seg_id,
1219 			   sizeof(hw->ice_seg_id), ICE_NONDMA_TO_NONDMA);
1220 
1221 		ice_debug(hw, ICE_DBG_PKG, "Ice Seg: %d.%d.%d.%d, %s\n",
1222 			  seg_hdr->seg_format_ver.major,
1223 			  seg_hdr->seg_format_ver.minor,
1224 			  seg_hdr->seg_format_ver.update,
1225 			  seg_hdr->seg_format_ver.draft,
1226 			  seg_hdr->seg_id);
1227 	} else {
1228 		ice_debug(hw, ICE_DBG_INIT, "Did not find ice segment in driver package\n");
1229 		return ICE_ERR_CFG;
1230 	}
1231 
1232 	return ICE_SUCCESS;
1233 }
1234 
1235 /**
1236  * ice_get_pkg_info
1237  * @hw: pointer to the hardware structure
1238  *
1239  * Store details of the package currently loaded in HW into the HW structure.
1240  */
1241 static enum ice_status ice_get_pkg_info(struct ice_hw *hw)
1242 {
1243 	struct ice_aqc_get_pkg_info_resp *pkg_info;
1244 	enum ice_status status;
1245 	u16 size;
1246 	u32 i;
1247 
1248 	ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
1249 
1250 	size = ice_struct_size(pkg_info, pkg_info, ICE_PKG_CNT);
1251 	pkg_info = (struct ice_aqc_get_pkg_info_resp *)ice_malloc(hw, size);
1252 	if (!pkg_info)
1253 		return ICE_ERR_NO_MEMORY;
1254 
1255 	status = ice_aq_get_pkg_info_list(hw, pkg_info, size, NULL);
1256 	if (status)
1257 		goto init_pkg_free_alloc;
1258 
1259 	for (i = 0; i < LE32_TO_CPU(pkg_info->count); i++) {
1260 #define ICE_PKG_FLAG_COUNT	4
1261 		char flags[ICE_PKG_FLAG_COUNT + 1] = { 0 };
1262 		u8 place = 0;
1263 
1264 		if (pkg_info->pkg_info[i].is_active) {
1265 			flags[place++] = 'A';
1266 			hw->active_pkg_ver = pkg_info->pkg_info[i].ver;
1267 			hw->active_track_id =
1268 				LE32_TO_CPU(pkg_info->pkg_info[i].track_id);
1269 			ice_memcpy(hw->active_pkg_name,
1270 				   pkg_info->pkg_info[i].name,
1271 				   sizeof(pkg_info->pkg_info[i].name),
1272 				   ICE_NONDMA_TO_NONDMA);
1273 			hw->active_pkg_in_nvm = pkg_info->pkg_info[i].is_in_nvm;
1274 		}
1275 		if (pkg_info->pkg_info[i].is_active_at_boot)
1276 			flags[place++] = 'B';
1277 		if (pkg_info->pkg_info[i].is_modified)
1278 			flags[place++] = 'M';
1279 		if (pkg_info->pkg_info[i].is_in_nvm)
1280 			flags[place++] = 'N';
1281 
1282 		ice_debug(hw, ICE_DBG_PKG, "Pkg[%d]: %d.%d.%d.%d,%s,%s\n",
1283 			  i, pkg_info->pkg_info[i].ver.major,
1284 			  pkg_info->pkg_info[i].ver.minor,
1285 			  pkg_info->pkg_info[i].ver.update,
1286 			  pkg_info->pkg_info[i].ver.draft,
1287 			  pkg_info->pkg_info[i].name, flags);
1288 	}
1289 
1290 init_pkg_free_alloc:
1291 	ice_free(hw, pkg_info);
1292 
1293 	return status;
1294 }
1295 
1296 /**
1297  * ice_verify_pkg - verify package
1298  * @pkg: pointer to the package buffer
1299  * @len: size of the package buffer
1300  *
1301  * Verifies various attributes of the package file, including length, format
1302  * version, and the requirement of at least one segment.
1303  */
1304 static enum ice_status ice_verify_pkg(struct ice_pkg_hdr *pkg, u32 len)
1305 {
1306 	u32 seg_count;
1307 	u32 i;
1308 
1309 	if (len < ice_struct_size(pkg, seg_offset, 1))
1310 		return ICE_ERR_BUF_TOO_SHORT;
1311 
1312 	if (pkg->pkg_format_ver.major != ICE_PKG_FMT_VER_MAJ ||
1313 	    pkg->pkg_format_ver.minor != ICE_PKG_FMT_VER_MNR ||
1314 	    pkg->pkg_format_ver.update != ICE_PKG_FMT_VER_UPD ||
1315 	    pkg->pkg_format_ver.draft != ICE_PKG_FMT_VER_DFT)
1316 		return ICE_ERR_CFG;
1317 
1318 	/* pkg must have at least one segment */
1319 	seg_count = LE32_TO_CPU(pkg->seg_count);
1320 	if (seg_count < 1)
1321 		return ICE_ERR_CFG;
1322 
1323 	/* make sure segment array fits in package length */
1324 	if (len < ice_struct_size(pkg, seg_offset, seg_count))
1325 		return ICE_ERR_BUF_TOO_SHORT;
1326 
1327 	/* all segments must fit within length */
1328 	for (i = 0; i < seg_count; i++) {
1329 		u32 off = LE32_TO_CPU(pkg->seg_offset[i]);
1330 		struct ice_generic_seg_hdr *seg;
1331 
1332 		/* segment header must fit */
1333 		if (len < off + sizeof(*seg))
1334 			return ICE_ERR_BUF_TOO_SHORT;
1335 
1336 		seg = (struct ice_generic_seg_hdr *)((u8 *)pkg + off);
1337 
1338 		/* segment body must fit */
1339 		if (len < off + LE32_TO_CPU(seg->seg_size))
1340 			return ICE_ERR_BUF_TOO_SHORT;
1341 	}
1342 
1343 	return ICE_SUCCESS;
1344 }
1345 
1346 /**
1347  * ice_free_seg - free package segment pointer
1348  * @hw: pointer to the hardware structure
1349  *
1350  * Frees the package segment pointer in the proper manner, depending on if the
1351  * segment was allocated or just the passed in pointer was stored.
1352  */
1353 void ice_free_seg(struct ice_hw *hw)
1354 {
1355 	if (hw->pkg_copy) {
1356 		ice_free(hw, hw->pkg_copy);
1357 		hw->pkg_copy = NULL;
1358 		hw->pkg_size = 0;
1359 	}
1360 	hw->seg = NULL;
1361 }
1362 
1363 /**
1364  * ice_init_pkg_regs - initialize additional package registers
1365  * @hw: pointer to the hardware structure
1366  */
1367 static void ice_init_pkg_regs(struct ice_hw *hw)
1368 {
1369 #define ICE_SW_BLK_INP_MASK_L 0xFFFFFFFF
1370 #define ICE_SW_BLK_INP_MASK_H 0x0000FFFF
1371 #define ICE_SW_BLK_IDX	0
1372 	if (hw->dcf_enabled)
1373 		return;
1374 
1375 	/* setup Switch block input mask, which is 48-bits in two parts */
1376 	wr32(hw, GL_PREEXT_L2_PMASK0(ICE_SW_BLK_IDX), ICE_SW_BLK_INP_MASK_L);
1377 	wr32(hw, GL_PREEXT_L2_PMASK1(ICE_SW_BLK_IDX), ICE_SW_BLK_INP_MASK_H);
1378 }
1379 
1380 /**
1381  * ice_chk_pkg_version - check package version for compatibility with driver
1382  * @pkg_ver: pointer to a version structure to check
1383  *
1384  * Check to make sure that the package about to be downloaded is compatible with
1385  * the driver. To be compatible, the major and minor components of the package
1386  * version must match our ICE_PKG_SUPP_VER_MAJ and ICE_PKG_SUPP_VER_MNR
1387  * definitions.
1388  */
1389 static enum ice_status ice_chk_pkg_version(struct ice_pkg_ver *pkg_ver)
1390 {
1391 	if (pkg_ver->major != ICE_PKG_SUPP_VER_MAJ ||
1392 	    pkg_ver->minor != ICE_PKG_SUPP_VER_MNR)
1393 		return ICE_ERR_NOT_SUPPORTED;
1394 
1395 	return ICE_SUCCESS;
1396 }
1397 
1398 /**
1399  * ice_chk_pkg_compat
1400  * @hw: pointer to the hardware structure
1401  * @ospkg: pointer to the package hdr
1402  * @seg: pointer to the package segment hdr
1403  *
1404  * This function checks the package version compatibility with driver and NVM
1405  */
1406 static enum ice_status
1407 ice_chk_pkg_compat(struct ice_hw *hw, struct ice_pkg_hdr *ospkg,
1408 		   struct ice_seg **seg)
1409 {
1410 	struct ice_aqc_get_pkg_info_resp *pkg;
1411 	enum ice_status status;
1412 	u16 size;
1413 	u32 i;
1414 
1415 	ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
1416 
1417 	/* Check package version compatibility */
1418 	status = ice_chk_pkg_version(&hw->pkg_ver);
1419 	if (status) {
1420 		ice_debug(hw, ICE_DBG_INIT, "Package version check failed.\n");
1421 		return status;
1422 	}
1423 
1424 	/* find ICE segment in given package */
1425 	*seg = (struct ice_seg *)ice_find_seg_in_pkg(hw, SEGMENT_TYPE_ICE,
1426 						     ospkg);
1427 	if (!*seg) {
1428 		ice_debug(hw, ICE_DBG_INIT, "no ice segment in package.\n");
1429 		return ICE_ERR_CFG;
1430 	}
1431 
1432 	/* Check if FW is compatible with the OS package */
1433 	size = ice_struct_size(pkg, pkg_info, ICE_PKG_CNT);
1434 	pkg = (struct ice_aqc_get_pkg_info_resp *)ice_malloc(hw, size);
1435 	if (!pkg)
1436 		return ICE_ERR_NO_MEMORY;
1437 
1438 	status = ice_aq_get_pkg_info_list(hw, pkg, size, NULL);
1439 	if (status)
1440 		goto fw_ddp_compat_free_alloc;
1441 
1442 	for (i = 0; i < LE32_TO_CPU(pkg->count); i++) {
1443 		/* loop till we find the NVM package */
1444 		if (!pkg->pkg_info[i].is_in_nvm)
1445 			continue;
1446 		if ((*seg)->hdr.seg_format_ver.major !=
1447 			pkg->pkg_info[i].ver.major ||
1448 		    (*seg)->hdr.seg_format_ver.minor >
1449 			pkg->pkg_info[i].ver.minor) {
1450 			status = ICE_ERR_FW_DDP_MISMATCH;
1451 			ice_debug(hw, ICE_DBG_INIT, "OS package is not compatible with NVM.\n");
1452 		}
1453 		/* done processing NVM package so break */
1454 		break;
1455 	}
1456 fw_ddp_compat_free_alloc:
1457 	ice_free(hw, pkg);
1458 	return status;
1459 }
1460 
1461 /**
1462  * ice_sw_fv_handler
1463  * @sect_type: section type
1464  * @section: pointer to section
1465  * @index: index of the field vector entry to be returned
1466  * @offset: ptr to variable that receives the offset in the field vector table
1467  *
1468  * This is a callback function that can be passed to ice_pkg_enum_entry.
1469  * This function treats the given section as of type ice_sw_fv_section and
1470  * enumerates offset field. "offset" is an index into the field vector table.
1471  */
1472 static void *
1473 ice_sw_fv_handler(u32 sect_type, void *section, u32 index, u32 *offset)
1474 {
1475 	struct ice_sw_fv_section *fv_section =
1476 		(struct ice_sw_fv_section *)section;
1477 
1478 	if (!section || sect_type != ICE_SID_FLD_VEC_SW)
1479 		return NULL;
1480 	if (index >= LE16_TO_CPU(fv_section->count))
1481 		return NULL;
1482 	if (offset)
1483 		/* "index" passed in to this function is relative to a given
1484 		 * 4k block. To get to the true index into the field vector
1485 		 * table need to add the relative index to the base_offset
1486 		 * field of this section
1487 		 */
1488 		*offset = LE16_TO_CPU(fv_section->base_offset) + index;
1489 	return fv_section->fv + index;
1490 }
1491 
1492 /**
1493  * ice_get_prof_index_max - get the max profile index for used profile
1494  * @hw: pointer to the HW struct
1495  *
1496  * Calling this function will get the max profile index for used profile
1497  * and store the index number in struct ice_switch_info *switch_info
1498  * in hw for following use.
1499  */
1500 static int ice_get_prof_index_max(struct ice_hw *hw)
1501 {
1502 	u16 prof_index = 0, j, max_prof_index = 0;
1503 	struct ice_pkg_enum state;
1504 	struct ice_seg *ice_seg;
1505 	bool flag = false;
1506 	struct ice_fv *fv;
1507 	u32 offset;
1508 
1509 	ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM);
1510 
1511 	if (!hw->seg)
1512 		return ICE_ERR_PARAM;
1513 
1514 	ice_seg = hw->seg;
1515 
1516 	do {
1517 		fv = (struct ice_fv *)
1518 			ice_pkg_enum_entry(ice_seg, &state, ICE_SID_FLD_VEC_SW,
1519 					   &offset, ice_sw_fv_handler);
1520 		if (!fv)
1521 			break;
1522 		ice_seg = NULL;
1523 
1524 		/* in the profile that not be used, the prot_id is set to 0xff
1525 		 * and the off is set to 0x1ff for all the field vectors.
1526 		 */
1527 		for (j = 0; j < hw->blk[ICE_BLK_SW].es.fvw; j++)
1528 			if (fv->ew[j].prot_id != ICE_PROT_INVALID ||
1529 			    fv->ew[j].off != ICE_FV_OFFSET_INVAL)
1530 				flag = true;
1531 		if (flag && prof_index > max_prof_index)
1532 			max_prof_index = prof_index;
1533 
1534 		prof_index++;
1535 		flag = false;
1536 	} while (fv);
1537 
1538 	hw->switch_info->max_used_prof_index = max_prof_index;
1539 
1540 	return ICE_SUCCESS;
1541 }
1542 
1543 /**
1544  * ice_init_pkg - initialize/download package
1545  * @hw: pointer to the hardware structure
1546  * @buf: pointer to the package buffer
1547  * @len: size of the package buffer
1548  *
1549  * This function initializes a package. The package contains HW tables
1550  * required to do packet processing. First, the function extracts package
1551  * information such as version. Then it finds the ice configuration segment
1552  * within the package; this function then saves a copy of the segment pointer
1553  * within the supplied package buffer. Next, the function will cache any hints
1554  * from the package, followed by downloading the package itself. Note, that if
1555  * a previous PF driver has already downloaded the package successfully, then
1556  * the current driver will not have to download the package again.
1557  *
1558  * The local package contents will be used to query default behavior and to
1559  * update specific sections of the HW's version of the package (e.g. to update
1560  * the parse graph to understand new protocols).
1561  *
1562  * This function stores a pointer to the package buffer memory, and it is
1563  * expected that the supplied buffer will not be freed immediately. If the
1564  * package buffer needs to be freed, such as when read from a file, use
1565  * ice_copy_and_init_pkg() instead of directly calling ice_init_pkg() in this
1566  * case.
1567  */
1568 enum ice_status ice_init_pkg(struct ice_hw *hw, u8 *buf, u32 len)
1569 {
1570 	struct ice_pkg_hdr *pkg;
1571 	enum ice_status status;
1572 	struct ice_seg *seg;
1573 
1574 	if (!buf || !len)
1575 		return ICE_ERR_PARAM;
1576 
1577 	pkg = (struct ice_pkg_hdr *)buf;
1578 	status = ice_verify_pkg(pkg, len);
1579 	if (status) {
1580 		ice_debug(hw, ICE_DBG_INIT, "failed to verify pkg (err: %d)\n",
1581 			  status);
1582 		return status;
1583 	}
1584 
1585 	/* initialize package info */
1586 	status = ice_init_pkg_info(hw, pkg);
1587 	if (status)
1588 		return status;
1589 
1590 	/* before downloading the package, check package version for
1591 	 * compatibility with driver
1592 	 */
1593 	status = ice_chk_pkg_compat(hw, pkg, &seg);
1594 	if (status)
1595 		return status;
1596 
1597 	/* initialize package hints and then download package */
1598 	ice_init_pkg_hints(hw, seg);
1599 	status = ice_download_pkg(hw, seg);
1600 	if (status == ICE_ERR_AQ_NO_WORK) {
1601 		ice_debug(hw, ICE_DBG_INIT, "package previously loaded - no work.\n");
1602 		status = ICE_SUCCESS;
1603 	}
1604 
1605 	/* Get information on the package currently loaded in HW, then make sure
1606 	 * the driver is compatible with this version.
1607 	 */
1608 	if (!status) {
1609 		status = ice_get_pkg_info(hw);
1610 		if (!status)
1611 			status = ice_chk_pkg_version(&hw->active_pkg_ver);
1612 	}
1613 
1614 	if (!status) {
1615 		hw->seg = seg;
1616 		/* on successful package download update other required
1617 		 * registers to support the package and fill HW tables
1618 		 * with package content.
1619 		 */
1620 		ice_init_pkg_regs(hw);
1621 		ice_fill_blk_tbls(hw);
1622 		ice_fill_hw_ptype(hw);
1623 		ice_get_prof_index_max(hw);
1624 	} else {
1625 		ice_debug(hw, ICE_DBG_INIT, "package load failed, %d\n",
1626 			  status);
1627 	}
1628 
1629 	return status;
1630 }
1631 
1632 /**
1633  * ice_copy_and_init_pkg - initialize/download a copy of the package
1634  * @hw: pointer to the hardware structure
1635  * @buf: pointer to the package buffer
1636  * @len: size of the package buffer
1637  *
1638  * This function copies the package buffer, and then calls ice_init_pkg() to
1639  * initialize the copied package contents.
1640  *
1641  * The copying is necessary if the package buffer supplied is constant, or if
1642  * the memory may disappear shortly after calling this function.
1643  *
1644  * If the package buffer resides in the data segment and can be modified, the
1645  * caller is free to use ice_init_pkg() instead of ice_copy_and_init_pkg().
1646  *
1647  * However, if the package buffer needs to be copied first, such as when being
1648  * read from a file, the caller should use ice_copy_and_init_pkg().
1649  *
1650  * This function will first copy the package buffer, before calling
1651  * ice_init_pkg(). The caller is free to immediately destroy the original
1652  * package buffer, as the new copy will be managed by this function and
1653  * related routines.
1654  */
1655 enum ice_status ice_copy_and_init_pkg(struct ice_hw *hw, const u8 *buf, u32 len)
1656 {
1657 	enum ice_status status;
1658 	u8 *buf_copy;
1659 
1660 	if (!buf || !len)
1661 		return ICE_ERR_PARAM;
1662 
1663 	buf_copy = (u8 *)ice_memdup(hw, buf, len, ICE_NONDMA_TO_NONDMA);
1664 
1665 	status = ice_init_pkg(hw, buf_copy, len);
1666 	if (status) {
1667 		/* Free the copy, since we failed to initialize the package */
1668 		ice_free(hw, buf_copy);
1669 	} else {
1670 		/* Track the copied pkg so we can free it later */
1671 		hw->pkg_copy = buf_copy;
1672 		hw->pkg_size = len;
1673 	}
1674 
1675 	return status;
1676 }
1677 
1678 /**
1679  * ice_pkg_buf_alloc
1680  * @hw: pointer to the HW structure
1681  *
1682  * Allocates a package buffer and returns a pointer to the buffer header.
1683  * Note: all package contents must be in Little Endian form.
1684  */
1685 static struct ice_buf_build *ice_pkg_buf_alloc(struct ice_hw *hw)
1686 {
1687 	struct ice_buf_build *bld;
1688 	struct ice_buf_hdr *buf;
1689 
1690 	bld = (struct ice_buf_build *)ice_malloc(hw, sizeof(*bld));
1691 	if (!bld)
1692 		return NULL;
1693 
1694 	buf = (struct ice_buf_hdr *)bld;
1695 	buf->data_end = CPU_TO_LE16(offsetof(struct ice_buf_hdr,
1696 					     section_entry));
1697 	return bld;
1698 }
1699 
1700 /**
1701  * ice_get_sw_prof_type - determine switch profile type
1702  * @hw: pointer to the HW structure
1703  * @fv: pointer to the switch field vector
1704  */
1705 static enum ice_prof_type
1706 ice_get_sw_prof_type(struct ice_hw *hw, struct ice_fv *fv)
1707 {
1708 	u16 i;
1709 
1710 	for (i = 0; i < hw->blk[ICE_BLK_SW].es.fvw; i++) {
1711 		/* UDP tunnel will have UDP_OF protocol ID and VNI offset */
1712 		if (fv->ew[i].prot_id == (u8)ICE_PROT_UDP_OF &&
1713 		    fv->ew[i].off == ICE_VNI_OFFSET)
1714 			return ICE_PROF_TUN_UDP;
1715 
1716 		/* GRE tunnel will have GRE protocol */
1717 		if (fv->ew[i].prot_id == (u8)ICE_PROT_GRE_OF)
1718 			return ICE_PROF_TUN_GRE;
1719 
1720 		/* PPPOE tunnel will have PPPOE protocol */
1721 		if (fv->ew[i].prot_id == (u8)ICE_PROT_PPPOE)
1722 			return ICE_PROF_TUN_PPPOE;
1723 	}
1724 
1725 	return ICE_PROF_NON_TUN;
1726 }
1727 
1728 /**
1729  * ice_get_sw_fv_bitmap - Get switch field vector bitmap based on profile type
1730  * @hw: pointer to hardware structure
1731  * @req_profs: type of profiles requested
1732  * @bm: pointer to memory for returning the bitmap of field vectors
1733  */
1734 void
1735 ice_get_sw_fv_bitmap(struct ice_hw *hw, enum ice_prof_type req_profs,
1736 		     ice_bitmap_t *bm)
1737 {
1738 	struct ice_pkg_enum state;
1739 	struct ice_seg *ice_seg;
1740 	struct ice_fv *fv;
1741 
1742 	if (req_profs == ICE_PROF_ALL) {
1743 		ice_bitmap_set(bm, 0, ICE_MAX_NUM_PROFILES);
1744 		return;
1745 	}
1746 
1747 	ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM);
1748 	ice_zero_bitmap(bm, ICE_MAX_NUM_PROFILES);
1749 	ice_seg = hw->seg;
1750 	do {
1751 		enum ice_prof_type prof_type;
1752 		u32 offset;
1753 
1754 		fv = (struct ice_fv *)
1755 			ice_pkg_enum_entry(ice_seg, &state, ICE_SID_FLD_VEC_SW,
1756 					   &offset, ice_sw_fv_handler);
1757 		ice_seg = NULL;
1758 
1759 		if (fv) {
1760 			/* Determine field vector type */
1761 			prof_type = ice_get_sw_prof_type(hw, fv);
1762 
1763 			if (req_profs & prof_type)
1764 				ice_set_bit((u16)offset, bm);
1765 		}
1766 	} while (fv);
1767 }
1768 
1769 /**
1770  * ice_get_sw_fv_list
1771  * @hw: pointer to the HW structure
1772  * @prot_ids: field vector to search for with a given protocol ID
1773  * @ids_cnt: lookup/protocol count
1774  * @bm: bitmap of field vectors to consider
1775  * @fv_list: Head of a list
1776  *
1777  * Finds all the field vector entries from switch block that contain
1778  * a given protocol ID and returns a list of structures of type
1779  * "ice_sw_fv_list_entry". Every structure in the list has a field vector
1780  * definition and profile ID information
1781  * NOTE: The caller of the function is responsible for freeing the memory
1782  * allocated for every list entry.
1783  */
1784 enum ice_status
1785 ice_get_sw_fv_list(struct ice_hw *hw, u8 *prot_ids, u16 ids_cnt,
1786 		   ice_bitmap_t *bm, struct LIST_HEAD_TYPE *fv_list)
1787 {
1788 	struct ice_sw_fv_list_entry *fvl;
1789 	struct ice_sw_fv_list_entry *tmp;
1790 	struct ice_pkg_enum state;
1791 	struct ice_seg *ice_seg;
1792 	struct ice_fv *fv;
1793 	u32 offset;
1794 
1795 	ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM);
1796 
1797 	if (!ids_cnt || !hw->seg)
1798 		return ICE_ERR_PARAM;
1799 
1800 	ice_seg = hw->seg;
1801 	do {
1802 		u16 i;
1803 
1804 		fv = (struct ice_fv *)
1805 			ice_pkg_enum_entry(ice_seg, &state, ICE_SID_FLD_VEC_SW,
1806 					   &offset, ice_sw_fv_handler);
1807 		if (!fv)
1808 			break;
1809 		ice_seg = NULL;
1810 
1811 		/* If field vector is not in the bitmap list, then skip this
1812 		 * profile.
1813 		 */
1814 		if (!ice_is_bit_set(bm, (u16)offset))
1815 			continue;
1816 
1817 		for (i = 0; i < ids_cnt; i++) {
1818 			int j;
1819 
1820 			/* This code assumes that if a switch field vector line
1821 			 * has a matching protocol, then this line will contain
1822 			 * the entries necessary to represent every field in
1823 			 * that protocol header.
1824 			 */
1825 			for (j = 0; j < hw->blk[ICE_BLK_SW].es.fvw; j++)
1826 				if (fv->ew[j].prot_id == prot_ids[i])
1827 					break;
1828 			if (j >= hw->blk[ICE_BLK_SW].es.fvw)
1829 				break;
1830 			if (i + 1 == ids_cnt) {
1831 				fvl = (struct ice_sw_fv_list_entry *)
1832 					ice_malloc(hw, sizeof(*fvl));
1833 				if (!fvl)
1834 					goto err;
1835 				fvl->fv_ptr = fv;
1836 				fvl->profile_id = offset;
1837 				LIST_ADD(&fvl->list_entry, fv_list);
1838 				break;
1839 			}
1840 		}
1841 	} while (fv);
1842 	if (LIST_EMPTY(fv_list))
1843 		return ICE_ERR_CFG;
1844 	return ICE_SUCCESS;
1845 
1846 err:
1847 	LIST_FOR_EACH_ENTRY_SAFE(fvl, tmp, fv_list, ice_sw_fv_list_entry,
1848 				 list_entry) {
1849 		LIST_DEL(&fvl->list_entry);
1850 		ice_free(hw, fvl);
1851 	}
1852 
1853 	return ICE_ERR_NO_MEMORY;
1854 }
1855 
1856 /**
1857  * ice_init_prof_result_bm - Initialize the profile result index bitmap
1858  * @hw: pointer to hardware structure
1859  */
1860 void ice_init_prof_result_bm(struct ice_hw *hw)
1861 {
1862 	struct ice_pkg_enum state;
1863 	struct ice_seg *ice_seg;
1864 	struct ice_fv *fv;
1865 
1866 	ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM);
1867 
1868 	if (!hw->seg)
1869 		return;
1870 
1871 	ice_seg = hw->seg;
1872 	do {
1873 		u32 off;
1874 		u16 i;
1875 
1876 		fv = (struct ice_fv *)
1877 			ice_pkg_enum_entry(ice_seg, &state, ICE_SID_FLD_VEC_SW,
1878 					   &off, ice_sw_fv_handler);
1879 		ice_seg = NULL;
1880 		if (!fv)
1881 			break;
1882 
1883 		ice_zero_bitmap(hw->switch_info->prof_res_bm[off],
1884 				ICE_MAX_FV_WORDS);
1885 
1886 		/* Determine empty field vector indices, these can be
1887 		 * used for recipe results. Skip index 0, since it is
1888 		 * always used for Switch ID.
1889 		 */
1890 		for (i = 1; i < ICE_MAX_FV_WORDS; i++)
1891 			if (fv->ew[i].prot_id == ICE_PROT_INVALID &&
1892 			    fv->ew[i].off == ICE_FV_OFFSET_INVAL)
1893 				ice_set_bit(i,
1894 					    hw->switch_info->prof_res_bm[off]);
1895 	} while (fv);
1896 }
1897 
1898 /**
1899  * ice_pkg_buf_free
1900  * @hw: pointer to the HW structure
1901  * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
1902  *
1903  * Frees a package buffer
1904  */
1905 void ice_pkg_buf_free(struct ice_hw *hw, struct ice_buf_build *bld)
1906 {
1907 	ice_free(hw, bld);
1908 }
1909 
1910 /**
1911  * ice_pkg_buf_reserve_section
1912  * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
1913  * @count: the number of sections to reserve
1914  *
1915  * Reserves one or more section table entries in a package buffer. This routine
1916  * can be called multiple times as long as they are made before calling
1917  * ice_pkg_buf_alloc_section(). Once ice_pkg_buf_alloc_section()
1918  * is called once, the number of sections that can be allocated will not be able
1919  * to be increased; not using all reserved sections is fine, but this will
1920  * result in some wasted space in the buffer.
1921  * Note: all package contents must be in Little Endian form.
1922  */
1923 static enum ice_status
1924 ice_pkg_buf_reserve_section(struct ice_buf_build *bld, u16 count)
1925 {
1926 	struct ice_buf_hdr *buf;
1927 	u16 section_count;
1928 	u16 data_end;
1929 
1930 	if (!bld)
1931 		return ICE_ERR_PARAM;
1932 
1933 	buf = (struct ice_buf_hdr *)&bld->buf;
1934 
1935 	/* already an active section, can't increase table size */
1936 	section_count = LE16_TO_CPU(buf->section_count);
1937 	if (section_count > 0)
1938 		return ICE_ERR_CFG;
1939 
1940 	if (bld->reserved_section_table_entries + count > ICE_MAX_S_COUNT)
1941 		return ICE_ERR_CFG;
1942 	bld->reserved_section_table_entries += count;
1943 
1944 	data_end = LE16_TO_CPU(buf->data_end) +
1945 		FLEX_ARRAY_SIZE(buf, section_entry, count);
1946 	buf->data_end = CPU_TO_LE16(data_end);
1947 
1948 	return ICE_SUCCESS;
1949 }
1950 
1951 /**
1952  * ice_pkg_buf_alloc_section
1953  * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
1954  * @type: the section type value
1955  * @size: the size of the section to reserve (in bytes)
1956  *
1957  * Reserves memory in the buffer for a section's content and updates the
1958  * buffers' status accordingly. This routine returns a pointer to the first
1959  * byte of the section start within the buffer, which is used to fill in the
1960  * section contents.
1961  * Note: all package contents must be in Little Endian form.
1962  */
1963 static void *
1964 ice_pkg_buf_alloc_section(struct ice_buf_build *bld, u32 type, u16 size)
1965 {
1966 	struct ice_buf_hdr *buf;
1967 	u16 sect_count;
1968 	u16 data_end;
1969 
1970 	if (!bld || !type || !size)
1971 		return NULL;
1972 
1973 	buf = (struct ice_buf_hdr *)&bld->buf;
1974 
1975 	/* check for enough space left in buffer */
1976 	data_end = LE16_TO_CPU(buf->data_end);
1977 
1978 	/* section start must align on 4 byte boundary */
1979 	data_end = ICE_ALIGN(data_end, 4);
1980 
1981 	if ((data_end + size) > ICE_MAX_S_DATA_END)
1982 		return NULL;
1983 
1984 	/* check for more available section table entries */
1985 	sect_count = LE16_TO_CPU(buf->section_count);
1986 	if (sect_count < bld->reserved_section_table_entries) {
1987 		void *section_ptr = ((u8 *)buf) + data_end;
1988 
1989 		buf->section_entry[sect_count].offset = CPU_TO_LE16(data_end);
1990 		buf->section_entry[sect_count].size = CPU_TO_LE16(size);
1991 		buf->section_entry[sect_count].type = CPU_TO_LE32(type);
1992 
1993 		data_end += size;
1994 		buf->data_end = CPU_TO_LE16(data_end);
1995 
1996 		buf->section_count = CPU_TO_LE16(sect_count + 1);
1997 		return section_ptr;
1998 	}
1999 
2000 	/* no free section table entries */
2001 	return NULL;
2002 }
2003 
2004 /**
2005  * ice_pkg_buf_alloc_single_section
2006  * @hw: pointer to the HW structure
2007  * @type: the section type value
2008  * @size: the size of the section to reserve (in bytes)
2009  * @section: returns pointer to the section
2010  *
2011  * Allocates a package buffer with a single section.
2012  * Note: all package contents must be in Little Endian form.
2013  */
2014 struct ice_buf_build *
2015 ice_pkg_buf_alloc_single_section(struct ice_hw *hw, u32 type, u16 size,
2016 				 void **section)
2017 {
2018 	struct ice_buf_build *buf;
2019 
2020 	if (!section)
2021 		return NULL;
2022 
2023 	buf = ice_pkg_buf_alloc(hw);
2024 	if (!buf)
2025 		return NULL;
2026 
2027 	if (ice_pkg_buf_reserve_section(buf, 1))
2028 		goto ice_pkg_buf_alloc_single_section_err;
2029 
2030 	*section = ice_pkg_buf_alloc_section(buf, type, size);
2031 	if (!*section)
2032 		goto ice_pkg_buf_alloc_single_section_err;
2033 
2034 	return buf;
2035 
2036 ice_pkg_buf_alloc_single_section_err:
2037 	ice_pkg_buf_free(hw, buf);
2038 	return NULL;
2039 }
2040 
2041 /**
2042  * ice_pkg_buf_get_active_sections
2043  * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
2044  *
2045  * Returns the number of active sections. Before using the package buffer
2046  * in an update package command, the caller should make sure that there is at
2047  * least one active section - otherwise, the buffer is not legal and should
2048  * not be used.
2049  * Note: all package contents must be in Little Endian form.
2050  */
2051 static u16 ice_pkg_buf_get_active_sections(struct ice_buf_build *bld)
2052 {
2053 	struct ice_buf_hdr *buf;
2054 
2055 	if (!bld)
2056 		return 0;
2057 
2058 	buf = (struct ice_buf_hdr *)&bld->buf;
2059 	return LE16_TO_CPU(buf->section_count);
2060 }
2061 
2062 /**
2063  * ice_pkg_buf
2064  * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
2065  *
2066  * Return a pointer to the buffer's header
2067  */
2068 struct ice_buf *ice_pkg_buf(struct ice_buf_build *bld)
2069 {
2070 	if (!bld)
2071 		return NULL;
2072 
2073 	return &bld->buf;
2074 }
2075 
2076 /**
2077  * ice_tunnel_port_in_use_hlpr - helper function to determine tunnel usage
2078  * @hw: pointer to the HW structure
2079  * @port: port to search for
2080  * @index: optionally returns index
2081  *
2082  * Returns whether a port is already in use as a tunnel, and optionally its
2083  * index
2084  */
2085 static bool ice_tunnel_port_in_use_hlpr(struct ice_hw *hw, u16 port, u16 *index)
2086 {
2087 	u16 i;
2088 
2089 	for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++)
2090 		if (hw->tnl.tbl[i].in_use && hw->tnl.tbl[i].port == port) {
2091 			if (index)
2092 				*index = i;
2093 			return true;
2094 		}
2095 
2096 	return false;
2097 }
2098 
2099 /**
2100  * ice_tunnel_port_in_use
2101  * @hw: pointer to the HW structure
2102  * @port: port to search for
2103  * @index: optionally returns index
2104  *
2105  * Returns whether a port is already in use as a tunnel, and optionally its
2106  * index
2107  */
2108 bool ice_tunnel_port_in_use(struct ice_hw *hw, u16 port, u16 *index)
2109 {
2110 	bool res;
2111 
2112 	ice_acquire_lock(&hw->tnl_lock);
2113 	res = ice_tunnel_port_in_use_hlpr(hw, port, index);
2114 	ice_release_lock(&hw->tnl_lock);
2115 
2116 	return res;
2117 }
2118 
2119 /**
2120  * ice_tunnel_get_type
2121  * @hw: pointer to the HW structure
2122  * @port: port to search for
2123  * @type: returns tunnel index
2124  *
2125  * For a given port number, will return the type of tunnel.
2126  */
2127 bool
2128 ice_tunnel_get_type(struct ice_hw *hw, u16 port, enum ice_tunnel_type *type)
2129 {
2130 	bool res = false;
2131 	u16 i;
2132 
2133 	ice_acquire_lock(&hw->tnl_lock);
2134 
2135 	for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++)
2136 		if (hw->tnl.tbl[i].in_use && hw->tnl.tbl[i].port == port) {
2137 			*type = hw->tnl.tbl[i].type;
2138 			res = true;
2139 			break;
2140 		}
2141 
2142 	ice_release_lock(&hw->tnl_lock);
2143 
2144 	return res;
2145 }
2146 
2147 /**
2148  * ice_find_free_tunnel_entry
2149  * @hw: pointer to the HW structure
2150  * @type: tunnel type
2151  * @index: optionally returns index
2152  *
2153  * Returns whether there is a free tunnel entry, and optionally its index
2154  */
2155 static bool
2156 ice_find_free_tunnel_entry(struct ice_hw *hw, enum ice_tunnel_type type,
2157 			   u16 *index)
2158 {
2159 	u16 i;
2160 
2161 	for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++)
2162 		if (hw->tnl.tbl[i].valid && !hw->tnl.tbl[i].in_use &&
2163 		    hw->tnl.tbl[i].type == type) {
2164 			if (index)
2165 				*index = i;
2166 			return true;
2167 		}
2168 
2169 	return false;
2170 }
2171 
2172 /**
2173  * ice_get_open_tunnel_port - retrieve an open tunnel port
2174  * @hw: pointer to the HW structure
2175  * @type: tunnel type (TNL_ALL will return any open port)
2176  * @port: returns open port
2177  */
2178 bool
2179 ice_get_open_tunnel_port(struct ice_hw *hw, enum ice_tunnel_type type,
2180 			 u16 *port)
2181 {
2182 	bool res = false;
2183 	u16 i;
2184 
2185 	ice_acquire_lock(&hw->tnl_lock);
2186 
2187 	for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++)
2188 		if (hw->tnl.tbl[i].valid && hw->tnl.tbl[i].in_use &&
2189 		    (type == TNL_ALL || hw->tnl.tbl[i].type == type)) {
2190 			*port = hw->tnl.tbl[i].port;
2191 			res = true;
2192 			break;
2193 		}
2194 
2195 	ice_release_lock(&hw->tnl_lock);
2196 
2197 	return res;
2198 }
2199 
2200 /**
2201  * ice_create_tunnel
2202  * @hw: pointer to the HW structure
2203  * @type: type of tunnel
2204  * @port: port of tunnel to create
2205  *
2206  * Create a tunnel by updating the parse graph in the parser. We do that by
2207  * creating a package buffer with the tunnel info and issuing an update package
2208  * command.
2209  */
2210 enum ice_status
2211 ice_create_tunnel(struct ice_hw *hw, enum ice_tunnel_type type, u16 port)
2212 {
2213 	struct ice_boost_tcam_section *sect_rx, *sect_tx;
2214 	enum ice_status status = ICE_ERR_MAX_LIMIT;
2215 	struct ice_buf_build *bld;
2216 	u16 index;
2217 
2218 	ice_acquire_lock(&hw->tnl_lock);
2219 
2220 	if (ice_tunnel_port_in_use_hlpr(hw, port, &index)) {
2221 		hw->tnl.tbl[index].ref++;
2222 		status = ICE_SUCCESS;
2223 		goto ice_create_tunnel_end;
2224 	}
2225 
2226 	if (!ice_find_free_tunnel_entry(hw, type, &index)) {
2227 		status = ICE_ERR_OUT_OF_RANGE;
2228 		goto ice_create_tunnel_end;
2229 	}
2230 
2231 	bld = ice_pkg_buf_alloc(hw);
2232 	if (!bld) {
2233 		status = ICE_ERR_NO_MEMORY;
2234 		goto ice_create_tunnel_end;
2235 	}
2236 
2237 	/* allocate 2 sections, one for Rx parser, one for Tx parser */
2238 	if (ice_pkg_buf_reserve_section(bld, 2))
2239 		goto ice_create_tunnel_err;
2240 
2241 	sect_rx = (struct ice_boost_tcam_section *)
2242 		ice_pkg_buf_alloc_section(bld, ICE_SID_RXPARSER_BOOST_TCAM,
2243 					  ice_struct_size(sect_rx, tcam, 1));
2244 	if (!sect_rx)
2245 		goto ice_create_tunnel_err;
2246 	sect_rx->count = CPU_TO_LE16(1);
2247 
2248 	sect_tx = (struct ice_boost_tcam_section *)
2249 		ice_pkg_buf_alloc_section(bld, ICE_SID_TXPARSER_BOOST_TCAM,
2250 					  ice_struct_size(sect_tx, tcam, 1));
2251 	if (!sect_tx)
2252 		goto ice_create_tunnel_err;
2253 	sect_tx->count = CPU_TO_LE16(1);
2254 
2255 	/* copy original boost entry to update package buffer */
2256 	ice_memcpy(sect_rx->tcam, hw->tnl.tbl[index].boost_entry,
2257 		   sizeof(*sect_rx->tcam), ICE_NONDMA_TO_NONDMA);
2258 
2259 	/* over-write the never-match dest port key bits with the encoded port
2260 	 * bits
2261 	 */
2262 	ice_set_key((u8 *)&sect_rx->tcam[0].key, sizeof(sect_rx->tcam[0].key),
2263 		    (u8 *)&port, NULL, NULL, NULL,
2264 		    (u16)offsetof(struct ice_boost_key_value, hv_dst_port_key),
2265 		    sizeof(sect_rx->tcam[0].key.key.hv_dst_port_key));
2266 
2267 	/* exact copy of entry to Tx section entry */
2268 	ice_memcpy(sect_tx->tcam, sect_rx->tcam, sizeof(*sect_tx->tcam),
2269 		   ICE_NONDMA_TO_NONDMA);
2270 
2271 	status = ice_update_pkg(hw, ice_pkg_buf(bld), 1);
2272 	if (!status) {
2273 		hw->tnl.tbl[index].port = port;
2274 		hw->tnl.tbl[index].in_use = true;
2275 		hw->tnl.tbl[index].ref = 1;
2276 	}
2277 
2278 ice_create_tunnel_err:
2279 	ice_pkg_buf_free(hw, bld);
2280 
2281 ice_create_tunnel_end:
2282 	ice_release_lock(&hw->tnl_lock);
2283 
2284 	return status;
2285 }
2286 
2287 /**
2288  * ice_destroy_tunnel
2289  * @hw: pointer to the HW structure
2290  * @port: port of tunnel to destroy (ignored if the all parameter is true)
2291  * @all: flag that states to destroy all tunnels
2292  *
2293  * Destroys a tunnel or all tunnels by creating an update package buffer
2294  * targeting the specific updates requested and then performing an update
2295  * package.
2296  */
2297 enum ice_status ice_destroy_tunnel(struct ice_hw *hw, u16 port, bool all)
2298 {
2299 	struct ice_boost_tcam_section *sect_rx, *sect_tx;
2300 	enum ice_status status = ICE_ERR_MAX_LIMIT;
2301 	struct ice_buf_build *bld;
2302 	u16 count = 0;
2303 	u16 index;
2304 	u16 size;
2305 	u16 i, j;
2306 
2307 	ice_acquire_lock(&hw->tnl_lock);
2308 
2309 	if (!all && ice_tunnel_port_in_use_hlpr(hw, port, &index))
2310 		if (hw->tnl.tbl[index].ref > 1) {
2311 			hw->tnl.tbl[index].ref--;
2312 			status = ICE_SUCCESS;
2313 			goto ice_destroy_tunnel_end;
2314 		}
2315 
2316 	/* determine count */
2317 	for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++)
2318 		if (hw->tnl.tbl[i].valid && hw->tnl.tbl[i].in_use &&
2319 		    (all || hw->tnl.tbl[i].port == port))
2320 			count++;
2321 
2322 	if (!count) {
2323 		status = ICE_ERR_PARAM;
2324 		goto ice_destroy_tunnel_end;
2325 	}
2326 
2327 	/* size of section - there is at least one entry */
2328 	size = ice_struct_size(sect_rx, tcam, count);
2329 
2330 	bld = ice_pkg_buf_alloc(hw);
2331 	if (!bld) {
2332 		status = ICE_ERR_NO_MEMORY;
2333 		goto ice_destroy_tunnel_end;
2334 	}
2335 
2336 	/* allocate 2 sections, one for Rx parser, one for Tx parser */
2337 	if (ice_pkg_buf_reserve_section(bld, 2))
2338 		goto ice_destroy_tunnel_err;
2339 
2340 	sect_rx = (struct ice_boost_tcam_section *)
2341 		ice_pkg_buf_alloc_section(bld, ICE_SID_RXPARSER_BOOST_TCAM,
2342 					  size);
2343 	if (!sect_rx)
2344 		goto ice_destroy_tunnel_err;
2345 	sect_rx->count = CPU_TO_LE16(count);
2346 
2347 	sect_tx = (struct ice_boost_tcam_section *)
2348 		ice_pkg_buf_alloc_section(bld, ICE_SID_TXPARSER_BOOST_TCAM,
2349 					  size);
2350 	if (!sect_tx)
2351 		goto ice_destroy_tunnel_err;
2352 	sect_tx->count = CPU_TO_LE16(count);
2353 
2354 	/* copy original boost entry to update package buffer, one copy to Rx
2355 	 * section, another copy to the Tx section
2356 	 */
2357 	for (i = 0, j = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++)
2358 		if (hw->tnl.tbl[i].valid && hw->tnl.tbl[i].in_use &&
2359 		    (all || hw->tnl.tbl[i].port == port)) {
2360 			ice_memcpy(sect_rx->tcam + j,
2361 				   hw->tnl.tbl[i].boost_entry,
2362 				   sizeof(*sect_rx->tcam),
2363 				   ICE_NONDMA_TO_NONDMA);
2364 			ice_memcpy(sect_tx->tcam + j,
2365 				   hw->tnl.tbl[i].boost_entry,
2366 				   sizeof(*sect_tx->tcam),
2367 				   ICE_NONDMA_TO_NONDMA);
2368 			hw->tnl.tbl[i].marked = true;
2369 			j++;
2370 		}
2371 
2372 	status = ice_update_pkg(hw, ice_pkg_buf(bld), 1);
2373 	if (!status)
2374 		for (i = 0; i < hw->tnl.count &&
2375 		     i < ICE_TUNNEL_MAX_ENTRIES; i++)
2376 			if (hw->tnl.tbl[i].marked) {
2377 				hw->tnl.tbl[i].ref = 0;
2378 				hw->tnl.tbl[i].port = 0;
2379 				hw->tnl.tbl[i].in_use = false;
2380 				hw->tnl.tbl[i].marked = false;
2381 			}
2382 
2383 ice_destroy_tunnel_err:
2384 	ice_pkg_buf_free(hw, bld);
2385 
2386 ice_destroy_tunnel_end:
2387 	ice_release_lock(&hw->tnl_lock);
2388 
2389 	return status;
2390 }
2391 
2392 /**
2393  * ice_find_prot_off - find prot ID and offset pair, based on prof and FV index
2394  * @hw: pointer to the hardware structure
2395  * @blk: hardware block
2396  * @prof: profile ID
2397  * @fv_idx: field vector word index
2398  * @prot: variable to receive the protocol ID
2399  * @off: variable to receive the protocol offset
2400  */
2401 enum ice_status
2402 ice_find_prot_off(struct ice_hw *hw, enum ice_block blk, u8 prof, u16 fv_idx,
2403 		  u8 *prot, u16 *off)
2404 {
2405 	struct ice_fv_word *fv_ext;
2406 
2407 	if (prof >= hw->blk[blk].es.count)
2408 		return ICE_ERR_PARAM;
2409 
2410 	if (fv_idx >= hw->blk[blk].es.fvw)
2411 		return ICE_ERR_PARAM;
2412 
2413 	fv_ext = hw->blk[blk].es.t + (prof * hw->blk[blk].es.fvw);
2414 
2415 	*prot = fv_ext[fv_idx].prot_id;
2416 	*off = fv_ext[fv_idx].off;
2417 
2418 	return ICE_SUCCESS;
2419 }
2420 
2421 /* PTG Management */
2422 
2423 /**
2424  * ice_ptg_find_ptype - Search for packet type group using packet type (ptype)
2425  * @hw: pointer to the hardware structure
2426  * @blk: HW block
2427  * @ptype: the ptype to search for
2428  * @ptg: pointer to variable that receives the PTG
2429  *
2430  * This function will search the PTGs for a particular ptype, returning the
2431  * PTG ID that contains it through the PTG parameter, with the value of
2432  * ICE_DEFAULT_PTG (0) meaning it is part the default PTG.
2433  */
2434 static enum ice_status
2435 ice_ptg_find_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 *ptg)
2436 {
2437 	if (ptype >= ICE_XLT1_CNT || !ptg)
2438 		return ICE_ERR_PARAM;
2439 
2440 	*ptg = hw->blk[blk].xlt1.ptypes[ptype].ptg;
2441 	return ICE_SUCCESS;
2442 }
2443 
2444 /**
2445  * ice_ptg_alloc_val - Allocates a new packet type group ID by value
2446  * @hw: pointer to the hardware structure
2447  * @blk: HW block
2448  * @ptg: the PTG to allocate
2449  *
2450  * This function allocates a given packet type group ID specified by the PTG
2451  * parameter.
2452  */
2453 static void ice_ptg_alloc_val(struct ice_hw *hw, enum ice_block blk, u8 ptg)
2454 {
2455 	hw->blk[blk].xlt1.ptg_tbl[ptg].in_use = true;
2456 }
2457 
2458 /**
2459  * ice_ptg_remove_ptype - Removes ptype from a particular packet type group
2460  * @hw: pointer to the hardware structure
2461  * @blk: HW block
2462  * @ptype: the ptype to remove
2463  * @ptg: the PTG to remove the ptype from
2464  *
2465  * This function will remove the ptype from the specific PTG, and move it to
2466  * the default PTG (ICE_DEFAULT_PTG).
2467  */
2468 static enum ice_status
2469 ice_ptg_remove_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 ptg)
2470 {
2471 	struct ice_ptg_ptype **ch;
2472 	struct ice_ptg_ptype *p;
2473 
2474 	if (ptype > ICE_XLT1_CNT - 1)
2475 		return ICE_ERR_PARAM;
2476 
2477 	if (!hw->blk[blk].xlt1.ptg_tbl[ptg].in_use)
2478 		return ICE_ERR_DOES_NOT_EXIST;
2479 
2480 	/* Should not happen if .in_use is set, bad config */
2481 	if (!hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype)
2482 		return ICE_ERR_CFG;
2483 
2484 	/* find the ptype within this PTG, and bypass the link over it */
2485 	p = hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype;
2486 	ch = &hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype;
2487 	while (p) {
2488 		if (ptype == (p - hw->blk[blk].xlt1.ptypes)) {
2489 			*ch = p->next_ptype;
2490 			break;
2491 		}
2492 
2493 		ch = &p->next_ptype;
2494 		p = p->next_ptype;
2495 	}
2496 
2497 	hw->blk[blk].xlt1.ptypes[ptype].ptg = ICE_DEFAULT_PTG;
2498 	hw->blk[blk].xlt1.ptypes[ptype].next_ptype = NULL;
2499 
2500 	return ICE_SUCCESS;
2501 }
2502 
2503 /**
2504  * ice_ptg_add_mv_ptype - Adds/moves ptype to a particular packet type group
2505  * @hw: pointer to the hardware structure
2506  * @blk: HW block
2507  * @ptype: the ptype to add or move
2508  * @ptg: the PTG to add or move the ptype to
2509  *
2510  * This function will either add or move a ptype to a particular PTG depending
2511  * on if the ptype is already part of another group. Note that using a
2512  * a destination PTG ID of ICE_DEFAULT_PTG (0) will move the ptype to the
2513  * default PTG.
2514  */
2515 static enum ice_status
2516 ice_ptg_add_mv_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 ptg)
2517 {
2518 	enum ice_status status;
2519 	u8 original_ptg;
2520 
2521 	if (ptype > ICE_XLT1_CNT - 1)
2522 		return ICE_ERR_PARAM;
2523 
2524 	if (!hw->blk[blk].xlt1.ptg_tbl[ptg].in_use && ptg != ICE_DEFAULT_PTG)
2525 		return ICE_ERR_DOES_NOT_EXIST;
2526 
2527 	status = ice_ptg_find_ptype(hw, blk, ptype, &original_ptg);
2528 	if (status)
2529 		return status;
2530 
2531 	/* Is ptype already in the correct PTG? */
2532 	if (original_ptg == ptg)
2533 		return ICE_SUCCESS;
2534 
2535 	/* Remove from original PTG and move back to the default PTG */
2536 	if (original_ptg != ICE_DEFAULT_PTG)
2537 		ice_ptg_remove_ptype(hw, blk, ptype, original_ptg);
2538 
2539 	/* Moving to default PTG? Then we're done with this request */
2540 	if (ptg == ICE_DEFAULT_PTG)
2541 		return ICE_SUCCESS;
2542 
2543 	/* Add ptype to PTG at beginning of list */
2544 	hw->blk[blk].xlt1.ptypes[ptype].next_ptype =
2545 		hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype;
2546 	hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype =
2547 		&hw->blk[blk].xlt1.ptypes[ptype];
2548 
2549 	hw->blk[blk].xlt1.ptypes[ptype].ptg = ptg;
2550 	hw->blk[blk].xlt1.t[ptype] = ptg;
2551 
2552 	return ICE_SUCCESS;
2553 }
2554 
2555 /* Block / table size info */
2556 struct ice_blk_size_details {
2557 	u16 xlt1;			/* # XLT1 entries */
2558 	u16 xlt2;			/* # XLT2 entries */
2559 	u16 prof_tcam;			/* # profile ID TCAM entries */
2560 	u16 prof_id;			/* # profile IDs */
2561 	u8 prof_cdid_bits;		/* # CDID one-hot bits used in key */
2562 	u16 prof_redir;			/* # profile redirection entries */
2563 	u16 es;				/* # extraction sequence entries */
2564 	u16 fvw;			/* # field vector words */
2565 	u8 overwrite;			/* overwrite existing entries allowed */
2566 	u8 reverse;			/* reverse FV order */
2567 };
2568 
2569 static const struct ice_blk_size_details blk_sizes[ICE_BLK_COUNT] = {
2570 	/**
2571 	 * Table Definitions
2572 	 * XLT1 - Number of entries in XLT1 table
2573 	 * XLT2 - Number of entries in XLT2 table
2574 	 * TCAM - Number of entries Profile ID TCAM table
2575 	 * CDID - Control Domain ID of the hardware block
2576 	 * PRED - Number of entries in the Profile Redirection Table
2577 	 * FV   - Number of entries in the Field Vector
2578 	 * FVW  - Width (in WORDs) of the Field Vector
2579 	 * OVR  - Overwrite existing table entries
2580 	 * REV  - Reverse FV
2581 	 */
2582 	/*          XLT1        , XLT2        ,TCAM, PID,CDID,PRED,   FV, FVW */
2583 	/*          Overwrite   , Reverse FV */
2584 	/* SW  */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 256,   0,  256, 256,  48,
2585 		    false, false },
2586 	/* ACL */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128,   0,  128, 128,  32,
2587 		    false, false },
2588 	/* FD  */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128,   0,  128, 128,  24,
2589 		    false, true  },
2590 	/* RSS */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128,   0,  128, 128,  24,
2591 		    true,  true  },
2592 	/* PE  */ { ICE_XLT1_CNT, ICE_XLT2_CNT,  64,  32,   0,   32,  32,  24,
2593 		    false, false },
2594 };
2595 
2596 enum ice_sid_all {
2597 	ICE_SID_XLT1_OFF = 0,
2598 	ICE_SID_XLT2_OFF,
2599 	ICE_SID_PR_OFF,
2600 	ICE_SID_PR_REDIR_OFF,
2601 	ICE_SID_ES_OFF,
2602 	ICE_SID_OFF_COUNT,
2603 };
2604 
2605 /* Characteristic handling */
2606 
2607 /**
2608  * ice_match_prop_lst - determine if properties of two lists match
2609  * @list1: first properties list
2610  * @list2: second properties list
2611  *
2612  * Count, cookies and the order must match in order to be considered equivalent.
2613  */
2614 static bool
2615 ice_match_prop_lst(struct LIST_HEAD_TYPE *list1, struct LIST_HEAD_TYPE *list2)
2616 {
2617 	struct ice_vsig_prof *tmp1;
2618 	struct ice_vsig_prof *tmp2;
2619 	u16 chk_count = 0;
2620 	u16 count = 0;
2621 
2622 	/* compare counts */
2623 	LIST_FOR_EACH_ENTRY(tmp1, list1, ice_vsig_prof, list)
2624 		count++;
2625 	LIST_FOR_EACH_ENTRY(tmp2, list2, ice_vsig_prof, list)
2626 		chk_count++;
2627 	if (!count || count != chk_count)
2628 		return false;
2629 
2630 	tmp1 = LIST_FIRST_ENTRY(list1, struct ice_vsig_prof, list);
2631 	tmp2 = LIST_FIRST_ENTRY(list2, struct ice_vsig_prof, list);
2632 
2633 	/* profile cookies must compare, and in the exact same order to take
2634 	 * into account priority
2635 	 */
2636 	while (count--) {
2637 		if (tmp2->profile_cookie != tmp1->profile_cookie)
2638 			return false;
2639 
2640 		tmp1 = LIST_NEXT_ENTRY(tmp1, struct ice_vsig_prof, list);
2641 		tmp2 = LIST_NEXT_ENTRY(tmp2, struct ice_vsig_prof, list);
2642 	}
2643 
2644 	return true;
2645 }
2646 
2647 /* VSIG Management */
2648 
2649 /**
2650  * ice_vsig_find_vsi - find a VSIG that contains a specified VSI
2651  * @hw: pointer to the hardware structure
2652  * @blk: HW block
2653  * @vsi: VSI of interest
2654  * @vsig: pointer to receive the VSI group
2655  *
2656  * This function will lookup the VSI entry in the XLT2 list and return
2657  * the VSI group its associated with.
2658  */
2659 enum ice_status
2660 ice_vsig_find_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 *vsig)
2661 {
2662 	if (!vsig || vsi >= ICE_MAX_VSI)
2663 		return ICE_ERR_PARAM;
2664 
2665 	/* As long as there's a default or valid VSIG associated with the input
2666 	 * VSI, the functions returns a success. Any handling of VSIG will be
2667 	 * done by the following add, update or remove functions.
2668 	 */
2669 	*vsig = hw->blk[blk].xlt2.vsis[vsi].vsig;
2670 
2671 	return ICE_SUCCESS;
2672 }
2673 
2674 /**
2675  * ice_vsig_alloc_val - allocate a new VSIG by value
2676  * @hw: pointer to the hardware structure
2677  * @blk: HW block
2678  * @vsig: the VSIG to allocate
2679  *
2680  * This function will allocate a given VSIG specified by the VSIG parameter.
2681  */
2682 static u16 ice_vsig_alloc_val(struct ice_hw *hw, enum ice_block blk, u16 vsig)
2683 {
2684 	u16 idx = vsig & ICE_VSIG_IDX_M;
2685 
2686 	if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use) {
2687 		INIT_LIST_HEAD(&hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst);
2688 		hw->blk[blk].xlt2.vsig_tbl[idx].in_use = true;
2689 	}
2690 
2691 	return ICE_VSIG_VALUE(idx, hw->pf_id);
2692 }
2693 
2694 /**
2695  * ice_vsig_alloc - Finds a free entry and allocates a new VSIG
2696  * @hw: pointer to the hardware structure
2697  * @blk: HW block
2698  *
2699  * This function will iterate through the VSIG list and mark the first
2700  * unused entry for the new VSIG entry as used and return that value.
2701  */
2702 static u16 ice_vsig_alloc(struct ice_hw *hw, enum ice_block blk)
2703 {
2704 	u16 i;
2705 
2706 	for (i = 1; i < ICE_MAX_VSIGS; i++)
2707 		if (!hw->blk[blk].xlt2.vsig_tbl[i].in_use)
2708 			return ice_vsig_alloc_val(hw, blk, i);
2709 
2710 	return ICE_DEFAULT_VSIG;
2711 }
2712 
2713 /**
2714  * ice_find_dup_props_vsig - find VSI group with a specified set of properties
2715  * @hw: pointer to the hardware structure
2716  * @blk: HW block
2717  * @chs: characteristic list
2718  * @vsig: returns the VSIG with the matching profiles, if found
2719  *
2720  * Each VSIG is associated with a characteristic set; i.e. all VSIs under
2721  * a group have the same characteristic set. To check if there exists a VSIG
2722  * which has the same characteristics as the input characteristics; this
2723  * function will iterate through the XLT2 list and return the VSIG that has a
2724  * matching configuration. In order to make sure that priorities are accounted
2725  * for, the list must match exactly, including the order in which the
2726  * characteristics are listed.
2727  */
2728 static enum ice_status
2729 ice_find_dup_props_vsig(struct ice_hw *hw, enum ice_block blk,
2730 			struct LIST_HEAD_TYPE *chs, u16 *vsig)
2731 {
2732 	struct ice_xlt2 *xlt2 = &hw->blk[blk].xlt2;
2733 	u16 i;
2734 
2735 	for (i = 0; i < xlt2->count; i++)
2736 		if (xlt2->vsig_tbl[i].in_use &&
2737 		    ice_match_prop_lst(chs, &xlt2->vsig_tbl[i].prop_lst)) {
2738 			*vsig = ICE_VSIG_VALUE(i, hw->pf_id);
2739 			return ICE_SUCCESS;
2740 		}
2741 
2742 	return ICE_ERR_DOES_NOT_EXIST;
2743 }
2744 
2745 /**
2746  * ice_vsig_free - free VSI group
2747  * @hw: pointer to the hardware structure
2748  * @blk: HW block
2749  * @vsig: VSIG to remove
2750  *
2751  * The function will remove all VSIs associated with the input VSIG and move
2752  * them to the DEFAULT_VSIG and mark the VSIG available.
2753  */
2754 static enum ice_status
2755 ice_vsig_free(struct ice_hw *hw, enum ice_block blk, u16 vsig)
2756 {
2757 	struct ice_vsig_prof *dtmp, *del;
2758 	struct ice_vsig_vsi *vsi_cur;
2759 	u16 idx;
2760 
2761 	idx = vsig & ICE_VSIG_IDX_M;
2762 	if (idx >= ICE_MAX_VSIGS)
2763 		return ICE_ERR_PARAM;
2764 
2765 	if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use)
2766 		return ICE_ERR_DOES_NOT_EXIST;
2767 
2768 	hw->blk[blk].xlt2.vsig_tbl[idx].in_use = false;
2769 
2770 	vsi_cur = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
2771 	/* If the VSIG has at least 1 VSI then iterate through the
2772 	 * list and remove the VSIs before deleting the group.
2773 	 */
2774 	if (vsi_cur) {
2775 		/* remove all vsis associated with this VSIG XLT2 entry */
2776 		do {
2777 			struct ice_vsig_vsi *tmp = vsi_cur->next_vsi;
2778 
2779 			vsi_cur->vsig = ICE_DEFAULT_VSIG;
2780 			vsi_cur->changed = 1;
2781 			vsi_cur->next_vsi = NULL;
2782 			vsi_cur = tmp;
2783 		} while (vsi_cur);
2784 
2785 		/* NULL terminate head of VSI list */
2786 		hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi = NULL;
2787 	}
2788 
2789 	/* free characteristic list */
2790 	LIST_FOR_EACH_ENTRY_SAFE(del, dtmp,
2791 				 &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
2792 				 ice_vsig_prof, list) {
2793 		LIST_DEL(&del->list);
2794 		ice_free(hw, del);
2795 	}
2796 
2797 	/* if VSIG characteristic list was cleared for reset
2798 	 * re-initialize the list head
2799 	 */
2800 	INIT_LIST_HEAD(&hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst);
2801 
2802 	return ICE_SUCCESS;
2803 }
2804 
2805 /**
2806  * ice_vsig_remove_vsi - remove VSI from VSIG
2807  * @hw: pointer to the hardware structure
2808  * @blk: HW block
2809  * @vsi: VSI to remove
2810  * @vsig: VSI group to remove from
2811  *
2812  * The function will remove the input VSI from its VSI group and move it
2813  * to the DEFAULT_VSIG.
2814  */
2815 static enum ice_status
2816 ice_vsig_remove_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig)
2817 {
2818 	struct ice_vsig_vsi **vsi_head, *vsi_cur, *vsi_tgt;
2819 	u16 idx;
2820 
2821 	idx = vsig & ICE_VSIG_IDX_M;
2822 
2823 	if (vsi >= ICE_MAX_VSI || idx >= ICE_MAX_VSIGS)
2824 		return ICE_ERR_PARAM;
2825 
2826 	if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use)
2827 		return ICE_ERR_DOES_NOT_EXIST;
2828 
2829 	/* entry already in default VSIG, don't have to remove */
2830 	if (idx == ICE_DEFAULT_VSIG)
2831 		return ICE_SUCCESS;
2832 
2833 	vsi_head = &hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
2834 	if (!(*vsi_head))
2835 		return ICE_ERR_CFG;
2836 
2837 	vsi_tgt = &hw->blk[blk].xlt2.vsis[vsi];
2838 	vsi_cur = (*vsi_head);
2839 
2840 	/* iterate the VSI list, skip over the entry to be removed */
2841 	while (vsi_cur) {
2842 		if (vsi_tgt == vsi_cur) {
2843 			(*vsi_head) = vsi_cur->next_vsi;
2844 			break;
2845 		}
2846 		vsi_head = &vsi_cur->next_vsi;
2847 		vsi_cur = vsi_cur->next_vsi;
2848 	}
2849 
2850 	/* verify if VSI was removed from group list */
2851 	if (!vsi_cur)
2852 		return ICE_ERR_DOES_NOT_EXIST;
2853 
2854 	vsi_cur->vsig = ICE_DEFAULT_VSIG;
2855 	vsi_cur->changed = 1;
2856 	vsi_cur->next_vsi = NULL;
2857 
2858 	return ICE_SUCCESS;
2859 }
2860 
2861 /**
2862  * ice_vsig_add_mv_vsi - add or move a VSI to a VSI group
2863  * @hw: pointer to the hardware structure
2864  * @blk: HW block
2865  * @vsi: VSI to move
2866  * @vsig: destination VSI group
2867  *
2868  * This function will move or add the input VSI to the target VSIG.
2869  * The function will find the original VSIG the VSI belongs to and
2870  * move the entry to the DEFAULT_VSIG, update the original VSIG and
2871  * then move entry to the new VSIG.
2872  */
2873 static enum ice_status
2874 ice_vsig_add_mv_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig)
2875 {
2876 	struct ice_vsig_vsi *tmp;
2877 	enum ice_status status;
2878 	u16 orig_vsig, idx;
2879 
2880 	idx = vsig & ICE_VSIG_IDX_M;
2881 
2882 	if (vsi >= ICE_MAX_VSI || idx >= ICE_MAX_VSIGS)
2883 		return ICE_ERR_PARAM;
2884 
2885 	/* if VSIG not in use and VSIG is not default type this VSIG
2886 	 * doesn't exist.
2887 	 */
2888 	if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use &&
2889 	    vsig != ICE_DEFAULT_VSIG)
2890 		return ICE_ERR_DOES_NOT_EXIST;
2891 
2892 	status = ice_vsig_find_vsi(hw, blk, vsi, &orig_vsig);
2893 	if (status)
2894 		return status;
2895 
2896 	/* no update required if vsigs match */
2897 	if (orig_vsig == vsig)
2898 		return ICE_SUCCESS;
2899 
2900 	if (orig_vsig != ICE_DEFAULT_VSIG) {
2901 		/* remove entry from orig_vsig and add to default VSIG */
2902 		status = ice_vsig_remove_vsi(hw, blk, vsi, orig_vsig);
2903 		if (status)
2904 			return status;
2905 	}
2906 
2907 	if (idx == ICE_DEFAULT_VSIG)
2908 		return ICE_SUCCESS;
2909 
2910 	/* Create VSI entry and add VSIG and prop_mask values */
2911 	hw->blk[blk].xlt2.vsis[vsi].vsig = vsig;
2912 	hw->blk[blk].xlt2.vsis[vsi].changed = 1;
2913 
2914 	/* Add new entry to the head of the VSIG list */
2915 	tmp = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
2916 	hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi =
2917 		&hw->blk[blk].xlt2.vsis[vsi];
2918 	hw->blk[blk].xlt2.vsis[vsi].next_vsi = tmp;
2919 	hw->blk[blk].xlt2.t[vsi] = vsig;
2920 
2921 	return ICE_SUCCESS;
2922 }
2923 
2924 /**
2925  * ice_prof_has_mask_idx - determine if profile index masking is identical
2926  * @hw: pointer to the hardware structure
2927  * @blk: HW block
2928  * @prof: profile to check
2929  * @idx: profile index to check
2930  * @mask: mask to match
2931  */
2932 static bool
2933 ice_prof_has_mask_idx(struct ice_hw *hw, enum ice_block blk, u8 prof, u16 idx,
2934 		      u16 mask)
2935 {
2936 	bool expect_no_mask = false;
2937 	bool found = false;
2938 	bool match = false;
2939 	u16 i;
2940 
2941 	/* If mask is 0x0000 or 0xffff, then there is no masking */
2942 	if (mask == 0 || mask == 0xffff)
2943 		expect_no_mask = true;
2944 
2945 	/* Scan the enabled masks on this profile, for the specified idx */
2946 	for (i = hw->blk[blk].masks.first; i < hw->blk[blk].masks.first +
2947 	     hw->blk[blk].masks.count; i++)
2948 		if (hw->blk[blk].es.mask_ena[prof] & BIT(i))
2949 			if (hw->blk[blk].masks.masks[i].in_use &&
2950 			    hw->blk[blk].masks.masks[i].idx == idx) {
2951 				found = true;
2952 				if (hw->blk[blk].masks.masks[i].mask == mask)
2953 					match = true;
2954 				break;
2955 			}
2956 
2957 	if (expect_no_mask) {
2958 		if (found)
2959 			return false;
2960 	} else {
2961 		if (!match)
2962 			return false;
2963 	}
2964 
2965 	return true;
2966 }
2967 
2968 /**
2969  * ice_prof_has_mask - determine if profile masking is identical
2970  * @hw: pointer to the hardware structure
2971  * @blk: HW block
2972  * @prof: profile to check
2973  * @masks: masks to match
2974  */
2975 static bool
2976 ice_prof_has_mask(struct ice_hw *hw, enum ice_block blk, u8 prof, u16 *masks)
2977 {
2978 	u16 i;
2979 
2980 	/* es->mask_ena[prof] will have the mask */
2981 	for (i = 0; i < hw->blk[blk].es.fvw; i++)
2982 		if (!ice_prof_has_mask_idx(hw, blk, prof, i, masks[i]))
2983 			return false;
2984 
2985 	return true;
2986 }
2987 
2988 /**
2989  * ice_find_prof_id_with_mask - find profile ID for a given field vector
2990  * @hw: pointer to the hardware structure
2991  * @blk: HW block
2992  * @fv: field vector to search for
2993  * @masks: masks for fv
2994  * @prof_id: receives the profile ID
2995  */
2996 static enum ice_status
2997 ice_find_prof_id_with_mask(struct ice_hw *hw, enum ice_block blk,
2998 			   struct ice_fv_word *fv, u16 *masks, u8 *prof_id)
2999 {
3000 	struct ice_es *es = &hw->blk[blk].es;
3001 	u8 i;
3002 
3003 	/* For FD and RSS, we don't want to re-use an existed profile with the
3004 	 * same field vector and mask. This will cause rule interference.
3005 	 */
3006 	if (blk == ICE_BLK_FD || blk == ICE_BLK_RSS)
3007 		return ICE_ERR_DOES_NOT_EXIST;
3008 
3009 	for (i = 0; i < (u8)es->count; i++) {
3010 		u16 off = i * es->fvw;
3011 
3012 		if (memcmp(&es->t[off], fv, es->fvw * sizeof(*fv)))
3013 			continue;
3014 
3015 		/* check if masks settings are the same for this profile */
3016 		if (masks && !ice_prof_has_mask(hw, blk, i, masks))
3017 			continue;
3018 
3019 		*prof_id = i;
3020 		return ICE_SUCCESS;
3021 	}
3022 
3023 	return ICE_ERR_DOES_NOT_EXIST;
3024 }
3025 
3026 /**
3027  * ice_prof_id_rsrc_type - get profile ID resource type for a block type
3028  * @blk: the block type
3029  * @rsrc_type: pointer to variable to receive the resource type
3030  */
3031 static bool ice_prof_id_rsrc_type(enum ice_block blk, u16 *rsrc_type)
3032 {
3033 	switch (blk) {
3034 	case ICE_BLK_SW:
3035 		*rsrc_type = ICE_AQC_RES_TYPE_SWITCH_PROF_BLDR_PROFID;
3036 		break;
3037 	case ICE_BLK_ACL:
3038 		*rsrc_type = ICE_AQC_RES_TYPE_ACL_PROF_BLDR_PROFID;
3039 		break;
3040 	case ICE_BLK_FD:
3041 		*rsrc_type = ICE_AQC_RES_TYPE_FD_PROF_BLDR_PROFID;
3042 		break;
3043 	case ICE_BLK_RSS:
3044 		*rsrc_type = ICE_AQC_RES_TYPE_HASH_PROF_BLDR_PROFID;
3045 		break;
3046 	case ICE_BLK_PE:
3047 		*rsrc_type = ICE_AQC_RES_TYPE_QHASH_PROF_BLDR_PROFID;
3048 		break;
3049 	default:
3050 		return false;
3051 	}
3052 	return true;
3053 }
3054 
3055 /**
3056  * ice_tcam_ent_rsrc_type - get TCAM entry resource type for a block type
3057  * @blk: the block type
3058  * @rsrc_type: pointer to variable to receive the resource type
3059  */
3060 static bool ice_tcam_ent_rsrc_type(enum ice_block blk, u16 *rsrc_type)
3061 {
3062 	switch (blk) {
3063 	case ICE_BLK_SW:
3064 		*rsrc_type = ICE_AQC_RES_TYPE_SWITCH_PROF_BLDR_TCAM;
3065 		break;
3066 	case ICE_BLK_ACL:
3067 		*rsrc_type = ICE_AQC_RES_TYPE_ACL_PROF_BLDR_TCAM;
3068 		break;
3069 	case ICE_BLK_FD:
3070 		*rsrc_type = ICE_AQC_RES_TYPE_FD_PROF_BLDR_TCAM;
3071 		break;
3072 	case ICE_BLK_RSS:
3073 		*rsrc_type = ICE_AQC_RES_TYPE_HASH_PROF_BLDR_TCAM;
3074 		break;
3075 	case ICE_BLK_PE:
3076 		*rsrc_type = ICE_AQC_RES_TYPE_QHASH_PROF_BLDR_TCAM;
3077 		break;
3078 	default:
3079 		return false;
3080 	}
3081 	return true;
3082 }
3083 
3084 /**
3085  * ice_alloc_tcam_ent - allocate hardware TCAM entry
3086  * @hw: pointer to the HW struct
3087  * @blk: the block to allocate the TCAM for
3088  * @btm: true to allocate from bottom of table, false to allocate from top
3089  * @tcam_idx: pointer to variable to receive the TCAM entry
3090  *
3091  * This function allocates a new entry in a Profile ID TCAM for a specific
3092  * block.
3093  */
3094 static enum ice_status
3095 ice_alloc_tcam_ent(struct ice_hw *hw, enum ice_block blk, bool btm,
3096 		   u16 *tcam_idx)
3097 {
3098 	u16 res_type;
3099 
3100 	if (!ice_tcam_ent_rsrc_type(blk, &res_type))
3101 		return ICE_ERR_PARAM;
3102 
3103 	return ice_alloc_hw_res(hw, res_type, 1, btm, tcam_idx);
3104 }
3105 
3106 /**
3107  * ice_free_tcam_ent - free hardware TCAM entry
3108  * @hw: pointer to the HW struct
3109  * @blk: the block from which to free the TCAM entry
3110  * @tcam_idx: the TCAM entry to free
3111  *
3112  * This function frees an entry in a Profile ID TCAM for a specific block.
3113  */
3114 static enum ice_status
3115 ice_free_tcam_ent(struct ice_hw *hw, enum ice_block blk, u16 tcam_idx)
3116 {
3117 	u16 res_type;
3118 
3119 	if (!ice_tcam_ent_rsrc_type(blk, &res_type))
3120 		return ICE_ERR_PARAM;
3121 
3122 	return ice_free_hw_res(hw, res_type, 1, &tcam_idx);
3123 }
3124 
3125 /**
3126  * ice_alloc_prof_id - allocate profile ID
3127  * @hw: pointer to the HW struct
3128  * @blk: the block to allocate the profile ID for
3129  * @prof_id: pointer to variable to receive the profile ID
3130  *
3131  * This function allocates a new profile ID, which also corresponds to a Field
3132  * Vector (Extraction Sequence) entry.
3133  */
3134 static enum ice_status
3135 ice_alloc_prof_id(struct ice_hw *hw, enum ice_block blk, u8 *prof_id)
3136 {
3137 	enum ice_status status;
3138 	u16 res_type;
3139 	u16 get_prof;
3140 
3141 	if (!ice_prof_id_rsrc_type(blk, &res_type))
3142 		return ICE_ERR_PARAM;
3143 
3144 	status = ice_alloc_hw_res(hw, res_type, 1, false, &get_prof);
3145 	if (!status)
3146 		*prof_id = (u8)get_prof;
3147 
3148 	return status;
3149 }
3150 
3151 /**
3152  * ice_free_prof_id - free profile ID
3153  * @hw: pointer to the HW struct
3154  * @blk: the block from which to free the profile ID
3155  * @prof_id: the profile ID to free
3156  *
3157  * This function frees a profile ID, which also corresponds to a Field Vector.
3158  */
3159 static enum ice_status
3160 ice_free_prof_id(struct ice_hw *hw, enum ice_block blk, u8 prof_id)
3161 {
3162 	u16 tmp_prof_id = (u16)prof_id;
3163 	u16 res_type;
3164 
3165 	if (!ice_prof_id_rsrc_type(blk, &res_type))
3166 		return ICE_ERR_PARAM;
3167 
3168 	return ice_free_hw_res(hw, res_type, 1, &tmp_prof_id);
3169 }
3170 
3171 /**
3172  * ice_prof_inc_ref - increment reference count for profile
3173  * @hw: pointer to the HW struct
3174  * @blk: the block from which to free the profile ID
3175  * @prof_id: the profile ID for which to increment the reference count
3176  */
3177 static enum ice_status
3178 ice_prof_inc_ref(struct ice_hw *hw, enum ice_block blk, u8 prof_id)
3179 {
3180 	if (prof_id > hw->blk[blk].es.count)
3181 		return ICE_ERR_PARAM;
3182 
3183 	hw->blk[blk].es.ref_count[prof_id]++;
3184 
3185 	return ICE_SUCCESS;
3186 }
3187 
3188 /**
3189  * ice_write_prof_mask_reg - write profile mask register
3190  * @hw: pointer to the HW struct
3191  * @blk: hardware block
3192  * @mask_idx: mask index
3193  * @idx: index of the FV which will use the mask
3194  * @mask: the 16-bit mask
3195  */
3196 static void
3197 ice_write_prof_mask_reg(struct ice_hw *hw, enum ice_block blk, u16 mask_idx,
3198 			u16 idx, u16 mask)
3199 {
3200 	u32 offset;
3201 	u32 val;
3202 
3203 	switch (blk) {
3204 	case ICE_BLK_RSS:
3205 		offset = GLQF_HMASK(mask_idx);
3206 		val = (idx << GLQF_HMASK_MSK_INDEX_S) &
3207 			GLQF_HMASK_MSK_INDEX_M;
3208 		val |= (mask << GLQF_HMASK_MASK_S) & GLQF_HMASK_MASK_M;
3209 		break;
3210 	case ICE_BLK_FD:
3211 		offset = GLQF_FDMASK(mask_idx);
3212 		val = (idx << GLQF_FDMASK_MSK_INDEX_S) &
3213 			GLQF_FDMASK_MSK_INDEX_M;
3214 		val |= (mask << GLQF_FDMASK_MASK_S) &
3215 			GLQF_FDMASK_MASK_M;
3216 		break;
3217 	default:
3218 		ice_debug(hw, ICE_DBG_PKG, "No profile masks for block %d\n",
3219 			  blk);
3220 		return;
3221 	}
3222 
3223 	wr32(hw, offset, val);
3224 	ice_debug(hw, ICE_DBG_PKG, "write mask, blk %d (%d): %x = %x\n",
3225 		  blk, idx, offset, val);
3226 }
3227 
3228 /**
3229  * ice_write_prof_mask_enable_res - write profile mask enable register
3230  * @hw: pointer to the HW struct
3231  * @blk: hardware block
3232  * @prof_id: profile ID
3233  * @enable_mask: enable mask
3234  */
3235 static void
3236 ice_write_prof_mask_enable_res(struct ice_hw *hw, enum ice_block blk,
3237 			       u16 prof_id, u32 enable_mask)
3238 {
3239 	u32 offset;
3240 
3241 	switch (blk) {
3242 	case ICE_BLK_RSS:
3243 		offset = GLQF_HMASK_SEL(prof_id);
3244 		break;
3245 	case ICE_BLK_FD:
3246 		offset = GLQF_FDMASK_SEL(prof_id);
3247 		break;
3248 	default:
3249 		ice_debug(hw, ICE_DBG_PKG, "No profile masks for block %d\n",
3250 			  blk);
3251 		return;
3252 	}
3253 
3254 	wr32(hw, offset, enable_mask);
3255 	ice_debug(hw, ICE_DBG_PKG, "write mask enable, blk %d (%d): %x = %x\n",
3256 		  blk, prof_id, offset, enable_mask);
3257 }
3258 
3259 /**
3260  * ice_init_prof_masks - initial prof masks
3261  * @hw: pointer to the HW struct
3262  * @blk: hardware block
3263  */
3264 static void ice_init_prof_masks(struct ice_hw *hw, enum ice_block blk)
3265 {
3266 	u16 per_pf;
3267 	u16 i;
3268 
3269 	ice_init_lock(&hw->blk[blk].masks.lock);
3270 
3271 	per_pf = ICE_PROF_MASK_COUNT / hw->dev_caps.num_funcs;
3272 
3273 	hw->blk[blk].masks.count = per_pf;
3274 	hw->blk[blk].masks.first = hw->pf_id * per_pf;
3275 
3276 	ice_memset(hw->blk[blk].masks.masks, 0,
3277 		   sizeof(hw->blk[blk].masks.masks), ICE_NONDMA_MEM);
3278 
3279 	for (i = hw->blk[blk].masks.first;
3280 	     i < hw->blk[blk].masks.first + hw->blk[blk].masks.count; i++)
3281 		ice_write_prof_mask_reg(hw, blk, i, 0, 0);
3282 }
3283 
3284 /**
3285  * ice_init_all_prof_masks - initial all prof masks
3286  * @hw: pointer to the HW struct
3287  */
3288 void ice_init_all_prof_masks(struct ice_hw *hw)
3289 {
3290 	ice_init_prof_masks(hw, ICE_BLK_RSS);
3291 	ice_init_prof_masks(hw, ICE_BLK_FD);
3292 }
3293 
3294 /**
3295  * ice_alloc_prof_mask - allocate profile mask
3296  * @hw: pointer to the HW struct
3297  * @blk: hardware block
3298  * @idx: index of FV which will use the mask
3299  * @mask: the 16-bit mask
3300  * @mask_idx: variable to receive the mask index
3301  */
3302 static enum ice_status
3303 ice_alloc_prof_mask(struct ice_hw *hw, enum ice_block blk, u16 idx, u16 mask,
3304 		    u16 *mask_idx)
3305 {
3306 	bool found_unused = false, found_copy = false;
3307 	enum ice_status status = ICE_ERR_MAX_LIMIT;
3308 	u16 unused_idx = 0, copy_idx = 0;
3309 	u16 i;
3310 
3311 	if (blk != ICE_BLK_RSS && blk != ICE_BLK_FD)
3312 		return ICE_ERR_PARAM;
3313 
3314 	ice_acquire_lock(&hw->blk[blk].masks.lock);
3315 
3316 	for (i = hw->blk[blk].masks.first;
3317 	     i < hw->blk[blk].masks.first + hw->blk[blk].masks.count; i++)
3318 		if (hw->blk[blk].masks.masks[i].in_use) {
3319 			/* if mask is in use and it exactly duplicates the
3320 			 * desired mask and index, then in can be reused
3321 			 */
3322 			if (hw->blk[blk].masks.masks[i].mask == mask &&
3323 			    hw->blk[blk].masks.masks[i].idx == idx) {
3324 				found_copy = true;
3325 				copy_idx = i;
3326 				break;
3327 			}
3328 		} else {
3329 			/* save off unused index, but keep searching in case
3330 			 * there is an exact match later on
3331 			 */
3332 			if (!found_unused) {
3333 				found_unused = true;
3334 				unused_idx = i;
3335 			}
3336 		}
3337 
3338 	if (found_copy)
3339 		i = copy_idx;
3340 	else if (found_unused)
3341 		i = unused_idx;
3342 	else
3343 		goto err_ice_alloc_prof_mask;
3344 
3345 	/* update mask for a new entry */
3346 	if (found_unused) {
3347 		hw->blk[blk].masks.masks[i].in_use = true;
3348 		hw->blk[blk].masks.masks[i].mask = mask;
3349 		hw->blk[blk].masks.masks[i].idx = idx;
3350 		hw->blk[blk].masks.masks[i].ref = 0;
3351 		ice_write_prof_mask_reg(hw, blk, i, idx, mask);
3352 	}
3353 
3354 	hw->blk[blk].masks.masks[i].ref++;
3355 	*mask_idx = i;
3356 	status = ICE_SUCCESS;
3357 
3358 err_ice_alloc_prof_mask:
3359 	ice_release_lock(&hw->blk[blk].masks.lock);
3360 
3361 	return status;
3362 }
3363 
3364 /**
3365  * ice_free_prof_mask - free profile mask
3366  * @hw: pointer to the HW struct
3367  * @blk: hardware block
3368  * @mask_idx: index of mask
3369  */
3370 static enum ice_status
3371 ice_free_prof_mask(struct ice_hw *hw, enum ice_block blk, u16 mask_idx)
3372 {
3373 	if (blk != ICE_BLK_RSS && blk != ICE_BLK_FD)
3374 		return ICE_ERR_PARAM;
3375 
3376 	if (!(mask_idx >= hw->blk[blk].masks.first &&
3377 	      mask_idx < hw->blk[blk].masks.first + hw->blk[blk].masks.count))
3378 		return ICE_ERR_DOES_NOT_EXIST;
3379 
3380 	ice_acquire_lock(&hw->blk[blk].masks.lock);
3381 
3382 	if (!hw->blk[blk].masks.masks[mask_idx].in_use)
3383 		goto exit_ice_free_prof_mask;
3384 
3385 	if (hw->blk[blk].masks.masks[mask_idx].ref > 1) {
3386 		hw->blk[blk].masks.masks[mask_idx].ref--;
3387 		goto exit_ice_free_prof_mask;
3388 	}
3389 
3390 	/* remove mask */
3391 	hw->blk[blk].masks.masks[mask_idx].in_use = false;
3392 	hw->blk[blk].masks.masks[mask_idx].mask = 0;
3393 	hw->blk[blk].masks.masks[mask_idx].idx = 0;
3394 
3395 	/* update mask as unused entry */
3396 	ice_debug(hw, ICE_DBG_PKG, "Free mask, blk %d, mask %d\n", blk,
3397 		  mask_idx);
3398 	ice_write_prof_mask_reg(hw, blk, mask_idx, 0, 0);
3399 
3400 exit_ice_free_prof_mask:
3401 	ice_release_lock(&hw->blk[blk].masks.lock);
3402 
3403 	return ICE_SUCCESS;
3404 }
3405 
3406 /**
3407  * ice_free_prof_masks - free all profile masks for a profile
3408  * @hw: pointer to the HW struct
3409  * @blk: hardware block
3410  * @prof_id: profile ID
3411  */
3412 static enum ice_status
3413 ice_free_prof_masks(struct ice_hw *hw, enum ice_block blk, u16 prof_id)
3414 {
3415 	u32 mask_bm;
3416 	u16 i;
3417 
3418 	if (blk != ICE_BLK_RSS && blk != ICE_BLK_FD)
3419 		return ICE_ERR_PARAM;
3420 
3421 	mask_bm = hw->blk[blk].es.mask_ena[prof_id];
3422 	for (i = 0; i < BITS_PER_BYTE * sizeof(mask_bm); i++)
3423 		if (mask_bm & BIT(i))
3424 			ice_free_prof_mask(hw, blk, i);
3425 
3426 	return ICE_SUCCESS;
3427 }
3428 
3429 /**
3430  * ice_shutdown_prof_masks - releases lock for masking
3431  * @hw: pointer to the HW struct
3432  * @blk: hardware block
3433  *
3434  * This should be called before unloading the driver
3435  */
3436 static void ice_shutdown_prof_masks(struct ice_hw *hw, enum ice_block blk)
3437 {
3438 	u16 i;
3439 
3440 	ice_acquire_lock(&hw->blk[blk].masks.lock);
3441 
3442 	for (i = hw->blk[blk].masks.first;
3443 	     i < hw->blk[blk].masks.first + hw->blk[blk].masks.count; i++) {
3444 		ice_write_prof_mask_reg(hw, blk, i, 0, 0);
3445 
3446 		hw->blk[blk].masks.masks[i].in_use = false;
3447 		hw->blk[blk].masks.masks[i].idx = 0;
3448 		hw->blk[blk].masks.masks[i].mask = 0;
3449 	}
3450 
3451 	ice_release_lock(&hw->blk[blk].masks.lock);
3452 	ice_destroy_lock(&hw->blk[blk].masks.lock);
3453 }
3454 
3455 /**
3456  * ice_shutdown_all_prof_masks - releases all locks for masking
3457  * @hw: pointer to the HW struct
3458  *
3459  * This should be called before unloading the driver
3460  */
3461 void ice_shutdown_all_prof_masks(struct ice_hw *hw)
3462 {
3463 	ice_shutdown_prof_masks(hw, ICE_BLK_RSS);
3464 	ice_shutdown_prof_masks(hw, ICE_BLK_FD);
3465 }
3466 
3467 /**
3468  * ice_update_prof_masking - set registers according to masking
3469  * @hw: pointer to the HW struct
3470  * @blk: hardware block
3471  * @prof_id: profile ID
3472  * @masks: masks
3473  */
3474 static enum ice_status
3475 ice_update_prof_masking(struct ice_hw *hw, enum ice_block blk, u16 prof_id,
3476 			u16 *masks)
3477 {
3478 	bool err = false;
3479 	u32 ena_mask = 0;
3480 	u16 idx;
3481 	u16 i;
3482 
3483 	/* Only support FD and RSS masking, otherwise nothing to be done */
3484 	if (blk != ICE_BLK_RSS && blk != ICE_BLK_FD)
3485 		return ICE_SUCCESS;
3486 
3487 	for (i = 0; i < hw->blk[blk].es.fvw; i++)
3488 		if (masks[i] && masks[i] != 0xFFFF) {
3489 			if (!ice_alloc_prof_mask(hw, blk, i, masks[i], &idx)) {
3490 				ena_mask |= BIT(idx);
3491 			} else {
3492 				/* not enough bitmaps */
3493 				err = true;
3494 				break;
3495 			}
3496 		}
3497 
3498 	if (err) {
3499 		/* free any bitmaps we have allocated */
3500 		for (i = 0; i < BITS_PER_BYTE * sizeof(ena_mask); i++)
3501 			if (ena_mask & BIT(i))
3502 				ice_free_prof_mask(hw, blk, i);
3503 
3504 		return ICE_ERR_OUT_OF_RANGE;
3505 	}
3506 
3507 	/* enable the masks for this profile */
3508 	ice_write_prof_mask_enable_res(hw, blk, prof_id, ena_mask);
3509 
3510 	/* store enabled masks with profile so that they can be freed later */
3511 	hw->blk[blk].es.mask_ena[prof_id] = ena_mask;
3512 
3513 	return ICE_SUCCESS;
3514 }
3515 
3516 /**
3517  * ice_write_es - write an extraction sequence to hardware
3518  * @hw: pointer to the HW struct
3519  * @blk: the block in which to write the extraction sequence
3520  * @prof_id: the profile ID to write
3521  * @fv: pointer to the extraction sequence to write - NULL to clear extraction
3522  */
3523 static void
3524 ice_write_es(struct ice_hw *hw, enum ice_block blk, u8 prof_id,
3525 	     struct ice_fv_word *fv)
3526 {
3527 	u16 off;
3528 
3529 	off = prof_id * hw->blk[blk].es.fvw;
3530 	if (!fv) {
3531 		ice_memset(&hw->blk[blk].es.t[off], 0, hw->blk[blk].es.fvw *
3532 			   sizeof(*fv), ICE_NONDMA_MEM);
3533 		hw->blk[blk].es.written[prof_id] = false;
3534 	} else {
3535 		ice_memcpy(&hw->blk[blk].es.t[off], fv, hw->blk[blk].es.fvw *
3536 			   sizeof(*fv), ICE_NONDMA_TO_NONDMA);
3537 	}
3538 }
3539 
3540 /**
3541  * ice_prof_dec_ref - decrement reference count for profile
3542  * @hw: pointer to the HW struct
3543  * @blk: the block from which to free the profile ID
3544  * @prof_id: the profile ID for which to decrement the reference count
3545  */
3546 static enum ice_status
3547 ice_prof_dec_ref(struct ice_hw *hw, enum ice_block blk, u8 prof_id)
3548 {
3549 	if (prof_id > hw->blk[blk].es.count)
3550 		return ICE_ERR_PARAM;
3551 
3552 	if (hw->blk[blk].es.ref_count[prof_id] > 0) {
3553 		if (!--hw->blk[blk].es.ref_count[prof_id]) {
3554 			ice_write_es(hw, blk, prof_id, NULL);
3555 			ice_free_prof_masks(hw, blk, prof_id);
3556 			return ice_free_prof_id(hw, blk, prof_id);
3557 		}
3558 	}
3559 
3560 	return ICE_SUCCESS;
3561 }
3562 
3563 /* Block / table section IDs */
3564 static const u32 ice_blk_sids[ICE_BLK_COUNT][ICE_SID_OFF_COUNT] = {
3565 	/* SWITCH */
3566 	{	ICE_SID_XLT1_SW,
3567 		ICE_SID_XLT2_SW,
3568 		ICE_SID_PROFID_TCAM_SW,
3569 		ICE_SID_PROFID_REDIR_SW,
3570 		ICE_SID_FLD_VEC_SW
3571 	},
3572 
3573 	/* ACL */
3574 	{	ICE_SID_XLT1_ACL,
3575 		ICE_SID_XLT2_ACL,
3576 		ICE_SID_PROFID_TCAM_ACL,
3577 		ICE_SID_PROFID_REDIR_ACL,
3578 		ICE_SID_FLD_VEC_ACL
3579 	},
3580 
3581 	/* FD */
3582 	{	ICE_SID_XLT1_FD,
3583 		ICE_SID_XLT2_FD,
3584 		ICE_SID_PROFID_TCAM_FD,
3585 		ICE_SID_PROFID_REDIR_FD,
3586 		ICE_SID_FLD_VEC_FD
3587 	},
3588 
3589 	/* RSS */
3590 	{	ICE_SID_XLT1_RSS,
3591 		ICE_SID_XLT2_RSS,
3592 		ICE_SID_PROFID_TCAM_RSS,
3593 		ICE_SID_PROFID_REDIR_RSS,
3594 		ICE_SID_FLD_VEC_RSS
3595 	},
3596 
3597 	/* PE */
3598 	{	ICE_SID_XLT1_PE,
3599 		ICE_SID_XLT2_PE,
3600 		ICE_SID_PROFID_TCAM_PE,
3601 		ICE_SID_PROFID_REDIR_PE,
3602 		ICE_SID_FLD_VEC_PE
3603 	}
3604 };
3605 
3606 /**
3607  * ice_init_sw_xlt1_db - init software XLT1 database from HW tables
3608  * @hw: pointer to the hardware structure
3609  * @blk: the HW block to initialize
3610  */
3611 static void ice_init_sw_xlt1_db(struct ice_hw *hw, enum ice_block blk)
3612 {
3613 	u16 pt;
3614 
3615 	for (pt = 0; pt < hw->blk[blk].xlt1.count; pt++) {
3616 		u8 ptg;
3617 
3618 		ptg = hw->blk[blk].xlt1.t[pt];
3619 		if (ptg != ICE_DEFAULT_PTG) {
3620 			ice_ptg_alloc_val(hw, blk, ptg);
3621 			ice_ptg_add_mv_ptype(hw, blk, pt, ptg);
3622 		}
3623 	}
3624 }
3625 
3626 /**
3627  * ice_init_sw_xlt2_db - init software XLT2 database from HW tables
3628  * @hw: pointer to the hardware structure
3629  * @blk: the HW block to initialize
3630  */
3631 static void ice_init_sw_xlt2_db(struct ice_hw *hw, enum ice_block blk)
3632 {
3633 	u16 vsi;
3634 
3635 	for (vsi = 0; vsi < hw->blk[blk].xlt2.count; vsi++) {
3636 		u16 vsig;
3637 
3638 		vsig = hw->blk[blk].xlt2.t[vsi];
3639 		if (vsig) {
3640 			ice_vsig_alloc_val(hw, blk, vsig);
3641 			ice_vsig_add_mv_vsi(hw, blk, vsi, vsig);
3642 			/* no changes at this time, since this has been
3643 			 * initialized from the original package
3644 			 */
3645 			hw->blk[blk].xlt2.vsis[vsi].changed = 0;
3646 		}
3647 	}
3648 }
3649 
3650 /**
3651  * ice_init_sw_db - init software database from HW tables
3652  * @hw: pointer to the hardware structure
3653  */
3654 static void ice_init_sw_db(struct ice_hw *hw)
3655 {
3656 	u16 i;
3657 
3658 	for (i = 0; i < ICE_BLK_COUNT; i++) {
3659 		ice_init_sw_xlt1_db(hw, (enum ice_block)i);
3660 		ice_init_sw_xlt2_db(hw, (enum ice_block)i);
3661 	}
3662 }
3663 
3664 /**
3665  * ice_fill_tbl - Reads content of a single table type into database
3666  * @hw: pointer to the hardware structure
3667  * @block_id: Block ID of the table to copy
3668  * @sid: Section ID of the table to copy
3669  *
3670  * Will attempt to read the entire content of a given table of a single block
3671  * into the driver database. We assume that the buffer will always
3672  * be as large or larger than the data contained in the package. If
3673  * this condition is not met, there is most likely an error in the package
3674  * contents.
3675  */
3676 static void ice_fill_tbl(struct ice_hw *hw, enum ice_block block_id, u32 sid)
3677 {
3678 	u32 dst_len, sect_len, offset = 0;
3679 	struct ice_prof_redir_section *pr;
3680 	struct ice_prof_id_section *pid;
3681 	struct ice_xlt1_section *xlt1;
3682 	struct ice_xlt2_section *xlt2;
3683 	struct ice_sw_fv_section *es;
3684 	struct ice_pkg_enum state;
3685 	u8 *src, *dst;
3686 	void *sect;
3687 
3688 	/* if the HW segment pointer is null then the first iteration of
3689 	 * ice_pkg_enum_section() will fail. In this case the HW tables will
3690 	 * not be filled and return success.
3691 	 */
3692 	if (!hw->seg) {
3693 		ice_debug(hw, ICE_DBG_PKG, "hw->seg is NULL, tables are not filled\n");
3694 		return;
3695 	}
3696 
3697 	ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM);
3698 
3699 	sect = ice_pkg_enum_section(hw->seg, &state, sid);
3700 
3701 	while (sect) {
3702 		switch (sid) {
3703 		case ICE_SID_XLT1_SW:
3704 		case ICE_SID_XLT1_FD:
3705 		case ICE_SID_XLT1_RSS:
3706 		case ICE_SID_XLT1_ACL:
3707 		case ICE_SID_XLT1_PE:
3708 			xlt1 = (struct ice_xlt1_section *)sect;
3709 			src = xlt1->value;
3710 			sect_len = LE16_TO_CPU(xlt1->count) *
3711 				sizeof(*hw->blk[block_id].xlt1.t);
3712 			dst = hw->blk[block_id].xlt1.t;
3713 			dst_len = hw->blk[block_id].xlt1.count *
3714 				sizeof(*hw->blk[block_id].xlt1.t);
3715 			break;
3716 		case ICE_SID_XLT2_SW:
3717 		case ICE_SID_XLT2_FD:
3718 		case ICE_SID_XLT2_RSS:
3719 		case ICE_SID_XLT2_ACL:
3720 		case ICE_SID_XLT2_PE:
3721 			xlt2 = (struct ice_xlt2_section *)sect;
3722 			src = (_FORCE_ u8 *)xlt2->value;
3723 			sect_len = LE16_TO_CPU(xlt2->count) *
3724 				sizeof(*hw->blk[block_id].xlt2.t);
3725 			dst = (u8 *)hw->blk[block_id].xlt2.t;
3726 			dst_len = hw->blk[block_id].xlt2.count *
3727 				sizeof(*hw->blk[block_id].xlt2.t);
3728 			break;
3729 		case ICE_SID_PROFID_TCAM_SW:
3730 		case ICE_SID_PROFID_TCAM_FD:
3731 		case ICE_SID_PROFID_TCAM_RSS:
3732 		case ICE_SID_PROFID_TCAM_ACL:
3733 		case ICE_SID_PROFID_TCAM_PE:
3734 			pid = (struct ice_prof_id_section *)sect;
3735 			src = (u8 *)pid->entry;
3736 			sect_len = LE16_TO_CPU(pid->count) *
3737 				sizeof(*hw->blk[block_id].prof.t);
3738 			dst = (u8 *)hw->blk[block_id].prof.t;
3739 			dst_len = hw->blk[block_id].prof.count *
3740 				sizeof(*hw->blk[block_id].prof.t);
3741 			break;
3742 		case ICE_SID_PROFID_REDIR_SW:
3743 		case ICE_SID_PROFID_REDIR_FD:
3744 		case ICE_SID_PROFID_REDIR_RSS:
3745 		case ICE_SID_PROFID_REDIR_ACL:
3746 		case ICE_SID_PROFID_REDIR_PE:
3747 			pr = (struct ice_prof_redir_section *)sect;
3748 			src = pr->redir_value;
3749 			sect_len = LE16_TO_CPU(pr->count) *
3750 				sizeof(*hw->blk[block_id].prof_redir.t);
3751 			dst = hw->blk[block_id].prof_redir.t;
3752 			dst_len = hw->blk[block_id].prof_redir.count *
3753 				sizeof(*hw->blk[block_id].prof_redir.t);
3754 			break;
3755 		case ICE_SID_FLD_VEC_SW:
3756 		case ICE_SID_FLD_VEC_FD:
3757 		case ICE_SID_FLD_VEC_RSS:
3758 		case ICE_SID_FLD_VEC_ACL:
3759 		case ICE_SID_FLD_VEC_PE:
3760 			es = (struct ice_sw_fv_section *)sect;
3761 			src = (u8 *)es->fv;
3762 			sect_len = (u32)(LE16_TO_CPU(es->count) *
3763 					 hw->blk[block_id].es.fvw) *
3764 				sizeof(*hw->blk[block_id].es.t);
3765 			dst = (u8 *)hw->blk[block_id].es.t;
3766 			dst_len = (u32)(hw->blk[block_id].es.count *
3767 					hw->blk[block_id].es.fvw) *
3768 				sizeof(*hw->blk[block_id].es.t);
3769 			break;
3770 		default:
3771 			return;
3772 		}
3773 
3774 		/* if the section offset exceeds destination length, terminate
3775 		 * table fill.
3776 		 */
3777 		if (offset > dst_len)
3778 			return;
3779 
3780 		/* if the sum of section size and offset exceed destination size
3781 		 * then we are out of bounds of the HW table size for that PF.
3782 		 * Changing section length to fill the remaining table space
3783 		 * of that PF.
3784 		 */
3785 		if ((offset + sect_len) > dst_len)
3786 			sect_len = dst_len - offset;
3787 
3788 		ice_memcpy(dst + offset, src, sect_len, ICE_NONDMA_TO_NONDMA);
3789 		offset += sect_len;
3790 		sect = ice_pkg_enum_section(NULL, &state, sid);
3791 	}
3792 }
3793 
3794 /**
3795  * ice_fill_blk_tbls - Read package context for tables
3796  * @hw: pointer to the hardware structure
3797  *
3798  * Reads the current package contents and populates the driver
3799  * database with the data iteratively for all advanced feature
3800  * blocks. Assume that the HW tables have been allocated.
3801  */
3802 void ice_fill_blk_tbls(struct ice_hw *hw)
3803 {
3804 	u8 i;
3805 
3806 	for (i = 0; i < ICE_BLK_COUNT; i++) {
3807 		enum ice_block blk_id = (enum ice_block)i;
3808 
3809 		ice_fill_tbl(hw, blk_id, hw->blk[blk_id].xlt1.sid);
3810 		ice_fill_tbl(hw, blk_id, hw->blk[blk_id].xlt2.sid);
3811 		ice_fill_tbl(hw, blk_id, hw->blk[blk_id].prof.sid);
3812 		ice_fill_tbl(hw, blk_id, hw->blk[blk_id].prof_redir.sid);
3813 		ice_fill_tbl(hw, blk_id, hw->blk[blk_id].es.sid);
3814 	}
3815 
3816 	ice_init_sw_db(hw);
3817 }
3818 
3819 /**
3820  * ice_free_prof_map - free profile map
3821  * @hw: pointer to the hardware structure
3822  * @blk_idx: HW block index
3823  */
3824 static void ice_free_prof_map(struct ice_hw *hw, u8 blk_idx)
3825 {
3826 	struct ice_es *es = &hw->blk[blk_idx].es;
3827 	struct ice_prof_map *del, *tmp;
3828 
3829 	ice_acquire_lock(&es->prof_map_lock);
3830 	LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &es->prof_map,
3831 				 ice_prof_map, list) {
3832 		LIST_DEL(&del->list);
3833 		ice_free(hw, del);
3834 	}
3835 	INIT_LIST_HEAD(&es->prof_map);
3836 	ice_release_lock(&es->prof_map_lock);
3837 }
3838 
3839 /**
3840  * ice_free_flow_profs - free flow profile entries
3841  * @hw: pointer to the hardware structure
3842  * @blk_idx: HW block index
3843  */
3844 static void ice_free_flow_profs(struct ice_hw *hw, u8 blk_idx)
3845 {
3846 	struct ice_flow_prof *p, *tmp;
3847 
3848 	ice_acquire_lock(&hw->fl_profs_locks[blk_idx]);
3849 	LIST_FOR_EACH_ENTRY_SAFE(p, tmp, &hw->fl_profs[blk_idx],
3850 				 ice_flow_prof, l_entry) {
3851 		struct ice_flow_entry *e, *t;
3852 
3853 		LIST_FOR_EACH_ENTRY_SAFE(e, t, &p->entries,
3854 					 ice_flow_entry, l_entry)
3855 			ice_flow_rem_entry(hw, (enum ice_block)blk_idx,
3856 					   ICE_FLOW_ENTRY_HNDL(e));
3857 
3858 		LIST_DEL(&p->l_entry);
3859 		if (p->acts)
3860 			ice_free(hw, p->acts);
3861 
3862 		ice_destroy_lock(&p->entries_lock);
3863 		ice_free(hw, p);
3864 	}
3865 	ice_release_lock(&hw->fl_profs_locks[blk_idx]);
3866 
3867 	/* if driver is in reset and tables are being cleared
3868 	 * re-initialize the flow profile list heads
3869 	 */
3870 	INIT_LIST_HEAD(&hw->fl_profs[blk_idx]);
3871 }
3872 
3873 /**
3874  * ice_free_vsig_tbl - free complete VSIG table entries
3875  * @hw: pointer to the hardware structure
3876  * @blk: the HW block on which to free the VSIG table entries
3877  */
3878 static void ice_free_vsig_tbl(struct ice_hw *hw, enum ice_block blk)
3879 {
3880 	u16 i;
3881 
3882 	if (!hw->blk[blk].xlt2.vsig_tbl)
3883 		return;
3884 
3885 	for (i = 1; i < ICE_MAX_VSIGS; i++)
3886 		if (hw->blk[blk].xlt2.vsig_tbl[i].in_use)
3887 			ice_vsig_free(hw, blk, i);
3888 }
3889 
3890 /**
3891  * ice_free_hw_tbls - free hardware table memory
3892  * @hw: pointer to the hardware structure
3893  */
3894 void ice_free_hw_tbls(struct ice_hw *hw)
3895 {
3896 	struct ice_rss_cfg *r, *rt;
3897 	u8 i;
3898 
3899 	for (i = 0; i < ICE_BLK_COUNT; i++) {
3900 		if (hw->blk[i].is_list_init) {
3901 			struct ice_es *es = &hw->blk[i].es;
3902 
3903 			ice_free_prof_map(hw, i);
3904 			ice_destroy_lock(&es->prof_map_lock);
3905 			ice_free_flow_profs(hw, i);
3906 			ice_destroy_lock(&hw->fl_profs_locks[i]);
3907 
3908 			hw->blk[i].is_list_init = false;
3909 		}
3910 		ice_free_vsig_tbl(hw, (enum ice_block)i);
3911 		ice_free(hw, hw->blk[i].xlt1.ptypes);
3912 		ice_free(hw, hw->blk[i].xlt1.ptg_tbl);
3913 		ice_free(hw, hw->blk[i].xlt1.t);
3914 		ice_free(hw, hw->blk[i].xlt2.t);
3915 		ice_free(hw, hw->blk[i].xlt2.vsig_tbl);
3916 		ice_free(hw, hw->blk[i].xlt2.vsis);
3917 		ice_free(hw, hw->blk[i].prof.t);
3918 		ice_free(hw, hw->blk[i].prof_redir.t);
3919 		ice_free(hw, hw->blk[i].es.t);
3920 		ice_free(hw, hw->blk[i].es.ref_count);
3921 		ice_free(hw, hw->blk[i].es.written);
3922 		ice_free(hw, hw->blk[i].es.mask_ena);
3923 	}
3924 
3925 	LIST_FOR_EACH_ENTRY_SAFE(r, rt, &hw->rss_list_head,
3926 				 ice_rss_cfg, l_entry) {
3927 		LIST_DEL(&r->l_entry);
3928 		ice_free(hw, r);
3929 	}
3930 	ice_destroy_lock(&hw->rss_locks);
3931 	if (!hw->dcf_enabled)
3932 		ice_shutdown_all_prof_masks(hw);
3933 	ice_memset(hw->blk, 0, sizeof(hw->blk), ICE_NONDMA_MEM);
3934 }
3935 
3936 /**
3937  * ice_init_flow_profs - init flow profile locks and list heads
3938  * @hw: pointer to the hardware structure
3939  * @blk_idx: HW block index
3940  */
3941 static void ice_init_flow_profs(struct ice_hw *hw, u8 blk_idx)
3942 {
3943 	ice_init_lock(&hw->fl_profs_locks[blk_idx]);
3944 	INIT_LIST_HEAD(&hw->fl_profs[blk_idx]);
3945 }
3946 
3947 /**
3948  * ice_clear_hw_tbls - clear HW tables and flow profiles
3949  * @hw: pointer to the hardware structure
3950  */
3951 void ice_clear_hw_tbls(struct ice_hw *hw)
3952 {
3953 	u8 i;
3954 
3955 	for (i = 0; i < ICE_BLK_COUNT; i++) {
3956 		struct ice_prof_redir *prof_redir = &hw->blk[i].prof_redir;
3957 		struct ice_prof_tcam *prof = &hw->blk[i].prof;
3958 		struct ice_xlt1 *xlt1 = &hw->blk[i].xlt1;
3959 		struct ice_xlt2 *xlt2 = &hw->blk[i].xlt2;
3960 		struct ice_es *es = &hw->blk[i].es;
3961 
3962 		if (hw->blk[i].is_list_init) {
3963 			ice_free_prof_map(hw, i);
3964 			ice_free_flow_profs(hw, i);
3965 		}
3966 
3967 		ice_free_vsig_tbl(hw, (enum ice_block)i);
3968 
3969 		ice_memset(xlt1->ptypes, 0, xlt1->count * sizeof(*xlt1->ptypes),
3970 			   ICE_NONDMA_MEM);
3971 		ice_memset(xlt1->ptg_tbl, 0,
3972 			   ICE_MAX_PTGS * sizeof(*xlt1->ptg_tbl),
3973 			   ICE_NONDMA_MEM);
3974 		ice_memset(xlt1->t, 0, xlt1->count * sizeof(*xlt1->t),
3975 			   ICE_NONDMA_MEM);
3976 
3977 		ice_memset(xlt2->vsis, 0, xlt2->count * sizeof(*xlt2->vsis),
3978 			   ICE_NONDMA_MEM);
3979 		ice_memset(xlt2->vsig_tbl, 0,
3980 			   xlt2->count * sizeof(*xlt2->vsig_tbl),
3981 			   ICE_NONDMA_MEM);
3982 		ice_memset(xlt2->t, 0, xlt2->count * sizeof(*xlt2->t),
3983 			   ICE_NONDMA_MEM);
3984 
3985 		ice_memset(prof->t, 0, prof->count * sizeof(*prof->t),
3986 			   ICE_NONDMA_MEM);
3987 		ice_memset(prof_redir->t, 0,
3988 			   prof_redir->count * sizeof(*prof_redir->t),
3989 			   ICE_NONDMA_MEM);
3990 
3991 		ice_memset(es->t, 0, es->count * sizeof(*es->t) * es->fvw,
3992 			   ICE_NONDMA_MEM);
3993 		ice_memset(es->ref_count, 0, es->count * sizeof(*es->ref_count),
3994 			   ICE_NONDMA_MEM);
3995 		ice_memset(es->written, 0, es->count * sizeof(*es->written),
3996 			   ICE_NONDMA_MEM);
3997 		ice_memset(es->mask_ena, 0, es->count * sizeof(*es->mask_ena),
3998 			   ICE_NONDMA_MEM);
3999 	}
4000 }
4001 
4002 /**
4003  * ice_init_hw_tbls - init hardware table memory
4004  * @hw: pointer to the hardware structure
4005  */
4006 enum ice_status ice_init_hw_tbls(struct ice_hw *hw)
4007 {
4008 	u8 i;
4009 
4010 	ice_init_lock(&hw->rss_locks);
4011 	INIT_LIST_HEAD(&hw->rss_list_head);
4012 	if (!hw->dcf_enabled)
4013 		ice_init_all_prof_masks(hw);
4014 	for (i = 0; i < ICE_BLK_COUNT; i++) {
4015 		struct ice_prof_redir *prof_redir = &hw->blk[i].prof_redir;
4016 		struct ice_prof_tcam *prof = &hw->blk[i].prof;
4017 		struct ice_xlt1 *xlt1 = &hw->blk[i].xlt1;
4018 		struct ice_xlt2 *xlt2 = &hw->blk[i].xlt2;
4019 		struct ice_es *es = &hw->blk[i].es;
4020 		u16 j;
4021 
4022 		if (hw->blk[i].is_list_init)
4023 			continue;
4024 
4025 		ice_init_flow_profs(hw, i);
4026 		ice_init_lock(&es->prof_map_lock);
4027 		INIT_LIST_HEAD(&es->prof_map);
4028 		hw->blk[i].is_list_init = true;
4029 
4030 		hw->blk[i].overwrite = blk_sizes[i].overwrite;
4031 		es->reverse = blk_sizes[i].reverse;
4032 
4033 		xlt1->sid = ice_blk_sids[i][ICE_SID_XLT1_OFF];
4034 		xlt1->count = blk_sizes[i].xlt1;
4035 
4036 		xlt1->ptypes = (struct ice_ptg_ptype *)
4037 			ice_calloc(hw, xlt1->count, sizeof(*xlt1->ptypes));
4038 
4039 		if (!xlt1->ptypes)
4040 			goto err;
4041 
4042 		xlt1->ptg_tbl = (struct ice_ptg_entry *)
4043 			ice_calloc(hw, ICE_MAX_PTGS, sizeof(*xlt1->ptg_tbl));
4044 
4045 		if (!xlt1->ptg_tbl)
4046 			goto err;
4047 
4048 		xlt1->t = (u8 *)ice_calloc(hw, xlt1->count, sizeof(*xlt1->t));
4049 		if (!xlt1->t)
4050 			goto err;
4051 
4052 		xlt2->sid = ice_blk_sids[i][ICE_SID_XLT2_OFF];
4053 		xlt2->count = blk_sizes[i].xlt2;
4054 
4055 		xlt2->vsis = (struct ice_vsig_vsi *)
4056 			ice_calloc(hw, xlt2->count, sizeof(*xlt2->vsis));
4057 
4058 		if (!xlt2->vsis)
4059 			goto err;
4060 
4061 		xlt2->vsig_tbl = (struct ice_vsig_entry *)
4062 			ice_calloc(hw, xlt2->count, sizeof(*xlt2->vsig_tbl));
4063 		if (!xlt2->vsig_tbl)
4064 			goto err;
4065 
4066 		for (j = 0; j < xlt2->count; j++)
4067 			INIT_LIST_HEAD(&xlt2->vsig_tbl[j].prop_lst);
4068 
4069 		xlt2->t = (u16 *)ice_calloc(hw, xlt2->count, sizeof(*xlt2->t));
4070 		if (!xlt2->t)
4071 			goto err;
4072 
4073 		prof->sid = ice_blk_sids[i][ICE_SID_PR_OFF];
4074 		prof->count = blk_sizes[i].prof_tcam;
4075 		prof->max_prof_id = blk_sizes[i].prof_id;
4076 		prof->cdid_bits = blk_sizes[i].prof_cdid_bits;
4077 		prof->t = (struct ice_prof_tcam_entry *)
4078 			ice_calloc(hw, prof->count, sizeof(*prof->t));
4079 
4080 		if (!prof->t)
4081 			goto err;
4082 
4083 		prof_redir->sid = ice_blk_sids[i][ICE_SID_PR_REDIR_OFF];
4084 		prof_redir->count = blk_sizes[i].prof_redir;
4085 		prof_redir->t = (u8 *)ice_calloc(hw, prof_redir->count,
4086 						 sizeof(*prof_redir->t));
4087 
4088 		if (!prof_redir->t)
4089 			goto err;
4090 
4091 		es->sid = ice_blk_sids[i][ICE_SID_ES_OFF];
4092 		es->count = blk_sizes[i].es;
4093 		es->fvw = blk_sizes[i].fvw;
4094 		es->t = (struct ice_fv_word *)
4095 			ice_calloc(hw, (u32)(es->count * es->fvw),
4096 				   sizeof(*es->t));
4097 		if (!es->t)
4098 			goto err;
4099 
4100 		es->ref_count = (u16 *)
4101 			ice_calloc(hw, es->count, sizeof(*es->ref_count));
4102 
4103 		if (!es->ref_count)
4104 			goto err;
4105 
4106 		es->written = (u8 *)
4107 			ice_calloc(hw, es->count, sizeof(*es->written));
4108 
4109 		if (!es->written)
4110 			goto err;
4111 
4112 		es->mask_ena = (u32 *)
4113 			ice_calloc(hw, es->count, sizeof(*es->mask_ena));
4114 
4115 		if (!es->mask_ena)
4116 			goto err;
4117 	}
4118 	return ICE_SUCCESS;
4119 
4120 err:
4121 	ice_free_hw_tbls(hw);
4122 	return ICE_ERR_NO_MEMORY;
4123 }
4124 
4125 /**
4126  * ice_prof_gen_key - generate profile ID key
4127  * @hw: pointer to the HW struct
4128  * @blk: the block in which to write profile ID to
4129  * @ptg: packet type group (PTG) portion of key
4130  * @vsig: VSIG portion of key
4131  * @cdid: CDID portion of key
4132  * @flags: flag portion of key
4133  * @vl_msk: valid mask
4134  * @dc_msk: don't care mask
4135  * @nm_msk: never match mask
4136  * @key: output of profile ID key
4137  */
4138 static enum ice_status
4139 ice_prof_gen_key(struct ice_hw *hw, enum ice_block blk, u8 ptg, u16 vsig,
4140 		 u8 cdid, u16 flags, u8 vl_msk[ICE_TCAM_KEY_VAL_SZ],
4141 		 u8 dc_msk[ICE_TCAM_KEY_VAL_SZ], u8 nm_msk[ICE_TCAM_KEY_VAL_SZ],
4142 		 u8 key[ICE_TCAM_KEY_SZ])
4143 {
4144 	struct ice_prof_id_key inkey;
4145 
4146 	inkey.xlt1 = ptg;
4147 	inkey.xlt2_cdid = CPU_TO_LE16(vsig);
4148 	inkey.flags = CPU_TO_LE16(flags);
4149 
4150 	switch (hw->blk[blk].prof.cdid_bits) {
4151 	case 0:
4152 		break;
4153 	case 2:
4154 #define ICE_CD_2_M 0xC000U
4155 #define ICE_CD_2_S 14
4156 		inkey.xlt2_cdid &= ~CPU_TO_LE16(ICE_CD_2_M);
4157 		inkey.xlt2_cdid |= CPU_TO_LE16(BIT(cdid) << ICE_CD_2_S);
4158 		break;
4159 	case 4:
4160 #define ICE_CD_4_M 0xF000U
4161 #define ICE_CD_4_S 12
4162 		inkey.xlt2_cdid &= ~CPU_TO_LE16(ICE_CD_4_M);
4163 		inkey.xlt2_cdid |= CPU_TO_LE16(BIT(cdid) << ICE_CD_4_S);
4164 		break;
4165 	case 8:
4166 #define ICE_CD_8_M 0xFF00U
4167 #define ICE_CD_8_S 16
4168 		inkey.xlt2_cdid &= ~CPU_TO_LE16(ICE_CD_8_M);
4169 		inkey.xlt2_cdid |= CPU_TO_LE16(BIT(cdid) << ICE_CD_8_S);
4170 		break;
4171 	default:
4172 		ice_debug(hw, ICE_DBG_PKG, "Error in profile config\n");
4173 		break;
4174 	}
4175 
4176 	return ice_set_key(key, ICE_TCAM_KEY_SZ, (u8 *)&inkey, vl_msk, dc_msk,
4177 			   nm_msk, 0, ICE_TCAM_KEY_SZ / 2);
4178 }
4179 
4180 /**
4181  * ice_tcam_write_entry - write TCAM entry
4182  * @hw: pointer to the HW struct
4183  * @blk: the block in which to write profile ID to
4184  * @idx: the entry index to write to
4185  * @prof_id: profile ID
4186  * @ptg: packet type group (PTG) portion of key
4187  * @vsig: VSIG portion of key
4188  * @cdid: CDID portion of key
4189  * @flags: flag portion of key
4190  * @vl_msk: valid mask
4191  * @dc_msk: don't care mask
4192  * @nm_msk: never match mask
4193  */
4194 static enum ice_status
4195 ice_tcam_write_entry(struct ice_hw *hw, enum ice_block blk, u16 idx,
4196 		     u8 prof_id, u8 ptg, u16 vsig, u8 cdid, u16 flags,
4197 		     u8 vl_msk[ICE_TCAM_KEY_VAL_SZ],
4198 		     u8 dc_msk[ICE_TCAM_KEY_VAL_SZ],
4199 		     u8 nm_msk[ICE_TCAM_KEY_VAL_SZ])
4200 {
4201 	struct ice_prof_tcam_entry;
4202 	enum ice_status status;
4203 
4204 	status = ice_prof_gen_key(hw, blk, ptg, vsig, cdid, flags, vl_msk,
4205 				  dc_msk, nm_msk, hw->blk[blk].prof.t[idx].key);
4206 	if (!status) {
4207 		hw->blk[blk].prof.t[idx].addr = CPU_TO_LE16(idx);
4208 		hw->blk[blk].prof.t[idx].prof_id = prof_id;
4209 	}
4210 
4211 	return status;
4212 }
4213 
4214 /**
4215  * ice_vsig_get_ref - returns number of VSIs belong to a VSIG
4216  * @hw: pointer to the hardware structure
4217  * @blk: HW block
4218  * @vsig: VSIG to query
4219  * @refs: pointer to variable to receive the reference count
4220  */
4221 static enum ice_status
4222 ice_vsig_get_ref(struct ice_hw *hw, enum ice_block blk, u16 vsig, u16 *refs)
4223 {
4224 	u16 idx = vsig & ICE_VSIG_IDX_M;
4225 	struct ice_vsig_vsi *ptr;
4226 
4227 	*refs = 0;
4228 
4229 	if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use)
4230 		return ICE_ERR_DOES_NOT_EXIST;
4231 
4232 	ptr = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
4233 	while (ptr) {
4234 		(*refs)++;
4235 		ptr = ptr->next_vsi;
4236 	}
4237 
4238 	return ICE_SUCCESS;
4239 }
4240 
4241 /**
4242  * ice_has_prof_vsig - check to see if VSIG has a specific profile
4243  * @hw: pointer to the hardware structure
4244  * @blk: HW block
4245  * @vsig: VSIG to check against
4246  * @hdl: profile handle
4247  */
4248 static bool
4249 ice_has_prof_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl)
4250 {
4251 	u16 idx = vsig & ICE_VSIG_IDX_M;
4252 	struct ice_vsig_prof *ent;
4253 
4254 	LIST_FOR_EACH_ENTRY(ent, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
4255 			    ice_vsig_prof, list)
4256 		if (ent->profile_cookie == hdl)
4257 			return true;
4258 
4259 	ice_debug(hw, ICE_DBG_INIT, "Characteristic list for VSI group %d not found.\n",
4260 		  vsig);
4261 	return false;
4262 }
4263 
4264 /**
4265  * ice_prof_bld_es - build profile ID extraction sequence changes
4266  * @hw: pointer to the HW struct
4267  * @blk: hardware block
4268  * @bld: the update package buffer build to add to
4269  * @chgs: the list of changes to make in hardware
4270  */
4271 static enum ice_status
4272 ice_prof_bld_es(struct ice_hw *hw, enum ice_block blk,
4273 		struct ice_buf_build *bld, struct LIST_HEAD_TYPE *chgs)
4274 {
4275 	u16 vec_size = hw->blk[blk].es.fvw * sizeof(struct ice_fv_word);
4276 	struct ice_chs_chg *tmp;
4277 
4278 	LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry)
4279 		if (tmp->type == ICE_PTG_ES_ADD && tmp->add_prof) {
4280 			u16 off = tmp->prof_id * hw->blk[blk].es.fvw;
4281 			struct ice_pkg_es *p;
4282 			u32 id;
4283 
4284 			id = ice_sect_id(blk, ICE_VEC_TBL);
4285 			p = (struct ice_pkg_es *)
4286 				ice_pkg_buf_alloc_section(bld, id,
4287 							  ice_struct_size(p, es,
4288 									  1) +
4289 							  vec_size -
4290 							  sizeof(p->es[0]));
4291 
4292 			if (!p)
4293 				return ICE_ERR_MAX_LIMIT;
4294 
4295 			p->count = CPU_TO_LE16(1);
4296 			p->offset = CPU_TO_LE16(tmp->prof_id);
4297 
4298 			ice_memcpy(p->es, &hw->blk[blk].es.t[off], vec_size,
4299 				   ICE_NONDMA_TO_NONDMA);
4300 		}
4301 
4302 	return ICE_SUCCESS;
4303 }
4304 
4305 /**
4306  * ice_prof_bld_tcam - build profile ID TCAM changes
4307  * @hw: pointer to the HW struct
4308  * @blk: hardware block
4309  * @bld: the update package buffer build to add to
4310  * @chgs: the list of changes to make in hardware
4311  */
4312 static enum ice_status
4313 ice_prof_bld_tcam(struct ice_hw *hw, enum ice_block blk,
4314 		  struct ice_buf_build *bld, struct LIST_HEAD_TYPE *chgs)
4315 {
4316 	struct ice_chs_chg *tmp;
4317 
4318 	LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry)
4319 		if (tmp->type == ICE_TCAM_ADD && tmp->add_tcam_idx) {
4320 			struct ice_prof_id_section *p;
4321 			u32 id;
4322 
4323 			id = ice_sect_id(blk, ICE_PROF_TCAM);
4324 			p = (struct ice_prof_id_section *)
4325 				ice_pkg_buf_alloc_section(bld, id,
4326 							  ice_struct_size(p,
4327 									  entry,
4328 									  1));
4329 
4330 			if (!p)
4331 				return ICE_ERR_MAX_LIMIT;
4332 
4333 			p->count = CPU_TO_LE16(1);
4334 			p->entry[0].addr = CPU_TO_LE16(tmp->tcam_idx);
4335 			p->entry[0].prof_id = tmp->prof_id;
4336 
4337 			ice_memcpy(p->entry[0].key,
4338 				   &hw->blk[blk].prof.t[tmp->tcam_idx].key,
4339 				   sizeof(hw->blk[blk].prof.t->key),
4340 				   ICE_NONDMA_TO_NONDMA);
4341 		}
4342 
4343 	return ICE_SUCCESS;
4344 }
4345 
4346 /**
4347  * ice_prof_bld_xlt1 - build XLT1 changes
4348  * @blk: hardware block
4349  * @bld: the update package buffer build to add to
4350  * @chgs: the list of changes to make in hardware
4351  */
4352 static enum ice_status
4353 ice_prof_bld_xlt1(enum ice_block blk, struct ice_buf_build *bld,
4354 		  struct LIST_HEAD_TYPE *chgs)
4355 {
4356 	struct ice_chs_chg *tmp;
4357 
4358 	LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry)
4359 		if (tmp->type == ICE_PTG_ES_ADD && tmp->add_ptg) {
4360 			struct ice_xlt1_section *p;
4361 			u32 id;
4362 
4363 			id = ice_sect_id(blk, ICE_XLT1);
4364 			p = (struct ice_xlt1_section *)
4365 				ice_pkg_buf_alloc_section(bld, id,
4366 							  ice_struct_size(p,
4367 									  value,
4368 									  1));
4369 
4370 			if (!p)
4371 				return ICE_ERR_MAX_LIMIT;
4372 
4373 			p->count = CPU_TO_LE16(1);
4374 			p->offset = CPU_TO_LE16(tmp->ptype);
4375 			p->value[0] = tmp->ptg;
4376 		}
4377 
4378 	return ICE_SUCCESS;
4379 }
4380 
4381 /**
4382  * ice_prof_bld_xlt2 - build XLT2 changes
4383  * @blk: hardware block
4384  * @bld: the update package buffer build to add to
4385  * @chgs: the list of changes to make in hardware
4386  */
4387 static enum ice_status
4388 ice_prof_bld_xlt2(enum ice_block blk, struct ice_buf_build *bld,
4389 		  struct LIST_HEAD_TYPE *chgs)
4390 {
4391 	struct ice_chs_chg *tmp;
4392 
4393 	LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry) {
4394 		struct ice_xlt2_section *p;
4395 		u32 id;
4396 
4397 		switch (tmp->type) {
4398 		case ICE_VSIG_ADD:
4399 		case ICE_VSI_MOVE:
4400 		case ICE_VSIG_REM:
4401 			id = ice_sect_id(blk, ICE_XLT2);
4402 			p = (struct ice_xlt2_section *)
4403 				ice_pkg_buf_alloc_section(bld, id,
4404 							  ice_struct_size(p,
4405 									  value,
4406 									  1));
4407 
4408 			if (!p)
4409 				return ICE_ERR_MAX_LIMIT;
4410 
4411 			p->count = CPU_TO_LE16(1);
4412 			p->offset = CPU_TO_LE16(tmp->vsi);
4413 			p->value[0] = CPU_TO_LE16(tmp->vsig);
4414 			break;
4415 		default:
4416 			break;
4417 		}
4418 	}
4419 
4420 	return ICE_SUCCESS;
4421 }
4422 
4423 /**
4424  * ice_upd_prof_hw - update hardware using the change list
4425  * @hw: pointer to the HW struct
4426  * @blk: hardware block
4427  * @chgs: the list of changes to make in hardware
4428  */
4429 static enum ice_status
4430 ice_upd_prof_hw(struct ice_hw *hw, enum ice_block blk,
4431 		struct LIST_HEAD_TYPE *chgs)
4432 {
4433 	struct ice_buf_build *b;
4434 	struct ice_chs_chg *tmp;
4435 	enum ice_status status;
4436 	u16 pkg_sects;
4437 	u16 xlt1 = 0;
4438 	u16 xlt2 = 0;
4439 	u16 tcam = 0;
4440 	u16 es = 0;
4441 	u16 sects;
4442 
4443 	/* count number of sections we need */
4444 	LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry) {
4445 		switch (tmp->type) {
4446 		case ICE_PTG_ES_ADD:
4447 			if (tmp->add_ptg)
4448 				xlt1++;
4449 			if (tmp->add_prof)
4450 				es++;
4451 			break;
4452 		case ICE_TCAM_ADD:
4453 			tcam++;
4454 			break;
4455 		case ICE_VSIG_ADD:
4456 		case ICE_VSI_MOVE:
4457 		case ICE_VSIG_REM:
4458 			xlt2++;
4459 			break;
4460 		default:
4461 			break;
4462 		}
4463 	}
4464 	sects = xlt1 + xlt2 + tcam + es;
4465 
4466 	if (!sects)
4467 		return ICE_SUCCESS;
4468 
4469 	/* Build update package buffer */
4470 	b = ice_pkg_buf_alloc(hw);
4471 	if (!b)
4472 		return ICE_ERR_NO_MEMORY;
4473 
4474 	status = ice_pkg_buf_reserve_section(b, sects);
4475 	if (status)
4476 		goto error_tmp;
4477 
4478 	/* Preserve order of table update: ES, TCAM, PTG, VSIG */
4479 	if (es) {
4480 		status = ice_prof_bld_es(hw, blk, b, chgs);
4481 		if (status)
4482 			goto error_tmp;
4483 	}
4484 
4485 	if (tcam) {
4486 		status = ice_prof_bld_tcam(hw, blk, b, chgs);
4487 		if (status)
4488 			goto error_tmp;
4489 	}
4490 
4491 	if (xlt1) {
4492 		status = ice_prof_bld_xlt1(blk, b, chgs);
4493 		if (status)
4494 			goto error_tmp;
4495 	}
4496 
4497 	if (xlt2) {
4498 		status = ice_prof_bld_xlt2(blk, b, chgs);
4499 		if (status)
4500 			goto error_tmp;
4501 	}
4502 
4503 	/* After package buffer build check if the section count in buffer is
4504 	 * non-zero and matches the number of sections detected for package
4505 	 * update.
4506 	 */
4507 	pkg_sects = ice_pkg_buf_get_active_sections(b);
4508 	if (!pkg_sects || pkg_sects != sects) {
4509 		status = ICE_ERR_INVAL_SIZE;
4510 		goto error_tmp;
4511 	}
4512 
4513 	/* update package */
4514 	status = ice_update_pkg(hw, ice_pkg_buf(b), 1);
4515 	if (status == ICE_ERR_AQ_ERROR)
4516 		ice_debug(hw, ICE_DBG_INIT, "Unable to update HW profile\n");
4517 
4518 error_tmp:
4519 	ice_pkg_buf_free(hw, b);
4520 	return status;
4521 }
4522 
4523 /**
4524  * ice_update_fd_mask - set Flow Director Field Vector mask for a profile
4525  * @hw: pointer to the HW struct
4526  * @prof_id: profile ID
4527  * @mask_sel: mask select
4528  *
4529  * This function enable any of the masks selected by the mask select parameter
4530  * for the profile specified.
4531  */
4532 static void ice_update_fd_mask(struct ice_hw *hw, u16 prof_id, u32 mask_sel)
4533 {
4534 	wr32(hw, GLQF_FDMASK_SEL(prof_id), mask_sel);
4535 
4536 	ice_debug(hw, ICE_DBG_INIT, "fd mask(%d): %x = %x\n", prof_id,
4537 		  GLQF_FDMASK_SEL(prof_id), mask_sel);
4538 }
4539 
4540 struct ice_fd_src_dst_pair {
4541 	u8 prot_id;
4542 	u8 count;
4543 	u16 off;
4544 };
4545 
4546 static const struct ice_fd_src_dst_pair ice_fd_pairs[] = {
4547 	/* These are defined in pairs */
4548 	{ ICE_PROT_IPV4_OF_OR_S, 2, 12 },
4549 	{ ICE_PROT_IPV4_OF_OR_S, 2, 16 },
4550 
4551 	{ ICE_PROT_IPV4_IL, 2, 12 },
4552 	{ ICE_PROT_IPV4_IL, 2, 16 },
4553 
4554 	{ ICE_PROT_IPV6_OF_OR_S, 8, 8 },
4555 	{ ICE_PROT_IPV6_OF_OR_S, 8, 24 },
4556 
4557 	{ ICE_PROT_IPV6_IL, 8, 8 },
4558 	{ ICE_PROT_IPV6_IL, 8, 24 },
4559 
4560 	{ ICE_PROT_TCP_IL, 1, 0 },
4561 	{ ICE_PROT_TCP_IL, 1, 2 },
4562 
4563 	{ ICE_PROT_UDP_OF, 1, 0 },
4564 	{ ICE_PROT_UDP_OF, 1, 2 },
4565 
4566 	{ ICE_PROT_UDP_IL_OR_S, 1, 0 },
4567 	{ ICE_PROT_UDP_IL_OR_S, 1, 2 },
4568 
4569 	{ ICE_PROT_SCTP_IL, 1, 0 },
4570 	{ ICE_PROT_SCTP_IL, 1, 2 }
4571 };
4572 
4573 #define ICE_FD_SRC_DST_PAIR_COUNT	ARRAY_SIZE(ice_fd_pairs)
4574 
4575 /**
4576  * ice_update_fd_swap - set register appropriately for a FD FV extraction
4577  * @hw: pointer to the HW struct
4578  * @prof_id: profile ID
4579  * @es: extraction sequence (length of array is determined by the block)
4580  */
4581 static enum ice_status
4582 ice_update_fd_swap(struct ice_hw *hw, u16 prof_id, struct ice_fv_word *es)
4583 {
4584 	ice_declare_bitmap(pair_list, ICE_FD_SRC_DST_PAIR_COUNT);
4585 	u8 pair_start[ICE_FD_SRC_DST_PAIR_COUNT] = { 0 };
4586 #define ICE_FD_FV_NOT_FOUND (-2)
4587 	s8 first_free = ICE_FD_FV_NOT_FOUND;
4588 	u8 used[ICE_MAX_FV_WORDS] = { 0 };
4589 	s8 orig_free, si;
4590 	u32 mask_sel = 0;
4591 	u8 i, j, k;
4592 
4593 	ice_zero_bitmap(pair_list, ICE_FD_SRC_DST_PAIR_COUNT);
4594 
4595 	/* This code assumes that the Flow Director field vectors are assigned
4596 	 * from the end of the FV indexes working towards the zero index, that
4597 	 * only complete fields will be included and will be consecutive, and
4598 	 * that there are no gaps between valid indexes.
4599 	 */
4600 
4601 	/* Determine swap fields present */
4602 	for (i = 0; i < hw->blk[ICE_BLK_FD].es.fvw; i++) {
4603 		/* Find the first free entry, assuming right to left population.
4604 		 * This is where we can start adding additional pairs if needed.
4605 		 */
4606 		if (first_free == ICE_FD_FV_NOT_FOUND && es[i].prot_id !=
4607 		    ICE_PROT_INVALID)
4608 			first_free = i - 1;
4609 
4610 		for (j = 0; j < ICE_FD_SRC_DST_PAIR_COUNT; j++)
4611 			if (es[i].prot_id == ice_fd_pairs[j].prot_id &&
4612 			    es[i].off == ice_fd_pairs[j].off) {
4613 				ice_set_bit(j, pair_list);
4614 				pair_start[j] = i;
4615 			}
4616 	}
4617 
4618 	orig_free = first_free;
4619 
4620 	/* determine missing swap fields that need to be added */
4621 	for (i = 0; i < ICE_FD_SRC_DST_PAIR_COUNT; i += 2) {
4622 		u8 bit1 = ice_is_bit_set(pair_list, i + 1);
4623 		u8 bit0 = ice_is_bit_set(pair_list, i);
4624 
4625 		if (bit0 ^ bit1) {
4626 			u8 index;
4627 
4628 			/* add the appropriate 'paired' entry */
4629 			if (!bit0)
4630 				index = i;
4631 			else
4632 				index = i + 1;
4633 
4634 			/* check for room */
4635 			if (first_free + 1 < (s8)ice_fd_pairs[index].count)
4636 				return ICE_ERR_MAX_LIMIT;
4637 
4638 			/* place in extraction sequence */
4639 			for (k = 0; k < ice_fd_pairs[index].count; k++) {
4640 				es[first_free - k].prot_id =
4641 					ice_fd_pairs[index].prot_id;
4642 				es[first_free - k].off =
4643 					ice_fd_pairs[index].off + (k * 2);
4644 
4645 				if (k > first_free)
4646 					return ICE_ERR_OUT_OF_RANGE;
4647 
4648 				/* keep track of non-relevant fields */
4649 				mask_sel |= BIT(first_free - k);
4650 			}
4651 
4652 			pair_start[index] = first_free;
4653 			first_free -= ice_fd_pairs[index].count;
4654 		}
4655 	}
4656 
4657 	/* fill in the swap array */
4658 	si = hw->blk[ICE_BLK_FD].es.fvw - 1;
4659 	while (si >= 0) {
4660 		u8 indexes_used = 1;
4661 
4662 		/* assume flat at this index */
4663 #define ICE_SWAP_VALID	0x80
4664 		used[si] = si | ICE_SWAP_VALID;
4665 
4666 		if (orig_free == ICE_FD_FV_NOT_FOUND || si <= orig_free) {
4667 			si -= indexes_used;
4668 			continue;
4669 		}
4670 
4671 		/* check for a swap location */
4672 		for (j = 0; j < ICE_FD_SRC_DST_PAIR_COUNT; j++)
4673 			if (es[si].prot_id == ice_fd_pairs[j].prot_id &&
4674 			    es[si].off == ice_fd_pairs[j].off) {
4675 				u8 idx;
4676 
4677 				/* determine the appropriate matching field */
4678 				idx = j + ((j % 2) ? -1 : 1);
4679 
4680 				indexes_used = ice_fd_pairs[idx].count;
4681 				for (k = 0; k < indexes_used; k++) {
4682 					used[si - k] = (pair_start[idx] - k) |
4683 						ICE_SWAP_VALID;
4684 				}
4685 
4686 				break;
4687 			}
4688 
4689 		si -= indexes_used;
4690 	}
4691 
4692 	/* for each set of 4 swap and 4 inset indexes, write the appropriate
4693 	 * register
4694 	 */
4695 	for (j = 0; j < hw->blk[ICE_BLK_FD].es.fvw / 4; j++) {
4696 		u32 raw_swap = 0;
4697 		u32 raw_in = 0;
4698 
4699 		for (k = 0; k < 4; k++) {
4700 			u8 idx;
4701 
4702 			idx = (j * 4) + k;
4703 			if (used[idx] && !(mask_sel & BIT(idx))) {
4704 				raw_swap |= used[idx] << (k * BITS_PER_BYTE);
4705 #define ICE_INSET_DFLT 0x9f
4706 				raw_in |= ICE_INSET_DFLT << (k * BITS_PER_BYTE);
4707 			}
4708 		}
4709 
4710 		/* write the appropriate swap register set */
4711 		wr32(hw, GLQF_FDSWAP(prof_id, j), raw_swap);
4712 
4713 		ice_debug(hw, ICE_DBG_INIT, "swap wr(%d, %d): %x = %08x\n",
4714 			  prof_id, j, GLQF_FDSWAP(prof_id, j), raw_swap);
4715 
4716 		/* write the appropriate inset register set */
4717 		wr32(hw, GLQF_FDINSET(prof_id, j), raw_in);
4718 
4719 		ice_debug(hw, ICE_DBG_INIT, "inset wr(%d, %d): %x = %08x\n",
4720 			  prof_id, j, GLQF_FDINSET(prof_id, j), raw_in);
4721 	}
4722 
4723 	/* initially clear the mask select for this profile */
4724 	ice_update_fd_mask(hw, prof_id, 0);
4725 
4726 	return ICE_SUCCESS;
4727 }
4728 
4729 /* The entries here needs to match the order of enum ice_ptype_attrib */
4730 static const struct ice_ptype_attrib_info ice_ptype_attributes[] = {
4731 	{ ICE_GTP_PDU_EH,	ICE_GTP_PDU_FLAG_MASK },
4732 	{ ICE_GTP_SESSION,	ICE_GTP_FLAGS_MASK },
4733 	{ ICE_GTP_DOWNLINK,	ICE_GTP_FLAGS_MASK },
4734 	{ ICE_GTP_UPLINK,	ICE_GTP_FLAGS_MASK },
4735 };
4736 
4737 /**
4738  * ice_get_ptype_attrib_info - get ptype attribute information
4739  * @type: attribute type
4740  * @info: pointer to variable to the attribute information
4741  */
4742 static void
4743 ice_get_ptype_attrib_info(enum ice_ptype_attrib_type type,
4744 			  struct ice_ptype_attrib_info *info)
4745 {
4746 	*info = ice_ptype_attributes[type];
4747 }
4748 
4749 /**
4750  * ice_add_prof_attrib - add any PTG with attributes to profile
4751  * @prof: pointer to the profile to which PTG entries will be added
4752  * @ptg: PTG to be added
4753  * @ptype: PTYPE that needs to be looked up
4754  * @attr: array of attributes that will be considered
4755  * @attr_cnt: number of elements in the attribute array
4756  */
4757 static enum ice_status
4758 ice_add_prof_attrib(struct ice_prof_map *prof, u8 ptg, u16 ptype,
4759 		    const struct ice_ptype_attributes *attr, u16 attr_cnt)
4760 {
4761 	bool found = false;
4762 	u16 i;
4763 
4764 	for (i = 0; i < attr_cnt; i++) {
4765 		if (attr[i].ptype == ptype) {
4766 			found = true;
4767 
4768 			prof->ptg[prof->ptg_cnt] = ptg;
4769 			ice_get_ptype_attrib_info(attr[i].attrib,
4770 						  &prof->attr[prof->ptg_cnt]);
4771 
4772 			if (++prof->ptg_cnt >= ICE_MAX_PTG_PER_PROFILE)
4773 				return ICE_ERR_MAX_LIMIT;
4774 		}
4775 	}
4776 
4777 	if (!found)
4778 		return ICE_ERR_DOES_NOT_EXIST;
4779 
4780 	return ICE_SUCCESS;
4781 }
4782 
4783 /**
4784  * ice_add_prof - add profile
4785  * @hw: pointer to the HW struct
4786  * @blk: hardware block
4787  * @id: profile tracking ID
4788  * @ptypes: array of bitmaps indicating ptypes (ICE_FLOW_PTYPE_MAX bits)
4789  * @attr: array of attributes
4790  * @attr_cnt: number of elements in attrib array
4791  * @es: extraction sequence (length of array is determined by the block)
4792  * @masks: mask for extraction sequence
4793  *
4794  * This function registers a profile, which matches a set of PTYPES with a
4795  * particular extraction sequence. While the hardware profile is allocated
4796  * it will not be written until the first call to ice_add_flow that specifies
4797  * the ID value used here.
4798  */
4799 enum ice_status
4800 ice_add_prof(struct ice_hw *hw, enum ice_block blk, u64 id, u8 ptypes[],
4801 	     const struct ice_ptype_attributes *attr, u16 attr_cnt,
4802 	     struct ice_fv_word *es, u16 *masks)
4803 {
4804 	u32 bytes = DIVIDE_AND_ROUND_UP(ICE_FLOW_PTYPE_MAX, BITS_PER_BYTE);
4805 	ice_declare_bitmap(ptgs_used, ICE_XLT1_CNT);
4806 	struct ice_prof_map *prof;
4807 	enum ice_status status;
4808 	u8 byte = 0;
4809 	u8 prof_id;
4810 
4811 	ice_zero_bitmap(ptgs_used, ICE_XLT1_CNT);
4812 
4813 	ice_acquire_lock(&hw->blk[blk].es.prof_map_lock);
4814 
4815 	/* search for existing profile */
4816 	status = ice_find_prof_id_with_mask(hw, blk, es, masks, &prof_id);
4817 	if (status) {
4818 		/* allocate profile ID */
4819 		status = ice_alloc_prof_id(hw, blk, &prof_id);
4820 		if (status)
4821 			goto err_ice_add_prof;
4822 		if (blk == ICE_BLK_FD) {
4823 			/* For Flow Director block, the extraction sequence may
4824 			 * need to be altered in the case where there are paired
4825 			 * fields that have no match. This is necessary because
4826 			 * for Flow Director, src and dest fields need to paired
4827 			 * for filter programming and these values are swapped
4828 			 * during Tx.
4829 			 */
4830 			status = ice_update_fd_swap(hw, prof_id, es);
4831 			if (status)
4832 				goto err_ice_add_prof;
4833 		}
4834 		status = ice_update_prof_masking(hw, blk, prof_id, masks);
4835 		if (status)
4836 			goto err_ice_add_prof;
4837 
4838 		/* and write new es */
4839 		ice_write_es(hw, blk, prof_id, es);
4840 	}
4841 
4842 	ice_prof_inc_ref(hw, blk, prof_id);
4843 
4844 	/* add profile info */
4845 
4846 	prof = (struct ice_prof_map *)ice_malloc(hw, sizeof(*prof));
4847 	if (!prof)
4848 		goto err_ice_add_prof;
4849 
4850 	prof->profile_cookie = id;
4851 	prof->prof_id = prof_id;
4852 	prof->ptg_cnt = 0;
4853 	prof->context = 0;
4854 
4855 	/* build list of ptgs */
4856 	while (bytes && prof->ptg_cnt < ICE_MAX_PTG_PER_PROFILE) {
4857 		u8 bit;
4858 
4859 		if (!ptypes[byte]) {
4860 			bytes--;
4861 			byte++;
4862 			continue;
4863 		}
4864 
4865 		/* Examine 8 bits per byte */
4866 		ice_for_each_set_bit(bit, (ice_bitmap_t *)&ptypes[byte],
4867 				     BITS_PER_BYTE) {
4868 			u16 ptype;
4869 			u8 ptg;
4870 
4871 			ptype = byte * BITS_PER_BYTE + bit;
4872 
4873 			/* The package should place all ptypes in a non-zero
4874 			 * PTG, so the following call should never fail.
4875 			 */
4876 			if (ice_ptg_find_ptype(hw, blk, ptype, &ptg))
4877 				continue;
4878 
4879 			/* If PTG is already added, skip and continue */
4880 			if (ice_is_bit_set(ptgs_used, ptg))
4881 				continue;
4882 
4883 			ice_set_bit(ptg, ptgs_used);
4884 			/* Check to see there are any attributes for this
4885 			 * ptype, and add them if found.
4886 			 */
4887 			status = ice_add_prof_attrib(prof, ptg, ptype, attr,
4888 						     attr_cnt);
4889 			if (status == ICE_ERR_MAX_LIMIT)
4890 				break;
4891 			if (status) {
4892 				/* This is simple a ptype/PTG with no
4893 				 * attribute
4894 				 */
4895 				prof->ptg[prof->ptg_cnt] = ptg;
4896 				prof->attr[prof->ptg_cnt].flags = 0;
4897 				prof->attr[prof->ptg_cnt].mask = 0;
4898 
4899 				if (++prof->ptg_cnt >= ICE_MAX_PTG_PER_PROFILE)
4900 					break;
4901 			}
4902 		}
4903 
4904 		bytes--;
4905 		byte++;
4906 	}
4907 
4908 	LIST_ADD(&prof->list, &hw->blk[blk].es.prof_map);
4909 	status = ICE_SUCCESS;
4910 
4911 err_ice_add_prof:
4912 	ice_release_lock(&hw->blk[blk].es.prof_map_lock);
4913 	return status;
4914 }
4915 
4916 /**
4917  * ice_search_prof_id - Search for a profile tracking ID
4918  * @hw: pointer to the HW struct
4919  * @blk: hardware block
4920  * @id: profile tracking ID
4921  *
4922  * This will search for a profile tracking ID which was previously added.
4923  * The profile map lock should be held before calling this function.
4924  */
4925 struct ice_prof_map *
4926 ice_search_prof_id(struct ice_hw *hw, enum ice_block blk, u64 id)
4927 {
4928 	struct ice_prof_map *entry = NULL;
4929 	struct ice_prof_map *map;
4930 
4931 	LIST_FOR_EACH_ENTRY(map, &hw->blk[blk].es.prof_map, ice_prof_map, list)
4932 		if (map->profile_cookie == id) {
4933 			entry = map;
4934 			break;
4935 		}
4936 
4937 	return entry;
4938 }
4939 
4940 /**
4941  * ice_vsig_prof_id_count - count profiles in a VSIG
4942  * @hw: pointer to the HW struct
4943  * @blk: hardware block
4944  * @vsig: VSIG to remove the profile from
4945  */
4946 static u16
4947 ice_vsig_prof_id_count(struct ice_hw *hw, enum ice_block blk, u16 vsig)
4948 {
4949 	u16 idx = vsig & ICE_VSIG_IDX_M, count = 0;
4950 	struct ice_vsig_prof *p;
4951 
4952 	LIST_FOR_EACH_ENTRY(p, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
4953 			    ice_vsig_prof, list)
4954 		count++;
4955 
4956 	return count;
4957 }
4958 
4959 /**
4960  * ice_rel_tcam_idx - release a TCAM index
4961  * @hw: pointer to the HW struct
4962  * @blk: hardware block
4963  * @idx: the index to release
4964  */
4965 static enum ice_status
4966 ice_rel_tcam_idx(struct ice_hw *hw, enum ice_block blk, u16 idx)
4967 {
4968 	/* Masks to invoke a never match entry */
4969 	u8 vl_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
4970 	u8 dc_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFE, 0xFF, 0xFF, 0xFF, 0xFF };
4971 	u8 nm_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x01, 0x00, 0x00, 0x00, 0x00 };
4972 	enum ice_status status;
4973 
4974 	/* write the TCAM entry */
4975 	status = ice_tcam_write_entry(hw, blk, idx, 0, 0, 0, 0, 0, vl_msk,
4976 				      dc_msk, nm_msk);
4977 	if (status)
4978 		return status;
4979 
4980 	/* release the TCAM entry */
4981 	status = ice_free_tcam_ent(hw, blk, idx);
4982 
4983 	return status;
4984 }
4985 
4986 /**
4987  * ice_rem_prof_id - remove one profile from a VSIG
4988  * @hw: pointer to the HW struct
4989  * @blk: hardware block
4990  * @prof: pointer to profile structure to remove
4991  */
4992 static enum ice_status
4993 ice_rem_prof_id(struct ice_hw *hw, enum ice_block blk,
4994 		struct ice_vsig_prof *prof)
4995 {
4996 	enum ice_status status;
4997 	u16 i;
4998 
4999 	for (i = 0; i < prof->tcam_count; i++)
5000 		if (prof->tcam[i].in_use) {
5001 			prof->tcam[i].in_use = false;
5002 			status = ice_rel_tcam_idx(hw, blk,
5003 						  prof->tcam[i].tcam_idx);
5004 			if (status)
5005 				return ICE_ERR_HW_TABLE;
5006 		}
5007 
5008 	return ICE_SUCCESS;
5009 }
5010 
5011 /**
5012  * ice_rem_vsig - remove VSIG
5013  * @hw: pointer to the HW struct
5014  * @blk: hardware block
5015  * @vsig: the VSIG to remove
5016  * @chg: the change list
5017  */
5018 static enum ice_status
5019 ice_rem_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig,
5020 	     struct LIST_HEAD_TYPE *chg)
5021 {
5022 	u16 idx = vsig & ICE_VSIG_IDX_M;
5023 	struct ice_vsig_vsi *vsi_cur;
5024 	struct ice_vsig_prof *d, *t;
5025 	enum ice_status status;
5026 
5027 	/* remove TCAM entries */
5028 	LIST_FOR_EACH_ENTRY_SAFE(d, t,
5029 				 &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
5030 				 ice_vsig_prof, list) {
5031 		status = ice_rem_prof_id(hw, blk, d);
5032 		if (status)
5033 			return status;
5034 
5035 		LIST_DEL(&d->list);
5036 		ice_free(hw, d);
5037 	}
5038 
5039 	/* Move all VSIS associated with this VSIG to the default VSIG */
5040 	vsi_cur = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
5041 	/* If the VSIG has at least 1 VSI then iterate through the list
5042 	 * and remove the VSIs before deleting the group.
5043 	 */
5044 	if (vsi_cur)
5045 		do {
5046 			struct ice_vsig_vsi *tmp = vsi_cur->next_vsi;
5047 			struct ice_chs_chg *p;
5048 
5049 			p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p));
5050 			if (!p)
5051 				return ICE_ERR_NO_MEMORY;
5052 
5053 			p->type = ICE_VSIG_REM;
5054 			p->orig_vsig = vsig;
5055 			p->vsig = ICE_DEFAULT_VSIG;
5056 			p->vsi = vsi_cur - hw->blk[blk].xlt2.vsis;
5057 
5058 			LIST_ADD(&p->list_entry, chg);
5059 
5060 			vsi_cur = tmp;
5061 		} while (vsi_cur);
5062 
5063 	return ice_vsig_free(hw, blk, vsig);
5064 }
5065 
5066 /**
5067  * ice_rem_prof_id_vsig - remove a specific profile from a VSIG
5068  * @hw: pointer to the HW struct
5069  * @blk: hardware block
5070  * @vsig: VSIG to remove the profile from
5071  * @hdl: profile handle indicating which profile to remove
5072  * @chg: list to receive a record of changes
5073  */
5074 static enum ice_status
5075 ice_rem_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl,
5076 		     struct LIST_HEAD_TYPE *chg)
5077 {
5078 	u16 idx = vsig & ICE_VSIG_IDX_M;
5079 	struct ice_vsig_prof *p, *t;
5080 	enum ice_status status;
5081 
5082 	LIST_FOR_EACH_ENTRY_SAFE(p, t,
5083 				 &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
5084 				 ice_vsig_prof, list)
5085 		if (p->profile_cookie == hdl) {
5086 			if (ice_vsig_prof_id_count(hw, blk, vsig) == 1)
5087 				/* this is the last profile, remove the VSIG */
5088 				return ice_rem_vsig(hw, blk, vsig, chg);
5089 
5090 			status = ice_rem_prof_id(hw, blk, p);
5091 			if (!status) {
5092 				LIST_DEL(&p->list);
5093 				ice_free(hw, p);
5094 			}
5095 			return status;
5096 		}
5097 
5098 	return ICE_ERR_DOES_NOT_EXIST;
5099 }
5100 
5101 /**
5102  * ice_rem_flow_all - remove all flows with a particular profile
5103  * @hw: pointer to the HW struct
5104  * @blk: hardware block
5105  * @id: profile tracking ID
5106  */
5107 static enum ice_status
5108 ice_rem_flow_all(struct ice_hw *hw, enum ice_block blk, u64 id)
5109 {
5110 	struct ice_chs_chg *del, *tmp;
5111 	struct LIST_HEAD_TYPE chg;
5112 	enum ice_status status;
5113 	u16 i;
5114 
5115 	INIT_LIST_HEAD(&chg);
5116 
5117 	for (i = 1; i < ICE_MAX_VSIGS; i++)
5118 		if (hw->blk[blk].xlt2.vsig_tbl[i].in_use) {
5119 			if (ice_has_prof_vsig(hw, blk, i, id)) {
5120 				status = ice_rem_prof_id_vsig(hw, blk, i, id,
5121 							      &chg);
5122 				if (status)
5123 					goto err_ice_rem_flow_all;
5124 			}
5125 		}
5126 
5127 	status = ice_upd_prof_hw(hw, blk, &chg);
5128 
5129 err_ice_rem_flow_all:
5130 	LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &chg, ice_chs_chg, list_entry) {
5131 		LIST_DEL(&del->list_entry);
5132 		ice_free(hw, del);
5133 	}
5134 
5135 	return status;
5136 }
5137 
5138 /**
5139  * ice_rem_prof - remove profile
5140  * @hw: pointer to the HW struct
5141  * @blk: hardware block
5142  * @id: profile tracking ID
5143  *
5144  * This will remove the profile specified by the ID parameter, which was
5145  * previously created through ice_add_prof. If any existing entries
5146  * are associated with this profile, they will be removed as well.
5147  */
5148 enum ice_status ice_rem_prof(struct ice_hw *hw, enum ice_block blk, u64 id)
5149 {
5150 	struct ice_prof_map *pmap;
5151 	enum ice_status status;
5152 
5153 	ice_acquire_lock(&hw->blk[blk].es.prof_map_lock);
5154 
5155 	pmap = ice_search_prof_id(hw, blk, id);
5156 	if (!pmap) {
5157 		status = ICE_ERR_DOES_NOT_EXIST;
5158 		goto err_ice_rem_prof;
5159 	}
5160 
5161 	/* remove all flows with this profile */
5162 	status = ice_rem_flow_all(hw, blk, pmap->profile_cookie);
5163 	if (status)
5164 		goto err_ice_rem_prof;
5165 
5166 	/* dereference profile, and possibly remove */
5167 	ice_prof_dec_ref(hw, blk, pmap->prof_id);
5168 
5169 	LIST_DEL(&pmap->list);
5170 	ice_free(hw, pmap);
5171 
5172 err_ice_rem_prof:
5173 	ice_release_lock(&hw->blk[blk].es.prof_map_lock);
5174 	return status;
5175 }
5176 
5177 /**
5178  * ice_get_prof - get profile
5179  * @hw: pointer to the HW struct
5180  * @blk: hardware block
5181  * @hdl: profile handle
5182  * @chg: change list
5183  */
5184 static enum ice_status
5185 ice_get_prof(struct ice_hw *hw, enum ice_block blk, u64 hdl,
5186 	     struct LIST_HEAD_TYPE *chg)
5187 {
5188 	enum ice_status status = ICE_SUCCESS;
5189 	struct ice_prof_map *map;
5190 	struct ice_chs_chg *p;
5191 	u16 i;
5192 
5193 	ice_acquire_lock(&hw->blk[blk].es.prof_map_lock);
5194 	/* Get the details on the profile specified by the handle ID */
5195 	map = ice_search_prof_id(hw, blk, hdl);
5196 	if (!map) {
5197 		status = ICE_ERR_DOES_NOT_EXIST;
5198 		goto err_ice_get_prof;
5199 	}
5200 
5201 	for (i = 0; i < map->ptg_cnt; i++)
5202 		if (!hw->blk[blk].es.written[map->prof_id]) {
5203 			/* add ES to change list */
5204 			p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p));
5205 			if (!p) {
5206 				status = ICE_ERR_NO_MEMORY;
5207 				goto err_ice_get_prof;
5208 			}
5209 
5210 			p->type = ICE_PTG_ES_ADD;
5211 			p->ptype = 0;
5212 			p->ptg = map->ptg[i];
5213 			p->attr = map->attr[i];
5214 			p->add_ptg = 0;
5215 
5216 			p->add_prof = 1;
5217 			p->prof_id = map->prof_id;
5218 
5219 			hw->blk[blk].es.written[map->prof_id] = true;
5220 
5221 			LIST_ADD(&p->list_entry, chg);
5222 		}
5223 
5224 err_ice_get_prof:
5225 	ice_release_lock(&hw->blk[blk].es.prof_map_lock);
5226 	/* let caller clean up the change list */
5227 	return status;
5228 }
5229 
5230 /**
5231  * ice_get_profs_vsig - get a copy of the list of profiles from a VSIG
5232  * @hw: pointer to the HW struct
5233  * @blk: hardware block
5234  * @vsig: VSIG from which to copy the list
5235  * @lst: output list
5236  *
5237  * This routine makes a copy of the list of profiles in the specified VSIG.
5238  */
5239 static enum ice_status
5240 ice_get_profs_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig,
5241 		   struct LIST_HEAD_TYPE *lst)
5242 {
5243 	struct ice_vsig_prof *ent1, *ent2;
5244 	u16 idx = vsig & ICE_VSIG_IDX_M;
5245 
5246 	LIST_FOR_EACH_ENTRY(ent1, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
5247 			    ice_vsig_prof, list) {
5248 		struct ice_vsig_prof *p;
5249 
5250 		/* copy to the input list */
5251 		p = (struct ice_vsig_prof *)ice_memdup(hw, ent1, sizeof(*p),
5252 						       ICE_NONDMA_TO_NONDMA);
5253 		if (!p)
5254 			goto err_ice_get_profs_vsig;
5255 
5256 		LIST_ADD_TAIL(&p->list, lst);
5257 	}
5258 
5259 	return ICE_SUCCESS;
5260 
5261 err_ice_get_profs_vsig:
5262 	LIST_FOR_EACH_ENTRY_SAFE(ent1, ent2, lst, ice_vsig_prof, list) {
5263 		LIST_DEL(&ent1->list);
5264 		ice_free(hw, ent1);
5265 	}
5266 
5267 	return ICE_ERR_NO_MEMORY;
5268 }
5269 
5270 /**
5271  * ice_add_prof_to_lst - add profile entry to a list
5272  * @hw: pointer to the HW struct
5273  * @blk: hardware block
5274  * @lst: the list to be added to
5275  * @hdl: profile handle of entry to add
5276  */
5277 static enum ice_status
5278 ice_add_prof_to_lst(struct ice_hw *hw, enum ice_block blk,
5279 		    struct LIST_HEAD_TYPE *lst, u64 hdl)
5280 {
5281 	enum ice_status status = ICE_SUCCESS;
5282 	struct ice_prof_map *map;
5283 	struct ice_vsig_prof *p;
5284 	u16 i;
5285 
5286 	ice_acquire_lock(&hw->blk[blk].es.prof_map_lock);
5287 	map = ice_search_prof_id(hw, blk, hdl);
5288 	if (!map) {
5289 		status = ICE_ERR_DOES_NOT_EXIST;
5290 		goto err_ice_add_prof_to_lst;
5291 	}
5292 
5293 	p = (struct ice_vsig_prof *)ice_malloc(hw, sizeof(*p));
5294 	if (!p) {
5295 		status = ICE_ERR_NO_MEMORY;
5296 		goto err_ice_add_prof_to_lst;
5297 	}
5298 
5299 	p->profile_cookie = map->profile_cookie;
5300 	p->prof_id = map->prof_id;
5301 	p->tcam_count = map->ptg_cnt;
5302 
5303 	for (i = 0; i < map->ptg_cnt; i++) {
5304 		p->tcam[i].prof_id = map->prof_id;
5305 		p->tcam[i].tcam_idx = ICE_INVALID_TCAM;
5306 		p->tcam[i].ptg = map->ptg[i];
5307 		p->tcam[i].attr = map->attr[i];
5308 	}
5309 
5310 	LIST_ADD(&p->list, lst);
5311 
5312 err_ice_add_prof_to_lst:
5313 	ice_release_lock(&hw->blk[blk].es.prof_map_lock);
5314 	return status;
5315 }
5316 
5317 /**
5318  * ice_move_vsi - move VSI to another VSIG
5319  * @hw: pointer to the HW struct
5320  * @blk: hardware block
5321  * @vsi: the VSI to move
5322  * @vsig: the VSIG to move the VSI to
5323  * @chg: the change list
5324  */
5325 static enum ice_status
5326 ice_move_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig,
5327 	     struct LIST_HEAD_TYPE *chg)
5328 {
5329 	enum ice_status status;
5330 	struct ice_chs_chg *p;
5331 	u16 orig_vsig;
5332 
5333 	p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p));
5334 	if (!p)
5335 		return ICE_ERR_NO_MEMORY;
5336 
5337 	status = ice_vsig_find_vsi(hw, blk, vsi, &orig_vsig);
5338 	if (!status)
5339 		status = ice_vsig_add_mv_vsi(hw, blk, vsi, vsig);
5340 
5341 	if (status) {
5342 		ice_free(hw, p);
5343 		return status;
5344 	}
5345 
5346 	p->type = ICE_VSI_MOVE;
5347 	p->vsi = vsi;
5348 	p->orig_vsig = orig_vsig;
5349 	p->vsig = vsig;
5350 
5351 	LIST_ADD(&p->list_entry, chg);
5352 
5353 	return ICE_SUCCESS;
5354 }
5355 
5356 /**
5357  * ice_set_tcam_flags - set TCAM flag don't care mask
5358  * @mask: mask for flags
5359  * @dc_mask: pointer to the don't care mask
5360  */
5361 static void ice_set_tcam_flags(u16 mask, u8 dc_mask[ICE_TCAM_KEY_VAL_SZ])
5362 {
5363 	u16 *flag_word;
5364 
5365 	/* flags are lowest u16 */
5366 	flag_word = (u16 *)dc_mask;
5367 	*flag_word = ~mask;
5368 }
5369 
5370 /**
5371  * ice_rem_chg_tcam_ent - remove a specific TCAM entry from change list
5372  * @hw: pointer to the HW struct
5373  * @idx: the index of the TCAM entry to remove
5374  * @chg: the list of change structures to search
5375  */
5376 static void
5377 ice_rem_chg_tcam_ent(struct ice_hw *hw, u16 idx, struct LIST_HEAD_TYPE *chg)
5378 {
5379 	struct ice_chs_chg *pos, *tmp;
5380 
5381 	LIST_FOR_EACH_ENTRY_SAFE(tmp, pos, chg, ice_chs_chg, list_entry)
5382 		if (tmp->type == ICE_TCAM_ADD && tmp->tcam_idx == idx) {
5383 			LIST_DEL(&tmp->list_entry);
5384 			ice_free(hw, tmp);
5385 		}
5386 }
5387 
5388 /**
5389  * ice_prof_tcam_ena_dis - add enable or disable TCAM change
5390  * @hw: pointer to the HW struct
5391  * @blk: hardware block
5392  * @enable: true to enable, false to disable
5393  * @vsig: the VSIG of the TCAM entry
5394  * @tcam: pointer the TCAM info structure of the TCAM to disable
5395  * @chg: the change list
5396  *
5397  * This function appends an enable or disable TCAM entry in the change log
5398  */
5399 static enum ice_status
5400 ice_prof_tcam_ena_dis(struct ice_hw *hw, enum ice_block blk, bool enable,
5401 		      u16 vsig, struct ice_tcam_inf *tcam,
5402 		      struct LIST_HEAD_TYPE *chg)
5403 {
5404 	enum ice_status status;
5405 	struct ice_chs_chg *p;
5406 
5407 	u8 vl_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5408 	u8 dc_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0x00, 0x00, 0x00 };
5409 	u8 nm_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x00, 0x00, 0x00, 0x00, 0x00 };
5410 
5411 	/* if disabling, free the TCAM */
5412 	if (!enable) {
5413 		status = ice_rel_tcam_idx(hw, blk, tcam->tcam_idx);
5414 
5415 		/* if we have already created a change for this TCAM entry, then
5416 		 * we need to remove that entry, in order to prevent writing to
5417 		 * a TCAM entry we no longer will have ownership of.
5418 		 */
5419 		ice_rem_chg_tcam_ent(hw, tcam->tcam_idx, chg);
5420 		tcam->tcam_idx = 0;
5421 		tcam->in_use = 0;
5422 		return status;
5423 	}
5424 
5425 	/* for re-enabling, reallocate a TCAM */
5426 	/* for entries with empty attribute masks, allocate entry from
5427 	 * the bottom of the TCAM table; otherwise, allocate from the
5428 	 * top of the table in order to give it higher priority
5429 	 */
5430 	status = ice_alloc_tcam_ent(hw, blk, tcam->attr.mask == 0,
5431 				    &tcam->tcam_idx);
5432 	if (status)
5433 		return status;
5434 
5435 	/* add TCAM to change list */
5436 	p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p));
5437 	if (!p)
5438 		return ICE_ERR_NO_MEMORY;
5439 
5440 	/* set don't care masks for TCAM flags */
5441 	ice_set_tcam_flags(tcam->attr.mask, dc_msk);
5442 
5443 	status = ice_tcam_write_entry(hw, blk, tcam->tcam_idx, tcam->prof_id,
5444 				      tcam->ptg, vsig, 0, tcam->attr.flags,
5445 				      vl_msk, dc_msk, nm_msk);
5446 	if (status)
5447 		goto err_ice_prof_tcam_ena_dis;
5448 
5449 	tcam->in_use = 1;
5450 
5451 	p->type = ICE_TCAM_ADD;
5452 	p->add_tcam_idx = true;
5453 	p->prof_id = tcam->prof_id;
5454 	p->ptg = tcam->ptg;
5455 	p->vsig = 0;
5456 	p->tcam_idx = tcam->tcam_idx;
5457 
5458 	/* log change */
5459 	LIST_ADD(&p->list_entry, chg);
5460 
5461 	return ICE_SUCCESS;
5462 
5463 err_ice_prof_tcam_ena_dis:
5464 	ice_free(hw, p);
5465 	return status;
5466 }
5467 
5468 /**
5469  * ice_ptg_attr_in_use - determine if PTG and attribute pair is in use
5470  * @ptg_attr: pointer to the PTG and attribute pair to check
5471  * @ptgs_used: bitmap that denotes which PTGs are in use
5472  * @attr_used: array of PTG and attributes pairs already used
5473  * @attr_cnt: count of entries in the attr_used array
5474  */
5475 static bool
5476 ice_ptg_attr_in_use(struct ice_tcam_inf *ptg_attr, ice_bitmap_t *ptgs_used,
5477 		    struct ice_tcam_inf *attr_used[], u16 attr_cnt)
5478 {
5479 	u16 i;
5480 
5481 	if (!ice_is_bit_set(ptgs_used, ptg_attr->ptg))
5482 		return false;
5483 
5484 	/* the PTG is used, so now look for correct attributes */
5485 	for (i = 0; i < attr_cnt; i++)
5486 		if (attr_used[i]->ptg == ptg_attr->ptg &&
5487 		    attr_used[i]->attr.flags == ptg_attr->attr.flags &&
5488 		    attr_used[i]->attr.mask == ptg_attr->attr.mask)
5489 			return true;
5490 
5491 	return false;
5492 }
5493 
5494 /**
5495  * ice_adj_prof_priorities - adjust profile based on priorities
5496  * @hw: pointer to the HW struct
5497  * @blk: hardware block
5498  * @vsig: the VSIG for which to adjust profile priorities
5499  * @chg: the change list
5500  */
5501 static enum ice_status
5502 ice_adj_prof_priorities(struct ice_hw *hw, enum ice_block blk, u16 vsig,
5503 			struct LIST_HEAD_TYPE *chg)
5504 {
5505 	ice_declare_bitmap(ptgs_used, ICE_XLT1_CNT);
5506 	struct ice_tcam_inf **attr_used;
5507 	enum ice_status status = ICE_SUCCESS;
5508 	struct ice_vsig_prof *t;
5509 	u16 attr_used_cnt = 0;
5510 	u16 idx;
5511 
5512 #define ICE_MAX_PTG_ATTRS	1024
5513 	attr_used = (struct ice_tcam_inf **)ice_calloc(hw, ICE_MAX_PTG_ATTRS,
5514 						       sizeof(*attr_used));
5515 	if (!attr_used)
5516 		return ICE_ERR_NO_MEMORY;
5517 
5518 	ice_zero_bitmap(ptgs_used, ICE_XLT1_CNT);
5519 	idx = vsig & ICE_VSIG_IDX_M;
5520 
5521 	/* Priority is based on the order in which the profiles are added. The
5522 	 * newest added profile has highest priority and the oldest added
5523 	 * profile has the lowest priority. Since the profile property list for
5524 	 * a VSIG is sorted from newest to oldest, this code traverses the list
5525 	 * in order and enables the first of each PTG that it finds (that is not
5526 	 * already enabled); it also disables any duplicate PTGs that it finds
5527 	 * in the older profiles (that are currently enabled).
5528 	 */
5529 
5530 	LIST_FOR_EACH_ENTRY(t, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
5531 			    ice_vsig_prof, list) {
5532 		u16 i;
5533 
5534 		for (i = 0; i < t->tcam_count; i++) {
5535 			bool used;
5536 
5537 			/* Scan the priorities from newest to oldest.
5538 			 * Make sure that the newest profiles take priority.
5539 			 */
5540 			used = ice_ptg_attr_in_use(&t->tcam[i], ptgs_used,
5541 						   attr_used, attr_used_cnt);
5542 
5543 			if (used && t->tcam[i].in_use) {
5544 				/* need to mark this PTG as never match, as it
5545 				 * was already in use and therefore duplicate
5546 				 * (and lower priority)
5547 				 */
5548 				status = ice_prof_tcam_ena_dis(hw, blk, false,
5549 							       vsig,
5550 							       &t->tcam[i],
5551 							       chg);
5552 				if (status)
5553 					goto err_ice_adj_prof_priorities;
5554 			} else if (!used && !t->tcam[i].in_use) {
5555 				/* need to enable this PTG, as it in not in use
5556 				 * and not enabled (highest priority)
5557 				 */
5558 				status = ice_prof_tcam_ena_dis(hw, blk, true,
5559 							       vsig,
5560 							       &t->tcam[i],
5561 							       chg);
5562 				if (status)
5563 					goto err_ice_adj_prof_priorities;
5564 			}
5565 
5566 			/* keep track of used ptgs */
5567 			ice_set_bit(t->tcam[i].ptg, ptgs_used);
5568 			if (attr_used_cnt < ICE_MAX_PTG_ATTRS)
5569 				attr_used[attr_used_cnt++] = &t->tcam[i];
5570 			else
5571 				ice_debug(hw, ICE_DBG_INIT, "Warn: ICE_MAX_PTG_ATTRS exceeded\n");
5572 		}
5573 	}
5574 
5575 err_ice_adj_prof_priorities:
5576 	ice_free(hw, attr_used);
5577 	return status;
5578 }
5579 
5580 /**
5581  * ice_add_prof_id_vsig - add profile to VSIG
5582  * @hw: pointer to the HW struct
5583  * @blk: hardware block
5584  * @vsig: the VSIG to which this profile is to be added
5585  * @hdl: the profile handle indicating the profile to add
5586  * @rev: true to add entries to the end of the list
5587  * @chg: the change list
5588  */
5589 static enum ice_status
5590 ice_add_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl,
5591 		     bool rev, struct LIST_HEAD_TYPE *chg)
5592 {
5593 	/* Masks that ignore flags */
5594 	u8 vl_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5595 	u8 dc_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0x00, 0x00, 0x00 };
5596 	u8 nm_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x00, 0x00, 0x00, 0x00, 0x00 };
5597 	enum ice_status status = ICE_SUCCESS;
5598 	struct ice_prof_map *map;
5599 	struct ice_vsig_prof *t;
5600 	struct ice_chs_chg *p;
5601 	u16 vsig_idx, i;
5602 
5603 	/* Error, if this VSIG already has this profile */
5604 	if (ice_has_prof_vsig(hw, blk, vsig, hdl))
5605 		return ICE_ERR_ALREADY_EXISTS;
5606 
5607 	/* new VSIG profile structure */
5608 	t = (struct ice_vsig_prof *)ice_malloc(hw, sizeof(*t));
5609 	if (!t)
5610 		return ICE_ERR_NO_MEMORY;
5611 
5612 	ice_acquire_lock(&hw->blk[blk].es.prof_map_lock);
5613 	/* Get the details on the profile specified by the handle ID */
5614 	map = ice_search_prof_id(hw, blk, hdl);
5615 	if (!map) {
5616 		status = ICE_ERR_DOES_NOT_EXIST;
5617 		goto err_ice_add_prof_id_vsig;
5618 	}
5619 
5620 	t->profile_cookie = map->profile_cookie;
5621 	t->prof_id = map->prof_id;
5622 	t->tcam_count = map->ptg_cnt;
5623 
5624 	/* create TCAM entries */
5625 	for (i = 0; i < map->ptg_cnt; i++) {
5626 		u16 tcam_idx;
5627 
5628 		/* add TCAM to change list */
5629 		p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p));
5630 		if (!p) {
5631 			status = ICE_ERR_NO_MEMORY;
5632 			goto err_ice_add_prof_id_vsig;
5633 		}
5634 
5635 		/* allocate the TCAM entry index */
5636 		/* for entries with empty attribute masks, allocate entry from
5637 		 * the bottom of the TCAM table; otherwise, allocate from the
5638 		 * top of the table in order to give it higher priority
5639 		 */
5640 		status = ice_alloc_tcam_ent(hw, blk, map->attr[i].mask == 0,
5641 					    &tcam_idx);
5642 		if (status) {
5643 			ice_free(hw, p);
5644 			goto err_ice_add_prof_id_vsig;
5645 		}
5646 
5647 		t->tcam[i].ptg = map->ptg[i];
5648 		t->tcam[i].prof_id = map->prof_id;
5649 		t->tcam[i].tcam_idx = tcam_idx;
5650 		t->tcam[i].attr = map->attr[i];
5651 		t->tcam[i].in_use = true;
5652 
5653 		p->type = ICE_TCAM_ADD;
5654 		p->add_tcam_idx = true;
5655 		p->prof_id = t->tcam[i].prof_id;
5656 		p->ptg = t->tcam[i].ptg;
5657 		p->vsig = vsig;
5658 		p->tcam_idx = t->tcam[i].tcam_idx;
5659 
5660 		/* set don't care masks for TCAM flags */
5661 		ice_set_tcam_flags(t->tcam[i].attr.mask, dc_msk);
5662 
5663 		/* write the TCAM entry */
5664 		status = ice_tcam_write_entry(hw, blk, t->tcam[i].tcam_idx,
5665 					      t->tcam[i].prof_id,
5666 					      t->tcam[i].ptg, vsig, 0,
5667 					      t->tcam[i].attr.flags, vl_msk,
5668 					      dc_msk, nm_msk);
5669 		if (status) {
5670 			ice_free(hw, p);
5671 			goto err_ice_add_prof_id_vsig;
5672 		}
5673 
5674 		/* log change */
5675 		LIST_ADD(&p->list_entry, chg);
5676 	}
5677 
5678 	/* add profile to VSIG */
5679 	vsig_idx = vsig & ICE_VSIG_IDX_M;
5680 	if (rev)
5681 		LIST_ADD_TAIL(&t->list,
5682 			      &hw->blk[blk].xlt2.vsig_tbl[vsig_idx].prop_lst);
5683 	else
5684 		LIST_ADD(&t->list,
5685 			 &hw->blk[blk].xlt2.vsig_tbl[vsig_idx].prop_lst);
5686 
5687 	ice_release_lock(&hw->blk[blk].es.prof_map_lock);
5688 	return status;
5689 
5690 err_ice_add_prof_id_vsig:
5691 	ice_release_lock(&hw->blk[blk].es.prof_map_lock);
5692 	/* let caller clean up the change list */
5693 	ice_free(hw, t);
5694 	return status;
5695 }
5696 
5697 /**
5698  * ice_create_prof_id_vsig - add a new VSIG with a single profile
5699  * @hw: pointer to the HW struct
5700  * @blk: hardware block
5701  * @vsi: the initial VSI that will be in VSIG
5702  * @hdl: the profile handle of the profile that will be added to the VSIG
5703  * @chg: the change list
5704  */
5705 static enum ice_status
5706 ice_create_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl,
5707 			struct LIST_HEAD_TYPE *chg)
5708 {
5709 	enum ice_status status;
5710 	struct ice_chs_chg *p;
5711 	u16 new_vsig;
5712 
5713 	p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p));
5714 	if (!p)
5715 		return ICE_ERR_NO_MEMORY;
5716 
5717 	new_vsig = ice_vsig_alloc(hw, blk);
5718 	if (!new_vsig) {
5719 		status = ICE_ERR_HW_TABLE;
5720 		goto err_ice_create_prof_id_vsig;
5721 	}
5722 
5723 	status = ice_move_vsi(hw, blk, vsi, new_vsig, chg);
5724 	if (status)
5725 		goto err_ice_create_prof_id_vsig;
5726 
5727 	status = ice_add_prof_id_vsig(hw, blk, new_vsig, hdl, false, chg);
5728 	if (status)
5729 		goto err_ice_create_prof_id_vsig;
5730 
5731 	p->type = ICE_VSIG_ADD;
5732 	p->vsi = vsi;
5733 	p->orig_vsig = ICE_DEFAULT_VSIG;
5734 	p->vsig = new_vsig;
5735 
5736 	LIST_ADD(&p->list_entry, chg);
5737 
5738 	return ICE_SUCCESS;
5739 
5740 err_ice_create_prof_id_vsig:
5741 	/* let caller clean up the change list */
5742 	ice_free(hw, p);
5743 	return status;
5744 }
5745 
5746 /**
5747  * ice_create_vsig_from_lst - create a new VSIG with a list of profiles
5748  * @hw: pointer to the HW struct
5749  * @blk: hardware block
5750  * @vsi: the initial VSI that will be in VSIG
5751  * @lst: the list of profile that will be added to the VSIG
5752  * @new_vsig: return of new VSIG
5753  * @chg: the change list
5754  */
5755 static enum ice_status
5756 ice_create_vsig_from_lst(struct ice_hw *hw, enum ice_block blk, u16 vsi,
5757 			 struct LIST_HEAD_TYPE *lst, u16 *new_vsig,
5758 			 struct LIST_HEAD_TYPE *chg)
5759 {
5760 	struct ice_vsig_prof *t;
5761 	enum ice_status status;
5762 	u16 vsig;
5763 
5764 	vsig = ice_vsig_alloc(hw, blk);
5765 	if (!vsig)
5766 		return ICE_ERR_HW_TABLE;
5767 
5768 	status = ice_move_vsi(hw, blk, vsi, vsig, chg);
5769 	if (status)
5770 		return status;
5771 
5772 	LIST_FOR_EACH_ENTRY(t, lst, ice_vsig_prof, list) {
5773 		/* Reverse the order here since we are copying the list */
5774 		status = ice_add_prof_id_vsig(hw, blk, vsig, t->profile_cookie,
5775 					      true, chg);
5776 		if (status)
5777 			return status;
5778 	}
5779 
5780 	*new_vsig = vsig;
5781 
5782 	return ICE_SUCCESS;
5783 }
5784 
5785 /**
5786  * ice_find_prof_vsig - find a VSIG with a specific profile handle
5787  * @hw: pointer to the HW struct
5788  * @blk: hardware block
5789  * @hdl: the profile handle of the profile to search for
5790  * @vsig: returns the VSIG with the matching profile
5791  */
5792 static bool
5793 ice_find_prof_vsig(struct ice_hw *hw, enum ice_block blk, u64 hdl, u16 *vsig)
5794 {
5795 	struct ice_vsig_prof *t;
5796 	struct LIST_HEAD_TYPE lst;
5797 	enum ice_status status;
5798 
5799 	INIT_LIST_HEAD(&lst);
5800 
5801 	t = (struct ice_vsig_prof *)ice_malloc(hw, sizeof(*t));
5802 	if (!t)
5803 		return false;
5804 
5805 	t->profile_cookie = hdl;
5806 	LIST_ADD(&t->list, &lst);
5807 
5808 	status = ice_find_dup_props_vsig(hw, blk, &lst, vsig);
5809 
5810 	LIST_DEL(&t->list);
5811 	ice_free(hw, t);
5812 
5813 	return status == ICE_SUCCESS;
5814 }
5815 
5816 /**
5817  * ice_add_vsi_flow - add VSI flow
5818  * @hw: pointer to the HW struct
5819  * @blk: hardware block
5820  * @vsi: input VSI
5821  * @vsig: target VSIG to include the input VSI
5822  *
5823  * Calling this function will add the VSI to a given VSIG and
5824  * update the HW tables accordingly. This call can be used to
5825  * add multiple VSIs to a VSIG if we know beforehand that those
5826  * VSIs have the same characteristics of the VSIG. This will
5827  * save time in generating a new VSIG and TCAMs till a match is
5828  * found and subsequent rollback when a matching VSIG is found.
5829  */
5830 enum ice_status
5831 ice_add_vsi_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig)
5832 {
5833 	struct ice_chs_chg *tmp, *del;
5834 	struct LIST_HEAD_TYPE chg;
5835 	enum ice_status status;
5836 
5837 	/* if target VSIG is default the move is invalid */
5838 	if ((vsig & ICE_VSIG_IDX_M) == ICE_DEFAULT_VSIG)
5839 		return ICE_ERR_PARAM;
5840 
5841 	INIT_LIST_HEAD(&chg);
5842 
5843 	/* move VSI to the VSIG that matches */
5844 	status = ice_move_vsi(hw, blk, vsi, vsig, &chg);
5845 	/* update hardware if success */
5846 	if (!status)
5847 		status = ice_upd_prof_hw(hw, blk, &chg);
5848 
5849 	LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &chg, ice_chs_chg, list_entry) {
5850 		LIST_DEL(&del->list_entry);
5851 		ice_free(hw, del);
5852 	}
5853 
5854 	return status;
5855 }
5856 
5857 /**
5858  * ice_add_prof_id_flow - add profile flow
5859  * @hw: pointer to the HW struct
5860  * @blk: hardware block
5861  * @vsi: the VSI to enable with the profile specified by ID
5862  * @hdl: profile handle
5863  *
5864  * Calling this function will update the hardware tables to enable the
5865  * profile indicated by the ID parameter for the VSIs specified in the VSI
5866  * array. Once successfully called, the flow will be enabled.
5867  */
5868 enum ice_status
5869 ice_add_prof_id_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl)
5870 {
5871 	struct ice_vsig_prof *tmp1, *del1;
5872 	struct LIST_HEAD_TYPE union_lst;
5873 	struct ice_chs_chg *tmp, *del;
5874 	struct LIST_HEAD_TYPE chg;
5875 	enum ice_status status;
5876 	u16 vsig;
5877 
5878 	INIT_LIST_HEAD(&union_lst);
5879 	INIT_LIST_HEAD(&chg);
5880 
5881 	/* Get profile */
5882 	status = ice_get_prof(hw, blk, hdl, &chg);
5883 	if (status)
5884 		return status;
5885 
5886 	/* determine if VSI is already part of a VSIG */
5887 	status = ice_vsig_find_vsi(hw, blk, vsi, &vsig);
5888 	if (!status && vsig) {
5889 		bool only_vsi;
5890 		u16 or_vsig;
5891 		u16 ref;
5892 
5893 		/* found in VSIG */
5894 		or_vsig = vsig;
5895 
5896 		/* make sure that there is no overlap/conflict between the new
5897 		 * characteristics and the existing ones; we don't support that
5898 		 * scenario
5899 		 */
5900 		if (ice_has_prof_vsig(hw, blk, vsig, hdl)) {
5901 			status = ICE_ERR_ALREADY_EXISTS;
5902 			goto err_ice_add_prof_id_flow;
5903 		}
5904 
5905 		/* last VSI in the VSIG? */
5906 		status = ice_vsig_get_ref(hw, blk, vsig, &ref);
5907 		if (status)
5908 			goto err_ice_add_prof_id_flow;
5909 		only_vsi = (ref == 1);
5910 
5911 		/* create a union of the current profiles and the one being
5912 		 * added
5913 		 */
5914 		status = ice_get_profs_vsig(hw, blk, vsig, &union_lst);
5915 		if (status)
5916 			goto err_ice_add_prof_id_flow;
5917 
5918 		status = ice_add_prof_to_lst(hw, blk, &union_lst, hdl);
5919 		if (status)
5920 			goto err_ice_add_prof_id_flow;
5921 
5922 		/* search for an existing VSIG with an exact charc match */
5923 		status = ice_find_dup_props_vsig(hw, blk, &union_lst, &vsig);
5924 		if (!status) {
5925 			/* move VSI to the VSIG that matches */
5926 			status = ice_move_vsi(hw, blk, vsi, vsig, &chg);
5927 			if (status)
5928 				goto err_ice_add_prof_id_flow;
5929 
5930 			/* VSI has been moved out of or_vsig. If the or_vsig had
5931 			 * only that VSI it is now empty and can be removed.
5932 			 */
5933 			if (only_vsi) {
5934 				status = ice_rem_vsig(hw, blk, or_vsig, &chg);
5935 				if (status)
5936 					goto err_ice_add_prof_id_flow;
5937 			}
5938 		} else if (only_vsi) {
5939 			/* If the original VSIG only contains one VSI, then it
5940 			 * will be the requesting VSI. In this case the VSI is
5941 			 * not sharing entries and we can simply add the new
5942 			 * profile to the VSIG.
5943 			 */
5944 			status = ice_add_prof_id_vsig(hw, blk, vsig, hdl, false,
5945 						      &chg);
5946 			if (status)
5947 				goto err_ice_add_prof_id_flow;
5948 
5949 			/* Adjust priorities */
5950 			status = ice_adj_prof_priorities(hw, blk, vsig, &chg);
5951 			if (status)
5952 				goto err_ice_add_prof_id_flow;
5953 		} else {
5954 			/* No match, so we need a new VSIG */
5955 			status = ice_create_vsig_from_lst(hw, blk, vsi,
5956 							  &union_lst, &vsig,
5957 							  &chg);
5958 			if (status)
5959 				goto err_ice_add_prof_id_flow;
5960 
5961 			/* Adjust priorities */
5962 			status = ice_adj_prof_priorities(hw, blk, vsig, &chg);
5963 			if (status)
5964 				goto err_ice_add_prof_id_flow;
5965 		}
5966 	} else {
5967 		/* need to find or add a VSIG */
5968 		/* search for an existing VSIG with an exact charc match */
5969 		if (ice_find_prof_vsig(hw, blk, hdl, &vsig)) {
5970 			/* found an exact match */
5971 			/* add or move VSI to the VSIG that matches */
5972 			status = ice_move_vsi(hw, blk, vsi, vsig, &chg);
5973 			if (status)
5974 				goto err_ice_add_prof_id_flow;
5975 		} else {
5976 			/* we did not find an exact match */
5977 			/* we need to add a VSIG */
5978 			status = ice_create_prof_id_vsig(hw, blk, vsi, hdl,
5979 							 &chg);
5980 			if (status)
5981 				goto err_ice_add_prof_id_flow;
5982 		}
5983 	}
5984 
5985 	/* update hardware */
5986 	if (!status)
5987 		status = ice_upd_prof_hw(hw, blk, &chg);
5988 
5989 err_ice_add_prof_id_flow:
5990 	LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &chg, ice_chs_chg, list_entry) {
5991 		LIST_DEL(&del->list_entry);
5992 		ice_free(hw, del);
5993 	}
5994 
5995 	LIST_FOR_EACH_ENTRY_SAFE(del1, tmp1, &union_lst, ice_vsig_prof, list) {
5996 		LIST_DEL(&del1->list);
5997 		ice_free(hw, del1);
5998 	}
5999 
6000 	return status;
6001 }
6002 
6003 /**
6004  * ice_rem_prof_from_list - remove a profile from list
6005  * @hw: pointer to the HW struct
6006  * @lst: list to remove the profile from
6007  * @hdl: the profile handle indicating the profile to remove
6008  */
6009 static enum ice_status
6010 ice_rem_prof_from_list(struct ice_hw *hw, struct LIST_HEAD_TYPE *lst, u64 hdl)
6011 {
6012 	struct ice_vsig_prof *ent, *tmp;
6013 
6014 	LIST_FOR_EACH_ENTRY_SAFE(ent, tmp, lst, ice_vsig_prof, list)
6015 		if (ent->profile_cookie == hdl) {
6016 			LIST_DEL(&ent->list);
6017 			ice_free(hw, ent);
6018 			return ICE_SUCCESS;
6019 		}
6020 
6021 	return ICE_ERR_DOES_NOT_EXIST;
6022 }
6023 
6024 /**
6025  * ice_rem_prof_id_flow - remove flow
6026  * @hw: pointer to the HW struct
6027  * @blk: hardware block
6028  * @vsi: the VSI from which to remove the profile specified by ID
6029  * @hdl: profile tracking handle
6030  *
6031  * Calling this function will update the hardware tables to remove the
6032  * profile indicated by the ID parameter for the VSIs specified in the VSI
6033  * array. Once successfully called, the flow will be disabled.
6034  */
6035 enum ice_status
6036 ice_rem_prof_id_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl)
6037 {
6038 	struct ice_vsig_prof *tmp1, *del1;
6039 	struct LIST_HEAD_TYPE chg, copy;
6040 	struct ice_chs_chg *tmp, *del;
6041 	enum ice_status status;
6042 	u16 vsig;
6043 
6044 	INIT_LIST_HEAD(&copy);
6045 	INIT_LIST_HEAD(&chg);
6046 
6047 	/* determine if VSI is already part of a VSIG */
6048 	status = ice_vsig_find_vsi(hw, blk, vsi, &vsig);
6049 	if (!status && vsig) {
6050 		bool last_profile;
6051 		bool only_vsi;
6052 		u16 ref;
6053 
6054 		/* found in VSIG */
6055 		last_profile = ice_vsig_prof_id_count(hw, blk, vsig) == 1;
6056 		status = ice_vsig_get_ref(hw, blk, vsig, &ref);
6057 		if (status)
6058 			goto err_ice_rem_prof_id_flow;
6059 		only_vsi = (ref == 1);
6060 
6061 		if (only_vsi) {
6062 			/* If the original VSIG only contains one reference,
6063 			 * which will be the requesting VSI, then the VSI is not
6064 			 * sharing entries and we can simply remove the specific
6065 			 * characteristics from the VSIG.
6066 			 */
6067 
6068 			if (last_profile) {
6069 				/* If there are no profiles left for this VSIG,
6070 				 * then simply remove the VSIG.
6071 				 */
6072 				status = ice_rem_vsig(hw, blk, vsig, &chg);
6073 				if (status)
6074 					goto err_ice_rem_prof_id_flow;
6075 			} else {
6076 				status = ice_rem_prof_id_vsig(hw, blk, vsig,
6077 							      hdl, &chg);
6078 				if (status)
6079 					goto err_ice_rem_prof_id_flow;
6080 
6081 				/* Adjust priorities */
6082 				status = ice_adj_prof_priorities(hw, blk, vsig,
6083 								 &chg);
6084 				if (status)
6085 					goto err_ice_rem_prof_id_flow;
6086 			}
6087 
6088 		} else {
6089 			/* Make a copy of the VSIG's list of Profiles */
6090 			status = ice_get_profs_vsig(hw, blk, vsig, &copy);
6091 			if (status)
6092 				goto err_ice_rem_prof_id_flow;
6093 
6094 			/* Remove specified profile entry from the list */
6095 			status = ice_rem_prof_from_list(hw, &copy, hdl);
6096 			if (status)
6097 				goto err_ice_rem_prof_id_flow;
6098 
6099 			if (LIST_EMPTY(&copy)) {
6100 				status = ice_move_vsi(hw, blk, vsi,
6101 						      ICE_DEFAULT_VSIG, &chg);
6102 				if (status)
6103 					goto err_ice_rem_prof_id_flow;
6104 
6105 			} else if (!ice_find_dup_props_vsig(hw, blk, &copy,
6106 							    &vsig)) {
6107 				/* found an exact match */
6108 				/* add or move VSI to the VSIG that matches */
6109 				/* Search for a VSIG with a matching profile
6110 				 * list
6111 				 */
6112 
6113 				/* Found match, move VSI to the matching VSIG */
6114 				status = ice_move_vsi(hw, blk, vsi, vsig, &chg);
6115 				if (status)
6116 					goto err_ice_rem_prof_id_flow;
6117 			} else {
6118 				/* since no existing VSIG supports this
6119 				 * characteristic pattern, we need to create a
6120 				 * new VSIG and TCAM entries
6121 				 */
6122 				status = ice_create_vsig_from_lst(hw, blk, vsi,
6123 								  &copy, &vsig,
6124 								  &chg);
6125 				if (status)
6126 					goto err_ice_rem_prof_id_flow;
6127 
6128 				/* Adjust priorities */
6129 				status = ice_adj_prof_priorities(hw, blk, vsig,
6130 								 &chg);
6131 				if (status)
6132 					goto err_ice_rem_prof_id_flow;
6133 			}
6134 		}
6135 	} else {
6136 		status = ICE_ERR_DOES_NOT_EXIST;
6137 	}
6138 
6139 	/* update hardware tables */
6140 	if (!status)
6141 		status = ice_upd_prof_hw(hw, blk, &chg);
6142 
6143 err_ice_rem_prof_id_flow:
6144 	LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &chg, ice_chs_chg, list_entry) {
6145 		LIST_DEL(&del->list_entry);
6146 		ice_free(hw, del);
6147 	}
6148 
6149 	LIST_FOR_EACH_ENTRY_SAFE(del1, tmp1, &copy, ice_vsig_prof, list) {
6150 		LIST_DEL(&del1->list);
6151 		ice_free(hw, del1);
6152 	}
6153 
6154 	return status;
6155 }
6156