xref: /dpdk/drivers/net/ice/base/ice_flex_pipe.c (revision f96a8ebb)
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 /* For supporting double VLAN mode, it is necessary to enable or disable certain
11  * boost tcam entries. The metadata labels names that match the following
12  * prefixes will be saved to allow enabling double VLAN mode.
13  */
14 #define ICE_DVM_PRE	"BOOST_MAC_VLAN_DVM"	/* enable these entries */
15 #define ICE_SVM_PRE	"BOOST_MAC_VLAN_SVM"	/* disable these entries */
16 
17 /* To support tunneling entries by PF, the package will append the PF number to
18  * the label; for example TNL_VXLAN_PF0, TNL_VXLAN_PF1, TNL_VXLAN_PF2, etc.
19  */
20 #define ICE_TNL_PRE	"TNL_"
21 static const struct ice_tunnel_type_scan tnls[] = {
22 	{ TNL_VXLAN,		"TNL_VXLAN_PF" },
23 	{ TNL_GENEVE,		"TNL_GENEVE_PF" },
24 	{ TNL_ECPRI,		"TNL_UDP_ECPRI_PF" },
25 	{ TNL_LAST,		"" }
26 };
27 
28 static const u32 ice_sect_lkup[ICE_BLK_COUNT][ICE_SECT_COUNT] = {
29 	/* SWITCH */
30 	{
31 		ICE_SID_XLT0_SW,
32 		ICE_SID_XLT_KEY_BUILDER_SW,
33 		ICE_SID_XLT1_SW,
34 		ICE_SID_XLT2_SW,
35 		ICE_SID_PROFID_TCAM_SW,
36 		ICE_SID_PROFID_REDIR_SW,
37 		ICE_SID_FLD_VEC_SW,
38 		ICE_SID_CDID_KEY_BUILDER_SW,
39 		ICE_SID_CDID_REDIR_SW
40 	},
41 
42 	/* ACL */
43 	{
44 		ICE_SID_XLT0_ACL,
45 		ICE_SID_XLT_KEY_BUILDER_ACL,
46 		ICE_SID_XLT1_ACL,
47 		ICE_SID_XLT2_ACL,
48 		ICE_SID_PROFID_TCAM_ACL,
49 		ICE_SID_PROFID_REDIR_ACL,
50 		ICE_SID_FLD_VEC_ACL,
51 		ICE_SID_CDID_KEY_BUILDER_ACL,
52 		ICE_SID_CDID_REDIR_ACL
53 	},
54 
55 	/* FD */
56 	{
57 		ICE_SID_XLT0_FD,
58 		ICE_SID_XLT_KEY_BUILDER_FD,
59 		ICE_SID_XLT1_FD,
60 		ICE_SID_XLT2_FD,
61 		ICE_SID_PROFID_TCAM_FD,
62 		ICE_SID_PROFID_REDIR_FD,
63 		ICE_SID_FLD_VEC_FD,
64 		ICE_SID_CDID_KEY_BUILDER_FD,
65 		ICE_SID_CDID_REDIR_FD
66 	},
67 
68 	/* RSS */
69 	{
70 		ICE_SID_XLT0_RSS,
71 		ICE_SID_XLT_KEY_BUILDER_RSS,
72 		ICE_SID_XLT1_RSS,
73 		ICE_SID_XLT2_RSS,
74 		ICE_SID_PROFID_TCAM_RSS,
75 		ICE_SID_PROFID_REDIR_RSS,
76 		ICE_SID_FLD_VEC_RSS,
77 		ICE_SID_CDID_KEY_BUILDER_RSS,
78 		ICE_SID_CDID_REDIR_RSS
79 	},
80 
81 	/* PE */
82 	{
83 		ICE_SID_XLT0_PE,
84 		ICE_SID_XLT_KEY_BUILDER_PE,
85 		ICE_SID_XLT1_PE,
86 		ICE_SID_XLT2_PE,
87 		ICE_SID_PROFID_TCAM_PE,
88 		ICE_SID_PROFID_REDIR_PE,
89 		ICE_SID_FLD_VEC_PE,
90 		ICE_SID_CDID_KEY_BUILDER_PE,
91 		ICE_SID_CDID_REDIR_PE
92 	}
93 };
94 
95 /**
96  * ice_sect_id - returns section ID
97  * @blk: block type
98  * @sect: section type
99  *
100  * This helper function returns the proper section ID given a block type and a
101  * section type.
102  */
103 static u32 ice_sect_id(enum ice_block blk, enum ice_sect sect)
104 {
105 	return ice_sect_lkup[blk][sect];
106 }
107 
108 /**
109  * ice_pkg_val_buf
110  * @buf: pointer to the ice buffer
111  *
112  * This helper function validates a buffer's header.
113  */
114 static struct ice_buf_hdr *ice_pkg_val_buf(struct ice_buf *buf)
115 {
116 	struct ice_buf_hdr *hdr;
117 	u16 section_count;
118 	u16 data_end;
119 
120 	hdr = (struct ice_buf_hdr *)buf->buf;
121 	/* verify data */
122 	section_count = LE16_TO_CPU(hdr->section_count);
123 	if (section_count < ICE_MIN_S_COUNT || section_count > ICE_MAX_S_COUNT)
124 		return NULL;
125 
126 	data_end = LE16_TO_CPU(hdr->data_end);
127 	if (data_end < ICE_MIN_S_DATA_END || data_end > ICE_MAX_S_DATA_END)
128 		return NULL;
129 
130 	return hdr;
131 }
132 
133 /**
134  * ice_find_buf_table
135  * @ice_seg: pointer to the ice segment
136  *
137  * Returns the address of the buffer table within the ice segment.
138  */
139 static struct ice_buf_table *ice_find_buf_table(struct ice_seg *ice_seg)
140 {
141 	struct ice_nvm_table *nvms;
142 
143 	nvms = (struct ice_nvm_table *)
144 		(ice_seg->device_table +
145 		 LE32_TO_CPU(ice_seg->device_table_count));
146 
147 	return (_FORCE_ struct ice_buf_table *)
148 		(nvms->vers + LE32_TO_CPU(nvms->table_count));
149 }
150 
151 /**
152  * ice_pkg_enum_buf
153  * @ice_seg: pointer to the ice segment (or NULL on subsequent calls)
154  * @state: pointer to the enum state
155  *
156  * This function will enumerate all the buffers in the ice segment. The first
157  * call is made with the ice_seg parameter non-NULL; on subsequent calls,
158  * ice_seg is set to NULL which continues the enumeration. When the function
159  * returns a NULL pointer, then the end of the buffers has been reached, or an
160  * unexpected value has been detected (for example an invalid section count or
161  * an invalid buffer end value).
162  */
163 static struct ice_buf_hdr *
164 ice_pkg_enum_buf(struct ice_seg *ice_seg, struct ice_pkg_enum *state)
165 {
166 	if (ice_seg) {
167 		state->buf_table = ice_find_buf_table(ice_seg);
168 		if (!state->buf_table)
169 			return NULL;
170 
171 		state->buf_idx = 0;
172 		return ice_pkg_val_buf(state->buf_table->buf_array);
173 	}
174 
175 	if (++state->buf_idx < LE32_TO_CPU(state->buf_table->buf_count))
176 		return ice_pkg_val_buf(state->buf_table->buf_array +
177 				       state->buf_idx);
178 	else
179 		return NULL;
180 }
181 
182 /**
183  * ice_pkg_advance_sect
184  * @ice_seg: pointer to the ice segment (or NULL on subsequent calls)
185  * @state: pointer to the enum state
186  *
187  * This helper function will advance the section within the ice segment,
188  * also advancing the buffer if needed.
189  */
190 static bool
191 ice_pkg_advance_sect(struct ice_seg *ice_seg, struct ice_pkg_enum *state)
192 {
193 	if (!ice_seg && !state->buf)
194 		return false;
195 
196 	if (!ice_seg && state->buf)
197 		if (++state->sect_idx < LE16_TO_CPU(state->buf->section_count))
198 			return true;
199 
200 	state->buf = ice_pkg_enum_buf(ice_seg, state);
201 	if (!state->buf)
202 		return false;
203 
204 	/* start of new buffer, reset section index */
205 	state->sect_idx = 0;
206 	return true;
207 }
208 
209 /**
210  * ice_pkg_enum_section
211  * @ice_seg: pointer to the ice segment (or NULL on subsequent calls)
212  * @state: pointer to the enum state
213  * @sect_type: section type to enumerate
214  *
215  * This function will enumerate all the sections of a particular type in the
216  * ice segment. The first call is made with the ice_seg parameter non-NULL;
217  * on subsequent calls, ice_seg is set to NULL which continues the enumeration.
218  * When the function returns a NULL pointer, then the end of the matching
219  * sections has been reached.
220  */
221 static void *
222 ice_pkg_enum_section(struct ice_seg *ice_seg, struct ice_pkg_enum *state,
223 		     u32 sect_type)
224 {
225 	u16 offset, size;
226 
227 	if (ice_seg)
228 		state->type = sect_type;
229 
230 	if (!ice_pkg_advance_sect(ice_seg, state))
231 		return NULL;
232 
233 	/* scan for next matching section */
234 	while (state->buf->section_entry[state->sect_idx].type !=
235 	       CPU_TO_LE32(state->type))
236 		if (!ice_pkg_advance_sect(NULL, state))
237 			return NULL;
238 
239 	/* validate section */
240 	offset = LE16_TO_CPU(state->buf->section_entry[state->sect_idx].offset);
241 	if (offset < ICE_MIN_S_OFF || offset > ICE_MAX_S_OFF)
242 		return NULL;
243 
244 	size = LE16_TO_CPU(state->buf->section_entry[state->sect_idx].size);
245 	if (size < ICE_MIN_S_SZ || size > ICE_MAX_S_SZ)
246 		return NULL;
247 
248 	/* make sure the section fits in the buffer */
249 	if (offset + size > ICE_PKG_BUF_SIZE)
250 		return NULL;
251 
252 	state->sect_type =
253 		LE32_TO_CPU(state->buf->section_entry[state->sect_idx].type);
254 
255 	/* calc pointer to this section */
256 	state->sect = ((u8 *)state->buf) +
257 		LE16_TO_CPU(state->buf->section_entry[state->sect_idx].offset);
258 
259 	return state->sect;
260 }
261 
262 /**
263  * ice_pkg_enum_entry
264  * @ice_seg: pointer to the ice segment (or NULL on subsequent calls)
265  * @state: pointer to the enum state
266  * @sect_type: section type to enumerate
267  * @offset: pointer to variable that receives the offset in the table (optional)
268  * @handler: function that handles access to the entries into the section type
269  *
270  * This function will enumerate all the entries in particular section type in
271  * the ice segment. The first call is made with the ice_seg parameter non-NULL;
272  * on subsequent calls, ice_seg is set to NULL which continues the enumeration.
273  * When the function returns a NULL pointer, then the end of the entries has
274  * been reached.
275  *
276  * Since each section may have a different header and entry size, the handler
277  * function is needed to determine the number and location entries in each
278  * section.
279  *
280  * The offset parameter is optional, but should be used for sections that
281  * contain an offset for each section table. For such cases, the section handler
282  * function must return the appropriate offset + index to give the absolution
283  * offset for each entry. For example, if the base for a section's header
284  * indicates a base offset of 10, and the index for the entry is 2, then
285  * section handler function should set the offset to 10 + 2 = 12.
286  */
287 static void *
288 ice_pkg_enum_entry(struct ice_seg *ice_seg, struct ice_pkg_enum *state,
289 		   u32 sect_type, u32 *offset,
290 		   void *(*handler)(u32 sect_type, void *section,
291 				    u32 index, u32 *offset))
292 {
293 	void *entry;
294 
295 	if (ice_seg) {
296 		if (!handler)
297 			return NULL;
298 
299 		if (!ice_pkg_enum_section(ice_seg, state, sect_type))
300 			return NULL;
301 
302 		state->entry_idx = 0;
303 		state->handler = handler;
304 	} else {
305 		state->entry_idx++;
306 	}
307 
308 	if (!state->handler)
309 		return NULL;
310 
311 	/* get entry */
312 	entry = state->handler(state->sect_type, state->sect, state->entry_idx,
313 			       offset);
314 	if (!entry) {
315 		/* end of a section, look for another section of this type */
316 		if (!ice_pkg_enum_section(NULL, state, 0))
317 			return NULL;
318 
319 		state->entry_idx = 0;
320 		entry = state->handler(state->sect_type, state->sect,
321 				       state->entry_idx, offset);
322 	}
323 
324 	return entry;
325 }
326 
327 /**
328  * ice_hw_ptype_ena - check if the PTYPE is enabled or not
329  * @hw: pointer to the HW structure
330  * @ptype: the hardware PTYPE
331  */
332 bool ice_hw_ptype_ena(struct ice_hw *hw, u16 ptype)
333 {
334 	return ptype < ICE_FLOW_PTYPE_MAX &&
335 	       ice_is_bit_set(hw->hw_ptype, ptype);
336 }
337 
338 /**
339  * ice_marker_ptype_tcam_handler
340  * @sect_type: section type
341  * @section: pointer to section
342  * @index: index of the Marker PType TCAM entry to be returned
343  * @offset: pointer to receive absolute offset, always 0 for ptype TCAM sections
344  *
345  * This is a callback function that can be passed to ice_pkg_enum_entry.
346  * Handles enumeration of individual Marker PType TCAM entries.
347  */
348 static void *
349 ice_marker_ptype_tcam_handler(u32 sect_type, void *section, u32 index,
350 			      u32 *offset)
351 {
352 	struct ice_marker_ptype_tcam_section *marker_ptype;
353 
354 	if (!section)
355 		return NULL;
356 
357 	if (sect_type != ICE_SID_RXPARSER_MARKER_PTYPE)
358 		return NULL;
359 
360 	if (index > ICE_MAX_MARKER_PTYPE_TCAMS_IN_BUF)
361 		return NULL;
362 
363 	if (offset)
364 		*offset = 0;
365 
366 	marker_ptype = (struct ice_marker_ptype_tcam_section *)section;
367 	if (index >= LE16_TO_CPU(marker_ptype->count))
368 		return NULL;
369 
370 	return marker_ptype->tcam + index;
371 }
372 
373 /**
374  * ice_fill_hw_ptype - fill the enabled PTYPE bit information
375  * @hw: pointer to the HW structure
376  */
377 static void
378 ice_fill_hw_ptype(struct ice_hw *hw)
379 {
380 	struct ice_marker_ptype_tcam_entry *tcam;
381 	struct ice_seg *seg = hw->seg;
382 	struct ice_pkg_enum state;
383 
384 	ice_zero_bitmap(hw->hw_ptype, ICE_FLOW_PTYPE_MAX);
385 	if (!seg)
386 		return;
387 
388 	ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM);
389 
390 	do {
391 		tcam = (struct ice_marker_ptype_tcam_entry *)
392 			ice_pkg_enum_entry(seg, &state,
393 					   ICE_SID_RXPARSER_MARKER_PTYPE, NULL,
394 					   ice_marker_ptype_tcam_handler);
395 		if (tcam &&
396 		    LE16_TO_CPU(tcam->addr) < ICE_MARKER_PTYPE_TCAM_ADDR_MAX &&
397 		    LE16_TO_CPU(tcam->ptype) < ICE_FLOW_PTYPE_MAX)
398 			ice_set_bit(LE16_TO_CPU(tcam->ptype), hw->hw_ptype);
399 
400 		seg = NULL;
401 	} while (tcam);
402 }
403 
404 /**
405  * ice_boost_tcam_handler
406  * @sect_type: section type
407  * @section: pointer to section
408  * @index: index of the boost TCAM entry to be returned
409  * @offset: pointer to receive absolute offset, always 0 for boost TCAM sections
410  *
411  * This is a callback function that can be passed to ice_pkg_enum_entry.
412  * Handles enumeration of individual boost TCAM entries.
413  */
414 static void *
415 ice_boost_tcam_handler(u32 sect_type, void *section, u32 index, u32 *offset)
416 {
417 	struct ice_boost_tcam_section *boost;
418 
419 	if (!section)
420 		return NULL;
421 
422 	if (sect_type != ICE_SID_RXPARSER_BOOST_TCAM)
423 		return NULL;
424 
425 	if (index > ICE_MAX_BST_TCAMS_IN_BUF)
426 		return NULL;
427 
428 	if (offset)
429 		*offset = 0;
430 
431 	boost = (struct ice_boost_tcam_section *)section;
432 	if (index >= LE16_TO_CPU(boost->count))
433 		return NULL;
434 
435 	return boost->tcam + index;
436 }
437 
438 /**
439  * ice_find_boost_entry
440  * @ice_seg: pointer to the ice segment (non-NULL)
441  * @addr: Boost TCAM address of entry to search for
442  * @entry: returns pointer to the entry
443  *
444  * Finds a particular Boost TCAM entry and returns a pointer to that entry
445  * if it is found. The ice_seg parameter must not be NULL since the first call
446  * to ice_pkg_enum_entry requires a pointer to an actual ice_segment structure.
447  */
448 static enum ice_status
449 ice_find_boost_entry(struct ice_seg *ice_seg, u16 addr,
450 		     struct ice_boost_tcam_entry **entry)
451 {
452 	struct ice_boost_tcam_entry *tcam;
453 	struct ice_pkg_enum state;
454 
455 	ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM);
456 
457 	if (!ice_seg)
458 		return ICE_ERR_PARAM;
459 
460 	do {
461 		tcam = (struct ice_boost_tcam_entry *)
462 		       ice_pkg_enum_entry(ice_seg, &state,
463 					  ICE_SID_RXPARSER_BOOST_TCAM, NULL,
464 					  ice_boost_tcam_handler);
465 		if (tcam && LE16_TO_CPU(tcam->addr) == addr) {
466 			*entry = tcam;
467 			return ICE_SUCCESS;
468 		}
469 
470 		ice_seg = NULL;
471 	} while (tcam);
472 
473 	*entry = NULL;
474 	return ICE_ERR_CFG;
475 }
476 
477 /**
478  * ice_label_enum_handler
479  * @sect_type: section type
480  * @section: pointer to section
481  * @index: index of the label entry to be returned
482  * @offset: pointer to receive absolute offset, always zero for label sections
483  *
484  * This is a callback function that can be passed to ice_pkg_enum_entry.
485  * Handles enumeration of individual label entries.
486  */
487 static void *
488 ice_label_enum_handler(u32 __ALWAYS_UNUSED sect_type, void *section, u32 index,
489 		       u32 *offset)
490 {
491 	struct ice_label_section *labels;
492 
493 	if (!section)
494 		return NULL;
495 
496 	if (index > ICE_MAX_LABELS_IN_BUF)
497 		return NULL;
498 
499 	if (offset)
500 		*offset = 0;
501 
502 	labels = (struct ice_label_section *)section;
503 	if (index >= LE16_TO_CPU(labels->count))
504 		return NULL;
505 
506 	return labels->label + index;
507 }
508 
509 /**
510  * ice_enum_labels
511  * @ice_seg: pointer to the ice segment (NULL on subsequent calls)
512  * @type: the section type that will contain the label (0 on subsequent calls)
513  * @state: ice_pkg_enum structure that will hold the state of the enumeration
514  * @value: pointer to a value that will return the label's value if found
515  *
516  * Enumerates a list of labels in the package. The caller will call
517  * ice_enum_labels(ice_seg, type, ...) to start the enumeration, then call
518  * ice_enum_labels(NULL, 0, ...) to continue. When the function returns a NULL
519  * the end of the list has been reached.
520  */
521 static char *
522 ice_enum_labels(struct ice_seg *ice_seg, u32 type, struct ice_pkg_enum *state,
523 		u16 *value)
524 {
525 	struct ice_label *label;
526 
527 	/* Check for valid label section on first call */
528 	if (type && !(type >= ICE_SID_LBL_FIRST && type <= ICE_SID_LBL_LAST))
529 		return NULL;
530 
531 	label = (struct ice_label *)ice_pkg_enum_entry(ice_seg, state, type,
532 						       NULL,
533 						       ice_label_enum_handler);
534 	if (!label)
535 		return NULL;
536 
537 	*value = LE16_TO_CPU(label->value);
538 	return label->name;
539 }
540 
541 /**
542  * ice_add_tunnel_hint
543  * @hw: pointer to the HW structure
544  * @label_name: label text
545  * @val: value of the tunnel port boost entry
546  */
547 static void ice_add_tunnel_hint(struct ice_hw *hw, char *label_name, u16 val)
548 {
549 	if (hw->tnl.count < ICE_TUNNEL_MAX_ENTRIES) {
550 		u16 i;
551 
552 		for (i = 0; tnls[i].type != TNL_LAST; i++) {
553 			size_t len = strlen(tnls[i].label_prefix);
554 
555 			/* Look for matching label start, before continuing */
556 			if (strncmp(label_name, tnls[i].label_prefix, len))
557 				continue;
558 
559 			/* Make sure this label matches our PF. Note that the PF
560 			 * character ('0' - '7') will be located where our
561 			 * prefix string's null terminator is located.
562 			 */
563 			if ((label_name[len] - '0') == hw->pf_id) {
564 				hw->tnl.tbl[hw->tnl.count].type = tnls[i].type;
565 				hw->tnl.tbl[hw->tnl.count].valid = false;
566 				hw->tnl.tbl[hw->tnl.count].in_use = false;
567 				hw->tnl.tbl[hw->tnl.count].marked = false;
568 				hw->tnl.tbl[hw->tnl.count].boost_addr = val;
569 				hw->tnl.tbl[hw->tnl.count].port = 0;
570 				hw->tnl.count++;
571 				break;
572 			}
573 		}
574 	}
575 }
576 
577 /**
578  * ice_add_dvm_hint
579  * @hw: pointer to the HW structure
580  * @val: value of the boost entry
581  * @enable: true if entry needs to be enabled, or false if needs to be disabled
582  */
583 static void ice_add_dvm_hint(struct ice_hw *hw, u16 val, bool enable)
584 {
585 	if (hw->dvm_upd.count < ICE_DVM_MAX_ENTRIES) {
586 		hw->dvm_upd.tbl[hw->dvm_upd.count].boost_addr = val;
587 		hw->dvm_upd.tbl[hw->dvm_upd.count].enable = enable;
588 		hw->dvm_upd.count++;
589 	}
590 }
591 
592 /**
593  * ice_init_pkg_hints
594  * @hw: pointer to the HW structure
595  * @ice_seg: pointer to the segment of the package scan (non-NULL)
596  *
597  * This function will scan the package and save off relevant information
598  * (hints or metadata) for driver use. The ice_seg parameter must not be NULL
599  * since the first call to ice_enum_labels requires a pointer to an actual
600  * ice_seg structure.
601  */
602 static void ice_init_pkg_hints(struct ice_hw *hw, struct ice_seg *ice_seg)
603 {
604 	struct ice_pkg_enum state;
605 	char *label_name;
606 	u16 val;
607 	int i;
608 
609 	ice_memset(&hw->tnl, 0, sizeof(hw->tnl), ICE_NONDMA_MEM);
610 	ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM);
611 
612 	if (!ice_seg)
613 		return;
614 
615 	label_name = ice_enum_labels(ice_seg, ICE_SID_LBL_RXPARSER_TMEM, &state,
616 				     &val);
617 
618 	while (label_name) {
619 		if (!strncmp(label_name, ICE_TNL_PRE, strlen(ICE_TNL_PRE)))
620 			/* check for a tunnel entry */
621 			ice_add_tunnel_hint(hw, label_name, val);
622 
623 		/* check for a dvm mode entry */
624 		else if (!strncmp(label_name, ICE_DVM_PRE, strlen(ICE_DVM_PRE)))
625 			ice_add_dvm_hint(hw, val, true);
626 
627 		/* check for a svm mode entry */
628 		else if (!strncmp(label_name, ICE_SVM_PRE, strlen(ICE_SVM_PRE)))
629 			ice_add_dvm_hint(hw, val, false);
630 
631 		label_name = ice_enum_labels(NULL, 0, &state, &val);
632 	}
633 
634 	/* Cache the appropriate boost TCAM entry pointers for tunnels */
635 	for (i = 0; i < hw->tnl.count; i++) {
636 		ice_find_boost_entry(ice_seg, hw->tnl.tbl[i].boost_addr,
637 				     &hw->tnl.tbl[i].boost_entry);
638 		if (hw->tnl.tbl[i].boost_entry)
639 			hw->tnl.tbl[i].valid = true;
640 	}
641 
642 	/* Cache the appropriate boost TCAM entry pointers for DVM and SVM */
643 	for (i = 0; i < hw->dvm_upd.count; i++)
644 		ice_find_boost_entry(ice_seg, hw->dvm_upd.tbl[i].boost_addr,
645 				     &hw->dvm_upd.tbl[i].boost_entry);
646 }
647 
648 /* Key creation */
649 
650 #define ICE_DC_KEY	0x1	/* don't care */
651 #define ICE_DC_KEYINV	0x1
652 #define ICE_NM_KEY	0x0	/* never match */
653 #define ICE_NM_KEYINV	0x0
654 #define ICE_0_KEY	0x1	/* match 0 */
655 #define ICE_0_KEYINV	0x0
656 #define ICE_1_KEY	0x0	/* match 1 */
657 #define ICE_1_KEYINV	0x1
658 
659 /**
660  * ice_gen_key_word - generate 16-bits of a key/mask word
661  * @val: the value
662  * @valid: valid bits mask (change only the valid bits)
663  * @dont_care: don't care mask
664  * @nvr_mtch: never match mask
665  * @key: pointer to an array of where the resulting key portion
666  * @key_inv: pointer to an array of where the resulting key invert portion
667  *
668  * This function generates 16-bits from a 8-bit value, an 8-bit don't care mask
669  * and an 8-bit never match mask. The 16-bits of output are divided into 8 bits
670  * of key and 8 bits of key invert.
671  *
672  *     '0' =    b01, always match a 0 bit
673  *     '1' =    b10, always match a 1 bit
674  *     '?' =    b11, don't care bit (always matches)
675  *     '~' =    b00, never match bit
676  *
677  * Input:
678  *          val:         b0  1  0  1  0  1
679  *          dont_care:   b0  0  1  1  0  0
680  *          never_mtch:  b0  0  0  0  1  1
681  *          ------------------------------
682  * Result:  key:        b01 10 11 11 00 00
683  */
684 static enum ice_status
685 ice_gen_key_word(u8 val, u8 valid, u8 dont_care, u8 nvr_mtch, u8 *key,
686 		 u8 *key_inv)
687 {
688 	u8 in_key = *key, in_key_inv = *key_inv;
689 	u8 i;
690 
691 	/* 'dont_care' and 'nvr_mtch' masks cannot overlap */
692 	if ((dont_care ^ nvr_mtch) != (dont_care | nvr_mtch))
693 		return ICE_ERR_CFG;
694 
695 	*key = 0;
696 	*key_inv = 0;
697 
698 	/* encode the 8 bits into 8-bit key and 8-bit key invert */
699 	for (i = 0; i < 8; i++) {
700 		*key >>= 1;
701 		*key_inv >>= 1;
702 
703 		if (!(valid & 0x1)) { /* change only valid bits */
704 			*key |= (in_key & 0x1) << 7;
705 			*key_inv |= (in_key_inv & 0x1) << 7;
706 		} else if (dont_care & 0x1) { /* don't care bit */
707 			*key |= ICE_DC_KEY << 7;
708 			*key_inv |= ICE_DC_KEYINV << 7;
709 		} else if (nvr_mtch & 0x1) { /* never match bit */
710 			*key |= ICE_NM_KEY << 7;
711 			*key_inv |= ICE_NM_KEYINV << 7;
712 		} else if (val & 0x01) { /* exact 1 match */
713 			*key |= ICE_1_KEY << 7;
714 			*key_inv |= ICE_1_KEYINV << 7;
715 		} else { /* exact 0 match */
716 			*key |= ICE_0_KEY << 7;
717 			*key_inv |= ICE_0_KEYINV << 7;
718 		}
719 
720 		dont_care >>= 1;
721 		nvr_mtch >>= 1;
722 		valid >>= 1;
723 		val >>= 1;
724 		in_key >>= 1;
725 		in_key_inv >>= 1;
726 	}
727 
728 	return ICE_SUCCESS;
729 }
730 
731 /**
732  * ice_bits_max_set - determine if the number of bits set is within a maximum
733  * @mask: pointer to the byte array which is the mask
734  * @size: the number of bytes in the mask
735  * @max: the max number of set bits
736  *
737  * This function determines if there are at most 'max' number of bits set in an
738  * array. Returns true if the number for bits set is <= max or will return false
739  * otherwise.
740  */
741 static bool ice_bits_max_set(const u8 *mask, u16 size, u16 max)
742 {
743 	u16 count = 0;
744 	u16 i;
745 
746 	/* check each byte */
747 	for (i = 0; i < size; i++) {
748 		/* if 0, go to next byte */
749 		if (!mask[i])
750 			continue;
751 
752 		/* We know there is at least one set bit in this byte because of
753 		 * the above check; if we already have found 'max' number of
754 		 * bits set, then we can return failure now.
755 		 */
756 		if (count == max)
757 			return false;
758 
759 		/* count the bits in this byte, checking threshold */
760 		count += ice_hweight8(mask[i]);
761 		if (count > max)
762 			return false;
763 	}
764 
765 	return true;
766 }
767 
768 /**
769  * ice_set_key - generate a variable sized key with multiples of 16-bits
770  * @key: pointer to where the key will be stored
771  * @size: the size of the complete key in bytes (must be even)
772  * @val: array of 8-bit values that makes up the value portion of the key
773  * @upd: array of 8-bit masks that determine what key portion to update
774  * @dc: array of 8-bit masks that make up the don't care mask
775  * @nm: array of 8-bit masks that make up the never match mask
776  * @off: the offset of the first byte in the key to update
777  * @len: the number of bytes in the key update
778  *
779  * This function generates a key from a value, a don't care mask and a never
780  * match mask.
781  * upd, dc, and nm are optional parameters, and can be NULL:
782  *	upd == NULL --> upd mask is all 1's (update all bits)
783  *	dc == NULL --> dc mask is all 0's (no don't care bits)
784  *	nm == NULL --> nm mask is all 0's (no never match bits)
785  */
786 enum ice_status
787 ice_set_key(u8 *key, u16 size, u8 *val, u8 *upd, u8 *dc, u8 *nm, u16 off,
788 	    u16 len)
789 {
790 	u16 half_size;
791 	u16 i;
792 
793 	/* size must be a multiple of 2 bytes. */
794 	if (size % 2)
795 		return ICE_ERR_CFG;
796 	half_size = size / 2;
797 
798 	if (off + len > half_size)
799 		return ICE_ERR_CFG;
800 
801 	/* Make sure at most one bit is set in the never match mask. Having more
802 	 * than one never match mask bit set will cause HW to consume excessive
803 	 * power otherwise; this is a power management efficiency check.
804 	 */
805 #define ICE_NVR_MTCH_BITS_MAX	1
806 	if (nm && !ice_bits_max_set(nm, len, ICE_NVR_MTCH_BITS_MAX))
807 		return ICE_ERR_CFG;
808 
809 	for (i = 0; i < len; i++)
810 		if (ice_gen_key_word(val[i], upd ? upd[i] : 0xff,
811 				     dc ? dc[i] : 0, nm ? nm[i] : 0,
812 				     key + off + i, key + half_size + off + i))
813 			return ICE_ERR_CFG;
814 
815 	return ICE_SUCCESS;
816 }
817 
818 /**
819  * ice_acquire_global_cfg_lock
820  * @hw: pointer to the HW structure
821  * @access: access type (read or write)
822  *
823  * This function will request ownership of the global config lock for reading
824  * or writing of the package. When attempting to obtain write access, the
825  * caller must check for the following two return values:
826  *
827  * ICE_SUCCESS        - Means the caller has acquired the global config lock
828  *                      and can perform writing of the package.
829  * ICE_ERR_AQ_NO_WORK - Indicates another driver has already written the
830  *                      package or has found that no update was necessary; in
831  *                      this case, the caller can just skip performing any
832  *                      update of the package.
833  */
834 static enum ice_status
835 ice_acquire_global_cfg_lock(struct ice_hw *hw,
836 			    enum ice_aq_res_access_type access)
837 {
838 	enum ice_status status;
839 
840 	ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
841 
842 	status = ice_acquire_res(hw, ICE_GLOBAL_CFG_LOCK_RES_ID, access,
843 				 ICE_GLOBAL_CFG_LOCK_TIMEOUT);
844 
845 	if (status == ICE_ERR_AQ_NO_WORK)
846 		ice_debug(hw, ICE_DBG_PKG, "Global config lock: No work to do\n");
847 
848 	return status;
849 }
850 
851 /**
852  * ice_release_global_cfg_lock
853  * @hw: pointer to the HW structure
854  *
855  * This function will release the global config lock.
856  */
857 static void ice_release_global_cfg_lock(struct ice_hw *hw)
858 {
859 	ice_release_res(hw, ICE_GLOBAL_CFG_LOCK_RES_ID);
860 }
861 
862 /**
863  * ice_acquire_change_lock
864  * @hw: pointer to the HW structure
865  * @access: access type (read or write)
866  *
867  * This function will request ownership of the change lock.
868  */
869 enum ice_status
870 ice_acquire_change_lock(struct ice_hw *hw, enum ice_aq_res_access_type access)
871 {
872 	ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
873 
874 	return ice_acquire_res(hw, ICE_CHANGE_LOCK_RES_ID, access,
875 			       ICE_CHANGE_LOCK_TIMEOUT);
876 }
877 
878 /**
879  * ice_release_change_lock
880  * @hw: pointer to the HW structure
881  *
882  * This function will release the change lock using the proper Admin Command.
883  */
884 void ice_release_change_lock(struct ice_hw *hw)
885 {
886 	ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
887 
888 	ice_release_res(hw, ICE_CHANGE_LOCK_RES_ID);
889 }
890 
891 /**
892  * ice_aq_download_pkg
893  * @hw: pointer to the hardware structure
894  * @pkg_buf: the package buffer to transfer
895  * @buf_size: the size of the package buffer
896  * @last_buf: last buffer indicator
897  * @error_offset: returns error offset
898  * @error_info: returns error information
899  * @cd: pointer to command details structure or NULL
900  *
901  * Download Package (0x0C40)
902  */
903 static enum ice_status
904 ice_aq_download_pkg(struct ice_hw *hw, struct ice_buf_hdr *pkg_buf,
905 		    u16 buf_size, bool last_buf, u32 *error_offset,
906 		    u32 *error_info, struct ice_sq_cd *cd)
907 {
908 	struct ice_aqc_download_pkg *cmd;
909 	struct ice_aq_desc desc;
910 	enum ice_status status;
911 
912 	ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
913 
914 	if (error_offset)
915 		*error_offset = 0;
916 	if (error_info)
917 		*error_info = 0;
918 
919 	cmd = &desc.params.download_pkg;
920 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_download_pkg);
921 	desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
922 
923 	if (last_buf)
924 		cmd->flags |= ICE_AQC_DOWNLOAD_PKG_LAST_BUF;
925 
926 	status = ice_aq_send_cmd(hw, &desc, pkg_buf, buf_size, cd);
927 	if (status == ICE_ERR_AQ_ERROR) {
928 		/* Read error from buffer only when the FW returned an error */
929 		struct ice_aqc_download_pkg_resp *resp;
930 
931 		resp = (struct ice_aqc_download_pkg_resp *)pkg_buf;
932 		if (error_offset)
933 			*error_offset = LE32_TO_CPU(resp->error_offset);
934 		if (error_info)
935 			*error_info = LE32_TO_CPU(resp->error_info);
936 	}
937 
938 	return status;
939 }
940 
941 /**
942  * ice_aq_upload_section
943  * @hw: pointer to the hardware structure
944  * @pkg_buf: the package buffer which will receive the section
945  * @buf_size: the size of the package buffer
946  * @cd: pointer to command details structure or NULL
947  *
948  * Upload Section (0x0C41)
949  */
950 enum ice_status
951 ice_aq_upload_section(struct ice_hw *hw, struct ice_buf_hdr *pkg_buf,
952 		      u16 buf_size, struct ice_sq_cd *cd)
953 {
954 	struct ice_aq_desc desc;
955 
956 	ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
957 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_upload_section);
958 	desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
959 
960 	return ice_aq_send_cmd(hw, &desc, pkg_buf, buf_size, cd);
961 }
962 
963 /**
964  * ice_aq_update_pkg
965  * @hw: pointer to the hardware structure
966  * @pkg_buf: the package cmd buffer
967  * @buf_size: the size of the package cmd buffer
968  * @last_buf: last buffer indicator
969  * @error_offset: returns error offset
970  * @error_info: returns error information
971  * @cd: pointer to command details structure or NULL
972  *
973  * Update Package (0x0C42)
974  */
975 static enum ice_status
976 ice_aq_update_pkg(struct ice_hw *hw, struct ice_buf_hdr *pkg_buf, u16 buf_size,
977 		  bool last_buf, u32 *error_offset, u32 *error_info,
978 		  struct ice_sq_cd *cd)
979 {
980 	struct ice_aqc_download_pkg *cmd;
981 	struct ice_aq_desc desc;
982 	enum ice_status status;
983 
984 	ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
985 
986 	if (error_offset)
987 		*error_offset = 0;
988 	if (error_info)
989 		*error_info = 0;
990 
991 	cmd = &desc.params.download_pkg;
992 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_update_pkg);
993 	desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
994 
995 	if (last_buf)
996 		cmd->flags |= ICE_AQC_DOWNLOAD_PKG_LAST_BUF;
997 
998 	status = ice_aq_send_cmd(hw, &desc, pkg_buf, buf_size, cd);
999 	if (status == ICE_ERR_AQ_ERROR) {
1000 		/* Read error from buffer only when the FW returned an error */
1001 		struct ice_aqc_download_pkg_resp *resp;
1002 
1003 		resp = (struct ice_aqc_download_pkg_resp *)pkg_buf;
1004 		if (error_offset)
1005 			*error_offset = LE32_TO_CPU(resp->error_offset);
1006 		if (error_info)
1007 			*error_info = LE32_TO_CPU(resp->error_info);
1008 	}
1009 
1010 	return status;
1011 }
1012 
1013 /**
1014  * ice_find_seg_in_pkg
1015  * @hw: pointer to the hardware structure
1016  * @seg_type: the segment type to search for (i.e., SEGMENT_TYPE_CPK)
1017  * @pkg_hdr: pointer to the package header to be searched
1018  *
1019  * This function searches a package file for a particular segment type. On
1020  * success it returns a pointer to the segment header, otherwise it will
1021  * return NULL.
1022  */
1023 static struct ice_generic_seg_hdr *
1024 ice_find_seg_in_pkg(struct ice_hw *hw, u32 seg_type,
1025 		    struct ice_pkg_hdr *pkg_hdr)
1026 {
1027 	u32 i;
1028 
1029 	ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
1030 	ice_debug(hw, ICE_DBG_PKG, "Package format version: %d.%d.%d.%d\n",
1031 		  pkg_hdr->pkg_format_ver.major, pkg_hdr->pkg_format_ver.minor,
1032 		  pkg_hdr->pkg_format_ver.update,
1033 		  pkg_hdr->pkg_format_ver.draft);
1034 
1035 	/* Search all package segments for the requested segment type */
1036 	for (i = 0; i < LE32_TO_CPU(pkg_hdr->seg_count); i++) {
1037 		struct ice_generic_seg_hdr *seg;
1038 
1039 		seg = (struct ice_generic_seg_hdr *)
1040 			((u8 *)pkg_hdr + LE32_TO_CPU(pkg_hdr->seg_offset[i]));
1041 
1042 		if (LE32_TO_CPU(seg->seg_type) == seg_type)
1043 			return seg;
1044 	}
1045 
1046 	return NULL;
1047 }
1048 
1049 /**
1050  * ice_update_pkg_no_lock
1051  * @hw: pointer to the hardware structure
1052  * @bufs: pointer to an array of buffers
1053  * @count: the number of buffers in the array
1054  */
1055 static enum ice_status
1056 ice_update_pkg_no_lock(struct ice_hw *hw, struct ice_buf *bufs, u32 count)
1057 {
1058 	enum ice_status status = ICE_SUCCESS;
1059 	u32 i;
1060 
1061 	for (i = 0; i < count; i++) {
1062 		struct ice_buf_hdr *bh = (struct ice_buf_hdr *)(bufs + i);
1063 		bool last = ((i + 1) == count);
1064 		u32 offset, info;
1065 
1066 		status = ice_aq_update_pkg(hw, bh, LE16_TO_CPU(bh->data_end),
1067 					   last, &offset, &info, NULL);
1068 
1069 		if (status) {
1070 			ice_debug(hw, ICE_DBG_PKG, "Update pkg failed: err %d off %d inf %d\n",
1071 				  status, offset, info);
1072 			break;
1073 		}
1074 	}
1075 
1076 	return status;
1077 }
1078 
1079 /**
1080  * ice_update_pkg
1081  * @hw: pointer to the hardware structure
1082  * @bufs: pointer to an array of buffers
1083  * @count: the number of buffers in the array
1084  *
1085  * Obtains change lock and updates package.
1086  */
1087 enum ice_status
1088 ice_update_pkg(struct ice_hw *hw, struct ice_buf *bufs, u32 count)
1089 {
1090 	enum ice_status status;
1091 
1092 	status = ice_acquire_change_lock(hw, ICE_RES_WRITE);
1093 	if (status)
1094 		return status;
1095 
1096 	status = ice_update_pkg_no_lock(hw, bufs, count);
1097 
1098 	ice_release_change_lock(hw);
1099 
1100 	return status;
1101 }
1102 
1103 /**
1104  * ice_dwnld_cfg_bufs
1105  * @hw: pointer to the hardware structure
1106  * @bufs: pointer to an array of buffers
1107  * @count: the number of buffers in the array
1108  *
1109  * Obtains global config lock and downloads the package configuration buffers
1110  * to the firmware. Metadata buffers are skipped, and the first metadata buffer
1111  * found indicates that the rest of the buffers are all metadata buffers.
1112  */
1113 static enum ice_status
1114 ice_dwnld_cfg_bufs(struct ice_hw *hw, struct ice_buf *bufs, u32 count)
1115 {
1116 	enum ice_status status;
1117 	struct ice_buf_hdr *bh;
1118 	u32 offset, info, i;
1119 
1120 	if (!bufs || !count)
1121 		return ICE_ERR_PARAM;
1122 
1123 	/* If the first buffer's first section has its metadata bit set
1124 	 * then there are no buffers to be downloaded, and the operation is
1125 	 * considered a success.
1126 	 */
1127 	bh = (struct ice_buf_hdr *)bufs;
1128 	if (LE32_TO_CPU(bh->section_entry[0].type) & ICE_METADATA_BUF)
1129 		return ICE_SUCCESS;
1130 
1131 	/* reset pkg_dwnld_status in case this function is called in the
1132 	 * reset/rebuild flow
1133 	 */
1134 	hw->pkg_dwnld_status = ICE_AQ_RC_OK;
1135 
1136 	status = ice_acquire_global_cfg_lock(hw, ICE_RES_WRITE);
1137 	if (status) {
1138 		if (status == ICE_ERR_AQ_NO_WORK)
1139 			hw->pkg_dwnld_status = ICE_AQ_RC_EEXIST;
1140 		else
1141 			hw->pkg_dwnld_status = hw->adminq.sq_last_status;
1142 		return status;
1143 	}
1144 
1145 	for (i = 0; i < count; i++) {
1146 		bool last = ((i + 1) == count);
1147 
1148 		if (!last) {
1149 			/* check next buffer for metadata flag */
1150 			bh = (struct ice_buf_hdr *)(bufs + i + 1);
1151 
1152 			/* A set metadata flag in the next buffer will signal
1153 			 * that the current buffer will be the last buffer
1154 			 * downloaded
1155 			 */
1156 			if (LE16_TO_CPU(bh->section_count))
1157 				if (LE32_TO_CPU(bh->section_entry[0].type) &
1158 				    ICE_METADATA_BUF)
1159 					last = true;
1160 		}
1161 
1162 		bh = (struct ice_buf_hdr *)(bufs + i);
1163 
1164 		status = ice_aq_download_pkg(hw, bh, ICE_PKG_BUF_SIZE, last,
1165 					     &offset, &info, NULL);
1166 
1167 		/* Save AQ status from download package */
1168 		hw->pkg_dwnld_status = hw->adminq.sq_last_status;
1169 		if (status) {
1170 			ice_debug(hw, ICE_DBG_PKG, "Pkg download failed: err %d off %d inf %d\n",
1171 				  status, offset, info);
1172 			break;
1173 		}
1174 
1175 		if (last)
1176 			break;
1177 	}
1178 
1179 	if (!status) {
1180 		status = ice_set_vlan_mode(hw);
1181 		if (status)
1182 			ice_debug(hw, ICE_DBG_PKG, "Failed to set VLAN mode: err %d\n",
1183 				  status);
1184 	}
1185 
1186 	ice_release_global_cfg_lock(hw);
1187 
1188 	return status;
1189 }
1190 
1191 /**
1192  * ice_aq_get_pkg_info_list
1193  * @hw: pointer to the hardware structure
1194  * @pkg_info: the buffer which will receive the information list
1195  * @buf_size: the size of the pkg_info information buffer
1196  * @cd: pointer to command details structure or NULL
1197  *
1198  * Get Package Info List (0x0C43)
1199  */
1200 static enum ice_status
1201 ice_aq_get_pkg_info_list(struct ice_hw *hw,
1202 			 struct ice_aqc_get_pkg_info_resp *pkg_info,
1203 			 u16 buf_size, struct ice_sq_cd *cd)
1204 {
1205 	struct ice_aq_desc desc;
1206 
1207 	ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
1208 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_pkg_info_list);
1209 
1210 	return ice_aq_send_cmd(hw, &desc, pkg_info, buf_size, cd);
1211 }
1212 
1213 /**
1214  * ice_download_pkg
1215  * @hw: pointer to the hardware structure
1216  * @ice_seg: pointer to the segment of the package to be downloaded
1217  *
1218  * Handles the download of a complete package.
1219  */
1220 static enum ice_status
1221 ice_download_pkg(struct ice_hw *hw, struct ice_seg *ice_seg)
1222 {
1223 	struct ice_buf_table *ice_buf_tbl;
1224 	enum ice_status status;
1225 
1226 	ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
1227 	ice_debug(hw, ICE_DBG_PKG, "Segment format version: %d.%d.%d.%d\n",
1228 		  ice_seg->hdr.seg_format_ver.major,
1229 		  ice_seg->hdr.seg_format_ver.minor,
1230 		  ice_seg->hdr.seg_format_ver.update,
1231 		  ice_seg->hdr.seg_format_ver.draft);
1232 
1233 	ice_debug(hw, ICE_DBG_PKG, "Seg: type 0x%X, size %d, name %s\n",
1234 		  LE32_TO_CPU(ice_seg->hdr.seg_type),
1235 		  LE32_TO_CPU(ice_seg->hdr.seg_size), ice_seg->hdr.seg_id);
1236 
1237 	ice_buf_tbl = ice_find_buf_table(ice_seg);
1238 
1239 	ice_debug(hw, ICE_DBG_PKG, "Seg buf count: %d\n",
1240 		  LE32_TO_CPU(ice_buf_tbl->buf_count));
1241 
1242 	status = ice_dwnld_cfg_bufs(hw, ice_buf_tbl->buf_array,
1243 				    LE32_TO_CPU(ice_buf_tbl->buf_count));
1244 
1245 	ice_cache_vlan_mode(hw);
1246 
1247 	if (ice_is_dvm_ena(hw))
1248 		ice_change_proto_id_to_dvm();
1249 
1250 	return status;
1251 }
1252 
1253 /**
1254  * ice_init_pkg_info
1255  * @hw: pointer to the hardware structure
1256  * @pkg_hdr: pointer to the driver's package hdr
1257  *
1258  * Saves off the package details into the HW structure.
1259  */
1260 static enum ice_status
1261 ice_init_pkg_info(struct ice_hw *hw, struct ice_pkg_hdr *pkg_hdr)
1262 {
1263 	struct ice_generic_seg_hdr *seg_hdr;
1264 
1265 	ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
1266 	if (!pkg_hdr)
1267 		return ICE_ERR_PARAM;
1268 
1269 	seg_hdr = (struct ice_generic_seg_hdr *)
1270 		ice_find_seg_in_pkg(hw, SEGMENT_TYPE_ICE, pkg_hdr);
1271 	if (seg_hdr) {
1272 		struct ice_meta_sect *meta;
1273 		struct ice_pkg_enum state;
1274 
1275 		ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM);
1276 
1277 		/* Get package information from the Metadata Section */
1278 		meta = (struct ice_meta_sect *)
1279 			ice_pkg_enum_section((struct ice_seg *)seg_hdr, &state,
1280 					     ICE_SID_METADATA);
1281 		if (!meta) {
1282 			ice_debug(hw, ICE_DBG_INIT, "Did not find ice metadata section in package\n");
1283 			return ICE_ERR_CFG;
1284 		}
1285 
1286 		hw->pkg_ver = meta->ver;
1287 		ice_memcpy(hw->pkg_name, meta->name, sizeof(meta->name),
1288 			   ICE_NONDMA_TO_NONDMA);
1289 
1290 		ice_debug(hw, ICE_DBG_PKG, "Pkg: %d.%d.%d.%d, %s\n",
1291 			  meta->ver.major, meta->ver.minor, meta->ver.update,
1292 			  meta->ver.draft, meta->name);
1293 
1294 		hw->ice_seg_fmt_ver = seg_hdr->seg_format_ver;
1295 		ice_memcpy(hw->ice_seg_id, seg_hdr->seg_id,
1296 			   sizeof(hw->ice_seg_id), ICE_NONDMA_TO_NONDMA);
1297 
1298 		ice_debug(hw, ICE_DBG_PKG, "Ice Seg: %d.%d.%d.%d, %s\n",
1299 			  seg_hdr->seg_format_ver.major,
1300 			  seg_hdr->seg_format_ver.minor,
1301 			  seg_hdr->seg_format_ver.update,
1302 			  seg_hdr->seg_format_ver.draft,
1303 			  seg_hdr->seg_id);
1304 	} else {
1305 		ice_debug(hw, ICE_DBG_INIT, "Did not find ice segment in driver package\n");
1306 		return ICE_ERR_CFG;
1307 	}
1308 
1309 	return ICE_SUCCESS;
1310 }
1311 
1312 /**
1313  * ice_get_pkg_info
1314  * @hw: pointer to the hardware structure
1315  *
1316  * Store details of the package currently loaded in HW into the HW structure.
1317  */
1318 static enum ice_status ice_get_pkg_info(struct ice_hw *hw)
1319 {
1320 	struct ice_aqc_get_pkg_info_resp *pkg_info;
1321 	enum ice_status status;
1322 	u16 size;
1323 	u32 i;
1324 
1325 	ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
1326 
1327 	size = ice_struct_size(pkg_info, pkg_info, ICE_PKG_CNT);
1328 	pkg_info = (struct ice_aqc_get_pkg_info_resp *)ice_malloc(hw, size);
1329 	if (!pkg_info)
1330 		return ICE_ERR_NO_MEMORY;
1331 
1332 	status = ice_aq_get_pkg_info_list(hw, pkg_info, size, NULL);
1333 	if (status)
1334 		goto init_pkg_free_alloc;
1335 
1336 	for (i = 0; i < LE32_TO_CPU(pkg_info->count); i++) {
1337 #define ICE_PKG_FLAG_COUNT	4
1338 		char flags[ICE_PKG_FLAG_COUNT + 1] = { 0 };
1339 		u8 place = 0;
1340 
1341 		if (pkg_info->pkg_info[i].is_active) {
1342 			flags[place++] = 'A';
1343 			hw->active_pkg_ver = pkg_info->pkg_info[i].ver;
1344 			hw->active_track_id =
1345 				LE32_TO_CPU(pkg_info->pkg_info[i].track_id);
1346 			ice_memcpy(hw->active_pkg_name,
1347 				   pkg_info->pkg_info[i].name,
1348 				   sizeof(pkg_info->pkg_info[i].name),
1349 				   ICE_NONDMA_TO_NONDMA);
1350 			hw->active_pkg_in_nvm = pkg_info->pkg_info[i].is_in_nvm;
1351 		}
1352 		if (pkg_info->pkg_info[i].is_active_at_boot)
1353 			flags[place++] = 'B';
1354 		if (pkg_info->pkg_info[i].is_modified)
1355 			flags[place++] = 'M';
1356 		if (pkg_info->pkg_info[i].is_in_nvm)
1357 			flags[place++] = 'N';
1358 
1359 		ice_debug(hw, ICE_DBG_PKG, "Pkg[%d]: %d.%d.%d.%d,%s,%s\n",
1360 			  i, pkg_info->pkg_info[i].ver.major,
1361 			  pkg_info->pkg_info[i].ver.minor,
1362 			  pkg_info->pkg_info[i].ver.update,
1363 			  pkg_info->pkg_info[i].ver.draft,
1364 			  pkg_info->pkg_info[i].name, flags);
1365 	}
1366 
1367 init_pkg_free_alloc:
1368 	ice_free(hw, pkg_info);
1369 
1370 	return status;
1371 }
1372 
1373 /**
1374  * ice_verify_pkg - verify package
1375  * @pkg: pointer to the package buffer
1376  * @len: size of the package buffer
1377  *
1378  * Verifies various attributes of the package file, including length, format
1379  * version, and the requirement of at least one segment.
1380  */
1381 static enum ice_status ice_verify_pkg(struct ice_pkg_hdr *pkg, u32 len)
1382 {
1383 	u32 seg_count;
1384 	u32 i;
1385 
1386 	if (len < ice_struct_size(pkg, seg_offset, 1))
1387 		return ICE_ERR_BUF_TOO_SHORT;
1388 
1389 	if (pkg->pkg_format_ver.major != ICE_PKG_FMT_VER_MAJ ||
1390 	    pkg->pkg_format_ver.minor != ICE_PKG_FMT_VER_MNR ||
1391 	    pkg->pkg_format_ver.update != ICE_PKG_FMT_VER_UPD ||
1392 	    pkg->pkg_format_ver.draft != ICE_PKG_FMT_VER_DFT)
1393 		return ICE_ERR_CFG;
1394 
1395 	/* pkg must have at least one segment */
1396 	seg_count = LE32_TO_CPU(pkg->seg_count);
1397 	if (seg_count < 1)
1398 		return ICE_ERR_CFG;
1399 
1400 	/* make sure segment array fits in package length */
1401 	if (len < ice_struct_size(pkg, seg_offset, seg_count))
1402 		return ICE_ERR_BUF_TOO_SHORT;
1403 
1404 	/* all segments must fit within length */
1405 	for (i = 0; i < seg_count; i++) {
1406 		u32 off = LE32_TO_CPU(pkg->seg_offset[i]);
1407 		struct ice_generic_seg_hdr *seg;
1408 
1409 		/* segment header must fit */
1410 		if (len < off + sizeof(*seg))
1411 			return ICE_ERR_BUF_TOO_SHORT;
1412 
1413 		seg = (struct ice_generic_seg_hdr *)((u8 *)pkg + off);
1414 
1415 		/* segment body must fit */
1416 		if (len < off + LE32_TO_CPU(seg->seg_size))
1417 			return ICE_ERR_BUF_TOO_SHORT;
1418 	}
1419 
1420 	return ICE_SUCCESS;
1421 }
1422 
1423 /**
1424  * ice_free_seg - free package segment pointer
1425  * @hw: pointer to the hardware structure
1426  *
1427  * Frees the package segment pointer in the proper manner, depending on if the
1428  * segment was allocated or just the passed in pointer was stored.
1429  */
1430 void ice_free_seg(struct ice_hw *hw)
1431 {
1432 	if (hw->pkg_copy) {
1433 		ice_free(hw, hw->pkg_copy);
1434 		hw->pkg_copy = NULL;
1435 		hw->pkg_size = 0;
1436 	}
1437 	hw->seg = NULL;
1438 }
1439 
1440 /**
1441  * ice_init_pkg_regs - initialize additional package registers
1442  * @hw: pointer to the hardware structure
1443  */
1444 static void ice_init_pkg_regs(struct ice_hw *hw)
1445 {
1446 #define ICE_SW_BLK_INP_MASK_L 0xFFFFFFFF
1447 #define ICE_SW_BLK_INP_MASK_H 0x0000FFFF
1448 #define ICE_SW_BLK_IDX	0
1449 	if (hw->dcf_enabled)
1450 		return;
1451 
1452 	/* setup Switch block input mask, which is 48-bits in two parts */
1453 	wr32(hw, GL_PREEXT_L2_PMASK0(ICE_SW_BLK_IDX), ICE_SW_BLK_INP_MASK_L);
1454 	wr32(hw, GL_PREEXT_L2_PMASK1(ICE_SW_BLK_IDX), ICE_SW_BLK_INP_MASK_H);
1455 }
1456 
1457 /**
1458  * ice_chk_pkg_version - check package version for compatibility with driver
1459  * @pkg_ver: pointer to a version structure to check
1460  *
1461  * Check to make sure that the package about to be downloaded is compatible with
1462  * the driver. To be compatible, the major and minor components of the package
1463  * version must match our ICE_PKG_SUPP_VER_MAJ and ICE_PKG_SUPP_VER_MNR
1464  * definitions.
1465  */
1466 static enum ice_status ice_chk_pkg_version(struct ice_pkg_ver *pkg_ver)
1467 {
1468 	if (pkg_ver->major != ICE_PKG_SUPP_VER_MAJ ||
1469 	    pkg_ver->minor != ICE_PKG_SUPP_VER_MNR)
1470 		return ICE_ERR_NOT_SUPPORTED;
1471 
1472 	return ICE_SUCCESS;
1473 }
1474 
1475 /**
1476  * ice_chk_pkg_compat
1477  * @hw: pointer to the hardware structure
1478  * @ospkg: pointer to the package hdr
1479  * @seg: pointer to the package segment hdr
1480  *
1481  * This function checks the package version compatibility with driver and NVM
1482  */
1483 static enum ice_status
1484 ice_chk_pkg_compat(struct ice_hw *hw, struct ice_pkg_hdr *ospkg,
1485 		   struct ice_seg **seg)
1486 {
1487 	struct ice_aqc_get_pkg_info_resp *pkg;
1488 	enum ice_status status;
1489 	u16 size;
1490 	u32 i;
1491 
1492 	ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
1493 
1494 	/* Check package version compatibility */
1495 	status = ice_chk_pkg_version(&hw->pkg_ver);
1496 	if (status) {
1497 		ice_debug(hw, ICE_DBG_INIT, "Package version check failed.\n");
1498 		return status;
1499 	}
1500 
1501 	/* find ICE segment in given package */
1502 	*seg = (struct ice_seg *)ice_find_seg_in_pkg(hw, SEGMENT_TYPE_ICE,
1503 						     ospkg);
1504 	if (!*seg) {
1505 		ice_debug(hw, ICE_DBG_INIT, "no ice segment in package.\n");
1506 		return ICE_ERR_CFG;
1507 	}
1508 
1509 	/* Check if FW is compatible with the OS package */
1510 	size = ice_struct_size(pkg, pkg_info, ICE_PKG_CNT);
1511 	pkg = (struct ice_aqc_get_pkg_info_resp *)ice_malloc(hw, size);
1512 	if (!pkg)
1513 		return ICE_ERR_NO_MEMORY;
1514 
1515 	status = ice_aq_get_pkg_info_list(hw, pkg, size, NULL);
1516 	if (status)
1517 		goto fw_ddp_compat_free_alloc;
1518 
1519 	for (i = 0; i < LE32_TO_CPU(pkg->count); i++) {
1520 		/* loop till we find the NVM package */
1521 		if (!pkg->pkg_info[i].is_in_nvm)
1522 			continue;
1523 		if ((*seg)->hdr.seg_format_ver.major !=
1524 			pkg->pkg_info[i].ver.major ||
1525 		    (*seg)->hdr.seg_format_ver.minor >
1526 			pkg->pkg_info[i].ver.minor) {
1527 			status = ICE_ERR_FW_DDP_MISMATCH;
1528 			ice_debug(hw, ICE_DBG_INIT, "OS package is not compatible with NVM.\n");
1529 		}
1530 		/* done processing NVM package so break */
1531 		break;
1532 	}
1533 fw_ddp_compat_free_alloc:
1534 	ice_free(hw, pkg);
1535 	return status;
1536 }
1537 
1538 /**
1539  * ice_sw_fv_handler
1540  * @sect_type: section type
1541  * @section: pointer to section
1542  * @index: index of the field vector entry to be returned
1543  * @offset: ptr to variable that receives the offset in the field vector table
1544  *
1545  * This is a callback function that can be passed to ice_pkg_enum_entry.
1546  * This function treats the given section as of type ice_sw_fv_section and
1547  * enumerates offset field. "offset" is an index into the field vector table.
1548  */
1549 static void *
1550 ice_sw_fv_handler(u32 sect_type, void *section, u32 index, u32 *offset)
1551 {
1552 	struct ice_sw_fv_section *fv_section =
1553 		(struct ice_sw_fv_section *)section;
1554 
1555 	if (!section || sect_type != ICE_SID_FLD_VEC_SW)
1556 		return NULL;
1557 	if (index >= LE16_TO_CPU(fv_section->count))
1558 		return NULL;
1559 	if (offset)
1560 		/* "index" passed in to this function is relative to a given
1561 		 * 4k block. To get to the true index into the field vector
1562 		 * table need to add the relative index to the base_offset
1563 		 * field of this section
1564 		 */
1565 		*offset = LE16_TO_CPU(fv_section->base_offset) + index;
1566 	return fv_section->fv + index;
1567 }
1568 
1569 /**
1570  * ice_get_prof_index_max - get the max profile index for used profile
1571  * @hw: pointer to the HW struct
1572  *
1573  * Calling this function will get the max profile index for used profile
1574  * and store the index number in struct ice_switch_info *switch_info
1575  * in hw for following use.
1576  */
1577 static int ice_get_prof_index_max(struct ice_hw *hw)
1578 {
1579 	u16 prof_index = 0, j, max_prof_index = 0;
1580 	struct ice_pkg_enum state;
1581 	struct ice_seg *ice_seg;
1582 	bool flag = false;
1583 	struct ice_fv *fv;
1584 	u32 offset;
1585 
1586 	ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM);
1587 
1588 	if (!hw->seg)
1589 		return ICE_ERR_PARAM;
1590 
1591 	ice_seg = hw->seg;
1592 
1593 	do {
1594 		fv = (struct ice_fv *)
1595 			ice_pkg_enum_entry(ice_seg, &state, ICE_SID_FLD_VEC_SW,
1596 					   &offset, ice_sw_fv_handler);
1597 		if (!fv)
1598 			break;
1599 		ice_seg = NULL;
1600 
1601 		/* in the profile that not be used, the prot_id is set to 0xff
1602 		 * and the off is set to 0x1ff for all the field vectors.
1603 		 */
1604 		for (j = 0; j < hw->blk[ICE_BLK_SW].es.fvw; j++)
1605 			if (fv->ew[j].prot_id != ICE_PROT_INVALID ||
1606 			    fv->ew[j].off != ICE_FV_OFFSET_INVAL)
1607 				flag = true;
1608 		if (flag && prof_index > max_prof_index)
1609 			max_prof_index = prof_index;
1610 
1611 		prof_index++;
1612 		flag = false;
1613 	} while (fv);
1614 
1615 	hw->switch_info->max_used_prof_index = max_prof_index;
1616 
1617 	return ICE_SUCCESS;
1618 }
1619 
1620 /**
1621  * ice_init_pkg - initialize/download package
1622  * @hw: pointer to the hardware structure
1623  * @buf: pointer to the package buffer
1624  * @len: size of the package buffer
1625  *
1626  * This function initializes a package. The package contains HW tables
1627  * required to do packet processing. First, the function extracts package
1628  * information such as version. Then it finds the ice configuration segment
1629  * within the package; this function then saves a copy of the segment pointer
1630  * within the supplied package buffer. Next, the function will cache any hints
1631  * from the package, followed by downloading the package itself. Note, that if
1632  * a previous PF driver has already downloaded the package successfully, then
1633  * the current driver will not have to download the package again.
1634  *
1635  * The local package contents will be used to query default behavior and to
1636  * update specific sections of the HW's version of the package (e.g. to update
1637  * the parse graph to understand new protocols).
1638  *
1639  * This function stores a pointer to the package buffer memory, and it is
1640  * expected that the supplied buffer will not be freed immediately. If the
1641  * package buffer needs to be freed, such as when read from a file, use
1642  * ice_copy_and_init_pkg() instead of directly calling ice_init_pkg() in this
1643  * case.
1644  */
1645 enum ice_status ice_init_pkg(struct ice_hw *hw, u8 *buf, u32 len)
1646 {
1647 	struct ice_pkg_hdr *pkg;
1648 	enum ice_status status;
1649 	struct ice_seg *seg;
1650 
1651 	if (!buf || !len)
1652 		return ICE_ERR_PARAM;
1653 
1654 	pkg = (struct ice_pkg_hdr *)buf;
1655 	status = ice_verify_pkg(pkg, len);
1656 	if (status) {
1657 		ice_debug(hw, ICE_DBG_INIT, "failed to verify pkg (err: %d)\n",
1658 			  status);
1659 		return status;
1660 	}
1661 
1662 	/* initialize package info */
1663 	status = ice_init_pkg_info(hw, pkg);
1664 	if (status)
1665 		return status;
1666 
1667 	/* before downloading the package, check package version for
1668 	 * compatibility with driver
1669 	 */
1670 	status = ice_chk_pkg_compat(hw, pkg, &seg);
1671 	if (status)
1672 		return status;
1673 
1674 	/* initialize package hints and then download package */
1675 	ice_init_pkg_hints(hw, seg);
1676 	status = ice_download_pkg(hw, seg);
1677 	if (status == ICE_ERR_AQ_NO_WORK) {
1678 		ice_debug(hw, ICE_DBG_INIT, "package previously loaded - no work.\n");
1679 		status = ICE_SUCCESS;
1680 	}
1681 
1682 	/* Get information on the package currently loaded in HW, then make sure
1683 	 * the driver is compatible with this version.
1684 	 */
1685 	if (!status) {
1686 		status = ice_get_pkg_info(hw);
1687 		if (!status)
1688 			status = ice_chk_pkg_version(&hw->active_pkg_ver);
1689 	}
1690 
1691 	if (!status) {
1692 		hw->seg = seg;
1693 		/* on successful package download update other required
1694 		 * registers to support the package and fill HW tables
1695 		 * with package content.
1696 		 */
1697 		ice_init_pkg_regs(hw);
1698 		ice_fill_blk_tbls(hw);
1699 		ice_fill_hw_ptype(hw);
1700 		ice_get_prof_index_max(hw);
1701 	} else {
1702 		ice_debug(hw, ICE_DBG_INIT, "package load failed, %d\n",
1703 			  status);
1704 	}
1705 
1706 	return status;
1707 }
1708 
1709 /**
1710  * ice_copy_and_init_pkg - initialize/download a copy of the package
1711  * @hw: pointer to the hardware structure
1712  * @buf: pointer to the package buffer
1713  * @len: size of the package buffer
1714  *
1715  * This function copies the package buffer, and then calls ice_init_pkg() to
1716  * initialize the copied package contents.
1717  *
1718  * The copying is necessary if the package buffer supplied is constant, or if
1719  * the memory may disappear shortly after calling this function.
1720  *
1721  * If the package buffer resides in the data segment and can be modified, the
1722  * caller is free to use ice_init_pkg() instead of ice_copy_and_init_pkg().
1723  *
1724  * However, if the package buffer needs to be copied first, such as when being
1725  * read from a file, the caller should use ice_copy_and_init_pkg().
1726  *
1727  * This function will first copy the package buffer, before calling
1728  * ice_init_pkg(). The caller is free to immediately destroy the original
1729  * package buffer, as the new copy will be managed by this function and
1730  * related routines.
1731  */
1732 enum ice_status ice_copy_and_init_pkg(struct ice_hw *hw, const u8 *buf, u32 len)
1733 {
1734 	enum ice_status status;
1735 	u8 *buf_copy;
1736 
1737 	if (!buf || !len)
1738 		return ICE_ERR_PARAM;
1739 
1740 	buf_copy = (u8 *)ice_memdup(hw, buf, len, ICE_NONDMA_TO_NONDMA);
1741 
1742 	status = ice_init_pkg(hw, buf_copy, len);
1743 	if (status) {
1744 		/* Free the copy, since we failed to initialize the package */
1745 		ice_free(hw, buf_copy);
1746 	} else {
1747 		/* Track the copied pkg so we can free it later */
1748 		hw->pkg_copy = buf_copy;
1749 		hw->pkg_size = len;
1750 	}
1751 
1752 	return status;
1753 }
1754 
1755 /**
1756  * ice_pkg_buf_alloc
1757  * @hw: pointer to the HW structure
1758  *
1759  * Allocates a package buffer and returns a pointer to the buffer header.
1760  * Note: all package contents must be in Little Endian form.
1761  */
1762 static struct ice_buf_build *ice_pkg_buf_alloc(struct ice_hw *hw)
1763 {
1764 	struct ice_buf_build *bld;
1765 	struct ice_buf_hdr *buf;
1766 
1767 	bld = (struct ice_buf_build *)ice_malloc(hw, sizeof(*bld));
1768 	if (!bld)
1769 		return NULL;
1770 
1771 	buf = (struct ice_buf_hdr *)bld;
1772 	buf->data_end = CPU_TO_LE16(offsetof(struct ice_buf_hdr,
1773 					     section_entry));
1774 	return bld;
1775 }
1776 
1777 /**
1778  * ice_get_sw_prof_type - determine switch profile type
1779  * @hw: pointer to the HW structure
1780  * @fv: pointer to the switch field vector
1781  */
1782 static enum ice_prof_type
1783 ice_get_sw_prof_type(struct ice_hw *hw, struct ice_fv *fv)
1784 {
1785 	u16 i;
1786 
1787 	for (i = 0; i < hw->blk[ICE_BLK_SW].es.fvw; i++) {
1788 		/* UDP tunnel will have UDP_OF protocol ID and VNI offset */
1789 		if (fv->ew[i].prot_id == (u8)ICE_PROT_UDP_OF &&
1790 		    fv->ew[i].off == ICE_VNI_OFFSET)
1791 			return ICE_PROF_TUN_UDP;
1792 
1793 		/* GRE tunnel will have GRE protocol */
1794 		if (fv->ew[i].prot_id == (u8)ICE_PROT_GRE_OF)
1795 			return ICE_PROF_TUN_GRE;
1796 
1797 		/* PPPOE tunnel will have PPPOE protocol */
1798 		if (fv->ew[i].prot_id == (u8)ICE_PROT_PPPOE)
1799 			return ICE_PROF_TUN_PPPOE;
1800 	}
1801 
1802 	return ICE_PROF_NON_TUN;
1803 }
1804 
1805 /**
1806  * ice_get_sw_fv_bitmap - Get switch field vector bitmap based on profile type
1807  * @hw: pointer to hardware structure
1808  * @req_profs: type of profiles requested
1809  * @bm: pointer to memory for returning the bitmap of field vectors
1810  */
1811 void
1812 ice_get_sw_fv_bitmap(struct ice_hw *hw, enum ice_prof_type req_profs,
1813 		     ice_bitmap_t *bm)
1814 {
1815 	struct ice_pkg_enum state;
1816 	struct ice_seg *ice_seg;
1817 	struct ice_fv *fv;
1818 
1819 	if (req_profs == ICE_PROF_ALL) {
1820 		ice_bitmap_set(bm, 0, ICE_MAX_NUM_PROFILES);
1821 		return;
1822 	}
1823 
1824 	ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM);
1825 	ice_zero_bitmap(bm, ICE_MAX_NUM_PROFILES);
1826 	ice_seg = hw->seg;
1827 	do {
1828 		enum ice_prof_type prof_type;
1829 		u32 offset;
1830 
1831 		fv = (struct ice_fv *)
1832 			ice_pkg_enum_entry(ice_seg, &state, ICE_SID_FLD_VEC_SW,
1833 					   &offset, ice_sw_fv_handler);
1834 		ice_seg = NULL;
1835 
1836 		if (fv) {
1837 			/* Determine field vector type */
1838 			prof_type = ice_get_sw_prof_type(hw, fv);
1839 
1840 			if (req_profs & prof_type)
1841 				ice_set_bit((u16)offset, bm);
1842 		}
1843 	} while (fv);
1844 }
1845 
1846 /**
1847  * ice_get_sw_fv_list
1848  * @hw: pointer to the HW structure
1849  * @prot_ids: field vector to search for with a given protocol ID
1850  * @ids_cnt: lookup/protocol count
1851  * @bm: bitmap of field vectors to consider
1852  * @fv_list: Head of a list
1853  *
1854  * Finds all the field vector entries from switch block that contain
1855  * a given protocol ID and returns a list of structures of type
1856  * "ice_sw_fv_list_entry". Every structure in the list has a field vector
1857  * definition and profile ID information
1858  * NOTE: The caller of the function is responsible for freeing the memory
1859  * allocated for every list entry.
1860  */
1861 enum ice_status
1862 ice_get_sw_fv_list(struct ice_hw *hw, u8 *prot_ids, u16 ids_cnt,
1863 		   ice_bitmap_t *bm, struct LIST_HEAD_TYPE *fv_list)
1864 {
1865 	struct ice_sw_fv_list_entry *fvl;
1866 	struct ice_sw_fv_list_entry *tmp;
1867 	struct ice_pkg_enum state;
1868 	struct ice_seg *ice_seg;
1869 	struct ice_fv *fv;
1870 	u32 offset;
1871 
1872 	ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM);
1873 
1874 	if (!ids_cnt || !hw->seg)
1875 		return ICE_ERR_PARAM;
1876 
1877 	ice_seg = hw->seg;
1878 	do {
1879 		u16 i;
1880 
1881 		fv = (struct ice_fv *)
1882 			ice_pkg_enum_entry(ice_seg, &state, ICE_SID_FLD_VEC_SW,
1883 					   &offset, ice_sw_fv_handler);
1884 		if (!fv)
1885 			break;
1886 		ice_seg = NULL;
1887 
1888 		/* If field vector is not in the bitmap list, then skip this
1889 		 * profile.
1890 		 */
1891 		if (!ice_is_bit_set(bm, (u16)offset))
1892 			continue;
1893 
1894 		for (i = 0; i < ids_cnt; i++) {
1895 			int j;
1896 
1897 			/* This code assumes that if a switch field vector line
1898 			 * has a matching protocol, then this line will contain
1899 			 * the entries necessary to represent every field in
1900 			 * that protocol header.
1901 			 */
1902 			for (j = 0; j < hw->blk[ICE_BLK_SW].es.fvw; j++)
1903 				if (fv->ew[j].prot_id == prot_ids[i])
1904 					break;
1905 			if (j >= hw->blk[ICE_BLK_SW].es.fvw)
1906 				break;
1907 			if (i + 1 == ids_cnt) {
1908 				fvl = (struct ice_sw_fv_list_entry *)
1909 					ice_malloc(hw, sizeof(*fvl));
1910 				if (!fvl)
1911 					goto err;
1912 				fvl->fv_ptr = fv;
1913 				fvl->profile_id = offset;
1914 				LIST_ADD(&fvl->list_entry, fv_list);
1915 				break;
1916 			}
1917 		}
1918 	} while (fv);
1919 	if (LIST_EMPTY(fv_list))
1920 		return ICE_ERR_CFG;
1921 	return ICE_SUCCESS;
1922 
1923 err:
1924 	LIST_FOR_EACH_ENTRY_SAFE(fvl, tmp, fv_list, ice_sw_fv_list_entry,
1925 				 list_entry) {
1926 		LIST_DEL(&fvl->list_entry);
1927 		ice_free(hw, fvl);
1928 	}
1929 
1930 	return ICE_ERR_NO_MEMORY;
1931 }
1932 
1933 /**
1934  * ice_init_prof_result_bm - Initialize the profile result index bitmap
1935  * @hw: pointer to hardware structure
1936  */
1937 void ice_init_prof_result_bm(struct ice_hw *hw)
1938 {
1939 	struct ice_pkg_enum state;
1940 	struct ice_seg *ice_seg;
1941 	struct ice_fv *fv;
1942 
1943 	ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM);
1944 
1945 	if (!hw->seg)
1946 		return;
1947 
1948 	ice_seg = hw->seg;
1949 	do {
1950 		u32 off;
1951 		u16 i;
1952 
1953 		fv = (struct ice_fv *)
1954 			ice_pkg_enum_entry(ice_seg, &state, ICE_SID_FLD_VEC_SW,
1955 					   &off, ice_sw_fv_handler);
1956 		ice_seg = NULL;
1957 		if (!fv)
1958 			break;
1959 
1960 		ice_zero_bitmap(hw->switch_info->prof_res_bm[off],
1961 				ICE_MAX_FV_WORDS);
1962 
1963 		/* Determine empty field vector indices, these can be
1964 		 * used for recipe results. Skip index 0, since it is
1965 		 * always used for Switch ID.
1966 		 */
1967 		for (i = 1; i < ICE_MAX_FV_WORDS; i++)
1968 			if (fv->ew[i].prot_id == ICE_PROT_INVALID &&
1969 			    fv->ew[i].off == ICE_FV_OFFSET_INVAL)
1970 				ice_set_bit(i,
1971 					    hw->switch_info->prof_res_bm[off]);
1972 	} while (fv);
1973 }
1974 
1975 /**
1976  * ice_pkg_buf_free
1977  * @hw: pointer to the HW structure
1978  * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
1979  *
1980  * Frees a package buffer
1981  */
1982 void ice_pkg_buf_free(struct ice_hw *hw, struct ice_buf_build *bld)
1983 {
1984 	ice_free(hw, bld);
1985 }
1986 
1987 /**
1988  * ice_pkg_buf_reserve_section
1989  * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
1990  * @count: the number of sections to reserve
1991  *
1992  * Reserves one or more section table entries in a package buffer. This routine
1993  * can be called multiple times as long as they are made before calling
1994  * ice_pkg_buf_alloc_section(). Once ice_pkg_buf_alloc_section()
1995  * is called once, the number of sections that can be allocated will not be able
1996  * to be increased; not using all reserved sections is fine, but this will
1997  * result in some wasted space in the buffer.
1998  * Note: all package contents must be in Little Endian form.
1999  */
2000 static enum ice_status
2001 ice_pkg_buf_reserve_section(struct ice_buf_build *bld, u16 count)
2002 {
2003 	struct ice_buf_hdr *buf;
2004 	u16 section_count;
2005 	u16 data_end;
2006 
2007 	if (!bld)
2008 		return ICE_ERR_PARAM;
2009 
2010 	buf = (struct ice_buf_hdr *)&bld->buf;
2011 
2012 	/* already an active section, can't increase table size */
2013 	section_count = LE16_TO_CPU(buf->section_count);
2014 	if (section_count > 0)
2015 		return ICE_ERR_CFG;
2016 
2017 	if (bld->reserved_section_table_entries + count > ICE_MAX_S_COUNT)
2018 		return ICE_ERR_CFG;
2019 	bld->reserved_section_table_entries += count;
2020 
2021 	data_end = LE16_TO_CPU(buf->data_end) +
2022 		FLEX_ARRAY_SIZE(buf, section_entry, count);
2023 	buf->data_end = CPU_TO_LE16(data_end);
2024 
2025 	return ICE_SUCCESS;
2026 }
2027 
2028 /**
2029  * ice_pkg_buf_alloc_section
2030  * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
2031  * @type: the section type value
2032  * @size: the size of the section to reserve (in bytes)
2033  *
2034  * Reserves memory in the buffer for a section's content and updates the
2035  * buffers' status accordingly. This routine returns a pointer to the first
2036  * byte of the section start within the buffer, which is used to fill in the
2037  * section contents.
2038  * Note: all package contents must be in Little Endian form.
2039  */
2040 static void *
2041 ice_pkg_buf_alloc_section(struct ice_buf_build *bld, u32 type, u16 size)
2042 {
2043 	struct ice_buf_hdr *buf;
2044 	u16 sect_count;
2045 	u16 data_end;
2046 
2047 	if (!bld || !type || !size)
2048 		return NULL;
2049 
2050 	buf = (struct ice_buf_hdr *)&bld->buf;
2051 
2052 	/* check for enough space left in buffer */
2053 	data_end = LE16_TO_CPU(buf->data_end);
2054 
2055 	/* section start must align on 4 byte boundary */
2056 	data_end = ICE_ALIGN(data_end, 4);
2057 
2058 	if ((data_end + size) > ICE_MAX_S_DATA_END)
2059 		return NULL;
2060 
2061 	/* check for more available section table entries */
2062 	sect_count = LE16_TO_CPU(buf->section_count);
2063 	if (sect_count < bld->reserved_section_table_entries) {
2064 		void *section_ptr = ((u8 *)buf) + data_end;
2065 
2066 		buf->section_entry[sect_count].offset = CPU_TO_LE16(data_end);
2067 		buf->section_entry[sect_count].size = CPU_TO_LE16(size);
2068 		buf->section_entry[sect_count].type = CPU_TO_LE32(type);
2069 
2070 		data_end += size;
2071 		buf->data_end = CPU_TO_LE16(data_end);
2072 
2073 		buf->section_count = CPU_TO_LE16(sect_count + 1);
2074 		return section_ptr;
2075 	}
2076 
2077 	/* no free section table entries */
2078 	return NULL;
2079 }
2080 
2081 /**
2082  * ice_pkg_buf_alloc_single_section
2083  * @hw: pointer to the HW structure
2084  * @type: the section type value
2085  * @size: the size of the section to reserve (in bytes)
2086  * @section: returns pointer to the section
2087  *
2088  * Allocates a package buffer with a single section.
2089  * Note: all package contents must be in Little Endian form.
2090  */
2091 struct ice_buf_build *
2092 ice_pkg_buf_alloc_single_section(struct ice_hw *hw, u32 type, u16 size,
2093 				 void **section)
2094 {
2095 	struct ice_buf_build *buf;
2096 
2097 	if (!section)
2098 		return NULL;
2099 
2100 	buf = ice_pkg_buf_alloc(hw);
2101 	if (!buf)
2102 		return NULL;
2103 
2104 	if (ice_pkg_buf_reserve_section(buf, 1))
2105 		goto ice_pkg_buf_alloc_single_section_err;
2106 
2107 	*section = ice_pkg_buf_alloc_section(buf, type, size);
2108 	if (!*section)
2109 		goto ice_pkg_buf_alloc_single_section_err;
2110 
2111 	return buf;
2112 
2113 ice_pkg_buf_alloc_single_section_err:
2114 	ice_pkg_buf_free(hw, buf);
2115 	return NULL;
2116 }
2117 
2118 /**
2119  * ice_pkg_buf_get_active_sections
2120  * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
2121  *
2122  * Returns the number of active sections. Before using the package buffer
2123  * in an update package command, the caller should make sure that there is at
2124  * least one active section - otherwise, the buffer is not legal and should
2125  * not be used.
2126  * Note: all package contents must be in Little Endian form.
2127  */
2128 static u16 ice_pkg_buf_get_active_sections(struct ice_buf_build *bld)
2129 {
2130 	struct ice_buf_hdr *buf;
2131 
2132 	if (!bld)
2133 		return 0;
2134 
2135 	buf = (struct ice_buf_hdr *)&bld->buf;
2136 	return LE16_TO_CPU(buf->section_count);
2137 }
2138 
2139 /**
2140  * ice_pkg_buf
2141  * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
2142  *
2143  * Return a pointer to the buffer's header
2144  */
2145 struct ice_buf *ice_pkg_buf(struct ice_buf_build *bld)
2146 {
2147 	if (!bld)
2148 		return NULL;
2149 
2150 	return &bld->buf;
2151 }
2152 
2153 /**
2154  * ice_tunnel_port_in_use_hlpr - helper function to determine tunnel usage
2155  * @hw: pointer to the HW structure
2156  * @port: port to search for
2157  * @index: optionally returns index
2158  *
2159  * Returns whether a port is already in use as a tunnel, and optionally its
2160  * index
2161  */
2162 static bool ice_tunnel_port_in_use_hlpr(struct ice_hw *hw, u16 port, u16 *index)
2163 {
2164 	u16 i;
2165 
2166 	for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++)
2167 		if (hw->tnl.tbl[i].in_use && hw->tnl.tbl[i].port == port) {
2168 			if (index)
2169 				*index = i;
2170 			return true;
2171 		}
2172 
2173 	return false;
2174 }
2175 
2176 /**
2177  * ice_tunnel_port_in_use
2178  * @hw: pointer to the HW structure
2179  * @port: port to search for
2180  * @index: optionally returns index
2181  *
2182  * Returns whether a port is already in use as a tunnel, and optionally its
2183  * index
2184  */
2185 bool ice_tunnel_port_in_use(struct ice_hw *hw, u16 port, u16 *index)
2186 {
2187 	bool res;
2188 
2189 	ice_acquire_lock(&hw->tnl_lock);
2190 	res = ice_tunnel_port_in_use_hlpr(hw, port, index);
2191 	ice_release_lock(&hw->tnl_lock);
2192 
2193 	return res;
2194 }
2195 
2196 /**
2197  * ice_tunnel_get_type
2198  * @hw: pointer to the HW structure
2199  * @port: port to search for
2200  * @type: returns tunnel index
2201  *
2202  * For a given port number, will return the type of tunnel.
2203  */
2204 bool
2205 ice_tunnel_get_type(struct ice_hw *hw, u16 port, enum ice_tunnel_type *type)
2206 {
2207 	bool res = false;
2208 	u16 i;
2209 
2210 	ice_acquire_lock(&hw->tnl_lock);
2211 
2212 	for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++)
2213 		if (hw->tnl.tbl[i].in_use && hw->tnl.tbl[i].port == port) {
2214 			*type = hw->tnl.tbl[i].type;
2215 			res = true;
2216 			break;
2217 		}
2218 
2219 	ice_release_lock(&hw->tnl_lock);
2220 
2221 	return res;
2222 }
2223 
2224 /**
2225  * ice_find_free_tunnel_entry
2226  * @hw: pointer to the HW structure
2227  * @type: tunnel type
2228  * @index: optionally returns index
2229  *
2230  * Returns whether there is a free tunnel entry, and optionally its index
2231  */
2232 static bool
2233 ice_find_free_tunnel_entry(struct ice_hw *hw, enum ice_tunnel_type type,
2234 			   u16 *index)
2235 {
2236 	u16 i;
2237 
2238 	for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++)
2239 		if (hw->tnl.tbl[i].valid && !hw->tnl.tbl[i].in_use &&
2240 		    hw->tnl.tbl[i].type == type) {
2241 			if (index)
2242 				*index = i;
2243 			return true;
2244 		}
2245 
2246 	return false;
2247 }
2248 
2249 /**
2250  * ice_get_open_tunnel_port - retrieve an open tunnel port
2251  * @hw: pointer to the HW structure
2252  * @type: tunnel type (TNL_ALL will return any open port)
2253  * @port: returns open port
2254  */
2255 bool
2256 ice_get_open_tunnel_port(struct ice_hw *hw, enum ice_tunnel_type type,
2257 			 u16 *port)
2258 {
2259 	bool res = false;
2260 	u16 i;
2261 
2262 	ice_acquire_lock(&hw->tnl_lock);
2263 
2264 	for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++)
2265 		if (hw->tnl.tbl[i].valid && hw->tnl.tbl[i].in_use &&
2266 		    (type == TNL_ALL || hw->tnl.tbl[i].type == type)) {
2267 			*port = hw->tnl.tbl[i].port;
2268 			res = true;
2269 			break;
2270 		}
2271 
2272 	ice_release_lock(&hw->tnl_lock);
2273 
2274 	return res;
2275 }
2276 
2277 /**
2278  * ice_upd_dvm_boost_entry
2279  * @hw: pointer to the HW structure
2280  * @entry: pointer to double vlan boost entry info
2281  */
2282 static enum ice_status
2283 ice_upd_dvm_boost_entry(struct ice_hw *hw, struct ice_dvm_entry *entry)
2284 {
2285 	struct ice_boost_tcam_section *sect_rx, *sect_tx;
2286 	enum ice_status status = ICE_ERR_MAX_LIMIT;
2287 	struct ice_buf_build *bld;
2288 	u8 val, dc, nm;
2289 
2290 	bld = ice_pkg_buf_alloc(hw);
2291 	if (!bld)
2292 		return ICE_ERR_NO_MEMORY;
2293 
2294 	/* allocate 2 sections, one for Rx parser, one for Tx parser */
2295 	if (ice_pkg_buf_reserve_section(bld, 2))
2296 		goto ice_upd_dvm_boost_entry_err;
2297 
2298 	sect_rx = (struct ice_boost_tcam_section *)
2299 		ice_pkg_buf_alloc_section(bld, ICE_SID_RXPARSER_BOOST_TCAM,
2300 					  ice_struct_size(sect_rx, tcam, 1));
2301 	if (!sect_rx)
2302 		goto ice_upd_dvm_boost_entry_err;
2303 	sect_rx->count = CPU_TO_LE16(1);
2304 
2305 	sect_tx = (struct ice_boost_tcam_section *)
2306 		ice_pkg_buf_alloc_section(bld, ICE_SID_TXPARSER_BOOST_TCAM,
2307 					  ice_struct_size(sect_tx, tcam, 1));
2308 	if (!sect_tx)
2309 		goto ice_upd_dvm_boost_entry_err;
2310 	sect_tx->count = CPU_TO_LE16(1);
2311 
2312 	/* copy original boost entry to update package buffer */
2313 	ice_memcpy(sect_rx->tcam, entry->boost_entry, sizeof(*sect_rx->tcam),
2314 		   ICE_NONDMA_TO_NONDMA);
2315 
2316 	/* re-write the don't care and never match bits accordingly */
2317 	if (entry->enable) {
2318 		/* all bits are don't care */
2319 		val = 0x00;
2320 		dc = 0xFF;
2321 		nm = 0x00;
2322 	} else {
2323 		/* disable, one never match bit, the rest are don't care */
2324 		val = 0x00;
2325 		dc = 0xF7;
2326 		nm = 0x08;
2327 	}
2328 
2329 	ice_set_key((u8 *)&sect_rx->tcam[0].key, sizeof(sect_rx->tcam[0].key),
2330 		    &val, NULL, &dc, &nm, 0, sizeof(u8));
2331 
2332 	/* exact copy of entry to Tx section entry */
2333 	ice_memcpy(sect_tx->tcam, sect_rx->tcam, sizeof(*sect_tx->tcam),
2334 		   ICE_NONDMA_TO_NONDMA);
2335 
2336 	status = ice_update_pkg_no_lock(hw, ice_pkg_buf(bld), 1);
2337 
2338 ice_upd_dvm_boost_entry_err:
2339 	ice_pkg_buf_free(hw, bld);
2340 
2341 	return status;
2342 }
2343 
2344 /**
2345  * ice_set_dvm_boost_entries
2346  * @hw: pointer to the HW structure
2347  *
2348  * Enable double vlan by updating the appropriate boost tcam entries.
2349  */
2350 enum ice_status ice_set_dvm_boost_entries(struct ice_hw *hw)
2351 {
2352 	enum ice_status status;
2353 	u16 i;
2354 
2355 	for (i = 0; i < hw->dvm_upd.count; i++) {
2356 		status = ice_upd_dvm_boost_entry(hw, &hw->dvm_upd.tbl[i]);
2357 		if (status)
2358 			return status;
2359 	}
2360 
2361 	return ICE_SUCCESS;
2362 }
2363 
2364 /**
2365  * ice_create_tunnel
2366  * @hw: pointer to the HW structure
2367  * @type: type of tunnel
2368  * @port: port of tunnel to create
2369  *
2370  * Create a tunnel by updating the parse graph in the parser. We do that by
2371  * creating a package buffer with the tunnel info and issuing an update package
2372  * command.
2373  */
2374 enum ice_status
2375 ice_create_tunnel(struct ice_hw *hw, enum ice_tunnel_type type, u16 port)
2376 {
2377 	struct ice_boost_tcam_section *sect_rx, *sect_tx;
2378 	enum ice_status status = ICE_ERR_MAX_LIMIT;
2379 	struct ice_buf_build *bld;
2380 	u16 index;
2381 
2382 	ice_acquire_lock(&hw->tnl_lock);
2383 
2384 	if (ice_tunnel_port_in_use_hlpr(hw, port, &index)) {
2385 		hw->tnl.tbl[index].ref++;
2386 		status = ICE_SUCCESS;
2387 		goto ice_create_tunnel_end;
2388 	}
2389 
2390 	if (!ice_find_free_tunnel_entry(hw, type, &index)) {
2391 		status = ICE_ERR_OUT_OF_RANGE;
2392 		goto ice_create_tunnel_end;
2393 	}
2394 
2395 	bld = ice_pkg_buf_alloc(hw);
2396 	if (!bld) {
2397 		status = ICE_ERR_NO_MEMORY;
2398 		goto ice_create_tunnel_end;
2399 	}
2400 
2401 	/* allocate 2 sections, one for Rx parser, one for Tx parser */
2402 	if (ice_pkg_buf_reserve_section(bld, 2))
2403 		goto ice_create_tunnel_err;
2404 
2405 	sect_rx = (struct ice_boost_tcam_section *)
2406 		ice_pkg_buf_alloc_section(bld, ICE_SID_RXPARSER_BOOST_TCAM,
2407 					  ice_struct_size(sect_rx, tcam, 1));
2408 	if (!sect_rx)
2409 		goto ice_create_tunnel_err;
2410 	sect_rx->count = CPU_TO_LE16(1);
2411 
2412 	sect_tx = (struct ice_boost_tcam_section *)
2413 		ice_pkg_buf_alloc_section(bld, ICE_SID_TXPARSER_BOOST_TCAM,
2414 					  ice_struct_size(sect_tx, tcam, 1));
2415 	if (!sect_tx)
2416 		goto ice_create_tunnel_err;
2417 	sect_tx->count = CPU_TO_LE16(1);
2418 
2419 	/* copy original boost entry to update package buffer */
2420 	ice_memcpy(sect_rx->tcam, hw->tnl.tbl[index].boost_entry,
2421 		   sizeof(*sect_rx->tcam), ICE_NONDMA_TO_NONDMA);
2422 
2423 	/* over-write the never-match dest port key bits with the encoded port
2424 	 * bits
2425 	 */
2426 	ice_set_key((u8 *)&sect_rx->tcam[0].key, sizeof(sect_rx->tcam[0].key),
2427 		    (u8 *)&port, NULL, NULL, NULL,
2428 		    (u16)offsetof(struct ice_boost_key_value, hv_dst_port_key),
2429 		    sizeof(sect_rx->tcam[0].key.key.hv_dst_port_key));
2430 
2431 	/* exact copy of entry to Tx section entry */
2432 	ice_memcpy(sect_tx->tcam, sect_rx->tcam, sizeof(*sect_tx->tcam),
2433 		   ICE_NONDMA_TO_NONDMA);
2434 
2435 	status = ice_update_pkg(hw, ice_pkg_buf(bld), 1);
2436 	if (!status) {
2437 		hw->tnl.tbl[index].port = port;
2438 		hw->tnl.tbl[index].in_use = true;
2439 		hw->tnl.tbl[index].ref = 1;
2440 	}
2441 
2442 ice_create_tunnel_err:
2443 	ice_pkg_buf_free(hw, bld);
2444 
2445 ice_create_tunnel_end:
2446 	ice_release_lock(&hw->tnl_lock);
2447 
2448 	return status;
2449 }
2450 
2451 /**
2452  * ice_destroy_tunnel
2453  * @hw: pointer to the HW structure
2454  * @port: port of tunnel to destroy (ignored if the all parameter is true)
2455  * @all: flag that states to destroy all tunnels
2456  *
2457  * Destroys a tunnel or all tunnels by creating an update package buffer
2458  * targeting the specific updates requested and then performing an update
2459  * package.
2460  */
2461 enum ice_status ice_destroy_tunnel(struct ice_hw *hw, u16 port, bool all)
2462 {
2463 	struct ice_boost_tcam_section *sect_rx, *sect_tx;
2464 	enum ice_status status = ICE_ERR_MAX_LIMIT;
2465 	struct ice_buf_build *bld;
2466 	u16 count = 0;
2467 	u16 index;
2468 	u16 size;
2469 	u16 i, j;
2470 
2471 	ice_acquire_lock(&hw->tnl_lock);
2472 
2473 	if (!all && ice_tunnel_port_in_use_hlpr(hw, port, &index))
2474 		if (hw->tnl.tbl[index].ref > 1) {
2475 			hw->tnl.tbl[index].ref--;
2476 			status = ICE_SUCCESS;
2477 			goto ice_destroy_tunnel_end;
2478 		}
2479 
2480 	/* determine count */
2481 	for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++)
2482 		if (hw->tnl.tbl[i].valid && hw->tnl.tbl[i].in_use &&
2483 		    (all || hw->tnl.tbl[i].port == port))
2484 			count++;
2485 
2486 	if (!count) {
2487 		status = ICE_ERR_PARAM;
2488 		goto ice_destroy_tunnel_end;
2489 	}
2490 
2491 	/* size of section - there is at least one entry */
2492 	size = ice_struct_size(sect_rx, tcam, count);
2493 
2494 	bld = ice_pkg_buf_alloc(hw);
2495 	if (!bld) {
2496 		status = ICE_ERR_NO_MEMORY;
2497 		goto ice_destroy_tunnel_end;
2498 	}
2499 
2500 	/* allocate 2 sections, one for Rx parser, one for Tx parser */
2501 	if (ice_pkg_buf_reserve_section(bld, 2))
2502 		goto ice_destroy_tunnel_err;
2503 
2504 	sect_rx = (struct ice_boost_tcam_section *)
2505 		ice_pkg_buf_alloc_section(bld, ICE_SID_RXPARSER_BOOST_TCAM,
2506 					  size);
2507 	if (!sect_rx)
2508 		goto ice_destroy_tunnel_err;
2509 	sect_rx->count = CPU_TO_LE16(count);
2510 
2511 	sect_tx = (struct ice_boost_tcam_section *)
2512 		ice_pkg_buf_alloc_section(bld, ICE_SID_TXPARSER_BOOST_TCAM,
2513 					  size);
2514 	if (!sect_tx)
2515 		goto ice_destroy_tunnel_err;
2516 	sect_tx->count = CPU_TO_LE16(count);
2517 
2518 	/* copy original boost entry to update package buffer, one copy to Rx
2519 	 * section, another copy to the Tx section
2520 	 */
2521 	for (i = 0, j = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++)
2522 		if (hw->tnl.tbl[i].valid && hw->tnl.tbl[i].in_use &&
2523 		    (all || hw->tnl.tbl[i].port == port)) {
2524 			ice_memcpy(sect_rx->tcam + j,
2525 				   hw->tnl.tbl[i].boost_entry,
2526 				   sizeof(*sect_rx->tcam),
2527 				   ICE_NONDMA_TO_NONDMA);
2528 			ice_memcpy(sect_tx->tcam + j,
2529 				   hw->tnl.tbl[i].boost_entry,
2530 				   sizeof(*sect_tx->tcam),
2531 				   ICE_NONDMA_TO_NONDMA);
2532 			hw->tnl.tbl[i].marked = true;
2533 			j++;
2534 		}
2535 
2536 	status = ice_update_pkg(hw, ice_pkg_buf(bld), 1);
2537 	if (!status)
2538 		for (i = 0; i < hw->tnl.count &&
2539 		     i < ICE_TUNNEL_MAX_ENTRIES; i++)
2540 			if (hw->tnl.tbl[i].marked) {
2541 				hw->tnl.tbl[i].ref = 0;
2542 				hw->tnl.tbl[i].port = 0;
2543 				hw->tnl.tbl[i].in_use = false;
2544 				hw->tnl.tbl[i].marked = false;
2545 			}
2546 
2547 ice_destroy_tunnel_err:
2548 	ice_pkg_buf_free(hw, bld);
2549 
2550 ice_destroy_tunnel_end:
2551 	ice_release_lock(&hw->tnl_lock);
2552 
2553 	return status;
2554 }
2555 
2556 /**
2557  * ice_find_prot_off - find prot ID and offset pair, based on prof and FV index
2558  * @hw: pointer to the hardware structure
2559  * @blk: hardware block
2560  * @prof: profile ID
2561  * @fv_idx: field vector word index
2562  * @prot: variable to receive the protocol ID
2563  * @off: variable to receive the protocol offset
2564  */
2565 enum ice_status
2566 ice_find_prot_off(struct ice_hw *hw, enum ice_block blk, u8 prof, u16 fv_idx,
2567 		  u8 *prot, u16 *off)
2568 {
2569 	struct ice_fv_word *fv_ext;
2570 
2571 	if (prof >= hw->blk[blk].es.count)
2572 		return ICE_ERR_PARAM;
2573 
2574 	if (fv_idx >= hw->blk[blk].es.fvw)
2575 		return ICE_ERR_PARAM;
2576 
2577 	fv_ext = hw->blk[blk].es.t + (prof * hw->blk[blk].es.fvw);
2578 
2579 	*prot = fv_ext[fv_idx].prot_id;
2580 	*off = fv_ext[fv_idx].off;
2581 
2582 	return ICE_SUCCESS;
2583 }
2584 
2585 /* PTG Management */
2586 
2587 /**
2588  * ice_ptg_find_ptype - Search for packet type group using packet type (ptype)
2589  * @hw: pointer to the hardware structure
2590  * @blk: HW block
2591  * @ptype: the ptype to search for
2592  * @ptg: pointer to variable that receives the PTG
2593  *
2594  * This function will search the PTGs for a particular ptype, returning the
2595  * PTG ID that contains it through the PTG parameter, with the value of
2596  * ICE_DEFAULT_PTG (0) meaning it is part the default PTG.
2597  */
2598 static enum ice_status
2599 ice_ptg_find_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 *ptg)
2600 {
2601 	if (ptype >= ICE_XLT1_CNT || !ptg)
2602 		return ICE_ERR_PARAM;
2603 
2604 	*ptg = hw->blk[blk].xlt1.ptypes[ptype].ptg;
2605 	return ICE_SUCCESS;
2606 }
2607 
2608 /**
2609  * ice_ptg_alloc_val - Allocates a new packet type group ID by value
2610  * @hw: pointer to the hardware structure
2611  * @blk: HW block
2612  * @ptg: the PTG to allocate
2613  *
2614  * This function allocates a given packet type group ID specified by the PTG
2615  * parameter.
2616  */
2617 static void ice_ptg_alloc_val(struct ice_hw *hw, enum ice_block blk, u8 ptg)
2618 {
2619 	hw->blk[blk].xlt1.ptg_tbl[ptg].in_use = true;
2620 }
2621 
2622 /**
2623  * ice_ptg_remove_ptype - Removes ptype from a particular packet type group
2624  * @hw: pointer to the hardware structure
2625  * @blk: HW block
2626  * @ptype: the ptype to remove
2627  * @ptg: the PTG to remove the ptype from
2628  *
2629  * This function will remove the ptype from the specific PTG, and move it to
2630  * the default PTG (ICE_DEFAULT_PTG).
2631  */
2632 static enum ice_status
2633 ice_ptg_remove_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 ptg)
2634 {
2635 	struct ice_ptg_ptype **ch;
2636 	struct ice_ptg_ptype *p;
2637 
2638 	if (ptype > ICE_XLT1_CNT - 1)
2639 		return ICE_ERR_PARAM;
2640 
2641 	if (!hw->blk[blk].xlt1.ptg_tbl[ptg].in_use)
2642 		return ICE_ERR_DOES_NOT_EXIST;
2643 
2644 	/* Should not happen if .in_use is set, bad config */
2645 	if (!hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype)
2646 		return ICE_ERR_CFG;
2647 
2648 	/* find the ptype within this PTG, and bypass the link over it */
2649 	p = hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype;
2650 	ch = &hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype;
2651 	while (p) {
2652 		if (ptype == (p - hw->blk[blk].xlt1.ptypes)) {
2653 			*ch = p->next_ptype;
2654 			break;
2655 		}
2656 
2657 		ch = &p->next_ptype;
2658 		p = p->next_ptype;
2659 	}
2660 
2661 	hw->blk[blk].xlt1.ptypes[ptype].ptg = ICE_DEFAULT_PTG;
2662 	hw->blk[blk].xlt1.ptypes[ptype].next_ptype = NULL;
2663 
2664 	return ICE_SUCCESS;
2665 }
2666 
2667 /**
2668  * ice_ptg_add_mv_ptype - Adds/moves ptype to a particular packet type group
2669  * @hw: pointer to the hardware structure
2670  * @blk: HW block
2671  * @ptype: the ptype to add or move
2672  * @ptg: the PTG to add or move the ptype to
2673  *
2674  * This function will either add or move a ptype to a particular PTG depending
2675  * on if the ptype is already part of another group. Note that using a
2676  * a destination PTG ID of ICE_DEFAULT_PTG (0) will move the ptype to the
2677  * default PTG.
2678  */
2679 static enum ice_status
2680 ice_ptg_add_mv_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 ptg)
2681 {
2682 	enum ice_status status;
2683 	u8 original_ptg;
2684 
2685 	if (ptype > ICE_XLT1_CNT - 1)
2686 		return ICE_ERR_PARAM;
2687 
2688 	if (!hw->blk[blk].xlt1.ptg_tbl[ptg].in_use && ptg != ICE_DEFAULT_PTG)
2689 		return ICE_ERR_DOES_NOT_EXIST;
2690 
2691 	status = ice_ptg_find_ptype(hw, blk, ptype, &original_ptg);
2692 	if (status)
2693 		return status;
2694 
2695 	/* Is ptype already in the correct PTG? */
2696 	if (original_ptg == ptg)
2697 		return ICE_SUCCESS;
2698 
2699 	/* Remove from original PTG and move back to the default PTG */
2700 	if (original_ptg != ICE_DEFAULT_PTG)
2701 		ice_ptg_remove_ptype(hw, blk, ptype, original_ptg);
2702 
2703 	/* Moving to default PTG? Then we're done with this request */
2704 	if (ptg == ICE_DEFAULT_PTG)
2705 		return ICE_SUCCESS;
2706 
2707 	/* Add ptype to PTG at beginning of list */
2708 	hw->blk[blk].xlt1.ptypes[ptype].next_ptype =
2709 		hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype;
2710 	hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype =
2711 		&hw->blk[blk].xlt1.ptypes[ptype];
2712 
2713 	hw->blk[blk].xlt1.ptypes[ptype].ptg = ptg;
2714 	hw->blk[blk].xlt1.t[ptype] = ptg;
2715 
2716 	return ICE_SUCCESS;
2717 }
2718 
2719 /* Block / table size info */
2720 struct ice_blk_size_details {
2721 	u16 xlt1;			/* # XLT1 entries */
2722 	u16 xlt2;			/* # XLT2 entries */
2723 	u16 prof_tcam;			/* # profile ID TCAM entries */
2724 	u16 prof_id;			/* # profile IDs */
2725 	u8 prof_cdid_bits;		/* # CDID one-hot bits used in key */
2726 	u16 prof_redir;			/* # profile redirection entries */
2727 	u16 es;				/* # extraction sequence entries */
2728 	u16 fvw;			/* # field vector words */
2729 	u8 overwrite;			/* overwrite existing entries allowed */
2730 	u8 reverse;			/* reverse FV order */
2731 };
2732 
2733 static const struct ice_blk_size_details blk_sizes[ICE_BLK_COUNT] = {
2734 	/**
2735 	 * Table Definitions
2736 	 * XLT1 - Number of entries in XLT1 table
2737 	 * XLT2 - Number of entries in XLT2 table
2738 	 * TCAM - Number of entries Profile ID TCAM table
2739 	 * CDID - Control Domain ID of the hardware block
2740 	 * PRED - Number of entries in the Profile Redirection Table
2741 	 * FV   - Number of entries in the Field Vector
2742 	 * FVW  - Width (in WORDs) of the Field Vector
2743 	 * OVR  - Overwrite existing table entries
2744 	 * REV  - Reverse FV
2745 	 */
2746 	/*          XLT1        , XLT2        ,TCAM, PID,CDID,PRED,   FV, FVW */
2747 	/*          Overwrite   , Reverse FV */
2748 	/* SW  */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 256,   0,  256, 256,  48,
2749 		    false, false },
2750 	/* ACL */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128,   0,  128, 128,  32,
2751 		    false, false },
2752 	/* FD  */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128,   0,  128, 128,  24,
2753 		    false, true  },
2754 	/* RSS */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128,   0,  128, 128,  24,
2755 		    true,  true  },
2756 	/* PE  */ { ICE_XLT1_CNT, ICE_XLT2_CNT,  64,  32,   0,   32,  32,  24,
2757 		    false, false },
2758 };
2759 
2760 enum ice_sid_all {
2761 	ICE_SID_XLT1_OFF = 0,
2762 	ICE_SID_XLT2_OFF,
2763 	ICE_SID_PR_OFF,
2764 	ICE_SID_PR_REDIR_OFF,
2765 	ICE_SID_ES_OFF,
2766 	ICE_SID_OFF_COUNT,
2767 };
2768 
2769 /* Characteristic handling */
2770 
2771 /**
2772  * ice_match_prop_lst - determine if properties of two lists match
2773  * @list1: first properties list
2774  * @list2: second properties list
2775  *
2776  * Count, cookies and the order must match in order to be considered equivalent.
2777  */
2778 static bool
2779 ice_match_prop_lst(struct LIST_HEAD_TYPE *list1, struct LIST_HEAD_TYPE *list2)
2780 {
2781 	struct ice_vsig_prof *tmp1;
2782 	struct ice_vsig_prof *tmp2;
2783 	u16 chk_count = 0;
2784 	u16 count = 0;
2785 
2786 	/* compare counts */
2787 	LIST_FOR_EACH_ENTRY(tmp1, list1, ice_vsig_prof, list)
2788 		count++;
2789 	LIST_FOR_EACH_ENTRY(tmp2, list2, ice_vsig_prof, list)
2790 		chk_count++;
2791 	if (!count || count != chk_count)
2792 		return false;
2793 
2794 	tmp1 = LIST_FIRST_ENTRY(list1, struct ice_vsig_prof, list);
2795 	tmp2 = LIST_FIRST_ENTRY(list2, struct ice_vsig_prof, list);
2796 
2797 	/* profile cookies must compare, and in the exact same order to take
2798 	 * into account priority
2799 	 */
2800 	while (count--) {
2801 		if (tmp2->profile_cookie != tmp1->profile_cookie)
2802 			return false;
2803 
2804 		tmp1 = LIST_NEXT_ENTRY(tmp1, struct ice_vsig_prof, list);
2805 		tmp2 = LIST_NEXT_ENTRY(tmp2, struct ice_vsig_prof, list);
2806 	}
2807 
2808 	return true;
2809 }
2810 
2811 /* VSIG Management */
2812 
2813 /**
2814  * ice_vsig_find_vsi - find a VSIG that contains a specified VSI
2815  * @hw: pointer to the hardware structure
2816  * @blk: HW block
2817  * @vsi: VSI of interest
2818  * @vsig: pointer to receive the VSI group
2819  *
2820  * This function will lookup the VSI entry in the XLT2 list and return
2821  * the VSI group its associated with.
2822  */
2823 enum ice_status
2824 ice_vsig_find_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 *vsig)
2825 {
2826 	if (!vsig || vsi >= ICE_MAX_VSI)
2827 		return ICE_ERR_PARAM;
2828 
2829 	/* As long as there's a default or valid VSIG associated with the input
2830 	 * VSI, the functions returns a success. Any handling of VSIG will be
2831 	 * done by the following add, update or remove functions.
2832 	 */
2833 	*vsig = hw->blk[blk].xlt2.vsis[vsi].vsig;
2834 
2835 	return ICE_SUCCESS;
2836 }
2837 
2838 /**
2839  * ice_vsig_alloc_val - allocate a new VSIG by value
2840  * @hw: pointer to the hardware structure
2841  * @blk: HW block
2842  * @vsig: the VSIG to allocate
2843  *
2844  * This function will allocate a given VSIG specified by the VSIG parameter.
2845  */
2846 static u16 ice_vsig_alloc_val(struct ice_hw *hw, enum ice_block blk, u16 vsig)
2847 {
2848 	u16 idx = vsig & ICE_VSIG_IDX_M;
2849 
2850 	if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use) {
2851 		INIT_LIST_HEAD(&hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst);
2852 		hw->blk[blk].xlt2.vsig_tbl[idx].in_use = true;
2853 	}
2854 
2855 	return ICE_VSIG_VALUE(idx, hw->pf_id);
2856 }
2857 
2858 /**
2859  * ice_vsig_alloc - Finds a free entry and allocates a new VSIG
2860  * @hw: pointer to the hardware structure
2861  * @blk: HW block
2862  *
2863  * This function will iterate through the VSIG list and mark the first
2864  * unused entry for the new VSIG entry as used and return that value.
2865  */
2866 static u16 ice_vsig_alloc(struct ice_hw *hw, enum ice_block blk)
2867 {
2868 	u16 i;
2869 
2870 	for (i = 1; i < ICE_MAX_VSIGS; i++)
2871 		if (!hw->blk[blk].xlt2.vsig_tbl[i].in_use)
2872 			return ice_vsig_alloc_val(hw, blk, i);
2873 
2874 	return ICE_DEFAULT_VSIG;
2875 }
2876 
2877 /**
2878  * ice_find_dup_props_vsig - find VSI group with a specified set of properties
2879  * @hw: pointer to the hardware structure
2880  * @blk: HW block
2881  * @chs: characteristic list
2882  * @vsig: returns the VSIG with the matching profiles, if found
2883  *
2884  * Each VSIG is associated with a characteristic set; i.e. all VSIs under
2885  * a group have the same characteristic set. To check if there exists a VSIG
2886  * which has the same characteristics as the input characteristics; this
2887  * function will iterate through the XLT2 list and return the VSIG that has a
2888  * matching configuration. In order to make sure that priorities are accounted
2889  * for, the list must match exactly, including the order in which the
2890  * characteristics are listed.
2891  */
2892 static enum ice_status
2893 ice_find_dup_props_vsig(struct ice_hw *hw, enum ice_block blk,
2894 			struct LIST_HEAD_TYPE *chs, u16 *vsig)
2895 {
2896 	struct ice_xlt2 *xlt2 = &hw->blk[blk].xlt2;
2897 	u16 i;
2898 
2899 	for (i = 0; i < xlt2->count; i++)
2900 		if (xlt2->vsig_tbl[i].in_use &&
2901 		    ice_match_prop_lst(chs, &xlt2->vsig_tbl[i].prop_lst)) {
2902 			*vsig = ICE_VSIG_VALUE(i, hw->pf_id);
2903 			return ICE_SUCCESS;
2904 		}
2905 
2906 	return ICE_ERR_DOES_NOT_EXIST;
2907 }
2908 
2909 /**
2910  * ice_vsig_free - free VSI group
2911  * @hw: pointer to the hardware structure
2912  * @blk: HW block
2913  * @vsig: VSIG to remove
2914  *
2915  * The function will remove all VSIs associated with the input VSIG and move
2916  * them to the DEFAULT_VSIG and mark the VSIG available.
2917  */
2918 static enum ice_status
2919 ice_vsig_free(struct ice_hw *hw, enum ice_block blk, u16 vsig)
2920 {
2921 	struct ice_vsig_prof *dtmp, *del;
2922 	struct ice_vsig_vsi *vsi_cur;
2923 	u16 idx;
2924 
2925 	idx = vsig & ICE_VSIG_IDX_M;
2926 	if (idx >= ICE_MAX_VSIGS)
2927 		return ICE_ERR_PARAM;
2928 
2929 	if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use)
2930 		return ICE_ERR_DOES_NOT_EXIST;
2931 
2932 	hw->blk[blk].xlt2.vsig_tbl[idx].in_use = false;
2933 
2934 	vsi_cur = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
2935 	/* If the VSIG has at least 1 VSI then iterate through the
2936 	 * list and remove the VSIs before deleting the group.
2937 	 */
2938 	if (vsi_cur) {
2939 		/* remove all vsis associated with this VSIG XLT2 entry */
2940 		do {
2941 			struct ice_vsig_vsi *tmp = vsi_cur->next_vsi;
2942 
2943 			vsi_cur->vsig = ICE_DEFAULT_VSIG;
2944 			vsi_cur->changed = 1;
2945 			vsi_cur->next_vsi = NULL;
2946 			vsi_cur = tmp;
2947 		} while (vsi_cur);
2948 
2949 		/* NULL terminate head of VSI list */
2950 		hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi = NULL;
2951 	}
2952 
2953 	/* free characteristic list */
2954 	LIST_FOR_EACH_ENTRY_SAFE(del, dtmp,
2955 				 &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
2956 				 ice_vsig_prof, list) {
2957 		LIST_DEL(&del->list);
2958 		ice_free(hw, del);
2959 	}
2960 
2961 	/* if VSIG characteristic list was cleared for reset
2962 	 * re-initialize the list head
2963 	 */
2964 	INIT_LIST_HEAD(&hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst);
2965 
2966 	return ICE_SUCCESS;
2967 }
2968 
2969 /**
2970  * ice_vsig_remove_vsi - remove VSI from VSIG
2971  * @hw: pointer to the hardware structure
2972  * @blk: HW block
2973  * @vsi: VSI to remove
2974  * @vsig: VSI group to remove from
2975  *
2976  * The function will remove the input VSI from its VSI group and move it
2977  * to the DEFAULT_VSIG.
2978  */
2979 static enum ice_status
2980 ice_vsig_remove_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig)
2981 {
2982 	struct ice_vsig_vsi **vsi_head, *vsi_cur, *vsi_tgt;
2983 	u16 idx;
2984 
2985 	idx = vsig & ICE_VSIG_IDX_M;
2986 
2987 	if (vsi >= ICE_MAX_VSI || idx >= ICE_MAX_VSIGS)
2988 		return ICE_ERR_PARAM;
2989 
2990 	if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use)
2991 		return ICE_ERR_DOES_NOT_EXIST;
2992 
2993 	/* entry already in default VSIG, don't have to remove */
2994 	if (idx == ICE_DEFAULT_VSIG)
2995 		return ICE_SUCCESS;
2996 
2997 	vsi_head = &hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
2998 	if (!(*vsi_head))
2999 		return ICE_ERR_CFG;
3000 
3001 	vsi_tgt = &hw->blk[blk].xlt2.vsis[vsi];
3002 	vsi_cur = (*vsi_head);
3003 
3004 	/* iterate the VSI list, skip over the entry to be removed */
3005 	while (vsi_cur) {
3006 		if (vsi_tgt == vsi_cur) {
3007 			(*vsi_head) = vsi_cur->next_vsi;
3008 			break;
3009 		}
3010 		vsi_head = &vsi_cur->next_vsi;
3011 		vsi_cur = vsi_cur->next_vsi;
3012 	}
3013 
3014 	/* verify if VSI was removed from group list */
3015 	if (!vsi_cur)
3016 		return ICE_ERR_DOES_NOT_EXIST;
3017 
3018 	vsi_cur->vsig = ICE_DEFAULT_VSIG;
3019 	vsi_cur->changed = 1;
3020 	vsi_cur->next_vsi = NULL;
3021 
3022 	return ICE_SUCCESS;
3023 }
3024 
3025 /**
3026  * ice_vsig_add_mv_vsi - add or move a VSI to a VSI group
3027  * @hw: pointer to the hardware structure
3028  * @blk: HW block
3029  * @vsi: VSI to move
3030  * @vsig: destination VSI group
3031  *
3032  * This function will move or add the input VSI to the target VSIG.
3033  * The function will find the original VSIG the VSI belongs to and
3034  * move the entry to the DEFAULT_VSIG, update the original VSIG and
3035  * then move entry to the new VSIG.
3036  */
3037 static enum ice_status
3038 ice_vsig_add_mv_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig)
3039 {
3040 	struct ice_vsig_vsi *tmp;
3041 	enum ice_status status;
3042 	u16 orig_vsig, idx;
3043 
3044 	idx = vsig & ICE_VSIG_IDX_M;
3045 
3046 	if (vsi >= ICE_MAX_VSI || idx >= ICE_MAX_VSIGS)
3047 		return ICE_ERR_PARAM;
3048 
3049 	/* if VSIG not in use and VSIG is not default type this VSIG
3050 	 * doesn't exist.
3051 	 */
3052 	if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use &&
3053 	    vsig != ICE_DEFAULT_VSIG)
3054 		return ICE_ERR_DOES_NOT_EXIST;
3055 
3056 	status = ice_vsig_find_vsi(hw, blk, vsi, &orig_vsig);
3057 	if (status)
3058 		return status;
3059 
3060 	/* no update required if vsigs match */
3061 	if (orig_vsig == vsig)
3062 		return ICE_SUCCESS;
3063 
3064 	if (orig_vsig != ICE_DEFAULT_VSIG) {
3065 		/* remove entry from orig_vsig and add to default VSIG */
3066 		status = ice_vsig_remove_vsi(hw, blk, vsi, orig_vsig);
3067 		if (status)
3068 			return status;
3069 	}
3070 
3071 	if (idx == ICE_DEFAULT_VSIG)
3072 		return ICE_SUCCESS;
3073 
3074 	/* Create VSI entry and add VSIG and prop_mask values */
3075 	hw->blk[blk].xlt2.vsis[vsi].vsig = vsig;
3076 	hw->blk[blk].xlt2.vsis[vsi].changed = 1;
3077 
3078 	/* Add new entry to the head of the VSIG list */
3079 	tmp = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
3080 	hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi =
3081 		&hw->blk[blk].xlt2.vsis[vsi];
3082 	hw->blk[blk].xlt2.vsis[vsi].next_vsi = tmp;
3083 	hw->blk[blk].xlt2.t[vsi] = vsig;
3084 
3085 	return ICE_SUCCESS;
3086 }
3087 
3088 /**
3089  * ice_prof_has_mask_idx - determine if profile index masking is identical
3090  * @hw: pointer to the hardware structure
3091  * @blk: HW block
3092  * @prof: profile to check
3093  * @idx: profile index to check
3094  * @mask: mask to match
3095  */
3096 static bool
3097 ice_prof_has_mask_idx(struct ice_hw *hw, enum ice_block blk, u8 prof, u16 idx,
3098 		      u16 mask)
3099 {
3100 	bool expect_no_mask = false;
3101 	bool found = false;
3102 	bool match = false;
3103 	u16 i;
3104 
3105 	/* If mask is 0x0000 or 0xffff, then there is no masking */
3106 	if (mask == 0 || mask == 0xffff)
3107 		expect_no_mask = true;
3108 
3109 	/* Scan the enabled masks on this profile, for the specified idx */
3110 	for (i = hw->blk[blk].masks.first; i < hw->blk[blk].masks.first +
3111 	     hw->blk[blk].masks.count; i++)
3112 		if (hw->blk[blk].es.mask_ena[prof] & BIT(i))
3113 			if (hw->blk[blk].masks.masks[i].in_use &&
3114 			    hw->blk[blk].masks.masks[i].idx == idx) {
3115 				found = true;
3116 				if (hw->blk[blk].masks.masks[i].mask == mask)
3117 					match = true;
3118 				break;
3119 			}
3120 
3121 	if (expect_no_mask) {
3122 		if (found)
3123 			return false;
3124 	} else {
3125 		if (!match)
3126 			return false;
3127 	}
3128 
3129 	return true;
3130 }
3131 
3132 /**
3133  * ice_prof_has_mask - determine if profile masking is identical
3134  * @hw: pointer to the hardware structure
3135  * @blk: HW block
3136  * @prof: profile to check
3137  * @masks: masks to match
3138  */
3139 static bool
3140 ice_prof_has_mask(struct ice_hw *hw, enum ice_block blk, u8 prof, u16 *masks)
3141 {
3142 	u16 i;
3143 
3144 	/* es->mask_ena[prof] will have the mask */
3145 	for (i = 0; i < hw->blk[blk].es.fvw; i++)
3146 		if (!ice_prof_has_mask_idx(hw, blk, prof, i, masks[i]))
3147 			return false;
3148 
3149 	return true;
3150 }
3151 
3152 /**
3153  * ice_find_prof_id_with_mask - find profile ID for a given field vector
3154  * @hw: pointer to the hardware structure
3155  * @blk: HW block
3156  * @fv: field vector to search for
3157  * @masks: masks for fv
3158  * @prof_id: receives the profile ID
3159  */
3160 static enum ice_status
3161 ice_find_prof_id_with_mask(struct ice_hw *hw, enum ice_block blk,
3162 			   struct ice_fv_word *fv, u16 *masks, u8 *prof_id)
3163 {
3164 	struct ice_es *es = &hw->blk[blk].es;
3165 	u8 i;
3166 
3167 	/* For FD and RSS, we don't want to re-use an existed profile with the
3168 	 * same field vector and mask. This will cause rule interference.
3169 	 */
3170 	if (blk == ICE_BLK_FD || blk == ICE_BLK_RSS)
3171 		return ICE_ERR_DOES_NOT_EXIST;
3172 
3173 	for (i = 0; i < (u8)es->count; i++) {
3174 		u16 off = i * es->fvw;
3175 
3176 		if (memcmp(&es->t[off], fv, es->fvw * sizeof(*fv)))
3177 			continue;
3178 
3179 		/* check if masks settings are the same for this profile */
3180 		if (masks && !ice_prof_has_mask(hw, blk, i, masks))
3181 			continue;
3182 
3183 		*prof_id = i;
3184 		return ICE_SUCCESS;
3185 	}
3186 
3187 	return ICE_ERR_DOES_NOT_EXIST;
3188 }
3189 
3190 /**
3191  * ice_prof_id_rsrc_type - get profile ID resource type for a block type
3192  * @blk: the block type
3193  * @rsrc_type: pointer to variable to receive the resource type
3194  */
3195 static bool ice_prof_id_rsrc_type(enum ice_block blk, u16 *rsrc_type)
3196 {
3197 	switch (blk) {
3198 	case ICE_BLK_SW:
3199 		*rsrc_type = ICE_AQC_RES_TYPE_SWITCH_PROF_BLDR_PROFID;
3200 		break;
3201 	case ICE_BLK_ACL:
3202 		*rsrc_type = ICE_AQC_RES_TYPE_ACL_PROF_BLDR_PROFID;
3203 		break;
3204 	case ICE_BLK_FD:
3205 		*rsrc_type = ICE_AQC_RES_TYPE_FD_PROF_BLDR_PROFID;
3206 		break;
3207 	case ICE_BLK_RSS:
3208 		*rsrc_type = ICE_AQC_RES_TYPE_HASH_PROF_BLDR_PROFID;
3209 		break;
3210 	case ICE_BLK_PE:
3211 		*rsrc_type = ICE_AQC_RES_TYPE_QHASH_PROF_BLDR_PROFID;
3212 		break;
3213 	default:
3214 		return false;
3215 	}
3216 	return true;
3217 }
3218 
3219 /**
3220  * ice_tcam_ent_rsrc_type - get TCAM entry resource type for a block type
3221  * @blk: the block type
3222  * @rsrc_type: pointer to variable to receive the resource type
3223  */
3224 static bool ice_tcam_ent_rsrc_type(enum ice_block blk, u16 *rsrc_type)
3225 {
3226 	switch (blk) {
3227 	case ICE_BLK_SW:
3228 		*rsrc_type = ICE_AQC_RES_TYPE_SWITCH_PROF_BLDR_TCAM;
3229 		break;
3230 	case ICE_BLK_ACL:
3231 		*rsrc_type = ICE_AQC_RES_TYPE_ACL_PROF_BLDR_TCAM;
3232 		break;
3233 	case ICE_BLK_FD:
3234 		*rsrc_type = ICE_AQC_RES_TYPE_FD_PROF_BLDR_TCAM;
3235 		break;
3236 	case ICE_BLK_RSS:
3237 		*rsrc_type = ICE_AQC_RES_TYPE_HASH_PROF_BLDR_TCAM;
3238 		break;
3239 	case ICE_BLK_PE:
3240 		*rsrc_type = ICE_AQC_RES_TYPE_QHASH_PROF_BLDR_TCAM;
3241 		break;
3242 	default:
3243 		return false;
3244 	}
3245 	return true;
3246 }
3247 
3248 /**
3249  * ice_alloc_tcam_ent - allocate hardware TCAM entry
3250  * @hw: pointer to the HW struct
3251  * @blk: the block to allocate the TCAM for
3252  * @btm: true to allocate from bottom of table, false to allocate from top
3253  * @tcam_idx: pointer to variable to receive the TCAM entry
3254  *
3255  * This function allocates a new entry in a Profile ID TCAM for a specific
3256  * block.
3257  */
3258 static enum ice_status
3259 ice_alloc_tcam_ent(struct ice_hw *hw, enum ice_block blk, bool btm,
3260 		   u16 *tcam_idx)
3261 {
3262 	u16 res_type;
3263 
3264 	if (!ice_tcam_ent_rsrc_type(blk, &res_type))
3265 		return ICE_ERR_PARAM;
3266 
3267 	return ice_alloc_hw_res(hw, res_type, 1, btm, tcam_idx);
3268 }
3269 
3270 /**
3271  * ice_free_tcam_ent - free hardware TCAM entry
3272  * @hw: pointer to the HW struct
3273  * @blk: the block from which to free the TCAM entry
3274  * @tcam_idx: the TCAM entry to free
3275  *
3276  * This function frees an entry in a Profile ID TCAM for a specific block.
3277  */
3278 static enum ice_status
3279 ice_free_tcam_ent(struct ice_hw *hw, enum ice_block blk, u16 tcam_idx)
3280 {
3281 	u16 res_type;
3282 
3283 	if (!ice_tcam_ent_rsrc_type(blk, &res_type))
3284 		return ICE_ERR_PARAM;
3285 
3286 	return ice_free_hw_res(hw, res_type, 1, &tcam_idx);
3287 }
3288 
3289 /**
3290  * ice_alloc_prof_id - allocate profile ID
3291  * @hw: pointer to the HW struct
3292  * @blk: the block to allocate the profile ID for
3293  * @prof_id: pointer to variable to receive the profile ID
3294  *
3295  * This function allocates a new profile ID, which also corresponds to a Field
3296  * Vector (Extraction Sequence) entry.
3297  */
3298 static enum ice_status
3299 ice_alloc_prof_id(struct ice_hw *hw, enum ice_block blk, u8 *prof_id)
3300 {
3301 	enum ice_status status;
3302 	u16 res_type;
3303 	u16 get_prof;
3304 
3305 	if (!ice_prof_id_rsrc_type(blk, &res_type))
3306 		return ICE_ERR_PARAM;
3307 
3308 	status = ice_alloc_hw_res(hw, res_type, 1, false, &get_prof);
3309 	if (!status)
3310 		*prof_id = (u8)get_prof;
3311 
3312 	return status;
3313 }
3314 
3315 /**
3316  * ice_free_prof_id - free profile ID
3317  * @hw: pointer to the HW struct
3318  * @blk: the block from which to free the profile ID
3319  * @prof_id: the profile ID to free
3320  *
3321  * This function frees a profile ID, which also corresponds to a Field Vector.
3322  */
3323 static enum ice_status
3324 ice_free_prof_id(struct ice_hw *hw, enum ice_block blk, u8 prof_id)
3325 {
3326 	u16 tmp_prof_id = (u16)prof_id;
3327 	u16 res_type;
3328 
3329 	if (!ice_prof_id_rsrc_type(blk, &res_type))
3330 		return ICE_ERR_PARAM;
3331 
3332 	return ice_free_hw_res(hw, res_type, 1, &tmp_prof_id);
3333 }
3334 
3335 /**
3336  * ice_prof_inc_ref - increment reference count for profile
3337  * @hw: pointer to the HW struct
3338  * @blk: the block from which to free the profile ID
3339  * @prof_id: the profile ID for which to increment the reference count
3340  */
3341 static enum ice_status
3342 ice_prof_inc_ref(struct ice_hw *hw, enum ice_block blk, u8 prof_id)
3343 {
3344 	if (prof_id > hw->blk[blk].es.count)
3345 		return ICE_ERR_PARAM;
3346 
3347 	hw->blk[blk].es.ref_count[prof_id]++;
3348 
3349 	return ICE_SUCCESS;
3350 }
3351 
3352 /**
3353  * ice_write_prof_mask_reg - write profile mask register
3354  * @hw: pointer to the HW struct
3355  * @blk: hardware block
3356  * @mask_idx: mask index
3357  * @idx: index of the FV which will use the mask
3358  * @mask: the 16-bit mask
3359  */
3360 static void
3361 ice_write_prof_mask_reg(struct ice_hw *hw, enum ice_block blk, u16 mask_idx,
3362 			u16 idx, u16 mask)
3363 {
3364 	u32 offset;
3365 	u32 val;
3366 
3367 	switch (blk) {
3368 	case ICE_BLK_RSS:
3369 		offset = GLQF_HMASK(mask_idx);
3370 		val = (idx << GLQF_HMASK_MSK_INDEX_S) &
3371 			GLQF_HMASK_MSK_INDEX_M;
3372 		val |= (mask << GLQF_HMASK_MASK_S) & GLQF_HMASK_MASK_M;
3373 		break;
3374 	case ICE_BLK_FD:
3375 		offset = GLQF_FDMASK(mask_idx);
3376 		val = (idx << GLQF_FDMASK_MSK_INDEX_S) &
3377 			GLQF_FDMASK_MSK_INDEX_M;
3378 		val |= (mask << GLQF_FDMASK_MASK_S) &
3379 			GLQF_FDMASK_MASK_M;
3380 		break;
3381 	default:
3382 		ice_debug(hw, ICE_DBG_PKG, "No profile masks for block %d\n",
3383 			  blk);
3384 		return;
3385 	}
3386 
3387 	wr32(hw, offset, val);
3388 	ice_debug(hw, ICE_DBG_PKG, "write mask, blk %d (%d): %x = %x\n",
3389 		  blk, idx, offset, val);
3390 }
3391 
3392 /**
3393  * ice_write_prof_mask_enable_res - write profile mask enable register
3394  * @hw: pointer to the HW struct
3395  * @blk: hardware block
3396  * @prof_id: profile ID
3397  * @enable_mask: enable mask
3398  */
3399 static void
3400 ice_write_prof_mask_enable_res(struct ice_hw *hw, enum ice_block blk,
3401 			       u16 prof_id, u32 enable_mask)
3402 {
3403 	u32 offset;
3404 
3405 	switch (blk) {
3406 	case ICE_BLK_RSS:
3407 		offset = GLQF_HMASK_SEL(prof_id);
3408 		break;
3409 	case ICE_BLK_FD:
3410 		offset = GLQF_FDMASK_SEL(prof_id);
3411 		break;
3412 	default:
3413 		ice_debug(hw, ICE_DBG_PKG, "No profile masks for block %d\n",
3414 			  blk);
3415 		return;
3416 	}
3417 
3418 	wr32(hw, offset, enable_mask);
3419 	ice_debug(hw, ICE_DBG_PKG, "write mask enable, blk %d (%d): %x = %x\n",
3420 		  blk, prof_id, offset, enable_mask);
3421 }
3422 
3423 /**
3424  * ice_init_prof_masks - initial prof masks
3425  * @hw: pointer to the HW struct
3426  * @blk: hardware block
3427  */
3428 static void ice_init_prof_masks(struct ice_hw *hw, enum ice_block blk)
3429 {
3430 	u16 per_pf;
3431 	u16 i;
3432 
3433 	ice_init_lock(&hw->blk[blk].masks.lock);
3434 
3435 	per_pf = ICE_PROF_MASK_COUNT / hw->dev_caps.num_funcs;
3436 
3437 	hw->blk[blk].masks.count = per_pf;
3438 	hw->blk[blk].masks.first = hw->pf_id * per_pf;
3439 
3440 	ice_memset(hw->blk[blk].masks.masks, 0,
3441 		   sizeof(hw->blk[blk].masks.masks), ICE_NONDMA_MEM);
3442 
3443 	for (i = hw->blk[blk].masks.first;
3444 	     i < hw->blk[blk].masks.first + hw->blk[blk].masks.count; i++)
3445 		ice_write_prof_mask_reg(hw, blk, i, 0, 0);
3446 }
3447 
3448 /**
3449  * ice_init_all_prof_masks - initial all prof masks
3450  * @hw: pointer to the HW struct
3451  */
3452 void ice_init_all_prof_masks(struct ice_hw *hw)
3453 {
3454 	ice_init_prof_masks(hw, ICE_BLK_RSS);
3455 	ice_init_prof_masks(hw, ICE_BLK_FD);
3456 }
3457 
3458 /**
3459  * ice_alloc_prof_mask - allocate profile mask
3460  * @hw: pointer to the HW struct
3461  * @blk: hardware block
3462  * @idx: index of FV which will use the mask
3463  * @mask: the 16-bit mask
3464  * @mask_idx: variable to receive the mask index
3465  */
3466 static enum ice_status
3467 ice_alloc_prof_mask(struct ice_hw *hw, enum ice_block blk, u16 idx, u16 mask,
3468 		    u16 *mask_idx)
3469 {
3470 	bool found_unused = false, found_copy = false;
3471 	enum ice_status status = ICE_ERR_MAX_LIMIT;
3472 	u16 unused_idx = 0, copy_idx = 0;
3473 	u16 i;
3474 
3475 	if (blk != ICE_BLK_RSS && blk != ICE_BLK_FD)
3476 		return ICE_ERR_PARAM;
3477 
3478 	ice_acquire_lock(&hw->blk[blk].masks.lock);
3479 
3480 	for (i = hw->blk[blk].masks.first;
3481 	     i < hw->blk[blk].masks.first + hw->blk[blk].masks.count; i++)
3482 		if (hw->blk[blk].masks.masks[i].in_use) {
3483 			/* if mask is in use and it exactly duplicates the
3484 			 * desired mask and index, then in can be reused
3485 			 */
3486 			if (hw->blk[blk].masks.masks[i].mask == mask &&
3487 			    hw->blk[blk].masks.masks[i].idx == idx) {
3488 				found_copy = true;
3489 				copy_idx = i;
3490 				break;
3491 			}
3492 		} else {
3493 			/* save off unused index, but keep searching in case
3494 			 * there is an exact match later on
3495 			 */
3496 			if (!found_unused) {
3497 				found_unused = true;
3498 				unused_idx = i;
3499 			}
3500 		}
3501 
3502 	if (found_copy)
3503 		i = copy_idx;
3504 	else if (found_unused)
3505 		i = unused_idx;
3506 	else
3507 		goto err_ice_alloc_prof_mask;
3508 
3509 	/* update mask for a new entry */
3510 	if (found_unused) {
3511 		hw->blk[blk].masks.masks[i].in_use = true;
3512 		hw->blk[blk].masks.masks[i].mask = mask;
3513 		hw->blk[blk].masks.masks[i].idx = idx;
3514 		hw->blk[blk].masks.masks[i].ref = 0;
3515 		ice_write_prof_mask_reg(hw, blk, i, idx, mask);
3516 	}
3517 
3518 	hw->blk[blk].masks.masks[i].ref++;
3519 	*mask_idx = i;
3520 	status = ICE_SUCCESS;
3521 
3522 err_ice_alloc_prof_mask:
3523 	ice_release_lock(&hw->blk[blk].masks.lock);
3524 
3525 	return status;
3526 }
3527 
3528 /**
3529  * ice_free_prof_mask - free profile mask
3530  * @hw: pointer to the HW struct
3531  * @blk: hardware block
3532  * @mask_idx: index of mask
3533  */
3534 static enum ice_status
3535 ice_free_prof_mask(struct ice_hw *hw, enum ice_block blk, u16 mask_idx)
3536 {
3537 	if (blk != ICE_BLK_RSS && blk != ICE_BLK_FD)
3538 		return ICE_ERR_PARAM;
3539 
3540 	if (!(mask_idx >= hw->blk[blk].masks.first &&
3541 	      mask_idx < hw->blk[blk].masks.first + hw->blk[blk].masks.count))
3542 		return ICE_ERR_DOES_NOT_EXIST;
3543 
3544 	ice_acquire_lock(&hw->blk[blk].masks.lock);
3545 
3546 	if (!hw->blk[blk].masks.masks[mask_idx].in_use)
3547 		goto exit_ice_free_prof_mask;
3548 
3549 	if (hw->blk[blk].masks.masks[mask_idx].ref > 1) {
3550 		hw->blk[blk].masks.masks[mask_idx].ref--;
3551 		goto exit_ice_free_prof_mask;
3552 	}
3553 
3554 	/* remove mask */
3555 	hw->blk[blk].masks.masks[mask_idx].in_use = false;
3556 	hw->blk[blk].masks.masks[mask_idx].mask = 0;
3557 	hw->blk[blk].masks.masks[mask_idx].idx = 0;
3558 
3559 	/* update mask as unused entry */
3560 	ice_debug(hw, ICE_DBG_PKG, "Free mask, blk %d, mask %d\n", blk,
3561 		  mask_idx);
3562 	ice_write_prof_mask_reg(hw, blk, mask_idx, 0, 0);
3563 
3564 exit_ice_free_prof_mask:
3565 	ice_release_lock(&hw->blk[blk].masks.lock);
3566 
3567 	return ICE_SUCCESS;
3568 }
3569 
3570 /**
3571  * ice_free_prof_masks - free all profile masks for a profile
3572  * @hw: pointer to the HW struct
3573  * @blk: hardware block
3574  * @prof_id: profile ID
3575  */
3576 static enum ice_status
3577 ice_free_prof_masks(struct ice_hw *hw, enum ice_block blk, u16 prof_id)
3578 {
3579 	u32 mask_bm;
3580 	u16 i;
3581 
3582 	if (blk != ICE_BLK_RSS && blk != ICE_BLK_FD)
3583 		return ICE_ERR_PARAM;
3584 
3585 	mask_bm = hw->blk[blk].es.mask_ena[prof_id];
3586 	for (i = 0; i < BITS_PER_BYTE * sizeof(mask_bm); i++)
3587 		if (mask_bm & BIT(i))
3588 			ice_free_prof_mask(hw, blk, i);
3589 
3590 	return ICE_SUCCESS;
3591 }
3592 
3593 /**
3594  * ice_shutdown_prof_masks - releases lock for masking
3595  * @hw: pointer to the HW struct
3596  * @blk: hardware block
3597  *
3598  * This should be called before unloading the driver
3599  */
3600 static void ice_shutdown_prof_masks(struct ice_hw *hw, enum ice_block blk)
3601 {
3602 	u16 i;
3603 
3604 	ice_acquire_lock(&hw->blk[blk].masks.lock);
3605 
3606 	for (i = hw->blk[blk].masks.first;
3607 	     i < hw->blk[blk].masks.first + hw->blk[blk].masks.count; i++) {
3608 		ice_write_prof_mask_reg(hw, blk, i, 0, 0);
3609 
3610 		hw->blk[blk].masks.masks[i].in_use = false;
3611 		hw->blk[blk].masks.masks[i].idx = 0;
3612 		hw->blk[blk].masks.masks[i].mask = 0;
3613 	}
3614 
3615 	ice_release_lock(&hw->blk[blk].masks.lock);
3616 	ice_destroy_lock(&hw->blk[blk].masks.lock);
3617 }
3618 
3619 /**
3620  * ice_shutdown_all_prof_masks - releases all locks for masking
3621  * @hw: pointer to the HW struct
3622  *
3623  * This should be called before unloading the driver
3624  */
3625 void ice_shutdown_all_prof_masks(struct ice_hw *hw)
3626 {
3627 	ice_shutdown_prof_masks(hw, ICE_BLK_RSS);
3628 	ice_shutdown_prof_masks(hw, ICE_BLK_FD);
3629 }
3630 
3631 /**
3632  * ice_update_prof_masking - set registers according to masking
3633  * @hw: pointer to the HW struct
3634  * @blk: hardware block
3635  * @prof_id: profile ID
3636  * @masks: masks
3637  */
3638 static enum ice_status
3639 ice_update_prof_masking(struct ice_hw *hw, enum ice_block blk, u16 prof_id,
3640 			u16 *masks)
3641 {
3642 	bool err = false;
3643 	u32 ena_mask = 0;
3644 	u16 idx;
3645 	u16 i;
3646 
3647 	/* Only support FD and RSS masking, otherwise nothing to be done */
3648 	if (blk != ICE_BLK_RSS && blk != ICE_BLK_FD)
3649 		return ICE_SUCCESS;
3650 
3651 	for (i = 0; i < hw->blk[blk].es.fvw; i++)
3652 		if (masks[i] && masks[i] != 0xFFFF) {
3653 			if (!ice_alloc_prof_mask(hw, blk, i, masks[i], &idx)) {
3654 				ena_mask |= BIT(idx);
3655 			} else {
3656 				/* not enough bitmaps */
3657 				err = true;
3658 				break;
3659 			}
3660 		}
3661 
3662 	if (err) {
3663 		/* free any bitmaps we have allocated */
3664 		for (i = 0; i < BITS_PER_BYTE * sizeof(ena_mask); i++)
3665 			if (ena_mask & BIT(i))
3666 				ice_free_prof_mask(hw, blk, i);
3667 
3668 		return ICE_ERR_OUT_OF_RANGE;
3669 	}
3670 
3671 	/* enable the masks for this profile */
3672 	ice_write_prof_mask_enable_res(hw, blk, prof_id, ena_mask);
3673 
3674 	/* store enabled masks with profile so that they can be freed later */
3675 	hw->blk[blk].es.mask_ena[prof_id] = ena_mask;
3676 
3677 	return ICE_SUCCESS;
3678 }
3679 
3680 /**
3681  * ice_write_es - write an extraction sequence to hardware
3682  * @hw: pointer to the HW struct
3683  * @blk: the block in which to write the extraction sequence
3684  * @prof_id: the profile ID to write
3685  * @fv: pointer to the extraction sequence to write - NULL to clear extraction
3686  */
3687 static void
3688 ice_write_es(struct ice_hw *hw, enum ice_block blk, u8 prof_id,
3689 	     struct ice_fv_word *fv)
3690 {
3691 	u16 off;
3692 
3693 	off = prof_id * hw->blk[blk].es.fvw;
3694 	if (!fv) {
3695 		ice_memset(&hw->blk[blk].es.t[off], 0, hw->blk[blk].es.fvw *
3696 			   sizeof(*fv), ICE_NONDMA_MEM);
3697 		hw->blk[blk].es.written[prof_id] = false;
3698 	} else {
3699 		ice_memcpy(&hw->blk[blk].es.t[off], fv, hw->blk[blk].es.fvw *
3700 			   sizeof(*fv), ICE_NONDMA_TO_NONDMA);
3701 	}
3702 }
3703 
3704 /**
3705  * ice_prof_dec_ref - decrement reference count for profile
3706  * @hw: pointer to the HW struct
3707  * @blk: the block from which to free the profile ID
3708  * @prof_id: the profile ID for which to decrement the reference count
3709  */
3710 static enum ice_status
3711 ice_prof_dec_ref(struct ice_hw *hw, enum ice_block blk, u8 prof_id)
3712 {
3713 	if (prof_id > hw->blk[blk].es.count)
3714 		return ICE_ERR_PARAM;
3715 
3716 	if (hw->blk[blk].es.ref_count[prof_id] > 0) {
3717 		if (!--hw->blk[blk].es.ref_count[prof_id]) {
3718 			ice_write_es(hw, blk, prof_id, NULL);
3719 			ice_free_prof_masks(hw, blk, prof_id);
3720 			return ice_free_prof_id(hw, blk, prof_id);
3721 		}
3722 	}
3723 
3724 	return ICE_SUCCESS;
3725 }
3726 
3727 /* Block / table section IDs */
3728 static const u32 ice_blk_sids[ICE_BLK_COUNT][ICE_SID_OFF_COUNT] = {
3729 	/* SWITCH */
3730 	{	ICE_SID_XLT1_SW,
3731 		ICE_SID_XLT2_SW,
3732 		ICE_SID_PROFID_TCAM_SW,
3733 		ICE_SID_PROFID_REDIR_SW,
3734 		ICE_SID_FLD_VEC_SW
3735 	},
3736 
3737 	/* ACL */
3738 	{	ICE_SID_XLT1_ACL,
3739 		ICE_SID_XLT2_ACL,
3740 		ICE_SID_PROFID_TCAM_ACL,
3741 		ICE_SID_PROFID_REDIR_ACL,
3742 		ICE_SID_FLD_VEC_ACL
3743 	},
3744 
3745 	/* FD */
3746 	{	ICE_SID_XLT1_FD,
3747 		ICE_SID_XLT2_FD,
3748 		ICE_SID_PROFID_TCAM_FD,
3749 		ICE_SID_PROFID_REDIR_FD,
3750 		ICE_SID_FLD_VEC_FD
3751 	},
3752 
3753 	/* RSS */
3754 	{	ICE_SID_XLT1_RSS,
3755 		ICE_SID_XLT2_RSS,
3756 		ICE_SID_PROFID_TCAM_RSS,
3757 		ICE_SID_PROFID_REDIR_RSS,
3758 		ICE_SID_FLD_VEC_RSS
3759 	},
3760 
3761 	/* PE */
3762 	{	ICE_SID_XLT1_PE,
3763 		ICE_SID_XLT2_PE,
3764 		ICE_SID_PROFID_TCAM_PE,
3765 		ICE_SID_PROFID_REDIR_PE,
3766 		ICE_SID_FLD_VEC_PE
3767 	}
3768 };
3769 
3770 /**
3771  * ice_init_sw_xlt1_db - init software XLT1 database from HW tables
3772  * @hw: pointer to the hardware structure
3773  * @blk: the HW block to initialize
3774  */
3775 static void ice_init_sw_xlt1_db(struct ice_hw *hw, enum ice_block blk)
3776 {
3777 	u16 pt;
3778 
3779 	for (pt = 0; pt < hw->blk[blk].xlt1.count; pt++) {
3780 		u8 ptg;
3781 
3782 		ptg = hw->blk[blk].xlt1.t[pt];
3783 		if (ptg != ICE_DEFAULT_PTG) {
3784 			ice_ptg_alloc_val(hw, blk, ptg);
3785 			ice_ptg_add_mv_ptype(hw, blk, pt, ptg);
3786 		}
3787 	}
3788 }
3789 
3790 /**
3791  * ice_init_sw_xlt2_db - init software XLT2 database from HW tables
3792  * @hw: pointer to the hardware structure
3793  * @blk: the HW block to initialize
3794  */
3795 static void ice_init_sw_xlt2_db(struct ice_hw *hw, enum ice_block blk)
3796 {
3797 	u16 vsi;
3798 
3799 	for (vsi = 0; vsi < hw->blk[blk].xlt2.count; vsi++) {
3800 		u16 vsig;
3801 
3802 		vsig = hw->blk[blk].xlt2.t[vsi];
3803 		if (vsig) {
3804 			ice_vsig_alloc_val(hw, blk, vsig);
3805 			ice_vsig_add_mv_vsi(hw, blk, vsi, vsig);
3806 			/* no changes at this time, since this has been
3807 			 * initialized from the original package
3808 			 */
3809 			hw->blk[blk].xlt2.vsis[vsi].changed = 0;
3810 		}
3811 	}
3812 }
3813 
3814 /**
3815  * ice_init_sw_db - init software database from HW tables
3816  * @hw: pointer to the hardware structure
3817  */
3818 static void ice_init_sw_db(struct ice_hw *hw)
3819 {
3820 	u16 i;
3821 
3822 	for (i = 0; i < ICE_BLK_COUNT; i++) {
3823 		ice_init_sw_xlt1_db(hw, (enum ice_block)i);
3824 		ice_init_sw_xlt2_db(hw, (enum ice_block)i);
3825 	}
3826 }
3827 
3828 /**
3829  * ice_fill_tbl - Reads content of a single table type into database
3830  * @hw: pointer to the hardware structure
3831  * @block_id: Block ID of the table to copy
3832  * @sid: Section ID of the table to copy
3833  *
3834  * Will attempt to read the entire content of a given table of a single block
3835  * into the driver database. We assume that the buffer will always
3836  * be as large or larger than the data contained in the package. If
3837  * this condition is not met, there is most likely an error in the package
3838  * contents.
3839  */
3840 static void ice_fill_tbl(struct ice_hw *hw, enum ice_block block_id, u32 sid)
3841 {
3842 	u32 dst_len, sect_len, offset = 0;
3843 	struct ice_prof_redir_section *pr;
3844 	struct ice_prof_id_section *pid;
3845 	struct ice_xlt1_section *xlt1;
3846 	struct ice_xlt2_section *xlt2;
3847 	struct ice_sw_fv_section *es;
3848 	struct ice_pkg_enum state;
3849 	u8 *src, *dst;
3850 	void *sect;
3851 
3852 	/* if the HW segment pointer is null then the first iteration of
3853 	 * ice_pkg_enum_section() will fail. In this case the HW tables will
3854 	 * not be filled and return success.
3855 	 */
3856 	if (!hw->seg) {
3857 		ice_debug(hw, ICE_DBG_PKG, "hw->seg is NULL, tables are not filled\n");
3858 		return;
3859 	}
3860 
3861 	ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM);
3862 
3863 	sect = ice_pkg_enum_section(hw->seg, &state, sid);
3864 
3865 	while (sect) {
3866 		switch (sid) {
3867 		case ICE_SID_XLT1_SW:
3868 		case ICE_SID_XLT1_FD:
3869 		case ICE_SID_XLT1_RSS:
3870 		case ICE_SID_XLT1_ACL:
3871 		case ICE_SID_XLT1_PE:
3872 			xlt1 = (struct ice_xlt1_section *)sect;
3873 			src = xlt1->value;
3874 			sect_len = LE16_TO_CPU(xlt1->count) *
3875 				sizeof(*hw->blk[block_id].xlt1.t);
3876 			dst = hw->blk[block_id].xlt1.t;
3877 			dst_len = hw->blk[block_id].xlt1.count *
3878 				sizeof(*hw->blk[block_id].xlt1.t);
3879 			break;
3880 		case ICE_SID_XLT2_SW:
3881 		case ICE_SID_XLT2_FD:
3882 		case ICE_SID_XLT2_RSS:
3883 		case ICE_SID_XLT2_ACL:
3884 		case ICE_SID_XLT2_PE:
3885 			xlt2 = (struct ice_xlt2_section *)sect;
3886 			src = (_FORCE_ u8 *)xlt2->value;
3887 			sect_len = LE16_TO_CPU(xlt2->count) *
3888 				sizeof(*hw->blk[block_id].xlt2.t);
3889 			dst = (u8 *)hw->blk[block_id].xlt2.t;
3890 			dst_len = hw->blk[block_id].xlt2.count *
3891 				sizeof(*hw->blk[block_id].xlt2.t);
3892 			break;
3893 		case ICE_SID_PROFID_TCAM_SW:
3894 		case ICE_SID_PROFID_TCAM_FD:
3895 		case ICE_SID_PROFID_TCAM_RSS:
3896 		case ICE_SID_PROFID_TCAM_ACL:
3897 		case ICE_SID_PROFID_TCAM_PE:
3898 			pid = (struct ice_prof_id_section *)sect;
3899 			src = (u8 *)pid->entry;
3900 			sect_len = LE16_TO_CPU(pid->count) *
3901 				sizeof(*hw->blk[block_id].prof.t);
3902 			dst = (u8 *)hw->blk[block_id].prof.t;
3903 			dst_len = hw->blk[block_id].prof.count *
3904 				sizeof(*hw->blk[block_id].prof.t);
3905 			break;
3906 		case ICE_SID_PROFID_REDIR_SW:
3907 		case ICE_SID_PROFID_REDIR_FD:
3908 		case ICE_SID_PROFID_REDIR_RSS:
3909 		case ICE_SID_PROFID_REDIR_ACL:
3910 		case ICE_SID_PROFID_REDIR_PE:
3911 			pr = (struct ice_prof_redir_section *)sect;
3912 			src = pr->redir_value;
3913 			sect_len = LE16_TO_CPU(pr->count) *
3914 				sizeof(*hw->blk[block_id].prof_redir.t);
3915 			dst = hw->blk[block_id].prof_redir.t;
3916 			dst_len = hw->blk[block_id].prof_redir.count *
3917 				sizeof(*hw->blk[block_id].prof_redir.t);
3918 			break;
3919 		case ICE_SID_FLD_VEC_SW:
3920 		case ICE_SID_FLD_VEC_FD:
3921 		case ICE_SID_FLD_VEC_RSS:
3922 		case ICE_SID_FLD_VEC_ACL:
3923 		case ICE_SID_FLD_VEC_PE:
3924 			es = (struct ice_sw_fv_section *)sect;
3925 			src = (u8 *)es->fv;
3926 			sect_len = (u32)(LE16_TO_CPU(es->count) *
3927 					 hw->blk[block_id].es.fvw) *
3928 				sizeof(*hw->blk[block_id].es.t);
3929 			dst = (u8 *)hw->blk[block_id].es.t;
3930 			dst_len = (u32)(hw->blk[block_id].es.count *
3931 					hw->blk[block_id].es.fvw) *
3932 				sizeof(*hw->blk[block_id].es.t);
3933 			break;
3934 		default:
3935 			return;
3936 		}
3937 
3938 		/* if the section offset exceeds destination length, terminate
3939 		 * table fill.
3940 		 */
3941 		if (offset > dst_len)
3942 			return;
3943 
3944 		/* if the sum of section size and offset exceed destination size
3945 		 * then we are out of bounds of the HW table size for that PF.
3946 		 * Changing section length to fill the remaining table space
3947 		 * of that PF.
3948 		 */
3949 		if ((offset + sect_len) > dst_len)
3950 			sect_len = dst_len - offset;
3951 
3952 		ice_memcpy(dst + offset, src, sect_len, ICE_NONDMA_TO_NONDMA);
3953 		offset += sect_len;
3954 		sect = ice_pkg_enum_section(NULL, &state, sid);
3955 	}
3956 }
3957 
3958 /**
3959  * ice_fill_blk_tbls - Read package context for tables
3960  * @hw: pointer to the hardware structure
3961  *
3962  * Reads the current package contents and populates the driver
3963  * database with the data iteratively for all advanced feature
3964  * blocks. Assume that the HW tables have been allocated.
3965  */
3966 void ice_fill_blk_tbls(struct ice_hw *hw)
3967 {
3968 	u8 i;
3969 
3970 	for (i = 0; i < ICE_BLK_COUNT; i++) {
3971 		enum ice_block blk_id = (enum ice_block)i;
3972 
3973 		ice_fill_tbl(hw, blk_id, hw->blk[blk_id].xlt1.sid);
3974 		ice_fill_tbl(hw, blk_id, hw->blk[blk_id].xlt2.sid);
3975 		ice_fill_tbl(hw, blk_id, hw->blk[blk_id].prof.sid);
3976 		ice_fill_tbl(hw, blk_id, hw->blk[blk_id].prof_redir.sid);
3977 		ice_fill_tbl(hw, blk_id, hw->blk[blk_id].es.sid);
3978 	}
3979 
3980 	ice_init_sw_db(hw);
3981 }
3982 
3983 /**
3984  * ice_free_prof_map - free profile map
3985  * @hw: pointer to the hardware structure
3986  * @blk_idx: HW block index
3987  */
3988 static void ice_free_prof_map(struct ice_hw *hw, u8 blk_idx)
3989 {
3990 	struct ice_es *es = &hw->blk[blk_idx].es;
3991 	struct ice_prof_map *del, *tmp;
3992 
3993 	ice_acquire_lock(&es->prof_map_lock);
3994 	LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &es->prof_map,
3995 				 ice_prof_map, list) {
3996 		LIST_DEL(&del->list);
3997 		ice_free(hw, del);
3998 	}
3999 	INIT_LIST_HEAD(&es->prof_map);
4000 	ice_release_lock(&es->prof_map_lock);
4001 }
4002 
4003 /**
4004  * ice_free_flow_profs - free flow profile entries
4005  * @hw: pointer to the hardware structure
4006  * @blk_idx: HW block index
4007  */
4008 static void ice_free_flow_profs(struct ice_hw *hw, u8 blk_idx)
4009 {
4010 	struct ice_flow_prof *p, *tmp;
4011 
4012 	ice_acquire_lock(&hw->fl_profs_locks[blk_idx]);
4013 	LIST_FOR_EACH_ENTRY_SAFE(p, tmp, &hw->fl_profs[blk_idx],
4014 				 ice_flow_prof, l_entry) {
4015 		struct ice_flow_entry *e, *t;
4016 
4017 		LIST_FOR_EACH_ENTRY_SAFE(e, t, &p->entries,
4018 					 ice_flow_entry, l_entry)
4019 			ice_flow_rem_entry(hw, (enum ice_block)blk_idx,
4020 					   ICE_FLOW_ENTRY_HNDL(e));
4021 
4022 		LIST_DEL(&p->l_entry);
4023 		if (p->acts)
4024 			ice_free(hw, p->acts);
4025 
4026 		ice_destroy_lock(&p->entries_lock);
4027 		ice_free(hw, p);
4028 	}
4029 	ice_release_lock(&hw->fl_profs_locks[blk_idx]);
4030 
4031 	/* if driver is in reset and tables are being cleared
4032 	 * re-initialize the flow profile list heads
4033 	 */
4034 	INIT_LIST_HEAD(&hw->fl_profs[blk_idx]);
4035 }
4036 
4037 /**
4038  * ice_free_vsig_tbl - free complete VSIG table entries
4039  * @hw: pointer to the hardware structure
4040  * @blk: the HW block on which to free the VSIG table entries
4041  */
4042 static void ice_free_vsig_tbl(struct ice_hw *hw, enum ice_block blk)
4043 {
4044 	u16 i;
4045 
4046 	if (!hw->blk[blk].xlt2.vsig_tbl)
4047 		return;
4048 
4049 	for (i = 1; i < ICE_MAX_VSIGS; i++)
4050 		if (hw->blk[blk].xlt2.vsig_tbl[i].in_use)
4051 			ice_vsig_free(hw, blk, i);
4052 }
4053 
4054 /**
4055  * ice_free_hw_tbls - free hardware table memory
4056  * @hw: pointer to the hardware structure
4057  */
4058 void ice_free_hw_tbls(struct ice_hw *hw)
4059 {
4060 	struct ice_rss_cfg *r, *rt;
4061 	u8 i;
4062 
4063 	for (i = 0; i < ICE_BLK_COUNT; i++) {
4064 		if (hw->blk[i].is_list_init) {
4065 			struct ice_es *es = &hw->blk[i].es;
4066 
4067 			ice_free_prof_map(hw, i);
4068 			ice_destroy_lock(&es->prof_map_lock);
4069 			ice_free_flow_profs(hw, i);
4070 			ice_destroy_lock(&hw->fl_profs_locks[i]);
4071 
4072 			hw->blk[i].is_list_init = false;
4073 		}
4074 		ice_free_vsig_tbl(hw, (enum ice_block)i);
4075 		ice_free(hw, hw->blk[i].xlt1.ptypes);
4076 		ice_free(hw, hw->blk[i].xlt1.ptg_tbl);
4077 		ice_free(hw, hw->blk[i].xlt1.t);
4078 		ice_free(hw, hw->blk[i].xlt2.t);
4079 		ice_free(hw, hw->blk[i].xlt2.vsig_tbl);
4080 		ice_free(hw, hw->blk[i].xlt2.vsis);
4081 		ice_free(hw, hw->blk[i].prof.t);
4082 		ice_free(hw, hw->blk[i].prof_redir.t);
4083 		ice_free(hw, hw->blk[i].es.t);
4084 		ice_free(hw, hw->blk[i].es.ref_count);
4085 		ice_free(hw, hw->blk[i].es.written);
4086 		ice_free(hw, hw->blk[i].es.mask_ena);
4087 	}
4088 
4089 	LIST_FOR_EACH_ENTRY_SAFE(r, rt, &hw->rss_list_head,
4090 				 ice_rss_cfg, l_entry) {
4091 		LIST_DEL(&r->l_entry);
4092 		ice_free(hw, r);
4093 	}
4094 	ice_destroy_lock(&hw->rss_locks);
4095 	if (!hw->dcf_enabled)
4096 		ice_shutdown_all_prof_masks(hw);
4097 	ice_memset(hw->blk, 0, sizeof(hw->blk), ICE_NONDMA_MEM);
4098 }
4099 
4100 /**
4101  * ice_init_flow_profs - init flow profile locks and list heads
4102  * @hw: pointer to the hardware structure
4103  * @blk_idx: HW block index
4104  */
4105 static void ice_init_flow_profs(struct ice_hw *hw, u8 blk_idx)
4106 {
4107 	ice_init_lock(&hw->fl_profs_locks[blk_idx]);
4108 	INIT_LIST_HEAD(&hw->fl_profs[blk_idx]);
4109 }
4110 
4111 /**
4112  * ice_clear_hw_tbls - clear HW tables and flow profiles
4113  * @hw: pointer to the hardware structure
4114  */
4115 void ice_clear_hw_tbls(struct ice_hw *hw)
4116 {
4117 	u8 i;
4118 
4119 	for (i = 0; i < ICE_BLK_COUNT; i++) {
4120 		struct ice_prof_redir *prof_redir = &hw->blk[i].prof_redir;
4121 		struct ice_prof_tcam *prof = &hw->blk[i].prof;
4122 		struct ice_xlt1 *xlt1 = &hw->blk[i].xlt1;
4123 		struct ice_xlt2 *xlt2 = &hw->blk[i].xlt2;
4124 		struct ice_es *es = &hw->blk[i].es;
4125 
4126 		if (hw->blk[i].is_list_init) {
4127 			ice_free_prof_map(hw, i);
4128 			ice_free_flow_profs(hw, i);
4129 		}
4130 
4131 		ice_free_vsig_tbl(hw, (enum ice_block)i);
4132 
4133 		ice_memset(xlt1->ptypes, 0, xlt1->count * sizeof(*xlt1->ptypes),
4134 			   ICE_NONDMA_MEM);
4135 		ice_memset(xlt1->ptg_tbl, 0,
4136 			   ICE_MAX_PTGS * sizeof(*xlt1->ptg_tbl),
4137 			   ICE_NONDMA_MEM);
4138 		ice_memset(xlt1->t, 0, xlt1->count * sizeof(*xlt1->t),
4139 			   ICE_NONDMA_MEM);
4140 
4141 		ice_memset(xlt2->vsis, 0, xlt2->count * sizeof(*xlt2->vsis),
4142 			   ICE_NONDMA_MEM);
4143 		ice_memset(xlt2->vsig_tbl, 0,
4144 			   xlt2->count * sizeof(*xlt2->vsig_tbl),
4145 			   ICE_NONDMA_MEM);
4146 		ice_memset(xlt2->t, 0, xlt2->count * sizeof(*xlt2->t),
4147 			   ICE_NONDMA_MEM);
4148 
4149 		ice_memset(prof->t, 0, prof->count * sizeof(*prof->t),
4150 			   ICE_NONDMA_MEM);
4151 		ice_memset(prof_redir->t, 0,
4152 			   prof_redir->count * sizeof(*prof_redir->t),
4153 			   ICE_NONDMA_MEM);
4154 
4155 		ice_memset(es->t, 0, es->count * sizeof(*es->t) * es->fvw,
4156 			   ICE_NONDMA_MEM);
4157 		ice_memset(es->ref_count, 0, es->count * sizeof(*es->ref_count),
4158 			   ICE_NONDMA_MEM);
4159 		ice_memset(es->written, 0, es->count * sizeof(*es->written),
4160 			   ICE_NONDMA_MEM);
4161 		ice_memset(es->mask_ena, 0, es->count * sizeof(*es->mask_ena),
4162 			   ICE_NONDMA_MEM);
4163 	}
4164 }
4165 
4166 /**
4167  * ice_init_hw_tbls - init hardware table memory
4168  * @hw: pointer to the hardware structure
4169  */
4170 enum ice_status ice_init_hw_tbls(struct ice_hw *hw)
4171 {
4172 	u8 i;
4173 
4174 	ice_init_lock(&hw->rss_locks);
4175 	INIT_LIST_HEAD(&hw->rss_list_head);
4176 	if (!hw->dcf_enabled)
4177 		ice_init_all_prof_masks(hw);
4178 	for (i = 0; i < ICE_BLK_COUNT; i++) {
4179 		struct ice_prof_redir *prof_redir = &hw->blk[i].prof_redir;
4180 		struct ice_prof_tcam *prof = &hw->blk[i].prof;
4181 		struct ice_xlt1 *xlt1 = &hw->blk[i].xlt1;
4182 		struct ice_xlt2 *xlt2 = &hw->blk[i].xlt2;
4183 		struct ice_es *es = &hw->blk[i].es;
4184 		u16 j;
4185 
4186 		if (hw->blk[i].is_list_init)
4187 			continue;
4188 
4189 		ice_init_flow_profs(hw, i);
4190 		ice_init_lock(&es->prof_map_lock);
4191 		INIT_LIST_HEAD(&es->prof_map);
4192 		hw->blk[i].is_list_init = true;
4193 
4194 		hw->blk[i].overwrite = blk_sizes[i].overwrite;
4195 		es->reverse = blk_sizes[i].reverse;
4196 
4197 		xlt1->sid = ice_blk_sids[i][ICE_SID_XLT1_OFF];
4198 		xlt1->count = blk_sizes[i].xlt1;
4199 
4200 		xlt1->ptypes = (struct ice_ptg_ptype *)
4201 			ice_calloc(hw, xlt1->count, sizeof(*xlt1->ptypes));
4202 
4203 		if (!xlt1->ptypes)
4204 			goto err;
4205 
4206 		xlt1->ptg_tbl = (struct ice_ptg_entry *)
4207 			ice_calloc(hw, ICE_MAX_PTGS, sizeof(*xlt1->ptg_tbl));
4208 
4209 		if (!xlt1->ptg_tbl)
4210 			goto err;
4211 
4212 		xlt1->t = (u8 *)ice_calloc(hw, xlt1->count, sizeof(*xlt1->t));
4213 		if (!xlt1->t)
4214 			goto err;
4215 
4216 		xlt2->sid = ice_blk_sids[i][ICE_SID_XLT2_OFF];
4217 		xlt2->count = blk_sizes[i].xlt2;
4218 
4219 		xlt2->vsis = (struct ice_vsig_vsi *)
4220 			ice_calloc(hw, xlt2->count, sizeof(*xlt2->vsis));
4221 
4222 		if (!xlt2->vsis)
4223 			goto err;
4224 
4225 		xlt2->vsig_tbl = (struct ice_vsig_entry *)
4226 			ice_calloc(hw, xlt2->count, sizeof(*xlt2->vsig_tbl));
4227 		if (!xlt2->vsig_tbl)
4228 			goto err;
4229 
4230 		for (j = 0; j < xlt2->count; j++)
4231 			INIT_LIST_HEAD(&xlt2->vsig_tbl[j].prop_lst);
4232 
4233 		xlt2->t = (u16 *)ice_calloc(hw, xlt2->count, sizeof(*xlt2->t));
4234 		if (!xlt2->t)
4235 			goto err;
4236 
4237 		prof->sid = ice_blk_sids[i][ICE_SID_PR_OFF];
4238 		prof->count = blk_sizes[i].prof_tcam;
4239 		prof->max_prof_id = blk_sizes[i].prof_id;
4240 		prof->cdid_bits = blk_sizes[i].prof_cdid_bits;
4241 		prof->t = (struct ice_prof_tcam_entry *)
4242 			ice_calloc(hw, prof->count, sizeof(*prof->t));
4243 
4244 		if (!prof->t)
4245 			goto err;
4246 
4247 		prof_redir->sid = ice_blk_sids[i][ICE_SID_PR_REDIR_OFF];
4248 		prof_redir->count = blk_sizes[i].prof_redir;
4249 		prof_redir->t = (u8 *)ice_calloc(hw, prof_redir->count,
4250 						 sizeof(*prof_redir->t));
4251 
4252 		if (!prof_redir->t)
4253 			goto err;
4254 
4255 		es->sid = ice_blk_sids[i][ICE_SID_ES_OFF];
4256 		es->count = blk_sizes[i].es;
4257 		es->fvw = blk_sizes[i].fvw;
4258 		es->t = (struct ice_fv_word *)
4259 			ice_calloc(hw, (u32)(es->count * es->fvw),
4260 				   sizeof(*es->t));
4261 		if (!es->t)
4262 			goto err;
4263 
4264 		es->ref_count = (u16 *)
4265 			ice_calloc(hw, es->count, sizeof(*es->ref_count));
4266 
4267 		if (!es->ref_count)
4268 			goto err;
4269 
4270 		es->written = (u8 *)
4271 			ice_calloc(hw, es->count, sizeof(*es->written));
4272 
4273 		if (!es->written)
4274 			goto err;
4275 
4276 		es->mask_ena = (u32 *)
4277 			ice_calloc(hw, es->count, sizeof(*es->mask_ena));
4278 
4279 		if (!es->mask_ena)
4280 			goto err;
4281 	}
4282 	return ICE_SUCCESS;
4283 
4284 err:
4285 	ice_free_hw_tbls(hw);
4286 	return ICE_ERR_NO_MEMORY;
4287 }
4288 
4289 /**
4290  * ice_prof_gen_key - generate profile ID key
4291  * @hw: pointer to the HW struct
4292  * @blk: the block in which to write profile ID to
4293  * @ptg: packet type group (PTG) portion of key
4294  * @vsig: VSIG portion of key
4295  * @cdid: CDID portion of key
4296  * @flags: flag portion of key
4297  * @vl_msk: valid mask
4298  * @dc_msk: don't care mask
4299  * @nm_msk: never match mask
4300  * @key: output of profile ID key
4301  */
4302 static enum ice_status
4303 ice_prof_gen_key(struct ice_hw *hw, enum ice_block blk, u8 ptg, u16 vsig,
4304 		 u8 cdid, u16 flags, u8 vl_msk[ICE_TCAM_KEY_VAL_SZ],
4305 		 u8 dc_msk[ICE_TCAM_KEY_VAL_SZ], u8 nm_msk[ICE_TCAM_KEY_VAL_SZ],
4306 		 u8 key[ICE_TCAM_KEY_SZ])
4307 {
4308 	struct ice_prof_id_key inkey;
4309 
4310 	inkey.xlt1 = ptg;
4311 	inkey.xlt2_cdid = CPU_TO_LE16(vsig);
4312 	inkey.flags = CPU_TO_LE16(flags);
4313 
4314 	switch (hw->blk[blk].prof.cdid_bits) {
4315 	case 0:
4316 		break;
4317 	case 2:
4318 #define ICE_CD_2_M 0xC000U
4319 #define ICE_CD_2_S 14
4320 		inkey.xlt2_cdid &= ~CPU_TO_LE16(ICE_CD_2_M);
4321 		inkey.xlt2_cdid |= CPU_TO_LE16(BIT(cdid) << ICE_CD_2_S);
4322 		break;
4323 	case 4:
4324 #define ICE_CD_4_M 0xF000U
4325 #define ICE_CD_4_S 12
4326 		inkey.xlt2_cdid &= ~CPU_TO_LE16(ICE_CD_4_M);
4327 		inkey.xlt2_cdid |= CPU_TO_LE16(BIT(cdid) << ICE_CD_4_S);
4328 		break;
4329 	case 8:
4330 #define ICE_CD_8_M 0xFF00U
4331 #define ICE_CD_8_S 16
4332 		inkey.xlt2_cdid &= ~CPU_TO_LE16(ICE_CD_8_M);
4333 		inkey.xlt2_cdid |= CPU_TO_LE16(BIT(cdid) << ICE_CD_8_S);
4334 		break;
4335 	default:
4336 		ice_debug(hw, ICE_DBG_PKG, "Error in profile config\n");
4337 		break;
4338 	}
4339 
4340 	return ice_set_key(key, ICE_TCAM_KEY_SZ, (u8 *)&inkey, vl_msk, dc_msk,
4341 			   nm_msk, 0, ICE_TCAM_KEY_SZ / 2);
4342 }
4343 
4344 /**
4345  * ice_tcam_write_entry - write TCAM entry
4346  * @hw: pointer to the HW struct
4347  * @blk: the block in which to write profile ID to
4348  * @idx: the entry index to write to
4349  * @prof_id: profile ID
4350  * @ptg: packet type group (PTG) portion of key
4351  * @vsig: VSIG portion of key
4352  * @cdid: CDID portion of key
4353  * @flags: flag portion of key
4354  * @vl_msk: valid mask
4355  * @dc_msk: don't care mask
4356  * @nm_msk: never match mask
4357  */
4358 static enum ice_status
4359 ice_tcam_write_entry(struct ice_hw *hw, enum ice_block blk, u16 idx,
4360 		     u8 prof_id, u8 ptg, u16 vsig, u8 cdid, u16 flags,
4361 		     u8 vl_msk[ICE_TCAM_KEY_VAL_SZ],
4362 		     u8 dc_msk[ICE_TCAM_KEY_VAL_SZ],
4363 		     u8 nm_msk[ICE_TCAM_KEY_VAL_SZ])
4364 {
4365 	struct ice_prof_tcam_entry;
4366 	enum ice_status status;
4367 
4368 	status = ice_prof_gen_key(hw, blk, ptg, vsig, cdid, flags, vl_msk,
4369 				  dc_msk, nm_msk, hw->blk[blk].prof.t[idx].key);
4370 	if (!status) {
4371 		hw->blk[blk].prof.t[idx].addr = CPU_TO_LE16(idx);
4372 		hw->blk[blk].prof.t[idx].prof_id = prof_id;
4373 	}
4374 
4375 	return status;
4376 }
4377 
4378 /**
4379  * ice_vsig_get_ref - returns number of VSIs belong to a VSIG
4380  * @hw: pointer to the hardware structure
4381  * @blk: HW block
4382  * @vsig: VSIG to query
4383  * @refs: pointer to variable to receive the reference count
4384  */
4385 static enum ice_status
4386 ice_vsig_get_ref(struct ice_hw *hw, enum ice_block blk, u16 vsig, u16 *refs)
4387 {
4388 	u16 idx = vsig & ICE_VSIG_IDX_M;
4389 	struct ice_vsig_vsi *ptr;
4390 
4391 	*refs = 0;
4392 
4393 	if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use)
4394 		return ICE_ERR_DOES_NOT_EXIST;
4395 
4396 	ptr = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
4397 	while (ptr) {
4398 		(*refs)++;
4399 		ptr = ptr->next_vsi;
4400 	}
4401 
4402 	return ICE_SUCCESS;
4403 }
4404 
4405 /**
4406  * ice_has_prof_vsig - check to see if VSIG has a specific profile
4407  * @hw: pointer to the hardware structure
4408  * @blk: HW block
4409  * @vsig: VSIG to check against
4410  * @hdl: profile handle
4411  */
4412 static bool
4413 ice_has_prof_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl)
4414 {
4415 	u16 idx = vsig & ICE_VSIG_IDX_M;
4416 	struct ice_vsig_prof *ent;
4417 
4418 	LIST_FOR_EACH_ENTRY(ent, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
4419 			    ice_vsig_prof, list)
4420 		if (ent->profile_cookie == hdl)
4421 			return true;
4422 
4423 	ice_debug(hw, ICE_DBG_INIT, "Characteristic list for VSI group %d not found.\n",
4424 		  vsig);
4425 	return false;
4426 }
4427 
4428 /**
4429  * ice_prof_bld_es - build profile ID extraction sequence changes
4430  * @hw: pointer to the HW struct
4431  * @blk: hardware block
4432  * @bld: the update package buffer build to add to
4433  * @chgs: the list of changes to make in hardware
4434  */
4435 static enum ice_status
4436 ice_prof_bld_es(struct ice_hw *hw, enum ice_block blk,
4437 		struct ice_buf_build *bld, struct LIST_HEAD_TYPE *chgs)
4438 {
4439 	u16 vec_size = hw->blk[blk].es.fvw * sizeof(struct ice_fv_word);
4440 	struct ice_chs_chg *tmp;
4441 
4442 	LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry)
4443 		if (tmp->type == ICE_PTG_ES_ADD && tmp->add_prof) {
4444 			u16 off = tmp->prof_id * hw->blk[blk].es.fvw;
4445 			struct ice_pkg_es *p;
4446 			u32 id;
4447 
4448 			id = ice_sect_id(blk, ICE_VEC_TBL);
4449 			p = (struct ice_pkg_es *)
4450 				ice_pkg_buf_alloc_section(bld, id,
4451 							  ice_struct_size(p, es,
4452 									  1) +
4453 							  vec_size -
4454 							  sizeof(p->es[0]));
4455 
4456 			if (!p)
4457 				return ICE_ERR_MAX_LIMIT;
4458 
4459 			p->count = CPU_TO_LE16(1);
4460 			p->offset = CPU_TO_LE16(tmp->prof_id);
4461 
4462 			ice_memcpy(p->es, &hw->blk[blk].es.t[off], vec_size,
4463 				   ICE_NONDMA_TO_NONDMA);
4464 		}
4465 
4466 	return ICE_SUCCESS;
4467 }
4468 
4469 /**
4470  * ice_prof_bld_tcam - build profile ID TCAM changes
4471  * @hw: pointer to the HW struct
4472  * @blk: hardware block
4473  * @bld: the update package buffer build to add to
4474  * @chgs: the list of changes to make in hardware
4475  */
4476 static enum ice_status
4477 ice_prof_bld_tcam(struct ice_hw *hw, enum ice_block blk,
4478 		  struct ice_buf_build *bld, struct LIST_HEAD_TYPE *chgs)
4479 {
4480 	struct ice_chs_chg *tmp;
4481 
4482 	LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry)
4483 		if (tmp->type == ICE_TCAM_ADD && tmp->add_tcam_idx) {
4484 			struct ice_prof_id_section *p;
4485 			u32 id;
4486 
4487 			id = ice_sect_id(blk, ICE_PROF_TCAM);
4488 			p = (struct ice_prof_id_section *)
4489 				ice_pkg_buf_alloc_section(bld, id,
4490 							  ice_struct_size(p,
4491 									  entry,
4492 									  1));
4493 
4494 			if (!p)
4495 				return ICE_ERR_MAX_LIMIT;
4496 
4497 			p->count = CPU_TO_LE16(1);
4498 			p->entry[0].addr = CPU_TO_LE16(tmp->tcam_idx);
4499 			p->entry[0].prof_id = tmp->prof_id;
4500 
4501 			ice_memcpy(p->entry[0].key,
4502 				   &hw->blk[blk].prof.t[tmp->tcam_idx].key,
4503 				   sizeof(hw->blk[blk].prof.t->key),
4504 				   ICE_NONDMA_TO_NONDMA);
4505 		}
4506 
4507 	return ICE_SUCCESS;
4508 }
4509 
4510 /**
4511  * ice_prof_bld_xlt1 - build XLT1 changes
4512  * @blk: hardware block
4513  * @bld: the update package buffer build to add to
4514  * @chgs: the list of changes to make in hardware
4515  */
4516 static enum ice_status
4517 ice_prof_bld_xlt1(enum ice_block blk, struct ice_buf_build *bld,
4518 		  struct LIST_HEAD_TYPE *chgs)
4519 {
4520 	struct ice_chs_chg *tmp;
4521 
4522 	LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry)
4523 		if (tmp->type == ICE_PTG_ES_ADD && tmp->add_ptg) {
4524 			struct ice_xlt1_section *p;
4525 			u32 id;
4526 
4527 			id = ice_sect_id(blk, ICE_XLT1);
4528 			p = (struct ice_xlt1_section *)
4529 				ice_pkg_buf_alloc_section(bld, id,
4530 							  ice_struct_size(p,
4531 									  value,
4532 									  1));
4533 
4534 			if (!p)
4535 				return ICE_ERR_MAX_LIMIT;
4536 
4537 			p->count = CPU_TO_LE16(1);
4538 			p->offset = CPU_TO_LE16(tmp->ptype);
4539 			p->value[0] = tmp->ptg;
4540 		}
4541 
4542 	return ICE_SUCCESS;
4543 }
4544 
4545 /**
4546  * ice_prof_bld_xlt2 - build XLT2 changes
4547  * @blk: hardware block
4548  * @bld: the update package buffer build to add to
4549  * @chgs: the list of changes to make in hardware
4550  */
4551 static enum ice_status
4552 ice_prof_bld_xlt2(enum ice_block blk, struct ice_buf_build *bld,
4553 		  struct LIST_HEAD_TYPE *chgs)
4554 {
4555 	struct ice_chs_chg *tmp;
4556 
4557 	LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry) {
4558 		struct ice_xlt2_section *p;
4559 		u32 id;
4560 
4561 		switch (tmp->type) {
4562 		case ICE_VSIG_ADD:
4563 		case ICE_VSI_MOVE:
4564 		case ICE_VSIG_REM:
4565 			id = ice_sect_id(blk, ICE_XLT2);
4566 			p = (struct ice_xlt2_section *)
4567 				ice_pkg_buf_alloc_section(bld, id,
4568 							  ice_struct_size(p,
4569 									  value,
4570 									  1));
4571 
4572 			if (!p)
4573 				return ICE_ERR_MAX_LIMIT;
4574 
4575 			p->count = CPU_TO_LE16(1);
4576 			p->offset = CPU_TO_LE16(tmp->vsi);
4577 			p->value[0] = CPU_TO_LE16(tmp->vsig);
4578 			break;
4579 		default:
4580 			break;
4581 		}
4582 	}
4583 
4584 	return ICE_SUCCESS;
4585 }
4586 
4587 /**
4588  * ice_upd_prof_hw - update hardware using the change list
4589  * @hw: pointer to the HW struct
4590  * @blk: hardware block
4591  * @chgs: the list of changes to make in hardware
4592  */
4593 static enum ice_status
4594 ice_upd_prof_hw(struct ice_hw *hw, enum ice_block blk,
4595 		struct LIST_HEAD_TYPE *chgs)
4596 {
4597 	struct ice_buf_build *b;
4598 	struct ice_chs_chg *tmp;
4599 	enum ice_status status;
4600 	u16 pkg_sects;
4601 	u16 xlt1 = 0;
4602 	u16 xlt2 = 0;
4603 	u16 tcam = 0;
4604 	u16 es = 0;
4605 	u16 sects;
4606 
4607 	/* count number of sections we need */
4608 	LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry) {
4609 		switch (tmp->type) {
4610 		case ICE_PTG_ES_ADD:
4611 			if (tmp->add_ptg)
4612 				xlt1++;
4613 			if (tmp->add_prof)
4614 				es++;
4615 			break;
4616 		case ICE_TCAM_ADD:
4617 			tcam++;
4618 			break;
4619 		case ICE_VSIG_ADD:
4620 		case ICE_VSI_MOVE:
4621 		case ICE_VSIG_REM:
4622 			xlt2++;
4623 			break;
4624 		default:
4625 			break;
4626 		}
4627 	}
4628 	sects = xlt1 + xlt2 + tcam + es;
4629 
4630 	if (!sects)
4631 		return ICE_SUCCESS;
4632 
4633 	/* Build update package buffer */
4634 	b = ice_pkg_buf_alloc(hw);
4635 	if (!b)
4636 		return ICE_ERR_NO_MEMORY;
4637 
4638 	status = ice_pkg_buf_reserve_section(b, sects);
4639 	if (status)
4640 		goto error_tmp;
4641 
4642 	/* Preserve order of table update: ES, TCAM, PTG, VSIG */
4643 	if (es) {
4644 		status = ice_prof_bld_es(hw, blk, b, chgs);
4645 		if (status)
4646 			goto error_tmp;
4647 	}
4648 
4649 	if (tcam) {
4650 		status = ice_prof_bld_tcam(hw, blk, b, chgs);
4651 		if (status)
4652 			goto error_tmp;
4653 	}
4654 
4655 	if (xlt1) {
4656 		status = ice_prof_bld_xlt1(blk, b, chgs);
4657 		if (status)
4658 			goto error_tmp;
4659 	}
4660 
4661 	if (xlt2) {
4662 		status = ice_prof_bld_xlt2(blk, b, chgs);
4663 		if (status)
4664 			goto error_tmp;
4665 	}
4666 
4667 	/* After package buffer build check if the section count in buffer is
4668 	 * non-zero and matches the number of sections detected for package
4669 	 * update.
4670 	 */
4671 	pkg_sects = ice_pkg_buf_get_active_sections(b);
4672 	if (!pkg_sects || pkg_sects != sects) {
4673 		status = ICE_ERR_INVAL_SIZE;
4674 		goto error_tmp;
4675 	}
4676 
4677 	/* update package */
4678 	status = ice_update_pkg(hw, ice_pkg_buf(b), 1);
4679 	if (status == ICE_ERR_AQ_ERROR)
4680 		ice_debug(hw, ICE_DBG_INIT, "Unable to update HW profile\n");
4681 
4682 error_tmp:
4683 	ice_pkg_buf_free(hw, b);
4684 	return status;
4685 }
4686 
4687 /**
4688  * ice_update_fd_mask - set Flow Director Field Vector mask for a profile
4689  * @hw: pointer to the HW struct
4690  * @prof_id: profile ID
4691  * @mask_sel: mask select
4692  *
4693  * This function enable any of the masks selected by the mask select parameter
4694  * for the profile specified.
4695  */
4696 static void ice_update_fd_mask(struct ice_hw *hw, u16 prof_id, u32 mask_sel)
4697 {
4698 	wr32(hw, GLQF_FDMASK_SEL(prof_id), mask_sel);
4699 
4700 	ice_debug(hw, ICE_DBG_INIT, "fd mask(%d): %x = %x\n", prof_id,
4701 		  GLQF_FDMASK_SEL(prof_id), mask_sel);
4702 }
4703 
4704 struct ice_fd_src_dst_pair {
4705 	u8 prot_id;
4706 	u8 count;
4707 	u16 off;
4708 };
4709 
4710 static const struct ice_fd_src_dst_pair ice_fd_pairs[] = {
4711 	/* These are defined in pairs */
4712 	{ ICE_PROT_IPV4_OF_OR_S, 2, 12 },
4713 	{ ICE_PROT_IPV4_OF_OR_S, 2, 16 },
4714 
4715 	{ ICE_PROT_IPV4_IL, 2, 12 },
4716 	{ ICE_PROT_IPV4_IL, 2, 16 },
4717 
4718 	{ ICE_PROT_IPV6_OF_OR_S, 8, 8 },
4719 	{ ICE_PROT_IPV6_OF_OR_S, 8, 24 },
4720 
4721 	{ ICE_PROT_IPV6_IL, 8, 8 },
4722 	{ ICE_PROT_IPV6_IL, 8, 24 },
4723 
4724 	{ ICE_PROT_TCP_IL, 1, 0 },
4725 	{ ICE_PROT_TCP_IL, 1, 2 },
4726 
4727 	{ ICE_PROT_UDP_OF, 1, 0 },
4728 	{ ICE_PROT_UDP_OF, 1, 2 },
4729 
4730 	{ ICE_PROT_UDP_IL_OR_S, 1, 0 },
4731 	{ ICE_PROT_UDP_IL_OR_S, 1, 2 },
4732 
4733 	{ ICE_PROT_SCTP_IL, 1, 0 },
4734 	{ ICE_PROT_SCTP_IL, 1, 2 }
4735 };
4736 
4737 #define ICE_FD_SRC_DST_PAIR_COUNT	ARRAY_SIZE(ice_fd_pairs)
4738 
4739 /**
4740  * ice_update_fd_swap - set register appropriately for a FD FV extraction
4741  * @hw: pointer to the HW struct
4742  * @prof_id: profile ID
4743  * @es: extraction sequence (length of array is determined by the block)
4744  */
4745 static enum ice_status
4746 ice_update_fd_swap(struct ice_hw *hw, u16 prof_id, struct ice_fv_word *es)
4747 {
4748 	ice_declare_bitmap(pair_list, ICE_FD_SRC_DST_PAIR_COUNT);
4749 	u8 pair_start[ICE_FD_SRC_DST_PAIR_COUNT] = { 0 };
4750 #define ICE_FD_FV_NOT_FOUND (-2)
4751 	s8 first_free = ICE_FD_FV_NOT_FOUND;
4752 	u8 used[ICE_MAX_FV_WORDS] = { 0 };
4753 	s8 orig_free, si;
4754 	u32 mask_sel = 0;
4755 	u8 i, j, k;
4756 
4757 	ice_zero_bitmap(pair_list, ICE_FD_SRC_DST_PAIR_COUNT);
4758 
4759 	/* This code assumes that the Flow Director field vectors are assigned
4760 	 * from the end of the FV indexes working towards the zero index, that
4761 	 * only complete fields will be included and will be consecutive, and
4762 	 * that there are no gaps between valid indexes.
4763 	 */
4764 
4765 	/* Determine swap fields present */
4766 	for (i = 0; i < hw->blk[ICE_BLK_FD].es.fvw; i++) {
4767 		/* Find the first free entry, assuming right to left population.
4768 		 * This is where we can start adding additional pairs if needed.
4769 		 */
4770 		if (first_free == ICE_FD_FV_NOT_FOUND && es[i].prot_id !=
4771 		    ICE_PROT_INVALID)
4772 			first_free = i - 1;
4773 
4774 		for (j = 0; j < ICE_FD_SRC_DST_PAIR_COUNT; j++)
4775 			if (es[i].prot_id == ice_fd_pairs[j].prot_id &&
4776 			    es[i].off == ice_fd_pairs[j].off) {
4777 				ice_set_bit(j, pair_list);
4778 				pair_start[j] = i;
4779 			}
4780 	}
4781 
4782 	orig_free = first_free;
4783 
4784 	/* determine missing swap fields that need to be added */
4785 	for (i = 0; i < ICE_FD_SRC_DST_PAIR_COUNT; i += 2) {
4786 		u8 bit1 = ice_is_bit_set(pair_list, i + 1);
4787 		u8 bit0 = ice_is_bit_set(pair_list, i);
4788 
4789 		if (bit0 ^ bit1) {
4790 			u8 index;
4791 
4792 			/* add the appropriate 'paired' entry */
4793 			if (!bit0)
4794 				index = i;
4795 			else
4796 				index = i + 1;
4797 
4798 			/* check for room */
4799 			if (first_free + 1 < (s8)ice_fd_pairs[index].count)
4800 				return ICE_ERR_MAX_LIMIT;
4801 
4802 			/* place in extraction sequence */
4803 			for (k = 0; k < ice_fd_pairs[index].count; k++) {
4804 				es[first_free - k].prot_id =
4805 					ice_fd_pairs[index].prot_id;
4806 				es[first_free - k].off =
4807 					ice_fd_pairs[index].off + (k * 2);
4808 
4809 				if (k > first_free)
4810 					return ICE_ERR_OUT_OF_RANGE;
4811 
4812 				/* keep track of non-relevant fields */
4813 				mask_sel |= BIT(first_free - k);
4814 			}
4815 
4816 			pair_start[index] = first_free;
4817 			first_free -= ice_fd_pairs[index].count;
4818 		}
4819 	}
4820 
4821 	/* fill in the swap array */
4822 	si = hw->blk[ICE_BLK_FD].es.fvw - 1;
4823 	while (si >= 0) {
4824 		u8 indexes_used = 1;
4825 
4826 		/* assume flat at this index */
4827 #define ICE_SWAP_VALID	0x80
4828 		used[si] = si | ICE_SWAP_VALID;
4829 
4830 		if (orig_free == ICE_FD_FV_NOT_FOUND || si <= orig_free) {
4831 			si -= indexes_used;
4832 			continue;
4833 		}
4834 
4835 		/* check for a swap location */
4836 		for (j = 0; j < ICE_FD_SRC_DST_PAIR_COUNT; j++)
4837 			if (es[si].prot_id == ice_fd_pairs[j].prot_id &&
4838 			    es[si].off == ice_fd_pairs[j].off) {
4839 				u8 idx;
4840 
4841 				/* determine the appropriate matching field */
4842 				idx = j + ((j % 2) ? -1 : 1);
4843 
4844 				indexes_used = ice_fd_pairs[idx].count;
4845 				for (k = 0; k < indexes_used; k++) {
4846 					used[si - k] = (pair_start[idx] - k) |
4847 						ICE_SWAP_VALID;
4848 				}
4849 
4850 				break;
4851 			}
4852 
4853 		si -= indexes_used;
4854 	}
4855 
4856 	/* for each set of 4 swap and 4 inset indexes, write the appropriate
4857 	 * register
4858 	 */
4859 	for (j = 0; j < hw->blk[ICE_BLK_FD].es.fvw / 4; j++) {
4860 		u32 raw_swap = 0;
4861 		u32 raw_in = 0;
4862 
4863 		for (k = 0; k < 4; k++) {
4864 			u8 idx;
4865 
4866 			idx = (j * 4) + k;
4867 			if (used[idx] && !(mask_sel & BIT(idx))) {
4868 				raw_swap |= used[idx] << (k * BITS_PER_BYTE);
4869 #define ICE_INSET_DFLT 0x9f
4870 				raw_in |= ICE_INSET_DFLT << (k * BITS_PER_BYTE);
4871 			}
4872 		}
4873 
4874 		/* write the appropriate swap register set */
4875 		wr32(hw, GLQF_FDSWAP(prof_id, j), raw_swap);
4876 
4877 		ice_debug(hw, ICE_DBG_INIT, "swap wr(%d, %d): %x = %08x\n",
4878 			  prof_id, j, GLQF_FDSWAP(prof_id, j), raw_swap);
4879 
4880 		/* write the appropriate inset register set */
4881 		wr32(hw, GLQF_FDINSET(prof_id, j), raw_in);
4882 
4883 		ice_debug(hw, ICE_DBG_INIT, "inset wr(%d, %d): %x = %08x\n",
4884 			  prof_id, j, GLQF_FDINSET(prof_id, j), raw_in);
4885 	}
4886 
4887 	/* initially clear the mask select for this profile */
4888 	ice_update_fd_mask(hw, prof_id, 0);
4889 
4890 	return ICE_SUCCESS;
4891 }
4892 
4893 /* The entries here needs to match the order of enum ice_ptype_attrib */
4894 static const struct ice_ptype_attrib_info ice_ptype_attributes[] = {
4895 	{ ICE_GTP_PDU_EH,	ICE_GTP_PDU_FLAG_MASK },
4896 	{ ICE_GTP_SESSION,	ICE_GTP_FLAGS_MASK },
4897 	{ ICE_GTP_DOWNLINK,	ICE_GTP_FLAGS_MASK },
4898 	{ ICE_GTP_UPLINK,	ICE_GTP_FLAGS_MASK },
4899 };
4900 
4901 /**
4902  * ice_get_ptype_attrib_info - get ptype attribute information
4903  * @type: attribute type
4904  * @info: pointer to variable to the attribute information
4905  */
4906 static void
4907 ice_get_ptype_attrib_info(enum ice_ptype_attrib_type type,
4908 			  struct ice_ptype_attrib_info *info)
4909 {
4910 	*info = ice_ptype_attributes[type];
4911 }
4912 
4913 /**
4914  * ice_add_prof_attrib - add any PTG with attributes to profile
4915  * @prof: pointer to the profile to which PTG entries will be added
4916  * @ptg: PTG to be added
4917  * @ptype: PTYPE that needs to be looked up
4918  * @attr: array of attributes that will be considered
4919  * @attr_cnt: number of elements in the attribute array
4920  */
4921 static enum ice_status
4922 ice_add_prof_attrib(struct ice_prof_map *prof, u8 ptg, u16 ptype,
4923 		    const struct ice_ptype_attributes *attr, u16 attr_cnt)
4924 {
4925 	bool found = false;
4926 	u16 i;
4927 
4928 	for (i = 0; i < attr_cnt; i++) {
4929 		if (attr[i].ptype == ptype) {
4930 			found = true;
4931 
4932 			prof->ptg[prof->ptg_cnt] = ptg;
4933 			ice_get_ptype_attrib_info(attr[i].attrib,
4934 						  &prof->attr[prof->ptg_cnt]);
4935 
4936 			if (++prof->ptg_cnt >= ICE_MAX_PTG_PER_PROFILE)
4937 				return ICE_ERR_MAX_LIMIT;
4938 		}
4939 	}
4940 
4941 	if (!found)
4942 		return ICE_ERR_DOES_NOT_EXIST;
4943 
4944 	return ICE_SUCCESS;
4945 }
4946 
4947 /**
4948  * ice_add_prof - add profile
4949  * @hw: pointer to the HW struct
4950  * @blk: hardware block
4951  * @id: profile tracking ID
4952  * @ptypes: array of bitmaps indicating ptypes (ICE_FLOW_PTYPE_MAX bits)
4953  * @attr: array of attributes
4954  * @attr_cnt: number of elements in attrib array
4955  * @es: extraction sequence (length of array is determined by the block)
4956  * @masks: mask for extraction sequence
4957  *
4958  * This function registers a profile, which matches a set of PTYPES with a
4959  * particular extraction sequence. While the hardware profile is allocated
4960  * it will not be written until the first call to ice_add_flow that specifies
4961  * the ID value used here.
4962  */
4963 enum ice_status
4964 ice_add_prof(struct ice_hw *hw, enum ice_block blk, u64 id, u8 ptypes[],
4965 	     const struct ice_ptype_attributes *attr, u16 attr_cnt,
4966 	     struct ice_fv_word *es, u16 *masks)
4967 {
4968 	u32 bytes = DIVIDE_AND_ROUND_UP(ICE_FLOW_PTYPE_MAX, BITS_PER_BYTE);
4969 	ice_declare_bitmap(ptgs_used, ICE_XLT1_CNT);
4970 	struct ice_prof_map *prof;
4971 	enum ice_status status;
4972 	u8 byte = 0;
4973 	u8 prof_id;
4974 
4975 	ice_zero_bitmap(ptgs_used, ICE_XLT1_CNT);
4976 
4977 	ice_acquire_lock(&hw->blk[blk].es.prof_map_lock);
4978 
4979 	/* search for existing profile */
4980 	status = ice_find_prof_id_with_mask(hw, blk, es, masks, &prof_id);
4981 	if (status) {
4982 		/* allocate profile ID */
4983 		status = ice_alloc_prof_id(hw, blk, &prof_id);
4984 		if (status)
4985 			goto err_ice_add_prof;
4986 		if (blk == ICE_BLK_FD) {
4987 			/* For Flow Director block, the extraction sequence may
4988 			 * need to be altered in the case where there are paired
4989 			 * fields that have no match. This is necessary because
4990 			 * for Flow Director, src and dest fields need to paired
4991 			 * for filter programming and these values are swapped
4992 			 * during Tx.
4993 			 */
4994 			status = ice_update_fd_swap(hw, prof_id, es);
4995 			if (status)
4996 				goto err_ice_add_prof;
4997 		}
4998 		status = ice_update_prof_masking(hw, blk, prof_id, masks);
4999 		if (status)
5000 			goto err_ice_add_prof;
5001 
5002 		/* and write new es */
5003 		ice_write_es(hw, blk, prof_id, es);
5004 	}
5005 
5006 	ice_prof_inc_ref(hw, blk, prof_id);
5007 
5008 	/* add profile info */
5009 
5010 	prof = (struct ice_prof_map *)ice_malloc(hw, sizeof(*prof));
5011 	if (!prof)
5012 		goto err_ice_add_prof;
5013 
5014 	prof->profile_cookie = id;
5015 	prof->prof_id = prof_id;
5016 	prof->ptg_cnt = 0;
5017 	prof->context = 0;
5018 
5019 	/* build list of ptgs */
5020 	while (bytes && prof->ptg_cnt < ICE_MAX_PTG_PER_PROFILE) {
5021 		u8 bit;
5022 
5023 		if (!ptypes[byte]) {
5024 			bytes--;
5025 			byte++;
5026 			continue;
5027 		}
5028 
5029 		/* Examine 8 bits per byte */
5030 		ice_for_each_set_bit(bit, (ice_bitmap_t *)&ptypes[byte],
5031 				     BITS_PER_BYTE) {
5032 			u16 ptype;
5033 			u8 ptg;
5034 
5035 			ptype = byte * BITS_PER_BYTE + bit;
5036 
5037 			/* The package should place all ptypes in a non-zero
5038 			 * PTG, so the following call should never fail.
5039 			 */
5040 			if (ice_ptg_find_ptype(hw, blk, ptype, &ptg))
5041 				continue;
5042 
5043 			/* If PTG is already added, skip and continue */
5044 			if (ice_is_bit_set(ptgs_used, ptg))
5045 				continue;
5046 
5047 			ice_set_bit(ptg, ptgs_used);
5048 			/* Check to see there are any attributes for this
5049 			 * ptype, and add them if found.
5050 			 */
5051 			status = ice_add_prof_attrib(prof, ptg, ptype, attr,
5052 						     attr_cnt);
5053 			if (status == ICE_ERR_MAX_LIMIT)
5054 				break;
5055 			if (status) {
5056 				/* This is simple a ptype/PTG with no
5057 				 * attribute
5058 				 */
5059 				prof->ptg[prof->ptg_cnt] = ptg;
5060 				prof->attr[prof->ptg_cnt].flags = 0;
5061 				prof->attr[prof->ptg_cnt].mask = 0;
5062 
5063 				if (++prof->ptg_cnt >= ICE_MAX_PTG_PER_PROFILE)
5064 					break;
5065 			}
5066 		}
5067 
5068 		bytes--;
5069 		byte++;
5070 	}
5071 
5072 	LIST_ADD(&prof->list, &hw->blk[blk].es.prof_map);
5073 	status = ICE_SUCCESS;
5074 
5075 err_ice_add_prof:
5076 	ice_release_lock(&hw->blk[blk].es.prof_map_lock);
5077 	return status;
5078 }
5079 
5080 /**
5081  * ice_search_prof_id - Search for a profile tracking ID
5082  * @hw: pointer to the HW struct
5083  * @blk: hardware block
5084  * @id: profile tracking ID
5085  *
5086  * This will search for a profile tracking ID which was previously added.
5087  * The profile map lock should be held before calling this function.
5088  */
5089 struct ice_prof_map *
5090 ice_search_prof_id(struct ice_hw *hw, enum ice_block blk, u64 id)
5091 {
5092 	struct ice_prof_map *entry = NULL;
5093 	struct ice_prof_map *map;
5094 
5095 	LIST_FOR_EACH_ENTRY(map, &hw->blk[blk].es.prof_map, ice_prof_map, list)
5096 		if (map->profile_cookie == id) {
5097 			entry = map;
5098 			break;
5099 		}
5100 
5101 	return entry;
5102 }
5103 
5104 /**
5105  * ice_vsig_prof_id_count - count profiles in a VSIG
5106  * @hw: pointer to the HW struct
5107  * @blk: hardware block
5108  * @vsig: VSIG to remove the profile from
5109  */
5110 static u16
5111 ice_vsig_prof_id_count(struct ice_hw *hw, enum ice_block blk, u16 vsig)
5112 {
5113 	u16 idx = vsig & ICE_VSIG_IDX_M, count = 0;
5114 	struct ice_vsig_prof *p;
5115 
5116 	LIST_FOR_EACH_ENTRY(p, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
5117 			    ice_vsig_prof, list)
5118 		count++;
5119 
5120 	return count;
5121 }
5122 
5123 /**
5124  * ice_rel_tcam_idx - release a TCAM index
5125  * @hw: pointer to the HW struct
5126  * @blk: hardware block
5127  * @idx: the index to release
5128  */
5129 static enum ice_status
5130 ice_rel_tcam_idx(struct ice_hw *hw, enum ice_block blk, u16 idx)
5131 {
5132 	/* Masks to invoke a never match entry */
5133 	u8 vl_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5134 	u8 dc_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFE, 0xFF, 0xFF, 0xFF, 0xFF };
5135 	u8 nm_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x01, 0x00, 0x00, 0x00, 0x00 };
5136 	enum ice_status status;
5137 
5138 	/* write the TCAM entry */
5139 	status = ice_tcam_write_entry(hw, blk, idx, 0, 0, 0, 0, 0, vl_msk,
5140 				      dc_msk, nm_msk);
5141 	if (status)
5142 		return status;
5143 
5144 	/* release the TCAM entry */
5145 	status = ice_free_tcam_ent(hw, blk, idx);
5146 
5147 	return status;
5148 }
5149 
5150 /**
5151  * ice_rem_prof_id - remove one profile from a VSIG
5152  * @hw: pointer to the HW struct
5153  * @blk: hardware block
5154  * @prof: pointer to profile structure to remove
5155  */
5156 static enum ice_status
5157 ice_rem_prof_id(struct ice_hw *hw, enum ice_block blk,
5158 		struct ice_vsig_prof *prof)
5159 {
5160 	enum ice_status status;
5161 	u16 i;
5162 
5163 	for (i = 0; i < prof->tcam_count; i++)
5164 		if (prof->tcam[i].in_use) {
5165 			prof->tcam[i].in_use = false;
5166 			status = ice_rel_tcam_idx(hw, blk,
5167 						  prof->tcam[i].tcam_idx);
5168 			if (status)
5169 				return ICE_ERR_HW_TABLE;
5170 		}
5171 
5172 	return ICE_SUCCESS;
5173 }
5174 
5175 /**
5176  * ice_rem_vsig - remove VSIG
5177  * @hw: pointer to the HW struct
5178  * @blk: hardware block
5179  * @vsig: the VSIG to remove
5180  * @chg: the change list
5181  */
5182 static enum ice_status
5183 ice_rem_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig,
5184 	     struct LIST_HEAD_TYPE *chg)
5185 {
5186 	u16 idx = vsig & ICE_VSIG_IDX_M;
5187 	struct ice_vsig_vsi *vsi_cur;
5188 	struct ice_vsig_prof *d, *t;
5189 	enum ice_status status;
5190 
5191 	/* remove TCAM entries */
5192 	LIST_FOR_EACH_ENTRY_SAFE(d, t,
5193 				 &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
5194 				 ice_vsig_prof, list) {
5195 		status = ice_rem_prof_id(hw, blk, d);
5196 		if (status)
5197 			return status;
5198 
5199 		LIST_DEL(&d->list);
5200 		ice_free(hw, d);
5201 	}
5202 
5203 	/* Move all VSIS associated with this VSIG to the default VSIG */
5204 	vsi_cur = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
5205 	/* If the VSIG has at least 1 VSI then iterate through the list
5206 	 * and remove the VSIs before deleting the group.
5207 	 */
5208 	if (vsi_cur)
5209 		do {
5210 			struct ice_vsig_vsi *tmp = vsi_cur->next_vsi;
5211 			struct ice_chs_chg *p;
5212 
5213 			p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p));
5214 			if (!p)
5215 				return ICE_ERR_NO_MEMORY;
5216 
5217 			p->type = ICE_VSIG_REM;
5218 			p->orig_vsig = vsig;
5219 			p->vsig = ICE_DEFAULT_VSIG;
5220 			p->vsi = vsi_cur - hw->blk[blk].xlt2.vsis;
5221 
5222 			LIST_ADD(&p->list_entry, chg);
5223 
5224 			vsi_cur = tmp;
5225 		} while (vsi_cur);
5226 
5227 	return ice_vsig_free(hw, blk, vsig);
5228 }
5229 
5230 /**
5231  * ice_rem_prof_id_vsig - remove a specific profile from a VSIG
5232  * @hw: pointer to the HW struct
5233  * @blk: hardware block
5234  * @vsig: VSIG to remove the profile from
5235  * @hdl: profile handle indicating which profile to remove
5236  * @chg: list to receive a record of changes
5237  */
5238 static enum ice_status
5239 ice_rem_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl,
5240 		     struct LIST_HEAD_TYPE *chg)
5241 {
5242 	u16 idx = vsig & ICE_VSIG_IDX_M;
5243 	struct ice_vsig_prof *p, *t;
5244 	enum ice_status status;
5245 
5246 	LIST_FOR_EACH_ENTRY_SAFE(p, t,
5247 				 &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
5248 				 ice_vsig_prof, list)
5249 		if (p->profile_cookie == hdl) {
5250 			if (ice_vsig_prof_id_count(hw, blk, vsig) == 1)
5251 				/* this is the last profile, remove the VSIG */
5252 				return ice_rem_vsig(hw, blk, vsig, chg);
5253 
5254 			status = ice_rem_prof_id(hw, blk, p);
5255 			if (!status) {
5256 				LIST_DEL(&p->list);
5257 				ice_free(hw, p);
5258 			}
5259 			return status;
5260 		}
5261 
5262 	return ICE_ERR_DOES_NOT_EXIST;
5263 }
5264 
5265 /**
5266  * ice_rem_flow_all - remove all flows with a particular profile
5267  * @hw: pointer to the HW struct
5268  * @blk: hardware block
5269  * @id: profile tracking ID
5270  */
5271 static enum ice_status
5272 ice_rem_flow_all(struct ice_hw *hw, enum ice_block blk, u64 id)
5273 {
5274 	struct ice_chs_chg *del, *tmp;
5275 	struct LIST_HEAD_TYPE chg;
5276 	enum ice_status status;
5277 	u16 i;
5278 
5279 	INIT_LIST_HEAD(&chg);
5280 
5281 	for (i = 1; i < ICE_MAX_VSIGS; i++)
5282 		if (hw->blk[blk].xlt2.vsig_tbl[i].in_use) {
5283 			if (ice_has_prof_vsig(hw, blk, i, id)) {
5284 				status = ice_rem_prof_id_vsig(hw, blk, i, id,
5285 							      &chg);
5286 				if (status)
5287 					goto err_ice_rem_flow_all;
5288 			}
5289 		}
5290 
5291 	status = ice_upd_prof_hw(hw, blk, &chg);
5292 
5293 err_ice_rem_flow_all:
5294 	LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &chg, ice_chs_chg, list_entry) {
5295 		LIST_DEL(&del->list_entry);
5296 		ice_free(hw, del);
5297 	}
5298 
5299 	return status;
5300 }
5301 
5302 /**
5303  * ice_rem_prof - remove profile
5304  * @hw: pointer to the HW struct
5305  * @blk: hardware block
5306  * @id: profile tracking ID
5307  *
5308  * This will remove the profile specified by the ID parameter, which was
5309  * previously created through ice_add_prof. If any existing entries
5310  * are associated with this profile, they will be removed as well.
5311  */
5312 enum ice_status ice_rem_prof(struct ice_hw *hw, enum ice_block blk, u64 id)
5313 {
5314 	struct ice_prof_map *pmap;
5315 	enum ice_status status;
5316 
5317 	ice_acquire_lock(&hw->blk[blk].es.prof_map_lock);
5318 
5319 	pmap = ice_search_prof_id(hw, blk, id);
5320 	if (!pmap) {
5321 		status = ICE_ERR_DOES_NOT_EXIST;
5322 		goto err_ice_rem_prof;
5323 	}
5324 
5325 	/* remove all flows with this profile */
5326 	status = ice_rem_flow_all(hw, blk, pmap->profile_cookie);
5327 	if (status)
5328 		goto err_ice_rem_prof;
5329 
5330 	/* dereference profile, and possibly remove */
5331 	ice_prof_dec_ref(hw, blk, pmap->prof_id);
5332 
5333 	LIST_DEL(&pmap->list);
5334 	ice_free(hw, pmap);
5335 
5336 err_ice_rem_prof:
5337 	ice_release_lock(&hw->blk[blk].es.prof_map_lock);
5338 	return status;
5339 }
5340 
5341 /**
5342  * ice_get_prof - get profile
5343  * @hw: pointer to the HW struct
5344  * @blk: hardware block
5345  * @hdl: profile handle
5346  * @chg: change list
5347  */
5348 static enum ice_status
5349 ice_get_prof(struct ice_hw *hw, enum ice_block blk, u64 hdl,
5350 	     struct LIST_HEAD_TYPE *chg)
5351 {
5352 	enum ice_status status = ICE_SUCCESS;
5353 	struct ice_prof_map *map;
5354 	struct ice_chs_chg *p;
5355 	u16 i;
5356 
5357 	ice_acquire_lock(&hw->blk[blk].es.prof_map_lock);
5358 	/* Get the details on the profile specified by the handle ID */
5359 	map = ice_search_prof_id(hw, blk, hdl);
5360 	if (!map) {
5361 		status = ICE_ERR_DOES_NOT_EXIST;
5362 		goto err_ice_get_prof;
5363 	}
5364 
5365 	for (i = 0; i < map->ptg_cnt; i++)
5366 		if (!hw->blk[blk].es.written[map->prof_id]) {
5367 			/* add ES to change list */
5368 			p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p));
5369 			if (!p) {
5370 				status = ICE_ERR_NO_MEMORY;
5371 				goto err_ice_get_prof;
5372 			}
5373 
5374 			p->type = ICE_PTG_ES_ADD;
5375 			p->ptype = 0;
5376 			p->ptg = map->ptg[i];
5377 			p->attr = map->attr[i];
5378 			p->add_ptg = 0;
5379 
5380 			p->add_prof = 1;
5381 			p->prof_id = map->prof_id;
5382 
5383 			hw->blk[blk].es.written[map->prof_id] = true;
5384 
5385 			LIST_ADD(&p->list_entry, chg);
5386 		}
5387 
5388 err_ice_get_prof:
5389 	ice_release_lock(&hw->blk[blk].es.prof_map_lock);
5390 	/* let caller clean up the change list */
5391 	return status;
5392 }
5393 
5394 /**
5395  * ice_get_profs_vsig - get a copy of the list of profiles from a VSIG
5396  * @hw: pointer to the HW struct
5397  * @blk: hardware block
5398  * @vsig: VSIG from which to copy the list
5399  * @lst: output list
5400  *
5401  * This routine makes a copy of the list of profiles in the specified VSIG.
5402  */
5403 static enum ice_status
5404 ice_get_profs_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig,
5405 		   struct LIST_HEAD_TYPE *lst)
5406 {
5407 	struct ice_vsig_prof *ent1, *ent2;
5408 	u16 idx = vsig & ICE_VSIG_IDX_M;
5409 
5410 	LIST_FOR_EACH_ENTRY(ent1, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
5411 			    ice_vsig_prof, list) {
5412 		struct ice_vsig_prof *p;
5413 
5414 		/* copy to the input list */
5415 		p = (struct ice_vsig_prof *)ice_memdup(hw, ent1, sizeof(*p),
5416 						       ICE_NONDMA_TO_NONDMA);
5417 		if (!p)
5418 			goto err_ice_get_profs_vsig;
5419 
5420 		LIST_ADD_TAIL(&p->list, lst);
5421 	}
5422 
5423 	return ICE_SUCCESS;
5424 
5425 err_ice_get_profs_vsig:
5426 	LIST_FOR_EACH_ENTRY_SAFE(ent1, ent2, lst, ice_vsig_prof, list) {
5427 		LIST_DEL(&ent1->list);
5428 		ice_free(hw, ent1);
5429 	}
5430 
5431 	return ICE_ERR_NO_MEMORY;
5432 }
5433 
5434 /**
5435  * ice_add_prof_to_lst - add profile entry to a list
5436  * @hw: pointer to the HW struct
5437  * @blk: hardware block
5438  * @lst: the list to be added to
5439  * @hdl: profile handle of entry to add
5440  */
5441 static enum ice_status
5442 ice_add_prof_to_lst(struct ice_hw *hw, enum ice_block blk,
5443 		    struct LIST_HEAD_TYPE *lst, u64 hdl)
5444 {
5445 	enum ice_status status = ICE_SUCCESS;
5446 	struct ice_prof_map *map;
5447 	struct ice_vsig_prof *p;
5448 	u16 i;
5449 
5450 	ice_acquire_lock(&hw->blk[blk].es.prof_map_lock);
5451 	map = ice_search_prof_id(hw, blk, hdl);
5452 	if (!map) {
5453 		status = ICE_ERR_DOES_NOT_EXIST;
5454 		goto err_ice_add_prof_to_lst;
5455 	}
5456 
5457 	p = (struct ice_vsig_prof *)ice_malloc(hw, sizeof(*p));
5458 	if (!p) {
5459 		status = ICE_ERR_NO_MEMORY;
5460 		goto err_ice_add_prof_to_lst;
5461 	}
5462 
5463 	p->profile_cookie = map->profile_cookie;
5464 	p->prof_id = map->prof_id;
5465 	p->tcam_count = map->ptg_cnt;
5466 
5467 	for (i = 0; i < map->ptg_cnt; i++) {
5468 		p->tcam[i].prof_id = map->prof_id;
5469 		p->tcam[i].tcam_idx = ICE_INVALID_TCAM;
5470 		p->tcam[i].ptg = map->ptg[i];
5471 		p->tcam[i].attr = map->attr[i];
5472 	}
5473 
5474 	LIST_ADD(&p->list, lst);
5475 
5476 err_ice_add_prof_to_lst:
5477 	ice_release_lock(&hw->blk[blk].es.prof_map_lock);
5478 	return status;
5479 }
5480 
5481 /**
5482  * ice_move_vsi - move VSI to another VSIG
5483  * @hw: pointer to the HW struct
5484  * @blk: hardware block
5485  * @vsi: the VSI to move
5486  * @vsig: the VSIG to move the VSI to
5487  * @chg: the change list
5488  */
5489 static enum ice_status
5490 ice_move_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig,
5491 	     struct LIST_HEAD_TYPE *chg)
5492 {
5493 	enum ice_status status;
5494 	struct ice_chs_chg *p;
5495 	u16 orig_vsig;
5496 
5497 	p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p));
5498 	if (!p)
5499 		return ICE_ERR_NO_MEMORY;
5500 
5501 	status = ice_vsig_find_vsi(hw, blk, vsi, &orig_vsig);
5502 	if (!status)
5503 		status = ice_vsig_add_mv_vsi(hw, blk, vsi, vsig);
5504 
5505 	if (status) {
5506 		ice_free(hw, p);
5507 		return status;
5508 	}
5509 
5510 	p->type = ICE_VSI_MOVE;
5511 	p->vsi = vsi;
5512 	p->orig_vsig = orig_vsig;
5513 	p->vsig = vsig;
5514 
5515 	LIST_ADD(&p->list_entry, chg);
5516 
5517 	return ICE_SUCCESS;
5518 }
5519 
5520 /**
5521  * ice_set_tcam_flags - set TCAM flag don't care mask
5522  * @mask: mask for flags
5523  * @dc_mask: pointer to the don't care mask
5524  */
5525 static void ice_set_tcam_flags(u16 mask, u8 dc_mask[ICE_TCAM_KEY_VAL_SZ])
5526 {
5527 	u16 *flag_word;
5528 
5529 	/* flags are lowest u16 */
5530 	flag_word = (u16 *)dc_mask;
5531 	*flag_word = ~mask;
5532 }
5533 
5534 /**
5535  * ice_rem_chg_tcam_ent - remove a specific TCAM entry from change list
5536  * @hw: pointer to the HW struct
5537  * @idx: the index of the TCAM entry to remove
5538  * @chg: the list of change structures to search
5539  */
5540 static void
5541 ice_rem_chg_tcam_ent(struct ice_hw *hw, u16 idx, struct LIST_HEAD_TYPE *chg)
5542 {
5543 	struct ice_chs_chg *pos, *tmp;
5544 
5545 	LIST_FOR_EACH_ENTRY_SAFE(tmp, pos, chg, ice_chs_chg, list_entry)
5546 		if (tmp->type == ICE_TCAM_ADD && tmp->tcam_idx == idx) {
5547 			LIST_DEL(&tmp->list_entry);
5548 			ice_free(hw, tmp);
5549 		}
5550 }
5551 
5552 /**
5553  * ice_prof_tcam_ena_dis - add enable or disable TCAM change
5554  * @hw: pointer to the HW struct
5555  * @blk: hardware block
5556  * @enable: true to enable, false to disable
5557  * @vsig: the VSIG of the TCAM entry
5558  * @tcam: pointer the TCAM info structure of the TCAM to disable
5559  * @chg: the change list
5560  *
5561  * This function appends an enable or disable TCAM entry in the change log
5562  */
5563 static enum ice_status
5564 ice_prof_tcam_ena_dis(struct ice_hw *hw, enum ice_block blk, bool enable,
5565 		      u16 vsig, struct ice_tcam_inf *tcam,
5566 		      struct LIST_HEAD_TYPE *chg)
5567 {
5568 	enum ice_status status;
5569 	struct ice_chs_chg *p;
5570 
5571 	u8 vl_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5572 	u8 dc_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0x00, 0x00, 0x00 };
5573 	u8 nm_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x00, 0x00, 0x00, 0x00, 0x00 };
5574 
5575 	/* if disabling, free the TCAM */
5576 	if (!enable) {
5577 		status = ice_rel_tcam_idx(hw, blk, tcam->tcam_idx);
5578 
5579 		/* if we have already created a change for this TCAM entry, then
5580 		 * we need to remove that entry, in order to prevent writing to
5581 		 * a TCAM entry we no longer will have ownership of.
5582 		 */
5583 		ice_rem_chg_tcam_ent(hw, tcam->tcam_idx, chg);
5584 		tcam->tcam_idx = 0;
5585 		tcam->in_use = 0;
5586 		return status;
5587 	}
5588 
5589 	/* for re-enabling, reallocate a TCAM */
5590 	/* for entries with empty attribute masks, allocate entry from
5591 	 * the bottom of the TCAM table; otherwise, allocate from the
5592 	 * top of the table in order to give it higher priority
5593 	 */
5594 	status = ice_alloc_tcam_ent(hw, blk, tcam->attr.mask == 0,
5595 				    &tcam->tcam_idx);
5596 	if (status)
5597 		return status;
5598 
5599 	/* add TCAM to change list */
5600 	p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p));
5601 	if (!p)
5602 		return ICE_ERR_NO_MEMORY;
5603 
5604 	/* set don't care masks for TCAM flags */
5605 	ice_set_tcam_flags(tcam->attr.mask, dc_msk);
5606 
5607 	status = ice_tcam_write_entry(hw, blk, tcam->tcam_idx, tcam->prof_id,
5608 				      tcam->ptg, vsig, 0, tcam->attr.flags,
5609 				      vl_msk, dc_msk, nm_msk);
5610 	if (status)
5611 		goto err_ice_prof_tcam_ena_dis;
5612 
5613 	tcam->in_use = 1;
5614 
5615 	p->type = ICE_TCAM_ADD;
5616 	p->add_tcam_idx = true;
5617 	p->prof_id = tcam->prof_id;
5618 	p->ptg = tcam->ptg;
5619 	p->vsig = 0;
5620 	p->tcam_idx = tcam->tcam_idx;
5621 
5622 	/* log change */
5623 	LIST_ADD(&p->list_entry, chg);
5624 
5625 	return ICE_SUCCESS;
5626 
5627 err_ice_prof_tcam_ena_dis:
5628 	ice_free(hw, p);
5629 	return status;
5630 }
5631 
5632 /**
5633  * ice_ptg_attr_in_use - determine if PTG and attribute pair is in use
5634  * @ptg_attr: pointer to the PTG and attribute pair to check
5635  * @ptgs_used: bitmap that denotes which PTGs are in use
5636  * @attr_used: array of PTG and attributes pairs already used
5637  * @attr_cnt: count of entries in the attr_used array
5638  */
5639 static bool
5640 ice_ptg_attr_in_use(struct ice_tcam_inf *ptg_attr, ice_bitmap_t *ptgs_used,
5641 		    struct ice_tcam_inf *attr_used[], u16 attr_cnt)
5642 {
5643 	u16 i;
5644 
5645 	if (!ice_is_bit_set(ptgs_used, ptg_attr->ptg))
5646 		return false;
5647 
5648 	/* the PTG is used, so now look for correct attributes */
5649 	for (i = 0; i < attr_cnt; i++)
5650 		if (attr_used[i]->ptg == ptg_attr->ptg &&
5651 		    attr_used[i]->attr.flags == ptg_attr->attr.flags &&
5652 		    attr_used[i]->attr.mask == ptg_attr->attr.mask)
5653 			return true;
5654 
5655 	return false;
5656 }
5657 
5658 /**
5659  * ice_adj_prof_priorities - adjust profile based on priorities
5660  * @hw: pointer to the HW struct
5661  * @blk: hardware block
5662  * @vsig: the VSIG for which to adjust profile priorities
5663  * @chg: the change list
5664  */
5665 static enum ice_status
5666 ice_adj_prof_priorities(struct ice_hw *hw, enum ice_block blk, u16 vsig,
5667 			struct LIST_HEAD_TYPE *chg)
5668 {
5669 	ice_declare_bitmap(ptgs_used, ICE_XLT1_CNT);
5670 	struct ice_tcam_inf **attr_used;
5671 	enum ice_status status = ICE_SUCCESS;
5672 	struct ice_vsig_prof *t;
5673 	u16 attr_used_cnt = 0;
5674 	u16 idx;
5675 
5676 #define ICE_MAX_PTG_ATTRS	1024
5677 	attr_used = (struct ice_tcam_inf **)ice_calloc(hw, ICE_MAX_PTG_ATTRS,
5678 						       sizeof(*attr_used));
5679 	if (!attr_used)
5680 		return ICE_ERR_NO_MEMORY;
5681 
5682 	ice_zero_bitmap(ptgs_used, ICE_XLT1_CNT);
5683 	idx = vsig & ICE_VSIG_IDX_M;
5684 
5685 	/* Priority is based on the order in which the profiles are added. The
5686 	 * newest added profile has highest priority and the oldest added
5687 	 * profile has the lowest priority. Since the profile property list for
5688 	 * a VSIG is sorted from newest to oldest, this code traverses the list
5689 	 * in order and enables the first of each PTG that it finds (that is not
5690 	 * already enabled); it also disables any duplicate PTGs that it finds
5691 	 * in the older profiles (that are currently enabled).
5692 	 */
5693 
5694 	LIST_FOR_EACH_ENTRY(t, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
5695 			    ice_vsig_prof, list) {
5696 		u16 i;
5697 
5698 		for (i = 0; i < t->tcam_count; i++) {
5699 			bool used;
5700 
5701 			/* Scan the priorities from newest to oldest.
5702 			 * Make sure that the newest profiles take priority.
5703 			 */
5704 			used = ice_ptg_attr_in_use(&t->tcam[i], ptgs_used,
5705 						   attr_used, attr_used_cnt);
5706 
5707 			if (used && t->tcam[i].in_use) {
5708 				/* need to mark this PTG as never match, as it
5709 				 * was already in use and therefore duplicate
5710 				 * (and lower priority)
5711 				 */
5712 				status = ice_prof_tcam_ena_dis(hw, blk, false,
5713 							       vsig,
5714 							       &t->tcam[i],
5715 							       chg);
5716 				if (status)
5717 					goto err_ice_adj_prof_priorities;
5718 			} else if (!used && !t->tcam[i].in_use) {
5719 				/* need to enable this PTG, as it in not in use
5720 				 * and not enabled (highest priority)
5721 				 */
5722 				status = ice_prof_tcam_ena_dis(hw, blk, true,
5723 							       vsig,
5724 							       &t->tcam[i],
5725 							       chg);
5726 				if (status)
5727 					goto err_ice_adj_prof_priorities;
5728 			}
5729 
5730 			/* keep track of used ptgs */
5731 			ice_set_bit(t->tcam[i].ptg, ptgs_used);
5732 			if (attr_used_cnt < ICE_MAX_PTG_ATTRS)
5733 				attr_used[attr_used_cnt++] = &t->tcam[i];
5734 			else
5735 				ice_debug(hw, ICE_DBG_INIT, "Warn: ICE_MAX_PTG_ATTRS exceeded\n");
5736 		}
5737 	}
5738 
5739 err_ice_adj_prof_priorities:
5740 	ice_free(hw, attr_used);
5741 	return status;
5742 }
5743 
5744 /**
5745  * ice_add_prof_id_vsig - add profile to VSIG
5746  * @hw: pointer to the HW struct
5747  * @blk: hardware block
5748  * @vsig: the VSIG to which this profile is to be added
5749  * @hdl: the profile handle indicating the profile to add
5750  * @rev: true to add entries to the end of the list
5751  * @chg: the change list
5752  */
5753 static enum ice_status
5754 ice_add_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl,
5755 		     bool rev, struct LIST_HEAD_TYPE *chg)
5756 {
5757 	/* Masks that ignore flags */
5758 	u8 vl_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5759 	u8 dc_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0x00, 0x00, 0x00 };
5760 	u8 nm_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x00, 0x00, 0x00, 0x00, 0x00 };
5761 	enum ice_status status = ICE_SUCCESS;
5762 	struct ice_prof_map *map;
5763 	struct ice_vsig_prof *t;
5764 	struct ice_chs_chg *p;
5765 	u16 vsig_idx, i;
5766 
5767 	/* Error, if this VSIG already has this profile */
5768 	if (ice_has_prof_vsig(hw, blk, vsig, hdl))
5769 		return ICE_ERR_ALREADY_EXISTS;
5770 
5771 	/* new VSIG profile structure */
5772 	t = (struct ice_vsig_prof *)ice_malloc(hw, sizeof(*t));
5773 	if (!t)
5774 		return ICE_ERR_NO_MEMORY;
5775 
5776 	ice_acquire_lock(&hw->blk[blk].es.prof_map_lock);
5777 	/* Get the details on the profile specified by the handle ID */
5778 	map = ice_search_prof_id(hw, blk, hdl);
5779 	if (!map) {
5780 		status = ICE_ERR_DOES_NOT_EXIST;
5781 		goto err_ice_add_prof_id_vsig;
5782 	}
5783 
5784 	t->profile_cookie = map->profile_cookie;
5785 	t->prof_id = map->prof_id;
5786 	t->tcam_count = map->ptg_cnt;
5787 
5788 	/* create TCAM entries */
5789 	for (i = 0; i < map->ptg_cnt; i++) {
5790 		u16 tcam_idx;
5791 
5792 		/* add TCAM to change list */
5793 		p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p));
5794 		if (!p) {
5795 			status = ICE_ERR_NO_MEMORY;
5796 			goto err_ice_add_prof_id_vsig;
5797 		}
5798 
5799 		/* allocate the TCAM entry index */
5800 		/* for entries with empty attribute masks, allocate entry from
5801 		 * the bottom of the TCAM table; otherwise, allocate from the
5802 		 * top of the table in order to give it higher priority
5803 		 */
5804 		status = ice_alloc_tcam_ent(hw, blk, map->attr[i].mask == 0,
5805 					    &tcam_idx);
5806 		if (status) {
5807 			ice_free(hw, p);
5808 			goto err_ice_add_prof_id_vsig;
5809 		}
5810 
5811 		t->tcam[i].ptg = map->ptg[i];
5812 		t->tcam[i].prof_id = map->prof_id;
5813 		t->tcam[i].tcam_idx = tcam_idx;
5814 		t->tcam[i].attr = map->attr[i];
5815 		t->tcam[i].in_use = true;
5816 
5817 		p->type = ICE_TCAM_ADD;
5818 		p->add_tcam_idx = true;
5819 		p->prof_id = t->tcam[i].prof_id;
5820 		p->ptg = t->tcam[i].ptg;
5821 		p->vsig = vsig;
5822 		p->tcam_idx = t->tcam[i].tcam_idx;
5823 
5824 		/* set don't care masks for TCAM flags */
5825 		ice_set_tcam_flags(t->tcam[i].attr.mask, dc_msk);
5826 
5827 		/* write the TCAM entry */
5828 		status = ice_tcam_write_entry(hw, blk, t->tcam[i].tcam_idx,
5829 					      t->tcam[i].prof_id,
5830 					      t->tcam[i].ptg, vsig, 0,
5831 					      t->tcam[i].attr.flags, vl_msk,
5832 					      dc_msk, nm_msk);
5833 		if (status) {
5834 			ice_free(hw, p);
5835 			goto err_ice_add_prof_id_vsig;
5836 		}
5837 
5838 		/* log change */
5839 		LIST_ADD(&p->list_entry, chg);
5840 	}
5841 
5842 	/* add profile to VSIG */
5843 	vsig_idx = vsig & ICE_VSIG_IDX_M;
5844 	if (rev)
5845 		LIST_ADD_TAIL(&t->list,
5846 			      &hw->blk[blk].xlt2.vsig_tbl[vsig_idx].prop_lst);
5847 	else
5848 		LIST_ADD(&t->list,
5849 			 &hw->blk[blk].xlt2.vsig_tbl[vsig_idx].prop_lst);
5850 
5851 	ice_release_lock(&hw->blk[blk].es.prof_map_lock);
5852 	return status;
5853 
5854 err_ice_add_prof_id_vsig:
5855 	ice_release_lock(&hw->blk[blk].es.prof_map_lock);
5856 	/* let caller clean up the change list */
5857 	ice_free(hw, t);
5858 	return status;
5859 }
5860 
5861 /**
5862  * ice_create_prof_id_vsig - add a new VSIG with a single profile
5863  * @hw: pointer to the HW struct
5864  * @blk: hardware block
5865  * @vsi: the initial VSI that will be in VSIG
5866  * @hdl: the profile handle of the profile that will be added to the VSIG
5867  * @chg: the change list
5868  */
5869 static enum ice_status
5870 ice_create_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl,
5871 			struct LIST_HEAD_TYPE *chg)
5872 {
5873 	enum ice_status status;
5874 	struct ice_chs_chg *p;
5875 	u16 new_vsig;
5876 
5877 	p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p));
5878 	if (!p)
5879 		return ICE_ERR_NO_MEMORY;
5880 
5881 	new_vsig = ice_vsig_alloc(hw, blk);
5882 	if (!new_vsig) {
5883 		status = ICE_ERR_HW_TABLE;
5884 		goto err_ice_create_prof_id_vsig;
5885 	}
5886 
5887 	status = ice_move_vsi(hw, blk, vsi, new_vsig, chg);
5888 	if (status)
5889 		goto err_ice_create_prof_id_vsig;
5890 
5891 	status = ice_add_prof_id_vsig(hw, blk, new_vsig, hdl, false, chg);
5892 	if (status)
5893 		goto err_ice_create_prof_id_vsig;
5894 
5895 	p->type = ICE_VSIG_ADD;
5896 	p->vsi = vsi;
5897 	p->orig_vsig = ICE_DEFAULT_VSIG;
5898 	p->vsig = new_vsig;
5899 
5900 	LIST_ADD(&p->list_entry, chg);
5901 
5902 	return ICE_SUCCESS;
5903 
5904 err_ice_create_prof_id_vsig:
5905 	/* let caller clean up the change list */
5906 	ice_free(hw, p);
5907 	return status;
5908 }
5909 
5910 /**
5911  * ice_create_vsig_from_lst - create a new VSIG with a list of profiles
5912  * @hw: pointer to the HW struct
5913  * @blk: hardware block
5914  * @vsi: the initial VSI that will be in VSIG
5915  * @lst: the list of profile that will be added to the VSIG
5916  * @new_vsig: return of new VSIG
5917  * @chg: the change list
5918  */
5919 static enum ice_status
5920 ice_create_vsig_from_lst(struct ice_hw *hw, enum ice_block blk, u16 vsi,
5921 			 struct LIST_HEAD_TYPE *lst, u16 *new_vsig,
5922 			 struct LIST_HEAD_TYPE *chg)
5923 {
5924 	struct ice_vsig_prof *t;
5925 	enum ice_status status;
5926 	u16 vsig;
5927 
5928 	vsig = ice_vsig_alloc(hw, blk);
5929 	if (!vsig)
5930 		return ICE_ERR_HW_TABLE;
5931 
5932 	status = ice_move_vsi(hw, blk, vsi, vsig, chg);
5933 	if (status)
5934 		return status;
5935 
5936 	LIST_FOR_EACH_ENTRY(t, lst, ice_vsig_prof, list) {
5937 		/* Reverse the order here since we are copying the list */
5938 		status = ice_add_prof_id_vsig(hw, blk, vsig, t->profile_cookie,
5939 					      true, chg);
5940 		if (status)
5941 			return status;
5942 	}
5943 
5944 	*new_vsig = vsig;
5945 
5946 	return ICE_SUCCESS;
5947 }
5948 
5949 /**
5950  * ice_find_prof_vsig - find a VSIG with a specific profile handle
5951  * @hw: pointer to the HW struct
5952  * @blk: hardware block
5953  * @hdl: the profile handle of the profile to search for
5954  * @vsig: returns the VSIG with the matching profile
5955  */
5956 static bool
5957 ice_find_prof_vsig(struct ice_hw *hw, enum ice_block blk, u64 hdl, u16 *vsig)
5958 {
5959 	struct ice_vsig_prof *t;
5960 	struct LIST_HEAD_TYPE lst;
5961 	enum ice_status status;
5962 
5963 	INIT_LIST_HEAD(&lst);
5964 
5965 	t = (struct ice_vsig_prof *)ice_malloc(hw, sizeof(*t));
5966 	if (!t)
5967 		return false;
5968 
5969 	t->profile_cookie = hdl;
5970 	LIST_ADD(&t->list, &lst);
5971 
5972 	status = ice_find_dup_props_vsig(hw, blk, &lst, vsig);
5973 
5974 	LIST_DEL(&t->list);
5975 	ice_free(hw, t);
5976 
5977 	return status == ICE_SUCCESS;
5978 }
5979 
5980 /**
5981  * ice_add_vsi_flow - add VSI flow
5982  * @hw: pointer to the HW struct
5983  * @blk: hardware block
5984  * @vsi: input VSI
5985  * @vsig: target VSIG to include the input VSI
5986  *
5987  * Calling this function will add the VSI to a given VSIG and
5988  * update the HW tables accordingly. This call can be used to
5989  * add multiple VSIs to a VSIG if we know beforehand that those
5990  * VSIs have the same characteristics of the VSIG. This will
5991  * save time in generating a new VSIG and TCAMs till a match is
5992  * found and subsequent rollback when a matching VSIG is found.
5993  */
5994 enum ice_status
5995 ice_add_vsi_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig)
5996 {
5997 	struct ice_chs_chg *tmp, *del;
5998 	struct LIST_HEAD_TYPE chg;
5999 	enum ice_status status;
6000 
6001 	/* if target VSIG is default the move is invalid */
6002 	if ((vsig & ICE_VSIG_IDX_M) == ICE_DEFAULT_VSIG)
6003 		return ICE_ERR_PARAM;
6004 
6005 	INIT_LIST_HEAD(&chg);
6006 
6007 	/* move VSI to the VSIG that matches */
6008 	status = ice_move_vsi(hw, blk, vsi, vsig, &chg);
6009 	/* update hardware if success */
6010 	if (!status)
6011 		status = ice_upd_prof_hw(hw, blk, &chg);
6012 
6013 	LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &chg, ice_chs_chg, list_entry) {
6014 		LIST_DEL(&del->list_entry);
6015 		ice_free(hw, del);
6016 	}
6017 
6018 	return status;
6019 }
6020 
6021 /**
6022  * ice_add_prof_id_flow - add profile flow
6023  * @hw: pointer to the HW struct
6024  * @blk: hardware block
6025  * @vsi: the VSI to enable with the profile specified by ID
6026  * @hdl: profile handle
6027  *
6028  * Calling this function will update the hardware tables to enable the
6029  * profile indicated by the ID parameter for the VSIs specified in the VSI
6030  * array. Once successfully called, the flow will be enabled.
6031  */
6032 enum ice_status
6033 ice_add_prof_id_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl)
6034 {
6035 	struct ice_vsig_prof *tmp1, *del1;
6036 	struct LIST_HEAD_TYPE union_lst;
6037 	struct ice_chs_chg *tmp, *del;
6038 	struct LIST_HEAD_TYPE chg;
6039 	enum ice_status status;
6040 	u16 vsig;
6041 
6042 	INIT_LIST_HEAD(&union_lst);
6043 	INIT_LIST_HEAD(&chg);
6044 
6045 	/* Get profile */
6046 	status = ice_get_prof(hw, blk, hdl, &chg);
6047 	if (status)
6048 		return status;
6049 
6050 	/* determine if VSI is already part of a VSIG */
6051 	status = ice_vsig_find_vsi(hw, blk, vsi, &vsig);
6052 	if (!status && vsig) {
6053 		bool only_vsi;
6054 		u16 or_vsig;
6055 		u16 ref;
6056 
6057 		/* found in VSIG */
6058 		or_vsig = vsig;
6059 
6060 		/* make sure that there is no overlap/conflict between the new
6061 		 * characteristics and the existing ones; we don't support that
6062 		 * scenario
6063 		 */
6064 		if (ice_has_prof_vsig(hw, blk, vsig, hdl)) {
6065 			status = ICE_ERR_ALREADY_EXISTS;
6066 			goto err_ice_add_prof_id_flow;
6067 		}
6068 
6069 		/* last VSI in the VSIG? */
6070 		status = ice_vsig_get_ref(hw, blk, vsig, &ref);
6071 		if (status)
6072 			goto err_ice_add_prof_id_flow;
6073 		only_vsi = (ref == 1);
6074 
6075 		/* create a union of the current profiles and the one being
6076 		 * added
6077 		 */
6078 		status = ice_get_profs_vsig(hw, blk, vsig, &union_lst);
6079 		if (status)
6080 			goto err_ice_add_prof_id_flow;
6081 
6082 		status = ice_add_prof_to_lst(hw, blk, &union_lst, hdl);
6083 		if (status)
6084 			goto err_ice_add_prof_id_flow;
6085 
6086 		/* search for an existing VSIG with an exact charc match */
6087 		status = ice_find_dup_props_vsig(hw, blk, &union_lst, &vsig);
6088 		if (!status) {
6089 			/* move VSI to the VSIG that matches */
6090 			status = ice_move_vsi(hw, blk, vsi, vsig, &chg);
6091 			if (status)
6092 				goto err_ice_add_prof_id_flow;
6093 
6094 			/* VSI has been moved out of or_vsig. If the or_vsig had
6095 			 * only that VSI it is now empty and can be removed.
6096 			 */
6097 			if (only_vsi) {
6098 				status = ice_rem_vsig(hw, blk, or_vsig, &chg);
6099 				if (status)
6100 					goto err_ice_add_prof_id_flow;
6101 			}
6102 		} else if (only_vsi) {
6103 			/* If the original VSIG only contains one VSI, then it
6104 			 * will be the requesting VSI. In this case the VSI is
6105 			 * not sharing entries and we can simply add the new
6106 			 * profile to the VSIG.
6107 			 */
6108 			status = ice_add_prof_id_vsig(hw, blk, vsig, hdl, false,
6109 						      &chg);
6110 			if (status)
6111 				goto err_ice_add_prof_id_flow;
6112 
6113 			/* Adjust priorities */
6114 			status = ice_adj_prof_priorities(hw, blk, vsig, &chg);
6115 			if (status)
6116 				goto err_ice_add_prof_id_flow;
6117 		} else {
6118 			/* No match, so we need a new VSIG */
6119 			status = ice_create_vsig_from_lst(hw, blk, vsi,
6120 							  &union_lst, &vsig,
6121 							  &chg);
6122 			if (status)
6123 				goto err_ice_add_prof_id_flow;
6124 
6125 			/* Adjust priorities */
6126 			status = ice_adj_prof_priorities(hw, blk, vsig, &chg);
6127 			if (status)
6128 				goto err_ice_add_prof_id_flow;
6129 		}
6130 	} else {
6131 		/* need to find or add a VSIG */
6132 		/* search for an existing VSIG with an exact charc match */
6133 		if (ice_find_prof_vsig(hw, blk, hdl, &vsig)) {
6134 			/* found an exact match */
6135 			/* add or move VSI to the VSIG that matches */
6136 			status = ice_move_vsi(hw, blk, vsi, vsig, &chg);
6137 			if (status)
6138 				goto err_ice_add_prof_id_flow;
6139 		} else {
6140 			/* we did not find an exact match */
6141 			/* we need to add a VSIG */
6142 			status = ice_create_prof_id_vsig(hw, blk, vsi, hdl,
6143 							 &chg);
6144 			if (status)
6145 				goto err_ice_add_prof_id_flow;
6146 		}
6147 	}
6148 
6149 	/* update hardware */
6150 	if (!status)
6151 		status = ice_upd_prof_hw(hw, blk, &chg);
6152 
6153 err_ice_add_prof_id_flow:
6154 	LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &chg, ice_chs_chg, list_entry) {
6155 		LIST_DEL(&del->list_entry);
6156 		ice_free(hw, del);
6157 	}
6158 
6159 	LIST_FOR_EACH_ENTRY_SAFE(del1, tmp1, &union_lst, ice_vsig_prof, list) {
6160 		LIST_DEL(&del1->list);
6161 		ice_free(hw, del1);
6162 	}
6163 
6164 	return status;
6165 }
6166 
6167 /**
6168  * ice_rem_prof_from_list - remove a profile from list
6169  * @hw: pointer to the HW struct
6170  * @lst: list to remove the profile from
6171  * @hdl: the profile handle indicating the profile to remove
6172  */
6173 static enum ice_status
6174 ice_rem_prof_from_list(struct ice_hw *hw, struct LIST_HEAD_TYPE *lst, u64 hdl)
6175 {
6176 	struct ice_vsig_prof *ent, *tmp;
6177 
6178 	LIST_FOR_EACH_ENTRY_SAFE(ent, tmp, lst, ice_vsig_prof, list)
6179 		if (ent->profile_cookie == hdl) {
6180 			LIST_DEL(&ent->list);
6181 			ice_free(hw, ent);
6182 			return ICE_SUCCESS;
6183 		}
6184 
6185 	return ICE_ERR_DOES_NOT_EXIST;
6186 }
6187 
6188 /**
6189  * ice_rem_prof_id_flow - remove flow
6190  * @hw: pointer to the HW struct
6191  * @blk: hardware block
6192  * @vsi: the VSI from which to remove the profile specified by ID
6193  * @hdl: profile tracking handle
6194  *
6195  * Calling this function will update the hardware tables to remove the
6196  * profile indicated by the ID parameter for the VSIs specified in the VSI
6197  * array. Once successfully called, the flow will be disabled.
6198  */
6199 enum ice_status
6200 ice_rem_prof_id_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl)
6201 {
6202 	struct ice_vsig_prof *tmp1, *del1;
6203 	struct LIST_HEAD_TYPE chg, copy;
6204 	struct ice_chs_chg *tmp, *del;
6205 	enum ice_status status;
6206 	u16 vsig;
6207 
6208 	INIT_LIST_HEAD(&copy);
6209 	INIT_LIST_HEAD(&chg);
6210 
6211 	/* determine if VSI is already part of a VSIG */
6212 	status = ice_vsig_find_vsi(hw, blk, vsi, &vsig);
6213 	if (!status && vsig) {
6214 		bool last_profile;
6215 		bool only_vsi;
6216 		u16 ref;
6217 
6218 		/* found in VSIG */
6219 		last_profile = ice_vsig_prof_id_count(hw, blk, vsig) == 1;
6220 		status = ice_vsig_get_ref(hw, blk, vsig, &ref);
6221 		if (status)
6222 			goto err_ice_rem_prof_id_flow;
6223 		only_vsi = (ref == 1);
6224 
6225 		if (only_vsi) {
6226 			/* If the original VSIG only contains one reference,
6227 			 * which will be the requesting VSI, then the VSI is not
6228 			 * sharing entries and we can simply remove the specific
6229 			 * characteristics from the VSIG.
6230 			 */
6231 
6232 			if (last_profile) {
6233 				/* If there are no profiles left for this VSIG,
6234 				 * then simply remove the VSIG.
6235 				 */
6236 				status = ice_rem_vsig(hw, blk, vsig, &chg);
6237 				if (status)
6238 					goto err_ice_rem_prof_id_flow;
6239 			} else {
6240 				status = ice_rem_prof_id_vsig(hw, blk, vsig,
6241 							      hdl, &chg);
6242 				if (status)
6243 					goto err_ice_rem_prof_id_flow;
6244 
6245 				/* Adjust priorities */
6246 				status = ice_adj_prof_priorities(hw, blk, vsig,
6247 								 &chg);
6248 				if (status)
6249 					goto err_ice_rem_prof_id_flow;
6250 			}
6251 
6252 		} else {
6253 			/* Make a copy of the VSIG's list of Profiles */
6254 			status = ice_get_profs_vsig(hw, blk, vsig, &copy);
6255 			if (status)
6256 				goto err_ice_rem_prof_id_flow;
6257 
6258 			/* Remove specified profile entry from the list */
6259 			status = ice_rem_prof_from_list(hw, &copy, hdl);
6260 			if (status)
6261 				goto err_ice_rem_prof_id_flow;
6262 
6263 			if (LIST_EMPTY(&copy)) {
6264 				status = ice_move_vsi(hw, blk, vsi,
6265 						      ICE_DEFAULT_VSIG, &chg);
6266 				if (status)
6267 					goto err_ice_rem_prof_id_flow;
6268 
6269 			} else if (!ice_find_dup_props_vsig(hw, blk, &copy,
6270 							    &vsig)) {
6271 				/* found an exact match */
6272 				/* add or move VSI to the VSIG that matches */
6273 				/* Search for a VSIG with a matching profile
6274 				 * list
6275 				 */
6276 
6277 				/* Found match, move VSI to the matching VSIG */
6278 				status = ice_move_vsi(hw, blk, vsi, vsig, &chg);
6279 				if (status)
6280 					goto err_ice_rem_prof_id_flow;
6281 			} else {
6282 				/* since no existing VSIG supports this
6283 				 * characteristic pattern, we need to create a
6284 				 * new VSIG and TCAM entries
6285 				 */
6286 				status = ice_create_vsig_from_lst(hw, blk, vsi,
6287 								  &copy, &vsig,
6288 								  &chg);
6289 				if (status)
6290 					goto err_ice_rem_prof_id_flow;
6291 
6292 				/* Adjust priorities */
6293 				status = ice_adj_prof_priorities(hw, blk, vsig,
6294 								 &chg);
6295 				if (status)
6296 					goto err_ice_rem_prof_id_flow;
6297 			}
6298 		}
6299 	} else {
6300 		status = ICE_ERR_DOES_NOT_EXIST;
6301 	}
6302 
6303 	/* update hardware tables */
6304 	if (!status)
6305 		status = ice_upd_prof_hw(hw, blk, &chg);
6306 
6307 err_ice_rem_prof_id_flow:
6308 	LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &chg, ice_chs_chg, list_entry) {
6309 		LIST_DEL(&del->list_entry);
6310 		ice_free(hw, del);
6311 	}
6312 
6313 	LIST_FOR_EACH_ENTRY_SAFE(del1, tmp1, &copy, ice_vsig_prof, list) {
6314 		LIST_DEL(&del1->list);
6315 		ice_free(hw, del1);
6316 	}
6317 
6318 	return status;
6319 }
6320