1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (c) 2019, Intel Corporation. */
3 
4 #ifndef _ICE_FLEX_TYPE_H_
5 #define _ICE_FLEX_TYPE_H_
6 
7 #define ICE_FV_OFFSET_INVAL	0x1FF
8 
9 /* Extraction Sequence (Field Vector) Table */
10 struct ice_fv_word {
11 	u8 prot_id;
12 	u16 off;		/* Offset within the protocol header */
13 	u8 resvrd;
14 } __packed;
15 
16 #define ICE_MAX_FV_WORDS 48
17 struct ice_fv {
18 	struct ice_fv_word ew[ICE_MAX_FV_WORDS];
19 };
20 
21 /* Package and segment headers and tables */
22 struct ice_pkg_hdr {
23 	struct ice_pkg_ver pkg_format_ver;
24 	__le32 seg_count;
25 	__le32 seg_offset[];
26 };
27 
28 /* generic segment */
29 struct ice_generic_seg_hdr {
30 #define SEGMENT_TYPE_METADATA	0x00000001
31 #define SEGMENT_TYPE_ICE	0x00000010
32 	__le32 seg_type;
33 	struct ice_pkg_ver seg_format_ver;
34 	__le32 seg_size;
35 	char seg_id[ICE_PKG_NAME_SIZE];
36 };
37 
38 /* ice specific segment */
39 
40 union ice_device_id {
41 	struct {
42 		__le16 device_id;
43 		__le16 vendor_id;
44 	} dev_vend_id;
45 	__le32 id;
46 };
47 
48 struct ice_device_id_entry {
49 	union ice_device_id device;
50 	union ice_device_id sub_device;
51 };
52 
53 struct ice_seg {
54 	struct ice_generic_seg_hdr hdr;
55 	__le32 device_table_count;
56 	struct ice_device_id_entry device_table[];
57 };
58 
59 struct ice_nvm_table {
60 	__le32 table_count;
61 	__le32 vers[];
62 };
63 
64 struct ice_buf {
65 #define ICE_PKG_BUF_SIZE	4096
66 	u8 buf[ICE_PKG_BUF_SIZE];
67 };
68 
69 struct ice_buf_table {
70 	__le32 buf_count;
71 	struct ice_buf buf_array[];
72 };
73 
74 /* global metadata specific segment */
75 struct ice_global_metadata_seg {
76 	struct ice_generic_seg_hdr hdr;
77 	struct ice_pkg_ver pkg_ver;
78 	__le32 rsvd;
79 	char pkg_name[ICE_PKG_NAME_SIZE];
80 };
81 
82 #define ICE_MIN_S_OFF		12
83 #define ICE_MAX_S_OFF		4095
84 #define ICE_MIN_S_SZ		1
85 #define ICE_MAX_S_SZ		4084
86 
87 /* section information */
88 struct ice_section_entry {
89 	__le32 type;
90 	__le16 offset;
91 	__le16 size;
92 };
93 
94 #define ICE_MIN_S_COUNT		1
95 #define ICE_MAX_S_COUNT		511
96 #define ICE_MIN_S_DATA_END	12
97 #define ICE_MAX_S_DATA_END	4096
98 
99 #define ICE_METADATA_BUF	0x80000000
100 
101 struct ice_buf_hdr {
102 	__le16 section_count;
103 	__le16 data_end;
104 	struct ice_section_entry section_entry[];
105 };
106 
107 #define ICE_MAX_ENTRIES_IN_BUF(hd_sz, ent_sz) ((ICE_PKG_BUF_SIZE - \
108 	struct_size((struct ice_buf_hdr *)0, section_entry, 1) - (hd_sz)) /\
109 	(ent_sz))
110 
111 /* ice package section IDs */
112 #define ICE_SID_METADATA		1
113 #define ICE_SID_XLT0_SW			10
114 #define ICE_SID_XLT_KEY_BUILDER_SW	11
115 #define ICE_SID_XLT1_SW			12
116 #define ICE_SID_XLT2_SW			13
117 #define ICE_SID_PROFID_TCAM_SW		14
118 #define ICE_SID_PROFID_REDIR_SW		15
119 #define ICE_SID_FLD_VEC_SW		16
120 #define ICE_SID_CDID_KEY_BUILDER_SW	17
121 
122 struct ice_meta_sect {
123 	struct ice_pkg_ver ver;
124 #define ICE_META_SECT_NAME_SIZE	28
125 	char name[ICE_META_SECT_NAME_SIZE];
126 	__le32 track_id;
127 };
128 
129 #define ICE_SID_CDID_REDIR_SW		18
130 
131 #define ICE_SID_XLT0_ACL		20
132 #define ICE_SID_XLT_KEY_BUILDER_ACL	21
133 #define ICE_SID_XLT1_ACL		22
134 #define ICE_SID_XLT2_ACL		23
135 #define ICE_SID_PROFID_TCAM_ACL		24
136 #define ICE_SID_PROFID_REDIR_ACL	25
137 #define ICE_SID_FLD_VEC_ACL		26
138 #define ICE_SID_CDID_KEY_BUILDER_ACL	27
139 #define ICE_SID_CDID_REDIR_ACL		28
140 
141 #define ICE_SID_XLT0_FD			30
142 #define ICE_SID_XLT_KEY_BUILDER_FD	31
143 #define ICE_SID_XLT1_FD			32
144 #define ICE_SID_XLT2_FD			33
145 #define ICE_SID_PROFID_TCAM_FD		34
146 #define ICE_SID_PROFID_REDIR_FD		35
147 #define ICE_SID_FLD_VEC_FD		36
148 #define ICE_SID_CDID_KEY_BUILDER_FD	37
149 #define ICE_SID_CDID_REDIR_FD		38
150 
151 #define ICE_SID_XLT0_RSS		40
152 #define ICE_SID_XLT_KEY_BUILDER_RSS	41
153 #define ICE_SID_XLT1_RSS		42
154 #define ICE_SID_XLT2_RSS		43
155 #define ICE_SID_PROFID_TCAM_RSS		44
156 #define ICE_SID_PROFID_REDIR_RSS	45
157 #define ICE_SID_FLD_VEC_RSS		46
158 #define ICE_SID_CDID_KEY_BUILDER_RSS	47
159 #define ICE_SID_CDID_REDIR_RSS		48
160 
161 #define ICE_SID_RXPARSER_BOOST_TCAM	56
162 #define ICE_SID_TXPARSER_BOOST_TCAM	66
163 
164 #define ICE_SID_XLT0_PE			80
165 #define ICE_SID_XLT_KEY_BUILDER_PE	81
166 #define ICE_SID_XLT1_PE			82
167 #define ICE_SID_XLT2_PE			83
168 #define ICE_SID_PROFID_TCAM_PE		84
169 #define ICE_SID_PROFID_REDIR_PE		85
170 #define ICE_SID_FLD_VEC_PE		86
171 #define ICE_SID_CDID_KEY_BUILDER_PE	87
172 #define ICE_SID_CDID_REDIR_PE		88
173 
174 /* Label Metadata section IDs */
175 #define ICE_SID_LBL_FIRST		0x80000010
176 #define ICE_SID_LBL_RXPARSER_TMEM	0x80000018
177 /* The following define MUST be updated to reflect the last label section ID */
178 #define ICE_SID_LBL_LAST		0x80000038
179 
180 enum ice_block {
181 	ICE_BLK_SW = 0,
182 	ICE_BLK_ACL,
183 	ICE_BLK_FD,
184 	ICE_BLK_RSS,
185 	ICE_BLK_PE,
186 	ICE_BLK_COUNT
187 };
188 
189 enum ice_sect {
190 	ICE_XLT0 = 0,
191 	ICE_XLT_KB,
192 	ICE_XLT1,
193 	ICE_XLT2,
194 	ICE_PROF_TCAM,
195 	ICE_PROF_REDIR,
196 	ICE_VEC_TBL,
197 	ICE_CDID_KB,
198 	ICE_CDID_REDIR,
199 	ICE_SECT_COUNT
200 };
201 
202 #define ICE_MAC_IPV4_GTPU_IPV4_FRAG	331
203 #define ICE_MAC_IPV4_GTPU_IPV4_PAY	332
204 #define ICE_MAC_IPV4_GTPU_IPV4_UDP_PAY	333
205 #define ICE_MAC_IPV4_GTPU_IPV4_TCP	334
206 #define ICE_MAC_IPV4_GTPU_IPV4_ICMP	335
207 #define ICE_MAC_IPV6_GTPU_IPV4_FRAG	336
208 #define ICE_MAC_IPV6_GTPU_IPV4_PAY	337
209 #define ICE_MAC_IPV6_GTPU_IPV4_UDP_PAY	338
210 #define ICE_MAC_IPV6_GTPU_IPV4_TCP	339
211 #define ICE_MAC_IPV6_GTPU_IPV4_ICMP	340
212 #define ICE_MAC_IPV4_GTPU_IPV6_FRAG	341
213 #define ICE_MAC_IPV4_GTPU_IPV6_PAY	342
214 #define ICE_MAC_IPV4_GTPU_IPV6_UDP_PAY	343
215 #define ICE_MAC_IPV4_GTPU_IPV6_TCP	344
216 #define ICE_MAC_IPV4_GTPU_IPV6_ICMPV6	345
217 #define ICE_MAC_IPV6_GTPU_IPV6_FRAG	346
218 #define ICE_MAC_IPV6_GTPU_IPV6_PAY	347
219 #define ICE_MAC_IPV6_GTPU_IPV6_UDP_PAY	348
220 #define ICE_MAC_IPV6_GTPU_IPV6_TCP	349
221 #define ICE_MAC_IPV6_GTPU_IPV6_ICMPV6	350
222 
223 /* Attributes that can modify PTYPE definitions.
224  *
225  * These values will represent special attributes for PTYPEs, which will
226  * resolve into metadata packet flags definitions that can be used in the TCAM
227  * for identifying a PTYPE with specific characteristics.
228  */
229 enum ice_ptype_attrib_type {
230 	/* GTP PTYPEs */
231 	ICE_PTYPE_ATTR_GTP_PDU_EH,
232 	ICE_PTYPE_ATTR_GTP_SESSION,
233 	ICE_PTYPE_ATTR_GTP_DOWNLINK,
234 	ICE_PTYPE_ATTR_GTP_UPLINK,
235 };
236 
237 struct ice_ptype_attrib_info {
238 	u16 flags;
239 	u16 mask;
240 };
241 
242 /* TCAM flag definitions */
243 #define ICE_GTP_PDU			BIT(14)
244 #define ICE_GTP_PDU_LINK		BIT(13)
245 
246 /* GTP attributes */
247 #define ICE_GTP_PDU_FLAG_MASK		(ICE_GTP_PDU)
248 #define ICE_GTP_PDU_EH			ICE_GTP_PDU
249 
250 #define ICE_GTP_FLAGS_MASK		(ICE_GTP_PDU | ICE_GTP_PDU_LINK)
251 #define ICE_GTP_SESSION			0
252 #define ICE_GTP_DOWNLINK		ICE_GTP_PDU
253 #define ICE_GTP_UPLINK			(ICE_GTP_PDU | ICE_GTP_PDU_LINK)
254 
255 struct ice_ptype_attributes {
256 	u16 ptype;
257 	enum ice_ptype_attrib_type attrib;
258 };
259 
260 /* package labels */
261 struct ice_label {
262 	__le16 value;
263 #define ICE_PKG_LABEL_SIZE	64
264 	char name[ICE_PKG_LABEL_SIZE];
265 };
266 
267 struct ice_label_section {
268 	__le16 count;
269 	struct ice_label label[];
270 };
271 
272 #define ICE_MAX_LABELS_IN_BUF ICE_MAX_ENTRIES_IN_BUF( \
273 	struct_size((struct ice_label_section *)0, label, 1) - \
274 	sizeof(struct ice_label), sizeof(struct ice_label))
275 
276 struct ice_sw_fv_section {
277 	__le16 count;
278 	__le16 base_offset;
279 	struct ice_fv fv[];
280 };
281 
282 /* The BOOST TCAM stores the match packet header in reverse order, meaning
283  * the fields are reversed; in addition, this means that the normally big endian
284  * fields of the packet are now little endian.
285  */
286 struct ice_boost_key_value {
287 #define ICE_BOOST_REMAINING_HV_KEY	15
288 	u8 remaining_hv_key[ICE_BOOST_REMAINING_HV_KEY];
289 	__le16 hv_dst_port_key;
290 	__le16 hv_src_port_key;
291 	u8 tcam_search_key;
292 } __packed;
293 
294 struct ice_boost_key {
295 	struct ice_boost_key_value key;
296 	struct ice_boost_key_value key2;
297 };
298 
299 /* package Boost TCAM entry */
300 struct ice_boost_tcam_entry {
301 	__le16 addr;
302 	__le16 reserved;
303 	/* break up the 40 bytes of key into different fields */
304 	struct ice_boost_key key;
305 	u8 boost_hit_index_group;
306 	/* The following contains bitfields which are not on byte boundaries.
307 	 * These fields are currently unused by driver software.
308 	 */
309 #define ICE_BOOST_BIT_FIELDS		43
310 	u8 bit_fields[ICE_BOOST_BIT_FIELDS];
311 };
312 
313 struct ice_boost_tcam_section {
314 	__le16 count;
315 	__le16 reserved;
316 	struct ice_boost_tcam_entry tcam[];
317 };
318 
319 #define ICE_MAX_BST_TCAMS_IN_BUF ICE_MAX_ENTRIES_IN_BUF( \
320 	struct_size((struct ice_boost_tcam_section *)0, tcam, 1) - \
321 	sizeof(struct ice_boost_tcam_entry), \
322 	sizeof(struct ice_boost_tcam_entry))
323 
324 struct ice_xlt1_section {
325 	__le16 count;
326 	__le16 offset;
327 	u8 value[];
328 };
329 
330 struct ice_xlt2_section {
331 	__le16 count;
332 	__le16 offset;
333 	__le16 value[];
334 };
335 
336 struct ice_prof_redir_section {
337 	__le16 count;
338 	__le16 offset;
339 	u8 redir_value[];
340 };
341 
342 /* package buffer building */
343 
344 struct ice_buf_build {
345 	struct ice_buf buf;
346 	u16 reserved_section_table_entries;
347 };
348 
349 struct ice_pkg_enum {
350 	struct ice_buf_table *buf_table;
351 	u32 buf_idx;
352 
353 	u32 type;
354 	struct ice_buf_hdr *buf;
355 	u32 sect_idx;
356 	void *sect;
357 	u32 sect_type;
358 
359 	u32 entry_idx;
360 	void *(*handler)(u32 sect_type, void *section, u32 index, u32 *offset);
361 };
362 
363 /* Tunnel enabling */
364 
365 enum ice_tunnel_type {
366 	TNL_VXLAN = 0,
367 	TNL_GENEVE,
368 	__TNL_TYPE_CNT,
369 	TNL_LAST = 0xFF,
370 	TNL_ALL = 0xFF,
371 };
372 
373 struct ice_tunnel_type_scan {
374 	enum ice_tunnel_type type;
375 	const char *label_prefix;
376 };
377 
378 struct ice_tunnel_entry {
379 	enum ice_tunnel_type type;
380 	u16 boost_addr;
381 	u16 port;
382 	struct ice_boost_tcam_entry *boost_entry;
383 	u8 valid;
384 };
385 
386 #define ICE_TUNNEL_MAX_ENTRIES	16
387 
388 struct ice_tunnel_table {
389 	struct ice_tunnel_entry tbl[ICE_TUNNEL_MAX_ENTRIES];
390 	u16 count;
391 	u16 valid_count[__TNL_TYPE_CNT];
392 };
393 
394 struct ice_pkg_es {
395 	__le16 count;
396 	__le16 offset;
397 	struct ice_fv_word es[];
398 };
399 
400 struct ice_es {
401 	u32 sid;
402 	u16 count;
403 	u16 fvw;
404 	u16 *ref_count;
405 	u32 *mask_ena;
406 	struct list_head prof_map;
407 	struct ice_fv_word *t;
408 	struct mutex prof_map_lock;	/* protect access to profiles list */
409 	u8 *written;
410 	u8 reverse; /* set to true to reverse FV order */
411 };
412 
413 /* PTYPE Group management */
414 
415 /* Note: XLT1 table takes 13-bit as input, and results in an 8-bit packet type
416  * group (PTG) ID as output.
417  *
418  * Note: PTG 0 is the default packet type group and it is assumed that all PTYPE
419  * are a part of this group until moved to a new PTG.
420  */
421 #define ICE_DEFAULT_PTG	0
422 
423 struct ice_ptg_entry {
424 	struct ice_ptg_ptype *first_ptype;
425 	u8 in_use;
426 };
427 
428 struct ice_ptg_ptype {
429 	struct ice_ptg_ptype *next_ptype;
430 	u8 ptg;
431 };
432 
433 #define ICE_MAX_TCAM_PER_PROFILE	32
434 #define ICE_MAX_PTG_PER_PROFILE		32
435 
436 struct ice_prof_map {
437 	struct list_head list;
438 	u64 profile_cookie;
439 	u64 context;
440 	u8 prof_id;
441 	u8 ptg_cnt;
442 	u8 ptg[ICE_MAX_PTG_PER_PROFILE];
443 	struct ice_ptype_attrib_info attr[ICE_MAX_PTG_PER_PROFILE];
444 };
445 
446 #define ICE_INVALID_TCAM	0xFFFF
447 
448 struct ice_tcam_inf {
449 	u16 tcam_idx;
450 	struct ice_ptype_attrib_info attr;
451 	u8 ptg;
452 	u8 prof_id;
453 	u8 in_use;
454 };
455 
456 struct ice_vsig_prof {
457 	struct list_head list;
458 	u64 profile_cookie;
459 	u8 prof_id;
460 	u8 tcam_count;
461 	struct ice_tcam_inf tcam[ICE_MAX_TCAM_PER_PROFILE];
462 };
463 
464 struct ice_vsig_entry {
465 	struct list_head prop_lst;
466 	struct ice_vsig_vsi *first_vsi;
467 	u8 in_use;
468 };
469 
470 struct ice_vsig_vsi {
471 	struct ice_vsig_vsi *next_vsi;
472 	u32 prop_mask;
473 	u16 changed;
474 	u16 vsig;
475 };
476 
477 #define ICE_XLT1_CNT	1024
478 #define ICE_MAX_PTGS	256
479 
480 /* XLT1 Table */
481 struct ice_xlt1 {
482 	struct ice_ptg_entry *ptg_tbl;
483 	struct ice_ptg_ptype *ptypes;
484 	u8 *t;
485 	u32 sid;
486 	u16 count;
487 };
488 
489 #define ICE_XLT2_CNT	768
490 #define ICE_MAX_VSIGS	768
491 
492 /* VSIG bit layout:
493  * [0:12]: incremental VSIG index 1 to ICE_MAX_VSIGS
494  * [13:15]: PF number of device
495  */
496 #define ICE_VSIG_IDX_M	(0x1FFF)
497 #define ICE_PF_NUM_S	13
498 #define ICE_PF_NUM_M	(0x07 << ICE_PF_NUM_S)
499 #define ICE_VSIG_VALUE(vsig, pf_id) \
500 	((u16)((((u16)(vsig)) & ICE_VSIG_IDX_M) | \
501 	       (((u16)(pf_id) << ICE_PF_NUM_S) & ICE_PF_NUM_M)))
502 #define ICE_DEFAULT_VSIG	0
503 
504 /* XLT2 Table */
505 struct ice_xlt2 {
506 	struct ice_vsig_entry *vsig_tbl;
507 	struct ice_vsig_vsi *vsis;
508 	u16 *t;
509 	u32 sid;
510 	u16 count;
511 };
512 
513 /* Profile ID Management */
514 struct ice_prof_id_key {
515 	__le16 flags;
516 	u8 xlt1;
517 	__le16 xlt2_cdid;
518 } __packed;
519 
520 /* Keys are made up of two values, each one-half the size of the key.
521  * For TCAM, the entire key is 80 bits wide (or 2, 40-bit wide values)
522  */
523 #define ICE_TCAM_KEY_VAL_SZ	5
524 #define ICE_TCAM_KEY_SZ		(2 * ICE_TCAM_KEY_VAL_SZ)
525 
526 struct ice_prof_tcam_entry {
527 	__le16 addr;
528 	u8 key[ICE_TCAM_KEY_SZ];
529 	u8 prof_id;
530 } __packed;
531 
532 struct ice_prof_id_section {
533 	__le16 count;
534 	struct ice_prof_tcam_entry entry[];
535 };
536 
537 struct ice_prof_tcam {
538 	u32 sid;
539 	u16 count;
540 	u16 max_prof_id;
541 	struct ice_prof_tcam_entry *t;
542 	u8 cdid_bits; /* # CDID bits to use in key, 0, 2, 4, or 8 */
543 };
544 
545 struct ice_prof_redir {
546 	u8 *t;
547 	u32 sid;
548 	u16 count;
549 };
550 
551 struct ice_mask {
552 	u16 mask;	/* 16-bit mask */
553 	u16 idx;	/* index */
554 	u16 ref;	/* reference count */
555 	u8 in_use;	/* non-zero if used */
556 };
557 
558 struct ice_masks {
559 	struct mutex lock; /* lock to protect this structure */
560 	u16 first;	/* first mask owned by the PF */
561 	u16 count;	/* number of masks owned by the PF */
562 #define ICE_PROF_MASK_COUNT 32
563 	struct ice_mask masks[ICE_PROF_MASK_COUNT];
564 };
565 
566 /* Tables per block */
567 struct ice_blk_info {
568 	struct ice_xlt1 xlt1;
569 	struct ice_xlt2 xlt2;
570 	struct ice_prof_tcam prof;
571 	struct ice_prof_redir prof_redir;
572 	struct ice_es es;
573 	struct ice_masks masks;
574 	u8 overwrite; /* set to true to allow overwrite of table entries */
575 	u8 is_list_init;
576 };
577 
578 enum ice_chg_type {
579 	ICE_TCAM_NONE = 0,
580 	ICE_PTG_ES_ADD,
581 	ICE_TCAM_ADD,
582 	ICE_VSIG_ADD,
583 	ICE_VSIG_REM,
584 	ICE_VSI_MOVE,
585 };
586 
587 struct ice_chs_chg {
588 	struct list_head list_entry;
589 	enum ice_chg_type type;
590 
591 	u8 add_ptg;
592 	u8 add_vsig;
593 	u8 add_tcam_idx;
594 	u8 add_prof;
595 	u16 ptype;
596 	u8 ptg;
597 	u8 prof_id;
598 	u16 vsi;
599 	u16 vsig;
600 	u16 orig_vsig;
601 	u16 tcam_idx;
602 	struct ice_ptype_attrib_info attr;
603 };
604 
605 #define ICE_FLOW_PTYPE_MAX		ICE_XLT1_CNT
606 #endif /* _ICE_FLEX_TYPE_H_ */
607