1 /* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
2 /* Copyright 2013-2015 Freescale Semiconductor Inc.
3  */
4 #ifndef __FSL_DPKG_H_
5 #define __FSL_DPKG_H_
6 
7 #include <linux/types.h>
8 
9 /* Data Path Key Generator API
10  * Contains initialization APIs and runtime APIs for the Key Generator
11  */
12 
13 /** Key Generator properties */
14 
15 /**
16  * Number of masks per key extraction
17  */
18 #define DPKG_NUM_OF_MASKS		4
19 /**
20  * Number of extractions per key profile
21  */
22 #define DPKG_MAX_NUM_OF_EXTRACTS	10
23 
24 /**
25  * enum dpkg_extract_from_hdr_type - Selecting extraction by header types
26  * @DPKG_FROM_HDR: Extract selected bytes from header, by offset
27  * @DPKG_FROM_FIELD: Extract selected bytes from header, by offset from field
28  * @DPKG_FULL_FIELD: Extract a full field
29  */
30 enum dpkg_extract_from_hdr_type {
31 	DPKG_FROM_HDR = 0,
32 	DPKG_FROM_FIELD = 1,
33 	DPKG_FULL_FIELD = 2
34 };
35 
36 /**
37  * enum dpkg_extract_type - Enumeration for selecting extraction type
38  * @DPKG_EXTRACT_FROM_HDR: Extract from the header
39  * @DPKG_EXTRACT_FROM_DATA: Extract from data not in specific header
40  * @DPKG_EXTRACT_FROM_PARSE: Extract from parser-result;
41  *	e.g. can be used to extract header existence;
42  *	please refer to 'Parse Result definition' section in the parser BG
43  */
44 enum dpkg_extract_type {
45 	DPKG_EXTRACT_FROM_HDR = 0,
46 	DPKG_EXTRACT_FROM_DATA = 1,
47 	DPKG_EXTRACT_FROM_PARSE = 3
48 };
49 
50 /**
51  * struct dpkg_mask - A structure for defining a single extraction mask
52  * @mask: Byte mask for the extracted content
53  * @offset: Offset within the extracted content
54  */
55 struct dpkg_mask {
56 	u8 mask;
57 	u8 offset;
58 };
59 
60 /* Protocol fields */
61 
62 /* Ethernet fields */
63 #define NH_FLD_ETH_DA				BIT(0)
64 #define NH_FLD_ETH_SA				BIT(1)
65 #define NH_FLD_ETH_LENGTH			BIT(2)
66 #define NH_FLD_ETH_TYPE				BIT(3)
67 #define NH_FLD_ETH_FINAL_CKSUM			BIT(4)
68 #define NH_FLD_ETH_PADDING			BIT(5)
69 #define NH_FLD_ETH_ALL_FIELDS			(BIT(6) - 1)
70 
71 /* VLAN fields */
72 #define NH_FLD_VLAN_VPRI			BIT(0)
73 #define NH_FLD_VLAN_CFI				BIT(1)
74 #define NH_FLD_VLAN_VID				BIT(2)
75 #define NH_FLD_VLAN_LENGTH			BIT(3)
76 #define NH_FLD_VLAN_TYPE			BIT(4)
77 #define NH_FLD_VLAN_ALL_FIELDS			(BIT(5) - 1)
78 
79 #define NH_FLD_VLAN_TCI				(NH_FLD_VLAN_VPRI | \
80 						 NH_FLD_VLAN_CFI | \
81 						 NH_FLD_VLAN_VID)
82 
83 /* IP (generic) fields */
84 #define NH_FLD_IP_VER				BIT(0)
85 #define NH_FLD_IP_DSCP				BIT(2)
86 #define NH_FLD_IP_ECN				BIT(3)
87 #define NH_FLD_IP_PROTO				BIT(4)
88 #define NH_FLD_IP_SRC				BIT(5)
89 #define NH_FLD_IP_DST				BIT(6)
90 #define NH_FLD_IP_TOS_TC			BIT(7)
91 #define NH_FLD_IP_ID				BIT(8)
92 #define NH_FLD_IP_ALL_FIELDS			(BIT(9) - 1)
93 
94 /* IPV4 fields */
95 #define NH_FLD_IPV4_VER				BIT(0)
96 #define NH_FLD_IPV4_HDR_LEN			BIT(1)
97 #define NH_FLD_IPV4_TOS				BIT(2)
98 #define NH_FLD_IPV4_TOTAL_LEN			BIT(3)
99 #define NH_FLD_IPV4_ID				BIT(4)
100 #define NH_FLD_IPV4_FLAG_D			BIT(5)
101 #define NH_FLD_IPV4_FLAG_M			BIT(6)
102 #define NH_FLD_IPV4_OFFSET			BIT(7)
103 #define NH_FLD_IPV4_TTL				BIT(8)
104 #define NH_FLD_IPV4_PROTO			BIT(9)
105 #define NH_FLD_IPV4_CKSUM			BIT(10)
106 #define NH_FLD_IPV4_SRC_IP			BIT(11)
107 #define NH_FLD_IPV4_DST_IP			BIT(12)
108 #define NH_FLD_IPV4_OPTS			BIT(13)
109 #define NH_FLD_IPV4_OPTS_COUNT			BIT(14)
110 #define NH_FLD_IPV4_ALL_FIELDS			(BIT(15) - 1)
111 
112 /* IPV6 fields */
113 #define NH_FLD_IPV6_VER				BIT(0)
114 #define NH_FLD_IPV6_TC				BIT(1)
115 #define NH_FLD_IPV6_SRC_IP			BIT(2)
116 #define NH_FLD_IPV6_DST_IP			BIT(3)
117 #define NH_FLD_IPV6_NEXT_HDR			BIT(4)
118 #define NH_FLD_IPV6_FL				BIT(5)
119 #define NH_FLD_IPV6_HOP_LIMIT			BIT(6)
120 #define NH_FLD_IPV6_ID				BIT(7)
121 #define NH_FLD_IPV6_ALL_FIELDS			(BIT(8) - 1)
122 
123 /* ICMP fields */
124 #define NH_FLD_ICMP_TYPE			BIT(0)
125 #define NH_FLD_ICMP_CODE			BIT(1)
126 #define NH_FLD_ICMP_CKSUM			BIT(2)
127 #define NH_FLD_ICMP_ID				BIT(3)
128 #define NH_FLD_ICMP_SQ_NUM			BIT(4)
129 #define NH_FLD_ICMP_ALL_FIELDS			(BIT(5) - 1)
130 
131 /* IGMP fields */
132 #define NH_FLD_IGMP_VERSION			BIT(0)
133 #define NH_FLD_IGMP_TYPE			BIT(1)
134 #define NH_FLD_IGMP_CKSUM			BIT(2)
135 #define NH_FLD_IGMP_DATA			BIT(3)
136 #define NH_FLD_IGMP_ALL_FIELDS			(BIT(4) - 1)
137 
138 /* TCP fields */
139 #define NH_FLD_TCP_PORT_SRC			BIT(0)
140 #define NH_FLD_TCP_PORT_DST			BIT(1)
141 #define NH_FLD_TCP_SEQ				BIT(2)
142 #define NH_FLD_TCP_ACK				BIT(3)
143 #define NH_FLD_TCP_OFFSET			BIT(4)
144 #define NH_FLD_TCP_FLAGS			BIT(5)
145 #define NH_FLD_TCP_WINDOW			BIT(6)
146 #define NH_FLD_TCP_CKSUM			BIT(7)
147 #define NH_FLD_TCP_URGPTR			BIT(8)
148 #define NH_FLD_TCP_OPTS				BIT(9)
149 #define NH_FLD_TCP_OPTS_COUNT			BIT(10)
150 #define NH_FLD_TCP_ALL_FIELDS			(BIT(11) - 1)
151 
152 /* UDP fields */
153 #define NH_FLD_UDP_PORT_SRC			BIT(0)
154 #define NH_FLD_UDP_PORT_DST			BIT(1)
155 #define NH_FLD_UDP_LEN				BIT(2)
156 #define NH_FLD_UDP_CKSUM			BIT(3)
157 #define NH_FLD_UDP_ALL_FIELDS			(BIT(4) - 1)
158 
159 /* UDP-lite fields */
160 #define NH_FLD_UDP_LITE_PORT_SRC		BIT(0)
161 #define NH_FLD_UDP_LITE_PORT_DST		BIT(1)
162 #define NH_FLD_UDP_LITE_ALL_FIELDS		(BIT(2) - 1)
163 
164 /* UDP-encap-ESP fields */
165 #define NH_FLD_UDP_ENC_ESP_PORT_SRC		BIT(0)
166 #define NH_FLD_UDP_ENC_ESP_PORT_DST		BIT(1)
167 #define NH_FLD_UDP_ENC_ESP_LEN			BIT(2)
168 #define NH_FLD_UDP_ENC_ESP_CKSUM		BIT(3)
169 #define NH_FLD_UDP_ENC_ESP_SPI			BIT(4)
170 #define NH_FLD_UDP_ENC_ESP_SEQUENCE_NUM		BIT(5)
171 #define NH_FLD_UDP_ENC_ESP_ALL_FIELDS		(BIT(6) - 1)
172 
173 /* SCTP fields */
174 #define NH_FLD_SCTP_PORT_SRC			BIT(0)
175 #define NH_FLD_SCTP_PORT_DST			BIT(1)
176 #define NH_FLD_SCTP_VER_TAG			BIT(2)
177 #define NH_FLD_SCTP_CKSUM			BIT(3)
178 #define NH_FLD_SCTP_ALL_FIELDS			(BIT(4) - 1)
179 
180 /* DCCP fields */
181 #define NH_FLD_DCCP_PORT_SRC			BIT(0)
182 #define NH_FLD_DCCP_PORT_DST			BIT(1)
183 #define NH_FLD_DCCP_ALL_FIELDS			(BIT(2) - 1)
184 
185 /* IPHC fields */
186 #define NH_FLD_IPHC_CID				BIT(0)
187 #define NH_FLD_IPHC_CID_TYPE			BIT(1)
188 #define NH_FLD_IPHC_HCINDEX			BIT(2)
189 #define NH_FLD_IPHC_GEN				BIT(3)
190 #define NH_FLD_IPHC_D_BIT			BIT(4)
191 #define NH_FLD_IPHC_ALL_FIELDS			(BIT(5) - 1)
192 
193 /* SCTP fields */
194 #define NH_FLD_SCTP_CHUNK_DATA_TYPE		BIT(0)
195 #define NH_FLD_SCTP_CHUNK_DATA_FLAGS		BIT(1)
196 #define NH_FLD_SCTP_CHUNK_DATA_LENGTH		BIT(2)
197 #define NH_FLD_SCTP_CHUNK_DATA_TSN		BIT(3)
198 #define NH_FLD_SCTP_CHUNK_DATA_STREAM_ID	BIT(4)
199 #define NH_FLD_SCTP_CHUNK_DATA_STREAM_SQN	BIT(5)
200 #define NH_FLD_SCTP_CHUNK_DATA_PAYLOAD_PID	BIT(6)
201 #define NH_FLD_SCTP_CHUNK_DATA_UNORDERED	BIT(7)
202 #define NH_FLD_SCTP_CHUNK_DATA_BEGGINING	BIT(8)
203 #define NH_FLD_SCTP_CHUNK_DATA_END		BIT(9)
204 #define NH_FLD_SCTP_CHUNK_DATA_ALL_FIELDS	(BIT(10) - 1)
205 
206 /* L2TPV2 fields */
207 #define NH_FLD_L2TPV2_TYPE_BIT			BIT(0)
208 #define NH_FLD_L2TPV2_LENGTH_BIT		BIT(1)
209 #define NH_FLD_L2TPV2_SEQUENCE_BIT		BIT(2)
210 #define NH_FLD_L2TPV2_OFFSET_BIT		BIT(3)
211 #define NH_FLD_L2TPV2_PRIORITY_BIT		BIT(4)
212 #define NH_FLD_L2TPV2_VERSION			BIT(5)
213 #define NH_FLD_L2TPV2_LEN			BIT(6)
214 #define NH_FLD_L2TPV2_TUNNEL_ID			BIT(7)
215 #define NH_FLD_L2TPV2_SESSION_ID		BIT(8)
216 #define NH_FLD_L2TPV2_NS			BIT(9)
217 #define NH_FLD_L2TPV2_NR			BIT(10)
218 #define NH_FLD_L2TPV2_OFFSET_SIZE		BIT(11)
219 #define NH_FLD_L2TPV2_FIRST_BYTE		BIT(12)
220 #define NH_FLD_L2TPV2_ALL_FIELDS		(BIT(13) - 1)
221 
222 /* L2TPV3 fields */
223 #define NH_FLD_L2TPV3_CTRL_TYPE_BIT		BIT(0)
224 #define NH_FLD_L2TPV3_CTRL_LENGTH_BIT		BIT(1)
225 #define NH_FLD_L2TPV3_CTRL_SEQUENCE_BIT		BIT(2)
226 #define NH_FLD_L2TPV3_CTRL_VERSION		BIT(3)
227 #define NH_FLD_L2TPV3_CTRL_LENGTH		BIT(4)
228 #define NH_FLD_L2TPV3_CTRL_CONTROL		BIT(5)
229 #define NH_FLD_L2TPV3_CTRL_SENT			BIT(6)
230 #define NH_FLD_L2TPV3_CTRL_RECV			BIT(7)
231 #define NH_FLD_L2TPV3_CTRL_FIRST_BYTE		BIT(8)
232 #define NH_FLD_L2TPV3_CTRL_ALL_FIELDS		(BIT(9) - 1)
233 
234 #define NH_FLD_L2TPV3_SESS_TYPE_BIT		BIT(0)
235 #define NH_FLD_L2TPV3_SESS_VERSION		BIT(1)
236 #define NH_FLD_L2TPV3_SESS_ID			BIT(2)
237 #define NH_FLD_L2TPV3_SESS_COOKIE		BIT(3)
238 #define NH_FLD_L2TPV3_SESS_ALL_FIELDS		(BIT(4) - 1)
239 
240 /* PPP fields */
241 #define NH_FLD_PPP_PID				BIT(0)
242 #define NH_FLD_PPP_COMPRESSED			BIT(1)
243 #define NH_FLD_PPP_ALL_FIELDS			(BIT(2) - 1)
244 
245 /* PPPoE fields */
246 #define NH_FLD_PPPOE_VER			BIT(0)
247 #define NH_FLD_PPPOE_TYPE			BIT(1)
248 #define NH_FLD_PPPOE_CODE			BIT(2)
249 #define NH_FLD_PPPOE_SID			BIT(3)
250 #define NH_FLD_PPPOE_LEN			BIT(4)
251 #define NH_FLD_PPPOE_SESSION			BIT(5)
252 #define NH_FLD_PPPOE_PID			BIT(6)
253 #define NH_FLD_PPPOE_ALL_FIELDS			(BIT(7) - 1)
254 
255 /* PPP-Mux fields */
256 #define NH_FLD_PPPMUX_PID			BIT(0)
257 #define NH_FLD_PPPMUX_CKSUM			BIT(1)
258 #define NH_FLD_PPPMUX_COMPRESSED		BIT(2)
259 #define NH_FLD_PPPMUX_ALL_FIELDS		(BIT(3) - 1)
260 
261 /* PPP-Mux sub-frame fields */
262 #define NH_FLD_PPPMUX_SUBFRM_PFF		BIT(0)
263 #define NH_FLD_PPPMUX_SUBFRM_LXT		BIT(1)
264 #define NH_FLD_PPPMUX_SUBFRM_LEN		BIT(2)
265 #define NH_FLD_PPPMUX_SUBFRM_PID		BIT(3)
266 #define NH_FLD_PPPMUX_SUBFRM_USE_PID		BIT(4)
267 #define NH_FLD_PPPMUX_SUBFRM_ALL_FIELDS		(BIT(5) - 1)
268 
269 /* LLC fields */
270 #define NH_FLD_LLC_DSAP				BIT(0)
271 #define NH_FLD_LLC_SSAP				BIT(1)
272 #define NH_FLD_LLC_CTRL				BIT(2)
273 #define NH_FLD_LLC_ALL_FIELDS			(BIT(3) - 1)
274 
275 /* NLPID fields */
276 #define NH_FLD_NLPID_NLPID			BIT(0)
277 #define NH_FLD_NLPID_ALL_FIELDS			(BIT(1) - 1)
278 
279 /* SNAP fields */
280 #define NH_FLD_SNAP_OUI				BIT(0)
281 #define NH_FLD_SNAP_PID				BIT(1)
282 #define NH_FLD_SNAP_ALL_FIELDS			(BIT(2) - 1)
283 
284 /* LLC SNAP fields */
285 #define NH_FLD_LLC_SNAP_TYPE			BIT(0)
286 #define NH_FLD_LLC_SNAP_ALL_FIELDS		(BIT(1) - 1)
287 
288 /* ARP fields */
289 #define NH_FLD_ARP_HTYPE			BIT(0)
290 #define NH_FLD_ARP_PTYPE			BIT(1)
291 #define NH_FLD_ARP_HLEN				BIT(2)
292 #define NH_FLD_ARP_PLEN				BIT(3)
293 #define NH_FLD_ARP_OPER				BIT(4)
294 #define NH_FLD_ARP_SHA				BIT(5)
295 #define NH_FLD_ARP_SPA				BIT(6)
296 #define NH_FLD_ARP_THA				BIT(7)
297 #define NH_FLD_ARP_TPA				BIT(8)
298 #define NH_FLD_ARP_ALL_FIELDS			(BIT(9) - 1)
299 
300 /* RFC2684 fields */
301 #define NH_FLD_RFC2684_LLC			BIT(0)
302 #define NH_FLD_RFC2684_NLPID			BIT(1)
303 #define NH_FLD_RFC2684_OUI			BIT(2)
304 #define NH_FLD_RFC2684_PID			BIT(3)
305 #define NH_FLD_RFC2684_VPN_OUI			BIT(4)
306 #define NH_FLD_RFC2684_VPN_IDX			BIT(5)
307 #define NH_FLD_RFC2684_ALL_FIELDS		(BIT(6) - 1)
308 
309 /* User defined fields */
310 #define NH_FLD_USER_DEFINED_SRCPORT		BIT(0)
311 #define NH_FLD_USER_DEFINED_PCDID		BIT(1)
312 #define NH_FLD_USER_DEFINED_ALL_FIELDS		(BIT(2) - 1)
313 
314 /* Payload fields */
315 #define NH_FLD_PAYLOAD_BUFFER			BIT(0)
316 #define NH_FLD_PAYLOAD_SIZE			BIT(1)
317 #define NH_FLD_MAX_FRM_SIZE			BIT(2)
318 #define NH_FLD_MIN_FRM_SIZE			BIT(3)
319 #define NH_FLD_PAYLOAD_TYPE			BIT(4)
320 #define NH_FLD_FRAME_SIZE			BIT(5)
321 #define NH_FLD_PAYLOAD_ALL_FIELDS		(BIT(6) - 1)
322 
323 /* GRE fields */
324 #define NH_FLD_GRE_TYPE				BIT(0)
325 #define NH_FLD_GRE_ALL_FIELDS			(BIT(1) - 1)
326 
327 /* MINENCAP fields */
328 #define NH_FLD_MINENCAP_SRC_IP			BIT(0)
329 #define NH_FLD_MINENCAP_DST_IP			BIT(1)
330 #define NH_FLD_MINENCAP_TYPE			BIT(2)
331 #define NH_FLD_MINENCAP_ALL_FIELDS		(BIT(3) - 1)
332 
333 /* IPSEC AH fields */
334 #define NH_FLD_IPSEC_AH_SPI			BIT(0)
335 #define NH_FLD_IPSEC_AH_NH			BIT(1)
336 #define NH_FLD_IPSEC_AH_ALL_FIELDS		(BIT(2) - 1)
337 
338 /* IPSEC ESP fields */
339 #define NH_FLD_IPSEC_ESP_SPI			BIT(0)
340 #define NH_FLD_IPSEC_ESP_SEQUENCE_NUM		BIT(1)
341 #define NH_FLD_IPSEC_ESP_ALL_FIELDS		(BIT(2) - 1)
342 
343 /* MPLS fields */
344 #define NH_FLD_MPLS_LABEL_STACK			BIT(0)
345 #define NH_FLD_MPLS_LABEL_STACK_ALL_FIELDS	(BIT(1) - 1)
346 
347 /* MACSEC fields */
348 #define NH_FLD_MACSEC_SECTAG			BIT(0)
349 #define NH_FLD_MACSEC_ALL_FIELDS		(BIT(1) - 1)
350 
351 /* GTP fields */
352 #define NH_FLD_GTP_TEID				BIT(0)
353 
354 /* Supported protocols */
355 enum net_prot {
356 	NET_PROT_NONE = 0,
357 	NET_PROT_PAYLOAD,
358 	NET_PROT_ETH,
359 	NET_PROT_VLAN,
360 	NET_PROT_IPV4,
361 	NET_PROT_IPV6,
362 	NET_PROT_IP,
363 	NET_PROT_TCP,
364 	NET_PROT_UDP,
365 	NET_PROT_UDP_LITE,
366 	NET_PROT_IPHC,
367 	NET_PROT_SCTP,
368 	NET_PROT_SCTP_CHUNK_DATA,
369 	NET_PROT_PPPOE,
370 	NET_PROT_PPP,
371 	NET_PROT_PPPMUX,
372 	NET_PROT_PPPMUX_SUBFRM,
373 	NET_PROT_L2TPV2,
374 	NET_PROT_L2TPV3_CTRL,
375 	NET_PROT_L2TPV3_SESS,
376 	NET_PROT_LLC,
377 	NET_PROT_LLC_SNAP,
378 	NET_PROT_NLPID,
379 	NET_PROT_SNAP,
380 	NET_PROT_MPLS,
381 	NET_PROT_IPSEC_AH,
382 	NET_PROT_IPSEC_ESP,
383 	NET_PROT_UDP_ENC_ESP, /* RFC 3948 */
384 	NET_PROT_MACSEC,
385 	NET_PROT_GRE,
386 	NET_PROT_MINENCAP,
387 	NET_PROT_DCCP,
388 	NET_PROT_ICMP,
389 	NET_PROT_IGMP,
390 	NET_PROT_ARP,
391 	NET_PROT_CAPWAP_DATA,
392 	NET_PROT_CAPWAP_CTRL,
393 	NET_PROT_RFC2684,
394 	NET_PROT_ICMPV6,
395 	NET_PROT_FCOE,
396 	NET_PROT_FIP,
397 	NET_PROT_ISCSI,
398 	NET_PROT_GTP,
399 	NET_PROT_USER_DEFINED_L2,
400 	NET_PROT_USER_DEFINED_L3,
401 	NET_PROT_USER_DEFINED_L4,
402 	NET_PROT_USER_DEFINED_L5,
403 	NET_PROT_USER_DEFINED_SHIM1,
404 	NET_PROT_USER_DEFINED_SHIM2,
405 
406 	NET_PROT_DUMMY_LAST
407 };
408 
409 /**
410  * struct dpkg_extract - A structure for defining a single extraction
411  * @type: Determines how the union below is interpreted:
412  *	DPKG_EXTRACT_FROM_HDR: selects 'from_hdr';
413  *	DPKG_EXTRACT_FROM_DATA: selects 'from_data';
414  *	DPKG_EXTRACT_FROM_PARSE: selects 'from_parse'
415  * @extract: Selects extraction method
416  * @extract.from_hdr: Used when 'type = DPKG_EXTRACT_FROM_HDR'
417  * @extract.from_data: Used when 'type = DPKG_EXTRACT_FROM_DATA'
418  * @extract.from_parse:  Used when 'type = DPKG_EXTRACT_FROM_PARSE'
419  * @extract.from_hdr.prot: Any of the supported headers
420  * @extract.from_hdr.type: Defines the type of header extraction:
421  *	DPKG_FROM_HDR: use size & offset below;
422  *	DPKG_FROM_FIELD: use field, size and offset below;
423  *	DPKG_FULL_FIELD: use field below
424  * @extract.from_hdr.field: One of the supported fields (NH_FLD_)
425  * @extract.from_hdr.size: Size in bytes
426  * @extract.from_hdr.offset: Byte offset
427  * @extract.from_hdr.hdr_index: Clear for cases not listed below;
428  *	Used for protocols that may have more than a single
429  *	header, 0 indicates an outer header;
430  *	Supported protocols (possible values):
431  *	NET_PROT_VLAN (0, HDR_INDEX_LAST);
432  *	NET_PROT_MPLS (0, 1, HDR_INDEX_LAST);
433  *	NET_PROT_IP(0, HDR_INDEX_LAST);
434  *	NET_PROT_IPv4(0, HDR_INDEX_LAST);
435  *	NET_PROT_IPv6(0, HDR_INDEX_LAST);
436  * @extract.from_data.size: Size in bytes
437  * @extract.from_data.offset: Byte offset
438  * @extract.from_parse.size: Size in bytes
439  * @extract.from_parse.offset: Byte offset
440  * @num_of_byte_masks: Defines the number of valid entries in the array below;
441  *		This is	also the number of bytes to be used as masks
442  * @masks: Masks parameters
443  */
444 struct dpkg_extract {
445 	enum dpkg_extract_type type;
446 	union {
447 		struct {
448 			enum net_prot			prot;
449 			enum dpkg_extract_from_hdr_type type;
450 			u32			field;
451 			u8			size;
452 			u8			offset;
453 			u8			hdr_index;
454 		} from_hdr;
455 		struct {
456 			u8 size;
457 			u8 offset;
458 		} from_data;
459 		struct {
460 			u8 size;
461 			u8 offset;
462 		} from_parse;
463 	} extract;
464 
465 	u8		num_of_byte_masks;
466 	struct dpkg_mask	masks[DPKG_NUM_OF_MASKS];
467 };
468 
469 /**
470  * struct dpkg_profile_cfg - A structure for defining a full Key Generation
471  *				profile (rule)
472  * @num_extracts: Defines the number of valid entries in the array below
473  * @extracts: Array of required extractions
474  */
475 struct dpkg_profile_cfg {
476 	u8 num_extracts;
477 	struct dpkg_extract extracts[DPKG_MAX_NUM_OF_EXTRACTS];
478 };
479 
480 #endif /* __FSL_DPKG_H_ */
481