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Merge tag 'platform-drivers-x86-v6.9-3' of git://git.kernel.org/pub/scm/linux/kernel...
[linux-block.git] / drivers / net / ethernet / intel / ice / ice_switch.c
CommitLineData
9c20346b
AV		 1// SPDX-License-Identifier: GPL-2.0
2/* Copyright (c) 2018, Intel Corporation. */
3
348048e7 4#include "ice_lib.h"
9c20346b
AV		 5#include "ice_switch.h"
6
9daf8208
AV		 7#define ICE_ETH_DA_OFFSET 0
8#define ICE_ETH_ETHTYPE_OFFSET 12
9#define ICE_ETH_VLAN_TCI_OFFSET 14
10#define ICE_MAX_VLAN_ID 0xFFF
0f94570d 11#define ICE_IPV6_ETHER_ID 0x86DD
9daf8208
AV		 12
13/* Dummy ethernet header needed in the ice_aqc_sw_rules_elem
14 * struct to configure any switch filter rules.
15 * {DA (6 bytes), SA(6 bytes),
16 * Ether type (2 bytes for header without VLAN tag) OR
17 * VLAN tag (4 bytes for header with VLAN tag) }
18 *
19 * Word on Hardcoded values
20 * byte 0 = 0x2: to identify it as locally administered DA MAC
21 * byte 6 = 0x2: to identify it as locally administered SA MAC
22 * byte 12 = 0x81 & byte 13 = 0x00:
23ccae5c
DE		 23 * In case of VLAN filter first two bytes defines ether type (0x8100)
24 * and remaining two bytes are placeholder for programming a given VLAN ID
25 * In case of Ether type filter it is treated as header without VLAN tag
26 * and byte 12 and 13 is used to program a given Ether type instead
9daf8208 27 */
9daf8208
AV		 28static const u8 dummy_eth_header[DUMMY_ETH_HDR_LEN] = { 0x2, 0, 0, 0, 0, 0,
29 0x2, 0, 0, 0, 0, 0,
30 0x81, 0, 0, 0};
31
e33163a4 32enum {
26395726
MSM		 33 ICE_PKT_OUTER_IPV6 = BIT(0),
34 ICE_PKT_TUN_GTPC = BIT(1),
35 ICE_PKT_TUN_GTPU = BIT(2),
36 ICE_PKT_TUN_NVGRE = BIT(3),
37 ICE_PKT_TUN_UDP = BIT(4),
38 ICE_PKT_INNER_IPV6 = BIT(5),
39 ICE_PKT_INNER_TCP = BIT(6),
40 ICE_PKT_INNER_UDP = BIT(7),
41 ICE_PKT_GTP_NOPAY = BIT(8),
42 ICE_PKT_KMALLOC = BIT(9),
cd8efeee 43 ICE_PKT_PPPOE = BIT(10),
cd634549 44 ICE_PKT_L2TPV3 = BIT(11),
e33163a4
AL		 45};
46
0f94570d
GK		 47struct ice_dummy_pkt_offsets {
48 enum ice_protocol_type type;
49 u16 offset; /* ICE_PROTOCOL_LAST indicates end of list */
50};
51
1b699f81
AL		 52struct ice_dummy_pkt_profile {
53 const struct ice_dummy_pkt_offsets *offsets;
54 const u8 *pkt;
e33163a4 55 u32 match;
1b699f81 56 u16 pkt_len;
26395726 57 u16 offsets_len;
1b699f81
AL		 58};
59
26395726
MSM		 60#define ICE_DECLARE_PKT_OFFSETS(type) \
61 static const struct ice_dummy_pkt_offsets \
07a28842
AL		 62 ice_dummy_##type##_packet_offsets[]
63
26395726 64#define ICE_DECLARE_PKT_TEMPLATE(type) \
07a28842
AL		 65 static const u8 ice_dummy_##type##_packet[]
66
26395726
MSM		 67#define ICE_PKT_PROFILE(type, m) { \
68 .match = (m), \
69 .pkt = ice_dummy_##type##_packet, \
70 .pkt_len = sizeof(ice_dummy_##type##_packet), \
71 .offsets = ice_dummy_##type##_packet_offsets, \
72 .offsets_len = sizeof(ice_dummy_##type##_packet_offsets), \
e33163a4 73}
1b699f81 74
26395726
MSM		 75ICE_DECLARE_PKT_OFFSETS(vlan) = {
76 { ICE_VLAN_OFOS, 12 },
77};
78
79ICE_DECLARE_PKT_TEMPLATE(vlan) = {
80 0x81, 0x00, 0x00, 0x00, /* ICE_VLAN_OFOS 12 */
81};
82
83ICE_DECLARE_PKT_OFFSETS(qinq) = {
84 { ICE_VLAN_EX, 12 },
85 { ICE_VLAN_IN, 16 },
86};
87
88ICE_DECLARE_PKT_TEMPLATE(qinq) = {
89 0x91, 0x00, 0x00, 0x00, /* ICE_VLAN_EX 12 */
90 0x81, 0x00, 0x00, 0x00, /* ICE_VLAN_IN 16 */
91};
92
07a28842 93ICE_DECLARE_PKT_OFFSETS(gre_tcp) = {
f0a35040
MS		 94 { ICE_MAC_OFOS, 0 },
95 { ICE_ETYPE_OL, 12 },
96 { ICE_IPV4_OFOS, 14 },
97 { ICE_NVGRE, 34 },
98 { ICE_MAC_IL, 42 },
34a89775 99 { ICE_ETYPE_IL, 54 },
f0a35040
MS		 100 { ICE_IPV4_IL, 56 },
101 { ICE_TCP_IL, 76 },
102 { ICE_PROTOCOL_LAST, 0 },
103};
104
07a28842 105ICE_DECLARE_PKT_TEMPLATE(gre_tcp) = {
f0a35040
MS		 106 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
107 0x00, 0x00, 0x00, 0x00,
108 0x00, 0x00, 0x00, 0x00,
109
110 0x08, 0x00, /* ICE_ETYPE_OL 12 */
111
112 0x45, 0x00, 0x00, 0x3E, /* ICE_IPV4_OFOS 14 */
113 0x00, 0x00, 0x00, 0x00,
114 0x00, 0x2F, 0x00, 0x00,
115 0x00, 0x00, 0x00, 0x00,
116 0x00, 0x00, 0x00, 0x00,
117
118 0x80, 0x00, 0x65, 0x58, /* ICE_NVGRE 34 */
119 0x00, 0x00, 0x00, 0x00,
120
121 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_IL 42 */
122 0x00, 0x00, 0x00, 0x00,
123 0x00, 0x00, 0x00, 0x00,
34a89775
MSM		 124
125 0x08, 0x00, /* ICE_ETYPE_IL 54 */
f0a35040
MS		 126
127 0x45, 0x00, 0x00, 0x14, /* ICE_IPV4_IL 56 */
128 0x00, 0x00, 0x00, 0x00,
129 0x00, 0x06, 0x00, 0x00,
130 0x00, 0x00, 0x00, 0x00,
131 0x00, 0x00, 0x00, 0x00,
132
133 0x00, 0x00, 0x00, 0x00, /* ICE_TCP_IL 76 */
134 0x00, 0x00, 0x00, 0x00,
135 0x00, 0x00, 0x00, 0x00,
136 0x50, 0x02, 0x20, 0x00,
137 0x00, 0x00, 0x00, 0x00
138};
139
07a28842 140ICE_DECLARE_PKT_OFFSETS(gre_udp) = {
f0a35040
MS		 141 { ICE_MAC_OFOS, 0 },
142 { ICE_ETYPE_OL, 12 },
143 { ICE_IPV4_OFOS, 14 },
144 { ICE_NVGRE, 34 },
145 { ICE_MAC_IL, 42 },
34a89775 146 { ICE_ETYPE_IL, 54 },
f0a35040
MS		 147 { ICE_IPV4_IL, 56 },
148 { ICE_UDP_ILOS, 76 },
149 { ICE_PROTOCOL_LAST, 0 },
150};
151
07a28842 152ICE_DECLARE_PKT_TEMPLATE(gre_udp) = {
f0a35040
MS		 153 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
154 0x00, 0x00, 0x00, 0x00,
155 0x00, 0x00, 0x00, 0x00,
156
157 0x08, 0x00, /* ICE_ETYPE_OL 12 */
158
159 0x45, 0x00, 0x00, 0x3E, /* ICE_IPV4_OFOS 14 */
160 0x00, 0x00, 0x00, 0x00,
161 0x00, 0x2F, 0x00, 0x00,
162 0x00, 0x00, 0x00, 0x00,
163 0x00, 0x00, 0x00, 0x00,
164
165 0x80, 0x00, 0x65, 0x58, /* ICE_NVGRE 34 */
166 0x00, 0x00, 0x00, 0x00,
167
168 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_IL 42 */
169 0x00, 0x00, 0x00, 0x00,
170 0x00, 0x00, 0x00, 0x00,
34a89775
MSM		 171
172 0x08, 0x00, /* ICE_ETYPE_IL 54 */
f0a35040
MS		 173
174 0x45, 0x00, 0x00, 0x14, /* ICE_IPV4_IL 56 */
175 0x00, 0x00, 0x00, 0x00,
176 0x00, 0x11, 0x00, 0x00,
177 0x00, 0x00, 0x00, 0x00,
178 0x00, 0x00, 0x00, 0x00,
179
180 0x00, 0x00, 0x00, 0x00, /* ICE_UDP_ILOS 76 */
181 0x00, 0x08, 0x00, 0x00,
182};
183
07a28842 184ICE_DECLARE_PKT_OFFSETS(udp_tun_tcp) = {
8b032a55
MS		 185 { ICE_MAC_OFOS, 0 },
186 { ICE_ETYPE_OL, 12 },
187 { ICE_IPV4_OFOS, 14 },
188 { ICE_UDP_OF, 34 },
189 { ICE_VXLAN, 42 },
190 { ICE_GENEVE, 42 },
191 { ICE_VXLAN_GPE, 42 },
192 { ICE_MAC_IL, 50 },
34a89775 193 { ICE_ETYPE_IL, 62 },
8b032a55
MS		 194 { ICE_IPV4_IL, 64 },
195 { ICE_TCP_IL, 84 },
196 { ICE_PROTOCOL_LAST, 0 },
197};
198
07a28842 199ICE_DECLARE_PKT_TEMPLATE(udp_tun_tcp) = {
8b032a55
MS		 200 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
201 0x00, 0x00, 0x00, 0x00,
202 0x00, 0x00, 0x00, 0x00,
203
204 0x08, 0x00, /* ICE_ETYPE_OL 12 */
205
206 0x45, 0x00, 0x00, 0x5a, /* ICE_IPV4_OFOS 14 */
207 0x00, 0x01, 0x00, 0x00,
208 0x40, 0x11, 0x00, 0x00,
209 0x00, 0x00, 0x00, 0x00,
210 0x00, 0x00, 0x00, 0x00,
211
212 0x00, 0x00, 0x12, 0xb5, /* ICE_UDP_OF 34 */
213 0x00, 0x46, 0x00, 0x00,
214
215 0x00, 0x00, 0x65, 0x58, /* ICE_VXLAN 42 */
216 0x00, 0x00, 0x00, 0x00,
217
218 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_IL 50 */
219 0x00, 0x00, 0x00, 0x00,
220 0x00, 0x00, 0x00, 0x00,
34a89775
MSM		 221
222 0x08, 0x00, /* ICE_ETYPE_IL 62 */
8b032a55
MS		 223
224 0x45, 0x00, 0x00, 0x28, /* ICE_IPV4_IL 64 */
225 0x00, 0x01, 0x00, 0x00,
226 0x40, 0x06, 0x00, 0x00,
227 0x00, 0x00, 0x00, 0x00,
228 0x00, 0x00, 0x00, 0x00,
229
230 0x00, 0x00, 0x00, 0x00, /* ICE_TCP_IL 84 */
231 0x00, 0x00, 0x00, 0x00,
232 0x00, 0x00, 0x00, 0x00,
233 0x50, 0x02, 0x20, 0x00,
234 0x00, 0x00, 0x00, 0x00
235};
236
07a28842 237ICE_DECLARE_PKT_OFFSETS(udp_tun_udp) = {
8b032a55
MS		 238 { ICE_MAC_OFOS, 0 },
239 { ICE_ETYPE_OL, 12 },
240 { ICE_IPV4_OFOS, 14 },
241 { ICE_UDP_OF, 34 },
242 { ICE_VXLAN, 42 },
243 { ICE_GENEVE, 42 },
244 { ICE_VXLAN_GPE, 42 },
245 { ICE_MAC_IL, 50 },
34a89775 246 { ICE_ETYPE_IL, 62 },
8b032a55
MS		 247 { ICE_IPV4_IL, 64 },
248 { ICE_UDP_ILOS, 84 },
249 { ICE_PROTOCOL_LAST, 0 },
250};
251
07a28842 252ICE_DECLARE_PKT_TEMPLATE(udp_tun_udp) = {
8b032a55
MS		 253 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
254 0x00, 0x00, 0x00, 0x00,
255 0x00, 0x00, 0x00, 0x00,
256
257 0x08, 0x00, /* ICE_ETYPE_OL 12 */
258
259 0x45, 0x00, 0x00, 0x4e, /* ICE_IPV4_OFOS 14 */
260 0x00, 0x01, 0x00, 0x00,
261 0x00, 0x11, 0x00, 0x00,
262 0x00, 0x00, 0x00, 0x00,
263 0x00, 0x00, 0x00, 0x00,
264
265 0x00, 0x00, 0x12, 0xb5, /* ICE_UDP_OF 34 */
266 0x00, 0x3a, 0x00, 0x00,
267
268 0x00, 0x00, 0x65, 0x58, /* ICE_VXLAN 42 */
269 0x00, 0x00, 0x00, 0x00,
270
271 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_IL 50 */
272 0x00, 0x00, 0x00, 0x00,
273 0x00, 0x00, 0x00, 0x00,
34a89775
MSM		 274
275 0x08, 0x00, /* ICE_ETYPE_IL 62 */
8b032a55
MS		 276
277 0x45, 0x00, 0x00, 0x1c, /* ICE_IPV4_IL 64 */
278 0x00, 0x01, 0x00, 0x00,
279 0x00, 0x11, 0x00, 0x00,
280 0x00, 0x00, 0x00, 0x00,
281 0x00, 0x00, 0x00, 0x00,
282
283 0x00, 0x00, 0x00, 0x00, /* ICE_UDP_ILOS 84 */
284 0x00, 0x08, 0x00, 0x00,
285};
286
07a28842 287ICE_DECLARE_PKT_OFFSETS(gre_ipv6_tcp) = {
34a89775
MSM		 288 { ICE_MAC_OFOS, 0 },
289 { ICE_ETYPE_OL, 12 },
290 { ICE_IPV4_OFOS, 14 },
291 { ICE_NVGRE, 34 },
292 { ICE_MAC_IL, 42 },
293 { ICE_ETYPE_IL, 54 },
294 { ICE_IPV6_IL, 56 },
295 { ICE_TCP_IL, 96 },
296 { ICE_PROTOCOL_LAST, 0 },
297};
298
07a28842 299ICE_DECLARE_PKT_TEMPLATE(gre_ipv6_tcp) = {
34a89775
MSM		 300 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
301 0x00, 0x00, 0x00, 0x00,
302 0x00, 0x00, 0x00, 0x00,
303
304 0x08, 0x00, /* ICE_ETYPE_OL 12 */
305
306 0x45, 0x00, 0x00, 0x66, /* ICE_IPV4_OFOS 14 */
307 0x00, 0x00, 0x00, 0x00,
308 0x00, 0x2F, 0x00, 0x00,
309 0x00, 0x00, 0x00, 0x00,
310 0x00, 0x00, 0x00, 0x00,
311
312 0x80, 0x00, 0x65, 0x58, /* ICE_NVGRE 34 */
313 0x00, 0x00, 0x00, 0x00,
314
315 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_IL 42 */
316 0x00, 0x00, 0x00, 0x00,
317 0x00, 0x00, 0x00, 0x00,
318
319 0x86, 0xdd, /* ICE_ETYPE_IL 54 */
320
321 0x60, 0x00, 0x00, 0x00, /* ICE_IPV6_IL 56 */
322 0x00, 0x08, 0x06, 0x40,
323 0x00, 0x00, 0x00, 0x00,
324 0x00, 0x00, 0x00, 0x00,
325 0x00, 0x00, 0x00, 0x00,
326 0x00, 0x00, 0x00, 0x00,
327 0x00, 0x00, 0x00, 0x00,
328 0x00, 0x00, 0x00, 0x00,
329 0x00, 0x00, 0x00, 0x00,
330 0x00, 0x00, 0x00, 0x00,
331
332 0x00, 0x00, 0x00, 0x00, /* ICE_TCP_IL 96 */
333 0x00, 0x00, 0x00, 0x00,
334 0x00, 0x00, 0x00, 0x00,
335 0x50, 0x02, 0x20, 0x00,
336 0x00, 0x00, 0x00, 0x00
337};
338
07a28842 339ICE_DECLARE_PKT_OFFSETS(gre_ipv6_udp) = {
34a89775
MSM		 340 { ICE_MAC_OFOS, 0 },
341 { ICE_ETYPE_OL, 12 },
342 { ICE_IPV4_OFOS, 14 },
343 { ICE_NVGRE, 34 },
344 { ICE_MAC_IL, 42 },
345 { ICE_ETYPE_IL, 54 },
346 { ICE_IPV6_IL, 56 },
347 { ICE_UDP_ILOS, 96 },
348 { ICE_PROTOCOL_LAST, 0 },
349};
350
07a28842 351ICE_DECLARE_PKT_TEMPLATE(gre_ipv6_udp) = {
34a89775
MSM		 352 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
353 0x00, 0x00, 0x00, 0x00,
354 0x00, 0x00, 0x00, 0x00,
355
356 0x08, 0x00, /* ICE_ETYPE_OL 12 */
357
358 0x45, 0x00, 0x00, 0x5a, /* ICE_IPV4_OFOS 14 */
359 0x00, 0x00, 0x00, 0x00,
360 0x00, 0x2F, 0x00, 0x00,
361 0x00, 0x00, 0x00, 0x00,
362 0x00, 0x00, 0x00, 0x00,
363
364 0x80, 0x00, 0x65, 0x58, /* ICE_NVGRE 34 */
365 0x00, 0x00, 0x00, 0x00,
366
367 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_IL 42 */
368 0x00, 0x00, 0x00, 0x00,
369 0x00, 0x00, 0x00, 0x00,
370
371 0x86, 0xdd, /* ICE_ETYPE_IL 54 */
372
373 0x60, 0x00, 0x00, 0x00, /* ICE_IPV6_IL 56 */
374 0x00, 0x08, 0x11, 0x40,
375 0x00, 0x00, 0x00, 0x00,
376 0x00, 0x00, 0x00, 0x00,
377 0x00, 0x00, 0x00, 0x00,
378 0x00, 0x00, 0x00, 0x00,
379 0x00, 0x00, 0x00, 0x00,
380 0x00, 0x00, 0x00, 0x00,
381 0x00, 0x00, 0x00, 0x00,
382 0x00, 0x00, 0x00, 0x00,
383
384 0x00, 0x00, 0x00, 0x00, /* ICE_UDP_ILOS 96 */
385 0x00, 0x08, 0x00, 0x00,
386};
387
07a28842 388ICE_DECLARE_PKT_OFFSETS(udp_tun_ipv6_tcp) = {
34a89775
MSM		 389 { ICE_MAC_OFOS, 0 },
390 { ICE_ETYPE_OL, 12 },
391 { ICE_IPV4_OFOS, 14 },
392 { ICE_UDP_OF, 34 },
393 { ICE_VXLAN, 42 },
394 { ICE_GENEVE, 42 },
395 { ICE_VXLAN_GPE, 42 },
396 { ICE_MAC_IL, 50 },
397 { ICE_ETYPE_IL, 62 },
398 { ICE_IPV6_IL, 64 },
399 { ICE_TCP_IL, 104 },
400 { ICE_PROTOCOL_LAST, 0 },
401};
402
07a28842 403ICE_DECLARE_PKT_TEMPLATE(udp_tun_ipv6_tcp) = {
34a89775
MSM		 404 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
405 0x00, 0x00, 0x00, 0x00,
406 0x00, 0x00, 0x00, 0x00,
407
408 0x08, 0x00, /* ICE_ETYPE_OL 12 */
409
410 0x45, 0x00, 0x00, 0x6e, /* ICE_IPV4_OFOS 14 */
411 0x00, 0x01, 0x00, 0x00,
412 0x40, 0x11, 0x00, 0x00,
413 0x00, 0x00, 0x00, 0x00,
414 0x00, 0x00, 0x00, 0x00,
415
416 0x00, 0x00, 0x12, 0xb5, /* ICE_UDP_OF 34 */
417 0x00, 0x5a, 0x00, 0x00,
418
419 0x00, 0x00, 0x65, 0x58, /* ICE_VXLAN 42 */
420 0x00, 0x00, 0x00, 0x00,
421
422 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_IL 50 */
423 0x00, 0x00, 0x00, 0x00,
424 0x00, 0x00, 0x00, 0x00,
425
426 0x86, 0xdd, /* ICE_ETYPE_IL 62 */
427
428 0x60, 0x00, 0x00, 0x00, /* ICE_IPV6_IL 64 */
429 0x00, 0x08, 0x06, 0x40,
430 0x00, 0x00, 0x00, 0x00,
431 0x00, 0x00, 0x00, 0x00,
432 0x00, 0x00, 0x00, 0x00,
433 0x00, 0x00, 0x00, 0x00,
434 0x00, 0x00, 0x00, 0x00,
435 0x00, 0x00, 0x00, 0x00,
436 0x00, 0x00, 0x00, 0x00,
437 0x00, 0x00, 0x00, 0x00,
438
439 0x00, 0x00, 0x00, 0x00, /* ICE_TCP_IL 104 */
440 0x00, 0x00, 0x00, 0x00,
441 0x00, 0x00, 0x00, 0x00,
442 0x50, 0x02, 0x20, 0x00,
443 0x00, 0x00, 0x00, 0x00
444};
445
07a28842 446ICE_DECLARE_PKT_OFFSETS(udp_tun_ipv6_udp) = {
34a89775
MSM		 447 { ICE_MAC_OFOS, 0 },
448 { ICE_ETYPE_OL, 12 },
449 { ICE_IPV4_OFOS, 14 },
450 { ICE_UDP_OF, 34 },
451 { ICE_VXLAN, 42 },
452 { ICE_GENEVE, 42 },
453 { ICE_VXLAN_GPE, 42 },
454 { ICE_MAC_IL, 50 },
455 { ICE_ETYPE_IL, 62 },
456 { ICE_IPV6_IL, 64 },
457 { ICE_UDP_ILOS, 104 },
458 { ICE_PROTOCOL_LAST, 0 },
459};
460
07a28842 461ICE_DECLARE_PKT_TEMPLATE(udp_tun_ipv6_udp) = {
34a89775
MSM		 462 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
463 0x00, 0x00, 0x00, 0x00,
464 0x00, 0x00, 0x00, 0x00,
465
466 0x08, 0x00, /* ICE_ETYPE_OL 12 */
467
468 0x45, 0x00, 0x00, 0x62, /* ICE_IPV4_OFOS 14 */
469 0x00, 0x01, 0x00, 0x00,
470 0x00, 0x11, 0x00, 0x00,
471 0x00, 0x00, 0x00, 0x00,
472 0x00, 0x00, 0x00, 0x00,
473
474 0x00, 0x00, 0x12, 0xb5, /* ICE_UDP_OF 34 */
475 0x00, 0x4e, 0x00, 0x00,
476
477 0x00, 0x00, 0x65, 0x58, /* ICE_VXLAN 42 */
478 0x00, 0x00, 0x00, 0x00,
479
480 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_IL 50 */
481 0x00, 0x00, 0x00, 0x00,
482 0x00, 0x00, 0x00, 0x00,
483
484 0x86, 0xdd, /* ICE_ETYPE_IL 62 */
485
486 0x60, 0x00, 0x00, 0x00, /* ICE_IPV6_IL 64 */
487 0x00, 0x08, 0x11, 0x40,
488 0x00, 0x00, 0x00, 0x00,
489 0x00, 0x00, 0x00, 0x00,
490 0x00, 0x00, 0x00, 0x00,
491 0x00, 0x00, 0x00, 0x00,
492 0x00, 0x00, 0x00, 0x00,
493 0x00, 0x00, 0x00, 0x00,
494 0x00, 0x00, 0x00, 0x00,
495 0x00, 0x00, 0x00, 0x00,
496
497 0x00, 0x00, 0x00, 0x00, /* ICE_UDP_ILOS 104 */
498 0x00, 0x08, 0x00, 0x00,
499};
500
0f94570d 501/* offset info for MAC + IPv4 + UDP dummy packet */
07a28842 502ICE_DECLARE_PKT_OFFSETS(udp) = {
0f94570d
GK		 503 { ICE_MAC_OFOS, 0 },
504 { ICE_ETYPE_OL, 12 },
505 { ICE_IPV4_OFOS, 14 },
506 { ICE_UDP_ILOS, 34 },
507 { ICE_PROTOCOL_LAST, 0 },
508};
509
510/* Dummy packet for MAC + IPv4 + UDP */
07a28842 511ICE_DECLARE_PKT_TEMPLATE(udp) = {
0f94570d
GK		 512 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
513 0x00, 0x00, 0x00, 0x00,
514 0x00, 0x00, 0x00, 0x00,
515
516 0x08, 0x00, /* ICE_ETYPE_OL 12 */
517
518 0x45, 0x00, 0x00, 0x1c, /* ICE_IPV4_OFOS 14 */
519 0x00, 0x01, 0x00, 0x00,
520 0x00, 0x11, 0x00, 0x00,
521 0x00, 0x00, 0x00, 0x00,
522 0x00, 0x00, 0x00, 0x00,
523
524 0x00, 0x00, 0x00, 0x00, /* ICE_UDP_ILOS 34 */
525 0x00, 0x08, 0x00, 0x00,
526
527 0x00, 0x00, /* 2 bytes for 4 byte alignment */
528};
529
0f94570d 530/* offset info for MAC + IPv4 + TCP dummy packet */
07a28842 531ICE_DECLARE_PKT_OFFSETS(tcp) = {
0f94570d
GK		 532 { ICE_MAC_OFOS, 0 },
533 { ICE_ETYPE_OL, 12 },
534 { ICE_IPV4_OFOS, 14 },
535 { ICE_TCP_IL, 34 },
536 { ICE_PROTOCOL_LAST, 0 },
537};
538
539/* Dummy packet for MAC + IPv4 + TCP */
07a28842 540ICE_DECLARE_PKT_TEMPLATE(tcp) = {
0f94570d
GK		 541 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
542 0x00, 0x00, 0x00, 0x00,
543 0x00, 0x00, 0x00, 0x00,
544
545 0x08, 0x00, /* ICE_ETYPE_OL 12 */
546
547 0x45, 0x00, 0x00, 0x28, /* ICE_IPV4_OFOS 14 */
548 0x00, 0x01, 0x00, 0x00,
549 0x00, 0x06, 0x00, 0x00,
550 0x00, 0x00, 0x00, 0x00,
551 0x00, 0x00, 0x00, 0x00,
552
553 0x00, 0x00, 0x00, 0x00, /* ICE_TCP_IL 34 */
554 0x00, 0x00, 0x00, 0x00,
555 0x00, 0x00, 0x00, 0x00,
556 0x50, 0x00, 0x00, 0x00,
557 0x00, 0x00, 0x00, 0x00,
558
559 0x00, 0x00, /* 2 bytes for 4 byte alignment */
560};
561
07a28842 562ICE_DECLARE_PKT_OFFSETS(tcp_ipv6) = {
0f94570d
GK		 563 { ICE_MAC_OFOS, 0 },
564 { ICE_ETYPE_OL, 12 },
565 { ICE_IPV6_OFOS, 14 },
566 { ICE_TCP_IL, 54 },
567 { ICE_PROTOCOL_LAST, 0 },
568};
569
07a28842 570ICE_DECLARE_PKT_TEMPLATE(tcp_ipv6) = {
0f94570d
GK		 571 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
572 0x00, 0x00, 0x00, 0x00,
573 0x00, 0x00, 0x00, 0x00,
574
575 0x86, 0xDD, /* ICE_ETYPE_OL 12 */
576
577 0x60, 0x00, 0x00, 0x00, /* ICE_IPV6_OFOS 40 */
578 0x00, 0x14, 0x06, 0x00, /* Next header is TCP */
579 0x00, 0x00, 0x00, 0x00,
580 0x00, 0x00, 0x00, 0x00,
581 0x00, 0x00, 0x00, 0x00,
582 0x00, 0x00, 0x00, 0x00,
583 0x00, 0x00, 0x00, 0x00,
584 0x00, 0x00, 0x00, 0x00,
585 0x00, 0x00, 0x00, 0x00,
586 0x00, 0x00, 0x00, 0x00,
587
588 0x00, 0x00, 0x00, 0x00, /* ICE_TCP_IL 54 */
589 0x00, 0x00, 0x00, 0x00,
590 0x00, 0x00, 0x00, 0x00,
591 0x50, 0x00, 0x00, 0x00,
592 0x00, 0x00, 0x00, 0x00,
593
594 0x00, 0x00, /* 2 bytes for 4 byte alignment */
595};
596
0f94570d 597/* IPv6 + UDP */
07a28842 598ICE_DECLARE_PKT_OFFSETS(udp_ipv6) = {
0f94570d
GK		 599 { ICE_MAC_OFOS, 0 },
600 { ICE_ETYPE_OL, 12 },
601 { ICE_IPV6_OFOS, 14 },
602 { ICE_UDP_ILOS, 54 },
603 { ICE_PROTOCOL_LAST, 0 },
604};
605
606/* IPv6 + UDP dummy packet */
07a28842 607ICE_DECLARE_PKT_TEMPLATE(udp_ipv6) = {
0f94570d
GK		 608 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
609 0x00, 0x00, 0x00, 0x00,
610 0x00, 0x00, 0x00, 0x00,
611
612 0x86, 0xDD, /* ICE_ETYPE_OL 12 */
613
614 0x60, 0x00, 0x00, 0x00, /* ICE_IPV6_OFOS 40 */
615 0x00, 0x10, 0x11, 0x00, /* Next header UDP */
616 0x00, 0x00, 0x00, 0x00,
617 0x00, 0x00, 0x00, 0x00,
618 0x00, 0x00, 0x00, 0x00,
619 0x00, 0x00, 0x00, 0x00,
620 0x00, 0x00, 0x00, 0x00,
621 0x00, 0x00, 0x00, 0x00,
622 0x00, 0x00, 0x00, 0x00,
623 0x00, 0x00, 0x00, 0x00,
624
625 0x00, 0x00, 0x00, 0x00, /* ICE_UDP_ILOS 54 */
626 0x00, 0x10, 0x00, 0x00,
627
628 0x00, 0x00, 0x00, 0x00, /* needed for ESP packets */
629 0x00, 0x00, 0x00, 0x00,
630
631 0x00, 0x00, /* 2 bytes for 4 byte alignment */
632};
633
9a225f81 634/* Outer IPv4 + Outer UDP + GTP + Inner IPv4 + Inner TCP */
07a28842 635ICE_DECLARE_PKT_OFFSETS(ipv4_gtpu_ipv4_tcp) = {
9a225f81
MS		 636 { ICE_MAC_OFOS, 0 },
637 { ICE_IPV4_OFOS, 14 },
638 { ICE_UDP_OF, 34 },
639 { ICE_GTP, 42 },
640 { ICE_IPV4_IL, 62 },
641 { ICE_TCP_IL, 82 },
642 { ICE_PROTOCOL_LAST, 0 },
643};
644
07a28842 645ICE_DECLARE_PKT_TEMPLATE(ipv4_gtpu_ipv4_tcp) = {
9a225f81
MS		 646 0x00, 0x00, 0x00, 0x00, /* Ethernet 0 */
647 0x00, 0x00, 0x00, 0x00,
648 0x00, 0x00, 0x00, 0x00,
649 0x08, 0x00,
650
651 0x45, 0x00, 0x00, 0x58, /* IP 14 */
652 0x00, 0x00, 0x00, 0x00,
653 0x00, 0x11, 0x00, 0x00,
654 0x00, 0x00, 0x00, 0x00,
655 0x00, 0x00, 0x00, 0x00,
656
657 0x00, 0x00, 0x08, 0x68, /* UDP 34 */
658 0x00, 0x44, 0x00, 0x00,
659
660 0x34, 0xff, 0x00, 0x34, /* ICE_GTP Header 42 */
661 0x00, 0x00, 0x00, 0x00,
662 0x00, 0x00, 0x00, 0x85,
663
664 0x02, 0x00, 0x00, 0x00, /* GTP_PDUSession_ExtensionHeader 54 */
665 0x00, 0x00, 0x00, 0x00,
666
667 0x45, 0x00, 0x00, 0x28, /* IP 62 */
668 0x00, 0x00, 0x00, 0x00,
669 0x00, 0x06, 0x00, 0x00,
670 0x00, 0x00, 0x00, 0x00,
671 0x00, 0x00, 0x00, 0x00,
672
673 0x00, 0x00, 0x00, 0x00, /* TCP 82 */
674 0x00, 0x00, 0x00, 0x00,
675 0x00, 0x00, 0x00, 0x00,
676 0x50, 0x00, 0x00, 0x00,
677 0x00, 0x00, 0x00, 0x00,
678
679 0x00, 0x00, /* 2 bytes for 4 byte alignment */
680};
681
682/* Outer IPv4 + Outer UDP + GTP + Inner IPv4 + Inner UDP */
07a28842 683ICE_DECLARE_PKT_OFFSETS(ipv4_gtpu_ipv4_udp) = {
9a225f81
MS		 684 { ICE_MAC_OFOS, 0 },
685 { ICE_IPV4_OFOS, 14 },
686 { ICE_UDP_OF, 34 },
687 { ICE_GTP, 42 },
688 { ICE_IPV4_IL, 62 },
689 { ICE_UDP_ILOS, 82 },
690 { ICE_PROTOCOL_LAST, 0 },
691};
692
07a28842 693ICE_DECLARE_PKT_TEMPLATE(ipv4_gtpu_ipv4_udp) = {
9a225f81
MS		 694 0x00, 0x00, 0x00, 0x00, /* Ethernet 0 */
695 0x00, 0x00, 0x00, 0x00,
696 0x00, 0x00, 0x00, 0x00,
697 0x08, 0x00,
698
699 0x45, 0x00, 0x00, 0x4c, /* IP 14 */
700 0x00, 0x00, 0x00, 0x00,
701 0x00, 0x11, 0x00, 0x00,
702 0x00, 0x00, 0x00, 0x00,
703 0x00, 0x00, 0x00, 0x00,
704
705 0x00, 0x00, 0x08, 0x68, /* UDP 34 */
706 0x00, 0x38, 0x00, 0x00,
707
708 0x34, 0xff, 0x00, 0x28, /* ICE_GTP Header 42 */
709 0x00, 0x00, 0x00, 0x00,
710 0x00, 0x00, 0x00, 0x85,
711
712 0x02, 0x00, 0x00, 0x00, /* GTP_PDUSession_ExtensionHeader 54 */
713 0x00, 0x00, 0x00, 0x00,
714
715 0x45, 0x00, 0x00, 0x1c, /* IP 62 */
716 0x00, 0x00, 0x00, 0x00,
717 0x00, 0x11, 0x00, 0x00,
718 0x00, 0x00, 0x00, 0x00,
719 0x00, 0x00, 0x00, 0x00,
720
721 0x00, 0x00, 0x00, 0x00, /* UDP 82 */
722 0x00, 0x08, 0x00, 0x00,
723
724 0x00, 0x00, /* 2 bytes for 4 byte alignment */
725};
726
727/* Outer IPv6 + Outer UDP + GTP + Inner IPv4 + Inner TCP */
07a28842 728ICE_DECLARE_PKT_OFFSETS(ipv4_gtpu_ipv6_tcp) = {
9a225f81
MS		 729 { ICE_MAC_OFOS, 0 },
730 { ICE_IPV4_OFOS, 14 },
731 { ICE_UDP_OF, 34 },
732 { ICE_GTP, 42 },
733 { ICE_IPV6_IL, 62 },
734 { ICE_TCP_IL, 102 },
735 { ICE_PROTOCOL_LAST, 0 },
736};
737
07a28842 738ICE_DECLARE_PKT_TEMPLATE(ipv4_gtpu_ipv6_tcp) = {
9a225f81
MS		 739 0x00, 0x00, 0x00, 0x00, /* Ethernet 0 */
740 0x00, 0x00, 0x00, 0x00,
741 0x00, 0x00, 0x00, 0x00,
742 0x08, 0x00,
743
744 0x45, 0x00, 0x00, 0x6c, /* IP 14 */
745 0x00, 0x00, 0x00, 0x00,
746 0x00, 0x11, 0x00, 0x00,
747 0x00, 0x00, 0x00, 0x00,
748 0x00, 0x00, 0x00, 0x00,
749
750 0x00, 0x00, 0x08, 0x68, /* UDP 34 */
751 0x00, 0x58, 0x00, 0x00,
752
753 0x34, 0xff, 0x00, 0x48, /* ICE_GTP Header 42 */
754 0x00, 0x00, 0x00, 0x00,
755 0x00, 0x00, 0x00, 0x85,
756
757 0x02, 0x00, 0x00, 0x00, /* GTP_PDUSession_ExtensionHeader 54 */
758 0x00, 0x00, 0x00, 0x00,
759
760 0x60, 0x00, 0x00, 0x00, /* IPv6 62 */
761 0x00, 0x14, 0x06, 0x00,
762 0x00, 0x00, 0x00, 0x00,
763 0x00, 0x00, 0x00, 0x00,
764 0x00, 0x00, 0x00, 0x00,
765 0x00, 0x00, 0x00, 0x00,
766 0x00, 0x00, 0x00, 0x00,
767 0x00, 0x00, 0x00, 0x00,
768 0x00, 0x00, 0x00, 0x00,
769 0x00, 0x00, 0x00, 0x00,
770
771 0x00, 0x00, 0x00, 0x00, /* TCP 102 */
772 0x00, 0x00, 0x00, 0x00,
773 0x00, 0x00, 0x00, 0x00,
774 0x50, 0x00, 0x00, 0x00,
775 0x00, 0x00, 0x00, 0x00,
776
777 0x00, 0x00, /* 2 bytes for 4 byte alignment */
778};
779
07a28842 780ICE_DECLARE_PKT_OFFSETS(ipv4_gtpu_ipv6_udp) = {
9a225f81
MS		 781 { ICE_MAC_OFOS, 0 },
782 { ICE_IPV4_OFOS, 14 },
783 { ICE_UDP_OF, 34 },
784 { ICE_GTP, 42 },
785 { ICE_IPV6_IL, 62 },
786 { ICE_UDP_ILOS, 102 },
787 { ICE_PROTOCOL_LAST, 0 },
788};
789
07a28842 790ICE_DECLARE_PKT_TEMPLATE(ipv4_gtpu_ipv6_udp) = {
9a225f81
MS		 791 0x00, 0x00, 0x00, 0x00, /* Ethernet 0 */
792 0x00, 0x00, 0x00, 0x00,
793 0x00, 0x00, 0x00, 0x00,
794 0x08, 0x00,
795
796 0x45, 0x00, 0x00, 0x60, /* IP 14 */
797 0x00, 0x00, 0x00, 0x00,
798 0x00, 0x11, 0x00, 0x00,
799 0x00, 0x00, 0x00, 0x00,
800 0x00, 0x00, 0x00, 0x00,
801
802 0x00, 0x00, 0x08, 0x68, /* UDP 34 */
803 0x00, 0x4c, 0x00, 0x00,
804
805 0x34, 0xff, 0x00, 0x3c, /* ICE_GTP Header 42 */
806 0x00, 0x00, 0x00, 0x00,
807 0x00, 0x00, 0x00, 0x85,
808
809 0x02, 0x00, 0x00, 0x00, /* GTP_PDUSession_ExtensionHeader 54 */
810 0x00, 0x00, 0x00, 0x00,
811
812 0x60, 0x00, 0x00, 0x00, /* IPv6 62 */
813 0x00, 0x08, 0x11, 0x00,
814 0x00, 0x00, 0x00, 0x00,
815 0x00, 0x00, 0x00, 0x00,
816 0x00, 0x00, 0x00, 0x00,
817 0x00, 0x00, 0x00, 0x00,
818 0x00, 0x00, 0x00, 0x00,
819 0x00, 0x00, 0x00, 0x00,
820 0x00, 0x00, 0x00, 0x00,
821 0x00, 0x00, 0x00, 0x00,
822
823 0x00, 0x00, 0x00, 0x00, /* UDP 102 */
824 0x00, 0x08, 0x00, 0x00,
825
826 0x00, 0x00, /* 2 bytes for 4 byte alignment */
827};
828
07a28842 829ICE_DECLARE_PKT_OFFSETS(ipv6_gtpu_ipv4_tcp) = {
9a225f81
MS		 830 { ICE_MAC_OFOS, 0 },
831 { ICE_IPV6_OFOS, 14 },
832 { ICE_UDP_OF, 54 },
833 { ICE_GTP, 62 },
834 { ICE_IPV4_IL, 82 },
835 { ICE_TCP_IL, 102 },
836 { ICE_PROTOCOL_LAST, 0 },
837};
838
07a28842 839ICE_DECLARE_PKT_TEMPLATE(ipv6_gtpu_ipv4_tcp) = {
9a225f81
MS		 840 0x00, 0x00, 0x00, 0x00, /* Ethernet 0 */
841 0x00, 0x00, 0x00, 0x00,
842 0x00, 0x00, 0x00, 0x00,
843 0x86, 0xdd,
844
845 0x60, 0x00, 0x00, 0x00, /* IPv6 14 */
846 0x00, 0x44, 0x11, 0x00,
847 0x00, 0x00, 0x00, 0x00,
848 0x00, 0x00, 0x00, 0x00,
849 0x00, 0x00, 0x00, 0x00,
850 0x00, 0x00, 0x00, 0x00,
851 0x00, 0x00, 0x00, 0x00,
852 0x00, 0x00, 0x00, 0x00,
853 0x00, 0x00, 0x00, 0x00,
854 0x00, 0x00, 0x00, 0x00,
855
856 0x00, 0x00, 0x08, 0x68, /* UDP 54 */
857 0x00, 0x44, 0x00, 0x00,
858
859 0x34, 0xff, 0x00, 0x34, /* ICE_GTP Header 62 */
860 0x00, 0x00, 0x00, 0x00,
861 0x00, 0x00, 0x00, 0x85,
862
863 0x02, 0x00, 0x00, 0x00, /* GTP_PDUSession_ExtensionHeader 74 */
864 0x00, 0x00, 0x00, 0x00,
865
866 0x45, 0x00, 0x00, 0x28, /* IP 82 */
867 0x00, 0x00, 0x00, 0x00,
868 0x00, 0x06, 0x00, 0x00,
869 0x00, 0x00, 0x00, 0x00,
870 0x00, 0x00, 0x00, 0x00,
871
872 0x00, 0x00, 0x00, 0x00, /* TCP 102 */
873 0x00, 0x00, 0x00, 0x00,
874 0x00, 0x00, 0x00, 0x00,
875 0x50, 0x00, 0x00, 0x00,
876 0x00, 0x00, 0x00, 0x00,
877
878 0x00, 0x00, /* 2 bytes for 4 byte alignment */
879};
880
07a28842 881ICE_DECLARE_PKT_OFFSETS(ipv6_gtpu_ipv4_udp) = {
9a225f81
MS		 882 { ICE_MAC_OFOS, 0 },
883 { ICE_IPV6_OFOS, 14 },
884 { ICE_UDP_OF, 54 },
885 { ICE_GTP, 62 },
886 { ICE_IPV4_IL, 82 },
887 { ICE_UDP_ILOS, 102 },
888 { ICE_PROTOCOL_LAST, 0 },
889};
890
07a28842 891ICE_DECLARE_PKT_TEMPLATE(ipv6_gtpu_ipv4_udp) = {
9a225f81
MS		 892 0x00, 0x00, 0x00, 0x00, /* Ethernet 0 */
893 0x00, 0x00, 0x00, 0x00,
894 0x00, 0x00, 0x00, 0x00,
895 0x86, 0xdd,
896
897 0x60, 0x00, 0x00, 0x00, /* IPv6 14 */
898 0x00, 0x38, 0x11, 0x00,
899 0x00, 0x00, 0x00, 0x00,
900 0x00, 0x00, 0x00, 0x00,
901 0x00, 0x00, 0x00, 0x00,
902 0x00, 0x00, 0x00, 0x00,
903 0x00, 0x00, 0x00, 0x00,
904 0x00, 0x00, 0x00, 0x00,
905 0x00, 0x00, 0x00, 0x00,
906 0x00, 0x00, 0x00, 0x00,
907
908 0x00, 0x00, 0x08, 0x68, /* UDP 54 */
909 0x00, 0x38, 0x00, 0x00,
910
911 0x34, 0xff, 0x00, 0x28, /* ICE_GTP Header 62 */
912 0x00, 0x00, 0x00, 0x00,
913 0x00, 0x00, 0x00, 0x85,
914
915 0x02, 0x00, 0x00, 0x00, /* GTP_PDUSession_ExtensionHeader 74 */
916 0x00, 0x00, 0x00, 0x00,
917
918 0x45, 0x00, 0x00, 0x1c, /* IP 82 */
919 0x00, 0x00, 0x00, 0x00,
920 0x00, 0x11, 0x00, 0x00,
921 0x00, 0x00, 0x00, 0x00,
922 0x00, 0x00, 0x00, 0x00,
923
924 0x00, 0x00, 0x00, 0x00, /* UDP 102 */
925 0x00, 0x08, 0x00, 0x00,
926
927 0x00, 0x00, /* 2 bytes for 4 byte alignment */
928};
929
07a28842 930ICE_DECLARE_PKT_OFFSETS(ipv6_gtpu_ipv6_tcp) = {
9a225f81
MS		 931 { ICE_MAC_OFOS, 0 },
932 { ICE_IPV6_OFOS, 14 },
933 { ICE_UDP_OF, 54 },
934 { ICE_GTP, 62 },
935 { ICE_IPV6_IL, 82 },
936 { ICE_TCP_IL, 122 },
937 { ICE_PROTOCOL_LAST, 0 },
938};
939
07a28842 940ICE_DECLARE_PKT_TEMPLATE(ipv6_gtpu_ipv6_tcp) = {
9a225f81
MS		 941 0x00, 0x00, 0x00, 0x00, /* Ethernet 0 */
942 0x00, 0x00, 0x00, 0x00,
943 0x00, 0x00, 0x00, 0x00,
944 0x86, 0xdd,
945
946 0x60, 0x00, 0x00, 0x00, /* IPv6 14 */
947 0x00, 0x58, 0x11, 0x00,
948 0x00, 0x00, 0x00, 0x00,
949 0x00, 0x00, 0x00, 0x00,
950 0x00, 0x00, 0x00, 0x00,
951 0x00, 0x00, 0x00, 0x00,
952 0x00, 0x00, 0x00, 0x00,
953 0x00, 0x00, 0x00, 0x00,
954 0x00, 0x00, 0x00, 0x00,
955 0x00, 0x00, 0x00, 0x00,
956
957 0x00, 0x00, 0x08, 0x68, /* UDP 54 */
958 0x00, 0x58, 0x00, 0x00,
959
960 0x34, 0xff, 0x00, 0x48, /* ICE_GTP Header 62 */
961 0x00, 0x00, 0x00, 0x00,
962 0x00, 0x00, 0x00, 0x85,
963
964 0x02, 0x00, 0x00, 0x00, /* GTP_PDUSession_ExtensionHeader 74 */
965 0x00, 0x00, 0x00, 0x00,
966
967 0x60, 0x00, 0x00, 0x00, /* IPv6 82 */
968 0x00, 0x14, 0x06, 0x00,
969 0x00, 0x00, 0x00, 0x00,
970 0x00, 0x00, 0x00, 0x00,
971 0x00, 0x00, 0x00, 0x00,
972 0x00, 0x00, 0x00, 0x00,
973 0x00, 0x00, 0x00, 0x00,
974 0x00, 0x00, 0x00, 0x00,
975 0x00, 0x00, 0x00, 0x00,
976 0x00, 0x00, 0x00, 0x00,
977
978 0x00, 0x00, 0x00, 0x00, /* TCP 122 */
979 0x00, 0x00, 0x00, 0x00,
980 0x00, 0x00, 0x00, 0x00,
981 0x50, 0x00, 0x00, 0x00,
982 0x00, 0x00, 0x00, 0x00,
983
984 0x00, 0x00, /* 2 bytes for 4 byte alignment */
985};
986
07a28842 987ICE_DECLARE_PKT_OFFSETS(ipv6_gtpu_ipv6_udp) = {
9a225f81
MS		 988 { ICE_MAC_OFOS, 0 },
989 { ICE_IPV6_OFOS, 14 },
990 { ICE_UDP_OF, 54 },
991 { ICE_GTP, 62 },
992 { ICE_IPV6_IL, 82 },
993 { ICE_UDP_ILOS, 122 },
994 { ICE_PROTOCOL_LAST, 0 },
995};
996
07a28842 997ICE_DECLARE_PKT_TEMPLATE(ipv6_gtpu_ipv6_udp) = {
9a225f81
MS		 998 0x00, 0x00, 0x00, 0x00, /* Ethernet 0 */
999 0x00, 0x00, 0x00, 0x00,
1000 0x00, 0x00, 0x00, 0x00,
1001 0x86, 0xdd,
1002
1003 0x60, 0x00, 0x00, 0x00, /* IPv6 14 */
1004 0x00, 0x4c, 0x11, 0x00,
1005 0x00, 0x00, 0x00, 0x00,
1006 0x00, 0x00, 0x00, 0x00,
1007 0x00, 0x00, 0x00, 0x00,
1008 0x00, 0x00, 0x00, 0x00,
1009 0x00, 0x00, 0x00, 0x00,
1010 0x00, 0x00, 0x00, 0x00,
1011 0x00, 0x00, 0x00, 0x00,
1012 0x00, 0x00, 0x00, 0x00,
1013
1014 0x00, 0x00, 0x08, 0x68, /* UDP 54 */
1015 0x00, 0x4c, 0x00, 0x00,
1016
1017 0x34, 0xff, 0x00, 0x3c, /* ICE_GTP Header 62 */
1018 0x00, 0x00, 0x00, 0x00,
1019 0x00, 0x00, 0x00, 0x85,
1020
1021 0x02, 0x00, 0x00, 0x00, /* GTP_PDUSession_ExtensionHeader 74 */
1022 0x00, 0x00, 0x00, 0x00,
1023
1024 0x60, 0x00, 0x00, 0x00, /* IPv6 82 */
1025 0x00, 0x08, 0x11, 0x00,
1026 0x00, 0x00, 0x00, 0x00,
1027 0x00, 0x00, 0x00, 0x00,
1028 0x00, 0x00, 0x00, 0x00,
1029 0x00, 0x00, 0x00, 0x00,
1030 0x00, 0x00, 0x00, 0x00,
1031 0x00, 0x00, 0x00, 0x00,
1032 0x00, 0x00, 0x00, 0x00,
1033 0x00, 0x00, 0x00, 0x00,
1034
1035 0x00, 0x00, 0x00, 0x00, /* UDP 122 */
1036 0x00, 0x08, 0x00, 0x00,
1037
1038 0x00, 0x00, /* 2 bytes for 4 byte alignment */
1039};
1040
07a28842 1041ICE_DECLARE_PKT_OFFSETS(ipv4_gtpu_ipv4) = {
1b699f81
AL		 1042 { ICE_MAC_OFOS, 0 },
1043 { ICE_IPV4_OFOS, 14 },
1044 { ICE_UDP_OF, 34 },
1045 { ICE_GTP_NO_PAY, 42 },
1046 { ICE_PROTOCOL_LAST, 0 },
1047};
1048
07a28842 1049ICE_DECLARE_PKT_TEMPLATE(ipv4_gtpu_ipv4) = {
9a225f81
MS		 1050 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
1051 0x00, 0x00, 0x00, 0x00,
1052 0x00, 0x00, 0x00, 0x00,
1053 0x08, 0x00,
1054
1055 0x45, 0x00, 0x00, 0x44, /* ICE_IPV4_OFOS 14 */
1056 0x00, 0x00, 0x40, 0x00,
1057 0x40, 0x11, 0x00, 0x00,
1058 0x00, 0x00, 0x00, 0x00,
1059 0x00, 0x00, 0x00, 0x00,
1060
1061 0x08, 0x68, 0x08, 0x68, /* ICE_UDP_OF 34 */
1062 0x00, 0x00, 0x00, 0x00,
1063
1064 0x34, 0xff, 0x00, 0x28, /* ICE_GTP 42 */
1065 0x00, 0x00, 0x00, 0x00,
1066 0x00, 0x00, 0x00, 0x85,
1067
1068 0x02, 0x00, 0x00, 0x00, /* PDU Session extension header */
1069 0x00, 0x00, 0x00, 0x00,
1070
1071 0x45, 0x00, 0x00, 0x14, /* ICE_IPV4_IL 62 */
1072 0x00, 0x00, 0x40, 0x00,
1073 0x40, 0x00, 0x00, 0x00,
1074 0x00, 0x00, 0x00, 0x00,
1075 0x00, 0x00, 0x00, 0x00,
1076 0x00, 0x00,
1077};
1078
07a28842 1079ICE_DECLARE_PKT_OFFSETS(ipv6_gtp) = {
9a225f81
MS		 1080 { ICE_MAC_OFOS, 0 },
1081 { ICE_IPV6_OFOS, 14 },
1082 { ICE_UDP_OF, 54 },
1083 { ICE_GTP_NO_PAY, 62 },
1084 { ICE_PROTOCOL_LAST, 0 },
1085};
1086
07a28842 1087ICE_DECLARE_PKT_TEMPLATE(ipv6_gtp) = {
9a225f81
MS		 1088 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
1089 0x00, 0x00, 0x00, 0x00,
1090 0x00, 0x00, 0x00, 0x00,
1091 0x86, 0xdd,
1092
1093 0x60, 0x00, 0x00, 0x00, /* ICE_IPV6_OFOS 14 */
1094 0x00, 0x6c, 0x11, 0x00, /* Next header UDP*/
1095 0x00, 0x00, 0x00, 0x00,
1096 0x00, 0x00, 0x00, 0x00,
1097 0x00, 0x00, 0x00, 0x00,
1098 0x00, 0x00, 0x00, 0x00,
1099 0x00, 0x00, 0x00, 0x00,
1100 0x00, 0x00, 0x00, 0x00,
1101 0x00, 0x00, 0x00, 0x00,
1102 0x00, 0x00, 0x00, 0x00,
1103
1104 0x08, 0x68, 0x08, 0x68, /* ICE_UDP_OF 54 */
1105 0x00, 0x00, 0x00, 0x00,
1106
1107 0x30, 0x00, 0x00, 0x28, /* ICE_GTP 62 */
1108 0x00, 0x00, 0x00, 0x00,
1109
1110 0x00, 0x00,
1111};
1112
cd8efeee
MS		 1113ICE_DECLARE_PKT_OFFSETS(pppoe_ipv4_tcp) = {
1114 { ICE_MAC_OFOS, 0 },
1115 { ICE_ETYPE_OL, 12 },
1116 { ICE_PPPOE, 14 },
1117 { ICE_IPV4_OFOS, 22 },
1118 { ICE_TCP_IL, 42 },
1119 { ICE_PROTOCOL_LAST, 0 },
1120};
1121
1122ICE_DECLARE_PKT_TEMPLATE(pppoe_ipv4_tcp) = {
1123 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
1124 0x00, 0x00, 0x00, 0x00,
1125 0x00, 0x00, 0x00, 0x00,
1126
1127 0x88, 0x64, /* ICE_ETYPE_OL 12 */
1128
1129 0x11, 0x00, 0x00, 0x00, /* ICE_PPPOE 14 */
1130 0x00, 0x16,
1131
1132 0x00, 0x21, /* PPP Link Layer 20 */
1133
1134 0x45, 0x00, 0x00, 0x28, /* ICE_IPV4_OFOS 22 */
1135 0x00, 0x01, 0x00, 0x00,
1136 0x00, 0x06, 0x00, 0x00,
1137 0x00, 0x00, 0x00, 0x00,
1138 0x00, 0x00, 0x00, 0x00,
1139
1140 0x00, 0x00, 0x00, 0x00, /* ICE_TCP_IL 42 */
1141 0x00, 0x00, 0x00, 0x00,
1142 0x00, 0x00, 0x00, 0x00,
1143 0x50, 0x00, 0x00, 0x00,
1144 0x00, 0x00, 0x00, 0x00,
1145
1146 0x00, 0x00, /* 2 bytes for 4 bytes alignment */
1147};
1148
1149ICE_DECLARE_PKT_OFFSETS(pppoe_ipv4_udp) = {
1150 { ICE_MAC_OFOS, 0 },
1151 { ICE_ETYPE_OL, 12 },
1152 { ICE_PPPOE, 14 },
1153 { ICE_IPV4_OFOS, 22 },
1154 { ICE_UDP_ILOS, 42 },
1155 { ICE_PROTOCOL_LAST, 0 },
1156};
1157
1158ICE_DECLARE_PKT_TEMPLATE(pppoe_ipv4_udp) = {
1159 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
1160 0x00, 0x00, 0x00, 0x00,
1161 0x00, 0x00, 0x00, 0x00,
1162
1163 0x88, 0x64, /* ICE_ETYPE_OL 12 */
1164
1165 0x11, 0x00, 0x00, 0x00, /* ICE_PPPOE 14 */
1166 0x00, 0x16,
1167
1168 0x00, 0x21, /* PPP Link Layer 20 */
1169
1170 0x45, 0x00, 0x00, 0x1c, /* ICE_IPV4_OFOS 22 */
1171 0x00, 0x01, 0x00, 0x00,
1172 0x00, 0x11, 0x00, 0x00,
1173 0x00, 0x00, 0x00, 0x00,
1174 0x00, 0x00, 0x00, 0x00,
1175
1176 0x00, 0x00, 0x00, 0x00, /* ICE_UDP_ILOS 42 */
1177 0x00, 0x08, 0x00, 0x00,
1178
1179 0x00, 0x00, /* 2 bytes for 4 bytes alignment */
1180};
1181
1182ICE_DECLARE_PKT_OFFSETS(pppoe_ipv6_tcp) = {
1183 { ICE_MAC_OFOS, 0 },
1184 { ICE_ETYPE_OL, 12 },
1185 { ICE_PPPOE, 14 },
1186 { ICE_IPV6_OFOS, 22 },
1187 { ICE_TCP_IL, 62 },
1188 { ICE_PROTOCOL_LAST, 0 },
1189};
1190
1191ICE_DECLARE_PKT_TEMPLATE(pppoe_ipv6_tcp) = {
1192 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
1193 0x00, 0x00, 0x00, 0x00,
1194 0x00, 0x00, 0x00, 0x00,
1195
1196 0x88, 0x64, /* ICE_ETYPE_OL 12 */
1197
1198 0x11, 0x00, 0x00, 0x00, /* ICE_PPPOE 14 */
1199 0x00, 0x2a,
1200
1201 0x00, 0x57, /* PPP Link Layer 20 */
1202
1203 0x60, 0x00, 0x00, 0x00, /* ICE_IPV6_OFOS 22 */
1204 0x00, 0x14, 0x06, 0x00, /* Next header is TCP */
1205 0x00, 0x00, 0x00, 0x00,
1206 0x00, 0x00, 0x00, 0x00,
1207 0x00, 0x00, 0x00, 0x00,
1208 0x00, 0x00, 0x00, 0x00,
1209 0x00, 0x00, 0x00, 0x00,
1210 0x00, 0x00, 0x00, 0x00,
1211 0x00, 0x00, 0x00, 0x00,
1212 0x00, 0x00, 0x00, 0x00,
1213
1214 0x00, 0x00, 0x00, 0x00, /* ICE_TCP_IL 62 */
1215 0x00, 0x00, 0x00, 0x00,
1216 0x00, 0x00, 0x00, 0x00,
1217 0x50, 0x00, 0x00, 0x00,
1218 0x00, 0x00, 0x00, 0x00,
1219
1220 0x00, 0x00, /* 2 bytes for 4 bytes alignment */
1221};
1222
1223ICE_DECLARE_PKT_OFFSETS(pppoe_ipv6_udp) = {
1224 { ICE_MAC_OFOS, 0 },
1225 { ICE_ETYPE_OL, 12 },
1226 { ICE_PPPOE, 14 },
1227 { ICE_IPV6_OFOS, 22 },
1228 { ICE_UDP_ILOS, 62 },
1229 { ICE_PROTOCOL_LAST, 0 },
1230};
1231
1232ICE_DECLARE_PKT_TEMPLATE(pppoe_ipv6_udp) = {
1233 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
1234 0x00, 0x00, 0x00, 0x00,
1235 0x00, 0x00, 0x00, 0x00,
1236
1237 0x88, 0x64, /* ICE_ETYPE_OL 12 */
1238
1239 0x11, 0x00, 0x00, 0x00, /* ICE_PPPOE 14 */
1240 0x00, 0x2a,
1241
1242 0x00, 0x57, /* PPP Link Layer 20 */
1243
1244 0x60, 0x00, 0x00, 0x00, /* ICE_IPV6_OFOS 22 */
1245 0x00, 0x08, 0x11, 0x00, /* Next header UDP*/
1246 0x00, 0x00, 0x00, 0x00,
1247 0x00, 0x00, 0x00, 0x00,
1248 0x00, 0x00, 0x00, 0x00,
1249 0x00, 0x00, 0x00, 0x00,
1250 0x00, 0x00, 0x00, 0x00,
1251 0x00, 0x00, 0x00, 0x00,
1252 0x00, 0x00, 0x00, 0x00,
1253 0x00, 0x00, 0x00, 0x00,
1254
1255 0x00, 0x00, 0x00, 0x00, /* ICE_UDP_ILOS 62 */
1256 0x00, 0x08, 0x00, 0x00,
1257
1258 0x00, 0x00, /* 2 bytes for 4 bytes alignment */
1259};
1260
cd634549
MS		 1261ICE_DECLARE_PKT_OFFSETS(ipv4_l2tpv3) = {
1262 { ICE_MAC_OFOS, 0 },
1263 { ICE_ETYPE_OL, 12 },
1264 { ICE_IPV4_OFOS, 14 },
1265 { ICE_L2TPV3, 34 },
1266 { ICE_PROTOCOL_LAST, 0 },
1267};
1268
1269ICE_DECLARE_PKT_TEMPLATE(ipv4_l2tpv3) = {
1270 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
1271 0x00, 0x00, 0x00, 0x00,
1272 0x00, 0x00, 0x00, 0x00,
1273
1274 0x08, 0x00, /* ICE_ETYPE_OL 12 */
1275
1276 0x45, 0x00, 0x00, 0x20, /* ICE_IPV4_IL 14 */
1277 0x00, 0x00, 0x40, 0x00,
1278 0x40, 0x73, 0x00, 0x00,
1279 0x00, 0x00, 0x00, 0x00,
1280 0x00, 0x00, 0x00, 0x00,
1281
1282 0x00, 0x00, 0x00, 0x00, /* ICE_L2TPV3 34 */
1283 0x00, 0x00, 0x00, 0x00,
1284 0x00, 0x00, 0x00, 0x00,
1285 0x00, 0x00, /* 2 bytes for 4 bytes alignment */
1286};
1287
1288ICE_DECLARE_PKT_OFFSETS(ipv6_l2tpv3) = {
1289 { ICE_MAC_OFOS, 0 },
1290 { ICE_ETYPE_OL, 12 },
1291 { ICE_IPV6_OFOS, 14 },
1292 { ICE_L2TPV3, 54 },
1293 { ICE_PROTOCOL_LAST, 0 },
1294};
1295
1296ICE_DECLARE_PKT_TEMPLATE(ipv6_l2tpv3) = {
1297 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
1298 0x00, 0x00, 0x00, 0x00,
1299 0x00, 0x00, 0x00, 0x00,
1300
1301 0x86, 0xDD, /* ICE_ETYPE_OL 12 */
1302
1303 0x60, 0x00, 0x00, 0x00, /* ICE_IPV6_IL 14 */
1304 0x00, 0x0c, 0x73, 0x40,
1305 0x00, 0x00, 0x00, 0x00,
1306 0x00, 0x00, 0x00, 0x00,
1307 0x00, 0x00, 0x00, 0x00,
1308 0x00, 0x00, 0x00, 0x00,
1309 0x00, 0x00, 0x00, 0x00,
1310 0x00, 0x00, 0x00, 0x00,
1311 0x00, 0x00, 0x00, 0x00,
1312 0x00, 0x00, 0x00, 0x00,
1313
1314 0x00, 0x00, 0x00, 0x00, /* ICE_L2TPV3 54 */
1315 0x00, 0x00, 0x00, 0x00,
1316 0x00, 0x00, 0x00, 0x00,
1317 0x00, 0x00, /* 2 bytes for 4 bytes alignment */
1318};
1319
e33163a4
AL		 1320static const struct ice_dummy_pkt_profile ice_dummy_pkt_profiles[] = {
1321 ICE_PKT_PROFILE(ipv6_gtp, ICE_PKT_TUN_GTPU | ICE_PKT_OUTER_IPV6 |
1322 ICE_PKT_GTP_NOPAY),
1323 ICE_PKT_PROFILE(ipv6_gtpu_ipv6_udp, ICE_PKT_TUN_GTPU |
1324 ICE_PKT_OUTER_IPV6 |
1325 ICE_PKT_INNER_IPV6 |
1326 ICE_PKT_INNER_UDP),
1327 ICE_PKT_PROFILE(ipv6_gtpu_ipv6_tcp, ICE_PKT_TUN_GTPU |
1328 ICE_PKT_OUTER_IPV6 |
1329 ICE_PKT_INNER_IPV6),
1330 ICE_PKT_PROFILE(ipv6_gtpu_ipv4_udp, ICE_PKT_TUN_GTPU |
1331 ICE_PKT_OUTER_IPV6 |
1332 ICE_PKT_INNER_UDP),
1333 ICE_PKT_PROFILE(ipv6_gtpu_ipv4_tcp, ICE_PKT_TUN_GTPU |
1334 ICE_PKT_OUTER_IPV6),
1335 ICE_PKT_PROFILE(ipv4_gtpu_ipv4, ICE_PKT_TUN_GTPU | ICE_PKT_GTP_NOPAY),
1336 ICE_PKT_PROFILE(ipv4_gtpu_ipv6_udp, ICE_PKT_TUN_GTPU |
1337 ICE_PKT_INNER_IPV6 |
1338 ICE_PKT_INNER_UDP),
1339 ICE_PKT_PROFILE(ipv4_gtpu_ipv6_tcp, ICE_PKT_TUN_GTPU |
1340 ICE_PKT_INNER_IPV6),
1341 ICE_PKT_PROFILE(ipv4_gtpu_ipv4_udp, ICE_PKT_TUN_GTPU |
1342 ICE_PKT_INNER_UDP),
1343 ICE_PKT_PROFILE(ipv4_gtpu_ipv4_tcp, ICE_PKT_TUN_GTPU),
1344 ICE_PKT_PROFILE(ipv6_gtp, ICE_PKT_TUN_GTPC | ICE_PKT_OUTER_IPV6),
1345 ICE_PKT_PROFILE(ipv4_gtpu_ipv4, ICE_PKT_TUN_GTPC),
cd8efeee
MS		 1346 ICE_PKT_PROFILE(pppoe_ipv6_udp, ICE_PKT_PPPOE | ICE_PKT_OUTER_IPV6 |
1347 ICE_PKT_INNER_UDP),
1348 ICE_PKT_PROFILE(pppoe_ipv6_tcp, ICE_PKT_PPPOE | ICE_PKT_OUTER_IPV6),
1349 ICE_PKT_PROFILE(pppoe_ipv4_udp, ICE_PKT_PPPOE | ICE_PKT_INNER_UDP),
1350 ICE_PKT_PROFILE(pppoe_ipv4_tcp, ICE_PKT_PPPOE),
e33163a4
AL		 1351 ICE_PKT_PROFILE(gre_ipv6_tcp, ICE_PKT_TUN_NVGRE | ICE_PKT_INNER_IPV6 |
1352 ICE_PKT_INNER_TCP),
1353 ICE_PKT_PROFILE(gre_tcp, ICE_PKT_TUN_NVGRE | ICE_PKT_INNER_TCP),
1354 ICE_PKT_PROFILE(gre_ipv6_udp, ICE_PKT_TUN_NVGRE | ICE_PKT_INNER_IPV6),
1355 ICE_PKT_PROFILE(gre_udp, ICE_PKT_TUN_NVGRE),
1356 ICE_PKT_PROFILE(udp_tun_ipv6_tcp, ICE_PKT_TUN_UDP |
1357 ICE_PKT_INNER_IPV6 |
1358 ICE_PKT_INNER_TCP),
cd634549
MS		 1359 ICE_PKT_PROFILE(ipv6_l2tpv3, ICE_PKT_L2TPV3 | ICE_PKT_OUTER_IPV6),
1360 ICE_PKT_PROFILE(ipv4_l2tpv3, ICE_PKT_L2TPV3),
e33163a4
AL		 1361 ICE_PKT_PROFILE(udp_tun_tcp, ICE_PKT_TUN_UDP | ICE_PKT_INNER_TCP),
1362 ICE_PKT_PROFILE(udp_tun_ipv6_udp, ICE_PKT_TUN_UDP |
1363 ICE_PKT_INNER_IPV6),
1364 ICE_PKT_PROFILE(udp_tun_udp, ICE_PKT_TUN_UDP),
e33163a4 1365 ICE_PKT_PROFILE(udp_ipv6, ICE_PKT_OUTER_IPV6 | ICE_PKT_INNER_UDP),
e33163a4 1366 ICE_PKT_PROFILE(udp, ICE_PKT_INNER_UDP),
e33163a4 1367 ICE_PKT_PROFILE(tcp_ipv6, ICE_PKT_OUTER_IPV6),
e33163a4
AL		 1368 ICE_PKT_PROFILE(tcp, 0),
1369};
1370
fd2a6b71
DN		 1371/* this is a recipe to profile association bitmap */
1372static DECLARE_BITMAP(recipe_to_profile[ICE_MAX_NUM_RECIPES],
1373 ICE_MAX_NUM_PROFILES);
1374
1375/* this is a profile to recipe association bitmap */
1376static DECLARE_BITMAP(profile_to_recipe[ICE_MAX_NUM_PROFILES],
1377 ICE_MAX_NUM_RECIPES);
1378
80d144c9
AV		 1379/**
1380 * ice_init_def_sw_recp - initialize the recipe book keeping tables
f9867df6 1381 * @hw: pointer to the HW struct
80d144c9
AV		 1382 *
1383 * Allocate memory for the entire recipe table and initialize the structures/
1384 * entries corresponding to basic recipes.
1385 */
5e24d598 1386int ice_init_def_sw_recp(struct ice_hw *hw)
80d144c9
AV		 1387{
1388 struct ice_sw_recipe *recps;
1389 u8 i;
1390
1391 recps = devm_kcalloc(ice_hw_to_dev(hw), ICE_MAX_NUM_RECIPES,
c6dfd690 1392 sizeof(*recps), GFP_KERNEL);
80d144c9 1393 if (!recps)
d54699e2 1394 return -ENOMEM;
80d144c9 1395
450052a4 1396 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
80d144c9
AV		 1397 recps[i].root_rid = i;
1398 INIT_LIST_HEAD(&recps[i].filt_rules);
334cb062 1399 INIT_LIST_HEAD(&recps[i].filt_replay_rules);
450052a4 1400 INIT_LIST_HEAD(&recps[i].rg_list);
80d144c9
AV		 1401 mutex_init(&recps[i].filt_rule_lock);
1402 }
1403
1404 hw->switch_info->recp_list = recps;
1405
1406 return 0;
1407}
1408
9c20346b
AV		 1409/**
1410 * ice_aq_get_sw_cfg - get switch configuration
1411 * @hw: pointer to the hardware structure
1412 * @buf: pointer to the result buffer
1413 * @buf_size: length of the buffer available for response
1414 * @req_desc: pointer to requested descriptor
1415 * @num_elems: pointer to number of elements
1416 * @cd: pointer to command details structure or NULL
1417 *
b3c38904 1418 * Get switch configuration (0x0200) to be placed in buf.
9c20346b
AV		 1419 * This admin command returns information such as initial VSI/port number
1420 * and switch ID it belongs to.
1421 *
1422 * NOTE: *req_desc is both an input/output parameter.
1423 * The caller of this function first calls this function with *request_desc set
df17b7e0 1424 * to 0. If the response from f/w has *req_desc set to 0, all the switch
9c20346b
AV		 1425 * configuration information has been returned; if non-zero (meaning not all
1426 * the information was returned), the caller should call this function again
1427 * with *req_desc set to the previous value returned by f/w to get the
1428 * next block of switch configuration information.
1429 *
1430 * *num_elems is output only parameter. This reflects the number of elements
1431 * in response buffer. The caller of this function to use *num_elems while
1432 * parsing the response buffer.
1433 */
5e24d598 1434static int
b3c38904 1435ice_aq_get_sw_cfg(struct ice_hw *hw, struct ice_aqc_get_sw_cfg_resp_elem *buf,
9c20346b
AV		 1436 u16 buf_size, u16 *req_desc, u16 *num_elems,
1437 struct ice_sq_cd *cd)
1438{
1439 struct ice_aqc_get_sw_cfg *cmd;
9c20346b 1440 struct ice_aq_desc desc;
5e24d598 1441 int status;
9c20346b
AV		 1442
1443 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_sw_cfg);
1444 cmd = &desc.params.get_sw_conf;
1445 cmd->element = cpu_to_le16(*req_desc);
1446
1447 status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
1448 if (!status) {
1449 *req_desc = le16_to_cpu(cmd->element);
1450 *num_elems = le16_to_cpu(cmd->num_elems);
1451 }
1452
1453 return status;
1454}
1455
3a858ba3
AV		 1456/**
1457 * ice_aq_add_vsi
f9867df6 1458 * @hw: pointer to the HW struct
3a858ba3
AV		 1459 * @vsi_ctx: pointer to a VSI context struct
1460 * @cd: pointer to command details structure or NULL
1461 *
1462 * Add a VSI context to the hardware (0x0210)
1463 */
5e24d598 1464static int
3a858ba3
AV		 1465ice_aq_add_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx,
1466 struct ice_sq_cd *cd)
1467{
1468 struct ice_aqc_add_update_free_vsi_resp *res;
1469 struct ice_aqc_add_get_update_free_vsi *cmd;
3a858ba3 1470 struct ice_aq_desc desc;
5e24d598 1471 int status;
3a858ba3
AV		 1472
1473 cmd = &desc.params.vsi_cmd;
0f9d5027 1474 res = &desc.params.add_update_free_vsi_res;
3a858ba3
AV		 1475
1476 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_vsi);
1477
1478 if (!vsi_ctx->alloc_from_pool)
1479 cmd->vsi_num = cpu_to_le16(vsi_ctx->vsi_num |
1480 ICE_AQ_VSI_IS_VALID);
1071a835 1481 cmd->vf_id = vsi_ctx->vf_num;
3a858ba3
AV		 1482
1483 cmd->vsi_flags = cpu_to_le16(vsi_ctx->flags);
1484
1485 desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD);
1486
1487 status = ice_aq_send_cmd(hw, &desc, &vsi_ctx->info,
1488 sizeof(vsi_ctx->info), cd);
1489
1490 if (!status) {
1491 vsi_ctx->vsi_num = le16_to_cpu(res->vsi_num) & ICE_AQ_VSI_NUM_M;
1492 vsi_ctx->vsis_allocd = le16_to_cpu(res->vsi_used);
1493 vsi_ctx->vsis_unallocated = le16_to_cpu(res->vsi_free);
1494 }
1495
1496 return status;
1497}
1498
0f9d5027
AV		 1499/**
1500 * ice_aq_free_vsi
f9867df6 1501 * @hw: pointer to the HW struct
0f9d5027
AV		 1502 * @vsi_ctx: pointer to a VSI context struct
1503 * @keep_vsi_alloc: keep VSI allocation as part of this PF's resources
1504 * @cd: pointer to command details structure or NULL
1505 *
1506 * Free VSI context info from hardware (0x0213)
1507 */
5e24d598 1508static int
0f9d5027
AV		 1509ice_aq_free_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx,
1510 bool keep_vsi_alloc, struct ice_sq_cd *cd)
1511{
1512 struct ice_aqc_add_update_free_vsi_resp *resp;
1513 struct ice_aqc_add_get_update_free_vsi *cmd;
1514 struct ice_aq_desc desc;
5e24d598 1515 int status;
0f9d5027
AV		 1516
1517 cmd = &desc.params.vsi_cmd;
1518 resp = &desc.params.add_update_free_vsi_res;
1519
1520 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_free_vsi);
1521
1522 cmd->vsi_num = cpu_to_le16(vsi_ctx->vsi_num | ICE_AQ_VSI_IS_VALID);
1523 if (keep_vsi_alloc)
1524 cmd->cmd_flags = cpu_to_le16(ICE_AQ_VSI_KEEP_ALLOC);
1525
1526 status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
1527 if (!status) {
1528 vsi_ctx->vsis_allocd = le16_to_cpu(resp->vsi_used);
1529 vsi_ctx->vsis_unallocated = le16_to_cpu(resp->vsi_free);
1530 }
1531
1532 return status;
1533}
1534
3a858ba3
AV		 1535/**
1536 * ice_aq_update_vsi
f9867df6 1537 * @hw: pointer to the HW struct
3a858ba3
AV		 1538 * @vsi_ctx: pointer to a VSI context struct
1539 * @cd: pointer to command details structure or NULL
1540 *
1541 * Update VSI context in the hardware (0x0211)
1542 */
5e24d598 1543static int
3a858ba3
AV		 1544ice_aq_update_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx,
1545 struct ice_sq_cd *cd)
1546{
1547 struct ice_aqc_add_update_free_vsi_resp *resp;
1548 struct ice_aqc_add_get_update_free_vsi *cmd;
1549 struct ice_aq_desc desc;
5e24d598 1550 int status;
3a858ba3
AV		 1551
1552 cmd = &desc.params.vsi_cmd;
0f9d5027 1553 resp = &desc.params.add_update_free_vsi_res;
3a858ba3
AV		 1554
1555 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_update_vsi);
1556
1557 cmd->vsi_num = cpu_to_le16(vsi_ctx->vsi_num | ICE_AQ_VSI_IS_VALID);
1558
1559 desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD);
1560
1561 status = ice_aq_send_cmd(hw, &desc, &vsi_ctx->info,
1562 sizeof(vsi_ctx->info), cd);
1563
1564 if (!status) {
1565 vsi_ctx->vsis_allocd = le16_to_cpu(resp->vsi_used);
1566 vsi_ctx->vsis_unallocated = le16_to_cpu(resp->vsi_free);
1567 }
1568
1569 return status;
1570}
1571
0f9d5027
AV		 1572/**
1573 * ice_is_vsi_valid - check whether the VSI is valid or not
f9867df6 1574 * @hw: pointer to the HW struct
0f9d5027
AV		 1575 * @vsi_handle: VSI handle
1576 *
1577 * check whether the VSI is valid or not
1578 */
4fb33f31 1579bool ice_is_vsi_valid(struct ice_hw *hw, u16 vsi_handle)
0f9d5027
AV		 1580{
1581 return vsi_handle < ICE_MAX_VSI && hw->vsi_ctx[vsi_handle];
1582}
1583
1584/**
f9867df6
AV		 1585 * ice_get_hw_vsi_num - return the HW VSI number
1586 * @hw: pointer to the HW struct
0f9d5027
AV		 1587 * @vsi_handle: VSI handle
1588 *
f9867df6 1589 * return the HW VSI number
0f9d5027
AV		 1590 * Caution: call this function only if VSI is valid (ice_is_vsi_valid)
1591 */
4fb33f31 1592u16 ice_get_hw_vsi_num(struct ice_hw *hw, u16 vsi_handle)
0f9d5027
AV		 1593{
1594 return hw->vsi_ctx[vsi_handle]->vsi_num;
1595}
1596
1597/**
1598 * ice_get_vsi_ctx - return the VSI context entry for a given VSI handle
f9867df6 1599 * @hw: pointer to the HW struct
0f9d5027
AV		 1600 * @vsi_handle: VSI handle
1601 *
1602 * return the VSI context entry for a given VSI handle
1603 */
4fb33f31 1604struct ice_vsi_ctx *ice_get_vsi_ctx(struct ice_hw *hw, u16 vsi_handle)
0f9d5027
AV		 1605{
1606 return (vsi_handle >= ICE_MAX_VSI) ? NULL : hw->vsi_ctx[vsi_handle];
1607}
1608
1609/**
1610 * ice_save_vsi_ctx - save the VSI context for a given VSI handle
f9867df6 1611 * @hw: pointer to the HW struct
0f9d5027
AV		 1612 * @vsi_handle: VSI handle
1613 * @vsi: VSI context pointer
1614 *
1615 * save the VSI context entry for a given VSI handle
1616 */
c8b7abdd
BA		 1617static void
1618ice_save_vsi_ctx(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi)
0f9d5027
AV		 1619{
1620 hw->vsi_ctx[vsi_handle] = vsi;
1621}
1622
bb87ee0e
AV		 1623/**
1624 * ice_clear_vsi_q_ctx - clear VSI queue contexts for all TCs
1625 * @hw: pointer to the HW struct
1626 * @vsi_handle: VSI handle
1627 */
1628static void ice_clear_vsi_q_ctx(struct ice_hw *hw, u16 vsi_handle)
1629{
ad667d62 1630 struct ice_vsi_ctx *vsi = ice_get_vsi_ctx(hw, vsi_handle);
bb87ee0e
AV		 1631 u8 i;
1632
bb87ee0e
AV		 1633 if (!vsi)
1634 return;
1635 ice_for_each_traffic_class(i) {
ad667d62
PK		 1636 devm_kfree(ice_hw_to_dev(hw), vsi->lan_q_ctx[i]);
1637 vsi->lan_q_ctx[i] = NULL;
1638 devm_kfree(ice_hw_to_dev(hw), vsi->rdma_q_ctx[i]);
1639 vsi->rdma_q_ctx[i] = NULL;
bb87ee0e
AV		 1640 }
1641}
1642
0f9d5027
AV		 1643/**
1644 * ice_clear_vsi_ctx - clear the VSI context entry
f9867df6 1645 * @hw: pointer to the HW struct
0f9d5027
AV		 1646 * @vsi_handle: VSI handle
1647 *
1648 * clear the VSI context entry
1649 */
1650static void ice_clear_vsi_ctx(struct ice_hw *hw, u16 vsi_handle)
1651{
1652 struct ice_vsi_ctx *vsi;
1653
1654 vsi = ice_get_vsi_ctx(hw, vsi_handle);
1655 if (vsi) {
bb87ee0e 1656 ice_clear_vsi_q_ctx(hw, vsi_handle);
0f9d5027
AV		 1657 devm_kfree(ice_hw_to_dev(hw), vsi);
1658 hw->vsi_ctx[vsi_handle] = NULL;
1659 }
1660}
1661
33e055fc
VR		 1662/**
1663 * ice_clear_all_vsi_ctx - clear all the VSI context entries
f9867df6 1664 * @hw: pointer to the HW struct
33e055fc
VR		 1665 */
1666void ice_clear_all_vsi_ctx(struct ice_hw *hw)
1667{
1668 u16 i;
1669
1670 for (i = 0; i < ICE_MAX_VSI; i++)
1671 ice_clear_vsi_ctx(hw, i);
1672}
1673
0f9d5027
AV		 1674/**
1675 * ice_add_vsi - add VSI context to the hardware and VSI handle list
f9867df6 1676 * @hw: pointer to the HW struct
0f9d5027 1677 * @vsi_handle: unique VSI handle provided by drivers
3a858ba3 1678 * @vsi_ctx: pointer to a VSI context struct
3a858ba3
AV		 1679 * @cd: pointer to command details structure or NULL
1680 *
0f9d5027
AV		 1681 * Add a VSI context to the hardware also add it into the VSI handle list.
1682 * If this function gets called after reset for existing VSIs then update
1683 * with the new HW VSI number in the corresponding VSI handle list entry.
3a858ba3 1684 */
5e24d598 1685int
0f9d5027
AV		 1686ice_add_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,
1687 struct ice_sq_cd *cd)
3a858ba3 1688{
0f9d5027 1689 struct ice_vsi_ctx *tmp_vsi_ctx;
5e24d598 1690 int status;
3a858ba3 1691
0f9d5027 1692 if (vsi_handle >= ICE_MAX_VSI)
d54699e2 1693 return -EINVAL;
0f9d5027
AV		 1694 status = ice_aq_add_vsi(hw, vsi_ctx, cd);
1695 if (status)
1696 return status;
1697 tmp_vsi_ctx = ice_get_vsi_ctx(hw, vsi_handle);
1698 if (!tmp_vsi_ctx) {
f9867df6 1699 /* Create a new VSI context */
0f9d5027
AV		 1700 tmp_vsi_ctx = devm_kzalloc(ice_hw_to_dev(hw),
1701 sizeof(*tmp_vsi_ctx), GFP_KERNEL);
1702 if (!tmp_vsi_ctx) {
1703 ice_aq_free_vsi(hw, vsi_ctx, false, cd);
d54699e2 1704 return -ENOMEM;
0f9d5027
AV		 1705 }
1706 *tmp_vsi_ctx = *vsi_ctx;
1707 ice_save_vsi_ctx(hw, vsi_handle, tmp_vsi_ctx);
1708 } else {
1709 /* update with new HW VSI num */
87a2e498 1710 tmp_vsi_ctx->vsi_num = vsi_ctx->vsi_num;
0f9d5027 1711 }
3a858ba3 1712
1b5c19c7 1713 return 0;
0f9d5027 1714}
3a858ba3 1715
0f9d5027
AV		 1716/**
1717 * ice_free_vsi- free VSI context from hardware and VSI handle list
f9867df6 1718 * @hw: pointer to the HW struct
0f9d5027
AV		 1719 * @vsi_handle: unique VSI handle
1720 * @vsi_ctx: pointer to a VSI context struct
1721 * @keep_vsi_alloc: keep VSI allocation as part of this PF's resources
1722 * @cd: pointer to command details structure or NULL
1723 *
1724 * Free VSI context info from hardware as well as from VSI handle list
1725 */
5e24d598 1726int
0f9d5027
AV		 1727ice_free_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,
1728 bool keep_vsi_alloc, struct ice_sq_cd *cd)
1729{
5e24d598 1730 int status;
3a858ba3 1731
0f9d5027 1732 if (!ice_is_vsi_valid(hw, vsi_handle))
d54699e2 1733 return -EINVAL;
0f9d5027
AV		 1734 vsi_ctx->vsi_num = ice_get_hw_vsi_num(hw, vsi_handle);
1735 status = ice_aq_free_vsi(hw, vsi_ctx, keep_vsi_alloc, cd);
1736 if (!status)
1737 ice_clear_vsi_ctx(hw, vsi_handle);
3a858ba3
AV		 1738 return status;
1739}
1740
5726ca0e
AV		 1741/**
1742 * ice_update_vsi
f9867df6 1743 * @hw: pointer to the HW struct
5726ca0e
AV		 1744 * @vsi_handle: unique VSI handle
1745 * @vsi_ctx: pointer to a VSI context struct
1746 * @cd: pointer to command details structure or NULL
1747 *
1748 * Update VSI context in the hardware
1749 */
5e24d598 1750int
5726ca0e
AV		 1751ice_update_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,
1752 struct ice_sq_cd *cd)
1753{
1754 if (!ice_is_vsi_valid(hw, vsi_handle))
d54699e2 1755 return -EINVAL;
5726ca0e
AV		 1756 vsi_ctx->vsi_num = ice_get_hw_vsi_num(hw, vsi_handle);
1757 return ice_aq_update_vsi(hw, vsi_ctx, cd);
1758}
1759
348048e7
DE		 1760/**
1761 * ice_cfg_rdma_fltr - enable/disable RDMA filtering on VSI
1762 * @hw: pointer to HW struct
1763 * @vsi_handle: VSI SW index
1764 * @enable: boolean for enable/disable
1765 */
1766int
1767ice_cfg_rdma_fltr(struct ice_hw *hw, u16 vsi_handle, bool enable)
1768{
d94dbdc4
BC		 1769 struct ice_vsi_ctx *ctx, *cached_ctx;
1770 int status;
1771
1772 cached_ctx = ice_get_vsi_ctx(hw, vsi_handle);
1773 if (!cached_ctx)
1774 return -ENOENT;
348048e7 1775
d94dbdc4 1776 ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
348048e7 1777 if (!ctx)
d94dbdc4
BC		 1778 return -ENOMEM;
1779
1780 ctx->info.q_opt_rss = cached_ctx->info.q_opt_rss;
1781 ctx->info.q_opt_tc = cached_ctx->info.q_opt_tc;
1782 ctx->info.q_opt_flags = cached_ctx->info.q_opt_flags;
1783
1784 ctx->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_Q_OPT_VALID);
348048e7
DE		 1785
1786 if (enable)
1787 ctx->info.q_opt_flags |= ICE_AQ_VSI_Q_OPT_PE_FLTR_EN;
1788 else
1789 ctx->info.q_opt_flags &= ~ICE_AQ_VSI_Q_OPT_PE_FLTR_EN;
1790
d94dbdc4
BC		 1791 status = ice_update_vsi(hw, vsi_handle, ctx, NULL);
1792 if (!status) {
1793 cached_ctx->info.q_opt_flags = ctx->info.q_opt_flags;
1794 cached_ctx->info.valid_sections |= ctx->info.valid_sections;
1795 }
1796
1797 kfree(ctx);
1798 return status;
348048e7
DE		 1799}
1800
9daf8208
AV		 1801/**
1802 * ice_aq_alloc_free_vsi_list
f9867df6
AV		 1803 * @hw: pointer to the HW struct
1804 * @vsi_list_id: VSI list ID returned or used for lookup
9daf8208
AV		 1805 * @lkup_type: switch rule filter lookup type
1806 * @opc: switch rules population command type - pass in the command opcode
1807 *
1808 * allocates or free a VSI list resource
1809 */
5e24d598 1810static int
9daf8208
AV		 1811ice_aq_alloc_free_vsi_list(struct ice_hw *hw, u16 *vsi_list_id,
1812 enum ice_sw_lkup_type lkup_type,
1813 enum ice_adminq_opc opc)
1814{
d8e45f29 1815 DEFINE_RAW_FLEX(struct ice_aqc_alloc_free_res_elem, sw_buf, elem, 1);
e268b972 1816 u16 buf_len = __struct_size(sw_buf);
9daf8208 1817 struct ice_aqc_res_elem *vsi_ele;
5518ac2a 1818 int status;
9daf8208 1819
9daf8208
AV		 1820 sw_buf->num_elems = cpu_to_le16(1);
1821
1822 if (lkup_type == ICE_SW_LKUP_MAC ||
1823 lkup_type == ICE_SW_LKUP_MAC_VLAN ||
1824 lkup_type == ICE_SW_LKUP_ETHERTYPE ||
1825 lkup_type == ICE_SW_LKUP_ETHERTYPE_MAC ||
1826 lkup_type == ICE_SW_LKUP_PROMISC ||
d7393425
MW		 1827 lkup_type == ICE_SW_LKUP_PROMISC_VLAN ||
1828 lkup_type == ICE_SW_LKUP_DFLT) {
9daf8208
AV		 1829 sw_buf->res_type = cpu_to_le16(ICE_AQC_RES_TYPE_VSI_LIST_REP);
1830 } else if (lkup_type == ICE_SW_LKUP_VLAN) {
23ccae5c
DE		 1831 if (opc == ice_aqc_opc_alloc_res)
1832 sw_buf->res_type =
1833 cpu_to_le16(ICE_AQC_RES_TYPE_VSI_LIST_PRUNE |
1834 ICE_AQC_RES_TYPE_FLAG_SHARED);
1835 else
1836 sw_buf->res_type =
1837 cpu_to_le16(ICE_AQC_RES_TYPE_VSI_LIST_PRUNE);
9daf8208 1838 } else {
e268b972 1839 return -EINVAL;
9daf8208
AV		 1840 }
1841
1842 if (opc == ice_aqc_opc_free_res)
1843 sw_buf->elem[0].e.sw_resp = cpu_to_le16(*vsi_list_id);
1844
52da2fb2 1845 status = ice_aq_alloc_free_res(hw, sw_buf, buf_len, opc);
9daf8208 1846 if (status)
e268b972 1847 return status;
9daf8208
AV		 1848
1849 if (opc == ice_aqc_opc_alloc_res) {
1850 vsi_ele = &sw_buf->elem[0];
1851 *vsi_list_id = le16_to_cpu(vsi_ele->e.sw_resp);
1852 }
1853
e268b972 1854 return 0;
9daf8208
AV		 1855}
1856
1857/**
1858 * ice_aq_sw_rules - add/update/remove switch rules
f9867df6 1859 * @hw: pointer to the HW struct
9daf8208
AV		 1860 * @rule_list: pointer to switch rule population list
1861 * @rule_list_sz: total size of the rule list in bytes
1862 * @num_rules: number of switch rules in the rule_list
1863 * @opc: switch rules population command type - pass in the command opcode
1864 * @cd: pointer to command details structure or NULL
1865 *
1866 * Add(0x02a0)/Update(0x02a1)/Remove(0x02a2) switch rules commands to firmware
1867 */
5e24d598 1868int
9daf8208
AV		 1869ice_aq_sw_rules(struct ice_hw *hw, void *rule_list, u16 rule_list_sz,
1870 u8 num_rules, enum ice_adminq_opc opc, struct ice_sq_cd *cd)
1871{
1872 struct ice_aq_desc desc;
5e24d598 1873 int status;
9daf8208
AV		 1874
1875 if (opc != ice_aqc_opc_add_sw_rules &&
1876 opc != ice_aqc_opc_update_sw_rules &&
1877 opc != ice_aqc_opc_remove_sw_rules)
d54699e2 1878 return -EINVAL;
9daf8208
AV		 1879
1880 ice_fill_dflt_direct_cmd_desc(&desc, opc);
1881
1882 desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD);
1883 desc.params.sw_rules.num_rules_fltr_entry_index =
1884 cpu_to_le16(num_rules);
ca1fdb88
KP		 1885 status = ice_aq_send_cmd(hw, &desc, rule_list, rule_list_sz, cd);
1886 if (opc != ice_aqc_opc_add_sw_rules &&
1887 hw->adminq.sq_last_status == ICE_AQ_RC_ENOENT)
d54699e2 1888 status = -ENOENT;
ca1fdb88
KP		 1889
1890 return status;
9daf8208
AV		 1891}
1892
7715ec32
GK		 1893/**
1894 * ice_aq_add_recipe - add switch recipe
1895 * @hw: pointer to the HW struct
1896 * @s_recipe_list: pointer to switch rule population list
1897 * @num_recipes: number of switch recipes in the list
1898 * @cd: pointer to command details structure or NULL
1899 *
1900 * Add(0x0290)
1901 */
23ccae5c 1902int
7715ec32
GK		 1903ice_aq_add_recipe(struct ice_hw *hw,
1904 struct ice_aqc_recipe_data_elem *s_recipe_list,
1905 u16 num_recipes, struct ice_sq_cd *cd)
1906{
1907 struct ice_aqc_add_get_recipe *cmd;
1908 struct ice_aq_desc desc;
1909 u16 buf_size;
1910
1911 cmd = &desc.params.add_get_recipe;
1912 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_recipe);
1913
1914 cmd->num_sub_recipes = cpu_to_le16(num_recipes);
1915 desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD);
1916
1917 buf_size = num_recipes * sizeof(*s_recipe_list);
1918
1919 return ice_aq_send_cmd(hw, &desc, s_recipe_list, buf_size, cd);
1920}
1921
1922/**
1923 * ice_aq_get_recipe - get switch recipe
1924 * @hw: pointer to the HW struct
1925 * @s_recipe_list: pointer to switch rule population list
1926 * @num_recipes: pointer to the number of recipes (input and output)
1927 * @recipe_root: root recipe number of recipe(s) to retrieve
1928 * @cd: pointer to command details structure or NULL
1929 *
1930 * Get(0x0292)
1931 *
1932 * On input, *num_recipes should equal the number of entries in s_recipe_list.
1933 * On output, *num_recipes will equal the number of entries returned in
1934 * s_recipe_list.
1935 *
1936 * The caller must supply enough space in s_recipe_list to hold all possible
1937 * recipes and *num_recipes must equal ICE_MAX_NUM_RECIPES.
1938 */
23ccae5c 1939int
7715ec32
GK		 1940ice_aq_get_recipe(struct ice_hw *hw,
1941 struct ice_aqc_recipe_data_elem *s_recipe_list,
1942 u16 *num_recipes, u16 recipe_root, struct ice_sq_cd *cd)
1943{
1944 struct ice_aqc_add_get_recipe *cmd;
1945 struct ice_aq_desc desc;
7715ec32 1946 u16 buf_size;
5518ac2a 1947 int status;
7715ec32
GK		 1948
1949 if (*num_recipes != ICE_MAX_NUM_RECIPES)
d54699e2 1950 return -EINVAL;
7715ec32
GK		 1951
1952 cmd = &desc.params.add_get_recipe;
1953 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_recipe);
1954
1955 cmd->return_index = cpu_to_le16(recipe_root);
1956 cmd->num_sub_recipes = 0;
1957
1958 buf_size = *num_recipes * sizeof(*s_recipe_list);
1959
1960 status = ice_aq_send_cmd(hw, &desc, s_recipe_list, buf_size, cd);
1961 *num_recipes = le16_to_cpu(cmd->num_sub_recipes);
1962
1963 return status;
1964}
1965
a1ffafb0
BC		 1966/**
1967 * ice_update_recipe_lkup_idx - update a default recipe based on the lkup_idx
1968 * @hw: pointer to the HW struct
1969 * @params: parameters used to update the default recipe
1970 *
1971 * This function only supports updating default recipes and it only supports
1972 * updating a single recipe based on the lkup_idx at a time.
1973 *
1974 * This is done as a read-modify-write operation. First, get the current recipe
1975 * contents based on the recipe's ID. Then modify the field vector index and
1976 * mask if it's valid at the lkup_idx. Finally, use the add recipe AQ to update
1977 * the pre-existing recipe with the modifications.
1978 */
1979int
1980ice_update_recipe_lkup_idx(struct ice_hw *hw,
1981 struct ice_update_recipe_lkup_idx_params *params)
1982{
1983 struct ice_aqc_recipe_data_elem *rcp_list;
1984 u16 num_recps = ICE_MAX_NUM_RECIPES;
1985 int status;
1986
1987 rcp_list = kcalloc(num_recps, sizeof(*rcp_list), GFP_KERNEL);
1988 if (!rcp_list)
1989 return -ENOMEM;
1990
1991 /* read current recipe list from firmware */
1992 rcp_list->recipe_indx = params->rid;
1993 status = ice_aq_get_recipe(hw, rcp_list, &num_recps, params->rid, NULL);
1994 if (status) {
1995 ice_debug(hw, ICE_DBG_SW, "Failed to get recipe %d, status %d\n",
1996 params->rid, status);
1997 goto error_out;
1998 }
1999
2000 /* only modify existing recipe's lkup_idx and mask if valid, while
2001 * leaving all other fields the same, then update the recipe firmware
2002 */
2003 rcp_list->content.lkup_indx[params->lkup_idx] = params->fv_idx;
2004 if (params->mask_valid)
2005 rcp_list->content.mask[params->lkup_idx] =
2006 cpu_to_le16(params->mask);
2007
2008 if (params->ignore_valid)
2009 rcp_list->content.lkup_indx[params->lkup_idx] |=
2010 ICE_AQ_RECIPE_LKUP_IGNORE;
2011
2012 status = ice_aq_add_recipe(hw, &rcp_list[0], 1, NULL);
2013 if (status)
2014 ice_debug(hw, ICE_DBG_SW, "Failed to update recipe %d lkup_idx %d fv_idx %d mask %d mask_valid %s, status %d\n",
2015 params->rid, params->lkup_idx, params->fv_idx,
2016 params->mask, params->mask_valid ? "true" : "false",
2017 status);
2018
2019error_out:
2020 kfree(rcp_list);
2021 return status;
2022}
2023
7715ec32
GK		 2024/**
2025 * ice_aq_map_recipe_to_profile - Map recipe to packet profile
2026 * @hw: pointer to the HW struct
2027 * @profile_id: package profile ID to associate the recipe with
817b1896 2028 * @r_assoc: Recipe bitmap filled in and need to be returned as response
7715ec32
GK		 2029 * @cd: pointer to command details structure or NULL
2030 * Recipe to profile association (0x0291)
2031 */
23ccae5c 2032int
817b1896 2033ice_aq_map_recipe_to_profile(struct ice_hw *hw, u32 profile_id, u64 r_assoc,
7715ec32
GK		 2034 struct ice_sq_cd *cd)
2035{
2036 struct ice_aqc_recipe_to_profile *cmd;
2037 struct ice_aq_desc desc;
2038
2039 cmd = &desc.params.recipe_to_profile;
2040 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_recipe_to_profile);
2041 cmd->profile_id = cpu_to_le16(profile_id);
2042 /* Set the recipe ID bit in the bitmask to let the device know which
2043 * profile we are associating the recipe to
2044 */
817b1896 2045 cmd->recipe_assoc = cpu_to_le64(r_assoc);
7715ec32
GK		 2046
2047 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
2048}
2049
2050/**
2051 * ice_aq_get_recipe_to_profile - Map recipe to packet profile
2052 * @hw: pointer to the HW struct
2053 * @profile_id: package profile ID to associate the recipe with
817b1896 2054 * @r_assoc: Recipe bitmap filled in and need to be returned as response
7715ec32
GK		 2055 * @cd: pointer to command details structure or NULL
2056 * Associate profile ID with given recipe (0x0293)
2057 */
23ccae5c 2058int
817b1896 2059ice_aq_get_recipe_to_profile(struct ice_hw *hw, u32 profile_id, u64 *r_assoc,
7715ec32
GK		 2060 struct ice_sq_cd *cd)
2061{
2062 struct ice_aqc_recipe_to_profile *cmd;
2063 struct ice_aq_desc desc;
5e24d598 2064 int status;
7715ec32
GK		 2065
2066 cmd = &desc.params.recipe_to_profile;
2067 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_recipe_to_profile);
2068 cmd->profile_id = cpu_to_le16(profile_id);
2069
2070 status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
2071 if (!status)
817b1896 2072 *r_assoc = le64_to_cpu(cmd->recipe_assoc);
7715ec32
GK		 2073
2074 return status;
2075}
2076
2077/**
2078 * ice_alloc_recipe - add recipe resource
2079 * @hw: pointer to the hardware structure
2080 * @rid: recipe ID returned as response to AQ call
2081 */
23ccae5c 2082int ice_alloc_recipe(struct ice_hw *hw, u16 *rid)
7715ec32 2083{
d8e45f29 2084 DEFINE_RAW_FLEX(struct ice_aqc_alloc_free_res_elem, sw_buf, elem, 1);
e268b972 2085 u16 buf_len = __struct_size(sw_buf);
5518ac2a 2086 int status;
7715ec32 2087
7715ec32
GK		 2088 sw_buf->num_elems = cpu_to_le16(1);
2089 sw_buf->res_type = cpu_to_le16((ICE_AQC_RES_TYPE_RECIPE <<
2090 ICE_AQC_RES_TYPE_S) |
2091 ICE_AQC_RES_TYPE_FLAG_SHARED);
52da2fb2
PK		 2092 status = ice_aq_alloc_free_res(hw, sw_buf, buf_len,
2093 ice_aqc_opc_alloc_res);
7715ec32
GK		 2094 if (!status)
2095 *rid = le16_to_cpu(sw_buf->elem[0].e.sw_resp);
7715ec32
GK		 2096
2097 return status;
2098}
2099
fd2a6b71
DN		 2100/**
2101 * ice_get_recp_to_prof_map - updates recipe to profile mapping
2102 * @hw: pointer to hardware structure
2103 *
2104 * This function is used to populate recipe_to_profile matrix where index to
2105 * this array is the recipe ID and the element is the mapping of which profiles
2106 * is this recipe mapped to.
2107 */
2108static void ice_get_recp_to_prof_map(struct ice_hw *hw)
2109{
2110 DECLARE_BITMAP(r_bitmap, ICE_MAX_NUM_RECIPES);
817b1896 2111 u64 recp_assoc;
fd2a6b71
DN		 2112 u16 i;
2113
2114 for (i = 0; i < hw->switch_info->max_used_prof_index + 1; i++) {
2115 u16 j;
2116
2117 bitmap_zero(profile_to_recipe[i], ICE_MAX_NUM_RECIPES);
2118 bitmap_zero(r_bitmap, ICE_MAX_NUM_RECIPES);
817b1896 2119 if (ice_aq_get_recipe_to_profile(hw, i, &recp_assoc, NULL))
fd2a6b71 2120 continue;
817b1896 2121 bitmap_from_arr64(r_bitmap, &recp_assoc, ICE_MAX_NUM_RECIPES);
fd2a6b71
DN		 2122 bitmap_copy(profile_to_recipe[i], r_bitmap,
2123 ICE_MAX_NUM_RECIPES);
2124 for_each_set_bit(j, r_bitmap, ICE_MAX_NUM_RECIPES)
2125 set_bit(i, recipe_to_profile[j]);
2126 }
2127}
2128
2129/**
2130 * ice_collect_result_idx - copy result index values
2131 * @buf: buffer that contains the result index
2132 * @recp: the recipe struct to copy data into
2133 */
2134static void
2135ice_collect_result_idx(struct ice_aqc_recipe_data_elem *buf,
2136 struct ice_sw_recipe *recp)
2137{
2138 if (buf->content.result_indx & ICE_AQ_RECIPE_RESULT_EN)
2139 set_bit(buf->content.result_indx & ~ICE_AQ_RECIPE_RESULT_EN,
2140 recp->res_idxs);
2141}
2142
2143/**
2144 * ice_get_recp_frm_fw - update SW bookkeeping from FW recipe entries
2145 * @hw: pointer to hardware structure
2146 * @recps: struct that we need to populate
2147 * @rid: recipe ID that we are populating
2148 * @refresh_required: true if we should get recipe to profile mapping from FW
2149 *
2150 * This function is used to populate all the necessary entries into our
2151 * bookkeeping so that we have a current list of all the recipes that are
2152 * programmed in the firmware.
2153 */
5e24d598 2154static int
fd2a6b71
DN		 2155ice_get_recp_frm_fw(struct ice_hw *hw, struct ice_sw_recipe *recps, u8 rid,
2156 bool *refresh_required)
2157{
2158 DECLARE_BITMAP(result_bm, ICE_MAX_FV_WORDS);
2159 struct ice_aqc_recipe_data_elem *tmp;
2160 u16 num_recps = ICE_MAX_NUM_RECIPES;
2161 struct ice_prot_lkup_ext *lkup_exts;
fd2a6b71
DN		 2162 u8 fv_word_idx = 0;
2163 u16 sub_recps;
5518ac2a 2164 int status;
fd2a6b71
DN		 2165
2166 bitmap_zero(result_bm, ICE_MAX_FV_WORDS);
2167
2168 /* we need a buffer big enough to accommodate all the recipes */
2169 tmp = kcalloc(ICE_MAX_NUM_RECIPES, sizeof(*tmp), GFP_KERNEL);
2170 if (!tmp)
d54699e2 2171 return -ENOMEM;
fd2a6b71
DN		 2172
2173 tmp[0].recipe_indx = rid;
2174 status = ice_aq_get_recipe(hw, tmp, &num_recps, rid, NULL);
2175 /* non-zero status meaning recipe doesn't exist */
2176 if (status)
2177 goto err_unroll;
2178
2179 /* Get recipe to profile map so that we can get the fv from lkups that
2180 * we read for a recipe from FW. Since we want to minimize the number of
2181 * times we make this FW call, just make one call and cache the copy
2182 * until a new recipe is added. This operation is only required the
2183 * first time to get the changes from FW. Then to search existing
2184 * entries we don't need to update the cache again until another recipe
2185 * gets added.
2186 */
2187 if (*refresh_required) {
2188 ice_get_recp_to_prof_map(hw);
2189 *refresh_required = false;
2190 }
2191
2192 /* Start populating all the entries for recps[rid] based on lkups from
2193 * firmware. Note that we are only creating the root recipe in our
2194 * database.
2195 */
2196 lkup_exts = &recps[rid].lkup_exts;
2197
2198 for (sub_recps = 0; sub_recps < num_recps; sub_recps++) {
2199 struct ice_aqc_recipe_data_elem root_bufs = tmp[sub_recps];
2200 struct ice_recp_grp_entry *rg_entry;
2201 u8 i, prof, idx, prot = 0;
2202 bool is_root;
2203 u16 off = 0;
2204
2205 rg_entry = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*rg_entry),
2206 GFP_KERNEL);
2207 if (!rg_entry) {
d54699e2 2208 status = -ENOMEM;
fd2a6b71
DN		 2209 goto err_unroll;
2210 }
2211
2212 idx = root_bufs.recipe_indx;
2213 is_root = root_bufs.content.rid & ICE_AQ_RECIPE_ID_IS_ROOT;
2214
2215 /* Mark all result indices in this chain */
2216 if (root_bufs.content.result_indx & ICE_AQ_RECIPE_RESULT_EN)
2217 set_bit(root_bufs.content.result_indx & ~ICE_AQ_RECIPE_RESULT_EN,
2218 result_bm);
2219
2220 /* get the first profile that is associated with rid */
2221 prof = find_first_bit(recipe_to_profile[idx],
2222 ICE_MAX_NUM_PROFILES);
2223 for (i = 0; i < ICE_NUM_WORDS_RECIPE; i++) {
2224 u8 lkup_indx = root_bufs.content.lkup_indx[i + 1];
2225
2226 rg_entry->fv_idx[i] = lkup_indx;
2227 rg_entry->fv_mask[i] =
2228 le16_to_cpu(root_bufs.content.mask[i + 1]);
2229
2230 /* If the recipe is a chained recipe then all its
2231 * child recipe's result will have a result index.
2232 * To fill fv_words we should not use those result
2233 * index, we only need the protocol ids and offsets.
2234 * We will skip all the fv_idx which stores result
2235 * index in them. We also need to skip any fv_idx which
2236 * has ICE_AQ_RECIPE_LKUP_IGNORE or 0 since it isn't a
2237 * valid offset value.
2238 */
2239 if (test_bit(rg_entry->fv_idx[i], hw->switch_info->prof_res_bm[prof]) ||
2240 rg_entry->fv_idx[i] & ICE_AQ_RECIPE_LKUP_IGNORE ||
2241 rg_entry->fv_idx[i] == 0)
2242 continue;
2243
2244 ice_find_prot_off(hw, ICE_BLK_SW, prof,
2245 rg_entry->fv_idx[i], &prot, &off);
2246 lkup_exts->fv_words[fv_word_idx].prot_id = prot;
2247 lkup_exts->fv_words[fv_word_idx].off = off;
2248 lkup_exts->field_mask[fv_word_idx] =
2249 rg_entry->fv_mask[i];
2250 fv_word_idx++;
2251 }
2252 /* populate rg_list with the data from the child entry of this
2253 * recipe
2254 */
2255 list_add(&rg_entry->l_entry, &recps[rid].rg_list);
2256
2257 /* Propagate some data to the recipe database */
2258 recps[idx].is_root = !!is_root;
2259 recps[idx].priority = root_bufs.content.act_ctrl_fwd_priority;
bccd9bce
MS		 2260 recps[idx].need_pass_l2 = root_bufs.content.act_ctrl &
2261 ICE_AQ_RECIPE_ACT_NEED_PASS_L2;
2262 recps[idx].allow_pass_l2 = root_bufs.content.act_ctrl &
2263 ICE_AQ_RECIPE_ACT_ALLOW_PASS_L2;
fd2a6b71
DN		 2264 bitmap_zero(recps[idx].res_idxs, ICE_MAX_FV_WORDS);
2265 if (root_bufs.content.result_indx & ICE_AQ_RECIPE_RESULT_EN) {
2266 recps[idx].chain_idx = root_bufs.content.result_indx &
2267 ~ICE_AQ_RECIPE_RESULT_EN;
2268 set_bit(recps[idx].chain_idx, recps[idx].res_idxs);
2269 } else {
2270 recps[idx].chain_idx = ICE_INVAL_CHAIN_IND;
2271 }
2272
2273 if (!is_root)
2274 continue;
2275
2276 /* Only do the following for root recipes entries */
2277 memcpy(recps[idx].r_bitmap, root_bufs.recipe_bitmap,
2278 sizeof(recps[idx].r_bitmap));
2279 recps[idx].root_rid = root_bufs.content.rid &
2280 ~ICE_AQ_RECIPE_ID_IS_ROOT;
2281 recps[idx].priority = root_bufs.content.act_ctrl_fwd_priority;
2282 }
2283
2284 /* Complete initialization of the root recipe entry */
2285 lkup_exts->n_val_words = fv_word_idx;
2286 recps[rid].big_recp = (num_recps > 1);
2287 recps[rid].n_grp_count = (u8)num_recps;
2288 recps[rid].root_buf = devm_kmemdup(ice_hw_to_dev(hw), tmp,
2289 recps[rid].n_grp_count * sizeof(*recps[rid].root_buf),
2290 GFP_KERNEL);
c8e51a01 2291 if (!recps[rid].root_buf) {
d54699e2 2292 status = -ENOMEM;
fd2a6b71 2293 goto err_unroll;
c8e51a01 2294 }
fd2a6b71
DN		 2295
2296 /* Copy result indexes */
2297 bitmap_copy(recps[rid].res_idxs, result_bm, ICE_MAX_FV_WORDS);
2298 recps[rid].recp_created = true;
2299
2300err_unroll:
2301 kfree(tmp);
2302 return status;
2303}
2304
9c20346b
AV		 2305/* ice_init_port_info - Initialize port_info with switch configuration data
2306 * @pi: pointer to port_info
2307 * @vsi_port_num: VSI number or port number
2308 * @type: Type of switch element (port or VSI)
2309 * @swid: switch ID of the switch the element is attached to
2310 * @pf_vf_num: PF or VF number
2311 * @is_vf: true if the element is a VF, false otherwise
2312 */
2313static void
2314ice_init_port_info(struct ice_port_info *pi, u16 vsi_port_num, u8 type,
2315 u16 swid, u16 pf_vf_num, bool is_vf)
2316{
2317 switch (type) {
2318 case ICE_AQC_GET_SW_CONF_RESP_PHYS_PORT:
2319 pi->lport = (u8)(vsi_port_num & ICE_LPORT_MASK);
2320 pi->sw_id = swid;
2321 pi->pf_vf_num = pf_vf_num;
2322 pi->is_vf = is_vf;
9c20346b
AV		 2323 break;
2324 default:
9228d8b2 2325 ice_debug(pi->hw, ICE_DBG_SW, "incorrect VSI/port type received\n");
9c20346b
AV		 2326 break;
2327 }
2328}
2329
2330/* ice_get_initial_sw_cfg - Get initial port and default VSI data
2331 * @hw: pointer to the hardware structure
2332 */
5e24d598 2333int ice_get_initial_sw_cfg(struct ice_hw *hw)
9c20346b 2334{
b3c38904 2335 struct ice_aqc_get_sw_cfg_resp_elem *rbuf;
9c20346b
AV		 2336 u16 req_desc = 0;
2337 u16 num_elems;
5518ac2a 2338 int status;
9c20346b
AV		 2339 u16 i;
2340
1b9e740d 2341 rbuf = kzalloc(ICE_SW_CFG_MAX_BUF_LEN, GFP_KERNEL);
9c20346b 2342 if (!rbuf)
d54699e2 2343 return -ENOMEM;
9c20346b
AV		 2344
2345 /* Multiple calls to ice_aq_get_sw_cfg may be required
2346 * to get all the switch configuration information. The need
2347 * for additional calls is indicated by ice_aq_get_sw_cfg
2348 * writing a non-zero value in req_desc
2349 */
2350 do {
b3c38904
BA		 2351 struct ice_aqc_get_sw_cfg_resp_elem *ele;
2352
9c20346b
AV		 2353 status = ice_aq_get_sw_cfg(hw, rbuf, ICE_SW_CFG_MAX_BUF_LEN,
2354 &req_desc, &num_elems, NULL);
2355
2356 if (status)
2357 break;
2358
b3c38904 2359 for (i = 0, ele = rbuf; i < num_elems; i++, ele++) {
9c20346b
AV		 2360 u16 pf_vf_num, swid, vsi_port_num;
2361 bool is_vf = false;
6dae8aa0 2362 u8 res_type;
9c20346b 2363
9c20346b
AV		 2364 vsi_port_num = le16_to_cpu(ele->vsi_port_num) &
2365 ICE_AQC_GET_SW_CONF_RESP_VSI_PORT_NUM_M;
2366
2367 pf_vf_num = le16_to_cpu(ele->pf_vf_num) &
2368 ICE_AQC_GET_SW_CONF_RESP_FUNC_NUM_M;
2369
2370 swid = le16_to_cpu(ele->swid);
2371
2372 if (le16_to_cpu(ele->pf_vf_num) &
2373 ICE_AQC_GET_SW_CONF_RESP_IS_VF)
2374 is_vf = true;
2375
88865fc4
KK		 2376 res_type = (u8)(le16_to_cpu(ele->vsi_port_num) >>
2377 ICE_AQC_GET_SW_CONF_RESP_TYPE_S);
9c20346b 2378
6dae8aa0 2379 if (res_type == ICE_AQC_GET_SW_CONF_RESP_VSI) {
9c20346b
AV		 2380 /* FW VSI is not needed. Just continue. */
2381 continue;
2382 }
2383
2384 ice_init_port_info(hw->port_info, vsi_port_num,
6dae8aa0 2385 res_type, swid, pf_vf_num, is_vf);
9c20346b
AV		 2386 }
2387 } while (req_desc && !status);
2388
1b9e740d 2389 kfree(rbuf);
9c20346b
AV		 2390 return status;
2391}
9daf8208
AV		 2392
2393/**
2394 * ice_fill_sw_info - Helper function to populate lb_en and lan_en
2395 * @hw: pointer to the hardware structure
6a7e6993 2396 * @fi: filter info structure to fill/update
9daf8208
AV		 2397 *
2398 * This helper function populates the lb_en and lan_en elements of the provided
2399 * ice_fltr_info struct using the switch's type and characteristics of the
2400 * switch rule being configured.
2401 */
6a7e6993 2402static void ice_fill_sw_info(struct ice_hw *hw, struct ice_fltr_info *fi)
9daf8208 2403{
6a7e6993
YRPB		 2404 fi->lb_en = false;
2405 fi->lan_en = false;
2406 if ((fi->flag & ICE_FLTR_TX) &&
2407 (fi->fltr_act == ICE_FWD_TO_VSI ||
2408 fi->fltr_act == ICE_FWD_TO_VSI_LIST ||
2409 fi->fltr_act == ICE_FWD_TO_Q ||
2410 fi->fltr_act == ICE_FWD_TO_QGRP)) {
b58dafbc
CB		 2411 /* Setting LB for prune actions will result in replicated
2412 * packets to the internal switch that will be dropped.
2413 */
2414 if (fi->lkup_type != ICE_SW_LKUP_VLAN)
2415 fi->lb_en = true;
2416
277b3a45 2417 /* Set lan_en to TRUE if
6a7e6993
YRPB		 2418 * 1. The switch is a VEB AND
2419 * 2
26069b44 2420 * 2.1 The lookup is a directional lookup like ethertype,
f9867df6 2421 * promiscuous, ethertype-MAC, promiscuous-VLAN
26069b44
YRPB		 2422 * and default-port OR
2423 * 2.2 The lookup is VLAN, OR
277b3a45
YRPB		 2424 * 2.3 The lookup is MAC with mcast or bcast addr for MAC, OR
2425 * 2.4 The lookup is MAC_VLAN with mcast or bcast addr for MAC.
6a7e6993 2426 *
277b3a45
YRPB		 2427 * OR
2428 *
2429 * The switch is a VEPA.
2430 *
2431 * In all other cases, the LAN enable has to be set to false.
6a7e6993 2432 */
277b3a45 2433 if (hw->evb_veb) {
26069b44
YRPB		 2434 if (fi->lkup_type == ICE_SW_LKUP_ETHERTYPE ||
2435 fi->lkup_type == ICE_SW_LKUP_PROMISC ||
2436 fi->lkup_type == ICE_SW_LKUP_ETHERTYPE_MAC ||
2437 fi->lkup_type == ICE_SW_LKUP_PROMISC_VLAN ||
277b3a45 2438 fi->lkup_type == ICE_SW_LKUP_DFLT ||
26069b44 2439 fi->lkup_type == ICE_SW_LKUP_VLAN ||
277b3a45
YRPB		 2440 (fi->lkup_type == ICE_SW_LKUP_MAC &&
2441 !is_unicast_ether_addr(fi->l_data.mac.mac_addr)) ||
2442 (fi->lkup_type == ICE_SW_LKUP_MAC_VLAN &&
2443 !is_unicast_ether_addr(fi->l_data.mac.mac_addr)))
2444 fi->lan_en = true;
2445 } else {
6a7e6993 2446 fi->lan_en = true;
277b3a45 2447 }
9daf8208
AV		 2448 }
2449}
2450
ec5a6c5f
DE		 2451/**
2452 * ice_fill_eth_hdr - helper to copy dummy_eth_hdr into supplied buffer
2453 * @eth_hdr: pointer to buffer to populate
2454 */
2455void ice_fill_eth_hdr(u8 *eth_hdr)
2456{
2457 memcpy(eth_hdr, dummy_eth_header, DUMMY_ETH_HDR_LEN);
2458}
2459
9daf8208
AV		 2460/**
2461 * ice_fill_sw_rule - Helper function to fill switch rule structure
2462 * @hw: pointer to the hardware structure
2463 * @f_info: entry containing packet forwarding information
2464 * @s_rule: switch rule structure to be filled in based on mac_entry
2465 * @opc: switch rules population command type - pass in the command opcode
2466 */
2467static void
2468ice_fill_sw_rule(struct ice_hw *hw, struct ice_fltr_info *f_info,
6e1ff618
AL		 2469 struct ice_sw_rule_lkup_rx_tx *s_rule,
2470 enum ice_adminq_opc opc)
9daf8208
AV		 2471{
2472 u16 vlan_id = ICE_MAX_VLAN_ID + 1;
2bfefa2d 2473 u16 vlan_tpid = ETH_P_8021Q;
9daf8208 2474 void *daddr = NULL;
74118f7a
ZX		 2475 u16 eth_hdr_sz;
2476 u8 *eth_hdr;
9daf8208
AV		 2477 u32 act = 0;
2478 __be16 *off;
be8ff000 2479 u8 q_rgn;
9daf8208
AV		 2480
2481 if (opc == ice_aqc_opc_remove_sw_rules) {
6e1ff618
AL		 2482 s_rule->act = 0;
2483 s_rule->index = cpu_to_le16(f_info->fltr_rule_id);
2484 s_rule->hdr_len = 0;
9daf8208
AV		 2485 return;
2486 }
2487
74118f7a 2488 eth_hdr_sz = sizeof(dummy_eth_header);
6e1ff618 2489 eth_hdr = s_rule->hdr_data;
74118f7a 2490
9daf8208 2491 /* initialize the ether header with a dummy header */
74118f7a 2492 memcpy(eth_hdr, dummy_eth_header, eth_hdr_sz);
9daf8208
AV		 2493 ice_fill_sw_info(hw, f_info);
2494
2495 switch (f_info->fltr_act) {
2496 case ICE_FWD_TO_VSI:
23eca34e
JB		 2497 act |= FIELD_PREP(ICE_SINGLE_ACT_VSI_ID_M,
2498 f_info->fwd_id.hw_vsi_id);
9daf8208
AV		 2499 if (f_info->lkup_type != ICE_SW_LKUP_VLAN)
2500 act |= ICE_SINGLE_ACT_VSI_FORWARDING |
2501 ICE_SINGLE_ACT_VALID_BIT;
2502 break;
2503 case ICE_FWD_TO_VSI_LIST:
2504 act |= ICE_SINGLE_ACT_VSI_LIST;
23eca34e
JB		 2505 act |= FIELD_PREP(ICE_SINGLE_ACT_VSI_LIST_ID_M,
2506 f_info->fwd_id.vsi_list_id);
9daf8208
AV		 2507 if (f_info->lkup_type != ICE_SW_LKUP_VLAN)
2508 act |= ICE_SINGLE_ACT_VSI_FORWARDING |
2509 ICE_SINGLE_ACT_VALID_BIT;
2510 break;
2511 case ICE_FWD_TO_Q:
2512 act |= ICE_SINGLE_ACT_TO_Q;
23eca34e
JB		 2513 act |= FIELD_PREP(ICE_SINGLE_ACT_Q_INDEX_M,
2514 f_info->fwd_id.q_id);
9daf8208 2515 break;
be8ff000
AV		 2516 case ICE_DROP_PACKET:
2517 act |= ICE_SINGLE_ACT_VSI_FORWARDING | ICE_SINGLE_ACT_DROP |
2518 ICE_SINGLE_ACT_VALID_BIT;
2519 break;
9daf8208 2520 case ICE_FWD_TO_QGRP:
be8ff000
AV		 2521 q_rgn = f_info->qgrp_size > 0 ?
2522 (u8)ilog2(f_info->qgrp_size) : 0;
9daf8208 2523 act |= ICE_SINGLE_ACT_TO_Q;
23eca34e
JB		 2524 act |= FIELD_PREP(ICE_SINGLE_ACT_Q_INDEX_M,
2525 f_info->fwd_id.q_id);
2526 act |= FIELD_PREP(ICE_SINGLE_ACT_Q_REGION_M, q_rgn);
9daf8208 2527 break;
9daf8208
AV		 2528 default:
2529 return;
2530 }
2531
2532 if (f_info->lb_en)
2533 act |= ICE_SINGLE_ACT_LB_ENABLE;
2534 if (f_info->lan_en)
2535 act |= ICE_SINGLE_ACT_LAN_ENABLE;
2536
2537 switch (f_info->lkup_type) {
2538 case ICE_SW_LKUP_MAC:
2539 daddr = f_info->l_data.mac.mac_addr;
2540 break;
2541 case ICE_SW_LKUP_VLAN:
2542 vlan_id = f_info->l_data.vlan.vlan_id;
2bfefa2d
BC		 2543 if (f_info->l_data.vlan.tpid_valid)
2544 vlan_tpid = f_info->l_data.vlan.tpid;
9daf8208
AV		 2545 if (f_info->fltr_act == ICE_FWD_TO_VSI ||
2546 f_info->fltr_act == ICE_FWD_TO_VSI_LIST) {
2547 act |= ICE_SINGLE_ACT_PRUNE;
2548 act |= ICE_SINGLE_ACT_EGRESS | ICE_SINGLE_ACT_INGRESS;
2549 }
2550 break;
2551 case ICE_SW_LKUP_ETHERTYPE_MAC:
2552 daddr = f_info->l_data.ethertype_mac.mac_addr;
4e83fc93 2553 fallthrough;
9daf8208 2554 case ICE_SW_LKUP_ETHERTYPE:
feee3cb3 2555 off = (__force __be16 *)(eth_hdr + ICE_ETH_ETHTYPE_OFFSET);
9daf8208
AV		 2556 *off = cpu_to_be16(f_info->l_data.ethertype_mac.ethertype);
2557 break;
2558 case ICE_SW_LKUP_MAC_VLAN:
2559 daddr = f_info->l_data.mac_vlan.mac_addr;
2560 vlan_id = f_info->l_data.mac_vlan.vlan_id;
2561 break;
2562 case ICE_SW_LKUP_PROMISC_VLAN:
2563 vlan_id = f_info->l_data.mac_vlan.vlan_id;
4e83fc93 2564 fallthrough;
9daf8208
AV		 2565 case ICE_SW_LKUP_PROMISC:
2566 daddr = f_info->l_data.mac_vlan.mac_addr;
2567 break;
2568 default:
2569 break;
2570 }
2571
6e1ff618 2572 s_rule->hdr.type = (f_info->flag & ICE_FLTR_RX) ?
9daf8208
AV		 2573 cpu_to_le16(ICE_AQC_SW_RULES_T_LKUP_RX) :
2574 cpu_to_le16(ICE_AQC_SW_RULES_T_LKUP_TX);
2575
2576 /* Recipe set depending on lookup type */
6e1ff618
AL		 2577 s_rule->recipe_id = cpu_to_le16(f_info->lkup_type);
2578 s_rule->src = cpu_to_le16(f_info->src);
2579 s_rule->act = cpu_to_le32(act);
9daf8208
AV		 2580
2581 if (daddr)
74118f7a 2582 ether_addr_copy(eth_hdr + ICE_ETH_DA_OFFSET, daddr);
9daf8208
AV		 2583
2584 if (!(vlan_id > ICE_MAX_VLAN_ID)) {
feee3cb3 2585 off = (__force __be16 *)(eth_hdr + ICE_ETH_VLAN_TCI_OFFSET);
9daf8208 2586 *off = cpu_to_be16(vlan_id);
2bfefa2d
BC		 2587 off = (__force __be16 *)(eth_hdr + ICE_ETH_ETHTYPE_OFFSET);
2588 *off = cpu_to_be16(vlan_tpid);
9daf8208
AV		 2589 }
2590
2591 /* Create the switch rule with the final dummy Ethernet header */
2592 if (opc != ice_aqc_opc_update_sw_rules)
6e1ff618 2593 s_rule->hdr_len = cpu_to_le16(eth_hdr_sz);
9daf8208
AV		 2594}
2595
2596/**
2597 * ice_add_marker_act
2598 * @hw: pointer to the hardware structure
2599 * @m_ent: the management entry for which sw marker needs to be added
2600 * @sw_marker: sw marker to tag the Rx descriptor with
f9867df6 2601 * @l_id: large action resource ID
9daf8208
AV		 2602 *
2603 * Create a large action to hold software marker and update the switch rule
2604 * entry pointed by m_ent with newly created large action
2605 */
5e24d598 2606static int
9daf8208
AV		 2607ice_add_marker_act(struct ice_hw *hw, struct ice_fltr_mgmt_list_entry *m_ent,
2608 u16 sw_marker, u16 l_id)
2609{
6e1ff618
AL		 2610 struct ice_sw_rule_lkup_rx_tx *rx_tx;
2611 struct ice_sw_rule_lg_act *lg_act;
9daf8208
AV		 2612 /* For software marker we need 3 large actions
2613 * 1. FWD action: FWD TO VSI or VSI LIST
f9867df6
AV		 2614 * 2. GENERIC VALUE action to hold the profile ID
2615 * 3. GENERIC VALUE action to hold the software marker ID
9daf8208
AV		 2616 */
2617 const u16 num_lg_acts = 3;
9daf8208
AV		 2618 u16 lg_act_size;
2619 u16 rules_size;
5518ac2a 2620 int status;
9daf8208 2621 u32 act;
5726ca0e 2622 u16 id;
9daf8208
AV		 2623
2624 if (m_ent->fltr_info.lkup_type != ICE_SW_LKUP_MAC)
d54699e2 2625 return -EINVAL;
9daf8208
AV		 2626
2627 /* Create two back-to-back switch rules and submit them to the HW using
2628 * one memory buffer:
2629 * 1. Large Action
d337f2af 2630 * 2. Look up Tx Rx
9daf8208 2631 */
6e1ff618
AL		 2632 lg_act_size = (u16)ICE_SW_RULE_LG_ACT_SIZE(lg_act, num_lg_acts);
2633 rules_size = lg_act_size + ICE_SW_RULE_RX_TX_ETH_HDR_SIZE(rx_tx);
9daf8208
AV		 2634 lg_act = devm_kzalloc(ice_hw_to_dev(hw), rules_size, GFP_KERNEL);
2635 if (!lg_act)
d54699e2 2636 return -ENOMEM;
9daf8208 2637
6e1ff618 2638 rx_tx = (typeof(rx_tx))((u8 *)lg_act + lg_act_size);
9daf8208
AV		 2639
2640 /* Fill in the first switch rule i.e. large action */
6e1ff618
AL		 2641 lg_act->hdr.type = cpu_to_le16(ICE_AQC_SW_RULES_T_LG_ACT);
2642 lg_act->index = cpu_to_le16(l_id);
2643 lg_act->size = cpu_to_le16(num_lg_acts);
9daf8208
AV		 2644
2645 /* First action VSI forwarding or VSI list forwarding depending on how
2646 * many VSIs
2647 */
5726ca0e
AV		 2648 id = (m_ent->vsi_count > 1) ? m_ent->fltr_info.fwd_id.vsi_list_id :
2649 m_ent->fltr_info.fwd_id.hw_vsi_id;
9daf8208
AV		 2650
2651 act = ICE_LG_ACT_VSI_FORWARDING | ICE_LG_ACT_VALID_BIT;
23eca34e 2652 act |= FIELD_PREP(ICE_LG_ACT_VSI_LIST_ID_M, id);
9daf8208
AV		 2653 if (m_ent->vsi_count > 1)
2654 act |= ICE_LG_ACT_VSI_LIST;
6e1ff618 2655 lg_act->act[0] = cpu_to_le32(act);
9daf8208
AV		 2656
2657 /* Second action descriptor type */
2658 act = ICE_LG_ACT_GENERIC;
2659
23eca34e 2660 act |= FIELD_PREP(ICE_LG_ACT_GENERIC_VALUE_M, 1);
6e1ff618 2661 lg_act->act[1] = cpu_to_le32(act);
9daf8208 2662
23eca34e
JB		 2663 act = FIELD_PREP(ICE_LG_ACT_GENERIC_OFFSET_M,
2664 ICE_LG_ACT_GENERIC_OFF_RX_DESC_PROF_IDX);
9daf8208
AV		 2665
2666 /* Third action Marker value */
2667 act |= ICE_LG_ACT_GENERIC;
23eca34e 2668 act |= FIELD_PREP(ICE_LG_ACT_GENERIC_VALUE_M, sw_marker);
9daf8208 2669
6e1ff618 2670 lg_act->act[2] = cpu_to_le32(act);
9daf8208 2671
d337f2af 2672 /* call the fill switch rule to fill the lookup Tx Rx structure */
9daf8208
AV		 2673 ice_fill_sw_rule(hw, &m_ent->fltr_info, rx_tx,
2674 ice_aqc_opc_update_sw_rules);
2675
f9867df6 2676 /* Update the action to point to the large action ID */
23eca34e
JB		 2677 act = ICE_SINGLE_ACT_PTR;
2678 act |= FIELD_PREP(ICE_SINGLE_ACT_PTR_VAL_M, l_id);
2679 rx_tx->act = cpu_to_le32(act);
9daf8208 2680
f9867df6 2681 /* Use the filter rule ID of the previously created rule with single
9daf8208
AV		 2682 * act. Once the update happens, hardware will treat this as large
2683 * action
2684 */
6e1ff618 2685 rx_tx->index = cpu_to_le16(m_ent->fltr_info.fltr_rule_id);
9daf8208
AV		 2686
2687 status = ice_aq_sw_rules(hw, lg_act, rules_size, 2,
2688 ice_aqc_opc_update_sw_rules, NULL);
2689 if (!status) {
2690 m_ent->lg_act_idx = l_id;
2691 m_ent->sw_marker_id = sw_marker;
2692 }
2693
2694 devm_kfree(ice_hw_to_dev(hw), lg_act);
2695 return status;
2696}
2697
2698/**
2699 * ice_create_vsi_list_map
2700 * @hw: pointer to the hardware structure
5726ca0e
AV		 2701 * @vsi_handle_arr: array of VSI handles to set in the VSI mapping
2702 * @num_vsi: number of VSI handles in the array
f9867df6 2703 * @vsi_list_id: VSI list ID generated as part of allocate resource
9daf8208 2704 *
f9867df6
AV		 2705 * Helper function to create a new entry of VSI list ID to VSI mapping
2706 * using the given VSI list ID
9daf8208
AV		 2707 */
2708static struct ice_vsi_list_map_info *
5726ca0e 2709ice_create_vsi_list_map(struct ice_hw *hw, u16 *vsi_handle_arr, u16 num_vsi,
9daf8208
AV		 2710 u16 vsi_list_id)
2711{
2712 struct ice_switch_info *sw = hw->switch_info;
2713 struct ice_vsi_list_map_info *v_map;
2714 int i;
2715
36ac7911 2716 v_map = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*v_map), GFP_KERNEL);
9daf8208
AV		 2717 if (!v_map)
2718 return NULL;
2719
2720 v_map->vsi_list_id = vsi_list_id;
5726ca0e 2721 v_map->ref_cnt = 1;
9daf8208 2722 for (i = 0; i < num_vsi; i++)
5726ca0e 2723 set_bit(vsi_handle_arr[i], v_map->vsi_map);
9daf8208
AV		 2724
2725 list_add(&v_map->list_entry, &sw->vsi_list_map_head);
2726 return v_map;
2727}
2728
2729/**
2730 * ice_update_vsi_list_rule
2731 * @hw: pointer to the hardware structure
5726ca0e
AV		 2732 * @vsi_handle_arr: array of VSI handles to form a VSI list
2733 * @num_vsi: number of VSI handles in the array
f9867df6 2734 * @vsi_list_id: VSI list ID generated as part of allocate resource
9daf8208
AV		 2735 * @remove: Boolean value to indicate if this is a remove action
2736 * @opc: switch rules population command type - pass in the command opcode
2737 * @lkup_type: lookup type of the filter
2738 *
2739 * Call AQ command to add a new switch rule or update existing switch rule
f9867df6 2740 * using the given VSI list ID
9daf8208 2741 */
5e24d598 2742static int
5726ca0e 2743ice_update_vsi_list_rule(struct ice_hw *hw, u16 *vsi_handle_arr, u16 num_vsi,
9daf8208
AV		 2744 u16 vsi_list_id, bool remove, enum ice_adminq_opc opc,
2745 enum ice_sw_lkup_type lkup_type)
2746{
6e1ff618 2747 struct ice_sw_rule_vsi_list *s_rule;
9daf8208 2748 u16 s_rule_size;
6dae8aa0 2749 u16 rule_type;
5518ac2a 2750 int status;
9daf8208
AV		 2751 int i;
2752
2753 if (!num_vsi)
d54699e2 2754 return -EINVAL;
9daf8208
AV		 2755
2756 if (lkup_type == ICE_SW_LKUP_MAC ||
2757 lkup_type == ICE_SW_LKUP_MAC_VLAN ||
2758 lkup_type == ICE_SW_LKUP_ETHERTYPE ||
2759 lkup_type == ICE_SW_LKUP_ETHERTYPE_MAC ||
2760 lkup_type == ICE_SW_LKUP_PROMISC ||
d7393425
MW		 2761 lkup_type == ICE_SW_LKUP_PROMISC_VLAN ||
2762 lkup_type == ICE_SW_LKUP_DFLT)
6dae8aa0
BA		 2763 rule_type = remove ? ICE_AQC_SW_RULES_T_VSI_LIST_CLEAR :
2764 ICE_AQC_SW_RULES_T_VSI_LIST_SET;
9daf8208 2765 else if (lkup_type == ICE_SW_LKUP_VLAN)
6dae8aa0
BA		 2766 rule_type = remove ? ICE_AQC_SW_RULES_T_PRUNE_LIST_CLEAR :
2767 ICE_AQC_SW_RULES_T_PRUNE_LIST_SET;
9daf8208 2768 else
d54699e2 2769 return -EINVAL;
9daf8208 2770
6e1ff618 2771 s_rule_size = (u16)ICE_SW_RULE_VSI_LIST_SIZE(s_rule, num_vsi);
9daf8208
AV		 2772 s_rule = devm_kzalloc(ice_hw_to_dev(hw), s_rule_size, GFP_KERNEL);
2773 if (!s_rule)
d54699e2 2774 return -ENOMEM;
5726ca0e
AV		 2775 for (i = 0; i < num_vsi; i++) {
2776 if (!ice_is_vsi_valid(hw, vsi_handle_arr[i])) {
d54699e2 2777 status = -EINVAL;
5726ca0e
AV		 2778 goto exit;
2779 }
2780 /* AQ call requires hw_vsi_id(s) */
6e1ff618 2781 s_rule->vsi[i] =
5726ca0e
AV		 2782 cpu_to_le16(ice_get_hw_vsi_num(hw, vsi_handle_arr[i]));
2783 }
9daf8208 2784
6e1ff618
AL		 2785 s_rule->hdr.type = cpu_to_le16(rule_type);
2786 s_rule->number_vsi = cpu_to_le16(num_vsi);
2787 s_rule->index = cpu_to_le16(vsi_list_id);
9daf8208
AV		 2788
2789 status = ice_aq_sw_rules(hw, s_rule, s_rule_size, 1, opc, NULL);
2790
5726ca0e 2791exit:
9daf8208
AV		 2792 devm_kfree(ice_hw_to_dev(hw), s_rule);
2793 return status;
2794}
2795
2796/**
2797 * ice_create_vsi_list_rule - Creates and populates a VSI list rule
f9867df6 2798 * @hw: pointer to the HW struct
5726ca0e
AV		 2799 * @vsi_handle_arr: array of VSI handles to form a VSI list
2800 * @num_vsi: number of VSI handles in the array
9daf8208
AV		 2801 * @vsi_list_id: stores the ID of the VSI list to be created
2802 * @lkup_type: switch rule filter's lookup type
2803 */
5e24d598 2804static int
5726ca0e 2805ice_create_vsi_list_rule(struct ice_hw *hw, u16 *vsi_handle_arr, u16 num_vsi,
9daf8208
AV		 2806 u16 *vsi_list_id, enum ice_sw_lkup_type lkup_type)
2807{
5e24d598 2808 int status;
9daf8208
AV		 2809
2810 status = ice_aq_alloc_free_vsi_list(hw, vsi_list_id, lkup_type,
2811 ice_aqc_opc_alloc_res);
2812 if (status)
2813 return status;
2814
2815 /* Update the newly created VSI list to include the specified VSIs */
5726ca0e
AV		 2816 return ice_update_vsi_list_rule(hw, vsi_handle_arr, num_vsi,
2817 *vsi_list_id, false,
2818 ice_aqc_opc_add_sw_rules, lkup_type);
9daf8208
AV		 2819}
2820
2821/**
2822 * ice_create_pkt_fwd_rule
2823 * @hw: pointer to the hardware structure
2824 * @f_entry: entry containing packet forwarding information
2825 *
2826 * Create switch rule with given filter information and add an entry
2827 * to the corresponding filter management list to track this switch rule
2828 * and VSI mapping
2829 */
5e24d598 2830static int
9daf8208
AV		 2831ice_create_pkt_fwd_rule(struct ice_hw *hw,
2832 struct ice_fltr_list_entry *f_entry)
2833{
9daf8208 2834 struct ice_fltr_mgmt_list_entry *fm_entry;
6e1ff618 2835 struct ice_sw_rule_lkup_rx_tx *s_rule;
9daf8208 2836 enum ice_sw_lkup_type l_type;
80d144c9 2837 struct ice_sw_recipe *recp;
5e24d598 2838 int status;
9daf8208
AV		 2839
2840 s_rule = devm_kzalloc(ice_hw_to_dev(hw),
6e1ff618
AL		 2841 ICE_SW_RULE_RX_TX_ETH_HDR_SIZE(s_rule),
2842 GFP_KERNEL);
9daf8208 2843 if (!s_rule)
d54699e2 2844 return -ENOMEM;
9daf8208
AV		 2845 fm_entry = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*fm_entry),
2846 GFP_KERNEL);
2847 if (!fm_entry) {
d54699e2 2848 status = -ENOMEM;
9daf8208
AV		 2849 goto ice_create_pkt_fwd_rule_exit;
2850 }
2851
2852 fm_entry->fltr_info = f_entry->fltr_info;
2853
2854 /* Initialize all the fields for the management entry */
2855 fm_entry->vsi_count = 1;
2856 fm_entry->lg_act_idx = ICE_INVAL_LG_ACT_INDEX;
2857 fm_entry->sw_marker_id = ICE_INVAL_SW_MARKER_ID;
2858 fm_entry->counter_index = ICE_INVAL_COUNTER_ID;
2859
2860 ice_fill_sw_rule(hw, &fm_entry->fltr_info, s_rule,
2861 ice_aqc_opc_add_sw_rules);
2862
6e1ff618
AL		 2863 status = ice_aq_sw_rules(hw, s_rule,
2864 ICE_SW_RULE_RX_TX_ETH_HDR_SIZE(s_rule), 1,
9daf8208
AV		 2865 ice_aqc_opc_add_sw_rules, NULL);
2866 if (status) {
2867 devm_kfree(ice_hw_to_dev(hw), fm_entry);
2868 goto ice_create_pkt_fwd_rule_exit;
2869 }
2870
6e1ff618
AL		 2871 f_entry->fltr_info.fltr_rule_id = le16_to_cpu(s_rule->index);
2872 fm_entry->fltr_info.fltr_rule_id = le16_to_cpu(s_rule->index);
9daf8208
AV		 2873
2874 /* The book keeping entries will get removed when base driver
2875 * calls remove filter AQ command
2876 */
2877 l_type = fm_entry->fltr_info.lkup_type;
80d144c9
AV		 2878 recp = &hw->switch_info->recp_list[l_type];
2879 list_add(&fm_entry->list_entry, &recp->filt_rules);
2880
9daf8208
AV		 2881ice_create_pkt_fwd_rule_exit:
2882 devm_kfree(ice_hw_to_dev(hw), s_rule);
2883 return status;
2884}
2885
2886/**
2887 * ice_update_pkt_fwd_rule
2888 * @hw: pointer to the hardware structure
80d144c9 2889 * @f_info: filter information for switch rule
9daf8208
AV		 2890 *
2891 * Call AQ command to update a previously created switch rule with a
f9867df6 2892 * VSI list ID
9daf8208 2893 */
5e24d598 2894static int
80d144c9 2895ice_update_pkt_fwd_rule(struct ice_hw *hw, struct ice_fltr_info *f_info)
9daf8208 2896{
6e1ff618 2897 struct ice_sw_rule_lkup_rx_tx *s_rule;
5e24d598 2898 int status;
9daf8208
AV		 2899
2900 s_rule = devm_kzalloc(ice_hw_to_dev(hw),
6e1ff618
AL		 2901 ICE_SW_RULE_RX_TX_ETH_HDR_SIZE(s_rule),
2902 GFP_KERNEL);
9daf8208 2903 if (!s_rule)
d54699e2 2904 return -ENOMEM;
9daf8208 2905
80d144c9 2906 ice_fill_sw_rule(hw, f_info, s_rule, ice_aqc_opc_update_sw_rules);
9daf8208 2907
6e1ff618 2908 s_rule->index = cpu_to_le16(f_info->fltr_rule_id);
9daf8208
AV		 2909
2910 /* Update switch rule with new rule set to forward VSI list */
6e1ff618
AL		 2911 status = ice_aq_sw_rules(hw, s_rule,
2912 ICE_SW_RULE_RX_TX_ETH_HDR_SIZE(s_rule), 1,
9daf8208
AV		 2913 ice_aqc_opc_update_sw_rules, NULL);
2914
2915 devm_kfree(ice_hw_to_dev(hw), s_rule);
2916 return status;
2917}
2918
b1edc14a
MFIP		 2919/**
2920 * ice_update_sw_rule_bridge_mode
f9867df6 2921 * @hw: pointer to the HW struct
b1edc14a
MFIP		 2922 *
2923 * Updates unicast switch filter rules based on VEB/VEPA mode
2924 */
5e24d598 2925int ice_update_sw_rule_bridge_mode(struct ice_hw *hw)
b1edc14a
MFIP		 2926{
2927 struct ice_switch_info *sw = hw->switch_info;
2928 struct ice_fltr_mgmt_list_entry *fm_entry;
b1edc14a
MFIP		 2929 struct list_head *rule_head;
2930 struct mutex *rule_lock; /* Lock to protect filter rule list */
5518ac2a 2931 int status = 0;
b1edc14a
MFIP		 2932
2933 rule_lock = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rule_lock;
2934 rule_head = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rules;
2935
2936 mutex_lock(rule_lock);
2937 list_for_each_entry(fm_entry, rule_head, list_entry) {
2938 struct ice_fltr_info *fi = &fm_entry->fltr_info;
2939 u8 *addr = fi->l_data.mac.mac_addr;
2940
2941 /* Update unicast Tx rules to reflect the selected
2942 * VEB/VEPA mode
2943 */
2944 if ((fi->flag & ICE_FLTR_TX) && is_unicast_ether_addr(addr) &&
2945 (fi->fltr_act == ICE_FWD_TO_VSI ||
2946 fi->fltr_act == ICE_FWD_TO_VSI_LIST ||
2947 fi->fltr_act == ICE_FWD_TO_Q ||
2948 fi->fltr_act == ICE_FWD_TO_QGRP)) {
2949 status = ice_update_pkt_fwd_rule(hw, fi);
2950 if (status)
2951 break;
2952 }
2953 }
2954
2955 mutex_unlock(rule_lock);
2956
2957 return status;
2958}
2959
9daf8208 2960/**
80d144c9 2961 * ice_add_update_vsi_list
9daf8208
AV		 2962 * @hw: pointer to the hardware structure
2963 * @m_entry: pointer to current filter management list entry
2964 * @cur_fltr: filter information from the book keeping entry
2965 * @new_fltr: filter information with the new VSI to be added
2966 *
2967 * Call AQ command to add or update previously created VSI list with new VSI.
2968 *
2969 * Helper function to do book keeping associated with adding filter information
d337f2af
AV		 2970 * The algorithm to do the book keeping is described below :
2971 * When a VSI needs to subscribe to a given filter (MAC/VLAN/Ethtype etc.)
9daf8208
AV		 2972 * if only one VSI has been added till now
2973 * Allocate a new VSI list and add two VSIs
2974 * to this list using switch rule command
2975 * Update the previously created switch rule with the
f9867df6 2976 * newly created VSI list ID
9daf8208
AV		 2977 * if a VSI list was previously created
2978 * Add the new VSI to the previously created VSI list set
2979 * using the update switch rule command
2980 */
5e24d598 2981static int
80d144c9
AV		 2982ice_add_update_vsi_list(struct ice_hw *hw,
2983 struct ice_fltr_mgmt_list_entry *m_entry,
2984 struct ice_fltr_info *cur_fltr,
2985 struct ice_fltr_info *new_fltr)
9daf8208 2986{
9daf8208 2987 u16 vsi_list_id = 0;
5518ac2a 2988 int status = 0;
9daf8208
AV		 2989
2990 if ((cur_fltr->fltr_act == ICE_FWD_TO_Q ||
2991 cur_fltr->fltr_act == ICE_FWD_TO_QGRP))
d54699e2 2992 return -EOPNOTSUPP;
9daf8208
AV		 2993
2994 if ((new_fltr->fltr_act == ICE_FWD_TO_Q ||
2995 new_fltr->fltr_act == ICE_FWD_TO_QGRP) &&
2996 (cur_fltr->fltr_act == ICE_FWD_TO_VSI ||
2997 cur_fltr->fltr_act == ICE_FWD_TO_VSI_LIST))
d54699e2 2998 return -EOPNOTSUPP;
9daf8208
AV		 2999
3000 if (m_entry->vsi_count < 2 && !m_entry->vsi_list_info) {
3001 /* Only one entry existed in the mapping and it was not already
3002 * a part of a VSI list. So, create a VSI list with the old and
3003 * new VSIs.
3004 */
80d144c9 3005 struct ice_fltr_info tmp_fltr;
5726ca0e 3006 u16 vsi_handle_arr[2];
9daf8208
AV		 3007
3008 /* A rule already exists with the new VSI being added */
5726ca0e 3009 if (cur_fltr->fwd_id.hw_vsi_id == new_fltr->fwd_id.hw_vsi_id)
d54699e2 3010 return -EEXIST;
9daf8208 3011
5726ca0e
AV		 3012 vsi_handle_arr[0] = cur_fltr->vsi_handle;
3013 vsi_handle_arr[1] = new_fltr->vsi_handle;
3014 status = ice_create_vsi_list_rule(hw, &vsi_handle_arr[0], 2,
9daf8208
AV		 3015 &vsi_list_id,
3016 new_fltr->lkup_type);
3017 if (status)
3018 return status;
3019
80d144c9
AV		 3020 tmp_fltr = *new_fltr;
3021 tmp_fltr.fltr_rule_id = cur_fltr->fltr_rule_id;
3022 tmp_fltr.fltr_act = ICE_FWD_TO_VSI_LIST;
3023 tmp_fltr.fwd_id.vsi_list_id = vsi_list_id;
9daf8208
AV		 3024 /* Update the previous switch rule of "MAC forward to VSI" to
3025 * "MAC fwd to VSI list"
3026 */
80d144c9 3027 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr);
9daf8208
AV		 3028 if (status)
3029 return status;
3030
3031 cur_fltr->fwd_id.vsi_list_id = vsi_list_id;
3032 cur_fltr->fltr_act = ICE_FWD_TO_VSI_LIST;
3033 m_entry->vsi_list_info =
5726ca0e 3034 ice_create_vsi_list_map(hw, &vsi_handle_arr[0], 2,
9daf8208
AV		 3035 vsi_list_id);
3036
7a91d3f0 3037 if (!m_entry->vsi_list_info)
d54699e2 3038 return -ENOMEM;
7a91d3f0 3039
9daf8208
AV		 3040 /* If this entry was large action then the large action needs
3041 * to be updated to point to FWD to VSI list
3042 */
3043 if (m_entry->sw_marker_id != ICE_INVAL_SW_MARKER_ID)
3044 status =
3045 ice_add_marker_act(hw, m_entry,
3046 m_entry->sw_marker_id,
3047 m_entry->lg_act_idx);
3048 } else {
5726ca0e 3049 u16 vsi_handle = new_fltr->vsi_handle;
9daf8208
AV		 3050 enum ice_adminq_opc opcode;
3051
f25dad19 3052 if (!m_entry->vsi_list_info)
d54699e2 3053 return -EIO;
f25dad19 3054
9daf8208 3055 /* A rule already exists with the new VSI being added */
5726ca0e 3056 if (test_bit(vsi_handle, m_entry->vsi_list_info->vsi_map))
9daf8208
AV		 3057 return 0;
3058
3059 /* Update the previously created VSI list set with
f9867df6 3060 * the new VSI ID passed in
9daf8208
AV		 3061 */
3062 vsi_list_id = cur_fltr->fwd_id.vsi_list_id;
3063 opcode = ice_aqc_opc_update_sw_rules;
3064
5726ca0e
AV		 3065 status = ice_update_vsi_list_rule(hw, &vsi_handle, 1,
3066 vsi_list_id, false, opcode,
9daf8208 3067 new_fltr->lkup_type);
f9867df6 3068 /* update VSI list mapping info with new VSI ID */
9daf8208 3069 if (!status)
5726ca0e 3070 set_bit(vsi_handle, m_entry->vsi_list_info->vsi_map);
9daf8208
AV		 3071 }
3072 if (!status)
3073 m_entry->vsi_count++;
3074 return status;
3075}
3076
3077/**
80d144c9 3078 * ice_find_rule_entry - Search a rule entry
9daf8208 3079 * @hw: pointer to the hardware structure
80d144c9
AV		 3080 * @recp_id: lookup type for which the specified rule needs to be searched
3081 * @f_info: rule information
9daf8208 3082 *
80d144c9
AV		 3083 * Helper function to search for a given rule entry
3084 * Returns pointer to entry storing the rule if found
9daf8208
AV		 3085 */
3086static struct ice_fltr_mgmt_list_entry *
80d144c9 3087ice_find_rule_entry(struct ice_hw *hw, u8 recp_id, struct ice_fltr_info *f_info)
9daf8208 3088{
80d144c9 3089 struct ice_fltr_mgmt_list_entry *list_itr, *ret = NULL;
9daf8208 3090 struct ice_switch_info *sw = hw->switch_info;
80d144c9
AV		 3091 struct list_head *list_head;
3092
3093 list_head = &sw->recp_list[recp_id].filt_rules;
3094 list_for_each_entry(list_itr, list_head, list_entry) {
3095 if (!memcmp(&f_info->l_data, &list_itr->fltr_info.l_data,
3096 sizeof(f_info->l_data)) &&
3097 f_info->flag == list_itr->fltr_info.flag) {
3098 ret = list_itr;
9daf8208
AV		 3099 break;
3100 }
3101 }
80d144c9 3102 return ret;
9daf8208
AV		 3103}
3104
5726ca0e
AV		 3105/**
3106 * ice_find_vsi_list_entry - Search VSI list map with VSI count 1
3107 * @hw: pointer to the hardware structure
3108 * @recp_id: lookup type for which VSI lists needs to be searched
3109 * @vsi_handle: VSI handle to be found in VSI list
f9867df6 3110 * @vsi_list_id: VSI list ID found containing vsi_handle
5726ca0e
AV		 3111 *
3112 * Helper function to search a VSI list with single entry containing given VSI
3113 * handle element. This can be extended further to search VSI list with more
3114 * than 1 vsi_count. Returns pointer to VSI list entry if found.
3115 */
23ccae5c 3116struct ice_vsi_list_map_info *
5726ca0e
AV		 3117ice_find_vsi_list_entry(struct ice_hw *hw, u8 recp_id, u16 vsi_handle,
3118 u16 *vsi_list_id)
3119{
3120 struct ice_vsi_list_map_info *map_info = NULL;
3121 struct ice_switch_info *sw = hw->switch_info;
3122 struct ice_fltr_mgmt_list_entry *list_itr;
3123 struct list_head *list_head;
3124
3125 list_head = &sw->recp_list[recp_id].filt_rules;
3126 list_for_each_entry(list_itr, list_head, list_entry) {
23ccae5c 3127 if (list_itr->vsi_list_info) {
5726ca0e
AV		 3128 map_info = list_itr->vsi_list_info;
3129 if (test_bit(vsi_handle, map_info->vsi_map)) {
3130 *vsi_list_id = map_info->vsi_list_id;
3131 return map_info;
3132 }
3133 }
3134 }
3135 return NULL;
3136}
3137
9daf8208 3138/**
80d144c9 3139 * ice_add_rule_internal - add rule for a given lookup type
9daf8208 3140 * @hw: pointer to the hardware structure
f9867df6 3141 * @recp_id: lookup type (recipe ID) for which rule has to be added
9daf8208
AV		 3142 * @f_entry: structure containing MAC forwarding information
3143 *
80d144c9 3144 * Adds or updates the rule lists for a given recipe
9daf8208 3145 */
5e24d598 3146static int
80d144c9
AV		 3147ice_add_rule_internal(struct ice_hw *hw, u8 recp_id,
3148 struct ice_fltr_list_entry *f_entry)
9daf8208 3149{
80d144c9 3150 struct ice_switch_info *sw = hw->switch_info;
9daf8208
AV		 3151 struct ice_fltr_info *new_fltr, *cur_fltr;
3152 struct ice_fltr_mgmt_list_entry *m_entry;
80d144c9 3153 struct mutex *rule_lock; /* Lock to protect filter rule list */
5e24d598 3154 int status = 0;
9daf8208 3155
5726ca0e 3156 if (!ice_is_vsi_valid(hw, f_entry->fltr_info.vsi_handle))
d54699e2 3157 return -EINVAL;
5726ca0e
AV		 3158 f_entry->fltr_info.fwd_id.hw_vsi_id =
3159 ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle);
3160
80d144c9 3161 rule_lock = &sw->recp_list[recp_id].filt_rule_lock;
9daf8208 3162
80d144c9
AV		 3163 mutex_lock(rule_lock);
3164 new_fltr = &f_entry->fltr_info;
3165 if (new_fltr->flag & ICE_FLTR_RX)
3166 new_fltr->src = hw->port_info->lport;
3167 else if (new_fltr->flag & ICE_FLTR_TX)
5726ca0e 3168 new_fltr->src = f_entry->fltr_info.fwd_id.hw_vsi_id;
80d144c9
AV		 3169
3170 m_entry = ice_find_rule_entry(hw, recp_id, new_fltr);
3171 if (!m_entry) {
3172 mutex_unlock(rule_lock);
9daf8208 3173 return ice_create_pkt_fwd_rule(hw, f_entry);
80d144c9 3174 }
9daf8208
AV		 3175
3176 cur_fltr = &m_entry->fltr_info;
80d144c9
AV		 3177 status = ice_add_update_vsi_list(hw, m_entry, cur_fltr, new_fltr);
3178 mutex_unlock(rule_lock);
3179
3180 return status;
3181}
3182
3183/**
3184 * ice_remove_vsi_list_rule
3185 * @hw: pointer to the hardware structure
f9867df6 3186 * @vsi_list_id: VSI list ID generated as part of allocate resource
80d144c9
AV		 3187 * @lkup_type: switch rule filter lookup type
3188 *
3189 * The VSI list should be emptied before this function is called to remove the
3190 * VSI list.
3191 */
5e24d598 3192static int
80d144c9
AV		 3193ice_remove_vsi_list_rule(struct ice_hw *hw, u16 vsi_list_id,
3194 enum ice_sw_lkup_type lkup_type)
3195{
6e1ff618 3196 struct ice_sw_rule_vsi_list *s_rule;
80d144c9 3197 u16 s_rule_size;
5518ac2a 3198 int status;
80d144c9 3199
6e1ff618 3200 s_rule_size = (u16)ICE_SW_RULE_VSI_LIST_SIZE(s_rule, 0);
80d144c9
AV		 3201 s_rule = devm_kzalloc(ice_hw_to_dev(hw), s_rule_size, GFP_KERNEL);
3202 if (!s_rule)
d54699e2 3203 return -ENOMEM;
80d144c9 3204
6e1ff618
AL		 3205 s_rule->hdr.type = cpu_to_le16(ICE_AQC_SW_RULES_T_VSI_LIST_CLEAR);
3206 s_rule->index = cpu_to_le16(vsi_list_id);
80d144c9
AV		 3207
3208 /* Free the vsi_list resource that we allocated. It is assumed that the
3209 * list is empty at this point.
3210 */
3211 status = ice_aq_alloc_free_vsi_list(hw, &vsi_list_id, lkup_type,
3212 ice_aqc_opc_free_res);
9daf8208 3213
80d144c9
AV		 3214 devm_kfree(ice_hw_to_dev(hw), s_rule);
3215 return status;
3216}
3217
3218/**
3219 * ice_rem_update_vsi_list
3220 * @hw: pointer to the hardware structure
5726ca0e 3221 * @vsi_handle: VSI handle of the VSI to remove
80d144c9
AV		 3222 * @fm_list: filter management entry for which the VSI list management needs to
3223 * be done
3224 */
5e24d598 3225static int
5726ca0e 3226ice_rem_update_vsi_list(struct ice_hw *hw, u16 vsi_handle,
80d144c9
AV		 3227 struct ice_fltr_mgmt_list_entry *fm_list)
3228{
3229 enum ice_sw_lkup_type lkup_type;
80d144c9 3230 u16 vsi_list_id;
5518ac2a 3231 int status = 0;
80d144c9
AV		 3232
3233 if (fm_list->fltr_info.fltr_act != ICE_FWD_TO_VSI_LIST ||
3234 fm_list->vsi_count == 0)
d54699e2 3235 return -EINVAL;
80d144c9
AV		 3236
3237 /* A rule with the VSI being removed does not exist */
5726ca0e 3238 if (!test_bit(vsi_handle, fm_list->vsi_list_info->vsi_map))
d54699e2 3239 return -ENOENT;
80d144c9
AV		 3240
3241 lkup_type = fm_list->fltr_info.lkup_type;
3242 vsi_list_id = fm_list->fltr_info.fwd_id.vsi_list_id;
5726ca0e 3243 status = ice_update_vsi_list_rule(hw, &vsi_handle, 1, vsi_list_id, true,
80d144c9
AV		 3244 ice_aqc_opc_update_sw_rules,
3245 lkup_type);
3246 if (status)
3247 return status;
3248
3249 fm_list->vsi_count--;
5726ca0e 3250 clear_bit(vsi_handle, fm_list->vsi_list_info->vsi_map);
80d144c9 3251
c60cdb13
BC		 3252 if (fm_list->vsi_count == 1 && lkup_type != ICE_SW_LKUP_VLAN) {
3253 struct ice_fltr_info tmp_fltr_info = fm_list->fltr_info;
80d144c9
AV		 3254 struct ice_vsi_list_map_info *vsi_list_info =
3255 fm_list->vsi_list_info;
5726ca0e 3256 u16 rem_vsi_handle;
80d144c9 3257
5726ca0e
AV		 3258 rem_vsi_handle = find_first_bit(vsi_list_info->vsi_map,
3259 ICE_MAX_VSI);
3260 if (!ice_is_vsi_valid(hw, rem_vsi_handle))
d54699e2 3261 return -EIO;
c60cdb13
BC		 3262
3263 /* Make sure VSI list is empty before removing it below */
5726ca0e 3264 status = ice_update_vsi_list_rule(hw, &rem_vsi_handle, 1,
80d144c9
AV		 3265 vsi_list_id, true,
3266 ice_aqc_opc_update_sw_rules,
3267 lkup_type);
3268 if (status)
3269 return status;
3270
c60cdb13
BC		 3271 tmp_fltr_info.fltr_act = ICE_FWD_TO_VSI;
3272 tmp_fltr_info.fwd_id.hw_vsi_id =
3273 ice_get_hw_vsi_num(hw, rem_vsi_handle);
3274 tmp_fltr_info.vsi_handle = rem_vsi_handle;
3275 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr_info);
3276 if (status) {
9228d8b2 3277 ice_debug(hw, ICE_DBG_SW, "Failed to update pkt fwd rule to FWD_TO_VSI on HW VSI %d, error %d\n",
c60cdb13
BC		 3278 tmp_fltr_info.fwd_id.hw_vsi_id, status);
3279 return status;
3280 }
3281
3282 fm_list->fltr_info = tmp_fltr_info;
3283 }
3284
3285 if ((fm_list->vsi_count == 1 && lkup_type != ICE_SW_LKUP_VLAN) ||
3286 (fm_list->vsi_count == 0 && lkup_type == ICE_SW_LKUP_VLAN)) {
3287 struct ice_vsi_list_map_info *vsi_list_info =
3288 fm_list->vsi_list_info;
3289
80d144c9
AV		 3290 /* Remove the VSI list since it is no longer used */
3291 status = ice_remove_vsi_list_rule(hw, vsi_list_id, lkup_type);
c60cdb13 3292 if (status) {
9228d8b2 3293 ice_debug(hw, ICE_DBG_SW, "Failed to remove VSI list %d, error %d\n",
c60cdb13 3294 vsi_list_id, status);
80d144c9 3295 return status;
c60cdb13 3296 }
80d144c9
AV		 3297
3298 list_del(&vsi_list_info->list_entry);
3299 devm_kfree(ice_hw_to_dev(hw), vsi_list_info);
3300 fm_list->vsi_list_info = NULL;
3301 }
3302
3303 return status;
3304}
3305
3306/**
3307 * ice_remove_rule_internal - Remove a filter rule of a given type
3308 * @hw: pointer to the hardware structure
f9867df6 3309 * @recp_id: recipe ID for which the rule needs to removed
80d144c9
AV		 3310 * @f_entry: rule entry containing filter information
3311 */
5e24d598 3312static int
80d144c9
AV		 3313ice_remove_rule_internal(struct ice_hw *hw, u8 recp_id,
3314 struct ice_fltr_list_entry *f_entry)
3315{
3316 struct ice_switch_info *sw = hw->switch_info;
3317 struct ice_fltr_mgmt_list_entry *list_elem;
3318 struct mutex *rule_lock; /* Lock to protect filter rule list */
80d144c9 3319 bool remove_rule = false;
5726ca0e 3320 u16 vsi_handle;
5518ac2a 3321 int status = 0;
5726ca0e
AV		 3322
3323 if (!ice_is_vsi_valid(hw, f_entry->fltr_info.vsi_handle))
d54699e2 3324 return -EINVAL;
5726ca0e
AV		 3325 f_entry->fltr_info.fwd_id.hw_vsi_id =
3326 ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle);
80d144c9
AV		 3327
3328 rule_lock = &sw->recp_list[recp_id].filt_rule_lock;
3329 mutex_lock(rule_lock);
3330 list_elem = ice_find_rule_entry(hw, recp_id, &f_entry->fltr_info);
3331 if (!list_elem) {
d54699e2 3332 status = -ENOENT;
80d144c9
AV		 3333 goto exit;
3334 }
3335
3336 if (list_elem->fltr_info.fltr_act != ICE_FWD_TO_VSI_LIST) {
3337 remove_rule = true;
5726ca0e 3338 } else if (!list_elem->vsi_list_info) {
d54699e2 3339 status = -ENOENT;
5726ca0e 3340 goto exit;
f9264dd6
JK		 3341 } else if (list_elem->vsi_list_info->ref_cnt > 1) {
3342 /* a ref_cnt > 1 indicates that the vsi_list is being
3343 * shared by multiple rules. Decrement the ref_cnt and
3344 * remove this rule, but do not modify the list, as it
3345 * is in-use by other rules.
3346 */
3347 list_elem->vsi_list_info->ref_cnt--;
3348 remove_rule = true;
80d144c9 3349 } else {
f9264dd6
JK		 3350 /* a ref_cnt of 1 indicates the vsi_list is only used
3351 * by one rule. However, the original removal request is only
3352 * for a single VSI. Update the vsi_list first, and only
3353 * remove the rule if there are no further VSIs in this list.
3354 */
5726ca0e
AV		 3355 vsi_handle = f_entry->fltr_info.vsi_handle;
3356 status = ice_rem_update_vsi_list(hw, vsi_handle, list_elem);
80d144c9
AV		 3357 if (status)
3358 goto exit;
f9867df6 3359 /* if VSI count goes to zero after updating the VSI list */
80d144c9
AV		 3360 if (list_elem->vsi_count == 0)
3361 remove_rule = true;
3362 }
3363
3364 if (remove_rule) {
3365 /* Remove the lookup rule */
6e1ff618 3366 struct ice_sw_rule_lkup_rx_tx *s_rule;
80d144c9
AV		 3367
3368 s_rule = devm_kzalloc(ice_hw_to_dev(hw),
6e1ff618 3369 ICE_SW_RULE_RX_TX_NO_HDR_SIZE(s_rule),
80d144c9
AV		 3370 GFP_KERNEL);
3371 if (!s_rule) {
d54699e2 3372 status = -ENOMEM;
80d144c9
AV		 3373 goto exit;
3374 }
3375
3376 ice_fill_sw_rule(hw, &list_elem->fltr_info, s_rule,
3377 ice_aqc_opc_remove_sw_rules);
3378
3379 status = ice_aq_sw_rules(hw, s_rule,
6e1ff618
AL		 3380 ICE_SW_RULE_RX_TX_NO_HDR_SIZE(s_rule),
3381 1, ice_aqc_opc_remove_sw_rules, NULL);
80d144c9
AV		 3382
3383 /* Remove a book keeping from the list */
3384 devm_kfree(ice_hw_to_dev(hw), s_rule);
3385
8132e17d
JC		 3386 if (status)
3387 goto exit;
3388
80d144c9
AV		 3389 list_del(&list_elem->list_entry);
3390 devm_kfree(ice_hw_to_dev(hw), list_elem);
3391 }
3392exit:
3393 mutex_unlock(rule_lock);
3394 return status;
9daf8208
AV		 3395}
3396
9fea7498
KP		 3397/**
3398 * ice_vlan_fltr_exist - does this VLAN filter exist for given VSI
3399 * @hw: pointer to the hardware structure
3400 * @vlan_id: VLAN ID
3401 * @vsi_handle: check MAC filter for this VSI
3402 */
3403bool ice_vlan_fltr_exist(struct ice_hw *hw, u16 vlan_id, u16 vsi_handle)
3404{
3405 struct ice_fltr_mgmt_list_entry *entry;
3406 struct list_head *rule_head;
3407 struct ice_switch_info *sw;
3408 struct mutex *rule_lock; /* Lock to protect filter rule list */
3409 u16 hw_vsi_id;
3410
3411 if (vlan_id > ICE_MAX_VLAN_ID)
3412 return false;
3413
3414 if (!ice_is_vsi_valid(hw, vsi_handle))
3415 return false;
3416
3417 hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
3418 sw = hw->switch_info;
3419 rule_head = &sw->recp_list[ICE_SW_LKUP_VLAN].filt_rules;
3420 if (!rule_head)
3421 return false;
3422
3423 rule_lock = &sw->recp_list[ICE_SW_LKUP_VLAN].filt_rule_lock;
3424 mutex_lock(rule_lock);
3425 list_for_each_entry(entry, rule_head, list_entry) {
3426 struct ice_fltr_info *f_info = &entry->fltr_info;
3427 u16 entry_vlan_id = f_info->l_data.vlan.vlan_id;
3428 struct ice_vsi_list_map_info *map_info;
3429
3430 if (entry_vlan_id > ICE_MAX_VLAN_ID)
3431 continue;
3432
3433 if (f_info->flag != ICE_FLTR_TX ||
3434 f_info->src_id != ICE_SRC_ID_VSI ||
3435 f_info->lkup_type != ICE_SW_LKUP_VLAN)
3436 continue;
3437
3438 /* Only allowed filter action are FWD_TO_VSI/_VSI_LIST */
3439 if (f_info->fltr_act != ICE_FWD_TO_VSI &&
3440 f_info->fltr_act != ICE_FWD_TO_VSI_LIST)
3441 continue;
3442
3443 if (f_info->fltr_act == ICE_FWD_TO_VSI) {
3444 if (hw_vsi_id != f_info->fwd_id.hw_vsi_id)
3445 continue;
3446 } else if (f_info->fltr_act == ICE_FWD_TO_VSI_LIST) {
3447 /* If filter_action is FWD_TO_VSI_LIST, make sure
3448 * that VSI being checked is part of VSI list
3449 */
3450 if (entry->vsi_count == 1 &&
3451 entry->vsi_list_info) {
3452 map_info = entry->vsi_list_info;
3453 if (!test_bit(vsi_handle, map_info->vsi_map))
3454 continue;
3455 }
3456 }
3457
3458 if (vlan_id == entry_vlan_id) {
3459 mutex_unlock(rule_lock);
3460 return true;
3461 }
3462 }
3463 mutex_unlock(rule_lock);
3464
3465 return false;
3466}
3467
9daf8208
AV		 3468/**
3469 * ice_add_mac - Add a MAC address based filter rule
3470 * @hw: pointer to the hardware structure
3471 * @m_list: list of MAC addresses and forwarding information
9daf8208 3472 */
5e24d598 3473int ice_add_mac(struct ice_hw *hw, struct list_head *m_list)
9daf8208 3474{
9daf8208 3475 struct ice_fltr_list_entry *m_list_itr;
5518ac2a 3476 int status = 0;
9daf8208
AV		 3477
3478 if (!m_list || !hw)
d54699e2 3479 return -EINVAL;
9daf8208
AV		 3480
3481 list_for_each_entry(m_list_itr, m_list, list_entry) {
3482 u8 *add = &m_list_itr->fltr_info.l_data.mac.mac_addr[0];
5726ca0e
AV		 3483 u16 vsi_handle;
3484 u16 hw_vsi_id;
9daf8208 3485
80d144c9 3486 m_list_itr->fltr_info.flag = ICE_FLTR_TX;
5726ca0e
AV		 3487 vsi_handle = m_list_itr->fltr_info.vsi_handle;
3488 if (!ice_is_vsi_valid(hw, vsi_handle))
d54699e2 3489 return -EINVAL;
5726ca0e
AV		 3490 hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
3491 m_list_itr->fltr_info.fwd_id.hw_vsi_id = hw_vsi_id;
f9867df6 3492 /* update the src in case it is VSI num */
5726ca0e 3493 if (m_list_itr->fltr_info.src_id != ICE_SRC_ID_VSI)
d54699e2 3494 return -EINVAL;
5726ca0e 3495 m_list_itr->fltr_info.src = hw_vsi_id;
80d144c9
AV		 3496 if (m_list_itr->fltr_info.lkup_type != ICE_SW_LKUP_MAC ||
3497 is_zero_ether_addr(add))
d54699e2 3498 return -EINVAL;
9daf8208 3499
e1e9db57
SD		 3500 m_list_itr->status = ice_add_rule_internal(hw, ICE_SW_LKUP_MAC,
3501 m_list_itr);
3502 if (m_list_itr->status)
3503 return m_list_itr->status;
9daf8208
AV		 3504 }
3505
9daf8208
AV		 3506 return status;
3507}
3508
d76a60ba
AV		 3509/**
3510 * ice_add_vlan_internal - Add one VLAN based filter rule
3511 * @hw: pointer to the hardware structure
3512 * @f_entry: filter entry containing one VLAN information
3513 */
5e24d598 3514static int
d76a60ba
AV		 3515ice_add_vlan_internal(struct ice_hw *hw, struct ice_fltr_list_entry *f_entry)
3516{
80d144c9 3517 struct ice_switch_info *sw = hw->switch_info;
d76a60ba 3518 struct ice_fltr_mgmt_list_entry *v_list_itr;
5726ca0e
AV		 3519 struct ice_fltr_info *new_fltr, *cur_fltr;
3520 enum ice_sw_lkup_type lkup_type;
3521 u16 vsi_list_id = 0, vsi_handle;
80d144c9 3522 struct mutex *rule_lock; /* Lock to protect filter rule list */
5e24d598 3523 int status = 0;
d76a60ba 3524
5726ca0e 3525 if (!ice_is_vsi_valid(hw, f_entry->fltr_info.vsi_handle))
d54699e2 3526 return -EINVAL;
5726ca0e
AV		 3527
3528 f_entry->fltr_info.fwd_id.hw_vsi_id =
3529 ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle);
d76a60ba 3530 new_fltr = &f_entry->fltr_info;
5726ca0e 3531
f9867df6 3532 /* VLAN ID should only be 12 bits */
d76a60ba 3533 if (new_fltr->l_data.vlan.vlan_id > ICE_MAX_VLAN_ID)
d54699e2 3534 return -EINVAL;
d76a60ba 3535
5726ca0e 3536 if (new_fltr->src_id != ICE_SRC_ID_VSI)
d54699e2 3537 return -EINVAL;
5726ca0e
AV		 3538
3539 new_fltr->src = new_fltr->fwd_id.hw_vsi_id;
3540 lkup_type = new_fltr->lkup_type;
3541 vsi_handle = new_fltr->vsi_handle;
80d144c9
AV		 3542 rule_lock = &sw->recp_list[ICE_SW_LKUP_VLAN].filt_rule_lock;
3543 mutex_lock(rule_lock);
3544 v_list_itr = ice_find_rule_entry(hw, ICE_SW_LKUP_VLAN, new_fltr);
d76a60ba 3545 if (!v_list_itr) {
5726ca0e 3546 struct ice_vsi_list_map_info *map_info = NULL;
d76a60ba
AV		 3547
3548 if (new_fltr->fltr_act == ICE_FWD_TO_VSI) {
5726ca0e
AV		 3549 /* All VLAN pruning rules use a VSI list. Check if
3550 * there is already a VSI list containing VSI that we
3551 * want to add. If found, use the same vsi_list_id for
3552 * this new VLAN rule or else create a new list.
d76a60ba 3553 */
5726ca0e
AV		 3554 map_info = ice_find_vsi_list_entry(hw, ICE_SW_LKUP_VLAN,
3555 vsi_handle,
3556 &vsi_list_id);
3557 if (!map_info) {
3558 status = ice_create_vsi_list_rule(hw,
3559 &vsi_handle,
3560 1,
3561 &vsi_list_id,
3562 lkup_type);
3563 if (status)
3564 goto exit;
3565 }
3566 /* Convert the action to forwarding to a VSI list. */
d76a60ba
AV		 3567 new_fltr->fltr_act = ICE_FWD_TO_VSI_LIST;
3568 new_fltr->fwd_id.vsi_list_id = vsi_list_id;
3569 }
3570
3571 status = ice_create_pkt_fwd_rule(hw, f_entry);
5726ca0e 3572 if (!status) {
80d144c9
AV		 3573 v_list_itr = ice_find_rule_entry(hw, ICE_SW_LKUP_VLAN,
3574 new_fltr);
3575 if (!v_list_itr) {
d54699e2 3576 status = -ENOENT;
80d144c9
AV		 3577 goto exit;
3578 }
5726ca0e
AV		 3579 /* reuse VSI list for new rule and increment ref_cnt */
3580 if (map_info) {
3581 v_list_itr->vsi_list_info = map_info;
3582 map_info->ref_cnt++;
3583 } else {
3584 v_list_itr->vsi_list_info =
3585 ice_create_vsi_list_map(hw, &vsi_handle,
3586 1, vsi_list_id);
3587 }
d76a60ba 3588 }
5726ca0e 3589 } else if (v_list_itr->vsi_list_info->ref_cnt == 1) {
f9867df6 3590 /* Update existing VSI list to add new VSI ID only if it used
5726ca0e
AV		 3591 * by one VLAN rule.
3592 */
3593 cur_fltr = &v_list_itr->fltr_info;
3594 status = ice_add_update_vsi_list(hw, v_list_itr, cur_fltr,
3595 new_fltr);
3596 } else {
3597 /* If VLAN rule exists and VSI list being used by this rule is
3598 * referenced by more than 1 VLAN rule. Then create a new VSI
3599 * list appending previous VSI with new VSI and update existing
f9867df6 3600 * VLAN rule to point to new VSI list ID
5726ca0e
AV		 3601 */
3602 struct ice_fltr_info tmp_fltr;
3603 u16 vsi_handle_arr[2];
3604 u16 cur_handle;
d76a60ba 3605
5726ca0e
AV		 3606 /* Current implementation only supports reusing VSI list with
3607 * one VSI count. We should never hit below condition
3608 */
3609 if (v_list_itr->vsi_count > 1 &&
3610 v_list_itr->vsi_list_info->ref_cnt > 1) {
9228d8b2 3611 ice_debug(hw, ICE_DBG_SW, "Invalid configuration: Optimization to reuse VSI list with more than one VSI is not being done yet\n");
d54699e2 3612 status = -EIO;
5726ca0e
AV		 3613 goto exit;
3614 }
d76a60ba 3615
5726ca0e
AV		 3616 cur_handle =
3617 find_first_bit(v_list_itr->vsi_list_info->vsi_map,
3618 ICE_MAX_VSI);
3619
3620 /* A rule already exists with the new VSI being added */
3621 if (cur_handle == vsi_handle) {
d54699e2 3622 status = -EEXIST;
5726ca0e
AV		 3623 goto exit;
3624 }
3625
3626 vsi_handle_arr[0] = cur_handle;
3627 vsi_handle_arr[1] = vsi_handle;
3628 status = ice_create_vsi_list_rule(hw, &vsi_handle_arr[0], 2,
3629 &vsi_list_id, lkup_type);
3630 if (status)
3631 goto exit;
3632
3633 tmp_fltr = v_list_itr->fltr_info;
3634 tmp_fltr.fltr_rule_id = v_list_itr->fltr_info.fltr_rule_id;
3635 tmp_fltr.fwd_id.vsi_list_id = vsi_list_id;
3636 tmp_fltr.fltr_act = ICE_FWD_TO_VSI_LIST;
3637 /* Update the previous switch rule to a new VSI list which
df17b7e0 3638 * includes current VSI that is requested
5726ca0e
AV		 3639 */
3640 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr);
3641 if (status)
3642 goto exit;
3643
3644 /* before overriding VSI list map info. decrement ref_cnt of
3645 * previous VSI list
3646 */
3647 v_list_itr->vsi_list_info->ref_cnt--;
3648
3649 /* now update to newly created list */
3650 v_list_itr->fltr_info.fwd_id.vsi_list_id = vsi_list_id;
3651 v_list_itr->vsi_list_info =
3652 ice_create_vsi_list_map(hw, &vsi_handle_arr[0], 2,
3653 vsi_list_id);
3654 v_list_itr->vsi_count++;
3655 }
80d144c9
AV		 3656
3657exit:
3658 mutex_unlock(rule_lock);
3659 return status;
d76a60ba
AV		 3660}
3661
3662/**
3663 * ice_add_vlan - Add VLAN based filter rule
3664 * @hw: pointer to the hardware structure
3665 * @v_list: list of VLAN entries and forwarding information
3666 */
5e24d598 3667int ice_add_vlan(struct ice_hw *hw, struct list_head *v_list)
d76a60ba
AV		 3668{
3669 struct ice_fltr_list_entry *v_list_itr;
3670
3671 if (!v_list || !hw)
d54699e2 3672 return -EINVAL;
d76a60ba
AV		 3673
3674 list_for_each_entry(v_list_itr, v_list, list_entry) {
d76a60ba 3675 if (v_list_itr->fltr_info.lkup_type != ICE_SW_LKUP_VLAN)
d54699e2 3676 return -EINVAL;
80d144c9
AV		 3677 v_list_itr->fltr_info.flag = ICE_FLTR_TX;
3678 v_list_itr->status = ice_add_vlan_internal(hw, v_list_itr);
3679 if (v_list_itr->status)
3680 return v_list_itr->status;
d76a60ba
AV		 3681 }
3682 return 0;
3683}
3684
d95276ce
AA		 3685/**
3686 * ice_add_eth_mac - Add ethertype and MAC based filter rule
3687 * @hw: pointer to the hardware structure
3688 * @em_list: list of ether type MAC filter, MAC is optional
2e0e6228
DE		 3689 *
3690 * This function requires the caller to populate the entries in
3691 * the filter list with the necessary fields (including flags to
3692 * indicate Tx or Rx rules).
d95276ce 3693 */
5518ac2a 3694int ice_add_eth_mac(struct ice_hw *hw, struct list_head *em_list)
d95276ce
AA		 3695{
3696 struct ice_fltr_list_entry *em_list_itr;
3697
3698 if (!em_list || !hw)
d54699e2 3699 return -EINVAL;
d95276ce
AA		 3700
3701 list_for_each_entry(em_list_itr, em_list, list_entry) {
3702 enum ice_sw_lkup_type l_type =
3703 em_list_itr->fltr_info.lkup_type;
3704
3705 if (l_type != ICE_SW_LKUP_ETHERTYPE_MAC &&
3706 l_type != ICE_SW_LKUP_ETHERTYPE)
d54699e2 3707 return -EINVAL;
d95276ce 3708
d95276ce
AA		 3709 em_list_itr->status = ice_add_rule_internal(hw, l_type,
3710 em_list_itr);
3711 if (em_list_itr->status)
3712 return em_list_itr->status;
3713 }
3714 return 0;
3715}
3716
3717/**
3718 * ice_remove_eth_mac - Remove an ethertype (or MAC) based filter rule
3719 * @hw: pointer to the hardware structure
3720 * @em_list: list of ethertype or ethertype MAC entries
3721 */
5518ac2a 3722int ice_remove_eth_mac(struct ice_hw *hw, struct list_head *em_list)
d95276ce
AA		 3723{
3724 struct ice_fltr_list_entry *em_list_itr, *tmp;
3725
3726 if (!em_list || !hw)
d54699e2 3727 return -EINVAL;
d95276ce
AA		 3728
3729 list_for_each_entry_safe(em_list_itr, tmp, em_list, list_entry) {
3730 enum ice_sw_lkup_type l_type =
3731 em_list_itr->fltr_info.lkup_type;
3732
3733 if (l_type != ICE_SW_LKUP_ETHERTYPE_MAC &&
3734 l_type != ICE_SW_LKUP_ETHERTYPE)
d54699e2 3735 return -EINVAL;
d95276ce
AA		 3736
3737 em_list_itr->status = ice_remove_rule_internal(hw, l_type,
3738 em_list_itr);
3739 if (em_list_itr->status)
3740 return em_list_itr->status;
3741 }
3742 return 0;
3743}
3744
0f9d5027
AV		 3745/**
3746 * ice_rem_sw_rule_info
3747 * @hw: pointer to the hardware structure
3748 * @rule_head: pointer to the switch list structure that we want to delete
3749 */
3750static void
3751ice_rem_sw_rule_info(struct ice_hw *hw, struct list_head *rule_head)
3752{
3753 if (!list_empty(rule_head)) {
3754 struct ice_fltr_mgmt_list_entry *entry;
3755 struct ice_fltr_mgmt_list_entry *tmp;
3756
3757 list_for_each_entry_safe(entry, tmp, rule_head, list_entry) {
3758 list_del(&entry->list_entry);
3759 devm_kfree(ice_hw_to_dev(hw), entry);
3760 }
3761 }
3762}
3763
8b8ef05b
VR		 3764/**
3765 * ice_rem_adv_rule_info
3766 * @hw: pointer to the hardware structure
3767 * @rule_head: pointer to the switch list structure that we want to delete
3768 */
3769static void
3770ice_rem_adv_rule_info(struct ice_hw *hw, struct list_head *rule_head)
3771{
3772 struct ice_adv_fltr_mgmt_list_entry *tmp_entry;
3773 struct ice_adv_fltr_mgmt_list_entry *lst_itr;
3774
3775 if (list_empty(rule_head))
3776 return;
3777
3778 list_for_each_entry_safe(lst_itr, tmp_entry, rule_head, list_entry) {
3779 list_del(&lst_itr->list_entry);
3780 devm_kfree(ice_hw_to_dev(hw), lst_itr->lkups);
3781 devm_kfree(ice_hw_to_dev(hw), lst_itr);
3782 }
3783}
3784
9daf8208 3785/**
80d144c9 3786 * ice_cfg_dflt_vsi - change state of VSI to set/clear default
d7393425 3787 * @pi: pointer to the port_info structure
5726ca0e 3788 * @vsi_handle: VSI handle to set as default
e94d4478
AV		 3789 * @set: true to add the above mentioned switch rule, false to remove it
3790 * @direction: ICE_FLTR_RX or ICE_FLTR_TX
80d144c9
AV		 3791 *
3792 * add filter rule to set/unset given VSI as default VSI for the switch
3793 * (represented by swid)
e94d4478 3794 */
d7393425
MW		 3795int
3796ice_cfg_dflt_vsi(struct ice_port_info *pi, u16 vsi_handle, bool set,
3797 u8 direction)
e94d4478 3798{
d7393425 3799 struct ice_fltr_list_entry f_list_entry;
e94d4478 3800 struct ice_fltr_info f_info;
d7393425 3801 struct ice_hw *hw = pi->hw;
5726ca0e 3802 u16 hw_vsi_id;
5518ac2a 3803 int status;
5726ca0e
AV		 3804
3805 if (!ice_is_vsi_valid(hw, vsi_handle))
d54699e2 3806 return -EINVAL;
e94d4478 3807
d7393425 3808 hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
e94d4478
AV		 3809
3810 memset(&f_info, 0, sizeof(f_info));
3811
3812 f_info.lkup_type = ICE_SW_LKUP_DFLT;
3813 f_info.flag = direction;
3814 f_info.fltr_act = ICE_FWD_TO_VSI;
5726ca0e 3815 f_info.fwd_id.hw_vsi_id = hw_vsi_id;
d7393425 3816 f_info.vsi_handle = vsi_handle;
e94d4478
AV		 3817
3818 if (f_info.flag & ICE_FLTR_RX) {
3819 f_info.src = hw->port_info->lport;
5726ca0e 3820 f_info.src_id = ICE_SRC_ID_LPORT;
e94d4478 3821 } else if (f_info.flag & ICE_FLTR_TX) {
5726ca0e
AV		 3822 f_info.src_id = ICE_SRC_ID_VSI;
3823 f_info.src = hw_vsi_id;
e94d4478 3824 }
d7393425 3825 f_list_entry.fltr_info = f_info;
e94d4478
AV		 3826
3827 if (set)
d7393425
MW		 3828 status = ice_add_rule_internal(hw, ICE_SW_LKUP_DFLT,
3829 &f_list_entry);
e94d4478 3830 else
d7393425
MW		 3831 status = ice_remove_rule_internal(hw, ICE_SW_LKUP_DFLT,
3832 &f_list_entry);
3833
3834 return status;
3835}
3836
3837/**
3838 * ice_vsi_uses_fltr - Determine if given VSI uses specified filter
3839 * @fm_entry: filter entry to inspect
3840 * @vsi_handle: VSI handle to compare with filter info
3841 */
3842static bool
3843ice_vsi_uses_fltr(struct ice_fltr_mgmt_list_entry *fm_entry, u16 vsi_handle)
3844{
3845 return ((fm_entry->fltr_info.fltr_act == ICE_FWD_TO_VSI &&
3846 fm_entry->fltr_info.vsi_handle == vsi_handle) ||
3847 (fm_entry->fltr_info.fltr_act == ICE_FWD_TO_VSI_LIST &&
3848 fm_entry->vsi_list_info &&
3849 (test_bit(vsi_handle, fm_entry->vsi_list_info->vsi_map))));
3850}
3851
3852/**
3853 * ice_check_if_dflt_vsi - check if VSI is default VSI
3854 * @pi: pointer to the port_info structure
3855 * @vsi_handle: vsi handle to check for in filter list
3856 * @rule_exists: indicates if there are any VSI's in the rule list
3857 *
3858 * checks if the VSI is in a default VSI list, and also indicates
3859 * if the default VSI list is empty
3860 */
3861bool
3862ice_check_if_dflt_vsi(struct ice_port_info *pi, u16 vsi_handle,
3863 bool *rule_exists)
3864{
3865 struct ice_fltr_mgmt_list_entry *fm_entry;
3866 struct ice_sw_recipe *recp_list;
3867 struct list_head *rule_head;
3868 struct mutex *rule_lock; /* Lock to protect filter rule list */
3869 bool ret = false;
3870
3871 recp_list = &pi->hw->switch_info->recp_list[ICE_SW_LKUP_DFLT];
3872 rule_lock = &recp_list->filt_rule_lock;
3873 rule_head = &recp_list->filt_rules;
3874
3875 mutex_lock(rule_lock);
3876
3877 if (rule_exists && !list_empty(rule_head))
3878 *rule_exists = true;
3879
3880 list_for_each_entry(fm_entry, rule_head, list_entry) {
3881 if (ice_vsi_uses_fltr(fm_entry, vsi_handle)) {
3882 ret = true;
3883 break;
e94d4478
AV		 3884 }
3885 }
3886
d7393425
MW		 3887 mutex_unlock(rule_lock);
3888
3889 return ret;
e94d4478
AV		 3890}
3891
d76a60ba 3892/**
80d144c9 3893 * ice_remove_mac - remove a MAC address based filter rule
d76a60ba 3894 * @hw: pointer to the hardware structure
80d144c9
AV		 3895 * @m_list: list of MAC addresses and forwarding information
3896 *
3897 * This function removes either a MAC filter rule or a specific VSI from a
3898 * VSI list for a multicast MAC address.
3899 *
5518ac2a
TN		 3900 * Returns -ENOENT if a given entry was not added by ice_add_mac. Caller should
3901 * be aware that this call will only work if all the entries passed into m_list
3902 * were added previously. It will not attempt to do a partial remove of entries
3903 * that were found.
d76a60ba 3904 */
5e24d598 3905int ice_remove_mac(struct ice_hw *hw, struct list_head *m_list)
d76a60ba 3906{
072f0c3d 3907 struct ice_fltr_list_entry *list_itr, *tmp;
d76a60ba 3908
80d144c9 3909 if (!m_list)
d54699e2 3910 return -EINVAL;
d76a60ba 3911
072f0c3d 3912 list_for_each_entry_safe(list_itr, tmp, m_list, list_entry) {
80d144c9 3913 enum ice_sw_lkup_type l_type = list_itr->fltr_info.lkup_type;
8b2c8582 3914 u16 vsi_handle;
80d144c9
AV		 3915
3916 if (l_type != ICE_SW_LKUP_MAC)
d54699e2 3917 return -EINVAL;
8b2c8582
AA		 3918
3919 vsi_handle = list_itr->fltr_info.vsi_handle;
3920 if (!ice_is_vsi_valid(hw, vsi_handle))
d54699e2 3921 return -EINVAL;
8b2c8582
AA		 3922
3923 list_itr->fltr_info.fwd_id.hw_vsi_id =
3924 ice_get_hw_vsi_num(hw, vsi_handle);
e1e9db57 3925
80d144c9
AV		 3926 list_itr->status = ice_remove_rule_internal(hw,
3927 ICE_SW_LKUP_MAC,
3928 list_itr);
3929 if (list_itr->status)
3930 return list_itr->status;
3931 }
3932 return 0;
d76a60ba
AV		 3933}
3934
3935/**
3936 * ice_remove_vlan - Remove VLAN based filter rule
3937 * @hw: pointer to the hardware structure
3938 * @v_list: list of VLAN entries and forwarding information
3939 */
5518ac2a 3940int ice_remove_vlan(struct ice_hw *hw, struct list_head *v_list)
d76a60ba 3941{
072f0c3d 3942 struct ice_fltr_list_entry *v_list_itr, *tmp;
d76a60ba
AV		 3943
3944 if (!v_list || !hw)
d54699e2 3945 return -EINVAL;
d76a60ba 3946
072f0c3d 3947 list_for_each_entry_safe(v_list_itr, tmp, v_list, list_entry) {
80d144c9
AV		 3948 enum ice_sw_lkup_type l_type = v_list_itr->fltr_info.lkup_type;
3949
3950 if (l_type != ICE_SW_LKUP_VLAN)
d54699e2 3951 return -EINVAL;
80d144c9
AV		 3952 v_list_itr->status = ice_remove_rule_internal(hw,
3953 ICE_SW_LKUP_VLAN,
3954 v_list_itr);
3955 if (v_list_itr->status)
3956 return v_list_itr->status;
d76a60ba 3957 }
80d144c9
AV		 3958 return 0;
3959}
3960
80d144c9
AV		 3961/**
3962 * ice_add_entry_to_vsi_fltr_list - Add copy of fltr_list_entry to remove list
3963 * @hw: pointer to the hardware structure
5726ca0e 3964 * @vsi_handle: VSI handle to remove filters from
80d144c9
AV		 3965 * @vsi_list_head: pointer to the list to add entry to
3966 * @fi: pointer to fltr_info of filter entry to copy & add
3967 *
3968 * Helper function, used when creating a list of filters to remove from
3969 * a specific VSI. The entry added to vsi_list_head is a COPY of the
3970 * original filter entry, with the exception of fltr_info.fltr_act and
3971 * fltr_info.fwd_id fields. These are set such that later logic can
3972 * extract which VSI to remove the fltr from, and pass on that information.
3973 */
5e24d598 3974static int
5726ca0e 3975ice_add_entry_to_vsi_fltr_list(struct ice_hw *hw, u16 vsi_handle,
80d144c9
AV		 3976 struct list_head *vsi_list_head,
3977 struct ice_fltr_info *fi)
3978{
3979 struct ice_fltr_list_entry *tmp;
3980
3981 /* this memory is freed up in the caller function
3982 * once filters for this VSI are removed
3983 */
3984 tmp = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*tmp), GFP_KERNEL);
3985 if (!tmp)
d54699e2 3986 return -ENOMEM;
80d144c9
AV		 3987
3988 tmp->fltr_info = *fi;
3989
3990 /* Overwrite these fields to indicate which VSI to remove filter from,
3991 * so find and remove logic can extract the information from the
3992 * list entries. Note that original entries will still have proper
3993 * values.
3994 */
3995 tmp->fltr_info.fltr_act = ICE_FWD_TO_VSI;
5726ca0e
AV		 3996 tmp->fltr_info.vsi_handle = vsi_handle;
3997 tmp->fltr_info.fwd_id.hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
80d144c9
AV		 3998
3999 list_add(&tmp->list_entry, vsi_list_head);
4000
4001 return 0;
d76a60ba
AV		 4002}
4003
9daf8208
AV		 4004/**
4005 * ice_add_to_vsi_fltr_list - Add VSI filters to the list
4006 * @hw: pointer to the hardware structure
5726ca0e 4007 * @vsi_handle: VSI handle to remove filters from
9daf8208 4008 * @lkup_list_head: pointer to the list that has certain lookup type filters
5726ca0e 4009 * @vsi_list_head: pointer to the list pertaining to VSI with vsi_handle
80d144c9
AV		 4010 *
4011 * Locates all filters in lkup_list_head that are used by the given VSI,
4012 * and adds COPIES of those entries to vsi_list_head (intended to be used
4013 * to remove the listed filters).
4014 * Note that this means all entries in vsi_list_head must be explicitly
4015 * deallocated by the caller when done with list.
9daf8208 4016 */
5e24d598 4017static int
5726ca0e 4018ice_add_to_vsi_fltr_list(struct ice_hw *hw, u16 vsi_handle,
9daf8208
AV		 4019 struct list_head *lkup_list_head,
4020 struct list_head *vsi_list_head)
4021{
4022 struct ice_fltr_mgmt_list_entry *fm_entry;
5e24d598 4023 int status = 0;
9daf8208 4024
f9867df6 4025 /* check to make sure VSI ID is valid and within boundary */
5726ca0e 4026 if (!ice_is_vsi_valid(hw, vsi_handle))
d54699e2 4027 return -EINVAL;
9daf8208
AV		 4028
4029 list_for_each_entry(fm_entry, lkup_list_head, list_entry) {
7a91d3f0 4030 if (!ice_vsi_uses_fltr(fm_entry, vsi_handle))
80d144c9 4031 continue;
9daf8208 4032
5726ca0e 4033 status = ice_add_entry_to_vsi_fltr_list(hw, vsi_handle,
7a91d3f0
JB		 4034 vsi_list_head,
4035 &fm_entry->fltr_info);
80d144c9
AV		 4036 if (status)
4037 return status;
9daf8208 4038 }
80d144c9 4039 return status;
9daf8208
AV		 4040}
4041
5eda8afd
AA		 4042/**
4043 * ice_determine_promisc_mask
4044 * @fi: filter info to parse
4045 *
4046 * Helper function to determine which ICE_PROMISC_ mask corresponds
4047 * to given filter into.
4048 */
4049static u8 ice_determine_promisc_mask(struct ice_fltr_info *fi)
4050{
4051 u16 vid = fi->l_data.mac_vlan.vlan_id;
4052 u8 *macaddr = fi->l_data.mac.mac_addr;
4053 bool is_tx_fltr = false;
4054 u8 promisc_mask = 0;
4055
4056 if (fi->flag == ICE_FLTR_TX)
4057 is_tx_fltr = true;
4058
4059 if (is_broadcast_ether_addr(macaddr))
4060 promisc_mask |= is_tx_fltr ?
4061 ICE_PROMISC_BCAST_TX : ICE_PROMISC_BCAST_RX;
4062 else if (is_multicast_ether_addr(macaddr))
4063 promisc_mask |= is_tx_fltr ?
4064 ICE_PROMISC_MCAST_TX : ICE_PROMISC_MCAST_RX;
4065 else if (is_unicast_ether_addr(macaddr))
4066 promisc_mask |= is_tx_fltr ?
4067 ICE_PROMISC_UCAST_TX : ICE_PROMISC_UCAST_RX;
4068 if (vid)
4069 promisc_mask |= is_tx_fltr ?
4070 ICE_PROMISC_VLAN_TX : ICE_PROMISC_VLAN_RX;
4071
4072 return promisc_mask;
4073}
4074
4075/**
4076 * ice_remove_promisc - Remove promisc based filter rules
4077 * @hw: pointer to the hardware structure
f9867df6 4078 * @recp_id: recipe ID for which the rule needs to removed
5eda8afd
AA		 4079 * @v_list: list of promisc entries
4080 */
5e24d598 4081static int
5518ac2a 4082ice_remove_promisc(struct ice_hw *hw, u8 recp_id, struct list_head *v_list)
5eda8afd
AA		 4083{
4084 struct ice_fltr_list_entry *v_list_itr, *tmp;
4085
4086 list_for_each_entry_safe(v_list_itr, tmp, v_list, list_entry) {
4087 v_list_itr->status =
4088 ice_remove_rule_internal(hw, recp_id, v_list_itr);
4089 if (v_list_itr->status)
4090 return v_list_itr->status;
4091 }
4092 return 0;
4093}
4094
4095/**
4096 * ice_clear_vsi_promisc - clear specified promiscuous mode(s) for given VSI
4097 * @hw: pointer to the hardware structure
4098 * @vsi_handle: VSI handle to clear mode
4099 * @promisc_mask: mask of promiscuous config bits to clear
4100 * @vid: VLAN ID to clear VLAN promiscuous
4101 */
5e24d598 4102int
5eda8afd
AA		 4103ice_clear_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
4104 u16 vid)
4105{
4106 struct ice_switch_info *sw = hw->switch_info;
4107 struct ice_fltr_list_entry *fm_entry, *tmp;
4108 struct list_head remove_list_head;
4109 struct ice_fltr_mgmt_list_entry *itr;
4110 struct list_head *rule_head;
4111 struct mutex *rule_lock; /* Lock to protect filter rule list */
5e24d598 4112 int status = 0;
5eda8afd
AA		 4113 u8 recipe_id;
4114
4115 if (!ice_is_vsi_valid(hw, vsi_handle))
d54699e2 4116 return -EINVAL;
5eda8afd 4117
1bc7a4ab 4118 if (promisc_mask & (ICE_PROMISC_VLAN_RX | ICE_PROMISC_VLAN_TX))
5eda8afd
AA		 4119 recipe_id = ICE_SW_LKUP_PROMISC_VLAN;
4120 else
4121 recipe_id = ICE_SW_LKUP_PROMISC;
4122
4123 rule_head = &sw->recp_list[recipe_id].filt_rules;
4124 rule_lock = &sw->recp_list[recipe_id].filt_rule_lock;
4125
4126 INIT_LIST_HEAD(&remove_list_head);
4127
4128 mutex_lock(rule_lock);
4129 list_for_each_entry(itr, rule_head, list_entry) {
1bc7a4ab 4130 struct ice_fltr_info *fltr_info;
5eda8afd
AA		 4131 u8 fltr_promisc_mask = 0;
4132
4133 if (!ice_vsi_uses_fltr(itr, vsi_handle))
4134 continue;
1bc7a4ab
BC		 4135 fltr_info = &itr->fltr_info;
4136
4137 if (recipe_id == ICE_SW_LKUP_PROMISC_VLAN &&
4138 vid != fltr_info->l_data.mac_vlan.vlan_id)
4139 continue;
5eda8afd 4140
1bc7a4ab 4141 fltr_promisc_mask |= ice_determine_promisc_mask(fltr_info);
5eda8afd
AA		 4142
4143 /* Skip if filter is not completely specified by given mask */
4144 if (fltr_promisc_mask & ~promisc_mask)
4145 continue;
4146
4147 status = ice_add_entry_to_vsi_fltr_list(hw, vsi_handle,
4148 &remove_list_head,
1bc7a4ab 4149 fltr_info);
5eda8afd
AA		 4150 if (status) {
4151 mutex_unlock(rule_lock);
4152 goto free_fltr_list;
4153 }
4154 }
4155 mutex_unlock(rule_lock);
4156
4157 status = ice_remove_promisc(hw, recipe_id, &remove_list_head);
4158
4159free_fltr_list:
4160 list_for_each_entry_safe(fm_entry, tmp, &remove_list_head, list_entry) {
4161 list_del(&fm_entry->list_entry);
4162 devm_kfree(ice_hw_to_dev(hw), fm_entry);
4163 }
4164
4165 return status;
4166}
4167
4168/**
4169 * ice_set_vsi_promisc - set given VSI to given promiscuous mode(s)
4170 * @hw: pointer to the hardware structure
4171 * @vsi_handle: VSI handle to configure
4172 * @promisc_mask: mask of promiscuous config bits
4173 * @vid: VLAN ID to set VLAN promiscuous
4174 */
5e24d598 4175int
5eda8afd
AA		 4176ice_set_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, u16 vid)
4177{
4178 enum { UCAST_FLTR = 1, MCAST_FLTR, BCAST_FLTR };
4179 struct ice_fltr_list_entry f_list_entry;
4180 struct ice_fltr_info new_fltr;
5eda8afd 4181 bool is_tx_fltr;
5518ac2a 4182 int status = 0;
5eda8afd
AA		 4183 u16 hw_vsi_id;
4184 int pkt_type;
4185 u8 recipe_id;
4186
4187 if (!ice_is_vsi_valid(hw, vsi_handle))
d54699e2 4188 return -EINVAL;
5eda8afd
AA		 4189 hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
4190
4191 memset(&new_fltr, 0, sizeof(new_fltr));
4192
4193 if (promisc_mask & (ICE_PROMISC_VLAN_RX | ICE_PROMISC_VLAN_TX)) {
4194 new_fltr.lkup_type = ICE_SW_LKUP_PROMISC_VLAN;
4195 new_fltr.l_data.mac_vlan.vlan_id = vid;
4196 recipe_id = ICE_SW_LKUP_PROMISC_VLAN;
4197 } else {
4198 new_fltr.lkup_type = ICE_SW_LKUP_PROMISC;
4199 recipe_id = ICE_SW_LKUP_PROMISC;
4200 }
4201
4202 /* Separate filters must be set for each direction/packet type
4203 * combination, so we will loop over the mask value, store the
4204 * individual type, and clear it out in the input mask as it
4205 * is found.
4206 */
4207 while (promisc_mask) {
4208 u8 *mac_addr;
4209
4210 pkt_type = 0;
4211 is_tx_fltr = false;
4212
4213 if (promisc_mask & ICE_PROMISC_UCAST_RX) {
4214 promisc_mask &= ~ICE_PROMISC_UCAST_RX;
4215 pkt_type = UCAST_FLTR;
4216 } else if (promisc_mask & ICE_PROMISC_UCAST_TX) {
4217 promisc_mask &= ~ICE_PROMISC_UCAST_TX;
4218 pkt_type = UCAST_FLTR;
4219 is_tx_fltr = true;
4220 } else if (promisc_mask & ICE_PROMISC_MCAST_RX) {
4221 promisc_mask &= ~ICE_PROMISC_MCAST_RX;
4222 pkt_type = MCAST_FLTR;
4223 } else if (promisc_mask & ICE_PROMISC_MCAST_TX) {
4224 promisc_mask &= ~ICE_PROMISC_MCAST_TX;
4225 pkt_type = MCAST_FLTR;
4226 is_tx_fltr = true;
4227 } else if (promisc_mask & ICE_PROMISC_BCAST_RX) {
4228 promisc_mask &= ~ICE_PROMISC_BCAST_RX;
4229 pkt_type = BCAST_FLTR;
4230 } else if (promisc_mask & ICE_PROMISC_BCAST_TX) {
4231 promisc_mask &= ~ICE_PROMISC_BCAST_TX;
4232 pkt_type = BCAST_FLTR;
4233 is_tx_fltr = true;
4234 }
4235
4236 /* Check for VLAN promiscuous flag */
4237 if (promisc_mask & ICE_PROMISC_VLAN_RX) {
4238 promisc_mask &= ~ICE_PROMISC_VLAN_RX;
4239 } else if (promisc_mask & ICE_PROMISC_VLAN_TX) {
4240 promisc_mask &= ~ICE_PROMISC_VLAN_TX;
4241 is_tx_fltr = true;
4242 }
4243
4244 /* Set filter DA based on packet type */
4245 mac_addr = new_fltr.l_data.mac.mac_addr;
4246 if (pkt_type == BCAST_FLTR) {
4247 eth_broadcast_addr(mac_addr);
4248 } else if (pkt_type == MCAST_FLTR ||
4249 pkt_type == UCAST_FLTR) {
4250 /* Use the dummy ether header DA */
4251 ether_addr_copy(mac_addr, dummy_eth_header);
4252 if (pkt_type == MCAST_FLTR)
4253 mac_addr[0] |= 0x1; /* Set multicast bit */
4254 }
4255
4256 /* Need to reset this to zero for all iterations */
4257 new_fltr.flag = 0;
4258 if (is_tx_fltr) {
4259 new_fltr.flag |= ICE_FLTR_TX;
4260 new_fltr.src = hw_vsi_id;
4261 } else {
4262 new_fltr.flag |= ICE_FLTR_RX;
4263 new_fltr.src = hw->port_info->lport;
4264 }
4265
4266 new_fltr.fltr_act = ICE_FWD_TO_VSI;
4267 new_fltr.vsi_handle = vsi_handle;
4268 new_fltr.fwd_id.hw_vsi_id = hw_vsi_id;
4269 f_list_entry.fltr_info = new_fltr;
4270
4271 status = ice_add_rule_internal(hw, recipe_id, &f_list_entry);
4272 if (status)
4273 goto set_promisc_exit;
4274 }
4275
4276set_promisc_exit:
4277 return status;
4278}
4279
4280/**
4281 * ice_set_vlan_vsi_promisc
4282 * @hw: pointer to the hardware structure
4283 * @vsi_handle: VSI handle to configure
4284 * @promisc_mask: mask of promiscuous config bits
4285 * @rm_vlan_promisc: Clear VLANs VSI promisc mode
4286 *
4287 * Configure VSI with all associated VLANs to given promiscuous mode(s)
4288 */
5e24d598 4289int
5eda8afd
AA		 4290ice_set_vlan_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
4291 bool rm_vlan_promisc)
4292{
4293 struct ice_switch_info *sw = hw->switch_info;
4294 struct ice_fltr_list_entry *list_itr, *tmp;
4295 struct list_head vsi_list_head;
4296 struct list_head *vlan_head;
4297 struct mutex *vlan_lock; /* Lock to protect filter rule list */
5eda8afd 4298 u16 vlan_id;
5518ac2a 4299 int status;
5eda8afd
AA		 4300
4301 INIT_LIST_HEAD(&vsi_list_head);
4302 vlan_lock = &sw->recp_list[ICE_SW_LKUP_VLAN].filt_rule_lock;
4303 vlan_head = &sw->recp_list[ICE_SW_LKUP_VLAN].filt_rules;
4304 mutex_lock(vlan_lock);
4305 status = ice_add_to_vsi_fltr_list(hw, vsi_handle, vlan_head,
4306 &vsi_list_head);
4307 mutex_unlock(vlan_lock);
4308 if (status)
4309 goto free_fltr_list;
4310
4311 list_for_each_entry(list_itr, &vsi_list_head, list_entry) {
ffa9ed86
GS		 4312 /* Avoid enabling or disabling VLAN zero twice when in double
4313 * VLAN mode
4314 */
4315 if (ice_is_dvm_ena(hw) &&
4316 list_itr->fltr_info.l_data.vlan.tpid == 0)
4317 continue;
4318
5eda8afd
AA		 4319 vlan_id = list_itr->fltr_info.l_data.vlan.vlan_id;
4320 if (rm_vlan_promisc)
4321 status = ice_clear_vsi_promisc(hw, vsi_handle,
4322 promisc_mask, vlan_id);
4323 else
4324 status = ice_set_vsi_promisc(hw, vsi_handle,
4325 promisc_mask, vlan_id);
11e551a2 4326 if (status && status != -EEXIST)
5eda8afd
AA		 4327 break;
4328 }
4329
4330free_fltr_list:
4331 list_for_each_entry_safe(list_itr, tmp, &vsi_list_head, list_entry) {
4332 list_del(&list_itr->list_entry);
4333 devm_kfree(ice_hw_to_dev(hw), list_itr);
4334 }
4335 return status;
4336}
4337
9daf8208
AV		 4338/**
4339 * ice_remove_vsi_lkup_fltr - Remove lookup type filters for a VSI
4340 * @hw: pointer to the hardware structure
5726ca0e 4341 * @vsi_handle: VSI handle to remove filters from
9daf8208
AV		 4342 * @lkup: switch rule filter lookup type
4343 */
4344static void
5726ca0e 4345ice_remove_vsi_lkup_fltr(struct ice_hw *hw, u16 vsi_handle,
9daf8208
AV		 4346 enum ice_sw_lkup_type lkup)
4347{
4348 struct ice_switch_info *sw = hw->switch_info;
4349 struct ice_fltr_list_entry *fm_entry;
4350 struct list_head remove_list_head;
80d144c9 4351 struct list_head *rule_head;
9daf8208 4352 struct ice_fltr_list_entry *tmp;
80d144c9 4353 struct mutex *rule_lock; /* Lock to protect filter rule list */
5e24d598 4354 int status;
9daf8208
AV		 4355
4356 INIT_LIST_HEAD(&remove_list_head);
80d144c9
AV		 4357 rule_lock = &sw->recp_list[lkup].filt_rule_lock;
4358 rule_head = &sw->recp_list[lkup].filt_rules;
4359 mutex_lock(rule_lock);
5726ca0e 4360 status = ice_add_to_vsi_fltr_list(hw, vsi_handle, rule_head,
80d144c9
AV		 4361 &remove_list_head);
4362 mutex_unlock(rule_lock);
4363 if (status)
b7eeb527 4364 goto free_fltr_list;
80d144c9 4365
9daf8208
AV		 4366 switch (lkup) {
4367 case ICE_SW_LKUP_MAC:
80d144c9 4368 ice_remove_mac(hw, &remove_list_head);
9daf8208
AV		 4369 break;
4370 case ICE_SW_LKUP_VLAN:
80d144c9 4371 ice_remove_vlan(hw, &remove_list_head);
d76a60ba 4372 break;
5eda8afd
AA		 4373 case ICE_SW_LKUP_PROMISC:
4374 case ICE_SW_LKUP_PROMISC_VLAN:
4375 ice_remove_promisc(hw, lkup, &remove_list_head);
4376 break;
9daf8208
AV		 4377 case ICE_SW_LKUP_MAC_VLAN:
4378 case ICE_SW_LKUP_ETHERTYPE:
4379 case ICE_SW_LKUP_ETHERTYPE_MAC:
9daf8208 4380 case ICE_SW_LKUP_DFLT:
80d144c9
AV		 4381 case ICE_SW_LKUP_LAST:
4382 default:
4383 ice_debug(hw, ICE_DBG_SW, "Unsupported lookup type %d\n", lkup);
9daf8208
AV		 4384 break;
4385 }
4386
b7eeb527 4387free_fltr_list:
9daf8208
AV		 4388 list_for_each_entry_safe(fm_entry, tmp, &remove_list_head, list_entry) {
4389 list_del(&fm_entry->list_entry);
4390 devm_kfree(ice_hw_to_dev(hw), fm_entry);
4391 }
4392}
4393
4394/**
4395 * ice_remove_vsi_fltr - Remove all filters for a VSI
4396 * @hw: pointer to the hardware structure
5726ca0e 4397 * @vsi_handle: VSI handle to remove filters from
9daf8208 4398 */
5726ca0e 4399void ice_remove_vsi_fltr(struct ice_hw *hw, u16 vsi_handle)
9daf8208 4400{
5726ca0e
AV		 4401 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_MAC);
4402 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_MAC_VLAN);
4403 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_PROMISC);
4404 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_VLAN);
4405 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_DFLT);
4406 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_ETHERTYPE);
4407 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_ETHERTYPE_MAC);
4408 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_PROMISC_VLAN);
9daf8208 4409}
0f9d5027 4410
148beb61
HT		 4411/**
4412 * ice_alloc_res_cntr - allocating resource counter
4413 * @hw: pointer to the hardware structure
4414 * @type: type of resource
4415 * @alloc_shared: if set it is shared else dedicated
4416 * @num_items: number of entries requested for FD resource type
4417 * @counter_id: counter index returned by AQ call
4418 */
5e24d598 4419int
148beb61
HT		 4420ice_alloc_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,
4421 u16 *counter_id)
4422{
d8e45f29 4423 DEFINE_RAW_FLEX(struct ice_aqc_alloc_free_res_elem, buf, elem, 1);
e268b972 4424 u16 buf_len = __struct_size(buf);
5518ac2a 4425 int status;
148beb61 4426
148beb61 4427 buf->num_elems = cpu_to_le16(num_items);
23eca34e
JB		 4428 buf->res_type = cpu_to_le16(FIELD_PREP(ICE_AQC_RES_TYPE_M, type) |
4429 alloc_shared);
148beb61 4430
52da2fb2 4431 status = ice_aq_alloc_free_res(hw, buf, buf_len, ice_aqc_opc_alloc_res);
148beb61 4432 if (status)
e268b972 4433 return status;
148beb61
HT		 4434
4435 *counter_id = le16_to_cpu(buf->elem[0].e.sw_resp);
148beb61
HT		 4436 return status;
4437}
4438
4439/**
4440 * ice_free_res_cntr - free resource counter
4441 * @hw: pointer to the hardware structure
4442 * @type: type of resource
4443 * @alloc_shared: if set it is shared else dedicated
4444 * @num_items: number of entries to be freed for FD resource type
4445 * @counter_id: counter ID resource which needs to be freed
4446 */
5e24d598 4447int
148beb61
HT		 4448ice_free_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,
4449 u16 counter_id)
4450{
d8e45f29 4451 DEFINE_RAW_FLEX(struct ice_aqc_alloc_free_res_elem, buf, elem, 1);
e268b972 4452 u16 buf_len = __struct_size(buf);
5518ac2a 4453 int status;
148beb61 4454
148beb61 4455 buf->num_elems = cpu_to_le16(num_items);
23eca34e
JB		 4456 buf->res_type = cpu_to_le16(FIELD_PREP(ICE_AQC_RES_TYPE_M, type) |
4457 alloc_shared);
148beb61
HT		 4458 buf->elem[0].e.sw_resp = cpu_to_le16(counter_id);
4459
52da2fb2 4460 status = ice_aq_alloc_free_res(hw, buf, buf_len, ice_aqc_opc_free_res);
148beb61 4461 if (status)
9228d8b2 4462 ice_debug(hw, ICE_DBG_SW, "counter resource could not be freed\n");
148beb61 4463
148beb61
HT		 4464 return status;
4465}
4466
17c6d835
MS		 4467#define ICE_PROTOCOL_ENTRY(id, ...) { \
4468 .prot_type = id, \
4469 .offs = {__VA_ARGS__}, \
4470}
4471
23ccae5c
DE		 4472/**
4473 * ice_share_res - set a resource as shared or dedicated
4474 * @hw: hw struct of original owner of resource
4475 * @type: resource type
4476 * @shared: is the resource being set to shared
4477 * @res_id: resource id (descriptor)
4478 */
4479int ice_share_res(struct ice_hw *hw, u16 type, u8 shared, u16 res_id)
4480{
d8e45f29 4481 DEFINE_RAW_FLEX(struct ice_aqc_alloc_free_res_elem, buf, elem, 1);
e268b972 4482 u16 buf_len = __struct_size(buf);
23eca34e 4483 u16 res_type;
23ccae5c
DE		 4484 int status;
4485
23ccae5c 4486 buf->num_elems = cpu_to_le16(1);
23eca34e 4487 res_type = FIELD_PREP(ICE_AQC_RES_TYPE_M, type);
23ccae5c 4488 if (shared)
23eca34e 4489 res_type |= ICE_AQC_RES_TYPE_FLAG_SHARED;
23ccae5c 4490
23eca34e 4491 buf->res_type = cpu_to_le16(res_type);
23ccae5c 4492 buf->elem[0].e.sw_resp = cpu_to_le16(res_id);
52da2fb2
PK		 4493 status = ice_aq_alloc_free_res(hw, buf, buf_len,
4494 ice_aqc_opc_share_res);
23ccae5c
DE		 4495 if (status)
4496 ice_debug(hw, ICE_DBG_SW, "Could not set resource type %u id %u to %s\n",
4497 type, res_id, shared ? "SHARED" : "DEDICATED");
4498
23ccae5c
DE		 4499 return status;
4500}
4501
fd2a6b71
DN		 4502/* This is mapping table entry that maps every word within a given protocol
4503 * structure to the real byte offset as per the specification of that
4504 * protocol header.
4505 * for example dst address is 3 words in ethertype header and corresponding
4506 * bytes are 0, 2, 3 in the actual packet header and src address is at 4, 6, 8
4507 * IMPORTANT: Every structure part of "ice_prot_hdr" union should have a
4508 * matching entry describing its field. This needs to be updated if new
4509 * structure is added to that union.
4510 */
4511static const struct ice_prot_ext_tbl_entry ice_prot_ext[ICE_PROTOCOL_LAST] = {
17c6d835
MS		 4512 ICE_PROTOCOL_ENTRY(ICE_MAC_OFOS, 0, 2, 4, 6, 8, 10, 12),
4513 ICE_PROTOCOL_ENTRY(ICE_MAC_IL, 0, 2, 4, 6, 8, 10, 12),
4514 ICE_PROTOCOL_ENTRY(ICE_ETYPE_OL, 0),
4515 ICE_PROTOCOL_ENTRY(ICE_ETYPE_IL, 0),
4516 ICE_PROTOCOL_ENTRY(ICE_VLAN_OFOS, 2, 0),
4517 ICE_PROTOCOL_ENTRY(ICE_IPV4_OFOS, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18),
4518 ICE_PROTOCOL_ENTRY(ICE_IPV4_IL, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18),
4519 ICE_PROTOCOL_ENTRY(ICE_IPV6_OFOS, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18,
4520 20, 22, 24, 26, 28, 30, 32, 34, 36, 38),
4521 ICE_PROTOCOL_ENTRY(ICE_IPV6_IL, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20,
4522 22, 24, 26, 28, 30, 32, 34, 36, 38),
4523 ICE_PROTOCOL_ENTRY(ICE_TCP_IL, 0, 2),
4524 ICE_PROTOCOL_ENTRY(ICE_UDP_OF, 0, 2),
4525 ICE_PROTOCOL_ENTRY(ICE_UDP_ILOS, 0, 2),
4526 ICE_PROTOCOL_ENTRY(ICE_VXLAN, 8, 10, 12, 14),
4527 ICE_PROTOCOL_ENTRY(ICE_GENEVE, 8, 10, 12, 14),
4528 ICE_PROTOCOL_ENTRY(ICE_NVGRE, 0, 2, 4, 6),
4529 ICE_PROTOCOL_ENTRY(ICE_GTP, 8, 10, 12, 14, 16, 18, 20, 22),
4530 ICE_PROTOCOL_ENTRY(ICE_GTP_NO_PAY, 8, 10, 12, 14),
4531 ICE_PROTOCOL_ENTRY(ICE_PPPOE, 0, 2, 4, 6),
4532 ICE_PROTOCOL_ENTRY(ICE_L2TPV3, 0, 2, 4, 6, 8, 10),
4533 ICE_PROTOCOL_ENTRY(ICE_VLAN_EX, 2, 0),
4534 ICE_PROTOCOL_ENTRY(ICE_VLAN_IN, 2, 0),
03592a14
MS		 4535 ICE_PROTOCOL_ENTRY(ICE_HW_METADATA,
4536 ICE_SOURCE_PORT_MDID_OFFSET,
4537 ICE_PTYPE_MDID_OFFSET,
4538 ICE_PACKET_LENGTH_MDID_OFFSET,
4539 ICE_SOURCE_VSI_MDID_OFFSET,
4540 ICE_PKT_VLAN_MDID_OFFSET,
4541 ICE_PKT_TUNNEL_MDID_OFFSET,
4542 ICE_PKT_TCP_MDID_OFFSET,
4543 ICE_PKT_ERROR_MDID_OFFSET),
fd2a6b71
DN		 4544};
4545
4546static struct ice_protocol_entry ice_prot_id_tbl[ICE_PROTOCOL_LAST] = {
4547 { ICE_MAC_OFOS, ICE_MAC_OFOS_HW },
4548 { ICE_MAC_IL, ICE_MAC_IL_HW },
4549 { ICE_ETYPE_OL, ICE_ETYPE_OL_HW },
34a89775 4550 { ICE_ETYPE_IL, ICE_ETYPE_IL_HW },
fd2a6b71
DN		 4551 { ICE_VLAN_OFOS, ICE_VLAN_OL_HW },
4552 { ICE_IPV4_OFOS, ICE_IPV4_OFOS_HW },
4553 { ICE_IPV4_IL, ICE_IPV4_IL_HW },
4554 { ICE_IPV6_OFOS, ICE_IPV6_OFOS_HW },
4555 { ICE_IPV6_IL, ICE_IPV6_IL_HW },
4556 { ICE_TCP_IL, ICE_TCP_IL_HW },
4557 { ICE_UDP_OF, ICE_UDP_OF_HW },
4558 { ICE_UDP_ILOS, ICE_UDP_ILOS_HW },
8b032a55
MS		 4559 { ICE_VXLAN, ICE_UDP_OF_HW },
4560 { ICE_GENEVE, ICE_UDP_OF_HW },
9a225f81
MS		 4561 { ICE_NVGRE, ICE_GRE_OF_HW },
4562 { ICE_GTP, ICE_UDP_OF_HW },
4563 { ICE_GTP_NO_PAY, ICE_UDP_ILOS_HW },
cd8efeee 4564 { ICE_PPPOE, ICE_PPPOE_HW },
cd634549 4565 { ICE_L2TPV3, ICE_L2TPV3_HW },
06bca7c2
MSM		 4566 { ICE_VLAN_EX, ICE_VLAN_OF_HW },
4567 { ICE_VLAN_IN, ICE_VLAN_OL_HW },
03592a14 4568 { ICE_HW_METADATA, ICE_META_DATA_ID_HW },
fd2a6b71
DN		 4569};
4570
4571/**
4572 * ice_find_recp - find a recipe
4573 * @hw: pointer to the hardware structure
4574 * @lkup_exts: extension sequence to match
bccd9bce 4575 * @rinfo: information regarding the rule e.g. priority and action info
fd2a6b71
DN		 4576 *
4577 * Returns index of matching recipe, or ICE_MAX_NUM_RECIPES if not found.
4578 */
de6acd1c
MS		 4579static u16
4580ice_find_recp(struct ice_hw *hw, struct ice_prot_lkup_ext *lkup_exts,
bccd9bce 4581 const struct ice_adv_rule_info *rinfo)
fd2a6b71
DN		 4582{
4583 bool refresh_required = true;
4584 struct ice_sw_recipe *recp;
4585 u8 i;
4586
4587 /* Walk through existing recipes to find a match */
4588 recp = hw->switch_info->recp_list;
4589 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
4590 /* If recipe was not created for this ID, in SW bookkeeping,
4591 * check if FW has an entry for this recipe. If the FW has an
4592 * entry update it in our SW bookkeeping and continue with the
4593 * matching.
4594 */
4595 if (!recp[i].recp_created)
4596 if (ice_get_recp_frm_fw(hw,
4597 hw->switch_info->recp_list, i,
4598 &refresh_required))
4599 continue;
4600
4601 /* Skip inverse action recipes */
4602 if (recp[i].root_buf && recp[i].root_buf->content.act_ctrl &
4603 ICE_AQ_RECIPE_ACT_INV_ACT)
4604 continue;
4605
4606 /* if number of words we are looking for match */
4607 if (lkup_exts->n_val_words == recp[i].lkup_exts.n_val_words) {
4608 struct ice_fv_word *ar = recp[i].lkup_exts.fv_words;
4609 struct ice_fv_word *be = lkup_exts->fv_words;
4610 u16 *cr = recp[i].lkup_exts.field_mask;
4611 u16 *de = lkup_exts->field_mask;
4612 bool found = true;
4613 u8 pe, qr;
4614
4615 /* ar, cr, and qr are related to the recipe words, while
4616 * be, de, and pe are related to the lookup words
4617 */
4618 for (pe = 0; pe < lkup_exts->n_val_words; pe++) {
4619 for (qr = 0; qr < recp[i].lkup_exts.n_val_words;
4620 qr++) {
4621 if (ar[qr].off == be[pe].off &&
4622 ar[qr].prot_id == be[pe].prot_id &&
4623 cr[qr] == de[pe])
4624 /* Found the "pe"th word in the
4625 * given recipe
4626 */
4627 break;
4628 }
4629 /* After walking through all the words in the
4630 * "i"th recipe if "p"th word was not found then
4631 * this recipe is not what we are looking for.
4632 * So break out from this loop and try the next
4633 * recipe
4634 */
4635 if (qr >= recp[i].lkup_exts.n_val_words) {
4636 found = false;
4637 break;
4638 }
4639 }
4640 /* If for "i"th recipe the found was never set to false
4641 * then it means we found our match
bccd9bce
MS		 4642 * Also tun type and *_pass_l2 of recipe needs to be
4643 * checked
fd2a6b71 4644 */
bccd9bce
MS		 4645 if (found && recp[i].tun_type == rinfo->tun_type &&
4646 recp[i].need_pass_l2 == rinfo->need_pass_l2 &&
4647 recp[i].allow_pass_l2 == rinfo->allow_pass_l2)
fd2a6b71
DN		 4648 return i; /* Return the recipe ID */
4649 }
4650 }
4651 return ICE_MAX_NUM_RECIPES;
4652}
4653
a1ffafb0
BC		 4654/**
4655 * ice_change_proto_id_to_dvm - change proto id in prot_id_tbl
4656 *
4657 * As protocol id for outer vlan is different in dvm and svm, if dvm is
4658 * supported protocol array record for outer vlan has to be modified to
4659 * reflect the value proper for DVM.
4660 */
4661void ice_change_proto_id_to_dvm(void)
4662{
4663 u8 i;
4664
4665 for (i = 0; i < ARRAY_SIZE(ice_prot_id_tbl); i++)
4666 if (ice_prot_id_tbl[i].type == ICE_VLAN_OFOS &&
4667 ice_prot_id_tbl[i].protocol_id != ICE_VLAN_OF_HW)
4668 ice_prot_id_tbl[i].protocol_id = ICE_VLAN_OF_HW;
4669}
4670
fd2a6b71
DN		 4671/**
4672 * ice_prot_type_to_id - get protocol ID from protocol type
4673 * @type: protocol type
4674 * @id: pointer to variable that will receive the ID
4675 *
4676 * Returns true if found, false otherwise
4677 */
4678static bool ice_prot_type_to_id(enum ice_protocol_type type, u8 *id)
4679{
4680 u8 i;
4681
4682 for (i = 0; i < ARRAY_SIZE(ice_prot_id_tbl); i++)
4683 if (ice_prot_id_tbl[i].type == type) {
4684 *id = ice_prot_id_tbl[i].protocol_id;
4685 return true;
4686 }
4687 return false;
4688}
4689
4690/**
4691 * ice_fill_valid_words - count valid words
4692 * @rule: advanced rule with lookup information
4693 * @lkup_exts: byte offset extractions of the words that are valid
4694 *
4695 * calculate valid words in a lookup rule using mask value
4696 */
4697static u8
4698ice_fill_valid_words(struct ice_adv_lkup_elem *rule,
4699 struct ice_prot_lkup_ext *lkup_exts)
4700{
4701 u8 j, word, prot_id, ret_val;
4702
4703 if (!ice_prot_type_to_id(rule->type, &prot_id))
4704 return 0;
4705
4706 word = lkup_exts->n_val_words;
4707
4708 for (j = 0; j < sizeof(rule->m_u) / sizeof(u16); j++)
4709 if (((u16 *)&rule->m_u)[j] &&
4710 rule->type < ARRAY_SIZE(ice_prot_ext)) {
4711 /* No more space to accommodate */
4712 if (word >= ICE_MAX_CHAIN_WORDS)
4713 return 0;
4714 lkup_exts->fv_words[word].off =
4715 ice_prot_ext[rule->type].offs[j];
4716 lkup_exts->fv_words[word].prot_id =
4717 ice_prot_id_tbl[rule->type].protocol_id;
4718 lkup_exts->field_mask[word] =
4719 be16_to_cpu(((__force __be16 *)&rule->m_u)[j]);
4720 word++;
4721 }
4722
4723 ret_val = word - lkup_exts->n_val_words;
4724 lkup_exts->n_val_words = word;
4725
4726 return ret_val;
4727}
4728
4729/**
4730 * ice_create_first_fit_recp_def - Create a recipe grouping
4731 * @hw: pointer to the hardware structure
4732 * @lkup_exts: an array of protocol header extractions
4733 * @rg_list: pointer to a list that stores new recipe groups
4734 * @recp_cnt: pointer to a variable that stores returned number of recipe groups
4735 *
4736 * Using first fit algorithm, take all the words that are still not done
4737 * and start grouping them in 4-word groups. Each group makes up one
4738 * recipe.
4739 */
5e24d598 4740static int
fd2a6b71
DN		 4741ice_create_first_fit_recp_def(struct ice_hw *hw,
4742 struct ice_prot_lkup_ext *lkup_exts,
4743 struct list_head *rg_list,
4744 u8 *recp_cnt)
4745{
4746 struct ice_pref_recipe_group *grp = NULL;
4747 u8 j;
4748
4749 *recp_cnt = 0;
4750
4751 /* Walk through every word in the rule to check if it is not done. If so
4752 * then this word needs to be part of a new recipe.
4753 */
4754 for (j = 0; j < lkup_exts->n_val_words; j++)
4755 if (!test_bit(j, lkup_exts->done)) {
4756 if (!grp ||
4757 grp->n_val_pairs == ICE_NUM_WORDS_RECIPE) {
4758 struct ice_recp_grp_entry *entry;
4759
4760 entry = devm_kzalloc(ice_hw_to_dev(hw),
4761 sizeof(*entry),
4762 GFP_KERNEL);
4763 if (!entry)
d54699e2 4764 return -ENOMEM;
fd2a6b71
DN		 4765 list_add(&entry->l_entry, rg_list);
4766 grp = &entry->r_group;
4767 (*recp_cnt)++;
4768 }
4769
4770 grp->pairs[grp->n_val_pairs].prot_id =
4771 lkup_exts->fv_words[j].prot_id;
4772 grp->pairs[grp->n_val_pairs].off =
4773 lkup_exts->fv_words[j].off;
4774 grp->mask[grp->n_val_pairs] = lkup_exts->field_mask[j];
4775 grp->n_val_pairs++;
4776 }
4777
4778 return 0;
4779}
4780
4781/**
4782 * ice_fill_fv_word_index - fill in the field vector indices for a recipe group
4783 * @hw: pointer to the hardware structure
4784 * @fv_list: field vector with the extraction sequence information
4785 * @rg_list: recipe groupings with protocol-offset pairs
4786 *
4787 * Helper function to fill in the field vector indices for protocol-offset
4788 * pairs. These indexes are then ultimately programmed into a recipe.
4789 */
5e24d598 4790static int
fd2a6b71
DN		 4791ice_fill_fv_word_index(struct ice_hw *hw, struct list_head *fv_list,
4792 struct list_head *rg_list)
4793{
4794 struct ice_sw_fv_list_entry *fv;
4795 struct ice_recp_grp_entry *rg;
4796 struct ice_fv_word *fv_ext;
4797
4798 if (list_empty(fv_list))
4799 return 0;
4800
4801 fv = list_first_entry(fv_list, struct ice_sw_fv_list_entry,
4802 list_entry);
4803 fv_ext = fv->fv_ptr->ew;
4804
4805 list_for_each_entry(rg, rg_list, l_entry) {
4806 u8 i;
4807
4808 for (i = 0; i < rg->r_group.n_val_pairs; i++) {
4809 struct ice_fv_word *pr;
4810 bool found = false;
4811 u16 mask;
4812 u8 j;
4813
4814 pr = &rg->r_group.pairs[i];
4815 mask = rg->r_group.mask[i];
4816
4817 for (j = 0; j < hw->blk[ICE_BLK_SW].es.fvw; j++)
4818 if (fv_ext[j].prot_id == pr->prot_id &&
4819 fv_ext[j].off == pr->off) {
4820 found = true;
4821
4822 /* Store index of field vector */
4823 rg->fv_idx[i] = j;
4824 rg->fv_mask[i] = mask;
4825 break;
4826 }
4827
4828 /* Protocol/offset could not be found, caller gave an
4829 * invalid pair
4830 */
4831 if (!found)
d54699e2 4832 return -EINVAL;
fd2a6b71
DN		 4833 }
4834 }
4835
4836 return 0;
4837}
4838
4839/**
4840 * ice_find_free_recp_res_idx - find free result indexes for recipe
4841 * @hw: pointer to hardware structure
4842 * @profiles: bitmap of profiles that will be associated with the new recipe
4843 * @free_idx: pointer to variable to receive the free index bitmap
4844 *
4845 * The algorithm used here is:
4846 * 1. When creating a new recipe, create a set P which contains all
4847 * Profiles that will be associated with our new recipe
4848 *
4849 * 2. For each Profile p in set P:
4850 * a. Add all recipes associated with Profile p into set R
4851 * b. Optional : PossibleIndexes &= profile[p].possibleIndexes
4852 * [initially PossibleIndexes should be 0xFFFFFFFFFFFFFFFF]
4853 * i. Or just assume they all have the same possible indexes:
4854 * 44, 45, 46, 47
4855 * i.e., PossibleIndexes = 0x0000F00000000000
4856 *
4857 * 3. For each Recipe r in set R:
4858 * a. UsedIndexes |= (bitwise or ) recipe[r].res_indexes
4859 * b. FreeIndexes = UsedIndexes ^ PossibleIndexes
4860 *
4861 * FreeIndexes will contain the bits indicating the indexes free for use,
4862 * then the code needs to update the recipe[r].used_result_idx_bits to
4863 * indicate which indexes were selected for use by this recipe.
4864 */
4865static u16
4866ice_find_free_recp_res_idx(struct ice_hw *hw, const unsigned long *profiles,
4867 unsigned long *free_idx)
4868{
4869 DECLARE_BITMAP(possible_idx, ICE_MAX_FV_WORDS);
4870 DECLARE_BITMAP(recipes, ICE_MAX_NUM_RECIPES);
4871 DECLARE_BITMAP(used_idx, ICE_MAX_FV_WORDS);
4872 u16 bit;
4873
fd2a6b71
DN		 4874 bitmap_zero(recipes, ICE_MAX_NUM_RECIPES);
4875 bitmap_zero(used_idx, ICE_MAX_FV_WORDS);
fd2a6b71 4876
2f7ee2a7 4877 bitmap_fill(possible_idx, ICE_MAX_FV_WORDS);
fd2a6b71
DN		 4878
4879 /* For each profile we are going to associate the recipe with, add the
4880 * recipes that are associated with that profile. This will give us
4881 * the set of recipes that our recipe may collide with. Also, determine
4882 * what possible result indexes are usable given this set of profiles.
4883 */
4884 for_each_set_bit(bit, profiles, ICE_MAX_NUM_PROFILES) {
4885 bitmap_or(recipes, recipes, profile_to_recipe[bit],
4886 ICE_MAX_NUM_RECIPES);
4887 bitmap_and(possible_idx, possible_idx,
4888 hw->switch_info->prof_res_bm[bit],
4889 ICE_MAX_FV_WORDS);
4890 }
4891
4892 /* For each recipe that our new recipe may collide with, determine
4893 * which indexes have been used.
4894 */
4895 for_each_set_bit(bit, recipes, ICE_MAX_NUM_RECIPES)
4896 bitmap_or(used_idx, used_idx,
4897 hw->switch_info->recp_list[bit].res_idxs,
4898 ICE_MAX_FV_WORDS);
4899
4900 bitmap_xor(free_idx, used_idx, possible_idx, ICE_MAX_FV_WORDS);
4901
4902 /* return number of free indexes */
4903 return (u16)bitmap_weight(free_idx, ICE_MAX_FV_WORDS);
4904}
4905
4906/**
4907 * ice_add_sw_recipe - function to call AQ calls to create switch recipe
4908 * @hw: pointer to hardware structure
4909 * @rm: recipe management list entry
fd2a6b71
DN		 4910 * @profiles: bitmap of profiles that will be associated.
4911 */
5e24d598 4912static int
fd2a6b71 4913ice_add_sw_recipe(struct ice_hw *hw, struct ice_sw_recipe *rm,
8b032a55 4914 unsigned long *profiles)
fd2a6b71
DN		 4915{
4916 DECLARE_BITMAP(result_idx_bm, ICE_MAX_FV_WORDS);
bccd9bce 4917 struct ice_aqc_recipe_content *content;
fd2a6b71
DN		 4918 struct ice_aqc_recipe_data_elem *tmp;
4919 struct ice_aqc_recipe_data_elem *buf;
4920 struct ice_recp_grp_entry *entry;
fd2a6b71
DN		 4921 u16 free_res_idx;
4922 u16 recipe_count;
4923 u8 chain_idx;
4924 u8 recps = 0;
5518ac2a 4925 int status;
fd2a6b71
DN		 4926
4927 /* When more than one recipe are required, another recipe is needed to
4928 * chain them together. Matching a tunnel metadata ID takes up one of
4929 * the match fields in the chaining recipe reducing the number of
4930 * chained recipes by one.
4931 */
4932 /* check number of free result indices */
4933 bitmap_zero(result_idx_bm, ICE_MAX_FV_WORDS);
4934 free_res_idx = ice_find_free_recp_res_idx(hw, profiles, result_idx_bm);
4935
4936 ice_debug(hw, ICE_DBG_SW, "Result idx slots: %d, need %d\n",
4937 free_res_idx, rm->n_grp_count);
4938
4939 if (rm->n_grp_count > 1) {
4940 if (rm->n_grp_count > free_res_idx)
d54699e2 4941 return -ENOSPC;
fd2a6b71
DN		 4942
4943 rm->n_grp_count++;
4944 }
4945
4946 if (rm->n_grp_count > ICE_MAX_CHAIN_RECIPE)
d54699e2 4947 return -ENOSPC;
fd2a6b71
DN		 4948
4949 tmp = kcalloc(ICE_MAX_NUM_RECIPES, sizeof(*tmp), GFP_KERNEL);
4950 if (!tmp)
d54699e2 4951 return -ENOMEM;
fd2a6b71
DN		 4952
4953 buf = devm_kcalloc(ice_hw_to_dev(hw), rm->n_grp_count, sizeof(*buf),
4954 GFP_KERNEL);
4955 if (!buf) {
d54699e2 4956 status = -ENOMEM;
fd2a6b71
DN		 4957 goto err_mem;
4958 }
4959
4960 bitmap_zero(rm->r_bitmap, ICE_MAX_NUM_RECIPES);
4961 recipe_count = ICE_MAX_NUM_RECIPES;
4962 status = ice_aq_get_recipe(hw, tmp, &recipe_count, ICE_SW_LKUP_MAC,
4963 NULL);
4964 if (status || recipe_count == 0)
4965 goto err_unroll;
4966
4967 /* Allocate the recipe resources, and configure them according to the
4968 * match fields from protocol headers and extracted field vectors.
4969 */
4970 chain_idx = find_first_bit(result_idx_bm, ICE_MAX_FV_WORDS);
4971 list_for_each_entry(entry, &rm->rg_list, l_entry) {
4972 u8 i;
4973
4974 status = ice_alloc_recipe(hw, &entry->rid);
4975 if (status)
4976 goto err_unroll;
4977
bccd9bce
MS		 4978 content = &buf[recps].content;
4979
fd2a6b71
DN		 4980 /* Clear the result index of the located recipe, as this will be
4981 * updated, if needed, later in the recipe creation process.
4982 */
4983 tmp[0].content.result_indx = 0;
4984
4985 buf[recps] = tmp[0];
4986 buf[recps].recipe_indx = (u8)entry->rid;
4987 /* if the recipe is a non-root recipe RID should be programmed
4988 * as 0 for the rules to be applied correctly.
4989 */
bccd9bce
MS		 4990 content->rid = 0;
4991 memset(&content->lkup_indx, 0,
4992 sizeof(content->lkup_indx));
fd2a6b71
DN		 4993
4994 /* All recipes use look-up index 0 to match switch ID. */
bccd9bce
MS		 4995 content->lkup_indx[0] = ICE_AQ_SW_ID_LKUP_IDX;
4996 content->mask[0] = cpu_to_le16(ICE_AQ_SW_ID_LKUP_MASK);
fd2a6b71
DN		 4997 /* Setup lkup_indx 1..4 to INVALID/ignore and set the mask
4998 * to be 0
4999 */
5000 for (i = 1; i <= ICE_NUM_WORDS_RECIPE; i++) {
bccd9bce
MS		 5001 content->lkup_indx[i] = 0x80;
5002 content->mask[i] = 0;
fd2a6b71
DN		 5003 }
5004
5005 for (i = 0; i < entry->r_group.n_val_pairs; i++) {
bccd9bce
MS		 5006 content->lkup_indx[i + 1] = entry->fv_idx[i];
5007 content->mask[i + 1] = cpu_to_le16(entry->fv_mask[i]);
fd2a6b71
DN		 5008 }
5009
5010 if (rm->n_grp_count > 1) {
5011 /* Checks to see if there really is a valid result index
5012 * that can be used.
5013 */
5014 if (chain_idx >= ICE_MAX_FV_WORDS) {
5015 ice_debug(hw, ICE_DBG_SW, "No chain index available\n");
d54699e2 5016 status = -ENOSPC;
fd2a6b71
DN		 5017 goto err_unroll;
5018 }
5019
5020 entry->chain_idx = chain_idx;
bccd9bce 5021 content->result_indx =
fd2a6b71 5022 ICE_AQ_RECIPE_RESULT_EN |
23eca34e
JB		 5023 FIELD_PREP(ICE_AQ_RECIPE_RESULT_DATA_M,
5024 chain_idx);
fd2a6b71
DN		 5025 clear_bit(chain_idx, result_idx_bm);
5026 chain_idx = find_first_bit(result_idx_bm,
5027 ICE_MAX_FV_WORDS);
5028 }
5029
5030 /* fill recipe dependencies */
5031 bitmap_zero((unsigned long *)buf[recps].recipe_bitmap,
5032 ICE_MAX_NUM_RECIPES);
5033 set_bit(buf[recps].recipe_indx,
5034 (unsigned long *)buf[recps].recipe_bitmap);
bccd9bce
MS		 5035 content->act_ctrl_fwd_priority = rm->priority;
5036
5037 if (rm->need_pass_l2)
5038 content->act_ctrl |= ICE_AQ_RECIPE_ACT_NEED_PASS_L2;
5039
5040 if (rm->allow_pass_l2)
5041 content->act_ctrl |= ICE_AQ_RECIPE_ACT_ALLOW_PASS_L2;
fd2a6b71
DN		 5042 recps++;
5043 }
5044
5045 if (rm->n_grp_count == 1) {
5046 rm->root_rid = buf[0].recipe_indx;
5047 set_bit(buf[0].recipe_indx, rm->r_bitmap);
5048 buf[0].content.rid = rm->root_rid | ICE_AQ_RECIPE_ID_IS_ROOT;
5049 if (sizeof(buf[0].recipe_bitmap) >= sizeof(rm->r_bitmap)) {
5050 memcpy(buf[0].recipe_bitmap, rm->r_bitmap,
5051 sizeof(buf[0].recipe_bitmap));
5052 } else {
d54699e2 5053 status = -EINVAL;
fd2a6b71
DN		 5054 goto err_unroll;
5055 }
5056 /* Applicable only for ROOT_RECIPE, set the fwd_priority for
5057 * the recipe which is getting created if specified
5058 * by user. Usually any advanced switch filter, which results
5059 * into new extraction sequence, ended up creating a new recipe
5060 * of type ROOT and usually recipes are associated with profiles
5061 * Switch rule referreing newly created recipe, needs to have
5062 * either/or 'fwd' or 'join' priority, otherwise switch rule
5063 * evaluation will not happen correctly. In other words, if
5064 * switch rule to be evaluated on priority basis, then recipe
5065 * needs to have priority, otherwise it will be evaluated last.
5066 */
5067 buf[0].content.act_ctrl_fwd_priority = rm->priority;
5068 } else {
5069 struct ice_recp_grp_entry *last_chain_entry;
5070 u16 rid, i;
5071
5072 /* Allocate the last recipe that will chain the outcomes of the
5073 * other recipes together
5074 */
5075 status = ice_alloc_recipe(hw, &rid);
5076 if (status)
5077 goto err_unroll;
5078
bccd9bce
MS		 5079 content = &buf[recps].content;
5080
fd2a6b71 5081 buf[recps].recipe_indx = (u8)rid;
bccd9bce
MS		 5082 content->rid = (u8)rid;
5083 content->rid |= ICE_AQ_RECIPE_ID_IS_ROOT;
fd2a6b71
DN		 5084 /* the new entry created should also be part of rg_list to
5085 * make sure we have complete recipe
5086 */
5087 last_chain_entry = devm_kzalloc(ice_hw_to_dev(hw),
5088 sizeof(*last_chain_entry),
5089 GFP_KERNEL);
5090 if (!last_chain_entry) {
d54699e2 5091 status = -ENOMEM;
fd2a6b71
DN		 5092 goto err_unroll;
5093 }
5094 last_chain_entry->rid = rid;
bccd9bce 5095 memset(&content->lkup_indx, 0, sizeof(content->lkup_indx));
fd2a6b71 5096 /* All recipes use look-up index 0 to match switch ID. */
bccd9bce
MS		 5097 content->lkup_indx[0] = ICE_AQ_SW_ID_LKUP_IDX;
5098 content->mask[0] = cpu_to_le16(ICE_AQ_SW_ID_LKUP_MASK);
fd2a6b71 5099 for (i = 1; i <= ICE_NUM_WORDS_RECIPE; i++) {
bccd9bce
MS		 5100 content->lkup_indx[i] = ICE_AQ_RECIPE_LKUP_IGNORE;
5101 content->mask[i] = 0;
fd2a6b71
DN		 5102 }
5103
5104 i = 1;
5105 /* update r_bitmap with the recp that is used for chaining */
5106 set_bit(rid, rm->r_bitmap);
5107 /* this is the recipe that chains all the other recipes so it
5108 * should not have a chaining ID to indicate the same
5109 */
5110 last_chain_entry->chain_idx = ICE_INVAL_CHAIN_IND;
5111 list_for_each_entry(entry, &rm->rg_list, l_entry) {
5112 last_chain_entry->fv_idx[i] = entry->chain_idx;
bccd9bce
MS		 5113 content->lkup_indx[i] = entry->chain_idx;
5114 content->mask[i++] = cpu_to_le16(0xFFFF);
fd2a6b71
DN		 5115 set_bit(entry->rid, rm->r_bitmap);
5116 }
5117 list_add(&last_chain_entry->l_entry, &rm->rg_list);
5118 if (sizeof(buf[recps].recipe_bitmap) >=
5119 sizeof(rm->r_bitmap)) {
5120 memcpy(buf[recps].recipe_bitmap, rm->r_bitmap,
5121 sizeof(buf[recps].recipe_bitmap));
5122 } else {
d54699e2 5123 status = -EINVAL;
fd2a6b71
DN		 5124 goto err_unroll;
5125 }
bccd9bce 5126 content->act_ctrl_fwd_priority = rm->priority;
fd2a6b71 5127
fd2a6b71
DN		 5128 recps++;
5129 rm->root_rid = (u8)rid;
5130 }
5131 status = ice_acquire_change_lock(hw, ICE_RES_WRITE);
5132 if (status)
5133 goto err_unroll;
5134
5135 status = ice_aq_add_recipe(hw, buf, rm->n_grp_count, NULL);
5136 ice_release_change_lock(hw);
5137 if (status)
5138 goto err_unroll;
5139
5140 /* Every recipe that just got created add it to the recipe
5141 * book keeping list
5142 */
5143 list_for_each_entry(entry, &rm->rg_list, l_entry) {
5144 struct ice_switch_info *sw = hw->switch_info;
5145 bool is_root, idx_found = false;
5146 struct ice_sw_recipe *recp;
5147 u16 idx, buf_idx = 0;
5148
5149 /* find buffer index for copying some data */
5150 for (idx = 0; idx < rm->n_grp_count; idx++)
5151 if (buf[idx].recipe_indx == entry->rid) {
5152 buf_idx = idx;
5153 idx_found = true;
5154 }
5155
5156 if (!idx_found) {
d54699e2 5157 status = -EIO;
fd2a6b71
DN		 5158 goto err_unroll;
5159 }
5160
5161 recp = &sw->recp_list[entry->rid];
5162 is_root = (rm->root_rid == entry->rid);
5163 recp->is_root = is_root;
5164
5165 recp->root_rid = entry->rid;
5166 recp->big_recp = (is_root && rm->n_grp_count > 1);
5167
5168 memcpy(&recp->ext_words, entry->r_group.pairs,
5169 entry->r_group.n_val_pairs * sizeof(struct ice_fv_word));
5170
5171 memcpy(recp->r_bitmap, buf[buf_idx].recipe_bitmap,
5172 sizeof(recp->r_bitmap));
5173
5174 /* Copy non-result fv index values and masks to recipe. This
5175 * call will also update the result recipe bitmask.
5176 */
5177 ice_collect_result_idx(&buf[buf_idx], recp);
5178
5179 /* for non-root recipes, also copy to the root, this allows
5180 * easier matching of a complete chained recipe
5181 */
5182 if (!is_root)
5183 ice_collect_result_idx(&buf[buf_idx],
5184 &sw->recp_list[rm->root_rid]);
5185
5186 recp->n_ext_words = entry->r_group.n_val_pairs;
5187 recp->chain_idx = entry->chain_idx;
5188 recp->priority = buf[buf_idx].content.act_ctrl_fwd_priority;
5189 recp->n_grp_count = rm->n_grp_count;
8b032a55 5190 recp->tun_type = rm->tun_type;
bccd9bce
MS		 5191 recp->need_pass_l2 = rm->need_pass_l2;
5192 recp->allow_pass_l2 = rm->allow_pass_l2;
fd2a6b71
DN		 5193 recp->recp_created = true;
5194 }
5195 rm->root_buf = buf;
5196 kfree(tmp);
5197 return status;
5198
5199err_unroll:
5200err_mem:
5201 kfree(tmp);
5202 devm_kfree(ice_hw_to_dev(hw), buf);
5203 return status;
5204}
5205
5206/**
5207 * ice_create_recipe_group - creates recipe group
5208 * @hw: pointer to hardware structure
5209 * @rm: recipe management list entry
5210 * @lkup_exts: lookup elements
5211 */
5e24d598 5212static int
fd2a6b71
DN		 5213ice_create_recipe_group(struct ice_hw *hw, struct ice_sw_recipe *rm,
5214 struct ice_prot_lkup_ext *lkup_exts)
5215{
fd2a6b71 5216 u8 recp_count = 0;
5518ac2a 5217 int status;
fd2a6b71
DN		 5218
5219 rm->n_grp_count = 0;
5220
5221 /* Create recipes for words that are marked not done by packing them
5222 * as best fit.
5223 */
5224 status = ice_create_first_fit_recp_def(hw, lkup_exts,
5225 &rm->rg_list, &recp_count);
5226 if (!status) {
5227 rm->n_grp_count += recp_count;
5228 rm->n_ext_words = lkup_exts->n_val_words;
5229 memcpy(&rm->ext_words, lkup_exts->fv_words,
5230 sizeof(rm->ext_words));
5231 memcpy(rm->word_masks, lkup_exts->field_mask,
5232 sizeof(rm->word_masks));
5233 }
5234
5235 return status;
5236}
5237
fd2a6b71
DN		 5238/* ice_get_compat_fv_bitmap - Get compatible field vector bitmap for rule
5239 * @hw: pointer to hardware structure
5240 * @rinfo: other information regarding the rule e.g. priority and action info
5241 * @bm: pointer to memory for returning the bitmap of field vectors
5242 */
5243static void
5244ice_get_compat_fv_bitmap(struct ice_hw *hw, struct ice_adv_rule_info *rinfo,
5245 unsigned long *bm)
5246{
8b032a55
MS		 5247 enum ice_prof_type prof_type;
5248
fd2a6b71
DN		 5249 bitmap_zero(bm, ICE_MAX_NUM_PROFILES);
5250
8b032a55
MS		 5251 switch (rinfo->tun_type) {
5252 case ICE_NON_TUN:
5253 prof_type = ICE_PROF_NON_TUN;
5254 break;
5255 case ICE_ALL_TUNNELS:
5256 prof_type = ICE_PROF_TUN_ALL;
5257 break;
5258 case ICE_SW_TUN_GENEVE:
5259 case ICE_SW_TUN_VXLAN:
5260 prof_type = ICE_PROF_TUN_UDP;
5261 break;
f0a35040
MS		 5262 case ICE_SW_TUN_NVGRE:
5263 prof_type = ICE_PROF_TUN_GRE;
5264 break;
9a225f81
MS		 5265 case ICE_SW_TUN_GTPU:
5266 prof_type = ICE_PROF_TUN_GTPU;
5267 break;
5268 case ICE_SW_TUN_GTPC:
5269 prof_type = ICE_PROF_TUN_GTPC;
5270 break;
b70bc066 5271 case ICE_SW_TUN_AND_NON_TUN:
8b032a55
MS		 5272 default:
5273 prof_type = ICE_PROF_ALL;
5274 break;
5275 }
5276
5277 ice_get_sw_fv_bitmap(hw, prof_type, bm);
fd2a6b71
DN		 5278}
5279
5280/**
5281 * ice_add_adv_recipe - Add an advanced recipe that is not part of the default
5282 * @hw: pointer to hardware structure
5283 * @lkups: lookup elements or match criteria for the advanced recipe, one
5284 * structure per protocol header
5285 * @lkups_cnt: number of protocols
5286 * @rinfo: other information regarding the rule e.g. priority and action info
5287 * @rid: return the recipe ID of the recipe created
5288 */
5e24d598 5289static int
fd2a6b71
DN		 5290ice_add_adv_recipe(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups,
5291 u16 lkups_cnt, struct ice_adv_rule_info *rinfo, u16 *rid)
5292{
5293 DECLARE_BITMAP(fv_bitmap, ICE_MAX_NUM_PROFILES);
5294 DECLARE_BITMAP(profiles, ICE_MAX_NUM_PROFILES);
5295 struct ice_prot_lkup_ext *lkup_exts;
5296 struct ice_recp_grp_entry *r_entry;
5297 struct ice_sw_fv_list_entry *fvit;
5298 struct ice_recp_grp_entry *r_tmp;
5299 struct ice_sw_fv_list_entry *tmp;
fd2a6b71 5300 struct ice_sw_recipe *rm;
5518ac2a 5301 int status = 0;
fd2a6b71
DN		 5302 u8 i;
5303
5304 if (!lkups_cnt)
d54699e2 5305 return -EINVAL;
fd2a6b71
DN		 5306
5307 lkup_exts = kzalloc(sizeof(*lkup_exts), GFP_KERNEL);
5308 if (!lkup_exts)
d54699e2 5309 return -ENOMEM;
fd2a6b71
DN		 5310
5311 /* Determine the number of words to be matched and if it exceeds a
5312 * recipe's restrictions
5313 */
5314 for (i = 0; i < lkups_cnt; i++) {
5315 u16 count;
5316
5317 if (lkups[i].type >= ICE_PROTOCOL_LAST) {
d54699e2 5318 status = -EIO;
fd2a6b71
DN		 5319 goto err_free_lkup_exts;
5320 }
5321
5322 count = ice_fill_valid_words(&lkups[i], lkup_exts);
5323 if (!count) {
d54699e2 5324 status = -EIO;
fd2a6b71
DN		 5325 goto err_free_lkup_exts;
5326 }
5327 }
5328
5329 rm = kzalloc(sizeof(*rm), GFP_KERNEL);
5330 if (!rm) {
d54699e2 5331 status = -ENOMEM;
fd2a6b71
DN		 5332 goto err_free_lkup_exts;
5333 }
5334
5335 /* Get field vectors that contain fields extracted from all the protocol
5336 * headers being programmed.
5337 */
5338 INIT_LIST_HEAD(&rm->fv_list);
5339 INIT_LIST_HEAD(&rm->rg_list);
5340
5341 /* Get bitmap of field vectors (profiles) that are compatible with the
5342 * rule request; only these will be searched in the subsequent call to
e5dd661b 5343 * ice_get_sw_fv_list.
fd2a6b71
DN		 5344 */
5345 ice_get_compat_fv_bitmap(hw, rinfo, fv_bitmap);
5346
e5dd661b 5347 status = ice_get_sw_fv_list(hw, lkup_exts, fv_bitmap, &rm->fv_list);
fd2a6b71
DN		 5348 if (status)
5349 goto err_unroll;
5350
5351 /* Group match words into recipes using preferred recipe grouping
5352 * criteria.
5353 */
5354 status = ice_create_recipe_group(hw, rm, lkup_exts);
5355 if (status)
5356 goto err_unroll;
5357
5358 /* set the recipe priority if specified */
5359 rm->priority = (u8)rinfo->priority;
5360
bccd9bce
MS		 5361 rm->need_pass_l2 = rinfo->need_pass_l2;
5362 rm->allow_pass_l2 = rinfo->allow_pass_l2;
5363
fd2a6b71
DN		 5364 /* Find offsets from the field vector. Pick the first one for all the
5365 * recipes.
5366 */
5367 status = ice_fill_fv_word_index(hw, &rm->fv_list, &rm->rg_list);
5368 if (status)
5369 goto err_unroll;
5370
5371 /* get bitmap of all profiles the recipe will be associated with */
5372 bitmap_zero(profiles, ICE_MAX_NUM_PROFILES);
5373 list_for_each_entry(fvit, &rm->fv_list, list_entry) {
5374 ice_debug(hw, ICE_DBG_SW, "profile: %d\n", fvit->profile_id);
5375 set_bit((u16)fvit->profile_id, profiles);
5376 }
5377
5378 /* Look for a recipe which matches our requested fv / mask list */
bccd9bce 5379 *rid = ice_find_recp(hw, lkup_exts, rinfo);
fd2a6b71
DN		 5380 if (*rid < ICE_MAX_NUM_RECIPES)
5381 /* Success if found a recipe that match the existing criteria */
5382 goto err_unroll;
5383
de6acd1c 5384 rm->tun_type = rinfo->tun_type;
fd2a6b71 5385 /* Recipe we need does not exist, add a recipe */
8b032a55 5386 status = ice_add_sw_recipe(hw, rm, profiles);
fd2a6b71
DN		 5387 if (status)
5388 goto err_unroll;
5389
5390 /* Associate all the recipes created with all the profiles in the
5391 * common field vector.
5392 */
5393 list_for_each_entry(fvit, &rm->fv_list, list_entry) {
5394 DECLARE_BITMAP(r_bitmap, ICE_MAX_NUM_RECIPES);
817b1896 5395 u64 recp_assoc;
fd2a6b71
DN		 5396 u16 j;
5397
5398 status = ice_aq_get_recipe_to_profile(hw, fvit->profile_id,
817b1896 5399 &recp_assoc, NULL);
fd2a6b71
DN		 5400 if (status)
5401 goto err_unroll;
5402
817b1896 5403 bitmap_from_arr64(r_bitmap, &recp_assoc, ICE_MAX_NUM_RECIPES);
fd2a6b71
DN		 5404 bitmap_or(r_bitmap, r_bitmap, rm->r_bitmap,
5405 ICE_MAX_NUM_RECIPES);
5406 status = ice_acquire_change_lock(hw, ICE_RES_WRITE);
5407 if (status)
5408 goto err_unroll;
5409
817b1896 5410 bitmap_to_arr64(&recp_assoc, r_bitmap, ICE_MAX_NUM_RECIPES);
fd2a6b71 5411 status = ice_aq_map_recipe_to_profile(hw, fvit->profile_id,
817b1896 5412 recp_assoc, NULL);
fd2a6b71
DN		 5413 ice_release_change_lock(hw);
5414
5415 if (status)
5416 goto err_unroll;
5417
5418 /* Update profile to recipe bitmap array */
5419 bitmap_copy(profile_to_recipe[fvit->profile_id], r_bitmap,
5420 ICE_MAX_NUM_RECIPES);
5421
5422 /* Update recipe to profile bitmap array */
5423 for_each_set_bit(j, rm->r_bitmap, ICE_MAX_NUM_RECIPES)
5424 set_bit((u16)fvit->profile_id, recipe_to_profile[j]);
5425 }
5426
5427 *rid = rm->root_rid;
5428 memcpy(&hw->switch_info->recp_list[*rid].lkup_exts, lkup_exts,
5429 sizeof(*lkup_exts));
5430err_unroll:
5431 list_for_each_entry_safe(r_entry, r_tmp, &rm->rg_list, l_entry) {
5432 list_del(&r_entry->l_entry);
5433 devm_kfree(ice_hw_to_dev(hw), r_entry);
5434 }
5435
5436 list_for_each_entry_safe(fvit, tmp, &rm->fv_list, list_entry) {
5437 list_del(&fvit->list_entry);
5438 devm_kfree(ice_hw_to_dev(hw), fvit);
5439 }
5440
ad667d62 5441 devm_kfree(ice_hw_to_dev(hw), rm->root_buf);
fd2a6b71
DN		 5442 kfree(rm);
5443
5444err_free_lkup_exts:
5445 kfree(lkup_exts);
5446
5447 return status;
5448}
5449
26395726
MSM		 5450/**
5451 * ice_dummy_packet_add_vlan - insert VLAN header to dummy pkt
5452 *
5453 * @dummy_pkt: dummy packet profile pattern to which VLAN tag(s) will be added
5454 * @num_vlan: number of VLAN tags
5455 */
5456static struct ice_dummy_pkt_profile *
5457ice_dummy_packet_add_vlan(const struct ice_dummy_pkt_profile *dummy_pkt,
5458 u32 num_vlan)
5459{
5460 struct ice_dummy_pkt_profile *profile;
5461 struct ice_dummy_pkt_offsets *offsets;
5462 u32 buf_len, off, etype_off, i;
5463 u8 *pkt;
5464
5465 if (num_vlan < 1 || num_vlan > 2)
5466 return ERR_PTR(-EINVAL);
5467
5468 off = num_vlan * VLAN_HLEN;
5469
5470 buf_len = array_size(num_vlan, sizeof(ice_dummy_vlan_packet_offsets)) +
5471 dummy_pkt->offsets_len;
5472 offsets = kzalloc(buf_len, GFP_KERNEL);
5473 if (!offsets)
5474 return ERR_PTR(-ENOMEM);
5475
5476 offsets[0] = dummy_pkt->offsets[0];
5477 if (num_vlan == 2) {
5478 offsets[1] = ice_dummy_qinq_packet_offsets[0];
5479 offsets[2] = ice_dummy_qinq_packet_offsets[1];
5480 } else if (num_vlan == 1) {
5481 offsets[1] = ice_dummy_vlan_packet_offsets[0];
5482 }
5483
5484 for (i = 1; dummy_pkt->offsets[i].type != ICE_PROTOCOL_LAST; i++) {
5485 offsets[i + num_vlan].type = dummy_pkt->offsets[i].type;
5486 offsets[i + num_vlan].offset =
5487 dummy_pkt->offsets[i].offset + off;
5488 }
5489 offsets[i + num_vlan] = dummy_pkt->offsets[i];
5490
5491 etype_off = dummy_pkt->offsets[1].offset;
5492
5493 buf_len = array_size(num_vlan, sizeof(ice_dummy_vlan_packet)) +
5494 dummy_pkt->pkt_len;
5495 pkt = kzalloc(buf_len, GFP_KERNEL);
5496 if (!pkt) {
5497 kfree(offsets);
5498 return ERR_PTR(-ENOMEM);
5499 }
5500
5501 memcpy(pkt, dummy_pkt->pkt, etype_off);
5502 memcpy(pkt + etype_off,
5503 num_vlan == 2 ? ice_dummy_qinq_packet : ice_dummy_vlan_packet,
5504 off);
5505 memcpy(pkt + etype_off + off, dummy_pkt->pkt + etype_off,
5506 dummy_pkt->pkt_len - etype_off);
5507
5508 profile = kzalloc(sizeof(*profile), GFP_KERNEL);
5509 if (!profile) {
5510 kfree(offsets);
5511 kfree(pkt);
5512 return ERR_PTR(-ENOMEM);
5513 }
5514
5515 profile->offsets = offsets;
5516 profile->pkt = pkt;
5517 profile->pkt_len = buf_len;
5518 profile->match |= ICE_PKT_KMALLOC;
5519
5520 return profile;
5521}
5522
0f94570d
GK		 5523/**
5524 * ice_find_dummy_packet - find dummy packet
5525 *
5526 * @lkups: lookup elements or match criteria for the advanced recipe, one
5527 * structure per protocol header
5528 * @lkups_cnt: number of protocols
8b032a55 5529 * @tun_type: tunnel type
1b699f81
AL		 5530 *
5531 * Returns the &ice_dummy_pkt_profile corresponding to these lookup params.
0f94570d 5532 */
e33163a4 5533static const struct ice_dummy_pkt_profile *
0f94570d 5534ice_find_dummy_packet(struct ice_adv_lkup_elem *lkups, u16 lkups_cnt,
1b699f81 5535 enum ice_sw_tunnel_type tun_type)
0f94570d 5536{
e33163a4 5537 const struct ice_dummy_pkt_profile *ret = ice_dummy_pkt_profiles;
26395726 5538 u32 match = 0, vlan_count = 0;
0f94570d
GK		 5539 u16 i;
5540
e33163a4
AL		 5541 switch (tun_type) {
5542 case ICE_SW_TUN_GTPC:
5543 match |= ICE_PKT_TUN_GTPC;
5544 break;
5545 case ICE_SW_TUN_GTPU:
5546 match |= ICE_PKT_TUN_GTPU;
5547 break;
5548 case ICE_SW_TUN_NVGRE:
5549 match |= ICE_PKT_TUN_NVGRE;
5550 break;
5551 case ICE_SW_TUN_GENEVE:
5552 case ICE_SW_TUN_VXLAN:
5553 match |= ICE_PKT_TUN_UDP;
5554 break;
5555 default:
5556 break;
5557 }
5558
0f94570d
GK		 5559 for (i = 0; i < lkups_cnt; i++) {
5560 if (lkups[i].type == ICE_UDP_ILOS)
e33163a4 5561 match |= ICE_PKT_INNER_UDP;
0f94570d 5562 else if (lkups[i].type == ICE_TCP_IL)
e33163a4 5563 match |= ICE_PKT_INNER_TCP;
0f94570d 5564 else if (lkups[i].type == ICE_IPV6_OFOS)
e33163a4 5565 match |= ICE_PKT_OUTER_IPV6;
06bca7c2
MSM		 5566 else if (lkups[i].type == ICE_VLAN_OFOS ||
5567 lkups[i].type == ICE_VLAN_EX)
26395726 5568 vlan_count++;
06bca7c2 5569 else if (lkups[i].type == ICE_VLAN_IN)
26395726 5570 vlan_count++;
0f94570d
GK		 5571 else if (lkups[i].type == ICE_ETYPE_OL &&
5572 lkups[i].h_u.ethertype.ethtype_id ==
5573 cpu_to_be16(ICE_IPV6_ETHER_ID) &&
5574 lkups[i].m_u.ethertype.ethtype_id ==
34a89775 5575 cpu_to_be16(0xFFFF))
e33163a4 5576 match |= ICE_PKT_OUTER_IPV6;
34a89775
MSM		 5577 else if (lkups[i].type == ICE_ETYPE_IL &&
5578 lkups[i].h_u.ethertype.ethtype_id ==
5579 cpu_to_be16(ICE_IPV6_ETHER_ID) &&
5580 lkups[i].m_u.ethertype.ethtype_id ==
5581 cpu_to_be16(0xFFFF))
e33163a4 5582 match |= ICE_PKT_INNER_IPV6;
9a225f81 5583 else if (lkups[i].type == ICE_IPV6_IL)
e33163a4 5584 match |= ICE_PKT_INNER_IPV6;
9a225f81 5585 else if (lkups[i].type == ICE_GTP_NO_PAY)
e33163a4 5586 match |= ICE_PKT_GTP_NOPAY;
cd8efeee
MS		 5587 else if (lkups[i].type == ICE_PPPOE) {
5588 match |= ICE_PKT_PPPOE;
5589 if (lkups[i].h_u.pppoe_hdr.ppp_prot_id ==
5590 htons(PPP_IPV6))
5591 match |= ICE_PKT_OUTER_IPV6;
cd634549
MS		 5592 } else if (lkups[i].type == ICE_L2TPV3)
5593 match |= ICE_PKT_L2TPV3;
9a225f81
MS		 5594 }
5595
e33163a4
AL		 5596 while (ret->match && (match & ret->match) != ret->match)
5597 ret++;
f0a35040 5598
26395726
MSM		 5599 if (vlan_count != 0)
5600 ret = ice_dummy_packet_add_vlan(ret, vlan_count);
5601
e33163a4 5602 return ret;
0f94570d
GK		 5603}
5604
5605/**
5606 * ice_fill_adv_dummy_packet - fill a dummy packet with given match criteria
5607 *
5608 * @lkups: lookup elements or match criteria for the advanced recipe, one
5609 * structure per protocol header
5610 * @lkups_cnt: number of protocols
5611 * @s_rule: stores rule information from the match criteria
1b699f81 5612 * @profile: dummy packet profile (the template, its size and header offsets)
0f94570d 5613 */
5e24d598 5614static int
0f94570d 5615ice_fill_adv_dummy_packet(struct ice_adv_lkup_elem *lkups, u16 lkups_cnt,
6e1ff618 5616 struct ice_sw_rule_lkup_rx_tx *s_rule,
1b699f81 5617 const struct ice_dummy_pkt_profile *profile)
0f94570d
GK		 5618{
5619 u8 *pkt;
5620 u16 i;
5621
5622 /* Start with a packet with a pre-defined/dummy content. Then, fill
5623 * in the header values to be looked up or matched.
5624 */
6e1ff618 5625 pkt = s_rule->hdr_data;
0f94570d 5626
1b699f81 5627 memcpy(pkt, profile->pkt, profile->pkt_len);
0f94570d
GK		 5628
5629 for (i = 0; i < lkups_cnt; i++) {
1b699f81 5630 const struct ice_dummy_pkt_offsets *offsets = profile->offsets;
0f94570d
GK		 5631 enum ice_protocol_type type;
5632 u16 offset = 0, len = 0, j;
5633 bool found = false;
5634
5635 /* find the start of this layer; it should be found since this
5636 * was already checked when search for the dummy packet
5637 */
5638 type = lkups[i].type;
03592a14
MS		 5639 /* metadata isn't present in the packet */
5640 if (type == ICE_HW_METADATA)
5641 continue;
5642
0f94570d
GK		 5643 for (j = 0; offsets[j].type != ICE_PROTOCOL_LAST; j++) {
5644 if (type == offsets[j].type) {
5645 offset = offsets[j].offset;
5646 found = true;
5647 break;
5648 }
5649 }
5650 /* this should never happen in a correct calling sequence */
5651 if (!found)
d54699e2 5652 return -EINVAL;
0f94570d
GK		 5653
5654 switch (lkups[i].type) {
5655 case ICE_MAC_OFOS:
5656 case ICE_MAC_IL:
5657 len = sizeof(struct ice_ether_hdr);
5658 break;
5659 case ICE_ETYPE_OL:
34a89775 5660 case ICE_ETYPE_IL:
0f94570d
GK		 5661 len = sizeof(struct ice_ethtype_hdr);
5662 break;
5663 case ICE_VLAN_OFOS:
06bca7c2
MSM		 5664 case ICE_VLAN_EX:
5665 case ICE_VLAN_IN:
0f94570d
GK		 5666 len = sizeof(struct ice_vlan_hdr);
5667 break;
5668 case ICE_IPV4_OFOS:
5669 case ICE_IPV4_IL:
5670 len = sizeof(struct ice_ipv4_hdr);
5671 break;
5672 case ICE_IPV6_OFOS:
5673 case ICE_IPV6_IL:
5674 len = sizeof(struct ice_ipv6_hdr);
5675 break;
5676 case ICE_TCP_IL:
5677 case ICE_UDP_OF:
5678 case ICE_UDP_ILOS:
5679 len = sizeof(struct ice_l4_hdr);
5680 break;
5681 case ICE_SCTP_IL:
5682 len = sizeof(struct ice_sctp_hdr);
5683 break;
f0a35040
MS		 5684 case ICE_NVGRE:
5685 len = sizeof(struct ice_nvgre_hdr);
5686 break;
8b032a55
MS		 5687 case ICE_VXLAN:
5688 case ICE_GENEVE:
5689 len = sizeof(struct ice_udp_tnl_hdr);
5690 break;
9a225f81
MS		 5691 case ICE_GTP_NO_PAY:
5692 case ICE_GTP:
5693 len = sizeof(struct ice_udp_gtp_hdr);
5694 break;
cd8efeee
MS		 5695 case ICE_PPPOE:
5696 len = sizeof(struct ice_pppoe_hdr);
5697 break;
cd634549
MS		 5698 case ICE_L2TPV3:
5699 len = sizeof(struct ice_l2tpv3_sess_hdr);
5700 break;
0f94570d 5701 default:
d54699e2 5702 return -EINVAL;
0f94570d
GK		 5703 }
5704
5705 /* the length should be a word multiple */
5706 if (len % ICE_BYTES_PER_WORD)
d54699e2 5707 return -EIO;
0f94570d
GK		 5708
5709 /* We have the offset to the header start, the length, the
5710 * caller's header values and mask. Use this information to
5711 * copy the data into the dummy packet appropriately based on
5712 * the mask. Note that we need to only write the bits as
5713 * indicated by the mask to make sure we don't improperly write
5714 * over any significant packet data.
5715 */
27ffa273
AL		 5716 for (j = 0; j < len / sizeof(u16); j++) {
5717 u16 *ptr = (u16 *)(pkt + offset);
5718 u16 mask = lkups[i].m_raw[j];
5719
5720 if (!mask)
5721 continue;
5722
5723 ptr[j] = (ptr[j] & ~mask) | (lkups[i].h_raw[j] & mask);
5724 }
0f94570d
GK		 5725 }
5726
6e1ff618 5727 s_rule->hdr_len = cpu_to_le16(profile->pkt_len);
0f94570d
GK		 5728
5729 return 0;
5730}
5731
8b032a55
MS		 5732/**
5733 * ice_fill_adv_packet_tun - fill dummy packet with udp tunnel port
5734 * @hw: pointer to the hardware structure
5735 * @tun_type: tunnel type
5736 * @pkt: dummy packet to fill in
5737 * @offsets: offset info for the dummy packet
5738 */
d54699e2 5739static int
8b032a55
MS		 5740ice_fill_adv_packet_tun(struct ice_hw *hw, enum ice_sw_tunnel_type tun_type,
5741 u8 *pkt, const struct ice_dummy_pkt_offsets *offsets)
5742{
5743 u16 open_port, i;
5744
5745 switch (tun_type) {
5746 case ICE_SW_TUN_VXLAN:
de6acd1c 5747 if (!ice_get_open_tunnel_port(hw, &open_port, TNL_VXLAN))
d54699e2 5748 return -EIO;
de6acd1c 5749 break;
8b032a55 5750 case ICE_SW_TUN_GENEVE:
de6acd1c 5751 if (!ice_get_open_tunnel_port(hw, &open_port, TNL_GENEVE))
d54699e2 5752 return -EIO;
8b032a55 5753 break;
8b032a55
MS		 5754 default:
5755 /* Nothing needs to be done for this tunnel type */
5756 return 0;
5757 }
5758
5759 /* Find the outer UDP protocol header and insert the port number */
5760 for (i = 0; offsets[i].type != ICE_PROTOCOL_LAST; i++) {
5761 if (offsets[i].type == ICE_UDP_OF) {
5762 struct ice_l4_hdr *hdr;
5763 u16 offset;
5764
5765 offset = offsets[i].offset;
5766 hdr = (struct ice_l4_hdr *)&pkt[offset];
5767 hdr->dst_port = cpu_to_be16(open_port);
5768
5769 return 0;
5770 }
5771 }
5772
d54699e2 5773 return -EIO;
8b032a55
MS		 5774}
5775
ea71b967
MSM		 5776/**
5777 * ice_fill_adv_packet_vlan - fill dummy packet with VLAN tag type
03592a14 5778 * @hw: pointer to hw structure
ea71b967
MSM		 5779 * @vlan_type: VLAN tag type
5780 * @pkt: dummy packet to fill in
5781 * @offsets: offset info for the dummy packet
5782 */
5783static int
03592a14 5784ice_fill_adv_packet_vlan(struct ice_hw *hw, u16 vlan_type, u8 *pkt,
ea71b967
MSM		 5785 const struct ice_dummy_pkt_offsets *offsets)
5786{
5787 u16 i;
5788
03592a14
MS		 5789 /* Check if there is something to do */
5790 if (!vlan_type || !ice_is_dvm_ena(hw))
5791 return 0;
5792
ea71b967
MSM		 5793 /* Find VLAN header and insert VLAN TPID */
5794 for (i = 0; offsets[i].type != ICE_PROTOCOL_LAST; i++) {
5795 if (offsets[i].type == ICE_VLAN_OFOS ||
5796 offsets[i].type == ICE_VLAN_EX) {
5797 struct ice_vlan_hdr *hdr;
5798 u16 offset;
5799
5800 offset = offsets[i].offset;
5801 hdr = (struct ice_vlan_hdr *)&pkt[offset];
5802 hdr->type = cpu_to_be16(vlan_type);
5803
5804 return 0;
5805 }
5806 }
5807
5808 return -EIO;
5809}
5810
03592a14
MS		 5811static bool ice_rules_equal(const struct ice_adv_rule_info *first,
5812 const struct ice_adv_rule_info *second)
5813{
5814 return first->sw_act.flag == second->sw_act.flag &&
5815 first->tun_type == second->tun_type &&
5816 first->vlan_type == second->vlan_type &&
bccd9bce
MS		 5817 first->src_vsi == second->src_vsi &&
5818 first->need_pass_l2 == second->need_pass_l2 &&
5819 first->allow_pass_l2 == second->allow_pass_l2;
03592a14
MS		 5820}
5821
0f94570d
GK		 5822/**
5823 * ice_find_adv_rule_entry - Search a rule entry
5824 * @hw: pointer to the hardware structure
5825 * @lkups: lookup elements or match criteria for the advanced recipe, one
5826 * structure per protocol header
5827 * @lkups_cnt: number of protocols
5828 * @recp_id: recipe ID for which we are finding the rule
5829 * @rinfo: other information regarding the rule e.g. priority and action info
5830 *
5831 * Helper function to search for a given advance rule entry
5832 * Returns pointer to entry storing the rule if found
5833 */
5834static struct ice_adv_fltr_mgmt_list_entry *
5835ice_find_adv_rule_entry(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups,
5836 u16 lkups_cnt, u16 recp_id,
5837 struct ice_adv_rule_info *rinfo)
5838{
5839 struct ice_adv_fltr_mgmt_list_entry *list_itr;
5840 struct ice_switch_info *sw = hw->switch_info;
5841 int i;
5842
5843 list_for_each_entry(list_itr, &sw->recp_list[recp_id].filt_rules,
5844 list_entry) {
5845 bool lkups_matched = true;
5846
5847 if (lkups_cnt != list_itr->lkups_cnt)
5848 continue;
5849 for (i = 0; i < list_itr->lkups_cnt; i++)
5850 if (memcmp(&list_itr->lkups[i], &lkups[i],
5851 sizeof(*lkups))) {
5852 lkups_matched = false;
5853 break;
5854 }
03592a14 5855 if (ice_rules_equal(rinfo, &list_itr->rule_info) &&
0f94570d
GK		 5856 lkups_matched)
5857 return list_itr;
5858 }
5859 return NULL;
5860}
5861
5862/**
5863 * ice_adv_add_update_vsi_list
5864 * @hw: pointer to the hardware structure
5865 * @m_entry: pointer to current adv filter management list entry
5866 * @cur_fltr: filter information from the book keeping entry
5867 * @new_fltr: filter information with the new VSI to be added
5868 *
5869 * Call AQ command to add or update previously created VSI list with new VSI.
5870 *
5871 * Helper function to do book keeping associated with adding filter information
5872 * The algorithm to do the booking keeping is described below :
5873 * When a VSI needs to subscribe to a given advanced filter
5874 * if only one VSI has been added till now
5875 * Allocate a new VSI list and add two VSIs
5876 * to this list using switch rule command
5877 * Update the previously created switch rule with the
5878 * newly created VSI list ID
5879 * if a VSI list was previously created
5880 * Add the new VSI to the previously created VSI list set
5881 * using the update switch rule command
5882 */
5e24d598 5883static int
0f94570d
GK		 5884ice_adv_add_update_vsi_list(struct ice_hw *hw,
5885 struct ice_adv_fltr_mgmt_list_entry *m_entry,
5886 struct ice_adv_rule_info *cur_fltr,
5887 struct ice_adv_rule_info *new_fltr)
5888{
0f94570d 5889 u16 vsi_list_id = 0;
5518ac2a 5890 int status;
0f94570d
GK		 5891
5892 if (cur_fltr->sw_act.fltr_act == ICE_FWD_TO_Q ||
5893 cur_fltr->sw_act.fltr_act == ICE_FWD_TO_QGRP ||
5894 cur_fltr->sw_act.fltr_act == ICE_DROP_PACKET)
d54699e2 5895 return -EOPNOTSUPP;
0f94570d
GK		 5896
5897 if ((new_fltr->sw_act.fltr_act == ICE_FWD_TO_Q ||
5898 new_fltr->sw_act.fltr_act == ICE_FWD_TO_QGRP) &&
5899 (cur_fltr->sw_act.fltr_act == ICE_FWD_TO_VSI ||
5900 cur_fltr->sw_act.fltr_act == ICE_FWD_TO_VSI_LIST))
d54699e2 5901 return -EOPNOTSUPP;
0f94570d
GK		 5902
5903 if (m_entry->vsi_count < 2 && !m_entry->vsi_list_info) {
5904 /* Only one entry existed in the mapping and it was not already
5905 * a part of a VSI list. So, create a VSI list with the old and
5906 * new VSIs.
5907 */
5908 struct ice_fltr_info tmp_fltr;
5909 u16 vsi_handle_arr[2];
5910
5911 /* A rule already exists with the new VSI being added */
5912 if (cur_fltr->sw_act.fwd_id.hw_vsi_id ==
5913 new_fltr->sw_act.fwd_id.hw_vsi_id)
d54699e2 5914 return -EEXIST;
0f94570d
GK		 5915
5916 vsi_handle_arr[0] = cur_fltr->sw_act.vsi_handle;
5917 vsi_handle_arr[1] = new_fltr->sw_act.vsi_handle;
5918 status = ice_create_vsi_list_rule(hw, &vsi_handle_arr[0], 2,
5919 &vsi_list_id,
5920 ICE_SW_LKUP_LAST);
5921 if (status)
5922 return status;
5923
5924 memset(&tmp_fltr, 0, sizeof(tmp_fltr));
5925 tmp_fltr.flag = m_entry->rule_info.sw_act.flag;
5926 tmp_fltr.fltr_rule_id = cur_fltr->fltr_rule_id;
5927 tmp_fltr.fltr_act = ICE_FWD_TO_VSI_LIST;
5928 tmp_fltr.fwd_id.vsi_list_id = vsi_list_id;
5929 tmp_fltr.lkup_type = ICE_SW_LKUP_LAST;
5930
5931 /* Update the previous switch rule of "forward to VSI" to
5932 * "fwd to VSI list"
5933 */
5934 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr);
5935 if (status)
5936 return status;
5937
5938 cur_fltr->sw_act.fwd_id.vsi_list_id = vsi_list_id;
5939 cur_fltr->sw_act.fltr_act = ICE_FWD_TO_VSI_LIST;
5940 m_entry->vsi_list_info =
5941 ice_create_vsi_list_map(hw, &vsi_handle_arr[0], 2,
5942 vsi_list_id);
5943 } else {
5944 u16 vsi_handle = new_fltr->sw_act.vsi_handle;
5945
5946 if (!m_entry->vsi_list_info)
d54699e2 5947 return -EIO;
0f94570d
GK		 5948
5949 /* A rule already exists with the new VSI being added */
5950 if (test_bit(vsi_handle, m_entry->vsi_list_info->vsi_map))
5951 return 0;
5952
5953 /* Update the previously created VSI list set with
5954 * the new VSI ID passed in
5955 */
5956 vsi_list_id = cur_fltr->sw_act.fwd_id.vsi_list_id;
5957
5958 status = ice_update_vsi_list_rule(hw, &vsi_handle, 1,
5959 vsi_list_id, false,
5960 ice_aqc_opc_update_sw_rules,
5961 ICE_SW_LKUP_LAST);
5962 /* update VSI list mapping info with new VSI ID */
5963 if (!status)
5964 set_bit(vsi_handle, m_entry->vsi_list_info->vsi_map);
5965 }
5966 if (!status)
5967 m_entry->vsi_count++;
5968 return status;
5969}
5970
03592a14
MS		 5971void ice_rule_add_tunnel_metadata(struct ice_adv_lkup_elem *lkup)
5972{
5973 lkup->type = ICE_HW_METADATA;
41ad9f8e 5974 lkup->m_u.metadata.flags[ICE_PKT_FLAGS_MDID21] |=
03592a14
MS		 5975 cpu_to_be16(ICE_PKT_TUNNEL_MASK);
5976}
5977
0960a27b
MS		 5978void ice_rule_add_direction_metadata(struct ice_adv_lkup_elem *lkup)
5979{
5980 lkup->type = ICE_HW_METADATA;
41ad9f8e 5981 lkup->m_u.metadata.flags[ICE_PKT_FLAGS_MDID20] |=
0960a27b
MS		 5982 cpu_to_be16(ICE_PKT_FROM_NETWORK);
5983}
5984
03592a14
MS		 5985void ice_rule_add_vlan_metadata(struct ice_adv_lkup_elem *lkup)
5986{
5987 lkup->type = ICE_HW_METADATA;
41ad9f8e 5988 lkup->m_u.metadata.flags[ICE_PKT_FLAGS_MDID20] |=
03592a14
MS		 5989 cpu_to_be16(ICE_PKT_VLAN_MASK);
5990}
5991
0ef4479d
MS		 5992void ice_rule_add_src_vsi_metadata(struct ice_adv_lkup_elem *lkup)
5993{
5994 lkup->type = ICE_HW_METADATA;
5995 lkup->m_u.metadata.source_vsi = cpu_to_be16(ICE_MDID_SOURCE_VSI_MASK);
5996}
5997
0f94570d
GK		 5998/**
5999 * ice_add_adv_rule - helper function to create an advanced switch rule
6000 * @hw: pointer to the hardware structure
6001 * @lkups: information on the words that needs to be looked up. All words
6002 * together makes one recipe
6003 * @lkups_cnt: num of entries in the lkups array
6004 * @rinfo: other information related to the rule that needs to be programmed
6005 * @added_entry: this will return recipe_id, rule_id and vsi_handle. should be
6006 * ignored is case of error.
6007 *
6008 * This function can program only 1 rule at a time. The lkups is used to
6009 * describe the all the words that forms the "lookup" portion of the recipe.
6010 * These words can span multiple protocols. Callers to this function need to
6011 * pass in a list of protocol headers with lookup information along and mask
6012 * that determines which words are valid from the given protocol header.
6013 * rinfo describes other information related to this rule such as forwarding
6014 * IDs, priority of this rule, etc.
6015 */
5e24d598 6016int
0f94570d
GK		 6017ice_add_adv_rule(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups,
6018 u16 lkups_cnt, struct ice_adv_rule_info *rinfo,
6019 struct ice_rule_query_data *added_entry)
6020{
6021 struct ice_adv_fltr_mgmt_list_entry *m_entry, *adv_fltr = NULL;
6e1ff618 6022 struct ice_sw_rule_lkup_rx_tx *s_rule = NULL;
e33163a4 6023 const struct ice_dummy_pkt_profile *profile;
1b699f81 6024 u16 rid = 0, i, rule_buf_sz, vsi_handle;
0f94570d
GK		 6025 struct list_head *rule_head;
6026 struct ice_switch_info *sw;
0f94570d
GK		 6027 u16 word_cnt;
6028 u32 act = 0;
5518ac2a 6029 int status;
0f94570d
GK		 6030 u8 q_rgn;
6031
6032 /* Initialize profile to result index bitmap */
6033 if (!hw->switch_info->prof_res_bm_init) {
6034 hw->switch_info->prof_res_bm_init = 1;
6035 ice_init_prof_result_bm(hw);
6036 }
6037
6038 if (!lkups_cnt)
d54699e2 6039 return -EINVAL;
0f94570d
GK		 6040
6041 /* get # of words we need to match */
6042 word_cnt = 0;
6043 for (i = 0; i < lkups_cnt; i++) {
135a161a 6044 u16 j;
0f94570d 6045
135a161a
AL		 6046 for (j = 0; j < ARRAY_SIZE(lkups->m_raw); j++)
6047 if (lkups[i].m_raw[j])
0f94570d
GK		 6048 word_cnt++;
6049 }
6050
bd1ffe8e 6051 if (!word_cnt)
d54699e2 6052 return -EINVAL;
0f94570d 6053
bd1ffe8e
WD		 6054 if (word_cnt > ICE_MAX_CHAIN_WORDS)
6055 return -ENOSPC;
6056
1b699f81
AL		 6057 /* locate a dummy packet */
6058 profile = ice_find_dummy_packet(lkups, lkups_cnt, rinfo->tun_type);
26395726
MSM		 6059 if (IS_ERR(profile))
6060 return PTR_ERR(profile);
0f94570d
GK		 6061
6062 if (!(rinfo->sw_act.fltr_act == ICE_FWD_TO_VSI ||
6063 rinfo->sw_act.fltr_act == ICE_FWD_TO_Q ||
6064 rinfo->sw_act.fltr_act == ICE_FWD_TO_QGRP ||
bccd9bce 6065 rinfo->sw_act.fltr_act == ICE_DROP_PACKET ||
aa4967d8 6066 rinfo->sw_act.fltr_act == ICE_MIRROR_PACKET ||
bccd9bce 6067 rinfo->sw_act.fltr_act == ICE_NOP)) {
26395726
MSM		 6068 status = -EIO;
6069 goto free_pkt_profile;
6070 }
0f94570d
GK		 6071
6072 vsi_handle = rinfo->sw_act.vsi_handle;
26395726
MSM		 6073 if (!ice_is_vsi_valid(hw, vsi_handle)) {
6074 status = -EINVAL;
6075 goto free_pkt_profile;
6076 }
0f94570d 6077
bccd9bce 6078 if (rinfo->sw_act.fltr_act == ICE_FWD_TO_VSI ||
aa4967d8
AS		 6079 rinfo->sw_act.fltr_act == ICE_MIRROR_PACKET ||
6080 rinfo->sw_act.fltr_act == ICE_NOP) {
0f94570d
GK		 6081 rinfo->sw_act.fwd_id.hw_vsi_id =
6082 ice_get_hw_vsi_num(hw, vsi_handle);
aa4967d8 6083 }
03592a14
MS		 6084
6085 if (rinfo->src_vsi)
6086 rinfo->sw_act.src = ice_get_hw_vsi_num(hw, rinfo->src_vsi);
6087 else
6088 rinfo->sw_act.src = ice_get_hw_vsi_num(hw, vsi_handle);
0f94570d
GK		 6089
6090 status = ice_add_adv_recipe(hw, lkups, lkups_cnt, rinfo, &rid);
6091 if (status)
26395726 6092 goto free_pkt_profile;
0f94570d
GK		 6093 m_entry = ice_find_adv_rule_entry(hw, lkups, lkups_cnt, rid, rinfo);
6094 if (m_entry) {
6095 /* we have to add VSI to VSI_LIST and increment vsi_count.
6096 * Also Update VSI list so that we can change forwarding rule
6097 * if the rule already exists, we will check if it exists with
6098 * same vsi_id, if not then add it to the VSI list if it already
6099 * exists if not then create a VSI list and add the existing VSI
6100 * ID and the new VSI ID to the list
6101 * We will add that VSI to the list
6102 */
6103 status = ice_adv_add_update_vsi_list(hw, m_entry,
6104 &m_entry->rule_info,
6105 rinfo);
6106 if (added_entry) {
6107 added_entry->rid = rid;
6108 added_entry->rule_id = m_entry->rule_info.fltr_rule_id;
6109 added_entry->vsi_handle = rinfo->sw_act.vsi_handle;
6110 }
26395726 6111 goto free_pkt_profile;
0f94570d 6112 }
6e1ff618 6113 rule_buf_sz = ICE_SW_RULE_RX_TX_HDR_SIZE(s_rule, profile->pkt_len);
0f94570d 6114 s_rule = kzalloc(rule_buf_sz, GFP_KERNEL);
26395726
MSM		 6115 if (!s_rule) {
6116 status = -ENOMEM;
6117 goto free_pkt_profile;
6118 }
aa4967d8
AS		 6119
6120 if (rinfo->sw_act.fltr_act != ICE_MIRROR_PACKET) {
6121 if (!rinfo->flags_info.act_valid) {
6122 act |= ICE_SINGLE_ACT_LAN_ENABLE;
6123 act |= ICE_SINGLE_ACT_LB_ENABLE;
6124 } else {
6125 act |= rinfo->flags_info.act & (ICE_SINGLE_ACT_LAN_ENABLE |
6126 ICE_SINGLE_ACT_LB_ENABLE);
6127 }
73b483b7
WD		 6128 }
6129
0f94570d
GK		 6130 switch (rinfo->sw_act.fltr_act) {
6131 case ICE_FWD_TO_VSI:
23eca34e
JB		 6132 act |= FIELD_PREP(ICE_SINGLE_ACT_VSI_ID_M,
6133 rinfo->sw_act.fwd_id.hw_vsi_id);
0f94570d
GK		 6134 act |= ICE_SINGLE_ACT_VSI_FORWARDING | ICE_SINGLE_ACT_VALID_BIT;
6135 break;
6136 case ICE_FWD_TO_Q:
6137 act |= ICE_SINGLE_ACT_TO_Q;
23eca34e
JB		 6138 act |= FIELD_PREP(ICE_SINGLE_ACT_Q_INDEX_M,
6139 rinfo->sw_act.fwd_id.q_id);
0f94570d
GK		 6140 break;
6141 case ICE_FWD_TO_QGRP:
6142 q_rgn = rinfo->sw_act.qgrp_size > 0 ?
6143 (u8)ilog2(rinfo->sw_act.qgrp_size) : 0;
6144 act |= ICE_SINGLE_ACT_TO_Q;
23eca34e
JB		 6145 act |= FIELD_PREP(ICE_SINGLE_ACT_Q_INDEX_M,
6146 rinfo->sw_act.fwd_id.q_id);
6147 act |= FIELD_PREP(ICE_SINGLE_ACT_Q_REGION_M, q_rgn);
0f94570d
GK		 6148 break;
6149 case ICE_DROP_PACKET:
6150 act |= ICE_SINGLE_ACT_VSI_FORWARDING | ICE_SINGLE_ACT_DROP |
6151 ICE_SINGLE_ACT_VALID_BIT;
6152 break;
aa4967d8
AS		 6153 case ICE_MIRROR_PACKET:
6154 act |= ICE_SINGLE_ACT_OTHER_ACTS;
6155 act |= FIELD_PREP(ICE_SINGLE_ACT_VSI_ID_M,
6156 rinfo->sw_act.fwd_id.hw_vsi_id);
6157 break;
bccd9bce
MS		 6158 case ICE_NOP:
6159 act |= FIELD_PREP(ICE_SINGLE_ACT_VSI_ID_M,
6160 rinfo->sw_act.fwd_id.hw_vsi_id);
6161 act &= ~ICE_SINGLE_ACT_VALID_BIT;
6162 break;
0f94570d 6163 default:
d54699e2 6164 status = -EIO;
0f94570d
GK		 6165 goto err_ice_add_adv_rule;
6166 }
6167
40fd7492
MS		 6168 /* If there is no matching criteria for direction there
6169 * is only one difference between Rx and Tx:
6170 * - get switch id base on VSI number from source field (Tx)
6171 * - get switch id base on port number (Rx)
0f94570d 6172 *
40fd7492
MS		 6173 * If matching on direction metadata is chose rule direction is
6174 * extracted from type value set here.
0f94570d 6175 */
40fd7492 6176 if (rinfo->sw_act.flag & ICE_FLTR_TX) {
6e1ff618
AL		 6177 s_rule->hdr.type = cpu_to_le16(ICE_AQC_SW_RULES_T_LKUP_TX);
6178 s_rule->src = cpu_to_le16(rinfo->sw_act.src);
40fd7492
MS		 6179 } else {
6180 s_rule->hdr.type = cpu_to_le16(ICE_AQC_SW_RULES_T_LKUP_RX);
6181 s_rule->src = cpu_to_le16(hw->port_info->lport);
0f94570d
GK		 6182 }
6183
6e1ff618
AL		 6184 s_rule->recipe_id = cpu_to_le16(rid);
6185 s_rule->act = cpu_to_le32(act);
0f94570d 6186
e33163a4 6187 status = ice_fill_adv_dummy_packet(lkups, lkups_cnt, s_rule, profile);
0f94570d
GK		 6188 if (status)
6189 goto err_ice_add_adv_rule;
6190
03592a14
MS		 6191 status = ice_fill_adv_packet_tun(hw, rinfo->tun_type, s_rule->hdr_data,
6192 profile->offsets);
6193 if (status)
6194 goto err_ice_add_adv_rule;
8b032a55 6195
03592a14
MS		 6196 status = ice_fill_adv_packet_vlan(hw, rinfo->vlan_type,
6197 s_rule->hdr_data,
6198 profile->offsets);
6199 if (status)
6200 goto err_ice_add_adv_rule;
ea71b967 6201
0f94570d
GK		 6202 status = ice_aq_sw_rules(hw, (struct ice_aqc_sw_rules *)s_rule,
6203 rule_buf_sz, 1, ice_aqc_opc_add_sw_rules,
6204 NULL);
6205 if (status)
6206 goto err_ice_add_adv_rule;
6207 adv_fltr = devm_kzalloc(ice_hw_to_dev(hw),
6208 sizeof(struct ice_adv_fltr_mgmt_list_entry),
6209 GFP_KERNEL);
6210 if (!adv_fltr) {
d54699e2 6211 status = -ENOMEM;
0f94570d
GK		 6212 goto err_ice_add_adv_rule;
6213 }
6214
6215 adv_fltr->lkups = devm_kmemdup(ice_hw_to_dev(hw), lkups,
6216 lkups_cnt * sizeof(*lkups), GFP_KERNEL);
6217 if (!adv_fltr->lkups) {
d54699e2 6218 status = -ENOMEM;
0f94570d
GK		 6219 goto err_ice_add_adv_rule;
6220 }
6221
6222 adv_fltr->lkups_cnt = lkups_cnt;
6223 adv_fltr->rule_info = *rinfo;
6e1ff618 6224 adv_fltr->rule_info.fltr_rule_id = le16_to_cpu(s_rule->index);
0f94570d
GK		 6225 sw = hw->switch_info;
6226 sw->recp_list[rid].adv_rule = true;
6227 rule_head = &sw->recp_list[rid].filt_rules;
6228
6229 if (rinfo->sw_act.fltr_act == ICE_FWD_TO_VSI)
6230 adv_fltr->vsi_count = 1;
6231
6232 /* Add rule entry to book keeping list */
6233 list_add(&adv_fltr->list_entry, rule_head);
6234 if (added_entry) {
6235 added_entry->rid = rid;
6236 added_entry->rule_id = adv_fltr->rule_info.fltr_rule_id;
6237 added_entry->vsi_handle = rinfo->sw_act.vsi_handle;
6238 }
6239err_ice_add_adv_rule:
6240 if (status && adv_fltr) {
6241 devm_kfree(ice_hw_to_dev(hw), adv_fltr->lkups);
6242 devm_kfree(ice_hw_to_dev(hw), adv_fltr);
6243 }
6244
6245 kfree(s_rule);
6246
26395726
MSM		 6247free_pkt_profile:
6248 if (profile->match & ICE_PKT_KMALLOC) {
6249 kfree(profile->offsets);
6250 kfree(profile->pkt);
6251 kfree(profile);
6252 }
6253
0f94570d
GK		 6254 return status;
6255}
6256
0f9d5027 6257/**
334cb062 6258 * ice_replay_vsi_fltr - Replay filters for requested VSI
0f9d5027 6259 * @hw: pointer to the hardware structure
334cb062 6260 * @vsi_handle: driver VSI handle
f9867df6 6261 * @recp_id: Recipe ID for which rules need to be replayed
334cb062
AV		 6262 * @list_head: list for which filters need to be replayed
6263 *
6264 * Replays the filter of recipe recp_id for a VSI represented via vsi_handle.
6265 * It is required to pass valid VSI handle.
0f9d5027 6266 */
5e24d598 6267static int
334cb062
AV		 6268ice_replay_vsi_fltr(struct ice_hw *hw, u16 vsi_handle, u8 recp_id,
6269 struct list_head *list_head)
0f9d5027
AV		 6270{
6271 struct ice_fltr_mgmt_list_entry *itr;
5e24d598 6272 int status = 0;
334cb062 6273 u16 hw_vsi_id;
0f9d5027
AV		 6274
6275 if (list_empty(list_head))
6276 return status;
334cb062 6277 hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
0f9d5027 6278
334cb062 6279 list_for_each_entry(itr, list_head, list_entry) {
0f9d5027
AV		 6280 struct ice_fltr_list_entry f_entry;
6281
6282 f_entry.fltr_info = itr->fltr_info;
334cb062
AV		 6283 if (itr->vsi_count < 2 && recp_id != ICE_SW_LKUP_VLAN &&
6284 itr->fltr_info.vsi_handle == vsi_handle) {
f9867df6 6285 /* update the src in case it is VSI num */
334cb062
AV		 6286 if (f_entry.fltr_info.src_id == ICE_SRC_ID_VSI)
6287 f_entry.fltr_info.src = hw_vsi_id;
0f9d5027
AV		 6288 status = ice_add_rule_internal(hw, recp_id, &f_entry);
6289 if (status)
6290 goto end;
6291 continue;
6292 }
072f0c3d
DE		 6293 if (!itr->vsi_list_info ||
6294 !test_bit(vsi_handle, itr->vsi_list_info->vsi_map))
334cb062
AV		 6295 continue;
6296 /* Clearing it so that the logic can add it back */
6297 clear_bit(vsi_handle, itr->vsi_list_info->vsi_map);
6298 f_entry.fltr_info.vsi_handle = vsi_handle;
6299 f_entry.fltr_info.fltr_act = ICE_FWD_TO_VSI;
f9867df6 6300 /* update the src in case it is VSI num */
334cb062
AV		 6301 if (f_entry.fltr_info.src_id == ICE_SRC_ID_VSI)
6302 f_entry.fltr_info.src = hw_vsi_id;
6303 if (recp_id == ICE_SW_LKUP_VLAN)
6304 status = ice_add_vlan_internal(hw, &f_entry);
6305 else
6306 status = ice_add_rule_internal(hw, recp_id, &f_entry);
6307 if (status)
6308 goto end;
0f9d5027
AV		 6309 }
6310end:
0f9d5027
AV		 6311 return status;
6312}
6313
8bb98f33
SS		 6314/**
6315 * ice_adv_rem_update_vsi_list
6316 * @hw: pointer to the hardware structure
6317 * @vsi_handle: VSI handle of the VSI to remove
6318 * @fm_list: filter management entry for which the VSI list management needs to
6319 * be done
6320 */
5e24d598 6321static int
8bb98f33
SS		 6322ice_adv_rem_update_vsi_list(struct ice_hw *hw, u16 vsi_handle,
6323 struct ice_adv_fltr_mgmt_list_entry *fm_list)
6324{
6325 struct ice_vsi_list_map_info *vsi_list_info;
6326 enum ice_sw_lkup_type lkup_type;
8bb98f33 6327 u16 vsi_list_id;
5518ac2a 6328 int status;
8bb98f33
SS		 6329
6330 if (fm_list->rule_info.sw_act.fltr_act != ICE_FWD_TO_VSI_LIST ||
6331 fm_list->vsi_count == 0)
d54699e2 6332 return -EINVAL;
8bb98f33
SS		 6333
6334 /* A rule with the VSI being removed does not exist */
6335 if (!test_bit(vsi_handle, fm_list->vsi_list_info->vsi_map))
d54699e2 6336 return -ENOENT;
8bb98f33
SS		 6337
6338 lkup_type = ICE_SW_LKUP_LAST;
6339 vsi_list_id = fm_list->rule_info.sw_act.fwd_id.vsi_list_id;
6340 status = ice_update_vsi_list_rule(hw, &vsi_handle, 1, vsi_list_id, true,
6341 ice_aqc_opc_update_sw_rules,
6342 lkup_type);
6343 if (status)
6344 return status;
6345
6346 fm_list->vsi_count--;
6347 clear_bit(vsi_handle, fm_list->vsi_list_info->vsi_map);
6348 vsi_list_info = fm_list->vsi_list_info;
6349 if (fm_list->vsi_count == 1) {
6350 struct ice_fltr_info tmp_fltr;
6351 u16 rem_vsi_handle;
6352
6353 rem_vsi_handle = find_first_bit(vsi_list_info->vsi_map,
6354 ICE_MAX_VSI);
6355 if (!ice_is_vsi_valid(hw, rem_vsi_handle))
d54699e2 6356 return -EIO;
8bb98f33
SS		 6357
6358 /* Make sure VSI list is empty before removing it below */
6359 status = ice_update_vsi_list_rule(hw, &rem_vsi_handle, 1,
6360 vsi_list_id, true,
6361 ice_aqc_opc_update_sw_rules,
6362 lkup_type);
6363 if (status)
6364 return status;
6365
6366 memset(&tmp_fltr, 0, sizeof(tmp_fltr));
6367 tmp_fltr.flag = fm_list->rule_info.sw_act.flag;
6368 tmp_fltr.fltr_rule_id = fm_list->rule_info.fltr_rule_id;
6369 fm_list->rule_info.sw_act.fltr_act = ICE_FWD_TO_VSI;
6370 tmp_fltr.fltr_act = ICE_FWD_TO_VSI;
6371 tmp_fltr.fwd_id.hw_vsi_id =
6372 ice_get_hw_vsi_num(hw, rem_vsi_handle);
6373 fm_list->rule_info.sw_act.fwd_id.hw_vsi_id =
6374 ice_get_hw_vsi_num(hw, rem_vsi_handle);
6375 fm_list->rule_info.sw_act.vsi_handle = rem_vsi_handle;
6376
6377 /* Update the previous switch rule of "MAC forward to VSI" to
6378 * "MAC fwd to VSI list"
6379 */
6380 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr);
6381 if (status) {
6382 ice_debug(hw, ICE_DBG_SW, "Failed to update pkt fwd rule to FWD_TO_VSI on HW VSI %d, error %d\n",
6383 tmp_fltr.fwd_id.hw_vsi_id, status);
6384 return status;
6385 }
6386 fm_list->vsi_list_info->ref_cnt--;
6387
6388 /* Remove the VSI list since it is no longer used */
6389 status = ice_remove_vsi_list_rule(hw, vsi_list_id, lkup_type);
6390 if (status) {
6391 ice_debug(hw, ICE_DBG_SW, "Failed to remove VSI list %d, error %d\n",
6392 vsi_list_id, status);
6393 return status;
6394 }
6395
6396 list_del(&vsi_list_info->list_entry);
6397 devm_kfree(ice_hw_to_dev(hw), vsi_list_info);
6398 fm_list->vsi_list_info = NULL;
6399 }
6400
6401 return status;
6402}
6403
6404/**
6405 * ice_rem_adv_rule - removes existing advanced switch rule
6406 * @hw: pointer to the hardware structure
6407 * @lkups: information on the words that needs to be looked up. All words
6408 * together makes one recipe
6409 * @lkups_cnt: num of entries in the lkups array
6410 * @rinfo: Its the pointer to the rule information for the rule
6411 *
6412 * This function can be used to remove 1 rule at a time. The lkups is
6413 * used to describe all the words that forms the "lookup" portion of the
6414 * rule. These words can span multiple protocols. Callers to this function
6415 * need to pass in a list of protocol headers with lookup information along
6416 * and mask that determines which words are valid from the given protocol
6417 * header. rinfo describes other information related to this rule such as
6418 * forwarding IDs, priority of this rule, etc.
6419 */
5e24d598 6420static int
8bb98f33
SS		 6421ice_rem_adv_rule(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups,
6422 u16 lkups_cnt, struct ice_adv_rule_info *rinfo)
6423{
6424 struct ice_adv_fltr_mgmt_list_entry *list_elem;
6425 struct ice_prot_lkup_ext lkup_exts;
8bb98f33
SS		 6426 bool remove_rule = false;
6427 struct mutex *rule_lock; /* Lock to protect filter rule list */
6428 u16 i, rid, vsi_handle;
5518ac2a 6429 int status = 0;
8bb98f33
SS		 6430
6431 memset(&lkup_exts, 0, sizeof(lkup_exts));
6432 for (i = 0; i < lkups_cnt; i++) {
6433 u16 count;
6434
6435 if (lkups[i].type >= ICE_PROTOCOL_LAST)
d54699e2 6436 return -EIO;
8bb98f33
SS		 6437
6438 count = ice_fill_valid_words(&lkups[i], &lkup_exts);
6439 if (!count)
d54699e2 6440 return -EIO;
8bb98f33
SS		 6441 }
6442
bccd9bce 6443 rid = ice_find_recp(hw, &lkup_exts, rinfo);
8bb98f33
SS		 6444 /* If did not find a recipe that match the existing criteria */
6445 if (rid == ICE_MAX_NUM_RECIPES)
d54699e2 6446 return -EINVAL;
8bb98f33
SS		 6447
6448 rule_lock = &hw->switch_info->recp_list[rid].filt_rule_lock;
6449 list_elem = ice_find_adv_rule_entry(hw, lkups, lkups_cnt, rid, rinfo);
6450 /* the rule is already removed */
6451 if (!list_elem)
6452 return 0;
6453 mutex_lock(rule_lock);
6454 if (list_elem->rule_info.sw_act.fltr_act != ICE_FWD_TO_VSI_LIST) {
6455 remove_rule = true;
6456 } else if (list_elem->vsi_count > 1) {
6457 remove_rule = false;
6458 vsi_handle = rinfo->sw_act.vsi_handle;
6459 status = ice_adv_rem_update_vsi_list(hw, vsi_handle, list_elem);
6460 } else {
6461 vsi_handle = rinfo->sw_act.vsi_handle;
6462 status = ice_adv_rem_update_vsi_list(hw, vsi_handle, list_elem);
6463 if (status) {
6464 mutex_unlock(rule_lock);
6465 return status;
6466 }
6467 if (list_elem->vsi_count == 0)
6468 remove_rule = true;
6469 }
6470 mutex_unlock(rule_lock);
6471 if (remove_rule) {
6e1ff618 6472 struct ice_sw_rule_lkup_rx_tx *s_rule;
8bb98f33
SS		 6473 u16 rule_buf_sz;
6474
6e1ff618 6475 rule_buf_sz = ICE_SW_RULE_RX_TX_NO_HDR_SIZE(s_rule);
8bb98f33
SS		 6476 s_rule = kzalloc(rule_buf_sz, GFP_KERNEL);
6477 if (!s_rule)
d54699e2 6478 return -ENOMEM;
6e1ff618
AL		 6479 s_rule->act = 0;
6480 s_rule->index = cpu_to_le16(list_elem->rule_info.fltr_rule_id);
6481 s_rule->hdr_len = 0;
8bb98f33
SS		 6482 status = ice_aq_sw_rules(hw, (struct ice_aqc_sw_rules *)s_rule,
6483 rule_buf_sz, 1,
6484 ice_aqc_opc_remove_sw_rules, NULL);
d54699e2 6485 if (!status || status == -ENOENT) {
8bb98f33
SS		 6486 struct ice_switch_info *sw = hw->switch_info;
6487
6488 mutex_lock(rule_lock);
6489 list_del(&list_elem->list_entry);
6490 devm_kfree(ice_hw_to_dev(hw), list_elem->lkups);
6491 devm_kfree(ice_hw_to_dev(hw), list_elem);
6492 mutex_unlock(rule_lock);
6493 if (list_empty(&sw->recp_list[rid].filt_rules))
6494 sw->recp_list[rid].adv_rule = false;
6495 }
6496 kfree(s_rule);
6497 }
6498 return status;
6499}
6500
6501/**
6502 * ice_rem_adv_rule_by_id - removes existing advanced switch rule by ID
6503 * @hw: pointer to the hardware structure
6504 * @remove_entry: data struct which holds rule_id, VSI handle and recipe ID
6505 *
6506 * This function is used to remove 1 rule at a time. The removal is based on
6507 * the remove_entry parameter. This function will remove rule for a given
6508 * vsi_handle with a given rule_id which is passed as parameter in remove_entry
6509 */
5e24d598 6510int
8bb98f33
SS		 6511ice_rem_adv_rule_by_id(struct ice_hw *hw,
6512 struct ice_rule_query_data *remove_entry)
6513{
6514 struct ice_adv_fltr_mgmt_list_entry *list_itr;
6515 struct list_head *list_head;
6516 struct ice_adv_rule_info rinfo;
6517 struct ice_switch_info *sw;
6518
6519 sw = hw->switch_info;
6520 if (!sw->recp_list[remove_entry->rid].recp_created)
d54699e2 6521 return -EINVAL;
8bb98f33
SS		 6522 list_head = &sw->recp_list[remove_entry->rid].filt_rules;
6523 list_for_each_entry(list_itr, list_head, list_entry) {
6524 if (list_itr->rule_info.fltr_rule_id ==
6525 remove_entry->rule_id) {
6526 rinfo = list_itr->rule_info;
6527 rinfo.sw_act.vsi_handle = remove_entry->vsi_handle;
6528 return ice_rem_adv_rule(hw, list_itr->lkups,
6529 list_itr->lkups_cnt, &rinfo);
6530 }
6531 }
6532 /* either list is empty or unable to find rule */
d54699e2 6533 return -ENOENT;
8bb98f33
SS		 6534}
6535
c36a2b97
VR		 6536/**
6537 * ice_replay_vsi_adv_rule - Replay advanced rule for requested VSI
6538 * @hw: pointer to the hardware structure
6539 * @vsi_handle: driver VSI handle
6540 * @list_head: list for which filters need to be replayed
6541 *
6542 * Replay the advanced rule for the given VSI.
6543 */
6544static int
6545ice_replay_vsi_adv_rule(struct ice_hw *hw, u16 vsi_handle,
6546 struct list_head *list_head)
6547{
6548 struct ice_rule_query_data added_entry = { 0 };
6549 struct ice_adv_fltr_mgmt_list_entry *adv_fltr;
6550 int status = 0;
6551
6552 if (list_empty(list_head))
6553 return status;
6554 list_for_each_entry(adv_fltr, list_head, list_entry) {
6555 struct ice_adv_rule_info *rinfo = &adv_fltr->rule_info;
6556 u16 lk_cnt = adv_fltr->lkups_cnt;
6557
6558 if (vsi_handle != rinfo->sw_act.vsi_handle)
6559 continue;
6560 status = ice_add_adv_rule(hw, adv_fltr->lkups, lk_cnt, rinfo,
6561 &added_entry);
6562 if (status)
6563 break;
6564 }
6565 return status;
6566}
6567
0f9d5027 6568/**
334cb062 6569 * ice_replay_vsi_all_fltr - replay all filters stored in bookkeeping lists
0f9d5027 6570 * @hw: pointer to the hardware structure
334cb062 6571 * @vsi_handle: driver VSI handle
0f9d5027 6572 *
334cb062 6573 * Replays filters for requested VSI via vsi_handle.
0f9d5027 6574 */
5e24d598 6575int ice_replay_vsi_all_fltr(struct ice_hw *hw, u16 vsi_handle)
0f9d5027
AV		 6576{
6577 struct ice_switch_info *sw = hw->switch_info;
c36a2b97 6578 int status;
0f9d5027
AV		 6579 u8 i;
6580
c36a2b97 6581 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
334cb062 6582 struct list_head *head;
0f9d5027 6583
334cb062 6584 head = &sw->recp_list[i].filt_replay_rules;
c36a2b97
VR		 6585 if (!sw->recp_list[i].adv_rule)
6586 status = ice_replay_vsi_fltr(hw, vsi_handle, i, head);
6587 else
6588 status = ice_replay_vsi_adv_rule(hw, vsi_handle, head);
0f9d5027
AV		 6589 if (status)
6590 return status;
6591 }
6592 return status;
6593}
334cb062
AV		 6594
6595/**
6596 * ice_rm_all_sw_replay_rule_info - deletes filter replay rules
f9867df6 6597 * @hw: pointer to the HW struct
334cb062
AV		 6598 *
6599 * Deletes the filter replay rules.
6600 */
6601void ice_rm_all_sw_replay_rule_info(struct ice_hw *hw)
6602{
6603 struct ice_switch_info *sw = hw->switch_info;
6604 u8 i;
6605
6606 if (!sw)
6607 return;
6608
8b8ef05b 6609 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
334cb062
AV		 6610 if (!list_empty(&sw->recp_list[i].filt_replay_rules)) {
6611 struct list_head *l_head;
6612
6613 l_head = &sw->recp_list[i].filt_replay_rules;
8b8ef05b
VR		 6614 if (!sw->recp_list[i].adv_rule)
6615 ice_rem_sw_rule_info(hw, l_head);
6616 else
6617 ice_rem_adv_rule_info(hw, l_head);
334cb062
AV		 6618 }
6619 }
6620}
Linux 6.x block layer and io_uring tree(s)