1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (c) 2018, Intel Corporation. */
5 #include "ice_switch.h"
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
11 #define ICE_IPV6_ETHER_ID 0x86DD
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) }
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:
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
28 static const u8 dummy_eth_header[DUMMY_ETH_HDR_LEN] = { 0x2, 0, 0, 0, 0, 0,
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),
43 ICE_PKT_PPPOE = BIT(10),
44 ICE_PKT_L2TPV3 = BIT(11),
47 struct ice_dummy_pkt_offsets {
48 enum ice_protocol_type type;
49 u16 offset; /* ICE_PROTOCOL_LAST indicates end of list */
52 struct ice_dummy_pkt_profile {
53 const struct ice_dummy_pkt_offsets *offsets;
60 #define ICE_DECLARE_PKT_OFFSETS(type) \
61 static const struct ice_dummy_pkt_offsets \
62 ice_dummy_##type##_packet_offsets[]
64 #define ICE_DECLARE_PKT_TEMPLATE(type) \
65 static const u8 ice_dummy_##type##_packet[]
67 #define ICE_PKT_PROFILE(type, 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), \
75 ICE_DECLARE_PKT_OFFSETS(vlan) = {
76 { ICE_VLAN_OFOS, 12 },
79 ICE_DECLARE_PKT_TEMPLATE(vlan) = {
80 0x81, 0x00, 0x00, 0x00, /* ICE_VLAN_OFOS 12 */
83 ICE_DECLARE_PKT_OFFSETS(qinq) = {
88 ICE_DECLARE_PKT_TEMPLATE(qinq) = {
89 0x91, 0x00, 0x00, 0x00, /* ICE_VLAN_EX 12 */
90 0x81, 0x00, 0x00, 0x00, /* ICE_VLAN_IN 16 */
93 ICE_DECLARE_PKT_OFFSETS(gre_tcp) = {
96 { ICE_IPV4_OFOS, 14 },
102 { ICE_PROTOCOL_LAST, 0 },
105 ICE_DECLARE_PKT_TEMPLATE(gre_tcp) = {
106 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
107 0x00, 0x00, 0x00, 0x00,
108 0x00, 0x00, 0x00, 0x00,
110 0x08, 0x00, /* ICE_ETYPE_OL 12 */
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,
118 0x80, 0x00, 0x65, 0x58, /* ICE_NVGRE 34 */
119 0x00, 0x00, 0x00, 0x00,
121 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_IL 42 */
122 0x00, 0x00, 0x00, 0x00,
123 0x00, 0x00, 0x00, 0x00,
125 0x08, 0x00, /* ICE_ETYPE_IL 54 */
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,
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
140 ICE_DECLARE_PKT_OFFSETS(gre_udp) = {
142 { ICE_ETYPE_OL, 12 },
143 { ICE_IPV4_OFOS, 14 },
146 { ICE_ETYPE_IL, 54 },
148 { ICE_UDP_ILOS, 76 },
149 { ICE_PROTOCOL_LAST, 0 },
152 ICE_DECLARE_PKT_TEMPLATE(gre_udp) = {
153 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
154 0x00, 0x00, 0x00, 0x00,
155 0x00, 0x00, 0x00, 0x00,
157 0x08, 0x00, /* ICE_ETYPE_OL 12 */
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,
165 0x80, 0x00, 0x65, 0x58, /* ICE_NVGRE 34 */
166 0x00, 0x00, 0x00, 0x00,
168 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_IL 42 */
169 0x00, 0x00, 0x00, 0x00,
170 0x00, 0x00, 0x00, 0x00,
172 0x08, 0x00, /* ICE_ETYPE_IL 54 */
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,
180 0x00, 0x00, 0x00, 0x00, /* ICE_UDP_ILOS 76 */
181 0x00, 0x08, 0x00, 0x00,
184 ICE_DECLARE_PKT_OFFSETS(udp_tun_tcp) = {
186 { ICE_ETYPE_OL, 12 },
187 { ICE_IPV4_OFOS, 14 },
191 { ICE_VXLAN_GPE, 42 },
193 { ICE_ETYPE_IL, 62 },
196 { ICE_PROTOCOL_LAST, 0 },
199 ICE_DECLARE_PKT_TEMPLATE(udp_tun_tcp) = {
200 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
201 0x00, 0x00, 0x00, 0x00,
202 0x00, 0x00, 0x00, 0x00,
204 0x08, 0x00, /* ICE_ETYPE_OL 12 */
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,
212 0x00, 0x00, 0x12, 0xb5, /* ICE_UDP_OF 34 */
213 0x00, 0x46, 0x00, 0x00,
215 0x00, 0x00, 0x65, 0x58, /* ICE_VXLAN 42 */
216 0x00, 0x00, 0x00, 0x00,
218 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_IL 50 */
219 0x00, 0x00, 0x00, 0x00,
220 0x00, 0x00, 0x00, 0x00,
222 0x08, 0x00, /* ICE_ETYPE_IL 62 */
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,
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
237 ICE_DECLARE_PKT_OFFSETS(udp_tun_udp) = {
239 { ICE_ETYPE_OL, 12 },
240 { ICE_IPV4_OFOS, 14 },
244 { ICE_VXLAN_GPE, 42 },
246 { ICE_ETYPE_IL, 62 },
248 { ICE_UDP_ILOS, 84 },
249 { ICE_PROTOCOL_LAST, 0 },
252 ICE_DECLARE_PKT_TEMPLATE(udp_tun_udp) = {
253 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
254 0x00, 0x00, 0x00, 0x00,
255 0x00, 0x00, 0x00, 0x00,
257 0x08, 0x00, /* ICE_ETYPE_OL 12 */
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,
265 0x00, 0x00, 0x12, 0xb5, /* ICE_UDP_OF 34 */
266 0x00, 0x3a, 0x00, 0x00,
268 0x00, 0x00, 0x65, 0x58, /* ICE_VXLAN 42 */
269 0x00, 0x00, 0x00, 0x00,
271 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_IL 50 */
272 0x00, 0x00, 0x00, 0x00,
273 0x00, 0x00, 0x00, 0x00,
275 0x08, 0x00, /* ICE_ETYPE_IL 62 */
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,
283 0x00, 0x00, 0x00, 0x00, /* ICE_UDP_ILOS 84 */
284 0x00, 0x08, 0x00, 0x00,
287 ICE_DECLARE_PKT_OFFSETS(gre_ipv6_tcp) = {
289 { ICE_ETYPE_OL, 12 },
290 { ICE_IPV4_OFOS, 14 },
293 { ICE_ETYPE_IL, 54 },
296 { ICE_PROTOCOL_LAST, 0 },
299 ICE_DECLARE_PKT_TEMPLATE(gre_ipv6_tcp) = {
300 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
301 0x00, 0x00, 0x00, 0x00,
302 0x00, 0x00, 0x00, 0x00,
304 0x08, 0x00, /* ICE_ETYPE_OL 12 */
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,
312 0x80, 0x00, 0x65, 0x58, /* ICE_NVGRE 34 */
313 0x00, 0x00, 0x00, 0x00,
315 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_IL 42 */
316 0x00, 0x00, 0x00, 0x00,
317 0x00, 0x00, 0x00, 0x00,
319 0x86, 0xdd, /* ICE_ETYPE_IL 54 */
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,
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
339 ICE_DECLARE_PKT_OFFSETS(gre_ipv6_udp) = {
341 { ICE_ETYPE_OL, 12 },
342 { ICE_IPV4_OFOS, 14 },
345 { ICE_ETYPE_IL, 54 },
347 { ICE_UDP_ILOS, 96 },
348 { ICE_PROTOCOL_LAST, 0 },
351 ICE_DECLARE_PKT_TEMPLATE(gre_ipv6_udp) = {
352 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
353 0x00, 0x00, 0x00, 0x00,
354 0x00, 0x00, 0x00, 0x00,
356 0x08, 0x00, /* ICE_ETYPE_OL 12 */
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,
364 0x80, 0x00, 0x65, 0x58, /* ICE_NVGRE 34 */
365 0x00, 0x00, 0x00, 0x00,
367 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_IL 42 */
368 0x00, 0x00, 0x00, 0x00,
369 0x00, 0x00, 0x00, 0x00,
371 0x86, 0xdd, /* ICE_ETYPE_IL 54 */
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,
384 0x00, 0x00, 0x00, 0x00, /* ICE_UDP_ILOS 96 */
385 0x00, 0x08, 0x00, 0x00,
388 ICE_DECLARE_PKT_OFFSETS(udp_tun_ipv6_tcp) = {
390 { ICE_ETYPE_OL, 12 },
391 { ICE_IPV4_OFOS, 14 },
395 { ICE_VXLAN_GPE, 42 },
397 { ICE_ETYPE_IL, 62 },
400 { ICE_PROTOCOL_LAST, 0 },
403 ICE_DECLARE_PKT_TEMPLATE(udp_tun_ipv6_tcp) = {
404 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
405 0x00, 0x00, 0x00, 0x00,
406 0x00, 0x00, 0x00, 0x00,
408 0x08, 0x00, /* ICE_ETYPE_OL 12 */
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,
416 0x00, 0x00, 0x12, 0xb5, /* ICE_UDP_OF 34 */
417 0x00, 0x5a, 0x00, 0x00,
419 0x00, 0x00, 0x65, 0x58, /* ICE_VXLAN 42 */
420 0x00, 0x00, 0x00, 0x00,
422 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_IL 50 */
423 0x00, 0x00, 0x00, 0x00,
424 0x00, 0x00, 0x00, 0x00,
426 0x86, 0xdd, /* ICE_ETYPE_IL 62 */
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,
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
446 ICE_DECLARE_PKT_OFFSETS(udp_tun_ipv6_udp) = {
448 { ICE_ETYPE_OL, 12 },
449 { ICE_IPV4_OFOS, 14 },
453 { ICE_VXLAN_GPE, 42 },
455 { ICE_ETYPE_IL, 62 },
457 { ICE_UDP_ILOS, 104 },
458 { ICE_PROTOCOL_LAST, 0 },
461 ICE_DECLARE_PKT_TEMPLATE(udp_tun_ipv6_udp) = {
462 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
463 0x00, 0x00, 0x00, 0x00,
464 0x00, 0x00, 0x00, 0x00,
466 0x08, 0x00, /* ICE_ETYPE_OL 12 */
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,
474 0x00, 0x00, 0x12, 0xb5, /* ICE_UDP_OF 34 */
475 0x00, 0x4e, 0x00, 0x00,
477 0x00, 0x00, 0x65, 0x58, /* ICE_VXLAN 42 */
478 0x00, 0x00, 0x00, 0x00,
480 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_IL 50 */
481 0x00, 0x00, 0x00, 0x00,
482 0x00, 0x00, 0x00, 0x00,
484 0x86, 0xdd, /* ICE_ETYPE_IL 62 */
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,
497 0x00, 0x00, 0x00, 0x00, /* ICE_UDP_ILOS 104 */
498 0x00, 0x08, 0x00, 0x00,
501 /* offset info for MAC + IPv4 + UDP dummy packet */
502 ICE_DECLARE_PKT_OFFSETS(udp) = {
504 { ICE_ETYPE_OL, 12 },
505 { ICE_IPV4_OFOS, 14 },
506 { ICE_UDP_ILOS, 34 },
507 { ICE_PROTOCOL_LAST, 0 },
510 /* Dummy packet for MAC + IPv4 + UDP */
511 ICE_DECLARE_PKT_TEMPLATE(udp) = {
512 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
513 0x00, 0x00, 0x00, 0x00,
514 0x00, 0x00, 0x00, 0x00,
516 0x08, 0x00, /* ICE_ETYPE_OL 12 */
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,
524 0x00, 0x00, 0x00, 0x00, /* ICE_UDP_ILOS 34 */
525 0x00, 0x08, 0x00, 0x00,
527 0x00, 0x00, /* 2 bytes for 4 byte alignment */
530 /* offset info for MAC + IPv4 + TCP dummy packet */
531 ICE_DECLARE_PKT_OFFSETS(tcp) = {
533 { ICE_ETYPE_OL, 12 },
534 { ICE_IPV4_OFOS, 14 },
536 { ICE_PROTOCOL_LAST, 0 },
539 /* Dummy packet for MAC + IPv4 + TCP */
540 ICE_DECLARE_PKT_TEMPLATE(tcp) = {
541 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
542 0x00, 0x00, 0x00, 0x00,
543 0x00, 0x00, 0x00, 0x00,
545 0x08, 0x00, /* ICE_ETYPE_OL 12 */
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,
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,
559 0x00, 0x00, /* 2 bytes for 4 byte alignment */
562 ICE_DECLARE_PKT_OFFSETS(tcp_ipv6) = {
564 { ICE_ETYPE_OL, 12 },
565 { ICE_IPV6_OFOS, 14 },
567 { ICE_PROTOCOL_LAST, 0 },
570 ICE_DECLARE_PKT_TEMPLATE(tcp_ipv6) = {
571 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
572 0x00, 0x00, 0x00, 0x00,
573 0x00, 0x00, 0x00, 0x00,
575 0x86, 0xDD, /* ICE_ETYPE_OL 12 */
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,
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,
594 0x00, 0x00, /* 2 bytes for 4 byte alignment */
598 ICE_DECLARE_PKT_OFFSETS(udp_ipv6) = {
600 { ICE_ETYPE_OL, 12 },
601 { ICE_IPV6_OFOS, 14 },
602 { ICE_UDP_ILOS, 54 },
603 { ICE_PROTOCOL_LAST, 0 },
606 /* IPv6 + UDP dummy packet */
607 ICE_DECLARE_PKT_TEMPLATE(udp_ipv6) = {
608 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
609 0x00, 0x00, 0x00, 0x00,
610 0x00, 0x00, 0x00, 0x00,
612 0x86, 0xDD, /* ICE_ETYPE_OL 12 */
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,
625 0x00, 0x00, 0x00, 0x00, /* ICE_UDP_ILOS 54 */
626 0x00, 0x10, 0x00, 0x00,
628 0x00, 0x00, 0x00, 0x00, /* needed for ESP packets */
629 0x00, 0x00, 0x00, 0x00,
631 0x00, 0x00, /* 2 bytes for 4 byte alignment */
634 /* Outer IPv4 + Outer UDP + GTP + Inner IPv4 + Inner TCP */
635 ICE_DECLARE_PKT_OFFSETS(ipv4_gtpu_ipv4_tcp) = {
637 { ICE_IPV4_OFOS, 14 },
642 { ICE_PROTOCOL_LAST, 0 },
645 ICE_DECLARE_PKT_TEMPLATE(ipv4_gtpu_ipv4_tcp) = {
646 0x00, 0x00, 0x00, 0x00, /* Ethernet 0 */
647 0x00, 0x00, 0x00, 0x00,
648 0x00, 0x00, 0x00, 0x00,
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,
657 0x00, 0x00, 0x08, 0x68, /* UDP 34 */
658 0x00, 0x44, 0x00, 0x00,
660 0x34, 0xff, 0x00, 0x34, /* ICE_GTP Header 42 */
661 0x00, 0x00, 0x00, 0x00,
662 0x00, 0x00, 0x00, 0x85,
664 0x02, 0x00, 0x00, 0x00, /* GTP_PDUSession_ExtensionHeader 54 */
665 0x00, 0x00, 0x00, 0x00,
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,
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,
679 0x00, 0x00, /* 2 bytes for 4 byte alignment */
682 /* Outer IPv4 + Outer UDP + GTP + Inner IPv4 + Inner UDP */
683 ICE_DECLARE_PKT_OFFSETS(ipv4_gtpu_ipv4_udp) = {
685 { ICE_IPV4_OFOS, 14 },
689 { ICE_UDP_ILOS, 82 },
690 { ICE_PROTOCOL_LAST, 0 },
693 ICE_DECLARE_PKT_TEMPLATE(ipv4_gtpu_ipv4_udp) = {
694 0x00, 0x00, 0x00, 0x00, /* Ethernet 0 */
695 0x00, 0x00, 0x00, 0x00,
696 0x00, 0x00, 0x00, 0x00,
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,
705 0x00, 0x00, 0x08, 0x68, /* UDP 34 */
706 0x00, 0x38, 0x00, 0x00,
708 0x34, 0xff, 0x00, 0x28, /* ICE_GTP Header 42 */
709 0x00, 0x00, 0x00, 0x00,
710 0x00, 0x00, 0x00, 0x85,
712 0x02, 0x00, 0x00, 0x00, /* GTP_PDUSession_ExtensionHeader 54 */
713 0x00, 0x00, 0x00, 0x00,
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,
721 0x00, 0x00, 0x00, 0x00, /* UDP 82 */
722 0x00, 0x08, 0x00, 0x00,
724 0x00, 0x00, /* 2 bytes for 4 byte alignment */
727 /* Outer IPv6 + Outer UDP + GTP + Inner IPv4 + Inner TCP */
728 ICE_DECLARE_PKT_OFFSETS(ipv4_gtpu_ipv6_tcp) = {
730 { ICE_IPV4_OFOS, 14 },
735 { ICE_PROTOCOL_LAST, 0 },
738 ICE_DECLARE_PKT_TEMPLATE(ipv4_gtpu_ipv6_tcp) = {
739 0x00, 0x00, 0x00, 0x00, /* Ethernet 0 */
740 0x00, 0x00, 0x00, 0x00,
741 0x00, 0x00, 0x00, 0x00,
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,
750 0x00, 0x00, 0x08, 0x68, /* UDP 34 */
751 0x00, 0x58, 0x00, 0x00,
753 0x34, 0xff, 0x00, 0x48, /* ICE_GTP Header 42 */
754 0x00, 0x00, 0x00, 0x00,
755 0x00, 0x00, 0x00, 0x85,
757 0x02, 0x00, 0x00, 0x00, /* GTP_PDUSession_ExtensionHeader 54 */
758 0x00, 0x00, 0x00, 0x00,
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,
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,
777 0x00, 0x00, /* 2 bytes for 4 byte alignment */
780 ICE_DECLARE_PKT_OFFSETS(ipv4_gtpu_ipv6_udp) = {
782 { ICE_IPV4_OFOS, 14 },
786 { ICE_UDP_ILOS, 102 },
787 { ICE_PROTOCOL_LAST, 0 },
790 ICE_DECLARE_PKT_TEMPLATE(ipv4_gtpu_ipv6_udp) = {
791 0x00, 0x00, 0x00, 0x00, /* Ethernet 0 */
792 0x00, 0x00, 0x00, 0x00,
793 0x00, 0x00, 0x00, 0x00,
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,
802 0x00, 0x00, 0x08, 0x68, /* UDP 34 */
803 0x00, 0x4c, 0x00, 0x00,
805 0x34, 0xff, 0x00, 0x3c, /* ICE_GTP Header 42 */
806 0x00, 0x00, 0x00, 0x00,
807 0x00, 0x00, 0x00, 0x85,
809 0x02, 0x00, 0x00, 0x00, /* GTP_PDUSession_ExtensionHeader 54 */
810 0x00, 0x00, 0x00, 0x00,
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,
823 0x00, 0x00, 0x00, 0x00, /* UDP 102 */
824 0x00, 0x08, 0x00, 0x00,
826 0x00, 0x00, /* 2 bytes for 4 byte alignment */
829 ICE_DECLARE_PKT_OFFSETS(ipv6_gtpu_ipv4_tcp) = {
831 { ICE_IPV6_OFOS, 14 },
836 { ICE_PROTOCOL_LAST, 0 },
839 ICE_DECLARE_PKT_TEMPLATE(ipv6_gtpu_ipv4_tcp) = {
840 0x00, 0x00, 0x00, 0x00, /* Ethernet 0 */
841 0x00, 0x00, 0x00, 0x00,
842 0x00, 0x00, 0x00, 0x00,
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,
856 0x00, 0x00, 0x08, 0x68, /* UDP 54 */
857 0x00, 0x44, 0x00, 0x00,
859 0x34, 0xff, 0x00, 0x34, /* ICE_GTP Header 62 */
860 0x00, 0x00, 0x00, 0x00,
861 0x00, 0x00, 0x00, 0x85,
863 0x02, 0x00, 0x00, 0x00, /* GTP_PDUSession_ExtensionHeader 74 */
864 0x00, 0x00, 0x00, 0x00,
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,
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,
878 0x00, 0x00, /* 2 bytes for 4 byte alignment */
881 ICE_DECLARE_PKT_OFFSETS(ipv6_gtpu_ipv4_udp) = {
883 { ICE_IPV6_OFOS, 14 },
887 { ICE_UDP_ILOS, 102 },
888 { ICE_PROTOCOL_LAST, 0 },
891 ICE_DECLARE_PKT_TEMPLATE(ipv6_gtpu_ipv4_udp) = {
892 0x00, 0x00, 0x00, 0x00, /* Ethernet 0 */
893 0x00, 0x00, 0x00, 0x00,
894 0x00, 0x00, 0x00, 0x00,
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,
908 0x00, 0x00, 0x08, 0x68, /* UDP 54 */
909 0x00, 0x38, 0x00, 0x00,
911 0x34, 0xff, 0x00, 0x28, /* ICE_GTP Header 62 */
912 0x00, 0x00, 0x00, 0x00,
913 0x00, 0x00, 0x00, 0x85,
915 0x02, 0x00, 0x00, 0x00, /* GTP_PDUSession_ExtensionHeader 74 */
916 0x00, 0x00, 0x00, 0x00,
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,
924 0x00, 0x00, 0x00, 0x00, /* UDP 102 */
925 0x00, 0x08, 0x00, 0x00,
927 0x00, 0x00, /* 2 bytes for 4 byte alignment */
930 ICE_DECLARE_PKT_OFFSETS(ipv6_gtpu_ipv6_tcp) = {
932 { ICE_IPV6_OFOS, 14 },
937 { ICE_PROTOCOL_LAST, 0 },
940 ICE_DECLARE_PKT_TEMPLATE(ipv6_gtpu_ipv6_tcp) = {
941 0x00, 0x00, 0x00, 0x00, /* Ethernet 0 */
942 0x00, 0x00, 0x00, 0x00,
943 0x00, 0x00, 0x00, 0x00,
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,
957 0x00, 0x00, 0x08, 0x68, /* UDP 54 */
958 0x00, 0x58, 0x00, 0x00,
960 0x34, 0xff, 0x00, 0x48, /* ICE_GTP Header 62 */
961 0x00, 0x00, 0x00, 0x00,
962 0x00, 0x00, 0x00, 0x85,
964 0x02, 0x00, 0x00, 0x00, /* GTP_PDUSession_ExtensionHeader 74 */
965 0x00, 0x00, 0x00, 0x00,
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,
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,
984 0x00, 0x00, /* 2 bytes for 4 byte alignment */
987 ICE_DECLARE_PKT_OFFSETS(ipv6_gtpu_ipv6_udp) = {
989 { ICE_IPV6_OFOS, 14 },
993 { ICE_UDP_ILOS, 122 },
994 { ICE_PROTOCOL_LAST, 0 },
997 ICE_DECLARE_PKT_TEMPLATE(ipv6_gtpu_ipv6_udp) = {
998 0x00, 0x00, 0x00, 0x00, /* Ethernet 0 */
999 0x00, 0x00, 0x00, 0x00,
1000 0x00, 0x00, 0x00, 0x00,
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,
1014 0x00, 0x00, 0x08, 0x68, /* UDP 54 */
1015 0x00, 0x4c, 0x00, 0x00,
1017 0x34, 0xff, 0x00, 0x3c, /* ICE_GTP Header 62 */
1018 0x00, 0x00, 0x00, 0x00,
1019 0x00, 0x00, 0x00, 0x85,
1021 0x02, 0x00, 0x00, 0x00, /* GTP_PDUSession_ExtensionHeader 74 */
1022 0x00, 0x00, 0x00, 0x00,
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,
1035 0x00, 0x00, 0x00, 0x00, /* UDP 122 */
1036 0x00, 0x08, 0x00, 0x00,
1038 0x00, 0x00, /* 2 bytes for 4 byte alignment */
1041 ICE_DECLARE_PKT_OFFSETS(ipv4_gtpu_ipv4) = {
1042 { ICE_MAC_OFOS, 0 },
1043 { ICE_IPV4_OFOS, 14 },
1045 { ICE_GTP_NO_PAY, 42 },
1046 { ICE_PROTOCOL_LAST, 0 },
1049 ICE_DECLARE_PKT_TEMPLATE(ipv4_gtpu_ipv4) = {
1050 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
1051 0x00, 0x00, 0x00, 0x00,
1052 0x00, 0x00, 0x00, 0x00,
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,
1061 0x08, 0x68, 0x08, 0x68, /* ICE_UDP_OF 34 */
1062 0x00, 0x00, 0x00, 0x00,
1064 0x34, 0xff, 0x00, 0x28, /* ICE_GTP 42 */
1065 0x00, 0x00, 0x00, 0x00,
1066 0x00, 0x00, 0x00, 0x85,
1068 0x02, 0x00, 0x00, 0x00, /* PDU Session extension header */
1069 0x00, 0x00, 0x00, 0x00,
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,
1079 ICE_DECLARE_PKT_OFFSETS(ipv6_gtp) = {
1080 { ICE_MAC_OFOS, 0 },
1081 { ICE_IPV6_OFOS, 14 },
1083 { ICE_GTP_NO_PAY, 62 },
1084 { ICE_PROTOCOL_LAST, 0 },
1087 ICE_DECLARE_PKT_TEMPLATE(ipv6_gtp) = {
1088 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
1089 0x00, 0x00, 0x00, 0x00,
1090 0x00, 0x00, 0x00, 0x00,
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,
1104 0x08, 0x68, 0x08, 0x68, /* ICE_UDP_OF 54 */
1105 0x00, 0x00, 0x00, 0x00,
1107 0x30, 0x00, 0x00, 0x28, /* ICE_GTP 62 */
1108 0x00, 0x00, 0x00, 0x00,
1113 ICE_DECLARE_PKT_OFFSETS(pppoe_ipv4_tcp) = {
1114 { ICE_MAC_OFOS, 0 },
1115 { ICE_ETYPE_OL, 12 },
1117 { ICE_IPV4_OFOS, 22 },
1119 { ICE_PROTOCOL_LAST, 0 },
1122 ICE_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,
1127 0x88, 0x64, /* ICE_ETYPE_OL 12 */
1129 0x11, 0x00, 0x00, 0x00, /* ICE_PPPOE 14 */
1132 0x00, 0x21, /* PPP Link Layer 20 */
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,
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,
1146 0x00, 0x00, /* 2 bytes for 4 bytes alignment */
1149 ICE_DECLARE_PKT_OFFSETS(pppoe_ipv4_udp) = {
1150 { ICE_MAC_OFOS, 0 },
1151 { ICE_ETYPE_OL, 12 },
1153 { ICE_IPV4_OFOS, 22 },
1154 { ICE_UDP_ILOS, 42 },
1155 { ICE_PROTOCOL_LAST, 0 },
1158 ICE_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,
1163 0x88, 0x64, /* ICE_ETYPE_OL 12 */
1165 0x11, 0x00, 0x00, 0x00, /* ICE_PPPOE 14 */
1168 0x00, 0x21, /* PPP Link Layer 20 */
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,
1176 0x00, 0x00, 0x00, 0x00, /* ICE_UDP_ILOS 42 */
1177 0x00, 0x08, 0x00, 0x00,
1179 0x00, 0x00, /* 2 bytes for 4 bytes alignment */
1182 ICE_DECLARE_PKT_OFFSETS(pppoe_ipv6_tcp) = {
1183 { ICE_MAC_OFOS, 0 },
1184 { ICE_ETYPE_OL, 12 },
1186 { ICE_IPV6_OFOS, 22 },
1188 { ICE_PROTOCOL_LAST, 0 },
1191 ICE_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,
1196 0x88, 0x64, /* ICE_ETYPE_OL 12 */
1198 0x11, 0x00, 0x00, 0x00, /* ICE_PPPOE 14 */
1201 0x00, 0x57, /* PPP Link Layer 20 */
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,
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,
1220 0x00, 0x00, /* 2 bytes for 4 bytes alignment */
1223 ICE_DECLARE_PKT_OFFSETS(pppoe_ipv6_udp) = {
1224 { ICE_MAC_OFOS, 0 },
1225 { ICE_ETYPE_OL, 12 },
1227 { ICE_IPV6_OFOS, 22 },
1228 { ICE_UDP_ILOS, 62 },
1229 { ICE_PROTOCOL_LAST, 0 },
1232 ICE_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,
1237 0x88, 0x64, /* ICE_ETYPE_OL 12 */
1239 0x11, 0x00, 0x00, 0x00, /* ICE_PPPOE 14 */
1242 0x00, 0x57, /* PPP Link Layer 20 */
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,
1255 0x00, 0x00, 0x00, 0x00, /* ICE_UDP_ILOS 62 */
1256 0x00, 0x08, 0x00, 0x00,
1258 0x00, 0x00, /* 2 bytes for 4 bytes alignment */
1261 ICE_DECLARE_PKT_OFFSETS(ipv4_l2tpv3) = {
1262 { ICE_MAC_OFOS, 0 },
1263 { ICE_ETYPE_OL, 12 },
1264 { ICE_IPV4_OFOS, 14 },
1266 { ICE_PROTOCOL_LAST, 0 },
1269 ICE_DECLARE_PKT_TEMPLATE(ipv4_l2tpv3) = {
1270 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
1271 0x00, 0x00, 0x00, 0x00,
1272 0x00, 0x00, 0x00, 0x00,
1274 0x08, 0x00, /* ICE_ETYPE_OL 12 */
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,
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 */
1288 ICE_DECLARE_PKT_OFFSETS(ipv6_l2tpv3) = {
1289 { ICE_MAC_OFOS, 0 },
1290 { ICE_ETYPE_OL, 12 },
1291 { ICE_IPV6_OFOS, 14 },
1293 { ICE_PROTOCOL_LAST, 0 },
1296 ICE_DECLARE_PKT_TEMPLATE(ipv6_l2tpv3) = {
1297 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
1298 0x00, 0x00, 0x00, 0x00,
1299 0x00, 0x00, 0x00, 0x00,
1301 0x86, 0xDD, /* ICE_ETYPE_OL 12 */
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,
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 */
1320 static const struct ice_dummy_pkt_profile ice_dummy_pkt_profiles[] = {
1321 ICE_PKT_PROFILE(ipv6_gtp, ICE_PKT_TUN_GTPU | ICE_PKT_OUTER_IPV6 |
1323 ICE_PKT_PROFILE(ipv6_gtpu_ipv6_udp, ICE_PKT_TUN_GTPU |
1324 ICE_PKT_OUTER_IPV6 |
1325 ICE_PKT_INNER_IPV6 |
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 |
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 |
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 |
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),
1346 ICE_PKT_PROFILE(pppoe_ipv6_udp, ICE_PKT_PPPOE | ICE_PKT_OUTER_IPV6 |
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),
1351 ICE_PKT_PROFILE(gre_ipv6_tcp, ICE_PKT_TUN_NVGRE | ICE_PKT_INNER_IPV6 |
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 |
1359 ICE_PKT_PROFILE(ipv6_l2tpv3, ICE_PKT_L2TPV3 | ICE_PKT_OUTER_IPV6),
1360 ICE_PKT_PROFILE(ipv4_l2tpv3, ICE_PKT_L2TPV3),
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),
1365 ICE_PKT_PROFILE(udp_ipv6, ICE_PKT_OUTER_IPV6 | ICE_PKT_INNER_UDP),
1366 ICE_PKT_PROFILE(udp, ICE_PKT_INNER_UDP),
1367 ICE_PKT_PROFILE(tcp_ipv6, ICE_PKT_OUTER_IPV6),
1368 ICE_PKT_PROFILE(tcp, 0),
1371 /* this is a recipe to profile association bitmap */
1372 static DECLARE_BITMAP(recipe_to_profile[ICE_MAX_NUM_RECIPES],
1373 ICE_MAX_NUM_PROFILES);
1375 /* this is a profile to recipe association bitmap */
1376 static DECLARE_BITMAP(profile_to_recipe[ICE_MAX_NUM_PROFILES],
1377 ICE_MAX_NUM_RECIPES);
1380 * ice_init_def_sw_recp - initialize the recipe book keeping tables
1381 * @hw: pointer to the HW struct
1383 * Allocate memory for the entire recipe table and initialize the structures/
1384 * entries corresponding to basic recipes.
1386 int ice_init_def_sw_recp(struct ice_hw *hw)
1388 struct ice_sw_recipe *recps;
1391 recps = devm_kcalloc(ice_hw_to_dev(hw), ICE_MAX_NUM_RECIPES,
1392 sizeof(*recps), GFP_KERNEL);
1396 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
1397 recps[i].root_rid = i;
1398 INIT_LIST_HEAD(&recps[i].filt_rules);
1399 INIT_LIST_HEAD(&recps[i].filt_replay_rules);
1400 INIT_LIST_HEAD(&recps[i].rg_list);
1401 mutex_init(&recps[i].filt_rule_lock);
1404 hw->switch_info->recp_list = recps;
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
1418 * Get switch configuration (0x0200) to be placed in buf.
1419 * This admin command returns information such as initial VSI/port number
1420 * and switch ID it belongs to.
1422 * NOTE: *req_desc is both an input/output parameter.
1423 * The caller of this function first calls this function with *request_desc set
1424 * to 0. If the response from f/w has *req_desc set to 0, all the switch
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.
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.
1435 ice_aq_get_sw_cfg(struct ice_hw *hw, struct ice_aqc_get_sw_cfg_resp_elem *buf,
1436 u16 buf_size, u16 *req_desc, u16 *num_elems,
1437 struct ice_sq_cd *cd)
1439 struct ice_aqc_get_sw_cfg *cmd;
1440 struct ice_aq_desc desc;
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);
1447 status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
1449 *req_desc = le16_to_cpu(cmd->element);
1450 *num_elems = le16_to_cpu(cmd->num_elems);
1458 * @hw: pointer to the HW struct
1459 * @vsi_ctx: pointer to a VSI context struct
1460 * @cd: pointer to command details structure or NULL
1462 * Add a VSI context to the hardware (0x0210)
1465 ice_aq_add_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx,
1466 struct ice_sq_cd *cd)
1468 struct ice_aqc_add_update_free_vsi_resp *res;
1469 struct ice_aqc_add_get_update_free_vsi *cmd;
1470 struct ice_aq_desc desc;
1473 cmd = &desc.params.vsi_cmd;
1474 res = &desc.params.add_update_free_vsi_res;
1476 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_vsi);
1478 if (!vsi_ctx->alloc_from_pool)
1479 cmd->vsi_num = cpu_to_le16(vsi_ctx->vsi_num |
1480 ICE_AQ_VSI_IS_VALID);
1481 cmd->vf_id = vsi_ctx->vf_num;
1483 cmd->vsi_flags = cpu_to_le16(vsi_ctx->flags);
1485 desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD);
1487 status = ice_aq_send_cmd(hw, &desc, &vsi_ctx->info,
1488 sizeof(vsi_ctx->info), cd);
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);
1501 * @hw: pointer to the HW struct
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
1506 * Free VSI context info from hardware (0x0213)
1509 ice_aq_free_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx,
1510 bool keep_vsi_alloc, struct ice_sq_cd *cd)
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;
1517 cmd = &desc.params.vsi_cmd;
1518 resp = &desc.params.add_update_free_vsi_res;
1520 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_free_vsi);
1522 cmd->vsi_num = cpu_to_le16(vsi_ctx->vsi_num | ICE_AQ_VSI_IS_VALID);
1524 cmd->cmd_flags = cpu_to_le16(ICE_AQ_VSI_KEEP_ALLOC);
1526 status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
1528 vsi_ctx->vsis_allocd = le16_to_cpu(resp->vsi_used);
1529 vsi_ctx->vsis_unallocated = le16_to_cpu(resp->vsi_free);
1537 * @hw: pointer to the HW struct
1538 * @vsi_ctx: pointer to a VSI context struct
1539 * @cd: pointer to command details structure or NULL
1541 * Update VSI context in the hardware (0x0211)
1544 ice_aq_update_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx,
1545 struct ice_sq_cd *cd)
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;
1552 cmd = &desc.params.vsi_cmd;
1553 resp = &desc.params.add_update_free_vsi_res;
1555 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_update_vsi);
1557 cmd->vsi_num = cpu_to_le16(vsi_ctx->vsi_num | ICE_AQ_VSI_IS_VALID);
1559 desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD);
1561 status = ice_aq_send_cmd(hw, &desc, &vsi_ctx->info,
1562 sizeof(vsi_ctx->info), cd);
1565 vsi_ctx->vsis_allocd = le16_to_cpu(resp->vsi_used);
1566 vsi_ctx->vsis_unallocated = le16_to_cpu(resp->vsi_free);
1573 * ice_is_vsi_valid - check whether the VSI is valid or not
1574 * @hw: pointer to the HW struct
1575 * @vsi_handle: VSI handle
1577 * check whether the VSI is valid or not
1579 bool ice_is_vsi_valid(struct ice_hw *hw, u16 vsi_handle)
1581 return vsi_handle < ICE_MAX_VSI && hw->vsi_ctx[vsi_handle];
1585 * ice_get_hw_vsi_num - return the HW VSI number
1586 * @hw: pointer to the HW struct
1587 * @vsi_handle: VSI handle
1589 * return the HW VSI number
1590 * Caution: call this function only if VSI is valid (ice_is_vsi_valid)
1592 u16 ice_get_hw_vsi_num(struct ice_hw *hw, u16 vsi_handle)
1594 return hw->vsi_ctx[vsi_handle]->vsi_num;
1598 * ice_get_vsi_ctx - return the VSI context entry for a given VSI handle
1599 * @hw: pointer to the HW struct
1600 * @vsi_handle: VSI handle
1602 * return the VSI context entry for a given VSI handle
1604 struct ice_vsi_ctx *ice_get_vsi_ctx(struct ice_hw *hw, u16 vsi_handle)
1606 return (vsi_handle >= ICE_MAX_VSI) ? NULL : hw->vsi_ctx[vsi_handle];
1610 * ice_save_vsi_ctx - save the VSI context for a given VSI handle
1611 * @hw: pointer to the HW struct
1612 * @vsi_handle: VSI handle
1613 * @vsi: VSI context pointer
1615 * save the VSI context entry for a given VSI handle
1618 ice_save_vsi_ctx(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi)
1620 hw->vsi_ctx[vsi_handle] = vsi;
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
1628 static void ice_clear_vsi_q_ctx(struct ice_hw *hw, u16 vsi_handle)
1630 struct ice_vsi_ctx *vsi = ice_get_vsi_ctx(hw, vsi_handle);
1635 ice_for_each_traffic_class(i) {
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;
1644 * ice_clear_vsi_ctx - clear the VSI context entry
1645 * @hw: pointer to the HW struct
1646 * @vsi_handle: VSI handle
1648 * clear the VSI context entry
1650 static void ice_clear_vsi_ctx(struct ice_hw *hw, u16 vsi_handle)
1652 struct ice_vsi_ctx *vsi;
1654 vsi = ice_get_vsi_ctx(hw, vsi_handle);
1656 ice_clear_vsi_q_ctx(hw, vsi_handle);
1657 devm_kfree(ice_hw_to_dev(hw), vsi);
1658 hw->vsi_ctx[vsi_handle] = NULL;
1663 * ice_clear_all_vsi_ctx - clear all the VSI context entries
1664 * @hw: pointer to the HW struct
1666 void ice_clear_all_vsi_ctx(struct ice_hw *hw)
1670 for (i = 0; i < ICE_MAX_VSI; i++)
1671 ice_clear_vsi_ctx(hw, i);
1675 * ice_add_vsi - add VSI context to the hardware and VSI handle list
1676 * @hw: pointer to the HW struct
1677 * @vsi_handle: unique VSI handle provided by drivers
1678 * @vsi_ctx: pointer to a VSI context struct
1679 * @cd: pointer to command details structure or NULL
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.
1686 ice_add_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,
1687 struct ice_sq_cd *cd)
1689 struct ice_vsi_ctx *tmp_vsi_ctx;
1692 if (vsi_handle >= ICE_MAX_VSI)
1694 status = ice_aq_add_vsi(hw, vsi_ctx, cd);
1697 tmp_vsi_ctx = ice_get_vsi_ctx(hw, vsi_handle);
1699 /* Create a new VSI context */
1700 tmp_vsi_ctx = devm_kzalloc(ice_hw_to_dev(hw),
1701 sizeof(*tmp_vsi_ctx), GFP_KERNEL);
1703 ice_aq_free_vsi(hw, vsi_ctx, false, cd);
1706 *tmp_vsi_ctx = *vsi_ctx;
1707 ice_save_vsi_ctx(hw, vsi_handle, tmp_vsi_ctx);
1709 /* update with new HW VSI num */
1710 tmp_vsi_ctx->vsi_num = vsi_ctx->vsi_num;
1717 * ice_free_vsi- free VSI context from hardware and VSI handle list
1718 * @hw: pointer to the HW struct
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
1724 * Free VSI context info from hardware as well as from VSI handle list
1727 ice_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)
1732 if (!ice_is_vsi_valid(hw, vsi_handle))
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);
1737 ice_clear_vsi_ctx(hw, vsi_handle);
1743 * @hw: pointer to the HW struct
1744 * @vsi_handle: unique VSI handle
1745 * @vsi_ctx: pointer to a VSI context struct
1746 * @cd: pointer to command details structure or NULL
1748 * Update VSI context in the hardware
1751 ice_update_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,
1752 struct ice_sq_cd *cd)
1754 if (!ice_is_vsi_valid(hw, vsi_handle))
1756 vsi_ctx->vsi_num = ice_get_hw_vsi_num(hw, vsi_handle);
1757 return ice_aq_update_vsi(hw, vsi_ctx, cd);
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
1767 ice_cfg_rdma_fltr(struct ice_hw *hw, u16 vsi_handle, bool enable)
1769 struct ice_vsi_ctx *ctx, *cached_ctx;
1772 cached_ctx = ice_get_vsi_ctx(hw, vsi_handle);
1776 ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
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;
1784 ctx->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_Q_OPT_VALID);
1787 ctx->info.q_opt_flags |= ICE_AQ_VSI_Q_OPT_PE_FLTR_EN;
1789 ctx->info.q_opt_flags &= ~ICE_AQ_VSI_Q_OPT_PE_FLTR_EN;
1791 status = ice_update_vsi(hw, vsi_handle, ctx, NULL);
1793 cached_ctx->info.q_opt_flags = ctx->info.q_opt_flags;
1794 cached_ctx->info.valid_sections |= ctx->info.valid_sections;
1802 * ice_aq_alloc_free_vsi_list
1803 * @hw: pointer to the HW struct
1804 * @vsi_list_id: VSI list ID returned or used for lookup
1805 * @lkup_type: switch rule filter lookup type
1806 * @opc: switch rules population command type - pass in the command opcode
1808 * allocates or free a VSI list resource
1811 ice_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)
1815 DEFINE_RAW_FLEX(struct ice_aqc_alloc_free_res_elem, sw_buf, elem, 1);
1816 u16 buf_len = __struct_size(sw_buf);
1817 struct ice_aqc_res_elem *vsi_ele;
1820 sw_buf->num_elems = cpu_to_le16(1);
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 ||
1827 lkup_type == ICE_SW_LKUP_PROMISC_VLAN ||
1828 lkup_type == ICE_SW_LKUP_DFLT) {
1829 sw_buf->res_type = cpu_to_le16(ICE_AQC_RES_TYPE_VSI_LIST_REP);
1830 } else if (lkup_type == ICE_SW_LKUP_VLAN) {
1831 if (opc == ice_aqc_opc_alloc_res)
1833 cpu_to_le16(ICE_AQC_RES_TYPE_VSI_LIST_PRUNE |
1834 ICE_AQC_RES_TYPE_FLAG_SHARED);
1837 cpu_to_le16(ICE_AQC_RES_TYPE_VSI_LIST_PRUNE);
1842 if (opc == ice_aqc_opc_free_res)
1843 sw_buf->elem[0].e.sw_resp = cpu_to_le16(*vsi_list_id);
1845 status = ice_aq_alloc_free_res(hw, sw_buf, buf_len, opc);
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);
1858 * ice_aq_sw_rules - add/update/remove switch rules
1859 * @hw: pointer to the HW struct
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
1866 * Add(0x02a0)/Update(0x02a1)/Remove(0x02a2) switch rules commands to firmware
1869 ice_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)
1872 struct ice_aq_desc desc;
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)
1880 ice_fill_dflt_direct_cmd_desc(&desc, opc);
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);
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)
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
1903 ice_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)
1907 struct ice_aqc_add_get_recipe *cmd;
1908 struct ice_aq_desc desc;
1911 cmd = &desc.params.add_get_recipe;
1912 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_recipe);
1914 cmd->num_sub_recipes = cpu_to_le16(num_recipes);
1915 desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD);
1917 buf_size = num_recipes * sizeof(*s_recipe_list);
1919 return ice_aq_send_cmd(hw, &desc, s_recipe_list, buf_size, cd);
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
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
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.
1940 ice_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)
1944 struct ice_aqc_add_get_recipe *cmd;
1945 struct ice_aq_desc desc;
1949 if (*num_recipes != ICE_MAX_NUM_RECIPES)
1952 cmd = &desc.params.add_get_recipe;
1953 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_recipe);
1955 cmd->return_index = cpu_to_le16(recipe_root);
1956 cmd->num_sub_recipes = 0;
1958 buf_size = *num_recipes * sizeof(*s_recipe_list);
1960 status = ice_aq_send_cmd(hw, &desc, s_recipe_list, buf_size, cd);
1961 *num_recipes = le16_to_cpu(cmd->num_sub_recipes);
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
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.
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.
1980 ice_update_recipe_lkup_idx(struct ice_hw *hw,
1981 struct ice_update_recipe_lkup_idx_params *params)
1983 struct ice_aqc_recipe_data_elem *rcp_list;
1984 u16 num_recps = ICE_MAX_NUM_RECIPES;
1987 rcp_list = kcalloc(num_recps, sizeof(*rcp_list), GFP_KERNEL);
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);
1995 ice_debug(hw, ICE_DBG_SW, "Failed to get recipe %d, status %d\n",
1996 params->rid, status);
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
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);
2008 if (params->ignore_valid)
2009 rcp_list->content.lkup_indx[params->lkup_idx] |=
2010 ICE_AQ_RECIPE_LKUP_IGNORE;
2012 status = ice_aq_add_recipe(hw, &rcp_list[0], 1, NULL);
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",
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
2028 * @r_assoc: Recipe bitmap filled in and need to be returned as response
2029 * @cd: pointer to command details structure or NULL
2030 * Recipe to profile association (0x0291)
2033 ice_aq_map_recipe_to_profile(struct ice_hw *hw, u32 profile_id, u64 r_assoc,
2034 struct ice_sq_cd *cd)
2036 struct ice_aqc_recipe_to_profile *cmd;
2037 struct ice_aq_desc desc;
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
2045 cmd->recipe_assoc = cpu_to_le64(r_assoc);
2047 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
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
2054 * @r_assoc: Recipe bitmap filled in and need to be returned as response
2055 * @cd: pointer to command details structure or NULL
2056 * Associate profile ID with given recipe (0x0293)
2059 ice_aq_get_recipe_to_profile(struct ice_hw *hw, u32 profile_id, u64 *r_assoc,
2060 struct ice_sq_cd *cd)
2062 struct ice_aqc_recipe_to_profile *cmd;
2063 struct ice_aq_desc desc;
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);
2070 status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
2072 *r_assoc = le64_to_cpu(cmd->recipe_assoc);
2078 * ice_alloc_recipe - add recipe resource
2079 * @hw: pointer to the hardware structure
2080 * @rid: recipe ID returned as response to AQ call
2082 int ice_alloc_recipe(struct ice_hw *hw, u16 *rid)
2084 DEFINE_RAW_FLEX(struct ice_aqc_alloc_free_res_elem, sw_buf, elem, 1);
2085 u16 buf_len = __struct_size(sw_buf);
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);
2092 status = ice_aq_alloc_free_res(hw, sw_buf, buf_len,
2093 ice_aqc_opc_alloc_res);
2095 *rid = le16_to_cpu(sw_buf->elem[0].e.sw_resp);
2101 * ice_get_recp_to_prof_map - updates recipe to profile mapping
2102 * @hw: pointer to hardware structure
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.
2108 static void ice_get_recp_to_prof_map(struct ice_hw *hw)
2110 DECLARE_BITMAP(r_bitmap, ICE_MAX_NUM_RECIPES);
2114 for (i = 0; i < hw->switch_info->max_used_prof_index + 1; i++) {
2117 bitmap_zero(profile_to_recipe[i], ICE_MAX_NUM_RECIPES);
2118 bitmap_zero(r_bitmap, ICE_MAX_NUM_RECIPES);
2119 if (ice_aq_get_recipe_to_profile(hw, i, &recp_assoc, NULL))
2121 bitmap_from_arr64(r_bitmap, &recp_assoc, ICE_MAX_NUM_RECIPES);
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]);
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
2135 ice_collect_result_idx(struct ice_aqc_recipe_data_elem *buf,
2136 struct ice_sw_recipe *recp)
2138 if (buf->content.result_indx & ICE_AQ_RECIPE_RESULT_EN)
2139 set_bit(buf->content.result_indx & ~ICE_AQ_RECIPE_RESULT_EN,
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
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.
2155 ice_get_recp_frm_fw(struct ice_hw *hw, struct ice_sw_recipe *recps, u8 rid,
2156 bool *refresh_required)
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;
2166 bitmap_zero(result_bm, ICE_MAX_FV_WORDS);
2168 /* we need a buffer big enough to accommodate all the recipes */
2169 tmp = kcalloc(ICE_MAX_NUM_RECIPES, sizeof(*tmp), GFP_KERNEL);
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 */
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
2187 if (*refresh_required) {
2188 ice_get_recp_to_prof_map(hw);
2189 *refresh_required = false;
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
2196 lkup_exts = &recps[rid].lkup_exts;
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;
2205 rg_entry = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*rg_entry),
2212 idx = root_bufs.recipe_indx;
2213 is_root = root_bufs.content.rid & ICE_AQ_RECIPE_ID_IS_ROOT;
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,
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];
2226 rg_entry->fv_idx[i] = lkup_indx;
2227 rg_entry->fv_mask[i] =
2228 le16_to_cpu(root_bufs.content.mask[i + 1]);
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.
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)
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];
2252 /* populate rg_list with the data from the child entry of this
2255 list_add(&rg_entry->l_entry, &recps[rid].rg_list);
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;
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;
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);
2270 recps[idx].chain_idx = ICE_INVAL_CHAIN_IND;
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;
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),
2291 if (!recps[rid].root_buf) {
2296 /* Copy result indexes */
2297 bitmap_copy(recps[rid].res_idxs, result_bm, ICE_MAX_FV_WORDS);
2298 recps[rid].recp_created = true;
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
2314 ice_init_port_info(struct ice_port_info *pi, u16 vsi_port_num, u8 type,
2315 u16 swid, u16 pf_vf_num, bool is_vf)
2318 case ICE_AQC_GET_SW_CONF_RESP_PHYS_PORT:
2319 pi->lport = (u8)(vsi_port_num & ICE_LPORT_MASK);
2321 pi->pf_vf_num = pf_vf_num;
2325 ice_debug(pi->hw, ICE_DBG_SW, "incorrect VSI/port type received\n");
2330 /* ice_get_initial_sw_cfg - Get initial port and default VSI data
2331 * @hw: pointer to the hardware structure
2333 int ice_get_initial_sw_cfg(struct ice_hw *hw)
2335 struct ice_aqc_get_sw_cfg_resp_elem *rbuf;
2341 rbuf = kzalloc(ICE_SW_CFG_MAX_BUF_LEN, GFP_KERNEL);
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
2351 struct ice_aqc_get_sw_cfg_resp_elem *ele;
2353 status = ice_aq_get_sw_cfg(hw, rbuf, ICE_SW_CFG_MAX_BUF_LEN,
2354 &req_desc, &num_elems, NULL);
2359 for (i = 0, ele = rbuf; i < num_elems; i++, ele++) {
2360 u16 pf_vf_num, swid, vsi_port_num;
2364 vsi_port_num = le16_to_cpu(ele->vsi_port_num) &
2365 ICE_AQC_GET_SW_CONF_RESP_VSI_PORT_NUM_M;
2367 pf_vf_num = le16_to_cpu(ele->pf_vf_num) &
2368 ICE_AQC_GET_SW_CONF_RESP_FUNC_NUM_M;
2370 swid = le16_to_cpu(ele->swid);
2372 if (le16_to_cpu(ele->pf_vf_num) &
2373 ICE_AQC_GET_SW_CONF_RESP_IS_VF)
2376 res_type = (u8)(le16_to_cpu(ele->vsi_port_num) >>
2377 ICE_AQC_GET_SW_CONF_RESP_TYPE_S);
2379 if (res_type == ICE_AQC_GET_SW_CONF_RESP_VSI) {
2380 /* FW VSI is not needed. Just continue. */
2384 ice_init_port_info(hw->port_info, vsi_port_num,
2385 res_type, swid, pf_vf_num, is_vf);
2387 } while (req_desc && !status);
2394 * ice_fill_sw_info - Helper function to populate lb_en and lan_en
2395 * @hw: pointer to the hardware structure
2396 * @fi: filter info structure to fill/update
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.
2402 static void ice_fill_sw_info(struct ice_hw *hw, struct ice_fltr_info *fi)
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)) {
2411 /* Setting LB for prune actions will result in replicated
2412 * packets to the internal switch that will be dropped.
2414 if (fi->lkup_type != ICE_SW_LKUP_VLAN)
2417 /* Set lan_en to TRUE if
2418 * 1. The switch is a VEB AND
2420 * 2.1 The lookup is a directional lookup like ethertype,
2421 * promiscuous, ethertype-MAC, promiscuous-VLAN
2422 * and default-port OR
2423 * 2.2 The lookup is VLAN, OR
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.
2429 * The switch is a VEPA.
2431 * In all other cases, the LAN enable has to be set to false.
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 ||
2438 fi->lkup_type == ICE_SW_LKUP_DFLT ||
2439 fi->lkup_type == ICE_SW_LKUP_VLAN ||
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)))
2452 * ice_fill_eth_hdr - helper to copy dummy_eth_hdr into supplied buffer
2453 * @eth_hdr: pointer to buffer to populate
2455 void ice_fill_eth_hdr(u8 *eth_hdr)
2457 memcpy(eth_hdr, dummy_eth_header, DUMMY_ETH_HDR_LEN);
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
2468 ice_fill_sw_rule(struct ice_hw *hw, struct ice_fltr_info *f_info,
2469 struct ice_sw_rule_lkup_rx_tx *s_rule,
2470 enum ice_adminq_opc opc)
2472 u16 vlan_id = ICE_MAX_VLAN_ID + 1;
2473 u16 vlan_tpid = ETH_P_8021Q;
2481 if (opc == ice_aqc_opc_remove_sw_rules) {
2483 s_rule->index = cpu_to_le16(f_info->fltr_rule_id);
2484 s_rule->hdr_len = 0;
2488 eth_hdr_sz = sizeof(dummy_eth_header);
2489 eth_hdr = s_rule->hdr_data;
2491 /* initialize the ether header with a dummy header */
2492 memcpy(eth_hdr, dummy_eth_header, eth_hdr_sz);
2493 ice_fill_sw_info(hw, f_info);
2495 switch (f_info->fltr_act) {
2496 case ICE_FWD_TO_VSI:
2497 act |= FIELD_PREP(ICE_SINGLE_ACT_VSI_ID_M,
2498 f_info->fwd_id.hw_vsi_id);
2499 if (f_info->lkup_type != ICE_SW_LKUP_VLAN)
2500 act |= ICE_SINGLE_ACT_VSI_FORWARDING |
2501 ICE_SINGLE_ACT_VALID_BIT;
2503 case ICE_FWD_TO_VSI_LIST:
2504 act |= ICE_SINGLE_ACT_VSI_LIST;
2505 act |= FIELD_PREP(ICE_SINGLE_ACT_VSI_LIST_ID_M,
2506 f_info->fwd_id.vsi_list_id);
2507 if (f_info->lkup_type != ICE_SW_LKUP_VLAN)
2508 act |= ICE_SINGLE_ACT_VSI_FORWARDING |
2509 ICE_SINGLE_ACT_VALID_BIT;
2512 act |= ICE_SINGLE_ACT_TO_Q;
2513 act |= FIELD_PREP(ICE_SINGLE_ACT_Q_INDEX_M,
2514 f_info->fwd_id.q_id);
2516 case ICE_DROP_PACKET:
2517 act |= ICE_SINGLE_ACT_VSI_FORWARDING | ICE_SINGLE_ACT_DROP |
2518 ICE_SINGLE_ACT_VALID_BIT;
2520 case ICE_FWD_TO_QGRP:
2521 q_rgn = f_info->qgrp_size > 0 ?
2522 (u8)ilog2(f_info->qgrp_size) : 0;
2523 act |= ICE_SINGLE_ACT_TO_Q;
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);
2533 act |= ICE_SINGLE_ACT_LB_ENABLE;
2535 act |= ICE_SINGLE_ACT_LAN_ENABLE;
2537 switch (f_info->lkup_type) {
2538 case ICE_SW_LKUP_MAC:
2539 daddr = f_info->l_data.mac.mac_addr;
2541 case ICE_SW_LKUP_VLAN:
2542 vlan_id = f_info->l_data.vlan.vlan_id;
2543 if (f_info->l_data.vlan.tpid_valid)
2544 vlan_tpid = f_info->l_data.vlan.tpid;
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;
2551 case ICE_SW_LKUP_ETHERTYPE_MAC:
2552 daddr = f_info->l_data.ethertype_mac.mac_addr;
2554 case ICE_SW_LKUP_ETHERTYPE:
2555 off = (__force __be16 *)(eth_hdr + ICE_ETH_ETHTYPE_OFFSET);
2556 *off = cpu_to_be16(f_info->l_data.ethertype_mac.ethertype);
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;
2562 case ICE_SW_LKUP_PROMISC_VLAN:
2563 vlan_id = f_info->l_data.mac_vlan.vlan_id;
2565 case ICE_SW_LKUP_PROMISC:
2566 daddr = f_info->l_data.mac_vlan.mac_addr;
2572 s_rule->hdr.type = (f_info->flag & ICE_FLTR_RX) ?
2573 cpu_to_le16(ICE_AQC_SW_RULES_T_LKUP_RX) :
2574 cpu_to_le16(ICE_AQC_SW_RULES_T_LKUP_TX);
2576 /* Recipe set depending on lookup type */
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);
2582 ether_addr_copy(eth_hdr + ICE_ETH_DA_OFFSET, daddr);
2584 if (!(vlan_id > ICE_MAX_VLAN_ID)) {
2585 off = (__force __be16 *)(eth_hdr + ICE_ETH_VLAN_TCI_OFFSET);
2586 *off = cpu_to_be16(vlan_id);
2587 off = (__force __be16 *)(eth_hdr + ICE_ETH_ETHTYPE_OFFSET);
2588 *off = cpu_to_be16(vlan_tpid);
2591 /* Create the switch rule with the final dummy Ethernet header */
2592 if (opc != ice_aqc_opc_update_sw_rules)
2593 s_rule->hdr_len = cpu_to_le16(eth_hdr_sz);
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
2601 * @l_id: large action resource ID
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
2607 ice_add_marker_act(struct ice_hw *hw, struct ice_fltr_mgmt_list_entry *m_ent,
2608 u16 sw_marker, u16 l_id)
2610 struct ice_sw_rule_lkup_rx_tx *rx_tx;
2611 struct ice_sw_rule_lg_act *lg_act;
2612 /* For software marker we need 3 large actions
2613 * 1. FWD action: FWD TO VSI or VSI LIST
2614 * 2. GENERIC VALUE action to hold the profile ID
2615 * 3. GENERIC VALUE action to hold the software marker ID
2617 const u16 num_lg_acts = 3;
2624 if (m_ent->fltr_info.lkup_type != ICE_SW_LKUP_MAC)
2627 /* Create two back-to-back switch rules and submit them to the HW using
2628 * one memory buffer:
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);
2634 lg_act = devm_kzalloc(ice_hw_to_dev(hw), rules_size, GFP_KERNEL);
2638 rx_tx = (typeof(rx_tx))((u8 *)lg_act + lg_act_size);
2640 /* Fill in the first switch rule i.e. large action */
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);
2645 /* First action VSI forwarding or VSI list forwarding depending on how
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;
2651 act = ICE_LG_ACT_VSI_FORWARDING | ICE_LG_ACT_VALID_BIT;
2652 act |= FIELD_PREP(ICE_LG_ACT_VSI_LIST_ID_M, id);
2653 if (m_ent->vsi_count > 1)
2654 act |= ICE_LG_ACT_VSI_LIST;
2655 lg_act->act[0] = cpu_to_le32(act);
2657 /* Second action descriptor type */
2658 act = ICE_LG_ACT_GENERIC;
2660 act |= FIELD_PREP(ICE_LG_ACT_GENERIC_VALUE_M, 1);
2661 lg_act->act[1] = cpu_to_le32(act);
2663 act = FIELD_PREP(ICE_LG_ACT_GENERIC_OFFSET_M,
2664 ICE_LG_ACT_GENERIC_OFF_RX_DESC_PROF_IDX);
2666 /* Third action Marker value */
2667 act |= ICE_LG_ACT_GENERIC;
2668 act |= FIELD_PREP(ICE_LG_ACT_GENERIC_VALUE_M, sw_marker);
2670 lg_act->act[2] = cpu_to_le32(act);
2672 /* call the fill switch rule to fill the lookup Tx Rx structure */
2673 ice_fill_sw_rule(hw, &m_ent->fltr_info, rx_tx,
2674 ice_aqc_opc_update_sw_rules);
2676 /* Update the action to point to the large action ID */
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);
2681 /* Use the filter rule ID of the previously created rule with single
2682 * act. Once the update happens, hardware will treat this as large
2685 rx_tx->index = cpu_to_le16(m_ent->fltr_info.fltr_rule_id);
2687 status = ice_aq_sw_rules(hw, lg_act, rules_size, 2,
2688 ice_aqc_opc_update_sw_rules, NULL);
2690 m_ent->lg_act_idx = l_id;
2691 m_ent->sw_marker_id = sw_marker;
2694 devm_kfree(ice_hw_to_dev(hw), lg_act);
2699 * ice_create_vsi_list_map
2700 * @hw: pointer to the hardware structure
2701 * @vsi_handle_arr: array of VSI handles to set in the VSI mapping
2702 * @num_vsi: number of VSI handles in the array
2703 * @vsi_list_id: VSI list ID generated as part of allocate resource
2705 * Helper function to create a new entry of VSI list ID to VSI mapping
2706 * using the given VSI list ID
2708 static struct ice_vsi_list_map_info *
2709 ice_create_vsi_list_map(struct ice_hw *hw, u16 *vsi_handle_arr, u16 num_vsi,
2712 struct ice_switch_info *sw = hw->switch_info;
2713 struct ice_vsi_list_map_info *v_map;
2716 v_map = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*v_map), GFP_KERNEL);
2720 v_map->vsi_list_id = vsi_list_id;
2722 for (i = 0; i < num_vsi; i++)
2723 set_bit(vsi_handle_arr[i], v_map->vsi_map);
2725 list_add(&v_map->list_entry, &sw->vsi_list_map_head);
2730 * ice_update_vsi_list_rule
2731 * @hw: pointer to the hardware structure
2732 * @vsi_handle_arr: array of VSI handles to form a VSI list
2733 * @num_vsi: number of VSI handles in the array
2734 * @vsi_list_id: VSI list ID generated as part of allocate resource
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
2739 * Call AQ command to add a new switch rule or update existing switch rule
2740 * using the given VSI list ID
2743 ice_update_vsi_list_rule(struct ice_hw *hw, u16 *vsi_handle_arr, u16 num_vsi,
2744 u16 vsi_list_id, bool remove, enum ice_adminq_opc opc,
2745 enum ice_sw_lkup_type lkup_type)
2747 struct ice_sw_rule_vsi_list *s_rule;
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 ||
2761 lkup_type == ICE_SW_LKUP_PROMISC_VLAN ||
2762 lkup_type == ICE_SW_LKUP_DFLT)
2763 rule_type = remove ? ICE_AQC_SW_RULES_T_VSI_LIST_CLEAR :
2764 ICE_AQC_SW_RULES_T_VSI_LIST_SET;
2765 else if (lkup_type == ICE_SW_LKUP_VLAN)
2766 rule_type = remove ? ICE_AQC_SW_RULES_T_PRUNE_LIST_CLEAR :
2767 ICE_AQC_SW_RULES_T_PRUNE_LIST_SET;
2771 s_rule_size = (u16)ICE_SW_RULE_VSI_LIST_SIZE(s_rule, num_vsi);
2772 s_rule = devm_kzalloc(ice_hw_to_dev(hw), s_rule_size, GFP_KERNEL);
2775 for (i = 0; i < num_vsi; i++) {
2776 if (!ice_is_vsi_valid(hw, vsi_handle_arr[i])) {
2780 /* AQ call requires hw_vsi_id(s) */
2782 cpu_to_le16(ice_get_hw_vsi_num(hw, vsi_handle_arr[i]));
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);
2789 status = ice_aq_sw_rules(hw, s_rule, s_rule_size, 1, opc, NULL);
2792 devm_kfree(ice_hw_to_dev(hw), s_rule);
2797 * ice_create_vsi_list_rule - Creates and populates a VSI list rule
2798 * @hw: pointer to the HW struct
2799 * @vsi_handle_arr: array of VSI handles to form a VSI list
2800 * @num_vsi: number of VSI handles in the array
2801 * @vsi_list_id: stores the ID of the VSI list to be created
2802 * @lkup_type: switch rule filter's lookup type
2805 ice_create_vsi_list_rule(struct ice_hw *hw, u16 *vsi_handle_arr, u16 num_vsi,
2806 u16 *vsi_list_id, enum ice_sw_lkup_type lkup_type)
2810 status = ice_aq_alloc_free_vsi_list(hw, vsi_list_id, lkup_type,
2811 ice_aqc_opc_alloc_res);
2815 /* Update the newly created VSI list to include the specified VSIs */
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);
2822 * ice_create_pkt_fwd_rule
2823 * @hw: pointer to the hardware structure
2824 * @f_entry: entry containing packet forwarding information
2826 * Create switch rule with given filter information and add an entry
2827 * to the corresponding filter management list to track this switch rule
2831 ice_create_pkt_fwd_rule(struct ice_hw *hw,
2832 struct ice_fltr_list_entry *f_entry)
2834 struct ice_fltr_mgmt_list_entry *fm_entry;
2835 struct ice_sw_rule_lkup_rx_tx *s_rule;
2836 enum ice_sw_lkup_type l_type;
2837 struct ice_sw_recipe *recp;
2840 s_rule = devm_kzalloc(ice_hw_to_dev(hw),
2841 ICE_SW_RULE_RX_TX_ETH_HDR_SIZE(s_rule),
2845 fm_entry = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*fm_entry),
2849 goto ice_create_pkt_fwd_rule_exit;
2852 fm_entry->fltr_info = f_entry->fltr_info;
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;
2860 ice_fill_sw_rule(hw, &fm_entry->fltr_info, s_rule,
2861 ice_aqc_opc_add_sw_rules);
2863 status = ice_aq_sw_rules(hw, s_rule,
2864 ICE_SW_RULE_RX_TX_ETH_HDR_SIZE(s_rule), 1,
2865 ice_aqc_opc_add_sw_rules, NULL);
2867 devm_kfree(ice_hw_to_dev(hw), fm_entry);
2868 goto ice_create_pkt_fwd_rule_exit;
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);
2874 /* The book keeping entries will get removed when base driver
2875 * calls remove filter AQ command
2877 l_type = fm_entry->fltr_info.lkup_type;
2878 recp = &hw->switch_info->recp_list[l_type];
2879 list_add(&fm_entry->list_entry, &recp->filt_rules);
2881 ice_create_pkt_fwd_rule_exit:
2882 devm_kfree(ice_hw_to_dev(hw), s_rule);
2887 * ice_update_pkt_fwd_rule
2888 * @hw: pointer to the hardware structure
2889 * @f_info: filter information for switch rule
2891 * Call AQ command to update a previously created switch rule with a
2895 ice_update_pkt_fwd_rule(struct ice_hw *hw, struct ice_fltr_info *f_info)
2897 struct ice_sw_rule_lkup_rx_tx *s_rule;
2900 s_rule = devm_kzalloc(ice_hw_to_dev(hw),
2901 ICE_SW_RULE_RX_TX_ETH_HDR_SIZE(s_rule),
2906 ice_fill_sw_rule(hw, f_info, s_rule, ice_aqc_opc_update_sw_rules);
2908 s_rule->index = cpu_to_le16(f_info->fltr_rule_id);
2910 /* Update switch rule with new rule set to forward VSI list */
2911 status = ice_aq_sw_rules(hw, s_rule,
2912 ICE_SW_RULE_RX_TX_ETH_HDR_SIZE(s_rule), 1,
2913 ice_aqc_opc_update_sw_rules, NULL);
2915 devm_kfree(ice_hw_to_dev(hw), s_rule);
2920 * ice_update_sw_rule_bridge_mode
2921 * @hw: pointer to the HW struct
2923 * Updates unicast switch filter rules based on VEB/VEPA mode
2925 int ice_update_sw_rule_bridge_mode(struct ice_hw *hw)
2927 struct ice_switch_info *sw = hw->switch_info;
2928 struct ice_fltr_mgmt_list_entry *fm_entry;
2929 struct list_head *rule_head;
2930 struct mutex *rule_lock; /* Lock to protect filter rule list */
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;
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;
2941 /* Update unicast Tx rules to reflect the selected
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);
2955 mutex_unlock(rule_lock);
2961 * ice_add_update_vsi_list
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
2967 * Call AQ command to add or update previously created VSI list with new VSI.
2969 * Helper function to do book keeping associated with adding filter information
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.)
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
2976 * newly created VSI list ID
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
2982 ice_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)
2987 u16 vsi_list_id = 0;
2990 if ((cur_fltr->fltr_act == ICE_FWD_TO_Q ||
2991 cur_fltr->fltr_act == ICE_FWD_TO_QGRP))
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))
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
3005 struct ice_fltr_info tmp_fltr;
3006 u16 vsi_handle_arr[2];
3008 /* A rule already exists with the new VSI being added */
3009 if (cur_fltr->fwd_id.hw_vsi_id == new_fltr->fwd_id.hw_vsi_id)
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,
3016 new_fltr->lkup_type);
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;
3024 /* Update the previous switch rule of "MAC forward to VSI" to
3025 * "MAC fwd to VSI list"
3027 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr);
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 =
3034 ice_create_vsi_list_map(hw, &vsi_handle_arr[0], 2,
3037 if (!m_entry->vsi_list_info)
3040 /* If this entry was large action then the large action needs
3041 * to be updated to point to FWD to VSI list
3043 if (m_entry->sw_marker_id != ICE_INVAL_SW_MARKER_ID)
3045 ice_add_marker_act(hw, m_entry,
3046 m_entry->sw_marker_id,
3047 m_entry->lg_act_idx);
3049 u16 vsi_handle = new_fltr->vsi_handle;
3050 enum ice_adminq_opc opcode;
3052 if (!m_entry->vsi_list_info)
3055 /* A rule already exists with the new VSI being added */
3056 if (test_bit(vsi_handle, m_entry->vsi_list_info->vsi_map))
3059 /* Update the previously created VSI list set with
3060 * the new VSI ID passed in
3062 vsi_list_id = cur_fltr->fwd_id.vsi_list_id;
3063 opcode = ice_aqc_opc_update_sw_rules;
3065 status = ice_update_vsi_list_rule(hw, &vsi_handle, 1,
3066 vsi_list_id, false, opcode,
3067 new_fltr->lkup_type);
3068 /* update VSI list mapping info with new VSI ID */
3070 set_bit(vsi_handle, m_entry->vsi_list_info->vsi_map);
3073 m_entry->vsi_count++;
3078 * ice_find_rule_entry - Search a rule entry
3079 * @hw: pointer to the hardware structure
3080 * @recp_id: lookup type for which the specified rule needs to be searched
3081 * @f_info: rule information
3083 * Helper function to search for a given rule entry
3084 * Returns pointer to entry storing the rule if found
3086 static struct ice_fltr_mgmt_list_entry *
3087 ice_find_rule_entry(struct ice_hw *hw, u8 recp_id, struct ice_fltr_info *f_info)
3089 struct ice_fltr_mgmt_list_entry *list_itr, *ret = NULL;
3090 struct ice_switch_info *sw = hw->switch_info;
3091 struct list_head *list_head;
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) {
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
3110 * @vsi_list_id: VSI list ID found containing vsi_handle
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.
3116 struct ice_vsi_list_map_info *
3117 ice_find_vsi_list_entry(struct ice_hw *hw, u8 recp_id, u16 vsi_handle,
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;
3125 list_head = &sw->recp_list[recp_id].filt_rules;
3126 list_for_each_entry(list_itr, list_head, list_entry) {
3127 if (list_itr->vsi_list_info) {
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;
3139 * ice_add_rule_internal - add rule for a given lookup type
3140 * @hw: pointer to the hardware structure
3141 * @recp_id: lookup type (recipe ID) for which rule has to be added
3142 * @f_entry: structure containing MAC forwarding information
3144 * Adds or updates the rule lists for a given recipe
3147 ice_add_rule_internal(struct ice_hw *hw, u8 recp_id,
3148 struct ice_fltr_list_entry *f_entry)
3150 struct ice_switch_info *sw = hw->switch_info;
3151 struct ice_fltr_info *new_fltr, *cur_fltr;
3152 struct ice_fltr_mgmt_list_entry *m_entry;
3153 struct mutex *rule_lock; /* Lock to protect filter rule list */
3156 if (!ice_is_vsi_valid(hw, f_entry->fltr_info.vsi_handle))
3158 f_entry->fltr_info.fwd_id.hw_vsi_id =
3159 ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle);
3161 rule_lock = &sw->recp_list[recp_id].filt_rule_lock;
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)
3168 new_fltr->src = f_entry->fltr_info.fwd_id.hw_vsi_id;
3170 m_entry = ice_find_rule_entry(hw, recp_id, new_fltr);
3172 mutex_unlock(rule_lock);
3173 return ice_create_pkt_fwd_rule(hw, f_entry);
3176 cur_fltr = &m_entry->fltr_info;
3177 status = ice_add_update_vsi_list(hw, m_entry, cur_fltr, new_fltr);
3178 mutex_unlock(rule_lock);
3184 * ice_remove_vsi_list_rule
3185 * @hw: pointer to the hardware structure
3186 * @vsi_list_id: VSI list ID generated as part of allocate resource
3187 * @lkup_type: switch rule filter lookup type
3189 * The VSI list should be emptied before this function is called to remove the
3193 ice_remove_vsi_list_rule(struct ice_hw *hw, u16 vsi_list_id,
3194 enum ice_sw_lkup_type lkup_type)
3196 struct ice_sw_rule_vsi_list *s_rule;
3200 s_rule_size = (u16)ICE_SW_RULE_VSI_LIST_SIZE(s_rule, 0);
3201 s_rule = devm_kzalloc(ice_hw_to_dev(hw), s_rule_size, GFP_KERNEL);
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);
3208 /* Free the vsi_list resource that we allocated. It is assumed that the
3209 * list is empty at this point.
3211 status = ice_aq_alloc_free_vsi_list(hw, &vsi_list_id, lkup_type,
3212 ice_aqc_opc_free_res);
3214 devm_kfree(ice_hw_to_dev(hw), s_rule);
3219 * ice_rem_update_vsi_list
3220 * @hw: pointer to the hardware structure
3221 * @vsi_handle: VSI handle of the VSI to remove
3222 * @fm_list: filter management entry for which the VSI list management needs to
3226 ice_rem_update_vsi_list(struct ice_hw *hw, u16 vsi_handle,
3227 struct ice_fltr_mgmt_list_entry *fm_list)
3229 enum ice_sw_lkup_type lkup_type;
3233 if (fm_list->fltr_info.fltr_act != ICE_FWD_TO_VSI_LIST ||
3234 fm_list->vsi_count == 0)
3237 /* A rule with the VSI being removed does not exist */
3238 if (!test_bit(vsi_handle, fm_list->vsi_list_info->vsi_map))
3241 lkup_type = fm_list->fltr_info.lkup_type;
3242 vsi_list_id = fm_list->fltr_info.fwd_id.vsi_list_id;
3243 status = ice_update_vsi_list_rule(hw, &vsi_handle, 1, vsi_list_id, true,
3244 ice_aqc_opc_update_sw_rules,
3249 fm_list->vsi_count--;
3250 clear_bit(vsi_handle, fm_list->vsi_list_info->vsi_map);
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;
3254 struct ice_vsi_list_map_info *vsi_list_info =
3255 fm_list->vsi_list_info;
3258 rem_vsi_handle = find_first_bit(vsi_list_info->vsi_map,
3260 if (!ice_is_vsi_valid(hw, rem_vsi_handle))
3263 /* Make sure VSI list is empty before removing it below */
3264 status = ice_update_vsi_list_rule(hw, &rem_vsi_handle, 1,
3266 ice_aqc_opc_update_sw_rules,
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);
3277 ice_debug(hw, ICE_DBG_SW, "Failed to update pkt fwd rule to FWD_TO_VSI on HW VSI %d, error %d\n",
3278 tmp_fltr_info.fwd_id.hw_vsi_id, status);
3282 fm_list->fltr_info = tmp_fltr_info;
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;
3290 /* Remove the VSI list since it is no longer used */
3291 status = ice_remove_vsi_list_rule(hw, vsi_list_id, lkup_type);
3293 ice_debug(hw, ICE_DBG_SW, "Failed to remove VSI list %d, error %d\n",
3294 vsi_list_id, status);
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;
3307 * ice_remove_rule_internal - Remove a filter rule of a given type
3308 * @hw: pointer to the hardware structure
3309 * @recp_id: recipe ID for which the rule needs to removed
3310 * @f_entry: rule entry containing filter information
3313 ice_remove_rule_internal(struct ice_hw *hw, u8 recp_id,
3314 struct ice_fltr_list_entry *f_entry)
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 */
3319 bool remove_rule = false;
3323 if (!ice_is_vsi_valid(hw, f_entry->fltr_info.vsi_handle))
3325 f_entry->fltr_info.fwd_id.hw_vsi_id =
3326 ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle);
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);
3336 if (list_elem->fltr_info.fltr_act != ICE_FWD_TO_VSI_LIST) {
3338 } else if (!list_elem->vsi_list_info) {
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.
3347 list_elem->vsi_list_info->ref_cnt--;
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.
3355 vsi_handle = f_entry->fltr_info.vsi_handle;
3356 status = ice_rem_update_vsi_list(hw, vsi_handle, list_elem);
3359 /* if VSI count goes to zero after updating the VSI list */
3360 if (list_elem->vsi_count == 0)
3365 /* Remove the lookup rule */
3366 struct ice_sw_rule_lkup_rx_tx *s_rule;
3368 s_rule = devm_kzalloc(ice_hw_to_dev(hw),
3369 ICE_SW_RULE_RX_TX_NO_HDR_SIZE(s_rule),
3376 ice_fill_sw_rule(hw, &list_elem->fltr_info, s_rule,
3377 ice_aqc_opc_remove_sw_rules);
3379 status = ice_aq_sw_rules(hw, s_rule,
3380 ICE_SW_RULE_RX_TX_NO_HDR_SIZE(s_rule),
3381 1, ice_aqc_opc_remove_sw_rules, NULL);
3383 /* Remove a book keeping from the list */
3384 devm_kfree(ice_hw_to_dev(hw), s_rule);
3389 list_del(&list_elem->list_entry);
3390 devm_kfree(ice_hw_to_dev(hw), list_elem);
3393 mutex_unlock(rule_lock);
3398 * ice_vlan_fltr_exist - does this VLAN filter exist for given VSI
3399 * @hw: pointer to the hardware structure
3401 * @vsi_handle: check MAC filter for this VSI
3403 bool ice_vlan_fltr_exist(struct ice_hw *hw, u16 vlan_id, u16 vsi_handle)
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 */
3411 if (vlan_id > ICE_MAX_VLAN_ID)
3414 if (!ice_is_vsi_valid(hw, vsi_handle))
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;
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;
3430 if (entry_vlan_id > ICE_MAX_VLAN_ID)
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)
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)
3443 if (f_info->fltr_act == ICE_FWD_TO_VSI) {
3444 if (hw_vsi_id != f_info->fwd_id.hw_vsi_id)
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
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))
3458 if (vlan_id == entry_vlan_id) {
3459 mutex_unlock(rule_lock);
3463 mutex_unlock(rule_lock);
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
3473 int ice_add_mac(struct ice_hw *hw, struct list_head *m_list)
3475 struct ice_fltr_list_entry *m_list_itr;
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];
3486 m_list_itr->fltr_info.flag = ICE_FLTR_TX;
3487 vsi_handle = m_list_itr->fltr_info.vsi_handle;
3488 if (!ice_is_vsi_valid(hw, vsi_handle))
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;
3492 /* update the src in case it is VSI num */
3493 if (m_list_itr->fltr_info.src_id != ICE_SRC_ID_VSI)
3495 m_list_itr->fltr_info.src = hw_vsi_id;
3496 if (m_list_itr->fltr_info.lkup_type != ICE_SW_LKUP_MAC ||
3497 is_zero_ether_addr(add))
3500 m_list_itr->status = ice_add_rule_internal(hw, ICE_SW_LKUP_MAC,
3502 if (m_list_itr->status)
3503 return m_list_itr->status;
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
3515 ice_add_vlan_internal(struct ice_hw *hw, struct ice_fltr_list_entry *f_entry)
3517 struct ice_switch_info *sw = hw->switch_info;
3518 struct ice_fltr_mgmt_list_entry *v_list_itr;
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;
3522 struct mutex *rule_lock; /* Lock to protect filter rule list */
3525 if (!ice_is_vsi_valid(hw, f_entry->fltr_info.vsi_handle))
3528 f_entry->fltr_info.fwd_id.hw_vsi_id =
3529 ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle);
3530 new_fltr = &f_entry->fltr_info;
3532 /* VLAN ID should only be 12 bits */
3533 if (new_fltr->l_data.vlan.vlan_id > ICE_MAX_VLAN_ID)
3536 if (new_fltr->src_id != ICE_SRC_ID_VSI)
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;
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);
3546 struct ice_vsi_list_map_info *map_info = NULL;
3548 if (new_fltr->fltr_act == ICE_FWD_TO_VSI) {
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.
3554 map_info = ice_find_vsi_list_entry(hw, ICE_SW_LKUP_VLAN,
3558 status = ice_create_vsi_list_rule(hw,
3566 /* Convert the action to forwarding to a VSI list. */
3567 new_fltr->fltr_act = ICE_FWD_TO_VSI_LIST;
3568 new_fltr->fwd_id.vsi_list_id = vsi_list_id;
3571 status = ice_create_pkt_fwd_rule(hw, f_entry);
3573 v_list_itr = ice_find_rule_entry(hw, ICE_SW_LKUP_VLAN,
3579 /* reuse VSI list for new rule and increment ref_cnt */
3581 v_list_itr->vsi_list_info = map_info;
3582 map_info->ref_cnt++;
3584 v_list_itr->vsi_list_info =
3585 ice_create_vsi_list_map(hw, &vsi_handle,
3589 } else if (v_list_itr->vsi_list_info->ref_cnt == 1) {
3590 /* Update existing VSI list to add new VSI ID only if it used
3593 cur_fltr = &v_list_itr->fltr_info;
3594 status = ice_add_update_vsi_list(hw, v_list_itr, cur_fltr,
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
3600 * VLAN rule to point to new VSI list ID
3602 struct ice_fltr_info tmp_fltr;
3603 u16 vsi_handle_arr[2];
3606 /* Current implementation only supports reusing VSI list with
3607 * one VSI count. We should never hit below condition
3609 if (v_list_itr->vsi_count > 1 &&
3610 v_list_itr->vsi_list_info->ref_cnt > 1) {
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");
3617 find_first_bit(v_list_itr->vsi_list_info->vsi_map,
3620 /* A rule already exists with the new VSI being added */
3621 if (cur_handle == vsi_handle) {
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);
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
3638 * includes current VSI that is requested
3640 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr);
3644 /* before overriding VSI list map info. decrement ref_cnt of
3647 v_list_itr->vsi_list_info->ref_cnt--;
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,
3654 v_list_itr->vsi_count++;
3658 mutex_unlock(rule_lock);
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
3667 int ice_add_vlan(struct ice_hw *hw, struct list_head *v_list)
3669 struct ice_fltr_list_entry *v_list_itr;
3674 list_for_each_entry(v_list_itr, v_list, list_entry) {
3675 if (v_list_itr->fltr_info.lkup_type != ICE_SW_LKUP_VLAN)
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;
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
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).
3694 int ice_add_eth_mac(struct ice_hw *hw, struct list_head *em_list)
3696 struct ice_fltr_list_entry *em_list_itr;
3698 if (!em_list || !hw)
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;
3705 if (l_type != ICE_SW_LKUP_ETHERTYPE_MAC &&
3706 l_type != ICE_SW_LKUP_ETHERTYPE)
3709 em_list_itr->status = ice_add_rule_internal(hw, l_type,
3711 if (em_list_itr->status)
3712 return em_list_itr->status;
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
3722 int ice_remove_eth_mac(struct ice_hw *hw, struct list_head *em_list)
3724 struct ice_fltr_list_entry *em_list_itr, *tmp;
3726 if (!em_list || !hw)
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;
3733 if (l_type != ICE_SW_LKUP_ETHERTYPE_MAC &&
3734 l_type != ICE_SW_LKUP_ETHERTYPE)
3737 em_list_itr->status = ice_remove_rule_internal(hw, l_type,
3739 if (em_list_itr->status)
3740 return em_list_itr->status;
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
3751 ice_rem_sw_rule_info(struct ice_hw *hw, struct list_head *rule_head)
3753 if (!list_empty(rule_head)) {
3754 struct ice_fltr_mgmt_list_entry *entry;
3755 struct ice_fltr_mgmt_list_entry *tmp;
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);
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
3770 ice_rem_adv_rule_info(struct ice_hw *hw, struct list_head *rule_head)
3772 struct ice_adv_fltr_mgmt_list_entry *tmp_entry;
3773 struct ice_adv_fltr_mgmt_list_entry *lst_itr;
3775 if (list_empty(rule_head))
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);
3786 * ice_cfg_dflt_vsi - change state of VSI to set/clear default
3787 * @pi: pointer to the port_info structure
3788 * @vsi_handle: VSI handle to set as default
3789 * @set: true to add the above mentioned switch rule, false to remove it
3790 * @direction: ICE_FLTR_RX or ICE_FLTR_TX
3792 * add filter rule to set/unset given VSI as default VSI for the switch
3793 * (represented by swid)
3796 ice_cfg_dflt_vsi(struct ice_port_info *pi, u16 vsi_handle, bool set,
3799 struct ice_fltr_list_entry f_list_entry;
3800 struct ice_fltr_info f_info;
3801 struct ice_hw *hw = pi->hw;
3805 if (!ice_is_vsi_valid(hw, vsi_handle))
3808 hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
3810 memset(&f_info, 0, sizeof(f_info));
3812 f_info.lkup_type = ICE_SW_LKUP_DFLT;
3813 f_info.flag = direction;
3814 f_info.fltr_act = ICE_FWD_TO_VSI;
3815 f_info.fwd_id.hw_vsi_id = hw_vsi_id;
3816 f_info.vsi_handle = vsi_handle;
3818 if (f_info.flag & ICE_FLTR_RX) {
3819 f_info.src = hw->port_info->lport;
3820 f_info.src_id = ICE_SRC_ID_LPORT;
3821 } else if (f_info.flag & ICE_FLTR_TX) {
3822 f_info.src_id = ICE_SRC_ID_VSI;
3823 f_info.src = hw_vsi_id;
3825 f_list_entry.fltr_info = f_info;
3828 status = ice_add_rule_internal(hw, ICE_SW_LKUP_DFLT,
3831 status = ice_remove_rule_internal(hw, ICE_SW_LKUP_DFLT,
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
3843 ice_vsi_uses_fltr(struct ice_fltr_mgmt_list_entry *fm_entry, u16 vsi_handle)
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))));
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
3858 * checks if the VSI is in a default VSI list, and also indicates
3859 * if the default VSI list is empty
3862 ice_check_if_dflt_vsi(struct ice_port_info *pi, u16 vsi_handle,
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 */
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;
3875 mutex_lock(rule_lock);
3877 if (rule_exists && !list_empty(rule_head))
3878 *rule_exists = true;
3880 list_for_each_entry(fm_entry, rule_head, list_entry) {
3881 if (ice_vsi_uses_fltr(fm_entry, vsi_handle)) {
3887 mutex_unlock(rule_lock);
3893 * ice_remove_mac - remove a MAC address based filter rule
3894 * @hw: pointer to the hardware structure
3895 * @m_list: list of MAC addresses and forwarding information
3897 * This function removes either a MAC filter rule or a specific VSI from a
3898 * VSI list for a multicast MAC address.
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
3905 int ice_remove_mac(struct ice_hw *hw, struct list_head *m_list)
3907 struct ice_fltr_list_entry *list_itr, *tmp;
3912 list_for_each_entry_safe(list_itr, tmp, m_list, list_entry) {
3913 enum ice_sw_lkup_type l_type = list_itr->fltr_info.lkup_type;
3916 if (l_type != ICE_SW_LKUP_MAC)
3919 vsi_handle = list_itr->fltr_info.vsi_handle;
3920 if (!ice_is_vsi_valid(hw, vsi_handle))
3923 list_itr->fltr_info.fwd_id.hw_vsi_id =
3924 ice_get_hw_vsi_num(hw, vsi_handle);
3926 list_itr->status = ice_remove_rule_internal(hw,
3929 if (list_itr->status)
3930 return list_itr->status;
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
3940 int ice_remove_vlan(struct ice_hw *hw, struct list_head *v_list)
3942 struct ice_fltr_list_entry *v_list_itr, *tmp;
3947 list_for_each_entry_safe(v_list_itr, tmp, v_list, list_entry) {
3948 enum ice_sw_lkup_type l_type = v_list_itr->fltr_info.lkup_type;
3950 if (l_type != ICE_SW_LKUP_VLAN)
3952 v_list_itr->status = ice_remove_rule_internal(hw,
3955 if (v_list_itr->status)
3956 return v_list_itr->status;
3962 * ice_add_entry_to_vsi_fltr_list - Add copy of fltr_list_entry to remove list
3963 * @hw: pointer to the hardware structure
3964 * @vsi_handle: VSI handle to remove filters from
3965 * @vsi_list_head: pointer to the list to add entry to
3966 * @fi: pointer to fltr_info of filter entry to copy & add
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.
3975 ice_add_entry_to_vsi_fltr_list(struct ice_hw *hw, u16 vsi_handle,
3976 struct list_head *vsi_list_head,
3977 struct ice_fltr_info *fi)
3979 struct ice_fltr_list_entry *tmp;
3981 /* this memory is freed up in the caller function
3982 * once filters for this VSI are removed
3984 tmp = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*tmp), GFP_KERNEL);
3988 tmp->fltr_info = *fi;
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
3995 tmp->fltr_info.fltr_act = ICE_FWD_TO_VSI;
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);
3999 list_add(&tmp->list_entry, vsi_list_head);
4005 * ice_add_to_vsi_fltr_list - Add VSI filters to the list
4006 * @hw: pointer to the hardware structure
4007 * @vsi_handle: VSI handle to remove filters from
4008 * @lkup_list_head: pointer to the list that has certain lookup type filters
4009 * @vsi_list_head: pointer to the list pertaining to VSI with vsi_handle
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.
4018 ice_add_to_vsi_fltr_list(struct ice_hw *hw, u16 vsi_handle,
4019 struct list_head *lkup_list_head,
4020 struct list_head *vsi_list_head)
4022 struct ice_fltr_mgmt_list_entry *fm_entry;
4025 /* check to make sure VSI ID is valid and within boundary */
4026 if (!ice_is_vsi_valid(hw, vsi_handle))
4029 list_for_each_entry(fm_entry, lkup_list_head, list_entry) {
4030 if (!ice_vsi_uses_fltr(fm_entry, vsi_handle))
4033 status = ice_add_entry_to_vsi_fltr_list(hw, vsi_handle,
4035 &fm_entry->fltr_info);
4043 * ice_determine_promisc_mask
4044 * @fi: filter info to parse
4046 * Helper function to determine which ICE_PROMISC_ mask corresponds
4047 * to given filter into.
4049 static u8 ice_determine_promisc_mask(struct ice_fltr_info *fi)
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;
4056 if (fi->flag == ICE_FLTR_TX)
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;
4069 promisc_mask |= is_tx_fltr ?
4070 ICE_PROMISC_VLAN_TX : ICE_PROMISC_VLAN_RX;
4072 return promisc_mask;
4076 * ice_remove_promisc - Remove promisc based filter rules
4077 * @hw: pointer to the hardware structure
4078 * @recp_id: recipe ID for which the rule needs to removed
4079 * @v_list: list of promisc entries
4082 ice_remove_promisc(struct ice_hw *hw, u8 recp_id, struct list_head *v_list)
4084 struct ice_fltr_list_entry *v_list_itr, *tmp;
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;
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
4103 ice_clear_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
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 */
4115 if (!ice_is_vsi_valid(hw, vsi_handle))
4118 if (promisc_mask & (ICE_PROMISC_VLAN_RX | ICE_PROMISC_VLAN_TX))
4119 recipe_id = ICE_SW_LKUP_PROMISC_VLAN;
4121 recipe_id = ICE_SW_LKUP_PROMISC;
4123 rule_head = &sw->recp_list[recipe_id].filt_rules;
4124 rule_lock = &sw->recp_list[recipe_id].filt_rule_lock;
4126 INIT_LIST_HEAD(&remove_list_head);
4128 mutex_lock(rule_lock);
4129 list_for_each_entry(itr, rule_head, list_entry) {
4130 struct ice_fltr_info *fltr_info;
4131 u8 fltr_promisc_mask = 0;
4133 if (!ice_vsi_uses_fltr(itr, vsi_handle))
4135 fltr_info = &itr->fltr_info;
4137 if (recipe_id == ICE_SW_LKUP_PROMISC_VLAN &&
4138 vid != fltr_info->l_data.mac_vlan.vlan_id)
4141 fltr_promisc_mask |= ice_determine_promisc_mask(fltr_info);
4143 /* Skip if filter is not completely specified by given mask */
4144 if (fltr_promisc_mask & ~promisc_mask)
4147 status = ice_add_entry_to_vsi_fltr_list(hw, vsi_handle,
4151 mutex_unlock(rule_lock);
4152 goto free_fltr_list;
4155 mutex_unlock(rule_lock);
4157 status = ice_remove_promisc(hw, recipe_id, &remove_list_head);
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);
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
4176 ice_set_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, u16 vid)
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;
4187 if (!ice_is_vsi_valid(hw, vsi_handle))
4189 hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
4191 memset(&new_fltr, 0, sizeof(new_fltr));
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;
4198 new_fltr.lkup_type = ICE_SW_LKUP_PROMISC;
4199 recipe_id = ICE_SW_LKUP_PROMISC;
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
4207 while (promisc_mask) {
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;
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;
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;
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;
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 */
4256 /* Need to reset this to zero for all iterations */
4259 new_fltr.flag |= ICE_FLTR_TX;
4260 new_fltr.src = hw_vsi_id;
4262 new_fltr.flag |= ICE_FLTR_RX;
4263 new_fltr.src = hw->port_info->lport;
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;
4271 status = ice_add_rule_internal(hw, recipe_id, &f_list_entry);
4273 goto set_promisc_exit;
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
4287 * Configure VSI with all associated VLANs to given promiscuous mode(s)
4290 ice_set_vlan_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
4291 bool rm_vlan_promisc)
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 */
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,
4307 mutex_unlock(vlan_lock);
4309 goto free_fltr_list;
4311 list_for_each_entry(list_itr, &vsi_list_head, list_entry) {
4312 /* Avoid enabling or disabling VLAN zero twice when in double
4315 if (ice_is_dvm_ena(hw) &&
4316 list_itr->fltr_info.l_data.vlan.tpid == 0)
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);
4324 status = ice_set_vsi_promisc(hw, vsi_handle,
4325 promisc_mask, vlan_id);
4326 if (status && status != -EEXIST)
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);
4339 * ice_remove_vsi_lkup_fltr - Remove lookup type filters for a VSI
4340 * @hw: pointer to the hardware structure
4341 * @vsi_handle: VSI handle to remove filters from
4342 * @lkup: switch rule filter lookup type
4345 ice_remove_vsi_lkup_fltr(struct ice_hw *hw, u16 vsi_handle,
4346 enum ice_sw_lkup_type lkup)
4348 struct ice_switch_info *sw = hw->switch_info;
4349 struct ice_fltr_list_entry *fm_entry;
4350 struct list_head remove_list_head;
4351 struct list_head *rule_head;
4352 struct ice_fltr_list_entry *tmp;
4353 struct mutex *rule_lock; /* Lock to protect filter rule list */
4356 INIT_LIST_HEAD(&remove_list_head);
4357 rule_lock = &sw->recp_list[lkup].filt_rule_lock;
4358 rule_head = &sw->recp_list[lkup].filt_rules;
4359 mutex_lock(rule_lock);
4360 status = ice_add_to_vsi_fltr_list(hw, vsi_handle, rule_head,
4362 mutex_unlock(rule_lock);
4364 goto free_fltr_list;
4367 case ICE_SW_LKUP_MAC:
4368 ice_remove_mac(hw, &remove_list_head);
4370 case ICE_SW_LKUP_VLAN:
4371 ice_remove_vlan(hw, &remove_list_head);
4373 case ICE_SW_LKUP_PROMISC:
4374 case ICE_SW_LKUP_PROMISC_VLAN:
4375 ice_remove_promisc(hw, lkup, &remove_list_head);
4377 case ICE_SW_LKUP_MAC_VLAN:
4378 case ICE_SW_LKUP_ETHERTYPE:
4379 case ICE_SW_LKUP_ETHERTYPE_MAC:
4380 case ICE_SW_LKUP_DFLT:
4381 case ICE_SW_LKUP_LAST:
4383 ice_debug(hw, ICE_DBG_SW, "Unsupported lookup type %d\n", lkup);
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);
4395 * ice_remove_vsi_fltr - Remove all filters for a VSI
4396 * @hw: pointer to the hardware structure
4397 * @vsi_handle: VSI handle to remove filters from
4399 void ice_remove_vsi_fltr(struct ice_hw *hw, u16 vsi_handle)
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);
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
4420 ice_alloc_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,
4423 DEFINE_RAW_FLEX(struct ice_aqc_alloc_free_res_elem, buf, elem, 1);
4424 u16 buf_len = __struct_size(buf);
4427 buf->num_elems = cpu_to_le16(num_items);
4428 buf->res_type = cpu_to_le16(FIELD_PREP(ICE_AQC_RES_TYPE_M, type) |
4431 status = ice_aq_alloc_free_res(hw, buf, buf_len, ice_aqc_opc_alloc_res);
4435 *counter_id = le16_to_cpu(buf->elem[0].e.sw_resp);
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
4448 ice_free_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,
4451 DEFINE_RAW_FLEX(struct ice_aqc_alloc_free_res_elem, buf, elem, 1);
4452 u16 buf_len = __struct_size(buf);
4455 buf->num_elems = cpu_to_le16(num_items);
4456 buf->res_type = cpu_to_le16(FIELD_PREP(ICE_AQC_RES_TYPE_M, type) |
4458 buf->elem[0].e.sw_resp = cpu_to_le16(counter_id);
4460 status = ice_aq_alloc_free_res(hw, buf, buf_len, ice_aqc_opc_free_res);
4462 ice_debug(hw, ICE_DBG_SW, "counter resource could not be freed\n");
4467 #define ICE_PROTOCOL_ENTRY(id, ...) { \
4469 .offs = {__VA_ARGS__}, \
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)
4479 int ice_share_res(struct ice_hw *hw, u16 type, u8 shared, u16 res_id)
4481 DEFINE_RAW_FLEX(struct ice_aqc_alloc_free_res_elem, buf, elem, 1);
4482 u16 buf_len = __struct_size(buf);
4486 buf->num_elems = cpu_to_le16(1);
4487 res_type = FIELD_PREP(ICE_AQC_RES_TYPE_M, type);
4489 res_type |= ICE_AQC_RES_TYPE_FLAG_SHARED;
4491 buf->res_type = cpu_to_le16(res_type);
4492 buf->elem[0].e.sw_resp = cpu_to_le16(res_id);
4493 status = ice_aq_alloc_free_res(hw, buf, buf_len,
4494 ice_aqc_opc_share_res);
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");
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
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.
4511 static const struct ice_prot_ext_tbl_entry ice_prot_ext[ICE_PROTOCOL_LAST] = {
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),
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),
4546 static 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 },
4550 { ICE_ETYPE_IL, ICE_ETYPE_IL_HW },
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 },
4559 { ICE_VXLAN, ICE_UDP_OF_HW },
4560 { ICE_GENEVE, ICE_UDP_OF_HW },
4561 { ICE_NVGRE, ICE_GRE_OF_HW },
4562 { ICE_GTP, ICE_UDP_OF_HW },
4563 { ICE_GTP_NO_PAY, ICE_UDP_ILOS_HW },
4564 { ICE_PPPOE, ICE_PPPOE_HW },
4565 { ICE_L2TPV3, ICE_L2TPV3_HW },
4566 { ICE_VLAN_EX, ICE_VLAN_OF_HW },
4567 { ICE_VLAN_IN, ICE_VLAN_OL_HW },
4568 { ICE_HW_METADATA, ICE_META_DATA_ID_HW },
4572 * ice_find_recp - find a recipe
4573 * @hw: pointer to the hardware structure
4574 * @lkup_exts: extension sequence to match
4575 * @rinfo: information regarding the rule e.g. priority and action info
4577 * Returns index of matching recipe, or ICE_MAX_NUM_RECIPES if not found.
4580 ice_find_recp(struct ice_hw *hw, struct ice_prot_lkup_ext *lkup_exts,
4581 const struct ice_adv_rule_info *rinfo)
4583 bool refresh_required = true;
4584 struct ice_sw_recipe *recp;
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
4595 if (!recp[i].recp_created)
4596 if (ice_get_recp_frm_fw(hw,
4597 hw->switch_info->recp_list, i,
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)
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;
4615 /* ar, cr, and qr are related to the recipe words, while
4616 * be, de, and pe are related to the lookup words
4618 for (pe = 0; pe < lkup_exts->n_val_words; pe++) {
4619 for (qr = 0; qr < recp[i].lkup_exts.n_val_words;
4621 if (ar[qr].off == be[pe].off &&
4622 ar[qr].prot_id == be[pe].prot_id &&
4624 /* Found the "pe"th word in the
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
4635 if (qr >= recp[i].lkup_exts.n_val_words) {
4640 /* If for "i"th recipe the found was never set to false
4641 * then it means we found our match
4642 * Also tun type and *_pass_l2 of recipe needs to be
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)
4648 return i; /* Return the recipe ID */
4651 return ICE_MAX_NUM_RECIPES;
4655 * ice_change_proto_id_to_dvm - change proto id in prot_id_tbl
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.
4661 void ice_change_proto_id_to_dvm(void)
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;
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
4676 * Returns true if found, false otherwise
4678 static bool ice_prot_type_to_id(enum ice_protocol_type type, u8 *id)
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;
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
4695 * calculate valid words in a lookup rule using mask value
4698 ice_fill_valid_words(struct ice_adv_lkup_elem *rule,
4699 struct ice_prot_lkup_ext *lkup_exts)
4701 u8 j, word, prot_id, ret_val;
4703 if (!ice_prot_type_to_id(rule->type, &prot_id))
4706 word = lkup_exts->n_val_words;
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)
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]);
4723 ret_val = word - lkup_exts->n_val_words;
4724 lkup_exts->n_val_words = word;
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
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
4741 ice_create_first_fit_recp_def(struct ice_hw *hw,
4742 struct ice_prot_lkup_ext *lkup_exts,
4743 struct list_head *rg_list,
4746 struct ice_pref_recipe_group *grp = NULL;
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.
4754 for (j = 0; j < lkup_exts->n_val_words; j++)
4755 if (!test_bit(j, lkup_exts->done)) {
4757 grp->n_val_pairs == ICE_NUM_WORDS_RECIPE) {
4758 struct ice_recp_grp_entry *entry;
4760 entry = devm_kzalloc(ice_hw_to_dev(hw),
4765 list_add(&entry->l_entry, rg_list);
4766 grp = &entry->r_group;
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];
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
4787 * Helper function to fill in the field vector indices for protocol-offset
4788 * pairs. These indexes are then ultimately programmed into a recipe.
4791 ice_fill_fv_word_index(struct ice_hw *hw, struct list_head *fv_list,
4792 struct list_head *rg_list)
4794 struct ice_sw_fv_list_entry *fv;
4795 struct ice_recp_grp_entry *rg;
4796 struct ice_fv_word *fv_ext;
4798 if (list_empty(fv_list))
4801 fv = list_first_entry(fv_list, struct ice_sw_fv_list_entry,
4803 fv_ext = fv->fv_ptr->ew;
4805 list_for_each_entry(rg, rg_list, l_entry) {
4808 for (i = 0; i < rg->r_group.n_val_pairs; i++) {
4809 struct ice_fv_word *pr;
4814 pr = &rg->r_group.pairs[i];
4815 mask = rg->r_group.mask[i];
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) {
4822 /* Store index of field vector */
4824 rg->fv_mask[i] = mask;
4828 /* Protocol/offset could not be found, caller gave an
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
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
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:
4855 * i.e., PossibleIndexes = 0x0000F00000000000
4857 * 3. For each Recipe r in set R:
4858 * a. UsedIndexes |= (bitwise or ) recipe[r].res_indexes
4859 * b. FreeIndexes = UsedIndexes ^ PossibleIndexes
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.
4866 ice_find_free_recp_res_idx(struct ice_hw *hw, const unsigned long *profiles,
4867 unsigned long *free_idx)
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);
4874 bitmap_zero(recipes, ICE_MAX_NUM_RECIPES);
4875 bitmap_zero(used_idx, ICE_MAX_FV_WORDS);
4877 bitmap_fill(possible_idx, ICE_MAX_FV_WORDS);
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.
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],
4892 /* For each recipe that our new recipe may collide with, determine
4893 * which indexes have been used.
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,
4900 bitmap_xor(free_idx, used_idx, possible_idx, ICE_MAX_FV_WORDS);
4902 /* return number of free indexes */
4903 return (u16)bitmap_weight(free_idx, ICE_MAX_FV_WORDS);
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
4910 * @profiles: bitmap of profiles that will be associated.
4913 ice_add_sw_recipe(struct ice_hw *hw, struct ice_sw_recipe *rm,
4914 unsigned long *profiles)
4916 DECLARE_BITMAP(result_idx_bm, ICE_MAX_FV_WORDS);
4917 struct ice_aqc_recipe_content *content;
4918 struct ice_aqc_recipe_data_elem *tmp;
4919 struct ice_aqc_recipe_data_elem *buf;
4920 struct ice_recp_grp_entry *entry;
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.
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);
4936 ice_debug(hw, ICE_DBG_SW, "Result idx slots: %d, need %d\n",
4937 free_res_idx, rm->n_grp_count);
4939 if (rm->n_grp_count > 1) {
4940 if (rm->n_grp_count > free_res_idx)
4946 if (rm->n_grp_count > ICE_MAX_CHAIN_RECIPE)
4949 tmp = kcalloc(ICE_MAX_NUM_RECIPES, sizeof(*tmp), GFP_KERNEL);
4953 buf = devm_kcalloc(ice_hw_to_dev(hw), rm->n_grp_count, sizeof(*buf),
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,
4964 if (status || recipe_count == 0)
4967 /* Allocate the recipe resources, and configure them according to the
4968 * match fields from protocol headers and extracted field vectors.
4970 chain_idx = find_first_bit(result_idx_bm, ICE_MAX_FV_WORDS);
4971 list_for_each_entry(entry, &rm->rg_list, l_entry) {
4974 status = ice_alloc_recipe(hw, &entry->rid);
4978 content = &buf[recps].content;
4980 /* Clear the result index of the located recipe, as this will be
4981 * updated, if needed, later in the recipe creation process.
4983 tmp[0].content.result_indx = 0;
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.
4991 memset(&content->lkup_indx, 0,
4992 sizeof(content->lkup_indx));
4994 /* All recipes use look-up index 0 to match switch ID. */
4995 content->lkup_indx[0] = ICE_AQ_SW_ID_LKUP_IDX;
4996 content->mask[0] = cpu_to_le16(ICE_AQ_SW_ID_LKUP_MASK);
4997 /* Setup lkup_indx 1..4 to INVALID/ignore and set the mask
5000 for (i = 1; i <= ICE_NUM_WORDS_RECIPE; i++) {
5001 content->lkup_indx[i] = 0x80;
5002 content->mask[i] = 0;
5005 for (i = 0; i < entry->r_group.n_val_pairs; i++) {
5006 content->lkup_indx[i + 1] = entry->fv_idx[i];
5007 content->mask[i + 1] = cpu_to_le16(entry->fv_mask[i]);
5010 if (rm->n_grp_count > 1) {
5011 /* Checks to see if there really is a valid result index
5014 if (chain_idx >= ICE_MAX_FV_WORDS) {
5015 ice_debug(hw, ICE_DBG_SW, "No chain index available\n");
5020 entry->chain_idx = chain_idx;
5021 content->result_indx =
5022 ICE_AQ_RECIPE_RESULT_EN |
5023 FIELD_PREP(ICE_AQ_RECIPE_RESULT_DATA_M,
5025 clear_bit(chain_idx, result_idx_bm);
5026 chain_idx = find_first_bit(result_idx_bm,
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);
5035 content->act_ctrl_fwd_priority = rm->priority;
5037 if (rm->need_pass_l2)
5038 content->act_ctrl |= ICE_AQ_RECIPE_ACT_NEED_PASS_L2;
5040 if (rm->allow_pass_l2)
5041 content->act_ctrl |= ICE_AQ_RECIPE_ACT_ALLOW_PASS_L2;
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));
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.
5067 buf[0].content.act_ctrl_fwd_priority = rm->priority;
5069 struct ice_recp_grp_entry *last_chain_entry;
5072 /* Allocate the last recipe that will chain the outcomes of the
5073 * other recipes together
5075 status = ice_alloc_recipe(hw, &rid);
5079 content = &buf[recps].content;
5081 buf[recps].recipe_indx = (u8)rid;
5082 content->rid = (u8)rid;
5083 content->rid |= ICE_AQ_RECIPE_ID_IS_ROOT;
5084 /* the new entry created should also be part of rg_list to
5085 * make sure we have complete recipe
5087 last_chain_entry = devm_kzalloc(ice_hw_to_dev(hw),
5088 sizeof(*last_chain_entry),
5090 if (!last_chain_entry) {
5094 last_chain_entry->rid = rid;
5095 memset(&content->lkup_indx, 0, sizeof(content->lkup_indx));
5096 /* All recipes use look-up index 0 to match switch ID. */
5097 content->lkup_indx[0] = ICE_AQ_SW_ID_LKUP_IDX;
5098 content->mask[0] = cpu_to_le16(ICE_AQ_SW_ID_LKUP_MASK);
5099 for (i = 1; i <= ICE_NUM_WORDS_RECIPE; i++) {
5100 content->lkup_indx[i] = ICE_AQ_RECIPE_LKUP_IGNORE;
5101 content->mask[i] = 0;
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
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;
5113 content->lkup_indx[i] = entry->chain_idx;
5114 content->mask[i++] = cpu_to_le16(0xFFFF);
5115 set_bit(entry->rid, rm->r_bitmap);
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));
5126 content->act_ctrl_fwd_priority = rm->priority;
5129 rm->root_rid = (u8)rid;
5131 status = ice_acquire_change_lock(hw, ICE_RES_WRITE);
5135 status = ice_aq_add_recipe(hw, buf, rm->n_grp_count, NULL);
5136 ice_release_change_lock(hw);
5140 /* Every recipe that just got created add it to the recipe
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;
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) {
5161 recp = &sw->recp_list[entry->rid];
5162 is_root = (rm->root_rid == entry->rid);
5163 recp->is_root = is_root;
5165 recp->root_rid = entry->rid;
5166 recp->big_recp = (is_root && rm->n_grp_count > 1);
5168 memcpy(&recp->ext_words, entry->r_group.pairs,
5169 entry->r_group.n_val_pairs * sizeof(struct ice_fv_word));
5171 memcpy(recp->r_bitmap, buf[buf_idx].recipe_bitmap,
5172 sizeof(recp->r_bitmap));
5174 /* Copy non-result fv index values and masks to recipe. This
5175 * call will also update the result recipe bitmask.
5177 ice_collect_result_idx(&buf[buf_idx], recp);
5179 /* for non-root recipes, also copy to the root, this allows
5180 * easier matching of a complete chained recipe
5183 ice_collect_result_idx(&buf[buf_idx],
5184 &sw->recp_list[rm->root_rid]);
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;
5190 recp->tun_type = rm->tun_type;
5191 recp->need_pass_l2 = rm->need_pass_l2;
5192 recp->allow_pass_l2 = rm->allow_pass_l2;
5193 recp->recp_created = true;
5202 devm_kfree(ice_hw_to_dev(hw), buf);
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
5213 ice_create_recipe_group(struct ice_hw *hw, struct ice_sw_recipe *rm,
5214 struct ice_prot_lkup_ext *lkup_exts)
5219 rm->n_grp_count = 0;
5221 /* Create recipes for words that are marked not done by packing them
5224 status = ice_create_first_fit_recp_def(hw, lkup_exts,
5225 &rm->rg_list, &recp_count);
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));
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
5244 ice_get_compat_fv_bitmap(struct ice_hw *hw, struct ice_adv_rule_info *rinfo,
5247 enum ice_prof_type prof_type;
5249 bitmap_zero(bm, ICE_MAX_NUM_PROFILES);
5251 switch (rinfo->tun_type) {
5253 prof_type = ICE_PROF_NON_TUN;
5255 case ICE_ALL_TUNNELS:
5256 prof_type = ICE_PROF_TUN_ALL;
5258 case ICE_SW_TUN_GENEVE:
5259 case ICE_SW_TUN_VXLAN:
5260 prof_type = ICE_PROF_TUN_UDP;
5262 case ICE_SW_TUN_NVGRE:
5263 prof_type = ICE_PROF_TUN_GRE;
5265 case ICE_SW_TUN_GTPU:
5266 prof_type = ICE_PROF_TUN_GTPU;
5268 case ICE_SW_TUN_GTPC:
5269 prof_type = ICE_PROF_TUN_GTPC;
5271 case ICE_SW_TUN_AND_NON_TUN:
5273 prof_type = ICE_PROF_ALL;
5277 ice_get_sw_fv_bitmap(hw, prof_type, bm);
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
5290 ice_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)
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;
5300 struct ice_sw_recipe *rm;
5307 lkup_exts = kzalloc(sizeof(*lkup_exts), GFP_KERNEL);
5311 /* Determine the number of words to be matched and if it exceeds a
5312 * recipe's restrictions
5314 for (i = 0; i < lkups_cnt; i++) {
5317 if (lkups[i].type >= ICE_PROTOCOL_LAST) {
5319 goto err_free_lkup_exts;
5322 count = ice_fill_valid_words(&lkups[i], lkup_exts);
5325 goto err_free_lkup_exts;
5329 rm = kzalloc(sizeof(*rm), GFP_KERNEL);
5332 goto err_free_lkup_exts;
5335 /* Get field vectors that contain fields extracted from all the protocol
5336 * headers being programmed.
5338 INIT_LIST_HEAD(&rm->fv_list);
5339 INIT_LIST_HEAD(&rm->rg_list);
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
5343 * ice_get_sw_fv_list.
5345 ice_get_compat_fv_bitmap(hw, rinfo, fv_bitmap);
5347 status = ice_get_sw_fv_list(hw, lkup_exts, fv_bitmap, &rm->fv_list);
5351 /* Group match words into recipes using preferred recipe grouping
5354 status = ice_create_recipe_group(hw, rm, lkup_exts);
5358 /* set the recipe priority if specified */
5359 rm->priority = (u8)rinfo->priority;
5361 rm->need_pass_l2 = rinfo->need_pass_l2;
5362 rm->allow_pass_l2 = rinfo->allow_pass_l2;
5364 /* Find offsets from the field vector. Pick the first one for all the
5367 status = ice_fill_fv_word_index(hw, &rm->fv_list, &rm->rg_list);
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);
5378 /* Look for a recipe which matches our requested fv / mask list */
5379 *rid = ice_find_recp(hw, lkup_exts, rinfo);
5380 if (*rid < ICE_MAX_NUM_RECIPES)
5381 /* Success if found a recipe that match the existing criteria */
5384 rm->tun_type = rinfo->tun_type;
5385 /* Recipe we need does not exist, add a recipe */
5386 status = ice_add_sw_recipe(hw, rm, profiles);
5390 /* Associate all the recipes created with all the profiles in the
5391 * common field vector.
5393 list_for_each_entry(fvit, &rm->fv_list, list_entry) {
5394 DECLARE_BITMAP(r_bitmap, ICE_MAX_NUM_RECIPES);
5398 status = ice_aq_get_recipe_to_profile(hw, fvit->profile_id,
5403 bitmap_from_arr64(r_bitmap, &recp_assoc, ICE_MAX_NUM_RECIPES);
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);
5410 bitmap_to_arr64(&recp_assoc, r_bitmap, ICE_MAX_NUM_RECIPES);
5411 status = ice_aq_map_recipe_to_profile(hw, fvit->profile_id,
5413 ice_release_change_lock(hw);
5418 /* Update profile to recipe bitmap array */
5419 bitmap_copy(profile_to_recipe[fvit->profile_id], r_bitmap,
5420 ICE_MAX_NUM_RECIPES);
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]);
5427 *rid = rm->root_rid;
5428 memcpy(&hw->switch_info->recp_list[*rid].lkup_exts, lkup_exts,
5429 sizeof(*lkup_exts));
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);
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);
5441 devm_kfree(ice_hw_to_dev(hw), rm->root_buf);
5451 * ice_dummy_packet_add_vlan - insert VLAN header to dummy pkt
5453 * @dummy_pkt: dummy packet profile pattern to which VLAN tag(s) will be added
5454 * @num_vlan: number of VLAN tags
5456 static struct ice_dummy_pkt_profile *
5457 ice_dummy_packet_add_vlan(const struct ice_dummy_pkt_profile *dummy_pkt,
5460 struct ice_dummy_pkt_profile *profile;
5461 struct ice_dummy_pkt_offsets *offsets;
5462 u32 buf_len, off, etype_off, i;
5465 if (num_vlan < 1 || num_vlan > 2)
5466 return ERR_PTR(-EINVAL);
5468 off = num_vlan * VLAN_HLEN;
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);
5474 return ERR_PTR(-ENOMEM);
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];
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;
5489 offsets[i + num_vlan] = dummy_pkt->offsets[i];
5491 etype_off = dummy_pkt->offsets[1].offset;
5493 buf_len = array_size(num_vlan, sizeof(ice_dummy_vlan_packet)) +
5495 pkt = kzalloc(buf_len, GFP_KERNEL);
5498 return ERR_PTR(-ENOMEM);
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,
5505 memcpy(pkt + etype_off + off, dummy_pkt->pkt + etype_off,
5506 dummy_pkt->pkt_len - etype_off);
5508 profile = kzalloc(sizeof(*profile), GFP_KERNEL);
5512 return ERR_PTR(-ENOMEM);
5515 profile->offsets = offsets;
5517 profile->pkt_len = buf_len;
5518 profile->match |= ICE_PKT_KMALLOC;
5524 * ice_find_dummy_packet - find dummy packet
5526 * @lkups: lookup elements or match criteria for the advanced recipe, one
5527 * structure per protocol header
5528 * @lkups_cnt: number of protocols
5529 * @tun_type: tunnel type
5531 * Returns the &ice_dummy_pkt_profile corresponding to these lookup params.
5533 static const struct ice_dummy_pkt_profile *
5534 ice_find_dummy_packet(struct ice_adv_lkup_elem *lkups, u16 lkups_cnt,
5535 enum ice_sw_tunnel_type tun_type)
5537 const struct ice_dummy_pkt_profile *ret = ice_dummy_pkt_profiles;
5538 u32 match = 0, vlan_count = 0;
5542 case ICE_SW_TUN_GTPC:
5543 match |= ICE_PKT_TUN_GTPC;
5545 case ICE_SW_TUN_GTPU:
5546 match |= ICE_PKT_TUN_GTPU;
5548 case ICE_SW_TUN_NVGRE:
5549 match |= ICE_PKT_TUN_NVGRE;
5551 case ICE_SW_TUN_GENEVE:
5552 case ICE_SW_TUN_VXLAN:
5553 match |= ICE_PKT_TUN_UDP;
5559 for (i = 0; i < lkups_cnt; i++) {
5560 if (lkups[i].type == ICE_UDP_ILOS)
5561 match |= ICE_PKT_INNER_UDP;
5562 else if (lkups[i].type == ICE_TCP_IL)
5563 match |= ICE_PKT_INNER_TCP;
5564 else if (lkups[i].type == ICE_IPV6_OFOS)
5565 match |= ICE_PKT_OUTER_IPV6;
5566 else if (lkups[i].type == ICE_VLAN_OFOS ||
5567 lkups[i].type == ICE_VLAN_EX)
5569 else if (lkups[i].type == ICE_VLAN_IN)
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 ==
5575 cpu_to_be16(0xFFFF))
5576 match |= ICE_PKT_OUTER_IPV6;
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))
5582 match |= ICE_PKT_INNER_IPV6;
5583 else if (lkups[i].type == ICE_IPV6_IL)
5584 match |= ICE_PKT_INNER_IPV6;
5585 else if (lkups[i].type == ICE_GTP_NO_PAY)
5586 match |= ICE_PKT_GTP_NOPAY;
5587 else if (lkups[i].type == ICE_PPPOE) {
5588 match |= ICE_PKT_PPPOE;
5589 if (lkups[i].h_u.pppoe_hdr.ppp_prot_id ==
5591 match |= ICE_PKT_OUTER_IPV6;
5592 } else if (lkups[i].type == ICE_L2TPV3)
5593 match |= ICE_PKT_L2TPV3;
5596 while (ret->match && (match & ret->match) != ret->match)
5599 if (vlan_count != 0)
5600 ret = ice_dummy_packet_add_vlan(ret, vlan_count);
5606 * ice_fill_adv_dummy_packet - fill a dummy packet with given match criteria
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
5612 * @profile: dummy packet profile (the template, its size and header offsets)
5615 ice_fill_adv_dummy_packet(struct ice_adv_lkup_elem *lkups, u16 lkups_cnt,
5616 struct ice_sw_rule_lkup_rx_tx *s_rule,
5617 const struct ice_dummy_pkt_profile *profile)
5622 /* Start with a packet with a pre-defined/dummy content. Then, fill
5623 * in the header values to be looked up or matched.
5625 pkt = s_rule->hdr_data;
5627 memcpy(pkt, profile->pkt, profile->pkt_len);
5629 for (i = 0; i < lkups_cnt; i++) {
5630 const struct ice_dummy_pkt_offsets *offsets = profile->offsets;
5631 enum ice_protocol_type type;
5632 u16 offset = 0, len = 0, j;
5635 /* find the start of this layer; it should be found since this
5636 * was already checked when search for the dummy packet
5638 type = lkups[i].type;
5639 /* metadata isn't present in the packet */
5640 if (type == ICE_HW_METADATA)
5643 for (j = 0; offsets[j].type != ICE_PROTOCOL_LAST; j++) {
5644 if (type == offsets[j].type) {
5645 offset = offsets[j].offset;
5650 /* this should never happen in a correct calling sequence */
5654 switch (lkups[i].type) {
5657 len = sizeof(struct ice_ether_hdr);
5661 len = sizeof(struct ice_ethtype_hdr);
5666 len = sizeof(struct ice_vlan_hdr);
5670 len = sizeof(struct ice_ipv4_hdr);
5674 len = sizeof(struct ice_ipv6_hdr);
5679 len = sizeof(struct ice_l4_hdr);
5682 len = sizeof(struct ice_sctp_hdr);
5685 len = sizeof(struct ice_nvgre_hdr);
5689 len = sizeof(struct ice_udp_tnl_hdr);
5691 case ICE_GTP_NO_PAY:
5693 len = sizeof(struct ice_udp_gtp_hdr);
5696 len = sizeof(struct ice_pppoe_hdr);
5699 len = sizeof(struct ice_l2tpv3_sess_hdr);
5705 /* the length should be a word multiple */
5706 if (len % ICE_BYTES_PER_WORD)
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.
5716 for (j = 0; j < len / sizeof(u16); j++) {
5717 u16 *ptr = (u16 *)(pkt + offset);
5718 u16 mask = lkups[i].m_raw[j];
5723 ptr[j] = (ptr[j] & ~mask) | (lkups[i].h_raw[j] & mask);
5727 s_rule->hdr_len = cpu_to_le16(profile->pkt_len);
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
5740 ice_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)
5746 case ICE_SW_TUN_VXLAN:
5747 if (!ice_get_open_tunnel_port(hw, &open_port, TNL_VXLAN))
5750 case ICE_SW_TUN_GENEVE:
5751 if (!ice_get_open_tunnel_port(hw, &open_port, TNL_GENEVE))
5755 /* Nothing needs to be done for this tunnel type */
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;
5765 offset = offsets[i].offset;
5766 hdr = (struct ice_l4_hdr *)&pkt[offset];
5767 hdr->dst_port = cpu_to_be16(open_port);
5777 * ice_fill_adv_packet_vlan - fill dummy packet with VLAN tag type
5778 * @hw: pointer to hw structure
5779 * @vlan_type: VLAN tag type
5780 * @pkt: dummy packet to fill in
5781 * @offsets: offset info for the dummy packet
5784 ice_fill_adv_packet_vlan(struct ice_hw *hw, u16 vlan_type, u8 *pkt,
5785 const struct ice_dummy_pkt_offsets *offsets)
5789 /* Check if there is something to do */
5790 if (!vlan_type || !ice_is_dvm_ena(hw))
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;
5800 offset = offsets[i].offset;
5801 hdr = (struct ice_vlan_hdr *)&pkt[offset];
5802 hdr->type = cpu_to_be16(vlan_type);
5811 static bool ice_rules_equal(const struct ice_adv_rule_info *first,
5812 const struct ice_adv_rule_info *second)
5814 return first->sw_act.flag == second->sw_act.flag &&
5815 first->tun_type == second->tun_type &&
5816 first->vlan_type == second->vlan_type &&
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;
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
5831 * Helper function to search for a given advance rule entry
5832 * Returns pointer to entry storing the rule if found
5834 static struct ice_adv_fltr_mgmt_list_entry *
5835 ice_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)
5839 struct ice_adv_fltr_mgmt_list_entry *list_itr;
5840 struct ice_switch_info *sw = hw->switch_info;
5843 list_for_each_entry(list_itr, &sw->recp_list[recp_id].filt_rules,
5845 bool lkups_matched = true;
5847 if (lkups_cnt != list_itr->lkups_cnt)
5849 for (i = 0; i < list_itr->lkups_cnt; i++)
5850 if (memcmp(&list_itr->lkups[i], &lkups[i],
5852 lkups_matched = false;
5855 if (ice_rules_equal(rinfo, &list_itr->rule_info) &&
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
5869 * Call AQ command to add or update previously created VSI list with new VSI.
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
5884 ice_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)
5889 u16 vsi_list_id = 0;
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)
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))
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
5908 struct ice_fltr_info tmp_fltr;
5909 u16 vsi_handle_arr[2];
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)
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,
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;
5931 /* Update the previous switch rule of "forward to VSI" to
5934 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr);
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,
5944 u16 vsi_handle = new_fltr->sw_act.vsi_handle;
5946 if (!m_entry->vsi_list_info)
5949 /* A rule already exists with the new VSI being added */
5950 if (test_bit(vsi_handle, m_entry->vsi_list_info->vsi_map))
5953 /* Update the previously created VSI list set with
5954 * the new VSI ID passed in
5956 vsi_list_id = cur_fltr->sw_act.fwd_id.vsi_list_id;
5958 status = ice_update_vsi_list_rule(hw, &vsi_handle, 1,
5960 ice_aqc_opc_update_sw_rules,
5962 /* update VSI list mapping info with new VSI ID */
5964 set_bit(vsi_handle, m_entry->vsi_list_info->vsi_map);
5967 m_entry->vsi_count++;
5971 void ice_rule_add_tunnel_metadata(struct ice_adv_lkup_elem *lkup)
5973 lkup->type = ICE_HW_METADATA;
5974 lkup->m_u.metadata.flags[ICE_PKT_FLAGS_MDID21] |=
5975 cpu_to_be16(ICE_PKT_TUNNEL_MASK);
5978 void ice_rule_add_direction_metadata(struct ice_adv_lkup_elem *lkup)
5980 lkup->type = ICE_HW_METADATA;
5981 lkup->m_u.metadata.flags[ICE_PKT_FLAGS_MDID20] |=
5982 cpu_to_be16(ICE_PKT_FROM_NETWORK);
5985 void ice_rule_add_vlan_metadata(struct ice_adv_lkup_elem *lkup)
5987 lkup->type = ICE_HW_METADATA;
5988 lkup->m_u.metadata.flags[ICE_PKT_FLAGS_MDID20] |=
5989 cpu_to_be16(ICE_PKT_VLAN_MASK);
5992 void ice_rule_add_src_vsi_metadata(struct ice_adv_lkup_elem *lkup)
5994 lkup->type = ICE_HW_METADATA;
5995 lkup->m_u.metadata.source_vsi = cpu_to_be16(ICE_MDID_SOURCE_VSI_MASK);
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.
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.
6017 ice_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)
6021 struct ice_adv_fltr_mgmt_list_entry *m_entry, *adv_fltr = NULL;
6022 struct ice_sw_rule_lkup_rx_tx *s_rule = NULL;
6023 const struct ice_dummy_pkt_profile *profile;
6024 u16 rid = 0, i, rule_buf_sz, vsi_handle;
6025 struct list_head *rule_head;
6026 struct ice_switch_info *sw;
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);
6041 /* get # of words we need to match */
6043 for (i = 0; i < lkups_cnt; i++) {
6046 for (j = 0; j < ARRAY_SIZE(lkups->m_raw); j++)
6047 if (lkups[i].m_raw[j])
6054 if (word_cnt > ICE_MAX_CHAIN_WORDS)
6057 /* locate a dummy packet */
6058 profile = ice_find_dummy_packet(lkups, lkups_cnt, rinfo->tun_type);
6059 if (IS_ERR(profile))
6060 return PTR_ERR(profile);
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 ||
6065 rinfo->sw_act.fltr_act == ICE_DROP_PACKET ||
6066 rinfo->sw_act.fltr_act == ICE_MIRROR_PACKET ||
6067 rinfo->sw_act.fltr_act == ICE_NOP)) {
6069 goto free_pkt_profile;
6072 vsi_handle = rinfo->sw_act.vsi_handle;
6073 if (!ice_is_vsi_valid(hw, vsi_handle)) {
6075 goto free_pkt_profile;
6078 if (rinfo->sw_act.fltr_act == ICE_FWD_TO_VSI ||
6079 rinfo->sw_act.fltr_act == ICE_MIRROR_PACKET ||
6080 rinfo->sw_act.fltr_act == ICE_NOP) {
6081 rinfo->sw_act.fwd_id.hw_vsi_id =
6082 ice_get_hw_vsi_num(hw, vsi_handle);
6086 rinfo->sw_act.src = ice_get_hw_vsi_num(hw, rinfo->src_vsi);
6088 rinfo->sw_act.src = ice_get_hw_vsi_num(hw, vsi_handle);
6090 status = ice_add_adv_recipe(hw, lkups, lkups_cnt, rinfo, &rid);
6092 goto free_pkt_profile;
6093 m_entry = ice_find_adv_rule_entry(hw, lkups, lkups_cnt, rid, rinfo);
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
6103 status = ice_adv_add_update_vsi_list(hw, m_entry,
6104 &m_entry->rule_info,
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;
6111 goto free_pkt_profile;
6113 rule_buf_sz = ICE_SW_RULE_RX_TX_HDR_SIZE(s_rule, profile->pkt_len);
6114 s_rule = kzalloc(rule_buf_sz, GFP_KERNEL);
6117 goto free_pkt_profile;
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;
6125 act |= rinfo->flags_info.act & (ICE_SINGLE_ACT_LAN_ENABLE |
6126 ICE_SINGLE_ACT_LB_ENABLE);
6130 switch (rinfo->sw_act.fltr_act) {
6131 case ICE_FWD_TO_VSI:
6132 act |= FIELD_PREP(ICE_SINGLE_ACT_VSI_ID_M,
6133 rinfo->sw_act.fwd_id.hw_vsi_id);
6134 act |= ICE_SINGLE_ACT_VSI_FORWARDING | ICE_SINGLE_ACT_VALID_BIT;
6137 act |= ICE_SINGLE_ACT_TO_Q;
6138 act |= FIELD_PREP(ICE_SINGLE_ACT_Q_INDEX_M,
6139 rinfo->sw_act.fwd_id.q_id);
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;
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);
6149 case ICE_DROP_PACKET:
6150 act |= ICE_SINGLE_ACT_VSI_FORWARDING | ICE_SINGLE_ACT_DROP |
6151 ICE_SINGLE_ACT_VALID_BIT;
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);
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;
6165 goto err_ice_add_adv_rule;
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)
6173 * If matching on direction metadata is chose rule direction is
6174 * extracted from type value set here.
6176 if (rinfo->sw_act.flag & ICE_FLTR_TX) {
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);
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);
6184 s_rule->recipe_id = cpu_to_le16(rid);
6185 s_rule->act = cpu_to_le32(act);
6187 status = ice_fill_adv_dummy_packet(lkups, lkups_cnt, s_rule, profile);
6189 goto err_ice_add_adv_rule;
6191 status = ice_fill_adv_packet_tun(hw, rinfo->tun_type, s_rule->hdr_data,
6194 goto err_ice_add_adv_rule;
6196 status = ice_fill_adv_packet_vlan(hw, rinfo->vlan_type,
6200 goto err_ice_add_adv_rule;
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,
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),
6212 goto err_ice_add_adv_rule;
6215 adv_fltr->lkups = devm_kmemdup(ice_hw_to_dev(hw), lkups,
6216 lkups_cnt * sizeof(*lkups), GFP_KERNEL);
6217 if (!adv_fltr->lkups) {
6219 goto err_ice_add_adv_rule;
6222 adv_fltr->lkups_cnt = lkups_cnt;
6223 adv_fltr->rule_info = *rinfo;
6224 adv_fltr->rule_info.fltr_rule_id = le16_to_cpu(s_rule->index);
6225 sw = hw->switch_info;
6226 sw->recp_list[rid].adv_rule = true;
6227 rule_head = &sw->recp_list[rid].filt_rules;
6229 if (rinfo->sw_act.fltr_act == ICE_FWD_TO_VSI)
6230 adv_fltr->vsi_count = 1;
6232 /* Add rule entry to book keeping list */
6233 list_add(&adv_fltr->list_entry, rule_head);
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;
6239 err_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);
6248 if (profile->match & ICE_PKT_KMALLOC) {
6249 kfree(profile->offsets);
6250 kfree(profile->pkt);
6258 * ice_replay_vsi_fltr - Replay filters for requested VSI
6259 * @hw: pointer to the hardware structure
6260 * @vsi_handle: driver VSI handle
6261 * @recp_id: Recipe ID for which rules need to be replayed
6262 * @list_head: list for which filters need to be replayed
6264 * Replays the filter of recipe recp_id for a VSI represented via vsi_handle.
6265 * It is required to pass valid VSI handle.
6268 ice_replay_vsi_fltr(struct ice_hw *hw, u16 vsi_handle, u8 recp_id,
6269 struct list_head *list_head)
6271 struct ice_fltr_mgmt_list_entry *itr;
6275 if (list_empty(list_head))
6277 hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
6279 list_for_each_entry(itr, list_head, list_entry) {
6280 struct ice_fltr_list_entry f_entry;
6282 f_entry.fltr_info = itr->fltr_info;
6283 if (itr->vsi_count < 2 && recp_id != ICE_SW_LKUP_VLAN &&
6284 itr->fltr_info.vsi_handle == vsi_handle) {
6285 /* update the src in case it is VSI num */
6286 if (f_entry.fltr_info.src_id == ICE_SRC_ID_VSI)
6287 f_entry.fltr_info.src = hw_vsi_id;
6288 status = ice_add_rule_internal(hw, recp_id, &f_entry);
6293 if (!itr->vsi_list_info ||
6294 !test_bit(vsi_handle, itr->vsi_list_info->vsi_map))
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;
6300 /* update the src in case it is VSI num */
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);
6306 status = ice_add_rule_internal(hw, recp_id, &f_entry);
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
6322 ice_adv_rem_update_vsi_list(struct ice_hw *hw, u16 vsi_handle,
6323 struct ice_adv_fltr_mgmt_list_entry *fm_list)
6325 struct ice_vsi_list_map_info *vsi_list_info;
6326 enum ice_sw_lkup_type lkup_type;
6330 if (fm_list->rule_info.sw_act.fltr_act != ICE_FWD_TO_VSI_LIST ||
6331 fm_list->vsi_count == 0)
6334 /* A rule with the VSI being removed does not exist */
6335 if (!test_bit(vsi_handle, fm_list->vsi_list_info->vsi_map))
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,
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;
6353 rem_vsi_handle = find_first_bit(vsi_list_info->vsi_map,
6355 if (!ice_is_vsi_valid(hw, rem_vsi_handle))
6358 /* Make sure VSI list is empty before removing it below */
6359 status = ice_update_vsi_list_rule(hw, &rem_vsi_handle, 1,
6361 ice_aqc_opc_update_sw_rules,
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;
6377 /* Update the previous switch rule of "MAC forward to VSI" to
6378 * "MAC fwd to VSI list"
6380 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr);
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);
6386 fm_list->vsi_list_info->ref_cnt--;
6388 /* Remove the VSI list since it is no longer used */
6389 status = ice_remove_vsi_list_rule(hw, vsi_list_id, lkup_type);
6391 ice_debug(hw, ICE_DBG_SW, "Failed to remove VSI list %d, error %d\n",
6392 vsi_list_id, status);
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;
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
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.
6421 ice_rem_adv_rule(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups,
6422 u16 lkups_cnt, struct ice_adv_rule_info *rinfo)
6424 struct ice_adv_fltr_mgmt_list_entry *list_elem;
6425 struct ice_prot_lkup_ext lkup_exts;
6426 bool remove_rule = false;
6427 struct mutex *rule_lock; /* Lock to protect filter rule list */
6428 u16 i, rid, vsi_handle;
6431 memset(&lkup_exts, 0, sizeof(lkup_exts));
6432 for (i = 0; i < lkups_cnt; i++) {
6435 if (lkups[i].type >= ICE_PROTOCOL_LAST)
6438 count = ice_fill_valid_words(&lkups[i], &lkup_exts);
6443 rid = ice_find_recp(hw, &lkup_exts, rinfo);
6444 /* If did not find a recipe that match the existing criteria */
6445 if (rid == ICE_MAX_NUM_RECIPES)
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 */
6453 mutex_lock(rule_lock);
6454 if (list_elem->rule_info.sw_act.fltr_act != ICE_FWD_TO_VSI_LIST) {
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);
6461 vsi_handle = rinfo->sw_act.vsi_handle;
6462 status = ice_adv_rem_update_vsi_list(hw, vsi_handle, list_elem);
6464 mutex_unlock(rule_lock);
6467 if (list_elem->vsi_count == 0)
6470 mutex_unlock(rule_lock);
6472 struct ice_sw_rule_lkup_rx_tx *s_rule;
6475 rule_buf_sz = ICE_SW_RULE_RX_TX_NO_HDR_SIZE(s_rule);
6476 s_rule = kzalloc(rule_buf_sz, GFP_KERNEL);
6480 s_rule->index = cpu_to_le16(list_elem->rule_info.fltr_rule_id);
6481 s_rule->hdr_len = 0;
6482 status = ice_aq_sw_rules(hw, (struct ice_aqc_sw_rules *)s_rule,
6484 ice_aqc_opc_remove_sw_rules, NULL);
6485 if (!status || status == -ENOENT) {
6486 struct ice_switch_info *sw = hw->switch_info;
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;
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
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
6511 ice_rem_adv_rule_by_id(struct ice_hw *hw,
6512 struct ice_rule_query_data *remove_entry)
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;
6519 sw = hw->switch_info;
6520 if (!sw->recp_list[remove_entry->rid].recp_created)
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);
6532 /* either list is empty or unable to find rule */
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
6542 * Replay the advanced rule for the given VSI.
6545 ice_replay_vsi_adv_rule(struct ice_hw *hw, u16 vsi_handle,
6546 struct list_head *list_head)
6548 struct ice_rule_query_data added_entry = { 0 };
6549 struct ice_adv_fltr_mgmt_list_entry *adv_fltr;
6552 if (list_empty(list_head))
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;
6558 if (vsi_handle != rinfo->sw_act.vsi_handle)
6560 status = ice_add_adv_rule(hw, adv_fltr->lkups, lk_cnt, rinfo,
6569 * ice_replay_vsi_all_fltr - replay all filters stored in bookkeeping lists
6570 * @hw: pointer to the hardware structure
6571 * @vsi_handle: driver VSI handle
6573 * Replays filters for requested VSI via vsi_handle.
6575 int ice_replay_vsi_all_fltr(struct ice_hw *hw, u16 vsi_handle)
6577 struct ice_switch_info *sw = hw->switch_info;
6581 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
6582 struct list_head *head;
6584 head = &sw->recp_list[i].filt_replay_rules;
6585 if (!sw->recp_list[i].adv_rule)
6586 status = ice_replay_vsi_fltr(hw, vsi_handle, i, head);
6588 status = ice_replay_vsi_adv_rule(hw, vsi_handle, head);
6596 * ice_rm_all_sw_replay_rule_info - deletes filter replay rules
6597 * @hw: pointer to the HW struct
6599 * Deletes the filter replay rules.
6601 void ice_rm_all_sw_replay_rule_info(struct ice_hw *hw)
6603 struct ice_switch_info *sw = hw->switch_info;
6609 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
6610 if (!list_empty(&sw->recp_list[i].filt_replay_rules)) {
6611 struct list_head *l_head;
6613 l_head = &sw->recp_list[i].filt_replay_rules;
6614 if (!sw->recp_list[i].adv_rule)
6615 ice_rem_sw_rule_info(hw, l_head);
6617 ice_rem_adv_rule_info(hw, l_head);